/usr/src/gnu/usr.bin/clang/llvm-objdump/../../../llvm/llvm/include/llvm/Object/ObjectFile.h

Bug Summary

File:	src/gnu/usr.bin/clang/llvm-objdump/../../../llvm/llvm/include/llvm/Object/ObjectFile.h
Warning:	line 459, column 10 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

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

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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
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
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
1
'UnwindInfo' is false
)
64
←
Taking false branch→
  printMachOUnwindInfo(MachOOF);
if (PrivateHeaders) {
65
←
Assuming 'PrivateHeaders' is false→
66
←
Taking false branch→
  printMachOFileHeader(MachOOF);
  printMachOLoadCommands(MachOOF);
}
if (FirstPrivateHeader)
67
←
Assuming 'FirstPrivateHeader' is false→
68
←
Taking false branch→
  printMachOFileHeader(MachOOF);
if (ObjcMetaData)
69
←
Assuming 'ObjcMetaData' is true→
70
←
Taking true branch→
  printObjcMetaData(MachOOF, Verbose);
71
←
Calling 'printObjcMetaData'→
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
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
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 void print_category32_t(uint32_t p, struct DisassembleInfo *info) {
struct category32_t c;
const char *r;
uint32_t offset, left;
SectionRef S, xS;
const char *name;

r = get_pointer_32(p, offset, left, S, info);
if (r == nullptr)
  return;
memset(&c, '\0', sizeof(struct category32_t));
if (left < sizeof(struct category32_t)) {
  memcpy(&c, r, left);
  outs() << "   (category_t entends past the end of the section)\n";
} else
  memcpy(&c, r, sizeof(struct category32_t));
if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
  swapStruct(c);

outs() << "              name " << format("0x%" PRIx32"x", c.name);
name = get_symbol_32(offset + offsetof(struct category32_t, name)__builtin_offsetof(struct category32_t, name), S, info,
                     c.name);
if (name)
  outs() << " " << name;
outs() << "\n";

outs() << "               cls " << format("0x%" PRIx32"x", c.cls) << "\n";
if (c.cls != 0)
  print_class32_t(c.cls, info);
outs() << "   instanceMethods " << format("0x%" PRIx32"x", c.instanceMethods)
       << "\n";
if (c.instanceMethods != 0)
  print_method_list32_t(c.instanceMethods, info, "");
outs() << "      classMethods " << format("0x%" PRIx32"x", c.classMethods)
       << "\n";
if (c.classMethods != 0)
  print_method_list32_t(c.classMethods, info, "");
outs() << "         protocols " << format("0x%" PRIx32"x", c.protocols) << "\n";
if (c.protocols != 0)
  print_protocol_list32_t(c.protocols, info);
outs() << "instanceProperties " << format("0x%" PRIx32"x", c.instanceProperties)
       << "\n";
if (c.instanceProperties != 0)
  print_objc_property_list32(c.instanceProperties, info);
5817}

5819static void print_message_refs64(SectionRef S, struct DisassembleInfo *info) {
uint32_t i, left, offset, xoffset;
uint64_t p, n_value;
struct message_ref64 mr;
const char *name, *sym_name;
const char *r;
SectionRef xS;

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 = info->O->getSectionFinalSegmentName(Ref);
outs() << "Contents of (" << SegName << "," << SectName << ") section\n";
offset = 0;
for (i = 0; i < S.getSize(); i += sizeof(struct message_ref64)) {
  p = S.getAddress() + i;
  r = get_pointer_64(p, offset, left, S, info);
  if (r == nullptr)
    return;
  memset(&mr, '\0', sizeof(struct message_ref64));
  if (left < sizeof(struct message_ref64)) {
    memcpy(&mr, r, left);
    outs() << "   (message_ref entends past the end of the section)\n";
  } else
    memcpy(&mr, r, sizeof(struct message_ref64));
  if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
    swapStruct(mr);

  outs() << "  imp ";
  name = get_symbol_64(offset + offsetof(struct message_ref64, imp)__builtin_offsetof(struct message_ref64, imp), S, info,
                       n_value, mr.imp);
  if (n_value != 0) {
    outs() << format("0x%" PRIx64"llx", n_value) << " ";
    if (mr.imp != 0)
      outs() << "+ " << format("0x%" PRIx64"llx", mr.imp) << " ";
  } else
    outs() << format("0x%" PRIx64"llx", mr.imp) << " ";
  if (name != nullptr)
    outs() << " " << name;
  outs() << "\n";

  outs() << "  sel ";
  sym_name = get_symbol_64(offset + offsetof(struct message_ref64, sel)__builtin_offsetof(struct message_ref64, sel), S,
                           info, n_value, mr.sel);
  if (n_value != 0) {
    if (info->verbose && sym_name != nullptr)
      outs() << sym_name;
    else
      outs() << format("0x%" PRIx64"llx", n_value);
    if (mr.sel != 0)
      outs() << " + " << format("0x%" PRIx64"llx", mr.sel);
  } else
    outs() << format("0x%" PRIx64"llx", mr.sel);
  name = get_pointer_64(mr.sel + n_value, xoffset, left, xS, info);
  if (name != nullptr)
    outs() << format(" %.*s", left, name);
  outs() << "\n";

  offset += sizeof(struct message_ref64);
}
5887}

5889static void print_message_refs32(SectionRef S, struct DisassembleInfo *info) {
uint32_t i, left, offset, xoffset, p;
struct message_ref32 mr;
const char *name, *r;
SectionRef xS;

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 = info->O->getSectionFinalSegmentName(Ref);
outs() << "Contents of (" << SegName << "," << SectName << ") section\n";
offset = 0;
for (i = 0; i < S.getSize(); i += sizeof(struct message_ref64)) {
  p = S.getAddress() + i;
  r = get_pointer_32(p, offset, left, S, info);
  if (r == nullptr)
    return;
  memset(&mr, '\0', sizeof(struct message_ref32));
  if (left < sizeof(struct message_ref32)) {
    memcpy(&mr, r, left);
    outs() << "   (message_ref entends past the end of the section)\n";
  } else
    memcpy(&mr, r, sizeof(struct message_ref32));
  if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
    swapStruct(mr);

  outs() << "  imp " << format("0x%" PRIx32"x", mr.imp);
  name = get_symbol_32(offset + offsetof(struct message_ref32, imp)__builtin_offsetof(struct message_ref32, imp), S, info,
                       mr.imp);
  if (name != nullptr)
    outs() << " " << name;
  outs() << "\n";

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

  offset += sizeof(struct message_ref32);
}
5938}

5940static void print_image_info64(SectionRef S, struct DisassembleInfo *info) {
uint32_t left, offset, swift_version;
uint64_t p;
struct objc_image_info64 o;
const char *r;

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 = info->O->getSectionFinalSegmentName(Ref);
outs() << "Contents of (" << SegName << "," << SectName << ") section\n";
p = S.getAddress();
r = get_pointer_64(p, offset, left, S, info);
if (r == nullptr)
  return;
memset(&o, '\0', sizeof(struct objc_image_info64));
if (left < sizeof(struct objc_image_info64)) {
  memcpy(&o, r, left);
  outs() << "   (objc_image_info entends past the end of the section)\n";
} else
  memcpy(&o, r, sizeof(struct objc_image_info64));
if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
  swapStruct(o);
outs() << "  version " << o.version << "\n";
outs() << "    flags " << format("0x%" PRIx32"x", o.flags);
if (o.flags & OBJC_IMAGE_IS_REPLACEMENT(1 << 0))
  outs() << " OBJC_IMAGE_IS_REPLACEMENT";
if (o.flags & OBJC_IMAGE_SUPPORTS_GC(1 << 1))
  outs() << " OBJC_IMAGE_SUPPORTS_GC";
if (o.flags & OBJC_IMAGE_IS_SIMULATED(1 << 5))
  outs() << " OBJC_IMAGE_IS_SIMULATED";
if (o.flags & OBJC_IMAGE_HAS_CATEGORY_CLASS_PROPERTIES(1 << 6))
  outs() << " OBJC_IMAGE_HAS_CATEGORY_CLASS_PROPERTIES";
swift_version = (o.flags >> 8) & 0xff;
if (swift_version != 0) {
  if (swift_version == 1)
    outs() << " Swift 1.0";
  else if (swift_version == 2)
    outs() << " Swift 1.1";
  else if(swift_version == 3)
    outs() << " Swift 2.0";
  else if(swift_version == 4)
    outs() << " Swift 3.0";
  else if(swift_version == 5)
    outs() << " Swift 4.0";
  else if(swift_version == 6)
    outs() << " Swift 4.1/Swift 4.2";
  else if(swift_version == 7)
    outs() << " Swift 5 or later";
  else
    outs() << " unknown future Swift version (" << swift_version << ")";
}
outs() << "\n";
6001}

6003static void print_image_info32(SectionRef S, struct DisassembleInfo *info) {
uint32_t left, offset, swift_version, p;
struct objc_image_info32 o;
const char *r;

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 = info->O->getSectionFinalSegmentName(Ref);
outs() << "Contents of (" << SegName << "," << SectName << ") section\n";
p = S.getAddress();
r = get_pointer_32(p, offset, left, S, info);
if (r == nullptr)
  return;
memset(&o, '\0', sizeof(struct objc_image_info32));
if (left < sizeof(struct objc_image_info32)) {
  memcpy(&o, r, left);
  outs() << "   (objc_image_info entends past the end of the section)\n";
} else
  memcpy(&o, r, sizeof(struct objc_image_info32));
if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
  swapStruct(o);
outs() << "  version " << o.version << "\n";
outs() << "    flags " << format("0x%" PRIx32"x", o.flags);
if (o.flags & OBJC_IMAGE_IS_REPLACEMENT(1 << 0))
  outs() << " OBJC_IMAGE_IS_REPLACEMENT";
if (o.flags & OBJC_IMAGE_SUPPORTS_GC(1 << 1))
  outs() << " OBJC_IMAGE_SUPPORTS_GC";
swift_version = (o.flags >> 8) & 0xff;
if (swift_version != 0) {
  if (swift_version == 1)
    outs() << " Swift 1.0";
  else if (swift_version == 2)
    outs() << " Swift 1.1";
  else if(swift_version == 3)
    outs() << " Swift 2.0";
  else if(swift_version == 4)
    outs() << " Swift 3.0";
  else if(swift_version == 5)
    outs() << " Swift 4.0";
  else if(swift_version == 6)
    outs() << " Swift 4.1/Swift 4.2";
  else if(swift_version == 7)
    outs() << " Swift 5 or later";
  else
    outs() << " unknown future Swift version (" << swift_version << ")";
}
outs() << "\n";
6059}

6061static void print_image_info(SectionRef S, struct DisassembleInfo *info) {
uint32_t left, offset, p;
struct imageInfo_t o;
const char *r;

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

DataRefImpl Ref = S.getRawDataRefImpl();
StringRef SegName = info->O->getSectionFinalSegmentName(Ref);
outs() << "Contents of (" << SegName << "," << SectName << ") section\n";
p = S.getAddress();
r = get_pointer_32(p, offset, left, S, info);
if (r == nullptr)
  return;
memset(&o, '\0', sizeof(struct imageInfo_t));
if (left < sizeof(struct imageInfo_t)) {
  memcpy(&o, r, left);
  outs() << " (imageInfo entends past the end of the section)\n";
} else
  memcpy(&o, r, sizeof(struct imageInfo_t));
if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
  swapStruct(o);
outs() << "  version " << o.version << "\n";
outs() << "    flags " << format("0x%" PRIx32"x", o.flags);
if (o.flags & 0x1)
  outs() << "  F&C";
if (o.flags & 0x2)
  outs() << " GC";
if (o.flags & 0x4)
  outs() << " GC-only";
else
  outs() << " RR";
outs() << "\n";
6099}

6101static void printObjc2_64bit_MetaData(MachOObjectFile *O, bool verbose) {
SymbolAddressMap AddrMap;
if (verbose)
  CreateSymbolAddressMap(O, &AddrMap);

std::vector<SectionRef> Sections;
append_range(Sections, O->sections());

struct DisassembleInfo info(O, &AddrMap, &Sections, verbose);

SectionRef CL = get_section(O, "__OBJC2", "__class_list");
if (CL == SectionRef())
  CL = get_section(O, "__DATA", "__objc_classlist");
if (CL == SectionRef())
  CL = get_section(O, "__DATA_CONST", "__objc_classlist");
if (CL == SectionRef())
  CL = get_section(O, "__DATA_DIRTY", "__objc_classlist");
info.S = CL;
walk_pointer_list_64("class", CL, O, &info, print_class64_t);

SectionRef CR = get_section(O, "__OBJC2", "__class_refs");
if (CR == SectionRef())
  CR = get_section(O, "__DATA", "__objc_classrefs");
if (CR == SectionRef())
  CR = get_section(O, "__DATA_CONST", "__objc_classrefs");
if (CR == SectionRef())
  CR = get_section(O, "__DATA_DIRTY", "__objc_classrefs");
info.S = CR;
walk_pointer_list_64("class refs", CR, O, &info, nullptr);

SectionRef SR = get_section(O, "__OBJC2", "__super_refs");
if (SR == SectionRef())
  SR = get_section(O, "__DATA", "__objc_superrefs");
if (SR == SectionRef())
  SR = get_section(O, "__DATA_CONST", "__objc_superrefs");
if (SR == SectionRef())
  SR = get_section(O, "__DATA_DIRTY", "__objc_superrefs");
info.S = SR;
walk_pointer_list_64("super refs", SR, O, &info, nullptr);

SectionRef CA = get_section(O, "__OBJC2", "__category_list");
if (CA == SectionRef())
  CA = get_section(O, "__DATA", "__objc_catlist");
if (CA == SectionRef())
  CA = get_section(O, "__DATA_CONST", "__objc_catlist");
if (CA == SectionRef())
  CA = get_section(O, "__DATA_DIRTY", "__objc_catlist");
info.S = CA;
walk_pointer_list_64("category", CA, O, &info, print_category64_t);

SectionRef PL = get_section(O, "__OBJC2", "__protocol_list");
if (PL == SectionRef())
  PL = get_section(O, "__DATA", "__objc_protolist");
if (PL == SectionRef())
  PL = get_section(O, "__DATA_CONST", "__objc_protolist");
if (PL == SectionRef())
  PL = get_section(O, "__DATA_DIRTY", "__objc_protolist");
info.S = PL;
walk_pointer_list_64("protocol", PL, O, &info, nullptr);

SectionRef MR = get_section(O, "__OBJC2", "__message_refs");
if (MR == SectionRef())
  MR = get_section(O, "__DATA", "__objc_msgrefs");
if (MR == SectionRef())
  MR = get_section(O, "__DATA_CONST", "__objc_msgrefs");
if (MR == SectionRef())
  MR = get_section(O, "__DATA_DIRTY", "__objc_msgrefs");
info.S = MR;
print_message_refs64(MR, &info);

SectionRef II = get_section(O, "__OBJC2", "__image_info");
if (II == SectionRef())
  II = get_section(O, "__DATA", "__objc_imageinfo");
if (II == SectionRef())
  II = get_section(O, "__DATA_CONST", "__objc_imageinfo");
if (II == SectionRef())
  II = get_section(O, "__DATA_DIRTY", "__objc_imageinfo");
info.S = II;
print_image_info64(II, &info);
6180}

6182static void printObjc2_32bit_MetaData(MachOObjectFile *O, bool verbose) {
SymbolAddressMap AddrMap;
if (verbose)
  CreateSymbolAddressMap(O, &AddrMap);

std::vector<SectionRef> Sections;
append_range(Sections, O->sections());

struct DisassembleInfo info(O, &AddrMap, &Sections, verbose);

SectionRef CL = get_section(O, "__OBJC2", "__class_list");
if (CL == SectionRef())
  CL = get_section(O, "__DATA", "__objc_classlist");
if (CL == SectionRef())
  CL = get_section(O, "__DATA_CONST", "__objc_classlist");
if (CL == SectionRef())
  CL = get_section(O, "__DATA_DIRTY", "__objc_classlist");
info.S = CL;
walk_pointer_list_32("class", CL, O, &info, print_class32_t);

SectionRef CR = get_section(O, "__OBJC2", "__class_refs");
if (CR == SectionRef())
  CR = get_section(O, "__DATA", "__objc_classrefs");
if (CR == SectionRef())
  CR = get_section(O, "__DATA_CONST", "__objc_classrefs");
if (CR == SectionRef())
  CR = get_section(O, "__DATA_DIRTY", "__objc_classrefs");
info.S = CR;
walk_pointer_list_32("class refs", CR, O, &info, nullptr);

SectionRef SR = get_section(O, "__OBJC2", "__super_refs");
if (SR == SectionRef())
  SR = get_section(O, "__DATA", "__objc_superrefs");
if (SR == SectionRef())
  SR = get_section(O, "__DATA_CONST", "__objc_superrefs");
if (SR == SectionRef())
  SR = get_section(O, "__DATA_DIRTY", "__objc_superrefs");
info.S = SR;
walk_pointer_list_32("super refs", SR, O, &info, nullptr);

SectionRef CA = get_section(O, "__OBJC2", "__category_list");
if (CA == SectionRef())
  CA = get_section(O, "__DATA", "__objc_catlist");
if (CA == SectionRef())
  CA = get_section(O, "__DATA_CONST", "__objc_catlist");
if (CA == SectionRef())
  CA = get_section(O, "__DATA_DIRTY", "__objc_catlist");
info.S = CA;
walk_pointer_list_32("category", CA, O, &info, print_category32_t);

SectionRef PL = get_section(O, "__OBJC2", "__protocol_list");
if (PL == SectionRef())
  PL = get_section(O, "__DATA", "__objc_protolist");
if (PL == SectionRef())
  PL = get_section(O, "__DATA_CONST", "__objc_protolist");
if (PL == SectionRef())
  PL = get_section(O, "__DATA_DIRTY", "__objc_protolist");
info.S = PL;
walk_pointer_list_32("protocol", PL, O, &info, nullptr);

SectionRef MR = get_section(O, "__OBJC2", "__message_refs");
if (MR == SectionRef())
  MR = get_section(O, "__DATA", "__objc_msgrefs");
if (MR == SectionRef())
  MR = get_section(O, "__DATA_CONST", "__objc_msgrefs");
if (MR == SectionRef())
  MR = get_section(O, "__DATA_DIRTY", "__objc_msgrefs");
info.S = MR;
print_message_refs32(MR, &info);

SectionRef II = get_section(O, "__OBJC2", "__image_info");
if (II == SectionRef())
  II = get_section(O, "__DATA", "__objc_imageinfo");
if (II == SectionRef())
  II = get_section(O, "__DATA_CONST", "__objc_imageinfo");
if (II == SectionRef())
  II = get_section(O, "__DATA_DIRTY", "__objc_imageinfo");
info.S = II;
print_image_info32(II, &info);
6261}

6263static bool printObjc1_32bit_MetaData(MachOObjectFile *O, bool verbose) {
uint32_t i, j, p, offset, xoffset, left, defs_left, def;
const char *r, *name, *defs;
struct objc_module_t module;
SectionRef S, xS;
77
←
Calling defaulted default constructor for 'SectionRef'→
79
←
Returning from default constructor for 'SectionRef'→
struct objc_symtab_t symtab;
struct objc_class_t objc_class;
struct objc_category_t objc_category;

outs() << "Objective-C segment\n";
S = get_section(O, "__OBJC", "__module_info");
if (S == SectionRef())
80
←
Taking false branch→
  return false;

SymbolAddressMap AddrMap;
if (verbose)
81
←
Assuming 'verbose' is false→
82
←
Taking false branch→
  CreateSymbolAddressMap(O, &AddrMap);

std::vector<SectionRef> Sections;
append_range(Sections, O->sections());

struct DisassembleInfo info(O, &AddrMap, &Sections, verbose);

for (i = 0; i < S.getSize(); i += sizeof(struct objc_module_t)) {
83
←
Calling 'SectionRef::getSize'→
  p = S.getAddress() + i;
  r = get_pointer_32(p, offset, left, S, &info, true);
  if (r == nullptr)
    return true;
  memset(&module, '\0', sizeof(struct objc_module_t));
  if (left < sizeof(struct objc_module_t)) {
    memcpy(&module, r, left);
    outs() << "   (module extends past end of __module_info section)\n";
  } else
    memcpy(&module, r, sizeof(struct objc_module_t));
  if (O->isLittleEndian() != sys::IsLittleEndianHost)
    swapStruct(module);

  outs() << "Module " << format("0x%" PRIx32"x", p) << "\n";
  outs() << "    version " << module.version << "\n";
  outs() << "       size " << module.size << "\n";
  outs() << "       name ";
  name = get_pointer_32(module.name, xoffset, left, xS, &info, true);
  if (name != nullptr)
    outs() << format("%.*s", left, name);
  else
    outs() << format("0x%08" PRIx32"x", module.name)
           << "(not in an __OBJC section)";
  outs() << "\n";

  r = get_pointer_32(module.symtab, xoffset, left, xS, &info, true);
  if (module.symtab == 0 || r == nullptr) {
    outs() << "     symtab " << format("0x%08" PRIx32"x", module.symtab)
           << " (not in an __OBJC section)\n";
    continue;
  }
  outs() << "     symtab " << format("0x%08" PRIx32"x", module.symtab) << "\n";
  memset(&symtab, '\0', sizeof(struct objc_symtab_t));
  defs_left = 0;
  defs = nullptr;
  if (left < sizeof(struct objc_symtab_t)) {
    memcpy(&symtab, r, left);
    outs() << "\tsymtab extends past end of an __OBJC section)\n";
  } else {
    memcpy(&symtab, r, sizeof(struct objc_symtab_t));
    if (left > sizeof(struct objc_symtab_t)) {
      defs_left = left - sizeof(struct objc_symtab_t);
      defs = r + sizeof(struct objc_symtab_t);
    }
  }
  if (O->isLittleEndian() != sys::IsLittleEndianHost)
    swapStruct(symtab);

  outs() << "\tsel_ref_cnt " << symtab.sel_ref_cnt << "\n";
  r = get_pointer_32(symtab.refs, xoffset, left, xS, &info, true);
  outs() << "\trefs " << format("0x%08" PRIx32"x", symtab.refs);
  if (r == nullptr)
    outs() << " (not in an __OBJC section)";
  outs() << "\n";
  outs() << "\tcls_def_cnt " << symtab.cls_def_cnt << "\n";
  outs() << "\tcat_def_cnt " << symtab.cat_def_cnt << "\n";
  if (symtab.cls_def_cnt > 0)
    outs() << "\tClass Definitions\n";
  for (j = 0; j < symtab.cls_def_cnt; j++) {
    if ((j + 1) * sizeof(uint32_t) > defs_left) {
      outs() << "\t(remaining class defs entries entends past the end of the "
             << "section)\n";
      break;
    }
    memcpy(&def, defs + j * sizeof(uint32_t), sizeof(uint32_t));
    if (O->isLittleEndian() != sys::IsLittleEndianHost)
      sys::swapByteOrder(def);

    r = get_pointer_32(def, xoffset, left, xS, &info, true);
    outs() << "\tdefs[" << j << "] " << format("0x%08" PRIx32"x", def);
    if (r != nullptr) {
      if (left > sizeof(struct objc_class_t)) {
        outs() << "\n";
        memcpy(&objc_class, r, sizeof(struct objc_class_t));
      } else {
        outs() << " (entends past the end of the section)\n";
        memset(&objc_class, '\0', sizeof(struct objc_class_t));
        memcpy(&objc_class, r, left);
      }
      if (O->isLittleEndian() != sys::IsLittleEndianHost)
        swapStruct(objc_class);
      print_objc_class_t(&objc_class, &info);
    } else {
      outs() << "(not in an __OBJC section)\n";
    }

    if (CLS_GETINFO(&objc_class, CLS_CLASS)((&objc_class)->info & (0x1))) {
      outs() << "\tMeta Class";
      r = get_pointer_32(objc_class.isa, xoffset, left, xS, &info, true);
      if (r != nullptr) {
        if (left > sizeof(struct objc_class_t)) {
          outs() << "\n";
          memcpy(&objc_class, r, sizeof(struct objc_class_t));
        } else {
          outs() << " (entends past the end of the section)\n";
          memset(&objc_class, '\0', sizeof(struct objc_class_t));
          memcpy(&objc_class, r, left);
        }
        if (O->isLittleEndian() != sys::IsLittleEndianHost)
          swapStruct(objc_class);
        print_objc_class_t(&objc_class, &info);
      } else {
        outs() << "(not in an __OBJC section)\n";
      }
    }
  }
  if (symtab.cat_def_cnt > 0)
    outs() << "\tCategory Definitions\n";
  for (j = 0; j < symtab.cat_def_cnt; j++) {
    if ((j + symtab.cls_def_cnt + 1) * sizeof(uint32_t) > defs_left) {
      outs() << "\t(remaining category defs entries entends past the end of "
             << "the section)\n";
      break;
    }
    memcpy(&def, defs + (j + symtab.cls_def_cnt) * sizeof(uint32_t),
           sizeof(uint32_t));
    if (O->isLittleEndian() != sys::IsLittleEndianHost)
      sys::swapByteOrder(def);

    r = get_pointer_32(def, xoffset, left, xS, &info, true);
    outs() << "\tdefs[" << j + symtab.cls_def_cnt << "] "
           << format("0x%08" PRIx32"x", def);
    if (r != nullptr) {
      if (left > sizeof(struct objc_category_t)) {
        outs() << "\n";
        memcpy(&objc_category, r, sizeof(struct objc_category_t));
      } else {
        outs() << " (entends past the end of the section)\n";
        memset(&objc_category, '\0', sizeof(struct objc_category_t));
        memcpy(&objc_category, r, left);
      }
      if (O->isLittleEndian() != sys::IsLittleEndianHost)
        swapStruct(objc_category);
      print_objc_objc_category_t(&objc_category, &info);
    } else {
      outs() << "(not in an __OBJC section)\n";
    }
  }
}
const SectionRef II = get_section(O, "__OBJC", "__image_info");
if (II != SectionRef())
  print_image_info(II, &info);

return true;
6431}

6433static void DumpProtocolSection(MachOObjectFile *O, const char *sect,
                              uint32_t size, uint32_t addr) {
SymbolAddressMap AddrMap;
CreateSymbolAddressMap(O, &AddrMap);

std::vector<SectionRef> Sections;
append_range(Sections, O->sections());

struct DisassembleInfo info(O, &AddrMap, &Sections, true);

const char *p;
struct objc_protocol_t protocol;
uint32_t left, paddr;
for (p = sect; p < sect + size; p += sizeof(struct objc_protocol_t)) {
  memset(&protocol, '\0', sizeof(struct objc_protocol_t));
  left = size - (p - sect);
  if (left < sizeof(struct objc_protocol_t)) {
    outs() << "Protocol extends past end of __protocol section\n";
    memcpy(&protocol, p, left);
  } else
    memcpy(&protocol, p, sizeof(struct objc_protocol_t));
  if (O->isLittleEndian() != sys::IsLittleEndianHost)
    swapStruct(protocol);
  paddr = addr + (p - sect);
  outs() << "Protocol " << format("0x%" PRIx32"x", paddr);
  if (print_protocol(paddr, 0, &info))
    outs() << "(not in an __OBJC section)\n";
}
6461}

6463#ifdef LLVM_HAVE_LIBXAR
6464static inline void swapStruct(struct xar_header &xar) {
sys::swapByteOrder(xar.magic);
sys::swapByteOrder(xar.size);
sys::swapByteOrder(xar.version);
sys::swapByteOrder(xar.toc_length_compressed);
sys::swapByteOrder(xar.toc_length_uncompressed);
sys::swapByteOrder(xar.cksum_alg);
6471}

6473static void PrintModeVerbose(uint32_t mode) {
switch(mode & S_IFMT){
case S_IFDIR:
  outs() << "d";
  break;
case S_IFCHR:
  outs() << "c";
  break;
case S_IFBLK:
  outs() << "b";
  break;
case S_IFREG:
  outs() << "-";
  break;
case S_IFLNK:
  outs() << "l";
  break;
case S_IFSOCK:
  outs() << "s";
  break;
default:
  outs() << "?";
  break;
}

/* owner permissions */
if(mode & S_IREAD)
  outs() << "r";
else
  outs() << "-";
if(mode & S_IWRITE)
  outs() << "w";
else
  outs() << "-";
if(mode & S_ISUID)
  outs() << "s";
else if(mode & S_IEXEC)
  outs() << "x";
else
  outs() << "-";

/* group permissions */
if(mode & (S_IREAD >> 3))
  outs() << "r";
else
  outs() << "-";
if(mode & (S_IWRITE >> 3))
  outs() << "w";
else
  outs() << "-";
if(mode & S_ISGID)
  outs() << "s";
else if(mode & (S_IEXEC >> 3))
  outs() << "x";
else
  outs() << "-";

/* other permissions */
if(mode & (S_IREAD >> 6))
  outs() << "r";
else
  outs() << "-";
if(mode & (S_IWRITE >> 6))
  outs() << "w";
else
  outs() << "-";
if(mode & S_ISVTX)
  outs() << "t";
else if(mode & (S_IEXEC >> 6))
  outs() << "x";
else
  outs() << "-";
6545}

6547static void PrintXarFilesSummary(const char *XarFilename, xar_t xar) {
xar_file_t xf;
const char *key, *type, *mode, *user, *group, *size, *mtime, *name, *m;
char *endp;
uint32_t mode_value;

ScopedXarIter xi;
if (!xi) {
  WithColor::error(errs(), "llvm-objdump")
      << "can't obtain an xar iterator for xar archive " << XarFilename
      << "\n";
  return;
}

// Go through the xar's files.
for (xf = xar_file_first(xar, xi); xf; xf = xar_file_next(xi)) {
  ScopedXarIter xp;
  if(!xp){
    WithColor::error(errs(), "llvm-objdump")
        << "can't obtain an xar iterator for xar archive " << XarFilename
        << "\n";
    return;
  }
  type = nullptr;
  mode = nullptr;
  user = nullptr;
  group = nullptr;
  size = nullptr;
  mtime = nullptr;
  name = nullptr;
  for(key = xar_prop_first(xf, xp); key; key = xar_prop_next(xp)){
    const char *val = nullptr;
    xar_prop_get(xf, key, &val);
6580#if 0 // Useful for debugging.
    outs() << "key: " << key << " value: " << val << "\n";
6582#endif
    if(strcmp(key, "type") == 0)
      type = val;
    if(strcmp(key, "mode") == 0)
      mode = val;
    if(strcmp(key, "user") == 0)
      user = val;
    if(strcmp(key, "group") == 0)
      group = val;
    if(strcmp(key, "data/size") == 0)
      size = val;
    if(strcmp(key, "mtime") == 0)
      mtime = val;
    if(strcmp(key, "name") == 0)
      name = val;
  }
  if(mode != nullptr){
    mode_value = strtoul(mode, &endp, 8);
    if(*endp != '\0')
      outs() << "(mode: \"" << mode << "\" contains non-octal chars) ";
    if(strcmp(type, "file") == 0)
      mode_value |= S_IFREG;
    PrintModeVerbose(mode_value);
    outs() << " ";
  }
  if(user != nullptr)
    outs() << format("%10s/", user);
  if(group != nullptr)
    outs() << format("%-10s ", group);
  if(size != nullptr)
    outs() << format("%7s ", size);
  if(mtime != nullptr){
    for(m = mtime; *m != 'T' && *m != '\0'; m++)
      outs() << *m;
    if(*m == 'T')
      m++;
    outs() << " ";
    for( ; *m != 'Z' && *m != '\0'; m++)
      outs() << *m;
    outs() << " ";
  }
  if(name != nullptr)
    outs() << name;
  outs() << "\n";
}
6627}

6629static void DumpBitcodeSection(MachOObjectFile *O, const char *sect,
                              uint32_t size, bool verbose,
                              bool PrintXarHeader, bool PrintXarFileHeaders,
                              std::string XarMemberName) {
if(size < sizeof(struct xar_header)) {
  outs() << "size of (__LLVM,__bundle) section too small (smaller than size "
            "of struct xar_header)\n";
  return;
}
struct xar_header XarHeader;
memcpy(&XarHeader, sect, sizeof(struct xar_header));
if (sys::IsLittleEndianHost)
  swapStruct(XarHeader);
if (PrintXarHeader) {
  if (!XarMemberName.empty())
    outs() << "In xar member " << XarMemberName << ": ";
  else
    outs() << "For (__LLVM,__bundle) section: ";
  outs() << "xar header\n";
  if (XarHeader.magic == XAR_HEADER_MAGIC)
    outs() << "                  magic XAR_HEADER_MAGIC\n";
  else
    outs() << "                  magic "
           << format_hex(XarHeader.magic, 10, true)
           << " (not XAR_HEADER_MAGIC)\n";
  outs() << "                   size " << XarHeader.size << "\n";
  outs() << "                version " << XarHeader.version << "\n";
  outs() << "  toc_length_compressed " << XarHeader.toc_length_compressed
         << "\n";
  outs() << "toc_length_uncompressed " << XarHeader.toc_length_uncompressed
         << "\n";
  outs() << "              cksum_alg ";
  switch (XarHeader.cksum_alg) {
    case XAR_CKSUM_NONE:
      outs() << "XAR_CKSUM_NONE\n";
      break;
    case XAR_CKSUM_SHA1:
      outs() << "XAR_CKSUM_SHA1\n";
      break;
    case XAR_CKSUM_MD5:
      outs() << "XAR_CKSUM_MD5\n";
      break;
6671#ifdef XAR_CKSUM_SHA256
    case XAR_CKSUM_SHA256:
      outs() << "XAR_CKSUM_SHA256\n";
      break;
6675#endif
6676#ifdef XAR_CKSUM_SHA512
    case XAR_CKSUM_SHA512:
      outs() << "XAR_CKSUM_SHA512\n";
      break;
6680#endif
    default:
      outs() << XarHeader.cksum_alg << "\n";
  }
}

SmallString<128> XarFilename;
int FD;
std::error_code XarEC =
    sys::fs::createTemporaryFile("llvm-objdump", "xar", FD, XarFilename);
if (XarEC) {
  WithColor::error(errs(), "llvm-objdump") << XarEC.message() << "\n";
  return;
}
ToolOutputFile XarFile(XarFilename, FD);
raw_fd_ostream &XarOut = XarFile.os();
StringRef XarContents(sect, size);
XarOut << XarContents;
XarOut.close();
if (XarOut.has_error())
  return;

ScopedXarFile xar(XarFilename.c_str(), READ);
if (!xar) {
  WithColor::error(errs(), "llvm-objdump")
      << "can't create temporary xar archive " << XarFilename << "\n";
  return;
}

SmallString<128> TocFilename;
std::error_code TocEC =
    sys::fs::createTemporaryFile("llvm-objdump", "toc", TocFilename);
if (TocEC) {
  WithColor::error(errs(), "llvm-objdump") << TocEC.message() << "\n";
  return;
}
xar_serialize(xar, TocFilename.c_str());

if (PrintXarFileHeaders) {
  if (!XarMemberName.empty())
    outs() << "In xar member " << XarMemberName << ": ";
  else
    outs() << "For (__LLVM,__bundle) section: ";
  outs() << "xar archive files:\n";
  PrintXarFilesSummary(XarFilename.c_str(), xar);
}

ErrorOr<std::unique_ptr<MemoryBuffer>> FileOrErr =
  MemoryBuffer::getFileOrSTDIN(TocFilename.c_str());
if (std::error_code EC = FileOrErr.getError()) {
  WithColor::error(errs(), "llvm-objdump") << EC.message() << "\n";
  return;
}
std::unique_ptr<MemoryBuffer> &Buffer = FileOrErr.get();

if (!XarMemberName.empty())
  outs() << "In xar member " << XarMemberName << ": ";
else
  outs() << "For (__LLVM,__bundle) section: ";
outs() << "xar table of contents:\n";
outs() << Buffer->getBuffer() << "\n";

// TODO: Go through the xar's files.
ScopedXarIter xi;
if(!xi){
  WithColor::error(errs(), "llvm-objdump")
      << "can't obtain an xar iterator for xar archive "
      << XarFilename.c_str() << "\n";
  return;
}
for(xar_file_t xf = xar_file_first(xar, xi); xf; xf = xar_file_next(xi)){
  const char *key;
  const char *member_name, *member_type, *member_size_string;
  size_t member_size;

  ScopedXarIter xp;
  if(!xp){
    WithColor::error(errs(), "llvm-objdump")
        << "can't obtain an xar iterator for xar archive "
        << XarFilename.c_str() << "\n";
    return;
  }
  member_name = NULL__null;
  member_type = NULL__null;
  member_size_string = NULL__null;
  for(key = xar_prop_first(xf, xp); key; key = xar_prop_next(xp)){
    const char *val = nullptr;
    xar_prop_get(xf, key, &val);
6768#if 0 // Useful for debugging.
    outs() << "key: " << key << " value: " << val << "\n";
6770#endif
    if (strcmp(key, "name") == 0)
      member_name = val;
    if (strcmp(key, "type") == 0)
      member_type = val;
    if (strcmp(key, "data/size") == 0)
      member_size_string = val;
  }
  /*
   * If we find a file with a name, date/size and type properties
   * and with the type being "file" see if that is a xar file.
   */
  if (member_name != NULL__null && member_type != NULL__null &&
      strcmp(member_type, "file") == 0 &&
      member_size_string != NULL__null){
    // Extract the file into a buffer.
    char *endptr;
    member_size = strtoul(member_size_string, &endptr, 10);
    if (*endptr == '\0' && member_size != 0) {
      char *buffer;
      if (xar_extract_tobuffersz(xar, xf, &buffer, &member_size) == 0) {
6791#if 0 // Useful for debugging.
        outs() << "xar member: " << member_name << " extracted\n";
6793#endif
        // Set the XarMemberName we want to see printed in the header.
        std::string OldXarMemberName;
        // If XarMemberName is already set this is nested. So
        // save the old name and create the nested name.
        if (!XarMemberName.empty()) {
          OldXarMemberName = XarMemberName;
          XarMemberName =
              (Twine("[") + XarMemberName + "]" + member_name).str();
        } else {
          OldXarMemberName = "";
          XarMemberName = member_name;
        }
        // See if this is could be a xar file (nested).
        if (member_size >= sizeof(struct xar_header)) {
6808#if 0 // Useful for debugging.
          outs() << "could be a xar file: " << member_name << "\n";
6810#endif
          memcpy((char *)&XarHeader, buffer, sizeof(struct xar_header));
          if (sys::IsLittleEndianHost)
            swapStruct(XarHeader);
          if (XarHeader.magic == XAR_HEADER_MAGIC)
            DumpBitcodeSection(O, buffer, member_size, verbose,
                               PrintXarHeader, PrintXarFileHeaders,
                               XarMemberName);
        }
        XarMemberName = OldXarMemberName;
        delete buffer;
      }
    }
  }
}
6825}
6826#endif // defined(LLVM_HAVE_LIBXAR)

6828static void printObjcMetaData(MachOObjectFile *O, bool verbose) {
if (O->is64Bit())
72
←
Assuming the condition is false→
73
←
Taking false branch→
  printObjc2_64bit_MetaData(O, verbose);
else {
  MachO::mach_header H;
  H = O->getHeader();
  if (H.cputype == MachO::CPU_TYPE_ARM)
74
←
Assuming field 'cputype' is not equal to CPU_TYPE_ARM→
75
←
Taking false branch→
    printObjc2_32bit_MetaData(O, verbose);
  else {
    // This is the 32-bit non-arm cputype case.  Which is normally
    // the first Objective-C ABI.  But it may be the case of a
    // binary for the iOS simulator which is the second Objective-C
    // ABI.  In that case printObjc1_32bit_MetaData() will determine that
    // and return false.
    if (!printObjc1_32bit_MetaData(O, verbose))
76
←
Calling 'printObjc1_32bit_MetaData'→
      printObjc2_32bit_MetaData(O, verbose);
  }
}
6846}

6848// GuessLiteralPointer returns a string which for the item in the Mach-O file
6849// for the address passed in as ReferenceValue for printing as a comment with
6850// the instruction and also returns the corresponding type of that item
6851// indirectly through ReferenceType.
6852//
6853// If ReferenceValue is an address of literal cstring then a pointer to the
6854// cstring is returned and ReferenceType is set to
6855// LLVMDisassembler_ReferenceType_Out_LitPool_CstrAddr .
6856//
6857// If ReferenceValue is an address of an Objective-C CFString, Selector ref or
6858// Class ref that name is returned and the ReferenceType is set accordingly.
6859//
6860// Lastly, literals which are Symbol address in a literal pool are looked for
6861// and if found the symbol name is returned and ReferenceType is set to
6862// LLVMDisassembler_ReferenceType_Out_LitPool_SymAddr .
6863//
6864// If there is no item in the Mach-O file for the address passed in as
6865// ReferenceValue nullptr is returned and ReferenceType is unchanged.
6866static const char *GuessLiteralPointer(uint64_t ReferenceValue,
                                     uint64_t ReferencePC,
                                     uint64_t *ReferenceType,
                                     struct DisassembleInfo *info) {
// First see if there is an external relocation entry at the ReferencePC.
if (info->O->getHeader().filetype == MachO::MH_OBJECT) {
  uint64_t sect_addr = info->S.getAddress();
  uint64_t sect_offset = ReferencePC - 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);
      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 a section
  // then used that symbol's value for the value of the reference.
  if (reloc_found && isExtern) {
    if (info->O->getAnyRelocationPCRel(RE)) {
      unsigned Type = info->O->getAnyRelocationType(RE);
      if (Type == MachO::X86_64_RELOC_SIGNED) {
        ReferenceValue = cantFail(Symbol.getValue());
      }
    }
  }
}

// Look for literals such as Objective-C CFStrings refs, Selector refs,
// Message refs and Class refs.
bool classref, selref, msgref, cfstring;
uint64_t pointer_value = GuessPointerPointer(ReferenceValue, info, classref,
                                             selref, msgref, cfstring);
if (classref && pointer_value == 0) {
  // Note the ReferenceValue is a pointer into the __objc_classrefs section.
  // And the pointer_value in that section is typically zero as it will be
  // set by dyld as part of the "bind information".
  const char *name = get_dyld_bind_info_symbolname(ReferenceValue, info);
  if (name != nullptr) {
    *ReferenceType = LLVMDisassembler_ReferenceType_Out_Objc_Class_Ref8;
    const char *class_name = strrchr(name, '$');
    if (class_name != nullptr && class_name[1] == '_' &&
        class_name[2] != '\0') {
      info->class_name = class_name + 2;
      return name;
    }
  }
}

if (classref) {
  *ReferenceType = LLVMDisassembler_ReferenceType_Out_Objc_Class_Ref8;
  const char *name =
      get_objc2_64bit_class_name(pointer_value, ReferenceValue, info);
  if (name != nullptr)
    info->class_name = name;
  else
    name = "bad class ref";
  return name;
}

if (cfstring) {
  *ReferenceType = LLVMDisassembler_ReferenceType_Out_Objc_CFString_Ref4;
  const char *name = get_objc2_64bit_cfstring_name(ReferenceValue, info);
  return name;
}

if (selref && pointer_value == 0)
  pointer_value = get_objc2_64bit_selref(ReferenceValue, info);

if (pointer_value != 0)
  ReferenceValue = pointer_value;

const char *name = GuessCstringPointer(ReferenceValue, info);
if (name) {
  if (pointer_value != 0 && selref) {
    *ReferenceType = LLVMDisassembler_ReferenceType_Out_Objc_Selector_Ref7;
    info->selector_name = name;
  } else if (pointer_value != 0 && msgref) {
    info->class_name = nullptr;
    *ReferenceType = LLVMDisassembler_ReferenceType_Out_Objc_Message_Ref6;
    info->selector_name = name;
  } else
    *ReferenceType = LLVMDisassembler_ReferenceType_Out_LitPool_CstrAddr3;
  return name;
}

// Lastly look for an indirect symbol with this ReferenceValue which is in
// a literal pool.  If found return that symbol name.
name = GuessIndirectSymbol(ReferenceValue, info);
if (name) {
  *ReferenceType = LLVMDisassembler_ReferenceType_Out_LitPool_SymAddr2;
  return name;
}

return nullptr;
6974}

6976// SymbolizerSymbolLookUp is the symbol lookup function passed when creating
6977// the Symbolizer.  It looks up the ReferenceValue using the info passed via the
6978// pointer to the struct DisassembleInfo that was passed when MCSymbolizer
6979// is created and returns the symbol name that matches the ReferenceValue or
6980// nullptr if none.  The ReferenceType is passed in for the IN type of
6981// reference the instruction is making from the values in defined in the header
6982// "llvm-c/Disassembler.h".  On return the ReferenceType can set to a specific
6983// Out type and the ReferenceName will also be set which is added as a comment
6984// to the disassembled instruction.
6985//
6986// If the symbol name is a C++ mangled name then the demangled name is
6987// returned through ReferenceName and ReferenceType is set to
6988// LLVMDisassembler_ReferenceType_DeMangled_Name .
6989//
6990// When this is called to get a symbol name for a branch target then the
6991// ReferenceType will be LLVMDisassembler_ReferenceType_In_Branch and then
6992// SymbolValue will be looked for in the indirect symbol table to determine if
6993// it is an address for a symbol stub.  If so then the symbol name for that
6994// stub is returned indirectly through ReferenceName and then ReferenceType is
6995// set to LLVMDisassembler_ReferenceType_Out_SymbolStub.
6996//
6997// When this is called with an value loaded via a PC relative load then
6998// ReferenceType will be LLVMDisassembler_ReferenceType_In_PCrel_Load then the
6999// SymbolValue is checked to be an address of literal pointer, symbol pointer,
7000// or an Objective-C meta data reference.  If so the output ReferenceType is
7001// set to correspond to that as well as setting the ReferenceName.
7002static const char *SymbolizerSymbolLookUp(void *DisInfo,
                                        uint64_t ReferenceValue,
                                        uint64_t *ReferenceType,
                                        uint64_t ReferencePC,
                                        const char **ReferenceName) {
struct DisassembleInfo *info = (struct DisassembleInfo *)DisInfo;
// If no verbose symbolic information is wanted then just return nullptr.
if (!info->verbose) {
  *ReferenceName = nullptr;
  *ReferenceType = LLVMDisassembler_ReferenceType_InOut_None0;
  return nullptr;
}

const char *SymbolName = GuessSymbolName(ReferenceValue, info->AddrMap);

if (*ReferenceType == LLVMDisassembler_ReferenceType_In_Branch1) {
  *ReferenceName = GuessIndirectSymbol(ReferenceValue, info);
  if (*ReferenceName != nullptr) {
    method_reference(info, ReferenceType, ReferenceName);
    if (*ReferenceType != LLVMDisassembler_ReferenceType_Out_Objc_Message5)
      *ReferenceType = LLVMDisassembler_ReferenceType_Out_SymbolStub1;
  } else if (SymbolName != nullptr && strncmp(SymbolName, "__Z", 3) == 0) {
    if (info->demangled_name != nullptr)
      free(info->demangled_name);
    int status;
    info->demangled_name =
        itaniumDemangle(SymbolName + 1, nullptr, nullptr, &status);
    if (info->demangled_name != nullptr) {
      *ReferenceName = info->demangled_name;
      *ReferenceType = LLVMDisassembler_ReferenceType_DeMangled_Name9;
    } else
      *ReferenceType = LLVMDisassembler_ReferenceType_InOut_None0;
  } else
    *ReferenceType = LLVMDisassembler_ReferenceType_InOut_None0;
} else if (*ReferenceType == LLVMDisassembler_ReferenceType_In_PCrel_Load2) {
  *ReferenceName =
      GuessLiteralPointer(ReferenceValue, ReferencePC, ReferenceType, info);
  if (*ReferenceName)
    method_reference(info, ReferenceType, ReferenceName);
  else
    *ReferenceType = LLVMDisassembler_ReferenceType_InOut_None0;
  // If this is arm64 and the reference is an adrp instruction save the
  // instruction, passed in ReferenceValue and the address of the instruction
  // for use later if we see and add immediate instruction.
} else if (info->O->getArch() == Triple::aarch64 &&
           *ReferenceType == LLVMDisassembler_ReferenceType_In_ARM64_ADRP0x100000001) {
  info->adrp_inst = ReferenceValue;
  info->adrp_addr = ReferencePC;
  SymbolName = nullptr;
  *ReferenceName = nullptr;
  *ReferenceType = LLVMDisassembler_ReferenceType_InOut_None0;
  // If this is arm64 and reference is an add immediate instruction and we
  // have
  // seen an adrp instruction just before it and the adrp's Xd register
  // matches
  // this add's Xn register reconstruct the value being referenced and look to
  // see if it is a literal pointer.  Note the add immediate instruction is
  // passed in ReferenceValue.
} else if (info->O->getArch() == Triple::aarch64 &&
           *ReferenceType == LLVMDisassembler_ReferenceType_In_ARM64_ADDXri0x100000002 &&
           ReferencePC - 4 == info->adrp_addr &&
           (info->adrp_inst & 0x9f000000) == 0x90000000 &&
           (info->adrp_inst & 0x1f) == ((ReferenceValue >> 5) & 0x1f)) {
  uint32_t addxri_inst;
  uint64_t adrp_imm, addxri_imm;

  adrp_imm =
      ((info->adrp_inst & 0x00ffffe0) >> 3) | ((info->adrp_inst >> 29) & 0x3);
  if (info->adrp_inst & 0x0200000)
    adrp_imm |= 0xfffffffffc000000LL;

  addxri_inst = ReferenceValue;
  addxri_imm = (addxri_inst >> 10) & 0xfff;
  if (((addxri_inst >> 22) & 0x3) == 1)
    addxri_imm <<= 12;

  ReferenceValue = (info->adrp_addr & 0xfffffffffffff000LL) +
                   (adrp_imm << 12) + addxri_imm;

  *ReferenceName =
      GuessLiteralPointer(ReferenceValue, ReferencePC, ReferenceType, info);
  if (*ReferenceName == nullptr)
    *ReferenceType = LLVMDisassembler_ReferenceType_InOut_None0;
  // If this is arm64 and the reference is a load register instruction and we
  // have seen an adrp instruction just before it and the adrp's Xd register
  // matches this add's Xn register reconstruct the value being referenced and
  // look to see if it is a literal pointer.  Note the load register
  // instruction is passed in ReferenceValue.
} else if (info->O->getArch() == Triple::aarch64 &&
           *ReferenceType == LLVMDisassembler_ReferenceType_In_ARM64_LDRXui0x100000003 &&
           ReferencePC - 4 == info->adrp_addr &&
           (info->adrp_inst & 0x9f000000) == 0x90000000 &&
           (info->adrp_inst & 0x1f) == ((ReferenceValue >> 5) & 0x1f)) {
  uint32_t ldrxui_inst;
  uint64_t adrp_imm, ldrxui_imm;

  adrp_imm =
      ((info->adrp_inst & 0x00ffffe0) >> 3) | ((info->adrp_inst >> 29) & 0x3);
  if (info->adrp_inst & 0x0200000)
    adrp_imm |= 0xfffffffffc000000LL;

  ldrxui_inst = ReferenceValue;
  ldrxui_imm = (ldrxui_inst >> 10) & 0xfff;

  ReferenceValue = (info->adrp_addr & 0xfffffffffffff000LL) +
                   (adrp_imm << 12) + (ldrxui_imm << 3);

  *ReferenceName =
      GuessLiteralPointer(ReferenceValue, ReferencePC, ReferenceType, info);
  if (*ReferenceName == nullptr)
    *ReferenceType = LLVMDisassembler_ReferenceType_InOut_None0;
}
// If this arm64 and is an load register (PC-relative) instruction the
// ReferenceValue is the PC plus the immediate value.
else if (info->O->getArch() == Triple::aarch64 &&
         (*ReferenceType == LLVMDisassembler_ReferenceType_In_ARM64_LDRXl0x100000004 ||
          *ReferenceType == LLVMDisassembler_ReferenceType_In_ARM64_ADR0x100000005)) {
  *ReferenceName =
      GuessLiteralPointer(ReferenceValue, ReferencePC, ReferenceType, info);
  if (*ReferenceName == nullptr)
    *ReferenceType = LLVMDisassembler_ReferenceType_InOut_None0;
} else if (SymbolName != nullptr && strncmp(SymbolName, "__Z", 3) == 0) {
  if (info->demangled_name != nullptr)
    free(info->demangled_name);
  int status;
  info->demangled_name =
      itaniumDemangle(SymbolName + 1, nullptr, nullptr, &status);
  if (info->demangled_name != nullptr) {
    *ReferenceName = info->demangled_name;
    *ReferenceType = LLVMDisassembler_ReferenceType_DeMangled_Name9;
  }
}
else {
  *ReferenceName = nullptr;
  *ReferenceType = LLVMDisassembler_ReferenceType_InOut_None0;
}

return SymbolName;
7140}

7142/// Emits the comments that are stored in the CommentStream.
7143/// Each comment in the CommentStream must end with a newline.
7144static void emitComments(raw_svector_ostream &CommentStream,
                       SmallString<128> &CommentsToEmit,
                       formatted_raw_ostream &FormattedOS,
                       const MCAsmInfo &MAI) {
// Flush the stream before taking its content.
StringRef Comments = CommentsToEmit.str();
// Get the default information for printing a comment.
StringRef CommentBegin = MAI.getCommentString();
unsigned CommentColumn = MAI.getCommentColumn();
ListSeparator LS("\n");
while (!Comments.empty()) {
  FormattedOS << LS;
  // Emit a line of comments.
  FormattedOS.PadToColumn(CommentColumn);
  size_t Position = Comments.find('\n');
  FormattedOS << CommentBegin << ' ' << Comments.substr(0, Position);
  // Move after the newline character.
  Comments = Comments.substr(Position + 1);
}
FormattedOS.flush();

// Tell the comment stream that the vector changed underneath it.
CommentsToEmit.clear();
7167}

7169static void DisassembleMachO(StringRef Filename, MachOObjectFile *MachOOF,
                           StringRef DisSegName, StringRef DisSectName) {
const char *McpuDefault = nullptr;
const Target *ThumbTarget = nullptr;
const Target *TheTarget = GetTarget(MachOOF, &McpuDefault, &ThumbTarget);
if (!TheTarget) {
  // GetTarget prints out stuff.
  return;
}
std::string MachOMCPU;
if (MCPU.empty() && McpuDefault)
  MachOMCPU = McpuDefault;
else
  MachOMCPU = MCPU;

7184#define CHECK_TARGET_INFO_CREATION(NAME)                                       \
do {                                                                         \
  if (!NAME) {                                                               \
    WithColor::error(errs(), "llvm-objdump")                                 \
        << "couldn't initialize disassembler for target " << TripleName      \
        << '\n';                                                             \
    return;                                                                  \
  }                                                                          \
} while (false)
7193#define CHECK_THUMB_TARGET_INFO_CREATION(NAME)                                 \
do {                                                                         \
  if (!NAME) {                                                               \
    WithColor::error(errs(), "llvm-objdump")                                 \
        << "couldn't initialize disassembler for target " << ThumbTripleName \
        << '\n';                                                             \
    return;                                                                  \
  }                                                                          \
} while (false)

std::unique_ptr<const MCInstrInfo> InstrInfo(TheTarget->createMCInstrInfo());
CHECK_TARGET_INFO_CREATION(InstrInfo);
std::unique_ptr<const MCInstrInfo> ThumbInstrInfo;
if (ThumbTarget) {
  ThumbInstrInfo.reset(ThumbTarget->createMCInstrInfo());
  CHECK_THUMB_TARGET_INFO_CREATION(ThumbInstrInfo);
}

// Package up features to be passed to target/subtarget
std::string FeaturesStr;
if (!MAttrs.empty()) {
  SubtargetFeatures Features;
  for (unsigned i = 0; i != MAttrs.size(); ++i)
    Features.AddFeature(MAttrs[i]);
  FeaturesStr = Features.getString();
}

MCTargetOptions MCOptions;
// Set up disassembler.
std::unique_ptr<const MCRegisterInfo> MRI(
    TheTarget->createMCRegInfo(TripleName));
CHECK_TARGET_INFO_CREATION(MRI);
std::unique_ptr<const MCAsmInfo> AsmInfo(
    TheTarget->createMCAsmInfo(*MRI, TripleName, MCOptions));
CHECK_TARGET_INFO_CREATION(AsmInfo);
std::unique_ptr<const MCSubtargetInfo> STI(
    TheTarget->createMCSubtargetInfo(TripleName, MachOMCPU, FeaturesStr));
CHECK_TARGET_INFO_CREATION(STI);
MCContext Ctx(Triple(TripleName), AsmInfo.get(), MRI.get(), STI.get());
std::unique_ptr<MCDisassembler> DisAsm(
    TheTarget->createMCDisassembler(*STI, Ctx));
CHECK_TARGET_INFO_CREATION(DisAsm);
std::unique_ptr<MCSymbolizer> Symbolizer;
struct DisassembleInfo SymbolizerInfo(nullptr, nullptr, nullptr, false);
std::unique_ptr<MCRelocationInfo> RelInfo(
    TheTarget->createMCRelocationInfo(TripleName, Ctx));
if (RelInfo) {
  Symbolizer.reset(TheTarget->createMCSymbolizer(
      TripleName, SymbolizerGetOpInfo, SymbolizerSymbolLookUp,
      &SymbolizerInfo, &Ctx, std::move(RelInfo)));
  DisAsm->setSymbolizer(std::move(Symbolizer));
}
int AsmPrinterVariant = AsmInfo->getAssemblerDialect();
std::unique_ptr<MCInstPrinter> IP(TheTarget->createMCInstPrinter(
    Triple(TripleName), AsmPrinterVariant, *AsmInfo, *InstrInfo, *MRI));
CHECK_TARGET_INFO_CREATION(IP);
// Set the display preference for hex vs. decimal immediates.
IP->setPrintImmHex(PrintImmHex);
// Comment stream and backing vector.
SmallString<128> CommentsToEmit;
raw_svector_ostream CommentStream(CommentsToEmit);
// FIXME: Setting the CommentStream in the InstPrinter is problematic in that
// if it is done then arm64 comments for string literals don't get printed
// and some constant get printed instead and not setting it causes intel
// (32-bit and 64-bit) comments printed with different spacing before the
// comment causing different diffs with the 'C' disassembler library API.
// IP->setCommentStream(CommentStream);

// Set up separate thumb disassembler if needed.
std::unique_ptr<const MCRegisterInfo> ThumbMRI;
std::unique_ptr<const MCAsmInfo> ThumbAsmInfo;
std::unique_ptr<const MCSubtargetInfo> ThumbSTI;
std::unique_ptr<MCDisassembler> ThumbDisAsm;
std::unique_ptr<MCInstPrinter> ThumbIP;
std::unique_ptr<MCContext> ThumbCtx;
std::unique_ptr<MCSymbolizer> ThumbSymbolizer;
struct DisassembleInfo ThumbSymbolizerInfo(nullptr, nullptr, nullptr, false);
std::unique_ptr<MCRelocationInfo> ThumbRelInfo;
if (ThumbTarget) {
  ThumbMRI.reset(ThumbTarget->createMCRegInfo(ThumbTripleName));
  CHECK_THUMB_TARGET_INFO_CREATION(ThumbMRI);
  ThumbAsmInfo.reset(
      ThumbTarget->createMCAsmInfo(*ThumbMRI, ThumbTripleName, MCOptions));
  CHECK_THUMB_TARGET_INFO_CREATION(ThumbAsmInfo);
  ThumbSTI.reset(
      ThumbTarget->createMCSubtargetInfo(ThumbTripleName, MachOMCPU,
                                         FeaturesStr));
  CHECK_THUMB_TARGET_INFO_CREATION(ThumbSTI);
  ThumbCtx.reset(new MCContext(Triple(ThumbTripleName), ThumbAsmInfo.get(),
                               ThumbMRI.get(), ThumbSTI.get()));
  ThumbDisAsm.reset(ThumbTarget->createMCDisassembler(*ThumbSTI, *ThumbCtx));
  CHECK_THUMB_TARGET_INFO_CREATION(ThumbDisAsm);
  MCContext *PtrThumbCtx = ThumbCtx.get();
  ThumbRelInfo.reset(
      ThumbTarget->createMCRelocationInfo(ThumbTripleName, *PtrThumbCtx));
  if (ThumbRelInfo) {
    ThumbSymbolizer.reset(ThumbTarget->createMCSymbolizer(
        ThumbTripleName, SymbolizerGetOpInfo, SymbolizerSymbolLookUp,
        &ThumbSymbolizerInfo, PtrThumbCtx, std::move(ThumbRelInfo)));
    ThumbDisAsm->setSymbolizer(std::move(ThumbSymbolizer));
  }
  int ThumbAsmPrinterVariant = ThumbAsmInfo->getAssemblerDialect();
  ThumbIP.reset(ThumbTarget->createMCInstPrinter(
      Triple(ThumbTripleName), ThumbAsmPrinterVariant, *ThumbAsmInfo,
      *ThumbInstrInfo, *ThumbMRI));
  CHECK_THUMB_TARGET_INFO_CREATION(ThumbIP);
  // Set the display preference for hex vs. decimal immediates.
  ThumbIP->setPrintImmHex(PrintImmHex);
}

7303#undef CHECK_TARGET_INFO_CREATION
7304#undef CHECK_THUMB_TARGET_INFO_CREATION

MachO::mach_header Header = MachOOF->getHeader();

// FIXME: Using the -cfg command line option, this code used to be able to
// annotate relocations with the referenced symbol's name, and if this was
// inside a __[cf]string section, the data it points to. This is now replaced
// by the upcoming MCSymbolizer, which needs the appropriate setup done above.
std::vector<SectionRef> Sections;
std::vector<SymbolRef> Symbols;
SmallVector<uint64_t, 8> FoundFns;
uint64_t BaseSegmentAddress = 0;

getSectionsAndSymbols(MachOOF, Sections, Symbols, FoundFns,
                      BaseSegmentAddress);

// Sort the symbols by address, just in case they didn't come in that way.
llvm::stable_sort(Symbols, SymbolSorter());

// Build a data in code table that is sorted on by the address of each entry.
uint64_t BaseAddress = 0;
if (Header.filetype == MachO::MH_OBJECT)
  BaseAddress = Sections[0].getAddress();
else
  BaseAddress = BaseSegmentAddress;
DiceTable Dices;
for (dice_iterator DI = MachOOF->begin_dices(), DE = MachOOF->end_dices();
     DI != DE; ++DI) {
  uint32_t Offset;
  DI->getOffset(Offset);
  Dices.push_back(std::make_pair(BaseAddress + Offset, *DI));
}
array_pod_sort(Dices.begin(), Dices.end());

// Try to find debug info and set up the DIContext for it.
std::unique_ptr<DIContext> diContext;
std::unique_ptr<Binary> DSYMBinary;
std::unique_ptr<MemoryBuffer> DSYMBuf;
if (UseDbg) {
  ObjectFile *DbgObj = MachOOF;

  // A separate DSym file path was specified, parse it as a macho file,
  // get the sections and supply it to the section name parsing machinery.
  if (!DSYMFile.empty()) {
    std::string DSYMPath(DSYMFile);

    // If DSYMPath is a .dSYM directory, append the Mach-O file.
    if (llvm::sys::fs::is_directory(DSYMPath) &&
        llvm::sys::path::extension(DSYMPath) == ".dSYM") {
      SmallString<128> ShortName(llvm::sys::path::filename(DSYMPath));
      llvm::sys::path::replace_extension(ShortName, "");
      SmallString<1024> FullPath(DSYMPath);
      llvm::sys::path::append(FullPath, "Contents", "Resources", "DWARF",
                              ShortName);
      DSYMPath = std::string(FullPath.str());
    }

    // Load the file.
    ErrorOr<std::unique_ptr<MemoryBuffer>> BufOrErr =
        MemoryBuffer::getFileOrSTDIN(DSYMPath);
    if (std::error_code EC = BufOrErr.getError()) {
      reportError(errorCodeToError(EC), DSYMPath);
      return;
    }

    // We need to keep the file alive, because we're replacing DbgObj with it.
    DSYMBuf = std::move(BufOrErr.get());

    Expected<std::unique_ptr<Binary>> BinaryOrErr =
    createBinary(DSYMBuf.get()->getMemBufferRef());
    if (!BinaryOrErr) {
      reportError(BinaryOrErr.takeError(), DSYMPath);
      return;
    }

    // We need to keep the Binary alive with the buffer
    DSYMBinary = std::move(BinaryOrErr.get());
    if (ObjectFile *O = dyn_cast<ObjectFile>(DSYMBinary.get())) {
      // this is a Mach-O object file, use it
      if (MachOObjectFile *MachDSYM = dyn_cast<MachOObjectFile>(&*O)) {
        DbgObj = MachDSYM;
      }
      else {
        WithColor::error(errs(), "llvm-objdump")
          << DSYMPath << " is not a Mach-O file type.\n";
        return;
      }
    }
    else if (auto UB = dyn_cast<MachOUniversalBinary>(DSYMBinary.get())){
      // this is a Universal Binary, find a Mach-O for this architecture
      uint32_t CPUType, CPUSubType;
      const char *ArchFlag;
      if (MachOOF->is64Bit()) {
        const MachO::mach_header_64 H_64 = MachOOF->getHeader64();
        CPUType = H_64.cputype;
        CPUSubType = H_64.cpusubtype;
      } else {
        const MachO::mach_header H = MachOOF->getHeader();
        CPUType = H.cputype;
        CPUSubType = H.cpusubtype;
      }
      Triple T = MachOObjectFile::getArchTriple(CPUType, CPUSubType, nullptr,
                                                &ArchFlag);
      Expected<std::unique_ptr<MachOObjectFile>> MachDSYM =
          UB->getMachOObjectForArch(ArchFlag);
      if (!MachDSYM) {
        reportError(MachDSYM.takeError(), DSYMPath);
        return;
      }

      // We need to keep the Binary alive with the buffer
      DbgObj = &*MachDSYM.get();
      DSYMBinary = std::move(*MachDSYM);
    }
    else {
      WithColor::error(errs(), "llvm-objdump")
        << DSYMPath << " is not a Mach-O or Universal file type.\n";
      return;
    }
  }

  // Setup the DIContext
  diContext = DWARFContext::create(*DbgObj);
}

if (FilterSections.empty())
  outs() << "(" << DisSegName << "," << DisSectName << ") section\n";

for (unsigned SectIdx = 0; SectIdx != Sections.size(); SectIdx++) {
  Expected<StringRef> SecNameOrErr = Sections[SectIdx].getName();
  if (!SecNameOrErr) {
    consumeError(SecNameOrErr.takeError());
    continue;
  }
  if (*SecNameOrErr != DisSectName)
    continue;

  DataRefImpl DR = Sections[SectIdx].getRawDataRefImpl();

  StringRef SegmentName = MachOOF->getSectionFinalSegmentName(DR);
  if (SegmentName != DisSegName)
    continue;

  StringRef BytesStr =
      unwrapOrError(Sections[SectIdx].getContents(), Filename);
  ArrayRef<uint8_t> Bytes = arrayRefFromStringRef(BytesStr);
  uint64_t SectAddress = Sections[SectIdx].getAddress();

  bool symbolTableWorked = false;

  // Create a map of symbol addresses to symbol names for use by
  // the SymbolizerSymbolLookUp() routine.
  SymbolAddressMap AddrMap;
  bool DisSymNameFound = false;
  for (const SymbolRef &Symbol : MachOOF->symbols()) {
    SymbolRef::Type ST =
        unwrapOrError(Symbol.getType(), MachOOF->getFileName());
    if (ST == SymbolRef::ST_Function || ST == SymbolRef::ST_Data ||
        ST == SymbolRef::ST_Other) {
      uint64_t Address = cantFail(Symbol.getValue());
      StringRef SymName =
          unwrapOrError(Symbol.getName(), MachOOF->getFileName());
      AddrMap[Address] = SymName;
      if (!DisSymName.empty() && DisSymName == SymName)
        DisSymNameFound = true;
    }
  }
  if (!DisSymName.empty() && !DisSymNameFound) {
    outs() << "Can't find -dis-symname: " << DisSymName << "\n";
    return;
  }
  // Set up the block of info used by the Symbolizer call backs.
  SymbolizerInfo.verbose = SymbolicOperands;
  SymbolizerInfo.O = MachOOF;
  SymbolizerInfo.S = Sections[SectIdx];
  SymbolizerInfo.AddrMap = &AddrMap;
  SymbolizerInfo.Sections = &Sections;
  // Same for the ThumbSymbolizer
  ThumbSymbolizerInfo.verbose = SymbolicOperands;
  ThumbSymbolizerInfo.O = MachOOF;
  ThumbSymbolizerInfo.S = Sections[SectIdx];
  ThumbSymbolizerInfo.AddrMap = &AddrMap;
  ThumbSymbolizerInfo.Sections = &Sections;

  unsigned int Arch = MachOOF->getArch();

  // Skip all symbols if this is a stubs file.
  if (Bytes.empty())
    return;

  // If the section has symbols but no symbol at the start of the section
  // these are used to make sure the bytes before the first symbol are
  // disassembled.
  bool FirstSymbol = true;
  bool FirstSymbolAtSectionStart = true;

  // Disassemble symbol by symbol.
  for (unsigned SymIdx = 0; SymIdx != Symbols.size(); SymIdx++) {
    StringRef SymName =
        unwrapOrError(Symbols[SymIdx].getName(), MachOOF->getFileName());
    SymbolRef::Type ST =
        unwrapOrError(Symbols[SymIdx].getType(), MachOOF->getFileName());
    if (ST != SymbolRef::ST_Function && ST != SymbolRef::ST_Data)
      continue;

    // Make sure the symbol is defined in this section.
    bool containsSym = Sections[SectIdx].containsSymbol(Symbols[SymIdx]);
    if (!containsSym) {
      if (!DisSymName.empty() && DisSymName == SymName) {
        outs() << "-dis-symname: " << DisSymName << " not in the section\n";
        return;
      }
      continue;
    }
    // The __mh_execute_header is special and we need to deal with that fact
    // this symbol is before the start of the (__TEXT,__text) section and at the
    // address of the start of the __TEXT segment.  This is because this symbol
    // is an N_SECT symbol in the (__TEXT,__text) but its address is before the
    // start of the section in a standard MH_EXECUTE filetype.
    if (!DisSymName.empty() && DisSymName == "__mh_execute_header") {
      outs() << "-dis-symname: __mh_execute_header not in any section\n";
      return;
    }
    // When this code is trying to disassemble a symbol at a time and in the
    // case there is only the __mh_execute_header symbol left as in a stripped
    // executable, we need to deal with this by ignoring this symbol so the
    // whole section is disassembled and this symbol is then not displayed.
    if (SymName == "__mh_execute_header" || SymName == "__mh_dylib_header" ||
        SymName == "__mh_bundle_header" || SymName == "__mh_object_header" ||
        SymName == "__mh_preload_header" || SymName == "__mh_dylinker_header")
      continue;

    // If we are only disassembling one symbol see if this is that symbol.
    if (!DisSymName.empty() && DisSymName != SymName)
      continue;

    // Start at the address of the symbol relative to the section's address.
    uint64_t SectSize = Sections[SectIdx].getSize();
    uint64_t Start = cantFail(Symbols[SymIdx].getValue());
    uint64_t SectionAddress = Sections[SectIdx].getAddress();
    Start -= SectionAddress;

    if (Start > SectSize) {
      outs() << "section data ends, " << SymName
             << " lies outside valid range\n";
      return;
    }

    // Stop disassembling either at the beginning of the next symbol or at
    // the end of the section.
    bool containsNextSym = false;
    uint64_t NextSym = 0;
    uint64_t NextSymIdx = SymIdx + 1;
    while (Symbols.size() > NextSymIdx) {
      SymbolRef::Type NextSymType = unwrapOrError(
          Symbols[NextSymIdx].getType(), MachOOF->getFileName());
      if (NextSymType == SymbolRef::ST_Function) {
        containsNextSym =
            Sections[SectIdx].containsSymbol(Symbols[NextSymIdx]);
        NextSym = cantFail(Symbols[NextSymIdx].getValue());
        NextSym -= SectionAddress;
        break;
      }
      ++NextSymIdx;
    }

    uint64_t End = containsNextSym ? std::min(NextSym, SectSize) : SectSize;
    uint64_t Size;

    symbolTableWorked = true;

    DataRefImpl Symb = Symbols[SymIdx].getRawDataRefImpl();
    uint32_t SymbolFlags = cantFail(MachOOF->getSymbolFlags(Symb));
    bool IsThumb = SymbolFlags & SymbolRef::SF_Thumb;

    // We only need the dedicated Thumb target if there's a real choice
    // (i.e. we're not targeting M-class) and the function is Thumb.
    bool UseThumbTarget = IsThumb && ThumbTarget;

    // If we are not specifying a symbol to start disassembly with and this
    // is the first symbol in the section but not at the start of the section
    // then move the disassembly index to the start of the section and
    // don't print the symbol name just yet.  This is so the bytes before the
    // first symbol are disassembled.
    uint64_t SymbolStart = Start;
    if (DisSymName.empty() && FirstSymbol && Start != 0) {
      FirstSymbolAtSectionStart = false;
      Start = 0;
    }
    else
      outs() << SymName << ":\n";

    DILineInfo lastLine;
    for (uint64_t Index = Start; Index < End; Index += Size) {
      MCInst Inst;

      // If this is the first symbol in the section and it was not at the
      // start of the section, see if we are at its Index now and if so print
      // the symbol name.
      if (FirstSymbol && !FirstSymbolAtSectionStart && Index == SymbolStart)
        outs() << SymName << ":\n";

      uint64_t PC = SectAddress + Index;
      if (LeadingAddr) {
        if (FullLeadingAddr) {
          if (MachOOF->is64Bit())
            outs() << format("%016" PRIx64"llx", PC);
          else
            outs() << format("%08" PRIx64"llx", PC);
        } else {
          outs() << format("%8" PRIx64"llx" ":", PC);
        }
      }
      if (ShowRawInsn || Arch == Triple::arm)
        outs() << "\t";

      if (DumpAndSkipDataInCode(PC, Bytes.data() + Index, Dices, Size))
        continue;

      SmallVector<char, 64> AnnotationsBytes;
      raw_svector_ostream Annotations(AnnotationsBytes);

      bool gotInst;
      if (UseThumbTarget)
        gotInst = ThumbDisAsm->getInstruction(Inst, Size, Bytes.slice(Index),
                                              PC, Annotations);
      else
        gotInst = DisAsm->getInstruction(Inst, Size, Bytes.slice(Index), PC,
                                         Annotations);
      if (gotInst) {
        if (ShowRawInsn || Arch == Triple::arm) {
          dumpBytes(makeArrayRef(Bytes.data() + Index, Size), outs());
        }
        formatted_raw_ostream FormattedOS(outs());
        StringRef AnnotationsStr = Annotations.str();
        if (UseThumbTarget)
          ThumbIP->printInst(&Inst, PC, AnnotationsStr, *ThumbSTI,
                             FormattedOS);
        else
          IP->printInst(&Inst, PC, AnnotationsStr, *STI, FormattedOS);
        emitComments(CommentStream, CommentsToEmit, FormattedOS, *AsmInfo);

        // Print debug info.
        if (diContext) {
          DILineInfo dli = diContext->getLineInfoForAddress({PC, SectIdx});
          // Print valid line info if it changed.
          if (dli != lastLine && dli.Line != 0)
            outs() << "\t## " << dli.FileName << ':' << dli.Line << ':'
                   << dli.Column;
          lastLine = dli;
        }
        outs() << "\n";
      } else {
        if (MachOOF->getArchTriple().isX86()) {
          outs() << format("\t.byte 0x%02x #bad opcode\n",
                           *(Bytes.data() + Index) & 0xff);
          Size = 1; // skip exactly one illegible byte and move on.
        } else if (Arch == Triple::aarch64 ||
                   (Arch == Triple::arm && !IsThumb)) {
          uint32_t opcode = (*(Bytes.data() + Index) & 0xff) |
                            (*(Bytes.data() + Index + 1) & 0xff) << 8 |
                            (*(Bytes.data() + Index + 2) & 0xff) << 16 |
                            (*(Bytes.data() + Index + 3) & 0xff) << 24;
          outs() << format("\t.long\t0x%08x\n", opcode);
          Size = 4;
        } else if (Arch == Triple::arm) {
          assert(IsThumb && "ARM mode should have been dealt with above")((void)0);
          uint32_t opcode = (*(Bytes.data() + Index) & 0xff) |
                            (*(Bytes.data() + Index + 1) & 0xff) << 8;
          outs() << format("\t.short\t0x%04x\n", opcode);
          Size = 2;
        } else{
          WithColor::warning(errs(), "llvm-objdump")
              << "invalid instruction encoding\n";
          if (Size == 0)
            Size = 1; // skip illegible bytes
        }
      }
    }
    // Now that we are done disassembled the first symbol set the bool that
    // were doing this to false.
    FirstSymbol = false;
  }
  if (!symbolTableWorked) {
    // Reading the symbol table didn't work, disassemble the whole section.
    uint64_t SectAddress = Sections[SectIdx].getAddress();
    uint64_t SectSize = Sections[SectIdx].getSize();
    uint64_t InstSize;
    for (uint64_t Index = 0; Index < SectSize; Index += InstSize) {
      MCInst Inst;

      uint64_t PC = SectAddress + Index;

      if (DumpAndSkipDataInCode(PC, Bytes.data() + Index, Dices, InstSize))
        continue;

      SmallVector<char, 64> AnnotationsBytes;
      raw_svector_ostream Annotations(AnnotationsBytes);
      if (DisAsm->getInstruction(Inst, InstSize, Bytes.slice(Index), PC,
                                 Annotations)) {
        if (LeadingAddr) {
          if (FullLeadingAddr) {
            if (MachOOF->is64Bit())
              outs() << format("%016" PRIx64"llx", PC);
            else
              outs() << format("%08" PRIx64"llx", PC);
          } else {
            outs() << format("%8" PRIx64"llx" ":", PC);
          }
        }
        if (ShowRawInsn || Arch == Triple::arm) {
          outs() << "\t";
          dumpBytes(makeArrayRef(Bytes.data() + Index, InstSize), outs());
        }
        StringRef AnnotationsStr = Annotations.str();
        IP->printInst(&Inst, PC, AnnotationsStr, *STI, outs());
        outs() << "\n";
      } else {
        if (MachOOF->getArchTriple().isX86()) {
          outs() << format("\t.byte 0x%02x #bad opcode\n",
                           *(Bytes.data() + Index) & 0xff);
          InstSize = 1; // skip exactly one illegible byte and move on.
        } else {
          WithColor::warning(errs(), "llvm-objdump")
              << "invalid instruction encoding\n";
          if (InstSize == 0)
            InstSize = 1; // skip illegible bytes
        }
      }
    }
  }
  // The TripleName's need to be reset if we are called again for a different
  // architecture.
  TripleName = "";
  ThumbTripleName = "";

  if (SymbolizerInfo.demangled_name != nullptr)
    free(SymbolizerInfo.demangled_name);
  if (ThumbSymbolizerInfo.demangled_name != nullptr)
    free(ThumbSymbolizerInfo.demangled_name);
}
7745}

7747//===----------------------------------------------------------------------===//
7748// __compact_unwind section dumping
7749//===----------------------------------------------------------------------===//

7751namespace {

7753template <typename T>
7754static uint64_t read(StringRef Contents, ptrdiff_t Offset) {
using llvm::support::little;
using llvm::support::unaligned;

if (Offset + sizeof(T) > Contents.size()) {
  outs() << "warning: attempt to read past end of buffer\n";
  return T();
}

uint64_t Val =
    support::endian::read<T, little, unaligned>(Contents.data() + Offset);
return Val;
7766}

7768template <typename T>
7769static uint64_t readNext(StringRef Contents, ptrdiff_t &Offset) {
T Val = read<T>(Contents, Offset);
Offset += sizeof(T);
return Val;
7773}

7775struct CompactUnwindEntry {
uint32_t OffsetInSection;

uint64_t FunctionAddr;
uint32_t Length;
uint32_t CompactEncoding;
uint64_t PersonalityAddr;
uint64_t LSDAAddr;

RelocationRef FunctionReloc;
RelocationRef PersonalityReloc;
RelocationRef LSDAReloc;

CompactUnwindEntry(StringRef Contents, unsigned Offset, bool Is64)
    : OffsetInSection(Offset) {
  if (Is64)
    read<uint64_t>(Contents, Offset);
  else
    read<uint32_t>(Contents, Offset);
}

7796private:
template <typename UIntPtr> void read(StringRef Contents, ptrdiff_t Offset) {
  FunctionAddr = readNext<UIntPtr>(Contents, Offset);
  Length = readNext<uint32_t>(Contents, Offset);
  CompactEncoding = readNext<uint32_t>(Contents, Offset);
  PersonalityAddr = readNext<UIntPtr>(Contents, Offset);
  LSDAAddr = readNext<UIntPtr>(Contents, Offset);
}
7804};
7805}

7807/// Given a relocation from __compact_unwind, consisting of the RelocationRef
7808/// and data being relocated, determine the best base Name and Addend to use for
7809/// display purposes.
7810///
7811/// 1. An Extern relocation will directly reference a symbol (and the data is
7812///    then already an addend), so use that.
7813/// 2. Otherwise the data is an offset in the object file's layout; try to find
7814//     a symbol before it in the same section, and use the offset from there.
7815/// 3. Finally, if all that fails, fall back to an offset from the start of the
7816///    referenced section.
7817static void findUnwindRelocNameAddend(const MachOObjectFile *Obj,
                                    std::map<uint64_t, SymbolRef> &Symbols,
                                    const RelocationRef &Reloc, uint64_t Addr,
                                    StringRef &Name, uint64_t &Addend) {
if (Reloc.getSymbol() != Obj->symbol_end()) {
  Name = unwrapOrError(Reloc.getSymbol()->getName(), Obj->getFileName());
  Addend = Addr;
  return;
}

auto RE = Obj->getRelocation(Reloc.getRawDataRefImpl());
SectionRef RelocSection = Obj->getAnyRelocationSection(RE);

uint64_t SectionAddr = RelocSection.getAddress();

auto Sym = Symbols.upper_bound(Addr);
if (Sym == Symbols.begin()) {
  // The first symbol in the object is after this reference, the best we can
  // do is section-relative notation.
  if (Expected<StringRef> NameOrErr = RelocSection.getName())
    Name = *NameOrErr;
  else
    consumeError(NameOrErr.takeError());

  Addend = Addr - SectionAddr;
  return;
}

// Go back one so that SymbolAddress <= Addr.
--Sym;

section_iterator SymSection =
    unwrapOrError(Sym->second.getSection(), Obj->getFileName());
if (RelocSection == *SymSection) {
  // There's a valid symbol in the same section before this reference.
  Name = unwrapOrError(Sym->second.getName(), Obj->getFileName());
  Addend = Addr - Sym->first;
  return;
}

// There is a symbol before this reference, but it's in a different
// section. Probably not helpful to mention it, so use the section name.
if (Expected<StringRef> NameOrErr = RelocSection.getName())
  Name = *NameOrErr;
else
  consumeError(NameOrErr.takeError());

Addend = Addr - SectionAddr;
7865}

7867static void printUnwindRelocDest(const MachOObjectFile *Obj,
                               std::map<uint64_t, SymbolRef> &Symbols,
                               const RelocationRef &Reloc, uint64_t Addr) {
StringRef Name;
uint64_t Addend;

if (!Reloc.getObject())
  return;

findUnwindRelocNameAddend(Obj, Symbols, Reloc, Addr, Name, Addend);

outs() << Name;
if (Addend)
  outs() << " + " << format("0x%" PRIx64"llx", Addend);
7881}

7883static void
7884printMachOCompactUnwindSection(const MachOObjectFile *Obj,
                             std::map<uint64_t, SymbolRef> &Symbols,
                             const SectionRef &CompactUnwind) {

if (!Obj->isLittleEndian()) {
  outs() << "Skipping big-endian __compact_unwind section\n";
  return;
}

bool Is64 = Obj->is64Bit();
uint32_t PointerSize = Is64 ? sizeof(uint64_t) : sizeof(uint32_t);
uint32_t EntrySize = 3 * PointerSize + 2 * sizeof(uint32_t);

StringRef Contents =
    unwrapOrError(CompactUnwind.getContents(), Obj->getFileName());
SmallVector<CompactUnwindEntry, 4> CompactUnwinds;

// First populate the initial raw offsets, encodings and so on from the entry.
for (unsigned Offset = 0; Offset < Contents.size(); Offset += EntrySize) {
  CompactUnwindEntry Entry(Contents, Offset, Is64);
  CompactUnwinds.push_back(Entry);
}

// Next we need to look at the relocations to find out what objects are
// actually being referred to.
for (const RelocationRef &Reloc : CompactUnwind.relocations()) {
  uint64_t RelocAddress = Reloc.getOffset();

  uint32_t EntryIdx = RelocAddress / EntrySize;
  uint32_t OffsetInEntry = RelocAddress - EntryIdx * EntrySize;
  CompactUnwindEntry &Entry = CompactUnwinds[EntryIdx];

  if (OffsetInEntry == 0)
    Entry.FunctionReloc = Reloc;
  else if (OffsetInEntry == PointerSize + 2 * sizeof(uint32_t))
    Entry.PersonalityReloc = Reloc;
  else if (OffsetInEntry == 2 * PointerSize + 2 * sizeof(uint32_t))
    Entry.LSDAReloc = Reloc;
  else {
    outs() << "Invalid relocation in __compact_unwind section\n";
    return;
  }
}

// Finally, we're ready to print the data we've gathered.
outs() << "Contents of __compact_unwind section:\n";
for (auto &Entry : CompactUnwinds) {
  outs() << "  Entry at offset "
         << format("0x%" PRIx32"x", Entry.OffsetInSection) << ":\n";

  // 1. Start of the region this entry applies to.
  outs() << "    start:                " << format("0x%" PRIx64"llx",
                                                   Entry.FunctionAddr) << ' ';
  printUnwindRelocDest(Obj, Symbols, Entry.FunctionReloc, Entry.FunctionAddr);
  outs() << '\n';

  // 2. Length of the region this entry applies to.
  outs() << "    length:               " << format("0x%" PRIx32"x", Entry.Length)
         << '\n';
  // 3. The 32-bit compact encoding.
  outs() << "    compact encoding:     "
         << format("0x%08" PRIx32"x", Entry.CompactEncoding) << '\n';

  // 4. The personality function, if present.
  if (Entry.PersonalityReloc.getObject()) {
    outs() << "    personality function: "
           << format("0x%" PRIx64"llx", Entry.PersonalityAddr) << ' ';
    printUnwindRelocDest(Obj, Symbols, Entry.PersonalityReloc,
                         Entry.PersonalityAddr);
    outs() << '\n';
  }

  // 5. This entry's language-specific data area.
  if (Entry.LSDAReloc.getObject()) {
    outs() << "    LSDA:                 " << format("0x%" PRIx64"llx",
                                                     Entry.LSDAAddr) << ' ';
    printUnwindRelocDest(Obj, Symbols, Entry.LSDAReloc, Entry.LSDAAddr);
    outs() << '\n';
  }
}
7964}

7966//===----------------------------------------------------------------------===//
7967// __unwind_info section dumping
7968//===----------------------------------------------------------------------===//

7970static void printRegularSecondLevelUnwindPage(StringRef PageData) {
ptrdiff_t Pos = 0;
uint32_t Kind = readNext<uint32_t>(PageData, Pos);
(void)Kind;
assert(Kind == 2 && "kind for a regular 2nd level index should be 2")((void)0);

uint16_t EntriesStart = readNext<uint16_t>(PageData, Pos);
uint16_t NumEntries = readNext<uint16_t>(PageData, Pos);

Pos = EntriesStart;
for (unsigned i = 0; i < NumEntries; ++i) {
  uint32_t FunctionOffset = readNext<uint32_t>(PageData, Pos);
  uint32_t Encoding = readNext<uint32_t>(PageData, Pos);

  outs() << "      [" << i << "]: "
         << "function offset=" << format("0x%08" PRIx32"x", FunctionOffset)
         << ", "
         << "encoding=" << format("0x%08" PRIx32"x", Encoding) << '\n';
}
7989}

7991static void printCompressedSecondLevelUnwindPage(
  StringRef PageData, uint32_t FunctionBase,
  const SmallVectorImpl<uint32_t> &CommonEncodings) {
ptrdiff_t Pos = 0;
uint32_t Kind = readNext<uint32_t>(PageData, Pos);
(void)Kind;
assert(Kind == 3 && "kind for a compressed 2nd level index should be 3")((void)0);

uint32_t NumCommonEncodings = CommonEncodings.size();
uint16_t EntriesStart = readNext<uint16_t>(PageData, Pos);
uint16_t NumEntries = readNext<uint16_t>(PageData, Pos);

uint16_t PageEncodingsStart = readNext<uint16_t>(PageData, Pos);
uint16_t NumPageEncodings = readNext<uint16_t>(PageData, Pos);
SmallVector<uint32_t, 64> PageEncodings;
if (NumPageEncodings) {
  outs() << "      Page encodings: (count = " << NumPageEncodings << ")\n";
  Pos = PageEncodingsStart;
  for (unsigned i = 0; i < NumPageEncodings; ++i) {
    uint32_t Encoding = readNext<uint32_t>(PageData, Pos);
    PageEncodings.push_back(Encoding);
    outs() << "        encoding[" << (i + NumCommonEncodings)
           << "]: " << format("0x%08" PRIx32"x", Encoding) << '\n';
  }
}

Pos = EntriesStart;
for (unsigned i = 0; i < NumEntries; ++i) {
  uint32_t Entry = readNext<uint32_t>(PageData, Pos);
  uint32_t FunctionOffset = FunctionBase + (Entry & 0xffffff);
  uint32_t EncodingIdx = Entry >> 24;

  uint32_t Encoding;
  if (EncodingIdx < NumCommonEncodings)
    Encoding = CommonEncodings[EncodingIdx];
  else
    Encoding = PageEncodings[EncodingIdx - NumCommonEncodings];

  outs() << "      [" << i << "]: "
         << "function offset=" << format("0x%08" PRIx32"x", FunctionOffset)
         << ", "
         << "encoding[" << EncodingIdx
         << "]=" << format("0x%08" PRIx32"x", Encoding) << '\n';
}
8035}

8037static void printMachOUnwindInfoSection(const MachOObjectFile *Obj,
                                      std::map<uint64_t, SymbolRef> &Symbols,
                                      const SectionRef &UnwindInfo) {

if (!Obj->isLittleEndian()) {
  outs() << "Skipping big-endian __unwind_info section\n";
  return;
}

outs() << "Contents of __unwind_info section:\n";

StringRef Contents =
    unwrapOrError(UnwindInfo.getContents(), Obj->getFileName());
ptrdiff_t Pos = 0;

//===----------------------------------
// Section header
//===----------------------------------

uint32_t Version = readNext<uint32_t>(Contents, Pos);
outs() << "  Version:                                   "
       << format("0x%" PRIx32"x", Version) << '\n';
if (Version != 1) {
  outs() << "    Skipping section with unknown version\n";
  return;
}

uint32_t CommonEncodingsStart = readNext<uint32_t>(Contents, Pos);
outs() << "  Common encodings array section offset:     "
       << format("0x%" PRIx32"x", CommonEncodingsStart) << '\n';
uint32_t NumCommonEncodings = readNext<uint32_t>(Contents, Pos);
outs() << "  Number of common encodings in array:       "
       << format("0x%" PRIx32"x", NumCommonEncodings) << '\n';

uint32_t PersonalitiesStart = readNext<uint32_t>(Contents, Pos);
outs() << "  Personality function array section offset: "
       << format("0x%" PRIx32"x", PersonalitiesStart) << '\n';
uint32_t NumPersonalities = readNext<uint32_t>(Contents, Pos);
outs() << "  Number of personality functions in array:  "
       << format("0x%" PRIx32"x", NumPersonalities) << '\n';

uint32_t IndicesStart = readNext<uint32_t>(Contents, Pos);
outs() << "  Index array section offset:                "
       << format("0x%" PRIx32"x", IndicesStart) << '\n';
uint32_t NumIndices = readNext<uint32_t>(Contents, Pos);
outs() << "  Number of indices in array:                "
       << format("0x%" PRIx32"x", NumIndices) << '\n';

//===----------------------------------
// A shared list of common encodings
//===----------------------------------

// These occupy indices in the range [0, N] whenever an encoding is referenced
// from a compressed 2nd level index table. In practice the linker only
// creates ~128 of these, so that indices are available to embed encodings in
// the 2nd level index.

SmallVector<uint32_t, 64> CommonEncodings;
outs() << "  Common encodings: (count = " << NumCommonEncodings << ")\n";
Pos = CommonEncodingsStart;
for (unsigned i = 0; i < NumCommonEncodings; ++i) {
  uint32_t Encoding = readNext<uint32_t>(Contents, Pos);
  CommonEncodings.push_back(Encoding);

  outs() << "    encoding[" << i << "]: " << format("0x%08" PRIx32"x", Encoding)
         << '\n';
}

//===----------------------------------
// Personality functions used in this executable
//===----------------------------------

// There should be only a handful of these (one per source language,
// roughly). Particularly since they only get 2 bits in the compact encoding.

outs() << "  Personality functions: (count = " << NumPersonalities << ")\n";
Pos = PersonalitiesStart;
for (unsigned i = 0; i < NumPersonalities; ++i) {
  uint32_t PersonalityFn = readNext<uint32_t>(Contents, Pos);
  outs() << "    personality[" << i + 1
         << "]: " << format("0x%08" PRIx32"x", PersonalityFn) << '\n';
}

//===----------------------------------
// The level 1 index entries
//===----------------------------------

// These specify an approximate place to start searching for the more detailed
// information, sorted by PC.

struct IndexEntry {
  uint32_t FunctionOffset;
  uint32_t SecondLevelPageStart;
  uint32_t LSDAStart;
};

SmallVector<IndexEntry, 4> IndexEntries;

outs() << "  Top level indices: (count = " << NumIndices << ")\n";
Pos = IndicesStart;
for (unsigned i = 0; i < NumIndices; ++i) {
  IndexEntry Entry;

  Entry.FunctionOffset = readNext<uint32_t>(Contents, Pos);
  Entry.SecondLevelPageStart = readNext<uint32_t>(Contents, Pos);
  Entry.LSDAStart = readNext<uint32_t>(Contents, Pos);
  IndexEntries.push_back(Entry);

  outs() << "    [" << i << "]: "
         << "function offset=" << format("0x%08" PRIx32"x", Entry.FunctionOffset)
         << ", "
         << "2nd level page offset="
         << format("0x%08" PRIx32"x", Entry.SecondLevelPageStart) << ", "
         << "LSDA offset=" << format("0x%08" PRIx32"x", Entry.LSDAStart) << '\n';
}

//===----------------------------------
// Next come the LSDA tables
//===----------------------------------

// The LSDA layout is rather implicit: it's a contiguous array of entries from
// the first top-level index's LSDAOffset to the last (sentinel).

outs() << "  LSDA descriptors:\n";
Pos = IndexEntries[0].LSDAStart;
const uint32_t LSDASize = 2 * sizeof(uint32_t);
int NumLSDAs =
    (IndexEntries.back().LSDAStart - IndexEntries[0].LSDAStart) / LSDASize;

for (int i = 0; i < NumLSDAs; ++i) {
  uint32_t FunctionOffset = readNext<uint32_t>(Contents, Pos);
  uint32_t LSDAOffset = readNext<uint32_t>(Contents, Pos);
  outs() << "    [" << i << "]: "
         << "function offset=" << format("0x%08" PRIx32"x", FunctionOffset)
         << ", "
         << "LSDA offset=" << format("0x%08" PRIx32"x", LSDAOffset) << '\n';
}

//===----------------------------------
// Finally, the 2nd level indices
//===----------------------------------

// Generally these are 4K in size, and have 2 possible forms:
//   + Regular stores up to 511 entries with disparate encodings
//   + Compressed stores up to 1021 entries if few enough compact encoding
//     values are used.
outs() << "  Second level indices:\n";
for (unsigned i = 0; i < IndexEntries.size() - 1; ++i) {
  // The final sentinel top-level index has no associated 2nd level page
  if (IndexEntries[i].SecondLevelPageStart == 0)
    break;

  outs() << "    Second level index[" << i << "]: "
         << "offset in section="
         << format("0x%08" PRIx32"x", IndexEntries[i].SecondLevelPageStart)
         << ", "
         << "base function offset="
         << format("0x%08" PRIx32"x", IndexEntries[i].FunctionOffset) << '\n';

  Pos = IndexEntries[i].SecondLevelPageStart;
  if (Pos + sizeof(uint32_t) > Contents.size()) {
    outs() << "warning: invalid offset for second level page: " << Pos << '\n';
    continue;
  }

  uint32_t Kind =
      *reinterpret_cast<const support::ulittle32_t *>(Contents.data() + Pos);
  if (Kind == 2)
    printRegularSecondLevelUnwindPage(Contents.substr(Pos, 4096));
  else if (Kind == 3)
    printCompressedSecondLevelUnwindPage(Contents.substr(Pos, 4096),
                                         IndexEntries[i].FunctionOffset,
                                         CommonEncodings);
  else
    outs() << "    Skipping 2nd level page with unknown kind " << Kind
           << '\n';
}
8214}

8216void objdump::printMachOUnwindInfo(const MachOObjectFile *Obj) {
std::map<uint64_t, SymbolRef> Symbols;
for (const SymbolRef &SymRef : Obj->symbols()) {
  // Discard any undefined or absolute symbols. They're not going to take part
  // in the convenience lookup for unwind info and just take up resources.
  auto SectOrErr = SymRef.getSection();
  if (!SectOrErr) {
    // TODO: Actually report errors helpfully.
    consumeError(SectOrErr.takeError());
    continue;
  }
  section_iterator Section = *SectOrErr;
  if (Section == Obj->section_end())
    continue;

  uint64_t Addr = cantFail(SymRef.getValue());
  Symbols.insert(std::make_pair(Addr, SymRef));
}

for (const SectionRef &Section : Obj->sections()) {
  StringRef SectName;
  if (Expected<StringRef> NameOrErr = Section.getName())
    SectName = *NameOrErr;
  else
    consumeError(NameOrErr.takeError());

  if (SectName == "__compact_unwind")
    printMachOCompactUnwindSection(Obj, Symbols, Section);
  else if (SectName == "__unwind_info")
    printMachOUnwindInfoSection(Obj, Symbols, Section);
}
8247}

8249static void PrintMachHeader(uint32_t magic, uint32_t cputype,
                          uint32_t cpusubtype, uint32_t filetype,
                          uint32_t ncmds, uint32_t sizeofcmds, uint32_t flags,
                          bool verbose) {
outs() << "Mach header\n";
outs() << "      magic cputype cpusubtype  caps    filetype ncmds "
          "sizeofcmds      flags\n";
if (verbose) {
  if (magic == MachO::MH_MAGIC)
    outs() << "   MH_MAGIC";
  else if (magic == MachO::MH_MAGIC_64)
    outs() << "MH_MAGIC_64";
  else
    outs() << format(" 0x%08" PRIx32"x", magic);
  switch (cputype) {
  case MachO::CPU_TYPE_I386:
    outs() << "    I386";
    switch (cpusubtype & ~MachO::CPU_SUBTYPE_MASK) {
    case MachO::CPU_SUBTYPE_I386_ALL:
      outs() << "        ALL";
      break;
    default:
      outs() << format(" %10d", cpusubtype & ~MachO::CPU_SUBTYPE_MASK);
      break;
    }
    break;
  case MachO::CPU_TYPE_X86_64:
    outs() << "  X86_64";
    switch (cpusubtype & ~MachO::CPU_SUBTYPE_MASK) {
    case MachO::CPU_SUBTYPE_X86_64_ALL:
      outs() << "        ALL";
      break;
    case MachO::CPU_SUBTYPE_X86_64_H:
      outs() << "    Haswell";
      break;
    default:
      outs() << format(" %10d", cpusubtype & ~MachO::CPU_SUBTYPE_MASK);
      break;
    }
    break;
  case MachO::CPU_TYPE_ARM:
    outs() << "     ARM";
    switch (cpusubtype & ~MachO::CPU_SUBTYPE_MASK) {
    case MachO::CPU_SUBTYPE_ARM_ALL:
      outs() << "        ALL";
      break;
    case MachO::CPU_SUBTYPE_ARM_V4T:
      outs() << "        V4T";
      break;
    case MachO::CPU_SUBTYPE_ARM_V5TEJ:
      outs() << "      V5TEJ";
      break;
    case MachO::CPU_SUBTYPE_ARM_XSCALE:
      outs() << "     XSCALE";
      break;
    case MachO::CPU_SUBTYPE_ARM_V6:
      outs() << "         V6";
      break;
    case MachO::CPU_SUBTYPE_ARM_V6M:
      outs() << "        V6M";
      break;
    case MachO::CPU_SUBTYPE_ARM_V7:
      outs() << "         V7";
      break;
    case MachO::CPU_SUBTYPE_ARM_V7EM:
      outs() << "       V7EM";
      break;
    case MachO::CPU_SUBTYPE_ARM_V7K:
      outs() << "        V7K";
      break;
    case MachO::CPU_SUBTYPE_ARM_V7M:
      outs() << "        V7M";
      break;
    case MachO::CPU_SUBTYPE_ARM_V7S:
      outs() << "        V7S";
      break;
    default:
      outs() << format(" %10d", cpusubtype & ~MachO::CPU_SUBTYPE_MASK);
      break;
    }
    break;
  case MachO::CPU_TYPE_ARM64:
    outs() << "   ARM64";
    switch (cpusubtype & ~MachO::CPU_SUBTYPE_MASK) {
    case MachO::CPU_SUBTYPE_ARM64_ALL:
      outs() << "        ALL";
      break;
    case MachO::CPU_SUBTYPE_ARM64_V8:
      outs() << "         V8";
      break;
    case MachO::CPU_SUBTYPE_ARM64E:
      outs() << "          E";
      break;
    default:
      outs() << format(" %10d", cpusubtype & ~MachO::CPU_SUBTYPE_MASK);
      break;
    }
    break;
  case MachO::CPU_TYPE_ARM64_32:
    outs() << " ARM64_32";
    switch (cpusubtype & ~MachO::CPU_SUBTYPE_MASK) {
    case MachO::CPU_SUBTYPE_ARM64_32_V8:
      outs() << "        V8";
      break;
    default:
      outs() << format(" %10d", cpusubtype & ~MachO::CPU_SUBTYPE_MASK);
      break;
    }
    break;
  case MachO::CPU_TYPE_POWERPC:
    outs() << "     PPC";
    switch (cpusubtype & ~MachO::CPU_SUBTYPE_MASK) {
    case MachO::CPU_SUBTYPE_POWERPC_ALL:
      outs() << "        ALL";
      break;
    default:
      outs() << format(" %10d", cpusubtype & ~MachO::CPU_SUBTYPE_MASK);
      break;
    }
    break;
  case MachO::CPU_TYPE_POWERPC64:
    outs() << "   PPC64";
    switch (cpusubtype & ~MachO::CPU_SUBTYPE_MASK) {
    case MachO::CPU_SUBTYPE_POWERPC_ALL:
      outs() << "        ALL";
      break;
    default:
      outs() << format(" %10d", cpusubtype & ~MachO::CPU_SUBTYPE_MASK);
      break;
    }
    break;
  default:
    outs() << format(" %7d", cputype);
    outs() << format(" %10d", cpusubtype & ~MachO::CPU_SUBTYPE_MASK);
    break;
  }
  if ((cpusubtype & MachO::CPU_SUBTYPE_MASK) == MachO::CPU_SUBTYPE_LIB64) {
    outs() << " LIB64";
  } else {
    outs() << format("  0x%02" PRIx32"x",
                     (cpusubtype & MachO::CPU_SUBTYPE_MASK) >> 24);
  }
  switch (filetype) {
  case MachO::MH_OBJECT:
    outs() << "      OBJECT";
    break;
  case MachO::MH_EXECUTE:
    outs() << "     EXECUTE";
    break;
  case MachO::MH_FVMLIB:
    outs() << "      FVMLIB";
    break;
  case MachO::MH_CORE:
    outs() << "        CORE";
    break;
  case MachO::MH_PRELOAD:
    outs() << "     PRELOAD";
    break;
  case MachO::MH_DYLIB:
    outs() << "       DYLIB";
    break;
  case MachO::MH_DYLIB_STUB:
    outs() << "  DYLIB_STUB";
    break;
  case MachO::MH_DYLINKER:
    outs() << "    DYLINKER";
    break;
  case MachO::MH_BUNDLE:
    outs() << "      BUNDLE";
    break;
  case MachO::MH_DSYM:
    outs() << "        DSYM";
    break;
  case MachO::MH_KEXT_BUNDLE:
    outs() << "  KEXTBUNDLE";
    break;
  default:
    outs() << format("  %10u", filetype);
    break;
  }
  outs() << format(" %5u", ncmds);
  outs() << format(" %10u", sizeofcmds);
  uint32_t f = flags;
  if (f & MachO::MH_NOUNDEFS) {
    outs() << "   NOUNDEFS";
    f &= ~MachO::MH_NOUNDEFS;
  }
  if (f & MachO::MH_INCRLINK) {
    outs() << " INCRLINK";
    f &= ~MachO::MH_INCRLINK;
  }
  if (f & MachO::MH_DYLDLINK) {
    outs() << " DYLDLINK";
    f &= ~MachO::MH_DYLDLINK;
  }
  if (f & MachO::MH_BINDATLOAD) {
    outs() << " BINDATLOAD";
    f &= ~MachO::MH_BINDATLOAD;
  }
  if (f & MachO::MH_PREBOUND) {
    outs() << " PREBOUND";
    f &= ~MachO::MH_PREBOUND;
  }
  if (f & MachO::MH_SPLIT_SEGS) {
    outs() << " SPLIT_SEGS";
    f &= ~MachO::MH_SPLIT_SEGS;
  }
  if (f & MachO::MH_LAZY_INIT) {
    outs() << " LAZY_INIT";
    f &= ~MachO::MH_LAZY_INIT;
  }
  if (f & MachO::MH_TWOLEVEL) {
    outs() << " TWOLEVEL";
    f &= ~MachO::MH_TWOLEVEL;
  }
  if (f & MachO::MH_FORCE_FLAT) {
    outs() << " FORCE_FLAT";
    f &= ~MachO::MH_FORCE_FLAT;
  }
  if (f & MachO::MH_NOMULTIDEFS) {
    outs() << " NOMULTIDEFS";
    f &= ~MachO::MH_NOMULTIDEFS;
  }
  if (f & MachO::MH_NOFIXPREBINDING) {
    outs() << " NOFIXPREBINDING";
    f &= ~MachO::MH_NOFIXPREBINDING;
  }
  if (f & MachO::MH_PREBINDABLE) {
    outs() << " PREBINDABLE";
    f &= ~MachO::MH_PREBINDABLE;
  }
  if (f & MachO::MH_ALLMODSBOUND) {
    outs() << " ALLMODSBOUND";
    f &= ~MachO::MH_ALLMODSBOUND;
  }
  if (f & MachO::MH_SUBSECTIONS_VIA_SYMBOLS) {
    outs() << " SUBSECTIONS_VIA_SYMBOLS";
    f &= ~MachO::MH_SUBSECTIONS_VIA_SYMBOLS;
  }
  if (f & MachO::MH_CANONICAL) {
    outs() << " CANONICAL";
    f &= ~MachO::MH_CANONICAL;
  }
  if (f & MachO::MH_WEAK_DEFINES) {
    outs() << " WEAK_DEFINES";
    f &= ~MachO::MH_WEAK_DEFINES;
  }
  if (f & MachO::MH_BINDS_TO_WEAK) {
    outs() << " BINDS_TO_WEAK";
    f &= ~MachO::MH_BINDS_TO_WEAK;
  }
  if (f & MachO::MH_ALLOW_STACK_EXECUTION) {
    outs() << " ALLOW_STACK_EXECUTION";
    f &= ~MachO::MH_ALLOW_STACK_EXECUTION;
  }
  if (f & MachO::MH_DEAD_STRIPPABLE_DYLIB) {
    outs() << " DEAD_STRIPPABLE_DYLIB";
    f &= ~MachO::MH_DEAD_STRIPPABLE_DYLIB;
  }
  if (f & MachO::MH_PIE) {
    outs() << " PIE";
    f &= ~MachO::MH_PIE;
  }
  if (f & MachO::MH_NO_REEXPORTED_DYLIBS) {
    outs() << " NO_REEXPORTED_DYLIBS";
    f &= ~MachO::MH_NO_REEXPORTED_DYLIBS;
  }
  if (f & MachO::MH_HAS_TLV_DESCRIPTORS) {
    outs() << " MH_HAS_TLV_DESCRIPTORS";
    f &= ~MachO::MH_HAS_TLV_DESCRIPTORS;
  }
  if (f & MachO::MH_NO_HEAP_EXECUTION) {
    outs() << " MH_NO_HEAP_EXECUTION";
    f &= ~MachO::MH_NO_HEAP_EXECUTION;
  }
  if (f & MachO::MH_APP_EXTENSION_SAFE) {
    outs() << " APP_EXTENSION_SAFE";
    f &= ~MachO::MH_APP_EXTENSION_SAFE;
  }
  if (f & MachO::MH_NLIST_OUTOFSYNC_WITH_DYLDINFO) {
    outs() << " NLIST_OUTOFSYNC_WITH_DYLDINFO";
    f &= ~MachO::MH_NLIST_OUTOFSYNC_WITH_DYLDINFO;
  }
  if (f != 0 || flags == 0)
    outs() << format(" 0x%08" PRIx32"x", f);
} else {
  outs() << format(" 0x%08" PRIx32"x", magic);
  outs() << format(" %7d", cputype);
  outs() << format(" %10d", cpusubtype & ~MachO::CPU_SUBTYPE_MASK);
  outs() << format("  0x%02" PRIx32"x",
                   (cpusubtype & MachO::CPU_SUBTYPE_MASK) >> 24);
  outs() << format("  %10u", filetype);
  outs() << format(" %5u", ncmds);
  outs() << format(" %10u", sizeofcmds);
  outs() << format(" 0x%08" PRIx32"x", flags);
}
outs() << "\n";
8546}

8548static void PrintSegmentCommand(uint32_t cmd, uint32_t cmdsize,
                              StringRef SegName, uint64_t vmaddr,
                              uint64_t vmsize, uint64_t fileoff,
                              uint64_t filesize, uint32_t maxprot,
                              uint32_t initprot, uint32_t nsects,
                              uint32_t flags, uint32_t object_size,
                              bool verbose) {
uint64_t expected_cmdsize;
if (cmd == MachO::LC_SEGMENT) {
  outs() << "      cmd LC_SEGMENT\n";
  expected_cmdsize = nsects;
  expected_cmdsize *= sizeof(struct MachO::section);
  expected_cmdsize += sizeof(struct MachO::segment_command);
} else {
  outs() << "      cmd LC_SEGMENT_64\n";
  expected_cmdsize = nsects;
  expected_cmdsize *= sizeof(struct MachO::section_64);
  expected_cmdsize += sizeof(struct MachO::segment_command_64);
}
outs() << "  cmdsize " << cmdsize;
if (cmdsize != expected_cmdsize)
  outs() << " Inconsistent size\n";
else
  outs() << "\n";
outs() << "  segname " << SegName << "\n";
if (cmd == MachO::LC_SEGMENT_64) {
  outs() << "   vmaddr " << format("0x%016" PRIx64"llx", vmaddr) << "\n";
  outs() << "   vmsize " << format("0x%016" PRIx64"llx", vmsize) << "\n";
} else {
  outs() << "   vmaddr " << format("0x%08" PRIx64"llx", vmaddr) << "\n";
  outs() << "   vmsize " << format("0x%08" PRIx64"llx", vmsize) << "\n";
}
outs() << "  fileoff " << fileoff;
if (fileoff > object_size)
  outs() << " (past end of file)\n";
else
  outs() << "\n";
outs() << " filesize " << filesize;
if (fileoff + filesize > object_size)
  outs() << " (past end of file)\n";
else
  outs() << "\n";
if (verbose) {
  if ((maxprot &
       ~(MachO::VM_PROT_READ | MachO::VM_PROT_WRITE |
         MachO::VM_PROT_EXECUTE)) != 0)
    outs() << "  maxprot ?" << format("0x%08" PRIx32"x", maxprot) << "\n";
  else {
    outs() << "  maxprot ";
    outs() << ((maxprot & MachO::VM_PROT_READ) ? "r" : "-");
    outs() << ((maxprot & MachO::VM_PROT_WRITE) ? "w" : "-");
    outs() << ((maxprot & MachO::VM_PROT_EXECUTE) ? "x\n" : "-\n");
  }
  if ((initprot &
       ~(MachO::VM_PROT_READ | MachO::VM_PROT_WRITE |
         MachO::VM_PROT_EXECUTE)) != 0)
    outs() << " initprot ?" << format("0x%08" PRIx32"x", initprot) << "\n";
  else {
    outs() << " initprot ";
    outs() << ((initprot & MachO::VM_PROT_READ) ? "r" : "-");
    outs() << ((initprot & MachO::VM_PROT_WRITE) ? "w" : "-");
    outs() << ((initprot & MachO::VM_PROT_EXECUTE) ? "x\n" : "-\n");
  }
} else {
  outs() << "  maxprot " << format("0x%08" PRIx32"x", maxprot) << "\n";
  outs() << " initprot " << format("0x%08" PRIx32"x", initprot) << "\n";
}
outs() << "   nsects " << nsects << "\n";
if (verbose) {
  outs() << "    flags";
  if (flags == 0)
    outs() << " (none)\n";
  else {
    if (flags & MachO::SG_HIGHVM) {
      outs() << " HIGHVM";
      flags &= ~MachO::SG_HIGHVM;
    }
    if (flags & MachO::SG_FVMLIB) {
      outs() << " FVMLIB";
      flags &= ~MachO::SG_FVMLIB;
    }
    if (flags & MachO::SG_NORELOC) {
      outs() << " NORELOC";
      flags &= ~MachO::SG_NORELOC;
    }
    if (flags & MachO::SG_PROTECTED_VERSION_1) {
      outs() << " PROTECTED_VERSION_1";
      flags &= ~MachO::SG_PROTECTED_VERSION_1;
    }
    if (flags)
      outs() << format(" 0x%08" PRIx32"x", flags) << " (unknown flags)\n";
    else
      outs() << "\n";
  }
} else {
  outs() << "    flags " << format("0x%" PRIx32"x", flags) << "\n";
}
8645}

8647static void PrintSection(const char *sectname, const char *segname,
                       uint64_t addr, uint64_t size, uint32_t offset,
                       uint32_t align, uint32_t reloff, uint32_t nreloc,
                       uint32_t flags, uint32_t reserved1, uint32_t reserved2,
                       uint32_t cmd, const char *sg_segname,
                       uint32_t filetype, uint32_t object_size,
                       bool verbose) {
outs() << "Section\n";
outs() << "  sectname " << format("%.16s\n", sectname);
outs() << "   segname " << format("%.16s", segname);
if (filetype != MachO::MH_OBJECT && strncmp(sg_segname, segname, 16) != 0)
  outs() << " (does not match segment)\n";
else
  outs() << "\n";
if (cmd == MachO::LC_SEGMENT_64) {
  outs() << "      addr " << format("0x%016" PRIx64"llx", addr) << "\n";
  outs() << "      size " << format("0x%016" PRIx64"llx", size);
} else {
  outs() << "      addr " << format("0x%08" PRIx64"llx", addr) << "\n";
  outs() << "      size " << format("0x%08" PRIx64"llx", size);
}
if ((flags & MachO::S_ZEROFILL) != 0 && offset + size > object_size)
  outs() << " (past end of file)\n";
else
  outs() << "\n";
outs() << "    offset " << offset;
if (offset > object_size)
  outs() << " (past end of file)\n";
else
  outs() << "\n";
uint32_t align_shifted = 1 << align;
outs() << "     align 2^" << align << " (" << align_shifted << ")\n";
outs() << "    reloff " << reloff;
if (reloff > object_size)
  outs() << " (past end of file)\n";
else
  outs() << "\n";
outs() << "    nreloc " << nreloc;
if (reloff + nreloc * sizeof(struct MachO::relocation_info) > object_size)
  outs() << " (past end of file)\n";
else
  outs() << "\n";
uint32_t section_type = flags & MachO::SECTION_TYPE;
if (verbose) {
  outs() << "      type";
  if (section_type == MachO::S_REGULAR)
    outs() << " S_REGULAR\n";
  else if (section_type == MachO::S_ZEROFILL)
    outs() << " S_ZEROFILL\n";
  else if (section_type == MachO::S_CSTRING_LITERALS)
    outs() << " S_CSTRING_LITERALS\n";
  else if (section_type == MachO::S_4BYTE_LITERALS)
    outs() << " S_4BYTE_LITERALS\n";
  else if (section_type == MachO::S_8BYTE_LITERALS)
    outs() << " S_8BYTE_LITERALS\n";
  else if (section_type == MachO::S_16BYTE_LITERALS)
    outs() << " S_16BYTE_LITERALS\n";
  else if (section_type == MachO::S_LITERAL_POINTERS)
    outs() << " S_LITERAL_POINTERS\n";
  else if (section_type == MachO::S_NON_LAZY_SYMBOL_POINTERS)
    outs() << " S_NON_LAZY_SYMBOL_POINTERS\n";
  else if (section_type == MachO::S_LAZY_SYMBOL_POINTERS)
    outs() << " S_LAZY_SYMBOL_POINTERS\n";
  else if (section_type == MachO::S_SYMBOL_STUBS)
    outs() << " S_SYMBOL_STUBS\n";
  else if (section_type == MachO::S_MOD_INIT_FUNC_POINTERS)
    outs() << " S_MOD_INIT_FUNC_POINTERS\n";
  else if (section_type == MachO::S_MOD_TERM_FUNC_POINTERS)
    outs() << " S_MOD_TERM_FUNC_POINTERS\n";
  else if (section_type == MachO::S_COALESCED)
    outs() << " S_COALESCED\n";
  else if (section_type == MachO::S_INTERPOSING)
    outs() << " S_INTERPOSING\n";
  else if (section_type == MachO::S_DTRACE_DOF)
    outs() << " S_DTRACE_DOF\n";
  else if (section_type == MachO::S_LAZY_DYLIB_SYMBOL_POINTERS)
    outs() << " S_LAZY_DYLIB_SYMBOL_POINTERS\n";
  else if (section_type == MachO::S_THREAD_LOCAL_REGULAR)
    outs() << " S_THREAD_LOCAL_REGULAR\n";
  else if (section_type == MachO::S_THREAD_LOCAL_ZEROFILL)
    outs() << " S_THREAD_LOCAL_ZEROFILL\n";
  else if (section_type == MachO::S_THREAD_LOCAL_VARIABLES)
    outs() << " S_THREAD_LOCAL_VARIABLES\n";
  else if (section_type == MachO::S_THREAD_LOCAL_VARIABLE_POINTERS)
    outs() << " S_THREAD_LOCAL_VARIABLE_POINTERS\n";
  else if (section_type == MachO::S_THREAD_LOCAL_INIT_FUNCTION_POINTERS)
    outs() << " S_THREAD_LOCAL_INIT_FUNCTION_POINTERS\n";
  else
    outs() << format("0x%08" PRIx32"x", section_type) << "\n";
  outs() << "attributes";
  uint32_t section_attributes = flags & MachO::SECTION_ATTRIBUTES;
  if (section_attributes & MachO::S_ATTR_PURE_INSTRUCTIONS)
    outs() << " PURE_INSTRUCTIONS";
  if (section_attributes & MachO::S_ATTR_NO_TOC)
    outs() << " NO_TOC";
  if (section_attributes & MachO::S_ATTR_STRIP_STATIC_SYMS)
    outs() << " STRIP_STATIC_SYMS";
  if (section_attributes & MachO::S_ATTR_NO_DEAD_STRIP)
    outs() << " NO_DEAD_STRIP";
  if (section_attributes & MachO::S_ATTR_LIVE_SUPPORT)
    outs() << " LIVE_SUPPORT";
  if (section_attributes & MachO::S_ATTR_SELF_MODIFYING_CODE)
    outs() << " SELF_MODIFYING_CODE";
  if (section_attributes & MachO::S_ATTR_DEBUG)
    outs() << " DEBUG";
  if (section_attributes & MachO::S_ATTR_SOME_INSTRUCTIONS)
    outs() << " SOME_INSTRUCTIONS";
  if (section_attributes & MachO::S_ATTR_EXT_RELOC)
    outs() << " EXT_RELOC";
  if (section_attributes & MachO::S_ATTR_LOC_RELOC)
    outs() << " LOC_RELOC";
  if (section_attributes == 0)
    outs() << " (none)";
  outs() << "\n";
} else
  outs() << "     flags " << format("0x%08" PRIx32"x", flags) << "\n";
outs() << " reserved1 " << reserved1;
if (section_type == MachO::S_SYMBOL_STUBS ||
    section_type == MachO::S_LAZY_SYMBOL_POINTERS ||
    section_type == MachO::S_LAZY_DYLIB_SYMBOL_POINTERS ||
    section_type == MachO::S_NON_LAZY_SYMBOL_POINTERS ||
    section_type == MachO::S_THREAD_LOCAL_VARIABLE_POINTERS)
  outs() << " (index into indirect symbol table)\n";
else
  outs() << "\n";
outs() << " reserved2 " << reserved2;
if (section_type == MachO::S_SYMBOL_STUBS)
  outs() << " (size of stubs)\n";
else
  outs() << "\n";
8777}

8779static void PrintSymtabLoadCommand(MachO::symtab_command st, bool Is64Bit,
                                 uint32_t object_size) {
outs() << "     cmd LC_SYMTAB\n";
outs() << " cmdsize " << st.cmdsize;
if (st.cmdsize != sizeof(struct MachO::symtab_command))
  outs() << " Incorrect size\n";
else
  outs() << "\n";
outs() << "  symoff " << st.symoff;
if (st.symoff > object_size)
  outs() << " (past end of file)\n";
else
  outs() << "\n";
outs() << "   nsyms " << st.nsyms;
uint64_t big_size;
if (Is64Bit) {
  big_size = st.nsyms;
  big_size *= sizeof(struct MachO::nlist_64);
  big_size += st.symoff;
  if (big_size > object_size)
    outs() << " (past end of file)\n";
  else
    outs() << "\n";
} else {
  big_size = st.nsyms;
  big_size *= sizeof(struct MachO::nlist);
  big_size += st.symoff;
  if (big_size > object_size)
    outs() << " (past end of file)\n";
  else
    outs() << "\n";
}
outs() << "  stroff " << st.stroff;
if (st.stroff > object_size)
  outs() << " (past end of file)\n";
else
  outs() << "\n";
outs() << " strsize " << st.strsize;
big_size = st.stroff;
big_size += st.strsize;
if (big_size > object_size)
  outs() << " (past end of file)\n";
else
  outs() << "\n";
8823}

8825static void PrintDysymtabLoadCommand(MachO::dysymtab_command dyst,
                                   uint32_t nsyms, uint32_t object_size,
                                   bool Is64Bit) {
outs() << "            cmd LC_DYSYMTAB\n";
outs() << "        cmdsize " << dyst.cmdsize;
if (dyst.cmdsize != sizeof(struct MachO::dysymtab_command))
  outs() << " Incorrect size\n";
else
  outs() << "\n";
outs() << "      ilocalsym " << dyst.ilocalsym;
if (dyst.ilocalsym > nsyms)
  outs() << " (greater than the number of symbols)\n";
else
  outs() << "\n";
outs() << "      nlocalsym " << dyst.nlocalsym;
uint64_t big_size;
big_size = dyst.ilocalsym;
big_size += dyst.nlocalsym;
if (big_size > nsyms)
  outs() << " (past the end of the symbol table)\n";
else
  outs() << "\n";
outs() << "     iextdefsym " << dyst.iextdefsym;
if (dyst.iextdefsym > nsyms)
  outs() << " (greater than the number of symbols)\n";
else
  outs() << "\n";
outs() << "     nextdefsym " << dyst.nextdefsym;
big_size = dyst.iextdefsym;
big_size += dyst.nextdefsym;
if (big_size > nsyms)
  outs() << " (past the end of the symbol table)\n";
else
  outs() << "\n";
outs() << "      iundefsym " << dyst.iundefsym;
if (dyst.iundefsym > nsyms)
  outs() << " (greater than the number of symbols)\n";
else
  outs() << "\n";
outs() << "      nundefsym " << dyst.nundefsym;
big_size = dyst.iundefsym;
big_size += dyst.nundefsym;
if (big_size > nsyms)
  outs() << " (past the end of the symbol table)\n";
else
  outs() << "\n";
outs() << "         tocoff " << dyst.tocoff;
if (dyst.tocoff > object_size)
  outs() << " (past end of file)\n";
else
  outs() << "\n";
outs() << "           ntoc " << dyst.ntoc;
big_size = dyst.ntoc;
big_size *= sizeof(struct MachO::dylib_table_of_contents);
big_size += dyst.tocoff;
if (big_size > object_size)
  outs() << " (past end of file)\n";
else
  outs() << "\n";
outs() << "      modtaboff " << dyst.modtaboff;
if (dyst.modtaboff > object_size)
  outs() << " (past end of file)\n";
else
  outs() << "\n";
outs() << "        nmodtab " << dyst.nmodtab;
uint64_t modtabend;
if (Is64Bit) {
  modtabend = dyst.nmodtab;
  modtabend *= sizeof(struct MachO::dylib_module_64);
  modtabend += dyst.modtaboff;
} else {
  modtabend = dyst.nmodtab;
  modtabend *= sizeof(struct MachO::dylib_module);
  modtabend += dyst.modtaboff;
}
if (modtabend > object_size)
  outs() << " (past end of file)\n";
else
  outs() << "\n";
outs() << "   extrefsymoff " << dyst.extrefsymoff;
if (dyst.extrefsymoff > object_size)
  outs() << " (past end of file)\n";
else
  outs() << "\n";
outs() << "    nextrefsyms " << dyst.nextrefsyms;
big_size = dyst.nextrefsyms;
big_size *= sizeof(struct MachO::dylib_reference);
big_size += dyst.extrefsymoff;
if (big_size > object_size)
  outs() << " (past end of file)\n";
else
  outs() << "\n";
outs() << " indirectsymoff " << dyst.indirectsymoff;
if (dyst.indirectsymoff > object_size)
  outs() << " (past end of file)\n";
else
  outs() << "\n";
outs() << "  nindirectsyms " << dyst.nindirectsyms;
big_size = dyst.nindirectsyms;
big_size *= sizeof(uint32_t);
big_size += dyst.indirectsymoff;
if (big_size > object_size)
  outs() << " (past end of file)\n";
else
  outs() << "\n";
outs() << "      extreloff " << dyst.extreloff;
if (dyst.extreloff > object_size)
  outs() << " (past end of file)\n";
else
  outs() << "\n";
outs() << "        nextrel " << dyst.nextrel;
big_size = dyst.nextrel;
big_size *= sizeof(struct MachO::relocation_info);
big_size += dyst.extreloff;
if (big_size > object_size)
  outs() << " (past end of file)\n";
else
  outs() << "\n";
outs() << "      locreloff " << dyst.locreloff;
if (dyst.locreloff > object_size)
  outs() << " (past end of file)\n";
else
  outs() << "\n";
outs() << "        nlocrel " << dyst.nlocrel;
big_size = dyst.nlocrel;
big_size *= sizeof(struct MachO::relocation_info);
big_size += dyst.locreloff;
if (big_size > object_size)
  outs() << " (past end of file)\n";
else
  outs() << "\n";
8956}

8958static void PrintDyldInfoLoadCommand(MachO::dyld_info_command dc,
                                   uint32_t object_size) {
if (dc.cmd == MachO::LC_DYLD_INFO)
  outs() << "            cmd LC_DYLD_INFO\n";
else
  outs() << "            cmd LC_DYLD_INFO_ONLY\n";
outs() << "        cmdsize " << dc.cmdsize;
if (dc.cmdsize != sizeof(struct MachO::dyld_info_command))
  outs() << " Incorrect size\n";
else
  outs() << "\n";
outs() << "     rebase_off " << dc.rebase_off;
if (dc.rebase_off > object_size)
  outs() << " (past end of file)\n";
else
  outs() << "\n";
outs() << "    rebase_size " << dc.rebase_size;
uint64_t big_size;
big_size = dc.rebase_off;
big_size += dc.rebase_size;
if (big_size > object_size)
  outs() << " (past end of file)\n";
else
  outs() << "\n";
outs() << "       bind_off " << dc.bind_off;
if (dc.bind_off > object_size)
  outs() << " (past end of file)\n";
else
  outs() << "\n";
outs() << "      bind_size " << dc.bind_size;
big_size = dc.bind_off;
big_size += dc.bind_size;
if (big_size > object_size)
  outs() << " (past end of file)\n";
else
  outs() << "\n";
outs() << "  weak_bind_off " << dc.weak_bind_off;
if (dc.weak_bind_off > object_size)
  outs() << " (past end of file)\n";
else
  outs() << "\n";
outs() << " weak_bind_size " << dc.weak_bind_size;
big_size = dc.weak_bind_off;
big_size += dc.weak_bind_size;
if (big_size > object_size)
  outs() << " (past end of file)\n";
else
  outs() << "\n";
outs() << "  lazy_bind_off " << dc.lazy_bind_off;
if (dc.lazy_bind_off > object_size)
  outs() << " (past end of file)\n";
else
  outs() << "\n";
outs() << " lazy_bind_size " << dc.lazy_bind_size;
big_size = dc.lazy_bind_off;
big_size += dc.lazy_bind_size;
if (big_size > object_size)
  outs() << " (past end of file)\n";
else
  outs() << "\n";
outs() << "     export_off " << dc.export_off;
if (dc.export_off > object_size)
  outs() << " (past end of file)\n";
else
  outs() << "\n";
outs() << "    export_size " << dc.export_size;
big_size = dc.export_off;
big_size += dc.export_size;
if (big_size > object_size)
  outs() << " (past end of file)\n";
else
  outs() << "\n";
9030}

9032static void PrintDyldLoadCommand(MachO::dylinker_command dyld,
                               const char *Ptr) {
if (dyld.cmd == MachO::LC_ID_DYLINKER)
  outs() << "          cmd LC_ID_DYLINKER\n";
else if (dyld.cmd == MachO::LC_LOAD_DYLINKER)
  outs() << "          cmd LC_LOAD_DYLINKER\n";
else if (dyld.cmd == MachO::LC_DYLD_ENVIRONMENT)
  outs() << "          cmd LC_DYLD_ENVIRONMENT\n";
else
  outs() << "          cmd ?(" << dyld.cmd << ")\n";
outs() << "      cmdsize " << dyld.cmdsize;
if (dyld.cmdsize < sizeof(struct MachO::dylinker_command))
  outs() << " Incorrect size\n";
else
  outs() << "\n";
if (dyld.name >= dyld.cmdsize)
  outs() << "         name ?(bad offset " << dyld.name << ")\n";
else {
  const char *P = (const char *)(Ptr) + dyld.name;
  outs() << "         name " << P << " (offset " << dyld.name << ")\n";
}
9053}

9055static void PrintUuidLoadCommand(MachO::uuid_command uuid) {
outs() << "     cmd LC_UUID\n";
outs() << " cmdsize " << uuid.cmdsize;
if (uuid.cmdsize != sizeof(struct MachO::uuid_command))
  outs() << " Incorrect size\n";
else
  outs() << "\n";
outs() << "    uuid ";
for (int i = 0; i < 16; ++i) {
  outs() << format("%02" PRIX32"X", uuid.uuid[i]);
  if (i == 3 || i == 5 || i == 7 || i == 9)
    outs() << "-";
}
outs() << "\n";
9069}

9071static void PrintRpathLoadCommand(MachO::rpath_command rpath, const char *Ptr) {
outs() << "          cmd LC_RPATH\n";
outs() << "      cmdsize " << rpath.cmdsize;
if (rpath.cmdsize < sizeof(struct MachO::rpath_command))
  outs() << " Incorrect size\n";
else
  outs() << "\n";
if (rpath.path >= rpath.cmdsize)
  outs() << "         path ?(bad offset " << rpath.path << ")\n";
else {
  const char *P = (const char *)(Ptr) + rpath.path;
  outs() << "         path " << P << " (offset " << rpath.path << ")\n";
}
9084}

9086static void PrintVersionMinLoadCommand(MachO::version_min_command vd) {
StringRef LoadCmdName;
switch (vd.cmd) {
case MachO::LC_VERSION_MIN_MACOSX:
  LoadCmdName = "LC_VERSION_MIN_MACOSX";
  break;
case MachO::LC_VERSION_MIN_IPHONEOS:
  LoadCmdName = "LC_VERSION_MIN_IPHONEOS";
  break;
case MachO::LC_VERSION_MIN_TVOS:
  LoadCmdName = "LC_VERSION_MIN_TVOS";
  break;
case MachO::LC_VERSION_MIN_WATCHOS:
  LoadCmdName = "LC_VERSION_MIN_WATCHOS";
  break;
default:
  llvm_unreachable("Unknown version min load command")__builtin_unreachable();
}

outs() << "      cmd " << LoadCmdName << '\n';
outs() << "  cmdsize " << vd.cmdsize;
if (vd.cmdsize != sizeof(struct MachO::version_min_command))
  outs() << " Incorrect size\n";
else
  outs() << "\n";
outs() << "  version "
       << MachOObjectFile::getVersionMinMajor(vd, false) << "."
       << MachOObjectFile::getVersionMinMinor(vd, false);
uint32_t Update = MachOObjectFile::getVersionMinUpdate(vd, false);
if (Update != 0)
  outs() << "." << Update;
outs() << "\n";
if (vd.sdk == 0)
  outs() << "      sdk n/a";
else {
  outs() << "      sdk "
         << MachOObjectFile::getVersionMinMajor(vd, true) << "."
         << MachOObjectFile::getVersionMinMinor(vd, true);
}
Update = MachOObjectFile::getVersionMinUpdate(vd, true);
if (Update != 0)
  outs() << "." << Update;
outs() << "\n";
9129}

9131static void PrintNoteLoadCommand(MachO::note_command Nt) {
outs() << "       cmd LC_NOTE\n";
outs() << "   cmdsize " << Nt.cmdsize;
if (Nt.cmdsize != sizeof(struct MachO::note_command))
  outs() << " Incorrect size\n";
else
  outs() << "\n";
const char *d = Nt.data_owner;
outs() << "data_owner " << format("%.16s\n", d);
outs() << "    offset " << Nt.offset << "\n";
outs() << "      size " << Nt.size << "\n";
9142}

9144static void PrintBuildToolVersion(MachO::build_tool_version bv) {
outs() << "      tool " << MachOObjectFile::getBuildTool(bv.tool) << "\n";
outs() << "   version " << MachOObjectFile::getVersionString(bv.version)
       << "\n";
9148}

9150static void PrintBuildVersionLoadCommand(const MachOObjectFile *obj,
                                       MachO::build_version_command bd) {
outs() << "       cmd LC_BUILD_VERSION\n";
outs() << "   cmdsize " << bd.cmdsize;
if (bd.cmdsize !=
    sizeof(struct MachO::build_version_command) +
        bd.ntools * sizeof(struct MachO::build_tool_version))
  outs() << " Incorrect size\n";
else
  outs() << "\n";
outs() << "  platform " << MachOObjectFile::getBuildPlatform(bd.platform)
       << "\n";
if (bd.sdk)
  outs() << "       sdk " << MachOObjectFile::getVersionString(bd.sdk)
         << "\n";
else
  outs() << "       sdk n/a\n";
outs() << "     minos " << MachOObjectFile::getVersionString(bd.minos)
       << "\n";
outs() << "    ntools " << bd.ntools << "\n";
for (unsigned i = 0; i < bd.ntools; ++i) {
  MachO::build_tool_version bv = obj->getBuildToolVersion(i);
  PrintBuildToolVersion(bv);
}
9174}

9176static void PrintSourceVersionCommand(MachO::source_version_command sd) {
outs() << "      cmd LC_SOURCE_VERSION\n";
outs() << "  cmdsize " << sd.cmdsize;
if (sd.cmdsize != sizeof(struct MachO::source_version_command))
  outs() << " Incorrect size\n";
else
  outs() << "\n";
uint64_t a = (sd.version >> 40) & 0xffffff;
uint64_t b = (sd.version >> 30) & 0x3ff;
uint64_t c = (sd.version >> 20) & 0x3ff;
uint64_t d = (sd.version >> 10) & 0x3ff;
uint64_t e = sd.version & 0x3ff;
outs() << "  version " << a << "." << b;
if (e != 0)
  outs() << "." << c << "." << d << "." << e;
else if (d != 0)
  outs() << "." << c << "." << d;
else if (c != 0)
  outs() << "." << c;
outs() << "\n";
9196}

9198static void PrintEntryPointCommand(MachO::entry_point_command ep) {
outs() << "       cmd LC_MAIN\n";
outs() << "   cmdsize " << ep.cmdsize;
if (ep.cmdsize != sizeof(struct MachO::entry_point_command))
  outs() << " Incorrect size\n";
else
  outs() << "\n";
outs() << "  entryoff " << ep.entryoff << "\n";
outs() << " stacksize " << ep.stacksize << "\n";
9207}

9209static void PrintEncryptionInfoCommand(MachO::encryption_info_command ec,
                                     uint32_t object_size) {
outs() << "          cmd LC_ENCRYPTION_INFO\n";
outs() << "      cmdsize " << ec.cmdsize;
if (ec.cmdsize != sizeof(struct MachO::encryption_info_command))
  outs() << " Incorrect size\n";
else
  outs() << "\n";
outs() << "     cryptoff " << ec.cryptoff;
if (ec.cryptoff > object_size)
  outs() << " (past end of file)\n";
else
  outs() << "\n";
outs() << "    cryptsize " << ec.cryptsize;
if (ec.cryptsize > object_size)
  outs() << " (past end of file)\n";
else
  outs() << "\n";
outs() << "      cryptid " << ec.cryptid << "\n";
9228}

9230static void PrintEncryptionInfoCommand64(MachO::encryption_info_command_64 ec,
                                       uint32_t object_size) {
outs() << "          cmd LC_ENCRYPTION_INFO_64\n";
outs() << "      cmdsize " << ec.cmdsize;
if (ec.cmdsize != sizeof(struct MachO::encryption_info_command_64))
  outs() << " Incorrect size\n";
else
  outs() << "\n";
outs() << "     cryptoff " << ec.cryptoff;
if (ec.cryptoff > object_size)
  outs() << " (past end of file)\n";
else
  outs() << "\n";
outs() << "    cryptsize " << ec.cryptsize;
if (ec.cryptsize > object_size)
  outs() << " (past end of file)\n";
else
  outs() << "\n";
outs() << "      cryptid " << ec.cryptid << "\n";
outs() << "          pad " << ec.pad << "\n";
9250}

9252static void PrintLinkerOptionCommand(MachO::linker_option_command lo,
                                   const char *Ptr) {
outs() << "     cmd LC_LINKER_OPTION\n";
outs() << " cmdsize " << lo.cmdsize;
if (lo.cmdsize < sizeof(struct MachO::linker_option_command))
  outs() << " Incorrect size\n";
else
  outs() << "\n";
outs() << "   count " << lo.count << "\n";
const char *string = Ptr + sizeof(struct MachO::linker_option_command);
uint32_t left = lo.cmdsize - sizeof(struct MachO::linker_option_command);
uint32_t i = 0;
while (left > 0) {
  while (*string == '\0' && left > 0) {
    string++;
    left--;
  }
  if (left > 0) {
    i++;
    outs() << "  string #" << i << " " << format("%.*s\n", left, string);
    uint32_t NullPos = StringRef(string, left).find('\0');
    uint32_t len = std::min(NullPos, left) + 1;
    string += len;
    left -= len;
  }
}
if (lo.count != i)
  outs() << "   count " << lo.count << " does not match number of strings "
         << i << "\n";
9281}

9283static void PrintSubFrameworkCommand(MachO::sub_framework_command sub,
                                   const char *Ptr) {
outs() << "          cmd LC_SUB_FRAMEWORK\n";
outs() << "      cmdsize " << sub.cmdsize;
if (sub.cmdsize < sizeof(struct MachO::sub_framework_command))
  outs() << " Incorrect size\n";
else
  outs() << "\n";
if (sub.umbrella < sub.cmdsize) {
  const char *P = Ptr + sub.umbrella;
  outs() << "     umbrella " << P << " (offset " << sub.umbrella << ")\n";
} else {
  outs() << "     umbrella ?(bad offset " << sub.umbrella << ")\n";
}
9297}

9299static void PrintSubUmbrellaCommand(MachO::sub_umbrella_command sub,
                                  const char *Ptr) {
outs() << "          cmd LC_SUB_UMBRELLA\n";
outs() << "      cmdsize " << sub.cmdsize;
if (sub.cmdsize < sizeof(struct MachO::sub_umbrella_command))
  outs() << " Incorrect size\n";
else
  outs() << "\n";
if (sub.sub_umbrella < sub.cmdsize) {
  const char *P = Ptr + sub.sub_umbrella;
  outs() << " sub_umbrella " << P << " (offset " << sub.sub_umbrella << ")\n";
} else {
  outs() << " sub_umbrella ?(bad offset " << sub.sub_umbrella << ")\n";
}
9313}

9315static void PrintSubLibraryCommand(MachO::sub_library_command sub,
                                 const char *Ptr) {
outs() << "          cmd LC_SUB_LIBRARY\n";
outs() << "      cmdsize " << sub.cmdsize;
if (sub.cmdsize < sizeof(struct MachO::sub_library_command))
  outs() << " Incorrect size\n";
else
  outs() << "\n";
if (sub.sub_library < sub.cmdsize) {
  const char *P = Ptr + sub.sub_library;
  outs() << "  sub_library " << P << " (offset " << sub.sub_library << ")\n";
} else {
  outs() << "  sub_library ?(bad offset " << sub.sub_library << ")\n";
}
9329}

9331static void PrintSubClientCommand(MachO::sub_client_command sub,
                                const char *Ptr) {
outs() << "          cmd LC_SUB_CLIENT\n";
outs() << "      cmdsize " << sub.cmdsize;
if (sub.cmdsize < sizeof(struct MachO::sub_client_command))
  outs() << " Incorrect size\n";
else
  outs() << "\n";
if (sub.client < sub.cmdsize) {
  const char *P = Ptr + sub.client;
  outs() << "       client " << P << " (offset " << sub.client << ")\n";
} else {
  outs() << "       client ?(bad offset " << sub.client << ")\n";
}
9345}

9347static void PrintRoutinesCommand(MachO::routines_command r) {
outs() << "          cmd LC_ROUTINES\n";
outs() << "      cmdsize " << r.cmdsize;
if (r.cmdsize != sizeof(struct MachO::routines_command))
  outs() << " Incorrect size\n";
else
  outs() << "\n";
outs() << " init_address " << format("0x%08" PRIx32"x", r.init_address) << "\n";
outs() << "  init_module " << r.init_module << "\n";
outs() << "    reserved1 " << r.reserved1 << "\n";
outs() << "    reserved2 " << r.reserved2 << "\n";
outs() << "    reserved3 " << r.reserved3 << "\n";
outs() << "    reserved4 " << r.reserved4 << "\n";
outs() << "    reserved5 " << r.reserved5 << "\n";
outs() << "    reserved6 " << r.reserved6 << "\n";
9362}

9364static void PrintRoutinesCommand64(MachO::routines_command_64 r) {
outs() << "          cmd LC_ROUTINES_64\n";
outs() << "      cmdsize " << r.cmdsize;
if (r.cmdsize != sizeof(struct MachO::routines_command_64))
  outs() << " Incorrect size\n";
else
  outs() << "\n";
outs() << " init_address " << format("0x%016" PRIx64"llx", r.init_address) << "\n";
outs() << "  init_module " << r.init_module << "\n";
outs() << "    reserved1 " << r.reserved1 << "\n";
outs() << "    reserved2 " << r.reserved2 << "\n";
outs() << "    reserved3 " << r.reserved3 << "\n";
outs() << "    reserved4 " << r.reserved4 << "\n";
outs() << "    reserved5 " << r.reserved5 << "\n";
outs() << "    reserved6 " << r.reserved6 << "\n";
9379}

9381static void Print_x86_thread_state32_t(MachO::x86_thread_state32_t &cpu32) {
outs() << "\t    eax " << format("0x%08" PRIx32"x", cpu32.eax);
outs() << " ebx    " << format("0x%08" PRIx32"x", cpu32.ebx);
outs() << " ecx " << format("0x%08" PRIx32"x", cpu32.ecx);
outs() << " edx " << format("0x%08" PRIx32"x", cpu32.edx) << "\n";
outs() << "\t    edi " << format("0x%08" PRIx32"x", cpu32.edi);
outs() << " esi    " << format("0x%08" PRIx32"x", cpu32.esi);
outs() << " ebp " << format("0x%08" PRIx32"x", cpu32.ebp);
outs() << " esp " << format("0x%08" PRIx32"x", cpu32.esp) << "\n";
outs() << "\t    ss  " << format("0x%08" PRIx32"x", cpu32.ss);
outs() << " eflags " << format("0x%08" PRIx32"x", cpu32.eflags);
outs() << " eip " << format("0x%08" PRIx32"x", cpu32.eip);
outs() << " cs  " << format("0x%08" PRIx32"x", cpu32.cs) << "\n";
outs() << "\t    ds  " << format("0x%08" PRIx32"x", cpu32.ds);
outs() << " es     " << format("0x%08" PRIx32"x", cpu32.es);
outs() << " fs  " << format("0x%08" PRIx32"x", cpu32.fs);
outs() << " gs  " << format("0x%08" PRIx32"x", cpu32.gs) << "\n";
9398}

9400static void Print_x86_thread_state64_t(MachO::x86_thread_state64_t &cpu64) {
outs() << "   rax  " << format("0x%016" PRIx64"llx", cpu64.rax);
outs() << " rbx " << format("0x%016" PRIx64"llx", cpu64.rbx);
outs() << " rcx  " << format("0x%016" PRIx64"llx", cpu64.rcx) << "\n";
outs() << "   rdx  " << format("0x%016" PRIx64"llx", cpu64.rdx);
outs() << " rdi " << format("0x%016" PRIx64"llx", cpu64.rdi);
outs() << " rsi  " << format("0x%016" PRIx64"llx", cpu64.rsi) << "\n";
outs() << "   rbp  " << format("0x%016" PRIx64"llx", cpu64.rbp);
outs() << " rsp " << format("0x%016" PRIx64"llx", cpu64.rsp);
outs() << " r8   " << format("0x%016" PRIx64"llx", cpu64.r8) << "\n";
outs() << "    r9  " << format("0x%016" PRIx64"llx", cpu64.r9);
outs() << " r10 " << format("0x%016" PRIx64"llx", cpu64.r10);
outs() << " r11  " << format("0x%016" PRIx64"llx", cpu64.r11) << "\n";
outs() << "   r12  " << format("0x%016" PRIx64"llx", cpu64.r12);
outs() << " r13 " << format("0x%016" PRIx64"llx", cpu64.r13);
outs() << " r14  " << format("0x%016" PRIx64"llx", cpu64.r14) << "\n";
outs() << "   r15  " << format("0x%016" PRIx64"llx", cpu64.r15);
outs() << " rip " << format("0x%016" PRIx64"llx", cpu64.rip) << "\n";
outs() << "rflags  " << format("0x%016" PRIx64"llx", cpu64.rflags);
outs() << " cs  " << format("0x%016" PRIx64"llx", cpu64.cs);
outs() << " fs   " << format("0x%016" PRIx64"llx", cpu64.fs) << "\n";
outs() << "    gs  " << format("0x%016" PRIx64"llx", cpu64.gs) << "\n";
9422}

9424static void Print_mmst_reg(MachO::mmst_reg_t &r) {
uint32_t f;
outs() << "\t      mmst_reg  ";
for (f = 0; f < 10; f++)
  outs() << format("%02" PRIx32"x", (r.mmst_reg[f] & 0xff)) << " ";
outs() << "\n";
outs() << "\t      mmst_rsrv ";
for (f = 0; f < 6; f++)
  outs() << format("%02" PRIx32"x", (r.mmst_rsrv[f] & 0xff)) << " ";
outs() << "\n";
9434}

9436static void Print_xmm_reg(MachO::xmm_reg_t &r) {
uint32_t f;
outs() << "\t      xmm_reg ";
for (f = 0; f < 16; f++)
  outs() << format("%02" PRIx32"x", (r.xmm_reg[f] & 0xff)) << " ";
outs() << "\n";
9442}

9444static void Print_x86_float_state_t(MachO::x86_float_state64_t &fpu) {
outs() << "\t    fpu_reserved[0] " << fpu.fpu_reserved[0];
outs() << " fpu_reserved[1] " << fpu.fpu_reserved[1] << "\n";
outs() << "\t    control: invalid " << fpu.fpu_fcw.invalid;
outs() << " denorm " << fpu.fpu_fcw.denorm;
outs() << " zdiv " << fpu.fpu_fcw.zdiv;
outs() << " ovrfl " << fpu.fpu_fcw.ovrfl;
outs() << " undfl " << fpu.fpu_fcw.undfl;
outs() << " precis " << fpu.fpu_fcw.precis << "\n";
outs() << "\t\t     pc ";
if (fpu.fpu_fcw.pc == MachO::x86_FP_PREC_24B)
  outs() << "FP_PREC_24B ";
else if (fpu.fpu_fcw.pc == MachO::x86_FP_PREC_53B)
  outs() << "FP_PREC_53B ";
else if (fpu.fpu_fcw.pc == MachO::x86_FP_PREC_64B)
  outs() << "FP_PREC_64B ";
else
  outs() << fpu.fpu_fcw.pc << " ";
outs() << "rc ";
if (fpu.fpu_fcw.rc == MachO::x86_FP_RND_NEAR)
  outs() << "FP_RND_NEAR ";
else if (fpu.fpu_fcw.rc == MachO::x86_FP_RND_DOWN)
  outs() << "FP_RND_DOWN ";
else if (fpu.fpu_fcw.rc == MachO::x86_FP_RND_UP)
  outs() << "FP_RND_UP ";
else if (fpu.fpu_fcw.rc == MachO::x86_FP_CHOP)
  outs() << "FP_CHOP ";
outs() << "\n";
outs() << "\t    status: invalid " << fpu.fpu_fsw.invalid;
outs() << " denorm " << fpu.fpu_fsw.denorm;
outs() << " zdiv " << fpu.fpu_fsw.zdiv;
outs() << " ovrfl " << fpu.fpu_fsw.ovrfl;
outs() << " undfl " << fpu.fpu_fsw.undfl;
outs() << " precis " << fpu.fpu_fsw.precis;
outs() << " stkflt " << fpu.fpu_fsw.stkflt << "\n";
outs() << "\t            errsumm " << fpu.fpu_fsw.errsumm;
outs() << " c0 " << fpu.fpu_fsw.c0;
outs() << " c1 " << fpu.fpu_fsw.c1;
outs() << " c2 " << fpu.fpu_fsw.c2;
outs() << " tos " << fpu.fpu_fsw.tos;
outs() << " c3 " << fpu.fpu_fsw.c3;
outs() << " busy " << fpu.fpu_fsw.busy << "\n";
outs() << "\t    fpu_ftw " << format("0x%02" PRIx32"x", fpu.fpu_ftw);
outs() << " fpu_rsrv1 " << format("0x%02" PRIx32"x", fpu.fpu_rsrv1);
outs() << " fpu_fop " << format("0x%04" PRIx32"x", fpu.fpu_fop);
outs() << " fpu_ip " << format("0x%08" PRIx32"x", fpu.fpu_ip) << "\n";
outs() << "\t    fpu_cs " << format("0x%04" PRIx32"x", fpu.fpu_cs);
outs() << " fpu_rsrv2 " << format("0x%04" PRIx32"x", fpu.fpu_rsrv2);
outs() << " fpu_dp " << format("0x%08" PRIx32"x", fpu.fpu_dp);
outs() << " fpu_ds " << format("0x%04" PRIx32"x", fpu.fpu_ds) << "\n";
outs() << "\t    fpu_rsrv3 " << format("0x%04" PRIx32"x", fpu.fpu_rsrv3);
outs() << " fpu_mxcsr " << format("0x%08" PRIx32"x", fpu.fpu_mxcsr);
outs() << " fpu_mxcsrmask " << format("0x%08" PRIx32"x", fpu.fpu_mxcsrmask);
outs() << "\n";
outs() << "\t    fpu_stmm0:\n";
Print_mmst_reg(fpu.fpu_stmm0);
outs() << "\t    fpu_stmm1:\n";
Print_mmst_reg(fpu.fpu_stmm1);
outs() << "\t    fpu_stmm2:\n";
Print_mmst_reg(fpu.fpu_stmm2);
outs() << "\t    fpu_stmm3:\n";
Print_mmst_reg(fpu.fpu_stmm3);
outs() << "\t    fpu_stmm4:\n";
Print_mmst_reg(fpu.fpu_stmm4);
outs() << "\t    fpu_stmm5:\n";
Print_mmst_reg(fpu.fpu_stmm5);
outs() << "\t    fpu_stmm6:\n";
Print_mmst_reg(fpu.fpu_stmm6);
outs() << "\t    fpu_stmm7:\n";
Print_mmst_reg(fpu.fpu_stmm7);
outs() << "\t    fpu_xmm0:\n";
Print_xmm_reg(fpu.fpu_xmm0);
outs() << "\t    fpu_xmm1:\n";
Print_xmm_reg(fpu.fpu_xmm1);
outs() << "\t    fpu_xmm2:\n";
Print_xmm_reg(fpu.fpu_xmm2);
outs() << "\t    fpu_xmm3:\n";
Print_xmm_reg(fpu.fpu_xmm3);
outs() << "\t    fpu_xmm4:\n";
Print_xmm_reg(fpu.fpu_xmm4);
outs() << "\t    fpu_xmm5:\n";
Print_xmm_reg(fpu.fpu_xmm5);
outs() << "\t    fpu_xmm6:\n";
Print_xmm_reg(fpu.fpu_xmm6);
outs() << "\t    fpu_xmm7:\n";
Print_xmm_reg(fpu.fpu_xmm7);
outs() << "\t    fpu_xmm8:\n";
Print_xmm_reg(fpu.fpu_xmm8);
outs() << "\t    fpu_xmm9:\n";
Print_xmm_reg(fpu.fpu_xmm9);
outs() << "\t    fpu_xmm10:\n";
Print_xmm_reg(fpu.fpu_xmm10);
outs() << "\t    fpu_xmm11:\n";
Print_xmm_reg(fpu.fpu_xmm11);
outs() << "\t    fpu_xmm12:\n";
Print_xmm_reg(fpu.fpu_xmm12);
outs() << "\t    fpu_xmm13:\n";
Print_xmm_reg(fpu.fpu_xmm13);
outs() << "\t    fpu_xmm14:\n";
Print_xmm_reg(fpu.fpu_xmm14);
outs() << "\t    fpu_xmm15:\n";
Print_xmm_reg(fpu.fpu_xmm15);
outs() << "\t    fpu_rsrv4:\n";
for (uint32_t f = 0; f < 6; f++) {
  outs() << "\t            ";
  for (uint32_t g = 0; g < 16; g++)
    outs() << format("%02" PRIx32"x", fpu.fpu_rsrv4[f * g]) << " ";
  outs() << "\n";
}
outs() << "\t    fpu_reserved1 " << format("0x%08" PRIx32"x", fpu.fpu_reserved1);
outs() << "\n";
9555}

9557static void Print_x86_exception_state_t(MachO::x86_exception_state64_t &exc64) {
outs() << "\t    trapno " << format("0x%08" PRIx32"x", exc64.trapno);
outs() << " err " << format("0x%08" PRIx32"x", exc64.err);
outs() << " faultvaddr " << format("0x%016" PRIx64"llx", exc64.faultvaddr) << "\n";
9561}

9563static void Print_arm_thread_state32_t(MachO::arm_thread_state32_t &cpu32) {
outs() << "\t    r0  " << format("0x%08" PRIx32"x", cpu32.r[0]);
outs() << " r1     "   << format("0x%08" PRIx32"x", cpu32.r[1]);
outs() << " r2  "      << format("0x%08" PRIx32"x", cpu32.r[2]);
outs() << " r3  "      << format("0x%08" PRIx32"x", cpu32.r[3]) << "\n";
outs() << "\t    r4  " << format("0x%08" PRIx32"x", cpu32.r[4]);
outs() << " r5     "   << format("0x%08" PRIx32"x", cpu32.r[5]);
outs() << " r6  "      << format("0x%08" PRIx32"x", cpu32.r[6]);
outs() << " r7  "      << format("0x%08" PRIx32"x", cpu32.r[7]) << "\n";
outs() << "\t    r8  " << format("0x%08" PRIx32"x", cpu32.r[8]);
outs() << " r9     "   << format("0x%08" PRIx32"x", cpu32.r[9]);
outs() << " r10 "      << format("0x%08" PRIx32"x", cpu32.r[10]);
outs() << " r11 "      << format("0x%08" PRIx32"x", cpu32.r[11]) << "\n";
outs() << "\t    r12 " << format("0x%08" PRIx32"x", cpu32.r[12]);
outs() << " sp     "   << format("0x%08" PRIx32"x", cpu32.sp);
outs() << " lr  "      << format("0x%08" PRIx32"x", cpu32.lr);
outs() << " pc  "      << format("0x%08" PRIx32"x", cpu32.pc) << "\n";
outs() << "\t   cpsr " << format("0x%08" PRIx32"x", cpu32.cpsr) << "\n";
9581}

9583static void Print_arm_thread_state64_t(MachO::arm_thread_state64_t &cpu64) {
outs() << "\t    x0  " << format("0x%016" PRIx64"llx", cpu64.x[0]);
outs() << " x1  "      << format("0x%016" PRIx64"llx", cpu64.x[1]);
outs() << " x2  "      << format("0x%016" PRIx64"llx", cpu64.x[2]) << "\n";
outs() << "\t    x3  " << format("0x%016" PRIx64"llx", cpu64.x[3]);
outs() << " x4  "      << format("0x%016" PRIx64"llx", cpu64.x[4]);
outs() << " x5  "      << format("0x%016" PRIx64"llx", cpu64.x[5]) << "\n";
outs() << "\t    x6  " << format("0x%016" PRIx64"llx", cpu64.x[6]);
outs() << " x7  "      << format("0x%016" PRIx64"llx", cpu64.x[7]);
outs() << " x8  "      << format("0x%016" PRIx64"llx", cpu64.x[8]) << "\n";
outs() << "\t    x9  " << format("0x%016" PRIx64"llx", cpu64.x[9]);
outs() << " x10 "      << format("0x%016" PRIx64"llx", cpu64.x[10]);
outs() << " x11 "      << format("0x%016" PRIx64"llx", cpu64.x[11]) << "\n";
outs() << "\t    x12 " << format("0x%016" PRIx64"llx", cpu64.x[12]);
outs() << " x13 "      << format("0x%016" PRIx64"llx", cpu64.x[13]);
outs() << " x14 "      << format("0x%016" PRIx64"llx", cpu64.x[14]) << "\n";
outs() << "\t    x15 " << format("0x%016" PRIx64"llx", cpu64.x[15]);
outs() << " x16 "      << format("0x%016" PRIx64"llx", cpu64.x[16]);
outs() << " x17 "      << format("0x%016" PRIx64"llx", cpu64.x[17]) << "\n";
outs() << "\t    x18 " << format("0x%016" PRIx64"llx", cpu64.x[18]);
outs() << " x19 "      << format("0x%016" PRIx64"llx", cpu64.x[19]);
outs() << " x20 "      << format("0x%016" PRIx64"llx", cpu64.x[20]) << "\n";
outs() << "\t    x21 " << format("0x%016" PRIx64"llx", cpu64.x[21]);
outs() << " x22 "      << format("0x%016" PRIx64"llx", cpu64.x[22]);
outs() << " x23 "      << format("0x%016" PRIx64"llx", cpu64.x[23]) << "\n";
outs() << "\t    x24 " << format("0x%016" PRIx64"llx", cpu64.x[24]);
outs() << " x25 "      << format("0x%016" PRIx64"llx", cpu64.x[25]);
outs() << " x26 "      << format("0x%016" PRIx64"llx", cpu64.x[26]) << "\n";
outs() << "\t    x27 " << format("0x%016" PRIx64"llx", cpu64.x[27]);
outs() << " x28 "      << format("0x%016" PRIx64"llx", cpu64.x[28]);
outs() << "  fp "      << format("0x%016" PRIx64"llx", cpu64.fp) << "\n";
outs() << "\t     lr " << format("0x%016" PRIx64"llx", cpu64.lr);
outs() << " sp  "      << format("0x%016" PRIx64"llx", cpu64.sp);
outs() << "  pc "      << format("0x%016" PRIx64"llx", cpu64.pc) << "\n";
outs() << "\t   cpsr " << format("0x%08"  PRIx32"x", cpu64.cpsr) << "\n";
9618}

9620static void PrintThreadCommand(MachO::thread_command t, const char *Ptr,
                             bool isLittleEndian, uint32_t cputype) {
if (t.cmd == MachO::LC_THREAD)
  outs() << "        cmd LC_THREAD\n";
else if (t.cmd == MachO::LC_UNIXTHREAD)
  outs() << "        cmd LC_UNIXTHREAD\n";
else
  outs() << "        cmd " << t.cmd << " (unknown)\n";
outs() << "    cmdsize " << t.cmdsize;
if (t.cmdsize < sizeof(struct MachO::thread_command) + 2 * sizeof(uint32_t))
  outs() << " Incorrect size\n";
else
  outs() << "\n";

const char *begin = Ptr + sizeof(struct MachO::thread_command);
const char *end = Ptr + t.cmdsize;
uint32_t flavor, count, left;
if (cputype == MachO::CPU_TYPE_I386) {
  while (begin < end) {
    if (end - begin > (ptrdiff_t)sizeof(uint32_t)) {
      memcpy((char *)&flavor, begin, sizeof(uint32_t));
      begin += sizeof(uint32_t);
    } else {
      flavor = 0;
      begin = end;
    }
    if (isLittleEndian != sys::IsLittleEndianHost)
      sys::swapByteOrder(flavor);
    if (end - begin > (ptrdiff_t)sizeof(uint32_t)) {
      memcpy((char *)&count, begin, sizeof(uint32_t));
      begin += sizeof(uint32_t);
    } else {
      count = 0;
      begin = end;
    }
    if (isLittleEndian != sys::IsLittleEndianHost)
      sys::swapByteOrder(count);
    if (flavor == MachO::x86_THREAD_STATE32) {
      outs() << "     flavor i386_THREAD_STATE\n";
      if (count == MachO::x86_THREAD_STATE32_COUNT)
        outs() << "      count i386_THREAD_STATE_COUNT\n";
      else
        outs() << "      count " << count
               << " (not x86_THREAD_STATE32_COUNT)\n";
      MachO::x86_thread_state32_t cpu32;
      left = end - begin;
      if (left >= sizeof(MachO::x86_thread_state32_t)) {
        memcpy(&cpu32, begin, sizeof(MachO::x86_thread_state32_t));
        begin += sizeof(MachO::x86_thread_state32_t);
      } else {
        memset(&cpu32, '\0', sizeof(MachO::x86_thread_state32_t));
        memcpy(&cpu32, begin, left);
        begin += left;
      }
      if (isLittleEndian != sys::IsLittleEndianHost)
        swapStruct(cpu32);
      Print_x86_thread_state32_t(cpu32);
    } else if (flavor == MachO::x86_THREAD_STATE) {
      outs() << "     flavor x86_THREAD_STATE\n";
      if (count == MachO::x86_THREAD_STATE_COUNT)
        outs() << "      count x86_THREAD_STATE_COUNT\n";
      else
        outs() << "      count " << count
               << " (not x86_THREAD_STATE_COUNT)\n";
      struct MachO::x86_thread_state_t ts;
      left = end - begin;
      if (left >= sizeof(MachO::x86_thread_state_t)) {
        memcpy(&ts, begin, sizeof(MachO::x86_thread_state_t));
        begin += sizeof(MachO::x86_thread_state_t);
      } else {
        memset(&ts, '\0', sizeof(MachO::x86_thread_state_t));
        memcpy(&ts, begin, left);
        begin += left;
      }
      if (isLittleEndian != sys::IsLittleEndianHost)
        swapStruct(ts);
      if (ts.tsh.flavor == MachO::x86_THREAD_STATE32) {
        outs() << "\t    tsh.flavor x86_THREAD_STATE32 ";
        if (ts.tsh.count == MachO::x86_THREAD_STATE32_COUNT)
          outs() << "tsh.count x86_THREAD_STATE32_COUNT\n";
        else
          outs() << "tsh.count " << ts.tsh.count
                 << " (not x86_THREAD_STATE32_COUNT\n";
        Print_x86_thread_state32_t(ts.uts.ts32);
      } else {
        outs() << "\t    tsh.flavor " << ts.tsh.flavor << "  tsh.count "
               << ts.tsh.count << "\n";
      }
    } else {
      outs() << "     flavor " << flavor << " (unknown)\n";
      outs() << "      count " << count << "\n";
      outs() << "      state (unknown)\n";
      begin += count * sizeof(uint32_t);
    }
  }
} else if (cputype == MachO::CPU_TYPE_X86_64) {
  while (begin < end) {
    if (end - begin > (ptrdiff_t)sizeof(uint32_t)) {
      memcpy((char *)&flavor, begin, sizeof(uint32_t));
      begin += sizeof(uint32_t);
    } else {
      flavor = 0;
      begin = end;
    }
    if (isLittleEndian != sys::IsLittleEndianHost)
      sys::swapByteOrder(flavor);
    if (end - begin > (ptrdiff_t)sizeof(uint32_t)) {
      memcpy((char *)&count, begin, sizeof(uint32_t));
      begin += sizeof(uint32_t);
    } else {
      count = 0;
      begin = end;
    }
    if (isLittleEndian != sys::IsLittleEndianHost)
      sys::swapByteOrder(count);
    if (flavor == MachO::x86_THREAD_STATE64) {
      outs() << "     flavor x86_THREAD_STATE64\n";
      if (count == MachO::x86_THREAD_STATE64_COUNT)
        outs() << "      count x86_THREAD_STATE64_COUNT\n";
      else
        outs() << "      count " << count
               << " (not x86_THREAD_STATE64_COUNT)\n";
      MachO::x86_thread_state64_t cpu64;
      left = end - begin;
      if (left >= sizeof(MachO::x86_thread_state64_t)) {
        memcpy(&cpu64, begin, sizeof(MachO::x86_thread_state64_t));
        begin += sizeof(MachO::x86_thread_state64_t);
      } else {
        memset(&cpu64, '\0', sizeof(MachO::x86_thread_state64_t));
        memcpy(&cpu64, begin, left);
        begin += left;
      }
      if (isLittleEndian != sys::IsLittleEndianHost)
        swapStruct(cpu64);
      Print_x86_thread_state64_t(cpu64);
    } else if (flavor == MachO::x86_THREAD_STATE) {
      outs() << "     flavor x86_THREAD_STATE\n";
      if (count == MachO::x86_THREAD_STATE_COUNT)
        outs() << "      count x86_THREAD_STATE_COUNT\n";
      else
        outs() << "      count " << count
               << " (not x86_THREAD_STATE_COUNT)\n";
      struct MachO::x86_thread_state_t ts;
      left = end - begin;
      if (left >= sizeof(MachO::x86_thread_state_t)) {
        memcpy(&ts, begin, sizeof(MachO::x86_thread_state_t));
        begin += sizeof(MachO::x86_thread_state_t);
      } else {
        memset(&ts, '\0', sizeof(MachO::x86_thread_state_t));
        memcpy(&ts, begin, left);
        begin += left;
      }
      if (isLittleEndian != sys::IsLittleEndianHost)
        swapStruct(ts);
      if (ts.tsh.flavor == MachO::x86_THREAD_STATE64) {
        outs() << "\t    tsh.flavor x86_THREAD_STATE64 ";
        if (ts.tsh.count == MachO::x86_THREAD_STATE64_COUNT)
          outs() << "tsh.count x86_THREAD_STATE64_COUNT\n";
        else
          outs() << "tsh.count " << ts.tsh.count
                 << " (not x86_THREAD_STATE64_COUNT\n";
        Print_x86_thread_state64_t(ts.uts.ts64);
      } else {
        outs() << "\t    tsh.flavor " << ts.tsh.flavor << "  tsh.count "
               << ts.tsh.count << "\n";
      }
    } else if (flavor == MachO::x86_FLOAT_STATE) {
      outs() << "     flavor x86_FLOAT_STATE\n";
      if (count == MachO::x86_FLOAT_STATE_COUNT)
        outs() << "      count x86_FLOAT_STATE_COUNT\n";
      else
        outs() << "      count " << count << " (not x86_FLOAT_STATE_COUNT)\n";
      struct MachO::x86_float_state_t fs;
      left = end - begin;
      if (left >= sizeof(MachO::x86_float_state_t)) {
        memcpy(&fs, begin, sizeof(MachO::x86_float_state_t));
        begin += sizeof(MachO::x86_float_state_t);
      } else {
        memset(&fs, '\0', sizeof(MachO::x86_float_state_t));
        memcpy(&fs, begin, left);
        begin += left;
      }
      if (isLittleEndian != sys::IsLittleEndianHost)
        swapStruct(fs);
      if (fs.fsh.flavor == MachO::x86_FLOAT_STATE64) {
        outs() << "\t    fsh.flavor x86_FLOAT_STATE64 ";
        if (fs.fsh.count == MachO::x86_FLOAT_STATE64_COUNT)
          outs() << "fsh.count x86_FLOAT_STATE64_COUNT\n";
        else
          outs() << "fsh.count " << fs.fsh.count
                 << " (not x86_FLOAT_STATE64_COUNT\n";
        Print_x86_float_state_t(fs.ufs.fs64);
      } else {
        outs() << "\t    fsh.flavor " << fs.fsh.flavor << "  fsh.count "
               << fs.fsh.count << "\n";
      }
    } else if (flavor == MachO::x86_EXCEPTION_STATE) {
      outs() << "     flavor x86_EXCEPTION_STATE\n";
      if (count == MachO::x86_EXCEPTION_STATE_COUNT)
        outs() << "      count x86_EXCEPTION_STATE_COUNT\n";
      else
        outs() << "      count " << count
               << " (not x86_EXCEPTION_STATE_COUNT)\n";
      struct MachO::x86_exception_state_t es;
      left = end - begin;
      if (left >= sizeof(MachO::x86_exception_state_t)) {
        memcpy(&es, begin, sizeof(MachO::x86_exception_state_t));
        begin += sizeof(MachO::x86_exception_state_t);
      } else {
        memset(&es, '\0', sizeof(MachO::x86_exception_state_t));
        memcpy(&es, begin, left);
        begin += left;
      }
      if (isLittleEndian != sys::IsLittleEndianHost)
        swapStruct(es);
      if (es.esh.flavor == MachO::x86_EXCEPTION_STATE64) {
        outs() << "\t    esh.flavor x86_EXCEPTION_STATE64\n";
        if (es.esh.count == MachO::x86_EXCEPTION_STATE64_COUNT)
          outs() << "\t    esh.count x86_EXCEPTION_STATE64_COUNT\n";
        else
          outs() << "\t    esh.count " << es.esh.count
                 << " (not x86_EXCEPTION_STATE64_COUNT\n";
        Print_x86_exception_state_t(es.ues.es64);
      } else {
        outs() << "\t    esh.flavor " << es.esh.flavor << "  esh.count "
               << es.esh.count << "\n";
      }
    } else if (flavor == MachO::x86_EXCEPTION_STATE64) {
      outs() << "     flavor x86_EXCEPTION_STATE64\n";
      if (count == MachO::x86_EXCEPTION_STATE64_COUNT)
        outs() << "      count x86_EXCEPTION_STATE64_COUNT\n";
      else
        outs() << "      count " << count
               << " (not x86_EXCEPTION_STATE64_COUNT)\n";
      struct MachO::x86_exception_state64_t es64;
      left = end - begin;
      if (left >= sizeof(MachO::x86_exception_state64_t)) {
        memcpy(&es64, begin, sizeof(MachO::x86_exception_state64_t));
        begin += sizeof(MachO::x86_exception_state64_t);
      } else {
        memset(&es64, '\0', sizeof(MachO::x86_exception_state64_t));
        memcpy(&es64, begin, left);
        begin += left;
      }
      if (isLittleEndian != sys::IsLittleEndianHost)
        swapStruct(es64);
      Print_x86_exception_state_t(es64);
    } else {
      outs() << "     flavor " << flavor << " (unknown)\n";
      outs() << "      count " << count << "\n";
      outs() << "      state (unknown)\n";
      begin += count * sizeof(uint32_t);
    }
  }
} else if (cputype == MachO::CPU_TYPE_ARM) {
  while (begin < end) {
    if (end - begin > (ptrdiff_t)sizeof(uint32_t)) {
      memcpy((char *)&flavor, begin, sizeof(uint32_t));
      begin += sizeof(uint32_t);
    } else {
      flavor = 0;
      begin = end;
    }
    if (isLittleEndian != sys::IsLittleEndianHost)
      sys::swapByteOrder(flavor);
    if (end - begin > (ptrdiff_t)sizeof(uint32_t)) {
      memcpy((char *)&count, begin, sizeof(uint32_t));
      begin += sizeof(uint32_t);
    } else {
      count = 0;
      begin = end;
    }
    if (isLittleEndian != sys::IsLittleEndianHost)
      sys::swapByteOrder(count);
    if (flavor == MachO::ARM_THREAD_STATE) {
      outs() << "     flavor ARM_THREAD_STATE\n";
      if (count == MachO::ARM_THREAD_STATE_COUNT)
        outs() << "      count ARM_THREAD_STATE_COUNT\n";
      else
        outs() << "      count " << count
               << " (not ARM_THREAD_STATE_COUNT)\n";
      MachO::arm_thread_state32_t cpu32;
      left = end - begin;
      if (left >= sizeof(MachO::arm_thread_state32_t)) {
        memcpy(&cpu32, begin, sizeof(MachO::arm_thread_state32_t));
        begin += sizeof(MachO::arm_thread_state32_t);
      } else {
        memset(&cpu32, '\0', sizeof(MachO::arm_thread_state32_t));
        memcpy(&cpu32, begin, left);
        begin += left;
      }
      if (isLittleEndian != sys::IsLittleEndianHost)
        swapStruct(cpu32);
      Print_arm_thread_state32_t(cpu32);
    } else {
      outs() << "     flavor " << flavor << " (unknown)\n";
      outs() << "      count " << count << "\n";
      outs() << "      state (unknown)\n";
      begin += count * sizeof(uint32_t);
    }
  }
} else if (cputype == MachO::CPU_TYPE_ARM64 ||
           cputype == MachO::CPU_TYPE_ARM64_32) {
  while (begin < end) {
    if (end - begin > (ptrdiff_t)sizeof(uint32_t)) {
      memcpy((char *)&flavor, begin, sizeof(uint32_t));
      begin += sizeof(uint32_t);
    } else {
      flavor = 0;
      begin = end;
    }
    if (isLittleEndian != sys::IsLittleEndianHost)
      sys::swapByteOrder(flavor);
    if (end - begin > (ptrdiff_t)sizeof(uint32_t)) {
      memcpy((char *)&count, begin, sizeof(uint32_t));
      begin += sizeof(uint32_t);
    } else {
      count = 0;
      begin = end;
    }
    if (isLittleEndian != sys::IsLittleEndianHost)
      sys::swapByteOrder(count);
    if (flavor == MachO::ARM_THREAD_STATE64) {
      outs() << "     flavor ARM_THREAD_STATE64\n";
      if (count == MachO::ARM_THREAD_STATE64_COUNT)
        outs() << "      count ARM_THREAD_STATE64_COUNT\n";
      else
        outs() << "      count " << count
               << " (not ARM_THREAD_STATE64_COUNT)\n";
      MachO::arm_thread_state64_t cpu64;
      left = end - begin;
      if (left >= sizeof(MachO::arm_thread_state64_t)) {
        memcpy(&cpu64, begin, sizeof(MachO::arm_thread_state64_t));
        begin += sizeof(MachO::arm_thread_state64_t);
      } else {
        memset(&cpu64, '\0', sizeof(MachO::arm_thread_state64_t));
        memcpy(&cpu64, begin, left);
        begin += left;
      }
      if (isLittleEndian != sys::IsLittleEndianHost)
        swapStruct(cpu64);
      Print_arm_thread_state64_t(cpu64);
    } else {
      outs() << "     flavor " << flavor << " (unknown)\n";
      outs() << "      count " << count << "\n";
      outs() << "      state (unknown)\n";
      begin += count * sizeof(uint32_t);
    }
  }
} else {
  while (begin < end) {
    if (end - begin > (ptrdiff_t)sizeof(uint32_t)) {
      memcpy((char *)&flavor, begin, sizeof(uint32_t));
      begin += sizeof(uint32_t);
    } else {
      flavor = 0;
      begin = end;
    }
    if (isLittleEndian != sys::IsLittleEndianHost)
      sys::swapByteOrder(flavor);
    if (end - begin > (ptrdiff_t)sizeof(uint32_t)) {
      memcpy((char *)&count, begin, sizeof(uint32_t));
      begin += sizeof(uint32_t);
    } else {
      count = 0;
      begin = end;
    }
    if (isLittleEndian != sys::IsLittleEndianHost)
      sys::swapByteOrder(count);
    outs() << "     flavor " << flavor << "\n";
    outs() << "      count " << count << "\n";
    outs() << "      state (Unknown cputype/cpusubtype)\n";
    begin += count * sizeof(uint32_t);
  }
}
9995}

9997static void PrintDylibCommand(MachO::dylib_command dl, const char *Ptr) {
if (dl.cmd == MachO::LC_ID_DYLIB)
  outs() << "          cmd LC_ID_DYLIB\n";
else if (dl.cmd == MachO::LC_LOAD_DYLIB)
  outs() << "          cmd LC_LOAD_DYLIB\n";
else if (dl.cmd == MachO::LC_LOAD_WEAK_DYLIB)
  outs() << "          cmd LC_LOAD_WEAK_DYLIB\n";
else if (dl.cmd == MachO::LC_REEXPORT_DYLIB)
  outs() << "          cmd LC_REEXPORT_DYLIB\n";
else if (dl.cmd == MachO::LC_LAZY_LOAD_DYLIB)
  outs() << "          cmd LC_LAZY_LOAD_DYLIB\n";
else if (dl.cmd == MachO::LC_LOAD_UPWARD_DYLIB)
  outs() << "          cmd LC_LOAD_UPWARD_DYLIB\n";
else
  outs() << "          cmd " << dl.cmd << " (unknown)\n";
outs() << "      cmdsize " << dl.cmdsize;
if (dl.cmdsize < sizeof(struct MachO::dylib_command))
  outs() << " Incorrect size\n";
else
  outs() << "\n";
if (dl.dylib.name < dl.cmdsize) {
  const char *P = (const char *)(Ptr) + dl.dylib.name;
  outs() << "         name " << P << " (offset " << dl.dylib.name << ")\n";
} else {
  outs() << "         name ?(bad offset " << dl.dylib.name << ")\n";
}
outs() << "   time stamp " << dl.dylib.timestamp << " ";
time_t t = dl.dylib.timestamp;
outs() << ctime(&t);
outs() << "      current version ";
if (dl.dylib.current_version == 0xffffffff)
  outs() << "n/a\n";
else
  outs() << ((dl.dylib.current_version >> 16) & 0xffff) << "."
         << ((dl.dylib.current_version >> 8) & 0xff) << "."
         << (dl.dylib.current_version & 0xff) << "\n";
outs() << "compatibility version ";
if (dl.dylib.compatibility_version == 0xffffffff)
  outs() << "n/a\n";
else
  outs() << ((dl.dylib.compatibility_version >> 16) & 0xffff) << "."
         << ((dl.dylib.compatibility_version >> 8) & 0xff) << "."
         << (dl.dylib.compatibility_version & 0xff) << "\n";
10040}

10042static void PrintLinkEditDataCommand(MachO::linkedit_data_command ld,
                                   uint32_t object_size) {
if (ld.cmd == MachO::LC_CODE_SIGNATURE)
  outs() << "      cmd LC_CODE_SIGNATURE\n";
else if (ld.cmd == MachO::LC_SEGMENT_SPLIT_INFO)
  outs() << "      cmd LC_SEGMENT_SPLIT_INFO\n";
else if (ld.cmd == MachO::LC_FUNCTION_STARTS)
  outs() << "      cmd LC_FUNCTION_STARTS\n";
else if (ld.cmd == MachO::LC_DATA_IN_CODE)
  outs() << "      cmd LC_DATA_IN_CODE\n";
else if (ld.cmd == MachO::LC_DYLIB_CODE_SIGN_DRS)
  outs() << "      cmd LC_DYLIB_CODE_SIGN_DRS\n";
else if (ld.cmd == MachO::LC_LINKER_OPTIMIZATION_HINT)
  outs() << "      cmd LC_LINKER_OPTIMIZATION_HINT\n";
else
  outs() << "      cmd " << ld.cmd << " (?)\n";
outs() << "  cmdsize " << ld.cmdsize;
if (ld.cmdsize != sizeof(struct MachO::linkedit_data_command))
  outs() << " Incorrect size\n";
else
  outs() << "\n";
outs() << "  dataoff " << ld.dataoff;
if (ld.dataoff > object_size)
  outs() << " (past end of file)\n";
else
  outs() << "\n";
outs() << " datasize " << ld.datasize;
uint64_t big_size = ld.dataoff;
big_size += ld.datasize;
if (big_size > object_size)
  outs() << " (past end of file)\n";
else
  outs() << "\n";
10075}

10077static void PrintLoadCommands(const MachOObjectFile *Obj, uint32_t filetype,
                            uint32_t cputype, bool verbose) {
StringRef Buf = Obj->getData();
unsigned Index = 0;
for (const auto &Command : Obj->load_commands()) {
  outs() << "Load command " << Index++ << "\n";
  if (Command.C.cmd == MachO::LC_SEGMENT) {
    MachO::segment_command SLC = Obj->getSegmentLoadCommand(Command);
    const char *sg_segname = SLC.segname;
    PrintSegmentCommand(SLC.cmd, SLC.cmdsize, SLC.segname, SLC.vmaddr,
                        SLC.vmsize, SLC.fileoff, SLC.filesize, SLC.maxprot,
                        SLC.initprot, SLC.nsects, SLC.flags, Buf.size(),
                        verbose);
    for (unsigned j = 0; j < SLC.nsects; j++) {
      MachO::section S = Obj->getSection(Command, j);
      PrintSection(S.sectname, S.segname, S.addr, S.size, S.offset, S.align,
                   S.reloff, S.nreloc, S.flags, S.reserved1, S.reserved2,
                   SLC.cmd, sg_segname, filetype, Buf.size(), verbose);
    }
  } else if (Command.C.cmd == MachO::LC_SEGMENT_64) {
    MachO::segment_command_64 SLC_64 = Obj->getSegment64LoadCommand(Command);
    const char *sg_segname = SLC_64.segname;
    PrintSegmentCommand(SLC_64.cmd, SLC_64.cmdsize, SLC_64.segname,
                        SLC_64.vmaddr, SLC_64.vmsize, SLC_64.fileoff,
                        SLC_64.filesize, SLC_64.maxprot, SLC_64.initprot,
                        SLC_64.nsects, SLC_64.flags, Buf.size(), verbose);
    for (unsigned j = 0; j < SLC_64.nsects; j++) {
      MachO::section_64 S_64 = Obj->getSection64(Command, j);
      PrintSection(S_64.sectname, S_64.segname, S_64.addr, S_64.size,
                   S_64.offset, S_64.align, S_64.reloff, S_64.nreloc,
                   S_64.flags, S_64.reserved1, S_64.reserved2, SLC_64.cmd,
                   sg_segname, filetype, Buf.size(), verbose);
    }
  } else if (Command.C.cmd == MachO::LC_SYMTAB) {
    MachO::symtab_command Symtab = Obj->getSymtabLoadCommand();
    PrintSymtabLoadCommand(Symtab, Obj->is64Bit(), Buf.size());
  } else if (Command.C.cmd == MachO::LC_DYSYMTAB) {
    MachO::dysymtab_command Dysymtab = Obj->getDysymtabLoadCommand();
    MachO::symtab_command Symtab = Obj->getSymtabLoadCommand();
    PrintDysymtabLoadCommand(Dysymtab, Symtab.nsyms, Buf.size(),
                             Obj->is64Bit());
  } else if (Command.C.cmd == MachO::LC_DYLD_INFO ||
             Command.C.cmd == MachO::LC_DYLD_INFO_ONLY) {
    MachO::dyld_info_command DyldInfo = Obj->getDyldInfoLoadCommand(Command);
    PrintDyldInfoLoadCommand(DyldInfo, Buf.size());
  } else if (Command.C.cmd == MachO::LC_LOAD_DYLINKER ||
             Command.C.cmd == MachO::LC_ID_DYLINKER ||
             Command.C.cmd == MachO::LC_DYLD_ENVIRONMENT) {
    MachO::dylinker_command Dyld = Obj->getDylinkerCommand(Command);
    PrintDyldLoadCommand(Dyld, Command.Ptr);
  } else if (Command.C.cmd == MachO::LC_UUID) {
    MachO::uuid_command Uuid = Obj->getUuidCommand(Command);
    PrintUuidLoadCommand(Uuid);
  } else if (Command.C.cmd == MachO::LC_RPATH) {
    MachO::rpath_command Rpath = Obj->getRpathCommand(Command);
    PrintRpathLoadCommand(Rpath, Command.Ptr);
  } else if (Command.C.cmd == MachO::LC_VERSION_MIN_MACOSX ||
             Command.C.cmd == MachO::LC_VERSION_MIN_IPHONEOS ||
             Command.C.cmd == MachO::LC_VERSION_MIN_TVOS ||
             Command.C.cmd == MachO::LC_VERSION_MIN_WATCHOS) {
    MachO::version_min_command Vd = Obj->getVersionMinLoadCommand(Command);
    PrintVersionMinLoadCommand(Vd);
  } else if (Command.C.cmd == MachO::LC_NOTE) {
    MachO::note_command Nt = Obj->getNoteLoadCommand(Command);
    PrintNoteLoadCommand(Nt);
  } else if (Command.C.cmd == MachO::LC_BUILD_VERSION) {
    MachO::build_version_command Bv =
        Obj->getBuildVersionLoadCommand(Command);
    PrintBuildVersionLoadCommand(Obj, Bv);
  } else if (Command.C.cmd == MachO::LC_SOURCE_VERSION) {
    MachO::source_version_command Sd = Obj->getSourceVersionCommand(Command);
    PrintSourceVersionCommand(Sd);
  } else if (Command.C.cmd == MachO::LC_MAIN) {
    MachO::entry_point_command Ep = Obj->getEntryPointCommand(Command);
    PrintEntryPointCommand(Ep);
  } else if (Command.C.cmd == MachO::LC_ENCRYPTION_INFO) {
    MachO::encryption_info_command Ei =
        Obj->getEncryptionInfoCommand(Command);
    PrintEncryptionInfoCommand(Ei, Buf.size());
  } else if (Command.C.cmd == MachO::LC_ENCRYPTION_INFO_64) {
    MachO::encryption_info_command_64 Ei =
        Obj->getEncryptionInfoCommand64(Command);
    PrintEncryptionInfoCommand64(Ei, Buf.size());
  } else if (Command.C.cmd == MachO::LC_LINKER_OPTION) {
    MachO::linker_option_command Lo =
        Obj->getLinkerOptionLoadCommand(Command);
    PrintLinkerOptionCommand(Lo, Command.Ptr);
  } else if (Command.C.cmd == MachO::LC_SUB_FRAMEWORK) {
    MachO::sub_framework_command Sf = Obj->getSubFrameworkCommand(Command);
    PrintSubFrameworkCommand(Sf, Command.Ptr);
  } else if (Command.C.cmd == MachO::LC_SUB_UMBRELLA) {
    MachO::sub_umbrella_command Sf = Obj->getSubUmbrellaCommand(Command);
    PrintSubUmbrellaCommand(Sf, Command.Ptr);
  } else if (Command.C.cmd == MachO::LC_SUB_LIBRARY) {
    MachO::sub_library_command Sl = Obj->getSubLibraryCommand(Command);
    PrintSubLibraryCommand(Sl, Command.Ptr);
  } else if (Command.C.cmd == MachO::LC_SUB_CLIENT) {
    MachO::sub_client_command Sc = Obj->getSubClientCommand(Command);
    PrintSubClientCommand(Sc, Command.Ptr);
  } else if (Command.C.cmd == MachO::LC_ROUTINES) {
    MachO::routines_command Rc = Obj->getRoutinesCommand(Command);
    PrintRoutinesCommand(Rc);
  } else if (Command.C.cmd == MachO::LC_ROUTINES_64) {
    MachO::routines_command_64 Rc = Obj->getRoutinesCommand64(Command);
    PrintRoutinesCommand64(Rc);
  } else if (Command.C.cmd == MachO::LC_THREAD ||
             Command.C.cmd == MachO::LC_UNIXTHREAD) {
    MachO::thread_command Tc = Obj->getThreadCommand(Command);
    PrintThreadCommand(Tc, Command.Ptr, Obj->isLittleEndian(), cputype);
  } else if (Command.C.cmd == MachO::LC_LOAD_DYLIB ||
             Command.C.cmd == MachO::LC_ID_DYLIB ||
             Command.C.cmd == MachO::LC_LOAD_WEAK_DYLIB ||
             Command.C.cmd == MachO::LC_REEXPORT_DYLIB ||
             Command.C.cmd == MachO::LC_LAZY_LOAD_DYLIB ||
             Command.C.cmd == MachO::LC_LOAD_UPWARD_DYLIB) {
    MachO::dylib_command Dl = Obj->getDylibIDLoadCommand(Command);
    PrintDylibCommand(Dl, Command.Ptr);
  } else if (Command.C.cmd == MachO::LC_CODE_SIGNATURE ||
             Command.C.cmd == MachO::LC_SEGMENT_SPLIT_INFO ||
             Command.C.cmd == MachO::LC_FUNCTION_STARTS ||
             Command.C.cmd == MachO::LC_DATA_IN_CODE ||
             Command.C.cmd == MachO::LC_DYLIB_CODE_SIGN_DRS ||
             Command.C.cmd == MachO::LC_LINKER_OPTIMIZATION_HINT) {
    MachO::linkedit_data_command Ld =
        Obj->getLinkeditDataLoadCommand(Command);
    PrintLinkEditDataCommand(Ld, Buf.size());
  } else {
    outs() << "      cmd ?(" << format("0x%08" PRIx32"x", Command.C.cmd)
           << ")\n";
    outs() << "  cmdsize " << Command.C.cmdsize << "\n";
    // TODO: get and print the raw bytes of the load command.
  }
  // TODO: print all the other kinds of load commands.
}
10211}

10213static void PrintMachHeader(const MachOObjectFile *Obj, bool verbose) {
if (Obj->is64Bit()) {
  MachO::mach_header_64 H_64;
  H_64 = Obj->getHeader64();
  PrintMachHeader(H_64.magic, H_64.cputype, H_64.cpusubtype, H_64.filetype,
                  H_64.ncmds, H_64.sizeofcmds, H_64.flags, verbose);
} else {
  MachO::mach_header H;
  H = Obj->getHeader();
  PrintMachHeader(H.magic, H.cputype, H.cpusubtype, H.filetype, H.ncmds,
                  H.sizeofcmds, H.flags, verbose);
}
10225}

10227void objdump::printMachOFileHeader(const object::ObjectFile *Obj) {
const MachOObjectFile *file = dyn_cast<const MachOObjectFile>(Obj);
PrintMachHeader(file, Verbose);
10230}

10232void objdump::printMachOLoadCommands(const object::ObjectFile *Obj) {
const MachOObjectFile *file = dyn_cast<const MachOObjectFile>(Obj);
uint32_t filetype = 0;
uint32_t cputype = 0;
if (file->is64Bit()) {
  MachO::mach_header_64 H_64;
  H_64 = file->getHeader64();
  filetype = H_64.filetype;
  cputype = H_64.cputype;
} else {
  MachO::mach_header H;
  H = file->getHeader();
  filetype = H.filetype;
  cputype = H.cputype;
}
PrintLoadCommands(file, filetype, cputype, Verbose);
10248}

10250//===----------------------------------------------------------------------===//
10251// export trie dumping
10252//===----------------------------------------------------------------------===//

10254static void printMachOExportsTrie(const object::MachOObjectFile *Obj) {
uint64_t BaseSegmentAddress = 0;
for (const auto &Command : Obj->load_commands()) {
  if (Command.C.cmd == MachO::LC_SEGMENT) {
    MachO::segment_command Seg = Obj->getSegmentLoadCommand(Command);
    if (Seg.fileoff == 0 && Seg.filesize != 0) {
      BaseSegmentAddress = Seg.vmaddr;
      break;
    }
  } else if (Command.C.cmd == MachO::LC_SEGMENT_64) {
    MachO::segment_command_64 Seg = Obj->getSegment64LoadCommand(Command);
    if (Seg.fileoff == 0 && Seg.filesize != 0) {
      BaseSegmentAddress = Seg.vmaddr;
      break;
    }
  }
}
Error Err = Error::success();
for (const object::ExportEntry &Entry : Obj->exports(Err)) {
  uint64_t Flags = Entry.flags();
  bool ReExport = (Flags & MachO::EXPORT_SYMBOL_FLAGS_REEXPORT);
  bool WeakDef = (Flags & MachO::EXPORT_SYMBOL_FLAGS_WEAK_DEFINITION);
  bool ThreadLocal = ((Flags & MachO::EXPORT_SYMBOL_FLAGS_KIND_MASK) ==
                      MachO::EXPORT_SYMBOL_FLAGS_KIND_THREAD_LOCAL);
  bool Abs = ((Flags & MachO::EXPORT_SYMBOL_FLAGS_KIND_MASK) ==
              MachO::EXPORT_SYMBOL_FLAGS_KIND_ABSOLUTE);
  bool Resolver = (Flags & MachO::EXPORT_SYMBOL_FLAGS_STUB_AND_RESOLVER);
  if (ReExport)
    outs() << "[re-export] ";
  else
    outs() << format("0x%08llX  ",
                     Entry.address() + BaseSegmentAddress);
  outs() << Entry.name();
  if (WeakDef || ThreadLocal || Resolver || Abs) {
    ListSeparator LS;
    outs() << " [";
    if (WeakDef)
      outs() << LS << "weak_def";
    if (ThreadLocal)
      outs() << LS << "per-thread";
    if (Abs)
      outs() << LS << "absolute";
    if (Resolver)
      outs() << LS << format("resolver=0x%08llX", Entry.other());
    outs() << "]";
  }
  if (ReExport) {
    StringRef DylibName = "unknown";
    int Ordinal = Entry.other() - 1;
    Obj->getLibraryShortNameByIndex(Ordinal, DylibName);
    if (Entry.otherName().empty())
      outs() << " (from " << DylibName << ")";
    else
      outs() << " (" << Entry.otherName() << " from " << DylibName << ")";
  }
  outs() << "\n";
}
if (Err)
  reportError(std::move(Err), Obj->getFileName());
10313}

10315//===----------------------------------------------------------------------===//
10316// rebase table dumping
10317//===----------------------------------------------------------------------===//

10319static void printMachORebaseTable(object::MachOObjectFile *Obj) {
outs() << "segment  section            address     type\n";
Error Err = Error::success();
for (const object::MachORebaseEntry &Entry : Obj->rebaseTable(Err)) {
  StringRef SegmentName = Entry.segmentName();
  StringRef SectionName = Entry.sectionName();
  uint64_t Address = Entry.address();

  // Table lines look like: __DATA  __nl_symbol_ptr  0x0000F00C  pointer
  outs() << format("%-8s %-18s 0x%08" PRIX64"llX" "  %s\n",
                   SegmentName.str().c_str(), SectionName.str().c_str(),
                   Address, Entry.typeName().str().c_str());
}
if (Err)
  reportError(std::move(Err), Obj->getFileName());
10334}

10336static StringRef ordinalName(const object::MachOObjectFile *Obj, int Ordinal) {
StringRef DylibName;
switch (Ordinal) {
case MachO::BIND_SPECIAL_DYLIB_SELF:
  return "this-image";
case MachO::BIND_SPECIAL_DYLIB_MAIN_EXECUTABLE:
  return "main-executable";
case MachO::BIND_SPECIAL_DYLIB_FLAT_LOOKUP:
  return "flat-namespace";
default:
  if (Ordinal > 0) {
    std::error_code EC =
        Obj->getLibraryShortNameByIndex(Ordinal - 1, DylibName);
    if (EC)
      return "<<bad library ordinal>>";
    return DylibName;
  }
}
return "<<unknown special ordinal>>";
10355}

10357//===----------------------------------------------------------------------===//
10358// bind table dumping
10359//===----------------------------------------------------------------------===//

10361static void printMachOBindTable(object::MachOObjectFile *Obj) {
// Build table of sections so names can used in final output.
outs() << "segment  section            address    type       "
          "addend dylib            symbol\n";
Error Err = Error::success();
for (const object::MachOBindEntry &Entry : Obj->bindTable(Err)) {
  StringRef SegmentName = Entry.segmentName();
  StringRef SectionName = Entry.sectionName();
  uint64_t Address = Entry.address();

  // Table lines look like:
  //  __DATA  __got  0x00012010    pointer   0 libSystem ___stack_chk_guard
  StringRef Attr;
  if (Entry.flags() & MachO::BIND_SYMBOL_FLAGS_WEAK_IMPORT)
    Attr = " (weak_import)";
  outs() << left_justify(SegmentName, 8) << " "
         << left_justify(SectionName, 18) << " "
         << format_hex(Address, 10, true) << " "
         << left_justify(Entry.typeName(), 8) << " "
         << format_decimal(Entry.addend(), 8) << " "
         << left_justify(ordinalName(Obj, Entry.ordinal()), 16) << " "
         << Entry.symbolName() << Attr << "\n";
}
if (Err)
  reportError(std::move(Err), Obj->getFileName());
10386}

10388//===----------------------------------------------------------------------===//
10389// lazy bind table dumping
10390//===----------------------------------------------------------------------===//

10392static void printMachOLazyBindTable(object::MachOObjectFile *Obj) {
outs() << "segment  section            address     "
          "dylib            symbol\n";
Error Err = Error::success();
for (const object::MachOBindEntry &Entry : Obj->lazyBindTable(Err)) {
  StringRef SegmentName = Entry.segmentName();
  StringRef SectionName = Entry.sectionName();
  uint64_t Address = Entry.address();

  // Table lines look like:
  //  __DATA  __got  0x00012010 libSystem ___stack_chk_guard
  outs() << left_justify(SegmentName, 8) << " "
         << left_justify(SectionName, 18) << " "
         << format_hex(Address, 10, true) << " "
         << left_justify(ordinalName(Obj, Entry.ordinal()), 16) << " "
         << Entry.symbolName() << "\n";
}
if (Err)
  reportError(std::move(Err), Obj->getFileName());
10411}

10413//===----------------------------------------------------------------------===//
10414// weak bind table dumping
10415//===----------------------------------------------------------------------===//

10417static void printMachOWeakBindTable(object::MachOObjectFile *Obj) {
outs() << "segment  section            address     "
          "type       addend   symbol\n";
Error Err = Error::success();
for (const object::MachOBindEntry &Entry : Obj->weakBindTable(Err)) {
  // Strong symbols don't have a location to update.
  if (Entry.flags() & MachO::BIND_SYMBOL_FLAGS_NON_WEAK_DEFINITION) {
    outs() << "                                        strong              "
           << Entry.symbolName() << "\n";
    continue;
  }
  StringRef SegmentName = Entry.segmentName();
  StringRef SectionName = Entry.sectionName();
  uint64_t Address = Entry.address();

  // Table lines look like:
  // __DATA  __data  0x00001000  pointer    0   _foo
  outs() << left_justify(SegmentName, 8) << " "
         << left_justify(SectionName, 18) << " "
         << format_hex(Address, 10, true) << " "
         << left_justify(Entry.typeName(), 8) << " "
         << format_decimal(Entry.addend(), 8) << "   " << Entry.symbolName()
         << "\n";
}
if (Err)
  reportError(std::move(Err), Obj->getFileName());
10443}

10445// get_dyld_bind_info_symbolname() is used for disassembly and passed an
10446// address, ReferenceValue, in the Mach-O file and looks in the dyld bind
10447// information for that address. If the address is found its binding symbol
10448// name is returned.  If not nullptr is returned.
10449static const char *get_dyld_bind_info_symbolname(uint64_t ReferenceValue,
                                               struct DisassembleInfo *info) {
if (info->bindtable == nullptr) {
  info->bindtable = std::make_unique<SymbolAddressMap>();
  Error Err = Error::success();
  for (const object::MachOBindEntry &Entry : info->O->bindTable(Err)) {
    uint64_t Address = Entry.address();
    StringRef name = Entry.symbolName();
    if (!name.empty())
      (*info->bindtable)[Address] = name;
  }
  if (Err)
    reportError(std::move(Err), info->O->getFileName());
}
auto name = info->bindtable->lookup(ReferenceValue);
return !name.empty() ? name.data() : nullptr;
10465}

10467void objdump::printLazyBindTable(ObjectFile *o) {
outs() << "\nLazy bind table:\n";
if (MachOObjectFile *MachO = dyn_cast<MachOObjectFile>(o))
  printMachOLazyBindTable(MachO);
else
  WithColor::error()
      << "This operation is only currently supported "
         "for Mach-O executable files.\n";
10475}

10477void objdump::printWeakBindTable(ObjectFile *o) {
outs() << "\nWeak bind table:\n";
if (MachOObjectFile *MachO = dyn_cast<MachOObjectFile>(o))
  printMachOWeakBindTable(MachO);
else
  WithColor::error()
      << "This operation is only currently supported "
         "for Mach-O executable files.\n";
10485}

10487void objdump::printExportsTrie(const ObjectFile *o) {
outs() << "\nExports trie:\n";
if (const MachOObjectFile *MachO = dyn_cast<MachOObjectFile>(o))
  printMachOExportsTrie(MachO);
else
  WithColor::error()
      << "This operation is only currently supported "
         "for Mach-O executable files.\n";
10495}

10497void objdump::printRebaseTable(ObjectFile *o) {
outs() << "\nRebase table:\n";
if (MachOObjectFile *MachO = dyn_cast<MachOObjectFile>(o))
  printMachORebaseTable(MachO);
else
  WithColor::error()
      << "This operation is only currently supported "
         "for Mach-O executable files.\n";
10505}

10507void objdump::printBindTable(ObjectFile *o) {
outs() << "\nBind table:\n";
if (MachOObjectFile *MachO = dyn_cast<MachOObjectFile>(o))
  printMachOBindTable(MachO);
else
  WithColor::error()
      << "This operation is only currently supported "
         "for Mach-O executable files.\n";
10515}

←

/usr/src/gnu/usr.bin/clang/llvm-objdump/../../../llvm/llvm/include/llvm/Object/ObjectFile.h

1//===- ObjectFile.h - File format independent object file -------*- C++ -*-===//
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 declares a file format independent ObjectFile class.
10//
11//===----------------------------------------------------------------------===//

13#ifndef LLVM_OBJECT_OBJECTFILE_H
14#define LLVM_OBJECT_OBJECTFILE_H

16#include "llvm/ADT/DenseMapInfo.h"
17#include "llvm/ADT/StringRef.h"
18#include "llvm/ADT/Triple.h"
19#include "llvm/ADT/iterator_range.h"
20#include "llvm/BinaryFormat/Magic.h"
21#include "llvm/Object/Binary.h"
22#include "llvm/Object/Error.h"
23#include "llvm/Object/SymbolicFile.h"
24#include "llvm/Support/Casting.h"
25#include "llvm/Support/Error.h"
26#include "llvm/Support/MemoryBuffer.h"
27#include <cassert>
28#include <cstdint>
29#include <memory>
30#include <system_error>

32namespace llvm {

34class ARMAttributeParser;
35class SubtargetFeatures;

37namespace object {

39class COFFObjectFile;
40class MachOObjectFile;
41class ObjectFile;
42class SectionRef;
43class SymbolRef;
44class symbol_iterator;
45class WasmObjectFile;

47using section_iterator = content_iterator<SectionRef>;

49/// This is a value type class that represents a single relocation in the list
50/// of relocations in the object file.
51class RelocationRef {
DataRefImpl RelocationPimpl;
const ObjectFile *OwningObject = nullptr;

55public:
RelocationRef() = default;
RelocationRef(DataRefImpl RelocationP, const ObjectFile *Owner);

bool operator==(const RelocationRef &Other) const;

void moveNext();

uint64_t getOffset() const;
symbol_iterator getSymbol() const;
uint64_t getType() const;

/// Get a string that represents the type of this relocation.
///
/// This is for display purposes only.
void getTypeName(SmallVectorImpl<char> &Result) const;

DataRefImpl getRawDataRefImpl() const;
const ObjectFile *getObject() const;
74};

76using relocation_iterator = content_iterator<RelocationRef>;

78/// This is a value type class that represents a single section in the list of
79/// sections in the object file.
80class SectionRef {
friend class SymbolRef;

DataRefImpl SectionPimpl;
const ObjectFile *OwningObject = nullptr;
78
←
Null pointer value stored to 'S.OwningObject'→

86public:
SectionRef() = default;
SectionRef(DataRefImpl SectionP, const ObjectFile *Owner);

bool operator==(const SectionRef &Other) const;
bool operator!=(const SectionRef &Other) const;
bool operator<(const SectionRef &Other) const;

void moveNext();

Expected<StringRef> getName() const;
uint64_t getAddress() const;
uint64_t getIndex() const;
uint64_t getSize() const;
Expected<StringRef> getContents() const;

/// Get the alignment of this section as the actual value (not log 2).
uint64_t getAlignment() const;

bool isCompressed() const;
/// Whether this section contains instructions.
bool isText() const;
/// Whether this section contains data, not instructions.
bool isData() const;
/// Whether this section contains BSS uninitialized data.
bool isBSS() const;
bool isVirtual() const;
bool isBitcode() const;
bool isStripped() const;

/// Whether this section will be placed in the text segment, according to the
/// Berkeley size format. This is true if the section is allocatable, and
/// contains either code or readonly data.
bool isBerkeleyText() const;
/// Whether this section will be placed in the data segment, according to the
/// Berkeley size format. This is true if the section is allocatable and
/// contains data (e.g. PROGBITS), but is not text.
bool isBerkeleyData() const;

/// Whether this section is a debug section.
bool isDebugSection() const;

bool containsSymbol(SymbolRef S) const;

relocation_iterator relocation_begin() const;
relocation_iterator relocation_end() const;
iterator_range<relocation_iterator> relocations() const {
  return make_range(relocation_begin(), relocation_end());
}

/// Returns the related section if this section contains relocations. The
/// returned section may or may not have applied its relocations.
Expected<section_iterator> getRelocatedSection() const;

DataRefImpl getRawDataRefImpl() const;
const ObjectFile *getObject() const;
142};

144struct SectionedAddress {
const static uint64_t UndefSection = UINT64_MAX0xffffffffffffffffULL;

uint64_t Address = 0;
uint64_t SectionIndex = UndefSection;
149};

151inline bool operator<(const SectionedAddress &LHS,
                    const SectionedAddress &RHS) {
return std::tie(LHS.SectionIndex, LHS.Address) <
       std::tie(RHS.SectionIndex, RHS.Address);
155}

157inline bool operator==(const SectionedAddress &LHS,
                     const SectionedAddress &RHS) {
return std::tie(LHS.SectionIndex, LHS.Address) ==
       std::tie(RHS.SectionIndex, RHS.Address);
161}

163raw_ostream &operator<<(raw_ostream &OS, const SectionedAddress &Addr);

165/// This is a value type class that represents a single symbol in the list of
166/// symbols in the object file.
167class SymbolRef : public BasicSymbolRef {
friend class SectionRef;

170public:
enum Type {
  ST_Unknown, // Type not specified
  ST_Data,
  ST_Debug,
  ST_File,
  ST_Function,
  ST_Other
};

SymbolRef() = default;
SymbolRef(DataRefImpl SymbolP, const ObjectFile *Owner);
SymbolRef(const BasicSymbolRef &B) : BasicSymbolRef(B) {
  assert(isa<ObjectFile>(BasicSymbolRef::getObject()))((void)0);
}

Expected<StringRef> getName() const;
/// Returns the symbol virtual address (i.e. address at which it will be
/// mapped).
Expected<uint64_t> getAddress() const;

/// Return the value of the symbol depending on the object this can be an
/// offset or a virtual address.
Expected<uint64_t> getValue() const;

/// Get the alignment of this symbol as the actual value (not log 2).
uint32_t getAlignment() const;
uint64_t getCommonSize() const;
Expected<SymbolRef::Type> getType() const;

/// Get section this symbol is defined in reference to. Result is
/// end_sections() if it is undefined or is an absolute symbol.
Expected<section_iterator> getSection() const;

const ObjectFile *getObject() const;
205};

207class symbol_iterator : public basic_symbol_iterator {
208public:
symbol_iterator(SymbolRef Sym) : basic_symbol_iterator(Sym) {}
symbol_iterator(const basic_symbol_iterator &B)
    : basic_symbol_iterator(SymbolRef(B->getRawDataRefImpl(),
                                      cast<ObjectFile>(B->getObject()))) {}

const SymbolRef *operator->() const {
  const BasicSymbolRef &P = basic_symbol_iterator::operator *();
  return static_cast<const SymbolRef*>(&P);
}

const SymbolRef &operator*() const {
  const BasicSymbolRef &P = basic_symbol_iterator::operator *();
  return static_cast<const SymbolRef&>(P);
}
223};

225/// This class is the base class for all object file types. Concrete instances
226/// of this object are created by createObjectFile, which figures out which type
227/// to create.
228class ObjectFile : public SymbolicFile {
virtual void anchor();

231protected:
ObjectFile(unsigned int Type, MemoryBufferRef Source);

const uint8_t *base() const {
  return reinterpret_cast<const uint8_t *>(Data.getBufferStart());
}

// These functions are for SymbolRef to call internally. The main goal of
// this is to allow SymbolRef::SymbolPimpl to point directly to the symbol
// entry in the memory mapped object file. SymbolPimpl cannot contain any
// virtual functions because then it could not point into the memory mapped
// file.
//
// Implementations assume that the DataRefImpl is valid and has not been
// modified externally. It's UB otherwise.
friend class SymbolRef;

virtual Expected<StringRef> getSymbolName(DataRefImpl Symb) const = 0;
Error printSymbolName(raw_ostream &OS,
                                DataRefImpl Symb) const override;
virtual Expected<uint64_t> getSymbolAddress(DataRefImpl Symb) const = 0;
virtual uint64_t getSymbolValueImpl(DataRefImpl Symb) const = 0;
virtual uint32_t getSymbolAlignment(DataRefImpl Symb) const;
virtual uint64_t getCommonSymbolSizeImpl(DataRefImpl Symb) const = 0;
virtual Expected<SymbolRef::Type> getSymbolType(DataRefImpl Symb) const = 0;
virtual Expected<section_iterator>
getSymbolSection(DataRefImpl Symb) const = 0;

// Same as above for SectionRef.
friend class SectionRef;

virtual void moveSectionNext(DataRefImpl &Sec) const = 0;
virtual Expected<StringRef> getSectionName(DataRefImpl Sec) const = 0;
virtual uint64_t getSectionAddress(DataRefImpl Sec) const = 0;
virtual uint64_t getSectionIndex(DataRefImpl Sec) const = 0;
virtual uint64_t getSectionSize(DataRefImpl Sec) const = 0;
virtual Expected<ArrayRef<uint8_t>>
getSectionContents(DataRefImpl Sec) const = 0;
virtual uint64_t getSectionAlignment(DataRefImpl Sec) const = 0;
virtual bool isSectionCompressed(DataRefImpl Sec) const = 0;
virtual bool isSectionText(DataRefImpl Sec) const = 0;
virtual bool isSectionData(DataRefImpl Sec) const = 0;
virtual bool isSectionBSS(DataRefImpl Sec) const = 0;
// A section is 'virtual' if its contents aren't present in the object image.
virtual bool isSectionVirtual(DataRefImpl Sec) const = 0;
virtual bool isSectionBitcode(DataRefImpl Sec) const;
virtual bool isSectionStripped(DataRefImpl Sec) const;
virtual bool isBerkeleyText(DataRefImpl Sec) const;
virtual bool isBerkeleyData(DataRefImpl Sec) const;
virtual bool isDebugSection(DataRefImpl Sec) const;
virtual relocation_iterator section_rel_begin(DataRefImpl Sec) const = 0;
virtual relocation_iterator section_rel_end(DataRefImpl Sec) const = 0;
virtual Expected<section_iterator> getRelocatedSection(DataRefImpl Sec) const;

// Same as above for RelocationRef.
friend class RelocationRef;
virtual void moveRelocationNext(DataRefImpl &Rel) const = 0;
virtual uint64_t getRelocationOffset(DataRefImpl Rel) const = 0;
virtual symbol_iterator getRelocationSymbol(DataRefImpl Rel) const = 0;
virtual uint64_t getRelocationType(DataRefImpl Rel) const = 0;
virtual void getRelocationTypeName(DataRefImpl Rel,
                                   SmallVectorImpl<char> &Result) const = 0;

Expected<uint64_t> getSymbolValue(DataRefImpl Symb) const;

296public:
ObjectFile() = delete;
ObjectFile(const ObjectFile &other) = delete;

uint64_t getCommonSymbolSize(DataRefImpl Symb) const {
  Expected<uint32_t> SymbolFlagsOrErr = getSymbolFlags(Symb);
  if (!SymbolFlagsOrErr)
    // TODO: Actually report errors helpfully.
    report_fatal_error(SymbolFlagsOrErr.takeError());
  assert(*SymbolFlagsOrErr & SymbolRef::SF_Common)((void)0);
  return getCommonSymbolSizeImpl(Symb);
}

virtual std::vector<SectionRef> dynamic_relocation_sections() const {
  return std::vector<SectionRef>();
}

using symbol_iterator_range = iterator_range<symbol_iterator>;
symbol_iterator_range symbols() const {
  return symbol_iterator_range(symbol_begin(), symbol_end());
}

virtual section_iterator section_begin() const = 0;
virtual section_iterator section_end() const = 0;

using section_iterator_range = iterator_range<section_iterator>;
section_iterator_range sections() const {
  return section_iterator_range(section_begin(), section_end());
}

/// The number of bytes used to represent an address in this object
///        file format.
virtual uint8_t getBytesInAddress() const = 0;

virtual StringRef getFileFormatName() const = 0;
virtual Triple::ArchType getArch() const = 0;
virtual SubtargetFeatures getFeatures() const = 0;
virtual Optional<StringRef> tryGetCPUName() const { return None; };
virtual void setARMSubArch(Triple &TheTriple) const { }
virtual Expected<uint64_t> getStartAddress() const {
  return errorCodeToError(object_error::parse_failed);
};

/// Create a triple from the data in this object file.
Triple makeTriple() const;

/// Maps a debug section name to a standard DWARF section name.
virtual StringRef mapDebugSectionName(StringRef Name) const { return Name; }

/// True if this is a relocatable object (.o/.obj).
virtual bool isRelocatableObject() const = 0;

/// @returns Pointer to ObjectFile subclass to handle this type of object.
/// @param ObjectPath The path to the object file. ObjectPath.isObject must
///        return true.
/// Create ObjectFile from path.
static Expected<OwningBinary<ObjectFile>>
createObjectFile(StringRef ObjectPath);

static Expected<std::unique_ptr<ObjectFile>>
createObjectFile(MemoryBufferRef Object, llvm::file_magic Type,
                 bool InitContent = true);
static Expected<std::unique_ptr<ObjectFile>>
createObjectFile(MemoryBufferRef Object) {
  return createObjectFile(Object, llvm::file_magic::unknown);
}

static bool classof(const Binary *v) {
  return v->isObject();
}

static Expected<std::unique_ptr<COFFObjectFile>>
createCOFFObjectFile(MemoryBufferRef Object);

static Expected<std::unique_ptr<ObjectFile>>
createXCOFFObjectFile(MemoryBufferRef Object, unsigned FileType);

static Expected<std::unique_ptr<ObjectFile>>
createELFObjectFile(MemoryBufferRef Object, bool InitContent = true);

static Expected<std::unique_ptr<MachOObjectFile>>
createMachOObjectFile(MemoryBufferRef Object,
                      uint32_t UniversalCputype = 0,
                      uint32_t UniversalIndex = 0);

static Expected<std::unique_ptr<WasmObjectFile>>
createWasmObjectFile(MemoryBufferRef Object);
383};

385// Inline function definitions.
386inline SymbolRef::SymbolRef(DataRefImpl SymbolP, const ObjectFile *Owner)
  : BasicSymbolRef(SymbolP, Owner) {}

389inline Expected<StringRef> SymbolRef::getName() const {
return getObject()->getSymbolName(getRawDataRefImpl());
391}

393inline Expected<uint64_t> SymbolRef::getAddress() const {
return getObject()->getSymbolAddress(getRawDataRefImpl());
395}

397inline Expected<uint64_t> SymbolRef::getValue() const {
return getObject()->getSymbolValue(getRawDataRefImpl());
399}

401inline uint32_t SymbolRef::getAlignment() const {
return getObject()->getSymbolAlignment(getRawDataRefImpl());
403}

405inline uint64_t SymbolRef::getCommonSize() const {
return getObject()->getCommonSymbolSize(getRawDataRefImpl());
407}

409inline Expected<section_iterator> SymbolRef::getSection() const {
return getObject()->getSymbolSection(getRawDataRefImpl());
411}

413inline Expected<SymbolRef::Type> SymbolRef::getType() const {
return getObject()->getSymbolType(getRawDataRefImpl());
415}

417inline const ObjectFile *SymbolRef::getObject() const {
const SymbolicFile *O = BasicSymbolRef::getObject();
return cast<ObjectFile>(O);
420}

422/// SectionRef
423inline SectionRef::SectionRef(DataRefImpl SectionP,
                            const ObjectFile *Owner)
: SectionPimpl(SectionP)
, OwningObject(Owner) {}

428inline bool SectionRef::operator==(const SectionRef &Other) const {
return OwningObject == Other.OwningObject &&
       SectionPimpl == Other.SectionPimpl;
431}

433inline bool SectionRef::operator!=(const SectionRef &Other) const {
return !(*this == Other);
435}

437inline bool SectionRef::operator<(const SectionRef &Other) const {
assert(OwningObject == Other.OwningObject)((void)0);
return SectionPimpl < Other.SectionPimpl;
440}

442inline void SectionRef::moveNext() {
return OwningObject->moveSectionNext(SectionPimpl);
444}

446inline Expected<StringRef> SectionRef::getName() const {
return OwningObject->getSectionName(SectionPimpl);
448}

450inline uint64_t SectionRef::getAddress() const {
return OwningObject->getSectionAddress(SectionPimpl);
452}

454inline uint64_t SectionRef::getIndex() const {
return OwningObject->getSectionIndex(SectionPimpl);
456}

458inline uint64_t SectionRef::getSize() const {
return OwningObject->getSectionSize(SectionPimpl);
84
←
Called C++ object pointer is null
460}

462inline Expected<StringRef> SectionRef::getContents() const {
Expected<ArrayRef<uint8_t>> Res =
    OwningObject->getSectionContents(SectionPimpl);
if (!Res)
  return Res.takeError();
return StringRef(reinterpret_cast<const char *>(Res->data()), Res->size());
468}

470inline uint64_t SectionRef::getAlignment() const {
return OwningObject->getSectionAlignment(SectionPimpl);
472}

474inline bool SectionRef::isCompressed() const {
return OwningObject->isSectionCompressed(SectionPimpl);
476}

478inline bool SectionRef::isText() const {
return OwningObject->isSectionText(SectionPimpl);
480}

482inline bool SectionRef::isData() const {
return OwningObject->isSectionData(SectionPimpl);
484}

486inline bool SectionRef::isBSS() const {
return OwningObject->isSectionBSS(SectionPimpl);
488}

490inline bool SectionRef::isVirtual() const {
return OwningObject->isSectionVirtual(SectionPimpl);
492}

494inline bool SectionRef::isBitcode() const {
return OwningObject->isSectionBitcode(SectionPimpl);
496}

498inline bool SectionRef::isStripped() const {
return OwningObject->isSectionStripped(SectionPimpl);
500}

502inline bool SectionRef::isBerkeleyText() const {
return OwningObject->isBerkeleyText(SectionPimpl);
504}

506inline bool SectionRef::isBerkeleyData() const {
return OwningObject->isBerkeleyData(SectionPimpl);
508}

510inline bool SectionRef::isDebugSection() const {
return OwningObject->isDebugSection(SectionPimpl);
512}

514inline relocation_iterator SectionRef::relocation_begin() const {
return OwningObject->section_rel_begin(SectionPimpl);
516}

518inline relocation_iterator SectionRef::relocation_end() const {
return OwningObject->section_rel_end(SectionPimpl);
520}

522inline Expected<section_iterator> SectionRef::getRelocatedSection() const {
return OwningObject->getRelocatedSection(SectionPimpl);
524}

526inline DataRefImpl SectionRef::getRawDataRefImpl() const {
return SectionPimpl;
528}

530inline const ObjectFile *SectionRef::getObject() const {
return OwningObject;
532}

534/// RelocationRef
535inline RelocationRef::RelocationRef(DataRefImpl RelocationP,
                            const ObjectFile *Owner)
: RelocationPimpl(RelocationP)
, OwningObject(Owner) {}

540inline bool RelocationRef::operator==(const RelocationRef &Other) const {
return RelocationPimpl == Other.RelocationPimpl;
542}

544inline void RelocationRef::moveNext() {
return OwningObject->moveRelocationNext(RelocationPimpl);
546}

548inline uint64_t RelocationRef::getOffset() const {
return OwningObject->getRelocationOffset(RelocationPimpl);
550}

552inline symbol_iterator RelocationRef::getSymbol() const {
return OwningObject->getRelocationSymbol(RelocationPimpl);
554}

556inline uint64_t RelocationRef::getType() const {
return OwningObject->getRelocationType(RelocationPimpl);
558}

560inline void RelocationRef::getTypeName(SmallVectorImpl<char> &Result) const {
return OwningObject->getRelocationTypeName(RelocationPimpl, Result);
562}

564inline DataRefImpl RelocationRef::getRawDataRefImpl() const {
return RelocationPimpl;
566}

568inline const ObjectFile *RelocationRef::getObject() const {
return OwningObject;
570}

572} // end namespace object

574template <> struct DenseMapInfo<object::SectionRef> {
static bool isEqual(const object::SectionRef &A,
                    const object::SectionRef &B) {
  return A == B;
}
static object::SectionRef getEmptyKey() {
  return object::SectionRef({}, nullptr);
}
static object::SectionRef getTombstoneKey() {
  object::DataRefImpl TS;
  TS.p = (uintptr_t)-1;
  return object::SectionRef(TS, nullptr);
}
static unsigned getHashValue(const object::SectionRef &Sec) {
  object::DataRefImpl Raw = Sec.getRawDataRefImpl();
  return hash_combine(Raw.p, Raw.d.a, Raw.d.b);
}
591};

593} // end namespace llvm

595#endif // LLVM_OBJECT_OBJECTFILE_H