| //===- ELFDumper.cpp - ELF-specific dumper --------------------------------===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| /// |
| /// \file |
| /// This file implements the ELF-specific dumper for llvm-readobj. |
| /// |
| //===----------------------------------------------------------------------===// |
| |
| #include "ARMEHABIPrinter.h" |
| #include "DwarfCFIEHPrinter.h" |
| #include "Error.h" |
| #include "ObjDumper.h" |
| #include "StackMapPrinter.h" |
| #include "llvm-readobj.h" |
| #include "llvm/ADT/ArrayRef.h" |
| #include "llvm/ADT/DenseMap.h" |
| #include "llvm/ADT/DenseSet.h" |
| #include "llvm/ADT/Optional.h" |
| #include "llvm/ADT/PointerIntPair.h" |
| #include "llvm/ADT/STLExtras.h" |
| #include "llvm/ADT/SmallString.h" |
| #include "llvm/ADT/SmallVector.h" |
| #include "llvm/ADT/StringExtras.h" |
| #include "llvm/ADT/StringRef.h" |
| #include "llvm/ADT/Twine.h" |
| #include "llvm/BinaryFormat/AMDGPUMetadataVerifier.h" |
| #include "llvm/BinaryFormat/ELF.h" |
| #include "llvm/Demangle/Demangle.h" |
| #include "llvm/Object/ELF.h" |
| #include "llvm/Object/ELFObjectFile.h" |
| #include "llvm/Object/ELFTypes.h" |
| #include "llvm/Object/Error.h" |
| #include "llvm/Object/ObjectFile.h" |
| #include "llvm/Object/StackMapParser.h" |
| #include "llvm/Support/AMDGPUMetadata.h" |
| #include "llvm/Support/ARMAttributeParser.h" |
| #include "llvm/Support/ARMBuildAttributes.h" |
| #include "llvm/Support/Casting.h" |
| #include "llvm/Support/Compiler.h" |
| #include "llvm/Support/Endian.h" |
| #include "llvm/Support/ErrorHandling.h" |
| #include "llvm/Support/Format.h" |
| #include "llvm/Support/FormatVariadic.h" |
| #include "llvm/Support/FormattedStream.h" |
| #include "llvm/Support/LEB128.h" |
| #include "llvm/Support/MathExtras.h" |
| #include "llvm/Support/MipsABIFlags.h" |
| #include "llvm/Support/ScopedPrinter.h" |
| #include "llvm/Support/raw_ostream.h" |
| #include <algorithm> |
| #include <cinttypes> |
| #include <cstddef> |
| #include <cstdint> |
| #include <cstdlib> |
| #include <iterator> |
| #include <memory> |
| #include <string> |
| #include <system_error> |
| #include <vector> |
| |
| using namespace llvm; |
| using namespace llvm::object; |
| using namespace ELF; |
| |
| #define LLVM_READOBJ_ENUM_CASE(ns, enum) \ |
| case ns::enum: return #enum; |
| |
| #define ENUM_ENT(enum, altName) \ |
| { #enum, altName, ELF::enum } |
| |
| #define ENUM_ENT_1(enum) \ |
| { #enum, #enum, ELF::enum } |
| |
| #define LLVM_READOBJ_PHDR_ENUM(ns, enum) \ |
| case ns::enum: \ |
| return std::string(#enum).substr(3); |
| |
| #define TYPEDEF_ELF_TYPES(ELFT) \ |
| using ELFO = ELFFile<ELFT>; \ |
| using Elf_Addr = typename ELFT::Addr; \ |
| using Elf_Shdr = typename ELFT::Shdr; \ |
| using Elf_Sym = typename ELFT::Sym; \ |
| using Elf_Dyn = typename ELFT::Dyn; \ |
| using Elf_Dyn_Range = typename ELFT::DynRange; \ |
| using Elf_Rel = typename ELFT::Rel; \ |
| using Elf_Rela = typename ELFT::Rela; \ |
| using Elf_Relr = typename ELFT::Relr; \ |
| using Elf_Rel_Range = typename ELFT::RelRange; \ |
| using Elf_Rela_Range = typename ELFT::RelaRange; \ |
| using Elf_Relr_Range = typename ELFT::RelrRange; \ |
| using Elf_Phdr = typename ELFT::Phdr; \ |
| using Elf_Half = typename ELFT::Half; \ |
| using Elf_Ehdr = typename ELFT::Ehdr; \ |
| using Elf_Word = typename ELFT::Word; \ |
| using Elf_Hash = typename ELFT::Hash; \ |
| using Elf_GnuHash = typename ELFT::GnuHash; \ |
| using Elf_Note = typename ELFT::Note; \ |
| using Elf_Sym_Range = typename ELFT::SymRange; \ |
| using Elf_Versym = typename ELFT::Versym; \ |
| using Elf_Verneed = typename ELFT::Verneed; \ |
| using Elf_Vernaux = typename ELFT::Vernaux; \ |
| using Elf_Verdef = typename ELFT::Verdef; \ |
| using Elf_Verdaux = typename ELFT::Verdaux; \ |
| using Elf_CGProfile = typename ELFT::CGProfile; \ |
| using uintX_t = typename ELFT::uint; |
| |
| namespace { |
| |
| template <class ELFT> class DumpStyle; |
| |
| /// Represents a contiguous uniform range in the file. We cannot just create a |
| /// range directly because when creating one of these from the .dynamic table |
| /// the size, entity size and virtual address are different entries in arbitrary |
| /// order (DT_REL, DT_RELSZ, DT_RELENT for example). |
| struct DynRegionInfo { |
| DynRegionInfo() = default; |
| DynRegionInfo(const void *A, uint64_t S, uint64_t ES) |
| : Addr(A), Size(S), EntSize(ES) {} |
| |
| /// Address in current address space. |
| const void *Addr = nullptr; |
| /// Size in bytes of the region. |
| uint64_t Size = 0; |
| /// Size of each entity in the region. |
| uint64_t EntSize = 0; |
| |
| template <typename Type> ArrayRef<Type> getAsArrayRef() const { |
| const Type *Start = reinterpret_cast<const Type *>(Addr); |
| if (!Start) |
| return {Start, Start}; |
| if (EntSize != sizeof(Type) || Size % EntSize) |
| reportError("Invalid entity size"); |
| return {Start, Start + (Size / EntSize)}; |
| } |
| }; |
| |
| template <typename ELFT> |
| class ELFDumper : public ObjDumper { |
| public: |
| ELFDumper(const object::ELFObjectFile<ELFT> *ObjF, ScopedPrinter &Writer); |
| |
| void printFileHeaders() override; |
| void printSectionHeaders() override; |
| void printRelocations() override; |
| void printDynamicRelocations() override; |
| void printSymbols(bool PrintSymbols, bool PrintDynamicSymbols) override; |
| void printHashSymbols() override; |
| void printUnwindInfo() override; |
| |
| void printDynamicTable() override; |
| void printNeededLibraries() override; |
| void printProgramHeaders(bool PrintProgramHeaders, |
| cl::boolOrDefault PrintSectionMapping) override; |
| void printHashTable() override; |
| void printGnuHashTable() override; |
| void printLoadName() override; |
| void printVersionInfo() override; |
| void printGroupSections() override; |
| |
| void printAttributes() override; |
| void printMipsPLTGOT() override; |
| void printMipsABIFlags() override; |
| void printMipsReginfo() override; |
| void printMipsOptions() override; |
| |
| void printStackMap() const override; |
| |
| void printHashHistogram() override; |
| |
| void printCGProfile() override; |
| void printAddrsig() override; |
| |
| void printNotes() override; |
| |
| void printELFLinkerOptions() override; |
| |
| private: |
| std::unique_ptr<DumpStyle<ELFT>> ELFDumperStyle; |
| |
| TYPEDEF_ELF_TYPES(ELFT) |
| |
| DynRegionInfo checkDRI(DynRegionInfo DRI) { |
| const ELFFile<ELFT> *Obj = ObjF->getELFFile(); |
| if (DRI.Addr < Obj->base() || |
| reinterpret_cast<const uint8_t *>(DRI.Addr) + DRI.Size > |
| Obj->base() + Obj->getBufSize()) |
| error(llvm::object::object_error::parse_failed); |
| return DRI; |
| } |
| |
| DynRegionInfo createDRIFrom(const Elf_Phdr *P, uintX_t EntSize) { |
| return checkDRI({ObjF->getELFFile()->base() + P->p_offset, P->p_filesz, EntSize}); |
| } |
| |
| DynRegionInfo createDRIFrom(const Elf_Shdr *S) { |
| return checkDRI({ObjF->getELFFile()->base() + S->sh_offset, S->sh_size, S->sh_entsize}); |
| } |
| |
| void parseDynamicTable(ArrayRef<const Elf_Phdr *> LoadSegments); |
| |
| void printValue(uint64_t Type, uint64_t Value); |
| |
| StringRef getDynamicString(uint64_t Offset) const; |
| StringRef getSymbolVersion(StringRef StrTab, const Elf_Sym *symb, |
| bool &IsDefault) const; |
| void LoadVersionMap() const; |
| void LoadVersionNeeds(const Elf_Shdr *ec) const; |
| void LoadVersionDefs(const Elf_Shdr *sec) const; |
| |
| const object::ELFObjectFile<ELFT> *ObjF; |
| DynRegionInfo DynRelRegion; |
| DynRegionInfo DynRelaRegion; |
| DynRegionInfo DynRelrRegion; |
| DynRegionInfo DynPLTRelRegion; |
| DynRegionInfo DynSymRegion; |
| DynRegionInfo DynamicTable; |
| StringRef DynamicStringTable; |
| StringRef SOName; |
| const Elf_Hash *HashTable = nullptr; |
| const Elf_GnuHash *GnuHashTable = nullptr; |
| const Elf_Shdr *DotSymtabSec = nullptr; |
| const Elf_Shdr *DotCGProfileSec = nullptr; |
| const Elf_Shdr *DotAddrsigSec = nullptr; |
| StringRef DynSymtabName; |
| ArrayRef<Elf_Word> ShndxTable; |
| |
| const Elf_Shdr *SymbolVersionSection = nullptr; // .gnu.version |
| const Elf_Shdr *SymbolVersionNeedSection = nullptr; // .gnu.version_r |
| const Elf_Shdr *SymbolVersionDefSection = nullptr; // .gnu.version_d |
| |
| // Records for each version index the corresponding Verdef or Vernaux entry. |
| // This is filled the first time LoadVersionMap() is called. |
| class VersionMapEntry : public PointerIntPair<const void *, 1> { |
| public: |
| // If the integer is 0, this is an Elf_Verdef*. |
| // If the integer is 1, this is an Elf_Vernaux*. |
| VersionMapEntry() : PointerIntPair<const void *, 1>(nullptr, 0) {} |
| VersionMapEntry(const Elf_Verdef *verdef) |
| : PointerIntPair<const void *, 1>(verdef, 0) {} |
| VersionMapEntry(const Elf_Vernaux *vernaux) |
| : PointerIntPair<const void *, 1>(vernaux, 1) {} |
| |
| bool isNull() const { return getPointer() == nullptr; } |
| bool isVerdef() const { return !isNull() && getInt() == 0; } |
| bool isVernaux() const { return !isNull() && getInt() == 1; } |
| const Elf_Verdef *getVerdef() const { |
| return isVerdef() ? (const Elf_Verdef *)getPointer() : nullptr; |
| } |
| const Elf_Vernaux *getVernaux() const { |
| return isVernaux() ? (const Elf_Vernaux *)getPointer() : nullptr; |
| } |
| }; |
| mutable SmallVector<VersionMapEntry, 16> VersionMap; |
| |
| public: |
| Elf_Dyn_Range dynamic_table() const { |
| return DynamicTable.getAsArrayRef<Elf_Dyn>(); |
| } |
| |
| Elf_Sym_Range dynamic_symbols() const { |
| return DynSymRegion.getAsArrayRef<Elf_Sym>(); |
| } |
| |
| Elf_Rel_Range dyn_rels() const; |
| Elf_Rela_Range dyn_relas() const; |
| Elf_Relr_Range dyn_relrs() const; |
| std::string getFullSymbolName(const Elf_Sym *Symbol, StringRef StrTable, |
| bool IsDynamic) const; |
| void getSectionNameIndex(const Elf_Sym *Symbol, const Elf_Sym *FirstSym, |
| StringRef &SectionName, |
| unsigned &SectionIndex) const; |
| std::string getStaticSymbolName(uint32_t Index) const; |
| StringRef getSymbolVersionByIndex(StringRef StrTab, |
| uint32_t VersionSymbolIndex, |
| bool &IsDefault) const; |
| |
| void printSymbolsHelper(bool IsDynamic) const; |
| const Elf_Shdr *getDotSymtabSec() const { return DotSymtabSec; } |
| const Elf_Shdr *getDotCGProfileSec() const { return DotCGProfileSec; } |
| const Elf_Shdr *getDotAddrsigSec() const { return DotAddrsigSec; } |
| ArrayRef<Elf_Word> getShndxTable() const { return ShndxTable; } |
| StringRef getDynamicStringTable() const { return DynamicStringTable; } |
| const DynRegionInfo &getDynRelRegion() const { return DynRelRegion; } |
| const DynRegionInfo &getDynRelaRegion() const { return DynRelaRegion; } |
| const DynRegionInfo &getDynRelrRegion() const { return DynRelrRegion; } |
| const DynRegionInfo &getDynPLTRelRegion() const { return DynPLTRelRegion; } |
| const Elf_Hash *getHashTable() const { return HashTable; } |
| const Elf_GnuHash *getGnuHashTable() const { return GnuHashTable; } |
| }; |
| |
| template <class ELFT> |
| void ELFDumper<ELFT>::printSymbolsHelper(bool IsDynamic) const { |
| StringRef StrTable, SymtabName; |
| size_t Entries = 0; |
| Elf_Sym_Range Syms(nullptr, nullptr); |
| const ELFFile<ELFT> *Obj = ObjF->getELFFile(); |
| if (IsDynamic) { |
| StrTable = DynamicStringTable; |
| Syms = dynamic_symbols(); |
| SymtabName = DynSymtabName; |
| if (DynSymRegion.Addr) |
| Entries = DynSymRegion.Size / DynSymRegion.EntSize; |
| } else { |
| if (!DotSymtabSec) |
| return; |
| StrTable = unwrapOrError(Obj->getStringTableForSymtab(*DotSymtabSec)); |
| Syms = unwrapOrError(Obj->symbols(DotSymtabSec)); |
| SymtabName = unwrapOrError(Obj->getSectionName(DotSymtabSec)); |
| Entries = DotSymtabSec->getEntityCount(); |
| } |
| if (Syms.begin() == Syms.end()) |
| return; |
| ELFDumperStyle->printSymtabMessage(Obj, SymtabName, Entries); |
| for (const auto &Sym : Syms) |
| ELFDumperStyle->printSymbol(Obj, &Sym, Syms.begin(), StrTable, IsDynamic); |
| } |
| |
| template <class ELFT> class MipsGOTParser; |
| |
| template <typename ELFT> class DumpStyle { |
| public: |
| using Elf_Shdr = typename ELFT::Shdr; |
| using Elf_Sym = typename ELFT::Sym; |
| |
| DumpStyle(ELFDumper<ELFT> *Dumper) : Dumper(Dumper) {} |
| virtual ~DumpStyle() = default; |
| |
| virtual void printFileHeaders(const ELFFile<ELFT> *Obj) = 0; |
| virtual void printGroupSections(const ELFFile<ELFT> *Obj) = 0; |
| virtual void printRelocations(const ELFFile<ELFT> *Obj) = 0; |
| virtual void printSectionHeaders(const ELFFile<ELFT> *Obj) = 0; |
| virtual void printSymbols(const ELFFile<ELFT> *Obj, bool PrintSymbols, |
| bool PrintDynamicSymbols) = 0; |
| virtual void printHashSymbols(const ELFFile<ELFT> *Obj) {} |
| virtual void printDynamicRelocations(const ELFFile<ELFT> *Obj) = 0; |
| virtual void printSymtabMessage(const ELFFile<ELFT> *Obj, StringRef Name, |
| size_t Offset) {} |
| virtual void printSymbol(const ELFFile<ELFT> *Obj, const Elf_Sym *Symbol, |
| const Elf_Sym *FirstSym, StringRef StrTable, |
| bool IsDynamic) = 0; |
| virtual void printProgramHeaders(const ELFFile<ELFT> *Obj, |
| bool PrintProgramHeaders, |
| cl::boolOrDefault PrintSectionMapping) = 0; |
| virtual void printVersionSymbolSection(const ELFFile<ELFT> *Obj, |
| const Elf_Shdr *Sec) = 0; |
| virtual void printVersionDefinitionSection(const ELFFile<ELFT> *Obj, |
| const Elf_Shdr *Sec) = 0; |
| virtual void printVersionDependencySection(const ELFFile<ELFT> *Obj, |
| const Elf_Shdr *Sec) = 0; |
| virtual void printHashHistogram(const ELFFile<ELFT> *Obj) = 0; |
| virtual void printCGProfile(const ELFFile<ELFT> *Obj) = 0; |
| virtual void printAddrsig(const ELFFile<ELFT> *Obj) = 0; |
| virtual void printNotes(const ELFFile<ELFT> *Obj) = 0; |
| virtual void printELFLinkerOptions(const ELFFile<ELFT> *Obj) = 0; |
| virtual void printMipsGOT(const MipsGOTParser<ELFT> &Parser) = 0; |
| virtual void printMipsPLT(const MipsGOTParser<ELFT> &Parser) = 0; |
| const ELFDumper<ELFT> *dumper() const { return Dumper; } |
| |
| private: |
| const ELFDumper<ELFT> *Dumper; |
| }; |
| |
| template <typename ELFT> class GNUStyle : public DumpStyle<ELFT> { |
| formatted_raw_ostream OS; |
| |
| public: |
| TYPEDEF_ELF_TYPES(ELFT) |
| |
| GNUStyle(ScopedPrinter &W, ELFDumper<ELFT> *Dumper) |
| : DumpStyle<ELFT>(Dumper), OS(W.getOStream()) {} |
| |
| void printFileHeaders(const ELFO *Obj) override; |
| void printGroupSections(const ELFFile<ELFT> *Obj) override; |
| void printRelocations(const ELFO *Obj) override; |
| void printSectionHeaders(const ELFO *Obj) override; |
| void printSymbols(const ELFO *Obj, bool PrintSymbols, |
| bool PrintDynamicSymbols) override; |
| void printHashSymbols(const ELFO *Obj) override; |
| void printDynamicRelocations(const ELFO *Obj) override; |
| void printSymtabMessage(const ELFO *Obj, StringRef Name, |
| size_t Offset) override; |
| void printProgramHeaders(const ELFO *Obj, bool PrintProgramHeaders, |
| cl::boolOrDefault PrintSectionMapping) override; |
| void printVersionSymbolSection(const ELFFile<ELFT> *Obj, |
| const Elf_Shdr *Sec) override; |
| void printVersionDefinitionSection(const ELFFile<ELFT> *Obj, |
| const Elf_Shdr *Sec) override; |
| void printVersionDependencySection(const ELFFile<ELFT> *Obj, |
| const Elf_Shdr *Sec) override; |
| void printHashHistogram(const ELFFile<ELFT> *Obj) override; |
| void printCGProfile(const ELFFile<ELFT> *Obj) override; |
| void printAddrsig(const ELFFile<ELFT> *Obj) override; |
| void printNotes(const ELFFile<ELFT> *Obj) override; |
| void printELFLinkerOptions(const ELFFile<ELFT> *Obj) override; |
| void printMipsGOT(const MipsGOTParser<ELFT> &Parser) override; |
| void printMipsPLT(const MipsGOTParser<ELFT> &Parser) override; |
| |
| private: |
| struct Field { |
| std::string Str; |
| unsigned Column; |
| |
| Field(StringRef S, unsigned Col) : Str(S), Column(Col) {} |
| Field(unsigned Col) : Column(Col) {} |
| }; |
| |
| template <typename T, typename TEnum> |
| std::string printEnum(T Value, ArrayRef<EnumEntry<TEnum>> EnumValues) { |
| for (const auto &EnumItem : EnumValues) |
| if (EnumItem.Value == Value) |
| return EnumItem.AltName; |
| return to_hexString(Value, false); |
| } |
| |
| template <typename T, typename TEnum> |
| std::string printFlags(T Value, ArrayRef<EnumEntry<TEnum>> EnumValues, |
| TEnum EnumMask1 = {}, TEnum EnumMask2 = {}, |
| TEnum EnumMask3 = {}) { |
| std::string Str; |
| for (const auto &Flag : EnumValues) { |
| if (Flag.Value == 0) |
| continue; |
| |
| TEnum EnumMask{}; |
| if (Flag.Value & EnumMask1) |
| EnumMask = EnumMask1; |
| else if (Flag.Value & EnumMask2) |
| EnumMask = EnumMask2; |
| else if (Flag.Value & EnumMask3) |
| EnumMask = EnumMask3; |
| bool IsEnum = (Flag.Value & EnumMask) != 0; |
| if ((!IsEnum && (Value & Flag.Value) == Flag.Value) || |
| (IsEnum && (Value & EnumMask) == Flag.Value)) { |
| if (!Str.empty()) |
| Str += ", "; |
| Str += Flag.AltName; |
| } |
| } |
| return Str; |
| } |
| |
| formatted_raw_ostream &printField(struct Field F) { |
| if (F.Column != 0) |
| OS.PadToColumn(F.Column); |
| OS << F.Str; |
| OS.flush(); |
| return OS; |
| } |
| void printHashedSymbol(const ELFO *Obj, const Elf_Sym *FirstSym, uint32_t Sym, |
| StringRef StrTable, uint32_t Bucket); |
| void printRelocHeader(unsigned SType); |
| void printRelocation(const ELFO *Obj, const Elf_Shdr *SymTab, |
| const Elf_Rela &R, bool IsRela); |
| void printRelocation(const ELFO *Obj, const Elf_Sym *Sym, |
| StringRef SymbolName, const Elf_Rela &R, bool IsRela); |
| void printSymbol(const ELFO *Obj, const Elf_Sym *Symbol, const Elf_Sym *First, |
| StringRef StrTable, bool IsDynamic) override; |
| std::string getSymbolSectionNdx(const ELFO *Obj, const Elf_Sym *Symbol, |
| const Elf_Sym *FirstSym); |
| void printDynamicRelocation(const ELFO *Obj, Elf_Rela R, bool IsRela); |
| bool checkTLSSections(const Elf_Phdr &Phdr, const Elf_Shdr &Sec); |
| bool checkoffsets(const Elf_Phdr &Phdr, const Elf_Shdr &Sec); |
| bool checkVMA(const Elf_Phdr &Phdr, const Elf_Shdr &Sec); |
| bool checkPTDynamic(const Elf_Phdr &Phdr, const Elf_Shdr &Sec); |
| void printProgramHeaders(const ELFO *Obj); |
| void printSectionMapping(const ELFO *Obj); |
| }; |
| |
| template <typename ELFT> class LLVMStyle : public DumpStyle<ELFT> { |
| public: |
| TYPEDEF_ELF_TYPES(ELFT) |
| |
| LLVMStyle(ScopedPrinter &W, ELFDumper<ELFT> *Dumper) |
| : DumpStyle<ELFT>(Dumper), W(W) {} |
| |
| void printFileHeaders(const ELFO *Obj) override; |
| void printGroupSections(const ELFFile<ELFT> *Obj) override; |
| void printRelocations(const ELFO *Obj) override; |
| void printRelocations(const Elf_Shdr *Sec, const ELFO *Obj); |
| void printSectionHeaders(const ELFO *Obj) override; |
| void printSymbols(const ELFO *Obj, bool PrintSymbols, |
| bool PrintDynamicSymbols) override; |
| void printDynamicRelocations(const ELFO *Obj) override; |
| void printProgramHeaders(const ELFO *Obj, bool PrintProgramHeaders, |
| cl::boolOrDefault PrintSectionMapping) override; |
| void printVersionSymbolSection(const ELFFile<ELFT> *Obj, |
| const Elf_Shdr *Sec) override; |
| void printVersionDefinitionSection(const ELFFile<ELFT> *Obj, |
| const Elf_Shdr *Sec) override; |
| void printVersionDependencySection(const ELFFile<ELFT> *Obj, |
| const Elf_Shdr *Sec) override; |
| void printHashHistogram(const ELFFile<ELFT> *Obj) override; |
| void printCGProfile(const ELFFile<ELFT> *Obj) override; |
| void printAddrsig(const ELFFile<ELFT> *Obj) override; |
| void printNotes(const ELFFile<ELFT> *Obj) override; |
| void printELFLinkerOptions(const ELFFile<ELFT> *Obj) override; |
| void printMipsGOT(const MipsGOTParser<ELFT> &Parser) override; |
| void printMipsPLT(const MipsGOTParser<ELFT> &Parser) override; |
| |
| private: |
| void printRelocation(const ELFO *Obj, Elf_Rela Rel, const Elf_Shdr *SymTab); |
| void printDynamicRelocation(const ELFO *Obj, Elf_Rela Rel); |
| void printSymbols(const ELFO *Obj); |
| void printDynamicSymbols(const ELFO *Obj); |
| void printSymbol(const ELFO *Obj, const Elf_Sym *Symbol, const Elf_Sym *First, |
| StringRef StrTable, bool IsDynamic) override; |
| void printProgramHeaders(const ELFO *Obj); |
| void printSectionMapping(const ELFO *Obj) {} |
| |
| ScopedPrinter &W; |
| }; |
| |
| } // end anonymous namespace |
| |
| namespace llvm { |
| |
| template <class ELFT> |
| static std::error_code createELFDumper(const ELFObjectFile<ELFT> *Obj, |
| ScopedPrinter &Writer, |
| std::unique_ptr<ObjDumper> &Result) { |
| Result.reset(new ELFDumper<ELFT>(Obj, Writer)); |
| return readobj_error::success; |
| } |
| |
| std::error_code createELFDumper(const object::ObjectFile *Obj, |
| ScopedPrinter &Writer, |
| std::unique_ptr<ObjDumper> &Result) { |
| // Little-endian 32-bit |
| if (const ELF32LEObjectFile *ELFObj = dyn_cast<ELF32LEObjectFile>(Obj)) |
| return createELFDumper(ELFObj, Writer, Result); |
| |
| // Big-endian 32-bit |
| if (const ELF32BEObjectFile *ELFObj = dyn_cast<ELF32BEObjectFile>(Obj)) |
| return createELFDumper(ELFObj, Writer, Result); |
| |
| // Little-endian 64-bit |
| if (const ELF64LEObjectFile *ELFObj = dyn_cast<ELF64LEObjectFile>(Obj)) |
| return createELFDumper(ELFObj, Writer, Result); |
| |
| // Big-endian 64-bit |
| if (const ELF64BEObjectFile *ELFObj = dyn_cast<ELF64BEObjectFile>(Obj)) |
| return createELFDumper(ELFObj, Writer, Result); |
| |
| return readobj_error::unsupported_obj_file_format; |
| } |
| |
| } // end namespace llvm |
| |
| // Iterate through the versions needed section, and place each Elf_Vernaux |
| // in the VersionMap according to its index. |
| template <class ELFT> |
| void ELFDumper<ELFT>::LoadVersionNeeds(const Elf_Shdr *Sec) const { |
| unsigned VerneedSize = Sec->sh_size; // Size of section in bytes |
| unsigned VerneedEntries = Sec->sh_info; // Number of Verneed entries |
| const uint8_t *VerneedStart = reinterpret_cast<const uint8_t *>( |
| ObjF->getELFFile()->base() + Sec->sh_offset); |
| const uint8_t *VerneedEnd = VerneedStart + VerneedSize; |
| // The first Verneed entry is at the start of the section. |
| const uint8_t *VerneedBuf = VerneedStart; |
| for (unsigned VerneedIndex = 0; VerneedIndex < VerneedEntries; |
| ++VerneedIndex) { |
| if (VerneedBuf + sizeof(Elf_Verneed) > VerneedEnd) |
| report_fatal_error("Section ended unexpectedly while scanning " |
| "version needed records."); |
| const Elf_Verneed *Verneed = |
| reinterpret_cast<const Elf_Verneed *>(VerneedBuf); |
| if (Verneed->vn_version != ELF::VER_NEED_CURRENT) |
| report_fatal_error("Unexpected verneed version"); |
| // Iterate through the Vernaux entries |
| const uint8_t *VernauxBuf = VerneedBuf + Verneed->vn_aux; |
| for (unsigned VernauxIndex = 0; VernauxIndex < Verneed->vn_cnt; |
| ++VernauxIndex) { |
| if (VernauxBuf + sizeof(Elf_Vernaux) > VerneedEnd) |
| report_fatal_error("Section ended unexpected while scanning auxiliary " |
| "version needed records."); |
| const Elf_Vernaux *Vernaux = |
| reinterpret_cast<const Elf_Vernaux *>(VernauxBuf); |
| size_t Index = Vernaux->vna_other & ELF::VERSYM_VERSION; |
| if (Index >= VersionMap.size()) |
| VersionMap.resize(Index + 1); |
| VersionMap[Index] = VersionMapEntry(Vernaux); |
| VernauxBuf += Vernaux->vna_next; |
| } |
| VerneedBuf += Verneed->vn_next; |
| } |
| } |
| |
| // Iterate through the version definitions, and place each Elf_Verdef |
| // in the VersionMap according to its index. |
| template <class ELFT> |
| void ELFDumper<ELFT>::LoadVersionDefs(const Elf_Shdr *Sec) const { |
| unsigned VerdefSize = Sec->sh_size; // Size of section in bytes |
| unsigned VerdefEntries = Sec->sh_info; // Number of Verdef entries |
| const uint8_t *VerdefStart = reinterpret_cast<const uint8_t *>( |
| ObjF->getELFFile()->base() + Sec->sh_offset); |
| const uint8_t *VerdefEnd = VerdefStart + VerdefSize; |
| // The first Verdef entry is at the start of the section. |
| const uint8_t *VerdefBuf = VerdefStart; |
| for (unsigned VerdefIndex = 0; VerdefIndex < VerdefEntries; ++VerdefIndex) { |
| if (VerdefBuf + sizeof(Elf_Verdef) > VerdefEnd) |
| report_fatal_error("Section ended unexpectedly while scanning " |
| "version definitions."); |
| const Elf_Verdef *Verdef = reinterpret_cast<const Elf_Verdef *>(VerdefBuf); |
| if (Verdef->vd_version != ELF::VER_DEF_CURRENT) |
| report_fatal_error("Unexpected verdef version"); |
| size_t Index = Verdef->vd_ndx & ELF::VERSYM_VERSION; |
| if (Index >= VersionMap.size()) |
| VersionMap.resize(Index + 1); |
| VersionMap[Index] = VersionMapEntry(Verdef); |
| VerdefBuf += Verdef->vd_next; |
| } |
| } |
| |
| template <class ELFT> void ELFDumper<ELFT>::LoadVersionMap() const { |
| // If there is no dynamic symtab or version table, there is nothing to do. |
| if (!DynSymRegion.Addr || !SymbolVersionSection) |
| return; |
| |
| // Has the VersionMap already been loaded? |
| if (!VersionMap.empty()) |
| return; |
| |
| // The first two version indexes are reserved. |
| // Index 0 is LOCAL, index 1 is GLOBAL. |
| VersionMap.push_back(VersionMapEntry()); |
| VersionMap.push_back(VersionMapEntry()); |
| |
| if (SymbolVersionDefSection) |
| LoadVersionDefs(SymbolVersionDefSection); |
| |
| if (SymbolVersionNeedSection) |
| LoadVersionNeeds(SymbolVersionNeedSection); |
| } |
| |
| template <typename ELFT> |
| StringRef ELFDumper<ELFT>::getSymbolVersion(StringRef StrTab, |
| const Elf_Sym *Sym, |
| bool &IsDefault) const { |
| // This is a dynamic symbol. Look in the GNU symbol version table. |
| if (!SymbolVersionSection) { |
| // No version table. |
| IsDefault = false; |
| return ""; |
| } |
| |
| // Determine the position in the symbol table of this entry. |
| size_t EntryIndex = (reinterpret_cast<uintptr_t>(Sym) - |
| reinterpret_cast<uintptr_t>(DynSymRegion.Addr)) / |
| sizeof(Elf_Sym); |
| |
| // Get the corresponding version index entry. |
| const Elf_Versym *Versym = |
| unwrapOrError(ObjF->getELFFile()->template getEntry<Elf_Versym>( |
| SymbolVersionSection, EntryIndex)); |
| return this->getSymbolVersionByIndex(StrTab, Versym->vs_index, IsDefault); |
| } |
| |
| static std::string maybeDemangle(StringRef Name) { |
| return opts::Demangle ? demangle(Name) : Name.str(); |
| } |
| |
| template <typename ELFT> |
| std::string ELFDumper<ELFT>::getStaticSymbolName(uint32_t Index) const { |
| const ELFFile<ELFT> *Obj = ObjF->getELFFile(); |
| StringRef StrTable = unwrapOrError(Obj->getStringTableForSymtab(*DotSymtabSec)); |
| Elf_Sym_Range Syms = unwrapOrError(Obj->symbols(DotSymtabSec)); |
| if (Index >= Syms.size()) |
| reportError("Invalid symbol index"); |
| const Elf_Sym *Sym = &Syms[Index]; |
| return maybeDemangle(unwrapOrError(Sym->getName(StrTable))); |
| } |
| |
| template <typename ELFT> |
| StringRef ELFDumper<ELFT>::getSymbolVersionByIndex( |
| StringRef StrTab, uint32_t SymbolVersionIndex, bool &IsDefault) const { |
| size_t VersionIndex = SymbolVersionIndex & VERSYM_VERSION; |
| |
| // Special markers for unversioned symbols. |
| if (VersionIndex == VER_NDX_LOCAL || |
| VersionIndex == VER_NDX_GLOBAL) { |
| IsDefault = false; |
| return ""; |
| } |
| |
| // Lookup this symbol in the version table. |
| LoadVersionMap(); |
| if (VersionIndex >= VersionMap.size() || VersionMap[VersionIndex].isNull()) |
| reportError("Invalid version entry"); |
| const VersionMapEntry &Entry = VersionMap[VersionIndex]; |
| |
| // Get the version name string. |
| size_t NameOffset; |
| if (Entry.isVerdef()) { |
| // The first Verdaux entry holds the name. |
| NameOffset = Entry.getVerdef()->getAux()->vda_name; |
| IsDefault = !(SymbolVersionIndex & VERSYM_HIDDEN); |
| } else { |
| NameOffset = Entry.getVernaux()->vna_name; |
| IsDefault = false; |
| } |
| if (NameOffset >= StrTab.size()) |
| reportError("Invalid string offset"); |
| return StrTab.data() + NameOffset; |
| } |
| |
| template <typename ELFT> |
| std::string ELFDumper<ELFT>::getFullSymbolName(const Elf_Sym *Symbol, |
| StringRef StrTable, |
| bool IsDynamic) const { |
| std::string SymbolName = |
| maybeDemangle(unwrapOrError(Symbol->getName(StrTable))); |
| |
| if (SymbolName.empty() && Symbol->getType() == ELF::STT_SECTION) { |
| unsigned SectionIndex; |
| StringRef SectionName; |
| Elf_Sym_Range Syms = |
| unwrapOrError(ObjF->getELFFile()->symbols(DotSymtabSec)); |
| getSectionNameIndex(Symbol, Syms.begin(), SectionName, SectionIndex); |
| return SectionName; |
| } |
| |
| if (!IsDynamic) |
| return SymbolName; |
| |
| bool IsDefault; |
| StringRef Version = getSymbolVersion(StrTable, &*Symbol, IsDefault); |
| if (!Version.empty()) { |
| SymbolName += (IsDefault ? "@@" : "@"); |
| SymbolName += Version; |
| } |
| return SymbolName; |
| } |
| |
| template <typename ELFT> |
| void ELFDumper<ELFT>::getSectionNameIndex(const Elf_Sym *Symbol, |
| const Elf_Sym *FirstSym, |
| StringRef &SectionName, |
| unsigned &SectionIndex) const { |
| SectionIndex = Symbol->st_shndx; |
| if (Symbol->isUndefined()) |
| SectionName = "Undefined"; |
| else if (Symbol->isProcessorSpecific()) |
| SectionName = "Processor Specific"; |
| else if (Symbol->isOSSpecific()) |
| SectionName = "Operating System Specific"; |
| else if (Symbol->isAbsolute()) |
| SectionName = "Absolute"; |
| else if (Symbol->isCommon()) |
| SectionName = "Common"; |
| else if (Symbol->isReserved() && SectionIndex != SHN_XINDEX) |
| SectionName = "Reserved"; |
| else { |
| if (SectionIndex == SHN_XINDEX) |
| SectionIndex = unwrapOrError(object::getExtendedSymbolTableIndex<ELFT>( |
| Symbol, FirstSym, ShndxTable)); |
| const ELFFile<ELFT> *Obj = ObjF->getELFFile(); |
| const typename ELFT::Shdr *Sec = |
| unwrapOrError(Obj->getSection(SectionIndex)); |
| SectionName = unwrapOrError(Obj->getSectionName(Sec)); |
| } |
| } |
| |
| template <class ELFO> |
| static const typename ELFO::Elf_Shdr * |
| findNotEmptySectionByAddress(const ELFO *Obj, uint64_t Addr) { |
| for (const auto &Shdr : unwrapOrError(Obj->sections())) |
| if (Shdr.sh_addr == Addr && Shdr.sh_size > 0) |
| return &Shdr; |
| return nullptr; |
| } |
| |
| template <class ELFO> |
| static const typename ELFO::Elf_Shdr *findSectionByName(const ELFO &Obj, |
| StringRef Name) { |
| for (const auto &Shdr : unwrapOrError(Obj.sections())) { |
| if (Name == unwrapOrError(Obj.getSectionName(&Shdr))) |
| return &Shdr; |
| } |
| return nullptr; |
| } |
| |
| static const EnumEntry<unsigned> ElfClass[] = { |
| {"None", "none", ELF::ELFCLASSNONE}, |
| {"32-bit", "ELF32", ELF::ELFCLASS32}, |
| {"64-bit", "ELF64", ELF::ELFCLASS64}, |
| }; |
| |
| static const EnumEntry<unsigned> ElfDataEncoding[] = { |
| {"None", "none", ELF::ELFDATANONE}, |
| {"LittleEndian", "2's complement, little endian", ELF::ELFDATA2LSB}, |
| {"BigEndian", "2's complement, big endian", ELF::ELFDATA2MSB}, |
| }; |
| |
| static const EnumEntry<unsigned> ElfObjectFileType[] = { |
| {"None", "NONE (none)", ELF::ET_NONE}, |
| {"Relocatable", "REL (Relocatable file)", ELF::ET_REL}, |
| {"Executable", "EXEC (Executable file)", ELF::ET_EXEC}, |
| {"SharedObject", "DYN (Shared object file)", ELF::ET_DYN}, |
| {"Core", "CORE (Core file)", ELF::ET_CORE}, |
| }; |
| |
| static const EnumEntry<unsigned> ElfOSABI[] = { |
| {"SystemV", "UNIX - System V", ELF::ELFOSABI_NONE}, |
| {"HPUX", "UNIX - HP-UX", ELF::ELFOSABI_HPUX}, |
| {"NetBSD", "UNIX - NetBSD", ELF::ELFOSABI_NETBSD}, |
| {"GNU/Linux", "UNIX - GNU", ELF::ELFOSABI_LINUX}, |
| {"GNU/Hurd", "GNU/Hurd", ELF::ELFOSABI_HURD}, |
| {"Solaris", "UNIX - Solaris", ELF::ELFOSABI_SOLARIS}, |
| {"AIX", "UNIX - AIX", ELF::ELFOSABI_AIX}, |
| {"IRIX", "UNIX - IRIX", ELF::ELFOSABI_IRIX}, |
| {"FreeBSD", "UNIX - FreeBSD", ELF::ELFOSABI_FREEBSD}, |
| {"TRU64", "UNIX - TRU64", ELF::ELFOSABI_TRU64}, |
| {"Modesto", "Novell - Modesto", ELF::ELFOSABI_MODESTO}, |
| {"OpenBSD", "UNIX - OpenBSD", ELF::ELFOSABI_OPENBSD}, |
| {"OpenVMS", "VMS - OpenVMS", ELF::ELFOSABI_OPENVMS}, |
| {"NSK", "HP - Non-Stop Kernel", ELF::ELFOSABI_NSK}, |
| {"AROS", "AROS", ELF::ELFOSABI_AROS}, |
| {"FenixOS", "FenixOS", ELF::ELFOSABI_FENIXOS}, |
| {"CloudABI", "CloudABI", ELF::ELFOSABI_CLOUDABI}, |
| {"Standalone", "Standalone App", ELF::ELFOSABI_STANDALONE} |
| }; |
| |
| static const EnumEntry<unsigned> SymVersionFlags[] = { |
| {"Base", "BASE", VER_FLG_BASE}, |
| {"Weak", "WEAK", VER_FLG_WEAK}, |
| {"Info", "INFO", VER_FLG_INFO}}; |
| |
| static const EnumEntry<unsigned> AMDGPUElfOSABI[] = { |
| {"AMDGPU_HSA", "AMDGPU - HSA", ELF::ELFOSABI_AMDGPU_HSA}, |
| {"AMDGPU_PAL", "AMDGPU - PAL", ELF::ELFOSABI_AMDGPU_PAL}, |
| {"AMDGPU_MESA3D", "AMDGPU - MESA3D", ELF::ELFOSABI_AMDGPU_MESA3D} |
| }; |
| |
| static const EnumEntry<unsigned> ARMElfOSABI[] = { |
| {"ARM", "ARM", ELF::ELFOSABI_ARM} |
| }; |
| |
| static const EnumEntry<unsigned> C6000ElfOSABI[] = { |
| {"C6000_ELFABI", "Bare-metal C6000", ELF::ELFOSABI_C6000_ELFABI}, |
| {"C6000_LINUX", "Linux C6000", ELF::ELFOSABI_C6000_LINUX} |
| }; |
| |
| static const EnumEntry<unsigned> ElfMachineType[] = { |
| ENUM_ENT(EM_NONE, "None"), |
| ENUM_ENT(EM_M32, "WE32100"), |
| ENUM_ENT(EM_SPARC, "Sparc"), |
| ENUM_ENT(EM_386, "Intel 80386"), |
| ENUM_ENT(EM_68K, "MC68000"), |
| ENUM_ENT(EM_88K, "MC88000"), |
| ENUM_ENT(EM_IAMCU, "EM_IAMCU"), |
| ENUM_ENT(EM_860, "Intel 80860"), |
| ENUM_ENT(EM_MIPS, "MIPS R3000"), |
| ENUM_ENT(EM_S370, "IBM System/370"), |
| ENUM_ENT(EM_MIPS_RS3_LE, "MIPS R3000 little-endian"), |
| ENUM_ENT(EM_PARISC, "HPPA"), |
| ENUM_ENT(EM_VPP500, "Fujitsu VPP500"), |
| ENUM_ENT(EM_SPARC32PLUS, "Sparc v8+"), |
| ENUM_ENT(EM_960, "Intel 80960"), |
| ENUM_ENT(EM_PPC, "PowerPC"), |
| ENUM_ENT(EM_PPC64, "PowerPC64"), |
| ENUM_ENT(EM_S390, "IBM S/390"), |
| ENUM_ENT(EM_SPU, "SPU"), |
| ENUM_ENT(EM_V800, "NEC V800 series"), |
| ENUM_ENT(EM_FR20, "Fujistsu FR20"), |
| ENUM_ENT(EM_RH32, "TRW RH-32"), |
| ENUM_ENT(EM_RCE, "Motorola RCE"), |
| ENUM_ENT(EM_ARM, "ARM"), |
| ENUM_ENT(EM_ALPHA, "EM_ALPHA"), |
| ENUM_ENT(EM_SH, "Hitachi SH"), |
| ENUM_ENT(EM_SPARCV9, "Sparc v9"), |
| ENUM_ENT(EM_TRICORE, "Siemens Tricore"), |
| ENUM_ENT(EM_ARC, "ARC"), |
| ENUM_ENT(EM_H8_300, "Hitachi H8/300"), |
| ENUM_ENT(EM_H8_300H, "Hitachi H8/300H"), |
| ENUM_ENT(EM_H8S, "Hitachi H8S"), |
| ENUM_ENT(EM_H8_500, "Hitachi H8/500"), |
| ENUM_ENT(EM_IA_64, "Intel IA-64"), |
| ENUM_ENT(EM_MIPS_X, "Stanford MIPS-X"), |
| ENUM_ENT(EM_COLDFIRE, "Motorola Coldfire"), |
| ENUM_ENT(EM_68HC12, "Motorola MC68HC12 Microcontroller"), |
| ENUM_ENT(EM_MMA, "Fujitsu Multimedia Accelerator"), |
| ENUM_ENT(EM_PCP, "Siemens PCP"), |
| ENUM_ENT(EM_NCPU, "Sony nCPU embedded RISC processor"), |
| ENUM_ENT(EM_NDR1, "Denso NDR1 microprocesspr"), |
| ENUM_ENT(EM_STARCORE, "Motorola Star*Core processor"), |
| ENUM_ENT(EM_ME16, "Toyota ME16 processor"), |
| ENUM_ENT(EM_ST100, "STMicroelectronics ST100 processor"), |
| ENUM_ENT(EM_TINYJ, "Advanced Logic Corp. TinyJ embedded processor"), |
| ENUM_ENT(EM_X86_64, "Advanced Micro Devices X86-64"), |
| ENUM_ENT(EM_PDSP, "Sony DSP processor"), |
| ENUM_ENT(EM_PDP10, "Digital Equipment Corp. PDP-10"), |
| ENUM_ENT(EM_PDP11, "Digital Equipment Corp. PDP-11"), |
| ENUM_ENT(EM_FX66, "Siemens FX66 microcontroller"), |
| ENUM_ENT(EM_ST9PLUS, "STMicroelectronics ST9+ 8/16 bit microcontroller"), |
| ENUM_ENT(EM_ST7, "STMicroelectronics ST7 8-bit microcontroller"), |
| ENUM_ENT(EM_68HC16, "Motorola MC68HC16 Microcontroller"), |
| ENUM_ENT(EM_68HC11, "Motorola MC68HC11 Microcontroller"), |
| ENUM_ENT(EM_68HC08, "Motorola MC68HC08 Microcontroller"), |
| ENUM_ENT(EM_68HC05, "Motorola MC68HC05 Microcontroller"), |
| ENUM_ENT(EM_SVX, "Silicon Graphics SVx"), |
| ENUM_ENT(EM_ST19, "STMicroelectronics ST19 8-bit microcontroller"), |
| ENUM_ENT(EM_VAX, "Digital VAX"), |
| ENUM_ENT(EM_CRIS, "Axis Communications 32-bit embedded processor"), |
| ENUM_ENT(EM_JAVELIN, "Infineon Technologies 32-bit embedded cpu"), |
| ENUM_ENT(EM_FIREPATH, "Element 14 64-bit DSP processor"), |
| ENUM_ENT(EM_ZSP, "LSI Logic's 16-bit DSP processor"), |
| ENUM_ENT(EM_MMIX, "Donald Knuth's educational 64-bit processor"), |
| ENUM_ENT(EM_HUANY, "Harvard Universitys's machine-independent object format"), |
| ENUM_ENT(EM_PRISM, "Vitesse Prism"), |
| ENUM_ENT(EM_AVR, "Atmel AVR 8-bit microcontroller"), |
| ENUM_ENT(EM_FR30, "Fujitsu FR30"), |
| ENUM_ENT(EM_D10V, "Mitsubishi D10V"), |
| ENUM_ENT(EM_D30V, "Mitsubishi D30V"), |
| ENUM_ENT(EM_V850, "NEC v850"), |
| ENUM_ENT(EM_M32R, "Renesas M32R (formerly Mitsubishi M32r)"), |
| ENUM_ENT(EM_MN10300, "Matsushita MN10300"), |
| ENUM_ENT(EM_MN10200, "Matsushita MN10200"), |
| ENUM_ENT(EM_PJ, "picoJava"), |
| ENUM_ENT(EM_OPENRISC, "OpenRISC 32-bit embedded processor"), |
| ENUM_ENT(EM_ARC_COMPACT, "EM_ARC_COMPACT"), |
| ENUM_ENT(EM_XTENSA, "Tensilica Xtensa Processor"), |
| ENUM_ENT(EM_VIDEOCORE, "Alphamosaic VideoCore processor"), |
| ENUM_ENT(EM_TMM_GPP, "Thompson Multimedia General Purpose Processor"), |
| ENUM_ENT(EM_NS32K, "National Semiconductor 32000 series"), |
| ENUM_ENT(EM_TPC, "Tenor Network TPC processor"), |
| ENUM_ENT(EM_SNP1K, "EM_SNP1K"), |
| ENUM_ENT(EM_ST200, "STMicroelectronics ST200 microcontroller"), |
| ENUM_ENT(EM_IP2K, "Ubicom IP2xxx 8-bit microcontrollers"), |
| ENUM_ENT(EM_MAX, "MAX Processor"), |
| ENUM_ENT(EM_CR, "National Semiconductor CompactRISC"), |
| ENUM_ENT(EM_F2MC16, "Fujitsu F2MC16"), |
| ENUM_ENT(EM_MSP430, "Texas Instruments msp430 microcontroller"), |
| ENUM_ENT(EM_BLACKFIN, "Analog Devices Blackfin"), |
| ENUM_ENT(EM_SE_C33, "S1C33 Family of Seiko Epson processors"), |
| ENUM_ENT(EM_SEP, "Sharp embedded microprocessor"), |
| ENUM_ENT(EM_ARCA, "Arca RISC microprocessor"), |
| ENUM_ENT(EM_UNICORE, "Unicore"), |
| ENUM_ENT(EM_EXCESS, "eXcess 16/32/64-bit configurable embedded CPU"), |
| ENUM_ENT(EM_DXP, "Icera Semiconductor Inc. Deep Execution Processor"), |
| ENUM_ENT(EM_ALTERA_NIOS2, "Altera Nios"), |
| ENUM_ENT(EM_CRX, "National Semiconductor CRX microprocessor"), |
| ENUM_ENT(EM_XGATE, "Motorola XGATE embedded processor"), |
| ENUM_ENT(EM_C166, "Infineon Technologies xc16x"), |
| ENUM_ENT(EM_M16C, "Renesas M16C"), |
| ENUM_ENT(EM_DSPIC30F, "Microchip Technology dsPIC30F Digital Signal Controller"), |
| ENUM_ENT(EM_CE, "Freescale Communication Engine RISC core"), |
| ENUM_ENT(EM_M32C, "Renesas M32C"), |
| ENUM_ENT(EM_TSK3000, "Altium TSK3000 core"), |
| ENUM_ENT(EM_RS08, "Freescale RS08 embedded processor"), |
| ENUM_ENT(EM_SHARC, "EM_SHARC"), |
| ENUM_ENT(EM_ECOG2, "Cyan Technology eCOG2 microprocessor"), |
| ENUM_ENT(EM_SCORE7, "SUNPLUS S+Core"), |
| ENUM_ENT(EM_DSP24, "New Japan Radio (NJR) 24-bit DSP Processor"), |
| ENUM_ENT(EM_VIDEOCORE3, "Broadcom VideoCore III processor"), |
| ENUM_ENT(EM_LATTICEMICO32, "Lattice Mico32"), |
| ENUM_ENT(EM_SE_C17, "Seiko Epson C17 family"), |
| ENUM_ENT(EM_TI_C6000, "Texas Instruments TMS320C6000 DSP family"), |
| ENUM_ENT(EM_TI_C2000, "Texas Instruments TMS320C2000 DSP family"), |
| ENUM_ENT(EM_TI_C5500, "Texas Instruments TMS320C55x DSP family"), |
| ENUM_ENT(EM_MMDSP_PLUS, "STMicroelectronics 64bit VLIW Data Signal Processor"), |
| ENUM_ENT(EM_CYPRESS_M8C, "Cypress M8C microprocessor"), |
| ENUM_ENT(EM_R32C, "Renesas R32C series microprocessors"), |
| ENUM_ENT(EM_TRIMEDIA, "NXP Semiconductors TriMedia architecture family"), |
| ENUM_ENT(EM_HEXAGON, "Qualcomm Hexagon"), |
| ENUM_ENT(EM_8051, "Intel 8051 and variants"), |
| ENUM_ENT(EM_STXP7X, "STMicroelectronics STxP7x family"), |
| ENUM_ENT(EM_NDS32, "Andes Technology compact code size embedded RISC processor family"), |
| ENUM_ENT(EM_ECOG1, "Cyan Technology eCOG1 microprocessor"), |
| ENUM_ENT(EM_ECOG1X, "Cyan Technology eCOG1X family"), |
| ENUM_ENT(EM_MAXQ30, "Dallas Semiconductor MAXQ30 Core microcontrollers"), |
| ENUM_ENT(EM_XIMO16, "New Japan Radio (NJR) 16-bit DSP Processor"), |
| ENUM_ENT(EM_MANIK, "M2000 Reconfigurable RISC Microprocessor"), |
| ENUM_ENT(EM_CRAYNV2, "Cray Inc. NV2 vector architecture"), |
| ENUM_ENT(EM_RX, "Renesas RX"), |
| ENUM_ENT(EM_METAG, "Imagination Technologies Meta processor architecture"), |
| ENUM_ENT(EM_MCST_ELBRUS, "MCST Elbrus general purpose hardware architecture"), |
| ENUM_ENT(EM_ECOG16, "Cyan Technology eCOG16 family"), |
| ENUM_ENT(EM_CR16, "Xilinx MicroBlaze"), |
| ENUM_ENT(EM_ETPU, "Freescale Extended Time Processing Unit"), |
| ENUM_ENT(EM_SLE9X, "Infineon Technologies SLE9X core"), |
| ENUM_ENT(EM_L10M, "EM_L10M"), |
| ENUM_ENT(EM_K10M, "EM_K10M"), |
| ENUM_ENT(EM_AARCH64, "AArch64"), |
| ENUM_ENT(EM_AVR32, "Atmel Corporation 32-bit microprocessor family"), |
| ENUM_ENT(EM_STM8, "STMicroeletronics STM8 8-bit microcontroller"), |
| ENUM_ENT(EM_TILE64, "Tilera TILE64 multicore architecture family"), |
| ENUM_ENT(EM_TILEPRO, "Tilera TILEPro multicore architecture family"), |
| ENUM_ENT(EM_CUDA, "NVIDIA CUDA architecture"), |
| ENUM_ENT(EM_TILEGX, "Tilera TILE-Gx multicore architecture family"), |
| ENUM_ENT(EM_CLOUDSHIELD, "EM_CLOUDSHIELD"), |
| ENUM_ENT(EM_COREA_1ST, "EM_COREA_1ST"), |
| ENUM_ENT(EM_COREA_2ND, "EM_COREA_2ND"), |
| ENUM_ENT(EM_ARC_COMPACT2, "EM_ARC_COMPACT2"), |
| ENUM_ENT(EM_OPEN8, "EM_OPEN8"), |
| ENUM_ENT(EM_RL78, "Renesas RL78"), |
| ENUM_ENT(EM_VIDEOCORE5, "Broadcom VideoCore V processor"), |
| ENUM_ENT(EM_78KOR, "EM_78KOR"), |
| ENUM_ENT(EM_56800EX, "EM_56800EX"), |
| ENUM_ENT(EM_AMDGPU, "EM_AMDGPU"), |
| ENUM_ENT(EM_RISCV, "RISC-V"), |
| ENUM_ENT(EM_LANAI, "EM_LANAI"), |
| ENUM_ENT(EM_BPF, "EM_BPF"), |
| }; |
| |
| static const EnumEntry<unsigned> ElfSymbolBindings[] = { |
| {"Local", "LOCAL", ELF::STB_LOCAL}, |
| {"Global", "GLOBAL", ELF::STB_GLOBAL}, |
| {"Weak", "WEAK", ELF::STB_WEAK}, |
| {"Unique", "UNIQUE", ELF::STB_GNU_UNIQUE}}; |
| |
| static const EnumEntry<unsigned> ElfSymbolVisibilities[] = { |
| {"DEFAULT", "DEFAULT", ELF::STV_DEFAULT}, |
| {"INTERNAL", "INTERNAL", ELF::STV_INTERNAL}, |
| {"HIDDEN", "HIDDEN", ELF::STV_HIDDEN}, |
| {"PROTECTED", "PROTECTED", ELF::STV_PROTECTED}}; |
| |
| static const EnumEntry<unsigned> AMDGPUSymbolTypes[] = { |
| { "AMDGPU_HSA_KERNEL", ELF::STT_AMDGPU_HSA_KERNEL } |
| }; |
| |
| static const char *getGroupType(uint32_t Flag) { |
| if (Flag & ELF::GRP_COMDAT) |
| return "COMDAT"; |
| else |
| return "(unknown)"; |
| } |
| |
| static const EnumEntry<unsigned> ElfSectionFlags[] = { |
| ENUM_ENT(SHF_WRITE, "W"), |
| ENUM_ENT(SHF_ALLOC, "A"), |
| ENUM_ENT(SHF_EXCLUDE, "E"), |
| ENUM_ENT(SHF_EXECINSTR, "X"), |
| ENUM_ENT(SHF_MERGE, "M"), |
| ENUM_ENT(SHF_STRINGS, "S"), |
| ENUM_ENT(SHF_INFO_LINK, "I"), |
| ENUM_ENT(SHF_LINK_ORDER, "L"), |
| ENUM_ENT(SHF_OS_NONCONFORMING, "o"), |
| ENUM_ENT(SHF_GROUP, "G"), |
| ENUM_ENT(SHF_TLS, "T"), |
| ENUM_ENT(SHF_MASKOS, "o"), |
| ENUM_ENT(SHF_MASKPROC, "p"), |
| ENUM_ENT_1(SHF_COMPRESSED), |
| }; |
| |
| static const EnumEntry<unsigned> ElfXCoreSectionFlags[] = { |
| LLVM_READOBJ_ENUM_ENT(ELF, XCORE_SHF_CP_SECTION), |
| LLVM_READOBJ_ENUM_ENT(ELF, XCORE_SHF_DP_SECTION) |
| }; |
| |
| static const EnumEntry<unsigned> ElfARMSectionFlags[] = { |
| LLVM_READOBJ_ENUM_ENT(ELF, SHF_ARM_PURECODE) |
| }; |
| |
| static const EnumEntry<unsigned> ElfHexagonSectionFlags[] = { |
| LLVM_READOBJ_ENUM_ENT(ELF, SHF_HEX_GPREL) |
| }; |
| |
| static const EnumEntry<unsigned> ElfMipsSectionFlags[] = { |
| LLVM_READOBJ_ENUM_ENT(ELF, SHF_MIPS_NODUPES), |
| LLVM_READOBJ_ENUM_ENT(ELF, SHF_MIPS_NAMES ), |
| LLVM_READOBJ_ENUM_ENT(ELF, SHF_MIPS_LOCAL ), |
| LLVM_READOBJ_ENUM_ENT(ELF, SHF_MIPS_NOSTRIP), |
| LLVM_READOBJ_ENUM_ENT(ELF, SHF_MIPS_GPREL ), |
| LLVM_READOBJ_ENUM_ENT(ELF, SHF_MIPS_MERGE ), |
| LLVM_READOBJ_ENUM_ENT(ELF, SHF_MIPS_ADDR ), |
| LLVM_READOBJ_ENUM_ENT(ELF, SHF_MIPS_STRING ) |
| }; |
| |
| static const EnumEntry<unsigned> ElfX86_64SectionFlags[] = { |
| LLVM_READOBJ_ENUM_ENT(ELF, SHF_X86_64_LARGE) |
| }; |
| |
| static std::string getGNUFlags(uint64_t Flags) { |
| std::string Str; |
| for (auto Entry : ElfSectionFlags) { |
| uint64_t Flag = Entry.Value & Flags; |
| Flags &= ~Entry.Value; |
| switch (Flag) { |
| case ELF::SHF_WRITE: |
| case ELF::SHF_ALLOC: |
| case ELF::SHF_EXECINSTR: |
| case ELF::SHF_MERGE: |
| case ELF::SHF_STRINGS: |
| case ELF::SHF_INFO_LINK: |
| case ELF::SHF_LINK_ORDER: |
| case ELF::SHF_OS_NONCONFORMING: |
| case ELF::SHF_GROUP: |
| case ELF::SHF_TLS: |
| case ELF::SHF_EXCLUDE: |
| Str += Entry.AltName; |
| break; |
| default: |
| if (Flag & ELF::SHF_MASKOS) |
| Str += "o"; |
| else if (Flag & ELF::SHF_MASKPROC) |
| Str += "p"; |
| else if (Flag) |
| Str += "x"; |
| } |
| } |
| return Str; |
| } |
| |
| static const char *getElfSegmentType(unsigned Arch, unsigned Type) { |
| // Check potentially overlapped processor-specific |
| // program header type. |
| switch (Arch) { |
| case ELF::EM_ARM: |
| switch (Type) { |
| LLVM_READOBJ_ENUM_CASE(ELF, PT_ARM_EXIDX); |
| } |
| break; |
| case ELF::EM_MIPS: |
| case ELF::EM_MIPS_RS3_LE: |
| switch (Type) { |
| LLVM_READOBJ_ENUM_CASE(ELF, PT_MIPS_REGINFO); |
| LLVM_READOBJ_ENUM_CASE(ELF, PT_MIPS_RTPROC); |
| LLVM_READOBJ_ENUM_CASE(ELF, PT_MIPS_OPTIONS); |
| LLVM_READOBJ_ENUM_CASE(ELF, PT_MIPS_ABIFLAGS); |
| } |
| break; |
| } |
| |
| switch (Type) { |
| LLVM_READOBJ_ENUM_CASE(ELF, PT_NULL ); |
| LLVM_READOBJ_ENUM_CASE(ELF, PT_LOAD ); |
| LLVM_READOBJ_ENUM_CASE(ELF, PT_DYNAMIC); |
| LLVM_READOBJ_ENUM_CASE(ELF, PT_INTERP ); |
| LLVM_READOBJ_ENUM_CASE(ELF, PT_NOTE ); |
| LLVM_READOBJ_ENUM_CASE(ELF, PT_SHLIB ); |
| LLVM_READOBJ_ENUM_CASE(ELF, PT_PHDR ); |
| LLVM_READOBJ_ENUM_CASE(ELF, PT_TLS ); |
| |
| LLVM_READOBJ_ENUM_CASE(ELF, PT_GNU_EH_FRAME); |
| LLVM_READOBJ_ENUM_CASE(ELF, PT_SUNW_UNWIND); |
| |
| LLVM_READOBJ_ENUM_CASE(ELF, PT_GNU_STACK); |
| LLVM_READOBJ_ENUM_CASE(ELF, PT_GNU_RELRO); |
| |
| LLVM_READOBJ_ENUM_CASE(ELF, PT_OPENBSD_RANDOMIZE); |
| LLVM_READOBJ_ENUM_CASE(ELF, PT_OPENBSD_WXNEEDED); |
| LLVM_READOBJ_ENUM_CASE(ELF, PT_OPENBSD_BOOTDATA); |
| |
| default: return ""; |
| } |
| } |
| |
| static std::string getElfPtType(unsigned Arch, unsigned Type) { |
| switch (Type) { |
| LLVM_READOBJ_PHDR_ENUM(ELF, PT_NULL) |
| LLVM_READOBJ_PHDR_ENUM(ELF, PT_LOAD) |
| LLVM_READOBJ_PHDR_ENUM(ELF, PT_DYNAMIC) |
| LLVM_READOBJ_PHDR_ENUM(ELF, PT_INTERP) |
| LLVM_READOBJ_PHDR_ENUM(ELF, PT_NOTE) |
| LLVM_READOBJ_PHDR_ENUM(ELF, PT_SHLIB) |
| LLVM_READOBJ_PHDR_ENUM(ELF, PT_PHDR) |
| LLVM_READOBJ_PHDR_ENUM(ELF, PT_TLS) |
| LLVM_READOBJ_PHDR_ENUM(ELF, PT_GNU_EH_FRAME) |
| LLVM_READOBJ_PHDR_ENUM(ELF, PT_SUNW_UNWIND) |
| LLVM_READOBJ_PHDR_ENUM(ELF, PT_GNU_STACK) |
| LLVM_READOBJ_PHDR_ENUM(ELF, PT_GNU_RELRO) |
| default: |
| // All machine specific PT_* types |
| switch (Arch) { |
| case ELF::EM_ARM: |
| if (Type == ELF::PT_ARM_EXIDX) |
| return "EXIDX"; |
| break; |
| case ELF::EM_MIPS: |
| case ELF::EM_MIPS_RS3_LE: |
| switch (Type) { |
| case PT_MIPS_REGINFO: |
| return "REGINFO"; |
| case PT_MIPS_RTPROC: |
| return "RTPROC"; |
| case PT_MIPS_OPTIONS: |
| return "OPTIONS"; |
| case PT_MIPS_ABIFLAGS: |
| return "ABIFLAGS"; |
| } |
| break; |
| } |
| } |
| return std::string("<unknown>: ") + to_string(format_hex(Type, 1)); |
| } |
| |
| static const EnumEntry<unsigned> ElfSegmentFlags[] = { |
| LLVM_READOBJ_ENUM_ENT(ELF, PF_X), |
| LLVM_READOBJ_ENUM_ENT(ELF, PF_W), |
| LLVM_READOBJ_ENUM_ENT(ELF, PF_R) |
| }; |
| |
| static const EnumEntry<unsigned> ElfHeaderMipsFlags[] = { |
| ENUM_ENT(EF_MIPS_NOREORDER, "noreorder"), |
| ENUM_ENT(EF_MIPS_PIC, "pic"), |
| ENUM_ENT(EF_MIPS_CPIC, "cpic"), |
| ENUM_ENT(EF_MIPS_ABI2, "abi2"), |
| ENUM_ENT(EF_MIPS_32BITMODE, "32bitmode"), |
| ENUM_ENT(EF_MIPS_FP64, "fp64"), |
| ENUM_ENT(EF_MIPS_NAN2008, "nan2008"), |
| ENUM_ENT(EF_MIPS_ABI_O32, "o32"), |
| ENUM_ENT(EF_MIPS_ABI_O64, "o64"), |
| ENUM_ENT(EF_MIPS_ABI_EABI32, "eabi32"), |
| ENUM_ENT(EF_MIPS_ABI_EABI64, "eabi64"), |
| ENUM_ENT(EF_MIPS_MACH_3900, "3900"), |
| ENUM_ENT(EF_MIPS_MACH_4010, "4010"), |
| ENUM_ENT(EF_MIPS_MACH_4100, "4100"), |
| ENUM_ENT(EF_MIPS_MACH_4650, "4650"), |
| ENUM_ENT(EF_MIPS_MACH_4120, "4120"), |
| ENUM_ENT(EF_MIPS_MACH_4111, "4111"), |
| ENUM_ENT(EF_MIPS_MACH_SB1, "sb1"), |
| ENUM_ENT(EF_MIPS_MACH_OCTEON, "octeon"), |
| ENUM_ENT(EF_MIPS_MACH_XLR, "xlr"), |
| ENUM_ENT(EF_MIPS_MACH_OCTEON2, "octeon2"), |
| ENUM_ENT(EF_MIPS_MACH_OCTEON3, "octeon3"), |
| ENUM_ENT(EF_MIPS_MACH_5400, "5400"), |
| ENUM_ENT(EF_MIPS_MACH_5900, "5900"), |
| ENUM_ENT(EF_MIPS_MACH_5500, "5500"), |
| ENUM_ENT(EF_MIPS_MACH_9000, "9000"), |
| ENUM_ENT(EF_MIPS_MACH_LS2E, "loongson-2e"), |
| ENUM_ENT(EF_MIPS_MACH_LS2F, "loongson-2f"), |
| ENUM_ENT(EF_MIPS_MACH_LS3A, "loongson-3a"), |
| ENUM_ENT(EF_MIPS_MICROMIPS, "micromips"), |
| ENUM_ENT(EF_MIPS_ARCH_ASE_M16, "mips16"), |
| ENUM_ENT(EF_MIPS_ARCH_ASE_MDMX, "mdmx"), |
| ENUM_ENT(EF_MIPS_ARCH_1, "mips1"), |
| ENUM_ENT(EF_MIPS_ARCH_2, "mips2"), |
| ENUM_ENT(EF_MIPS_ARCH_3, "mips3"), |
| ENUM_ENT(EF_MIPS_ARCH_4, "mips4"), |
| ENUM_ENT(EF_MIPS_ARCH_5, "mips5"), |
| ENUM_ENT(EF_MIPS_ARCH_32, "mips32"), |
| ENUM_ENT(EF_MIPS_ARCH_64, "mips64"), |
| ENUM_ENT(EF_MIPS_ARCH_32R2, "mips32r2"), |
| ENUM_ENT(EF_MIPS_ARCH_64R2, "mips64r2"), |
| ENUM_ENT(EF_MIPS_ARCH_32R6, "mips32r6"), |
| ENUM_ENT(EF_MIPS_ARCH_64R6, "mips64r6") |
| }; |
| |
| static const EnumEntry<unsigned> ElfHeaderAMDGPUFlags[] = { |
| LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_NONE), |
| LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_R600_R600), |
| LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_R600_R630), |
| LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_R600_RS880), |
| LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_R600_RV670), |
| LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_R600_RV710), |
| LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_R600_RV730), |
| LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_R600_RV770), |
| LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_R600_CEDAR), |
| LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_R600_CYPRESS), |
| LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_R600_JUNIPER), |
| LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_R600_REDWOOD), |
| LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_R600_SUMO), |
| LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_R600_BARTS), |
| LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_R600_CAICOS), |
| LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_R600_CAYMAN), |
| LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_R600_TURKS), |
| LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_AMDGCN_GFX600), |
| LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_AMDGCN_GFX601), |
| LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_AMDGCN_GFX700), |
| LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_AMDGCN_GFX701), |
| LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_AMDGCN_GFX702), |
| LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_AMDGCN_GFX703), |
| LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_AMDGCN_GFX704), |
| LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_AMDGCN_GFX801), |
| LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_AMDGCN_GFX802), |
| LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_AMDGCN_GFX803), |
| LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_AMDGCN_GFX810), |
| LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_AMDGCN_GFX900), |
| LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_AMDGCN_GFX902), |
| LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_AMDGCN_GFX904), |
| LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_AMDGCN_GFX906), |
| LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_AMDGCN_GFX909), |
| LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_XNACK), |
| LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_SRAM_ECC) |
| }; |
| |
| static const EnumEntry<unsigned> ElfHeaderRISCVFlags[] = { |
| ENUM_ENT(EF_RISCV_RVC, "RVC"), |
| ENUM_ENT(EF_RISCV_FLOAT_ABI_SINGLE, "single-float ABI"), |
| ENUM_ENT(EF_RISCV_FLOAT_ABI_DOUBLE, "double-float ABI"), |
| ENUM_ENT(EF_RISCV_FLOAT_ABI_QUAD, "quad-float ABI"), |
| ENUM_ENT(EF_RISCV_RVE, "RVE") |
| }; |
| |
| static const EnumEntry<unsigned> ElfSymOtherFlags[] = { |
| LLVM_READOBJ_ENUM_ENT(ELF, STV_INTERNAL), |
| LLVM_READOBJ_ENUM_ENT(ELF, STV_HIDDEN), |
| LLVM_READOBJ_ENUM_ENT(ELF, STV_PROTECTED) |
| }; |
| |
| static const EnumEntry<unsigned> ElfMipsSymOtherFlags[] = { |
| LLVM_READOBJ_ENUM_ENT(ELF, STO_MIPS_OPTIONAL), |
| LLVM_READOBJ_ENUM_ENT(ELF, STO_MIPS_PLT), |
| LLVM_READOBJ_ENUM_ENT(ELF, STO_MIPS_PIC), |
| LLVM_READOBJ_ENUM_ENT(ELF, STO_MIPS_MICROMIPS) |
| }; |
| |
| static const EnumEntry<unsigned> ElfMips16SymOtherFlags[] = { |
| LLVM_READOBJ_ENUM_ENT(ELF, STO_MIPS_OPTIONAL), |
| LLVM_READOBJ_ENUM_ENT(ELF, STO_MIPS_PLT), |
| LLVM_READOBJ_ENUM_ENT(ELF, STO_MIPS_MIPS16) |
| }; |
| |
| static const char *getElfMipsOptionsOdkType(unsigned Odk) { |
| switch (Odk) { |
| LLVM_READOBJ_ENUM_CASE(ELF, ODK_NULL); |
| LLVM_READOBJ_ENUM_CASE(ELF, ODK_REGINFO); |
| LLVM_READOBJ_ENUM_CASE(ELF, ODK_EXCEPTIONS); |
| LLVM_READOBJ_ENUM_CASE(ELF, ODK_PAD); |
| LLVM_READOBJ_ENUM_CASE(ELF, ODK_HWPATCH); |
| LLVM_READOBJ_ENUM_CASE(ELF, ODK_FILL); |
| LLVM_READOBJ_ENUM_CASE(ELF, ODK_TAGS); |
| LLVM_READOBJ_ENUM_CASE(ELF, ODK_HWAND); |
| LLVM_READOBJ_ENUM_CASE(ELF, ODK_HWOR); |
| LLVM_READOBJ_ENUM_CASE(ELF, ODK_GP_GROUP); |
| LLVM_READOBJ_ENUM_CASE(ELF, ODK_IDENT); |
| LLVM_READOBJ_ENUM_CASE(ELF, ODK_PAGESIZE); |
| default: |
| return "Unknown"; |
| } |
| } |
| |
| template <typename ELFT> |
| ELFDumper<ELFT>::ELFDumper(const object::ELFObjectFile<ELFT> *ObjF, |
| ScopedPrinter &Writer) |
| : ObjDumper(Writer), ObjF(ObjF) { |
| SmallVector<const Elf_Phdr *, 4> LoadSegments; |
| const ELFFile<ELFT> *Obj = ObjF->getELFFile(); |
| for (const Elf_Phdr &Phdr : unwrapOrError(Obj->program_headers())) { |
| if (Phdr.p_type == ELF::PT_DYNAMIC) { |
| DynamicTable = createDRIFrom(&Phdr, sizeof(Elf_Dyn)); |
| continue; |
| } |
| if (Phdr.p_type != ELF::PT_LOAD || Phdr.p_filesz == 0) |
| continue; |
| LoadSegments.push_back(&Phdr); |
| } |
| |
| for (const Elf_Shdr &Sec : unwrapOrError(Obj->sections())) { |
| switch (Sec.sh_type) { |
| case ELF::SHT_SYMTAB: |
| if (DotSymtabSec != nullptr) |
| reportError("Multiple SHT_SYMTAB"); |
| DotSymtabSec = &Sec; |
| break; |
| case ELF::SHT_DYNSYM: |
| if (DynSymRegion.Size) |
| reportError("Multiple SHT_DYNSYM"); |
| DynSymRegion = createDRIFrom(&Sec); |
| // This is only used (if Elf_Shdr present)for naming section in GNU style |
| DynSymtabName = unwrapOrError(Obj->getSectionName(&Sec)); |
| DynamicStringTable = unwrapOrError(Obj->getStringTableForSymtab(Sec)); |
| break; |
| case ELF::SHT_SYMTAB_SHNDX: |
| ShndxTable = unwrapOrError(Obj->getSHNDXTable(Sec)); |
| break; |
| case ELF::SHT_GNU_versym: |
| if (SymbolVersionSection != nullptr) |
| reportError("Multiple SHT_GNU_versym"); |
| SymbolVersionSection = &Sec; |
| break; |
| case ELF::SHT_GNU_verdef: |
| if (SymbolVersionDefSection != nullptr) |
| reportError("Multiple SHT_GNU_verdef"); |
| SymbolVersionDefSection = &Sec; |
| break; |
| case ELF::SHT_GNU_verneed: |
| if (SymbolVersionNeedSection != nullptr) |
| reportError("Multiple SHT_GNU_verneed"); |
| SymbolVersionNeedSection = &Sec; |
| break; |
| case ELF::SHT_LLVM_CALL_GRAPH_PROFILE: |
| if (DotCGProfileSec != nullptr) |
| reportError("Multiple .llvm.call-graph-profile"); |
| DotCGProfileSec = &Sec; |
| break; |
| case ELF::SHT_LLVM_ADDRSIG: |
| if (DotAddrsigSec != nullptr) |
| reportError("Multiple .llvm_addrsig"); |
| DotAddrsigSec = &Sec; |
| break; |
| } |
| } |
| |
| parseDynamicTable(LoadSegments); |
| |
| if (opts::Output == opts::GNU) |
| ELFDumperStyle.reset(new GNUStyle<ELFT>(Writer, this)); |
| else |
| ELFDumperStyle.reset(new LLVMStyle<ELFT>(Writer, this)); |
| } |
| |
| template <typename ELFT> |
| void ELFDumper<ELFT>::parseDynamicTable( |
| ArrayRef<const Elf_Phdr *> LoadSegments) { |
| auto toMappedAddr = [&](uint64_t VAddr) -> const uint8_t * { |
| auto MappedAddrOrError = ObjF->getELFFile()->toMappedAddr(VAddr); |
| if (!MappedAddrOrError) |
| report_fatal_error(MappedAddrOrError.takeError()); |
| return MappedAddrOrError.get(); |
| }; |
| |
| uint64_t SONameOffset = 0; |
| const char *StringTableBegin = nullptr; |
| uint64_t StringTableSize = 0; |
| for (const Elf_Dyn &Dyn : dynamic_table()) { |
| switch (Dyn.d_tag) { |
| case ELF::DT_HASH: |
| HashTable = |
| reinterpret_cast<const Elf_Hash *>(toMappedAddr(Dyn.getPtr())); |
| break; |
| case ELF::DT_GNU_HASH: |
| GnuHashTable = |
| reinterpret_cast<const Elf_GnuHash *>(toMappedAddr(Dyn.getPtr())); |
| break; |
| case ELF::DT_STRTAB: |
| StringTableBegin = |
| reinterpret_cast<const char *>(toMappedAddr(Dyn.getPtr())); |
| break; |
| case ELF::DT_STRSZ: |
| StringTableSize = Dyn.getVal(); |
| break; |
| case ELF::DT_SYMTAB: |
| DynSymRegion.Addr = toMappedAddr(Dyn.getPtr()); |
| DynSymRegion.EntSize = sizeof(Elf_Sym); |
| break; |
| case ELF::DT_RELA: |
| DynRelaRegion.Addr = toMappedAddr(Dyn.getPtr()); |
| break; |
| case ELF::DT_RELASZ: |
| DynRelaRegion.Size = Dyn.getVal(); |
| break; |
| case ELF::DT_RELAENT: |
| DynRelaRegion.EntSize = Dyn.getVal(); |
| break; |
| case ELF::DT_SONAME: |
| SONameOffset = Dyn.getVal(); |
| break; |
| case ELF::DT_REL: |
| DynRelRegion.Addr = toMappedAddr(Dyn.getPtr()); |
| break; |
| case ELF::DT_RELSZ: |
| DynRelRegion.Size = Dyn.getVal(); |
| break; |
| case ELF::DT_RELENT: |
| DynRelRegion.EntSize = Dyn.getVal(); |
| break; |
| case ELF::DT_RELR: |
| case ELF::DT_ANDROID_RELR: |
| DynRelrRegion.Addr = toMappedAddr(Dyn.getPtr()); |
| break; |
| case ELF::DT_RELRSZ: |
| case ELF::DT_ANDROID_RELRSZ: |
| DynRelrRegion.Size = Dyn.getVal(); |
| break; |
| case ELF::DT_RELRENT: |
| case ELF::DT_ANDROID_RELRENT: |
| DynRelrRegion.EntSize = Dyn.getVal(); |
| break; |
| case ELF::DT_PLTREL: |
| if (Dyn.getVal() == DT_REL) |
| DynPLTRelRegion.EntSize = sizeof(Elf_Rel); |
| else if (Dyn.getVal() == DT_RELA) |
| DynPLTRelRegion.EntSize = sizeof(Elf_Rela); |
| else |
| reportError(Twine("unknown DT_PLTREL value of ") + |
| Twine((uint64_t)Dyn.getVal())); |
| break; |
| case ELF::DT_JMPREL: |
| DynPLTRelRegion.Addr = toMappedAddr(Dyn.getPtr()); |
| break; |
| case ELF::DT_PLTRELSZ: |
| DynPLTRelRegion.Size = Dyn.getVal(); |
| break; |
| } |
| } |
| if (StringTableBegin) |
| DynamicStringTable = StringRef(StringTableBegin, StringTableSize); |
| if (SONameOffset) |
| SOName = getDynamicString(SONameOffset); |
| } |
| |
| template <typename ELFT> |
| typename ELFDumper<ELFT>::Elf_Rel_Range ELFDumper<ELFT>::dyn_rels() const { |
| return DynRelRegion.getAsArrayRef<Elf_Rel>(); |
| } |
| |
| template <typename ELFT> |
| typename ELFDumper<ELFT>::Elf_Rela_Range ELFDumper<ELFT>::dyn_relas() const { |
| return DynRelaRegion.getAsArrayRef<Elf_Rela>(); |
| } |
| |
| template <typename ELFT> |
| typename ELFDumper<ELFT>::Elf_Relr_Range ELFDumper<ELFT>::dyn_relrs() const { |
| return DynRelrRegion.getAsArrayRef<Elf_Relr>(); |
| } |
| |
| template <class ELFT> |
| void ELFDumper<ELFT>::printFileHeaders() { |
| ELFDumperStyle->printFileHeaders(ObjF->getELFFile()); |
| } |
| |
| template <class ELFT> |
| void ELFDumper<ELFT>::printSectionHeaders() { |
| ELFDumperStyle->printSectionHeaders(ObjF->getELFFile()); |
| } |
| |
| template <class ELFT> |
| void ELFDumper<ELFT>::printRelocations() { |
| ELFDumperStyle->printRelocations(ObjF->getELFFile()); |
| } |
| |
| template <class ELFT> |
| void ELFDumper<ELFT>::printProgramHeaders( |
| bool PrintProgramHeaders, cl::boolOrDefault PrintSectionMapping) { |
| ELFDumperStyle->printProgramHeaders(ObjF->getELFFile(), PrintProgramHeaders, |
| PrintSectionMapping); |
| } |
| |
| template <typename ELFT> void ELFDumper<ELFT>::printVersionInfo() { |
| // Dump version symbol section. |
| ELFDumperStyle->printVersionSymbolSection(ObjF->getELFFile(), |
| SymbolVersionSection); |
| |
| // Dump version definition section. |
| ELFDumperStyle->printVersionDefinitionSection(ObjF->getELFFile(), |
| SymbolVersionDefSection); |
| |
| // Dump version dependency section. |
| ELFDumperStyle->printVersionDependencySection(ObjF->getELFFile(), |
| SymbolVersionNeedSection); |
| } |
| |
| template <class ELFT> void ELFDumper<ELFT>::printDynamicRelocations() { |
| ELFDumperStyle->printDynamicRelocations(ObjF->getELFFile()); |
| } |
| |
| template <class ELFT> |
| void ELFDumper<ELFT>::printSymbols(bool PrintSymbols, |
| bool PrintDynamicSymbols) { |
| ELFDumperStyle->printSymbols(ObjF->getELFFile(), PrintSymbols, |
| PrintDynamicSymbols); |
| } |
| |
| template <class ELFT> |
| void ELFDumper<ELFT>::printHashSymbols() { |
| ELFDumperStyle->printHashSymbols(ObjF->getELFFile()); |
| } |
| |
| template <class ELFT> void ELFDumper<ELFT>::printHashHistogram() { |
| ELFDumperStyle->printHashHistogram(ObjF->getELFFile()); |
| } |
| |
| template <class ELFT> void ELFDumper<ELFT>::printCGProfile() { |
| ELFDumperStyle->printCGProfile(ObjF->getELFFile()); |
| } |
| |
| template <class ELFT> void ELFDumper<ELFT>::printNotes() { |
| ELFDumperStyle->printNotes(ObjF->getELFFile()); |
| } |
| |
| template <class ELFT> void ELFDumper<ELFT>::printELFLinkerOptions() { |
| ELFDumperStyle->printELFLinkerOptions(ObjF->getELFFile()); |
| } |
| |
| static const char *getTypeString(unsigned Arch, uint64_t Type) { |
| #define DYNAMIC_TAG(n, v) |
| switch (Arch) { |
| case EM_HEXAGON: |
| switch (Type) { |
| #define HEXAGON_DYNAMIC_TAG(name, value) \ |
| case DT_##name: \ |
| return #name; |
| #include "llvm/BinaryFormat/DynamicTags.def" |
| #undef HEXAGON_DYNAMIC_TAG |
| } |
| break; |
| |
| case EM_MIPS: |
| switch (Type) { |
| #define MIPS_DYNAMIC_TAG(name, value) \ |
| case DT_##name: \ |
| return #name; |
| #include "llvm/BinaryFormat/DynamicTags.def" |
| #undef MIPS_DYNAMIC_TAG |
| } |
| break; |
| |
| case EM_PPC64: |
| switch(Type) { |
| #define PPC64_DYNAMIC_TAG(name, value) \ |
| case DT_##name: \ |
| return #name; |
| #include "llvm/BinaryFormat/DynamicTags.def" |
| #undef PPC64_DYNAMIC_TAG |
| } |
| break; |
| } |
| #undef DYNAMIC_TAG |
| switch (Type) { |
| // Now handle all dynamic tags except the architecture specific ones |
| #define MIPS_DYNAMIC_TAG(name, value) |
| #define HEXAGON_DYNAMIC_TAG(name, value) |
| #define PPC64_DYNAMIC_TAG(name, value) |
| // Also ignore marker tags such as DT_HIOS (maps to DT_VERNEEDNUM), etc. |
| #define DYNAMIC_TAG_MARKER(name, value) |
| #define DYNAMIC_TAG(name, value) \ |
| case DT_##name: \ |
| return #name; |
| #include "llvm/BinaryFormat/DynamicTags.def" |
| #undef DYNAMIC_TAG |
| #undef MIPS_DYNAMIC_TAG |
| #undef HEXAGON_DYNAMIC_TAG |
| #undef PPC64_DYNAMIC_TAG |
| #undef DYNAMIC_TAG_MARKER |
| default: return "unknown"; |
| } |
| } |
| |
| #define LLVM_READOBJ_DT_FLAG_ENT(prefix, enum) \ |
| { #enum, prefix##_##enum } |
| |
| static const EnumEntry<unsigned> ElfDynamicDTFlags[] = { |
| LLVM_READOBJ_DT_FLAG_ENT(DF, ORIGIN), |
| LLVM_READOBJ_DT_FLAG_ENT(DF, SYMBOLIC), |
| LLVM_READOBJ_DT_FLAG_ENT(DF, TEXTREL), |
| LLVM_READOBJ_DT_FLAG_ENT(DF, BIND_NOW), |
| LLVM_READOBJ_DT_FLAG_ENT(DF, STATIC_TLS) |
| }; |
| |
| static const EnumEntry<unsigned> ElfDynamicDTFlags1[] = { |
| LLVM_READOBJ_DT_FLAG_ENT(DF_1, NOW), |
| LLVM_READOBJ_DT_FLAG_ENT(DF_1, GLOBAL), |
| LLVM_READOBJ_DT_FLAG_ENT(DF_1, GROUP), |
| LLVM_READOBJ_DT_FLAG_ENT(DF_1, NODELETE), |
| LLVM_READOBJ_DT_FLAG_ENT(DF_1, LOADFLTR), |
| LLVM_READOBJ_DT_FLAG_ENT(DF_1, INITFIRST), |
| LLVM_READOBJ_DT_FLAG_ENT(DF_1, NOOPEN), |
| LLVM_READOBJ_DT_FLAG_ENT(DF_1, ORIGIN), |
| LLVM_READOBJ_DT_FLAG_ENT(DF_1, DIRECT), |
| LLVM_READOBJ_DT_FLAG_ENT(DF_1, TRANS), |
| LLVM_READOBJ_DT_FLAG_ENT(DF_1, INTERPOSE), |
| LLVM_READOBJ_DT_FLAG_ENT(DF_1, NODEFLIB), |
| LLVM_READOBJ_DT_FLAG_ENT(DF_1, NODUMP), |
| LLVM_READOBJ_DT_FLAG_ENT(DF_1, CONFALT), |
| LLVM_READOBJ_DT_FLAG_ENT(DF_1, ENDFILTEE), |
| LLVM_READOBJ_DT_FLAG_ENT(DF_1, DISPRELDNE), |
| LLVM_READOBJ_DT_FLAG_ENT(DF_1, DISPRELPND), |
| LLVM_READOBJ_DT_FLAG_ENT(DF_1, NODIRECT), |
| LLVM_READOBJ_DT_FLAG_ENT(DF_1, IGNMULDEF), |
| LLVM_READOBJ_DT_FLAG_ENT(DF_1, NOKSYMS), |
| LLVM_READOBJ_DT_FLAG_ENT(DF_1, NOHDR), |
| LLVM_READOBJ_DT_FLAG_ENT(DF_1, EDITED), |
| LLVM_READOBJ_DT_FLAG_ENT(DF_1, NORELOC), |
| LLVM_READOBJ_DT_FLAG_ENT(DF_1, SYMINTPOSE), |
| LLVM_READOBJ_DT_FLAG_ENT(DF_1, GLOBAUDIT), |
| LLVM_READOBJ_DT_FLAG_ENT(DF_1, SINGLETON) |
| }; |
| |
| static const EnumEntry<unsigned> ElfDynamicDTMipsFlags[] = { |
| LLVM_READOBJ_DT_FLAG_ENT(RHF, NONE), |
| LLVM_READOBJ_DT_FLAG_ENT(RHF, QUICKSTART), |
| LLVM_READOBJ_DT_FLAG_ENT(RHF, NOTPOT), |
| LLVM_READOBJ_DT_FLAG_ENT(RHS, NO_LIBRARY_REPLACEMENT), |
| LLVM_READOBJ_DT_FLAG_ENT(RHF, NO_MOVE), |
| LLVM_READOBJ_DT_FLAG_ENT(RHF, SGI_ONLY), |
| LLVM_READOBJ_DT_FLAG_ENT(RHF, GUARANTEE_INIT), |
| LLVM_READOBJ_DT_FLAG_ENT(RHF, DELTA_C_PLUS_PLUS), |
| LLVM_READOBJ_DT_FLAG_ENT(RHF, GUARANTEE_START_INIT), |
| LLVM_READOBJ_DT_FLAG_ENT(RHF, PIXIE), |
| LLVM_READOBJ_DT_FLAG_ENT(RHF, DEFAULT_DELAY_LOAD), |
| LLVM_READOBJ_DT_FLAG_ENT(RHF, REQUICKSTART), |
| LLVM_READOBJ_DT_FLAG_ENT(RHF, REQUICKSTARTED), |
| LLVM_READOBJ_DT_FLAG_ENT(RHF, CORD), |
| LLVM_READOBJ_DT_FLAG_ENT(RHF, NO_UNRES_UNDEF), |
| LLVM_READOBJ_DT_FLAG_ENT(RHF, RLD_ORDER_SAFE) |
| }; |
| |
| #undef LLVM_READOBJ_DT_FLAG_ENT |
| |
| template <typename T, typename TFlag> |
| void printFlags(T Value, ArrayRef<EnumEntry<TFlag>> Flags, raw_ostream &OS) { |
| using FlagEntry = EnumEntry<TFlag>; |
| using FlagVector = SmallVector<FlagEntry, 10>; |
| FlagVector SetFlags; |
| |
| for (const auto &Flag : Flags) { |
| if (Flag.Value == 0) |
| continue; |
| |
| if ((Value & Flag.Value) == Flag.Value) |
| SetFlags.push_back(Flag); |
| } |
| |
| for (const auto &Flag : SetFlags) { |
| OS << Flag.Name << " "; |
| } |
| } |
| |
| template <class ELFT> |
| StringRef ELFDumper<ELFT>::getDynamicString(uint64_t Value) const { |
| if (Value >= DynamicStringTable.size()) |
| reportError("Invalid dynamic string table reference"); |
| return StringRef(DynamicStringTable.data() + Value); |
| } |
| |
| static void printLibrary(raw_ostream &OS, const Twine &Tag, const Twine &Name) { |
| OS << Tag << ": [" << Name << "]"; |
| } |
| |
| template <class ELFT> |
| void ELFDumper<ELFT>::printValue(uint64_t Type, uint64_t Value) { |
| raw_ostream &OS = W.getOStream(); |
| const char* ConvChar = (opts::Output == opts::GNU) ? "0x%" PRIx64 : "0x%" PRIX64; |
| switch (Type) { |
| case DT_PLTREL: |
| if (Value == DT_REL) { |
| OS << "REL"; |
| break; |
| } else if (Value == DT_RELA) { |
| OS << "RELA"; |
| break; |
| } |
| LLVM_FALLTHROUGH; |
| case DT_PLTGOT: |
| case DT_HASH: |
| case DT_STRTAB: |
| case DT_SYMTAB: |
| case DT_RELA: |
| case DT_INIT: |
| case DT_FINI: |
| case DT_REL: |
| case DT_JMPREL: |
| case DT_INIT_ARRAY: |
| case DT_FINI_ARRAY: |
| case DT_PREINIT_ARRAY: |
| case DT_DEBUG: |
| case DT_VERDEF: |
| case DT_VERNEED: |
| case DT_VERSYM: |
| case DT_GNU_HASH: |
| case DT_NULL: |
| case DT_MIPS_BASE_ADDRESS: |
| case DT_MIPS_GOTSYM: |
| case DT_MIPS_RLD_MAP: |
| case DT_MIPS_RLD_MAP_REL: |
| case DT_MIPS_PLTGOT: |
| case DT_MIPS_OPTIONS: |
| OS << format(ConvChar, Value); |
| break; |
| case DT_RELACOUNT: |
| case DT_RELCOUNT: |
| case DT_VERDEFNUM: |
| case DT_VERNEEDNUM: |
| case DT_MIPS_RLD_VERSION: |
| case DT_MIPS_LOCAL_GOTNO: |
| case DT_MIPS_SYMTABNO: |
| case DT_MIPS_UNREFEXTNO: |
| OS << Value; |
| break; |
| case DT_PLTRELSZ: |
| case DT_RELASZ: |
| case DT_RELAENT: |
| case DT_STRSZ: |
| case DT_SYMENT: |
| case DT_RELSZ: |
| case DT_RELENT: |
| case DT_INIT_ARRAYSZ: |
| case DT_FINI_ARRAYSZ: |
| case DT_PREINIT_ARRAYSZ: |
| case DT_ANDROID_RELSZ: |
| case DT_ANDROID_RELASZ: |
| OS << Value << " (bytes)"; |
| break; |
| case DT_NEEDED: |
| printLibrary(OS, "Shared library", getDynamicString(Value)); |
| break; |
| case DT_SONAME: |
| printLibrary(OS, "Library soname", getDynamicString(Value)); |
| break; |
| case DT_AUXILIARY: |
| printLibrary(OS, "Auxiliary library", getDynamicString(Value)); |
| break; |
| case DT_USED: |
| printLibrary(OS, "Not needed object", getDynamicString(Value)); |
| break; |
| case DT_FILTER: |
| printLibrary(OS, "Filter library", getDynamicString(Value)); |
| break; |
| case DT_RPATH: |
| case DT_RUNPATH: |
| OS << getDynamicString(Value); |
| break; |
| case DT_MIPS_FLAGS: |
| printFlags(Value, makeArrayRef(ElfDynamicDTMipsFlags), OS); |
| break; |
| case DT_FLAGS: |
| printFlags(Value, makeArrayRef(ElfDynamicDTFlags), OS); |
| break; |
| case DT_FLAGS_1: |
| printFlags(Value, makeArrayRef(ElfDynamicDTFlags1), OS); |
| break; |
| default: |
| OS << format(ConvChar, Value); |
| break; |
| } |
| } |
| |
| template <class ELFT> |
| void ELFDumper<ELFT>::printUnwindInfo() { |
| DwarfCFIEH::PrinterContext<ELFT> Ctx(W, ObjF); |
| Ctx.printUnwindInformation(); |
| } |
| |
| namespace { |
| |
| template <> void ELFDumper<ELF32LE>::printUnwindInfo() { |
| const ELFFile<ELF32LE> *Obj = ObjF->getELFFile(); |
| const unsigned Machine = Obj->getHeader()->e_machine; |
| if (Machine == EM_ARM) { |
| ARM::EHABI::PrinterContext<ELF32LE> Ctx(W, Obj, DotSymtabSec); |
| Ctx.PrintUnwindInformation(); |
| } |
| DwarfCFIEH::PrinterContext<ELF32LE> Ctx(W, ObjF); |
| Ctx.printUnwindInformation(); |
| } |
| |
| } // end anonymous namespace |
| |
| template <class ELFT> |
| void ELFDumper<ELFT>::printDynamicTable() { |
| // A valid .dynamic section contains an array of entries terminated with |
| // a DT_NULL entry. However, sometimes the section content may continue |
| // past the DT_NULL entry, so to dump the section correctly, we first find |
| // the end of the entries by iterating over them. |
| size_t Size = 0; |
| Elf_Dyn_Range DynTableEntries = dynamic_table(); |
| for (; Size < DynTableEntries.size();) |
| if (DynTableEntries[Size++].getTag() == DT_NULL) |
| break; |
| |
| if (!Size) |
| return; |
| |
| raw_ostream &OS = W.getOStream(); |
| W.startLine() << "DynamicSection [ (" << Size << " entries)\n"; |
| |
| bool Is64 = ELFT::Is64Bits; |
| W.startLine() |
| << " Tag" << (Is64 ? " " : " ") << "Type" |
| << " " << "Name/Value\n"; |
| for (size_t I = 0; I < Size; ++I) { |
| const Elf_Dyn &Entry = DynTableEntries[I]; |
| uintX_t Tag = Entry.getTag(); |
| W.startLine() << " " << format_hex(Tag, Is64 ? 18 : 10, opts::Output != opts::GNU) << " " |
| << format("%-21s", getTypeString(ObjF->getELFFile()->getHeader()->e_machine, Tag)); |
| printValue(Tag, Entry.getVal()); |
| OS << "\n"; |
| } |
| |
| W.startLine() << "]\n"; |
| } |
| |
| template <class ELFT> |
| void ELFDumper<ELFT>::printNeededLibraries() { |
| ListScope D(W, "NeededLibraries"); |
| |
| using LibsTy = std::vector<StringRef>; |
| LibsTy Libs; |
| |
| for (const auto &Entry : dynamic_table()) |
| if (Entry.d_tag == ELF::DT_NEEDED) |
| Libs.push_back(getDynamicString(Entry.d_un.d_val)); |
| |
| std::stable_sort(Libs.begin(), Libs.end()); |
| |
| for (const auto &L : Libs) |
| W.startLine() << L << "\n"; |
| } |
| |
| |
| template <typename ELFT> |
| void ELFDumper<ELFT>::printHashTable() { |
| DictScope D(W, "HashTable"); |
| if (!HashTable) |
| return; |
| W.printNumber("Num Buckets", HashTable->nbucket); |
| W.printNumber("Num Chains", HashTable->nchain); |
| W.printList("Buckets", HashTable->buckets()); |
| W.printList("Chains", HashTable->chains()); |
| } |
| |
| template <typename ELFT> |
| void ELFDumper<ELFT>::printGnuHashTable() { |
| DictScope D(W, "GnuHashTable"); |
| if (!GnuHashTable) |
| return; |
| W.printNumber("Num Buckets", GnuHashTable->nbuckets); |
| W.printNumber("First Hashed Symbol Index", GnuHashTable->symndx); |
| W.printNumber("Num Mask Words", GnuHashTable->maskwords); |
| W.printNumber("Shift Count", GnuHashTable->shift2); |
| W.printHexList("Bloom Filter", GnuHashTable->filter()); |
| W.printList("Buckets", GnuHashTable->buckets()); |
| Elf_Sym_Range Syms = dynamic_symbols(); |
| unsigned NumSyms = std::distance(Syms.begin(), Syms.end()); |
| if (!NumSyms) |
| reportError("No dynamic symbol section"); |
| W.printHexList("Values", GnuHashTable->values(NumSyms)); |
| } |
| |
| template <typename ELFT> void ELFDumper<ELFT>::printLoadName() { |
| W.printString("LoadName", SOName); |
| } |
| |
| template <class ELFT> |
| void ELFDumper<ELFT>::printAttributes() { |
| W.startLine() << "Attributes not implemented.\n"; |
| } |
| |
| namespace { |
| |
| template <> void ELFDumper<ELF32LE>::printAttributes() { |
| const ELFFile<ELF32LE> *Obj = ObjF->getELFFile(); |
| if (Obj->getHeader()->e_machine != EM_ARM) { |
| W.startLine() << "Attributes not implemented.\n"; |
| return; |
| } |
| |
| DictScope BA(W, "BuildAttributes"); |
| for (const ELFO::Elf_Shdr &Sec : unwrapOrError(Obj->sections())) { |
| if (Sec.sh_type != ELF::SHT_ARM_ATTRIBUTES) |
| continue; |
| |
| ArrayRef<uint8_t> Contents = unwrapOrError(Obj->getSectionContents(&Sec)); |
| if (Contents[0] != ARMBuildAttrs::Format_Version) { |
| errs() << "unrecognised FormatVersion: 0x" |
| << Twine::utohexstr(Contents[0]) << '\n'; |
| continue; |
| } |
| |
| W.printHex("FormatVersion", Contents[0]); |
| if (Contents.size() == 1) |
| continue; |
| |
| ARMAttributeParser(&W).Parse(Contents, true); |
| } |
| } |
| |
| template <class ELFT> class MipsGOTParser { |
| public: |
| TYPEDEF_ELF_TYPES(ELFT) |
| using Entry = typename ELFO::Elf_Addr; |
| using Entries = ArrayRef<Entry>; |
| |
| const bool IsStatic; |
| const ELFO * const Obj; |
| |
| MipsGOTParser(const ELFO *Obj, Elf_Dyn_Range DynTable, Elf_Sym_Range DynSyms); |
| |
| bool hasGot() const { return !GotEntries.empty(); } |
| bool hasPlt() const { return !PltEntries.empty(); } |
| |
| uint64_t getGp() const; |
| |
| const Entry *getGotLazyResolver() const; |
| const Entry *getGotModulePointer() const; |
| const Entry *getPltLazyResolver() const; |
| const Entry *getPltModulePointer() const; |
| |
| Entries getLocalEntries() const; |
| Entries getGlobalEntries() const; |
| Entries getOtherEntries() const; |
| Entries getPltEntries() const; |
| |
| uint64_t getGotAddress(const Entry * E) const; |
| int64_t getGotOffset(const Entry * E) const; |
| const Elf_Sym *getGotSym(const Entry *E) const; |
| |
| uint64_t getPltAddress(const Entry * E) const; |
| const Elf_Sym *getPltSym(const Entry *E) const; |
| |
| StringRef getPltStrTable() const { return PltStrTable; } |
| |
| private: |
| const Elf_Shdr *GotSec; |
| size_t LocalNum; |
| size_t GlobalNum; |
| |
| const Elf_Shdr *PltSec; |
| const Elf_Shdr *PltRelSec; |
| const Elf_Shdr *PltSymTable; |
| Elf_Sym_Range GotDynSyms; |
| StringRef PltStrTable; |
| |
| Entries GotEntries; |
| Entries PltEntries; |
| }; |
| |
| } // end anonymous namespace |
| |
| template <class ELFT> |
| MipsGOTParser<ELFT>::MipsGOTParser(const ELFO *Obj, Elf_Dyn_Range DynTable, |
| Elf_Sym_Range DynSyms) |
| : IsStatic(DynTable.empty()), Obj(Obj), GotSec(nullptr), LocalNum(0), |
| GlobalNum(0), PltSec(nullptr), PltRelSec(nullptr), PltSymTable(nullptr) { |
| // See "Global Offset Table" in Chapter 5 in the following document |
| // for detailed GOT description. |
| // ftp://www.linux-mips.org/pub/linux/mips/doc/ABI/mipsabi.pdf |
| |
| // Find static GOT secton. |
| if (IsStatic) { |
| GotSec = findSectionByName(*Obj, ".got"); |
| if (!GotSec) |
| reportError("Cannot find .got section"); |
| |
| ArrayRef<uint8_t> Content = unwrapOrError(Obj->getSectionContents(GotSec)); |
| GotEntries = Entries(reinterpret_cast<const Entry *>(Content.data()), |
| Content.size() / sizeof(Entry)); |
| LocalNum = GotEntries.size(); |
| return; |
| } |
| |
| // Lookup dynamic table tags which define GOT/PLT layouts. |
| Optional<uint64_t> DtPltGot; |
| Optional<uint64_t> DtLocalGotNum; |
| Optional<uint64_t> DtGotSym; |
| Optional<uint64_t> DtMipsPltGot; |
| Optional<uint64_t> DtJmpRel; |
| for (const auto &Entry : DynTable) { |
| switch (Entry.getTag()) { |
| case ELF::DT_PLTGOT: |
| DtPltGot = Entry.getVal(); |
| break; |
| case ELF::DT_MIPS_LOCAL_GOTNO: |
| DtLocalGotNum = Entry.getVal(); |
| break; |
| case ELF::DT_MIPS_GOTSYM: |
| DtGotSym = Entry.getVal(); |
| break; |
| case ELF::DT_MIPS_PLTGOT: |
| DtMipsPltGot = Entry.getVal(); |
| break; |
| case ELF::DT_JMPREL: |
| DtJmpRel = Entry.getVal(); |
| break; |
| } |
| } |
| |
| // Find dynamic GOT section. |
| if (DtPltGot || DtLocalGotNum || DtGotSym) { |
| if (!DtPltGot) |
| report_fatal_error("Cannot find PLTGOT dynamic table tag."); |
| if (!DtLocalGotNum) |
| report_fatal_error("Cannot find MIPS_LOCAL_GOTNO dynamic table tag."); |
| if (!DtGotSym) |
| report_fatal_error("Cannot find MIPS_GOTSYM dynamic table tag."); |
| |
| size_t DynSymTotal = DynSyms.size(); |
| if (*DtGotSym > DynSymTotal) |
| reportError("MIPS_GOTSYM exceeds a number of dynamic symbols"); |
| |
| GotSec = findNotEmptySectionByAddress(Obj, *DtPltGot); |
| if (!GotSec) |
| reportError("There is no not empty GOT section at 0x" + |
| Twine::utohexstr(*DtPltGot)); |
| |
| LocalNum = *DtLocalGotNum; |
| GlobalNum = DynSymTotal - *DtGotSym; |
| |
| ArrayRef<uint8_t> Content = unwrapOrError(Obj->getSectionContents(GotSec)); |
| GotEntries = Entries(reinterpret_cast<const Entry *>(Content.data()), |
| Content.size() / sizeof(Entry)); |
| GotDynSyms = DynSyms.drop_front(*DtGotSym); |
| } |
| |
| // Find PLT section. |
| if (DtMipsPltGot || DtJmpRel) { |
| if (!DtMipsPltGot) |
| report_fatal_error("Cannot find MIPS_PLTGOT dynamic table tag."); |
| if (!DtJmpRel) |
| report_fatal_error("Cannot find JMPREL dynamic table tag."); |
| |
| PltSec = findNotEmptySectionByAddress(Obj, *DtMipsPltGot); |
| if (!PltSec) |
| report_fatal_error("There is no not empty PLTGOT section at 0x " + |
| Twine::utohexstr(*DtMipsPltGot)); |
| |
| PltRelSec = findNotEmptySectionByAddress(Obj, *DtJmpRel); |
| if (!PltRelSec) |
| report_fatal_error("There is no not empty RELPLT section at 0x" + |
| Twine::utohexstr(*DtJmpRel)); |
| |
| ArrayRef<uint8_t> PltContent = |
| unwrapOrError(Obj->getSectionContents(PltSec)); |
| PltEntries = Entries(reinterpret_cast<const Entry *>(PltContent.data()), |
| PltContent.size() / sizeof(Entry)); |
| |
| PltSymTable = unwrapOrError(Obj->getSection(PltRelSec->sh_link)); |
| PltStrTable = unwrapOrError(Obj->getStringTableForSymtab(*PltSymTable)); |
| } |
| } |
| |
| template <class ELFT> uint64_t MipsGOTParser<ELFT>::getGp() const { |
| return GotSec->sh_addr + 0x7ff0; |
| } |
| |
| template <class ELFT> |
| const typename MipsGOTParser<ELFT>::Entry * |
| MipsGOTParser<ELFT>::getGotLazyResolver() const { |
| return LocalNum > 0 ? &GotEntries[0] : nullptr; |
| } |
| |
| template <class ELFT> |
| const typename MipsGOTParser<ELFT>::Entry * |
| MipsGOTParser<ELFT>::getGotModulePointer() const { |
| if (LocalNum < 2) |
| return nullptr; |
| const Entry &E = GotEntries[1]; |
| if ((E >> (sizeof(Entry) * 8 - 1)) == 0) |
| return nullptr; |
| return &E; |
| } |
| |
| template <class ELFT> |
| typename MipsGOTParser<ELFT>::Entries |
| MipsGOTParser<ELFT>::getLocalEntries() const { |
| size_t Skip = getGotModulePointer() ? 2 : 1; |
| if (LocalNum - Skip <= 0) |
| return Entries(); |
| return GotEntries.slice(Skip, LocalNum - Skip); |
| } |
| |
| template <class ELFT> |
| typename MipsGOTParser<ELFT>::Entries |
| MipsGOTParser<ELFT>::getGlobalEntries() const { |
| if (GlobalNum == 0) |
| return Entries(); |
| return GotEntries.slice(LocalNum, GlobalNum); |
| } |
| |
| template <class ELFT> |
| typename MipsGOTParser<ELFT>::Entries |
| MipsGOTParser<ELFT>::getOtherEntries() const { |
| size_t OtherNum = GotEntries.size() - LocalNum - GlobalNum; |
| if (OtherNum == 0) |
| return Entries(); |
| return GotEntries.slice(LocalNum + GlobalNum, OtherNum); |
| } |
| |
| template <class ELFT> |
| uint64_t MipsGOTParser<ELFT>::getGotAddress(const Entry *E) const { |
| int64_t Offset = std::distance(GotEntries.data(), E) * sizeof(Entry); |
| return GotSec->sh_addr + Offset; |
| } |
| |
| template <class ELFT> |
| int64_t MipsGOTParser<ELFT>::getGotOffset(const Entry *E) const { |
| int64_t Offset = std::distance(GotEntries.data(), E) * sizeof(Entry); |
| return Offset - 0x7ff0; |
| } |
| |
| template <class ELFT> |
| const typename MipsGOTParser<ELFT>::Elf_Sym * |
| MipsGOTParser<ELFT>::getGotSym(const Entry *E) const { |
| int64_t Offset = std::distance(GotEntries.data(), E); |
| return &GotDynSyms[Offset - LocalNum]; |
| } |
| |
| template <class ELFT> |
| const typename MipsGOTParser<ELFT>::Entry * |
| MipsGOTParser<ELFT>::getPltLazyResolver() const { |
| return PltEntries.empty() ? nullptr : &PltEntries[0]; |
| } |
| |
| template <class ELFT> |
| const typename MipsGOTParser<ELFT>::Entry * |
| MipsGOTParser<ELFT>::getPltModulePointer() const { |
| return PltEntries.size() < 2 ? nullptr : &PltEntries[1]; |
| } |
| |
| template <class ELFT> |
| typename MipsGOTParser<ELFT>::Entries |
| MipsGOTParser<ELFT>::getPltEntries() const { |
| if (PltEntries.size() <= 2) |
| return Entries(); |
| return PltEntries.slice(2, PltEntries.size() - 2); |
| } |
| |
| template <class ELFT> |
| uint64_t MipsGOTParser<ELFT>::getPltAddress(const Entry *E) const { |
| int64_t Offset = std::distance(PltEntries.data(), E) * sizeof(Entry); |
| return PltSec->sh_addr + Offset; |
| } |
| |
| template <class ELFT> |
| const typename MipsGOTParser<ELFT>::Elf_Sym * |
| MipsGOTParser<ELFT>::getPltSym(const Entry *E) const { |
| int64_t Offset = std::distance(getPltEntries().data(), E); |
| if (PltRelSec->sh_type == ELF::SHT_REL) { |
| Elf_Rel_Range Rels = unwrapOrError(Obj->rels(PltRelSec)); |
| return unwrapOrError(Obj->getRelocationSymbol(&Rels[Offset], PltSymTable)); |
| } else { |
| Elf_Rela_Range Rels = unwrapOrError(Obj->relas(PltRelSec)); |
| return unwrapOrError(Obj->getRelocationSymbol(&Rels[Offset], PltSymTable)); |
| } |
| } |
| |
| template <class ELFT> void ELFDumper<ELFT>::printMipsPLTGOT() { |
| const ELFFile<ELFT> *Obj = ObjF->getELFFile(); |
| if (Obj->getHeader()->e_machine != EM_MIPS) |
| reportError("MIPS PLT GOT is available for MIPS targets only"); |
| |
| MipsGOTParser<ELFT> Parser(Obj, dynamic_table(), dynamic_symbols()); |
| if (Parser.hasGot()) |
| ELFDumperStyle->printMipsGOT(Parser); |
| if (Parser.hasPlt()) |
| ELFDumperStyle->printMipsPLT(Parser); |
| } |
| |
| static const EnumEntry<unsigned> ElfMipsISAExtType[] = { |
| {"None", Mips::AFL_EXT_NONE}, |
| {"Broadcom SB-1", Mips::AFL_EXT_SB1}, |
| {"Cavium Networks Octeon", Mips::AFL_EXT_OCTEON}, |
| {"Cavium Networks Octeon2", Mips::AFL_EXT_OCTEON2}, |
| {"Cavium Networks OcteonP", Mips::AFL_EXT_OCTEONP}, |
| {"Cavium Networks Octeon3", Mips::AFL_EXT_OCTEON3}, |
| {"LSI R4010", Mips::AFL_EXT_4010}, |
| {"Loongson 2E", Mips::AFL_EXT_LOONGSON_2E}, |
| {"Loongson 2F", Mips::AFL_EXT_LOONGSON_2F}, |
| {"Loongson 3A", Mips::AFL_EXT_LOONGSON_3A}, |
| {"MIPS R4650", Mips::AFL_EXT_4650}, |
| {"MIPS R5900", Mips::AFL_EXT_5900}, |
| {"MIPS R10000", Mips::AFL_EXT_10000}, |
| {"NEC VR4100", Mips::AFL_EXT_4100}, |
| {"NEC VR4111/VR4181", Mips::AFL_EXT_4111}, |
| {"NEC VR4120", Mips::AFL_EXT_4120}, |
| {"NEC VR5400", Mips::AFL_EXT_5400}, |
| {"NEC VR5500", Mips::AFL_EXT_5500}, |
| {"RMI Xlr", Mips::AFL_EXT_XLR}, |
| {"Toshiba R3900", Mips::AFL_EXT_3900} |
| }; |
| |
| static const EnumEntry<unsigned> ElfMipsASEFlags[] = { |
| {"DSP", Mips::AFL_ASE_DSP}, |
| {"DSPR2", Mips::AFL_ASE_DSPR2}, |
| {"Enhanced VA Scheme", Mips::AFL_ASE_EVA}, |
| {"MCU", Mips::AFL_ASE_MCU}, |
| {"MDMX", Mips::AFL_ASE_MDMX}, |
| {"MIPS-3D", Mips::AFL_ASE_MIPS3D}, |
| {"MT", Mips::AFL_ASE_MT}, |
| {"SmartMIPS", Mips::AFL_ASE_SMARTMIPS}, |
| {"VZ", Mips::AFL_ASE_VIRT}, |
| {"MSA", Mips::AFL_ASE_MSA}, |
| {"MIPS16", Mips::AFL_ASE_MIPS16}, |
| {"microMIPS", Mips::AFL_ASE_MICROMIPS}, |
| {"XPA", Mips::AFL_ASE_XPA}, |
| {"CRC", Mips::AFL_ASE_CRC}, |
| {"GINV", Mips::AFL_ASE_GINV}, |
| }; |
| |
| static const EnumEntry<unsigned> ElfMipsFpABIType[] = { |
| {"Hard or soft float", Mips::Val_GNU_MIPS_ABI_FP_ANY}, |
| {"Hard float (double precision)", Mips::Val_GNU_MIPS_ABI_FP_DOUBLE}, |
| {"Hard float (single precision)", Mips::Val_GNU_MIPS_ABI_FP_SINGLE}, |
| {"Soft float", Mips::Val_GNU_MIPS_ABI_FP_SOFT}, |
| {"Hard float (MIPS32r2 64-bit FPU 12 callee-saved)", |
| Mips::Val_GNU_MIPS_ABI_FP_OLD_64}, |
| {"Hard float (32-bit CPU, Any FPU)", Mips::Val_GNU_MIPS_ABI_FP_XX}, |
| {"Hard float (32-bit CPU, 64-bit FPU)", Mips::Val_GNU_MIPS_ABI_FP_64}, |
| {"Hard float compat (32-bit CPU, 64-bit FPU)", |
| Mips::Val_GNU_MIPS_ABI_FP_64A} |
| }; |
| |
| static const EnumEntry<unsigned> ElfMipsFlags1[] { |
| {"ODDSPREG", Mips::AFL_FLAGS1_ODDSPREG}, |
| }; |
| |
| static int getMipsRegisterSize(uint8_t Flag) { |
| switch (Flag) { |
| case Mips::AFL_REG_NONE: |
| return 0; |
| case Mips::AFL_REG_32: |
| return 32; |
| case Mips::AFL_REG_64: |
| return 64; |
| case Mips::AFL_REG_128: |
| return 128; |
| default: |
| return -1; |
| } |
| } |
| |
| template <class ELFT> void ELFDumper<ELFT>::printMipsABIFlags() { |
| const ELFFile<ELFT> *Obj = ObjF->getELFFile(); |
| const Elf_Shdr *Shdr = findSectionByName(*Obj, ".MIPS.abiflags"); |
| if (!Shdr) { |
| W.startLine() << "There is no .MIPS.abiflags section in the file.\n"; |
| return; |
| } |
| ArrayRef<uint8_t> Sec = unwrapOrError(Obj->getSectionContents(Shdr)); |
| if (Sec.size() != sizeof(Elf_Mips_ABIFlags<ELFT>)) { |
| W.startLine() << "The .MIPS.abiflags section has a wrong size.\n"; |
| return; |
| } |
| |
| auto *Flags = reinterpret_cast<const Elf_Mips_ABIFlags<ELFT> *>(Sec.data()); |
| |
| raw_ostream &OS = W.getOStream(); |
| DictScope GS(W, "MIPS ABI Flags"); |
| |
| W.printNumber("Version", Flags->version); |
| W.startLine() << "ISA: "; |
| if (Flags->isa_rev <= 1) |
| OS << format("MIPS%u", Flags->isa_level); |
| else |
| OS << format("MIPS%ur%u", Flags->isa_level, Flags->isa_rev); |
| OS << "\n"; |
| W.printEnum("ISA Extension", Flags->isa_ext, makeArrayRef(ElfMipsISAExtType)); |
| W.printFlags("ASEs", Flags->ases, makeArrayRef(ElfMipsASEFlags)); |
| W.printEnum("FP ABI", Flags->fp_abi, makeArrayRef(ElfMipsFpABIType)); |
| W.printNumber("GPR size", getMipsRegisterSize(Flags->gpr_size)); |
| W.printNumber("CPR1 size", getMipsRegisterSize(Flags->cpr1_size)); |
| W.printNumber("CPR2 size", getMipsRegisterSize(Flags->cpr2_size)); |
| W.printFlags("Flags 1", Flags->flags1, makeArrayRef(ElfMipsFlags1)); |
| W.printHex("Flags 2", Flags->flags2); |
| } |
| |
| template <class ELFT> |
| static void printMipsReginfoData(ScopedPrinter &W, |
| const Elf_Mips_RegInfo<ELFT> &Reginfo) { |
| W.printHex("GP", Reginfo.ri_gp_value); |
| W.printHex("General Mask", Reginfo.ri_gprmask); |
| W.printHex("Co-Proc Mask0", Reginfo.ri_cprmask[0]); |
| W.printHex("Co-Proc Mask1", Reginfo.ri_cprmask[1]); |
| W.printHex("Co-Proc Mask2", Reginfo.ri_cprmask[2]); |
| W.printHex("Co-Proc Mask3", Reginfo.ri_cprmask[3]); |
| } |
| |
| template <class ELFT> void ELFDumper<ELFT>::printMipsReginfo() { |
| const ELFFile<ELFT> *Obj = ObjF->getELFFile(); |
| const Elf_Shdr *Shdr = findSectionByName(*Obj, ".reginfo"); |
| if (!Shdr) { |
| W.startLine() << "There is no .reginfo section in the file.\n"; |
| return; |
| } |
| ArrayRef<uint8_t> Sec = unwrapOrError(Obj->getSectionContents(Shdr)); |
| if (Sec.size() != sizeof(Elf_Mips_RegInfo<ELFT>)) { |
| W.startLine() << "The .reginfo section has a wrong size.\n"; |
| return; |
| } |
| |
| DictScope GS(W, "MIPS RegInfo"); |
| auto *Reginfo = reinterpret_cast<const Elf_Mips_RegInfo<ELFT> *>(Sec.data()); |
| printMipsReginfoData(W, *Reginfo); |
| } |
| |
| template <class ELFT> void ELFDumper<ELFT>::printMipsOptions() { |
| const ELFFile<ELFT> *Obj = ObjF->getELFFile(); |
| const Elf_Shdr *Shdr = findSectionByName(*Obj, ".MIPS.options"); |
| if (!Shdr) { |
| W.startLine() << "There is no .MIPS.options section in the file.\n"; |
| return; |
| } |
| |
| DictScope GS(W, "MIPS Options"); |
| |
| ArrayRef<uint8_t> Sec = unwrapOrError(Obj->getSectionContents(Shdr)); |
| while (!Sec.empty()) { |
| if (Sec.size() < sizeof(Elf_Mips_Options<ELFT>)) { |
| W.startLine() << "The .MIPS.options section has a wrong size.\n"; |
| return; |
| } |
| auto *O = reinterpret_cast<const Elf_Mips_Options<ELFT> *>(Sec.data()); |
| DictScope GS(W, getElfMipsOptionsOdkType(O->kind)); |
| switch (O->kind) { |
| case ODK_REGINFO: |
| printMipsReginfoData(W, O->getRegInfo()); |
| break; |
| default: |
| W.startLine() << "Unsupported MIPS options tag.\n"; |
| break; |
| } |
| Sec = Sec.slice(O->size); |
| } |
| } |
| |
| template <class ELFT> void ELFDumper<ELFT>::printStackMap() const { |
| const ELFFile<ELFT> *Obj = ObjF->getELFFile(); |
| const Elf_Shdr *StackMapSection = nullptr; |
| for (const auto &Sec : unwrapOrError(Obj->sections())) { |
| StringRef Name = unwrapOrError(Obj->getSectionName(&Sec)); |
| if (Name == ".llvm_stackmaps") { |
| StackMapSection = &Sec; |
| break; |
| } |
| } |
| |
| if (!StackMapSection) |
| return; |
| |
| ArrayRef<uint8_t> StackMapContentsArray = |
| unwrapOrError(Obj->getSectionContents(StackMapSection)); |
| |
| prettyPrintStackMap( |
| W, StackMapParser<ELFT::TargetEndianness>(StackMapContentsArray)); |
| } |
| |
| template <class ELFT> void ELFDumper<ELFT>::printGroupSections() { |
| ELFDumperStyle->printGroupSections(ObjF->getELFFile()); |
| } |
| |
| template <class ELFT> void ELFDumper<ELFT>::printAddrsig() { |
| ELFDumperStyle->printAddrsig(ObjF->getELFFile()); |
| } |
| |
| static inline void printFields(formatted_raw_ostream &OS, StringRef Str1, |
| StringRef Str2) { |
| OS.PadToColumn(2u); |
| OS << Str1; |
| OS.PadToColumn(37u); |
| OS << Str2 << "\n"; |
| OS.flush(); |
| } |
| |
| template <class ELFT> |
| static std::string getSectionHeadersNumString(const ELFFile<ELFT> *Obj) { |
| const typename ELFT::Ehdr *ElfHeader = Obj->getHeader(); |
| if (ElfHeader->e_shnum != 0) |
| return to_string(ElfHeader->e_shnum); |
| |
| ArrayRef<typename ELFT::Shdr> Arr = unwrapOrError(Obj->sections()); |
| if (Arr.empty()) |
| return "0"; |
| return "0 (" + to_string(Arr[0].sh_size) + ")"; |
| } |
| |
| template <class ELFT> |
| static std::string getSectionHeaderTableIndexString(const ELFFile<ELFT> *Obj) { |
| const typename ELFT::Ehdr *ElfHeader = Obj->getHeader(); |
| if (ElfHeader->e_shstrndx != SHN_XINDEX) |
| return to_string(ElfHeader->e_shstrndx); |
| |
| ArrayRef<typename ELFT::Shdr> Arr = unwrapOrError(Obj->sections()); |
| if (Arr.empty()) |
| return "65535 (corrupt: out of range)"; |
| return to_string(ElfHeader->e_shstrndx) + " (" + to_string(Arr[0].sh_link) + ")"; |
| } |
| |
| template <class ELFT> void GNUStyle<ELFT>::printFileHeaders(const ELFO *Obj) { |
| const Elf_Ehdr *e = Obj->getHeader(); |
| OS << "ELF Header:\n"; |
| OS << " Magic: "; |
| std::string Str; |
| for (int i = 0; i < ELF::EI_NIDENT; i++) |
| OS << format(" %02x", static_cast<int>(e->e_ident[i])); |
| OS << "\n"; |
| Str = printEnum(e->e_ident[ELF::EI_CLASS], makeArrayRef(ElfClass)); |
| printFields(OS, "Class:", Str); |
| Str = printEnum(e->e_ident[ELF::EI_DATA], makeArrayRef(ElfDataEncoding)); |
| printFields(OS, "Data:", Str); |
| OS.PadToColumn(2u); |
| OS << "Version:"; |
| OS.PadToColumn(37u); |
| OS << to_hexString(e->e_ident[ELF::EI_VERSION]); |
| if (e->e_version == ELF::EV_CURRENT) |
| OS << " (current)"; |
| OS << "\n"; |
| Str = printEnum(e->e_ident[ELF::EI_OSABI], makeArrayRef(ElfOSABI)); |
| printFields(OS, "OS/ABI:", Str); |
| Str = "0x" + to_hexString(e->e_ident[ELF::EI_ABIVERSION]); |
| printFields(OS, "ABI Version:", Str); |
| Str = printEnum(e->e_type, makeArrayRef(ElfObjectFileType)); |
| printFields(OS, "Type:", Str); |
| Str = printEnum(e->e_machine, makeArrayRef(ElfMachineType)); |
| printFields(OS, "Machine:", Str); |
| Str = "0x" + to_hexString(e->e_version); |
| printFields(OS, "Version:", Str); |
| Str = "0x" + to_hexString(e->e_entry); |
| printFields(OS, "Entry point address:", Str); |
| Str = to_string(e->e_phoff) + " (bytes into file)"; |
| printFields(OS, "Start of program headers:", Str); |
| Str = to_string(e->e_shoff) + " (bytes into file)"; |
| printFields(OS, "Start of section headers:", Str); |
| std::string ElfFlags; |
| if (e->e_machine == EM_MIPS) |
| ElfFlags = |
| printFlags(e->e_flags, makeArrayRef(ElfHeaderMipsFlags), |
| unsigned(ELF::EF_MIPS_ARCH), unsigned(ELF::EF_MIPS_ABI), |
| unsigned(ELF::EF_MIPS_MACH)); |
| else if (e->e_machine == EM_RISCV) |
| ElfFlags = printFlags(e->e_flags, makeArrayRef(ElfHeaderRISCVFlags)); |
| Str = "0x" + to_hexString(e->e_flags); |
| if (!ElfFlags.empty()) |
| Str = Str + ", " + ElfFlags; |
| printFields(OS, "Flags:", Str); |
| Str = to_string(e->e_ehsize) + " (bytes)"; |
| printFields(OS, "Size of this header:", Str); |
| Str = to_string(e->e_phentsize) + " (bytes)"; |
| printFields(OS, "Size of program headers:", Str); |
| Str = to_string(e->e_phnum); |
| printFields(OS, "Number of program headers:", Str); |
| Str = to_string(e->e_shentsize) + " (bytes)"; |
| printFields(OS, "Size of section headers:", Str); |
| Str = getSectionHeadersNumString(Obj); |
| printFields(OS, "Number of section headers:", Str); |
| Str = getSectionHeaderTableIndexString(Obj); |
| printFields(OS, "Section header string table index:", Str); |
| } |
| |
| namespace { |
| struct GroupMember { |
| StringRef Name; |
| uint64_t Index; |
| }; |
| |
| struct GroupSection { |
| StringRef Name; |
| std::string Signature; |
| uint64_t ShName; |
| uint64_t Index; |
| uint32_t Link; |
| uint32_t Info; |
| uint32_t Type; |
| std::vector<GroupMember> Members; |
| }; |
| |
| template <class ELFT> |
| std::vector<GroupSection> getGroups(const ELFFile<ELFT>
|