[Coding style change][lld] Rename variables for non-ELF ports
This patch does the same thing as r365595 to other subdirectories,
which completes the naming style change for the entire lld directory.
With this, the naming style conversion is complete for lld.
Differential Revision: https://reviews.llvm.org/D64473
llvm-svn: 365730
diff --git a/lld/COFF/Chunks.cpp b/lld/COFF/Chunks.cpp
index 4bad91d..374751a 100644
--- a/lld/COFF/Chunks.cpp
+++ b/lld/COFF/Chunks.cpp
@@ -29,27 +29,27 @@
namespace lld {
namespace coff {
-SectionChunk::SectionChunk(ObjFile *F, const coff_section *H)
- : Chunk(SectionKind), File(F), Header(H), Repl(this) {
+SectionChunk::SectionChunk(ObjFile *f, const coff_section *h)
+ : Chunk(SectionKind), file(f), header(h), repl(this) {
// Initialize Relocs.
- setRelocs(File->getCOFFObj()->getRelocations(Header));
+ setRelocs(file->getCOFFObj()->getRelocations(header));
// Initialize SectionName.
- StringRef SectionName;
- if (Expected<StringRef> E = File->getCOFFObj()->getSectionName(Header))
- SectionName = *E;
- SectionNameData = SectionName.data();
- SectionNameSize = SectionName.size();
+ StringRef sectionName;
+ if (Expected<StringRef> e = file->getCOFFObj()->getSectionName(header))
+ sectionName = *e;
+ sectionNameData = sectionName.data();
+ sectionNameSize = sectionName.size();
- setAlignment(Header->getAlignment());
+ setAlignment(header->getAlignment());
- HasData = !(Header->Characteristics & IMAGE_SCN_CNT_UNINITIALIZED_DATA);
+ hasData = !(header->Characteristics & IMAGE_SCN_CNT_UNINITIALIZED_DATA);
// If linker GC is disabled, every chunk starts out alive. If linker GC is
// enabled, treat non-comdat sections as roots. Generally optimized object
// files will be built with -ffunction-sections or /Gy, so most things worth
// stripping will be in a comdat.
- Live = !Config->DoGC || !isCOMDAT();
+ live = !config->doGC || !isCOMDAT();
}
// SectionChunk is one of the most frequently allocated classes, so it is
@@ -57,173 +57,173 @@
// below is the size of this class on x64 platforms.
static_assert(sizeof(SectionChunk) <= 88, "SectionChunk grew unexpectedly");
-static void add16(uint8_t *P, int16_t V) { write16le(P, read16le(P) + V); }
-static void add32(uint8_t *P, int32_t V) { write32le(P, read32le(P) + V); }
-static void add64(uint8_t *P, int64_t V) { write64le(P, read64le(P) + V); }
-static void or16(uint8_t *P, uint16_t V) { write16le(P, read16le(P) | V); }
-static void or32(uint8_t *P, uint32_t V) { write32le(P, read32le(P) | V); }
+static void add16(uint8_t *p, int16_t v) { write16le(p, read16le(p) + v); }
+static void add32(uint8_t *p, int32_t v) { write32le(p, read32le(p) + v); }
+static void add64(uint8_t *p, int64_t v) { write64le(p, read64le(p) + v); }
+static void or16(uint8_t *p, uint16_t v) { write16le(p, read16le(p) | v); }
+static void or32(uint8_t *p, uint32_t v) { write32le(p, read32le(p) | v); }
// Verify that given sections are appropriate targets for SECREL
// relocations. This check is relaxed because unfortunately debug
// sections have section-relative relocations against absolute symbols.
-static bool checkSecRel(const SectionChunk *Sec, OutputSection *OS) {
- if (OS)
+static bool checkSecRel(const SectionChunk *sec, OutputSection *os) {
+ if (os)
return true;
- if (Sec->isCodeView())
+ if (sec->isCodeView())
return false;
error("SECREL relocation cannot be applied to absolute symbols");
return false;
}
-static void applySecRel(const SectionChunk *Sec, uint8_t *Off,
- OutputSection *OS, uint64_t S) {
- if (!checkSecRel(Sec, OS))
+static void applySecRel(const SectionChunk *sec, uint8_t *off,
+ OutputSection *os, uint64_t s) {
+ if (!checkSecRel(sec, os))
return;
- uint64_t SecRel = S - OS->getRVA();
- if (SecRel > UINT32_MAX) {
- error("overflow in SECREL relocation in section: " + Sec->getSectionName());
+ uint64_t secRel = s - os->getRVA();
+ if (secRel > UINT32_MAX) {
+ error("overflow in SECREL relocation in section: " + sec->getSectionName());
return;
}
- add32(Off, SecRel);
+ add32(off, secRel);
}
-static void applySecIdx(uint8_t *Off, OutputSection *OS) {
+static void applySecIdx(uint8_t *off, OutputSection *os) {
// Absolute symbol doesn't have section index, but section index relocation
// against absolute symbol should be resolved to one plus the last output
// section index. This is required for compatibility with MSVC.
- if (OS)
- add16(Off, OS->SectionIndex);
+ if (os)
+ add16(off, os->sectionIndex);
else
- add16(Off, DefinedAbsolute::NumOutputSections + 1);
+ add16(off, DefinedAbsolute::numOutputSections + 1);
}
-void SectionChunk::applyRelX64(uint8_t *Off, uint16_t Type, OutputSection *OS,
- uint64_t S, uint64_t P) const {
- switch (Type) {
- case IMAGE_REL_AMD64_ADDR32: add32(Off, S + Config->ImageBase); break;
- case IMAGE_REL_AMD64_ADDR64: add64(Off, S + Config->ImageBase); break;
- case IMAGE_REL_AMD64_ADDR32NB: add32(Off, S); break;
- case IMAGE_REL_AMD64_REL32: add32(Off, S - P - 4); break;
- case IMAGE_REL_AMD64_REL32_1: add32(Off, S - P - 5); break;
- case IMAGE_REL_AMD64_REL32_2: add32(Off, S - P - 6); break;
- case IMAGE_REL_AMD64_REL32_3: add32(Off, S - P - 7); break;
- case IMAGE_REL_AMD64_REL32_4: add32(Off, S - P - 8); break;
- case IMAGE_REL_AMD64_REL32_5: add32(Off, S - P - 9); break;
- case IMAGE_REL_AMD64_SECTION: applySecIdx(Off, OS); break;
- case IMAGE_REL_AMD64_SECREL: applySecRel(this, Off, OS, S); break;
+void SectionChunk::applyRelX64(uint8_t *off, uint16_t type, OutputSection *os,
+ uint64_t s, uint64_t p) const {
+ switch (type) {
+ case IMAGE_REL_AMD64_ADDR32: add32(off, s + config->imageBase); break;
+ case IMAGE_REL_AMD64_ADDR64: add64(off, s + config->imageBase); break;
+ case IMAGE_REL_AMD64_ADDR32NB: add32(off, s); break;
+ case IMAGE_REL_AMD64_REL32: add32(off, s - p - 4); break;
+ case IMAGE_REL_AMD64_REL32_1: add32(off, s - p - 5); break;
+ case IMAGE_REL_AMD64_REL32_2: add32(off, s - p - 6); break;
+ case IMAGE_REL_AMD64_REL32_3: add32(off, s - p - 7); break;
+ case IMAGE_REL_AMD64_REL32_4: add32(off, s - p - 8); break;
+ case IMAGE_REL_AMD64_REL32_5: add32(off, s - p - 9); break;
+ case IMAGE_REL_AMD64_SECTION: applySecIdx(off, os); break;
+ case IMAGE_REL_AMD64_SECREL: applySecRel(this, off, os, s); break;
default:
- error("unsupported relocation type 0x" + Twine::utohexstr(Type) + " in " +
- toString(File));
+ error("unsupported relocation type 0x" + Twine::utohexstr(type) + " in " +
+ toString(file));
}
}
-void SectionChunk::applyRelX86(uint8_t *Off, uint16_t Type, OutputSection *OS,
- uint64_t S, uint64_t P) const {
- switch (Type) {
+void SectionChunk::applyRelX86(uint8_t *off, uint16_t type, OutputSection *os,
+ uint64_t s, uint64_t p) const {
+ switch (type) {
case IMAGE_REL_I386_ABSOLUTE: break;
- case IMAGE_REL_I386_DIR32: add32(Off, S + Config->ImageBase); break;
- case IMAGE_REL_I386_DIR32NB: add32(Off, S); break;
- case IMAGE_REL_I386_REL32: add32(Off, S - P - 4); break;
- case IMAGE_REL_I386_SECTION: applySecIdx(Off, OS); break;
- case IMAGE_REL_I386_SECREL: applySecRel(this, Off, OS, S); break;
+ case IMAGE_REL_I386_DIR32: add32(off, s + config->imageBase); break;
+ case IMAGE_REL_I386_DIR32NB: add32(off, s); break;
+ case IMAGE_REL_I386_REL32: add32(off, s - p - 4); break;
+ case IMAGE_REL_I386_SECTION: applySecIdx(off, os); break;
+ case IMAGE_REL_I386_SECREL: applySecRel(this, off, os, s); break;
default:
- error("unsupported relocation type 0x" + Twine::utohexstr(Type) + " in " +
- toString(File));
+ error("unsupported relocation type 0x" + Twine::utohexstr(type) + " in " +
+ toString(file));
}
}
-static void applyMOV(uint8_t *Off, uint16_t V) {
- write16le(Off, (read16le(Off) & 0xfbf0) | ((V & 0x800) >> 1) | ((V >> 12) & 0xf));
- write16le(Off + 2, (read16le(Off + 2) & 0x8f00) | ((V & 0x700) << 4) | (V & 0xff));
+static void applyMOV(uint8_t *off, uint16_t v) {
+ write16le(off, (read16le(off) & 0xfbf0) | ((v & 0x800) >> 1) | ((v >> 12) & 0xf));
+ write16le(off + 2, (read16le(off + 2) & 0x8f00) | ((v & 0x700) << 4) | (v & 0xff));
}
-static uint16_t readMOV(uint8_t *Off, bool MOVT) {
- uint16_t Op1 = read16le(Off);
- if ((Op1 & 0xfbf0) != (MOVT ? 0xf2c0 : 0xf240))
- error("unexpected instruction in " + Twine(MOVT ? "MOVT" : "MOVW") +
+static uint16_t readMOV(uint8_t *off, bool movt) {
+ uint16_t op1 = read16le(off);
+ if ((op1 & 0xfbf0) != (movt ? 0xf2c0 : 0xf240))
+ error("unexpected instruction in " + Twine(movt ? "MOVT" : "MOVW") +
" instruction in MOV32T relocation");
- uint16_t Op2 = read16le(Off + 2);
- if ((Op2 & 0x8000) != 0)
- error("unexpected instruction in " + Twine(MOVT ? "MOVT" : "MOVW") +
+ uint16_t op2 = read16le(off + 2);
+ if ((op2 & 0x8000) != 0)
+ error("unexpected instruction in " + Twine(movt ? "MOVT" : "MOVW") +
" instruction in MOV32T relocation");
- return (Op2 & 0x00ff) | ((Op2 >> 4) & 0x0700) | ((Op1 << 1) & 0x0800) |
- ((Op1 & 0x000f) << 12);
+ return (op2 & 0x00ff) | ((op2 >> 4) & 0x0700) | ((op1 << 1) & 0x0800) |
+ ((op1 & 0x000f) << 12);
}
-void applyMOV32T(uint8_t *Off, uint32_t V) {
- uint16_t ImmW = readMOV(Off, false); // read MOVW operand
- uint16_t ImmT = readMOV(Off + 4, true); // read MOVT operand
- uint32_t Imm = ImmW | (ImmT << 16);
- V += Imm; // add the immediate offset
- applyMOV(Off, V); // set MOVW operand
- applyMOV(Off + 4, V >> 16); // set MOVT operand
+void applyMOV32T(uint8_t *off, uint32_t v) {
+ uint16_t immW = readMOV(off, false); // read MOVW operand
+ uint16_t immT = readMOV(off + 4, true); // read MOVT operand
+ uint32_t imm = immW | (immT << 16);
+ v += imm; // add the immediate offset
+ applyMOV(off, v); // set MOVW operand
+ applyMOV(off + 4, v >> 16); // set MOVT operand
}
-static void applyBranch20T(uint8_t *Off, int32_t V) {
- if (!isInt<21>(V))
+static void applyBranch20T(uint8_t *off, int32_t v) {
+ if (!isInt<21>(v))
error("relocation out of range");
- uint32_t S = V < 0 ? 1 : 0;
- uint32_t J1 = (V >> 19) & 1;
- uint32_t J2 = (V >> 18) & 1;
- or16(Off, (S << 10) | ((V >> 12) & 0x3f));
- or16(Off + 2, (J1 << 13) | (J2 << 11) | ((V >> 1) & 0x7ff));
+ uint32_t s = v < 0 ? 1 : 0;
+ uint32_t j1 = (v >> 19) & 1;
+ uint32_t j2 = (v >> 18) & 1;
+ or16(off, (s << 10) | ((v >> 12) & 0x3f));
+ or16(off + 2, (j1 << 13) | (j2 << 11) | ((v >> 1) & 0x7ff));
}
-void applyBranch24T(uint8_t *Off, int32_t V) {
- if (!isInt<25>(V))
+void applyBranch24T(uint8_t *off, int32_t v) {
+ if (!isInt<25>(v))
error("relocation out of range");
- uint32_t S = V < 0 ? 1 : 0;
- uint32_t J1 = ((~V >> 23) & 1) ^ S;
- uint32_t J2 = ((~V >> 22) & 1) ^ S;
- or16(Off, (S << 10) | ((V >> 12) & 0x3ff));
+ uint32_t s = v < 0 ? 1 : 0;
+ uint32_t j1 = ((~v >> 23) & 1) ^ s;
+ uint32_t j2 = ((~v >> 22) & 1) ^ s;
+ or16(off, (s << 10) | ((v >> 12) & 0x3ff));
// Clear out the J1 and J2 bits which may be set.
- write16le(Off + 2, (read16le(Off + 2) & 0xd000) | (J1 << 13) | (J2 << 11) | ((V >> 1) & 0x7ff));
+ write16le(off + 2, (read16le(off + 2) & 0xd000) | (j1 << 13) | (j2 << 11) | ((v >> 1) & 0x7ff));
}
-void SectionChunk::applyRelARM(uint8_t *Off, uint16_t Type, OutputSection *OS,
- uint64_t S, uint64_t P) const {
+void SectionChunk::applyRelARM(uint8_t *off, uint16_t type, OutputSection *os,
+ uint64_t s, uint64_t p) const {
// Pointer to thumb code must have the LSB set.
- uint64_t SX = S;
- if (OS && (OS->Header.Characteristics & IMAGE_SCN_MEM_EXECUTE))
- SX |= 1;
- switch (Type) {
- case IMAGE_REL_ARM_ADDR32: add32(Off, SX + Config->ImageBase); break;
- case IMAGE_REL_ARM_ADDR32NB: add32(Off, SX); break;
- case IMAGE_REL_ARM_MOV32T: applyMOV32T(Off, SX + Config->ImageBase); break;
- case IMAGE_REL_ARM_BRANCH20T: applyBranch20T(Off, SX - P - 4); break;
- case IMAGE_REL_ARM_BRANCH24T: applyBranch24T(Off, SX - P - 4); break;
- case IMAGE_REL_ARM_BLX23T: applyBranch24T(Off, SX - P - 4); break;
- case IMAGE_REL_ARM_SECTION: applySecIdx(Off, OS); break;
- case IMAGE_REL_ARM_SECREL: applySecRel(this, Off, OS, S); break;
- case IMAGE_REL_ARM_REL32: add32(Off, SX - P - 4); break;
+ uint64_t sx = s;
+ if (os && (os->header.Characteristics & IMAGE_SCN_MEM_EXECUTE))
+ sx |= 1;
+ switch (type) {
+ case IMAGE_REL_ARM_ADDR32: add32(off, sx + config->imageBase); break;
+ case IMAGE_REL_ARM_ADDR32NB: add32(off, sx); break;
+ case IMAGE_REL_ARM_MOV32T: applyMOV32T(off, sx + config->imageBase); break;
+ case IMAGE_REL_ARM_BRANCH20T: applyBranch20T(off, sx - p - 4); break;
+ case IMAGE_REL_ARM_BRANCH24T: applyBranch24T(off, sx - p - 4); break;
+ case IMAGE_REL_ARM_BLX23T: applyBranch24T(off, sx - p - 4); break;
+ case IMAGE_REL_ARM_SECTION: applySecIdx(off, os); break;
+ case IMAGE_REL_ARM_SECREL: applySecRel(this, off, os, s); break;
+ case IMAGE_REL_ARM_REL32: add32(off, sx - p - 4); break;
default:
- error("unsupported relocation type 0x" + Twine::utohexstr(Type) + " in " +
- toString(File));
+ error("unsupported relocation type 0x" + Twine::utohexstr(type) + " in " +
+ toString(file));
}
}
// Interpret the existing immediate value as a byte offset to the
// target symbol, then update the instruction with the immediate as
// the page offset from the current instruction to the target.
-void applyArm64Addr(uint8_t *Off, uint64_t S, uint64_t P, int Shift) {
- uint32_t Orig = read32le(Off);
- uint64_t Imm = ((Orig >> 29) & 0x3) | ((Orig >> 3) & 0x1FFFFC);
- S += Imm;
- Imm = (S >> Shift) - (P >> Shift);
- uint32_t ImmLo = (Imm & 0x3) << 29;
- uint32_t ImmHi = (Imm & 0x1FFFFC) << 3;
- uint64_t Mask = (0x3 << 29) | (0x1FFFFC << 3);
- write32le(Off, (Orig & ~Mask) | ImmLo | ImmHi);
+void applyArm64Addr(uint8_t *off, uint64_t s, uint64_t p, int shift) {
+ uint32_t orig = read32le(off);
+ uint64_t imm = ((orig >> 29) & 0x3) | ((orig >> 3) & 0x1FFFFC);
+ s += imm;
+ imm = (s >> shift) - (p >> shift);
+ uint32_t immLo = (imm & 0x3) << 29;
+ uint32_t immHi = (imm & 0x1FFFFC) << 3;
+ uint64_t mask = (0x3 << 29) | (0x1FFFFC << 3);
+ write32le(off, (orig & ~mask) | immLo | immHi);
}
// Update the immediate field in a AARCH64 ldr, str, and add instruction.
// Optionally limit the range of the written immediate by one or more bits
// (RangeLimit).
-void applyArm64Imm(uint8_t *Off, uint64_t Imm, uint32_t RangeLimit) {
- uint32_t Orig = read32le(Off);
- Imm += (Orig >> 10) & 0xFFF;
- Orig &= ~(0xFFF << 10);
- write32le(Off, Orig | ((Imm & (0xFFF >> RangeLimit)) << 10));
+void applyArm64Imm(uint8_t *off, uint64_t imm, uint32_t rangeLimit) {
+ uint32_t orig = read32le(off);
+ imm += (orig >> 10) & 0xFFF;
+ orig &= ~(0xFFF << 10);
+ write32le(off, orig | ((imm & (0xFFF >> rangeLimit)) << 10));
}
// Add the 12 bit page offset to the existing immediate.
@@ -234,178 +234,178 @@
// Even if larger loads/stores have a larger range, limit the
// effective offset to 12 bit, since it is intended to be a
// page offset.
-static void applyArm64Ldr(uint8_t *Off, uint64_t Imm) {
- uint32_t Orig = read32le(Off);
- uint32_t Size = Orig >> 30;
+static void applyArm64Ldr(uint8_t *off, uint64_t imm) {
+ uint32_t orig = read32le(off);
+ uint32_t size = orig >> 30;
// 0x04000000 indicates SIMD/FP registers
// 0x00800000 indicates 128 bit
- if ((Orig & 0x4800000) == 0x4800000)
- Size += 4;
- if ((Imm & ((1 << Size) - 1)) != 0)
+ if ((orig & 0x4800000) == 0x4800000)
+ size += 4;
+ if ((imm & ((1 << size) - 1)) != 0)
error("misaligned ldr/str offset");
- applyArm64Imm(Off, Imm >> Size, Size);
+ applyArm64Imm(off, imm >> size, size);
}
-static void applySecRelLow12A(const SectionChunk *Sec, uint8_t *Off,
- OutputSection *OS, uint64_t S) {
- if (checkSecRel(Sec, OS))
- applyArm64Imm(Off, (S - OS->getRVA()) & 0xfff, 0);
+static void applySecRelLow12A(const SectionChunk *sec, uint8_t *off,
+ OutputSection *os, uint64_t s) {
+ if (checkSecRel(sec, os))
+ applyArm64Imm(off, (s - os->getRVA()) & 0xfff, 0);
}
-static void applySecRelHigh12A(const SectionChunk *Sec, uint8_t *Off,
- OutputSection *OS, uint64_t S) {
- if (!checkSecRel(Sec, OS))
+static void applySecRelHigh12A(const SectionChunk *sec, uint8_t *off,
+ OutputSection *os, uint64_t s) {
+ if (!checkSecRel(sec, os))
return;
- uint64_t SecRel = (S - OS->getRVA()) >> 12;
- if (0xfff < SecRel) {
+ uint64_t secRel = (s - os->getRVA()) >> 12;
+ if (0xfff < secRel) {
error("overflow in SECREL_HIGH12A relocation in section: " +
- Sec->getSectionName());
+ sec->getSectionName());
return;
}
- applyArm64Imm(Off, SecRel & 0xfff, 0);
+ applyArm64Imm(off, secRel & 0xfff, 0);
}
-static void applySecRelLdr(const SectionChunk *Sec, uint8_t *Off,
- OutputSection *OS, uint64_t S) {
- if (checkSecRel(Sec, OS))
- applyArm64Ldr(Off, (S - OS->getRVA()) & 0xfff);
+static void applySecRelLdr(const SectionChunk *sec, uint8_t *off,
+ OutputSection *os, uint64_t s) {
+ if (checkSecRel(sec, os))
+ applyArm64Ldr(off, (s - os->getRVA()) & 0xfff);
}
-void applyArm64Branch26(uint8_t *Off, int64_t V) {
- if (!isInt<28>(V))
+void applyArm64Branch26(uint8_t *off, int64_t v) {
+ if (!isInt<28>(v))
error("relocation out of range");
- or32(Off, (V & 0x0FFFFFFC) >> 2);
+ or32(off, (v & 0x0FFFFFFC) >> 2);
}
-static void applyArm64Branch19(uint8_t *Off, int64_t V) {
- if (!isInt<21>(V))
+static void applyArm64Branch19(uint8_t *off, int64_t v) {
+ if (!isInt<21>(v))
error("relocation out of range");
- or32(Off, (V & 0x001FFFFC) << 3);
+ or32(off, (v & 0x001FFFFC) << 3);
}
-static void applyArm64Branch14(uint8_t *Off, int64_t V) {
- if (!isInt<16>(V))
+static void applyArm64Branch14(uint8_t *off, int64_t v) {
+ if (!isInt<16>(v))
error("relocation out of range");
- or32(Off, (V & 0x0000FFFC) << 3);
+ or32(off, (v & 0x0000FFFC) << 3);
}
-void SectionChunk::applyRelARM64(uint8_t *Off, uint16_t Type, OutputSection *OS,
- uint64_t S, uint64_t P) const {
- switch (Type) {
- case IMAGE_REL_ARM64_PAGEBASE_REL21: applyArm64Addr(Off, S, P, 12); break;
- case IMAGE_REL_ARM64_REL21: applyArm64Addr(Off, S, P, 0); break;
- case IMAGE_REL_ARM64_PAGEOFFSET_12A: applyArm64Imm(Off, S & 0xfff, 0); break;
- case IMAGE_REL_ARM64_PAGEOFFSET_12L: applyArm64Ldr(Off, S & 0xfff); break;
- case IMAGE_REL_ARM64_BRANCH26: applyArm64Branch26(Off, S - P); break;
- case IMAGE_REL_ARM64_BRANCH19: applyArm64Branch19(Off, S - P); break;
- case IMAGE_REL_ARM64_BRANCH14: applyArm64Branch14(Off, S - P); break;
- case IMAGE_REL_ARM64_ADDR32: add32(Off, S + Config->ImageBase); break;
- case IMAGE_REL_ARM64_ADDR32NB: add32(Off, S); break;
- case IMAGE_REL_ARM64_ADDR64: add64(Off, S + Config->ImageBase); break;
- case IMAGE_REL_ARM64_SECREL: applySecRel(this, Off, OS, S); break;
- case IMAGE_REL_ARM64_SECREL_LOW12A: applySecRelLow12A(this, Off, OS, S); break;
- case IMAGE_REL_ARM64_SECREL_HIGH12A: applySecRelHigh12A(this, Off, OS, S); break;
- case IMAGE_REL_ARM64_SECREL_LOW12L: applySecRelLdr(this, Off, OS, S); break;
- case IMAGE_REL_ARM64_SECTION: applySecIdx(Off, OS); break;
- case IMAGE_REL_ARM64_REL32: add32(Off, S - P - 4); break;
+void SectionChunk::applyRelARM64(uint8_t *off, uint16_t type, OutputSection *os,
+ uint64_t s, uint64_t p) const {
+ switch (type) {
+ case IMAGE_REL_ARM64_PAGEBASE_REL21: applyArm64Addr(off, s, p, 12); break;
+ case IMAGE_REL_ARM64_REL21: applyArm64Addr(off, s, p, 0); break;
+ case IMAGE_REL_ARM64_PAGEOFFSET_12A: applyArm64Imm(off, s & 0xfff, 0); break;
+ case IMAGE_REL_ARM64_PAGEOFFSET_12L: applyArm64Ldr(off, s & 0xfff); break;
+ case IMAGE_REL_ARM64_BRANCH26: applyArm64Branch26(off, s - p); break;
+ case IMAGE_REL_ARM64_BRANCH19: applyArm64Branch19(off, s - p); break;
+ case IMAGE_REL_ARM64_BRANCH14: applyArm64Branch14(off, s - p); break;
+ case IMAGE_REL_ARM64_ADDR32: add32(off, s + config->imageBase); break;
+ case IMAGE_REL_ARM64_ADDR32NB: add32(off, s); break;
+ case IMAGE_REL_ARM64_ADDR64: add64(off, s + config->imageBase); break;
+ case IMAGE_REL_ARM64_SECREL: applySecRel(this, off, os, s); break;
+ case IMAGE_REL_ARM64_SECREL_LOW12A: applySecRelLow12A(this, off, os, s); break;
+ case IMAGE_REL_ARM64_SECREL_HIGH12A: applySecRelHigh12A(this, off, os, s); break;
+ case IMAGE_REL_ARM64_SECREL_LOW12L: applySecRelLdr(this, off, os, s); break;
+ case IMAGE_REL_ARM64_SECTION: applySecIdx(off, os); break;
+ case IMAGE_REL_ARM64_REL32: add32(off, s - p - 4); break;
default:
- error("unsupported relocation type 0x" + Twine::utohexstr(Type) + " in " +
- toString(File));
+ error("unsupported relocation type 0x" + Twine::utohexstr(type) + " in " +
+ toString(file));
}
}
-static void maybeReportRelocationToDiscarded(const SectionChunk *FromChunk,
- Defined *Sym,
- const coff_relocation &Rel) {
+static void maybeReportRelocationToDiscarded(const SectionChunk *fromChunk,
+ Defined *sym,
+ const coff_relocation &rel) {
// Don't report these errors when the relocation comes from a debug info
// section or in mingw mode. MinGW mode object files (built by GCC) can
// have leftover sections with relocations against discarded comdat
// sections. Such sections are left as is, with relocations untouched.
- if (FromChunk->isCodeView() || FromChunk->isDWARF() || Config->MinGW)
+ if (fromChunk->isCodeView() || fromChunk->isDWARF() || config->mingw)
return;
// Get the name of the symbol. If it's null, it was discarded early, so we
// have to go back to the object file.
- ObjFile *File = FromChunk->File;
- StringRef Name;
- if (Sym) {
- Name = Sym->getName();
+ ObjFile *file = fromChunk->file;
+ StringRef name;
+ if (sym) {
+ name = sym->getName();
} else {
- COFFSymbolRef COFFSym =
- check(File->getCOFFObj()->getSymbol(Rel.SymbolTableIndex));
- File->getCOFFObj()->getSymbolName(COFFSym, Name);
+ COFFSymbolRef coffSym =
+ check(file->getCOFFObj()->getSymbol(rel.SymbolTableIndex));
+ file->getCOFFObj()->getSymbolName(coffSym, name);
}
- std::vector<std::string> SymbolLocations =
- getSymbolLocations(File, Rel.SymbolTableIndex);
+ std::vector<std::string> symbolLocations =
+ getSymbolLocations(file, rel.SymbolTableIndex);
- std::string Out;
- llvm::raw_string_ostream OS(Out);
- OS << "relocation against symbol in discarded section: " + Name;
- for (const std::string &S : SymbolLocations)
- OS << S;
- error(OS.str());
+ std::string out;
+ llvm::raw_string_ostream os(out);
+ os << "relocation against symbol in discarded section: " + name;
+ for (const std::string &s : symbolLocations)
+ os << s;
+ error(os.str());
}
-void SectionChunk::writeTo(uint8_t *Buf) const {
- if (!HasData)
+void SectionChunk::writeTo(uint8_t *buf) const {
+ if (!hasData)
return;
// Copy section contents from source object file to output file.
- ArrayRef<uint8_t> A = getContents();
- if (!A.empty())
- memcpy(Buf, A.data(), A.size());
+ ArrayRef<uint8_t> a = getContents();
+ if (!a.empty())
+ memcpy(buf, a.data(), a.size());
// Apply relocations.
- size_t InputSize = getSize();
- for (size_t I = 0, E = RelocsSize; I < E; I++) {
- const coff_relocation &Rel = RelocsData[I];
+ size_t inputSize = getSize();
+ for (size_t i = 0, e = relocsSize; i < e; i++) {
+ const coff_relocation &rel = relocsData[i];
// Check for an invalid relocation offset. This check isn't perfect, because
// we don't have the relocation size, which is only known after checking the
// machine and relocation type. As a result, a relocation may overwrite the
// beginning of the following input section.
- if (Rel.VirtualAddress >= InputSize) {
+ if (rel.VirtualAddress >= inputSize) {
error("relocation points beyond the end of its parent section");
continue;
}
- uint8_t *Off = Buf + Rel.VirtualAddress;
+ uint8_t *off = buf + rel.VirtualAddress;
- auto *Sym =
- dyn_cast_or_null<Defined>(File->getSymbol(Rel.SymbolTableIndex));
+ auto *sym =
+ dyn_cast_or_null<Defined>(file->getSymbol(rel.SymbolTableIndex));
// Get the output section of the symbol for this relocation. The output
// section is needed to compute SECREL and SECTION relocations used in debug
// info.
- Chunk *C = Sym ? Sym->getChunk() : nullptr;
- OutputSection *OS = C ? C->getOutputSection() : nullptr;
+ Chunk *c = sym ? sym->getChunk() : nullptr;
+ OutputSection *os = c ? c->getOutputSection() : nullptr;
// Skip the relocation if it refers to a discarded section, and diagnose it
// as an error if appropriate. If a symbol was discarded early, it may be
// null. If it was discarded late, the output section will be null, unless
// it was an absolute or synthetic symbol.
- if (!Sym ||
- (!OS && !isa<DefinedAbsolute>(Sym) && !isa<DefinedSynthetic>(Sym))) {
- maybeReportRelocationToDiscarded(this, Sym, Rel);
+ if (!sym ||
+ (!os && !isa<DefinedAbsolute>(sym) && !isa<DefinedSynthetic>(sym))) {
+ maybeReportRelocationToDiscarded(this, sym, rel);
continue;
}
- uint64_t S = Sym->getRVA();
+ uint64_t s = sym->getRVA();
// Compute the RVA of the relocation for relative relocations.
- uint64_t P = RVA + Rel.VirtualAddress;
- switch (Config->Machine) {
+ uint64_t p = rva + rel.VirtualAddress;
+ switch (config->machine) {
case AMD64:
- applyRelX64(Off, Rel.Type, OS, S, P);
+ applyRelX64(off, rel.Type, os, s, p);
break;
case I386:
- applyRelX86(Off, Rel.Type, OS, S, P);
+ applyRelX86(off, rel.Type, os, s, p);
break;
case ARMNT:
- applyRelARM(Off, Rel.Type, OS, S, P);
+ applyRelARM(off, rel.Type, os, s, p);
break;
case ARM64:
- applyRelARM64(Off, Rel.Type, OS, S, P);
+ applyRelARM64(off, rel.Type, os, s, p);
break;
default:
llvm_unreachable("unknown machine type");
@@ -413,32 +413,32 @@
}
}
-void SectionChunk::addAssociative(SectionChunk *Child) {
+void SectionChunk::addAssociative(SectionChunk *child) {
// Insert this child at the head of the list.
- assert(Child->AssocChildren == nullptr &&
+ assert(child->assocChildren == nullptr &&
"associated sections cannot have their own associated children");
- Child->AssocChildren = AssocChildren;
- AssocChildren = Child;
+ child->assocChildren = assocChildren;
+ assocChildren = child;
}
-static uint8_t getBaserelType(const coff_relocation &Rel) {
- switch (Config->Machine) {
+static uint8_t getBaserelType(const coff_relocation &rel) {
+ switch (config->machine) {
case AMD64:
- if (Rel.Type == IMAGE_REL_AMD64_ADDR64)
+ if (rel.Type == IMAGE_REL_AMD64_ADDR64)
return IMAGE_REL_BASED_DIR64;
return IMAGE_REL_BASED_ABSOLUTE;
case I386:
- if (Rel.Type == IMAGE_REL_I386_DIR32)
+ if (rel.Type == IMAGE_REL_I386_DIR32)
return IMAGE_REL_BASED_HIGHLOW;
return IMAGE_REL_BASED_ABSOLUTE;
case ARMNT:
- if (Rel.Type == IMAGE_REL_ARM_ADDR32)
+ if (rel.Type == IMAGE_REL_ARM_ADDR32)
return IMAGE_REL_BASED_HIGHLOW;
- if (Rel.Type == IMAGE_REL_ARM_MOV32T)
+ if (rel.Type == IMAGE_REL_ARM_MOV32T)
return IMAGE_REL_BASED_ARM_MOV32T;
return IMAGE_REL_BASED_ABSOLUTE;
case ARM64:
- if (Rel.Type == IMAGE_REL_ARM64_ADDR64)
+ if (rel.Type == IMAGE_REL_ARM64_ADDR64)
return IMAGE_REL_BASED_DIR64;
return IMAGE_REL_BASED_ABSOLUTE;
default:
@@ -450,16 +450,16 @@
// Collect all locations that contain absolute addresses, which need to be
// fixed by the loader if load-time relocation is needed.
// Only called when base relocation is enabled.
-void SectionChunk::getBaserels(std::vector<Baserel> *Res) {
- for (size_t I = 0, E = RelocsSize; I < E; I++) {
- const coff_relocation &Rel = RelocsData[I];
- uint8_t Ty = getBaserelType(Rel);
- if (Ty == IMAGE_REL_BASED_ABSOLUTE)
+void SectionChunk::getBaserels(std::vector<Baserel> *res) {
+ for (size_t i = 0, e = relocsSize; i < e; i++) {
+ const coff_relocation &rel = relocsData[i];
+ uint8_t ty = getBaserelType(rel);
+ if (ty == IMAGE_REL_BASED_ABSOLUTE)
continue;
- Symbol *Target = File->getSymbol(Rel.SymbolTableIndex);
- if (!Target || isa<DefinedAbsolute>(Target))
+ Symbol *target = file->getSymbol(rel.SymbolTableIndex);
+ if (!target || isa<DefinedAbsolute>(target))
continue;
- Res->emplace_back(RVA + Rel.VirtualAddress, Ty);
+ res->emplace_back(rva + rel.VirtualAddress, ty);
}
}
@@ -470,7 +470,7 @@
// another DLL) This returns the size the relocation is supposed to update,
// in bits, or 0 if the relocation cannot be handled as a runtime pseudo
// relocation.
-static int getRuntimePseudoRelocSize(uint16_t Type) {
+static int getRuntimePseudoRelocSize(uint16_t type) {
// Relocations that either contain an absolute address, or a plain
// relative offset, since the runtime pseudo reloc implementation
// adds 8/16/32/64 bit values to a memory address.
@@ -496,9 +496,9 @@
// the image, or temporarily changed at runtime with VirtualProtect.
// Since this only operates on direct address values, it doesn't work for
// ARM/ARM64 relocations, other than the plain ADDR32/ADDR64 relocations.
- switch (Config->Machine) {
+ switch (config->machine) {
case AMD64:
- switch (Type) {
+ switch (type) {
case IMAGE_REL_AMD64_ADDR64:
return 64;
case IMAGE_REL_AMD64_ADDR32:
@@ -513,7 +513,7 @@
return 0;
}
case I386:
- switch (Type) {
+ switch (type) {
case IMAGE_REL_I386_DIR32:
case IMAGE_REL_I386_REL32:
return 32;
@@ -521,14 +521,14 @@
return 0;
}
case ARMNT:
- switch (Type) {
+ switch (type) {
case IMAGE_REL_ARM_ADDR32:
return 32;
default:
return 0;
}
case ARM64:
- switch (Type) {
+ switch (type) {
case IMAGE_REL_ARM64_ADDR64:
return 64;
case IMAGE_REL_ARM64_ADDR32:
@@ -547,48 +547,48 @@
// to a module local variable, which turned out to actually need to be
// imported from another DLL).
void SectionChunk::getRuntimePseudoRelocs(
- std::vector<RuntimePseudoReloc> &Res) {
- for (const coff_relocation &Rel : getRelocs()) {
- auto *Target =
- dyn_cast_or_null<Defined>(File->getSymbol(Rel.SymbolTableIndex));
- if (!Target || !Target->IsRuntimePseudoReloc)
+ std::vector<RuntimePseudoReloc> &res) {
+ for (const coff_relocation &rel : getRelocs()) {
+ auto *target =
+ dyn_cast_or_null<Defined>(file->getSymbol(rel.SymbolTableIndex));
+ if (!target || !target->isRuntimePseudoReloc)
continue;
- int SizeInBits = getRuntimePseudoRelocSize(Rel.Type);
- if (SizeInBits == 0) {
- error("unable to automatically import from " + Target->getName() +
+ int sizeInBits = getRuntimePseudoRelocSize(rel.Type);
+ if (sizeInBits == 0) {
+ error("unable to automatically import from " + target->getName() +
" with relocation type " +
- File->getCOFFObj()->getRelocationTypeName(Rel.Type) + " in " +
- toString(File));
+ file->getCOFFObj()->getRelocationTypeName(rel.Type) + " in " +
+ toString(file));
continue;
}
// SizeInBits is used to initialize the Flags field; currently no
// other flags are defined.
- Res.emplace_back(
- RuntimePseudoReloc(Target, this, Rel.VirtualAddress, SizeInBits));
+ res.emplace_back(
+ RuntimePseudoReloc(target, this, rel.VirtualAddress, sizeInBits));
}
}
bool SectionChunk::isCOMDAT() const {
- return Header->Characteristics & IMAGE_SCN_LNK_COMDAT;
+ return header->Characteristics & IMAGE_SCN_LNK_COMDAT;
}
void SectionChunk::printDiscardedMessage() const {
// Removed by dead-stripping. If it's removed by ICF, ICF already
// printed out the name, so don't repeat that here.
- if (Sym && this == Repl)
- message("Discarded " + Sym->getName());
+ if (sym && this == repl)
+ message("Discarded " + sym->getName());
}
StringRef SectionChunk::getDebugName() const {
- if (Sym)
- return Sym->getName();
+ if (sym)
+ return sym->getName();
return "";
}
ArrayRef<uint8_t> SectionChunk::getContents() const {
- ArrayRef<uint8_t> A;
- cantFail(File->getCOFFObj()->getSectionContents(Header, A));
- return A;
+ ArrayRef<uint8_t> a;
+ cantFail(file->getCOFFObj()->getSectionContents(header, a));
+ return a;
}
ArrayRef<uint8_t> SectionChunk::consumeDebugMagic() {
@@ -596,57 +596,57 @@
return consumeDebugMagic(getContents(), getSectionName());
}
-ArrayRef<uint8_t> SectionChunk::consumeDebugMagic(ArrayRef<uint8_t> Data,
- StringRef SectionName) {
- if (Data.empty())
+ArrayRef<uint8_t> SectionChunk::consumeDebugMagic(ArrayRef<uint8_t> data,
+ StringRef sectionName) {
+ if (data.empty())
return {};
// First 4 bytes are section magic.
- if (Data.size() < 4)
- fatal("the section is too short: " + SectionName);
+ if (data.size() < 4)
+ fatal("the section is too short: " + sectionName);
- if (!SectionName.startswith(".debug$"))
- fatal("invalid section: " + SectionName);
+ if (!sectionName.startswith(".debug$"))
+ fatal("invalid section: " + sectionName);
- uint32_t Magic = support::endian::read32le(Data.data());
- uint32_t ExpectedMagic = SectionName == ".debug$H"
+ uint32_t magic = support::endian::read32le(data.data());
+ uint32_t expectedMagic = sectionName == ".debug$H"
? DEBUG_HASHES_SECTION_MAGIC
: DEBUG_SECTION_MAGIC;
- if (Magic != ExpectedMagic) {
- warn("ignoring section " + SectionName + " with unrecognized magic 0x" +
- utohexstr(Magic));
+ if (magic != expectedMagic) {
+ warn("ignoring section " + sectionName + " with unrecognized magic 0x" +
+ utohexstr(magic));
return {};
}
- return Data.slice(4);
+ return data.slice(4);
}
-SectionChunk *SectionChunk::findByName(ArrayRef<SectionChunk *> Sections,
- StringRef Name) {
- for (SectionChunk *C : Sections)
- if (C->getSectionName() == Name)
- return C;
+SectionChunk *SectionChunk::findByName(ArrayRef<SectionChunk *> sections,
+ StringRef name) {
+ for (SectionChunk *c : sections)
+ if (c->getSectionName() == name)
+ return c;
return nullptr;
}
-void SectionChunk::replace(SectionChunk *Other) {
- P2Align = std::max(P2Align, Other->P2Align);
- Other->Repl = Repl;
- Other->Live = false;
+void SectionChunk::replace(SectionChunk *other) {
+ p2Align = std::max(p2Align, other->p2Align);
+ other->repl = repl;
+ other->live = false;
}
uint32_t SectionChunk::getSectionNumber() const {
- DataRefImpl R;
- R.p = reinterpret_cast<uintptr_t>(Header);
- SectionRef S(R, File->getCOFFObj());
- return S.getIndex() + 1;
+ DataRefImpl r;
+ r.p = reinterpret_cast<uintptr_t>(header);
+ SectionRef s(r, file->getCOFFObj());
+ return s.getIndex() + 1;
}
-CommonChunk::CommonChunk(const COFFSymbolRef S) : Sym(S) {
+CommonChunk::CommonChunk(const COFFSymbolRef s) : sym(s) {
// The value of a common symbol is its size. Align all common symbols smaller
// than 32 bytes naturally, i.e. round the size up to the next power of two.
// This is what MSVC link.exe does.
- setAlignment(std::min(32U, uint32_t(PowerOf2Ceil(Sym.getValue()))));
- HasData = false;
+ setAlignment(std::min(32U, uint32_t(PowerOf2Ceil(sym.getValue()))));
+ hasData = false;
}
uint32_t CommonChunk::getOutputCharacteristics() const {
@@ -654,139 +654,139 @@
IMAGE_SCN_MEM_WRITE;
}
-void StringChunk::writeTo(uint8_t *Buf) const {
- memcpy(Buf, Str.data(), Str.size());
- Buf[Str.size()] = '\0';
+void StringChunk::writeTo(uint8_t *buf) const {
+ memcpy(buf, str.data(), str.size());
+ buf[str.size()] = '\0';
}
-ImportThunkChunkX64::ImportThunkChunkX64(Defined *S) : ImportThunkChunk(S) {
+ImportThunkChunkX64::ImportThunkChunkX64(Defined *s) : ImportThunkChunk(s) {
// Intel Optimization Manual says that all branch targets
// should be 16-byte aligned. MSVC linker does this too.
setAlignment(16);
}
-void ImportThunkChunkX64::writeTo(uint8_t *Buf) const {
- memcpy(Buf, ImportThunkX86, sizeof(ImportThunkX86));
+void ImportThunkChunkX64::writeTo(uint8_t *buf) const {
+ memcpy(buf, importThunkX86, sizeof(importThunkX86));
// The first two bytes is a JMP instruction. Fill its operand.
- write32le(Buf + 2, ImpSymbol->getRVA() - RVA - getSize());
+ write32le(buf + 2, impSymbol->getRVA() - rva - getSize());
}
-void ImportThunkChunkX86::getBaserels(std::vector<Baserel> *Res) {
- Res->emplace_back(getRVA() + 2);
+void ImportThunkChunkX86::getBaserels(std::vector<Baserel> *res) {
+ res->emplace_back(getRVA() + 2);
}
-void ImportThunkChunkX86::writeTo(uint8_t *Buf) const {
- memcpy(Buf, ImportThunkX86, sizeof(ImportThunkX86));
+void ImportThunkChunkX86::writeTo(uint8_t *buf) const {
+ memcpy(buf, importThunkX86, sizeof(importThunkX86));
// The first two bytes is a JMP instruction. Fill its operand.
- write32le(Buf + 2,
- ImpSymbol->getRVA() + Config->ImageBase);
+ write32le(buf + 2,
+ impSymbol->getRVA() + config->imageBase);
}
-void ImportThunkChunkARM::getBaserels(std::vector<Baserel> *Res) {
- Res->emplace_back(getRVA(), IMAGE_REL_BASED_ARM_MOV32T);
+void ImportThunkChunkARM::getBaserels(std::vector<Baserel> *res) {
+ res->emplace_back(getRVA(), IMAGE_REL_BASED_ARM_MOV32T);
}
-void ImportThunkChunkARM::writeTo(uint8_t *Buf) const {
- memcpy(Buf, ImportThunkARM, sizeof(ImportThunkARM));
+void ImportThunkChunkARM::writeTo(uint8_t *buf) const {
+ memcpy(buf, importThunkARM, sizeof(importThunkARM));
// Fix mov.w and mov.t operands.
- applyMOV32T(Buf, ImpSymbol->getRVA() + Config->ImageBase);
+ applyMOV32T(buf, impSymbol->getRVA() + config->imageBase);
}
-void ImportThunkChunkARM64::writeTo(uint8_t *Buf) const {
- int64_t Off = ImpSymbol->getRVA() & 0xfff;
- memcpy(Buf, ImportThunkARM64, sizeof(ImportThunkARM64));
- applyArm64Addr(Buf, ImpSymbol->getRVA(), RVA, 12);
- applyArm64Ldr(Buf + 4, Off);
+void ImportThunkChunkARM64::writeTo(uint8_t *buf) const {
+ int64_t off = impSymbol->getRVA() & 0xfff;
+ memcpy(buf, importThunkARM64, sizeof(importThunkARM64));
+ applyArm64Addr(buf, impSymbol->getRVA(), rva, 12);
+ applyArm64Ldr(buf + 4, off);
}
// A Thumb2, PIC, non-interworking range extension thunk.
-const uint8_t ArmThunk[] = {
+const uint8_t armThunk[] = {
0x40, 0xf2, 0x00, 0x0c, // P: movw ip,:lower16:S - (P + (L1-P) + 4)
0xc0, 0xf2, 0x00, 0x0c, // movt ip,:upper16:S - (P + (L1-P) + 4)
0xe7, 0x44, // L1: add pc, ip
};
size_t RangeExtensionThunkARM::getSize() const {
- assert(Config->Machine == ARMNT);
- return sizeof(ArmThunk);
+ assert(config->machine == ARMNT);
+ return sizeof(armThunk);
}
-void RangeExtensionThunkARM::writeTo(uint8_t *Buf) const {
- assert(Config->Machine == ARMNT);
- uint64_t Offset = Target->getRVA() - RVA - 12;
- memcpy(Buf, ArmThunk, sizeof(ArmThunk));
- applyMOV32T(Buf, uint32_t(Offset));
+void RangeExtensionThunkARM::writeTo(uint8_t *buf) const {
+ assert(config->machine == ARMNT);
+ uint64_t offset = target->getRVA() - rva - 12;
+ memcpy(buf, armThunk, sizeof(armThunk));
+ applyMOV32T(buf, uint32_t(offset));
}
// A position independent ARM64 adrp+add thunk, with a maximum range of
// +/- 4 GB, which is enough for any PE-COFF.
-const uint8_t Arm64Thunk[] = {
+const uint8_t arm64Thunk[] = {
0x10, 0x00, 0x00, 0x90, // adrp x16, Dest
0x10, 0x02, 0x00, 0x91, // add x16, x16, :lo12:Dest
0x00, 0x02, 0x1f, 0xd6, // br x16
};
size_t RangeExtensionThunkARM64::getSize() const {
- assert(Config->Machine == ARM64);
- return sizeof(Arm64Thunk);
+ assert(config->machine == ARM64);
+ return sizeof(arm64Thunk);
}
-void RangeExtensionThunkARM64::writeTo(uint8_t *Buf) const {
- assert(Config->Machine == ARM64);
- memcpy(Buf, Arm64Thunk, sizeof(Arm64Thunk));
- applyArm64Addr(Buf + 0, Target->getRVA(), RVA, 12);
- applyArm64Imm(Buf + 4, Target->getRVA() & 0xfff, 0);
+void RangeExtensionThunkARM64::writeTo(uint8_t *buf) const {
+ assert(config->machine == ARM64);
+ memcpy(buf, arm64Thunk, sizeof(arm64Thunk));
+ applyArm64Addr(buf + 0, target->getRVA(), rva, 12);
+ applyArm64Imm(buf + 4, target->getRVA() & 0xfff, 0);
}
-void LocalImportChunk::getBaserels(std::vector<Baserel> *Res) {
- Res->emplace_back(getRVA());
+void LocalImportChunk::getBaserels(std::vector<Baserel> *res) {
+ res->emplace_back(getRVA());
}
-size_t LocalImportChunk::getSize() const { return Config->Wordsize; }
+size_t LocalImportChunk::getSize() const { return config->wordsize; }
-void LocalImportChunk::writeTo(uint8_t *Buf) const {
- if (Config->is64()) {
- write64le(Buf, Sym->getRVA() + Config->ImageBase);
+void LocalImportChunk::writeTo(uint8_t *buf) const {
+ if (config->is64()) {
+ write64le(buf, sym->getRVA() + config->imageBase);
} else {
- write32le(Buf, Sym->getRVA() + Config->ImageBase);
+ write32le(buf, sym->getRVA() + config->imageBase);
}
}
-void RVATableChunk::writeTo(uint8_t *Buf) const {
- ulittle32_t *Begin = reinterpret_cast<ulittle32_t *>(Buf);
- size_t Cnt = 0;
- for (const ChunkAndOffset &CO : Syms)
- Begin[Cnt++] = CO.InputChunk->getRVA() + CO.Offset;
- std::sort(Begin, Begin + Cnt);
- assert(std::unique(Begin, Begin + Cnt) == Begin + Cnt &&
+void RVATableChunk::writeTo(uint8_t *buf) const {
+ ulittle32_t *begin = reinterpret_cast<ulittle32_t *>(buf);
+ size_t cnt = 0;
+ for (const ChunkAndOffset &co : syms)
+ begin[cnt++] = co.inputChunk->getRVA() + co.offset;
+ std::sort(begin, begin + cnt);
+ assert(std::unique(begin, begin + cnt) == begin + cnt &&
"RVA tables should be de-duplicated");
}
// MinGW specific, for the "automatic import of variables from DLLs" feature.
size_t PseudoRelocTableChunk::getSize() const {
- if (Relocs.empty())
+ if (relocs.empty())
return 0;
- return 12 + 12 * Relocs.size();
+ return 12 + 12 * relocs.size();
}
// MinGW specific.
-void PseudoRelocTableChunk::writeTo(uint8_t *Buf) const {
- if (Relocs.empty())
+void PseudoRelocTableChunk::writeTo(uint8_t *buf) const {
+ if (relocs.empty())
return;
- ulittle32_t *Table = reinterpret_cast<ulittle32_t *>(Buf);
+ ulittle32_t *table = reinterpret_cast<ulittle32_t *>(buf);
// This is the list header, to signal the runtime pseudo relocation v2
// format.
- Table[0] = 0;
- Table[1] = 0;
- Table[2] = 1;
+ table[0] = 0;
+ table[1] = 0;
+ table[2] = 1;
- size_t Idx = 3;
- for (const RuntimePseudoReloc &RPR : Relocs) {
- Table[Idx + 0] = RPR.Sym->getRVA();
- Table[Idx + 1] = RPR.Target->getRVA() + RPR.TargetOffset;
- Table[Idx + 2] = RPR.Flags;
- Idx += 3;
+ size_t idx = 3;
+ for (const RuntimePseudoReloc &rpr : relocs) {
+ table[idx + 0] = rpr.sym->getRVA();
+ table[idx + 1] = rpr.target->getRVA() + rpr.targetOffset;
+ table[idx + 2] = rpr.flags;
+ idx += 3;
}
}
@@ -829,26 +829,26 @@
//
// Usually we have a lot of relocations for each page, so the number of
// bytes for one .reloc entry is close to 2 bytes on average.
-BaserelChunk::BaserelChunk(uint32_t Page, Baserel *Begin, Baserel *End) {
+BaserelChunk::BaserelChunk(uint32_t page, Baserel *begin, Baserel *end) {
// Block header consists of 4 byte page RVA and 4 byte block size.
// Each entry is 2 byte. Last entry may be padding.
- Data.resize(alignTo((End - Begin) * 2 + 8, 4));
- uint8_t *P = Data.data();
- write32le(P, Page);
- write32le(P + 4, Data.size());
- P += 8;
- for (Baserel *I = Begin; I != End; ++I) {
- write16le(P, (I->Type << 12) | (I->RVA - Page));
- P += 2;
+ data.resize(alignTo((end - begin) * 2 + 8, 4));
+ uint8_t *p = data.data();
+ write32le(p, page);
+ write32le(p + 4, data.size());
+ p += 8;
+ for (Baserel *i = begin; i != end; ++i) {
+ write16le(p, (i->type << 12) | (i->rva - page));
+ p += 2;
}
}
-void BaserelChunk::writeTo(uint8_t *Buf) const {
- memcpy(Buf, Data.data(), Data.size());
+void BaserelChunk::writeTo(uint8_t *buf) const {
+ memcpy(buf, data.data(), data.size());
}
uint8_t Baserel::getDefaultType() {
- switch (Config->Machine) {
+ switch (config->machine) {
case AMD64:
case ARM64:
return IMAGE_REL_BASED_DIR64;
@@ -860,38 +860,38 @@
}
}
-MergeChunk *MergeChunk::Instances[Log2MaxSectionAlignment + 1] = {};
+MergeChunk *MergeChunk::instances[Log2MaxSectionAlignment + 1] = {};
-MergeChunk::MergeChunk(uint32_t Alignment)
- : Builder(StringTableBuilder::RAW, Alignment) {
- setAlignment(Alignment);
+MergeChunk::MergeChunk(uint32_t alignment)
+ : builder(StringTableBuilder::RAW, alignment) {
+ setAlignment(alignment);
}
-void MergeChunk::addSection(SectionChunk *C) {
- assert(isPowerOf2_32(C->getAlignment()));
- uint8_t P2Align = llvm::Log2_32(C->getAlignment());
- assert(P2Align < array_lengthof(Instances));
- auto *&MC = Instances[P2Align];
- if (!MC)
- MC = make<MergeChunk>(C->getAlignment());
- MC->Sections.push_back(C);
+void MergeChunk::addSection(SectionChunk *c) {
+ assert(isPowerOf2_32(c->getAlignment()));
+ uint8_t p2Align = llvm::Log2_32(c->getAlignment());
+ assert(p2Align < array_lengthof(instances));
+ auto *&mc = instances[p2Align];
+ if (!mc)
+ mc = make<MergeChunk>(c->getAlignment());
+ mc->sections.push_back(c);
}
void MergeChunk::finalizeContents() {
- assert(!Finalized && "should only finalize once");
- for (SectionChunk *C : Sections)
- if (C->Live)
- Builder.add(toStringRef(C->getContents()));
- Builder.finalize();
- Finalized = true;
+ assert(!finalized && "should only finalize once");
+ for (SectionChunk *c : sections)
+ if (c->live)
+ builder.add(toStringRef(c->getContents()));
+ builder.finalize();
+ finalized = true;
}
void MergeChunk::assignSubsectionRVAs() {
- for (SectionChunk *C : Sections) {
- if (!C->Live)
+ for (SectionChunk *c : sections) {
+ if (!c->live)
continue;
- size_t Off = Builder.getOffset(toStringRef(C->getContents()));
- C->setRVA(RVA + Off);
+ size_t off = builder.getOffset(toStringRef(c->getContents()));
+ c->setRVA(rva + off);
}
}
@@ -900,21 +900,21 @@
}
size_t MergeChunk::getSize() const {
- return Builder.getSize();
+ return builder.getSize();
}
-void MergeChunk::writeTo(uint8_t *Buf) const {
- Builder.write(Buf);
+void MergeChunk::writeTo(uint8_t *buf) const {
+ builder.write(buf);
}
// MinGW specific.
-size_t AbsolutePointerChunk::getSize() const { return Config->Wordsize; }
+size_t AbsolutePointerChunk::getSize() const { return config->wordsize; }
-void AbsolutePointerChunk::writeTo(uint8_t *Buf) const {
- if (Config->is64()) {
- write64le(Buf, Value);
+void AbsolutePointerChunk::writeTo(uint8_t *buf) const {
+ if (config->is64()) {
+ write64le(buf, value);
} else {
- write32le(Buf, Value);
+ write32le(buf, value);
}
}
diff --git a/lld/COFF/Chunks.h b/lld/COFF/Chunks.h
index 625a092..6bb629f 100644
--- a/lld/COFF/Chunks.h
+++ b/lld/COFF/Chunks.h
@@ -40,10 +40,10 @@
class Symbol;
// Mask for permissions (discardable, writable, readable, executable, etc).
-const uint32_t PermMask = 0xFE000000;
+const uint32_t permMask = 0xFE000000;
// Mask for section types (code, data, bss).
-const uint32_t TypeMask = 0x000000E0;
+const uint32_t typeMask = 0x000000E0;
// The log base 2 of the largest section alignment, which is log2(8192), or 13.
enum : unsigned { Log2MaxSectionAlignment = 13 };
@@ -55,23 +55,23 @@
class Chunk {
public:
enum Kind : uint8_t { SectionKind, OtherKind, ImportThunkKind };
- Kind kind() const { return ChunkKind; }
+ Kind kind() const { return chunkKind; }
// Returns the size of this chunk (even if this is a common or BSS.)
size_t getSize() const;
// Returns chunk alignment in power of two form. Value values are powers of
// two from 1 to 8192.
- uint32_t getAlignment() const { return 1U << P2Align; }
+ uint32_t getAlignment() const { return 1U << p2Align; }
// Update the chunk section alignment measured in bytes. Internally alignment
// is stored in log2.
- void setAlignment(uint32_t Align) {
+ void setAlignment(uint32_t align) {
// Treat zero byte alignment as 1 byte alignment.
- Align = Align ? Align : 1;
- assert(llvm::isPowerOf2_32(Align) && "alignment is not a power of 2");
- P2Align = llvm::Log2_32(Align);
- assert(P2Align <= Log2MaxSectionAlignment &&
+ align = align ? align : 1;
+ assert(llvm::isPowerOf2_32(align) && "alignment is not a power of 2");
+ p2Align = llvm::Log2_32(align);
+ assert(p2Align <= Log2MaxSectionAlignment &&
"impossible requested alignment");
}
@@ -79,15 +79,15 @@
// beginning of the file. Because this function may use RVA values
// of other chunks for relocations, you need to set them properly
// before calling this function.
- void writeTo(uint8_t *Buf) const;
+ void writeTo(uint8_t *buf) const;
// The writer sets and uses the addresses. In practice, PE images cannot be
// larger than 2GB. Chunks are always laid as part of the image, so Chunk RVAs
// can be stored with 32 bits.
- uint32_t getRVA() const { return RVA; }
- void setRVA(uint64_t V) {
- RVA = (uint32_t)V;
- assert(RVA == V && "RVA truncated");
+ uint32_t getRVA() const { return rva; }
+ void setRVA(uint64_t v) {
+ rva = (uint32_t)v;
+ assert(rva == v && "RVA truncated");
}
// Returns readable/writable/executable bits.
@@ -99,13 +99,13 @@
// An output section has pointers to chunks in the section, and each
// chunk has a back pointer to an output section.
- void setOutputSectionIdx(uint16_t O) { OSIdx = O; }
- uint16_t getOutputSectionIdx() const { return OSIdx; }
+ void setOutputSectionIdx(uint16_t o) { osidx = o; }
+ uint16_t getOutputSectionIdx() const { return osidx; }
OutputSection *getOutputSection() const;
// Windows-specific.
// Collect all locations that contain absolute addresses for base relocations.
- void getBaserels(std::vector<Baserel> *Res);
+ void getBaserels(std::vector<Baserel> *res);
// Returns a human-readable name of this chunk. Chunks are unnamed chunks of
// bytes, so this is used only for logging or debugging.
@@ -117,28 +117,28 @@
bool isHotPatchable() const;
protected:
- Chunk(Kind K = OtherKind) : ChunkKind(K), HasData(true), P2Align(0) {}
+ Chunk(Kind k = OtherKind) : chunkKind(k), hasData(true), p2Align(0) {}
- const Kind ChunkKind;
+ const Kind chunkKind;
public:
// Returns true if this has non-zero data. BSS chunks return
// false. If false is returned, the space occupied by this chunk
// will be filled with zeros. Corresponds to the
// IMAGE_SCN_CNT_UNINITIALIZED_DATA section characteristic bit.
- uint8_t HasData : 1;
+ uint8_t hasData : 1;
public:
// The alignment of this chunk, stored in log2 form. The writer uses the
// value.
- uint8_t P2Align : 7;
+ uint8_t p2Align : 7;
// The output section index for this chunk. The first valid section number is
// one.
- uint16_t OSIdx = 0;
+ uint16_t osidx = 0;
// The RVA of this chunk in the output. The writer sets a value.
- uint32_t RVA = 0;
+ uint32_t rva = 0;
};
class NonSectionChunk : public Chunk {
@@ -154,7 +154,7 @@
// beginning of the file. Because this function may use RVA values
// of other chunks for relocations, you need to set them properly
// before calling this function.
- virtual void writeTo(uint8_t *Buf) const {}
+ virtual void writeTo(uint8_t *buf) const {}
// Returns the section name if this is a section chunk.
// It is illegal to call this function on non-section chunks.
@@ -164,16 +164,16 @@
// Windows-specific.
// Collect all locations that contain absolute addresses for base relocations.
- virtual void getBaserels(std::vector<Baserel> *Res) {}
+ virtual void getBaserels(std::vector<Baserel> *res) {}
// Returns a human-readable name of this chunk. Chunks are unnamed chunks of
// bytes, so this is used only for logging or debugging.
virtual StringRef getDebugName() const { return ""; }
- static bool classof(const Chunk *C) { return C->kind() != SectionKind; }
+ static bool classof(const Chunk *c) { return c->kind() != SectionKind; }
protected:
- NonSectionChunk(Kind K = OtherKind) : Chunk(K) {}
+ NonSectionChunk(Kind k = OtherKind) : Chunk(k) {}
};
// A chunk corresponding a section of an input file.
@@ -187,41 +187,41 @@
std::random_access_iterator_tag, Symbol *> {
friend SectionChunk;
- ObjFile *File;
+ ObjFile *file;
- symbol_iterator(ObjFile *File, const coff_relocation *I)
- : symbol_iterator::iterator_adaptor_base(I), File(File) {}
+ symbol_iterator(ObjFile *file, const coff_relocation *i)
+ : symbol_iterator::iterator_adaptor_base(i), file(file) {}
public:
symbol_iterator() = default;
- Symbol *operator*() const { return File->getSymbol(I->SymbolTableIndex); }
+ Symbol *operator*() const { return file->getSymbol(I->SymbolTableIndex); }
};
- SectionChunk(ObjFile *File, const coff_section *Header);
- static bool classof(const Chunk *C) { return C->kind() == SectionKind; }
- size_t getSize() const { return Header->SizeOfRawData; }
+ SectionChunk(ObjFile *file, const coff_section *header);
+ static bool classof(const Chunk *c) { return c->kind() == SectionKind; }
+ size_t getSize() const { return header->SizeOfRawData; }
ArrayRef<uint8_t> getContents() const;
- void writeTo(uint8_t *Buf) const;
+ void writeTo(uint8_t *buf) const;
uint32_t getOutputCharacteristics() const {
- return Header->Characteristics & (PermMask | TypeMask);
+ return header->Characteristics & (permMask | typeMask);
}
StringRef getSectionName() const {
- return StringRef(SectionNameData, SectionNameSize);
+ return StringRef(sectionNameData, sectionNameSize);
}
- void getBaserels(std::vector<Baserel> *Res);
+ void getBaserels(std::vector<Baserel> *res);
bool isCOMDAT() const;
- void applyRelX64(uint8_t *Off, uint16_t Type, OutputSection *OS, uint64_t S,
- uint64_t P) const;
- void applyRelX86(uint8_t *Off, uint16_t Type, OutputSection *OS, uint64_t S,
- uint64_t P) const;
- void applyRelARM(uint8_t *Off, uint16_t Type, OutputSection *OS, uint64_t S,
- uint64_t P) const;
- void applyRelARM64(uint8_t *Off, uint16_t Type, OutputSection *OS, uint64_t S,
- uint64_t P) const;
+ void applyRelX64(uint8_t *off, uint16_t type, OutputSection *os, uint64_t s,
+ uint64_t p) const;
+ void applyRelX86(uint8_t *off, uint16_t type, OutputSection *os, uint64_t s,
+ uint64_t p) const;
+ void applyRelARM(uint8_t *off, uint16_t type, OutputSection *os, uint64_t s,
+ uint64_t p) const;
+ void applyRelARM64(uint8_t *off, uint16_t type, OutputSection *os, uint64_t s,
+ uint64_t p) const;
- void getRuntimePseudoRelocs(std::vector<RuntimePseudoReloc> &Res);
+ void getRuntimePseudoRelocs(std::vector<RuntimePseudoReloc> &res);
// Called if the garbage collector decides to not include this chunk
// in a final output. It's supposed to print out a log message to stdout.
@@ -229,7 +229,7 @@
// Adds COMDAT associative sections to this COMDAT section. A chunk
// and its children are treated as a group by the garbage collector.
- void addAssociative(SectionChunk *Child);
+ void addAssociative(SectionChunk *child);
StringRef getDebugName() const;
@@ -246,19 +246,19 @@
// Allow iteration over the bodies of this chunk's relocated symbols.
llvm::iterator_range<symbol_iterator> symbols() const {
- return llvm::make_range(symbol_iterator(File, RelocsData),
- symbol_iterator(File, RelocsData + RelocsSize));
+ return llvm::make_range(symbol_iterator(file, relocsData),
+ symbol_iterator(file, relocsData + relocsSize));
}
ArrayRef<coff_relocation> getRelocs() const {
- return llvm::makeArrayRef(RelocsData, RelocsSize);
+ return llvm::makeArrayRef(relocsData, relocsSize);
}
// Reloc setter used by ARM range extension thunk insertion.
- void setRelocs(ArrayRef<coff_relocation> NewRelocs) {
- RelocsData = NewRelocs.data();
- RelocsSize = NewRelocs.size();
- assert(RelocsSize == NewRelocs.size() && "reloc size truncation");
+ void setRelocs(ArrayRef<coff_relocation> newRelocs) {
+ relocsData = newRelocs.data();
+ relocsSize = newRelocs.size();
+ assert(relocsSize == newRelocs.size() && "reloc size truncation");
}
// Single linked list iterator for associated comdat children.
@@ -267,26 +267,26 @@
AssociatedIterator, std::forward_iterator_tag, SectionChunk> {
public:
AssociatedIterator() = default;
- AssociatedIterator(SectionChunk *Head) : Cur(Head) {}
- AssociatedIterator &operator=(const AssociatedIterator &R) {
- Cur = R.Cur;
+ AssociatedIterator(SectionChunk *head) : cur(head) {}
+ AssociatedIterator &operator=(const AssociatedIterator &r) {
+ cur = r.cur;
return *this;
}
- bool operator==(const AssociatedIterator &R) const { return Cur == R.Cur; }
- const SectionChunk &operator*() const { return *Cur; }
- SectionChunk &operator*() { return *Cur; }
+ bool operator==(const AssociatedIterator &r) const { return cur == r.cur; }
+ const SectionChunk &operator*() const { return *cur; }
+ SectionChunk &operator*() { return *cur; }
AssociatedIterator &operator++() {
- Cur = Cur->AssocChildren;
+ cur = cur->assocChildren;
return *this;
}
private:
- SectionChunk *Cur = nullptr;
+ SectionChunk *cur = nullptr;
};
// Allow iteration over the associated child chunks for this section.
llvm::iterator_range<AssociatedIterator> children() const {
- return llvm::make_range(AssociatedIterator(AssocChildren),
+ return llvm::make_range(AssociatedIterator(assocChildren),
AssociatedIterator(nullptr));
}
@@ -295,56 +295,56 @@
ArrayRef<uint8_t> consumeDebugMagic();
- static ArrayRef<uint8_t> consumeDebugMagic(ArrayRef<uint8_t> Data,
- StringRef SectionName);
+ static ArrayRef<uint8_t> consumeDebugMagic(ArrayRef<uint8_t> data,
+ StringRef sectionName);
- static SectionChunk *findByName(ArrayRef<SectionChunk *> Sections,
- StringRef Name);
+ static SectionChunk *findByName(ArrayRef<SectionChunk *> sections,
+ StringRef name);
// The file that this chunk was created from.
- ObjFile *File;
+ ObjFile *file;
// Pointer to the COFF section header in the input file.
- const coff_section *Header;
+ const coff_section *header;
// The COMDAT leader symbol if this is a COMDAT chunk.
- DefinedRegular *Sym = nullptr;
+ DefinedRegular *sym = nullptr;
// The CRC of the contents as described in the COFF spec 4.5.5.
// Auxiliary Format 5: Section Definitions. Used for ICF.
- uint32_t Checksum = 0;
+ uint32_t checksum = 0;
// Used by the garbage collector.
- bool Live;
+ bool live;
// Whether this section needs to be kept distinct from other sections during
// ICF. This is set by the driver using address-significance tables.
- bool KeepUnique = false;
+ bool keepUnique = false;
// The COMDAT selection if this is a COMDAT chunk.
- llvm::COFF::COMDATType Selection = (llvm::COFF::COMDATType)0;
+ llvm::COFF::COMDATType selection = (llvm::COFF::COMDATType)0;
// A pointer pointing to a replacement for this chunk.
// Initially it points to "this" object. If this chunk is merged
// with other chunk by ICF, it points to another chunk,
// and this chunk is considered as dead.
- SectionChunk *Repl;
+ SectionChunk *repl;
private:
- SectionChunk *AssocChildren = nullptr;
+ SectionChunk *assocChildren = nullptr;
// Used for ICF (Identical COMDAT Folding)
- void replace(SectionChunk *Other);
- uint32_t Class[2] = {0, 0};
+ void replace(SectionChunk *other);
+ uint32_t eqClass[2] = {0, 0};
// Relocations for this section. Size is stored below.
- const coff_relocation *RelocsData;
+ const coff_relocation *relocsData;
// Section name string. Size is stored below.
- const char *SectionNameData;
+ const char *sectionNameData;
- uint32_t RelocsSize = 0;
- uint32_t SectionNameSize = 0;
+ uint32_t relocsSize = 0;
+ uint32_t sectionNameSize = 0;
};
// Inline methods to implement faux-virtual dispatch for SectionChunk.
@@ -364,11 +364,11 @@
->getOutputCharacteristics();
}
-inline void Chunk::writeTo(uint8_t *Buf) const {
+inline void Chunk::writeTo(uint8_t *buf) const {
if (isa<SectionChunk>(this))
- static_cast<const SectionChunk *>(this)->writeTo(Buf);
+ static_cast<const SectionChunk *>(this)->writeTo(buf);
else
- static_cast<const NonSectionChunk *>(this)->writeTo(Buf);
+ static_cast<const NonSectionChunk *>(this)->writeTo(buf);
}
inline StringRef Chunk::getSectionName() const {
@@ -378,11 +378,11 @@
return static_cast<const NonSectionChunk *>(this)->getSectionName();
}
-inline void Chunk::getBaserels(std::vector<Baserel> *Res) {
+inline void Chunk::getBaserels(std::vector<Baserel> *res) {
if (isa<SectionChunk>(this))
- static_cast<SectionChunk *>(this)->getBaserels(Res);
+ static_cast<SectionChunk *>(this)->getBaserels(res);
else
- static_cast<NonSectionChunk *>(this)->getBaserels(Res);
+ static_cast<NonSectionChunk *>(this)->getBaserels(res);
}
inline StringRef Chunk::getDebugName() const {
@@ -403,58 +403,58 @@
// on the offsets assigned by the StringTableBuilder.
class MergeChunk : public NonSectionChunk {
public:
- MergeChunk(uint32_t Alignment);
- static void addSection(SectionChunk *C);
+ MergeChunk(uint32_t alignment);
+ static void addSection(SectionChunk *c);
void finalizeContents();
void assignSubsectionRVAs();
uint32_t getOutputCharacteristics() const override;
StringRef getSectionName() const override { return ".rdata"; }
size_t getSize() const override;
- void writeTo(uint8_t *Buf) const override;
+ void writeTo(uint8_t *buf) const override;
- static MergeChunk *Instances[Log2MaxSectionAlignment + 1];
- std::vector<SectionChunk *> Sections;
+ static MergeChunk *instances[Log2MaxSectionAlignment + 1];
+ std::vector<SectionChunk *> sections;
private:
- llvm::StringTableBuilder Builder;
- bool Finalized = false;
+ llvm::StringTableBuilder builder;
+ bool finalized = false;
};
// A chunk for common symbols. Common chunks don't have actual data.
class CommonChunk : public NonSectionChunk {
public:
- CommonChunk(const COFFSymbolRef Sym);
- size_t getSize() const override { return Sym.getValue(); }
+ CommonChunk(const COFFSymbolRef sym);
+ size_t getSize() const override { return sym.getValue(); }
uint32_t getOutputCharacteristics() const override;
StringRef getSectionName() const override { return ".bss"; }
private:
- const COFFSymbolRef Sym;
+ const COFFSymbolRef sym;
};
// A chunk for linker-created strings.
class StringChunk : public NonSectionChunk {
public:
- explicit StringChunk(StringRef S) : Str(S) {}
- size_t getSize() const override { return Str.size() + 1; }
- void writeTo(uint8_t *Buf) const override;
+ explicit StringChunk(StringRef s) : str(s) {}
+ size_t getSize() const override { return str.size() + 1; }
+ void writeTo(uint8_t *buf) const override;
private:
- StringRef Str;
+ StringRef str;
};
-static const uint8_t ImportThunkX86[] = {
+static const uint8_t importThunkX86[] = {
0xff, 0x25, 0x00, 0x00, 0x00, 0x00, // JMP *0x0
};
-static const uint8_t ImportThunkARM[] = {
+static const uint8_t importThunkARM[] = {
0x40, 0xf2, 0x00, 0x0c, // mov.w ip, #0
0xc0, 0xf2, 0x00, 0x0c, // mov.t ip, #0
0xdc, 0xf8, 0x00, 0xf0, // ldr.w pc, [ip]
};
-static const uint8_t ImportThunkARM64[] = {
+static const uint8_t importThunkARM64[] = {
0x10, 0x00, 0x00, 0x90, // adrp x16, #0
0x10, 0x02, 0x40, 0xf9, // ldr x16, [x16]
0x00, 0x02, 0x1f, 0xd6, // br x16
@@ -465,83 +465,83 @@
// contents will be a JMP instruction to some __imp_ symbol.
class ImportThunkChunk : public NonSectionChunk {
public:
- ImportThunkChunk(Defined *S)
- : NonSectionChunk(ImportThunkKind), ImpSymbol(S) {}
- static bool classof(const Chunk *C) { return C->kind() == ImportThunkKind; }
+ ImportThunkChunk(Defined *s)
+ : NonSectionChunk(ImportThunkKind), impSymbol(s) {}
+ static bool classof(const Chunk *c) { return c->kind() == ImportThunkKind; }
protected:
- Defined *ImpSymbol;
+ Defined *impSymbol;
};
class ImportThunkChunkX64 : public ImportThunkChunk {
public:
- explicit ImportThunkChunkX64(Defined *S);
- size_t getSize() const override { return sizeof(ImportThunkX86); }
- void writeTo(uint8_t *Buf) const override;
+ explicit ImportThunkChunkX64(Defined *s);
+ size_t getSize() const override { return sizeof(importThunkX86); }
+ void writeTo(uint8_t *buf) const override;
};
class ImportThunkChunkX86 : public ImportThunkChunk {
public:
- explicit ImportThunkChunkX86(Defined *S) : ImportThunkChunk(S) {}
- size_t getSize() const override { return sizeof(ImportThunkX86); }
- void getBaserels(std::vector<Baserel> *Res) override;
- void writeTo(uint8_t *Buf) const override;
+ explicit ImportThunkChunkX86(Defined *s) : ImportThunkChunk(s) {}
+ size_t getSize() const override { return sizeof(importThunkX86); }
+ void getBaserels(std::vector<Baserel> *res) override;
+ void writeTo(uint8_t *buf) const override;
};
class ImportThunkChunkARM : public ImportThunkChunk {
public:
- explicit ImportThunkChunkARM(Defined *S) : ImportThunkChunk(S) {}
- size_t getSize() const override { return sizeof(ImportThunkARM); }
- void getBaserels(std::vector<Baserel> *Res) override;
- void writeTo(uint8_t *Buf) const override;
+ explicit ImportThunkChunkARM(Defined *s) : ImportThunkChunk(s) {}
+ size_t getSize() const override { return sizeof(importThunkARM); }
+ void getBaserels(std::vector<Baserel> *res) override;
+ void writeTo(uint8_t *buf) const override;
};
class ImportThunkChunkARM64 : public ImportThunkChunk {
public:
- explicit ImportThunkChunkARM64(Defined *S) : ImportThunkChunk(S) {}
- size_t getSize() const override { return sizeof(ImportThunkARM64); }
- void writeTo(uint8_t *Buf) const override;
+ explicit ImportThunkChunkARM64(Defined *s) : ImportThunkChunk(s) {}
+ size_t getSize() const override { return sizeof(importThunkARM64); }
+ void writeTo(uint8_t *buf) const override;
};
class RangeExtensionThunkARM : public NonSectionChunk {
public:
- explicit RangeExtensionThunkARM(Defined *T) : Target(T) {}
+ explicit RangeExtensionThunkARM(Defined *t) : target(t) {}
size_t getSize() const override;
- void writeTo(uint8_t *Buf) const override;
+ void writeTo(uint8_t *buf) const override;
- Defined *Target;
+ Defined *target;
};
class RangeExtensionThunkARM64 : public NonSectionChunk {
public:
- explicit RangeExtensionThunkARM64(Defined *T) : Target(T) {}
+ explicit RangeExtensionThunkARM64(Defined *t) : target(t) {}
size_t getSize() const override;
- void writeTo(uint8_t *Buf) const override;
+ void writeTo(uint8_t *buf) const override;
- Defined *Target;
+ Defined *target;
};
// Windows-specific.
// See comments for DefinedLocalImport class.
class LocalImportChunk : public NonSectionChunk {
public:
- explicit LocalImportChunk(Defined *S) : Sym(S) {
- setAlignment(Config->Wordsize);
+ explicit LocalImportChunk(Defined *s) : sym(s) {
+ setAlignment(config->wordsize);
}
size_t getSize() const override;
- void getBaserels(std::vector<Baserel> *Res) override;
- void writeTo(uint8_t *Buf) const override;
+ void getBaserels(std::vector<Baserel> *res) override;
+ void writeTo(uint8_t *buf) const override;
private:
- Defined *Sym;
+ Defined *sym;
};
// Duplicate RVAs are not allowed in RVA tables, so unique symbols by chunk and
// offset into the chunk. Order does not matter as the RVA table will be sorted
// later.
struct ChunkAndOffset {
- Chunk *InputChunk;
- uint32_t Offset;
+ Chunk *inputChunk;
+ uint32_t offset;
struct DenseMapInfo {
static ChunkAndOffset getEmptyKey() {
@@ -550,12 +550,12 @@
static ChunkAndOffset getTombstoneKey() {
return {llvm::DenseMapInfo<Chunk *>::getTombstoneKey(), 0};
}
- static unsigned getHashValue(const ChunkAndOffset &CO) {
+ static unsigned getHashValue(const ChunkAndOffset &co) {
return llvm::DenseMapInfo<std::pair<Chunk *, uint32_t>>::getHashValue(
- {CO.InputChunk, CO.Offset});
+ {co.inputChunk, co.offset});
}
- static bool isEqual(const ChunkAndOffset &LHS, const ChunkAndOffset &RHS) {
- return LHS.InputChunk == RHS.InputChunk && LHS.Offset == RHS.Offset;
+ static bool isEqual(const ChunkAndOffset &lhs, const ChunkAndOffset &rhs) {
+ return lhs.inputChunk == rhs.inputChunk && lhs.offset == rhs.offset;
}
};
};
@@ -565,12 +565,12 @@
// Table which contains symbol RVAs. Used for /safeseh and /guard:cf.
class RVATableChunk : public NonSectionChunk {
public:
- explicit RVATableChunk(SymbolRVASet S) : Syms(std::move(S)) {}
- size_t getSize() const override { return Syms.size() * 4; }
- void writeTo(uint8_t *Buf) const override;
+ explicit RVATableChunk(SymbolRVASet s) : syms(std::move(s)) {}
+ size_t getSize() const override { return syms.size() * 4; }
+ void writeTo(uint8_t *buf) const override;
private:
- SymbolRVASet Syms;
+ SymbolRVASet syms;
};
// Windows-specific.
@@ -578,22 +578,22 @@
// See the PE/COFF spec 5.6 for details.
class BaserelChunk : public NonSectionChunk {
public:
- BaserelChunk(uint32_t Page, Baserel *Begin, Baserel *End);
- size_t getSize() const override { return Data.size(); }
- void writeTo(uint8_t *Buf) const override;
+ BaserelChunk(uint32_t page, Baserel *begin, Baserel *end);
+ size_t getSize() const override { return data.size(); }
+ void writeTo(uint8_t *buf) const override;
private:
- std::vector<uint8_t> Data;
+ std::vector<uint8_t> data;
};
class Baserel {
public:
- Baserel(uint32_t V, uint8_t Ty) : RVA(V), Type(Ty) {}
- explicit Baserel(uint32_t V) : Baserel(V, getDefaultType()) {}
+ Baserel(uint32_t v, uint8_t ty) : rva(v), type(ty) {}
+ explicit Baserel(uint32_t v) : Baserel(v, getDefaultType()) {}
uint8_t getDefaultType();
- uint32_t RVA;
- uint8_t Type;
+ uint32_t rva;
+ uint8_t type;
};
// This is a placeholder Chunk, to allow attaching a DefinedSynthetic to a
@@ -604,7 +604,7 @@
public:
EmptyChunk() {}
size_t getSize() const override { return 0; }
- void writeTo(uint8_t *Buf) const override {}
+ void writeTo(uint8_t *buf) const override {}
};
// MinGW specific, for the "automatic import of variables from DLLs" feature.
@@ -615,15 +615,15 @@
// code.
class PseudoRelocTableChunk : public NonSectionChunk {
public:
- PseudoRelocTableChunk(std::vector<RuntimePseudoReloc> &Relocs)
- : Relocs(std::move(Relocs)) {
+ PseudoRelocTableChunk(std::vector<RuntimePseudoReloc> &relocs)
+ : relocs(std::move(relocs)) {
setAlignment(4);
}
size_t getSize() const override;
- void writeTo(uint8_t *Buf) const override;
+ void writeTo(uint8_t *buf) const override;
private:
- std::vector<RuntimePseudoReloc> Relocs;
+ std::vector<RuntimePseudoReloc> relocs;
};
// MinGW specific; information about one individual location in the image
@@ -631,48 +631,48 @@
// one individual element in the PseudoRelocTableChunk table.
class RuntimePseudoReloc {
public:
- RuntimePseudoReloc(Defined *Sym, SectionChunk *Target, uint32_t TargetOffset,
- int Flags)
- : Sym(Sym), Target(Target), TargetOffset(TargetOffset), Flags(Flags) {}
+ RuntimePseudoReloc(Defined *sym, SectionChunk *target, uint32_t targetOffset,
+ int flags)
+ : sym(sym), target(target), targetOffset(targetOffset), flags(flags) {}
- Defined *Sym;
- SectionChunk *Target;
- uint32_t TargetOffset;
+ Defined *sym;
+ SectionChunk *target;
+ uint32_t targetOffset;
// The Flags field contains the size of the relocation, in bits. No other
// flags are currently defined.
- int Flags;
+ int flags;
};
// MinGW specific. A Chunk that contains one pointer-sized absolute value.
class AbsolutePointerChunk : public NonSectionChunk {
public:
- AbsolutePointerChunk(uint64_t Value) : Value(Value) {
+ AbsolutePointerChunk(uint64_t value) : value(value) {
setAlignment(getSize());
}
size_t getSize() const override;
- void writeTo(uint8_t *Buf) const override;
+ void writeTo(uint8_t *buf) const override;
private:
- uint64_t Value;
+ uint64_t value;
};
// Return true if this file has the hotpatch flag set to true in the S_COMPILE3
// record in codeview debug info. Also returns true for some thunks synthesized
// by the linker.
inline bool Chunk::isHotPatchable() const {
- if (auto *SC = dyn_cast<SectionChunk>(this))
- return SC->File->HotPatchable;
+ if (auto *sc = dyn_cast<SectionChunk>(this))
+ return sc->file->hotPatchable;
else if (isa<ImportThunkChunk>(this))
return true;
return false;
}
-void applyMOV32T(uint8_t *Off, uint32_t V);
-void applyBranch24T(uint8_t *Off, int32_t V);
+void applyMOV32T(uint8_t *off, uint32_t v);
+void applyBranch24T(uint8_t *off, int32_t v);
-void applyArm64Addr(uint8_t *Off, uint64_t S, uint64_t P, int Shift);
-void applyArm64Imm(uint8_t *Off, uint64_t Imm, uint32_t RangeLimit);
-void applyArm64Branch26(uint8_t *Off, int64_t V);
+void applyArm64Addr(uint8_t *off, uint64_t s, uint64_t p, int shift);
+void applyArm64Imm(uint8_t *off, uint64_t imm, uint32_t rangeLimit);
+void applyArm64Branch26(uint8_t *off, int64_t v);
} // namespace coff
} // namespace lld
diff --git a/lld/COFF/Config.h b/lld/COFF/Config.h
index 76ef16a..b099cd4 100644
--- a/lld/COFF/Config.h
+++ b/lld/COFF/Config.h
@@ -38,30 +38,30 @@
// Represents an /export option.
struct Export {
- StringRef Name; // N in /export:N or /export:E=N
- StringRef ExtName; // E in /export:E=N
- Symbol *Sym = nullptr;
- uint16_t Ordinal = 0;
- bool Noname = false;
- bool Data = false;
- bool Private = false;
- bool Constant = false;
+ StringRef name; // N in /export:N or /export:E=N
+ StringRef extName; // E in /export:E=N
+ Symbol *sym = nullptr;
+ uint16_t ordinal = 0;
+ bool noname = false;
+ bool data = false;
+ bool isPrivate = false;
+ bool constant = false;
// If an export is a form of /export:foo=dllname.bar, that means
// that foo should be exported as an alias to bar in the DLL.
// ForwardTo is set to "dllname.bar" part. Usually empty.
- StringRef ForwardTo;
- StringChunk *ForwardChunk = nullptr;
+ StringRef forwardTo;
+ StringChunk *forwardChunk = nullptr;
// True if this /export option was in .drectves section.
- bool Directives = false;
- StringRef SymbolName;
- StringRef ExportName; // Name in DLL
+ bool directives = false;
+ StringRef symbolName;
+ StringRef exportName; // Name in DLL
- bool operator==(const Export &E) {
- return (Name == E.Name && ExtName == E.ExtName &&
- Ordinal == E.Ordinal && Noname == E.Noname &&
- Data == E.Data && Private == E.Private);
+ bool operator==(const Export &e) {
+ return (name == e.name && extName == e.extName &&
+ ordinal == e.ordinal && noname == e.noname &&
+ data == e.data && isPrivate == e.isPrivate);
}
};
@@ -81,137 +81,137 @@
// Global configuration.
struct Configuration {
enum ManifestKind { SideBySide, Embed, No };
- bool is64() { return Machine == AMD64 || Machine == ARM64; }
+ bool is64() { return machine == AMD64 || machine == ARM64; }
- llvm::COFF::MachineTypes Machine = IMAGE_FILE_MACHINE_UNKNOWN;
- size_t Wordsize;
- bool Verbose = false;
- WindowsSubsystem Subsystem = llvm::COFF::IMAGE_SUBSYSTEM_UNKNOWN;
- Symbol *Entry = nullptr;
- bool NoEntry = false;
- std::string OutputFile;
- std::string ImportName;
- bool Demangle = true;
- bool DoGC = true;
- bool DoICF = true;
- bool TailMerge;
- bool Relocatable = true;
- bool ForceMultiple = false;
- bool ForceMultipleRes = false;
- bool ForceUnresolved = false;
- bool Debug = false;
- bool DebugDwarf = false;
- bool DebugGHashes = false;
- bool DebugSymtab = false;
- bool ShowTiming = false;
- bool ShowSummary = false;
- unsigned DebugTypes = static_cast<unsigned>(DebugType::None);
- std::vector<std::string> NatvisFiles;
- llvm::SmallString<128> PDBAltPath;
- llvm::SmallString<128> PDBPath;
- llvm::SmallString<128> PDBSourcePath;
- std::vector<llvm::StringRef> Argv;
+ llvm::COFF::MachineTypes machine = IMAGE_FILE_MACHINE_UNKNOWN;
+ size_t wordsize;
+ bool verbose = false;
+ WindowsSubsystem subsystem = llvm::COFF::IMAGE_SUBSYSTEM_UNKNOWN;
+ Symbol *entry = nullptr;
+ bool noEntry = false;
+ std::string outputFile;
+ std::string importName;
+ bool demangle = true;
+ bool doGC = true;
+ bool doICF = true;
+ bool tailMerge;
+ bool relocatable = true;
+ bool forceMultiple = false;
+ bool forceMultipleRes = false;
+ bool forceUnresolved = false;
+ bool debug = false;
+ bool debugDwarf = false;
+ bool debugGHashes = false;
+ bool debugSymtab = false;
+ bool showTiming = false;
+ bool showSummary = false;
+ unsigned debugTypes = static_cast<unsigned>(DebugType::None);
+ std::vector<std::string> natvisFiles;
+ llvm::SmallString<128> pdbAltPath;
+ llvm::SmallString<128> pdbPath;
+ llvm::SmallString<128> pdbSourcePath;
+ std::vector<llvm::StringRef> argv;
// Symbols in this set are considered as live by the garbage collector.
- std::vector<Symbol *> GCRoot;
+ std::vector<Symbol *> gCRoot;
- std::set<std::string> NoDefaultLibs;
- bool NoDefaultLibAll = false;
+ std::set<std::string> noDefaultLibs;
+ bool noDefaultLibAll = false;
// True if we are creating a DLL.
- bool DLL = false;
- StringRef Implib;
- std::vector<Export> Exports;
- std::set<std::string> DelayLoads;
- std::map<std::string, int> DLLOrder;
- Symbol *DelayLoadHelper = nullptr;
+ bool dll = false;
+ StringRef implib;
+ std::vector<Export> exports;
+ std::set<std::string> delayLoads;
+ std::map<std::string, int> dllOrder;
+ Symbol *delayLoadHelper = nullptr;
- bool SaveTemps = false;
+ bool saveTemps = false;
// /guard:cf
- GuardCFLevel GuardCF = GuardCFLevel::Off;
+ GuardCFLevel guardCF = GuardCFLevel::Off;
// Used for SafeSEH.
- Symbol *SEHTable = nullptr;
- Symbol *SEHCount = nullptr;
+ Symbol *sehTable = nullptr;
+ Symbol *sehCount = nullptr;
// Used for /opt:lldlto=N
- unsigned LTOO = 2;
+ unsigned ltoo = 2;
// Used for /opt:lldltojobs=N
- unsigned ThinLTOJobs = 0;
+ unsigned thinLTOJobs = 0;
// Used for /opt:lldltopartitions=N
- unsigned LTOPartitions = 1;
+ unsigned ltoPartitions = 1;
// Used for /opt:lldltocache=path
- StringRef LTOCache;
+ StringRef ltoCache;
// Used for /opt:lldltocachepolicy=policy
- llvm::CachePruningPolicy LTOCachePolicy;
+ llvm::CachePruningPolicy ltoCachePolicy;
// Used for /merge:from=to (e.g. /merge:.rdata=.text)
- std::map<StringRef, StringRef> Merge;
+ std::map<StringRef, StringRef> merge;
// Used for /section=.name,{DEKPRSW} to set section attributes.
- std::map<StringRef, uint32_t> Section;
+ std::map<StringRef, uint32_t> section;
// Options for manifest files.
- ManifestKind Manifest = No;
- int ManifestID = 1;
- StringRef ManifestDependency;
- bool ManifestUAC = true;
- std::vector<std::string> ManifestInput;
- StringRef ManifestLevel = "'asInvoker'";
- StringRef ManifestUIAccess = "'false'";
- StringRef ManifestFile;
+ ManifestKind manifest = No;
+ int manifestID = 1;
+ StringRef manifestDependency;
+ bool manifestUAC = true;
+ std::vector<std::string> manifestInput;
+ StringRef manifestLevel = "'asInvoker'";
+ StringRef manifestUIAccess = "'false'";
+ StringRef manifestFile;
// Used for /aligncomm.
- std::map<std::string, int> AlignComm;
+ std::map<std::string, int> alignComm;
// Used for /failifmismatch.
- std::map<StringRef, std::pair<StringRef, InputFile *>> MustMatch;
+ std::map<StringRef, std::pair<StringRef, InputFile *>> mustMatch;
// Used for /alternatename.
- std::map<StringRef, StringRef> AlternateNames;
+ std::map<StringRef, StringRef> alternateNames;
// Used for /order.
- llvm::StringMap<int> Order;
+ llvm::StringMap<int> order;
// Used for /lldmap.
- std::string MapFile;
+ std::string mapFile;
- uint64_t ImageBase = -1;
- uint64_t FileAlign = 512;
- uint64_t StackReserve = 1024 * 1024;
- uint64_t StackCommit = 4096;
- uint64_t HeapReserve = 1024 * 1024;
- uint64_t HeapCommit = 4096;
- uint32_t MajorImageVersion = 0;
- uint32_t MinorImageVersion = 0;
- uint32_t MajorOSVersion = 6;
- uint32_t MinorOSVersion = 0;
- uint32_t Timestamp = 0;
- uint32_t FunctionPadMin = 0;
- bool DynamicBase = true;
- bool AllowBind = true;
- bool NxCompat = true;
- bool AllowIsolation = true;
- bool TerminalServerAware = true;
- bool LargeAddressAware = false;
- bool HighEntropyVA = false;
- bool AppContainer = false;
- bool MinGW = false;
- bool WarnMissingOrderSymbol = true;
- bool WarnLocallyDefinedImported = true;
- bool WarnDebugInfoUnusable = true;
- bool Incremental = true;
- bool IntegrityCheck = false;
- bool KillAt = false;
- bool Repro = false;
- bool SwaprunCD = false;
- bool SwaprunNet = false;
+ uint64_t imageBase = -1;
+ uint64_t fileAlign = 512;
+ uint64_t stackReserve = 1024 * 1024;
+ uint64_t stackCommit = 4096;
+ uint64_t heapReserve = 1024 * 1024;
+ uint64_t heapCommit = 4096;
+ uint32_t majorImageVersion = 0;
+ uint32_t minorImageVersion = 0;
+ uint32_t majorOSVersion = 6;
+ uint32_t minorOSVersion = 0;
+ uint32_t timestamp = 0;
+ uint32_t functionPadMin = 0;
+ bool dynamicBase = true;
+ bool allowBind = true;
+ bool nxCompat = true;
+ bool allowIsolation = true;
+ bool terminalServerAware = true;
+ bool largeAddressAware = false;
+ bool highEntropyVA = false;
+ bool appContainer = false;
+ bool mingw = false;
+ bool warnMissingOrderSymbol = true;
+ bool warnLocallyDefinedImported = true;
+ bool warnDebugInfoUnusable = true;
+ bool incremental = true;
+ bool integrityCheck = false;
+ bool killAt = false;
+ bool repro = false;
+ bool swaprunCD = false;
+ bool swaprunNet = false;
};
-extern Configuration *Config;
+extern Configuration *config;
} // namespace coff
} // namespace lld
diff --git a/lld/COFF/DLL.cpp b/lld/COFF/DLL.cpp
index 769f02e..bdc5bcb 100644
--- a/lld/COFF/DLL.cpp
+++ b/lld/COFF/DLL.cpp
@@ -37,41 +37,41 @@
// A chunk for the import descriptor table.
class HintNameChunk : public NonSectionChunk {
public:
- HintNameChunk(StringRef N, uint16_t H) : Name(N), Hint(H) {}
+ HintNameChunk(StringRef n, uint16_t h) : name(n), hint(h) {}
size_t getSize() const override {
// Starts with 2 byte Hint field, followed by a null-terminated string,
// ends with 0 or 1 byte padding.
- return alignTo(Name.size() + 3, 2);
+ return alignTo(name.size() + 3, 2);
}
- void writeTo(uint8_t *Buf) const override {
- memset(Buf, 0, getSize());
- write16le(Buf, Hint);
- memcpy(Buf + 2, Name.data(), Name.size());
+ void writeTo(uint8_t *buf) const override {
+ memset(buf, 0, getSize());
+ write16le(buf, hint);
+ memcpy(buf + 2, name.data(), name.size());
}
private:
- StringRef Name;
- uint16_t Hint;
+ StringRef name;
+ uint16_t hint;
};
// A chunk for the import descriptor table.
class LookupChunk : public NonSectionChunk {
public:
- explicit LookupChunk(Chunk *C) : HintName(C) {
- setAlignment(Config->Wordsize);
+ explicit LookupChunk(Chunk *c) : hintName(c) {
+ setAlignment(config->wordsize);
}
- size_t getSize() const override { return Config->Wordsize; }
+ size_t getSize() const override { return config->wordsize; }
- void writeTo(uint8_t *Buf) const override {
- if (Config->is64())
- write64le(Buf, HintName->getRVA());
+ void writeTo(uint8_t *buf) const override {
+ if (config->is64())
+ write64le(buf, hintName->getRVA());
else
- write32le(Buf, HintName->getRVA());
+ write32le(buf, hintName->getRVA());
}
- Chunk *HintName;
+ Chunk *hintName;
};
// A chunk for the import descriptor table.
@@ -79,82 +79,82 @@
// See Microsoft PE/COFF spec 7.1. Import Header for details.
class OrdinalOnlyChunk : public NonSectionChunk {
public:
- explicit OrdinalOnlyChunk(uint16_t V) : Ordinal(V) {
- setAlignment(Config->Wordsize);
+ explicit OrdinalOnlyChunk(uint16_t v) : ordinal(v) {
+ setAlignment(config->wordsize);
}
- size_t getSize() const override { return Config->Wordsize; }
+ size_t getSize() const override { return config->wordsize; }
- void writeTo(uint8_t *Buf) const override {
+ void writeTo(uint8_t *buf) const override {
// An import-by-ordinal slot has MSB 1 to indicate that
// this is import-by-ordinal (and not import-by-name).
- if (Config->is64()) {
- write64le(Buf, (1ULL << 63) | Ordinal);
+ if (config->is64()) {
+ write64le(buf, (1ULL << 63) | ordinal);
} else {
- write32le(Buf, (1ULL << 31) | Ordinal);
+ write32le(buf, (1ULL << 31) | ordinal);
}
}
- uint16_t Ordinal;
+ uint16_t ordinal;
};
// A chunk for the import descriptor table.
class ImportDirectoryChunk : public NonSectionChunk {
public:
- explicit ImportDirectoryChunk(Chunk *N) : DLLName(N) {}
+ explicit ImportDirectoryChunk(Chunk *n) : dllName(n) {}
size_t getSize() const override { return sizeof(ImportDirectoryTableEntry); }
- void writeTo(uint8_t *Buf) const override {
- memset(Buf, 0, getSize());
+ void writeTo(uint8_t *buf) const override {
+ memset(buf, 0, getSize());
- auto *E = (coff_import_directory_table_entry *)(Buf);
- E->ImportLookupTableRVA = LookupTab->getRVA();
- E->NameRVA = DLLName->getRVA();
- E->ImportAddressTableRVA = AddressTab->getRVA();
+ auto *e = (coff_import_directory_table_entry *)(buf);
+ e->ImportLookupTableRVA = lookupTab->getRVA();
+ e->NameRVA = dllName->getRVA();
+ e->ImportAddressTableRVA = addressTab->getRVA();
}
- Chunk *DLLName;
- Chunk *LookupTab;
- Chunk *AddressTab;
+ Chunk *dllName;
+ Chunk *lookupTab;
+ Chunk *addressTab;
};
// A chunk representing null terminator in the import table.
// Contents of this chunk is always null bytes.
class NullChunk : public NonSectionChunk {
public:
- explicit NullChunk(size_t N) : Size(N) { HasData = false; }
- size_t getSize() const override { return Size; }
+ explicit NullChunk(size_t n) : size(n) { hasData = false; }
+ size_t getSize() const override { return size; }
- void writeTo(uint8_t *Buf) const override {
- memset(Buf, 0, Size);
+ void writeTo(uint8_t *buf) const override {
+ memset(buf, 0, size);
}
private:
- size_t Size;
+ size_t size;
};
static std::vector<std::vector<DefinedImportData *>>
-binImports(const std::vector<DefinedImportData *> &Imports) {
+binImports(const std::vector<DefinedImportData *> &imports) {
// Group DLL-imported symbols by DLL name because that's how
// symbols are layed out in the import descriptor table.
- auto Less = [](const std::string &A, const std::string &B) {
- return Config->DLLOrder[A] < Config->DLLOrder[B];
+ auto less = [](const std::string &a, const std::string &b) {
+ return config->dllOrder[a] < config->dllOrder[b];
};
std::map<std::string, std::vector<DefinedImportData *>,
- bool(*)(const std::string &, const std::string &)> M(Less);
- for (DefinedImportData *Sym : Imports)
- M[Sym->getDLLName().lower()].push_back(Sym);
+ bool(*)(const std::string &, const std::string &)> m(less);
+ for (DefinedImportData *sym : imports)
+ m[sym->getDLLName().lower()].push_back(sym);
- std::vector<std::vector<DefinedImportData *>> V;
- for (auto &KV : M) {
+ std::vector<std::vector<DefinedImportData *>> v;
+ for (auto &kv : m) {
// Sort symbols by name for each group.
- std::vector<DefinedImportData *> &Syms = KV.second;
- std::sort(Syms.begin(), Syms.end(),
- [](DefinedImportData *A, DefinedImportData *B) {
- return A->getName() < B->getName();
+ std::vector<DefinedImportData *> &syms = kv.second;
+ std::sort(syms.begin(), syms.end(),
+ [](DefinedImportData *a, DefinedImportData *b) {
+ return a->getName() < b->getName();
});
- V.push_back(std::move(Syms));
+ v.push_back(std::move(syms));
}
- return V;
+ return v;
}
// Export table
@@ -163,34 +163,34 @@
// A chunk for the delay import descriptor table etnry.
class DelayDirectoryChunk : public NonSectionChunk {
public:
- explicit DelayDirectoryChunk(Chunk *N) : DLLName(N) {}
+ explicit DelayDirectoryChunk(Chunk *n) : dllName(n) {}
size_t getSize() const override {
return sizeof(delay_import_directory_table_entry);
}
- void writeTo(uint8_t *Buf) const override {
- memset(Buf, 0, getSize());
+ void writeTo(uint8_t *buf) const override {
+ memset(buf, 0, getSize());
- auto *E = (delay_import_directory_table_entry *)(Buf);
- E->Attributes = 1;
- E->Name = DLLName->getRVA();
- E->ModuleHandle = ModuleHandle->getRVA();
- E->DelayImportAddressTable = AddressTab->getRVA();
- E->DelayImportNameTable = NameTab->getRVA();
+ auto *e = (delay_import_directory_table_entry *)(buf);
+ e->Attributes = 1;
+ e->Name = dllName->getRVA();
+ e->ModuleHandle = moduleHandle->getRVA();
+ e->DelayImportAddressTable = addressTab->getRVA();
+ e->DelayImportNameTable = nameTab->getRVA();
}
- Chunk *DLLName;
- Chunk *ModuleHandle;
- Chunk *AddressTab;
- Chunk *NameTab;
+ Chunk *dllName;
+ Chunk *moduleHandle;
+ Chunk *addressTab;
+ Chunk *nameTab;
};
// Initial contents for delay-loaded functions.
// This code calls __delayLoadHelper2 function to resolve a symbol
// and then overwrites its jump table slot with the result
// for subsequent function calls.
-static const uint8_t ThunkX64[] = {
+static const uint8_t thunkX64[] = {
0x51, // push rcx
0x52, // push rdx
0x41, 0x50, // push r8
@@ -215,7 +215,7 @@
0xFF, 0xE0, // jmp rax
};
-static const uint8_t ThunkX86[] = {
+static const uint8_t thunkX86[] = {
0x51, // push ecx
0x52, // push edx
0x68, 0, 0, 0, 0, // push offset ___imp__<FUNCNAME>
@@ -226,7 +226,7 @@
0xFF, 0xE0, // jmp eax
};
-static const uint8_t ThunkARM[] = {
+static const uint8_t thunkARM[] = {
0x40, 0xf2, 0x00, 0x0c, // mov.w ip, #0 __imp_<FUNCNAME>
0xc0, 0xf2, 0x00, 0x0c, // mov.t ip, #0 __imp_<FUNCNAME>
0x2d, 0xe9, 0x0f, 0x48, // push.w {r0, r1, r2, r3, r11, lr}
@@ -242,7 +242,7 @@
0x60, 0x47, // bx ip
};
-static const uint8_t ThunkARM64[] = {
+static const uint8_t thunkARM64[] = {
0x11, 0x00, 0x00, 0x90, // adrp x17, #0 __imp_<FUNCNAME>
0x31, 0x02, 0x00, 0x91, // add x17, x17, #0 :lo12:__imp_<FUNCNAME>
0xfd, 0x7b, 0xb3, 0xa9, // stp x29, x30, [sp, #-208]!
@@ -275,117 +275,117 @@
// A chunk for the delay import thunk.
class ThunkChunkX64 : public NonSectionChunk {
public:
- ThunkChunkX64(Defined *I, Chunk *D, Defined *H)
- : Imp(I), Desc(D), Helper(H) {}
+ ThunkChunkX64(Defined *i, Chunk *d, Defined *h)
+ : imp(i), desc(d), helper(h) {}
- size_t getSize() const override { return sizeof(ThunkX64); }
+ size_t getSize() const override { return sizeof(thunkX64); }
- void writeTo(uint8_t *Buf) const override {
- memcpy(Buf, ThunkX64, sizeof(ThunkX64));
- write32le(Buf + 36, Imp->getRVA() - RVA - 40);
- write32le(Buf + 43, Desc->getRVA() - RVA - 47);
- write32le(Buf + 48, Helper->getRVA() - RVA - 52);
+ void writeTo(uint8_t *buf) const override {
+ memcpy(buf, thunkX64, sizeof(thunkX64));
+ write32le(buf + 36, imp->getRVA() - rva - 40);
+ write32le(buf + 43, desc->getRVA() - rva - 47);
+ write32le(buf + 48, helper->getRVA() - rva - 52);
}
- Defined *Imp = nullptr;
- Chunk *Desc = nullptr;
- Defined *Helper = nullptr;
+ Defined *imp = nullptr;
+ Chunk *desc = nullptr;
+ Defined *helper = nullptr;
};
class ThunkChunkX86 : public NonSectionChunk {
public:
- ThunkChunkX86(Defined *I, Chunk *D, Defined *H)
- : Imp(I), Desc(D), Helper(H) {}
+ ThunkChunkX86(Defined *i, Chunk *d, Defined *h)
+ : imp(i), desc(d), helper(h) {}
- size_t getSize() const override { return sizeof(ThunkX86); }
+ size_t getSize() const override { return sizeof(thunkX86); }
- void writeTo(uint8_t *Buf) const override {
- memcpy(Buf, ThunkX86, sizeof(ThunkX86));
- write32le(Buf + 3, Imp->getRVA() + Config->ImageBase);
- write32le(Buf + 8, Desc->getRVA() + Config->ImageBase);
- write32le(Buf + 13, Helper->getRVA() - RVA - 17);
+ void writeTo(uint8_t *buf) const override {
+ memcpy(buf, thunkX86, sizeof(thunkX86));
+ write32le(buf + 3, imp->getRVA() + config->imageBase);
+ write32le(buf + 8, desc->getRVA() + config->imageBase);
+ write32le(buf + 13, helper->getRVA() - rva - 17);
}
- void getBaserels(std::vector<Baserel> *Res) override {
- Res->emplace_back(RVA + 3);
- Res->emplace_back(RVA + 8);
+ void getBaserels(std::vector<Baserel> *res) override {
+ res->emplace_back(rva + 3);
+ res->emplace_back(rva + 8);
}
- Defined *Imp = nullptr;
- Chunk *Desc = nullptr;
- Defined *Helper = nullptr;
+ Defined *imp = nullptr;
+ Chunk *desc = nullptr;
+ Defined *helper = nullptr;
};
class ThunkChunkARM : public NonSectionChunk {
public:
- ThunkChunkARM(Defined *I, Chunk *D, Defined *H)
- : Imp(I), Desc(D), Helper(H) {}
+ ThunkChunkARM(Defined *i, Chunk *d, Defined *h)
+ : imp(i), desc(d), helper(h) {}
- size_t getSize() const override { return sizeof(ThunkARM); }
+ size_t getSize() const override { return sizeof(thunkARM); }
- void writeTo(uint8_t *Buf) const override {
- memcpy(Buf, ThunkARM, sizeof(ThunkARM));
- applyMOV32T(Buf + 0, Imp->getRVA() + Config->ImageBase);
- applyMOV32T(Buf + 22, Desc->getRVA() + Config->ImageBase);
- applyBranch24T(Buf + 30, Helper->getRVA() - RVA - 34);
+ void writeTo(uint8_t *buf) const override {
+ memcpy(buf, thunkARM, sizeof(thunkARM));
+ applyMOV32T(buf + 0, imp->getRVA() + config->imageBase);
+ applyMOV32T(buf + 22, desc->getRVA() + config->imageBase);
+ applyBranch24T(buf + 30, helper->getRVA() - rva - 34);
}
- void getBaserels(std::vector<Baserel> *Res) override {
- Res->emplace_back(RVA + 0, IMAGE_REL_BASED_ARM_MOV32T);
- Res->emplace_back(RVA + 22, IMAGE_REL_BASED_ARM_MOV32T);
+ void getBaserels(std::vector<Baserel> *res) override {
+ res->emplace_back(rva + 0, IMAGE_REL_BASED_ARM_MOV32T);
+ res->emplace_back(rva + 22, IMAGE_REL_BASED_ARM_MOV32T);
}
- Defined *Imp = nullptr;
- Chunk *Desc = nullptr;
- Defined *Helper = nullptr;
+ Defined *imp = nullptr;
+ Chunk *desc = nullptr;
+ Defined *helper = nullptr;
};
class ThunkChunkARM64 : public NonSectionChunk {
public:
- ThunkChunkARM64(Defined *I, Chunk *D, Defined *H)
- : Imp(I), Desc(D), Helper(H) {}
+ ThunkChunkARM64(Defined *i, Chunk *d, Defined *h)
+ : imp(i), desc(d), helper(h) {}
- size_t getSize() const override { return sizeof(ThunkARM64); }
+ size_t getSize() const override { return sizeof(thunkARM64); }
- void writeTo(uint8_t *Buf) const override {
- memcpy(Buf, ThunkARM64, sizeof(ThunkARM64));
- applyArm64Addr(Buf + 0, Imp->getRVA(), RVA + 0, 12);
- applyArm64Imm(Buf + 4, Imp->getRVA() & 0xfff, 0);
- applyArm64Addr(Buf + 52, Desc->getRVA(), RVA + 52, 12);
- applyArm64Imm(Buf + 56, Desc->getRVA() & 0xfff, 0);
- applyArm64Branch26(Buf + 60, Helper->getRVA() - RVA - 60);
+ void writeTo(uint8_t *buf) const override {
+ memcpy(buf, thunkARM64, sizeof(thunkARM64));
+ applyArm64Addr(buf + 0, imp->getRVA(), rva + 0, 12);
+ applyArm64Imm(buf + 4, imp->getRVA() & 0xfff, 0);
+ applyArm64Addr(buf + 52, desc->getRVA(), rva + 52, 12);
+ applyArm64Imm(buf + 56, desc->getRVA() & 0xfff, 0);
+ applyArm64Branch26(buf + 60, helper->getRVA() - rva - 60);
}
- Defined *Imp = nullptr;
- Chunk *Desc = nullptr;
- Defined *Helper = nullptr;
+ Defined *imp = nullptr;
+ Chunk *desc = nullptr;
+ Defined *helper = nullptr;
};
// A chunk for the import descriptor table.
class DelayAddressChunk : public NonSectionChunk {
public:
- explicit DelayAddressChunk(Chunk *C) : Thunk(C) {
- setAlignment(Config->Wordsize);
+ explicit DelayAddressChunk(Chunk *c) : thunk(c) {
+ setAlignment(config->wordsize);
}
- size_t getSize() const override { return Config->Wordsize; }
+ size_t getSize() const override { return config->wordsize; }
- void writeTo(uint8_t *Buf) const override {
- if (Config->is64()) {
- write64le(Buf, Thunk->getRVA() + Config->ImageBase);
+ void writeTo(uint8_t *buf) const override {
+ if (config->is64()) {
+ write64le(buf, thunk->getRVA() + config->imageBase);
} else {
- uint32_t Bit = 0;
+ uint32_t bit = 0;
// Pointer to thumb code must have the LSB set, so adjust it.
- if (Config->Machine == ARMNT)
- Bit = 1;
- write32le(Buf, (Thunk->getRVA() + Config->ImageBase) | Bit);
+ if (config->machine == ARMNT)
+ bit = 1;
+ write32le(buf, (thunk->getRVA() + config->imageBase) | bit);
}
}
- void getBaserels(std::vector<Baserel> *Res) override {
- Res->emplace_back(RVA);
+ void getBaserels(std::vector<Baserel> *res) override {
+ res->emplace_back(rva);
}
- Chunk *Thunk;
+ Chunk *thunk;
};
// Export table
@@ -394,248 +394,248 @@
// A chunk for the export descriptor table.
class ExportDirectoryChunk : public NonSectionChunk {
public:
- ExportDirectoryChunk(int I, int J, Chunk *D, Chunk *A, Chunk *N, Chunk *O)
- : MaxOrdinal(I), NameTabSize(J), DLLName(D), AddressTab(A), NameTab(N),
- OrdinalTab(O) {}
+ ExportDirectoryChunk(int i, int j, Chunk *d, Chunk *a, Chunk *n, Chunk *o)
+ : maxOrdinal(i), nameTabSize(j), dllName(d), addressTab(a), nameTab(n),
+ ordinalTab(o) {}
size_t getSize() const override {
return sizeof(export_directory_table_entry);
}
- void writeTo(uint8_t *Buf) const override {
- memset(Buf, 0, getSize());
+ void writeTo(uint8_t *buf) const override {
+ memset(buf, 0, getSize());
- auto *E = (export_directory_table_entry *)(Buf);
- E->NameRVA = DLLName->getRVA();
- E->OrdinalBase = 0;
- E->AddressTableEntries = MaxOrdinal + 1;
- E->NumberOfNamePointers = NameTabSize;
- E->ExportAddressTableRVA = AddressTab->getRVA();
- E->NamePointerRVA = NameTab->getRVA();
- E->OrdinalTableRVA = OrdinalTab->getRVA();
+ auto *e = (export_directory_table_entry *)(buf);
+ e->NameRVA = dllName->getRVA();
+ e->OrdinalBase = 0;
+ e->AddressTableEntries = maxOrdinal + 1;
+ e->NumberOfNamePointers = nameTabSize;
+ e->ExportAddressTableRVA = addressTab->getRVA();
+ e->NamePointerRVA = nameTab->getRVA();
+ e->OrdinalTableRVA = ordinalTab->getRVA();
}
- uint16_t MaxOrdinal;
- uint16_t NameTabSize;
- Chunk *DLLName;
- Chunk *AddressTab;
- Chunk *NameTab;
- Chunk *OrdinalTab;
+ uint16_t maxOrdinal;
+ uint16_t nameTabSize;
+ Chunk *dllName;
+ Chunk *addressTab;
+ Chunk *nameTab;
+ Chunk *ordinalTab;
};
class AddressTableChunk : public NonSectionChunk {
public:
- explicit AddressTableChunk(size_t MaxOrdinal) : Size(MaxOrdinal + 1) {}
- size_t getSize() const override { return Size * 4; }
+ explicit AddressTableChunk(size_t maxOrdinal) : size(maxOrdinal + 1) {}
+ size_t getSize() const override { return size * 4; }
- void writeTo(uint8_t *Buf) const override {
- memset(Buf, 0, getSize());
+ void writeTo(uint8_t *buf) const override {
+ memset(buf, 0, getSize());
- for (const Export &E : Config->Exports) {
- uint8_t *P = Buf + E.Ordinal * 4;
- uint32_t Bit = 0;
+ for (const Export &e : config->exports) {
+ uint8_t *p = buf + e.ordinal * 4;
+ uint32_t bit = 0;
// Pointer to thumb code must have the LSB set, so adjust it.
- if (Config->Machine == ARMNT && !E.Data)
- Bit = 1;
- if (E.ForwardChunk) {
- write32le(P, E.ForwardChunk->getRVA() | Bit);
+ if (config->machine == ARMNT && !e.data)
+ bit = 1;
+ if (e.forwardChunk) {
+ write32le(p, e.forwardChunk->getRVA() | bit);
} else {
- write32le(P, cast<Defined>(E.Sym)->getRVA() | Bit);
+ write32le(p, cast<Defined>(e.sym)->getRVA() | bit);
}
}
}
private:
- size_t Size;
+ size_t size;
};
class NamePointersChunk : public NonSectionChunk {
public:
- explicit NamePointersChunk(std::vector<Chunk *> &V) : Chunks(V) {}
- size_t getSize() const override { return Chunks.size() * 4; }
+ explicit NamePointersChunk(std::vector<Chunk *> &v) : chunks(v) {}
+ size_t getSize() const override { return chunks.size() * 4; }
- void writeTo(uint8_t *Buf) const override {
- for (Chunk *C : Chunks) {
- write32le(Buf, C->getRVA());
- Buf += 4;
+ void writeTo(uint8_t *buf) const override {
+ for (Chunk *c : chunks) {
+ write32le(buf, c->getRVA());
+ buf += 4;
}
}
private:
- std::vector<Chunk *> Chunks;
+ std::vector<Chunk *> chunks;
};
class ExportOrdinalChunk : public NonSectionChunk {
public:
- explicit ExportOrdinalChunk(size_t I) : Size(I) {}
- size_t getSize() const override { return Size * 2; }
+ explicit ExportOrdinalChunk(size_t i) : size(i) {}
+ size_t getSize() const override { return size * 2; }
- void writeTo(uint8_t *Buf) const override {
- for (Export &E : Config->Exports) {
- if (E.Noname)
+ void writeTo(uint8_t *buf) const override {
+ for (Export &e : config->exports) {
+ if (e.noname)
continue;
- write16le(Buf, E.Ordinal);
- Buf += 2;
+ write16le(buf, e.ordinal);
+ buf += 2;
}
}
private:
- size_t Size;
+ size_t size;
};
} // anonymous namespace
void IdataContents::create() {
- std::vector<std::vector<DefinedImportData *>> V = binImports(Imports);
+ std::vector<std::vector<DefinedImportData *>> v = binImports(imports);
// Create .idata contents for each DLL.
- for (std::vector<DefinedImportData *> &Syms : V) {
+ for (std::vector<DefinedImportData *> &syms : v) {
// Create lookup and address tables. If they have external names,
// we need to create HintName chunks to store the names.
// If they don't (if they are import-by-ordinals), we store only
// ordinal values to the table.
- size_t Base = Lookups.size();
- for (DefinedImportData *S : Syms) {
- uint16_t Ord = S->getOrdinal();
- if (S->getExternalName().empty()) {
- Lookups.push_back(make<OrdinalOnlyChunk>(Ord));
- Addresses.push_back(make<OrdinalOnlyChunk>(Ord));
+ size_t base = lookups.size();
+ for (DefinedImportData *s : syms) {
+ uint16_t ord = s->getOrdinal();
+ if (s->getExternalName().empty()) {
+ lookups.push_back(make<OrdinalOnlyChunk>(ord));
+ addresses.push_back(make<OrdinalOnlyChunk>(ord));
continue;
}
- auto *C = make<HintNameChunk>(S->getExternalName(), Ord);
- Lookups.push_back(make<LookupChunk>(C));
- Addresses.push_back(make<LookupChunk>(C));
- Hints.push_back(C);
+ auto *c = make<HintNameChunk>(s->getExternalName(), ord);
+ lookups.push_back(make<LookupChunk>(c));
+ addresses.push_back(make<LookupChunk>(c));
+ hints.push_back(c);
}
// Terminate with null values.
- Lookups.push_back(make<NullChunk>(Config->Wordsize));
- Addresses.push_back(make<NullChunk>(Config->Wordsize));
+ lookups.push_back(make<NullChunk>(config->wordsize));
+ addresses.push_back(make<NullChunk>(config->wordsize));
- for (int I = 0, E = Syms.size(); I < E; ++I)
- Syms[I]->setLocation(Addresses[Base + I]);
+ for (int i = 0, e = syms.size(); i < e; ++i)
+ syms[i]->setLocation(addresses[base + i]);
// Create the import table header.
- DLLNames.push_back(make<StringChunk>(Syms[0]->getDLLName()));
- auto *Dir = make<ImportDirectoryChunk>(DLLNames.back());
- Dir->LookupTab = Lookups[Base];
- Dir->AddressTab = Addresses[Base];
- Dirs.push_back(Dir);
+ dllNames.push_back(make<StringChunk>(syms[0]->getDLLName()));
+ auto *dir = make<ImportDirectoryChunk>(dllNames.back());
+ dir->lookupTab = lookups[base];
+ dir->addressTab = addresses[base];
+ dirs.push_back(dir);
}
// Add null terminator.
- Dirs.push_back(make<NullChunk>(sizeof(ImportDirectoryTableEntry)));
+ dirs.push_back(make<NullChunk>(sizeof(ImportDirectoryTableEntry)));
}
std::vector<Chunk *> DelayLoadContents::getChunks() {
- std::vector<Chunk *> V;
- V.insert(V.end(), Dirs.begin(), Dirs.end());
- V.insert(V.end(), Names.begin(), Names.end());
- V.insert(V.end(), HintNames.begin(), HintNames.end());
- V.insert(V.end(), DLLNames.begin(), DLLNames.end());
- return V;
+ std::vector<Chunk *> v;
+ v.insert(v.end(), dirs.begin(), dirs.end());
+ v.insert(v.end(), names.begin(), names.end());
+ v.insert(v.end(), hintNames.begin(), hintNames.end());
+ v.insert(v.end(), dllNames.begin(), dllNames.end());
+ return v;
}
std::vector<Chunk *> DelayLoadContents::getDataChunks() {
- std::vector<Chunk *> V;
- V.insert(V.end(), ModuleHandles.begin(), ModuleHandles.end());
- V.insert(V.end(), Addresses.begin(), Addresses.end());
- return V;
+ std::vector<Chunk *> v;
+ v.insert(v.end(), moduleHandles.begin(), moduleHandles.end());
+ v.insert(v.end(), addresses.begin(), addresses.end());
+ return v;
}
uint64_t DelayLoadContents::getDirSize() {
- return Dirs.size() * sizeof(delay_import_directory_table_entry);
+ return dirs.size() * sizeof(delay_import_directory_table_entry);
}
-void DelayLoadContents::create(Defined *H) {
- Helper = H;
- std::vector<std::vector<DefinedImportData *>> V = binImports(Imports);
+void DelayLoadContents::create(Defined *h) {
+ helper = h;
+ std::vector<std::vector<DefinedImportData *>> v = binImports(imports);
// Create .didat contents for each DLL.
- for (std::vector<DefinedImportData *> &Syms : V) {
+ for (std::vector<DefinedImportData *> &syms : v) {
// Create the delay import table header.
- DLLNames.push_back(make<StringChunk>(Syms[0]->getDLLName()));
- auto *Dir = make<DelayDirectoryChunk>(DLLNames.back());
+ dllNames.push_back(make<StringChunk>(syms[0]->getDLLName()));
+ auto *dir = make<DelayDirectoryChunk>(dllNames.back());
- size_t Base = Addresses.size();
- for (DefinedImportData *S : Syms) {
- Chunk *T = newThunkChunk(S, Dir);
- auto *A = make<DelayAddressChunk>(T);
- Addresses.push_back(A);
- Thunks.push_back(T);
- StringRef ExtName = S->getExternalName();
- if (ExtName.empty()) {
- Names.push_back(make<OrdinalOnlyChunk>(S->getOrdinal()));
+ size_t base = addresses.size();
+ for (DefinedImportData *s : syms) {
+ Chunk *t = newThunkChunk(s, dir);
+ auto *a = make<DelayAddressChunk>(t);
+ addresses.push_back(a);
+ thunks.push_back(t);
+ StringRef extName = s->getExternalName();
+ if (extName.empty()) {
+ names.push_back(make<OrdinalOnlyChunk>(s->getOrdinal()));
} else {
- auto *C = make<HintNameChunk>(ExtName, 0);
- Names.push_back(make<LookupChunk>(C));
- HintNames.push_back(C);
+ auto *c = make<HintNameChunk>(extName, 0);
+ names.push_back(make<LookupChunk>(c));
+ hintNames.push_back(c);
}
}
// Terminate with null values.
- Addresses.push_back(make<NullChunk>(8));
- Names.push_back(make<NullChunk>(8));
+ addresses.push_back(make<NullChunk>(8));
+ names.push_back(make<NullChunk>(8));
- for (int I = 0, E = Syms.size(); I < E; ++I)
- Syms[I]->setLocation(Addresses[Base + I]);
- auto *MH = make<NullChunk>(8);
- MH->setAlignment(8);
- ModuleHandles.push_back(MH);
+ for (int i = 0, e = syms.size(); i < e; ++i)
+ syms[i]->setLocation(addresses[base + i]);
+ auto *mh = make<NullChunk>(8);
+ mh->setAlignment(8);
+ moduleHandles.push_back(mh);
// Fill the delay import table header fields.
- Dir->ModuleHandle = MH;
- Dir->AddressTab = Addresses[Base];
- Dir->NameTab = Names[Base];
- Dirs.push_back(Dir);
+ dir->moduleHandle = mh;
+ dir->addressTab = addresses[base];
+ dir->nameTab = names[base];
+ dirs.push_back(dir);
}
// Add null terminator.
- Dirs.push_back(make<NullChunk>(sizeof(delay_import_directory_table_entry)));
+ dirs.push_back(make<NullChunk>(sizeof(delay_import_directory_table_entry)));
}
-Chunk *DelayLoadContents::newThunkChunk(DefinedImportData *S, Chunk *Dir) {
- switch (Config->Machine) {
+Chunk *DelayLoadContents::newThunkChunk(DefinedImportData *s, Chunk *dir) {
+ switch (config->machine) {
case AMD64:
- return make<ThunkChunkX64>(S, Dir, Helper);
+ return make<ThunkChunkX64>(s, dir, helper);
case I386:
- return make<ThunkChunkX86>(S, Dir, Helper);
+ return make<ThunkChunkX86>(s, dir, helper);
case ARMNT:
- return make<ThunkChunkARM>(S, Dir, Helper);
+ return make<ThunkChunkARM>(s, dir, helper);
case ARM64:
- return make<ThunkChunkARM64>(S, Dir, Helper);
+ return make<ThunkChunkARM64>(s, dir, helper);
default:
llvm_unreachable("unsupported machine type");
}
}
EdataContents::EdataContents() {
- uint16_t MaxOrdinal = 0;
- for (Export &E : Config->Exports)
- MaxOrdinal = std::max(MaxOrdinal, E.Ordinal);
+ uint16_t maxOrdinal = 0;
+ for (Export &e : config->exports)
+ maxOrdinal = std::max(maxOrdinal, e.ordinal);
- auto *DLLName = make<StringChunk>(sys::path::filename(Config->OutputFile));
- auto *AddressTab = make<AddressTableChunk>(MaxOrdinal);
- std::vector<Chunk *> Names;
- for (Export &E : Config->Exports)
- if (!E.Noname)
- Names.push_back(make<StringChunk>(E.ExportName));
+ auto *dllName = make<StringChunk>(sys::path::filename(config->outputFile));
+ auto *addressTab = make<AddressTableChunk>(maxOrdinal);
+ std::vector<Chunk *> names;
+ for (Export &e : config->exports)
+ if (!e.noname)
+ names.push_back(make<StringChunk>(e.exportName));
- std::vector<Chunk *> Forwards;
- for (Export &E : Config->Exports) {
- if (E.ForwardTo.empty())
+ std::vector<Chunk *> forwards;
+ for (Export &e : config->exports) {
+ if (e.forwardTo.empty())
continue;
- E.ForwardChunk = make<StringChunk>(E.ForwardTo);
- Forwards.push_back(E.ForwardChunk);
+ e.forwardChunk = make<StringChunk>(e.forwardTo);
+ forwards.push_back(e.forwardChunk);
}
- auto *NameTab = make<NamePointersChunk>(Names);
- auto *OrdinalTab = make<ExportOrdinalChunk>(Names.size());
- auto *Dir = make<ExportDirectoryChunk>(MaxOrdinal, Names.size(), DLLName,
- AddressTab, NameTab, OrdinalTab);
- Chunks.push_back(Dir);
- Chunks.push_back(DLLName);
- Chunks.push_back(AddressTab);
- Chunks.push_back(NameTab);
- Chunks.push_back(OrdinalTab);
- Chunks.insert(Chunks.end(), Names.begin(), Names.end());
- Chunks.insert(Chunks.end(), Forwards.begin(), Forwards.end());
+ auto *nameTab = make<NamePointersChunk>(names);
+ auto *ordinalTab = make<ExportOrdinalChunk>(names.size());
+ auto *dir = make<ExportDirectoryChunk>(maxOrdinal, names.size(), dllName,
+ addressTab, nameTab, ordinalTab);
+ chunks.push_back(dir);
+ chunks.push_back(dllName);
+ chunks.push_back(addressTab);
+ chunks.push_back(nameTab);
+ chunks.push_back(ordinalTab);
+ chunks.insert(chunks.end(), names.begin(), names.end());
+ chunks.insert(chunks.end(), forwards.begin(), forwards.end());
}
} // namespace coff
diff --git a/lld/COFF/DLL.h b/lld/COFF/DLL.h
index 4ad0298..7f37138 100644
--- a/lld/COFF/DLL.h
+++ b/lld/COFF/DLL.h
@@ -21,45 +21,45 @@
// call create() to populate the chunk vectors.
class IdataContents {
public:
- void add(DefinedImportData *Sym) { Imports.push_back(Sym); }
- bool empty() { return Imports.empty(); }
+ void add(DefinedImportData *sym) { imports.push_back(sym); }
+ bool empty() { return imports.empty(); }
void create();
- std::vector<DefinedImportData *> Imports;
- std::vector<Chunk *> Dirs;
- std::vector<Chunk *> Lookups;
- std::vector<Chunk *> Addresses;
- std::vector<Chunk *> Hints;
- std::vector<Chunk *> DLLNames;
+ std::vector<DefinedImportData *> imports;
+ std::vector<Chunk *> dirs;
+ std::vector<Chunk *> lookups;
+ std::vector<Chunk *> addresses;
+ std::vector<Chunk *> hints;
+ std::vector<Chunk *> dllNames;
};
// Windows-specific.
// DelayLoadContents creates all chunks for the delay-load DLL import table.
class DelayLoadContents {
public:
- void add(DefinedImportData *Sym) { Imports.push_back(Sym); }
- bool empty() { return Imports.empty(); }
- void create(Defined *Helper);
+ void add(DefinedImportData *sym) { imports.push_back(sym); }
+ bool empty() { return imports.empty(); }
+ void create(Defined *helper);
std::vector<Chunk *> getChunks();
std::vector<Chunk *> getDataChunks();
- ArrayRef<Chunk *> getCodeChunks() { return Thunks; }
+ ArrayRef<Chunk *> getCodeChunks() { return thunks; }
- uint64_t getDirRVA() { return Dirs[0]->getRVA(); }
+ uint64_t getDirRVA() { return dirs[0]->getRVA(); }
uint64_t getDirSize();
private:
- Chunk *newThunkChunk(DefinedImportData *S, Chunk *Dir);
+ Chunk *newThunkChunk(DefinedImportData *s, Chunk *dir);
- Defined *Helper;
- std::vector<DefinedImportData *> Imports;
- std::vector<Chunk *> Dirs;
- std::vector<Chunk *> ModuleHandles;
- std::vector<Chunk *> Addresses;
- std::vector<Chunk *> Names;
- std::vector<Chunk *> HintNames;
- std::vector<Chunk *> Thunks;
- std::vector<Chunk *> DLLNames;
+ Defined *helper;
+ std::vector<DefinedImportData *> imports;
+ std::vector<Chunk *> dirs;
+ std::vector<Chunk *> moduleHandles;
+ std::vector<Chunk *> addresses;
+ std::vector<Chunk *> names;
+ std::vector<Chunk *> hintNames;
+ std::vector<Chunk *> thunks;
+ std::vector<Chunk *> dllNames;
};
// Windows-specific.
@@ -67,11 +67,11 @@
class EdataContents {
public:
EdataContents();
- std::vector<Chunk *> Chunks;
+ std::vector<Chunk *> chunks;
- uint64_t getRVA() { return Chunks[0]->getRVA(); }
+ uint64_t getRVA() { return chunks[0]->getRVA(); }
uint64_t getSize() {
- return Chunks.back()->getRVA() + Chunks.back()->getSize() - getRVA();
+ return chunks.back()->getRVA() + chunks.back()->getSize() - getRVA();
}
};
diff --git a/lld/COFF/DebugTypes.cpp b/lld/COFF/DebugTypes.cpp
index 770de80..78c1c78 100644
--- a/lld/COFF/DebugTypes.cpp
+++ b/lld/COFF/DebugTypes.cpp
@@ -32,40 +32,40 @@
// before any dependent OBJ.
class TypeServerSource : public TpiSource {
public:
- explicit TypeServerSource(MemoryBufferRef M, llvm::pdb::NativeSession *S)
- : TpiSource(PDB, nullptr), Session(S), MB(M) {}
+ explicit TypeServerSource(MemoryBufferRef m, llvm::pdb::NativeSession *s)
+ : TpiSource(PDB, nullptr), session(s), mb(m) {}
// Queue a PDB type server for loading in the COFF Driver
- static void enqueue(const ObjFile *DependentFile,
- const TypeServer2Record &TS);
+ static void enqueue(const ObjFile *dependentFile,
+ const TypeServer2Record &ts);
// Create an instance
- static Expected<TypeServerSource *> getInstance(MemoryBufferRef M);
+ static Expected<TypeServerSource *> getInstance(MemoryBufferRef m);
// Fetch the PDB instance loaded for a corresponding dependent OBJ.
static Expected<TypeServerSource *>
- findFromFile(const ObjFile *DependentFile);
+ findFromFile(const ObjFile *dependentFile);
static std::map<std::string, std::pair<std::string, TypeServerSource *>>
- Instances;
+ instances;
// The interface to the PDB (if it was opened successfully)
- std::unique_ptr<llvm::pdb::NativeSession> Session;
+ std::unique_ptr<llvm::pdb::NativeSession> session;
private:
- MemoryBufferRef MB;
+ MemoryBufferRef mb;
};
// This class represents the debug type stream of an OBJ file that depends on a
// PDB type server (see TypeServerSource).
class UseTypeServerSource : public TpiSource {
public:
- UseTypeServerSource(const ObjFile *F, const TypeServer2Record *TS)
- : TpiSource(UsingPDB, F), TypeServerDependency(*TS) {}
+ UseTypeServerSource(const ObjFile *f, const TypeServer2Record *ts)
+ : TpiSource(UsingPDB, f), typeServerDependency(*ts) {}
// Information about the PDB type server dependency, that needs to be loaded
// in before merging this OBJ.
- TypeServer2Record TypeServerDependency;
+ TypeServer2Record typeServerDependency;
};
// This class represents the debug type stream of a Microsoft precompiled
@@ -74,76 +74,76 @@
// such files, clang does not.
class PrecompSource : public TpiSource {
public:
- PrecompSource(const ObjFile *F) : TpiSource(PCH, F) {}
+ PrecompSource(const ObjFile *f) : TpiSource(PCH, f) {}
};
// This class represents the debug type stream of an OBJ file that depends on a
// Microsoft precompiled headers OBJ (see PrecompSource).
class UsePrecompSource : public TpiSource {
public:
- UsePrecompSource(const ObjFile *F, const PrecompRecord *Precomp)
- : TpiSource(UsingPCH, F), PrecompDependency(*Precomp) {}
+ UsePrecompSource(const ObjFile *f, const PrecompRecord *precomp)
+ : TpiSource(UsingPCH, f), precompDependency(*precomp) {}
// Information about the Precomp OBJ dependency, that needs to be loaded in
// before merging this OBJ.
- PrecompRecord PrecompDependency;
+ PrecompRecord precompDependency;
};
} // namespace
static std::vector<std::unique_ptr<TpiSource>> GC;
-TpiSource::TpiSource(TpiKind K, const ObjFile *F) : Kind(K), File(F) {
+TpiSource::TpiSource(TpiKind k, const ObjFile *f) : kind(k), file(f) {
GC.push_back(std::unique_ptr<TpiSource>(this));
}
-TpiSource *lld::coff::makeTpiSource(const ObjFile *F) {
- return new TpiSource(TpiSource::Regular, F);
+TpiSource *lld::coff::makeTpiSource(const ObjFile *f) {
+ return new TpiSource(TpiSource::Regular, f);
}
-TpiSource *lld::coff::makeUseTypeServerSource(const ObjFile *F,
- const TypeServer2Record *TS) {
- TypeServerSource::enqueue(F, *TS);
- return new UseTypeServerSource(F, TS);
+TpiSource *lld::coff::makeUseTypeServerSource(const ObjFile *f,
+ const TypeServer2Record *ts) {
+ TypeServerSource::enqueue(f, *ts);
+ return new UseTypeServerSource(f, ts);
}
-TpiSource *lld::coff::makePrecompSource(const ObjFile *F) {
- return new PrecompSource(F);
+TpiSource *lld::coff::makePrecompSource(const ObjFile *f) {
+ return new PrecompSource(f);
}
-TpiSource *lld::coff::makeUsePrecompSource(const ObjFile *F,
- const PrecompRecord *Precomp) {
- return new UsePrecompSource(F, Precomp);
+TpiSource *lld::coff::makeUsePrecompSource(const ObjFile *f,
+ const PrecompRecord *precomp) {
+ return new UsePrecompSource(f, precomp);
}
namespace lld {
namespace coff {
template <>
-const PrecompRecord &retrieveDependencyInfo(const TpiSource *Source) {
- assert(Source->Kind == TpiSource::UsingPCH);
- return ((const UsePrecompSource *)Source)->PrecompDependency;
+const PrecompRecord &retrieveDependencyInfo(const TpiSource *source) {
+ assert(source->kind == TpiSource::UsingPCH);
+ return ((const UsePrecompSource *)source)->precompDependency;
}
template <>
-const TypeServer2Record &retrieveDependencyInfo(const TpiSource *Source) {
- assert(Source->Kind == TpiSource::UsingPDB);
- return ((const UseTypeServerSource *)Source)->TypeServerDependency;
+const TypeServer2Record &retrieveDependencyInfo(const TpiSource *source) {
+ assert(source->kind == TpiSource::UsingPDB);
+ return ((const UseTypeServerSource *)source)->typeServerDependency;
}
} // namespace coff
} // namespace lld
std::map<std::string, std::pair<std::string, TypeServerSource *>>
- TypeServerSource::Instances;
+ TypeServerSource::instances;
// Make a PDB path assuming the PDB is in the same folder as the OBJ
-static std::string getPdbBaseName(const ObjFile *File, StringRef TSPath) {
- StringRef LocalPath =
- !File->ParentName.empty() ? File->ParentName : File->getName();
- SmallString<128> Path = sys::path::parent_path(LocalPath);
+static std::string getPdbBaseName(const ObjFile *file, StringRef tSPath) {
+ StringRef localPath =
+ !file->parentName.empty() ? file->parentName : file->getName();
+ SmallString<128> path = sys::path::parent_path(localPath);
// Currently, type server PDBs are only created by MSVC cl, which only runs
// on Windows, so we can assume type server paths are Windows style.
- sys::path::append(Path, sys::path::filename(TSPath, sys::path::Style::windows));
- return Path.str();
+ sys::path::append(path, sys::path::filename(tSPath, sys::path::Style::windows));
+ return path.str();
}
// The casing of the PDB path stamped in the OBJ can differ from the actual path
@@ -158,80 +158,80 @@
}
// If existing, return the actual PDB path on disk.
-static Optional<std::string> findPdbPath(StringRef PDBPath,
- const ObjFile *DependentFile) {
+static Optional<std::string> findPdbPath(StringRef pdbPath,
+ const ObjFile *dependentFile) {
// Ensure the file exists before anything else. In some cases, if the path
// points to a removable device, Driver::enqueuePath() would fail with an
// error (EAGAIN, "resource unavailable try again") which we want to skip
// silently.
- if (llvm::sys::fs::exists(PDBPath))
- return normalizePdbPath(PDBPath);
- std::string Ret = getPdbBaseName(DependentFile, PDBPath);
- if (llvm::sys::fs::exists(Ret))
- return normalizePdbPath(Ret);
+ if (llvm::sys::fs::exists(pdbPath))
+ return normalizePdbPath(pdbPath);
+ std::string ret = getPdbBaseName(dependentFile, pdbPath);
+ if (llvm::sys::fs::exists(ret))
+ return normalizePdbPath(ret);
return None;
}
// Fetch the PDB instance that was already loaded by the COFF Driver.
Expected<TypeServerSource *>
-TypeServerSource::findFromFile(const ObjFile *DependentFile) {
- const TypeServer2Record &TS =
- retrieveDependencyInfo<TypeServer2Record>(DependentFile->DebugTypesObj);
+TypeServerSource::findFromFile(const ObjFile *dependentFile) {
+ const TypeServer2Record &ts =
+ retrieveDependencyInfo<TypeServer2Record>(dependentFile->debugTypesObj);
- Optional<std::string> P = findPdbPath(TS.Name, DependentFile);
- if (!P)
- return createFileError(TS.Name, errorCodeToError(std::error_code(
+ Optional<std::string> p = findPdbPath(ts.Name, dependentFile);
+ if (!p)
+ return createFileError(ts.Name, errorCodeToError(std::error_code(
ENOENT, std::generic_category())));
- auto It = TypeServerSource::Instances.find(*P);
+ auto it = TypeServerSource::instances.find(*p);
// The PDB file exists on disk, at this point we expect it to have been
// inserted in the map by TypeServerSource::loadPDB()
- assert(It != TypeServerSource::Instances.end());
+ assert(it != TypeServerSource::instances.end());
- std::pair<std::string, TypeServerSource *> &PDB = It->second;
+ std::pair<std::string, TypeServerSource *> &pdb = it->second;
- if (!PDB.second)
+ if (!pdb.second)
return createFileError(
- *P, createStringError(inconvertibleErrorCode(), PDB.first.c_str()));
+ *p, createStringError(inconvertibleErrorCode(), pdb.first.c_str()));
- pdb::PDBFile &PDBFile = (PDB.second)->Session->getPDBFile();
- pdb::InfoStream &Info = cantFail(PDBFile.getPDBInfoStream());
+ pdb::PDBFile &pdbFile = (pdb.second)->session->getPDBFile();
+ pdb::InfoStream &info = cantFail(pdbFile.getPDBInfoStream());
// Just because a file with a matching name was found doesn't mean it can be
// used. The GUID must match between the PDB header and the OBJ
// TypeServer2 record. The 'Age' is used by MSVC incremental compilation.
- if (Info.getGuid() != TS.getGuid())
+ if (info.getGuid() != ts.getGuid())
return createFileError(
- TS.Name,
+ ts.Name,
make_error<pdb::PDBError>(pdb::pdb_error_code::signature_out_of_date));
- return PDB.second;
+ return pdb.second;
}
// FIXME: Temporary interface until PDBLinker::maybeMergeTypeServerPDB() is
// moved here.
Expected<llvm::pdb::NativeSession *>
-lld::coff::findTypeServerSource(const ObjFile *F) {
- Expected<TypeServerSource *> TS = TypeServerSource::findFromFile(F);
- if (!TS)
- return TS.takeError();
- return TS.get()->Session.get();
+lld::coff::findTypeServerSource(const ObjFile *f) {
+ Expected<TypeServerSource *> ts = TypeServerSource::findFromFile(f);
+ if (!ts)
+ return ts.takeError();
+ return ts.get()->session.get();
}
// Queue a PDB type server for loading in the COFF Driver
-void TypeServerSource::enqueue(const ObjFile *DependentFile,
- const TypeServer2Record &TS) {
+void TypeServerSource::enqueue(const ObjFile *dependentFile,
+ const TypeServer2Record &ts) {
// Start by finding where the PDB is located (either the record path or next
// to the OBJ file)
- Optional<std::string> P = findPdbPath(TS.Name, DependentFile);
- if (!P)
+ Optional<std::string> p = findPdbPath(ts.Name, dependentFile);
+ if (!p)
return;
- auto It = TypeServerSource::Instances.emplace(
- *P, std::pair<std::string, TypeServerSource *>{});
- if (!It.second)
+ auto it = TypeServerSource::instances.emplace(
+ *p, std::pair<std::string, TypeServerSource *>{});
+ if (!it.second)
return; // another OBJ already scheduled this PDB for load
- Driver->enqueuePath(*P, false);
+ driver->enqueuePath(*p, false);
}
// Create an instance of TypeServerSource or an error string if the PDB couldn't
@@ -239,30 +239,30 @@
// will be merged in. NOTE - a PDB load failure is not a link error: some
// debug info will simply be missing from the final PDB - that is the default
// accepted behavior.
-void lld::coff::loadTypeServerSource(llvm::MemoryBufferRef M) {
- std::string Path = normalizePdbPath(M.getBufferIdentifier());
+void lld::coff::loadTypeServerSource(llvm::MemoryBufferRef m) {
+ std::string path = normalizePdbPath(m.getBufferIdentifier());
- Expected<TypeServerSource *> TS = TypeServerSource::getInstance(M);
- if (!TS)
- TypeServerSource::Instances[Path] = {toString(TS.takeError()), nullptr};
+ Expected<TypeServerSource *> ts = TypeServerSource::getInstance(m);
+ if (!ts)
+ TypeServerSource::instances[path] = {toString(ts.takeError()), nullptr};
else
- TypeServerSource::Instances[Path] = {{}, *TS};
+ TypeServerSource::instances[path] = {{}, *ts};
}
-Expected<TypeServerSource *> TypeServerSource::getInstance(MemoryBufferRef M) {
- std::unique_ptr<llvm::pdb::IPDBSession> ISession;
- Error Err = pdb::NativeSession::createFromPdb(
- MemoryBuffer::getMemBuffer(M, false), ISession);
- if (Err)
- return std::move(Err);
+Expected<TypeServerSource *> TypeServerSource::getInstance(MemoryBufferRef m) {
+ std::unique_ptr<llvm::pdb::IPDBSession> iSession;
+ Error err = pdb::NativeSession::createFromPdb(
+ MemoryBuffer::getMemBuffer(m, false), iSession);
+ if (err)
+ return std::move(err);
- std::unique_ptr<llvm::pdb::NativeSession> Session(
- static_cast<pdb::NativeSession *>(ISession.release()));
+ std::unique_ptr<llvm::pdb::NativeSession> session(
+ static_cast<pdb::NativeSession *>(iSession.release()));
- pdb::PDBFile &PDBFile = Session->getPDBFile();
- Expected<pdb::InfoStream &> Info = PDBFile.getPDBInfoStream();
+ pdb::PDBFile &pdbFile = session->getPDBFile();
+ Expected<pdb::InfoStream &> info = pdbFile.getPDBInfoStream();
// All PDB Files should have an Info stream.
- if (!Info)
- return Info.takeError();
- return new TypeServerSource(M, Session.release());
+ if (!info)
+ return info.takeError();
+ return new TypeServerSource(m, session.release());
}
diff --git a/lld/COFF/DebugTypes.h b/lld/COFF/DebugTypes.h
index cb03aba..e37c727 100644
--- a/lld/COFF/DebugTypes.h
+++ b/lld/COFF/DebugTypes.h
@@ -31,28 +31,28 @@
public:
enum TpiKind { Regular, PCH, UsingPCH, PDB, UsingPDB };
- TpiSource(TpiKind K, const ObjFile *F);
+ TpiSource(TpiKind k, const ObjFile *f);
virtual ~TpiSource() {}
- const TpiKind Kind;
- const ObjFile *File;
+ const TpiKind kind;
+ const ObjFile *file;
};
-TpiSource *makeTpiSource(const ObjFile *F);
-TpiSource *makeUseTypeServerSource(const ObjFile *F,
- const llvm::codeview::TypeServer2Record *TS);
-TpiSource *makePrecompSource(const ObjFile *F);
-TpiSource *makeUsePrecompSource(const ObjFile *F,
- const llvm::codeview::PrecompRecord *Precomp);
+TpiSource *makeTpiSource(const ObjFile *f);
+TpiSource *makeUseTypeServerSource(const ObjFile *f,
+ const llvm::codeview::TypeServer2Record *ts);
+TpiSource *makePrecompSource(const ObjFile *f);
+TpiSource *makeUsePrecompSource(const ObjFile *f,
+ const llvm::codeview::PrecompRecord *precomp);
-void loadTypeServerSource(llvm::MemoryBufferRef M);
+void loadTypeServerSource(llvm::MemoryBufferRef m);
// Temporary interface to get the dependency
-template <typename T> const T &retrieveDependencyInfo(const TpiSource *Source);
+template <typename T> const T &retrieveDependencyInfo(const TpiSource *source);
// Temporary interface until we move PDBLinker::maybeMergeTypeServerPDB here
llvm::Expected<llvm::pdb::NativeSession *>
-findTypeServerSource(const ObjFile *F);
+findTypeServerSource(const ObjFile *f);
} // namespace coff
} // namespace lld
diff --git a/lld/COFF/Driver.cpp b/lld/COFF/Driver.cpp
index 24937ab..be9072b 100644
--- a/lld/COFF/Driver.cpp
+++ b/lld/COFF/Driver.cpp
@@ -54,54 +54,54 @@
namespace lld {
namespace coff {
-static Timer InputFileTimer("Input File Reading", Timer::root());
+static Timer inputFileTimer("Input File Reading", Timer::root());
-Configuration *Config;
-LinkerDriver *Driver;
+Configuration *config;
+LinkerDriver *driver;
-bool link(ArrayRef<const char *> Args, bool CanExitEarly, raw_ostream &Diag) {
- errorHandler().LogName = args::getFilenameWithoutExe(Args[0]);
- errorHandler().ErrorOS = &Diag;
- errorHandler().ColorDiagnostics = Diag.has_colors();
- errorHandler().ErrorLimitExceededMsg =
+bool link(ArrayRef<const char *> args, bool canExitEarly, raw_ostream &diag) {
+ errorHandler().logName = args::getFilenameWithoutExe(args[0]);
+ errorHandler().errorOS = &diag;
+ errorHandler().colorDiagnostics = diag.has_colors();
+ errorHandler().errorLimitExceededMsg =
"too many errors emitted, stopping now"
" (use /errorlimit:0 to see all errors)";
- errorHandler().ExitEarly = CanExitEarly;
- Config = make<Configuration>();
+ errorHandler().exitEarly = canExitEarly;
+ config = make<Configuration>();
- Symtab = make<SymbolTable>();
+ symtab = make<SymbolTable>();
- Driver = make<LinkerDriver>();
- Driver->link(Args);
+ driver = make<LinkerDriver>();
+ driver->link(args);
// Call exit() if we can to avoid calling destructors.
- if (CanExitEarly)
+ if (canExitEarly)
exitLld(errorCount() ? 1 : 0);
freeArena();
- ObjFile::Instances.clear();
- ImportFile::Instances.clear();
- BitcodeFile::Instances.clear();
- memset(MergeChunk::Instances, 0, sizeof(MergeChunk::Instances));
+ ObjFile::instances.clear();
+ ImportFile::instances.clear();
+ BitcodeFile::instances.clear();
+ memset(MergeChunk::instances, 0, sizeof(MergeChunk::instances));
return !errorCount();
}
// Drop directory components and replace extension with ".exe" or ".dll".
-static std::string getOutputPath(StringRef Path) {
- auto P = Path.find_last_of("\\/");
- StringRef S = (P == StringRef::npos) ? Path : Path.substr(P + 1);
- const char* E = Config->DLL ? ".dll" : ".exe";
- return (S.substr(0, S.rfind('.')) + E).str();
+static std::string getOutputPath(StringRef path) {
+ auto p = path.find_last_of("\\/");
+ StringRef s = (p == StringRef::npos) ? path : path.substr(p + 1);
+ const char* e = config->dll ? ".dll" : ".exe";
+ return (s.substr(0, s.rfind('.')) + e).str();
}
// Returns true if S matches /crtend.?\.o$/.
-static bool isCrtend(StringRef S) {
- if (!S.endswith(".o"))
+static bool isCrtend(StringRef s) {
+ if (!s.endswith(".o"))
return false;
- S = S.drop_back(2);
- if (S.endswith("crtend"))
+ s = s.drop_back(2);
+ if (s.endswith("crtend"))
return true;
- return !S.empty() && S.drop_back().endswith("crtend");
+ return !s.empty() && s.drop_back().endswith("crtend");
}
// ErrorOr is not default constructible, so it cannot be used as the type
@@ -113,257 +113,257 @@
// Create a std::future that opens and maps a file using the best strategy for
// the host platform.
-static std::future<MBErrPair> createFutureForFile(std::string Path) {
+static std::future<MBErrPair> createFutureForFile(std::string path) {
#if _WIN32
// On Windows, file I/O is relatively slow so it is best to do this
// asynchronously.
auto Strategy = std::launch::async;
#else
- auto Strategy = std::launch::deferred;
+ auto strategy = std::launch::deferred;
#endif
- return std::async(Strategy, [=]() {
- auto MBOrErr = MemoryBuffer::getFile(Path,
+ return std::async(strategy, [=]() {
+ auto mbOrErr = MemoryBuffer::getFile(path,
/*FileSize*/ -1,
/*RequiresNullTerminator*/ false);
- if (!MBOrErr)
- return MBErrPair{nullptr, MBOrErr.getError()};
- return MBErrPair{std::move(*MBOrErr), std::error_code()};
+ if (!mbOrErr)
+ return MBErrPair{nullptr, mbOrErr.getError()};
+ return MBErrPair{std::move(*mbOrErr), std::error_code()};
});
}
// Symbol names are mangled by prepending "_" on x86.
-static StringRef mangle(StringRef Sym) {
- assert(Config->Machine != IMAGE_FILE_MACHINE_UNKNOWN);
- if (Config->Machine == I386)
- return Saver.save("_" + Sym);
- return Sym;
+static StringRef mangle(StringRef sym) {
+ assert(config->machine != IMAGE_FILE_MACHINE_UNKNOWN);
+ if (config->machine == I386)
+ return saver.save("_" + sym);
+ return sym;
}
-static bool findUnderscoreMangle(StringRef Sym) {
- Symbol *S = Symtab->findMangle(mangle(Sym));
- return S && !isa<Undefined>(S);
+static bool findUnderscoreMangle(StringRef sym) {
+ Symbol *s = symtab->findMangle(mangle(sym));
+ return s && !isa<Undefined>(s);
}
-MemoryBufferRef LinkerDriver::takeBuffer(std::unique_ptr<MemoryBuffer> MB) {
- MemoryBufferRef MBRef = *MB;
- make<std::unique_ptr<MemoryBuffer>>(std::move(MB)); // take ownership
+MemoryBufferRef LinkerDriver::takeBuffer(std::unique_ptr<MemoryBuffer> mb) {
+ MemoryBufferRef mbref = *mb;
+ make<std::unique_ptr<MemoryBuffer>>(std::move(mb)); // take ownership
- if (Driver->Tar)
- Driver->Tar->append(relativeToRoot(MBRef.getBufferIdentifier()),
- MBRef.getBuffer());
- return MBRef;
+ if (driver->tar)
+ driver->tar->append(relativeToRoot(mbref.getBufferIdentifier()),
+ mbref.getBuffer());
+ return mbref;
}
-void LinkerDriver::addBuffer(std::unique_ptr<MemoryBuffer> MB,
- bool WholeArchive) {
- StringRef Filename = MB->getBufferIdentifier();
+void LinkerDriver::addBuffer(std::unique_ptr<MemoryBuffer> mb,
+ bool wholeArchive) {
+ StringRef filename = mb->getBufferIdentifier();
- MemoryBufferRef MBRef = takeBuffer(std::move(MB));
- FilePaths.push_back(Filename);
+ MemoryBufferRef mbref = takeBuffer(std::move(mb));
+ filePaths.push_back(filename);
// File type is detected by contents, not by file extension.
- switch (identify_magic(MBRef.getBuffer())) {
+ switch (identify_magic(mbref.getBuffer())) {
case file_magic::windows_resource:
- Resources.push_back(MBRef);
+ resources.push_back(mbref);
break;
case file_magic::archive:
- if (WholeArchive) {
- std::unique_ptr<Archive> File =
- CHECK(Archive::create(MBRef), Filename + ": failed to parse archive");
+ if (wholeArchive) {
+ std::unique_ptr<Archive> file =
+ CHECK(Archive::create(mbref), filename + ": failed to parse archive");
- for (MemoryBufferRef M : getArchiveMembers(File.get()))
- addArchiveBuffer(M, "<whole-archive>", Filename, 0);
+ for (MemoryBufferRef m : getArchiveMembers(file.get()))
+ addArchiveBuffer(m, "<whole-archive>", filename, 0);
return;
}
- Symtab->addFile(make<ArchiveFile>(MBRef));
+ symtab->addFile(make<ArchiveFile>(mbref));
break;
case file_magic::bitcode:
- Symtab->addFile(make<BitcodeFile>(MBRef, "", 0));
+ symtab->addFile(make<BitcodeFile>(mbref, "", 0));
break;
case file_magic::coff_object:
case file_magic::coff_import_library:
- Symtab->addFile(make<ObjFile>(MBRef));
+ symtab->addFile(make<ObjFile>(mbref));
break;
case file_magic::pdb:
- loadTypeServerSource(MBRef);
+ loadTypeServerSource(mbref);
break;
case file_magic::coff_cl_gl_object:
- error(Filename + ": is not a native COFF file. Recompile without /GL");
+ error(filename + ": is not a native COFF file. Recompile without /GL");
break;
case file_magic::pecoff_executable:
- if (Filename.endswith_lower(".dll")) {
- error(Filename + ": bad file type. Did you specify a DLL instead of an "
+ if (filename.endswith_lower(".dll")) {
+ error(filename + ": bad file type. Did you specify a DLL instead of an "
"import library?");
break;
}
LLVM_FALLTHROUGH;
default:
- error(MBRef.getBufferIdentifier() + ": unknown file type");
+ error(mbref.getBufferIdentifier() + ": unknown file type");
break;
}
}
-void LinkerDriver::enqueuePath(StringRef Path, bool WholeArchive) {
- auto Future =
- std::make_shared<std::future<MBErrPair>>(createFutureForFile(Path));
- std::string PathStr = Path;
+void LinkerDriver::enqueuePath(StringRef path, bool wholeArchive) {
+ auto future =
+ std::make_shared<std::future<MBErrPair>>(createFutureForFile(path));
+ std::string pathStr = path;
enqueueTask([=]() {
- auto MBOrErr = Future->get();
- if (MBOrErr.second) {
- std::string Msg =
- "could not open '" + PathStr + "': " + MBOrErr.second.message();
+ auto mbOrErr = future->get();
+ if (mbOrErr.second) {
+ std::string msg =
+ "could not open '" + pathStr + "': " + mbOrErr.second.message();
// Check if the filename is a typo for an option flag. OptTable thinks
// that all args that are not known options and that start with / are
// filenames, but e.g. `/nodefaultlibs` is more likely a typo for
// the option `/nodefaultlib` than a reference to a file in the root
// directory.
- std::string Nearest;
- if (COFFOptTable().findNearest(PathStr, Nearest) > 1)
- error(Msg);
+ std::string nearest;
+ if (COFFOptTable().findNearest(pathStr, nearest) > 1)
+ error(msg);
else
- error(Msg + "; did you mean '" + Nearest + "'");
+ error(msg + "; did you mean '" + nearest + "'");
} else
- Driver->addBuffer(std::move(MBOrErr.first), WholeArchive);
+ driver->addBuffer(std::move(mbOrErr.first), wholeArchive);
});
}
-void LinkerDriver::addArchiveBuffer(MemoryBufferRef MB, StringRef SymName,
- StringRef ParentName,
- uint64_t OffsetInArchive) {
- file_magic Magic = identify_magic(MB.getBuffer());
- if (Magic == file_magic::coff_import_library) {
- InputFile *Imp = make<ImportFile>(MB);
- Imp->ParentName = ParentName;
- Symtab->addFile(Imp);
+void LinkerDriver::addArchiveBuffer(MemoryBufferRef mb, StringRef symName,
+ StringRef parentName,
+ uint64_t offsetInArchive) {
+ file_magic magic = identify_magic(mb.getBuffer());
+ if (magic == file_magic::coff_import_library) {
+ InputFile *imp = make<ImportFile>(mb);
+ imp->parentName = parentName;
+ symtab->addFile(imp);
return;
}
- InputFile *Obj;
- if (Magic == file_magic::coff_object) {
- Obj = make<ObjFile>(MB);
- } else if (Magic == file_magic::bitcode) {
- Obj = make<BitcodeFile>(MB, ParentName, OffsetInArchive);
+ InputFile *obj;
+ if (magic == file_magic::coff_object) {
+ obj = make<ObjFile>(mb);
+ } else if (magic == file_magic::bitcode) {
+ obj = make<BitcodeFile>(mb, parentName, offsetInArchive);
} else {
- error("unknown file type: " + MB.getBufferIdentifier());
+ error("unknown file type: " + mb.getBufferIdentifier());
return;
}
- Obj->ParentName = ParentName;
- Symtab->addFile(Obj);
- log("Loaded " + toString(Obj) + " for " + SymName);
+ obj->parentName = parentName;
+ symtab->addFile(obj);
+ log("Loaded " + toString(obj) + " for " + symName);
}
-void LinkerDriver::enqueueArchiveMember(const Archive::Child &C,
- StringRef SymName,
- StringRef ParentName) {
+void LinkerDriver::enqueueArchiveMember(const Archive::Child &c,
+ StringRef symName,
+ StringRef parentName) {
- auto ReportBufferError = [=](Error &&E,
- StringRef ChildName) {
+ auto reportBufferError = [=](Error &&e,
+ StringRef childName) {
fatal("could not get the buffer for the member defining symbol " +
- SymName + ": " + ParentName + "(" + ChildName + "): " +
- toString(std::move(E)));
+ symName + ": " + parentName + "(" + childName + "): " +
+ toString(std::move(e)));
};
- if (!C.getParent()->isThin()) {
- uint64_t OffsetInArchive = C.getChildOffset();
- Expected<MemoryBufferRef> MBOrErr = C.getMemoryBufferRef();
- if (!MBOrErr)
- ReportBufferError(MBOrErr.takeError(), check(C.getFullName()));
- MemoryBufferRef MB = MBOrErr.get();
+ if (!c.getParent()->isThin()) {
+ uint64_t offsetInArchive = c.getChildOffset();
+ Expected<MemoryBufferRef> mbOrErr = c.getMemoryBufferRef();
+ if (!mbOrErr)
+ reportBufferError(mbOrErr.takeError(), check(c.getFullName()));
+ MemoryBufferRef mb = mbOrErr.get();
enqueueTask([=]() {
- Driver->addArchiveBuffer(MB, SymName, ParentName, OffsetInArchive);
+ driver->addArchiveBuffer(mb, symName, parentName, offsetInArchive);
});
return;
}
- std::string ChildName = CHECK(
- C.getFullName(),
+ std::string childName = CHECK(
+ c.getFullName(),
"could not get the filename for the member defining symbol " +
- SymName);
- auto Future = std::make_shared<std::future<MBErrPair>>(
- createFutureForFile(ChildName));
+ symName);
+ auto future = std::make_shared<std::future<MBErrPair>>(
+ createFutureForFile(childName));
enqueueTask([=]() {
- auto MBOrErr = Future->get();
- if (MBOrErr.second)
- ReportBufferError(errorCodeToError(MBOrErr.second), ChildName);
- Driver->addArchiveBuffer(takeBuffer(std::move(MBOrErr.first)), SymName,
- ParentName, /* OffsetInArchive */ 0);
+ auto mbOrErr = future->get();
+ if (mbOrErr.second)
+ reportBufferError(errorCodeToError(mbOrErr.second), childName);
+ driver->addArchiveBuffer(takeBuffer(std::move(mbOrErr.first)), symName,
+ parentName, /* OffsetInArchive */ 0);
});
}
-static bool isDecorated(StringRef Sym) {
- return Sym.startswith("@") || Sym.contains("@@") || Sym.startswith("?") ||
- (!Config->MinGW && Sym.contains('@'));
+static bool isDecorated(StringRef sym) {
+ return sym.startswith("@") || sym.contains("@@") || sym.startswith("?") ||
+ (!config->mingw && sym.contains('@'));
}
// Parses .drectve section contents and returns a list of files
// specified by /defaultlib.
-void LinkerDriver::parseDirectives(InputFile *File) {
- StringRef S = File->getDirectives();
- if (S.empty())
+void LinkerDriver::parseDirectives(InputFile *file) {
+ StringRef s = file->getDirectives();
+ if (s.empty())
return;
- log("Directives: " + toString(File) + ": " + S);
+ log("Directives: " + toString(file) + ": " + s);
- ArgParser Parser;
+ ArgParser parser;
// .drectve is always tokenized using Windows shell rules.
// /EXPORT: option can appear too many times, processing in fastpath.
- opt::InputArgList Args;
- std::vector<StringRef> Exports;
- std::tie(Args, Exports) = Parser.parseDirectives(S);
+ opt::InputArgList args;
+ std::vector<StringRef> exports;
+ std::tie(args, exports) = parser.parseDirectives(s);
- for (StringRef E : Exports) {
+ for (StringRef e : exports) {
// If a common header file contains dllexported function
// declarations, many object files may end up with having the
// same /EXPORT options. In order to save cost of parsing them,
// we dedup them first.
- if (!DirectivesExports.insert(E).second)
+ if (!directivesExports.insert(e).second)
continue;
- Export Exp = parseExport(E);
- if (Config->Machine == I386 && Config->MinGW) {
- if (!isDecorated(Exp.Name))
- Exp.Name = Saver.save("_" + Exp.Name);
- if (!Exp.ExtName.empty() && !isDecorated(Exp.ExtName))
- Exp.ExtName = Saver.save("_" + Exp.ExtName);
+ Export exp = parseExport(e);
+ if (config->machine == I386 && config->mingw) {
+ if (!isDecorated(exp.name))
+ exp.name = saver.save("_" + exp.name);
+ if (!exp.extName.empty() && !isDecorated(exp.extName))
+ exp.extName = saver.save("_" + exp.extName);
}
- Exp.Directives = true;
- Config->Exports.push_back(Exp);
+ exp.directives = true;
+ config->exports.push_back(exp);
}
- for (auto *Arg : Args) {
- switch (Arg->getOption().getID()) {
+ for (auto *arg : args) {
+ switch (arg->getOption().getID()) {
case OPT_aligncomm:
- parseAligncomm(Arg->getValue());
+ parseAligncomm(arg->getValue());
break;
case OPT_alternatename:
- parseAlternateName(Arg->getValue());
+ parseAlternateName(arg->getValue());
break;
case OPT_defaultlib:
- if (Optional<StringRef> Path = findLib(Arg->getValue()))
- enqueuePath(*Path, false);
+ if (Optional<StringRef> path = findLib(arg->getValue()))
+ enqueuePath(*path, false);
break;
case OPT_entry:
- Config->Entry = addUndefined(mangle(Arg->getValue()));
+ config->entry = addUndefined(mangle(arg->getValue()));
break;
case OPT_failifmismatch:
- checkFailIfMismatch(Arg->getValue(), File);
+ checkFailIfMismatch(arg->getValue(), file);
break;
case OPT_incl:
- addUndefined(Arg->getValue());
+ addUndefined(arg->getValue());
break;
case OPT_merge:
- parseMerge(Arg->getValue());
+ parseMerge(arg->getValue());
break;
case OPT_nodefaultlib:
- Config->NoDefaultLibs.insert(doFindLib(Arg->getValue()).lower());
+ config->noDefaultLibs.insert(doFindLib(arg->getValue()).lower());
break;
case OPT_section:
- parseSection(Arg->getValue());
+ parseSection(arg->getValue());
break;
case OPT_subsystem:
- parseSubsystem(Arg->getValue(), &Config->Subsystem,
- &Config->MajorOSVersion, &Config->MinorOSVersion);
+ parseSubsystem(arg->getValue(), &config->subsystem,
+ &config->majorOSVersion, &config->minorOSVersion);
break;
// Only add flags here that link.exe accepts in
// `#pragma comment(linker, "/flag")`-generated sections.
@@ -372,138 +372,138 @@
case OPT_throwingnew:
break;
default:
- error(Arg->getSpelling() + " is not allowed in .drectve");
+ error(arg->getSpelling() + " is not allowed in .drectve");
}
}
}
// Find file from search paths. You can omit ".obj", this function takes
// care of that. Note that the returned path is not guaranteed to exist.
-StringRef LinkerDriver::doFindFile(StringRef Filename) {
- bool HasPathSep = (Filename.find_first_of("/\\") != StringRef::npos);
- if (HasPathSep)
- return Filename;
- bool HasExt = Filename.contains('.');
- for (StringRef Dir : SearchPaths) {
- SmallString<128> Path = Dir;
- sys::path::append(Path, Filename);
- if (sys::fs::exists(Path.str()))
- return Saver.save(Path.str());
- if (!HasExt) {
- Path.append(".obj");
- if (sys::fs::exists(Path.str()))
- return Saver.save(Path.str());
+StringRef LinkerDriver::doFindFile(StringRef filename) {
+ bool hasPathSep = (filename.find_first_of("/\\") != StringRef::npos);
+ if (hasPathSep)
+ return filename;
+ bool hasExt = filename.contains('.');
+ for (StringRef dir : searchPaths) {
+ SmallString<128> path = dir;
+ sys::path::append(path, filename);
+ if (sys::fs::exists(path.str()))
+ return saver.save(path.str());
+ if (!hasExt) {
+ path.append(".obj");
+ if (sys::fs::exists(path.str()))
+ return saver.save(path.str());
}
}
- return Filename;
+ return filename;
}
-static Optional<sys::fs::UniqueID> getUniqueID(StringRef Path) {
- sys::fs::UniqueID Ret;
- if (sys::fs::getUniqueID(Path, Ret))
+static Optional<sys::fs::UniqueID> getUniqueID(StringRef path) {
+ sys::fs::UniqueID ret;
+ if (sys::fs::getUniqueID(path, ret))
return None;
- return Ret;
+ return ret;
}
// Resolves a file path. This never returns the same path
// (in that case, it returns None).
-Optional<StringRef> LinkerDriver::findFile(StringRef Filename) {
- StringRef Path = doFindFile(Filename);
+Optional<StringRef> LinkerDriver::findFile(StringRef filename) {
+ StringRef path = doFindFile(filename);
- if (Optional<sys::fs::UniqueID> ID = getUniqueID(Path)) {
- bool Seen = !VisitedFiles.insert(*ID).second;
- if (Seen)
+ if (Optional<sys::fs::UniqueID> id = getUniqueID(path)) {
+ bool seen = !visitedFiles.insert(*id).second;
+ if (seen)
return None;
}
- if (Path.endswith_lower(".lib"))
- VisitedLibs.insert(sys::path::filename(Path));
- return Path;
+ if (path.endswith_lower(".lib"))
+ visitedLibs.insert(sys::path::filename(path));
+ return path;
}
// MinGW specific. If an embedded directive specified to link to
// foo.lib, but it isn't found, try libfoo.a instead.
-StringRef LinkerDriver::doFindLibMinGW(StringRef Filename) {
- if (Filename.contains('/') || Filename.contains('\\'))
- return Filename;
+StringRef LinkerDriver::doFindLibMinGW(StringRef filename) {
+ if (filename.contains('/') || filename.contains('\\'))
+ return filename;
- SmallString<128> S = Filename;
- sys::path::replace_extension(S, ".a");
- StringRef LibName = Saver.save("lib" + S.str());
- return doFindFile(LibName);
+ SmallString<128> s = filename;
+ sys::path::replace_extension(s, ".a");
+ StringRef libName = saver.save("lib" + s.str());
+ return doFindFile(libName);
}
// Find library file from search path.
-StringRef LinkerDriver::doFindLib(StringRef Filename) {
+StringRef LinkerDriver::doFindLib(StringRef filename) {
// Add ".lib" to Filename if that has no file extension.
- bool HasExt = Filename.contains('.');
- if (!HasExt)
- Filename = Saver.save(Filename + ".lib");
- StringRef Ret = doFindFile(Filename);
+ bool hasExt = filename.contains('.');
+ if (!hasExt)
+ filename = saver.save(filename + ".lib");
+ StringRef ret = doFindFile(filename);
// For MinGW, if the find above didn't turn up anything, try
// looking for a MinGW formatted library name.
- if (Config->MinGW && Ret == Filename)
- return doFindLibMinGW(Filename);
- return Ret;
+ if (config->mingw && ret == filename)
+ return doFindLibMinGW(filename);
+ return ret;
}
// Resolves a library path. /nodefaultlib options are taken into
// consideration. This never returns the same path (in that case,
// it returns None).
-Optional<StringRef> LinkerDriver::findLib(StringRef Filename) {
- if (Config->NoDefaultLibAll)
+Optional<StringRef> LinkerDriver::findLib(StringRef filename) {
+ if (config->noDefaultLibAll)
return None;
- if (!VisitedLibs.insert(Filename.lower()).second)
+ if (!visitedLibs.insert(filename.lower()).second)
return None;
- StringRef Path = doFindLib(Filename);
- if (Config->NoDefaultLibs.count(Path.lower()))
+ StringRef path = doFindLib(filename);
+ if (config->noDefaultLibs.count(path.lower()))
return None;
- if (Optional<sys::fs::UniqueID> ID = getUniqueID(Path))
- if (!VisitedFiles.insert(*ID).second)
+ if (Optional<sys::fs::UniqueID> id = getUniqueID(path))
+ if (!visitedFiles.insert(*id).second)
return None;
- return Path;
+ return path;
}
// Parses LIB environment which contains a list of search paths.
void LinkerDriver::addLibSearchPaths() {
- Optional<std::string> EnvOpt = Process::GetEnv("LIB");
- if (!EnvOpt.hasValue())
+ Optional<std::string> envOpt = Process::GetEnv("LIB");
+ if (!envOpt.hasValue())
return;
- StringRef Env = Saver.save(*EnvOpt);
- while (!Env.empty()) {
- StringRef Path;
- std::tie(Path, Env) = Env.split(';');
- SearchPaths.push_back(Path);
+ StringRef env = saver.save(*envOpt);
+ while (!env.empty()) {
+ StringRef path;
+ std::tie(path, env) = env.split(';');
+ searchPaths.push_back(path);
}
}
-Symbol *LinkerDriver::addUndefined(StringRef Name) {
- Symbol *B = Symtab->addUndefined(Name);
- if (!B->IsGCRoot) {
- B->IsGCRoot = true;
- Config->GCRoot.push_back(B);
+Symbol *LinkerDriver::addUndefined(StringRef name) {
+ Symbol *b = symtab->addUndefined(name);
+ if (!b->isGCRoot) {
+ b->isGCRoot = true;
+ config->gCRoot.push_back(b);
}
- return B;
+ return b;
}
-StringRef LinkerDriver::mangleMaybe(Symbol *S) {
+StringRef LinkerDriver::mangleMaybe(Symbol *s) {
// If the plain symbol name has already been resolved, do nothing.
- Undefined *Unmangled = dyn_cast<Undefined>(S);
- if (!Unmangled)
+ Undefined *unmangled = dyn_cast<Undefined>(s);
+ if (!unmangled)
return "";
// Otherwise, see if a similar, mangled symbol exists in the symbol table.
- Symbol *Mangled = Symtab->findMangle(Unmangled->getName());
- if (!Mangled)
+ Symbol *mangled = symtab->findMangle(unmangled->getName());
+ if (!mangled)
return "";
// If we find a similar mangled symbol, make this an alias to it and return
// its name.
- log(Unmangled->getName() + " aliased to " + Mangled->getName());
- Unmangled->WeakAlias = Symtab->addUndefined(Mangled->getName());
- return Mangled->getName();
+ log(unmangled->getName() + " aliased to " + mangled->getName());
+ unmangled->weakAlias = symtab->addUndefined(mangled->getName());
+ return mangled->getName();
}
// Windows specific -- find default entry point name.
@@ -512,15 +512,15 @@
// each of which corresponds to a user-defined "main" function. This function
// infers an entry point from a user-defined "main" function.
StringRef LinkerDriver::findDefaultEntry() {
- assert(Config->Subsystem != IMAGE_SUBSYSTEM_UNKNOWN &&
+ assert(config->subsystem != IMAGE_SUBSYSTEM_UNKNOWN &&
"must handle /subsystem before calling this");
- if (Config->MinGW)
- return mangle(Config->Subsystem == IMAGE_SUBSYSTEM_WINDOWS_GUI
+ if (config->mingw)
+ return mangle(config->subsystem == IMAGE_SUBSYSTEM_WINDOWS_GUI
? "WinMainCRTStartup"
: "mainCRTStartup");
- if (Config->Subsystem == IMAGE_SUBSYSTEM_WINDOWS_GUI) {
+ if (config->subsystem == IMAGE_SUBSYSTEM_WINDOWS_GUI) {
if (findUnderscoreMangle("wWinMain")) {
if (!findUnderscoreMangle("WinMain"))
return mangle("wWinMainCRTStartup");
@@ -537,44 +537,44 @@
}
WindowsSubsystem LinkerDriver::inferSubsystem() {
- if (Config->DLL)
+ if (config->dll)
return IMAGE_SUBSYSTEM_WINDOWS_GUI;
- if (Config->MinGW)
+ if (config->mingw)
return IMAGE_SUBSYSTEM_WINDOWS_CUI;
// Note that link.exe infers the subsystem from the presence of these
// functions even if /entry: or /nodefaultlib are passed which causes them
// to not be called.
- bool HaveMain = findUnderscoreMangle("main");
- bool HaveWMain = findUnderscoreMangle("wmain");
- bool HaveWinMain = findUnderscoreMangle("WinMain");
- bool HaveWWinMain = findUnderscoreMangle("wWinMain");
- if (HaveMain || HaveWMain) {
- if (HaveWinMain || HaveWWinMain) {
- warn(std::string("found ") + (HaveMain ? "main" : "wmain") + " and " +
- (HaveWinMain ? "WinMain" : "wWinMain") +
+ bool haveMain = findUnderscoreMangle("main");
+ bool haveWMain = findUnderscoreMangle("wmain");
+ bool haveWinMain = findUnderscoreMangle("WinMain");
+ bool haveWWinMain = findUnderscoreMangle("wWinMain");
+ if (haveMain || haveWMain) {
+ if (haveWinMain || haveWWinMain) {
+ warn(std::string("found ") + (haveMain ? "main" : "wmain") + " and " +
+ (haveWinMain ? "WinMain" : "wWinMain") +
"; defaulting to /subsystem:console");
}
return IMAGE_SUBSYSTEM_WINDOWS_CUI;
}
- if (HaveWinMain || HaveWWinMain)
+ if (haveWinMain || haveWWinMain)
return IMAGE_SUBSYSTEM_WINDOWS_GUI;
return IMAGE_SUBSYSTEM_UNKNOWN;
}
static uint64_t getDefaultImageBase() {
- if (Config->is64())
- return Config->DLL ? 0x180000000 : 0x140000000;
- return Config->DLL ? 0x10000000 : 0x400000;
+ if (config->is64())
+ return config->dll ? 0x180000000 : 0x140000000;
+ return config->dll ? 0x10000000 : 0x400000;
}
-static std::string createResponseFile(const opt::InputArgList &Args,
- ArrayRef<StringRef> FilePaths,
- ArrayRef<StringRef> SearchPaths) {
- SmallString<0> Data;
- raw_svector_ostream OS(Data);
+static std::string createResponseFile(const opt::InputArgList &args,
+ ArrayRef<StringRef> filePaths,
+ ArrayRef<StringRef> searchPaths) {
+ SmallString<0> data;
+ raw_svector_ostream os(data);
- for (auto *Arg : Args) {
- switch (Arg->getOption().getID()) {
+ for (auto *arg : args) {
+ switch (arg->getOption().getID()) {
case OPT_linkrepro:
case OPT_INPUT:
case OPT_defaultlib:
@@ -589,34 +589,34 @@
case OPT_implib:
case OPT_pdb:
case OPT_out:
- OS << Arg->getSpelling() << sys::path::filename(Arg->getValue()) << "\n";
+ os << arg->getSpelling() << sys::path::filename(arg->getValue()) << "\n";
break;
default:
- OS << toString(*Arg) << "\n";
+ os << toString(*arg) << "\n";
}
}
- for (StringRef Path : SearchPaths) {
- std::string RelPath = relativeToRoot(Path);
- OS << "/libpath:" << quote(RelPath) << "\n";
+ for (StringRef path : searchPaths) {
+ std::string relPath = relativeToRoot(path);
+ os << "/libpath:" << quote(relPath) << "\n";
}
- for (StringRef Path : FilePaths)
- OS << quote(relativeToRoot(Path)) << "\n";
+ for (StringRef path : filePaths)
+ os << quote(relativeToRoot(path)) << "\n";
- return Data.str();
+ return data.str();
}
enum class DebugKind { Unknown, None, Full, FastLink, GHash, Dwarf, Symtab };
-static DebugKind parseDebugKind(const opt::InputArgList &Args) {
- auto *A = Args.getLastArg(OPT_debug, OPT_debug_opt);
- if (!A)
+static DebugKind parseDebugKind(const opt::InputArgList &args) {
+ auto *a = args.getLastArg(OPT_debug, OPT_debug_opt);
+ if (!a)
return DebugKind::None;
- if (A->getNumValues() == 0)
+ if (a->getNumValues() == 0)
return DebugKind::Full;
- DebugKind Debug = StringSwitch<DebugKind>(A->getValue())
+ DebugKind debug = StringSwitch<DebugKind>(a->getValue())
.CaseLower("none", DebugKind::None)
.CaseLower("full", DebugKind::Full)
.CaseLower("fastlink", DebugKind::FastLink)
@@ -626,68 +626,68 @@
.CaseLower("symtab", DebugKind::Symtab)
.Default(DebugKind::Unknown);
- if (Debug == DebugKind::FastLink) {
+ if (debug == DebugKind::FastLink) {
warn("/debug:fastlink unsupported; using /debug:full");
return DebugKind::Full;
}
- if (Debug == DebugKind::Unknown) {
- error("/debug: unknown option: " + Twine(A->getValue()));
+ if (debug == DebugKind::Unknown) {
+ error("/debug: unknown option: " + Twine(a->getValue()));
return DebugKind::None;
}
- return Debug;
+ return debug;
}
-static unsigned parseDebugTypes(const opt::InputArgList &Args) {
- unsigned DebugTypes = static_cast<unsigned>(DebugType::None);
+static unsigned parseDebugTypes(const opt::InputArgList &args) {
+ unsigned debugTypes = static_cast<unsigned>(DebugType::None);
- if (auto *A = Args.getLastArg(OPT_debugtype)) {
- SmallVector<StringRef, 3> Types;
- StringRef(A->getValue())
- .split(Types, ',', /*MaxSplit=*/-1, /*KeepEmpty=*/false);
+ if (auto *a = args.getLastArg(OPT_debugtype)) {
+ SmallVector<StringRef, 3> types;
+ StringRef(a->getValue())
+ .split(types, ',', /*MaxSplit=*/-1, /*KeepEmpty=*/false);
- for (StringRef Type : Types) {
- unsigned V = StringSwitch<unsigned>(Type.lower())
+ for (StringRef type : types) {
+ unsigned v = StringSwitch<unsigned>(type.lower())
.Case("cv", static_cast<unsigned>(DebugType::CV))
.Case("pdata", static_cast<unsigned>(DebugType::PData))
.Case("fixup", static_cast<unsigned>(DebugType::Fixup))
.Default(0);
- if (V == 0) {
- warn("/debugtype: unknown option '" + Type + "'");
+ if (v == 0) {
+ warn("/debugtype: unknown option '" + type + "'");
continue;
}
- DebugTypes |= V;
+ debugTypes |= v;
}
- return DebugTypes;
+ return debugTypes;
}
// Default debug types
- DebugTypes = static_cast<unsigned>(DebugType::CV);
- if (Args.hasArg(OPT_driver))
- DebugTypes |= static_cast<unsigned>(DebugType::PData);
- if (Args.hasArg(OPT_profile))
- DebugTypes |= static_cast<unsigned>(DebugType::Fixup);
+ debugTypes = static_cast<unsigned>(DebugType::CV);
+ if (args.hasArg(OPT_driver))
+ debugTypes |= static_cast<unsigned>(DebugType::PData);
+ if (args.hasArg(OPT_profile))
+ debugTypes |= static_cast<unsigned>(DebugType::Fixup);
- return DebugTypes;
+ return debugTypes;
}
-static std::string getMapFile(const opt::InputArgList &Args) {
- auto *Arg = Args.getLastArg(OPT_lldmap, OPT_lldmap_file);
- if (!Arg)
+static std::string getMapFile(const opt::InputArgList &args) {
+ auto *arg = args.getLastArg(OPT_lldmap, OPT_lldmap_file);
+ if (!arg)
return "";
- if (Arg->getOption().getID() == OPT_lldmap_file)
- return Arg->getValue();
+ if (arg->getOption().getID() == OPT_lldmap_file)
+ return arg->getValue();
- assert(Arg->getOption().getID() == OPT_lldmap);
- StringRef OutFile = Config->OutputFile;
- return (OutFile.substr(0, OutFile.rfind('.')) + ".map").str();
+ assert(arg->getOption().getID() == OPT_lldmap);
+ StringRef outFile = config->outputFile;
+ return (outFile.substr(0, outFile.rfind('.')) + ".map").str();
}
static std::string getImplibPath() {
- if (!Config->Implib.empty())
- return Config->Implib;
- SmallString<128> Out = StringRef(Config->OutputFile);
- sys::path::replace_extension(Out, ".lib");
- return Out.str();
+ if (!config->implib.empty())
+ return config->implib;
+ SmallString<128> out = StringRef(config->outputFile);
+ sys::path::replace_extension(out, ".lib");
+ return out.str();
}
//
@@ -698,226 +698,226 @@
// LINK | {value} | {value}.{.dll/.exe} | {output name}
// LIB | {value} | {value}.dll | {output name}.dll
//
-static std::string getImportName(bool AsLib) {
- SmallString<128> Out;
+static std::string getImportName(bool asLib) {
+ SmallString<128> out;
- if (Config->ImportName.empty()) {
- Out.assign(sys::path::filename(Config->OutputFile));
- if (AsLib)
- sys::path::replace_extension(Out, ".dll");
+ if (config->importName.empty()) {
+ out.assign(sys::path::filename(config->outputFile));
+ if (asLib)
+ sys::path::replace_extension(out, ".dll");
} else {
- Out.assign(Config->ImportName);
- if (!sys::path::has_extension(Out))
- sys::path::replace_extension(Out,
- (Config->DLL || AsLib) ? ".dll" : ".exe");
+ out.assign(config->importName);
+ if (!sys::path::has_extension(out))
+ sys::path::replace_extension(out,
+ (config->dll || asLib) ? ".dll" : ".exe");
}
- return Out.str();
+ return out.str();
}
-static void createImportLibrary(bool AsLib) {
- std::vector<COFFShortExport> Exports;
- for (Export &E1 : Config->Exports) {
- COFFShortExport E2;
- E2.Name = E1.Name;
- E2.SymbolName = E1.SymbolName;
- E2.ExtName = E1.ExtName;
- E2.Ordinal = E1.Ordinal;
- E2.Noname = E1.Noname;
- E2.Data = E1.Data;
- E2.Private = E1.Private;
- E2.Constant = E1.Constant;
- Exports.push_back(E2);
+static void createImportLibrary(bool asLib) {
+ std::vector<COFFShortExport> exports;
+ for (Export &e1 : config->exports) {
+ COFFShortExport e2;
+ e2.Name = e1.name;
+ e2.SymbolName = e1.symbolName;
+ e2.ExtName = e1.extName;
+ e2.Ordinal = e1.ordinal;
+ e2.Noname = e1.noname;
+ e2.Data = e1.data;
+ e2.Private = e1.isPrivate;
+ e2.Constant = e1.constant;
+ exports.push_back(e2);
}
- auto HandleError = [](Error &&E) {
- handleAllErrors(std::move(E),
- [](ErrorInfoBase &EIB) { error(EIB.message()); });
+ auto handleError = [](Error &&e) {
+ handleAllErrors(std::move(e),
+ [](ErrorInfoBase &eib) { error(eib.message()); });
};
- std::string LibName = getImportName(AsLib);
- std::string Path = getImplibPath();
+ std::string libName = getImportName(asLib);
+ std::string path = getImplibPath();
- if (!Config->Incremental) {
- HandleError(writeImportLibrary(LibName, Path, Exports, Config->Machine,
- Config->MinGW));
+ if (!config->incremental) {
+ handleError(writeImportLibrary(libName, path, exports, config->machine,
+ config->mingw));
return;
}
// If the import library already exists, replace it only if the contents
// have changed.
- ErrorOr<std::unique_ptr<MemoryBuffer>> OldBuf = MemoryBuffer::getFile(
- Path, /*FileSize*/ -1, /*RequiresNullTerminator*/ false);
- if (!OldBuf) {
- HandleError(writeImportLibrary(LibName, Path, Exports, Config->Machine,
- Config->MinGW));
+ ErrorOr<std::unique_ptr<MemoryBuffer>> oldBuf = MemoryBuffer::getFile(
+ path, /*FileSize*/ -1, /*RequiresNullTerminator*/ false);
+ if (!oldBuf) {
+ handleError(writeImportLibrary(libName, path, exports, config->machine,
+ config->mingw));
return;
}
- SmallString<128> TmpName;
- if (std::error_code EC =
- sys::fs::createUniqueFile(Path + ".tmp-%%%%%%%%.lib", TmpName))
- fatal("cannot create temporary file for import library " + Path + ": " +
- EC.message());
+ SmallString<128> tmpName;
+ if (std::error_code ec =
+ sys::fs::createUniqueFile(path + ".tmp-%%%%%%%%.lib", tmpName))
+ fatal("cannot create temporary file for import library " + path + ": " +
+ ec.message());
- if (Error E = writeImportLibrary(LibName, TmpName, Exports, Config->Machine,
- Config->MinGW)) {
- HandleError(std::move(E));
+ if (Error e = writeImportLibrary(libName, tmpName, exports, config->machine,
+ config->mingw)) {
+ handleError(std::move(e));
return;
}
- std::unique_ptr<MemoryBuffer> NewBuf = check(MemoryBuffer::getFile(
- TmpName, /*FileSize*/ -1, /*RequiresNullTerminator*/ false));
- if ((*OldBuf)->getBuffer() != NewBuf->getBuffer()) {
- OldBuf->reset();
- HandleError(errorCodeToError(sys::fs::rename(TmpName, Path)));
+ std::unique_ptr<MemoryBuffer> newBuf = check(MemoryBuffer::getFile(
+ tmpName, /*FileSize*/ -1, /*RequiresNullTerminator*/ false));
+ if ((*oldBuf)->getBuffer() != newBuf->getBuffer()) {
+ oldBuf->reset();
+ handleError(errorCodeToError(sys::fs::rename(tmpName, path)));
} else {
- sys::fs::remove(TmpName);
+ sys::fs::remove(tmpName);
}
}
-static void parseModuleDefs(StringRef Path) {
- std::unique_ptr<MemoryBuffer> MB = CHECK(
- MemoryBuffer::getFile(Path, -1, false, true), "could not open " + Path);
- COFFModuleDefinition M = check(parseCOFFModuleDefinition(
- MB->getMemBufferRef(), Config->Machine, Config->MinGW));
+static void parseModuleDefs(StringRef path) {
+ std::unique_ptr<MemoryBuffer> mb = CHECK(
+ MemoryBuffer::getFile(path, -1, false, true), "could not open " + path);
+ COFFModuleDefinition m = check(parseCOFFModuleDefinition(
+ mb->getMemBufferRef(), config->machine, config->mingw));
- if (Config->OutputFile.empty())
- Config->OutputFile = Saver.save(M.OutputFile);
- Config->ImportName = Saver.save(M.ImportName);
- if (M.ImageBase)
- Config->ImageBase = M.ImageBase;
- if (M.StackReserve)
- Config->StackReserve = M.StackReserve;
- if (M.StackCommit)
- Config->StackCommit = M.StackCommit;
- if (M.HeapReserve)
- Config->HeapReserve = M.HeapReserve;
- if (M.HeapCommit)
- Config->HeapCommit = M.HeapCommit;
- if (M.MajorImageVersion)
- Config->MajorImageVersion = M.MajorImageVersion;
- if (M.MinorImageVersion)
- Config->MinorImageVersion = M.MinorImageVersion;
- if (M.MajorOSVersion)
- Config->MajorOSVersion = M.MajorOSVersion;
- if (M.MinorOSVersion)
- Config->MinorOSVersion = M.MinorOSVersion;
+ if (config->outputFile.empty())
+ config->outputFile = saver.save(m.OutputFile);
+ config->importName = saver.save(m.ImportName);
+ if (m.ImageBase)
+ config->imageBase = m.ImageBase;
+ if (m.StackReserve)
+ config->stackReserve = m.StackReserve;
+ if (m.StackCommit)
+ config->stackCommit = m.StackCommit;
+ if (m.HeapReserve)
+ config->heapReserve = m.HeapReserve;
+ if (m.HeapCommit)
+ config->heapCommit = m.HeapCommit;
+ if (m.MajorImageVersion)
+ config->majorImageVersion = m.MajorImageVersion;
+ if (m.MinorImageVersion)
+ config->minorImageVersion = m.MinorImageVersion;
+ if (m.MajorOSVersion)
+ config->majorOSVersion = m.MajorOSVersion;
+ if (m.MinorOSVersion)
+ config->minorOSVersion = m.MinorOSVersion;
- for (COFFShortExport E1 : M.Exports) {
- Export E2;
+ for (COFFShortExport e1 : m.Exports) {
+ Export e2;
// In simple cases, only Name is set. Renamed exports are parsed
// and set as "ExtName = Name". If Name has the form "OtherDll.Func",
// it shouldn't be a normal exported function but a forward to another
// DLL instead. This is supported by both MS and GNU linkers.
- if (E1.ExtName != E1.Name && StringRef(E1.Name).contains('.')) {
- E2.Name = Saver.save(E1.ExtName);
- E2.ForwardTo = Saver.save(E1.Name);
- Config->Exports.push_back(E2);
+ if (e1.ExtName != e1.Name && StringRef(e1.Name).contains('.')) {
+ e2.name = saver.save(e1.ExtName);
+ e2.forwardTo = saver.save(e1.Name);
+ config->exports.push_back(e2);
continue;
}
- E2.Name = Saver.save(E1.Name);
- E2.ExtName = Saver.save(E1.ExtName);
- E2.Ordinal = E1.Ordinal;
- E2.Noname = E1.Noname;
- E2.Data = E1.Data;
- E2.Private = E1.Private;
- E2.Constant = E1.Constant;
- Config->Exports.push_back(E2);
+ e2.name = saver.save(e1.Name);
+ e2.extName = saver.save(e1.ExtName);
+ e2.ordinal = e1.Ordinal;
+ e2.noname = e1.Noname;
+ e2.data = e1.Data;
+ e2.isPrivate = e1.Private;
+ e2.constant = e1.Constant;
+ config->exports.push_back(e2);
}
}
-void LinkerDriver::enqueueTask(std::function<void()> Task) {
- TaskQueue.push_back(std::move(Task));
+void LinkerDriver::enqueueTask(std::function<void()> task) {
+ taskQueue.push_back(std::move(task));
}
bool LinkerDriver::run() {
- ScopedTimer T(InputFileTimer);
+ ScopedTimer t(inputFileTimer);
- bool DidWork = !TaskQueue.empty();
- while (!TaskQueue.empty()) {
- TaskQueue.front()();
- TaskQueue.pop_front();
+ bool didWork = !taskQueue.empty();
+ while (!taskQueue.empty()) {
+ taskQueue.front()();
+ taskQueue.pop_front();
}
- return DidWork;
+ return didWork;
}
// Parse an /order file. If an option is given, the linker places
// COMDAT sections in the same order as their names appear in the
// given file.
-static void parseOrderFile(StringRef Arg) {
+static void parseOrderFile(StringRef arg) {
// For some reason, the MSVC linker requires a filename to be
// preceded by "@".
- if (!Arg.startswith("@")) {
+ if (!arg.startswith("@")) {
error("malformed /order option: '@' missing");
return;
}
// Get a list of all comdat sections for error checking.
- DenseSet<StringRef> Set;
- for (Chunk *C : Symtab->getChunks())
- if (auto *Sec = dyn_cast<SectionChunk>(C))
- if (Sec->Sym)
- Set.insert(Sec->Sym->getName());
+ DenseSet<StringRef> set;
+ for (Chunk *c : symtab->getChunks())
+ if (auto *sec = dyn_cast<SectionChunk>(c))
+ if (sec->sym)
+ set.insert(sec->sym->getName());
// Open a file.
- StringRef Path = Arg.substr(1);
- std::unique_ptr<MemoryBuffer> MB = CHECK(
- MemoryBuffer::getFile(Path, -1, false, true), "could not open " + Path);
+ StringRef path = arg.substr(1);
+ std::unique_ptr<MemoryBuffer> mb = CHECK(
+ MemoryBuffer::getFile(path, -1, false, true), "could not open " + path);
// Parse a file. An order file contains one symbol per line.
// All symbols that were not present in a given order file are
// considered to have the lowest priority 0 and are placed at
// end of an output section.
- for (std::string S : args::getLines(MB->getMemBufferRef())) {
- if (Config->Machine == I386 && !isDecorated(S))
- S = "_" + S;
+ for (std::string s : args::getLines(mb->getMemBufferRef())) {
+ if (config->machine == I386 && !isDecorated(s))
+ s = "_" + s;
- if (Set.count(S) == 0) {
- if (Config->WarnMissingOrderSymbol)
- warn("/order:" + Arg + ": missing symbol: " + S + " [LNK4037]");
+ if (set.count(s) == 0) {
+ if (config->warnMissingOrderSymbol)
+ warn("/order:" + arg + ": missing symbol: " + s + " [LNK4037]");
}
else
- Config->Order[S] = INT_MIN + Config->Order.size();
+ config->order[s] = INT_MIN + config->order.size();
}
}
-static void markAddrsig(Symbol *S) {
- if (auto *D = dyn_cast_or_null<Defined>(S))
- if (SectionChunk *C = dyn_cast_or_null<SectionChunk>(D->getChunk()))
- C->KeepUnique = true;
+static void markAddrsig(Symbol *s) {
+ if (auto *d = dyn_cast_or_null<Defined>(s))
+ if (SectionChunk *c = dyn_cast_or_null<SectionChunk>(d->getChunk()))
+ c->keepUnique = true;
}
static void findKeepUniqueSections() {
// Exported symbols could be address-significant in other executables or DSOs,
// so we conservatively mark them as address-significant.
- for (Export &R : Config->Exports)
- markAddrsig(R.Sym);
+ for (Export &r : config->exports)
+ markAddrsig(r.sym);
// Visit the address-significance table in each object file and mark each
// referenced symbol as address-significant.
- for (ObjFile *Obj : ObjFile::Instances) {
- ArrayRef<Symbol *> Syms = Obj->getSymbols();
- if (Obj->AddrsigSec) {
- ArrayRef<uint8_t> Contents;
+ for (ObjFile *obj : ObjFile::instances) {
+ ArrayRef<Symbol *> syms = obj->getSymbols();
+ if (obj->addrsigSec) {
+ ArrayRef<uint8_t> contents;
cantFail(
- Obj->getCOFFObj()->getSectionContents(Obj->AddrsigSec, Contents));
- const uint8_t *Cur = Contents.begin();
- while (Cur != Contents.end()) {
- unsigned Size;
- const char *Err;
- uint64_t SymIndex = decodeULEB128(Cur, &Size, Contents.end(), &Err);
- if (Err)
- fatal(toString(Obj) + ": could not decode addrsig section: " + Err);
- if (SymIndex >= Syms.size())
- fatal(toString(Obj) + ": invalid symbol index in addrsig section");
- markAddrsig(Syms[SymIndex]);
- Cur += Size;
+ obj->getCOFFObj()->getSectionContents(obj->addrsigSec, contents));
+ const uint8_t *cur = contents.begin();
+ while (cur != contents.end()) {
+ unsigned size;
+ const char *err;
+ uint64_t symIndex = decodeULEB128(cur, &size, contents.end(), &err);
+ if (err)
+ fatal(toString(obj) + ": could not decode addrsig section: " + err);
+ if (symIndex >= syms.size())
+ fatal(toString(obj) + ": invalid symbol index in addrsig section");
+ markAddrsig(syms[symIndex]);
+ cur += size;
}
} else {
// If an object file does not have an address-significance table,
// conservatively mark all of its symbols as address-significant.
- for (Symbol *S : Syms)
- markAddrsig(S);
+ for (Symbol *s : syms)
+ markAddrsig(s);
}
}
}
@@ -928,14 +928,14 @@
// binary).
// lld only supports %_PDB% and %_EXT% and warns on references to all other env
// vars.
-static void parsePDBAltPath(StringRef AltPath) {
- SmallString<128> Buf;
- StringRef PDBBasename =
- sys::path::filename(Config->PDBPath, sys::path::Style::windows);
- StringRef BinaryExtension =
- sys::path::extension(Config->OutputFile, sys::path::Style::windows);
- if (!BinaryExtension.empty())
- BinaryExtension = BinaryExtension.substr(1); // %_EXT% does not include '.'.
+static void parsePDBAltPath(StringRef altPath) {
+ SmallString<128> buf;
+ StringRef pdbBasename =
+ sys::path::filename(config->pdbPath, sys::path::Style::windows);
+ StringRef binaryExtension =
+ sys::path::extension(config->outputFile, sys::path::Style::windows);
+ if (!binaryExtension.empty())
+ binaryExtension = binaryExtension.substr(1); // %_EXT% does not include '.'.
// Invariant:
// +--------- Cursor ('a...' might be the empty string).
@@ -943,34 +943,34 @@
// | | +- SecondMark
// v v v
// a...%...%...
- size_t Cursor = 0;
- while (Cursor < AltPath.size()) {
- size_t FirstMark, SecondMark;
- if ((FirstMark = AltPath.find('%', Cursor)) == StringRef::npos ||
- (SecondMark = AltPath.find('%', FirstMark + 1)) == StringRef::npos) {
+ size_t cursor = 0;
+ while (cursor < altPath.size()) {
+ size_t firstMark, secondMark;
+ if ((firstMark = altPath.find('%', cursor)) == StringRef::npos ||
+ (secondMark = altPath.find('%', firstMark + 1)) == StringRef::npos) {
// Didn't find another full fragment, treat rest of string as literal.
- Buf.append(AltPath.substr(Cursor));
+ buf.append(altPath.substr(cursor));
break;
}
// Found a full fragment. Append text in front of first %, and interpret
// text between first and second % as variable name.
- Buf.append(AltPath.substr(Cursor, FirstMark - Cursor));
- StringRef Var = AltPath.substr(FirstMark, SecondMark - FirstMark + 1);
- if (Var.equals_lower("%_pdb%"))
- Buf.append(PDBBasename);
- else if (Var.equals_lower("%_ext%"))
- Buf.append(BinaryExtension);
+ buf.append(altPath.substr(cursor, firstMark - cursor));
+ StringRef var = altPath.substr(firstMark, secondMark - firstMark + 1);
+ if (var.equals_lower("%_pdb%"))
+ buf.append(pdbBasename);
+ else if (var.equals_lower("%_ext%"))
+ buf.append(binaryExtension);
else {
warn("only %_PDB% and %_EXT% supported in /pdbaltpath:, keeping " +
- Var + " as literal");
- Buf.append(Var);
+ var + " as literal");
+ buf.append(var);
}
- Cursor = SecondMark + 1;
+ cursor = secondMark + 1;
}
- Config->PDBAltPath = Buf;
+ config->pdbAltPath = buf;
}
/// Check that at most one resource obj file was used.
@@ -983,19 +983,19 @@
// LNK4078, mirror that. The normal use of resource files is to give the
// linker many .res files, which are then converted to a single resource obj
// file internally, so this is not a big restriction in practice.
- ObjFile *ResourceObjFile = nullptr;
- for (ObjFile *F : ObjFile::Instances) {
- if (!F->IsResourceObjFile)
+ ObjFile *resourceObjFile = nullptr;
+ for (ObjFile *f : ObjFile::instances) {
+ if (!f->isResourceObjFile)
continue;
- if (!ResourceObjFile) {
- ResourceObjFile = F;
+ if (!resourceObjFile) {
+ resourceObjFile = f;
continue;
}
- error(toString(F) +
+ error(toString(f) +
": more than one resource obj file not allowed, already got " +
- toString(ResourceObjFile));
+ toString(resourceObjFile));
}
}
@@ -1005,39 +1005,39 @@
// explicitly specified. The automatic behavior can be disabled using the
// -exclude-all-symbols option, so that lld-link behaves like link.exe rather
// than MinGW in the case that nothing is explicitly exported.
-void LinkerDriver::maybeExportMinGWSymbols(const opt::InputArgList &Args) {
- if (!Config->DLL)
+void LinkerDriver::maybeExportMinGWSymbols(const opt::InputArgList &args) {
+ if (!config->dll)
return;
- if (!Args.hasArg(OPT_export_all_symbols)) {
- if (!Config->Exports.empty())
+ if (!args.hasArg(OPT_export_all_symbols)) {
+ if (!config->exports.empty())
return;
- if (Args.hasArg(OPT_exclude_all_symbols))
+ if (args.hasArg(OPT_exclude_all_symbols))
return;
}
- AutoExporter Exporter;
+ AutoExporter exporter;
- for (auto *Arg : Args.filtered(OPT_wholearchive_file))
- if (Optional<StringRef> Path = doFindFile(Arg->getValue()))
- Exporter.addWholeArchive(*Path);
+ for (auto *arg : args.filtered(OPT_wholearchive_file))
+ if (Optional<StringRef> path = doFindFile(arg->getValue()))
+ exporter.addWholeArchive(*path);
- Symtab->forEachSymbol([&](Symbol *S) {
- auto *Def = dyn_cast<Defined>(S);
- if (!Exporter.shouldExport(Def))
+ symtab->forEachSymbol([&](Symbol *s) {
+ auto *def = dyn_cast<Defined>(s);
+ if (!exporter.shouldExport(def))
return;
- Export E;
- E.Name = Def->getName();
- E.Sym = Def;
- if (Chunk *C = Def->getChunk())
- if (!(C->getOutputCharacteristics() & IMAGE_SCN_MEM_EXECUTE))
- E.Data = true;
- Config->Exports.push_back(E);
+ Export e;
+ e.name = def->getName();
+ e.sym = def;
+ if (Chunk *c = def->getChunk())
+ if (!(c->getOutputCharacteristics() & IMAGE_SCN_MEM_EXECUTE))
+ e.data = true;
+ config->exports.push_back(e);
});
}
-void LinkerDriver::link(ArrayRef<const char *> ArgsArr) {
+void LinkerDriver::link(ArrayRef<const char *> argsArr) {
// Needed for LTO.
InitializeAllTargetInfos();
InitializeAllTargets();
@@ -1047,306 +1047,306 @@
// If the first command line argument is "/lib", link.exe acts like lib.exe.
// We call our own implementation of lib.exe that understands bitcode files.
- if (ArgsArr.size() > 1 && StringRef(ArgsArr[1]).equals_lower("/lib")) {
- if (llvm::libDriverMain(ArgsArr.slice(1)) != 0)
+ if (argsArr.size() > 1 && StringRef(argsArr[1]).equals_lower("/lib")) {
+ if (llvm::libDriverMain(argsArr.slice(1)) != 0)
fatal("lib failed");
return;
}
// Parse command line options.
- ArgParser Parser;
- opt::InputArgList Args = Parser.parseLINK(ArgsArr);
+ ArgParser parser;
+ opt::InputArgList args = parser.parseLINK(argsArr);
// Parse and evaluate -mllvm options.
- std::vector<const char *> V;
- V.push_back("lld-link (LLVM option parsing)");
- for (auto *Arg : Args.filtered(OPT_mllvm))
- V.push_back(Arg->getValue());
- cl::ParseCommandLineOptions(V.size(), V.data());
+ std::vector<const char *> v;
+ v.push_back("lld-link (LLVM option parsing)");
+ for (auto *arg : args.filtered(OPT_mllvm))
+ v.push_back(arg->getValue());
+ cl::ParseCommandLineOptions(v.size(), v.data());
// Handle /errorlimit early, because error() depends on it.
- if (auto *Arg = Args.getLastArg(OPT_errorlimit)) {
- int N = 20;
- StringRef S = Arg->getValue();
- if (S.getAsInteger(10, N))
- error(Arg->getSpelling() + " number expected, but got " + S);
- errorHandler().ErrorLimit = N;
+ if (auto *arg = args.getLastArg(OPT_errorlimit)) {
+ int n = 20;
+ StringRef s = arg->getValue();
+ if (s.getAsInteger(10, n))
+ error(arg->getSpelling() + " number expected, but got " + s);
+ errorHandler().errorLimit = n;
}
// Handle /help
- if (Args.hasArg(OPT_help)) {
- printHelp(ArgsArr[0]);
+ if (args.hasArg(OPT_help)) {
+ printHelp(argsArr[0]);
return;
}
- lld::ThreadsEnabled = Args.hasFlag(OPT_threads, OPT_threads_no, true);
+ lld::threadsEnabled = args.hasFlag(OPT_threads, OPT_threads_no, true);
- if (Args.hasArg(OPT_show_timing))
- Config->ShowTiming = true;
+ if (args.hasArg(OPT_show_timing))
+ config->showTiming = true;
- Config->ShowSummary = Args.hasArg(OPT_summary);
+ config->showSummary = args.hasArg(OPT_summary);
- ScopedTimer T(Timer::root());
+ ScopedTimer t(Timer::root());
// Handle --version, which is an lld extension. This option is a bit odd
// because it doesn't start with "/", but we deliberately chose "--" to
// avoid conflict with /version and for compatibility with clang-cl.
- if (Args.hasArg(OPT_dash_dash_version)) {
+ if (args.hasArg(OPT_dash_dash_version)) {
outs() << getLLDVersion() << "\n";
return;
}
// Handle /lldmingw early, since it can potentially affect how other
// options are handled.
- Config->MinGW = Args.hasArg(OPT_lldmingw);
+ config->mingw = args.hasArg(OPT_lldmingw);
- if (auto *Arg = Args.getLastArg(OPT_linkrepro)) {
- SmallString<64> Path = StringRef(Arg->getValue());
- sys::path::append(Path, "repro.tar");
+ if (auto *arg = args.getLastArg(OPT_linkrepro)) {
+ SmallString<64> path = StringRef(arg->getValue());
+ sys::path::append(path, "repro.tar");
- Expected<std::unique_ptr<TarWriter>> ErrOrWriter =
- TarWriter::create(Path, "repro");
+ Expected<std::unique_ptr<TarWriter>> errOrWriter =
+ TarWriter::create(path, "repro");
- if (ErrOrWriter) {
- Tar = std::move(*ErrOrWriter);
+ if (errOrWriter) {
+ tar = std::move(*errOrWriter);
} else {
- error("/linkrepro: failed to open " + Path + ": " +
- toString(ErrOrWriter.takeError()));
+ error("/linkrepro: failed to open " + path + ": " +
+ toString(errOrWriter.takeError()));
}
}
- if (!Args.hasArg(OPT_INPUT)) {
- if (Args.hasArg(OPT_deffile))
- Config->NoEntry = true;
+ if (!args.hasArg(OPT_INPUT)) {
+ if (args.hasArg(OPT_deffile))
+ config->noEntry = true;
else
fatal("no input files");
}
// Construct search path list.
- SearchPaths.push_back("");
- for (auto *Arg : Args.filtered(OPT_libpath))
- SearchPaths.push_back(Arg->getValue());
+ searchPaths.push_back("");
+ for (auto *arg : args.filtered(OPT_libpath))
+ searchPaths.push_back(arg->getValue());
addLibSearchPaths();
// Handle /ignore
- for (auto *Arg : Args.filtered(OPT_ignore)) {
- SmallVector<StringRef, 8> Vec;
- StringRef(Arg->getValue()).split(Vec, ',');
- for (StringRef S : Vec) {
- if (S == "4037")
- Config->WarnMissingOrderSymbol = false;
- else if (S == "4099")
- Config->WarnDebugInfoUnusable = false;
- else if (S == "4217")
- Config->WarnLocallyDefinedImported = false;
+ for (auto *arg : args.filtered(OPT_ignore)) {
+ SmallVector<StringRef, 8> vec;
+ StringRef(arg->getValue()).split(vec, ',');
+ for (StringRef s : vec) {
+ if (s == "4037")
+ config->warnMissingOrderSymbol = false;
+ else if (s == "4099")
+ config->warnDebugInfoUnusable = false;
+ else if (s == "4217")
+ config->warnLocallyDefinedImported = false;
// Other warning numbers are ignored.
}
}
// Handle /out
- if (auto *Arg = Args.getLastArg(OPT_out))
- Config->OutputFile = Arg->getValue();
+ if (auto *arg = args.getLastArg(OPT_out))
+ config->outputFile = arg->getValue();
// Handle /verbose
- if (Args.hasArg(OPT_verbose))
- Config->Verbose = true;
- errorHandler().Verbose = Config->Verbose;
+ if (args.hasArg(OPT_verbose))
+ config->verbose = true;
+ errorHandler().verbose = config->verbose;
// Handle /force or /force:unresolved
- if (Args.hasArg(OPT_force, OPT_force_unresolved))
- Config->ForceUnresolved = true;
+ if (args.hasArg(OPT_force, OPT_force_unresolved))
+ config->forceUnresolved = true;
// Handle /force or /force:multiple
- if (Args.hasArg(OPT_force, OPT_force_multiple))
- Config->ForceMultiple = true;
+ if (args.hasArg(OPT_force, OPT_force_multiple))
+ config->forceMultiple = true;
// Handle /force or /force:multipleres
- if (Args.hasArg(OPT_force, OPT_force_multipleres))
- Config->ForceMultipleRes = true;
+ if (args.hasArg(OPT_force, OPT_force_multipleres))
+ config->forceMultipleRes = true;
// Handle /debug
- DebugKind Debug = parseDebugKind(Args);
- if (Debug == DebugKind::Full || Debug == DebugKind::Dwarf ||
- Debug == DebugKind::GHash) {
- Config->Debug = true;
- Config->Incremental = true;
+ DebugKind debug = parseDebugKind(args);
+ if (debug == DebugKind::Full || debug == DebugKind::Dwarf ||
+ debug == DebugKind::GHash) {
+ config->debug = true;
+ config->incremental = true;
}
// Handle /demangle
- Config->Demangle = Args.hasFlag(OPT_demangle, OPT_demangle_no);
+ config->demangle = args.hasFlag(OPT_demangle, OPT_demangle_no);
// Handle /debugtype
- Config->DebugTypes = parseDebugTypes(Args);
+ config->debugTypes = parseDebugTypes(args);
// Handle /pdb
- bool ShouldCreatePDB =
- (Debug == DebugKind::Full || Debug == DebugKind::GHash);
- if (ShouldCreatePDB) {
- if (auto *Arg = Args.getLastArg(OPT_pdb))
- Config->PDBPath = Arg->getValue();
- if (auto *Arg = Args.getLastArg(OPT_pdbaltpath))
- Config->PDBAltPath = Arg->getValue();
- if (Args.hasArg(OPT_natvis))
- Config->NatvisFiles = Args.getAllArgValues(OPT_natvis);
+ bool shouldCreatePDB =
+ (debug == DebugKind::Full || debug == DebugKind::GHash);
+ if (shouldCreatePDB) {
+ if (auto *arg = args.getLastArg(OPT_pdb))
+ config->pdbPath = arg->getValue();
+ if (auto *arg = args.getLastArg(OPT_pdbaltpath))
+ config->pdbAltPath = arg->getValue();
+ if (args.hasArg(OPT_natvis))
+ config->natvisFiles = args.getAllArgValues(OPT_natvis);
- if (auto *Arg = Args.getLastArg(OPT_pdb_source_path))
- Config->PDBSourcePath = Arg->getValue();
+ if (auto *arg = args.getLastArg(OPT_pdb_source_path))
+ config->pdbSourcePath = arg->getValue();
}
// Handle /noentry
- if (Args.hasArg(OPT_noentry)) {
- if (Args.hasArg(OPT_dll))
- Config->NoEntry = true;
+ if (args.hasArg(OPT_noentry)) {
+ if (args.hasArg(OPT_dll))
+ config->noEntry = true;
else
error("/noentry must be specified with /dll");
}
// Handle /dll
- if (Args.hasArg(OPT_dll)) {
- Config->DLL = true;
- Config->ManifestID = 2;
+ if (args.hasArg(OPT_dll)) {
+ config->dll = true;
+ config->manifestID = 2;
}
// Handle /dynamicbase and /fixed. We can't use hasFlag for /dynamicbase
// because we need to explicitly check whether that option or its inverse was
// present in the argument list in order to handle /fixed.
- auto *DynamicBaseArg = Args.getLastArg(OPT_dynamicbase, OPT_dynamicbase_no);
- if (DynamicBaseArg &&
- DynamicBaseArg->getOption().getID() == OPT_dynamicbase_no)
- Config->DynamicBase = false;
+ auto *dynamicBaseArg = args.getLastArg(OPT_dynamicbase, OPT_dynamicbase_no);
+ if (dynamicBaseArg &&
+ dynamicBaseArg->getOption().getID() == OPT_dynamicbase_no)
+ config->dynamicBase = false;
// MSDN claims "/FIXED:NO is the default setting for a DLL, and /FIXED is the
// default setting for any other project type.", but link.exe defaults to
// /FIXED:NO for exe outputs as well. Match behavior, not docs.
- bool Fixed = Args.hasFlag(OPT_fixed, OPT_fixed_no, false);
- if (Fixed) {
- if (DynamicBaseArg &&
- DynamicBaseArg->getOption().getID() == OPT_dynamicbase) {
+ bool fixed = args.hasFlag(OPT_fixed, OPT_fixed_no, false);
+ if (fixed) {
+ if (dynamicBaseArg &&
+ dynamicBaseArg->getOption().getID() == OPT_dynamicbase) {
error("/fixed must not be specified with /dynamicbase");
} else {
- Config->Relocatable = false;
- Config->DynamicBase = false;
+ config->relocatable = false;
+ config->dynamicBase = false;
}
}
// Handle /appcontainer
- Config->AppContainer =
- Args.hasFlag(OPT_appcontainer, OPT_appcontainer_no, false);
+ config->appContainer =
+ args.hasFlag(OPT_appcontainer, OPT_appcontainer_no, false);
// Handle /machine
- if (auto *Arg = Args.getLastArg(OPT_machine)) {
- Config->Machine = getMachineType(Arg->getValue());
- if (Config->Machine == IMAGE_FILE_MACHINE_UNKNOWN)
- fatal(Twine("unknown /machine argument: ") + Arg->getValue());
+ if (auto *arg = args.getLastArg(OPT_machine)) {
+ config->machine = getMachineType(arg->getValue());
+ if (config->machine == IMAGE_FILE_MACHINE_UNKNOWN)
+ fatal(Twine("unknown /machine argument: ") + arg->getValue());
}
// Handle /nodefaultlib:<filename>
- for (auto *Arg : Args.filtered(OPT_nodefaultlib))
- Config->NoDefaultLibs.insert(doFindLib(Arg->getValue()).lower());
+ for (auto *arg : args.filtered(OPT_nodefaultlib))
+ config->noDefaultLibs.insert(doFindLib(arg->getValue()).lower());
// Handle /nodefaultlib
- if (Args.hasArg(OPT_nodefaultlib_all))
- Config->NoDefaultLibAll = true;
+ if (args.hasArg(OPT_nodefaultlib_all))
+ config->noDefaultLibAll = true;
// Handle /base
- if (auto *Arg = Args.getLastArg(OPT_base))
- parseNumbers(Arg->getValue(), &Config->ImageBase);
+ if (auto *arg = args.getLastArg(OPT_base))
+ parseNumbers(arg->getValue(), &config->imageBase);
// Handle /filealign
- if (auto *Arg = Args.getLastArg(OPT_filealign)) {
- parseNumbers(Arg->getValue(), &Config->FileAlign);
- if (!isPowerOf2_64(Config->FileAlign))
- error("/filealign: not a power of two: " + Twine(Config->FileAlign));
+ if (auto *arg = args.getLastArg(OPT_filealign)) {
+ parseNumbers(arg->getValue(), &config->fileAlign);
+ if (!isPowerOf2_64(config->fileAlign))
+ error("/filealign: not a power of two: " + Twine(config->fileAlign));
}
// Handle /stack
- if (auto *Arg = Args.getLastArg(OPT_stack))
- parseNumbers(Arg->getValue(), &Config->StackReserve, &Config->StackCommit);
+ if (auto *arg = args.getLastArg(OPT_stack))
+ parseNumbers(arg->getValue(), &config->stackReserve, &config->stackCommit);
// Handle /guard:cf
- if (auto *Arg = Args.getLastArg(OPT_guard))
- parseGuard(Arg->getValue());
+ if (auto *arg = args.getLastArg(OPT_guard))
+ parseGuard(arg->getValue());
// Handle /heap
- if (auto *Arg = Args.getLastArg(OPT_heap))
- parseNumbers(Arg->getValue(), &Config->HeapReserve, &Config->HeapCommit);
+ if (auto *arg = args.getLastArg(OPT_heap))
+ parseNumbers(arg->getValue(), &config->heapReserve, &config->heapCommit);
// Handle /version
- if (auto *Arg = Args.getLastArg(OPT_version))
- parseVersion(Arg->getValue(), &Config->MajorImageVersion,
- &Config->MinorImageVersion);
+ if (auto *arg = args.getLastArg(OPT_version))
+ parseVersion(arg->getValue(), &config->majorImageVersion,
+ &config->minorImageVersion);
// Handle /subsystem
- if (auto *Arg = Args.getLastArg(OPT_subsystem))
- parseSubsystem(Arg->getValue(), &Config->Subsystem, &Config->MajorOSVersion,
- &Config->MinorOSVersion);
+ if (auto *arg = args.getLastArg(OPT_subsystem))
+ parseSubsystem(arg->getValue(), &config->subsystem, &config->majorOSVersion,
+ &config->minorOSVersion);
// Handle /timestamp
- if (llvm::opt::Arg *Arg = Args.getLastArg(OPT_timestamp, OPT_repro)) {
- if (Arg->getOption().getID() == OPT_repro) {
- Config->Timestamp = 0;
- Config->Repro = true;
+ if (llvm::opt::Arg *arg = args.getLastArg(OPT_timestamp, OPT_repro)) {
+ if (arg->getOption().getID() == OPT_repro) {
+ config->timestamp = 0;
+ config->repro = true;
} else {
- Config->Repro = false;
- StringRef Value(Arg->getValue());
- if (Value.getAsInteger(0, Config->Timestamp))
- fatal(Twine("invalid timestamp: ") + Value +
+ config->repro = false;
+ StringRef value(arg->getValue());
+ if (value.getAsInteger(0, config->timestamp))
+ fatal(Twine("invalid timestamp: ") + value +
". Expected 32-bit integer");
}
} else {
- Config->Repro = false;
- Config->Timestamp = time(nullptr);
+ config->repro = false;
+ config->timestamp = time(nullptr);
}
// Handle /alternatename
- for (auto *Arg : Args.filtered(OPT_alternatename))
- parseAlternateName(Arg->getValue());
+ for (auto *arg : args.filtered(OPT_alternatename))
+ parseAlternateName(arg->getValue());
// Handle /include
- for (auto *Arg : Args.filtered(OPT_incl))
- addUndefined(Arg->getValue());
+ for (auto *arg : args.filtered(OPT_incl))
+ addUndefined(arg->getValue());
// Handle /implib
- if (auto *Arg = Args.getLastArg(OPT_implib))
- Config->Implib = Arg->getValue();
+ if (auto *arg = args.getLastArg(OPT_implib))
+ config->implib = arg->getValue();
// Handle /opt.
- bool DoGC = Debug == DebugKind::None || Args.hasArg(OPT_profile);
- unsigned ICFLevel =
- Args.hasArg(OPT_profile) ? 0 : 1; // 0: off, 1: limited, 2: on
- unsigned TailMerge = 1;
- for (auto *Arg : Args.filtered(OPT_opt)) {
- std::string Str = StringRef(Arg->getValue()).lower();
- SmallVector<StringRef, 1> Vec;
- StringRef(Str).split(Vec, ',');
- for (StringRef S : Vec) {
- if (S == "ref") {
- DoGC = true;
- } else if (S == "noref") {
- DoGC = false;
- } else if (S == "icf" || S.startswith("icf=")) {
- ICFLevel = 2;
- } else if (S == "noicf") {
- ICFLevel = 0;
- } else if (S == "lldtailmerge") {
- TailMerge = 2;
- } else if (S == "nolldtailmerge") {
- TailMerge = 0;
- } else if (S.startswith("lldlto=")) {
- StringRef OptLevel = S.substr(7);
- if (OptLevel.getAsInteger(10, Config->LTOO) || Config->LTOO > 3)
- error("/opt:lldlto: invalid optimization level: " + OptLevel);
- } else if (S.startswith("lldltojobs=")) {
- StringRef Jobs = S.substr(11);
- if (Jobs.getAsInteger(10, Config->ThinLTOJobs) ||
- Config->ThinLTOJobs == 0)
- error("/opt:lldltojobs: invalid job count: " + Jobs);
- } else if (S.startswith("lldltopartitions=")) {
- StringRef N = S.substr(17);
- if (N.getAsInteger(10, Config->LTOPartitions) ||
- Config->LTOPartitions == 0)
- error("/opt:lldltopartitions: invalid partition count: " + N);
- } else if (S != "lbr" && S != "nolbr")
- error("/opt: unknown option: " + S);
+ bool doGC = debug == DebugKind::None || args.hasArg(OPT_profile);
+ unsigned icfLevel =
+ args.hasArg(OPT_profile) ? 0 : 1; // 0: off, 1: limited, 2: on
+ unsigned tailMerge = 1;
+ for (auto *arg : args.filtered(OPT_opt)) {
+ std::string str = StringRef(arg->getValue()).lower();
+ SmallVector<StringRef, 1> vec;
+ StringRef(str).split(vec, ',');
+ for (StringRef s : vec) {
+ if (s == "ref") {
+ doGC = true;
+ } else if (s == "noref") {
+ doGC = false;
+ } else if (s == "icf" || s.startswith("icf=")) {
+ icfLevel = 2;
+ } else if (s == "noicf") {
+ icfLevel = 0;
+ } else if (s == "lldtailmerge") {
+ tailMerge = 2;
+ } else if (s == "nolldtailmerge") {
+ tailMerge = 0;
+ } else if (s.startswith("lldlto=")) {
+ StringRef optLevel = s.substr(7);
+ if (optLevel.getAsInteger(10, config->ltoo) || config->ltoo > 3)
+ error("/opt:lldlto: invalid optimization level: " + optLevel);
+ } else if (s.startswith("lldltojobs=")) {
+ StringRef jobs = s.substr(11);
+ if (jobs.getAsInteger(10, config->thinLTOJobs) ||
+ config->thinLTOJobs == 0)
+ error("/opt:lldltojobs: invalid job count: " + jobs);
+ } else if (s.startswith("lldltopartitions=")) {
+ StringRef n = s.substr(17);
+ if (n.getAsInteger(10, config->ltoPartitions) ||
+ config->ltoPartitions == 0)
+ error("/opt:lldltopartitions: invalid partition count: " + n);
+ } else if (s != "lbr" && s != "nolbr")
+ error("/opt: unknown option: " + s);
}
}
@@ -1355,37 +1355,37 @@
// FIXME: LLD only implements "limited" ICF, i.e. it only merges identical
// code. If the user passes /OPT:ICF explicitly, LLD should merge identical
// comdat readonly data.
- if (ICFLevel == 1 && !DoGC)
- ICFLevel = 0;
- Config->DoGC = DoGC;
- Config->DoICF = ICFLevel > 0;
- Config->TailMerge = (TailMerge == 1 && Config->DoICF) || TailMerge == 2;
+ if (icfLevel == 1 && !doGC)
+ icfLevel = 0;
+ config->doGC = doGC;
+ config->doICF = icfLevel > 0;
+ config->tailMerge = (tailMerge == 1 && config->doICF) || tailMerge == 2;
// Handle /lldsavetemps
- if (Args.hasArg(OPT_lldsavetemps))
- Config->SaveTemps = true;
+ if (args.hasArg(OPT_lldsavetemps))
+ config->saveTemps = true;
// Handle /kill-at
- if (Args.hasArg(OPT_kill_at))
- Config->KillAt = true;
+ if (args.hasArg(OPT_kill_at))
+ config->killAt = true;
// Handle /lldltocache
- if (auto *Arg = Args.getLastArg(OPT_lldltocache))
- Config->LTOCache = Arg->getValue();
+ if (auto *arg = args.getLastArg(OPT_lldltocache))
+ config->ltoCache = arg->getValue();
// Handle /lldsavecachepolicy
- if (auto *Arg = Args.getLastArg(OPT_lldltocachepolicy))
- Config->LTOCachePolicy = CHECK(
- parseCachePruningPolicy(Arg->getValue()),
- Twine("/lldltocachepolicy: invalid cache policy: ") + Arg->getValue());
+ if (auto *arg = args.getLastArg(OPT_lldltocachepolicy))
+ config->ltoCachePolicy = CHECK(
+ parseCachePruningPolicy(arg->getValue()),
+ Twine("/lldltocachepolicy: invalid cache policy: ") + arg->getValue());
// Handle /failifmismatch
- for (auto *Arg : Args.filtered(OPT_failifmismatch))
- checkFailIfMismatch(Arg->getValue(), nullptr);
+ for (auto *arg : args.filtered(OPT_failifmismatch))
+ checkFailIfMismatch(arg->getValue(), nullptr);
// Handle /merge
- for (auto *Arg : Args.filtered(OPT_merge))
- parseMerge(Arg->getValue());
+ for (auto *arg : args.filtered(OPT_merge))
+ parseMerge(arg->getValue());
// Add default section merging rules after user rules. User rules take
// precedence, but we will emit a warning if there is a conflict.
@@ -1395,128 +1395,128 @@
parseMerge(".xdata=.rdata");
parseMerge(".bss=.data");
- if (Config->MinGW) {
+ if (config->mingw) {
parseMerge(".ctors=.rdata");
parseMerge(".dtors=.rdata");
parseMerge(".CRT=.rdata");
}
// Handle /section
- for (auto *Arg : Args.filtered(OPT_section))
- parseSection(Arg->getValue());
+ for (auto *arg : args.filtered(OPT_section))
+ parseSection(arg->getValue());
// Handle /aligncomm
- for (auto *Arg : Args.filtered(OPT_aligncomm))
- parseAligncomm(Arg->getValue());
+ for (auto *arg : args.filtered(OPT_aligncomm))
+ parseAligncomm(arg->getValue());
// Handle /manifestdependency. This enables /manifest unless /manifest:no is
// also passed.
- if (auto *Arg = Args.getLastArg(OPT_manifestdependency)) {
- Config->ManifestDependency = Arg->getValue();
- Config->Manifest = Configuration::SideBySide;
+ if (auto *arg = args.getLastArg(OPT_manifestdependency)) {
+ config->manifestDependency = arg->getValue();
+ config->manifest = Configuration::SideBySide;
}
// Handle /manifest and /manifest:
- if (auto *Arg = Args.getLastArg(OPT_manifest, OPT_manifest_colon)) {
- if (Arg->getOption().getID() == OPT_manifest)
- Config->Manifest = Configuration::SideBySide;
+ if (auto *arg = args.getLastArg(OPT_manifest, OPT_manifest_colon)) {
+ if (arg->getOption().getID() == OPT_manifest)
+ config->manifest = Configuration::SideBySide;
else
- parseManifest(Arg->getValue());
+ parseManifest(arg->getValue());
}
// Handle /manifestuac
- if (auto *Arg = Args.getLastArg(OPT_manifestuac))
- parseManifestUAC(Arg->getValue());
+ if (auto *arg = args.getLastArg(OPT_manifestuac))
+ parseManifestUAC(arg->getValue());
// Handle /manifestfile
- if (auto *Arg = Args.getLastArg(OPT_manifestfile))
- Config->ManifestFile = Arg->getValue();
+ if (auto *arg = args.getLastArg(OPT_manifestfile))
+ config->manifestFile = arg->getValue();
// Handle /manifestinput
- for (auto *Arg : Args.filtered(OPT_manifestinput))
- Config->ManifestInput.push_back(Arg->getValue());
+ for (auto *arg : args.filtered(OPT_manifestinput))
+ config->manifestInput.push_back(arg->getValue());
- if (!Config->ManifestInput.empty() &&
- Config->Manifest != Configuration::Embed) {
+ if (!config->manifestInput.empty() &&
+ config->manifest != Configuration::Embed) {
fatal("/manifestinput: requires /manifest:embed");
}
// Handle miscellaneous boolean flags.
- Config->AllowBind = Args.hasFlag(OPT_allowbind, OPT_allowbind_no, true);
- Config->AllowIsolation =
- Args.hasFlag(OPT_allowisolation, OPT_allowisolation_no, true);
- Config->Incremental =
- Args.hasFlag(OPT_incremental, OPT_incremental_no,
- !Config->DoGC && !Config->DoICF && !Args.hasArg(OPT_order) &&
- !Args.hasArg(OPT_profile));
- Config->IntegrityCheck =
- Args.hasFlag(OPT_integritycheck, OPT_integritycheck_no, false);
- Config->NxCompat = Args.hasFlag(OPT_nxcompat, OPT_nxcompat_no, true);
- for (auto *Arg : Args.filtered(OPT_swaprun))
- parseSwaprun(Arg->getValue());
- Config->TerminalServerAware =
- !Config->DLL && Args.hasFlag(OPT_tsaware, OPT_tsaware_no, true);
- Config->DebugDwarf = Debug == DebugKind::Dwarf;
- Config->DebugGHashes = Debug == DebugKind::GHash;
- Config->DebugSymtab = Debug == DebugKind::Symtab;
+ config->allowBind = args.hasFlag(OPT_allowbind, OPT_allowbind_no, true);
+ config->allowIsolation =
+ args.hasFlag(OPT_allowisolation, OPT_allowisolation_no, true);
+ config->incremental =
+ args.hasFlag(OPT_incremental, OPT_incremental_no,
+ !config->doGC && !config->doICF && !args.hasArg(OPT_order) &&
+ !args.hasArg(OPT_profile));
+ config->integrityCheck =
+ args.hasFlag(OPT_integritycheck, OPT_integritycheck_no, false);
+ config->nxCompat = args.hasFlag(OPT_nxcompat, OPT_nxcompat_no, true);
+ for (auto *arg : args.filtered(OPT_swaprun))
+ parseSwaprun(arg->getValue());
+ config->terminalServerAware =
+ !config->dll && args.hasFlag(OPT_tsaware, OPT_tsaware_no, true);
+ config->debugDwarf = debug == DebugKind::Dwarf;
+ config->debugGHashes = debug == DebugKind::GHash;
+ config->debugSymtab = debug == DebugKind::Symtab;
- Config->MapFile = getMapFile(Args);
+ config->mapFile = getMapFile(args);
- if (Config->Incremental && Args.hasArg(OPT_profile)) {
+ if (config->incremental && args.hasArg(OPT_profile)) {
warn("ignoring '/incremental' due to '/profile' specification");
- Config->Incremental = false;
+ config->incremental = false;
}
- if (Config->Incremental && Args.hasArg(OPT_order)) {
+ if (config->incremental && args.hasArg(OPT_order)) {
warn("ignoring '/incremental' due to '/order' specification");
- Config->Incremental = false;
+ config->incremental = false;
}
- if (Config->Incremental && Config->DoGC) {
+ if (config->incremental && config->doGC) {
warn("ignoring '/incremental' because REF is enabled; use '/opt:noref' to "
"disable");
- Config->Incremental = false;
+ config->incremental = false;
}
- if (Config->Incremental && Config->DoICF) {
+ if (config->incremental && config->doICF) {
warn("ignoring '/incremental' because ICF is enabled; use '/opt:noicf' to "
"disable");
- Config->Incremental = false;
+ config->incremental = false;
}
if (errorCount())
return;
- std::set<sys::fs::UniqueID> WholeArchives;
- for (auto *Arg : Args.filtered(OPT_wholearchive_file))
- if (Optional<StringRef> Path = doFindFile(Arg->getValue()))
- if (Optional<sys::fs::UniqueID> ID = getUniqueID(*Path))
- WholeArchives.insert(*ID);
+ std::set<sys::fs::UniqueID> wholeArchives;
+ for (auto *arg : args.filtered(OPT_wholearchive_file))
+ if (Optional<StringRef> path = doFindFile(arg->getValue()))
+ if (Optional<sys::fs::UniqueID> id = getUniqueID(*path))
+ wholeArchives.insert(*id);
// A predicate returning true if a given path is an argument for
// /wholearchive:, or /wholearchive is enabled globally.
// This function is a bit tricky because "foo.obj /wholearchive:././foo.obj"
// needs to be handled as "/wholearchive:foo.obj foo.obj".
- auto IsWholeArchive = [&](StringRef Path) -> bool {
- if (Args.hasArg(OPT_wholearchive_flag))
+ auto isWholeArchive = [&](StringRef path) -> bool {
+ if (args.hasArg(OPT_wholearchive_flag))
return true;
- if (Optional<sys::fs::UniqueID> ID = getUniqueID(Path))
- return WholeArchives.count(*ID);
+ if (Optional<sys::fs::UniqueID> id = getUniqueID(path))
+ return wholeArchives.count(*id);
return false;
};
// Create a list of input files. Files can be given as arguments
// for /defaultlib option.
- for (auto *Arg : Args.filtered(OPT_INPUT, OPT_wholearchive_file))
- if (Optional<StringRef> Path = findFile(Arg->getValue()))
- enqueuePath(*Path, IsWholeArchive(*Path));
+ for (auto *arg : args.filtered(OPT_INPUT, OPT_wholearchive_file))
+ if (Optional<StringRef> path = findFile(arg->getValue()))
+ enqueuePath(*path, isWholeArchive(*path));
- for (auto *Arg : Args.filtered(OPT_defaultlib))
- if (Optional<StringRef> Path = findLib(Arg->getValue()))
- enqueuePath(*Path, false);
+ for (auto *arg : args.filtered(OPT_defaultlib))
+ if (Optional<StringRef> path = findLib(arg->getValue()))
+ enqueuePath(*path, false);
// Windows specific -- Create a resource file containing a manifest file.
- if (Config->Manifest == Configuration::Embed)
+ if (config->manifest == Configuration::Embed)
addBuffer(createManifestRes(), false);
// Read all input files given via the command line.
@@ -1527,61 +1527,61 @@
// We should have inferred a machine type by now from the input files, but if
// not we assume x64.
- if (Config->Machine == IMAGE_FILE_MACHINE_UNKNOWN) {
+ if (config->machine == IMAGE_FILE_MACHINE_UNKNOWN) {
warn("/machine is not specified. x64 is assumed");
- Config->Machine = AMD64;
+ config->machine = AMD64;
}
- Config->Wordsize = Config->is64() ? 8 : 4;
+ config->wordsize = config->is64() ? 8 : 4;
// Handle /functionpadmin
- for (auto *Arg : Args.filtered(OPT_functionpadmin, OPT_functionpadmin_opt))
- parseFunctionPadMin(Arg, Config->Machine);
+ for (auto *arg : args.filtered(OPT_functionpadmin, OPT_functionpadmin_opt))
+ parseFunctionPadMin(arg, config->machine);
// Input files can be Windows resource files (.res files). We use
// WindowsResource to convert resource files to a regular COFF file,
// then link the resulting file normally.
- if (!Resources.empty())
- Symtab->addFile(make<ObjFile>(convertResToCOFF(Resources)));
+ if (!resources.empty())
+ symtab->addFile(make<ObjFile>(convertResToCOFF(resources)));
- if (Tar)
- Tar->append("response.txt",
- createResponseFile(Args, FilePaths,
- ArrayRef<StringRef>(SearchPaths).slice(1)));
+ if (tar)
+ tar->append("response.txt",
+ createResponseFile(args, filePaths,
+ ArrayRef<StringRef>(searchPaths).slice(1)));
// Handle /largeaddressaware
- Config->LargeAddressAware = Args.hasFlag(
- OPT_largeaddressaware, OPT_largeaddressaware_no, Config->is64());
+ config->largeAddressAware = args.hasFlag(
+ OPT_largeaddressaware, OPT_largeaddressaware_no, config->is64());
// Handle /highentropyva
- Config->HighEntropyVA =
- Config->is64() &&
- Args.hasFlag(OPT_highentropyva, OPT_highentropyva_no, true);
+ config->highEntropyVA =
+ config->is64() &&
+ args.hasFlag(OPT_highentropyva, OPT_highentropyva_no, true);
- if (!Config->DynamicBase &&
- (Config->Machine == ARMNT || Config->Machine == ARM64))
+ if (!config->dynamicBase &&
+ (config->machine == ARMNT || config->machine == ARM64))
error("/dynamicbase:no is not compatible with " +
- machineToStr(Config->Machine));
+ machineToStr(config->machine));
// Handle /export
- for (auto *Arg : Args.filtered(OPT_export)) {
- Export E = parseExport(Arg->getValue());
- if (Config->Machine == I386) {
- if (!isDecorated(E.Name))
- E.Name = Saver.save("_" + E.Name);
- if (!E.ExtName.empty() && !isDecorated(E.ExtName))
- E.ExtName = Saver.save("_" + E.ExtName);
+ for (auto *arg : args.filtered(OPT_export)) {
+ Export e = parseExport(arg->getValue());
+ if (config->machine == I386) {
+ if (!isDecorated(e.name))
+ e.name = saver.save("_" + e.name);
+ if (!e.extName.empty() && !isDecorated(e.extName))
+ e.extName = saver.save("_" + e.extName);
}
- Config->Exports.push_back(E);
+ config->exports.push_back(e);
}
// Handle /def
- if (auto *Arg = Args.getLastArg(OPT_deffile)) {
+ if (auto *arg = args.getLastArg(OPT_deffile)) {
// parseModuleDefs mutates Config object.
- parseModuleDefs(Arg->getValue());
+ parseModuleDefs(arg->getValue());
}
// Handle generation of import library from a def file.
- if (!Args.hasArg(OPT_INPUT)) {
+ if (!args.hasArg(OPT_INPUT)) {
fixupExports();
createImportLibrary(/*AsLib=*/true);
return;
@@ -1590,101 +1590,101 @@
// Windows specific -- if no /subsystem is given, we need to infer
// that from entry point name. Must happen before /entry handling,
// and after the early return when just writing an import library.
- if (Config->Subsystem == IMAGE_SUBSYSTEM_UNKNOWN) {
- Config->Subsystem = inferSubsystem();
- if (Config->Subsystem == IMAGE_SUBSYSTEM_UNKNOWN)
+ if (config->subsystem == IMAGE_SUBSYSTEM_UNKNOWN) {
+ config->subsystem = inferSubsystem();
+ if (config->subsystem == IMAGE_SUBSYSTEM_UNKNOWN)
fatal("subsystem must be defined");
}
// Handle /entry and /dll
- if (auto *Arg = Args.getLastArg(OPT_entry)) {
- Config->Entry = addUndefined(mangle(Arg->getValue()));
- } else if (!Config->Entry && !Config->NoEntry) {
- if (Args.hasArg(OPT_dll)) {
- StringRef S = (Config->Machine == I386) ? "__DllMainCRTStartup@12"
+ if (auto *arg = args.getLastArg(OPT_entry)) {
+ config->entry = addUndefined(mangle(arg->getValue()));
+ } else if (!config->entry && !config->noEntry) {
+ if (args.hasArg(OPT_dll)) {
+ StringRef s = (config->machine == I386) ? "__DllMainCRTStartup@12"
: "_DllMainCRTStartup";
- Config->Entry = addUndefined(S);
+ config->entry = addUndefined(s);
} else {
// Windows specific -- If entry point name is not given, we need to
// infer that from user-defined entry name.
- StringRef S = findDefaultEntry();
- if (S.empty())
+ StringRef s = findDefaultEntry();
+ if (s.empty())
fatal("entry point must be defined");
- Config->Entry = addUndefined(S);
- log("Entry name inferred: " + S);
+ config->entry = addUndefined(s);
+ log("Entry name inferred: " + s);
}
}
// Handle /delayload
- for (auto *Arg : Args.filtered(OPT_delayload)) {
- Config->DelayLoads.insert(StringRef(Arg->getValue()).lower());
- if (Config->Machine == I386) {
- Config->DelayLoadHelper = addUndefined("___delayLoadHelper2@8");
+ for (auto *arg : args.filtered(OPT_delayload)) {
+ config->delayLoads.insert(StringRef(arg->getValue()).lower());
+ if (config->machine == I386) {
+ config->delayLoadHelper = addUndefined("___delayLoadHelper2@8");
} else {
- Config->DelayLoadHelper = addUndefined("__delayLoadHelper2");
+ config->delayLoadHelper = addUndefined("__delayLoadHelper2");
}
}
// Set default image name if neither /out or /def set it.
- if (Config->OutputFile.empty()) {
- Config->OutputFile =
- getOutputPath((*Args.filtered(OPT_INPUT).begin())->getValue());
+ if (config->outputFile.empty()) {
+ config->outputFile =
+ getOutputPath((*args.filtered(OPT_INPUT).begin())->getValue());
}
// Fail early if an output file is not writable.
- if (auto E = tryCreateFile(Config->OutputFile)) {
- error("cannot open output file " + Config->OutputFile + ": " + E.message());
+ if (auto e = tryCreateFile(config->outputFile)) {
+ error("cannot open output file " + config->outputFile + ": " + e.message());
return;
}
- if (ShouldCreatePDB) {
+ if (shouldCreatePDB) {
// Put the PDB next to the image if no /pdb flag was passed.
- if (Config->PDBPath.empty()) {
- Config->PDBPath = Config->OutputFile;
- sys::path::replace_extension(Config->PDBPath, ".pdb");
+ if (config->pdbPath.empty()) {
+ config->pdbPath = config->outputFile;
+ sys::path::replace_extension(config->pdbPath, ".pdb");
}
// The embedded PDB path should be the absolute path to the PDB if no
// /pdbaltpath flag was passed.
- if (Config->PDBAltPath.empty()) {
- Config->PDBAltPath = Config->PDBPath;
+ if (config->pdbAltPath.empty()) {
+ config->pdbAltPath = config->pdbPath;
// It's important to make the path absolute and remove dots. This path
// will eventually be written into the PE header, and certain Microsoft
// tools won't work correctly if these assumptions are not held.
- sys::fs::make_absolute(Config->PDBAltPath);
- sys::path::remove_dots(Config->PDBAltPath);
+ sys::fs::make_absolute(config->pdbAltPath);
+ sys::path::remove_dots(config->pdbAltPath);
} else {
// Don't do this earlier, so that Config->OutputFile is ready.
- parsePDBAltPath(Config->PDBAltPath);
+ parsePDBAltPath(config->pdbAltPath);
}
}
// Set default image base if /base is not given.
- if (Config->ImageBase == uint64_t(-1))
- Config->ImageBase = getDefaultImageBase();
+ if (config->imageBase == uint64_t(-1))
+ config->imageBase = getDefaultImageBase();
- Symtab->addSynthetic(mangle("__ImageBase"), nullptr);
- if (Config->Machine == I386) {
- Symtab->addAbsolute("___safe_se_handler_table", 0);
- Symtab->addAbsolute("___safe_se_handler_count", 0);
+ symtab->addSynthetic(mangle("__ImageBase"), nullptr);
+ if (config->machine == I386) {
+ symtab->addAbsolute("___safe_se_handler_table", 0);
+ symtab->addAbsolute("___safe_se_handler_count", 0);
}
- Symtab->addAbsolute(mangle("__guard_fids_count"), 0);
- Symtab->addAbsolute(mangle("__guard_fids_table"), 0);
- Symtab->addAbsolute(mangle("__guard_flags"), 0);
- Symtab->addAbsolute(mangle("__guard_iat_count"), 0);
- Symtab->addAbsolute(mangle("__guard_iat_table"), 0);
- Symtab->addAbsolute(mangle("__guard_longjmp_count"), 0);
- Symtab->addAbsolute(mangle("__guard_longjmp_table"), 0);
+ symtab->addAbsolute(mangle("__guard_fids_count"), 0);
+ symtab->addAbsolute(mangle("__guard_fids_table"), 0);
+ symtab->addAbsolute(mangle("__guard_flags"), 0);
+ symtab->addAbsolute(mangle("__guard_iat_count"), 0);
+ symtab->addAbsolute(mangle("__guard_iat_table"), 0);
+ symtab->addAbsolute(mangle("__guard_longjmp_count"), 0);
+ symtab->addAbsolute(mangle("__guard_longjmp_table"), 0);
// Needed for MSVC 2017 15.5 CRT.
- Symtab->addAbsolute(mangle("__enclave_config"), 0);
+ symtab->addAbsolute(mangle("__enclave_config"), 0);
- if (Config->MinGW) {
- Symtab->addAbsolute(mangle("__RUNTIME_PSEUDO_RELOC_LIST__"), 0);
- Symtab->addAbsolute(mangle("__RUNTIME_PSEUDO_RELOC_LIST_END__"), 0);
- Symtab->addAbsolute(mangle("__CTOR_LIST__"), 0);
- Symtab->addAbsolute(mangle("__DTOR_LIST__"), 0);
+ if (config->mingw) {
+ symtab->addAbsolute(mangle("__RUNTIME_PSEUDO_RELOC_LIST__"), 0);
+ symtab->addAbsolute(mangle("__RUNTIME_PSEUDO_RELOC_LIST_END__"), 0);
+ symtab->addAbsolute(mangle("__CTOR_LIST__"), 0);
+ symtab->addAbsolute(mangle("__DTOR_LIST__"), 0);
}
// This code may add new undefined symbols to the link, which may enqueue more
@@ -1693,33 +1693,33 @@
do {
// Windows specific -- if entry point is not found,
// search for its mangled names.
- if (Config->Entry)
- mangleMaybe(Config->Entry);
+ if (config->entry)
+ mangleMaybe(config->entry);
// Windows specific -- Make sure we resolve all dllexported symbols.
- for (Export &E : Config->Exports) {
- if (!E.ForwardTo.empty())
+ for (Export &e : config->exports) {
+ if (!e.forwardTo.empty())
continue;
- E.Sym = addUndefined(E.Name);
- if (!E.Directives)
- E.SymbolName = mangleMaybe(E.Sym);
+ e.sym = addUndefined(e.name);
+ if (!e.directives)
+ e.symbolName = mangleMaybe(e.sym);
}
// Add weak aliases. Weak aliases is a mechanism to give remaining
// undefined symbols final chance to be resolved successfully.
- for (auto Pair : Config->AlternateNames) {
- StringRef From = Pair.first;
- StringRef To = Pair.second;
- Symbol *Sym = Symtab->find(From);
- if (!Sym)
+ for (auto pair : config->alternateNames) {
+ StringRef from = pair.first;
+ StringRef to = pair.second;
+ Symbol *sym = symtab->find(from);
+ if (!sym)
continue;
- if (auto *U = dyn_cast<Undefined>(Sym))
- if (!U->WeakAlias)
- U->WeakAlias = Symtab->addUndefined(To);
+ if (auto *u = dyn_cast<Undefined>(sym))
+ if (!u->weakAlias)
+ u->weakAlias = symtab->addUndefined(to);
}
// Windows specific -- if __load_config_used can be resolved, resolve it.
- if (Symtab->findUnderscore("_load_config_used"))
+ if (symtab->findUnderscore("_load_config_used"))
addUndefined(mangle("_load_config_used"));
} while (run());
@@ -1728,18 +1728,18 @@
// Do LTO by compiling bitcode input files to a set of native COFF files then
// link those files.
- Symtab->addCombinedLTOObjects();
+ symtab->addCombinedLTOObjects();
run();
- if (Args.hasArg(OPT_include_optional)) {
+ if (args.hasArg(OPT_include_optional)) {
// Handle /includeoptional
- for (auto *Arg : Args.filtered(OPT_include_optional))
- if (dyn_cast_or_null<Lazy>(Symtab->find(Arg->getValue())))
- addUndefined(Arg->getValue());
+ for (auto *arg : args.filtered(OPT_include_optional))
+ if (dyn_cast_or_null<Lazy>(symtab->find(arg->getValue())))
+ addUndefined(arg->getValue());
while (run());
}
- if (Config->MinGW) {
+ if (config->mingw) {
// Load any further object files that might be needed for doing automatic
// imports.
//
@@ -1753,28 +1753,28 @@
// normal object file as well (although that won't be used for the
// actual autoimport later on). If this pass adds new undefined references,
// we won't iterate further to resolve them.
- Symtab->loadMinGWAutomaticImports();
+ symtab->loadMinGWAutomaticImports();
run();
}
// Make sure we have resolved all symbols.
- Symtab->reportRemainingUndefines();
+ symtab->reportRemainingUndefines();
if (errorCount())
return;
// Handle /safeseh.
- if (Args.hasFlag(OPT_safeseh, OPT_safeseh_no, false)) {
- for (ObjFile *File : ObjFile::Instances)
- if (!File->hasSafeSEH())
- error("/safeseh: " + File->getName() + " is not compatible with SEH");
+ if (args.hasFlag(OPT_safeseh, OPT_safeseh_no, false)) {
+ for (ObjFile *file : ObjFile::instances)
+ if (!file->hasSafeSEH())
+ error("/safeseh: " + file->getName() + " is not compatible with SEH");
if (errorCount())
return;
}
- if (Config->MinGW) {
+ if (config->mingw) {
// In MinGW, all symbols are automatically exported if no symbols
// are chosen to be exported.
- maybeExportMinGWSymbols(Args);
+ maybeExportMinGWSymbols(args);
// Make sure the crtend.o object is the last object file. This object
// file can contain terminating section chunks that need to be placed
@@ -1782,12 +1782,12 @@
// order provided on the command line, while lld will pull in needed
// files from static libraries only after the last object file on the
// command line.
- for (auto I = ObjFile::Instances.begin(), E = ObjFile::Instances.end();
- I != E; I++) {
- ObjFile *File = *I;
- if (isCrtend(File->getName())) {
- ObjFile::Instances.erase(I);
- ObjFile::Instances.push_back(File);
+ for (auto i = ObjFile::instances.begin(), e = ObjFile::instances.end();
+ i != e; i++) {
+ ObjFile *file = *i;
+ if (isCrtend(file->getName())) {
+ ObjFile::instances.erase(i);
+ ObjFile::instances.push_back(file);
break;
}
}
@@ -1795,58 +1795,58 @@
// Windows specific -- when we are creating a .dll file, we also
// need to create a .lib file.
- if (!Config->Exports.empty() || Config->DLL) {
+ if (!config->exports.empty() || config->dll) {
fixupExports();
createImportLibrary(/*AsLib=*/false);
assignExportOrdinals();
}
// Handle /output-def (MinGW specific).
- if (auto *Arg = Args.getLastArg(OPT_output_def))
- writeDefFile(Arg->getValue());
+ if (auto *arg = args.getLastArg(OPT_output_def))
+ writeDefFile(arg->getValue());
// Set extra alignment for .comm symbols
- for (auto Pair : Config->AlignComm) {
- StringRef Name = Pair.first;
- uint32_t Alignment = Pair.second;
+ for (auto pair : config->alignComm) {
+ StringRef name = pair.first;
+ uint32_t alignment = pair.second;
- Symbol *Sym = Symtab->find(Name);
- if (!Sym) {
- warn("/aligncomm symbol " + Name + " not found");
+ Symbol *sym = symtab->find(name);
+ if (!sym) {
+ warn("/aligncomm symbol " + name + " not found");
continue;
}
// If the symbol isn't common, it must have been replaced with a regular
// symbol, which will carry its own alignment.
- auto *DC = dyn_cast<DefinedCommon>(Sym);
- if (!DC)
+ auto *dc = dyn_cast<DefinedCommon>(sym);
+ if (!dc)
continue;
- CommonChunk *C = DC->getChunk();
- C->setAlignment(std::max(C->getAlignment(), Alignment));
+ CommonChunk *c = dc->getChunk();
+ c->setAlignment(std::max(c->getAlignment(), alignment));
}
// Windows specific -- Create a side-by-side manifest file.
- if (Config->Manifest == Configuration::SideBySide)
+ if (config->manifest == Configuration::SideBySide)
createSideBySideManifest();
// Handle /order. We want to do this at this moment because we
// need a complete list of comdat sections to warn on nonexistent
// functions.
- if (auto *Arg = Args.getLastArg(OPT_order))
- parseOrderFile(Arg->getValue());
+ if (auto *arg = args.getLastArg(OPT_order))
+ parseOrderFile(arg->getValue());
// Identify unreferenced COMDAT sections.
- if (Config->DoGC)
- markLive(Symtab->getChunks());
+ if (config->doGC)
+ markLive(symtab->getChunks());
// Needs to happen after the last call to addFile().
diagnoseMultipleResourceObjFiles();
// Identify identical COMDAT sections to merge them.
- if (Config->DoICF) {
+ if (config->doICF) {
findKeepUniqueSections();
- doICF(Symtab->getChunks());
+ doICF(symtab->getChunks());
}
// Write the result.
@@ -1854,7 +1854,7 @@
// Stop early so we can print the results.
Timer::root().stop();
- if (Config->ShowTiming)
+ if (config->showTiming)
Timer::root().print();
}
diff --git a/lld/COFF/Driver.h b/lld/COFF/Driver.h
index 1e93531..6100c3c 100644
--- a/lld/COFF/Driver.h
+++ b/lld/COFF/Driver.h
@@ -30,7 +30,7 @@
namespace coff {
class LinkerDriver;
-extern LinkerDriver *Driver;
+extern LinkerDriver *driver;
using llvm::COFF::MachineTypes;
using llvm::COFF::WindowsSubsystem;
@@ -44,71 +44,71 @@
class ArgParser {
public:
// Concatenate LINK environment variable and given arguments and parse them.
- llvm::opt::InputArgList parseLINK(std::vector<const char *> Args);
+ llvm::opt::InputArgList parseLINK(std::vector<const char *> args);
// Tokenizes a given string and then parses as command line options.
- llvm::opt::InputArgList parse(StringRef S) { return parse(tokenize(S)); }
+ llvm::opt::InputArgList parse(StringRef s) { return parse(tokenize(s)); }
// Tokenizes a given string and then parses as command line options in
// .drectve section. /EXPORT options are returned in second element
// to be processed in fastpath.
std::pair<llvm::opt::InputArgList, std::vector<StringRef>>
- parseDirectives(StringRef S);
+ parseDirectives(StringRef s);
private:
// Parses command line options.
- llvm::opt::InputArgList parse(llvm::ArrayRef<const char *> Args);
+ llvm::opt::InputArgList parse(llvm::ArrayRef<const char *> args);
- std::vector<const char *> tokenize(StringRef S);
+ std::vector<const char *> tokenize(StringRef s);
- COFFOptTable Table;
+ COFFOptTable table;
};
class LinkerDriver {
public:
- void link(llvm::ArrayRef<const char *> Args);
+ void link(llvm::ArrayRef<const char *> args);
// Used by the resolver to parse .drectve section contents.
- void parseDirectives(InputFile *File);
+ void parseDirectives(InputFile *file);
// Used by ArchiveFile to enqueue members.
- void enqueueArchiveMember(const Archive::Child &C, StringRef SymName,
- StringRef ParentName);
+ void enqueueArchiveMember(const Archive::Child &c, StringRef symName,
+ StringRef parentName);
- MemoryBufferRef takeBuffer(std::unique_ptr<MemoryBuffer> MB);
+ MemoryBufferRef takeBuffer(std::unique_ptr<MemoryBuffer> mb);
- void enqueuePath(StringRef Path, bool WholeArchive);
+ void enqueuePath(StringRef path, bool wholeArchive);
private:
- std::unique_ptr<llvm::TarWriter> Tar; // for /linkrepro
+ std::unique_ptr<llvm::TarWriter> tar; // for /linkrepro
// Opens a file. Path has to be resolved already.
- MemoryBufferRef openFile(StringRef Path);
+ MemoryBufferRef openFile(StringRef path);
// Searches a file from search paths.
- Optional<StringRef> findFile(StringRef Filename);
- Optional<StringRef> findLib(StringRef Filename);
- StringRef doFindFile(StringRef Filename);
- StringRef doFindLib(StringRef Filename);
- StringRef doFindLibMinGW(StringRef Filename);
+ Optional<StringRef> findFile(StringRef filename);
+ Optional<StringRef> findLib(StringRef filename);
+ StringRef doFindFile(StringRef filename);
+ StringRef doFindLib(StringRef filename);
+ StringRef doFindLibMinGW(StringRef filename);
// Parses LIB environment which contains a list of search paths.
void addLibSearchPaths();
// Library search path. The first element is always "" (current directory).
- std::vector<StringRef> SearchPaths;
+ std::vector<StringRef> searchPaths;
- void maybeExportMinGWSymbols(const llvm::opt::InputArgList &Args);
+ void maybeExportMinGWSymbols(const llvm::opt::InputArgList &args);
// We don't want to add the same file more than once.
// Files are uniquified by their filesystem and file number.
- std::set<llvm::sys::fs::UniqueID> VisitedFiles;
+ std::set<llvm::sys::fs::UniqueID> visitedFiles;
- std::set<std::string> VisitedLibs;
+ std::set<std::string> visitedLibs;
- Symbol *addUndefined(StringRef Sym);
+ Symbol *addUndefined(StringRef sym);
- StringRef mangleMaybe(Symbol *S);
+ StringRef mangleMaybe(Symbol *s);
// Windows specific -- "main" is not the only main function in Windows.
// You can choose one from these four -- {w,}{WinMain,main}.
@@ -120,36 +120,36 @@
StringRef findDefaultEntry();
WindowsSubsystem inferSubsystem();
- void addBuffer(std::unique_ptr<MemoryBuffer> MB, bool WholeArchive);
- void addArchiveBuffer(MemoryBufferRef MBRef, StringRef SymName,
- StringRef ParentName, uint64_t OffsetInArchive);
+ void addBuffer(std::unique_ptr<MemoryBuffer> mb, bool wholeArchive);
+ void addArchiveBuffer(MemoryBufferRef mbref, StringRef symName,
+ StringRef parentName, uint64_t offsetInArchive);
- void enqueueTask(std::function<void()> Task);
+ void enqueueTask(std::function<void()> task);
bool run();
- std::list<std::function<void()>> TaskQueue;
- std::vector<StringRef> FilePaths;
- std::vector<MemoryBufferRef> Resources;
+ std::list<std::function<void()>> taskQueue;
+ std::vector<StringRef> filePaths;
+ std::vector<MemoryBufferRef> resources;
- llvm::StringSet<> DirectivesExports;
+ llvm::StringSet<> directivesExports;
};
// Functions below this line are defined in DriverUtils.cpp.
-void printHelp(const char *Argv0);
+void printHelp(const char *argv0);
// Parses a string in the form of "<integer>[,<integer>]".
-void parseNumbers(StringRef Arg, uint64_t *Addr, uint64_t *Size = nullptr);
+void parseNumbers(StringRef arg, uint64_t *addr, uint64_t *size = nullptr);
-void parseGuard(StringRef Arg);
+void parseGuard(StringRef arg);
// Parses a string in the form of "<integer>[.<integer>]".
// Minor's default value is 0.
-void parseVersion(StringRef Arg, uint32_t *Major, uint32_t *Minor);
+void parseVersion(StringRef arg, uint32_t *major, uint32_t *minor);
// Parses a string in the form of "<subsystem>[,<integer>[.<integer>]]".
-void parseSubsystem(StringRef Arg, WindowsSubsystem *Sys, uint32_t *Major,
- uint32_t *Minor);
+void parseSubsystem(StringRef arg, WindowsSubsystem *sys, uint32_t *major,
+ uint32_t *minor);
void parseAlternateName(StringRef);
void parseMerge(StringRef);
@@ -157,23 +157,23 @@
void parseAligncomm(StringRef);
// Parses a string in the form of "[:<integer>]"
-void parseFunctionPadMin(llvm::opt::Arg *A, llvm::COFF::MachineTypes Machine);
+void parseFunctionPadMin(llvm::opt::Arg *a, llvm::COFF::MachineTypes machine);
// Parses a string in the form of "EMBED[,=<integer>]|NO".
-void parseManifest(StringRef Arg);
+void parseManifest(StringRef arg);
// Parses a string in the form of "level=<string>|uiAccess=<string>"
-void parseManifestUAC(StringRef Arg);
+void parseManifestUAC(StringRef arg);
// Parses a string in the form of "cd|net[,(cd|net)]*"
-void parseSwaprun(StringRef Arg);
+void parseSwaprun(StringRef arg);
// Create a resource file containing a manifest XML.
std::unique_ptr<MemoryBuffer> createManifestRes();
void createSideBySideManifest();
// Used for dllexported symbols.
-Export parseExport(StringRef Arg);
+Export parseExport(StringRef arg);
void fixupExports();
void assignExportOrdinals();
@@ -181,12 +181,12 @@
// if value matches previous values for the key.
// This feature used in the directive section to reject
// incompatible objects.
-void checkFailIfMismatch(StringRef Arg, InputFile *Source);
+void checkFailIfMismatch(StringRef arg, InputFile *source);
// Convert Windows resource files (.res files) to a .obj file.
-MemoryBufferRef convertResToCOFF(ArrayRef<MemoryBufferRef> MBs);
+MemoryBufferRef convertResToCOFF(ArrayRef<MemoryBufferRef> mbs);
-void runMSVCLinker(std::string Rsp, ArrayRef<StringRef> Objects);
+void runMSVCLinker(std::string rsp, ArrayRef<StringRef> objects);
// Create enum with OPT_xxx values for each option in Options.td
enum {
diff --git a/lld/COFF/DriverUtils.cpp b/lld/COFF/DriverUtils.cpp
index 02357ff..59bdaec 100644
--- a/lld/COFF/DriverUtils.cpp
+++ b/lld/COFF/DriverUtils.cpp
@@ -47,75 +47,75 @@
class Executor {
public:
- explicit Executor(StringRef S) : Prog(Saver.save(S)) {}
- void add(StringRef S) { Args.push_back(Saver.save(S)); }
- void add(std::string &S) { Args.push_back(Saver.save(S)); }
- void add(Twine S) { Args.push_back(Saver.save(S)); }
- void add(const char *S) { Args.push_back(Saver.save(S)); }
+ explicit Executor(StringRef s) : prog(saver.save(s)) {}
+ void add(StringRef s) { args.push_back(saver.save(s)); }
+ void add(std::string &s) { args.push_back(saver.save(s)); }
+ void add(Twine s) { args.push_back(saver.save(s)); }
+ void add(const char *s) { args.push_back(saver.save(s)); }
void run() {
- ErrorOr<std::string> ExeOrErr = sys::findProgramByName(Prog);
- if (auto EC = ExeOrErr.getError())
- fatal("unable to find " + Prog + " in PATH: " + EC.message());
- StringRef Exe = Saver.save(*ExeOrErr);
- Args.insert(Args.begin(), Exe);
+ ErrorOr<std::string> exeOrErr = sys::findProgramByName(prog);
+ if (auto ec = exeOrErr.getError())
+ fatal("unable to find " + prog + " in PATH: " + ec.message());
+ StringRef exe = saver.save(*exeOrErr);
+ args.insert(args.begin(), exe);
- if (sys::ExecuteAndWait(Args[0], Args) != 0)
+ if (sys::ExecuteAndWait(args[0], args) != 0)
fatal("ExecuteAndWait failed: " +
- llvm::join(Args.begin(), Args.end(), " "));
+ llvm::join(args.begin(), args.end(), " "));
}
private:
- StringRef Prog;
- std::vector<StringRef> Args;
+ StringRef prog;
+ std::vector<StringRef> args;
};
} // anonymous namespace
// Parses a string in the form of "<integer>[,<integer>]".
-void parseNumbers(StringRef Arg, uint64_t *Addr, uint64_t *Size) {
- StringRef S1, S2;
- std::tie(S1, S2) = Arg.split(',');
- if (S1.getAsInteger(0, *Addr))
- fatal("invalid number: " + S1);
- if (Size && !S2.empty() && S2.getAsInteger(0, *Size))
- fatal("invalid number: " + S2);
+void parseNumbers(StringRef arg, uint64_t *addr, uint64_t *size) {
+ StringRef s1, s2;
+ std::tie(s1, s2) = arg.split(',');
+ if (s1.getAsInteger(0, *addr))
+ fatal("invalid number: " + s1);
+ if (size && !s2.empty() && s2.getAsInteger(0, *size))
+ fatal("invalid number: " + s2);
}
// Parses a string in the form of "<integer>[.<integer>]".
// If second number is not present, Minor is set to 0.
-void parseVersion(StringRef Arg, uint32_t *Major, uint32_t *Minor) {
- StringRef S1, S2;
- std::tie(S1, S2) = Arg.split('.');
- if (S1.getAsInteger(0, *Major))
- fatal("invalid number: " + S1);
- *Minor = 0;
- if (!S2.empty() && S2.getAsInteger(0, *Minor))
- fatal("invalid number: " + S2);
+void parseVersion(StringRef arg, uint32_t *major, uint32_t *minor) {
+ StringRef s1, s2;
+ std::tie(s1, s2) = arg.split('.');
+ if (s1.getAsInteger(0, *major))
+ fatal("invalid number: " + s1);
+ *minor = 0;
+ if (!s2.empty() && s2.getAsInteger(0, *minor))
+ fatal("invalid number: " + s2);
}
-void parseGuard(StringRef FullArg) {
- SmallVector<StringRef, 1> SplitArgs;
- FullArg.split(SplitArgs, ",");
- for (StringRef Arg : SplitArgs) {
- if (Arg.equals_lower("no"))
- Config->GuardCF = GuardCFLevel::Off;
- else if (Arg.equals_lower("nolongjmp"))
- Config->GuardCF = GuardCFLevel::NoLongJmp;
- else if (Arg.equals_lower("cf") || Arg.equals_lower("longjmp"))
- Config->GuardCF = GuardCFLevel::Full;
+void parseGuard(StringRef fullArg) {
+ SmallVector<StringRef, 1> splitArgs;
+ fullArg.split(splitArgs, ",");
+ for (StringRef arg : splitArgs) {
+ if (arg.equals_lower("no"))
+ config->guardCF = GuardCFLevel::Off;
+ else if (arg.equals_lower("nolongjmp"))
+ config->guardCF = GuardCFLevel::NoLongJmp;
+ else if (arg.equals_lower("cf") || arg.equals_lower("longjmp"))
+ config->guardCF = GuardCFLevel::Full;
else
- fatal("invalid argument to /guard: " + Arg);
+ fatal("invalid argument to /guard: " + arg);
}
}
// Parses a string in the form of "<subsystem>[,<integer>[.<integer>]]".
-void parseSubsystem(StringRef Arg, WindowsSubsystem *Sys, uint32_t *Major,
- uint32_t *Minor) {
- StringRef SysStr, Ver;
- std::tie(SysStr, Ver) = Arg.split(',');
- std::string SysStrLower = SysStr.lower();
- *Sys = StringSwitch<WindowsSubsystem>(SysStrLower)
+void parseSubsystem(StringRef arg, WindowsSubsystem *sys, uint32_t *major,
+ uint32_t *minor) {
+ StringRef sysStr, ver;
+ std::tie(sysStr, ver) = arg.split(',');
+ std::string sysStrLower = sysStr.lower();
+ *sys = StringSwitch<WindowsSubsystem>(sysStrLower)
.Case("boot_application", IMAGE_SUBSYSTEM_WINDOWS_BOOT_APPLICATION)
.Case("console", IMAGE_SUBSYSTEM_WINDOWS_CUI)
.Case("default", IMAGE_SUBSYSTEM_UNKNOWN)
@@ -127,217 +127,217 @@
.Case("posix", IMAGE_SUBSYSTEM_POSIX_CUI)
.Case("windows", IMAGE_SUBSYSTEM_WINDOWS_GUI)
.Default(IMAGE_SUBSYSTEM_UNKNOWN);
- if (*Sys == IMAGE_SUBSYSTEM_UNKNOWN && SysStrLower != "default")
- fatal("unknown subsystem: " + SysStr);
- if (!Ver.empty())
- parseVersion(Ver, Major, Minor);
+ if (*sys == IMAGE_SUBSYSTEM_UNKNOWN && sysStrLower != "default")
+ fatal("unknown subsystem: " + sysStr);
+ if (!ver.empty())
+ parseVersion(ver, major, minor);
}
// Parse a string of the form of "<from>=<to>".
// Results are directly written to Config.
-void parseAlternateName(StringRef S) {
- StringRef From, To;
- std::tie(From, To) = S.split('=');
- if (From.empty() || To.empty())
- fatal("/alternatename: invalid argument: " + S);
- auto It = Config->AlternateNames.find(From);
- if (It != Config->AlternateNames.end() && It->second != To)
- fatal("/alternatename: conflicts: " + S);
- Config->AlternateNames.insert(It, std::make_pair(From, To));
+void parseAlternateName(StringRef s) {
+ StringRef from, to;
+ std::tie(from, to) = s.split('=');
+ if (from.empty() || to.empty())
+ fatal("/alternatename: invalid argument: " + s);
+ auto it = config->alternateNames.find(from);
+ if (it != config->alternateNames.end() && it->second != to)
+ fatal("/alternatename: conflicts: " + s);
+ config->alternateNames.insert(it, std::make_pair(from, to));
}
// Parse a string of the form of "<from>=<to>".
// Results are directly written to Config.
-void parseMerge(StringRef S) {
- StringRef From, To;
- std::tie(From, To) = S.split('=');
- if (From.empty() || To.empty())
- fatal("/merge: invalid argument: " + S);
- if (From == ".rsrc" || To == ".rsrc")
+void parseMerge(StringRef s) {
+ StringRef from, to;
+ std::tie(from, to) = s.split('=');
+ if (from.empty() || to.empty())
+ fatal("/merge: invalid argument: " + s);
+ if (from == ".rsrc" || to == ".rsrc")
fatal("/merge: cannot merge '.rsrc' with any section");
- if (From == ".reloc" || To == ".reloc")
+ if (from == ".reloc" || to == ".reloc")
fatal("/merge: cannot merge '.reloc' with any section");
- auto Pair = Config->Merge.insert(std::make_pair(From, To));
- bool Inserted = Pair.second;
- if (!Inserted) {
- StringRef Existing = Pair.first->second;
- if (Existing != To)
- warn(S + ": already merged into " + Existing);
+ auto pair = config->merge.insert(std::make_pair(from, to));
+ bool inserted = pair.second;
+ if (!inserted) {
+ StringRef existing = pair.first->second;
+ if (existing != to)
+ warn(s + ": already merged into " + existing);
}
}
-static uint32_t parseSectionAttributes(StringRef S) {
- uint32_t Ret = 0;
- for (char C : S.lower()) {
- switch (C) {
+static uint32_t parseSectionAttributes(StringRef s) {
+ uint32_t ret = 0;
+ for (char c : s.lower()) {
+ switch (c) {
case 'd':
- Ret |= IMAGE_SCN_MEM_DISCARDABLE;
+ ret |= IMAGE_SCN_MEM_DISCARDABLE;
break;
case 'e':
- Ret |= IMAGE_SCN_MEM_EXECUTE;
+ ret |= IMAGE_SCN_MEM_EXECUTE;
break;
case 'k':
- Ret |= IMAGE_SCN_MEM_NOT_CACHED;
+ ret |= IMAGE_SCN_MEM_NOT_CACHED;
break;
case 'p':
- Ret |= IMAGE_SCN_MEM_NOT_PAGED;
+ ret |= IMAGE_SCN_MEM_NOT_PAGED;
break;
case 'r':
- Ret |= IMAGE_SCN_MEM_READ;
+ ret |= IMAGE_SCN_MEM_READ;
break;
case 's':
- Ret |= IMAGE_SCN_MEM_SHARED;
+ ret |= IMAGE_SCN_MEM_SHARED;
break;
case 'w':
- Ret |= IMAGE_SCN_MEM_WRITE;
+ ret |= IMAGE_SCN_MEM_WRITE;
break;
default:
- fatal("/section: invalid argument: " + S);
+ fatal("/section: invalid argument: " + s);
}
}
- return Ret;
+ return ret;
}
// Parses /section option argument.
-void parseSection(StringRef S) {
- StringRef Name, Attrs;
- std::tie(Name, Attrs) = S.split(',');
- if (Name.empty() || Attrs.empty())
- fatal("/section: invalid argument: " + S);
- Config->Section[Name] = parseSectionAttributes(Attrs);
+void parseSection(StringRef s) {
+ StringRef name, attrs;
+ std::tie(name, attrs) = s.split(',');
+ if (name.empty() || attrs.empty())
+ fatal("/section: invalid argument: " + s);
+ config->section[name] = parseSectionAttributes(attrs);
}
// Parses /aligncomm option argument.
-void parseAligncomm(StringRef S) {
- StringRef Name, Align;
- std::tie(Name, Align) = S.split(',');
- if (Name.empty() || Align.empty()) {
- error("/aligncomm: invalid argument: " + S);
+void parseAligncomm(StringRef s) {
+ StringRef name, align;
+ std::tie(name, align) = s.split(',');
+ if (name.empty() || align.empty()) {
+ error("/aligncomm: invalid argument: " + s);
return;
}
- int V;
- if (Align.getAsInteger(0, V)) {
- error("/aligncomm: invalid argument: " + S);
+ int v;
+ if (align.getAsInteger(0, v)) {
+ error("/aligncomm: invalid argument: " + s);
return;
}
- Config->AlignComm[Name] = std::max(Config->AlignComm[Name], 1 << V);
+ config->alignComm[name] = std::max(config->alignComm[name], 1 << v);
}
// Parses /functionpadmin option argument.
-void parseFunctionPadMin(llvm::opt::Arg *A, llvm::COFF::MachineTypes Machine) {
- StringRef Arg = A->getNumValues() ? A->getValue() : "";
- if (!Arg.empty()) {
+void parseFunctionPadMin(llvm::opt::Arg *a, llvm::COFF::MachineTypes machine) {
+ StringRef arg = a->getNumValues() ? a->getValue() : "";
+ if (!arg.empty()) {
// Optional padding in bytes is given.
- if (Arg.getAsInteger(0, Config->FunctionPadMin))
- error("/functionpadmin: invalid argument: " + Arg);
+ if (arg.getAsInteger(0, config->functionPadMin))
+ error("/functionpadmin: invalid argument: " + arg);
return;
}
// No optional argument given.
// Set default padding based on machine, similar to link.exe.
// There is no default padding for ARM platforms.
- if (Machine == I386) {
- Config->FunctionPadMin = 5;
- } else if (Machine == AMD64) {
- Config->FunctionPadMin = 6;
+ if (machine == I386) {
+ config->functionPadMin = 5;
+ } else if (machine == AMD64) {
+ config->functionPadMin = 6;
} else {
- error("/functionpadmin: invalid argument for this machine: " + Arg);
+ error("/functionpadmin: invalid argument for this machine: " + arg);
}
}
// Parses a string in the form of "EMBED[,=<integer>]|NO".
// Results are directly written to Config.
-void parseManifest(StringRef Arg) {
- if (Arg.equals_lower("no")) {
- Config->Manifest = Configuration::No;
+void parseManifest(StringRef arg) {
+ if (arg.equals_lower("no")) {
+ config->manifest = Configuration::No;
return;
}
- if (!Arg.startswith_lower("embed"))
- fatal("invalid option " + Arg);
- Config->Manifest = Configuration::Embed;
- Arg = Arg.substr(strlen("embed"));
- if (Arg.empty())
+ if (!arg.startswith_lower("embed"))
+ fatal("invalid option " + arg);
+ config->manifest = Configuration::Embed;
+ arg = arg.substr(strlen("embed"));
+ if (arg.empty())
return;
- if (!Arg.startswith_lower(",id="))
- fatal("invalid option " + Arg);
- Arg = Arg.substr(strlen(",id="));
- if (Arg.getAsInteger(0, Config->ManifestID))
- fatal("invalid option " + Arg);
+ if (!arg.startswith_lower(",id="))
+ fatal("invalid option " + arg);
+ arg = arg.substr(strlen(",id="));
+ if (arg.getAsInteger(0, config->manifestID))
+ fatal("invalid option " + arg);
}
// Parses a string in the form of "level=<string>|uiAccess=<string>|NO".
// Results are directly written to Config.
-void parseManifestUAC(StringRef Arg) {
- if (Arg.equals_lower("no")) {
- Config->ManifestUAC = false;
+void parseManifestUAC(StringRef arg) {
+ if (arg.equals_lower("no")) {
+ config->manifestUAC = false;
return;
}
for (;;) {
- Arg = Arg.ltrim();
- if (Arg.empty())
+ arg = arg.ltrim();
+ if (arg.empty())
return;
- if (Arg.startswith_lower("level=")) {
- Arg = Arg.substr(strlen("level="));
- std::tie(Config->ManifestLevel, Arg) = Arg.split(" ");
+ if (arg.startswith_lower("level=")) {
+ arg = arg.substr(strlen("level="));
+ std::tie(config->manifestLevel, arg) = arg.split(" ");
continue;
}
- if (Arg.startswith_lower("uiaccess=")) {
- Arg = Arg.substr(strlen("uiaccess="));
- std::tie(Config->ManifestUIAccess, Arg) = Arg.split(" ");
+ if (arg.startswith_lower("uiaccess=")) {
+ arg = arg.substr(strlen("uiaccess="));
+ std::tie(config->manifestUIAccess, arg) = arg.split(" ");
continue;
}
- fatal("invalid option " + Arg);
+ fatal("invalid option " + arg);
}
}
// Parses a string in the form of "cd|net[,(cd|net)]*"
// Results are directly written to Config.
-void parseSwaprun(StringRef Arg) {
+void parseSwaprun(StringRef arg) {
do {
- StringRef Swaprun, NewArg;
- std::tie(Swaprun, NewArg) = Arg.split(',');
- if (Swaprun.equals_lower("cd"))
- Config->SwaprunCD = true;
- else if (Swaprun.equals_lower("net"))
- Config->SwaprunNet = true;
- else if (Swaprun.empty())
+ StringRef swaprun, newArg;
+ std::tie(swaprun, newArg) = arg.split(',');
+ if (swaprun.equals_lower("cd"))
+ config->swaprunCD = true;
+ else if (swaprun.equals_lower("net"))
+ config->swaprunNet = true;
+ else if (swaprun.empty())
error("/swaprun: missing argument");
else
- error("/swaprun: invalid argument: " + Swaprun);
+ error("/swaprun: invalid argument: " + swaprun);
// To catch trailing commas, e.g. `/spawrun:cd,`
- if (NewArg.empty() && Arg.endswith(","))
+ if (newArg.empty() && arg.endswith(","))
error("/swaprun: missing argument");
- Arg = NewArg;
- } while (!Arg.empty());
+ arg = newArg;
+ } while (!arg.empty());
}
// An RAII temporary file class that automatically removes a temporary file.
namespace {
class TemporaryFile {
public:
- TemporaryFile(StringRef Prefix, StringRef Extn, StringRef Contents = "") {
- SmallString<128> S;
- if (auto EC = sys::fs::createTemporaryFile("lld-" + Prefix, Extn, S))
- fatal("cannot create a temporary file: " + EC.message());
- Path = S.str();
+ TemporaryFile(StringRef prefix, StringRef extn, StringRef contents = "") {
+ SmallString<128> s;
+ if (auto ec = sys::fs::createTemporaryFile("lld-" + prefix, extn, s))
+ fatal("cannot create a temporary file: " + ec.message());
+ path = s.str();
- if (!Contents.empty()) {
- std::error_code EC;
- raw_fd_ostream OS(Path, EC, sys::fs::F_None);
- if (EC)
- fatal("failed to open " + Path + ": " + EC.message());
- OS << Contents;
+ if (!contents.empty()) {
+ std::error_code ec;
+ raw_fd_ostream os(path, ec, sys::fs::F_None);
+ if (ec)
+ fatal("failed to open " + path + ": " + ec.message());
+ os << contents;
}
}
- TemporaryFile(TemporaryFile &&Obj) {
- std::swap(Path, Obj.Path);
+ TemporaryFile(TemporaryFile &&obj) {
+ std::swap(path, obj.path);
}
~TemporaryFile() {
- if (Path.empty())
+ if (path.empty())
return;
- if (sys::fs::remove(Path))
- fatal("failed to remove " + Path);
+ if (sys::fs::remove(path))
+ fatal("failed to remove " + path);
}
// Returns a memory buffer of this temporary file.
@@ -346,389 +346,389 @@
// is called (you cannot remove an opened file on Windows.)
std::unique_ptr<MemoryBuffer> getMemoryBuffer() {
// IsVolatileSize=true forces MemoryBuffer to not use mmap().
- return CHECK(MemoryBuffer::getFile(Path, /*FileSize=*/-1,
+ return CHECK(MemoryBuffer::getFile(path, /*FileSize=*/-1,
/*RequiresNullTerminator=*/false,
/*IsVolatileSize=*/true),
- "could not open " + Path);
+ "could not open " + path);
}
- std::string Path;
+ std::string path;
};
}
static std::string createDefaultXml() {
- std::string Ret;
- raw_string_ostream OS(Ret);
+ std::string ret;
+ raw_string_ostream os(ret);
// Emit the XML. Note that we do *not* verify that the XML attributes are
// syntactically correct. This is intentional for link.exe compatibility.
- OS << "<?xml version=\"1.0\" standalone=\"yes\"?>\n"
+ os << "<?xml version=\"1.0\" standalone=\"yes\"?>\n"
<< "<assembly xmlns=\"urn:schemas-microsoft-com:asm.v1\"\n"
<< " manifestVersion=\"1.0\">\n";
- if (Config->ManifestUAC) {
- OS << " <trustInfo>\n"
+ if (config->manifestUAC) {
+ os << " <trustInfo>\n"
<< " <security>\n"
<< " <requestedPrivileges>\n"
- << " <requestedExecutionLevel level=" << Config->ManifestLevel
- << " uiAccess=" << Config->ManifestUIAccess << "/>\n"
+ << " <requestedExecutionLevel level=" << config->manifestLevel
+ << " uiAccess=" << config->manifestUIAccess << "/>\n"
<< " </requestedPrivileges>\n"
<< " </security>\n"
<< " </trustInfo>\n";
}
- if (!Config->ManifestDependency.empty()) {
- OS << " <dependency>\n"
+ if (!config->manifestDependency.empty()) {
+ os << " <dependency>\n"
<< " <dependentAssembly>\n"
- << " <assemblyIdentity " << Config->ManifestDependency << " />\n"
+ << " <assemblyIdentity " << config->manifestDependency << " />\n"
<< " </dependentAssembly>\n"
<< " </dependency>\n";
}
- OS << "</assembly>\n";
- return OS.str();
+ os << "</assembly>\n";
+ return os.str();
}
-static std::string createManifestXmlWithInternalMt(StringRef DefaultXml) {
- std::unique_ptr<MemoryBuffer> DefaultXmlCopy =
- MemoryBuffer::getMemBufferCopy(DefaultXml);
+static std::string createManifestXmlWithInternalMt(StringRef defaultXml) {
+ std::unique_ptr<MemoryBuffer> defaultXmlCopy =
+ MemoryBuffer::getMemBufferCopy(defaultXml);
- windows_manifest::WindowsManifestMerger Merger;
- if (auto E = Merger.merge(*DefaultXmlCopy.get()))
+ windows_manifest::WindowsManifestMerger merger;
+ if (auto e = merger.merge(*defaultXmlCopy.get()))
fatal("internal manifest tool failed on default xml: " +
- toString(std::move(E)));
+ toString(std::move(e)));
- for (StringRef Filename : Config->ManifestInput) {
- std::unique_ptr<MemoryBuffer> Manifest =
- check(MemoryBuffer::getFile(Filename));
- if (auto E = Merger.merge(*Manifest.get()))
- fatal("internal manifest tool failed on file " + Filename + ": " +
- toString(std::move(E)));
+ for (StringRef filename : config->manifestInput) {
+ std::unique_ptr<MemoryBuffer> manifest =
+ check(MemoryBuffer::getFile(filename));
+ if (auto e = merger.merge(*manifest.get()))
+ fatal("internal manifest tool failed on file " + filename + ": " +
+ toString(std::move(e)));
}
- return Merger.getMergedManifest().get()->getBuffer();
+ return merger.getMergedManifest().get()->getBuffer();
}
-static std::string createManifestXmlWithExternalMt(StringRef DefaultXml) {
+static std::string createManifestXmlWithExternalMt(StringRef defaultXml) {
// Create the default manifest file as a temporary file.
TemporaryFile Default("defaultxml", "manifest");
- std::error_code EC;
- raw_fd_ostream OS(Default.Path, EC, sys::fs::F_Text);
- if (EC)
- fatal("failed to open " + Default.Path + ": " + EC.message());
- OS << DefaultXml;
- OS.close();
+ std::error_code ec;
+ raw_fd_ostream os(Default.path, ec, sys::fs::F_Text);
+ if (ec)
+ fatal("failed to open " + Default.path + ": " + ec.message());
+ os << defaultXml;
+ os.close();
// Merge user-supplied manifests if they are given. Since libxml2 is not
// enabled, we must shell out to Microsoft's mt.exe tool.
- TemporaryFile User("user", "manifest");
+ TemporaryFile user("user", "manifest");
- Executor E("mt.exe");
- E.add("/manifest");
- E.add(Default.Path);
- for (StringRef Filename : Config->ManifestInput) {
- E.add("/manifest");
- E.add(Filename);
+ Executor e("mt.exe");
+ e.add("/manifest");
+ e.add(Default.path);
+ for (StringRef filename : config->manifestInput) {
+ e.add("/manifest");
+ e.add(filename);
}
- E.add("/nologo");
- E.add("/out:" + StringRef(User.Path));
- E.run();
+ e.add("/nologo");
+ e.add("/out:" + StringRef(user.path));
+ e.run();
- return CHECK(MemoryBuffer::getFile(User.Path), "could not open " + User.Path)
+ return CHECK(MemoryBuffer::getFile(user.path), "could not open " + user.path)
.get()
->getBuffer();
}
static std::string createManifestXml() {
- std::string DefaultXml = createDefaultXml();
- if (Config->ManifestInput.empty())
- return DefaultXml;
+ std::string defaultXml = createDefaultXml();
+ if (config->manifestInput.empty())
+ return defaultXml;
if (windows_manifest::isAvailable())
- return createManifestXmlWithInternalMt(DefaultXml);
+ return createManifestXmlWithInternalMt(defaultXml);
- return createManifestXmlWithExternalMt(DefaultXml);
+ return createManifestXmlWithExternalMt(defaultXml);
}
static std::unique_ptr<WritableMemoryBuffer>
-createMemoryBufferForManifestRes(size_t ManifestSize) {
- size_t ResSize = alignTo(
+createMemoryBufferForManifestRes(size_t manifestSize) {
+ size_t resSize = alignTo(
object::WIN_RES_MAGIC_SIZE + object::WIN_RES_NULL_ENTRY_SIZE +
sizeof(object::WinResHeaderPrefix) + sizeof(object::WinResIDs) +
- sizeof(object::WinResHeaderSuffix) + ManifestSize,
+ sizeof(object::WinResHeaderSuffix) + manifestSize,
object::WIN_RES_DATA_ALIGNMENT);
- return WritableMemoryBuffer::getNewMemBuffer(ResSize, Config->OutputFile +
+ return WritableMemoryBuffer::getNewMemBuffer(resSize, config->outputFile +
".manifest.res");
}
-static void writeResFileHeader(char *&Buf) {
- memcpy(Buf, COFF::WinResMagic, sizeof(COFF::WinResMagic));
- Buf += sizeof(COFF::WinResMagic);
- memset(Buf, 0, object::WIN_RES_NULL_ENTRY_SIZE);
- Buf += object::WIN_RES_NULL_ENTRY_SIZE;
+static void writeResFileHeader(char *&buf) {
+ memcpy(buf, COFF::WinResMagic, sizeof(COFF::WinResMagic));
+ buf += sizeof(COFF::WinResMagic);
+ memset(buf, 0, object::WIN_RES_NULL_ENTRY_SIZE);
+ buf += object::WIN_RES_NULL_ENTRY_SIZE;
}
-static void writeResEntryHeader(char *&Buf, size_t ManifestSize) {
+static void writeResEntryHeader(char *&buf, size_t manifestSize) {
// Write the prefix.
- auto *Prefix = reinterpret_cast<object::WinResHeaderPrefix *>(Buf);
- Prefix->DataSize = ManifestSize;
- Prefix->HeaderSize = sizeof(object::WinResHeaderPrefix) +
+ auto *prefix = reinterpret_cast<object::WinResHeaderPrefix *>(buf);
+ prefix->DataSize = manifestSize;
+ prefix->HeaderSize = sizeof(object::WinResHeaderPrefix) +
sizeof(object::WinResIDs) +
sizeof(object::WinResHeaderSuffix);
- Buf += sizeof(object::WinResHeaderPrefix);
+ buf += sizeof(object::WinResHeaderPrefix);
// Write the Type/Name IDs.
- auto *IDs = reinterpret_cast<object::WinResIDs *>(Buf);
- IDs->setType(RT_MANIFEST);
- IDs->setName(Config->ManifestID);
- Buf += sizeof(object::WinResIDs);
+ auto *iDs = reinterpret_cast<object::WinResIDs *>(buf);
+ iDs->setType(RT_MANIFEST);
+ iDs->setName(config->manifestID);
+ buf += sizeof(object::WinResIDs);
// Write the suffix.
- auto *Suffix = reinterpret_cast<object::WinResHeaderSuffix *>(Buf);
- Suffix->DataVersion = 0;
- Suffix->MemoryFlags = object::WIN_RES_PURE_MOVEABLE;
- Suffix->Language = SUBLANG_ENGLISH_US;
- Suffix->Version = 0;
- Suffix->Characteristics = 0;
- Buf += sizeof(object::WinResHeaderSuffix);
+ auto *suffix = reinterpret_cast<object::WinResHeaderSuffix *>(buf);
+ suffix->DataVersion = 0;
+ suffix->MemoryFlags = object::WIN_RES_PURE_MOVEABLE;
+ suffix->Language = SUBLANG_ENGLISH_US;
+ suffix->Version = 0;
+ suffix->Characteristics = 0;
+ buf += sizeof(object::WinResHeaderSuffix);
}
// Create a resource file containing a manifest XML.
std::unique_ptr<MemoryBuffer> createManifestRes() {
- std::string Manifest = createManifestXml();
+ std::string manifest = createManifestXml();
- std::unique_ptr<WritableMemoryBuffer> Res =
- createMemoryBufferForManifestRes(Manifest.size());
+ std::unique_ptr<WritableMemoryBuffer> res =
+ createMemoryBufferForManifestRes(manifest.size());
- char *Buf = Res->getBufferStart();
- writeResFileHeader(Buf);
- writeResEntryHeader(Buf, Manifest.size());
+ char *buf = res->getBufferStart();
+ writeResFileHeader(buf);
+ writeResEntryHeader(buf, manifest.size());
// Copy the manifest data into the .res file.
- std::copy(Manifest.begin(), Manifest.end(), Buf);
- return std::move(Res);
+ std::copy(manifest.begin(), manifest.end(), buf);
+ return std::move(res);
}
void createSideBySideManifest() {
- std::string Path = Config->ManifestFile;
- if (Path == "")
- Path = Config->OutputFile + ".manifest";
- std::error_code EC;
- raw_fd_ostream Out(Path, EC, sys::fs::F_Text);
- if (EC)
- fatal("failed to create manifest: " + EC.message());
- Out << createManifestXml();
+ std::string path = config->manifestFile;
+ if (path == "")
+ path = config->outputFile + ".manifest";
+ std::error_code ec;
+ raw_fd_ostream out(path, ec, sys::fs::F_Text);
+ if (ec)
+ fatal("failed to create manifest: " + ec.message());
+ out << createManifestXml();
}
// Parse a string in the form of
// "<name>[=<internalname>][,@ordinal[,NONAME]][,DATA][,PRIVATE]"
// or "<name>=<dllname>.<name>".
// Used for parsing /export arguments.
-Export parseExport(StringRef Arg) {
- Export E;
- StringRef Rest;
- std::tie(E.Name, Rest) = Arg.split(",");
- if (E.Name.empty())
+Export parseExport(StringRef arg) {
+ Export e;
+ StringRef rest;
+ std::tie(e.name, rest) = arg.split(",");
+ if (e.name.empty())
goto err;
- if (E.Name.contains('=')) {
- StringRef X, Y;
- std::tie(X, Y) = E.Name.split("=");
+ if (e.name.contains('=')) {
+ StringRef x, y;
+ std::tie(x, y) = e.name.split("=");
// If "<name>=<dllname>.<name>".
- if (Y.contains(".")) {
- E.Name = X;
- E.ForwardTo = Y;
- return E;
+ if (y.contains(".")) {
+ e.name = x;
+ e.forwardTo = y;
+ return e;
}
- E.ExtName = X;
- E.Name = Y;
- if (E.Name.empty())
+ e.extName = x;
+ e.name = y;
+ if (e.name.empty())
goto err;
}
// If "<name>=<internalname>[,@ordinal[,NONAME]][,DATA][,PRIVATE]"
- while (!Rest.empty()) {
- StringRef Tok;
- std::tie(Tok, Rest) = Rest.split(",");
- if (Tok.equals_lower("noname")) {
- if (E.Ordinal == 0)
+ while (!rest.empty()) {
+ StringRef tok;
+ std::tie(tok, rest) = rest.split(",");
+ if (tok.equals_lower("noname")) {
+ if (e.ordinal == 0)
goto err;
- E.Noname = true;
+ e.noname = true;
continue;
}
- if (Tok.equals_lower("data")) {
- E.Data = true;
+ if (tok.equals_lower("data")) {
+ e.data = true;
continue;
}
- if (Tok.equals_lower("constant")) {
- E.Constant = true;
+ if (tok.equals_lower("constant")) {
+ e.constant = true;
continue;
}
- if (Tok.equals_lower("private")) {
- E.Private = true;
+ if (tok.equals_lower("private")) {
+ e.isPrivate = true;
continue;
}
- if (Tok.startswith("@")) {
- int32_t Ord;
- if (Tok.substr(1).getAsInteger(0, Ord))
+ if (tok.startswith("@")) {
+ int32_t ord;
+ if (tok.substr(1).getAsInteger(0, ord))
goto err;
- if (Ord <= 0 || 65535 < Ord)
+ if (ord <= 0 || 65535 < ord)
goto err;
- E.Ordinal = Ord;
+ e.ordinal = ord;
continue;
}
goto err;
}
- return E;
+ return e;
err:
- fatal("invalid /export: " + Arg);
+ fatal("invalid /export: " + arg);
}
-static StringRef undecorate(StringRef Sym) {
- if (Config->Machine != I386)
- return Sym;
+static StringRef undecorate(StringRef sym) {
+ if (config->machine != I386)
+ return sym;
// In MSVC mode, a fully decorated stdcall function is exported
// as-is with the leading underscore (with type IMPORT_NAME).
// In MinGW mode, a decorated stdcall function gets the underscore
// removed, just like normal cdecl functions.
- if (Sym.startswith("_") && Sym.contains('@') && !Config->MinGW)
- return Sym;
- return Sym.startswith("_") ? Sym.substr(1) : Sym;
+ if (sym.startswith("_") && sym.contains('@') && !config->mingw)
+ return sym;
+ return sym.startswith("_") ? sym.substr(1) : sym;
}
// Convert stdcall/fastcall style symbols into unsuffixed symbols,
// with or without a leading underscore. (MinGW specific.)
-static StringRef killAt(StringRef Sym, bool Prefix) {
- if (Sym.empty())
- return Sym;
+static StringRef killAt(StringRef sym, bool prefix) {
+ if (sym.empty())
+ return sym;
// Strip any trailing stdcall suffix
- Sym = Sym.substr(0, Sym.find('@', 1));
- if (!Sym.startswith("@")) {
- if (Prefix && !Sym.startswith("_"))
- return Saver.save("_" + Sym);
- return Sym;
+ sym = sym.substr(0, sym.find('@', 1));
+ if (!sym.startswith("@")) {
+ if (prefix && !sym.startswith("_"))
+ return saver.save("_" + sym);
+ return sym;
}
// For fastcall, remove the leading @ and replace it with an
// underscore, if prefixes are used.
- Sym = Sym.substr(1);
- if (Prefix)
- Sym = Saver.save("_" + Sym);
- return Sym;
+ sym = sym.substr(1);
+ if (prefix)
+ sym = saver.save("_" + sym);
+ return sym;
}
// Performs error checking on all /export arguments.
// It also sets ordinals.
void fixupExports() {
// Symbol ordinals must be unique.
- std::set<uint16_t> Ords;
- for (Export &E : Config->Exports) {
- if (E.Ordinal == 0)
+ std::set<uint16_t> ords;
+ for (Export &e : config->exports) {
+ if (e.ordinal == 0)
continue;
- if (!Ords.insert(E.Ordinal).second)
- fatal("duplicate export ordinal: " + E.Name);
+ if (!ords.insert(e.ordinal).second)
+ fatal("duplicate export ordinal: " + e.name);
}
- for (Export &E : Config->Exports) {
- if (!E.ForwardTo.empty()) {
- E.ExportName = undecorate(E.Name);
+ for (Export &e : config->exports) {
+ if (!e.forwardTo.empty()) {
+ e.exportName = undecorate(e.name);
} else {
- E.ExportName = undecorate(E.ExtName.empty() ? E.Name : E.ExtName);
+ e.exportName = undecorate(e.extName.empty() ? e.name : e.extName);
}
}
- if (Config->KillAt && Config->Machine == I386) {
- for (Export &E : Config->Exports) {
- E.Name = killAt(E.Name, true);
- E.ExportName = killAt(E.ExportName, false);
- E.ExtName = killAt(E.ExtName, true);
- E.SymbolName = killAt(E.SymbolName, true);
+ if (config->killAt && config->machine == I386) {
+ for (Export &e : config->exports) {
+ e.name = killAt(e.name, true);
+ e.exportName = killAt(e.exportName, false);
+ e.extName = killAt(e.extName, true);
+ e.symbolName = killAt(e.symbolName, true);
}
}
// Uniquefy by name.
- DenseMap<StringRef, Export *> Map(Config->Exports.size());
- std::vector<Export> V;
- for (Export &E : Config->Exports) {
- auto Pair = Map.insert(std::make_pair(E.ExportName, &E));
- bool Inserted = Pair.second;
- if (Inserted) {
- V.push_back(E);
+ DenseMap<StringRef, Export *> map(config->exports.size());
+ std::vector<Export> v;
+ for (Export &e : config->exports) {
+ auto pair = map.insert(std::make_pair(e.exportName, &e));
+ bool inserted = pair.second;
+ if (inserted) {
+ v.push_back(e);
continue;
}
- Export *Existing = Pair.first->second;
- if (E == *Existing || E.Name != Existing->Name)
+ Export *existing = pair.first->second;
+ if (e == *existing || e.name != existing->name)
continue;
- warn("duplicate /export option: " + E.Name);
+ warn("duplicate /export option: " + e.name);
}
- Config->Exports = std::move(V);
+ config->exports = std::move(v);
// Sort by name.
- std::sort(Config->Exports.begin(), Config->Exports.end(),
- [](const Export &A, const Export &B) {
- return A.ExportName < B.ExportName;
+ std::sort(config->exports.begin(), config->exports.end(),
+ [](const Export &a, const Export &b) {
+ return a.exportName < b.exportName;
});
}
void assignExportOrdinals() {
// Assign unique ordinals if default (= 0).
- uint16_t Max = 0;
- for (Export &E : Config->Exports)
- Max = std::max(Max, E.Ordinal);
- for (Export &E : Config->Exports)
- if (E.Ordinal == 0)
- E.Ordinal = ++Max;
+ uint16_t max = 0;
+ for (Export &e : config->exports)
+ max = std::max(max, e.ordinal);
+ for (Export &e : config->exports)
+ if (e.ordinal == 0)
+ e.ordinal = ++max;
}
// Parses a string in the form of "key=value" and check
// if value matches previous values for the same key.
-void checkFailIfMismatch(StringRef Arg, InputFile *Source) {
- StringRef K, V;
- std::tie(K, V) = Arg.split('=');
- if (K.empty() || V.empty())
- fatal("/failifmismatch: invalid argument: " + Arg);
- std::pair<StringRef, InputFile *> Existing = Config->MustMatch[K];
- if (!Existing.first.empty() && V != Existing.first) {
- std::string SourceStr = Source ? toString(Source) : "cmd-line";
- std::string ExistingStr =
- Existing.second ? toString(Existing.second) : "cmd-line";
- fatal("/failifmismatch: mismatch detected for '" + K + "':\n>>> " +
- ExistingStr + " has value " + Existing.first + "\n>>> " + SourceStr +
- " has value " + V);
+void checkFailIfMismatch(StringRef arg, InputFile *source) {
+ StringRef k, v;
+ std::tie(k, v) = arg.split('=');
+ if (k.empty() || v.empty())
+ fatal("/failifmismatch: invalid argument: " + arg);
+ std::pair<StringRef, InputFile *> existing = config->mustMatch[k];
+ if (!existing.first.empty() && v != existing.first) {
+ std::string sourceStr = source ? toString(source) : "cmd-line";
+ std::string existingStr =
+ existing.second ? toString(existing.second) : "cmd-line";
+ fatal("/failifmismatch: mismatch detected for '" + k + "':\n>>> " +
+ existingStr + " has value " + existing.first + "\n>>> " + sourceStr +
+ " has value " + v);
}
- Config->MustMatch[K] = {V, Source};
+ config->mustMatch[k] = {v, source};
}
// Convert Windows resource files (.res files) to a .obj file.
// Does what cvtres.exe does, but in-process and cross-platform.
-MemoryBufferRef convertResToCOFF(ArrayRef<MemoryBufferRef> MBs) {
- object::WindowsResourceParser Parser;
+MemoryBufferRef convertResToCOFF(ArrayRef<MemoryBufferRef> mbs) {
+ object::WindowsResourceParser parser;
- for (MemoryBufferRef MB : MBs) {
- std::unique_ptr<object::Binary> Bin = check(object::createBinary(MB));
- object::WindowsResource *RF = dyn_cast<object::WindowsResource>(Bin.get());
- if (!RF)
+ for (MemoryBufferRef mb : mbs) {
+ std::unique_ptr<object::Binary> bin = check(object::createBinary(mb));
+ object::WindowsResource *rf = dyn_cast<object::WindowsResource>(bin.get());
+ if (!rf)
fatal("cannot compile non-resource file as resource");
- std::vector<std::string> Duplicates;
- if (auto EC = Parser.parse(RF, Duplicates))
- fatal(toString(std::move(EC)));
+ std::vector<std::string> duplicates;
+ if (auto ec = parser.parse(rf, duplicates))
+ fatal(toString(std::move(ec)));
- for (const auto &DupeDiag : Duplicates)
- if (Config->ForceMultipleRes)
- warn(DupeDiag);
+ for (const auto &dupeDiag : duplicates)
+ if (config->forceMultipleRes)
+ warn(dupeDiag);
else
- error(DupeDiag);
+ error(dupeDiag);
}
- Expected<std::unique_ptr<MemoryBuffer>> E =
- llvm::object::writeWindowsResourceCOFF(Config->Machine, Parser,
- Config->Timestamp);
- if (!E)
- fatal("failed to write .res to COFF: " + toString(E.takeError()));
+ Expected<std::unique_ptr<MemoryBuffer>> e =
+ llvm::object::writeWindowsResourceCOFF(config->machine, parser,
+ config->timestamp);
+ if (!e)
+ fatal("failed to write .res to COFF: " + toString(e.takeError()));
- MemoryBufferRef MBRef = **E;
- make<std::unique_ptr<MemoryBuffer>>(std::move(*E)); // take ownership
- return MBRef;
+ MemoryBufferRef mbref = **e;
+ make<std::unique_ptr<MemoryBuffer>>(std::move(*e)); // take ownership
+ return mbref;
}
// Create OptTable
@@ -739,7 +739,7 @@
#undef PREFIX
// Create table mapping all options defined in Options.td
-static const llvm::opt::OptTable::Info InfoTable[] = {
+static const llvm::opt::OptTable::Info infoTable[] = {
#define OPTION(X1, X2, ID, KIND, GROUP, ALIAS, X7, X8, X9, X10, X11, X12) \
{X1, X2, X10, X11, OPT_##ID, llvm::opt::Option::KIND##Class, \
X9, X8, OPT_##GROUP, OPT_##ALIAS, X7, X12},
@@ -747,36 +747,36 @@
#undef OPTION
};
-COFFOptTable::COFFOptTable() : OptTable(InfoTable, true) {}
+COFFOptTable::COFFOptTable() : OptTable(infoTable, true) {}
// Set color diagnostics according to --color-diagnostics={auto,always,never}
// or --no-color-diagnostics flags.
-static void handleColorDiagnostics(opt::InputArgList &Args) {
- auto *Arg = Args.getLastArg(OPT_color_diagnostics, OPT_color_diagnostics_eq,
+static void handleColorDiagnostics(opt::InputArgList &args) {
+ auto *arg = args.getLastArg(OPT_color_diagnostics, OPT_color_diagnostics_eq,
OPT_no_color_diagnostics);
- if (!Arg)
+ if (!arg)
return;
- if (Arg->getOption().getID() == OPT_color_diagnostics) {
- errorHandler().ColorDiagnostics = true;
- } else if (Arg->getOption().getID() == OPT_no_color_diagnostics) {
- errorHandler().ColorDiagnostics = false;
+ if (arg->getOption().getID() == OPT_color_diagnostics) {
+ errorHandler().colorDiagnostics = true;
+ } else if (arg->getOption().getID() == OPT_no_color_diagnostics) {
+ errorHandler().colorDiagnostics = false;
} else {
- StringRef S = Arg->getValue();
- if (S == "always")
- errorHandler().ColorDiagnostics = true;
- else if (S == "never")
- errorHandler().ColorDiagnostics = false;
- else if (S != "auto")
- error("unknown option: --color-diagnostics=" + S);
+ StringRef s = arg->getValue();
+ if (s == "always")
+ errorHandler().colorDiagnostics = true;
+ else if (s == "never")
+ errorHandler().colorDiagnostics = false;
+ else if (s != "auto")
+ error("unknown option: --color-diagnostics=" + s);
}
}
-static cl::TokenizerCallback getQuotingStyle(opt::InputArgList &Args) {
- if (auto *Arg = Args.getLastArg(OPT_rsp_quoting)) {
- StringRef S = Arg->getValue();
- if (S != "windows" && S != "posix")
- error("invalid response file quoting: " + S);
- if (S == "windows")
+static cl::TokenizerCallback getQuotingStyle(opt::InputArgList &args) {
+ if (auto *arg = args.getLastArg(OPT_rsp_quoting)) {
+ StringRef s = arg->getValue();
+ if (s != "windows" && s != "posix")
+ error("invalid response file quoting: " + s);
+ if (s == "windows")
return cl::TokenizeWindowsCommandLine;
return cl::TokenizeGNUCommandLine;
}
@@ -785,111 +785,111 @@
}
// Parses a given list of options.
-opt::InputArgList ArgParser::parse(ArrayRef<const char *> Argv) {
+opt::InputArgList ArgParser::parse(ArrayRef<const char *> argv) {
// Make InputArgList from string vectors.
- unsigned MissingIndex;
- unsigned MissingCount;
+ unsigned missingIndex;
+ unsigned missingCount;
// We need to get the quoting style for response files before parsing all
// options so we parse here before and ignore all the options but
// --rsp-quoting.
- opt::InputArgList Args = Table.ParseArgs(Argv, MissingIndex, MissingCount);
+ opt::InputArgList args = table.ParseArgs(argv, missingIndex, missingCount);
// Expand response files (arguments in the form of @<filename>)
// and then parse the argument again.
- SmallVector<const char *, 256> ExpandedArgv(Argv.data(),
- Argv.data() + Argv.size());
- cl::ExpandResponseFiles(Saver, getQuotingStyle(Args), ExpandedArgv);
- Args = Table.ParseArgs(makeArrayRef(ExpandedArgv).drop_front(), MissingIndex,
- MissingCount);
+ SmallVector<const char *, 256> expandedArgv(argv.data(),
+ argv.data() + argv.size());
+ cl::ExpandResponseFiles(saver, getQuotingStyle(args), expandedArgv);
+ args = table.ParseArgs(makeArrayRef(expandedArgv).drop_front(), missingIndex,
+ missingCount);
// Print the real command line if response files are expanded.
- if (Args.hasArg(OPT_verbose) && Argv.size() != ExpandedArgv.size()) {
- std::string Msg = "Command line:";
- for (const char *S : ExpandedArgv)
- Msg += " " + std::string(S);
- message(Msg);
+ if (args.hasArg(OPT_verbose) && argv.size() != expandedArgv.size()) {
+ std::string msg = "Command line:";
+ for (const char *s : expandedArgv)
+ msg += " " + std::string(s);
+ message(msg);
}
// Save the command line after response file expansion so we can write it to
// the PDB if necessary.
- Config->Argv = {ExpandedArgv.begin(), ExpandedArgv.end()};
+ config->argv = {expandedArgv.begin(), expandedArgv.end()};
// Handle /WX early since it converts missing argument warnings to errors.
- errorHandler().FatalWarnings = Args.hasFlag(OPT_WX, OPT_WX_no, false);
+ errorHandler().fatalWarnings = args.hasFlag(OPT_WX, OPT_WX_no, false);
- if (MissingCount)
- fatal(Twine(Args.getArgString(MissingIndex)) + ": missing argument");
+ if (missingCount)
+ fatal(Twine(args.getArgString(missingIndex)) + ": missing argument");
- handleColorDiagnostics(Args);
+ handleColorDiagnostics(args);
- for (auto *Arg : Args.filtered(OPT_UNKNOWN)) {
- std::string Nearest;
- if (Table.findNearest(Arg->getAsString(Args), Nearest) > 1)
- warn("ignoring unknown argument '" + Arg->getAsString(Args) + "'");
+ for (auto *arg : args.filtered(OPT_UNKNOWN)) {
+ std::string nearest;
+ if (table.findNearest(arg->getAsString(args), nearest) > 1)
+ warn("ignoring unknown argument '" + arg->getAsString(args) + "'");
else
- warn("ignoring unknown argument '" + Arg->getAsString(Args) +
- "', did you mean '" + Nearest + "'");
+ warn("ignoring unknown argument '" + arg->getAsString(args) +
+ "', did you mean '" + nearest + "'");
}
- if (Args.hasArg(OPT_lib))
+ if (args.hasArg(OPT_lib))
warn("ignoring /lib since it's not the first argument");
- return Args;
+ return args;
}
// Tokenizes and parses a given string as command line in .drective section.
// /EXPORT options are processed in fastpath.
std::pair<opt::InputArgList, std::vector<StringRef>>
-ArgParser::parseDirectives(StringRef S) {
- std::vector<StringRef> Exports;
- SmallVector<const char *, 16> Rest;
+ArgParser::parseDirectives(StringRef s) {
+ std::vector<StringRef> exports;
+ SmallVector<const char *, 16> rest;
- for (StringRef Tok : tokenize(S)) {
- if (Tok.startswith_lower("/export:") || Tok.startswith_lower("-export:"))
- Exports.push_back(Tok.substr(strlen("/export:")));
+ for (StringRef tok : tokenize(s)) {
+ if (tok.startswith_lower("/export:") || tok.startswith_lower("-export:"))
+ exports.push_back(tok.substr(strlen("/export:")));
else
- Rest.push_back(Tok.data());
+ rest.push_back(tok.data());
}
// Make InputArgList from unparsed string vectors.
- unsigned MissingIndex;
- unsigned MissingCount;
+ unsigned missingIndex;
+ unsigned missingCount;
- opt::InputArgList Args = Table.ParseArgs(Rest, MissingIndex, MissingCount);
+ opt::InputArgList args = table.ParseArgs(rest, missingIndex, missingCount);
- if (MissingCount)
- fatal(Twine(Args.getArgString(MissingIndex)) + ": missing argument");
- for (auto *Arg : Args.filtered(OPT_UNKNOWN))
- warn("ignoring unknown argument: " + Arg->getAsString(Args));
- return {std::move(Args), std::move(Exports)};
+ if (missingCount)
+ fatal(Twine(args.getArgString(missingIndex)) + ": missing argument");
+ for (auto *arg : args.filtered(OPT_UNKNOWN))
+ warn("ignoring unknown argument: " + arg->getAsString(args));
+ return {std::move(args), std::move(exports)};
}
// link.exe has an interesting feature. If LINK or _LINK_ environment
// variables exist, their contents are handled as command line strings.
// So you can pass extra arguments using them.
-opt::InputArgList ArgParser::parseLINK(std::vector<const char *> Argv) {
+opt::InputArgList ArgParser::parseLINK(std::vector<const char *> argv) {
// Concatenate LINK env and command line arguments, and then parse them.
- if (Optional<std::string> S = Process::GetEnv("LINK")) {
- std::vector<const char *> V = tokenize(*S);
- Argv.insert(std::next(Argv.begin()), V.begin(), V.end());
+ if (Optional<std::string> s = Process::GetEnv("LINK")) {
+ std::vector<const char *> v = tokenize(*s);
+ argv.insert(std::next(argv.begin()), v.begin(), v.end());
}
- if (Optional<std::string> S = Process::GetEnv("_LINK_")) {
- std::vector<const char *> V = tokenize(*S);
- Argv.insert(std::next(Argv.begin()), V.begin(), V.end());
+ if (Optional<std::string> s = Process::GetEnv("_LINK_")) {
+ std::vector<const char *> v = tokenize(*s);
+ argv.insert(std::next(argv.begin()), v.begin(), v.end());
}
- return parse(Argv);
+ return parse(argv);
}
-std::vector<const char *> ArgParser::tokenize(StringRef S) {
- SmallVector<const char *, 16> Tokens;
- cl::TokenizeWindowsCommandLine(S, Saver, Tokens);
- return std::vector<const char *>(Tokens.begin(), Tokens.end());
+std::vector<const char *> ArgParser::tokenize(StringRef s) {
+ SmallVector<const char *, 16> tokens;
+ cl::TokenizeWindowsCommandLine(s, saver, tokens);
+ return std::vector<const char *>(tokens.begin(), tokens.end());
}
-void printHelp(const char *Argv0) {
+void printHelp(const char *argv0) {
COFFOptTable().PrintHelp(outs(),
- (std::string(Argv0) + " [options] file...").c_str(),
+ (std::string(argv0) + " [options] file...").c_str(),
"LLVM Linker", false);
}
diff --git a/lld/COFF/ICF.cpp b/lld/COFF/ICF.cpp
index 7e105dd..2b2818d 100644
--- a/lld/COFF/ICF.cpp
+++ b/lld/COFF/ICF.cpp
@@ -37,32 +37,32 @@
namespace lld {
namespace coff {
-static Timer ICFTimer("ICF", Timer::root());
+static Timer icfTimer("ICF", Timer::root());
class ICF {
public:
- void run(ArrayRef<Chunk *> V);
+ void run(ArrayRef<Chunk *> v);
private:
- void segregate(size_t Begin, size_t End, bool Constant);
+ void segregate(size_t begin, size_t end, bool constant);
- bool assocEquals(const SectionChunk *A, const SectionChunk *B);
+ bool assocEquals(const SectionChunk *a, const SectionChunk *b);
- bool equalsConstant(const SectionChunk *A, const SectionChunk *B);
- bool equalsVariable(const SectionChunk *A, const SectionChunk *B);
+ bool equalsConstant(const SectionChunk *a, const SectionChunk *b);
+ bool equalsVariable(const SectionChunk *a, const SectionChunk *b);
- bool isEligible(SectionChunk *C);
+ bool isEligible(SectionChunk *c);
- size_t findBoundary(size_t Begin, size_t End);
+ size_t findBoundary(size_t begin, size_t end);
- void forEachClassRange(size_t Begin, size_t End,
- std::function<void(size_t, size_t)> Fn);
+ void forEachClassRange(size_t begin, size_t end,
+ std::function<void(size_t, size_t)> fn);
- void forEachClass(std::function<void(size_t, size_t)> Fn);
+ void forEachClass(std::function<void(size_t, size_t)> fn);
- std::vector<SectionChunk *> Chunks;
- int Cnt = 0;
- std::atomic<bool> Repeat = {false};
+ std::vector<SectionChunk *> chunks;
+ int cnt = 0;
+ std::atomic<bool> repeat = {false};
};
// Returns true if section S is subject of ICF.
@@ -76,144 +76,144 @@
// merge read-only sections in a couple of cases where the address of the
// section is insignificant to the user program and the behaviour matches that
// of the Visual C++ linker.
-bool ICF::isEligible(SectionChunk *C) {
+bool ICF::isEligible(SectionChunk *c) {
// Non-comdat chunks, dead chunks, and writable chunks are not elegible.
- bool Writable = C->getOutputCharacteristics() & llvm::COFF::IMAGE_SCN_MEM_WRITE;
- if (!C->isCOMDAT() || !C->Live || Writable)
+ bool writable = c->getOutputCharacteristics() & llvm::COFF::IMAGE_SCN_MEM_WRITE;
+ if (!c->isCOMDAT() || !c->live || writable)
return false;
// Code sections are eligible.
- if (C->getOutputCharacteristics() & llvm::COFF::IMAGE_SCN_MEM_EXECUTE)
+ if (c->getOutputCharacteristics() & llvm::COFF::IMAGE_SCN_MEM_EXECUTE)
return true;
// .pdata and .xdata unwind info sections are eligible.
- StringRef OutSecName = C->getSectionName().split('$').first;
- if (OutSecName == ".pdata" || OutSecName == ".xdata")
+ StringRef outSecName = c->getSectionName().split('$').first;
+ if (outSecName == ".pdata" || outSecName == ".xdata")
return true;
// So are vtables.
- if (C->Sym && C->Sym->getName().startswith("??_7"))
+ if (c->sym && c->sym->getName().startswith("??_7"))
return true;
// Anything else not in an address-significance table is eligible.
- return !C->KeepUnique;
+ return !c->keepUnique;
}
// Split an equivalence class into smaller classes.
-void ICF::segregate(size_t Begin, size_t End, bool Constant) {
- while (Begin < End) {
+void ICF::segregate(size_t begin, size_t end, bool constant) {
+ while (begin < end) {
// Divide [Begin, End) into two. Let Mid be the start index of the
// second group.
- auto Bound = std::stable_partition(
- Chunks.begin() + Begin + 1, Chunks.begin() + End, [&](SectionChunk *S) {
- if (Constant)
- return equalsConstant(Chunks[Begin], S);
- return equalsVariable(Chunks[Begin], S);
+ auto bound = std::stable_partition(
+ chunks.begin() + begin + 1, chunks.begin() + end, [&](SectionChunk *s) {
+ if (constant)
+ return equalsConstant(chunks[begin], s);
+ return equalsVariable(chunks[begin], s);
});
- size_t Mid = Bound - Chunks.begin();
+ size_t mid = bound - chunks.begin();
// Split [Begin, End) into [Begin, Mid) and [Mid, End). We use Mid as an
// equivalence class ID because every group ends with a unique index.
- for (size_t I = Begin; I < Mid; ++I)
- Chunks[I]->Class[(Cnt + 1) % 2] = Mid;
+ for (size_t i = begin; i < mid; ++i)
+ chunks[i]->eqClass[(cnt + 1) % 2] = mid;
// If we created a group, we need to iterate the main loop again.
- if (Mid != End)
- Repeat = true;
+ if (mid != end)
+ repeat = true;
- Begin = Mid;
+ begin = mid;
}
}
// Returns true if two sections' associative children are equal.
-bool ICF::assocEquals(const SectionChunk *A, const SectionChunk *B) {
- auto ChildClasses = [&](const SectionChunk *SC) {
- std::vector<uint32_t> Classes;
- for (const SectionChunk &C : SC->children())
- if (!C.getSectionName().startswith(".debug") &&
- C.getSectionName() != ".gfids$y" && C.getSectionName() != ".gljmp$y")
- Classes.push_back(C.Class[Cnt % 2]);
- return Classes;
+bool ICF::assocEquals(const SectionChunk *a, const SectionChunk *b) {
+ auto childClasses = [&](const SectionChunk *sc) {
+ std::vector<uint32_t> classes;
+ for (const SectionChunk &c : sc->children())
+ if (!c.getSectionName().startswith(".debug") &&
+ c.getSectionName() != ".gfids$y" && c.getSectionName() != ".gljmp$y")
+ classes.push_back(c.eqClass[cnt % 2]);
+ return classes;
};
- return ChildClasses(A) == ChildClasses(B);
+ return childClasses(a) == childClasses(b);
}
// Compare "non-moving" part of two sections, namely everything
// except relocation targets.
-bool ICF::equalsConstant(const SectionChunk *A, const SectionChunk *B) {
- if (A->RelocsSize != B->RelocsSize)
+bool ICF::equalsConstant(const SectionChunk *a, const SectionChunk *b) {
+ if (a->relocsSize != b->relocsSize)
return false;
// Compare relocations.
- auto Eq = [&](const coff_relocation &R1, const coff_relocation &R2) {
- if (R1.Type != R2.Type ||
- R1.VirtualAddress != R2.VirtualAddress) {
+ auto eq = [&](const coff_relocation &r1, const coff_relocation &r2) {
+ if (r1.Type != r2.Type ||
+ r1.VirtualAddress != r2.VirtualAddress) {
return false;
}
- Symbol *B1 = A->File->getSymbol(R1.SymbolTableIndex);
- Symbol *B2 = B->File->getSymbol(R2.SymbolTableIndex);
- if (B1 == B2)
+ Symbol *b1 = a->file->getSymbol(r1.SymbolTableIndex);
+ Symbol *b2 = b->file->getSymbol(r2.SymbolTableIndex);
+ if (b1 == b2)
return true;
- if (auto *D1 = dyn_cast<DefinedRegular>(B1))
- if (auto *D2 = dyn_cast<DefinedRegular>(B2))
- return D1->getValue() == D2->getValue() &&
- D1->getChunk()->Class[Cnt % 2] == D2->getChunk()->Class[Cnt % 2];
+ if (auto *d1 = dyn_cast<DefinedRegular>(b1))
+ if (auto *d2 = dyn_cast<DefinedRegular>(b2))
+ return d1->getValue() == d2->getValue() &&
+ d1->getChunk()->eqClass[cnt % 2] == d2->getChunk()->eqClass[cnt % 2];
return false;
};
- if (!std::equal(A->getRelocs().begin(), A->getRelocs().end(),
- B->getRelocs().begin(), Eq))
+ if (!std::equal(a->getRelocs().begin(), a->getRelocs().end(),
+ b->getRelocs().begin(), eq))
return false;
// Compare section attributes and contents.
- return A->getOutputCharacteristics() == B->getOutputCharacteristics() &&
- A->getSectionName() == B->getSectionName() &&
- A->Header->SizeOfRawData == B->Header->SizeOfRawData &&
- A->Checksum == B->Checksum && A->getContents() == B->getContents() &&
- assocEquals(A, B);
+ return a->getOutputCharacteristics() == b->getOutputCharacteristics() &&
+ a->getSectionName() == b->getSectionName() &&
+ a->header->SizeOfRawData == b->header->SizeOfRawData &&
+ a->checksum == b->checksum && a->getContents() == b->getContents() &&
+ assocEquals(a, b);
}
// Compare "moving" part of two sections, namely relocation targets.
-bool ICF::equalsVariable(const SectionChunk *A, const SectionChunk *B) {
+bool ICF::equalsVariable(const SectionChunk *a, const SectionChunk *b) {
// Compare relocations.
- auto Eq = [&](const coff_relocation &R1, const coff_relocation &R2) {
- Symbol *B1 = A->File->getSymbol(R1.SymbolTableIndex);
- Symbol *B2 = B->File->getSymbol(R2.SymbolTableIndex);
- if (B1 == B2)
+ auto eq = [&](const coff_relocation &r1, const coff_relocation &r2) {
+ Symbol *b1 = a->file->getSymbol(r1.SymbolTableIndex);
+ Symbol *b2 = b->file->getSymbol(r2.SymbolTableIndex);
+ if (b1 == b2)
return true;
- if (auto *D1 = dyn_cast<DefinedRegular>(B1))
- if (auto *D2 = dyn_cast<DefinedRegular>(B2))
- return D1->getChunk()->Class[Cnt % 2] == D2->getChunk()->Class[Cnt % 2];
+ if (auto *d1 = dyn_cast<DefinedRegular>(b1))
+ if (auto *d2 = dyn_cast<DefinedRegular>(b2))
+ return d1->getChunk()->eqClass[cnt % 2] == d2->getChunk()->eqClass[cnt % 2];
return false;
};
- return std::equal(A->getRelocs().begin(), A->getRelocs().end(),
- B->getRelocs().begin(), Eq) &&
- assocEquals(A, B);
+ return std::equal(a->getRelocs().begin(), a->getRelocs().end(),
+ b->getRelocs().begin(), eq) &&
+ assocEquals(a, b);
}
// Find the first Chunk after Begin that has a different class from Begin.
-size_t ICF::findBoundary(size_t Begin, size_t End) {
- for (size_t I = Begin + 1; I < End; ++I)
- if (Chunks[Begin]->Class[Cnt % 2] != Chunks[I]->Class[Cnt % 2])
- return I;
- return End;
+size_t ICF::findBoundary(size_t begin, size_t end) {
+ for (size_t i = begin + 1; i < end; ++i)
+ if (chunks[begin]->eqClass[cnt % 2] != chunks[i]->eqClass[cnt % 2])
+ return i;
+ return end;
}
-void ICF::forEachClassRange(size_t Begin, size_t End,
- std::function<void(size_t, size_t)> Fn) {
- while (Begin < End) {
- size_t Mid = findBoundary(Begin, End);
- Fn(Begin, Mid);
- Begin = Mid;
+void ICF::forEachClassRange(size_t begin, size_t end,
+ std::function<void(size_t, size_t)> fn) {
+ while (begin < end) {
+ size_t mid = findBoundary(begin, end);
+ fn(begin, mid);
+ begin = mid;
}
}
// Call Fn on each class group.
-void ICF::forEachClass(std::function<void(size_t, size_t)> Fn) {
+void ICF::forEachClass(std::function<void(size_t, size_t)> fn) {
// If the number of sections are too small to use threading,
// call Fn sequentially.
- if (Chunks.size() < 1024) {
- forEachClassRange(0, Chunks.size(), Fn);
- ++Cnt;
+ if (chunks.size() < 1024) {
+ forEachClassRange(0, chunks.size(), fn);
+ ++cnt;
return;
}
@@ -221,97 +221,97 @@
// The sharding must be completed before any calls to Fn are made
// so that Fn can modify the Chunks in its shard without causing data
// races.
- const size_t NumShards = 256;
- size_t Step = Chunks.size() / NumShards;
- size_t Boundaries[NumShards + 1];
- Boundaries[0] = 0;
- Boundaries[NumShards] = Chunks.size();
- parallelForEachN(1, NumShards, [&](size_t I) {
- Boundaries[I] = findBoundary((I - 1) * Step, Chunks.size());
+ const size_t numShards = 256;
+ size_t step = chunks.size() / numShards;
+ size_t boundaries[numShards + 1];
+ boundaries[0] = 0;
+ boundaries[numShards] = chunks.size();
+ parallelForEachN(1, numShards, [&](size_t i) {
+ boundaries[i] = findBoundary((i - 1) * step, chunks.size());
});
- parallelForEachN(1, NumShards + 1, [&](size_t I) {
- if (Boundaries[I - 1] < Boundaries[I]) {
- forEachClassRange(Boundaries[I - 1], Boundaries[I], Fn);
+ parallelForEachN(1, numShards + 1, [&](size_t i) {
+ if (boundaries[i - 1] < boundaries[i]) {
+ forEachClassRange(boundaries[i - 1], boundaries[i], fn);
}
});
- ++Cnt;
+ ++cnt;
}
// Merge identical COMDAT sections.
// Two sections are considered the same if their section headers,
// contents and relocations are all the same.
-void ICF::run(ArrayRef<Chunk *> Vec) {
- ScopedTimer T(ICFTimer);
+void ICF::run(ArrayRef<Chunk *> vec) {
+ ScopedTimer t(icfTimer);
// Collect only mergeable sections and group by hash value.
- uint32_t NextId = 1;
- for (Chunk *C : Vec) {
- if (auto *SC = dyn_cast<SectionChunk>(C)) {
- if (isEligible(SC))
- Chunks.push_back(SC);
+ uint32_t nextId = 1;
+ for (Chunk *c : vec) {
+ if (auto *sc = dyn_cast<SectionChunk>(c)) {
+ if (isEligible(sc))
+ chunks.push_back(sc);
else
- SC->Class[0] = NextId++;
+ sc->eqClass[0] = nextId++;
}
}
// Make sure that ICF doesn't merge sections that are being handled by string
// tail merging.
- for (MergeChunk *MC : MergeChunk::Instances)
- if (MC)
- for (SectionChunk *SC : MC->Sections)
- SC->Class[0] = NextId++;
+ for (MergeChunk *mc : MergeChunk::instances)
+ if (mc)
+ for (SectionChunk *sc : mc->sections)
+ sc->eqClass[0] = nextId++;
// Initially, we use hash values to partition sections.
- parallelForEach(Chunks, [&](SectionChunk *SC) {
- SC->Class[0] = xxHash64(SC->getContents());
+ parallelForEach(chunks, [&](SectionChunk *sc) {
+ sc->eqClass[0] = xxHash64(sc->getContents());
});
// Combine the hashes of the sections referenced by each section into its
// hash.
- for (unsigned Cnt = 0; Cnt != 2; ++Cnt) {
- parallelForEach(Chunks, [&](SectionChunk *SC) {
- uint32_t Hash = SC->Class[Cnt % 2];
- for (Symbol *B : SC->symbols())
- if (auto *Sym = dyn_cast_or_null<DefinedRegular>(B))
- Hash += Sym->getChunk()->Class[Cnt % 2];
+ for (unsigned cnt = 0; cnt != 2; ++cnt) {
+ parallelForEach(chunks, [&](SectionChunk *sc) {
+ uint32_t hash = sc->eqClass[cnt % 2];
+ for (Symbol *b : sc->symbols())
+ if (auto *sym = dyn_cast_or_null<DefinedRegular>(b))
+ hash += sym->getChunk()->eqClass[cnt % 2];
// Set MSB to 1 to avoid collisions with non-hash classs.
- SC->Class[(Cnt + 1) % 2] = Hash | (1U << 31);
+ sc->eqClass[(cnt + 1) % 2] = hash | (1U << 31);
});
}
// From now on, sections in Chunks are ordered so that sections in
// the same group are consecutive in the vector.
- llvm::stable_sort(Chunks, [](const SectionChunk *A, const SectionChunk *B) {
- return A->Class[0] < B->Class[0];
+ llvm::stable_sort(chunks, [](const SectionChunk *a, const SectionChunk *b) {
+ return a->eqClass[0] < b->eqClass[0];
});
// Compare static contents and assign unique IDs for each static content.
- forEachClass([&](size_t Begin, size_t End) { segregate(Begin, End, true); });
+ forEachClass([&](size_t begin, size_t end) { segregate(begin, end, true); });
// Split groups by comparing relocations until convergence is obtained.
do {
- Repeat = false;
+ repeat = false;
forEachClass(
- [&](size_t Begin, size_t End) { segregate(Begin, End, false); });
- } while (Repeat);
+ [&](size_t begin, size_t end) { segregate(begin, end, false); });
+ } while (repeat);
- log("ICF needed " + Twine(Cnt) + " iterations");
+ log("ICF needed " + Twine(cnt) + " iterations");
// Merge sections in the same classs.
- forEachClass([&](size_t Begin, size_t End) {
- if (End - Begin == 1)
+ forEachClass([&](size_t begin, size_t end) {
+ if (end - begin == 1)
return;
- log("Selected " + Chunks[Begin]->getDebugName());
- for (size_t I = Begin + 1; I < End; ++I) {
- log(" Removed " + Chunks[I]->getDebugName());
- Chunks[Begin]->replace(Chunks[I]);
+ log("Selected " + chunks[begin]->getDebugName());
+ for (size_t i = begin + 1; i < end; ++i) {
+ log(" Removed " + chunks[i]->getDebugName());
+ chunks[begin]->replace(chunks[i]);
}
});
}
// Entry point to ICF.
-void doICF(ArrayRef<Chunk *> Chunks) { ICF().run(Chunks); }
+void doICF(ArrayRef<Chunk *> chunks) { ICF().run(chunks); }
} // namespace coff
} // namespace lld
diff --git a/lld/COFF/ICF.h b/lld/COFF/ICF.h
index f692c8a..0b3c8fa 100644
--- a/lld/COFF/ICF.h
+++ b/lld/COFF/ICF.h
@@ -17,7 +17,7 @@
class Chunk;
-void doICF(ArrayRef<Chunk *> Chunks);
+void doICF(ArrayRef<Chunk *> chunks);
} // namespace coff
} // namespace lld
diff --git a/lld/COFF/InputFiles.cpp b/lld/COFF/InputFiles.cpp
index aac3b40..6737db8 100644
--- a/lld/COFF/InputFiles.cpp
+++ b/lld/COFF/InputFiles.cpp
@@ -49,80 +49,80 @@
namespace lld {
namespace coff {
-std::vector<ObjFile *> ObjFile::Instances;
-std::vector<ImportFile *> ImportFile::Instances;
-std::vector<BitcodeFile *> BitcodeFile::Instances;
+std::vector<ObjFile *> ObjFile::instances;
+std::vector<ImportFile *> ImportFile::instances;
+std::vector<BitcodeFile *> BitcodeFile::instances;
/// Checks that Source is compatible with being a weak alias to Target.
/// If Source is Undefined and has no weak alias set, makes it a weak
/// alias to Target.
-static void checkAndSetWeakAlias(SymbolTable *Symtab, InputFile *F,
- Symbol *Source, Symbol *Target) {
- if (auto *U = dyn_cast<Undefined>(Source)) {
- if (U->WeakAlias && U->WeakAlias != Target) {
+static void checkAndSetWeakAlias(SymbolTable *symtab, InputFile *f,
+ Symbol *source, Symbol *target) {
+ if (auto *u = dyn_cast<Undefined>(source)) {
+ if (u->weakAlias && u->weakAlias != target) {
// Weak aliases as produced by GCC are named in the form
// .weak.<weaksymbol>.<othersymbol>, where <othersymbol> is the name
// of another symbol emitted near the weak symbol.
// Just use the definition from the first object file that defined
// this weak symbol.
- if (Config->MinGW)
+ if (config->mingw)
return;
- Symtab->reportDuplicate(Source, F);
+ symtab->reportDuplicate(source, f);
}
- U->WeakAlias = Target;
+ u->weakAlias = target;
}
}
-ArchiveFile::ArchiveFile(MemoryBufferRef M) : InputFile(ArchiveKind, M) {}
+ArchiveFile::ArchiveFile(MemoryBufferRef m) : InputFile(ArchiveKind, m) {}
void ArchiveFile::parse() {
// Parse a MemoryBufferRef as an archive file.
- File = CHECK(Archive::create(MB), this);
+ file = CHECK(Archive::create(mb), this);
// Read the symbol table to construct Lazy objects.
- for (const Archive::Symbol &Sym : File->symbols())
- Symtab->addLazy(this, Sym);
+ for (const Archive::Symbol &sym : file->symbols())
+ symtab->addLazy(this, sym);
}
// Returns a buffer pointing to a member file containing a given symbol.
-void ArchiveFile::addMember(const Archive::Symbol *Sym) {
- const Archive::Child &C =
- CHECK(Sym->getMember(),
- "could not get the member for symbol " + Sym->getName());
+void ArchiveFile::addMember(const Archive::Symbol *sym) {
+ const Archive::Child &c =
+ CHECK(sym->getMember(),
+ "could not get the member for symbol " + sym->getName());
// Return an empty buffer if we have already returned the same buffer.
- if (!Seen.insert(C.getChildOffset()).second)
+ if (!seen.insert(c.getChildOffset()).second)
return;
- Driver->enqueueArchiveMember(C, Sym->getName(), getName());
+ driver->enqueueArchiveMember(c, sym->getName(), getName());
}
-std::vector<MemoryBufferRef> getArchiveMembers(Archive *File) {
- std::vector<MemoryBufferRef> V;
- Error Err = Error::success();
- for (const ErrorOr<Archive::Child> &COrErr : File->children(Err)) {
- Archive::Child C =
- CHECK(COrErr,
- File->getFileName() + ": could not get the child of the archive");
- MemoryBufferRef MBRef =
- CHECK(C.getMemoryBufferRef(),
- File->getFileName() +
+std::vector<MemoryBufferRef> getArchiveMembers(Archive *file) {
+ std::vector<MemoryBufferRef> v;
+ Error err = Error::success();
+ for (const ErrorOr<Archive::Child> &cOrErr : file->children(err)) {
+ Archive::Child c =
+ CHECK(cOrErr,
+ file->getFileName() + ": could not get the child of the archive");
+ MemoryBufferRef mbref =
+ CHECK(c.getMemoryBufferRef(),
+ file->getFileName() +
": could not get the buffer for a child of the archive");
- V.push_back(MBRef);
+ v.push_back(mbref);
}
- if (Err)
- fatal(File->getFileName() +
- ": Archive::children failed: " + toString(std::move(Err)));
- return V;
+ if (err)
+ fatal(file->getFileName() +
+ ": Archive::children failed: " + toString(std::move(err)));
+ return v;
}
void ObjFile::parse() {
// Parse a memory buffer as a COFF file.
- std::unique_ptr<Binary> Bin = CHECK(createBinary(MB), this);
+ std::unique_ptr<Binary> bin = CHECK(createBinary(mb), this);
- if (auto *Obj = dyn_cast<COFFObjectFile>(Bin.get())) {
- Bin.release();
- COFFObj.reset(Obj);
+ if (auto *obj = dyn_cast<COFFObjectFile>(bin.get())) {
+ bin.release();
+ coffObj.reset(obj);
} else {
fatal(toString(this) + " is not a COFF file");
}
@@ -134,11 +134,11 @@
initializeDependencies();
}
-const coff_section* ObjFile::getSection(uint32_t I) {
- const coff_section *Sec;
- if (auto EC = COFFObj->getSection(I, Sec))
- fatal("getSection failed: #" + Twine(I) + ": " + EC.message());
- return Sec;
+const coff_section* ObjFile::getSection(uint32_t i) {
+ const coff_section *sec;
+ if (auto ec = coffObj->getSection(i, sec))
+ fatal("getSection failed: #" + Twine(i) + ": " + ec.message());
+ return sec;
}
// We set SectionChunk pointers in the SparseChunks vector to this value
@@ -147,42 +147,42 @@
// an associative section definition together with the parent comdat's leader,
// we set the pointer to either nullptr (to mark the section as discarded) or a
// valid SectionChunk for that section.
-static SectionChunk *const PendingComdat = reinterpret_cast<SectionChunk *>(1);
+static SectionChunk *const pendingComdat = reinterpret_cast<SectionChunk *>(1);
void ObjFile::initializeChunks() {
- uint32_t NumSections = COFFObj->getNumberOfSections();
- Chunks.reserve(NumSections);
- SparseChunks.resize(NumSections + 1);
- for (uint32_t I = 1; I < NumSections + 1; ++I) {
- const coff_section *Sec = getSection(I);
- if (Sec->Characteristics & IMAGE_SCN_LNK_COMDAT)
- SparseChunks[I] = PendingComdat;
+ uint32_t numSections = coffObj->getNumberOfSections();
+ chunks.reserve(numSections);
+ sparseChunks.resize(numSections + 1);
+ for (uint32_t i = 1; i < numSections + 1; ++i) {
+ const coff_section *sec = getSection(i);
+ if (sec->Characteristics & IMAGE_SCN_LNK_COMDAT)
+ sparseChunks[i] = pendingComdat;
else
- SparseChunks[I] = readSection(I, nullptr, "");
+ sparseChunks[i] = readSection(i, nullptr, "");
}
}
-SectionChunk *ObjFile::readSection(uint32_t SectionNumber,
- const coff_aux_section_definition *Def,
- StringRef LeaderName) {
- const coff_section *Sec = getSection(SectionNumber);
+SectionChunk *ObjFile::readSection(uint32_t sectionNumber,
+ const coff_aux_section_definition *def,
+ StringRef leaderName) {
+ const coff_section *sec = getSection(sectionNumber);
- StringRef Name;
- if (Expected<StringRef> E = COFFObj->getSectionName(Sec))
- Name = *E;
+ StringRef name;
+ if (Expected<StringRef> e = coffObj->getSectionName(sec))
+ name = *e;
else
- fatal("getSectionName failed: #" + Twine(SectionNumber) + ": " +
- toString(E.takeError()));
+ fatal("getSectionName failed: #" + Twine(sectionNumber) + ": " +
+ toString(e.takeError()));
- if (Name == ".drectve") {
- ArrayRef<uint8_t> Data;
- cantFail(COFFObj->getSectionContents(Sec, Data));
- Directives = StringRef((const char *)Data.data(), Data.size());
+ if (name == ".drectve") {
+ ArrayRef<uint8_t> data;
+ cantFail(coffObj->getSectionContents(sec, data));
+ directives = StringRef((const char *)data.data(), data.size());
return nullptr;
}
- if (Name == ".llvm_addrsig") {
- AddrsigSec = Sec;
+ if (name == ".llvm_addrsig") {
+ addrsigSec = sec;
return nullptr;
}
@@ -197,166 +197,166 @@
// and then write it to a separate .pdb file.
// Ignore DWARF debug info unless /debug is given.
- if (!Config->Debug && Name.startswith(".debug_"))
+ if (!config->debug && name.startswith(".debug_"))
return nullptr;
- if (Sec->Characteristics & llvm::COFF::IMAGE_SCN_LNK_REMOVE)
+ if (sec->Characteristics & llvm::COFF::IMAGE_SCN_LNK_REMOVE)
return nullptr;
- auto *C = make<SectionChunk>(this, Sec);
- if (Def)
- C->Checksum = Def->CheckSum;
+ auto *c = make<SectionChunk>(this, sec);
+ if (def)
+ c->checksum = def->CheckSum;
// link.exe uses the presence of .rsrc$01 for LNK4078, so match that.
- if (Name == ".rsrc$01")
- IsResourceObjFile = true;
+ if (name == ".rsrc$01")
+ isResourceObjFile = true;
// CodeView sections are stored to a different vector because they are not
// linked in the regular manner.
- if (C->isCodeView())
- DebugChunks.push_back(C);
- else if (Name == ".gfids$y")
- GuardFidChunks.push_back(C);
- else if (Name == ".gljmp$y")
- GuardLJmpChunks.push_back(C);
- else if (Name == ".sxdata")
- SXDataChunks.push_back(C);
- else if (Config->TailMerge && Sec->NumberOfRelocations == 0 &&
- Name == ".rdata" && LeaderName.startswith("??_C@"))
+ if (c->isCodeView())
+ debugChunks.push_back(c);
+ else if (name == ".gfids$y")
+ guardFidChunks.push_back(c);
+ else if (name == ".gljmp$y")
+ guardLJmpChunks.push_back(c);
+ else if (name == ".sxdata")
+ sXDataChunks.push_back(c);
+ else if (config->tailMerge && sec->NumberOfRelocations == 0 &&
+ name == ".rdata" && leaderName.startswith("??_C@"))
// COFF sections that look like string literal sections (i.e. no
// relocations, in .rdata, leader symbol name matches the MSVC name mangling
// for string literals) are subject to string tail merging.
- MergeChunk::addSection(C);
+ MergeChunk::addSection(c);
else
- Chunks.push_back(C);
+ chunks.push_back(c);
- return C;
+ return c;
}
void ObjFile::readAssociativeDefinition(
- COFFSymbolRef Sym, const coff_aux_section_definition *Def) {
- readAssociativeDefinition(Sym, Def, Def->getNumber(Sym.isBigObj()));
+ COFFSymbolRef sym, const coff_aux_section_definition *def) {
+ readAssociativeDefinition(sym, def, def->getNumber(sym.isBigObj()));
}
-void ObjFile::readAssociativeDefinition(COFFSymbolRef Sym,
- const coff_aux_section_definition *Def,
- uint32_t ParentIndex) {
- SectionChunk *Parent = SparseChunks[ParentIndex];
- int32_t SectionNumber = Sym.getSectionNumber();
+void ObjFile::readAssociativeDefinition(COFFSymbolRef sym,
+ const coff_aux_section_definition *def,
+ uint32_t parentIndex) {
+ SectionChunk *parent = sparseChunks[parentIndex];
+ int32_t sectionNumber = sym.getSectionNumber();
- auto Diag = [&]() {
- StringRef Name, ParentName;
- COFFObj->getSymbolName(Sym, Name);
+ auto diag = [&]() {
+ StringRef name, parentName;
+ coffObj->getSymbolName(sym, name);
- const coff_section *ParentSec = getSection(ParentIndex);
- if (Expected<StringRef> E = COFFObj->getSectionName(ParentSec))
- ParentName = *E;
- error(toString(this) + ": associative comdat " + Name + " (sec " +
- Twine(SectionNumber) + ") has invalid reference to section " +
- ParentName + " (sec " + Twine(ParentIndex) + ")");
+ const coff_section *parentSec = getSection(parentIndex);
+ if (Expected<StringRef> e = coffObj->getSectionName(parentSec))
+ parentName = *e;
+ error(toString(this) + ": associative comdat " + name + " (sec " +
+ Twine(sectionNumber) + ") has invalid reference to section " +
+ parentName + " (sec " + Twine(parentIndex) + ")");
};
- if (Parent == PendingComdat) {
+ if (parent == pendingComdat) {
// This can happen if an associative comdat refers to another associative
// comdat that appears after it (invalid per COFF spec) or to a section
// without any symbols.
- Diag();
+ diag();
return;
}
// Check whether the parent is prevailing. If it is, so are we, and we read
// the section; otherwise mark it as discarded.
- if (Parent) {
- SectionChunk *C = readSection(SectionNumber, Def, "");
- SparseChunks[SectionNumber] = C;
- if (C) {
- C->Selection = IMAGE_COMDAT_SELECT_ASSOCIATIVE;
- Parent->addAssociative(C);
+ if (parent) {
+ SectionChunk *c = readSection(sectionNumber, def, "");
+ sparseChunks[sectionNumber] = c;
+ if (c) {
+ c->selection = IMAGE_COMDAT_SELECT_ASSOCIATIVE;
+ parent->addAssociative(c);
}
} else {
- SparseChunks[SectionNumber] = nullptr;
+ sparseChunks[sectionNumber] = nullptr;
}
}
void ObjFile::recordPrevailingSymbolForMingw(
- COFFSymbolRef Sym, DenseMap<StringRef, uint32_t> &PrevailingSectionMap) {
+ COFFSymbolRef sym, DenseMap<StringRef, uint32_t> &prevailingSectionMap) {
// For comdat symbols in executable sections, where this is the copy
// of the section chunk we actually include instead of discarding it,
// add the symbol to a map to allow using it for implicitly
// associating .[px]data$<func> sections to it.
- int32_t SectionNumber = Sym.getSectionNumber();
- SectionChunk *SC = SparseChunks[SectionNumber];
- if (SC && SC->getOutputCharacteristics() & IMAGE_SCN_MEM_EXECUTE) {
- StringRef Name;
- COFFObj->getSymbolName(Sym, Name);
+ int32_t sectionNumber = sym.getSectionNumber();
+ SectionChunk *sc = sparseChunks[sectionNumber];
+ if (sc && sc->getOutputCharacteristics() & IMAGE_SCN_MEM_EXECUTE) {
+ StringRef name;
+ coffObj->getSymbolName(sym, name);
if (getMachineType() == I386)
- Name.consume_front("_");
- PrevailingSectionMap[Name] = SectionNumber;
+ name.consume_front("_");
+ prevailingSectionMap[name] = sectionNumber;
}
}
void ObjFile::maybeAssociateSEHForMingw(
- COFFSymbolRef Sym, const coff_aux_section_definition *Def,
- const DenseMap<StringRef, uint32_t> &PrevailingSectionMap) {
- StringRef Name;
- COFFObj->getSymbolName(Sym, Name);
- if (Name.consume_front(".pdata$") || Name.consume_front(".xdata$") ||
- Name.consume_front(".eh_frame$")) {
+ COFFSymbolRef sym, const coff_aux_section_definition *def,
+ const DenseMap<StringRef, uint32_t> &prevailingSectionMap) {
+ StringRef name;
+ coffObj->getSymbolName(sym, name);
+ if (name.consume_front(".pdata$") || name.consume_front(".xdata$") ||
+ name.consume_front(".eh_frame$")) {
// For MinGW, treat .[px]data$<func> and .eh_frame$<func> as implicitly
// associative to the symbol <func>.
- auto ParentSym = PrevailingSectionMap.find(Name);
- if (ParentSym != PrevailingSectionMap.end())
- readAssociativeDefinition(Sym, Def, ParentSym->second);
+ auto parentSym = prevailingSectionMap.find(name);
+ if (parentSym != prevailingSectionMap.end())
+ readAssociativeDefinition(sym, def, parentSym->second);
}
}
-Symbol *ObjFile::createRegular(COFFSymbolRef Sym) {
- SectionChunk *SC = SparseChunks[Sym.getSectionNumber()];
- if (Sym.isExternal()) {
- StringRef Name;
- COFFObj->getSymbolName(Sym, Name);
- if (SC)
- return Symtab->addRegular(this, Name, Sym.getGeneric(), SC);
+Symbol *ObjFile::createRegular(COFFSymbolRef sym) {
+ SectionChunk *sc = sparseChunks[sym.getSectionNumber()];
+ if (sym.isExternal()) {
+ StringRef name;
+ coffObj->getSymbolName(sym, name);
+ if (sc)
+ return symtab->addRegular(this, name, sym.getGeneric(), sc);
// For MinGW symbols named .weak.* that point to a discarded section,
// don't create an Undefined symbol. If nothing ever refers to the symbol,
// everything should be fine. If something actually refers to the symbol
// (e.g. the undefined weak alias), linking will fail due to undefined
// references at the end.
- if (Config->MinGW && Name.startswith(".weak."))
+ if (config->mingw && name.startswith(".weak."))
return nullptr;
- return Symtab->addUndefined(Name, this, false);
+ return symtab->addUndefined(name, this, false);
}
- if (SC)
+ if (sc)
return make<DefinedRegular>(this, /*Name*/ "", /*IsCOMDAT*/ false,
- /*IsExternal*/ false, Sym.getGeneric(), SC);
+ /*IsExternal*/ false, sym.getGeneric(), sc);
return nullptr;
}
void ObjFile::initializeSymbols() {
- uint32_t NumSymbols = COFFObj->getNumberOfSymbols();
- Symbols.resize(NumSymbols);
+ uint32_t numSymbols = coffObj->getNumberOfSymbols();
+ symbols.resize(numSymbols);
- SmallVector<std::pair<Symbol *, uint32_t>, 8> WeakAliases;
- std::vector<uint32_t> PendingIndexes;
- PendingIndexes.reserve(NumSymbols);
+ SmallVector<std::pair<Symbol *, uint32_t>, 8> weakAliases;
+ std::vector<uint32_t> pendingIndexes;
+ pendingIndexes.reserve(numSymbols);
- DenseMap<StringRef, uint32_t> PrevailingSectionMap;
- std::vector<const coff_aux_section_definition *> ComdatDefs(
- COFFObj->getNumberOfSections() + 1);
+ DenseMap<StringRef, uint32_t> prevailingSectionMap;
+ std::vector<const coff_aux_section_definition *> comdatDefs(
+ coffObj->getNumberOfSections() + 1);
- for (uint32_t I = 0; I < NumSymbols; ++I) {
- COFFSymbolRef COFFSym = check(COFFObj->getSymbol(I));
- bool PrevailingComdat;
- if (COFFSym.isUndefined()) {
- Symbols[I] = createUndefined(COFFSym);
- } else if (COFFSym.isWeakExternal()) {
- Symbols[I] = createUndefined(COFFSym);
- uint32_t TagIndex = COFFSym.getAux<coff_aux_weak_external>()->TagIndex;
- WeakAliases.emplace_back(Symbols[I], TagIndex);
- } else if (Optional<Symbol *> OptSym =
- createDefined(COFFSym, ComdatDefs, PrevailingComdat)) {
- Symbols[I] = *OptSym;
- if (Config->MinGW && PrevailingComdat)
- recordPrevailingSymbolForMingw(COFFSym, PrevailingSectionMap);
+ for (uint32_t i = 0; i < numSymbols; ++i) {
+ COFFSymbolRef coffSym = check(coffObj->getSymbol(i));
+ bool prevailingComdat;
+ if (coffSym.isUndefined()) {
+ symbols[i] = createUndefined(coffSym);
+ } else if (coffSym.isWeakExternal()) {
+ symbols[i] = createUndefined(coffSym);
+ uint32_t tagIndex = coffSym.getAux<coff_aux_weak_external>()->TagIndex;
+ weakAliases.emplace_back(symbols[i], tagIndex);
+ } else if (Optional<Symbol *> optSym =
+ createDefined(coffSym, comdatDefs, prevailingComdat)) {
+ symbols[i] = *optSym;
+ if (config->mingw && prevailingComdat)
+ recordPrevailingSymbolForMingw(coffSym, prevailingSectionMap);
} else {
// createDefined() returns None if a symbol belongs to a section that
// was pending at the point when the symbol was read. This can happen in
@@ -366,71 +366,71 @@
// In both of these cases, we can expect the section to be resolved by
// the time we finish visiting the remaining symbols in the symbol
// table. So we postpone the handling of this symbol until that time.
- PendingIndexes.push_back(I);
+ pendingIndexes.push_back(i);
}
- I += COFFSym.getNumberOfAuxSymbols();
+ i += coffSym.getNumberOfAuxSymbols();
}
- for (uint32_t I : PendingIndexes) {
- COFFSymbolRef Sym = check(COFFObj->getSymbol(I));
- if (const coff_aux_section_definition *Def = Sym.getSectionDefinition()) {
- if (Def->Selection == IMAGE_COMDAT_SELECT_ASSOCIATIVE)
- readAssociativeDefinition(Sym, Def);
- else if (Config->MinGW)
- maybeAssociateSEHForMingw(Sym, Def, PrevailingSectionMap);
+ for (uint32_t i : pendingIndexes) {
+ COFFSymbolRef sym = check(coffObj->getSymbol(i));
+ if (const coff_aux_section_definition *def = sym.getSectionDefinition()) {
+ if (def->Selection == IMAGE_COMDAT_SELECT_ASSOCIATIVE)
+ readAssociativeDefinition(sym, def);
+ else if (config->mingw)
+ maybeAssociateSEHForMingw(sym, def, prevailingSectionMap);
}
- if (SparseChunks[Sym.getSectionNumber()] == PendingComdat) {
- StringRef Name;
- COFFObj->getSymbolName(Sym, Name);
- log("comdat section " + Name +
+ if (sparseChunks[sym.getSectionNumber()] == pendingComdat) {
+ StringRef name;
+ coffObj->getSymbolName(sym, name);
+ log("comdat section " + name +
" without leader and unassociated, discarding");
continue;
}
- Symbols[I] = createRegular(Sym);
+ symbols[i] = createRegular(sym);
}
- for (auto &KV : WeakAliases) {
- Symbol *Sym = KV.first;
- uint32_t Idx = KV.second;
- checkAndSetWeakAlias(Symtab, this, Sym, Symbols[Idx]);
+ for (auto &kv : weakAliases) {
+ Symbol *sym = kv.first;
+ uint32_t idx = kv.second;
+ checkAndSetWeakAlias(symtab, this, sym, symbols[idx]);
}
}
-Symbol *ObjFile::createUndefined(COFFSymbolRef Sym) {
- StringRef Name;
- COFFObj->getSymbolName(Sym, Name);
- return Symtab->addUndefined(Name, this, Sym.isWeakExternal());
+Symbol *ObjFile::createUndefined(COFFSymbolRef sym) {
+ StringRef name;
+ coffObj->getSymbolName(sym, name);
+ return symtab->addUndefined(name, this, sym.isWeakExternal());
}
-void ObjFile::handleComdatSelection(COFFSymbolRef Sym, COMDATType &Selection,
- bool &Prevailing, DefinedRegular *Leader) {
- if (Prevailing)
+void ObjFile::handleComdatSelection(COFFSymbolRef sym, COMDATType &selection,
+ bool &prevailing, DefinedRegular *leader) {
+ if (prevailing)
return;
// There's already an existing comdat for this symbol: `Leader`.
// Use the comdats's selection field to determine if the new
// symbol in `Sym` should be discarded, produce a duplicate symbol
// error, etc.
- SectionChunk *LeaderChunk = nullptr;
- COMDATType LeaderSelection = IMAGE_COMDAT_SELECT_ANY;
+ SectionChunk *leaderChunk = nullptr;
+ COMDATType leaderSelection = IMAGE_COMDAT_SELECT_ANY;
- if (Leader->Data) {
- LeaderChunk = Leader->getChunk();
- LeaderSelection = LeaderChunk->Selection;
+ if (leader->data) {
+ leaderChunk = leader->getChunk();
+ leaderSelection = leaderChunk->selection;
} else {
// FIXME: comdats from LTO files don't know their selection; treat them
// as "any".
- Selection = LeaderSelection;
+ selection = leaderSelection;
}
- if ((Selection == IMAGE_COMDAT_SELECT_ANY &&
- LeaderSelection == IMAGE_COMDAT_SELECT_LARGEST) ||
- (Selection == IMAGE_COMDAT_SELECT_LARGEST &&
- LeaderSelection == IMAGE_COMDAT_SELECT_ANY)) {
+ if ((selection == IMAGE_COMDAT_SELECT_ANY &&
+ leaderSelection == IMAGE_COMDAT_SELECT_LARGEST) ||
+ (selection == IMAGE_COMDAT_SELECT_LARGEST &&
+ leaderSelection == IMAGE_COMDAT_SELECT_ANY)) {
// cl.exe picks "any" for vftables when building with /GR- and
// "largest" when building with /GR. To be able to link object files
// compiled with each flag, "any" and "largest" are merged as "largest".
- LeaderSelection = Selection = IMAGE_COMDAT_SELECT_LARGEST;
+ leaderSelection = selection = IMAGE_COMDAT_SELECT_LARGEST;
}
// Other than that, comdat selections must match. This is a bit more
@@ -440,18 +440,18 @@
// Making this symmetric independent of which selection is seen first
// seems better though.
// (This behavior matches ModuleLinker::getComdatResult().)
- if (Selection != LeaderSelection) {
- log(("conflicting comdat type for " + toString(*Leader) + ": " +
- Twine((int)LeaderSelection) + " in " + toString(Leader->getFile()) +
- " and " + Twine((int)Selection) + " in " + toString(this))
+ if (selection != leaderSelection) {
+ log(("conflicting comdat type for " + toString(*leader) + ": " +
+ Twine((int)leaderSelection) + " in " + toString(leader->getFile()) +
+ " and " + Twine((int)selection) + " in " + toString(this))
.str());
- Symtab->reportDuplicate(Leader, this);
+ symtab->reportDuplicate(leader, this);
return;
}
- switch (Selection) {
+ switch (selection) {
case IMAGE_COMDAT_SELECT_NODUPLICATES:
- Symtab->reportDuplicate(Leader, this);
+ symtab->reportDuplicate(leader, this);
break;
case IMAGE_COMDAT_SELECT_ANY:
@@ -459,17 +459,17 @@
break;
case IMAGE_COMDAT_SELECT_SAME_SIZE:
- if (LeaderChunk->getSize() != getSection(Sym)->SizeOfRawData)
- Symtab->reportDuplicate(Leader, this);
+ if (leaderChunk->getSize() != getSection(sym)->SizeOfRawData)
+ symtab->reportDuplicate(leader, this);
break;
case IMAGE_COMDAT_SELECT_EXACT_MATCH: {
- SectionChunk NewChunk(this, getSection(Sym));
+ SectionChunk newChunk(this, getSection(sym));
// link.exe only compares section contents here and doesn't complain
// if the two comdat sections have e.g. different alignment.
// Match that.
- if (LeaderChunk->getContents() != NewChunk.getContents())
- Symtab->reportDuplicate(Leader, this);
+ if (leaderChunk->getContents() != newChunk.getContents())
+ symtab->reportDuplicate(leader, this);
break;
}
@@ -481,20 +481,20 @@
llvm_unreachable("createDefined not called for associative comdats");
case IMAGE_COMDAT_SELECT_LARGEST:
- if (LeaderChunk->getSize() < getSection(Sym)->SizeOfRawData) {
+ if (leaderChunk->getSize() < getSection(sym)->SizeOfRawData) {
// Replace the existing comdat symbol with the new one.
- StringRef Name;
- COFFObj->getSymbolName(Sym, Name);
+ StringRef name;
+ coffObj->getSymbolName(sym, name);
// FIXME: This is incorrect: With /opt:noref, the previous sections
// make it into the final executable as well. Correct handling would
// be to undo reading of the whole old section that's being replaced,
// or doing one pass that determines what the final largest comdat
// is for all IMAGE_COMDAT_SELECT_LARGEST comdats and then reading
// only the largest one.
- replaceSymbol<DefinedRegular>(Leader, this, Name, /*IsCOMDAT*/ true,
- /*IsExternal*/ true, Sym.getGeneric(),
+ replaceSymbol<DefinedRegular>(leader, this, name, /*IsCOMDAT*/ true,
+ /*IsExternal*/ true, sym.getGeneric(),
nullptr);
- Prevailing = true;
+ prevailing = true;
}
break;
@@ -504,50 +504,50 @@
}
Optional<Symbol *> ObjFile::createDefined(
- COFFSymbolRef Sym,
- std::vector<const coff_aux_section_definition *> &ComdatDefs,
- bool &Prevailing) {
- Prevailing = false;
- auto GetName = [&]() {
- StringRef S;
- COFFObj->getSymbolName(Sym, S);
- return S;
+ COFFSymbolRef sym,
+ std::vector<const coff_aux_section_definition *> &comdatDefs,
+ bool &prevailing) {
+ prevailing = false;
+ auto getName = [&]() {
+ StringRef s;
+ coffObj->getSymbolName(sym, s);
+ return s;
};
- if (Sym.isCommon()) {
- auto *C = make<CommonChunk>(Sym);
- Chunks.push_back(C);
- return Symtab->addCommon(this, GetName(), Sym.getValue(), Sym.getGeneric(),
- C);
+ if (sym.isCommon()) {
+ auto *c = make<CommonChunk>(sym);
+ chunks.push_back(c);
+ return symtab->addCommon(this, getName(), sym.getValue(), sym.getGeneric(),
+ c);
}
- if (Sym.isAbsolute()) {
- StringRef Name = GetName();
+ if (sym.isAbsolute()) {
+ StringRef name = getName();
// Skip special symbols.
- if (Name == "@comp.id")
+ if (name == "@comp.id")
return nullptr;
- if (Name == "@feat.00") {
- Feat00Flags = Sym.getValue();
+ if (name == "@feat.00") {
+ feat00Flags = sym.getValue();
return nullptr;
}
- if (Sym.isExternal())
- return Symtab->addAbsolute(Name, Sym);
- return make<DefinedAbsolute>(Name, Sym);
+ if (sym.isExternal())
+ return symtab->addAbsolute(name, sym);
+ return make<DefinedAbsolute>(name, sym);
}
- int32_t SectionNumber = Sym.getSectionNumber();
- if (SectionNumber == llvm::COFF::IMAGE_SYM_DEBUG)
+ int32_t sectionNumber = sym.getSectionNumber();
+ if (sectionNumber == llvm::COFF::IMAGE_SYM_DEBUG)
return nullptr;
- if (llvm::COFF::isReservedSectionNumber(SectionNumber))
- fatal(toString(this) + ": " + GetName() +
- " should not refer to special section " + Twine(SectionNumber));
+ if (llvm::COFF::isReservedSectionNumber(sectionNumber))
+ fatal(toString(this) + ": " + getName() +
+ " should not refer to special section " + Twine(sectionNumber));
- if ((uint32_t)SectionNumber >= SparseChunks.size())
- fatal(toString(this) + ": " + GetName() +
- " should not refer to non-existent section " + Twine(SectionNumber));
+ if ((uint32_t)sectionNumber >= sparseChunks.size())
+ fatal(toString(this) + ": " + getName() +
+ " should not refer to non-existent section " + Twine(sectionNumber));
// Comdat handling.
// A comdat symbol consists of two symbol table entries.
@@ -560,65 +560,65 @@
// symbol entry it reads ComdatDefs and then sets it back to nullptr.
// Handle comdat leader.
- if (const coff_aux_section_definition *Def = ComdatDefs[SectionNumber]) {
- ComdatDefs[SectionNumber] = nullptr;
- DefinedRegular *Leader;
+ if (const coff_aux_section_definition *def = comdatDefs[sectionNumber]) {
+ comdatDefs[sectionNumber] = nullptr;
+ DefinedRegular *leader;
- if (Sym.isExternal()) {
- std::tie(Leader, Prevailing) =
- Symtab->addComdat(this, GetName(), Sym.getGeneric());
+ if (sym.isExternal()) {
+ std::tie(leader, prevailing) =
+ symtab->addComdat(this, getName(), sym.getGeneric());
} else {
- Leader = make<DefinedRegular>(this, /*Name*/ "", /*IsCOMDAT*/ false,
- /*IsExternal*/ false, Sym.getGeneric());
- Prevailing = true;
+ leader = make<DefinedRegular>(this, /*Name*/ "", /*IsCOMDAT*/ false,
+ /*IsExternal*/ false, sym.getGeneric());
+ prevailing = true;
}
- if (Def->Selection < (int)IMAGE_COMDAT_SELECT_NODUPLICATES ||
+ if (def->Selection < (int)IMAGE_COMDAT_SELECT_NODUPLICATES ||
// Intentionally ends at IMAGE_COMDAT_SELECT_LARGEST: link.exe
// doesn't understand IMAGE_COMDAT_SELECT_NEWEST either.
- Def->Selection > (int)IMAGE_COMDAT_SELECT_LARGEST) {
- fatal("unknown comdat type " + std::to_string((int)Def->Selection) +
- " for " + GetName() + " in " + toString(this));
+ def->Selection > (int)IMAGE_COMDAT_SELECT_LARGEST) {
+ fatal("unknown comdat type " + std::to_string((int)def->Selection) +
+ " for " + getName() + " in " + toString(this));
}
- COMDATType Selection = (COMDATType)Def->Selection;
+ COMDATType selection = (COMDATType)def->Selection;
- if (Leader->IsCOMDAT)
- handleComdatSelection(Sym, Selection, Prevailing, Leader);
+ if (leader->isCOMDAT)
+ handleComdatSelection(sym, selection, prevailing, leader);
- if (Prevailing) {
- SectionChunk *C = readSection(SectionNumber, Def, GetName());
- SparseChunks[SectionNumber] = C;
- C->Sym = cast<DefinedRegular>(Leader);
- C->Selection = Selection;
- cast<DefinedRegular>(Leader)->Data = &C->Repl;
+ if (prevailing) {
+ SectionChunk *c = readSection(sectionNumber, def, getName());
+ sparseChunks[sectionNumber] = c;
+ c->sym = cast<DefinedRegular>(leader);
+ c->selection = selection;
+ cast<DefinedRegular>(leader)->data = &c->repl;
} else {
- SparseChunks[SectionNumber] = nullptr;
+ sparseChunks[sectionNumber] = nullptr;
}
- return Leader;
+ return leader;
}
// Prepare to handle the comdat leader symbol by setting the section's
// ComdatDefs pointer if we encounter a non-associative comdat.
- if (SparseChunks[SectionNumber] == PendingComdat) {
- if (const coff_aux_section_definition *Def = Sym.getSectionDefinition()) {
- if (Def->Selection != IMAGE_COMDAT_SELECT_ASSOCIATIVE)
- ComdatDefs[SectionNumber] = Def;
+ if (sparseChunks[sectionNumber] == pendingComdat) {
+ if (const coff_aux_section_definition *def = sym.getSectionDefinition()) {
+ if (def->Selection != IMAGE_COMDAT_SELECT_ASSOCIATIVE)
+ comdatDefs[sectionNumber] = def;
}
return None;
}
- return createRegular(Sym);
+ return createRegular(sym);
}
MachineTypes ObjFile::getMachineType() {
- if (COFFObj)
- return static_cast<MachineTypes>(COFFObj->getMachine());
+ if (coffObj)
+ return static_cast<MachineTypes>(coffObj->getMachine());
return IMAGE_FILE_MACHINE_UNKNOWN;
}
-ArrayRef<uint8_t> ObjFile::getDebugSection(StringRef SecName) {
- if (SectionChunk *Sec = SectionChunk::findByName(DebugChunks, SecName))
- return Sec->consumeDebugMagic();
+ArrayRef<uint8_t> ObjFile::getDebugSection(StringRef secName) {
+ if (SectionChunk *sec = SectionChunk::findByName(debugChunks, secName))
+ return sec->consumeDebugMagic();
return {};
}
@@ -628,43 +628,43 @@
// PCHSignature member. S_COMPILE3 stores compile-time cmd-line flags. This is
// currently used to initialize the HotPatchable member.
void ObjFile::initializeFlags() {
- ArrayRef<uint8_t> Data = getDebugSection(".debug$S");
- if (Data.empty())
+ ArrayRef<uint8_t> data = getDebugSection(".debug$S");
+ if (data.empty())
return;
- DebugSubsectionArray Subsections;
+ DebugSubsectionArray subsections;
- BinaryStreamReader Reader(Data, support::little);
- ExitOnError ExitOnErr;
- ExitOnErr(Reader.readArray(Subsections, Data.size()));
+ BinaryStreamReader reader(data, support::little);
+ ExitOnError exitOnErr;
+ exitOnErr(reader.readArray(subsections, data.size()));
- for (const DebugSubsectionRecord &SS : Subsections) {
- if (SS.kind() != DebugSubsectionKind::Symbols)
+ for (const DebugSubsectionRecord &ss : subsections) {
+ if (ss.kind() != DebugSubsectionKind::Symbols)
continue;
- unsigned Offset = 0;
+ unsigned offset = 0;
// Only parse the first two records. We are only looking for S_OBJNAME
// and S_COMPILE3, and they usually appear at the beginning of the
// stream.
- for (unsigned I = 0; I < 2; ++I) {
- Expected<CVSymbol> Sym = readSymbolFromStream(SS.getRecordData(), Offset);
- if (!Sym) {
- consumeError(Sym.takeError());
+ for (unsigned i = 0; i < 2; ++i) {
+ Expected<CVSymbol> sym = readSymbolFromStream(ss.getRecordData(), offset);
+ if (!sym) {
+ consumeError(sym.takeError());
return;
}
- if (Sym->kind() == SymbolKind::S_COMPILE3) {
- auto CS =
- cantFail(SymbolDeserializer::deserializeAs<Compile3Sym>(Sym.get()));
- HotPatchable =
- (CS.Flags & CompileSym3Flags::HotPatch) != CompileSym3Flags::None;
+ if (sym->kind() == SymbolKind::S_COMPILE3) {
+ auto cs =
+ cantFail(SymbolDeserializer::deserializeAs<Compile3Sym>(sym.get()));
+ hotPatchable =
+ (cs.Flags & CompileSym3Flags::HotPatch) != CompileSym3Flags::None;
}
- if (Sym->kind() == SymbolKind::S_OBJNAME) {
- auto ObjName = cantFail(SymbolDeserializer::deserializeAs<ObjNameSym>(
- Sym.get()));
- PCHSignature = ObjName.Signature;
+ if (sym->kind() == SymbolKind::S_OBJNAME) {
+ auto objName = cantFail(SymbolDeserializer::deserializeAs<ObjNameSym>(
+ sym.get()));
+ pchSignature = objName.Signature;
}
- Offset += Sym->length();
+ offset += sym->length();
}
}
}
@@ -677,112 +677,112 @@
// DebugTypes.h). Both cases only happen with cl.exe: clang-cl produces regular
// output even with /Yc and /Yu and with /Zi.
void ObjFile::initializeDependencies() {
- if (!Config->Debug)
+ if (!config->debug)
return;
- bool IsPCH = false;
+ bool isPCH = false;
- ArrayRef<uint8_t> Data = getDebugSection(".debug$P");
- if (!Data.empty())
- IsPCH = true;
+ ArrayRef<uint8_t> data = getDebugSection(".debug$P");
+ if (!data.empty())
+ isPCH = true;
else
- Data = getDebugSection(".debug$T");
+ data = getDebugSection(".debug$T");
- if (Data.empty())
+ if (data.empty())
return;
- CVTypeArray Types;
- BinaryStreamReader Reader(Data, support::little);
- cantFail(Reader.readArray(Types, Reader.getLength()));
+ CVTypeArray types;
+ BinaryStreamReader reader(data, support::little);
+ cantFail(reader.readArray(types, reader.getLength()));
- CVTypeArray::Iterator FirstType = Types.begin();
- if (FirstType == Types.end())
+ CVTypeArray::Iterator firstType = types.begin();
+ if (firstType == types.end())
return;
- DebugTypes.emplace(Types);
+ debugTypes.emplace(types);
- if (IsPCH) {
- DebugTypesObj = makePrecompSource(this);
+ if (isPCH) {
+ debugTypesObj = makePrecompSource(this);
return;
}
- if (FirstType->kind() == LF_TYPESERVER2) {
- TypeServer2Record TS = cantFail(
- TypeDeserializer::deserializeAs<TypeServer2Record>(FirstType->data()));
- DebugTypesObj = makeUseTypeServerSource(this, &TS);
+ if (firstType->kind() == LF_TYPESERVER2) {
+ TypeServer2Record ts = cantFail(
+ TypeDeserializer::deserializeAs<TypeServer2Record>(firstType->data()));
+ debugTypesObj = makeUseTypeServerSource(this, &ts);
return;
}
- if (FirstType->kind() == LF_PRECOMP) {
- PrecompRecord Precomp = cantFail(
- TypeDeserializer::deserializeAs<PrecompRecord>(FirstType->data()));
- DebugTypesObj = makeUsePrecompSource(this, &Precomp);
+ if (firstType->kind() == LF_PRECOMP) {
+ PrecompRecord precomp = cantFail(
+ TypeDeserializer::deserializeAs<PrecompRecord>(firstType->data()));
+ debugTypesObj = makeUsePrecompSource(this, &precomp);
return;
}
- DebugTypesObj = makeTpiSource(this);
+ debugTypesObj = makeTpiSource(this);
}
-StringRef ltrim1(StringRef S, const char *Chars) {
- if (!S.empty() && strchr(Chars, S[0]))
- return S.substr(1);
- return S;
+StringRef ltrim1(StringRef s, const char *chars) {
+ if (!s.empty() && strchr(chars, s[0]))
+ return s.substr(1);
+ return s;
}
void ImportFile::parse() {
- const char *Buf = MB.getBufferStart();
- const auto *Hdr = reinterpret_cast<const coff_import_header *>(Buf);
+ const char *buf = mb.getBufferStart();
+ const auto *hdr = reinterpret_cast<const coff_import_header *>(buf);
// Check if the total size is valid.
- if (MB.getBufferSize() != sizeof(*Hdr) + Hdr->SizeOfData)
+ if (mb.getBufferSize() != sizeof(*hdr) + hdr->SizeOfData)
fatal("broken import library");
// Read names and create an __imp_ symbol.
- StringRef Name = Saver.save(StringRef(Buf + sizeof(*Hdr)));
- StringRef ImpName = Saver.save("__imp_" + Name);
- const char *NameStart = Buf + sizeof(coff_import_header) + Name.size() + 1;
- DLLName = StringRef(NameStart);
- StringRef ExtName;
- switch (Hdr->getNameType()) {
+ StringRef name = saver.save(StringRef(buf + sizeof(*hdr)));
+ StringRef impName = saver.save("__imp_" + name);
+ const char *nameStart = buf + sizeof(coff_import_header) + name.size() + 1;
+ dllName = StringRef(nameStart);
+ StringRef extName;
+ switch (hdr->getNameType()) {
case IMPORT_ORDINAL:
- ExtName = "";
+ extName = "";
break;
case IMPORT_NAME:
- ExtName = Name;
+ extName = name;
break;
case IMPORT_NAME_NOPREFIX:
- ExtName = ltrim1(Name, "?@_");
+ extName = ltrim1(name, "?@_");
break;
case IMPORT_NAME_UNDECORATE:
- ExtName = ltrim1(Name, "?@_");
- ExtName = ExtName.substr(0, ExtName.find('@'));
+ extName = ltrim1(name, "?@_");
+ extName = extName.substr(0, extName.find('@'));
break;
}
- this->Hdr = Hdr;
- ExternalName = ExtName;
+ this->hdr = hdr;
+ externalName = extName;
- ImpSym = Symtab->addImportData(ImpName, this);
+ impSym = symtab->addImportData(impName, this);
// If this was a duplicate, we logged an error but may continue;
// in this case, ImpSym is nullptr.
- if (!ImpSym)
+ if (!impSym)
return;
- if (Hdr->getType() == llvm::COFF::IMPORT_CONST)
- static_cast<void>(Symtab->addImportData(Name, this));
+ if (hdr->getType() == llvm::COFF::IMPORT_CONST)
+ static_cast<void>(symtab->addImportData(name, this));
// If type is function, we need to create a thunk which jump to an
// address pointed by the __imp_ symbol. (This allows you to call
// DLL functions just like regular non-DLL functions.)
- if (Hdr->getType() == llvm::COFF::IMPORT_CODE)
- ThunkSym = Symtab->addImportThunk(
- Name, cast_or_null<DefinedImportData>(ImpSym), Hdr->Machine);
+ if (hdr->getType() == llvm::COFF::IMPORT_CODE)
+ thunkSym = symtab->addImportThunk(
+ name, cast_or_null<DefinedImportData>(impSym), hdr->Machine);
}
-BitcodeFile::BitcodeFile(MemoryBufferRef MB, StringRef ArchiveName,
- uint64_t OffsetInArchive)
- : InputFile(BitcodeKind, MB) {
- std::string Path = MB.getBufferIdentifier().str();
+BitcodeFile::BitcodeFile(MemoryBufferRef mb, StringRef archiveName,
+ uint64_t offsetInArchive)
+ : InputFile(BitcodeKind, mb) {
+ std::string path = mb.getBufferIdentifier().str();
// ThinLTO assumes that all MemoryBufferRefs given to it have a unique
// name. If two archives define two members with the same name, this
@@ -790,53 +790,53 @@
// into consideration at LTO time (which very likely causes undefined
// symbols later in the link stage). So we append file offset to make
// filename unique.
- MemoryBufferRef MBRef(
- MB.getBuffer(),
- Saver.save(ArchiveName + Path +
- (ArchiveName.empty() ? "" : utostr(OffsetInArchive))));
+ MemoryBufferRef mbref(
+ mb.getBuffer(),
+ saver.save(archiveName + path +
+ (archiveName.empty() ? "" : utostr(offsetInArchive))));
- Obj = check(lto::InputFile::create(MBRef));
+ obj = check(lto::InputFile::create(mbref));
}
void BitcodeFile::parse() {
- std::vector<std::pair<Symbol *, bool>> Comdat(Obj->getComdatTable().size());
- for (size_t I = 0; I != Obj->getComdatTable().size(); ++I)
+ std::vector<std::pair<Symbol *, bool>> comdat(obj->getComdatTable().size());
+ for (size_t i = 0; i != obj->getComdatTable().size(); ++i)
// FIXME: lto::InputFile doesn't keep enough data to do correct comdat
// selection handling.
- Comdat[I] = Symtab->addComdat(this, Saver.save(Obj->getComdatTable()[I]));
- for (const lto::InputFile::Symbol &ObjSym : Obj->symbols()) {
- StringRef SymName = Saver.save(ObjSym.getName());
- int ComdatIndex = ObjSym.getComdatIndex();
- Symbol *Sym;
- if (ObjSym.isUndefined()) {
- Sym = Symtab->addUndefined(SymName, this, false);
- } else if (ObjSym.isCommon()) {
- Sym = Symtab->addCommon(this, SymName, ObjSym.getCommonSize());
- } else if (ObjSym.isWeak() && ObjSym.isIndirect()) {
+ comdat[i] = symtab->addComdat(this, saver.save(obj->getComdatTable()[i]));
+ for (const lto::InputFile::Symbol &objSym : obj->symbols()) {
+ StringRef symName = saver.save(objSym.getName());
+ int comdatIndex = objSym.getComdatIndex();
+ Symbol *sym;
+ if (objSym.isUndefined()) {
+ sym = symtab->addUndefined(symName, this, false);
+ } else if (objSym.isCommon()) {
+ sym = symtab->addCommon(this, symName, objSym.getCommonSize());
+ } else if (objSym.isWeak() && objSym.isIndirect()) {
// Weak external.
- Sym = Symtab->addUndefined(SymName, this, true);
- std::string Fallback = ObjSym.getCOFFWeakExternalFallback();
- Symbol *Alias = Symtab->addUndefined(Saver.save(Fallback));
- checkAndSetWeakAlias(Symtab, this, Sym, Alias);
- } else if (ComdatIndex != -1) {
- if (SymName == Obj->getComdatTable()[ComdatIndex])
- Sym = Comdat[ComdatIndex].first;
- else if (Comdat[ComdatIndex].second)
- Sym = Symtab->addRegular(this, SymName);
+ sym = symtab->addUndefined(symName, this, true);
+ std::string fallback = objSym.getCOFFWeakExternalFallback();
+ Symbol *alias = symtab->addUndefined(saver.save(fallback));
+ checkAndSetWeakAlias(symtab, this, sym, alias);
+ } else if (comdatIndex != -1) {
+ if (symName == obj->getComdatTable()[comdatIndex])
+ sym = comdat[comdatIndex].first;
+ else if (comdat[comdatIndex].second)
+ sym = symtab->addRegular(this, symName);
else
- Sym = Symtab->addUndefined(SymName, this, false);
+ sym = symtab->addUndefined(symName, this, false);
} else {
- Sym = Symtab->addRegular(this, SymName);
+ sym = symtab->addRegular(this, symName);
}
- Symbols.push_back(Sym);
- if (ObjSym.isUsed())
- Config->GCRoot.push_back(Sym);
+ symbols.push_back(sym);
+ if (objSym.isUsed())
+ config->gCRoot.push_back(sym);
}
- Directives = Obj->getCOFFLinkerOpts();
+ directives = obj->getCOFFLinkerOpts();
}
MachineTypes BitcodeFile::getMachineType() {
- switch (Triple(Obj->getTargetTriple()).getArch()) {
+ switch (Triple(obj->getTargetTriple()).getArch()) {
case Triple::x86_64:
return AMD64;
case Triple::x86:
@@ -853,18 +853,18 @@
} // namespace lld
// Returns the last element of a path, which is supposed to be a filename.
-static StringRef getBasename(StringRef Path) {
- return sys::path::filename(Path, sys::path::Style::windows);
+static StringRef getBasename(StringRef path) {
+ return sys::path::filename(path, sys::path::Style::windows);
}
// Returns a string in the format of "foo.obj" or "foo.obj(bar.lib)".
-std::string lld::toString(const coff::InputFile *File) {
- if (!File)
+std::string lld::toString(const coff::InputFile *file) {
+ if (!file)
return "<internal>";
- if (File->ParentName.empty() || File->kind() == coff::InputFile::ImportKind)
- return File->getName();
+ if (file->parentName.empty() || file->kind() == coff::InputFile::ImportKind)
+ return file->getName();
- return (getBasename(File->ParentName) + "(" + getBasename(File->getName()) +
+ return (getBasename(file->parentName) + "(" + getBasename(file->getName()) +
")")
.str();
}
diff --git a/lld/COFF/InputFiles.h b/lld/COFF/InputFiles.h
index 22017f7..bd2698f 100644
--- a/lld/COFF/InputFiles.h
+++ b/lld/COFF/InputFiles.h
@@ -32,7 +32,7 @@
namespace lld {
namespace coff {
-std::vector<MemoryBufferRef> getArchiveMembers(llvm::object::Archive *File);
+std::vector<MemoryBufferRef> getArchiveMembers(llvm::object::Archive *file);
using llvm::COFF::IMAGE_FILE_MACHINE_UNKNOWN;
using llvm::COFF::MachineTypes;
@@ -57,11 +57,11 @@
class InputFile {
public:
enum Kind { ArchiveKind, ObjectKind, ImportKind, BitcodeKind };
- Kind kind() const { return FileKind; }
+ Kind kind() const { return fileKind; }
virtual ~InputFile() {}
// Returns the filename.
- StringRef getName() const { return MB.getBufferIdentifier(); }
+ StringRef getName() const { return mb.getBufferIdentifier(); }
// Reads a file (the constructor doesn't do that).
virtual void parse() = 0;
@@ -69,118 +69,118 @@
// Returns the CPU type this file was compiled to.
virtual MachineTypes getMachineType() { return IMAGE_FILE_MACHINE_UNKNOWN; }
- MemoryBufferRef MB;
+ MemoryBufferRef mb;
// An archive file name if this file is created from an archive.
- StringRef ParentName;
+ StringRef parentName;
// Returns .drectve section contents if exist.
- StringRef getDirectives() { return Directives; }
+ StringRef getDirectives() { return directives; }
protected:
- InputFile(Kind K, MemoryBufferRef M) : MB(M), FileKind(K) {}
+ InputFile(Kind k, MemoryBufferRef m) : mb(m), fileKind(k) {}
- StringRef Directives;
+ StringRef directives;
private:
- const Kind FileKind;
+ const Kind fileKind;
};
// .lib or .a file.
class ArchiveFile : public InputFile {
public:
- explicit ArchiveFile(MemoryBufferRef M);
- static bool classof(const InputFile *F) { return F->kind() == ArchiveKind; }
+ explicit ArchiveFile(MemoryBufferRef m);
+ static bool classof(const InputFile *f) { return f->kind() == ArchiveKind; }
void parse() override;
// Enqueues an archive member load for the given symbol. If we've already
// enqueued a load for the same archive member, this function does nothing,
// which ensures that we don't load the same member more than once.
- void addMember(const Archive::Symbol *Sym);
+ void addMember(const Archive::Symbol *sym);
private:
- std::unique_ptr<Archive> File;
- llvm::DenseSet<uint64_t> Seen;
+ std::unique_ptr<Archive> file;
+ llvm::DenseSet<uint64_t> seen;
};
// .obj or .o file. This may be a member of an archive file.
class ObjFile : public InputFile {
public:
- explicit ObjFile(MemoryBufferRef M) : InputFile(ObjectKind, M) {}
- static bool classof(const InputFile *F) { return F->kind() == ObjectKind; }
+ explicit ObjFile(MemoryBufferRef m) : InputFile(ObjectKind, m) {}
+ static bool classof(const InputFile *f) { return f->kind() == ObjectKind; }
void parse() override;
MachineTypes getMachineType() override;
- ArrayRef<Chunk *> getChunks() { return Chunks; }
- ArrayRef<SectionChunk *> getDebugChunks() { return DebugChunks; }
- ArrayRef<SectionChunk *> getSXDataChunks() { return SXDataChunks; }
- ArrayRef<SectionChunk *> getGuardFidChunks() { return GuardFidChunks; }
- ArrayRef<SectionChunk *> getGuardLJmpChunks() { return GuardLJmpChunks; }
- ArrayRef<Symbol *> getSymbols() { return Symbols; }
+ ArrayRef<Chunk *> getChunks() { return chunks; }
+ ArrayRef<SectionChunk *> getDebugChunks() { return debugChunks; }
+ ArrayRef<SectionChunk *> getSXDataChunks() { return sXDataChunks; }
+ ArrayRef<SectionChunk *> getGuardFidChunks() { return guardFidChunks; }
+ ArrayRef<SectionChunk *> getGuardLJmpChunks() { return guardLJmpChunks; }
+ ArrayRef<Symbol *> getSymbols() { return symbols; }
- ArrayRef<uint8_t> getDebugSection(StringRef SecName);
+ ArrayRef<uint8_t> getDebugSection(StringRef secName);
// Returns a Symbol object for the SymbolIndex'th symbol in the
// underlying object file.
- Symbol *getSymbol(uint32_t SymbolIndex) {
- return Symbols[SymbolIndex];
+ Symbol *getSymbol(uint32_t symbolIndex) {
+ return symbols[symbolIndex];
}
// Returns the underlying COFF file.
- COFFObjectFile *getCOFFObj() { return COFFObj.get(); }
+ COFFObjectFile *getCOFFObj() { return coffObj.get(); }
// Add a symbol for a range extension thunk. Return the new symbol table
// index. This index can be used to modify a relocation.
- uint32_t addRangeThunkSymbol(Symbol *Thunk) {
- Symbols.push_back(Thunk);
- return Symbols.size() - 1;
+ uint32_t addRangeThunkSymbol(Symbol *thunk) {
+ symbols.push_back(thunk);
+ return symbols.size() - 1;
}
- static std::vector<ObjFile *> Instances;
+ static std::vector<ObjFile *> instances;
// Flags in the absolute @feat.00 symbol if it is present. These usually
// indicate if an object was compiled with certain security features enabled
// like stack guard, safeseh, /guard:cf, or other things.
- uint32_t Feat00Flags = 0;
+ uint32_t feat00Flags = 0;
// True if this object file is compatible with SEH. COFF-specific and
// x86-only. COFF spec 5.10.1. The .sxdata section.
- bool hasSafeSEH() { return Feat00Flags & 0x1; }
+ bool hasSafeSEH() { return feat00Flags & 0x1; }
// True if this file was compiled with /guard:cf.
- bool hasGuardCF() { return Feat00Flags & 0x800; }
+ bool hasGuardCF() { return feat00Flags & 0x800; }
// Pointer to the PDB module descriptor builder. Various debug info records
// will reference object files by "module index", which is here. Things like
// source files and section contributions are also recorded here. Will be null
// if we are not producing a PDB.
- llvm::pdb::DbiModuleDescriptorBuilder *ModuleDBI = nullptr;
+ llvm::pdb::DbiModuleDescriptorBuilder *moduleDBI = nullptr;
- const coff_section *AddrsigSec = nullptr;
+ const coff_section *addrsigSec = nullptr;
// When using Microsoft precompiled headers, this is the PCH's key.
// The same key is used by both the precompiled object, and objects using the
// precompiled object. Any difference indicates out-of-date objects.
- llvm::Optional<uint32_t> PCHSignature;
+ llvm::Optional<uint32_t> pchSignature;
// Whether this is an object file created from .res files.
- bool IsResourceObjFile = false;
+ bool isResourceObjFile = false;
// Whether this file was compiled with /hotpatch.
- bool HotPatchable = false;
+ bool hotPatchable = false;
// Whether the object was already merged into the final PDB.
- bool MergedIntoPDB = false;
+ bool mergedIntoPDB = false;
// If the OBJ has a .debug$T stream, this tells how it will be handled.
- TpiSource *DebugTypesObj = nullptr;
+ TpiSource *debugTypesObj = nullptr;
// The .debug$T stream if there's one.
- llvm::Optional<llvm::codeview::CVTypeArray> DebugTypes;
+ llvm::Optional<llvm::codeview::CVTypeArray> debugTypes;
private:
- const coff_section* getSection(uint32_t I);
- const coff_section *getSection(COFFSymbolRef Sym) {
- return getSection(Sym.getSectionNumber());
+ const coff_section* getSection(uint32_t i);
+ const coff_section *getSection(COFFSymbolRef sym) {
+ return getSection(sym.getSectionNumber());
}
void initializeChunks();
@@ -189,26 +189,26 @@
void initializeDependencies();
SectionChunk *
- readSection(uint32_t SectionNumber,
- const llvm::object::coff_aux_section_definition *Def,
- StringRef LeaderName);
+ readSection(uint32_t sectionNumber,
+ const llvm::object::coff_aux_section_definition *def,
+ StringRef leaderName);
void readAssociativeDefinition(
- COFFSymbolRef COFFSym,
- const llvm::object::coff_aux_section_definition *Def);
+ COFFSymbolRef coffSym,
+ const llvm::object::coff_aux_section_definition *def);
void readAssociativeDefinition(
- COFFSymbolRef COFFSym,
- const llvm::object::coff_aux_section_definition *Def,
- uint32_t ParentSection);
+ COFFSymbolRef coffSym,
+ const llvm::object::coff_aux_section_definition *def,
+ uint32_t parentSection);
void recordPrevailingSymbolForMingw(
- COFFSymbolRef COFFSym,
- llvm::DenseMap<StringRef, uint32_t> &PrevailingSectionMap);
+ COFFSymbolRef coffSym,
+ llvm::DenseMap<StringRef, uint32_t> &prevailingSectionMap);
void maybeAssociateSEHForMingw(
- COFFSymbolRef Sym, const llvm::object::coff_aux_section_definition *Def,
- const llvm::DenseMap<StringRef, uint32_t> &PrevailingSectionMap);
+ COFFSymbolRef sym, const llvm::object::coff_aux_section_definition *def,
+ const llvm::DenseMap<StringRef, uint32_t> &prevailingSectionMap);
// Given a new symbol Sym with comdat selection Selection, if the new
// symbol is not (yet) Prevailing and the existing comdat leader set to
@@ -216,48 +216,48 @@
// match the existing symbol and its selection. If either old or new
// symbol have selection IMAGE_COMDAT_SELECT_LARGEST, Sym might replace
// the existing leader. In that case, Prevailing is set to true.
- void handleComdatSelection(COFFSymbolRef Sym,
- llvm::COFF::COMDATType &Selection,
- bool &Prevailing, DefinedRegular *Leader);
+ void handleComdatSelection(COFFSymbolRef sym,
+ llvm::COFF::COMDATType &selection,
+ bool &prevailing, DefinedRegular *leader);
llvm::Optional<Symbol *>
- createDefined(COFFSymbolRef Sym,
+ createDefined(COFFSymbolRef sym,
std::vector<const llvm::object::coff_aux_section_definition *>
- &ComdatDefs,
- bool &PrevailingComdat);
- Symbol *createRegular(COFFSymbolRef Sym);
- Symbol *createUndefined(COFFSymbolRef Sym);
+ &comdatDefs,
+ bool &prevailingComdat);
+ Symbol *createRegular(COFFSymbolRef sym);
+ Symbol *createUndefined(COFFSymbolRef sym);
- std::unique_ptr<COFFObjectFile> COFFObj;
+ std::unique_ptr<COFFObjectFile> coffObj;
// List of all chunks defined by this file. This includes both section
// chunks and non-section chunks for common symbols.
- std::vector<Chunk *> Chunks;
+ std::vector<Chunk *> chunks;
// CodeView debug info sections.
- std::vector<SectionChunk *> DebugChunks;
+ std::vector<SectionChunk *> debugChunks;
// Chunks containing symbol table indices of exception handlers. Only used for
// 32-bit x86.
- std::vector<SectionChunk *> SXDataChunks;
+ std::vector<SectionChunk *> sXDataChunks;
// Chunks containing symbol table indices of address taken symbols and longjmp
// targets. These are not linked into the final binary when /guard:cf is set.
- std::vector<SectionChunk *> GuardFidChunks;
- std::vector<SectionChunk *> GuardLJmpChunks;
+ std::vector<SectionChunk *> guardFidChunks;
+ std::vector<SectionChunk *> guardLJmpChunks;
// This vector contains the same chunks as Chunks, but they are
// indexed such that you can get a SectionChunk by section index.
// Nonexistent section indices are filled with null pointers.
// (Because section number is 1-based, the first slot is always a
// null pointer.)
- std::vector<SectionChunk *> SparseChunks;
+ std::vector<SectionChunk *> sparseChunks;
// This vector contains a list of all symbols defined or referenced by this
// file. They are indexed such that you can get a Symbol by symbol
// index. Nonexistent indices (which are occupied by auxiliary
// symbols in the real symbol table) are filled with null pointers.
- std::vector<Symbol *> Symbols;
+ std::vector<Symbol *> symbols;
};
// This type represents import library members that contain DLL names
@@ -265,23 +265,23 @@
// for details about the format.
class ImportFile : public InputFile {
public:
- explicit ImportFile(MemoryBufferRef M) : InputFile(ImportKind, M) {}
+ explicit ImportFile(MemoryBufferRef m) : InputFile(ImportKind, m) {}
- static bool classof(const InputFile *F) { return F->kind() == ImportKind; }
+ static bool classof(const InputFile *f) { return f->kind() == ImportKind; }
- static std::vector<ImportFile *> Instances;
+ static std::vector<ImportFile *> instances;
- Symbol *ImpSym = nullptr;
- Symbol *ThunkSym = nullptr;
- std::string DLLName;
+ Symbol *impSym = nullptr;
+ Symbol *thunkSym = nullptr;
+ std::string dllName;
private:
void parse() override;
public:
- StringRef ExternalName;
- const coff_import_header *Hdr;
- Chunk *Location = nullptr;
+ StringRef externalName;
+ const coff_import_header *hdr;
+ Chunk *location = nullptr;
// We want to eliminate dllimported symbols if no one actually refers them.
// These "Live" bits are used to keep track of which import library members
@@ -291,29 +291,29 @@
// symbols provided by this import library member. We also track whether the
// imported symbol is used separately from whether the thunk is used in order
// to avoid creating unnecessary thunks.
- bool Live = !Config->DoGC;
- bool ThunkLive = !Config->DoGC;
+ bool live = !config->doGC;
+ bool thunkLive = !config->doGC;
};
// Used for LTO.
class BitcodeFile : public InputFile {
public:
- BitcodeFile(MemoryBufferRef MB, StringRef ArchiveName,
- uint64_t OffsetInArchive);
- static bool classof(const InputFile *F) { return F->kind() == BitcodeKind; }
- ArrayRef<Symbol *> getSymbols() { return Symbols; }
+ BitcodeFile(MemoryBufferRef mb, StringRef archiveName,
+ uint64_t offsetInArchive);
+ static bool classof(const InputFile *f) { return f->kind() == BitcodeKind; }
+ ArrayRef<Symbol *> getSymbols() { return symbols; }
MachineTypes getMachineType() override;
- static std::vector<BitcodeFile *> Instances;
- std::unique_ptr<llvm::lto::InputFile> Obj;
+ static std::vector<BitcodeFile *> instances;
+ std::unique_ptr<llvm::lto::InputFile> obj;
private:
void parse() override;
- std::vector<Symbol *> Symbols;
+ std::vector<Symbol *> symbols;
};
} // namespace coff
-std::string toString(const coff::InputFile *File);
+std::string toString(const coff::InputFile *file);
} // namespace lld
#endif
diff --git a/lld/COFF/LTO.cpp b/lld/COFF/LTO.cpp
index bfbfc24..86ec1ef 100644
--- a/lld/COFF/LTO.cpp
+++ b/lld/COFF/LTO.cpp
@@ -42,112 +42,112 @@
using namespace lld::coff;
static std::unique_ptr<lto::LTO> createLTO() {
- lto::Config C;
- C.Options = initTargetOptionsFromCodeGenFlags();
+ lto::Config c;
+ c.Options = initTargetOptionsFromCodeGenFlags();
// Always emit a section per function/datum with LTO. LLVM LTO should get most
// of the benefit of linker GC, but there are still opportunities for ICF.
- C.Options.FunctionSections = true;
- C.Options.DataSections = true;
+ c.Options.FunctionSections = true;
+ c.Options.DataSections = true;
// Use static reloc model on 32-bit x86 because it usually results in more
// compact code, and because there are also known code generation bugs when
// using the PIC model (see PR34306).
- if (Config->Machine == COFF::IMAGE_FILE_MACHINE_I386)
- C.RelocModel = Reloc::Static;
+ if (config->machine == COFF::IMAGE_FILE_MACHINE_I386)
+ c.RelocModel = Reloc::Static;
else
- C.RelocModel = Reloc::PIC_;
- C.DisableVerify = true;
- C.DiagHandler = diagnosticHandler;
- C.OptLevel = Config->LTOO;
- C.CPU = getCPUStr();
- C.MAttrs = getMAttrs();
- C.CGOptLevel = args::getCGOptLevel(Config->LTOO);
+ c.RelocModel = Reloc::PIC_;
+ c.DisableVerify = true;
+ c.DiagHandler = diagnosticHandler;
+ c.OptLevel = config->ltoo;
+ c.CPU = getCPUStr();
+ c.MAttrs = getMAttrs();
+ c.CGOptLevel = args::getCGOptLevel(config->ltoo);
- if (Config->SaveTemps)
- checkError(C.addSaveTemps(std::string(Config->OutputFile) + ".",
+ if (config->saveTemps)
+ checkError(c.addSaveTemps(std::string(config->outputFile) + ".",
/*UseInputModulePath*/ true));
- lto::ThinBackend Backend;
- if (Config->ThinLTOJobs != 0)
- Backend = lto::createInProcessThinBackend(Config->ThinLTOJobs);
- return llvm::make_unique<lto::LTO>(std::move(C), Backend,
- Config->LTOPartitions);
+ lto::ThinBackend backend;
+ if (config->thinLTOJobs != 0)
+ backend = lto::createInProcessThinBackend(config->thinLTOJobs);
+ return llvm::make_unique<lto::LTO>(std::move(c), backend,
+ config->ltoPartitions);
}
-BitcodeCompiler::BitcodeCompiler() : LTOObj(createLTO()) {}
+BitcodeCompiler::BitcodeCompiler() : ltoObj(createLTO()) {}
BitcodeCompiler::~BitcodeCompiler() = default;
-static void undefine(Symbol *S) { replaceSymbol<Undefined>(S, S->getName()); }
+static void undefine(Symbol *s) { replaceSymbol<Undefined>(s, s->getName()); }
-void BitcodeCompiler::add(BitcodeFile &F) {
- lto::InputFile &Obj = *F.Obj;
- unsigned SymNum = 0;
- std::vector<Symbol *> SymBodies = F.getSymbols();
- std::vector<lto::SymbolResolution> Resols(SymBodies.size());
+void BitcodeCompiler::add(BitcodeFile &f) {
+ lto::InputFile &obj = *f.obj;
+ unsigned symNum = 0;
+ std::vector<Symbol *> symBodies = f.getSymbols();
+ std::vector<lto::SymbolResolution> resols(symBodies.size());
// Provide a resolution to the LTO API for each symbol.
- for (const lto::InputFile::Symbol &ObjSym : Obj.symbols()) {
- Symbol *Sym = SymBodies[SymNum];
- lto::SymbolResolution &R = Resols[SymNum];
- ++SymNum;
+ for (const lto::InputFile::Symbol &objSym : obj.symbols()) {
+ Symbol *sym = symBodies[symNum];
+ lto::SymbolResolution &r = resols[symNum];
+ ++symNum;
// Ideally we shouldn't check for SF_Undefined but currently IRObjectFile
// reports two symbols for module ASM defined. Without this check, lld
// flags an undefined in IR with a definition in ASM as prevailing.
// Once IRObjectFile is fixed to report only one symbol this hack can
// be removed.
- R.Prevailing = !ObjSym.isUndefined() && Sym->getFile() == &F;
- R.VisibleToRegularObj = Sym->IsUsedInRegularObj;
- if (R.Prevailing)
- undefine(Sym);
+ r.Prevailing = !objSym.isUndefined() && sym->getFile() == &f;
+ r.VisibleToRegularObj = sym->isUsedInRegularObj;
+ if (r.Prevailing)
+ undefine(sym);
}
- checkError(LTOObj->add(std::move(F.Obj), Resols));
+ checkError(ltoObj->add(std::move(f.obj), resols));
}
// Merge all the bitcode files we have seen, codegen the result
// and return the resulting objects.
std::vector<StringRef> BitcodeCompiler::compile() {
- unsigned MaxTasks = LTOObj->getMaxTasks();
- Buf.resize(MaxTasks);
- Files.resize(MaxTasks);
+ unsigned maxTasks = ltoObj->getMaxTasks();
+ buf.resize(maxTasks);
+ files.resize(maxTasks);
// The /lldltocache option specifies the path to a directory in which to cache
// native object files for ThinLTO incremental builds. If a path was
// specified, configure LTO to use it as the cache directory.
- lto::NativeObjectCache Cache;
- if (!Config->LTOCache.empty())
- Cache = check(lto::localCache(
- Config->LTOCache, [&](size_t Task, std::unique_ptr<MemoryBuffer> MB) {
- Files[Task] = std::move(MB);
+ lto::NativeObjectCache cache;
+ if (!config->ltoCache.empty())
+ cache = check(lto::localCache(
+ config->ltoCache, [&](size_t task, std::unique_ptr<MemoryBuffer> mb) {
+ files[task] = std::move(mb);
}));
- checkError(LTOObj->run(
- [&](size_t Task) {
+ checkError(ltoObj->run(
+ [&](size_t task) {
return llvm::make_unique<lto::NativeObjectStream>(
- llvm::make_unique<raw_svector_ostream>(Buf[Task]));
+ llvm::make_unique<raw_svector_ostream>(buf[task]));
},
- Cache));
+ cache));
- if (!Config->LTOCache.empty())
- pruneCache(Config->LTOCache, Config->LTOCachePolicy);
+ if (!config->ltoCache.empty())
+ pruneCache(config->ltoCache, config->ltoCachePolicy);
- std::vector<StringRef> Ret;
- for (unsigned I = 0; I != MaxTasks; ++I) {
- if (Buf[I].empty())
+ std::vector<StringRef> ret;
+ for (unsigned i = 0; i != maxTasks; ++i) {
+ if (buf[i].empty())
continue;
- if (Config->SaveTemps) {
- if (I == 0)
- saveBuffer(Buf[I], Config->OutputFile + ".lto.obj");
+ if (config->saveTemps) {
+ if (i == 0)
+ saveBuffer(buf[i], config->outputFile + ".lto.obj");
else
- saveBuffer(Buf[I], Config->OutputFile + Twine(I) + ".lto.obj");
+ saveBuffer(buf[i], config->outputFile + Twine(i) + ".lto.obj");
}
- Ret.emplace_back(Buf[I].data(), Buf[I].size());
+ ret.emplace_back(buf[i].data(), buf[i].size());
}
- for (std::unique_ptr<MemoryBuffer> &File : Files)
- if (File)
- Ret.push_back(File->getBuffer());
+ for (std::unique_ptr<MemoryBuffer> &file : files)
+ if (file)
+ ret.push_back(file->getBuffer());
- return Ret;
+ return ret;
}
diff --git a/lld/COFF/LTO.h b/lld/COFF/LTO.h
index 222945c..10a1063 100644
--- a/lld/COFF/LTO.h
+++ b/lld/COFF/LTO.h
@@ -42,13 +42,13 @@
BitcodeCompiler();
~BitcodeCompiler();
- void add(BitcodeFile &F);
+ void add(BitcodeFile &f);
std::vector<StringRef> compile();
private:
- std::unique_ptr<llvm::lto::LTO> LTOObj;
- std::vector<SmallString<0>> Buf;
- std::vector<std::unique_ptr<MemoryBuffer>> Files;
+ std::unique_ptr<llvm::lto::LTO> ltoObj;
+ std::vector<SmallString<0>> buf;
+ std::vector<std::unique_ptr<MemoryBuffer>> files;
};
}
}
diff --git a/lld/COFF/MapFile.cpp b/lld/COFF/MapFile.cpp
index aade7ad..57a12b8 100644
--- a/lld/COFF/MapFile.cpp
+++ b/lld/COFF/MapFile.cpp
@@ -35,90 +35,90 @@
using SymbolMapTy =
DenseMap<const SectionChunk *, SmallVector<DefinedRegular *, 4>>;
-static const std::string Indent8 = " "; // 8 spaces
-static const std::string Indent16 = " "; // 16 spaces
+static const std::string indent8 = " "; // 8 spaces
+static const std::string indent16 = " "; // 16 spaces
// Print out the first three columns of a line.
-static void writeHeader(raw_ostream &OS, uint64_t Addr, uint64_t Size,
- uint64_t Align) {
- OS << format("%08llx %08llx %5lld ", Addr, Size, Align);
+static void writeHeader(raw_ostream &os, uint64_t addr, uint64_t size,
+ uint64_t align) {
+ os << format("%08llx %08llx %5lld ", addr, size, align);
}
// Returns a list of all symbols that we want to print out.
static std::vector<DefinedRegular *> getSymbols() {
- std::vector<DefinedRegular *> V;
- for (ObjFile *File : ObjFile::Instances)
- for (Symbol *B : File->getSymbols())
- if (auto *Sym = dyn_cast_or_null<DefinedRegular>(B))
- if (Sym && !Sym->getCOFFSymbol().isSectionDefinition())
- V.push_back(Sym);
- return V;
+ std::vector<DefinedRegular *> v;
+ for (ObjFile *file : ObjFile::instances)
+ for (Symbol *b : file->getSymbols())
+ if (auto *sym = dyn_cast_or_null<DefinedRegular>(b))
+ if (sym && !sym->getCOFFSymbol().isSectionDefinition())
+ v.push_back(sym);
+ return v;
}
// Returns a map from sections to their symbols.
-static SymbolMapTy getSectionSyms(ArrayRef<DefinedRegular *> Syms) {
- SymbolMapTy Ret;
- for (DefinedRegular *S : Syms)
- Ret[S->getChunk()].push_back(S);
+static SymbolMapTy getSectionSyms(ArrayRef<DefinedRegular *> syms) {
+ SymbolMapTy ret;
+ for (DefinedRegular *s : syms)
+ ret[s->getChunk()].push_back(s);
// Sort symbols by address.
- for (auto &It : Ret) {
- SmallVectorImpl<DefinedRegular *> &V = It.second;
- std::sort(V.begin(), V.end(), [](DefinedRegular *A, DefinedRegular *B) {
- return A->getRVA() < B->getRVA();
+ for (auto &it : ret) {
+ SmallVectorImpl<DefinedRegular *> &v = it.second;
+ std::sort(v.begin(), v.end(), [](DefinedRegular *a, DefinedRegular *b) {
+ return a->getRVA() < b->getRVA();
});
}
- return Ret;
+ return ret;
}
// Construct a map from symbols to their stringified representations.
static DenseMap<DefinedRegular *, std::string>
-getSymbolStrings(ArrayRef<DefinedRegular *> Syms) {
- std::vector<std::string> Str(Syms.size());
- parallelForEachN((size_t)0, Syms.size(), [&](size_t I) {
- raw_string_ostream OS(Str[I]);
- writeHeader(OS, Syms[I]->getRVA(), 0, 0);
- OS << Indent16 << toString(*Syms[I]);
+getSymbolStrings(ArrayRef<DefinedRegular *> syms) {
+ std::vector<std::string> str(syms.size());
+ parallelForEachN((size_t)0, syms.size(), [&](size_t i) {
+ raw_string_ostream os(str[i]);
+ writeHeader(os, syms[i]->getRVA(), 0, 0);
+ os << indent16 << toString(*syms[i]);
});
- DenseMap<DefinedRegular *, std::string> Ret;
- for (size_t I = 0, E = Syms.size(); I < E; ++I)
- Ret[Syms[I]] = std::move(Str[I]);
- return Ret;
+ DenseMap<DefinedRegular *, std::string> ret;
+ for (size_t i = 0, e = syms.size(); i < e; ++i)
+ ret[syms[i]] = std::move(str[i]);
+ return ret;
}
-void coff::writeMapFile(ArrayRef<OutputSection *> OutputSections) {
- if (Config->MapFile.empty())
+void coff::writeMapFile(ArrayRef<OutputSection *> outputSections) {
+ if (config->mapFile.empty())
return;
- std::error_code EC;
- raw_fd_ostream OS(Config->MapFile, EC, sys::fs::F_None);
- if (EC)
- fatal("cannot open " + Config->MapFile + ": " + EC.message());
+ std::error_code ec;
+ raw_fd_ostream os(config->mapFile, ec, sys::fs::F_None);
+ if (ec)
+ fatal("cannot open " + config->mapFile + ": " + ec.message());
// Collect symbol info that we want to print out.
- std::vector<DefinedRegular *> Syms = getSymbols();
- SymbolMapTy SectionSyms = getSectionSyms(Syms);
- DenseMap<DefinedRegular *, std::string> SymStr = getSymbolStrings(Syms);
+ std::vector<DefinedRegular *> syms = getSymbols();
+ SymbolMapTy sectionSyms = getSectionSyms(syms);
+ DenseMap<DefinedRegular *, std::string> symStr = getSymbolStrings(syms);
// Print out the header line.
- OS << "Address Size Align Out In Symbol\n";
+ os << "Address Size Align Out In Symbol\n";
// Print out file contents.
- for (OutputSection *Sec : OutputSections) {
- writeHeader(OS, Sec->getRVA(), Sec->getVirtualSize(), /*Align=*/PageSize);
- OS << Sec->Name << '\n';
+ for (OutputSection *sec : outputSections) {
+ writeHeader(os, sec->getRVA(), sec->getVirtualSize(), /*Align=*/pageSize);
+ os << sec->name << '\n';
- for (Chunk *C : Sec->Chunks) {
- auto *SC = dyn_cast<SectionChunk>(C);
- if (!SC)
+ for (Chunk *c : sec->chunks) {
+ auto *sc = dyn_cast<SectionChunk>(c);
+ if (!sc)
continue;
- writeHeader(OS, SC->getRVA(), SC->getSize(), SC->getAlignment());
- OS << Indent8 << SC->File->getName() << ":(" << SC->getSectionName()
+ writeHeader(os, sc->getRVA(), sc->getSize(), sc->getAlignment());
+ os << indent8 << sc->file->getName() << ":(" << sc->getSectionName()
<< ")\n";
- for (DefinedRegular *Sym : SectionSyms[SC])
- OS << SymStr[Sym] << '\n';
+ for (DefinedRegular *sym : sectionSyms[sc])
+ os << symStr[sym] << '\n';
}
}
}
diff --git a/lld/COFF/MapFile.h b/lld/COFF/MapFile.h
index f702dc6..2bf01bd 100644
--- a/lld/COFF/MapFile.h
+++ b/lld/COFF/MapFile.h
@@ -14,7 +14,7 @@
namespace lld {
namespace coff {
class OutputSection;
-void writeMapFile(llvm::ArrayRef<OutputSection *> OutputSections);
+void writeMapFile(llvm::ArrayRef<OutputSection *> outputSections);
}
}
diff --git a/lld/COFF/MarkLive.cpp b/lld/COFF/MarkLive.cpp
index 50e41ba..0543d0e 100644
--- a/lld/COFF/MarkLive.cpp
+++ b/lld/COFF/MarkLive.cpp
@@ -15,57 +15,57 @@
namespace lld {
namespace coff {
-static Timer GCTimer("GC", Timer::root());
+static Timer gCTimer("GC", Timer::root());
// Set live bit on for each reachable chunk. Unmarked (unreachable)
// COMDAT chunks will be ignored by Writer, so they will be excluded
// from the final output.
-void markLive(ArrayRef<Chunk *> Chunks) {
- ScopedTimer T(GCTimer);
+void markLive(ArrayRef<Chunk *> chunks) {
+ ScopedTimer t(gCTimer);
// We build up a worklist of sections which have been marked as live. We only
// push into the worklist when we discover an unmarked section, and we mark
// as we push, so sections never appear twice in the list.
- SmallVector<SectionChunk *, 256> Worklist;
+ SmallVector<SectionChunk *, 256> worklist;
// COMDAT section chunks are dead by default. Add non-COMDAT chunks.
- for (Chunk *C : Chunks)
- if (auto *SC = dyn_cast<SectionChunk>(C))
- if (SC->Live)
- Worklist.push_back(SC);
+ for (Chunk *c : chunks)
+ if (auto *sc = dyn_cast<SectionChunk>(c))
+ if (sc->live)
+ worklist.push_back(sc);
- auto Enqueue = [&](SectionChunk *C) {
- if (C->Live)
+ auto enqueue = [&](SectionChunk *c) {
+ if (c->live)
return;
- C->Live = true;
- Worklist.push_back(C);
+ c->live = true;
+ worklist.push_back(c);
};
- auto AddSym = [&](Symbol *B) {
- if (auto *Sym = dyn_cast<DefinedRegular>(B))
- Enqueue(Sym->getChunk());
- else if (auto *Sym = dyn_cast<DefinedImportData>(B))
- Sym->File->Live = true;
- else if (auto *Sym = dyn_cast<DefinedImportThunk>(B))
- Sym->WrappedSym->File->Live = Sym->WrappedSym->File->ThunkLive = true;
+ auto addSym = [&](Symbol *b) {
+ if (auto *sym = dyn_cast<DefinedRegular>(b))
+ enqueue(sym->getChunk());
+ else if (auto *sym = dyn_cast<DefinedImportData>(b))
+ sym->file->live = true;
+ else if (auto *sym = dyn_cast<DefinedImportThunk>(b))
+ sym->wrappedSym->file->live = sym->wrappedSym->file->thunkLive = true;
};
// Add GC root chunks.
- for (Symbol *B : Config->GCRoot)
- AddSym(B);
+ for (Symbol *b : config->gCRoot)
+ addSym(b);
- while (!Worklist.empty()) {
- SectionChunk *SC = Worklist.pop_back_val();
- assert(SC->Live && "We mark as live when pushing onto the worklist!");
+ while (!worklist.empty()) {
+ SectionChunk *sc = worklist.pop_back_val();
+ assert(sc->live && "We mark as live when pushing onto the worklist!");
// Mark all symbols listed in the relocation table for this section.
- for (Symbol *B : SC->symbols())
- if (B)
- AddSym(B);
+ for (Symbol *b : sc->symbols())
+ if (b)
+ addSym(b);
// Mark associative sections if any.
- for (SectionChunk &C : SC->children())
- Enqueue(&C);
+ for (SectionChunk &c : sc->children())
+ enqueue(&c);
}
}
diff --git a/lld/COFF/MarkLive.h b/lld/COFF/MarkLive.h
index 9c584dc..e4e4c31 100644
--- a/lld/COFF/MarkLive.h
+++ b/lld/COFF/MarkLive.h
@@ -17,7 +17,7 @@
class Chunk;
-void markLive(ArrayRef<Chunk *> Chunks);
+void markLive(ArrayRef<Chunk *> chunks);
} // namespace coff
} // namespace lld
diff --git a/lld/COFF/MinGW.cpp b/lld/COFF/MinGW.cpp
index 9d3815d..2ca8ca0 100644
--- a/lld/COFF/MinGW.cpp
+++ b/lld/COFF/MinGW.cpp
@@ -19,7 +19,7 @@
using namespace llvm::COFF;
AutoExporter::AutoExporter() {
- ExcludeLibs = {
+ excludeLibs = {
"libgcc",
"libgcc_s",
"libstdc++",
@@ -41,12 +41,12 @@
"libucrtbase",
};
- ExcludeObjects = {
+ excludeObjects = {
"crt0.o", "crt1.o", "crt1u.o", "crt2.o", "crt2u.o", "dllcrt1.o",
"dllcrt2.o", "gcrt0.o", "gcrt1.o", "gcrt2.o", "crtbegin.o", "crtend.o",
};
- ExcludeSymbolPrefixes = {
+ excludeSymbolPrefixes = {
// Import symbols
"__imp_",
"__IMPORT_DESCRIPTOR_",
@@ -59,13 +59,13 @@
".",
};
- ExcludeSymbolSuffixes = {
+ excludeSymbolSuffixes = {
"_iname",
"_NULL_THUNK_DATA",
};
- if (Config->Machine == I386) {
- ExcludeSymbols = {
+ if (config->machine == I386) {
+ excludeSymbols = {
"__NULL_IMPORT_DESCRIPTOR",
"__pei386_runtime_relocator",
"_do_pseudo_reloc",
@@ -80,9 +80,9 @@
"_DllEntryPoint@12",
"_DllMainCRTStartup@12",
};
- ExcludeSymbolPrefixes.insert("__head_");
+ excludeSymbolPrefixes.insert("__head_");
} else {
- ExcludeSymbols = {
+ excludeSymbols = {
"__NULL_IMPORT_DESCRIPTOR",
"_pei386_runtime_relocator",
"do_pseudo_reloc",
@@ -97,70 +97,70 @@
"DllEntryPoint",
"DllMainCRTStartup",
};
- ExcludeSymbolPrefixes.insert("_head_");
+ excludeSymbolPrefixes.insert("_head_");
}
}
-void AutoExporter::addWholeArchive(StringRef Path) {
- StringRef LibName = sys::path::filename(Path);
+void AutoExporter::addWholeArchive(StringRef path) {
+ StringRef libName = sys::path::filename(path);
// Drop the file extension, to match the processing below.
- LibName = LibName.substr(0, LibName.rfind('.'));
- ExcludeLibs.erase(LibName);
+ libName = libName.substr(0, libName.rfind('.'));
+ excludeLibs.erase(libName);
}
-bool AutoExporter::shouldExport(Defined *Sym) const {
- if (!Sym || !Sym->isLive() || !Sym->getChunk())
+bool AutoExporter::shouldExport(Defined *sym) const {
+ if (!sym || !sym->isLive() || !sym->getChunk())
return false;
// Only allow the symbol kinds that make sense to export; in particular,
// disallow import symbols.
- if (!isa<DefinedRegular>(Sym) && !isa<DefinedCommon>(Sym))
+ if (!isa<DefinedRegular>(sym) && !isa<DefinedCommon>(sym))
return false;
- if (ExcludeSymbols.count(Sym->getName()))
+ if (excludeSymbols.count(sym->getName()))
return false;
- for (StringRef Prefix : ExcludeSymbolPrefixes.keys())
- if (Sym->getName().startswith(Prefix))
+ for (StringRef prefix : excludeSymbolPrefixes.keys())
+ if (sym->getName().startswith(prefix))
return false;
- for (StringRef Suffix : ExcludeSymbolSuffixes.keys())
- if (Sym->getName().endswith(Suffix))
+ for (StringRef suffix : excludeSymbolSuffixes.keys())
+ if (sym->getName().endswith(suffix))
return false;
// If a corresponding __imp_ symbol exists and is defined, don't export it.
- if (Symtab->find(("__imp_" + Sym->getName()).str()))
+ if (symtab->find(("__imp_" + sym->getName()).str()))
return false;
// Check that file is non-null before dereferencing it, symbols not
// originating in regular object files probably shouldn't be exported.
- if (!Sym->getFile())
+ if (!sym->getFile())
return false;
- StringRef LibName = sys::path::filename(Sym->getFile()->ParentName);
+ StringRef libName = sys::path::filename(sym->getFile()->parentName);
// Drop the file extension.
- LibName = LibName.substr(0, LibName.rfind('.'));
- if (!LibName.empty())
- return !ExcludeLibs.count(LibName);
+ libName = libName.substr(0, libName.rfind('.'));
+ if (!libName.empty())
+ return !excludeLibs.count(libName);
- StringRef FileName = sys::path::filename(Sym->getFile()->getName());
- return !ExcludeObjects.count(FileName);
+ StringRef fileName = sys::path::filename(sym->getFile()->getName());
+ return !excludeObjects.count(fileName);
}
-void coff::writeDefFile(StringRef Name) {
- std::error_code EC;
- raw_fd_ostream OS(Name, EC, sys::fs::F_None);
- if (EC)
- fatal("cannot open " + Name + ": " + EC.message());
+void coff::writeDefFile(StringRef name) {
+ std::error_code ec;
+ raw_fd_ostream os(name, ec, sys::fs::F_None);
+ if (ec)
+ fatal("cannot open " + name + ": " + ec.message());
- OS << "EXPORTS\n";
- for (Export &E : Config->Exports) {
- OS << " " << E.ExportName << " "
- << "@" << E.Ordinal;
- if (auto *Def = dyn_cast_or_null<Defined>(E.Sym)) {
- if (Def && Def->getChunk() &&
- !(Def->getChunk()->getOutputCharacteristics() & IMAGE_SCN_MEM_EXECUTE))
- OS << " DATA";
+ os << "EXPORTS\n";
+ for (Export &e : config->exports) {
+ os << " " << e.exportName << " "
+ << "@" << e.ordinal;
+ if (auto *def = dyn_cast_or_null<Defined>(e.sym)) {
+ if (def && def->getChunk() &&
+ !(def->getChunk()->getOutputCharacteristics() & IMAGE_SCN_MEM_EXECUTE))
+ os << " DATA";
}
- OS << "\n";
+ os << "\n";
}
}
diff --git a/lld/COFF/MinGW.h b/lld/COFF/MinGW.h
index fde9eeb..578a277 100644
--- a/lld/COFF/MinGW.h
+++ b/lld/COFF/MinGW.h
@@ -22,18 +22,18 @@
public:
AutoExporter();
- void addWholeArchive(StringRef Path);
+ void addWholeArchive(StringRef path);
- llvm::StringSet<> ExcludeSymbols;
- llvm::StringSet<> ExcludeSymbolPrefixes;
- llvm::StringSet<> ExcludeSymbolSuffixes;
- llvm::StringSet<> ExcludeLibs;
- llvm::StringSet<> ExcludeObjects;
+ llvm::StringSet<> excludeSymbols;
+ llvm::StringSet<> excludeSymbolPrefixes;
+ llvm::StringSet<> excludeSymbolSuffixes;
+ llvm::StringSet<> excludeLibs;
+ llvm::StringSet<> excludeObjects;
- bool shouldExport(Defined *Sym) const;
+ bool shouldExport(Defined *sym) const;
};
-void writeDefFile(StringRef Name);
+void writeDefFile(StringRef name);
} // namespace coff
} // namespace lld
diff --git a/lld/COFF/PDB.cpp b/lld/COFF/PDB.cpp
index 6d3bf64..d024f75 100644
--- a/lld/COFF/PDB.cpp
+++ b/lld/COFF/PDB.cpp
@@ -66,16 +66,16 @@
using llvm::object::coff_section;
-static ExitOnError ExitOnErr;
+static ExitOnError exitOnErr;
-static Timer TotalPdbLinkTimer("PDB Emission (Cumulative)", Timer::root());
+static Timer totalPdbLinkTimer("PDB Emission (Cumulative)", Timer::root());
-static Timer AddObjectsTimer("Add Objects", TotalPdbLinkTimer);
-static Timer TypeMergingTimer("Type Merging", AddObjectsTimer);
-static Timer SymbolMergingTimer("Symbol Merging", AddObjectsTimer);
-static Timer GlobalsLayoutTimer("Globals Stream Layout", TotalPdbLinkTimer);
-static Timer TpiStreamLayoutTimer("TPI Stream Layout", TotalPdbLinkTimer);
-static Timer DiskCommitTimer("Commit to Disk", TotalPdbLinkTimer);
+static Timer addObjectsTimer("Add Objects", totalPdbLinkTimer);
+static Timer typeMergingTimer("Type Merging", addObjectsTimer);
+static Timer symbolMergingTimer("Symbol Merging", addObjectsTimer);
+static Timer globalsLayoutTimer("Globals Stream Layout", totalPdbLinkTimer);
+static Timer tpiStreamLayoutTimer("TPI Stream Layout", totalPdbLinkTimer);
+static Timer diskCommitTimer("Commit to Disk", totalPdbLinkTimer);
namespace {
class DebugSHandler;
@@ -84,16 +84,16 @@
friend DebugSHandler;
public:
- PDBLinker(SymbolTable *Symtab)
- : Alloc(), Symtab(Symtab), Builder(Alloc), TMerger(Alloc) {
+ PDBLinker(SymbolTable *symtab)
+ : alloc(), symtab(symtab), builder(alloc), tMerger(alloc) {
// This isn't strictly necessary, but link.exe usually puts an empty string
// as the first "valid" string in the string table, so we do the same in
// order to maintain as much byte-for-byte compatibility as possible.
- PDBStrTab.insert("");
+ pdbStrTab.insert("");
}
/// Emit the basic PDB structure: initial streams, headers, etc.
- void initialize(llvm::codeview::DebugInfo *BuildId);
+ void initialize(llvm::codeview::DebugInfo *buildId);
/// Add natvis files specified on the command line.
void addNatvisFiles();
@@ -102,12 +102,12 @@
void addObjectsToPDB();
/// Link info for each import file in the symbol table into the PDB.
- void addImportFilesToPDB(ArrayRef<OutputSection *> OutputSections);
+ void addImportFilesToPDB(ArrayRef<OutputSection *> outputSections);
/// Link CodeView from a single object file into the target (output) PDB.
/// When a precompiled headers object is linked, its TPI map might be provided
/// externally.
- void addObjFile(ObjFile *File, CVIndexMap *ExternIndexMap = nullptr);
+ void addObjFile(ObjFile *file, CVIndexMap *externIndexMap = nullptr);
/// Produce a mapping from the type and item indices used in the object
/// file to those in the destination PDB.
@@ -120,16 +120,16 @@
/// If the object does not use a type server PDB (compiled with /Z7), we merge
/// all the type and item records from the .debug$S stream and fill in the
/// caller-provided ObjectIndexMap.
- Expected<const CVIndexMap &> mergeDebugT(ObjFile *File,
- CVIndexMap *ObjectIndexMap);
+ Expected<const CVIndexMap &> mergeDebugT(ObjFile *file,
+ CVIndexMap *objectIndexMap);
/// Reads and makes available a PDB.
- Expected<const CVIndexMap &> maybeMergeTypeServerPDB(ObjFile *File);
+ Expected<const CVIndexMap &> maybeMergeTypeServerPDB(ObjFile *file);
/// Merges a precompiled headers TPI map into the current TPI map. The
/// precompiled headers object will also be loaded and remapped in the
/// process.
- Error mergeInPrecompHeaderObj(ObjFile *File, CVIndexMap *ObjectIndexMap);
+ Error mergeInPrecompHeaderObj(ObjFile *file, CVIndexMap *objectIndexMap);
/// Reads and makes available a precompiled headers object.
///
@@ -140,87 +140,87 @@
///
/// If the precompiled headers object was already loaded, this function will
/// simply return its (remapped) TPI map.
- Expected<const CVIndexMap &> aquirePrecompObj(ObjFile *File);
+ Expected<const CVIndexMap &> aquirePrecompObj(ObjFile *file);
/// Adds a precompiled headers object signature -> TPI mapping.
std::pair<CVIndexMap &, bool /*already there*/>
- registerPrecompiledHeaders(uint32_t Signature);
+ registerPrecompiledHeaders(uint32_t signature);
- void mergeSymbolRecords(ObjFile *File, const CVIndexMap &IndexMap,
- std::vector<ulittle32_t *> &StringTableRefs,
- BinaryStreamRef SymData);
+ void mergeSymbolRecords(ObjFile *file, const CVIndexMap &indexMap,
+ std::vector<ulittle32_t *> &stringTableRefs,
+ BinaryStreamRef symData);
/// Add the section map and section contributions to the PDB.
- void addSections(ArrayRef<OutputSection *> OutputSections,
- ArrayRef<uint8_t> SectionTable);
+ void addSections(ArrayRef<OutputSection *> outputSections,
+ ArrayRef<uint8_t> sectionTable);
/// Write the PDB to disk and store the Guid generated for it in *Guid.
- void commit(codeview::GUID *Guid);
+ void commit(codeview::GUID *guid);
// Print statistics regarding the final PDB
void printStats();
private:
- BumpPtrAllocator Alloc;
+ BumpPtrAllocator alloc;
- SymbolTable *Symtab;
+ SymbolTable *symtab;
- pdb::PDBFileBuilder Builder;
+ pdb::PDBFileBuilder builder;
- TypeMerger TMerger;
+ TypeMerger tMerger;
/// PDBs use a single global string table for filenames in the file checksum
/// table.
- DebugStringTableSubsection PDBStrTab;
+ DebugStringTableSubsection pdbStrTab;
- llvm::SmallString<128> NativePath;
+ llvm::SmallString<128> nativePath;
- std::vector<pdb::SecMapEntry> SectionMap;
+ std::vector<pdb::SecMapEntry> sectionMap;
/// Type index mappings of type server PDBs that we've loaded so far.
- std::map<codeview::GUID, CVIndexMap> TypeServerIndexMappings;
+ std::map<codeview::GUID, CVIndexMap> typeServerIndexMappings;
/// Type index mappings of precompiled objects type map that we've loaded so
/// far.
- std::map<uint32_t, CVIndexMap> PrecompTypeIndexMappings;
+ std::map<uint32_t, CVIndexMap> precompTypeIndexMappings;
// For statistics
- uint64_t GlobalSymbols = 0;
- uint64_t ModuleSymbols = 0;
- uint64_t PublicSymbols = 0;
+ uint64_t globalSymbols = 0;
+ uint64_t moduleSymbols = 0;
+ uint64_t publicSymbols = 0;
};
class DebugSHandler {
- PDBLinker &Linker;
+ PDBLinker &linker;
/// The object file whose .debug$S sections we're processing.
- ObjFile &File;
+ ObjFile &file;
/// The result of merging type indices.
- const CVIndexMap &IndexMap;
+ const CVIndexMap &indexMap;
/// The DEBUG_S_STRINGTABLE subsection. These strings are referred to by
/// index from other records in the .debug$S section. All of these strings
/// need to be added to the global PDB string table, and all references to
/// these strings need to have their indices re-written to refer to the
/// global PDB string table.
- DebugStringTableSubsectionRef CVStrTab;
+ DebugStringTableSubsectionRef cVStrTab;
/// The DEBUG_S_FILECHKSMS subsection. As above, these are referred to
/// by other records in the .debug$S section and need to be merged into the
/// PDB.
- DebugChecksumsSubsectionRef Checksums;
+ DebugChecksumsSubsectionRef checksums;
/// The DEBUG_S_INLINEELINES subsection. There can be only one of these per
/// object file.
- DebugInlineeLinesSubsectionRef InlineeLines;
+ DebugInlineeLinesSubsectionRef inlineeLines;
/// The DEBUG_S_FRAMEDATA subsection(s). There can be more than one of
/// these and they need not appear in any specific order. However, they
/// contain string table references which need to be re-written, so we
/// collect them all here and re-write them after all subsections have been
/// discovered and processed.
- std::vector<DebugFrameDataSubsectionRef> NewFpoFrames;
+ std::vector<DebugFrameDataSubsectionRef> newFpoFrames;
/// Pointers to raw memory that we determine have string table references
/// that need to be re-written. We first process all .debug$S subsections
@@ -228,16 +228,16 @@
/// up this list as we go. At the end, we use the string table (which must
/// have been discovered by now else it is an error) to re-write these
/// references.
- std::vector<ulittle32_t *> StringTableReferences;
+ std::vector<ulittle32_t *> stringTableReferences;
public:
- DebugSHandler(PDBLinker &Linker, ObjFile &File, const CVIndexMap &IndexMap)
- : Linker(Linker), File(File), IndexMap(IndexMap) {}
+ DebugSHandler(PDBLinker &linker, ObjFile &file, const CVIndexMap &indexMap)
+ : linker(linker), file(file), indexMap(indexMap) {}
- void handleDebugS(lld::coff::SectionChunk &DebugS);
+ void handleDebugS(lld::coff::SectionChunk &debugS);
std::shared_ptr<DebugInlineeLinesSubsection>
- mergeInlineeLines(DebugChecksumsSubsection *NewChecksums);
+ mergeInlineeLines(DebugChecksumsSubsection *newChecksums);
void finish();
};
@@ -246,7 +246,7 @@
// Visual Studio's debugger requires absolute paths in various places in the
// PDB to work without additional configuration:
// https://docs.microsoft.com/en-us/visualstudio/debugger/debug-source-files-common-properties-solution-property-pages-dialog-box
-static void pdbMakeAbsolute(SmallVectorImpl<char> &FileName) {
+static void pdbMakeAbsolute(SmallVectorImpl<char> &fileName) {
// The default behavior is to produce paths that are valid within the context
// of the machine that you perform the link on. If the linker is running on
// a POSIX system, we will output absolute POSIX paths. If the linker is
@@ -254,16 +254,16 @@
// user desires any other kind of behavior, they should explicitly pass
// /pdbsourcepath, in which case we will treat the exact string the user
// passed in as the gospel and not normalize, canonicalize it.
- if (sys::path::is_absolute(FileName, sys::path::Style::windows) ||
- sys::path::is_absolute(FileName, sys::path::Style::posix))
+ if (sys::path::is_absolute(fileName, sys::path::Style::windows) ||
+ sys::path::is_absolute(fileName, sys::path::Style::posix))
return;
// It's not absolute in any path syntax. Relative paths necessarily refer to
// the local file system, so we can make it native without ending up with a
// nonsensical path.
- if (Config->PDBSourcePath.empty()) {
- sys::path::native(FileName);
- sys::fs::make_absolute(FileName);
+ if (config->pdbSourcePath.empty()) {
+ sys::path::native(fileName);
+ sys::fs::make_absolute(fileName);
return;
}
@@ -271,238 +271,238 @@
// Since PDB's are more of a Windows thing, we make this conservative and only
// decide that it's a unix path if we're fairly certain. Specifically, if
// it starts with a forward slash.
- SmallString<128> AbsoluteFileName = Config->PDBSourcePath;
- sys::path::Style GuessedStyle = AbsoluteFileName.startswith("/")
+ SmallString<128> absoluteFileName = config->pdbSourcePath;
+ sys::path::Style guessedStyle = absoluteFileName.startswith("/")
? sys::path::Style::posix
: sys::path::Style::windows;
- sys::path::append(AbsoluteFileName, GuessedStyle, FileName);
- sys::path::native(AbsoluteFileName, GuessedStyle);
- sys::path::remove_dots(AbsoluteFileName, true, GuessedStyle);
+ sys::path::append(absoluteFileName, guessedStyle, fileName);
+ sys::path::native(absoluteFileName, guessedStyle);
+ sys::path::remove_dots(absoluteFileName, true, guessedStyle);
- FileName = std::move(AbsoluteFileName);
+ fileName = std::move(absoluteFileName);
}
// A COFF .debug$H section is currently a clang extension. This function checks
// if a .debug$H section is in a format that we expect / understand, so that we
// can ignore any sections which are coincidentally also named .debug$H but do
// not contain a format we recognize.
-static bool canUseDebugH(ArrayRef<uint8_t> DebugH) {
- if (DebugH.size() < sizeof(object::debug_h_header))
+static bool canUseDebugH(ArrayRef<uint8_t> debugH) {
+ if (debugH.size() < sizeof(object::debug_h_header))
return false;
- auto *Header =
- reinterpret_cast<const object::debug_h_header *>(DebugH.data());
- DebugH = DebugH.drop_front(sizeof(object::debug_h_header));
- return Header->Magic == COFF::DEBUG_HASHES_SECTION_MAGIC &&
- Header->Version == 0 &&
- Header->HashAlgorithm == uint16_t(GlobalTypeHashAlg::SHA1_8) &&
- (DebugH.size() % 8 == 0);
+ auto *header =
+ reinterpret_cast<const object::debug_h_header *>(debugH.data());
+ debugH = debugH.drop_front(sizeof(object::debug_h_header));
+ return header->Magic == COFF::DEBUG_HASHES_SECTION_MAGIC &&
+ header->Version == 0 &&
+ header->HashAlgorithm == uint16_t(GlobalTypeHashAlg::SHA1_8) &&
+ (debugH.size() % 8 == 0);
}
-static Optional<ArrayRef<uint8_t>> getDebugH(ObjFile *File) {
- SectionChunk *Sec =
- SectionChunk::findByName(File->getDebugChunks(), ".debug$H");
- if (!Sec)
+static Optional<ArrayRef<uint8_t>> getDebugH(ObjFile *file) {
+ SectionChunk *sec =
+ SectionChunk::findByName(file->getDebugChunks(), ".debug$H");
+ if (!sec)
return llvm::None;
- ArrayRef<uint8_t> Contents = Sec->getContents();
- if (!canUseDebugH(Contents))
+ ArrayRef<uint8_t> contents = sec->getContents();
+ if (!canUseDebugH(contents))
return None;
- return Contents;
+ return contents;
}
static ArrayRef<GloballyHashedType>
-getHashesFromDebugH(ArrayRef<uint8_t> DebugH) {
- assert(canUseDebugH(DebugH));
+getHashesFromDebugH(ArrayRef<uint8_t> debugH) {
+ assert(canUseDebugH(debugH));
- DebugH = DebugH.drop_front(sizeof(object::debug_h_header));
- uint32_t Count = DebugH.size() / sizeof(GloballyHashedType);
- return {reinterpret_cast<const GloballyHashedType *>(DebugH.data()), Count};
+ debugH = debugH.drop_front(sizeof(object::debug_h_header));
+ uint32_t count = debugH.size() / sizeof(GloballyHashedType);
+ return {reinterpret_cast<const GloballyHashedType *>(debugH.data()), count};
}
-static void addTypeInfo(pdb::TpiStreamBuilder &TpiBuilder,
- TypeCollection &TypeTable) {
+static void addTypeInfo(pdb::TpiStreamBuilder &tpiBuilder,
+ TypeCollection &typeTable) {
// Start the TPI or IPI stream header.
- TpiBuilder.setVersionHeader(pdb::PdbTpiV80);
+ tpiBuilder.setVersionHeader(pdb::PdbTpiV80);
// Flatten the in memory type table and hash each type.
- TypeTable.ForEachRecord([&](TypeIndex TI, const CVType &Type) {
- auto Hash = pdb::hashTypeRecord(Type);
- if (auto E = Hash.takeError())
+ typeTable.ForEachRecord([&](TypeIndex ti, const CVType &type) {
+ auto hash = pdb::hashTypeRecord(type);
+ if (auto e = hash.takeError())
fatal("type hashing error");
- TpiBuilder.addTypeRecord(Type.RecordData, *Hash);
+ tpiBuilder.addTypeRecord(type.RecordData, *hash);
});
}
Expected<const CVIndexMap &>
-PDBLinker::mergeDebugT(ObjFile *File, CVIndexMap *ObjectIndexMap) {
- ScopedTimer T(TypeMergingTimer);
+PDBLinker::mergeDebugT(ObjFile *file, CVIndexMap *objectIndexMap) {
+ ScopedTimer t(typeMergingTimer);
- if (!File->DebugTypesObj)
- return *ObjectIndexMap; // no Types stream
+ if (!file->debugTypesObj)
+ return *objectIndexMap; // no Types stream
// Precompiled headers objects need to save the index map for further
// reference by other objects which use the precompiled headers.
- if (File->DebugTypesObj->Kind == TpiSource::PCH) {
- uint32_t PCHSignature = File->PCHSignature.getValueOr(0);
- if (PCHSignature == 0)
+ if (file->debugTypesObj->kind == TpiSource::PCH) {
+ uint32_t pchSignature = file->pchSignature.getValueOr(0);
+ if (pchSignature == 0)
fatal("No signature found for the precompiled headers OBJ (" +
- File->getName() + ")");
+ file->getName() + ")");
// When a precompiled headers object comes first on the command-line, we
// update the mapping here. Otherwise, if an object referencing the
// precompiled headers object comes first, the mapping is created in
// aquirePrecompObj(), thus we would skip this block.
- if (!ObjectIndexMap->IsPrecompiledTypeMap) {
- auto R = registerPrecompiledHeaders(PCHSignature);
- if (R.second)
+ if (!objectIndexMap->isPrecompiledTypeMap) {
+ auto r = registerPrecompiledHeaders(pchSignature);
+ if (r.second)
fatal(
"A precompiled headers OBJ with the same signature was already "
"provided! (" +
- File->getName() + ")");
+ file->getName() + ")");
- ObjectIndexMap = &R.first;
+ objectIndexMap = &r.first;
}
}
- if (File->DebugTypesObj->Kind == TpiSource::UsingPDB) {
+ if (file->debugTypesObj->kind == TpiSource::UsingPDB) {
// Look through type servers. If we've already seen this type server,
// don't merge any type information.
- return maybeMergeTypeServerPDB(File);
+ return maybeMergeTypeServerPDB(file);
}
- CVTypeArray &Types = *File->DebugTypes;
+ CVTypeArray &types = *file->debugTypes;
- if (File->DebugTypesObj->Kind == TpiSource::UsingPCH) {
+ if (file->debugTypesObj->kind == TpiSource::UsingPCH) {
// This object was compiled with /Yu, so process the corresponding
// precompiled headers object (/Yc) first. Some type indices in the current
// object are referencing data in the precompiled headers object, so we need
// both to be loaded.
- Error E = mergeInPrecompHeaderObj(File, ObjectIndexMap);
- if (E)
- return std::move(E);
+ Error e = mergeInPrecompHeaderObj(file, objectIndexMap);
+ if (e)
+ return std::move(e);
// Drop LF_PRECOMP record from the input stream, as it has been replaced
// with the precompiled headers Type stream in the mergeInPrecompHeaderObj()
// call above. Note that we can't just call Types.drop_front(), as we
// explicitly want to rebase the stream.
- CVTypeArray::Iterator FirstType = Types.begin();
- Types.setUnderlyingStream(
- Types.getUnderlyingStream().drop_front(FirstType->RecordData.size()));
+ CVTypeArray::Iterator firstType = types.begin();
+ types.setUnderlyingStream(
+ types.getUnderlyingStream().drop_front(firstType->RecordData.size()));
}
// Fill in the temporary, caller-provided ObjectIndexMap.
- if (Config->DebugGHashes) {
- ArrayRef<GloballyHashedType> Hashes;
- std::vector<GloballyHashedType> OwnedHashes;
- if (Optional<ArrayRef<uint8_t>> DebugH = getDebugH(File))
- Hashes = getHashesFromDebugH(*DebugH);
+ if (config->debugGHashes) {
+ ArrayRef<GloballyHashedType> hashes;
+ std::vector<GloballyHashedType> ownedHashes;
+ if (Optional<ArrayRef<uint8_t>> debugH = getDebugH(file))
+ hashes = getHashesFromDebugH(*debugH);
else {
- OwnedHashes = GloballyHashedType::hashTypes(Types);
- Hashes = OwnedHashes;
+ ownedHashes = GloballyHashedType::hashTypes(types);
+ hashes = ownedHashes;
}
- if (auto Err = mergeTypeAndIdRecords(
- TMerger.GlobalIDTable, TMerger.GlobalTypeTable,
- ObjectIndexMap->TPIMap, Types, Hashes, File->PCHSignature))
+ if (auto err = mergeTypeAndIdRecords(
+ tMerger.globalIDTable, tMerger.globalTypeTable,
+ objectIndexMap->tpiMap, types, hashes, file->pchSignature))
fatal("codeview::mergeTypeAndIdRecords failed: " +
- toString(std::move(Err)));
+ toString(std::move(err)));
} else {
- if (auto Err = mergeTypeAndIdRecords(TMerger.IDTable, TMerger.TypeTable,
- ObjectIndexMap->TPIMap, Types,
- File->PCHSignature))
+ if (auto err = mergeTypeAndIdRecords(tMerger.iDTable, tMerger.typeTable,
+ objectIndexMap->tpiMap, types,
+ file->pchSignature))
fatal("codeview::mergeTypeAndIdRecords failed: " +
- toString(std::move(Err)));
+ toString(std::move(err)));
}
- return *ObjectIndexMap;
+ return *objectIndexMap;
}
-Expected<const CVIndexMap &> PDBLinker::maybeMergeTypeServerPDB(ObjFile *File) {
- Expected<llvm::pdb::NativeSession *> PDBSession = findTypeServerSource(File);
- if (!PDBSession)
- return PDBSession.takeError();
+Expected<const CVIndexMap &> PDBLinker::maybeMergeTypeServerPDB(ObjFile *file) {
+ Expected<llvm::pdb::NativeSession *> pdbSession = findTypeServerSource(file);
+ if (!pdbSession)
+ return pdbSession.takeError();
- pdb::PDBFile &PDBFile = PDBSession.get()->getPDBFile();
- pdb::InfoStream &Info = cantFail(PDBFile.getPDBInfoStream());
+ pdb::PDBFile &pdbFile = pdbSession.get()->getPDBFile();
+ pdb::InfoStream &info = cantFail(pdbFile.getPDBInfoStream());
- auto It = TypeServerIndexMappings.emplace(Info.getGuid(), CVIndexMap());
- CVIndexMap &IndexMap = It.first->second;
- if (!It.second)
- return IndexMap; // already merged
+ auto it = typeServerIndexMappings.emplace(info.getGuid(), CVIndexMap());
+ CVIndexMap &indexMap = it.first->second;
+ if (!it.second)
+ return indexMap; // already merged
// Mark this map as a type server map.
- IndexMap.IsTypeServerMap = true;
+ indexMap.isTypeServerMap = true;
- Expected<pdb::TpiStream &> ExpectedTpi = PDBFile.getPDBTpiStream();
- if (auto E = ExpectedTpi.takeError())
- fatal("Type server does not have TPI stream: " + toString(std::move(E)));
- pdb::TpiStream *MaybeIpi = nullptr;
- if (PDBFile.hasPDBIpiStream()) {
- Expected<pdb::TpiStream &> ExpectedIpi = PDBFile.getPDBIpiStream();
- if (auto E = ExpectedIpi.takeError())
- fatal("Error getting type server IPI stream: " + toString(std::move(E)));
- MaybeIpi = &*ExpectedIpi;
+ Expected<pdb::TpiStream &> expectedTpi = pdbFile.getPDBTpiStream();
+ if (auto e = expectedTpi.takeError())
+ fatal("Type server does not have TPI stream: " + toString(std::move(e)));
+ pdb::TpiStream *maybeIpi = nullptr;
+ if (pdbFile.hasPDBIpiStream()) {
+ Expected<pdb::TpiStream &> expectedIpi = pdbFile.getPDBIpiStream();
+ if (auto e = expectedIpi.takeError())
+ fatal("Error getting type server IPI stream: " + toString(std::move(e)));
+ maybeIpi = &*expectedIpi;
}
- if (Config->DebugGHashes) {
+ if (config->debugGHashes) {
// PDBs do not actually store global hashes, so when merging a type server
// PDB we have to synthesize global hashes. To do this, we first synthesize
// global hashes for the TPI stream, since it is independent, then we
// synthesize hashes for the IPI stream, using the hashes for the TPI stream
// as inputs.
- auto TpiHashes = GloballyHashedType::hashTypes(ExpectedTpi->typeArray());
- Optional<uint32_t> EndPrecomp;
+ auto tpiHashes = GloballyHashedType::hashTypes(expectedTpi->typeArray());
+ Optional<uint32_t> endPrecomp;
// Merge TPI first, because the IPI stream will reference type indices.
- if (auto Err =
- mergeTypeRecords(TMerger.GlobalTypeTable, IndexMap.TPIMap,
- ExpectedTpi->typeArray(), TpiHashes, EndPrecomp))
- fatal("codeview::mergeTypeRecords failed: " + toString(std::move(Err)));
+ if (auto err =
+ mergeTypeRecords(tMerger.globalTypeTable, indexMap.tpiMap,
+ expectedTpi->typeArray(), tpiHashes, endPrecomp))
+ fatal("codeview::mergeTypeRecords failed: " + toString(std::move(err)));
// Merge IPI.
- if (MaybeIpi) {
- auto IpiHashes =
- GloballyHashedType::hashIds(MaybeIpi->typeArray(), TpiHashes);
- if (auto Err =
- mergeIdRecords(TMerger.GlobalIDTable, IndexMap.TPIMap,
- IndexMap.IPIMap, MaybeIpi->typeArray(), IpiHashes))
- fatal("codeview::mergeIdRecords failed: " + toString(std::move(Err)));
+ if (maybeIpi) {
+ auto ipiHashes =
+ GloballyHashedType::hashIds(maybeIpi->typeArray(), tpiHashes);
+ if (auto err =
+ mergeIdRecords(tMerger.globalIDTable, indexMap.tpiMap,
+ indexMap.ipiMap, maybeIpi->typeArray(), ipiHashes))
+ fatal("codeview::mergeIdRecords failed: " + toString(std::move(err)));
}
} else {
// Merge TPI first, because the IPI stream will reference type indices.
- if (auto Err = mergeTypeRecords(TMerger.TypeTable, IndexMap.TPIMap,
- ExpectedTpi->typeArray()))
- fatal("codeview::mergeTypeRecords failed: " + toString(std::move(Err)));
+ if (auto err = mergeTypeRecords(tMerger.typeTable, indexMap.tpiMap,
+ expectedTpi->typeArray()))
+ fatal("codeview::mergeTypeRecords failed: " + toString(std::move(err)));
// Merge IPI.
- if (MaybeIpi) {
- if (auto Err = mergeIdRecords(TMerger.IDTable, IndexMap.TPIMap,
- IndexMap.IPIMap, MaybeIpi->typeArray()))
- fatal("codeview::mergeIdRecords failed: " + toString(std::move(Err)));
+ if (maybeIpi) {
+ if (auto err = mergeIdRecords(tMerger.iDTable, indexMap.tpiMap,
+ indexMap.ipiMap, maybeIpi->typeArray()))
+ fatal("codeview::mergeIdRecords failed: " + toString(std::move(err)));
}
}
- return IndexMap;
+ return indexMap;
}
-Error PDBLinker::mergeInPrecompHeaderObj(ObjFile *File,
- CVIndexMap *ObjectIndexMap) {
- const PrecompRecord &Precomp =
- retrieveDependencyInfo<PrecompRecord>(File->DebugTypesObj);
+Error PDBLinker::mergeInPrecompHeaderObj(ObjFile *file,
+ CVIndexMap *objectIndexMap) {
+ const PrecompRecord &precomp =
+ retrieveDependencyInfo<PrecompRecord>(file->debugTypesObj);
- Expected<const CVIndexMap &> E = aquirePrecompObj(File);
- if (!E)
- return E.takeError();
+ Expected<const CVIndexMap &> e = aquirePrecompObj(file);
+ if (!e)
+ return e.takeError();
- const CVIndexMap &PrecompIndexMap = *E;
- assert(PrecompIndexMap.IsPrecompiledTypeMap);
+ const CVIndexMap &precompIndexMap = *e;
+ assert(precompIndexMap.isPrecompiledTypeMap);
- if (PrecompIndexMap.TPIMap.empty())
+ if (precompIndexMap.tpiMap.empty())
return Error::success();
- assert(Precomp.getStartTypeIndex() == TypeIndex::FirstNonSimpleIndex);
- assert(Precomp.getTypesCount() <= PrecompIndexMap.TPIMap.size());
+ assert(precomp.getStartTypeIndex() == TypeIndex::FirstNonSimpleIndex);
+ assert(precomp.getTypesCount() <= precompIndexMap.tpiMap.size());
// Use the previously remapped index map from the precompiled headers.
- ObjectIndexMap->TPIMap.append(PrecompIndexMap.TPIMap.begin(),
- PrecompIndexMap.TPIMap.begin() +
- Precomp.getTypesCount());
+ objectIndexMap->tpiMap.append(precompIndexMap.tpiMap.begin(),
+ precompIndexMap.tpiMap.begin() +
+ precomp.getTypesCount());
return Error::success();
}
@@ -515,103 +515,103 @@
}
// Find by name an OBJ provided on the command line
-static ObjFile *findObjByName(StringRef FileNameOnly) {
- SmallString<128> CurrentPath;
+static ObjFile *findObjByName(StringRef fileNameOnly) {
+ SmallString<128> currentPath;
- for (ObjFile *F : ObjFile::Instances) {
- StringRef CurrentFileName = sys::path::filename(F->getName());
+ for (ObjFile *f : ObjFile::instances) {
+ StringRef currentFileName = sys::path::filename(f->getName());
// Compare based solely on the file name (link.exe behavior)
- if (equals_path(CurrentFileName, FileNameOnly))
- return F;
+ if (equals_path(currentFileName, fileNameOnly))
+ return f;
}
return nullptr;
}
std::pair<CVIndexMap &, bool /*already there*/>
-PDBLinker::registerPrecompiledHeaders(uint32_t Signature) {
- auto Insertion = PrecompTypeIndexMappings.insert({Signature, CVIndexMap()});
- CVIndexMap &IndexMap = Insertion.first->second;
- if (!Insertion.second)
- return {IndexMap, true};
+PDBLinker::registerPrecompiledHeaders(uint32_t signature) {
+ auto insertion = precompTypeIndexMappings.insert({signature, CVIndexMap()});
+ CVIndexMap &indexMap = insertion.first->second;
+ if (!insertion.second)
+ return {indexMap, true};
// Mark this map as a precompiled types map.
- IndexMap.IsPrecompiledTypeMap = true;
- return {IndexMap, false};
+ indexMap.isPrecompiledTypeMap = true;
+ return {indexMap, false};
}
-Expected<const CVIndexMap &> PDBLinker::aquirePrecompObj(ObjFile *File) {
- const PrecompRecord &Precomp =
- retrieveDependencyInfo<PrecompRecord>(File->DebugTypesObj);
+Expected<const CVIndexMap &> PDBLinker::aquirePrecompObj(ObjFile *file) {
+ const PrecompRecord &precomp =
+ retrieveDependencyInfo<PrecompRecord>(file->debugTypesObj);
// First, check if we already loaded the precompiled headers object with this
// signature. Return the type index mapping if we've already seen it.
- auto R = registerPrecompiledHeaders(Precomp.getSignature());
- if (R.second)
- return R.first;
+ auto r = registerPrecompiledHeaders(precomp.getSignature());
+ if (r.second)
+ return r.first;
- CVIndexMap &IndexMap = R.first;
+ CVIndexMap &indexMap = r.first;
// Cross-compile warning: given that Clang doesn't generate LF_PRECOMP
// records, we assume the OBJ comes from a Windows build of cl.exe. Thusly,
// the paths embedded in the OBJs are in the Windows format.
- SmallString<128> PrecompFileName = sys::path::filename(
- Precomp.getPrecompFilePath(), sys::path::Style::windows);
+ SmallString<128> precompFileName = sys::path::filename(
+ precomp.getPrecompFilePath(), sys::path::Style::windows);
// link.exe requires that a precompiled headers object must always be provided
// on the command-line, even if that's not necessary.
- auto PrecompFile = findObjByName(PrecompFileName);
- if (!PrecompFile)
+ auto precompFile = findObjByName(precompFileName);
+ if (!precompFile)
return createFileError(
- PrecompFileName.str(),
+ precompFileName.str(),
make_error<pdb::PDBError>(pdb::pdb_error_code::external_cmdline_ref));
- addObjFile(PrecompFile, &IndexMap);
+ addObjFile(precompFile, &indexMap);
- if (!PrecompFile->PCHSignature)
- fatal(PrecompFile->getName() + " is not a precompiled headers object");
+ if (!precompFile->pchSignature)
+ fatal(precompFile->getName() + " is not a precompiled headers object");
- if (Precomp.getSignature() != PrecompFile->PCHSignature.getValueOr(0))
+ if (precomp.getSignature() != precompFile->pchSignature.getValueOr(0))
return createFileError(
- Precomp.getPrecompFilePath().str(),
+ precomp.getPrecompFilePath().str(),
make_error<pdb::PDBError>(pdb::pdb_error_code::signature_out_of_date));
- return IndexMap;
+ return indexMap;
}
-static bool remapTypeIndex(TypeIndex &TI, ArrayRef<TypeIndex> TypeIndexMap) {
- if (TI.isSimple())
+static bool remapTypeIndex(TypeIndex &ti, ArrayRef<TypeIndex> typeIndexMap) {
+ if (ti.isSimple())
return true;
- if (TI.toArrayIndex() >= TypeIndexMap.size())
+ if (ti.toArrayIndex() >= typeIndexMap.size())
return false;
- TI = TypeIndexMap[TI.toArrayIndex()];
+ ti = typeIndexMap[ti.toArrayIndex()];
return true;
}
-static void remapTypesInSymbolRecord(ObjFile *File, SymbolKind SymKind,
- MutableArrayRef<uint8_t> RecordBytes,
- const CVIndexMap &IndexMap,
- ArrayRef<TiReference> TypeRefs) {
- MutableArrayRef<uint8_t> Contents =
- RecordBytes.drop_front(sizeof(RecordPrefix));
- for (const TiReference &Ref : TypeRefs) {
- unsigned ByteSize = Ref.Count * sizeof(TypeIndex);
- if (Contents.size() < Ref.Offset + ByteSize)
+static void remapTypesInSymbolRecord(ObjFile *file, SymbolKind symKind,
+ MutableArrayRef<uint8_t> recordBytes,
+ const CVIndexMap &indexMap,
+ ArrayRef<TiReference> typeRefs) {
+ MutableArrayRef<uint8_t> contents =
+ recordBytes.drop_front(sizeof(RecordPrefix));
+ for (const TiReference &ref : typeRefs) {
+ unsigned byteSize = ref.Count * sizeof(TypeIndex);
+ if (contents.size() < ref.Offset + byteSize)
fatal("symbol record too short");
// This can be an item index or a type index. Choose the appropriate map.
- ArrayRef<TypeIndex> TypeOrItemMap = IndexMap.TPIMap;
- bool IsItemIndex = Ref.Kind == TiRefKind::IndexRef;
- if (IsItemIndex && IndexMap.IsTypeServerMap)
- TypeOrItemMap = IndexMap.IPIMap;
+ ArrayRef<TypeIndex> typeOrItemMap = indexMap.tpiMap;
+ bool isItemIndex = ref.Kind == TiRefKind::IndexRef;
+ if (isItemIndex && indexMap.isTypeServerMap)
+ typeOrItemMap = indexMap.ipiMap;
- MutableArrayRef<TypeIndex> TIs(
- reinterpret_cast<TypeIndex *>(Contents.data() + Ref.Offset), Ref.Count);
- for (TypeIndex &TI : TIs) {
- if (!remapTypeIndex(TI, TypeOrItemMap)) {
- log("ignoring symbol record of kind 0x" + utohexstr(SymKind) + " in " +
- File->getName() + " with bad " + (IsItemIndex ? "item" : "type") +
- " index 0x" + utohexstr(TI.getIndex()));
- TI = TypeIndex(SimpleTypeKind::NotTranslated);
+ MutableArrayRef<TypeIndex> tIs(
+ reinterpret_cast<TypeIndex *>(contents.data() + ref.Offset), ref.Count);
+ for (TypeIndex &ti : tIs) {
+ if (!remapTypeIndex(ti, typeOrItemMap)) {
+ log("ignoring symbol record of kind 0x" + utohexstr(symKind) + " in " +
+ file->getName() + " with bad " + (isItemIndex ? "item" : "type") +
+ " index 0x" + utohexstr(ti.getIndex()));
+ ti = TypeIndex(SimpleTypeKind::NotTranslated);
continue;
}
}
@@ -619,26 +619,26 @@
}
static void
-recordStringTableReferenceAtOffset(MutableArrayRef<uint8_t> Contents,
- uint32_t Offset,
- std::vector<ulittle32_t *> &StrTableRefs) {
- Contents =
- Contents.drop_front(Offset).take_front(sizeof(support::ulittle32_t));
- ulittle32_t *Index = reinterpret_cast<ulittle32_t *>(Contents.data());
- StrTableRefs.push_back(Index);
+recordStringTableReferenceAtOffset(MutableArrayRef<uint8_t> contents,
+ uint32_t offset,
+ std::vector<ulittle32_t *> &strTableRefs) {
+ contents =
+ contents.drop_front(offset).take_front(sizeof(support::ulittle32_t));
+ ulittle32_t *index = reinterpret_cast<ulittle32_t *>(contents.data());
+ strTableRefs.push_back(index);
}
static void
-recordStringTableReferences(SymbolKind Kind, MutableArrayRef<uint8_t> Contents,
- std::vector<ulittle32_t *> &StrTableRefs) {
+recordStringTableReferences(SymbolKind kind, MutableArrayRef<uint8_t> contents,
+ std::vector<ulittle32_t *> &strTableRefs) {
// For now we only handle S_FILESTATIC, but we may need the same logic for
// S_DEFRANGE and S_DEFRANGE_SUBFIELD. However, I cannot seem to generate any
// PDBs that contain these types of records, so because of the uncertainty
// they are omitted here until we can prove that it's necessary.
- switch (Kind) {
+ switch (kind) {
case SymbolKind::S_FILESTATIC:
// FileStaticSym::ModFileOffset
- recordStringTableReferenceAtOffset(Contents, 8, StrTableRefs);
+ recordStringTableReferenceAtOffset(contents, 8, strTableRefs);
break;
case SymbolKind::S_DEFRANGE:
case SymbolKind::S_DEFRANGE_SUBFIELD:
@@ -650,21 +650,21 @@
}
}
-static SymbolKind symbolKind(ArrayRef<uint8_t> RecordData) {
- const RecordPrefix *Prefix =
- reinterpret_cast<const RecordPrefix *>(RecordData.data());
- return static_cast<SymbolKind>(uint16_t(Prefix->RecordKind));
+static SymbolKind symbolKind(ArrayRef<uint8_t> recordData) {
+ const RecordPrefix *prefix =
+ reinterpret_cast<const RecordPrefix *>(recordData.data());
+ return static_cast<SymbolKind>(uint16_t(prefix->RecordKind));
}
/// MSVC translates S_PROC_ID_END to S_END, and S_[LG]PROC32_ID to S_[LG]PROC32
-static void translateIdSymbols(MutableArrayRef<uint8_t> &RecordData,
- TypeCollection &IDTable) {
- RecordPrefix *Prefix = reinterpret_cast<RecordPrefix *>(RecordData.data());
+static void translateIdSymbols(MutableArrayRef<uint8_t> &recordData,
+ TypeCollection &iDTable) {
+ RecordPrefix *prefix = reinterpret_cast<RecordPrefix *>(recordData.data());
- SymbolKind Kind = symbolKind(RecordData);
+ SymbolKind kind = symbolKind(recordData);
- if (Kind == SymbolKind::S_PROC_ID_END) {
- Prefix->RecordKind = SymbolKind::S_END;
+ if (kind == SymbolKind::S_PROC_ID_END) {
+ prefix->RecordKind = SymbolKind::S_END;
return;
}
@@ -673,89 +673,89 @@
// to the PDB file's ID stream index space, but we need to convert this to a
// symbol that refers to the type stream index space. So we remap again from
// ID index space to type index space.
- if (Kind == SymbolKind::S_GPROC32_ID || Kind == SymbolKind::S_LPROC32_ID) {
- SmallVector<TiReference, 1> Refs;
- auto Content = RecordData.drop_front(sizeof(RecordPrefix));
- CVSymbol Sym(RecordData);
- discoverTypeIndicesInSymbol(Sym, Refs);
- assert(Refs.size() == 1);
- assert(Refs.front().Count == 1);
+ if (kind == SymbolKind::S_GPROC32_ID || kind == SymbolKind::S_LPROC32_ID) {
+ SmallVector<TiReference, 1> refs;
+ auto content = recordData.drop_front(sizeof(RecordPrefix));
+ CVSymbol sym(recordData);
+ discoverTypeIndicesInSymbol(sym, refs);
+ assert(refs.size() == 1);
+ assert(refs.front().Count == 1);
- TypeIndex *TI =
- reinterpret_cast<TypeIndex *>(Content.data() + Refs[0].Offset);
+ TypeIndex *ti =
+ reinterpret_cast<TypeIndex *>(content.data() + refs[0].Offset);
// `TI` is the index of a FuncIdRecord or MemberFuncIdRecord which lives in
// the IPI stream, whose `FunctionType` member refers to the TPI stream.
// Note that LF_FUNC_ID and LF_MEMFUNC_ID have the same record layout, and
// in both cases we just need the second type index.
- if (!TI->isSimple() && !TI->isNoneType()) {
- CVType FuncIdData = IDTable.getType(*TI);
- SmallVector<TypeIndex, 2> Indices;
- discoverTypeIndices(FuncIdData, Indices);
- assert(Indices.size() == 2);
- *TI = Indices[1];
+ if (!ti->isSimple() && !ti->isNoneType()) {
+ CVType funcIdData = iDTable.getType(*ti);
+ SmallVector<TypeIndex, 2> indices;
+ discoverTypeIndices(funcIdData, indices);
+ assert(indices.size() == 2);
+ *ti = indices[1];
}
- Kind = (Kind == SymbolKind::S_GPROC32_ID) ? SymbolKind::S_GPROC32
+ kind = (kind == SymbolKind::S_GPROC32_ID) ? SymbolKind::S_GPROC32
: SymbolKind::S_LPROC32;
- Prefix->RecordKind = uint16_t(Kind);
+ prefix->RecordKind = uint16_t(kind);
}
}
/// Copy the symbol record. In a PDB, symbol records must be 4 byte aligned.
/// The object file may not be aligned.
static MutableArrayRef<uint8_t>
-copyAndAlignSymbol(const CVSymbol &Sym, MutableArrayRef<uint8_t> &AlignedMem) {
- size_t Size = alignTo(Sym.length(), alignOf(CodeViewContainer::Pdb));
- assert(Size >= 4 && "record too short");
- assert(Size <= MaxRecordLength && "record too long");
- assert(AlignedMem.size() >= Size && "didn't preallocate enough");
+copyAndAlignSymbol(const CVSymbol &sym, MutableArrayRef<uint8_t> &alignedMem) {
+ size_t size = alignTo(sym.length(), alignOf(CodeViewContainer::Pdb));
+ assert(size >= 4 && "record too short");
+ assert(size <= MaxRecordLength && "record too long");
+ assert(alignedMem.size() >= size && "didn't preallocate enough");
// Copy the symbol record and zero out any padding bytes.
- MutableArrayRef<uint8_t> NewData = AlignedMem.take_front(Size);
- AlignedMem = AlignedMem.drop_front(Size);
- memcpy(NewData.data(), Sym.data().data(), Sym.length());
- memset(NewData.data() + Sym.length(), 0, Size - Sym.length());
+ MutableArrayRef<uint8_t> newData = alignedMem.take_front(size);
+ alignedMem = alignedMem.drop_front(size);
+ memcpy(newData.data(), sym.data().data(), sym.length());
+ memset(newData.data() + sym.length(), 0, size - sym.length());
// Update the record prefix length. It should point to the beginning of the
// next record.
- auto *Prefix = reinterpret_cast<RecordPrefix *>(NewData.data());
- Prefix->RecordLen = Size - 2;
- return NewData;
+ auto *prefix = reinterpret_cast<RecordPrefix *>(newData.data());
+ prefix->RecordLen = size - 2;
+ return newData;
}
struct ScopeRecord {
- ulittle32_t PtrParent;
- ulittle32_t PtrEnd;
+ ulittle32_t ptrParent;
+ ulittle32_t ptrEnd;
};
struct SymbolScope {
- ScopeRecord *OpeningRecord;
- uint32_t ScopeOffset;
+ ScopeRecord *openingRecord;
+ uint32_t scopeOffset;
};
-static void scopeStackOpen(SmallVectorImpl<SymbolScope> &Stack,
- uint32_t CurOffset, CVSymbol &Sym) {
- assert(symbolOpensScope(Sym.kind()));
- SymbolScope S;
- S.ScopeOffset = CurOffset;
- S.OpeningRecord = const_cast<ScopeRecord *>(
- reinterpret_cast<const ScopeRecord *>(Sym.content().data()));
- S.OpeningRecord->PtrParent = Stack.empty() ? 0 : Stack.back().ScopeOffset;
- Stack.push_back(S);
+static void scopeStackOpen(SmallVectorImpl<SymbolScope> &stack,
+ uint32_t curOffset, CVSymbol &sym) {
+ assert(symbolOpensScope(sym.kind()));
+ SymbolScope s;
+ s.scopeOffset = curOffset;
+ s.openingRecord = const_cast<ScopeRecord *>(
+ reinterpret_cast<const ScopeRecord *>(sym.content().data()));
+ s.openingRecord->ptrParent = stack.empty() ? 0 : stack.back().scopeOffset;
+ stack.push_back(s);
}
-static void scopeStackClose(SmallVectorImpl<SymbolScope> &Stack,
- uint32_t CurOffset, InputFile *File) {
- if (Stack.empty()) {
- warn("symbol scopes are not balanced in " + File->getName());
+static void scopeStackClose(SmallVectorImpl<SymbolScope> &stack,
+ uint32_t curOffset, InputFile *file) {
+ if (stack.empty()) {
+ warn("symbol scopes are not balanced in " + file->getName());
return;
}
- SymbolScope S = Stack.pop_back_val();
- S.OpeningRecord->PtrEnd = CurOffset;
+ SymbolScope s = stack.pop_back_val();
+ s.openingRecord->ptrEnd = curOffset;
}
-static bool symbolGoesInModuleStream(const CVSymbol &Sym, bool IsGlobalScope) {
- switch (Sym.kind()) {
+static bool symbolGoesInModuleStream(const CVSymbol &sym, bool isGlobalScope) {
+ switch (sym.kind()) {
case SymbolKind::S_GDATA32:
case SymbolKind::S_CONSTANT:
// We really should not be seeing S_PROCREF and S_LPROCREF in the first place
@@ -767,7 +767,7 @@
return false;
// S_UDT records go in the module stream if it is not a global S_UDT.
case SymbolKind::S_UDT:
- return !IsGlobalScope;
+ return !isGlobalScope;
// S_GDATA32 does not go in the module stream, but S_LDATA32 does.
case SymbolKind::S_LDATA32:
default:
@@ -775,8 +775,8 @@
}
}
-static bool symbolGoesInGlobalsStream(const CVSymbol &Sym, bool IsGlobalScope) {
- switch (Sym.kind()) {
+static bool symbolGoesInGlobalsStream(const CVSymbol &sym, bool isGlobalScope) {
+ switch (sym.kind()) {
case SymbolKind::S_CONSTANT:
case SymbolKind::S_GDATA32:
// S_LDATA32 goes in both the module stream and the globals stream.
@@ -791,36 +791,36 @@
return true;
// S_UDT records go in the globals stream if it is a global S_UDT.
case SymbolKind::S_UDT:
- return IsGlobalScope;
+ return isGlobalScope;
default:
return false;
}
}
-static void addGlobalSymbol(pdb::GSIStreamBuilder &Builder, uint16_t ModIndex,
- unsigned SymOffset, const CVSymbol &Sym) {
- switch (Sym.kind()) {
+static void addGlobalSymbol(pdb::GSIStreamBuilder &builder, uint16_t modIndex,
+ unsigned symOffset, const CVSymbol &sym) {
+ switch (sym.kind()) {
case SymbolKind::S_CONSTANT:
case SymbolKind::S_UDT:
case SymbolKind::S_GDATA32:
case SymbolKind::S_LDATA32:
case SymbolKind::S_PROCREF:
case SymbolKind::S_LPROCREF:
- Builder.addGlobalSymbol(Sym);
+ builder.addGlobalSymbol(sym);
break;
case SymbolKind::S_GPROC32:
case SymbolKind::S_LPROC32: {
- SymbolRecordKind K = SymbolRecordKind::ProcRefSym;
- if (Sym.kind() == SymbolKind::S_LPROC32)
- K = SymbolRecordKind::LocalProcRef;
- ProcRefSym PS(K);
- PS.Module = ModIndex;
+ SymbolRecordKind k = SymbolRecordKind::ProcRefSym;
+ if (sym.kind() == SymbolKind::S_LPROC32)
+ k = SymbolRecordKind::LocalProcRef;
+ ProcRefSym ps(k);
+ ps.Module = modIndex;
// For some reason, MSVC seems to add one to this value.
- ++PS.Module;
- PS.Name = getSymbolName(Sym);
- PS.SumName = 0;
- PS.SymOffset = SymOffset;
- Builder.addGlobalSymbol(PS);
+ ++ps.Module;
+ ps.Name = getSymbolName(sym);
+ ps.SumName = 0;
+ ps.SymOffset = symOffset;
+ builder.addGlobalSymbol(ps);
break;
}
default:
@@ -828,219 +828,219 @@
}
}
-void PDBLinker::mergeSymbolRecords(ObjFile *File, const CVIndexMap &IndexMap,
- std::vector<ulittle32_t *> &StringTableRefs,
- BinaryStreamRef SymData) {
- ArrayRef<uint8_t> SymsBuffer;
- cantFail(SymData.readBytes(0, SymData.getLength(), SymsBuffer));
- SmallVector<SymbolScope, 4> Scopes;
+void PDBLinker::mergeSymbolRecords(ObjFile *file, const CVIndexMap &indexMap,
+ std::vector<ulittle32_t *> &stringTableRefs,
+ BinaryStreamRef symData) {
+ ArrayRef<uint8_t> symsBuffer;
+ cantFail(symData.readBytes(0, symData.getLength(), symsBuffer));
+ SmallVector<SymbolScope, 4> scopes;
// Iterate every symbol to check if any need to be realigned, and if so, how
// much space we need to allocate for them.
- bool NeedsRealignment = false;
- unsigned TotalRealignedSize = 0;
- auto EC = forEachCodeViewRecord<CVSymbol>(
- SymsBuffer, [&](CVSymbol Sym) -> llvm::Error {
- unsigned RealignedSize =
- alignTo(Sym.length(), alignOf(CodeViewContainer::Pdb));
- NeedsRealignment |= RealignedSize != Sym.length();
- TotalRealignedSize += RealignedSize;
+ bool needsRealignment = false;
+ unsigned totalRealignedSize = 0;
+ auto ec = forEachCodeViewRecord<CVSymbol>(
+ symsBuffer, [&](CVSymbol sym) -> llvm::Error {
+ unsigned realignedSize =
+ alignTo(sym.length(), alignOf(CodeViewContainer::Pdb));
+ needsRealignment |= realignedSize != sym.length();
+ totalRealignedSize += realignedSize;
return Error::success();
});
// If any of the symbol record lengths was corrupt, ignore them all, warn
// about it, and move on.
- if (EC) {
- warn("corrupt symbol records in " + File->getName());
- consumeError(std::move(EC));
+ if (ec) {
+ warn("corrupt symbol records in " + file->getName());
+ consumeError(std::move(ec));
return;
}
// If any symbol needed realignment, allocate enough contiguous memory for
// them all. Typically symbol subsections are small enough that this will not
// cause fragmentation.
- MutableArrayRef<uint8_t> AlignedSymbolMem;
- if (NeedsRealignment) {
- void *AlignedData =
- Alloc.Allocate(TotalRealignedSize, alignOf(CodeViewContainer::Pdb));
- AlignedSymbolMem = makeMutableArrayRef(
- reinterpret_cast<uint8_t *>(AlignedData), TotalRealignedSize);
+ MutableArrayRef<uint8_t> alignedSymbolMem;
+ if (needsRealignment) {
+ void *alignedData =
+ alloc.Allocate(totalRealignedSize, alignOf(CodeViewContainer::Pdb));
+ alignedSymbolMem = makeMutableArrayRef(
+ reinterpret_cast<uint8_t *>(alignedData), totalRealignedSize);
}
// Iterate again, this time doing the real work.
- unsigned CurSymOffset = File->ModuleDBI->getNextSymbolOffset();
- ArrayRef<uint8_t> BulkSymbols;
+ unsigned curSymOffset = file->moduleDBI->getNextSymbolOffset();
+ ArrayRef<uint8_t> bulkSymbols;
cantFail(forEachCodeViewRecord<CVSymbol>(
- SymsBuffer, [&](CVSymbol Sym) -> llvm::Error {
+ symsBuffer, [&](CVSymbol sym) -> llvm::Error {
// Align the record if required.
- MutableArrayRef<uint8_t> RecordBytes;
- if (NeedsRealignment) {
- RecordBytes = copyAndAlignSymbol(Sym, AlignedSymbolMem);
- Sym = CVSymbol(RecordBytes);
+ MutableArrayRef<uint8_t> recordBytes;
+ if (needsRealignment) {
+ recordBytes = copyAndAlignSymbol(sym, alignedSymbolMem);
+ sym = CVSymbol(recordBytes);
} else {
// Otherwise, we can actually mutate the symbol directly, since we
// copied it to apply relocations.
- RecordBytes = makeMutableArrayRef(
- const_cast<uint8_t *>(Sym.data().data()), Sym.length());
+ recordBytes = makeMutableArrayRef(
+ const_cast<uint8_t *>(sym.data().data()), sym.length());
}
// Discover type index references in the record. Skip it if we don't
// know where they are.
- SmallVector<TiReference, 32> TypeRefs;
- if (!discoverTypeIndicesInSymbol(Sym, TypeRefs)) {
+ SmallVector<TiReference, 32> typeRefs;
+ if (!discoverTypeIndicesInSymbol(sym, typeRefs)) {
log("ignoring unknown symbol record with kind 0x" +
- utohexstr(Sym.kind()));
+ utohexstr(sym.kind()));
return Error::success();
}
// Re-map all the type index references.
- remapTypesInSymbolRecord(File, Sym.kind(), RecordBytes, IndexMap,
- TypeRefs);
+ remapTypesInSymbolRecord(file, sym.kind(), recordBytes, indexMap,
+ typeRefs);
// An object file may have S_xxx_ID symbols, but these get converted to
// "real" symbols in a PDB.
- translateIdSymbols(RecordBytes, TMerger.getIDTable());
- Sym = CVSymbol(RecordBytes);
+ translateIdSymbols(recordBytes, tMerger.getIDTable());
+ sym = CVSymbol(recordBytes);
// If this record refers to an offset in the object file's string table,
// add that item to the global PDB string table and re-write the index.
- recordStringTableReferences(Sym.kind(), RecordBytes, StringTableRefs);
+ recordStringTableReferences(sym.kind(), recordBytes, stringTableRefs);
// Fill in "Parent" and "End" fields by maintaining a stack of scopes.
- if (symbolOpensScope(Sym.kind()))
- scopeStackOpen(Scopes, CurSymOffset, Sym);
- else if (symbolEndsScope(Sym.kind()))
- scopeStackClose(Scopes, CurSymOffset, File);
+ if (symbolOpensScope(sym.kind()))
+ scopeStackOpen(scopes, curSymOffset, sym);
+ else if (symbolEndsScope(sym.kind()))
+ scopeStackClose(scopes, curSymOffset, file);
// Add the symbol to the globals stream if necessary. Do this before
// adding the symbol to the module since we may need to get the next
// symbol offset, and writing to the module's symbol stream will update
// that offset.
- if (symbolGoesInGlobalsStream(Sym, Scopes.empty())) {
- addGlobalSymbol(Builder.getGsiBuilder(),
- File->ModuleDBI->getModuleIndex(), CurSymOffset, Sym);
- ++GlobalSymbols;
+ if (symbolGoesInGlobalsStream(sym, scopes.empty())) {
+ addGlobalSymbol(builder.getGsiBuilder(),
+ file->moduleDBI->getModuleIndex(), curSymOffset, sym);
+ ++globalSymbols;
}
- if (symbolGoesInModuleStream(Sym, Scopes.empty())) {
+ if (symbolGoesInModuleStream(sym, scopes.empty())) {
// Add symbols to the module in bulk. If this symbol is contiguous
// with the previous run of symbols to add, combine the ranges. If
// not, close the previous range of symbols and start a new one.
- if (Sym.data().data() == BulkSymbols.end()) {
- BulkSymbols = makeArrayRef(BulkSymbols.data(),
- BulkSymbols.size() + Sym.length());
+ if (sym.data().data() == bulkSymbols.end()) {
+ bulkSymbols = makeArrayRef(bulkSymbols.data(),
+ bulkSymbols.size() + sym.length());
} else {
- File->ModuleDBI->addSymbolsInBulk(BulkSymbols);
- BulkSymbols = RecordBytes;
+ file->moduleDBI->addSymbolsInBulk(bulkSymbols);
+ bulkSymbols = recordBytes;
}
- CurSymOffset += Sym.length();
- ++ModuleSymbols;
+ curSymOffset += sym.length();
+ ++moduleSymbols;
}
return Error::success();
}));
// Add any remaining symbols we've accumulated.
- File->ModuleDBI->addSymbolsInBulk(BulkSymbols);
+ file->moduleDBI->addSymbolsInBulk(bulkSymbols);
}
// Allocate memory for a .debug$S / .debug$F section and relocate it.
-static ArrayRef<uint8_t> relocateDebugChunk(BumpPtrAllocator &Alloc,
- SectionChunk &DebugChunk) {
- uint8_t *Buffer = Alloc.Allocate<uint8_t>(DebugChunk.getSize());
- assert(DebugChunk.getOutputSectionIdx() == 0 &&
+static ArrayRef<uint8_t> relocateDebugChunk(BumpPtrAllocator &alloc,
+ SectionChunk &debugChunk) {
+ uint8_t *buffer = alloc.Allocate<uint8_t>(debugChunk.getSize());
+ assert(debugChunk.getOutputSectionIdx() == 0 &&
"debug sections should not be in output sections");
- DebugChunk.writeTo(Buffer);
- return makeArrayRef(Buffer, DebugChunk.getSize());
+ debugChunk.writeTo(buffer);
+ return makeArrayRef(buffer, debugChunk.getSize());
}
-static pdb::SectionContrib createSectionContrib(const Chunk *C, uint32_t Modi) {
- OutputSection *OS = C ? C->getOutputSection() : nullptr;
- pdb::SectionContrib SC;
- memset(&SC, 0, sizeof(SC));
- SC.ISect = OS ? OS->SectionIndex : llvm::pdb::kInvalidStreamIndex;
- SC.Off = C && OS ? C->getRVA() - OS->getRVA() : 0;
- SC.Size = C ? C->getSize() : -1;
- if (auto *SecChunk = dyn_cast_or_null<SectionChunk>(C)) {
- SC.Characteristics = SecChunk->Header->Characteristics;
- SC.Imod = SecChunk->File->ModuleDBI->getModuleIndex();
- ArrayRef<uint8_t> Contents = SecChunk->getContents();
- JamCRC CRC(0);
- ArrayRef<char> CharContents = makeArrayRef(
- reinterpret_cast<const char *>(Contents.data()), Contents.size());
- CRC.update(CharContents);
- SC.DataCrc = CRC.getCRC();
+static pdb::SectionContrib createSectionContrib(const Chunk *c, uint32_t modi) {
+ OutputSection *os = c ? c->getOutputSection() : nullptr;
+ pdb::SectionContrib sc;
+ memset(&sc, 0, sizeof(sc));
+ sc.ISect = os ? os->sectionIndex : llvm::pdb::kInvalidStreamIndex;
+ sc.Off = c && os ? c->getRVA() - os->getRVA() : 0;
+ sc.Size = c ? c->getSize() : -1;
+ if (auto *secChunk = dyn_cast_or_null<SectionChunk>(c)) {
+ sc.Characteristics = secChunk->header->Characteristics;
+ sc.Imod = secChunk->file->moduleDBI->getModuleIndex();
+ ArrayRef<uint8_t> contents = secChunk->getContents();
+ JamCRC crc(0);
+ ArrayRef<char> charContents = makeArrayRef(
+ reinterpret_cast<const char *>(contents.data()), contents.size());
+ crc.update(charContents);
+ sc.DataCrc = crc.getCRC();
} else {
- SC.Characteristics = OS ? OS->Header.Characteristics : 0;
- SC.Imod = Modi;
+ sc.Characteristics = os ? os->header.Characteristics : 0;
+ sc.Imod = modi;
}
- SC.RelocCrc = 0; // FIXME
+ sc.RelocCrc = 0; // FIXME
- return SC;
+ return sc;
}
static uint32_t
-translateStringTableIndex(uint32_t ObjIndex,
- const DebugStringTableSubsectionRef &ObjStrTable,
- DebugStringTableSubsection &PdbStrTable) {
- auto ExpectedString = ObjStrTable.getString(ObjIndex);
- if (!ExpectedString) {
+translateStringTableIndex(uint32_t objIndex,
+ const DebugStringTableSubsectionRef &objStrTable,
+ DebugStringTableSubsection &pdbStrTable) {
+ auto expectedString = objStrTable.getString(objIndex);
+ if (!expectedString) {
warn("Invalid string table reference");
- consumeError(ExpectedString.takeError());
+ consumeError(expectedString.takeError());
return 0;
}
- return PdbStrTable.insert(*ExpectedString);
+ return pdbStrTable.insert(*expectedString);
}
-void DebugSHandler::handleDebugS(lld::coff::SectionChunk &DebugS) {
- DebugSubsectionArray Subsections;
+void DebugSHandler::handleDebugS(lld::coff::SectionChunk &debugS) {
+ DebugSubsectionArray subsections;
- ArrayRef<uint8_t> RelocatedDebugContents = SectionChunk::consumeDebugMagic(
- relocateDebugChunk(Linker.Alloc, DebugS), DebugS.getSectionName());
+ ArrayRef<uint8_t> relocatedDebugContents = SectionChunk::consumeDebugMagic(
+ relocateDebugChunk(linker.alloc, debugS), debugS.getSectionName());
- BinaryStreamReader Reader(RelocatedDebugContents, support::little);
- ExitOnErr(Reader.readArray(Subsections, RelocatedDebugContents.size()));
+ BinaryStreamReader reader(relocatedDebugContents, support::little);
+ exitOnErr(reader.readArray(subsections, relocatedDebugContents.size()));
- for (const DebugSubsectionRecord &SS : Subsections) {
+ for (const DebugSubsectionRecord &ss : subsections) {
// Ignore subsections with the 'ignore' bit. Some versions of the Visual C++
// runtime have subsections with this bit set.
- if (uint32_t(SS.kind()) & codeview::SubsectionIgnoreFlag)
+ if (uint32_t(ss.kind()) & codeview::SubsectionIgnoreFlag)
continue;
- switch (SS.kind()) {
+ switch (ss.kind()) {
case DebugSubsectionKind::StringTable: {
- assert(!CVStrTab.valid() &&
+ assert(!cVStrTab.valid() &&
"Encountered multiple string table subsections!");
- ExitOnErr(CVStrTab.initialize(SS.getRecordData()));
+ exitOnErr(cVStrTab.initialize(ss.getRecordData()));
break;
}
case DebugSubsectionKind::FileChecksums:
- assert(!Checksums.valid() &&
+ assert(!checksums.valid() &&
"Encountered multiple checksum subsections!");
- ExitOnErr(Checksums.initialize(SS.getRecordData()));
+ exitOnErr(checksums.initialize(ss.getRecordData()));
break;
case DebugSubsectionKind::Lines:
// We can add the relocated line table directly to the PDB without
// modification because the file checksum offsets will stay the same.
- File.ModuleDBI->addDebugSubsection(SS);
+ file.moduleDBI->addDebugSubsection(ss);
break;
case DebugSubsectionKind::InlineeLines:
- assert(!InlineeLines.valid() &&
+ assert(!inlineeLines.valid() &&
"Encountered multiple inlinee lines subsections!");
- ExitOnErr(InlineeLines.initialize(SS.getRecordData()));
+ exitOnErr(inlineeLines.initialize(ss.getRecordData()));
break;
case DebugSubsectionKind::FrameData: {
// We need to re-write string table indices here, so save off all
// frame data subsections until we've processed the entire list of
// subsections so that we can be sure we have the string table.
- DebugFrameDataSubsectionRef FDS;
- ExitOnErr(FDS.initialize(SS.getRecordData()));
- NewFpoFrames.push_back(std::move(FDS));
+ DebugFrameDataSubsectionRef fds;
+ exitOnErr(fds.initialize(ss.getRecordData()));
+ newFpoFrames.push_back(std::move(fds));
break;
}
case DebugSubsectionKind::Symbols: {
- Linker.mergeSymbolRecords(&File, IndexMap, StringTableReferences,
- SS.getRecordData());
+ linker.mergeSymbolRecords(&file, indexMap, stringTableReferences,
+ ss.getRecordData());
break;
}
@@ -1063,69 +1063,69 @@
default:
warn("ignoring unknown debug$S subsection kind 0x" +
- utohexstr(uint32_t(SS.kind())) + " in file " + toString(&File));
+ utohexstr(uint32_t(ss.kind())) + " in file " + toString(&file));
break;
}
}
}
static Expected<StringRef>
-getFileName(const DebugStringTableSubsectionRef &Strings,
- const DebugChecksumsSubsectionRef &Checksums, uint32_t FileID) {
- auto Iter = Checksums.getArray().at(FileID);
- if (Iter == Checksums.getArray().end())
+getFileName(const DebugStringTableSubsectionRef &strings,
+ const DebugChecksumsSubsectionRef &checksums, uint32_t fileID) {
+ auto iter = checksums.getArray().at(fileID);
+ if (iter == checksums.getArray().end())
return make_error<CodeViewError>(cv_error_code::no_records);
- uint32_t Offset = Iter->FileNameOffset;
- return Strings.getString(Offset);
+ uint32_t offset = iter->FileNameOffset;
+ return strings.getString(offset);
}
std::shared_ptr<DebugInlineeLinesSubsection>
-DebugSHandler::mergeInlineeLines(DebugChecksumsSubsection *NewChecksums) {
- auto NewInlineeLines = std::make_shared<DebugInlineeLinesSubsection>(
- *NewChecksums, InlineeLines.hasExtraFiles());
+DebugSHandler::mergeInlineeLines(DebugChecksumsSubsection *newChecksums) {
+ auto newInlineeLines = std::make_shared<DebugInlineeLinesSubsection>(
+ *newChecksums, inlineeLines.hasExtraFiles());
- for (const InlineeSourceLine &Line : InlineeLines) {
- TypeIndex Inlinee = Line.Header->Inlinee;
- uint32_t FileID = Line.Header->FileID;
- uint32_t SourceLine = Line.Header->SourceLineNum;
+ for (const InlineeSourceLine &line : inlineeLines) {
+ TypeIndex inlinee = line.Header->Inlinee;
+ uint32_t fileID = line.Header->FileID;
+ uint32_t sourceLine = line.Header->SourceLineNum;
- ArrayRef<TypeIndex> TypeOrItemMap =
- IndexMap.IsTypeServerMap ? IndexMap.IPIMap : IndexMap.TPIMap;
- if (!remapTypeIndex(Inlinee, TypeOrItemMap)) {
- log("ignoring inlinee line record in " + File.getName() +
- " with bad inlinee index 0x" + utohexstr(Inlinee.getIndex()));
+ ArrayRef<TypeIndex> typeOrItemMap =
+ indexMap.isTypeServerMap ? indexMap.ipiMap : indexMap.tpiMap;
+ if (!remapTypeIndex(inlinee, typeOrItemMap)) {
+ log("ignoring inlinee line record in " + file.getName() +
+ " with bad inlinee index 0x" + utohexstr(inlinee.getIndex()));
continue;
}
- SmallString<128> Filename =
- ExitOnErr(getFileName(CVStrTab, Checksums, FileID));
- pdbMakeAbsolute(Filename);
- NewInlineeLines->addInlineSite(Inlinee, Filename, SourceLine);
+ SmallString<128> filename =
+ exitOnErr(getFileName(cVStrTab, checksums, fileID));
+ pdbMakeAbsolute(filename);
+ newInlineeLines->addInlineSite(inlinee, filename, sourceLine);
- if (InlineeLines.hasExtraFiles()) {
- for (uint32_t ExtraFileId : Line.ExtraFiles) {
- Filename = ExitOnErr(getFileName(CVStrTab, Checksums, ExtraFileId));
- pdbMakeAbsolute(Filename);
- NewInlineeLines->addExtraFile(Filename);
+ if (inlineeLines.hasExtraFiles()) {
+ for (uint32_t extraFileId : line.ExtraFiles) {
+ filename = exitOnErr(getFileName(cVStrTab, checksums, extraFileId));
+ pdbMakeAbsolute(filename);
+ newInlineeLines->addExtraFile(filename);
}
}
}
- return NewInlineeLines;
+ return newInlineeLines;
}
void DebugSHandler::finish() {
- pdb::DbiStreamBuilder &DbiBuilder = Linker.Builder.getDbiBuilder();
+ pdb::DbiStreamBuilder &dbiBuilder = linker.builder.getDbiBuilder();
// We should have seen all debug subsections across the entire object file now
// which means that if a StringTable subsection and Checksums subsection were
// present, now is the time to handle them.
- if (!CVStrTab.valid()) {
- if (Checksums.valid())
+ if (!cVStrTab.valid()) {
+ if (checksums.valid())
fatal(".debug$S sections with a checksums subsection must also contain a "
"string table subsection");
- if (!StringTableReferences.empty())
+ if (!stringTableReferences.empty())
warn("No StringTable subsection was encountered, but there are string "
"table references");
return;
@@ -1133,231 +1133,231 @@
// Rewrite string table indices in the Fpo Data and symbol records to refer to
// the global PDB string table instead of the object file string table.
- for (DebugFrameDataSubsectionRef &FDS : NewFpoFrames) {
- const ulittle32_t *Reloc = FDS.getRelocPtr();
- for (codeview::FrameData FD : FDS) {
- FD.RvaStart += *Reloc;
- FD.FrameFunc =
- translateStringTableIndex(FD.FrameFunc, CVStrTab, Linker.PDBStrTab);
- DbiBuilder.addNewFpoData(FD);
+ for (DebugFrameDataSubsectionRef &fds : newFpoFrames) {
+ const ulittle32_t *reloc = fds.getRelocPtr();
+ for (codeview::FrameData fd : fds) {
+ fd.RvaStart += *reloc;
+ fd.FrameFunc =
+ translateStringTableIndex(fd.FrameFunc, cVStrTab, linker.pdbStrTab);
+ dbiBuilder.addNewFpoData(fd);
}
}
- for (ulittle32_t *Ref : StringTableReferences)
- *Ref = translateStringTableIndex(*Ref, CVStrTab, Linker.PDBStrTab);
+ for (ulittle32_t *ref : stringTableReferences)
+ *ref = translateStringTableIndex(*ref, cVStrTab, linker.pdbStrTab);
// Make a new file checksum table that refers to offsets in the PDB-wide
// string table. Generally the string table subsection appears after the
// checksum table, so we have to do this after looping over all the
// subsections.
- auto NewChecksums = make_unique<DebugChecksumsSubsection>(Linker.PDBStrTab);
- for (FileChecksumEntry &FC : Checksums) {
- SmallString<128> Filename =
- ExitOnErr(CVStrTab.getString(FC.FileNameOffset));
- pdbMakeAbsolute(Filename);
- ExitOnErr(DbiBuilder.addModuleSourceFile(*File.ModuleDBI, Filename));
- NewChecksums->addChecksum(Filename, FC.Kind, FC.Checksum);
+ auto newChecksums = make_unique<DebugChecksumsSubsection>(linker.pdbStrTab);
+ for (FileChecksumEntry &fc : checksums) {
+ SmallString<128> filename =
+ exitOnErr(cVStrTab.getString(fc.FileNameOffset));
+ pdbMakeAbsolute(filename);
+ exitOnErr(dbiBuilder.addModuleSourceFile(*file.moduleDBI, filename));
+ newChecksums->addChecksum(filename, fc.Kind, fc.Checksum);
}
// Rewrite inlinee item indices if present.
- if (InlineeLines.valid())
- File.ModuleDBI->addDebugSubsection(mergeInlineeLines(NewChecksums.get()));
+ if (inlineeLines.valid())
+ file.moduleDBI->addDebugSubsection(mergeInlineeLines(newChecksums.get()));
- File.ModuleDBI->addDebugSubsection(std::move(NewChecksums));
+ file.moduleDBI->addDebugSubsection(std::move(newChecksums));
}
-void PDBLinker::addObjFile(ObjFile *File, CVIndexMap *ExternIndexMap) {
- if (File->MergedIntoPDB)
+void PDBLinker::addObjFile(ObjFile *file, CVIndexMap *externIndexMap) {
+ if (file->mergedIntoPDB)
return;
- File->MergedIntoPDB = true;
+ file->mergedIntoPDB = true;
// Before we can process symbol substreams from .debug$S, we need to process
// type information, file checksums, and the string table. Add type info to
// the PDB first, so that we can get the map from object file type and item
// indices to PDB type and item indices.
- CVIndexMap ObjectIndexMap;
- auto IndexMapResult =
- mergeDebugT(File, ExternIndexMap ? ExternIndexMap : &ObjectIndexMap);
+ CVIndexMap objectIndexMap;
+ auto indexMapResult =
+ mergeDebugT(file, externIndexMap ? externIndexMap : &objectIndexMap);
// If the .debug$T sections fail to merge, assume there is no debug info.
- if (!IndexMapResult) {
- if (!Config->WarnDebugInfoUnusable) {
- consumeError(IndexMapResult.takeError());
+ if (!indexMapResult) {
+ if (!config->warnDebugInfoUnusable) {
+ consumeError(indexMapResult.takeError());
return;
}
- warn("Cannot use debug info for '" + toString(File) + "' [LNK4099]\n" +
+ warn("Cannot use debug info for '" + toString(file) + "' [LNK4099]\n" +
">>> failed to load reference " +
- StringRef(toString(IndexMapResult.takeError())));
+ StringRef(toString(indexMapResult.takeError())));
return;
}
- ScopedTimer T(SymbolMergingTimer);
+ ScopedTimer t(symbolMergingTimer);
- pdb::DbiStreamBuilder &DbiBuilder = Builder.getDbiBuilder();
- DebugSHandler DSH(*this, *File, *IndexMapResult);
+ pdb::DbiStreamBuilder &dbiBuilder = builder.getDbiBuilder();
+ DebugSHandler dsh(*this, *file, *indexMapResult);
// Now do all live .debug$S and .debug$F sections.
- for (SectionChunk *DebugChunk : File->getDebugChunks()) {
- if (!DebugChunk->Live || DebugChunk->getSize() == 0)
+ for (SectionChunk *debugChunk : file->getDebugChunks()) {
+ if (!debugChunk->live || debugChunk->getSize() == 0)
continue;
- if (DebugChunk->getSectionName() == ".debug$S") {
- DSH.handleDebugS(*DebugChunk);
+ if (debugChunk->getSectionName() == ".debug$S") {
+ dsh.handleDebugS(*debugChunk);
continue;
}
- if (DebugChunk->getSectionName() == ".debug$F") {
- ArrayRef<uint8_t> RelocatedDebugContents =
- relocateDebugChunk(Alloc, *DebugChunk);
+ if (debugChunk->getSectionName() == ".debug$F") {
+ ArrayRef<uint8_t> relocatedDebugContents =
+ relocateDebugChunk(alloc, *debugChunk);
- FixedStreamArray<object::FpoData> FpoRecords;
- BinaryStreamReader Reader(RelocatedDebugContents, support::little);
- uint32_t Count = RelocatedDebugContents.size() / sizeof(object::FpoData);
- ExitOnErr(Reader.readArray(FpoRecords, Count));
+ FixedStreamArray<object::FpoData> fpoRecords;
+ BinaryStreamReader reader(relocatedDebugContents, support::little);
+ uint32_t count = relocatedDebugContents.size() / sizeof(object::FpoData);
+ exitOnErr(reader.readArray(fpoRecords, count));
// These are already relocated and don't refer to the string table, so we
// can just copy it.
- for (const object::FpoData &FD : FpoRecords)
- DbiBuilder.addOldFpoData(FD);
+ for (const object::FpoData &fd : fpoRecords)
+ dbiBuilder.addOldFpoData(fd);
continue;
}
}
// Do any post-processing now that all .debug$S sections have been processed.
- DSH.finish();
+ dsh.finish();
}
// Add a module descriptor for every object file. We need to put an absolute
// path to the object into the PDB. If this is a plain object, we make its
// path absolute. If it's an object in an archive, we make the archive path
// absolute.
-static void createModuleDBI(pdb::PDBFileBuilder &Builder) {
- pdb::DbiStreamBuilder &DbiBuilder = Builder.getDbiBuilder();
- SmallString<128> ObjName;
+static void createModuleDBI(pdb::PDBFileBuilder &builder) {
+ pdb::DbiStreamBuilder &dbiBuilder = builder.getDbiBuilder();
+ SmallString<128> objName;
- for (ObjFile *File : ObjFile::Instances) {
+ for (ObjFile *file : ObjFile::instances) {
- bool InArchive = !File->ParentName.empty();
- ObjName = InArchive ? File->ParentName : File->getName();
- pdbMakeAbsolute(ObjName);
- StringRef ModName = InArchive ? File->getName() : StringRef(ObjName);
+ bool inArchive = !file->parentName.empty();
+ objName = inArchive ? file->parentName : file->getName();
+ pdbMakeAbsolute(objName);
+ StringRef modName = inArchive ? file->getName() : StringRef(objName);
- File->ModuleDBI = &ExitOnErr(DbiBuilder.addModuleInfo(ModName));
- File->ModuleDBI->setObjFileName(ObjName);
+ file->moduleDBI = &exitOnErr(dbiBuilder.addModuleInfo(modName));
+ file->moduleDBI->setObjFileName(objName);
- ArrayRef<Chunk *> Chunks = File->getChunks();
- uint32_t Modi = File->ModuleDBI->getModuleIndex();
+ ArrayRef<Chunk *> chunks = file->getChunks();
+ uint32_t modi = file->moduleDBI->getModuleIndex();
- for (Chunk *C : Chunks) {
- auto *SecChunk = dyn_cast<SectionChunk>(C);
- if (!SecChunk || !SecChunk->Live)
+ for (Chunk *c : chunks) {
+ auto *secChunk = dyn_cast<SectionChunk>(c);
+ if (!secChunk || !secChunk->live)
continue;
- pdb::SectionContrib SC = createSectionContrib(SecChunk, Modi);
- File->ModuleDBI->setFirstSectionContrib(SC);
+ pdb::SectionContrib sc = createSectionContrib(secChunk, modi);
+ file->moduleDBI->setFirstSectionContrib(sc);
break;
}
}
}
-static PublicSym32 createPublic(Defined *Def) {
- PublicSym32 Pub(SymbolKind::S_PUB32);
- Pub.Name = Def->getName();
- if (auto *D = dyn_cast<DefinedCOFF>(Def)) {
- if (D->getCOFFSymbol().isFunctionDefinition())
- Pub.Flags = PublicSymFlags::Function;
- } else if (isa<DefinedImportThunk>(Def)) {
- Pub.Flags = PublicSymFlags::Function;
+static PublicSym32 createPublic(Defined *def) {
+ PublicSym32 pub(SymbolKind::S_PUB32);
+ pub.Name = def->getName();
+ if (auto *d = dyn_cast<DefinedCOFF>(def)) {
+ if (d->getCOFFSymbol().isFunctionDefinition())
+ pub.Flags = PublicSymFlags::Function;
+ } else if (isa<DefinedImportThunk>(def)) {
+ pub.Flags = PublicSymFlags::Function;
}
- OutputSection *OS = Def->getChunk()->getOutputSection();
- assert(OS && "all publics should be in final image");
- Pub.Offset = Def->getRVA() - OS->getRVA();
- Pub.Segment = OS->SectionIndex;
- return Pub;
+ OutputSection *os = def->getChunk()->getOutputSection();
+ assert(os && "all publics should be in final image");
+ pub.Offset = def->getRVA() - os->getRVA();
+ pub.Segment = os->sectionIndex;
+ return pub;
}
// Add all object files to the PDB. Merge .debug$T sections into IpiData and
// TpiData.
void PDBLinker::addObjectsToPDB() {
- ScopedTimer T1(AddObjectsTimer);
+ ScopedTimer t1(addObjectsTimer);
- createModuleDBI(Builder);
+ createModuleDBI(builder);
- for (ObjFile *File : ObjFile::Instances)
- addObjFile(File);
+ for (ObjFile *file : ObjFile::instances)
+ addObjFile(file);
- Builder.getStringTableBuilder().setStrings(PDBStrTab);
- T1.stop();
+ builder.getStringTableBuilder().setStrings(pdbStrTab);
+ t1.stop();
// Construct TPI and IPI stream contents.
- ScopedTimer T2(TpiStreamLayoutTimer);
- addTypeInfo(Builder.getTpiBuilder(), TMerger.getTypeTable());
- addTypeInfo(Builder.getIpiBuilder(), TMerger.getIDTable());
- T2.stop();
+ ScopedTimer t2(tpiStreamLayoutTimer);
+ addTypeInfo(builder.getTpiBuilder(), tMerger.getTypeTable());
+ addTypeInfo(builder.getIpiBuilder(), tMerger.getIDTable());
+ t2.stop();
- ScopedTimer T3(GlobalsLayoutTimer);
+ ScopedTimer t3(globalsLayoutTimer);
// Compute the public and global symbols.
- auto &GsiBuilder = Builder.getGsiBuilder();
- std::vector<PublicSym32> Publics;
- Symtab->forEachSymbol([&Publics](Symbol *S) {
+ auto &gsiBuilder = builder.getGsiBuilder();
+ std::vector<PublicSym32> publics;
+ symtab->forEachSymbol([&publics](Symbol *s) {
// Only emit defined, live symbols that have a chunk.
- auto *Def = dyn_cast<Defined>(S);
- if (Def && Def->isLive() && Def->getChunk())
- Publics.push_back(createPublic(Def));
+ auto *def = dyn_cast<Defined>(s);
+ if (def && def->isLive() && def->getChunk())
+ publics.push_back(createPublic(def));
});
- if (!Publics.empty()) {
- PublicSymbols = Publics.size();
+ if (!publics.empty()) {
+ publicSymbols = publics.size();
// Sort the public symbols and add them to the stream.
- parallelSort(Publics, [](const PublicSym32 &L, const PublicSym32 &R) {
- return L.Name < R.Name;
+ parallelSort(publics, [](const PublicSym32 &l, const PublicSym32 &r) {
+ return l.Name < r.Name;
});
- for (const PublicSym32 &Pub : Publics)
- GsiBuilder.addPublicSymbol(Pub);
+ for (const PublicSym32 &pub : publics)
+ gsiBuilder.addPublicSymbol(pub);
}
}
void PDBLinker::printStats() {
- if (!Config->ShowSummary)
+ if (!config->showSummary)
return;
- SmallString<256> Buffer;
- raw_svector_ostream Stream(Buffer);
+ SmallString<256> buffer;
+ raw_svector_ostream stream(buffer);
- Stream << center_justify("Summary", 80) << '\n'
+ stream << center_justify("Summary", 80) << '\n'
<< std::string(80, '-') << '\n';
- auto Print = [&](uint64_t V, StringRef S) {
- Stream << format_decimal(V, 15) << " " << S << '\n';
+ auto print = [&](uint64_t v, StringRef s) {
+ stream << format_decimal(v, 15) << " " << s << '\n';
};
- Print(ObjFile::Instances.size(),
+ print(ObjFile::instances.size(),
"Input OBJ files (expanded from all cmd-line inputs)");
- Print(TypeServerIndexMappings.size(), "PDB type server dependencies");
- Print(PrecompTypeIndexMappings.size(), "Precomp OBJ dependencies");
- Print(TMerger.getTypeTable().size() + TMerger.getIDTable().size(),
+ print(typeServerIndexMappings.size(), "PDB type server dependencies");
+ print(precompTypeIndexMappings.size(), "Precomp OBJ dependencies");
+ print(tMerger.getTypeTable().size() + tMerger.getIDTable().size(),
"Merged TPI records");
- Print(PDBStrTab.size(), "Output PDB strings");
- Print(GlobalSymbols, "Global symbol records");
- Print(ModuleSymbols, "Module symbol records");
- Print(PublicSymbols, "Public symbol records");
+ print(pdbStrTab.size(), "Output PDB strings");
+ print(globalSymbols, "Global symbol records");
+ print(moduleSymbols, "Module symbol records");
+ print(publicSymbols, "Public symbol records");
- message(Buffer);
+ message(buffer);
}
void PDBLinker::addNatvisFiles() {
- for (StringRef File : Config->NatvisFiles) {
- ErrorOr<std::unique_ptr<MemoryBuffer>> DataOrErr =
- MemoryBuffer::getFile(File);
- if (!DataOrErr) {
- warn("Cannot open input file: " + File);
+ for (StringRef file : config->natvisFiles) {
+ ErrorOr<std::unique_ptr<MemoryBuffer>> dataOrErr =
+ MemoryBuffer::getFile(file);
+ if (!dataOrErr) {
+ warn("Cannot open input file: " + file);
continue;
}
- Builder.addInjectedSource(File, std::move(*DataOrErr));
+ builder.addInjectedSource(file, std::move(*dataOrErr));
}
}
-static codeview::CPUType toCodeViewMachine(COFF::MachineTypes Machine) {
- switch (Machine) {
+static codeview::CPUType toCodeViewMachine(COFF::MachineTypes machine) {
+ switch (machine) {
case COFF::IMAGE_FILE_MACHINE_AMD64:
return codeview::CPUType::X64;
case COFF::IMAGE_FILE_MACHINE_ARM:
@@ -1376,329 +1376,329 @@
// Mimic MSVC which surrounds arguments containing whitespace with quotes.
// Double double-quotes are handled, so that the resulting string can be
// executed again on the cmd-line.
-static std::string quote(ArrayRef<StringRef> Args) {
- std::string R;
- R.reserve(256);
- for (StringRef A : Args) {
- if (!R.empty())
- R.push_back(' ');
- bool HasWS = A.find(' ') != StringRef::npos;
- bool HasQ = A.find('"') != StringRef::npos;
- if (HasWS || HasQ)
- R.push_back('"');
- if (HasQ) {
- SmallVector<StringRef, 4> S;
- A.split(S, '"');
- R.append(join(S, "\"\""));
+static std::string quote(ArrayRef<StringRef> args) {
+ std::string r;
+ r.reserve(256);
+ for (StringRef a : args) {
+ if (!r.empty())
+ r.push_back(' ');
+ bool hasWS = a.find(' ') != StringRef::npos;
+ bool hasQ = a.find('"') != StringRef::npos;
+ if (hasWS || hasQ)
+ r.push_back('"');
+ if (hasQ) {
+ SmallVector<StringRef, 4> s;
+ a.split(s, '"');
+ r.append(join(s, "\"\""));
} else {
- R.append(A);
+ r.append(a);
}
- if (HasWS || HasQ)
- R.push_back('"');
+ if (hasWS || hasQ)
+ r.push_back('"');
}
- return R;
+ return r;
}
-static void fillLinkerVerRecord(Compile3Sym &CS) {
- CS.Machine = toCodeViewMachine(Config->Machine);
+static void fillLinkerVerRecord(Compile3Sym &cs) {
+ cs.Machine = toCodeViewMachine(config->machine);
// Interestingly, if we set the string to 0.0.0.0, then when trying to view
// local variables WinDbg emits an error that private symbols are not present.
// By setting this to a valid MSVC linker version string, local variables are
// displayed properly. As such, even though it is not representative of
// LLVM's version information, we need this for compatibility.
- CS.Flags = CompileSym3Flags::None;
- CS.VersionBackendBuild = 25019;
- CS.VersionBackendMajor = 14;
- CS.VersionBackendMinor = 10;
- CS.VersionBackendQFE = 0;
+ cs.Flags = CompileSym3Flags::None;
+ cs.VersionBackendBuild = 25019;
+ cs.VersionBackendMajor = 14;
+ cs.VersionBackendMinor = 10;
+ cs.VersionBackendQFE = 0;
// MSVC also sets the frontend to 0.0.0.0 since this is specifically for the
// linker module (which is by definition a backend), so we don't need to do
// anything here. Also, it seems we can use "LLVM Linker" for the linker name
// without any problems. Only the backend version has to be hardcoded to a
// magic number.
- CS.VersionFrontendBuild = 0;
- CS.VersionFrontendMajor = 0;
- CS.VersionFrontendMinor = 0;
- CS.VersionFrontendQFE = 0;
- CS.Version = "LLVM Linker";
- CS.setLanguage(SourceLanguage::Link);
+ cs.VersionFrontendBuild = 0;
+ cs.VersionFrontendMajor = 0;
+ cs.VersionFrontendMinor = 0;
+ cs.VersionFrontendQFE = 0;
+ cs.Version = "LLVM Linker";
+ cs.setLanguage(SourceLanguage::Link);
}
-static void addCommonLinkerModuleSymbols(StringRef Path,
- pdb::DbiModuleDescriptorBuilder &Mod,
- BumpPtrAllocator &Allocator) {
- ObjNameSym ONS(SymbolRecordKind::ObjNameSym);
- EnvBlockSym EBS(SymbolRecordKind::EnvBlockSym);
- Compile3Sym CS(SymbolRecordKind::Compile3Sym);
- fillLinkerVerRecord(CS);
+static void addCommonLinkerModuleSymbols(StringRef path,
+ pdb::DbiModuleDescriptorBuilder &mod,
+ BumpPtrAllocator &allocator) {
+ ObjNameSym ons(SymbolRecordKind::ObjNameSym);
+ EnvBlockSym ebs(SymbolRecordKind::EnvBlockSym);
+ Compile3Sym cs(SymbolRecordKind::Compile3Sym);
+ fillLinkerVerRecord(cs);
- ONS.Name = "* Linker *";
- ONS.Signature = 0;
+ ons.Name = "* Linker *";
+ ons.Signature = 0;
- ArrayRef<StringRef> Args = makeArrayRef(Config->Argv).drop_front();
- std::string ArgStr = quote(Args);
- EBS.Fields.push_back("cwd");
+ ArrayRef<StringRef> args = makeArrayRef(config->argv).drop_front();
+ std::string argStr = quote(args);
+ ebs.Fields.push_back("cwd");
SmallString<64> cwd;
- if (Config->PDBSourcePath.empty())
+ if (config->pdbSourcePath.empty())
sys::fs::current_path(cwd);
else
- cwd = Config->PDBSourcePath;
- EBS.Fields.push_back(cwd);
- EBS.Fields.push_back("exe");
- SmallString<64> exe = Config->Argv[0];
+ cwd = config->pdbSourcePath;
+ ebs.Fields.push_back(cwd);
+ ebs.Fields.push_back("exe");
+ SmallString<64> exe = config->argv[0];
pdbMakeAbsolute(exe);
- EBS.Fields.push_back(exe);
- EBS.Fields.push_back("pdb");
- EBS.Fields.push_back(Path);
- EBS.Fields.push_back("cmd");
- EBS.Fields.push_back(ArgStr);
- Mod.addSymbol(codeview::SymbolSerializer::writeOneSymbol(
- ONS, Allocator, CodeViewContainer::Pdb));
- Mod.addSymbol(codeview::SymbolSerializer::writeOneSymbol(
- CS, Allocator, CodeViewContainer::Pdb));
- Mod.addSymbol(codeview::SymbolSerializer::writeOneSymbol(
- EBS, Allocator, CodeViewContainer::Pdb));
+ ebs.Fields.push_back(exe);
+ ebs.Fields.push_back("pdb");
+ ebs.Fields.push_back(path);
+ ebs.Fields.push_back("cmd");
+ ebs.Fields.push_back(argStr);
+ mod.addSymbol(codeview::SymbolSerializer::writeOneSymbol(
+ ons, allocator, CodeViewContainer::Pdb));
+ mod.addSymbol(codeview::SymbolSerializer::writeOneSymbol(
+ cs, allocator, CodeViewContainer::Pdb));
+ mod.addSymbol(codeview::SymbolSerializer::writeOneSymbol(
+ ebs, allocator, CodeViewContainer::Pdb));
}
-static void addLinkerModuleCoffGroup(PartialSection *Sec,
- pdb::DbiModuleDescriptorBuilder &Mod,
- OutputSection &OS,
- BumpPtrAllocator &Allocator) {
+static void addLinkerModuleCoffGroup(PartialSection *sec,
+ pdb::DbiModuleDescriptorBuilder &mod,
+ OutputSection &os,
+ BumpPtrAllocator &allocator) {
// If there's a section, there's at least one chunk
- assert(!Sec->Chunks.empty());
- const Chunk *firstChunk = *Sec->Chunks.begin();
- const Chunk *lastChunk = *Sec->Chunks.rbegin();
+ assert(!sec->chunks.empty());
+ const Chunk *firstChunk = *sec->chunks.begin();
+ const Chunk *lastChunk = *sec->chunks.rbegin();
// Emit COFF group
- CoffGroupSym CGS(SymbolRecordKind::CoffGroupSym);
- CGS.Name = Sec->Name;
- CGS.Segment = OS.SectionIndex;
- CGS.Offset = firstChunk->getRVA() - OS.getRVA();
- CGS.Size = lastChunk->getRVA() + lastChunk->getSize() - firstChunk->getRVA();
- CGS.Characteristics = Sec->Characteristics;
+ CoffGroupSym cgs(SymbolRecordKind::CoffGroupSym);
+ cgs.Name = sec->name;
+ cgs.Segment = os.sectionIndex;
+ cgs.Offset = firstChunk->getRVA() - os.getRVA();
+ cgs.Size = lastChunk->getRVA() + lastChunk->getSize() - firstChunk->getRVA();
+ cgs.Characteristics = sec->characteristics;
// Somehow .idata sections & sections groups in the debug symbol stream have
// the "write" flag set. However the section header for the corresponding
// .idata section doesn't have it.
- if (CGS.Name.startswith(".idata"))
- CGS.Characteristics |= llvm::COFF::IMAGE_SCN_MEM_WRITE;
+ if (cgs.Name.startswith(".idata"))
+ cgs.Characteristics |= llvm::COFF::IMAGE_SCN_MEM_WRITE;
- Mod.addSymbol(codeview::SymbolSerializer::writeOneSymbol(
- CGS, Allocator, CodeViewContainer::Pdb));
+ mod.addSymbol(codeview::SymbolSerializer::writeOneSymbol(
+ cgs, allocator, CodeViewContainer::Pdb));
}
-static void addLinkerModuleSectionSymbol(pdb::DbiModuleDescriptorBuilder &Mod,
- OutputSection &OS,
- BumpPtrAllocator &Allocator) {
- SectionSym Sym(SymbolRecordKind::SectionSym);
- Sym.Alignment = 12; // 2^12 = 4KB
- Sym.Characteristics = OS.Header.Characteristics;
- Sym.Length = OS.getVirtualSize();
- Sym.Name = OS.Name;
- Sym.Rva = OS.getRVA();
- Sym.SectionNumber = OS.SectionIndex;
- Mod.addSymbol(codeview::SymbolSerializer::writeOneSymbol(
- Sym, Allocator, CodeViewContainer::Pdb));
+static void addLinkerModuleSectionSymbol(pdb::DbiModuleDescriptorBuilder &mod,
+ OutputSection &os,
+ BumpPtrAllocator &allocator) {
+ SectionSym sym(SymbolRecordKind::SectionSym);
+ sym.Alignment = 12; // 2^12 = 4KB
+ sym.Characteristics = os.header.Characteristics;
+ sym.Length = os.getVirtualSize();
+ sym.Name = os.name;
+ sym.Rva = os.getRVA();
+ sym.SectionNumber = os.sectionIndex;
+ mod.addSymbol(codeview::SymbolSerializer::writeOneSymbol(
+ sym, allocator, CodeViewContainer::Pdb));
// Skip COFF groups in MinGW because it adds a significant footprint to the
// PDB, due to each function being in its own section
- if (Config->MinGW)
+ if (config->mingw)
return;
// Output COFF groups for individual chunks of this section.
- for (PartialSection *Sec : OS.ContribSections) {
- addLinkerModuleCoffGroup(Sec, Mod, OS, Allocator);
+ for (PartialSection *sec : os.contribSections) {
+ addLinkerModuleCoffGroup(sec, mod, os, allocator);
}
}
// Add all import files as modules to the PDB.
-void PDBLinker::addImportFilesToPDB(ArrayRef<OutputSection *> OutputSections) {
- if (ImportFile::Instances.empty())
+void PDBLinker::addImportFilesToPDB(ArrayRef<OutputSection *> outputSections) {
+ if (ImportFile::instances.empty())
return;
- std::map<std::string, llvm::pdb::DbiModuleDescriptorBuilder *> DllToModuleDbi;
+ std::map<std::string, llvm::pdb::DbiModuleDescriptorBuilder *> dllToModuleDbi;
- for (ImportFile *File : ImportFile::Instances) {
- if (!File->Live)
+ for (ImportFile *file : ImportFile::instances) {
+ if (!file->live)
continue;
- if (!File->ThunkSym)
+ if (!file->thunkSym)
continue;
- if (!File->ThunkLive)
+ if (!file->thunkLive)
continue;
- std::string DLL = StringRef(File->DLLName).lower();
- llvm::pdb::DbiModuleDescriptorBuilder *&Mod = DllToModuleDbi[DLL];
- if (!Mod) {
- pdb::DbiStreamBuilder &DbiBuilder = Builder.getDbiBuilder();
- SmallString<128> LibPath = File->ParentName;
- pdbMakeAbsolute(LibPath);
- sys::path::native(LibPath);
+ std::string dll = StringRef(file->dllName).lower();
+ llvm::pdb::DbiModuleDescriptorBuilder *&mod = dllToModuleDbi[dll];
+ if (!mod) {
+ pdb::DbiStreamBuilder &dbiBuilder = builder.getDbiBuilder();
+ SmallString<128> libPath = file->parentName;
+ pdbMakeAbsolute(libPath);
+ sys::path::native(libPath);
// Name modules similar to MSVC's link.exe.
// The first module is the simple dll filename
- llvm::pdb::DbiModuleDescriptorBuilder &FirstMod =
- ExitOnErr(DbiBuilder.addModuleInfo(File->DLLName));
- FirstMod.setObjFileName(LibPath);
- pdb::SectionContrib SC =
+ llvm::pdb::DbiModuleDescriptorBuilder &firstMod =
+ exitOnErr(dbiBuilder.addModuleInfo(file->dllName));
+ firstMod.setObjFileName(libPath);
+ pdb::SectionContrib sc =
createSectionContrib(nullptr, llvm::pdb::kInvalidStreamIndex);
- FirstMod.setFirstSectionContrib(SC);
+ firstMod.setFirstSectionContrib(sc);
// The second module is where the import stream goes.
- Mod = &ExitOnErr(DbiBuilder.addModuleInfo("Import:" + File->DLLName));
- Mod->setObjFileName(LibPath);
+ mod = &exitOnErr(dbiBuilder.addModuleInfo("Import:" + file->dllName));
+ mod->setObjFileName(libPath);
}
- DefinedImportThunk *Thunk = cast<DefinedImportThunk>(File->ThunkSym);
- Chunk *ThunkChunk = Thunk->getChunk();
- OutputSection *ThunkOS = ThunkChunk->getOutputSection();
+ DefinedImportThunk *thunk = cast<DefinedImportThunk>(file->thunkSym);
+ Chunk *thunkChunk = thunk->getChunk();
+ OutputSection *thunkOS = thunkChunk->getOutputSection();
- ObjNameSym ONS(SymbolRecordKind::ObjNameSym);
- Compile3Sym CS(SymbolRecordKind::Compile3Sym);
- Thunk32Sym TS(SymbolRecordKind::Thunk32Sym);
- ScopeEndSym ES(SymbolRecordKind::ScopeEndSym);
+ ObjNameSym ons(SymbolRecordKind::ObjNameSym);
+ Compile3Sym cs(SymbolRecordKind::Compile3Sym);
+ Thunk32Sym ts(SymbolRecordKind::Thunk32Sym);
+ ScopeEndSym es(SymbolRecordKind::ScopeEndSym);
- ONS.Name = File->DLLName;
- ONS.Signature = 0;
+ ons.Name = file->dllName;
+ ons.Signature = 0;
- fillLinkerVerRecord(CS);
+ fillLinkerVerRecord(cs);
- TS.Name = Thunk->getName();
- TS.Parent = 0;
- TS.End = 0;
- TS.Next = 0;
- TS.Thunk = ThunkOrdinal::Standard;
- TS.Length = ThunkChunk->getSize();
- TS.Segment = ThunkOS->SectionIndex;
- TS.Offset = ThunkChunk->getRVA() - ThunkOS->getRVA();
+ ts.Name = thunk->getName();
+ ts.Parent = 0;
+ ts.End = 0;
+ ts.Next = 0;
+ ts.Thunk = ThunkOrdinal::Standard;
+ ts.Length = thunkChunk->getSize();
+ ts.Segment = thunkOS->sectionIndex;
+ ts.Offset = thunkChunk->getRVA() - thunkOS->getRVA();
- Mod->addSymbol(codeview::SymbolSerializer::writeOneSymbol(
- ONS, Alloc, CodeViewContainer::Pdb));
- Mod->addSymbol(codeview::SymbolSerializer::writeOneSymbol(
- CS, Alloc, CodeViewContainer::Pdb));
+ mod->addSymbol(codeview::SymbolSerializer::writeOneSymbol(
+ ons, alloc, CodeViewContainer::Pdb));
+ mod->addSymbol(codeview::SymbolSerializer::writeOneSymbol(
+ cs, alloc, CodeViewContainer::Pdb));
- SmallVector<SymbolScope, 4> Scopes;
- CVSymbol NewSym = codeview::SymbolSerializer::writeOneSymbol(
- TS, Alloc, CodeViewContainer::Pdb);
- scopeStackOpen(Scopes, Mod->getNextSymbolOffset(), NewSym);
+ SmallVector<SymbolScope, 4> scopes;
+ CVSymbol newSym = codeview::SymbolSerializer::writeOneSymbol(
+ ts, alloc, CodeViewContainer::Pdb);
+ scopeStackOpen(scopes, mod->getNextSymbolOffset(), newSym);
- Mod->addSymbol(NewSym);
+ mod->addSymbol(newSym);
- NewSym = codeview::SymbolSerializer::writeOneSymbol(ES, Alloc,
+ newSym = codeview::SymbolSerializer::writeOneSymbol(es, alloc,
CodeViewContainer::Pdb);
- scopeStackClose(Scopes, Mod->getNextSymbolOffset(), File);
+ scopeStackClose(scopes, mod->getNextSymbolOffset(), file);
- Mod->addSymbol(NewSym);
+ mod->addSymbol(newSym);
- pdb::SectionContrib SC =
- createSectionContrib(Thunk->getChunk(), Mod->getModuleIndex());
- Mod->setFirstSectionContrib(SC);
+ pdb::SectionContrib sc =
+ createSectionContrib(thunk->getChunk(), mod->getModuleIndex());
+ mod->setFirstSectionContrib(sc);
}
}
// Creates a PDB file.
-void coff::createPDB(SymbolTable *Symtab,
- ArrayRef<OutputSection *> OutputSections,
- ArrayRef<uint8_t> SectionTable,
- llvm::codeview::DebugInfo *BuildId) {
- ScopedTimer T1(TotalPdbLinkTimer);
- PDBLinker PDB(Symtab);
+void coff::createPDB(SymbolTable *symtab,
+ ArrayRef<OutputSection *> outputSections,
+ ArrayRef<uint8_t> sectionTable,
+ llvm::codeview::DebugInfo *buildId) {
+ ScopedTimer t1(totalPdbLinkTimer);
+ PDBLinker pdb(symtab);
- PDB.initialize(BuildId);
- PDB.addObjectsToPDB();
- PDB.addImportFilesToPDB(OutputSections);
- PDB.addSections(OutputSections, SectionTable);
- PDB.addNatvisFiles();
+ pdb.initialize(buildId);
+ pdb.addObjectsToPDB();
+ pdb.addImportFilesToPDB(outputSections);
+ pdb.addSections(outputSections, sectionTable);
+ pdb.addNatvisFiles();
- ScopedTimer T2(DiskCommitTimer);
- codeview::GUID Guid;
- PDB.commit(&Guid);
- memcpy(&BuildId->PDB70.Signature, &Guid, 16);
+ ScopedTimer t2(diskCommitTimer);
+ codeview::GUID guid;
+ pdb.commit(&guid);
+ memcpy(&buildId->PDB70.Signature, &guid, 16);
- T2.stop();
- T1.stop();
- PDB.printStats();
+ t2.stop();
+ t1.stop();
+ pdb.printStats();
}
-void PDBLinker::initialize(llvm::codeview::DebugInfo *BuildId) {
- ExitOnErr(Builder.initialize(4096)); // 4096 is blocksize
+void PDBLinker::initialize(llvm::codeview::DebugInfo *buildId) {
+ exitOnErr(builder.initialize(4096)); // 4096 is blocksize
- BuildId->Signature.CVSignature = OMF::Signature::PDB70;
+ buildId->Signature.CVSignature = OMF::Signature::PDB70;
// Signature is set to a hash of the PDB contents when the PDB is done.
- memset(BuildId->PDB70.Signature, 0, 16);
- BuildId->PDB70.Age = 1;
+ memset(buildId->PDB70.Signature, 0, 16);
+ buildId->PDB70.Age = 1;
// Create streams in MSF for predefined streams, namely
// PDB, TPI, DBI and IPI.
- for (int I = 0; I < (int)pdb::kSpecialStreamCount; ++I)
- ExitOnErr(Builder.getMsfBuilder().addStream(0));
+ for (int i = 0; i < (int)pdb::kSpecialStreamCount; ++i)
+ exitOnErr(builder.getMsfBuilder().addStream(0));
// Add an Info stream.
- auto &InfoBuilder = Builder.getInfoBuilder();
- InfoBuilder.setVersion(pdb::PdbRaw_ImplVer::PdbImplVC70);
- InfoBuilder.setHashPDBContentsToGUID(true);
+ auto &infoBuilder = builder.getInfoBuilder();
+ infoBuilder.setVersion(pdb::PdbRaw_ImplVer::PdbImplVC70);
+ infoBuilder.setHashPDBContentsToGUID(true);
// Add an empty DBI stream.
- pdb::DbiStreamBuilder &DbiBuilder = Builder.getDbiBuilder();
- DbiBuilder.setAge(BuildId->PDB70.Age);
- DbiBuilder.setVersionHeader(pdb::PdbDbiV70);
- DbiBuilder.setMachineType(Config->Machine);
+ pdb::DbiStreamBuilder &dbiBuilder = builder.getDbiBuilder();
+ dbiBuilder.setAge(buildId->PDB70.Age);
+ dbiBuilder.setVersionHeader(pdb::PdbDbiV70);
+ dbiBuilder.setMachineType(config->machine);
// Technically we are not link.exe 14.11, but there are known cases where
// debugging tools on Windows expect Microsoft-specific version numbers or
// they fail to work at all. Since we know we produce PDBs that are
// compatible with LINK 14.11, we set that version number here.
- DbiBuilder.setBuildNumber(14, 11);
+ dbiBuilder.setBuildNumber(14, 11);
}
-void PDBLinker::addSections(ArrayRef<OutputSection *> OutputSections,
- ArrayRef<uint8_t> SectionTable) {
+void PDBLinker::addSections(ArrayRef<OutputSection *> outputSections,
+ ArrayRef<uint8_t> sectionTable) {
// It's not entirely clear what this is, but the * Linker * module uses it.
- pdb::DbiStreamBuilder &DbiBuilder = Builder.getDbiBuilder();
- NativePath = Config->PDBPath;
- pdbMakeAbsolute(NativePath);
- uint32_t PdbFilePathNI = DbiBuilder.addECName(NativePath);
- auto &LinkerModule = ExitOnErr(DbiBuilder.addModuleInfo("* Linker *"));
- LinkerModule.setPdbFilePathNI(PdbFilePathNI);
- addCommonLinkerModuleSymbols(NativePath, LinkerModule, Alloc);
+ pdb::DbiStreamBuilder &dbiBuilder = builder.getDbiBuilder();
+ nativePath = config->pdbPath;
+ pdbMakeAbsolute(nativePath);
+ uint32_t pdbFilePathNI = dbiBuilder.addECName(nativePath);
+ auto &linkerModule = exitOnErr(dbiBuilder.addModuleInfo("* Linker *"));
+ linkerModule.setPdbFilePathNI(pdbFilePathNI);
+ addCommonLinkerModuleSymbols(nativePath, linkerModule, alloc);
// Add section contributions. They must be ordered by ascending RVA.
- for (OutputSection *OS : OutputSections) {
- addLinkerModuleSectionSymbol(LinkerModule, *OS, Alloc);
- for (Chunk *C : OS->Chunks) {
- pdb::SectionContrib SC =
- createSectionContrib(C, LinkerModule.getModuleIndex());
- Builder.getDbiBuilder().addSectionContrib(SC);
+ for (OutputSection *os : outputSections) {
+ addLinkerModuleSectionSymbol(linkerModule, *os, alloc);
+ for (Chunk *c : os->chunks) {
+ pdb::SectionContrib sc =
+ createSectionContrib(c, linkerModule.getModuleIndex());
+ builder.getDbiBuilder().addSectionContrib(sc);
}
}
// The * Linker * first section contrib is only used along with /INCREMENTAL,
// to provide trampolines thunks for incremental function patching. Set this
// as "unused" because LLD doesn't support /INCREMENTAL link.
- pdb::SectionContrib SC =
+ pdb::SectionContrib sc =
createSectionContrib(nullptr, llvm::pdb::kInvalidStreamIndex);
- LinkerModule.setFirstSectionContrib(SC);
+ linkerModule.setFirstSectionContrib(sc);
// Add Section Map stream.
- ArrayRef<object::coff_section> Sections = {
- (const object::coff_section *)SectionTable.data(),
- SectionTable.size() / sizeof(object::coff_section)};
- SectionMap = pdb::DbiStreamBuilder::createSectionMap(Sections);
- DbiBuilder.setSectionMap(SectionMap);
+ ArrayRef<object::coff_section> sections = {
+ (const object::coff_section *)sectionTable.data(),
+ sectionTable.size() / sizeof(object::coff_section)};
+ sectionMap = pdb::DbiStreamBuilder::createSectionMap(sections);
+ dbiBuilder.setSectionMap(sectionMap);
// Add COFF section header stream.
- ExitOnErr(
- DbiBuilder.addDbgStream(pdb::DbgHeaderType::SectionHdr, SectionTable));
+ exitOnErr(
+ dbiBuilder.addDbgStream(pdb::DbgHeaderType::SectionHdr, sectionTable));
}
-void PDBLinker::commit(codeview::GUID *Guid) {
+void PDBLinker::commit(codeview::GUID *guid) {
// Write to a file.
- ExitOnErr(Builder.commit(Config->PDBPath, Guid));
+ exitOnErr(builder.commit(config->pdbPath, guid));
}
static uint32_t getSecrelReloc() {
- switch (Config->Machine) {
+ switch (config->machine) {
case AMD64:
return COFF::IMAGE_REL_AMD64_SECREL;
case I386:
@@ -1717,78 +1717,78 @@
// that are used to interpret the line table, and the offset of Addr in the line
// table are stored in the output arguments. Returns whether a line table was
// found.
-static bool findLineTable(const SectionChunk *C, uint32_t Addr,
- DebugStringTableSubsectionRef &CVStrTab,
- DebugChecksumsSubsectionRef &Checksums,
- DebugLinesSubsectionRef &Lines,
- uint32_t &OffsetInLinetable) {
- ExitOnError ExitOnErr;
- uint32_t SecrelReloc = getSecrelReloc();
+static bool findLineTable(const SectionChunk *c, uint32_t addr,
+ DebugStringTableSubsectionRef &cVStrTab,
+ DebugChecksumsSubsectionRef &checksums,
+ DebugLinesSubsectionRef &lines,
+ uint32_t &offsetInLinetable) {
+ ExitOnError exitOnErr;
+ uint32_t secrelReloc = getSecrelReloc();
- for (SectionChunk *DbgC : C->File->getDebugChunks()) {
- if (DbgC->getSectionName() != ".debug$S")
+ for (SectionChunk *dbgC : c->file->getDebugChunks()) {
+ if (dbgC->getSectionName() != ".debug$S")
continue;
// Build a mapping of SECREL relocations in DbgC that refer to C.
- DenseMap<uint32_t, uint32_t> Secrels;
- for (const coff_relocation &R : DbgC->getRelocs()) {
- if (R.Type != SecrelReloc)
+ DenseMap<uint32_t, uint32_t> secrels;
+ for (const coff_relocation &r : dbgC->getRelocs()) {
+ if (r.Type != secrelReloc)
continue;
- if (auto *S = dyn_cast_or_null<DefinedRegular>(
- C->File->getSymbols()[R.SymbolTableIndex]))
- if (S->getChunk() == C)
- Secrels[R.VirtualAddress] = S->getValue();
+ if (auto *s = dyn_cast_or_null<DefinedRegular>(
+ c->file->getSymbols()[r.SymbolTableIndex]))
+ if (s->getChunk() == c)
+ secrels[r.VirtualAddress] = s->getValue();
}
- ArrayRef<uint8_t> Contents =
- SectionChunk::consumeDebugMagic(DbgC->getContents(), ".debug$S");
- DebugSubsectionArray Subsections;
- BinaryStreamReader Reader(Contents, support::little);
- ExitOnErr(Reader.readArray(Subsections, Contents.size()));
+ ArrayRef<uint8_t> contents =
+ SectionChunk::consumeDebugMagic(dbgC->getContents(), ".debug$S");
+ DebugSubsectionArray subsections;
+ BinaryStreamReader reader(contents, support::little);
+ exitOnErr(reader.readArray(subsections, contents.size()));
- for (const DebugSubsectionRecord &SS : Subsections) {
- switch (SS.kind()) {
+ for (const DebugSubsectionRecord &ss : subsections) {
+ switch (ss.kind()) {
case DebugSubsectionKind::StringTable: {
- assert(!CVStrTab.valid() &&
+ assert(!cVStrTab.valid() &&
"Encountered multiple string table subsections!");
- ExitOnErr(CVStrTab.initialize(SS.getRecordData()));
+ exitOnErr(cVStrTab.initialize(ss.getRecordData()));
break;
}
case DebugSubsectionKind::FileChecksums:
- assert(!Checksums.valid() &&
+ assert(!checksums.valid() &&
"Encountered multiple checksum subsections!");
- ExitOnErr(Checksums.initialize(SS.getRecordData()));
+ exitOnErr(checksums.initialize(ss.getRecordData()));
break;
case DebugSubsectionKind::Lines: {
- ArrayRef<uint8_t> Bytes;
- auto Ref = SS.getRecordData();
- ExitOnErr(Ref.readLongestContiguousChunk(0, Bytes));
- size_t OffsetInDbgC = Bytes.data() - DbgC->getContents().data();
+ ArrayRef<uint8_t> bytes;
+ auto ref = ss.getRecordData();
+ exitOnErr(ref.readLongestContiguousChunk(0, bytes));
+ size_t offsetInDbgC = bytes.data() - dbgC->getContents().data();
// Check whether this line table refers to C.
- auto I = Secrels.find(OffsetInDbgC);
- if (I == Secrels.end())
+ auto i = secrels.find(offsetInDbgC);
+ if (i == secrels.end())
break;
// Check whether this line table covers Addr in C.
- DebugLinesSubsectionRef LinesTmp;
- ExitOnErr(LinesTmp.initialize(BinaryStreamReader(Ref)));
- uint32_t OffsetInC = I->second + LinesTmp.header()->RelocOffset;
- if (Addr < OffsetInC || Addr >= OffsetInC + LinesTmp.header()->CodeSize)
+ DebugLinesSubsectionRef linesTmp;
+ exitOnErr(linesTmp.initialize(BinaryStreamReader(ref)));
+ uint32_t offsetInC = i->second + linesTmp.header()->RelocOffset;
+ if (addr < offsetInC || addr >= offsetInC + linesTmp.header()->CodeSize)
break;
- assert(!Lines.header() &&
+ assert(!lines.header() &&
"Encountered multiple line tables for function!");
- ExitOnErr(Lines.initialize(BinaryStreamReader(Ref)));
- OffsetInLinetable = Addr - OffsetInC;
+ exitOnErr(lines.initialize(BinaryStreamReader(ref)));
+ offsetInLinetable = addr - offsetInC;
break;
}
default:
break;
}
- if (CVStrTab.valid() && Checksums.valid() && Lines.header())
+ if (cVStrTab.valid() && checksums.valid() && lines.header())
return true;
}
}
@@ -1799,38 +1799,38 @@
// Use CodeView line tables to resolve a file and line number for the given
// offset into the given chunk and return them, or {"", 0} if a line table was
// not found.
-std::pair<StringRef, uint32_t> coff::getFileLine(const SectionChunk *C,
- uint32_t Addr) {
- ExitOnError ExitOnErr;
+std::pair<StringRef, uint32_t> coff::getFileLine(const SectionChunk *c,
+ uint32_t addr) {
+ ExitOnError exitOnErr;
- DebugStringTableSubsectionRef CVStrTab;
- DebugChecksumsSubsectionRef Checksums;
- DebugLinesSubsectionRef Lines;
- uint32_t OffsetInLinetable;
+ DebugStringTableSubsectionRef cVStrTab;
+ DebugChecksumsSubsectionRef checksums;
+ DebugLinesSubsectionRef lines;
+ uint32_t offsetInLinetable;
- if (!findLineTable(C, Addr, CVStrTab, Checksums, Lines, OffsetInLinetable))
+ if (!findLineTable(c, addr, cVStrTab, checksums, lines, offsetInLinetable))
return {"", 0};
- Optional<uint32_t> NameIndex;
- Optional<uint32_t> LineNumber;
- for (LineColumnEntry &Entry : Lines) {
- for (const LineNumberEntry &LN : Entry.LineNumbers) {
- LineInfo LI(LN.Flags);
- if (LN.Offset > OffsetInLinetable) {
- if (!NameIndex) {
- NameIndex = Entry.NameIndex;
- LineNumber = LI.getStartLine();
+ Optional<uint32_t> nameIndex;
+ Optional<uint32_t> lineNumber;
+ for (LineColumnEntry &entry : lines) {
+ for (const LineNumberEntry &ln : entry.LineNumbers) {
+ LineInfo li(ln.Flags);
+ if (ln.Offset > offsetInLinetable) {
+ if (!nameIndex) {
+ nameIndex = entry.NameIndex;
+ lineNumber = li.getStartLine();
}
- StringRef Filename =
- ExitOnErr(getFileName(CVStrTab, Checksums, *NameIndex));
- return {Filename, *LineNumber};
+ StringRef filename =
+ exitOnErr(getFileName(cVStrTab, checksums, *nameIndex));
+ return {filename, *lineNumber};
}
- NameIndex = Entry.NameIndex;
- LineNumber = LI.getStartLine();
+ nameIndex = entry.NameIndex;
+ lineNumber = li.getStartLine();
}
}
- if (!NameIndex)
+ if (!nameIndex)
return {"", 0};
- StringRef Filename = ExitOnErr(getFileName(CVStrTab, Checksums, *NameIndex));
- return {Filename, *LineNumber};
+ StringRef filename = exitOnErr(getFileName(cVStrTab, checksums, *nameIndex));
+ return {filename, *lineNumber};
}
diff --git a/lld/COFF/PDB.h b/lld/COFF/PDB.h
index d954e09..3ac1adc 100644
--- a/lld/COFF/PDB.h
+++ b/lld/COFF/PDB.h
@@ -24,13 +24,13 @@
class SectionChunk;
class SymbolTable;
-void createPDB(SymbolTable *Symtab,
- llvm::ArrayRef<OutputSection *> OutputSections,
- llvm::ArrayRef<uint8_t> SectionTable,
- llvm::codeview::DebugInfo *BuildId);
+void createPDB(SymbolTable *symtab,
+ llvm::ArrayRef<OutputSection *> outputSections,
+ llvm::ArrayRef<uint8_t> sectionTable,
+ llvm::codeview::DebugInfo *buildId);
-std::pair<llvm::StringRef, uint32_t> getFileLine(const SectionChunk *C,
- uint32_t Addr);
+std::pair<llvm::StringRef, uint32_t> getFileLine(const SectionChunk *c,
+ uint32_t addr);
}
}
diff --git a/lld/COFF/SymbolTable.cpp b/lld/COFF/SymbolTable.cpp
index 023b401..a6c4bc5 100644
--- a/lld/COFF/SymbolTable.cpp
+++ b/lld/COFF/SymbolTable.cpp
@@ -26,168 +26,168 @@
namespace lld {
namespace coff {
-static Timer LTOTimer("LTO", Timer::root());
+static Timer ltoTimer("LTO", Timer::root());
-SymbolTable *Symtab;
+SymbolTable *symtab;
-void SymbolTable::addFile(InputFile *File) {
- log("Reading " + toString(File));
- File->parse();
+void SymbolTable::addFile(InputFile *file) {
+ log("Reading " + toString(file));
+ file->parse();
- MachineTypes MT = File->getMachineType();
- if (Config->Machine == IMAGE_FILE_MACHINE_UNKNOWN) {
- Config->Machine = MT;
- } else if (MT != IMAGE_FILE_MACHINE_UNKNOWN && Config->Machine != MT) {
- error(toString(File) + ": machine type " + machineToStr(MT) +
- " conflicts with " + machineToStr(Config->Machine));
+ MachineTypes mt = file->getMachineType();
+ if (config->machine == IMAGE_FILE_MACHINE_UNKNOWN) {
+ config->machine = mt;
+ } else if (mt != IMAGE_FILE_MACHINE_UNKNOWN && config->machine != mt) {
+ error(toString(file) + ": machine type " + machineToStr(mt) +
+ " conflicts with " + machineToStr(config->machine));
return;
}
- if (auto *F = dyn_cast<ObjFile>(File)) {
- ObjFile::Instances.push_back(F);
- } else if (auto *F = dyn_cast<BitcodeFile>(File)) {
- BitcodeFile::Instances.push_back(F);
- } else if (auto *F = dyn_cast<ImportFile>(File)) {
- ImportFile::Instances.push_back(F);
+ if (auto *f = dyn_cast<ObjFile>(file)) {
+ ObjFile::instances.push_back(f);
+ } else if (auto *f = dyn_cast<BitcodeFile>(file)) {
+ BitcodeFile::instances.push_back(f);
+ } else if (auto *f = dyn_cast<ImportFile>(file)) {
+ ImportFile::instances.push_back(f);
}
- Driver->parseDirectives(File);
+ driver->parseDirectives(file);
}
-static void errorOrWarn(const Twine &S) {
- if (Config->ForceUnresolved)
- warn(S);
+static void errorOrWarn(const Twine &s) {
+ if (config->forceUnresolved)
+ warn(s);
else
- error(S);
+ error(s);
}
// Returns the symbol in SC whose value is <= Addr that is closest to Addr.
// This is generally the global variable or function whose definition contains
// Addr.
-static Symbol *getSymbol(SectionChunk *SC, uint32_t Addr) {
- DefinedRegular *Candidate = nullptr;
+static Symbol *getSymbol(SectionChunk *sc, uint32_t addr) {
+ DefinedRegular *candidate = nullptr;
- for (Symbol *S : SC->File->getSymbols()) {
- auto *D = dyn_cast_or_null<DefinedRegular>(S);
- if (!D || D->getChunk() != SC || D->getValue() > Addr ||
- (Candidate && D->getValue() < Candidate->getValue()))
+ for (Symbol *s : sc->file->getSymbols()) {
+ auto *d = dyn_cast_or_null<DefinedRegular>(s);
+ if (!d || d->getChunk() != sc || d->getValue() > addr ||
+ (candidate && d->getValue() < candidate->getValue()))
continue;
- Candidate = D;
+ candidate = d;
}
- return Candidate;
+ return candidate;
}
// Given a file and the index of a symbol in that file, returns a description
// of all references to that symbol from that file. If no debug information is
// available, returns just the name of the file, else one string per actual
// reference as described in the debug info.
-std::vector<std::string> getSymbolLocations(ObjFile *File, uint32_t SymIndex) {
+std::vector<std::string> getSymbolLocations(ObjFile *file, uint32_t symIndex) {
struct Location {
- Symbol *Sym;
- std::pair<StringRef, uint32_t> FileLine;
+ Symbol *sym;
+ std::pair<StringRef, uint32_t> fileLine;
};
- std::vector<Location> Locations;
+ std::vector<Location> locations;
- for (Chunk *C : File->getChunks()) {
- auto *SC = dyn_cast<SectionChunk>(C);
- if (!SC)
+ for (Chunk *c : file->getChunks()) {
+ auto *sc = dyn_cast<SectionChunk>(c);
+ if (!sc)
continue;
- for (const coff_relocation &R : SC->getRelocs()) {
- if (R.SymbolTableIndex != SymIndex)
+ for (const coff_relocation &r : sc->getRelocs()) {
+ if (r.SymbolTableIndex != symIndex)
continue;
- std::pair<StringRef, uint32_t> FileLine =
- getFileLine(SC, R.VirtualAddress);
- Symbol *Sym = getSymbol(SC, R.VirtualAddress);
- if (!FileLine.first.empty() || Sym)
- Locations.push_back({Sym, FileLine});
+ std::pair<StringRef, uint32_t> fileLine =
+ getFileLine(sc, r.VirtualAddress);
+ Symbol *sym = getSymbol(sc, r.VirtualAddress);
+ if (!fileLine.first.empty() || sym)
+ locations.push_back({sym, fileLine});
}
}
- if (Locations.empty())
- return std::vector<std::string>({"\n>>> referenced by " + toString(File)});
+ if (locations.empty())
+ return std::vector<std::string>({"\n>>> referenced by " + toString(file)});
- std::vector<std::string> SymbolLocations(Locations.size());
- size_t I = 0;
- for (Location Loc : Locations) {
- llvm::raw_string_ostream OS(SymbolLocations[I++]);
- OS << "\n>>> referenced by ";
- if (!Loc.FileLine.first.empty())
- OS << Loc.FileLine.first << ":" << Loc.FileLine.second
+ std::vector<std::string> symbolLocations(locations.size());
+ size_t i = 0;
+ for (Location loc : locations) {
+ llvm::raw_string_ostream os(symbolLocations[i++]);
+ os << "\n>>> referenced by ";
+ if (!loc.fileLine.first.empty())
+ os << loc.fileLine.first << ":" << loc.fileLine.second
<< "\n>>> ";
- OS << toString(File);
- if (Loc.Sym)
- OS << ":(" << toString(*Loc.Sym) << ')';
+ os << toString(file);
+ if (loc.sym)
+ os << ":(" << toString(*loc.sym) << ')';
}
- return SymbolLocations;
+ return symbolLocations;
}
// For an undefined symbol, stores all files referencing it and the index of
// the undefined symbol in each file.
struct UndefinedDiag {
- Symbol *Sym;
+ Symbol *sym;
struct File {
- ObjFile *OFile;
- uint64_t SymIndex;
+ ObjFile *oFile;
+ uint64_t symIndex;
};
- std::vector<File> Files;
+ std::vector<File> files;
};
-static void reportUndefinedSymbol(const UndefinedDiag &UndefDiag) {
- std::string Out;
- llvm::raw_string_ostream OS(Out);
- OS << "undefined symbol: " << toString(*UndefDiag.Sym);
+static void reportUndefinedSymbol(const UndefinedDiag &undefDiag) {
+ std::string out;
+ llvm::raw_string_ostream os(out);
+ os << "undefined symbol: " << toString(*undefDiag.sym);
- const size_t MaxUndefReferences = 10;
- size_t I = 0, NumRefs = 0;
- for (const UndefinedDiag::File &Ref : UndefDiag.Files) {
- std::vector<std::string> SymbolLocations =
- getSymbolLocations(Ref.OFile, Ref.SymIndex);
- NumRefs += SymbolLocations.size();
- for (const std::string &S : SymbolLocations) {
- if (I >= MaxUndefReferences)
+ const size_t maxUndefReferences = 10;
+ size_t i = 0, numRefs = 0;
+ for (const UndefinedDiag::File &ref : undefDiag.files) {
+ std::vector<std::string> symbolLocations =
+ getSymbolLocations(ref.oFile, ref.symIndex);
+ numRefs += symbolLocations.size();
+ for (const std::string &s : symbolLocations) {
+ if (i >= maxUndefReferences)
break;
- OS << S;
- I++;
+ os << s;
+ i++;
}
}
- if (I < NumRefs)
- OS << "\n>>> referenced " << NumRefs - I << " more times";
- errorOrWarn(OS.str());
+ if (i < numRefs)
+ os << "\n>>> referenced " << numRefs - i << " more times";
+ errorOrWarn(os.str());
}
void SymbolTable::loadMinGWAutomaticImports() {
- for (auto &I : SymMap) {
- Symbol *Sym = I.second;
- auto *Undef = dyn_cast<Undefined>(Sym);
- if (!Undef)
+ for (auto &i : symMap) {
+ Symbol *sym = i.second;
+ auto *undef = dyn_cast<Undefined>(sym);
+ if (!undef)
continue;
- if (!Sym->IsUsedInRegularObj)
+ if (!sym->isUsedInRegularObj)
continue;
- StringRef Name = Undef->getName();
+ StringRef name = undef->getName();
- if (Name.startswith("__imp_"))
+ if (name.startswith("__imp_"))
continue;
// If we have an undefined symbol, but we have a Lazy representing a
// symbol we could load from file, make sure to load that.
- Lazy *L = dyn_cast_or_null<Lazy>(find(("__imp_" + Name).str()));
- if (!L || L->PendingArchiveLoad)
+ Lazy *l = dyn_cast_or_null<Lazy>(find(("__imp_" + name).str()));
+ if (!l || l->pendingArchiveLoad)
continue;
- log("Loading lazy " + L->getName() + " from " + L->File->getName() +
+ log("Loading lazy " + l->getName() + " from " + l->file->getName() +
" for automatic import");
- L->PendingArchiveLoad = true;
- L->File->addMember(&L->Sym);
+ l->pendingArchiveLoad = true;
+ l->file->addMember(&l->sym);
}
}
-bool SymbolTable::handleMinGWAutomaticImport(Symbol *Sym, StringRef Name) {
- if (Name.startswith("__imp_"))
+bool SymbolTable::handleMinGWAutomaticImport(Symbol *sym, StringRef name) {
+ if (name.startswith("__imp_"))
return false;
- Defined *Imp = dyn_cast_or_null<Defined>(find(("__imp_" + Name).str()));
- if (!Imp)
+ Defined *imp = dyn_cast_or_null<Defined>(find(("__imp_" + name).str()));
+ if (!imp)
return false;
// Replace the reference directly to a variable with a reference
@@ -196,406 +196,406 @@
// will add runtime pseudo relocations for every relocation against
// this Symbol. The runtime pseudo relocation framework expects the
// reference itself to point at the IAT entry.
- size_t ImpSize = 0;
- if (isa<DefinedImportData>(Imp)) {
- log("Automatically importing " + Name + " from " +
- cast<DefinedImportData>(Imp)->getDLLName());
- ImpSize = sizeof(DefinedImportData);
- } else if (isa<DefinedRegular>(Imp)) {
- log("Automatically importing " + Name + " from " +
- toString(cast<DefinedRegular>(Imp)->File));
- ImpSize = sizeof(DefinedRegular);
+ size_t impSize = 0;
+ if (isa<DefinedImportData>(imp)) {
+ log("Automatically importing " + name + " from " +
+ cast<DefinedImportData>(imp)->getDLLName());
+ impSize = sizeof(DefinedImportData);
+ } else if (isa<DefinedRegular>(imp)) {
+ log("Automatically importing " + name + " from " +
+ toString(cast<DefinedRegular>(imp)->file));
+ impSize = sizeof(DefinedRegular);
} else {
- warn("unable to automatically import " + Name + " from " + Imp->getName() +
- " from " + toString(cast<DefinedRegular>(Imp)->File) +
+ warn("unable to automatically import " + name + " from " + imp->getName() +
+ " from " + toString(cast<DefinedRegular>(imp)->file) +
"; unexpected symbol type");
return false;
}
- Sym->replaceKeepingName(Imp, ImpSize);
- Sym->IsRuntimePseudoReloc = true;
+ sym->replaceKeepingName(imp, impSize);
+ sym->isRuntimePseudoReloc = true;
// There may exist symbols named .refptr.<name> which only consist
// of a single pointer to <name>. If it turns out <name> is
// automatically imported, we don't need to keep the .refptr.<name>
// pointer at all, but redirect all accesses to it to the IAT entry
// for __imp_<name> instead, and drop the whole .refptr.<name> chunk.
- DefinedRegular *Refptr =
- dyn_cast_or_null<DefinedRegular>(find((".refptr." + Name).str()));
- if (Refptr && Refptr->getChunk()->getSize() == Config->Wordsize) {
- SectionChunk *SC = dyn_cast_or_null<SectionChunk>(Refptr->getChunk());
- if (SC && SC->getRelocs().size() == 1 && *SC->symbols().begin() == Sym) {
- log("Replacing .refptr." + Name + " with " + Imp->getName());
- Refptr->getChunk()->Live = false;
- Refptr->replaceKeepingName(Imp, ImpSize);
+ DefinedRegular *refptr =
+ dyn_cast_or_null<DefinedRegular>(find((".refptr." + name).str()));
+ if (refptr && refptr->getChunk()->getSize() == config->wordsize) {
+ SectionChunk *sc = dyn_cast_or_null<SectionChunk>(refptr->getChunk());
+ if (sc && sc->getRelocs().size() == 1 && *sc->symbols().begin() == sym) {
+ log("Replacing .refptr." + name + " with " + imp->getName());
+ refptr->getChunk()->live = false;
+ refptr->replaceKeepingName(imp, impSize);
}
}
return true;
}
void SymbolTable::reportRemainingUndefines() {
- SmallPtrSet<Symbol *, 8> Undefs;
- DenseMap<Symbol *, Symbol *> LocalImports;
+ SmallPtrSet<Symbol *, 8> undefs;
+ DenseMap<Symbol *, Symbol *> localImports;
- for (auto &I : SymMap) {
- Symbol *Sym = I.second;
- auto *Undef = dyn_cast<Undefined>(Sym);
- if (!Undef)
+ for (auto &i : symMap) {
+ Symbol *sym = i.second;
+ auto *undef = dyn_cast<Undefined>(sym);
+ if (!undef)
continue;
- if (!Sym->IsUsedInRegularObj)
+ if (!sym->isUsedInRegularObj)
continue;
- StringRef Name = Undef->getName();
+ StringRef name = undef->getName();
// A weak alias may have been resolved, so check for that.
- if (Defined *D = Undef->getWeakAlias()) {
+ if (Defined *d = undef->getWeakAlias()) {
// We want to replace Sym with D. However, we can't just blindly
// copy sizeof(SymbolUnion) bytes from D to Sym because D may be an
// internal symbol, and internal symbols are stored as "unparented"
// Symbols. For that reason we need to check which type of symbol we
// are dealing with and copy the correct number of bytes.
- if (isa<DefinedRegular>(D))
- memcpy(Sym, D, sizeof(DefinedRegular));
- else if (isa<DefinedAbsolute>(D))
- memcpy(Sym, D, sizeof(DefinedAbsolute));
+ if (isa<DefinedRegular>(d))
+ memcpy(sym, d, sizeof(DefinedRegular));
+ else if (isa<DefinedAbsolute>(d))
+ memcpy(sym, d, sizeof(DefinedAbsolute));
else
- memcpy(Sym, D, sizeof(SymbolUnion));
+ memcpy(sym, d, sizeof(SymbolUnion));
continue;
}
// If we can resolve a symbol by removing __imp_ prefix, do that.
// This odd rule is for compatibility with MSVC linker.
- if (Name.startswith("__imp_")) {
- Symbol *Imp = find(Name.substr(strlen("__imp_")));
- if (Imp && isa<Defined>(Imp)) {
- auto *D = cast<Defined>(Imp);
- replaceSymbol<DefinedLocalImport>(Sym, Name, D);
- LocalImportChunks.push_back(cast<DefinedLocalImport>(Sym)->getChunk());
- LocalImports[Sym] = D;
+ if (name.startswith("__imp_")) {
+ Symbol *imp = find(name.substr(strlen("__imp_")));
+ if (imp && isa<Defined>(imp)) {
+ auto *d = cast<Defined>(imp);
+ replaceSymbol<DefinedLocalImport>(sym, name, d);
+ localImportChunks.push_back(cast<DefinedLocalImport>(sym)->getChunk());
+ localImports[sym] = d;
continue;
}
}
// We don't want to report missing Microsoft precompiled headers symbols.
// A proper message will be emitted instead in PDBLinker::aquirePrecompObj
- if (Name.contains("_PchSym_"))
+ if (name.contains("_PchSym_"))
continue;
- if (Config->MinGW && handleMinGWAutomaticImport(Sym, Name))
+ if (config->mingw && handleMinGWAutomaticImport(sym, name))
continue;
// Remaining undefined symbols are not fatal if /force is specified.
// They are replaced with dummy defined symbols.
- if (Config->ForceUnresolved)
- replaceSymbol<DefinedAbsolute>(Sym, Name, 0);
- Undefs.insert(Sym);
+ if (config->forceUnresolved)
+ replaceSymbol<DefinedAbsolute>(sym, name, 0);
+ undefs.insert(sym);
}
- if (Undefs.empty() && LocalImports.empty())
+ if (undefs.empty() && localImports.empty())
return;
- for (Symbol *B : Config->GCRoot) {
- if (Undefs.count(B))
- errorOrWarn("<root>: undefined symbol: " + toString(*B));
- if (Config->WarnLocallyDefinedImported)
- if (Symbol *Imp = LocalImports.lookup(B))
- warn("<root>: locally defined symbol imported: " + toString(*Imp) +
- " (defined in " + toString(Imp->getFile()) + ") [LNK4217]");
+ for (Symbol *b : config->gCRoot) {
+ if (undefs.count(b))
+ errorOrWarn("<root>: undefined symbol: " + toString(*b));
+ if (config->warnLocallyDefinedImported)
+ if (Symbol *imp = localImports.lookup(b))
+ warn("<root>: locally defined symbol imported: " + toString(*imp) +
+ " (defined in " + toString(imp->getFile()) + ") [LNK4217]");
}
- std::vector<UndefinedDiag> UndefDiags;
- DenseMap<Symbol *, int> FirstDiag;
+ std::vector<UndefinedDiag> undefDiags;
+ DenseMap<Symbol *, int> firstDiag;
- for (ObjFile *File : ObjFile::Instances) {
- size_t SymIndex = (size_t)-1;
- for (Symbol *Sym : File->getSymbols()) {
- ++SymIndex;
- if (!Sym)
+ for (ObjFile *file : ObjFile::instances) {
+ size_t symIndex = (size_t)-1;
+ for (Symbol *sym : file->getSymbols()) {
+ ++symIndex;
+ if (!sym)
continue;
- if (Undefs.count(Sym)) {
- auto it = FirstDiag.find(Sym);
- if (it == FirstDiag.end()) {
- FirstDiag[Sym] = UndefDiags.size();
- UndefDiags.push_back({Sym, {{File, SymIndex}}});
+ if (undefs.count(sym)) {
+ auto it = firstDiag.find(sym);
+ if (it == firstDiag.end()) {
+ firstDiag[sym] = undefDiags.size();
+ undefDiags.push_back({sym, {{file, symIndex}}});
} else {
- UndefDiags[it->second].Files.push_back({File, SymIndex});
+ undefDiags[it->second].files.push_back({file, symIndex});
}
}
- if (Config->WarnLocallyDefinedImported)
- if (Symbol *Imp = LocalImports.lookup(Sym))
- warn(toString(File) +
- ": locally defined symbol imported: " + toString(*Imp) +
- " (defined in " + toString(Imp->getFile()) + ") [LNK4217]");
+ if (config->warnLocallyDefinedImported)
+ if (Symbol *imp = localImports.lookup(sym))
+ warn(toString(file) +
+ ": locally defined symbol imported: " + toString(*imp) +
+ " (defined in " + toString(imp->getFile()) + ") [LNK4217]");
}
}
- for (const UndefinedDiag& UndefDiag : UndefDiags)
- reportUndefinedSymbol(UndefDiag);
+ for (const UndefinedDiag& undefDiag : undefDiags)
+ reportUndefinedSymbol(undefDiag);
}
-std::pair<Symbol *, bool> SymbolTable::insert(StringRef Name) {
- bool Inserted = false;
- Symbol *&Sym = SymMap[CachedHashStringRef(Name)];
- if (!Sym) {
- Sym = reinterpret_cast<Symbol *>(make<SymbolUnion>());
- Sym->IsUsedInRegularObj = false;
- Sym->PendingArchiveLoad = false;
- Inserted = true;
+std::pair<Symbol *, bool> SymbolTable::insert(StringRef name) {
+ bool inserted = false;
+ Symbol *&sym = symMap[CachedHashStringRef(name)];
+ if (!sym) {
+ sym = reinterpret_cast<Symbol *>(make<SymbolUnion>());
+ sym->isUsedInRegularObj = false;
+ sym->pendingArchiveLoad = false;
+ inserted = true;
}
- return {Sym, Inserted};
+ return {sym, inserted};
}
-std::pair<Symbol *, bool> SymbolTable::insert(StringRef Name, InputFile *File) {
- std::pair<Symbol *, bool> Result = insert(Name);
- if (!File || !isa<BitcodeFile>(File))
- Result.first->IsUsedInRegularObj = true;
- return Result;
+std::pair<Symbol *, bool> SymbolTable::insert(StringRef name, InputFile *file) {
+ std::pair<Symbol *, bool> result = insert(name);
+ if (!file || !isa<BitcodeFile>(file))
+ result.first->isUsedInRegularObj = true;
+ return result;
}
-Symbol *SymbolTable::addUndefined(StringRef Name, InputFile *F,
- bool IsWeakAlias) {
- Symbol *S;
- bool WasInserted;
- std::tie(S, WasInserted) = insert(Name, F);
- if (WasInserted || (isa<Lazy>(S) && IsWeakAlias)) {
- replaceSymbol<Undefined>(S, Name);
- return S;
+Symbol *SymbolTable::addUndefined(StringRef name, InputFile *f,
+ bool isWeakAlias) {
+ Symbol *s;
+ bool wasInserted;
+ std::tie(s, wasInserted) = insert(name, f);
+ if (wasInserted || (isa<Lazy>(s) && isWeakAlias)) {
+ replaceSymbol<Undefined>(s, name);
+ return s;
}
- if (auto *L = dyn_cast<Lazy>(S)) {
- if (!S->PendingArchiveLoad) {
- S->PendingArchiveLoad = true;
- L->File->addMember(&L->Sym);
+ if (auto *l = dyn_cast<Lazy>(s)) {
+ if (!s->pendingArchiveLoad) {
+ s->pendingArchiveLoad = true;
+ l->file->addMember(&l->sym);
}
}
- return S;
+ return s;
}
-void SymbolTable::addLazy(ArchiveFile *F, const Archive::Symbol Sym) {
- StringRef Name = Sym.getName();
- Symbol *S;
- bool WasInserted;
- std::tie(S, WasInserted) = insert(Name);
- if (WasInserted) {
- replaceSymbol<Lazy>(S, F, Sym);
+void SymbolTable::addLazy(ArchiveFile *f, const Archive::Symbol sym) {
+ StringRef name = sym.getName();
+ Symbol *s;
+ bool wasInserted;
+ std::tie(s, wasInserted) = insert(name);
+ if (wasInserted) {
+ replaceSymbol<Lazy>(s, f, sym);
return;
}
- auto *U = dyn_cast<Undefined>(S);
- if (!U || U->WeakAlias || S->PendingArchiveLoad)
+ auto *u = dyn_cast<Undefined>(s);
+ if (!u || u->weakAlias || s->pendingArchiveLoad)
return;
- S->PendingArchiveLoad = true;
- F->addMember(&Sym);
+ s->pendingArchiveLoad = true;
+ f->addMember(&sym);
}
-void SymbolTable::reportDuplicate(Symbol *Existing, InputFile *NewFile) {
- std::string Msg = "duplicate symbol: " + toString(*Existing) + " in " +
- toString(Existing->getFile()) + " and in " +
- toString(NewFile);
+void SymbolTable::reportDuplicate(Symbol *existing, InputFile *newFile) {
+ std::string msg = "duplicate symbol: " + toString(*existing) + " in " +
+ toString(existing->getFile()) + " and in " +
+ toString(newFile);
- if (Config->ForceMultiple)
- warn(Msg);
+ if (config->forceMultiple)
+ warn(msg);
else
- error(Msg);
+ error(msg);
}
-Symbol *SymbolTable::addAbsolute(StringRef N, COFFSymbolRef Sym) {
- Symbol *S;
- bool WasInserted;
- std::tie(S, WasInserted) = insert(N, nullptr);
- S->IsUsedInRegularObj = true;
- if (WasInserted || isa<Undefined>(S) || isa<Lazy>(S))
- replaceSymbol<DefinedAbsolute>(S, N, Sym);
- else if (!isa<DefinedCOFF>(S))
- reportDuplicate(S, nullptr);
- return S;
+Symbol *SymbolTable::addAbsolute(StringRef n, COFFSymbolRef sym) {
+ Symbol *s;
+ bool wasInserted;
+ std::tie(s, wasInserted) = insert(n, nullptr);
+ s->isUsedInRegularObj = true;
+ if (wasInserted || isa<Undefined>(s) || isa<Lazy>(s))
+ replaceSymbol<DefinedAbsolute>(s, n, sym);
+ else if (!isa<DefinedCOFF>(s))
+ reportDuplicate(s, nullptr);
+ return s;
}
-Symbol *SymbolTable::addAbsolute(StringRef N, uint64_t VA) {
- Symbol *S;
- bool WasInserted;
- std::tie(S, WasInserted) = insert(N, nullptr);
- S->IsUsedInRegularObj = true;
- if (WasInserted || isa<Undefined>(S) || isa<Lazy>(S))
- replaceSymbol<DefinedAbsolute>(S, N, VA);
- else if (!isa<DefinedCOFF>(S))
- reportDuplicate(S, nullptr);
- return S;
+Symbol *SymbolTable::addAbsolute(StringRef n, uint64_t va) {
+ Symbol *s;
+ bool wasInserted;
+ std::tie(s, wasInserted) = insert(n, nullptr);
+ s->isUsedInRegularObj = true;
+ if (wasInserted || isa<Undefined>(s) || isa<Lazy>(s))
+ replaceSymbol<DefinedAbsolute>(s, n, va);
+ else if (!isa<DefinedCOFF>(s))
+ reportDuplicate(s, nullptr);
+ return s;
}
-Symbol *SymbolTable::addSynthetic(StringRef N, Chunk *C) {
- Symbol *S;
- bool WasInserted;
- std::tie(S, WasInserted) = insert(N, nullptr);
- S->IsUsedInRegularObj = true;
- if (WasInserted || isa<Undefined>(S) || isa<Lazy>(S))
- replaceSymbol<DefinedSynthetic>(S, N, C);
- else if (!isa<DefinedCOFF>(S))
- reportDuplicate(S, nullptr);
- return S;
+Symbol *SymbolTable::addSynthetic(StringRef n, Chunk *c) {
+ Symbol *s;
+ bool wasInserted;
+ std::tie(s, wasInserted) = insert(n, nullptr);
+ s->isUsedInRegularObj = true;
+ if (wasInserted || isa<Undefined>(s) || isa<Lazy>(s))
+ replaceSymbol<DefinedSynthetic>(s, n, c);
+ else if (!isa<DefinedCOFF>(s))
+ reportDuplicate(s, nullptr);
+ return s;
}
-Symbol *SymbolTable::addRegular(InputFile *F, StringRef N,
- const coff_symbol_generic *Sym,
- SectionChunk *C) {
- Symbol *S;
- bool WasInserted;
- std::tie(S, WasInserted) = insert(N, F);
- if (WasInserted || !isa<DefinedRegular>(S))
- replaceSymbol<DefinedRegular>(S, F, N, /*IsCOMDAT*/ false,
- /*IsExternal*/ true, Sym, C);
+Symbol *SymbolTable::addRegular(InputFile *f, StringRef n,
+ const coff_symbol_generic *sym,
+ SectionChunk *c) {
+ Symbol *s;
+ bool wasInserted;
+ std::tie(s, wasInserted) = insert(n, f);
+ if (wasInserted || !isa<DefinedRegular>(s))
+ replaceSymbol<DefinedRegular>(s, f, n, /*IsCOMDAT*/ false,
+ /*IsExternal*/ true, sym, c);
else
- reportDuplicate(S, F);
- return S;
+ reportDuplicate(s, f);
+ return s;
}
std::pair<DefinedRegular *, bool>
-SymbolTable::addComdat(InputFile *F, StringRef N,
- const coff_symbol_generic *Sym) {
- Symbol *S;
- bool WasInserted;
- std::tie(S, WasInserted) = insert(N, F);
- if (WasInserted || !isa<DefinedRegular>(S)) {
- replaceSymbol<DefinedRegular>(S, F, N, /*IsCOMDAT*/ true,
- /*IsExternal*/ true, Sym, nullptr);
- return {cast<DefinedRegular>(S), true};
+SymbolTable::addComdat(InputFile *f, StringRef n,
+ const coff_symbol_generic *sym) {
+ Symbol *s;
+ bool wasInserted;
+ std::tie(s, wasInserted) = insert(n, f);
+ if (wasInserted || !isa<DefinedRegular>(s)) {
+ replaceSymbol<DefinedRegular>(s, f, n, /*IsCOMDAT*/ true,
+ /*IsExternal*/ true, sym, nullptr);
+ return {cast<DefinedRegular>(s), true};
}
- auto *ExistingSymbol = cast<DefinedRegular>(S);
- if (!ExistingSymbol->IsCOMDAT)
- reportDuplicate(S, F);
- return {ExistingSymbol, false};
+ auto *existingSymbol = cast<DefinedRegular>(s);
+ if (!existingSymbol->isCOMDAT)
+ reportDuplicate(s, f);
+ return {existingSymbol, false};
}
-Symbol *SymbolTable::addCommon(InputFile *F, StringRef N, uint64_t Size,
- const coff_symbol_generic *Sym, CommonChunk *C) {
- Symbol *S;
- bool WasInserted;
- std::tie(S, WasInserted) = insert(N, F);
- if (WasInserted || !isa<DefinedCOFF>(S))
- replaceSymbol<DefinedCommon>(S, F, N, Size, Sym, C);
- else if (auto *DC = dyn_cast<DefinedCommon>(S))
- if (Size > DC->getSize())
- replaceSymbol<DefinedCommon>(S, F, N, Size, Sym, C);
- return S;
+Symbol *SymbolTable::addCommon(InputFile *f, StringRef n, uint64_t size,
+ const coff_symbol_generic *sym, CommonChunk *c) {
+ Symbol *s;
+ bool wasInserted;
+ std::tie(s, wasInserted) = insert(n, f);
+ if (wasInserted || !isa<DefinedCOFF>(s))
+ replaceSymbol<DefinedCommon>(s, f, n, size, sym, c);
+ else if (auto *dc = dyn_cast<DefinedCommon>(s))
+ if (size > dc->getSize())
+ replaceSymbol<DefinedCommon>(s, f, n, size, sym, c);
+ return s;
}
-Symbol *SymbolTable::addImportData(StringRef N, ImportFile *F) {
- Symbol *S;
- bool WasInserted;
- std::tie(S, WasInserted) = insert(N, nullptr);
- S->IsUsedInRegularObj = true;
- if (WasInserted || isa<Undefined>(S) || isa<Lazy>(S)) {
- replaceSymbol<DefinedImportData>(S, N, F);
- return S;
+Symbol *SymbolTable::addImportData(StringRef n, ImportFile *f) {
+ Symbol *s;
+ bool wasInserted;
+ std::tie(s, wasInserted) = insert(n, nullptr);
+ s->isUsedInRegularObj = true;
+ if (wasInserted || isa<Undefined>(s) || isa<Lazy>(s)) {
+ replaceSymbol<DefinedImportData>(s, n, f);
+ return s;
}
- reportDuplicate(S, F);
+ reportDuplicate(s, f);
return nullptr;
}
-Symbol *SymbolTable::addImportThunk(StringRef Name, DefinedImportData *ID,
- uint16_t Machine) {
- Symbol *S;
- bool WasInserted;
- std::tie(S, WasInserted) = insert(Name, nullptr);
- S->IsUsedInRegularObj = true;
- if (WasInserted || isa<Undefined>(S) || isa<Lazy>(S)) {
- replaceSymbol<DefinedImportThunk>(S, Name, ID, Machine);
- return S;
+Symbol *SymbolTable::addImportThunk(StringRef name, DefinedImportData *id,
+ uint16_t machine) {
+ Symbol *s;
+ bool wasInserted;
+ std::tie(s, wasInserted) = insert(name, nullptr);
+ s->isUsedInRegularObj = true;
+ if (wasInserted || isa<Undefined>(s) || isa<Lazy>(s)) {
+ replaceSymbol<DefinedImportThunk>(s, name, id, machine);
+ return s;
}
- reportDuplicate(S, ID->File);
+ reportDuplicate(s, id->file);
return nullptr;
}
std::vector<Chunk *> SymbolTable::getChunks() {
- std::vector<Chunk *> Res;
- for (ObjFile *File : ObjFile::Instances) {
- ArrayRef<Chunk *> V = File->getChunks();
- Res.insert(Res.end(), V.begin(), V.end());
+ std::vector<Chunk *> res;
+ for (ObjFile *file : ObjFile::instances) {
+ ArrayRef<Chunk *> v = file->getChunks();
+ res.insert(res.end(), v.begin(), v.end());
}
- return Res;
+ return res;
}
-Symbol *SymbolTable::find(StringRef Name) {
- return SymMap.lookup(CachedHashStringRef(Name));
+Symbol *SymbolTable::find(StringRef name) {
+ return symMap.lookup(CachedHashStringRef(name));
}
-Symbol *SymbolTable::findUnderscore(StringRef Name) {
- if (Config->Machine == I386)
- return find(("_" + Name).str());
- return find(Name);
+Symbol *SymbolTable::findUnderscore(StringRef name) {
+ if (config->machine == I386)
+ return find(("_" + name).str());
+ return find(name);
}
// Return all symbols that start with Prefix, possibly ignoring the first
// character of Prefix or the first character symbol.
-std::vector<Symbol *> SymbolTable::getSymsWithPrefix(StringRef Prefix) {
- std::vector<Symbol *> Syms;
- for (auto Pair : SymMap) {
- StringRef Name = Pair.first.val();
- if (Name.startswith(Prefix) || Name.startswith(Prefix.drop_front()) ||
- Name.drop_front().startswith(Prefix) ||
- Name.drop_front().startswith(Prefix.drop_front())) {
- Syms.push_back(Pair.second);
+std::vector<Symbol *> SymbolTable::getSymsWithPrefix(StringRef prefix) {
+ std::vector<Symbol *> syms;
+ for (auto pair : symMap) {
+ StringRef name = pair.first.val();
+ if (name.startswith(prefix) || name.startswith(prefix.drop_front()) ||
+ name.drop_front().startswith(prefix) ||
+ name.drop_front().startswith(prefix.drop_front())) {
+ syms.push_back(pair.second);
}
}
- return Syms;
+ return syms;
}
-Symbol *SymbolTable::findMangle(StringRef Name) {
- if (Symbol *Sym = find(Name))
- if (!isa<Undefined>(Sym))
- return Sym;
+Symbol *SymbolTable::findMangle(StringRef name) {
+ if (Symbol *sym = find(name))
+ if (!isa<Undefined>(sym))
+ return sym;
// Efficient fuzzy string lookup is impossible with a hash table, so iterate
// the symbol table once and collect all possibly matching symbols into this
// vector. Then compare each possibly matching symbol with each possible
// mangling.
- std::vector<Symbol *> Syms = getSymsWithPrefix(Name);
- auto FindByPrefix = [&Syms](const Twine &T) -> Symbol * {
- std::string Prefix = T.str();
- for (auto *S : Syms)
- if (S->getName().startswith(Prefix))
- return S;
+ std::vector<Symbol *> syms = getSymsWithPrefix(name);
+ auto findByPrefix = [&syms](const Twine &t) -> Symbol * {
+ std::string prefix = t.str();
+ for (auto *s : syms)
+ if (s->getName().startswith(prefix))
+ return s;
return nullptr;
};
// For non-x86, just look for C++ functions.
- if (Config->Machine != I386)
- return FindByPrefix("?" + Name + "@@Y");
+ if (config->machine != I386)
+ return findByPrefix("?" + name + "@@Y");
- if (!Name.startswith("_"))
+ if (!name.startswith("_"))
return nullptr;
// Search for x86 stdcall function.
- if (Symbol *S = FindByPrefix(Name + "@"))
- return S;
+ if (Symbol *s = findByPrefix(name + "@"))
+ return s;
// Search for x86 fastcall function.
- if (Symbol *S = FindByPrefix("@" + Name.substr(1) + "@"))
- return S;
+ if (Symbol *s = findByPrefix("@" + name.substr(1) + "@"))
+ return s;
// Search for x86 vectorcall function.
- if (Symbol *S = FindByPrefix(Name.substr(1) + "@@"))
- return S;
+ if (Symbol *s = findByPrefix(name.substr(1) + "@@"))
+ return s;
// Search for x86 C++ non-member function.
- return FindByPrefix("?" + Name.substr(1) + "@@Y");
+ return findByPrefix("?" + name.substr(1) + "@@Y");
}
-Symbol *SymbolTable::addUndefined(StringRef Name) {
- return addUndefined(Name, nullptr, false);
+Symbol *SymbolTable::addUndefined(StringRef name) {
+ return addUndefined(name, nullptr, false);
}
std::vector<StringRef> SymbolTable::compileBitcodeFiles() {
- LTO.reset(new BitcodeCompiler);
- for (BitcodeFile *F : BitcodeFile::Instances)
- LTO->add(*F);
- return LTO->compile();
+ lto.reset(new BitcodeCompiler);
+ for (BitcodeFile *f : BitcodeFile::instances)
+ lto->add(*f);
+ return lto->compile();
}
void SymbolTable::addCombinedLTOObjects() {
- if (BitcodeFile::Instances.empty())
+ if (BitcodeFile::instances.empty())
return;
- ScopedTimer T(LTOTimer);
- for (StringRef Object : compileBitcodeFiles()) {
- auto *Obj = make<ObjFile>(MemoryBufferRef(Object, "lto.tmp"));
- Obj->parse();
- ObjFile::Instances.push_back(Obj);
+ ScopedTimer t(ltoTimer);
+ for (StringRef object : compileBitcodeFiles()) {
+ auto *obj = make<ObjFile>(MemoryBufferRef(object, "lto.tmp"));
+ obj->parse();
+ ObjFile::instances.push_back(obj);
}
}
diff --git a/lld/COFF/SymbolTable.h b/lld/COFF/SymbolTable.h
index 05417cf..75bd393 100644
--- a/lld/COFF/SymbolTable.h
+++ b/lld/COFF/SymbolTable.h
@@ -47,7 +47,7 @@
// There is one add* function per symbol type.
class SymbolTable {
public:
- void addFile(InputFile *File);
+ void addFile(InputFile *file);
// Try to resolve any undefined symbols and update the symbol table
// accordingly, then print an error message for any remaining undefined
@@ -55,20 +55,20 @@
void reportRemainingUndefines();
void loadMinGWAutomaticImports();
- bool handleMinGWAutomaticImport(Symbol *Sym, StringRef Name);
+ bool handleMinGWAutomaticImport(Symbol *sym, StringRef name);
// Returns a list of chunks of selected symbols.
std::vector<Chunk *> getChunks();
// Returns a symbol for a given name. Returns a nullptr if not found.
- Symbol *find(StringRef Name);
- Symbol *findUnderscore(StringRef Name);
+ Symbol *find(StringRef name);
+ Symbol *findUnderscore(StringRef name);
// Occasionally we have to resolve an undefined symbol to its
// mangled symbol. This function tries to find a mangled name
// for U from the symbol table, and if found, set the symbol as
// a weak alias for U.
- Symbol *findMangle(StringRef Name);
+ Symbol *findMangle(StringRef name);
// Build a set of COFF objects representing the combined contents of
// BitcodeFiles and add them to the symbol table. Called after all files are
@@ -77,53 +77,53 @@
std::vector<StringRef> compileBitcodeFiles();
// Creates an Undefined symbol for a given name.
- Symbol *addUndefined(StringRef Name);
+ Symbol *addUndefined(StringRef name);
- Symbol *addSynthetic(StringRef N, Chunk *C);
- Symbol *addAbsolute(StringRef N, uint64_t VA);
+ Symbol *addSynthetic(StringRef n, Chunk *c);
+ Symbol *addAbsolute(StringRef n, uint64_t va);
- Symbol *addUndefined(StringRef Name, InputFile *F, bool IsWeakAlias);
- void addLazy(ArchiveFile *F, const Archive::Symbol Sym);
- Symbol *addAbsolute(StringRef N, COFFSymbolRef S);
- Symbol *addRegular(InputFile *F, StringRef N,
- const llvm::object::coff_symbol_generic *S = nullptr,
- SectionChunk *C = nullptr);
+ Symbol *addUndefined(StringRef name, InputFile *f, bool isWeakAlias);
+ void addLazy(ArchiveFile *f, const Archive::Symbol sym);
+ Symbol *addAbsolute(StringRef n, COFFSymbolRef s);
+ Symbol *addRegular(InputFile *f, StringRef n,
+ const llvm::object::coff_symbol_generic *s = nullptr,
+ SectionChunk *c = nullptr);
std::pair<DefinedRegular *, bool>
- addComdat(InputFile *F, StringRef N,
- const llvm::object::coff_symbol_generic *S = nullptr);
- Symbol *addCommon(InputFile *F, StringRef N, uint64_t Size,
- const llvm::object::coff_symbol_generic *S = nullptr,
- CommonChunk *C = nullptr);
- Symbol *addImportData(StringRef N, ImportFile *F);
- Symbol *addImportThunk(StringRef Name, DefinedImportData *S,
- uint16_t Machine);
+ addComdat(InputFile *f, StringRef n,
+ const llvm::object::coff_symbol_generic *s = nullptr);
+ Symbol *addCommon(InputFile *f, StringRef n, uint64_t size,
+ const llvm::object::coff_symbol_generic *s = nullptr,
+ CommonChunk *c = nullptr);
+ Symbol *addImportData(StringRef n, ImportFile *f);
+ Symbol *addImportThunk(StringRef name, DefinedImportData *s,
+ uint16_t machine);
- void reportDuplicate(Symbol *Existing, InputFile *NewFile);
+ void reportDuplicate(Symbol *existing, InputFile *newFile);
// A list of chunks which to be added to .rdata.
- std::vector<Chunk *> LocalImportChunks;
+ std::vector<Chunk *> localImportChunks;
// Iterates symbols in non-determinstic hash table order.
- template <typename T> void forEachSymbol(T Callback) {
- for (auto &Pair : SymMap)
- Callback(Pair.second);
+ template <typename T> void forEachSymbol(T callback) {
+ for (auto &pair : symMap)
+ callback(pair.second);
}
private:
/// Inserts symbol if not already present.
- std::pair<Symbol *, bool> insert(StringRef Name);
+ std::pair<Symbol *, bool> insert(StringRef name);
/// Same as insert(Name), but also sets IsUsedInRegularObj.
- std::pair<Symbol *, bool> insert(StringRef Name, InputFile *F);
+ std::pair<Symbol *, bool> insert(StringRef name, InputFile *f);
- std::vector<Symbol *> getSymsWithPrefix(StringRef Prefix);
+ std::vector<Symbol *> getSymsWithPrefix(StringRef prefix);
- llvm::DenseMap<llvm::CachedHashStringRef, Symbol *> SymMap;
- std::unique_ptr<BitcodeCompiler> LTO;
+ llvm::DenseMap<llvm::CachedHashStringRef, Symbol *> symMap;
+ std::unique_ptr<BitcodeCompiler> lto;
};
-extern SymbolTable *Symtab;
+extern SymbolTable *symtab;
-std::vector<std::string> getSymbolLocations(ObjFile *File, uint32_t SymIndex);
+std::vector<std::string> getSymbolLocations(ObjFile *file, uint32_t symIndex);
} // namespace coff
} // namespace lld
diff --git a/lld/COFF/Symbols.cpp b/lld/COFF/Symbols.cpp
index a23429e..3583d4c 100644
--- a/lld/COFF/Symbols.cpp
+++ b/lld/COFF/Symbols.cpp
@@ -24,11 +24,11 @@
"symbols should be optimized for memory usage");
// Returns a symbol name for an error message.
-std::string lld::toString(coff::Symbol &B) {
- if (Config->Demangle)
- if (Optional<std::string> S = lld::demangleMSVC(B.getName()))
- return *S;
- return B.getName();
+std::string lld::toString(coff::Symbol &b) {
+ if (config->demangle)
+ if (Optional<std::string> s = lld::demangleMSVC(b.getName()))
+ return *s;
+ return b.getName();
}
namespace lld {
@@ -42,75 +42,75 @@
// name. Object files contain lots of non-external symbols, and creating
// StringRefs for them (which involves lots of strlen() on the string table)
// is a waste of time.
- if (NameData == nullptr) {
- auto *D = cast<DefinedCOFF>(this);
- StringRef NameStr;
- cast<ObjFile>(D->File)->getCOFFObj()->getSymbolName(D->Sym, NameStr);
- NameData = NameStr.data();
- NameSize = NameStr.size();
- assert(NameSize == NameStr.size() && "name length truncated");
+ if (nameData == nullptr) {
+ auto *d = cast<DefinedCOFF>(this);
+ StringRef nameStr;
+ cast<ObjFile>(d->file)->getCOFFObj()->getSymbolName(d->sym, nameStr);
+ nameData = nameStr.data();
+ nameSize = nameStr.size();
+ assert(nameSize == nameStr.size() && "name length truncated");
}
- return StringRef(NameData, NameSize);
+ return StringRef(nameData, nameSize);
}
InputFile *Symbol::getFile() {
- if (auto *Sym = dyn_cast<DefinedCOFF>(this))
- return Sym->File;
- if (auto *Sym = dyn_cast<Lazy>(this))
- return Sym->File;
+ if (auto *sym = dyn_cast<DefinedCOFF>(this))
+ return sym->file;
+ if (auto *sym = dyn_cast<Lazy>(this))
+ return sym->file;
return nullptr;
}
bool Symbol::isLive() const {
- if (auto *R = dyn_cast<DefinedRegular>(this))
- return R->getChunk()->Live;
- if (auto *Imp = dyn_cast<DefinedImportData>(this))
- return Imp->File->Live;
- if (auto *Imp = dyn_cast<DefinedImportThunk>(this))
- return Imp->WrappedSym->File->ThunkLive;
+ if (auto *r = dyn_cast<DefinedRegular>(this))
+ return r->getChunk()->live;
+ if (auto *imp = dyn_cast<DefinedImportData>(this))
+ return imp->file->live;
+ if (auto *imp = dyn_cast<DefinedImportThunk>(this))
+ return imp->wrappedSym->file->thunkLive;
// Assume any other kind of symbol is live.
return true;
}
// MinGW specific.
-void Symbol::replaceKeepingName(Symbol *Other, size_t Size) {
- StringRef OrigName = getName();
- memcpy(this, Other, Size);
- NameData = OrigName.data();
- NameSize = OrigName.size();
+void Symbol::replaceKeepingName(Symbol *other, size_t size) {
+ StringRef origName = getName();
+ memcpy(this, other, size);
+ nameData = origName.data();
+ nameSize = origName.size();
}
COFFSymbolRef DefinedCOFF::getCOFFSymbol() {
- size_t SymSize = cast<ObjFile>(File)->getCOFFObj()->getSymbolTableEntrySize();
- if (SymSize == sizeof(coff_symbol16))
- return COFFSymbolRef(reinterpret_cast<const coff_symbol16 *>(Sym));
- assert(SymSize == sizeof(coff_symbol32));
- return COFFSymbolRef(reinterpret_cast<const coff_symbol32 *>(Sym));
+ size_t symSize = cast<ObjFile>(file)->getCOFFObj()->getSymbolTableEntrySize();
+ if (symSize == sizeof(coff_symbol16))
+ return COFFSymbolRef(reinterpret_cast<const coff_symbol16 *>(sym));
+ assert(symSize == sizeof(coff_symbol32));
+ return COFFSymbolRef(reinterpret_cast<const coff_symbol32 *>(sym));
}
-uint16_t DefinedAbsolute::NumOutputSections;
+uint16_t DefinedAbsolute::numOutputSections;
-static Chunk *makeImportThunk(DefinedImportData *S, uint16_t Machine) {
- if (Machine == AMD64)
- return make<ImportThunkChunkX64>(S);
- if (Machine == I386)
- return make<ImportThunkChunkX86>(S);
- if (Machine == ARM64)
- return make<ImportThunkChunkARM64>(S);
- assert(Machine == ARMNT);
- return make<ImportThunkChunkARM>(S);
+static Chunk *makeImportThunk(DefinedImportData *s, uint16_t machine) {
+ if (machine == AMD64)
+ return make<ImportThunkChunkX64>(s);
+ if (machine == I386)
+ return make<ImportThunkChunkX86>(s);
+ if (machine == ARM64)
+ return make<ImportThunkChunkARM64>(s);
+ assert(machine == ARMNT);
+ return make<ImportThunkChunkARM>(s);
}
-DefinedImportThunk::DefinedImportThunk(StringRef Name, DefinedImportData *S,
- uint16_t Machine)
- : Defined(DefinedImportThunkKind, Name), WrappedSym(S),
- Data(makeImportThunk(S, Machine)) {}
+DefinedImportThunk::DefinedImportThunk(StringRef name, DefinedImportData *s,
+ uint16_t machine)
+ : Defined(DefinedImportThunkKind, name), wrappedSym(s),
+ data(makeImportThunk(s, machine)) {}
Defined *Undefined::getWeakAlias() {
// A weak alias may be a weak alias to another symbol, so check recursively.
- for (Symbol *A = WeakAlias; A; A = cast<Undefined>(A)->WeakAlias)
- if (auto *D = dyn_cast<Defined>(A))
- return D;
+ for (Symbol *a = weakAlias; a; a = cast<Undefined>(a)->weakAlias)
+ if (auto *d = dyn_cast<Defined>(a))
+ return d;
return nullptr;
}
} // namespace coff
diff --git a/lld/COFF/Symbols.h b/lld/COFF/Symbols.h
index 53e45a8..86cd4f5 100644
--- a/lld/COFF/Symbols.h
+++ b/lld/COFF/Symbols.h
@@ -57,12 +57,12 @@
LastDefinedKind = DefinedSyntheticKind,
};
- Kind kind() const { return static_cast<Kind>(SymbolKind); }
+ Kind kind() const { return static_cast<Kind>(symbolKind); }
// Returns the symbol name.
StringRef getName();
- void replaceKeepingName(Symbol *Other, size_t Size);
+ void replaceKeepingName(Symbol *other, size_t size);
// Returns the file from which this symbol was created.
InputFile *getFile();
@@ -73,50 +73,50 @@
protected:
friend SymbolTable;
- explicit Symbol(Kind K, StringRef N = "")
- : SymbolKind(K), IsExternal(true), IsCOMDAT(false),
- WrittenToSymtab(false), PendingArchiveLoad(false), IsGCRoot(false),
- IsRuntimePseudoReloc(false), NameSize(N.size()),
- NameData(N.empty() ? nullptr : N.data()) {}
+ explicit Symbol(Kind k, StringRef n = "")
+ : symbolKind(k), isExternal(true), isCOMDAT(false),
+ writtenToSymtab(false), pendingArchiveLoad(false), isGCRoot(false),
+ isRuntimePseudoReloc(false), nameSize(n.size()),
+ nameData(n.empty() ? nullptr : n.data()) {}
- const unsigned SymbolKind : 8;
- unsigned IsExternal : 1;
+ const unsigned symbolKind : 8;
+ unsigned isExternal : 1;
public:
// This bit is used by the \c DefinedRegular subclass.
- unsigned IsCOMDAT : 1;
+ unsigned isCOMDAT : 1;
// This bit is used by Writer::createSymbolAndStringTable() to prevent
// symbols from being written to the symbol table more than once.
- unsigned WrittenToSymtab : 1;
+ unsigned writtenToSymtab : 1;
// True if this symbol was referenced by a regular (non-bitcode) object.
- unsigned IsUsedInRegularObj : 1;
+ unsigned isUsedInRegularObj : 1;
// True if we've seen both a lazy and an undefined symbol with this symbol
// name, which means that we have enqueued an archive member load and should
// not load any more archive members to resolve the same symbol.
- unsigned PendingArchiveLoad : 1;
+ unsigned pendingArchiveLoad : 1;
/// True if we've already added this symbol to the list of GC roots.
- unsigned IsGCRoot : 1;
+ unsigned isGCRoot : 1;
- unsigned IsRuntimePseudoReloc : 1;
+ unsigned isRuntimePseudoReloc : 1;
protected:
// Symbol name length. Assume symbol lengths fit in a 32-bit integer.
- uint32_t NameSize;
+ uint32_t nameSize;
- const char *NameData;
+ const char *nameData;
};
// The base class for any defined symbols, including absolute symbols,
// etc.
class Defined : public Symbol {
public:
- Defined(Kind K, StringRef N) : Symbol(K, N) {}
+ Defined(Kind k, StringRef n) : Symbol(k, n) {}
- static bool classof(const Symbol *S) { return S->kind() <= LastDefinedKind; }
+ static bool classof(const Symbol *s) { return s->kind() <= LastDefinedKind; }
// Returns the RVA (relative virtual address) of this symbol. The
// writer sets and uses RVAs.
@@ -135,114 +135,114 @@
friend Symbol;
public:
- DefinedCOFF(Kind K, InputFile *F, StringRef N, const coff_symbol_generic *S)
- : Defined(K, N), File(F), Sym(S) {}
+ DefinedCOFF(Kind k, InputFile *f, StringRef n, const coff_symbol_generic *s)
+ : Defined(k, n), file(f), sym(s) {}
- static bool classof(const Symbol *S) {
- return S->kind() <= LastDefinedCOFFKind;
+ static bool classof(const Symbol *s) {
+ return s->kind() <= LastDefinedCOFFKind;
}
- InputFile *getFile() { return File; }
+ InputFile *getFile() { return file; }
COFFSymbolRef getCOFFSymbol();
- InputFile *File;
+ InputFile *file;
protected:
- const coff_symbol_generic *Sym;
+ const coff_symbol_generic *sym;
};
// Regular defined symbols read from object file symbol tables.
class DefinedRegular : public DefinedCOFF {
public:
- DefinedRegular(InputFile *F, StringRef N, bool IsCOMDAT,
- bool IsExternal = false,
- const coff_symbol_generic *S = nullptr,
- SectionChunk *C = nullptr)
- : DefinedCOFF(DefinedRegularKind, F, N, S), Data(C ? &C->Repl : nullptr) {
- this->IsExternal = IsExternal;
- this->IsCOMDAT = IsCOMDAT;
+ DefinedRegular(InputFile *f, StringRef n, bool isCOMDAT,
+ bool isExternal = false,
+ const coff_symbol_generic *s = nullptr,
+ SectionChunk *c = nullptr)
+ : DefinedCOFF(DefinedRegularKind, f, n, s), data(c ? &c->repl : nullptr) {
+ this->isExternal = isExternal;
+ this->isCOMDAT = isCOMDAT;
}
- static bool classof(const Symbol *S) {
- return S->kind() == DefinedRegularKind;
+ static bool classof(const Symbol *s) {
+ return s->kind() == DefinedRegularKind;
}
- uint64_t getRVA() const { return (*Data)->getRVA() + Sym->Value; }
- SectionChunk *getChunk() const { return *Data; }
- uint32_t getValue() const { return Sym->Value; }
+ uint64_t getRVA() const { return (*data)->getRVA() + sym->Value; }
+ SectionChunk *getChunk() const { return *data; }
+ uint32_t getValue() const { return sym->Value; }
- SectionChunk **Data;
+ SectionChunk **data;
};
class DefinedCommon : public DefinedCOFF {
public:
- DefinedCommon(InputFile *F, StringRef N, uint64_t Size,
- const coff_symbol_generic *S = nullptr,
- CommonChunk *C = nullptr)
- : DefinedCOFF(DefinedCommonKind, F, N, S), Data(C), Size(Size) {
- this->IsExternal = true;
+ DefinedCommon(InputFile *f, StringRef n, uint64_t size,
+ const coff_symbol_generic *s = nullptr,
+ CommonChunk *c = nullptr)
+ : DefinedCOFF(DefinedCommonKind, f, n, s), data(c), size(size) {
+ this->isExternal = true;
}
- static bool classof(const Symbol *S) {
- return S->kind() == DefinedCommonKind;
+ static bool classof(const Symbol *s) {
+ return s->kind() == DefinedCommonKind;
}
- uint64_t getRVA() { return Data->getRVA(); }
- CommonChunk *getChunk() { return Data; }
+ uint64_t getRVA() { return data->getRVA(); }
+ CommonChunk *getChunk() { return data; }
private:
friend SymbolTable;
- uint64_t getSize() const { return Size; }
- CommonChunk *Data;
- uint64_t Size;
+ uint64_t getSize() const { return size; }
+ CommonChunk *data;
+ uint64_t size;
};
// Absolute symbols.
class DefinedAbsolute : public Defined {
public:
- DefinedAbsolute(StringRef N, COFFSymbolRef S)
- : Defined(DefinedAbsoluteKind, N), VA(S.getValue()) {
- IsExternal = S.isExternal();
+ DefinedAbsolute(StringRef n, COFFSymbolRef s)
+ : Defined(DefinedAbsoluteKind, n), va(s.getValue()) {
+ isExternal = s.isExternal();
}
- DefinedAbsolute(StringRef N, uint64_t V)
- : Defined(DefinedAbsoluteKind, N), VA(V) {}
+ DefinedAbsolute(StringRef n, uint64_t v)
+ : Defined(DefinedAbsoluteKind, n), va(v) {}
- static bool classof(const Symbol *S) {
- return S->kind() == DefinedAbsoluteKind;
+ static bool classof(const Symbol *s) {
+ return s->kind() == DefinedAbsoluteKind;
}
- uint64_t getRVA() { return VA - Config->ImageBase; }
- void setVA(uint64_t V) { VA = V; }
+ uint64_t getRVA() { return va - config->imageBase; }
+ void setVA(uint64_t v) { va = v; }
// Section index relocations against absolute symbols resolve to
// this 16 bit number, and it is the largest valid section index
// plus one. This variable keeps it.
- static uint16_t NumOutputSections;
+ static uint16_t numOutputSections;
private:
- uint64_t VA;
+ uint64_t va;
};
// This symbol is used for linker-synthesized symbols like __ImageBase and
// __safe_se_handler_table.
class DefinedSynthetic : public Defined {
public:
- explicit DefinedSynthetic(StringRef Name, Chunk *C)
- : Defined(DefinedSyntheticKind, Name), C(C) {}
+ explicit DefinedSynthetic(StringRef name, Chunk *c)
+ : Defined(DefinedSyntheticKind, name), c(c) {}
- static bool classof(const Symbol *S) {
- return S->kind() == DefinedSyntheticKind;
+ static bool classof(const Symbol *s) {
+ return s->kind() == DefinedSyntheticKind;
}
// A null chunk indicates that this is __ImageBase. Otherwise, this is some
// other synthesized chunk, like SEHTableChunk.
- uint32_t getRVA() { return C ? C->getRVA() : 0; }
- Chunk *getChunk() { return C; }
+ uint32_t getRVA() { return c ? c->getRVA() : 0; }
+ Chunk *getChunk() { return c; }
private:
- Chunk *C;
+ Chunk *c;
};
// This class represents a symbol defined in an archive file. It is
@@ -252,32 +252,32 @@
// the same name, it will ask the Lazy to load a file.
class Lazy : public Symbol {
public:
- Lazy(ArchiveFile *F, const Archive::Symbol S)
- : Symbol(LazyKind, S.getName()), File(F), Sym(S) {}
+ Lazy(ArchiveFile *f, const Archive::Symbol s)
+ : Symbol(LazyKind, s.getName()), file(f), sym(s) {}
- static bool classof(const Symbol *S) { return S->kind() == LazyKind; }
+ static bool classof(const Symbol *s) { return s->kind() == LazyKind; }
- ArchiveFile *File;
+ ArchiveFile *file;
private:
friend SymbolTable;
private:
- const Archive::Symbol Sym;
+ const Archive::Symbol sym;
};
// Undefined symbols.
class Undefined : public Symbol {
public:
- explicit Undefined(StringRef N) : Symbol(UndefinedKind, N) {}
+ explicit Undefined(StringRef n) : Symbol(UndefinedKind, n) {}
- static bool classof(const Symbol *S) { return S->kind() == UndefinedKind; }
+ static bool classof(const Symbol *s) { return s->kind() == UndefinedKind; }
// An undefined symbol can have a fallback symbol which gives an
// undefined symbol a second chance if it would remain undefined.
// If it remains undefined, it'll be replaced with whatever the
// Alias pointer points to.
- Symbol *WeakAlias = nullptr;
+ Symbol *weakAlias = nullptr;
// If this symbol is external weak, try to resolve it to a defined
// symbol by searching the chain of fallback symbols. Returns the symbol if
@@ -293,23 +293,23 @@
// table in an output. The former has "__imp_" prefix.
class DefinedImportData : public Defined {
public:
- DefinedImportData(StringRef N, ImportFile *F)
- : Defined(DefinedImportDataKind, N), File(F) {
+ DefinedImportData(StringRef n, ImportFile *f)
+ : Defined(DefinedImportDataKind, n), file(f) {
}
- static bool classof(const Symbol *S) {
- return S->kind() == DefinedImportDataKind;
+ static bool classof(const Symbol *s) {
+ return s->kind() == DefinedImportDataKind;
}
- uint64_t getRVA() { return File->Location->getRVA(); }
- Chunk *getChunk() { return File->Location; }
- void setLocation(Chunk *AddressTable) { File->Location = AddressTable; }
+ uint64_t getRVA() { return file->location->getRVA(); }
+ Chunk *getChunk() { return file->location; }
+ void setLocation(Chunk *addressTable) { file->location = addressTable; }
- StringRef getDLLName() { return File->DLLName; }
- StringRef getExternalName() { return File->ExternalName; }
- uint16_t getOrdinal() { return File->Hdr->OrdinalHint; }
+ StringRef getDLLName() { return file->dllName; }
+ StringRef getExternalName() { return file->externalName; }
+ uint16_t getOrdinal() { return file->hdr->OrdinalHint; }
- ImportFile *File;
+ ImportFile *file;
};
// This class represents a symbol for a jump table entry which jumps
@@ -319,19 +319,19 @@
// a regular name. A function pointer is given as a DefinedImportData.
class DefinedImportThunk : public Defined {
public:
- DefinedImportThunk(StringRef Name, DefinedImportData *S, uint16_t Machine);
+ DefinedImportThunk(StringRef name, DefinedImportData *s, uint16_t machine);
- static bool classof(const Symbol *S) {
- return S->kind() == DefinedImportThunkKind;
+ static bool classof(const Symbol *s) {
+ return s->kind() == DefinedImportThunkKind;
}
- uint64_t getRVA() { return Data->getRVA(); }
- Chunk *getChunk() { return Data; }
+ uint64_t getRVA() { return data->getRVA(); }
+ Chunk *getChunk() { return data; }
- DefinedImportData *WrappedSym;
+ DefinedImportData *wrappedSym;
private:
- Chunk *Data;
+ Chunk *data;
};
// If you have a symbol "foo" in your object file, a symbol name
@@ -341,18 +341,18 @@
// This is here just for compatibility with MSVC.
class DefinedLocalImport : public Defined {
public:
- DefinedLocalImport(StringRef N, Defined *S)
- : Defined(DefinedLocalImportKind, N), Data(make<LocalImportChunk>(S)) {}
+ DefinedLocalImport(StringRef n, Defined *s)
+ : Defined(DefinedLocalImportKind, n), data(make<LocalImportChunk>(s)) {}
- static bool classof(const Symbol *S) {
- return S->kind() == DefinedLocalImportKind;
+ static bool classof(const Symbol *s) {
+ return s->kind() == DefinedLocalImportKind;
}
- uint64_t getRVA() { return Data->getRVA(); }
- Chunk *getChunk() { return Data; }
+ uint64_t getRVA() { return data->getRVA(); }
+ Chunk *getChunk() { return data; }
private:
- LocalImportChunk *Data;
+ LocalImportChunk *data;
};
inline uint64_t Defined::getRVA() {
@@ -405,19 +405,19 @@
// object. We allocate memory using this class and instantiate a symbol
// using the placement new.
union SymbolUnion {
- alignas(DefinedRegular) char A[sizeof(DefinedRegular)];
- alignas(DefinedCommon) char B[sizeof(DefinedCommon)];
- alignas(DefinedAbsolute) char C[sizeof(DefinedAbsolute)];
- alignas(DefinedSynthetic) char D[sizeof(DefinedSynthetic)];
- alignas(Lazy) char E[sizeof(Lazy)];
- alignas(Undefined) char F[sizeof(Undefined)];
- alignas(DefinedImportData) char G[sizeof(DefinedImportData)];
- alignas(DefinedImportThunk) char H[sizeof(DefinedImportThunk)];
- alignas(DefinedLocalImport) char I[sizeof(DefinedLocalImport)];
+ alignas(DefinedRegular) char a[sizeof(DefinedRegular)];
+ alignas(DefinedCommon) char b[sizeof(DefinedCommon)];
+ alignas(DefinedAbsolute) char c[sizeof(DefinedAbsolute)];
+ alignas(DefinedSynthetic) char d[sizeof(DefinedSynthetic)];
+ alignas(Lazy) char e[sizeof(Lazy)];
+ alignas(Undefined) char f[sizeof(Undefined)];
+ alignas(DefinedImportData) char g[sizeof(DefinedImportData)];
+ alignas(DefinedImportThunk) char h[sizeof(DefinedImportThunk)];
+ alignas(DefinedLocalImport) char i[sizeof(DefinedLocalImport)];
};
template <typename T, typename... ArgT>
-void replaceSymbol(Symbol *S, ArgT &&... Arg) {
+void replaceSymbol(Symbol *s, ArgT &&... arg) {
static_assert(std::is_trivially_destructible<T>(),
"Symbol types must be trivially destructible");
static_assert(sizeof(T) <= sizeof(SymbolUnion), "Symbol too small");
@@ -425,11 +425,11 @@
"SymbolUnion not aligned enough");
assert(static_cast<Symbol *>(static_cast<T *>(nullptr)) == nullptr &&
"Not a Symbol");
- new (S) T(std::forward<ArgT>(Arg)...);
+ new (s) T(std::forward<ArgT>(arg)...);
}
} // namespace coff
-std::string toString(coff::Symbol &B);
+std::string toString(coff::Symbol &b);
} // namespace lld
#endif
diff --git a/lld/COFF/TypeMerger.h b/lld/COFF/TypeMerger.h
index 6580770..e2cfe66 100644
--- a/lld/COFF/TypeMerger.h
+++ b/lld/COFF/TypeMerger.h
@@ -19,44 +19,44 @@
class TypeMerger {
public:
- TypeMerger(llvm::BumpPtrAllocator &Alloc)
- : TypeTable(Alloc), IDTable(Alloc), GlobalTypeTable(Alloc),
- GlobalIDTable(Alloc) {}
+ TypeMerger(llvm::BumpPtrAllocator &alloc)
+ : typeTable(alloc), iDTable(alloc), globalTypeTable(alloc),
+ globalIDTable(alloc) {}
/// Get the type table or the global type table if /DEBUG:GHASH is enabled.
inline llvm::codeview::TypeCollection &getTypeTable() {
- if (Config->DebugGHashes)
- return GlobalTypeTable;
- return TypeTable;
+ if (config->debugGHashes)
+ return globalTypeTable;
+ return typeTable;
}
/// Get the ID table or the global ID table if /DEBUG:GHASH is enabled.
inline llvm::codeview::TypeCollection &getIDTable() {
- if (Config->DebugGHashes)
- return GlobalIDTable;
- return IDTable;
+ if (config->debugGHashes)
+ return globalIDTable;
+ return iDTable;
}
/// Type records that will go into the PDB TPI stream.
- llvm::codeview::MergingTypeTableBuilder TypeTable;
+ llvm::codeview::MergingTypeTableBuilder typeTable;
/// Item records that will go into the PDB IPI stream.
- llvm::codeview::MergingTypeTableBuilder IDTable;
+ llvm::codeview::MergingTypeTableBuilder iDTable;
/// Type records that will go into the PDB TPI stream (for /DEBUG:GHASH)
- llvm::codeview::GlobalTypeTableBuilder GlobalTypeTable;
+ llvm::codeview::GlobalTypeTableBuilder globalTypeTable;
/// Item records that will go into the PDB IPI stream (for /DEBUG:GHASH)
- llvm::codeview::GlobalTypeTableBuilder GlobalIDTable;
+ llvm::codeview::GlobalTypeTableBuilder globalIDTable;
};
/// Map from type index and item index in a type server PDB to the
/// corresponding index in the destination PDB.
struct CVIndexMap {
- llvm::SmallVector<llvm::codeview::TypeIndex, 0> TPIMap;
- llvm::SmallVector<llvm::codeview::TypeIndex, 0> IPIMap;
- bool IsTypeServerMap = false;
- bool IsPrecompiledTypeMap = false;
+ llvm::SmallVector<llvm::codeview::TypeIndex, 0> tpiMap;
+ llvm::SmallVector<llvm::codeview::TypeIndex, 0> ipiMap;
+ bool isTypeServerMap = false;
+ bool isPrecompiledTypeMap = false;
};
} // namespace coff
diff --git a/lld/COFF/Writer.cpp b/lld/COFF/Writer.cpp
index 64ed0a1..46b1af0 100644
--- a/lld/COFF/Writer.cpp
+++ b/lld/COFF/Writer.cpp
@@ -63,105 +63,105 @@
$ nasm -fbin /tmp/DOSProgram.asm -o /tmp/DOSProgram.bin
$ xxd -i /tmp/DOSProgram.bin
*/
-static unsigned char DOSProgram[] = {
+static unsigned char dosProgram[] = {
0x0e, 0x1f, 0xba, 0x0e, 0x00, 0xb4, 0x09, 0xcd, 0x21, 0xb8, 0x01, 0x4c,
0xcd, 0x21, 0x54, 0x68, 0x69, 0x73, 0x20, 0x70, 0x72, 0x6f, 0x67, 0x72,
0x61, 0x6d, 0x20, 0x63, 0x61, 0x6e, 0x6e, 0x6f, 0x74, 0x20, 0x62, 0x65,
0x20, 0x72, 0x75, 0x6e, 0x20, 0x69, 0x6e, 0x20, 0x44, 0x4f, 0x53, 0x20,
0x6d, 0x6f, 0x64, 0x65, 0x2e, 0x24, 0x00, 0x00
};
-static_assert(sizeof(DOSProgram) % 8 == 0,
+static_assert(sizeof(dosProgram) % 8 == 0,
"DOSProgram size must be multiple of 8");
-static const int DOSStubSize = sizeof(dos_header) + sizeof(DOSProgram);
-static_assert(DOSStubSize % 8 == 0, "DOSStub size must be multiple of 8");
+static const int dosStubSize = sizeof(dos_header) + sizeof(dosProgram);
+static_assert(dosStubSize % 8 == 0, "DOSStub size must be multiple of 8");
-static const int NumberOfDataDirectory = 16;
+static const int numberOfDataDirectory = 16;
// Global vector of all output sections. After output sections are finalized,
// this can be indexed by Chunk::getOutputSection.
-static std::vector<OutputSection *> OutputSections;
+static std::vector<OutputSection *> outputSections;
OutputSection *Chunk::getOutputSection() const {
- return OSIdx == 0 ? nullptr : OutputSections[OSIdx - 1];
+ return osidx == 0 ? nullptr : outputSections[osidx - 1];
}
namespace {
class DebugDirectoryChunk : public NonSectionChunk {
public:
- DebugDirectoryChunk(const std::vector<Chunk *> &R, bool WriteRepro)
- : Records(R), WriteRepro(WriteRepro) {}
+ DebugDirectoryChunk(const std::vector<Chunk *> &r, bool writeRepro)
+ : records(r), writeRepro(writeRepro) {}
size_t getSize() const override {
- return (Records.size() + int(WriteRepro)) * sizeof(debug_directory);
+ return (records.size() + int(writeRepro)) * sizeof(debug_directory);
}
- void writeTo(uint8_t *B) const override {
- auto *D = reinterpret_cast<debug_directory *>(B);
+ void writeTo(uint8_t *b) const override {
+ auto *d = reinterpret_cast<debug_directory *>(b);
- for (const Chunk *Record : Records) {
- OutputSection *OS = Record->getOutputSection();
- uint64_t Offs = OS->getFileOff() + (Record->getRVA() - OS->getRVA());
- fillEntry(D, COFF::IMAGE_DEBUG_TYPE_CODEVIEW, Record->getSize(),
- Record->getRVA(), Offs);
- ++D;
+ for (const Chunk *record : records) {
+ OutputSection *os = record->getOutputSection();
+ uint64_t offs = os->getFileOff() + (record->getRVA() - os->getRVA());
+ fillEntry(d, COFF::IMAGE_DEBUG_TYPE_CODEVIEW, record->getSize(),
+ record->getRVA(), offs);
+ ++d;
}
- if (WriteRepro) {
+ if (writeRepro) {
// FIXME: The COFF spec allows either a 0-sized entry to just say
// "the timestamp field is really a hash", or a 4-byte size field
// followed by that many bytes containing a longer hash (with the
// lowest 4 bytes usually being the timestamp in little-endian order).
// Consider storing the full 8 bytes computed by xxHash64 here.
- fillEntry(D, COFF::IMAGE_DEBUG_TYPE_REPRO, 0, 0, 0);
+ fillEntry(d, COFF::IMAGE_DEBUG_TYPE_REPRO, 0, 0, 0);
}
}
- void setTimeDateStamp(uint32_t TimeDateStamp) {
- for (support::ulittle32_t *TDS : TimeDateStamps)
- *TDS = TimeDateStamp;
+ void setTimeDateStamp(uint32_t timeDateStamp) {
+ for (support::ulittle32_t *tds : timeDateStamps)
+ *tds = timeDateStamp;
}
private:
- void fillEntry(debug_directory *D, COFF::DebugType DebugType, size_t Size,
- uint64_t RVA, uint64_t Offs) const {
- D->Characteristics = 0;
- D->TimeDateStamp = 0;
- D->MajorVersion = 0;
- D->MinorVersion = 0;
- D->Type = DebugType;
- D->SizeOfData = Size;
- D->AddressOfRawData = RVA;
- D->PointerToRawData = Offs;
+ void fillEntry(debug_directory *d, COFF::DebugType debugType, size_t size,
+ uint64_t rva, uint64_t offs) const {
+ d->Characteristics = 0;
+ d->TimeDateStamp = 0;
+ d->MajorVersion = 0;
+ d->MinorVersion = 0;
+ d->Type = debugType;
+ d->SizeOfData = size;
+ d->AddressOfRawData = rva;
+ d->PointerToRawData = offs;
- TimeDateStamps.push_back(&D->TimeDateStamp);
+ timeDateStamps.push_back(&d->TimeDateStamp);
}
- mutable std::vector<support::ulittle32_t *> TimeDateStamps;
- const std::vector<Chunk *> &Records;
- bool WriteRepro;
+ mutable std::vector<support::ulittle32_t *> timeDateStamps;
+ const std::vector<Chunk *> &records;
+ bool writeRepro;
};
class CVDebugRecordChunk : public NonSectionChunk {
public:
size_t getSize() const override {
- return sizeof(codeview::DebugInfo) + Config->PDBAltPath.size() + 1;
+ return sizeof(codeview::DebugInfo) + config->pdbAltPath.size() + 1;
}
- void writeTo(uint8_t *B) const override {
+ void writeTo(uint8_t *b) const override {
// Save off the DebugInfo entry to backfill the file signature (build id)
// in Writer::writeBuildId
- BuildId = reinterpret_cast<codeview::DebugInfo *>(B);
+ buildId = reinterpret_cast<codeview::DebugInfo *>(b);
// variable sized field (PDB Path)
- char *P = reinterpret_cast<char *>(B + sizeof(*BuildId));
- if (!Config->PDBAltPath.empty())
- memcpy(P, Config->PDBAltPath.data(), Config->PDBAltPath.size());
- P[Config->PDBAltPath.size()] = '\0';
+ char *p = reinterpret_cast<char *>(b + sizeof(*buildId));
+ if (!config->pdbAltPath.empty())
+ memcpy(p, config->pdbAltPath.data(), config->pdbAltPath.size());
+ p[config->pdbAltPath.size()] = '\0';
}
- mutable codeview::DebugInfo *BuildId = nullptr;
+ mutable codeview::DebugInfo *buildId = nullptr;
};
// PartialSection represents a group of chunks that contribute to an
@@ -169,15 +169,15 @@
// characteristics constitutes the OutputSection.
class PartialSectionKey {
public:
- StringRef Name;
- unsigned Characteristics;
+ StringRef name;
+ unsigned characteristics;
- bool operator<(const PartialSectionKey &Other) const {
- int C = Name.compare(Other.Name);
- if (C == 1)
+ bool operator<(const PartialSectionKey &other) const {
+ int c = name.compare(other.name);
+ if (c == 1)
return false;
- if (C == 0)
- return Characteristics < Other.Characteristics;
+ if (c == 0)
+ return characteristics < other.characteristics;
return true;
}
};
@@ -185,7 +185,7 @@
// The writer writes a SymbolTable result to a file.
class Writer {
public:
- Writer() : Buffer(errorHandler().OutputBuffer) {}
+ Writer() : buffer(errorHandler().outputBuffer) {}
void run();
private:
@@ -202,72 +202,72 @@
void removeEmptySections();
void assignOutputSectionIndices();
void createSymbolAndStringTable();
- void openFile(StringRef OutputPath);
+ void openFile(StringRef outputPath);
template <typename PEHeaderTy> void writeHeader();
void createSEHTable();
void createRuntimePseudoRelocs();
void insertCtorDtorSymbols();
void createGuardCFTables();
- void markSymbolsForRVATable(ObjFile *File,
- ArrayRef<SectionChunk *> SymIdxChunks,
- SymbolRVASet &TableSymbols);
- void maybeAddRVATable(SymbolRVASet TableSymbols, StringRef TableSym,
- StringRef CountSym);
+ void markSymbolsForRVATable(ObjFile *file,
+ ArrayRef<SectionChunk *> symIdxChunks,
+ SymbolRVASet &tableSymbols);
+ void maybeAddRVATable(SymbolRVASet tableSymbols, StringRef tableSym,
+ StringRef countSym);
void setSectionPermissions();
void writeSections();
void writeBuildId();
void sortExceptionTable();
- void sortCRTSectionChunks(std::vector<Chunk *> &Chunks);
+ void sortCRTSectionChunks(std::vector<Chunk *> &chunks);
void addSyntheticIdata();
- void fixPartialSectionChars(StringRef Name, uint32_t Chars);
+ void fixPartialSectionChars(StringRef name, uint32_t chars);
bool fixGnuImportChunks();
- PartialSection *createPartialSection(StringRef Name, uint32_t OutChars);
- PartialSection *findPartialSection(StringRef Name, uint32_t OutChars);
+ PartialSection *createPartialSection(StringRef name, uint32_t outChars);
+ PartialSection *findPartialSection(StringRef name, uint32_t outChars);
- llvm::Optional<coff_symbol16> createSymbol(Defined *D);
- size_t addEntryToStringTable(StringRef Str);
+ llvm::Optional<coff_symbol16> createSymbol(Defined *d);
+ size_t addEntryToStringTable(StringRef str);
- OutputSection *findSection(StringRef Name);
+ OutputSection *findSection(StringRef name);
void addBaserels();
- void addBaserelBlocks(std::vector<Baserel> &V);
+ void addBaserelBlocks(std::vector<Baserel> &v);
uint32_t getSizeOfInitializedData();
- std::unique_ptr<FileOutputBuffer> &Buffer;
- std::map<PartialSectionKey, PartialSection *> PartialSections;
- std::vector<char> Strtab;
- std::vector<llvm::object::coff_symbol16> OutputSymtab;
- IdataContents Idata;
- Chunk *ImportTableStart = nullptr;
- uint64_t ImportTableSize = 0;
- Chunk *IATStart = nullptr;
- uint64_t IATSize = 0;
- DelayLoadContents DelayIdata;
- EdataContents Edata;
- bool SetNoSEHCharacteristic = false;
+ std::unique_ptr<FileOutputBuffer> &buffer;
+ std::map<PartialSectionKey, PartialSection *> partialSections;
+ std::vector<char> strtab;
+ std::vector<llvm::object::coff_symbol16> outputSymtab;
+ IdataContents idata;
+ Chunk *importTableStart = nullptr;
+ uint64_t importTableSize = 0;
+ Chunk *iatStart = nullptr;
+ uint64_t iatSize = 0;
+ DelayLoadContents delayIdata;
+ EdataContents edata;
+ bool setNoSEHCharacteristic = false;
- DebugDirectoryChunk *DebugDirectory = nullptr;
- std::vector<Chunk *> DebugRecords;
- CVDebugRecordChunk *BuildId = nullptr;
- ArrayRef<uint8_t> SectionTable;
+ DebugDirectoryChunk *debugDirectory = nullptr;
+ std::vector<Chunk *> debugRecords;
+ CVDebugRecordChunk *buildId = nullptr;
+ ArrayRef<uint8_t> sectionTable;
- uint64_t FileSize;
- uint32_t PointerToSymbolTable = 0;
- uint64_t SizeOfImage;
- uint64_t SizeOfHeaders;
+ uint64_t fileSize;
+ uint32_t pointerToSymbolTable = 0;
+ uint64_t sizeOfImage;
+ uint64_t sizeOfHeaders;
- OutputSection *TextSec;
- OutputSection *RdataSec;
- OutputSection *BuildidSec;
- OutputSection *DataSec;
- OutputSection *PdataSec;
- OutputSection *IdataSec;
- OutputSection *EdataSec;
- OutputSection *DidatSec;
- OutputSection *RsrcSec;
- OutputSection *RelocSec;
- OutputSection *CtorsSec;
- OutputSection *DtorsSec;
+ OutputSection *textSec;
+ OutputSection *rdataSec;
+ OutputSection *buildidSec;
+ OutputSection *dataSec;
+ OutputSection *pdataSec;
+ OutputSection *idataSec;
+ OutputSection *edataSec;
+ OutputSection *didatSec;
+ OutputSection *rsrcSec;
+ OutputSection *relocSec;
+ OutputSection *ctorsSec;
+ OutputSection *dtorsSec;
// The first and last .pdata sections in the output file.
//
@@ -278,57 +278,57 @@
// are entirely linker-generated we can keep track of their locations using
// the chunks that the linker creates. All .pdata chunks come from input
// files, so we need to keep track of them separately.
- Chunk *FirstPdata = nullptr;
- Chunk *LastPdata;
+ Chunk *firstPdata = nullptr;
+ Chunk *lastPdata;
};
} // anonymous namespace
namespace lld {
namespace coff {
-static Timer CodeLayoutTimer("Code Layout", Timer::root());
-static Timer DiskCommitTimer("Commit Output File", Timer::root());
+static Timer codeLayoutTimer("Code Layout", Timer::root());
+static Timer diskCommitTimer("Commit Output File", Timer::root());
void writeResult() { Writer().run(); }
-void OutputSection::addChunk(Chunk *C) {
- Chunks.push_back(C);
+void OutputSection::addChunk(Chunk *c) {
+ chunks.push_back(c);
}
-void OutputSection::insertChunkAtStart(Chunk *C) {
- Chunks.insert(Chunks.begin(), C);
+void OutputSection::insertChunkAtStart(Chunk *c) {
+ chunks.insert(chunks.begin(), c);
}
-void OutputSection::setPermissions(uint32_t C) {
- Header.Characteristics &= ~PermMask;
- Header.Characteristics |= C;
+void OutputSection::setPermissions(uint32_t c) {
+ header.Characteristics &= ~permMask;
+ header.Characteristics |= c;
}
-void OutputSection::merge(OutputSection *Other) {
- Chunks.insert(Chunks.end(), Other->Chunks.begin(), Other->Chunks.end());
- Other->Chunks.clear();
- ContribSections.insert(ContribSections.end(), Other->ContribSections.begin(),
- Other->ContribSections.end());
- Other->ContribSections.clear();
+void OutputSection::merge(OutputSection *other) {
+ chunks.insert(chunks.end(), other->chunks.begin(), other->chunks.end());
+ other->chunks.clear();
+ contribSections.insert(contribSections.end(), other->contribSections.begin(),
+ other->contribSections.end());
+ other->contribSections.clear();
}
// Write the section header to a given buffer.
-void OutputSection::writeHeaderTo(uint8_t *Buf) {
- auto *Hdr = reinterpret_cast<coff_section *>(Buf);
- *Hdr = Header;
- if (StringTableOff) {
+void OutputSection::writeHeaderTo(uint8_t *buf) {
+ auto *hdr = reinterpret_cast<coff_section *>(buf);
+ *hdr = header;
+ if (stringTableOff) {
// If name is too long, write offset into the string table as a name.
- sprintf(Hdr->Name, "/%d", StringTableOff);
+ sprintf(hdr->Name, "/%d", stringTableOff);
} else {
- assert(!Config->Debug || Name.size() <= COFF::NameSize ||
- (Hdr->Characteristics & IMAGE_SCN_MEM_DISCARDABLE) == 0);
- strncpy(Hdr->Name, Name.data(),
- std::min(Name.size(), (size_t)COFF::NameSize));
+ assert(!config->debug || name.size() <= COFF::NameSize ||
+ (hdr->Characteristics & IMAGE_SCN_MEM_DISCARDABLE) == 0);
+ strncpy(hdr->Name, name.data(),
+ std::min(name.size(), (size_t)COFF::NameSize));
}
}
-void OutputSection::addContributingPartialSection(PartialSection *Sec) {
- ContribSections.push_back(Sec);
+void OutputSection::addContributingPartialSection(PartialSection *sec) {
+ contribSections.push_back(sec);
}
} // namespace coff
@@ -336,27 +336,27 @@
// Check whether the target address S is in range from a relocation
// of type RelType at address P.
-static bool isInRange(uint16_t RelType, uint64_t S, uint64_t P, int Margin) {
- if (Config->Machine == ARMNT) {
- int64_t Diff = AbsoluteDifference(S, P + 4) + Margin;
- switch (RelType) {
+static bool isInRange(uint16_t relType, uint64_t s, uint64_t p, int margin) {
+ if (config->machine == ARMNT) {
+ int64_t diff = AbsoluteDifference(s, p + 4) + margin;
+ switch (relType) {
case IMAGE_REL_ARM_BRANCH20T:
- return isInt<21>(Diff);
+ return isInt<21>(diff);
case IMAGE_REL_ARM_BRANCH24T:
case IMAGE_REL_ARM_BLX23T:
- return isInt<25>(Diff);
+ return isInt<25>(diff);
default:
return true;
}
- } else if (Config->Machine == ARM64) {
- int64_t Diff = AbsoluteDifference(S, P) + Margin;
- switch (RelType) {
+ } else if (config->machine == ARM64) {
+ int64_t diff = AbsoluteDifference(s, p) + margin;
+ switch (relType) {
case IMAGE_REL_ARM64_BRANCH26:
- return isInt<28>(Diff);
+ return isInt<28>(diff);
case IMAGE_REL_ARM64_BRANCH19:
- return isInt<21>(Diff);
+ return isInt<21>(diff);
case IMAGE_REL_ARM64_BRANCH14:
- return isInt<16>(Diff);
+ return isInt<16>(diff);
default:
return true;
}
@@ -368,25 +368,25 @@
// Return the last thunk for the given target if it is in range,
// or create a new one.
static std::pair<Defined *, bool>
-getThunk(DenseMap<uint64_t, Defined *> &LastThunks, Defined *Target, uint64_t P,
- uint16_t Type, int Margin) {
- Defined *&LastThunk = LastThunks[Target->getRVA()];
- if (LastThunk && isInRange(Type, LastThunk->getRVA(), P, Margin))
- return {LastThunk, false};
- Chunk *C;
- switch (Config->Machine) {
+getThunk(DenseMap<uint64_t, Defined *> &lastThunks, Defined *target, uint64_t p,
+ uint16_t type, int margin) {
+ Defined *&lastThunk = lastThunks[target->getRVA()];
+ if (lastThunk && isInRange(type, lastThunk->getRVA(), p, margin))
+ return {lastThunk, false};
+ Chunk *c;
+ switch (config->machine) {
case ARMNT:
- C = make<RangeExtensionThunkARM>(Target);
+ c = make<RangeExtensionThunkARM>(target);
break;
case ARM64:
- C = make<RangeExtensionThunkARM64>(Target);
+ c = make<RangeExtensionThunkARM64>(target);
break;
default:
llvm_unreachable("Unexpected architecture");
}
- Defined *D = make<DefinedSynthetic>("", C);
- LastThunk = D;
- return {D, true};
+ Defined *d = make<DefinedSynthetic>("", c);
+ lastThunk = d;
+ return {d, true};
}
// This checks all relocations, and for any relocation which isn't in range
@@ -400,124 +400,124 @@
// After adding thunks, we verify that all relocations are in range (with
// no extra margin requirements). If this failed, we restart (throwing away
// the previously created thunks) and retry with a wider margin.
-static bool createThunks(OutputSection *OS, int Margin) {
- bool AddressesChanged = false;
- DenseMap<uint64_t, Defined *> LastThunks;
- DenseMap<std::pair<ObjFile *, Defined *>, uint32_t> ThunkSymtabIndices;
- size_t ThunksSize = 0;
+static bool createThunks(OutputSection *os, int margin) {
+ bool addressesChanged = false;
+ DenseMap<uint64_t, Defined *> lastThunks;
+ DenseMap<std::pair<ObjFile *, Defined *>, uint32_t> thunkSymtabIndices;
+ size_t thunksSize = 0;
// Recheck Chunks.size() each iteration, since we can insert more
// elements into it.
- for (size_t I = 0; I != OS->Chunks.size(); ++I) {
- SectionChunk *SC = dyn_cast_or_null<SectionChunk>(OS->Chunks[I]);
- if (!SC)
+ for (size_t i = 0; i != os->chunks.size(); ++i) {
+ SectionChunk *sc = dyn_cast_or_null<SectionChunk>(os->chunks[i]);
+ if (!sc)
continue;
- size_t ThunkInsertionSpot = I + 1;
+ size_t thunkInsertionSpot = i + 1;
// Try to get a good enough estimate of where new thunks will be placed.
// Offset this by the size of the new thunks added so far, to make the
// estimate slightly better.
- size_t ThunkInsertionRVA = SC->getRVA() + SC->getSize() + ThunksSize;
- ObjFile *File = SC->File;
- std::vector<std::pair<uint32_t, uint32_t>> RelocReplacements;
- ArrayRef<coff_relocation> OriginalRelocs =
- File->getCOFFObj()->getRelocations(SC->Header);
- for (size_t J = 0, E = OriginalRelocs.size(); J < E; ++J) {
- const coff_relocation &Rel = OriginalRelocs[J];
- Symbol *RelocTarget = File->getSymbol(Rel.SymbolTableIndex);
+ size_t thunkInsertionRVA = sc->getRVA() + sc->getSize() + thunksSize;
+ ObjFile *file = sc->file;
+ std::vector<std::pair<uint32_t, uint32_t>> relocReplacements;
+ ArrayRef<coff_relocation> originalRelocs =
+ file->getCOFFObj()->getRelocations(sc->header);
+ for (size_t j = 0, e = originalRelocs.size(); j < e; ++j) {
+ const coff_relocation &rel = originalRelocs[j];
+ Symbol *relocTarget = file->getSymbol(rel.SymbolTableIndex);
// The estimate of the source address P should be pretty accurate,
// but we don't know whether the target Symbol address should be
// offset by ThunkSize or not (or by some of ThunksSize but not all of
// it), giving us some uncertainty once we have added one thunk.
- uint64_t P = SC->getRVA() + Rel.VirtualAddress + ThunksSize;
+ uint64_t p = sc->getRVA() + rel.VirtualAddress + thunksSize;
- Defined *Sym = dyn_cast_or_null<Defined>(RelocTarget);
- if (!Sym)
+ Defined *sym = dyn_cast_or_null<Defined>(relocTarget);
+ if (!sym)
continue;
- uint64_t S = Sym->getRVA();
+ uint64_t s = sym->getRVA();
- if (isInRange(Rel.Type, S, P, Margin))
+ if (isInRange(rel.Type, s, p, margin))
continue;
// If the target isn't in range, hook it up to an existing or new
// thunk.
- Defined *Thunk;
- bool WasNew;
- std::tie(Thunk, WasNew) = getThunk(LastThunks, Sym, P, Rel.Type, Margin);
- if (WasNew) {
- Chunk *ThunkChunk = Thunk->getChunk();
- ThunkChunk->setRVA(
- ThunkInsertionRVA); // Estimate of where it will be located.
- OS->Chunks.insert(OS->Chunks.begin() + ThunkInsertionSpot, ThunkChunk);
- ThunkInsertionSpot++;
- ThunksSize += ThunkChunk->getSize();
- ThunkInsertionRVA += ThunkChunk->getSize();
- AddressesChanged = true;
+ Defined *thunk;
+ bool wasNew;
+ std::tie(thunk, wasNew) = getThunk(lastThunks, sym, p, rel.Type, margin);
+ if (wasNew) {
+ Chunk *thunkChunk = thunk->getChunk();
+ thunkChunk->setRVA(
+ thunkInsertionRVA); // Estimate of where it will be located.
+ os->chunks.insert(os->chunks.begin() + thunkInsertionSpot, thunkChunk);
+ thunkInsertionSpot++;
+ thunksSize += thunkChunk->getSize();
+ thunkInsertionRVA += thunkChunk->getSize();
+ addressesChanged = true;
}
// To redirect the relocation, add a symbol to the parent object file's
// symbol table, and replace the relocation symbol table index with the
// new index.
- auto Insertion = ThunkSymtabIndices.insert({{File, Thunk}, ~0U});
- uint32_t &ThunkSymbolIndex = Insertion.first->second;
- if (Insertion.second)
- ThunkSymbolIndex = File->addRangeThunkSymbol(Thunk);
- RelocReplacements.push_back({J, ThunkSymbolIndex});
+ auto insertion = thunkSymtabIndices.insert({{file, thunk}, ~0U});
+ uint32_t &thunkSymbolIndex = insertion.first->second;
+ if (insertion.second)
+ thunkSymbolIndex = file->addRangeThunkSymbol(thunk);
+ relocReplacements.push_back({j, thunkSymbolIndex});
}
// Get a writable copy of this section's relocations so they can be
// modified. If the relocations point into the object file, allocate new
// memory. Otherwise, this must be previously allocated memory that can be
// modified in place.
- ArrayRef<coff_relocation> CurRelocs = SC->getRelocs();
- MutableArrayRef<coff_relocation> NewRelocs;
- if (OriginalRelocs.data() == CurRelocs.data()) {
- NewRelocs = makeMutableArrayRef(
- BAlloc.Allocate<coff_relocation>(OriginalRelocs.size()),
- OriginalRelocs.size());
+ ArrayRef<coff_relocation> curRelocs = sc->getRelocs();
+ MutableArrayRef<coff_relocation> newRelocs;
+ if (originalRelocs.data() == curRelocs.data()) {
+ newRelocs = makeMutableArrayRef(
+ bAlloc.Allocate<coff_relocation>(originalRelocs.size()),
+ originalRelocs.size());
} else {
- NewRelocs = makeMutableArrayRef(
- const_cast<coff_relocation *>(CurRelocs.data()), CurRelocs.size());
+ newRelocs = makeMutableArrayRef(
+ const_cast<coff_relocation *>(curRelocs.data()), curRelocs.size());
}
// Copy each relocation, but replace the symbol table indices which need
// thunks.
- auto NextReplacement = RelocReplacements.begin();
- auto EndReplacement = RelocReplacements.end();
- for (size_t I = 0, E = OriginalRelocs.size(); I != E; ++I) {
- NewRelocs[I] = OriginalRelocs[I];
- if (NextReplacement != EndReplacement && NextReplacement->first == I) {
- NewRelocs[I].SymbolTableIndex = NextReplacement->second;
- ++NextReplacement;
+ auto nextReplacement = relocReplacements.begin();
+ auto endReplacement = relocReplacements.end();
+ for (size_t i = 0, e = originalRelocs.size(); i != e; ++i) {
+ newRelocs[i] = originalRelocs[i];
+ if (nextReplacement != endReplacement && nextReplacement->first == i) {
+ newRelocs[i].SymbolTableIndex = nextReplacement->second;
+ ++nextReplacement;
}
}
- SC->setRelocs(NewRelocs);
+ sc->setRelocs(newRelocs);
}
- return AddressesChanged;
+ return addressesChanged;
}
// Verify that all relocations are in range, with no extra margin requirements.
-static bool verifyRanges(const std::vector<Chunk *> Chunks) {
- for (Chunk *C : Chunks) {
- SectionChunk *SC = dyn_cast_or_null<SectionChunk>(C);
- if (!SC)
+static bool verifyRanges(const std::vector<Chunk *> chunks) {
+ for (Chunk *c : chunks) {
+ SectionChunk *sc = dyn_cast_or_null<SectionChunk>(c);
+ if (!sc)
continue;
- ArrayRef<coff_relocation> Relocs = SC->getRelocs();
- for (size_t J = 0, E = Relocs.size(); J < E; ++J) {
- const coff_relocation &Rel = Relocs[J];
- Symbol *RelocTarget = SC->File->getSymbol(Rel.SymbolTableIndex);
+ ArrayRef<coff_relocation> relocs = sc->getRelocs();
+ for (size_t j = 0, e = relocs.size(); j < e; ++j) {
+ const coff_relocation &rel = relocs[j];
+ Symbol *relocTarget = sc->file->getSymbol(rel.SymbolTableIndex);
- Defined *Sym = dyn_cast_or_null<Defined>(RelocTarget);
- if (!Sym)
+ Defined *sym = dyn_cast_or_null<Defined>(relocTarget);
+ if (!sym)
continue;
- uint64_t P = SC->getRVA() + Rel.VirtualAddress;
- uint64_t S = Sym->getRVA();
+ uint64_t p = sc->getRVA() + rel.VirtualAddress;
+ uint64_t s = sym->getRVA();
- if (!isInRange(Rel.Type, S, P, 0))
+ if (!isInRange(rel.Type, s, p, 0))
return false;
}
}
@@ -527,68 +527,68 @@
// Assign addresses and add thunks if necessary.
void Writer::finalizeAddresses() {
assignAddresses();
- if (Config->Machine != ARMNT && Config->Machine != ARM64)
+ if (config->machine != ARMNT && config->machine != ARM64)
return;
- size_t OrigNumChunks = 0;
- for (OutputSection *Sec : OutputSections) {
- Sec->OrigChunks = Sec->Chunks;
- OrigNumChunks += Sec->Chunks.size();
+ size_t origNumChunks = 0;
+ for (OutputSection *sec : outputSections) {
+ sec->origChunks = sec->chunks;
+ origNumChunks += sec->chunks.size();
}
- int Pass = 0;
- int Margin = 1024 * 100;
+ int pass = 0;
+ int margin = 1024 * 100;
while (true) {
// First check whether we need thunks at all, or if the previous pass of
// adding them turned out ok.
- bool RangesOk = true;
- size_t NumChunks = 0;
- for (OutputSection *Sec : OutputSections) {
- if (!verifyRanges(Sec->Chunks)) {
- RangesOk = false;
+ bool rangesOk = true;
+ size_t numChunks = 0;
+ for (OutputSection *sec : outputSections) {
+ if (!verifyRanges(sec->chunks)) {
+ rangesOk = false;
break;
}
- NumChunks += Sec->Chunks.size();
+ numChunks += sec->chunks.size();
}
- if (RangesOk) {
- if (Pass > 0)
- log("Added " + Twine(NumChunks - OrigNumChunks) + " thunks with " +
- "margin " + Twine(Margin) + " in " + Twine(Pass) + " passes");
+ if (rangesOk) {
+ if (pass > 0)
+ log("Added " + Twine(numChunks - origNumChunks) + " thunks with " +
+ "margin " + Twine(margin) + " in " + Twine(pass) + " passes");
return;
}
- if (Pass >= 10)
- fatal("adding thunks hasn't converged after " + Twine(Pass) + " passes");
+ if (pass >= 10)
+ fatal("adding thunks hasn't converged after " + Twine(pass) + " passes");
- if (Pass > 0) {
+ if (pass > 0) {
// If the previous pass didn't work out, reset everything back to the
// original conditions before retrying with a wider margin. This should
// ideally never happen under real circumstances.
- for (OutputSection *Sec : OutputSections)
- Sec->Chunks = Sec->OrigChunks;
- Margin *= 2;
+ for (OutputSection *sec : outputSections)
+ sec->chunks = sec->origChunks;
+ margin *= 2;
}
// Try adding thunks everywhere where it is needed, with a margin
// to avoid things going out of range due to the added thunks.
- bool AddressesChanged = false;
- for (OutputSection *Sec : OutputSections)
- AddressesChanged |= createThunks(Sec, Margin);
+ bool addressesChanged = false;
+ for (OutputSection *sec : outputSections)
+ addressesChanged |= createThunks(sec, margin);
// If the verification above thought we needed thunks, we should have
// added some.
- assert(AddressesChanged);
+ assert(addressesChanged);
// Recalculate the layout for the whole image (and verify the ranges at
// the start of the next round).
assignAddresses();
- Pass++;
+ pass++;
}
}
// The main function of the writer.
void Writer::run() {
- ScopedTimer T1(CodeLayoutTimer);
+ ScopedTimer t1(codeLayoutTimer);
createImportTables();
createSections();
@@ -603,12 +603,12 @@
setSectionPermissions();
createSymbolAndStringTable();
- if (FileSize > UINT32_MAX)
- fatal("image size (" + Twine(FileSize) + ") " +
+ if (fileSize > UINT32_MAX)
+ fatal("image size (" + Twine(fileSize) + ") " +
"exceeds maximum allowable size (" + Twine(UINT32_MAX) + ")");
- openFile(Config->OutputFile);
- if (Config->is64()) {
+ openFile(config->outputFile);
+ if (config->is64()) {
writeHeader<pe32plus_header>();
} else {
writeHeader<pe32_header>();
@@ -616,58 +616,58 @@
writeSections();
sortExceptionTable();
- T1.stop();
+ t1.stop();
- if (!Config->PDBPath.empty() && Config->Debug) {
- assert(BuildId);
- createPDB(Symtab, OutputSections, SectionTable, BuildId->BuildId);
+ if (!config->pdbPath.empty() && config->debug) {
+ assert(buildId);
+ createPDB(symtab, outputSections, sectionTable, buildId->buildId);
}
writeBuildId();
- writeMapFile(OutputSections);
+ writeMapFile(outputSections);
- ScopedTimer T2(DiskCommitTimer);
- if (auto E = Buffer->commit())
- fatal("failed to write the output file: " + toString(std::move(E)));
+ ScopedTimer t2(diskCommitTimer);
+ if (auto e = buffer->commit())
+ fatal("failed to write the output file: " + toString(std::move(e)));
}
-static StringRef getOutputSectionName(StringRef Name) {
- StringRef S = Name.split('$').first;
+static StringRef getOutputSectionName(StringRef name) {
+ StringRef s = name.split('$').first;
// Treat a later period as a separator for MinGW, for sections like
// ".ctors.01234".
- return S.substr(0, S.find('.', 1));
+ return s.substr(0, s.find('.', 1));
}
// For /order.
-static void sortBySectionOrder(std::vector<Chunk *> &Chunks) {
- auto GetPriority = [](const Chunk *C) {
- if (auto *Sec = dyn_cast<SectionChunk>(C))
- if (Sec->Sym)
- return Config->Order.lookup(Sec->Sym->getName());
+static void sortBySectionOrder(std::vector<Chunk *> &chunks) {
+ auto getPriority = [](const Chunk *c) {
+ if (auto *sec = dyn_cast<SectionChunk>(c))
+ if (sec->sym)
+ return config->order.lookup(sec->sym->getName());
return 0;
};
- llvm::stable_sort(Chunks, [=](const Chunk *A, const Chunk *B) {
- return GetPriority(A) < GetPriority(B);
+ llvm::stable_sort(chunks, [=](const Chunk *a, const Chunk *b) {
+ return getPriority(a) < getPriority(b);
});
}
// Change the characteristics of existing PartialSections that belong to the
// section Name to Chars.
-void Writer::fixPartialSectionChars(StringRef Name, uint32_t Chars) {
- for (auto It : PartialSections) {
- PartialSection *PSec = It.second;
- StringRef CurName = PSec->Name;
- if (!CurName.consume_front(Name) ||
- (!CurName.empty() && !CurName.startswith("$")))
+void Writer::fixPartialSectionChars(StringRef name, uint32_t chars) {
+ for (auto it : partialSections) {
+ PartialSection *pSec = it.second;
+ StringRef curName = pSec->name;
+ if (!curName.consume_front(name) ||
+ (!curName.empty() && !curName.startswith("$")))
continue;
- if (PSec->Characteristics == Chars)
+ if (pSec->characteristics == chars)
continue;
- PartialSection *DestSec = createPartialSection(PSec->Name, Chars);
- DestSec->Chunks.insert(DestSec->Chunks.end(), PSec->Chunks.begin(),
- PSec->Chunks.end());
- PSec->Chunks.clear();
+ PartialSection *destSec = createPartialSection(pSec->name, chars);
+ destSec->chunks.insert(destSec->chunks.end(), pSec->chunks.begin(),
+ pSec->chunks.end());
+ pSec->chunks.clear();
}
}
@@ -682,249 +682,249 @@
// to be grouped by library, and sorted alphabetically within each library
// (which makes sure the header comes first and the trailer last).
bool Writer::fixGnuImportChunks() {
- uint32_t RDATA = IMAGE_SCN_CNT_INITIALIZED_DATA | IMAGE_SCN_MEM_READ;
+ uint32_t rdata = IMAGE_SCN_CNT_INITIALIZED_DATA | IMAGE_SCN_MEM_READ;
// Make sure all .idata$* section chunks are mapped as RDATA in order to
// be sorted into the same sections as our own synthesized .idata chunks.
- fixPartialSectionChars(".idata", RDATA);
+ fixPartialSectionChars(".idata", rdata);
- bool HasIdata = false;
+ bool hasIdata = false;
// Sort all .idata$* chunks, grouping chunks from the same library,
// with alphabetical ordering of the object fils within a library.
- for (auto It : PartialSections) {
- PartialSection *PSec = It.second;
- if (!PSec->Name.startswith(".idata"))
+ for (auto it : partialSections) {
+ PartialSection *pSec = it.second;
+ if (!pSec->name.startswith(".idata"))
continue;
- if (!PSec->Chunks.empty())
- HasIdata = true;
- llvm::stable_sort(PSec->Chunks, [&](Chunk *S, Chunk *T) {
- SectionChunk *SC1 = dyn_cast_or_null<SectionChunk>(S);
- SectionChunk *SC2 = dyn_cast_or_null<SectionChunk>(T);
- if (!SC1 || !SC2) {
+ if (!pSec->chunks.empty())
+ hasIdata = true;
+ llvm::stable_sort(pSec->chunks, [&](Chunk *s, Chunk *t) {
+ SectionChunk *sc1 = dyn_cast_or_null<SectionChunk>(s);
+ SectionChunk *sc2 = dyn_cast_or_null<SectionChunk>(t);
+ if (!sc1 || !sc2) {
// if SC1, order them ascending. If SC2 or both null,
// S is not less than T.
- return SC1 != nullptr;
+ return sc1 != nullptr;
}
// Make a string with "libraryname/objectfile" for sorting, achieving
// both grouping by library and sorting of objects within a library,
// at once.
- std::string Key1 =
- (SC1->File->ParentName + "/" + SC1->File->getName()).str();
- std::string Key2 =
- (SC2->File->ParentName + "/" + SC2->File->getName()).str();
- return Key1 < Key2;
+ std::string key1 =
+ (sc1->file->parentName + "/" + sc1->file->getName()).str();
+ std::string key2 =
+ (sc2->file->parentName + "/" + sc2->file->getName()).str();
+ return key1 < key2;
});
}
- return HasIdata;
+ return hasIdata;
}
// Add generated idata chunks, for imported symbols and DLLs, and a
// terminator in .idata$2.
void Writer::addSyntheticIdata() {
- uint32_t RDATA = IMAGE_SCN_CNT_INITIALIZED_DATA | IMAGE_SCN_MEM_READ;
- Idata.create();
+ uint32_t rdata = IMAGE_SCN_CNT_INITIALIZED_DATA | IMAGE_SCN_MEM_READ;
+ idata.create();
// Add the .idata content in the right section groups, to allow
// chunks from other linked in object files to be grouped together.
// See Microsoft PE/COFF spec 5.4 for details.
- auto Add = [&](StringRef N, std::vector<Chunk *> &V) {
- PartialSection *PSec = createPartialSection(N, RDATA);
- PSec->Chunks.insert(PSec->Chunks.end(), V.begin(), V.end());
+ auto add = [&](StringRef n, std::vector<Chunk *> &v) {
+ PartialSection *pSec = createPartialSection(n, rdata);
+ pSec->chunks.insert(pSec->chunks.end(), v.begin(), v.end());
};
// The loader assumes a specific order of data.
// Add each type in the correct order.
- Add(".idata$2", Idata.Dirs);
- Add(".idata$4", Idata.Lookups);
- Add(".idata$5", Idata.Addresses);
- Add(".idata$6", Idata.Hints);
- Add(".idata$7", Idata.DLLNames);
+ add(".idata$2", idata.dirs);
+ add(".idata$4", idata.lookups);
+ add(".idata$5", idata.addresses);
+ add(".idata$6", idata.hints);
+ add(".idata$7", idata.dllNames);
}
// Locate the first Chunk and size of the import directory list and the
// IAT.
void Writer::locateImportTables() {
- uint32_t RDATA = IMAGE_SCN_CNT_INITIALIZED_DATA | IMAGE_SCN_MEM_READ;
+ uint32_t rdata = IMAGE_SCN_CNT_INITIALIZED_DATA | IMAGE_SCN_MEM_READ;
- if (PartialSection *ImportDirs = findPartialSection(".idata$2", RDATA)) {
- if (!ImportDirs->Chunks.empty())
- ImportTableStart = ImportDirs->Chunks.front();
- for (Chunk *C : ImportDirs->Chunks)
- ImportTableSize += C->getSize();
+ if (PartialSection *importDirs = findPartialSection(".idata$2", rdata)) {
+ if (!importDirs->chunks.empty())
+ importTableStart = importDirs->chunks.front();
+ for (Chunk *c : importDirs->chunks)
+ importTableSize += c->getSize();
}
- if (PartialSection *ImportAddresses = findPartialSection(".idata$5", RDATA)) {
- if (!ImportAddresses->Chunks.empty())
- IATStart = ImportAddresses->Chunks.front();
- for (Chunk *C : ImportAddresses->Chunks)
- IATSize += C->getSize();
+ if (PartialSection *importAddresses = findPartialSection(".idata$5", rdata)) {
+ if (!importAddresses->chunks.empty())
+ iatStart = importAddresses->chunks.front();
+ for (Chunk *c : importAddresses->chunks)
+ iatSize += c->getSize();
}
}
// Create output section objects and add them to OutputSections.
void Writer::createSections() {
// First, create the builtin sections.
- const uint32_t DATA = IMAGE_SCN_CNT_INITIALIZED_DATA;
- const uint32_t BSS = IMAGE_SCN_CNT_UNINITIALIZED_DATA;
- const uint32_t CODE = IMAGE_SCN_CNT_CODE;
- const uint32_t DISCARDABLE = IMAGE_SCN_MEM_DISCARDABLE;
- const uint32_t R = IMAGE_SCN_MEM_READ;
- const uint32_t W = IMAGE_SCN_MEM_WRITE;
- const uint32_t X = IMAGE_SCN_MEM_EXECUTE;
+ const uint32_t data = IMAGE_SCN_CNT_INITIALIZED_DATA;
+ const uint32_t bss = IMAGE_SCN_CNT_UNINITIALIZED_DATA;
+ const uint32_t code = IMAGE_SCN_CNT_CODE;
+ const uint32_t discardable = IMAGE_SCN_MEM_DISCARDABLE;
+ const uint32_t r = IMAGE_SCN_MEM_READ;
+ const uint32_t w = IMAGE_SCN_MEM_WRITE;
+ const uint32_t x = IMAGE_SCN_MEM_EXECUTE;
- SmallDenseMap<std::pair<StringRef, uint32_t>, OutputSection *> Sections;
- auto CreateSection = [&](StringRef Name, uint32_t OutChars) {
- OutputSection *&Sec = Sections[{Name, OutChars}];
- if (!Sec) {
- Sec = make<OutputSection>(Name, OutChars);
- OutputSections.push_back(Sec);
+ SmallDenseMap<std::pair<StringRef, uint32_t>, OutputSection *> sections;
+ auto createSection = [&](StringRef name, uint32_t outChars) {
+ OutputSection *&sec = sections[{name, outChars}];
+ if (!sec) {
+ sec = make<OutputSection>(name, outChars);
+ outputSections.push_back(sec);
}
- return Sec;
+ return sec;
};
// Try to match the section order used by link.exe.
- TextSec = CreateSection(".text", CODE | R | X);
- CreateSection(".bss", BSS | R | W);
- RdataSec = CreateSection(".rdata", DATA | R);
- BuildidSec = CreateSection(".buildid", DATA | R);
- DataSec = CreateSection(".data", DATA | R | W);
- PdataSec = CreateSection(".pdata", DATA | R);
- IdataSec = CreateSection(".idata", DATA | R);
- EdataSec = CreateSection(".edata", DATA | R);
- DidatSec = CreateSection(".didat", DATA | R);
- RsrcSec = CreateSection(".rsrc", DATA | R);
- RelocSec = CreateSection(".reloc", DATA | DISCARDABLE | R);
- CtorsSec = CreateSection(".ctors", DATA | R | W);
- DtorsSec = CreateSection(".dtors", DATA | R | W);
+ textSec = createSection(".text", code | r | x);
+ createSection(".bss", bss | r | w);
+ rdataSec = createSection(".rdata", data | r);
+ buildidSec = createSection(".buildid", data | r);
+ dataSec = createSection(".data", data | r | w);
+ pdataSec = createSection(".pdata", data | r);
+ idataSec = createSection(".idata", data | r);
+ edataSec = createSection(".edata", data | r);
+ didatSec = createSection(".didat", data | r);
+ rsrcSec = createSection(".rsrc", data | r);
+ relocSec = createSection(".reloc", data | discardable | r);
+ ctorsSec = createSection(".ctors", data | r | w);
+ dtorsSec = createSection(".dtors", data | r | w);
// Then bin chunks by name and output characteristics.
- for (Chunk *C : Symtab->getChunks()) {
- auto *SC = dyn_cast<SectionChunk>(C);
- if (SC && !SC->Live) {
- if (Config->Verbose)
- SC->printDiscardedMessage();
+ for (Chunk *c : symtab->getChunks()) {
+ auto *sc = dyn_cast<SectionChunk>(c);
+ if (sc && !sc->live) {
+ if (config->verbose)
+ sc->printDiscardedMessage();
continue;
}
- StringRef Name = C->getSectionName();
+ StringRef name = c->getSectionName();
// On MinGW, comdat groups are formed by putting the comdat group name
// after the '$' in the section name. Such a section name suffix shouldn't
// imply separate alphabetical sorting of those section chunks though.
- if (Config->MinGW && SC && SC->isCOMDAT())
- Name = Name.split('$').first;
- PartialSection *PSec = createPartialSection(Name,
- C->getOutputCharacteristics());
- PSec->Chunks.push_back(C);
+ if (config->mingw && sc && sc->isCOMDAT())
+ name = name.split('$').first;
+ PartialSection *pSec = createPartialSection(name,
+ c->getOutputCharacteristics());
+ pSec->chunks.push_back(c);
}
- fixPartialSectionChars(".rsrc", DATA | R);
+ fixPartialSectionChars(".rsrc", data | r);
// Even in non MinGW cases, we might need to link against GNU import
// libraries.
- bool HasIdata = fixGnuImportChunks();
- if (!Idata.empty())
- HasIdata = true;
+ bool hasIdata = fixGnuImportChunks();
+ if (!idata.empty())
+ hasIdata = true;
- if (HasIdata)
+ if (hasIdata)
addSyntheticIdata();
// Process an /order option.
- if (!Config->Order.empty())
- for (auto It : PartialSections)
- sortBySectionOrder(It.second->Chunks);
+ if (!config->order.empty())
+ for (auto it : partialSections)
+ sortBySectionOrder(it.second->chunks);
- if (HasIdata)
+ if (hasIdata)
locateImportTables();
// Then create an OutputSection for each section.
// '$' and all following characters in input section names are
// discarded when determining output section. So, .text$foo
// contributes to .text, for example. See PE/COFF spec 3.2.
- for (auto It : PartialSections) {
- PartialSection *PSec = It.second;
- StringRef Name = getOutputSectionName(PSec->Name);
- uint32_t OutChars = PSec->Characteristics;
+ for (auto it : partialSections) {
+ PartialSection *pSec = it.second;
+ StringRef name = getOutputSectionName(pSec->name);
+ uint32_t outChars = pSec->characteristics;
- if (Name == ".CRT") {
+ if (name == ".CRT") {
// In link.exe, there is a special case for the I386 target where .CRT
// sections are treated as if they have output characteristics DATA | R if
// their characteristics are DATA | R | W. This implements the same
// special case for all architectures.
- OutChars = DATA | R;
+ outChars = data | r;
- log("Processing section " + PSec->Name + " -> " + Name);
+ log("Processing section " + pSec->name + " -> " + name);
- sortCRTSectionChunks(PSec->Chunks);
+ sortCRTSectionChunks(pSec->chunks);
}
- OutputSection *Sec = CreateSection(Name, OutChars);
- for (Chunk *C : PSec->Chunks)
- Sec->addChunk(C);
+ OutputSection *sec = createSection(name, outChars);
+ for (Chunk *c : pSec->chunks)
+ sec->addChunk(c);
- Sec->addContributingPartialSection(PSec);
+ sec->addContributingPartialSection(pSec);
}
// Finally, move some output sections to the end.
- auto SectionOrder = [&](const OutputSection *S) {
+ auto sectionOrder = [&](const OutputSection *s) {
// Move DISCARDABLE (or non-memory-mapped) sections to the end of file
// because the loader cannot handle holes. Stripping can remove other
// discardable ones than .reloc, which is first of them (created early).
- if (S->Header.Characteristics & IMAGE_SCN_MEM_DISCARDABLE)
+ if (s->header.Characteristics & IMAGE_SCN_MEM_DISCARDABLE)
return 2;
// .rsrc should come at the end of the non-discardable sections because its
// size may change by the Win32 UpdateResources() function, causing
// subsequent sections to move (see https://crbug.com/827082).
- if (S == RsrcSec)
+ if (s == rsrcSec)
return 1;
return 0;
};
- llvm::stable_sort(OutputSections,
- [&](const OutputSection *S, const OutputSection *T) {
- return SectionOrder(S) < SectionOrder(T);
+ llvm::stable_sort(outputSections,
+ [&](const OutputSection *s, const OutputSection *t) {
+ return sectionOrder(s) < sectionOrder(t);
});
}
void Writer::createMiscChunks() {
- for (MergeChunk *P : MergeChunk::Instances) {
- if (P) {
- P->finalizeContents();
- RdataSec->addChunk(P);
+ for (MergeChunk *p : MergeChunk::instances) {
+ if (p) {
+ p->finalizeContents();
+ rdataSec->addChunk(p);
}
}
// Create thunks for locally-dllimported symbols.
- if (!Symtab->LocalImportChunks.empty()) {
- for (Chunk *C : Symtab->LocalImportChunks)
- RdataSec->addChunk(C);
+ if (!symtab->localImportChunks.empty()) {
+ for (Chunk *c : symtab->localImportChunks)
+ rdataSec->addChunk(c);
}
// Create Debug Information Chunks
- OutputSection *DebugInfoSec = Config->MinGW ? BuildidSec : RdataSec;
- if (Config->Debug || Config->Repro) {
- DebugDirectory = make<DebugDirectoryChunk>(DebugRecords, Config->Repro);
- DebugInfoSec->addChunk(DebugDirectory);
+ OutputSection *debugInfoSec = config->mingw ? buildidSec : rdataSec;
+ if (config->debug || config->repro) {
+ debugDirectory = make<DebugDirectoryChunk>(debugRecords, config->repro);
+ debugInfoSec->addChunk(debugDirectory);
}
- if (Config->Debug) {
+ if (config->debug) {
// Make a CVDebugRecordChunk even when /DEBUG:CV is not specified. We
// output a PDB no matter what, and this chunk provides the only means of
// allowing a debugger to match a PDB and an executable. So we need it even
// if we're ultimately not going to write CodeView data to the PDB.
- BuildId = make<CVDebugRecordChunk>();
- DebugRecords.push_back(BuildId);
+ buildId = make<CVDebugRecordChunk>();
+ debugRecords.push_back(buildId);
- for (Chunk *C : DebugRecords)
- DebugInfoSec->addChunk(C);
+ for (Chunk *c : debugRecords)
+ debugInfoSec->addChunk(c);
}
// Create SEH table. x86-only.
- if (Config->Machine == I386)
+ if (config->machine == I386)
createSEHTable();
// Create /guard:cf tables if requested.
- if (Config->GuardCF != GuardCFLevel::Off)
+ if (config->guardCF != GuardCFLevel::Off)
createGuardCFTables();
- if (Config->MinGW) {
+ if (config->mingw) {
createRuntimePseudoRelocs();
insertCtorDtorSymbols();
@@ -939,123 +939,123 @@
// Initialize DLLOrder so that import entries are ordered in
// the same order as in the command line. (That affects DLL
// initialization order, and this ordering is MSVC-compatible.)
- for (ImportFile *File : ImportFile::Instances) {
- if (!File->Live)
+ for (ImportFile *file : ImportFile::instances) {
+ if (!file->live)
continue;
- std::string DLL = StringRef(File->DLLName).lower();
- if (Config->DLLOrder.count(DLL) == 0)
- Config->DLLOrder[DLL] = Config->DLLOrder.size();
+ std::string dll = StringRef(file->dllName).lower();
+ if (config->dllOrder.count(dll) == 0)
+ config->dllOrder[dll] = config->dllOrder.size();
- if (File->ImpSym && !isa<DefinedImportData>(File->ImpSym))
- fatal(toString(*File->ImpSym) + " was replaced");
- DefinedImportData *ImpSym = cast_or_null<DefinedImportData>(File->ImpSym);
- if (Config->DelayLoads.count(StringRef(File->DLLName).lower())) {
- if (!File->ThunkSym)
- fatal("cannot delay-load " + toString(File) +
- " due to import of data: " + toString(*ImpSym));
- DelayIdata.add(ImpSym);
+ if (file->impSym && !isa<DefinedImportData>(file->impSym))
+ fatal(toString(*file->impSym) + " was replaced");
+ DefinedImportData *impSym = cast_or_null<DefinedImportData>(file->impSym);
+ if (config->delayLoads.count(StringRef(file->dllName).lower())) {
+ if (!file->thunkSym)
+ fatal("cannot delay-load " + toString(file) +
+ " due to import of data: " + toString(*impSym));
+ delayIdata.add(impSym);
} else {
- Idata.add(ImpSym);
+ idata.add(impSym);
}
}
}
void Writer::appendImportThunks() {
- if (ImportFile::Instances.empty())
+ if (ImportFile::instances.empty())
return;
- for (ImportFile *File : ImportFile::Instances) {
- if (!File->Live)
+ for (ImportFile *file : ImportFile::instances) {
+ if (!file->live)
continue;
- if (!File->ThunkSym)
+ if (!file->thunkSym)
continue;
- if (!isa<DefinedImportThunk>(File->ThunkSym))
- fatal(toString(*File->ThunkSym) + " was replaced");
- DefinedImportThunk *Thunk = cast<DefinedImportThunk>(File->ThunkSym);
- if (File->ThunkLive)
- TextSec->addChunk(Thunk->getChunk());
+ if (!isa<DefinedImportThunk>(file->thunkSym))
+ fatal(toString(*file->thunkSym) + " was replaced");
+ DefinedImportThunk *thunk = cast<DefinedImportThunk>(file->thunkSym);
+ if (file->thunkLive)
+ textSec->addChunk(thunk->getChunk());
}
- if (!DelayIdata.empty()) {
- Defined *Helper = cast<Defined>(Config->DelayLoadHelper);
- DelayIdata.create(Helper);
- for (Chunk *C : DelayIdata.getChunks())
- DidatSec->addChunk(C);
- for (Chunk *C : DelayIdata.getDataChunks())
- DataSec->addChunk(C);
- for (Chunk *C : DelayIdata.getCodeChunks())
- TextSec->addChunk(C);
+ if (!delayIdata.empty()) {
+ Defined *helper = cast<Defined>(config->delayLoadHelper);
+ delayIdata.create(helper);
+ for (Chunk *c : delayIdata.getChunks())
+ didatSec->addChunk(c);
+ for (Chunk *c : delayIdata.getDataChunks())
+ dataSec->addChunk(c);
+ for (Chunk *c : delayIdata.getCodeChunks())
+ textSec->addChunk(c);
}
}
void Writer::createExportTable() {
- if (Config->Exports.empty())
+ if (config->exports.empty())
return;
- for (Chunk *C : Edata.Chunks)
- EdataSec->addChunk(C);
+ for (Chunk *c : edata.chunks)
+ edataSec->addChunk(c);
}
void Writer::removeUnusedSections() {
// Remove sections that we can be sure won't get content, to avoid
// allocating space for their section headers.
- auto IsUnused = [this](OutputSection *S) {
- if (S == RelocSec)
+ auto isUnused = [this](OutputSection *s) {
+ if (s == relocSec)
return false; // This section is populated later.
// MergeChunks have zero size at this point, as their size is finalized
// later. Only remove sections that have no Chunks at all.
- return S->Chunks.empty();
+ return s->chunks.empty();
};
- OutputSections.erase(
- std::remove_if(OutputSections.begin(), OutputSections.end(), IsUnused),
- OutputSections.end());
+ outputSections.erase(
+ std::remove_if(outputSections.begin(), outputSections.end(), isUnused),
+ outputSections.end());
}
// The Windows loader doesn't seem to like empty sections,
// so we remove them if any.
void Writer::removeEmptySections() {
- auto IsEmpty = [](OutputSection *S) { return S->getVirtualSize() == 0; };
- OutputSections.erase(
- std::remove_if(OutputSections.begin(), OutputSections.end(), IsEmpty),
- OutputSections.end());
+ auto isEmpty = [](OutputSection *s) { return s->getVirtualSize() == 0; };
+ outputSections.erase(
+ std::remove_if(outputSections.begin(), outputSections.end(), isEmpty),
+ outputSections.end());
}
void Writer::assignOutputSectionIndices() {
// Assign final output section indices, and assign each chunk to its output
// section.
- uint32_t Idx = 1;
- for (OutputSection *OS : OutputSections) {
- OS->SectionIndex = Idx;
- for (Chunk *C : OS->Chunks)
- C->setOutputSectionIdx(Idx);
- ++Idx;
+ uint32_t idx = 1;
+ for (OutputSection *os : outputSections) {
+ os->sectionIndex = idx;
+ for (Chunk *c : os->chunks)
+ c->setOutputSectionIdx(idx);
+ ++idx;
}
// Merge chunks are containers of chunks, so assign those an output section
// too.
- for (MergeChunk *MC : MergeChunk::Instances)
- if (MC)
- for (SectionChunk *SC : MC->Sections)
- if (SC && SC->Live)
- SC->setOutputSectionIdx(MC->getOutputSectionIdx());
+ for (MergeChunk *mc : MergeChunk::instances)
+ if (mc)
+ for (SectionChunk *sc : mc->sections)
+ if (sc && sc->live)
+ sc->setOutputSectionIdx(mc->getOutputSectionIdx());
}
-size_t Writer::addEntryToStringTable(StringRef Str) {
- assert(Str.size() > COFF::NameSize);
- size_t OffsetOfEntry = Strtab.size() + 4; // +4 for the size field
- Strtab.insert(Strtab.end(), Str.begin(), Str.end());
- Strtab.push_back('\0');
- return OffsetOfEntry;
+size_t Writer::addEntryToStringTable(StringRef str) {
+ assert(str.size() > COFF::NameSize);
+ size_t offsetOfEntry = strtab.size() + 4; // +4 for the size field
+ strtab.insert(strtab.end(), str.begin(), str.end());
+ strtab.push_back('\0');
+ return offsetOfEntry;
}
-Optional<coff_symbol16> Writer::createSymbol(Defined *Def) {
- coff_symbol16 Sym;
- switch (Def->kind()) {
+Optional<coff_symbol16> Writer::createSymbol(Defined *def) {
+ coff_symbol16 sym;
+ switch (def->kind()) {
case Symbol::DefinedAbsoluteKind:
- Sym.Value = Def->getRVA();
- Sym.SectionNumber = IMAGE_SYM_ABSOLUTE;
+ sym.Value = def->getRVA();
+ sym.SectionNumber = IMAGE_SYM_ABSOLUTE;
break;
case Symbol::DefinedSyntheticKind:
// Relative symbols are unrepresentable in a COFF symbol table.
@@ -1063,38 +1063,38 @@
default: {
// Don't write symbols that won't be written to the output to the symbol
// table.
- Chunk *C = Def->getChunk();
- if (!C)
+ Chunk *c = def->getChunk();
+ if (!c)
return None;
- OutputSection *OS = C->getOutputSection();
- if (!OS)
+ OutputSection *os = c->getOutputSection();
+ if (!os)
return None;
- Sym.Value = Def->getRVA() - OS->getRVA();
- Sym.SectionNumber = OS->SectionIndex;
+ sym.Value = def->getRVA() - os->getRVA();
+ sym.SectionNumber = os->sectionIndex;
break;
}
}
- StringRef Name = Def->getName();
- if (Name.size() > COFF::NameSize) {
- Sym.Name.Offset.Zeroes = 0;
- Sym.Name.Offset.Offset = addEntryToStringTable(Name);
+ StringRef name = def->getName();
+ if (name.size() > COFF::NameSize) {
+ sym.Name.Offset.Zeroes = 0;
+ sym.Name.Offset.Offset = addEntryToStringTable(name);
} else {
- memset(Sym.Name.ShortName, 0, COFF::NameSize);
- memcpy(Sym.Name.ShortName, Name.data(), Name.size());
+ memset(sym.Name.ShortName, 0, COFF::NameSize);
+ memcpy(sym.Name.ShortName, name.data(), name.size());
}
- if (auto *D = dyn_cast<DefinedCOFF>(Def)) {
- COFFSymbolRef Ref = D->getCOFFSymbol();
- Sym.Type = Ref.getType();
- Sym.StorageClass = Ref.getStorageClass();
+ if (auto *d = dyn_cast<DefinedCOFF>(def)) {
+ COFFSymbolRef ref = d->getCOFFSymbol();
+ sym.Type = ref.getType();
+ sym.StorageClass = ref.getStorageClass();
} else {
- Sym.Type = IMAGE_SYM_TYPE_NULL;
- Sym.StorageClass = IMAGE_SYM_CLASS_EXTERNAL;
+ sym.Type = IMAGE_SYM_TYPE_NULL;
+ sym.StorageClass = IMAGE_SYM_CLASS_EXTERNAL;
}
- Sym.NumberOfAuxSymbols = 0;
- return Sym;
+ sym.NumberOfAuxSymbols = 0;
+ return sym;
}
void Writer::createSymbolAndStringTable() {
@@ -1106,120 +1106,120 @@
// solution where discardable sections have long names preserved and
// non-discardable sections have their names truncated, to ensure that any
// section which is mapped at runtime also has its name mapped at runtime.
- for (OutputSection *Sec : OutputSections) {
- if (Sec->Name.size() <= COFF::NameSize)
+ for (OutputSection *sec : outputSections) {
+ if (sec->name.size() <= COFF::NameSize)
continue;
- if ((Sec->Header.Characteristics & IMAGE_SCN_MEM_DISCARDABLE) == 0)
+ if ((sec->header.Characteristics & IMAGE_SCN_MEM_DISCARDABLE) == 0)
continue;
- Sec->setStringTableOff(addEntryToStringTable(Sec->Name));
+ sec->setStringTableOff(addEntryToStringTable(sec->name));
}
- if (Config->DebugDwarf || Config->DebugSymtab) {
- for (ObjFile *File : ObjFile::Instances) {
- for (Symbol *B : File->getSymbols()) {
- auto *D = dyn_cast_or_null<Defined>(B);
- if (!D || D->WrittenToSymtab)
+ if (config->debugDwarf || config->debugSymtab) {
+ for (ObjFile *file : ObjFile::instances) {
+ for (Symbol *b : file->getSymbols()) {
+ auto *d = dyn_cast_or_null<Defined>(b);
+ if (!d || d->writtenToSymtab)
continue;
- D->WrittenToSymtab = true;
+ d->writtenToSymtab = true;
- if (Optional<coff_symbol16> Sym = createSymbol(D))
- OutputSymtab.push_back(*Sym);
+ if (Optional<coff_symbol16> sym = createSymbol(d))
+ outputSymtab.push_back(*sym);
}
}
}
- if (OutputSymtab.empty() && Strtab.empty())
+ if (outputSymtab.empty() && strtab.empty())
return;
// We position the symbol table to be adjacent to the end of the last section.
- uint64_t FileOff = FileSize;
- PointerToSymbolTable = FileOff;
- FileOff += OutputSymtab.size() * sizeof(coff_symbol16);
- FileOff += 4 + Strtab.size();
- FileSize = alignTo(FileOff, Config->FileAlign);
+ uint64_t fileOff = fileSize;
+ pointerToSymbolTable = fileOff;
+ fileOff += outputSymtab.size() * sizeof(coff_symbol16);
+ fileOff += 4 + strtab.size();
+ fileSize = alignTo(fileOff, config->fileAlign);
}
void Writer::mergeSections() {
- if (!PdataSec->Chunks.empty()) {
- FirstPdata = PdataSec->Chunks.front();
- LastPdata = PdataSec->Chunks.back();
+ if (!pdataSec->chunks.empty()) {
+ firstPdata = pdataSec->chunks.front();
+ lastPdata = pdataSec->chunks.back();
}
- for (auto &P : Config->Merge) {
- StringRef ToName = P.second;
- if (P.first == ToName)
+ for (auto &p : config->merge) {
+ StringRef toName = p.second;
+ if (p.first == toName)
continue;
- StringSet<> Names;
+ StringSet<> names;
while (1) {
- if (!Names.insert(ToName).second)
- fatal("/merge: cycle found for section '" + P.first + "'");
- auto I = Config->Merge.find(ToName);
- if (I == Config->Merge.end())
+ if (!names.insert(toName).second)
+ fatal("/merge: cycle found for section '" + p.first + "'");
+ auto i = config->merge.find(toName);
+ if (i == config->merge.end())
break;
- ToName = I->second;
+ toName = i->second;
}
- OutputSection *From = findSection(P.first);
- OutputSection *To = findSection(ToName);
- if (!From)
+ OutputSection *from = findSection(p.first);
+ OutputSection *to = findSection(toName);
+ if (!from)
continue;
- if (!To) {
- From->Name = ToName;
+ if (!to) {
+ from->name = toName;
continue;
}
- To->merge(From);
+ to->merge(from);
}
}
// Visits all sections to assign incremental, non-overlapping RVAs and
// file offsets.
void Writer::assignAddresses() {
- SizeOfHeaders = DOSStubSize + sizeof(PEMagic) + sizeof(coff_file_header) +
- sizeof(data_directory) * NumberOfDataDirectory +
- sizeof(coff_section) * OutputSections.size();
- SizeOfHeaders +=
- Config->is64() ? sizeof(pe32plus_header) : sizeof(pe32_header);
- SizeOfHeaders = alignTo(SizeOfHeaders, Config->FileAlign);
- uint64_t RVA = PageSize; // The first page is kept unmapped.
- FileSize = SizeOfHeaders;
+ sizeOfHeaders = dosStubSize + sizeof(PEMagic) + sizeof(coff_file_header) +
+ sizeof(data_directory) * numberOfDataDirectory +
+ sizeof(coff_section) * outputSections.size();
+ sizeOfHeaders +=
+ config->is64() ? sizeof(pe32plus_header) : sizeof(pe32_header);
+ sizeOfHeaders = alignTo(sizeOfHeaders, config->fileAlign);
+ uint64_t rva = pageSize; // The first page is kept unmapped.
+ fileSize = sizeOfHeaders;
- for (OutputSection *Sec : OutputSections) {
- if (Sec == RelocSec)
+ for (OutputSection *sec : outputSections) {
+ if (sec == relocSec)
addBaserels();
- uint64_t RawSize = 0, VirtualSize = 0;
- Sec->Header.VirtualAddress = RVA;
+ uint64_t rawSize = 0, virtualSize = 0;
+ sec->header.VirtualAddress = rva;
// If /FUNCTIONPADMIN is used, functions are padded in order to create a
// hotpatchable image.
- const bool IsCodeSection =
- (Sec->Header.Characteristics & IMAGE_SCN_CNT_CODE) &&
- (Sec->Header.Characteristics & IMAGE_SCN_MEM_READ) &&
- (Sec->Header.Characteristics & IMAGE_SCN_MEM_EXECUTE);
- uint32_t Padding = IsCodeSection ? Config->FunctionPadMin : 0;
+ const bool isCodeSection =
+ (sec->header.Characteristics & IMAGE_SCN_CNT_CODE) &&
+ (sec->header.Characteristics & IMAGE_SCN_MEM_READ) &&
+ (sec->header.Characteristics & IMAGE_SCN_MEM_EXECUTE);
+ uint32_t padding = isCodeSection ? config->functionPadMin : 0;
- for (Chunk *C : Sec->Chunks) {
- if (Padding && C->isHotPatchable())
- VirtualSize += Padding;
- VirtualSize = alignTo(VirtualSize, C->getAlignment());
- C->setRVA(RVA + VirtualSize);
- VirtualSize += C->getSize();
- if (C->HasData)
- RawSize = alignTo(VirtualSize, Config->FileAlign);
+ for (Chunk *c : sec->chunks) {
+ if (padding && c->isHotPatchable())
+ virtualSize += padding;
+ virtualSize = alignTo(virtualSize, c->getAlignment());
+ c->setRVA(rva + virtualSize);
+ virtualSize += c->getSize();
+ if (c->hasData)
+ rawSize = alignTo(virtualSize, config->fileAlign);
}
- if (VirtualSize > UINT32_MAX)
- error("section larger than 4 GiB: " + Sec->Name);
- Sec->Header.VirtualSize = VirtualSize;
- Sec->Header.SizeOfRawData = RawSize;
- if (RawSize != 0)
- Sec->Header.PointerToRawData = FileSize;
- RVA += alignTo(VirtualSize, PageSize);
- FileSize += alignTo(RawSize, Config->FileAlign);
+ if (virtualSize > UINT32_MAX)
+ error("section larger than 4 GiB: " + sec->name);
+ sec->header.VirtualSize = virtualSize;
+ sec->header.SizeOfRawData = rawSize;
+ if (rawSize != 0)
+ sec->header.PointerToRawData = fileSize;
+ rva += alignTo(virtualSize, pageSize);
+ fileSize += alignTo(rawSize, config->fileAlign);
}
- SizeOfImage = alignTo(RVA, PageSize);
+ sizeOfImage = alignTo(rva, pageSize);
// Assign addresses to sections in MergeChunks.
- for (MergeChunk *MC : MergeChunk::Instances)
- if (MC)
- MC->assignSubsectionRVAs();
+ for (MergeChunk *mc : MergeChunk::instances)
+ if (mc)
+ mc->assignSubsectionRVAs();
}
template <typename PEHeaderTy> void Writer::writeHeader() {
@@ -1228,249 +1228,249 @@
// under DOS, that program gets run (usually to just print an error message).
// When run under Windows, the loader looks at AddressOfNewExeHeader and uses
// the PE header instead.
- uint8_t *Buf = Buffer->getBufferStart();
- auto *DOS = reinterpret_cast<dos_header *>(Buf);
- Buf += sizeof(dos_header);
- DOS->Magic[0] = 'M';
- DOS->Magic[1] = 'Z';
- DOS->UsedBytesInTheLastPage = DOSStubSize % 512;
- DOS->FileSizeInPages = divideCeil(DOSStubSize, 512);
- DOS->HeaderSizeInParagraphs = sizeof(dos_header) / 16;
+ uint8_t *buf = buffer->getBufferStart();
+ auto *dos = reinterpret_cast<dos_header *>(buf);
+ buf += sizeof(dos_header);
+ dos->Magic[0] = 'M';
+ dos->Magic[1] = 'Z';
+ dos->UsedBytesInTheLastPage = dosStubSize % 512;
+ dos->FileSizeInPages = divideCeil(dosStubSize, 512);
+ dos->HeaderSizeInParagraphs = sizeof(dos_header) / 16;
- DOS->AddressOfRelocationTable = sizeof(dos_header);
- DOS->AddressOfNewExeHeader = DOSStubSize;
+ dos->AddressOfRelocationTable = sizeof(dos_header);
+ dos->AddressOfNewExeHeader = dosStubSize;
// Write DOS program.
- memcpy(Buf, DOSProgram, sizeof(DOSProgram));
- Buf += sizeof(DOSProgram);
+ memcpy(buf, dosProgram, sizeof(dosProgram));
+ buf += sizeof(dosProgram);
// Write PE magic
- memcpy(Buf, PEMagic, sizeof(PEMagic));
- Buf += sizeof(PEMagic);
+ memcpy(buf, PEMagic, sizeof(PEMagic));
+ buf += sizeof(PEMagic);
// Write COFF header
- auto *COFF = reinterpret_cast<coff_file_header *>(Buf);
- Buf += sizeof(*COFF);
- COFF->Machine = Config->Machine;
- COFF->NumberOfSections = OutputSections.size();
- COFF->Characteristics = IMAGE_FILE_EXECUTABLE_IMAGE;
- if (Config->LargeAddressAware)
- COFF->Characteristics |= IMAGE_FILE_LARGE_ADDRESS_AWARE;
- if (!Config->is64())
- COFF->Characteristics |= IMAGE_FILE_32BIT_MACHINE;
- if (Config->DLL)
- COFF->Characteristics |= IMAGE_FILE_DLL;
- if (!Config->Relocatable)
- COFF->Characteristics |= IMAGE_FILE_RELOCS_STRIPPED;
- if (Config->SwaprunCD)
- COFF->Characteristics |= IMAGE_FILE_REMOVABLE_RUN_FROM_SWAP;
- if (Config->SwaprunNet)
- COFF->Characteristics |= IMAGE_FILE_NET_RUN_FROM_SWAP;
- COFF->SizeOfOptionalHeader =
- sizeof(PEHeaderTy) + sizeof(data_directory) * NumberOfDataDirectory;
+ auto *coff = reinterpret_cast<coff_file_header *>(buf);
+ buf += sizeof(*coff);
+ coff->Machine = config->machine;
+ coff->NumberOfSections = outputSections.size();
+ coff->Characteristics = IMAGE_FILE_EXECUTABLE_IMAGE;
+ if (config->largeAddressAware)
+ coff->Characteristics |= IMAGE_FILE_LARGE_ADDRESS_AWARE;
+ if (!config->is64())
+ coff->Characteristics |= IMAGE_FILE_32BIT_MACHINE;
+ if (config->dll)
+ coff->Characteristics |= IMAGE_FILE_DLL;
+ if (!config->relocatable)
+ coff->Characteristics |= IMAGE_FILE_RELOCS_STRIPPED;
+ if (config->swaprunCD)
+ coff->Characteristics |= IMAGE_FILE_REMOVABLE_RUN_FROM_SWAP;
+ if (config->swaprunNet)
+ coff->Characteristics |= IMAGE_FILE_NET_RUN_FROM_SWAP;
+ coff->SizeOfOptionalHeader =
+ sizeof(PEHeaderTy) + sizeof(data_directory) * numberOfDataDirectory;
// Write PE header
- auto *PE = reinterpret_cast<PEHeaderTy *>(Buf);
- Buf += sizeof(*PE);
- PE->Magic = Config->is64() ? PE32Header::PE32_PLUS : PE32Header::PE32;
+ auto *pe = reinterpret_cast<PEHeaderTy *>(buf);
+ buf += sizeof(*pe);
+ pe->Magic = config->is64() ? PE32Header::PE32_PLUS : PE32Header::PE32;
// If {Major,Minor}LinkerVersion is left at 0.0, then for some
// reason signing the resulting PE file with Authenticode produces a
// signature that fails to validate on Windows 7 (but is OK on 10).
// Set it to 14.0, which is what VS2015 outputs, and which avoids
// that problem.
- PE->MajorLinkerVersion = 14;
- PE->MinorLinkerVersion = 0;
+ pe->MajorLinkerVersion = 14;
+ pe->MinorLinkerVersion = 0;
- PE->ImageBase = Config->ImageBase;
- PE->SectionAlignment = PageSize;
- PE->FileAlignment = Config->FileAlign;
- PE->MajorImageVersion = Config->MajorImageVersion;
- PE->MinorImageVersion = Config->MinorImageVersion;
- PE->MajorOperatingSystemVersion = Config->MajorOSVersion;
- PE->MinorOperatingSystemVersion = Config->MinorOSVersion;
- PE->MajorSubsystemVersion = Config->MajorOSVersion;
- PE->MinorSubsystemVersion = Config->MinorOSVersion;
- PE->Subsystem = Config->Subsystem;
- PE->SizeOfImage = SizeOfImage;
- PE->SizeOfHeaders = SizeOfHeaders;
- if (!Config->NoEntry) {
- Defined *Entry = cast<Defined>(Config->Entry);
- PE->AddressOfEntryPoint = Entry->getRVA();
+ pe->ImageBase = config->imageBase;
+ pe->SectionAlignment = pageSize;
+ pe->FileAlignment = config->fileAlign;
+ pe->MajorImageVersion = config->majorImageVersion;
+ pe->MinorImageVersion = config->minorImageVersion;
+ pe->MajorOperatingSystemVersion = config->majorOSVersion;
+ pe->MinorOperatingSystemVersion = config->minorOSVersion;
+ pe->MajorSubsystemVersion = config->majorOSVersion;
+ pe->MinorSubsystemVersion = config->minorOSVersion;
+ pe->Subsystem = config->subsystem;
+ pe->SizeOfImage = sizeOfImage;
+ pe->SizeOfHeaders = sizeOfHeaders;
+ if (!config->noEntry) {
+ Defined *entry = cast<Defined>(config->entry);
+ pe->AddressOfEntryPoint = entry->getRVA();
// Pointer to thumb code must have the LSB set, so adjust it.
- if (Config->Machine == ARMNT)
- PE->AddressOfEntryPoint |= 1;
+ if (config->machine == ARMNT)
+ pe->AddressOfEntryPoint |= 1;
}
- PE->SizeOfStackReserve = Config->StackReserve;
- PE->SizeOfStackCommit = Config->StackCommit;
- PE->SizeOfHeapReserve = Config->HeapReserve;
- PE->SizeOfHeapCommit = Config->HeapCommit;
- if (Config->AppContainer)
- PE->DLLCharacteristics |= IMAGE_DLL_CHARACTERISTICS_APPCONTAINER;
- if (Config->DynamicBase)
- PE->DLLCharacteristics |= IMAGE_DLL_CHARACTERISTICS_DYNAMIC_BASE;
- if (Config->HighEntropyVA)
- PE->DLLCharacteristics |= IMAGE_DLL_CHARACTERISTICS_HIGH_ENTROPY_VA;
- if (!Config->AllowBind)
- PE->DLLCharacteristics |= IMAGE_DLL_CHARACTERISTICS_NO_BIND;
- if (Config->NxCompat)
- PE->DLLCharacteristics |= IMAGE_DLL_CHARACTERISTICS_NX_COMPAT;
- if (!Config->AllowIsolation)
- PE->DLLCharacteristics |= IMAGE_DLL_CHARACTERISTICS_NO_ISOLATION;
- if (Config->GuardCF != GuardCFLevel::Off)
- PE->DLLCharacteristics |= IMAGE_DLL_CHARACTERISTICS_GUARD_CF;
- if (Config->IntegrityCheck)
- PE->DLLCharacteristics |= IMAGE_DLL_CHARACTERISTICS_FORCE_INTEGRITY;
- if (SetNoSEHCharacteristic)
- PE->DLLCharacteristics |= IMAGE_DLL_CHARACTERISTICS_NO_SEH;
- if (Config->TerminalServerAware)
- PE->DLLCharacteristics |= IMAGE_DLL_CHARACTERISTICS_TERMINAL_SERVER_AWARE;
- PE->NumberOfRvaAndSize = NumberOfDataDirectory;
- if (TextSec->getVirtualSize()) {
- PE->BaseOfCode = TextSec->getRVA();
- PE->SizeOfCode = TextSec->getRawSize();
+ pe->SizeOfStackReserve = config->stackReserve;
+ pe->SizeOfStackCommit = config->stackCommit;
+ pe->SizeOfHeapReserve = config->heapReserve;
+ pe->SizeOfHeapCommit = config->heapCommit;
+ if (config->appContainer)
+ pe->DLLCharacteristics |= IMAGE_DLL_CHARACTERISTICS_APPCONTAINER;
+ if (config->dynamicBase)
+ pe->DLLCharacteristics |= IMAGE_DLL_CHARACTERISTICS_DYNAMIC_BASE;
+ if (config->highEntropyVA)
+ pe->DLLCharacteristics |= IMAGE_DLL_CHARACTERISTICS_HIGH_ENTROPY_VA;
+ if (!config->allowBind)
+ pe->DLLCharacteristics |= IMAGE_DLL_CHARACTERISTICS_NO_BIND;
+ if (config->nxCompat)
+ pe->DLLCharacteristics |= IMAGE_DLL_CHARACTERISTICS_NX_COMPAT;
+ if (!config->allowIsolation)
+ pe->DLLCharacteristics |= IMAGE_DLL_CHARACTERISTICS_NO_ISOLATION;
+ if (config->guardCF != GuardCFLevel::Off)
+ pe->DLLCharacteristics |= IMAGE_DLL_CHARACTERISTICS_GUARD_CF;
+ if (config->integrityCheck)
+ pe->DLLCharacteristics |= IMAGE_DLL_CHARACTERISTICS_FORCE_INTEGRITY;
+ if (setNoSEHCharacteristic)
+ pe->DLLCharacteristics |= IMAGE_DLL_CHARACTERISTICS_NO_SEH;
+ if (config->terminalServerAware)
+ pe->DLLCharacteristics |= IMAGE_DLL_CHARACTERISTICS_TERMINAL_SERVER_AWARE;
+ pe->NumberOfRvaAndSize = numberOfDataDirectory;
+ if (textSec->getVirtualSize()) {
+ pe->BaseOfCode = textSec->getRVA();
+ pe->SizeOfCode = textSec->getRawSize();
}
- PE->SizeOfInitializedData = getSizeOfInitializedData();
+ pe->SizeOfInitializedData = getSizeOfInitializedData();
// Write data directory
- auto *Dir = reinterpret_cast<data_directory *>(Buf);
- Buf += sizeof(*Dir) * NumberOfDataDirectory;
- if (!Config->Exports.empty()) {
- Dir[EXPORT_TABLE].RelativeVirtualAddress = Edata.getRVA();
- Dir[EXPORT_TABLE].Size = Edata.getSize();
+ auto *dir = reinterpret_cast<data_directory *>(buf);
+ buf += sizeof(*dir) * numberOfDataDirectory;
+ if (!config->exports.empty()) {
+ dir[EXPORT_TABLE].RelativeVirtualAddress = edata.getRVA();
+ dir[EXPORT_TABLE].Size = edata.getSize();
}
- if (ImportTableStart) {
- Dir[IMPORT_TABLE].RelativeVirtualAddress = ImportTableStart->getRVA();
- Dir[IMPORT_TABLE].Size = ImportTableSize;
+ if (importTableStart) {
+ dir[IMPORT_TABLE].RelativeVirtualAddress = importTableStart->getRVA();
+ dir[IMPORT_TABLE].Size = importTableSize;
}
- if (IATStart) {
- Dir[IAT].RelativeVirtualAddress = IATStart->getRVA();
- Dir[IAT].Size = IATSize;
+ if (iatStart) {
+ dir[IAT].RelativeVirtualAddress = iatStart->getRVA();
+ dir[IAT].Size = iatSize;
}
- if (RsrcSec->getVirtualSize()) {
- Dir[RESOURCE_TABLE].RelativeVirtualAddress = RsrcSec->getRVA();
- Dir[RESOURCE_TABLE].Size = RsrcSec->getVirtualSize();
+ if (rsrcSec->getVirtualSize()) {
+ dir[RESOURCE_TABLE].RelativeVirtualAddress = rsrcSec->getRVA();
+ dir[RESOURCE_TABLE].Size = rsrcSec->getVirtualSize();
}
- if (FirstPdata) {
- Dir[EXCEPTION_TABLE].RelativeVirtualAddress = FirstPdata->getRVA();
- Dir[EXCEPTION_TABLE].Size =
- LastPdata->getRVA() + LastPdata->getSize() - FirstPdata->getRVA();
+ if (firstPdata) {
+ dir[EXCEPTION_TABLE].RelativeVirtualAddress = firstPdata->getRVA();
+ dir[EXCEPTION_TABLE].Size =
+ lastPdata->getRVA() + lastPdata->getSize() - firstPdata->getRVA();
}
- if (RelocSec->getVirtualSize()) {
- Dir[BASE_RELOCATION_TABLE].RelativeVirtualAddress = RelocSec->getRVA();
- Dir[BASE_RELOCATION_TABLE].Size = RelocSec->getVirtualSize();
+ if (relocSec->getVirtualSize()) {
+ dir[BASE_RELOCATION_TABLE].RelativeVirtualAddress = relocSec->getRVA();
+ dir[BASE_RELOCATION_TABLE].Size = relocSec->getVirtualSize();
}
- if (Symbol *Sym = Symtab->findUnderscore("_tls_used")) {
- if (Defined *B = dyn_cast<Defined>(Sym)) {
- Dir[TLS_TABLE].RelativeVirtualAddress = B->getRVA();
- Dir[TLS_TABLE].Size = Config->is64()
+ if (Symbol *sym = symtab->findUnderscore("_tls_used")) {
+ if (Defined *b = dyn_cast<Defined>(sym)) {
+ dir[TLS_TABLE].RelativeVirtualAddress = b->getRVA();
+ dir[TLS_TABLE].Size = config->is64()
? sizeof(object::coff_tls_directory64)
: sizeof(object::coff_tls_directory32);
}
}
- if (DebugDirectory) {
- Dir[DEBUG_DIRECTORY].RelativeVirtualAddress = DebugDirectory->getRVA();
- Dir[DEBUG_DIRECTORY].Size = DebugDirectory->getSize();
+ if (debugDirectory) {
+ dir[DEBUG_DIRECTORY].RelativeVirtualAddress = debugDirectory->getRVA();
+ dir[DEBUG_DIRECTORY].Size = debugDirectory->getSize();
}
- if (Symbol *Sym = Symtab->findUnderscore("_load_config_used")) {
- if (auto *B = dyn_cast<DefinedRegular>(Sym)) {
- SectionChunk *SC = B->getChunk();
- assert(B->getRVA() >= SC->getRVA());
- uint64_t OffsetInChunk = B->getRVA() - SC->getRVA();
- if (!SC->HasData || OffsetInChunk + 4 > SC->getSize())
+ if (Symbol *sym = symtab->findUnderscore("_load_config_used")) {
+ if (auto *b = dyn_cast<DefinedRegular>(sym)) {
+ SectionChunk *sc = b->getChunk();
+ assert(b->getRVA() >= sc->getRVA());
+ uint64_t offsetInChunk = b->getRVA() - sc->getRVA();
+ if (!sc->hasData || offsetInChunk + 4 > sc->getSize())
fatal("_load_config_used is malformed");
- ArrayRef<uint8_t> SecContents = SC->getContents();
- uint32_t LoadConfigSize =
- *reinterpret_cast<const ulittle32_t *>(&SecContents[OffsetInChunk]);
- if (OffsetInChunk + LoadConfigSize > SC->getSize())
+ ArrayRef<uint8_t> secContents = sc->getContents();
+ uint32_t loadConfigSize =
+ *reinterpret_cast<const ulittle32_t *>(&secContents[offsetInChunk]);
+ if (offsetInChunk + loadConfigSize > sc->getSize())
fatal("_load_config_used is too large");
- Dir[LOAD_CONFIG_TABLE].RelativeVirtualAddress = B->getRVA();
- Dir[LOAD_CONFIG_TABLE].Size = LoadConfigSize;
+ dir[LOAD_CONFIG_TABLE].RelativeVirtualAddress = b->getRVA();
+ dir[LOAD_CONFIG_TABLE].Size = loadConfigSize;
}
}
- if (!DelayIdata.empty()) {
- Dir[DELAY_IMPORT_DESCRIPTOR].RelativeVirtualAddress =
- DelayIdata.getDirRVA();
- Dir[DELAY_IMPORT_DESCRIPTOR].Size = DelayIdata.getDirSize();
+ if (!delayIdata.empty()) {
+ dir[DELAY_IMPORT_DESCRIPTOR].RelativeVirtualAddress =
+ delayIdata.getDirRVA();
+ dir[DELAY_IMPORT_DESCRIPTOR].Size = delayIdata.getDirSize();
}
// Write section table
- for (OutputSection *Sec : OutputSections) {
- Sec->writeHeaderTo(Buf);
- Buf += sizeof(coff_section);
+ for (OutputSection *sec : outputSections) {
+ sec->writeHeaderTo(buf);
+ buf += sizeof(coff_section);
}
- SectionTable = ArrayRef<uint8_t>(
- Buf - OutputSections.size() * sizeof(coff_section), Buf);
+ sectionTable = ArrayRef<uint8_t>(
+ buf - outputSections.size() * sizeof(coff_section), buf);
- if (OutputSymtab.empty() && Strtab.empty())
+ if (outputSymtab.empty() && strtab.empty())
return;
- COFF->PointerToSymbolTable = PointerToSymbolTable;
- uint32_t NumberOfSymbols = OutputSymtab.size();
- COFF->NumberOfSymbols = NumberOfSymbols;
- auto *SymbolTable = reinterpret_cast<coff_symbol16 *>(
- Buffer->getBufferStart() + COFF->PointerToSymbolTable);
- for (size_t I = 0; I != NumberOfSymbols; ++I)
- SymbolTable[I] = OutputSymtab[I];
+ coff->PointerToSymbolTable = pointerToSymbolTable;
+ uint32_t numberOfSymbols = outputSymtab.size();
+ coff->NumberOfSymbols = numberOfSymbols;
+ auto *symbolTable = reinterpret_cast<coff_symbol16 *>(
+ buffer->getBufferStart() + coff->PointerToSymbolTable);
+ for (size_t i = 0; i != numberOfSymbols; ++i)
+ symbolTable[i] = outputSymtab[i];
// Create the string table, it follows immediately after the symbol table.
// The first 4 bytes is length including itself.
- Buf = reinterpret_cast<uint8_t *>(&SymbolTable[NumberOfSymbols]);
- write32le(Buf, Strtab.size() + 4);
- if (!Strtab.empty())
- memcpy(Buf + 4, Strtab.data(), Strtab.size());
+ buf = reinterpret_cast<uint8_t *>(&symbolTable[numberOfSymbols]);
+ write32le(buf, strtab.size() + 4);
+ if (!strtab.empty())
+ memcpy(buf + 4, strtab.data(), strtab.size());
}
-void Writer::openFile(StringRef Path) {
- Buffer = CHECK(
- FileOutputBuffer::create(Path, FileSize, FileOutputBuffer::F_executable),
- "failed to open " + Path);
+void Writer::openFile(StringRef path) {
+ buffer = CHECK(
+ FileOutputBuffer::create(path, fileSize, FileOutputBuffer::F_executable),
+ "failed to open " + path);
}
void Writer::createSEHTable() {
// Set the no SEH characteristic on x86 binaries unless we find exception
// handlers.
- SetNoSEHCharacteristic = true;
+ setNoSEHCharacteristic = true;
- SymbolRVASet Handlers;
- for (ObjFile *File : ObjFile::Instances) {
+ SymbolRVASet handlers;
+ for (ObjFile *file : ObjFile::instances) {
// FIXME: We should error here instead of earlier unless /safeseh:no was
// passed.
- if (!File->hasSafeSEH())
+ if (!file->hasSafeSEH())
return;
- markSymbolsForRVATable(File, File->getSXDataChunks(), Handlers);
+ markSymbolsForRVATable(file, file->getSXDataChunks(), handlers);
}
// Remove the "no SEH" characteristic if all object files were built with
// safeseh, we found some exception handlers, and there is a load config in
// the object.
- SetNoSEHCharacteristic =
- Handlers.empty() || !Symtab->findUnderscore("_load_config_used");
+ setNoSEHCharacteristic =
+ handlers.empty() || !symtab->findUnderscore("_load_config_used");
- maybeAddRVATable(std::move(Handlers), "__safe_se_handler_table",
+ maybeAddRVATable(std::move(handlers), "__safe_se_handler_table",
"__safe_se_handler_count");
}
// Add a symbol to an RVA set. Two symbols may have the same RVA, but an RVA set
// cannot contain duplicates. Therefore, the set is uniqued by Chunk and the
// symbol's offset into that Chunk.
-static void addSymbolToRVASet(SymbolRVASet &RVASet, Defined *S) {
- Chunk *C = S->getChunk();
- if (auto *SC = dyn_cast<SectionChunk>(C))
- C = SC->Repl; // Look through ICF replacement.
- uint32_t Off = S->getRVA() - (C ? C->getRVA() : 0);
- RVASet.insert({C, Off});
+static void addSymbolToRVASet(SymbolRVASet &rvaSet, Defined *s) {
+ Chunk *c = s->getChunk();
+ if (auto *sc = dyn_cast<SectionChunk>(c))
+ c = sc->repl; // Look through ICF replacement.
+ uint32_t off = s->getRVA() - (c ? c->getRVA() : 0);
+ rvaSet.insert({c, off});
}
// Given a symbol, add it to the GFIDs table if it is a live, defined, function
// symbol in an executable section.
-static void maybeAddAddressTakenFunction(SymbolRVASet &AddressTakenSyms,
- Symbol *S) {
- if (!S)
+static void maybeAddAddressTakenFunction(SymbolRVASet &addressTakenSyms,
+ Symbol *s) {
+ if (!s)
return;
- switch (S->kind()) {
+ switch (s->kind()) {
case Symbol::DefinedLocalImportKind:
case Symbol::DefinedImportDataKind:
// Defines an __imp_ pointer, so it is data, so it is ignored.
@@ -1491,19 +1491,19 @@
case Symbol::DefinedImportThunkKind:
// Thunks are always code, include them.
- addSymbolToRVASet(AddressTakenSyms, cast<Defined>(S));
+ addSymbolToRVASet(addressTakenSyms, cast<Defined>(s));
break;
case Symbol::DefinedRegularKind: {
// This is a regular, defined, symbol from a COFF file. Mark the symbol as
// address taken if the symbol type is function and it's in an executable
// section.
- auto *D = cast<DefinedRegular>(S);
- if (D->getCOFFSymbol().getComplexType() == COFF::IMAGE_SYM_DTYPE_FUNCTION) {
- SectionChunk *SC = dyn_cast<SectionChunk>(D->getChunk());
- if (SC && SC->Live &&
- SC->getOutputCharacteristics() & IMAGE_SCN_MEM_EXECUTE)
- addSymbolToRVASet(AddressTakenSyms, D);
+ auto *d = cast<DefinedRegular>(s);
+ if (d->getCOFFSymbol().getComplexType() == COFF::IMAGE_SYM_DTYPE_FUNCTION) {
+ SectionChunk *sc = dyn_cast<SectionChunk>(d->getChunk());
+ if (sc && sc->live &&
+ sc->getOutputCharacteristics() & IMAGE_SCN_MEM_EXECUTE)
+ addSymbolToRVASet(addressTakenSyms, d);
}
break;
}
@@ -1512,23 +1512,23 @@
// Visit all relocations from all section contributions of this object file and
// mark the relocation target as address-taken.
-static void markSymbolsWithRelocations(ObjFile *File,
- SymbolRVASet &UsedSymbols) {
- for (Chunk *C : File->getChunks()) {
+static void markSymbolsWithRelocations(ObjFile *file,
+ SymbolRVASet &usedSymbols) {
+ for (Chunk *c : file->getChunks()) {
// We only care about live section chunks. Common chunks and other chunks
// don't generally contain relocations.
- SectionChunk *SC = dyn_cast<SectionChunk>(C);
- if (!SC || !SC->Live)
+ SectionChunk *sc = dyn_cast<SectionChunk>(c);
+ if (!sc || !sc->live)
continue;
- for (const coff_relocation &Reloc : SC->getRelocs()) {
- if (Config->Machine == I386 && Reloc.Type == COFF::IMAGE_REL_I386_REL32)
+ for (const coff_relocation &reloc : sc->getRelocs()) {
+ if (config->machine == I386 && reloc.Type == COFF::IMAGE_REL_I386_REL32)
// Ignore relative relocations on x86. On x86_64 they can't be ignored
// since they're also used to compute absolute addresses.
continue;
- Symbol *Ref = SC->File->getSymbol(Reloc.SymbolTableIndex);
- maybeAddAddressTakenFunction(UsedSymbols, Ref);
+ Symbol *ref = sc->file->getSymbol(reloc.SymbolTableIndex);
+ maybeAddAddressTakenFunction(usedSymbols, ref);
}
}
}
@@ -1537,89 +1537,89 @@
// address-taken functions. It is sorted and uniqued, just like the safe SEH
// table.
void Writer::createGuardCFTables() {
- SymbolRVASet AddressTakenSyms;
- SymbolRVASet LongJmpTargets;
- for (ObjFile *File : ObjFile::Instances) {
+ SymbolRVASet addressTakenSyms;
+ SymbolRVASet longJmpTargets;
+ for (ObjFile *file : ObjFile::instances) {
// If the object was compiled with /guard:cf, the address taken symbols
// are in .gfids$y sections, and the longjmp targets are in .gljmp$y
// sections. If the object was not compiled with /guard:cf, we assume there
// were no setjmp targets, and that all code symbols with relocations are
// possibly address-taken.
- if (File->hasGuardCF()) {
- markSymbolsForRVATable(File, File->getGuardFidChunks(), AddressTakenSyms);
- markSymbolsForRVATable(File, File->getGuardLJmpChunks(), LongJmpTargets);
+ if (file->hasGuardCF()) {
+ markSymbolsForRVATable(file, file->getGuardFidChunks(), addressTakenSyms);
+ markSymbolsForRVATable(file, file->getGuardLJmpChunks(), longJmpTargets);
} else {
- markSymbolsWithRelocations(File, AddressTakenSyms);
+ markSymbolsWithRelocations(file, addressTakenSyms);
}
}
// Mark the image entry as address-taken.
- if (Config->Entry)
- maybeAddAddressTakenFunction(AddressTakenSyms, Config->Entry);
+ if (config->entry)
+ maybeAddAddressTakenFunction(addressTakenSyms, config->entry);
// Mark exported symbols in executable sections as address-taken.
- for (Export &E : Config->Exports)
- maybeAddAddressTakenFunction(AddressTakenSyms, E.Sym);
+ for (Export &e : config->exports)
+ maybeAddAddressTakenFunction(addressTakenSyms, e.sym);
// Ensure sections referenced in the gfid table are 16-byte aligned.
- for (const ChunkAndOffset &C : AddressTakenSyms)
- if (C.InputChunk->getAlignment() < 16)
- C.InputChunk->setAlignment(16);
+ for (const ChunkAndOffset &c : addressTakenSyms)
+ if (c.inputChunk->getAlignment() < 16)
+ c.inputChunk->setAlignment(16);
- maybeAddRVATable(std::move(AddressTakenSyms), "__guard_fids_table",
+ maybeAddRVATable(std::move(addressTakenSyms), "__guard_fids_table",
"__guard_fids_count");
// Add the longjmp target table unless the user told us not to.
- if (Config->GuardCF == GuardCFLevel::Full)
- maybeAddRVATable(std::move(LongJmpTargets), "__guard_longjmp_table",
+ if (config->guardCF == GuardCFLevel::Full)
+ maybeAddRVATable(std::move(longJmpTargets), "__guard_longjmp_table",
"__guard_longjmp_count");
// Set __guard_flags, which will be used in the load config to indicate that
// /guard:cf was enabled.
- uint32_t GuardFlags = uint32_t(coff_guard_flags::CFInstrumented) |
+ uint32_t guardFlags = uint32_t(coff_guard_flags::CFInstrumented) |
uint32_t(coff_guard_flags::HasFidTable);
- if (Config->GuardCF == GuardCFLevel::Full)
- GuardFlags |= uint32_t(coff_guard_flags::HasLongJmpTable);
- Symbol *FlagSym = Symtab->findUnderscore("__guard_flags");
- cast<DefinedAbsolute>(FlagSym)->setVA(GuardFlags);
+ if (config->guardCF == GuardCFLevel::Full)
+ guardFlags |= uint32_t(coff_guard_flags::HasLongJmpTable);
+ Symbol *flagSym = symtab->findUnderscore("__guard_flags");
+ cast<DefinedAbsolute>(flagSym)->setVA(guardFlags);
}
// Take a list of input sections containing symbol table indices and add those
// symbols to an RVA table. The challenge is that symbol RVAs are not known and
// depend on the table size, so we can't directly build a set of integers.
-void Writer::markSymbolsForRVATable(ObjFile *File,
- ArrayRef<SectionChunk *> SymIdxChunks,
- SymbolRVASet &TableSymbols) {
- for (SectionChunk *C : SymIdxChunks) {
+void Writer::markSymbolsForRVATable(ObjFile *file,
+ ArrayRef<SectionChunk *> symIdxChunks,
+ SymbolRVASet &tableSymbols) {
+ for (SectionChunk *c : symIdxChunks) {
// Skip sections discarded by linker GC. This comes up when a .gfids section
// is associated with something like a vtable and the vtable is discarded.
// In this case, the associated gfids section is discarded, and we don't
// mark the virtual member functions as address-taken by the vtable.
- if (!C->Live)
+ if (!c->live)
continue;
// Validate that the contents look like symbol table indices.
- ArrayRef<uint8_t> Data = C->getContents();
- if (Data.size() % 4 != 0) {
- warn("ignoring " + C->getSectionName() +
- " symbol table index section in object " + toString(File));
+ ArrayRef<uint8_t> data = c->getContents();
+ if (data.size() % 4 != 0) {
+ warn("ignoring " + c->getSectionName() +
+ " symbol table index section in object " + toString(file));
continue;
}
// Read each symbol table index and check if that symbol was included in the
// final link. If so, add it to the table symbol set.
- ArrayRef<ulittle32_t> SymIndices(
- reinterpret_cast<const ulittle32_t *>(Data.data()), Data.size() / 4);
- ArrayRef<Symbol *> ObjSymbols = File->getSymbols();
- for (uint32_t SymIndex : SymIndices) {
- if (SymIndex >= ObjSymbols.size()) {
+ ArrayRef<ulittle32_t> symIndices(
+ reinterpret_cast<const ulittle32_t *>(data.data()), data.size() / 4);
+ ArrayRef<Symbol *> objSymbols = file->getSymbols();
+ for (uint32_t symIndex : symIndices) {
+ if (symIndex >= objSymbols.size()) {
warn("ignoring invalid symbol table index in section " +
- C->getSectionName() + " in object " + toString(File));
+ c->getSectionName() + " in object " + toString(file));
continue;
}
- if (Symbol *S = ObjSymbols[SymIndex]) {
- if (S->isLive())
- addSymbolToRVASet(TableSymbols, cast<Defined>(S));
+ if (Symbol *s = objSymbols[symIndex]) {
+ if (s->isLive())
+ addSymbolToRVASet(tableSymbols, cast<Defined>(s));
}
}
}
@@ -1628,18 +1628,18 @@
// Replace the absolute table symbol with a synthetic symbol pointing to
// TableChunk so that we can emit base relocations for it and resolve section
// relative relocations.
-void Writer::maybeAddRVATable(SymbolRVASet TableSymbols, StringRef TableSym,
- StringRef CountSym) {
- if (TableSymbols.empty())
+void Writer::maybeAddRVATable(SymbolRVASet tableSymbols, StringRef tableSym,
+ StringRef countSym) {
+ if (tableSymbols.empty())
return;
- RVATableChunk *TableChunk = make<RVATableChunk>(std::move(TableSymbols));
- RdataSec->addChunk(TableChunk);
+ RVATableChunk *tableChunk = make<RVATableChunk>(std::move(tableSymbols));
+ rdataSec->addChunk(tableChunk);
- Symbol *T = Symtab->findUnderscore(TableSym);
- Symbol *C = Symtab->findUnderscore(CountSym);
- replaceSymbol<DefinedSynthetic>(T, T->getName(), TableChunk);
- cast<DefinedAbsolute>(C)->setVA(TableChunk->getSize() / 4);
+ Symbol *t = symtab->findUnderscore(tableSym);
+ Symbol *c = symtab->findUnderscore(countSym);
+ replaceSymbol<DefinedSynthetic>(t, t->getName(), tableChunk);
+ cast<DefinedAbsolute>(c)->setVA(tableChunk->getSize() / 4);
}
// MinGW specific. Gather all relocations that are imported from a DLL even
@@ -1647,26 +1647,26 @@
// uses for fixing them up, and provide the synthetic symbols that the
// runtime uses for finding the table.
void Writer::createRuntimePseudoRelocs() {
- std::vector<RuntimePseudoReloc> Rels;
+ std::vector<RuntimePseudoReloc> rels;
- for (Chunk *C : Symtab->getChunks()) {
- auto *SC = dyn_cast<SectionChunk>(C);
- if (!SC || !SC->Live)
+ for (Chunk *c : symtab->getChunks()) {
+ auto *sc = dyn_cast<SectionChunk>(c);
+ if (!sc || !sc->live)
continue;
- SC->getRuntimePseudoRelocs(Rels);
+ sc->getRuntimePseudoRelocs(rels);
}
- if (!Rels.empty())
- log("Writing " + Twine(Rels.size()) + " runtime pseudo relocations");
- PseudoRelocTableChunk *Table = make<PseudoRelocTableChunk>(Rels);
- RdataSec->addChunk(Table);
- EmptyChunk *EndOfList = make<EmptyChunk>();
- RdataSec->addChunk(EndOfList);
+ if (!rels.empty())
+ log("Writing " + Twine(rels.size()) + " runtime pseudo relocations");
+ PseudoRelocTableChunk *table = make<PseudoRelocTableChunk>(rels);
+ rdataSec->addChunk(table);
+ EmptyChunk *endOfList = make<EmptyChunk>();
+ rdataSec->addChunk(endOfList);
- Symbol *HeadSym = Symtab->findUnderscore("__RUNTIME_PSEUDO_RELOC_LIST__");
- Symbol *EndSym = Symtab->findUnderscore("__RUNTIME_PSEUDO_RELOC_LIST_END__");
- replaceSymbol<DefinedSynthetic>(HeadSym, HeadSym->getName(), Table);
- replaceSymbol<DefinedSynthetic>(EndSym, EndSym->getName(), EndOfList);
+ Symbol *headSym = symtab->findUnderscore("__RUNTIME_PSEUDO_RELOC_LIST__");
+ Symbol *endSym = symtab->findUnderscore("__RUNTIME_PSEUDO_RELOC_LIST_END__");
+ replaceSymbol<DefinedSynthetic>(headSym, headSym->getName(), table);
+ replaceSymbol<DefinedSynthetic>(endSym, endSym->getName(), endOfList);
}
// MinGW specific.
@@ -1675,32 +1675,32 @@
// There's a symbol pointing to the start sentinel pointer, __CTOR_LIST__
// and __DTOR_LIST__ respectively.
void Writer::insertCtorDtorSymbols() {
- AbsolutePointerChunk *CtorListHead = make<AbsolutePointerChunk>(-1);
- AbsolutePointerChunk *CtorListEnd = make<AbsolutePointerChunk>(0);
- AbsolutePointerChunk *DtorListHead = make<AbsolutePointerChunk>(-1);
- AbsolutePointerChunk *DtorListEnd = make<AbsolutePointerChunk>(0);
- CtorsSec->insertChunkAtStart(CtorListHead);
- CtorsSec->addChunk(CtorListEnd);
- DtorsSec->insertChunkAtStart(DtorListHead);
- DtorsSec->addChunk(DtorListEnd);
+ AbsolutePointerChunk *ctorListHead = make<AbsolutePointerChunk>(-1);
+ AbsolutePointerChunk *ctorListEnd = make<AbsolutePointerChunk>(0);
+ AbsolutePointerChunk *dtorListHead = make<AbsolutePointerChunk>(-1);
+ AbsolutePointerChunk *dtorListEnd = make<AbsolutePointerChunk>(0);
+ ctorsSec->insertChunkAtStart(ctorListHead);
+ ctorsSec->addChunk(ctorListEnd);
+ dtorsSec->insertChunkAtStart(dtorListHead);
+ dtorsSec->addChunk(dtorListEnd);
- Symbol *CtorListSym = Symtab->findUnderscore("__CTOR_LIST__");
- Symbol *DtorListSym = Symtab->findUnderscore("__DTOR_LIST__");
- replaceSymbol<DefinedSynthetic>(CtorListSym, CtorListSym->getName(),
- CtorListHead);
- replaceSymbol<DefinedSynthetic>(DtorListSym, DtorListSym->getName(),
- DtorListHead);
+ Symbol *ctorListSym = symtab->findUnderscore("__CTOR_LIST__");
+ Symbol *dtorListSym = symtab->findUnderscore("__DTOR_LIST__");
+ replaceSymbol<DefinedSynthetic>(ctorListSym, ctorListSym->getName(),
+ ctorListHead);
+ replaceSymbol<DefinedSynthetic>(dtorListSym, dtorListSym->getName(),
+ dtorListHead);
}
// Handles /section options to allow users to overwrite
// section attributes.
void Writer::setSectionPermissions() {
- for (auto &P : Config->Section) {
- StringRef Name = P.first;
- uint32_t Perm = P.second;
- for (OutputSection *Sec : OutputSections)
- if (Sec->Name == Name)
- Sec->setPermissions(Perm);
+ for (auto &p : config->section) {
+ StringRef name = p.first;
+ uint32_t perm = p.second;
+ for (OutputSection *sec : outputSections)
+ if (sec->name == name)
+ sec->setPermissions(perm);
}
}
@@ -1708,18 +1708,18 @@
void Writer::writeSections() {
// Record the number of sections to apply section index relocations
// against absolute symbols. See applySecIdx in Chunks.cpp..
- DefinedAbsolute::NumOutputSections = OutputSections.size();
+ DefinedAbsolute::numOutputSections = outputSections.size();
- uint8_t *Buf = Buffer->getBufferStart();
- for (OutputSection *Sec : OutputSections) {
- uint8_t *SecBuf = Buf + Sec->getFileOff();
+ uint8_t *buf = buffer->getBufferStart();
+ for (OutputSection *sec : outputSections) {
+ uint8_t *secBuf = buf + sec->getFileOff();
// Fill gaps between functions in .text with INT3 instructions
// instead of leaving as NUL bytes (which can be interpreted as
// ADD instructions).
- if (Sec->Header.Characteristics & IMAGE_SCN_CNT_CODE)
- memset(SecBuf, 0xCC, Sec->getRawSize());
- parallelForEach(Sec->Chunks, [&](Chunk *C) {
- C->writeTo(SecBuf + C->getRVA() - Sec->getRVA());
+ if (sec->header.Characteristics & IMAGE_SCN_CNT_CODE)
+ memset(secBuf, 0xCC, sec->getRawSize());
+ parallelForEach(sec->chunks, [&](Chunk *c) {
+ c->writeTo(secBuf + c->getRVA() - sec->getRVA());
});
}
}
@@ -1731,8 +1731,8 @@
// 2) In all cases, the PE COFF file header also contains a timestamp.
// For reproducibility, instead of a timestamp we want to use a hash of the
// PE contents.
- if (Config->Debug) {
- assert(BuildId && "BuildId is not set!");
+ if (config->debug) {
+ assert(buildId && "BuildId is not set!");
// BuildId->BuildId was filled in when the PDB was written.
}
@@ -1740,65 +1740,65 @@
// "timestamp" in the COFF file header, and the ones in the coff debug
// directory. Now we can hash the file and write that hash to the various
// timestamp fields in the file.
- StringRef OutputFileData(
- reinterpret_cast<const char *>(Buffer->getBufferStart()),
- Buffer->getBufferSize());
+ StringRef outputFileData(
+ reinterpret_cast<const char *>(buffer->getBufferStart()),
+ buffer->getBufferSize());
- uint32_t Timestamp = Config->Timestamp;
- uint64_t Hash = 0;
- bool GenerateSyntheticBuildId =
- Config->MinGW && Config->Debug && Config->PDBPath.empty();
+ uint32_t timestamp = config->timestamp;
+ uint64_t hash = 0;
+ bool generateSyntheticBuildId =
+ config->mingw && config->debug && config->pdbPath.empty();
- if (Config->Repro || GenerateSyntheticBuildId)
- Hash = xxHash64(OutputFileData);
+ if (config->repro || generateSyntheticBuildId)
+ hash = xxHash64(outputFileData);
- if (Config->Repro)
- Timestamp = static_cast<uint32_t>(Hash);
+ if (config->repro)
+ timestamp = static_cast<uint32_t>(hash);
- if (GenerateSyntheticBuildId) {
+ if (generateSyntheticBuildId) {
// For MinGW builds without a PDB file, we still generate a build id
// to allow associating a crash dump to the executable.
- BuildId->BuildId->PDB70.CVSignature = OMF::Signature::PDB70;
- BuildId->BuildId->PDB70.Age = 1;
- memcpy(BuildId->BuildId->PDB70.Signature, &Hash, 8);
+ buildId->buildId->PDB70.CVSignature = OMF::Signature::PDB70;
+ buildId->buildId->PDB70.Age = 1;
+ memcpy(buildId->buildId->PDB70.Signature, &hash, 8);
// xxhash only gives us 8 bytes, so put some fixed data in the other half.
- memcpy(&BuildId->BuildId->PDB70.Signature[8], "LLD PDB.", 8);
+ memcpy(&buildId->buildId->PDB70.Signature[8], "LLD PDB.", 8);
}
- if (DebugDirectory)
- DebugDirectory->setTimeDateStamp(Timestamp);
+ if (debugDirectory)
+ debugDirectory->setTimeDateStamp(timestamp);
- uint8_t *Buf = Buffer->getBufferStart();
- Buf += DOSStubSize + sizeof(PEMagic);
- object::coff_file_header *CoffHeader =
- reinterpret_cast<coff_file_header *>(Buf);
- CoffHeader->TimeDateStamp = Timestamp;
+ uint8_t *buf = buffer->getBufferStart();
+ buf += dosStubSize + sizeof(PEMagic);
+ object::coff_file_header *coffHeader =
+ reinterpret_cast<coff_file_header *>(buf);
+ coffHeader->TimeDateStamp = timestamp;
}
// Sort .pdata section contents according to PE/COFF spec 5.5.
void Writer::sortExceptionTable() {
- if (!FirstPdata)
+ if (!firstPdata)
return;
// We assume .pdata contains function table entries only.
- auto BufAddr = [&](Chunk *C) {
- OutputSection *OS = C->getOutputSection();
- return Buffer->getBufferStart() + OS->getFileOff() + C->getRVA() -
- OS->getRVA();
+ auto bufAddr = [&](Chunk *c) {
+ OutputSection *os = c->getOutputSection();
+ return buffer->getBufferStart() + os->getFileOff() + c->getRVA() -
+ os->getRVA();
};
- uint8_t *Begin = BufAddr(FirstPdata);
- uint8_t *End = BufAddr(LastPdata) + LastPdata->getSize();
- if (Config->Machine == AMD64) {
- struct Entry { ulittle32_t Begin, End, Unwind; };
+ uint8_t *begin = bufAddr(firstPdata);
+ uint8_t *end = bufAddr(lastPdata) + lastPdata->getSize();
+ if (config->machine == AMD64) {
+ struct Entry { ulittle32_t begin, end, unwind; };
parallelSort(
- MutableArrayRef<Entry>((Entry *)Begin, (Entry *)End),
- [](const Entry &A, const Entry &B) { return A.Begin < B.Begin; });
+ MutableArrayRef<Entry>((Entry *)begin, (Entry *)end),
+ [](const Entry &a, const Entry &b) { return a.begin < b.begin; });
return;
}
- if (Config->Machine == ARMNT || Config->Machine == ARM64) {
- struct Entry { ulittle32_t Begin, Unwind; };
+ if (config->machine == ARMNT || config->machine == ARM64) {
+ struct Entry { ulittle32_t begin, unwind; };
parallelSort(
- MutableArrayRef<Entry>((Entry *)Begin, (Entry *)End),
- [](const Entry &A, const Entry &B) { return A.Begin < B.Begin; });
+ MutableArrayRef<Entry>((Entry *)begin, (Entry *)end),
+ [](const Entry &a, const Entry &b) { return a.begin < b.begin; });
return;
}
errs() << "warning: don't know how to handle .pdata.\n";
@@ -1818,92 +1818,92 @@
// pointers in the order that they are listed in the object file (top to
// bottom), otherwise global objects might not be initialized in the
// correct order.
-void Writer::sortCRTSectionChunks(std::vector<Chunk *> &Chunks) {
- auto SectionChunkOrder = [](const Chunk *A, const Chunk *B) {
- auto SA = dyn_cast<SectionChunk>(A);
- auto SB = dyn_cast<SectionChunk>(B);
- assert(SA && SB && "Non-section chunks in CRT section!");
+void Writer::sortCRTSectionChunks(std::vector<Chunk *> &chunks) {
+ auto sectionChunkOrder = [](const Chunk *a, const Chunk *b) {
+ auto sa = dyn_cast<SectionChunk>(a);
+ auto sb = dyn_cast<SectionChunk>(b);
+ assert(sa && sb && "Non-section chunks in CRT section!");
- StringRef SAObj = SA->File->MB.getBufferIdentifier();
- StringRef SBObj = SB->File->MB.getBufferIdentifier();
+ StringRef sAObj = sa->file->mb.getBufferIdentifier();
+ StringRef sBObj = sb->file->mb.getBufferIdentifier();
- return SAObj == SBObj && SA->getSectionNumber() < SB->getSectionNumber();
+ return sAObj == sBObj && sa->getSectionNumber() < sb->getSectionNumber();
};
- llvm::stable_sort(Chunks, SectionChunkOrder);
+ llvm::stable_sort(chunks, sectionChunkOrder);
- if (Config->Verbose) {
- for (auto &C : Chunks) {
- auto SC = dyn_cast<SectionChunk>(C);
- log(" " + SC->File->MB.getBufferIdentifier().str() +
- ", SectionID: " + Twine(SC->getSectionNumber()));
+ if (config->verbose) {
+ for (auto &c : chunks) {
+ auto sc = dyn_cast<SectionChunk>(c);
+ log(" " + sc->file->mb.getBufferIdentifier().str() +
+ ", SectionID: " + Twine(sc->getSectionNumber()));
}
}
}
-OutputSection *Writer::findSection(StringRef Name) {
- for (OutputSection *Sec : OutputSections)
- if (Sec->Name == Name)
- return Sec;
+OutputSection *Writer::findSection(StringRef name) {
+ for (OutputSection *sec : outputSections)
+ if (sec->name == name)
+ return sec;
return nullptr;
}
uint32_t Writer::getSizeOfInitializedData() {
- uint32_t Res = 0;
- for (OutputSection *S : OutputSections)
- if (S->Header.Characteristics & IMAGE_SCN_CNT_INITIALIZED_DATA)
- Res += S->getRawSize();
- return Res;
+ uint32_t res = 0;
+ for (OutputSection *s : outputSections)
+ if (s->header.Characteristics & IMAGE_SCN_CNT_INITIALIZED_DATA)
+ res += s->getRawSize();
+ return res;
}
// Add base relocations to .reloc section.
void Writer::addBaserels() {
- if (!Config->Relocatable)
+ if (!config->relocatable)
return;
- RelocSec->Chunks.clear();
- std::vector<Baserel> V;
- for (OutputSection *Sec : OutputSections) {
- if (Sec->Header.Characteristics & IMAGE_SCN_MEM_DISCARDABLE)
+ relocSec->chunks.clear();
+ std::vector<Baserel> v;
+ for (OutputSection *sec : outputSections) {
+ if (sec->header.Characteristics & IMAGE_SCN_MEM_DISCARDABLE)
continue;
// Collect all locations for base relocations.
- for (Chunk *C : Sec->Chunks)
- C->getBaserels(&V);
+ for (Chunk *c : sec->chunks)
+ c->getBaserels(&v);
// Add the addresses to .reloc section.
- if (!V.empty())
- addBaserelBlocks(V);
- V.clear();
+ if (!v.empty())
+ addBaserelBlocks(v);
+ v.clear();
}
}
// Add addresses to .reloc section. Note that addresses are grouped by page.
-void Writer::addBaserelBlocks(std::vector<Baserel> &V) {
- const uint32_t Mask = ~uint32_t(PageSize - 1);
- uint32_t Page = V[0].RVA & Mask;
- size_t I = 0, J = 1;
- for (size_t E = V.size(); J < E; ++J) {
- uint32_t P = V[J].RVA & Mask;
- if (P == Page)
+void Writer::addBaserelBlocks(std::vector<Baserel> &v) {
+ const uint32_t mask = ~uint32_t(pageSize - 1);
+ uint32_t page = v[0].rva & mask;
+ size_t i = 0, j = 1;
+ for (size_t e = v.size(); j < e; ++j) {
+ uint32_t p = v[j].rva & mask;
+ if (p == page)
continue;
- RelocSec->addChunk(make<BaserelChunk>(Page, &V[I], &V[0] + J));
- I = J;
- Page = P;
+ relocSec->addChunk(make<BaserelChunk>(page, &v[i], &v[0] + j));
+ i = j;
+ page = p;
}
- if (I == J)
+ if (i == j)
return;
- RelocSec->addChunk(make<BaserelChunk>(Page, &V[I], &V[0] + J));
+ relocSec->addChunk(make<BaserelChunk>(page, &v[i], &v[0] + j));
}
-PartialSection *Writer::createPartialSection(StringRef Name,
- uint32_t OutChars) {
- PartialSection *&PSec = PartialSections[{Name, OutChars}];
- if (PSec)
- return PSec;
- PSec = make<PartialSection>(Name, OutChars);
- return PSec;
+PartialSection *Writer::createPartialSection(StringRef name,
+ uint32_t outChars) {
+ PartialSection *&pSec = partialSections[{name, outChars}];
+ if (pSec)
+ return pSec;
+ pSec = make<PartialSection>(name, outChars);
+ return pSec;
}
-PartialSection *Writer::findPartialSection(StringRef Name, uint32_t OutChars) {
- auto It = PartialSections.find({Name, OutChars});
- if (It != PartialSections.end())
- return It->second;
+PartialSection *Writer::findPartialSection(StringRef name, uint32_t outChars) {
+ auto it = partialSections.find({name, outChars});
+ if (it != partialSections.end())
+ return it->second;
return nullptr;
}
diff --git a/lld/COFF/Writer.h b/lld/COFF/Writer.h
index 8fd97cb..96389df 100644
--- a/lld/COFF/Writer.h
+++ b/lld/COFF/Writer.h
@@ -18,17 +18,17 @@
namespace lld {
namespace coff {
-static const int PageSize = 4096;
+static const int pageSize = 4096;
void writeResult();
class PartialSection {
public:
- PartialSection(StringRef N, uint32_t Chars)
- : Name(N), Characteristics(Chars) {}
- StringRef Name;
- unsigned Characteristics;
- std::vector<Chunk *> Chunks;
+ PartialSection(StringRef n, uint32_t chars)
+ : name(n), characteristics(chars) {}
+ StringRef name;
+ unsigned characteristics;
+ std::vector<Chunk *> chunks;
};
// OutputSection represents a section in an output file. It's a
@@ -38,45 +38,45 @@
// non-overlapping file offsets and RVAs.
class OutputSection {
public:
- OutputSection(llvm::StringRef N, uint32_t Chars) : Name(N) {
- Header.Characteristics = Chars;
+ OutputSection(llvm::StringRef n, uint32_t chars) : name(n) {
+ header.Characteristics = chars;
}
- void addChunk(Chunk *C);
- void insertChunkAtStart(Chunk *C);
- void merge(OutputSection *Other);
- void setPermissions(uint32_t C);
- uint64_t getRVA() { return Header.VirtualAddress; }
- uint64_t getFileOff() { return Header.PointerToRawData; }
- void writeHeaderTo(uint8_t *Buf);
- void addContributingPartialSection(PartialSection *Sec);
+ void addChunk(Chunk *c);
+ void insertChunkAtStart(Chunk *c);
+ void merge(OutputSection *other);
+ void setPermissions(uint32_t c);
+ uint64_t getRVA() { return header.VirtualAddress; }
+ uint64_t getFileOff() { return header.PointerToRawData; }
+ void writeHeaderTo(uint8_t *buf);
+ void addContributingPartialSection(PartialSection *sec);
// Returns the size of this section in an executable memory image.
// This may be smaller than the raw size (the raw size is multiple
// of disk sector size, so there may be padding at end), or may be
// larger (if that's the case, the loader reserves spaces after end
// of raw data).
- uint64_t getVirtualSize() { return Header.VirtualSize; }
+ uint64_t getVirtualSize() { return header.VirtualSize; }
// Returns the size of the section in the output file.
- uint64_t getRawSize() { return Header.SizeOfRawData; }
+ uint64_t getRawSize() { return header.SizeOfRawData; }
// Set offset into the string table storing this section name.
// Used only when the name is longer than 8 bytes.
- void setStringTableOff(uint32_t V) { StringTableOff = V; }
+ void setStringTableOff(uint32_t v) { stringTableOff = v; }
// N.B. The section index is one based.
- uint32_t SectionIndex = 0;
+ uint32_t sectionIndex = 0;
- llvm::StringRef Name;
- llvm::object::coff_section Header = {};
+ llvm::StringRef name;
+ llvm::object::coff_section header = {};
- std::vector<Chunk *> Chunks;
- std::vector<Chunk *> OrigChunks;
+ std::vector<Chunk *> chunks;
+ std::vector<Chunk *> origChunks;
- std::vector<PartialSection *> ContribSections;
+ std::vector<PartialSection *> contribSections;
private:
- uint32_t StringTableOff = 0;
+ uint32_t stringTableOff = 0;
};
} // namespace coff
