text: //===- ELFDumper.cpp - ELF-specific dumper --------------------------------===//
  //
  //                     The LLVM Compiler Infrastructure
  //
  // This file is distributed under the University of Illinois Open Source
  // License. See LICENSE.TXT for details.
  //
  //===----------------------------------------------------------------------===//
  ///
  /// \file
  /// This file implements the ELF-specific dumper for llvm-readobj.
  ///
  //===----------------------------------------------------------------------===//
  
  #include "ARMEHABIPrinter.h"
  #include "DwarfCFIEHPrinter.h"
  #include "Error.h"
  #include "ObjDumper.h"
  #include "StackMapPrinter.h"
  #include "llvm-readobj.h"
  #include "llvm/ADT/ArrayRef.h"
  #include "llvm/ADT/DenseMap.h"
  #include "llvm/ADT/Optional.h"
  #include "llvm/ADT/PointerIntPair.h"
  #include "llvm/ADT/STLExtras.h"
  #include "llvm/ADT/SmallString.h"
  #include "llvm/ADT/SmallVector.h"
  #include "llvm/ADT/StringExtras.h"
  #include "llvm/ADT/StringRef.h"
  #include "llvm/ADT/Twine.h"
  #include "llvm/BinaryFormat/AMDGPUMetadataVerifier.h"
  #include "llvm/BinaryFormat/ELF.h"
  #include "llvm/Object/ELF.h"
  #include "llvm/Object/ELFObjectFile.h"
  #include "llvm/Object/ELFTypes.h"
  #include "llvm/Object/Error.h"
  #include "llvm/Object/ObjectFile.h"
  #include "llvm/Object/StackMapParser.h"
  #include "llvm/Support/AMDGPUMetadata.h"
  #include "llvm/Support/ARMAttributeParser.h"
  #include "llvm/Support/ARMBuildAttributes.h"
  #include "llvm/Support/Casting.h"
  #include "llvm/Support/Compiler.h"
  #include "llvm/Support/Endian.h"
  #include "llvm/Support/ErrorHandling.h"
  #include "llvm/Support/Format.h"
  #include "llvm/Support/FormatVariadic.h"
  #include "llvm/Support/FormattedStream.h"
  #include "llvm/Support/LEB128.h"
  #include "llvm/Support/MathExtras.h"
  #include "llvm/Support/MipsABIFlags.h"
  #include "llvm/Support/ScopedPrinter.h"
  #include "llvm/Support/raw_ostream.h"
  #include <algorithm>
  #include <cinttypes>
  #include <cstddef>
  #include <cstdint>
  #include <cstdlib>
  #include <iterator>
  #include <memory>
  #include <string>
  #include <system_error>
  #include <vector>
  
  using namespace llvm;
  using namespace llvm::object;
  using namespace ELF;
  
  #define LLVM_READOBJ_ENUM_CASE(ns, enum) \
    case ns::enum: return #enum;
  
  #define ENUM_ENT(enum, altName) \
    { #enum, altName, ELF::enum }
  
  #define ENUM_ENT_1(enum) \
    { #enum, #enum, ELF::enum }
  
  #define LLVM_READOBJ_PHDR_ENUM(ns, enum)                                       \
    case ns::enum:                                                               \
      return std::string(#enum).substr(3);
  
  #define TYPEDEF_ELF_TYPES(ELFT)                                                \
    using ELFO = ELFFile<ELFT>;                                                  \
    using Elf_Addr = typename ELFT::Addr;                                        \
    using Elf_Shdr = typename ELFT::Shdr;                                        \
    using Elf_Sym = typename ELFT::Sym;                                          \
    using Elf_Dyn = typename ELFT::Dyn;                                          \
    using Elf_Dyn_Range = typename ELFT::DynRange;                               \
    using Elf_Rel = typename ELFT::Rel;                                          \
    using Elf_Rela = typename ELFT::Rela;                                        \
    using Elf_Relr = typename ELFT::Relr;                                        \
    using Elf_Rel_Range = typename ELFT::RelRange;                               \
    using Elf_Rela_Range = typename ELFT::RelaRange;                             \
    using Elf_Relr_Range = typename ELFT::RelrRange;                             \
    using Elf_Phdr = typename ELFT::Phdr;                                        \
    using Elf_Half = typename ELFT::Half;                                        \
    using Elf_Ehdr = typename ELFT::Ehdr;                                        \
    using Elf_Word = typename ELFT::Word;                                        \
    using Elf_Hash = typename ELFT::Hash;                                        \
    using Elf_GnuHash = typename ELFT::GnuHash;                                  \
    using Elf_Note  = typename ELFT::Note;                                       \
    using Elf_Sym_Range = typename ELFT::SymRange;                               \
    using Elf_Versym = typename ELFT::Versym;                                    \
    using Elf_Verneed = typename ELFT::Verneed;                                  \
    using Elf_Vernaux = typename ELFT::Vernaux;                                  \
    using Elf_Verdef = typename ELFT::Verdef;                                    \
    using Elf_Verdaux = typename ELFT::Verdaux;                                  \
    using Elf_CGProfile = typename ELFT::CGProfile;                              \
    using uintX_t = typename ELFT::uint;
  
  namespace {
  
  template <class ELFT> class DumpStyle;
  
  /// Represents a contiguous uniform range in the file. We cannot just create a
  /// range directly because when creating one of these from the .dynamic table
  /// the size, entity size and virtual address are different entries in arbitrary
  /// order (DT_REL, DT_RELSZ, DT_RELENT for example).
  struct DynRegionInfo {
    DynRegionInfo() = default;
    DynRegionInfo(const void *A, uint64_t S, uint64_t ES)
        : Addr(A), Size(S), EntSize(ES) {}
  
    /// Address in current address space.
    const void *Addr = nullptr;
    /// Size in bytes of the region.
    uint64_t Size = 0;
    /// Size of each entity in the region.
    uint64_t EntSize = 0;
  
    template <typename Type> ArrayRef<Type> getAsArrayRef() const {
      const Type *Start = reinterpret_cast<const Type *>(Addr);
      if (!Start)
        return {Start, Start};
      if (EntSize != sizeof(Type) || Size % EntSize)
        reportError("Invalid entity size");
      return {Start, Start + (Size / EntSize)};
    }
  };
  
  template<typename ELFT>
  class ELFDumper : public ObjDumper {
  public:
    ELFDumper(const object::ELFObjectFile<ELFT> *ObjF, ScopedPrinter &Writer);
  
    void printFileHeaders() override;
    void printSectionHeaders() override;
    void printRelocations() override;
    void printDynamicRelocations() override;
    void printSymbols() override;
    void printDynamicSymbols() override;
    void printUnwindInfo() override;
  
    void printDynamicTable() override;
    void printNeededLibraries() override;
    void printProgramHeaders() override;
    void printHashTable() override;
    void printGnuHashTable() override;
    void printLoadName() override;
    void printVersionInfo() override;
    void printGroupSections() override;
  
    void printAttributes() override;
    void printMipsPLTGOT() override;
    void printMipsABIFlags() override;
    void printMipsReginfo() override;
    void printMipsOptions() override;
  
    void printStackMap() const override;
  
    void printHashHistogram() override;
  
    void printCGProfile() override;
    void printAddrsig() override;
  
    void printNotes() override;
  
    void printELFLinkerOptions() override;
  
  private:
    std::unique_ptr<DumpStyle<ELFT>> ELFDumperStyle;
  
    TYPEDEF_ELF_TYPES(ELFT)
  
    DynRegionInfo checkDRI(DynRegionInfo DRI) {
      const ELFFile<ELFT> *Obj = ObjF->getELFFile();
      if (DRI.Addr < Obj->base() ||
          (const uint8_t *)DRI.Addr + DRI.Size > Obj->base() + Obj->getBufSize())
        error(llvm::object::object_error::parse_failed);
      return DRI;
    }
  
    DynRegionInfo createDRIFrom(const Elf_Phdr *P, uintX_t EntSize) {
      return checkDRI({ObjF->getELFFile()->base() + P->p_offset, P->p_filesz, EntSize});
    }
  
    DynRegionInfo createDRIFrom(const Elf_Shdr *S) {
      return checkDRI({ObjF->getELFFile()->base() + S->sh_offset, S->sh_size, S->sh_entsize});
    }
  
    void parseDynamicTable(ArrayRef<const Elf_Phdr *> LoadSegments);
  
    void printValue(uint64_t Type, uint64_t Value);
  
    StringRef getDynamicString(uint64_t Offset) const;
    StringRef getSymbolVersion(StringRef StrTab, const Elf_Sym *symb,
                               bool &IsDefault) const;
    void LoadVersionMap() const;
    void LoadVersionNeeds(const Elf_Shdr *ec) const;
    void LoadVersionDefs(const Elf_Shdr *sec) const;
  
    const object::ELFObjectFile<ELFT> *ObjF;
    DynRegionInfo DynRelRegion;
    DynRegionInfo DynRelaRegion;
    DynRegionInfo DynRelrRegion;
    DynRegionInfo DynPLTRelRegion;
    DynRegionInfo DynSymRegion;
    DynRegionInfo DynamicTable;
    StringRef DynamicStringTable;
    StringRef SOName;
    const Elf_Hash *HashTable = nullptr;
    const Elf_GnuHash *GnuHashTable = nullptr;
    const Elf_Shdr *DotSymtabSec = nullptr;
    const Elf_Shdr *DotCGProfileSec = nullptr;
    const Elf_Shdr *DotAddrsigSec = nullptr;
    StringRef DynSymtabName;
    ArrayRef<Elf_Word> ShndxTable;
  
    const Elf_Shdr *dot_gnu_version_sec = nullptr;   // .gnu.version
    const Elf_Shdr *dot_gnu_version_r_sec = nullptr; // .gnu.version_r
    const Elf_Shdr *dot_gnu_version_d_sec = nullptr; // .gnu.version_d
  
    // Records for each version index the corresponding Verdef or Vernaux entry.
    // This is filled the first time LoadVersionMap() is called.
    class VersionMapEntry : public PointerIntPair<const void *, 1> {
    public:
      // If the integer is 0, this is an Elf_Verdef*.
      // If the integer is 1, this is an Elf_Vernaux*.
      VersionMapEntry() : PointerIntPair<const void *, 1>(nullptr, 0) {}
      VersionMapEntry(const Elf_Verdef *verdef)
          : PointerIntPair<const void *, 1>(verdef, 0) {}
      VersionMapEntry(const Elf_Vernaux *vernaux)
          : PointerIntPair<const void *, 1>(vernaux, 1) {}
  
      bool isNull() const { return getPointer() == nullptr; }
      bool isVerdef() const { return !isNull() && getInt() == 0; }
      bool isVernaux() const { return !isNull() && getInt() == 1; }
      const Elf_Verdef *getVerdef() const {
        return isVerdef() ? (const Elf_Verdef *)getPointer() : nullptr;
      }
      const Elf_Vernaux *getVernaux() const {
        return isVernaux() ? (const Elf_Vernaux *)getPointer() : nullptr;
      }
    };
    mutable SmallVector<VersionMapEntry, 16> VersionMap;
  
  public:
    Elf_Dyn_Range dynamic_table() const {
      return DynamicTable.getAsArrayRef<Elf_Dyn>();
    }
  
    Elf_Sym_Range dynamic_symbols() const {
      return DynSymRegion.getAsArrayRef<Elf_Sym>();
    }
  
    Elf_Rel_Range dyn_rels() const;
    Elf_Rela_Range dyn_relas() const;
    Elf_Relr_Range dyn_relrs() const;
    std::string getFullSymbolName(const Elf_Sym *Symbol, StringRef StrTable,
                                  bool IsDynamic) const;
    void getSectionNameIndex(const Elf_Sym *Symbol, const Elf_Sym *FirstSym,
                             StringRef &SectionName,
                             unsigned &SectionIndex) const;
    StringRef getStaticSymbolName(uint32_t Index) const;
  
    void printSymbolsHelper(bool IsDynamic) const;
    const Elf_Shdr *getDotSymtabSec() const { return DotSymtabSec; }
    const Elf_Shdr *getDotCGProfileSec() const { return DotCGProfileSec; }
    const Elf_Shdr *getDotAddrsigSec() const { return DotAddrsigSec; }
    ArrayRef<Elf_Word> getShndxTable() const { return ShndxTable; }
    StringRef getDynamicStringTable() const { return DynamicStringTable; }
    const DynRegionInfo &getDynRelRegion() const { return DynRelRegion; }
    const DynRegionInfo &getDynRelaRegion() const { return DynRelaRegion; }
    const DynRegionInfo &getDynRelrRegion() const { return DynRelrRegion; }
    const DynRegionInfo &getDynPLTRelRegion() const { return DynPLTRelRegion; }
    const Elf_Hash *getHashTable() const { return HashTable; }
    const Elf_GnuHash *getGnuHashTable() const { return GnuHashTable; }
  };
  
  template <class ELFT>
  void ELFDumper<ELFT>::printSymbolsHelper(bool IsDynamic) const {
    StringRef StrTable, SymtabName;
    size_t Entries = 0;
    Elf_Sym_Range Syms(nullptr, nullptr);
    const ELFFile<ELFT> *Obj = ObjF->getELFFile();
    if (IsDynamic) {
      StrTable = DynamicStringTable;
      Syms = dynamic_symbols();
      SymtabName = DynSymtabName;
      if (DynSymRegion.Addr)
        Entries = DynSymRegion.Size / DynSymRegion.EntSize;
    } else {
      if (!DotSymtabSec)
        return;
      StrTable = unwrapOrError(Obj->getStringTableForSymtab(*DotSymtabSec));
      Syms = unwrapOrError(Obj->symbols(DotSymtabSec));
      SymtabName = unwrapOrError(Obj->getSectionName(DotSymtabSec));
      Entries = DotSymtabSec->getEntityCount();
    }
    if (Syms.begin() == Syms.end())
      return;
    ELFDumperStyle->printSymtabMessage(Obj, SymtabName, Entries);
    for (const auto &Sym : Syms)
      ELFDumperStyle->printSymbol(Obj, &Sym, Syms.begin(), StrTable, IsDynamic);
  }
  
  template <class ELFT> class MipsGOTParser;
  
  template <typename ELFT> class DumpStyle {
  public:
    using Elf_Shdr = typename ELFT::Shdr;
    using Elf_Sym = typename ELFT::Sym;
  
    DumpStyle(ELFDumper<ELFT> *Dumper) : Dumper(Dumper) {}
    virtual ~DumpStyle() = default;
  
    virtual void printFileHeaders(const ELFFile<ELFT> *Obj) = 0;
    virtual void printGroupSections(const ELFFile<ELFT> *Obj) = 0;
    virtual void printRelocations(const ELFFile<ELFT> *Obj) = 0;
    virtual void printSectionHeaders(const ELFFile<ELFT> *Obj) = 0;
    virtual void printSymbols(const ELFFile<ELFT> *Obj) = 0;
    virtual void printDynamicSymbols(const ELFFile<ELFT> *Obj) = 0;
    virtual void printDynamicRelocations(const ELFFile<ELFT> *Obj) = 0;
    virtual void printSymtabMessage(const ELFFile<ELFT> *obj, StringRef Name,
                                    size_t Offset) {}
    virtual void printSymbol(const ELFFile<ELFT> *Obj, const Elf_Sym *Symbol,
                             const Elf_Sym *FirstSym, StringRef StrTable,
                             bool IsDynamic) = 0;
    virtual void printProgramHeaders(const ELFFile<ELFT> *Obj) = 0;
    virtual void printHashHistogram(const ELFFile<ELFT> *Obj) = 0;
    virtual void printCGProfile(const ELFFile<ELFT> *Obj) = 0;
    virtual void printAddrsig(const ELFFile<ELFT> *Obj) = 0;
    virtual void printNotes(const ELFFile<ELFT> *Obj) = 0;
    virtual void printELFLinkerOptions(const ELFFile<ELFT> *Obj) = 0;
    virtual void printMipsGOT(const MipsGOTParser<ELFT> &Parser) = 0;
    virtual void printMipsPLT(const MipsGOTParser<ELFT> &Parser) = 0;
    const ELFDumper<ELFT> *dumper() const { return Dumper; }
  
  private:
    const ELFDumper<ELFT> *Dumper;
  };
  
  template <typename ELFT> class GNUStyle : public DumpStyle<ELFT> {
    formatted_raw_ostream OS;
  
  public:
    TYPEDEF_ELF_TYPES(ELFT)
  
    GNUStyle(ScopedPrinter &W, ELFDumper<ELFT> *Dumper)
        : DumpStyle<ELFT>(Dumper), OS(W.getOStream()) {}
  
    void printFileHeaders(const ELFO *Obj) override;
    void printGroupSections(const ELFFile<ELFT> *Obj) override;
    void printRelocations(const ELFO *Obj) override;
    void printSectionHeaders(const ELFO *Obj) override;
    void printSymbols(const ELFO *Obj) override;
    void printDynamicSymbols(const ELFO *Obj) override;
    void printDynamicRelocations(const ELFO *Obj) override;
    void printSymtabMessage(const ELFO *Obj, StringRef Name,
                            size_t Offset) override;
    void printProgramHeaders(const ELFO *Obj) override;
    void printHashHistogram(const ELFFile<ELFT> *Obj) override;
    void printCGProfile(const ELFFile<ELFT> *Obj) override;
    void printAddrsig(const ELFFile<ELFT> *Obj) override;
    void printNotes(const ELFFile<ELFT> *Obj) override;
    void printELFLinkerOptions(const ELFFile<ELFT> *Obj) override;
    void printMipsGOT(const MipsGOTParser<ELFT> &Parser) override;
    void printMipsPLT(const MipsGOTParser<ELFT> &Parser) override;
  
  private:
    struct Field {
      StringRef Str;
      unsigned Column;
  
      Field(StringRef S, unsigned Col) : Str(S), Column(Col) {}
      Field(unsigned Col) : Str(""), Column(Col) {}
    };
  
    template <typename T, typename TEnum>
    std::string printEnum(T Value, ArrayRef<EnumEntry<TEnum>> EnumValues) {
      for (const auto &EnumItem : EnumValues)
        if (EnumItem.Value == Value)
          return EnumItem.AltName;
      return to_hexString(Value, false);
    }
  
    template <typename T, typename TEnum>
    std::string printFlags(T Value, ArrayRef<EnumEntry<TEnum>> EnumValues,
                           TEnum EnumMask1 = {}, TEnum EnumMask2 = {},
                           TEnum EnumMask3 = {}) {
      std::string Str;
      for (const auto &Flag : EnumValues) {
        if (Flag.Value == 0)
          continue;
  
        TEnum EnumMask{};
        if (Flag.Value & EnumMask1)
          EnumMask = EnumMask1;
        else if (Flag.Value & EnumMask2)
          EnumMask = EnumMask2;
        else if (Flag.Value & EnumMask3)
          EnumMask = EnumMask3;
        bool IsEnum = (Flag.Value & EnumMask) != 0;
        if ((!IsEnum && (Value & Flag.Value) == Flag.Value) ||
            (IsEnum && (Value & EnumMask) == Flag.Value)) {
          if (!Str.empty())
            Str += ", ";
          Str += Flag.AltName;
        }
      }
      return Str;
    }
  
    formatted_raw_ostream &printField(struct Field F) {
      if (F.Column != 0)
        OS.PadToColumn(F.Column);
      OS << F.Str;
      OS.flush();
      return OS;
    }
    void printHashedSymbol(const ELFO *Obj, const Elf_Sym *FirstSym, uint32_t Sym,
                           StringRef StrTable, uint32_t Bucket);
    void printRelocHeader(unsigned SType);
    void printRelocation(const ELFO *Obj, const Elf_Shdr *SymTab,
                         const Elf_Rela &R, bool IsRela);
    void printSymbol(const ELFO *Obj, const Elf_Sym *Symbol, const Elf_Sym *First,
                     StringRef StrTable, bool IsDynamic) override;
    std::string getSymbolSectionNdx(const ELFO *Obj, const Elf_Sym *Symbol,
                                    const Elf_Sym *FirstSym);
    void printDynamicRelocation(const ELFO *Obj, Elf_Rela R, bool IsRela);
    bool checkTLSSections(const Elf_Phdr &Phdr, const Elf_Shdr &Sec);
    bool checkoffsets(const Elf_Phdr &Phdr, const Elf_Shdr &Sec);
    bool checkVMA(const Elf_Phdr &Phdr, const Elf_Shdr &Sec);
    bool checkPTDynamic(const Elf_Phdr &Phdr, const Elf_Shdr &Sec);
  };
  
  template <typename ELFT> class LLVMStyle : public DumpStyle<ELFT> {
  public:
    TYPEDEF_ELF_TYPES(ELFT)
  
    LLVMStyle(ScopedPrinter &W, ELFDumper<ELFT> *Dumper)
        : DumpStyle<ELFT>(Dumper), W(W) {}
  
    void printFileHeaders(const ELFO *Obj) override;
    void printGroupSections(const ELFFile<ELFT> *Obj) override;
    void printRelocations(const ELFO *Obj) override;
    void printRelocations(const Elf_Shdr *Sec, const ELFO *Obj);
    void printSectionHeaders(const ELFO *Obj) override;
    void printSymbols(const ELFO *Obj) override;
    void printDynamicSymbols(const ELFO *Obj) override;
    void printDynamicRelocations(const ELFO *Obj) override;
    void printProgramHeaders(const ELFO *Obj) override;
    void printHashHistogram(const ELFFile<ELFT> *Obj) override;
    void printCGProfile(const ELFFile<ELFT> *Obj) override;
    void printAddrsig(const ELFFile<ELFT> *Obj) override;
    void printNotes(const ELFFile<ELFT> *Obj) override;
    void printELFLinkerOptions(const ELFFile<ELFT> *Obj) override;
    void printMipsGOT(const MipsGOTParser<ELFT> &Parser) override;
    void printMipsPLT(const MipsGOTParser<ELFT> &Parser) override;
  
  private:
    void printRelocation(const ELFO *Obj, Elf_Rela Rel, const Elf_Shdr *SymTab);
    void printDynamicRelocation(const ELFO *Obj, Elf_Rela Rel);
    void printSymbol(const ELFO *Obj, const Elf_Sym *Symbol, const Elf_Sym *First,
                     StringRef StrTable, bool IsDynamic) override;
  
    ScopedPrinter &W;
  };
  
  } // end anonymous namespace
  
  namespace llvm {
  
  template <class ELFT>
  static std::error_code createELFDumper(const ELFObjectFile<ELFT> *Obj,
                                         ScopedPrinter &Writer,
                                         std::unique_ptr<ObjDumper> &Result) {
    Result.reset(new ELFDumper<ELFT>(Obj, Writer));
    return readobj_error::success;
  }
  
  std::error_code createELFDumper(const object::ObjectFile *Obj,
                                  ScopedPrinter &Writer,
                                  std::unique_ptr<ObjDumper> &Result) {
    // Little-endian 32-bit
    if (const ELF32LEObjectFile *ELFObj = dyn_cast<ELF32LEObjectFile>(Obj))
      return createELFDumper(ELFObj, Writer, Result);
  
    // Big-endian 32-bit
    if (const ELF32BEObjectFile *ELFObj = dyn_cast<ELF32BEObjectFile>(Obj))
      return createELFDumper(ELFObj, Writer, Result);
  
    // Little-endian 64-bit
    if (const ELF64LEObjectFile *ELFObj = dyn_cast<ELF64LEObjectFile>(Obj))
      return createELFDumper(ELFObj, Writer, Result);
  
    // Big-endian 64-bit
    if (const ELF64BEObjectFile *ELFObj = dyn_cast<ELF64BEObjectFile>(Obj))
      return createELFDumper(ELFObj, Writer, Result);
  
    return readobj_error::unsupported_obj_file_format;
  }
  
  } // end namespace llvm
  
  // Iterate through the versions needed section, and place each Elf_Vernaux
  // in the VersionMap according to its index.
  template <class ELFT>
  void ELFDumper<ELFT>::LoadVersionNeeds(const Elf_Shdr *sec) const {
    unsigned vn_size = sec->sh_size;  // Size of section in bytes
    unsigned vn_count = sec->sh_info; // Number of Verneed entries
    const char *sec_start = (const char *)ObjF->getELFFile()->base() + sec->sh_offset;
    const char *sec_end = sec_start + vn_size;
    // The first Verneed entry is at the start of the section.
    const char *p = sec_start;
    for (unsigned i = 0; i < vn_count; i++) {
      if (p + sizeof(Elf_Verneed) > sec_end)
        report_fatal_error("Section ended unexpectedly while scanning "
                           "version needed records.");
      const Elf_Verneed *vn = reinterpret_cast<const Elf_Verneed *>(p);
      if (vn->vn_version != ELF::VER_NEED_CURRENT)
        report_fatal_error("Unexpected verneed version");
      // Iterate through the Vernaux entries
      const char *paux = p + vn->vn_aux;
      for (unsigned j = 0; j < vn->vn_cnt; j++) {
        if (paux + sizeof(Elf_Vernaux) > sec_end)
          report_fatal_error("Section ended unexpected while scanning auxiliary "
                             "version needed records.");
        const Elf_Vernaux *vna = reinterpret_cast<const Elf_Vernaux *>(paux);
        size_t index = vna->vna_other & ELF::VERSYM_VERSION;
        if (index >= VersionMap.size())
          VersionMap.resize(index + 1);
        VersionMap[index] = VersionMapEntry(vna);
        paux += vna->vna_next;
      }
      p += vn->vn_next;
    }
  }
  
  // Iterate through the version definitions, and place each Elf_Verdef
  // in the VersionMap according to its index.
  template <class ELFT>
  void ELFDumper<ELFT>::LoadVersionDefs(const Elf_Shdr *sec) const {
    unsigned vd_size = sec->sh_size;  // Size of section in bytes
    unsigned vd_count = sec->sh_info; // Number of Verdef entries
    const char *sec_start = (const char *)ObjF->getELFFile()->base() + sec->sh_offset;
    const char *sec_end = sec_start + vd_size;
    // The first Verdef entry is at the start of the section.
    const char *p = sec_start;
    for (unsigned i = 0; i < vd_count; i++) {
      if (p + sizeof(Elf_Verdef) > sec_end)
        report_fatal_error("Section ended unexpectedly while scanning "
                           "version definitions.");
      const Elf_Verdef *vd = reinterpret_cast<const Elf_Verdef *>(p);
      if (vd->vd_version != ELF::VER_DEF_CURRENT)
        report_fatal_error("Unexpected verdef version");
      size_t index = vd->vd_ndx & ELF::VERSYM_VERSION;
      if (index >= VersionMap.size())
        VersionMap.resize(index + 1);
      VersionMap[index] = VersionMapEntry(vd);
      p += vd->vd_next;
    }
  }
  
  template <class ELFT> void ELFDumper<ELFT>::LoadVersionMap() const {
    // If there is no dynamic symtab or version table, there is nothing to do.
    if (!DynSymRegion.Addr || !dot_gnu_version_sec)
      return;
  
    // Has the VersionMap already been loaded?
    if (!VersionMap.empty())
      return;
  
    // The first two version indexes are reserved.
    // Index 0 is LOCAL, index 1 is GLOBAL.
    VersionMap.push_back(VersionMapEntry());
    VersionMap.push_back(VersionMapEntry());
  
    if (dot_gnu_version_d_sec)
      LoadVersionDefs(dot_gnu_version_d_sec);
  
    if (dot_gnu_version_r_sec)
      LoadVersionNeeds(dot_gnu_version_r_sec);
  }
  
  template <typename ELFO, class ELFT>
  static void printVersionSymbolSection(ELFDumper<ELFT> *Dumper, const ELFO *Obj,
                                        const typename ELFO::Elf_Shdr *Sec,
                                        ScopedPrinter &W) {
    DictScope SS(W, "Version symbols");
    if (!Sec)
      return;
    StringRef Name = unwrapOrError(Obj->getSectionName(Sec));
    W.printNumber("Section Name", Name, Sec->sh_name);
    W.printHex("Address", Sec->sh_addr);
    W.printHex("Offset", Sec->sh_offset);
    W.printNumber("Link", Sec->sh_link);
  
    const uint8_t *P = (const uint8_t *)Obj->base() + Sec->sh_offset;
    StringRef StrTable = Dumper->getDynamicStringTable();
  
    // Same number of entries in the dynamic symbol table (DT_SYMTAB).
    ListScope Syms(W, "Symbols");
    for (const typename ELFO::Elf_Sym &Sym : Dumper->dynamic_symbols()) {
      DictScope S(W, "Symbol");
      std::string FullSymbolName =
          Dumper->getFullSymbolName(&Sym, StrTable, true /* IsDynamic */);
      W.printNumber("Version", *P);
      W.printString("Name", FullSymbolName);
      P += sizeof(typename ELFO::Elf_Half);
    }
  }
  
  static const EnumEntry<unsigned> SymVersionFlags[] = {
      {"Base", "BASE", VER_FLG_BASE},
      {"Weak", "WEAK", VER_FLG_WEAK},
      {"Info", "INFO", VER_FLG_INFO}};
  
  template <typename ELFO, class ELFT>
  static void printVersionDefinitionSection(ELFDumper<ELFT> *Dumper,
                                            const ELFO *Obj,
                                            const typename ELFO::Elf_Shdr *Sec,
                                            ScopedPrinter &W) {
    using VerDef = typename ELFO::Elf_Verdef;
    using VerdAux = typename ELFO::Elf_Verdaux;
  
    DictScope SD(W, "SHT_GNU_verdef");
    if (!Sec)
      return;
  
    // The number of entries in the section SHT_GNU_verdef
    // is determined by DT_VERDEFNUM tag.
    unsigned VerDefsNum = 0;
    for (const typename ELFO::Elf_Dyn &Dyn : Dumper->dynamic_table()) {
      if (Dyn.d_tag == DT_VERDEFNUM) {
        VerDefsNum = Dyn.d_un.d_val;
        break;
      }
    }
  
    const uint8_t *SecStartAddress =
        (const uint8_t *)Obj->base() + Sec->sh_offset;
    const uint8_t *SecEndAddress = SecStartAddress + Sec->sh_size;
    const uint8_t *P = SecStartAddress;
    const typename ELFO::Elf_Shdr *StrTab =
        unwrapOrError(Obj->getSection(Sec->sh_link));
  
    while (VerDefsNum--) {
      if (P + sizeof(VerDef) > SecEndAddress)
        report_fatal_error("invalid offset in the section");
  
      auto *VD = reinterpret_cast<const VerDef *>(P);
      DictScope Def(W, "Definition");
      W.printNumber("Version", VD->vd_version);
      W.printEnum("Flags", VD->vd_flags, makeArrayRef(SymVersionFlags));
      W.printNumber("Index", VD->vd_ndx);
      W.printNumber("Hash", VD->vd_hash);
      W.printString("Name",
                    StringRef((const char *)(Obj->base() + StrTab->sh_offset +
                                             VD->getAux()->vda_name)));
      if (!VD->vd_cnt)
        report_fatal_error("at least one definition string must exist");
      if (VD->vd_cnt > 2)
        report_fatal_error("more than one predecessor is not expected");
  
      if (VD->vd_cnt == 2) {
        const uint8_t *PAux = P + VD->vd_aux + VD->getAux()->vda_next;
        const VerdAux *Aux = reinterpret_cast<const VerdAux *>(PAux);
        W.printString("Predecessor",
                      StringRef((const char *)(Obj->base() + StrTab->sh_offset +
                                               Aux->vda_name)));
      }
  
      P += VD->vd_next;
    }
  }
  
  template <typename ELFO, class ELFT>
  static void printVersionDependencySection(ELFDumper<ELFT> *Dumper,
                                            const ELFO *Obj,
                                            const typename ELFO::Elf_Shdr *Sec,
                                            ScopedPrinter &W) {
    using VerNeed = typename ELFO::Elf_Verneed;
    using VernAux = typename ELFO::Elf_Vernaux;
  
    DictScope SD(W, "SHT_GNU_verneed");
    if (!Sec)
      return;
  
    unsigned VerNeedNum = 0;
    for (const typename ELFO::Elf_Dyn &Dyn : Dumper->dynamic_table()) {
      if (Dyn.d_tag == DT_VERNEEDNUM) {
        VerNeedNum = Dyn.d_un.d_val;
        break;
      }
    }
  
    const uint8_t *SecData = (const uint8_t *)Obj->base() + Sec->sh_offset;
    const typename ELFO::Elf_Shdr *StrTab =
        unwrapOrError(Obj->getSection(Sec->sh_link));
  
    const uint8_t *P = SecData;
    for (unsigned I = 0; I < VerNeedNum; ++I) {
      const VerNeed *Need = reinterpret_cast<const VerNeed *>(P);
      DictScope Entry(W, "Dependency");
      W.printNumber("Version", Need->vn_version);
      W.printNumber("Count", Need->vn_cnt);
      W.printString("FileName",
                    StringRef((const char *)(Obj->base() + StrTab->sh_offset +
                                             Need->vn_file)));
  
      const uint8_t *PAux = P + Need->vn_aux;
      for (unsigned J = 0; J < Need->vn_cnt; ++J) {
        const VernAux *Aux = reinterpret_cast<const VernAux *>(PAux);
        DictScope Entry(W, "Entry");
        W.printNumber("Hash", Aux->vna_hash);
        W.printEnum("Flags", Aux->vna_flags, makeArrayRef(SymVersionFlags));
        W.printNumber("Index", Aux->vna_other);
        W.printString("Name",
                      StringRef((const char *)(Obj->base() + StrTab->sh_offset +
                                               Aux->vna_name)));
        PAux += Aux->vna_next;
      }
      P += Need->vn_next;
    }
  }
  
  template <typename ELFT> void ELFDumper<ELFT>::printVersionInfo() {
    // Dump version symbol section.
    printVersionSymbolSection(this, ObjF->getELFFile(), dot_gnu_version_sec, W);
  
    // Dump version definition section.
    printVersionDefinitionSection(this, ObjF->getELFFile(), dot_gnu_version_d_sec, W);
  
    // Dump version dependency section.
    printVersionDependencySection(this, ObjF->getELFFile(), dot_gnu_version_r_sec, W);
  }
  
  template <typename ELFT>
  StringRef ELFDumper<ELFT>::getSymbolVersion(StringRef StrTab,
                                              const Elf_Sym *symb,
                                              bool &IsDefault) const {
    // This is a dynamic symbol. Look in the GNU symbol version table.
    if (!dot_gnu_version_sec) {
      // No version table.
      IsDefault = false;
      return StringRef("");
    }
  
    // Determine the position in the symbol table of this entry.
    size_t entry_index = (reinterpret_cast<uintptr_t>(symb) -
                          reinterpret_cast<uintptr_t>(DynSymRegion.Addr)) /
                         sizeof(Elf_Sym);
  
    // Get the corresponding version index entry
    const Elf_Versym *vs = unwrapOrError(
        ObjF->getELFFile()->template getEntry<Elf_Versym>(dot_gnu_version_sec, entry_index));
    size_t version_index = vs->vs_index & ELF::VERSYM_VERSION;
  
    // Special markers for unversioned symbols.
    if (version_index == ELF::VER_NDX_LOCAL ||
        version_index == ELF::VER_NDX_GLOBAL) {
      IsDefault = false;
      return StringRef("");
    }
  
    // Lookup this symbol in the version table
    LoadVersionMap();
    if (version_index >= VersionMap.size() || VersionMap[version_index].isNull())
      reportError("Invalid version entry");
    const VersionMapEntry &entry = VersionMap[version_index];
  
    // Get the version name string
    size_t name_offset;
    if (entry.isVerdef()) {
      // The first Verdaux entry holds the name.
      name_offset = entry.getVerdef()->getAux()->vda_name;
      IsDefault = !(vs->vs_index & ELF::VERSYM_HIDDEN);
    } else {
      name_offset = entry.getVernaux()->vna_name;
      IsDefault = false;
    }
    if (name_offset >= StrTab.size())
      reportError("Invalid string offset");
    return StringRef(StrTab.data() + name_offset);
  }
  
  template <typename ELFT>
  StringRef ELFDumper<ELFT>::getStaticSymbolName(uint32_t Index) const {
    const ELFFile<ELFT> *Obj = ObjF->getELFFile();
    StringRef StrTable = unwrapOrError(Obj->getStringTableForSymtab(*DotSymtabSec));
    Elf_Sym_Range Syms = unwrapOrError(Obj->symbols(DotSymtabSec));
    if (Index >= Syms.size())
      reportError("Invalid symbol index");
    const Elf_Sym *Sym = &Syms[Index];
    return unwrapOrError(Sym->getName(StrTable));
  }
  
  template <typename ELFT>
  std::string ELFDumper<ELFT>::getFullSymbolName(const Elf_Sym *Symbol,
                                                 StringRef StrTable,
                                                 bool IsDynamic) const {
    StringRef SymbolName = unwrapOrError(Symbol->getName(StrTable));
    if (!IsDynamic)
      return SymbolName;
  
    std::string FullSymbolName(SymbolName);
  
    bool IsDefault;
    StringRef Version = getSymbolVersion(StrTable, &*Symbol, IsDefault);
    if (!Version.empty()) {
      FullSymbolName += (IsDefault ? "@@" : "@");
      FullSymbolName += Version;
    }
    return FullSymbolName;
  }
  
  template <typename ELFT>
  void ELFDumper<ELFT>::getSectionNameIndex(const Elf_Sym *Symbol,
                                            const Elf_Sym *FirstSym,
                                            StringRef &SectionName,
                                            unsigned &SectionIndex) const {
    SectionIndex = Symbol->st_shndx;
    if (Symbol->isUndefined())
      SectionName = "Undefined";
    else if (Symbol->isProcessorSpecific())
      SectionName = "Processor Specific";
    else if (Symbol->isOSSpecific())
      SectionName = "Operating System Specific";
    else if (Symbol->isAbsolute())
      SectionName = "Absolute";
    else if (Symbol->isCommon())
      SectionName = "Common";
    else if (Symbol->isReserved() && SectionIndex != SHN_XINDEX)
      SectionName = "Reserved";
    else {
      if (SectionIndex == SHN_XINDEX)
        SectionIndex = unwrapOrError(object::getExtendedSymbolTableIndex<ELFT>(
            Symbol, FirstSym, ShndxTable));
      const ELFFile<ELFT> *Obj = ObjF->getELFFile();
      const typename ELFT::Shdr *Sec =
          unwrapOrError(Obj->getSection(SectionIndex));
      SectionName = unwrapOrError(Obj->getSectionName(Sec));
    }
  }
  
  template <class ELFO>
  static const typename ELFO::Elf_Shdr *
  findNotEmptySectionByAddress(const ELFO *Obj, uint64_t Addr) {
    for (const auto &Shdr : unwrapOrError(Obj->sections()))
      if (Shdr.sh_addr == Addr && Shdr.sh_size > 0)
        return &Shdr;
    return nullptr;
  }
  
  template <class ELFO>
  static const typename ELFO::Elf_Shdr *findSectionByName(const ELFO &Obj,
                                                          StringRef Name) {
    for (const auto &Shdr : unwrapOrError(Obj.sections())) {
      if (Name == unwrapOrError(Obj.getSectionName(&Shdr)))
        return &Shdr;
    }
    return nullptr;
  }
  
  static const EnumEntry<unsigned> ElfClass[] = {
    {"None",   "none",   ELF::ELFCLASSNONE},
    {"32-bit", "ELF32",  ELF::ELFCLASS32},
    {"64-bit", "ELF64",  ELF::ELFCLASS64},
  };
  
  static const EnumEntry<unsigned> ElfDataEncoding[] = {
    {"None",         "none",                          ELF::ELFDATANONE},
    {"LittleEndian", "2's complement, little endian", ELF::ELFDATA2LSB},
    {"BigEndian",    "2's complement, big endian",    ELF::ELFDATA2MSB},
  };
  
  static const EnumEntry<unsigned> ElfObjectFileType[] = {
    {"None",         "NONE (none)",              ELF::ET_NONE},
    {"Relocatable",  "REL (Relocatable file)",   ELF::ET_REL},
    {"Executable",   "EXEC (Executable file)",   ELF::ET_EXEC},
    {"SharedObject", "DYN (Shared object file)", ELF::ET_DYN},
    {"Core",         "CORE (Core file)",         ELF::ET_CORE},
  };
  
  static const EnumEntry<unsigned> ElfOSABI[] = {
    {"SystemV",      "UNIX - System V",      ELF::ELFOSABI_NONE},
    {"HPUX",         "UNIX - HP-UX",         ELF::ELFOSABI_HPUX},
    {"NetBSD",       "UNIX - NetBSD",        ELF::ELFOSABI_NETBSD},
    {"GNU/Linux",    "UNIX - GNU",           ELF::ELFOSABI_LINUX},
    {"GNU/Hurd",     "GNU/Hurd",             ELF::ELFOSABI_HURD},
    {"Solaris",      "UNIX - Solaris",       ELF::ELFOSABI_SOLARIS},
    {"AIX",          "UNIX - AIX",           ELF::ELFOSABI_AIX},
    {"IRIX",         "UNIX - IRIX",          ELF::ELFOSABI_IRIX},
    {"FreeBSD",      "UNIX - FreeBSD",       ELF::ELFOSABI_FREEBSD},
    {"TRU64",        "UNIX - TRU64",         ELF::ELFOSABI_TRU64},
    {"Modesto",      "Novell - Modesto",     ELF::ELFOSABI_MODESTO},
    {"OpenBSD",      "UNIX - OpenBSD",       ELF::ELFOSABI_OPENBSD},
    {"OpenVMS",      "VMS - OpenVMS",        ELF::ELFOSABI_OPENVMS},
    {"NSK",          "HP - Non-Stop Kernel", ELF::ELFOSABI_NSK},
    {"AROS",         "AROS",                 ELF::ELFOSABI_AROS},
    {"FenixOS",      "FenixOS",              ELF::ELFOSABI_FENIXOS},
    {"CloudABI",     "CloudABI",             ELF::ELFOSABI_CLOUDABI},
    {"Standalone",   "Standalone App",       ELF::ELFOSABI_STANDALONE}
  };
  
  static const EnumEntry<unsigned> AMDGPUElfOSABI[] = {
    {"AMDGPU_HSA",    "AMDGPU - HSA",    ELF::ELFOSABI_AMDGPU_HSA},
    {"AMDGPU_PAL",    "AMDGPU - PAL",    ELF::ELFOSABI_AMDGPU_PAL},
    {"AMDGPU_MESA3D", "AMDGPU - MESA3D", ELF::ELFOSABI_AMDGPU_MESA3D}
  };
  
  static const EnumEntry<unsigned> ARMElfOSABI[] = {
    {"ARM", "ARM", ELF::ELFOSABI_ARM}
  };
  
  static const EnumEntry<unsigned> C6000ElfOSABI[] = {
    {"C6000_ELFABI", "Bare-metal C6000", ELF::ELFOSABI_C6000_ELFABI},
    {"C6000_LINUX",  "Linux C6000",      ELF::ELFOSABI_C6000_LINUX}
  };
  
  static const EnumEntry<unsigned> ElfMachineType[] = {
    ENUM_ENT(EM_NONE,          "None"),
    ENUM_ENT(EM_M32,           "WE32100"),
    ENUM_ENT(EM_SPARC,         "Sparc"),
    ENUM_ENT(EM_386,           "Intel 80386"),
    ENUM_ENT(EM_68K,           "MC68000"),
    ENUM_ENT(EM_88K,           "MC88000"),
    ENUM_ENT(EM_IAMCU,         "EM_IAMCU"),
    ENUM_ENT(EM_860,           "Intel 80860"),
    ENUM_ENT(EM_MIPS,          "MIPS R3000"),
    ENUM_ENT(EM_S370,          "IBM System/370"),
    ENUM_ENT(EM_MIPS_RS3_LE,   "MIPS R3000 little-endian"),
    ENUM_ENT(EM_PARISC,        "HPPA"),
    ENUM_ENT(EM_VPP500,        "Fujitsu VPP500"),
    ENUM_ENT(EM_SPARC32PLUS,   "Sparc v8+"),
    ENUM_ENT(EM_960,           "Intel 80960"),
    ENUM_ENT(EM_PPC,           "PowerPC"),
    ENUM_ENT(EM_PPC64,         "PowerPC64"),
    ENUM_ENT(EM_S390,          "IBM S/390"),
    ENUM_ENT(EM_SPU,           "SPU"),
    ENUM_ENT(EM_V800,          "NEC V800 series"),
    ENUM_ENT(EM_FR20,          "Fujistsu FR20"),
    ENUM_ENT(EM_RH32,          "TRW RH-32"),
    ENUM_ENT(EM_RCE,           "Motorola RCE"),
    ENUM_ENT(EM_ARM,           "ARM"),
    ENUM_ENT(EM_ALPHA,         "EM_ALPHA"),
    ENUM_ENT(EM_SH,            "Hitachi SH"),
    ENUM_ENT(EM_SPARCV9,       "Sparc v9"),
    ENUM_ENT(EM_TRICORE,       "Siemens Tricore"),
    ENUM_ENT(EM_ARC,           "ARC"),
    ENUM_ENT(EM_H8_300,        "Hitachi H8/300"),
    ENUM_ENT(EM_H8_300H,       "Hitachi H8/300H"),
    ENUM_ENT(EM_H8S,           "Hitachi H8S"),
    ENUM_ENT(EM_H8_500,        "Hitachi H8/500"),
    ENUM_ENT(EM_IA_64,         "Intel IA-64"),
    ENUM_ENT(EM_MIPS_X,        "Stanford MIPS-X"),
    ENUM_ENT(EM_COLDFIRE,      "Motorola Coldfire"),
    ENUM_ENT(EM_68HC12,        "Motorola MC68HC12 Microcontroller"),
    ENUM_ENT(EM_MMA,           "Fujitsu Multimedia Accelerator"),
    ENUM_ENT(EM_PCP,           "Siemens PCP"),
    ENUM_ENT(EM_NCPU,          "Sony nCPU embedded RISC processor"),
    ENUM_ENT(EM_NDR1,          "Denso NDR1 microprocesspr"),
    ENUM_ENT(EM_STARCORE,      "Motorola Star*Core processor"),
    ENUM_ENT(EM_ME16,          "Toyota ME16 processor"),
    ENUM_ENT(EM_ST100,         "STMicroelectronics ST100 processor"),
    ENUM_ENT(EM_TINYJ,         "Advanced Logic Corp. TinyJ embedded processor"),
    ENUM_ENT(EM_X86_64,        "Advanced Micro Devices X86-64"),
    ENUM_ENT(EM_PDSP,          "Sony DSP processor"),
    ENUM_ENT(EM_PDP10,         "Digital Equipment Corp. PDP-10"),
    ENUM_ENT(EM_PDP11,         "Digital Equipment Corp. PDP-11"),
    ENUM_ENT(EM_FX66,          "Siemens FX66 microcontroller"),
    ENUM_ENT(EM_ST9PLUS,       "STMicroelectronics ST9+ 8/16 bit microcontroller"),
    ENUM_ENT(EM_ST7,           "STMicroelectronics ST7 8-bit microcontroller"),
    ENUM_ENT(EM_68HC16,        "Motorola MC68HC16 Microcontroller"),
    ENUM_ENT(EM_68HC11,        "Motorola MC68HC11 Microcontroller"),
    ENUM_ENT(EM_68HC08,        "Motorola MC68HC08 Microcontroller"),
    ENUM_ENT(EM_68HC05,        "Motorola MC68HC05 Microcontroller"),
    ENUM_ENT(EM_SVX,           "Silicon Graphics SVx"),
    ENUM_ENT(EM_ST19,          "STMicroelectronics ST19 8-bit microcontroller"),
    ENUM_ENT(EM_VAX,           "Digital VAX"),
    ENUM_ENT(EM_CRIS,          "Axis Communications 32-bit embedded processor"),
    ENUM_ENT(EM_JAVELIN,       "Infineon Technologies 32-bit embedded cpu"),
    ENUM_ENT(EM_FIREPATH,      "Element 14 64-bit DSP processor"),
    ENUM_ENT(EM_ZSP,           "LSI Logic's 16-bit DSP processor"),
    ENUM_ENT(EM_MMIX,          "Donald Knuth's educational 64-bit processor"),
    ENUM_ENT(EM_HUANY,         "Harvard Universitys's machine-independent object format"),
    ENUM_ENT(EM_PRISM,         "Vitesse Prism"),
    ENUM_ENT(EM_AVR,           "Atmel AVR 8-bit microcontroller"),
    ENUM_ENT(EM_FR30,          "Fujitsu FR30"),
    ENUM_ENT(EM_D10V,          "Mitsubishi D10V"),
    ENUM_ENT(EM_D30V,          "Mitsubishi D30V"),
    ENUM_ENT(EM_V850,          "NEC v850"),
    ENUM_ENT(EM_M32R,          "Renesas M32R (formerly Mitsubishi M32r)"),
    ENUM_ENT(EM_MN10300,       "Matsushita MN10300"),
    ENUM_ENT(EM_MN10200,       "Matsushita MN10200"),
    ENUM_ENT(EM_PJ,            "picoJava"),
    ENUM_ENT(EM_OPENRISC,      "OpenRISC 32-bit embedded processor"),
    ENUM_ENT(EM_ARC_COMPACT,   "EM_ARC_COMPACT"),
    ENUM_ENT(EM_XTENSA,        "Tensilica Xtensa Processor"),
    ENUM_ENT(EM_VIDEOCORE,     "Alphamosaic VideoCore processor"),
    ENUM_ENT(EM_TMM_GPP,       "Thompson Multimedia General Purpose Processor"),
    ENUM_ENT(EM_NS32K,         "National Semiconductor 32000 series"),
    ENUM_ENT(EM_TPC,           "Tenor Network TPC processor"),
    ENUM_ENT(EM_SNP1K,         "EM_SNP1K"),
    ENUM_ENT(EM_ST200,         "STMicroelectronics ST200 microcontroller"),
    ENUM_ENT(EM_IP2K,          "Ubicom IP2xxx 8-bit microcontrollers"),
    ENUM_ENT(EM_MAX,           "MAX Processor"),
    ENUM_ENT(EM_CR,            "National Semiconductor CompactRISC"),
    ENUM_ENT(EM_F2MC16,        "Fujitsu F2MC16"),
    ENUM_ENT(EM_MSP430,        "Texas Instruments msp430 microcontroller"),
    ENUM_ENT(EM_BLACKFIN,      "Analog Devices Blackfin"),
    ENUM_ENT(EM_SE_C33,        "S1C33 Family of Seiko Epson processors"),
    ENUM_ENT(EM_SEP,           "Sharp embedded microprocessor"),
    ENUM_ENT(EM_ARCA,          "Arca RISC microprocessor"),
    ENUM_ENT(EM_UNICORE,       "Unicore"),
    ENUM_ENT(EM_EXCESS,        "eXcess 16/32/64-bit configurable embedded CPU"),
    ENUM_ENT(EM_DXP,           "Icera Semiconductor Inc. Deep Execution Processor"),
    ENUM_ENT(EM_ALTERA_NIOS2,  "Altera Nios"),
    ENUM_ENT(EM_CRX,           "National Semiconductor CRX microprocessor"),
    ENUM_ENT(EM_XGATE,         "Motorola XGATE embedded processor"),
    ENUM_ENT(EM_C166,          "Infineon Technologies xc16x"),
    ENUM_ENT(EM_M16C,          "Renesas M16C"),
    ENUM_ENT(EM_DSPIC30F,      "Microchip Technology dsPIC30F Digital Signal Controller"),
    ENUM_ENT(EM_CE,            "Freescale Communication Engine RISC core"),
    ENUM_ENT(EM_M32C,          "Renesas M32C"),
    ENUM_ENT(EM_TSK3000,       "Altium TSK3000 core"),
    ENUM_ENT(EM_RS08,          "Freescale RS08 embedded processor"),
    ENUM_ENT(EM_SHARC,         "EM_SHARC"),
    ENUM_ENT(EM_ECOG2,         "Cyan Technology eCOG2 microprocessor"),
    ENUM_ENT(EM_SCORE7,        "SUNPLUS S+Core"),
    ENUM_ENT(EM_DSP24,         "New Japan Radio (NJR) 24-bit DSP Processor"),
    ENUM_ENT(EM_VIDEOCORE3,    "Broadcom VideoCore III processor"),
    ENUM_ENT(EM_LATTICEMICO32, "Lattice Mico32"),
    ENUM_ENT(EM_SE_C17,        "Seiko Epson C17 family"),
    ENUM_ENT(EM_TI_C6000,      "Texas Instruments TMS320C6000 DSP family"),
    ENUM_ENT(EM_TI_C2000,      "Texas Instruments TMS320C2000 DSP family"),
    ENUM_ENT(EM_TI_C5500,      "Texas Instruments TMS320C55x DSP family"),
    ENUM_ENT(EM_MMDSP_PLUS,    "STMicroelectronics 64bit VLIW Data Signal Processor"),
    ENUM_ENT(EM_CYPRESS_M8C,   "Cypress M8C microprocessor"),
    ENUM_ENT(EM_R32C,          "Renesas R32C series microprocessors"),
    ENUM_ENT(EM_TRIMEDIA,      "NXP Semiconductors TriMedia architecture family"),
    ENUM_ENT(EM_HEXAGON,       "Qualcomm Hexagon"),
    ENUM_ENT(EM_8051,          "Intel 8051 and variants"),
    ENUM_ENT(EM_STXP7X,        "STMicroelectronics STxP7x family"),
    ENUM_ENT(EM_NDS32,         "Andes Technology compact code size embedded RISC processor family"),
    ENUM_ENT(EM_ECOG1,         "Cyan Technology eCOG1 microprocessor"),
    ENUM_ENT(EM_ECOG1X,        "Cyan Technology eCOG1X family"),
    ENUM_ENT(EM_MAXQ30,        "Dallas Semiconductor MAXQ30 Core microcontrollers"),
    ENUM_ENT(EM_XIMO16,        "New Japan Radio (NJR) 16-bit DSP Processor"),
    ENUM_ENT(EM_MANIK,         "M2000 Reconfigurable RISC Microprocessor"),
    ENUM_ENT(EM_CRAYNV2,       "Cray Inc. NV2 vector architecture"),
    ENUM_ENT(EM_RX,            "Renesas RX"),
    ENUM_ENT(EM_METAG,         "Imagination Technologies Meta processor architecture"),
    ENUM_ENT(EM_MCST_ELBRUS,   "MCST Elbrus general purpose hardware architecture"),
    ENUM_ENT(EM_ECOG16,        "Cyan Technology eCOG16 family"),
    ENUM_ENT(EM_CR16,          "Xilinx MicroBlaze"),
    ENUM_ENT(EM_ETPU,          "Freescale Extended Time Processing Unit"),
    ENUM_ENT(EM_SLE9X,         "Infineon Technologies SLE9X core"),
    ENUM_ENT(EM_L10M,          "EM_L10M"),
    ENUM_ENT(EM_K10M,          "EM_K10M"),
    ENUM_ENT(EM_AARCH64,       "AArch64"),
    ENUM_ENT(EM_AVR32,         "Atmel Corporation 32-bit microprocessor family"),
    ENUM_ENT(EM_STM8,          "STMicroeletronics STM8 8-bit microcontroller"),
    ENUM_ENT(EM_TILE64,        "Tilera TILE64 multicore architecture family"),
    ENUM_ENT(EM_TILEPRO,       "Tilera TILEPro multicore architecture family"),
    ENUM_ENT(EM_CUDA,          "NVIDIA CUDA architecture"),
    ENUM_ENT(EM_TILEGX,        "Tilera TILE-Gx multicore architecture family"),
    ENUM_ENT(EM_CLOUDSHIELD,   "EM_CLOUDSHIELD"),
    ENUM_ENT(EM_COREA_1ST,     "EM_COREA_1ST"),
    ENUM_ENT(EM_COREA_2ND,     "EM_COREA_2ND"),
    ENUM_ENT(EM_ARC_COMPACT2,  "EM_ARC_COMPACT2"),
    ENUM_ENT(EM_OPEN8,         "EM_OPEN8"),
    ENUM_ENT(EM_RL78,          "Renesas RL78"),
    ENUM_ENT(EM_VIDEOCORE5,    "Broadcom VideoCore V processor"),
    ENUM_ENT(EM_78KOR,         "EM_78KOR"),
    ENUM_ENT(EM_56800EX,       "EM_56800EX"),
    ENUM_ENT(EM_AMDGPU,        "EM_AMDGPU"),
    ENUM_ENT(EM_RISCV,         "RISC-V"),
    ENUM_ENT(EM_LANAI,         "EM_LANAI"),
    ENUM_ENT(EM_BPF,           "EM_BPF"),
  };
  
  static const EnumEntry<unsigned> ElfSymbolBindings[] = {
      {"Local",  "LOCAL",  ELF::STB_LOCAL},
      {"Global", "GLOBAL", ELF::STB_GLOBAL},
      {"Weak",   "WEAK",   ELF::STB_WEAK},
      {"Unique", "UNIQUE", ELF::STB_GNU_UNIQUE}};
  
  static const EnumEntry<unsigned> ElfSymbolVisibilities[] = {
      {"DEFAULT",   "DEFAULT",   ELF::STV_DEFAULT},
      {"INTERNAL",  "INTERNAL",  ELF::STV_INTERNAL},
      {"HIDDEN",    "HIDDEN",    ELF::STV_HIDDEN},
      {"PROTECTED", "PROTECTED", ELF::STV_PROTECTED}};
  
  static const EnumEntry<unsigned> ElfSymbolTypes[] = {
      {"None",      "NOTYPE",  ELF::STT_NOTYPE},
      {"Object",    "OBJECT",  ELF::STT_OBJECT},
      {"Function",  "FUNC",    ELF::STT_FUNC},
      {"Section",   "SECTION", ELF::STT_SECTION},
      {"File",      "FILE",    ELF::STT_FILE},
      {"Common",    "COMMON",  ELF::STT_COMMON},
      {"TLS",       "TLS",     ELF::STT_TLS},
      {"GNU_IFunc", "IFUNC",   ELF::STT_GNU_IFUNC}};
  
  static const EnumEntry<unsigned> AMDGPUSymbolTypes[] = {
    { "AMDGPU_HSA_KERNEL",            ELF::STT_AMDGPU_HSA_KERNEL }
  };
  
  static const char *getGroupType(uint32_t Flag) {
    if (Flag & ELF::GRP_COMDAT)
      return "COMDAT";
    else
      return "(unknown)";
  }
  
  static const EnumEntry<unsigned> ElfSectionFlags[] = {
    ENUM_ENT(SHF_WRITE,            "W"),
    ENUM_ENT(SHF_ALLOC,            "A"),
    ENUM_ENT(SHF_EXCLUDE,          "E"),
    ENUM_ENT(SHF_EXECINSTR,        "X"),
    ENUM_ENT(SHF_MERGE,            "M"),
    ENUM_ENT(SHF_STRINGS,          "S"),
    ENUM_ENT(SHF_INFO_LINK,        "I"),
    ENUM_ENT(SHF_LINK_ORDER,       "L"),
    ENUM_ENT(SHF_OS_NONCONFORMING, "o"),
    ENUM_ENT(SHF_GROUP,            "G"),
    ENUM_ENT(SHF_TLS,              "T"),
    ENUM_ENT(SHF_MASKOS,           "o"),
    ENUM_ENT(SHF_MASKPROC,         "p"),
    ENUM_ENT_1(SHF_COMPRESSED),
  };
  
  static const EnumEntry<unsigned> ElfXCoreSectionFlags[] = {
    LLVM_READOBJ_ENUM_ENT(ELF, XCORE_SHF_CP_SECTION),
    LLVM_READOBJ_ENUM_ENT(ELF, XCORE_SHF_DP_SECTION)
  };
  
  static const EnumEntry<unsigned> ElfARMSectionFlags[] = {
    LLVM_READOBJ_ENUM_ENT(ELF, SHF_ARM_PURECODE)
  };
  
  static const EnumEntry<unsigned> ElfHexagonSectionFlags[] = {
    LLVM_READOBJ_ENUM_ENT(ELF, SHF_HEX_GPREL)
  };
  
  static const EnumEntry<unsigned> ElfMipsSectionFlags[] = {
    LLVM_READOBJ_ENUM_ENT(ELF, SHF_MIPS_NODUPES),
    LLVM_READOBJ_ENUM_ENT(ELF, SHF_MIPS_NAMES  ),
    LLVM_READOBJ_ENUM_ENT(ELF, SHF_MIPS_LOCAL  ),
    LLVM_READOBJ_ENUM_ENT(ELF, SHF_MIPS_NOSTRIP),
    LLVM_READOBJ_ENUM_ENT(ELF, SHF_MIPS_GPREL  ),
    LLVM_READOBJ_ENUM_ENT(ELF, SHF_MIPS_MERGE  ),
    LLVM_READOBJ_ENUM_ENT(ELF, SHF_MIPS_ADDR   ),
    LLVM_READOBJ_ENUM_ENT(ELF, SHF_MIPS_STRING )
  };
  
  static const EnumEntry<unsigned> ElfX86_64SectionFlags[] = {
    LLVM_READOBJ_ENUM_ENT(ELF, SHF_X86_64_LARGE)
  };
  
  static std::string getGNUFlags(uint64_t Flags) {
    std::string Str;
    for (auto Entry : ElfSectionFlags) {
      uint64_t Flag = Entry.Value & Flags;
      Flags &= ~Entry.Value;
      switch (Flag) {
      case ELF::SHF_WRITE:
      case ELF::SHF_ALLOC:
      case ELF::SHF_EXECINSTR:
      case ELF::SHF_MERGE:
      case ELF::SHF_STRINGS:
      case ELF::SHF_INFO_LINK:
      case ELF::SHF_LINK_ORDER:
      case ELF::SHF_OS_NONCONFORMING:
      case ELF::SHF_GROUP:
      case ELF::SHF_TLS:
      case ELF::SHF_EXCLUDE:
        Str += Entry.AltName;
        break;
      default:
        if (Flag & ELF::SHF_MASKOS)
          Str += "o";
        else if (Flag & ELF::SHF_MASKPROC)
          Str += "p";
        else if (Flag)
          Str += "x";
      }
    }
    return Str;
  }
  
  static const char *getElfSegmentType(unsigned Arch, unsigned Type) {
    // Check potentially overlapped processor-specific
    // program header type.
    switch (Arch) {
    case ELF::EM_ARM:
      switch (Type) {
      LLVM_READOBJ_ENUM_CASE(ELF, PT_ARM_EXIDX);
      }
      break;
    case ELF::EM_MIPS:
    case ELF::EM_MIPS_RS3_LE:
      switch (Type) {
      LLVM_READOBJ_ENUM_CASE(ELF, PT_MIPS_REGINFO);
      LLVM_READOBJ_ENUM_CASE(ELF, PT_MIPS_RTPROC);
      LLVM_READOBJ_ENUM_CASE(ELF, PT_MIPS_OPTIONS);
      LLVM_READOBJ_ENUM_CASE(ELF, PT_MIPS_ABIFLAGS);
      }
      break;
    }
  
    switch (Type) {
    LLVM_READOBJ_ENUM_CASE(ELF, PT_NULL   );
    LLVM_READOBJ_ENUM_CASE(ELF, PT_LOAD   );
    LLVM_READOBJ_ENUM_CASE(ELF, PT_DYNAMIC);
    LLVM_READOBJ_ENUM_CASE(ELF, PT_INTERP );
    LLVM_READOBJ_ENUM_CASE(ELF, PT_NOTE   );
    LLVM_READOBJ_ENUM_CASE(ELF, PT_SHLIB  );
    LLVM_READOBJ_ENUM_CASE(ELF, PT_PHDR   );
    LLVM_READOBJ_ENUM_CASE(ELF, PT_TLS    );
  
    LLVM_READOBJ_ENUM_CASE(ELF, PT_GNU_EH_FRAME);
    LLVM_READOBJ_ENUM_CASE(ELF, PT_SUNW_UNWIND);
  
    LLVM_READOBJ_ENUM_CASE(ELF, PT_GNU_STACK);
    LLVM_READOBJ_ENUM_CASE(ELF, PT_GNU_RELRO);
  
    LLVM_READOBJ_ENUM_CASE(ELF, PT_OPENBSD_RANDOMIZE);
    LLVM_READOBJ_ENUM_CASE(ELF, PT_OPENBSD_WXNEEDED);
    LLVM_READOBJ_ENUM_CASE(ELF, PT_OPENBSD_BOOTDATA);
  
    default: return "";
    }
  }
  
  static std::string getElfPtType(unsigned Arch, unsigned Type) {
    switch (Type) {
      LLVM_READOBJ_PHDR_ENUM(ELF, PT_NULL)
      LLVM_READOBJ_PHDR_ENUM(ELF, PT_LOAD)
      LLVM_READOBJ_PHDR_ENUM(ELF, PT_DYNAMIC)
      LLVM_READOBJ_PHDR_ENUM(ELF, PT_INTERP)
      LLVM_READOBJ_PHDR_ENUM(ELF, PT_NOTE)
      LLVM_READOBJ_PHDR_ENUM(ELF, PT_SHLIB)
      LLVM_READOBJ_PHDR_ENUM(ELF, PT_PHDR)
      LLVM_READOBJ_PHDR_ENUM(ELF, PT_TLS)
      LLVM_READOBJ_PHDR_ENUM(ELF, PT_GNU_EH_FRAME)
      LLVM_READOBJ_PHDR_ENUM(ELF, PT_SUNW_UNWIND)
      LLVM_READOBJ_PHDR_ENUM(ELF, PT_GNU_STACK)
      LLVM_READOBJ_PHDR_ENUM(ELF, PT_GNU_RELRO)
    default:
      // All machine specific PT_* types
      switch (Arch) {
      case ELF::EM_ARM:
        if (Type == ELF::PT_ARM_EXIDX)
          return "EXIDX";
        break;
      case ELF::EM_MIPS:
      case ELF::EM_MIPS_RS3_LE:
        switch (Type) {
        case PT_MIPS_REGINFO:
          return "REGINFO";
        case PT_MIPS_RTPROC:
          return "RTPROC";
        case PT_MIPS_OPTIONS:
          return "OPTIONS";
        case PT_MIPS_ABIFLAGS:
          return "ABIFLAGS";
        }
        break;
      }
    }
    return std::string("<unknown>: ") + to_string(format_hex(Type, 1));
  }
  
  static const EnumEntry<unsigned> ElfSegmentFlags[] = {
    LLVM_READOBJ_ENUM_ENT(ELF, PF_X),
    LLVM_READOBJ_ENUM_ENT(ELF, PF_W),
    LLVM_READOBJ_ENUM_ENT(ELF, PF_R)
  };
  
  static const EnumEntry<unsigned> ElfHeaderMipsFlags[] = {
    ENUM_ENT(EF_MIPS_NOREORDER, "noreorder"),
    ENUM_ENT(EF_MIPS_PIC, "pic"),
    ENUM_ENT(EF_MIPS_CPIC, "cpic"),
    ENUM_ENT(EF_MIPS_ABI2, "abi2"),
    ENUM_ENT(EF_MIPS_32BITMODE, "32bitmode"),
    ENUM_ENT(EF_MIPS_FP64, "fp64"),
    ENUM_ENT(EF_MIPS_NAN2008, "nan2008"),
    ENUM_ENT(EF_MIPS_ABI_O32, "o32"),
    ENUM_ENT(EF_MIPS_ABI_O64, "o64"),
    ENUM_ENT(EF_MIPS_ABI_EABI32, "eabi32"),
    ENUM_ENT(EF_MIPS_ABI_EABI64, "eabi64"),
    ENUM_ENT(EF_MIPS_MACH_3900, "3900"),
    ENUM_ENT(EF_MIPS_MACH_4010, "4010"),
    ENUM_ENT(EF_MIPS_MACH_4100, "4100"),
    ENUM_ENT(EF_MIPS_MACH_4650, "4650"),
    ENUM_ENT(EF_MIPS_MACH_4120, "4120"),
    ENUM_ENT(EF_MIPS_MACH_4111, "4111"),
    ENUM_ENT(EF_MIPS_MACH_SB1, "sb1"),
    ENUM_ENT(EF_MIPS_MACH_OCTEON, "octeon"),
    ENUM_ENT(EF_MIPS_MACH_XLR, "xlr"),
    ENUM_ENT(EF_MIPS_MACH_OCTEON2, "octeon2"),
    ENUM_ENT(EF_MIPS_MACH_OCTEON3, "octeon3"),
    ENUM_ENT(EF_MIPS_MACH_5400, "5400"),
    ENUM_ENT(EF_MIPS_MACH_5900, "5900"),
    ENUM_ENT(EF_MIPS_MACH_5500, "5500"),
    ENUM_ENT(EF_MIPS_MACH_9000, "9000"),
    ENUM_ENT(EF_MIPS_MACH_LS2E, "loongson-2e"),
    ENUM_ENT(EF_MIPS_MACH_LS2F, "loongson-2f"),
    ENUM_ENT(EF_MIPS_MACH_LS3A, "loongson-3a"),
    ENUM_ENT(EF_MIPS_MICROMIPS, "micromips"),
    ENUM_ENT(EF_MIPS_ARCH_ASE_M16, "mips16"),
    ENUM_ENT(EF_MIPS_ARCH_ASE_MDMX, "mdmx"),
    ENUM_ENT(EF_MIPS_ARCH_1, "mips1"),
    ENUM_ENT(EF_MIPS_ARCH_2, "mips2"),
    ENUM_ENT(EF_MIPS_ARCH_3, "mips3"),
    ENUM_ENT(EF_MIPS_ARCH_4, "mips4"),
    ENUM_ENT(EF_MIPS_ARCH_5, "mips5"),
    ENUM_ENT(EF_MIPS_ARCH_32, "mips32"),
    ENUM_ENT(EF_MIPS_ARCH_64, "mips64"),
    ENUM_ENT(EF_MIPS_ARCH_32R2, "mips32r2"),
    ENUM_ENT(EF_MIPS_ARCH_64R2, "mips64r2"),
    ENUM_ENT(EF_MIPS_ARCH_32R6, "mips32r6"),
    ENUM_ENT(EF_MIPS_ARCH_64R6, "mips64r6")
  };
  
  static const EnumEntry<unsigned> ElfHeaderAMDGPUFlags[] = {
    LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_NONE),
    LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_R600_R600),
    LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_R600_R630),
    LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_R600_RS880),
    LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_R600_RV670),
    LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_R600_RV710),
    LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_R600_RV730),
    LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_R600_RV770),
    LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_R600_CEDAR),
    LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_R600_CYPRESS),
    LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_R600_JUNIPER),
    LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_R600_REDWOOD),
    LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_R600_SUMO),
    LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_R600_BARTS),
    LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_R600_CAICOS),
    LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_R600_CAYMAN),
    LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_R600_TURKS),
    LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_AMDGCN_GFX600),
    LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_AMDGCN_GFX601),
    LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_AMDGCN_GFX700),
    LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_AMDGCN_GFX701),
    LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_AMDGCN_GFX702),
    LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_AMDGCN_GFX703),
    LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_AMDGCN_GFX704),
    LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_AMDGCN_GFX801),
    LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_AMDGCN_GFX802),
    LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_AMDGCN_GFX803),
    LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_AMDGCN_GFX810),
    LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_AMDGCN_GFX900),
    LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_AMDGCN_GFX902),
    LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_AMDGCN_GFX904),
    LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_AMDGCN_GFX906),
    LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_MACH_AMDGCN_GFX909),
    LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_XNACK),
    LLVM_READOBJ_ENUM_ENT(ELF, EF_AMDGPU_SRAM_ECC)
  };
  
  static const EnumEntry<unsigned> ElfHeaderRISCVFlags[] = {
    ENUM_ENT(EF_RISCV_RVC, "RVC"),
    ENUM_ENT(EF_RISCV_FLOAT_ABI_SINGLE, "single-float ABI"),
    ENUM_ENT(EF_RISCV_FLOAT_ABI_DOUBLE, "double-float ABI"),
    ENUM_ENT(EF_RISCV_FLOAT_ABI_QUAD, "quad-float ABI"),
    ENUM_ENT(EF_RISCV_RVE, "RVE")
  };
  
  static const EnumEntry<unsigned> ElfSymOtherFlags[] = {
    LLVM_READOBJ_ENUM_ENT(ELF, STV_INTERNAL),
    LLVM_READOBJ_ENUM_ENT(ELF, STV_HIDDEN),
    LLVM_READOBJ_ENUM_ENT(ELF, STV_PROTECTED)
  };
  
  static const EnumEntry<unsigned> ElfMipsSymOtherFlags[] = {
    LLVM_READOBJ_ENUM_ENT(ELF, STO_MIPS_OPTIONAL),
    LLVM_READOBJ_ENUM_ENT(ELF, STO_MIPS_PLT),
    LLVM_READOBJ_ENUM_ENT(ELF, STO_MIPS_PIC),
    LLVM_READOBJ_ENUM_ENT(ELF, STO_MIPS_MICROMIPS)
  };
  
  static const EnumEntry<unsigned> ElfMips16SymOtherFlags[] = {
    LLVM_READOBJ_ENUM_ENT(ELF, STO_MIPS_OPTIONAL),
    LLVM_READOBJ_ENUM_ENT(ELF, STO_MIPS_PLT),
    LLVM_READOBJ_ENUM_ENT(ELF, STO_MIPS_MIPS16)
  };
  
  static const char *getElfMipsOptionsOdkType(unsigned Odk) {
    switch (Odk) {
    LLVM_READOBJ_ENUM_CASE(ELF, ODK_NULL);
    LLVM_READOBJ_ENUM_CASE(ELF, ODK_REGINFO);
    LLVM_READOBJ_ENUM_CASE(ELF, ODK_EXCEPTIONS);
    LLVM_READOBJ_ENUM_CASE(ELF, ODK_PAD);
    LLVM_READOBJ_ENUM_CASE(ELF, ODK_HWPATCH);
    LLVM_READOBJ_ENUM_CASE(ELF, ODK_FILL);
    LLVM_READOBJ_ENUM_CASE(ELF, ODK_TAGS);
    LLVM_READOBJ_ENUM_CASE(ELF, ODK_HWAND);
    LLVM_READOBJ_ENUM_CASE(ELF, ODK_HWOR);
    LLVM_READOBJ_ENUM_CASE(ELF, ODK_GP_GROUP);
    LLVM_READOBJ_ENUM_CASE(ELF, ODK_IDENT);
    LLVM_READOBJ_ENUM_CASE(ELF, ODK_PAGESIZE);
    default:
      return "Unknown";
    }
  }
  
  template <typename ELFT>
  ELFDumper<ELFT>::ELFDumper(const object::ELFObjectFile<ELFT> *ObjF,
      ScopedPrinter &Writer)
      : ObjDumper(Writer), ObjF(ObjF) {
    SmallVector<const Elf_Phdr *, 4> LoadSegments;
    const ELFFile<ELFT> *Obj = ObjF->getELFFile();
    for (const Elf_Phdr &Phdr : unwrapOrError(Obj->program_headers())) {
      if (Phdr.p_type == ELF::PT_DYNAMIC) {
        DynamicTable = createDRIFrom(&Phdr, sizeof(Elf_Dyn));
        continue;
      }
      if (Phdr.p_type != ELF::PT_LOAD || Phdr.p_filesz == 0)
        continue;
      LoadSegments.push_back(&Phdr);
    }
  
    for (const Elf_Shdr &Sec : unwrapOrError(Obj->sections())) {
      switch (Sec.sh_type) {
      case ELF::SHT_SYMTAB:
        if (DotSymtabSec != nullptr)
          reportError("Multiple SHT_SYMTAB");
        DotSymtabSec = &Sec;
        break;
      case ELF::SHT_DYNSYM:
        if (DynSymRegion.Size)
          reportError("Multiple SHT_DYNSYM");
        DynSymRegion = createDRIFrom(&Sec);
        // This is only used (if Elf_Shdr present)for naming section in GNU style
        DynSymtabName = unwrapOrError(Obj->getSectionName(&Sec));
        DynamicStringTable = unwrapOrError(Obj->getStringTableForSymtab(Sec));
        break;
      case ELF::SHT_SYMTAB_SHNDX:
        ShndxTable = unwrapOrError(Obj->getSHNDXTable(Sec));
        break;
      case ELF::SHT_GNU_versym:
        if (dot_gnu_version_sec != nullptr)
          reportError("Multiple SHT_GNU_versym");
        dot_gnu_version_sec = &Sec;
        break;
      case ELF::SHT_GNU_verdef:
        if (dot_gnu_version_d_sec != nullptr)
          reportError("Multiple SHT_GNU_verdef");
        dot_gnu_version_d_sec = &Sec;
        break;
      case ELF::SHT_GNU_verneed:
        if (dot_gnu_version_r_sec != nullptr)
          reportError("Multiple SHT_GNU_verneed");
        dot_gnu_version_r_sec = &Sec;
        break;
      case ELF::SHT_LLVM_CALL_GRAPH_PROFILE:
        if (DotCGProfileSec != nullptr)
          reportError("Multiple .llvm.call-graph-profile");
        DotCGProfileSec = &Sec;
        break;
      case ELF::SHT_LLVM_ADDRSIG:
        if (DotAddrsigSec != nullptr)
          reportError("Multiple .llvm_addrsig");
        DotAddrsigSec = &Sec;
        break;
      }
    }
  
    parseDynamicTable(LoadSegments);
  
    if (opts::Output == opts::GNU)
      ELFDumperStyle.reset(new GNUStyle<ELFT>(Writer, this));
    else
      ELFDumperStyle.reset(new LLVMStyle<ELFT>(Writer, this));
  }
  
  template <typename ELFT>
  void ELFDumper<ELFT>::parseDynamicTable(
      ArrayRef<const Elf_Phdr *> LoadSegments) {
    auto toMappedAddr = [&](uint64_t VAddr) -> const uint8_t * {
      auto MappedAddrOrError = ObjF->getELFFile()->toMappedAddr(VAddr);
      if (!MappedAddrOrError)
        report_fatal_error(MappedAddrOrError.takeError());
      return MappedAddrOrError.get();
    };
  
    uint64_t SONameOffset = 0;
    const char *StringTableBegin = nullptr;
    uint64_t StringTableSize = 0;
    for (const Elf_Dyn &Dyn : dynamic_table()) {
      switch (Dyn.d_tag) {
      case ELF::DT_HASH:
        HashTable =
            reinterpret_cast<const Elf_Hash *>(toMappedAddr(Dyn.getPtr()));
        break;
      case ELF::DT_GNU_HASH:
        GnuHashTable =
            reinterpret_cast<const Elf_GnuHash *>(toMappedAddr(Dyn.getPtr()));
        break;
      case ELF::DT_STRTAB:
        StringTableBegin = (const char *)toMappedAddr(Dyn.getPtr());
        break;
      case ELF::DT_STRSZ:
        StringTableSize = Dyn.getVal();
        break;
      case ELF::DT_SYMTAB:
        DynSymRegion.Addr = toMappedAddr(Dyn.getPtr());
        DynSymRegion.EntSize = sizeof(Elf_Sym);
        break;
      case ELF::DT_RELA:
        DynRelaRegion.Addr = toMappedAddr(Dyn.getPtr());
        break;
      case ELF::DT_RELASZ:
        DynRelaRegion.Size = Dyn.getVal();
        break;
      case ELF::DT_RELAENT:
        DynRelaRegion.EntSize = Dyn.getVal();
        break;
      case ELF::DT_SONAME:
        SONameOffset = Dyn.getVal();
        break;
      case ELF::DT_REL:
        DynRelRegion.Addr = toMappedAddr(Dyn.getPtr());
        break;
      case ELF::DT_RELSZ:
        DynRelRegion.Size = Dyn.getVal();
        break;
      case ELF::DT_RELENT:
        DynRelRegion.EntSize = Dyn.getVal();
        break;
      case ELF::DT_RELR:
      case ELF::DT_ANDROID_RELR:
        DynRelrRegion.Addr = toMappedAddr(Dyn.getPtr());
        break;
      case ELF::DT_RELRSZ:
      case ELF::DT_ANDROID_RELRSZ:
        DynRelrRegion.Size = Dyn.getVal();
        break;
      case ELF::DT_RELRENT:
      case ELF::DT_ANDROID_RELRENT:
        DynRelrRegion.EntSize = Dyn.getVal();
        break;
      case ELF::DT_PLTREL:
        if (Dyn.getVal() == DT_REL)
          DynPLTRelRegion.EntSize = sizeof(Elf_Rel);
        else if (Dyn.getVal() == DT_RELA)
          DynPLTRelRegion.EntSize = sizeof(Elf_Rela);
        else
          reportError(Twine("unknown DT_PLTREL value of ") +
                      Twine((uint64_t)Dyn.getVal()));
        break;
      case ELF::DT_JMPREL:
        DynPLTRelRegion.Addr = toMappedAddr(Dyn.getPtr());
        break;
      case ELF::DT_PLTRELSZ:
        DynPLTRelRegion.Size = Dyn.getVal();
        break;
      }
    }
    if (StringTableBegin)
      DynamicStringTable = StringRef(StringTableBegin, StringTableSize);
    if (SONameOffset)
      SOName = getDynamicString(SONameOffset);
  }
  
  template <typename ELFT>
  typename ELFDumper<ELFT>::Elf_Rel_Range ELFDumper<ELFT>::dyn_rels() const {
    return DynRelRegion.getAsArrayRef<Elf_Rel>();
  }
  
  template <typename ELFT>
  typename ELFDumper<ELFT>::Elf_Rela_Range ELFDumper<ELFT>::dyn_relas() const {
    return DynRelaRegion.getAsArrayRef<Elf_Rela>();
  }
  
  template <typename ELFT>
  typename ELFDumper<ELFT>::Elf_Relr_Range ELFDumper<ELFT>::dyn_relrs() const {
    return DynRelrRegion.getAsArrayRef<Elf_Relr>();
  }
  
  template<class ELFT>
  void ELFDumper<ELFT>::printFileHeaders() {
    ELFDumperStyle->printFileHeaders(ObjF->getELFFile());
  }
  
  template<class ELFT>
  void ELFDumper<ELFT>::printSectionHeaders() {
    ELFDumperStyle->printSectionHeaders(ObjF->getELFFile());
  }
  
  template<class ELFT>
  void ELFDumper<ELFT>::printRelocations() {
    ELFDumperStyle->printRelocations(ObjF->getELFFile());
  }
  
  template <class ELFT> void ELFDumper<ELFT>::printProgramHeaders() {
    ELFDumperStyle->printProgramHeaders(ObjF->getELFFile());
  }
  
  template <class ELFT> void ELFDumper<ELFT>::printDynamicRelocations() {
    ELFDumperStyle->printDynamicRelocations(ObjF->getELFFile());
  }
  
  template<class ELFT>
  void ELFDumper<ELFT>::printSymbols() {
    ELFDumperStyle->printSymbols(ObjF->getELFFile());
  }
  
  template<class ELFT>
  void ELFDumper<ELFT>::printDynamicSymbols() {
    ELFDumperStyle->printDynamicSymbols(ObjF->getELFFile());
  }
  
  template <class ELFT> void ELFDumper<ELFT>::printHashHistogram() {
    ELFDumperStyle->printHashHistogram(ObjF->getELFFile());
  }
  
  template <class ELFT> void ELFDumper<ELFT>::printCGProfile() {
    ELFDumperStyle->printCGProfile(ObjF->getELFFile());
  }
  
  template <class ELFT> void ELFDumper<ELFT>::printNotes() {
    ELFDumperStyle->printNotes(ObjF->getELFFile());
  }
  
  template <class ELFT> void ELFDumper<ELFT>::printELFLinkerOptions() {
    ELFDumperStyle->printELFLinkerOptions(ObjF->getELFFile());
  }
  
  static const char *getTypeString(unsigned Arch, uint64_t Type) {
  #define DYNAMIC_TAG(n, v)
    switch (Arch) {
    case EM_HEXAGON:
      switch (Type) {
  #define HEXAGON_DYNAMIC_TAG(name, value)                                       \
      case DT_##name:                                                            \
        return #name;
  #include "llvm/BinaryFormat/DynamicTags.def"
  #undef HEXAGON_DYNAMIC_TAG
      }
      break;
  
    case EM_MIPS:
      switch (Type) {
  #define MIPS_DYNAMIC_TAG(name, value)                                          \
      case DT_##name:                                                            \
        return #name;
  #include "llvm/BinaryFormat/DynamicTags.def"
  #undef MIPS_DYNAMIC_TAG
      }
      break;
  
    case EM_PPC64:
      switch(Type) {
  #define PPC64_DYNAMIC_TAG(name, value)                                         \
      case DT_##name:                                                            \
        return #name;
  #include "llvm/BinaryFormat/DynamicTags.def"
  #undef PPC64_DYNAMIC_TAG
      }
      break;
    }
  #undef DYNAMIC_TAG
    switch (Type) {
  // Now handle all dynamic tags except the architecture specific ones
  #define MIPS_DYNAMIC_TAG(name, value)
  #define HEXAGON_DYNAMIC_TAG(name, value)
  #define PPC64_DYNAMIC_TAG(name, value)
  // Also ignore marker tags such as DT_HIOS (maps to DT_VERNEEDNUM), etc.
  #define DYNAMIC_TAG_MARKER(name, value)
  #define DYNAMIC_TAG(name, value)                                               \
    case DT_##name:                                                              \
      return #name;
  #include "llvm/BinaryFormat/DynamicTags.def"
  #undef DYNAMIC_TAG
  #undef MIPS_DYNAMIC_TAG
  #undef HEXAGON_DYNAMIC_TAG
  #undef PPC64_DYNAMIC_TAG
  #undef DYNAMIC_TAG_MARKER
    default: return "unknown";
    }
  }
  
  #define LLVM_READOBJ_DT_FLAG_ENT(prefix, enum) \
    { #enum, prefix##_##enum }
  
  static const EnumEntry<unsigned> ElfDynamicDTFlags[] = {
    LLVM_READOBJ_DT_FLAG_ENT(DF, ORIGIN),
    LLVM_READOBJ_DT_FLAG_ENT(DF, SYMBOLIC),
    LLVM_READOBJ_DT_FLAG_ENT(DF, TEXTREL),
    LLVM_READOBJ_DT_FLAG_ENT(DF, BIND_NOW),
    LLVM_READOBJ_DT_FLAG_ENT(DF, STATIC_TLS)
  };
  
  static const EnumEntry<unsigned> ElfDynamicDTFlags1[] = {
    LLVM_READOBJ_DT_FLAG_ENT(DF_1, NOW),
    LLVM_READOBJ_DT_FLAG_ENT(DF_1, GLOBAL),
    LLVM_READOBJ_DT_FLAG_ENT(DF_1, GROUP),
    LLVM_READOBJ_DT_FLAG_ENT(DF_1, NODELETE),
    LLVM_READOBJ_DT_FLAG_ENT(DF_1, LOADFLTR),
    LLVM_READOBJ_DT_FLAG_ENT(DF_1, INITFIRST),
    LLVM_READOBJ_DT_FLAG_ENT(DF_1, NOOPEN),
    LLVM_READOBJ_DT_FLAG_ENT(DF_1, ORIGIN),
    LLVM_READOBJ_DT_FLAG_ENT(DF_1, DIRECT),
    LLVM_READOBJ_DT_FLAG_ENT(DF_1, TRANS),
    LLVM_READOBJ_DT_FLAG_ENT(DF_1, INTERPOSE),
    LLVM_READOBJ_DT_FLAG_ENT(DF_1, NODEFLIB),
    LLVM_READOBJ_DT_FLAG_ENT(DF_1, NODUMP),
    LLVM_READOBJ_DT_FLAG_ENT(DF_1, CONFALT),
    LLVM_READOBJ_DT_FLAG_ENT(DF_1, ENDFILTEE),
    LLVM_READOBJ_DT_FLAG_ENT(DF_1, DISPRELDNE),
    LLVM_READOBJ_DT_FLAG_ENT(DF_1, NODIRECT),
    LLVM_READOBJ_DT_FLAG_ENT(DF_1, IGNMULDEF),
    LLVM_READOBJ_DT_FLAG_ENT(DF_1, NOKSYMS),
    LLVM_READOBJ_DT_FLAG_ENT(DF_1, NOHDR),
    LLVM_READOBJ_DT_FLAG_ENT(DF_1, EDITED),
    LLVM_READOBJ_DT_FLAG_ENT(DF_1, NORELOC),
    LLVM_READOBJ_DT_FLAG_ENT(DF_1, SYMINTPOSE),
    LLVM_READOBJ_DT_FLAG_ENT(DF_1, GLOBAUDIT),
    LLVM_READOBJ_DT_FLAG_ENT(DF_1, SINGLETON)
  };
  
  static const EnumEntry<unsigned> ElfDynamicDTMipsFlags[] = {
    LLVM_READOBJ_DT_FLAG_ENT(RHF, NONE),
    LLVM_READOBJ_DT_FLAG_ENT(RHF, QUICKSTART),
    LLVM_READOBJ_DT_FLAG_ENT(RHF, NOTPOT),
    LLVM_READOBJ_DT_FLAG_ENT(RHS, NO_LIBRARY_REPLACEMENT),
    LLVM_READOBJ_DT_FLAG_ENT(RHF, NO_MOVE),
    LLVM_READOBJ_DT_FLAG_ENT(RHF, SGI_ONLY),
    LLVM_READOBJ_DT_FLAG_ENT(RHF, GUARANTEE_INIT),
    LLVM_READOBJ_DT_FLAG_ENT(RHF, DELTA_C_PLUS_PLUS),
    LLVM_READOBJ_DT_FLAG_ENT(RHF, GUARANTEE_START_INIT),
    LLVM_READOBJ_DT_FLAG_ENT(RHF, PIXIE),
    LLVM_READOBJ_DT_FLAG_ENT(RHF, DEFAULT_DELAY_LOAD),
    LLVM_READOBJ_DT_FLAG_ENT(RHF, REQUICKSTART),
    LLVM_READOBJ_DT_FLAG_ENT(RHF, REQUICKSTARTED),
    LLVM_READOBJ_DT_FLAG_ENT(RHF, CORD),
    LLVM_READOBJ_DT_FLAG_ENT(RHF, NO_UNRES_UNDEF),
    LLVM_READOBJ_DT_FLAG_ENT(RHF, RLD_ORDER_SAFE)
  };
  
  #undef LLVM_READOBJ_DT_FLAG_ENT
  
  template <typename T, typename TFlag>
  void printFlags(T Value, ArrayRef<EnumEntry<TFlag>> Flags, raw_ostream &OS) {
    using FlagEntry = EnumEntry<TFlag>;
    using FlagVector = SmallVector<FlagEntry, 10>;
    FlagVector SetFlags;
  
    for (const auto &Flag : Flags) {
      if (Flag.Value == 0)
        continue;
  
      if ((Value & Flag.Value) == Flag.Value)
        SetFlags.push_back(Flag);
    }
  
    for (const auto &Flag : SetFlags) {
      OS << Flag.Name << " ";
    }
  }
  
  template <class ELFT>
  StringRef ELFDumper<ELFT>::getDynamicString(uint64_t Value) const {
    if (Value >= DynamicStringTable.size())
      reportError("Invalid dynamic string table reference");
    return StringRef(DynamicStringTable.data() + Value);
  }
  
  static void printLibrary(raw_ostream &OS, const Twine &Tag, const Twine &Name) {
    OS << Tag << ": [" << Name << "]";
  }
  
  template <class ELFT>
  void ELFDumper<ELFT>::printValue(uint64_t Type, uint64_t Value) {
    raw_ostream &OS = W.getOStream();
    const char* ConvChar = (opts::Output == opts::GNU) ? "0x%" PRIx64 : "0x%" PRIX64;
    switch (Type) {
    case DT_PLTREL:
      if (Value == DT_REL) {
        OS << "REL";
        break;
      } else if (Value == DT_RELA) {
        OS << "RELA";
        break;
      }
      LLVM_FALLTHROUGH;
    case DT_PLTGOT:
    case DT_HASH:
    case DT_STRTAB:
    case DT_SYMTAB:
    case DT_RELA:
    case DT_INIT:
    case DT_FINI:
    case DT_REL:
    case DT_JMPREL:
    case DT_INIT_ARRAY:
    case DT_FINI_ARRAY:
    case DT_PREINIT_ARRAY:
    case DT_DEBUG:
    case DT_VERDEF:
    case DT_VERNEED:
    case DT_VERSYM:
    case DT_GNU_HASH:
    case DT_NULL:
    case DT_MIPS_BASE_ADDRESS:
    case DT_MIPS_GOTSYM:
    case DT_MIPS_RLD_MAP:
    case DT_MIPS_RLD_MAP_REL:
    case DT_MIPS_PLTGOT:
    case DT_MIPS_OPTIONS:
      OS << format(ConvChar, Value);
      break;
    case DT_RELACOUNT:
    case DT_RELCOUNT:
    case DT_VERDEFNUM:
    case DT_VERNEEDNUM:
    case DT_MIPS_RLD_VERSION:
    case DT_MIPS_LOCAL_GOTNO:
    case DT_MIPS_SYMTABNO:
    case DT_MIPS_UNREFEXTNO:
      OS << Value;
      break;
    case DT_PLTRELSZ:
    case DT_RELASZ:
    case DT_RELAENT:
    case DT_STRSZ:
    case DT_SYMENT:
    case DT_RELSZ:
    case DT_RELENT:
    case DT_INIT_ARRAYSZ:
    case DT_FINI_ARRAYSZ:
    case DT_PREINIT_ARRAYSZ:
    case DT_ANDROID_RELSZ:
    case DT_ANDROID_RELASZ:
      OS << Value << " (bytes)";
      break;
    case DT_NEEDED:
      printLibrary(OS, "Shared library", getDynamicString(Value));
      break;
    case DT_SONAME:
      printLibrary(OS, "Library soname", getDynamicString(Value));
      break;
    case DT_AUXILIARY:
      printLibrary(OS, "Auxiliary library", getDynamicString(Value));
      break;
    case DT_FILTER:
      printLibrary(OS, "Filter library", getDynamicString(Value));
      break;
    case DT_RPATH:
    case DT_RUNPATH:
      OS << getDynamicString(Value);
      break;
    case DT_MIPS_FLAGS:
      printFlags(Value, makeArrayRef(ElfDynamicDTMipsFlags), OS);
      break;
    case DT_FLAGS:
      printFlags(Value, makeArrayRef(ElfDynamicDTFlags), OS);
      break;
    case DT_FLAGS_1:
      printFlags(Value, makeArrayRef(ElfDynamicDTFlags1), OS);
      break;
    default:
      OS << format(ConvChar, Value);
      break;
    }
  }
  
  template<class ELFT>
  void ELFDumper<ELFT>::printUnwindInfo() {
    const unsigned Machine = ObjF->getELFFile()->getHeader()->e_machine;
    if (Machine == EM_386 || Machine == EM_X86_64) {
      DwarfCFIEH::PrinterContext<ELFT> Ctx(W, ObjF);
      return Ctx.printUnwindInformation();
    }
    W.startLine() << "UnwindInfo not implemented.\n";
  }
  
  namespace {
  
  template <> void ELFDumper<ELF32LE>::printUnwindInfo() {
    const ELFFile<ELF32LE> *Obj = ObjF->getELFFile();
    const unsigned Machine = Obj->getHeader()->e_machine;
    if (Machine == EM_ARM) {
      ARM::EHABI::PrinterContext<ELF32LE> Ctx(W, Obj, DotSymtabSec);
      return Ctx.PrintUnwindInformation();
    }
    W.startLine() << "UnwindInfo not implemented.\n";
  }
  
  } // end anonymous namespace
  
  template<class ELFT>
  void ELFDumper<ELFT>::printDynamicTable() {
    auto I = dynamic_table().begin();
    auto E = dynamic_table().end();
  
    if (I == E)
      return;
  
    --E;
    while (I != E && E->getTag() == ELF::DT_NULL)
      --E;
    if (E->getTag() != ELF::DT_NULL)
      ++E;
    ++E;
  
    ptrdiff_t Total = std::distance(I, E);
    if (Total == 0)
      return;
  
    raw_ostream &OS = W.getOStream();
    W.startLine() << "DynamicSection [ (" << Total << " entries)\n";
  
    bool Is64 = ELFT::Is64Bits;
  
    W.startLine()
       << "  Tag" << (Is64 ? "                " : "        ") << "Type"
       << "                 " << "Name/Value\n";
    while (I != E) {
      const Elf_Dyn &Entry = *I;
      uintX_t Tag = Entry.getTag();
      ++I;
      W.startLine() << "  " << format_hex(Tag, Is64 ? 18 : 10, opts::Output != opts::GNU) << " "
                    << format("%-21s", getTypeString(ObjF->getELFFile()->getHeader()->e_machine, Tag));
      printValue(Tag, Entry.getVal());
      OS << "\n";
    }
  
    W.startLine() << "]\n";
  }
  
  template<class ELFT>
  void ELFDumper<ELFT>::printNeededLibraries() {
    ListScope D(W, "NeededLibraries");
  
    using LibsTy = std::vector<StringRef>;
    LibsTy Libs;
  
    for (const auto &Entry : dynamic_table())
      if (Entry.d_tag == ELF::DT_NEEDED)
        Libs.push_back(getDynamicString(Entry.d_un.d_val));
  
    std::stable_sort(Libs.begin(), Libs.end());
  
    for (const auto &L : Libs)
       W.startLine() << L << "\n";
  }
  
  
  template <typename ELFT>
  void ELFDumper<ELFT>::printHashTable() {
    DictScope D(W, "HashTable");
    if (!HashTable)
      return;
    W.printNumber("Num Buckets", HashTable->nbucket);
    W.printNumber("Num Chains", HashTable->nchain);
    W.printList("Buckets", HashTable->buckets());
    W.printList("Chains", HashTable->chains());
  }
  
  template <typename ELFT>
  void ELFDumper<ELFT>::printGnuHashTable() {
    DictScope D(W, "GnuHashTable");
    if (!GnuHashTable)
      return;
    W.printNumber("Num Buckets", GnuHashTable->nbuckets);
    W.printNumber("First Hashed Symbol Index", GnuHashTable->symndx);
    W.printNumber("Num Mask Words", GnuHashTable->maskwords);
    W.printNumber("Shift Count", GnuHashTable->shift2);
    W.printHexList("Bloom Filter", GnuHashTable->filter());
    W.printList("Buckets", GnuHashTable->buckets());
    Elf_Sym_Range Syms = dynamic_symbols();
    unsigned NumSyms = std::distance(Syms.begin(), Syms.end());
    if (!NumSyms)
      reportError("No dynamic symbol section");
    W.printHexList("Values", GnuHashTable->values(NumSyms));
  }
  
  template <typename ELFT> void ELFDumper<ELFT>::printLoadName() {
    W.printString("LoadName", SOName);
  }
  
  template <class ELFT>
  void ELFDumper<ELFT>::printAttributes() {
    W.startLine() << "Attributes not implemented.\n";
  }
  
  namespace {
  
  template <> void ELFDumper<ELF32LE>::printAttributes() {
    const ELFFile<ELF32LE> *Obj = ObjF->getELFFile();
    if (Obj->getHeader()->e_machine != EM_ARM) {
      W.startLine() << "Attributes not implemented.\n";
      return;
    }
  
    DictScope BA(W, "BuildAttributes");
    for (const ELFO::Elf_Shdr &Sec : unwrapOrError(Obj->sections())) {
      if (Sec.sh_type != ELF::SHT_ARM_ATTRIBUTES)
        continue;
  
      ArrayRef<uint8_t> Contents = unwrapOrError(Obj->getSectionContents(&Sec));
      if (Contents[0] != ARMBuildAttrs::Format_Version) {
        errs() << "unrecognised FormatVersion: 0x"
               << Twine::utohexstr(Contents[0]) << '\n';
        continue;
      }
  
      W.printHex("FormatVersion", Contents[0]);
      if (Contents.size() == 1)
        continue;
  
      ARMAttributeParser(&W).Parse(Contents, true);
    }
  }
  
  template <class ELFT> class MipsGOTParser {
  public:
    TYPEDEF_ELF_TYPES(ELFT)
    using Entry = typename ELFO::Elf_Addr;
    using Entries = ArrayRef<Entry>;
  
    const bool IsStatic;
    const ELFO * const Obj;
  
    MipsGOTParser(const ELFO *Obj, Elf_Dyn_Range DynTable, Elf_Sym_Range DynSyms);
  
    bool hasGot() const { return !GotEntries.empty(); }
    bool hasPlt() const { return !PltEntries.empty(); }
  
    uint64_t getGp() const;
  
    const Entry *getGotLazyResolver() const;
    const Entry *getGotModulePointer() const;
    const Entry *getPltLazyResolver() const;
    const Entry *getPltModulePointer() const;
  
    Entries getLocalEntries() const;
    Entries getGlobalEntries() const;
    Entries getOtherEntries() const;
    Entries getPltEntries() const;
  
    uint64_t getGotAddress(const Entry * E) const;
    int64_t getGotOffset(const Entry * E) const;
    const Elf_Sym *getGotSym(const Entry *E) const;
  
    uint64_t getPltAddress(const Entry * E) const;
    const Elf_Sym *getPltSym(const Entry *E) const;
  
    StringRef getPltStrTable() const { return PltStrTable; }
  
  private:
    const Elf_Shdr *GotSec;
    size_t LocalNum;
    size_t GlobalNum;
  
    const Elf_Shdr *PltSec;
    const Elf_Shdr *PltRelSec;
    const Elf_Shdr *PltSymTable;
    Elf_Sym_Range GotDynSyms;
    StringRef PltStrTable;
  
    Entries GotEntries;
    Entries PltEntries;
  };
  
  } // end anonymous namespace
  
  template <class ELFT>
  MipsGOTParser<ELFT>::MipsGOTParser(const ELFO *Obj, Elf_Dyn_Range DynTable,
                                     Elf_Sym_Range DynSyms)
      : IsStatic(DynTable.empty()), Obj(Obj), GotSec(nullptr), LocalNum(0),
        GlobalNum(0), PltSec(nullptr), PltRelSec(nullptr), PltSymTable(nullptr) {
    // See "Global Offset Table" in Chapter 5 in the following document
    // for detailed GOT description.
    // ftp://www.linux-mips.org/pub/linux/mips/doc/ABI/mipsabi.pdf
  
    // Find static GOT secton.
    if (IsStatic) {
      GotSec = findSectionByName(*Obj, ".got");
      if (!GotSec)
        reportError("Cannot find .got section");
  
      ArrayRef<uint8_t> Content = unwrapOrError(Obj->getSectionContents(GotSec));
      GotEntries = Entries(reinterpret_cast<const Entry *>(Content.data()),
                           Content.size() / sizeof(Entry));
      LocalNum = GotEntries.size();
      return;
    }
  
    // Lookup dynamic table tags which define GOT/PLT layouts.
    Optional<uint64_t> DtPltGot;
    Optional<uint64_t> DtLocalGotNum;
    Optional<uint64_t> DtGotSym;
    Optional<uint64_t> DtMipsPltGot;
    Optional<uint64_t> DtJmpRel;
    for (const auto &Entry : DynTable) {
      switch (Entry.getTag()) {
      case ELF::DT_PLTGOT:
        DtPltGot = Entry.getVal();
        break;
      case ELF::DT_MIPS_LOCAL_GOTNO:
        DtLocalGotNum = Entry.getVal();
        break;
      case ELF::DT_MIPS_GOTSYM:
        DtGotSym = Entry.getVal();
        break;
      case ELF::DT_MIPS_PLTGOT:
        DtMipsPltGot = Entry.getVal();
        break;
      case ELF::DT_JMPREL:
        DtJmpRel = Entry.getVal();
        break;
      }
    }
  
    // Find dynamic GOT section.
    if (DtPltGot || DtLocalGotNum || DtGotSym) {
      if (!DtPltGot)
        report_fatal_error("Cannot find PLTGOT dynamic table tag.");
      if (!DtLocalGotNum)
        report_fatal_error("Cannot find MIPS_LOCAL_GOTNO dynamic table tag.");
      if (!DtGotSym)
        report_fatal_error("Cannot find MIPS_GOTSYM dynamic table tag.");
  
      size_t DynSymTotal = DynSyms.size();
      if (*DtGotSym > DynSymTotal)
        reportError("MIPS_GOTSYM exceeds a number of dynamic symbols");
  
      GotSec = findNotEmptySectionByAddress(Obj, *DtPltGot);
      if (!GotSec)
        reportError("There is no not empty GOT section at 0x" +
                    Twine::utohexstr(*DtPltGot));
  
      LocalNum = *DtLocalGotNum;
      GlobalNum = DynSymTotal - *DtGotSym;
  
      ArrayRef<uint8_t> Content = unwrapOrError(Obj->getSectionContents(GotSec));
      GotEntries = Entries(reinterpret_cast<const Entry *>(Content.data()),
                           Content.size() / sizeof(Entry));
      GotDynSyms = DynSyms.drop_front(*DtGotSym);
    }
  
    // Find PLT section.
    if (DtMipsPltGot || DtJmpRel) {
      if (!DtMipsPltGot)
        report_fatal_error("Cannot find MIPS_PLTGOT dynamic table tag.");
      if (!DtJmpRel)
        report_fatal_error("Cannot find JMPREL dynamic table tag.");
  
      PltSec = findNotEmptySectionByAddress(Obj, *DtMipsPltGot);
      if (!PltSec)
        report_fatal_error("There is no not empty PLTGOT section at 0x " +
                           Twine::utohexstr(*DtMipsPltGot));
  
      PltRelSec = findNotEmptySectionByAddress(Obj, *DtJmpRel);
      if (!PltRelSec)
        report_fatal_error("There is no not empty RELPLT section at 0x" +
                           Twine::utohexstr(*DtJmpRel));
  
      ArrayRef<uint8_t> PltContent =
          unwrapOrError(Obj->getSectionContents(PltSec));
      PltEntries = Entries(reinterpret_cast<const Entry *>(PltContent.data()),
                           PltContent.size() / sizeof(Entry));
  
      PltSymTable = unwrapOrError(Obj->getSection(PltRelSec->sh_link));
      PltStrTable = unwrapOrError(Obj->getStringTableForSymtab(*PltSymTable));
    }
  }
  
  template <class ELFT> uint64_t MipsGOTParser<ELFT>::getGp() const {
    return GotSec->sh_addr + 0x7ff0;
  }
  
  template <class ELFT>
  const typename MipsGOTParser<ELFT>::Entry *
  MipsGOTParser<ELFT>::getGotLazyResolver() const {
    return LocalNum > 0 ? &GotEntries[0] : nullptr;
  }
  
  template <class ELFT>
  const typename MipsGOTParser<ELFT>::Entry *
  MipsGOTParser<ELFT>::getGotModulePointer() const {
    if (LocalNum < 2)
      return nullptr;
    const Entry &E = GotEntries[1];
    if ((E >> (sizeof(Entry) * 8 - 1)) == 0)
      return nullptr;
    return &E;
  }
  
  template <class ELFT>
  typename MipsGOTParser<ELFT>::Entries
  MipsGOTParser<ELFT>::getLocalEntries() const {
    size_t Skip = getGotModulePointer() ? 2 : 1;
    if (LocalNum - Skip <= 0)
      return Entries();
    return GotEntries.slice(Skip, LocalNum - Skip);
  }
  
  template <class ELFT>
  typename MipsGOTParser<ELFT>::Entries
  MipsGOTParser<ELFT>::getGlobalEntries() const {
    if (GlobalNum == 0)
      return Entries();
    return GotEntries.slice(LocalNum, GlobalNum);
  }
  
  template <class ELFT>
  typename MipsGOTParser<ELFT>::Entries
  MipsGOTParser<ELFT>::getOtherEntries() const {
    size_t OtherNum = GotEntries.size() - LocalNum - GlobalNum;
    if (OtherNum == 0)
      return Entries();
    return GotEntries.slice(LocalNum + GlobalNum, OtherNum);
  }
  
  template <class ELFT>
  uint64_t MipsGOTParser<ELFT>::getGotAddress(const Entry *E) const {
    int64_t Offset = std::distance(GotEntries.data(), E) * sizeof(Entry);
    return GotSec->sh_addr + Offset;
  }
  
  template <class ELFT>
  int64_t MipsGOTParser<ELFT>::getGotOffset(const Entry *E) const {
    int64_t Offset = std::distance(GotEntries.data(), E) * sizeof(Entry);
    return Offset - 0x7ff0;
  }
  
  template <class ELFT>
  const typename MipsGOTParser<ELFT>::Elf_Sym *
  MipsGOTParser<ELFT>::getGotSym(const Entry *E) const {
    int64_t Offset = std::distance(GotEntries.data(), E);
    return &GotDynSyms[Offset - LocalNum];
  }
  
  template <class ELFT>
  const typename MipsGOTParser<ELFT>::Entry *
  MipsGOTParser<ELFT>::getPltLazyResolver() const {
    return PltEntries.empty() ? nullptr : &PltEntries[0];
  }
  
  template <class ELFT>
  const typename MipsGOTParser<ELFT>::Entry *
  MipsGOTParser<ELFT>::getPltModulePointer() const {
    return PltEntries.size() < 2 ? nullptr : &PltEntries[1];
  }
  
  template <class ELFT>
  typename MipsGOTParser<ELFT>::Entries
  MipsGOTParser<ELFT>::getPltEntries() const {
    if (PltEntries.size() <= 2)
      return Entries();
    return PltEntries.slice(2, PltEntries.size() - 2);
  }
  
  template <class ELFT>
  uint64_t MipsGOTParser<ELFT>::getPltAddress(const Entry *E) const {
    int64_t Offset = std::distance(PltEntries.data(), E) * sizeof(Entry);
    return PltSec->sh_addr + Offset;
  }
  
  template <class ELFT>
  const typename MipsGOTParser<ELFT>::Elf_Sym *
  MipsGOTParser<ELFT>::getPltSym(const Entry *E) const {
    int64_t Offset = std::distance(getPltEntries().data(), E);
    if (PltRelSec->sh_type == ELF::SHT_REL) {
      Elf_Rel_Range Rels = unwrapOrError(Obj->rels(PltRelSec));
      return unwrapOrError(Obj->getRelocationSymbol(&Rels[Offset], PltSymTable));
    } else {
      Elf_Rela_Range Rels = unwrapOrError(Obj->relas(PltRelSec));
      return unwrapOrError(Obj->getRelocationSymbol(&Rels[Offset], PltSymTable));
    }
  }
  
  template <class ELFT> void ELFDumper<ELFT>::printMipsPLTGOT() {
    const ELFFile<ELFT> *Obj = ObjF->getELFFile();
    if (Obj->getHeader()->e_machine != EM_MIPS)
      reportError("MIPS PLT GOT is available for MIPS targets only");
  
    MipsGOTParser<ELFT> Parser(Obj, dynamic_table(), dynamic_symbols());
    if (Parser.hasGot())
      ELFDumperStyle->printMipsGOT(Parser);
    if (Parser.hasPlt())
      ELFDumperStyle->printMipsPLT(Parser);
  }
  
  static const EnumEntry<unsigned> ElfMipsISAExtType[] = {
    {"None",                    Mips::AFL_EXT_NONE},
    {"Broadcom SB-1",           Mips::AFL_EXT_SB1},
    {"Cavium Networks Octeon",  Mips::AFL_EXT_OCTEON},
    {"Cavium Networks Octeon2", Mips::AFL_EXT_OCTEON2},
    {"Cavium Networks OcteonP", Mips::AFL_EXT_OCTEONP},
    {"Cavium Networks Octeon3", Mips::AFL_EXT_OCTEON3},
    {"LSI R4010",               Mips::AFL_EXT_4010},
    {"Loongson 2E",             Mips::AFL_EXT_LOONGSON_2E},
    {"Loongson 2F",             Mips::AFL_EXT_LOONGSON_2F},
    {"Loongson 3A",             Mips::AFL_EXT_LOONGSON_3A},
    {"MIPS R4650",              Mips::AFL_EXT_4650},
    {"MIPS R5900",              Mips::AFL_EXT_5900},
    {"MIPS R10000",             Mips::AFL_EXT_10000},
    {"NEC VR4100",              Mips::AFL_EXT_4100},
    {"NEC VR4111/VR4181",       Mips::AFL_EXT_4111},
    {"NEC VR4120",              Mips::AFL_EXT_4120},
    {"NEC VR5400",              Mips::AFL_EXT_5400},
    {"NEC VR5500",              Mips::AFL_EXT_5500},
    {"RMI Xlr",                 Mips::AFL_EXT_XLR},
    {"Toshiba R3900",           Mips::AFL_EXT_3900}
  };
  
  static const EnumEntry<unsigned> ElfMipsASEFlags[] = {
    {"DSP",                Mips::AFL_ASE_DSP},
    {"DSPR2",              Mips::AFL_ASE_DSPR2},
    {"Enhanced VA Scheme", Mips::AFL_ASE_EVA},
    {"MCU",                Mips::AFL_ASE_MCU},
    {"MDMX",               Mips::AFL_ASE_MDMX},
    {"MIPS-3D",            Mips::AFL_ASE_MIPS3D},
    {"MT",                 Mips::AFL_ASE_MT},
    {"SmartMIPS",          Mips::AFL_ASE_SMARTMIPS},
    {"VZ",                 Mips::AFL_ASE_VIRT},
    {"MSA",                Mips::AFL_ASE_MSA},
    {"MIPS16",             Mips::AFL_ASE_MIPS16},
    {"microMIPS",          Mips::AFL_ASE_MICROMIPS},
    {"XPA",                Mips::AFL_ASE_XPA},
    {"CRC",                Mips::AFL_ASE_CRC},
    {"GINV",               Mips::AFL_ASE_GINV},
  };
  
  static const EnumEntry<unsigned> ElfMipsFpABIType[] = {
    {"Hard or soft float",                  Mips::Val_GNU_MIPS_ABI_FP_ANY},
    {"Hard float (double precision)",       Mips::Val_GNU_MIPS_ABI_FP_DOUBLE},
    {"Hard float (single precision)",       Mips::Val_GNU_MIPS_ABI_FP_SINGLE},
    {"Soft float",                          Mips::Val_GNU_MIPS_ABI_FP_SOFT},
    {"Hard float (MIPS32r2 64-bit FPU 12 callee-saved)",
     Mips::Val_GNU_MIPS_ABI_FP_OLD_64},
    {"Hard float (32-bit CPU, Any FPU)",    Mips::Val_GNU_MIPS_ABI_FP_XX},
    {"Hard float (32-bit CPU, 64-bit FPU)", Mips::Val_GNU_MIPS_ABI_FP_64},
    {"Hard float compat (32-bit CPU, 64-bit FPU)",
     Mips::Val_GNU_MIPS_ABI_FP_64A}
  };
  
  static const EnumEntry<unsigned> ElfMipsFlags1[] {
    {"ODDSPREG", Mips::AFL_FLAGS1_ODDSPREG},
  };
  
  static int getMipsRegisterSize(uint8_t Flag) {
    switch (Flag) {
    case Mips::AFL_REG_NONE:
      return 0;
    case Mips::AFL_REG_32:
      return 32;
    case Mips::AFL_REG_64:
      return 64;
    case Mips::AFL_REG_128:
      return 128;
    default:
      return -1;
    }
  }
  
  template <class ELFT> void ELFDumper<ELFT>::printMipsABIFlags() {
    const ELFFile<ELFT> *Obj = ObjF->getELFFile();
    const Elf_Shdr *Shdr = findSectionByName(*Obj, ".MIPS.abiflags");
    if (!Shdr) {
      W.startLine() << "There is no .MIPS.abiflags section in the file.\n";
      return;
    }
    ArrayRef<uint8_t> Sec = unwrapOrError(Obj->getSectionContents(Shdr));
    if (Sec.size() != sizeof(Elf_Mips_ABIFlags<ELFT>)) {
      W.startLine() << "The .MIPS.abiflags section has a wrong size.\n";
      return;
    }
  
    auto *Flags = reinterpret_cast<const Elf_Mips_ABIFlags<ELFT> *>(Sec.data());
  
    raw_ostream &OS = W.getOStream();
    DictScope GS(W, "MIPS ABI Flags");
  
    W.printNumber("Version", Flags->version);
    W.startLine() << "ISA: ";
    if (Flags->isa_rev <= 1)
      OS << format("MIPS%u", Flags->isa_level);
    else
      OS << format("MIPS%ur%u", Flags->isa_level, Flags->isa_rev);
    OS << "\n";
    W.printEnum("ISA Extension", Flags->isa_ext, makeArrayRef(ElfMipsISAExtType));
    W.printFlags("ASEs", Flags->ases, makeArrayRef(ElfMipsASEFlags));
    W.printEnum("FP ABI", Flags->fp_abi, makeArrayRef(ElfMipsFpABIType));
    W.printNumber("GPR size", getMipsRegisterSize(Flags->gpr_size));
    W.printNumber("CPR1 size", getMipsRegisterSize(Flags->cpr1_size));
    W.printNumber("CPR2 size", getMipsRegisterSize(Flags->cpr2_size));
    W.printFlags("Flags 1", Flags->flags1, makeArrayRef(ElfMipsFlags1));
    W.printHex("Flags 2", Flags->flags2);
  }
  
  template <class ELFT>
  static void printMipsReginfoData(ScopedPrinter &W,
                                   const Elf_Mips_RegInfo<ELFT> &Reginfo) {
    W.printHex("GP", Reginfo.ri_gp_value);
    W.printHex("General Mask", Reginfo.ri_gprmask);
    W.printHex("Co-Proc Mask0", Reginfo.ri_cprmask[0]);
    W.printHex("Co-Proc Mask1", Reginfo.ri_cprmask[1]);
    W.printHex("Co-Proc Mask2", Reginfo.ri_cprmask[2]);
    W.printHex("Co-Proc Mask3", Reginfo.ri_cprmask[3]);
  }
  
  template <class ELFT> void ELFDumper<ELFT>::printMipsReginfo() {
    const ELFFile<ELFT> *Obj = ObjF->getELFFile();
    const Elf_Shdr *Shdr = findSectionByName(*Obj, ".reginfo");
    if (!Shdr) {
      W.startLine() << "There is no .reginfo section in the file.\n";
      return;
    }
    ArrayRef<uint8_t> Sec = unwrapOrError(Obj->getSectionContents(Shdr));
    if (Sec.size() != sizeof(Elf_Mips_RegInfo<ELFT>)) {
      W.startLine() << "The .reginfo section has a wrong size.\n";
      return;
    }
  
    DictScope GS(W, "MIPS RegInfo");
    auto *Reginfo = reinterpret_cast<const Elf_Mips_RegInfo<ELFT> *>(Sec.data());
    printMipsReginfoData(W, *Reginfo);
  }
  
  template <class ELFT> void ELFDumper<ELFT>::printMipsOptions() {
    const ELFFile<ELFT> *Obj = ObjF->getELFFile();
    const Elf_Shdr *Shdr = findSectionByName(*Obj, ".MIPS.options");
    if (!Shdr) {
      W.startLine() << "There is no .MIPS.options section in the file.\n";
      return;
    }
  
    DictScope GS(W, "MIPS Options");
  
    ArrayRef<uint8_t> Sec = unwrapOrError(Obj->getSectionContents(Shdr));
    while (!Sec.empty()) {
      if (Sec.size() < sizeof(Elf_Mips_Options<ELFT>)) {
        W.startLine() << "The .MIPS.options section has a wrong size.\n";
        return;
      }
      auto *O = reinterpret_cast<const Elf_Mips_Options<ELFT> *>(Sec.data());
      DictScope GS(W, getElfMipsOptionsOdkType(O->kind));
      switch (O->kind) {
      case ODK_REGINFO:
        printMipsReginfoData(W, O->getRegInfo());
        break;
      default:
        W.startLine() << "Unsupported MIPS options tag.\n";
        break;
      }
      Sec = Sec.slice(O->size);
    }
  }
  
  template <class ELFT> void ELFDumper<ELFT>::printStackMap() const {
    const ELFFile<ELFT> *Obj = ObjF->getELFFile();
    const Elf_Shdr *StackMapSection = nullptr;
    for (const auto &Sec : unwrapOrError(Obj->sections())) {
      StringRef Name = unwrapOrError(Obj->getSectionName(&Sec));
      if (Name == ".llvm_stackmaps") {
        StackMapSection = &Sec;
        break;
      }
    }
  
    if (!StackMapSection)
      return;
  
    ArrayRef<uint8_t> StackMapContentsArray =
        unwrapOrError(Obj->getSectionContents(StackMapSection));
  
    prettyPrintStackMap(
        W, StackMapV2Parser<ELFT::TargetEndianness>(StackMapContentsArray));
  }
  
  template <class ELFT> void ELFDumper<ELFT>::printGroupSections() {
    ELFDumperStyle->printGroupSections(ObjF->getELFFile());
  }
  
  template <class ELFT> void ELFDumper<ELFT>::printAddrsig() {
    ELFDumperStyle->printAddrsig(ObjF->getELFFile());
  }
  
  static inline void printFields(formatted_raw_ostream &OS, StringRef Str1,
                                 StringRef Str2) {
    OS.PadToColumn(2u);
    OS << Str1;
    OS.PadToColumn(37u);
    OS << Str2 << "\n";
    OS.flush();
  }
  
  template <class ELFT>
  static std::string getSectionHeadersNumString(const ELFFile<ELFT> *Obj) {
    const typename ELFT::Ehdr *ElfHeader = Obj->getHeader();
    if (ElfHeader->e_shnum != 0)
      return to_string(ElfHeader->e_shnum);
  
    ArrayRef<typename ELFT::Shdr> Arr = unwrapOrError(Obj->sections());
    if (Arr.empty())
      return "0";
    return "0 (" + to_string(Arr[0].sh_size) + ")";
  }
  
  template <class ELFT>
  static std::string getSectionHeaderTableIndexString(const ELFFile<ELFT> *Obj) {
    const typename ELFT::Ehdr *ElfHeader = Obj->getHeader();
    if (ElfHeader->e_shstrndx != SHN_XINDEX)
      return to_string(ElfHeader->e_shstrndx);
  
    ArrayRef<typename ELFT::Shdr> Arr = unwrapOrError(Obj->sections());
    if (Arr.empty())
      return "65535 (corrupt: out of range)";
    return to_string(ElfHeader->e_shstrndx) + " (" + to_string(Arr[0].sh_link) + ")";
  }
  
  template <class ELFT> void GNUStyle<ELFT>::printFileHeaders(const ELFO *Obj) {
    const Elf_Ehdr *e = Obj->getHeader();
    OS << "ELF Header:\n";
    OS << "  Magic:  ";
    std::string Str;
    for (int i = 0; i < ELF::EI_NIDENT; i++)
      OS << format(" %02x", static_cast<int>(e->e_ident[i]));
    OS << "\n";
    Str = printEnum(e->e_ident[ELF::EI_CLASS], makeArrayRef(ElfClass));
    printFields(OS, "Class:", Str);
    Str = printEnum(e->e_ident[ELF::EI_DATA], makeArrayRef(ElfDataEncoding));
    printFields(OS, "Data:", Str);
    OS.PadToColumn(2u);
    OS << "Version:";
    OS.PadToColumn(37u);
    OS << to_hexString(e->e_ident[ELF::EI_VERSION]);
    if (e->e_version == ELF::EV_CURRENT)
      OS << " (current)";
    OS << "\n";
    Str = printEnum(e->e_ident[ELF::EI_OSABI], makeArrayRef(ElfOSABI));
    printFields(OS, "OS/ABI:", Str);
    Str = "0x" + to_hexString(e->e_ident[ELF::EI_ABIVERSION]);
    printFields(OS, "ABI Version:", Str);
    Str = printEnum(e->e_type, makeArrayRef(ElfObjectFileType));
    printFields(OS, "Type:", Str);
    Str = printEnum(e->e_machine, makeArrayRef(ElfMachineType));
    printFields(OS, "Machine:", Str);
    Str = "0x" + to_hexString(e->e_version);
    printFields(OS, "Version:", Str);
    Str = "0x" + to_hexString(e->e_entry);
    printFields(OS, "Entry point address:", Str);
    Str = to_string(e->e_phoff) + " (bytes into file)";
    printFields(OS, "Start of program headers:", Str);
    Str = to_string(e->e_shoff) + " (bytes into file)";
    printFields(OS, "Start of section headers:", Str);
    std::string ElfFlags;
    if (e->e_machine == EM_MIPS)
      ElfFlags =
          printFlags(e->e_flags, makeArrayRef(ElfHeaderMipsFlags),
                     unsigned(ELF::EF_MIPS_ARCH), unsigned(ELF::EF_MIPS_ABI),
                     unsigned(ELF::EF_MIPS_MACH));
    else if (e->e_machine == EM_RISCV)
      ElfFlags = printFlags(e->e_flags, makeArrayRef(ElfHeaderRISCVFlags));
    Str = "0x" + to_hexString(e->e_flags);
    if (!ElfFlags.empty())
      Str = Str + ", " + ElfFlags;
    printFields(OS, "Flags:", Str);
    Str = to_string(e->e_ehsize) + " (bytes)";
    printFields(OS, "Size of this header:", Str);
    Str = to_string(e->e_phentsize) + " (bytes)";
    printFields(OS, "Size of program headers:", Str);
    Str = to_string(e->e_phnum);
    printFields(OS, "Number of program headers:", Str);
    Str = to_string(e->e_shentsize) + " (bytes)";
    printFields(OS, "Size of section headers:", Str);
    Str = getSectionHeadersNumString(Obj);
    printFields(OS, "Number of section headers:", Str);
    Str = getSectionHeaderTableIndexString(Obj);
    printFields(OS, "Section header string table index:", Str);
  }
  
  namespace {
  struct GroupMember {
    StringRef Name;
    uint64_t Index;
  };
  
  struct GroupSection {
    StringRef Name;
    StringRef Signature;
    uint64_t ShName;
    uint64_t Index;
    uint32_t Link;
    uint32_t Info;
    uint32_t Type;
    std::vector<GroupMember> Members;
  };
  
  template <class ELFT>
  std::vector<GroupSection> getGroups(const ELFFile<ELFT> *Obj) {
    using Elf_Shdr = typename ELFT::Shdr;
    using Elf_Sym = typename ELFT::Sym;
    using Elf_Word = typename ELFT::Word;
  
    std::vector<GroupSection> Ret;
    uint64_t I = 0;
    for (const Elf_Shdr &Sec : unwrapOrError(Obj->sections())) {
      ++I;
      if (Sec.sh_type != ELF::SHT_GROUP)
        continue;
  
      const Elf_Shdr *Symtab = unwrapOrError(Obj->getSection(Sec.sh_link));
      StringRef StrTable = unwrapOrError(Obj->getStringTableForSymtab(*Symtab));
      const Elf_Sym *Sym =
          unwrapOrError(Obj->template getEntry<Elf_Sym>(Symtab, Sec.sh_info));
      auto Data =
          unwrapOrError(Obj->template getSectionContentsAsArray<Elf_Word>(&Sec));
  
      StringRef Name = unwrapOrError(Obj->getSectionName(&Sec));
      StringRef Signature = StrTable.data() + Sym->st_name;
      Ret.push_back({Name, 
                     Signature, 
                     Sec.sh_name, 
                     I - 1,
                     Sec.sh_link,
                     Sec.sh_info,
                     Data[0], 
                     {}});
  
      std::vector<GroupMember> &GM = Ret.back().Members;
      for (uint32_t Ndx : Data.slice(1)) {
        auto Sec = unwrapOrError(Obj->getSection(Ndx));
        const StringRef Name = unwrapOrError(Obj->getSectionName(Sec));
        GM.push_back({Name, Ndx});
      }
    }
    return Ret;
  }
  
  DenseMap<uint64_t, const GroupSection *>
  mapSectionsToGroups(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;
  }
  
  } // namespace
  
  template <class ELFT> void GNUStyle<ELFT>::printGroupSections(const ELFO *Obj) {
    std::vector<GroupSection> V = getGroups<ELFT>(Obj);
    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) {
          OS.flush();
          errs() << "Error: section [" << format_decimal(GM.Index, 5)
                 << "] in group section [" << format_decimal(G.Index, 5)
                 << "] already in group section ["
                 << format_decimal(MainGroup->Index, 5) << "]";
          errs().flush();
          continue;
        }
        OS << "   [" << format_decimal(GM.Index, 5) << "]   " << GM.Name << "\n";
      }
    }
  
    if (V.empty())
      OS << "There are no section groups in this file.\n";
  }
  
  template <class ELFT>
  void GNUStyle<ELFT>::printRelocation(const ELFO *Obj, const Elf_Shdr *SymTab,
                                       const Elf_Rela &R, bool IsRela) {
    std::string Offset, Info, Addend, Value;
    SmallString<32> RelocName;
    StringRef TargetName;
    const Elf_Sym *Sym = nullptr;
    unsigned Width = ELFT::Is64Bits ? 16 : 8;
    unsigned Bias = ELFT::Is64Bits ? 8 : 0;
  
    // First two fields are bit width dependent. The rest of them are after are
    // fixed width.
    Field Fields[5] = {0, 10 + Bias, 19 + 2 * Bias, 42 + 2 * Bias, 53 + 2 * Bias};
    Obj->getRelocationTypeName(R.getType(Obj->isMips64EL()), RelocName);
    Sym = unwrapOrError(Obj->getRelocationSymbol(&R, SymTab));
    if (Sym && Sym->getType() == ELF::STT_SECTION) {
      const Elf_Shdr *Sec = unwrapOrError(
          Obj->getSection(Sym, SymTab, this->dumper()->getShndxTable()));
      TargetName = unwrapOrError(Obj->getSectionName(Sec));
    } else if (Sym) {
      StringRef StrTable = unwrapOrError(Obj->getStringTableForSymtab(*SymTab));
      TargetName = unwrapOrError(Sym->getName(StrTable));
    }
  
    if (Sym && IsRela) {
      if (R.r_addend < 0)
        Addend = " - ";
      else
        Addend = " + ";
    }
  
    Offset = to_string(format_hex_no_prefix(R.r_offset, Width));
    Info = to_string(format_hex_no_prefix(R.r_info, Width));
  
    int64_t RelAddend = R.r_addend;
    if (IsRela)
      Addend += to_hexString(std::abs(RelAddend), false);
  
    if (Sym)
      Value = to_string(format_hex_no_prefix(Sym->getValue(), Width));
  
    Fields[0].Str = Offset;
    Fields[1].Str = Info;
    Fields[2].Str = RelocName;
    Fields[3].Str = Value;
    Fields[4].Str = TargetName;
    for (auto &field : Fields)
      printField(field);
    OS << Addend;
    OS << "\n";
  }
  
  template <class ELFT> void GNUStyle<ELFT>::printRelocHeader(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";
  }
  
  template <class ELFT> void GNUStyle<ELFT>::printRelocations(const ELFO *Obj) {
    bool HasRelocSections = false;
    for (const Elf_Shdr &Sec : unwrapOrError(Obj->sections())) {
      if (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)
        continue;
      HasRelocSections = true;
      StringRef Name = unwrapOrError(Obj->getSectionName(&Sec));
      unsigned Entries = Sec.getEntityCount();
      std::vector<Elf_Rela> AndroidRelas;
      if (Sec.sh_type == ELF::SHT_ANDROID_REL ||
          Sec.sh_type == ELF::SHT_ANDROID_RELA) {
        // Android's packed relocation section needs to be unpacked first
        // to get the actual number of entries.
        AndroidRelas = unwrapOrError(Obj->android_relas(&Sec));
        Entries = AndroidRelas.size();
      }
      std::vector<Elf_Rela> RelrRelas;
      if (!opts::RawRelr && (Sec.sh_type == ELF::SHT_RELR ||
                             Sec.sh_type == ELF::SHT_ANDROID_RELR)) {
        // .relr.dyn relative relocation section needs to be unpacked first
        // to get the actual number of entries.
        Elf_Relr_Range Relrs = unwrapOrError(Obj->relrs(&Sec));
        RelrRelas = unwrapOrError(Obj->decode_relrs(Relrs));
        Entries = RelrRelas.size();
      }
      uintX_t Offset = Sec.sh_offset;
      OS << "\nRelocation section '" << Name << "' at offset 0x"
         << to_hexString(Offset, false) << " contains " << Entries
         << " entries:\n";
      printRelocHeader(Sec.sh_type);
      const Elf_Shdr *SymTab = unwrapOrError(Obj->getSection(Sec.sh_link));
      switch (Sec.sh_type) {
      case ELF::SHT_REL:
        for (const auto &R : unwrapOrError(Obj->rels(&Sec))) {
          Elf_Rela Rela;
          Rela.r_offset = R.r_offset;
          Rela.r_info = R.r_info;
          Rela.r_addend = 0;
          printRelocation(Obj, SymTab, Rela, false);
        }
        break;
      case ELF::SHT_RELA:
        for (const auto &R : unwrapOrError(Obj->relas(&Sec)))
          printRelocation(Obj, SymTab, R, true);
        break;
      case ELF::SHT_RELR:
      case ELF::SHT_ANDROID_RELR:
        if (opts::RawRelr)
          for (const auto &R : unwrapOrError(Obj->relrs(&Sec)))
            OS << to_string(format_hex_no_prefix(R, ELFT::Is64Bits ? 16 : 8))
               << "\n";
        else
          for (const auto &R : RelrRelas)
            printRelocation(Obj, SymTab, R, false);
        break;
      case ELF::SHT_ANDROID_REL:
      case ELF::SHT_ANDROID_RELA:
        for (const auto &R : AndroidRelas)
          printRelocation(Obj, SymTab, R, Sec.sh_type == ELF::SHT_ANDROID_RELA);
        break;
      }
    }
    if (!HasRelocSections)
      OS << "\nThere are no relocations in this file.\n";
  }
  
  std::string getSectionTypeString(unsigned Arch, unsigned Type) {
    using namespace ELF;
  
    switch (Arch) {
    case EM_ARM:
      switch (Type) {
      case SHT_ARM_EXIDX:
        return "ARM_EXIDX";
      case SHT_ARM_PREEMPTMAP:
        return "ARM_PREEMPTMAP";
      case SHT_ARM_ATTRIBUTES:
        return "ARM_ATTRIBUTES";
      case SHT_ARM_DEBUGOVERLAY:
        return "ARM_DEBUGOVERLAY";
      case SHT_ARM_OVERLAYSECTION:
        return "ARM_OVERLAYSECTION";
      }
      break;
    case EM_X86_64:
      switch (Type) {
      case SHT_X86_64_UNWIND:
        return "X86_64_UNWIND";
      }
      break;
    case EM_MIPS:
    case EM_MIPS_RS3_LE:
      switch (Type) {
      case SHT_MIPS_REGINFO:
        return "MIPS_REGINFO";
      case SHT_MIPS_OPTIONS:
        return "MIPS_OPTIONS";
      case SHT_MIPS_ABIFLAGS:
        return "MIPS_ABIFLAGS";
      case SHT_MIPS_DWARF:
        return "SHT_MIPS_DWARF";
      }
      break;
    }
    switch (Type) {
    case SHT_NULL:
      return "NULL";
    case SHT_PROGBITS:
      return "PROGBITS";
    case SHT_SYMTAB:
      return "SYMTAB";
    case SHT_STRTAB:
      return "STRTAB";
    case SHT_RELA:
      return "RELA";
    case SHT_HASH:
      return "HASH";
    case SHT_DYNAMIC:
      return "DYNAMIC";
    case SHT_NOTE:
      return "NOTE";
    case SHT_NOBITS:
      return "NOBITS";
    case SHT_REL:
      return "REL";
    case SHT_SHLIB:
      return "SHLIB";
    case SHT_DYNSYM:
      return "DYNSYM";
    case SHT_INIT_ARRAY:
      return "INIT_ARRAY";
    case SHT_FINI_ARRAY:
      return "FINI_ARRAY";
    case SHT_PREINIT_ARRAY:
      return "PREINIT_ARRAY";
    case SHT_GROUP:
      return "GROUP";
    case SHT_SYMTAB_SHNDX:
      return "SYMTAB SECTION INDICES";
    case SHT_RELR:
    case SHT_ANDROID_RELR:
      return "RELR";
    case SHT_LLVM_ODRTAB:
      return "LLVM_ODRTAB";
    case SHT_LLVM_LINKER_OPTIONS:
      return "LLVM_LINKER_OPTIONS";
    case SHT_LLVM_CALL_GRAPH_PROFILE:
      return "LLVM_CALL_GRAPH_PROFILE";
    case SHT_LLVM_ADDRSIG:
      return "LLVM_ADDRSIG";
    // FIXME: Parse processor specific GNU attributes
    case SHT_GNU_ATTRIBUTES:
      return "ATTRIBUTES";
    case SHT_GNU_HASH:
      return "GNU_HASH";
    case SHT_GNU_verdef:
      return "VERDEF";
    case SHT_GNU_verneed:
      return "VERNEED";
    case SHT_GNU_versym:
      return "VERSYM";
    default:
      return "";
    }
    return "";
  }
  
  template <class ELFT>
  void GNUStyle<ELFT>::printSectionHeaders(const ELFO *Obj) {
    size_t SectionIndex = 0;
    std::string Number, Type, Size, Address, Offset, Flags, Link, Info, EntrySize,
        Alignment;
    unsigned Bias;
    unsigned Width;
  
    if (ELFT::Is64Bits) {
      Bias = 0;
      Width = 16;
    } else {
      Bias = 8;
      Width = 8;
    }
  
    ArrayRef<Elf_Shdr> Sections = unwrapOrError(Obj->sections());
    OS << "There are " << to_string(Sections.size())
       << " section headers, starting at offset "
       << "0x" << to_hexString(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 (auto &f : Fields)
      printField(f);
    OS << "\n";
  
    for (const Elf_Shdr &Sec : Sections) {
      Number = to_string(SectionIndex);
      Fields[0].Str = Number;
      Fields[1].Str = unwrapOrError(Obj->getSectionName(&Sec));
      Type = getSectionTypeString(Obj->getHeader()->e_machine, Sec.sh_type);
      Fields[2].Str = Type;
      Address = to_string(format_hex_no_prefix(Sec.sh_addr, Width));
      Fields[3].Str = Address;
      Offset = to_string(format_hex_no_prefix(Sec.sh_offset, 6));
      Fields[4].Str = Offset;
      Size = to_string(format_hex_no_prefix(Sec.sh_size, 6));
      Fields[5].Str = Size;
      EntrySize = to_string(format_hex_no_prefix(Sec.sh_entsize, 2));
      Fields[6].Str = EntrySize;
      Flags = getGNUFlags(Sec.sh_flags);
      Fields[7].Str = Flags;
      Link = to_string(Sec.sh_link);
      Fields[8].Str = Link;
      Info = to_string(Sec.sh_info);
      Fields[9].Str = Info;
      Alignment = to_string(Sec.sh_addralign);
      Fields[10].Str = Alignment;
      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;
    }
    OS << "Key to Flags:\n"
       << "  W (write), A (alloc), X (execute), M (merge), S (strings), l "
          "(large)\n"
       << "  I (info), L (link order), G (group), T (TLS), E (exclude),\
   x (unknown)\n"
       << "  O (extra OS processing required) o (OS specific),\
   p (processor specific)\n";
  }
  
  template <class ELFT>
  void GNUStyle<ELFT>::printSymtabMessage(const ELFO *Obj, StringRef Name,
                                          size_t Entries) {
    if (!Name.empty())
      OS << "\nSymbol table '" << Name << "' contains " << Entries
         << " entries:\n";
    else
      OS << "\n Symbol table for image:\n";
  
    if (ELFT::Is64Bits)
      OS << "   Num:    Value          Size Type    Bind   Vis      Ndx Name\n";
    else
      OS << "   Num:    Value  Size Type    Bind   Vis      Ndx Name\n";
  }
  
  template <class ELFT>
  std::string GNUStyle<ELFT>::getSymbolSectionNdx(const ELFO *Obj,
                                                  const Elf_Sym *Symbol,
                                                  const Elf_Sym *FirstSym) {
    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:
      SectionIndex = unwrapOrError(object::getExtendedSymbolTableIndex<ELFT>(
          Symbol, FirstSym, this->dumper()->getShndxTable()));
      LLVM_FALLTHROUGH;
    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));
    }
  }
  
  template <class ELFT>
  void GNUStyle<ELFT>::printSymbol(const ELFO *Obj, const Elf_Sym *Symbol,
                                   const Elf_Sym *FirstSym, StringRef StrTable,
                                   bool IsDynamic) {
    static int Idx = 0;
    static bool Dynamic = true;
    size_t Width;
  
    // If this function was called with a different value from IsDynamic
    // from last call, happens when we move from dynamic to static symbol
    // table, "Num" field should be reset.
    if (!Dynamic != !IsDynamic) {
      Idx = 0;
      Dynamic = false;
    }
    std::string Num, Name, Value, Size, Binding, Type, Visibility, Section;
    unsigned Bias = 0;
    if (ELFT::Is64Bits) {
      Bias = 8;
      Width = 16;
    } else {
      Bias = 0;
      Width = 8;
    }
    Field Fields[8] = {0,         8,         17 + Bias, 23 + Bias,
                       31 + Bias, 38 + Bias, 47 + Bias, 51 + Bias};
    Num = to_string(format_decimal(Idx++, 6)) + ":";
    Value = to_string(format_hex_no_prefix(Symbol->st_value, Width));
    Size = to_string(format_decimal(Symbol->st_size, 5));
    unsigned char SymbolType = Symbol->getType();
    if (Obj->getHeader()->e_machine == ELF::EM_AMDGPU &&
        SymbolType >= ELF::STT_LOOS && SymbolType < ELF::STT_HIOS)
      Type = printEnum(SymbolType, makeArrayRef(AMDGPUSymbolTypes));
    else
      Type = printEnum(SymbolType, makeArrayRef(ElfSymbolTypes));
    unsigned Vis = Symbol->getVisibility();
    Binding = printEnum(Symbol->getBinding(), makeArrayRef(ElfSymbolBindings));
    Visibility = printEnum(Vis, makeArrayRef(ElfSymbolVisibilities));
    Section = getSymbolSectionNdx(Obj, Symbol, FirstSym);
    Name = this->dumper()->getFullSymbolName(Symbol, StrTable, IsDynamic);
    Fields[0].Str = Num;
    Fields[1].Str = Value;
    Fields[2].Str = Size;
    Fields[3].Str = Type;
    Fields[4].Str = Binding;
    Fields[5].Str = Visibility;
    Fields[6].Str = Section;
    Fields[7].Str = Name;
    for (auto &Entry : Fields)
      printField(Entry);
    OS << "\n";
  }
  template <class ELFT>
  void GNUStyle<ELFT>::printHashedSymbol(const ELFO *Obj, const Elf_Sym *FirstSym,
                                         uint32_t Sym, StringRef StrTable,
                                         uint32_t Bucket) {
    std::string Num, Buc, Name, Value, Size, Binding, Type, Visibility, Section;
    unsigned Width, Bias = 0;
    if (ELFT::Is64Bits) {
      Bias = 8;
      Width = 16;
    } else {
      Bias = 0;
      Width = 8;
    }
    Field Fields[9] = {0,         6,         11,        20 + Bias, 25 + Bias,
                       34 + Bias, 41 + Bias, 49 + Bias, 53 + Bias};
    Num = to_string(format_decimal(Sym, 5));
    Buc = to_string(format_decimal(Bucket, 3)) + ":";
  
    const auto Symbol = FirstSym + Sym;
    Value = to_string(format_hex_no_prefix(Symbol->st_value, Width));
    Size = to_string(format_decimal(Symbol->st_size, 5));
    unsigned char SymbolType = Symbol->getType();
    if (Obj->getHeader()->e_machine == ELF::EM_AMDGPU &&
        SymbolType >= ELF::STT_LOOS && SymbolType < ELF::STT_HIOS)
      Type = printEnum(SymbolType, makeArrayRef(AMDGPUSymbolTypes));
    else
      Type = printEnum(SymbolType, makeArrayRef(ElfSymbolTypes));
    unsigned Vis = Symbol->getVisibility();
    Binding = printEnum(Symbol->getBinding(), makeArrayRef(ElfSymbolBindings));
    Visibility = printEnum(Vis, makeArrayRef(ElfSymbolVisibilities));
    Section = getSymbolSectionNdx(Obj, Symbol, FirstSym);
    Name = this->dumper()->getFullSymbolName(Symbol, StrTable, true);
    Fields[0].Str = Num;
    Fields[1].Str = Buc;
    Fields[2].Str = Value;
    Fields[3].Str = Size;
    Fields[4].Str = Type;
    Fields[5].Str = Binding;
    Fields[6].Str = Visibility;
    Fields[7].Str = Section;
    Fields[8].Str = Name;
    for (auto &Entry : Fields)
      printField(Entry);
    OS << "\n";
  }
  
  template <class ELFT> void GNUStyle<ELFT>::printSymbols(const ELFO *Obj) {
    if (opts::DynamicSymbols)
      return;
    this->dumper()->printSymbolsHelper(true);
    this->dumper()->printSymbolsHelper(false);
  }
  
  template <class ELFT>
  void GNUStyle<ELFT>::printDynamicSymbols(const ELFO *Obj) {
    if (this->dumper()->getDynamicStringTable().empty())
      return;
    auto StringTable = this->dumper()->getDynamicStringTable();
    auto DynSyms = this->dumper()->dynamic_symbols();
    auto GnuHash = this->dumper()->getGnuHashTable();
    auto SysVHash = this->dumper()->getHashTable();
  
    // If no hash or .gnu.hash found, try using symbol table
    if (GnuHash == nullptr && SysVHash == nullptr)
      this->dumper()->printSymbolsHelper(true);
  
    // Try printing .hash
    if (this->dumper()->getHashTable()) {
      OS << "\n Symbol table of .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";
  
      uint32_t NBuckets = SysVHash->nbucket;
      uint32_t NChains = SysVHash->nchain;
      auto Buckets = SysVHash->buckets();
      auto Chains = SysVHash->chains();
      for (uint32_t Buc = 0; Buc < NBuckets; Buc++) {
        if (Buckets[Buc] == ELF::STN_UNDEF)
          continue;
        for (uint32_t Ch = Buckets[Buc]; Ch < NChains; Ch = Chains[Ch]) {
          if (Ch == ELF::STN_UNDEF)
            break;
          printHashedSymbol(Obj, &DynSyms[0], Ch, StringTable, Buc);
        }
      }
    }
  
    // Try printing .gnu.hash
    if (GnuHash) {
      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";
      uint32_t NBuckets = GnuHash->nbuckets;
      auto Buckets = GnuHash->buckets();
      for (uint32_t Buc = 0; Buc < NBuckets; Buc++) {
        if (Buckets[Buc] == ELF::STN_UNDEF)
          continue;
        uint32_t Index = Buckets[Buc];
        uint32_t GnuHashable = Index - GnuHash->symndx;
        // Print whole chain
        while (true) {
          printHashedSymbol(Obj, &DynSyms[0], Index++, StringTable, Buc);
          // Chain ends at symbol with stopper bit
          if ((GnuHash->values(DynSyms.size())[GnuHashable++] & 1) == 1)
            break;
        }
      }
    }
  }
  
  static 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;
  }
  
  // SHF_TLS sections are only in PT_TLS, PT_LOAD or PT_GNU_RELRO
  // PT_TLS must only have SHF_TLS sections
  template <class ELFT>
  bool GNUStyle<ELFT>::checkTLSSections(const Elf_Phdr &Phdr,
                                        const Elf_Shdr &Sec) {
    return (((Sec.sh_flags & ELF::SHF_TLS) &&
             ((Phdr.p_type == ELF::PT_TLS) || (Phdr.p_type == ELF::PT_LOAD) ||
              (Phdr.p_type == ELF::PT_GNU_RELRO))) ||
            (!(Sec.sh_flags & ELF::SHF_TLS) && Phdr.p_type != ELF::PT_TLS));
  }
  
  // Non-SHT_NOBITS must have its offset inside the segment
  // Only non-zero section can be at end of segment
  template <class ELFT>
  bool GNUStyle<ELFT>::checkoffsets(const Elf_Phdr &Phdr, const Elf_Shdr &Sec) {
    if (Sec.sh_type == ELF::SHT_NOBITS)
      return true;
    bool IsSpecial =
        (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
    auto SectionSize =
        (IsSpecial && Phdr.p_type != ELF::PT_TLS) ? 0 : Sec.sh_size;
    if (Sec.sh_offset >= Phdr.p_offset)
      return ((Sec.sh_offset + SectionSize <= Phdr.p_filesz + Phdr.p_offset)
              /*only non-zero sized sections at end*/ &&
              (Sec.sh_offset + 1 <= Phdr.p_offset + Phdr.p_filesz));
    return false;
  }
  
  // SHF_ALLOC must have VMA inside segment
  // Only non-zero section can be at end of segment
  template <class ELFT>
  bool GNUStyle<ELFT>::checkVMA(const Elf_Phdr &Phdr, const Elf_Shdr &Sec) {
    if (!(Sec.sh_flags & ELF::SHF_ALLOC))
      return true;
    bool IsSpecial =
        (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
    auto SectionSize =
        (IsSpecial && Phdr.p_type != ELF::PT_TLS) ? 0 : Sec.sh_size;
    if (Sec.sh_addr >= Phdr.p_vaddr)
      return ((Sec.sh_addr + SectionSize <= Phdr.p_vaddr + Phdr.p_memsz) &&
              (Sec.sh_addr + 1 <= Phdr.p_vaddr + Phdr.p_memsz));
    return false;
  }
  
  // No section with zero size must be at start or end of PT_DYNAMIC
  template <class ELFT>
  bool GNUStyle<ELFT>::checkPTDynamic(const Elf_Phdr &Phdr, const Elf_Shdr &Sec) {
    if (Phdr.p_type != ELF::PT_DYNAMIC || Sec.sh_size != 0 || Phdr.p_memsz == 0)
      return true;
    // Is section within the phdr both based on offset and VMA ?
    return ((Sec.sh_type == ELF::SHT_NOBITS) ||
            (Sec.sh_offset > Phdr.p_offset &&
             Sec.sh_offset < Phdr.p_offset + Phdr.p_filesz)) &&
           (!(Sec.sh_flags & ELF::SHF_ALLOC) ||
            (Sec.sh_addr > Phdr.p_vaddr && Sec.sh_addr < Phdr.p_memsz));
  }
  
  template <class ELFT>
  void GNUStyle<ELFT>::printProgramHeaders(const ELFO *Obj) {
    unsigned Bias = ELFT::Is64Bits ? 8 : 0;
    unsigned Width = ELFT::Is64Bits ? 18 : 10;
    unsigned SizeWidth = ELFT::Is64Bits ? 8 : 7;
    std::string Type, Offset, VMA, LMA, FileSz, MemSz, Flag, Align;
  
    const Elf_Ehdr *Header = Obj->getHeader();
    Field Fields[8] = {2,         17,        26,        37 + Bias,
                       48 + Bias, 56 + Bias, 64 + Bias, 68 + Bias};
    OS << "\nElf file type is "
       << printEnum(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";
    for (const auto &Phdr : unwrapOrError(Obj->program_headers())) {
      Type = getElfPtType(Header->e_machine, Phdr.p_type);
      Offset = to_string(format_hex(Phdr.p_offset, 8));
      VMA = to_string(format_hex(Phdr.p_vaddr, Width));
      LMA = to_string(format_hex(Phdr.p_paddr, Width));
      FileSz = to_string(format_hex(Phdr.p_filesz, SizeWidth));
      MemSz = to_string(format_hex(Phdr.p_memsz, SizeWidth));
      Flag = printPhdrFlags(Phdr.p_flags);
      Align = to_string(format_hex(Phdr.p_align, 1));
      Fields[0].Str = Type;
      Fields[1].Str = Offset;
      Fields[2].Str = VMA;
      Fields[3].Str = LMA;
      Fields[4].Str = FileSz;
      Fields[5].Str = MemSz;
      Fields[6].Str = Flag;
      Fields[7].Str = Align;
      for (auto Field : Fields)
        printField(Field);
      if (Phdr.p_type == ELF::PT_INTERP) {
        OS << "\n      [Requesting program interpreter: ";
        OS << reinterpret_cast<const char *>(Obj->base()) + Phdr.p_offset << "]";
      }
      OS << "\n";
    }
    OS << "\n Section to Segment mapping:\n  Segment Sections...\n";
    int Phnum = 0;
    for (const Elf_Phdr &Phdr : unwrapOrError(Obj->program_headers())) {
      std::string Sections;
      OS << format("   %2.2d     ", Phnum++);
      for (const Elf_Shdr &Sec : unwrapOrError(Obj->sections())) {
        // Check if each section is in a segment and then print mapping.
        // 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.
        bool TbssInNonTLS = (Sec.sh_type == ELF::SHT_NOBITS) &&
                            ((Sec.sh_flags & ELF::SHF_TLS) != 0) &&
                            Phdr.p_type != ELF::PT_TLS;
        if (!TbssInNonTLS && checkTLSSections(Phdr, Sec) &&
            checkoffsets(Phdr, Sec) && checkVMA(Phdr, Sec) &&
            checkPTDynamic(Phdr, Sec) && (Sec.sh_type != ELF::SHT_NULL))
          Sections += unwrapOrError(Obj->getSectionName(&Sec)).str() + " ";
      }
      OS << Sections << "\n";
      OS.flush();
    }
  }
  
  template <class ELFT>
  void GNUStyle<ELFT>::printDynamicRelocation(const ELFO *Obj, Elf_Rela R,
                                              bool IsRela) {
    SmallString<32> RelocName;
    StringRef SymbolName;
    unsigned Width = ELFT::Is64Bits ? 16 : 8;
    unsigned Bias = ELFT::Is64Bits ? 8 : 0;
    // First two fields are bit width dependent. The rest of them are after are
    // fixed width.
    Field Fields[5] = {0, 10 + Bias, 19 + 2 * Bias, 42 + 2 * Bias, 53 + 2 * Bias};
  
    uint32_t SymIndex = R.getSymbol(Obj->isMips64EL());
    const Elf_Sym *Sym = this->dumper()->dynamic_symbols().begin() + SymIndex;
    Obj->getRelocationTypeName(R.getType(Obj->isMips64EL()), RelocName);
    SymbolName =
        unwrapOrError(Sym->getName(this->dumper()->getDynamicStringTable()));
    std::string Addend, Info, Offset, Value;
    Offset = to_string(format_hex_no_prefix(R.r_offset, Width));
    Info = to_string(format_hex_no_prefix(R.r_info, Width));
    Value = to_string(format_hex_no_prefix(Sym->getValue(), Width));
    int64_t RelAddend = R.r_addend;
    if (!SymbolName.empty() && IsRela) {
      if (R.r_addend < 0)
        Addend = " - ";
      else
        Addend = " + ";
    }
  
    if (SymbolName.empty() && Sym->getValue() == 0)
      Value = "";
  
    if (IsRela)
      Addend += to_string(format_hex_no_prefix(std::abs(RelAddend), 1));
  
  
    Fields[0].Str = Offset;
    Fields[1].Str = Info;
    Fields[2].Str = RelocName.c_str();
    Fields[3].Str = Value;
    Fields[4].Str = SymbolName;
    for (auto &Field : Fields)
      printField(Field);
    OS << Addend;
    OS << "\n";
  }
  
  template <class ELFT>
  void GNUStyle<ELFT>::printDynamicRelocations(const ELFO *Obj) {
    const DynRegionInfo &DynRelRegion = this->dumper()->getDynRelRegion();
    const DynRegionInfo &DynRelaRegion = this->dumper()->getDynRelaRegion();
    const DynRegionInfo &DynRelrRegion = this->dumper()->getDynRelrRegion();
    const DynRegionInfo &DynPLTRelRegion = this->dumper()->getDynPLTRelRegion();
    if (DynRelaRegion.Size > 0) {
      OS << "\n'RELA' relocation section at offset "
         << format_hex(reinterpret_cast<const uint8_t *>(DynRelaRegion.Addr) -
                           Obj->base(),
                       1) << " contains " << DynRelaRegion.Size << " bytes:\n";
      printRelocHeader(ELF::SHT_RELA);
      for (const Elf_Rela &Rela : this->dumper()->dyn_relas())
        printDynamicRelocation(Obj, Rela, true);
    }
    if (DynRelRegion.Size > 0) {
      OS << "\n'REL' relocation section at offset "
         << format_hex(reinterpret_cast<const uint8_t *>(DynRelRegion.Addr) -
                           Obj->base(),
                       1) << " contains " << DynRelRegion.Size << " bytes:\n";
      printRelocHeader(ELF::SHT_REL);
      for (const Elf_Rel &Rel : this->dumper()->dyn_rels()) {
        Elf_Rela Rela;
        Rela.r_offset = Rel.r_offset;
        Rela.r_info = Rel.r_info;
        Rela.r_addend = 0;
        printDynamicRelocation(Obj, Rela, false);
      }
    }
    if (DynRelrRegion.Size > 0) {
      OS << "\n'RELR' relocation section at offset "
         << format_hex(reinterpret_cast<const uint8_t *>(DynRelrRegion.Addr) -
                           Obj->base(),
                       1) << " contains " << DynRelrRegion.Size << " bytes:\n";
      printRelocHeader(ELF::SHT_REL);
      Elf_Relr_Range Relrs = this->dumper()->dyn_relrs();
      std::vector<Elf_Rela> RelrRelas = unwrapOrError(Obj->decode_relrs(Relrs));
      for (const Elf_Rela &Rela : RelrRelas) {
        printDynamicRelocation(Obj, Rela, false);
      }
    }
    if (DynPLTRelRegion.Size) {
      OS << "\n'PLT' relocation section at offset "
         << format_hex(reinterpret_cast<const uint8_t *>(DynPLTRelRegion.Addr) -
                           Obj->base(),
                       1) << " contains " << DynPLTRelRegion.Size << " bytes:\n";
    }
    if (DynPLTRelRegion.EntSize == sizeof(Elf_Rela)) {
      printRelocHeader(ELF::SHT_RELA);
      for (const Elf_Rela &Rela : DynPLTRelRegion.getAsArrayRef<Elf_Rela>())
        printDynamicRelocation(Obj, Rela, true);
    } else {
      printRelocHeader(ELF::SHT_REL);
      for (const Elf_Rel &Rel : DynPLTRelRegion.getAsArrayRef<Elf_Rel>()) {
        Elf_Rela Rela;
        Rela.r_offset = Rel.r_offset;
        Rela.r_info = Rel.r_info;
        Rela.r_addend = 0;
        printDynamicRelocation(Obj, Rela, false);
      }
    }
  }
  
  // Hash histogram shows  statistics of how efficient the hash was for the
  // dynamic symbol table. The table shows number of hash buckets for different
  // lengths of chains as absolute number and percentage of the total buckets.
  // Additionally cumulative coverage of symbols for each set of buckets.
  template <class ELFT>
  void GNUStyle<ELFT>::printHashHistogram(const ELFFile<ELFT> *Obj) {
  
    const Elf_Hash *HashTable = this->dumper()->getHashTable();
    const Elf_GnuHash *GnuHashTable = this->dumper()->getGnuHashTable();
  
    // Print histogram for .hash section
    if (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++) {
        for (size_t C = Buckets[B]; C > 0 && C < NChain; C = Chains[C])
          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);
      }
    }
  
    // Print histogram for .gnu.hash section
    if (GnuHashTable) {
      size_t NBucket = GnuHashTable->nbuckets;
      ArrayRef<Elf_Word> Buckets = GnuHashTable->buckets();
      unsigned NumSyms = this->dumper()->dynamic_symbols().size();
      if (!NumSyms)
        return;
      ArrayRef<Elf_Word> Chains = GnuHashTable->values(NumSyms);
      size_t Symndx = GnuHashTable->symndx;
      size_t TotalSyms = 0;
      size_t MaxChain = 1;
      size_t CumulativeNonZero = 0;
  
      if (Chains.empty() || NBucket == 0)
        return;
  
      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);
      }
    }
  }
  
  template <class ELFT>
  void GNUStyle<ELFT>::printCGProfile(const ELFFile<ELFT> *Obj) {
    OS << "GNUStyle::printCGProfile not implemented\n";
  }
  
  template <class ELFT>
  void GNUStyle<ELFT>::printAddrsig(const ELFFile<ELFT> *Obj) {
      OS << "GNUStyle::printAddrsig not implemented\n";
  }
  
  static std::string getGNUNoteTypeName(const uint32_t NT) {
    static const struct {
      uint32_t ID;
      const char *Name;
    } Notes[] = {
        {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)"},
    };
  
    for (const auto &Note : Notes)
      if (Note.ID == NT)
        return std::string(Note.Name);
  
    std::string string;
    raw_string_ostream OS(string);
    OS << format("Unknown note type (0x%08x)", NT);
    return OS.str();
  }
  
  static std::string getFreeBSDNoteTypeName(const uint32_t NT) {
    static const struct {
      uint32_t ID;
      const char *Name;
    } Notes[] = {
        {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)"},
        {ELF::NT_FREEBSD_PROCSTAT_PSSTRINGS,
         "NT_PROCSTAT_PSSTRINGS (ps_strings data)"},
        {ELF::NT_FREEBSD_PROCSTAT_AUXV, "NT_PROCSTAT_AUXV (auxv data)"},
    };
  
    for (const auto &Note : Notes)
      if (Note.ID == NT)
        return std::string(Note.Name);
  
    std::string string;
    raw_string_ostream OS(string);
    OS << format("Unknown note type (0x%08x)", NT);
    return OS.str();
  }
  
  static std::string getAMDNoteTypeName(const uint32_t NT) {
    static const struct {
      uint32_t ID;
      const char *Name;
    } Notes[] = {
      {ELF::NT_AMD_AMDGPU_HSA_METADATA,
       "NT_AMD_AMDGPU_HSA_METADATA (HSA Metadata)"},
      {ELF::NT_AMD_AMDGPU_ISA,
       "NT_AMD_AMDGPU_ISA (ISA Version)"},
      {ELF::NT_AMD_AMDGPU_PAL_METADATA,
       "NT_AMD_AMDGPU_PAL_METADATA (PAL Metadata)"}
    };
  
    for (const auto &Note : Notes)
      if (Note.ID == NT)
        return std::string(Note.Name);
  
    std::string string;
    raw_string_ostream OS(string);
    OS << format("Unknown note type (0x%08x)", NT);
    return OS.str();
  }
  
  static std::string getAMDGPUNoteTypeName(const uint32_t NT) {
    if (NT == ELF::NT_AMDGPU_METADATA)
      return std::string("NT_AMDGPU_METADATA (AMDGPU Metadata)");
  
    std::string string;
    raw_string_ostream OS(string);
    OS << format("Unknown note type (0x%08x)", NT);
    return OS.str();
  }
  
  template <typename ELFT>
  static std::string getGNUProperty(uint32_t Type, uint32_t DataSize,
                                    ArrayRef<uint8_t> Data) {
    std::string str;
    raw_string_ostream OS(str);
    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_X86_FEATURE_1_AND:
      OS << "X86 features: ";
      if (DataSize != 4 && DataSize != 8) {
        OS << format("<corrupt length: 0x%x>", DataSize);
        return OS.str();
      }
      uint64_t CFProtection =
          (DataSize == 4)
              ? support::endian::read32<ELFT::TargetEndianness>(Data.data())
              : support::endian::read64<ELFT::TargetEndianness>(Data.data());
      if (CFProtection == 0) {
        OS << "none";
        return OS.str();
      }
      if (CFProtection & GNU_PROPERTY_X86_FEATURE_1_IBT) {
        OS << "IBT";
        CFProtection &= ~GNU_PROPERTY_X86_FEATURE_1_IBT;
        if (CFProtection)
          OS << ", ";
      }
      if (CFProtection & GNU_PROPERTY_X86_FEATURE_1_SHSTK) {
        OS << "SHSTK";
        CFProtection &= ~GNU_PROPERTY_X86_FEATURE_1_SHSTK;
        if (CFProtection)
          OS << ", ";
      }
      if (CFProtection)
        OS << format("<unknown flags: 0x%llx>", CFProtection);
      return OS.str();
    }
  }
  
  template <typename ELFT>
  static 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;
  }
  
  struct GNUAbiTag {
    std::string OSName;
    std::string ABI;
    bool IsValid;
  };
  
  template <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 {OSName, ABI.str(), /*IsValid=*/true};
  }
  
  static std::string getGNUBuildId(ArrayRef<uint8_t> Desc) {
    std::string str;
    raw_string_ostream OS(str);
    for (const auto &B : Desc)
      OS << format_hex_no_prefix(B, 2);
    return OS.str();
  }
  
  static StringRef getGNUGoldVersion(ArrayRef<uint8_t> Desc) {
    return StringRef(reinterpret_cast<const char *>(Desc.data()), Desc.size());
  }
  
  template <typename ELFT>
  static void printGNUNote(raw_ostream &OS, uint32_t NoteType,
                           ArrayRef<uint8_t> Desc) {
    switch (NoteType) {
    default:
      return;
    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: " << getGNUGoldVersion(Desc);
      break;
    case ELF::NT_GNU_PROPERTY_TYPE_0:
      OS << "    Properties:";
      for (const auto &Property : getGNUPropertyList<ELFT>(Desc))
        OS << "    " << Property << "\n";
      break;
    }
    OS << '\n';
  }
  
  struct AMDNote {
    std::string Type;
    std::string Value;
  };
  
  template <typename ELFT>
  static AMDNote getAMDNote(uint32_t NoteType, ArrayRef<uint8_t> Desc) {
    switch (NoteType) {
    default:
      return {"", ""};
    case ELF::NT_AMD_AMDGPU_HSA_METADATA:
      return {"HSA Metadata",
              std::string(reinterpret_cast<const char *>(Desc.data()),
                          Desc.size())};
    case ELF::NT_AMD_AMDGPU_ISA:
      return {"ISA Version",
              std::string(reinterpret_cast<const char *>(Desc.data()),
                          Desc.size())};
    case ELF::NT_AMD_AMDGPU_PAL_METADATA:
      const uint32_t *PALMetadataBegin =
          reinterpret_cast<const uint32_t *>(Desc.data());
      const uint32_t *PALMetadataEnd = PALMetadataBegin + Desc.size();
      std::vector<uint32_t> PALMetadata(PALMetadataBegin, PALMetadataEnd);
      std::string PALMetadataString;
      auto Error = AMDGPU::PALMD::toString(PALMetadata, PALMetadataString);
      if (Error) {
        return {"PAL Metadata", "Invalid"};
      }
      return {"PAL Metadata", PALMetadataString};
    }
  }
  
  struct AMDGPUNote {
    std::string Type;
    std::string Value;
  };
  
  template <typename ELFT>
  static AMDGPUNote getAMDGPUNote(uint32_t NoteType, ArrayRef<uint8_t> Desc) {
    switch (NoteType) {
    default:
      return {"", ""};
    case ELF::NT_AMDGPU_METADATA:
      auto MsgPackString =
          StringRef(reinterpret_cast<const char *>(Desc.data()), Desc.size());
      msgpack::Reader MsgPackReader(MsgPackString);
      auto OptMsgPackNodeOrErr = msgpack::Node::read(MsgPackReader);
      if (errorToBool(OptMsgPackNodeOrErr.takeError()))
        return {"AMDGPU Metadata", "Invalid AMDGPU Metadata"};
      auto &OptMsgPackNode = *OptMsgPackNodeOrErr;
      if (!OptMsgPackNode)
        return {"AMDGPU Metadata", "Invalid AMDGPU Metadata"};
      auto &MsgPackNode = *OptMsgPackNode;
  
      AMDGPU::HSAMD::V3::MetadataVerifier Verifier(true);
      if (!Verifier.verify(*MsgPackNode))
        return {"AMDGPU Metadata", "Invalid AMDGPU Metadata"};
  
      std::string HSAMetadataString;
      raw_string_ostream StrOS(HSAMetadataString);
      yaml::Output YOut(StrOS);
      YOut << MsgPackNode;
  
      return {"AMDGPU Metadata", StrOS.str()};
    }
  }
  
  template <class ELFT>
  void GNUStyle<ELFT>::printNotes(const ELFFile<ELFT> *Obj) {
    const Elf_Ehdr *e = Obj->getHeader();
    bool IsCore = e->e_type == ELF::ET_CORE;
  
    auto PrintHeader = [&](const typename ELFT::Off Offset,
                           const typename ELFT::Addr Size) {
      OS << "Displaying notes found at file offset " << format_hex(Offset, 10)
         << " with length " << format_hex(Size, 10) << ":\n"
         << "  Owner                 Data size\tDescription\n";
    };
  
    auto ProcessNote = [&](const Elf_Note &Note) {
      StringRef Name = Note.getName();
      ArrayRef<uint8_t> Descriptor = Note.getDesc();
      Elf_Word Type = Note.getType();
  
      OS << "  " << Name << std::string(22 - Name.size(), ' ')
         << format_hex(Descriptor.size(), 10) << '\t';
  
      if (Name == "GNU") {
        OS << getGNUNoteTypeName(Type) << '\n';
        printGNUNote<ELFT>(OS, Type, Descriptor);
      } else if (Name == "FreeBSD") {
        OS << getFreeBSDNoteTypeName(Type) << '\n';
      } else if (Name == "AMD") {
        OS << getAMDNoteTypeName(Type) << '\n';
        const AMDNote N = getAMDNote<ELFT>(Type, Descriptor);
        if (!N.Type.empty())
          OS << "    " << N.Type << ":\n        " << N.Value << '\n';
      } else if (Name == "AMDGPU") {
        OS << getAMDGPUNoteTypeName(Type) << '\n';
        const AMDGPUNote N = getAMDGPUNote<ELFT>(Type, Descriptor);
        if (!N.Type.empty())
          OS << "    " << N.Type << ":\n        " << N.Value << '\n';
      } else {
        OS << "Unknown note type: (" << format_hex(Type, 10) << ')';
      }
      OS << '\n';
    };
  
    if (IsCore) {
      for (const auto &P : unwrapOrError(Obj->program_headers())) {
        if (P.p_type != PT_NOTE)
          continue;
        PrintHeader(P.p_offset, P.p_filesz);
        Error Err = Error::success();
        for (const auto &Note : Obj->notes(P, Err))
          ProcessNote(Note);
        if (Err)
          error(std::move(Err));
      }
    } else {
      for (const auto &S : unwrapOrError(Obj->sections())) {
        if (S.sh_type != SHT_NOTE)
          continue;
        PrintHeader(S.sh_offset, S.sh_size);
        Error Err = Error::success();
        for (const auto &Note : Obj->notes(S, Err))
          ProcessNote(Note);
        if (Err)
          error(std::move(Err));
      }
    }
  }
  
  template <class ELFT>
  void GNUStyle<ELFT>::printELFLinkerOptions(const ELFFile<ELFT> *Obj) {
    OS << "printELFLinkerOptions not implemented!\n";
  }
  
  template <class ELFT>
  void GNUStyle<ELFT>::printMipsGOT(const MipsGOTParser<ELFT> &Parser) {
    size_t Bias = ELFT::Is64Bits ? 8 : 0;
    auto PrintEntry = [&](const Elf_Addr *E, StringRef Purpose) {
      OS.PadToColumn(2);
      OS << format_hex_no_prefix(Parser.getGotAddress(E), 8 + Bias);
      OS.PadToColumn(11 + Bias);
      OS << format_decimal(Parser.getGotOffset(E), 6) << "(gp)";
      OS.PadToColumn(22 + Bias);
      OS << format_hex_no_prefix(*E, 8 + Bias);
      OS.PadToColumn(31 + 2 * Bias);
      OS << Purpose << "\n";
    };
  
    OS << (Parser.IsStatic ? "Static GOT:\n" : "Primary GOT:\n");
    OS << " Canonical gp value: "
       << format_hex_no_prefix(Parser.getGp(), 8 + Bias) << "\n\n";
  
    OS << " Reserved entries:\n";
    OS << "   Address     Access  Initial Purpose\n";
    PrintEntry(Parser.getGotLazyResolver(), "Lazy resolver");
    if (Parser.getGotModulePointer())
      PrintEntry(Parser.getGotModulePointer(), "Module pointer (GNU extension)");
  
    if (!Parser.getLocalEntries().empty()) {
      OS << "\n";
      OS << " Local entries:\n";
      OS << "   Address     Access  Initial\n";
      for (auto &E : Parser.getLocalEntries())
        PrintEntry(&E, "");
    }
  
    if (Parser.IsStatic)
      return;
  
    if (!Parser.getGlobalEntries().empty()) {
      OS << "\n";
      OS << " Global entries:\n";
      OS << "   Address     Access  Initial Sym.Val. Type    Ndx Name\n";
      for (auto &E : Parser.getGlobalEntries()) {
        const Elf_Sym *Sym = Parser.getGotSym(&E);
        std::string SymName = this->dumper()->getFullSymbolName(
            Sym, this->dumper()->getDynamicStringTable(), false);
  
        OS.PadToColumn(2);
        OS << to_string(format_hex_no_prefix(Parser.getGotAddress(&E), 8 + Bias));
        OS.PadToColumn(11 + Bias);
        OS << to_string(format_decimal(Parser.getGotOffset(&E), 6)) + "(gp)";
        OS.PadToColumn(22 + Bias);
        OS << to_string(format_hex_no_prefix(E, 8 + Bias));
        OS.PadToColumn(31 + 2 * Bias);
        OS << to_string(format_hex_no_prefix(Sym->st_value, 8 + Bias));
        OS.PadToColumn(40 + 3 * Bias);
        OS << printEnum(Sym->getType(), makeArrayRef(ElfSymbolTypes));
        OS.PadToColumn(48 + 3 * Bias);
        OS << getSymbolSectionNdx(Parser.Obj, Sym,
                                  this->dumper()->dynamic_symbols().begin());
        OS.PadToColumn(52 + 3 * Bias);
        OS << SymName << "\n";
      }
    }
  
    if (!Parser.getOtherEntries().empty())
      OS << "\n Number of TLS and multi-GOT entries "
         << Parser.getOtherEntries().size() << "\n";
  }
  
  template <class ELFT>
  void GNUStyle<ELFT>::printMipsPLT(const MipsGOTParser<ELFT> &Parser) {
    size_t Bias = ELFT::Is64Bits ? 8 : 0;
    auto PrintEntry = [&](const Elf_Addr *E, StringRef Purpose) {
      OS.PadToColumn(2);
      OS << format_hex_no_prefix(Parser.getGotAddress(E), 8 + Bias);
      OS.PadToColumn(11 + Bias);
      OS << format_hex_no_prefix(*E, 8 + Bias);
      OS.PadToColumn(20 + 2 * Bias);
      OS << Purpose << "\n";
    };
  
    OS << "PLT GOT:\n\n";
  
    OS << " Reserved entries:\n";
    OS << "   Address  Initial Purpose\n";
    PrintEntry(Parser.getPltLazyResolver(), "PLT lazy resolver");
    if (Parser.getPltModulePointer())
      PrintEntry(Parser.getGotModulePointer(), "Module pointer");
  
    if (!Parser.getPltEntries().empty()) {
      OS << "\n";
      OS << " Entries:\n";
      OS << "   Address  Initial Sym.Val. Type    Ndx Name\n";
      for (auto &E : Parser.getPltEntries()) {
        const Elf_Sym *Sym = Parser.getPltSym(&E);
        std::string SymName = this->dumper()->getFullSymbolName(
            Sym, this->dumper()->getDynamicStringTable(), false);
  
        OS.PadToColumn(2);
        OS << to_string(format_hex_no_prefix(Parser.getGotAddress(&E), 8 + Bias));
        OS.PadToColumn(11 + Bias);
        OS << to_string(format_hex_no_prefix(E, 8 + Bias));
        OS.PadToColumn(20 + 2 * Bias);
        OS << to_string(format_hex_no_prefix(Sym->st_value, 8 + Bias));
        OS.PadToColumn(29 + 3 * Bias);
        OS << printEnum(Sym->getType(), makeArrayRef(ElfSymbolTypes));
        OS.PadToColumn(37 + 3 * Bias);
        OS << getSymbolSectionNdx(Parser.Obj, Sym,
                                  this->dumper()->dynamic_symbols().begin());
        OS.PadToColumn(41 + 3 * Bias);
        OS << SymName << "\n";
      }
    }
  }
  
  template <class ELFT> void LLVMStyle<ELFT>::printFileHeaders(const ELFO *Obj) {
    const Elf_Ehdr *e = Obj->getHeader();
    {
      DictScope D(W, "ElfHeader");
      {
        DictScope D(W, "Ident");
        W.printBinary("Magic", makeArrayRef(e->e_ident).slice(ELF::EI_MAG0, 4));
        W.printEnum("Class", e->e_ident[ELF::EI_CLASS], makeArrayRef(ElfClass));
        W.printEnum("DataEncoding", e->e_ident[ELF::EI_DATA],
                    makeArrayRef(ElfDataEncoding));
        W.printNumber("FileVersion", e->e_ident[ELF::EI_VERSION]);
  
        auto OSABI = makeArrayRef(ElfOSABI);
        if (e->e_ident[ELF::EI_OSABI] >= ELF::ELFOSABI_FIRST_ARCH &&
            e->e_ident[ELF::EI_OSABI] <= ELF::ELFOSABI_LAST_ARCH) {
          switch (e->e_machine) {
          case ELF::EM_AMDGPU:
            OSABI = makeArrayRef(AMDGPUElfOSABI);
            break;
          case ELF::EM_ARM:
            OSABI = makeArrayRef(ARMElfOSABI);
            break;
          case ELF::EM_TI_C6000:
            OSABI = makeArrayRef(C6000ElfOSABI);
            break;
          }
        }
        W.printEnum("OS/ABI", e->e_ident[ELF::EI_OSABI], OSABI);
        W.printNumber("ABIVersion", e->e_ident[ELF::EI_ABIVERSION]);
        W.printBinary("Unused", makeArrayRef(e->e_ident).slice(ELF::EI_PAD));
      }
  
      W.printEnum("Type", e->e_type, makeArrayRef(ElfObjectFileType));
      W.printEnum("Machine", e->e_machine, makeArrayRef(ElfMachineType));
      W.printNumber("Version", e->e_version);
      W.printHex("Entry", e->e_entry);
      W.printHex("ProgramHeaderOffset", e->e_phoff);
      W.printHex("SectionHeaderOffset", e->e_shoff);
      if (e->e_machine == EM_MIPS)
        W.printFlags("Flags", 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_AMDGPU)
        W.printFlags("Flags", e->e_flags, makeArrayRef(ElfHeaderAMDGPUFlags),
                     unsigned(ELF::EF_AMDGPU_MACH));
      else if (e->e_machine == EM_RISCV)
        W.printFlags("Flags", e->e_flags, makeArrayRef(ElfHeaderRISCVFlags));
      else
        W.printFlags("Flags", e->e_flags);
      W.printNumber("HeaderSize", e->e_ehsize);
      W.printNumber("ProgramHeaderEntrySize", e->e_phentsize);
      W.printNumber("ProgramHeaderCount", e->e_phnum);
      W.printNumber("SectionHeaderEntrySize", e->e_shentsize);
      W.printString("SectionHeaderCount", getSectionHeadersNumString(Obj));
      W.printString("StringTableSectionIndex", getSectionHeaderTableIndexString(Obj));
    }
  }
  
  template <class ELFT>
  void LLVMStyle<ELFT>::printGroupSections(const ELFO *Obj) {
    DictScope Lists(W, "Groups");
    std::vector<GroupSection> V = getGroups<ELFT>(Obj);
    DenseMap<uint64_t, const GroupSection *> Map = mapSectionsToGroups(V);
    for (const GroupSection &G : V) {
      DictScope D(W, "Group");
      W.printNumber("Name", G.Name, G.ShName);
      W.printNumber("Index", G.Index);
      W.printNumber("Link", G.Link);
      W.printNumber("Info", G.Info);
      W.printHex("Type", getGroupType(G.Type), G.Type);
      W.startLine() << "Signature: " << G.Signature << "\n";
  
      ListScope L(W, "Section(s) in group");
      for (const GroupMember &GM : G.Members) {
        const GroupSection *MainGroup = Map[GM.Index];
        if (MainGroup != &G) {
          W.flush();
          errs() << "Error: " << GM.Name << " (" << GM.Index
                 << ") in a group " + G.Name + " (" << G.Index
                 << ") is already in a group " + MainGroup->Name + " ("
                 << MainGroup->Index << ")\n";
          errs().flush();
          continue;
        }
        W.startLine() << GM.Name << " (" << GM.Index << ")\n";
      }
    }
  
    if (V.empty())
      W.startLine() << "There are no group sections in the file.\n";
  }
  
  template <class ELFT> void LLVMStyle<ELFT>::printRelocations(const ELFO *Obj) {
    ListScope D(W, "Relocations");
  
    int SectionNumber = -1;
    for (const Elf_Shdr &Sec : unwrapOrError(Obj->sections())) {
      ++SectionNumber;
  
      if (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)
        continue;
  
      StringRef Name = unwrapOrError(Obj->getSectionName(&Sec));
  
      W.startLine() << "Section (" << SectionNumber << ") " << Name << " {\n";
      W.indent();
  
      printRelocations(&Sec, Obj);
  
      W.unindent();
      W.startLine() << "}\n";
    }
  }
  
  template <class ELFT>
  void LLVMStyle<ELFT>::printRelocations(const Elf_Shdr *Sec, const ELFO *Obj) {
    const Elf_Shdr *SymTab = unwrapOrError(Obj->getSection(Sec->sh_link));
  
    switch (Sec->sh_type) {
    case ELF::SHT_REL:
      for (const Elf_Rel &R : unwrapOrError(Obj->rels(Sec))) {
        Elf_Rela Rela;
        Rela.r_offset = R.r_offset;
        Rela.r_info = R.r_info;
        Rela.r_addend = 0;
        printRelocation(Obj, Rela, SymTab);
      }
      break;
    case ELF::SHT_RELA:
      for (const Elf_Rela &R : unwrapOrError(Obj->relas(Sec)))
        printRelocation(Obj, R, SymTab);
      break;
    case ELF::SHT_RELR:
    case ELF::SHT_ANDROID_RELR: {
      Elf_Relr_Range Relrs = unwrapOrError(Obj->relrs(Sec));
      if (opts::RawRelr) {
        for (const Elf_Relr &R : Relrs)
          W.startLine() << W.hex(R) << "\n";
      } else {
        std::vector<Elf_Rela> RelrRelas = unwrapOrError(Obj->decode_relrs(Relrs));
        for (const Elf_Rela &R : RelrRelas)
          printRelocation(Obj, R, SymTab);
      }
      break;
    }
    case ELF::SHT_ANDROID_REL:
    case ELF::SHT_ANDROID_RELA:
      for (const Elf_Rela &R : unwrapOrError(Obj->android_relas(Sec)))
        printRelocation(Obj, R, SymTab);
      break;
    }
  }
  
  template <class ELFT>
  void LLVMStyle<ELFT>::printRelocation(const ELFO *Obj, Elf_Rela Rel,
                                        const Elf_Shdr *SymTab) {
    SmallString<32> RelocName;
    Obj->getRelocationTypeName(Rel.getType(Obj->isMips64EL()), RelocName);
    StringRef TargetName;
    const Elf_Sym *Sym = unwrapOrError(Obj->getRelocationSymbol(&Rel, SymTab));
    if (Sym && Sym->getType() == ELF::STT_SECTION) {
      const Elf_Shdr *Sec = unwrapOrError(
          Obj->getSection(Sym, SymTab, this->dumper()->getShndxTable()));
      TargetName = unwrapOrError(Obj->getSectionName(Sec));
    } else if (Sym) {
      StringRef StrTable = unwrapOrError(Obj->getStringTableForSymtab(*SymTab));
      TargetName = unwrapOrError(Sym->getName(StrTable));
    }
  
    if (opts::ExpandRelocs) {
      DictScope Group(W, "Relocation");
      W.printHex("Offset", Rel.r_offset);
      W.printNumber("Type", RelocName, (int)Rel.getType(Obj->isMips64EL()));
      W.printNumber("Symbol", !TargetName.empty() ? TargetName : "-",
                    Rel.getSymbol(Obj->isMips64EL()));
      W.printHex("Addend", Rel.r_addend);
    } else {
      raw_ostream &OS = W.startLine();
      OS << W.hex(Rel.r_offset) << " " << RelocName << " "
         << (!TargetName.empty() ? TargetName : "-") << " "
         << W.hex(Rel.r_addend) << "\n";
    }
  }
  
  template <class ELFT>
  void LLVMStyle<ELFT>::printSectionHeaders(const ELFO *Obj) {
    ListScope SectionsD(W, "Sections");
  
    int SectionIndex = -1;
    for (const Elf_Shdr &Sec : unwrapOrError(Obj->sections())) {
      ++SectionIndex;
  
      StringRef Name = unwrapOrError(Obj->getSectionName(&Sec));
  
      DictScope SectionD(W, "Section");
      W.printNumber("Index", SectionIndex);
      W.printNumber("Name", Name, Sec.sh_name);
      W.printHex(
          "Type",
          object::getELFSectionTypeName(Obj->getHeader()->e_machine, Sec.sh_type),
          Sec.sh_type);
      std::vector<EnumEntry<unsigned>> SectionFlags(std::begin(ElfSectionFlags),
                                                    std::end(ElfSectionFlags));
      switch (Obj->getHeader()->e_machine) {
      case EM_ARM:
        SectionFlags.insert(SectionFlags.end(), std::begin(ElfARMSectionFlags),
                            std::end(ElfARMSectionFlags));
        break;
      case EM_HEXAGON:
        SectionFlags.insert(SectionFlags.end(),
                            std::begin(ElfHexagonSectionFlags),
                            std::end(ElfHexagonSectionFlags));
        break;
      case EM_MIPS:
        SectionFlags.insert(SectionFlags.end(), std::begin(ElfMipsSectionFlags),
                            std::end(ElfMipsSectionFlags));
        break;
      case EM_X86_64:
        SectionFlags.insert(SectionFlags.end(), std::begin(ElfX86_64SectionFlags),
                            std::end(ElfX86_64SectionFlags));
        break;
      case EM_XCORE:
        SectionFlags.insert(SectionFlags.end(), std::begin(ElfXCoreSectionFlags),
                            std::end(ElfXCoreSectionFlags));
        break;
      default:
        // Nothing to do.
        break;
      }
      W.printFlags("Flags", Sec.sh_flags, makeArrayRef(SectionFlags));
      W.printHex("Address", Sec.sh_addr);
      W.printHex("Offset", Sec.sh_offset);
      W.printNumber("Size", Sec.sh_size);
      W.printNumber("Link", Sec.sh_link);
      W.printNumber("Info", Sec.sh_info);
      W.printNumber("AddressAlignment", Sec.sh_addralign);
      W.printNumber("EntrySize", Sec.sh_entsize);
  
      if (opts::SectionRelocations) {
        ListScope D(W, "Relocations");
        printRelocations(&Sec, Obj);
      }
  
      if (opts::SectionSymbols) {
        ListScope D(W, "Symbols");
        const Elf_Shdr *Symtab = this->dumper()->getDotSymtabSec();
        StringRef StrTable = unwrapOrError(Obj->getStringTableForSymtab(*Symtab));
  
        for (const Elf_Sym &Sym : unwrapOrError(Obj->symbols(Symtab))) {
          const Elf_Shdr *SymSec = unwrapOrError(
              Obj->getSection(&Sym, Symtab, this->dumper()->getShndxTable()));
          if (SymSec == &Sec)
            printSymbol(Obj, &Sym, unwrapOrError(Obj->symbols(Symtab)).begin(),
                        StrTable, false);
        }
      }
  
      if (opts::SectionData && Sec.sh_type != ELF::SHT_NOBITS) {
        ArrayRef<uint8_t> Data = unwrapOrError(Obj->getSectionContents(&Sec));
        W.printBinaryBlock("SectionData",
                           StringRef((const char *)Data.data(), Data.size()));
      }
    }
  }
  
  template <class ELFT>
  void LLVMStyle<ELFT>::printSymbol(const ELFO *Obj, const Elf_Sym *Symbol,
                                    const Elf_Sym *First, StringRef StrTable,
                                    bool IsDynamic) {
    unsigned SectionIndex = 0;
    StringRef SectionName;
    this->dumper()->getSectionNameIndex(Symbol, First, SectionName, SectionIndex);
    std::string FullSymbolName =
        this->dumper()->getFullSymbolName(Symbol, StrTable, IsDynamic);
    unsigned char SymbolType = Symbol->getType();
  
    DictScope D(W, "Symbol");
    W.printNumber("Name", FullSymbolName, Symbol->st_name);
    W.printHex("Value", Symbol->st_value);
    W.printNumber("Size", Symbol->st_size);
    W.printEnum("Binding", Symbol->getBinding(), makeArrayRef(ElfSymbolBindings));
    if (Obj->getHeader()->e_machine == ELF::EM_AMDGPU &&
        SymbolType >= ELF::STT_LOOS && SymbolType < ELF::STT_HIOS)
      W.printEnum("Type", SymbolType, makeArrayRef(AMDGPUSymbolTypes));
    else
      W.printEnum("Type", SymbolType, makeArrayRef(ElfSymbolTypes));
    if (Symbol->st_other == 0)
      // Usually st_other flag is zero. Do not pollute the output
      // by flags enumeration in that case.
      W.printNumber("Other", 0);
    else {
      std::vector<EnumEntry<unsigned>> SymOtherFlags(std::begin(ElfSymOtherFlags),
                                                     std::end(ElfSymOtherFlags));
      if (Obj->getHeader()->e_machine == EM_MIPS) {
        // Someones in their infinite wisdom decided to make STO_MIPS_MIPS16
        // flag overlapped with other ST_MIPS_xxx flags. So consider both
        // cases separately.
        if ((Symbol->st_other & STO_MIPS_MIPS16) == STO_MIPS_MIPS16)
          SymOtherFlags.insert(SymOtherFlags.end(),
                               std::begin(ElfMips16SymOtherFlags),
                               std::end(ElfMips16SymOtherFlags));
        else
          SymOtherFlags.insert(SymOtherFlags.end(),
                               std::begin(ElfMipsSymOtherFlags),
                               std::end(ElfMipsSymOtherFlags));
      }
      W.printFlags("Other", Symbol->st_other, makeArrayRef(SymOtherFlags), 0x3u);
    }
    W.printHex("Section", SectionName, SectionIndex);
  }
  
  template <class ELFT> void LLVMStyle<ELFT>::printSymbols(const ELFO *Obj) {
    ListScope Group(W, "Symbols");
    this->dumper()->printSymbolsHelper(false);
  }
  
  template <class ELFT>
  void LLVMStyle<ELFT>::printDynamicSymbols(const ELFO *Obj) {
    ListScope Group(W, "DynamicSymbols");
    this->dumper()->printSymbolsHelper(true);
  }
  
  template <class ELFT>
  void LLVMStyle<ELFT>::printDynamicRelocations(const ELFO *Obj) {
    const DynRegionInfo &DynRelRegion = this->dumper()->getDynRelRegion();
    const DynRegionInfo &DynRelaRegion = this->dumper()->getDynRelaRegion();
    const DynRegionInfo &DynRelrRegion = this->dumper()->getDynRelrRegion();
    const DynRegionInfo &DynPLTRelRegion = this->dumper()->getDynPLTRelRegion();
    if (DynRelRegion.Size && DynRelaRegion.Size)
      report_fatal_error("There are both REL and RELA dynamic relocations");
    W.startLine() << "Dynamic Relocations {\n";
    W.indent();
    if (DynRelaRegion.Size > 0)
      for (const Elf_Rela &Rela : this->dumper()->dyn_relas())
        printDynamicRelocation(Obj, Rela);
    else
      for (const Elf_Rel &Rel : this->dumper()->dyn_rels()) {
        Elf_Rela Rela;
        Rela.r_offset = Rel.r_offset;
        Rela.r_info = Rel.r_info;
        Rela.r_addend = 0;
        printDynamicRelocation(Obj, Rela);
      }
    if (DynRelrRegion.Size > 0) {
      Elf_Relr_Range Relrs = this->dumper()->dyn_relrs();
      std::vector<Elf_Rela> RelrRelas = unwrapOrError(Obj->decode_relrs(Relrs));
      for (const Elf_Rela &Rela : RelrRelas)
        printDynamicRelocation(Obj, Rela);
    }
    if (DynPLTRelRegion.EntSize == sizeof(Elf_Rela))
      for (const Elf_Rela &Rela : DynPLTRelRegion.getAsArrayRef<Elf_Rela>())
        printDynamicRelocation(Obj, Rela);
    else
      for (const Elf_Rel &Rel : DynPLTRelRegion.getAsArrayRef<Elf_Rel>()) {
        Elf_Rela Rela;
        Rela.r_offset = Rel.r_offset;
        Rela.r_info = Rel.r_info;
        Rela.r_addend = 0;
        printDynamicRelocation(Obj, Rela);
      }
    W.unindent();
    W.startLine() << "}\n";
  }
  
  template <class ELFT>
  void LLVMStyle<ELFT>::printDynamicRelocation(const ELFO *Obj, Elf_Rela Rel) {
    SmallString<32> RelocName;
    Obj->getRelocationTypeName(Rel.getType(Obj->isMips64EL()), RelocName);
    StringRef SymbolName;
    uint32_t SymIndex = Rel.getSymbol(Obj->isMips64EL());
    const Elf_Sym *Sym = this->dumper()->dynamic_symbols().begin() + SymIndex;
    SymbolName =
        unwrapOrError(Sym->getName(this->dumper()->getDynamicStringTable()));
    if (opts::ExpandRelocs) {
      DictScope Group(W, "Relocation");
      W.printHex("Offset", Rel.r_offset);
      W.printNumber("Type", RelocName, (int)Rel.getType(Obj->isMips64EL()));
      W.printString("Symbol", !SymbolName.empty() ? SymbolName : "-");
      W.printHex("Addend", Rel.r_addend);
    } else {
      raw_ostream &OS = W.startLine();
      OS << W.hex(Rel.r_offset) << " " << RelocName << " "
         << (!SymbolName.empty() ? SymbolName : "-") << " "
         << W.hex(Rel.r_addend) << "\n";
    }
  }
  
  template <class ELFT>
  void LLVMStyle<ELFT>::printProgramHeaders(const ELFO *Obj) {
    ListScope L(W, "ProgramHeaders");
  
    for (const Elf_Phdr &Phdr : unwrapOrError(Obj->program_headers())) {
      DictScope P(W, "ProgramHeader");
      W.printHex("Type",
                 getElfSegmentType(Obj->getHeader()->e_machine, Phdr.p_type),
                 Phdr.p_type);
      W.printHex("Offset", Phdr.p_offset);
      W.printHex("VirtualAddress", Phdr.p_vaddr);
      W.printHex("PhysicalAddress", Phdr.p_paddr);
      W.printNumber("FileSize", Phdr.p_filesz);
      W.printNumber("MemSize", Phdr.p_memsz);
      W.printFlags("Flags", Phdr.p_flags, makeArrayRef(ElfSegmentFlags));
      W.printNumber("Alignment", Phdr.p_align);
    }
  }
  
  template <class ELFT>
  void LLVMStyle<ELFT>::printHashHistogram(const ELFFile<ELFT> *Obj) {
    W.startLine() << "Hash Histogram not implemented!\n";
  }
  
  template <class ELFT>
  void LLVMStyle<ELFT>::printCGProfile(const ELFFile<ELFT> *Obj) {
    ListScope L(W, "CGProfile");
    if (!this->dumper()->getDotCGProfileSec())
      return;
    auto CGProfile =
        unwrapOrError(Obj->template getSectionContentsAsArray<Elf_CGProfile>(
            this->dumper()->getDotCGProfileSec()));
    for (const Elf_CGProfile &CGPE : CGProfile) {
      DictScope D(W, "CGProfileEntry");
      W.printNumber("From", this->dumper()->getStaticSymbolName(CGPE.cgp_from),
                    CGPE.cgp_from);
      W.printNumber("To", this->dumper()->getStaticSymbolName(CGPE.cgp_to),
                    CGPE.cgp_to);
      W.printNumber("Weight", CGPE.cgp_weight);
    }
  }
  
  template <class ELFT>
  void LLVMStyle<ELFT>::printAddrsig(const ELFFile<ELFT> *Obj) {
    ListScope L(W, "Addrsig");
    if (!this->dumper()->getDotAddrsigSec())
      return;
    ArrayRef<uint8_t> Contents = unwrapOrError(
        Obj->getSectionContents(this->dumper()->getDotAddrsigSec()));
    const uint8_t *Cur = Contents.begin();
    const uint8_t *End = Contents.end();
    while (Cur != End) {
      unsigned Size;
      const char *Err;
      uint64_t SymIndex = decodeULEB128(Cur, &Size, End, &Err);
      if (Err)
        reportError(Err);
      W.printNumber("Sym", this->dumper()->getStaticSymbolName(SymIndex),
                    SymIndex);
      Cur += Size;
    }
  }
  
  template <typename ELFT>
  static void printGNUNoteLLVMStyle(uint32_t NoteType,
                                    ArrayRef<uint8_t> Desc,
                                    ScopedPrinter &W) {
    switch (NoteType) {
    default:
      return;
    case ELF::NT_GNU_ABI_TAG: {
      const GNUAbiTag &AbiTag = getGNUAbiTag<ELFT>(Desc);
      if (!AbiTag.IsValid) {
        W.printString("ABI", "<corrupt GNU_ABI_TAG>");
      } else {
        W.printString("OS", AbiTag.OSName);
        W.printString("ABI", AbiTag.ABI);
      }
      break;
    }
    case ELF::NT_GNU_BUILD_ID: {
      W.printString("Build ID", getGNUBuildId(Desc));
      break;
    }
    case ELF::NT_GNU_GOLD_VERSION:
      W.printString("Version", getGNUGoldVersion(Desc));
      break;
    case ELF::NT_GNU_PROPERTY_TYPE_0:
      ListScope D(W, "Property");
      for (const auto &Property : getGNUPropertyList<ELFT>(Desc))
        W.printString(Property);
      break;
    }
  }
  
  template <class ELFT>
  void LLVMStyle<ELFT>::printNotes(const ELFFile<ELFT> *Obj) {
    ListScope L(W, "Notes");
    const Elf_Ehdr *e = Obj->getHeader();
    bool IsCore = e->e_type == ELF::ET_CORE;
  
    auto PrintHeader = [&](const typename ELFT::Off Offset,
                           const typename ELFT::Addr Size) {
      W.printHex("Offset", Offset);
      W.printHex("Size", Size);
    };
  
    auto ProcessNote = [&](const Elf_Note &Note) {
      DictScope D2(W, "Note");
      StringRef Name = Note.getName();
      ArrayRef<uint8_t> Descriptor = Note.getDesc();
      Elf_Word Type = Note.getType();
  
      W.printString("Owner", Name);
      W.printHex("Data size", Descriptor.size());
      if (Name == "GNU") {
        W.printString("Type", getGNUNoteTypeName(Type));
        printGNUNoteLLVMStyle<ELFT>(Type, Descriptor, W);
      } else if (Name == "FreeBSD") {
        W.printString("Type", getFreeBSDNoteTypeName(Type));
      } else if (Name == "AMD") {
        W.printString("Type", getAMDNoteTypeName(Type));
        const AMDNote N = getAMDNote<ELFT>(Type, Descriptor);
        if (!N.Type.empty())
          W.printString(N.Type, N.Value);
      } else if (Name == "AMDGPU") {
        W.printString("Type", getAMDGPUNoteTypeName(Type));
        const AMDGPUNote N = getAMDGPUNote<ELFT>(Type, Descriptor);
        if (!N.Type.empty())
          W.printString(N.Type, N.Value);
      } else {
        W.getOStream() << "Unknown note type: (" << format_hex(Type, 10) << ')';
      }
    };
  
    if (IsCore) {
      for (const auto &P : unwrapOrError(Obj->program_headers())) {
        if (P.p_type != PT_NOTE)
          continue;
        DictScope D(W, "NoteSection");
        PrintHeader(P.p_offset, P.p_filesz);
        Error Err = Error::success();
        for (const auto &Note : Obj->notes(P, Err))
          ProcessNote(Note);
        if (Err)
          error(std::move(Err));
      }
    } else {
      for (const auto &S : unwrapOrError(Obj->sections())) {
        if (S.sh_type != SHT_NOTE)
          continue;
        DictScope D(W, "NoteSection");
        PrintHeader(S.sh_offset, S.sh_size);
        Error Err = Error::success();
        for (const auto &Note : Obj->notes(S, Err))
          ProcessNote(Note);
        if (Err)
          error(std::move(Err));
      }
    }
  }
  
  template <class ELFT>
  void LLVMStyle<ELFT>::printELFLinkerOptions(const ELFFile<ELFT> *Obj) {
    ListScope L(W, "LinkerOptions");
  
    for (const Elf_Shdr &Shdr : unwrapOrError(Obj->sections())) {
      if (Shdr.sh_type != ELF::SHT_LLVM_LINKER_OPTIONS)
        continue;
  
      ArrayRef<uint8_t> Contents = unwrapOrError(Obj->getSectionContents(&Shdr));
      for (const uint8_t *P = Contents.begin(), *E = Contents.end(); P < E; ) {
        StringRef Key = StringRef(reinterpret_cast<const char *>(P));
        StringRef Value =
            StringRef(reinterpret_cast<const char *>(P) + Key.size() + 1);
  
        W.printString(Key, Value);
  
        P = P + Key.size() + Value.size() + 2;
      }
    }
  }
  
  template <class ELFT>
  void LLVMStyle<ELFT>::printMipsGOT(const MipsGOTParser<ELFT> &Parser) {
    auto PrintEntry = [&](const Elf_Addr *E) {
      W.printHex("Address", Parser.getGotAddress(E));
      W.printNumber("Access", Parser.getGotOffset(E));
      W.printHex("Initial", *E);
    };
  
    DictScope GS(W, Parser.IsStatic ? "Static GOT" : "Primary GOT");
  
    W.printHex("Canonical gp value", Parser.getGp());
    {
      ListScope RS(W, "Reserved entries");
      {
        DictScope D(W, "Entry");
        PrintEntry(Parser.getGotLazyResolver());
        W.printString("Purpose", StringRef("Lazy resolver"));
      }
  
      if (Parser.getGotModulePointer()) {
        DictScope D(W, "Entry");
        PrintEntry(Parser.getGotModulePointer());
        W.printString("Purpose", StringRef("Module pointer (GNU extension)"));
      }
    }
    {
      ListScope LS(W, "Local entries");
      for (auto &E : Parser.getLocalEntries()) {
        DictScope D(W, "Entry");
        PrintEntry(&E);
      }
    }
  
    if (Parser.IsStatic)
      return;
  
    {
      ListScope GS(W, "Global entries");
      for (auto &E : Parser.getGlobalEntries()) {
        DictScope D(W, "Entry");
  
        PrintEntry(&E);
  
        const Elf_Sym *Sym = Parser.getGotSym(&E);
        W.printHex("Value", Sym->st_value);
        W.printEnum("Type", Sym->getType(), makeArrayRef(ElfSymbolTypes));
  
        unsigned SectionIndex = 0;
        StringRef SectionName;
        this->dumper()->getSectionNameIndex(
            Sym, this->dumper()->dynamic_symbols().begin(), SectionName,
            SectionIndex);
        W.printHex("Section", SectionName, SectionIndex);
  
        std::string SymName = this->dumper()->getFullSymbolName(
            Sym, this->dumper()->getDynamicStringTable(), true);
        W.printNumber("Name", SymName, Sym->st_name);
      }
    }
  
    W.printNumber("Number of TLS and multi-GOT entries",
                  uint64_t(Parser.getOtherEntries().size()));
  }
  
  template <class ELFT>
  void LLVMStyle<ELFT>::printMipsPLT(const MipsGOTParser<ELFT> &Parser) {
    auto PrintEntry = [&](const Elf_Addr *E) {
      W.printHex("Address", Parser.getPltAddress(E));
      W.printHex("Initial", *E);
    };
  
    DictScope GS(W, "PLT GOT");
  
    {
      ListScope RS(W, "Reserved entries");
      {
        DictScope D(W, "Entry");
        PrintEntry(Parser.getPltLazyResolver());
        W.printString("Purpose", StringRef("PLT lazy resolver"));
      }
  
      if (auto E = Parser.getPltModulePointer()) {
        DictScope D(W, "Entry");
        PrintEntry(E);
        W.printString("Purpose", StringRef("Module pointer"));
      }
    }
    {
      ListScope LS(W, "Entries");
      for (auto &E : Parser.getPltEntries()) {
        DictScope D(W, "Entry");
        PrintEntry(&E);
  
        const Elf_Sym *Sym = Parser.getPltSym(&E);
        W.printHex("Value", Sym->st_value);
        W.printEnum("Type", Sym->getType(), makeArrayRef(ElfSymbolTypes));
  
        unsigned SectionIndex = 0;
        StringRef SectionName;
        this->dumper()->getSectionNameIndex(
            Sym, this->dumper()->dynamic_symbols().begin(), SectionName,
            SectionIndex);
        W.printHex("Section", SectionName, SectionIndex);
  
        std::string SymName =
            this->dumper()->getFullSymbolName(Sym, Parser.getPltStrTable(), true);
        W.printNumber("Name", SymName, Sym->st_name);
      }
    }
  }
  