| //===- lld/unittest/MachOTests/MachONormalizedFileBinaryWriterTests.cpp ---===// | |
| // | |
| // The LLVM Compiler Infrastructure | |
| // | |
| // This file is distributed under the University of Illinois Open Source | |
| // License. See LICENSE.TXT for details. | |
| // | |
| //===----------------------------------------------------------------------===// | |
| #include "gtest/gtest.h" | |
| #include "../../lib/ReaderWriter/MachO/MachONormalizedFile.h" | |
| #include "llvm/ADT/Twine.h" | |
| #include "llvm/Support/FileSystem.h" | |
| #include "llvm/Support/MachO.h" | |
| #include <cassert> | |
| #include <memory> | |
| #include <system_error> | |
| #include <vector> | |
| using llvm::StringRef; | |
| using llvm::MemoryBuffer; | |
| using llvm::SmallString; | |
| using llvm::Twine; | |
| using llvm::ErrorOr; | |
| using namespace llvm::MachO; | |
| using namespace lld::mach_o::normalized; | |
| // Parses binary mach-o file at specified path and returns | |
| // ownership of buffer to mb parameter and ownership of | |
| // Normalized file to nf parameter. | |
| static void fromBinary(StringRef path, std::unique_ptr<MemoryBuffer> &mb, | |
| std::unique_ptr<NormalizedFile> &nf, StringRef archStr) { | |
| ErrorOr<std::unique_ptr<MemoryBuffer>> mbOrErr = MemoryBuffer::getFile(path); | |
| std::error_code ec = mbOrErr.getError(); | |
| EXPECT_FALSE(ec); | |
| mb = std::move(mbOrErr.get()); | |
| llvm::Expected<std::unique_ptr<NormalizedFile>> r = | |
| lld::mach_o::normalized::readBinary( | |
| mb, lld::MachOLinkingContext::archFromName(archStr)); | |
| EXPECT_FALSE(!r); | |
| nf.reset(r->release()); | |
| } | |
| static Relocation | |
| makeReloc(unsigned addr, bool rel, bool ext, RelocationInfoType type, | |
| unsigned sym) { | |
| Relocation result; | |
| result.offset = addr; | |
| result.scattered = false; | |
| result.type = type; | |
| result.length = 2; | |
| result.pcRel = rel; | |
| result.isExtern = ext; | |
| result.value = 0; | |
| result.symbol = sym; | |
| return result; | |
| } | |
| static Relocation | |
| makeScatReloc(unsigned addr, RelocationInfoType type, unsigned value) { | |
| Relocation result; | |
| result.offset = addr; | |
| result.scattered = true; | |
| result.type = type; | |
| result.length = 2; | |
| result.pcRel = false; | |
| result.isExtern = true; | |
| result.value = value; | |
| result.symbol = 0; | |
| return result; | |
| } | |
| static Symbol | |
| makeUndefSymbol(StringRef name) { | |
| Symbol sym; | |
| sym.name = name; | |
| sym.type = N_UNDF; | |
| sym.scope = N_EXT; | |
| sym.sect = NO_SECT; | |
| sym.desc = 0; | |
| sym.value = 0; | |
| return sym; | |
| } | |
| static Symbol | |
| makeSymbol(StringRef name, unsigned addr) { | |
| Symbol sym; | |
| sym.name = name; | |
| sym.type = N_SECT; | |
| sym.scope = N_EXT; | |
| sym.sect = 1; | |
| sym.desc = 0; | |
| sym.value = addr; | |
| return sym; | |
| } | |
| static Symbol | |
| makeThumbSymbol(StringRef name, unsigned addr) { | |
| Symbol sym; | |
| sym.name = name; | |
| sym.type = N_SECT; | |
| sym.scope = N_EXT; | |
| sym.sect = 1; | |
| sym.desc = N_ARM_THUMB_DEF; | |
| sym.value = addr; | |
| return sym; | |
| } | |
| TEST(BinaryWriterTest, obj_relocs_x86_64) { | |
| SmallString<128> tmpFl; | |
| { | |
| NormalizedFile f; | |
| f.arch = lld::MachOLinkingContext::arch_x86_64; | |
| f.fileType = MH_OBJECT; | |
| f.flags = MH_SUBSECTIONS_VIA_SYMBOLS; | |
| f.os = lld::MachOLinkingContext::OS::macOSX; | |
| f.sections.resize(1); | |
| Section& text = f.sections.front(); | |
| text.segmentName = "__TEXT"; | |
| text.sectionName = "__text"; | |
| text.type = S_REGULAR; | |
| text.attributes = SectionAttr(S_ATTR_PURE_INSTRUCTIONS | |
| | S_ATTR_SOME_INSTRUCTIONS); | |
| text.alignment = 16; | |
| text.address = 0; | |
| const uint8_t textBytes[] = { | |
| 0xe8, 0x00, 0x00, 0x00, 0x00, 0x48, 0x8b, 0x05, | |
| 0x00, 0x00, 0x00, 0x00, 0xff, 0x35, 0x00, 0x00, | |
| 0x00, 0x00, 0x8b, 0x05, 0x00, 0x00, 0x00, 0x00, | |
| 0xc6, 0x05, 0xff, 0xff, 0xff, 0xff, 0x12, 0xc7, | |
| 0x05, 0xfc, 0xff, 0xff, 0xff, 0x78, 0x56, 0x34, | |
| 0x12, 0x48, 0x8b, 0x3d, 0x00, 0x00, 0x00, 0x00 }; | |
| text.content = llvm::makeArrayRef(textBytes, sizeof(textBytes)); | |
| text.relocations.push_back(makeReloc(0x01, false, true, X86_64_RELOC_BRANCH, 1)); | |
| text.relocations.push_back(makeReloc(0x08, false, true, X86_64_RELOC_GOT_LOAD, 1)); | |
| text.relocations.push_back(makeReloc(0x0E, false, true, X86_64_RELOC_GOT, 1)); | |
| text.relocations.push_back(makeReloc(0x14, false, true, X86_64_RELOC_SIGNED, 1)); | |
| text.relocations.push_back(makeReloc(0x1A, false, true, X86_64_RELOC_SIGNED_1, 1)); | |
| text.relocations.push_back(makeReloc(0x21, false, true, X86_64_RELOC_SIGNED_4, 1)); | |
| text.relocations.push_back(makeReloc(0x2C, false, true, X86_64_RELOC_TLV, 2)); | |
| f.undefinedSymbols.push_back(makeUndefSymbol("_bar")); | |
| f.undefinedSymbols.push_back(makeUndefSymbol("_tbar")); | |
| std::error_code ec = | |
| llvm::sys::fs::createTemporaryFile(Twine("xx"), "o", tmpFl); | |
| EXPECT_FALSE(ec); | |
| llvm::Error ec2 = writeBinary(f, tmpFl); | |
| EXPECT_FALSE(ec2); | |
| } | |
| std::unique_ptr<MemoryBuffer> bufferOwner; | |
| std::unique_ptr<NormalizedFile> f2; | |
| fromBinary(tmpFl, bufferOwner, f2, "x86_64"); | |
| EXPECT_EQ(lld::MachOLinkingContext::arch_x86_64, f2->arch); | |
| EXPECT_EQ(MH_OBJECT, f2->fileType); | |
| EXPECT_EQ(FileFlags(MH_SUBSECTIONS_VIA_SYMBOLS), f2->flags); | |
| EXPECT_TRUE(f2->localSymbols.empty()); | |
| EXPECT_TRUE(f2->globalSymbols.empty()); | |
| EXPECT_EQ(2UL, f2->undefinedSymbols.size()); | |
| const Symbol& barUndef = f2->undefinedSymbols[0]; | |
| EXPECT_TRUE(barUndef.name.equals("_bar")); | |
| EXPECT_EQ(N_UNDF, barUndef.type); | |
| EXPECT_EQ(SymbolScope(N_EXT), barUndef.scope); | |
| const Symbol& tbarUndef = f2->undefinedSymbols[1]; | |
| EXPECT_TRUE(tbarUndef.name.equals("_tbar")); | |
| EXPECT_EQ(N_UNDF, tbarUndef.type); | |
| EXPECT_EQ(SymbolScope(N_EXT), tbarUndef.scope); | |
| EXPECT_EQ(1UL, f2->sections.size()); | |
| const Section& text = f2->sections[0]; | |
| EXPECT_TRUE(text.segmentName.equals("__TEXT")); | |
| EXPECT_TRUE(text.sectionName.equals("__text")); | |
| EXPECT_EQ(S_REGULAR, text.type); | |
| EXPECT_EQ(text.attributes,SectionAttr(S_ATTR_PURE_INSTRUCTIONS | |
| | S_ATTR_SOME_INSTRUCTIONS)); | |
| EXPECT_EQ((uint16_t)text.alignment, 16U); | |
| EXPECT_EQ(text.address, Hex64(0x0)); | |
| EXPECT_EQ(48UL, text.content.size()); | |
| const Relocation& call = text.relocations[0]; | |
| EXPECT_EQ(call.offset, Hex32(0x1)); | |
| EXPECT_EQ(call.type, X86_64_RELOC_BRANCH); | |
| EXPECT_EQ(call.length, 2); | |
| EXPECT_EQ(call.isExtern, true); | |
| EXPECT_EQ(call.symbol, 1U); | |
| const Relocation& gotLoad = text.relocations[1]; | |
| EXPECT_EQ(gotLoad.offset, Hex32(0x8)); | |
| EXPECT_EQ(gotLoad.type, X86_64_RELOC_GOT_LOAD); | |
| EXPECT_EQ(gotLoad.length, 2); | |
| EXPECT_EQ(gotLoad.isExtern, true); | |
| EXPECT_EQ(gotLoad.symbol, 1U); | |
| const Relocation& gotUse = text.relocations[2]; | |
| EXPECT_EQ(gotUse.offset, Hex32(0xE)); | |
| EXPECT_EQ(gotUse.type, X86_64_RELOC_GOT); | |
| EXPECT_EQ(gotUse.length, 2); | |
| EXPECT_EQ(gotUse.isExtern, true); | |
| EXPECT_EQ(gotUse.symbol, 1U); | |
| const Relocation& signed0 = text.relocations[3]; | |
| EXPECT_EQ(signed0.offset, Hex32(0x14)); | |
| EXPECT_EQ(signed0.type, X86_64_RELOC_SIGNED); | |
| EXPECT_EQ(signed0.length, 2); | |
| EXPECT_EQ(signed0.isExtern, true); | |
| EXPECT_EQ(signed0.symbol, 1U); | |
| const Relocation& signed1 = text.relocations[4]; | |
| EXPECT_EQ(signed1.offset, Hex32(0x1A)); | |
| EXPECT_EQ(signed1.type, X86_64_RELOC_SIGNED_1); | |
| EXPECT_EQ(signed1.length, 2); | |
| EXPECT_EQ(signed1.isExtern, true); | |
| EXPECT_EQ(signed1.symbol, 1U); | |
| const Relocation& signed4 = text.relocations[5]; | |
| EXPECT_EQ(signed4.offset, Hex32(0x21)); | |
| EXPECT_EQ(signed4.type, X86_64_RELOC_SIGNED_4); | |
| EXPECT_EQ(signed4.length, 2); | |
| EXPECT_EQ(signed4.isExtern, true); | |
| EXPECT_EQ(signed4.symbol, 1U); | |
| bufferOwner.reset(nullptr); | |
| std::error_code ec = llvm::sys::fs::remove(Twine(tmpFl)); | |
| EXPECT_FALSE(ec); | |
| } | |
| TEST(BinaryWriterTest, obj_relocs_x86) { | |
| SmallString<128> tmpFl; | |
| { | |
| NormalizedFile f; | |
| f.arch = lld::MachOLinkingContext::arch_x86; | |
| f.fileType = MH_OBJECT; | |
| f.flags = MH_SUBSECTIONS_VIA_SYMBOLS; | |
| f.os = lld::MachOLinkingContext::OS::macOSX; | |
| f.sections.resize(1); | |
| Section& text = f.sections.front(); | |
| text.segmentName = "__TEXT"; | |
| text.sectionName = "__text"; | |
| text.type = S_REGULAR; | |
| text.attributes = SectionAttr(S_ATTR_PURE_INSTRUCTIONS | |
| | S_ATTR_SOME_INSTRUCTIONS); | |
| text.alignment = 16; | |
| text.address = 0; | |
| const uint8_t textBytes[] = { | |
| 0xe8, 0xfb, 0xff, 0xff, 0xff, 0xa1, 0x00, 0x00, | |
| 0x00, 0x00, 0x8b, 0xb0, 0xfb, 0xff, 0xff, 0xff, | |
| 0x8b, 0x80, 0x11, 0x00, 0x00, 0x00 }; | |
| text.content = llvm::makeArrayRef(textBytes, sizeof(textBytes)); | |
| text.relocations.push_back(makeReloc(0x01, true, true, GENERIC_RELOC_VANILLA, 0)); | |
| text.relocations.push_back(makeReloc(0x06, false, true, GENERIC_RELOC_VANILLA, 0)); | |
| text.relocations.push_back(makeScatReloc(0x0c, GENERIC_RELOC_LOCAL_SECTDIFF, 0)); | |
| text.relocations.push_back(makeScatReloc(0x0, GENERIC_RELOC_PAIR, 5)); | |
| text.relocations.push_back(makeReloc(0x12, true, true, GENERIC_RELOC_TLV, 1)); | |
| f.undefinedSymbols.push_back(makeUndefSymbol("_bar")); | |
| f.undefinedSymbols.push_back(makeUndefSymbol("_tbar")); | |
| std::error_code ec = | |
| llvm::sys::fs::createTemporaryFile(Twine("xx"), "o", tmpFl); | |
| EXPECT_FALSE(ec); | |
| llvm::Error ec2 = writeBinary(f, tmpFl); | |
| EXPECT_FALSE(ec2); | |
| } | |
| std::unique_ptr<MemoryBuffer> bufferOwner; | |
| std::unique_ptr<NormalizedFile> f2; | |
| fromBinary(tmpFl, bufferOwner, f2, "i386"); | |
| EXPECT_EQ(lld::MachOLinkingContext::arch_x86, f2->arch); | |
| EXPECT_EQ(MH_OBJECT, f2->fileType); | |
| EXPECT_EQ(FileFlags(MH_SUBSECTIONS_VIA_SYMBOLS), f2->flags); | |
| EXPECT_TRUE(f2->localSymbols.empty()); | |
| EXPECT_TRUE(f2->globalSymbols.empty()); | |
| EXPECT_EQ(2UL, f2->undefinedSymbols.size()); | |
| const Symbol& barUndef = f2->undefinedSymbols[0]; | |
| EXPECT_TRUE(barUndef.name.equals("_bar")); | |
| EXPECT_EQ(N_UNDF, barUndef.type); | |
| EXPECT_EQ(SymbolScope(N_EXT), barUndef.scope); | |
| const Symbol& tbarUndef = f2->undefinedSymbols[1]; | |
| EXPECT_TRUE(tbarUndef.name.equals("_tbar")); | |
| EXPECT_EQ(N_UNDF, tbarUndef.type); | |
| EXPECT_EQ(SymbolScope(N_EXT), tbarUndef.scope); | |
| EXPECT_EQ(1UL, f2->sections.size()); | |
| const Section& text = f2->sections[0]; | |
| EXPECT_TRUE(text.segmentName.equals("__TEXT")); | |
| EXPECT_TRUE(text.sectionName.equals("__text")); | |
| EXPECT_EQ(S_REGULAR, text.type); | |
| EXPECT_EQ(text.attributes,SectionAttr(S_ATTR_PURE_INSTRUCTIONS | |
| | S_ATTR_SOME_INSTRUCTIONS)); | |
| EXPECT_EQ((uint16_t)text.alignment, 16U); | |
| EXPECT_EQ(text.address, Hex64(0x0)); | |
| EXPECT_EQ(22UL, text.content.size()); | |
| const Relocation& call = text.relocations[0]; | |
| EXPECT_EQ(call.offset, Hex32(0x1)); | |
| EXPECT_EQ(call.scattered, false); | |
| EXPECT_EQ(call.type, GENERIC_RELOC_VANILLA); | |
| EXPECT_EQ(call.pcRel, true); | |
| EXPECT_EQ(call.length, 2); | |
| EXPECT_EQ(call.isExtern, true); | |
| EXPECT_EQ(call.symbol, 0U); | |
| const Relocation& absLoad = text.relocations[1]; | |
| EXPECT_EQ(absLoad.offset, Hex32(0x6)); | |
| EXPECT_EQ(absLoad.scattered, false); | |
| EXPECT_EQ(absLoad.type, GENERIC_RELOC_VANILLA); | |
| EXPECT_EQ(absLoad.pcRel, false); | |
| EXPECT_EQ(absLoad.length, 2); | |
| EXPECT_EQ(absLoad.isExtern, true); | |
| EXPECT_EQ(absLoad.symbol,0U); | |
| const Relocation& pic1 = text.relocations[2]; | |
| EXPECT_EQ(pic1.offset, Hex32(0xc)); | |
| EXPECT_EQ(pic1.scattered, true); | |
| EXPECT_EQ(pic1.type, GENERIC_RELOC_LOCAL_SECTDIFF); | |
| EXPECT_EQ(pic1.length, 2); | |
| EXPECT_EQ(pic1.value, 0U); | |
| const Relocation& pic2 = text.relocations[3]; | |
| EXPECT_EQ(pic2.offset, Hex32(0x0)); | |
| EXPECT_EQ(pic1.scattered, true); | |
| EXPECT_EQ(pic2.type, GENERIC_RELOC_PAIR); | |
| EXPECT_EQ(pic2.length, 2); | |
| EXPECT_EQ(pic2.value, 5U); | |
| const Relocation& tlv = text.relocations[4]; | |
| EXPECT_EQ(tlv.offset, Hex32(0x12)); | |
| EXPECT_EQ(tlv.type, GENERIC_RELOC_TLV); | |
| EXPECT_EQ(tlv.length, 2); | |
| EXPECT_EQ(tlv.isExtern, true); | |
| EXPECT_EQ(tlv.symbol, 1U); | |
| //llvm::errs() << "temp = " << tmpFl << "\n"; | |
| bufferOwner.reset(nullptr); | |
| std::error_code ec = llvm::sys::fs::remove(Twine(tmpFl)); | |
| EXPECT_FALSE(ec); | |
| } | |
| TEST(BinaryWriterTest, obj_relocs_armv7) { | |
| SmallString<128> tmpFl; | |
| { | |
| NormalizedFile f; | |
| f.arch = lld::MachOLinkingContext::arch_armv7; | |
| f.fileType = MH_OBJECT; | |
| f.flags = MH_SUBSECTIONS_VIA_SYMBOLS; | |
| f.os = lld::MachOLinkingContext::OS::macOSX; | |
| f.sections.resize(1); | |
| Section& text = f.sections.front(); | |
| text.segmentName = "__TEXT"; | |
| text.sectionName = "__text"; | |
| text.type = S_REGULAR; | |
| text.attributes = SectionAttr(S_ATTR_PURE_INSTRUCTIONS | |
| | S_ATTR_SOME_INSTRUCTIONS); | |
| text.alignment = 4; | |
| text.address = 0; | |
| const uint8_t textBytes[] = { | |
| 0xff, 0xf7, 0xfe, 0xef, 0x40, 0xf2, 0x05, 0x01, | |
| 0xc0, 0xf2, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, | |
| 0x00, 0xbf }; | |
| text.content = llvm::makeArrayRef(textBytes, sizeof(textBytes)); | |
| text.relocations.push_back(makeReloc(0x00, true, true, | |
| ARM_THUMB_RELOC_BR22, 2)); | |
| text.relocations.push_back(makeScatReloc(0x04, | |
| ARM_RELOC_HALF_SECTDIFF, 0x10)); | |
| text.relocations.push_back(makeScatReloc(0x00, | |
| ARM_RELOC_PAIR, 0xC)); | |
| text.relocations.push_back(makeScatReloc(0x08, | |
| ARM_RELOC_HALF_SECTDIFF, 0x10)); | |
| text.relocations.push_back(makeScatReloc(0x00, | |
| ARM_RELOC_PAIR, 0xC)); | |
| text.relocations.push_back(makeReloc(0x0C, false, true, | |
| ARM_RELOC_VANILLA, 2)); | |
| f.globalSymbols.push_back(makeThumbSymbol("_foo", 0x00)); | |
| f.globalSymbols.push_back(makeThumbSymbol("_foo2", 0x10)); | |
| f.undefinedSymbols.push_back(makeUndefSymbol("_bar")); | |
| std::error_code ec = | |
| llvm::sys::fs::createTemporaryFile(Twine("xx"), "o", tmpFl); | |
| EXPECT_FALSE(ec); | |
| llvm::Error ec2 = writeBinary(f, tmpFl); | |
| EXPECT_FALSE(ec2); | |
| } | |
| std::unique_ptr<MemoryBuffer> bufferOwner; | |
| std::unique_ptr<NormalizedFile> f2; | |
| fromBinary(tmpFl, bufferOwner, f2, "armv7"); | |
| EXPECT_EQ(lld::MachOLinkingContext::arch_armv7, f2->arch); | |
| EXPECT_EQ(MH_OBJECT, f2->fileType); | |
| EXPECT_EQ(FileFlags(MH_SUBSECTIONS_VIA_SYMBOLS), f2->flags); | |
| EXPECT_TRUE(f2->localSymbols.empty()); | |
| EXPECT_EQ(2UL, f2->globalSymbols.size()); | |
| const Symbol& fooDef = f2->globalSymbols[0]; | |
| EXPECT_TRUE(fooDef.name.equals("_foo")); | |
| EXPECT_EQ(N_SECT, fooDef.type); | |
| EXPECT_EQ(1, fooDef.sect); | |
| EXPECT_EQ(SymbolScope(N_EXT), fooDef.scope); | |
| const Symbol& foo2Def = f2->globalSymbols[1]; | |
| EXPECT_TRUE(foo2Def.name.equals("_foo2")); | |
| EXPECT_EQ(N_SECT, foo2Def.type); | |
| EXPECT_EQ(1, foo2Def.sect); | |
| EXPECT_EQ(SymbolScope(N_EXT), foo2Def.scope); | |
| EXPECT_EQ(1UL, f2->undefinedSymbols.size()); | |
| const Symbol& barUndef = f2->undefinedSymbols[0]; | |
| EXPECT_TRUE(barUndef.name.equals("_bar")); | |
| EXPECT_EQ(N_UNDF, barUndef.type); | |
| EXPECT_EQ(SymbolScope(N_EXT), barUndef.scope); | |
| EXPECT_EQ(1UL, f2->sections.size()); | |
| const Section& text = f2->sections[0]; | |
| EXPECT_TRUE(text.segmentName.equals("__TEXT")); | |
| EXPECT_TRUE(text.sectionName.equals("__text")); | |
| EXPECT_EQ(S_REGULAR, text.type); | |
| EXPECT_EQ(text.attributes,SectionAttr(S_ATTR_PURE_INSTRUCTIONS | |
| | S_ATTR_SOME_INSTRUCTIONS)); | |
| EXPECT_EQ((uint16_t)text.alignment, 4U); | |
| EXPECT_EQ(text.address, Hex64(0x0)); | |
| EXPECT_EQ(18UL, text.content.size()); | |
| const Relocation& blx = text.relocations[0]; | |
| EXPECT_EQ(blx.offset, Hex32(0x0)); | |
| EXPECT_EQ(blx.scattered, false); | |
| EXPECT_EQ(blx.type, ARM_THUMB_RELOC_BR22); | |
| EXPECT_EQ(blx.pcRel, true); | |
| EXPECT_EQ(blx.length, 2); | |
| EXPECT_EQ(blx.isExtern, true); | |
| EXPECT_EQ(blx.symbol, 2U); | |
| const Relocation& movw1 = text.relocations[1]; | |
| EXPECT_EQ(movw1.offset, Hex32(0x4)); | |
| EXPECT_EQ(movw1.scattered, true); | |
| EXPECT_EQ(movw1.type, ARM_RELOC_HALF_SECTDIFF); | |
| EXPECT_EQ(movw1.length, 2); | |
| EXPECT_EQ(movw1.value, 0x10U); | |
| const Relocation& movw2 = text.relocations[2]; | |
| EXPECT_EQ(movw2.offset, Hex32(0x0)); | |
| EXPECT_EQ(movw2.scattered, true); | |
| EXPECT_EQ(movw2.type, ARM_RELOC_PAIR); | |
| EXPECT_EQ(movw2.length, 2); | |
| EXPECT_EQ(movw2.value, Hex32(0xC)); | |
| const Relocation& movt1 = text.relocations[3]; | |
| EXPECT_EQ(movt1.offset, Hex32(0x8)); | |
| EXPECT_EQ(movt1.scattered, true); | |
| EXPECT_EQ(movt1.type, ARM_RELOC_HALF_SECTDIFF); | |
| EXPECT_EQ(movt1.length, 2); | |
| EXPECT_EQ(movt1.value, Hex32(0x10)); | |
| const Relocation& movt2 = text.relocations[4]; | |
| EXPECT_EQ(movt2.offset, Hex32(0x0)); | |
| EXPECT_EQ(movt2.scattered, true); | |
| EXPECT_EQ(movt2.type, ARM_RELOC_PAIR); | |
| EXPECT_EQ(movt2.length, 2); | |
| EXPECT_EQ(movt2.value, Hex32(0xC)); | |
| const Relocation& absPointer = text.relocations[5]; | |
| EXPECT_EQ(absPointer.offset, Hex32(0xC)); | |
| EXPECT_EQ(absPointer.type, ARM_RELOC_VANILLA); | |
| EXPECT_EQ(absPointer.length, 2); | |
| EXPECT_EQ(absPointer.isExtern, true); | |
| EXPECT_EQ(absPointer.symbol, 2U); | |
| //llvm::errs() << "temp = " << tmpFl << "\n"; | |
| bufferOwner.reset(nullptr); | |
| std::error_code ec = llvm::sys::fs::remove(Twine(tmpFl)); | |
| EXPECT_FALSE(ec); | |
| } | |
| TEST(BinaryWriterTest, obj_relocs_ppc) { | |
| SmallString<128> tmpFl; | |
| { | |
| NormalizedFile f; | |
| f.arch = lld::MachOLinkingContext::arch_ppc; | |
| f.fileType = MH_OBJECT; | |
| f.flags = MH_SUBSECTIONS_VIA_SYMBOLS; | |
| f.os = lld::MachOLinkingContext::OS::macOSX; | |
| f.sections.resize(1); | |
| Section& text = f.sections.front(); | |
| text.segmentName = "__TEXT"; | |
| text.sectionName = "__text"; | |
| text.type = S_REGULAR; | |
| text.attributes = SectionAttr(S_ATTR_PURE_INSTRUCTIONS | |
| | S_ATTR_SOME_INSTRUCTIONS); | |
| text.alignment = 4; | |
| text.address = 0; | |
| const uint8_t textBytes[] = { | |
| 0x48, 0x00, 0x00, 0x01, 0x40, 0x82, 0xff, 0xfc, | |
| 0x3c, 0x62, 0x00, 0x00, 0x3c, 0x62, 0x00, 0x00, | |
| 0x80, 0x63, 0x00, 0x24, 0x80, 0x63, 0x00, 0x24, | |
| 0x3c, 0x40, 0x00, 0x00, 0x3c, 0x60, 0x00, 0x00, | |
| 0x80, 0x42, 0x00, 0x28, 0x80, 0x63, 0x00, 0x28, | |
| 0x60, 0x00, 0x00, 0x00 }; | |
| text.content = llvm::makeArrayRef(textBytes, sizeof(textBytes)); | |
| text.relocations.push_back(makeReloc(0x00, true, true, | |
| PPC_RELOC_BR24, 2)); | |
| text.relocations.push_back(makeReloc(0x04, true, true, | |
| PPC_RELOC_BR14, 2)); | |
| text.relocations.push_back(makeScatReloc(0x08, | |
| PPC_RELOC_HI16_SECTDIFF, 0x28)); | |
| text.relocations.push_back(makeScatReloc(0x24, | |
| PPC_RELOC_PAIR, 0x4)); | |
| text.relocations.push_back(makeScatReloc(0x0C, | |
| PPC_RELOC_HA16_SECTDIFF, 0x28)); | |
| text.relocations.push_back(makeScatReloc(0x24, | |
| PPC_RELOC_PAIR, 0x4)); | |
| text.relocations.push_back(makeScatReloc(0x10, | |
| PPC_RELOC_LO16_SECTDIFF, 0x28)); | |
| text.relocations.push_back(makeScatReloc(0x00, | |
| PPC_RELOC_PAIR, 0x4)); | |
| text.relocations.push_back(makeScatReloc(0x14, | |
| PPC_RELOC_LO14_SECTDIFF, 0x28)); | |
| text.relocations.push_back(makeScatReloc(0x00, | |
| PPC_RELOC_PAIR, 0x4)); | |
| text.relocations.push_back(makeReloc(0x18, false, false, | |
| PPC_RELOC_HI16, 1)); | |
| text.relocations.push_back(makeReloc(0x28, false, false, | |
| PPC_RELOC_PAIR, 0)); | |
| text.relocations.push_back(makeReloc(0x1C, false, false, | |
| PPC_RELOC_HA16, 1)); | |
| text.relocations.push_back(makeReloc(0x28, false, false, | |
| PPC_RELOC_PAIR, 0)); | |
| text.relocations.push_back(makeReloc(0x20, false, false, | |
| PPC_RELOC_LO16, 1)); | |
| text.relocations.push_back(makeReloc(0x00, false, false, | |
| PPC_RELOC_PAIR, 0)); | |
| text.relocations.push_back(makeReloc(0x24, false, false, | |
| PPC_RELOC_LO14, 1)); | |
| text.relocations.push_back(makeReloc(0x00, false, false, | |
| PPC_RELOC_PAIR, 0)); | |
| f.globalSymbols.push_back(makeSymbol("_foo", 0x00)); | |
| f.globalSymbols.push_back(makeSymbol("_foo2", 0x28)); | |
| f.undefinedSymbols.push_back(makeUndefSymbol("_bar")); | |
| std::error_code ec = | |
| llvm::sys::fs::createTemporaryFile(Twine("xx"), "o", tmpFl); | |
| EXPECT_FALSE(ec); | |
| llvm::Error ec2 = writeBinary(f, tmpFl); | |
| EXPECT_FALSE(ec2); | |
| } | |
| std::unique_ptr<MemoryBuffer> bufferOwner; | |
| std::unique_ptr<NormalizedFile> f2; | |
| fromBinary(tmpFl, bufferOwner, f2, "ppc"); | |
| EXPECT_EQ(lld::MachOLinkingContext::arch_ppc, f2->arch); | |
| EXPECT_EQ(MH_OBJECT, f2->fileType); | |
| EXPECT_EQ(FileFlags(MH_SUBSECTIONS_VIA_SYMBOLS), f2->flags); | |
| EXPECT_TRUE(f2->localSymbols.empty()); | |
| EXPECT_EQ(2UL, f2->globalSymbols.size()); | |
| const Symbol& fooDef = f2->globalSymbols[0]; | |
| EXPECT_TRUE(fooDef.name.equals("_foo")); | |
| EXPECT_EQ(N_SECT, fooDef.type); | |
| EXPECT_EQ(1, fooDef.sect); | |
| EXPECT_EQ(SymbolScope(N_EXT), fooDef.scope); | |
| const Symbol& foo2Def = f2->globalSymbols[1]; | |
| EXPECT_TRUE(foo2Def.name.equals("_foo2")); | |
| EXPECT_EQ(N_SECT, foo2Def.type); | |
| EXPECT_EQ(1, foo2Def.sect); | |
| EXPECT_EQ(SymbolScope(N_EXT), foo2Def.scope); | |
| EXPECT_EQ(1UL, f2->undefinedSymbols.size()); | |
| const Symbol& barUndef = f2->undefinedSymbols[0]; | |
| EXPECT_TRUE(barUndef.name.equals("_bar")); | |
| EXPECT_EQ(N_UNDF, barUndef.type); | |
| EXPECT_EQ(SymbolScope(N_EXT), barUndef.scope); | |
| EXPECT_EQ(1UL, f2->sections.size()); | |
| const Section& text = f2->sections[0]; | |
| EXPECT_TRUE(text.segmentName.equals("__TEXT")); | |
| EXPECT_TRUE(text.sectionName.equals("__text")); | |
| EXPECT_EQ(S_REGULAR, text.type); | |
| EXPECT_EQ(text.attributes,SectionAttr(S_ATTR_PURE_INSTRUCTIONS | |
| | S_ATTR_SOME_INSTRUCTIONS)); | |
| EXPECT_EQ((uint16_t)text.alignment, 4U); | |
| EXPECT_EQ(text.address, Hex64(0x0)); | |
| EXPECT_EQ(44UL, text.content.size()); | |
| const Relocation& br24 = text.relocations[0]; | |
| EXPECT_EQ(br24.offset, Hex32(0x0)); | |
| EXPECT_EQ(br24.scattered, false); | |
| EXPECT_EQ(br24.type, PPC_RELOC_BR24); | |
| EXPECT_EQ(br24.pcRel, true); | |
| EXPECT_EQ(br24.length, 2); | |
| EXPECT_EQ(br24.isExtern, true); | |
| EXPECT_EQ(br24.symbol, 2U); | |
| const Relocation& br14 = text.relocations[1]; | |
| EXPECT_EQ(br14.offset, Hex32(0x4)); | |
| EXPECT_EQ(br14.scattered, false); | |
| EXPECT_EQ(br14.type, PPC_RELOC_BR14); | |
| EXPECT_EQ(br14.pcRel, true); | |
| EXPECT_EQ(br14.length, 2); | |
| EXPECT_EQ(br14.isExtern, true); | |
| EXPECT_EQ(br14.symbol, 2U); | |
| const Relocation& pichi1 = text.relocations[2]; | |
| EXPECT_EQ(pichi1.offset, Hex32(0x8)); | |
| EXPECT_EQ(pichi1.scattered, true); | |
| EXPECT_EQ(pichi1.type, PPC_RELOC_HI16_SECTDIFF); | |
| EXPECT_EQ(pichi1.length, 2); | |
| EXPECT_EQ(pichi1.value, 0x28U); | |
| const Relocation& pichi2 = text.relocations[3]; | |
| EXPECT_EQ(pichi2.offset, Hex32(0x24)); | |
| EXPECT_EQ(pichi2.scattered, true); | |
| EXPECT_EQ(pichi2.type, PPC_RELOC_PAIR); | |
| EXPECT_EQ(pichi2.length, 2); | |
| EXPECT_EQ(pichi2.value, 0x4U); | |
| const Relocation& picha1 = text.relocations[4]; | |
| EXPECT_EQ(picha1.offset, Hex32(0xC)); | |
| EXPECT_EQ(picha1.scattered, true); | |
| EXPECT_EQ(picha1.type, PPC_RELOC_HA16_SECTDIFF); | |
| EXPECT_EQ(picha1.length, 2); | |
| EXPECT_EQ(picha1.value, 0x28U); | |
| const Relocation& picha2 = text.relocations[5]; | |
| EXPECT_EQ(picha2.offset, Hex32(0x24)); | |
| EXPECT_EQ(picha2.scattered, true); | |
| EXPECT_EQ(picha2.type, PPC_RELOC_PAIR); | |
| EXPECT_EQ(picha2.length, 2); | |
| EXPECT_EQ(picha2.value, 0x4U); | |
| const Relocation& piclo1 = text.relocations[6]; | |
| EXPECT_EQ(piclo1.offset, Hex32(0x10)); | |
| EXPECT_EQ(piclo1.scattered, true); | |
| EXPECT_EQ(piclo1.type, PPC_RELOC_LO16_SECTDIFF); | |
| EXPECT_EQ(piclo1.length, 2); | |
| EXPECT_EQ(piclo1.value, 0x28U); | |
| const Relocation& piclo2 = text.relocations[7]; | |
| EXPECT_EQ(piclo2.offset, Hex32(0x0)); | |
| EXPECT_EQ(piclo2.scattered, true); | |
| EXPECT_EQ(piclo2.type, PPC_RELOC_PAIR); | |
| EXPECT_EQ(piclo2.length, 2); | |
| EXPECT_EQ(piclo2.value, 0x4U); | |
| const Relocation& picloa1 = text.relocations[8]; | |
| EXPECT_EQ(picloa1.offset, Hex32(0x14)); | |
| EXPECT_EQ(picloa1.scattered, true); | |
| EXPECT_EQ(picloa1.type, PPC_RELOC_LO14_SECTDIFF); | |
| EXPECT_EQ(picloa1.length, 2); | |
| EXPECT_EQ(picloa1.value, 0x28U); | |
| const Relocation& picloa2 = text.relocations[9]; | |
| EXPECT_EQ(picloa2.offset, Hex32(0x0)); | |
| EXPECT_EQ(picloa2.scattered, true); | |
| EXPECT_EQ(picloa2.type, PPC_RELOC_PAIR); | |
| EXPECT_EQ(picloa2.length, 2); | |
| EXPECT_EQ(picloa2.value, 0x4U); | |
| const Relocation& abshi1 = text.relocations[10]; | |
| EXPECT_EQ(abshi1.offset, Hex32(0x18)); | |
| EXPECT_EQ(abshi1.scattered, false); | |
| EXPECT_EQ(abshi1.type, PPC_RELOC_HI16); | |
| EXPECT_EQ(abshi1.length, 2); | |
| EXPECT_EQ(abshi1.symbol, 1U); | |
| const Relocation& abshi2 = text.relocations[11]; | |
| EXPECT_EQ(abshi2.offset, Hex32(0x28)); | |
| EXPECT_EQ(abshi2.scattered, false); | |
| EXPECT_EQ(abshi2.type, PPC_RELOC_PAIR); | |
| EXPECT_EQ(abshi2.length, 2); | |
| EXPECT_EQ(abshi2.symbol, 0U); | |
| const Relocation& absha1 = text.relocations[12]; | |
| EXPECT_EQ(absha1.offset, Hex32(0x1C)); | |
| EXPECT_EQ(absha1.scattered, false); | |
| EXPECT_EQ(absha1.type, PPC_RELOC_HA16); | |
| EXPECT_EQ(absha1.length, 2); | |
| EXPECT_EQ(absha1.symbol, 1U); | |
| const Relocation& absha2 = text.relocations[13]; | |
| EXPECT_EQ(absha2.offset, Hex32(0x28)); | |
| EXPECT_EQ(absha2.scattered, false); | |
| EXPECT_EQ(absha2.type, PPC_RELOC_PAIR); | |
| EXPECT_EQ(absha2.length, 2); | |
| EXPECT_EQ(absha2.symbol, 0U); | |
| const Relocation& abslo1 = text.relocations[14]; | |
| EXPECT_EQ(abslo1.offset, Hex32(0x20)); | |
| EXPECT_EQ(abslo1.scattered, false); | |
| EXPECT_EQ(abslo1.type, PPC_RELOC_LO16); | |
| EXPECT_EQ(abslo1.length, 2); | |
| EXPECT_EQ(abslo1.symbol, 1U); | |
| const Relocation& abslo2 = text.relocations[15]; | |
| EXPECT_EQ(abslo2.offset, Hex32(0x00)); | |
| EXPECT_EQ(abslo2.scattered, false); | |
| EXPECT_EQ(abslo2.type, PPC_RELOC_PAIR); | |
| EXPECT_EQ(abslo2.length, 2); | |
| EXPECT_EQ(abslo2.symbol, 0U); | |
| const Relocation& absloa1 = text.relocations[16]; | |
| EXPECT_EQ(absloa1.offset, Hex32(0x24)); | |
| EXPECT_EQ(absloa1.scattered, false); | |
| EXPECT_EQ(absloa1.type, PPC_RELOC_LO14); | |
| EXPECT_EQ(absloa1.length, 2); | |
| EXPECT_EQ(absloa1.symbol, 1U); | |
| const Relocation& absloa2 = text.relocations[17]; | |
| EXPECT_EQ(absloa2.offset, Hex32(0x00)); | |
| EXPECT_EQ(absloa2.scattered, false); | |
| EXPECT_EQ(absloa2.type, PPC_RELOC_PAIR); | |
| EXPECT_EQ(absloa2.length, 2); | |
| EXPECT_EQ(absloa2.symbol, 0U); | |
| bufferOwner.reset(nullptr); | |
| std::error_code ec = llvm::sys::fs::remove(Twine(tmpFl)); | |
| EXPECT_FALSE(ec); | |
| } |