/build/llvm-toolchain-snapshot-15~++20220420111733+e13d2efed663/llvm/tools/llvm-readobj/ELFDumper.cpp

Bug Summary

File:	build/llvm-toolchain-snapshot-15~++20220420111733+e13d2efed663/llvm/tools/llvm-readobj/ELFDumper.cpp
Warning:	line 926, column 20 Branch condition evaluates to a garbage value
Annotated Source Code

Press '?' to see keyboard shortcuts
Show analyzer invocation
clang -cc1 -cc1 -triple x86_64-pc-linux-gnu -analyze -disable-free -clear-ast-before-backend -disable-llvm-verifier -discard-value-names -main-file-name ELFDumper.cpp -analyzer-store=region -analyzer-opt-analyze-nested-blocks -analyzer-checker=core -analyzer-checker=apiModeling -analyzer-checker=unix -analyzer-checker=deadcode -analyzer-checker=cplusplus -analyzer-checker=security.insecureAPI.UncheckedReturn -analyzer-checker=security.insecureAPI.getpw -analyzer-checker=security.insecureAPI.gets -analyzer-checker=security.insecureAPI.mktemp -analyzer-checker=security.insecureAPI.mkstemp -analyzer-checker=security.insecureAPI.vfork -analyzer-checker=nullability.NullPassedToNonnull -analyzer-checker=nullability.NullReturnedFromNonnull -analyzer-output plist -w -setup-static-analyzer -analyzer-config-compatibility-mode=true -mrelocation-model pic -pic-level 2 -mframe-pointer=none -fmath-errno -ffp-contract=on -fno-rounding-math -mconstructor-aliases -funwind-tables=2 -target-cpu x86-64 -tune-cpu generic -debugger-tuning=gdb -ffunction-sections -fdata-sections -fcoverage-compilation-dir=/build/llvm-toolchain-snapshot-15~++20220420111733+e13d2efed663/build-llvm -resource-dir /usr/lib/llvm-15/lib/clang/15.0.0 -D _DEBUG -D _GNU_SOURCE -D __STDC_CONSTANT_MACROS -D __STDC_FORMAT_MACROS -D __STDC_LIMIT_MACROS -I tools/llvm-readobj -I /build/llvm-toolchain-snapshot-15~++20220420111733+e13d2efed663/llvm/tools/llvm-readobj -I include -I /build/llvm-toolchain-snapshot-15~++20220420111733+e13d2efed663/llvm/include -D _FORTIFY_SOURCE=2 -D NDEBUG -U NDEBUG -internal-isystem /usr/lib/gcc/x86_64-linux-gnu/10/../../../../include/c++/10 -internal-isystem /usr/lib/gcc/x86_64-linux-gnu/10/../../../../include/x86_64-linux-gnu/c++/10 -internal-isystem /usr/lib/gcc/x86_64-linux-gnu/10/../../../../include/c++/10/backward -internal-isystem /usr/lib/llvm-15/lib/clang/15.0.0/include -internal-isystem /usr/local/include -internal-isystem /usr/lib/gcc/x86_64-linux-gnu/10/../../../../x86_64-linux-gnu/include -internal-externc-isystem /usr/include/x86_64-linux-gnu -internal-externc-isystem /include -internal-externc-isystem /usr/include -fmacro-prefix-map=/build/llvm-toolchain-snapshot-15~++20220420111733+e13d2efed663/build-llvm=build-llvm -fmacro-prefix-map=/build/llvm-toolchain-snapshot-15~++20220420111733+e13d2efed663/= -fcoverage-prefix-map=/build/llvm-toolchain-snapshot-15~++20220420111733+e13d2efed663/build-llvm=build-llvm -fcoverage-prefix-map=/build/llvm-toolchain-snapshot-15~++20220420111733+e13d2efed663/= -O3 -Wno-unused-command-line-argument -Wno-unused-parameter -Wwrite-strings -Wno-missing-field-initializers -Wno-long-long -Wno-maybe-uninitialized -Wno-class-memaccess -Wno-redundant-move -Wno-pessimizing-move -Wno-noexcept-type -Wno-comment -std=c++14 -fdeprecated-macro -fdebug-compilation-dir=/build/llvm-toolchain-snapshot-15~++20220420111733+e13d2efed663/build-llvm -fdebug-prefix-map=/build/llvm-toolchain-snapshot-15~++20220420111733+e13d2efed663/build-llvm=build-llvm -fdebug-prefix-map=/build/llvm-toolchain-snapshot-15~++20220420111733+e13d2efed663/= -ferror-limit 19 -fvisibility-inlines-hidden -stack-protector 2 -fgnuc-version=4.2.1 -fcolor-diagnostics -vectorize-loops -vectorize-slp -analyzer-output=html -analyzer-config stable-report-filename=true -faddrsig -D__GCC_HAVE_DWARF2_CFI_ASM=1 -o /tmp/scan-build-2022-04-20-140412-16051-1 -x c++ /build/llvm-toolchain-snapshot-15~++20220420111733+e13d2efed663/llvm/tools/llvm-readobj/ELFDumper.cpp
1//===- ELFDumper.cpp - ELF-specific dumper --------------------------------===//
2//
3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4// See https://llvm.org/LICENSE.txt for license information.
5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6//
7//===----------------------------------------------------------------------===//
8///
9/// \file
10/// This file implements the ELF-specific dumper for llvm-readobj.
11///
12//===----------------------------------------------------------------------===//

14#include "ARMEHABIPrinter.h"
15#include "DwarfCFIEHPrinter.h"
16#include "ObjDumper.h"
17#include "StackMapPrinter.h"
18#include "llvm-readobj.h"
19#include "llvm/ADT/ArrayRef.h"
20#include "llvm/ADT/BitVector.h"
21#include "llvm/ADT/DenseMap.h"
22#include "llvm/ADT/DenseSet.h"
23#include "llvm/ADT/MapVector.h"
24#include "llvm/ADT/Optional.h"
25#include "llvm/ADT/PointerIntPair.h"
26#include "llvm/ADT/STLExtras.h"
27#include "llvm/ADT/SmallString.h"
28#include "llvm/ADT/SmallVector.h"
29#include "llvm/ADT/StringExtras.h"
30#include "llvm/ADT/StringRef.h"
31#include "llvm/ADT/Twine.h"
32#include "llvm/BinaryFormat/AMDGPUMetadataVerifier.h"
33#include "llvm/BinaryFormat/ELF.h"
34#include "llvm/BinaryFormat/MsgPackDocument.h"
35#include "llvm/Demangle/Demangle.h"
36#include "llvm/Object/Archive.h"
37#include "llvm/Object/ELF.h"
38#include "llvm/Object/ELFObjectFile.h"
39#include "llvm/Object/ELFTypes.h"
40#include "llvm/Object/Error.h"
41#include "llvm/Object/ObjectFile.h"
42#include "llvm/Object/RelocationResolver.h"
43#include "llvm/Object/StackMapParser.h"
44#include "llvm/Support/AMDGPUMetadata.h"
45#include "llvm/Support/ARMAttributeParser.h"
46#include "llvm/Support/ARMBuildAttributes.h"
47#include "llvm/Support/Casting.h"
48#include "llvm/Support/Compiler.h"
49#include "llvm/Support/Endian.h"
50#include "llvm/Support/ErrorHandling.h"
51#include "llvm/Support/Format.h"
52#include "llvm/Support/FormatVariadic.h"
53#include "llvm/Support/FormattedStream.h"
54#include "llvm/Support/LEB128.h"
55#include "llvm/Support/MSP430AttributeParser.h"
56#include "llvm/Support/MSP430Attributes.h"
57#include "llvm/Support/MathExtras.h"
58#include "llvm/Support/MipsABIFlags.h"
59#include "llvm/Support/RISCVAttributeParser.h"
60#include "llvm/Support/RISCVAttributes.h"
61#include "llvm/Support/ScopedPrinter.h"
62#include "llvm/Support/raw_ostream.h"
63#include <algorithm>
64#include <cinttypes>
65#include <cstddef>
66#include <cstdint>
67#include <cstdlib>
68#include <iterator>
69#include <memory>
70#include <string>
71#include <system_error>
72#include <vector>

74using namespace llvm;
75using namespace llvm::object;
76using namespace ELF;

78#define LLVM_READOBJ_ENUM_CASE(ns, enum)case ns::enum: return "enum";                                       \
case ns::enum:                                                               \
  return #enum;

82#define ENUM_ENT(enum, altName){ "enum", altName, ELF::enum }                                                \
{ #enum, altName, ELF::enum }

85#define ENUM_ENT_1(enum){ "enum", "enum", ELF::enum }                                                       \
{ #enum, #enum, ELF::enum }

88namespace {

90template <class ELFT> struct RelSymbol {
RelSymbol(const typename ELFT::Sym *S, StringRef N)
    : Sym(S), Name(N.str()) {}
const typename ELFT::Sym *Sym;
std::string Name;
95};

97/// Represents a contiguous uniform range in the file. We cannot just create a
98/// range directly because when creating one of these from the .dynamic table
99/// the size, entity size and virtual address are different entries in arbitrary
100/// order (DT_REL, DT_RELSZ, DT_RELENT for example).
101struct DynRegionInfo {
DynRegionInfo(const Binary &Owner, const ObjDumper &D)
    : Obj(&Owner), Dumper(&D) {}
DynRegionInfo(const Binary &Owner, const ObjDumper &D, const uint8_t *A,
              uint64_t S, uint64_t ES)
    : Addr(A), Size(S), EntSize(ES), Obj(&Owner), Dumper(&D) {}

/// Address in current address space.
const uint8_t *Addr = nullptr;
/// Size in bytes of the region.
uint64_t Size = 0;
/// Size of each entity in the region.
uint64_t EntSize = 0;

/// Owner object. Used for error reporting.
const Binary *Obj;
/// Dumper used for error reporting.
const ObjDumper *Dumper;
/// Error prefix. Used for error reporting to provide more information.
std::string Context;
/// Region size name. Used for error reporting.
StringRef SizePrintName = "size";
/// Entry size name. Used for error reporting. If this field is empty, errors
/// will not mention the entry size.
StringRef EntSizePrintName = "entry size";

template <typename Type> ArrayRef<Type> getAsArrayRef() const {
  const Type *Start = reinterpret_cast<const Type *>(Addr);
  if (!Start)
    return {Start, Start};

  const uint64_t Offset =
      Addr - (const uint8_t *)Obj->getMemoryBufferRef().getBufferStart();
  const uint64_t ObjSize = Obj->getMemoryBufferRef().getBufferSize();

  if (Size > ObjSize - Offset) {
    Dumper->reportUniqueWarning(
        "unable to read data at 0x" + Twine::utohexstr(Offset) +
        " of size 0x" + Twine::utohexstr(Size) + " (" + SizePrintName +
        "): it goes past the end of the file of size 0x" +
        Twine::utohexstr(ObjSize));
    return {Start, Start};
  }

  if (EntSize == sizeof(Type) && (Size % EntSize == 0))
    return {Start, Start + (Size / EntSize)};

  std::string Msg;
  if (!Context.empty())
    Msg += Context + " has ";

  Msg += ("invalid " + SizePrintName + " (0x" + Twine::utohexstr(Size) + ")")
             .str();
  if (!EntSizePrintName.empty())
    Msg +=
        (" or " + EntSizePrintName + " (0x" + Twine::utohexstr(EntSize) + ")")
            .str();

  Dumper->reportUniqueWarning(Msg);
  return {Start, Start};
}
162};

164struct GroupMember {
StringRef Name;
uint64_t Index;
167};

169struct 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;
178};

180namespace {

182struct NoteType {
uint32_t ID;
StringRef Name;
185};

187} // namespace

189template <class ELFT> class Relocation {
190public:
Relocation(const typename ELFT::Rel &R, bool IsMips64EL)
    : Type(R.getType(IsMips64EL)), Symbol(R.getSymbol(IsMips64EL)),
      Offset(R.r_offset), Info(R.r_info) {}

Relocation(const typename ELFT::Rela &R, bool IsMips64EL)
    : Relocation((const typename ELFT::Rel &)R, IsMips64EL) {
  Addend = R.r_addend;
}

uint32_t Type;
uint32_t Symbol;
typename ELFT::uint Offset;
typename ELFT::uint Info;
Optional<int64_t> Addend;
205};

207template <class ELFT> class MipsGOTParser;

209template <typename ELFT> class ELFDumper : public ObjDumper {
LLVM_ELF_IMPORT_TYPES_ELFT(ELFT)using Elf_Addr = typename ELFT::Addr; using Elf_Off = typename
 ELFT::Off; using Elf_Half = typename ELFT::Half; using Elf_Word
 = typename ELFT::Word; using Elf_Sword = typename ELFT::Sword
; using Elf_Xword = typename ELFT::Xword; using Elf_Sxword = typename
 ELFT::Sxword; using uintX_t = typename ELFT::uint; using Elf_Ehdr
 = typename ELFT::Ehdr; using Elf_Shdr = typename ELFT::Shdr;
 using Elf_Sym = typename ELFT::Sym; using Elf_Dyn = typename
 ELFT::Dyn; using Elf_Phdr = typename ELFT::Phdr; using Elf_Rel
 = typename ELFT::Rel; using Elf_Rela = typename ELFT::Rela; using
 Elf_Relr = typename ELFT::Relr; using Elf_Verdef = typename ELFT
::Verdef; using Elf_Verdaux = typename ELFT::Verdaux; using Elf_Verneed
 = typename ELFT::Verneed; using Elf_Vernaux = typename ELFT::
Vernaux; using Elf_Versym = typename ELFT::Versym; using Elf_Hash
 = typename ELFT::Hash; using Elf_GnuHash = typename ELFT::GnuHash
; using Elf_Nhdr = typename ELFT::Nhdr; using Elf_Note = typename
 ELFT::Note; using Elf_Note_Iterator = typename ELFT::NoteIterator
; using Elf_CGProfile = typename ELFT::CGProfile; using Elf_Dyn_Range
 = typename ELFT::DynRange; using Elf_Shdr_Range = typename ELFT
::ShdrRange; using Elf_Sym_Range = typename ELFT::SymRange; using
 Elf_Rel_Range = typename ELFT::RelRange; using Elf_Rela_Range
 = typename ELFT::RelaRange; using Elf_Relr_Range = typename ELFT
::RelrRange; using Elf_Phdr_Range = typename ELFT::PhdrRange;

212public:
ELFDumper(const object::ELFObjectFile<ELFT> &ObjF, ScopedPrinter &Writer);

void printUnwindInfo() override;
void printNeededLibraries() override;
void printHashTable() override;
void printGnuHashTable() override;
void printLoadName() override;
void printVersionInfo() override;
void printArchSpecificInfo() override;
void printStackMap() const override;

const object::ELFObjectFile<ELFT> &getElfObject() const { return ObjF; };

std::string describe(const Elf_Shdr &Sec) const;

unsigned getHashTableEntSize() const {
  // EM_S390 and ELF::EM_ALPHA platforms use 8-bytes entries in SHT_HASH
  // sections. This violates the ELF specification.
  if (Obj.getHeader().e_machine == ELF::EM_S390 ||
      Obj.getHeader().e_machine == ELF::EM_ALPHA)
    return 8;
  return 4;
}

Elf_Dyn_Range dynamic_table() const {
  // 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.
  Elf_Dyn_Range Table = DynamicTable.template getAsArrayRef<Elf_Dyn>();

  size_t Size = 0;
  while (Size < Table.size())
    if (Table[Size++].getTag() == DT_NULL)
      break;

  return Table.slice(0, Size);
}

Elf_Sym_Range dynamic_symbols() const {
  if (!DynSymRegion)
    return Elf_Sym_Range();
  return DynSymRegion->template getAsArrayRef<Elf_Sym>();
}

const Elf_Shdr *findSectionByName(StringRef Name) const;

StringRef getDynamicStringTable() const { return DynamicStringTable; }

262protected:
virtual void printVersionSymbolSection(const Elf_Shdr *Sec) = 0;
virtual void printVersionDefinitionSection(const Elf_Shdr *Sec) = 0;
virtual void printVersionDependencySection(const Elf_Shdr *Sec) = 0;

void
printDependentLibsHelper(function_ref<void(const Elf_Shdr &)> OnSectionStart,
                         function_ref<void(StringRef, uint64_t)> OnLibEntry);

virtual void printRelRelaReloc(const Relocation<ELFT> &R,
                               const RelSymbol<ELFT> &RelSym) = 0;
virtual void printRelrReloc(const Elf_Relr &R) = 0;
virtual void printDynamicRelocHeader(unsigned Type, StringRef Name,
                                     const DynRegionInfo &Reg) {}
void printReloc(const Relocation<ELFT> &R, unsigned RelIndex,
                const Elf_Shdr &Sec, const Elf_Shdr *SymTab);
void printDynamicReloc(const Relocation<ELFT> &R);
void printDynamicRelocationsHelper();
void printRelocationsHelper(const Elf_Shdr &Sec);
void forEachRelocationDo(
    const Elf_Shdr &Sec, bool RawRelr,
    llvm::function_ref<void(const Relocation<ELFT> &, unsigned,
                            const Elf_Shdr &, const Elf_Shdr *)>
        RelRelaFn,
    llvm::function_ref<void(const Elf_Relr &)> RelrFn);

virtual void printSymtabMessage(const Elf_Shdr *Symtab, size_t Offset,
                                bool NonVisibilityBitsUsed) const {};
virtual void printSymbol(const Elf_Sym &Symbol, unsigned SymIndex,
                         DataRegion<Elf_Word> ShndxTable,
                         Optional<StringRef> StrTable, bool IsDynamic,
                         bool NonVisibilityBitsUsed) const = 0;

virtual void printMipsABIFlags() = 0;
virtual void printMipsGOT(const MipsGOTParser<ELFT> &Parser) = 0;
virtual void printMipsPLT(const MipsGOTParser<ELFT> &Parser) = 0;

Expected<ArrayRef<Elf_Versym>>
getVersionTable(const Elf_Shdr &Sec, ArrayRef<Elf_Sym> *SymTab,
                StringRef *StrTab, const Elf_Shdr **SymTabSec) const;
StringRef getPrintableSectionName(const Elf_Shdr &Sec) const;

std::vector<GroupSection> getGroups();

// Returns the function symbol index for the given address. Matches the
// symbol's section with FunctionSec when specified.
// Returns None if no function symbol can be found for the address or in case
// it is not defined in the specified section.
SmallVector<uint32_t>
getSymbolIndexesForFunctionAddress(uint64_t SymValue,
                                   Optional<const Elf_Shdr *> FunctionSec);
bool printFunctionStackSize(uint64_t SymValue,
                            Optional<const Elf_Shdr *> FunctionSec,
                            const Elf_Shdr &StackSizeSec, DataExtractor Data,
                            uint64_t *Offset);
void printStackSize(const Relocation<ELFT> &R, const Elf_Shdr &RelocSec,
                    unsigned Ndx, const Elf_Shdr *SymTab,
                    const Elf_Shdr *FunctionSec, const Elf_Shdr &StackSizeSec,
                    const RelocationResolver &Resolver, DataExtractor Data);
virtual void printStackSizeEntry(uint64_t Size,
                                 ArrayRef<std::string> FuncNames) = 0;

void printRelocatableStackSizes(std::function<void()> PrintHeader);
void printNonRelocatableStackSizes(std::function<void()> PrintHeader);

/// Retrieves sections with corresponding relocation sections based on
/// IsMatch.
void getSectionAndRelocations(
    std::function<bool(const Elf_Shdr &)> IsMatch,
    llvm::MapVector<const Elf_Shdr *, const Elf_Shdr *> &SecToRelocMap);

const object::ELFObjectFile<ELFT> &ObjF;
const ELFFile<ELFT> &Obj;
StringRef FileName;

Expected<DynRegionInfo> createDRI(uint64_t Offset, uint64_t Size,
                                  uint64_t EntSize) {
  if (Offset + Size < Offset || Offset + Size > Obj.getBufSize())
    return createError("offset (0x" + Twine::utohexstr(Offset) +
                       ") + size (0x" + Twine::utohexstr(Size) +
                       ") is greater than the file size (0x" +
                       Twine::utohexstr(Obj.getBufSize()) + ")");
  return DynRegionInfo(ObjF, *this, Obj.base() + Offset, Size, EntSize);
}

void printAttributes(unsigned, std::unique_ptr<ELFAttributeParser>,
                     support::endianness);
void printMipsReginfo();
void printMipsOptions();

std::pair<const Elf_Phdr *, const Elf_Shdr *> findDynamic();
void loadDynamicTable();
void parseDynamicTable();

Expected<StringRef> getSymbolVersion(const Elf_Sym &Sym,
                                     bool &IsDefault) const;
Expected<SmallVector<Optional<VersionEntry>, 0> *> getVersionMap() const;

DynRegionInfo DynRelRegion;
DynRegionInfo DynRelaRegion;
DynRegionInfo DynRelrRegion;
DynRegionInfo DynPLTRelRegion;
Optional<DynRegionInfo> DynSymRegion;
DynRegionInfo DynSymTabShndxRegion;
DynRegionInfo DynamicTable;
StringRef DynamicStringTable;
const Elf_Hash *HashTable = nullptr;
const Elf_GnuHash *GnuHashTable = nullptr;
const Elf_Shdr *DotSymtabSec = nullptr;
const Elf_Shdr *DotDynsymSec = nullptr;
const Elf_Shdr *DotAddrsigSec = nullptr;
DenseMap<const Elf_Shdr *, ArrayRef<Elf_Word>> ShndxTables;
Optional<uint64_t> SONameOffset;
Optional<DenseMap<uint64_t, std::vector<uint32_t>>> AddressToIndexMap;

const Elf_Shdr *SymbolVersionSection = nullptr;   // .gnu.version
const Elf_Shdr *SymbolVersionNeedSection = nullptr; // .gnu.version_r
const Elf_Shdr *SymbolVersionDefSection = nullptr; // .gnu.version_d

std::string getFullSymbolName(const Elf_Sym &Symbol, unsigned SymIndex,
                              DataRegion<Elf_Word> ShndxTable,
                              Optional<StringRef> StrTable,
                              bool IsDynamic) const;
Expected<unsigned>
getSymbolSectionIndex(const Elf_Sym &Symbol, unsigned SymIndex,
                      DataRegion<Elf_Word> ShndxTable) const;
Expected<StringRef> getSymbolSectionName(const Elf_Sym &Symbol,
                                         unsigned SectionIndex) const;
std::string getStaticSymbolName(uint32_t Index) const;
StringRef getDynamicString(uint64_t Value) const;

void printSymbolsHelper(bool IsDynamic) const;
std::string getDynamicEntry(uint64_t Type, uint64_t Value) const;

Expected<RelSymbol<ELFT>> getRelocationTarget(const Relocation<ELFT> &R,
                                              const Elf_Shdr *SymTab) const;

ArrayRef<Elf_Word> getShndxTable(const Elf_Shdr *Symtab) const;

401private:
mutable SmallVector<Optional<VersionEntry>, 0> VersionMap;
403};

405template <class ELFT>
406std::string ELFDumper<ELFT>::describe(const Elf_Shdr &Sec) const {
return ::describe(Obj, Sec);
408}

410namespace {

412template <class ELFT> struct SymtabLink {
typename ELFT::SymRange Symbols;
StringRef StringTable;
const typename ELFT::Shdr *SymTab;
416};

418// Returns the linked symbol table, symbols and associated string table for a
419// given section.
420template <class ELFT>
421Expected<SymtabLink<ELFT>> getLinkAsSymtab(const ELFFile<ELFT> &Obj,
                                         const typename ELFT::Shdr &Sec,
                                         unsigned ExpectedType) {
Expected<const typename ELFT::Shdr *> SymtabOrErr =
    Obj.getSection(Sec.sh_link);
if (!SymtabOrErr)
  return createError("invalid section linked to " + describe(Obj, Sec) +
                     ": " + toString(SymtabOrErr.takeError()));

if ((*SymtabOrErr)->sh_type != ExpectedType)
  return createError(
      "invalid section linked to " + describe(Obj, Sec) + ": expected " +
      object::getELFSectionTypeName(Obj.getHeader().e_machine, ExpectedType) +
      ", but got " +
      object::getELFSectionTypeName(Obj.getHeader().e_machine,
                                    (*SymtabOrErr)->sh_type));

Expected<StringRef> StrTabOrErr = Obj.getLinkAsStrtab(**SymtabOrErr);
if (!StrTabOrErr)
  return createError(
      "can't get a string table for the symbol table linked to " +
      describe(Obj, Sec) + ": " + toString(StrTabOrErr.takeError()));

Expected<typename ELFT::SymRange> SymsOrErr = Obj.symbols(*SymtabOrErr);
if (!SymsOrErr)
  return createError("unable to read symbols from the " + describe(Obj, Sec) +
                     ": " + toString(SymsOrErr.takeError()));

return SymtabLink<ELFT>{*SymsOrErr, *StrTabOrErr, *SymtabOrErr};
450}

452} // namespace

454template <class ELFT>
455Expected<ArrayRef<typename ELFT::Versym>>
456ELFDumper<ELFT>::getVersionTable(const Elf_Shdr &Sec, ArrayRef<Elf_Sym> *SymTab,
                               StringRef *StrTab,
                               const Elf_Shdr **SymTabSec) const {
assert((!SymTab && !StrTab && !SymTabSec) || (SymTab && StrTab && SymTabSec))(static_cast <bool> ((!SymTab && !StrTab &&
 !SymTabSec) || (SymTab && StrTab && SymTabSec
)) ? void (0) : __assert_fail ("(!SymTab && !StrTab && !SymTabSec) || (SymTab && StrTab && SymTabSec)"
, "llvm/tools/llvm-readobj/ELFDumper.cpp", 459, __extension__
 __PRETTY_FUNCTION__));
if (reinterpret_cast<uintptr_t>(Obj.base() + Sec.sh_offset) %
        sizeof(uint16_t) !=
    0)
  return createError("the " + describe(Sec) + " is misaligned");

Expected<ArrayRef<Elf_Versym>> VersionsOrErr =
    Obj.template getSectionContentsAsArray<Elf_Versym>(Sec);
if (!VersionsOrErr)
  return createError("cannot read content of " + describe(Sec) + ": " +
                     toString(VersionsOrErr.takeError()));

Expected<SymtabLink<ELFT>> SymTabOrErr =
    getLinkAsSymtab(Obj, Sec, SHT_DYNSYM);
if (!SymTabOrErr) {
  reportUniqueWarning(SymTabOrErr.takeError());
  return *VersionsOrErr;
}

if (SymTabOrErr->Symbols.size() != VersionsOrErr->size())
  reportUniqueWarning(describe(Sec) + ": the number of entries (" +
                      Twine(VersionsOrErr->size()) +
                      ") does not match the number of symbols (" +
                      Twine(SymTabOrErr->Symbols.size()) +
                      ") in the symbol table with index " +
                      Twine(Sec.sh_link));

if (SymTab) {
  *SymTab = SymTabOrErr->Symbols;
  *StrTab = SymTabOrErr->StringTable;
  *SymTabSec = SymTabOrErr->SymTab;
}
return *VersionsOrErr;
492}

494template <class ELFT>
495void ELFDumper<ELFT>::printSymbolsHelper(bool IsDynamic) const {
Optional<StringRef> StrTable;
size_t Entries = 0;
Elf_Sym_Range Syms(nullptr, nullptr);
const Elf_Shdr *SymtabSec = IsDynamic ? DotDynsymSec : DotSymtabSec;

if (IsDynamic) {
  StrTable = DynamicStringTable;
  Syms = dynamic_symbols();
  Entries = Syms.size();
} else if (DotSymtabSec) {
  if (Expected<StringRef> StrTableOrErr =
          Obj.getStringTableForSymtab(*DotSymtabSec))
    StrTable = *StrTableOrErr;
  else
    reportUniqueWarning(
        "unable to get the string table for the SHT_SYMTAB section: " +
        toString(StrTableOrErr.takeError()));

  if (Expected<Elf_Sym_Range> SymsOrErr = Obj.symbols(DotSymtabSec))
    Syms = *SymsOrErr;
  else
    reportUniqueWarning(
        "unable to read symbols from the SHT_SYMTAB section: " +
        toString(SymsOrErr.takeError()));
  Entries = DotSymtabSec->getEntityCount();
}
if (Syms.empty())
  return;

// The st_other field has 2 logical parts. The first two bits hold the symbol
// visibility (STV_*) and the remainder hold other platform-specific values.
bool NonVisibilityBitsUsed =
    llvm::any_of(Syms, [](const Elf_Sym &S) { return S.st_other & ~0x3; });

DataRegion<Elf_Word> ShndxTable =
    IsDynamic ? DataRegion<Elf_Word>(
                    (const Elf_Word *)this->DynSymTabShndxRegion.Addr,
                    this->getElfObject().getELFFile().end())
              : DataRegion<Elf_Word>(this->getShndxTable(SymtabSec));

printSymtabMessage(SymtabSec, Entries, NonVisibilityBitsUsed);
for (const Elf_Sym &Sym : Syms)
  printSymbol(Sym, &Sym - Syms.begin(), ShndxTable, StrTable, IsDynamic,
              NonVisibilityBitsUsed);
540}

542template <typename ELFT> class GNUELFDumper : public ELFDumper<ELFT> {
formatted_raw_ostream &OS;

545public:
LLVM_ELF_IMPORT_TYPES_ELFT(ELFT)using Elf_Addr = typename ELFT::Addr; using Elf_Off = typename
 ELFT::Off; using Elf_Half = typename ELFT::Half; using Elf_Word
 = typename ELFT::Word; using Elf_Sword = typename ELFT::Sword
; using Elf_Xword = typename ELFT::Xword; using Elf_Sxword = typename
 ELFT::Sxword; using uintX_t = typename ELFT::uint; using Elf_Ehdr
 = typename ELFT::Ehdr; using Elf_Shdr = typename ELFT::Shdr;
 using Elf_Sym = typename ELFT::Sym; using Elf_Dyn = typename
 ELFT::Dyn; using Elf_Phdr = typename ELFT::Phdr; using Elf_Rel
 = typename ELFT::Rel; using Elf_Rela = typename ELFT::Rela; using
 Elf_Relr = typename ELFT::Relr; using Elf_Verdef = typename ELFT
::Verdef; using Elf_Verdaux = typename ELFT::Verdaux; using Elf_Verneed
 = typename ELFT::Verneed; using Elf_Vernaux = typename ELFT::
Vernaux; using Elf_Versym = typename ELFT::Versym; using Elf_Hash
 = typename ELFT::Hash; using Elf_GnuHash = typename ELFT::GnuHash
; using Elf_Nhdr = typename ELFT::Nhdr; using Elf_Note = typename
 ELFT::Note; using Elf_Note_Iterator = typename ELFT::NoteIterator
; using Elf_CGProfile = typename ELFT::CGProfile; using Elf_Dyn_Range
 = typename ELFT::DynRange; using Elf_Shdr_Range = typename ELFT
::ShdrRange; using Elf_Sym_Range = typename ELFT::SymRange; using
 Elf_Rel_Range = typename ELFT::RelRange; using Elf_Rela_Range
 = typename ELFT::RelaRange; using Elf_Relr_Range = typename ELFT
::RelrRange; using Elf_Phdr_Range = typename ELFT::PhdrRange;

GNUELFDumper(const object::ELFObjectFile<ELFT> &ObjF, ScopedPrinter &Writer)
    : ELFDumper<ELFT>(ObjF, Writer),
      OS(static_cast<formatted_raw_ostream &>(Writer.getOStream())) {
  assert(&this->W.getOStream() == &llvm::fouts())(static_cast <bool> (&this->W.getOStream() == &
llvm::fouts()) ? void (0) : __assert_fail ("&this->W.getOStream() == &llvm::fouts()"
, "llvm/tools/llvm-readobj/ELFDumper.cpp", 551, __extension__
 __PRETTY_FUNCTION__));
}

void printFileSummary(StringRef FileStr, ObjectFile &Obj,
                      ArrayRef<std::string> InputFilenames,
                      const Archive *A) override;
void printFileHeaders() override;
void printGroupSections() override;
void printRelocations() override;
void printSectionHeaders() override;
void printSymbols(bool PrintSymbols, bool PrintDynamicSymbols) override;
void printHashSymbols() override;
void printSectionDetails() override;
void printDependentLibs() override;
void printDynamicTable() override;
void printDynamicRelocations() override;
void printSymtabMessage(const Elf_Shdr *Symtab, size_t Offset,
                        bool NonVisibilityBitsUsed) const override;
void printProgramHeaders(bool PrintProgramHeaders,
                         cl::boolOrDefault PrintSectionMapping) override;
void printVersionSymbolSection(const Elf_Shdr *Sec) override;
void printVersionDefinitionSection(const Elf_Shdr *Sec) override;
void printVersionDependencySection(const Elf_Shdr *Sec) override;
void printHashHistograms() override;
void printCGProfile() override;
void printBBAddrMaps() override;
void printAddrsig() override;
void printNotes() override;
void printELFLinkerOptions() override;
void printStackSizes() override;

582private:
void printHashHistogram(const Elf_Hash &HashTable);
void printGnuHashHistogram(const Elf_GnuHash &GnuHashTable);
void printHashTableSymbols(const Elf_Hash &HashTable);
void printGnuHashTableSymbols(const Elf_GnuHash &GnuHashTable);

struct Field {
  std::string Str;
  unsigned Column;

  Field(StringRef S, unsigned Col) : Str(std::string(S)), Column(Col) {}
  Field(unsigned Col) : Column(Col) {}
};

template <typename T, typename TEnum>
std::string printFlags(T Value, ArrayRef<EnumEntry<TEnum>> EnumValues,
                       TEnum EnumMask1 = {}, TEnum EnumMask2 = {},
                       TEnum EnumMask3 = {}) const {
  std::string Str;
  for (const EnumEntry<TEnum> &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) const {
  if (F.Column != 0)
    OS.PadToColumn(F.Column);
  OS << F.Str;
  OS.flush();
  return OS;
}
void printHashedSymbol(const Elf_Sym *Sym, unsigned SymIndex,
                       DataRegion<Elf_Word> ShndxTable, StringRef StrTable,
                       uint32_t Bucket);
void printRelrReloc(const Elf_Relr &R) override;
void printRelRelaReloc(const Relocation<ELFT> &R,
                       const RelSymbol<ELFT> &RelSym) override;
void printSymbol(const Elf_Sym &Symbol, unsigned SymIndex,
                 DataRegion<Elf_Word> ShndxTable,
                 Optional<StringRef> StrTable, bool IsDynamic,
                 bool NonVisibilityBitsUsed) const override;
void printDynamicRelocHeader(unsigned Type, StringRef Name,
                             const DynRegionInfo &Reg) override;

std::string getSymbolSectionNdx(const Elf_Sym &Symbol, unsigned SymIndex,
                                DataRegion<Elf_Word> ShndxTable) const;
void printProgramHeaders() override;
void printSectionMapping() override;
void printGNUVersionSectionProlog(const typename ELFT::Shdr &Sec,
                                  const Twine &Label, unsigned EntriesNum);

void printStackSizeEntry(uint64_t Size,
                         ArrayRef<std::string> FuncNames) override;

void printMipsGOT(const MipsGOTParser<ELFT> &Parser) override;
void printMipsPLT(const MipsGOTParser<ELFT> &Parser) override;
void printMipsABIFlags() override;
656};

658template <typename ELFT> class LLVMELFDumper : public ELFDumper<ELFT> {
659public:
LLVM_ELF_IMPORT_TYPES_ELFT(ELFT)using Elf_Addr = typename ELFT::Addr; using Elf_Off = typename
 ELFT::Off; using Elf_Half = typename ELFT::Half; using Elf_Word
 = typename ELFT::Word; using Elf_Sword = typename ELFT::Sword
; using Elf_Xword = typename ELFT::Xword; using Elf_Sxword = typename
 ELFT::Sxword; using uintX_t = typename ELFT::uint; using Elf_Ehdr
 = typename ELFT::Ehdr; using Elf_Shdr = typename ELFT::Shdr;
 using Elf_Sym = typename ELFT::Sym; using Elf_Dyn = typename
 ELFT::Dyn; using Elf_Phdr = typename ELFT::Phdr; using Elf_Rel
 = typename ELFT::Rel; using Elf_Rela = typename ELFT::Rela; using
 Elf_Relr = typename ELFT::Relr; using Elf_Verdef = typename ELFT
::Verdef; using Elf_Verdaux = typename ELFT::Verdaux; using Elf_Verneed
 = typename ELFT::Verneed; using Elf_Vernaux = typename ELFT::
Vernaux; using Elf_Versym = typename ELFT::Versym; using Elf_Hash
 = typename ELFT::Hash; using Elf_GnuHash = typename ELFT::GnuHash
; using Elf_Nhdr = typename ELFT::Nhdr; using Elf_Note = typename
 ELFT::Note; using Elf_Note_Iterator = typename ELFT::NoteIterator
; using Elf_CGProfile = typename ELFT::CGProfile; using Elf_Dyn_Range
 = typename ELFT::DynRange; using Elf_Shdr_Range = typename ELFT
::ShdrRange; using Elf_Sym_Range = typename ELFT::SymRange; using
 Elf_Rel_Range = typename ELFT::RelRange; using Elf_Rela_Range
 = typename ELFT::RelaRange; using Elf_Relr_Range = typename ELFT
::RelrRange; using Elf_Phdr_Range = typename ELFT::PhdrRange;

LLVMELFDumper(const object::ELFObjectFile<ELFT> &ObjF, ScopedPrinter &Writer)
    : ELFDumper<ELFT>(ObjF, Writer), W(Writer) {}

void printFileHeaders() override;
void printGroupSections() override;
void printRelocations() override;
void printSectionHeaders() override;
void printSymbols(bool PrintSymbols, bool PrintDynamicSymbols) override;
void printDependentLibs() override;
void printDynamicTable() override;
void printDynamicRelocations() override;
void printProgramHeaders(bool PrintProgramHeaders,
                         cl::boolOrDefault PrintSectionMapping) override;
void printVersionSymbolSection(const Elf_Shdr *Sec) override;
void printVersionDefinitionSection(const Elf_Shdr *Sec) override;
void printVersionDependencySection(const Elf_Shdr *Sec) override;
void printHashHistograms() override;
void printCGProfile() override;
void printBBAddrMaps() override;
void printAddrsig() override;
void printNotes() override;
void printELFLinkerOptions() override;
void printStackSizes() override;

686private:
void printRelrReloc(const Elf_Relr &R) override;
void printRelRelaReloc(const Relocation<ELFT> &R,
                       const RelSymbol<ELFT> &RelSym) override;

void printSymbolSection(const Elf_Sym &Symbol, unsigned SymIndex,
                        DataRegion<Elf_Word> ShndxTable) const;
void printSymbol(const Elf_Sym &Symbol, unsigned SymIndex,
                 DataRegion<Elf_Word> ShndxTable,
                 Optional<StringRef> StrTable, bool IsDynamic,
                 bool /*NonVisibilityBitsUsed*/) const override;
void printProgramHeaders() override;
void printSectionMapping() override {}
void printStackSizeEntry(uint64_t Size,
                         ArrayRef<std::string> FuncNames) override;

void printMipsGOT(const MipsGOTParser<ELFT> &Parser) override;
void printMipsPLT(const MipsGOTParser<ELFT> &Parser) override;
void printMipsABIFlags() override;

706protected:
ScopedPrinter &W;
708};

710// JSONELFDumper shares most of the same implementation as LLVMELFDumper except
711// it uses a JSONScopedPrinter.
712template <typename ELFT> class JSONELFDumper : public LLVMELFDumper<ELFT> {
713public:
LLVM_ELF_IMPORT_TYPES_ELFT(ELFT)using Elf_Addr = typename ELFT::Addr; using Elf_Off = typename
 ELFT::Off; using Elf_Half = typename ELFT::Half; using Elf_Word
 = typename ELFT::Word; using Elf_Sword = typename ELFT::Sword
; using Elf_Xword = typename ELFT::Xword; using Elf_Sxword = typename
 ELFT::Sxword; using uintX_t = typename ELFT::uint; using Elf_Ehdr
 = typename ELFT::Ehdr; using Elf_Shdr = typename ELFT::Shdr;
 using Elf_Sym = typename ELFT::Sym; using Elf_Dyn = typename
 ELFT::Dyn; using Elf_Phdr = typename ELFT::Phdr; using Elf_Rel
 = typename ELFT::Rel; using Elf_Rela = typename ELFT::Rela; using
 Elf_Relr = typename ELFT::Relr; using Elf_Verdef = typename ELFT
::Verdef; using Elf_Verdaux = typename ELFT::Verdaux; using Elf_Verneed
 = typename ELFT::Verneed; using Elf_Vernaux = typename ELFT::
Vernaux; using Elf_Versym = typename ELFT::Versym; using Elf_Hash
 = typename ELFT::Hash; using Elf_GnuHash = typename ELFT::GnuHash
; using Elf_Nhdr = typename ELFT::Nhdr; using Elf_Note = typename
 ELFT::Note; using Elf_Note_Iterator = typename ELFT::NoteIterator
; using Elf_CGProfile = typename ELFT::CGProfile; using Elf_Dyn_Range
 = typename ELFT::DynRange; using Elf_Shdr_Range = typename ELFT
::ShdrRange; using Elf_Sym_Range = typename ELFT::SymRange; using
 Elf_Rel_Range = typename ELFT::RelRange; using Elf_Rela_Range
 = typename ELFT::RelaRange; using Elf_Relr_Range = typename ELFT
::RelrRange; using Elf_Phdr_Range = typename ELFT::PhdrRange;

JSONELFDumper(const object::ELFObjectFile<ELFT> &ObjF, ScopedPrinter &Writer)
    : LLVMELFDumper<ELFT>(ObjF, Writer) {}

void printFileSummary(StringRef FileStr, ObjectFile &Obj,
                      ArrayRef<std::string> InputFilenames,
                      const Archive *A) override;

723private:
std::unique_ptr<DictScope> FileScope;
725};

727} // end anonymous namespace

729namespace llvm {

731template <class ELFT>
732static std::unique_ptr<ObjDumper>
733createELFDumper(const ELFObjectFile<ELFT> &Obj, ScopedPrinter &Writer) {
if (opts::Output == opts::GNU)
  return std::make_unique<GNUELFDumper<ELFT>>(Obj, Writer);
else if (opts::Output == opts::JSON)
  return std::make_unique<JSONELFDumper<ELFT>>(Obj, Writer);
return std::make_unique<LLVMELFDumper<ELFT>>(Obj, Writer);
739}

741std::unique_ptr<ObjDumper> createELFDumper(const object::ELFObjectFileBase &Obj,
                                         ScopedPrinter &Writer) {
// Little-endian 32-bit
if (const ELF32LEObjectFile *ELFObj = dyn_cast<ELF32LEObjectFile>(&Obj))
  return createELFDumper(*ELFObj, Writer);

// Big-endian 32-bit
if (const ELF32BEObjectFile *ELFObj = dyn_cast<ELF32BEObjectFile>(&Obj))
  return createELFDumper(*ELFObj, Writer);

// Little-endian 64-bit
if (const ELF64LEObjectFile *ELFObj = dyn_cast<ELF64LEObjectFile>(&Obj))
  return createELFDumper(*ELFObj, Writer);

// Big-endian 64-bit
return createELFDumper(*cast<ELF64BEObjectFile>(&Obj), Writer);
757}

759} // end namespace llvm

761template <class ELFT>
762Expected<SmallVector<Optional<VersionEntry>, 0> *>
763ELFDumper<ELFT>::getVersionMap() const {
// If the VersionMap has already been loaded or if there is no dynamic symtab
// or version table, there is nothing to do.
if (!VersionMap.empty() || !DynSymRegion || !SymbolVersionSection)
  return &VersionMap;

Expected<SmallVector<Optional<VersionEntry>, 0>> MapOrErr =
    Obj.loadVersionMap(SymbolVersionNeedSection, SymbolVersionDefSection);
if (MapOrErr)
  VersionMap = *MapOrErr;
else
  return MapOrErr.takeError();

return &VersionMap;
777}

779template <typename ELFT>
780Expected<StringRef> ELFDumper<ELFT>::getSymbolVersion(const Elf_Sym &Sym,
                                                    bool &IsDefault) const {
// This is a dynamic symbol. Look in the GNU symbol version table.
if (!SymbolVersionSection) {
31
←
Assuming field 'SymbolVersionSection' is non-null→
  // No version table.
  IsDefault = false;
  return "";
}

assert(DynSymRegion && "DynSymRegion has not been initialised")(static_cast <bool> (DynSymRegion && "DynSymRegion has not been initialised"
) ? void (0) : __assert_fail ("DynSymRegion && \"DynSymRegion has not been initialised\""
, "llvm/tools/llvm-readobj/ELFDumper.cpp", 789, __extension__
 __PRETTY_FUNCTION__));
32
←
Taking false branch→
33
←
'?' condition is true→
// 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.
Expected<const Elf_Versym *> EntryOrErr =
    Obj.template getEntry<Elf_Versym>(*SymbolVersionSection, EntryIndex);
if (!EntryOrErr)
34
←
Taking true branch→
  return EntryOrErr.takeError();
35
←
Returning without writing to 'IsDefault'→

unsigned Version = (*EntryOrErr)->vs_index;
if (Version == VER_NDX_LOCAL || Version == VER_NDX_GLOBAL) {
  IsDefault = false;
  return "";
}

Expected<SmallVector<Optional<VersionEntry>, 0> *> MapOrErr =
    getVersionMap();
if (!MapOrErr)
  return MapOrErr.takeError();

return Obj.getSymbolVersionByIndex(Version, IsDefault, **MapOrErr,
                                   Sym.st_shndx == ELF::SHN_UNDEF);
814}

816template <typename ELFT>
817Expected<RelSymbol<ELFT>>
818ELFDumper<ELFT>::getRelocationTarget(const Relocation<ELFT> &R,
                                   const Elf_Shdr *SymTab) const {
if (R.Symbol == 0)
  return RelSymbol<ELFT>(nullptr, "");

Expected<const Elf_Sym *> SymOrErr =
    Obj.template getEntry<Elf_Sym>(*SymTab, R.Symbol);
if (!SymOrErr)
  return createError("unable to read an entry with index " + Twine(R.Symbol) +
                     " from " + describe(*SymTab) + ": " +
                     toString(SymOrErr.takeError()));
const Elf_Sym *Sym = *SymOrErr;
if (!Sym)
  return RelSymbol<ELFT>(nullptr, "");

Expected<StringRef> StrTableOrErr = Obj.getStringTableForSymtab(*SymTab);
if (!StrTableOrErr)
  return StrTableOrErr.takeError();

const Elf_Sym *FirstSym =
    cantFail(Obj.template getEntry<Elf_Sym>(*SymTab, 0));
std::string SymbolName =
    getFullSymbolName(*Sym, Sym - FirstSym, getShndxTable(SymTab),
                      *StrTableOrErr, SymTab->sh_type == SHT_DYNSYM);
return RelSymbol<ELFT>(Sym, SymbolName);
843}

845template <typename ELFT>
846ArrayRef<typename ELFT::Word>
847ELFDumper<ELFT>::getShndxTable(const Elf_Shdr *Symtab) const {
if (Symtab) {
  auto It = ShndxTables.find(Symtab);
  if (It != ShndxTables.end())
    return It->second;
}
return {};
854}

856static std::string maybeDemangle(StringRef Name) {
return opts::Demangle ? demangle(std::string(Name)) : Name.str();
858}

860template <typename ELFT>
861std::string ELFDumper<ELFT>::getStaticSymbolName(uint32_t Index) const {
auto Warn = [&](Error E) -> std::string {
  reportUniqueWarning("unable to read the name of symbol with index " +
                      Twine(Index) + ": " + toString(std::move(E)));
  return "<?>";
};

Expected<const typename ELFT::Sym *> SymOrErr =
    Obj.getSymbol(DotSymtabSec, Index);
if (!SymOrErr)
  return Warn(SymOrErr.takeError());

Expected<StringRef> StrTabOrErr = Obj.getStringTableForSymtab(*DotSymtabSec);
if (!StrTabOrErr)
  return Warn(StrTabOrErr.takeError());

Expected<StringRef> NameOrErr = (*SymOrErr)->getName(*StrTabOrErr);
if (!NameOrErr)
  return Warn(NameOrErr.takeError());
return maybeDemangle(*NameOrErr);
881}

883template <typename ELFT>
884std::string ELFDumper<ELFT>::getFullSymbolName(const Elf_Sym &Symbol,
                                             unsigned SymIndex,
                                             DataRegion<Elf_Word> ShndxTable,
                                             Optional<StringRef> StrTable,
                                             bool IsDynamic) const {
if (!StrTable)
25
←
Taking false branch→
  return "<?>";

std::string SymbolName;
if (Expected<StringRef> NameOrErr = Symbol.getName(*StrTable)) {
26
←
Taking true branch→
  SymbolName = maybeDemangle(*NameOrErr);
} else {
  reportUniqueWarning(NameOrErr.takeError());
  return "<?>";
}

if (SymbolName.empty() && Symbol.getType() == ELF::STT_SECTION) {
27
←
Assuming the condition is false→
  Expected<unsigned> SectionIndex =
      getSymbolSectionIndex(Symbol, SymIndex, ShndxTable);
  if (!SectionIndex) {
    reportUniqueWarning(SectionIndex.takeError());
    return "<?>";
  }
  Expected<StringRef> NameOrErr = getSymbolSectionName(Symbol, *SectionIndex);
  if (!NameOrErr) {
    reportUniqueWarning(NameOrErr.takeError());
    return ("<section " + Twine(*SectionIndex) + ">").str();
  }
  return std::string(*NameOrErr);
}

if (!IsDynamic27.1
'IsDynamic' is true
)
28
←
Taking false branch→
  return SymbolName;

bool IsDefault;
29
←
'IsDefault' declared without an initial value→
Expected<StringRef> VersionOrErr = getSymbolVersion(Symbol, IsDefault);
30
←
Calling 'ELFDumper::getSymbolVersion'→
36
←
Returning from 'ELFDumper::getSymbolVersion'→
if (!VersionOrErr) {
37
←
Taking false branch→
  reportUniqueWarning(VersionOrErr.takeError());
  return SymbolName + "@<corrupt>";
}

if (!VersionOrErr->empty()) {
38
←
Assuming the condition is true→
39
←
Taking true branch→
  SymbolName += (IsDefault ? "@@" : "@");
40
←
Branch condition evaluates to a garbage value
  SymbolName += *VersionOrErr;
}
return SymbolName;
930}

932template <typename ELFT>
933Expected<unsigned>
934ELFDumper<ELFT>::getSymbolSectionIndex(const Elf_Sym &Symbol, unsigned SymIndex,
                                     DataRegion<Elf_Word> ShndxTable) const {
unsigned Ndx = Symbol.st_shndx;
if (Ndx == SHN_XINDEX)
  return object::getExtendedSymbolTableIndex<ELFT>(Symbol, SymIndex,
                                                   ShndxTable);
if (Ndx != SHN_UNDEF && Ndx < SHN_LORESERVE)
  return Ndx;

auto CreateErr = [&](const Twine &Name, Optional<unsigned> Offset = None) {
  std::string Desc;
  if (Offset)
    Desc = (Name + "+0x" + Twine::utohexstr(*Offset)).str();
  else
    Desc = Name.str();
  return createError(
      "unable to get section index for symbol with st_shndx = 0x" +
      Twine::utohexstr(Ndx) + " (" + Desc + ")");
};

if (Ndx >= ELF::SHN_LOPROC && Ndx <= ELF::SHN_HIPROC)
  return CreateErr("SHN_LOPROC", Ndx - ELF::SHN_LOPROC);
if (Ndx >= ELF::SHN_LOOS && Ndx <= ELF::SHN_HIOS)
  return CreateErr("SHN_LOOS", Ndx - ELF::SHN_LOOS);
if (Ndx == ELF::SHN_UNDEF)
  return CreateErr("SHN_UNDEF");
if (Ndx == ELF::SHN_ABS)
  return CreateErr("SHN_ABS");
if (Ndx == ELF::SHN_COMMON)
  return CreateErr("SHN_COMMON");
return CreateErr("SHN_LORESERVE", Ndx - SHN_LORESERVE);
965}

967template <typename ELFT>
968Expected<StringRef>
969ELFDumper<ELFT>::getSymbolSectionName(const Elf_Sym &Symbol,
                                    unsigned SectionIndex) const {
Expected<const Elf_Shdr *> SecOrErr = Obj.getSection(SectionIndex);
if (!SecOrErr)
  return SecOrErr.takeError();
return Obj.getSectionName(**SecOrErr);
975}

977template <class ELFO>
978static const typename ELFO::Elf_Shdr *
979findNotEmptySectionByAddress(const ELFO &Obj, StringRef FileName,
                           uint64_t Addr) {
for (const typename ELFO::Elf_Shdr &Shdr : cantFail(Obj.sections()))
  if (Shdr.sh_addr == Addr && Shdr.sh_size > 0)
    return &Shdr;
return nullptr;
985}

987const EnumEntry<unsigned> ElfClass[] = {
{"None",   "none",   ELF::ELFCLASSNONE},
{"32-bit", "ELF32",  ELF::ELFCLASS32},
{"64-bit", "ELF64",  ELF::ELFCLASS64},
991};

993const EnumEntry<unsigned> ElfDataEncoding[] = {
{"None",         "none",                          ELF::ELFDATANONE},
{"LittleEndian", "2's complement, little endian", ELF::ELFDATA2LSB},
{"BigEndian",    "2's complement, big endian",    ELF::ELFDATA2MSB},
997};

999const 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},
1005};

1007const 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}
1026};

1028const 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}
1032};

1034const EnumEntry<unsigned> ARMElfOSABI[] = {
{"ARM", "ARM", ELF::ELFOSABI_ARM}
1036};

1038const EnumEntry<unsigned> C6000ElfOSABI[] = {
{"C6000_ELFABI", "Bare-metal C6000", ELF::ELFOSABI_C6000_ELFABI},
{"C6000_LINUX",  "Linux C6000",      ELF::ELFOSABI_C6000_LINUX}
1041};

1043const EnumEntry<unsigned> ElfMachineType[] = {
ENUM_ENT(EM_NONE,          "None"){ "EM_NONE", "None", ELF::EM_NONE },
ENUM_ENT(EM_M32,           "WE32100"){ "EM_M32", "WE32100", ELF::EM_M32 },
ENUM_ENT(EM_SPARC,         "Sparc"){ "EM_SPARC", "Sparc", ELF::EM_SPARC },
ENUM_ENT(EM_386,           "Intel 80386"){ "EM_386", "Intel 80386", ELF::EM_386 },
ENUM_ENT(EM_68K,           "MC68000"){ "EM_68K", "MC68000", ELF::EM_68K },
ENUM_ENT(EM_88K,           "MC88000"){ "EM_88K", "MC88000", ELF::EM_88K },
ENUM_ENT(EM_IAMCU,         "EM_IAMCU"){ "EM_IAMCU", "EM_IAMCU", ELF::EM_IAMCU },
ENUM_ENT(EM_860,           "Intel 80860"){ "EM_860", "Intel 80860", ELF::EM_860 },
ENUM_ENT(EM_MIPS,          "MIPS R3000"){ "EM_MIPS", "MIPS R3000", ELF::EM_MIPS },
ENUM_ENT(EM_S370,          "IBM System/370"){ "EM_S370", "IBM System/370", ELF::EM_S370 },
ENUM_ENT(EM_MIPS_RS3_LE,   "MIPS R3000 little-endian"){ "EM_MIPS_RS3_LE", "MIPS R3000 little-endian", ELF::EM_MIPS_RS3_LE
 },
ENUM_ENT(EM_PARISC,        "HPPA"){ "EM_PARISC", "HPPA", ELF::EM_PARISC },
ENUM_ENT(EM_VPP500,        "Fujitsu VPP500"){ "EM_VPP500", "Fujitsu VPP500", ELF::EM_VPP500 },
ENUM_ENT(EM_SPARC32PLUS,   "Sparc v8+"){ "EM_SPARC32PLUS", "Sparc v8+", ELF::EM_SPARC32PLUS },
ENUM_ENT(EM_960,           "Intel 80960"){ "EM_960", "Intel 80960", ELF::EM_960 },
ENUM_ENT(EM_PPC,           "PowerPC"){ "EM_PPC", "PowerPC", ELF::EM_PPC },
ENUM_ENT(EM_PPC64,         "PowerPC64"){ "EM_PPC64", "PowerPC64", ELF::EM_PPC64 },
ENUM_ENT(EM_S390,          "IBM S/390"){ "EM_S390", "IBM S/390", ELF::EM_S390 },
ENUM_ENT(EM_SPU,           "SPU"){ "EM_SPU", "SPU", ELF::EM_SPU },
ENUM_ENT(EM_V800,          "NEC V800 series"){ "EM_V800", "NEC V800 series", ELF::EM_V800 },
ENUM_ENT(EM_FR20,          "Fujistsu FR20"){ "EM_FR20", "Fujistsu FR20", ELF::EM_FR20 },
ENUM_ENT(EM_RH32,          "TRW RH-32"){ "EM_RH32", "TRW RH-32", ELF::EM_RH32 },
ENUM_ENT(EM_RCE,           "Motorola RCE"){ "EM_RCE", "Motorola RCE", ELF::EM_RCE },
ENUM_ENT(EM_ARM,           "ARM"){ "EM_ARM", "ARM", ELF::EM_ARM },
ENUM_ENT(EM_ALPHA,         "EM_ALPHA"){ "EM_ALPHA", "EM_ALPHA", ELF::EM_ALPHA },
ENUM_ENT(EM_SH,            "Hitachi SH"){ "EM_SH", "Hitachi SH", ELF::EM_SH },
ENUM_ENT(EM_SPARCV9,       "Sparc v9"){ "EM_SPARCV9", "Sparc v9", ELF::EM_SPARCV9 },
ENUM_ENT(EM_TRICORE,       "Siemens Tricore"){ "EM_TRICORE", "Siemens Tricore", ELF::EM_TRICORE },
ENUM_ENT(EM_ARC,           "ARC"){ "EM_ARC", "ARC", ELF::EM_ARC },
ENUM_ENT(EM_H8_300,        "Hitachi H8/300"){ "EM_H8_300", "Hitachi H8/300", ELF::EM_H8_300 },
ENUM_ENT(EM_H8_300H,       "Hitachi H8/300H"){ "EM_H8_300H", "Hitachi H8/300H", ELF::EM_H8_300H },
ENUM_ENT(EM_H8S,           "Hitachi H8S"){ "EM_H8S", "Hitachi H8S", ELF::EM_H8S },
ENUM_ENT(EM_H8_500,        "Hitachi H8/500"){ "EM_H8_500", "Hitachi H8/500", ELF::EM_H8_500 },
ENUM_ENT(EM_IA_64,         "Intel IA-64"){ "EM_IA_64", "Intel IA-64", ELF::EM_IA_64 },
ENUM_ENT(EM_MIPS_X,        "Stanford MIPS-X"){ "EM_MIPS_X", "Stanford MIPS-X", ELF::EM_MIPS_X },
ENUM_ENT(EM_COLDFIRE,      "Motorola Coldfire"){ "EM_COLDFIRE", "Motorola Coldfire", ELF::EM_COLDFIRE },
ENUM_ENT(EM_68HC12,        "Motorola MC68HC12 Microcontroller"){ "EM_68HC12", "Motorola MC68HC12 Microcontroller", ELF::EM_68HC12
 },
ENUM_ENT(EM_MMA,           "Fujitsu Multimedia Accelerator"){ "EM_MMA", "Fujitsu Multimedia Accelerator", ELF::EM_MMA },
ENUM_ENT(EM_PCP,           "Siemens PCP"){ "EM_PCP", "Siemens PCP", ELF::EM_PCP },
ENUM_ENT(EM_NCPU,          "Sony nCPU embedded RISC processor"){ "EM_NCPU", "Sony nCPU embedded RISC processor", ELF::EM_NCPU
 },
ENUM_ENT(EM_NDR1,          "Denso NDR1 microprocesspr"){ "EM_NDR1", "Denso NDR1 microprocesspr", ELF::EM_NDR1 },
ENUM_ENT(EM_STARCORE,      "Motorola Star*Core processor"){ "EM_STARCORE", "Motorola Star*Core processor", ELF::EM_STARCORE
 },
ENUM_ENT(EM_ME16,          "Toyota ME16 processor"){ "EM_ME16", "Toyota ME16 processor", ELF::EM_ME16 },
ENUM_ENT(EM_ST100,         "STMicroelectronics ST100 processor"){ "EM_ST100", "STMicroelectronics ST100 processor", ELF::EM_ST100
 },
ENUM_ENT(EM_TINYJ,         "Advanced Logic Corp. TinyJ embedded processor"){ "EM_TINYJ", "Advanced Logic Corp. TinyJ embedded processor"
, ELF::EM_TINYJ },
ENUM_ENT(EM_X86_64,        "Advanced Micro Devices X86-64"){ "EM_X86_64", "Advanced Micro Devices X86-64", ELF::EM_X86_64
 },
ENUM_ENT(EM_PDSP,          "Sony DSP processor"){ "EM_PDSP", "Sony DSP processor", ELF::EM_PDSP },
ENUM_ENT(EM_PDP10,         "Digital Equipment Corp. PDP-10"){ "EM_PDP10", "Digital Equipment Corp. PDP-10", ELF::EM_PDP10
 },
ENUM_ENT(EM_PDP11,         "Digital Equipment Corp. PDP-11"){ "EM_PDP11", "Digital Equipment Corp. PDP-11", ELF::EM_PDP11
 },
ENUM_ENT(EM_FX66,          "Siemens FX66 microcontroller"){ "EM_FX66", "Siemens FX66 microcontroller", ELF::EM_FX66 },
ENUM_ENT(EM_ST9PLUS,       "STMicroelectronics ST9+ 8/16 bit microcontroller"){ "EM_ST9PLUS", "STMicroelectronics ST9+ 8/16 bit microcontroller"
, ELF::EM_ST9PLUS },
ENUM_ENT(EM_ST7,           "STMicroelectronics ST7 8-bit microcontroller"){ "EM_ST7", "STMicroelectronics ST7 8-bit microcontroller", ELF
::EM_ST7 },
ENUM_ENT(EM_68HC16,        "Motorola MC68HC16 Microcontroller"){ "EM_68HC16", "Motorola MC68HC16 Microcontroller", ELF::EM_68HC16
 },
ENUM_ENT(EM_68HC11,        "Motorola MC68HC11 Microcontroller"){ "EM_68HC11", "Motorola MC68HC11 Microcontroller", ELF::EM_68HC11
 },
ENUM_ENT(EM_68HC08,        "Motorola MC68HC08 Microcontroller"){ "EM_68HC08", "Motorola MC68HC08 Microcontroller", ELF::EM_68HC08
 },
ENUM_ENT(EM_68HC05,        "Motorola MC68HC05 Microcontroller"){ "EM_68HC05", "Motorola MC68HC05 Microcontroller", ELF::EM_68HC05
 },
ENUM_ENT(EM_SVX,           "Silicon Graphics SVx"){ "EM_SVX", "Silicon Graphics SVx", ELF::EM_SVX },
ENUM_ENT(EM_ST19,          "STMicroelectronics ST19 8-bit microcontroller"){ "EM_ST19", "STMicroelectronics ST19 8-bit microcontroller",
 ELF::EM_ST19 },
ENUM_ENT(EM_VAX,           "Digital VAX"){ "EM_VAX", "Digital VAX", ELF::EM_VAX },
ENUM_ENT(EM_CRIS,          "Axis Communications 32-bit embedded processor"){ "EM_CRIS", "Axis Communications 32-bit embedded processor",
 ELF::EM_CRIS },
ENUM_ENT(EM_JAVELIN,       "Infineon Technologies 32-bit embedded cpu"){ "EM_JAVELIN", "Infineon Technologies 32-bit embedded cpu", ELF
::EM_JAVELIN },
ENUM_ENT(EM_FIREPATH,      "Element 14 64-bit DSP processor"){ "EM_FIREPATH", "Element 14 64-bit DSP processor", ELF::EM_FIREPATH
 },
ENUM_ENT(EM_ZSP,           "LSI Logic's 16-bit DSP processor"){ "EM_ZSP", "LSI Logic's 16-bit DSP processor", ELF::EM_ZSP },
ENUM_ENT(EM_MMIX,          "Donald Knuth's educational 64-bit processor"){ "EM_MMIX", "Donald Knuth's educational 64-bit processor", ELF
::EM_MMIX },
ENUM_ENT(EM_HUANY,         "Harvard Universitys's machine-independent object format"){ "EM_HUANY", "Harvard Universitys's machine-independent object format"
, ELF::EM_HUANY },
ENUM_ENT(EM_PRISM,         "Vitesse Prism"){ "EM_PRISM", "Vitesse Prism", ELF::EM_PRISM },
ENUM_ENT(EM_AVR,           "Atmel AVR 8-bit microcontroller"){ "EM_AVR", "Atmel AVR 8-bit microcontroller", ELF::EM_AVR },
ENUM_ENT(EM_FR30,          "Fujitsu FR30"){ "EM_FR30", "Fujitsu FR30", ELF::EM_FR30 },
ENUM_ENT(EM_D10V,          "Mitsubishi D10V"){ "EM_D10V", "Mitsubishi D10V", ELF::EM_D10V },
ENUM_ENT(EM_D30V,          "Mitsubishi D30V"){ "EM_D30V", "Mitsubishi D30V", ELF::EM_D30V },
ENUM_ENT(EM_V850,          "NEC v850"){ "EM_V850", "NEC v850", ELF::EM_V850 },
ENUM_ENT(EM_M32R,          "Renesas M32R (formerly Mitsubishi M32r)"){ "EM_M32R", "Renesas M32R (formerly Mitsubishi M32r)", ELF::
EM_M32R },
ENUM_ENT(EM_MN10300,       "Matsushita MN10300"){ "EM_MN10300", "Matsushita MN10300", ELF::EM_MN10300 },
ENUM_ENT(EM_MN10200,       "Matsushita MN10200"){ "EM_MN10200", "Matsushita MN10200", ELF::EM_MN10200 },
ENUM_ENT(EM_PJ,            "picoJava"){ "EM_PJ", "picoJava", ELF::EM_PJ },
ENUM_ENT(EM_OPENRISC,      "OpenRISC 32-bit embedded processor"){ "EM_OPENRISC", "OpenRISC 32-bit embedded processor", ELF::EM_OPENRISC
 },
ENUM_ENT(EM_ARC_COMPACT,   "EM_ARC_COMPACT"){ "EM_ARC_COMPACT", "EM_ARC_COMPACT", ELF::EM_ARC_COMPACT },
ENUM_ENT(EM_XTENSA,        "Tensilica Xtensa Processor"){ "EM_XTENSA", "Tensilica Xtensa Processor", ELF::EM_XTENSA },
ENUM_ENT(EM_VIDEOCORE,     "Alphamosaic VideoCore processor"){ "EM_VIDEOCORE", "Alphamosaic VideoCore processor", ELF::EM_VIDEOCORE
 },
ENUM_ENT(EM_TMM_GPP,       "Thompson Multimedia General Purpose Processor"){ "EM_TMM_GPP", "Thompson Multimedia General Purpose Processor"
, ELF::EM_TMM_GPP },
ENUM_ENT(EM_NS32K,         "National Semiconductor 32000 series"){ "EM_NS32K", "National Semiconductor 32000 series", ELF::EM_NS32K
 },
ENUM_ENT(EM_TPC,           "Tenor Network TPC processor"){ "EM_TPC", "Tenor Network TPC processor", ELF::EM_TPC },
ENUM_ENT(EM_SNP1K,         "EM_SNP1K"){ "EM_SNP1K", "EM_SNP1K", ELF::EM_SNP1K },
ENUM_ENT(EM_ST200,         "STMicroelectronics ST200 microcontroller"){ "EM_ST200", "STMicroelectronics ST200 microcontroller", ELF
::EM_ST200 },
ENUM_ENT(EM_IP2K,          "Ubicom IP2xxx 8-bit microcontrollers"){ "EM_IP2K", "Ubicom IP2xxx 8-bit microcontrollers", ELF::EM_IP2K
 },
ENUM_ENT(EM_MAX,           "MAX Processor"){ "EM_MAX", "MAX Processor", ELF::EM_MAX },
ENUM_ENT(EM_CR,            "National Semiconductor CompactRISC"){ "EM_CR", "National Semiconductor CompactRISC", ELF::EM_CR },
ENUM_ENT(EM_F2MC16,        "Fujitsu F2MC16"){ "EM_F2MC16", "Fujitsu F2MC16", ELF::EM_F2MC16 },
ENUM_ENT(EM_MSP430,        "Texas Instruments msp430 microcontroller"){ "EM_MSP430", "Texas Instruments msp430 microcontroller", ELF
::EM_MSP430 },
ENUM_ENT(EM_BLACKFIN,      "Analog Devices Blackfin"){ "EM_BLACKFIN", "Analog Devices Blackfin", ELF::EM_BLACKFIN },
ENUM_ENT(EM_SE_C33,        "S1C33 Family of Seiko Epson processors"){ "EM_SE_C33", "S1C33 Family of Seiko Epson processors", ELF::
EM_SE_C33 },
ENUM_ENT(EM_SEP,           "Sharp embedded microprocessor"){ "EM_SEP", "Sharp embedded microprocessor", ELF::EM_SEP },
ENUM_ENT(EM_ARCA,          "Arca RISC microprocessor"){ "EM_ARCA", "Arca RISC microprocessor", ELF::EM_ARCA },
ENUM_ENT(EM_UNICORE,       "Unicore"){ "EM_UNICORE", "Unicore", ELF::EM_UNICORE },
ENUM_ENT(EM_EXCESS,        "eXcess 16/32/64-bit configurable embedded CPU"){ "EM_EXCESS", "eXcess 16/32/64-bit configurable embedded CPU"
, ELF::EM_EXCESS },
ENUM_ENT(EM_DXP,           "Icera Semiconductor Inc. Deep Execution Processor"){ "EM_DXP", "Icera Semiconductor Inc. Deep Execution Processor"
, ELF::EM_DXP },
ENUM_ENT(EM_ALTERA_NIOS2,  "Altera Nios"){ "EM_ALTERA_NIOS2", "Altera Nios", ELF::EM_ALTERA_NIOS2 },
ENUM_ENT(EM_CRX,           "National Semiconductor CRX microprocessor"){ "EM_CRX", "National Semiconductor CRX microprocessor", ELF::
EM_CRX },
ENUM_ENT(EM_XGATE,         "Motorola XGATE embedded processor"){ "EM_XGATE", "Motorola XGATE embedded processor", ELF::EM_XGATE
 },
ENUM_ENT(EM_C166,          "Infineon Technologies xc16x"){ "EM_C166", "Infineon Technologies xc16x", ELF::EM_C166 },
ENUM_ENT(EM_M16C,          "Renesas M16C"){ "EM_M16C", "Renesas M16C", ELF::EM_M16C },
ENUM_ENT(EM_DSPIC30F,      "Microchip Technology dsPIC30F Digital Signal Controller"){ "EM_DSPIC30F", "Microchip Technology dsPIC30F Digital Signal Controller"
, ELF::EM_DSPIC30F },
ENUM_ENT(EM_CE,            "Freescale Communication Engine RISC core"){ "EM_CE", "Freescale Communication Engine RISC core", ELF::EM_CE
 },
ENUM_ENT(EM_M32C,          "Renesas M32C"){ "EM_M32C", "Renesas M32C", ELF::EM_M32C },
ENUM_ENT(EM_TSK3000,       "Altium TSK3000 core"){ "EM_TSK3000", "Altium TSK3000 core", ELF::EM_TSK3000 },
ENUM_ENT(EM_RS08,          "Freescale RS08 embedded processor"){ "EM_RS08", "Freescale RS08 embedded processor", ELF::EM_RS08
 },
ENUM_ENT(EM_SHARC,         "EM_SHARC"){ "EM_SHARC", "EM_SHARC", ELF::EM_SHARC },
ENUM_ENT(EM_ECOG2,         "Cyan Technology eCOG2 microprocessor"){ "EM_ECOG2", "Cyan Technology eCOG2 microprocessor", ELF::EM_ECOG2
 },
ENUM_ENT(EM_SCORE7,        "SUNPLUS S+Core"){ "EM_SCORE7", "SUNPLUS S+Core", ELF::EM_SCORE7 },
ENUM_ENT(EM_DSP24,         "New Japan Radio (NJR) 24-bit DSP Processor"){ "EM_DSP24", "New Japan Radio (NJR) 24-bit DSP Processor", ELF
::EM_DSP24 },
ENUM_ENT(EM_VIDEOCORE3,    "Broadcom VideoCore III processor"){ "EM_VIDEOCORE3", "Broadcom VideoCore III processor", ELF::EM_VIDEOCORE3
 },
ENUM_ENT(EM_LATTICEMICO32, "Lattice Mico32"){ "EM_LATTICEMICO32", "Lattice Mico32", ELF::EM_LATTICEMICO32
 },
ENUM_ENT(EM_SE_C17,        "Seiko Epson C17 family"){ "EM_SE_C17", "Seiko Epson C17 family", ELF::EM_SE_C17 },
ENUM_ENT(EM_TI_C6000,      "Texas Instruments TMS320C6000 DSP family"){ "EM_TI_C6000", "Texas Instruments TMS320C6000 DSP family", ELF
::EM_TI_C6000 },
ENUM_ENT(EM_TI_C2000,      "Texas Instruments TMS320C2000 DSP family"){ "EM_TI_C2000", "Texas Instruments TMS320C2000 DSP family", ELF
::EM_TI_C2000 },
ENUM_ENT(EM_TI_C5500,      "Texas Instruments TMS320C55x DSP family"){ "EM_TI_C5500", "Texas Instruments TMS320C55x DSP family", ELF
::EM_TI_C5500 },
ENUM_ENT(EM_MMDSP_PLUS,    "STMicroelectronics 64bit VLIW Data Signal Processor"){ "EM_MMDSP_PLUS", "STMicroelectronics 64bit VLIW Data Signal Processor"
, ELF::EM_MMDSP_PLUS },
ENUM_ENT(EM_CYPRESS_M8C,   "Cypress M8C microprocessor"){ "EM_CYPRESS_M8C", "Cypress M8C microprocessor", ELF::EM_CYPRESS_M8C
 },
ENUM_ENT(EM_R32C,          "Renesas R32C series microprocessors"){ "EM_R32C", "Renesas R32C series microprocessors", ELF::EM_R32C
 },
ENUM_ENT(EM_TRIMEDIA,      "NXP Semiconductors TriMedia architecture family"){ "EM_TRIMEDIA", "NXP Semiconductors TriMedia architecture family"
, ELF::EM_TRIMEDIA },
ENUM_ENT(EM_HEXAGON,       "Qualcomm Hexagon"){ "EM_HEXAGON", "Qualcomm Hexagon", ELF::EM_HEXAGON },
ENUM_ENT(EM_8051,          "Intel 8051 and variants"){ "EM_8051", "Intel 8051 and variants", ELF::EM_8051 },
ENUM_ENT(EM_STXP7X,        "STMicroelectronics STxP7x family"){ "EM_STXP7X", "STMicroelectronics STxP7x family", ELF::EM_STXP7X
 },
ENUM_ENT(EM_NDS32,         "Andes Technology compact code size embedded RISC processor family"){ "EM_NDS32", "Andes Technology compact code size embedded RISC processor family"
, ELF::EM_NDS32 },
ENUM_ENT(EM_ECOG1,         "Cyan Technology eCOG1 microprocessor"){ "EM_ECOG1", "Cyan Technology eCOG1 microprocessor", ELF::EM_ECOG1
 },
// FIXME: Following EM_ECOG1X definitions is dead code since EM_ECOG1X has
//        an identical number to EM_ECOG1.
ENUM_ENT(EM_ECOG1X,        "Cyan Technology eCOG1X family"){ "EM_ECOG1X", "Cyan Technology eCOG1X family", ELF::EM_ECOG1X
 },
ENUM_ENT(EM_MAXQ30,        "Dallas Semiconductor MAXQ30 Core microcontrollers"){ "EM_MAXQ30", "Dallas Semiconductor MAXQ30 Core microcontrollers"
, ELF::EM_MAXQ30 },
ENUM_ENT(EM_XIMO16,        "New Japan Radio (NJR) 16-bit DSP Processor"){ "EM_XIMO16", "New Japan Radio (NJR) 16-bit DSP Processor", ELF
::EM_XIMO16 },
ENUM_ENT(EM_MANIK,         "M2000 Reconfigurable RISC Microprocessor"){ "EM_MANIK", "M2000 Reconfigurable RISC Microprocessor", ELF
::EM_MANIK },
ENUM_ENT(EM_CRAYNV2,       "Cray Inc. NV2 vector architecture"){ "EM_CRAYNV2", "Cray Inc. NV2 vector architecture", ELF::EM_CRAYNV2
 },
ENUM_ENT(EM_RX,            "Renesas RX"){ "EM_RX", "Renesas RX", ELF::EM_RX },
ENUM_ENT(EM_METAG,         "Imagination Technologies Meta processor architecture"){ "EM_METAG", "Imagination Technologies Meta processor architecture"
, ELF::EM_METAG },
ENUM_ENT(EM_MCST_ELBRUS,   "MCST Elbrus general purpose hardware architecture"){ "EM_MCST_ELBRUS", "MCST Elbrus general purpose hardware architecture"
, ELF::EM_MCST_ELBRUS },
ENUM_ENT(EM_ECOG16,        "Cyan Technology eCOG16 family"){ "EM_ECOG16", "Cyan Technology eCOG16 family", ELF::EM_ECOG16
 },
ENUM_ENT(EM_CR16,          "National Semiconductor CompactRISC 16-bit processor"){ "EM_CR16", "National Semiconductor CompactRISC 16-bit processor"
, ELF::EM_CR16 },
ENUM_ENT(EM_ETPU,          "Freescale Extended Time Processing Unit"){ "EM_ETPU", "Freescale Extended Time Processing Unit", ELF::
EM_ETPU },
ENUM_ENT(EM_SLE9X,         "Infineon Technologies SLE9X core"){ "EM_SLE9X", "Infineon Technologies SLE9X core", ELF::EM_SLE9X
 },
ENUM_ENT(EM_L10M,          "EM_L10M"){ "EM_L10M", "EM_L10M", ELF::EM_L10M },
ENUM_ENT(EM_K10M,          "EM_K10M"){ "EM_K10M", "EM_K10M", ELF::EM_K10M },
ENUM_ENT(EM_AARCH64,       "AArch64"){ "EM_AARCH64", "AArch64", ELF::EM_AARCH64 },
ENUM_ENT(EM_AVR32,         "Atmel Corporation 32-bit microprocessor family"){ "EM_AVR32", "Atmel Corporation 32-bit microprocessor family"
, ELF::EM_AVR32 },
ENUM_ENT(EM_STM8,          "STMicroeletronics STM8 8-bit microcontroller"){ "EM_STM8", "STMicroeletronics STM8 8-bit microcontroller", ELF
::EM_STM8 },
ENUM_ENT(EM_TILE64,        "Tilera TILE64 multicore architecture family"){ "EM_TILE64", "Tilera TILE64 multicore architecture family",
 ELF::EM_TILE64 },
ENUM_ENT(EM_TILEPRO,       "Tilera TILEPro multicore architecture family"){ "EM_TILEPRO", "Tilera TILEPro multicore architecture family"
, ELF::EM_TILEPRO },
ENUM_ENT(EM_MICROBLAZE,    "Xilinx MicroBlaze 32-bit RISC soft processor core"){ "EM_MICROBLAZE", "Xilinx MicroBlaze 32-bit RISC soft processor core"
, ELF::EM_MICROBLAZE },
ENUM_ENT(EM_CUDA,          "NVIDIA CUDA architecture"){ "EM_CUDA", "NVIDIA CUDA architecture", ELF::EM_CUDA },
ENUM_ENT(EM_TILEGX,        "Tilera TILE-Gx multicore architecture family"){ "EM_TILEGX", "Tilera TILE-Gx multicore architecture family"
, ELF::EM_TILEGX },
ENUM_ENT(EM_CLOUDSHIELD,   "EM_CLOUDSHIELD"){ "EM_CLOUDSHIELD", "EM_CLOUDSHIELD", ELF::EM_CLOUDSHIELD },
ENUM_ENT(EM_COREA_1ST,     "EM_COREA_1ST"){ "EM_COREA_1ST", "EM_COREA_1ST", ELF::EM_COREA_1ST },
ENUM_ENT(EM_COREA_2ND,     "EM_COREA_2ND"){ "EM_COREA_2ND", "EM_COREA_2ND", ELF::EM_COREA_2ND },
ENUM_ENT(EM_ARC_COMPACT2,  "EM_ARC_COMPACT2"){ "EM_ARC_COMPACT2", "EM_ARC_COMPACT2", ELF::EM_ARC_COMPACT2 },
ENUM_ENT(EM_OPEN8,         "EM_OPEN8"){ "EM_OPEN8", "EM_OPEN8", ELF::EM_OPEN8 },
ENUM_ENT(EM_RL78,          "Renesas RL78"){ "EM_RL78", "Renesas RL78", ELF::EM_RL78 },
ENUM_ENT(EM_VIDEOCORE5,    "Broadcom VideoCore V processor"){ "EM_VIDEOCORE5", "Broadcom VideoCore V processor", ELF::EM_VIDEOCORE5
 },
ENUM_ENT(EM_78KOR,         "EM_78KOR"){ "EM_78KOR", "EM_78KOR", ELF::EM_78KOR },
ENUM_ENT(EM_56800EX,       "EM_56800EX"){ "EM_56800EX", "EM_56800EX", ELF::EM_56800EX },
ENUM_ENT(EM_AMDGPU,        "EM_AMDGPU"){ "EM_AMDGPU", "EM_AMDGPU", ELF::EM_AMDGPU },
ENUM_ENT(EM_RISCV,         "RISC-V"){ "EM_RISCV", "RISC-V", ELF::EM_RISCV },
ENUM_ENT(EM_LANAI,         "EM_LANAI"){ "EM_LANAI", "EM_LANAI", ELF::EM_LANAI },
ENUM_ENT(EM_BPF,           "EM_BPF"){ "EM_BPF", "EM_BPF", ELF::EM_BPF },
ENUM_ENT(EM_VE,            "NEC SX-Aurora Vector Engine"){ "EM_VE", "NEC SX-Aurora Vector Engine", ELF::EM_VE },
ENUM_ENT(EM_LOONGARCH,     "LoongArch"){ "EM_LOONGARCH", "LoongArch", ELF::EM_LOONGARCH },
1208};

1210const EnumEntry<unsigned> ElfSymbolBindings[] = {
  {"Local",  "LOCAL",  ELF::STB_LOCAL},
  {"Global", "GLOBAL", ELF::STB_GLOBAL},
  {"Weak",   "WEAK",   ELF::STB_WEAK},
  {"Unique", "UNIQUE", ELF::STB_GNU_UNIQUE}};

1216const EnumEntry<unsigned> ElfSymbolVisibilities[] = {
  {"DEFAULT",   "DEFAULT",   ELF::STV_DEFAULT},
  {"INTERNAL",  "INTERNAL",  ELF::STV_INTERNAL},
  {"HIDDEN",    "HIDDEN",    ELF::STV_HIDDEN},
  {"PROTECTED", "PROTECTED", ELF::STV_PROTECTED}};

1222const EnumEntry<unsigned> AMDGPUSymbolTypes[] = {
{ "AMDGPU_HSA_KERNEL",            ELF::STT_AMDGPU_HSA_KERNEL }
1224};

1226static const char *getGroupType(uint32_t Flag) {
if (Flag & ELF::GRP_COMDAT)
  return "COMDAT";
else
  return "(unknown)";
1231}

1233const EnumEntry<unsigned> ElfSectionFlags[] = {
ENUM_ENT(SHF_WRITE,            "W"){ "SHF_WRITE", "W", ELF::SHF_WRITE },
ENUM_ENT(SHF_ALLOC,            "A"){ "SHF_ALLOC", "A", ELF::SHF_ALLOC },
ENUM_ENT(SHF_EXECINSTR,        "X"){ "SHF_EXECINSTR", "X", ELF::SHF_EXECINSTR },
ENUM_ENT(SHF_MERGE,            "M"){ "SHF_MERGE", "M", ELF::SHF_MERGE },
ENUM_ENT(SHF_STRINGS,          "S"){ "SHF_STRINGS", "S", ELF::SHF_STRINGS },
ENUM_ENT(SHF_INFO_LINK,        "I"){ "SHF_INFO_LINK", "I", ELF::SHF_INFO_LINK },
ENUM_ENT(SHF_LINK_ORDER,       "L"){ "SHF_LINK_ORDER", "L", ELF::SHF_LINK_ORDER },
ENUM_ENT(SHF_OS_NONCONFORMING, "O"){ "SHF_OS_NONCONFORMING", "O", ELF::SHF_OS_NONCONFORMING },
ENUM_ENT(SHF_GROUP,            "G"){ "SHF_GROUP", "G", ELF::SHF_GROUP },
ENUM_ENT(SHF_TLS,              "T"){ "SHF_TLS", "T", ELF::SHF_TLS },
ENUM_ENT(SHF_COMPRESSED,       "C"){ "SHF_COMPRESSED", "C", ELF::SHF_COMPRESSED },
ENUM_ENT(SHF_EXCLUDE,          "E"){ "SHF_EXCLUDE", "E", ELF::SHF_EXCLUDE },
1246};

1248const EnumEntry<unsigned> ElfGNUSectionFlags[] = {
ENUM_ENT(SHF_GNU_RETAIN, "R"){ "SHF_GNU_RETAIN", "R", ELF::SHF_GNU_RETAIN }
1250};

1252const EnumEntry<unsigned> ElfSolarisSectionFlags[] = {
ENUM_ENT(SHF_SUNW_NODISCARD, "R"){ "SHF_SUNW_NODISCARD", "R", ELF::SHF_SUNW_NODISCARD }
1254};

1256const EnumEntry<unsigned> ElfXCoreSectionFlags[] = {
ENUM_ENT(XCORE_SHF_CP_SECTION, ""){ "XCORE_SHF_CP_SECTION", "", ELF::XCORE_SHF_CP_SECTION },
ENUM_ENT(XCORE_SHF_DP_SECTION, ""){ "XCORE_SHF_DP_SECTION", "", ELF::XCORE_SHF_DP_SECTION }
1259};

1261const EnumEntry<unsigned> ElfARMSectionFlags[] = {
ENUM_ENT(SHF_ARM_PURECODE, "y"){ "SHF_ARM_PURECODE", "y", ELF::SHF_ARM_PURECODE }
1263};

1265const EnumEntry<unsigned> ElfHexagonSectionFlags[] = {
ENUM_ENT(SHF_HEX_GPREL, ""){ "SHF_HEX_GPREL", "", ELF::SHF_HEX_GPREL }
1267};

1269const EnumEntry<unsigned> ElfMipsSectionFlags[] = {
ENUM_ENT(SHF_MIPS_NODUPES, ""){ "SHF_MIPS_NODUPES", "", ELF::SHF_MIPS_NODUPES },
ENUM_ENT(SHF_MIPS_NAMES,   ""){ "SHF_MIPS_NAMES", "", ELF::SHF_MIPS_NAMES },
ENUM_ENT(SHF_MIPS_LOCAL,   ""){ "SHF_MIPS_LOCAL", "", ELF::SHF_MIPS_LOCAL },
ENUM_ENT(SHF_MIPS_NOSTRIP, ""){ "SHF_MIPS_NOSTRIP", "", ELF::SHF_MIPS_NOSTRIP },
ENUM_ENT(SHF_MIPS_GPREL,   ""){ "SHF_MIPS_GPREL", "", ELF::SHF_MIPS_GPREL },
ENUM_ENT(SHF_MIPS_MERGE,   ""){ "SHF_MIPS_MERGE", "", ELF::SHF_MIPS_MERGE },
ENUM_ENT(SHF_MIPS_ADDR,    ""){ "SHF_MIPS_ADDR", "", ELF::SHF_MIPS_ADDR },
ENUM_ENT(SHF_MIPS_STRING,  ""){ "SHF_MIPS_STRING", "", ELF::SHF_MIPS_STRING }
1278};

1280const EnumEntry<unsigned> ElfX86_64SectionFlags[] = {
ENUM_ENT(SHF_X86_64_LARGE, "l"){ "SHF_X86_64_LARGE", "l", ELF::SHF_X86_64_LARGE }
1282};

1284static std::vector<EnumEntry<unsigned>>
1285getSectionFlagsForTarget(unsigned EOSAbi, unsigned EMachine) {
std::vector<EnumEntry<unsigned>> Ret(std::begin(ElfSectionFlags),
                                     std::end(ElfSectionFlags));
switch (EOSAbi) {
case ELFOSABI_SOLARIS:
  Ret.insert(Ret.end(), std::begin(ElfSolarisSectionFlags),
             std::end(ElfSolarisSectionFlags));
  break;
default:
  Ret.insert(Ret.end(), std::begin(ElfGNUSectionFlags),
             std::end(ElfGNUSectionFlags));
  break;
}
switch (EMachine) {
case EM_ARM:
  Ret.insert(Ret.end(), std::begin(ElfARMSectionFlags),
             std::end(ElfARMSectionFlags));
  break;
case EM_HEXAGON:
  Ret.insert(Ret.end(), std::begin(ElfHexagonSectionFlags),
             std::end(ElfHexagonSectionFlags));
  break;
case EM_MIPS:
  Ret.insert(Ret.end(), std::begin(ElfMipsSectionFlags),
             std::end(ElfMipsSectionFlags));
  break;
case EM_X86_64:
  Ret.insert(Ret.end(), std::begin(ElfX86_64SectionFlags),
             std::end(ElfX86_64SectionFlags));
  break;
case EM_XCORE:
  Ret.insert(Ret.end(), std::begin(ElfXCoreSectionFlags),
             std::end(ElfXCoreSectionFlags));
  break;
default:
  break;
}
return Ret;
1323}

1325static std::string getGNUFlags(unsigned EOSAbi, unsigned EMachine,
                             uint64_t Flags) {
// Here we are trying to build the flags string in the same way as GNU does.
// It is not that straightforward. Imagine we have sh_flags == 0x90000000.
// SHF_EXCLUDE ("E") has a value of 0x80000000 and SHF_MASKPROC is 0xf0000000.
// GNU readelf will not print "E" or "Ep" in this case, but will print just
// "p". It only will print "E" when no other processor flag is set.
std::string Str;
bool HasUnknownFlag = false;
bool HasOSFlag = false;
bool HasProcFlag = false;
std::vector<EnumEntry<unsigned>> FlagsList =
    getSectionFlagsForTarget(EOSAbi, EMachine);
while (Flags) {
  // Take the least significant bit as a flag.
  uint64_t Flag = Flags & -Flags;
  Flags -= Flag;

  // Find the flag in the known flags list.
  auto I = llvm::find_if(FlagsList, [=](const EnumEntry<unsigned> &E) {
    // Flags with empty names are not printed in GNU style output.
    return E.Value == Flag && !E.AltName.empty();
  });
  if (I != FlagsList.end()) {
    Str += I->AltName;
    continue;
  }

  // If we did not find a matching regular flag, then we deal with an OS
  // specific flag, processor specific flag or an unknown flag.
  if (Flag & ELF::SHF_MASKOS) {
    HasOSFlag = true;
    Flags &= ~ELF::SHF_MASKOS;
  } else if (Flag & ELF::SHF_MASKPROC) {
    HasProcFlag = true;
    // Mask off all the processor-specific bits. This removes the SHF_EXCLUDE
    // bit if set so that it doesn't also get printed.
    Flags &= ~ELF::SHF_MASKPROC;
  } else {
    HasUnknownFlag = true;
  }
}

// "o", "p" and "x" are printed last.
if (HasOSFlag)
  Str += "o";
if (HasProcFlag)
  Str += "p";
if (HasUnknownFlag)
  Str += "x";
return Str;
1376}

1378static StringRef segmentTypeToString(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)case ELF::PT_ARM_EXIDX: return "PT_ARM_EXIDX";; }
  break;
case ELF::EM_MIPS:
case ELF::EM_MIPS_RS3_LE:
  switch (Type) {
    LLVM_READOBJ_ENUM_CASE(ELF, PT_MIPS_REGINFO)case ELF::PT_MIPS_REGINFO: return "PT_MIPS_REGINFO";;
    LLVM_READOBJ_ENUM_CASE(ELF, PT_MIPS_RTPROC)case ELF::PT_MIPS_RTPROC: return "PT_MIPS_RTPROC";;
    LLVM_READOBJ_ENUM_CASE(ELF, PT_MIPS_OPTIONS)case ELF::PT_MIPS_OPTIONS: return "PT_MIPS_OPTIONS";;
    LLVM_READOBJ_ENUM_CASE(ELF, PT_MIPS_ABIFLAGS)case ELF::PT_MIPS_ABIFLAGS: return "PT_MIPS_ABIFLAGS";;
  }
  break;
}

switch (Type) {
  LLVM_READOBJ_ENUM_CASE(ELF, PT_NULL)case ELF::PT_NULL: return "PT_NULL";;
  LLVM_READOBJ_ENUM_CASE(ELF, PT_LOAD)case ELF::PT_LOAD: return "PT_LOAD";;
  LLVM_READOBJ_ENUM_CASE(ELF, PT_DYNAMIC)case ELF::PT_DYNAMIC: return "PT_DYNAMIC";;
  LLVM_READOBJ_ENUM_CASE(ELF, PT_INTERP)case ELF::PT_INTERP: return "PT_INTERP";;
  LLVM_READOBJ_ENUM_CASE(ELF, PT_NOTE)case ELF::PT_NOTE: return "PT_NOTE";;
  LLVM_READOBJ_ENUM_CASE(ELF, PT_SHLIB)case ELF::PT_SHLIB: return "PT_SHLIB";;
  LLVM_READOBJ_ENUM_CASE(ELF, PT_PHDR)case ELF::PT_PHDR: return "PT_PHDR";;
  LLVM_READOBJ_ENUM_CASE(ELF, PT_TLS)case ELF::PT_TLS: return "PT_TLS";;

  LLVM_READOBJ_ENUM_CASE(ELF, PT_GNU_EH_FRAME)case ELF::PT_GNU_EH_FRAME: return "PT_GNU_EH_FRAME";;
  LLVM_READOBJ_ENUM_CASE(ELF, PT_SUNW_UNWIND)case ELF::PT_SUNW_UNWIND: return "PT_SUNW_UNWIND";;

  LLVM_READOBJ_ENUM_CASE(ELF, PT_GNU_STACK)case ELF::PT_GNU_STACK: return "PT_GNU_STACK";;
  LLVM_READOBJ_ENUM_CASE(ELF, PT_GNU_RELRO)case ELF::PT_GNU_RELRO: return "PT_GNU_RELRO";;
  LLVM_READOBJ_ENUM_CASE(ELF, PT_GNU_PROPERTY)case ELF::PT_GNU_PROPERTY: return "PT_GNU_PROPERTY";;

  LLVM_READOBJ_ENUM_CASE(ELF, PT_OPENBSD_RANDOMIZE)case ELF::PT_OPENBSD_RANDOMIZE: return "PT_OPENBSD_RANDOMIZE"
;;
  LLVM_READOBJ_ENUM_CASE(ELF, PT_OPENBSD_WXNEEDED)case ELF::PT_OPENBSD_WXNEEDED: return "PT_OPENBSD_WXNEEDED";;
  LLVM_READOBJ_ENUM_CASE(ELF, PT_OPENBSD_BOOTDATA)case ELF::PT_OPENBSD_BOOTDATA: return "PT_OPENBSD_BOOTDATA";;
default:
  return "";
}
1418}

1420static std::string getGNUPtType(unsigned Arch, unsigned Type) {
StringRef Seg = segmentTypeToString(Arch, Type);
if (Seg.empty())
  return std::string("<unknown>: ") + to_string(format_hex(Type, 1));

// E.g. "PT_ARM_EXIDX" -> "EXIDX".
if (Seg.startswith("PT_ARM_"))
  return Seg.drop_front(7).str();

// E.g. "PT_MIPS_REGINFO" -> "REGINFO".
if (Seg.startswith("PT_MIPS_"))
  return Seg.drop_front(8).str();

// E.g. "PT_LOAD" -> "LOAD".
assert(Seg.startswith("PT_"))(static_cast <bool> (Seg.startswith("PT_")) ? void (0) :
 __assert_fail ("Seg.startswith(\"PT_\")", "llvm/tools/llvm-readobj/ELFDumper.cpp"
, 1434, __extension__ __PRETTY_FUNCTION__));
return Seg.drop_front(3).str();
1436}

1438const EnumEntry<unsigned> ElfSegmentFlags[] = {
LLVM_READOBJ_ENUM_ENT(ELF, PF_X){ "PF_X", ELF::PF_X },
LLVM_READOBJ_ENUM_ENT(ELF, PF_W){ "PF_W", ELF::PF_W },
LLVM_READOBJ_ENUM_ENT(ELF, PF_R){ "PF_R", ELF::PF_R }
1442};

1444const EnumEntry<unsigned> ElfHeaderMipsFlags[] = {
ENUM_ENT(EF_MIPS_NOREORDER, "noreorder"){ "EF_MIPS_NOREORDER", "noreorder", ELF::EF_MIPS_NOREORDER },
ENUM_ENT(EF_MIPS_PIC, "pic"){ "EF_MIPS_PIC", "pic", ELF::EF_MIPS_PIC },
ENUM_ENT(EF_MIPS_CPIC, "cpic"){ "EF_MIPS_CPIC", "cpic", ELF::EF_MIPS_CPIC },
ENUM_ENT(EF_MIPS_ABI2, "abi2"){ "EF_MIPS_ABI2", "abi2", ELF::EF_MIPS_ABI2 },
ENUM_ENT(EF_MIPS_32BITMODE, "32bitmode"){ "EF_MIPS_32BITMODE", "32bitmode", ELF::EF_MIPS_32BITMODE },
ENUM_ENT(EF_MIPS_FP64, "fp64"){ "EF_MIPS_FP64", "fp64", ELF::EF_MIPS_FP64 },
ENUM_ENT(EF_MIPS_NAN2008, "nan2008"){ "EF_MIPS_NAN2008", "nan2008", ELF::EF_MIPS_NAN2008 },
ENUM_ENT(EF_MIPS_ABI_O32, "o32"){ "EF_MIPS_ABI_O32", "o32", ELF::EF_MIPS_ABI_O32 },
ENUM_ENT(EF_MIPS_ABI_O64, "o64"){ "EF_MIPS_ABI_O64", "o64", ELF::EF_MIPS_ABI_O64 },
ENUM_ENT(EF_MIPS_ABI_EABI32, "eabi32"){ "EF_MIPS_ABI_EABI32", "eabi32", ELF::EF_MIPS_ABI_EABI32 },
ENUM_ENT(EF_MIPS_ABI_EABI64, "eabi64"){ "EF_MIPS_ABI_EABI64", "eabi64", ELF::EF_MIPS_ABI_EABI64 },
ENUM_ENT(EF_MIPS_MACH_3900, "3900"){ "EF_MIPS_MACH_3900", "3900", ELF::EF_MIPS_MACH_3900 },
ENUM_ENT(EF_MIPS_MACH_4010, "4010"){ "EF_MIPS_MACH_4010", "4010", ELF::EF_MIPS_MACH_4010 },
ENUM_ENT(EF_MIPS_MACH_4100, "4100"){ "EF_MIPS_MACH_4100", "4100", ELF::EF_MIPS_MACH_4100 },
ENUM_ENT(EF_MIPS_MACH_4650, "4650"){ "EF_MIPS_MACH_4650", "4650", ELF::EF_MIPS_MACH_4650 },
ENUM_ENT(EF_MIPS_MACH_4120, "4120"){ "EF_MIPS_MACH_4120", "4120", ELF::EF_MIPS_MACH_4120 },
ENUM_ENT(EF_MIPS_MACH_4111, "4111"){ "EF_MIPS_MACH_4111", "4111", ELF::EF_MIPS_MACH_4111 },
ENUM_ENT(EF_MIPS_MACH_SB1, "sb1"){ "EF_MIPS_MACH_SB1", "sb1", ELF::EF_MIPS_MACH_SB1 },
ENUM_ENT(EF_MIPS_MACH_OCTEON, "octeon"){ "EF_MIPS_MACH_OCTEON", "octeon", ELF::EF_MIPS_MACH_OCTEON },
ENUM_ENT(EF_MIPS_MACH_XLR, "xlr"){ "EF_MIPS_MACH_XLR", "xlr", ELF::EF_MIPS_MACH_XLR },
ENUM_ENT(EF_MIPS_MACH_OCTEON2, "octeon2"){ "EF_MIPS_MACH_OCTEON2", "octeon2", ELF::EF_MIPS_MACH_OCTEON2
 },
ENUM_ENT(EF_MIPS_MACH_OCTEON3, "octeon3"){ "EF_MIPS_MACH_OCTEON3", "octeon3", ELF::EF_MIPS_MACH_OCTEON3
 },
ENUM_ENT(EF_MIPS_MACH_5400, "5400"){ "EF_MIPS_MACH_5400", "5400", ELF::EF_MIPS_MACH_5400 },
ENUM_ENT(EF_MIPS_MACH_5900, "5900"){ "EF_MIPS_MACH_5900", "5900", ELF::EF_MIPS_MACH_5900 },
ENUM_ENT(EF_MIPS_MACH_5500, "5500"){ "EF_MIPS_MACH_5500", "5500", ELF::EF_MIPS_MACH_5500 },
ENUM_ENT(EF_MIPS_MACH_9000, "9000"){ "EF_MIPS_MACH_9000", "9000", ELF::EF_MIPS_MACH_9000 },
ENUM_ENT(EF_MIPS_MACH_LS2E, "loongson-2e"){ "EF_MIPS_MACH_LS2E", "loongson-2e", ELF::EF_MIPS_MACH_LS2E },
ENUM_ENT(EF_MIPS_MACH_LS2F, "loongson-2f"){ "EF_MIPS_MACH_LS2F", "loongson-2f", ELF::EF_MIPS_MACH_LS2F },
ENUM_ENT(EF_MIPS_MACH_LS3A, "loongson-3a"){ "EF_MIPS_MACH_LS3A", "loongson-3a", ELF::EF_MIPS_MACH_LS3A },
ENUM_ENT(EF_MIPS_MICROMIPS, "micromips"){ "EF_MIPS_MICROMIPS", "micromips", ELF::EF_MIPS_MICROMIPS },
ENUM_ENT(EF_MIPS_ARCH_ASE_M16, "mips16"){ "EF_MIPS_ARCH_ASE_M16", "mips16", ELF::EF_MIPS_ARCH_ASE_M16
 },
ENUM_ENT(EF_MIPS_ARCH_ASE_MDMX, "mdmx"){ "EF_MIPS_ARCH_ASE_MDMX", "mdmx", ELF::EF_MIPS_ARCH_ASE_MDMX
 },
ENUM_ENT(EF_MIPS_ARCH_1, "mips1"){ "EF_MIPS_ARCH_1", "mips1", ELF::EF_MIPS_ARCH_1 },
ENUM_ENT(EF_MIPS_ARCH_2, "mips2"){ "EF_MIPS_ARCH_2", "mips2", ELF::EF_MIPS_ARCH_2 },
ENUM_ENT(EF_MIPS_ARCH_3, "mips3"){ "EF_MIPS_ARCH_3", "mips3", ELF::EF_MIPS_ARCH_3 },
ENUM_ENT(EF_MIPS_ARCH_4, "mips4"){ "EF_MIPS_ARCH_4", "mips4", ELF::EF_MIPS_ARCH_4 },
ENUM_ENT(EF_MIPS_ARCH_5, "mips5"){ "EF_MIPS_ARCH_5", "mips5", ELF::EF_MIPS_ARCH_5 },
ENUM_ENT(EF_MIPS_ARCH_32, "mips32"){ "EF_MIPS_ARCH_32", "mips32", ELF::EF_MIPS_ARCH_32 },
ENUM_ENT(EF_MIPS_ARCH_64, "mips64"){ "EF_MIPS_ARCH_64", "mips64", ELF::EF_MIPS_ARCH_64 },
ENUM_ENT(EF_MIPS_ARCH_32R2, "mips32r2"){ "EF_MIPS_ARCH_32R2", "mips32r2", ELF::EF_MIPS_ARCH_32R2 },
ENUM_ENT(EF_MIPS_ARCH_64R2, "mips64r2"){ "EF_MIPS_ARCH_64R2", "mips64r2", ELF::EF_MIPS_ARCH_64R2 },
ENUM_ENT(EF_MIPS_ARCH_32R6, "mips32r6"){ "EF_MIPS_ARCH_32R6", "mips32r6", ELF::EF_MIPS_ARCH_32R6 },
ENUM_ENT(EF_MIPS_ARCH_64R6, "mips64r6"){ "EF_MIPS_ARCH_64R6", "mips64r6", ELF::EF_MIPS_ARCH_64R6 }
1488};

1490const EnumEntry<unsigned> ElfHeaderAMDGPUFlagsABIVersion3[] = {
LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_NONE){ "EF_AMDGPU_MACH_NONE", ELF::EF_AMDGPU_MACH_NONE },
LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_R600_R600){ "EF_AMDGPU_MACH_R600_R600", ELF::EF_AMDGPU_MACH_R600_R600 },
LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_R600_R630){ "EF_AMDGPU_MACH_R600_R630", ELF::EF_AMDGPU_MACH_R600_R630 },
LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_R600_RS880){ "EF_AMDGPU_MACH_R600_RS880", ELF::EF_AMDGPU_MACH_R600_RS880
 },
LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_R600_RV670){ "EF_AMDGPU_MACH_R600_RV670", ELF::EF_AMDGPU_MACH_R600_RV670
 },
LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_R600_RV710){ "EF_AMDGPU_MACH_R600_RV710", ELF::EF_AMDGPU_MACH_R600_RV710
 },
LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_R600_RV730){ "EF_AMDGPU_MACH_R600_RV730", ELF::EF_AMDGPU_MACH_R600_RV730
 },
LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_R600_RV770){ "EF_AMDGPU_MACH_R600_RV770", ELF::EF_AMDGPU_MACH_R600_RV770
 },
LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_R600_CEDAR){ "EF_AMDGPU_MACH_R600_CEDAR", ELF::EF_AMDGPU_MACH_R600_CEDAR
 },
LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_R600_CYPRESS){ "EF_AMDGPU_MACH_R600_CYPRESS", ELF::EF_AMDGPU_MACH_R600_CYPRESS
 },
LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_R600_JUNIPER){ "EF_AMDGPU_MACH_R600_JUNIPER", ELF::EF_AMDGPU_MACH_R600_JUNIPER
 },
LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_R600_REDWOOD){ "EF_AMDGPU_MACH_R600_REDWOOD", ELF::EF_AMDGPU_MACH_R600_REDWOOD
 },
LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_R600_SUMO){ "EF_AMDGPU_MACH_R600_SUMO", ELF::EF_AMDGPU_MACH_R600_SUMO },
LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_R600_BARTS){ "EF_AMDGPU_MACH_R600_BARTS", ELF::EF_AMDGPU_MACH_R600_BARTS
 },
LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_R600_CAICOS){ "EF_AMDGPU_MACH_R600_CAICOS", ELF::EF_AMDGPU_MACH_R600_CAICOS
 },
LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_R600_CAYMAN){ "EF_AMDGPU_MACH_R600_CAYMAN", ELF::EF_AMDGPU_MACH_R600_CAYMAN
 },
LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_R600_TURKS){ "EF_AMDGPU_MACH_R600_TURKS", ELF::EF_AMDGPU_MACH_R600_TURKS
 },
LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_AMDGCN_GFX600){ "EF_AMDGPU_MACH_AMDGCN_GFX600", ELF::EF_AMDGPU_MACH_AMDGCN_GFX600
 },
LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_AMDGCN_GFX601){ "EF_AMDGPU_MACH_AMDGCN_GFX601", ELF::EF_AMDGPU_MACH_AMDGCN_GFX601
 },
LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_AMDGCN_GFX602){ "EF_AMDGPU_MACH_AMDGCN_GFX602", ELF::EF_AMDGPU_MACH_AMDGCN_GFX602
 },
LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_AMDGCN_GFX700){ "EF_AMDGPU_MACH_AMDGCN_GFX700", ELF::EF_AMDGPU_MACH_AMDGCN_GFX700
 },
LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_AMDGCN_GFX701){ "EF_AMDGPU_MACH_AMDGCN_GFX701", ELF::EF_AMDGPU_MACH_AMDGCN_GFX701
 },
LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_AMDGCN_GFX702){ "EF_AMDGPU_MACH_AMDGCN_GFX702", ELF::EF_AMDGPU_MACH_AMDGCN_GFX702
 },
LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_AMDGCN_GFX703){ "EF_AMDGPU_MACH_AMDGCN_GFX703", ELF::EF_AMDGPU_MACH_AMDGCN_GFX703
 },
LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_AMDGCN_GFX704){ "EF_AMDGPU_MACH_AMDGCN_GFX704", ELF::EF_AMDGPU_MACH_AMDGCN_GFX704
 },
LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_AMDGCN_GFX705){ "EF_AMDGPU_MACH_AMDGCN_GFX705", ELF::EF_AMDGPU_MACH_AMDGCN_GFX705
 },
LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_AMDGCN_GFX801){ "EF_AMDGPU_MACH_AMDGCN_GFX801", ELF::EF_AMDGPU_MACH_AMDGCN_GFX801
 },
LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_AMDGCN_GFX802){ "EF_AMDGPU_MACH_AMDGCN_GFX802", ELF::EF_AMDGPU_MACH_AMDGCN_GFX802
 },
LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_AMDGCN_GFX803){ "EF_AMDGPU_MACH_AMDGCN_GFX803", ELF::EF_AMDGPU_MACH_AMDGCN_GFX803
 },
LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_AMDGCN_GFX805){ "EF_AMDGPU_MACH_AMDGCN_GFX805", ELF::EF_AMDGPU_MACH_AMDGCN_GFX805
 },
LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_AMDGCN_GFX810){ "EF_AMDGPU_MACH_AMDGCN_GFX810", ELF::EF_AMDGPU_MACH_AMDGCN_GFX810
 },
LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_AMDGCN_GFX900){ "EF_AMDGPU_MACH_AMDGCN_GFX900", ELF::EF_AMDGPU_MACH_AMDGCN_GFX900
 },
LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_AMDGCN_GFX902){ "EF_AMDGPU_MACH_AMDGCN_GFX902", ELF::EF_AMDGPU_MACH_AMDGCN_GFX902
 },
LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_AMDGCN_GFX904){ "EF_AMDGPU_MACH_AMDGCN_GFX904", ELF::EF_AMDGPU_MACH_AMDGCN_GFX904
 },
LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_AMDGCN_GFX906){ "EF_AMDGPU_MACH_AMDGCN_GFX906", ELF::EF_AMDGPU_MACH_AMDGCN_GFX906
 },
LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_AMDGCN_GFX908){ "EF_AMDGPU_MACH_AMDGCN_GFX908", ELF::EF_AMDGPU_MACH_AMDGCN_GFX908
 },
LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_AMDGCN_GFX909){ "EF_AMDGPU_MACH_AMDGCN_GFX909", ELF::EF_AMDGPU_MACH_AMDGCN_GFX909
 },
LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_AMDGCN_GFX90A){ "EF_AMDGPU_MACH_AMDGCN_GFX90A", ELF::EF_AMDGPU_MACH_AMDGCN_GFX90A
 },
LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_AMDGCN_GFX90C){ "EF_AMDGPU_MACH_AMDGCN_GFX90C", ELF::EF_AMDGPU_MACH_AMDGCN_GFX90C
 },
LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_AMDGCN_GFX940){ "EF_AMDGPU_MACH_AMDGCN_GFX940", ELF::EF_AMDGPU_MACH_AMDGCN_GFX940
 },
LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_AMDGCN_GFX1010){ "EF_AMDGPU_MACH_AMDGCN_GFX1010", ELF::EF_AMDGPU_MACH_AMDGCN_GFX1010
 },
LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_AMDGCN_GFX1011){ "EF_AMDGPU_MACH_AMDGCN_GFX1011", ELF::EF_AMDGPU_MACH_AMDGCN_GFX1011
 },
LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_AMDGCN_GFX1012){ "EF_AMDGPU_MACH_AMDGCN_GFX1012", ELF::EF_AMDGPU_MACH_AMDGCN_GFX1012
 },
LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_AMDGCN_GFX1013){ "EF_AMDGPU_MACH_AMDGCN_GFX1013", ELF::EF_AMDGPU_MACH_AMDGCN_GFX1013
 },
LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_AMDGCN_GFX1030){ "EF_AMDGPU_MACH_AMDGCN_GFX1030", ELF::EF_AMDGPU_MACH_AMDGCN_GFX1030
 },
LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_AMDGCN_GFX1031){ "EF_AMDGPU_MACH_AMDGCN_GFX1031", ELF::EF_AMDGPU_MACH_AMDGCN_GFX1031
 },
LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_AMDGCN_GFX1032){ "EF_AMDGPU_MACH_AMDGCN_GFX1032", ELF::EF_AMDGPU_MACH_AMDGCN_GFX1032
 },
LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_AMDGCN_GFX1033){ "EF_AMDGPU_MACH_AMDGCN_GFX1033", ELF::EF_AMDGPU_MACH_AMDGCN_GFX1033
 },
LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_AMDGCN_GFX1034){ "EF_AMDGPU_MACH_AMDGCN_GFX1034", ELF::EF_AMDGPU_MACH_AMDGCN_GFX1034
 },
LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_AMDGCN_GFX1035){ "EF_AMDGPU_MACH_AMDGCN_GFX1035", ELF::EF_AMDGPU_MACH_AMDGCN_GFX1035
 },
LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_AMDGCN_GFX1036){ "EF_AMDGPU_MACH_AMDGCN_GFX1036", ELF::EF_AMDGPU_MACH_AMDGCN_GFX1036
 },
LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_FEATURE_XNACK_V3){ "EF_AMDGPU_FEATURE_XNACK_V3", ELF::EF_AMDGPU_FEATURE_XNACK_V3
 },
LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_FEATURE_SRAMECC_V3){ "EF_AMDGPU_FEATURE_SRAMECC_V3", ELF::EF_AMDGPU_FEATURE_SRAMECC_V3
 }
1544};

1546const EnumEntry<unsigned> ElfHeaderAMDGPUFlagsABIVersion4[] = {
LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_NONE){ "EF_AMDGPU_MACH_NONE", ELF::EF_AMDGPU_MACH_NONE },
LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_R600_R600){ "EF_AMDGPU_MACH_R600_R600", ELF::EF_AMDGPU_MACH_R600_R600 },
LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_R600_R630){ "EF_AMDGPU_MACH_R600_R630", ELF::EF_AMDGPU_MACH_R600_R630 },
LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_R600_RS880){ "EF_AMDGPU_MACH_R600_RS880", ELF::EF_AMDGPU_MACH_R600_RS880
 },
LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_R600_RV670){ "EF_AMDGPU_MACH_R600_RV670", ELF::EF_AMDGPU_MACH_R600_RV670
 },
LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_R600_RV710){ "EF_AMDGPU_MACH_R600_RV710", ELF::EF_AMDGPU_MACH_R600_RV710
 },
LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_R600_RV730){ "EF_AMDGPU_MACH_R600_RV730", ELF::EF_AMDGPU_MACH_R600_RV730
 },
LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_R600_RV770){ "EF_AMDGPU_MACH_R600_RV770", ELF::EF_AMDGPU_MACH_R600_RV770
 },
LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_R600_CEDAR){ "EF_AMDGPU_MACH_R600_CEDAR", ELF::EF_AMDGPU_MACH_R600_CEDAR
 },
LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_R600_CYPRESS){ "EF_AMDGPU_MACH_R600_CYPRESS", ELF::EF_AMDGPU_MACH_R600_CYPRESS
 },
LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_R600_JUNIPER){ "EF_AMDGPU_MACH_R600_JUNIPER", ELF::EF_AMDGPU_MACH_R600_JUNIPER
 },
LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_R600_REDWOOD){ "EF_AMDGPU_MACH_R600_REDWOOD", ELF::EF_AMDGPU_MACH_R600_REDWOOD
 },
LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_R600_SUMO){ "EF_AMDGPU_MACH_R600_SUMO", ELF::EF_AMDGPU_MACH_R600_SUMO },
LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_R600_BARTS){ "EF_AMDGPU_MACH_R600_BARTS", ELF::EF_AMDGPU_MACH_R600_BARTS
 },
LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_R600_CAICOS){ "EF_AMDGPU_MACH_R600_CAICOS", ELF::EF_AMDGPU_MACH_R600_CAICOS
 },
LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_R600_CAYMAN){ "EF_AMDGPU_MACH_R600_CAYMAN", ELF::EF_AMDGPU_MACH_R600_CAYMAN
 },
LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_R600_TURKS){ "EF_AMDGPU_MACH_R600_TURKS", ELF::EF_AMDGPU_MACH_R600_TURKS
 },
LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_AMDGCN_GFX600){ "EF_AMDGPU_MACH_AMDGCN_GFX600", ELF::EF_AMDGPU_MACH_AMDGCN_GFX600
 },
LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_AMDGCN_GFX601){ "EF_AMDGPU_MACH_AMDGCN_GFX601", ELF::EF_AMDGPU_MACH_AMDGCN_GFX601
 },
LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_AMDGCN_GFX602){ "EF_AMDGPU_MACH_AMDGCN_GFX602", ELF::EF_AMDGPU_MACH_AMDGCN_GFX602
 },
LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_AMDGCN_GFX700){ "EF_AMDGPU_MACH_AMDGCN_GFX700", ELF::EF_AMDGPU_MACH_AMDGCN_GFX700
 },
LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_AMDGCN_GFX701){ "EF_AMDGPU_MACH_AMDGCN_GFX701", ELF::EF_AMDGPU_MACH_AMDGCN_GFX701
 },
LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_AMDGCN_GFX702){ "EF_AMDGPU_MACH_AMDGCN_GFX702", ELF::EF_AMDGPU_MACH_AMDGCN_GFX702
 },
LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_AMDGCN_GFX703){ "EF_AMDGPU_MACH_AMDGCN_GFX703", ELF::EF_AMDGPU_MACH_AMDGCN_GFX703
 },
LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_AMDGCN_GFX704){ "EF_AMDGPU_MACH_AMDGCN_GFX704", ELF::EF_AMDGPU_MACH_AMDGCN_GFX704
 },
LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_AMDGCN_GFX705){ "EF_AMDGPU_MACH_AMDGCN_GFX705", ELF::EF_AMDGPU_MACH_AMDGCN_GFX705
 },
LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_AMDGCN_GFX801){ "EF_AMDGPU_MACH_AMDGCN_GFX801", ELF::EF_AMDGPU_MACH_AMDGCN_GFX801
 },
LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_AMDGCN_GFX802){ "EF_AMDGPU_MACH_AMDGCN_GFX802", ELF::EF_AMDGPU_MACH_AMDGCN_GFX802
 },
LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_AMDGCN_GFX803){ "EF_AMDGPU_MACH_AMDGCN_GFX803", ELF::EF_AMDGPU_MACH_AMDGCN_GFX803
 },
LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_AMDGCN_GFX805){ "EF_AMDGPU_MACH_AMDGCN_GFX805", ELF::EF_AMDGPU_MACH_AMDGCN_GFX805
 },
LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_AMDGCN_GFX810){ "EF_AMDGPU_MACH_AMDGCN_GFX810", ELF::EF_AMDGPU_MACH_AMDGCN_GFX810
 },
LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_AMDGCN_GFX900){ "EF_AMDGPU_MACH_AMDGCN_GFX900", ELF::EF_AMDGPU_MACH_AMDGCN_GFX900
 },
LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_AMDGCN_GFX902){ "EF_AMDGPU_MACH_AMDGCN_GFX902", ELF::EF_AMDGPU_MACH_AMDGCN_GFX902
 },
LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_AMDGCN_GFX904){ "EF_AMDGPU_MACH_AMDGCN_GFX904", ELF::EF_AMDGPU_MACH_AMDGCN_GFX904
 },
LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_AMDGCN_GFX906){ "EF_AMDGPU_MACH_AMDGCN_GFX906", ELF::EF_AMDGPU_MACH_AMDGCN_GFX906
 },
LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_AMDGCN_GFX908){ "EF_AMDGPU_MACH_AMDGCN_GFX908", ELF::EF_AMDGPU_MACH_AMDGCN_GFX908
 },
LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_AMDGCN_GFX909){ "EF_AMDGPU_MACH_AMDGCN_GFX909", ELF::EF_AMDGPU_MACH_AMDGCN_GFX909
 },
LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_AMDGCN_GFX90A){ "EF_AMDGPU_MACH_AMDGCN_GFX90A", ELF::EF_AMDGPU_MACH_AMDGCN_GFX90A
 },
LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_AMDGCN_GFX90C){ "EF_AMDGPU_MACH_AMDGCN_GFX90C", ELF::EF_AMDGPU_MACH_AMDGCN_GFX90C
 },
LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_AMDGCN_GFX940){ "EF_AMDGPU_MACH_AMDGCN_GFX940", ELF::EF_AMDGPU_MACH_AMDGCN_GFX940
 },
LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_AMDGCN_GFX1010){ "EF_AMDGPU_MACH_AMDGCN_GFX1010", ELF::EF_AMDGPU_MACH_AMDGCN_GFX1010
 },
LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_AMDGCN_GFX1011){ "EF_AMDGPU_MACH_AMDGCN_GFX1011", ELF::EF_AMDGPU_MACH_AMDGCN_GFX1011
 },
LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_AMDGCN_GFX1012){ "EF_AMDGPU_MACH_AMDGCN_GFX1012", ELF::EF_AMDGPU_MACH_AMDGCN_GFX1012
 },
LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_AMDGCN_GFX1013){ "EF_AMDGPU_MACH_AMDGCN_GFX1013", ELF::EF_AMDGPU_MACH_AMDGCN_GFX1013
 },
LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_AMDGCN_GFX1030){ "EF_AMDGPU_MACH_AMDGCN_GFX1030", ELF::EF_AMDGPU_MACH_AMDGCN_GFX1030
 },
LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_AMDGCN_GFX1031){ "EF_AMDGPU_MACH_AMDGCN_GFX1031", ELF::EF_AMDGPU_MACH_AMDGCN_GFX1031
 },
LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_AMDGCN_GFX1032){ "EF_AMDGPU_MACH_AMDGCN_GFX1032", ELF::EF_AMDGPU_MACH_AMDGCN_GFX1032
 },
LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_AMDGCN_GFX1033){ "EF_AMDGPU_MACH_AMDGCN_GFX1033", ELF::EF_AMDGPU_MACH_AMDGCN_GFX1033
 },
LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_AMDGCN_GFX1034){ "EF_AMDGPU_MACH_AMDGCN_GFX1034", ELF::EF_AMDGPU_MACH_AMDGCN_GFX1034
 },
LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_AMDGCN_GFX1035){ "EF_AMDGPU_MACH_AMDGCN_GFX1035", ELF::EF_AMDGPU_MACH_AMDGCN_GFX1035
 },
LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_AMDGCN_GFX1036){ "EF_AMDGPU_MACH_AMDGCN_GFX1036", ELF::EF_AMDGPU_MACH_AMDGCN_GFX1036
 },
LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_FEATURE_XNACK_ANY_V4){ "EF_AMDGPU_FEATURE_XNACK_ANY_V4", ELF::EF_AMDGPU_FEATURE_XNACK_ANY_V4
 },
LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_FEATURE_XNACK_OFF_V4){ "EF_AMDGPU_FEATURE_XNACK_OFF_V4", ELF::EF_AMDGPU_FEATURE_XNACK_OFF_V4
 },
LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_FEATURE_XNACK_ON_V4){ "EF_AMDGPU_FEATURE_XNACK_ON_V4", ELF::EF_AMDGPU_FEATURE_XNACK_ON_V4
 },
LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_FEATURE_SRAMECC_ANY_V4){ "EF_AMDGPU_FEATURE_SRAMECC_ANY_V4", ELF::EF_AMDGPU_FEATURE_SRAMECC_ANY_V4
 },
LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_FEATURE_SRAMECC_OFF_V4){ "EF_AMDGPU_FEATURE_SRAMECC_OFF_V4", ELF::EF_AMDGPU_FEATURE_SRAMECC_OFF_V4
 },
LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_FEATURE_SRAMECC_ON_V4){ "EF_AMDGPU_FEATURE_SRAMECC_ON_V4", ELF::EF_AMDGPU_FEATURE_SRAMECC_ON_V4
 }
1604};

1606const EnumEntry<unsigned> ElfHeaderRISCVFlags[] = {
ENUM_ENT(EF_RISCV_RVC, "RVC"){ "EF_RISCV_RVC", "RVC", ELF::EF_RISCV_RVC },
ENUM_ENT(EF_RISCV_FLOAT_ABI_SINGLE, "single-float ABI"){ "EF_RISCV_FLOAT_ABI_SINGLE", "single-float ABI", ELF::EF_RISCV_FLOAT_ABI_SINGLE
 },
ENUM_ENT(EF_RISCV_FLOAT_ABI_DOUBLE, "double-float ABI"){ "EF_RISCV_FLOAT_ABI_DOUBLE", "double-float ABI", ELF::EF_RISCV_FLOAT_ABI_DOUBLE
 },
ENUM_ENT(EF_RISCV_FLOAT_ABI_QUAD, "quad-float ABI"){ "EF_RISCV_FLOAT_ABI_QUAD", "quad-float ABI", ELF::EF_RISCV_FLOAT_ABI_QUAD
 },
ENUM_ENT(EF_RISCV_RVE, "RVE"){ "EF_RISCV_RVE", "RVE", ELF::EF_RISCV_RVE },
ENUM_ENT(EF_RISCV_TSO, "TSO"){ "EF_RISCV_TSO", "TSO", ELF::EF_RISCV_TSO },
1613};

1615const EnumEntry<unsigned> ElfHeaderAVRFlags[] = {
LLVM_READOBJ_ENUM_ENT(ELF, EF_AVR_ARCH_AVR1){ "EF_AVR_ARCH_AVR1", ELF::EF_AVR_ARCH_AVR1 },
LLVM_READOBJ_ENUM_ENT(ELF, EF_AVR_ARCH_AVR2){ "EF_AVR_ARCH_AVR2", ELF::EF_AVR_ARCH_AVR2 },
LLVM_READOBJ_ENUM_ENT(ELF, EF_AVR_ARCH_AVR25){ "EF_AVR_ARCH_AVR25", ELF::EF_AVR_ARCH_AVR25 },
LLVM_READOBJ_ENUM_ENT(ELF, EF_AVR_ARCH_AVR3){ "EF_AVR_ARCH_AVR3", ELF::EF_AVR_ARCH_AVR3 },
LLVM_READOBJ_ENUM_ENT(ELF, EF_AVR_ARCH_AVR31){ "EF_AVR_ARCH_AVR31", ELF::EF_AVR_ARCH_AVR31 },
LLVM_READOBJ_ENUM_ENT(ELF, EF_AVR_ARCH_AVR35){ "EF_AVR_ARCH_AVR35", ELF::EF_AVR_ARCH_AVR35 },
LLVM_READOBJ_ENUM_ENT(ELF, EF_AVR_ARCH_AVR4){ "EF_AVR_ARCH_AVR4", ELF::EF_AVR_ARCH_AVR4 },
LLVM_READOBJ_ENUM_ENT(ELF, EF_AVR_ARCH_AVR5){ "EF_AVR_ARCH_AVR5", ELF::EF_AVR_ARCH_AVR5 },
LLVM_READOBJ_ENUM_ENT(ELF, EF_AVR_ARCH_AVR51){ "EF_AVR_ARCH_AVR51", ELF::EF_AVR_ARCH_AVR51 },
LLVM_READOBJ_ENUM_ENT(ELF, EF_AVR_ARCH_AVR6){ "EF_AVR_ARCH_AVR6", ELF::EF_AVR_ARCH_AVR6 },
LLVM_READOBJ_ENUM_ENT(ELF, EF_AVR_ARCH_AVRTINY){ "EF_AVR_ARCH_AVRTINY", ELF::EF_AVR_ARCH_AVRTINY },
LLVM_READOBJ_ENUM_ENT(ELF, EF_AVR_ARCH_XMEGA1){ "EF_AVR_ARCH_XMEGA1", ELF::EF_AVR_ARCH_XMEGA1 },
LLVM_READOBJ_ENUM_ENT(ELF, EF_AVR_ARCH_XMEGA2){ "EF_AVR_ARCH_XMEGA2", ELF::EF_AVR_ARCH_XMEGA2 },
LLVM_READOBJ_ENUM_ENT(ELF, EF_AVR_ARCH_XMEGA3){ "EF_AVR_ARCH_XMEGA3", ELF::EF_AVR_ARCH_XMEGA3 },
LLVM_READOBJ_ENUM_ENT(ELF, EF_AVR_ARCH_XMEGA4){ "EF_AVR_ARCH_XMEGA4", ELF::EF_AVR_ARCH_XMEGA4 },
LLVM_READOBJ_ENUM_ENT(ELF, EF_AVR_ARCH_XMEGA5){ "EF_AVR_ARCH_XMEGA5", ELF::EF_AVR_ARCH_XMEGA5 },
LLVM_READOBJ_ENUM_ENT(ELF, EF_AVR_ARCH_XMEGA6){ "EF_AVR_ARCH_XMEGA6", ELF::EF_AVR_ARCH_XMEGA6 },
LLVM_READOBJ_ENUM_ENT(ELF, EF_AVR_ARCH_XMEGA7){ "EF_AVR_ARCH_XMEGA7", ELF::EF_AVR_ARCH_XMEGA7 },
ENUM_ENT(EF_AVR_LINKRELAX_PREPARED, "relaxable"){ "EF_AVR_LINKRELAX_PREPARED", "relaxable", ELF::EF_AVR_LINKRELAX_PREPARED
 },
1635};


1638const EnumEntry<unsigned> ElfSymOtherFlags[] = {
LLVM_READOBJ_ENUM_ENT(ELF, STV_INTERNAL){ "STV_INTERNAL", ELF::STV_INTERNAL },
LLVM_READOBJ_ENUM_ENT(ELF, STV_HIDDEN){ "STV_HIDDEN", ELF::STV_HIDDEN },
LLVM_READOBJ_ENUM_ENT(ELF, STV_PROTECTED){ "STV_PROTECTED", ELF::STV_PROTECTED }
1642};

1644const EnumEntry<unsigned> ElfMipsSymOtherFlags[] = {
LLVM_READOBJ_ENUM_ENT(ELF, STO_MIPS_OPTIONAL){ "STO_MIPS_OPTIONAL", ELF::STO_MIPS_OPTIONAL },
LLVM_READOBJ_ENUM_ENT(ELF, STO_MIPS_PLT){ "STO_MIPS_PLT", ELF::STO_MIPS_PLT },
LLVM_READOBJ_ENUM_ENT(ELF, STO_MIPS_PIC){ "STO_MIPS_PIC", ELF::STO_MIPS_PIC },
LLVM_READOBJ_ENUM_ENT(ELF, STO_MIPS_MICROMIPS){ "STO_MIPS_MICROMIPS", ELF::STO_MIPS_MICROMIPS }
1649};

1651const EnumEntry<unsigned> ElfAArch64SymOtherFlags[] = {
LLVM_READOBJ_ENUM_ENT(ELF, STO_AARCH64_VARIANT_PCS){ "STO_AARCH64_VARIANT_PCS", ELF::STO_AARCH64_VARIANT_PCS }
1653};

1655const EnumEntry<unsigned> ElfMips16SymOtherFlags[] = {
LLVM_READOBJ_ENUM_ENT(ELF, STO_MIPS_OPTIONAL){ "STO_MIPS_OPTIONAL", ELF::STO_MIPS_OPTIONAL },
LLVM_READOBJ_ENUM_ENT(ELF, STO_MIPS_PLT){ "STO_MIPS_PLT", ELF::STO_MIPS_PLT },
LLVM_READOBJ_ENUM_ENT(ELF, STO_MIPS_MIPS16){ "STO_MIPS_MIPS16", ELF::STO_MIPS_MIPS16 }
1659};

1661const EnumEntry<unsigned> ElfRISCVSymOtherFlags[] = {
  LLVM_READOBJ_ENUM_ENT(ELF, STO_RISCV_VARIANT_CC){ "STO_RISCV_VARIANT_CC", ELF::STO_RISCV_VARIANT_CC }};

1664static const char *getElfMipsOptionsOdkType(unsigned Odk) {
switch (Odk) {
LLVM_READOBJ_ENUM_CASE(ELF, ODK_NULL)case ELF::ODK_NULL: return "ODK_NULL";;
LLVM_READOBJ_ENUM_CASE(ELF, ODK_REGINFO)case ELF::ODK_REGINFO: return "ODK_REGINFO";;
LLVM_READOBJ_ENUM_CASE(ELF, ODK_EXCEPTIONS)case ELF::ODK_EXCEPTIONS: return "ODK_EXCEPTIONS";;
LLVM_READOBJ_ENUM_CASE(ELF, ODK_PAD)case ELF::ODK_PAD: return "ODK_PAD";;
LLVM_READOBJ_ENUM_CASE(ELF, ODK_HWPATCH)case ELF::ODK_HWPATCH: return "ODK_HWPATCH";;
LLVM_READOBJ_ENUM_CASE(ELF, ODK_FILL)case ELF::ODK_FILL: return "ODK_FILL";;
LLVM_READOBJ_ENUM_CASE(ELF, ODK_TAGS)case ELF::ODK_TAGS: return "ODK_TAGS";;
LLVM_READOBJ_ENUM_CASE(ELF, ODK_HWAND)case ELF::ODK_HWAND: return "ODK_HWAND";;
LLVM_READOBJ_ENUM_CASE(ELF, ODK_HWOR)case ELF::ODK_HWOR: return "ODK_HWOR";;
LLVM_READOBJ_ENUM_CASE(ELF, ODK_GP_GROUP)case ELF::ODK_GP_GROUP: return "ODK_GP_GROUP";;
LLVM_READOBJ_ENUM_CASE(ELF, ODK_IDENT)case ELF::ODK_IDENT: return "ODK_IDENT";;
LLVM_READOBJ_ENUM_CASE(ELF, ODK_PAGESIZE)case ELF::ODK_PAGESIZE: return "ODK_PAGESIZE";;
default:
  return "Unknown";
}
1681}

1683template <typename ELFT>
1684std::pair<const typename ELFT::Phdr *, const typename ELFT::Shdr *>
1685ELFDumper<ELFT>::findDynamic() {
// Try to locate the PT_DYNAMIC header.
const Elf_Phdr *DynamicPhdr = nullptr;
if (Expected<ArrayRef<Elf_Phdr>> PhdrsOrErr = Obj.program_headers()) {
  for (const Elf_Phdr &Phdr : *PhdrsOrErr) {
    if (Phdr.p_type != ELF::PT_DYNAMIC)
      continue;
    DynamicPhdr = &Phdr;
    break;
  }
} else {
  reportUniqueWarning(
      "unable to read program headers to locate the PT_DYNAMIC segment: " +
      toString(PhdrsOrErr.takeError()));
}

// Try to locate the .dynamic section in the sections header table.
const Elf_Shdr *DynamicSec = nullptr;
for (const Elf_Shdr &Sec : cantFail(Obj.sections())) {
  if (Sec.sh_type != ELF::SHT_DYNAMIC)
    continue;
  DynamicSec = &Sec;
  break;
}

if (DynamicPhdr && ((DynamicPhdr->p_offset + DynamicPhdr->p_filesz >
                     ObjF.getMemoryBufferRef().getBufferSize()) ||
                    (DynamicPhdr->p_offset + DynamicPhdr->p_filesz <
                     DynamicPhdr->p_offset))) {
  reportUniqueWarning(
      "PT_DYNAMIC segment offset (0x" +
      Twine::utohexstr(DynamicPhdr->p_offset) + ") + file size (0x" +
      Twine::utohexstr(DynamicPhdr->p_filesz) +
      ") exceeds the size of the file (0x" +
      Twine::utohexstr(ObjF.getMemoryBufferRef().getBufferSize()) + ")");
  // Don't use the broken dynamic header.
  DynamicPhdr = nullptr;
}

if (DynamicPhdr && DynamicSec) {
  if (DynamicSec->sh_addr + DynamicSec->sh_size >
          DynamicPhdr->p_vaddr + DynamicPhdr->p_memsz ||
      DynamicSec->sh_addr < DynamicPhdr->p_vaddr)
    reportUniqueWarning(describe(*DynamicSec) +
                        " is not contained within the "
                        "PT_DYNAMIC segment");

  if (DynamicSec->sh_addr != DynamicPhdr->p_vaddr)
    reportUniqueWarning(describe(*DynamicSec) + " is not at the start of "
                                                "PT_DYNAMIC segment");
}

return std::make_pair(DynamicPhdr, DynamicSec);
1738}

1740template <typename ELFT>
1741void ELFDumper<ELFT>::loadDynamicTable() {
const Elf_Phdr *DynamicPhdr;
const Elf_Shdr *DynamicSec;
std::tie(DynamicPhdr, DynamicSec) = findDynamic();
if (!DynamicPhdr && !DynamicSec)
  return;

DynRegionInfo FromPhdr(ObjF, *this);
bool IsPhdrTableValid = false;
if (DynamicPhdr) {
  // Use cantFail(), because p_offset/p_filesz fields of a PT_DYNAMIC are
  // validated in findDynamic() and so createDRI() is not expected to fail.
  FromPhdr = cantFail(createDRI(DynamicPhdr->p_offset, DynamicPhdr->p_filesz,
                                sizeof(Elf_Dyn)));
  FromPhdr.SizePrintName = "PT_DYNAMIC size";
  FromPhdr.EntSizePrintName = "";
  IsPhdrTableValid = !FromPhdr.template getAsArrayRef<Elf_Dyn>().empty();
}

// Locate the dynamic table described in a section header.
// Ignore sh_entsize and use the expected value for entry size explicitly.
// This allows us to dump dynamic sections with a broken sh_entsize
// field.
DynRegionInfo FromSec(ObjF, *this);
bool IsSecTableValid = false;
if (DynamicSec) {
  Expected<DynRegionInfo> RegOrErr =
      createDRI(DynamicSec->sh_offset, DynamicSec->sh_size, sizeof(Elf_Dyn));
  if (RegOrErr) {
    FromSec = *RegOrErr;
    FromSec.Context = describe(*DynamicSec);
    FromSec.EntSizePrintName = "";
    IsSecTableValid = !FromSec.template getAsArrayRef<Elf_Dyn>().empty();
  } else {
    reportUniqueWarning("unable to read the dynamic table from " +
                        describe(*DynamicSec) + ": " +
                        toString(RegOrErr.takeError()));
  }
}

// When we only have information from one of the SHT_DYNAMIC section header or
// PT_DYNAMIC program header, just use that.
if (!DynamicPhdr || !DynamicSec) {
  if ((DynamicPhdr && IsPhdrTableValid) || (DynamicSec && IsSecTableValid)) {
    DynamicTable = DynamicPhdr ? FromPhdr : FromSec;
    parseDynamicTable();
  } else {
    reportUniqueWarning("no valid dynamic table was found");
  }
  return;
}

// At this point we have tables found from the section header and from the
// dynamic segment. Usually they match, but we have to do sanity checks to
// verify that.

if (FromPhdr.Addr != FromSec.Addr)
  reportUniqueWarning("SHT_DYNAMIC section header and PT_DYNAMIC "
                      "program header disagree about "
                      "the location of the dynamic table");

if (!IsPhdrTableValid && !IsSecTableValid) {
  reportUniqueWarning("no valid dynamic table was found");
  return;
}

// Information in the PT_DYNAMIC program header has priority over the
// information in a section header.
if (IsPhdrTableValid) {
  if (!IsSecTableValid)
    reportUniqueWarning(
        "SHT_DYNAMIC dynamic table is invalid: PT_DYNAMIC will be used");
  DynamicTable = FromPhdr;
} else {
  reportUniqueWarning(
      "PT_DYNAMIC dynamic table is invalid: SHT_DYNAMIC will be used");
  DynamicTable = FromSec;
}

parseDynamicTable();
1821}

1823template <typename ELFT>
1824ELFDumper<ELFT>::ELFDumper(const object::ELFObjectFile<ELFT> &O,
                         ScopedPrinter &Writer)
  : ObjDumper(Writer, O.getFileName()), ObjF(O), Obj(O.getELFFile()),
    FileName(O.getFileName()), DynRelRegion(O, *this),
    DynRelaRegion(O, *this), DynRelrRegion(O, *this),
    DynPLTRelRegion(O, *this), DynSymTabShndxRegion(O, *this),
    DynamicTable(O, *this) {
if (!O.IsContentValid())
  return;

typename ELFT::ShdrRange Sections = cantFail(Obj.sections());
for (const Elf_Shdr &Sec : Sections) {
  switch (Sec.sh_type) {
  case ELF::SHT_SYMTAB:
    if (!DotSymtabSec)
      DotSymtabSec = &Sec;
    break;
  case ELF::SHT_DYNSYM:
    if (!DotDynsymSec)
      DotDynsymSec = &Sec;

    if (!DynSymRegion) {
      Expected<DynRegionInfo> RegOrErr =
          createDRI(Sec.sh_offset, Sec.sh_size, Sec.sh_entsize);
      if (RegOrErr) {
        DynSymRegion = *RegOrErr;
        DynSymRegion->Context = describe(Sec);

        if (Expected<StringRef> E = Obj.getStringTableForSymtab(Sec))
          DynamicStringTable = *E;
        else
          reportUniqueWarning("unable to get the string table for the " +
                              describe(Sec) + ": " + toString(E.takeError()));
      } else {
        reportUniqueWarning("unable to read dynamic symbols from " +
                            describe(Sec) + ": " +
                            toString(RegOrErr.takeError()));
      }
    }
    break;
  case ELF::SHT_SYMTAB_SHNDX: {
    uint32_t SymtabNdx = Sec.sh_link;
    if (SymtabNdx >= Sections.size()) {
      reportUniqueWarning(
          "unable to get the associated symbol table for " + describe(Sec) +
          ": sh_link (" + Twine(SymtabNdx) +
          ") is greater than or equal to the total number of sections (" +
          Twine(Sections.size()) + ")");
      continue;
    }

    if (Expected<ArrayRef<Elf_Word>> ShndxTableOrErr =
            Obj.getSHNDXTable(Sec)) {
      if (!ShndxTables.insert({&Sections[SymtabNdx], *ShndxTableOrErr})
               .second)
        reportUniqueWarning(
            "multiple SHT_SYMTAB_SHNDX sections are linked to " +
            describe(Sec));
    } else {
      reportUniqueWarning(ShndxTableOrErr.takeError());
    }
    break;
  }
  case ELF::SHT_GNU_versym:
    if (!SymbolVersionSection)
      SymbolVersionSection = &Sec;
    break;
  case ELF::SHT_GNU_verdef:
    if (!SymbolVersionDefSection)
      SymbolVersionDefSection = &Sec;
    break;
  case ELF::SHT_GNU_verneed:
    if (!SymbolVersionNeedSection)
      SymbolVersionNeedSection = &Sec;
    break;
  case ELF::SHT_LLVM_ADDRSIG:
    if (!DotAddrsigSec)
      DotAddrsigSec = &Sec;
    break;
  }
}

loadDynamicTable();
1907}

1909template <typename ELFT> void ELFDumper<ELFT>::parseDynamicTable() {
auto toMappedAddr = [&](uint64_t Tag, uint64_t VAddr) -> const uint8_t * {
  auto MappedAddrOrError = Obj.toMappedAddr(VAddr, [&](const Twine &Msg) {
    this->reportUniqueWarning(Msg);
    return Error::success();
  });
  if (!MappedAddrOrError) {
    this->reportUniqueWarning("unable to parse DT_" +
                              Obj.getDynamicTagAsString(Tag) + ": " +
                              llvm::toString(MappedAddrOrError.takeError()));
    return nullptr;
  }
  return MappedAddrOrError.get();
};

const char *StringTableBegin = nullptr;
uint64_t StringTableSize = 0;
Optional<DynRegionInfo> DynSymFromTable;
for (const Elf_Dyn &Dyn : dynamic_table()) {
  switch (Dyn.d_tag) {
  case ELF::DT_HASH:
    HashTable = reinterpret_cast<const Elf_Hash *>(
        toMappedAddr(Dyn.getTag(), Dyn.getPtr()));
    break;
  case ELF::DT_GNU_HASH:
    GnuHashTable = reinterpret_cast<const Elf_GnuHash *>(
        toMappedAddr(Dyn.getTag(), Dyn.getPtr()));
    break;
  case ELF::DT_STRTAB:
    StringTableBegin = reinterpret_cast<const char *>(
        toMappedAddr(Dyn.getTag(), Dyn.getPtr()));
    break;
  case ELF::DT_STRSZ:
    StringTableSize = Dyn.getVal();
    break;
  case ELF::DT_SYMTAB: {
    // If we can't map the DT_SYMTAB value to an address (e.g. when there are
    // no program headers), we ignore its value.
    if (const uint8_t *VA = toMappedAddr(Dyn.getTag(), Dyn.getPtr())) {
      DynSymFromTable.emplace(ObjF, *this);
      DynSymFromTable->Addr = VA;
      DynSymFromTable->EntSize = sizeof(Elf_Sym);
      DynSymFromTable->EntSizePrintName = "";
    }
    break;
  }
  case ELF::DT_SYMENT: {
    uint64_t Val = Dyn.getVal();
    if (Val != sizeof(Elf_Sym))
      this->reportUniqueWarning("DT_SYMENT value of 0x" +
                                Twine::utohexstr(Val) +
                                " is not the size of a symbol (0x" +
                                Twine::utohexstr(sizeof(Elf_Sym)) + ")");
    break;
  }
  case ELF::DT_RELA:
    DynRelaRegion.Addr = toMappedAddr(Dyn.getTag(), Dyn.getPtr());
    break;
  case ELF::DT_RELASZ:
    DynRelaRegion.Size = Dyn.getVal();
    DynRelaRegion.SizePrintName = "DT_RELASZ value";
    break;
  case ELF::DT_RELAENT:
    DynRelaRegion.EntSize = Dyn.getVal();
    DynRelaRegion.EntSizePrintName = "DT_RELAENT value";
    break;
  case ELF::DT_SONAME:
    SONameOffset = Dyn.getVal();
    break;
  case ELF::DT_REL:
    DynRelRegion.Addr = toMappedAddr(Dyn.getTag(), Dyn.getPtr());
    break;
  case ELF::DT_RELSZ:
    DynRelRegion.Size = Dyn.getVal();
    DynRelRegion.SizePrintName = "DT_RELSZ value";
    break;
  case ELF::DT_RELENT:
    DynRelRegion.EntSize = Dyn.getVal();
    DynRelRegion.EntSizePrintName = "DT_RELENT value";
    break;
  case ELF::DT_RELR:
  case ELF::DT_ANDROID_RELR:
    DynRelrRegion.Addr = toMappedAddr(Dyn.getTag(), Dyn.getPtr());
    break;
  case ELF::DT_RELRSZ:
  case ELF::DT_ANDROID_RELRSZ:
    DynRelrRegion.Size = Dyn.getVal();
    DynRelrRegion.SizePrintName = Dyn.d_tag == ELF::DT_RELRSZ
                                      ? "DT_RELRSZ value"
                                      : "DT_ANDROID_RELRSZ value";
    break;
  case ELF::DT_RELRENT:
  case ELF::DT_ANDROID_RELRENT:
    DynRelrRegion.EntSize = Dyn.getVal();
    DynRelrRegion.EntSizePrintName = Dyn.d_tag == ELF::DT_RELRENT
                                         ? "DT_RELRENT value"
                                         : "DT_ANDROID_RELRENT value";
    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
      reportUniqueWarning(Twine("unknown DT_PLTREL value of ") +
                          Twine((uint64_t)Dyn.getVal()));
    DynPLTRelRegion.EntSizePrintName = "PLTREL entry size";
    break;
  case ELF::DT_JMPREL:
    DynPLTRelRegion.Addr = toMappedAddr(Dyn.getTag(), Dyn.getPtr());
    break;
  case ELF::DT_PLTRELSZ:
    DynPLTRelRegion.Size = Dyn.getVal();
    DynPLTRelRegion.SizePrintName = "DT_PLTRELSZ value";
    break;
  case ELF::DT_SYMTAB_SHNDX:
    DynSymTabShndxRegion.Addr = toMappedAddr(Dyn.getTag(), Dyn.getPtr());
    DynSymTabShndxRegion.EntSize = sizeof(Elf_Word);
    break;
  }
}

if (StringTableBegin) {
  const uint64_t FileSize = Obj.getBufSize();
  const uint64_t Offset = (const uint8_t *)StringTableBegin - Obj.base();
  if (StringTableSize > FileSize - Offset)
    reportUniqueWarning(
        "the dynamic string table at 0x" + Twine::utohexstr(Offset) +
        " goes past the end of the file (0x" + Twine::utohexstr(FileSize) +
        ") with DT_STRSZ = 0x" + Twine::utohexstr(StringTableSize));
  else
    DynamicStringTable = StringRef(StringTableBegin, StringTableSize);
}

const bool IsHashTableSupported = getHashTableEntSize() == 4;
if (DynSymRegion) {
  // Often we find the information about the dynamic symbol table
  // location in the SHT_DYNSYM section header. However, the value in
  // DT_SYMTAB has priority, because it is used by dynamic loaders to
  // locate .dynsym at runtime. The location we find in the section header
  // and the location we find here should match.
  if (DynSymFromTable && DynSymFromTable->Addr != DynSymRegion->Addr)
    reportUniqueWarning(
        createError("SHT_DYNSYM section header and DT_SYMTAB disagree about "
                    "the location of the dynamic symbol table"));

  // According to the ELF gABI: "The number of symbol table entries should
  // equal nchain". Check to see if the DT_HASH hash table nchain value
  // conflicts with the number of symbols in the dynamic symbol table
  // according to the section header.
  if (HashTable && IsHashTableSupported) {
    if (DynSymRegion->EntSize == 0)
      reportUniqueWarning("SHT_DYNSYM section has sh_entsize == 0");
    else if (HashTable->nchain != DynSymRegion->Size / DynSymRegion->EntSize)
      reportUniqueWarning(
          "hash table nchain (" + Twine(HashTable->nchain) +
          ") differs from symbol count derived from SHT_DYNSYM section "
          "header (" +
          Twine(DynSymRegion->Size / DynSymRegion->EntSize) + ")");
  }
}

// Delay the creation of the actual dynamic symbol table until now, so that
// checks can always be made against the section header-based properties,
// without worrying about tag order.
if (DynSymFromTable) {
  if (!DynSymRegion) {
    DynSymRegion = DynSymFromTable;
  } else {
    DynSymRegion->Addr = DynSymFromTable->Addr;
    DynSymRegion->EntSize = DynSymFromTable->EntSize;
    DynSymRegion->EntSizePrintName = DynSymFromTable->EntSizePrintName;
  }
}

// Derive the dynamic symbol table size from the DT_HASH hash table, if
// present.
if (HashTable && IsHashTableSupported && DynSymRegion) {
  const uint64_t FileSize = Obj.getBufSize();
  const uint64_t DerivedSize =
      (uint64_t)HashTable->nchain * DynSymRegion->EntSize;
  const uint64_t Offset = (const uint8_t *)DynSymRegion->Addr - Obj.base();
  if (DerivedSize > FileSize - Offset)
    reportUniqueWarning(
        "the size (0x" + Twine::utohexstr(DerivedSize) +
        ") of the dynamic symbol table at 0x" + Twine::utohexstr(Offset) +
        ", derived from the hash table, goes past the end of the file (0x" +
        Twine::utohexstr(FileSize) + ") and will be ignored");
  else
    DynSymRegion->Size = HashTable->nchain * DynSymRegion->EntSize;
}
2100}

2102template <typename ELFT> void ELFDumper<ELFT>::printVersionInfo() {
// Dump version symbol section.
printVersionSymbolSection(SymbolVersionSection);

// Dump version definition section.
printVersionDefinitionSection(SymbolVersionDefSection);

// Dump version dependency section.
printVersionDependencySection(SymbolVersionNeedSection);
2111}

2113#define LLVM_READOBJ_DT_FLAG_ENT(prefix, enum)                                 \
{ #enum, prefix##_##enum }

2116const 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)
2122};

2124const 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),
LLVM_READOBJ_DT_FLAG_ENT(DF_1, PIE),
2152};

2154const 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)
2171};

2173#undef LLVM_READOBJ_DT_FLAG_ENT

2175template <typename T, typename TFlag>
2176void printFlags(T Value, ArrayRef<EnumEntry<TFlag>> Flags, raw_ostream &OS) {
SmallVector<EnumEntry<TFlag>, 10> SetFlags;
for (const EnumEntry<TFlag> &Flag : Flags)
  if (Flag.Value != 0 && (Value & Flag.Value) == Flag.Value)
    SetFlags.push_back(Flag);

for (const EnumEntry<TFlag> &Flag : SetFlags)
  OS << Flag.Name << " ";
2184}

2186template <class ELFT>
2187const typename ELFT::Shdr *
2188ELFDumper<ELFT>::findSectionByName(StringRef Name) const {
for (const Elf_Shdr &Shdr : cantFail(Obj.sections())) {
  if (Expected<StringRef> NameOrErr = Obj.getSectionName(Shdr)) {
    if (*NameOrErr == Name)
      return &Shdr;
  } else {
    reportUniqueWarning("unable to read the name of " + describe(Shdr) +
                        ": " + toString(NameOrErr.takeError()));
  }
}
return nullptr;
2199}

2201template <class ELFT>
2202std::string ELFDumper<ELFT>::getDynamicEntry(uint64_t Type,
                                           uint64_t Value) const {
auto FormatHexValue = [](uint64_t V) {
  std::string Str;
  raw_string_ostream OS(Str);
  const char *ConvChar =
      (opts::Output == opts::GNU) ? "0x%" PRIx64"l" "x" : "0x%" PRIX64"l" "X";
  OS << format(ConvChar, V);
  return OS.str();
};

auto FormatFlags = [](uint64_t V,
                      llvm::ArrayRef<llvm::EnumEntry<unsigned int>> Array) {
  std::string Str;
  raw_string_ostream OS(Str);
  printFlags(V, Array, OS);
  return OS.str();
};

// Handle custom printing of architecture specific tags
switch (Obj.getHeader().e_machine) {
case EM_AARCH64:
  switch (Type) {
  case DT_AARCH64_BTI_PLT:
  case DT_AARCH64_PAC_PLT:
  case DT_AARCH64_VARIANT_PCS:
    return std::to_string(Value);
  default:
    break;
  }
  break;
case EM_HEXAGON:
  switch (Type) {
  case DT_HEXAGON_VER:
    return std::to_string(Value);
  case DT_HEXAGON_SYMSZ:
  case DT_HEXAGON_PLT:
    return FormatHexValue(Value);
  default:
    break;
  }
  break;
case EM_MIPS:
  switch (Type) {
  case DT_MIPS_RLD_VERSION:
  case DT_MIPS_LOCAL_GOTNO:
  case DT_MIPS_SYMTABNO:
  case DT_MIPS_UNREFEXTNO:
    return std::to_string(Value);
  case DT_MIPS_TIME_STAMP:
  case DT_MIPS_ICHECKSUM:
  case DT_MIPS_IVERSION:
  case DT_MIPS_BASE_ADDRESS:
  case DT_MIPS_MSYM:
  case DT_MIPS_CONFLICT:
  case DT_MIPS_LIBLIST:
  case DT_MIPS_CONFLICTNO:
  case DT_MIPS_LIBLISTNO:
  case DT_MIPS_GOTSYM:
  case DT_MIPS_HIPAGENO:
  case DT_MIPS_RLD_MAP:
  case DT_MIPS_DELTA_CLASS:
  case DT_MIPS_DELTA_CLASS_NO:
  case DT_MIPS_DELTA_INSTANCE:
  case DT_MIPS_DELTA_RELOC:
  case DT_MIPS_DELTA_RELOC_NO:
  case DT_MIPS_DELTA_SYM:
  case DT_MIPS_DELTA_SYM_NO:
  case DT_MIPS_DELTA_CLASSSYM:
  case DT_MIPS_DELTA_CLASSSYM_NO:
  case DT_MIPS_CXX_FLAGS:
  case DT_MIPS_PIXIE_INIT:
  case DT_MIPS_SYMBOL_LIB:
  case DT_MIPS_LOCALPAGE_GOTIDX:
  case DT_MIPS_LOCAL_GOTIDX:
  case DT_MIPS_HIDDEN_GOTIDX:
  case DT_MIPS_PROTECTED_GOTIDX:
  case DT_MIPS_OPTIONS:
  case DT_MIPS_INTERFACE:
  case DT_MIPS_DYNSTR_ALIGN:
  case DT_MIPS_INTERFACE_SIZE:
  case DT_MIPS_RLD_TEXT_RESOLVE_ADDR:
  case DT_MIPS_PERF_SUFFIX:
  case DT_MIPS_COMPACT_SIZE:
  case DT_MIPS_GP_VALUE:
  case DT_MIPS_AUX_DYNAMIC:
  case DT_MIPS_PLTGOT:
  case DT_MIPS_RWPLT:
  case DT_MIPS_RLD_MAP_REL:
  case DT_MIPS_XHASH:
    return FormatHexValue(Value);
  case DT_MIPS_FLAGS:
    return FormatFlags(Value, makeArrayRef(ElfDynamicDTMipsFlags));
  default:
    break;
  }
  break;
default:
  break;
}

switch (Type) {
case DT_PLTREL:
  if (Value == DT_REL)
    return "REL";
  if (Value == DT_RELA)
    return "RELA";
  LLVM_FALLTHROUGH[[gnu::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:
  return FormatHexValue(Value);
case DT_RELACOUNT:
case DT_RELCOUNT:
case DT_VERDEFNUM:
case DT_VERNEEDNUM:
  return std::to_string(Value);
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_RELRSZ:
case DT_RELRENT:
case DT_ANDROID_RELSZ:
case DT_ANDROID_RELASZ:
  return std::to_string(Value) + " (bytes)";
case DT_NEEDED:
case DT_SONAME:
case DT_AUXILIARY:
case DT_USED:
case DT_FILTER:
case DT_RPATH:
case DT_RUNPATH: {
  const std::map<uint64_t, const char *> TagNames = {
      {DT_NEEDED, "Shared library"},       {DT_SONAME, "Library soname"},
      {DT_AUXILIARY, "Auxiliary library"}, {DT_USED, "Not needed object"},
      {DT_FILTER, "Filter library"},       {DT_RPATH, "Library rpath"},
      {DT_RUNPATH, "Library runpath"},
  };

  return (Twine(TagNames.at(Type)) + ": [" + getDynamicString(Value) + "]")
      .str();
}
case DT_FLAGS:
  return FormatFlags(Value, makeArrayRef(ElfDynamicDTFlags));
case DT_FLAGS_1:
  return FormatFlags(Value, makeArrayRef(ElfDynamicDTFlags1));
default:
  return FormatHexValue(Value);
}
2373}

2375template <class ELFT>
2376StringRef ELFDumper<ELFT>::getDynamicString(uint64_t Value) const {
if (DynamicStringTable.empty() && !DynamicStringTable.data()) {
  reportUniqueWarning("string table was not found");
  return "<?>";
}

auto WarnAndReturn = [this](const Twine &Msg, uint64_t Offset) {
  reportUniqueWarning("string table at offset 0x" + Twine::utohexstr(Offset) +
                      Msg);
  return "<?>";
};

const uint64_t FileSize = Obj.getBufSize();
const uint64_t Offset =
    (const uint8_t *)DynamicStringTable.data() - Obj.base();
if (DynamicStringTable.size() > FileSize - Offset)
  return WarnAndReturn(" with size 0x" +
                           Twine::utohexstr(DynamicStringTable.size()) +
                           " goes past the end of the file (0x" +
                           Twine::utohexstr(FileSize) + ")",
                       Offset);

if (Value >= DynamicStringTable.size())
  return WarnAndReturn(
      ": unable to read the string at 0x" + Twine::utohexstr(Offset + Value) +
          ": it goes past the end of the table (0x" +
          Twine::utohexstr(Offset + DynamicStringTable.size()) + ")",
      Offset);

if (DynamicStringTable.back() != '\0')
  return WarnAndReturn(": unable to read the string at 0x" +
                           Twine::utohexstr(Offset + Value) +
                           ": the string table is not null-terminated",
                       Offset);

return DynamicStringTable.data() + Value;
2412}

2414template <class ELFT> void ELFDumper<ELFT>::printUnwindInfo() {
DwarfCFIEH::PrinterContext<ELFT> Ctx(W, ObjF);
Ctx.printUnwindInformation();
2417}

2419// The namespace is needed to fix the compilation with GCC older than 7.0+.
2420namespace {
2421template <> void ELFDumper<ELF32LE>::printUnwindInfo() {
if (Obj.getHeader().e_machine == EM_ARM) {
  ARM::EHABI::PrinterContext<ELF32LE> Ctx(W, Obj, ObjF.getFileName(),
                                          DotSymtabSec);
  Ctx.PrintUnwindInformation();
}
DwarfCFIEH::PrinterContext<ELF32LE> Ctx(W, ObjF);
Ctx.printUnwindInformation();
2429}
2430} // namespace

2432template <class ELFT> void ELFDumper<ELFT>::printNeededLibraries() {
ListScope D(W, "NeededLibraries");

std::vector<StringRef> Libs;
for (const auto &Entry : dynamic_table())
  if (Entry.d_tag == ELF::DT_NEEDED)
    Libs.push_back(getDynamicString(Entry.d_un.d_val));

llvm::sort(Libs);

for (StringRef L : Libs)
  W.startLine() << L << "\n";
2444}

2446template <class ELFT>
2447static Error checkHashTable(const ELFDumper<ELFT> &Dumper,
                          const typename ELFT::Hash *H,
                          bool *IsHeaderValid = nullptr) {
const ELFFile<ELFT> &Obj = Dumper.getElfObject().getELFFile();
const uint64_t SecOffset = (const uint8_t *)H - Obj.base();
if (Dumper.getHashTableEntSize() == 8) {
  auto It = llvm::find_if(ElfMachineType, [&](const EnumEntry<unsigned> &E) {
    return E.Value == Obj.getHeader().e_machine;
  });
  if (IsHeaderValid)
    *IsHeaderValid = false;
  return createError("the hash table at 0x" + Twine::utohexstr(SecOffset) +
                     " is not supported: it contains non-standard 8 "
                     "byte entries on " +
                     It->AltName + " platform");
}

auto MakeError = [&](const Twine &Msg = "") {
  return createError("the hash table at offset 0x" +
                     Twine::utohexstr(SecOffset) +
                     " goes past the end of the file (0x" +
                     Twine::utohexstr(Obj.getBufSize()) + ")" + Msg);
};

// Each SHT_HASH section starts from two 32-bit fields: nbucket and nchain.
const unsigned HeaderSize = 2 * sizeof(typename ELFT::Word);

if (IsHeaderValid)
  *IsHeaderValid = Obj.getBufSize() - SecOffset >= HeaderSize;

if (Obj.getBufSize() - SecOffset < HeaderSize)
  return MakeError();

if (Obj.getBufSize() - SecOffset - HeaderSize <
    ((uint64_t)H->nbucket + H->nchain) * sizeof(typename ELFT::Word))
  return MakeError(", nbucket = " + Twine(H->nbucket) +
                   ", nchain = " + Twine(H->nchain));
return Error::success();
2485}

2487template <class ELFT>
2488static Error checkGNUHashTable(const ELFFile<ELFT> &Obj,
                             const typename ELFT::GnuHash *GnuHashTable,
                             bool *IsHeaderValid = nullptr) {
const uint8_t *TableData = reinterpret_cast<const uint8_t *>(GnuHashTable);
assert(TableData >= Obj.base() && TableData < Obj.base() + Obj.getBufSize() &&(static_cast <bool> (TableData >= Obj.base() &&
 TableData < Obj.base() + Obj.getBufSize() && "GnuHashTable must always point to a location inside the file"
) ? void (0) : __assert_fail ("TableData >= Obj.base() && TableData < Obj.base() + Obj.getBufSize() && \"GnuHashTable must always point to a location inside the file\""
, "llvm/tools/llvm-readobj/ELFDumper.cpp", 2493, __extension__
 __PRETTY_FUNCTION__))
       "GnuHashTable must always point to a location inside the file")(static_cast <bool> (TableData >= Obj.base() &&
 TableData < Obj.base() + Obj.getBufSize() && "GnuHashTable must always point to a location inside the file"
) ? void (0) : __assert_fail ("TableData >= Obj.base() && TableData < Obj.base() + Obj.getBufSize() && \"GnuHashTable must always point to a location inside the file\""
, "llvm/tools/llvm-readobj/ELFDumper.cpp", 2493, __extension__
 __PRETTY_FUNCTION__));

uint64_t TableOffset = TableData - Obj.base();
if (IsHeaderValid)
  *IsHeaderValid = TableOffset + /*Header size:*/ 16 < Obj.getBufSize();
if (TableOffset + 16 + (uint64_t)GnuHashTable->nbuckets * 4 +
        (uint64_t)GnuHashTable->maskwords * sizeof(typename ELFT::Off) >=
    Obj.getBufSize())
  return createError("unable to dump the SHT_GNU_HASH "
                     "section at 0x" +
                     Twine::utohexstr(TableOffset) +
                     ": it goes past the end of the file");
return Error::success();
2506}

2508template <typename ELFT> void ELFDumper<ELFT>::printHashTable() {
DictScope D(W, "HashTable");
if (!HashTable)
  return;

bool IsHeaderValid;
Error Err = checkHashTable(*this, HashTable, &IsHeaderValid);
if (IsHeaderValid) {
  W.printNumber("Num Buckets", HashTable->nbucket);
  W.printNumber("Num Chains", HashTable->nchain);
}

if (Err) {
  reportUniqueWarning(std::move(Err));
  return;
}

W.printList("Buckets", HashTable->buckets());
W.printList("Chains", HashTable->chains());
2527}

2529template <class ELFT>
2530static Expected<ArrayRef<typename ELFT::Word>>
2531getGnuHashTableChains(Optional<DynRegionInfo> DynSymRegion,
                    const typename ELFT::GnuHash *GnuHashTable) {
if (!DynSymRegion)
  return createError("no dynamic symbol table found");

ArrayRef<typename ELFT::Sym> DynSymTable =
    DynSymRegion->template getAsArrayRef<typename ELFT::Sym>();
size_t NumSyms = DynSymTable.size();
if (!NumSyms)
  return createError("the dynamic symbol table is empty");

if (GnuHashTable->symndx < NumSyms)
  return GnuHashTable->values(NumSyms);

// A normal empty GNU hash table section produced by linker might have
// symndx set to the number of dynamic symbols + 1 (for the zero symbol)
// and have dummy null values in the Bloom filter and in the buckets
// vector (or no values at all). It happens because the value of symndx is not
// important for dynamic loaders when the GNU hash table is empty. They just
// skip the whole object during symbol lookup. In such cases, the symndx value
// is irrelevant and we should not report a warning.
ArrayRef<typename ELFT::Word> Buckets = GnuHashTable->buckets();
if (!llvm::all_of(Buckets, [](typename ELFT::Word V) { return V == 0; }))
  return createError(
      "the first hashed symbol index (" + Twine(GnuHashTable->symndx) +
      ") is greater than or equal to the number of dynamic symbols (" +
      Twine(NumSyms) + ")");
// There is no way to represent an array of (dynamic symbols count - symndx)
// length.
return ArrayRef<typename ELFT::Word>();
2561}

2563template <typename ELFT>
2564void ELFDumper<ELFT>::printGnuHashTable() {
DictScope D(W, "GnuHashTable");
if (!GnuHashTable)
  return;

bool IsHeaderValid;
Error Err = checkGNUHashTable<ELFT>(Obj, GnuHashTable, &IsHeaderValid);
if (IsHeaderValid) {
  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);
}

if (Err) {
  reportUniqueWarning(std::move(Err));
  return;
}

ArrayRef<typename ELFT::Off> BloomFilter = GnuHashTable->filter();
W.printHexList("Bloom Filter", BloomFilter);

ArrayRef<Elf_Word> Buckets = GnuHashTable->buckets();
W.printList("Buckets", Buckets);

Expected<ArrayRef<Elf_Word>> Chains =
    getGnuHashTableChains<ELFT>(DynSymRegion, GnuHashTable);
if (!Chains) {
  reportUniqueWarning("unable to dump 'Values' for the SHT_GNU_HASH "
                      "section: " +
                      toString(Chains.takeError()));
  return;
}

W.printHexList("Values", *Chains);
2599}

2601template <typename ELFT> void ELFDumper<ELFT>::printLoadName() {
StringRef SOName = "<Not found>";
if (SONameOffset)
  SOName = getDynamicString(*SONameOffset);
W.printString("LoadName", SOName);
2606}

2608template <class ELFT> void ELFDumper<ELFT>::printArchSpecificInfo() {
switch (Obj.getHeader().e_machine) {
case EM_ARM:
  if (Obj.isLE())
    printAttributes(ELF::SHT_ARM_ATTRIBUTES,
                    std::make_unique<ARMAttributeParser>(&W),
                    support::little);
  else
    reportUniqueWarning("attribute printing not implemented for big-endian "
                        "ARM objects");
  break;
case EM_RISCV:
  if (Obj.isLE())
    printAttributes(ELF::SHT_RISCV_ATTRIBUTES,
                    std::make_unique<RISCVAttributeParser>(&W),
                    support::little);
  else
    reportUniqueWarning("attribute printing not implemented for big-endian "
                        "RISC-V objects");
  break;
case EM_MSP430:
  printAttributes(ELF::SHT_MSP430_ATTRIBUTES,
                  std::make_unique<MSP430AttributeParser>(&W),
                  support::little);
  break;
case EM_MIPS: {
  printMipsABIFlags();
  printMipsOptions();
  printMipsReginfo();
  MipsGOTParser<ELFT> Parser(*this);
  if (Error E = Parser.findGOT(dynamic_table(), dynamic_symbols()))
    reportUniqueWarning(std::move(E));
  else if (!Parser.isGotEmpty())
    printMipsGOT(Parser);

  if (Error E = Parser.findPLT(dynamic_table()))
    reportUniqueWarning(std::move(E));
  else if (!Parser.isPltEmpty())
    printMipsPLT(Parser);
  break;
}
default:
  break;
}
2652}

2654template <class ELFT>
2655void ELFDumper<ELFT>::printAttributes(
  unsigned AttrShType, std::unique_ptr<ELFAttributeParser> AttrParser,
  support::endianness Endianness) {
assert((AttrShType != ELF::SHT_NULL) && AttrParser &&(static_cast <bool> ((AttrShType != ELF::SHT_NULL) &&
 AttrParser && "Incomplete ELF attribute implementation"
) ? void (0) : __assert_fail ("(AttrShType != ELF::SHT_NULL) && AttrParser && \"Incomplete ELF attribute implementation\""
, "llvm/tools/llvm-readobj/ELFDumper.cpp", 2659, __extension__
 __PRETTY_FUNCTION__))
       "Incomplete ELF attribute implementation")(static_cast <bool> ((AttrShType != ELF::SHT_NULL) &&
 AttrParser && "Incomplete ELF attribute implementation"
) ? void (0) : __assert_fail ("(AttrShType != ELF::SHT_NULL) && AttrParser && \"Incomplete ELF attribute implementation\""
, "llvm/tools/llvm-readobj/ELFDumper.cpp", 2659, __extension__
 __PRETTY_FUNCTION__));
DictScope BA(W, "BuildAttributes");
for (const Elf_Shdr &Sec : cantFail(Obj.sections())) {
  if (Sec.sh_type != AttrShType)
    continue;

  ArrayRef<uint8_t> Contents;
  if (Expected<ArrayRef<uint8_t>> ContentOrErr =
          Obj.getSectionContents(Sec)) {
    Contents = *ContentOrErr;
    if (Contents.empty()) {
      reportUniqueWarning("the " + describe(Sec) + " is empty");
      continue;
    }
  } else {
    reportUniqueWarning("unable to read the content of the " + describe(Sec) +
                        ": " + toString(ContentOrErr.takeError()));
    continue;
  }

  W.printHex("FormatVersion", Contents[0]);

  if (Error E = AttrParser->parse(Contents, Endianness))
    reportUniqueWarning("unable to dump attributes from the " +
                        describe(Sec) + ": " + toString(std::move(E)));
}
2685}

2687namespace {

2689template <class ELFT> class MipsGOTParser {
2690public:
LLVM_ELF_IMPORT_TYPES_ELFT(ELFT)using Elf_Addr = typename ELFT::Addr; using Elf_Off = typename
 ELFT::Off; using Elf_Half = typename ELFT::Half; using Elf_Word
 = typename ELFT::Word; using Elf_Sword = typename ELFT::Sword
; using Elf_Xword = typename ELFT::Xword; using Elf_Sxword = typename
 ELFT::Sxword; using uintX_t = typename ELFT::uint; using Elf_Ehdr
 = typename ELFT::Ehdr; using Elf_Shdr = typename ELFT::Shdr;
 using Elf_Sym = typename ELFT::Sym; using Elf_Dyn = typename
 ELFT::Dyn; using Elf_Phdr = typename ELFT::Phdr; using Elf_Rel
 = typename ELFT::Rel; using Elf_Rela = typename ELFT::Rela; using
 Elf_Relr = typename ELFT::Relr; using Elf_Verdef = typename ELFT
::Verdef; using Elf_Verdaux = typename ELFT::Verdaux; using Elf_Verneed
 = typename ELFT::Verneed; using Elf_Vernaux = typename ELFT::
Vernaux; using Elf_Versym = typename ELFT::Versym; using Elf_Hash
 = typename ELFT::Hash; using Elf_GnuHash = typename ELFT::GnuHash
; using Elf_Nhdr = typename ELFT::Nhdr; using Elf_Note = typename
 ELFT::Note; using Elf_Note_Iterator = typename ELFT::NoteIterator
; using Elf_CGProfile = typename ELFT::CGProfile; using Elf_Dyn_Range
 = typename ELFT::DynRange; using Elf_Shdr_Range = typename ELFT
::ShdrRange; using Elf_Sym_Range = typename ELFT::SymRange; using
 Elf_Rel_Range = typename ELFT::RelRange; using Elf_Rela_Range
 = typename ELFT::RelaRange; using Elf_Relr_Range = typename ELFT
::RelrRange; using Elf_Phdr_Range = typename ELFT::PhdrRange;
using Entry = typename ELFT::Addr;
using Entries = ArrayRef<Entry>;

const bool IsStatic;
const ELFFile<ELFT> &Obj;
const ELFDumper<ELFT> &Dumper;

MipsGOTParser(const ELFDumper<ELFT> &D);
Error findGOT(Elf_Dyn_Range DynTable, Elf_Sym_Range DynSyms);
Error findPLT(Elf_Dyn_Range DynTable);

bool isGotEmpty() const { return GotEntries.empty(); }
bool isPltEmpty() 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; }
const Elf_Shdr *getPltSymTable() const { return PltSymTable; }

2728private:
const Elf_Shdr *GotSec;
size_t LocalNum;
size_t GlobalNum;

const Elf_Shdr *PltSec;
const Elf_Shdr *PltRelSec;
const Elf_Shdr *PltSymTable;
StringRef FileName;

Elf_Sym_Range GotDynSyms;
StringRef PltStrTable;

Entries GotEntries;
Entries PltEntries;
2743};

2745} // end anonymous namespace

2747template <class ELFT>
2748MipsGOTParser<ELFT>::MipsGOTParser(const ELFDumper<ELFT> &D)
  : IsStatic(D.dynamic_table().empty()), Obj(D.getElfObject().getELFFile()),
    Dumper(D), GotSec(nullptr), LocalNum(0), GlobalNum(0), PltSec(nullptr),
    PltRelSec(nullptr), PltSymTable(nullptr),
    FileName(D.getElfObject().getFileName()) {}

2754template <class ELFT>
2755Error MipsGOTParser<ELFT>::findGOT(Elf_Dyn_Range DynTable,
                                 Elf_Sym_Range DynSyms) {
// 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 = Dumper.findSectionByName(".got");
  if (!GotSec)
    return Error::success();

  ArrayRef<uint8_t> Content =
      unwrapOrError(FileName, Obj.getSectionContents(*GotSec));
  GotEntries = Entries(reinterpret_cast<const Entry *>(Content.data()),
                       Content.size() / sizeof(Entry));
  LocalNum = GotEntries.size();
  return Error::success();
}

// Lookup dynamic table tags which define the GOT layout.
Optional<uint64_t> DtPltGot;
Optional<uint64_t> DtLocalGotNum;
Optional<uint64_t> DtGotSym;
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;
  }
}

if (!DtPltGot && !DtLocalGotNum && !DtGotSym)
  return Error::success();

if (!DtPltGot)
  return createError("cannot find PLTGOT dynamic tag");
if (!DtLocalGotNum)
  return createError("cannot find MIPS_LOCAL_GOTNO dynamic tag");
if (!DtGotSym)
  return createError("cannot find MIPS_GOTSYM dynamic tag");

size_t DynSymTotal = DynSyms.size();
if (*DtGotSym > DynSymTotal)
  return createError("DT_MIPS_GOTSYM value (" + Twine(*DtGotSym) +
                     ") exceeds the number of dynamic symbols (" +
                     Twine(DynSymTotal) + ")");

GotSec = findNotEmptySectionByAddress(Obj, FileName, *DtPltGot);
if (!GotSec)
  return createError("there is no non-empty GOT section at 0x" +
                     Twine::utohexstr(*DtPltGot));

LocalNum = *DtLocalGotNum;
GlobalNum = DynSymTotal - *DtGotSym;

ArrayRef<uint8_t> Content =
    unwrapOrError(FileName, Obj.getSectionContents(*GotSec));
GotEntries = Entries(reinterpret_cast<const Entry *>(Content.data()),
                     Content.size() / sizeof(Entry));
GotDynSyms = DynSyms.drop_front(*DtGotSym);

return Error::success();
2824}

2826template <class ELFT>
2827Error MipsGOTParser<ELFT>::findPLT(Elf_Dyn_Range DynTable) {
// Lookup dynamic table tags which define the PLT layout.
Optional<uint64_t> DtMipsPltGot;
Optional<uint64_t> DtJmpRel;
for (const auto &Entry : DynTable) {
  switch (Entry.getTag()) {
  case ELF::DT_MIPS_PLTGOT:
    DtMipsPltGot = Entry.getVal();
    break;
  case ELF::DT_JMPREL:
    DtJmpRel = Entry.getVal();
    break;
  }
}

if (!DtMipsPltGot && !DtJmpRel)
  return Error::success();

// Find PLT section.
if (!DtMipsPltGot)
  return createError("cannot find MIPS_PLTGOT dynamic tag");
if (!DtJmpRel)
  return createError("cannot find JMPREL dynamic tag");

PltSec = findNotEmptySectionByAddress(Obj, FileName, *DtMipsPltGot);
if (!PltSec)
  return createError("there is no non-empty PLTGOT section at 0x" +
                     Twine::utohexstr(*DtMipsPltGot));

PltRelSec = findNotEmptySectionByAddress(Obj, FileName, *DtJmpRel);
if (!PltRelSec)
  return createError("there is no non-empty RELPLT section at 0x" +
                     Twine::utohexstr(*DtJmpRel));

if (Expected<ArrayRef<uint8_t>> PltContentOrErr =
        Obj.getSectionContents(*PltSec))
  PltEntries =
      Entries(reinterpret_cast<const Entry *>(PltContentOrErr->data()),
              PltContentOrErr->size() / sizeof(Entry));
else
  return createError("unable to read PLTGOT section content: " +
                     toString(PltContentOrErr.takeError()));

if (Expected<const Elf_Shdr *> PltSymTableOrErr =
        Obj.getSection(PltRelSec->sh_link))
  PltSymTable = *PltSymTableOrErr;
else
  return createError("unable to get a symbol table linked to the " +
                     describe(Obj, *PltRelSec) + ": " +
                     toString(PltSymTableOrErr.takeError()));

if (Expected<StringRef> StrTabOrErr =
        Obj.getStringTableForSymtab(*PltSymTable))
  PltStrTable = *StrTabOrErr;
else
  return createError("unable to get a string table for the " +
                     describe(Obj, *PltSymTable) + ": " +
                     toString(StrTabOrErr.takeError()));

return Error::success();
2887}

2889template <class ELFT> uint64_t MipsGOTParser<ELFT>::getGp() const {
return GotSec->sh_addr + 0x7ff0;
2891}

2893template <class ELFT>
2894const typename MipsGOTParser<ELFT>::Entry *
2895MipsGOTParser<ELFT>::getGotLazyResolver() const {
return LocalNum > 0 ? &GotEntries[0] : nullptr;
2897}

2899template <class ELFT>
2900const typename MipsGOTParser<ELFT>::Entry *
2901MipsGOTParser<ELFT>::getGotModulePointer() const {
if (LocalNum < 2)
  return nullptr;
const Entry &E = GotEntries[1];
if ((E >> (sizeof(Entry) * 8 - 1)) == 0)
  return nullptr;
return &E;
2908}

2910template <class ELFT>
2911typename MipsGOTParser<ELFT>::Entries
2912MipsGOTParser<ELFT>::getLocalEntries() const {
size_t Skip = getGotModulePointer() ? 2 : 1;
if (LocalNum - Skip <= 0)
  return Entries();
return GotEntries.slice(Skip, LocalNum - Skip);
2917}

2919template <class ELFT>
2920typename MipsGOTParser<ELFT>::Entries
2921MipsGOTParser<ELFT>::getGlobalEntries() const {
if (GlobalNum == 0)
  return Entries();
return GotEntries.slice(LocalNum, GlobalNum);
2925}

2927template <class ELFT>
2928typename MipsGOTParser<ELFT>::Entries
2929MipsGOTParser<ELFT>::getOtherEntries() const {
size_t OtherNum = GotEntries.size() - LocalNum - GlobalNum;
if (OtherNum == 0)
  return Entries();
return GotEntries.slice(LocalNum + GlobalNum, OtherNum);
2934}

2936template <class ELFT>
2937uint64_t MipsGOTParser<ELFT>::getGotAddress(const Entry *E) const {
int64_t Offset = std::distance(GotEntries.data(), E) * sizeof(Entry);
return GotSec->sh_addr + Offset;
2940}

2942template <class ELFT>
2943int64_t MipsGOTParser<ELFT>::getGotOffset(const Entry *E) const {
int64_t Offset = std::distance(GotEntries.data(), E) * sizeof(Entry);
return Offset - 0x7ff0;
2946}

2948template <class ELFT>
2949const typename MipsGOTParser<ELFT>::Elf_Sym *
2950MipsGOTParser<ELFT>::getGotSym(const Entry *E) const {
int64_t Offset = std::distance(GotEntries.data(), E);
return &GotDynSyms[Offset - LocalNum];
2953}

2955template <class ELFT>
2956const typename MipsGOTParser<ELFT>::Entry *
2957MipsGOTParser<ELFT>::getPltLazyResolver() const {
return PltEntries.empty() ? nullptr : &PltEntries[0];
2959}

2961template <class ELFT>
2962const typename MipsGOTParser<ELFT>::Entry *
2963MipsGOTParser<ELFT>::getPltModulePointer() const {
return PltEntries.size() < 2 ? nullptr : &PltEntries[1];
2965}

2967template <class ELFT>
2968typename MipsGOTParser<ELFT>::Entries
2969MipsGOTParser<ELFT>::getPltEntries() const {
if (PltEntries.size() <= 2)
  return Entries();
return PltEntries.slice(2, PltEntries.size() - 2);
2973}

2975template <class ELFT>
2976uint64_t MipsGOTParser<ELFT>::getPltAddress(const Entry *E) const {
int64_t Offset = std::distance(PltEntries.data(), E) * sizeof(Entry);
return PltSec->sh_addr + Offset;
2979}

2981template <class ELFT>
2982const typename MipsGOTParser<ELFT>::Elf_Sym *
2983MipsGOTParser<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(FileName, Obj.rels(*PltRelSec));
  return unwrapOrError(FileName,
                       Obj.getRelocationSymbol(Rels[Offset], PltSymTable));
} else {
  Elf_Rela_Range Rels = unwrapOrError(FileName, Obj.relas(*PltRelSec));
  return unwrapOrError(FileName,
                       Obj.getRelocationSymbol(Rels[Offset], PltSymTable));
}
2994}

2996const 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}
3017};

3019const 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},
3035};

3037const 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}
3048};

3050static const EnumEntry<unsigned> ElfMipsFlags1[] {
{"ODDSPREG", Mips::AFL_FLAGS1_ODDSPREG},
3052};

3054static 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;
}
3067}

3069template <class ELFT>
3070static 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]);
3078}

3080template <class ELFT> void ELFDumper<ELFT>::printMipsReginfo() {
const Elf_Shdr *RegInfoSec = findSectionByName(".reginfo");
if (!RegInfoSec) {
  W.startLine() << "There is no .reginfo section in the file.\n";
  return;
}

Expected<ArrayRef<uint8_t>> ContentsOrErr =
    Obj.getSectionContents(*RegInfoSec);
if (!ContentsOrErr) {
  this->reportUniqueWarning(
      "unable to read the content of the .reginfo section (" +
      describe(*RegInfoSec) + "): " + toString(ContentsOrErr.takeError()));
  return;
}

if (ContentsOrErr->size() < sizeof(Elf_Mips_RegInfo<ELFT>)) {
  this->reportUniqueWarning("the .reginfo section has an invalid size (0x" +
                            Twine::utohexstr(ContentsOrErr->size()) + ")");
  return;
}

DictScope GS(W, "MIPS RegInfo");
printMipsReginfoData(W, *reinterpret_cast<const Elf_Mips_RegInfo<ELFT> *>(
                            ContentsOrErr->data()));
3105}

3107template <class ELFT>
3108static Expected<const Elf_Mips_Options<ELFT> *>
3109readMipsOptions(const uint8_t *SecBegin, ArrayRef<uint8_t> &SecData,
              bool &IsSupported) {
if (SecData.size() < sizeof(Elf_Mips_Options<ELFT>))
  return createError("the .MIPS.options section has an invalid size (0x" +
                     Twine::utohexstr(SecData.size()) + ")");

const Elf_Mips_Options<ELFT> *O =
    reinterpret_cast<const Elf_Mips_Options<ELFT> *>(SecData.data());
const uint8_t Size = O->size;
if (Size > SecData.size()) {
  const uint64_t Offset = SecData.data() - SecBegin;
  const uint64_t SecSize = Offset + SecData.size();
  return createError("a descriptor of size 0x" + Twine::utohexstr(Size) +
                     " at offset 0x" + Twine::utohexstr(Offset) +
                     " goes past the end of the .MIPS.options "
                     "section of size 0x" +
                     Twine::utohexstr(SecSize));
}

IsSupported = O->kind == ODK_REGINFO;
const size_t ExpectedSize =
    sizeof(Elf_Mips_Options<ELFT>) + sizeof(Elf_Mips_RegInfo<ELFT>);

if (IsSupported)
  if (Size < ExpectedSize)
    return createError(
        "a .MIPS.options entry of kind " +
        Twine(getElfMipsOptionsOdkType(O->kind)) +
        " has an invalid size (0x" + Twine::utohexstr(Size) +
        "), the expected size is 0x" + Twine::utohexstr(ExpectedSize));

SecData = SecData.drop_front(Size);
return O;
3142}

3144template <class ELFT> void ELFDumper<ELFT>::printMipsOptions() {
const Elf_Shdr *MipsOpts = findSectionByName(".MIPS.options");
if (!MipsOpts) {
  W.startLine() << "There is no .MIPS.options section in the file.\n";
  return;
}

DictScope GS(W, "MIPS Options");

ArrayRef<uint8_t> Data =
    unwrapOrError(ObjF.getFileName(), Obj.getSectionContents(*MipsOpts));
const uint8_t *const SecBegin = Data.begin();
while (!Data.empty()) {
  bool IsSupported;
  Expected<const Elf_Mips_Options<ELFT> *> OptsOrErr =
      readMipsOptions<ELFT>(SecBegin, Data, IsSupported);
  if (!OptsOrErr) {
    reportUniqueWarning(OptsOrErr.takeError());
    break;
  }

  unsigned Kind = (*OptsOrErr)->kind;
  const char *Type = getElfMipsOptionsOdkType(Kind);
  if (!IsSupported) {
    W.startLine() << "Unsupported MIPS options tag: " << Type << " (" << Kind
                  << ")\n";
    continue;
  }

  DictScope GS(W, Type);
  if (Kind == ODK_REGINFO)
    printMipsReginfoData(W, (*OptsOrErr)->getRegInfo());
  else
    llvm_unreachable("unexpected .MIPS.options section descriptor kind")::llvm::llvm_unreachable_internal("unexpected .MIPS.options section descriptor kind"
, "llvm/tools/llvm-readobj/ELFDumper.cpp", 3177);
}
3179}

3181template <class ELFT> void ELFDumper<ELFT>::printStackMap() const {
const Elf_Shdr *StackMapSection = findSectionByName(".llvm_stackmaps");
if (!StackMapSection)
  return;

auto Warn = [&](Error &&E) {
  this->reportUniqueWarning("unable to read the stack map from " +
                            describe(*StackMapSection) + ": " +
                            toString(std::move(E)));
};

Expected<ArrayRef<uint8_t>> ContentOrErr =
    Obj.getSectionContents(*StackMapSection);
if (!ContentOrErr) {
  Warn(ContentOrErr.takeError());
  return;
}

if (Error E = StackMapParser<ELFT::TargetEndianness>::validateHeader(
        *ContentOrErr)) {
  Warn(std::move(E));
  return;
}

prettyPrintStackMap(W, StackMapParser<ELFT::TargetEndianness>(*ContentOrErr));
3206}

3208template <class ELFT>
3209void ELFDumper<ELFT>::printReloc(const Relocation<ELFT> &R, unsigned RelIndex,
                               const Elf_Shdr &Sec, const Elf_Shdr *SymTab) {
Expected<RelSymbol<ELFT>> Target = getRelocationTarget(R, SymTab);
if (!Target)
  reportUniqueWarning("unable to print relocation " + Twine(RelIndex) +
                      " in " + describe(Sec) + ": " +
                      toString(Target.takeError()));
else
  printRelRelaReloc(R, *Target);
3218}

3220static inline void printFields(formatted_raw_ostream &OS, StringRef Str1,
                             StringRef Str2) {
OS.PadToColumn(2u);
OS << Str1;
OS.PadToColumn(37u);
OS << Str2 << "\n";
OS.flush();
3227}

3229template <class ELFT>
3230static std::string getSectionHeadersNumString(const ELFFile<ELFT> &Obj,
                                            StringRef FileName) {
const typename ELFT::Ehdr &ElfHeader = Obj.getHeader();
if (ElfHeader.e_shnum != 0)
  return to_string(ElfHeader.e_shnum);

Expected<ArrayRef<typename ELFT::Shdr>> ArrOrErr = Obj.sections();
if (!ArrOrErr) {
  // In this case we can ignore an error, because we have already reported a
  // warning about the broken section header table earlier.
  consumeError(ArrOrErr.takeError());
  return "<?>";
}

if (ArrOrErr->empty())
  return "0";
return "0 (" + to_string((*ArrOrErr)[0].sh_size) + ")";
3247}

3249template <class ELFT>
3250static std::string getSectionHeaderTableIndexString(const ELFFile<ELFT> &Obj,
                                                  StringRef FileName) {
const typename ELFT::Ehdr &ElfHeader = Obj.getHeader();
if (ElfHeader.e_shstrndx != SHN_XINDEX)
  return to_string(ElfHeader.e_shstrndx);

Expected<ArrayRef<typename ELFT::Shdr>> ArrOrErr = Obj.sections();
if (!ArrOrErr) {
  // In this case we can ignore an error, because we have already reported a
  // warning about the broken section header table earlier.
  consumeError(ArrOrErr.takeError());
  return "<?>";
}

if (ArrOrErr->empty())
  return "65535 (corrupt: out of range)";
return to_string(ElfHeader.e_shstrndx) + " (" +
       to_string((*ArrOrErr)[0].sh_link) + ")";
3268}

3270static const EnumEntry<unsigned> *getObjectFileEnumEntry(unsigned Type) {
auto It = llvm::find_if(ElfObjectFileType, [&](const EnumEntry<unsigned> &E) {
  return E.Value == Type;
});
if (It != makeArrayRef(ElfObjectFileType).end())
  return It;
return nullptr;
3277}

3279template <class ELFT>
3280void GNUELFDumper<ELFT>::printFileSummary(StringRef FileStr, ObjectFile &Obj,
                                        ArrayRef<std::string> InputFilenames,
                                        const Archive *A) {
if (InputFilenames.size() > 1 || A) {
  this->W.startLine() << "\n";
  this->W.printString("File", FileStr);
}
3287}

3289template <class ELFT> void GNUELFDumper<ELFT>::printFileHeaders() {
const Elf_Ehdr &e = this->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 = enumToString(e.e_ident[ELF::EI_CLASS], makeArrayRef(ElfClass));
printFields(OS, "Class:", Str);
Str = enumToString(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 = enumToString(e.e_ident[ELF::EI_OSABI], makeArrayRef(ElfOSABI));
printFields(OS, "OS/ABI:", Str);
printFields(OS,
            "ABI Version:", std::to_string(e.e_ident[ELF::EI_ABIVERSION]));

if (const EnumEntry<unsigned> *E = getObjectFileEnumEntry(e.e_type)) {
  Str = E->AltName.str();
} else {
  if (e.e_type >= ET_LOPROC)
    Str = "Processor Specific: (" + to_hexString(e.e_type, false) + ")";
  else if (e.e_type >= ET_LOOS)
    Str = "OS Specific: (" + to_hexString(e.e_type, false) + ")";
  else
    Str = "<unknown>: " + to_hexString(e.e_type, false);
}
printFields(OS, "Type:", Str);

Str = enumToString(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));
else if (e.e_machine == EM_AVR)
  ElfFlags = printFlags(e.e_flags, makeArrayRef(ElfHeaderAVRFlags),
                        unsigned(ELF::EF_AVR_ARCH_MASK));
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(this->Obj, this->FileName);
printFields(OS, "Number of section headers:", Str);
Str = getSectionHeaderTableIndexString(this->Obj, this->FileName);
printFields(OS, "Section header string table index:", Str);
3362}

3364template <class ELFT> std::vector<GroupSection> ELFDumper<ELFT>::getGroups() {
auto GetSignature = [&](const Elf_Sym &Sym, unsigned SymNdx,
                        const Elf_Shdr &Symtab) -> StringRef {
  Expected<StringRef> StrTableOrErr = Obj.getStringTableForSymtab(Symtab);
  if (!StrTableOrErr) {
    reportUniqueWarning("unable to get the string table for " +
                        describe(Symtab) + ": " +
                        toString(StrTableOrErr.takeError()));
    return "<?>";
  }

  StringRef Strings = *StrTableOrErr;
  if (Sym.st_name >= Strings.size()) {
    reportUniqueWarning("unable to get the name of the symbol with index " +
                        Twine(SymNdx) + ": st_name (0x" +
                        Twine::utohexstr(Sym.st_name) +
                        ") is past the end of the string table of size 0x" +
                        Twine::utohexstr(Strings.size()));
    return "<?>";
  }

  return StrTableOrErr->data() + Sym.st_name;
};

std::vector<GroupSection> Ret;
uint64_t I = 0;
for (const Elf_Shdr &Sec : cantFail(Obj.sections())) {
  ++I;
  if (Sec.sh_type != ELF::SHT_GROUP)
    continue;

  StringRef Signature = "<?>";
  if (Expected<const Elf_Shdr *> SymtabOrErr = Obj.getSection(Sec.sh_link)) {
    if (Expected<const Elf_Sym *> SymOrErr =
            Obj.template getEntry<Elf_Sym>(**SymtabOrErr, Sec.sh_info))
      Signature = GetSignature(**SymOrErr, Sec.sh_info, **SymtabOrErr);
    else
      reportUniqueWarning("unable to get the signature symbol for " +
                          describe(Sec) + ": " +
                          toString(SymOrErr.takeError()));
  } else {
    reportUniqueWarning("unable to get the symbol table for " +
                        describe(Sec) + ": " +
                        toString(SymtabOrErr.takeError()));
  }

  ArrayRef<Elf_Word> Data;
  if (Expected<ArrayRef<Elf_Word>> ContentsOrErr =
          Obj.template getSectionContentsAsArray<Elf_Word>(Sec)) {
    if (ContentsOrErr->empty())
      reportUniqueWarning("unable to read the section group flag from the " +
                          describe(Sec) + ": the section is empty");
    else
      Data = *ContentsOrErr;
  } else {
    reportUniqueWarning("unable to get the content of the " + describe(Sec) +
                        ": " + toString(ContentsOrErr.takeError()));
  }

  Ret.push_back({getPrintableSectionName(Sec),
                 maybeDemangle(Signature),
                 Sec.sh_name,
                 I - 1,
                 Sec.sh_link,
                 Sec.sh_info,
                 Data.empty() ? Elf_Word(0) : Data[0],
                 {}});

  if (Data.empty())
    continue;

  std::vector<GroupMember> &GM = Ret.back().Members;
  for (uint32_t Ndx : Data.slice(1)) {
    if (Expected<const Elf_Shdr *> SecOrErr = Obj.getSection(Ndx)) {
      GM.push_back({getPrintableSectionName(**SecOrErr), Ndx});
    } else {
      reportUniqueWarning("unable to get the section with index " +
                          Twine(Ndx) + " when dumping the " + describe(Sec) +
                          ": " + toString(SecOrErr.takeError()));
      GM.push_back({"<?>", Ndx});
    }
  }
}
return Ret;
3448}

3450static DenseMap<uint64_t, const GroupSection *>
3451mapSectionsToGroups(ArrayRef<GroupSection> Groups) {
DenseMap<uint64_t, const GroupSection *> Ret;
for (const GroupSection &G : Groups)
  for (const GroupMember &GM : G.Members)
    Ret.insert({GM.Index, &G});
return Ret;
3457}

3459template <class ELFT> void GNUELFDumper<ELFT>::printGroupSections() {
std::vector<GroupSection> V = this->getGroups();
DenseMap<uint64_t, const GroupSection *> Map = mapSectionsToGroups(V);
for (const GroupSection &G : V) {
  OS << "\n"
     << getGroupType(G.Type) << " group section ["
     << format_decimal(G.Index, 5) << "] `" << G.Name << "' [" << G.Signature
     << "] contains " << G.Members.size() << " sections:\n"
     << "   [Index]    Name\n";
  for (const GroupMember &GM : G.Members) {
    const GroupSection *MainGroup = Map[GM.Index];
    if (MainGroup != &G)
      this->reportUniqueWarning(
          "section with index " + Twine(GM.Index) +
          ", included in the group section with index " +
          Twine(MainGroup->Index) +
          ", was also found in the group section with index " +
          Twine(G.Index));
    OS << "   [" << format_decimal(GM.Index, 5) << "]   " << GM.Name << "\n";
  }
}

if (V.empty())
  OS << "There are no section groups in this file.\n";
3483}

3485template <class ELFT>
3486void GNUELFDumper<ELFT>::printRelrReloc(const Elf_Relr &R) {
OS << to_string(format_hex_no_prefix(R, ELFT::Is64Bits ? 16 : 8)) << "\n";
3488}

3490template <class ELFT>
3491void GNUELFDumper<ELFT>::printRelRelaReloc(const Relocation<ELFT> &R,
                                         const RelSymbol<ELFT> &RelSym) {
// First two fields are bit width dependent. The rest of them are fixed width.
unsigned Bias = ELFT::Is64Bits ? 8 : 0;
Field Fields[5] = {0, 10 + Bias, 19 + 2 * Bias, 42 + 2 * Bias, 53 + 2 * Bias};
unsigned Width = ELFT::Is64Bits ? 16 : 8;

Fields[0].Str = to_string(format_hex_no_prefix(R.Offset, Width));
Fields[1].Str = to_string(format_hex_no_prefix(R.Info, Width));

SmallString<32> RelocName;
this->Obj.getRelocationTypeName(R.Type, RelocName);
Fields[2].Str = RelocName.c_str();

if (RelSym.Sym)
  Fields[3].Str =
      to_string(format_hex_no_prefix(RelSym.Sym->getValue(), Width));

Fields[4].Str = std::string(RelSym.Name);
for (const Field &F : Fields)
  printField(F);

std::string Addend;
if (Optional<int64_t> A = R.Addend) {
  int64_t RelAddend = *A;
  if (!RelSym.Name.empty()) {
    if (RelAddend < 0) {
      Addend = " - ";
      RelAddend = std::abs(RelAddend);
    } else {
      Addend = " + ";
    }
  }
  Addend += to_hexString(RelAddend, false);
}
OS << Addend << "\n";
3527}

3529template <class ELFT>
3530static void printRelocHeaderFields(formatted_raw_ostream &OS, unsigned SType) {
bool IsRela = SType == ELF::SHT_RELA || SType == ELF::SHT_ANDROID_RELA;
bool IsRelr = SType == ELF::SHT_RELR || SType == ELF::SHT_ANDROID_RELR;
if (ELFT::Is64Bits)
  OS << "    ";
else
  OS << " ";
if (IsRelr && opts::RawRelr)
  OS << "Data  ";
else
  OS << "Offset";
if (ELFT::Is64Bits)
  OS << "             Info             Type"
     << "               Symbol's Value  Symbol's Name";
else
  OS << "     Info    Type                Sym. Value  Symbol's Name";
if (IsRela)
  OS << " + Addend";
OS << "\n";
3549}

3551template <class ELFT>
3552void GNUELFDumper<ELFT>::printDynamicRelocHeader(unsigned Type, StringRef Name,
                                               const DynRegionInfo &Reg) {
uint64_t Offset = Reg.Addr - this->Obj.base();
OS << "\n'" << Name.str().c_str() << "' relocation section at offset 0x"
   << to_hexString(Offset, false) << " contains " << Reg.Size << " bytes:\n";
printRelocHeaderFields<ELFT>(OS, Type);
3558}

3560template <class ELFT>
3561static bool isRelocationSec(const typename ELFT::Shdr &Sec) {
return Sec.sh_type == ELF::SHT_REL || Sec.sh_type == ELF::SHT_RELA ||
       Sec.sh_type == ELF::SHT_RELR || Sec.sh_type == ELF::SHT_ANDROID_REL ||
       Sec.sh_type == ELF::SHT_ANDROID_RELA ||
       Sec.sh_type == ELF::SHT_ANDROID_RELR;
3566}

3568template <class ELFT> void GNUELFDumper<ELFT>::printRelocations() {
auto GetEntriesNum = [&](const Elf_Shdr &Sec) -> Expected<size_t> {
  // Android's packed relocation section needs to be unpacked first
  // to get the actual number of entries.
  if (Sec.sh_type == ELF::SHT_ANDROID_REL ||
      Sec.sh_type == ELF::SHT_ANDROID_RELA) {
    Expected<std::vector<typename ELFT::Rela>> RelasOrErr =
        this->Obj.android_relas(Sec);
    if (!RelasOrErr)
      return RelasOrErr.takeError();
    return RelasOrErr->size();
  }

  if (!opts::RawRelr && (Sec.sh_type == ELF::SHT_RELR ||
                         Sec.sh_type == ELF::SHT_ANDROID_RELR)) {
    Expected<Elf_Relr_Range> RelrsOrErr = this->Obj.relrs(Sec);
    if (!RelrsOrErr)
      return RelrsOrErr.takeError();
    return this->Obj.decode_relrs(*RelrsOrErr).size();
  }

  return Sec.getEntityCount();
};

bool HasRelocSections = false;
for (const Elf_Shdr &Sec : cantFail(this->Obj.sections())) {
  if (!isRelocationSec<ELFT>(Sec))
    continue;
  HasRelocSections = true;

  std::string EntriesNum = "<?>";
  if (Expected<size_t> NumOrErr = GetEntriesNum(Sec))
    EntriesNum = std::to_string(*NumOrErr);
  else
    this->reportUniqueWarning("unable to get the number of relocations in " +
                              this->describe(Sec) + ": " +
                              toString(NumOrErr.takeError()));

  uintX_t Offset = Sec.sh_offset;
  StringRef Name = this->getPrintableSectionName(Sec);
  OS << "\nRelocation section '" << Name << "' at offset 0x"
     << to_hexString(Offset, false) << " contains " << EntriesNum
     << " entries:\n";
  printRelocHeaderFields<ELFT>(OS, Sec.sh_type);
  this->printRelocationsHelper(Sec);
}
if (!HasRelocSections)
  OS << "\nThere are no relocations in this file.\n";
3616}

3618// Print the offset of a particular section from anyone of the ranges:
3619// [SHT_LOOS, SHT_HIOS], [SHT_LOPROC, SHT_HIPROC], [SHT_LOUSER, SHT_HIUSER].
3620// If 'Type' does not fall within any of those ranges, then a string is
3621// returned as '<unknown>' followed by the type value.
3622static std::string getSectionTypeOffsetString(unsigned Type) {
if (Type >= SHT_LOOS && Type <= SHT_HIOS)
  return "LOOS+0x" + to_hexString(Type - SHT_LOOS);
else if (Type >= SHT_LOPROC && Type <= SHT_HIPROC)
  return "LOPROC+0x" + to_hexString(Type - SHT_LOPROC);
else if (Type >= SHT_LOUSER && Type <= SHT_HIUSER)
  return "LOUSER+0x" + to_hexString(Type - SHT_LOUSER);
return "0x" + to_hexString(Type) + ": <unknown>";
3630}

3632static std::string getSectionTypeString(unsigned Machine, unsigned Type) {
StringRef Name = getELFSectionTypeName(Machine, Type);

// Handle SHT_GNU_* type names.
if (Name.startswith("SHT_GNU_")) {
  if (Name == "SHT_GNU_HASH")
    return "GNU_HASH";
  // E.g. SHT_GNU_verneed -> VERNEED.
  return Name.drop_front(8).upper();
}

if (Name == "SHT_SYMTAB_SHNDX")
  return "SYMTAB SECTION INDICES";

if (Name.startswith("SHT_"))
  return Name.drop_front(4).str();
return getSectionTypeOffsetString(Type);
3649}

3651static void printSectionDescription(formatted_raw_ostream &OS,
                                  unsigned EMachine) {
OS << "Key to Flags:\n";
OS << "  W (write), A (alloc), X (execute), M (merge), S (strings), I "
      "(info),\n";
OS << "  L (link order), O (extra OS processing required), G (group), T "
      "(TLS),\n";
OS << "  C (compressed), x (unknown), o (OS specific), E (exclude),\n";
OS << "  R (retain)";

if (EMachine == EM_X86_64)
  OS << ", l (large)";
else if (EMachine == EM_ARM)
  OS << ", y (purecode)";

OS << ", p (processor specific)\n";
3667}

3669template <class ELFT> void GNUELFDumper<ELFT>::printSectionHeaders() {
unsigned Bias = ELFT::Is64Bits ? 0 : 8;
ArrayRef<Elf_Shdr> Sections = cantFail(this->Obj.sections());
OS << "There are " << to_string(Sections.size())
   << " section headers, starting at offset "
   << "0x" << to_hexString(this->Obj.getHeader().e_shoff, false) << ":\n\n";
OS << "Section Headers:\n";
Field Fields[11] = {
    {"[Nr]", 2},        {"Name", 7},        {"Type", 25},
    {"Address", 41},    {"Off", 58 - Bias}, {"Size", 65 - Bias},
    {"ES", 72 - Bias},  {"Flg", 75 - Bias}, {"Lk", 79 - Bias},
    {"Inf", 82 - Bias}, {"Al", 86 - Bias}};
for (const Field &F : Fields)
  printField(F);
OS << "\n";

StringRef SecStrTable;
if (Expected<StringRef> SecStrTableOrErr =
        this->Obj.getSectionStringTable(Sections, this->WarningHandler))
  SecStrTable = *SecStrTableOrErr;
else
  this->reportUniqueWarning(SecStrTableOrErr.takeError());

size_t SectionIndex = 0;
for (const Elf_Shdr &Sec : Sections) {
  Fields[0].Str = to_string(SectionIndex);
  if (SecStrTable.empty())
    Fields[1].Str = "<no-strings>";
  else
    Fields[1].Str = std::string(unwrapOrError<StringRef>(
        this->FileName, this->Obj.getSectionName(Sec, SecStrTable)));
  Fields[2].Str =
      getSectionTypeString(this->Obj.getHeader().e_machine, Sec.sh_type);
  Fields[3].Str =
      to_string(format_hex_no_prefix(Sec.sh_addr, ELFT::Is64Bits ? 16 : 8));
  Fields[4].Str = to_string(format_hex_no_prefix(Sec.sh_offset, 6));
  Fields[5].Str = to_string(format_hex_no_prefix(Sec.sh_size, 6));
  Fields[6].Str = to_string(format_hex_no_prefix(Sec.sh_entsize, 2));
  Fields[7].Str = getGNUFlags(this->Obj.getHeader().e_ident[ELF::EI_OSABI],
                              this->Obj.getHeader().e_machine, Sec.sh_flags);
  Fields[8].Str = to_string(Sec.sh_link);
  Fields[9].Str = to_string(Sec.sh_info);
  Fields[10].Str = to_string(Sec.sh_addralign);

  OS.PadToColumn(Fields[0].Column);
  OS << "[" << right_justify(Fields[0].Str, 2) << "]";
  for (int i = 1; i < 7; i++)
    printField(Fields[i]);
  OS.PadToColumn(Fields[7].Column);
  OS << right_justify(Fields[7].Str, 3);
  OS.PadToColumn(Fields[8].Column);
  OS << right_justify(Fields[8].Str, 2);
  OS.PadToColumn(Fields[9].Column);
  OS << right_justify(Fields[9].Str, 3);
  OS.PadToColumn(Fields[10].Column);
  OS << right_justify(Fields[10].Str, 2);
  OS << "\n";
  ++SectionIndex;
}
printSectionDescription(OS, this->Obj.getHeader().e_machine);
3729}

3731template <class ELFT>
3732void GNUELFDumper<ELFT>::printSymtabMessage(const Elf_Shdr *Symtab,
                                          size_t Entries,
                                          bool NonVisibilityBitsUsed) const {
StringRef Name;
if (Symtab)
  Name = this->getPrintableSectionName(*Symtab);
if (!Name.empty())
  OS << "\nSymbol table '" << Name << "'";
else
  OS << "\nSymbol table for image";
OS << " contains " << Entries << " entries:\n";

if (ELFT::Is64Bits)
  OS << "   Num:    Value          Size Type    Bind   Vis";
else
  OS << "   Num:    Value  Size Type    Bind   Vis";

if (NonVisibilityBitsUsed)
  OS << "             ";
OS << "       Ndx Name\n";
3752}

3754template <class ELFT>
3755std::string
3756GNUELFDumper<ELFT>::getSymbolSectionNdx(const Elf_Sym &Symbol,
                                      unsigned SymIndex,
                                      DataRegion<Elf_Word> ShndxTable) const {
unsigned SectionIndex = Symbol.st_shndx;
switch (SectionIndex) {
case ELF::SHN_UNDEF:
  return "UND";
case ELF::SHN_ABS:
  return "ABS";
case ELF::SHN_COMMON:
  return "COM";
case ELF::SHN_XINDEX: {
  Expected<uint32_t> IndexOrErr =
      object::getExtendedSymbolTableIndex<ELFT>(Symbol, SymIndex, ShndxTable);
  if (!IndexOrErr) {
    assert(Symbol.st_shndx == SHN_XINDEX &&(static_cast <bool> (Symbol.st_shndx == SHN_XINDEX &&
 "getExtendedSymbolTableIndex should only fail due to an invalid "
 "SHT_SYMTAB_SHNDX table/reference") ? void (0) : __assert_fail
 ("Symbol.st_shndx == SHN_XINDEX && \"getExtendedSymbolTableIndex should only fail due to an invalid \" \"SHT_SYMTAB_SHNDX table/reference\""
, "llvm/tools/llvm-readobj/ELFDumper.cpp", 3773, __extension__
 __PRETTY_FUNCTION__))
           "getExtendedSymbolTableIndex should only fail due to an invalid "(static_cast <bool> (Symbol.st_shndx == SHN_XINDEX &&
 "getExtendedSymbolTableIndex should only fail due to an invalid "
 "SHT_SYMTAB_SHNDX table/reference") ? void (0) : __assert_fail
 ("Symbol.st_shndx == SHN_XINDEX && \"getExtendedSymbolTableIndex should only fail due to an invalid \" \"SHT_SYMTAB_SHNDX table/reference\""
, "llvm/tools/llvm-readobj/ELFDumper.cpp", 3773, __extension__
 __PRETTY_FUNCTION__))
           "SHT_SYMTAB_SHNDX table/reference")(static_cast <bool> (Symbol.st_shndx == SHN_XINDEX &&
 "getExtendedSymbolTableIndex should only fail due to an invalid "
 "SHT_SYMTAB_SHNDX table/reference") ? void (0) : __assert_fail
 ("Symbol.st_shndx == SHN_XINDEX && \"getExtendedSymbolTableIndex should only fail due to an invalid \" \"SHT_SYMTAB_SHNDX table/reference\""
, "llvm/tools/llvm-readobj/ELFDumper.cpp", 3773, __extension__
 __PRETTY_FUNCTION__));
    this->reportUniqueWarning(IndexOrErr.takeError());
    return "RSV[0xffff]";
  }
  return to_string(format_decimal(*IndexOrErr, 3));
}
default:
  // Find if:
  // Processor specific
  if (SectionIndex >= ELF::SHN_LOPROC && SectionIndex <= ELF::SHN_HIPROC)
    return std::string("PRC[0x") +
           to_string(format_hex_no_prefix(SectionIndex, 4)) + "]";
  // OS specific
  if (SectionIndex >= ELF::SHN_LOOS && SectionIndex <= ELF::SHN_HIOS)
    return std::string("OS[0x") +
           to_string(format_hex_no_prefix(SectionIndex, 4)) + "]";
  // Architecture reserved:
  if (SectionIndex >= ELF::SHN_LORESERVE &&
      SectionIndex <= ELF::SHN_HIRESERVE)
    return std::string("RSV[0x") +
           to_string(format_hex_no_prefix(SectionIndex, 4)) + "]";
  // A normal section with an index
  return to_string(format_decimal(SectionIndex, 3));
}
3797}

3799template <class ELFT>
3800void GNUELFDumper<ELFT>::printSymbol(const Elf_Sym &Symbol, unsigned SymIndex,
                                   DataRegion<Elf_Word> ShndxTable,
                                   Optional<StringRef> StrTable,
                                   bool IsDynamic,
                                   bool NonVisibilityBitsUsed) const {
unsigned Bias = ELFT::Is64Bits ? 8 : 0;
Field Fields[8] = {0,         8,         17 + Bias, 23 + Bias,
                   31 + Bias, 38 + Bias, 48 + Bias, 51 + Bias};
Fields[0].Str = to_string(format_decimal(SymIndex, 6)) + ":";
Fields[1].Str =
    to_string(format_hex_no_prefix(Symbol.st_value, ELFT::Is64Bits ? 16 : 8));
Fields[2].Str = to_string(format_decimal(Symbol.st_size, 5));

unsigned char SymbolType = Symbol.getType();
if (this->Obj.getHeader().e_machine == ELF::EM_AMDGPU &&
    SymbolType >= ELF::STT_LOOS && SymbolType < ELF::STT_HIOS)
  Fields[3].Str = enumToString(SymbolType, makeArrayRef(AMDGPUSymbolTypes));
else
  Fields[3].Str = enumToString(SymbolType, makeArrayRef(ElfSymbolTypes));

Fields[4].Str =
    enumToString(Symbol.getBinding(), makeArrayRef(ElfSymbolBindings));
Fields[5].Str =
    enumToString(Symbol.getVisibility(), makeArrayRef(ElfSymbolVisibilities));

if (Symbol.st_other & ~0x3) {
  if (this->Obj.getHeader().e_machine == ELF::EM_AARCH64) {
    uint8_t Other = Symbol.st_other & ~0x3;
    if (Other & STO_AARCH64_VARIANT_PCS) {
      Other &= ~STO_AARCH64_VARIANT_PCS;
      Fields[5].Str += " [VARIANT_PCS";
      if (Other != 0)
        Fields[5].Str.append(" | " + to_hexString(Other, false));
      Fields[5].Str.append("]");
    }
  } else if (this->Obj.getHeader().e_machine == ELF::EM_RISCV) {
    uint8_t Other = Symbol.st_other & ~0x3;
    if (Other & STO_RISCV_VARIANT_CC) {
      Other &= ~STO_RISCV_VARIANT_CC;
      Fields[5].Str += " [VARIANT_CC";
      if (Other != 0)
        Fields[5].Str.append(" | " + to_hexString(Other, false));
      Fields[5].Str.append("]");
    }
  } else {
    Fields[5].Str +=
        " [<other: " + to_string(format_hex(Symbol.st_other, 2)) + ">]";
  }
}

Fields[6].Column += NonVisibilityBitsUsed ? 13 : 0;
Fields[6].Str = getSymbolSectionNdx(Symbol, SymIndex, ShndxTable);

Fields[7].Str = this->getFullSymbolName(Symbol, SymIndex, ShndxTable,
                                        StrTable, IsDynamic);
for (const Field &Entry : Fields)
  printField(Entry);
OS << "\n";
3858}

3860template <class ELFT>
3861void GNUELFDumper<ELFT>::printHashedSymbol(const Elf_Sym *Symbol,
                                         unsigned SymIndex,
                                         DataRegion<Elf_Word> ShndxTable,
                                         StringRef StrTable,
                                         uint32_t Bucket) {
unsigned Bias = ELFT::Is64Bits20.1
'Is64Bits' is true
 ? 8 : 0;
21
←
'?' condition is true→
Field Fields[9] = {0,         6,         11,        20 + Bias, 25 + Bias,
                   34 + Bias, 41 + Bias, 49 + Bias, 53 + Bias};
Fields[0].Str = to_string(format_decimal(SymIndex, 5));
Fields[1].Str = to_string(format_decimal(Bucket, 3)) + ":";

Fields[2].Str = to_string(
    format_hex_no_prefix(Symbol->st_value, ELFT::Is64Bits21.1
'Is64Bits' is true
 ? 16 : 8));
22
←
'?' condition is true→
Fields[3].Str = to_string(format_decimal(Symbol->st_size, 5));

unsigned char SymbolType = Symbol->getType();
if (this->Obj.getHeader().e_machine == ELF::EM_AMDGPU &&
23
←
Assuming the condition is false→
    SymbolType >= ELF::STT_LOOS && SymbolType < ELF::STT_HIOS)
  Fields[4].Str = enumToString(SymbolType, makeArrayRef(AMDGPUSymbolTypes));
else
  Fields[4].Str = enumToString(SymbolType, makeArrayRef(ElfSymbolTypes));

Fields[5].Str =
    enumToString(Symbol->getBinding(), makeArrayRef(ElfSymbolBindings));
Fields[6].Str = enumToString(Symbol->getVisibility(),
                             makeArrayRef(ElfSymbolVisibilities));
Fields[7].Str = getSymbolSectionNdx(*Symbol, SymIndex, ShndxTable);
Fields[8].Str =
    this->getFullSymbolName(*Symbol, SymIndex, ShndxTable, StrTable, true);
24
←
Calling 'ELFDumper::getFullSymbolName'→

for (const Field &Entry : Fields)
  printField(Entry);
OS << "\n";
3894}

3896template <class ELFT>
3897void GNUELFDumper<ELFT>::printSymbols(bool PrintSymbols,
                                    bool PrintDynamicSymbols) {
if (!PrintSymbols && !PrintDynamicSymbols)
  return;
// GNU readelf prints both the .dynsym and .symtab with --symbols.
this->printSymbolsHelper(true);
if (PrintSymbols)
  this->printSymbolsHelper(false);
3905}

3907template <class ELFT>
3908void GNUELFDumper<ELFT>::printHashTableSymbols(const Elf_Hash &SysVHash) {
if (this->DynamicStringTable.empty())
5
←
Assuming the condition is false→
6
←
Taking false branch→
  return;

if (ELFT::Is64Bits6.1
'Is64Bits' is true
)
7
←
Taking true branch→
  OS << "  Num Buc:    Value          Size   Type   Bind Vis      Ndx Name";
else
  OS << "  Num Buc:    Value  Size   Type   Bind Vis      Ndx Name";
OS << "\n";

Elf_Sym_Range DynSyms = this->dynamic_symbols();
const Elf_Sym *FirstSym = DynSyms.empty() ? nullptr : &DynSyms[0];
8
←
Assuming the condition is false→
9
←
'?' condition is false→
if (!FirstSym9.1
'FirstSym' is non-null
) {
10
←
Taking false branch→
  this->reportUniqueWarning(
      Twine("unable to print symbols for the .hash table: the "
            "dynamic symbol table ") +
      (this->DynSymRegion ? "is empty" : "was not found"));
  return;
}

DataRegion<Elf_Word> ShndxTable(
    (const Elf_Word *)this->DynSymTabShndxRegion.Addr, this->Obj.end());
auto Buckets = SysVHash.buckets();
auto Chains = SysVHash.chains();
for (uint32_t Buc = 0; Buc < SysVHash.nbucket; Buc++) {
11
←
Assuming the condition is true→
12
←
Loop condition is true.  Entering loop body→
  if (Buckets[Buc] == ELF::STN_UNDEF)
13
←
Assuming the condition is false→
14
←
Taking false branch→
    continue;
  BitVector Visited(SysVHash.nchain);
  for (uint32_t Ch = Buckets[Buc]; Ch < SysVHash.nchain; Ch = Chains[Ch]) {
15
←
Assuming the condition is true→
16
←
Loop condition is true.  Entering loop body→
    if (Ch == ELF::STN_UNDEF)
17
←
Assuming 'Ch' is not equal to STN_UNDEF→
18
←
Taking false branch→
      break;

    if (Visited[Ch]) {
19
←
Taking false branch→
      this->reportUniqueWarning(".hash section is invalid: bucket " +
                                Twine(Ch) +
                                ": a cycle was detected in the linked chain");
      break;
    }

    printHashedSymbol(FirstSym + Ch, Ch, ShndxTable, this->DynamicStringTable,
20
←
Calling 'GNUELFDumper::printHashedSymbol'→
                      Buc);
    Visited[Ch] = true;
  }
}
3952}

3954template <class ELFT>
3955void GNUELFDumper<ELFT>::printGnuHashTableSymbols(const Elf_GnuHash &GnuHash) {
if (this->DynamicStringTable.empty())
  return;

Elf_Sym_Range DynSyms = this->dynamic_symbols();
const Elf_Sym *FirstSym = DynSyms.empty() ? nullptr : &DynSyms[0];
if (!FirstSym) {
  this->reportUniqueWarning(
      Twine("unable to print symbols for the .gnu.hash table: the "
            "dynamic symbol table ") +
      (this->DynSymRegion ? "is empty" : "was not found"));
  return;
}

auto GetSymbol = [&](uint64_t SymIndex,
                     uint64_t SymsTotal) -> const Elf_Sym * {
  if (SymIndex >= SymsTotal) {
    this->reportUniqueWarning(
        "unable to print hashed symbol with index " + Twine(SymIndex) +
        ", which is greater than or equal to the number of dynamic symbols "
        "(" +
        Twine::utohexstr(SymsTotal) + ")");
    return nullptr;
  }
  return FirstSym + SymIndex;
};

Expected<ArrayRef<Elf_Word>> ValuesOrErr =
    getGnuHashTableChains<ELFT>(this->DynSymRegion, &GnuHash);
ArrayRef<Elf_Word> Values;
if (!ValuesOrErr)
  this->reportUniqueWarning("unable to get hash values for the SHT_GNU_HASH "
                            "section: " +
                            toString(ValuesOrErr.takeError()));
else
  Values = *ValuesOrErr;

DataRegion<Elf_Word> ShndxTable(
    (const Elf_Word *)this->DynSymTabShndxRegion.Addr, this->Obj.end());
ArrayRef<Elf_Word> Buckets = GnuHash.buckets();
for (uint32_t Buc = 0; Buc < GnuHash.nbuckets; Buc++) {
  if (Buckets[Buc] == ELF::STN_UNDEF)
    continue;
  uint32_t Index = Buckets[Buc];
  // Print whole chain.
  while (true) {
    uint32_t SymIndex = Index++;
    if (const Elf_Sym *Sym = GetSymbol(SymIndex, DynSyms.size()))
      printHashedSymbol(Sym, SymIndex, ShndxTable, this->DynamicStringTable,
                        Buc);
    else
      break;

    if (SymIndex < GnuHash.symndx) {
      this->reportUniqueWarning(
          "unable to read the hash value for symbol with index " +
          Twine(SymIndex) +
          ", which is less than the index of the first hashed symbol (" +
          Twine(GnuHash.symndx) + ")");
      break;
    }

     // Chain ends at symbol with stopper bit.
    if ((Values[SymIndex - GnuHash.symndx] & 1) == 1)
      break;
  }
}
4022}

4024template <class ELFT> void GNUELFDumper<ELFT>::printHashSymbols() {
if (this->HashTable) {
1
Assuming field 'HashTable' is non-null→
2
←
Taking true branch→
  OS << "\n Symbol table of .hash for image:\n";
  if (Error E = checkHashTable<ELFT>(*this, this->HashTable))
3
←
Taking false branch→
    this->reportUniqueWarning(std::move(E));
  else
    printHashTableSymbols(*this->HashTable);
4
←
Calling 'GNUELFDumper::printHashTableSymbols'→
}

// Try printing the .gnu.hash table.
if (this->GnuHashTable) {
  OS << "\n Symbol table of .gnu.hash for image:\n";
  if (ELFT::Is64Bits)
    OS << "  Num Buc:    Value          Size   Type   Bind Vis      Ndx Name";
  else
    OS << "  Num Buc:    Value  Size   Type   Bind Vis      Ndx Name";
  OS << "\n";

  if (Error E = checkGNUHashTable<ELFT>(this->Obj, this->GnuHashTable))
    this->reportUniqueWarning(std::move(E));
  else
    printGnuHashTableSymbols(*this->GnuHashTable);
}
4047}

4049template <class ELFT> void GNUELFDumper<ELFT>::printSectionDetails() {
ArrayRef<Elf_Shdr> Sections = cantFail(this->Obj.sections());
OS << "There are " << to_string(Sections.size())
   << " section headers, starting at offset "
   << "0x" << to_hexString(this->Obj.getHeader().e_shoff, false) << ":\n\n";

OS << "Section Headers:\n";

auto PrintFields = [&](ArrayRef<Field> V) {
  for (const Field &F : V)
    printField(F);
  OS << "\n";
};

PrintFields({{"[Nr]", 2}, {"Name", 7}});

constexpr bool Is64 = ELFT::Is64Bits;
PrintFields({{"Type", 7},
             {Is64 ? "Address" : "Addr", 23},
             {"Off", Is64 ? 40 : 32},
             {"Size", Is64 ? 47 : 39},
             {"ES", Is64 ? 54 : 46},
             {"Lk", Is64 ? 59 : 51},
             {"Inf", Is64 ? 62 : 54},
             {"Al", Is64 ? 66 : 57}});
PrintFields({{"Flags", 7}});

StringRef SecStrTable;
if (Expected<StringRef> SecStrTableOrErr =
        this->Obj.getSectionStringTable(Sections, this->WarningHandler))
  SecStrTable = *SecStrTableOrErr;
else
  this->reportUniqueWarning(SecStrTableOrErr.takeError());

size_t SectionIndex = 0;
const unsigned AddrSize = Is64 ? 16 : 8;
for (const Elf_Shdr &S : Sections) {
  StringRef Name = "<?>";
  if (Expected<StringRef> NameOrErr =
          this->Obj.getSectionName(S, SecStrTable))
    Name = *NameOrErr;
  else
    this->reportUniqueWarning(NameOrErr.takeError());

  OS.PadToColumn(2);
  OS << "[" << right_justify(to_string(SectionIndex), 2) << "]";
  PrintFields({{Name, 7}});
  PrintFields(
      {{getSectionTypeString(this->Obj.getHeader().e_machine, S.sh_type), 7},
       {to_string(format_hex_no_prefix(S.sh_addr, AddrSize)), 23},
       {to_string(format_hex_no_prefix(S.sh_offset, 6)), Is64 ? 39 : 32},
       {to_string(format_hex_no_prefix(S.sh_size, 6)), Is64 ? 47 : 39},
       {to_string(format_hex_no_prefix(S.sh_entsize, 2)), Is64 ? 54 : 46},
       {to_string(S.sh_link), Is64 ? 59 : 51},
       {to_string(S.sh_info), Is64 ? 63 : 55},
       {to_string(S.sh_addralign), Is64 ? 66 : 58}});

  OS.PadToColumn(7);
  OS << "[" << to_string(format_hex_no_prefix(S.sh_flags, AddrSize)) << "]: ";

  DenseMap<unsigned, StringRef> FlagToName = {
      {SHF_WRITE, "WRITE"},           {SHF_ALLOC, "ALLOC"},
      {SHF_EXECINSTR, "EXEC"},        {SHF_MERGE, "MERGE"},
      {SHF_STRINGS, "STRINGS"},       {SHF_INFO_LINK, "INFO LINK"},
      {SHF_LINK_ORDER, "LINK ORDER"}, {SHF_OS_NONCONFORMING, "OS NONCONF"},
      {SHF_GROUP, "GROUP"},           {SHF_TLS, "TLS"},
      {SHF_COMPRESSED, "COMPRESSED"}, {SHF_EXCLUDE, "EXCLUDE"}};

  uint64_t Flags = S.sh_flags;
  uint64_t UnknownFlags = 0;
  ListSeparator LS;
  while (Flags) {
    // Take the least significant bit as a flag.
    uint64_t Flag = Flags & -Flags;
    Flags -= Flag;

    auto It = FlagToName.find(Flag);
    if (It != FlagToName.end())
      OS << LS << It->second;
    else
      UnknownFlags |= Flag;
  }

  auto PrintUnknownFlags = [&](uint64_t Mask, StringRef Name) {
    uint64_t FlagsToPrint = UnknownFlags & Mask;
    if (!FlagsToPrint)
      return;

    OS << LS << Name << " ("
       << to_string(format_hex_no_prefix(FlagsToPrint, AddrSize)) << ")";
    UnknownFlags &= ~Mask;
  };

  PrintUnknownFlags(SHF_MASKOS, "OS");
  PrintUnknownFlags(SHF_MASKPROC, "PROC");
  PrintUnknownFlags(uint64_t(-1), "UNKNOWN");

  OS << "\n";
  ++SectionIndex;
}
4149}

4151static inline std::string printPhdrFlags(unsigned Flag) {
std::string Str;
Str = (Flag & PF_R) ? "R" : " ";
Str += (Flag & PF_W) ? "W" : " ";
Str += (Flag & PF_X) ? "E" : " ";
return Str;
4157}

4159template <class ELFT>
4160static bool checkTLSSections(const typename ELFT::Phdr &Phdr,
                           const typename ELFT::Shdr &Sec) {
if (Sec.sh_flags & ELF::SHF_TLS) {
  // .tbss must only be shown in the PT_TLS segment.
  if (Sec.sh_type == ELF::SHT_NOBITS)
    return Phdr.p_type == ELF::PT_TLS;

  // SHF_TLS sections are only shown in PT_TLS, PT_LOAD or PT_GNU_RELRO
  // segments.
  return (Phdr.p_type == ELF::PT_TLS) || (Phdr.p_type == ELF::PT_LOAD) ||
         (Phdr.p_type == ELF::PT_GNU_RELRO);
}

// PT_TLS must only have SHF_TLS sections.
return Phdr.p_type != ELF::PT_TLS;
4175}

4177template <class ELFT>
4178static bool checkOffsets(const typename ELFT::Phdr &Phdr,
                       const typename ELFT::Shdr &Sec) {
// SHT_NOBITS sections don't need to have an offset inside the segment.
if (Sec.sh_type == ELF::SHT_NOBITS)
  return true;

if (Sec.sh_offset < Phdr.p_offset)
  return false;

// Only non-empty sections can be at the end of a segment.
if (Sec.sh_size == 0)
  return (Sec.sh_offset + 1 <= Phdr.p_offset + Phdr.p_filesz);
return Sec.sh_offset + Sec.sh_size <= Phdr.p_offset + Phdr.p_filesz;
4191}

4193// Check that an allocatable section belongs to a virtual address
4194// space of a segment.
4195template <class ELFT>
4196static bool checkVMA(const typename ELFT::Phdr &Phdr,
                   const typename ELFT::Shdr &Sec) {
if (!(Sec.sh_flags & ELF::SHF_ALLOC))
  return true;

if (Sec.sh_addr < Phdr.p_vaddr)
  return false;

bool IsTbss =
    (Sec.sh_type == ELF::SHT_NOBITS) && ((Sec.sh_flags & ELF::SHF_TLS) != 0);
// .tbss is special, it only has memory in PT_TLS and has NOBITS properties.
bool IsTbssInNonTLS = IsTbss && Phdr.p_type != ELF::PT_TLS;
// Only non-empty sections can be at the end of a segment.
if (Sec.sh_size == 0 || IsTbssInNonTLS)
  return Sec.sh_addr + 1 <= Phdr.p_vaddr + Phdr.p_memsz;
return Sec.sh_addr + Sec.sh_size <= Phdr.p_vaddr + Phdr.p_memsz;
4212}

4214template <class ELFT>
4215static bool checkPTDynamic(const typename ELFT::Phdr &Phdr,
                         const typename ELFT::Shdr &Sec) {
if (Phdr.p_type != ELF::PT_DYNAMIC || Phdr.p_memsz == 0 || Sec.sh_size != 0)
  return true;

// We get here when we have an empty section. Only non-empty sections can be
// at the start or at the end of PT_DYNAMIC.
// Is section within the phdr both based on offset and VMA?
bool CheckOffset = (Sec.sh_type == ELF::SHT_NOBITS) ||
                   (Sec.sh_offset > Phdr.p_offset &&
                    Sec.sh_offset < Phdr.p_offset + Phdr.p_filesz);
bool CheckVA = !(Sec.sh_flags & ELF::SHF_ALLOC) ||
               (Sec.sh_addr > Phdr.p_vaddr && Sec.sh_addr < Phdr.p_memsz);
return CheckOffset && CheckVA;
4229}

4231template <class ELFT>
4232void GNUELFDumper<ELFT>::printProgramHeaders(
  bool PrintProgramHeaders, cl::boolOrDefault PrintSectionMapping) {
if (PrintProgramHeaders)
  printProgramHeaders();

// Display the section mapping along with the program headers, unless
// -section-mapping is explicitly set to false.
if (PrintSectionMapping != cl::BOU_FALSE)
  printSectionMapping();
4241}

4243template <class ELFT> void GNUELFDumper<ELFT>::printProgramHeaders() {
unsigned Bias = ELFT::Is64Bits ? 8 : 0;
const Elf_Ehdr &Header = this->Obj.getHeader();
Field Fields[8] = {2,         17,        26,        37 + Bias,
                   48 + Bias, 56 + Bias, 64 + Bias, 68 + Bias};
OS << "\nElf file type is "
   << enumToString(Header.e_type, makeArrayRef(ElfObjectFileType)) << "\n"
   << "Entry point " << format_hex(Header.e_entry, 3) << "\n"
   << "There are " << Header.e_phnum << " program headers,"
   << " starting at offset " << Header.e_phoff << "\n\n"
   << "Program Headers:\n";
if (ELFT::Is64Bits)
  OS << "  Type           Offset   VirtAddr           PhysAddr         "
     << "  FileSiz  MemSiz   Flg Align\n";
else
  OS << "  Type           Offset   VirtAddr   PhysAddr   FileSiz "
     << "MemSiz  Flg Align\n";

unsigned Width = ELFT::Is64Bits ? 18 : 10;
unsigned SizeWidth = ELFT::Is64Bits ? 8 : 7;

Expected<ArrayRef<Elf_Phdr>> PhdrsOrErr = this->Obj.program_headers();
if (!PhdrsOrErr) {
  this->reportUniqueWarning("unable to dump program headers: " +
                            toString(PhdrsOrErr.takeError()));
  return;
}

for (const Elf_Phdr &Phdr : *PhdrsOrErr) {
  Fields[0].Str = getGNUPtType(Header.e_machine, Phdr.p_type);
  Fields[1].Str = to_string(format_hex(Phdr.p_offset, 8));
  Fields[2].Str = to_string(format_hex(Phdr.p_vaddr, Width));
  Fields[3].Str = to_string(format_hex(Phdr.p_paddr, Width));
  Fields[4].Str = to_string(format_hex(Phdr.p_filesz, SizeWidth));
  Fields[5].Str = to_string(format_hex(Phdr.p_memsz, SizeWidth));
  Fields[6].Str = printPhdrFlags(Phdr.p_flags);
  Fields[7].Str = to_string(format_hex(Phdr.p_align, 1));
  for (const Field &F : Fields)
    printField(F);
  if (Phdr.p_type == ELF::PT_INTERP) {
    OS << "\n";
    auto ReportBadInterp = [&](const Twine &Msg) {
      this->reportUniqueWarning(
          "unable to read program interpreter name at offset 0x" +
          Twine::utohexstr(Phdr.p_offset) + ": " + Msg);
    };

    if (Phdr.p_offset >= this->Obj.getBufSize()) {
      ReportBadInterp("it goes past the end of the file (0x" +
                      Twine::utohexstr(this->Obj.getBufSize()) + ")");
      continue;
    }

    const char *Data =
        reinterpret_cast<const char *>(this->Obj.base()) + Phdr.p_offset;
    size_t MaxSize = this->Obj.getBufSize() - Phdr.p_offset;
    size_t Len = strnlen(Data, MaxSize);
    if (Len == MaxSize) {
      ReportBadInterp("it is not null-terminated");
      continue;
    }

    OS << "      [Requesting program interpreter: ";
    OS << StringRef(Data, Len) << "]";
  }
  OS << "\n";
}
4310}

4312template <class ELFT> void GNUELFDumper<ELFT>::printSectionMapping() {
OS << "\n Section to Segment mapping:\n  Segment Sections...\n";
DenseSet<const Elf_Shdr *> BelongsToSegment;
int Phnum = 0;

Expected<ArrayRef<Elf_Phdr>> PhdrsOrErr = this->Obj.program_headers();
if (!PhdrsOrErr) {
  this->reportUniqueWarning(
      "can't read program headers to build section to segment mapping: " +
      toString(PhdrsOrErr.takeError()));
  return;
}

for (const Elf_Phdr &Phdr : *PhdrsOrErr) {
  std::string Sections;
  OS << format("   %2.2d     ", Phnum++);
  // Check if each section is in a segment and then print mapping.
  for (const Elf_Shdr &Sec : cantFail(this->Obj.sections())) {
    if (Sec.sh_type == ELF::SHT_NULL)
      continue;

    // readelf additionally makes sure it does not print zero sized sections
    // at end of segments and for PT_DYNAMIC both start and end of section
    // .tbss must only be shown in PT_TLS section.
    if (checkTLSSections<ELFT>(Phdr, Sec) && checkOffsets<ELFT>(Phdr, Sec) &&
        checkVMA<ELFT>(Phdr, Sec) && checkPTDynamic<ELFT>(Phdr, Sec)) {
      Sections +=
          unwrapOrError(this->FileName, this->Obj.getSectionName(Sec)).str() +
          " ";
      BelongsToSegment.insert(&Sec);
    }
  }
  OS << Sections << "\n";
  OS.flush();
}

// Display sections that do not belong to a segment.
std::string Sections;
for (const Elf_Shdr &Sec : cantFail(this->Obj.sections())) {
  if (BelongsToSegment.find(&Sec) == BelongsToSegment.end())
    Sections +=
        unwrapOrError(this->FileName, this->Obj.getSectionName(Sec)).str() +
        ' ';
}
if (!Sections.empty()) {
  OS << "   None  " << Sections << '\n';
  OS.flush();
}
4360}

4362namespace {

4364template <class ELFT>
4365RelSymbol<ELFT> getSymbolForReloc(const ELFDumper<ELFT> &Dumper,
                                const Relocation<ELFT> &Reloc) {
using Elf_Sym = typename ELFT::Sym;
auto WarnAndReturn = [&](const Elf_Sym *Sym,
                         const Twine &Reason) -> RelSymbol<ELFT> {
  Dumper.reportUniqueWarning(
      "unable to get name of the dynamic symbol with index " +
      Twine(Reloc.Symbol) + ": " + Reason);
  return {Sym, "<corrupt>"};
};

ArrayRef<Elf_Sym> Symbols = Dumper.dynamic_symbols();
const Elf_Sym *FirstSym = Symbols.begin();
if (!FirstSym)
  return WarnAndReturn(nullptr, "no dynamic symbol table found");

// We might have an object without a section header. In this case the size of
// Symbols is zero, because there is no way to know the size of the dynamic
// table. We should allow this case and not print a warning.
if (!Symbols.empty() && Reloc.Symbol >= Symbols.size())
  return WarnAndReturn(
      nullptr,
      "index is greater than or equal to the number of dynamic symbols (" +
          Twine(Symbols.size()) + ")");

const ELFFile<ELFT> &Obj = Dumper.getElfObject().getELFFile();
const uint64_t FileSize = Obj.getBufSize();
const uint64_t SymOffset = ((const uint8_t *)FirstSym - Obj.base()) +
                           (uint64_t)Reloc.Symbol * sizeof(Elf_Sym);
if (SymOffset + sizeof(Elf_Sym) > FileSize)
  return WarnAndReturn(nullptr, "symbol at 0x" + Twine::utohexstr(SymOffset) +
                                    " goes past the end of the file (0x" +
                                    Twine::utohexstr(FileSize) + ")");

const Elf_Sym *Sym = FirstSym + Reloc.Symbol;
Expected<StringRef> ErrOrName = Sym->getName(Dumper.getDynamicStringTable());
if (!ErrOrName)
  return WarnAndReturn(Sym, toString(ErrOrName.takeError()));

return {Sym == FirstSym ? nullptr : Sym, maybeDemangle(*ErrOrName)};
4405}
4406} // namespace

4408template <class ELFT>
4409static size_t getMaxDynamicTagSize(const ELFFile<ELFT> &Obj,
                                 typename ELFT::DynRange Tags) {
size_t Max = 0;
for (const typename ELFT::Dyn &Dyn : Tags)
  Max = std::max(Max, Obj.getDynamicTagAsString(Dyn.d_tag).size());
return Max;
4415}

4417template <class ELFT> void GNUELFDumper<ELFT>::printDynamicTable() {
Elf_Dyn_Range Table = this->dynamic_table();
if (Table.empty())
  return;

OS << "Dynamic section at offset "
   << format_hex(reinterpret_cast<const uint8_t *>(this->DynamicTable.Addr) -
                     this->Obj.base(),
                 1)
   << " contains " << Table.size() << " entries:\n";

// The type name is surrounded with round brackets, hence add 2.
size_t MaxTagSize = getMaxDynamicTagSize(this->Obj, Table) + 2;
// The "Name/Value" column should be indented from the "Type" column by N
// spaces, where N = MaxTagSize - length of "Type" (4) + trailing
// space (1) = 3.
OS << "  Tag" + std::string(ELFT::Is64Bits ? 16 : 8, ' ') + "Type"
   << std::string(MaxTagSize - 3, ' ') << "Name/Value\n";

std::string ValueFmt = " %-" + std::to_string(MaxTagSize) + "s ";
for (auto Entry : Table) {
  uintX_t Tag = Entry.getTag();
  std::string Type =
      std::string("(") + this->Obj.getDynamicTagAsString(Tag) + ")";
  std::string Value = this->getDynamicEntry(Tag, Entry.getVal());
  OS << "  " << format_hex(Tag, ELFT::Is64Bits ? 18 : 10)
     << format(ValueFmt.c_str(), Type.c_str()) << Value << "\n";
}
4445}

4447template <class ELFT> void GNUELFDumper<ELFT>::printDynamicRelocations() {
this->printDynamicRelocationsHelper();
4449}

4451template <class ELFT>
4452void ELFDumper<ELFT>::printDynamicReloc(const Relocation<ELFT> &R) {
printRelRelaReloc(R, getSymbolForReloc(*this, R));
4454}

4456template <class ELFT>
4457void ELFDumper<ELFT>::printRelocationsHelper(const Elf_Shdr &Sec) {
this->forEachRelocationDo(
    Sec, opts::RawRelr,
    [&](const Relocation<ELFT> &R, unsigned Ndx, const Elf_Shdr &Sec,
        const Elf_Shdr *SymTab) { printReloc(R, Ndx, Sec, SymTab); },
    [&](const Elf_Relr &R) { printRelrReloc(R); });
4463}

4465template <class ELFT> void ELFDumper<ELFT>::printDynamicRelocationsHelper() {
const bool IsMips64EL = this->Obj.isMips64EL();
if (this->DynRelaRegion.Size > 0) {
  printDynamicRelocHeader(ELF::SHT_RELA, "RELA", this->DynRelaRegion);
  for (const Elf_Rela &Rela :
       this->DynRelaRegion.template getAsArrayRef<Elf_Rela>())
    printDynamicReloc(Relocation<ELFT>(Rela, IsMips64EL));
}

if (this->DynRelRegion.Size > 0) {
  printDynamicRelocHeader(ELF::SHT_REL, "REL", this->DynRelRegion);
  for (const Elf_Rel &Rel :
       this->DynRelRegion.template getAsArrayRef<Elf_Rel>())
    printDynamicReloc(Relocation<ELFT>(Rel, IsMips64EL));
}

if (this->DynRelrRegion.Size > 0) {
  printDynamicRelocHeader(ELF::SHT_REL, "RELR", this->DynRelrRegion);
  Elf_Relr_Range Relrs =
      this->DynRelrRegion.template getAsArrayRef<Elf_Relr>();
  for (const Elf_Rel &Rel : Obj.decode_relrs(Relrs))
    printDynamicReloc(Relocation<ELFT>(Rel, IsMips64EL));
}

if (this->DynPLTRelRegion.Size) {
  if (this->DynPLTRelRegion.EntSize == sizeof(Elf_Rela)) {
    printDynamicRelocHeader(ELF::SHT_RELA, "PLT", this->DynPLTRelRegion);
    for (const Elf_Rela &Rela :
         this->DynPLTRelRegion.template getAsArrayRef<Elf_Rela>())
      printDynamicReloc(Relocation<ELFT>(Rela, IsMips64EL));
  } else {
    printDynamicRelocHeader(ELF::SHT_REL, "PLT", this->DynPLTRelRegion);
    for (const Elf_Rel &Rel :
         this->DynPLTRelRegion.template getAsArrayRef<Elf_Rel>())
      printDynamicReloc(Relocation<ELFT>(Rel, IsMips64EL));
  }
}
4502}

4504template <class ELFT>
4505void GNUELFDumper<ELFT>::printGNUVersionSectionProlog(
  const typename ELFT::Shdr &Sec, const Twine &Label, unsigned EntriesNum) {
// Don't inline the SecName, because it might report a warning to stderr and
// corrupt the output.
StringRef SecName = this->getPrintableSectionName(Sec);
OS << Label << " section '" << SecName << "' "
   << "contains " << EntriesNum << " entries:\n";

StringRef LinkedSecName = "<corrupt>";
if (Expected<const typename ELFT::Shdr *> LinkedSecOrErr =
        this->Obj.getSection(Sec.sh_link))
  LinkedSecName = this->getPrintableSectionName(**LinkedSecOrErr);
else
  this->reportUniqueWarning("invalid section linked to " +
                            this->describe(Sec) + ": " +
                            toString(LinkedSecOrErr.takeError()));

OS << " Addr: " << format_hex_no_prefix(Sec.sh_addr, 16)
   << "  Offset: " << format_hex(Sec.sh_offset, 8)
   << "  Link: " << Sec.sh_link << " (" << LinkedSecName << ")\n";
4525}

4527template <class ELFT>
4528void GNUELFDumper<ELFT>::printVersionSymbolSection(const Elf_Shdr *Sec) {
if (!Sec)
  return;

printGNUVersionSectionProlog(*Sec, "Version symbols",
                             Sec->sh_size / sizeof(Elf_Versym));
Expected<ArrayRef<Elf_Versym>> VerTableOrErr =
    this->getVersionTable(*Sec, /*SymTab=*/nullptr,
                          /*StrTab=*/nullptr, /*SymTabSec=*/nullptr);
if (!VerTableOrErr) {
  this->reportUniqueWarning(VerTableOrErr.takeError());
  return;
}

SmallVector<Optional<VersionEntry>, 0> *VersionMap = nullptr;
if (Expected<SmallVector<Optional<VersionEntry>, 0> *> MapOrErr =
        this->getVersionMap())
  VersionMap = *MapOrErr;
else
  this->reportUniqueWarning(MapOrErr.takeError());

ArrayRef<Elf_Versym> VerTable = *VerTableOrErr;
std::vector<StringRef> Versions;
for (size_t I = 0, E = VerTable.size(); I < E; ++I) {
  unsigned Ndx = VerTable[I].vs_index;
  if (Ndx == VER_NDX_LOCAL || Ndx == VER_NDX_GLOBAL) {
    Versions.emplace_back(Ndx == VER_NDX_LOCAL ? "*local*" : "*global*");
    continue;
  }

  if (!VersionMap) {
    Versions.emplace_back("<corrupt>");
    continue;
  }

  bool IsDefault;
  Expected<StringRef> NameOrErr = this->Obj.getSymbolVersionByIndex(
      Ndx, IsDefault, *VersionMap, /*IsSymHidden=*/None);
  if (!NameOrErr) {
    this->reportUniqueWarning("unable to get a version for entry " +
                              Twine(I) + " of " + this->describe(*Sec) +
                              ": " + toString(NameOrErr.takeError()));
    Versions.emplace_back("<corrupt>");
    continue;
  }
  Versions.emplace_back(*NameOrErr);
}

// readelf prints 4 entries per line.
uint64_t Entries = VerTable.size();
for (uint64_t VersymRow = 0; VersymRow < Entries; VersymRow += 4) {
  OS << "  " << format_hex_no_prefix(VersymRow, 3) << ":";
  for (uint64_t I = 0; (I < 4) && (I + VersymRow) < Entries; ++I) {
    unsigned Ndx = VerTable[VersymRow + I].vs_index;
    OS << format("%4x%c", Ndx & VERSYM_VERSION,
                 Ndx & VERSYM_HIDDEN ? 'h' : ' ');
    OS << left_justify("(" + std::string(Versions[VersymRow + I]) + ")", 13);
  }
  OS << '\n';
}
OS << '\n';
4589}

4591static std::string versionFlagToString(unsigned Flags) {
if (Flags == 0)
  return "none";

std::string Ret;
auto AddFlag = [&Ret, &Flags](unsigned Flag, StringRef Name) {
  if (!(Flags & Flag))
    return;
  if (!Ret.empty())
    Ret += " | ";
  Ret += Name;
  Flags &= ~Flag;
};

AddFlag(VER_FLG_BASE, "BASE");
AddFlag(VER_FLG_WEAK, "WEAK");
AddFlag(VER_FLG_INFO, "INFO");
AddFlag(~0, "<unknown>");
return Ret;
4610}

4612template <class ELFT>
4613void GNUELFDumper<ELFT>::printVersionDefinitionSection(const Elf_Shdr *Sec) {
if (!Sec)
  return;

printGNUVersionSectionProlog(*Sec, "Version definition", Sec->sh_info);

Expected<std::vector<VerDef>> V = this->Obj.getVersionDefinitions(*Sec);
if (!V) {
  this->reportUniqueWarning(V.takeError());
  return;
}

for (const VerDef &Def : *V) {
  OS << format("  0x%04x: Rev: %u  Flags: %s  Index: %u  Cnt: %u  Name: %s\n",
               Def.Offset, Def.Version,
               versionFlagToString(Def.Flags).c_str(), Def.Ndx, Def.Cnt,
               Def.Name.data());
  unsigned I = 0;
  for (const VerdAux &Aux : Def.AuxV)
    OS << format("  0x%04x: Parent %u: %s\n", Aux.Offset, ++I,
                 Aux.Name.data());
}

OS << '\n';
4637}

4639template <class ELFT>
4640void GNUELFDumper<ELFT>::printVersionDependencySection(const Elf_Shdr *Sec) {
if (!Sec)
  return;

unsigned VerneedNum = Sec->sh_info;
printGNUVersionSectionProlog(*Sec, "Version needs", VerneedNum);

Expected<std::vector<VerNeed>> V =
    this->Obj.getVersionDependencies(*Sec, this->WarningHandler);
if (!V) {
  this->reportUniqueWarning(V.takeError());
  return;
}

for (const VerNeed &VN : *V) {
  OS << format("  0x%04x: Version: %u  File: %s  Cnt: %u\n", VN.Offset,
               VN.Version, VN.File.data(), VN.Cnt);
  for (const VernAux &Aux : VN.AuxV)
    OS << format("  0x%04x:   Name: %s  Flags: %s  Version: %u\n", Aux.Offset,
                 Aux.Name.data(), versionFlagToString(Aux.Flags).c_str(),
                 Aux.Other);
}
OS << '\n';
4663}

4665template <class ELFT>
4666void GNUELFDumper<ELFT>::printHashHistogram(const Elf_Hash &HashTable) {
size_t NBucket = HashTable.nbucket;
size_t NChain = HashTable.nchain;
ArrayRef<Elf_Word> Buckets = HashTable.buckets();
ArrayRef<Elf_Word> Chains = HashTable.chains();
size_t TotalSyms = 0;
// If hash table is correct, we have at least chains with 0 length
size_t MaxChain = 1;
size_t CumulativeNonZero = 0;

if (NChain == 0 || NBucket == 0)
  return;

std::vector<size_t> ChainLen(NBucket, 0);
// Go over all buckets and and note chain lengths of each bucket (total
// unique chain lengths).
for (size_t B = 0; B < NBucket; B++) {
  BitVector Visited(NChain);
  for (size_t C = Buckets[B]; C < NChain; C = Chains[C]) {
    if (C == ELF::STN_UNDEF)
      break;
    if (Visited[C]) {
      this->reportUniqueWarning(".hash section is invalid: bucket " +
                                Twine(C) +
                                ": a cycle was detected in the linked chain");
      break;
    }
    Visited[C] = true;
    if (MaxChain <= ++ChainLen[B])
      MaxChain++;
  }
  TotalSyms += ChainLen[B];
}

if (!TotalSyms)
  return;

std::vector<size_t> Count(MaxChain, 0);
// Count how long is the chain for each bucket
for (size_t B = 0; B < NBucket; B++)
  ++Count[ChainLen[B]];
// Print Number of buckets with each chain lengths and their cumulative
// coverage of the symbols
OS << "Histogram for bucket list length (total of " << NBucket
   << " buckets)\n"
   << " Length  Number     % of total  Coverage\n";
for (size_t I = 0; I < MaxChain; I++) {
  CumulativeNonZero += Count[I] * I;
  OS << format("%7lu  %-10lu (%5.1f%%)     %5.1f%%\n", I, Count[I],
               (Count[I] * 100.0) / NBucket,
               (CumulativeNonZero * 100.0) / TotalSyms);
}
4718}

4720template <class ELFT>
4721void GNUELFDumper<ELFT>::printGnuHashHistogram(
  const Elf_GnuHash &GnuHashTable) {
Expected<ArrayRef<Elf_Word>> ChainsOrErr =
    getGnuHashTableChains<ELFT>(this->DynSymRegion, &GnuHashTable);
if (!ChainsOrErr) {
  this->reportUniqueWarning("unable to print the GNU hash table histogram: " +
                            toString(ChainsOrErr.takeError()));
  return;
}

ArrayRef<Elf_Word> Chains = *ChainsOrErr;
size_t Symndx = GnuHashTable.symndx;
size_t TotalSyms = 0;
size_t MaxChain = 1;
size_t CumulativeNonZero = 0;

size_t NBucket = GnuHashTable.nbuckets;
if (Chains.empty() || NBucket == 0)
  return;

ArrayRef<Elf_Word> Buckets = GnuHashTable.buckets();
std::vector<size_t> ChainLen(NBucket, 0);
for (size_t B = 0; B < NBucket; B++) {
  if (!Buckets[B])
    continue;
  size_t Len = 1;
  for (size_t C = Buckets[B] - Symndx;
       C < Chains.size() && (Chains[C] & 1) == 0; C++)
    if (MaxChain < ++Len)
      MaxChain++;
  ChainLen[B] = Len;
  TotalSyms += Len;
}
MaxChain++;

if (!TotalSyms)
  return;

std::vector<size_t> Count(MaxChain, 0);
for (size_t B = 0; B < NBucket; B++)
  ++Count[ChainLen[B]];
// Print Number of buckets with each chain lengths and their cumulative
// coverage of the symbols
OS << "Histogram for `.gnu.hash' bucket list length (total of " << NBucket
   << " buckets)\n"
   << " Length  Number     % of total  Coverage\n";
for (size_t I = 0; I < MaxChain; I++) {
  CumulativeNonZero += Count[I] * I;
  OS << format("%7lu  %-10lu (%5.1f%%)     %5.1f%%\n", I, Count[I],
               (Count[I] * 100.0) / NBucket,
               (CumulativeNonZero * 100.0) / TotalSyms);
}
4773}

4775// Hash histogram shows statistics of how efficient the hash was for the
4776// dynamic symbol table. The table shows the number of hash buckets for
4777// different lengths of chains as an absolute number and percentage of the total
4778// buckets, and the cumulative coverage of symbols for each set of buckets.
4779template <class ELFT> void GNUELFDumper<ELFT>::printHashHistograms() {
// Print histogram for the .hash section.
if (this->HashTable) {
  if (Error E = checkHashTable<ELFT>(*this, this->HashTable))
    this->reportUniqueWarning(std::move(E));
  else
    printHashHistogram(*this->HashTable);
}

// Print histogram for the .gnu.hash section.
if (this->GnuHashTable) {
  if (Error E = checkGNUHashTable<ELFT>(this->Obj, this->GnuHashTable))
    this->reportUniqueWarning(std::move(E));
  else
    printGnuHashHistogram(*this->GnuHashTable);
}
4795}

4797template <class ELFT> void GNUELFDumper<ELFT>::printCGProfile() {
OS << "GNUStyle::printCGProfile not implemented\n";
4799}

4801template <class ELFT> void GNUELFDumper<ELFT>::printBBAddrMaps() {
OS << "GNUStyle::printBBAddrMaps not implemented\n";
4803}

4805static Expected<std::vector<uint64_t>> toULEB128Array(ArrayRef<uint8_t> Data) {
std::vector<uint64_t> Ret;
const uint8_t *Cur = Data.begin();
const uint8_t *End = Data.end();
while (Cur != End) {
  unsigned Size;
  const char *Err;
  Ret.push_back(decodeULEB128(Cur, &Size, End, &Err));
  if (Err)
    return createError(Err);
  Cur += Size;
}
return Ret;
4818}

4820template <class ELFT>
4821static Expected<std::vector<uint64_t>>
4822decodeAddrsigSection(const ELFFile<ELFT> &Obj, const typename ELFT::Shdr &Sec) {
Expected<ArrayRef<uint8_t>> ContentsOrErr = Obj.getSectionContents(Sec);
if (!ContentsOrErr)
  return ContentsOrErr.takeError();

if (Expected<std::vector<uint64_t>> SymsOrErr =
        toULEB128Array(*ContentsOrErr))
  return *SymsOrErr;
else
  return createError("unable to decode " + describe(Obj, Sec) + ": " +
                     toString(SymsOrErr.takeError()));
4833}

4835template <class ELFT> void GNUELFDumper<ELFT>::printAddrsig() {
if (!this->DotAddrsigSec)
  return;

Expected<std::vector<uint64_t>> SymsOrErr =
    decodeAddrsigSection(this->Obj, *this->DotAddrsigSec);
if (!SymsOrErr) {
  this->reportUniqueWarning(SymsOrErr.takeError());
  return;
}

StringRef Name = this->getPrintableSectionName(*this->DotAddrsigSec);
OS << "\nAddress-significant symbols section '" << Name << "'"
   << " contains " << SymsOrErr->size() << " entries:\n";
OS << "   Num: Name\n";

Field Fields[2] = {0, 8};
size_t SymIndex = 0;
for (uint64_t Sym : *SymsOrErr) {
  Fields[0].Str = to_string(format_decimal(++SymIndex, 6)) + ":";
  Fields[1].Str = this->getStaticSymbolName(Sym);
  for (const Field &Entry : Fields)
    printField(Entry);
  OS << "\n";
}
4860}

4862template <typename ELFT>
4863static std::string getGNUProperty(uint32_t Type, uint32_t DataSize,
                                ArrayRef<uint8_t> Data) {
std::string str;
raw_string_ostream OS(str);
uint32_t PrData;
auto DumpBit = [&](uint32_t Flag, StringRef Name) {
  if (PrData & Flag) {
    PrData &= ~Flag;
    OS << Name;
    if (PrData)
      OS << ", ";
  }
};

switch (Type) {
default:
  OS << format("<application-specific type 0x%x>", Type);
  return OS.str();
case GNU_PROPERTY_STACK_SIZE: {
  OS << "stack size: ";
  if (DataSize == sizeof(typename ELFT::uint))
    OS << formatv("{0:x}",
                  (uint64_t)(*(const typename ELFT::Addr *)Data.data()));
  else
    OS << format("<corrupt length: 0x%x>", DataSize);
  return OS.str();
}
case GNU_PROPERTY_NO_COPY_ON_PROTECTED:
  OS << "no copy on protected";
  if (DataSize)
    OS << format(" <corrupt length: 0x%x>", DataSize);
  return OS.str();
case GNU_PROPERTY_AARCH64_FEATURE_1_AND:
case GNU_PROPERTY_X86_FEATURE_1_AND:
  OS << ((Type == GNU_PROPERTY_AARCH64_FEATURE_1_AND) ? "aarch64 feature: "
                                                      : "x86 feature: ");
  if (DataSize != 4) {
    OS << format("<corrupt length: 0x%x>", DataSize);
    return OS.str();
  }
  PrData = support::endian::read32<ELFT::TargetEndianness>(Data.data());
  if (PrData == 0) {
    OS << "<None>";
    return OS.str();
  }
  if (Type == GNU_PROPERTY_AARCH64_FEATURE_1_AND) {
    DumpBit(GNU_PROPERTY_AARCH64_FEATURE_1_BTI, "BTI");
    DumpBit(GNU_PROPERTY_AARCH64_FEATURE_1_PAC, "PAC");
  } else {
    DumpBit(GNU_PROPERTY_X86_FEATURE_1_IBT, "IBT");
    DumpBit(GNU_PROPERTY_X86_FEATURE_1_SHSTK, "SHSTK");
  }
  if (PrData)
    OS << format("<unknown flags: 0x%x>", PrData);
  return OS.str();
case GNU_PROPERTY_X86_FEATURE_2_NEEDED:
case GNU_PROPERTY_X86_FEATURE_2_USED:
  OS << "x86 feature "
     << (Type == GNU_PROPERTY_X86_FEATURE_2_NEEDED ? "needed: " : "used: ");
  if (DataSize != 4) {
    OS << format("<corrupt length: 0x%x>", DataSize);
    return OS.str();
  }
  PrData = support::endian::read32<ELFT::TargetEndianness>(Data.data());
  if (PrData == 0) {
    OS << "<None>";
    return OS.str();
  }
  DumpBit(GNU_PROPERTY_X86_FEATURE_2_X86, "x86");
  DumpBit(GNU_PROPERTY_X86_FEATURE_2_X87, "x87");
  DumpBit(GNU_PROPERTY_X86_FEATURE_2_MMX, "MMX");
  DumpBit(GNU_PROPERTY_X86_FEATURE_2_XMM, "XMM");
  DumpBit(GNU_PROPERTY_X86_FEATURE_2_YMM, "YMM");
  DumpBit(GNU_PROPERTY_X86_FEATURE_2_ZMM, "ZMM");
  DumpBit(GNU_PROPERTY_X86_FEATURE_2_FXSR, "FXSR");
  DumpBit(GNU_PROPERTY_X86_FEATURE_2_XSAVE, "XSAVE");
  DumpBit(GNU_PROPERTY_X86_FEATURE_2_XSAVEOPT, "XSAVEOPT");
  DumpBit(GNU_PROPERTY_X86_FEATURE_2_XSAVEC, "XSAVEC");
  if (PrData)
    OS << format("<unknown flags: 0x%x>", PrData);
  return OS.str();
case GNU_PROPERTY_X86_ISA_1_NEEDED:
case GNU_PROPERTY_X86_ISA_1_USED:
  OS << "x86 ISA "
     << (Type == GNU_PROPERTY_X86_ISA_1_NEEDED ? "needed: " : "used: ");
  if (DataSize != 4) {
    OS << format("<corrupt length: 0x%x>", DataSize);
    return OS.str();
  }
  PrData = support::endian::read32<ELFT::TargetEndianness>(Data.data());
  if (PrData == 0) {
    OS << "<None>";
    return OS.str();
  }
  DumpBit(GNU_PROPERTY_X86_ISA_1_BASELINE, "x86-64-baseline");
  DumpBit(GNU_PROPERTY_X86_ISA_1_V2, "x86-64-v2");
  DumpBit(GNU_PROPERTY_X86_ISA_1_V3, "x86-64-v3");
  DumpBit(GNU_PROPERTY_X86_ISA_1_V4, "x86-64-v4");
  if (PrData)
    OS << format("<unknown flags: 0x%x>", PrData);
  return OS.str();
}
4965}

4967template <typename ELFT>
4968static SmallVector<std::string, 4> getGNUPropertyList(ArrayRef<uint8_t> Arr) {
using Elf_Word = typename ELFT::Word;

SmallVector<std::string, 4> Properties;
while (Arr.size() >= 8) {
  uint32_t Type = *reinterpret_cast<const Elf_Word *>(Arr.data());
  uint32_t DataSize = *reinterpret_cast<const Elf_Word *>(Arr.data() + 4);
  Arr = Arr.drop_front(8);

  // Take padding size into account if present.
  uint64_t PaddedSize = alignTo(DataSize, sizeof(typename ELFT::uint));
  std::string str;
  raw_string_ostream OS(str);
  if (Arr.size() < PaddedSize) {
    OS << format("<corrupt type (0x%x) datasz: 0x%x>", Type, DataSize);
    Properties.push_back(OS.str());
    break;
  }
  Properties.push_back(
      getGNUProperty<ELFT>(Type, DataSize, Arr.take_front(PaddedSize)));
  Arr = Arr.drop_front(PaddedSize);
}

if (!Arr.empty())
  Properties.push_back("<corrupted GNU_PROPERTY_TYPE_0>");

return Properties;
4995}

4997struct GNUAbiTag {
std::string OSName;
std::string ABI;
bool IsValid;
5001};

5003template <typename ELFT> static GNUAbiTag getGNUAbiTag(ArrayRef<uint8_t> Desc) {
typedef typename ELFT::Word Elf_Word;

ArrayRef<Elf_Word> Words(reinterpret_cast<const Elf_Word *>(Desc.begin()),
                         reinterpret_cast<const Elf_Word *>(Desc.end()));

if (Words.size() < 4)
  return {"", "", /*IsValid=*/false};

static const char *OSNames[] = {
    "Linux", "Hurd", "Solaris", "FreeBSD", "NetBSD", "Syllable", "NaCl",
};
StringRef OSName = "Unknown";
if (Words[0] < array_lengthof(OSNames))
  OSName = OSNames[Words[0]];
uint32_t Major = Words[1], Minor = Words[2], Patch = Words[3];
std::string str;
raw_string_ostream ABI(str);
ABI << Major << "." << Minor << "." << Patch;
return {std::string(OSName), ABI.str(), /*IsValid=*/true};
5023}

5025static std::string getGNUBuildId(ArrayRef<uint8_t> Desc) {
std::string str;
raw_string_ostream OS(str);
for (uint8_t B : Desc)
  OS << format_hex_no_prefix(B, 2);
return OS.str();
5031}

5033static StringRef getDescAsStringRef(ArrayRef<uint8_t> Desc) {
return StringRef(reinterpret_cast<const char *>(Desc.data()), Desc.size());
5035}

5037template <typename ELFT>
5038static bool printGNUNote(raw_ostream &OS, uint32_t NoteType,
                       ArrayRef<uint8_t> Desc) {
// Return true if we were able to pretty-print the note, false otherwise.
switch (NoteType) {
default:
  return false;
case ELF::NT_GNU_ABI_TAG: {
  const GNUAbiTag &AbiTag = getGNUAbiTag<ELFT>(Desc);
  if (!AbiTag.IsValid)
    OS << "    <corrupt GNU_ABI_TAG>";
  else
    OS << "    OS: " << AbiTag.OSName << ", ABI: " << AbiTag.ABI;
  break;
}
case ELF::NT_GNU_BUILD_ID: {
  OS << "    Build ID: " << getGNUBuildId(Desc);
  break;
}
case ELF::NT_GNU_GOLD_VERSION:
  OS << "    Version: " << getDescAsStringRef(Desc);
  break;
case ELF::NT_GNU_PROPERTY_TYPE_0:
  OS << "    Properties:";
  for (const std::string &Property : getGNUPropertyList<ELFT>(Desc))
    OS << "    " << Property << "\n";
  break;
}
OS << '\n';
return true;
5067}

5069using AndroidNoteProperties = std::vector<std::pair<StringRef, std::string>>;
5070static AndroidNoteProperties getAndroidNoteProperties(uint32_t NoteType,
                                                    ArrayRef<uint8_t> Desc) {
AndroidNoteProperties Props;
switch (NoteType) {
case ELF::NT_ANDROID_TYPE_MEMTAG:
  if (Desc.empty()) {
    Props.emplace_back("Invalid .note.android.memtag", "");
    return Props;
  }

  switch (Desc[0] & NT_MEMTAG_LEVEL_MASK) {
  case NT_MEMTAG_LEVEL_NONE:
    Props.emplace_back("Tagging Mode", "NONE");
    break;
  case NT_MEMTAG_LEVEL_ASYNC:
    Props.emplace_back("Tagging Mode", "ASYNC");
    break;
  case NT_MEMTAG_LEVEL_SYNC:
    Props.emplace_back("Tagging Mode", "SYNC");
    break;
  default:
    Props.emplace_back(
        "Tagging Mode",
        ("Unknown (" + Twine::utohexstr(Desc[0] & NT_MEMTAG_LEVEL_MASK) + ")")
            .str());
    break;
  }
  Props.emplace_back("Heap",
                     (Desc[0] & NT_MEMTAG_HEAP) ? "Enabled" : "Disabled");
  Props.emplace_back("Stack",
                     (Desc[0] & NT_MEMTAG_STACK) ? "Enabled" : "Disabled");
  break;
default:
  return Props;
}
return Props;
5106}

5108static bool printAndroidNote(raw_ostream &OS, uint32_t NoteType,
                           ArrayRef<uint8_t> Desc) {
// Return true if we were able to pretty-print the note, false otherwise.
AndroidNoteProperties Props = getAndroidNoteProperties(NoteType, Desc);
if (Props.empty())
  return false;
for (const auto &KV : Props)
  OS << "    " << KV.first << ": " << KV.second << '\n';
OS << '\n';
return true;
5118}

5120template <typename ELFT>
5121static bool printLLVMOMPOFFLOADNote(raw_ostream &OS, uint32_t NoteType,
                                  ArrayRef<uint8_t> Desc) {
switch (NoteType) {
default:
  return false;
case ELF::NT_LLVM_OPENMP_OFFLOAD_VERSION:
  OS << "    Version: " << getDescAsStringRef(Desc);
  break;
case ELF::NT_LLVM_OPENMP_OFFLOAD_PRODUCER:
  OS << "    Producer: " << getDescAsStringRef(Desc);
  break;
case ELF::NT_LLVM_OPENMP_OFFLOAD_PRODUCER_VERSION:
  OS << "    Producer version: " << getDescAsStringRef(Desc);
  break;
}
OS << '\n';
return true;
5138}

5140const EnumEntry<unsigned> FreeBSDFeatureCtlFlags[] = {
  {"ASLR_DISABLE", NT_FREEBSD_FCTL_ASLR_DISABLE},
  {"PROTMAX_DISABLE", NT_FREEBSD_FCTL_PROTMAX_DISABLE},
  {"STKGAP_DISABLE", NT_FREEBSD_FCTL_STKGAP_DISABLE},
  {"WXNEEDED", NT_FREEBSD_FCTL_WXNEEDED},
  {"LA48", NT_FREEBSD_FCTL_LA48},
  {"ASG_DISABLE", NT_FREEBSD_FCTL_ASG_DISABLE},
5147};

5149struct FreeBSDNote {
std::string Type;
std::string Value;
5152};

5154template <typename ELFT>
5155static Optional<FreeBSDNote>
5156getFreeBSDNote(uint32_t NoteType, ArrayRef<uint8_t> Desc, bool IsCore) {
if (IsCore)
  return None; // No pretty-printing yet.
switch (NoteType) {
case ELF::NT_FREEBSD_ABI_TAG:
  if (Desc.size() != 4)
    return None;
  return FreeBSDNote{
      "ABI tag",
      utostr(support::endian::read32<ELFT::TargetEndianness>(Desc.data()))};
case ELF::NT_FREEBSD_ARCH_TAG:
  return FreeBSDNote{"Arch tag", toStringRef(Desc).str()};
case ELF::NT_FREEBSD_FEATURE_CTL: {
  if (Desc.size() != 4)
    return None;
  unsigned Value =
      support::endian::read32<ELFT::TargetEndianness>(Desc.data());
  std::string FlagsStr;
  raw_string_ostream OS(FlagsStr);
  printFlags(Value, makeArrayRef(FreeBSDFeatureCtlFlags), OS);
  if (OS.str().empty())
    OS << "0x" << utohexstr(Value);
  else
    OS << "(0x" << utohexstr(Value) << ")";
  return FreeBSDNote{"Feature flags", OS.str()};
}
default:
  return None;
}
5185}

5187struct AMDNote {
std::string Type;
std::string Value;
5190};

5192template <typename ELFT>
5193static AMDNote getAMDNote(uint32_t NoteType, ArrayRef<uint8_t> Desc) {
switch (NoteType) {
default:
  return {"", ""};
case ELF::NT_AMD_HSA_CODE_OBJECT_VERSION: {
  struct CodeObjectVersion {
    uint32_t MajorVersion;
    uint32_t MinorVersion;
  };
  if (Desc.size() != sizeof(CodeObjectVersion))
    return {"AMD HSA Code Object Version",
            "Invalid AMD HSA Code Object Version"};
  std::string VersionString;
  raw_string_ostream StrOS(VersionString);
  auto Version = reinterpret_cast<const CodeObjectVersion *>(Desc.data());
  StrOS << "[Major: " << Version->MajorVersion
        << ", Minor: " << Version->MinorVersion << "]";
  return {"AMD HSA Code Object Version", VersionString};
}
case ELF::NT_AMD_HSA_HSAIL: {
  struct HSAILProperties {
    uint32_t HSAILMajorVersion;
    uint32_t HSAILMinorVersion;
    uint8_t Profile;
    uint8_t MachineModel;
    uint8_t DefaultFloatRound;
  };
  if (Desc.size() != sizeof(HSAILProperties))
    return {"AMD HSA HSAIL Properties", "Invalid AMD HSA HSAIL Properties"};
  auto Properties = reinterpret_cast<const HSAILProperties *>(Desc.data());
  std::string HSAILPropetiesString;
  raw_string_ostream StrOS(HSAILPropetiesString);
  StrOS << "[HSAIL Major: " << Properties->HSAILMajorVersion
        << ", HSAIL Minor: " << Properties->HSAILMinorVersion
        << ", Profile: " << uint32_t(Properties->Profile)
        << ", Machine Model: " << uint32_t(Properties->MachineModel)
        << ", Default Float Round: "
        << uint32_t(Properties->DefaultFloatRound) << "]";
  return {"AMD HSA HSAIL Properties", HSAILPropetiesString};
}
case ELF::NT_AMD_HSA_ISA_VERSION: {
  struct IsaVersion {
    uint16_t VendorNameSize;
    uint16_t ArchitectureNameSize;
    uint32_t Major;
    uint32_t Minor;
    uint32_t Stepping;
  };
  if (Desc.size() < sizeof(IsaVersion))
    return {"AMD HSA ISA Version", "Invalid AMD HSA ISA Version"};
  auto Isa = reinterpret_cast<const IsaVersion *>(Desc.data());
  if (Desc.size() < sizeof(IsaVersion) +
                        Isa->VendorNameSize + Isa->ArchitectureNameSize ||
      Isa->VendorNameSize == 0 || Isa->ArchitectureNameSize == 0)
    return {"AMD HSA ISA Version", "Invalid AMD HSA ISA Version"};
  std::string IsaString;
  raw_string_ostream StrOS(IsaString);
  StrOS << "[Vendor: "
        << StringRef((const char*)Desc.data() + sizeof(IsaVersion), Isa->VendorNameSize - 1)
        << ", Architecture: "
        << StringRef((const char*)Desc.data() + sizeof(IsaVersion) + Isa->VendorNameSize,
                     Isa->ArchitectureNameSize - 1)
        << ", Major: " << Isa->Major << ", Minor: " << Isa->Minor
        << ", Stepping: " << Isa->Stepping << "]";
  return {"AMD HSA ISA Version", IsaString};
}
case ELF::NT_AMD_HSA_METADATA: {
  if (Desc.size() == 0)
    return {"AMD HSA Metadata", ""};
  return {
      "AMD HSA Metadata",
      std::string(reinterpret_cast<const char *>(Desc.data()), Desc.size() - 1)};
}
case ELF::NT_AMD_HSA_ISA_NAME: {
  if (Desc.size() == 0)
    return {"AMD HSA ISA Name", ""};
  return {
      "AMD HSA ISA Name",
      std::string(reinterpret_cast<const char *>(Desc.data()), Desc.size())};
}
case ELF::NT_AMD_PAL_METADATA: {
  struct PALMetadata {
    uint32_t Key;
    uint32_t Value;
  };
  if (Desc.size() % sizeof(PALMetadata) != 0)
    return {"AMD PAL Metadata", "Invalid AMD PAL Metadata"};
  auto Isa = reinterpret_cast<const PALMetadata *>(Desc.data());
  std::string MetadataString;
  raw_string_ostream StrOS(MetadataString);
  for (size_t I = 0, E = Desc.size() / sizeof(PALMetadata); I < E; ++I) {
    StrOS << "[" << Isa[I].Key << ": " << Isa[I].Value << "]";
  }
  return {"AMD PAL Metadata", MetadataString};
}
}
5289}

5291struct AMDGPUNote {
std::string Type;
std::string Value;
5294};

5296template <typename ELFT>
5297static AMDGPUNote getAMDGPUNote(uint32_t NoteType, ArrayRef<uint8_t> Desc) {
switch (NoteType) {
default:
  return {"", ""};
case ELF::NT_AMDGPU_METADATA: {
  StringRef MsgPackString =
      StringRef(reinterpret_cast<const char *>(Desc.data()), Desc.size());
  msgpack::Document MsgPackDoc;
  if (!MsgPackDoc.readFromBlob(MsgPackString, /*Multi=*/false))
    return {"", ""};

  AMDGPU::HSAMD::V3::MetadataVerifier Verifier(true);
  std::string MetadataString;
  if (!Verifier.verify(MsgPackDoc.getRoot()))
    MetadataString = "Invalid AMDGPU Metadata\n";

  raw_string_ostream StrOS(MetadataString);
  if (MsgPackDoc.getRoot().isScalar()) {
    // TODO: passing a scalar root to toYAML() asserts:
    // (PolymorphicTraits<T>::getKind(Val) != NodeKind::Scalar &&
    //    "plain scalar documents are not supported")
    // To avoid this crash we print the raw data instead.
    return {"", ""};
  }
  MsgPackDoc.toYAML(StrOS);
  return {"AMDGPU Metadata", StrOS.str()};
}
}
5325}

5327struct CoreFileMapping {
uint64_t Start, End, Offset;
StringRef Filename;
5330};

5332struct CoreNote {
uint64_t PageSize;
std::vector<CoreFileMapping> Mappings;
5335};

5337static Expected<CoreNote> readCoreNote(DataExtractor Desc) {
// Expected format of the NT_FILE note description:
// 1. # of file mappings (call it N)
// 2. Page size
// 3. N (start, end, offset) triples
// 4. N packed filenames (null delimited)
// Each field is an Elf_Addr, except for filenames which are char* strings.

CoreNote Ret;
const int Bytes = Desc.getAddressSize();

if (!Desc.isValidOffsetForAddress(2))
  return createError("the note of size 0x" + Twine::utohexstr(Desc.size()) +
                     " is too short, expected at least 0x" +
                     Twine::utohexstr(Bytes * 2));
if (Desc.getData().back() != 0)
  return createError("the note is not NUL terminated");

uint64_t DescOffset = 0;
uint64_t FileCount = Desc.getAddress(&DescOffset);
Ret.PageSize = Desc.getAddress(&DescOffset);

if (!Desc.isValidOffsetForAddress(3 * FileCount * Bytes))
  return createError("unable to read file mappings (found " +
                     Twine(FileCount) + "): the note of size 0x" +
                     Twine::utohexstr(Desc.size()) + " is too short");

uint64_t FilenamesOffset = 0;
DataExtractor Filenames(
    Desc.getData().drop_front(DescOffset + 3 * FileCount * Bytes),
    Desc.isLittleEndian(), Desc.getAddressSize());

Ret.Mappings.resize(FileCount);
size_t I = 0;
for (CoreFileMapping &Mapping : Ret.Mappings) {
  ++I;
  if (!Filenames.isValidOffsetForDataOfSize(FilenamesOffset, 1))
    return createError(
        "unable to read the file name for the mapping with index " +
        Twine(I) + ": the note of size 0x" + Twine::utohexstr(Desc.size()) +
        " is truncated");
  Mapping.Start = Desc.getAddress(&DescOffset);
  Mapping.End = Desc.getAddress(&DescOffset);
  Mapping.Offset = Desc.getAddress(&DescOffset);
  Mapping.Filename = Filenames.getCStrRef(&FilenamesOffset);
}

return Ret;
5385}

5387template <typename ELFT>
5388static void printCoreNote(raw_ostream &OS, const CoreNote &Note) {
// Length of "0x<address>" string.
const int FieldWidth = ELFT::Is64Bits ? 18 : 10;

OS << "    Page size: " << format_decimal(Note.PageSize, 0) << '\n';
OS << "    " << right_justify("Start", FieldWidth) << "  "
   << right_justify("End", FieldWidth) << "  "
   << right_justify("Page Offset", FieldWidth) << '\n';
for (const CoreFileMapping &Mapping : Note.Mappings) {
  OS << "    " << format_hex(Mapping.Start, FieldWidth) << "  "
     << format_hex(Mapping.End, FieldWidth) << "  "
     << format_hex(Mapping.Offset, FieldWidth) << "\n        "
     << Mapping.Filename << '\n';
}
5402}

5404const NoteType GenericNoteTypes[] = {
  {ELF::NT_VERSION, "NT_VERSION (version)"},
  {ELF::NT_ARCH, "NT_ARCH (architecture)"},
  {ELF::NT_GNU_BUILD_ATTRIBUTE_OPEN, "OPEN"},
  {ELF::NT_GNU_BUILD_ATTRIBUTE_FUNC, "func"},
5409};

5411const NoteType GNUNoteTypes[] = {
  {ELF::NT_GNU_ABI_TAG, "NT_GNU_ABI_TAG (ABI version tag)"},
  {ELF::NT_GNU_HWCAP, "NT_GNU_HWCAP (DSO-supplied software HWCAP info)"},
  {ELF::NT_GNU_BUILD_ID, "NT_GNU_BUILD_ID (unique build ID bitstring)"},
  {ELF::NT_GNU_GOLD_VERSION, "NT_GNU_GOLD_VERSION (gold version)"},
  {ELF::NT_GNU_PROPERTY_TYPE_0, "NT_GNU_PROPERTY_TYPE_0 (property note)"},
5417};

5419const NoteType FreeBSDCoreNoteTypes[] = {
  {ELF::NT_FREEBSD_THRMISC, "NT_THRMISC (thrmisc structure)"},
  {ELF::NT_FREEBSD_PROCSTAT_PROC, "NT_PROCSTAT_PROC (proc data)"},
  {ELF::NT_FREEBSD_PROCSTAT_FILES, "NT_PROCSTAT_FILES (files data)"},
  {ELF::NT_FREEBSD_PROCSTAT_VMMAP, "NT_PROCSTAT_VMMAP (vmmap data)"},
  {ELF::NT_FREEBSD_PROCSTAT_GROUPS, "NT_PROCSTAT_GROUPS (groups data)"},
  {ELF::NT_FREEBSD_PROCSTAT_UMASK, "NT_PROCSTAT_UMASK (umask data)"},
  {ELF::NT_FREEBSD_PROCSTAT_RLIMIT, "NT_PROCSTAT_RLIMIT (rlimit data)"},
  {ELF::NT_FREEBSD_PROCSTAT_OSREL, "NT_PROCSTAT_OSREL (osreldate data)"},