/usr/src/gnu/usr.bin/clang/llvm-objdump/../../../llvm/llvm/tools/llvm-objdump/MachODump.cpp

Bug Summary

File:	src/gnu/usr.bin/clang/llvm-objdump/../../../llvm/llvm/tools/llvm-objdump/MachODump.cpp
Warning:	line 10214, column 7 Called C++ object pointer is null
Annotated Source Code

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clang -cc1 -cc1 -triple amd64-unknown-openbsd7.0 -analyze -disable-free -disable-llvm-verifier -discard-value-names -main-file-name MachODump.cpp -analyzer-store=region -analyzer-opt-analyze-nested-blocks -analyzer-checker=core -analyzer-checker=apiModeling -analyzer-checker=unix -analyzer-checker=deadcode -analyzer-checker=cplusplus -analyzer-checker=security.insecureAPI.UncheckedReturn -analyzer-checker=security.insecureAPI.getpw -analyzer-checker=security.insecureAPI.gets -analyzer-checker=security.insecureAPI.mktemp -analyzer-checker=security.insecureAPI.mkstemp -analyzer-checker=security.insecureAPI.vfork -analyzer-checker=nullability.NullPassedToNonnull -analyzer-checker=nullability.NullReturnedFromNonnull -analyzer-output plist -w -setup-static-analyzer -mrelocation-model static -mframe-pointer=all -relaxed-aliasing -fno-rounding-math -mconstructor-aliases -munwind-tables -target-cpu x86-64 -tune-cpu generic -debugger-tuning=gdb -fcoverage-compilation-dir=/usr/src/gnu/usr.bin/clang/llvm-objdump/obj -resource-dir /usr/local/lib/clang/13.0.0 -I /usr/src/gnu/usr.bin/clang/llvm-objdump/obj/../include/llvm-objdump -I /usr/src/gnu/usr.bin/clang/llvm-objdump/../../../llvm/llvm/include -I /usr/src/gnu/usr.bin/clang/llvm-objdump/../include -I /usr/src/gnu/usr.bin/clang/llvm-objdump/obj -I /usr/src/gnu/usr.bin/clang/llvm-objdump/obj/../include -D NDEBUG -D __STDC_LIMIT_MACROS -D __STDC_CONSTANT_MACROS -D __STDC_FORMAT_MACROS -D LLVM_PREFIX="/usr" -internal-isystem /usr/include/c++/v1 -internal-isystem /usr/local/lib/clang/13.0.0/include -internal-externc-isystem /usr/include -O2 -Wno-unused-parameter -Wwrite-strings -Wno-missing-field-initializers -Wno-long-long -Wno-comment -std=c++14 -fdeprecated-macro -fdebug-compilation-dir=/usr/src/gnu/usr.bin/clang/llvm-objdump/obj -ferror-limit 19 -fvisibility-inlines-hidden -fwrapv -stack-protector 2 -fno-rtti -fgnuc-version=4.2.1 -vectorize-loops -vectorize-slp -fno-builtin-malloc -fno-builtin-calloc -fno-builtin-realloc -fno-builtin-valloc -fno-builtin-free -fno-builtin-strdup -fno-builtin-strndup -analyzer-output=html -faddrsig -D__GCC_HAVE_DWARF2_CFI_ASM=1 -o /home/ben/Projects/vmm/scan-build/2022-01-12-194120-40624-1 -x c++ /usr/src/gnu/usr.bin/clang/llvm-objdump/../../../llvm/llvm/tools/llvm-objdump/MachODump.cpp
1//===-- MachODump.cpp - Object file dumping utility for llvm --------------===//
2//
3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4// See https://llvm.org/LICENSE.txt for license information.
5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6//
7//===----------------------------------------------------------------------===//
8//
9// This file implements the MachO-specific dumper for llvm-objdump.
10//
11//===----------------------------------------------------------------------===//

13#include "MachODump.h"

15#include "ObjdumpOptID.h"
16#include "llvm-objdump.h"
17#include "llvm-c/Disassembler.h"
18#include "llvm/ADT/STLExtras.h"
19#include "llvm/ADT/StringExtras.h"
20#include "llvm/ADT/Triple.h"
21#include "llvm/BinaryFormat/MachO.h"
22#include "llvm/Config/config.h"
23#include "llvm/DebugInfo/DIContext.h"
24#include "llvm/DebugInfo/DWARF/DWARFContext.h"
25#include "llvm/Demangle/Demangle.h"
26#include "llvm/MC/MCAsmInfo.h"
27#include "llvm/MC/MCContext.h"
28#include "llvm/MC/MCDisassembler/MCDisassembler.h"
29#include "llvm/MC/MCInst.h"
30#include "llvm/MC/MCInstPrinter.h"
31#include "llvm/MC/MCInstrDesc.h"
32#include "llvm/MC/MCInstrInfo.h"
33#include "llvm/MC/MCRegisterInfo.h"
34#include "llvm/MC/MCSubtargetInfo.h"
35#include "llvm/MC/MCTargetOptions.h"
36#include "llvm/Object/MachO.h"
37#include "llvm/Object/MachOUniversal.h"
38#include "llvm/Option/ArgList.h"
39#include "llvm/Support/Casting.h"
40#include "llvm/Support/Debug.h"
41#include "llvm/Support/Endian.h"
42#include "llvm/Support/Format.h"
43#include "llvm/Support/FormattedStream.h"
44#include "llvm/Support/GraphWriter.h"
45#include "llvm/Support/LEB128.h"
46#include "llvm/Support/MemoryBuffer.h"
47#include "llvm/Support/TargetRegistry.h"
48#include "llvm/Support/TargetSelect.h"
49#include "llvm/Support/ToolOutputFile.h"
50#include "llvm/Support/WithColor.h"
51#include "llvm/Support/raw_ostream.h"
52#include <algorithm>
53#include <cstring>
54#include <system_error>

56#ifdef LLVM_HAVE_LIBXAR
57extern "C" {
58#include <xar/xar.h>
59}
60#endif

62using namespace llvm;
63using namespace llvm::object;
64using namespace llvm::objdump;

66bool objdump::FirstPrivateHeader;
67bool objdump::ExportsTrie;
68bool objdump::Rebase;
69bool objdump::Rpaths;
70bool objdump::Bind;
71bool objdump::LazyBind;
72bool objdump::WeakBind;
73static bool UseDbg;
74static std::string DSYMFile;
75bool objdump::FullLeadingAddr;
76bool objdump::LeadingHeaders;
77bool objdump::UniversalHeaders;
78static bool ArchiveMemberOffsets;
79bool objdump::IndirectSymbols;
80bool objdump::DataInCode;
81bool objdump::FunctionStarts;
82bool objdump::LinkOptHints;
83bool objdump::InfoPlist;
84bool objdump::DylibsUsed;
85bool objdump::DylibId;
86bool objdump::Verbose;
87bool objdump::ObjcMetaData;
88std::string objdump::DisSymName;
89bool objdump::SymbolicOperands;
90static std::vector<std::string> ArchFlags;

92static bool ArchAll = false;
93static std::string ThumbTripleName;

95void objdump::parseMachOOptions(const llvm::opt::InputArgList &InputArgs) {
FirstPrivateHeader = InputArgs.hasArg(OBJDUMP_private_header);
ExportsTrie = InputArgs.hasArg(OBJDUMP_exports_trie);
Rebase = InputArgs.hasArg(OBJDUMP_rebase);
Rpaths = InputArgs.hasArg(OBJDUMP_rpaths);
Bind = InputArgs.hasArg(OBJDUMP_bind);
LazyBind = InputArgs.hasArg(OBJDUMP_lazy_bind);
WeakBind = InputArgs.hasArg(OBJDUMP_weak_bind);
UseDbg = InputArgs.hasArg(OBJDUMP_g);
DSYMFile = InputArgs.getLastArgValue(OBJDUMP_dsym_EQ).str();
FullLeadingAddr = InputArgs.hasArg(OBJDUMP_full_leading_addr);
LeadingHeaders = !InputArgs.hasArg(OBJDUMP_no_leading_headers);
UniversalHeaders = InputArgs.hasArg(OBJDUMP_universal_headers);
ArchiveMemberOffsets = InputArgs.hasArg(OBJDUMP_archive_member_offsets);
IndirectSymbols = InputArgs.hasArg(OBJDUMP_indirect_symbols);
DataInCode = InputArgs.hasArg(OBJDUMP_data_in_code);
FunctionStarts = InputArgs.hasArg(OBJDUMP_function_starts);
LinkOptHints = InputArgs.hasArg(OBJDUMP_link_opt_hints);
InfoPlist = InputArgs.hasArg(OBJDUMP_info_plist);
DylibsUsed = InputArgs.hasArg(OBJDUMP_dylibs_used);
DylibId = InputArgs.hasArg(OBJDUMP_dylib_id);
Verbose = !InputArgs.hasArg(OBJDUMP_non_verbose);
ObjcMetaData = InputArgs.hasArg(OBJDUMP_objc_meta_data);
DisSymName = InputArgs.getLastArgValue(OBJDUMP_dis_symname).str();
SymbolicOperands = !InputArgs.hasArg(OBJDUMP_no_symbolic_operands);
ArchFlags = InputArgs.getAllArgValues(OBJDUMP_arch_EQ);
121}

123static const Target *GetTarget(const MachOObjectFile *MachOObj,
                             const char **McpuDefault,
                             const Target **ThumbTarget) {
// Figure out the target triple.
Triple TT(TripleName);
if (TripleName.empty()) {
  TT = MachOObj->getArchTriple(McpuDefault);
  TripleName = TT.str();
}

if (TT.getArch() == Triple::arm) {
  // We've inferred a 32-bit ARM target from the object file. All MachO CPUs
  // that support ARM are also capable of Thumb mode.
  Triple ThumbTriple = TT;
  std::string ThumbName = (Twine("thumb") + TT.getArchName().substr(3)).str();
  ThumbTriple.setArchName(ThumbName);
  ThumbTripleName = ThumbTriple.str();
}

// Get the target specific parser.
std::string Error;
const Target *TheTarget = TargetRegistry::lookupTarget(TripleName, Error);
if (TheTarget && ThumbTripleName.empty())
  return TheTarget;

*ThumbTarget = TargetRegistry::lookupTarget(ThumbTripleName, Error);
if (*ThumbTarget)
  return TheTarget;

WithColor::error(errs(), "llvm-objdump") << "unable to get target for '";
if (!TheTarget)
  errs() << TripleName;
else
  errs() << ThumbTripleName;
errs() << "', see --version and --triple.\n";
return nullptr;
159}

161namespace {
162struct SymbolSorter {
bool operator()(const SymbolRef &A, const SymbolRef &B) {
  Expected<SymbolRef::Type> ATypeOrErr = A.getType();
  if (!ATypeOrErr)
    reportError(ATypeOrErr.takeError(), A.getObject()->getFileName());
  SymbolRef::Type AType = *ATypeOrErr;
  Expected<SymbolRef::Type> BTypeOrErr = B.getType();
  if (!BTypeOrErr)
    reportError(BTypeOrErr.takeError(), B.getObject()->getFileName());
  SymbolRef::Type BType = *BTypeOrErr;
  uint64_t AAddr =
      (AType != SymbolRef::ST_Function) ? 0 : cantFail(A.getValue());
  uint64_t BAddr =
      (BType != SymbolRef::ST_Function) ? 0 : cantFail(B.getValue());
  return AAddr < BAddr;
}
178};
179} // namespace

181// Types for the storted data in code table that is built before disassembly
182// and the predicate function to sort them.
183typedef std::pair<uint64_t, DiceRef> DiceTableEntry;
184typedef std::vector<DiceTableEntry> DiceTable;
185typedef DiceTable::iterator dice_table_iterator;

187#ifdef LLVM_HAVE_LIBXAR
188namespace {
189struct ScopedXarFile {
xar_t xar;
ScopedXarFile(const char *filename, int32_t flags)
    : xar(xar_open(filename, flags)) {}
~ScopedXarFile() {
  if (xar)
    xar_close(xar);
}
ScopedXarFile(const ScopedXarFile &) = delete;
ScopedXarFile &operator=(const ScopedXarFile &) = delete;
operator xar_t() { return xar; }
200};

202struct ScopedXarIter {
xar_iter_t iter;
ScopedXarIter() : iter(xar_iter_new()) {}
~ScopedXarIter() {
  if (iter)
    xar_iter_free(iter);
}
ScopedXarIter(const ScopedXarIter &) = delete;
ScopedXarIter &operator=(const ScopedXarIter &) = delete;
operator xar_iter_t() { return iter; }
212};
213} // namespace
214#endif // defined(LLVM_HAVE_LIBXAR)

216// This is used to search for a data in code table entry for the PC being
217// disassembled.  The j parameter has the PC in j.first.  A single data in code
218// table entry can cover many bytes for each of its Kind's.  So if the offset,
219// aka the i.first value, of the data in code table entry plus its Length
220// covers the PC being searched for this will return true.  If not it will
221// return false.
222static bool compareDiceTableEntries(const DiceTableEntry &i,
                                  const DiceTableEntry &j) {
uint16_t Length;
i.second.getLength(Length);

return j.first >= i.first && j.first < i.first + Length;
228}

230static uint64_t DumpDataInCode(const uint8_t *bytes, uint64_t Length,
                             unsigned short Kind) {
uint32_t Value, Size = 1;

switch (Kind) {
default:
case MachO::DICE_KIND_DATA:
  if (Length >= 4) {
    if (ShowRawInsn)
      dumpBytes(makeArrayRef(bytes, 4), outs());
    Value = bytes[3] << 24 | bytes[2] << 16 | bytes[1] << 8 | bytes[0];
    outs() << "\t.long " << Value;
    Size = 4;
  } else if (Length >= 2) {
    if (ShowRawInsn)
      dumpBytes(makeArrayRef(bytes, 2), outs());
    Value = bytes[1] << 8 | bytes[0];
    outs() << "\t.short " << Value;
    Size = 2;
  } else {
    if (ShowRawInsn)
      dumpBytes(makeArrayRef(bytes, 2), outs());
    Value = bytes[0];
    outs() << "\t.byte " << Value;
    Size = 1;
  }
  if (Kind == MachO::DICE_KIND_DATA)
    outs() << "\t@ KIND_DATA\n";
  else
    outs() << "\t@ data in code kind = " << Kind << "\n";
  break;
case MachO::DICE_KIND_JUMP_TABLE8:
  if (ShowRawInsn)
    dumpBytes(makeArrayRef(bytes, 1), outs());
  Value = bytes[0];
  outs() << "\t.byte " << format("%3u", Value) << "\t@ KIND_JUMP_TABLE8\n";
  Size = 1;
  break;
case MachO::DICE_KIND_JUMP_TABLE16:
  if (ShowRawInsn)
    dumpBytes(makeArrayRef(bytes, 2), outs());
  Value = bytes[1] << 8 | bytes[0];
  outs() << "\t.short " << format("%5u", Value & 0xffff)
         << "\t@ KIND_JUMP_TABLE16\n";
  Size = 2;
  break;
case MachO::DICE_KIND_JUMP_TABLE32:
case MachO::DICE_KIND_ABS_JUMP_TABLE32:
  if (ShowRawInsn)
    dumpBytes(makeArrayRef(bytes, 4), outs());
  Value = bytes[3] << 24 | bytes[2] << 16 | bytes[1] << 8 | bytes[0];
  outs() << "\t.long " << Value;
  if (Kind == MachO::DICE_KIND_JUMP_TABLE32)
    outs() << "\t@ KIND_JUMP_TABLE32\n";
  else
    outs() << "\t@ KIND_ABS_JUMP_TABLE32\n";
  Size = 4;
  break;
}
return Size;
290}

292static void getSectionsAndSymbols(MachOObjectFile *MachOObj,
                                std::vector<SectionRef> &Sections,
                                std::vector<SymbolRef> &Symbols,
                                SmallVectorImpl<uint64_t> &FoundFns,
                                uint64_t &BaseSegmentAddress) {
const StringRef FileName = MachOObj->getFileName();
for (const SymbolRef &Symbol : MachOObj->symbols()) {
  StringRef SymName = unwrapOrError(Symbol.getName(), FileName);
  if (!SymName.startswith("ltmp"))
    Symbols.push_back(Symbol);
}

append_range(Sections, MachOObj->sections());

bool BaseSegmentAddressSet = false;
for (const auto &Command : MachOObj->load_commands()) {
  if (Command.C.cmd == MachO::LC_FUNCTION_STARTS) {
    // We found a function starts segment, parse the addresses for later
    // consumption.
    MachO::linkedit_data_command LLC =
        MachOObj->getLinkeditDataLoadCommand(Command);

    MachOObj->ReadULEB128s(LLC.dataoff, FoundFns);
  } else if (Command.C.cmd == MachO::LC_SEGMENT) {
    MachO::segment_command SLC = MachOObj->getSegmentLoadCommand(Command);
    StringRef SegName = SLC.segname;
    if (!BaseSegmentAddressSet && SegName != "__PAGEZERO") {
      BaseSegmentAddressSet = true;
      BaseSegmentAddress = SLC.vmaddr;
    }
  } else if (Command.C.cmd == MachO::LC_SEGMENT_64) {
    MachO::segment_command_64 SLC = MachOObj->getSegment64LoadCommand(Command);
    StringRef SegName = SLC.segname;
    if (!BaseSegmentAddressSet && SegName != "__PAGEZERO") {
      BaseSegmentAddressSet = true;
      BaseSegmentAddress = SLC.vmaddr;
    }
  }
}
331}

333static bool DumpAndSkipDataInCode(uint64_t PC, const uint8_t *bytes,
                               DiceTable &Dices, uint64_t &InstSize) {
// Check the data in code table here to see if this is data not an
// instruction to be disassembled.
DiceTable Dice;
Dice.push_back(std::make_pair(PC, DiceRef()));
dice_table_iterator DTI =
    std::search(Dices.begin(), Dices.end(), Dice.begin(), Dice.end(),
                compareDiceTableEntries);
if (DTI != Dices.end()) {
  uint16_t Length;
  DTI->second.getLength(Length);
  uint16_t Kind;
  DTI->second.getKind(Kind);
  InstSize = DumpDataInCode(bytes, Length, Kind);
  if ((Kind == MachO::DICE_KIND_JUMP_TABLE8) &&
      (PC == (DTI->first + Length - 1)) && (Length & 1))
    InstSize++;
  return true;
}
return false;
354}

356static void printRelocationTargetName(const MachOObjectFile *O,
                                    const MachO::any_relocation_info &RE,
                                    raw_string_ostream &Fmt) {
// Target of a scattered relocation is an address.  In the interest of
// generating pretty output, scan through the symbol table looking for a
// symbol that aligns with that address.  If we find one, print it.
// Otherwise, we just print the hex address of the target.
const StringRef FileName = O->getFileName();
if (O->isRelocationScattered(RE)) {
  uint32_t Val = O->getPlainRelocationSymbolNum(RE);

  for (const SymbolRef &Symbol : O->symbols()) {
    uint64_t Addr = unwrapOrError(Symbol.getAddress(), FileName);
    if (Addr != Val)
      continue;
    Fmt << unwrapOrError(Symbol.getName(), FileName);
    return;
  }

  // If we couldn't find a symbol that this relocation refers to, try
  // to find a section beginning instead.
  for (const SectionRef &Section : ToolSectionFilter(*O)) {
    uint64_t Addr = Section.getAddress();
    if (Addr != Val)
      continue;
    StringRef NameOrErr = unwrapOrError(Section.getName(), O->getFileName());
    Fmt << NameOrErr;
    return;
  }

  Fmt << format("0x%x", Val);
  return;
}

StringRef S;
bool isExtern = O->getPlainRelocationExternal(RE);
uint64_t Val = O->getPlainRelocationSymbolNum(RE);

if (O->getAnyRelocationType(RE) == MachO::ARM64_RELOC_ADDEND &&
    (O->getArch() == Triple::aarch64 || O->getArch() == Triple::aarch64_be)) {
  Fmt << format("0x%0" PRIx64"llx", Val);
  return;
}

if (isExtern) {
  symbol_iterator SI = O->symbol_begin();
  std::advance(SI, Val);
  S = unwrapOrError(SI->getName(), FileName);
} else {
  section_iterator SI = O->section_begin();
  // Adjust for the fact that sections are 1-indexed.
  if (Val == 0) {
    Fmt << "0 (?,?)";
    return;
  }
  uint32_t I = Val - 1;
  while (I != 0 && SI != O->section_end()) {
    --I;
    std::advance(SI, 1);
  }
  if (SI == O->section_end()) {
    Fmt << Val << " (?,?)";
  } else {
    if (Expected<StringRef> NameOrErr = SI->getName())
      S = *NameOrErr;
    else
      consumeError(NameOrErr.takeError());
  }
}

Fmt << S;
427}

429Error objdump::getMachORelocationValueString(const MachOObjectFile *Obj,
                                           const RelocationRef &RelRef,
                                           SmallVectorImpl<char> &Result) {
DataRefImpl Rel = RelRef.getRawDataRefImpl();
MachO::any_relocation_info RE = Obj->getRelocation(Rel);

unsigned Arch = Obj->getArch();

std::string FmtBuf;
raw_string_ostream Fmt(FmtBuf);
unsigned Type = Obj->getAnyRelocationType(RE);
bool IsPCRel = Obj->getAnyRelocationPCRel(RE);

// Determine any addends that should be displayed with the relocation.
// These require decoding the relocation type, which is triple-specific.

// X86_64 has entirely custom relocation types.
if (Arch == Triple::x86_64) {
  switch (Type) {
  case MachO::X86_64_RELOC_GOT_LOAD:
  case MachO::X86_64_RELOC_GOT: {
    printRelocationTargetName(Obj, RE, Fmt);
    Fmt << "@GOT";
    if (IsPCRel)
      Fmt << "PCREL";
    break;
  }
  case MachO::X86_64_RELOC_SUBTRACTOR: {
    DataRefImpl RelNext = Rel;
    Obj->moveRelocationNext(RelNext);
    MachO::any_relocation_info RENext = Obj->getRelocation(RelNext);

    // X86_64_RELOC_SUBTRACTOR must be followed by a relocation of type
    // X86_64_RELOC_UNSIGNED.
    // NOTE: Scattered relocations don't exist on x86_64.
    unsigned RType = Obj->getAnyRelocationType(RENext);
    if (RType != MachO::X86_64_RELOC_UNSIGNED)
      reportError(Obj->getFileName(), "Expected X86_64_RELOC_UNSIGNED after "
                                      "X86_64_RELOC_SUBTRACTOR.");

    // The X86_64_RELOC_UNSIGNED contains the minuend symbol;
    // X86_64_RELOC_SUBTRACTOR contains the subtrahend.
    printRelocationTargetName(Obj, RENext, Fmt);
    Fmt << "-";
    printRelocationTargetName(Obj, RE, Fmt);
    break;
  }
  case MachO::X86_64_RELOC_TLV:
    printRelocationTargetName(Obj, RE, Fmt);
    Fmt << "@TLV";
    if (IsPCRel)
      Fmt << "P";
    break;
  case MachO::X86_64_RELOC_SIGNED_1:
    printRelocationTargetName(Obj, RE, Fmt);
    Fmt << "-1";
    break;
  case MachO::X86_64_RELOC_SIGNED_2:
    printRelocationTargetName(Obj, RE, Fmt);
    Fmt << "-2";
    break;
  case MachO::X86_64_RELOC_SIGNED_4:
    printRelocationTargetName(Obj, RE, Fmt);
    Fmt << "-4";
    break;
  default:
    printRelocationTargetName(Obj, RE, Fmt);
    break;
  }
  // X86 and ARM share some relocation types in common.
} else if (Arch == Triple::x86 || Arch == Triple::arm ||
           Arch == Triple::ppc) {
  // Generic relocation types...
  switch (Type) {
  case MachO::GENERIC_RELOC_PAIR: // prints no info
    return Error::success();
  case MachO::GENERIC_RELOC_SECTDIFF: {
    DataRefImpl RelNext = Rel;
    Obj->moveRelocationNext(RelNext);
    MachO::any_relocation_info RENext = Obj->getRelocation(RelNext);

    // X86 sect diff's must be followed by a relocation of type
    // GENERIC_RELOC_PAIR.
    unsigned RType = Obj->getAnyRelocationType(RENext);

    if (RType != MachO::GENERIC_RELOC_PAIR)
      reportError(Obj->getFileName(), "Expected GENERIC_RELOC_PAIR after "
                                      "GENERIC_RELOC_SECTDIFF.");

    printRelocationTargetName(Obj, RE, Fmt);
    Fmt << "-";
    printRelocationTargetName(Obj, RENext, Fmt);
    break;
  }
  }

  if (Arch == Triple::x86 || Arch == Triple::ppc) {
    switch (Type) {
    case MachO::GENERIC_RELOC_LOCAL_SECTDIFF: {
      DataRefImpl RelNext = Rel;
      Obj->moveRelocationNext(RelNext);
      MachO::any_relocation_info RENext = Obj->getRelocation(RelNext);

      // X86 sect diff's must be followed by a relocation of type
      // GENERIC_RELOC_PAIR.
      unsigned RType = Obj->getAnyRelocationType(RENext);
      if (RType != MachO::GENERIC_RELOC_PAIR)
        reportError(Obj->getFileName(), "Expected GENERIC_RELOC_PAIR after "
                                        "GENERIC_RELOC_LOCAL_SECTDIFF.");

      printRelocationTargetName(Obj, RE, Fmt);
      Fmt << "-";
      printRelocationTargetName(Obj, RENext, Fmt);
      break;
    }
    case MachO::GENERIC_RELOC_TLV: {
      printRelocationTargetName(Obj, RE, Fmt);
      Fmt << "@TLV";
      if (IsPCRel)
        Fmt << "P";
      break;
    }
    default:
      printRelocationTargetName(Obj, RE, Fmt);
    }
  } else { // ARM-specific relocations
    switch (Type) {
    case MachO::ARM_RELOC_HALF:
    case MachO::ARM_RELOC_HALF_SECTDIFF: {
      // Half relocations steal a bit from the length field to encode
      // whether this is an upper16 or a lower16 relocation.
      bool isUpper = (Obj->getAnyRelocationLength(RE) & 0x1) == 1;

      if (isUpper)
        Fmt << ":upper16:(";
      else
        Fmt << ":lower16:(";
      printRelocationTargetName(Obj, RE, Fmt);

      DataRefImpl RelNext = Rel;
      Obj->moveRelocationNext(RelNext);
      MachO::any_relocation_info RENext = Obj->getRelocation(RelNext);

      // ARM half relocs must be followed by a relocation of type
      // ARM_RELOC_PAIR.
      unsigned RType = Obj->getAnyRelocationType(RENext);
      if (RType != MachO::ARM_RELOC_PAIR)
        reportError(Obj->getFileName(), "Expected ARM_RELOC_PAIR after "
                                        "ARM_RELOC_HALF");

      // NOTE: The half of the target virtual address is stashed in the
      // address field of the secondary relocation, but we can't reverse
      // engineer the constant offset from it without decoding the movw/movt
      // instruction to find the other half in its immediate field.

      // ARM_RELOC_HALF_SECTDIFF encodes the second section in the
      // symbol/section pointer of the follow-on relocation.
      if (Type == MachO::ARM_RELOC_HALF_SECTDIFF) {
        Fmt << "-";
        printRelocationTargetName(Obj, RENext, Fmt);
      }

      Fmt << ")";
      break;
    }
    default: {
      printRelocationTargetName(Obj, RE, Fmt);
    }
    }
  }
} else
  printRelocationTargetName(Obj, RE, Fmt);

Fmt.flush();
Result.append(FmtBuf.begin(), FmtBuf.end());
return Error::success();
605}

607static void PrintIndirectSymbolTable(MachOObjectFile *O, bool verbose,
                                   uint32_t n, uint32_t count,
                                   uint32_t stride, uint64_t addr) {
MachO::dysymtab_command Dysymtab = O->getDysymtabLoadCommand();
uint32_t nindirectsyms = Dysymtab.nindirectsyms;
if (n > nindirectsyms)
  outs() << " (entries start past the end of the indirect symbol "
            "table) (reserved1 field greater than the table size)";
else if (n + count > nindirectsyms)
  outs() << " (entries extends past the end of the indirect symbol "
            "table)";
outs() << "\n";
uint32_t cputype = O->getHeader().cputype;
if (cputype & MachO::CPU_ARCH_ABI64)
  outs() << "address            index";
else
  outs() << "address    index";
if (verbose)
  outs() << " name\n";
else
  outs() << "\n";
for (uint32_t j = 0; j < count && n + j < nindirectsyms; j++) {
  if (cputype & MachO::CPU_ARCH_ABI64)
    outs() << format("0x%016" PRIx64"llx", addr + j * stride) << " ";
  else
    outs() << format("0x%08" PRIx32"x", (uint32_t)addr + j * stride) << " ";
  MachO::dysymtab_command Dysymtab = O->getDysymtabLoadCommand();
  uint32_t indirect_symbol = O->getIndirectSymbolTableEntry(Dysymtab, n + j);
  if (indirect_symbol == MachO::INDIRECT_SYMBOL_LOCAL) {
    outs() << "LOCAL\n";
    continue;
  }
  if (indirect_symbol ==
      (MachO::INDIRECT_SYMBOL_LOCAL | MachO::INDIRECT_SYMBOL_ABS)) {
    outs() << "LOCAL ABSOLUTE\n";
    continue;
  }
  if (indirect_symbol == MachO::INDIRECT_SYMBOL_ABS) {
    outs() << "ABSOLUTE\n";
    continue;
  }
  outs() << format("%5u ", indirect_symbol);
  if (verbose) {
    MachO::symtab_command Symtab = O->getSymtabLoadCommand();
    if (indirect_symbol < Symtab.nsyms) {
      symbol_iterator Sym = O->getSymbolByIndex(indirect_symbol);
      SymbolRef Symbol = *Sym;
      outs() << unwrapOrError(Symbol.getName(), O->getFileName());
    } else {
      outs() << "?";
    }
  }
  outs() << "\n";
}
661}

663static void PrintIndirectSymbols(MachOObjectFile *O, bool verbose) {
for (const auto &Load : O->load_commands()) {
  if (Load.C.cmd == MachO::LC_SEGMENT_64) {
    MachO::segment_command_64 Seg = O->getSegment64LoadCommand(Load);
    for (unsigned J = 0; J < Seg.nsects; ++J) {
      MachO::section_64 Sec = O->getSection64(Load, J);
      uint32_t section_type = Sec.flags & MachO::SECTION_TYPE;
      if (section_type == MachO::S_NON_LAZY_SYMBOL_POINTERS ||
          section_type == MachO::S_LAZY_SYMBOL_POINTERS ||
          section_type == MachO::S_LAZY_DYLIB_SYMBOL_POINTERS ||
          section_type == MachO::S_THREAD_LOCAL_VARIABLE_POINTERS ||
          section_type == MachO::S_SYMBOL_STUBS) {
        uint32_t stride;
        if (section_type == MachO::S_SYMBOL_STUBS)
          stride = Sec.reserved2;
        else
          stride = 8;
        if (stride == 0) {
          outs() << "Can't print indirect symbols for (" << Sec.segname << ","
                 << Sec.sectname << ") "
                 << "(size of stubs in reserved2 field is zero)\n";
          continue;
        }
        uint32_t count = Sec.size / stride;
        outs() << "Indirect symbols for (" << Sec.segname << ","
               << Sec.sectname << ") " << count << " entries";
        uint32_t n = Sec.reserved1;
        PrintIndirectSymbolTable(O, verbose, n, count, stride, Sec.addr);
      }
    }
  } else if (Load.C.cmd == MachO::LC_SEGMENT) {
    MachO::segment_command Seg = O->getSegmentLoadCommand(Load);
    for (unsigned J = 0; J < Seg.nsects; ++J) {
      MachO::section Sec = O->getSection(Load, J);
      uint32_t section_type = Sec.flags & MachO::SECTION_TYPE;
      if (section_type == MachO::S_NON_LAZY_SYMBOL_POINTERS ||
          section_type == MachO::S_LAZY_SYMBOL_POINTERS ||
          section_type == MachO::S_LAZY_DYLIB_SYMBOL_POINTERS ||
          section_type == MachO::S_THREAD_LOCAL_VARIABLE_POINTERS ||
          section_type == MachO::S_SYMBOL_STUBS) {
        uint32_t stride;
        if (section_type == MachO::S_SYMBOL_STUBS)
          stride = Sec.reserved2;
        else
          stride = 4;
        if (stride == 0) {
          outs() << "Can't print indirect symbols for (" << Sec.segname << ","
                 << Sec.sectname << ") "
                 << "(size of stubs in reserved2 field is zero)\n";
          continue;
        }
        uint32_t count = Sec.size / stride;
        outs() << "Indirect symbols for (" << Sec.segname << ","
               << Sec.sectname << ") " << count << " entries";
        uint32_t n = Sec.reserved1;
        PrintIndirectSymbolTable(O, verbose, n, count, stride, Sec.addr);
      }
    }
  }
}
723}

725static void PrintRType(const uint64_t cputype, const unsigned r_type) {
static char const *generic_r_types[] = {
  "VANILLA ", "PAIR    ", "SECTDIF ", "PBLAPTR ", "LOCSDIF ", "TLV     ",
  "  6 (?) ", "  7 (?) ", "  8 (?) ", "  9 (?) ", " 10 (?) ", " 11 (?) ",
  " 12 (?) ", " 13 (?) ", " 14 (?) ", " 15 (?) "
};
static char const *x86_64_r_types[] = {
  "UNSIGND ", "SIGNED  ", "BRANCH  ", "GOT_LD  ", "GOT     ", "SUB     ",
  "SIGNED1 ", "SIGNED2 ", "SIGNED4 ", "TLV     ", " 10 (?) ", " 11 (?) ",
  " 12 (?) ", " 13 (?) ", " 14 (?) ", " 15 (?) "
};
static char const *arm_r_types[] = {
  "VANILLA ", "PAIR    ", "SECTDIFF", "LOCSDIF ", "PBLAPTR ",
  "BR24    ", "T_BR22  ", "T_BR32  ", "HALF    ", "HALFDIF ",
  " 10 (?) ", " 11 (?) ", " 12 (?) ", " 13 (?) ", " 14 (?) ", " 15 (?) "
};
static char const *arm64_r_types[] = {
  "UNSIGND ", "SUB     ", "BR26    ", "PAGE21  ", "PAGOF12 ",
  "GOTLDP  ", "GOTLDPOF", "PTRTGOT ", "TLVLDP  ", "TLVLDPOF",
  "ADDEND  ", " 11 (?) ", " 12 (?) ", " 13 (?) ", " 14 (?) ", " 15 (?) "
};

if (r_type > 0xf){
  outs() << format("%-7u", r_type) << " ";
  return;
}
switch (cputype) {
  case MachO::CPU_TYPE_I386:
    outs() << generic_r_types[r_type];
    break;
  case MachO::CPU_TYPE_X86_64:
    outs() << x86_64_r_types[r_type];
    break;
  case MachO::CPU_TYPE_ARM:
    outs() << arm_r_types[r_type];
    break;
  case MachO::CPU_TYPE_ARM64:
  case MachO::CPU_TYPE_ARM64_32:
    outs() << arm64_r_types[r_type];
    break;
  default:
    outs() << format("%-7u ", r_type);
}
768}

770static void PrintRLength(const uint64_t cputype, const unsigned r_type,
                       const unsigned r_length, const bool previous_arm_half){
if (cputype == MachO::CPU_TYPE_ARM &&
    (r_type == MachO::ARM_RELOC_HALF ||
     r_type == MachO::ARM_RELOC_HALF_SECTDIFF || previous_arm_half == true)) {
  if ((r_length & 0x1) == 0)
    outs() << "lo/";
  else
    outs() << "hi/";
  if ((r_length & 0x1) == 0)
    outs() << "arm ";
  else
    outs() << "thm ";
} else {
  switch (r_length) {
    case 0:
      outs() << "byte   ";
      break;
    case 1:
      outs() << "word   ";
      break;
    case 2:
      outs() << "long   ";
      break;
    case 3:
      if (cputype == MachO::CPU_TYPE_X86_64)
        outs() << "quad   ";
      else
        outs() << format("?(%2d)  ", r_length);
      break;
    default:
      outs() << format("?(%2d)  ", r_length);
  }
}
804}

806static void PrintRelocationEntries(const MachOObjectFile *O,
                                 const relocation_iterator Begin,
                                 const relocation_iterator End,
                                 const uint64_t cputype,
                                 const bool verbose) {
const MachO::symtab_command Symtab = O->getSymtabLoadCommand();
bool previous_arm_half = false;
bool previous_sectdiff = false;
uint32_t sectdiff_r_type = 0;

for (relocation_iterator Reloc = Begin; Reloc != End; ++Reloc) {
  const DataRefImpl Rel = Reloc->getRawDataRefImpl();
  const MachO::any_relocation_info RE = O->getRelocation(Rel);
  const unsigned r_type = O->getAnyRelocationType(RE);
  const bool r_scattered = O->isRelocationScattered(RE);
  const unsigned r_pcrel = O->getAnyRelocationPCRel(RE);
  const unsigned r_length = O->getAnyRelocationLength(RE);
  const unsigned r_address = O->getAnyRelocationAddress(RE);
  const bool r_extern = (r_scattered ? false :
                         O->getPlainRelocationExternal(RE));
  const uint32_t r_value = (r_scattered ?
                            O->getScatteredRelocationValue(RE) : 0);
  const unsigned r_symbolnum = (r_scattered ? 0 :
                                O->getPlainRelocationSymbolNum(RE));

  if (r_scattered && cputype != MachO::CPU_TYPE_X86_64) {
    if (verbose) {
      // scattered: address
      if ((cputype == MachO::CPU_TYPE_I386 &&
           r_type == MachO::GENERIC_RELOC_PAIR) ||
          (cputype == MachO::CPU_TYPE_ARM && r_type == MachO::ARM_RELOC_PAIR))
        outs() << "         ";
      else
        outs() << format("%08x ", (unsigned int)r_address);

      // scattered: pcrel
      if (r_pcrel)
        outs() << "True  ";
      else
        outs() << "False ";

      // scattered: length
      PrintRLength(cputype, r_type, r_length, previous_arm_half);

      // scattered: extern & type
      outs() << "n/a    ";
      PrintRType(cputype, r_type);

      // scattered: scattered & value
      outs() << format("True      0x%08x", (unsigned int)r_value);
      if (previous_sectdiff == false) {
        if ((cputype == MachO::CPU_TYPE_ARM &&
             r_type == MachO::ARM_RELOC_PAIR))
          outs() << format(" half = 0x%04x ", (unsigned int)r_address);
      } else if (cputype == MachO::CPU_TYPE_ARM &&
                 sectdiff_r_type == MachO::ARM_RELOC_HALF_SECTDIFF)
        outs() << format(" other_half = 0x%04x ", (unsigned int)r_address);
      if ((cputype == MachO::CPU_TYPE_I386 &&
           (r_type == MachO::GENERIC_RELOC_SECTDIFF ||
            r_type == MachO::GENERIC_RELOC_LOCAL_SECTDIFF)) ||
          (cputype == MachO::CPU_TYPE_ARM &&
           (sectdiff_r_type == MachO::ARM_RELOC_SECTDIFF ||
            sectdiff_r_type == MachO::ARM_RELOC_LOCAL_SECTDIFF ||
            sectdiff_r_type == MachO::ARM_RELOC_HALF_SECTDIFF))) {
        previous_sectdiff = true;
        sectdiff_r_type = r_type;
      } else {
        previous_sectdiff = false;
        sectdiff_r_type = 0;
      }
      if (cputype == MachO::CPU_TYPE_ARM &&
          (r_type == MachO::ARM_RELOC_HALF ||
           r_type == MachO::ARM_RELOC_HALF_SECTDIFF))
        previous_arm_half = true;
      else
        previous_arm_half = false;
      outs() << "\n";
    }
    else {
      // scattered: address pcrel length extern type scattered value
      outs() << format("%08x %1d     %-2d     n/a    %-7d 1         0x%08x\n",
                       (unsigned int)r_address, r_pcrel, r_length, r_type,
                       (unsigned int)r_value);
    }
  }
  else {
    if (verbose) {
      // plain: address
      if (cputype == MachO::CPU_TYPE_ARM && r_type == MachO::ARM_RELOC_PAIR)
        outs() << "         ";
      else
        outs() << format("%08x ", (unsigned int)r_address);

      // plain: pcrel
      if (r_pcrel)
        outs() << "True  ";
      else
        outs() << "False ";

      // plain: length
      PrintRLength(cputype, r_type, r_length, previous_arm_half);

      if (r_extern) {
        // plain: extern & type & scattered
        outs() << "True   ";
        PrintRType(cputype, r_type);
        outs() << "False     ";

        // plain: symbolnum/value
        if (r_symbolnum > Symtab.nsyms)
          outs() << format("?(%d)\n", r_symbolnum);
        else {
          SymbolRef Symbol = *O->getSymbolByIndex(r_symbolnum);
          Expected<StringRef> SymNameNext = Symbol.getName();
          const char *name = NULL__null;
          if (SymNameNext)
            name = SymNameNext->data();
          if (name == NULL__null)
            outs() << format("?(%d)\n", r_symbolnum);
          else
            outs() << name << "\n";
        }
      }
      else {
        // plain: extern & type & scattered
        outs() << "False  ";
        PrintRType(cputype, r_type);
        outs() << "False     ";

        // plain: symbolnum/value
        if (cputype == MachO::CPU_TYPE_ARM && r_type == MachO::ARM_RELOC_PAIR)
          outs() << format("other_half = 0x%04x\n", (unsigned int)r_address);
        else if ((cputype == MachO::CPU_TYPE_ARM64 ||
                  cputype == MachO::CPU_TYPE_ARM64_32) &&
                 r_type == MachO::ARM64_RELOC_ADDEND)
          outs() << format("addend = 0x%06x\n", (unsigned int)r_symbolnum);
        else {
          outs() << format("%d ", r_symbolnum);
          if (r_symbolnum == MachO::R_ABS)
            outs() << "R_ABS\n";
          else {
            // in this case, r_symbolnum is actually a 1-based section number
            uint32_t nsects = O->section_end()->getRawDataRefImpl().d.a;
            if (r_symbolnum > 0 && r_symbolnum <= nsects) {
              object::DataRefImpl DRI;
              DRI.d.a = r_symbolnum-1;
              StringRef SegName = O->getSectionFinalSegmentName(DRI);
              if (Expected<StringRef> NameOrErr = O->getSectionName(DRI))
                outs() << "(" << SegName << "," << *NameOrErr << ")\n";
              else
                outs() << "(?,?)\n";
            }
            else {
              outs() << "(?,?)\n";
            }
          }
        }
      }
      if (cputype == MachO::CPU_TYPE_ARM &&
          (r_type == MachO::ARM_RELOC_HALF ||
           r_type == MachO::ARM_RELOC_HALF_SECTDIFF))
        previous_arm_half = true;
      else
        previous_arm_half = false;
    }
    else {
      // plain: address pcrel length extern type scattered symbolnum/section
      outs() << format("%08x %1d     %-2d     %1d      %-7d 0         %d\n",
                       (unsigned int)r_address, r_pcrel, r_length, r_extern,
                       r_type, r_symbolnum);
    }
  }
}
979}

981static void PrintRelocations(const MachOObjectFile *O, const bool verbose) {
const uint64_t cputype = O->getHeader().cputype;
const MachO::dysymtab_command Dysymtab = O->getDysymtabLoadCommand();
if (Dysymtab.nextrel != 0) {
  outs() << "External relocation information " << Dysymtab.nextrel
         << " entries";
  outs() << "\naddress  pcrel length extern type    scattered "
            "symbolnum/value\n";
  PrintRelocationEntries(O, O->extrel_begin(), O->extrel_end(), cputype,
                         verbose);
}
if (Dysymtab.nlocrel != 0) {
  outs() << format("Local relocation information %u entries",
                   Dysymtab.nlocrel);
  outs() << "\naddress  pcrel length extern type    scattered "
            "symbolnum/value\n";
  PrintRelocationEntries(O, O->locrel_begin(), O->locrel_end(), cputype,
                         verbose);
}
for (const auto &Load : O->load_commands()) {
  if (Load.C.cmd == MachO::LC_SEGMENT_64) {
    const MachO::segment_command_64 Seg = O->getSegment64LoadCommand(Load);
    for (unsigned J = 0; J < Seg.nsects; ++J) {
      const MachO::section_64 Sec = O->getSection64(Load, J);
      if (Sec.nreloc != 0) {
        DataRefImpl DRI;
        DRI.d.a = J;
        const StringRef SegName = O->getSectionFinalSegmentName(DRI);
        if (Expected<StringRef> NameOrErr = O->getSectionName(DRI))
          outs() << "Relocation information (" << SegName << "," << *NameOrErr
                 << format(") %u entries", Sec.nreloc);
        else
          outs() << "Relocation information (" << SegName << ",?) "
                 << format("%u entries", Sec.nreloc);
        outs() << "\naddress  pcrel length extern type    scattered "
                  "symbolnum/value\n";
        PrintRelocationEntries(O, O->section_rel_begin(DRI),
                               O->section_rel_end(DRI), cputype, verbose);
      }
    }
  } else if (Load.C.cmd == MachO::LC_SEGMENT) {
    const MachO::segment_command Seg = O->getSegmentLoadCommand(Load);
    for (unsigned J = 0; J < Seg.nsects; ++J) {
      const MachO::section Sec = O->getSection(Load, J);
      if (Sec.nreloc != 0) {
        DataRefImpl DRI;
        DRI.d.a = J;
        const StringRef SegName = O->getSectionFinalSegmentName(DRI);
        if (Expected<StringRef> NameOrErr = O->getSectionName(DRI))
          outs() << "Relocation information (" << SegName << "," << *NameOrErr
                 << format(") %u entries", Sec.nreloc);
        else
          outs() << "Relocation information (" << SegName << ",?) "
                 << format("%u entries", Sec.nreloc);
        outs() << "\naddress  pcrel length extern type    scattered "
                  "symbolnum/value\n";
        PrintRelocationEntries(O, O->section_rel_begin(DRI),
                               O->section_rel_end(DRI), cputype, verbose);
      }
    }
  }
}
1043}

1045static void PrintFunctionStarts(MachOObjectFile *O) {
uint64_t BaseSegmentAddress = 0;
for (const MachOObjectFile::LoadCommandInfo &Command : O->load_commands()) {
  if (Command.C.cmd == MachO::LC_SEGMENT) {
    MachO::segment_command SLC = O->getSegmentLoadCommand(Command);
    if (StringRef(SLC.segname) == "__TEXT") {
      BaseSegmentAddress = SLC.vmaddr;
      break;
    }
  } else if (Command.C.cmd == MachO::LC_SEGMENT_64) {
    MachO::segment_command_64 SLC = O->getSegment64LoadCommand(Command);
    if (StringRef(SLC.segname) == "__TEXT") {
      BaseSegmentAddress = SLC.vmaddr;
      break;
    }
  }
}

SmallVector<uint64_t, 8> FunctionStarts;
for (const MachOObjectFile::LoadCommandInfo &LC : O->load_commands()) {
  if (LC.C.cmd == MachO::LC_FUNCTION_STARTS) {
    MachO::linkedit_data_command FunctionStartsLC =
        O->getLinkeditDataLoadCommand(LC);
    O->ReadULEB128s(FunctionStartsLC.dataoff, FunctionStarts);
    break;
  }
}

for (uint64_t S : FunctionStarts) {
  uint64_t Addr = BaseSegmentAddress + S;
  if (O->is64Bit())
    outs() << format("%016" PRIx64"llx", Addr) << "\n";
  else
    outs() << format("%08" PRIx32"x", static_cast<uint32_t>(Addr)) << "\n";
}
1080}

1082static void PrintDataInCodeTable(MachOObjectFile *O, bool verbose) {
MachO::linkedit_data_command DIC = O->getDataInCodeLoadCommand();
uint32_t nentries = DIC.datasize / sizeof(struct MachO::data_in_code_entry);
outs() << "Data in code table (" << nentries << " entries)\n";
outs() << "offset     length kind\n";
for (dice_iterator DI = O->begin_dices(), DE = O->end_dices(); DI != DE;
     ++DI) {
  uint32_t Offset;
  DI->getOffset(Offset);
  outs() << format("0x%08" PRIx32"x", Offset) << " ";
  uint16_t Length;
  DI->getLength(Length);
  outs() << format("%6u", Length) << " ";
  uint16_t Kind;
  DI->getKind(Kind);
  if (verbose) {
    switch (Kind) {
    case MachO::DICE_KIND_DATA:
      outs() << "DATA";
      break;
    case MachO::DICE_KIND_JUMP_TABLE8:
      outs() << "JUMP_TABLE8";
      break;
    case MachO::DICE_KIND_JUMP_TABLE16:
      outs() << "JUMP_TABLE16";
      break;
    case MachO::DICE_KIND_JUMP_TABLE32:
      outs() << "JUMP_TABLE32";
      break;
    case MachO::DICE_KIND_ABS_JUMP_TABLE32:
      outs() << "ABS_JUMP_TABLE32";
      break;
    default:
      outs() << format("0x%04" PRIx32"x", Kind);
      break;
    }
  } else
    outs() << format("0x%04" PRIx32"x", Kind);
  outs() << "\n";
}
1122}

1124static void PrintLinkOptHints(MachOObjectFile *O) {
MachO::linkedit_data_command LohLC = O->getLinkOptHintsLoadCommand();
const char *loh = O->getData().substr(LohLC.dataoff, 1).data();
uint32_t nloh = LohLC.datasize;
outs() << "Linker optimiztion hints (" << nloh << " total bytes)\n";
for (uint32_t i = 0; i < nloh;) {
  unsigned n;
  uint64_t identifier = decodeULEB128((const uint8_t *)(loh + i), &n);
  i += n;
  outs() << "    identifier " << identifier << " ";
  if (i >= nloh)
    return;
  switch (identifier) {
  case 1:
    outs() << "AdrpAdrp\n";
    break;
  case 2:
    outs() << "AdrpLdr\n";
    break;
  case 3:
    outs() << "AdrpAddLdr\n";
    break;
  case 4:
    outs() << "AdrpLdrGotLdr\n";
    break;
  case 5:
    outs() << "AdrpAddStr\n";
    break;
  case 6:
    outs() << "AdrpLdrGotStr\n";
    break;
  case 7:
    outs() << "AdrpAdd\n";
    break;
  case 8:
    outs() << "AdrpLdrGot\n";
    break;
  default:
    outs() << "Unknown identifier value\n";
    break;
  }
  uint64_t narguments = decodeULEB128((const uint8_t *)(loh + i), &n);
  i += n;
  outs() << "    narguments " << narguments << "\n";
  if (i >= nloh)
    return;

  for (uint32_t j = 0; j < narguments; j++) {
    uint64_t value = decodeULEB128((const uint8_t *)(loh + i), &n);
    i += n;
    outs() << "\tvalue " << format("0x%" PRIx64"llx", value) << "\n";
    if (i >= nloh)
      return;
  }
}
1179}

1181static void PrintDylibs(MachOObjectFile *O, bool JustId) {
unsigned Index = 0;
for (const auto &Load : O->load_commands()) {
  if ((JustId && Load.C.cmd == MachO::LC_ID_DYLIB) ||
      (!JustId && (Load.C.cmd == MachO::LC_ID_DYLIB ||
                   Load.C.cmd == MachO::LC_LOAD_DYLIB ||
                   Load.C.cmd == MachO::LC_LOAD_WEAK_DYLIB ||
                   Load.C.cmd == MachO::LC_REEXPORT_DYLIB ||
                   Load.C.cmd == MachO::LC_LAZY_LOAD_DYLIB ||
                   Load.C.cmd == MachO::LC_LOAD_UPWARD_DYLIB))) {
    MachO::dylib_command dl = O->getDylibIDLoadCommand(Load);
    if (dl.dylib.name < dl.cmdsize) {
      const char *p = (const char *)(Load.Ptr) + dl.dylib.name;
      if (JustId)
        outs() << p << "\n";
      else {
        outs() << "\t" << p;
        outs() << " (compatibility version "
               << ((dl.dylib.compatibility_version >> 16) & 0xffff) << "."
               << ((dl.dylib.compatibility_version >> 8) & 0xff) << "."
               << (dl.dylib.compatibility_version & 0xff) << ",";
        outs() << " current version "
               << ((dl.dylib.current_version >> 16) & 0xffff) << "."
               << ((dl.dylib.current_version >> 8) & 0xff) << "."
               << (dl.dylib.current_version & 0xff);
        if (Load.C.cmd == MachO::LC_LOAD_WEAK_DYLIB)
          outs() << ", weak";
        if (Load.C.cmd == MachO::LC_REEXPORT_DYLIB)
          outs() << ", reexport";
        if (Load.C.cmd == MachO::LC_LOAD_UPWARD_DYLIB)
          outs() << ", upward";
        if (Load.C.cmd == MachO::LC_LAZY_LOAD_DYLIB)
          outs() << ", lazy";
        outs() << ")\n";
      }
    } else {
      outs() << "\tBad offset (" << dl.dylib.name << ") for name of ";
      if (Load.C.cmd == MachO::LC_ID_DYLIB)
        outs() << "LC_ID_DYLIB ";
      else if (Load.C.cmd == MachO::LC_LOAD_DYLIB)
        outs() << "LC_LOAD_DYLIB ";
      else if (Load.C.cmd == MachO::LC_LOAD_WEAK_DYLIB)
        outs() << "LC_LOAD_WEAK_DYLIB ";
      else if (Load.C.cmd == MachO::LC_LAZY_LOAD_DYLIB)
        outs() << "LC_LAZY_LOAD_DYLIB ";
      else if (Load.C.cmd == MachO::LC_REEXPORT_DYLIB)
        outs() << "LC_REEXPORT_DYLIB ";
      else if (Load.C.cmd == MachO::LC_LOAD_UPWARD_DYLIB)
        outs() << "LC_LOAD_UPWARD_DYLIB ";
      else
        outs() << "LC_??? ";
      outs() << "command " << Index++ << "\n";
    }
  }
}
1236}

1238static void printRpaths(MachOObjectFile *O) {
for (const auto &Command : O->load_commands()) {
  if (Command.C.cmd == MachO::LC_RPATH) {
    auto Rpath = O->getRpathCommand(Command);
    const char *P = (const char *)(Command.Ptr) + Rpath.path;
    outs() << P << "\n";
  }
}
1246}

1248typedef DenseMap<uint64_t, StringRef> SymbolAddressMap;

1250static void CreateSymbolAddressMap(MachOObjectFile *O,
                                 SymbolAddressMap *AddrMap) {
// Create a map of symbol addresses to symbol names.
const StringRef FileName = O->getFileName();
for (const SymbolRef &Symbol : O->symbols()) {
  SymbolRef::Type ST = unwrapOrError(Symbol.getType(), FileName);
  if (ST == SymbolRef::ST_Function || ST == SymbolRef::ST_Data ||
      ST == SymbolRef::ST_Other) {
    uint64_t Address = cantFail(Symbol.getValue());
    StringRef SymName = unwrapOrError(Symbol.getName(), FileName);
    if (!SymName.startswith(".objc"))
      (*AddrMap)[Address] = SymName;
  }
}
1264}

1266// GuessSymbolName is passed the address of what might be a symbol and a
1267// pointer to the SymbolAddressMap.  It returns the name of a symbol
1268// with that address or nullptr if no symbol is found with that address.
1269static const char *GuessSymbolName(uint64_t value, SymbolAddressMap *AddrMap) {
const char *SymbolName = nullptr;
// A DenseMap can't lookup up some values.
if (value != 0xffffffffffffffffULL && value != 0xfffffffffffffffeULL) {
  StringRef name = AddrMap->lookup(value);
  if (!name.empty())
    SymbolName = name.data();
}
return SymbolName;
1278}

1280static void DumpCstringChar(const char c) {
char p[2];
p[0] = c;
p[1] = '\0';
outs().write_escaped(p);
1285}

1287static void DumpCstringSection(MachOObjectFile *O, const char *sect,
                             uint32_t sect_size, uint64_t sect_addr,
                             bool print_addresses) {
for (uint32_t i = 0; i < sect_size; i++) {
  if (print_addresses) {
    if (O->is64Bit())
      outs() << format("%016" PRIx64"llx", sect_addr + i) << "  ";
    else
      outs() << format("%08" PRIx64"llx", sect_addr + i) << "  ";
  }
  for (; i < sect_size && sect[i] != '\0'; i++)
    DumpCstringChar(sect[i]);
  if (i < sect_size && sect[i] == '\0')
    outs() << "\n";
}
1302}

1304static void DumpLiteral4(uint32_t l, float f) {
outs() << format("0x%08" PRIx32"x", l);
if ((l & 0x7f800000) != 0x7f800000)
  outs() << format(" (%.16e)\n", f);
else {
  if (l == 0x7f800000)
    outs() << " (+Infinity)\n";
  else if (l == 0xff800000)
    outs() << " (-Infinity)\n";
  else if ((l & 0x00400000) == 0x00400000)
    outs() << " (non-signaling Not-a-Number)\n";
  else
    outs() << " (signaling Not-a-Number)\n";
}
1318}

1320static void DumpLiteral4Section(MachOObjectFile *O, const char *sect,
                              uint32_t sect_size, uint64_t sect_addr,
                              bool print_addresses) {
for (uint32_t i = 0; i < sect_size; i += sizeof(float)) {
  if (print_addresses) {
    if (O->is64Bit())
      outs() << format("%016" PRIx64"llx", sect_addr + i) << "  ";
    else
      outs() << format("%08" PRIx64"llx", sect_addr + i) << "  ";
  }
  float f;
  memcpy(&f, sect + i, sizeof(float));
  if (O->isLittleEndian() != sys::IsLittleEndianHost)
    sys::swapByteOrder(f);
  uint32_t l;
  memcpy(&l, sect + i, sizeof(uint32_t));
  if (O->isLittleEndian() != sys::IsLittleEndianHost)
    sys::swapByteOrder(l);
  DumpLiteral4(l, f);
}
1340}

1342static void DumpLiteral8(MachOObjectFile *O, uint32_t l0, uint32_t l1,
                       double d) {
outs() << format("0x%08" PRIx32"x", l0) << " " << format("0x%08" PRIx32"x", l1);
uint32_t Hi, Lo;
Hi = (O->isLittleEndian()) ? l1 : l0;
Lo = (O->isLittleEndian()) ? l0 : l1;

// Hi is the high word, so this is equivalent to if(isfinite(d))
if ((Hi & 0x7ff00000) != 0x7ff00000)
  outs() << format(" (%.16e)\n", d);
else {
  if (Hi == 0x7ff00000 && Lo == 0)
    outs() << " (+Infinity)\n";
  else if (Hi == 0xfff00000 && Lo == 0)
    outs() << " (-Infinity)\n";
  else if ((Hi & 0x00080000) == 0x00080000)
    outs() << " (non-signaling Not-a-Number)\n";
  else
    outs() << " (signaling Not-a-Number)\n";
}
1362}

1364static void DumpLiteral8Section(MachOObjectFile *O, const char *sect,
                              uint32_t sect_size, uint64_t sect_addr,
                              bool print_addresses) {
for (uint32_t i = 0; i < sect_size; i += sizeof(double)) {
  if (print_addresses) {
    if (O->is64Bit())
      outs() << format("%016" PRIx64"llx", sect_addr + i) << "  ";
    else
      outs() << format("%08" PRIx64"llx", sect_addr + i) << "  ";
  }
  double d;
  memcpy(&d, sect + i, sizeof(double));
  if (O->isLittleEndian() != sys::IsLittleEndianHost)
    sys::swapByteOrder(d);
  uint32_t l0, l1;
  memcpy(&l0, sect + i, sizeof(uint32_t));
  memcpy(&l1, sect + i + sizeof(uint32_t), sizeof(uint32_t));
  if (O->isLittleEndian() != sys::IsLittleEndianHost) {
    sys::swapByteOrder(l0);
    sys::swapByteOrder(l1);
  }
  DumpLiteral8(O, l0, l1, d);
}
1387}

1389static void DumpLiteral16(uint32_t l0, uint32_t l1, uint32_t l2, uint32_t l3) {
outs() << format("0x%08" PRIx32"x", l0) << " ";
outs() << format("0x%08" PRIx32"x", l1) << " ";
outs() << format("0x%08" PRIx32"x", l2) << " ";
outs() << format("0x%08" PRIx32"x", l3) << "\n";
1394}

1396static void DumpLiteral16Section(MachOObjectFile *O, const char *sect,
                               uint32_t sect_size, uint64_t sect_addr,
                               bool print_addresses) {
for (uint32_t i = 0; i < sect_size; i += 16) {
  if (print_addresses) {
    if (O->is64Bit())
      outs() << format("%016" PRIx64"llx", sect_addr + i) << "  ";
    else
      outs() << format("%08" PRIx64"llx", sect_addr + i) << "  ";
  }
  uint32_t l0, l1, l2, l3;
  memcpy(&l0, sect + i, sizeof(uint32_t));
  memcpy(&l1, sect + i + sizeof(uint32_t), sizeof(uint32_t));
  memcpy(&l2, sect + i + 2 * sizeof(uint32_t), sizeof(uint32_t));
  memcpy(&l3, sect + i + 3 * sizeof(uint32_t), sizeof(uint32_t));
  if (O->isLittleEndian() != sys::IsLittleEndianHost) {
    sys::swapByteOrder(l0);
    sys::swapByteOrder(l1);
    sys::swapByteOrder(l2);
    sys::swapByteOrder(l3);
  }
  DumpLiteral16(l0, l1, l2, l3);
}
1419}

1421static void DumpLiteralPointerSection(MachOObjectFile *O,
                                    const SectionRef &Section,
                                    const char *sect, uint32_t sect_size,
                                    uint64_t sect_addr,
                                    bool print_addresses) {
// Collect the literal sections in this Mach-O file.
std::vector<SectionRef> LiteralSections;
for (const SectionRef &Section : O->sections()) {
  DataRefImpl Ref = Section.getRawDataRefImpl();
  uint32_t section_type;
  if (O->is64Bit()) {
    const MachO::section_64 Sec = O->getSection64(Ref);
    section_type = Sec.flags & MachO::SECTION_TYPE;
  } else {
    const MachO::section Sec = O->getSection(Ref);
    section_type = Sec.flags & MachO::SECTION_TYPE;
  }
  if (section_type == MachO::S_CSTRING_LITERALS ||
      section_type == MachO::S_4BYTE_LITERALS ||
      section_type == MachO::S_8BYTE_LITERALS ||
      section_type == MachO::S_16BYTE_LITERALS)
    LiteralSections.push_back(Section);
}

// Set the size of the literal pointer.
uint32_t lp_size = O->is64Bit() ? 8 : 4;

// Collect the external relocation symbols for the literal pointers.
std::vector<std::pair<uint64_t, SymbolRef>> Relocs;
for (const RelocationRef &Reloc : Section.relocations()) {
  DataRefImpl Rel;
  MachO::any_relocation_info RE;
  bool isExtern = false;
  Rel = Reloc.getRawDataRefImpl();
  RE = O->getRelocation(Rel);
  isExtern = O->getPlainRelocationExternal(RE);
  if (isExtern) {
    uint64_t RelocOffset = Reloc.getOffset();
    symbol_iterator RelocSym = Reloc.getSymbol();
    Relocs.push_back(std::make_pair(RelocOffset, *RelocSym));
  }
}
array_pod_sort(Relocs.begin(), Relocs.end());

// Dump each literal pointer.
for (uint32_t i = 0; i < sect_size; i += lp_size) {
  if (print_addresses) {
    if (O->is64Bit())
      outs() << format("%016" PRIx64"llx", sect_addr + i) << "  ";
    else
      outs() << format("%08" PRIx64"llx", sect_addr + i) << "  ";
  }
  uint64_t lp;
  if (O->is64Bit()) {
    memcpy(&lp, sect + i, sizeof(uint64_t));
    if (O->isLittleEndian() != sys::IsLittleEndianHost)
      sys::swapByteOrder(lp);
  } else {
    uint32_t li;
    memcpy(&li, sect + i, sizeof(uint32_t));
    if (O->isLittleEndian() != sys::IsLittleEndianHost)
      sys::swapByteOrder(li);
    lp = li;
  }

  // First look for an external relocation entry for this literal pointer.
  auto Reloc = find_if(Relocs, [&](const std::pair<uint64_t, SymbolRef> &P) {
    return P.first == i;
  });
  if (Reloc != Relocs.end()) {
    symbol_iterator RelocSym = Reloc->second;
    StringRef SymName = unwrapOrError(RelocSym->getName(), O->getFileName());
    outs() << "external relocation entry for symbol:" << SymName << "\n";
    continue;
  }

  // For local references see what the section the literal pointer points to.
  auto Sect = find_if(LiteralSections, [&](const SectionRef &R) {
    return lp >= R.getAddress() && lp < R.getAddress() + R.getSize();
  });
  if (Sect == LiteralSections.end()) {
    outs() << format("0x%" PRIx64"llx", lp) << " (not in a literal section)\n";
    continue;
  }

  uint64_t SectAddress = Sect->getAddress();
  uint64_t SectSize = Sect->getSize();

  StringRef SectName;
  Expected<StringRef> SectNameOrErr = Sect->getName();
  if (SectNameOrErr)
    SectName = *SectNameOrErr;
  else
    consumeError(SectNameOrErr.takeError());

  DataRefImpl Ref = Sect->getRawDataRefImpl();
  StringRef SegmentName = O->getSectionFinalSegmentName(Ref);
  outs() << SegmentName << ":" << SectName << ":";

  uint32_t section_type;
  if (O->is64Bit()) {
    const MachO::section_64 Sec = O->getSection64(Ref);
    section_type = Sec.flags & MachO::SECTION_TYPE;
  } else {
    const MachO::section Sec = O->getSection(Ref);
    section_type = Sec.flags & MachO::SECTION_TYPE;
  }

  StringRef BytesStr = unwrapOrError(Sect->getContents(), O->getFileName());

  const char *Contents = reinterpret_cast<const char *>(BytesStr.data());

  switch (section_type) {
  case MachO::S_CSTRING_LITERALS:
    for (uint64_t i = lp - SectAddress; i < SectSize && Contents[i] != '\0';
         i++) {
      DumpCstringChar(Contents[i]);
    }
    outs() << "\n";
    break;
  case MachO::S_4BYTE_LITERALS:
    float f;
    memcpy(&f, Contents + (lp - SectAddress), sizeof(float));
    uint32_t l;
    memcpy(&l, Contents + (lp - SectAddress), sizeof(uint32_t));
    if (O->isLittleEndian() != sys::IsLittleEndianHost) {
      sys::swapByteOrder(f);
      sys::swapByteOrder(l);
    }
    DumpLiteral4(l, f);
    break;
  case MachO::S_8BYTE_LITERALS: {
    double d;
    memcpy(&d, Contents + (lp - SectAddress), sizeof(double));
    uint32_t l0, l1;
    memcpy(&l0, Contents + (lp - SectAddress), sizeof(uint32_t));
    memcpy(&l1, Contents + (lp - SectAddress) + sizeof(uint32_t),
           sizeof(uint32_t));
    if (O->isLittleEndian() != sys::IsLittleEndianHost) {
      sys::swapByteOrder(f);
      sys::swapByteOrder(l0);
      sys::swapByteOrder(l1);
    }
    DumpLiteral8(O, l0, l1, d);
    break;
  }
  case MachO::S_16BYTE_LITERALS: {
    uint32_t l0, l1, l2, l3;
    memcpy(&l0, Contents + (lp - SectAddress), sizeof(uint32_t));
    memcpy(&l1, Contents + (lp - SectAddress) + sizeof(uint32_t),
           sizeof(uint32_t));
    memcpy(&l2, Contents + (lp - SectAddress) + 2 * sizeof(uint32_t),
           sizeof(uint32_t));
    memcpy(&l3, Contents + (lp - SectAddress) + 3 * sizeof(uint32_t),
           sizeof(uint32_t));
    if (O->isLittleEndian() != sys::IsLittleEndianHost) {
      sys::swapByteOrder(l0);
      sys::swapByteOrder(l1);
      sys::swapByteOrder(l2);
      sys::swapByteOrder(l3);
    }
    DumpLiteral16(l0, l1, l2, l3);
    break;
  }
  }
}
1587}

1589static void DumpInitTermPointerSection(MachOObjectFile *O,
                                     const SectionRef &Section,
                                     const char *sect,
                                     uint32_t sect_size, uint64_t sect_addr,
                                     SymbolAddressMap *AddrMap,
                                     bool verbose) {
uint32_t stride;
stride = (O->is64Bit()) ? sizeof(uint64_t) : sizeof(uint32_t);

// Collect the external relocation symbols for the pointers.
std::vector<std::pair<uint64_t, SymbolRef>> Relocs;
for (const RelocationRef &Reloc : Section.relocations()) {
  DataRefImpl Rel;
  MachO::any_relocation_info RE;
  bool isExtern = false;
  Rel = Reloc.getRawDataRefImpl();
  RE = O->getRelocation(Rel);
  isExtern = O->getPlainRelocationExternal(RE);
  if (isExtern) {
    uint64_t RelocOffset = Reloc.getOffset();
    symbol_iterator RelocSym = Reloc.getSymbol();
    Relocs.push_back(std::make_pair(RelocOffset, *RelocSym));
  }
}
array_pod_sort(Relocs.begin(), Relocs.end());

for (uint32_t i = 0; i < sect_size; i += stride) {
  const char *SymbolName = nullptr;
  uint64_t p;
  if (O->is64Bit()) {
    outs() << format("0x%016" PRIx64"llx", sect_addr + i * stride) << " ";
    uint64_t pointer_value;
    memcpy(&pointer_value, sect + i, stride);
    if (O->isLittleEndian() != sys::IsLittleEndianHost)
      sys::swapByteOrder(pointer_value);
    outs() << format("0x%016" PRIx64"llx", pointer_value);
    p = pointer_value;
  } else {
    outs() << format("0x%08" PRIx64"llx", sect_addr + i * stride) << " ";
    uint32_t pointer_value;
    memcpy(&pointer_value, sect + i, stride);
    if (O->isLittleEndian() != sys::IsLittleEndianHost)
      sys::swapByteOrder(pointer_value);
    outs() << format("0x%08" PRIx32"x", pointer_value);
    p = pointer_value;
  }
  if (verbose) {
    // First look for an external relocation entry for this pointer.
    auto Reloc = find_if(Relocs, [&](const std::pair<uint64_t, SymbolRef> &P) {
      return P.first == i;
    });
    if (Reloc != Relocs.end()) {
      symbol_iterator RelocSym = Reloc->second;
      outs() << " " << unwrapOrError(RelocSym->getName(), O->getFileName());
    } else {
      SymbolName = GuessSymbolName(p, AddrMap);
      if (SymbolName)
        outs() << " " << SymbolName;
    }
  }
  outs() << "\n";
}
1651}

1653static void DumpRawSectionContents(MachOObjectFile *O, const char *sect,
                                 uint32_t size, uint64_t addr) {
uint32_t cputype = O->getHeader().cputype;
if (cputype == MachO::CPU_TYPE_I386 || cputype == MachO::CPU_TYPE_X86_64) {
  uint32_t j;
  for (uint32_t i = 0; i < size; i += j, addr += j) {
    if (O->is64Bit())
      outs() << format("%016" PRIx64"llx", addr) << "\t";
    else
      outs() << format("%08" PRIx64"llx", addr) << "\t";
    for (j = 0; j < 16 && i + j < size; j++) {
      uint8_t byte_word = *(sect + i + j);
      outs() << format("%02" PRIx32"x", (uint32_t)byte_word) << " ";
    }
    outs() << "\n";
  }
} else {
  uint32_t j;
  for (uint32_t i = 0; i < size; i += j, addr += j) {
    if (O->is64Bit())
      outs() << format("%016" PRIx64"llx", addr) << "\t";
    else
      outs() << format("%08" PRIx64"llx", addr) << "\t";
    for (j = 0; j < 4 * sizeof(int32_t) && i + j < size;
         j += sizeof(int32_t)) {
      if (i + j + sizeof(int32_t) <= size) {
        uint32_t long_word;
        memcpy(&long_word, sect + i + j, sizeof(int32_t));
        if (O->isLittleEndian() != sys::IsLittleEndianHost)
          sys::swapByteOrder(long_word);
        outs() << format("%08" PRIx32"x", long_word) << " ";
      } else {
        for (uint32_t k = 0; i + j + k < size; k++) {
          uint8_t byte_word = *(sect + i + j + k);
          outs() << format("%02" PRIx32"x", (uint32_t)byte_word) << " ";
        }
      }
    }
    outs() << "\n";
  }
}
1694}

1696static void DisassembleMachO(StringRef Filename, MachOObjectFile *MachOOF,
                           StringRef DisSegName, StringRef DisSectName);
1698static void DumpProtocolSection(MachOObjectFile *O, const char *sect,
                              uint32_t size, uint32_t addr);
1700#ifdef LLVM_HAVE_LIBXAR
1701static void DumpBitcodeSection(MachOObjectFile *O, const char *sect,
                              uint32_t size, bool verbose,
                              bool PrintXarHeader, bool PrintXarFileHeaders,
                              std::string XarMemberName);
1705#endif // defined(LLVM_HAVE_LIBXAR)

1707static void DumpSectionContents(StringRef Filename, MachOObjectFile *O,
                              bool verbose) {
SymbolAddressMap AddrMap;
if (verbose)
  CreateSymbolAddressMap(O, &AddrMap);

for (unsigned i = 0; i < FilterSections.size(); ++i) {
  StringRef DumpSection = FilterSections[i];
  std::pair<StringRef, StringRef> DumpSegSectName;
  DumpSegSectName = DumpSection.split(',');
  StringRef DumpSegName, DumpSectName;
  if (!DumpSegSectName.second.empty()) {
    DumpSegName = DumpSegSectName.first;
    DumpSectName = DumpSegSectName.second;
  } else {
    DumpSegName = "";
    DumpSectName = DumpSegSectName.first;
  }
  for (const SectionRef &Section : O->sections()) {
    StringRef SectName;
    Expected<StringRef> SecNameOrErr = Section.getName();
    if (SecNameOrErr)
      SectName = *SecNameOrErr;
    else
      consumeError(SecNameOrErr.takeError());

    if (!DumpSection.empty())
      FoundSectionSet.insert(DumpSection);

    DataRefImpl Ref = Section.getRawDataRefImpl();
    StringRef SegName = O->getSectionFinalSegmentName(Ref);
    if ((DumpSegName.empty() || SegName == DumpSegName) &&
        (SectName == DumpSectName)) {

      uint32_t section_flags;
      if (O->is64Bit()) {
        const MachO::section_64 Sec = O->getSection64(Ref);
        section_flags = Sec.flags;

      } else {
        const MachO::section Sec = O->getSection(Ref);
        section_flags = Sec.flags;
      }
      uint32_t section_type = section_flags & MachO::SECTION_TYPE;

      StringRef BytesStr =
          unwrapOrError(Section.getContents(), O->getFileName());
      const char *sect = reinterpret_cast<const char *>(BytesStr.data());
      uint32_t sect_size = BytesStr.size();
      uint64_t sect_addr = Section.getAddress();

      if (LeadingHeaders)
        outs() << "Contents of (" << SegName << "," << SectName
               << ") section\n";

      if (verbose) {
        if ((section_flags & MachO::S_ATTR_PURE_INSTRUCTIONS) ||
            (section_flags & MachO::S_ATTR_SOME_INSTRUCTIONS)) {
          DisassembleMachO(Filename, O, SegName, SectName);
          continue;
        }
        if (SegName == "__TEXT" && SectName == "__info_plist") {
          outs() << sect;
          continue;
        }
        if (SegName == "__OBJC" && SectName == "__protocol") {
          DumpProtocolSection(O, sect, sect_size, sect_addr);
          continue;
        }
1776#ifdef LLVM_HAVE_LIBXAR
        if (SegName == "__LLVM" && SectName == "__bundle") {
          DumpBitcodeSection(O, sect, sect_size, verbose, SymbolicOperands,
                             ArchiveHeaders, "");
          continue;
        }
1782#endif // defined(LLVM_HAVE_LIBXAR)
        switch (section_type) {
        case MachO::S_REGULAR:
          DumpRawSectionContents(O, sect, sect_size, sect_addr);
          break;
        case MachO::S_ZEROFILL:
          outs() << "zerofill section and has no contents in the file\n";
          break;
        case MachO::S_CSTRING_LITERALS:
          DumpCstringSection(O, sect, sect_size, sect_addr, LeadingAddr);
          break;
        case MachO::S_4BYTE_LITERALS:
          DumpLiteral4Section(O, sect, sect_size, sect_addr, LeadingAddr);
          break;
        case MachO::S_8BYTE_LITERALS:
          DumpLiteral8Section(O, sect, sect_size, sect_addr, LeadingAddr);
          break;
        case MachO::S_16BYTE_LITERALS:
          DumpLiteral16Section(O, sect, sect_size, sect_addr, LeadingAddr);
          break;
        case MachO::S_LITERAL_POINTERS:
          DumpLiteralPointerSection(O, Section, sect, sect_size, sect_addr,
                                    LeadingAddr);
          break;
        case MachO::S_MOD_INIT_FUNC_POINTERS:
        case MachO::S_MOD_TERM_FUNC_POINTERS:
          DumpInitTermPointerSection(O, Section, sect, sect_size, sect_addr,
                                     &AddrMap, verbose);
          break;
        default:
          outs() << "Unknown section type ("
                 << format("0x%08" PRIx32"x", section_type) << ")\n";
          DumpRawSectionContents(O, sect, sect_size, sect_addr);
          break;
        }
      } else {
        if (section_type == MachO::S_ZEROFILL)
          outs() << "zerofill section and has no contents in the file\n";
        else
          DumpRawSectionContents(O, sect, sect_size, sect_addr);
      }
    }
  }
}
1826}

1828static void DumpInfoPlistSectionContents(StringRef Filename,
                                       MachOObjectFile *O) {
for (const SectionRef &Section : O->sections()) {
  StringRef SectName;
  Expected<StringRef> SecNameOrErr = Section.getName();
  if (SecNameOrErr)
    SectName = *SecNameOrErr;
  else
    consumeError(SecNameOrErr.takeError());

  DataRefImpl Ref = Section.getRawDataRefImpl();
  StringRef SegName = O->getSectionFinalSegmentName(Ref);
  if (SegName == "__TEXT" && SectName == "__info_plist") {
    if (LeadingHeaders)
      outs() << "Contents of (" << SegName << "," << SectName << ") section\n";
    StringRef BytesStr =
        unwrapOrError(Section.getContents(), O->getFileName());
    const char *sect = reinterpret_cast<const char *>(BytesStr.data());
    outs() << format("%.*s", BytesStr.size(), sect) << "\n";
    return;
  }
}
1850}

1852// checkMachOAndArchFlags() checks to see if the ObjectFile is a Mach-O file
1853// and if it is and there is a list of architecture flags is specified then
1854// check to make sure this Mach-O file is one of those architectures or all
1855// architectures were specified.  If not then an error is generated and this
1856// routine returns false.  Else it returns true.
1857static bool checkMachOAndArchFlags(ObjectFile *O, StringRef Filename) {
auto *MachO = dyn_cast<MachOObjectFile>(O);

if (!MachO || ArchAll || ArchFlags.empty())
  return true;

MachO::mach_header H;
MachO::mach_header_64 H_64;
Triple T;
const char *McpuDefault, *ArchFlag;
if (MachO->is64Bit()) {
  H_64 = MachO->MachOObjectFile::getHeader64();
  T = MachOObjectFile::getArchTriple(H_64.cputype, H_64.cpusubtype,
                                     &McpuDefault, &ArchFlag);
} else {
  H = MachO->MachOObjectFile::getHeader();
  T = MachOObjectFile::getArchTriple(H.cputype, H.cpusubtype,
                                     &McpuDefault, &ArchFlag);
}
const std::string ArchFlagName(ArchFlag);
if (!llvm::is_contained(ArchFlags, ArchFlagName)) {
  WithColor::error(errs(), "llvm-objdump")
      << Filename << ": no architecture specified.\n";
  return false;
}
return true;
1883}

1885static void printObjcMetaData(MachOObjectFile *O, bool verbose);

1887// ProcessMachO() is passed a single opened Mach-O file, which may be an
1888// archive member and or in a slice of a universal file.  It prints the
1889// the file name and header info and then processes it according to the
1890// command line options.
1891static void ProcessMachO(StringRef Name, MachOObjectFile *MachOOF,
                       StringRef ArchiveMemberName = StringRef(),
                       StringRef ArchitectureName = StringRef()) {
// If we are doing some processing here on the Mach-O file print the header
// info.  And don't print it otherwise like in the case of printing the
// UniversalHeaders or ArchiveHeaders.
if (Disassemble || Relocations || PrivateHeaders || ExportsTrie || Rebase ||
12
←
Assuming 'Disassemble' is false→
13
←
Assuming 'Relocations' is false→
14
←
Assuming 'PrivateHeaders' is false→
15
←
Assuming 'ExportsTrie' is false→
16
←
Assuming 'Rebase' is false→
30
←
Taking false branch→
    Bind || SymbolTable || LazyBind || WeakBind || IndirectSymbols ||
17
←
Assuming 'Bind' is false→
18
←
Assuming 'SymbolTable' is false→
19
←
Assuming 'LazyBind' is false→
20
←
Assuming 'WeakBind' is false→
21
←
Assuming 'IndirectSymbols' is false→
    DataInCode || FunctionStarts || LinkOptHints || DylibsUsed || DylibId ||
22
←
Assuming 'DataInCode' is false→
23
←
Assuming 'FunctionStarts' is false→
24
←
Assuming 'LinkOptHints' is false→
25
←
Assuming 'DylibsUsed' is false→
26
←
Assuming 'DylibId' is false→
    Rpaths || ObjcMetaData || (!FilterSections.empty())) {
27
←
Assuming 'Rpaths' is false→
28
←
Assuming 'ObjcMetaData' is false→
29
←
Assuming the condition is false→
  if (LeadingHeaders) {
    outs() << Name;
    if (!ArchiveMemberName.empty())
      outs() << '(' << ArchiveMemberName << ')';
    if (!ArchitectureName.empty())
      outs() << " (architecture " << ArchitectureName << ")";
    outs() << ":\n";
  }
}
// To use the report_error() form with an ArchiveName and FileName set
// these up based on what is passed for Name and ArchiveMemberName.
StringRef ArchiveName;
StringRef FileName;
if (!ArchiveMemberName.empty()) {
31
←
Assuming the condition is false→
32
←
Taking false branch→
  ArchiveName = Name;
  FileName = ArchiveMemberName;
} else {
  ArchiveName = StringRef();
  FileName = Name;
}

// If we need the symbol table to do the operation then check it here to
// produce a good error message as to where the Mach-O file comes from in
// the error message.
if (Disassemble || IndirectSymbols || !FilterSections.empty() || UnwindInfo)
33
←
Assuming 'Disassemble' is false→
34
←
Assuming 'IndirectSymbols' is false→
35
←
Assuming the condition is false→
36
←
Assuming 'UnwindInfo' is false→
37
←
Taking false branch→
  if (Error Err = MachOOF->checkSymbolTable())
    reportError(std::move(Err), FileName, ArchiveName, ArchitectureName);

if (DisassembleAll) {
38
←
Assuming 'DisassembleAll' is false→
39
←
Taking false branch→
  for (const SectionRef &Section : MachOOF->sections()) {
    StringRef SectName;
    if (Expected<StringRef> NameOrErr = Section.getName())
      SectName = *NameOrErr;
    else
      consumeError(NameOrErr.takeError());

    if (SectName.equals("__text")) {
      DataRefImpl Ref = Section.getRawDataRefImpl();
      StringRef SegName = MachOOF->getSectionFinalSegmentName(Ref);
      DisassembleMachO(FileName, MachOOF, SegName, SectName);
    }
  }
}
else if (Disassemble39.1
'Disassemble' is false
) {
40
←
Taking false branch→
  if (MachOOF->getHeader().filetype == MachO::MH_KEXT_BUNDLE &&
      MachOOF->getHeader().cputype == MachO::CPU_TYPE_ARM64)
    DisassembleMachO(FileName, MachOOF, "__TEXT_EXEC", "__text");
  else
    DisassembleMachO(FileName, MachOOF, "__TEXT", "__text");
}
if (IndirectSymbols40.1
'IndirectSymbols' is false
)
41
←
Taking false branch→
  PrintIndirectSymbols(MachOOF, Verbose);
if (DataInCode)
42
←
Assuming 'DataInCode' is false→
43
←
Taking false branch→
  PrintDataInCodeTable(MachOOF, Verbose);
if (FunctionStarts)
44
←
Assuming 'FunctionStarts' is false→
45
←
Taking false branch→
  PrintFunctionStarts(MachOOF);
if (LinkOptHints)
46
←
Assuming 'LinkOptHints' is false→
47
←
Taking false branch→
  PrintLinkOptHints(MachOOF);
if (Relocations)
48
←
Assuming 'Relocations' is false→
49
←
Taking false branch→
  PrintRelocations(MachOOF, Verbose);
if (SectionHeaders)
50
←
Assuming 'SectionHeaders' is false→
51
←
Taking false branch→
  printSectionHeaders(MachOOF);
if (SectionContents)
52
←
Assuming 'SectionContents' is false→
53
←
Taking false branch→
  printSectionContents(MachOOF);
if (!FilterSections.empty())
54
←
Assuming the condition is false→
55
←
Taking false branch→
  DumpSectionContents(FileName, MachOOF, Verbose);
if (InfoPlist)
56
←
Assuming 'InfoPlist' is false→
57
←
Taking false branch→
  DumpInfoPlistSectionContents(FileName, MachOOF);
if (DylibsUsed)
58
←
Assuming 'DylibsUsed' is false→
59
←
Taking false branch→
  PrintDylibs(MachOOF, false);
if (DylibId)
60
←
Assuming 'DylibId' is false→
61
←
Taking false branch→
  PrintDylibs(MachOOF, true);
if (SymbolTable)
62
←
Assuming 'SymbolTable' is false→
63
←
Taking false branch→
  printSymbolTable(MachOOF, ArchiveName, ArchitectureName);
if (UnwindInfo63.1
'UnwindInfo' is false
)
64
←
Taking false branch→
  printMachOUnwindInfo(MachOOF);
if (PrivateHeaders) {
65
←
Assuming 'PrivateHeaders' is true→
66
←
Taking true branch→
  printMachOFileHeader(MachOOF);
67
←
Calling 'printMachOFileHeader'→
  printMachOLoadCommands(MachOOF);
}
if (FirstPrivateHeader)
  printMachOFileHeader(MachOOF);
if (ObjcMetaData)
  printObjcMetaData(MachOOF, Verbose);
if (ExportsTrie)
  printExportsTrie(MachOOF);
if (Rebase)
  printRebaseTable(MachOOF);
if (Rpaths)
  printRpaths(MachOOF);
if (Bind)
  printBindTable(MachOOF);
if (LazyBind)
  printLazyBindTable(MachOOF);
if (WeakBind)
  printWeakBindTable(MachOOF);

if (DwarfDumpType != DIDT_Null) {
  std::unique_ptr<DIContext> DICtx = DWARFContext::create(*MachOOF);
  // Dump the complete DWARF structure.
  DIDumpOptions DumpOpts;
  DumpOpts.DumpType = DwarfDumpType;
  DICtx->dump(outs(), DumpOpts);
}
2005}

2007// printUnknownCPUType() helps print_fat_headers for unknown CPU's.
2008static void printUnknownCPUType(uint32_t cputype, uint32_t cpusubtype) {
outs() << "    cputype (" << cputype << ")\n";
outs() << "    cpusubtype (" << cpusubtype << ")\n";
2011}

2013// printCPUType() helps print_fat_headers by printing the cputype and
2014// pusubtype (symbolically for the one's it knows about).
2015static void printCPUType(uint32_t cputype, uint32_t cpusubtype) {
switch (cputype) {
case MachO::CPU_TYPE_I386:
  switch (cpusubtype) {
  case MachO::CPU_SUBTYPE_I386_ALL:
    outs() << "    cputype CPU_TYPE_I386\n";
    outs() << "    cpusubtype CPU_SUBTYPE_I386_ALL\n";
    break;
  default:
    printUnknownCPUType(cputype, cpusubtype);
    break;
  }
  break;
case MachO::CPU_TYPE_X86_64:
  switch (cpusubtype) {
  case MachO::CPU_SUBTYPE_X86_64_ALL:
    outs() << "    cputype CPU_TYPE_X86_64\n";
    outs() << "    cpusubtype CPU_SUBTYPE_X86_64_ALL\n";
    break;
  case MachO::CPU_SUBTYPE_X86_64_H:
    outs() << "    cputype CPU_TYPE_X86_64\n";
    outs() << "    cpusubtype CPU_SUBTYPE_X86_64_H\n";
    break;
  default:
    printUnknownCPUType(cputype, cpusubtype);
    break;
  }
  break;
case MachO::CPU_TYPE_ARM:
  switch (cpusubtype) {
  case MachO::CPU_SUBTYPE_ARM_ALL:
    outs() << "    cputype CPU_TYPE_ARM\n";
    outs() << "    cpusubtype CPU_SUBTYPE_ARM_ALL\n";
    break;
  case MachO::CPU_SUBTYPE_ARM_V4T:
    outs() << "    cputype CPU_TYPE_ARM\n";
    outs() << "    cpusubtype CPU_SUBTYPE_ARM_V4T\n";
    break;
  case MachO::CPU_SUBTYPE_ARM_V5TEJ:
    outs() << "    cputype CPU_TYPE_ARM\n";
    outs() << "    cpusubtype CPU_SUBTYPE_ARM_V5TEJ\n";
    break;
  case MachO::CPU_SUBTYPE_ARM_XSCALE:
    outs() << "    cputype CPU_TYPE_ARM\n";
    outs() << "    cpusubtype CPU_SUBTYPE_ARM_XSCALE\n";
    break;
  case MachO::CPU_SUBTYPE_ARM_V6:
    outs() << "    cputype CPU_TYPE_ARM\n";
    outs() << "    cpusubtype CPU_SUBTYPE_ARM_V6\n";
    break;
  case MachO::CPU_SUBTYPE_ARM_V6M:
    outs() << "    cputype CPU_TYPE_ARM\n";
    outs() << "    cpusubtype CPU_SUBTYPE_ARM_V6M\n";
    break;
  case MachO::CPU_SUBTYPE_ARM_V7:
    outs() << "    cputype CPU_TYPE_ARM\n";
    outs() << "    cpusubtype CPU_SUBTYPE_ARM_V7\n";
    break;
  case MachO::CPU_SUBTYPE_ARM_V7EM:
    outs() << "    cputype CPU_TYPE_ARM\n";
    outs() << "    cpusubtype CPU_SUBTYPE_ARM_V7EM\n";
    break;
  case MachO::CPU_SUBTYPE_ARM_V7K:
    outs() << "    cputype CPU_TYPE_ARM\n";
    outs() << "    cpusubtype CPU_SUBTYPE_ARM_V7K\n";
    break;
  case MachO::CPU_SUBTYPE_ARM_V7M:
    outs() << "    cputype CPU_TYPE_ARM\n";
    outs() << "    cpusubtype CPU_SUBTYPE_ARM_V7M\n";
    break;
  case MachO::CPU_SUBTYPE_ARM_V7S:
    outs() << "    cputype CPU_TYPE_ARM\n";
    outs() << "    cpusubtype CPU_SUBTYPE_ARM_V7S\n";
    break;
  default:
    printUnknownCPUType(cputype, cpusubtype);
    break;
  }
  break;
case MachO::CPU_TYPE_ARM64:
  switch (cpusubtype & ~MachO::CPU_SUBTYPE_MASK) {
  case MachO::CPU_SUBTYPE_ARM64_ALL:
    outs() << "    cputype CPU_TYPE_ARM64\n";
    outs() << "    cpusubtype CPU_SUBTYPE_ARM64_ALL\n";
    break;
  case MachO::CPU_SUBTYPE_ARM64_V8:
    outs() << "    cputype CPU_TYPE_ARM64\n";
    outs() << "    cpusubtype CPU_SUBTYPE_ARM64_V8\n";
    break;
  case MachO::CPU_SUBTYPE_ARM64E:
    outs() << "    cputype CPU_TYPE_ARM64\n";
    outs() << "    cpusubtype CPU_SUBTYPE_ARM64E\n";
    break;
  default:
    printUnknownCPUType(cputype, cpusubtype);
    break;
  }
  break;
case MachO::CPU_TYPE_ARM64_32:
  switch (cpusubtype & ~MachO::CPU_SUBTYPE_MASK) {
  case MachO::CPU_SUBTYPE_ARM64_32_V8:
    outs() << "    cputype CPU_TYPE_ARM64_32\n";
    outs() << "    cpusubtype CPU_SUBTYPE_ARM64_32_V8\n";
    break;
  default:
    printUnknownCPUType(cputype, cpusubtype);
    break;
  }
  break;
default:
  printUnknownCPUType(cputype, cpusubtype);
  break;
}
2128}

2130static void printMachOUniversalHeaders(const object::MachOUniversalBinary *UB,
                                     bool verbose) {
outs() << "Fat headers\n";
if (verbose) {
  if (UB->getMagic() == MachO::FAT_MAGIC)
    outs() << "fat_magic FAT_MAGIC\n";
  else // UB->getMagic() == MachO::FAT_MAGIC_64
    outs() << "fat_magic FAT_MAGIC_64\n";
} else
  outs() << "fat_magic " << format("0x%" PRIx32"x", MachO::FAT_MAGIC) << "\n";

uint32_t nfat_arch = UB->getNumberOfObjects();
StringRef Buf = UB->getData();
uint64_t size = Buf.size();
uint64_t big_size = sizeof(struct MachO::fat_header) +
                    nfat_arch * sizeof(struct MachO::fat_arch);
outs() << "nfat_arch " << UB->getNumberOfObjects();
if (nfat_arch == 0)
  outs() << " (malformed, contains zero architecture types)\n";
else if (big_size > size)
  outs() << " (malformed, architectures past end of file)\n";
else
  outs() << "\n";

for (uint32_t i = 0; i < nfat_arch; ++i) {
  MachOUniversalBinary::ObjectForArch OFA(UB, i);
  uint32_t cputype = OFA.getCPUType();
  uint32_t cpusubtype = OFA.getCPUSubType();
  outs() << "architecture ";
  for (uint32_t j = 0; i != 0 && j <= i - 1; j++) {
    MachOUniversalBinary::ObjectForArch other_OFA(UB, j);
    uint32_t other_cputype = other_OFA.getCPUType();
    uint32_t other_cpusubtype = other_OFA.getCPUSubType();
    if (cputype != 0 && cpusubtype != 0 && cputype == other_cputype &&
        (cpusubtype & ~MachO::CPU_SUBTYPE_MASK) ==
            (other_cpusubtype & ~MachO::CPU_SUBTYPE_MASK)) {
      outs() << "(illegal duplicate architecture) ";
      break;
    }
  }
  if (verbose) {
    outs() << OFA.getArchFlagName() << "\n";
    printCPUType(cputype, cpusubtype & ~MachO::CPU_SUBTYPE_MASK);
  } else {
    outs() << i << "\n";
    outs() << "    cputype " << cputype << "\n";
    outs() << "    cpusubtype " << (cpusubtype & ~MachO::CPU_SUBTYPE_MASK)
           << "\n";
  }
  if (verbose &&
      (cpusubtype & MachO::CPU_SUBTYPE_MASK) == MachO::CPU_SUBTYPE_LIB64)
    outs() << "    capabilities CPU_SUBTYPE_LIB64\n";
  else
    outs() << "    capabilities "
           << format("0x%" PRIx32"x",
                     (cpusubtype & MachO::CPU_SUBTYPE_MASK) >> 24) << "\n";
  outs() << "    offset " << OFA.getOffset();
  if (OFA.getOffset() > size)
    outs() << " (past end of file)";
  if (OFA.getOffset() % (1ull << OFA.getAlign()) != 0)
    outs() << " (not aligned on it's alignment (2^" << OFA.getAlign() << ")";
  outs() << "\n";
  outs() << "    size " << OFA.getSize();
  big_size = OFA.getOffset() + OFA.getSize();
  if (big_size > size)
    outs() << " (past end of file)";
  outs() << "\n";
  outs() << "    align 2^" << OFA.getAlign() << " (" << (1 << OFA.getAlign())
         << ")\n";
}
2200}

2202static void printArchiveChild(StringRef Filename, const Archive::Child &C,
                            size_t ChildIndex, bool verbose,
                            bool print_offset,
                            StringRef ArchitectureName = StringRef()) {
if (print_offset)
  outs() << C.getChildOffset() << "\t";
sys::fs::perms Mode =
    unwrapOrError(C.getAccessMode(), getFileNameForError(C, ChildIndex),
                  Filename, ArchitectureName);
if (verbose) {
  // FIXME: this first dash, "-", is for (Mode & S_IFMT) == S_IFREG.
  // But there is nothing in sys::fs::perms for S_IFMT or S_IFREG.
  outs() << "-";
  outs() << ((Mode & sys::fs::owner_read) ? "r" : "-");
  outs() << ((Mode & sys::fs::owner_write) ? "w" : "-");
  outs() << ((Mode & sys::fs::owner_exe) ? "x" : "-");
  outs() << ((Mode & sys::fs::group_read) ? "r" : "-");
  outs() << ((Mode & sys::fs::group_write) ? "w" : "-");
  outs() << ((Mode & sys::fs::group_exe) ? "x" : "-");
  outs() << ((Mode & sys::fs::others_read) ? "r" : "-");
  outs() << ((Mode & sys::fs::others_write) ? "w" : "-");
  outs() << ((Mode & sys::fs::others_exe) ? "x" : "-");
} else {
  outs() << format("0%o ", Mode);
}

outs() << format("%3d/%-3d %5" PRId64"lld" " ",
                 unwrapOrError(C.getUID(), getFileNameForError(C, ChildIndex),
                               Filename, ArchitectureName),
                 unwrapOrError(C.getGID(), getFileNameForError(C, ChildIndex),
                               Filename, ArchitectureName),
                 unwrapOrError(C.getRawSize(),
                               getFileNameForError(C, ChildIndex), Filename,
                               ArchitectureName));

StringRef RawLastModified = C.getRawLastModified();
if (verbose) {
  unsigned Seconds;
  if (RawLastModified.getAsInteger(10, Seconds))
    outs() << "(date: \"" << RawLastModified
           << "\" contains non-decimal chars) ";
  else {
    // Since cime(3) returns a 26 character string of the form:
    // "Sun Sep 16 01:03:52 1973\n\0"
    // just print 24 characters.
    time_t t = Seconds;
    outs() << format("%.24s ", ctime(&t));
  }
} else {
  outs() << RawLastModified << " ";
}

if (verbose) {
  Expected<StringRef> NameOrErr = C.getName();
  if (!NameOrErr) {
    consumeError(NameOrErr.takeError());
    outs() << unwrapOrError(C.getRawName(),
                            getFileNameForError(C, ChildIndex), Filename,
                            ArchitectureName)
           << "\n";
  } else {
    StringRef Name = NameOrErr.get();
    outs() << Name << "\n";
  }
} else {
  outs() << unwrapOrError(C.getRawName(), getFileNameForError(C, ChildIndex),
                          Filename, ArchitectureName)
         << "\n";
}
2271}

2273static void printArchiveHeaders(StringRef Filename, Archive *A, bool verbose,
                              bool print_offset,
                              StringRef ArchitectureName = StringRef()) {
Error Err = Error::success();
size_t I = 0;
for (const auto &C : A->children(Err, false))
  printArchiveChild(Filename, C, I++, verbose, print_offset,
                    ArchitectureName);

if (Err)
  reportError(std::move(Err), Filename, "", ArchitectureName);
2284}

2286static bool ValidateArchFlags() {
// Check for -arch all and verifiy the -arch flags are valid.
for (unsigned i = 0; i < ArchFlags.size(); ++i) {
  if (ArchFlags[i] == "all") {
    ArchAll = true;
  } else {
    if (!MachOObjectFile::isValidArch(ArchFlags[i])) {
      WithColor::error(errs(), "llvm-objdump")
          << "unknown architecture named '" + ArchFlags[i] +
                 "'for the -arch option\n";
      return false;
    }
  }
}
return true;
2301}

2303// ParseInputMachO() parses the named Mach-O file in Filename and handles the
2304// -arch flags selecting just those slices as specified by them and also parses
2305// archive files.  Then for each individual Mach-O file ProcessMachO() is
2306// called to process the file based on the command line options.
2307void objdump::parseInputMachO(StringRef Filename) {
if (!ValidateArchFlags())
1
Taking false branch→
  return;

// Attempt to open the binary.
Expected<OwningBinary<Binary>> BinaryOrErr = createBinary(Filename);
if (!BinaryOrErr) {
2
←
Taking false branch→
  if (Error E = isNotObjectErrorInvalidFileType(BinaryOrErr.takeError()))
    reportError(std::move(E), Filename);
  else
    outs() << Filename << ": is not an object file\n";
  return;
}
Binary &Bin = *BinaryOrErr.get().getBinary();

if (Archive *A3.1
'A' is non-null
 = dyn_cast<Archive>(&Bin)) {
3
←
Assuming the object is a 'Archive'→
4
←
Taking true branch→
  outs() << "Archive : " << Filename << "\n";
  if (ArchiveHeaders)
5
←
Assuming 'ArchiveHeaders' is false→
6
←
Taking false branch→
    printArchiveHeaders(Filename, A, Verbose, ArchiveMemberOffsets);

  Error Err = Error::success();
  unsigned I = -1;
  for (auto &C : A->children(Err)) {
    ++I;
    Expected<std::unique_ptr<Binary>> ChildOrErr = C.getAsBinary();
    if (!ChildOrErr) {
7
←
Taking false branch→
      if (Error E = isNotObjectErrorInvalidFileType(ChildOrErr.takeError()))
        reportError(std::move(E), getFileNameForError(C, I), Filename);
      continue;
    }
    if (MachOObjectFile *O8.1
'O' is non-null
 = dyn_cast<MachOObjectFile>(&*ChildOrErr.get())) {
8
←
Assuming the object is a 'MachOObjectFile'→
9
←
Taking true branch→
      if (!checkMachOAndArchFlags(O, Filename))
10
←
Taking false branch→
        return;
      ProcessMachO(Filename, O, O->getFileName());
11
←
Calling 'ProcessMachO'→
    }
  }
  if (Err)
    reportError(std::move(Err), Filename);
  return;
}
if (MachOUniversalBinary *UB = dyn_cast<MachOUniversalBinary>(&Bin)) {
  parseInputMachO(UB);
  return;
}
if (ObjectFile *O = dyn_cast<ObjectFile>(&Bin)) {
  if (!checkMachOAndArchFlags(O, Filename))
    return;
  if (MachOObjectFile *MachOOF = dyn_cast<MachOObjectFile>(&*O))
    ProcessMachO(Filename, MachOOF);
  else
    WithColor::error(errs(), "llvm-objdump")
        << Filename << "': "
        << "object is not a Mach-O file type.\n";
  return;
}
llvm_unreachable("Input object can't be invalid at this point")__builtin_unreachable();
2363}

2365void objdump::parseInputMachO(MachOUniversalBinary *UB) {
if (!ValidateArchFlags())
  return;

auto Filename = UB->getFileName();

if (UniversalHeaders)
  printMachOUniversalHeaders(UB, Verbose);

// If we have a list of architecture flags specified dump only those.
if (!ArchAll && !ArchFlags.empty()) {
  // Look for a slice in the universal binary that matches each ArchFlag.
  bool ArchFound;
  for (unsigned i = 0; i < ArchFlags.size(); ++i) {
    ArchFound = false;
    for (MachOUniversalBinary::object_iterator I = UB->begin_objects(),
                                                E = UB->end_objects();
          I != E; ++I) {
      if (ArchFlags[i] == I->getArchFlagName()) {
        ArchFound = true;
        Expected<std::unique_ptr<ObjectFile>> ObjOrErr =
            I->getAsObjectFile();
        std::string ArchitectureName;
        if (ArchFlags.size() > 1)
          ArchitectureName = I->getArchFlagName();
        if (ObjOrErr) {
          ObjectFile &O = *ObjOrErr.get();
          if (MachOObjectFile *MachOOF = dyn_cast<MachOObjectFile>(&O))
            ProcessMachO(Filename, MachOOF, "", ArchitectureName);
        } else if (Error E = isNotObjectErrorInvalidFileType(
                       ObjOrErr.takeError())) {
          reportError(std::move(E), "", Filename, ArchitectureName);
          continue;
        } else if (Expected<std::unique_ptr<Archive>> AOrErr =
                       I->getAsArchive()) {
          std::unique_ptr<Archive> &A = *AOrErr;
          outs() << "Archive : " << Filename;
          if (!ArchitectureName.empty())
            outs() << " (architecture " << ArchitectureName << ")";
          outs() << "\n";
          if (ArchiveHeaders)
            printArchiveHeaders(Filename, A.get(), Verbose,
                                ArchiveMemberOffsets, ArchitectureName);
          Error Err = Error::success();
          unsigned I = -1;
          for (auto &C : A->children(Err)) {
            ++I;
            Expected<std::unique_ptr<Binary>> ChildOrErr = C.getAsBinary();
            if (!ChildOrErr) {
              if (Error E =
                      isNotObjectErrorInvalidFileType(ChildOrErr.takeError()))
                reportError(std::move(E), getFileNameForError(C, I), Filename,
                            ArchitectureName);
              continue;
            }
            if (MachOObjectFile *O =
                    dyn_cast<MachOObjectFile>(&*ChildOrErr.get()))
              ProcessMachO(Filename, O, O->getFileName(), ArchitectureName);
          }
          if (Err)
            reportError(std::move(Err), Filename);
        } else {
          consumeError(AOrErr.takeError());
          reportError(Filename,
                      "Mach-O universal file for architecture " +
                          StringRef(I->getArchFlagName()) +
                          " is not a Mach-O file or an archive file");
        }
      }
    }
    if (!ArchFound) {
      WithColor::error(errs(), "llvm-objdump")
          << "file: " + Filename + " does not contain "
          << "architecture: " + ArchFlags[i] + "\n";
      return;
    }
  }
  return;
}
// No architecture flags were specified so if this contains a slice that
// matches the host architecture dump only that.
if (!ArchAll) {
  for (MachOUniversalBinary::object_iterator I = UB->begin_objects(),
                                              E = UB->end_objects();
        I != E; ++I) {
    if (MachOObjectFile::getHostArch().getArchName() ==
        I->getArchFlagName()) {
      Expected<std::unique_ptr<ObjectFile>> ObjOrErr = I->getAsObjectFile();
      std::string ArchiveName;
      ArchiveName.clear();
      if (ObjOrErr) {
        ObjectFile &O = *ObjOrErr.get();
        if (MachOObjectFile *MachOOF = dyn_cast<MachOObjectFile>(&O))
          ProcessMachO(Filename, MachOOF);
      } else if (Error E =
                     isNotObjectErrorInvalidFileType(ObjOrErr.takeError())) {
        reportError(std::move(E), Filename);
      } else if (Expected<std::unique_ptr<Archive>> AOrErr =
                     I->getAsArchive()) {
        std::unique_ptr<Archive> &A = *AOrErr;
        outs() << "Archive : " << Filename << "\n";
        if (ArchiveHeaders)
          printArchiveHeaders(Filename, A.get(), Verbose,
                              ArchiveMemberOffsets);
        Error Err = Error::success();
        unsigned I = -1;
        for (auto &C : A->children(Err)) {
          ++I;
          Expected<std::unique_ptr<Binary>> ChildOrErr = C.getAsBinary();
          if (!ChildOrErr) {
            if (Error E =
                    isNotObjectErrorInvalidFileType(ChildOrErr.takeError()))
              reportError(std::move(E), getFileNameForError(C, I), Filename);
            continue;
          }
          if (MachOObjectFile *O =
                  dyn_cast<MachOObjectFile>(&*ChildOrErr.get()))
            ProcessMachO(Filename, O, O->getFileName());
        }
        if (Err)
          reportError(std::move(Err), Filename);
      } else {
        consumeError(AOrErr.takeError());
        reportError(Filename, "Mach-O universal file for architecture " +
                                  StringRef(I->getArchFlagName()) +
                                  " is not a Mach-O file or an archive file");
      }
      return;
    }
  }
}
// Either all architectures have been specified or none have been specified
// and this does not contain the host architecture so dump all the slices.
bool moreThanOneArch = UB->getNumberOfObjects() > 1;
for (MachOUniversalBinary::object_iterator I = UB->begin_objects(),
                                            E = UB->end_objects();
      I != E; ++I) {
  Expected<std::unique_ptr<ObjectFile>> ObjOrErr = I->getAsObjectFile();
  std::string ArchitectureName;
  if (moreThanOneArch)
    ArchitectureName = I->getArchFlagName();
  if (ObjOrErr) {
    ObjectFile &Obj = *ObjOrErr.get();
    if (MachOObjectFile *MachOOF = dyn_cast<MachOObjectFile>(&Obj))
      ProcessMachO(Filename, MachOOF, "", ArchitectureName);
  } else if (Error E =
                 isNotObjectErrorInvalidFileType(ObjOrErr.takeError())) {
    reportError(std::move(E), Filename, "", ArchitectureName);
  } else if (Expected<std::unique_ptr<Archive>> AOrErr = I->getAsArchive()) {
    std::unique_ptr<Archive> &A = *AOrErr;
    outs() << "Archive : " << Filename;
    if (!ArchitectureName.empty())
      outs() << " (architecture " << ArchitectureName << ")";
    outs() << "\n";
    if (ArchiveHeaders)
      printArchiveHeaders(Filename, A.get(), Verbose, ArchiveMemberOffsets,
                          ArchitectureName);
    Error Err = Error::success();
    unsigned I = -1;
    for (auto &C : A->children(Err)) {
      ++I;
      Expected<std::unique_ptr<Binary>> ChildOrErr = C.getAsBinary();
      if (!ChildOrErr) {
        if (Error E = isNotObjectErrorInvalidFileType(ChildOrErr.takeError()))
          reportError(std::move(E), getFileNameForError(C, I), Filename,
                      ArchitectureName);
        continue;
      }
      if (MachOObjectFile *O =
              dyn_cast<MachOObjectFile>(&*ChildOrErr.get())) {
        if (MachOObjectFile *MachOOF = dyn_cast<MachOObjectFile>(O))
          ProcessMachO(Filename, MachOOF, MachOOF->getFileName(),
                        ArchitectureName);
      }
    }
    if (Err)
      reportError(std::move(Err), Filename);
  } else {
    consumeError(AOrErr.takeError());
    reportError(Filename, "Mach-O universal file for architecture " +
                              StringRef(I->getArchFlagName()) +
                              " is not a Mach-O file or an archive file");
  }
}
2549}

2551namespace {
2552// The block of info used by the Symbolizer call backs.
2553struct DisassembleInfo {
DisassembleInfo(MachOObjectFile *O, SymbolAddressMap *AddrMap,
                std::vector<SectionRef> *Sections, bool verbose)
  : verbose(verbose), O(O), AddrMap(AddrMap), Sections(Sections) {}
bool verbose;
MachOObjectFile *O;
SectionRef S;
SymbolAddressMap *AddrMap;
std::vector<SectionRef> *Sections;
const char *class_name = nullptr;
const char *selector_name = nullptr;
std::unique_ptr<char[]> method = nullptr;
char *demangled_name = nullptr;
uint64_t adrp_addr = 0;
uint32_t adrp_inst = 0;
std::unique_ptr<SymbolAddressMap> bindtable;
uint32_t depth = 0;
2570};
2571} // namespace

2573// SymbolizerGetOpInfo() is the operand information call back function.
2574// This is called to get the symbolic information for operand(s) of an
2575// instruction when it is being done.  This routine does this from
2576// the relocation information, symbol table, etc. That block of information
2577// is a pointer to the struct DisassembleInfo that was passed when the
2578// disassembler context was created and passed to back to here when
2579// called back by the disassembler for instruction operands that could have
2580// relocation information. The address of the instruction containing operand is
2581// at the Pc parameter.  The immediate value the operand has is passed in
2582// op_info->Value and is at Offset past the start of the instruction and has a
2583// byte Size of 1, 2 or 4. The symbolc information is returned in TagBuf is the
2584// LLVMOpInfo1 struct defined in the header "llvm-c/Disassembler.h" as symbol
2585// names and addends of the symbolic expression to add for the operand.  The
2586// value of TagType is currently 1 (for the LLVMOpInfo1 struct). If symbolic
2587// information is returned then this function returns 1 else it returns 0.
2588static int SymbolizerGetOpInfo(void *DisInfo, uint64_t Pc, uint64_t Offset,
                             uint64_t Size, int TagType, void *TagBuf) {
struct DisassembleInfo *info = (struct DisassembleInfo *)DisInfo;
struct LLVMOpInfo1 *op_info = (struct LLVMOpInfo1 *)TagBuf;
uint64_t value = op_info->Value;

// Make sure all fields returned are zero if we don't set them.
memset((void *)op_info, '\0', sizeof(struct LLVMOpInfo1));
op_info->Value = value;

// If the TagType is not the value 1 which it code knows about or if no
// verbose symbolic information is wanted then just return 0, indicating no
// information is being returned.
if (TagType != 1 || !info->verbose)
  return 0;

unsigned int Arch = info->O->getArch();
if (Arch == Triple::x86) {
  if (Size != 1 && Size != 2 && Size != 4 && Size != 0)
    return 0;
  if (info->O->getHeader().filetype != MachO::MH_OBJECT) {
    // TODO:
    // Search the external relocation entries of a fully linked image
    // (if any) for an entry that matches this segment offset.
    // uint32_t seg_offset = (Pc + Offset);
    return 0;
  }
  // In MH_OBJECT filetypes search the section's relocation entries (if any)
  // for an entry for this section offset.
  uint32_t sect_addr = info->S.getAddress();
  uint32_t sect_offset = (Pc + Offset) - sect_addr;
  bool reloc_found = false;
  DataRefImpl Rel;
  MachO::any_relocation_info RE;
  bool isExtern = false;
  SymbolRef Symbol;
  bool r_scattered = false;
  uint32_t r_value, pair_r_value, r_type;
  for (const RelocationRef &Reloc : info->S.relocations()) {
    uint64_t RelocOffset = Reloc.getOffset();
    if (RelocOffset == sect_offset) {
      Rel = Reloc.getRawDataRefImpl();
      RE = info->O->getRelocation(Rel);
      r_type = info->O->getAnyRelocationType(RE);
      r_scattered = info->O->isRelocationScattered(RE);
      if (r_scattered) {
        r_value = info->O->getScatteredRelocationValue(RE);
        if (r_type == MachO::GENERIC_RELOC_SECTDIFF ||
            r_type == MachO::GENERIC_RELOC_LOCAL_SECTDIFF) {
          DataRefImpl RelNext = Rel;
          info->O->moveRelocationNext(RelNext);
          MachO::any_relocation_info RENext;
          RENext = info->O->getRelocation(RelNext);
          if (info->O->isRelocationScattered(RENext))
            pair_r_value = info->O->getScatteredRelocationValue(RENext);
          else
            return 0;
        }
      } else {
        isExtern = info->O->getPlainRelocationExternal(RE);
        if (isExtern) {
          symbol_iterator RelocSym = Reloc.getSymbol();
          Symbol = *RelocSym;
        }
      }
      reloc_found = true;
      break;
    }
  }
  if (reloc_found && isExtern) {
    op_info->AddSymbol.Present = 1;
    op_info->AddSymbol.Name =
        unwrapOrError(Symbol.getName(), info->O->getFileName()).data();
    // For i386 extern relocation entries the value in the instruction is
    // the offset from the symbol, and value is already set in op_info->Value.
    return 1;
  }
  if (reloc_found && (r_type == MachO::GENERIC_RELOC_SECTDIFF ||
                      r_type == MachO::GENERIC_RELOC_LOCAL_SECTDIFF)) {
    const char *add = GuessSymbolName(r_value, info->AddrMap);
    const char *sub = GuessSymbolName(pair_r_value, info->AddrMap);
    uint32_t offset = value - (r_value - pair_r_value);
    op_info->AddSymbol.Present = 1;
    if (add != nullptr)
      op_info->AddSymbol.Name = add;
    else
      op_info->AddSymbol.Value = r_value;
    op_info->SubtractSymbol.Present = 1;
    if (sub != nullptr)
      op_info->SubtractSymbol.Name = sub;
    else
      op_info->SubtractSymbol.Value = pair_r_value;
    op_info->Value = offset;
    return 1;
  }
  return 0;
}
if (Arch == Triple::x86_64) {
  if (Size != 1 && Size != 2 && Size != 4 && Size != 0)
    return 0;
  // For non MH_OBJECT types, like MH_KEXT_BUNDLE, Search the external
  // relocation entries of a linked image (if any) for an entry that matches
  // this segment offset.
  if (info->O->getHeader().filetype != MachO::MH_OBJECT) {
    uint64_t seg_offset = Pc + Offset;
    bool reloc_found = false;
    DataRefImpl Rel;
    MachO::any_relocation_info RE;
    bool isExtern = false;
    SymbolRef Symbol;
    for (const RelocationRef &Reloc : info->O->external_relocations()) {
      uint64_t RelocOffset = Reloc.getOffset();
      if (RelocOffset == seg_offset) {
        Rel = Reloc.getRawDataRefImpl();
        RE = info->O->getRelocation(Rel);
        // external relocation entries should always be external.
        isExtern = info->O->getPlainRelocationExternal(RE);
        if (isExtern) {
          symbol_iterator RelocSym = Reloc.getSymbol();
          Symbol = *RelocSym;
        }
        reloc_found = true;
        break;
      }
    }
    if (reloc_found && isExtern) {
      // The Value passed in will be adjusted by the Pc if the instruction
      // adds the Pc.  But for x86_64 external relocation entries the Value
      // is the offset from the external symbol.
      if (info->O->getAnyRelocationPCRel(RE))
        op_info->Value -= Pc + Offset + Size;
      const char *name =
          unwrapOrError(Symbol.getName(), info->O->getFileName()).data();
      op_info->AddSymbol.Present = 1;
      op_info->AddSymbol.Name = name;
      return 1;
    }
    return 0;
  }
  // In MH_OBJECT filetypes search the section's relocation entries (if any)
  // for an entry for this section offset.
  uint64_t sect_addr = info->S.getAddress();
  uint64_t sect_offset = (Pc + Offset) - sect_addr;
  bool reloc_found = false;
  DataRefImpl Rel;
  MachO::any_relocation_info RE;
  bool isExtern = false;
  SymbolRef Symbol;
  for (const RelocationRef &Reloc : info->S.relocations()) {
    uint64_t RelocOffset = Reloc.getOffset();
    if (RelocOffset == sect_offset) {
      Rel = Reloc.getRawDataRefImpl();
      RE = info->O->getRelocation(Rel);
      // NOTE: Scattered relocations don't exist on x86_64.
      isExtern = info->O->getPlainRelocationExternal(RE);
      if (isExtern) {
        symbol_iterator RelocSym = Reloc.getSymbol();
        Symbol = *RelocSym;
      }
      reloc_found = true;
      break;
    }
  }
  if (reloc_found && isExtern) {
    // The Value passed in will be adjusted by the Pc if the instruction
    // adds the Pc.  But for x86_64 external relocation entries the Value
    // is the offset from the external symbol.
    if (info->O->getAnyRelocationPCRel(RE))
      op_info->Value -= Pc + Offset + Size;
    const char *name =
        unwrapOrError(Symbol.getName(), info->O->getFileName()).data();
    unsigned Type = info->O->getAnyRelocationType(RE);
    if (Type == MachO::X86_64_RELOC_SUBTRACTOR) {
      DataRefImpl RelNext = Rel;
      info->O->moveRelocationNext(RelNext);
      MachO::any_relocation_info RENext = info->O->getRelocation(RelNext);
      unsigned TypeNext = info->O->getAnyRelocationType(RENext);
      bool isExternNext = info->O->getPlainRelocationExternal(RENext);
      unsigned SymbolNum = info->O->getPlainRelocationSymbolNum(RENext);
      if (TypeNext == MachO::X86_64_RELOC_UNSIGNED && isExternNext) {
        op_info->SubtractSymbol.Present = 1;
        op_info->SubtractSymbol.Name = name;
        symbol_iterator RelocSymNext = info->O->getSymbolByIndex(SymbolNum);
        Symbol = *RelocSymNext;
        name = unwrapOrError(Symbol.getName(), info->O->getFileName()).data();
      }
    }
    // TODO: add the VariantKinds to op_info->VariantKind for relocation types
    // like: X86_64_RELOC_TLV, X86_64_RELOC_GOT_LOAD and X86_64_RELOC_GOT.
    op_info->AddSymbol.Present = 1;
    op_info->AddSymbol.Name = name;
    return 1;
  }
  return 0;
}
if (Arch == Triple::arm) {
  if (Offset != 0 || (Size != 4 && Size != 2))
    return 0;
  if (info->O->getHeader().filetype != MachO::MH_OBJECT) {
    // TODO:
    // Search the external relocation entries of a fully linked image
    // (if any) for an entry that matches this segment offset.
    // uint32_t seg_offset = (Pc + Offset);
    return 0;
  }
  // In MH_OBJECT filetypes search the section's relocation entries (if any)
  // for an entry for this section offset.
  uint32_t sect_addr = info->S.getAddress();
  uint32_t sect_offset = (Pc + Offset) - sect_addr;
  DataRefImpl Rel;
  MachO::any_relocation_info RE;
  bool isExtern = false;
  SymbolRef Symbol;
  bool r_scattered = false;
  uint32_t r_value, pair_r_value, r_type, r_length, other_half;
  auto Reloc =
      find_if(info->S.relocations(), [&](const RelocationRef &Reloc) {
        uint64_t RelocOffset = Reloc.getOffset();
        return RelocOffset == sect_offset;
      });

  if (Reloc == info->S.relocations().end())
    return 0;

  Rel = Reloc->getRawDataRefImpl();
  RE = info->O->getRelocation(Rel);
  r_length = info->O->getAnyRelocationLength(RE);
  r_scattered = info->O->isRelocationScattered(RE);
  if (r_scattered) {
    r_value = info->O->getScatteredRelocationValue(RE);
    r_type = info->O->getScatteredRelocationType(RE);
  } else {
    r_type = info->O->getAnyRelocationType(RE);
    isExtern = info->O->getPlainRelocationExternal(RE);
    if (isExtern) {
      symbol_iterator RelocSym = Reloc->getSymbol();
      Symbol = *RelocSym;
    }
  }
  if (r_type == MachO::ARM_RELOC_HALF ||
      r_type == MachO::ARM_RELOC_SECTDIFF ||
      r_type == MachO::ARM_RELOC_LOCAL_SECTDIFF ||
      r_type == MachO::ARM_RELOC_HALF_SECTDIFF) {
    DataRefImpl RelNext = Rel;
    info->O->moveRelocationNext(RelNext);
    MachO::any_relocation_info RENext;
    RENext = info->O->getRelocation(RelNext);
    other_half = info->O->getAnyRelocationAddress(RENext) & 0xffff;
    if (info->O->isRelocationScattered(RENext))
      pair_r_value = info->O->getScatteredRelocationValue(RENext);
  }

  if (isExtern) {
    const char *name =
        unwrapOrError(Symbol.getName(), info->O->getFileName()).data();
    op_info->AddSymbol.Present = 1;
    op_info->AddSymbol.Name = name;
    switch (r_type) {
    case MachO::ARM_RELOC_HALF:
      if ((r_length & 0x1) == 1) {
        op_info->Value = value << 16 | other_half;
        op_info->VariantKind = LLVMDisassembler_VariantKind_ARM_HI161;
      } else {
        op_info->Value = other_half << 16 | value;
        op_info->VariantKind = LLVMDisassembler_VariantKind_ARM_LO162;
      }
      break;
    default:
      break;
    }
    return 1;
  }
  // If we have a branch that is not an external relocation entry then
  // return 0 so the code in tryAddingSymbolicOperand() can use the
  // SymbolLookUp call back with the branch target address to look up the
  // symbol and possibility add an annotation for a symbol stub.
  if (isExtern == 0 && (r_type == MachO::ARM_RELOC_BR24 ||
                        r_type == MachO::ARM_THUMB_RELOC_BR22))
    return 0;

  uint32_t offset = 0;
  if (r_type == MachO::ARM_RELOC_HALF ||
      r_type == MachO::ARM_RELOC_HALF_SECTDIFF) {
    if ((r_length & 0x1) == 1)
      value = value << 16 | other_half;
    else
      value = other_half << 16 | value;
  }
  if (r_scattered && (r_type != MachO::ARM_RELOC_HALF &&
                      r_type != MachO::ARM_RELOC_HALF_SECTDIFF)) {
    offset = value - r_value;
    value = r_value;
  }

  if (r_type == MachO::ARM_RELOC_HALF_SECTDIFF) {
    if ((r_length & 0x1) == 1)
      op_info->VariantKind = LLVMDisassembler_VariantKind_ARM_HI161;
    else
      op_info->VariantKind = LLVMDisassembler_VariantKind_ARM_LO162;
    const char *add = GuessSymbolName(r_value, info->AddrMap);
    const char *sub = GuessSymbolName(pair_r_value, info->AddrMap);
    int32_t offset = value - (r_value - pair_r_value);
    op_info->AddSymbol.Present = 1;
    if (add != nullptr)
      op_info->AddSymbol.Name = add;
    else
      op_info->AddSymbol.Value = r_value;
    op_info->SubtractSymbol.Present = 1;
    if (sub != nullptr)
      op_info->SubtractSymbol.Name = sub;
    else
      op_info->SubtractSymbol.Value = pair_r_value;
    op_info->Value = offset;
    return 1;
  }

  op_info->AddSymbol.Present = 1;
  op_info->Value = offset;
  if (r_type == MachO::ARM_RELOC_HALF) {
    if ((r_length & 0x1) == 1)
      op_info->VariantKind = LLVMDisassembler_VariantKind_ARM_HI161;
    else
      op_info->VariantKind = LLVMDisassembler_VariantKind_ARM_LO162;
  }
  const char *add = GuessSymbolName(value, info->AddrMap);
  if (add != nullptr) {
    op_info->AddSymbol.Name = add;
    return 1;
  }
  op_info->AddSymbol.Value = value;
  return 1;
}
if (Arch == Triple::aarch64) {
  if (Offset != 0 || Size != 4)
    return 0;
  if (info->O->getHeader().filetype != MachO::MH_OBJECT) {
    // TODO:
    // Search the external relocation entries of a fully linked image
    // (if any) for an entry that matches this segment offset.
    // uint64_t seg_offset = (Pc + Offset);
    return 0;
  }
  // In MH_OBJECT filetypes search the section's relocation entries (if any)
  // for an entry for this section offset.
  uint64_t sect_addr = info->S.getAddress();
  uint64_t sect_offset = (Pc + Offset) - sect_addr;
  auto Reloc =
      find_if(info->S.relocations(), [&](const RelocationRef &Reloc) {
        uint64_t RelocOffset = Reloc.getOffset();
        return RelocOffset == sect_offset;
      });

  if (Reloc == info->S.relocations().end())
    return 0;

  DataRefImpl Rel = Reloc->getRawDataRefImpl();
  MachO::any_relocation_info RE = info->O->getRelocation(Rel);
  uint32_t r_type = info->O->getAnyRelocationType(RE);
  if (r_type == MachO::ARM64_RELOC_ADDEND) {
    DataRefImpl RelNext = Rel;
    info->O->moveRelocationNext(RelNext);
    MachO::any_relocation_info RENext = info->O->getRelocation(RelNext);
    if (value == 0) {
      value = info->O->getPlainRelocationSymbolNum(RENext);
      op_info->Value = value;
    }
  }
  // NOTE: Scattered relocations don't exist on arm64.
  if (!info->O->getPlainRelocationExternal(RE))
    return 0;
  const char *name =
      unwrapOrError(Reloc->getSymbol()->getName(), info->O->getFileName())
          .data();
  op_info->AddSymbol.Present = 1;
  op_info->AddSymbol.Name = name;

  switch (r_type) {
  case MachO::ARM64_RELOC_PAGE21:
    /* @page */
    op_info->VariantKind = LLVMDisassembler_VariantKind_ARM64_PAGE1;
    break;
  case MachO::ARM64_RELOC_PAGEOFF12:
    /* @pageoff */
    op_info->VariantKind = LLVMDisassembler_VariantKind_ARM64_PAGEOFF2;
    break;
  case MachO::ARM64_RELOC_GOT_LOAD_PAGE21:
    /* @gotpage */
    op_info->VariantKind = LLVMDisassembler_VariantKind_ARM64_GOTPAGE3;
    break;
  case MachO::ARM64_RELOC_GOT_LOAD_PAGEOFF12:
    /* @gotpageoff */
    op_info->VariantKind = LLVMDisassembler_VariantKind_ARM64_GOTPAGEOFF4;
    break;
  case MachO::ARM64_RELOC_TLVP_LOAD_PAGE21:
    /* @tvlppage is not implemented in llvm-mc */
    op_info->VariantKind = LLVMDisassembler_VariantKind_ARM64_TLVP5;
    break;
  case MachO::ARM64_RELOC_TLVP_LOAD_PAGEOFF12:
    /* @tvlppageoff is not implemented in llvm-mc */
    op_info->VariantKind = LLVMDisassembler_VariantKind_ARM64_TLVOFF6;
    break;
  default:
  case MachO::ARM64_RELOC_BRANCH26:
    op_info->VariantKind = LLVMDisassembler_VariantKind_None0;
    break;
  }
  return 1;
}
return 0;
2997}

2999// GuessCstringPointer is passed the address of what might be a pointer to a
3000// literal string in a cstring section.  If that address is in a cstring section
3001// it returns a pointer to that string.  Else it returns nullptr.
3002static const char *GuessCstringPointer(uint64_t ReferenceValue,
                                     struct DisassembleInfo *info) {
for (const auto &Load : info->O->load_commands()) {
  if (Load.C.cmd == MachO::LC_SEGMENT_64) {
    MachO::segment_command_64 Seg = info->O->getSegment64LoadCommand(Load);
    for (unsigned J = 0; J < Seg.nsects; ++J) {
      MachO::section_64 Sec = info->O->getSection64(Load, J);
      uint32_t section_type = Sec.flags & MachO::SECTION_TYPE;
      if (section_type == MachO::S_CSTRING_LITERALS &&
          ReferenceValue >= Sec.addr &&
          ReferenceValue < Sec.addr + Sec.size) {
        uint64_t sect_offset = ReferenceValue - Sec.addr;
        uint64_t object_offset = Sec.offset + sect_offset;
        StringRef MachOContents = info->O->getData();
        uint64_t object_size = MachOContents.size();
        const char *object_addr = (const char *)MachOContents.data();
        if (object_offset < object_size) {
          const char *name = object_addr + object_offset;
          return name;
        } else {
          return nullptr;
        }
      }
    }
  } else if (Load.C.cmd == MachO::LC_SEGMENT) {
    MachO::segment_command Seg = info->O->getSegmentLoadCommand(Load);
    for (unsigned J = 0; J < Seg.nsects; ++J) {
      MachO::section Sec = info->O->getSection(Load, J);
      uint32_t section_type = Sec.flags & MachO::SECTION_TYPE;
      if (section_type == MachO::S_CSTRING_LITERALS &&
          ReferenceValue >= Sec.addr &&
          ReferenceValue < Sec.addr + Sec.size) {
        uint64_t sect_offset = ReferenceValue - Sec.addr;
        uint64_t object_offset = Sec.offset + sect_offset;
        StringRef MachOContents = info->O->getData();
        uint64_t object_size = MachOContents.size();
        const char *object_addr = (const char *)MachOContents.data();
        if (object_offset < object_size) {
          const char *name = object_addr + object_offset;
          return name;
        } else {
          return nullptr;
        }
      }
    }
  }
}
return nullptr;
3050}

3052// GuessIndirectSymbol returns the name of the indirect symbol for the
3053// ReferenceValue passed in or nullptr.  This is used when ReferenceValue maybe
3054// an address of a symbol stub or a lazy or non-lazy pointer to associate the
3055// symbol name being referenced by the stub or pointer.
3056static const char *GuessIndirectSymbol(uint64_t ReferenceValue,
                                     struct DisassembleInfo *info) {
MachO::dysymtab_command Dysymtab = info->O->getDysymtabLoadCommand();
MachO::symtab_command Symtab = info->O->getSymtabLoadCommand();
for (const auto &Load : info->O->load_commands()) {
  if (Load.C.cmd == MachO::LC_SEGMENT_64) {
    MachO::segment_command_64 Seg = info->O->getSegment64LoadCommand(Load);
    for (unsigned J = 0; J < Seg.nsects; ++J) {
      MachO::section_64 Sec = info->O->getSection64(Load, J);
      uint32_t section_type = Sec.flags & MachO::SECTION_TYPE;
      if ((section_type == MachO::S_NON_LAZY_SYMBOL_POINTERS ||
           section_type == MachO::S_LAZY_SYMBOL_POINTERS ||
           section_type == MachO::S_LAZY_DYLIB_SYMBOL_POINTERS ||
           section_type == MachO::S_THREAD_LOCAL_VARIABLE_POINTERS ||
           section_type == MachO::S_SYMBOL_STUBS) &&
          ReferenceValue >= Sec.addr &&
          ReferenceValue < Sec.addr + Sec.size) {
        uint32_t stride;
        if (section_type == MachO::S_SYMBOL_STUBS)
          stride = Sec.reserved2;
        else
          stride = 8;
        if (stride == 0)
          return nullptr;
        uint32_t index = Sec.reserved1 + (ReferenceValue - Sec.addr) / stride;
        if (index < Dysymtab.nindirectsyms) {
          uint32_t indirect_symbol =
              info->O->getIndirectSymbolTableEntry(Dysymtab, index);
          if (indirect_symbol < Symtab.nsyms) {
            symbol_iterator Sym = info->O->getSymbolByIndex(indirect_symbol);
            return unwrapOrError(Sym->getName(), info->O->getFileName())
                .data();
          }
        }
      }
    }
  } else if (Load.C.cmd == MachO::LC_SEGMENT) {
    MachO::segment_command Seg = info->O->getSegmentLoadCommand(Load);
    for (unsigned J = 0; J < Seg.nsects; ++J) {
      MachO::section Sec = info->O->getSection(Load, J);
      uint32_t section_type = Sec.flags & MachO::SECTION_TYPE;
      if ((section_type == MachO::S_NON_LAZY_SYMBOL_POINTERS ||
           section_type == MachO::S_LAZY_SYMBOL_POINTERS ||
           section_type == MachO::S_LAZY_DYLIB_SYMBOL_POINTERS ||
           section_type == MachO::S_THREAD_LOCAL_VARIABLE_POINTERS ||
           section_type == MachO::S_SYMBOL_STUBS) &&
          ReferenceValue >= Sec.addr &&
          ReferenceValue < Sec.addr + Sec.size) {
        uint32_t stride;
        if (section_type == MachO::S_SYMBOL_STUBS)
          stride = Sec.reserved2;
        else
          stride = 4;
        if (stride == 0)
          return nullptr;
        uint32_t index = Sec.reserved1 + (ReferenceValue - Sec.addr) / stride;
        if (index < Dysymtab.nindirectsyms) {
          uint32_t indirect_symbol =
              info->O->getIndirectSymbolTableEntry(Dysymtab, index);
          if (indirect_symbol < Symtab.nsyms) {
            symbol_iterator Sym = info->O->getSymbolByIndex(indirect_symbol);
            return unwrapOrError(Sym->getName(), info->O->getFileName())
                .data();
          }
        }
      }
    }
  }
}
return nullptr;
3126}

3128// method_reference() is called passing it the ReferenceName that might be
3129// a reference it to an Objective-C method call.  If so then it allocates and
3130// assembles a method call string with the values last seen and saved in
3131// the DisassembleInfo's class_name and selector_name fields.  This is saved
3132// into the method field of the info and any previous string is free'ed.
3133// Then the class_name field in the info is set to nullptr.  The method call
3134// string is set into ReferenceName and ReferenceType is set to
3135// LLVMDisassembler_ReferenceType_Out_Objc_Message.  If this not a method call
3136// then both ReferenceType and ReferenceName are left unchanged.
3137static void method_reference(struct DisassembleInfo *info,
                           uint64_t *ReferenceType,
                           const char **ReferenceName) {
unsigned int Arch = info->O->getArch();
if (*ReferenceName != nullptr) {
  if (strcmp(*ReferenceName, "_objc_msgSend") == 0) {
    if (info->selector_name != nullptr) {
      if (info->class_name != nullptr) {
        info->method = std::make_unique<char[]>(
            5 + strlen(info->class_name) + strlen(info->selector_name));
        char *method = info->method.get();
        if (method != nullptr) {
          strcpy(method, "+[");
          strcat(method, info->class_name);
          strcat(method, " ");
          strcat(method, info->selector_name);
          strcat(method, "]");
          *ReferenceName = method;
          *ReferenceType = LLVMDisassembler_ReferenceType_Out_Objc_Message5;
        }
      } else {
        info->method =
            std::make_unique<char[]>(9 + strlen(info->selector_name));
        char *method = info->method.get();
        if (method != nullptr) {
          if (Arch == Triple::x86_64)
            strcpy(method, "-[%rdi ");
          else if (Arch == Triple::aarch64)
            strcpy(method, "-[x0 ");
          else
            strcpy(method, "-[r? ");
          strcat(method, info->selector_name);
          strcat(method, "]");
          *ReferenceName = method;
          *ReferenceType = LLVMDisassembler_ReferenceType_Out_Objc_Message5;
        }
      }
      info->class_name = nullptr;
    }
  } else if (strcmp(*ReferenceName, "_objc_msgSendSuper2") == 0) {
    if (info->selector_name != nullptr) {
      info->method =
          std::make_unique<char[]>(17 + strlen(info->selector_name));
      char *method = info->method.get();
      if (method != nullptr) {
        if (Arch == Triple::x86_64)
          strcpy(method, "-[[%rdi super] ");
        else if (Arch == Triple::aarch64)
          strcpy(method, "-[[x0 super] ");
        else
          strcpy(method, "-[[r? super] ");
        strcat(method, info->selector_name);
        strcat(method, "]");
        *ReferenceName = method;
        *ReferenceType = LLVMDisassembler_ReferenceType_Out_Objc_Message5;
      }
      info->class_name = nullptr;
    }
  }
}
3197}

3199// GuessPointerPointer() is passed the address of what might be a pointer to
3200// a reference to an Objective-C class, selector, message ref or cfstring.
3201// If so the value of the pointer is returned and one of the booleans are set
3202// to true.  If not zero is returned and all the booleans are set to false.
3203static uint64_t GuessPointerPointer(uint64_t ReferenceValue,
                                  struct DisassembleInfo *info,
                                  bool &classref, bool &selref, bool &msgref,
                                  bool &cfstring) {
classref = false;
selref = false;
msgref = false;
cfstring = false;
for (const auto &Load : info->O->load_commands()) {
  if (Load.C.cmd == MachO::LC_SEGMENT_64) {
    MachO::segment_command_64 Seg = info->O->getSegment64LoadCommand(Load);
    for (unsigned J = 0; J < Seg.nsects; ++J) {
      MachO::section_64 Sec = info->O->getSection64(Load, J);
      if ((strncmp(Sec.sectname, "__objc_selrefs", 16) == 0 ||
           strncmp(Sec.sectname, "__objc_classrefs", 16) == 0 ||
           strncmp(Sec.sectname, "__objc_superrefs", 16) == 0 ||
           strncmp(Sec.sectname, "__objc_msgrefs", 16) == 0 ||
           strncmp(Sec.sectname, "__cfstring", 16) == 0) &&
          ReferenceValue >= Sec.addr &&
          ReferenceValue < Sec.addr + Sec.size) {
        uint64_t sect_offset = ReferenceValue - Sec.addr;
        uint64_t object_offset = Sec.offset + sect_offset;
        StringRef MachOContents = info->O->getData();
        uint64_t object_size = MachOContents.size();
        const char *object_addr = (const char *)MachOContents.data();
        if (object_offset < object_size) {
          uint64_t pointer_value;
          memcpy(&pointer_value, object_addr + object_offset,
                 sizeof(uint64_t));
          if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
            sys::swapByteOrder(pointer_value);
          if (strncmp(Sec.sectname, "__objc_selrefs", 16) == 0)
            selref = true;
          else if (strncmp(Sec.sectname, "__objc_classrefs", 16) == 0 ||
                   strncmp(Sec.sectname, "__objc_superrefs", 16) == 0)
            classref = true;
          else if (strncmp(Sec.sectname, "__objc_msgrefs", 16) == 0 &&
                   ReferenceValue + 8 < Sec.addr + Sec.size) {
            msgref = true;
            memcpy(&pointer_value, object_addr + object_offset + 8,
                   sizeof(uint64_t));
            if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
              sys::swapByteOrder(pointer_value);
          } else if (strncmp(Sec.sectname, "__cfstring", 16) == 0)
            cfstring = true;
          return pointer_value;
        } else {
          return 0;
        }
      }
    }
  }
  // TODO: Look for LC_SEGMENT for 32-bit Mach-O files.
}
return 0;
3258}

3260// get_pointer_64 returns a pointer to the bytes in the object file at the
3261// Address from a section in the Mach-O file.  And indirectly returns the
3262// offset into the section, number of bytes left in the section past the offset
3263// and which section is was being referenced.  If the Address is not in a
3264// section nullptr is returned.
3265static const char *get_pointer_64(uint64_t Address, uint32_t &offset,
                                uint32_t &left, SectionRef &S,
                                DisassembleInfo *info,
                                bool objc_only = false) {
offset = 0;
left = 0;
S = SectionRef();
for (unsigned SectIdx = 0; SectIdx != info->Sections->size(); SectIdx++) {
  uint64_t SectAddress = ((*(info->Sections))[SectIdx]).getAddress();
  uint64_t SectSize = ((*(info->Sections))[SectIdx]).getSize();
  if (SectSize == 0)
    continue;
  if (objc_only) {
    StringRef SectName;
    Expected<StringRef> SecNameOrErr =
        ((*(info->Sections))[SectIdx]).getName();
    if (SecNameOrErr)
      SectName = *SecNameOrErr;
    else
      consumeError(SecNameOrErr.takeError());

    DataRefImpl Ref = ((*(info->Sections))[SectIdx]).getRawDataRefImpl();
    StringRef SegName = info->O->getSectionFinalSegmentName(Ref);
    if (SegName != "__OBJC" && SectName != "__cstring")
      continue;
  }
  if (Address >= SectAddress && Address < SectAddress + SectSize) {
    S = (*(info->Sections))[SectIdx];
    offset = Address - SectAddress;
    left = SectSize - offset;
    StringRef SectContents = unwrapOrError(
        ((*(info->Sections))[SectIdx]).getContents(), info->O->getFileName());
    return SectContents.data() + offset;
  }
}
return nullptr;
3301}

3303static const char *get_pointer_32(uint32_t Address, uint32_t &offset,
                                uint32_t &left, SectionRef &S,
                                DisassembleInfo *info,
                                bool objc_only = false) {
return get_pointer_64(Address, offset, left, S, info, objc_only);
3308}

3310// get_symbol_64() returns the name of a symbol (or nullptr) and the address of
3311// the symbol indirectly through n_value. Based on the relocation information
3312// for the specified section offset in the specified section reference.
3313// If no relocation information is found and a non-zero ReferenceValue for the
3314// symbol is passed, look up that address in the info's AddrMap.
3315static const char *get_symbol_64(uint32_t sect_offset, SectionRef S,
                               DisassembleInfo *info, uint64_t &n_value,
                               uint64_t ReferenceValue = 0) {
n_value = 0;
if (!info->verbose)
  return nullptr;

// See if there is an external relocation entry at the sect_offset.
bool reloc_found = false;
DataRefImpl Rel;
MachO::any_relocation_info RE;
bool isExtern = false;
SymbolRef Symbol;
for (const RelocationRef &Reloc : S.relocations()) {
  uint64_t RelocOffset = Reloc.getOffset();
  if (RelocOffset == sect_offset) {
    Rel = Reloc.getRawDataRefImpl();
    RE = info->O->getRelocation(Rel);
    if (info->O->isRelocationScattered(RE))
      continue;
    isExtern = info->O->getPlainRelocationExternal(RE);
    if (isExtern) {
      symbol_iterator RelocSym = Reloc.getSymbol();
      Symbol = *RelocSym;
    }
    reloc_found = true;
    break;
  }
}
// If there is an external relocation entry for a symbol in this section
// at this section_offset then use that symbol's value for the n_value
// and return its name.
const char *SymbolName = nullptr;
if (reloc_found && isExtern) {
  n_value = cantFail(Symbol.getValue());
  StringRef Name = unwrapOrError(Symbol.getName(), info->O->getFileName());
  if (!Name.empty()) {
    SymbolName = Name.data();
    return SymbolName;
  }
}

// TODO: For fully linked images, look through the external relocation
// entries off the dynamic symtab command. For these the r_offset is from the
// start of the first writeable segment in the Mach-O file.  So the offset
// to this section from that segment is passed to this routine by the caller,
// as the database_offset. Which is the difference of the section's starting
// address and the first writable segment.
//
// NOTE: need add passing the database_offset to this routine.

// We did not find an external relocation entry so look up the ReferenceValue
// as an address of a symbol and if found return that symbol's name.
SymbolName = GuessSymbolName(ReferenceValue, info->AddrMap);

return SymbolName;
3371}

3373static const char *get_symbol_32(uint32_t sect_offset, SectionRef S,
                               DisassembleInfo *info,
                               uint32_t ReferenceValue) {
uint64_t n_value64;
return get_symbol_64(sect_offset, S, info, n_value64, ReferenceValue);
3378}

3380namespace {

3382// These are structs in the Objective-C meta data and read to produce the
3383// comments for disassembly.  While these are part of the ABI they are no
3384// public defintions.  So the are here not in include/llvm/BinaryFormat/MachO.h
3385// .

3387// The cfstring object in a 64-bit Mach-O file.
3388struct cfstring64_t {
uint64_t isa;        // class64_t * (64-bit pointer)
uint64_t flags;      // flag bits
uint64_t characters; // char * (64-bit pointer)
uint64_t length;     // number of non-NULL characters in above
3393};

3395// The class object in a 64-bit Mach-O file.
3396struct class64_t {
uint64_t isa;        // class64_t * (64-bit pointer)
uint64_t superclass; // class64_t * (64-bit pointer)
uint64_t cache;      // Cache (64-bit pointer)
uint64_t vtable;     // IMP * (64-bit pointer)
uint64_t data;       // class_ro64_t * (64-bit pointer)
3402};

3404struct class32_t {
uint32_t isa;        /* class32_t * (32-bit pointer) */
uint32_t superclass; /* class32_t * (32-bit pointer) */
uint32_t cache;      /* Cache (32-bit pointer) */
uint32_t vtable;     /* IMP * (32-bit pointer) */
uint32_t data;       /* class_ro32_t * (32-bit pointer) */
3410};

3412struct class_ro64_t {
uint32_t flags;
uint32_t instanceStart;
uint32_t instanceSize;
uint32_t reserved;
uint64_t ivarLayout;     // const uint8_t * (64-bit pointer)
uint64_t name;           // const char * (64-bit pointer)
uint64_t baseMethods;    // const method_list_t * (64-bit pointer)
uint64_t baseProtocols;  // const protocol_list_t * (64-bit pointer)
uint64_t ivars;          // const ivar_list_t * (64-bit pointer)
uint64_t weakIvarLayout; // const uint8_t * (64-bit pointer)
uint64_t baseProperties; // const struct objc_property_list (64-bit pointer)
3424};

3426struct class_ro32_t {
uint32_t flags;
uint32_t instanceStart;
uint32_t instanceSize;
uint32_t ivarLayout;     /* const uint8_t * (32-bit pointer) */
uint32_t name;           /* const char * (32-bit pointer) */
uint32_t baseMethods;    /* const method_list_t * (32-bit pointer) */
uint32_t baseProtocols;  /* const protocol_list_t * (32-bit pointer) */
uint32_t ivars;          /* const ivar_list_t * (32-bit pointer) */
uint32_t weakIvarLayout; /* const uint8_t * (32-bit pointer) */
uint32_t baseProperties; /* const struct objc_property_list *
                                                 (32-bit pointer) */
3438};

3440/* Values for class_ro{64,32}_t->flags */
3441#define RO_META(1 << 0) (1 << 0)
3442#define RO_ROOT(1 << 1) (1 << 1)
3443#define RO_HAS_CXX_STRUCTORS(1 << 2) (1 << 2)

3445struct method_list64_t {
uint32_t entsize;
uint32_t count;
/* struct method64_t first;  These structures follow inline */
3449};

3451struct method_list32_t {
uint32_t entsize;
uint32_t count;
/* struct method32_t first;  These structures follow inline */
3455};

3457struct method64_t {
uint64_t name;  /* SEL (64-bit pointer) */
uint64_t types; /* const char * (64-bit pointer) */
uint64_t imp;   /* IMP (64-bit pointer) */
3461};

3463struct method32_t {
uint32_t name;  /* SEL (32-bit pointer) */
uint32_t types; /* const char * (32-bit pointer) */
uint32_t imp;   /* IMP (32-bit pointer) */
3467};

3469struct protocol_list64_t {
uint64_t count; /* uintptr_t (a 64-bit value) */
/* struct protocol64_t * list[0];  These pointers follow inline */
3472};

3474struct protocol_list32_t {
uint32_t count; /* uintptr_t (a 32-bit value) */
/* struct protocol32_t * list[0];  These pointers follow inline */
3477};

3479struct protocol64_t {
uint64_t isa;                     /* id * (64-bit pointer) */
uint64_t name;                    /* const char * (64-bit pointer) */
uint64_t protocols;               /* struct protocol_list64_t *
                                                  (64-bit pointer) */
uint64_t instanceMethods;         /* method_list_t * (64-bit pointer) */
uint64_t classMethods;            /* method_list_t * (64-bit pointer) */
uint64_t optionalInstanceMethods; /* method_list_t * (64-bit pointer) */
uint64_t optionalClassMethods;    /* method_list_t * (64-bit pointer) */
uint64_t instanceProperties;      /* struct objc_property_list *
                                                     (64-bit pointer) */
3490};

3492struct protocol32_t {
uint32_t isa;                     /* id * (32-bit pointer) */
uint32_t name;                    /* const char * (32-bit pointer) */
uint32_t protocols;               /* struct protocol_list_t *
                                                  (32-bit pointer) */
uint32_t instanceMethods;         /* method_list_t * (32-bit pointer) */
uint32_t classMethods;            /* method_list_t * (32-bit pointer) */
uint32_t optionalInstanceMethods; /* method_list_t * (32-bit pointer) */
uint32_t optionalClassMethods;    /* method_list_t * (32-bit pointer) */
uint32_t instanceProperties;      /* struct objc_property_list *
                                                     (32-bit pointer) */
3503};

3505struct ivar_list64_t {
uint32_t entsize;
uint32_t count;
/* struct ivar64_t first;  These structures follow inline */
3509};

3511struct ivar_list32_t {
uint32_t entsize;
uint32_t count;
/* struct ivar32_t first;  These structures follow inline */
3515};

3517struct ivar64_t {
uint64_t offset; /* uintptr_t * (64-bit pointer) */
uint64_t name;   /* const char * (64-bit pointer) */
uint64_t type;   /* const char * (64-bit pointer) */
uint32_t alignment;
uint32_t size;
3523};

3525struct ivar32_t {
uint32_t offset; /* uintptr_t * (32-bit pointer) */
uint32_t name;   /* const char * (32-bit pointer) */
uint32_t type;   /* const char * (32-bit pointer) */
uint32_t alignment;
uint32_t size;
3531};

3533struct objc_property_list64 {
uint32_t entsize;
uint32_t count;
/* struct objc_property64 first;  These structures follow inline */
3537};

3539struct objc_property_list32 {
uint32_t entsize;
uint32_t count;
/* struct objc_property32 first;  These structures follow inline */
3543};

3545struct objc_property64 {
uint64_t name;       /* const char * (64-bit pointer) */
uint64_t attributes; /* const char * (64-bit pointer) */
3548};

3550struct objc_property32 {
uint32_t name;       /* const char * (32-bit pointer) */
uint32_t attributes; /* const char * (32-bit pointer) */
3553};

3555struct category64_t {
uint64_t name;               /* const char * (64-bit pointer) */
uint64_t cls;                /* struct class_t * (64-bit pointer) */
uint64_t instanceMethods;    /* struct method_list_t * (64-bit pointer) */
uint64_t classMethods;       /* struct method_list_t * (64-bit pointer) */
uint64_t protocols;          /* struct protocol_list_t * (64-bit pointer) */
uint64_t instanceProperties; /* struct objc_property_list *
                                (64-bit pointer) */
3563};

3565struct category32_t {
uint32_t name;               /* const char * (32-bit pointer) */
uint32_t cls;                /* struct class_t * (32-bit pointer) */
uint32_t instanceMethods;    /* struct method_list_t * (32-bit pointer) */
uint32_t classMethods;       /* struct method_list_t * (32-bit pointer) */
uint32_t protocols;          /* struct protocol_list_t * (32-bit pointer) */
uint32_t instanceProperties; /* struct objc_property_list *
                                (32-bit pointer) */
3573};

3575struct objc_image_info64 {
uint32_t version;
uint32_t flags;
3578};
3579struct objc_image_info32 {
uint32_t version;
uint32_t flags;
3582};
3583struct imageInfo_t {
uint32_t version;
uint32_t flags;
3586};
3587/* masks for objc_image_info.flags */
3588#define OBJC_IMAGE_IS_REPLACEMENT(1 << 0) (1 << 0)
3589#define OBJC_IMAGE_SUPPORTS_GC(1 << 1) (1 << 1)
3590#define OBJC_IMAGE_IS_SIMULATED(1 << 5) (1 << 5)
3591#define OBJC_IMAGE_HAS_CATEGORY_CLASS_PROPERTIES(1 << 6) (1 << 6)

3593struct message_ref64 {
uint64_t imp; /* IMP (64-bit pointer) */
uint64_t sel; /* SEL (64-bit pointer) */
3596};

3598struct message_ref32 {
uint32_t imp; /* IMP (32-bit pointer) */
uint32_t sel; /* SEL (32-bit pointer) */
3601};

3603// Objective-C 1 (32-bit only) meta data structs.

3605struct objc_module_t {
uint32_t version;
uint32_t size;
uint32_t name;   /* char * (32-bit pointer) */
uint32_t symtab; /* struct objc_symtab * (32-bit pointer) */
3610};

3612struct objc_symtab_t {
uint32_t sel_ref_cnt;
uint32_t refs; /* SEL * (32-bit pointer) */
uint16_t cls_def_cnt;
uint16_t cat_def_cnt;
// uint32_t defs[1];        /* void * (32-bit pointer) variable size */
3618};

3620struct objc_class_t {
uint32_t isa;         /* struct objc_class * (32-bit pointer) */
uint32_t super_class; /* struct objc_class * (32-bit pointer) */
uint32_t name;        /* const char * (32-bit pointer) */
int32_t version;
int32_t info;
int32_t instance_size;
uint32_t ivars;       /* struct objc_ivar_list * (32-bit pointer) */
uint32_t methodLists; /* struct objc_method_list ** (32-bit pointer) */
uint32_t cache;       /* struct objc_cache * (32-bit pointer) */
uint32_t protocols;   /* struct objc_protocol_list * (32-bit pointer) */
3631};

3633#define CLS_GETINFO(cls, infomask)((cls)->info & (infomask)) ((cls)->info & (infomask))
3634// class is not a metaclass
3635#define CLS_CLASS0x1 0x1
3636// class is a metaclass
3637#define CLS_META0x2 0x2

3639struct objc_category_t {
uint32_t category_name;    /* char * (32-bit pointer) */
uint32_t class_name;       /* char * (32-bit pointer) */
uint32_t instance_methods; /* struct objc_method_list * (32-bit pointer) */
uint32_t class_methods;    /* struct objc_method_list * (32-bit pointer) */
uint32_t protocols;        /* struct objc_protocol_list * (32-bit ptr) */
3645};

3647struct objc_ivar_t {
uint32_t ivar_name; /* char * (32-bit pointer) */
uint32_t ivar_type; /* char * (32-bit pointer) */
int32_t ivar_offset;
3651};

3653struct objc_ivar_list_t {
int32_t ivar_count;
// struct objc_ivar_t ivar_list[1];          /* variable length structure */
3656};

3658struct objc_method_list_t {
uint32_t obsolete; /* struct objc_method_list * (32-bit pointer) */
int32_t method_count;
// struct objc_method_t method_list[1];      /* variable length structure */
3662};

3664struct objc_method_t {
uint32_t method_name;  /* SEL, aka struct objc_selector * (32-bit pointer) */
uint32_t method_types; /* char * (32-bit pointer) */
uint32_t method_imp;   /* IMP, aka function pointer, (*IMP)(id, SEL, ...)
                          (32-bit pointer) */
3669};

3671struct objc_protocol_list_t {
uint32_t next; /* struct objc_protocol_list * (32-bit pointer) */
int32_t count;
// uint32_t list[1];   /* Protocol *, aka struct objc_protocol_t *
//                        (32-bit pointer) */
3676};

3678struct objc_protocol_t {
uint32_t isa;              /* struct objc_class * (32-bit pointer) */
uint32_t protocol_name;    /* char * (32-bit pointer) */
uint32_t protocol_list;    /* struct objc_protocol_list * (32-bit pointer) */
uint32_t instance_methods; /* struct objc_method_description_list *
                              (32-bit pointer) */
uint32_t class_methods;    /* struct objc_method_description_list *
                              (32-bit pointer) */
3686};

3688struct objc_method_description_list_t {
int32_t count;
// struct objc_method_description_t list[1];
3691};

3693struct objc_method_description_t {
uint32_t name;  /* SEL, aka struct objc_selector * (32-bit pointer) */
uint32_t types; /* char * (32-bit pointer) */
3696};

3698inline void swapStruct(struct cfstring64_t &cfs) {
sys::swapByteOrder(cfs.isa);
sys::swapByteOrder(cfs.flags);
sys::swapByteOrder(cfs.characters);
sys::swapByteOrder(cfs.length);
3703}

3705inline void swapStruct(struct class64_t &c) {
sys::swapByteOrder(c.isa);
sys::swapByteOrder(c.superclass);
sys::swapByteOrder(c.cache);
sys::swapByteOrder(c.vtable);
sys::swapByteOrder(c.data);
3711}

3713inline void swapStruct(struct class32_t &c) {
sys::swapByteOrder(c.isa);
sys::swapByteOrder(c.superclass);
sys::swapByteOrder(c.cache);
sys::swapByteOrder(c.vtable);
sys::swapByteOrder(c.data);
3719}

3721inline void swapStruct(struct class_ro64_t &cro) {
sys::swapByteOrder(cro.flags);
sys::swapByteOrder(cro.instanceStart);
sys::swapByteOrder(cro.instanceSize);
sys::swapByteOrder(cro.reserved);
sys::swapByteOrder(cro.ivarLayout);
sys::swapByteOrder(cro.name);
sys::swapByteOrder(cro.baseMethods);
sys::swapByteOrder(cro.baseProtocols);
sys::swapByteOrder(cro.ivars);
sys::swapByteOrder(cro.weakIvarLayout);
sys::swapByteOrder(cro.baseProperties);
3733}

3735inline void swapStruct(struct class_ro32_t &cro) {
sys::swapByteOrder(cro.flags);
sys::swapByteOrder(cro.instanceStart);
sys::swapByteOrder(cro.instanceSize);
sys::swapByteOrder(cro.ivarLayout);
sys::swapByteOrder(cro.name);
sys::swapByteOrder(cro.baseMethods);
sys::swapByteOrder(cro.baseProtocols);
sys::swapByteOrder(cro.ivars);
sys::swapByteOrder(cro.weakIvarLayout);
sys::swapByteOrder(cro.baseProperties);
3746}

3748inline void swapStruct(struct method_list64_t &ml) {
sys::swapByteOrder(ml.entsize);
sys::swapByteOrder(ml.count);
3751}

3753inline void swapStruct(struct method_list32_t &ml) {
sys::swapByteOrder(ml.entsize);
sys::swapByteOrder(ml.count);
3756}

3758inline void swapStruct(struct method64_t &m) {
sys::swapByteOrder(m.name);
sys::swapByteOrder(m.types);
sys::swapByteOrder(m.imp);
3762}

3764inline void swapStruct(struct method32_t &m) {
sys::swapByteOrder(m.name);
sys::swapByteOrder(m.types);
sys::swapByteOrder(m.imp);
3768}

3770inline void swapStruct(struct protocol_list64_t &pl) {
sys::swapByteOrder(pl.count);
3772}

3774inline void swapStruct(struct protocol_list32_t &pl) {
sys::swapByteOrder(pl.count);
3776}

3778inline void swapStruct(struct protocol64_t &p) {
sys::swapByteOrder(p.isa);
sys::swapByteOrder(p.name);
sys::swapByteOrder(p.protocols);
sys::swapByteOrder(p.instanceMethods);
sys::swapByteOrder(p.classMethods);
sys::swapByteOrder(p.optionalInstanceMethods);
sys::swapByteOrder(p.optionalClassMethods);
sys::swapByteOrder(p.instanceProperties);
3787}

3789inline void swapStruct(struct protocol32_t &p) {
sys::swapByteOrder(p.isa);
sys::swapByteOrder(p.name);
sys::swapByteOrder(p.protocols);
sys::swapByteOrder(p.instanceMethods);
sys::swapByteOrder(p.classMethods);
sys::swapByteOrder(p.optionalInstanceMethods);
sys::swapByteOrder(p.optionalClassMethods);
sys::swapByteOrder(p.instanceProperties);
3798}

3800inline void swapStruct(struct ivar_list64_t &il) {
sys::swapByteOrder(il.entsize);
sys::swapByteOrder(il.count);
3803}

3805inline void swapStruct(struct ivar_list32_t &il) {
sys::swapByteOrder(il.entsize);
sys::swapByteOrder(il.count);
3808}

3810inline void swapStruct(struct ivar64_t &i) {
sys::swapByteOrder(i.offset);
sys::swapByteOrder(i.name);
sys::swapByteOrder(i.type);
sys::swapByteOrder(i.alignment);
sys::swapByteOrder(i.size);
3816}

3818inline void swapStruct(struct ivar32_t &i) {
sys::swapByteOrder(i.offset);
sys::swapByteOrder(i.name);
sys::swapByteOrder(i.type);
sys::swapByteOrder(i.alignment);
sys::swapByteOrder(i.size);
3824}

3826inline void swapStruct(struct objc_property_list64 &pl) {
sys::swapByteOrder(pl.entsize);
sys::swapByteOrder(pl.count);
3829}

3831inline void swapStruct(struct objc_property_list32 &pl) {
sys::swapByteOrder(pl.entsize);
sys::swapByteOrder(pl.count);
3834}

3836inline void swapStruct(struct objc_property64 &op) {
sys::swapByteOrder(op.name);
sys::swapByteOrder(op.attributes);
3839}

3841inline void swapStruct(struct objc_property32 &op) {
sys::swapByteOrder(op.name);
sys::swapByteOrder(op.attributes);
3844}

3846inline void swapStruct(struct category64_t &c) {
sys::swapByteOrder(c.name);
sys::swapByteOrder(c.cls);
sys::swapByteOrder(c.instanceMethods);
sys::swapByteOrder(c.classMethods);
sys::swapByteOrder(c.protocols);
sys::swapByteOrder(c.instanceProperties);
3853}

3855inline void swapStruct(struct category32_t &c) {
sys::swapByteOrder(c.name);
sys::swapByteOrder(c.cls);
sys::swapByteOrder(c.instanceMethods);
sys::swapByteOrder(c.classMethods);
sys::swapByteOrder(c.protocols);
sys::swapByteOrder(c.instanceProperties);
3862}

3864inline void swapStruct(struct objc_image_info64 &o) {
sys::swapByteOrder(o.version);
sys::swapByteOrder(o.flags);
3867}

3869inline void swapStruct(struct objc_image_info32 &o) {
sys::swapByteOrder(o.version);
sys::swapByteOrder(o.flags);
3872}

3874inline void swapStruct(struct imageInfo_t &o) {
sys::swapByteOrder(o.version);
sys::swapByteOrder(o.flags);
3877}

3879inline void swapStruct(struct message_ref64 &mr) {
sys::swapByteOrder(mr.imp);
sys::swapByteOrder(mr.sel);
3882}

3884inline void swapStruct(struct message_ref32 &mr) {
sys::swapByteOrder(mr.imp);
sys::swapByteOrder(mr.sel);
3887}

3889inline void swapStruct(struct objc_module_t &module) {
sys::swapByteOrder(module.version);
sys::swapByteOrder(module.size);
sys::swapByteOrder(module.name);
sys::swapByteOrder(module.symtab);
3894}

3896inline void swapStruct(struct objc_symtab_t &symtab) {
sys::swapByteOrder(symtab.sel_ref_cnt);
sys::swapByteOrder(symtab.refs);
sys::swapByteOrder(symtab.cls_def_cnt);
sys::swapByteOrder(symtab.cat_def_cnt);
3901}

3903inline void swapStruct(struct objc_class_t &objc_class) {
sys::swapByteOrder(objc_class.isa);
sys::swapByteOrder(objc_class.super_class);
sys::swapByteOrder(objc_class.name);
sys::swapByteOrder(objc_class.version);
sys::swapByteOrder(objc_class.info);
sys::swapByteOrder(objc_class.instance_size);
sys::swapByteOrder(objc_class.ivars);
sys::swapByteOrder(objc_class.methodLists);
sys::swapByteOrder(objc_class.cache);
sys::swapByteOrder(objc_class.protocols);
3914}

3916inline void swapStruct(struct objc_category_t &objc_category) {
sys::swapByteOrder(objc_category.category_name);
sys::swapByteOrder(objc_category.class_name);
sys::swapByteOrder(objc_category.instance_methods);
sys::swapByteOrder(objc_category.class_methods);
sys::swapByteOrder(objc_category.protocols);
3922}

3924inline void swapStruct(struct objc_ivar_list_t &objc_ivar_list) {
sys::swapByteOrder(objc_ivar_list.ivar_count);
3926}

3928inline void swapStruct(struct objc_ivar_t &objc_ivar) {
sys::swapByteOrder(objc_ivar.ivar_name);
sys::swapByteOrder(objc_ivar.ivar_type);
sys::swapByteOrder(objc_ivar.ivar_offset);
3932}

3934inline void swapStruct(struct objc_method_list_t &method_list) {
sys::swapByteOrder(method_list.obsolete);
sys::swapByteOrder(method_list.method_count);
3937}

3939inline void swapStruct(struct objc_method_t &method) {
sys::swapByteOrder(method.method_name);
sys::swapByteOrder(method.method_types);
sys::swapByteOrder(method.method_imp);
3943}

3945inline void swapStruct(struct objc_protocol_list_t &protocol_list) {
sys::swapByteOrder(protocol_list.next);
sys::swapByteOrder(protocol_list.count);
3948}

3950inline void swapStruct(struct objc_protocol_t &protocol) {
sys::swapByteOrder(protocol.isa);
sys::swapByteOrder(protocol.protocol_name);
sys::swapByteOrder(protocol.protocol_list);
sys::swapByteOrder(protocol.instance_methods);
sys::swapByteOrder(protocol.class_methods);
3956}

3958inline void swapStruct(struct objc_method_description_list_t &mdl) {
sys::swapByteOrder(mdl.count);
3960}

3962inline void swapStruct(struct objc_method_description_t &md) {
sys::swapByteOrder(md.name);
sys::swapByteOrder(md.types);
3965}

3967} // namespace

3969static const char *get_dyld_bind_info_symbolname(uint64_t ReferenceValue,
                                               struct DisassembleInfo *info);

3972// get_objc2_64bit_class_name() is used for disassembly and is passed a pointer
3973// to an Objective-C class and returns the class name.  It is also passed the
3974// address of the pointer, so when the pointer is zero as it can be in an .o
3975// file, that is used to look for an external relocation entry with a symbol
3976// name.
3977static const char *get_objc2_64bit_class_name(uint64_t pointer_value,
                                            uint64_t ReferenceValue,
                                            struct DisassembleInfo *info) {
const char *r;
uint32_t offset, left;
SectionRef S;

// The pointer_value can be 0 in an object file and have a relocation
// entry for the class symbol at the ReferenceValue (the address of the
// pointer).
if (pointer_value == 0) {
  r = get_pointer_64(ReferenceValue, offset, left, S, info);
  if (r == nullptr || left < sizeof(uint64_t))
    return nullptr;
  uint64_t n_value;
  const char *symbol_name = get_symbol_64(offset, S, info, n_value);
  if (symbol_name == nullptr)
    return nullptr;
  const char *class_name = strrchr(symbol_name, '$');
  if (class_name != nullptr && class_name[1] == '_' && class_name[2] != '\0')
    return class_name + 2;
  else
    return nullptr;
}

// The case were the pointer_value is non-zero and points to a class defined
// in this Mach-O file.
r = get_pointer_64(pointer_value, offset, left, S, info);
if (r == nullptr || left < sizeof(struct class64_t))
  return nullptr;
struct class64_t c;
memcpy(&c, r, sizeof(struct class64_t));
if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
  swapStruct(c);
if (c.data == 0)
  return nullptr;
r = get_pointer_64(c.data, offset, left, S, info);
if (r == nullptr || left < sizeof(struct class_ro64_t))
  return nullptr;
struct class_ro64_t cro;
memcpy(&cro, r, sizeof(struct class_ro64_t));
if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
  swapStruct(cro);
if (cro.name == 0)
  return nullptr;
const char *name = get_pointer_64(cro.name, offset, left, S, info);
return name;
4024}

4026// get_objc2_64bit_cfstring_name is used for disassembly and is passed a
4027// pointer to a cfstring and returns its name or nullptr.
4028static const char *get_objc2_64bit_cfstring_name(uint64_t ReferenceValue,
                                               struct DisassembleInfo *info) {
const char *r, *name;
uint32_t offset, left;
SectionRef S;
struct cfstring64_t cfs;
uint64_t cfs_characters;

r = get_pointer_64(ReferenceValue, offset, left, S, info);
if (r == nullptr || left < sizeof(struct cfstring64_t))
  return nullptr;
memcpy(&cfs, r, sizeof(struct cfstring64_t));
if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
  swapStruct(cfs);
if (cfs.characters == 0) {
  uint64_t n_value;
  const char *symbol_name = get_symbol_64(
      offset + offsetof(struct cfstring64_t, characters)__builtin_offsetof(struct cfstring64_t, characters), S, info, n_value);
  if (symbol_name == nullptr)
    return nullptr;
  cfs_characters = n_value;
} else
  cfs_characters = cfs.characters;
name = get_pointer_64(cfs_characters, offset, left, S, info);

return name;
4054}

4056// get_objc2_64bit_selref() is used for disassembly and is passed a the address
4057// of a pointer to an Objective-C selector reference when the pointer value is
4058// zero as in a .o file and is likely to have a external relocation entry with
4059// who's symbol's n_value is the real pointer to the selector name.  If that is
4060// the case the real pointer to the selector name is returned else 0 is
4061// returned
4062static uint64_t get_objc2_64bit_selref(uint64_t ReferenceValue,
                                     struct DisassembleInfo *info) {
uint32_t offset, left;
SectionRef S;

const char *r = get_pointer_64(ReferenceValue, offset, left, S, info);
if (r == nullptr || left < sizeof(uint64_t))
  return 0;
uint64_t n_value;
const char *symbol_name = get_symbol_64(offset, S, info, n_value);
if (symbol_name == nullptr)
  return 0;
return n_value;
4075}

4077static const SectionRef get_section(MachOObjectFile *O, const char *segname,
                                  const char *sectname) {
for (const SectionRef &Section : O->sections()) {
  StringRef SectName;
  Expected<StringRef> SecNameOrErr = Section.getName();
  if (SecNameOrErr)
    SectName = *SecNameOrErr;
  else
    consumeError(SecNameOrErr.takeError());

  DataRefImpl Ref = Section.getRawDataRefImpl();
  StringRef SegName = O->getSectionFinalSegmentName(Ref);
  if (SegName == segname && SectName == sectname)
    return Section;
}
return SectionRef();
4093}

4095static void
4096walk_pointer_list_64(const char *listname, const SectionRef S,
                   MachOObjectFile *O, struct DisassembleInfo *info,
                   void (*func)(uint64_t, struct DisassembleInfo *info)) {
if (S == SectionRef())
  return;

StringRef SectName;
Expected<StringRef> SecNameOrErr = S.getName();
if (SecNameOrErr)
  SectName = *SecNameOrErr;
else
  consumeError(SecNameOrErr.takeError());

DataRefImpl Ref = S.getRawDataRefImpl();
StringRef SegName = O->getSectionFinalSegmentName(Ref);
outs() << "Contents of (" << SegName << "," << SectName << ") section\n";

StringRef BytesStr = unwrapOrError(S.getContents(), O->getFileName());
const char *Contents = reinterpret_cast<const char *>(BytesStr.data());

for (uint32_t i = 0; i < S.getSize(); i += sizeof(uint64_t)) {
  uint32_t left = S.getSize() - i;
  uint32_t size = left < sizeof(uint64_t) ? left : sizeof(uint64_t);
  uint64_t p = 0;
  memcpy(&p, Contents + i, size);
  if (i + sizeof(uint64_t) > S.getSize())
    outs() << listname << " list pointer extends past end of (" << SegName
           << "," << SectName << ") section\n";
  outs() << format("%016" PRIx64"llx", S.getAddress() + i) << " ";

  if (O->isLittleEndian() != sys::IsLittleEndianHost)
    sys::swapByteOrder(p);

  uint64_t n_value = 0;
  const char *name = get_symbol_64(i, S, info, n_value, p);
  if (name == nullptr)
    name = get_dyld_bind_info_symbolname(S.getAddress() + i, info);

  if (n_value != 0) {
    outs() << format("0x%" PRIx64"llx", n_value);
    if (p != 0)
      outs() << " + " << format("0x%" PRIx64"llx", p);
  } else
    outs() << format("0x%" PRIx64"llx", p);
  if (name != nullptr)
    outs() << " " << name;
  outs() << "\n";

  p += n_value;
  if (func)
    func(p, info);
}
4148}

4150static void
4151walk_pointer_list_32(const char *listname, const SectionRef S,
                   MachOObjectFile *O, struct DisassembleInfo *info,
                   void (*func)(uint32_t, struct DisassembleInfo *info)) {
if (S == SectionRef())
  return;

StringRef SectName = unwrapOrError(S.getName(), O->getFileName());
DataRefImpl Ref = S.getRawDataRefImpl();
StringRef SegName = O->getSectionFinalSegmentName(Ref);
outs() << "Contents of (" << SegName << "," << SectName << ") section\n";

StringRef BytesStr = unwrapOrError(S.getContents(), O->getFileName());
const char *Contents = reinterpret_cast<const char *>(BytesStr.data());

for (uint32_t i = 0; i < S.getSize(); i += sizeof(uint32_t)) {
  uint32_t left = S.getSize() - i;
  uint32_t size = left < sizeof(uint32_t) ? left : sizeof(uint32_t);
  uint32_t p = 0;
  memcpy(&p, Contents + i, size);
  if (i + sizeof(uint32_t) > S.getSize())
    outs() << listname << " list pointer extends past end of (" << SegName
           << "," << SectName << ") section\n";
  uint32_t Address = S.getAddress() + i;
  outs() << format("%08" PRIx32"x", Address) << " ";

  if (O->isLittleEndian() != sys::IsLittleEndianHost)
    sys::swapByteOrder(p);
  outs() << format("0x%" PRIx32"x", p);

  const char *name = get_symbol_32(i, S, info, p);
  if (name != nullptr)
    outs() << " " << name;
  outs() << "\n";

  if (func)
    func(p, info);
}
4188}

4190static void print_layout_map(const char *layout_map, uint32_t left) {
if (layout_map == nullptr)
  return;
outs() << "                layout map: ";
do {
  outs() << format("0x%02" PRIx32"x", (*layout_map) & 0xff) << " ";
  left--;
  layout_map++;
} while (*layout_map != '\0' && left != 0);
outs() << "\n";
4200}

4202static void print_layout_map64(uint64_t p, struct DisassembleInfo *info) {
uint32_t offset, left;
SectionRef S;
const char *layout_map;

if (p == 0)
  return;
layout_map = get_pointer_64(p, offset, left, S, info);
print_layout_map(layout_map, left);
4211}

4213static void print_layout_map32(uint32_t p, struct DisassembleInfo *info) {
uint32_t offset, left;
SectionRef S;
const char *layout_map;

if (p == 0)
  return;
layout_map = get_pointer_32(p, offset, left, S, info);
print_layout_map(layout_map, left);
4222}

4224static void print_method_list64_t(uint64_t p, struct DisassembleInfo *info,
                                const char *indent) {
struct method_list64_t ml;
struct method64_t m;
const char *r;
uint32_t offset, xoffset, left, i;
SectionRef S, xS;
const char *name, *sym_name;
uint64_t n_value;

r = get_pointer_64(p, offset, left, S, info);
if (r == nullptr)
  return;
memset(&ml, '\0', sizeof(struct method_list64_t));
if (left < sizeof(struct method_list64_t)) {
  memcpy(&ml, r, left);
  outs() << "   (method_list_t entends past the end of the section)\n";
} else
  memcpy(&ml, r, sizeof(struct method_list64_t));
if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
  swapStruct(ml);
outs() << indent << "\t\t   entsize " << ml.entsize << "\n";
outs() << indent << "\t\t     count " << ml.count << "\n";

p += sizeof(struct method_list64_t);
offset += sizeof(struct method_list64_t);
for (i = 0; i < ml.count; i++) {
  r = get_pointer_64(p, offset, left, S, info);
  if (r == nullptr)
    return;
  memset(&m, '\0', sizeof(struct method64_t));
  if (left < sizeof(struct method64_t)) {
    memcpy(&m, r, left);
    outs() << indent << "   (method_t extends past the end of the section)\n";
  } else
    memcpy(&m, r, sizeof(struct method64_t));
  if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
    swapStruct(m);

  outs() << indent << "\t\t      name ";
  sym_name = get_symbol_64(offset + offsetof(struct method64_t, name)__builtin_offsetof(struct method64_t, name), S,
                           info, n_value, m.name);
  if (n_value != 0) {
    if (info->verbose && sym_name != nullptr)
      outs() << sym_name;
    else
      outs() << format("0x%" PRIx64"llx", n_value);
    if (m.name != 0)
      outs() << " + " << format("0x%" PRIx64"llx", m.name);
  } else
    outs() << format("0x%" PRIx64"llx", m.name);
  name = get_pointer_64(m.name + n_value, xoffset, left, xS, info);
  if (name != nullptr)
    outs() << format(" %.*s", left, name);
  outs() << "\n";

  outs() << indent << "\t\t     types ";
  sym_name = get_symbol_64(offset + offsetof(struct method64_t, types)__builtin_offsetof(struct method64_t, types), S,
                           info, n_value, m.types);
  if (n_value != 0) {
    if (info->verbose && sym_name != nullptr)
      outs() << sym_name;
    else
      outs() << format("0x%" PRIx64"llx", n_value);
    if (m.types != 0)
      outs() << " + " << format("0x%" PRIx64"llx", m.types);
  } else
    outs() << format("0x%" PRIx64"llx", m.types);
  name = get_pointer_64(m.types + n_value, xoffset, left, xS, info);
  if (name != nullptr)
    outs() << format(" %.*s", left, name);
  outs() << "\n";

  outs() << indent << "\t\t       imp ";
  name = get_symbol_64(offset + offsetof(struct method64_t, imp)__builtin_offsetof(struct method64_t, imp), S, info,
                       n_value, m.imp);
  if (info->verbose && name == nullptr) {
    if (n_value != 0) {
      outs() << format("0x%" PRIx64"llx", n_value) << " ";
      if (m.imp != 0)
        outs() << "+ " << format("0x%" PRIx64"llx", m.imp) << " ";
    } else
      outs() << format("0x%" PRIx64"llx", m.imp) << " ";
  }
  if (name != nullptr)
    outs() << name;
  outs() << "\n";

  p += sizeof(struct method64_t);
  offset += sizeof(struct method64_t);
}
4315}

4317static void print_method_list32_t(uint64_t p, struct DisassembleInfo *info,
                                const char *indent) {
struct method_list32_t ml;
struct method32_t m;
const char *r, *name;
uint32_t offset, xoffset, left, i;
SectionRef S, xS;

r = get_pointer_32(p, offset, left, S, info);
if (r == nullptr)
  return;
memset(&ml, '\0', sizeof(struct method_list32_t));
if (left < sizeof(struct method_list32_t)) {
  memcpy(&ml, r, left);
  outs() << "   (method_list_t entends past the end of the section)\n";
} else
  memcpy(&ml, r, sizeof(struct method_list32_t));
if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
  swapStruct(ml);
outs() << indent << "\t\t   entsize " << ml.entsize << "\n";
outs() << indent << "\t\t     count " << ml.count << "\n";

p += sizeof(struct method_list32_t);
offset += sizeof(struct method_list32_t);
for (i = 0; i < ml.count; i++) {
  r = get_pointer_32(p, offset, left, S, info);
  if (r == nullptr)
    return;
  memset(&m, '\0', sizeof(struct method32_t));
  if (left < sizeof(struct method32_t)) {
    memcpy(&ml, r, left);
    outs() << indent << "   (method_t entends past the end of the section)\n";
  } else
    memcpy(&m, r, sizeof(struct method32_t));
  if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
    swapStruct(m);

  outs() << indent << "\t\t      name " << format("0x%" PRIx32"x", m.name);
  name = get_pointer_32(m.name, xoffset, left, xS, info);
  if (name != nullptr)
    outs() << format(" %.*s", left, name);
  outs() << "\n";

  outs() << indent << "\t\t     types " << format("0x%" PRIx32"x", m.types);
  name = get_pointer_32(m.types, xoffset, left, xS, info);
  if (name != nullptr)
    outs() << format(" %.*s", left, name);
  outs() << "\n";

  outs() << indent << "\t\t       imp " << format("0x%" PRIx32"x", m.imp);
  name = get_symbol_32(offset + offsetof(struct method32_t, imp)__builtin_offsetof(struct method32_t, imp), S, info,
                       m.imp);
  if (name != nullptr)
    outs() << " " << name;
  outs() << "\n";

  p += sizeof(struct method32_t);
  offset += sizeof(struct method32_t);
}
4376}

4378static bool print_method_list(uint32_t p, struct DisassembleInfo *info) {
uint32_t offset, left, xleft;
SectionRef S;
struct objc_method_list_t method_list;
struct objc_method_t method;
const char *r, *methods, *name, *SymbolName;
int32_t i;

r = get_pointer_32(p, offset, left, S, info, true);
if (r == nullptr)
  return true;

outs() << "\n";
if (left > sizeof(struct objc_method_list_t)) {
  memcpy(&method_list, r, sizeof(struct objc_method_list_t));
} else {
  outs() << "\t\t objc_method_list extends past end of the section\n";
  memset(&method_list, '\0', sizeof(struct objc_method_list_t));
  memcpy(&method_list, r, left);
}
if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
  swapStruct(method_list);

outs() << "\t\t         obsolete "
       << format("0x%08" PRIx32"x", method_list.obsolete) << "\n";
outs() << "\t\t     method_count " << method_list.method_count << "\n";

methods = r + sizeof(struct objc_method_list_t);
for (i = 0; i < method_list.method_count; i++) {
  if ((i + 1) * sizeof(struct objc_method_t) > left) {
    outs() << "\t\t remaining method's extend past the of the section\n";
    break;
  }
  memcpy(&method, methods + i * sizeof(struct objc_method_t),
         sizeof(struct objc_method_t));
  if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
    swapStruct(method);

  outs() << "\t\t      method_name "
         << format("0x%08" PRIx32"x", method.method_name);
  if (info->verbose) {
    name = get_pointer_32(method.method_name, offset, xleft, S, info, true);
    if (name != nullptr)
      outs() << format(" %.*s", xleft, name);
    else
      outs() << " (not in an __OBJC section)";
  }
  outs() << "\n";

  outs() << "\t\t     method_types "
         << format("0x%08" PRIx32"x", method.method_types);
  if (info->verbose) {
    name = get_pointer_32(method.method_types, offset, xleft, S, info, true);
    if (name != nullptr)
      outs() << format(" %.*s", xleft, name);
    else
      outs() << " (not in an __OBJC section)";
  }
  outs() << "\n";

  outs() << "\t\t       method_imp "
         << format("0x%08" PRIx32"x", method.method_imp) << " ";
  if (info->verbose) {
    SymbolName = GuessSymbolName(method.method_imp, info->AddrMap);
    if (SymbolName != nullptr)
      outs() << SymbolName;
  }
  outs() << "\n";
}
return false;
4448}

4450static void print_protocol_list64_t(uint64_t p, struct DisassembleInfo *info) {
struct protocol_list64_t pl;
uint64_t q, n_value;
struct protocol64_t pc;
const char *r;
uint32_t offset, xoffset, left, i;
SectionRef S, xS;
const char *name, *sym_name;

r = get_pointer_64(p, offset, left, S, info);
if (r == nullptr)
  return;
memset(&pl, '\0', sizeof(struct protocol_list64_t));
if (left < sizeof(struct protocol_list64_t)) {
  memcpy(&pl, r, left);
  outs() << "   (protocol_list_t entends past the end of the section)\n";
} else
  memcpy(&pl, r, sizeof(struct protocol_list64_t));
if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
  swapStruct(pl);
outs() << "                      count " << pl.count << "\n";

p += sizeof(struct protocol_list64_t);
offset += sizeof(struct protocol_list64_t);
for (i = 0; i < pl.count; i++) {
  r = get_pointer_64(p, offset, left, S, info);
  if (r == nullptr)
    return;
  q = 0;
  if (left < sizeof(uint64_t)) {
    memcpy(&q, r, left);
    outs() << "   (protocol_t * entends past the end of the section)\n";
  } else
    memcpy(&q, r, sizeof(uint64_t));
  if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
    sys::swapByteOrder(q);

  outs() << "\t\t      list[" << i << "] ";
  sym_name = get_symbol_64(offset, S, info, n_value, q);
  if (n_value != 0) {
    if (info->verbose && sym_name != nullptr)
      outs() << sym_name;
    else
      outs() << format("0x%" PRIx64"llx", n_value);
    if (q != 0)
      outs() << " + " << format("0x%" PRIx64"llx", q);
  } else
    outs() << format("0x%" PRIx64"llx", q);
  outs() << " (struct protocol_t *)\n";

  r = get_pointer_64(q + n_value, offset, left, S, info);
  if (r == nullptr)
    return;
  memset(&pc, '\0', sizeof(struct protocol64_t));
  if (left < sizeof(struct protocol64_t)) {
    memcpy(&pc, r, left);
    outs() << "   (protocol_t entends past the end of the section)\n";
  } else
    memcpy(&pc, r, sizeof(struct protocol64_t));
  if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
    swapStruct(pc);

  outs() << "\t\t\t      isa " << format("0x%" PRIx64"llx", pc.isa) << "\n";

  outs() << "\t\t\t     name ";
  sym_name = get_symbol_64(offset + offsetof(struct protocol64_t, name)__builtin_offsetof(struct protocol64_t, name), S,
                           info, n_value, pc.name);
  if (n_value != 0) {
    if (info->verbose && sym_name != nullptr)
      outs() << sym_name;
    else
      outs() << format("0x%" PRIx64"llx", n_value);
    if (pc.name != 0)
      outs() << " + " << format("0x%" PRIx64"llx", pc.name);
  } else
    outs() << format("0x%" PRIx64"llx", pc.name);
  name = get_pointer_64(pc.name + n_value, xoffset, left, xS, info);
  if (name != nullptr)
    outs() << format(" %.*s", left, name);
  outs() << "\n";

  outs() << "\t\t\tprotocols " << format("0x%" PRIx64"llx", pc.protocols) << "\n";

  outs() << "\t\t  instanceMethods ";
  sym_name =
      get_symbol_64(offset + offsetof(struct protocol64_t, instanceMethods)__builtin_offsetof(struct protocol64_t, instanceMethods),
                    S, info, n_value, pc.instanceMethods);
  if (n_value != 0) {
    if (info->verbose && sym_name != nullptr)
      outs() << sym_name;
    else
      outs() << format("0x%" PRIx64"llx", n_value);
    if (pc.instanceMethods != 0)
      outs() << " + " << format("0x%" PRIx64"llx", pc.instanceMethods);
  } else
    outs() << format("0x%" PRIx64"llx", pc.instanceMethods);
  outs() << " (struct method_list_t *)\n";
  if (pc.instanceMethods + n_value != 0)
    print_method_list64_t(pc.instanceMethods + n_value, info, "\t");

  outs() << "\t\t     classMethods ";
  sym_name =
      get_symbol_64(offset + offsetof(struct protocol64_t, classMethods)__builtin_offsetof(struct protocol64_t, classMethods), S,
                    info, n_value, pc.classMethods);
  if (n_value != 0) {
    if (info->verbose && sym_name != nullptr)
      outs() << sym_name;
    else
      outs() << format("0x%" PRIx64"llx", n_value);
    if (pc.classMethods != 0)
      outs() << " + " << format("0x%" PRIx64"llx", pc.classMethods);
  } else
    outs() << format("0x%" PRIx64"llx", pc.classMethods);
  outs() << " (struct method_list_t *)\n";
  if (pc.classMethods + n_value != 0)
    print_method_list64_t(pc.classMethods + n_value, info, "\t");

  outs() << "\t  optionalInstanceMethods "
         << format("0x%" PRIx64"llx", pc.optionalInstanceMethods) << "\n";
  outs() << "\t     optionalClassMethods "
         << format("0x%" PRIx64"llx", pc.optionalClassMethods) << "\n";
  outs() << "\t       instanceProperties "
         << format("0x%" PRIx64"llx", pc.instanceProperties) << "\n";

  p += sizeof(uint64_t);
  offset += sizeof(uint64_t);
}
4577}

4579static void print_protocol_list32_t(uint32_t p, struct DisassembleInfo *info) {
struct protocol_list32_t pl;
uint32_t q;
struct protocol32_t pc;
const char *r;
uint32_t offset, xoffset, left, i;
SectionRef S, xS;
const char *name;

r = get_pointer_32(p, offset, left, S, info);
if (r == nullptr)
  return;
memset(&pl, '\0', sizeof(struct protocol_list32_t));
if (left < sizeof(struct protocol_list32_t)) {
  memcpy(&pl, r, left);
  outs() << "   (protocol_list_t entends past the end of the section)\n";
} else
  memcpy(&pl, r, sizeof(struct protocol_list32_t));
if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
  swapStruct(pl);
outs() << "                      count " << pl.count << "\n";

p += sizeof(struct protocol_list32_t);
offset += sizeof(struct protocol_list32_t);
for (i = 0; i < pl.count; i++) {
  r = get_pointer_32(p, offset, left, S, info);
  if (r == nullptr)
    return;
  q = 0;
  if (left < sizeof(uint32_t)) {
    memcpy(&q, r, left);
    outs() << "   (protocol_t * entends past the end of the section)\n";
  } else
    memcpy(&q, r, sizeof(uint32_t));
  if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
    sys::swapByteOrder(q);
  outs() << "\t\t      list[" << i << "] " << format("0x%" PRIx32"x", q)
         << " (struct protocol_t *)\n";
  r = get_pointer_32(q, offset, left, S, info);
  if (r == nullptr)
    return;
  memset(&pc, '\0', sizeof(struct protocol32_t));
  if (left < sizeof(struct protocol32_t)) {
    memcpy(&pc, r, left);
    outs() << "   (protocol_t entends past the end of the section)\n";
  } else
    memcpy(&pc, r, sizeof(struct protocol32_t));
  if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
    swapStruct(pc);
  outs() << "\t\t\t      isa " << format("0x%" PRIx32"x", pc.isa) << "\n";
  outs() << "\t\t\t     name " << format("0x%" PRIx32"x", pc.name);
  name = get_pointer_32(pc.name, xoffset, left, xS, info);
  if (name != nullptr)
    outs() << format(" %.*s", left, name);
  outs() << "\n";
  outs() << "\t\t\tprotocols " << format("0x%" PRIx32"x", pc.protocols) << "\n";
  outs() << "\t\t  instanceMethods "
         << format("0x%" PRIx32"x", pc.instanceMethods)
         << " (struct method_list_t *)\n";
  if (pc.instanceMethods != 0)
    print_method_list32_t(pc.instanceMethods, info, "\t");
  outs() << "\t\t     classMethods " << format("0x%" PRIx32"x", pc.classMethods)
         << " (struct method_list_t *)\n";
  if (pc.classMethods != 0)
    print_method_list32_t(pc.classMethods, info, "\t");
  outs() << "\t  optionalInstanceMethods "
         << format("0x%" PRIx32"x", pc.optionalInstanceMethods) << "\n";
  outs() << "\t     optionalClassMethods "
         << format("0x%" PRIx32"x", pc.optionalClassMethods) << "\n";
  outs() << "\t       instanceProperties "
         << format("0x%" PRIx32"x", pc.instanceProperties) << "\n";
  p += sizeof(uint32_t);
  offset += sizeof(uint32_t);
}
4653}

4655static void print_indent(uint32_t indent) {
for (uint32_t i = 0; i < indent;) {
  if (indent - i >= 8) {
    outs() << "\t";
    i += 8;
  } else {
    for (uint32_t j = i; j < indent; j++)
      outs() << " ";
    return;
  }
}
4666}

4668static bool print_method_description_list(uint32_t p, uint32_t indent,
                                        struct DisassembleInfo *info) {
uint32_t offset, left, xleft;
SectionRef S;
struct objc_method_description_list_t mdl;
struct objc_method_description_t md;
const char *r, *list, *name;
int32_t i;

r = get_pointer_32(p, offset, left, S, info, true);
if (r == nullptr)
  return true;

outs() << "\n";
if (left > sizeof(struct objc_method_description_list_t)) {
  memcpy(&mdl, r, sizeof(struct objc_method_description_list_t));
} else {
  print_indent(indent);
  outs() << " objc_method_description_list extends past end of the section\n";
  memset(&mdl, '\0', sizeof(struct objc_method_description_list_t));
  memcpy(&mdl, r, left);
}
if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
  swapStruct(mdl);

print_indent(indent);
outs() << "        count " << mdl.count << "\n";

list = r + sizeof(struct objc_method_description_list_t);
for (i = 0; i < mdl.count; i++) {
  if ((i + 1) * sizeof(struct objc_method_description_t) > left) {
    print_indent(indent);
    outs() << " remaining list entries extend past the of the section\n";
    break;
  }
  print_indent(indent);
  outs() << "        list[" << i << "]\n";
  memcpy(&md, list + i * sizeof(struct objc_method_description_t),
         sizeof(struct objc_method_description_t));
  if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
    swapStruct(md);

  print_indent(indent);
  outs() << "             name " << format("0x%08" PRIx32"x", md.name);
  if (info->verbose) {
    name = get_pointer_32(md.name, offset, xleft, S, info, true);
    if (name != nullptr)
      outs() << format(" %.*s", xleft, name);
    else
      outs() << " (not in an __OBJC section)";
  }
  outs() << "\n";

  print_indent(indent);
  outs() << "            types " << format("0x%08" PRIx32"x", md.types);
  if (info->verbose) {
    name = get_pointer_32(md.types, offset, xleft, S, info, true);
    if (name != nullptr)
      outs() << format(" %.*s", xleft, name);
    else
      outs() << " (not in an __OBJC section)";
  }
  outs() << "\n";
}
return false;
4733}

4735static bool print_protocol_list(uint32_t p, uint32_t indent,
                              struct DisassembleInfo *info);

4738static bool print_protocol(uint32_t p, uint32_t indent,
                         struct DisassembleInfo *info) {
uint32_t offset, left;
SectionRef S;
struct objc_protocol_t protocol;
const char *r, *name;

r = get_pointer_32(p, offset, left, S, info, true);
if (r == nullptr)
  return true;

outs() << "\n";
if (left >= sizeof(struct objc_protocol_t)) {
  memcpy(&protocol, r, sizeof(struct objc_protocol_t));
} else {
  print_indent(indent);
  outs() << "            Protocol extends past end of the section\n";
  memset(&protocol, '\0', sizeof(struct objc_protocol_t));
  memcpy(&protocol, r, left);
}
if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
  swapStruct(protocol);

print_indent(indent);
outs() << "              isa " << format("0x%08" PRIx32"x", protocol.isa)
       << "\n";

print_indent(indent);
outs() << "    protocol_name "
       << format("0x%08" PRIx32"x", protocol.protocol_name);
if (info->verbose) {
  name = get_pointer_32(protocol.protocol_name, offset, left, S, info, true);
  if (name != nullptr)
    outs() << format(" %.*s", left, name);
  else
    outs() << " (not in an __OBJC section)";
}
outs() << "\n";

print_indent(indent);
outs() << "    protocol_list "
       << format("0x%08" PRIx32"x", protocol.protocol_list);
if (print_protocol_list(protocol.protocol_list, indent + 4, info))
  outs() << " (not in an __OBJC section)\n";

print_indent(indent);
outs() << " instance_methods "
       << format("0x%08" PRIx32"x", protocol.instance_methods);
if (print_method_description_list(protocol.instance_methods, indent, info))
  outs() << " (not in an __OBJC section)\n";

print_indent(indent);
outs() << "    class_methods "
       << format("0x%08" PRIx32"x", protocol.class_methods);
if (print_method_description_list(protocol.class_methods, indent, info))
  outs() << " (not in an __OBJC section)\n";

return false;
4796}

4798static bool print_protocol_list(uint32_t p, uint32_t indent,
                              struct DisassembleInfo *info) {
uint32_t offset, left, l;
SectionRef S;
struct objc_protocol_list_t protocol_list;
const char *r, *list;
int32_t i;

r = get_pointer_32(p, offset, left, S, info, true);
if (r == nullptr)
  return true;

outs() << "\n";
if (left > sizeof(struct objc_protocol_list_t)) {
  memcpy(&protocol_list, r, sizeof(struct objc_protocol_list_t));
} else {
  outs() << "\t\t objc_protocol_list_t extends past end of the section\n";
  memset(&protocol_list, '\0', sizeof(struct objc_protocol_list_t));
  memcpy(&protocol_list, r, left);
}
if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
  swapStruct(protocol_list);

print_indent(indent);
outs() << "         next " << format("0x%08" PRIx32"x", protocol_list.next)
       << "\n";
print_indent(indent);
outs() << "        count " << protocol_list.count << "\n";

list = r + sizeof(struct objc_protocol_list_t);
for (i = 0; i < protocol_list.count; i++) {
  if ((i + 1) * sizeof(uint32_t) > left) {
    outs() << "\t\t remaining list entries extend past the of the section\n";
    break;
  }
  memcpy(&l, list + i * sizeof(uint32_t), sizeof(uint32_t));
  if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
    sys::swapByteOrder(l);

  print_indent(indent);
  outs() << "      list[" << i << "] " << format("0x%08" PRIx32"x", l);
  if (print_protocol(l, indent, info))
    outs() << "(not in an __OBJC section)\n";
}
return false;
4843}

4845static void print_ivar_list64_t(uint64_t p, struct DisassembleInfo *info) {
struct ivar_list64_t il;
struct ivar64_t i;
const char *r;
uint32_t offset, xoffset, left, j;
SectionRef S, xS;
const char *name, *sym_name, *ivar_offset_p;
uint64_t ivar_offset, n_value;

r = get_pointer_64(p, offset, left, S, info);
if (r == nullptr)
  return;
memset(&il, '\0', sizeof(struct ivar_list64_t));
if (left < sizeof(struct ivar_list64_t)) {
  memcpy(&il, r, left);
  outs() << "   (ivar_list_t entends past the end of the section)\n";
} else
  memcpy(&il, r, sizeof(struct ivar_list64_t));
if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
  swapStruct(il);
outs() << "                    entsize " << il.entsize << "\n";
outs() << "                      count " << il.count << "\n";

p += sizeof(struct ivar_list64_t);
offset += sizeof(struct ivar_list64_t);
for (j = 0; j < il.count; j++) {
  r = get_pointer_64(p, offset, left, S, info);
  if (r == nullptr)
    return;
  memset(&i, '\0', sizeof(struct ivar64_t));
  if (left < sizeof(struct ivar64_t)) {
    memcpy(&i, r, left);
    outs() << "   (ivar_t entends past the end of the section)\n";
  } else
    memcpy(&i, r, sizeof(struct ivar64_t));
  if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
    swapStruct(i);

  outs() << "\t\t\t   offset ";
  sym_name = get_symbol_64(offset + offsetof(struct ivar64_t, offset)__builtin_offsetof(struct ivar64_t, offset), S,
                           info, n_value, i.offset);
  if (n_value != 0) {
    if (info->verbose && sym_name != nullptr)
      outs() << sym_name;
    else
      outs() << format("0x%" PRIx64"llx", n_value);
    if (i.offset != 0)
      outs() << " + " << format("0x%" PRIx64"llx", i.offset);
  } else
    outs() << format("0x%" PRIx64"llx", i.offset);
  ivar_offset_p = get_pointer_64(i.offset + n_value, xoffset, left, xS, info);
  if (ivar_offset_p != nullptr && left >= sizeof(*ivar_offset_p)) {
    memcpy(&ivar_offset, ivar_offset_p, sizeof(ivar_offset));
    if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
      sys::swapByteOrder(ivar_offset);
    outs() << " " << ivar_offset << "\n";
  } else
    outs() << "\n";

  outs() << "\t\t\t     name ";
  sym_name = get_symbol_64(offset + offsetof(struct ivar64_t, name)__builtin_offsetof(struct ivar64_t, name), S, info,
                           n_value, i.name);
  if (n_value != 0) {
    if (info->verbose && sym_name != nullptr)
      outs() << sym_name;
    else
      outs() << format("0x%" PRIx64"llx", n_value);
    if (i.name != 0)
      outs() << " + " << format("0x%" PRIx64"llx", i.name);
  } else
    outs() << format("0x%" PRIx64"llx", i.name);
  name = get_pointer_64(i.name + n_value, xoffset, left, xS, info);
  if (name != nullptr)
    outs() << format(" %.*s", left, name);
  outs() << "\n";

  outs() << "\t\t\t     type ";
  sym_name = get_symbol_64(offset + offsetof(struct ivar64_t, type)__builtin_offsetof(struct ivar64_t, type), S, info,
                           n_value, i.name);
  name = get_pointer_64(i.type + n_value, xoffset, left, xS, info);
  if (n_value != 0) {
    if (info->verbose && sym_name != nullptr)
      outs() << sym_name;
    else
      outs() << format("0x%" PRIx64"llx", n_value);
    if (i.type != 0)
      outs() << " + " << format("0x%" PRIx64"llx", i.type);
  } else
    outs() << format("0x%" PRIx64"llx", i.type);
  if (name != nullptr)
    outs() << format(" %.*s", left, name);
  outs() << "\n";

  outs() << "\t\t\talignment " << i.alignment << "\n";
  outs() << "\t\t\t     size " << i.size << "\n";

  p += sizeof(struct ivar64_t);
  offset += sizeof(struct ivar64_t);
}
4944}

4946static void print_ivar_list32_t(uint32_t p, struct DisassembleInfo *info) {
struct ivar_list32_t il;
struct ivar32_t i;
const char *r;
uint32_t offset, xoffset, left, j;
SectionRef S, xS;
const char *name, *ivar_offset_p;
uint32_t ivar_offset;

r = get_pointer_32(p, offset, left, S, info);
if (r == nullptr)
  return;
memset(&il, '\0', sizeof(struct ivar_list32_t));
if (left < sizeof(struct ivar_list32_t)) {
  memcpy(&il, r, left);
  outs() << "   (ivar_list_t entends past the end of the section)\n";
} else
  memcpy(&il, r, sizeof(struct ivar_list32_t));
if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
  swapStruct(il);
outs() << "                    entsize " << il.entsize << "\n";
outs() << "                      count " << il.count << "\n";

p += sizeof(struct ivar_list32_t);
offset += sizeof(struct ivar_list32_t);
for (j = 0; j < il.count; j++) {
  r = get_pointer_32(p, offset, left, S, info);
  if (r == nullptr)
    return;
  memset(&i, '\0', sizeof(struct ivar32_t));
  if (left < sizeof(struct ivar32_t)) {
    memcpy(&i, r, left);
    outs() << "   (ivar_t entends past the end of the section)\n";
  } else
    memcpy(&i, r, sizeof(struct ivar32_t));
  if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
    swapStruct(i);

  outs() << "\t\t\t   offset " << format("0x%" PRIx32"x", i.offset);
  ivar_offset_p = get_pointer_32(i.offset, xoffset, left, xS, info);
  if (ivar_offset_p != nullptr && left >= sizeof(*ivar_offset_p)) {
    memcpy(&ivar_offset, ivar_offset_p, sizeof(ivar_offset));
    if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
      sys::swapByteOrder(ivar_offset);
    outs() << " " << ivar_offset << "\n";
  } else
    outs() << "\n";

  outs() << "\t\t\t     name " << format("0x%" PRIx32"x", i.name);
  name = get_pointer_32(i.name, xoffset, left, xS, info);
  if (name != nullptr)
    outs() << format(" %.*s", left, name);
  outs() << "\n";

  outs() << "\t\t\t     type " << format("0x%" PRIx32"x", i.type);
  name = get_pointer_32(i.type, xoffset, left, xS, info);
  if (name != nullptr)
    outs() << format(" %.*s", left, name);
  outs() << "\n";

  outs() << "\t\t\talignment " << i.alignment << "\n";
  outs() << "\t\t\t     size " << i.size << "\n";

  p += sizeof(struct ivar32_t);
  offset += sizeof(struct ivar32_t);
}
5012}

5014static void print_objc_property_list64(uint64_t p,
                                     struct DisassembleInfo *info) {
struct objc_property_list64 opl;
struct objc_property64 op;
const char *r;
uint32_t offset, xoffset, left, j;
SectionRef S, xS;
const char *name, *sym_name;
uint64_t n_value;

r = get_pointer_64(p, offset, left, S, info);
if (r == nullptr)
  return;
memset(&opl, '\0', sizeof(struct objc_property_list64));
if (left < sizeof(struct objc_property_list64)) {
  memcpy(&opl, r, left);
  outs() << "   (objc_property_list entends past the end of the section)\n";
} else
  memcpy(&opl, r, sizeof(struct objc_property_list64));
if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
  swapStruct(opl);
outs() << "                    entsize " << opl.entsize << "\n";
outs() << "                      count " << opl.count << "\n";

p += sizeof(struct objc_property_list64);
offset += sizeof(struct objc_property_list64);
for (j = 0; j < opl.count; j++) {
  r = get_pointer_64(p, offset, left, S, info);
  if (r == nullptr)
    return;
  memset(&op, '\0', sizeof(struct objc_property64));
  if (left < sizeof(struct objc_property64)) {
    memcpy(&op, r, left);
    outs() << "   (objc_property entends past the end of the section)\n";
  } else
    memcpy(&op, r, sizeof(struct objc_property64));
  if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
    swapStruct(op);

  outs() << "\t\t\t     name ";
  sym_name = get_symbol_64(offset + offsetof(struct objc_property64, name)__builtin_offsetof(struct objc_property64, name), S,
                           info, n_value, op.name);
  if (n_value != 0) {
    if (info->verbose && sym_name != nullptr)
      outs() << sym_name;
    else
      outs() << format("0x%" PRIx64"llx", n_value);
    if (op.name != 0)
      outs() << " + " << format("0x%" PRIx64"llx", op.name);
  } else
    outs() << format("0x%" PRIx64"llx", op.name);
  name = get_pointer_64(op.name + n_value, xoffset, left, xS, info);
  if (name != nullptr)
    outs() << format(" %.*s", left, name);
  outs() << "\n";

  outs() << "\t\t\tattributes ";
  sym_name =
      get_symbol_64(offset + offsetof(struct objc_property64, attributes)__builtin_offsetof(struct objc_property64, attributes), S,
                    info, n_value, op.attributes);
  if (n_value != 0) {
    if (info->verbose && sym_name != nullptr)
      outs() << sym_name;
    else
      outs() << format("0x%" PRIx64"llx", n_value);
    if (op.attributes != 0)
      outs() << " + " << format("0x%" PRIx64"llx", op.attributes);
  } else
    outs() << format("0x%" PRIx64"llx", op.attributes);
  name = get_pointer_64(op.attributes + n_value, xoffset, left, xS, info);
  if (name != nullptr)
    outs() << format(" %.*s", left, name);
  outs() << "\n";

  p += sizeof(struct objc_property64);
  offset += sizeof(struct objc_property64);
}
5091}

5093static void print_objc_property_list32(uint32_t p,
                                     struct DisassembleInfo *info) {
struct objc_property_list32 opl;
struct objc_property32 op;
const char *r;
uint32_t offset, xoffset, left, j;
SectionRef S, xS;
const char *name;

r = get_pointer_32(p, offset, left, S, info);
if (r == nullptr)
  return;
memset(&opl, '\0', sizeof(struct objc_property_list32));
if (left < sizeof(struct objc_property_list32)) {
  memcpy(&opl, r, left);
  outs() << "   (objc_property_list entends past the end of the section)\n";
} else
  memcpy(&opl, r, sizeof(struct objc_property_list32));
if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
  swapStruct(opl);
outs() << "                    entsize " << opl.entsize << "\n";
outs() << "                      count " << opl.count << "\n";

p += sizeof(struct objc_property_list32);
offset += sizeof(struct objc_property_list32);
for (j = 0; j < opl.count; j++) {
  r = get_pointer_32(p, offset, left, S, info);
  if (r == nullptr)
    return;
  memset(&op, '\0', sizeof(struct objc_property32));
  if (left < sizeof(struct objc_property32)) {
    memcpy(&op, r, left);
    outs() << "   (objc_property entends past the end of the section)\n";
  } else
    memcpy(&op, r, sizeof(struct objc_property32));
  if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
    swapStruct(op);

  outs() << "\t\t\t     name " << format("0x%" PRIx32"x", op.name);
  name = get_pointer_32(op.name, xoffset, left, xS, info);
  if (name != nullptr)
    outs() << format(" %.*s", left, name);
  outs() << "\n";

  outs() << "\t\t\tattributes " << format("0x%" PRIx32"x", op.attributes);
  name = get_pointer_32(op.attributes, xoffset, left, xS, info);
  if (name != nullptr)
    outs() << format(" %.*s", left, name);
  outs() << "\n";

  p += sizeof(struct objc_property32);
  offset += sizeof(struct objc_property32);
}
5146}

5148static bool print_class_ro64_t(uint64_t p, struct DisassembleInfo *info,
                             bool &is_meta_class) {
struct class_ro64_t cro;
const char *r;
uint32_t offset, xoffset, left;
SectionRef S, xS;
const char *name, *sym_name;
uint64_t n_value;

r = get_pointer_64(p, offset, left, S, info);
if (r == nullptr || left < sizeof(struct class_ro64_t))
  return false;
memcpy(&cro, r, sizeof(struct class_ro64_t));
if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
  swapStruct(cro);
outs() << "                    flags " << format("0x%" PRIx32"x", cro.flags);
if (cro.flags & RO_META(1 << 0))
  outs() << " RO_META";
if (cro.flags & RO_ROOT(1 << 1))
  outs() << " RO_ROOT";
if (cro.flags & RO_HAS_CXX_STRUCTORS(1 << 2))
  outs() << " RO_HAS_CXX_STRUCTORS";
outs() << "\n";
outs() << "            instanceStart " << cro.instanceStart << "\n";
outs() << "             instanceSize " << cro.instanceSize << "\n";
outs() << "                 reserved " << format("0x%" PRIx32"x", cro.reserved)
       << "\n";
outs() << "               ivarLayout " << format("0x%" PRIx64"llx", cro.ivarLayout)
       << "\n";
print_layout_map64(cro.ivarLayout, info);

outs() << "                     name ";
sym_name = get_symbol_64(offset + offsetof(struct class_ro64_t, name)__builtin_offsetof(struct class_ro64_t, name), S,
                         info, n_value, cro.name);
if (n_value != 0) {
  if (info->verbose && sym_name != nullptr)
    outs() << sym_name;
  else
    outs() << format("0x%" PRIx64"llx", n_value);
  if (cro.name != 0)
    outs() << " + " << format("0x%" PRIx64"llx", cro.name);
} else
  outs() << format("0x%" PRIx64"llx", cro.name);
name = get_pointer_64(cro.name + n_value, xoffset, left, xS, info);
if (name != nullptr)
  outs() << format(" %.*s", left, name);
outs() << "\n";

outs() << "              baseMethods ";
sym_name = get_symbol_64(offset + offsetof(struct class_ro64_t, baseMethods)__builtin_offsetof(struct class_ro64_t, baseMethods),
                         S, info, n_value, cro.baseMethods);
if (n_value != 0) {
  if (info->verbose && sym_name != nullptr)
    outs() << sym_name;
  else
    outs() << format("0x%" PRIx64"llx", n_value);
  if (cro.baseMethods != 0)
    outs() << " + " << format("0x%" PRIx64"llx", cro.baseMethods);
} else
  outs() << format("0x%" PRIx64"llx", cro.baseMethods);
outs() << " (struct method_list_t *)\n";
if (cro.baseMethods + n_value != 0)
  print_method_list64_t(cro.baseMethods + n_value, info, "");

outs() << "            baseProtocols ";
sym_name =
    get_symbol_64(offset + offsetof(struct class_ro64_t, baseProtocols)__builtin_offsetof(struct class_ro64_t, baseProtocols), S,
                  info, n_value, cro.baseProtocols);
if (n_value != 0) {
  if (info->verbose && sym_name != nullptr)
    outs() << sym_name;
  else
    outs() << format("0x%" PRIx64"llx", n_value);
  if (cro.baseProtocols != 0)
    outs() << " + " << format("0x%" PRIx64"llx", cro.baseProtocols);
} else
  outs() << format("0x%" PRIx64"llx", cro.baseProtocols);
outs() << "\n";
if (cro.baseProtocols + n_value != 0)
  print_protocol_list64_t(cro.baseProtocols + n_value, info);

outs() << "                    ivars ";
sym_name = get_symbol_64(offset + offsetof(struct class_ro64_t, ivars)__builtin_offsetof(struct class_ro64_t, ivars), S,
                         info, n_value, cro.ivars);
if (n_value != 0) {
  if (info->verbose && sym_name != nullptr)
    outs() << sym_name;
  else
    outs() << format("0x%" PRIx64"llx", n_value);
  if (cro.ivars != 0)
    outs() << " + " << format("0x%" PRIx64"llx", cro.ivars);
} else
  outs() << format("0x%" PRIx64"llx", cro.ivars);
outs() << "\n";
if (cro.ivars + n_value != 0)
  print_ivar_list64_t(cro.ivars + n_value, info);

outs() << "           weakIvarLayout ";
sym_name =
    get_symbol_64(offset + offsetof(struct class_ro64_t, weakIvarLayout)__builtin_offsetof(struct class_ro64_t, weakIvarLayout), S,
                  info, n_value, cro.weakIvarLayout);
if (n_value != 0) {
  if (info->verbose && sym_name != nullptr)
    outs() << sym_name;
  else
    outs() << format("0x%" PRIx64"llx", n_value);
  if (cro.weakIvarLayout != 0)
    outs() << " + " << format("0x%" PRIx64"llx", cro.weakIvarLayout);
} else
  outs() << format("0x%" PRIx64"llx", cro.weakIvarLayout);
outs() << "\n";
print_layout_map64(cro.weakIvarLayout + n_value, info);

outs() << "           baseProperties ";
sym_name =
    get_symbol_64(offset + offsetof(struct class_ro64_t, baseProperties)__builtin_offsetof(struct class_ro64_t, baseProperties), S,
                  info, n_value, cro.baseProperties);
if (n_value != 0) {
  if (info->verbose && sym_name != nullptr)
    outs() << sym_name;
  else
    outs() << format("0x%" PRIx64"llx", n_value);
  if (cro.baseProperties != 0)
    outs() << " + " << format("0x%" PRIx64"llx", cro.baseProperties);
} else
  outs() << format("0x%" PRIx64"llx", cro.baseProperties);
outs() << "\n";
if (cro.baseProperties + n_value != 0)
  print_objc_property_list64(cro.baseProperties + n_value, info);

is_meta_class = (cro.flags & RO_META(1 << 0)) != 0;
return true;
5280}

5282static bool print_class_ro32_t(uint32_t p, struct DisassembleInfo *info,
                             bool &is_meta_class) {
struct class_ro32_t cro;
const char *r;
uint32_t offset, xoffset, left;
SectionRef S, xS;
const char *name;

r = get_pointer_32(p, offset, left, S, info);
if (r == nullptr)
  return false;
memset(&cro, '\0', sizeof(struct class_ro32_t));
if (left < sizeof(struct class_ro32_t)) {
  memcpy(&cro, r, left);
  outs() << "   (class_ro_t entends past the end of the section)\n";
} else
  memcpy(&cro, r, sizeof(struct class_ro32_t));
if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
  swapStruct(cro);
outs() << "                    flags " << format("0x%" PRIx32"x", cro.flags);
if (cro.flags & RO_META(1 << 0))
  outs() << " RO_META";
if (cro.flags & RO_ROOT(1 << 1))
  outs() << " RO_ROOT";
if (cro.flags & RO_HAS_CXX_STRUCTORS(1 << 2))
  outs() << " RO_HAS_CXX_STRUCTORS";
outs() << "\n";
outs() << "            instanceStart " << cro.instanceStart << "\n";
outs() << "             instanceSize " << cro.instanceSize << "\n";
outs() << "               ivarLayout " << format("0x%" PRIx32"x", cro.ivarLayout)
       << "\n";
print_layout_map32(cro.ivarLayout, info);

outs() << "                     name " << format("0x%" PRIx32"x", cro.name);
name = get_pointer_32(cro.name, xoffset, left, xS, info);
if (name != nullptr)
  outs() << format(" %.*s", left, name);
outs() << "\n";

outs() << "              baseMethods "
       << format("0x%" PRIx32"x", cro.baseMethods)
       << " (struct method_list_t *)\n";
if (cro.baseMethods != 0)
  print_method_list32_t(cro.baseMethods, info, "");

outs() << "            baseProtocols "
       << format("0x%" PRIx32"x", cro.baseProtocols) << "\n";
if (cro.baseProtocols != 0)
  print_protocol_list32_t(cro.baseProtocols, info);
outs() << "                    ivars " << format("0x%" PRIx32"x", cro.ivars)
       << "\n";
if (cro.ivars != 0)
  print_ivar_list32_t(cro.ivars, info);
outs() << "           weakIvarLayout "
       << format("0x%" PRIx32"x", cro.weakIvarLayout) << "\n";
print_layout_map32(cro.weakIvarLayout, info);
outs() << "           baseProperties "
       << format("0x%" PRIx32"x", cro.baseProperties) << "\n";
if (cro.baseProperties != 0)
  print_objc_property_list32(cro.baseProperties, info);
is_meta_class = (cro.flags & RO_META(1 << 0)) != 0;
return true;
5344}

5346static void print_class64_t(uint64_t p, struct DisassembleInfo *info) {
struct class64_t c;
const char *r;
uint32_t offset, left;
SectionRef S;
const char *name;
uint64_t isa_n_value, n_value;

r = get_pointer_64(p, offset, left, S, info);
if (r == nullptr || left < sizeof(struct class64_t))
  return;
memcpy(&c, r, sizeof(struct class64_t));
if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
  swapStruct(c);

outs() << "           isa " << format("0x%" PRIx64"llx", c.isa);
name = get_symbol_64(offset + offsetof(struct class64_t, isa)__builtin_offsetof(struct class64_t, isa), S, info,
                     isa_n_value, c.isa);
if (name != nullptr)
  outs() << " " << name;
outs() << "\n";

outs() << "    superclass " << format("0x%" PRIx64"llx", c.superclass);
name = get_symbol_64(offset + offsetof(struct class64_t, superclass)__builtin_offsetof(struct class64_t, superclass), S, info,
                     n_value, c.superclass);
if (name != nullptr)
  outs() << " " << name;
else {
  name = get_dyld_bind_info_symbolname(S.getAddress() +
           offset + offsetof(struct class64_t, superclass)__builtin_offsetof(struct class64_t, superclass), info);
  if (name != nullptr)
    outs() << " " << name;
}
outs() << "\n";

outs() << "         cache " << format("0x%" PRIx64"llx", c.cache);
name = get_symbol_64(offset + offsetof(struct class64_t, cache)__builtin_offsetof(struct class64_t, cache), S, info,
                     n_value, c.cache);
if (name != nullptr)
  outs() << " " << name;
outs() << "\n";

outs() << "        vtable " << format("0x%" PRIx64"llx", c.vtable);
name = get_symbol_64(offset + offsetof(struct class64_t, vtable)__builtin_offsetof(struct class64_t, vtable), S, info,
                     n_value, c.vtable);
if (name != nullptr)
  outs() << " " << name;
outs() << "\n";

name = get_symbol_64(offset + offsetof(struct class64_t, data)__builtin_offsetof(struct class64_t, data), S, info,
                     n_value, c.data);
outs() << "          data ";
if (n_value != 0) {
  if (info->verbose && name != nullptr)
    outs() << name;
  else
    outs() << format("0x%" PRIx64"llx", n_value);
  if (c.data != 0)
    outs() << " + " << format("0x%" PRIx64"llx", c.data);
} else
  outs() << format("0x%" PRIx64"llx", c.data);
outs() << " (struct class_ro_t *)";

// This is a Swift class if some of the low bits of the pointer are set.
if ((c.data + n_value) & 0x7)
  outs() << " Swift class";
outs() << "\n";
bool is_meta_class;
if (!print_class_ro64_t((c.data + n_value) & ~0x7, info, is_meta_class))
  return;

if (!is_meta_class &&
    c.isa + isa_n_value != p &&
    c.isa + isa_n_value != 0 &&
    info->depth < 100) {
    info->depth++;
    outs() << "Meta Class\n";
    print_class64_t(c.isa + isa_n_value, info);
}
5425}

5427static void print_class32_t(uint32_t p, struct DisassembleInfo *info) {
struct class32_t c;
const char *r;
uint32_t offset, left;
SectionRef S;
const char *name;

r = get_pointer_32(p, offset, left, S, info);
if (r == nullptr)
  return;
memset(&c, '\0', sizeof(struct class32_t));
if (left < sizeof(struct class32_t)) {
  memcpy(&c, r, left);
  outs() << "   (class_t entends past the end of the section)\n";
} else
  memcpy(&c, r, sizeof(struct class32_t));
if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
  swapStruct(c);

outs() << "           isa " << format("0x%" PRIx32"x", c.isa);
name =
    get_symbol_32(offset + offsetof(struct class32_t, isa)__builtin_offsetof(struct class32_t, isa), S, info, c.isa);
if (name != nullptr)
  outs() << " " << name;
outs() << "\n";

outs() << "    superclass " << format("0x%" PRIx32"x", c.superclass);
name = get_symbol_32(offset + offsetof(struct class32_t, superclass)__builtin_offsetof(struct class32_t, superclass), S, info,
                     c.superclass);
if (name != nullptr)
  outs() << " " << name;
outs() << "\n";

outs() << "         cache " << format("0x%" PRIx32"x", c.cache);
name = get_symbol_32(offset + offsetof(struct class32_t, cache)__builtin_offsetof(struct class32_t, cache), S, info,
                     c.cache);
if (name != nullptr)
  outs() << " " << name;
outs() << "\n";

outs() << "        vtable " << format("0x%" PRIx32"x", c.vtable);
name = get_symbol_32(offset + offsetof(struct class32_t, vtable)__builtin_offsetof(struct class32_t, vtable), S, info,
                     c.vtable);
if (name != nullptr)
  outs() << " " << name;
outs() << "\n";

name =
    get_symbol_32(offset + offsetof(struct class32_t, data)__builtin_offsetof(struct class32_t, data), S, info, c.data);
outs() << "          data " << format("0x%" PRIx32"x", c.data)
       << " (struct class_ro_t *)";

// This is a Swift class if some of the low bits of the pointer are set.
if (c.data & 0x3)
  outs() << " Swift class";
outs() << "\n";
bool is_meta_class;
if (!print_class_ro32_t(c.data & ~0x3, info, is_meta_class))
  return;

if (!is_meta_class) {
  outs() << "Meta Class\n";
  print_class32_t(c.isa, info);
}
5491}

5493static void print_objc_class_t(struct objc_class_t *objc_class,
                             struct DisassembleInfo *info) {
uint32_t offset, left, xleft;
const char *name, *p, *ivar_list;
SectionRef S;
int32_t i;
struct objc_ivar_list_t objc_ivar_list;
struct objc_ivar_t ivar;

outs() << "\t\t      isa " << format("0x%08" PRIx32"x", objc_class->isa);
if (info->verbose && CLS_GETINFO(objc_class, CLS_META)((objc_class)->info & (0x2))) {
  name = get_pointer_32(objc_class->isa, offset, left, S, info, true);
  if (name != nullptr)
    outs() << format(" %.*s", left, name);
  else
    outs() << " (not in an __OBJC section)";
}
outs() << "\n";

outs() << "\t      super_class "
       << format("0x%08" PRIx32"x", objc_class->super_class);
if (info->verbose) {
  name = get_pointer_32(objc_class->super_class, offset, left, S, info, true);
  if (name != nullptr)
    outs() << format(" %.*s", left, name);
  else
    outs() << " (not in an __OBJC section)";
}
outs() << "\n";

outs() << "\t\t     name " << format("0x%08" PRIx32"x", objc_class->name);
if (info->verbose) {
  name = get_pointer_32(objc_class->name, offset, left, S, info, true);
  if (name != nullptr)
    outs() << format(" %.*s", left, name);
  else
    outs() << " (not in an __OBJC section)";
}
outs() << "\n";

outs() << "\t\t  version " << format("0x%08" PRIx32"x", objc_class->version)
       << "\n";

outs() << "\t\t     info " << format("0x%08" PRIx32"x", objc_class->info);
if (info->verbose) {
  if (CLS_GETINFO(objc_class, CLS_CLASS)((objc_class)->info & (0x1)))
    outs() << " CLS_CLASS";
  else if (CLS_GETINFO(objc_class, CLS_META)((objc_class)->info & (0x2)))
    outs() << " CLS_META";
}
outs() << "\n";

outs() << "\t    instance_size "
       << format("0x%08" PRIx32"x", objc_class->instance_size) << "\n";

p = get_pointer_32(objc_class->ivars, offset, left, S, info, true);
outs() << "\t\t    ivars " << format("0x%08" PRIx32"x", objc_class->ivars);
if (p != nullptr) {
  if (left > sizeof(struct objc_ivar_list_t)) {
    outs() << "\n";
    memcpy(&objc_ivar_list, p, sizeof(struct objc_ivar_list_t));
  } else {
    outs() << " (entends past the end of the section)\n";
    memset(&objc_ivar_list, '\0', sizeof(struct objc_ivar_list_t));
    memcpy(&objc_ivar_list, p, left);
  }
  if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
    swapStruct(objc_ivar_list);
  outs() << "\t\t       ivar_count " << objc_ivar_list.ivar_count << "\n";
  ivar_list = p + sizeof(struct objc_ivar_list_t);
  for (i = 0; i < objc_ivar_list.ivar_count; i++) {
    if ((i + 1) * sizeof(struct objc_ivar_t) > left) {
      outs() << "\t\t remaining ivar's extend past the of the section\n";
      break;
    }
    memcpy(&ivar, ivar_list + i * sizeof(struct objc_ivar_t),
           sizeof(struct objc_ivar_t));
    if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
      swapStruct(ivar);

    outs() << "\t\t\tivar_name " << format("0x%08" PRIx32"x", ivar.ivar_name);
    if (info->verbose) {
      name = get_pointer_32(ivar.ivar_name, offset, xleft, S, info, true);
      if (name != nullptr)
        outs() << format(" %.*s", xleft, name);
      else
        outs() << " (not in an __OBJC section)";
    }
    outs() << "\n";

    outs() << "\t\t\tivar_type " << format("0x%08" PRIx32"x", ivar.ivar_type);
    if (info->verbose) {
      name = get_pointer_32(ivar.ivar_type, offset, xleft, S, info, true);
      if (name != nullptr)
        outs() << format(" %.*s", xleft, name);
      else
        outs() << " (not in an __OBJC section)";
    }
    outs() << "\n";

    outs() << "\t\t      ivar_offset "
           << format("0x%08" PRIx32"x", ivar.ivar_offset) << "\n";
  }
} else {
  outs() << " (not in an __OBJC section)\n";
}

outs() << "\t\t  methods " << format("0x%08" PRIx32"x", objc_class->methodLists);
if (print_method_list(objc_class->methodLists, info))
  outs() << " (not in an __OBJC section)\n";

outs() << "\t\t    cache " << format("0x%08" PRIx32"x", objc_class->cache)
       << "\n";

outs() << "\t\tprotocols " << format("0x%08" PRIx32"x", objc_class->protocols);
if (print_protocol_list(objc_class->protocols, 16, info))
  outs() << " (not in an __OBJC section)\n";
5610}

5612static void print_objc_objc_category_t(struct objc_category_t *objc_category,
                                     struct DisassembleInfo *info) {
uint32_t offset, left;
const char *name;
SectionRef S;

outs() << "\t       category name "
       << format("0x%08" PRIx32"x", objc_category->category_name);
if (info->verbose) {
  name = get_pointer_32(objc_category->category_name, offset, left, S, info,
                        true);
  if (name != nullptr)
    outs() << format(" %.*s", left, name);
  else
    outs() << " (not in an __OBJC section)";
}
outs() << "\n";

outs() << "\t\t  class name "
       << format("0x%08" PRIx32"x", objc_category->class_name);
if (info->verbose) {
  name =
      get_pointer_32(objc_category->class_name, offset, left, S, info, true);
  if (name != nullptr)
    outs() << format(" %.*s", left, name);
  else
    outs() << " (not in an __OBJC section)";
}
outs() << "\n";

outs() << "\t    instance methods "
       << format("0x%08" PRIx32"x", objc_category->instance_methods);
if (print_method_list(objc_category->instance_methods, info))
  outs() << " (not in an __OBJC section)\n";

outs() << "\t       class methods "
       << format("0x%08" PRIx32"x", objc_category->class_methods);
if (print_method_list(objc_category->class_methods, info))
  outs() << " (not in an __OBJC section)\n";
5651}

5653static void print_category64_t(uint64_t p, struct DisassembleInfo *info) {
struct category64_t c;
const char *r;
uint32_t offset, xoffset, left;
SectionRef S, xS;
const char *name, *sym_name;
uint64_t n_value;

r = get_pointer_64(p, offset, left, S, info);
if (r == nullptr)
  return;
memset(&c, '\0', sizeof(struct category64_t));
if (left < sizeof(struct category64_t)) {
  memcpy(&c, r, left);
  outs() << "   (category_t entends past the end of the section)\n";
} else
  memcpy(&c, r, sizeof(struct category64_t));
if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
  swapStruct(c);

outs() << "              name ";
sym_name = get_symbol_64(offset + offsetof(struct category64_t, name)__builtin_offsetof(struct category64_t, name), S,
                         info, n_value, c.name);
if (n_value != 0) {
  if (info->verbose && sym_name != nullptr)
    outs() << sym_name;
  else
    outs() << format("0x%" PRIx64"llx", n_value);
  if (c.name != 0)
    outs() << " + " << format("0x%" PRIx64"llx", c.name);
} else
  outs() << format("0x%" PRIx64"llx", c.name);
name = get_pointer_64(c.name + n_value, xoffset, left, xS, info);
if (name != nullptr)
  outs() << format(" %.*s", left, name);
outs() << "\n";

outs() << "               cls ";
sym_name = get_symbol_64(offset + offsetof(struct category64_t, cls)__builtin_offsetof(struct category64_t, cls), S, info,
                         n_value, c.cls);
if (n_value != 0) {
  if (info->verbose && sym_name != nullptr)
    outs() << sym_name;
  else
    outs() << format("0x%" PRIx64"llx", n_value);
  if (c.cls != 0)
    outs() << " + " << format("0x%" PRIx64"llx", c.cls);
} else
  outs() << format("0x%" PRIx64"llx", c.cls);
outs() << "\n";
if (c.cls + n_value != 0)
  print_class64_t(c.cls + n_value, info);

outs() << "   instanceMethods ";
sym_name =
    get_symbol_64(offset + offsetof(struct category64_t, instanceMethods)__builtin_offsetof(struct category64_t, instanceMethods), S,
                  info, n_value, c.instanceMethods);
if (n_value != 0) {
  if (info->verbose && sym_name != nullptr)
    outs() << sym_name;
  else
    outs() << format("0x%" PRIx64"llx", n_value);
  if (c.instanceMethods != 0)
    outs() << " + " << format("0x%" PRIx64"llx", c.instanceMethods);
} else
  outs() << format("0x%" PRIx64"llx", c.instanceMethods);
outs() << "\n";
if (c.instanceMethods + n_value != 0)
  print_method_list64_t(c.instanceMethods + n_value, info, "");

outs() << "      classMethods ";
sym_name = get_symbol_64(offset + offsetof(struct category64_t, classMethods)__builtin_offsetof(struct category64_t, classMethods),
                         S, info, n_value, c.classMethods);
if (n_value != 0) {
  if (info->verbose && sym_name != nullptr)
    outs() << sym_name;
  else
    outs() << format("0x%" PRIx64"llx", n_value);
  if (c.classMethods != 0)
    outs() << " + " << format("0x%" PRIx64"llx", c.classMethods);
} else
  outs() << format("0x%" PRIx64"llx", c.classMethods);
outs() << "\n";
if (c.classMethods + n_value != 0)
  print_method_list64_t(c.classMethods + n_value, info, "");

outs() << "         protocols ";
sym_name = get_symbol_64(offset + offsetof(struct category64_t, protocols)__builtin_offsetof(struct category64_t, protocols), S,
                         info, n_value, c.protocols);
if (n_value != 0) {
  if (info->verbose && sym_name != nullptr)
    outs() << sym_name;
  else
    outs() << format("0x%" PRIx64"llx", n_value);
  if (c.protocols != 0)
    outs() << " + " << format("0x%" PRIx64"llx", c.protocols);
} else
  outs() << format("0x%" PRIx64"llx", c.protocols);
outs() << "\n";
if (c.protocols + n_value != 0)
  print_protocol_list64_t(c.protocols + n_value, info);

outs() << "instanceProperties ";
sym_name =
    get_symbol_64(offset + offsetof(struct category64_t, instanceProperties)__builtin_offsetof(struct category64_t, instanceProperties),
                  S, info, n_value, c.instanceProperties);
if (n_value != 0) {
  if (info->verbose && sym_name != nullptr)
    outs() << sym_name;
  else
    outs() << format("0x%" PRIx64"llx", n_value);
  if (c.instanceProperties != 0)
    outs() << " + " << format("0x%" PRIx64"llx", c.instanceProperties);
} else
  outs() << format("0x%" PRIx64"llx", c.instanceProperties);
outs() << "\n";
if (c.instanceProperties + n_value != 0)
  print_objc_property_list64(c.instanceProperties + n_value, info);
5771}

5773static 