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//===----------------------------------------------------------------------===//
12
13#include "MachODump.h"
14
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/BinaryFormat/MachO.h"
21#include "llvm/Config/config.h"
22#include "llvm/DebugInfo/DIContext.h"
23#include "llvm/DebugInfo/DWARF/DWARFContext.h"
24#include "llvm/Demangle/Demangle.h"
25#include "llvm/MC/MCAsmInfo.h"
26#include "llvm/MC/MCContext.h"
27#include "llvm/MC/MCDisassembler/MCDisassembler.h"
28#include "llvm/MC/MCInst.h"
29#include "llvm/MC/MCInstPrinter.h"
30#include "llvm/MC/MCInstrDesc.h"
31#include "llvm/MC/MCInstrInfo.h"
32#include "llvm/MC/MCRegisterInfo.h"
33#include "llvm/MC/MCSubtargetInfo.h"
34#include "llvm/MC/MCTargetOptions.h"
35#include "llvm/MC/TargetRegistry.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/TargetSelect.h"
48#include "llvm/Support/ToolOutputFile.h"
49#include "llvm/Support/WithColor.h"
50#include "llvm/Support/raw_ostream.h"
51#include "llvm/TargetParser/Triple.h"
52#include <algorithm>
53#include <cstring>
54#include <system_error>
55
56using namespace llvm;
57using namespace llvm::object;
58using namespace llvm::objdump;
59
60bool objdump::FirstPrivateHeader;
61bool objdump::ExportsTrie;
62bool objdump::Rebase;
63bool objdump::Rpaths;
64bool objdump::Bind;
65bool objdump::LazyBind;
66bool objdump::WeakBind;
67static bool UseDbg;
68static std::string DSYMFile;
69bool objdump::FullLeadingAddr;
70bool objdump::LeadingHeaders;
71bool objdump::UniversalHeaders;
72static bool ArchiveMemberOffsets;
73bool objdump::IndirectSymbols;
74bool objdump::DataInCode;
75FunctionStartsMode objdump::FunctionStartsType =
76 objdump::FunctionStartsMode::None;
77bool objdump::LinkOptHints;
78bool objdump::InfoPlist;
79bool objdump::ChainedFixups;
80bool objdump::DyldInfo;
81bool objdump::DylibsUsed;
82bool objdump::DylibId;
83bool objdump::Verbose;
84bool objdump::ObjcMetaData;
85std::string objdump::DisSymName;
86bool objdump::SymbolicOperands;
87static std::vector<std::string> ArchFlags;
88
89static bool ArchAll = false;
90static std::string ThumbTripleName;
91
92static StringRef ordinalName(const object::MachOObjectFile *, int);
93
94void objdump::parseMachOOptions(const llvm::opt::InputArgList &InputArgs) {
95 FirstPrivateHeader = InputArgs.hasArg(Ids: OBJDUMP_private_header);
96 ExportsTrie = InputArgs.hasArg(Ids: OBJDUMP_exports_trie);
97 Rebase = InputArgs.hasArg(Ids: OBJDUMP_rebase);
98 Rpaths = InputArgs.hasArg(Ids: OBJDUMP_rpaths);
99 Bind = InputArgs.hasArg(Ids: OBJDUMP_bind);
100 LazyBind = InputArgs.hasArg(Ids: OBJDUMP_lazy_bind);
101 WeakBind = InputArgs.hasArg(Ids: OBJDUMP_weak_bind);
102 UseDbg = InputArgs.hasArg(Ids: OBJDUMP_g);
103 DSYMFile = InputArgs.getLastArgValue(Id: OBJDUMP_dsym_EQ).str();
104 FullLeadingAddr = InputArgs.hasArg(Ids: OBJDUMP_full_leading_addr);
105 LeadingHeaders = !InputArgs.hasArg(Ids: OBJDUMP_no_leading_headers);
106 UniversalHeaders = InputArgs.hasArg(Ids: OBJDUMP_universal_headers);
107 ArchiveMemberOffsets = InputArgs.hasArg(Ids: OBJDUMP_archive_member_offsets);
108 IndirectSymbols = InputArgs.hasArg(Ids: OBJDUMP_indirect_symbols);
109 DataInCode = InputArgs.hasArg(Ids: OBJDUMP_data_in_code);
110 if (const opt::Arg *A = InputArgs.getLastArg(Ids: OBJDUMP_function_starts_EQ)) {
111 FunctionStartsType = StringSwitch<FunctionStartsMode>(A->getValue())
112 .Case(S: "addrs", Value: FunctionStartsMode::Addrs)
113 .Case(S: "names", Value: FunctionStartsMode::Names)
114 .Case(S: "both", Value: FunctionStartsMode::Both)
115 .Default(Value: FunctionStartsMode::None);
116 if (FunctionStartsType == FunctionStartsMode::None)
117 invalidArgValue(A);
118 }
119 LinkOptHints = InputArgs.hasArg(Ids: OBJDUMP_link_opt_hints);
120 InfoPlist = InputArgs.hasArg(Ids: OBJDUMP_info_plist);
121 ChainedFixups = InputArgs.hasArg(Ids: OBJDUMP_chained_fixups);
122 DyldInfo = InputArgs.hasArg(Ids: OBJDUMP_dyld_info);
123 DylibsUsed = InputArgs.hasArg(Ids: OBJDUMP_dylibs_used);
124 DylibId = InputArgs.hasArg(Ids: OBJDUMP_dylib_id);
125 Verbose = !InputArgs.hasArg(Ids: OBJDUMP_non_verbose);
126 ObjcMetaData = InputArgs.hasArg(Ids: OBJDUMP_objc_meta_data);
127 DisSymName = InputArgs.getLastArgValue(Id: OBJDUMP_dis_symname).str();
128 SymbolicOperands = !InputArgs.hasArg(Ids: OBJDUMP_no_symbolic_operands);
129 ArchFlags = InputArgs.getAllArgValues(Id: OBJDUMP_arch_EQ);
130}
131
132static const Target *GetTarget(const MachOObjectFile *MachOObj,
133 const char **McpuDefault,
134 const Target **ThumbTarget) {
135 // Figure out the target triple.
136 Triple TT(TripleName);
137 if (TripleName.empty()) {
138 TT = MachOObj->getArchTriple(McpuDefault);
139 TripleName = TT.str();
140 }
141
142 if (TT.getArch() == Triple::arm) {
143 // We've inferred a 32-bit ARM target from the object file. All MachO CPUs
144 // that support ARM are also capable of Thumb mode.
145 Triple ThumbTriple = TT;
146 std::string ThumbName = (Twine("thumb") + TT.getArchName().substr(Start: 3)).str();
147 ThumbTriple.setArchName(ThumbName);
148 ThumbTripleName = ThumbTriple.str();
149 }
150
151 // Get the target specific parser.
152 std::string Error;
153 const Target *TheTarget = TargetRegistry::lookupTarget(Triple: TripleName, Error);
154 if (TheTarget && ThumbTripleName.empty())
155 return TheTarget;
156
157 *ThumbTarget = TargetRegistry::lookupTarget(Triple: ThumbTripleName, Error);
158 if (*ThumbTarget)
159 return TheTarget;
160
161 WithColor::error(OS&: errs(), Prefix: "llvm-objdump") << "unable to get target for '";
162 if (!TheTarget)
163 errs() << TripleName;
164 else
165 errs() << ThumbTripleName;
166 errs() << "', see --version and --triple.\n";
167 return nullptr;
168}
169
170namespace {
171struct SymbolSorter {
172 bool operator()(const SymbolRef &A, const SymbolRef &B) {
173 Expected<SymbolRef::Type> ATypeOrErr = A.getType();
174 if (!ATypeOrErr)
175 reportError(E: ATypeOrErr.takeError(), FileName: A.getObject()->getFileName());
176 SymbolRef::Type AType = *ATypeOrErr;
177 Expected<SymbolRef::Type> BTypeOrErr = B.getType();
178 if (!BTypeOrErr)
179 reportError(E: BTypeOrErr.takeError(), FileName: B.getObject()->getFileName());
180 SymbolRef::Type BType = *BTypeOrErr;
181 uint64_t AAddr =
182 (AType != SymbolRef::ST_Function) ? 0 : cantFail(ValOrErr: A.getValue());
183 uint64_t BAddr =
184 (BType != SymbolRef::ST_Function) ? 0 : cantFail(ValOrErr: B.getValue());
185 return AAddr < BAddr;
186 }
187};
188
189class MachODumper : public Dumper {
190 const object::MachOObjectFile &Obj;
191
192public:
193 MachODumper(const object::MachOObjectFile &O) : Dumper(O), Obj(O) {}
194 void printPrivateHeaders() override;
195};
196} // namespace
197
198std::unique_ptr<Dumper>
199objdump::createMachODumper(const object::MachOObjectFile &Obj) {
200 return std::make_unique<MachODumper>(args: Obj);
201}
202
203// Types for the storted data in code table that is built before disassembly
204// and the predicate function to sort them.
205typedef std::pair<uint64_t, DiceRef> DiceTableEntry;
206typedef std::vector<DiceTableEntry> DiceTable;
207typedef DiceTable::iterator dice_table_iterator;
208
209// This is used to search for a data in code table entry for the PC being
210// disassembled. The j parameter has the PC in j.first. A single data in code
211// table entry can cover many bytes for each of its Kind's. So if the offset,
212// aka the i.first value, of the data in code table entry plus its Length
213// covers the PC being searched for this will return true. If not it will
214// return false.
215static bool compareDiceTableEntries(const DiceTableEntry &i,
216 const DiceTableEntry &j) {
217 uint16_t Length;
218 i.second.getLength(Result&: Length);
219
220 return j.first >= i.first && j.first < i.first + Length;
221}
222
223static uint64_t DumpDataInCode(const uint8_t *bytes, uint64_t Length,
224 unsigned short Kind) {
225 uint32_t Value, Size = 1;
226
227 switch (Kind) {
228 default:
229 case MachO::DICE_KIND_DATA:
230 if (Length >= 4) {
231 if (ShowRawInsn)
232 dumpBytes(Bytes: ArrayRef(bytes, 4), OS&: outs());
233 Value = bytes[3] << 24 | bytes[2] << 16 | bytes[1] << 8 | bytes[0];
234 outs() << "\t.long " << Value;
235 Size = 4;
236 } else if (Length >= 2) {
237 if (ShowRawInsn)
238 dumpBytes(Bytes: ArrayRef(bytes, 2), OS&: outs());
239 Value = bytes[1] << 8 | bytes[0];
240 outs() << "\t.short " << Value;
241 Size = 2;
242 } else {
243 if (ShowRawInsn)
244 dumpBytes(Bytes: ArrayRef(bytes, 2), OS&: outs());
245 Value = bytes[0];
246 outs() << "\t.byte " << Value;
247 Size = 1;
248 }
249 if (Kind == MachO::DICE_KIND_DATA)
250 outs() << "\t@ KIND_DATA\n";
251 else
252 outs() << "\t@ data in code kind = " << Kind << "\n";
253 break;
254 case MachO::DICE_KIND_JUMP_TABLE8:
255 if (ShowRawInsn)
256 dumpBytes(Bytes: ArrayRef(bytes, 1), OS&: outs());
257 Value = bytes[0];
258 outs() << "\t.byte " << format(Fmt: "%3u", Vals: Value) << "\t@ KIND_JUMP_TABLE8\n";
259 Size = 1;
260 break;
261 case MachO::DICE_KIND_JUMP_TABLE16:
262 if (ShowRawInsn)
263 dumpBytes(Bytes: ArrayRef(bytes, 2), OS&: outs());
264 Value = bytes[1] << 8 | bytes[0];
265 outs() << "\t.short " << format(Fmt: "%5u", Vals: Value & 0xffff)
266 << "\t@ KIND_JUMP_TABLE16\n";
267 Size = 2;
268 break;
269 case MachO::DICE_KIND_JUMP_TABLE32:
270 case MachO::DICE_KIND_ABS_JUMP_TABLE32:
271 if (ShowRawInsn)
272 dumpBytes(Bytes: ArrayRef(bytes, 4), OS&: outs());
273 Value = bytes[3] << 24 | bytes[2] << 16 | bytes[1] << 8 | bytes[0];
274 outs() << "\t.long " << Value;
275 if (Kind == MachO::DICE_KIND_JUMP_TABLE32)
276 outs() << "\t@ KIND_JUMP_TABLE32\n";
277 else
278 outs() << "\t@ KIND_ABS_JUMP_TABLE32\n";
279 Size = 4;
280 break;
281 }
282 return Size;
283}
284
285static void getSectionsAndSymbols(MachOObjectFile *MachOObj,
286 std::vector<SectionRef> &Sections,
287 std::vector<SymbolRef> &Symbols,
288 SmallVectorImpl<uint64_t> &FoundFns,
289 uint64_t &BaseSegmentAddress) {
290 const StringRef FileName = MachOObj->getFileName();
291 for (const SymbolRef &Symbol : MachOObj->symbols()) {
292 StringRef SymName = unwrapOrError(EO: Symbol.getName(), Args: FileName);
293 if (!SymName.starts_with(Prefix: "ltmp"))
294 Symbols.push_back(x: Symbol);
295 }
296
297 append_range(C&: Sections, R: MachOObj->sections());
298
299 bool BaseSegmentAddressSet = false;
300 for (const auto &Command : MachOObj->load_commands()) {
301 if (Command.C.cmd == MachO::LC_FUNCTION_STARTS) {
302 // We found a function starts segment, parse the addresses for later
303 // consumption.
304 MachO::linkedit_data_command LLC =
305 MachOObj->getLinkeditDataLoadCommand(L: Command);
306
307 MachOObj->ReadULEB128s(Index: LLC.dataoff, Out&: FoundFns);
308 } else if (Command.C.cmd == MachO::LC_SEGMENT) {
309 MachO::segment_command SLC = MachOObj->getSegmentLoadCommand(L: Command);
310 StringRef SegName = SLC.segname;
311 if (!BaseSegmentAddressSet && SegName != "__PAGEZERO") {
312 BaseSegmentAddressSet = true;
313 BaseSegmentAddress = SLC.vmaddr;
314 }
315 } else if (Command.C.cmd == MachO::LC_SEGMENT_64) {
316 MachO::segment_command_64 SLC = MachOObj->getSegment64LoadCommand(L: Command);
317 StringRef SegName = SLC.segname;
318 if (!BaseSegmentAddressSet && SegName != "__PAGEZERO") {
319 BaseSegmentAddressSet = true;
320 BaseSegmentAddress = SLC.vmaddr;
321 }
322 }
323 }
324}
325
326static bool DumpAndSkipDataInCode(uint64_t PC, const uint8_t *bytes,
327 DiceTable &Dices, uint64_t &InstSize) {
328 // Check the data in code table here to see if this is data not an
329 // instruction to be disassembled.
330 DiceTable Dice;
331 Dice.push_back(x: std::make_pair(x&: PC, y: DiceRef()));
332 dice_table_iterator DTI =
333 std::search(first1: Dices.begin(), last1: Dices.end(), first2: Dice.begin(), last2: Dice.end(),
334 predicate: compareDiceTableEntries);
335 if (DTI != Dices.end()) {
336 uint16_t Length;
337 DTI->second.getLength(Result&: Length);
338 uint16_t Kind;
339 DTI->second.getKind(Result&: Kind);
340 InstSize = DumpDataInCode(bytes, Length, Kind);
341 if ((Kind == MachO::DICE_KIND_JUMP_TABLE8) &&
342 (PC == (DTI->first + Length - 1)) && (Length & 1))
343 InstSize++;
344 return true;
345 }
346 return false;
347}
348
349static void printRelocationTargetName(const MachOObjectFile *O,
350 const MachO::any_relocation_info &RE,
351 raw_string_ostream &Fmt) {
352 // Target of a scattered relocation is an address. In the interest of
353 // generating pretty output, scan through the symbol table looking for a
354 // symbol that aligns with that address. If we find one, print it.
355 // Otherwise, we just print the hex address of the target.
356 const StringRef FileName = O->getFileName();
357 if (O->isRelocationScattered(RE)) {
358 uint32_t Val = O->getPlainRelocationSymbolNum(RE);
359
360 for (const SymbolRef &Symbol : O->symbols()) {
361 uint64_t Addr = unwrapOrError(EO: Symbol.getAddress(), Args: FileName);
362 if (Addr != Val)
363 continue;
364 Fmt << unwrapOrError(EO: Symbol.getName(), Args: FileName);
365 return;
366 }
367
368 // If we couldn't find a symbol that this relocation refers to, try
369 // to find a section beginning instead.
370 for (const SectionRef &Section : ToolSectionFilter(O: *O)) {
371 uint64_t Addr = Section.getAddress();
372 if (Addr != Val)
373 continue;
374 StringRef NameOrErr = unwrapOrError(EO: Section.getName(), Args: O->getFileName());
375 Fmt << NameOrErr;
376 return;
377 }
378
379 Fmt << format(Fmt: "0x%x", Vals: Val);
380 return;
381 }
382
383 StringRef S;
384 bool isExtern = O->getPlainRelocationExternal(RE);
385 uint64_t Val = O->getPlainRelocationSymbolNum(RE);
386
387 if (O->getAnyRelocationType(RE) == MachO::ARM64_RELOC_ADDEND &&
388 (O->getArch() == Triple::aarch64 || O->getArch() == Triple::aarch64_be)) {
389 Fmt << format(Fmt: "0x%0" PRIx64, Vals: Val);
390 return;
391 }
392
393 if (isExtern) {
394 symbol_iterator SI = O->symbol_begin();
395 std::advance(i&: SI, n: Val);
396 S = unwrapOrError(EO: SI->getName(), Args: FileName);
397 } else {
398 section_iterator SI = O->section_begin();
399 // Adjust for the fact that sections are 1-indexed.
400 if (Val == 0) {
401 Fmt << "0 (?,?)";
402 return;
403 }
404 uint32_t I = Val - 1;
405 while (I != 0 && SI != O->section_end()) {
406 --I;
407 std::advance(i&: SI, n: 1);
408 }
409 if (SI == O->section_end()) {
410 Fmt << Val << " (?,?)";
411 } else {
412 if (Expected<StringRef> NameOrErr = SI->getName())
413 S = *NameOrErr;
414 else
415 consumeError(Err: NameOrErr.takeError());
416 }
417 }
418
419 Fmt << S;
420}
421
422Error objdump::getMachORelocationValueString(const MachOObjectFile *Obj,
423 const RelocationRef &RelRef,
424 SmallVectorImpl<char> &Result) {
425 DataRefImpl Rel = RelRef.getRawDataRefImpl();
426 MachO::any_relocation_info RE = Obj->getRelocation(Rel);
427
428 unsigned Arch = Obj->getArch();
429
430 std::string FmtBuf;
431 raw_string_ostream Fmt(FmtBuf);
432 unsigned Type = Obj->getAnyRelocationType(RE);
433 bool IsPCRel = Obj->getAnyRelocationPCRel(RE);
434
435 // Determine any addends that should be displayed with the relocation.
436 // These require decoding the relocation type, which is triple-specific.
437
438 // X86_64 has entirely custom relocation types.
439 if (Arch == Triple::x86_64) {
440 switch (Type) {
441 case MachO::X86_64_RELOC_GOT_LOAD:
442 case MachO::X86_64_RELOC_GOT: {
443 printRelocationTargetName(O: Obj, RE, Fmt);
444 Fmt << "@GOT";
445 if (IsPCRel)
446 Fmt << "PCREL";
447 break;
448 }
449 case MachO::X86_64_RELOC_SUBTRACTOR: {
450 DataRefImpl RelNext = Rel;
451 Obj->moveRelocationNext(Rel&: RelNext);
452 MachO::any_relocation_info RENext = Obj->getRelocation(Rel: RelNext);
453
454 // X86_64_RELOC_SUBTRACTOR must be followed by a relocation of type
455 // X86_64_RELOC_UNSIGNED.
456 // NOTE: Scattered relocations don't exist on x86_64.
457 unsigned RType = Obj->getAnyRelocationType(RE: RENext);
458 if (RType != MachO::X86_64_RELOC_UNSIGNED)
459 reportError(File: Obj->getFileName(), Message: "Expected X86_64_RELOC_UNSIGNED after "
460 "X86_64_RELOC_SUBTRACTOR.");
461
462 // The X86_64_RELOC_UNSIGNED contains the minuend symbol;
463 // X86_64_RELOC_SUBTRACTOR contains the subtrahend.
464 printRelocationTargetName(O: Obj, RE: RENext, Fmt);
465 Fmt << "-";
466 printRelocationTargetName(O: Obj, RE, Fmt);
467 break;
468 }
469 case MachO::X86_64_RELOC_TLV:
470 printRelocationTargetName(O: Obj, RE, Fmt);
471 Fmt << "@TLV";
472 if (IsPCRel)
473 Fmt << "P";
474 break;
475 case MachO::X86_64_RELOC_SIGNED_1:
476 printRelocationTargetName(O: Obj, RE, Fmt);
477 Fmt << "-1";
478 break;
479 case MachO::X86_64_RELOC_SIGNED_2:
480 printRelocationTargetName(O: Obj, RE, Fmt);
481 Fmt << "-2";
482 break;
483 case MachO::X86_64_RELOC_SIGNED_4:
484 printRelocationTargetName(O: Obj, RE, Fmt);
485 Fmt << "-4";
486 break;
487 default:
488 printRelocationTargetName(O: Obj, RE, Fmt);
489 break;
490 }
491 // X86 and ARM share some relocation types in common.
492 } else if (Arch == Triple::x86 || Arch == Triple::arm ||
493 Arch == Triple::ppc) {
494 // Generic relocation types...
495 switch (Type) {
496 case MachO::GENERIC_RELOC_PAIR: // prints no info
497 return Error::success();
498 case MachO::GENERIC_RELOC_SECTDIFF: {
499 DataRefImpl RelNext = Rel;
500 Obj->moveRelocationNext(Rel&: RelNext);
501 MachO::any_relocation_info RENext = Obj->getRelocation(Rel: RelNext);
502
503 // X86 sect diff's must be followed by a relocation of type
504 // GENERIC_RELOC_PAIR.
505 unsigned RType = Obj->getAnyRelocationType(RE: RENext);
506
507 if (RType != MachO::GENERIC_RELOC_PAIR)
508 reportError(File: Obj->getFileName(), Message: "Expected GENERIC_RELOC_PAIR after "
509 "GENERIC_RELOC_SECTDIFF.");
510
511 printRelocationTargetName(O: Obj, RE, Fmt);
512 Fmt << "-";
513 printRelocationTargetName(O: Obj, RE: RENext, Fmt);
514 break;
515 }
516 }
517
518 if (Arch == Triple::x86 || Arch == Triple::ppc) {
519 switch (Type) {
520 case MachO::GENERIC_RELOC_LOCAL_SECTDIFF: {
521 DataRefImpl RelNext = Rel;
522 Obj->moveRelocationNext(Rel&: RelNext);
523 MachO::any_relocation_info RENext = Obj->getRelocation(Rel: RelNext);
524
525 // X86 sect diff's must be followed by a relocation of type
526 // GENERIC_RELOC_PAIR.
527 unsigned RType = Obj->getAnyRelocationType(RE: RENext);
528 if (RType != MachO::GENERIC_RELOC_PAIR)
529 reportError(File: Obj->getFileName(), Message: "Expected GENERIC_RELOC_PAIR after "
530 "GENERIC_RELOC_LOCAL_SECTDIFF.");
531
532 printRelocationTargetName(O: Obj, RE, Fmt);
533 Fmt << "-";
534 printRelocationTargetName(O: Obj, RE: RENext, Fmt);
535 break;
536 }
537 case MachO::GENERIC_RELOC_TLV: {
538 printRelocationTargetName(O: Obj, RE, Fmt);
539 Fmt << "@TLV";
540 if (IsPCRel)
541 Fmt << "P";
542 break;
543 }
544 default:
545 printRelocationTargetName(O: Obj, RE, Fmt);
546 }
547 } else { // ARM-specific relocations
548 switch (Type) {
549 case MachO::ARM_RELOC_HALF:
550 case MachO::ARM_RELOC_HALF_SECTDIFF: {
551 // Half relocations steal a bit from the length field to encode
552 // whether this is an upper16 or a lower16 relocation.
553 bool isUpper = (Obj->getAnyRelocationLength(RE) & 0x1) == 1;
554
555 if (isUpper)
556 Fmt << ":upper16:(";
557 else
558 Fmt << ":lower16:(";
559 printRelocationTargetName(O: Obj, RE, Fmt);
560
561 DataRefImpl RelNext = Rel;
562 Obj->moveRelocationNext(Rel&: RelNext);
563 MachO::any_relocation_info RENext = Obj->getRelocation(Rel: RelNext);
564
565 // ARM half relocs must be followed by a relocation of type
566 // ARM_RELOC_PAIR.
567 unsigned RType = Obj->getAnyRelocationType(RE: RENext);
568 if (RType != MachO::ARM_RELOC_PAIR)
569 reportError(File: Obj->getFileName(), Message: "Expected ARM_RELOC_PAIR after "
570 "ARM_RELOC_HALF");
571
572 // NOTE: The half of the target virtual address is stashed in the
573 // address field of the secondary relocation, but we can't reverse
574 // engineer the constant offset from it without decoding the movw/movt
575 // instruction to find the other half in its immediate field.
576
577 // ARM_RELOC_HALF_SECTDIFF encodes the second section in the
578 // symbol/section pointer of the follow-on relocation.
579 if (Type == MachO::ARM_RELOC_HALF_SECTDIFF) {
580 Fmt << "-";
581 printRelocationTargetName(O: Obj, RE: RENext, Fmt);
582 }
583
584 Fmt << ")";
585 break;
586 }
587 default: {
588 printRelocationTargetName(O: Obj, RE, Fmt);
589 }
590 }
591 }
592 } else
593 printRelocationTargetName(O: Obj, RE, Fmt);
594
595 Fmt.flush();
596 Result.append(in_start: FmtBuf.begin(), in_end: FmtBuf.end());
597 return Error::success();
598}
599
600static void PrintIndirectSymbolTable(MachOObjectFile *O, bool verbose,
601 uint32_t n, uint32_t count,
602 uint32_t stride, uint64_t addr) {
603 MachO::dysymtab_command Dysymtab = O->getDysymtabLoadCommand();
604 uint32_t nindirectsyms = Dysymtab.nindirectsyms;
605 if (n > nindirectsyms)
606 outs() << " (entries start past the end of the indirect symbol "
607 "table) (reserved1 field greater than the table size)";
608 else if (n + count > nindirectsyms)
609 outs() << " (entries extends past the end of the indirect symbol "
610 "table)";
611 outs() << "\n";
612 uint32_t cputype = O->getHeader().cputype;
613 if (cputype & MachO::CPU_ARCH_ABI64)
614 outs() << "address index";
615 else
616 outs() << "address index";
617 if (verbose)
618 outs() << " name\n";
619 else
620 outs() << "\n";
621 for (uint32_t j = 0; j < count && n + j < nindirectsyms; j++) {
622 if (cputype & MachO::CPU_ARCH_ABI64)
623 outs() << format(Fmt: "0x%016" PRIx64, Vals: addr + j * stride) << " ";
624 else
625 outs() << format(Fmt: "0x%08" PRIx32, Vals: (uint32_t)addr + j * stride) << " ";
626 MachO::dysymtab_command Dysymtab = O->getDysymtabLoadCommand();
627 uint32_t indirect_symbol = O->getIndirectSymbolTableEntry(DLC: Dysymtab, Index: n + j);
628 if (indirect_symbol == MachO::INDIRECT_SYMBOL_LOCAL) {
629 outs() << "LOCAL\n";
630 continue;
631 }
632 if (indirect_symbol ==
633 (MachO::INDIRECT_SYMBOL_LOCAL | MachO::INDIRECT_SYMBOL_ABS)) {
634 outs() << "LOCAL ABSOLUTE\n";
635 continue;
636 }
637 if (indirect_symbol == MachO::INDIRECT_SYMBOL_ABS) {
638 outs() << "ABSOLUTE\n";
639 continue;
640 }
641 outs() << format(Fmt: "%5u ", Vals: indirect_symbol);
642 if (verbose) {
643 MachO::symtab_command Symtab = O->getSymtabLoadCommand();
644 if (indirect_symbol < Symtab.nsyms) {
645 symbol_iterator Sym = O->getSymbolByIndex(Index: indirect_symbol);
646 SymbolRef Symbol = *Sym;
647 outs() << unwrapOrError(EO: Symbol.getName(), Args: O->getFileName());
648 } else {
649 outs() << "?";
650 }
651 }
652 outs() << "\n";
653 }
654}
655
656static void PrintIndirectSymbols(MachOObjectFile *O, bool verbose) {
657 for (const auto &Load : O->load_commands()) {
658 if (Load.C.cmd == MachO::LC_SEGMENT_64) {
659 MachO::segment_command_64 Seg = O->getSegment64LoadCommand(L: Load);
660 for (unsigned J = 0; J < Seg.nsects; ++J) {
661 MachO::section_64 Sec = O->getSection64(L: Load, Index: J);
662 uint32_t section_type = Sec.flags & MachO::SECTION_TYPE;
663 if (section_type == MachO::S_NON_LAZY_SYMBOL_POINTERS ||
664 section_type == MachO::S_LAZY_SYMBOL_POINTERS ||
665 section_type == MachO::S_LAZY_DYLIB_SYMBOL_POINTERS ||
666 section_type == MachO::S_THREAD_LOCAL_VARIABLE_POINTERS ||
667 section_type == MachO::S_SYMBOL_STUBS) {
668 uint32_t stride;
669 if (section_type == MachO::S_SYMBOL_STUBS)
670 stride = Sec.reserved2;
671 else
672 stride = 8;
673 if (stride == 0) {
674 outs() << "Can't print indirect symbols for (" << Sec.segname << ","
675 << Sec.sectname << ") "
676 << "(size of stubs in reserved2 field is zero)\n";
677 continue;
678 }
679 uint32_t count = Sec.size / stride;
680 outs() << "Indirect symbols for (" << Sec.segname << ","
681 << Sec.sectname << ") " << count << " entries";
682 uint32_t n = Sec.reserved1;
683 PrintIndirectSymbolTable(O, verbose, n, count, stride, addr: Sec.addr);
684 }
685 }
686 } else if (Load.C.cmd == MachO::LC_SEGMENT) {
687 MachO::segment_command Seg = O->getSegmentLoadCommand(L: Load);
688 for (unsigned J = 0; J < Seg.nsects; ++J) {
689 MachO::section Sec = O->getSection(L: Load, Index: J);
690 uint32_t section_type = Sec.flags & MachO::SECTION_TYPE;
691 if (section_type == MachO::S_NON_LAZY_SYMBOL_POINTERS ||
692 section_type == MachO::S_LAZY_SYMBOL_POINTERS ||
693 section_type == MachO::S_LAZY_DYLIB_SYMBOL_POINTERS ||
694 section_type == MachO::S_THREAD_LOCAL_VARIABLE_POINTERS ||
695 section_type == MachO::S_SYMBOL_STUBS) {
696 uint32_t stride;
697 if (section_type == MachO::S_SYMBOL_STUBS)
698 stride = Sec.reserved2;
699 else
700 stride = 4;
701 if (stride == 0) {
702 outs() << "Can't print indirect symbols for (" << Sec.segname << ","
703 << Sec.sectname << ") "
704 << "(size of stubs in reserved2 field is zero)\n";
705 continue;
706 }
707 uint32_t count = Sec.size / stride;
708 outs() << "Indirect symbols for (" << Sec.segname << ","
709 << Sec.sectname << ") " << count << " entries";
710 uint32_t n = Sec.reserved1;
711 PrintIndirectSymbolTable(O, verbose, n, count, stride, addr: Sec.addr);
712 }
713 }
714 }
715 }
716}
717
718static void PrintRType(const uint64_t cputype, const unsigned r_type) {
719 static char const *generic_r_types[] = {
720 "VANILLA ", "PAIR ", "SECTDIF ", "PBLAPTR ", "LOCSDIF ", "TLV ",
721 " 6 (?) ", " 7 (?) ", " 8 (?) ", " 9 (?) ", " 10 (?) ", " 11 (?) ",
722 " 12 (?) ", " 13 (?) ", " 14 (?) ", " 15 (?) "
723 };
724 static char const *x86_64_r_types[] = {
725 "UNSIGND ", "SIGNED ", "BRANCH ", "GOT_LD ", "GOT ", "SUB ",
726 "SIGNED1 ", "SIGNED2 ", "SIGNED4 ", "TLV ", " 10 (?) ", " 11 (?) ",
727 " 12 (?) ", " 13 (?) ", " 14 (?) ", " 15 (?) "
728 };
729 static char const *arm_r_types[] = {
730 "VANILLA ", "PAIR ", "SECTDIFF", "LOCSDIF ", "PBLAPTR ",
731 "BR24 ", "T_BR22 ", "T_BR32 ", "HALF ", "HALFDIF ",
732 " 10 (?) ", " 11 (?) ", " 12 (?) ", " 13 (?) ", " 14 (?) ", " 15 (?) "
733 };
734 static char const *arm64_r_types[] = {
735 "UNSIGND ", "SUB ", "BR26 ", "PAGE21 ", "PAGOF12 ",
736 "GOTLDP ", "GOTLDPOF", "PTRTGOT ", "TLVLDP ", "TLVLDPOF",
737 "ADDEND ", " 11 (?) ", " 12 (?) ", " 13 (?) ", " 14 (?) ", " 15 (?) "
738 };
739
740 if (r_type > 0xf){
741 outs() << format(Fmt: "%-7u", Vals: r_type) << " ";
742 return;
743 }
744 switch (cputype) {
745 case MachO::CPU_TYPE_I386:
746 outs() << generic_r_types[r_type];
747 break;
748 case MachO::CPU_TYPE_X86_64:
749 outs() << x86_64_r_types[r_type];
750 break;
751 case MachO::CPU_TYPE_ARM:
752 outs() << arm_r_types[r_type];
753 break;
754 case MachO::CPU_TYPE_ARM64:
755 case MachO::CPU_TYPE_ARM64_32:
756 outs() << arm64_r_types[r_type];
757 break;
758 default:
759 outs() << format(Fmt: "%-7u ", Vals: r_type);
760 }
761}
762
763static void PrintRLength(const uint64_t cputype, const unsigned r_type,
764 const unsigned r_length, const bool previous_arm_half){
765 if (cputype == MachO::CPU_TYPE_ARM &&
766 (r_type == MachO::ARM_RELOC_HALF ||
767 r_type == MachO::ARM_RELOC_HALF_SECTDIFF || previous_arm_half == true)) {
768 if ((r_length & 0x1) == 0)
769 outs() << "lo/";
770 else
771 outs() << "hi/";
772 if ((r_length & 0x1) == 0)
773 outs() << "arm ";
774 else
775 outs() << "thm ";
776 } else {
777 switch (r_length) {
778 case 0:
779 outs() << "byte ";
780 break;
781 case 1:
782 outs() << "word ";
783 break;
784 case 2:
785 outs() << "long ";
786 break;
787 case 3:
788 if (cputype == MachO::CPU_TYPE_X86_64)
789 outs() << "quad ";
790 else
791 outs() << format(Fmt: "?(%2d) ", Vals: r_length);
792 break;
793 default:
794 outs() << format(Fmt: "?(%2d) ", Vals: r_length);
795 }
796 }
797}
798
799static void PrintRelocationEntries(const MachOObjectFile *O,
800 const relocation_iterator Begin,
801 const relocation_iterator End,
802 const uint64_t cputype,
803 const bool verbose) {
804 const MachO::symtab_command Symtab = O->getSymtabLoadCommand();
805 bool previous_arm_half = false;
806 bool previous_sectdiff = false;
807 uint32_t sectdiff_r_type = 0;
808
809 for (relocation_iterator Reloc = Begin; Reloc != End; ++Reloc) {
810 const DataRefImpl Rel = Reloc->getRawDataRefImpl();
811 const MachO::any_relocation_info RE = O->getRelocation(Rel);
812 const unsigned r_type = O->getAnyRelocationType(RE);
813 const bool r_scattered = O->isRelocationScattered(RE);
814 const unsigned r_pcrel = O->getAnyRelocationPCRel(RE);
815 const unsigned r_length = O->getAnyRelocationLength(RE);
816 const unsigned r_address = O->getAnyRelocationAddress(RE);
817 const bool r_extern = (r_scattered ? false :
818 O->getPlainRelocationExternal(RE));
819 const uint32_t r_value = (r_scattered ?
820 O->getScatteredRelocationValue(RE) : 0);
821 const unsigned r_symbolnum = (r_scattered ? 0 :
822 O->getPlainRelocationSymbolNum(RE));
823
824 if (r_scattered && cputype != MachO::CPU_TYPE_X86_64) {
825 if (verbose) {
826 // scattered: address
827 if ((cputype == MachO::CPU_TYPE_I386 &&
828 r_type == MachO::GENERIC_RELOC_PAIR) ||
829 (cputype == MachO::CPU_TYPE_ARM && r_type == MachO::ARM_RELOC_PAIR))
830 outs() << " ";
831 else
832 outs() << format(Fmt: "%08x ", Vals: (unsigned int)r_address);
833
834 // scattered: pcrel
835 if (r_pcrel)
836 outs() << "True ";
837 else
838 outs() << "False ";
839
840 // scattered: length
841 PrintRLength(cputype, r_type, r_length, previous_arm_half);
842
843 // scattered: extern & type
844 outs() << "n/a ";
845 PrintRType(cputype, r_type);
846
847 // scattered: scattered & value
848 outs() << format(Fmt: "True 0x%08x", Vals: (unsigned int)r_value);
849 if (previous_sectdiff == false) {
850 if ((cputype == MachO::CPU_TYPE_ARM &&
851 r_type == MachO::ARM_RELOC_PAIR))
852 outs() << format(Fmt: " half = 0x%04x ", Vals: (unsigned int)r_address);
853 } else if (cputype == MachO::CPU_TYPE_ARM &&
854 sectdiff_r_type == MachO::ARM_RELOC_HALF_SECTDIFF)
855 outs() << format(Fmt: " other_half = 0x%04x ", Vals: (unsigned int)r_address);
856 if ((cputype == MachO::CPU_TYPE_I386 &&
857 (r_type == MachO::GENERIC_RELOC_SECTDIFF ||
858 r_type == MachO::GENERIC_RELOC_LOCAL_SECTDIFF)) ||
859 (cputype == MachO::CPU_TYPE_ARM &&
860 (sectdiff_r_type == MachO::ARM_RELOC_SECTDIFF ||
861 sectdiff_r_type == MachO::ARM_RELOC_LOCAL_SECTDIFF ||
862 sectdiff_r_type == MachO::ARM_RELOC_HALF_SECTDIFF))) {
863 previous_sectdiff = true;
864 sectdiff_r_type = r_type;
865 } else {
866 previous_sectdiff = false;
867 sectdiff_r_type = 0;
868 }
869 if (cputype == MachO::CPU_TYPE_ARM &&
870 (r_type == MachO::ARM_RELOC_HALF ||
871 r_type == MachO::ARM_RELOC_HALF_SECTDIFF))
872 previous_arm_half = true;
873 else
874 previous_arm_half = false;
875 outs() << "\n";
876 }
877 else {
878 // scattered: address pcrel length extern type scattered value
879 outs() << format(Fmt: "%08x %1d %-2d n/a %-7d 1 0x%08x\n",
880 Vals: (unsigned int)r_address, Vals: r_pcrel, Vals: r_length, Vals: r_type,
881 Vals: (unsigned int)r_value);
882 }
883 }
884 else {
885 if (verbose) {
886 // plain: address
887 if (cputype == MachO::CPU_TYPE_ARM && r_type == MachO::ARM_RELOC_PAIR)
888 outs() << " ";
889 else
890 outs() << format(Fmt: "%08x ", Vals: (unsigned int)r_address);
891
892 // plain: pcrel
893 if (r_pcrel)
894 outs() << "True ";
895 else
896 outs() << "False ";
897
898 // plain: length
899 PrintRLength(cputype, r_type, r_length, previous_arm_half);
900
901 if (r_extern) {
902 // plain: extern & type & scattered
903 outs() << "True ";
904 PrintRType(cputype, r_type);
905 outs() << "False ";
906
907 // plain: symbolnum/value
908 if (r_symbolnum > Symtab.nsyms)
909 outs() << format(Fmt: "?(%d)\n", Vals: r_symbolnum);
910 else {
911 SymbolRef Symbol = *O->getSymbolByIndex(Index: r_symbolnum);
912 Expected<StringRef> SymNameNext = Symbol.getName();
913 const char *name = nullptr;
914 if (SymNameNext)
915 name = SymNameNext->data();
916 if (name == nullptr)
917 outs() << format(Fmt: "?(%d)\n", Vals: r_symbolnum);
918 else
919 outs() << name << "\n";
920 }
921 }
922 else {
923 // plain: extern & type & scattered
924 outs() << "False ";
925 PrintRType(cputype, r_type);
926 outs() << "False ";
927
928 // plain: symbolnum/value
929 if (cputype == MachO::CPU_TYPE_ARM && r_type == MachO::ARM_RELOC_PAIR)
930 outs() << format(Fmt: "other_half = 0x%04x\n", Vals: (unsigned int)r_address);
931 else if ((cputype == MachO::CPU_TYPE_ARM64 ||
932 cputype == MachO::CPU_TYPE_ARM64_32) &&
933 r_type == MachO::ARM64_RELOC_ADDEND)
934 outs() << format(Fmt: "addend = 0x%06x\n", Vals: (unsigned int)r_symbolnum);
935 else {
936 outs() << format(Fmt: "%d ", Vals: r_symbolnum);
937 if (r_symbolnum == MachO::R_ABS)
938 outs() << "R_ABS\n";
939 else {
940 // in this case, r_symbolnum is actually a 1-based section number
941 uint32_t nsects = O->section_end()->getRawDataRefImpl().d.a;
942 if (r_symbolnum > 0 && r_symbolnum <= nsects) {
943 object::DataRefImpl DRI;
944 DRI.d.a = r_symbolnum-1;
945 StringRef SegName = O->getSectionFinalSegmentName(Sec: DRI);
946 if (Expected<StringRef> NameOrErr = O->getSectionName(Sec: DRI))
947 outs() << "(" << SegName << "," << *NameOrErr << ")\n";
948 else
949 outs() << "(?,?)\n";
950 }
951 else {
952 outs() << "(?,?)\n";
953 }
954 }
955 }
956 }
957 if (cputype == MachO::CPU_TYPE_ARM &&
958 (r_type == MachO::ARM_RELOC_HALF ||
959 r_type == MachO::ARM_RELOC_HALF_SECTDIFF))
960 previous_arm_half = true;
961 else
962 previous_arm_half = false;
963 }
964 else {
965 // plain: address pcrel length extern type scattered symbolnum/section
966 outs() << format(Fmt: "%08x %1d %-2d %1d %-7d 0 %d\n",
967 Vals: (unsigned int)r_address, Vals: r_pcrel, Vals: r_length, Vals: r_extern,
968 Vals: r_type, Vals: r_symbolnum);
969 }
970 }
971 }
972}
973
974static void PrintRelocations(const MachOObjectFile *O, const bool verbose) {
975 const uint64_t cputype = O->getHeader().cputype;
976 const MachO::dysymtab_command Dysymtab = O->getDysymtabLoadCommand();
977 if (Dysymtab.nextrel != 0) {
978 outs() << "External relocation information " << Dysymtab.nextrel
979 << " entries";
980 outs() << "\naddress pcrel length extern type scattered "
981 "symbolnum/value\n";
982 PrintRelocationEntries(O, Begin: O->extrel_begin(), End: O->extrel_end(), cputype,
983 verbose);
984 }
985 if (Dysymtab.nlocrel != 0) {
986 outs() << format(Fmt: "Local relocation information %u entries",
987 Vals: Dysymtab.nlocrel);
988 outs() << "\naddress pcrel length extern type scattered "
989 "symbolnum/value\n";
990 PrintRelocationEntries(O, Begin: O->locrel_begin(), End: O->locrel_end(), cputype,
991 verbose);
992 }
993 for (const auto &Load : O->load_commands()) {
994 if (Load.C.cmd == MachO::LC_SEGMENT_64) {
995 const MachO::segment_command_64 Seg = O->getSegment64LoadCommand(L: Load);
996 for (unsigned J = 0; J < Seg.nsects; ++J) {
997 const MachO::section_64 Sec = O->getSection64(L: Load, Index: J);
998 if (Sec.nreloc != 0) {
999 DataRefImpl DRI;
1000 DRI.d.a = J;
1001 const StringRef SegName = O->getSectionFinalSegmentName(Sec: DRI);
1002 if (Expected<StringRef> NameOrErr = O->getSectionName(Sec: DRI))
1003 outs() << "Relocation information (" << SegName << "," << *NameOrErr
1004 << format(Fmt: ") %u entries", Vals: Sec.nreloc);
1005 else
1006 outs() << "Relocation information (" << SegName << ",?) "
1007 << format(Fmt: "%u entries", Vals: Sec.nreloc);
1008 outs() << "\naddress pcrel length extern type scattered "
1009 "symbolnum/value\n";
1010 PrintRelocationEntries(O, Begin: O->section_rel_begin(Sec: DRI),
1011 End: O->section_rel_end(Sec: DRI), cputype, verbose);
1012 }
1013 }
1014 } else if (Load.C.cmd == MachO::LC_SEGMENT) {
1015 const MachO::segment_command Seg = O->getSegmentLoadCommand(L: Load);
1016 for (unsigned J = 0; J < Seg.nsects; ++J) {
1017 const MachO::section Sec = O->getSection(L: Load, Index: J);
1018 if (Sec.nreloc != 0) {
1019 DataRefImpl DRI;
1020 DRI.d.a = J;
1021 const StringRef SegName = O->getSectionFinalSegmentName(Sec: DRI);
1022 if (Expected<StringRef> NameOrErr = O->getSectionName(Sec: DRI))
1023 outs() << "Relocation information (" << SegName << "," << *NameOrErr
1024 << format(Fmt: ") %u entries", Vals: Sec.nreloc);
1025 else
1026 outs() << "Relocation information (" << SegName << ",?) "
1027 << format(Fmt: "%u entries", Vals: Sec.nreloc);
1028 outs() << "\naddress pcrel length extern type scattered "
1029 "symbolnum/value\n";
1030 PrintRelocationEntries(O, Begin: O->section_rel_begin(Sec: DRI),
1031 End: O->section_rel_end(Sec: DRI), cputype, verbose);
1032 }
1033 }
1034 }
1035 }
1036}
1037
1038static void PrintFunctionStarts(MachOObjectFile *O) {
1039 uint64_t BaseSegmentAddress = 0;
1040 for (const MachOObjectFile::LoadCommandInfo &Command : O->load_commands()) {
1041 if (Command.C.cmd == MachO::LC_SEGMENT) {
1042 MachO::segment_command SLC = O->getSegmentLoadCommand(L: Command);
1043 if (StringRef(SLC.segname) == "__TEXT") {
1044 BaseSegmentAddress = SLC.vmaddr;
1045 break;
1046 }
1047 } else if (Command.C.cmd == MachO::LC_SEGMENT_64) {
1048 MachO::segment_command_64 SLC = O->getSegment64LoadCommand(L: Command);
1049 if (StringRef(SLC.segname) == "__TEXT") {
1050 BaseSegmentAddress = SLC.vmaddr;
1051 break;
1052 }
1053 }
1054 }
1055
1056 SmallVector<uint64_t, 8> FunctionStarts;
1057 for (const MachOObjectFile::LoadCommandInfo &LC : O->load_commands()) {
1058 if (LC.C.cmd == MachO::LC_FUNCTION_STARTS) {
1059 MachO::linkedit_data_command FunctionStartsLC =
1060 O->getLinkeditDataLoadCommand(L: LC);
1061 O->ReadULEB128s(Index: FunctionStartsLC.dataoff, Out&: FunctionStarts);
1062 break;
1063 }
1064 }
1065
1066 DenseMap<uint64_t, StringRef> SymbolNames;
1067 if (FunctionStartsType == FunctionStartsMode::Names ||
1068 FunctionStartsType == FunctionStartsMode::Both) {
1069 for (SymbolRef Sym : O->symbols()) {
1070 if (Expected<uint64_t> Addr = Sym.getAddress()) {
1071 if (Expected<StringRef> Name = Sym.getName()) {
1072 SymbolNames[*Addr] = *Name;
1073 }
1074 }
1075 }
1076 }
1077
1078 for (uint64_t S : FunctionStarts) {
1079 uint64_t Addr = BaseSegmentAddress + S;
1080 if (FunctionStartsType == FunctionStartsMode::Names) {
1081 auto It = SymbolNames.find(Val: Addr);
1082 if (It != SymbolNames.end())
1083 outs() << It->second << "\n";
1084 } else {
1085 if (O->is64Bit())
1086 outs() << format(Fmt: "%016" PRIx64, Vals: Addr);
1087 else
1088 outs() << format(Fmt: "%08" PRIx32, Vals: static_cast<uint32_t>(Addr));
1089
1090 if (FunctionStartsType == FunctionStartsMode::Both) {
1091 auto It = SymbolNames.find(Val: Addr);
1092 if (It != SymbolNames.end())
1093 outs() << " " << It->second;
1094 else
1095 outs() << " ?";
1096 }
1097 outs() << "\n";
1098 }
1099 }
1100}
1101
1102static void PrintDataInCodeTable(MachOObjectFile *O, bool verbose) {
1103 MachO::linkedit_data_command DIC = O->getDataInCodeLoadCommand();
1104 uint32_t nentries = DIC.datasize / sizeof(struct MachO::data_in_code_entry);
1105 outs() << "Data in code table (" << nentries << " entries)\n";
1106 outs() << "offset length kind\n";
1107 for (dice_iterator DI = O->begin_dices(), DE = O->end_dices(); DI != DE;
1108 ++DI) {
1109 uint32_t Offset;
1110 DI->getOffset(Result&: Offset);
1111 outs() << format(Fmt: "0x%08" PRIx32, Vals: Offset) << " ";
1112 uint16_t Length;
1113 DI->getLength(Result&: Length);
1114 outs() << format(Fmt: "%6u", Vals: Length) << " ";
1115 uint16_t Kind;
1116 DI->getKind(Result&: Kind);
1117 if (verbose) {
1118 switch (Kind) {
1119 case MachO::DICE_KIND_DATA:
1120 outs() << "DATA";
1121 break;
1122 case MachO::DICE_KIND_JUMP_TABLE8:
1123 outs() << "JUMP_TABLE8";
1124 break;
1125 case MachO::DICE_KIND_JUMP_TABLE16:
1126 outs() << "JUMP_TABLE16";
1127 break;
1128 case MachO::DICE_KIND_JUMP_TABLE32:
1129 outs() << "JUMP_TABLE32";
1130 break;
1131 case MachO::DICE_KIND_ABS_JUMP_TABLE32:
1132 outs() << "ABS_JUMP_TABLE32";
1133 break;
1134 default:
1135 outs() << format(Fmt: "0x%04" PRIx32, Vals: Kind);
1136 break;
1137 }
1138 } else
1139 outs() << format(Fmt: "0x%04" PRIx32, Vals: Kind);
1140 outs() << "\n";
1141 }
1142}
1143
1144static void PrintLinkOptHints(MachOObjectFile *O) {
1145 MachO::linkedit_data_command LohLC = O->getLinkOptHintsLoadCommand();
1146 const char *loh = O->getData().substr(Start: LohLC.dataoff, N: 1).data();
1147 uint32_t nloh = LohLC.datasize;
1148 outs() << "Linker optimiztion hints (" << nloh << " total bytes)\n";
1149 for (uint32_t i = 0; i < nloh;) {
1150 unsigned n;
1151 uint64_t identifier = decodeULEB128(p: (const uint8_t *)(loh + i), n: &n);
1152 i += n;
1153 outs() << " identifier " << identifier << " ";
1154 if (i >= nloh)
1155 return;
1156 switch (identifier) {
1157 case 1:
1158 outs() << "AdrpAdrp\n";
1159 break;
1160 case 2:
1161 outs() << "AdrpLdr\n";
1162 break;
1163 case 3:
1164 outs() << "AdrpAddLdr\n";
1165 break;
1166 case 4:
1167 outs() << "AdrpLdrGotLdr\n";
1168 break;
1169 case 5:
1170 outs() << "AdrpAddStr\n";
1171 break;
1172 case 6:
1173 outs() << "AdrpLdrGotStr\n";
1174 break;
1175 case 7:
1176 outs() << "AdrpAdd\n";
1177 break;
1178 case 8:
1179 outs() << "AdrpLdrGot\n";
1180 break;
1181 default:
1182 outs() << "Unknown identifier value\n";
1183 break;
1184 }
1185 uint64_t narguments = decodeULEB128(p: (const uint8_t *)(loh + i), n: &n);
1186 i += n;
1187 outs() << " narguments " << narguments << "\n";
1188 if (i >= nloh)
1189 return;
1190
1191 for (uint32_t j = 0; j < narguments; j++) {
1192 uint64_t value = decodeULEB128(p: (const uint8_t *)(loh + i), n: &n);
1193 i += n;
1194 outs() << "\tvalue " << format(Fmt: "0x%" PRIx64, Vals: value) << "\n";
1195 if (i >= nloh)
1196 return;
1197 }
1198 }
1199}
1200
1201static SmallVector<std::string> GetSegmentNames(object::MachOObjectFile *O) {
1202 SmallVector<std::string> Ret;
1203 for (const MachOObjectFile::LoadCommandInfo &Command : O->load_commands()) {
1204 if (Command.C.cmd == MachO::LC_SEGMENT) {
1205 MachO::segment_command SLC = O->getSegmentLoadCommand(L: Command);
1206 Ret.push_back(Elt: SLC.segname);
1207 } else if (Command.C.cmd == MachO::LC_SEGMENT_64) {
1208 MachO::segment_command_64 SLC = O->getSegment64LoadCommand(L: Command);
1209 Ret.push_back(Elt: SLC.segname);
1210 }
1211 }
1212 return Ret;
1213}
1214
1215static void
1216PrintChainedFixupsHeader(const MachO::dyld_chained_fixups_header &H) {
1217 outs() << "chained fixups header (LC_DYLD_CHAINED_FIXUPS)\n";
1218 outs() << " fixups_version = " << H.fixups_version << '\n';
1219 outs() << " starts_offset = " << H.starts_offset << '\n';
1220 outs() << " imports_offset = " << H.imports_offset << '\n';
1221 outs() << " symbols_offset = " << H.symbols_offset << '\n';
1222 outs() << " imports_count = " << H.imports_count << '\n';
1223
1224 outs() << " imports_format = " << H.imports_format;
1225 switch (H.imports_format) {
1226 case llvm::MachO::DYLD_CHAINED_IMPORT:
1227 outs() << " (DYLD_CHAINED_IMPORT)";
1228 break;
1229 case llvm::MachO::DYLD_CHAINED_IMPORT_ADDEND:
1230 outs() << " (DYLD_CHAINED_IMPORT_ADDEND)";
1231 break;
1232 case llvm::MachO::DYLD_CHAINED_IMPORT_ADDEND64:
1233 outs() << " (DYLD_CHAINED_IMPORT_ADDEND64)";
1234 break;
1235 }
1236 outs() << '\n';
1237
1238 outs() << " symbols_format = " << H.symbols_format;
1239 if (H.symbols_format == llvm::MachO::DYLD_CHAINED_SYMBOL_ZLIB)
1240 outs() << " (zlib compressed)";
1241 outs() << '\n';
1242}
1243
1244static constexpr std::array<StringRef, 13> PointerFormats{
1245 "DYLD_CHAINED_PTR_ARM64E",
1246 "DYLD_CHAINED_PTR_64",
1247 "DYLD_CHAINED_PTR_32",
1248 "DYLD_CHAINED_PTR_32_CACHE",
1249 "DYLD_CHAINED_PTR_32_FIRMWARE",
1250 "DYLD_CHAINED_PTR_64_OFFSET",
1251 "DYLD_CHAINED_PTR_ARM64E_KERNEL",
1252 "DYLD_CHAINED_PTR_64_KERNEL_CACHE",
1253 "DYLD_CHAINED_PTR_ARM64E_USERLAND",
1254 "DYLD_CHAINED_PTR_ARM64E_FIRMWARE",
1255 "DYLD_CHAINED_PTR_X86_64_KERNEL_CACHE",
1256 "DYLD_CHAINED_PTR_ARM64E_USERLAND24",
1257};
1258
1259static void PrintChainedFixupsSegment(const ChainedFixupsSegment &Segment,
1260 StringRef SegName) {
1261 outs() << "chained starts in segment " << Segment.SegIdx << " (" << SegName
1262 << ")\n";
1263 outs() << " size = " << Segment.Header.size << '\n';
1264 outs() << " page_size = " << format(Fmt: "0x%0" PRIx16, Vals: Segment.Header.page_size)
1265 << '\n';
1266
1267 outs() << " pointer_format = " << Segment.Header.pointer_format;
1268 if ((Segment.Header.pointer_format - 1) <
1269 MachO::DYLD_CHAINED_PTR_ARM64E_USERLAND24)
1270 outs() << " (" << PointerFormats[Segment.Header.pointer_format - 1] << ")";
1271 outs() << '\n';
1272
1273 outs() << " segment_offset = "
1274 << format(Fmt: "0x%0" PRIx64, Vals: Segment.Header.segment_offset) << '\n';
1275 outs() << " max_valid_pointer = " << Segment.Header.max_valid_pointer
1276 << '\n';
1277 outs() << " page_count = " << Segment.Header.page_count << '\n';
1278 for (auto [Index, PageStart] : enumerate(First: Segment.PageStarts)) {
1279 outs() << " page_start[" << Index << "] = " << PageStart;
1280 // FIXME: Support DYLD_CHAINED_PTR_START_MULTI (32-bit only)
1281 if (PageStart == MachO::DYLD_CHAINED_PTR_START_NONE)
1282 outs() << " (DYLD_CHAINED_PTR_START_NONE)";
1283 outs() << '\n';
1284 }
1285}
1286
1287static void PrintChainedFixupTarget(ChainedFixupTarget &Target, size_t Idx,
1288 int Format, MachOObjectFile *O) {
1289 if (Format == MachO::DYLD_CHAINED_IMPORT)
1290 outs() << "dyld chained import";
1291 else if (Format == MachO::DYLD_CHAINED_IMPORT_ADDEND)
1292 outs() << "dyld chained import addend";
1293 else if (Format == MachO::DYLD_CHAINED_IMPORT_ADDEND64)
1294 outs() << "dyld chained import addend64";
1295 // FIXME: otool prints the encoded value as well.
1296 outs() << '[' << Idx << "]\n";
1297
1298 outs() << " lib_ordinal = " << Target.libOrdinal() << " ("
1299 << ordinalName(O, Target.libOrdinal()) << ")\n";
1300 outs() << " weak_import = " << Target.weakImport() << '\n';
1301 outs() << " name_offset = " << Target.nameOffset() << " ("
1302 << Target.symbolName() << ")\n";
1303 if (Format != MachO::DYLD_CHAINED_IMPORT)
1304 outs() << " addend = " << (int64_t)Target.addend() << '\n';
1305}
1306
1307static void PrintChainedFixups(MachOObjectFile *O) {
1308 // MachOObjectFile::getChainedFixupsHeader() reads LC_DYLD_CHAINED_FIXUPS.
1309 // FIXME: Support chained fixups in __TEXT,__chain_starts section too.
1310 auto ChainedFixupHeader =
1311 unwrapOrError(EO: O->getChainedFixupsHeader(), Args: O->getFileName());
1312 if (!ChainedFixupHeader)
1313 return;
1314
1315 PrintChainedFixupsHeader(H: *ChainedFixupHeader);
1316
1317 auto [SegCount, Segments] =
1318 unwrapOrError(EO: O->getChainedFixupsSegments(), Args: O->getFileName());
1319
1320 auto SegNames = GetSegmentNames(O);
1321
1322 size_t StartsIdx = 0;
1323 outs() << "chained starts in image\n";
1324 outs() << " seg_count = " << SegCount << '\n';
1325 for (size_t I = 0; I < SegCount; ++I) {
1326 uint64_t SegOffset = 0;
1327 if (StartsIdx < Segments.size() && I == Segments[StartsIdx].SegIdx) {
1328 SegOffset = Segments[StartsIdx].Offset;
1329 ++StartsIdx;
1330 }
1331
1332 outs() << " seg_offset[" << I << "] = " << SegOffset << " ("
1333 << SegNames[I] << ")\n";
1334 }
1335
1336 for (const ChainedFixupsSegment &S : Segments)
1337 PrintChainedFixupsSegment(Segment: S, SegName: SegNames[S.SegIdx]);
1338
1339 auto FixupTargets =
1340 unwrapOrError(EO: O->getDyldChainedFixupTargets(), Args: O->getFileName());
1341
1342 uint32_t ImportsFormat = ChainedFixupHeader->imports_format;
1343 for (auto [Idx, Target] : enumerate(First&: FixupTargets))
1344 PrintChainedFixupTarget(Target, Idx, Format: ImportsFormat, O);
1345}
1346
1347static void PrintDyldInfo(MachOObjectFile *O) {
1348 Error Err = Error::success();
1349
1350 size_t SegmentWidth = strlen(s: "segment");
1351 size_t SectionWidth = strlen(s: "section");
1352 size_t AddressWidth = strlen(s: "address");
1353 size_t AddendWidth = strlen(s: "addend");
1354 size_t DylibWidth = strlen(s: "dylib");
1355 const size_t PointerWidth = 2 + O->getBytesInAddress() * 2;
1356
1357 auto HexLength = [](uint64_t Num) {
1358 return Num ? (size_t)divideCeil(Numerator: Log2_64(Value: Num), Denominator: 4) : 1;
1359 };
1360 for (const object::MachOChainedFixupEntry &Entry : O->fixupTable(Err)) {
1361 SegmentWidth = std::max(a: SegmentWidth, b: Entry.segmentName().size());
1362 SectionWidth = std::max(a: SectionWidth, b: Entry.sectionName().size());
1363 AddressWidth = std::max(a: AddressWidth, b: HexLength(Entry.address()) + 2);
1364 if (Entry.isBind()) {
1365 AddendWidth = std::max(a: AddendWidth, b: HexLength(Entry.addend()) + 2);
1366 DylibWidth = std::max(a: DylibWidth, b: Entry.symbolName().size());
1367 }
1368 }
1369 // Errors will be handled when printing the table.
1370 if (Err)
1371 consumeError(Err: std::move(Err));
1372
1373 outs() << "dyld information:\n";
1374 outs() << left_justify(Str: "segment", Width: SegmentWidth) << ' '
1375 << left_justify(Str: "section", Width: SectionWidth) << ' '
1376 << left_justify(Str: "address", Width: AddressWidth) << ' '
1377 << left_justify(Str: "pointer", Width: PointerWidth) << " type "
1378 << left_justify(Str: "addend", Width: AddendWidth) << ' '
1379 << left_justify(Str: "dylib", Width: DylibWidth) << " symbol/vm address\n";
1380 for (const object::MachOChainedFixupEntry &Entry : O->fixupTable(Err)) {
1381 outs() << left_justify(Str: Entry.segmentName(), Width: SegmentWidth) << ' '
1382 << left_justify(Str: Entry.sectionName(), Width: SectionWidth) << ' ' << "0x"
1383 << left_justify(Str: utohexstr(X: Entry.address()), Width: AddressWidth - 2) << ' '
1384 << format_hex(N: Entry.rawValue(), Width: PointerWidth, Upper: true) << ' ';
1385 if (Entry.isBind()) {
1386 outs() << "bind "
1387 << "0x" << left_justify(Str: utohexstr(X: Entry.addend()), Width: AddendWidth - 2)
1388 << ' ' << left_justify(Str: ordinalName(O, Entry.ordinal()), Width: DylibWidth)
1389 << ' ' << Entry.symbolName();
1390 if (Entry.flags() & MachO::BIND_SYMBOL_FLAGS_WEAK_IMPORT)
1391 outs() << " (weak import)";
1392 outs() << '\n';
1393 } else {
1394 assert(Entry.isRebase());
1395 outs() << "rebase";
1396 outs().indent(NumSpaces: AddendWidth + DylibWidth + 2);
1397 outs() << format(Fmt: "0x%" PRIX64, Vals: Entry.pointerValue()) << '\n';
1398 }
1399 }
1400 if (Err)
1401 reportError(E: std::move(Err), FileName: O->getFileName());
1402
1403 // TODO: Print opcode-based fixups if the object uses those.
1404}
1405
1406static void PrintDylibs(MachOObjectFile *O, bool JustId) {
1407 unsigned Index = 0;
1408 for (const auto &Load : O->load_commands()) {
1409 if ((JustId && Load.C.cmd == MachO::LC_ID_DYLIB) ||
1410 (!JustId && (Load.C.cmd == MachO::LC_ID_DYLIB ||
1411 Load.C.cmd == MachO::LC_LOAD_DYLIB ||
1412 Load.C.cmd == MachO::LC_LOAD_WEAK_DYLIB ||
1413 Load.C.cmd == MachO::LC_REEXPORT_DYLIB ||
1414 Load.C.cmd == MachO::LC_LAZY_LOAD_DYLIB ||
1415 Load.C.cmd == MachO::LC_LOAD_UPWARD_DYLIB))) {
1416 MachO::dylib_command dl = O->getDylibIDLoadCommand(L: Load);
1417 if (dl.dylib.name < dl.cmdsize) {
1418 const char *p = (const char *)(Load.Ptr) + dl.dylib.name;
1419 if (JustId)
1420 outs() << p << "\n";
1421 else {
1422 outs() << "\t" << p;
1423 outs() << " (compatibility version "
1424 << ((dl.dylib.compatibility_version >> 16) & 0xffff) << "."
1425 << ((dl.dylib.compatibility_version >> 8) & 0xff) << "."
1426 << (dl.dylib.compatibility_version & 0xff) << ",";
1427 outs() << " current version "
1428 << ((dl.dylib.current_version >> 16) & 0xffff) << "."
1429 << ((dl.dylib.current_version >> 8) & 0xff) << "."
1430 << (dl.dylib.current_version & 0xff);
1431 if (Load.C.cmd == MachO::LC_LOAD_WEAK_DYLIB)
1432 outs() << ", weak";
1433 if (Load.C.cmd == MachO::LC_REEXPORT_DYLIB)
1434 outs() << ", reexport";
1435 if (Load.C.cmd == MachO::LC_LOAD_UPWARD_DYLIB)
1436 outs() << ", upward";
1437 if (Load.C.cmd == MachO::LC_LAZY_LOAD_DYLIB)
1438 outs() << ", lazy";
1439 outs() << ")\n";
1440 }
1441 } else {
1442 outs() << "\tBad offset (" << dl.dylib.name << ") for name of ";
1443 if (Load.C.cmd == MachO::LC_ID_DYLIB)
1444 outs() << "LC_ID_DYLIB ";
1445 else if (Load.C.cmd == MachO::LC_LOAD_DYLIB)
1446 outs() << "LC_LOAD_DYLIB ";
1447 else if (Load.C.cmd == MachO::LC_LOAD_WEAK_DYLIB)
1448 outs() << "LC_LOAD_WEAK_DYLIB ";
1449 else if (Load.C.cmd == MachO::LC_LAZY_LOAD_DYLIB)
1450 outs() << "LC_LAZY_LOAD_DYLIB ";
1451 else if (Load.C.cmd == MachO::LC_REEXPORT_DYLIB)
1452 outs() << "LC_REEXPORT_DYLIB ";
1453 else if (Load.C.cmd == MachO::LC_LOAD_UPWARD_DYLIB)
1454 outs() << "LC_LOAD_UPWARD_DYLIB ";
1455 else
1456 outs() << "LC_??? ";
1457 outs() << "command " << Index++ << "\n";
1458 }
1459 }
1460 }
1461}
1462
1463static void printRpaths(MachOObjectFile *O) {
1464 for (const auto &Command : O->load_commands()) {
1465 if (Command.C.cmd == MachO::LC_RPATH) {
1466 auto Rpath = O->getRpathCommand(L: Command);
1467 const char *P = (const char *)(Command.Ptr) + Rpath.path;
1468 outs() << P << "\n";
1469 }
1470 }
1471}
1472
1473typedef DenseMap<uint64_t, StringRef> SymbolAddressMap;
1474
1475static void CreateSymbolAddressMap(MachOObjectFile *O,
1476 SymbolAddressMap *AddrMap) {
1477 // Create a map of symbol addresses to symbol names.
1478 const StringRef FileName = O->getFileName();
1479 for (const SymbolRef &Symbol : O->symbols()) {
1480 SymbolRef::Type ST = unwrapOrError(EO: Symbol.getType(), Args: FileName);
1481 if (ST == SymbolRef::ST_Function || ST == SymbolRef::ST_Data ||
1482 ST == SymbolRef::ST_Other) {
1483 uint64_t Address = cantFail(ValOrErr: Symbol.getValue());
1484 StringRef SymName = unwrapOrError(EO: Symbol.getName(), Args: FileName);
1485 if (!SymName.starts_with(Prefix: ".objc"))
1486 (*AddrMap)[Address] = SymName;
1487 }
1488 }
1489}
1490
1491// GuessSymbolName is passed the address of what might be a symbol and a
1492// pointer to the SymbolAddressMap. It returns the name of a symbol
1493// with that address or nullptr if no symbol is found with that address.
1494static const char *GuessSymbolName(uint64_t value, SymbolAddressMap *AddrMap) {
1495 const char *SymbolName = nullptr;
1496 // A DenseMap can't lookup up some values.
1497 if (value != 0xffffffffffffffffULL && value != 0xfffffffffffffffeULL) {
1498 StringRef name = AddrMap->lookup(Val: value);
1499 if (!name.empty())
1500 SymbolName = name.data();
1501 }
1502 return SymbolName;
1503}
1504
1505static void DumpCstringChar(const char c) {
1506 char p[2];
1507 p[0] = c;
1508 p[1] = '\0';
1509 outs().write_escaped(Str: p);
1510}
1511
1512static void DumpCstringSection(MachOObjectFile *O, const char *sect,
1513 uint32_t sect_size, uint64_t sect_addr,
1514 bool print_addresses) {
1515 for (uint32_t i = 0; i < sect_size; i++) {
1516 if (print_addresses) {
1517 if (O->is64Bit())
1518 outs() << format(Fmt: "%016" PRIx64, Vals: sect_addr + i) << " ";
1519 else
1520 outs() << format(Fmt: "%08" PRIx64, Vals: sect_addr + i) << " ";
1521 }
1522 for (; i < sect_size && sect[i] != '\0'; i++)
1523 DumpCstringChar(c: sect[i]);
1524 if (i < sect_size && sect[i] == '\0')
1525 outs() << "\n";
1526 }
1527}
1528
1529static void DumpLiteral4(uint32_t l, float f) {
1530 outs() << format(Fmt: "0x%08" PRIx32, Vals: l);
1531 if ((l & 0x7f800000) != 0x7f800000)
1532 outs() << format(Fmt: " (%.16e)\n", Vals: f);
1533 else {
1534 if (l == 0x7f800000)
1535 outs() << " (+Infinity)\n";
1536 else if (l == 0xff800000)
1537 outs() << " (-Infinity)\n";
1538 else if ((l & 0x00400000) == 0x00400000)
1539 outs() << " (non-signaling Not-a-Number)\n";
1540 else
1541 outs() << " (signaling Not-a-Number)\n";
1542 }
1543}
1544
1545static void DumpLiteral4Section(MachOObjectFile *O, const char *sect,
1546 uint32_t sect_size, uint64_t sect_addr,
1547 bool print_addresses) {
1548 for (uint32_t i = 0; i < sect_size; i += sizeof(float)) {
1549 if (print_addresses) {
1550 if (O->is64Bit())
1551 outs() << format(Fmt: "%016" PRIx64, Vals: sect_addr + i) << " ";
1552 else
1553 outs() << format(Fmt: "%08" PRIx64, Vals: sect_addr + i) << " ";
1554 }
1555 float f;
1556 memcpy(dest: &f, src: sect + i, n: sizeof(float));
1557 if (O->isLittleEndian() != sys::IsLittleEndianHost)
1558 sys::swapByteOrder(Value&: f);
1559 uint32_t l;
1560 memcpy(dest: &l, src: sect + i, n: sizeof(uint32_t));
1561 if (O->isLittleEndian() != sys::IsLittleEndianHost)
1562 sys::swapByteOrder(Value&: l);
1563 DumpLiteral4(l, f);
1564 }
1565}
1566
1567static void DumpLiteral8(MachOObjectFile *O, uint32_t l0, uint32_t l1,
1568 double d) {
1569 outs() << format(Fmt: "0x%08" PRIx32, Vals: l0) << " " << format(Fmt: "0x%08" PRIx32, Vals: l1);
1570 uint32_t Hi, Lo;
1571 Hi = (O->isLittleEndian()) ? l1 : l0;
1572 Lo = (O->isLittleEndian()) ? l0 : l1;
1573
1574 // Hi is the high word, so this is equivalent to if(isfinite(d))
1575 if ((Hi & 0x7ff00000) != 0x7ff00000)
1576 outs() << format(Fmt: " (%.16e)\n", Vals: d);
1577 else {
1578 if (Hi == 0x7ff00000 && Lo == 0)
1579 outs() << " (+Infinity)\n";
1580 else if (Hi == 0xfff00000 && Lo == 0)
1581 outs() << " (-Infinity)\n";
1582 else if ((Hi & 0x00080000) == 0x00080000)
1583 outs() << " (non-signaling Not-a-Number)\n";
1584 else
1585 outs() << " (signaling Not-a-Number)\n";
1586 }
1587}
1588
1589static void DumpLiteral8Section(MachOObjectFile *O, const char *sect,
1590 uint32_t sect_size, uint64_t sect_addr,
1591 bool print_addresses) {
1592 for (uint32_t i = 0; i < sect_size; i += sizeof(double)) {
1593 if (print_addresses) {
1594 if (O->is64Bit())
1595 outs() << format(Fmt: "%016" PRIx64, Vals: sect_addr + i) << " ";
1596 else
1597 outs() << format(Fmt: "%08" PRIx64, Vals: sect_addr + i) << " ";
1598 }
1599 double d;
1600 memcpy(dest: &d, src: sect + i, n: sizeof(double));
1601 if (O->isLittleEndian() != sys::IsLittleEndianHost)
1602 sys::swapByteOrder(Value&: d);
1603 uint32_t l0, l1;
1604 memcpy(dest: &l0, src: sect + i, n: sizeof(uint32_t));
1605 memcpy(dest: &l1, src: sect + i + sizeof(uint32_t), n: sizeof(uint32_t));
1606 if (O->isLittleEndian() != sys::IsLittleEndianHost) {
1607 sys::swapByteOrder(Value&: l0);
1608 sys::swapByteOrder(Value&: l1);
1609 }
1610 DumpLiteral8(O, l0, l1, d);
1611 }
1612}
1613
1614static void DumpLiteral16(uint32_t l0, uint32_t l1, uint32_t l2, uint32_t l3) {
1615 outs() << format(Fmt: "0x%08" PRIx32, Vals: l0) << " ";
1616 outs() << format(Fmt: "0x%08" PRIx32, Vals: l1) << " ";
1617 outs() << format(Fmt: "0x%08" PRIx32, Vals: l2) << " ";
1618 outs() << format(Fmt: "0x%08" PRIx32, Vals: l3) << "\n";
1619}
1620
1621static void DumpLiteral16Section(MachOObjectFile *O, const char *sect,
1622 uint32_t sect_size, uint64_t sect_addr,
1623 bool print_addresses) {
1624 for (uint32_t i = 0; i < sect_size; i += 16) {
1625 if (print_addresses) {
1626 if (O->is64Bit())
1627 outs() << format(Fmt: "%016" PRIx64, Vals: sect_addr + i) << " ";
1628 else
1629 outs() << format(Fmt: "%08" PRIx64, Vals: sect_addr + i) << " ";
1630 }
1631 uint32_t l0, l1, l2, l3;
1632 memcpy(dest: &l0, src: sect + i, n: sizeof(uint32_t));
1633 memcpy(dest: &l1, src: sect + i + sizeof(uint32_t), n: sizeof(uint32_t));
1634 memcpy(dest: &l2, src: sect + i + 2 * sizeof(uint32_t), n: sizeof(uint32_t));
1635 memcpy(dest: &l3, src: sect + i + 3 * sizeof(uint32_t), n: sizeof(uint32_t));
1636 if (O->isLittleEndian() != sys::IsLittleEndianHost) {
1637 sys::swapByteOrder(Value&: l0);
1638 sys::swapByteOrder(Value&: l1);
1639 sys::swapByteOrder(Value&: l2);
1640 sys::swapByteOrder(Value&: l3);
1641 }
1642 DumpLiteral16(l0, l1, l2, l3);
1643 }
1644}
1645
1646static void DumpLiteralPointerSection(MachOObjectFile *O,
1647 const SectionRef &Section,
1648 const char *sect, uint32_t sect_size,
1649 uint64_t sect_addr,
1650 bool print_addresses) {
1651 // Collect the literal sections in this Mach-O file.
1652 std::vector<SectionRef> LiteralSections;
1653 for (const SectionRef &Section : O->sections()) {
1654 DataRefImpl Ref = Section.getRawDataRefImpl();
1655 uint32_t section_type;
1656 if (O->is64Bit()) {
1657 const MachO::section_64 Sec = O->getSection64(DRI: Ref);
1658 section_type = Sec.flags & MachO::SECTION_TYPE;
1659 } else {
1660 const MachO::section Sec = O->getSection(DRI: Ref);
1661 section_type = Sec.flags & MachO::SECTION_TYPE;
1662 }
1663 if (section_type == MachO::S_CSTRING_LITERALS ||
1664 section_type == MachO::S_4BYTE_LITERALS ||
1665 section_type == MachO::S_8BYTE_LITERALS ||
1666 section_type == MachO::S_16BYTE_LITERALS)
1667 LiteralSections.push_back(x: Section);
1668 }
1669
1670 // Set the size of the literal pointer.
1671 uint32_t lp_size = O->is64Bit() ? 8 : 4;
1672
1673 // Collect the external relocation symbols for the literal pointers.
1674 std::vector<std::pair<uint64_t, SymbolRef>> Relocs;
1675 for (const RelocationRef &Reloc : Section.relocations()) {
1676 DataRefImpl Rel;
1677 MachO::any_relocation_info RE;
1678 bool isExtern = false;
1679 Rel = Reloc.getRawDataRefImpl();
1680 RE = O->getRelocation(Rel);
1681 isExtern = O->getPlainRelocationExternal(RE);
1682 if (isExtern) {
1683 uint64_t RelocOffset = Reloc.getOffset();
1684 symbol_iterator RelocSym = Reloc.getSymbol();
1685 Relocs.push_back(x: std::make_pair(x&: RelocOffset, y: *RelocSym));
1686 }
1687 }
1688 array_pod_sort(Start: Relocs.begin(), End: Relocs.end());
1689
1690 // Dump each literal pointer.
1691 for (uint32_t i = 0; i < sect_size; i += lp_size) {
1692 if (print_addresses) {
1693 if (O->is64Bit())
1694 outs() << format(Fmt: "%016" PRIx64, Vals: sect_addr + i) << " ";
1695 else
1696 outs() << format(Fmt: "%08" PRIx64, Vals: sect_addr + i) << " ";
1697 }
1698 uint64_t lp;
1699 if (O->is64Bit()) {
1700 memcpy(dest: &lp, src: sect + i, n: sizeof(uint64_t));
1701 if (O->isLittleEndian() != sys::IsLittleEndianHost)
1702 sys::swapByteOrder(Value&: lp);
1703 } else {
1704 uint32_t li;
1705 memcpy(dest: &li, src: sect + i, n: sizeof(uint32_t));
1706 if (O->isLittleEndian() != sys::IsLittleEndianHost)
1707 sys::swapByteOrder(Value&: li);
1708 lp = li;
1709 }
1710
1711 // First look for an external relocation entry for this literal pointer.
1712 auto Reloc = find_if(Range&: Relocs, P: [&](const std::pair<uint64_t, SymbolRef> &P) {
1713 return P.first == i;
1714 });
1715 if (Reloc != Relocs.end()) {
1716 symbol_iterator RelocSym = Reloc->second;
1717 StringRef SymName = unwrapOrError(EO: RelocSym->getName(), Args: O->getFileName());
1718 outs() << "external relocation entry for symbol:" << SymName << "\n";
1719 continue;
1720 }
1721
1722 // For local references see what the section the literal pointer points to.
1723 auto Sect = find_if(Range&: LiteralSections, P: [&](const SectionRef &R) {
1724 return lp >= R.getAddress() && lp < R.getAddress() + R.getSize();
1725 });
1726 if (Sect == LiteralSections.end()) {
1727 outs() << format(Fmt: "0x%" PRIx64, Vals: lp) << " (not in a literal section)\n";
1728 continue;
1729 }
1730
1731 uint64_t SectAddress = Sect->getAddress();
1732 uint64_t SectSize = Sect->getSize();
1733
1734 StringRef SectName;
1735 Expected<StringRef> SectNameOrErr = Sect->getName();
1736 if (SectNameOrErr)
1737 SectName = *SectNameOrErr;
1738 else
1739 consumeError(Err: SectNameOrErr.takeError());
1740
1741 DataRefImpl Ref = Sect->getRawDataRefImpl();
1742 StringRef SegmentName = O->getSectionFinalSegmentName(Sec: Ref);
1743 outs() << SegmentName << ":" << SectName << ":";
1744
1745 uint32_t section_type;
1746 if (O->is64Bit()) {
1747 const MachO::section_64 Sec = O->getSection64(DRI: Ref);
1748 section_type = Sec.flags & MachO::SECTION_TYPE;
1749 } else {
1750 const MachO::section Sec = O->getSection(DRI: Ref);
1751 section_type = Sec.flags & MachO::SECTION_TYPE;
1752 }
1753
1754 StringRef BytesStr = unwrapOrError(EO: Sect->getContents(), Args: O->getFileName());
1755
1756 const char *Contents = reinterpret_cast<const char *>(BytesStr.data());
1757
1758 switch (section_type) {
1759 case MachO::S_CSTRING_LITERALS:
1760 for (uint64_t i = lp - SectAddress; i < SectSize && Contents[i] != '\0';
1761 i++) {
1762 DumpCstringChar(c: Contents[i]);
1763 }
1764 outs() << "\n";
1765 break;
1766 case MachO::S_4BYTE_LITERALS:
1767 float f;
1768 memcpy(dest: &f, src: Contents + (lp - SectAddress), n: sizeof(float));
1769 uint32_t l;
1770 memcpy(dest: &l, src: Contents + (lp - SectAddress), n: sizeof(uint32_t));
1771 if (O->isLittleEndian() != sys::IsLittleEndianHost) {
1772 sys::swapByteOrder(Value&: f);
1773 sys::swapByteOrder(Value&: l);
1774 }
1775 DumpLiteral4(l, f);
1776 break;
1777 case MachO::S_8BYTE_LITERALS: {
1778 double d;
1779 memcpy(dest: &d, src: Contents + (lp - SectAddress), n: sizeof(double));
1780 uint32_t l0, l1;
1781 memcpy(dest: &l0, src: Contents + (lp - SectAddress), n: sizeof(uint32_t));
1782 memcpy(dest: &l1, src: Contents + (lp - SectAddress) + sizeof(uint32_t),
1783 n: sizeof(uint32_t));
1784 if (O->isLittleEndian() != sys::IsLittleEndianHost) {
1785 sys::swapByteOrder(Value&: f);
1786 sys::swapByteOrder(Value&: l0);
1787 sys::swapByteOrder(Value&: l1);
1788 }
1789 DumpLiteral8(O, l0, l1, d);
1790 break;
1791 }
1792 case MachO::S_16BYTE_LITERALS: {
1793 uint32_t l0, l1, l2, l3;
1794 memcpy(dest: &l0, src: Contents + (lp - SectAddress), n: sizeof(uint32_t));
1795 memcpy(dest: &l1, src: Contents + (lp - SectAddress) + sizeof(uint32_t),
1796 n: sizeof(uint32_t));
1797 memcpy(dest: &l2, src: Contents + (lp - SectAddress) + 2 * sizeof(uint32_t),
1798 n: sizeof(uint32_t));
1799 memcpy(dest: &l3, src: Contents + (lp - SectAddress) + 3 * sizeof(uint32_t),
1800 n: sizeof(uint32_t));
1801 if (O->isLittleEndian() != sys::IsLittleEndianHost) {
1802 sys::swapByteOrder(Value&: l0);
1803 sys::swapByteOrder(Value&: l1);
1804 sys::swapByteOrder(Value&: l2);
1805 sys::swapByteOrder(Value&: l3);
1806 }
1807 DumpLiteral16(l0, l1, l2, l3);
1808 break;
1809 }
1810 }
1811 }
1812}
1813
1814static void DumpInitTermPointerSection(MachOObjectFile *O,
1815 const SectionRef &Section,
1816 const char *sect,
1817 uint32_t sect_size, uint64_t sect_addr,
1818 SymbolAddressMap *AddrMap,
1819 bool verbose) {
1820 uint32_t stride;
1821 stride = (O->is64Bit()) ? sizeof(uint64_t) : sizeof(uint32_t);
1822
1823 // Collect the external relocation symbols for the pointers.
1824 std::vector<std::pair<uint64_t, SymbolRef>> Relocs;
1825 for (const RelocationRef &Reloc : Section.relocations()) {
1826 DataRefImpl Rel;
1827 MachO::any_relocation_info RE;
1828 bool isExtern = false;
1829 Rel = Reloc.getRawDataRefImpl();
1830 RE = O->getRelocation(Rel);
1831 isExtern = O->getPlainRelocationExternal(RE);
1832 if (isExtern) {
1833 uint64_t RelocOffset = Reloc.getOffset();
1834 symbol_iterator RelocSym = Reloc.getSymbol();
1835 Relocs.push_back(x: std::make_pair(x&: RelocOffset, y: *RelocSym));
1836 }
1837 }
1838 array_pod_sort(Start: Relocs.begin(), End: Relocs.end());
1839
1840 for (uint32_t i = 0; i < sect_size; i += stride) {
1841 const char *SymbolName = nullptr;
1842 uint64_t p;
1843 if (O->is64Bit()) {
1844 outs() << format(Fmt: "0x%016" PRIx64, Vals: sect_addr + i * stride) << " ";
1845 uint64_t pointer_value;
1846 memcpy(dest: &pointer_value, src: sect + i, n: stride);
1847 if (O->isLittleEndian() != sys::IsLittleEndianHost)
1848 sys::swapByteOrder(Value&: pointer_value);
1849 outs() << format(Fmt: "0x%016" PRIx64, Vals: pointer_value);
1850 p = pointer_value;
1851 } else {
1852 outs() << format(Fmt: "0x%08" PRIx64, Vals: sect_addr + i * stride) << " ";
1853 uint32_t pointer_value;
1854 memcpy(dest: &pointer_value, src: sect + i, n: stride);
1855 if (O->isLittleEndian() != sys::IsLittleEndianHost)
1856 sys::swapByteOrder(Value&: pointer_value);
1857 outs() << format(Fmt: "0x%08" PRIx32, Vals: pointer_value);
1858 p = pointer_value;
1859 }
1860 if (verbose) {
1861 // First look for an external relocation entry for this pointer.
1862 auto Reloc = find_if(Range&: Relocs, P: [&](const std::pair<uint64_t, SymbolRef> &P) {
1863 return P.first == i;
1864 });
1865 if (Reloc != Relocs.end()) {
1866 symbol_iterator RelocSym = Reloc->second;
1867 outs() << " " << unwrapOrError(EO: RelocSym->getName(), Args: O->getFileName());
1868 } else {
1869 SymbolName = GuessSymbolName(value: p, AddrMap);
1870 if (SymbolName)
1871 outs() << " " << SymbolName;
1872 }
1873 }
1874 outs() << "\n";
1875 }
1876}
1877
1878static void DumpRawSectionContents(MachOObjectFile *O, const char *sect,
1879 uint32_t size, uint64_t addr) {
1880 uint32_t cputype = O->getHeader().cputype;
1881 if (cputype == MachO::CPU_TYPE_I386 || cputype == MachO::CPU_TYPE_X86_64) {
1882 uint32_t j;
1883 for (uint32_t i = 0; i < size; i += j, addr += j) {
1884 if (O->is64Bit())
1885 outs() << format(Fmt: "%016" PRIx64, Vals: addr) << "\t";
1886 else
1887 outs() << format(Fmt: "%08" PRIx64, Vals: addr) << "\t";
1888 for (j = 0; j < 16 && i + j < size; j++) {
1889 uint8_t byte_word = *(sect + i + j);
1890 outs() << format(Fmt: "%02" PRIx32, Vals: (uint32_t)byte_word) << " ";
1891 }
1892 outs() << "\n";
1893 }
1894 } else {
1895 uint32_t j;
1896 for (uint32_t i = 0; i < size; i += j, addr += j) {
1897 if (O->is64Bit())
1898 outs() << format(Fmt: "%016" PRIx64, Vals: addr) << "\t";
1899 else
1900 outs() << format(Fmt: "%08" PRIx64, Vals: addr) << "\t";
1901 for (j = 0; j < 4 * sizeof(int32_t) && i + j < size;
1902 j += sizeof(int32_t)) {
1903 if (i + j + sizeof(int32_t) <= size) {
1904 uint32_t long_word;
1905 memcpy(dest: &long_word, src: sect + i + j, n: sizeof(int32_t));
1906 if (O->isLittleEndian() != sys::IsLittleEndianHost)
1907 sys::swapByteOrder(Value&: long_word);
1908 outs() << format(Fmt: "%08" PRIx32, Vals: long_word) << " ";
1909 } else {
1910 for (uint32_t k = 0; i + j + k < size; k++) {
1911 uint8_t byte_word = *(sect + i + j + k);
1912 outs() << format(Fmt: "%02" PRIx32, Vals: (uint32_t)byte_word) << " ";
1913 }
1914 }
1915 }
1916 outs() << "\n";
1917 }
1918 }
1919}
1920
1921static void DisassembleMachO(StringRef Filename, MachOObjectFile *MachOOF,
1922 StringRef DisSegName, StringRef DisSectName);
1923static void DumpProtocolSection(MachOObjectFile *O, const char *sect,
1924 uint32_t size, uint32_t addr);
1925static void DumpSectionContents(StringRef Filename, MachOObjectFile *O,
1926 bool verbose) {
1927 SymbolAddressMap AddrMap;
1928 if (verbose)
1929 CreateSymbolAddressMap(O, AddrMap: &AddrMap);
1930
1931 for (unsigned i = 0; i < FilterSections.size(); ++i) {
1932 StringRef DumpSection = FilterSections[i];
1933 std::pair<StringRef, StringRef> DumpSegSectName;
1934 DumpSegSectName = DumpSection.split(Separator: ',');
1935 StringRef DumpSegName, DumpSectName;
1936 if (!DumpSegSectName.second.empty()) {
1937 DumpSegName = DumpSegSectName.first;
1938 DumpSectName = DumpSegSectName.second;
1939 } else {
1940 DumpSegName = "";
1941 DumpSectName = DumpSegSectName.first;
1942 }
1943 for (const SectionRef &Section : O->sections()) {
1944 StringRef SectName;
1945 Expected<StringRef> SecNameOrErr = Section.getName();
1946 if (SecNameOrErr)
1947 SectName = *SecNameOrErr;
1948 else
1949 consumeError(Err: SecNameOrErr.takeError());
1950
1951 if (!DumpSection.empty())
1952 FoundSectionSet.insert(key: DumpSection);
1953
1954 DataRefImpl Ref = Section.getRawDataRefImpl();
1955 StringRef SegName = O->getSectionFinalSegmentName(Sec: Ref);
1956 if ((DumpSegName.empty() || SegName == DumpSegName) &&
1957 (SectName == DumpSectName)) {
1958
1959 uint32_t section_flags;
1960 if (O->is64Bit()) {
1961 const MachO::section_64 Sec = O->getSection64(DRI: Ref);
1962 section_flags = Sec.flags;
1963
1964 } else {
1965 const MachO::section Sec = O->getSection(DRI: Ref);
1966 section_flags = Sec.flags;
1967 }
1968 uint32_t section_type = section_flags & MachO::SECTION_TYPE;
1969
1970 StringRef BytesStr =
1971 unwrapOrError(EO: Section.getContents(), Args: O->getFileName());
1972 const char *sect = reinterpret_cast<const char *>(BytesStr.data());
1973 uint32_t sect_size = BytesStr.size();
1974 uint64_t sect_addr = Section.getAddress();
1975
1976 if (LeadingHeaders)
1977 outs() << "Contents of (" << SegName << "," << SectName
1978 << ") section\n";
1979
1980 if (verbose) {
1981 if ((section_flags & MachO::S_ATTR_PURE_INSTRUCTIONS) ||
1982 (section_flags & MachO::S_ATTR_SOME_INSTRUCTIONS)) {
1983 DisassembleMachO(Filename, MachOOF: O, DisSegName: SegName, DisSectName: SectName);
1984 continue;
1985 }
1986 if (SegName == "__TEXT" && SectName == "__info_plist") {
1987 outs() << sect;
1988 continue;
1989 }
1990 if (SegName == "__OBJC" && SectName == "__protocol") {
1991 DumpProtocolSection(O, sect, size: sect_size, addr: sect_addr);
1992 continue;
1993 }
1994 switch (section_type) {
1995 case MachO::S_REGULAR:
1996 DumpRawSectionContents(O, sect, size: sect_size, addr: sect_addr);
1997 break;
1998 case MachO::S_ZEROFILL:
1999 outs() << "zerofill section and has no contents in the file\n";
2000 break;
2001 case MachO::S_CSTRING_LITERALS:
2002 DumpCstringSection(O, sect, sect_size, sect_addr, print_addresses: LeadingAddr);
2003 break;
2004 case MachO::S_4BYTE_LITERALS:
2005 DumpLiteral4Section(O, sect, sect_size, sect_addr, print_addresses: LeadingAddr);
2006 break;
2007 case MachO::S_8BYTE_LITERALS:
2008 DumpLiteral8Section(O, sect, sect_size, sect_addr, print_addresses: LeadingAddr);
2009 break;
2010 case MachO::S_16BYTE_LITERALS:
2011 DumpLiteral16Section(O, sect, sect_size, sect_addr, print_addresses: LeadingAddr);
2012 break;
2013 case MachO::S_LITERAL_POINTERS:
2014 DumpLiteralPointerSection(O, Section, sect, sect_size, sect_addr,
2015 print_addresses: LeadingAddr);
2016 break;
2017 case MachO::S_MOD_INIT_FUNC_POINTERS:
2018 case MachO::S_MOD_TERM_FUNC_POINTERS:
2019 DumpInitTermPointerSection(O, Section, sect, sect_size, sect_addr,
2020 AddrMap: &AddrMap, verbose);
2021 break;
2022 default:
2023 outs() << "Unknown section type ("
2024 << format(Fmt: "0x%08" PRIx32, Vals: section_type) << ")\n";
2025 DumpRawSectionContents(O, sect, size: sect_size, addr: sect_addr);
2026 break;
2027 }
2028 } else {
2029 if (section_type == MachO::S_ZEROFILL)
2030 outs() << "zerofill section and has no contents in the file\n";
2031 else
2032 DumpRawSectionContents(O, sect, size: sect_size, addr: sect_addr);
2033 }
2034 }
2035 }
2036 }
2037}
2038
2039static void DumpInfoPlistSectionContents(StringRef Filename,
2040 MachOObjectFile *O) {
2041 for (const SectionRef &Section : O->sections()) {
2042 StringRef SectName;
2043 Expected<StringRef> SecNameOrErr = Section.getName();
2044 if (SecNameOrErr)
2045 SectName = *SecNameOrErr;
2046 else
2047 consumeError(Err: SecNameOrErr.takeError());
2048
2049 DataRefImpl Ref = Section.getRawDataRefImpl();
2050 StringRef SegName = O->getSectionFinalSegmentName(Sec: Ref);
2051 if (SegName == "__TEXT" && SectName == "__info_plist") {
2052 if (LeadingHeaders)
2053 outs() << "Contents of (" << SegName << "," << SectName << ") section\n";
2054 StringRef BytesStr =
2055 unwrapOrError(EO: Section.getContents(), Args: O->getFileName());
2056 const char *sect = reinterpret_cast<const char *>(BytesStr.data());
2057 outs() << format(Fmt: "%.*s", Vals: BytesStr.size(), Vals: sect) << "\n";
2058 return;
2059 }
2060 }
2061}
2062
2063// checkMachOAndArchFlags() checks to see if the ObjectFile is a Mach-O file
2064// and if it is and there is a list of architecture flags is specified then
2065// check to make sure this Mach-O file is one of those architectures or all
2066// architectures were specified. If not then an error is generated and this
2067// routine returns false. Else it returns true.
2068static bool checkMachOAndArchFlags(ObjectFile *O, StringRef Filename) {
2069 auto *MachO = dyn_cast<MachOObjectFile>(Val: O);
2070
2071 if (!MachO || ArchAll || ArchFlags.empty())
2072 return true;
2073
2074 MachO::mach_header H;
2075 MachO::mach_header_64 H_64;
2076 Triple T;
2077 const char *McpuDefault, *ArchFlag;
2078 if (MachO->is64Bit()) {
2079 H_64 = MachO->MachOObjectFile::getHeader64();
2080 T = MachOObjectFile::getArchTriple(CPUType: H_64.cputype, CPUSubType: H_64.cpusubtype,
2081 McpuDefault: &McpuDefault, ArchFlag: &ArchFlag);
2082 } else {
2083 H = MachO->MachOObjectFile::getHeader();
2084 T = MachOObjectFile::getArchTriple(CPUType: H.cputype, CPUSubType: H.cpusubtype,
2085 McpuDefault: &McpuDefault, ArchFlag: &ArchFlag);
2086 }
2087 const std::string ArchFlagName(ArchFlag);
2088 if (!llvm::is_contained(Range&: ArchFlags, Element: ArchFlagName)) {
2089 WithColor::error(OS&: errs(), Prefix: "llvm-objdump")
2090 << Filename << ": no architecture specified.\n";
2091 return false;
2092 }
2093 return true;
2094}
2095
2096static void printObjcMetaData(MachOObjectFile *O, bool verbose);
2097
2098// ProcessMachO() is passed a single opened Mach-O file, which may be an
2099// archive member and or in a slice of a universal file. It prints the
2100// the file name and header info and then processes it according to the
2101// command line options.
2102static void ProcessMachO(StringRef Name, MachOObjectFile *MachOOF,
2103 StringRef ArchiveMemberName = StringRef(),
2104 StringRef ArchitectureName = StringRef()) {
2105 std::unique_ptr<Dumper> D = createMachODumper(Obj: *MachOOF);
2106
2107 // If we are doing some processing here on the Mach-O file print the header
2108 // info. And don't print it otherwise like in the case of printing the
2109 // UniversalHeaders or ArchiveHeaders.
2110 if (Disassemble || Relocations || PrivateHeaders || ExportsTrie || Rebase ||
2111 Bind || SymbolTable || LazyBind || WeakBind || IndirectSymbols ||
2112 DataInCode || FunctionStartsType != FunctionStartsMode::None ||
2113 LinkOptHints || ChainedFixups || DyldInfo || DylibsUsed || DylibId ||
2114 Rpaths || ObjcMetaData || (!FilterSections.empty())) {
2115 if (LeadingHeaders) {
2116 outs() << Name;
2117 if (!ArchiveMemberName.empty())
2118 outs() << '(' << ArchiveMemberName << ')';
2119 if (!ArchitectureName.empty())
2120 outs() << " (architecture " << ArchitectureName << ")";
2121 outs() << ":\n";
2122 }
2123 }
2124 // To use the report_error() form with an ArchiveName and FileName set
2125 // these up based on what is passed for Name and ArchiveMemberName.
2126 StringRef ArchiveName;
2127 StringRef FileName;
2128 if (!ArchiveMemberName.empty()) {
2129 ArchiveName = Name;
2130 FileName = ArchiveMemberName;
2131 } else {
2132 ArchiveName = StringRef();
2133 FileName = Name;
2134 }
2135
2136 // If we need the symbol table to do the operation then check it here to
2137 // produce a good error message as to where the Mach-O file comes from in
2138 // the error message.
2139 if (Disassemble || IndirectSymbols || !FilterSections.empty() || UnwindInfo)
2140 if (Error Err = MachOOF->checkSymbolTable())
2141 reportError(E: std::move(Err), FileName, ArchiveName, ArchitectureName);
2142
2143 if (DisassembleAll) {
2144 for (const SectionRef &Section : MachOOF->sections()) {
2145 StringRef SectName;
2146 if (Expected<StringRef> NameOrErr = Section.getName())
2147 SectName = *NameOrErr;
2148 else
2149 consumeError(Err: NameOrErr.takeError());
2150
2151 if (SectName == "__text") {
2152 DataRefImpl Ref = Section.getRawDataRefImpl();
2153 StringRef SegName = MachOOF->getSectionFinalSegmentName(Sec: Ref);
2154 DisassembleMachO(Filename: FileName, MachOOF, DisSegName: SegName, DisSectName: SectName);
2155 }
2156 }
2157 }
2158 else if (Disassemble) {
2159 if (MachOOF->getHeader().filetype == MachO::MH_KEXT_BUNDLE &&
2160 MachOOF->getHeader().cputype == MachO::CPU_TYPE_ARM64)
2161 DisassembleMachO(Filename: FileName, MachOOF, DisSegName: "__TEXT_EXEC", DisSectName: "__text");
2162 else
2163 DisassembleMachO(Filename: FileName, MachOOF, DisSegName: "__TEXT", DisSectName: "__text");
2164 }
2165 if (IndirectSymbols)
2166 PrintIndirectSymbols(O: MachOOF, verbose: Verbose);
2167 if (DataInCode)
2168 PrintDataInCodeTable(O: MachOOF, verbose: Verbose);
2169 if (FunctionStartsType != FunctionStartsMode::None)
2170 PrintFunctionStarts(O: MachOOF);
2171 if (LinkOptHints)
2172 PrintLinkOptHints(O: MachOOF);
2173 if (Relocations)
2174 PrintRelocations(O: MachOOF, verbose: Verbose);
2175 if (SectionHeaders)
2176 printSectionHeaders(O&: *MachOOF);
2177 if (SectionContents)
2178 printSectionContents(O: MachOOF);
2179 if (!FilterSections.empty())
2180 DumpSectionContents(Filename: FileName, O: MachOOF, verbose: Verbose);
2181 if (InfoPlist)
2182 DumpInfoPlistSectionContents(Filename: FileName, O: MachOOF);
2183 if (DyldInfo)
2184 PrintDyldInfo(O: MachOOF);
2185 if (ChainedFixups)
2186 PrintChainedFixups(O: MachOOF);
2187 if (DylibsUsed)
2188 PrintDylibs(O: MachOOF, JustId: false);
2189 if (DylibId)
2190 PrintDylibs(O: MachOOF, JustId: true);
2191 if (SymbolTable)
2192 D->printSymbolTable(ArchiveName, ArchitectureName);
2193 if (UnwindInfo)
2194 printMachOUnwindInfo(O: MachOOF);
2195 if (PrivateHeaders) {
2196 printMachOFileHeader(O: MachOOF);
2197 printMachOLoadCommands(O: MachOOF);
2198 }
2199 if (FirstPrivateHeader)
2200 printMachOFileHeader(O: MachOOF);
2201 if (ObjcMetaData)
2202 printObjcMetaData(O: MachOOF, verbose: Verbose);
2203 if (ExportsTrie)
2204 printExportsTrie(O: MachOOF);
2205 if (Rebase)
2206 printRebaseTable(O: MachOOF);
2207 if (Rpaths)
2208 printRpaths(O: MachOOF);
2209 if (Bind)
2210 printBindTable(O: MachOOF);
2211 if (LazyBind)
2212 printLazyBindTable(O: MachOOF);
2213 if (WeakBind)
2214 printWeakBindTable(O: MachOOF);
2215
2216 if (DwarfDumpType != DIDT_Null) {
2217 std::unique_ptr<DIContext> DICtx = DWARFContext::create(Obj: *MachOOF);
2218 // Dump the complete DWARF structure.
2219 DIDumpOptions DumpOpts;
2220 DumpOpts.DumpType = DwarfDumpType;
2221 DICtx->dump(OS&: outs(), DumpOpts);
2222 }
2223}
2224
2225// printUnknownCPUType() helps print_fat_headers for unknown CPU's.
2226static void printUnknownCPUType(uint32_t cputype, uint32_t cpusubtype) {
2227 outs() << " cputype (" << cputype << ")\n";
2228 outs() << " cpusubtype (" << cpusubtype << ")\n";
2229}
2230
2231// printCPUType() helps print_fat_headers by printing the cputype and
2232// pusubtype (symbolically for the one's it knows about).
2233static void printCPUType(uint32_t cputype, uint32_t cpusubtype) {
2234 switch (cputype) {
2235 case MachO::CPU_TYPE_I386:
2236 switch (cpusubtype) {
2237 case MachO::CPU_SUBTYPE_I386_ALL:
2238 outs() << " cputype CPU_TYPE_I386\n";
2239 outs() << " cpusubtype CPU_SUBTYPE_I386_ALL\n";
2240 break;
2241 default:
2242 printUnknownCPUType(cputype, cpusubtype);
2243 break;
2244 }
2245 break;
2246 case MachO::CPU_TYPE_X86_64:
2247 switch (cpusubtype) {
2248 case MachO::CPU_SUBTYPE_X86_64_ALL:
2249 outs() << " cputype CPU_TYPE_X86_64\n";
2250 outs() << " cpusubtype CPU_SUBTYPE_X86_64_ALL\n";
2251 break;
2252 case MachO::CPU_SUBTYPE_X86_64_H:
2253 outs() << " cputype CPU_TYPE_X86_64\n";
2254 outs() << " cpusubtype CPU_SUBTYPE_X86_64_H\n";
2255 break;
2256 default:
2257 printUnknownCPUType(cputype, cpusubtype);
2258 break;
2259 }
2260 break;
2261 case MachO::CPU_TYPE_ARM:
2262 switch (cpusubtype) {
2263 case MachO::CPU_SUBTYPE_ARM_ALL:
2264 outs() << " cputype CPU_TYPE_ARM\n";
2265 outs() << " cpusubtype CPU_SUBTYPE_ARM_ALL\n";
2266 break;
2267 case MachO::CPU_SUBTYPE_ARM_V4T:
2268 outs() << " cputype CPU_TYPE_ARM\n";
2269 outs() << " cpusubtype CPU_SUBTYPE_ARM_V4T\n";
2270 break;
2271 case MachO::CPU_SUBTYPE_ARM_V5TEJ:
2272 outs() << " cputype CPU_TYPE_ARM\n";
2273 outs() << " cpusubtype CPU_SUBTYPE_ARM_V5TEJ\n";
2274 break;
2275 case MachO::CPU_SUBTYPE_ARM_XSCALE:
2276 outs() << " cputype CPU_TYPE_ARM\n";
2277 outs() << " cpusubtype CPU_SUBTYPE_ARM_XSCALE\n";
2278 break;
2279 case MachO::CPU_SUBTYPE_ARM_V6:
2280 outs() << " cputype CPU_TYPE_ARM\n";
2281 outs() << " cpusubtype CPU_SUBTYPE_ARM_V6\n";
2282 break;
2283 case MachO::CPU_SUBTYPE_ARM_V6M:
2284 outs() << " cputype CPU_TYPE_ARM\n";
2285 outs() << " cpusubtype CPU_SUBTYPE_ARM_V6M\n";
2286 break;
2287 case MachO::CPU_SUBTYPE_ARM_V7:
2288 outs() << " cputype CPU_TYPE_ARM\n";
2289 outs() << " cpusubtype CPU_SUBTYPE_ARM_V7\n";
2290 break;
2291 case MachO::CPU_SUBTYPE_ARM_V7EM:
2292 outs() << " cputype CPU_TYPE_ARM\n";
2293 outs() << " cpusubtype CPU_SUBTYPE_ARM_V7EM\n";
2294 break;
2295 case MachO::CPU_SUBTYPE_ARM_V7K:
2296 outs() << " cputype CPU_TYPE_ARM\n";
2297 outs() << " cpusubtype CPU_SUBTYPE_ARM_V7K\n";
2298 break;
2299 case MachO::CPU_SUBTYPE_ARM_V7M:
2300 outs() << " cputype CPU_TYPE_ARM\n";
2301 outs() << " cpusubtype CPU_SUBTYPE_ARM_V7M\n";
2302 break;
2303 case MachO::CPU_SUBTYPE_ARM_V7S:
2304 outs() << " cputype CPU_TYPE_ARM\n";
2305 outs() << " cpusubtype CPU_SUBTYPE_ARM_V7S\n";
2306 break;
2307 default:
2308 printUnknownCPUType(cputype, cpusubtype);
2309 break;
2310 }
2311 break;
2312 case MachO::CPU_TYPE_ARM64:
2313 switch (cpusubtype & ~MachO::CPU_SUBTYPE_MASK) {
2314 case MachO::CPU_SUBTYPE_ARM64_ALL:
2315 outs() << " cputype CPU_TYPE_ARM64\n";
2316 outs() << " cpusubtype CPU_SUBTYPE_ARM64_ALL\n";
2317 break;
2318 case MachO::CPU_SUBTYPE_ARM64_V8:
2319 outs() << " cputype CPU_TYPE_ARM64\n";
2320 outs() << " cpusubtype CPU_SUBTYPE_ARM64_V8\n";
2321 break;
2322 case MachO::CPU_SUBTYPE_ARM64E:
2323 outs() << " cputype CPU_TYPE_ARM64\n";
2324 outs() << " cpusubtype CPU_SUBTYPE_ARM64E\n";
2325 break;
2326 default:
2327 printUnknownCPUType(cputype, cpusubtype);
2328 break;
2329 }
2330 break;
2331 case MachO::CPU_TYPE_ARM64_32:
2332 switch (cpusubtype & ~MachO::CPU_SUBTYPE_MASK) {
2333 case MachO::CPU_SUBTYPE_ARM64_32_V8:
2334 outs() << " cputype CPU_TYPE_ARM64_32\n";
2335 outs() << " cpusubtype CPU_SUBTYPE_ARM64_32_V8\n";
2336 break;
2337 default:
2338 printUnknownCPUType(cputype, cpusubtype);
2339 break;
2340 }
2341 break;
2342 default:
2343 printUnknownCPUType(cputype, cpusubtype);
2344 break;
2345 }
2346}
2347
2348static void printMachOUniversalHeaders(const object::MachOUniversalBinary *UB,
2349 bool verbose) {
2350 outs() << "Fat headers\n";
2351 if (verbose) {
2352 if (UB->getMagic() == MachO::FAT_MAGIC)
2353 outs() << "fat_magic FAT_MAGIC\n";
2354 else // UB->getMagic() == MachO::FAT_MAGIC_64
2355 outs() << "fat_magic FAT_MAGIC_64\n";
2356 } else
2357 outs() << "fat_magic " << format(Fmt: "0x%" PRIx32, Vals: MachO::FAT_MAGIC) << "\n";
2358
2359 uint32_t nfat_arch = UB->getNumberOfObjects();
2360 StringRef Buf = UB->getData();
2361 uint64_t size = Buf.size();
2362 uint64_t big_size = sizeof(struct MachO::fat_header) +
2363 nfat_arch * sizeof(struct MachO::fat_arch);
2364 outs() << "nfat_arch " << UB->getNumberOfObjects();
2365 if (nfat_arch == 0)
2366 outs() << " (malformed, contains zero architecture types)\n";
2367 else if (big_size > size)
2368 outs() << " (malformed, architectures past end of file)\n";
2369 else
2370 outs() << "\n";
2371
2372 for (uint32_t i = 0; i < nfat_arch; ++i) {
2373 MachOUniversalBinary::ObjectForArch OFA(UB, i);
2374 uint32_t cputype = OFA.getCPUType();
2375 uint32_t cpusubtype = OFA.getCPUSubType();
2376 outs() << "architecture ";
2377 for (uint32_t j = 0; i != 0 && j <= i - 1; j++) {
2378 MachOUniversalBinary::ObjectForArch other_OFA(UB, j);
2379 uint32_t other_cputype = other_OFA.getCPUType();
2380 uint32_t other_cpusubtype = other_OFA.getCPUSubType();
2381 if (cputype != 0 && cpusubtype != 0 && cputype == other_cputype &&
2382 (cpusubtype & ~MachO::CPU_SUBTYPE_MASK) ==
2383 (other_cpusubtype & ~MachO::CPU_SUBTYPE_MASK)) {
2384 outs() << "(illegal duplicate architecture) ";
2385 break;
2386 }
2387 }
2388 if (verbose) {
2389 outs() << OFA.getArchFlagName() << "\n";
2390 printCPUType(cputype, cpusubtype: cpusubtype & ~MachO::CPU_SUBTYPE_MASK);
2391 } else {
2392 outs() << i << "\n";
2393 outs() << " cputype " << cputype << "\n";
2394 outs() << " cpusubtype " << (cpusubtype & ~MachO::CPU_SUBTYPE_MASK)
2395 << "\n";
2396 }
2397 if (verbose &&
2398 (cpusubtype & MachO::CPU_SUBTYPE_MASK) == MachO::CPU_SUBTYPE_LIB64)
2399 outs() << " capabilities CPU_SUBTYPE_LIB64\n";
2400 else
2401 outs() << " capabilities "
2402 << format(Fmt: "0x%" PRIx32,
2403 Vals: (cpusubtype & MachO::CPU_SUBTYPE_MASK) >> 24) << "\n";
2404 outs() << " offset " << OFA.getOffset();
2405 if (OFA.getOffset() > size)
2406 outs() << " (past end of file)";
2407 if (OFA.getOffset() % (1ull << OFA.getAlign()) != 0)
2408 outs() << " (not aligned on it's alignment (2^" << OFA.getAlign() << ")";
2409 outs() << "\n";
2410 outs() << " size " << OFA.getSize();
2411 big_size = OFA.getOffset() + OFA.getSize();
2412 if (big_size > size)
2413 outs() << " (past end of file)";
2414 outs() << "\n";
2415 outs() << " align 2^" << OFA.getAlign() << " (" << (1 << OFA.getAlign())
2416 << ")\n";
2417 }
2418}
2419
2420static void printArchiveChild(StringRef Filename, const Archive::Child &C,
2421 size_t ChildIndex, bool verbose,
2422 bool print_offset,
2423 StringRef ArchitectureName = StringRef()) {
2424 if (print_offset)
2425 outs() << C.getChildOffset() << "\t";
2426 sys::fs::perms Mode =
2427 unwrapOrError(EO: C.getAccessMode(), Args: getFileNameForError(C, Index: ChildIndex),
2428 Args&: Filename, Args&: ArchitectureName);
2429 if (verbose) {
2430 // FIXME: this first dash, "-", is for (Mode & S_IFMT) == S_IFREG.
2431 // But there is nothing in sys::fs::perms for S_IFMT or S_IFREG.
2432 outs() << "-";
2433 outs() << ((Mode & sys::fs::owner_read) ? "r" : "-");
2434 outs() << ((Mode & sys::fs::owner_write) ? "w" : "-");
2435 outs() << ((Mode & sys::fs::owner_exe) ? "x" : "-");
2436 outs() << ((Mode & sys::fs::group_read) ? "r" : "-");
2437 outs() << ((Mode & sys::fs::group_write) ? "w" : "-");
2438 outs() << ((Mode & sys::fs::group_exe) ? "x" : "-");
2439 outs() << ((Mode & sys::fs::others_read) ? "r" : "-");
2440 outs() << ((Mode & sys::fs::others_write) ? "w" : "-");
2441 outs() << ((Mode & sys::fs::others_exe) ? "x" : "-");
2442 } else {
2443 outs() << format(Fmt: "0%o ", Vals: Mode);
2444 }
2445
2446 outs() << format(Fmt: "%3d/%-3d %5" PRId64 " ",
2447 Vals: unwrapOrError(EO: C.getUID(), Args: getFileNameForError(C, Index: ChildIndex),
2448 Args&: Filename, Args&: ArchitectureName),
2449 Vals: unwrapOrError(EO: C.getGID(), Args: getFileNameForError(C, Index: ChildIndex),
2450 Args&: Filename, Args&: ArchitectureName),
2451 Vals: unwrapOrError(EO: C.getRawSize(),
2452 Args: getFileNameForError(C, Index: ChildIndex), Args&: Filename,
2453 Args&: ArchitectureName));
2454
2455 StringRef RawLastModified = C.getRawLastModified();
2456 if (verbose) {
2457 unsigned Seconds;
2458 if (RawLastModified.getAsInteger(Radix: 10, Result&: Seconds))
2459 outs() << "(date: \"" << RawLastModified
2460 << "\" contains non-decimal chars) ";
2461 else {
2462 // Since cime(3) returns a 26 character string of the form:
2463 // "Sun Sep 16 01:03:52 1973\n\0"
2464 // just print 24 characters.
2465 time_t t = Seconds;
2466 outs() << format(Fmt: "%.24s ", Vals: ctime(timer: &t));
2467 }
2468 } else {
2469 outs() << RawLastModified << " ";
2470 }
2471
2472 if (verbose) {
2473 Expected<StringRef> NameOrErr = C.getName();
2474 if (!NameOrErr) {
2475 consumeError(Err: NameOrErr.takeError());
2476 outs() << unwrapOrError(EO: C.getRawName(),
2477 Args: getFileNameForError(C, Index: ChildIndex), Args&: Filename,
2478 Args&: ArchitectureName)
2479 << "\n";
2480 } else {
2481 StringRef Name = NameOrErr.get();
2482 outs() << Name << "\n";
2483 }
2484 } else {
2485 outs() << unwrapOrError(EO: C.getRawName(), Args: getFileNameForError(C, Index: ChildIndex),
2486 Args&: Filename, Args&: ArchitectureName)
2487 << "\n";
2488 }
2489}
2490
2491static void printArchiveHeaders(StringRef Filename, Archive *A, bool verbose,
2492 bool print_offset,
2493 StringRef ArchitectureName = StringRef()) {
2494 Error Err = Error::success();
2495 size_t I = 0;
2496 for (const auto &C : A->children(Err, SkipInternal: false))
2497 printArchiveChild(Filename, C, ChildIndex: I++, verbose, print_offset,
2498 ArchitectureName);
2499
2500 if (Err)
2501 reportError(E: std::move(Err), FileName: Filename, ArchiveName: "", ArchitectureName);
2502}
2503
2504static bool ValidateArchFlags() {
2505 // Check for -arch all and verifiy the -arch flags are valid.
2506 for (unsigned i = 0; i < ArchFlags.size(); ++i) {
2507 if (ArchFlags[i] == "all") {
2508 ArchAll = true;
2509 } else {
2510 if (!MachOObjectFile::isValidArch(ArchFlag: ArchFlags[i])) {
2511 WithColor::error(OS&: errs(), Prefix: "llvm-objdump")
2512 << "unknown architecture named '" + ArchFlags[i] +
2513 "'for the -arch option\n";
2514 return false;
2515 }
2516 }
2517 }
2518 return true;
2519}
2520
2521// ParseInputMachO() parses the named Mach-O file in Filename and handles the
2522// -arch flags selecting just those slices as specified by them and also parses
2523// archive files. Then for each individual Mach-O file ProcessMachO() is
2524// called to process the file based on the command line options.
2525void objdump::parseInputMachO(StringRef Filename) {
2526 if (!ValidateArchFlags())
2527 return;
2528
2529 // Attempt to open the binary.
2530 Expected<OwningBinary<Binary>> BinaryOrErr = createBinary(Path: Filename);
2531 if (!BinaryOrErr) {
2532 if (Error E = isNotObjectErrorInvalidFileType(Err: BinaryOrErr.takeError()))
2533 reportError(E: std::move(E), FileName: Filename);
2534 else
2535 outs() << Filename << ": is not an object file\n";
2536 return;
2537 }
2538 Binary &Bin = *BinaryOrErr.get().getBinary();
2539
2540 if (Archive *A = dyn_cast<Archive>(Val: &Bin)) {
2541 outs() << "Archive : " << Filename << "\n";
2542 if (ArchiveHeaders)
2543 printArchiveHeaders(Filename, A, verbose: Verbose, print_offset: ArchiveMemberOffsets);
2544
2545 Error Err = Error::success();
2546 unsigned I = -1;
2547 for (auto &C : A->children(Err)) {
2548 ++I;
2549 Expected<std::unique_ptr<Binary>> ChildOrErr = C.getAsBinary();
2550 if (!ChildOrErr) {
2551 if (Error E = isNotObjectErrorInvalidFileType(Err: ChildOrErr.takeError()))
2552 reportError(E: std::move(E), FileName: getFileNameForError(C, Index: I), ArchiveName: Filename);
2553 continue;
2554 }
2555 if (MachOObjectFile *O = dyn_cast<MachOObjectFile>(Val: &*ChildOrErr.get())) {
2556 if (!checkMachOAndArchFlags(O, Filename))
2557 return;
2558 ProcessMachO(Name: Filename, MachOOF: O, ArchiveMemberName: O->getFileName());
2559 }
2560 }
2561 if (Err)
2562 reportError(E: std::move(Err), FileName: Filename);
2563 return;
2564 }
2565 if (MachOUniversalBinary *UB = dyn_cast<MachOUniversalBinary>(Val: &Bin)) {
2566 parseInputMachO(UB);
2567 return;
2568 }
2569 if (ObjectFile *O = dyn_cast<ObjectFile>(Val: &Bin)) {
2570 if (!checkMachOAndArchFlags(O, Filename))
2571 return;
2572 if (MachOObjectFile *MachOOF = dyn_cast<MachOObjectFile>(Val: &*O))
2573 ProcessMachO(Name: Filename, MachOOF);
2574 else
2575 WithColor::error(OS&: errs(), Prefix: "llvm-objdump")
2576 << Filename << "': "
2577 << "object is not a Mach-O file type.\n";
2578 return;
2579 }
2580 llvm_unreachable("Input object can't be invalid at this point");
2581}
2582
2583void objdump::parseInputMachO(MachOUniversalBinary *UB) {
2584 if (!ValidateArchFlags())
2585 return;
2586
2587 auto Filename = UB->getFileName();
2588
2589 if (UniversalHeaders)
2590 printMachOUniversalHeaders(UB, verbose: Verbose);
2591
2592 // If we have a list of architecture flags specified dump only those.
2593 if (!ArchAll && !ArchFlags.empty()) {
2594 // Look for a slice in the universal binary that matches each ArchFlag.
2595 bool ArchFound;
2596 for (unsigned i = 0; i < ArchFlags.size(); ++i) {
2597 ArchFound = false;
2598 for (MachOUniversalBinary::object_iterator I = UB->begin_objects(),
2599 E = UB->end_objects();
2600 I != E; ++I) {
2601 if (ArchFlags[i] == I->getArchFlagName()) {
2602 ArchFound = true;
2603 Expected<std::unique_ptr<ObjectFile>> ObjOrErr =
2604 I->getAsObjectFile();
2605 std::string ArchitectureName;
2606 if (ArchFlags.size() > 1)
2607 ArchitectureName = I->getArchFlagName();
2608 if (ObjOrErr) {
2609 ObjectFile &O = *ObjOrErr.get();
2610 if (MachOObjectFile *MachOOF = dyn_cast<MachOObjectFile>(Val: &O))
2611 ProcessMachO(Name: Filename, MachOOF, ArchiveMemberName: "", ArchitectureName);
2612 } else if (Error E = isNotObjectErrorInvalidFileType(
2613 Err: ObjOrErr.takeError())) {
2614 reportError(E: std::move(E), FileName: "", ArchiveName: Filename, ArchitectureName);
2615 continue;
2616 } else if (Expected<std::unique_ptr<Archive>> AOrErr =
2617 I->getAsArchive()) {
2618 std::unique_ptr<Archive> &A = *AOrErr;
2619 outs() << "Archive : " << Filename;
2620 if (!ArchitectureName.empty())
2621 outs() << " (architecture " << ArchitectureName << ")";
2622 outs() << "\n";
2623 if (ArchiveHeaders)
2624 printArchiveHeaders(Filename, A: A.get(), verbose: Verbose,
2625 print_offset: ArchiveMemberOffsets, ArchitectureName);
2626 Error Err = Error::success();
2627 unsigned I = -1;
2628 for (auto &C : A->children(Err)) {
2629 ++I;
2630 Expected<std::unique_ptr<Binary>> ChildOrErr = C.getAsBinary();
2631 if (!ChildOrErr) {
2632 if (Error E =
2633 isNotObjectErrorInvalidFileType(Err: ChildOrErr.takeError()))
2634 reportError(E: std::move(E), FileName: getFileNameForError(C, Index: I), ArchiveName: Filename,
2635 ArchitectureName);
2636 continue;
2637 }
2638 if (MachOObjectFile *O =
2639 dyn_cast<MachOObjectFile>(Val: &*ChildOrErr.get()))
2640 ProcessMachO(Name: Filename, MachOOF: O, ArchiveMemberName: O->getFileName(), ArchitectureName);
2641 }
2642 if (Err)
2643 reportError(E: std::move(Err), FileName: Filename);
2644 } else {
2645 consumeError(Err: AOrErr.takeError());
2646 reportError(File: Filename,
2647 Message: "Mach-O universal file for architecture " +
2648 StringRef(I->getArchFlagName()) +
2649 " is not a Mach-O file or an archive file");
2650 }
2651 }
2652 }
2653 if (!ArchFound) {
2654 WithColor::error(OS&: errs(), Prefix: "llvm-objdump")
2655 << "file: " + Filename + " does not contain "
2656 << "architecture: " + ArchFlags[i] + "\n";
2657 return;
2658 }
2659 }
2660 return;
2661 }
2662 // No architecture flags were specified so if this contains a slice that
2663 // matches the host architecture dump only that.
2664 if (!ArchAll) {
2665 for (MachOUniversalBinary::object_iterator I = UB->begin_objects(),
2666 E = UB->end_objects();
2667 I != E; ++I) {
2668 if (MachOObjectFile::getHostArch().getArchName() ==
2669 I->getArchFlagName()) {
2670 Expected<std::unique_ptr<ObjectFile>> ObjOrErr = I->getAsObjectFile();
2671 std::string ArchiveName;
2672 ArchiveName.clear();
2673 if (ObjOrErr) {
2674 ObjectFile &O = *ObjOrErr.get();
2675 if (MachOObjectFile *MachOOF = dyn_cast<MachOObjectFile>(Val: &O))
2676 ProcessMachO(Name: Filename, MachOOF);
2677 } else if (Error E =
2678 isNotObjectErrorInvalidFileType(Err: ObjOrErr.takeError())) {
2679 reportError(E: std::move(E), FileName: Filename);
2680 } else if (Expected<std::unique_ptr<Archive>> AOrErr =
2681 I->getAsArchive()) {
2682 std::unique_ptr<Archive> &A = *AOrErr;
2683 outs() << "Archive : " << Filename << "\n";
2684 if (ArchiveHeaders)
2685 printArchiveHeaders(Filename, A: A.get(), verbose: Verbose,
2686 print_offset: ArchiveMemberOffsets);
2687 Error Err = Error::success();
2688 unsigned I = -1;
2689 for (auto &C : A->children(Err)) {
2690 ++I;
2691 Expected<std::unique_ptr<Binary>> ChildOrErr = C.getAsBinary();
2692 if (!ChildOrErr) {
2693 if (Error E =
2694 isNotObjectErrorInvalidFileType(Err: ChildOrErr.takeError()))
2695 reportError(E: std::move(E), FileName: getFileNameForError(C, Index: I), ArchiveName: Filename);
2696 continue;
2697 }
2698 if (MachOObjectFile *O =
2699 dyn_cast<MachOObjectFile>(Val: &*ChildOrErr.get()))
2700 ProcessMachO(Name: Filename, MachOOF: O, ArchiveMemberName: O->getFileName());
2701 }
2702 if (Err)
2703 reportError(E: std::move(Err), FileName: Filename);
2704 } else {
2705 consumeError(Err: AOrErr.takeError());
2706 reportError(File: Filename, Message: "Mach-O universal file for architecture " +
2707 StringRef(I->getArchFlagName()) +
2708 " is not a Mach-O file or an archive file");
2709 }
2710 return;
2711 }
2712 }
2713 }
2714 // Either all architectures have been specified or none have been specified
2715 // and this does not contain the host architecture so dump all the slices.
2716 bool moreThanOneArch = UB->getNumberOfObjects() > 1;
2717 for (MachOUniversalBinary::object_iterator I = UB->begin_objects(),
2718 E = UB->end_objects();
2719 I != E; ++I) {
2720 Expected<std::unique_ptr<ObjectFile>> ObjOrErr = I->getAsObjectFile();
2721 std::string ArchitectureName;
2722 if (moreThanOneArch)
2723 ArchitectureName = I->getArchFlagName();
2724 if (ObjOrErr) {
2725 ObjectFile &Obj = *ObjOrErr.get();
2726 if (MachOObjectFile *MachOOF = dyn_cast<MachOObjectFile>(Val: &Obj))
2727 ProcessMachO(Name: Filename, MachOOF, ArchiveMemberName: "", ArchitectureName);
2728 } else if (Error E =
2729 isNotObjectErrorInvalidFileType(Err: ObjOrErr.takeError())) {
2730 reportError(E: std::move(E), FileName: Filename, ArchiveName: "", ArchitectureName);
2731 } else if (Expected<std::unique_ptr<Archive>> AOrErr = I->getAsArchive()) {
2732 std::unique_ptr<Archive> &A = *AOrErr;
2733 outs() << "Archive : " << Filename;
2734 if (!ArchitectureName.empty())
2735 outs() << " (architecture " << ArchitectureName << ")";
2736 outs() << "\n";
2737 if (ArchiveHeaders)
2738 printArchiveHeaders(Filename, A: A.get(), verbose: Verbose, print_offset: ArchiveMemberOffsets,
2739 ArchitectureName);
2740 Error Err = Error::success();
2741 unsigned I = -1;
2742 for (auto &C : A->children(Err)) {
2743 ++I;
2744 Expected<std::unique_ptr<Binary>> ChildOrErr = C.getAsBinary();
2745 if (!ChildOrErr) {
2746 if (Error E = isNotObjectErrorInvalidFileType(Err: ChildOrErr.takeError()))
2747 reportError(E: std::move(E), FileName: getFileNameForError(C, Index: I), ArchiveName: Filename,
2748 ArchitectureName);
2749 continue;
2750 }
2751 if (MachOObjectFile *O =
2752 dyn_cast<MachOObjectFile>(Val: &*ChildOrErr.get())) {
2753 if (MachOObjectFile *MachOOF = dyn_cast<MachOObjectFile>(Val: O))
2754 ProcessMachO(Name: Filename, MachOOF, ArchiveMemberName: MachOOF->getFileName(),
2755 ArchitectureName);
2756 }
2757 }
2758 if (Err)
2759 reportError(E: std::move(Err), FileName: Filename);
2760 } else {
2761 consumeError(Err: AOrErr.takeError());
2762 reportError(File: Filename, Message: "Mach-O universal file for architecture " +
2763 StringRef(I->getArchFlagName()) +
2764 " is not a Mach-O file or an archive file");
2765 }
2766 }
2767}
2768
2769namespace {
2770// The block of info used by the Symbolizer call backs.
2771struct DisassembleInfo {
2772 DisassembleInfo(MachOObjectFile *O, SymbolAddressMap *AddrMap,
2773 std::vector<SectionRef> *Sections, bool verbose)
2774 : verbose(verbose), O(O), AddrMap(AddrMap), Sections(Sections) {}
2775 bool verbose;
2776 MachOObjectFile *O;
2777 SectionRef S;
2778 SymbolAddressMap *AddrMap;
2779 std::vector<SectionRef> *Sections;
2780 const char *class_name = nullptr;
2781 const char *selector_name = nullptr;
2782 std::unique_ptr<char[]> method = nullptr;
2783 char *demangled_name = nullptr;
2784 uint64_t adrp_addr = 0;
2785 uint32_t adrp_inst = 0;
2786 std::unique_ptr<SymbolAddressMap> bindtable;
2787 uint32_t depth = 0;
2788};
2789} // namespace
2790
2791// SymbolizerGetOpInfo() is the operand information call back function.
2792// This is called to get the symbolic information for operand(s) of an
2793// instruction when it is being done. This routine does this from
2794// the relocation information, symbol table, etc. That block of information
2795// is a pointer to the struct DisassembleInfo that was passed when the
2796// disassembler context was created and passed to back to here when
2797// called back by the disassembler for instruction operands that could have
2798// relocation information. The address of the instruction containing operand is
2799// at the Pc parameter. The immediate value the operand has is passed in
2800// op_info->Value and is at Offset past the start of the instruction and has a
2801// byte Size of 1, 2 or 4. The symbolc information is returned in TagBuf is the
2802// LLVMOpInfo1 struct defined in the header "llvm-c/Disassembler.h" as symbol
2803// names and addends of the symbolic expression to add for the operand. The
2804// value of TagType is currently 1 (for the LLVMOpInfo1 struct). If symbolic
2805// information is returned then this function returns 1 else it returns 0.
2806static int SymbolizerGetOpInfo(void *DisInfo, uint64_t Pc, uint64_t Offset,
2807 uint64_t OpSize, uint64_t InstSize, int TagType,
2808 void *TagBuf) {
2809 struct DisassembleInfo *info = (struct DisassembleInfo *)DisInfo;
2810 struct LLVMOpInfo1 *op_info = (struct LLVMOpInfo1 *)TagBuf;
2811 uint64_t value = op_info->Value;
2812
2813 // Make sure all fields returned are zero if we don't set them.
2814 memset(s: (void *)op_info, c: '\0', n: sizeof(struct LLVMOpInfo1));
2815 op_info->Value = value;
2816
2817 // If the TagType is not the value 1 which it code knows about or if no
2818 // verbose symbolic information is wanted then just return 0, indicating no
2819 // information is being returned.
2820 if (TagType != 1 || !info->verbose)
2821 return 0;
2822
2823 unsigned int Arch = info->O->getArch();
2824 if (Arch == Triple::x86) {
2825 if (OpSize != 1 && OpSize != 2 && OpSize != 4 && OpSize != 0)
2826 return 0;
2827 if (info->O->getHeader().filetype != MachO::MH_OBJECT) {
2828 // TODO:
2829 // Search the external relocation entries of a fully linked image
2830 // (if any) for an entry that matches this segment offset.
2831 // uint32_t seg_offset = (Pc + Offset);
2832 return 0;
2833 }
2834 // In MH_OBJECT filetypes search the section's relocation entries (if any)
2835 // for an entry for this section offset.
2836 uint32_t sect_addr = info->S.getAddress();
2837 uint32_t sect_offset = (Pc + Offset) - sect_addr;
2838 bool reloc_found = false;
2839 DataRefImpl Rel;
2840 MachO::any_relocation_info RE;
2841 bool isExtern = false;
2842 SymbolRef Symbol;
2843 bool r_scattered = false;
2844 uint32_t r_value, pair_r_value, r_type;
2845 for (const RelocationRef &Reloc : info->S.relocations()) {
2846 uint64_t RelocOffset = Reloc.getOffset();
2847 if (RelocOffset == sect_offset) {
2848 Rel = Reloc.getRawDataRefImpl();
2849 RE = info->O->getRelocation(Rel);
2850 r_type = info->O->getAnyRelocationType(RE);
2851 r_scattered = info->O->isRelocationScattered(RE);
2852 if (r_scattered) {
2853 r_value = info->O->getScatteredRelocationValue(RE);
2854 if (r_type == MachO::GENERIC_RELOC_SECTDIFF ||
2855 r_type == MachO::GENERIC_RELOC_LOCAL_SECTDIFF) {
2856 DataRefImpl RelNext = Rel;
2857 info->O->moveRelocationNext(Rel&: RelNext);
2858 MachO::any_relocation_info RENext;
2859 RENext = info->O->getRelocation(Rel: RelNext);
2860 if (info->O->isRelocationScattered(RE: RENext))
2861 pair_r_value = info->O->getScatteredRelocationValue(RE: RENext);
2862 else
2863 return 0;
2864 }
2865 } else {
2866 isExtern = info->O->getPlainRelocationExternal(RE);
2867 if (isExtern) {
2868 symbol_iterator RelocSym = Reloc.getSymbol();
2869 Symbol = *RelocSym;
2870 }
2871 }
2872 reloc_found = true;
2873 break;
2874 }
2875 }
2876 if (reloc_found && isExtern) {
2877 op_info->AddSymbol.Present = 1;
2878 op_info->AddSymbol.Name =
2879 unwrapOrError(EO: Symbol.getName(), Args: info->O->getFileName()).data();
2880 // For i386 extern relocation entries the value in the instruction is
2881 // the offset from the symbol, and value is already set in op_info->Value.
2882 return 1;
2883 }
2884 if (reloc_found && (r_type == MachO::GENERIC_RELOC_SECTDIFF ||
2885 r_type == MachO::GENERIC_RELOC_LOCAL_SECTDIFF)) {
2886 const char *add = GuessSymbolName(value: r_value, AddrMap: info->AddrMap);
2887 const char *sub = GuessSymbolName(value: pair_r_value, AddrMap: info->AddrMap);
2888 uint32_t offset = value - (r_value - pair_r_value);
2889 op_info->AddSymbol.Present = 1;
2890 if (add != nullptr)
2891 op_info->AddSymbol.Name = add;
2892 else
2893 op_info->AddSymbol.Value = r_value;
2894 op_info->SubtractSymbol.Present = 1;
2895 if (sub != nullptr)
2896 op_info->SubtractSymbol.Name = sub;
2897 else
2898 op_info->SubtractSymbol.Value = pair_r_value;
2899 op_info->Value = offset;
2900 return 1;
2901 }
2902 return 0;
2903 }
2904 if (Arch == Triple::x86_64) {
2905 if (OpSize != 1 && OpSize != 2 && OpSize != 4 && OpSize != 0)
2906 return 0;
2907 // For non MH_OBJECT types, like MH_KEXT_BUNDLE, Search the external
2908 // relocation entries of a linked image (if any) for an entry that matches
2909 // this segment offset.
2910 if (info->O->getHeader().filetype != MachO::MH_OBJECT) {
2911 uint64_t seg_offset = Pc + Offset;
2912 bool reloc_found = false;
2913 DataRefImpl Rel;
2914 MachO::any_relocation_info RE;
2915 bool isExtern = false;
2916 SymbolRef Symbol;
2917 for (const RelocationRef &Reloc : info->O->external_relocations()) {
2918 uint64_t RelocOffset = Reloc.getOffset();
2919 if (RelocOffset == seg_offset) {
2920 Rel = Reloc.getRawDataRefImpl();
2921 RE = info->O->getRelocation(Rel);
2922 // external relocation entries should always be external.
2923 isExtern = info->O->getPlainRelocationExternal(RE);
2924 if (isExtern) {
2925 symbol_iterator RelocSym = Reloc.getSymbol();
2926 Symbol = *RelocSym;
2927 }
2928 reloc_found = true;
2929 break;
2930 }
2931 }
2932 if (reloc_found && isExtern) {
2933 // The Value passed in will be adjusted by the Pc if the instruction
2934 // adds the Pc. But for x86_64 external relocation entries the Value
2935 // is the offset from the external symbol.
2936 if (info->O->getAnyRelocationPCRel(RE))
2937 op_info->Value -= Pc + InstSize;
2938 const char *name =
2939 unwrapOrError(EO: Symbol.getName(), Args: info->O->getFileName()).data();
2940 op_info->AddSymbol.Present = 1;
2941 op_info->AddSymbol.Name = name;
2942 return 1;
2943 }
2944 return 0;
2945 }
2946 // In MH_OBJECT filetypes search the section's relocation entries (if any)
2947 // for an entry for this section offset.
2948 uint64_t sect_addr = info->S.getAddress();
2949 uint64_t sect_offset = (Pc + Offset) - sect_addr;
2950 bool reloc_found = false;
2951 DataRefImpl Rel;
2952 MachO::any_relocation_info RE;
2953 bool isExtern = false;
2954 SymbolRef Symbol;
2955 for (const RelocationRef &Reloc : info->S.relocations()) {
2956 uint64_t RelocOffset = Reloc.getOffset();
2957 if (RelocOffset == sect_offset) {
2958 Rel = Reloc.getRawDataRefImpl();
2959 RE = info->O->getRelocation(Rel);
2960 // NOTE: Scattered relocations don't exist on x86_64.
2961 isExtern = info->O->getPlainRelocationExternal(RE);
2962 if (isExtern) {
2963 symbol_iterator RelocSym = Reloc.getSymbol();
2964 Symbol = *RelocSym;
2965 }
2966 reloc_found = true;
2967 break;
2968 }
2969 }
2970 if (reloc_found && isExtern) {
2971 // The Value passed in will be adjusted by the Pc if the instruction
2972 // adds the Pc. But for x86_64 external relocation entries the Value
2973 // is the offset from the external symbol.
2974 if (info->O->getAnyRelocationPCRel(RE))
2975 op_info->Value -= Pc + InstSize;
2976 const char *name =
2977 unwrapOrError(EO: Symbol.getName(), Args: info->O->getFileName()).data();
2978 unsigned Type = info->O->getAnyRelocationType(RE);
2979 if (Type == MachO::X86_64_RELOC_SUBTRACTOR) {
2980 DataRefImpl RelNext = Rel;
2981 info->O->moveRelocationNext(Rel&: RelNext);
2982 MachO::any_relocation_info RENext = info->O->getRelocation(Rel: RelNext);
2983 unsigned TypeNext = info->O->getAnyRelocationType(RE: RENext);
2984 bool isExternNext = info->O->getPlainRelocationExternal(RE: RENext);
2985 unsigned SymbolNum = info->O->getPlainRelocationSymbolNum(RE: RENext);
2986 if (TypeNext == MachO::X86_64_RELOC_UNSIGNED && isExternNext) {
2987 op_info->SubtractSymbol.Present = 1;
2988 op_info->SubtractSymbol.Name = name;
2989 symbol_iterator RelocSymNext = info->O->getSymbolByIndex(Index: SymbolNum);
2990 Symbol = *RelocSymNext;
2991 name = unwrapOrError(EO: Symbol.getName(), Args: info->O->getFileName()).data();
2992 }
2993 }
2994 // TODO: add the VariantKinds to op_info->VariantKind for relocation types
2995 // like: X86_64_RELOC_TLV, X86_64_RELOC_GOT_LOAD and X86_64_RELOC_GOT.
2996 op_info->AddSymbol.Present = 1;
2997 op_info->AddSymbol.Name = name;
2998 return 1;
2999 }
3000 return 0;
3001 }
3002 if (Arch == Triple::arm) {
3003 if (Offset != 0 || (InstSize != 4 && InstSize != 2))
3004 return 0;
3005 if (info->O->getHeader().filetype != MachO::MH_OBJECT) {
3006 // TODO:
3007 // Search the external relocation entries of a fully linked image
3008 // (if any) for an entry that matches this segment offset.
3009 // uint32_t seg_offset = (Pc + Offset);
3010 return 0;
3011 }
3012 // In MH_OBJECT filetypes search the section's relocation entries (if any)
3013 // for an entry for this section offset.
3014 uint32_t sect_addr = info->S.getAddress();
3015 uint32_t sect_offset = (Pc + Offset) - sect_addr;
3016 DataRefImpl Rel;
3017 MachO::any_relocation_info RE;
3018 bool isExtern = false;
3019 SymbolRef Symbol;
3020 bool r_scattered = false;
3021 uint32_t r_value, pair_r_value, r_type, r_length, other_half;
3022 auto Reloc =
3023 find_if(Range: info->S.relocations(), P: [&](const RelocationRef &Reloc) {
3024 uint64_t RelocOffset = Reloc.getOffset();
3025 return RelocOffset == sect_offset;
3026 });
3027
3028 if (Reloc == info->S.relocations().end())
3029 return 0;
3030
3031 Rel = Reloc->getRawDataRefImpl();
3032 RE = info->O->getRelocation(Rel);
3033 r_length = info->O->getAnyRelocationLength(RE);
3034 r_scattered = info->O->isRelocationScattered(RE);
3035 if (r_scattered) {
3036 r_value = info->O->getScatteredRelocationValue(RE);
3037 r_type = info->O->getScatteredRelocationType(RE);
3038 } else {
3039 r_type = info->O->getAnyRelocationType(RE);
3040 isExtern = info->O->getPlainRelocationExternal(RE);
3041 if (isExtern) {
3042 symbol_iterator RelocSym = Reloc->getSymbol();
3043 Symbol = *RelocSym;
3044 }
3045 }
3046 if (r_type == MachO::ARM_RELOC_HALF ||
3047 r_type == MachO::ARM_RELOC_SECTDIFF ||
3048 r_type == MachO::ARM_RELOC_LOCAL_SECTDIFF ||
3049 r_type == MachO::ARM_RELOC_HALF_SECTDIFF) {
3050 DataRefImpl RelNext = Rel;
3051 info->O->moveRelocationNext(Rel&: RelNext);
3052 MachO::any_relocation_info RENext;
3053 RENext = info->O->getRelocation(Rel: RelNext);
3054 other_half = info->O->getAnyRelocationAddress(RE: RENext) & 0xffff;
3055 if (info->O->isRelocationScattered(RE: RENext))
3056 pair_r_value = info->O->getScatteredRelocationValue(RE: RENext);
3057 }
3058
3059 if (isExtern) {
3060 const char *name =
3061 unwrapOrError(EO: Symbol.getName(), Args: info->O->getFileName()).data();
3062 op_info->AddSymbol.Present = 1;
3063 op_info->AddSymbol.Name = name;
3064 switch (r_type) {
3065 case MachO::ARM_RELOC_HALF:
3066 if ((r_length & 0x1) == 1) {
3067 op_info->Value = value << 16 | other_half;
3068 op_info->VariantKind = LLVMDisassembler_VariantKind_ARM_HI16;
3069 } else {
3070 op_info->Value = other_half << 16 | value;
3071 op_info->VariantKind = LLVMDisassembler_VariantKind_ARM_LO16;
3072 }
3073 break;
3074 default:
3075 break;
3076 }
3077 return 1;
3078 }
3079 // If we have a branch that is not an external relocation entry then
3080 // return 0 so the code in tryAddingSymbolicOperand() can use the
3081 // SymbolLookUp call back with the branch target address to look up the
3082 // symbol and possibility add an annotation for a symbol stub.
3083 if (isExtern == 0 && (r_type == MachO::ARM_RELOC_BR24 ||
3084 r_type == MachO::ARM_THUMB_RELOC_BR22))
3085 return 0;
3086
3087 uint32_t offset = 0;
3088 if (r_type == MachO::ARM_RELOC_HALF ||
3089 r_type == MachO::ARM_RELOC_HALF_SECTDIFF) {
3090 if ((r_length & 0x1) == 1)
3091 value = value << 16 | other_half;
3092 else
3093 value = other_half << 16 | value;
3094 }
3095 if (r_scattered && (r_type != MachO::ARM_RELOC_HALF &&
3096 r_type != MachO::ARM_RELOC_HALF_SECTDIFF)) {
3097 offset = value - r_value;
3098 value = r_value;
3099 }
3100
3101 if (r_type == MachO::ARM_RELOC_HALF_SECTDIFF) {
3102 if ((r_length & 0x1) == 1)
3103 op_info->VariantKind = LLVMDisassembler_VariantKind_ARM_HI16;
3104 else
3105 op_info->VariantKind = LLVMDisassembler_VariantKind_ARM_LO16;
3106 const char *add = GuessSymbolName(value: r_value, AddrMap: info->AddrMap);
3107 const char *sub = GuessSymbolName(value: pair_r_value, AddrMap: info->AddrMap);
3108 int32_t offset = value - (r_value - pair_r_value);
3109 op_info->AddSymbol.Present = 1;
3110 if (add != nullptr)
3111 op_info->AddSymbol.Name = add;
3112 else
3113 op_info->AddSymbol.Value = r_value;
3114 op_info->SubtractSymbol.Present = 1;
3115 if (sub != nullptr)
3116 op_info->SubtractSymbol.Name = sub;
3117 else
3118 op_info->SubtractSymbol.Value = pair_r_value;
3119 op_info->Value = offset;
3120 return 1;
3121 }
3122
3123 op_info->AddSymbol.Present = 1;
3124 op_info->Value = offset;
3125 if (r_type == MachO::ARM_RELOC_HALF) {
3126 if ((r_length & 0x1) == 1)
3127 op_info->VariantKind = LLVMDisassembler_VariantKind_ARM_HI16;
3128 else
3129 op_info->VariantKind = LLVMDisassembler_VariantKind_ARM_LO16;
3130 }
3131 const char *add = GuessSymbolName(value, AddrMap: info->AddrMap);
3132 if (add != nullptr) {
3133 op_info->AddSymbol.Name = add;
3134 return 1;
3135 }
3136 op_info->AddSymbol.Value = value;
3137 return 1;
3138 }
3139 if (Arch == Triple::aarch64) {
3140 if (Offset != 0 || InstSize != 4)
3141 return 0;
3142 if (info->O->getHeader().filetype != MachO::MH_OBJECT) {
3143 // TODO:
3144 // Search the external relocation entries of a fully linked image
3145 // (if any) for an entry that matches this segment offset.
3146 // uint64_t seg_offset = (Pc + Offset);
3147 return 0;
3148 }
3149 // In MH_OBJECT filetypes search the section's relocation entries (if any)
3150 // for an entry for this section offset.
3151 uint64_t sect_addr = info->S.getAddress();
3152 uint64_t sect_offset = (Pc + Offset) - sect_addr;
3153 auto Reloc =
3154 find_if(Range: info->S.relocations(), P: [&](const RelocationRef &Reloc) {
3155 uint64_t RelocOffset = Reloc.getOffset();
3156 return RelocOffset == sect_offset;
3157 });
3158
3159 if (Reloc == info->S.relocations().end())
3160 return 0;
3161
3162 DataRefImpl Rel = Reloc->getRawDataRefImpl();
3163 MachO::any_relocation_info RE = info->O->getRelocation(Rel);
3164 uint32_t r_type = info->O->getAnyRelocationType(RE);
3165 if (r_type == MachO::ARM64_RELOC_ADDEND) {
3166 DataRefImpl RelNext = Rel;
3167 info->O->moveRelocationNext(Rel&: RelNext);
3168 MachO::any_relocation_info RENext = info->O->getRelocation(Rel: RelNext);
3169 if (value == 0) {
3170 value = info->O->getPlainRelocationSymbolNum(RE: RENext);
3171 op_info->Value = value;
3172 }
3173 }
3174 // NOTE: Scattered relocations don't exist on arm64.
3175 if (!info->O->getPlainRelocationExternal(RE))
3176 return 0;
3177 const char *name =
3178 unwrapOrError(EO: Reloc->getSymbol()->getName(), Args: info->O->getFileName())
3179 .data();
3180 op_info->AddSymbol.Present = 1;
3181 op_info->AddSymbol.Name = name;
3182
3183 switch (r_type) {
3184 case MachO::ARM64_RELOC_PAGE21:
3185 /* @page */
3186 op_info->VariantKind = LLVMDisassembler_VariantKind_ARM64_PAGE;
3187 break;
3188 case MachO::ARM64_RELOC_PAGEOFF12:
3189 /* @pageoff */
3190 op_info->VariantKind = LLVMDisassembler_VariantKind_ARM64_PAGEOFF;
3191 break;
3192 case MachO::ARM64_RELOC_GOT_LOAD_PAGE21:
3193 /* @gotpage */
3194 op_info->VariantKind = LLVMDisassembler_VariantKind_ARM64_GOTPAGE;
3195 break;
3196 case MachO::ARM64_RELOC_GOT_LOAD_PAGEOFF12:
3197 /* @gotpageoff */
3198 op_info->VariantKind = LLVMDisassembler_VariantKind_ARM64_GOTPAGEOFF;
3199 break;
3200 case MachO::ARM64_RELOC_TLVP_LOAD_PAGE21:
3201 /* @tvlppage is not implemented in llvm-mc */
3202 op_info->VariantKind = LLVMDisassembler_VariantKind_ARM64_TLVP;
3203 break;
3204 case MachO::ARM64_RELOC_TLVP_LOAD_PAGEOFF12:
3205 /* @tvlppageoff is not implemented in llvm-mc */
3206 op_info->VariantKind = LLVMDisassembler_VariantKind_ARM64_TLVOFF;
3207 break;
3208 default:
3209 case MachO::ARM64_RELOC_BRANCH26:
3210 op_info->VariantKind = LLVMDisassembler_VariantKind_None;
3211 break;
3212 }
3213 return 1;
3214 }
3215 return 0;
3216}
3217
3218// GuessCstringPointer is passed the address of what might be a pointer to a
3219// literal string in a cstring section. If that address is in a cstring section
3220// it returns a pointer to that string. Else it returns nullptr.
3221static const char *GuessCstringPointer(uint64_t ReferenceValue,
3222 struct DisassembleInfo *info) {
3223 for (const auto &Load : info->O->load_commands()) {
3224 if (Load.C.cmd == MachO::LC_SEGMENT_64) {
3225 MachO::segment_command_64 Seg = info->O->getSegment64LoadCommand(L: Load);
3226 for (unsigned J = 0; J < Seg.nsects; ++J) {
3227 MachO::section_64 Sec = info->O->getSection64(L: Load, Index: J);
3228 uint32_t section_type = Sec.flags & MachO::SECTION_TYPE;
3229 if (section_type == MachO::S_CSTRING_LITERALS &&
3230 ReferenceValue >= Sec.addr &&
3231 ReferenceValue < Sec.addr + Sec.size) {
3232 uint64_t sect_offset = ReferenceValue - Sec.addr;
3233 uint64_t object_offset = Sec.offset + sect_offset;
3234 StringRef MachOContents = info->O->getData();
3235 uint64_t object_size = MachOContents.size();
3236 const char *object_addr = (const char *)MachOContents.data();
3237 if (object_offset < object_size) {
3238 const char *name = object_addr + object_offset;
3239 return name;
3240 } else {
3241 return nullptr;
3242 }
3243 }
3244 }
3245 } else if (Load.C.cmd == MachO::LC_SEGMENT) {
3246 MachO::segment_command Seg = info->O->getSegmentLoadCommand(L: Load);
3247 for (unsigned J = 0; J < Seg.nsects; ++J) {
3248 MachO::section Sec = info->O->getSection(L: Load, Index: J);
3249 uint32_t section_type = Sec.flags & MachO::SECTION_TYPE;
3250 if (section_type == MachO::S_CSTRING_LITERALS &&
3251 ReferenceValue >= Sec.addr &&
3252 ReferenceValue < Sec.addr + Sec.size) {
3253 uint64_t sect_offset = ReferenceValue - Sec.addr;
3254 uint64_t object_offset = Sec.offset + sect_offset;
3255 StringRef MachOContents = info->O->getData();
3256 uint64_t object_size = MachOContents.size();
3257 const char *object_addr = (const char *)MachOContents.data();
3258 if (object_offset < object_size) {
3259 const char *name = object_addr + object_offset;
3260 return name;
3261 } else {
3262 return nullptr;
3263 }
3264 }
3265 }
3266 }
3267 }
3268 return nullptr;
3269}
3270
3271// GuessIndirectSymbol returns the name of the indirect symbol for the
3272// ReferenceValue passed in or nullptr. This is used when ReferenceValue maybe
3273// an address of a symbol stub or a lazy or non-lazy pointer to associate the
3274// symbol name being referenced by the stub or pointer.
3275static const char *GuessIndirectSymbol(uint64_t ReferenceValue,
3276 struct DisassembleInfo *info) {
3277 MachO::dysymtab_command Dysymtab = info->O->getDysymtabLoadCommand();
3278 MachO::symtab_command Symtab = info->O->getSymtabLoadCommand();
3279 for (const auto &Load : info->O->load_commands()) {
3280 if (Load.C.cmd == MachO::LC_SEGMENT_64) {
3281 MachO::segment_command_64 Seg = info->O->getSegment64LoadCommand(L: Load);
3282 for (unsigned J = 0; J < Seg.nsects; ++J) {
3283 MachO::section_64 Sec = info->O->getSection64(L: Load, Index: J);
3284 uint32_t section_type = Sec.flags & MachO::SECTION_TYPE;
3285 if ((section_type == MachO::S_NON_LAZY_SYMBOL_POINTERS ||
3286 section_type == MachO::S_LAZY_SYMBOL_POINTERS ||
3287 section_type == MachO::S_LAZY_DYLIB_SYMBOL_POINTERS ||
3288 section_type == MachO::S_THREAD_LOCAL_VARIABLE_POINTERS ||
3289 section_type == MachO::S_SYMBOL_STUBS) &&
3290 ReferenceValue >= Sec.addr &&
3291 ReferenceValue < Sec.addr + Sec.size) {
3292 uint32_t stride;
3293 if (section_type == MachO::S_SYMBOL_STUBS)
3294 stride = Sec.reserved2;
3295 else
3296 stride = 8;
3297 if (stride == 0)
3298 return nullptr;
3299 uint32_t index = Sec.reserved1 + (ReferenceValue - Sec.addr) / stride;
3300 if (index < Dysymtab.nindirectsyms) {
3301 uint32_t indirect_symbol =
3302 info->O->getIndirectSymbolTableEntry(DLC: Dysymtab, Index: index);
3303 if (indirect_symbol < Symtab.nsyms) {
3304 symbol_iterator Sym = info->O->getSymbolByIndex(Index: indirect_symbol);
3305 return unwrapOrError(EO: Sym->getName(), Args: info->O->getFileName())
3306 .data();
3307 }
3308 }
3309 }
3310 }
3311 } else if (Load.C.cmd == MachO::LC_SEGMENT) {
3312 MachO::segment_command Seg = info->O->getSegmentLoadCommand(L: Load);
3313 for (unsigned J = 0; J < Seg.nsects; ++J) {
3314 MachO::section Sec = info->O->getSection(L: Load, Index: J);
3315 uint32_t section_type = Sec.flags & MachO::SECTION_TYPE;
3316 if ((section_type == MachO::S_NON_LAZY_SYMBOL_POINTERS ||
3317 section_type == MachO::S_LAZY_SYMBOL_POINTERS ||
3318 section_type == MachO::S_LAZY_DYLIB_SYMBOL_POINTERS ||
3319 section_type == MachO::S_THREAD_LOCAL_VARIABLE_POINTERS ||
3320 section_type == MachO::S_SYMBOL_STUBS) &&
3321 ReferenceValue >= Sec.addr &&
3322 ReferenceValue < Sec.addr + Sec.size) {
3323 uint32_t stride;
3324 if (section_type == MachO::S_SYMBOL_STUBS)
3325 stride = Sec.reserved2;
3326 else
3327 stride = 4;
3328 if (stride == 0)
3329 return nullptr;
3330 uint32_t index = Sec.reserved1 + (ReferenceValue - Sec.addr) / stride;
3331 if (index < Dysymtab.nindirectsyms) {
3332 uint32_t indirect_symbol =
3333 info->O->getIndirectSymbolTableEntry(DLC: Dysymtab, Index: index);
3334 if (indirect_symbol < Symtab.nsyms) {
3335 symbol_iterator Sym = info->O->getSymbolByIndex(Index: indirect_symbol);
3336 return unwrapOrError(EO: Sym->getName(), Args: info->O->getFileName())
3337 .data();
3338 }
3339 }
3340 }
3341 }
3342 }
3343 }
3344 return nullptr;
3345}
3346
3347// method_reference() is called passing it the ReferenceName that might be
3348// a reference it to an Objective-C method call. If so then it allocates and
3349// assembles a method call string with the values last seen and saved in
3350// the DisassembleInfo's class_name and selector_name fields. This is saved
3351// into the method field of the info and any previous string is free'ed.
3352// Then the class_name field in the info is set to nullptr. The method call
3353// string is set into ReferenceName and ReferenceType is set to
3354// LLVMDisassembler_ReferenceType_Out_Objc_Message. If this not a method call
3355// then both ReferenceType and ReferenceName are left unchanged.
3356static void method_reference(struct DisassembleInfo *info,
3357 uint64_t *ReferenceType,
3358 const char **ReferenceName) {
3359 unsigned int Arch = info->O->getArch();
3360 if (*ReferenceName != nullptr) {
3361 if (strcmp(s1: *ReferenceName, s2: "_objc_msgSend") == 0) {
3362 if (info->selector_name != nullptr) {
3363 if (info->class_name != nullptr) {
3364 info->method = std::make_unique<char[]>(
3365 num: 5 + strlen(s: info->class_name) + strlen(s: info->selector_name));
3366 char *method = info->method.get();
3367 if (method != nullptr) {
3368 strcpy(dest: method, src: "+[");
3369 strcat(dest: method, src: info->class_name);
3370 strcat(dest: method, src: " ");
3371 strcat(dest: method, src: info->selector_name);
3372 strcat(dest: method, src: "]");
3373 *ReferenceName = method;
3374 *ReferenceType = LLVMDisassembler_ReferenceType_Out_Objc_Message;
3375 }
3376 } else {
3377 info->method =
3378 std::make_unique<char[]>(num: 9 + strlen(s: info->selector_name));
3379 char *method = info->method.get();
3380 if (method != nullptr) {
3381 if (Arch == Triple::x86_64)
3382 strcpy(dest: method, src: "-[%rdi ");
3383 else if (Arch == Triple::aarch64)
3384 strcpy(dest: method, src: "-[x0 ");
3385 else
3386 strcpy(dest: method, src: "-[r? ");
3387 strcat(dest: method, src: info->selector_name);
3388 strcat(dest: method, src: "]");
3389 *ReferenceName = method;
3390 *ReferenceType = LLVMDisassembler_ReferenceType_Out_Objc_Message;
3391 }
3392 }
3393 info->class_name = nullptr;
3394 }
3395 } else if (strcmp(s1: *ReferenceName, s2: "_objc_msgSendSuper2") == 0) {
3396 if (info->selector_name != nullptr) {
3397 info->method =
3398 std::make_unique<char[]>(num: 17 + strlen(s: info->selector_name));
3399 char *method = info->method.get();
3400 if (method != nullptr) {
3401 if (Arch == Triple::x86_64)
3402 strcpy(dest: method, src: "-[[%rdi super] ");
3403 else if (Arch == Triple::aarch64)
3404 strcpy(dest: method, src: "-[[x0 super] ");
3405 else
3406 strcpy(dest: method, src: "-[[r? super] ");
3407 strcat(dest: method, src: info->selector_name);
3408 strcat(dest: method, src: "]");
3409 *ReferenceName = method;
3410 *ReferenceType = LLVMDisassembler_ReferenceType_Out_Objc_Message;
3411 }
3412 info->class_name = nullptr;
3413 }
3414 }
3415 }
3416}
3417
3418// GuessPointerPointer() is passed the address of what might be a pointer to
3419// a reference to an Objective-C class, selector, message ref or cfstring.
3420// If so the value of the pointer is returned and one of the booleans are set
3421// to true. If not zero is returned and all the booleans are set to false.
3422static uint64_t GuessPointerPointer(uint64_t ReferenceValue,
3423 struct DisassembleInfo *info,
3424 bool &classref, bool &selref, bool &msgref,
3425 bool &cfstring) {
3426 classref = false;
3427 selref = false;
3428 msgref = false;
3429 cfstring = false;
3430 for (const auto &Load : info->O->load_commands()) {
3431 if (Load.C.cmd == MachO::LC_SEGMENT_64) {
3432 MachO::segment_command_64 Seg = info->O->getSegment64LoadCommand(L: Load);
3433 for (unsigned J = 0; J < Seg.nsects; ++J) {
3434 MachO::section_64 Sec = info->O->getSection64(L: Load, Index: J);
3435 if ((strncmp(s1: Sec.sectname, s2: "__objc_selrefs", n: 16) == 0 ||
3436 strncmp(s1: Sec.sectname, s2: "__objc_classrefs", n: 16) == 0 ||
3437 strncmp(s1: Sec.sectname, s2: "__objc_superrefs", n: 16) == 0 ||
3438 strncmp(s1: Sec.sectname, s2: "__objc_msgrefs", n: 16) == 0 ||
3439 strncmp(s1: Sec.sectname, s2: "__cfstring", n: 16) == 0) &&
3440 ReferenceValue >= Sec.addr &&
3441 ReferenceValue < Sec.addr + Sec.size) {
3442 uint64_t sect_offset = ReferenceValue - Sec.addr;
3443 uint64_t object_offset = Sec.offset + sect_offset;
3444 StringRef MachOContents = info->O->getData();
3445 uint64_t object_size = MachOContents.size();
3446 const char *object_addr = (const char *)MachOContents.data();
3447 if (object_offset < object_size) {
3448 uint64_t pointer_value;
3449 memcpy(dest: &pointer_value, src: object_addr + object_offset,
3450 n: sizeof(uint64_t));
3451 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
3452 sys::swapByteOrder(Value&: pointer_value);
3453 if (strncmp(s1: Sec.sectname, s2: "__objc_selrefs", n: 16) == 0)
3454 selref = true;
3455 else if (strncmp(s1: Sec.sectname, s2: "__objc_classrefs", n: 16) == 0 ||
3456 strncmp(s1: Sec.sectname, s2: "__objc_superrefs", n: 16) == 0)
3457 classref = true;
3458 else if (strncmp(s1: Sec.sectname, s2: "__objc_msgrefs", n: 16) == 0 &&
3459 ReferenceValue + 8 < Sec.addr + Sec.size) {
3460 msgref = true;
3461 memcpy(dest: &pointer_value, src: object_addr + object_offset + 8,
3462 n: sizeof(uint64_t));
3463 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
3464 sys::swapByteOrder(Value&: pointer_value);
3465 } else if (strncmp(s1: Sec.sectname, s2: "__cfstring", n: 16) == 0)
3466 cfstring = true;
3467 return pointer_value;
3468 } else {
3469 return 0;
3470 }
3471 }
3472 }
3473 }
3474 // TODO: Look for LC_SEGMENT for 32-bit Mach-O files.
3475 }
3476 return 0;
3477}
3478
3479// get_pointer_64 returns a pointer to the bytes in the object file at the
3480// Address from a section in the Mach-O file. And indirectly returns the
3481// offset into the section, number of bytes left in the section past the offset
3482// and which section is was being referenced. If the Address is not in a
3483// section nullptr is returned.
3484static const char *get_pointer_64(uint64_t Address, uint32_t &offset,
3485 uint32_t &left, SectionRef &S,
3486 DisassembleInfo *info,
3487 bool objc_only = false) {
3488 offset = 0;
3489 left = 0;
3490 S = SectionRef();
3491 for (unsigned SectIdx = 0; SectIdx != info->Sections->size(); SectIdx++) {
3492 uint64_t SectAddress = ((*(info->Sections))[SectIdx]).getAddress();
3493 uint64_t SectSize = ((*(info->Sections))[SectIdx]).getSize();
3494 if (SectSize == 0)
3495 continue;
3496 if (objc_only) {
3497 StringRef SectName;
3498 Expected<StringRef> SecNameOrErr =
3499 ((*(info->Sections))[SectIdx]).getName();
3500 if (SecNameOrErr)
3501 SectName = *SecNameOrErr;
3502 else
3503 consumeError(Err: SecNameOrErr.takeError());
3504
3505 DataRefImpl Ref = ((*(info->Sections))[SectIdx]).getRawDataRefImpl();
3506 StringRef SegName = info->O->getSectionFinalSegmentName(Sec: Ref);
3507 if (SegName != "__OBJC" && SectName != "__cstring")
3508 continue;
3509 }
3510 if (Address >= SectAddress && Address < SectAddress + SectSize) {
3511 S = (*(info->Sections))[SectIdx];
3512 offset = Address - SectAddress;
3513 left = SectSize - offset;
3514 StringRef SectContents = unwrapOrError(
3515 EO: ((*(info->Sections))[SectIdx]).getContents(), Args: info->O->getFileName());
3516 return SectContents.data() + offset;
3517 }
3518 }
3519 return nullptr;
3520}
3521
3522static const char *get_pointer_32(uint32_t Address, uint32_t &offset,
3523 uint32_t &left, SectionRef &S,
3524 DisassembleInfo *info,
3525 bool objc_only = false) {
3526 return get_pointer_64(Address, offset, left, S, info, objc_only);
3527}
3528
3529// get_symbol_64() returns the name of a symbol (or nullptr) and the address of
3530// the symbol indirectly through n_value. Based on the relocation information
3531// for the specified section offset in the specified section reference.
3532// If no relocation information is found and a non-zero ReferenceValue for the
3533// symbol is passed, look up that address in the info's AddrMap.
3534static const char *get_symbol_64(uint32_t sect_offset, SectionRef S,
3535 DisassembleInfo *info, uint64_t &n_value,
3536 uint64_t ReferenceValue = 0) {
3537 n_value = 0;
3538 if (!info->verbose)
3539 return nullptr;
3540
3541 // See if there is an external relocation entry at the sect_offset.
3542 bool reloc_found = false;
3543 DataRefImpl Rel;
3544 MachO::any_relocation_info RE;
3545 bool isExtern = false;
3546 SymbolRef Symbol;
3547 for (const RelocationRef &Reloc : S.relocations()) {
3548 uint64_t RelocOffset = Reloc.getOffset();
3549 if (RelocOffset == sect_offset) {
3550 Rel = Reloc.getRawDataRefImpl();
3551 RE = info->O->getRelocation(Rel);
3552 if (info->O->isRelocationScattered(RE))
3553 continue;
3554 isExtern = info->O->getPlainRelocationExternal(RE);
3555 if (isExtern) {
3556 symbol_iterator RelocSym = Reloc.getSymbol();
3557 Symbol = *RelocSym;
3558 }
3559 reloc_found = true;
3560 break;
3561 }
3562 }
3563 // If there is an external relocation entry for a symbol in this section
3564 // at this section_offset then use that symbol's value for the n_value
3565 // and return its name.
3566 const char *SymbolName = nullptr;
3567 if (reloc_found && isExtern) {
3568 n_value = cantFail(ValOrErr: Symbol.getValue());
3569 StringRef Name = unwrapOrError(EO: Symbol.getName(), Args: info->O->getFileName());
3570 if (!Name.empty()) {
3571 SymbolName = Name.data();
3572 return SymbolName;
3573 }
3574 }
3575
3576 // TODO: For fully linked images, look through the external relocation
3577 // entries off the dynamic symtab command. For these the r_offset is from the
3578 // start of the first writeable segment in the Mach-O file. So the offset
3579 // to this section from that segment is passed to this routine by the caller,
3580 // as the database_offset. Which is the difference of the section's starting
3581 // address and the first writable segment.
3582 //
3583 // NOTE: need add passing the database_offset to this routine.
3584
3585 // We did not find an external relocation entry so look up the ReferenceValue
3586 // as an address of a symbol and if found return that symbol's name.
3587 SymbolName = GuessSymbolName(value: ReferenceValue, AddrMap: info->AddrMap);
3588
3589 return SymbolName;
3590}
3591
3592static const char *get_symbol_32(uint32_t sect_offset, SectionRef S,
3593 DisassembleInfo *info,
3594 uint32_t ReferenceValue) {
3595 uint64_t n_value64;
3596 return get_symbol_64(sect_offset, S, info, n_value&: n_value64, ReferenceValue);
3597}
3598
3599namespace {
3600
3601// These are structs in the Objective-C meta data and read to produce the
3602// comments for disassembly. While these are part of the ABI they are no
3603// public defintions. So the are here not in include/llvm/BinaryFormat/MachO.h
3604// .
3605
3606// The cfstring object in a 64-bit Mach-O file.
3607struct cfstring64_t {
3608 uint64_t isa; // class64_t * (64-bit pointer)
3609 uint64_t flags; // flag bits
3610 uint64_t characters; // char * (64-bit pointer)
3611 uint64_t length; // number of non-NULL characters in above
3612};
3613
3614// The class object in a 64-bit Mach-O file.
3615struct class64_t {
3616 uint64_t isa; // class64_t * (64-bit pointer)
3617 uint64_t superclass; // class64_t * (64-bit pointer)
3618 uint64_t cache; // Cache (64-bit pointer)
3619 uint64_t vtable; // IMP * (64-bit pointer)
3620 uint64_t data; // class_ro64_t * (64-bit pointer)
3621};
3622
3623struct class32_t {
3624 uint32_t isa; /* class32_t * (32-bit pointer) */
3625 uint32_t superclass; /* class32_t * (32-bit pointer) */
3626 uint32_t cache; /* Cache (32-bit pointer) */
3627 uint32_t vtable; /* IMP * (32-bit pointer) */
3628 uint32_t data; /* class_ro32_t * (32-bit pointer) */
3629};
3630
3631struct class_ro64_t {
3632 uint32_t flags;
3633 uint32_t instanceStart;
3634 uint32_t instanceSize;
3635 uint32_t reserved;
3636 uint64_t ivarLayout; // const uint8_t * (64-bit pointer)
3637 uint64_t name; // const char * (64-bit pointer)
3638 uint64_t baseMethods; // const method_list_t * (64-bit pointer)
3639 uint64_t baseProtocols; // const protocol_list_t * (64-bit pointer)
3640 uint64_t ivars; // const ivar_list_t * (64-bit pointer)
3641 uint64_t weakIvarLayout; // const uint8_t * (64-bit pointer)
3642 uint64_t baseProperties; // const struct objc_property_list (64-bit pointer)
3643};
3644
3645struct class_ro32_t {
3646 uint32_t flags;
3647 uint32_t instanceStart;
3648 uint32_t instanceSize;
3649 uint32_t ivarLayout; /* const uint8_t * (32-bit pointer) */
3650 uint32_t name; /* const char * (32-bit pointer) */
3651 uint32_t baseMethods; /* const method_list_t * (32-bit pointer) */
3652 uint32_t baseProtocols; /* const protocol_list_t * (32-bit pointer) */
3653 uint32_t ivars; /* const ivar_list_t * (32-bit pointer) */
3654 uint32_t weakIvarLayout; /* const uint8_t * (32-bit pointer) */
3655 uint32_t baseProperties; /* const struct objc_property_list *
3656 (32-bit pointer) */
3657};
3658
3659/* Values for class_ro{64,32}_t->flags */
3660#define RO_META (1 << 0)
3661#define RO_ROOT (1 << 1)
3662#define RO_HAS_CXX_STRUCTORS (1 << 2)
3663
3664/* Values for method_list{64,32}_t->entsize */
3665#define ML_HAS_RELATIVE_PTRS (1 << 31)
3666#define ML_ENTSIZE_MASK 0xFFFF
3667
3668struct method_list64_t {
3669 uint32_t entsize;
3670 uint32_t count;
3671 /* struct method64_t first; These structures follow inline */
3672};
3673
3674struct method_list32_t {
3675 uint32_t entsize;
3676 uint32_t count;
3677 /* struct method32_t first; These structures follow inline */
3678};
3679
3680struct method64_t {
3681 uint64_t name; /* SEL (64-bit pointer) */
3682 uint64_t types; /* const char * (64-bit pointer) */
3683 uint64_t imp; /* IMP (64-bit pointer) */
3684};
3685
3686struct method32_t {
3687 uint32_t name; /* SEL (32-bit pointer) */
3688 uint32_t types; /* const char * (32-bit pointer) */
3689 uint32_t imp; /* IMP (32-bit pointer) */
3690};
3691
3692struct method_relative_t {
3693 int32_t name; /* SEL (32-bit relative) */
3694 int32_t types; /* const char * (32-bit relative) */
3695 int32_t imp; /* IMP (32-bit relative) */
3696};
3697
3698struct protocol_list64_t {
3699 uint64_t count; /* uintptr_t (a 64-bit value) */
3700 /* struct protocol64_t * list[0]; These pointers follow inline */
3701};
3702
3703struct protocol_list32_t {
3704 uint32_t count; /* uintptr_t (a 32-bit value) */
3705 /* struct protocol32_t * list[0]; These pointers follow inline */
3706};
3707
3708struct protocol64_t {
3709 uint64_t isa; /* id * (64-bit pointer) */
3710 uint64_t name; /* const char * (64-bit pointer) */
3711 uint64_t protocols; /* struct protocol_list64_t *
3712 (64-bit pointer) */
3713 uint64_t instanceMethods; /* method_list_t * (64-bit pointer) */
3714 uint64_t classMethods; /* method_list_t * (64-bit pointer) */
3715 uint64_t optionalInstanceMethods; /* method_list_t * (64-bit pointer) */
3716 uint64_t optionalClassMethods; /* method_list_t * (64-bit pointer) */
3717 uint64_t instanceProperties; /* struct objc_property_list *
3718 (64-bit pointer) */
3719};
3720
3721struct protocol32_t {
3722 uint32_t isa; /* id * (32-bit pointer) */
3723 uint32_t name; /* const char * (32-bit pointer) */
3724 uint32_t protocols; /* struct protocol_list_t *
3725 (32-bit pointer) */
3726 uint32_t instanceMethods; /* method_list_t * (32-bit pointer) */
3727 uint32_t classMethods; /* method_list_t * (32-bit pointer) */
3728 uint32_t optionalInstanceMethods; /* method_list_t * (32-bit pointer) */
3729 uint32_t optionalClassMethods; /* method_list_t * (32-bit pointer) */
3730 uint32_t instanceProperties; /* struct objc_property_list *
3731 (32-bit pointer) */
3732};
3733
3734struct ivar_list64_t {
3735 uint32_t entsize;
3736 uint32_t count;
3737 /* struct ivar64_t first; These structures follow inline */
3738};
3739
3740struct ivar_list32_t {
3741 uint32_t entsize;
3742 uint32_t count;
3743 /* struct ivar32_t first; These structures follow inline */
3744};
3745
3746struct ivar64_t {
3747 uint64_t offset; /* uintptr_t * (64-bit pointer) */
3748 uint64_t name; /* const char * (64-bit pointer) */
3749 uint64_t type; /* const char * (64-bit pointer) */
3750 uint32_t alignment;
3751 uint32_t size;
3752};
3753
3754struct ivar32_t {
3755 uint32_t offset; /* uintptr_t * (32-bit pointer) */
3756 uint32_t name; /* const char * (32-bit pointer) */
3757 uint32_t type; /* const char * (32-bit pointer) */
3758 uint32_t alignment;
3759 uint32_t size;
3760};
3761
3762struct objc_property_list64 {
3763 uint32_t entsize;
3764 uint32_t count;
3765 /* struct objc_property64 first; These structures follow inline */
3766};
3767
3768struct objc_property_list32 {
3769 uint32_t entsize;
3770 uint32_t count;
3771 /* struct objc_property32 first; These structures follow inline */
3772};
3773
3774struct objc_property64 {
3775 uint64_t name; /* const char * (64-bit pointer) */
3776 uint64_t attributes; /* const char * (64-bit pointer) */
3777};
3778
3779struct objc_property32 {
3780 uint32_t name; /* const char * (32-bit pointer) */
3781 uint32_t attributes; /* const char * (32-bit pointer) */
3782};
3783
3784struct category64_t {
3785 uint64_t name; /* const char * (64-bit pointer) */
3786 uint64_t cls; /* struct class_t * (64-bit pointer) */
3787 uint64_t instanceMethods; /* struct method_list_t * (64-bit pointer) */
3788 uint64_t classMethods; /* struct method_list_t * (64-bit pointer) */
3789 uint64_t protocols; /* struct protocol_list_t * (64-bit pointer) */
3790 uint64_t instanceProperties; /* struct objc_property_list *
3791 (64-bit pointer) */
3792};
3793
3794struct category32_t {
3795 uint32_t name; /* const char * (32-bit pointer) */
3796 uint32_t cls; /* struct class_t * (32-bit pointer) */
3797 uint32_t instanceMethods; /* struct method_list_t * (32-bit pointer) */
3798 uint32_t classMethods; /* struct method_list_t * (32-bit pointer) */
3799 uint32_t protocols; /* struct protocol_list_t * (32-bit pointer) */
3800 uint32_t instanceProperties; /* struct objc_property_list *
3801 (32-bit pointer) */
3802};
3803
3804struct objc_image_info64 {
3805 uint32_t version;
3806 uint32_t flags;
3807};
3808struct objc_image_info32 {
3809 uint32_t version;
3810 uint32_t flags;
3811};
3812struct imageInfo_t {
3813 uint32_t version;
3814 uint32_t flags;
3815};
3816/* masks for objc_image_info.flags */
3817#define OBJC_IMAGE_IS_REPLACEMENT (1 << 0)
3818#define OBJC_IMAGE_SUPPORTS_GC (1 << 1)
3819#define OBJC_IMAGE_IS_SIMULATED (1 << 5)
3820#define OBJC_IMAGE_HAS_CATEGORY_CLASS_PROPERTIES (1 << 6)
3821
3822struct message_ref64 {
3823 uint64_t imp; /* IMP (64-bit pointer) */
3824 uint64_t sel; /* SEL (64-bit pointer) */
3825};
3826
3827struct message_ref32 {
3828 uint32_t imp; /* IMP (32-bit pointer) */
3829 uint32_t sel; /* SEL (32-bit pointer) */
3830};
3831
3832// Objective-C 1 (32-bit only) meta data structs.
3833
3834struct objc_module_t {
3835 uint32_t version;
3836 uint32_t size;
3837 uint32_t name; /* char * (32-bit pointer) */
3838 uint32_t symtab; /* struct objc_symtab * (32-bit pointer) */
3839};
3840
3841struct objc_symtab_t {
3842 uint32_t sel_ref_cnt;
3843 uint32_t refs; /* SEL * (32-bit pointer) */
3844 uint16_t cls_def_cnt;
3845 uint16_t cat_def_cnt;
3846 // uint32_t defs[1]; /* void * (32-bit pointer) variable size */
3847};
3848
3849struct objc_class_t {
3850 uint32_t isa; /* struct objc_class * (32-bit pointer) */
3851 uint32_t super_class; /* struct objc_class * (32-bit pointer) */
3852 uint32_t name; /* const char * (32-bit pointer) */
3853 int32_t version;
3854 int32_t info;
3855 int32_t instance_size;
3856 uint32_t ivars; /* struct objc_ivar_list * (32-bit pointer) */
3857 uint32_t methodLists; /* struct objc_method_list ** (32-bit pointer) */
3858 uint32_t cache; /* struct objc_cache * (32-bit pointer) */
3859 uint32_t protocols; /* struct objc_protocol_list * (32-bit pointer) */
3860};
3861
3862#define CLS_GETINFO(cls, infomask) ((cls)->info & (infomask))
3863// class is not a metaclass
3864#define CLS_CLASS 0x1
3865// class is a metaclass
3866#define CLS_META 0x2
3867
3868struct objc_category_t {
3869 uint32_t category_name; /* char * (32-bit pointer) */
3870 uint32_t class_name; /* char * (32-bit pointer) */
3871 uint32_t instance_methods; /* struct objc_method_list * (32-bit pointer) */
3872 uint32_t class_methods; /* struct objc_method_list * (32-bit pointer) */
3873 uint32_t protocols; /* struct objc_protocol_list * (32-bit ptr) */
3874};
3875
3876struct objc_ivar_t {
3877 uint32_t ivar_name; /* char * (32-bit pointer) */
3878 uint32_t ivar_type; /* char * (32-bit pointer) */
3879 int32_t ivar_offset;
3880};
3881
3882struct objc_ivar_list_t {
3883 int32_t ivar_count;
3884 // struct objc_ivar_t ivar_list[1]; /* variable length structure */
3885};
3886
3887struct objc_method_list_t {
3888 uint32_t obsolete; /* struct objc_method_list * (32-bit pointer) */
3889 int32_t method_count;
3890 // struct objc_method_t method_list[1]; /* variable length structure */
3891};
3892
3893struct objc_method_t {
3894 uint32_t method_name; /* SEL, aka struct objc_selector * (32-bit pointer) */
3895 uint32_t method_types; /* char * (32-bit pointer) */
3896 uint32_t method_imp; /* IMP, aka function pointer, (*IMP)(id, SEL, ...)
3897 (32-bit pointer) */
3898};
3899
3900struct objc_protocol_list_t {
3901 uint32_t next; /* struct objc_protocol_list * (32-bit pointer) */
3902 int32_t count;
3903 // uint32_t list[1]; /* Protocol *, aka struct objc_protocol_t *
3904 // (32-bit pointer) */
3905};
3906
3907struct objc_protocol_t {
3908 uint32_t isa; /* struct objc_class * (32-bit pointer) */
3909 uint32_t protocol_name; /* char * (32-bit pointer) */
3910 uint32_t protocol_list; /* struct objc_protocol_list * (32-bit pointer) */
3911 uint32_t instance_methods; /* struct objc_method_description_list *
3912 (32-bit pointer) */
3913 uint32_t class_methods; /* struct objc_method_description_list *
3914 (32-bit pointer) */
3915};
3916
3917struct objc_method_description_list_t {
3918 int32_t count;
3919 // struct objc_method_description_t list[1];
3920};
3921
3922struct objc_method_description_t {
3923 uint32_t name; /* SEL, aka struct objc_selector * (32-bit pointer) */
3924 uint32_t types; /* char * (32-bit pointer) */
3925};
3926
3927inline void swapStruct(struct cfstring64_t &cfs) {
3928 sys::swapByteOrder(Value&: cfs.isa);
3929 sys::swapByteOrder(Value&: cfs.flags);
3930 sys::swapByteOrder(Value&: cfs.characters);
3931 sys::swapByteOrder(Value&: cfs.length);
3932}
3933
3934inline void swapStruct(struct class64_t &c) {
3935 sys::swapByteOrder(Value&: c.isa);
3936 sys::swapByteOrder(Value&: c.superclass);
3937 sys::swapByteOrder(Value&: c.cache);
3938 sys::swapByteOrder(Value&: c.vtable);
3939 sys::swapByteOrder(Value&: c.data);
3940}
3941
3942inline void swapStruct(struct class32_t &c) {
3943 sys::swapByteOrder(Value&: c.isa);
3944 sys::swapByteOrder(Value&: c.superclass);
3945 sys::swapByteOrder(Value&: c.cache);
3946 sys::swapByteOrder(Value&: c.vtable);
3947 sys::swapByteOrder(Value&: c.data);
3948}
3949
3950inline void swapStruct(struct class_ro64_t &cro) {
3951 sys::swapByteOrder(Value&: cro.flags);
3952 sys::swapByteOrder(Value&: cro.instanceStart);
3953 sys::swapByteOrder(Value&: cro.instanceSize);
3954 sys::swapByteOrder(Value&: cro.reserved);
3955 sys::swapByteOrder(Value&: cro.ivarLayout);
3956 sys::swapByteOrder(Value&: cro.name);
3957 sys::swapByteOrder(Value&: cro.baseMethods);
3958 sys::swapByteOrder(Value&: cro.baseProtocols);
3959 sys::swapByteOrder(Value&: cro.ivars);
3960 sys::swapByteOrder(Value&: cro.weakIvarLayout);
3961 sys::swapByteOrder(Value&: cro.baseProperties);
3962}
3963
3964inline void swapStruct(struct class_ro32_t &cro) {
3965 sys::swapByteOrder(Value&: cro.flags);
3966 sys::swapByteOrder(Value&: cro.instanceStart);
3967 sys::swapByteOrder(Value&: cro.instanceSize);
3968 sys::swapByteOrder(Value&: cro.ivarLayout);
3969 sys::swapByteOrder(Value&: cro.name);
3970 sys::swapByteOrder(Value&: cro.baseMethods);
3971 sys::swapByteOrder(Value&: cro.baseProtocols);
3972 sys::swapByteOrder(Value&: cro.ivars);
3973 sys::swapByteOrder(Value&: cro.weakIvarLayout);
3974 sys::swapByteOrder(Value&: cro.baseProperties);
3975}
3976
3977inline void swapStruct(struct method_list64_t &ml) {
3978 sys::swapByteOrder(Value&: ml.entsize);
3979 sys::swapByteOrder(Value&: ml.count);
3980}
3981
3982inline void swapStruct(struct method_list32_t &ml) {
3983 sys::swapByteOrder(Value&: ml.entsize);
3984 sys::swapByteOrder(Value&: ml.count);
3985}
3986
3987inline void swapStruct(struct method64_t &m) {
3988 sys::swapByteOrder(Value&: m.name);
3989 sys::swapByteOrder(Value&: m.types);
3990 sys::swapByteOrder(Value&: m.imp);
3991}
3992
3993inline void swapStruct(struct method32_t &m) {
3994 sys::swapByteOrder(Value&: m.name);
3995 sys::swapByteOrder(Value&: m.types);
3996 sys::swapByteOrder(Value&: m.imp);
3997}
3998
3999inline void swapStruct(struct method_relative_t &m) {
4000 sys::swapByteOrder(Value&: m.name);
4001 sys::swapByteOrder(Value&: m.types);
4002 sys::swapByteOrder(Value&: m.imp);
4003}
4004
4005inline void swapStruct(struct protocol_list64_t &pl) {
4006 sys::swapByteOrder(Value&: pl.count);
4007}
4008
4009inline void swapStruct(struct protocol_list32_t &pl) {
4010 sys::swapByteOrder(Value&: pl.count);
4011}
4012
4013inline void swapStruct(struct protocol64_t &p) {
4014 sys::swapByteOrder(Value&: p.isa);
4015 sys::swapByteOrder(Value&: p.name);
4016 sys::swapByteOrder(Value&: p.protocols);
4017 sys::swapByteOrder(Value&: p.instanceMethods);
4018 sys::swapByteOrder(Value&: p.classMethods);
4019 sys::swapByteOrder(Value&: p.optionalInstanceMethods);
4020 sys::swapByteOrder(Value&: p.optionalClassMethods);
4021 sys::swapByteOrder(Value&: p.instanceProperties);
4022}
4023
4024inline void swapStruct(struct protocol32_t &p) {
4025 sys::swapByteOrder(Value&: p.isa);
4026 sys::swapByteOrder(Value&: p.name);
4027 sys::swapByteOrder(Value&: p.protocols);
4028 sys::swapByteOrder(Value&: p.instanceMethods);
4029 sys::swapByteOrder(Value&: p.classMethods);
4030 sys::swapByteOrder(Value&: p.optionalInstanceMethods);
4031 sys::swapByteOrder(Value&: p.optionalClassMethods);
4032 sys::swapByteOrder(Value&: p.instanceProperties);
4033}
4034
4035inline void swapStruct(struct ivar_list64_t &il) {
4036 sys::swapByteOrder(Value&: il.entsize);
4037 sys::swapByteOrder(Value&: il.count);
4038}
4039
4040inline void swapStruct(struct ivar_list32_t &il) {
4041 sys::swapByteOrder(Value&: il.entsize);
4042 sys::swapByteOrder(Value&: il.count);
4043}
4044
4045inline void swapStruct(struct ivar64_t &i) {
4046 sys::swapByteOrder(Value&: i.offset);
4047 sys::swapByteOrder(Value&: i.name);
4048 sys::swapByteOrder(Value&: i.type);
4049 sys::swapByteOrder(Value&: i.alignment);
4050 sys::swapByteOrder(Value&: i.size);
4051}
4052
4053inline void swapStruct(struct ivar32_t &i) {
4054 sys::swapByteOrder(Value&: i.offset);
4055 sys::swapByteOrder(Value&: i.name);
4056 sys::swapByteOrder(Value&: i.type);
4057 sys::swapByteOrder(Value&: i.alignment);
4058 sys::swapByteOrder(Value&: i.size);
4059}
4060
4061inline void swapStruct(struct objc_property_list64 &pl) {
4062 sys::swapByteOrder(Value&: pl.entsize);
4063 sys::swapByteOrder(Value&: pl.count);
4064}
4065
4066inline void swapStruct(struct objc_property_list32 &pl) {
4067 sys::swapByteOrder(Value&: pl.entsize);
4068 sys::swapByteOrder(Value&: pl.count);
4069}
4070
4071inline void swapStruct(struct objc_property64 &op) {
4072 sys::swapByteOrder(Value&: op.name);
4073 sys::swapByteOrder(Value&: op.attributes);
4074}
4075
4076inline void swapStruct(struct objc_property32 &op) {
4077 sys::swapByteOrder(Value&: op.name);
4078 sys::swapByteOrder(Value&: op.attributes);
4079}
4080
4081inline void swapStruct(struct category64_t &c) {
4082 sys::swapByteOrder(Value&: c.name);
4083 sys::swapByteOrder(Value&: c.cls);
4084 sys::swapByteOrder(Value&: c.instanceMethods);
4085 sys::swapByteOrder(Value&: c.classMethods);
4086 sys::swapByteOrder(Value&: c.protocols);
4087 sys::swapByteOrder(Value&: c.instanceProperties);
4088}
4089
4090inline void swapStruct(struct category32_t &c) {
4091 sys::swapByteOrder(Value&: c.name);
4092 sys::swapByteOrder(Value&: c.cls);
4093 sys::swapByteOrder(Value&: c.instanceMethods);
4094 sys::swapByteOrder(Value&: c.classMethods);
4095 sys::swapByteOrder(Value&: c.protocols);
4096 sys::swapByteOrder(Value&: c.instanceProperties);
4097}
4098
4099inline void swapStruct(struct objc_image_info64 &o) {
4100 sys::swapByteOrder(Value&: o.version);
4101 sys::swapByteOrder(Value&: o.flags);
4102}
4103
4104inline void swapStruct(struct objc_image_info32 &o) {
4105 sys::swapByteOrder(Value&: o.version);
4106 sys::swapByteOrder(Value&: o.flags);
4107}
4108
4109inline void swapStruct(struct imageInfo_t &o) {
4110 sys::swapByteOrder(Value&: o.version);
4111 sys::swapByteOrder(Value&: o.flags);
4112}
4113
4114inline void swapStruct(struct message_ref64 &mr) {
4115 sys::swapByteOrder(Value&: mr.imp);
4116 sys::swapByteOrder(Value&: mr.sel);
4117}
4118
4119inline void swapStruct(struct message_ref32 &mr) {
4120 sys::swapByteOrder(Value&: mr.imp);
4121 sys::swapByteOrder(Value&: mr.sel);
4122}
4123
4124inline void swapStruct(struct objc_module_t &module) {
4125 sys::swapByteOrder(Value&: module.version);
4126 sys::swapByteOrder(Value&: module.size);
4127 sys::swapByteOrder(Value&: module.name);
4128 sys::swapByteOrder(Value&: module.symtab);
4129}
4130
4131inline void swapStruct(struct objc_symtab_t &symtab) {
4132 sys::swapByteOrder(Value&: symtab.sel_ref_cnt);
4133 sys::swapByteOrder(Value&: symtab.refs);
4134 sys::swapByteOrder(Value&: symtab.cls_def_cnt);
4135 sys::swapByteOrder(Value&: symtab.cat_def_cnt);
4136}
4137
4138inline void swapStruct(struct objc_class_t &objc_class) {
4139 sys::swapByteOrder(Value&: objc_class.isa);
4140 sys::swapByteOrder(Value&: objc_class.super_class);
4141 sys::swapByteOrder(Value&: objc_class.name);
4142 sys::swapByteOrder(Value&: objc_class.version);
4143 sys::swapByteOrder(Value&: objc_class.info);
4144 sys::swapByteOrder(Value&: objc_class.instance_size);
4145 sys::swapByteOrder(Value&: objc_class.ivars);
4146 sys::swapByteOrder(Value&: objc_class.methodLists);
4147 sys::swapByteOrder(Value&: objc_class.cache);
4148 sys::swapByteOrder(Value&: objc_class.protocols);
4149}
4150
4151inline void swapStruct(struct objc_category_t &objc_category) {
4152 sys::swapByteOrder(Value&: objc_category.category_name);
4153 sys::swapByteOrder(Value&: objc_category.class_name);
4154 sys::swapByteOrder(Value&: objc_category.instance_methods);
4155 sys::swapByteOrder(Value&: objc_category.class_methods);
4156 sys::swapByteOrder(Value&: objc_category.protocols);
4157}
4158
4159inline void swapStruct(struct objc_ivar_list_t &objc_ivar_list) {
4160 sys::swapByteOrder(Value&: objc_ivar_list.ivar_count);
4161}
4162
4163inline void swapStruct(struct objc_ivar_t &objc_ivar) {
4164 sys::swapByteOrder(Value&: objc_ivar.ivar_name);
4165 sys::swapByteOrder(Value&: objc_ivar.ivar_type);
4166 sys::swapByteOrder(Value&: objc_ivar.ivar_offset);
4167}
4168
4169inline void swapStruct(struct objc_method_list_t &method_list) {
4170 sys::swapByteOrder(Value&: method_list.obsolete);
4171 sys::swapByteOrder(Value&: method_list.method_count);
4172}
4173
4174inline void swapStruct(struct objc_method_t &method) {
4175 sys::swapByteOrder(Value&: method.method_name);
4176 sys::swapByteOrder(Value&: method.method_types);
4177 sys::swapByteOrder(Value&: method.method_imp);
4178}
4179
4180inline void swapStruct(struct objc_protocol_list_t &protocol_list) {
4181 sys::swapByteOrder(Value&: protocol_list.next);
4182 sys::swapByteOrder(Value&: protocol_list.count);
4183}
4184
4185inline void swapStruct(struct objc_protocol_t &protocol) {
4186 sys::swapByteOrder(Value&: protocol.isa);
4187 sys::swapByteOrder(Value&: protocol.protocol_name);
4188 sys::swapByteOrder(Value&: protocol.protocol_list);
4189 sys::swapByteOrder(Value&: protocol.instance_methods);
4190 sys::swapByteOrder(Value&: protocol.class_methods);
4191}
4192
4193inline void swapStruct(struct objc_method_description_list_t &mdl) {
4194 sys::swapByteOrder(Value&: mdl.count);
4195}
4196
4197inline void swapStruct(struct objc_method_description_t &md) {
4198 sys::swapByteOrder(Value&: md.name);
4199 sys::swapByteOrder(Value&: md.types);
4200}
4201
4202} // namespace
4203
4204static const char *get_dyld_bind_info_symbolname(uint64_t ReferenceValue,
4205 struct DisassembleInfo *info);
4206
4207// get_objc2_64bit_class_name() is used for disassembly and is passed a pointer
4208// to an Objective-C class and returns the class name. It is also passed the
4209// address of the pointer, so when the pointer is zero as it can be in an .o
4210// file, that is used to look for an external relocation entry with a symbol
4211// name.
4212static const char *get_objc2_64bit_class_name(uint64_t pointer_value,
4213 uint64_t ReferenceValue,
4214 struct DisassembleInfo *info) {
4215 const char *r;
4216 uint32_t offset, left;
4217 SectionRef S;
4218
4219 // The pointer_value can be 0 in an object file and have a relocation
4220 // entry for the class symbol at the ReferenceValue (the address of the
4221 // pointer).
4222 if (pointer_value == 0) {
4223 r = get_pointer_64(Address: ReferenceValue, offset, left, S, info);
4224 if (r == nullptr || left < sizeof(uint64_t))
4225 return nullptr;
4226 uint64_t n_value;
4227 const char *symbol_name = get_symbol_64(sect_offset: offset, S, info, n_value);
4228 if (symbol_name == nullptr)
4229 return nullptr;
4230 const char *class_name = strrchr(s: symbol_name, c: '$');
4231 if (class_name != nullptr && class_name[1] == '_' && class_name[2] != '\0')
4232 return class_name + 2;
4233 else
4234 return nullptr;
4235 }
4236
4237 // The case were the pointer_value is non-zero and points to a class defined
4238 // in this Mach-O file.
4239 r = get_pointer_64(Address: pointer_value, offset, left, S, info);
4240 if (r == nullptr || left < sizeof(struct class64_t))
4241 return nullptr;
4242 struct class64_t c;
4243 memcpy(dest: &c, src: r, n: sizeof(struct class64_t));
4244 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
4245 swapStruct(c);
4246 if (c.data == 0)
4247 return nullptr;
4248 r = get_pointer_64(Address: c.data, offset, left, S, info);
4249 if (r == nullptr || left < sizeof(struct class_ro64_t))
4250 return nullptr;
4251 struct class_ro64_t cro;
4252 memcpy(dest: &cro, src: r, n: sizeof(struct class_ro64_t));
4253 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
4254 swapStruct(cro);
4255 if (cro.name == 0)
4256 return nullptr;
4257 const char *name = get_pointer_64(Address: cro.name, offset, left, S, info);
4258 return name;
4259}
4260
4261// get_objc2_64bit_cfstring_name is used for disassembly and is passed a
4262// pointer to a cfstring and returns its name or nullptr.
4263static const char *get_objc2_64bit_cfstring_name(uint64_t ReferenceValue,
4264 struct DisassembleInfo *info) {
4265 const char *r, *name;
4266 uint32_t offset, left;
4267 SectionRef S;
4268 struct cfstring64_t cfs;
4269 uint64_t cfs_characters;
4270
4271 r = get_pointer_64(Address: ReferenceValue, offset, left, S, info);
4272 if (r == nullptr || left < sizeof(struct cfstring64_t))
4273 return nullptr;
4274 memcpy(dest: &cfs, src: r, n: sizeof(struct cfstring64_t));
4275 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
4276 swapStruct(cfs);
4277 if (cfs.characters == 0) {
4278 uint64_t n_value;
4279 const char *symbol_name = get_symbol_64(
4280 sect_offset: offset + offsetof(struct cfstring64_t, characters), S, info, n_value);
4281 if (symbol_name == nullptr)
4282 return nullptr;
4283 cfs_characters = n_value;
4284 } else
4285 cfs_characters = cfs.characters;
4286 name = get_pointer_64(Address: cfs_characters, offset, left, S, info);
4287
4288 return name;
4289}
4290
4291// get_objc2_64bit_selref() is used for disassembly and is passed a the address
4292// of a pointer to an Objective-C selector reference when the pointer value is
4293// zero as in a .o file and is likely to have a external relocation entry with
4294// who's symbol's n_value is the real pointer to the selector name. If that is
4295// the case the real pointer to the selector name is returned else 0 is
4296// returned
4297static uint64_t get_objc2_64bit_selref(uint64_t ReferenceValue,
4298 struct DisassembleInfo *info) {
4299 uint32_t offset, left;
4300 SectionRef S;
4301
4302 const char *r = get_pointer_64(Address: ReferenceValue, offset, left, S, info);
4303 if (r == nullptr || left < sizeof(uint64_t))
4304 return 0;
4305 uint64_t n_value;
4306 const char *symbol_name = get_symbol_64(sect_offset: offset, S, info, n_value);
4307 if (symbol_name == nullptr)
4308 return 0;
4309 return n_value;
4310}
4311
4312static const SectionRef get_section(MachOObjectFile *O, const char *segname,
4313 const char *sectname) {
4314 for (const SectionRef &Section : O->sections()) {
4315 StringRef SectName;
4316 Expected<StringRef> SecNameOrErr = Section.getName();
4317 if (SecNameOrErr)
4318 SectName = *SecNameOrErr;
4319 else
4320 consumeError(Err: SecNameOrErr.takeError());
4321
4322 DataRefImpl Ref = Section.getRawDataRefImpl();
4323 StringRef SegName = O->getSectionFinalSegmentName(Sec: Ref);
4324 if (SegName == segname && SectName == sectname)
4325 return Section;
4326 }
4327 return SectionRef();
4328}
4329
4330static void
4331walk_pointer_list_64(const char *listname, const SectionRef S,
4332 MachOObjectFile *O, struct DisassembleInfo *info,
4333 void (*func)(uint64_t, struct DisassembleInfo *info)) {
4334 if (S == SectionRef())
4335 return;
4336
4337 StringRef SectName;
4338 Expected<StringRef> SecNameOrErr = S.getName();
4339 if (SecNameOrErr)
4340 SectName = *SecNameOrErr;
4341 else
4342 consumeError(Err: SecNameOrErr.takeError());
4343
4344 DataRefImpl Ref = S.getRawDataRefImpl();
4345 StringRef SegName = O->getSectionFinalSegmentName(Sec: Ref);
4346 outs() << "Contents of (" << SegName << "," << SectName << ") section\n";
4347
4348 StringRef BytesStr = unwrapOrError(EO: S.getContents(), Args: O->getFileName());
4349 const char *Contents = reinterpret_cast<const char *>(BytesStr.data());
4350
4351 for (uint32_t i = 0; i < S.getSize(); i += sizeof(uint64_t)) {
4352 uint32_t left = S.getSize() - i;
4353 uint32_t size = left < sizeof(uint64_t) ? left : sizeof(uint64_t);
4354 uint64_t p = 0;
4355 memcpy(dest: &p, src: Contents + i, n: size);
4356 if (i + sizeof(uint64_t) > S.getSize())
4357 outs() << listname << " list pointer extends past end of (" << SegName
4358 << "," << SectName << ") section\n";
4359 outs() << format(Fmt: "%016" PRIx64, Vals: S.getAddress() + i) << " ";
4360
4361 if (O->isLittleEndian() != sys::IsLittleEndianHost)
4362 sys::swapByteOrder(Value&: p);
4363
4364 uint64_t n_value = 0;
4365 const char *name = get_symbol_64(sect_offset: i, S, info, n_value, ReferenceValue: p);
4366 if (name == nullptr)
4367 name = get_dyld_bind_info_symbolname(ReferenceValue: S.getAddress() + i, info);
4368
4369 if (n_value != 0) {
4370 outs() << format(Fmt: "0x%" PRIx64, Vals: n_value);
4371 if (p != 0)
4372 outs() << " + " << format(Fmt: "0x%" PRIx64, Vals: p);
4373 } else
4374 outs() << format(Fmt: "0x%" PRIx64, Vals: p);
4375 if (name != nullptr)
4376 outs() << " " << name;
4377 outs() << "\n";
4378
4379 p += n_value;
4380 if (func)
4381 func(p, info);
4382 }
4383}
4384
4385static void
4386walk_pointer_list_32(const char *listname, const SectionRef S,
4387 MachOObjectFile *O, struct DisassembleInfo *info,
4388 void (*func)(uint32_t, struct DisassembleInfo *info)) {
4389 if (S == SectionRef())
4390 return;
4391
4392 StringRef SectName = unwrapOrError(EO: S.getName(), Args: O->getFileName());
4393 DataRefImpl Ref = S.getRawDataRefImpl();
4394 StringRef SegName = O->getSectionFinalSegmentName(Sec: Ref);
4395 outs() << "Contents of (" << SegName << "," << SectName << ") section\n";
4396
4397 StringRef BytesStr = unwrapOrError(EO: S.getContents(), Args: O->getFileName());
4398 const char *Contents = reinterpret_cast<const char *>(BytesStr.data());
4399
4400 for (uint32_t i = 0; i < S.getSize(); i += sizeof(uint32_t)) {
4401 uint32_t left = S.getSize() - i;
4402 uint32_t size = left < sizeof(uint32_t) ? left : sizeof(uint32_t);
4403 uint32_t p = 0;
4404 memcpy(dest: &p, src: Contents + i, n: size);
4405 if (i + sizeof(uint32_t) > S.getSize())
4406 outs() << listname << " list pointer extends past end of (" << SegName
4407 << "," << SectName << ") section\n";
4408 uint32_t Address = S.getAddress() + i;
4409 outs() << format(Fmt: "%08" PRIx32, Vals: Address) << " ";
4410
4411 if (O->isLittleEndian() != sys::IsLittleEndianHost)
4412 sys::swapByteOrder(Value&: p);
4413 outs() << format(Fmt: "0x%" PRIx32, Vals: p);
4414
4415 const char *name = get_symbol_32(sect_offset: i, S, info, ReferenceValue: p);
4416 if (name != nullptr)
4417 outs() << " " << name;
4418 outs() << "\n";
4419
4420 if (func)
4421 func(p, info);
4422 }
4423}
4424
4425static void print_layout_map(const char *layout_map, uint32_t left) {
4426 if (layout_map == nullptr)
4427 return;
4428 outs() << " layout map: ";
4429 do {
4430 outs() << format(Fmt: "0x%02" PRIx32, Vals: (*layout_map) & 0xff) << " ";
4431 left--;
4432 layout_map++;
4433 } while (*layout_map != '\0' && left != 0);
4434 outs() << "\n";
4435}
4436
4437static void print_layout_map64(uint64_t p, struct DisassembleInfo *info) {
4438 uint32_t offset, left;
4439 SectionRef S;
4440 const char *layout_map;
4441
4442 if (p == 0)
4443 return;
4444 layout_map = get_pointer_64(Address: p, offset, left, S, info);
4445 print_layout_map(layout_map, left);
4446}
4447
4448static void print_layout_map32(uint32_t p, struct DisassembleInfo *info) {
4449 uint32_t offset, left;
4450 SectionRef S;
4451 const char *layout_map;
4452
4453 if (p == 0)
4454 return;
4455 layout_map = get_pointer_32(Address: p, offset, left, S, info);
4456 print_layout_map(layout_map, left);
4457}
4458
4459static void print_relative_method_list(uint32_t structSizeAndFlags,
4460 uint32_t structCount, uint64_t p,
4461 struct DisassembleInfo *info,
4462 const char *indent,
4463 uint32_t pointerBits) {
4464 struct method_relative_t m;
4465 const char *r, *name;
4466 uint32_t offset, xoffset, left, i;
4467 SectionRef S, xS;
4468
4469 assert(((structSizeAndFlags & ML_HAS_RELATIVE_PTRS) != 0) &&
4470 "expected structSizeAndFlags to have ML_HAS_RELATIVE_PTRS flag");
4471
4472 outs() << indent << "\t\t entsize "
4473 << (structSizeAndFlags & ML_ENTSIZE_MASK) << " (relative) \n";
4474 outs() << indent << "\t\t count " << structCount << "\n";
4475
4476 for (i = 0; i < structCount; i++) {
4477 r = get_pointer_64(Address: p, offset, left, S, info);
4478 memset(s: &m, c: '\0', n: sizeof(struct method_relative_t));
4479 if (left < sizeof(struct method_relative_t)) {
4480 memcpy(dest: &m, src: r, n: left);
4481 outs() << indent << " (method_t extends past the end of the section)\n";
4482 } else
4483 memcpy(dest: &m, src: r, n: sizeof(struct method_relative_t));
4484 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
4485 swapStruct(m);
4486
4487 outs() << indent << "\t\t name " << format(Fmt: "0x%" PRIx32, Vals: m.name);
4488 uint64_t relNameRefVA = p + offsetof(struct method_relative_t, name);
4489 uint64_t absNameRefVA = relNameRefVA + m.name;
4490 outs() << " (" << format(Fmt: "0x%" PRIx32, Vals: absNameRefVA) << ")";
4491
4492 // since this is a relative list, absNameRefVA is the address of the
4493 // __objc_selrefs entry, so a pointer, not the actual name
4494 const char *nameRefPtr =
4495 get_pointer_64(Address: absNameRefVA, offset&: xoffset, left, S&: xS, info);
4496 if (nameRefPtr) {
4497 uint32_t pointerSize = pointerBits / CHAR_BIT;
4498 if (left < pointerSize)
4499 outs() << indent << " (nameRefPtr extends past the end of the section)";
4500 else {
4501 if (pointerSize == 64) {
4502 uint64_t nameOff_64 = *reinterpret_cast<const uint64_t *>(nameRefPtr);
4503 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
4504 sys::swapByteOrder(Value&: nameOff_64);
4505 name = get_pointer_64(Address: nameOff_64, offset&: xoffset, left, S&: xS, info);
4506 } else {
4507 uint32_t nameOff_32 = *reinterpret_cast<const uint32_t *>(nameRefPtr);
4508 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
4509 sys::swapByteOrder(Value&: nameOff_32);
4510 name = get_pointer_32(Address: nameOff_32, offset&: xoffset, left, S&: xS, info);
4511 }
4512 if (name != nullptr)
4513 outs() << format(Fmt: " %.*s", Vals: left, Vals: name);
4514 }
4515 }
4516 outs() << "\n";
4517
4518 outs() << indent << "\t\t types " << format(Fmt: "0x%" PRIx32, Vals: m.types);
4519 uint64_t relTypesVA = p + offsetof(struct method_relative_t, types);
4520 uint64_t absTypesVA = relTypesVA + m.types;
4521 outs() << " (" << format(Fmt: "0x%" PRIx32, Vals: absTypesVA) << ")";
4522 name = get_pointer_32(Address: absTypesVA, offset&: xoffset, left, S&: xS, info);
4523 if (name != nullptr)
4524 outs() << format(Fmt: " %.*s", Vals: left, Vals: name);
4525 outs() << "\n";
4526
4527 outs() << indent << "\t\t imp " << format(Fmt: "0x%" PRIx32, Vals: m.imp);
4528 uint64_t relImpVA = p + offsetof(struct method_relative_t, imp);
4529 uint64_t absImpVA = relImpVA + m.imp;
4530 outs() << " (" << format(Fmt: "0x%" PRIx32, Vals: absImpVA) << ")";
4531 name = GuessSymbolName(value: absImpVA, AddrMap: info->AddrMap);
4532 if (name != nullptr)
4533 outs() << " " << name;
4534 outs() << "\n";
4535
4536 p += sizeof(struct method_relative_t);
4537 offset += sizeof(struct method_relative_t);
4538 }
4539}
4540
4541static void print_method_list64_t(uint64_t p, struct DisassembleInfo *info,
4542 const char *indent) {
4543 struct method_list64_t ml;
4544 struct method64_t m;
4545 const char *r;
4546 uint32_t offset, xoffset, left, i;
4547 SectionRef S, xS;
4548 const char *name, *sym_name;
4549 uint64_t n_value;
4550
4551 r = get_pointer_64(Address: p, offset, left, S, info);
4552 if (r == nullptr)
4553 return;
4554 memset(s: &ml, c: '\0', n: sizeof(struct method_list64_t));
4555 if (left < sizeof(struct method_list64_t)) {
4556 memcpy(dest: &ml, src: r, n: left);
4557 outs() << " (method_list_t entends past the end of the section)\n";
4558 } else
4559 memcpy(dest: &ml, src: r, n: sizeof(struct method_list64_t));
4560 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
4561 swapStruct(ml);
4562 p += sizeof(struct method_list64_t);
4563
4564 if ((ml.entsize & ML_HAS_RELATIVE_PTRS) != 0) {
4565 print_relative_method_list(structSizeAndFlags: ml.entsize, structCount: ml.count, p, info, indent,
4566 /*pointerBits=*/64);
4567 return;
4568 }
4569
4570 outs() << indent << "\t\t entsize " << ml.entsize << "\n";
4571 outs() << indent << "\t\t count " << ml.count << "\n";
4572
4573 offset += sizeof(struct method_list64_t);
4574 for (i = 0; i < ml.count; i++) {
4575 r = get_pointer_64(Address: p, offset, left, S, info);
4576 if (r == nullptr)
4577 return;
4578 memset(s: &m, c: '\0', n: sizeof(struct method64_t));
4579 if (left < sizeof(struct method64_t)) {
4580 memcpy(dest: &m, src: r, n: left);
4581 outs() << indent << " (method_t extends past the end of the section)\n";
4582 } else
4583 memcpy(dest: &m, src: r, n: sizeof(struct method64_t));
4584 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
4585 swapStruct(m);
4586
4587 outs() << indent << "\t\t name ";
4588 sym_name = get_symbol_64(sect_offset: offset + offsetof(struct method64_t, name), S,
4589 info, n_value, ReferenceValue: m.name);
4590 if (n_value != 0) {
4591 if (info->verbose && sym_name != nullptr)
4592 outs() << sym_name;
4593 else
4594 outs() << format(Fmt: "0x%" PRIx64, Vals: n_value);
4595 if (m.name != 0)
4596 outs() << " + " << format(Fmt: "0x%" PRIx64, Vals: m.name);
4597 } else
4598 outs() << format(Fmt: "0x%" PRIx64, Vals: m.name);
4599 name = get_pointer_64(Address: m.name + n_value, offset&: xoffset, left, S&: xS, info);
4600 if (name != nullptr)
4601 outs() << format(Fmt: " %.*s", Vals: left, Vals: name);
4602 outs() << "\n";
4603
4604 outs() << indent << "\t\t types ";
4605 sym_name = get_symbol_64(sect_offset: offset + offsetof(struct method64_t, types), S,
4606 info, n_value, ReferenceValue: m.types);
4607 if (n_value != 0) {
4608 if (info->verbose && sym_name != nullptr)
4609 outs() << sym_name;
4610 else
4611 outs() << format(Fmt: "0x%" PRIx64, Vals: n_value);
4612 if (m.types != 0)
4613 outs() << " + " << format(Fmt: "0x%" PRIx64, Vals: m.types);
4614 } else
4615 outs() << format(Fmt: "0x%" PRIx64, Vals: m.types);
4616 name = get_pointer_64(Address: m.types + n_value, offset&: xoffset, left, S&: xS, info);
4617 if (name != nullptr)
4618 outs() << format(Fmt: " %.*s", Vals: left, Vals: name);
4619 outs() << "\n";
4620
4621 outs() << indent << "\t\t imp ";
4622 name = get_symbol_64(sect_offset: offset + offsetof(struct method64_t, imp), S, info,
4623 n_value, ReferenceValue: m.imp);
4624 if (info->verbose && name == nullptr) {
4625 if (n_value != 0) {
4626 outs() << format(Fmt: "0x%" PRIx64, Vals: n_value) << " ";
4627 if (m.imp != 0)
4628 outs() << "+ " << format(Fmt: "0x%" PRIx64, Vals: m.imp) << " ";
4629 } else
4630 outs() << format(Fmt: "0x%" PRIx64, Vals: m.imp) << " ";
4631 }
4632 if (name != nullptr)
4633 outs() << name;
4634 outs() << "\n";
4635
4636 p += sizeof(struct method64_t);
4637 offset += sizeof(struct method64_t);
4638 }
4639}
4640
4641static void print_method_list32_t(uint64_t p, struct DisassembleInfo *info,
4642 const char *indent) {
4643 struct method_list32_t ml;
4644 struct method32_t m;
4645 const char *r, *name;
4646 uint32_t offset, xoffset, left, i;
4647 SectionRef S, xS;
4648
4649 r = get_pointer_32(Address: p, offset, left, S, info);
4650 if (r == nullptr)
4651 return;
4652 memset(s: &ml, c: '\0', n: sizeof(struct method_list32_t));
4653 if (left < sizeof(struct method_list32_t)) {
4654 memcpy(dest: &ml, src: r, n: left);
4655 outs() << " (method_list_t entends past the end of the section)\n";
4656 } else
4657 memcpy(dest: &ml, src: r, n: sizeof(struct method_list32_t));
4658 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
4659 swapStruct(ml);
4660 p += sizeof(struct method_list32_t);
4661
4662 if ((ml.entsize & ML_HAS_RELATIVE_PTRS) != 0) {
4663 print_relative_method_list(structSizeAndFlags: ml.entsize, structCount: ml.count, p, info, indent,
4664 /*pointerBits=*/32);
4665 return;
4666 }
4667
4668 outs() << indent << "\t\t entsize " << ml.entsize << "\n";
4669 outs() << indent << "\t\t count " << ml.count << "\n";
4670
4671 offset += sizeof(struct method_list32_t);
4672 for (i = 0; i < ml.count; i++) {
4673 r = get_pointer_32(Address: p, offset, left, S, info);
4674 if (r == nullptr)
4675 return;
4676 memset(s: &m, c: '\0', n: sizeof(struct method32_t));
4677 if (left < sizeof(struct method32_t)) {
4678 memcpy(dest: &ml, src: r, n: left);
4679 outs() << indent << " (method_t entends past the end of the section)\n";
4680 } else
4681 memcpy(dest: &m, src: r, n: sizeof(struct method32_t));
4682 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
4683 swapStruct(m);
4684
4685 outs() << indent << "\t\t name " << format(Fmt: "0x%" PRIx32, Vals: m.name);
4686 name = get_pointer_32(Address: m.name, offset&: xoffset, left, S&: xS, info);
4687 if (name != nullptr)
4688 outs() << format(Fmt: " %.*s", Vals: left, Vals: name);
4689 outs() << "\n";
4690
4691 outs() << indent << "\t\t types " << format(Fmt: "0x%" PRIx32, Vals: m.types);
4692 name = get_pointer_32(Address: m.types, offset&: xoffset, left, S&: xS, info);
4693 if (name != nullptr)
4694 outs() << format(Fmt: " %.*s", Vals: left, Vals: name);
4695 outs() << "\n";
4696
4697 outs() << indent << "\t\t imp " << format(Fmt: "0x%" PRIx32, Vals: m.imp);
4698 name = get_symbol_32(sect_offset: offset + offsetof(struct method32_t, imp), S, info,
4699 ReferenceValue: m.imp);
4700 if (name != nullptr)
4701 outs() << " " << name;
4702 outs() << "\n";
4703
4704 p += sizeof(struct method32_t);
4705 offset += sizeof(struct method32_t);
4706 }
4707}
4708
4709static bool print_method_list(uint32_t p, struct DisassembleInfo *info) {
4710 uint32_t offset, left, xleft;
4711 SectionRef S;
4712 struct objc_method_list_t method_list;
4713 struct objc_method_t method;
4714 const char *r, *methods, *name, *SymbolName;
4715 int32_t i;
4716
4717 r = get_pointer_32(Address: p, offset, left, S, info, objc_only: true);
4718 if (r == nullptr)
4719 return true;
4720
4721 outs() << "\n";
4722 if (left > sizeof(struct objc_method_list_t)) {
4723 memcpy(dest: &method_list, src: r, n: sizeof(struct objc_method_list_t));
4724 } else {
4725 outs() << "\t\t objc_method_list extends past end of the section\n";
4726 memset(s: &method_list, c: '\0', n: sizeof(struct objc_method_list_t));
4727 memcpy(dest: &method_list, src: r, n: left);
4728 }
4729 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
4730 swapStruct(method_list);
4731
4732 outs() << "\t\t obsolete "
4733 << format(Fmt: "0x%08" PRIx32, Vals: method_list.obsolete) << "\n";
4734 outs() << "\t\t method_count " << method_list.method_count << "\n";
4735
4736 methods = r + sizeof(struct objc_method_list_t);
4737 for (i = 0; i < method_list.method_count; i++) {
4738 if ((i + 1) * sizeof(struct objc_method_t) > left) {
4739 outs() << "\t\t remaining method's extend past the of the section\n";
4740 break;
4741 }
4742 memcpy(dest: &method, src: methods + i * sizeof(struct objc_method_t),
4743 n: sizeof(struct objc_method_t));
4744 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
4745 swapStruct(method);
4746
4747 outs() << "\t\t method_name "
4748 << format(Fmt: "0x%08" PRIx32, Vals: method.method_name);
4749 if (info->verbose) {
4750 name = get_pointer_32(Address: method.method_name, offset, left&: xleft, S, info, objc_only: true);
4751 if (name != nullptr)
4752 outs() << format(Fmt: " %.*s", Vals: xleft, Vals: name);
4753 else
4754 outs() << " (not in an __OBJC section)";
4755 }
4756 outs() << "\n";
4757
4758 outs() << "\t\t method_types "
4759 << format(Fmt: "0x%08" PRIx32, Vals: method.method_types);
4760 if (info->verbose) {
4761 name = get_pointer_32(Address: method.method_types, offset, left&: xleft, S, info, objc_only: true);
4762 if (name != nullptr)
4763 outs() << format(Fmt: " %.*s", Vals: xleft, Vals: name);
4764 else
4765 outs() << " (not in an __OBJC section)";
4766 }
4767 outs() << "\n";
4768
4769 outs() << "\t\t method_imp "
4770 << format(Fmt: "0x%08" PRIx32, Vals: method.method_imp) << " ";
4771 if (info->verbose) {
4772 SymbolName = GuessSymbolName(value: method.method_imp, AddrMap: info->AddrMap);
4773 if (SymbolName != nullptr)
4774 outs() << SymbolName;
4775 }
4776 outs() << "\n";
4777 }
4778 return false;
4779}
4780
4781static void print_protocol_list64_t(uint64_t p, struct DisassembleInfo *info) {
4782 struct protocol_list64_t pl;
4783 uint64_t q, n_value;
4784 struct protocol64_t pc;
4785 const char *r;
4786 uint32_t offset, xoffset, left, i;
4787 SectionRef S, xS;
4788 const char *name, *sym_name;
4789
4790 r = get_pointer_64(Address: p, offset, left, S, info);
4791 if (r == nullptr)
4792 return;
4793 memset(s: &pl, c: '\0', n: sizeof(struct protocol_list64_t));
4794 if (left < sizeof(struct protocol_list64_t)) {
4795 memcpy(dest: &pl, src: r, n: left);
4796 outs() << " (protocol_list_t entends past the end of the section)\n";
4797 } else
4798 memcpy(dest: &pl, src: r, n: sizeof(struct protocol_list64_t));
4799 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
4800 swapStruct(pl);
4801 outs() << " count " << pl.count << "\n";
4802
4803 p += sizeof(struct protocol_list64_t);
4804 offset += sizeof(struct protocol_list64_t);
4805 for (i = 0; i < pl.count; i++) {
4806 r = get_pointer_64(Address: p, offset, left, S, info);
4807 if (r == nullptr)
4808 return;
4809 q = 0;
4810 if (left < sizeof(uint64_t)) {
4811 memcpy(dest: &q, src: r, n: left);
4812 outs() << " (protocol_t * entends past the end of the section)\n";
4813 } else
4814 memcpy(dest: &q, src: r, n: sizeof(uint64_t));
4815 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
4816 sys::swapByteOrder(Value&: q);
4817
4818 outs() << "\t\t list[" << i << "] ";
4819 sym_name = get_symbol_64(sect_offset: offset, S, info, n_value, ReferenceValue: q);
4820 if (n_value != 0) {
4821 if (info->verbose && sym_name != nullptr)
4822 outs() << sym_name;
4823 else
4824 outs() << format(Fmt: "0x%" PRIx64, Vals: n_value);
4825 if (q != 0)
4826 outs() << " + " << format(Fmt: "0x%" PRIx64, Vals: q);
4827 } else
4828 outs() << format(Fmt: "0x%" PRIx64, Vals: q);
4829 outs() << " (struct protocol_t *)\n";
4830
4831 r = get_pointer_64(Address: q + n_value, offset, left, S, info);
4832 if (r == nullptr)
4833 return;
4834 memset(s: &pc, c: '\0', n: sizeof(struct protocol64_t));
4835 if (left < sizeof(struct protocol64_t)) {
4836 memcpy(dest: &pc, src: r, n: left);
4837 outs() << " (protocol_t entends past the end of the section)\n";
4838 } else
4839 memcpy(dest: &pc, src: r, n: sizeof(struct protocol64_t));
4840 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
4841 swapStruct(p&: pc);
4842
4843 outs() << "\t\t\t isa " << format(Fmt: "0x%" PRIx64, Vals: pc.isa) << "\n";
4844
4845 outs() << "\t\t\t name ";
4846 sym_name = get_symbol_64(sect_offset: offset + offsetof(struct protocol64_t, name), S,
4847 info, n_value, ReferenceValue: pc.name);
4848 if (n_value != 0) {
4849 if (info->verbose && sym_name != nullptr)
4850 outs() << sym_name;
4851 else
4852 outs() << format(Fmt: "0x%" PRIx64, Vals: n_value);
4853 if (pc.name != 0)
4854 outs() << " + " << format(Fmt: "0x%" PRIx64, Vals: pc.name);
4855 } else
4856 outs() << format(Fmt: "0x%" PRIx64, Vals: pc.name);
4857 name = get_pointer_64(Address: pc.name + n_value, offset&: xoffset, left, S&: xS, info);
4858 if (name != nullptr)
4859 outs() << format(Fmt: " %.*s", Vals: left, Vals: name);
4860 outs() << "\n";
4861
4862 outs() << "\t\t\tprotocols " << format(Fmt: "0x%" PRIx64, Vals: pc.protocols) << "\n";
4863
4864 outs() << "\t\t instanceMethods ";
4865 sym_name =
4866 get_symbol_64(sect_offset: offset + offsetof(struct protocol64_t, instanceMethods),
4867 S, info, n_value, ReferenceValue: pc.instanceMethods);
4868 if (n_value != 0) {
4869 if (info->verbose && sym_name != nullptr)
4870 outs() << sym_name;
4871 else
4872 outs() << format(Fmt: "0x%" PRIx64, Vals: n_value);
4873 if (pc.instanceMethods != 0)
4874 outs() << " + " << format(Fmt: "0x%" PRIx64, Vals: pc.instanceMethods);
4875 } else
4876 outs() << format(Fmt: "0x%" PRIx64, Vals: pc.instanceMethods);
4877 outs() << " (struct method_list_t *)\n";
4878 if (pc.instanceMethods + n_value != 0)
4879 print_method_list64_t(p: pc.instanceMethods + n_value, info, indent: "\t");
4880
4881 outs() << "\t\t classMethods ";
4882 sym_name =
4883 get_symbol_64(sect_offset: offset + offsetof(struct protocol64_t, classMethods), S,
4884 info, n_value, ReferenceValue: pc.classMethods);
4885 if (n_value != 0) {
4886 if (info->verbose && sym_name != nullptr)
4887 outs() << sym_name;
4888 else
4889 outs() << format(Fmt: "0x%" PRIx64, Vals: n_value);
4890 if (pc.classMethods != 0)
4891 outs() << " + " << format(Fmt: "0x%" PRIx64, Vals: pc.classMethods);
4892 } else
4893 outs() << format(Fmt: "0x%" PRIx64, Vals: pc.classMethods);
4894 outs() << " (struct method_list_t *)\n";
4895 if (pc.classMethods + n_value != 0)
4896 print_method_list64_t(p: pc.classMethods + n_value, info, indent: "\t");
4897
4898 outs() << "\t optionalInstanceMethods "
4899 << format(Fmt: "0x%" PRIx64, Vals: pc.optionalInstanceMethods) << "\n";
4900 outs() << "\t optionalClassMethods "
4901 << format(Fmt: "0x%" PRIx64, Vals: pc.optionalClassMethods) << "\n";
4902 outs() << "\t instanceProperties "
4903 << format(Fmt: "0x%" PRIx64, Vals: pc.instanceProperties) << "\n";
4904
4905 p += sizeof(uint64_t);
4906 offset += sizeof(uint64_t);
4907 }
4908}
4909
4910static void print_protocol_list32_t(uint32_t p, struct DisassembleInfo *info) {
4911 struct protocol_list32_t pl;
4912 uint32_t q;
4913 struct protocol32_t pc;
4914 const char *r;
4915 uint32_t offset, xoffset, left, i;
4916 SectionRef S, xS;
4917 const char *name;
4918
4919 r = get_pointer_32(Address: p, offset, left, S, info);
4920 if (r == nullptr)
4921 return;
4922 memset(s: &pl, c: '\0', n: sizeof(struct protocol_list32_t));
4923 if (left < sizeof(struct protocol_list32_t)) {
4924 memcpy(dest: &pl, src: r, n: left);
4925 outs() << " (protocol_list_t entends past the end of the section)\n";
4926 } else
4927 memcpy(dest: &pl, src: r, n: sizeof(struct protocol_list32_t));
4928 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
4929 swapStruct(pl);
4930 outs() << " count " << pl.count << "\n";
4931
4932 p += sizeof(struct protocol_list32_t);
4933 offset += sizeof(struct protocol_list32_t);
4934 for (i = 0; i < pl.count; i++) {
4935 r = get_pointer_32(Address: p, offset, left, S, info);
4936 if (r == nullptr)
4937 return;
4938 q = 0;
4939 if (left < sizeof(uint32_t)) {
4940 memcpy(dest: &q, src: r, n: left);
4941 outs() << " (protocol_t * entends past the end of the section)\n";
4942 } else
4943 memcpy(dest: &q, src: r, n: sizeof(uint32_t));
4944 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
4945 sys::swapByteOrder(Value&: q);
4946 outs() << "\t\t list[" << i << "] " << format(Fmt: "0x%" PRIx32, Vals: q)
4947 << " (struct protocol_t *)\n";
4948 r = get_pointer_32(Address: q, offset, left, S, info);
4949 if (r == nullptr)
4950 return;
4951 memset(s: &pc, c: '\0', n: sizeof(struct protocol32_t));
4952 if (left < sizeof(struct protocol32_t)) {
4953 memcpy(dest: &pc, src: r, n: left);
4954 outs() << " (protocol_t entends past the end of the section)\n";
4955 } else
4956 memcpy(dest: &pc, src: r, n: sizeof(struct protocol32_t));
4957 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
4958 swapStruct(p&: pc);
4959 outs() << "\t\t\t isa " << format(Fmt: "0x%" PRIx32, Vals: pc.isa) << "\n";
4960 outs() << "\t\t\t name " << format(Fmt: "0x%" PRIx32, Vals: pc.name);
4961 name = get_pointer_32(Address: pc.name, offset&: xoffset, left, S&: xS, info);
4962 if (name != nullptr)
4963 outs() << format(Fmt: " %.*s", Vals: left, Vals: name);
4964 outs() << "\n";
4965 outs() << "\t\t\tprotocols " << format(Fmt: "0x%" PRIx32, Vals: pc.protocols) << "\n";
4966 outs() << "\t\t instanceMethods "
4967 << format(Fmt: "0x%" PRIx32, Vals: pc.instanceMethods)
4968 << " (struct method_list_t *)\n";
4969 if (pc.instanceMethods != 0)
4970 print_method_list32_t(p: pc.instanceMethods, info, indent: "\t");
4971 outs() << "\t\t classMethods " << format(Fmt: "0x%" PRIx32, Vals: pc.classMethods)
4972 << " (struct method_list_t *)\n";
4973 if (pc.classMethods != 0)
4974 print_method_list32_t(p: pc.classMethods, info, indent: "\t");
4975 outs() << "\t optionalInstanceMethods "
4976 << format(Fmt: "0x%" PRIx32, Vals: pc.optionalInstanceMethods) << "\n";
4977 outs() << "\t optionalClassMethods "
4978 << format(Fmt: "0x%" PRIx32, Vals: pc.optionalClassMethods) << "\n";
4979 outs() << "\t instanceProperties "
4980 << format(Fmt: "0x%" PRIx32, Vals: pc.instanceProperties) << "\n";
4981 p += sizeof(uint32_t);
4982 offset += sizeof(uint32_t);
4983 }
4984}
4985
4986static void print_indent(uint32_t indent) {
4987 for (uint32_t i = 0; i < indent;) {
4988 if (indent - i >= 8) {
4989 outs() << "\t";
4990 i += 8;
4991 } else {
4992 for (uint32_t j = i; j < indent; j++)
4993 outs() << " ";
4994 return;
4995 }
4996 }
4997}
4998
4999static bool print_method_description_list(uint32_t p, uint32_t indent,
5000 struct DisassembleInfo *info) {
5001 uint32_t offset, left, xleft;
5002 SectionRef S;
5003 struct objc_method_description_list_t mdl;
5004 struct objc_method_description_t md;
5005 const char *r, *list, *name;
5006 int32_t i;
5007
5008 r = get_pointer_32(Address: p, offset, left, S, info, objc_only: true);
5009 if (r == nullptr)
5010 return true;
5011
5012 outs() << "\n";
5013 if (left > sizeof(struct objc_method_description_list_t)) {
5014 memcpy(dest: &mdl, src: r, n: sizeof(struct objc_method_description_list_t));
5015 } else {
5016 print_indent(indent);
5017 outs() << " objc_method_description_list extends past end of the section\n";
5018 memset(s: &mdl, c: '\0', n: sizeof(struct objc_method_description_list_t));
5019 memcpy(dest: &mdl, src: r, n: left);
5020 }
5021 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
5022 swapStruct(mdl);
5023
5024 print_indent(indent);
5025 outs() << " count " << mdl.count << "\n";
5026
5027 list = r + sizeof(struct objc_method_description_list_t);
5028 for (i = 0; i < mdl.count; i++) {
5029 if ((i + 1) * sizeof(struct objc_method_description_t) > left) {
5030 print_indent(indent);
5031 outs() << " remaining list entries extend past the of the section\n";
5032 break;
5033 }
5034 print_indent(indent);
5035 outs() << " list[" << i << "]\n";
5036 memcpy(dest: &md, src: list + i * sizeof(struct objc_method_description_t),
5037 n: sizeof(struct objc_method_description_t));
5038 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
5039 swapStruct(md);
5040
5041 print_indent(indent);
5042 outs() << " name " << format(Fmt: "0x%08" PRIx32, Vals: md.name);
5043 if (info->verbose) {
5044 name = get_pointer_32(Address: md.name, offset, left&: xleft, S, info, objc_only: true);
5045 if (name != nullptr)
5046 outs() << format(Fmt: " %.*s", Vals: xleft, Vals: name);
5047 else
5048 outs() << " (not in an __OBJC section)";
5049 }
5050 outs() << "\n";
5051
5052 print_indent(indent);
5053 outs() << " types " << format(Fmt: "0x%08" PRIx32, Vals: md.types);
5054 if (info->verbose) {
5055 name = get_pointer_32(Address: md.types, offset, left&: xleft, S, info, objc_only: true);
5056 if (name != nullptr)
5057 outs() << format(Fmt: " %.*s", Vals: xleft, Vals: name);
5058 else
5059 outs() << " (not in an __OBJC section)";
5060 }
5061 outs() << "\n";
5062 }
5063 return false;
5064}
5065
5066static bool print_protocol_list(uint32_t p, uint32_t indent,
5067 struct DisassembleInfo *info);
5068
5069static bool print_protocol(uint32_t p, uint32_t indent,
5070 struct DisassembleInfo *info) {
5071 uint32_t offset, left;
5072 SectionRef S;
5073 struct objc_protocol_t protocol;
5074 const char *r, *name;
5075
5076 r = get_pointer_32(Address: p, offset, left, S, info, objc_only: true);
5077 if (r == nullptr)
5078 return true;
5079
5080 outs() << "\n";
5081 if (left >= sizeof(struct objc_protocol_t)) {
5082 memcpy(dest: &protocol, src: r, n: sizeof(struct objc_protocol_t));
5083 } else {
5084 print_indent(indent);
5085 outs() << " Protocol extends past end of the section\n";
5086 memset(s: &protocol, c: '\0', n: sizeof(struct objc_protocol_t));
5087 memcpy(dest: &protocol, src: r, n: left);
5088 }
5089 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
5090 swapStruct(protocol);
5091
5092 print_indent(indent);
5093 outs() << " isa " << format(Fmt: "0x%08" PRIx32, Vals: protocol.isa)
5094 << "\n";
5095
5096 print_indent(indent);
5097 outs() << " protocol_name "
5098 << format(Fmt: "0x%08" PRIx32, Vals: protocol.protocol_name);
5099 if (info->verbose) {
5100 name = get_pointer_32(Address: protocol.protocol_name, offset, left, S, info, objc_only: true);
5101 if (name != nullptr)
5102 outs() << format(Fmt: " %.*s", Vals: left, Vals: name);
5103 else
5104 outs() << " (not in an __OBJC section)";
5105 }
5106 outs() << "\n";
5107
5108 print_indent(indent);
5109 outs() << " protocol_list "
5110 << format(Fmt: "0x%08" PRIx32, Vals: protocol.protocol_list);
5111 if (print_protocol_list(p: protocol.protocol_list, indent: indent + 4, info))
5112 outs() << " (not in an __OBJC section)\n";
5113
5114 print_indent(indent);
5115 outs() << " instance_methods "
5116 << format(Fmt: "0x%08" PRIx32, Vals: protocol.instance_methods);
5117 if (print_method_description_list(p: protocol.instance_methods, indent, info))
5118 outs() << " (not in an __OBJC section)\n";
5119
5120 print_indent(indent);
5121 outs() << " class_methods "
5122 << format(Fmt: "0x%08" PRIx32, Vals: protocol.class_methods);
5123 if (print_method_description_list(p: protocol.class_methods, indent, info))
5124 outs() << " (not in an __OBJC section)\n";
5125
5126 return false;
5127}
5128
5129static bool print_protocol_list(uint32_t p, uint32_t indent,
5130 struct DisassembleInfo *info) {
5131 uint32_t offset, left, l;
5132 SectionRef S;
5133 struct objc_protocol_list_t protocol_list;
5134 const char *r, *list;
5135 int32_t i;
5136
5137 r = get_pointer_32(Address: p, offset, left, S, info, objc_only: true);
5138 if (r == nullptr)
5139 return true;
5140
5141 outs() << "\n";
5142 if (left > sizeof(struct objc_protocol_list_t)) {
5143 memcpy(dest: &protocol_list, src: r, n: sizeof(struct objc_protocol_list_t));
5144 } else {
5145 outs() << "\t\t objc_protocol_list_t extends past end of the section\n";
5146 memset(s: &protocol_list, c: '\0', n: sizeof(struct objc_protocol_list_t));
5147 memcpy(dest: &protocol_list, src: r, n: left);
5148 }
5149 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
5150 swapStruct(protocol_list);
5151
5152 print_indent(indent);
5153 outs() << " next " << format(Fmt: "0x%08" PRIx32, Vals: protocol_list.next)
5154 << "\n";
5155 print_indent(indent);
5156 outs() << " count " << protocol_list.count << "\n";
5157
5158 list = r + sizeof(struct objc_protocol_list_t);
5159 for (i = 0; i < protocol_list.count; i++) {
5160 if ((i + 1) * sizeof(uint32_t) > left) {
5161 outs() << "\t\t remaining list entries extend past the of the section\n";
5162 break;
5163 }
5164 memcpy(dest: &l, src: list + i * sizeof(uint32_t), n: sizeof(uint32_t));
5165 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
5166 sys::swapByteOrder(Value&: l);
5167
5168 print_indent(indent);
5169 outs() << " list[" << i << "] " << format(Fmt: "0x%08" PRIx32, Vals: l);
5170 if (print_protocol(p: l, indent, info))
5171 outs() << "(not in an __OBJC section)\n";
5172 }
5173 return false;
5174}
5175
5176static void print_ivar_list64_t(uint64_t p, struct DisassembleInfo *info) {
5177 struct ivar_list64_t il;
5178 struct ivar64_t i;
5179 const char *r;
5180 uint32_t offset, xoffset, left, j;
5181 SectionRef S, xS;
5182 const char *name, *sym_name, *ivar_offset_p;
5183 uint64_t ivar_offset, n_value;
5184
5185 r = get_pointer_64(Address: p, offset, left, S, info);
5186 if (r == nullptr)
5187 return;
5188 memset(s: &il, c: '\0', n: sizeof(struct ivar_list64_t));
5189 if (left < sizeof(struct ivar_list64_t)) {
5190 memcpy(dest: &il, src: r, n: left);
5191 outs() << " (ivar_list_t entends past the end of the section)\n";
5192 } else
5193 memcpy(dest: &il, src: r, n: sizeof(struct ivar_list64_t));
5194 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
5195 swapStruct(il);
5196 outs() << " entsize " << il.entsize << "\n";
5197 outs() << " count " << il.count << "\n";
5198
5199 p += sizeof(struct ivar_list64_t);
5200 offset += sizeof(struct ivar_list64_t);
5201 for (j = 0; j < il.count; j++) {
5202 r = get_pointer_64(Address: p, offset, left, S, info);
5203 if (r == nullptr)
5204 return;
5205 memset(s: &i, c: '\0', n: sizeof(struct ivar64_t));
5206 if (left < sizeof(struct ivar64_t)) {
5207 memcpy(dest: &i, src: r, n: left);
5208 outs() << " (ivar_t entends past the end of the section)\n";
5209 } else
5210 memcpy(dest: &i, src: r, n: sizeof(struct ivar64_t));
5211 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
5212 swapStruct(i);
5213
5214 outs() << "\t\t\t offset ";
5215 sym_name = get_symbol_64(sect_offset: offset + offsetof(struct ivar64_t, offset), S,
5216 info, n_value, ReferenceValue: i.offset);
5217 if (n_value != 0) {
5218 if (info->verbose && sym_name != nullptr)
5219 outs() << sym_name;
5220 else
5221 outs() << format(Fmt: "0x%" PRIx64, Vals: n_value);
5222 if (i.offset != 0)
5223 outs() << " + " << format(Fmt: "0x%" PRIx64, Vals: i.offset);
5224 } else
5225 outs() << format(Fmt: "0x%" PRIx64, Vals: i.offset);
5226 ivar_offset_p = get_pointer_64(Address: i.offset + n_value, offset&: xoffset, left, S&: xS, info);
5227 if (ivar_offset_p != nullptr && left >= sizeof(*ivar_offset_p)) {
5228 memcpy(dest: &ivar_offset, src: ivar_offset_p, n: sizeof(ivar_offset));
5229 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
5230 sys::swapByteOrder(Value&: ivar_offset);
5231 outs() << " " << ivar_offset << "\n";
5232 } else
5233 outs() << "\n";
5234
5235 outs() << "\t\t\t name ";
5236 sym_name = get_symbol_64(sect_offset: offset + offsetof(struct ivar64_t, name), S, info,
5237 n_value, ReferenceValue: i.name);
5238 if (n_value != 0) {
5239 if (info->verbose && sym_name != nullptr)
5240 outs() << sym_name;
5241 else
5242 outs() << format(Fmt: "0x%" PRIx64, Vals: n_value);
5243 if (i.name != 0)
5244 outs() << " + " << format(Fmt: "0x%" PRIx64, Vals: i.name);
5245 } else
5246 outs() << format(Fmt: "0x%" PRIx64, Vals: i.name);
5247 name = get_pointer_64(Address: i.name + n_value, offset&: xoffset, left, S&: xS, info);
5248 if (name != nullptr)
5249 outs() << format(Fmt: " %.*s", Vals: left, Vals: name);
5250 outs() << "\n";
5251
5252 outs() << "\t\t\t type ";
5253 sym_name = get_symbol_64(sect_offset: offset + offsetof(struct ivar64_t, type), S, info,
5254 n_value, ReferenceValue: i.name);
5255 name = get_pointer_64(Address: i.type + n_value, offset&: xoffset, left, S&: xS, info);
5256 if (n_value != 0) {
5257 if (info->verbose && sym_name != nullptr)
5258 outs() << sym_name;
5259 else
5260 outs() << format(Fmt: "0x%" PRIx64, Vals: n_value);
5261 if (i.type != 0)
5262 outs() << " + " << format(Fmt: "0x%" PRIx64, Vals: i.type);
5263 } else
5264 outs() << format(Fmt: "0x%" PRIx64, Vals: i.type);
5265 if (name != nullptr)
5266 outs() << format(Fmt: " %.*s", Vals: left, Vals: name);
5267 outs() << "\n";
5268
5269 outs() << "\t\t\talignment " << i.alignment << "\n";
5270 outs() << "\t\t\t size " << i.size << "\n";
5271
5272 p += sizeof(struct ivar64_t);
5273 offset += sizeof(struct ivar64_t);
5274 }
5275}
5276
5277static void print_ivar_list32_t(uint32_t p, struct DisassembleInfo *info) {
5278 struct ivar_list32_t il;
5279 struct ivar32_t i;
5280 const char *r;
5281 uint32_t offset, xoffset, left, j;
5282 SectionRef S, xS;
5283 const char *name, *ivar_offset_p;
5284 uint32_t ivar_offset;
5285
5286 r = get_pointer_32(Address: p, offset, left, S, info);
5287 if (r == nullptr)
5288 return;
5289 memset(s: &il, c: '\0', n: sizeof(struct ivar_list32_t));
5290 if (left < sizeof(struct ivar_list32_t)) {
5291 memcpy(dest: &il, src: r, n: left);
5292 outs() << " (ivar_list_t entends past the end of the section)\n";
5293 } else
5294 memcpy(dest: &il, src: r, n: sizeof(struct ivar_list32_t));
5295 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
5296 swapStruct(il);
5297 outs() << " entsize " << il.entsize << "\n";
5298 outs() << " count " << il.count << "\n";
5299
5300 p += sizeof(struct ivar_list32_t);
5301 offset += sizeof(struct ivar_list32_t);
5302 for (j = 0; j < il.count; j++) {
5303 r = get_pointer_32(Address: p, offset, left, S, info);
5304 if (r == nullptr)
5305 return;
5306 memset(s: &i, c: '\0', n: sizeof(struct ivar32_t));
5307 if (left < sizeof(struct ivar32_t)) {
5308 memcpy(dest: &i, src: r, n: left);
5309 outs() << " (ivar_t entends past the end of the section)\n";
5310 } else
5311 memcpy(dest: &i, src: r, n: sizeof(struct ivar32_t));
5312 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
5313 swapStruct(i);
5314
5315 outs() << "\t\t\t offset " << format(Fmt: "0x%" PRIx32, Vals: i.offset);
5316 ivar_offset_p = get_pointer_32(Address: i.offset, offset&: xoffset, left, S&: xS, info);
5317 if (ivar_offset_p != nullptr && left >= sizeof(*ivar_offset_p)) {
5318 memcpy(dest: &ivar_offset, src: ivar_offset_p, n: sizeof(ivar_offset));
5319 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
5320 sys::swapByteOrder(Value&: ivar_offset);
5321 outs() << " " << ivar_offset << "\n";
5322 } else
5323 outs() << "\n";
5324
5325 outs() << "\t\t\t name " << format(Fmt: "0x%" PRIx32, Vals: i.name);
5326 name = get_pointer_32(Address: i.name, offset&: xoffset, left, S&: xS, info);
5327 if (name != nullptr)
5328 outs() << format(Fmt: " %.*s", Vals: left, Vals: name);
5329 outs() << "\n";
5330
5331 outs() << "\t\t\t type " << format(Fmt: "0x%" PRIx32, Vals: i.type);
5332 name = get_pointer_32(Address: i.type, offset&: xoffset, left, S&: xS, info);
5333 if (name != nullptr)
5334 outs() << format(Fmt: " %.*s", Vals: left, Vals: name);
5335 outs() << "\n";
5336
5337 outs() << "\t\t\talignment " << i.alignment << "\n";
5338 outs() << "\t\t\t size " << i.size << "\n";
5339
5340 p += sizeof(struct ivar32_t);
5341 offset += sizeof(struct ivar32_t);
5342 }
5343}
5344
5345static void print_objc_property_list64(uint64_t p,
5346 struct DisassembleInfo *info) {
5347 struct objc_property_list64 opl;
5348 struct objc_property64 op;
5349 const char *r;
5350 uint32_t offset, xoffset, left, j;
5351 SectionRef S, xS;
5352 const char *name, *sym_name;
5353 uint64_t n_value;
5354
5355 r = get_pointer_64(Address: p, offset, left, S, info);
5356 if (r == nullptr)
5357 return;
5358 memset(s: &opl, c: '\0', n: sizeof(struct objc_property_list64));
5359 if (left < sizeof(struct objc_property_list64)) {
5360 memcpy(dest: &opl, src: r, n: left);
5361 outs() << " (objc_property_list entends past the end of the section)\n";
5362 } else
5363 memcpy(dest: &opl, src: r, n: sizeof(struct objc_property_list64));
5364 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
5365 swapStruct(pl&: opl);
5366 outs() << " entsize " << opl.entsize << "\n";
5367 outs() << " count " << opl.count << "\n";
5368
5369 p += sizeof(struct objc_property_list64);
5370 offset += sizeof(struct objc_property_list64);
5371 for (j = 0; j < opl.count; j++) {
5372 r = get_pointer_64(Address: p, offset, left, S, info);
5373 if (r == nullptr)
5374 return;
5375 memset(s: &op, c: '\0', n: sizeof(struct objc_property64));
5376 if (left < sizeof(struct objc_property64)) {
5377 memcpy(dest: &op, src: r, n: left);
5378 outs() << " (objc_property entends past the end of the section)\n";
5379 } else
5380 memcpy(dest: &op, src: r, n: sizeof(struct objc_property64));
5381 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
5382 swapStruct(op);
5383
5384 outs() << "\t\t\t name ";
5385 sym_name = get_symbol_64(sect_offset: offset + offsetof(struct objc_property64, name), S,
5386 info, n_value, ReferenceValue: op.name);
5387 if (n_value != 0) {
5388 if (info->verbose && sym_name != nullptr)
5389 outs() << sym_name;
5390 else
5391 outs() << format(Fmt: "0x%" PRIx64, Vals: n_value);
5392 if (op.name != 0)
5393 outs() << " + " << format(Fmt: "0x%" PRIx64, Vals: op.name);
5394 } else
5395 outs() << format(Fmt: "0x%" PRIx64, Vals: op.name);
5396 name = get_pointer_64(Address: op.name + n_value, offset&: xoffset, left, S&: xS, info);
5397 if (name != nullptr)
5398 outs() << format(Fmt: " %.*s", Vals: left, Vals: name);
5399 outs() << "\n";
5400
5401 outs() << "\t\t\tattributes ";
5402 sym_name =
5403 get_symbol_64(sect_offset: offset + offsetof(struct objc_property64, attributes), S,
5404 info, n_value, ReferenceValue: op.attributes);
5405 if (n_value != 0) {
5406 if (info->verbose && sym_name != nullptr)
5407 outs() << sym_name;
5408 else
5409 outs() << format(Fmt: "0x%" PRIx64, Vals: n_value);
5410 if (op.attributes != 0)
5411 outs() << " + " << format(Fmt: "0x%" PRIx64, Vals: op.attributes);
5412 } else
5413 outs() << format(Fmt: "0x%" PRIx64, Vals: op.attributes);
5414 name = get_pointer_64(Address: op.attributes + n_value, offset&: xoffset, left, S&: xS, info);
5415 if (name != nullptr)
5416 outs() << format(Fmt: " %.*s", Vals: left, Vals: name);
5417 outs() << "\n";
5418
5419 p += sizeof(struct objc_property64);
5420 offset += sizeof(struct objc_property64);
5421 }
5422}
5423
5424static void print_objc_property_list32(uint32_t p,
5425 struct DisassembleInfo *info) {
5426 struct objc_property_list32 opl;
5427 struct objc_property32 op;
5428 const char *r;
5429 uint32_t offset, xoffset, left, j;
5430 SectionRef S, xS;
5431 const char *name;
5432
5433 r = get_pointer_32(Address: p, offset, left, S, info);
5434 if (r == nullptr)
5435 return;
5436 memset(s: &opl, c: '\0', n: sizeof(struct objc_property_list32));
5437 if (left < sizeof(struct objc_property_list32)) {
5438 memcpy(dest: &opl, src: r, n: left);
5439 outs() << " (objc_property_list entends past the end of the section)\n";
5440 } else
5441 memcpy(dest: &opl, src: r, n: sizeof(struct objc_property_list32));
5442 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
5443 swapStruct(pl&: opl);
5444 outs() << " entsize " << opl.entsize << "\n";
5445 outs() << " count " << opl.count << "\n";
5446
5447 p += sizeof(struct objc_property_list32);
5448 offset += sizeof(struct objc_property_list32);
5449 for (j = 0; j < opl.count; j++) {
5450 r = get_pointer_32(Address: p, offset, left, S, info);
5451 if (r == nullptr)
5452 return;
5453 memset(s: &op, c: '\0', n: sizeof(struct objc_property32));
5454 if (left < sizeof(struct objc_property32)) {
5455 memcpy(dest: &op, src: r, n: left);
5456 outs() << " (objc_property entends past the end of the section)\n";
5457 } else
5458 memcpy(dest: &op, src: r, n: sizeof(struct objc_property32));
5459 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
5460 swapStruct(op);
5461
5462 outs() << "\t\t\t name " << format(Fmt: "0x%" PRIx32, Vals: op.name);
5463 name = get_pointer_32(Address: op.name, offset&: xoffset, left, S&: xS, info);
5464 if (name != nullptr)
5465 outs() << format(Fmt: " %.*s", Vals: left, Vals: name);
5466 outs() << "\n";
5467
5468 outs() << "\t\t\tattributes " << format(Fmt: "0x%" PRIx32, Vals: op.attributes);
5469 name = get_pointer_32(Address: op.attributes, offset&: xoffset, left, S&: xS, info);
5470 if (name != nullptr)
5471 outs() << format(Fmt: " %.*s", Vals: left, Vals: name);
5472 outs() << "\n";
5473
5474 p += sizeof(struct objc_property32);
5475 offset += sizeof(struct objc_property32);
5476 }
5477}
5478
5479static bool print_class_ro64_t(uint64_t p, struct DisassembleInfo *info,
5480 bool &is_meta_class) {
5481 struct class_ro64_t cro;
5482 const char *r;
5483 uint32_t offset, xoffset, left;
5484 SectionRef S, xS;
5485 const char *name, *sym_name;
5486 uint64_t n_value;
5487
5488 r = get_pointer_64(Address: p, offset, left, S, info);
5489 if (r == nullptr || left < sizeof(struct class_ro64_t))
5490 return false;
5491 memcpy(dest: &cro, src: r, n: sizeof(struct class_ro64_t));
5492 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
5493 swapStruct(cro);
5494 outs() << " flags " << format(Fmt: "0x%" PRIx32, Vals: cro.flags);
5495 if (cro.flags & RO_META)
5496 outs() << " RO_META";
5497 if (cro.flags & RO_ROOT)
5498 outs() << " RO_ROOT";
5499 if (cro.flags & RO_HAS_CXX_STRUCTORS)
5500 outs() << " RO_HAS_CXX_STRUCTORS";
5501 outs() << "\n";
5502 outs() << " instanceStart " << cro.instanceStart << "\n";
5503 outs() << " instanceSize " << cro.instanceSize << "\n";
5504 outs() << " reserved " << format(Fmt: "0x%" PRIx32, Vals: cro.reserved)
5505 << "\n";
5506 outs() << " ivarLayout " << format(Fmt: "0x%" PRIx64, Vals: cro.ivarLayout)
5507 << "\n";
5508 print_layout_map64(p: cro.ivarLayout, info);
5509
5510 outs() << " name ";
5511 sym_name = get_symbol_64(sect_offset: offset + offsetof(struct class_ro64_t, name), S,
5512 info, n_value, ReferenceValue: cro.name);
5513 if (n_value != 0) {
5514 if (info->verbose && sym_name != nullptr)
5515 outs() << sym_name;
5516 else
5517 outs() << format(Fmt: "0x%" PRIx64, Vals: n_value);
5518 if (cro.name != 0)
5519 outs() << " + " << format(Fmt: "0x%" PRIx64, Vals: cro.name);
5520 } else
5521 outs() << format(Fmt: "0x%" PRIx64, Vals: cro.name);
5522 name = get_pointer_64(Address: cro.name + n_value, offset&: xoffset, left, S&: xS, info);
5523 if (name != nullptr)
5524 outs() << format(Fmt: " %.*s", Vals: left, Vals: name);
5525 outs() << "\n";
5526
5527 outs() << " baseMethods ";
5528 sym_name = get_symbol_64(sect_offset: offset + offsetof(struct class_ro64_t, baseMethods),
5529 S, info, n_value, ReferenceValue: cro.baseMethods);
5530 if (n_value != 0) {
5531 if (info->verbose && sym_name != nullptr)
5532 outs() << sym_name;
5533 else
5534 outs() << format(Fmt: "0x%" PRIx64, Vals: n_value);
5535 if (cro.baseMethods != 0)
5536 outs() << " + " << format(Fmt: "0x%" PRIx64, Vals: cro.baseMethods);
5537 } else
5538 outs() << format(Fmt: "0x%" PRIx64, Vals: cro.baseMethods);
5539 outs() << " (struct method_list_t *)\n";
5540 if (cro.baseMethods + n_value != 0)
5541 print_method_list64_t(p: cro.baseMethods + n_value, info, indent: "");
5542
5543 outs() << " baseProtocols ";
5544 sym_name =
5545 get_symbol_64(sect_offset: offset + offsetof(struct class_ro64_t, baseProtocols), S,
5546 info, n_value, ReferenceValue: cro.baseProtocols);
5547 if (n_value != 0) {
5548 if (info->verbose && sym_name != nullptr)
5549 outs() << sym_name;
5550 else
5551 outs() << format(Fmt: "0x%" PRIx64, Vals: n_value);
5552 if (cro.baseProtocols != 0)
5553 outs() << " + " << format(Fmt: "0x%" PRIx64, Vals: cro.baseProtocols);
5554 } else
5555 outs() << format(Fmt: "0x%" PRIx64, Vals: cro.baseProtocols);
5556 outs() << "\n";
5557 if (cro.baseProtocols + n_value != 0)
5558 print_protocol_list64_t(p: cro.baseProtocols + n_value, info);
5559
5560 outs() << " ivars ";
5561 sym_name = get_symbol_64(sect_offset: offset + offsetof(struct class_ro64_t, ivars), S,
5562 info, n_value, ReferenceValue: cro.ivars);
5563 if (n_value != 0) {
5564 if (info->verbose && sym_name != nullptr)
5565 outs() << sym_name;
5566 else
5567 outs() << format(Fmt: "0x%" PRIx64, Vals: n_value);
5568 if (cro.ivars != 0)
5569 outs() << " + " << format(Fmt: "0x%" PRIx64, Vals: cro.ivars);
5570 } else
5571 outs() << format(Fmt: "0x%" PRIx64, Vals: cro.ivars);
5572 outs() << "\n";
5573 if (cro.ivars + n_value != 0)
5574 print_ivar_list64_t(p: cro.ivars + n_value, info);
5575
5576 outs() << " weakIvarLayout ";
5577 sym_name =
5578 get_symbol_64(sect_offset: offset + offsetof(struct class_ro64_t, weakIvarLayout), S,
5579 info, n_value, ReferenceValue: cro.weakIvarLayout);
5580 if (n_value != 0) {
5581 if (info->verbose && sym_name != nullptr)
5582 outs() << sym_name;
5583 else
5584 outs() << format(Fmt: "0x%" PRIx64, Vals: n_value);
5585 if (cro.weakIvarLayout != 0)
5586 outs() << " + " << format(Fmt: "0x%" PRIx64, Vals: cro.weakIvarLayout);
5587 } else
5588 outs() << format(Fmt: "0x%" PRIx64, Vals: cro.weakIvarLayout);
5589 outs() << "\n";
5590 print_layout_map64(p: cro.weakIvarLayout + n_value, info);
5591
5592 outs() << " baseProperties ";
5593 sym_name =
5594 get_symbol_64(sect_offset: offset + offsetof(struct class_ro64_t, baseProperties), S,
5595 info, n_value, ReferenceValue: cro.baseProperties);
5596 if (n_value != 0) {
5597 if (info->verbose && sym_name != nullptr)
5598 outs() << sym_name;
5599 else
5600 outs() << format(Fmt: "0x%" PRIx64, Vals: n_value);
5601 if (cro.baseProperties != 0)
5602 outs() << " + " << format(Fmt: "0x%" PRIx64, Vals: cro.baseProperties);
5603 } else
5604 outs() << format(Fmt: "0x%" PRIx64, Vals: cro.baseProperties);
5605 outs() << "\n";
5606 if (cro.baseProperties + n_value != 0)
5607 print_objc_property_list64(p: cro.baseProperties + n_value, info);
5608
5609 is_meta_class = (cro.flags & RO_META) != 0;
5610 return true;
5611}
5612
5613static bool print_class_ro32_t(uint32_t p, struct DisassembleInfo *info,
5614 bool &is_meta_class) {
5615 struct class_ro32_t cro;
5616 const char *r;
5617 uint32_t offset, xoffset, left;
5618 SectionRef S, xS;
5619 const char *name;
5620
5621 r = get_pointer_32(Address: p, offset, left, S, info);
5622 if (r == nullptr)
5623 return false;
5624 memset(s: &cro, c: '\0', n: sizeof(struct class_ro32_t));
5625 if (left < sizeof(struct class_ro32_t)) {
5626 memcpy(dest: &cro, src: r, n: left);
5627 outs() << " (class_ro_t entends past the end of the section)\n";
5628 } else
5629 memcpy(dest: &cro, src: r, n: sizeof(struct class_ro32_t));
5630 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
5631 swapStruct(cro);
5632 outs() << " flags " << format(Fmt: "0x%" PRIx32, Vals: cro.flags);
5633 if (cro.flags & RO_META)
5634 outs() << " RO_META";
5635 if (cro.flags & RO_ROOT)
5636 outs() << " RO_ROOT";
5637 if (cro.flags & RO_HAS_CXX_STRUCTORS)
5638 outs() << " RO_HAS_CXX_STRUCTORS";
5639 outs() << "\n";
5640 outs() << " instanceStart " << cro.instanceStart << "\n";
5641 outs() << " instanceSize " << cro.instanceSize << "\n";
5642 outs() << " ivarLayout " << format(Fmt: "0x%" PRIx32, Vals: cro.ivarLayout)
5643 << "\n";
5644 print_layout_map32(p: cro.ivarLayout, info);
5645
5646 outs() << " name " << format(Fmt: "0x%" PRIx32, Vals: cro.name);
5647 name = get_pointer_32(Address: cro.name, offset&: xoffset, left, S&: xS, info);
5648 if (name != nullptr)
5649 outs() << format(Fmt: " %.*s", Vals: left, Vals: name);
5650 outs() << "\n";
5651
5652 outs() << " baseMethods "
5653 << format(Fmt: "0x%" PRIx32, Vals: cro.baseMethods)
5654 << " (struct method_list_t *)\n";
5655 if (cro.baseMethods != 0)
5656 print_method_list32_t(p: cro.baseMethods, info, indent: "");
5657
5658 outs() << " baseProtocols "
5659 << format(Fmt: "0x%" PRIx32, Vals: cro.baseProtocols) << "\n";
5660 if (cro.baseProtocols != 0)
5661 print_protocol_list32_t(p: cro.baseProtocols, info);
5662 outs() << " ivars " << format(Fmt: "0x%" PRIx32, Vals: cro.ivars)
5663 << "\n";
5664 if (cro.ivars != 0)
5665 print_ivar_list32_t(p: cro.ivars, info);
5666 outs() << " weakIvarLayout "
5667 << format(Fmt: "0x%" PRIx32, Vals: cro.weakIvarLayout) << "\n";
5668 print_layout_map32(p: cro.weakIvarLayout, info);
5669 outs() << " baseProperties "
5670 << format(Fmt: "0x%" PRIx32, Vals: cro.baseProperties) << "\n";
5671 if (cro.baseProperties != 0)
5672 print_objc_property_list32(p: cro.baseProperties, info);
5673 is_meta_class = (cro.flags & RO_META) != 0;
5674 return true;
5675}
5676
5677static void print_class64_t(uint64_t p, struct DisassembleInfo *info) {
5678 struct class64_t c;
5679 const char *r;
5680 uint32_t offset, left;
5681 SectionRef S;
5682 const char *name;
5683 uint64_t isa_n_value, n_value;
5684
5685 r = get_pointer_64(Address: p, offset, left, S, info);
5686 if (r == nullptr || left < sizeof(struct class64_t))
5687 return;
5688 memcpy(dest: &c, src: r, n: sizeof(struct class64_t));
5689 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
5690 swapStruct(c);
5691
5692 outs() << " isa " << format(Fmt: "0x%" PRIx64, Vals: c.isa);
5693 name = get_symbol_64(sect_offset: offset + offsetof(struct class64_t, isa), S, info,
5694 n_value&: isa_n_value, ReferenceValue: c.isa);
5695 if (name != nullptr)
5696 outs() << " " << name;
5697 outs() << "\n";
5698
5699 outs() << " superclass " << format(Fmt: "0x%" PRIx64, Vals: c.superclass);
5700 name = get_symbol_64(sect_offset: offset + offsetof(struct class64_t, superclass), S, info,
5701 n_value, ReferenceValue: c.superclass);
5702 if (name != nullptr)
5703 outs() << " " << name;
5704 else {
5705 name = get_dyld_bind_info_symbolname(ReferenceValue: S.getAddress() +
5706 offset + offsetof(struct class64_t, superclass), info);
5707 if (name != nullptr)
5708 outs() << " " << name;
5709 }
5710 outs() << "\n";
5711
5712 outs() << " cache " << format(Fmt: "0x%" PRIx64, Vals: c.cache);
5713 name = get_symbol_64(sect_offset: offset + offsetof(struct class64_t, cache), S, info,
5714 n_value, ReferenceValue: c.cache);
5715 if (name != nullptr)
5716 outs() << " " << name;
5717 outs() << "\n";
5718
5719 outs() << " vtable " << format(Fmt: "0x%" PRIx64, Vals: c.vtable);
5720 name = get_symbol_64(sect_offset: offset + offsetof(struct class64_t, vtable), S, info,
5721 n_value, ReferenceValue: c.vtable);
5722 if (name != nullptr)
5723 outs() << " " << name;
5724 outs() << "\n";
5725
5726 name = get_symbol_64(sect_offset: offset + offsetof(struct class64_t, data), S, info,
5727 n_value, ReferenceValue: c.data);
5728 outs() << " data ";
5729 if (n_value != 0) {
5730 if (info->verbose && name != nullptr)
5731 outs() << name;
5732 else
5733 outs() << format(Fmt: "0x%" PRIx64, Vals: n_value);
5734 if (c.data != 0)
5735 outs() << " + " << format(Fmt: "0x%" PRIx64, Vals: c.data);
5736 } else
5737 outs() << format(Fmt: "0x%" PRIx64, Vals: c.data);
5738 outs() << " (struct class_ro_t *)";
5739
5740 // This is a Swift class if some of the low bits of the pointer are set.
5741 if ((c.data + n_value) & 0x7)
5742 outs() << " Swift class";
5743 outs() << "\n";
5744 bool is_meta_class;
5745 if (!print_class_ro64_t(p: (c.data + n_value) & ~0x7, info, is_meta_class))
5746 return;
5747
5748 if (!is_meta_class &&
5749 c.isa + isa_n_value != p &&
5750 c.isa + isa_n_value != 0 &&
5751 info->depth < 100) {
5752 info->depth++;
5753 outs() << "Meta Class\n";
5754 print_class64_t(p: c.isa + isa_n_value, info);
5755 }
5756}
5757
5758static void print_class32_t(uint32_t p, struct DisassembleInfo *info) {
5759 struct class32_t c;
5760 const char *r;
5761 uint32_t offset, left;
5762 SectionRef S;
5763 const char *name;
5764
5765 r = get_pointer_32(Address: p, offset, left, S, info);
5766 if (r == nullptr)
5767 return;
5768 memset(s: &c, c: '\0', n: sizeof(struct class32_t));
5769 if (left < sizeof(struct class32_t)) {
5770 memcpy(dest: &c, src: r, n: left);
5771 outs() << " (class_t entends past the end of the section)\n";
5772 } else
5773 memcpy(dest: &c, src: r, n: sizeof(struct class32_t));
5774 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
5775 swapStruct(c);
5776
5777 outs() << " isa " << format(Fmt: "0x%" PRIx32, Vals: c.isa);
5778 name =
5779 get_symbol_32(sect_offset: offset + offsetof(struct class32_t, isa), S, info, ReferenceValue: c.isa);
5780 if (name != nullptr)
5781 outs() << " " << name;
5782 outs() << "\n";
5783
5784 outs() << " superclass " << format(Fmt: "0x%" PRIx32, Vals: c.superclass);
5785 name = get_symbol_32(sect_offset: offset + offsetof(struct class32_t, superclass), S, info,
5786 ReferenceValue: c.superclass);
5787 if (name != nullptr)
5788 outs() << " " << name;
5789 outs() << "\n";
5790
5791 outs() << " cache " << format(Fmt: "0x%" PRIx32, Vals: c.cache);
5792 name = get_symbol_32(sect_offset: offset + offsetof(struct class32_t, cache), S, info,
5793 ReferenceValue: c.cache);
5794 if (name != nullptr)
5795 outs() << " " << name;
5796 outs() << "\n";
5797
5798 outs() << " vtable " << format(Fmt: "0x%" PRIx32, Vals: c.vtable);
5799 name = get_symbol_32(sect_offset: offset + offsetof(struct class32_t, vtable), S, info,
5800 ReferenceValue: c.vtable);
5801 if (name != nullptr)
5802 outs() << " " << name;
5803 outs() << "\n";
5804
5805 name =
5806 get_symbol_32(sect_offset: offset + offsetof(struct class32_t, data), S, info, ReferenceValue: c.data);
5807 outs() << " data " << format(Fmt: "0x%" PRIx32, Vals: c.data)
5808 << " (struct class_ro_t *)";
5809
5810 // This is a Swift class if some of the low bits of the pointer are set.
5811 if (c.data & 0x3)
5812 outs() << " Swift class";
5813 outs() << "\n";
5814 bool is_meta_class;
5815 if (!print_class_ro32_t(p: c.data & ~0x3, info, is_meta_class))
5816 return;
5817
5818 if (!is_meta_class) {
5819 outs() << "Meta Class\n";
5820 print_class32_t(p: c.isa, info);
5821 }
5822}
5823
5824static void print_objc_class_t(struct objc_class_t *objc_class,
5825 struct DisassembleInfo *info) {
5826 uint32_t offset, left, xleft;
5827 const char *name, *p, *ivar_list;
5828 SectionRef S;
5829 int32_t i;
5830 struct objc_ivar_list_t objc_ivar_list;
5831 struct objc_ivar_t ivar;
5832
5833 outs() << "\t\t isa " << format(Fmt: "0x%08" PRIx32, Vals: objc_class->isa);
5834 if (info->verbose && CLS_GETINFO(objc_class, CLS_META)) {
5835 name = get_pointer_32(Address: objc_class->isa, offset, left, S, info, objc_only: true);
5836 if (name != nullptr)
5837 outs() << format(Fmt: " %.*s", Vals: left, Vals: name);
5838 else
5839 outs() << " (not in an __OBJC section)";
5840 }
5841 outs() << "\n";
5842
5843 outs() << "\t super_class "
5844 << format(Fmt: "0x%08" PRIx32, Vals: objc_class->super_class);
5845 if (info->verbose) {
5846 name = get_pointer_32(Address: objc_class->super_class, offset, left, S, info, objc_only: true);
5847 if (name != nullptr)
5848 outs() << format(Fmt: " %.*s", Vals: left, Vals: name);
5849 else
5850 outs() << " (not in an __OBJC section)";
5851 }
5852 outs() << "\n";
5853
5854 outs() << "\t\t name " << format(Fmt: "0x%08" PRIx32, Vals: objc_class->name);
5855 if (info->verbose) {
5856 name = get_pointer_32(Address: objc_class->name, offset, left, S, info, objc_only: true);
5857 if (name != nullptr)
5858 outs() << format(Fmt: " %.*s", Vals: left, Vals: name);
5859 else
5860 outs() << " (not in an __OBJC section)";
5861 }
5862 outs() << "\n";
5863
5864 outs() << "\t\t version " << format(Fmt: "0x%08" PRIx32, Vals: objc_class->version)
5865 << "\n";
5866
5867 outs() << "\t\t info " << format(Fmt: "0x%08" PRIx32, Vals: objc_class->info);
5868 if (info->verbose) {
5869 if (CLS_GETINFO(objc_class, CLS_CLASS))
5870 outs() << " CLS_CLASS";
5871 else if (CLS_GETINFO(objc_class, CLS_META))
5872 outs() << " CLS_META";
5873 }
5874 outs() << "\n";
5875
5876 outs() << "\t instance_size "
5877 << format(Fmt: "0x%08" PRIx32, Vals: objc_class->instance_size) << "\n";
5878
5879 p = get_pointer_32(Address: objc_class->ivars, offset, left, S, info, objc_only: true);
5880 outs() << "\t\t ivars " << format(Fmt: "0x%08" PRIx32, Vals: objc_class->ivars);
5881 if (p != nullptr) {
5882 if (left > sizeof(struct objc_ivar_list_t)) {
5883 outs() << "\n";
5884 memcpy(dest: &objc_ivar_list, src: p, n: sizeof(struct objc_ivar_list_t));
5885 } else {
5886 outs() << " (entends past the end of the section)\n";
5887 memset(s: &objc_ivar_list, c: '\0', n: sizeof(struct objc_ivar_list_t));
5888 memcpy(dest: &objc_ivar_list, src: p, n: left);
5889 }
5890 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
5891 swapStruct(objc_ivar_list);
5892 outs() << "\t\t ivar_count " << objc_ivar_list.ivar_count << "\n";
5893 ivar_list = p + sizeof(struct objc_ivar_list_t);
5894 for (i = 0; i < objc_ivar_list.ivar_count; i++) {
5895 if ((i + 1) * sizeof(struct objc_ivar_t) > left) {
5896 outs() << "\t\t remaining ivar's extend past the of the section\n";
5897 break;
5898 }
5899 memcpy(dest: &ivar, src: ivar_list + i * sizeof(struct objc_ivar_t),
5900 n: sizeof(struct objc_ivar_t));
5901 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
5902 swapStruct(objc_ivar&: ivar);
5903
5904 outs() << "\t\t\tivar_name " << format(Fmt: "0x%08" PRIx32, Vals: ivar.ivar_name);
5905 if (info->verbose) {
5906 name = get_pointer_32(Address: ivar.ivar_name, offset, left&: xleft, S, info, objc_only: true);
5907 if (name != nullptr)
5908 outs() << format(Fmt: " %.*s", Vals: xleft, Vals: name);
5909 else
5910 outs() << " (not in an __OBJC section)";
5911 }
5912 outs() << "\n";
5913
5914 outs() << "\t\t\tivar_type " << format(Fmt: "0x%08" PRIx32, Vals: ivar.ivar_type);
5915 if (info->verbose) {
5916 name = get_pointer_32(Address: ivar.ivar_type, offset, left&: xleft, S, info, objc_only: true);
5917 if (name != nullptr)
5918 outs() << format(Fmt: " %.*s", Vals: xleft, Vals: name);
5919 else
5920 outs() << " (not in an __OBJC section)";
5921 }
5922 outs() << "\n";
5923
5924 outs() << "\t\t ivar_offset "
5925 << format(Fmt: "0x%08" PRIx32, Vals: ivar.ivar_offset) << "\n";
5926 }
5927 } else {
5928 outs() << " (not in an __OBJC section)\n";
5929 }
5930
5931 outs() << "\t\t methods " << format(Fmt: "0x%08" PRIx32, Vals: objc_class->methodLists);
5932 if (print_method_list(p: objc_class->methodLists, info))
5933 outs() << " (not in an __OBJC section)\n";
5934
5935 outs() << "\t\t cache " << format(Fmt: "0x%08" PRIx32, Vals: objc_class->cache)
5936 << "\n";
5937
5938 outs() << "\t\tprotocols " << format(Fmt: "0x%08" PRIx32, Vals: objc_class->protocols);
5939 if (print_protocol_list(p: objc_class->protocols, indent: 16, info))
5940 outs() << " (not in an __OBJC section)\n";
5941}
5942
5943static void print_objc_objc_category_t(struct objc_category_t *objc_category,
5944 struct DisassembleInfo *info) {
5945 uint32_t offset, left;
5946 const char *name;
5947 SectionRef S;
5948
5949 outs() << "\t category name "
5950 << format(Fmt: "0x%08" PRIx32, Vals: objc_category->category_name);
5951 if (info->verbose) {
5952 name = get_pointer_32(Address: objc_category->category_name, offset, left, S, info,
5953 objc_only: true);
5954 if (name != nullptr)
5955 outs() << format(Fmt: " %.*s", Vals: left, Vals: name);
5956 else
5957 outs() << " (not in an __OBJC section)";
5958 }
5959 outs() << "\n";
5960
5961 outs() << "\t\t class name "
5962 << format(Fmt: "0x%08" PRIx32, Vals: objc_category->class_name);
5963 if (info->verbose) {
5964 name =
5965 get_pointer_32(Address: objc_category->class_name, offset, left, S, info, objc_only: true);
5966 if (name != nullptr)
5967 outs() << format(Fmt: " %.*s", Vals: left, Vals: name);
5968 else
5969 outs() << " (not in an __OBJC section)";
5970 }
5971 outs() << "\n";
5972
5973 outs() << "\t instance methods "
5974 << format(Fmt: "0x%08" PRIx32, Vals: objc_category->instance_methods);
5975 if (print_method_list(p: objc_category->instance_methods, info))
5976 outs() << " (not in an __OBJC section)\n";
5977
5978 outs() << "\t class methods "
5979 << format(Fmt: "0x%08" PRIx32, Vals: objc_category->class_methods);
5980 if (print_method_list(p: objc_category->class_methods, info))
5981 outs() << " (not in an __OBJC section)\n";
5982}
5983
5984static void print_category64_t(uint64_t p, struct DisassembleInfo *info) {
5985 struct category64_t c;
5986 const char *r;
5987 uint32_t offset, xoffset, left;
5988 SectionRef S, xS;
5989 const char *name, *sym_name;
5990 uint64_t n_value;
5991
5992 r = get_pointer_64(Address: p, offset, left, S, info);
5993 if (r == nullptr)
5994 return;
5995 memset(s: &c, c: '\0', n: sizeof(struct category64_t));
5996 if (left < sizeof(struct category64_t)) {
5997 memcpy(dest: &c, src: r, n: left);
5998 outs() << " (category_t entends past the end of the section)\n";
5999 } else
6000 memcpy(dest: &c, src: r, n: sizeof(struct category64_t));
6001 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
6002 swapStruct(c);
6003
6004 outs() << " name ";
6005 sym_name = get_symbol_64(sect_offset: offset + offsetof(struct category64_t, name), S,
6006 info, n_value, ReferenceValue: c.name);
6007 if (n_value != 0) {
6008 if (info->verbose && sym_name != nullptr)
6009 outs() << sym_name;
6010 else
6011 outs() << format(Fmt: "0x%" PRIx64, Vals: n_value);
6012 if (c.name != 0)
6013 outs() << " + " << format(Fmt: "0x%" PRIx64, Vals: c.name);
6014 } else
6015 outs() << format(Fmt: "0x%" PRIx64, Vals: c.name);
6016 name = get_pointer_64(Address: c.name + n_value, offset&: xoffset, left, S&: xS, info);
6017 if (name != nullptr)
6018 outs() << format(Fmt: " %.*s", Vals: left, Vals: name);
6019 outs() << "\n";
6020
6021 outs() << " cls ";
6022 sym_name = get_symbol_64(sect_offset: offset + offsetof(struct category64_t, cls), S, info,
6023 n_value, ReferenceValue: c.cls);
6024 if (n_value != 0) {
6025 if (info->verbose && sym_name != nullptr)
6026 outs() << sym_name;
6027 else
6028 outs() << format(Fmt: "0x%" PRIx64, Vals: n_value);
6029 if (c.cls != 0)
6030 outs() << " + " << format(Fmt: "0x%" PRIx64, Vals: c.cls);
6031 } else
6032 outs() << format(Fmt: "0x%" PRIx64, Vals: c.cls);
6033 outs() << "\n";
6034 if (c.cls + n_value != 0)
6035 print_class64_t(p: c.cls + n_value, info);
6036
6037 outs() << " instanceMethods ";
6038 sym_name =
6039 get_symbol_64(sect_offset: offset + offsetof(struct category64_t, instanceMethods), S,
6040 info, n_value, ReferenceValue: c.instanceMethods);
6041 if (n_value != 0) {
6042 if (info->verbose && sym_name != nullptr)
6043 outs() << sym_name;
6044 else
6045 outs() << format(Fmt: "0x%" PRIx64, Vals: n_value);
6046 if (c.instanceMethods != 0)
6047 outs() << " + " << format(Fmt: "0x%" PRIx64, Vals: c.instanceMethods);
6048 } else
6049 outs() << format(Fmt: "0x%" PRIx64, Vals: c.instanceMethods);
6050 outs() << "\n";
6051 if (c.instanceMethods + n_value != 0)
6052 print_method_list64_t(p: c.instanceMethods + n_value, info, indent: "");
6053
6054 outs() << " classMethods ";
6055 sym_name = get_symbol_64(sect_offset: offset + offsetof(struct category64_t, classMethods),
6056 S, info, n_value, ReferenceValue: c.classMethods);
6057 if (n_value != 0) {
6058 if (info->verbose && sym_name != nullptr)
6059 outs() << sym_name;
6060 else
6061 outs() << format(Fmt: "0x%" PRIx64, Vals: n_value);
6062 if (c.classMethods != 0)
6063 outs() << " + " << format(Fmt: "0x%" PRIx64, Vals: c.classMethods);
6064 } else
6065 outs() << format(Fmt: "0x%" PRIx64, Vals: c.classMethods);
6066 outs() << "\n";
6067 if (c.classMethods + n_value != 0)
6068 print_method_list64_t(p: c.classMethods + n_value, info, indent: "");
6069
6070 outs() << " protocols ";
6071 sym_name = get_symbol_64(sect_offset: offset + offsetof(struct category64_t, protocols), S,
6072 info, n_value, ReferenceValue: c.protocols);
6073 if (n_value != 0) {
6074 if (info->verbose && sym_name != nullptr)
6075 outs() << sym_name;
6076 else
6077 outs() << format(Fmt: "0x%" PRIx64, Vals: n_value);
6078 if (c.protocols != 0)
6079 outs() << " + " << format(Fmt: "0x%" PRIx64, Vals: c.protocols);
6080 } else
6081 outs() << format(Fmt: "0x%" PRIx64, Vals: c.protocols);
6082 outs() << "\n";
6083 if (c.protocols + n_value != 0)
6084 print_protocol_list64_t(p: c.protocols + n_value, info);
6085
6086 outs() << "instanceProperties ";
6087 sym_name =
6088 get_symbol_64(sect_offset: offset + offsetof(struct category64_t, instanceProperties),
6089 S, info, n_value, ReferenceValue: c.instanceProperties);
6090 if (n_value != 0) {
6091 if (info->verbose && sym_name != nullptr)
6092 outs() << sym_name;
6093 else
6094 outs() << format(Fmt: "0x%" PRIx64, Vals: n_value);
6095 if (c.instanceProperties != 0)
6096 outs() << " + " << format(Fmt: "0x%" PRIx64, Vals: c.instanceProperties);
6097 } else
6098 outs() << format(Fmt: "0x%" PRIx64, Vals: c.instanceProperties);
6099 outs() << "\n";
6100 if (c.instanceProperties + n_value != 0)
6101 print_objc_property_list64(p: c.instanceProperties + n_value, info);
6102}
6103
6104static void print_category32_t(uint32_t p, struct DisassembleInfo *info) {
6105 struct category32_t c;
6106 const char *r;
6107 uint32_t offset, left;
6108 SectionRef S, xS;
6109 const char *name;
6110
6111 r = get_pointer_32(Address: p, offset, left, S, info);
6112 if (r == nullptr)
6113 return;
6114 memset(s: &c, c: '\0', n: sizeof(struct category32_t));
6115 if (left < sizeof(struct category32_t)) {
6116 memcpy(dest: &c, src: r, n: left);
6117 outs() << " (category_t entends past the end of the section)\n";
6118 } else
6119 memcpy(dest: &c, src: r, n: sizeof(struct category32_t));
6120 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
6121 swapStruct(c);
6122
6123 outs() << " name " << format(Fmt: "0x%" PRIx32, Vals: c.name);
6124 name = get_symbol_32(sect_offset: offset + offsetof(struct category32_t, name), S, info,
6125 ReferenceValue: c.name);
6126 if (name)
6127 outs() << " " << name;
6128 outs() << "\n";
6129
6130 outs() << " cls " << format(Fmt: "0x%" PRIx32, Vals: c.cls) << "\n";
6131 if (c.cls != 0)
6132 print_class32_t(p: c.cls, info);
6133 outs() << " instanceMethods " << format(Fmt: "0x%" PRIx32, Vals: c.instanceMethods)
6134 << "\n";
6135 if (c.instanceMethods != 0)
6136 print_method_list32_t(p: c.instanceMethods, info, indent: "");
6137 outs() << " classMethods " << format(Fmt: "0x%" PRIx32, Vals: c.classMethods)
6138 << "\n";
6139 if (c.classMethods != 0)
6140 print_method_list32_t(p: c.classMethods, info, indent: "");
6141 outs() << " protocols " << format(Fmt: "0x%" PRIx32, Vals: c.protocols) << "\n";
6142 if (c.protocols != 0)
6143 print_protocol_list32_t(p: c.protocols, info);
6144 outs() << "instanceProperties " << format(Fmt: "0x%" PRIx32, Vals: c.instanceProperties)
6145 << "\n";
6146 if (c.instanceProperties != 0)
6147 print_objc_property_list32(p: c.instanceProperties, info);
6148}
6149
6150static void print_message_refs64(SectionRef S, struct DisassembleInfo *info) {
6151 uint32_t i, left, offset, xoffset;
6152 uint64_t p, n_value;
6153 struct message_ref64 mr;
6154 const char *name, *sym_name;
6155 const char *r;
6156 SectionRef xS;
6157
6158 if (S == SectionRef())
6159 return;
6160
6161 StringRef SectName;
6162 Expected<StringRef> SecNameOrErr = S.getName();
6163 if (SecNameOrErr)
6164 SectName = *SecNameOrErr;
6165 else
6166 consumeError(Err: SecNameOrErr.takeError());
6167
6168 DataRefImpl Ref = S.getRawDataRefImpl();
6169 StringRef SegName = info->O->getSectionFinalSegmentName(Sec: Ref);
6170 outs() << "Contents of (" << SegName << "," << SectName << ") section\n";
6171 offset = 0;
6172 for (i = 0; i < S.getSize(); i += sizeof(struct message_ref64)) {
6173 p = S.getAddress() + i;
6174 r = get_pointer_64(Address: p, offset, left, S, info);
6175 if (r == nullptr)
6176 return;
6177 memset(s: &mr, c: '\0', n: sizeof(struct message_ref64));
6178 if (left < sizeof(struct message_ref64)) {
6179 memcpy(dest: &mr, src: r, n: left);
6180 outs() << " (message_ref entends past the end of the section)\n";
6181 } else
6182 memcpy(dest: &mr, src: r, n: sizeof(struct message_ref64));
6183 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
6184 swapStruct(mr);
6185
6186 outs() << " imp ";
6187 name = get_symbol_64(sect_offset: offset + offsetof(struct message_ref64, imp), S, info,
6188 n_value, ReferenceValue: mr.imp);
6189 if (n_value != 0) {
6190 outs() << format(Fmt: "0x%" PRIx64, Vals: n_value) << " ";
6191 if (mr.imp != 0)
6192 outs() << "+ " << format(Fmt: "0x%" PRIx64, Vals: mr.imp) << " ";
6193 } else
6194 outs() << format(Fmt: "0x%" PRIx64, Vals: mr.imp) << " ";
6195 if (name != nullptr)
6196 outs() << " " << name;
6197 outs() << "\n";
6198
6199 outs() << " sel ";
6200 sym_name = get_symbol_64(sect_offset: offset + offsetof(struct message_ref64, sel), S,
6201 info, n_value, ReferenceValue: mr.sel);
6202 if (n_value != 0) {
6203 if (info->verbose && sym_name != nullptr)
6204 outs() << sym_name;
6205 else
6206 outs() << format(Fmt: "0x%" PRIx64, Vals: n_value);
6207 if (mr.sel != 0)
6208 outs() << " + " << format(Fmt: "0x%" PRIx64, Vals: mr.sel);
6209 } else
6210 outs() << format(Fmt: "0x%" PRIx64, Vals: mr.sel);
6211 name = get_pointer_64(Address: mr.sel + n_value, offset&: xoffset, left, S&: xS, info);
6212 if (name != nullptr)
6213 outs() << format(Fmt: " %.*s", Vals: left, Vals: name);
6214 outs() << "\n";
6215
6216 offset += sizeof(struct message_ref64);
6217 }
6218}
6219
6220static void print_message_refs32(SectionRef S, struct DisassembleInfo *info) {
6221 uint32_t i, left, offset, xoffset, p;
6222 struct message_ref32 mr;
6223 const char *name, *r;
6224 SectionRef xS;
6225
6226 if (S == SectionRef())
6227 return;
6228
6229 StringRef SectName;
6230 Expected<StringRef> SecNameOrErr = S.getName();
6231 if (SecNameOrErr)
6232 SectName = *SecNameOrErr;
6233 else
6234 consumeError(Err: SecNameOrErr.takeError());
6235
6236 DataRefImpl Ref = S.getRawDataRefImpl();
6237 StringRef SegName = info->O->getSectionFinalSegmentName(Sec: Ref);
6238 outs() << "Contents of (" << SegName << "," << SectName << ") section\n";
6239 offset = 0;
6240 for (i = 0; i < S.getSize(); i += sizeof(struct message_ref64)) {
6241 p = S.getAddress() + i;
6242 r = get_pointer_32(Address: p, offset, left, S, info);
6243 if (r == nullptr)
6244 return;
6245 memset(s: &mr, c: '\0', n: sizeof(struct message_ref32));
6246 if (left < sizeof(struct message_ref32)) {
6247 memcpy(dest: &mr, src: r, n: left);
6248 outs() << " (message_ref entends past the end of the section)\n";
6249 } else
6250 memcpy(dest: &mr, src: r, n: sizeof(struct message_ref32));
6251 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
6252 swapStruct(mr);
6253
6254 outs() << " imp " << format(Fmt: "0x%" PRIx32, Vals: mr.imp);
6255 name = get_symbol_32(sect_offset: offset + offsetof(struct message_ref32, imp), S, info,
6256 ReferenceValue: mr.imp);
6257 if (name != nullptr)
6258 outs() << " " << name;
6259 outs() << "\n";
6260
6261 outs() << " sel " << format(Fmt: "0x%" PRIx32, Vals: mr.sel);
6262 name = get_pointer_32(Address: mr.sel, offset&: xoffset, left, S&: xS, info);
6263 if (name != nullptr)
6264 outs() << " " << name;
6265 outs() << "\n";
6266
6267 offset += sizeof(struct message_ref32);
6268 }
6269}
6270
6271static void print_image_info64(SectionRef S, struct DisassembleInfo *info) {
6272 uint32_t left, offset, swift_version;
6273 uint64_t p;
6274 struct objc_image_info64 o;
6275 const char *r;
6276
6277 if (S == SectionRef())
6278 return;
6279
6280 StringRef SectName;
6281 Expected<StringRef> SecNameOrErr = S.getName();
6282 if (SecNameOrErr)
6283 SectName = *SecNameOrErr;
6284 else
6285 consumeError(Err: SecNameOrErr.takeError());
6286
6287 DataRefImpl Ref = S.getRawDataRefImpl();
6288 StringRef SegName = info->O->getSectionFinalSegmentName(Sec: Ref);
6289 outs() << "Contents of (" << SegName << "," << SectName << ") section\n";
6290 p = S.getAddress();
6291 r = get_pointer_64(Address: p, offset, left, S, info);
6292 if (r == nullptr)
6293 return;
6294 memset(s: &o, c: '\0', n: sizeof(struct objc_image_info64));
6295 if (left < sizeof(struct objc_image_info64)) {
6296 memcpy(dest: &o, src: r, n: left);
6297 outs() << " (objc_image_info entends past the end of the section)\n";
6298 } else
6299 memcpy(dest: &o, src: r, n: sizeof(struct objc_image_info64));
6300 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
6301 swapStruct(o);
6302 outs() << " version " << o.version << "\n";
6303 outs() << " flags " << format(Fmt: "0x%" PRIx32, Vals: o.flags);
6304 if (o.flags & OBJC_IMAGE_IS_REPLACEMENT)
6305 outs() << " OBJC_IMAGE_IS_REPLACEMENT";
6306 if (o.flags & OBJC_IMAGE_SUPPORTS_GC)
6307 outs() << " OBJC_IMAGE_SUPPORTS_GC";
6308 if (o.flags & OBJC_IMAGE_IS_SIMULATED)
6309 outs() << " OBJC_IMAGE_IS_SIMULATED";
6310 if (o.flags & OBJC_IMAGE_HAS_CATEGORY_CLASS_PROPERTIES)
6311 outs() << " OBJC_IMAGE_HAS_CATEGORY_CLASS_PROPERTIES";
6312 swift_version = (o.flags >> 8) & 0xff;
6313 if (swift_version != 0) {
6314 if (swift_version == 1)
6315 outs() << " Swift 1.0";
6316 else if (swift_version == 2)
6317 outs() << " Swift 1.1";
6318 else if(swift_version == 3)
6319 outs() << " Swift 2.0";
6320 else if(swift_version == 4)
6321 outs() << " Swift 3.0";
6322 else if(swift_version == 5)
6323 outs() << " Swift 4.0";
6324 else if(swift_version == 6)
6325 outs() << " Swift 4.1/Swift 4.2";
6326 else if(swift_version == 7)
6327 outs() << " Swift 5 or later";
6328 else
6329 outs() << " unknown future Swift version (" << swift_version << ")";
6330 }
6331 outs() << "\n";
6332}
6333
6334static void print_image_info32(SectionRef S, struct DisassembleInfo *info) {
6335 uint32_t left, offset, swift_version, p;
6336 struct objc_image_info32 o;
6337 const char *r;
6338
6339 if (S == SectionRef())
6340 return;
6341
6342 StringRef SectName;
6343 Expected<StringRef> SecNameOrErr = S.getName();
6344 if (SecNameOrErr)
6345 SectName = *SecNameOrErr;
6346 else
6347 consumeError(Err: SecNameOrErr.takeError());
6348
6349 DataRefImpl Ref = S.getRawDataRefImpl();
6350 StringRef SegName = info->O->getSectionFinalSegmentName(Sec: Ref);
6351 outs() << "Contents of (" << SegName << "," << SectName << ") section\n";
6352 p = S.getAddress();
6353 r = get_pointer_32(Address: p, offset, left, S, info);
6354 if (r == nullptr)
6355 return;
6356 memset(s: &o, c: '\0', n: sizeof(struct objc_image_info32));
6357 if (left < sizeof(struct objc_image_info32)) {
6358 memcpy(dest: &o, src: r, n: left);
6359 outs() << " (objc_image_info entends past the end of the section)\n";
6360 } else
6361 memcpy(dest: &o, src: r, n: sizeof(struct objc_image_info32));
6362 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
6363 swapStruct(o);
6364 outs() << " version " << o.version << "\n";
6365 outs() << " flags " << format(Fmt: "0x%" PRIx32, Vals: o.flags);
6366 if (o.flags & OBJC_IMAGE_IS_REPLACEMENT)
6367 outs() << " OBJC_IMAGE_IS_REPLACEMENT";
6368 if (o.flags & OBJC_IMAGE_SUPPORTS_GC)
6369 outs() << " OBJC_IMAGE_SUPPORTS_GC";
6370 swift_version = (o.flags >> 8) & 0xff;
6371 if (swift_version != 0) {
6372 if (swift_version == 1)
6373 outs() << " Swift 1.0";
6374 else if (swift_version == 2)
6375 outs() << " Swift 1.1";
6376 else if(swift_version == 3)
6377 outs() << " Swift 2.0";
6378 else if(swift_version == 4)
6379 outs() << " Swift 3.0";
6380 else if(swift_version == 5)
6381 outs() << " Swift 4.0";
6382 else if(swift_version == 6)
6383 outs() << " Swift 4.1/Swift 4.2";
6384 else if(swift_version == 7)
6385 outs() << " Swift 5 or later";
6386 else
6387 outs() << " unknown future Swift version (" << swift_version << ")";
6388 }
6389 outs() << "\n";
6390}
6391
6392static void print_image_info(SectionRef S, struct DisassembleInfo *info) {
6393 uint32_t left, offset, p;
6394 struct imageInfo_t o;
6395 const char *r;
6396
6397 StringRef SectName;
6398 Expected<StringRef> SecNameOrErr = S.getName();
6399 if (SecNameOrErr)
6400 SectName = *SecNameOrErr;
6401 else
6402 consumeError(Err: SecNameOrErr.takeError());
6403
6404 DataRefImpl Ref = S.getRawDataRefImpl();
6405 StringRef SegName = info->O->getSectionFinalSegmentName(Sec: Ref);
6406 outs() << "Contents of (" << SegName << "," << SectName << ") section\n";
6407 p = S.getAddress();
6408 r = get_pointer_32(Address: p, offset, left, S, info);
6409 if (r == nullptr)
6410 return;
6411 memset(s: &o, c: '\0', n: sizeof(struct imageInfo_t));
6412 if (left < sizeof(struct imageInfo_t)) {
6413 memcpy(dest: &o, src: r, n: left);
6414 outs() << " (imageInfo entends past the end of the section)\n";
6415 } else
6416 memcpy(dest: &o, src: r, n: sizeof(struct imageInfo_t));
6417 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
6418 swapStruct(o);
6419 outs() << " version " << o.version << "\n";
6420 outs() << " flags " << format(Fmt: "0x%" PRIx32, Vals: o.flags);
6421 if (o.flags & 0x1)
6422 outs() << " F&C";
6423 if (o.flags & 0x2)
6424 outs() << " GC";
6425 if (o.flags & 0x4)
6426 outs() << " GC-only";
6427 else
6428 outs() << " RR";
6429 outs() << "\n";
6430}
6431
6432static void printObjc2_64bit_MetaData(MachOObjectFile *O, bool verbose) {
6433 SymbolAddressMap AddrMap;
6434 if (verbose)
6435 CreateSymbolAddressMap(O, AddrMap: &AddrMap);
6436
6437 std::vector<SectionRef> Sections;
6438 append_range(C&: Sections, R: O->sections());
6439
6440 struct DisassembleInfo info(O, &AddrMap, &Sections, verbose);
6441
6442 SectionRef CL = get_section(O, segname: "__OBJC2", sectname: "__class_list");
6443 if (CL == SectionRef())
6444 CL = get_section(O, segname: "__DATA", sectname: "__objc_classlist");
6445 if (CL == SectionRef())
6446 CL = get_section(O, segname: "__DATA_CONST", sectname: "__objc_classlist");
6447 if (CL == SectionRef())
6448 CL = get_section(O, segname: "__DATA_DIRTY", sectname: "__objc_classlist");
6449 info.S = CL;
6450 walk_pointer_list_64(listname: "class", S: CL, O, info: &info, func: print_class64_t);
6451
6452 SectionRef CR = get_section(O, segname: "__OBJC2", sectname: "__class_refs");
6453 if (CR == SectionRef())
6454 CR = get_section(O, segname: "__DATA", sectname: "__objc_classrefs");
6455 if (CR == SectionRef())
6456 CR = get_section(O, segname: "__DATA_CONST", sectname: "__objc_classrefs");
6457 if (CR == SectionRef())
6458 CR = get_section(O, segname: "__DATA_DIRTY", sectname: "__objc_classrefs");
6459 info.S = CR;
6460 walk_pointer_list_64(listname: "class refs", S: CR, O, info: &info, func: nullptr);
6461
6462 SectionRef SR = get_section(O, segname: "__OBJC2", sectname: "__super_refs");
6463 if (SR == SectionRef())
6464 SR = get_section(O, segname: "__DATA", sectname: "__objc_superrefs");
6465 if (SR == SectionRef())
6466 SR = get_section(O, segname: "__DATA_CONST", sectname: "__objc_superrefs");
6467 if (SR == SectionRef())
6468 SR = get_section(O, segname: "__DATA_DIRTY", sectname: "__objc_superrefs");
6469 info.S = SR;
6470 walk_pointer_list_64(listname: "super refs", S: SR, O, info: &info, func: nullptr);
6471
6472 SectionRef CA = get_section(O, segname: "__OBJC2", sectname: "__category_list");
6473 if (CA == SectionRef())
6474 CA = get_section(O, segname: "__DATA", sectname: "__objc_catlist");
6475 if (CA == SectionRef())
6476 CA = get_section(O, segname: "__DATA_CONST", sectname: "__objc_catlist");
6477 if (CA == SectionRef())
6478 CA = get_section(O, segname: "__DATA_DIRTY", sectname: "__objc_catlist");
6479 info.S = CA;
6480 walk_pointer_list_64(listname: "category", S: CA, O, info: &info, func: print_category64_t);
6481
6482 SectionRef PL = get_section(O, segname: "__OBJC2", sectname: "__protocol_list");
6483 if (PL == SectionRef())
6484 PL = get_section(O, segname: "__DATA", sectname: "__objc_protolist");
6485 if (PL == SectionRef())
6486 PL = get_section(O, segname: "__DATA_CONST", sectname: "__objc_protolist");
6487 if (PL == SectionRef())
6488 PL = get_section(O, segname: "__DATA_DIRTY", sectname: "__objc_protolist");
6489 info.S = PL;
6490 walk_pointer_list_64(listname: "protocol", S: PL, O, info: &info, func: nullptr);
6491
6492 SectionRef MR = get_section(O, segname: "__OBJC2", sectname: "__message_refs");
6493 if (MR == SectionRef())
6494 MR = get_section(O, segname: "__DATA", sectname: "__objc_msgrefs");
6495 if (MR == SectionRef())
6496 MR = get_section(O, segname: "__DATA_CONST", sectname: "__objc_msgrefs");
6497 if (MR == SectionRef())
6498 MR = get_section(O, segname: "__DATA_DIRTY", sectname: "__objc_msgrefs");
6499 info.S = MR;
6500 print_message_refs64(S: MR, info: &info);
6501
6502 SectionRef II = get_section(O, segname: "__OBJC2", sectname: "__image_info");
6503 if (II == SectionRef())
6504 II = get_section(O, segname: "__DATA", sectname: "__objc_imageinfo");
6505 if (II == SectionRef())
6506 II = get_section(O, segname: "__DATA_CONST", sectname: "__objc_imageinfo");
6507 if (II == SectionRef())
6508 II = get_section(O, segname: "__DATA_DIRTY", sectname: "__objc_imageinfo");
6509 info.S = II;
6510 print_image_info64(S: II, info: &info);
6511}
6512
6513static void printObjc2_32bit_MetaData(MachOObjectFile *O, bool verbose) {
6514 SymbolAddressMap AddrMap;
6515 if (verbose)
6516 CreateSymbolAddressMap(O, AddrMap: &AddrMap);
6517
6518 std::vector<SectionRef> Sections;
6519 append_range(C&: Sections, R: O->sections());
6520
6521 struct DisassembleInfo info(O, &AddrMap, &Sections, verbose);
6522
6523 SectionRef CL = get_section(O, segname: "__OBJC2", sectname: "__class_list");
6524 if (CL == SectionRef())
6525 CL = get_section(O, segname: "__DATA", sectname: "__objc_classlist");
6526 if (CL == SectionRef())
6527 CL = get_section(O, segname: "__DATA_CONST", sectname: "__objc_classlist");
6528 if (CL == SectionRef())
6529 CL = get_section(O, segname: "__DATA_DIRTY", sectname: "__objc_classlist");
6530 info.S = CL;
6531 walk_pointer_list_32(listname: "class", S: CL, O, info: &info, func: print_class32_t);
6532
6533 SectionRef CR = get_section(O, segname: "__OBJC2", sectname: "__class_refs");
6534 if (CR == SectionRef())
6535 CR = get_section(O, segname: "__DATA", sectname: "__objc_classrefs");
6536 if (CR == SectionRef())
6537 CR = get_section(O, segname: "__DATA_CONST", sectname: "__objc_classrefs");
6538 if (CR == SectionRef())
6539 CR = get_section(O, segname: "__DATA_DIRTY", sectname: "__objc_classrefs");
6540 info.S = CR;
6541 walk_pointer_list_32(listname: "class refs", S: CR, O, info: &info, func: nullptr);
6542
6543 SectionRef SR = get_section(O, segname: "__OBJC2", sectname: "__super_refs");
6544 if (SR == SectionRef())
6545 SR = get_section(O, segname: "__DATA", sectname: "__objc_superrefs");
6546 if (SR == SectionRef())
6547 SR = get_section(O, segname: "__DATA_CONST", sectname: "__objc_superrefs");
6548 if (SR == SectionRef())
6549 SR = get_section(O, segname: "__DATA_DIRTY", sectname: "__objc_superrefs");
6550 info.S = SR;
6551 walk_pointer_list_32(listname: "super refs", S: SR, O, info: &info, func: nullptr);
6552
6553 SectionRef CA = get_section(O, segname: "__OBJC2", sectname: "__category_list");
6554 if (CA == SectionRef())
6555 CA = get_section(O, segname: "__DATA", sectname: "__objc_catlist");
6556 if (CA == SectionRef())
6557 CA = get_section(O, segname: "__DATA_CONST", sectname: "__objc_catlist");
6558 if (CA == SectionRef())
6559 CA = get_section(O, segname: "__DATA_DIRTY", sectname: "__objc_catlist");
6560 info.S = CA;
6561 walk_pointer_list_32(listname: "category", S: CA, O, info: &info, func: print_category32_t);
6562
6563 SectionRef PL = get_section(O, segname: "__OBJC2", sectname: "__protocol_list");
6564 if (PL == SectionRef())
6565 PL = get_section(O, segname: "__DATA", sectname: "__objc_protolist");
6566 if (PL == SectionRef())
6567 PL = get_section(O, segname: "__DATA_CONST", sectname: "__objc_protolist");
6568 if (PL == SectionRef())
6569 PL = get_section(O, segname: "__DATA_DIRTY", sectname: "__objc_protolist");
6570 info.S = PL;
6571 walk_pointer_list_32(listname: "protocol", S: PL, O, info: &info, func: nullptr);
6572
6573 SectionRef MR = get_section(O, segname: "__OBJC2", sectname: "__message_refs");
6574 if (MR == SectionRef())
6575 MR = get_section(O, segname: "__DATA", sectname: "__objc_msgrefs");
6576 if (MR == SectionRef())
6577 MR = get_section(O, segname: "__DATA_CONST", sectname: "__objc_msgrefs");
6578 if (MR == SectionRef())
6579 MR = get_section(O, segname: "__DATA_DIRTY", sectname: "__objc_msgrefs");
6580 info.S = MR;
6581 print_message_refs32(S: MR, info: &info);
6582
6583 SectionRef II = get_section(O, segname: "__OBJC2", sectname: "__image_info");
6584 if (II == SectionRef())
6585 II = get_section(O, segname: "__DATA", sectname: "__objc_imageinfo");
6586 if (II == SectionRef())
6587 II = get_section(O, segname: "__DATA_CONST", sectname: "__objc_imageinfo");
6588 if (II == SectionRef())
6589 II = get_section(O, segname: "__DATA_DIRTY", sectname: "__objc_imageinfo");
6590 info.S = II;
6591 print_image_info32(S: II, info: &info);
6592}
6593
6594static bool printObjc1_32bit_MetaData(MachOObjectFile *O, bool verbose) {
6595 uint32_t i, j, p, offset, xoffset, left, defs_left, def;
6596 const char *r, *name, *defs;
6597 struct objc_module_t module;
6598 SectionRef S, xS;
6599 struct objc_symtab_t symtab;
6600 struct objc_class_t objc_class;
6601 struct objc_category_t objc_category;
6602
6603 outs() << "Objective-C segment\n";
6604 S = get_section(O, segname: "__OBJC", sectname: "__module_info");
6605 if (S == SectionRef())
6606 return false;
6607
6608 SymbolAddressMap AddrMap;
6609 if (verbose)
6610 CreateSymbolAddressMap(O, AddrMap: &AddrMap);
6611
6612 std::vector<SectionRef> Sections;
6613 append_range(C&: Sections, R: O->sections());
6614
6615 struct DisassembleInfo info(O, &AddrMap, &Sections, verbose);
6616
6617 for (i = 0; i < S.getSize(); i += sizeof(struct objc_module_t)) {
6618 p = S.getAddress() + i;
6619 r = get_pointer_32(Address: p, offset, left, S, info: &info, objc_only: true);
6620 if (r == nullptr)
6621 return true;
6622 memset(s: &module, c: '\0', n: sizeof(struct objc_module_t));
6623 if (left < sizeof(struct objc_module_t)) {
6624 memcpy(dest: &module, src: r, n: left);
6625 outs() << " (module extends past end of __module_info section)\n";
6626 } else
6627 memcpy(dest: &module, src: r, n: sizeof(struct objc_module_t));
6628 if (O->isLittleEndian() != sys::IsLittleEndianHost)
6629 swapStruct(module);
6630
6631 outs() << "Module " << format(Fmt: "0x%" PRIx32, Vals: p) << "\n";
6632 outs() << " version " << module.version << "\n";
6633 outs() << " size " << module.size << "\n";
6634 outs() << " name ";
6635 name = get_pointer_32(Address: module.name, offset&: xoffset, left, S&: xS, info: &info, objc_only: true);
6636 if (name != nullptr)
6637 outs() << format(Fmt: "%.*s", Vals: left, Vals: name);
6638 else
6639 outs() << format(Fmt: "0x%08" PRIx32, Vals: module.name)
6640 << "(not in an __OBJC section)";
6641 outs() << "\n";
6642
6643 r = get_pointer_32(Address: module.symtab, offset&: xoffset, left, S&: xS, info: &info, objc_only: true);
6644 if (module.symtab == 0 || r == nullptr) {
6645 outs() << " symtab " << format(Fmt: "0x%08" PRIx32, Vals: module.symtab)
6646 << " (not in an __OBJC section)\n";
6647 continue;
6648 }
6649 outs() << " symtab " << format(Fmt: "0x%08" PRIx32, Vals: module.symtab) << "\n";
6650 memset(s: &symtab, c: '\0', n: sizeof(struct objc_symtab_t));
6651 defs_left = 0;
6652 defs = nullptr;
6653 if (left < sizeof(struct objc_symtab_t)) {
6654 memcpy(dest: &symtab, src: r, n: left);
6655 outs() << "\tsymtab extends past end of an __OBJC section)\n";
6656 } else {
6657 memcpy(dest: &symtab, src: r, n: sizeof(struct objc_symtab_t));
6658 if (left > sizeof(struct objc_symtab_t)) {
6659 defs_left = left - sizeof(struct objc_symtab_t);
6660 defs = r + sizeof(struct objc_symtab_t);
6661 }
6662 }
6663 if (O->isLittleEndian() != sys::IsLittleEndianHost)
6664 swapStruct(symtab);
6665
6666 outs() << "\tsel_ref_cnt " << symtab.sel_ref_cnt << "\n";
6667 r = get_pointer_32(Address: symtab.refs, offset&: xoffset, left, S&: xS, info: &info, objc_only: true);
6668 outs() << "\trefs " << format(Fmt: "0x%08" PRIx32, Vals: symtab.refs);
6669 if (r == nullptr)
6670 outs() << " (not in an __OBJC section)";
6671 outs() << "\n";
6672 outs() << "\tcls_def_cnt " << symtab.cls_def_cnt << "\n";
6673 outs() << "\tcat_def_cnt " << symtab.cat_def_cnt << "\n";
6674 if (symtab.cls_def_cnt > 0)
6675 outs() << "\tClass Definitions\n";
6676 for (j = 0; j < symtab.cls_def_cnt; j++) {
6677 if ((j + 1) * sizeof(uint32_t) > defs_left) {
6678 outs() << "\t(remaining class defs entries entends past the end of the "
6679 << "section)\n";
6680 break;
6681 }
6682 memcpy(dest: &def, src: defs + j * sizeof(uint32_t), n: sizeof(uint32_t));
6683 if (O->isLittleEndian() != sys::IsLittleEndianHost)
6684 sys::swapByteOrder(Value&: def);
6685
6686 r = get_pointer_32(Address: def, offset&: xoffset, left, S&: xS, info: &info, objc_only: true);
6687 outs() << "\tdefs[" << j << "] " << format(Fmt: "0x%08" PRIx32, Vals: def);
6688 if (r != nullptr) {
6689 if (left > sizeof(struct objc_class_t)) {
6690 outs() << "\n";
6691 memcpy(dest: &objc_class, src: r, n: sizeof(struct objc_class_t));
6692 } else {
6693 outs() << " (entends past the end of the section)\n";
6694 memset(s: &objc_class, c: '\0', n: sizeof(struct objc_class_t));
6695 memcpy(dest: &objc_class, src: r, n: left);
6696 }
6697 if (O->isLittleEndian() != sys::IsLittleEndianHost)
6698 swapStruct(objc_class);
6699 print_objc_class_t(objc_class: &objc_class, info: &info);
6700 } else {
6701 outs() << "(not in an __OBJC section)\n";
6702 }
6703
6704 if (CLS_GETINFO(&objc_class, CLS_CLASS)) {
6705 outs() << "\tMeta Class";
6706 r = get_pointer_32(Address: objc_class.isa, offset&: xoffset, left, S&: xS, info: &info, objc_only: true);
6707 if (r != nullptr) {
6708 if (left > sizeof(struct objc_class_t)) {
6709 outs() << "\n";
6710 memcpy(dest: &objc_class, src: r, n: sizeof(struct objc_class_t));
6711 } else {
6712 outs() << " (entends past the end of the section)\n";
6713 memset(s: &objc_class, c: '\0', n: sizeof(struct objc_class_t));
6714 memcpy(dest: &objc_class, src: r, n: left);
6715 }
6716 if (O->isLittleEndian() != sys::IsLittleEndianHost)
6717 swapStruct(objc_class);
6718 print_objc_class_t(objc_class: &objc_class, info: &info);
6719 } else {
6720 outs() << "(not in an __OBJC section)\n";
6721 }
6722 }
6723 }
6724 if (symtab.cat_def_cnt > 0)
6725 outs() << "\tCategory Definitions\n";
6726 for (j = 0; j < symtab.cat_def_cnt; j++) {
6727 if ((j + symtab.cls_def_cnt + 1) * sizeof(uint32_t) > defs_left) {
6728 outs() << "\t(remaining category defs entries entends past the end of "
6729 << "the section)\n";
6730 break;
6731 }
6732 memcpy(dest: &def, src: defs + (j + symtab.cls_def_cnt) * sizeof(uint32_t),
6733 n: sizeof(uint32_t));
6734 if (O->isLittleEndian() != sys::IsLittleEndianHost)
6735 sys::swapByteOrder(Value&: def);
6736
6737 r = get_pointer_32(Address: def, offset&: xoffset, left, S&: xS, info: &info, objc_only: true);
6738 outs() << "\tdefs[" << j + symtab.cls_def_cnt << "] "
6739 << format(Fmt: "0x%08" PRIx32, Vals: def);
6740 if (r != nullptr) {
6741 if (left > sizeof(struct objc_category_t)) {
6742 outs() << "\n";
6743 memcpy(dest: &objc_category, src: r, n: sizeof(struct objc_category_t));
6744 } else {
6745 outs() << " (entends past the end of the section)\n";
6746 memset(s: &objc_category, c: '\0', n: sizeof(struct objc_category_t));
6747 memcpy(dest: &objc_category, src: r, n: left);
6748 }
6749 if (O->isLittleEndian() != sys::IsLittleEndianHost)
6750 swapStruct(objc_category);
6751 print_objc_objc_category_t(objc_category: &objc_category, info: &info);
6752 } else {
6753 outs() << "(not in an __OBJC section)\n";
6754 }
6755 }
6756 }
6757 const SectionRef II = get_section(O, segname: "__OBJC", sectname: "__image_info");
6758 if (II != SectionRef())
6759 print_image_info(S: II, info: &info);
6760
6761 return true;
6762}
6763
6764static void DumpProtocolSection(MachOObjectFile *O, const char *sect,
6765 uint32_t size, uint32_t addr) {
6766 SymbolAddressMap AddrMap;
6767 CreateSymbolAddressMap(O, AddrMap: &AddrMap);
6768
6769 std::vector<SectionRef> Sections;
6770 append_range(C&: Sections, R: O->sections());
6771
6772 struct DisassembleInfo info(O, &AddrMap, &Sections, true);
6773
6774 const char *p;
6775 struct objc_protocol_t protocol;
6776 uint32_t left, paddr;
6777 for (p = sect; p < sect + size; p += sizeof(struct objc_protocol_t)) {
6778 memset(s: &protocol, c: '\0', n: sizeof(struct objc_protocol_t));
6779 left = size - (p - sect);
6780 if (left < sizeof(struct objc_protocol_t)) {
6781 outs() << "Protocol extends past end of __protocol section\n";
6782 memcpy(dest: &protocol, src: p, n: left);
6783 } else
6784 memcpy(dest: &protocol, src: p, n: sizeof(struct objc_protocol_t));
6785 if (O->isLittleEndian() != sys::IsLittleEndianHost)
6786 swapStruct(protocol);
6787 paddr = addr + (p - sect);
6788 outs() << "Protocol " << format(Fmt: "0x%" PRIx32, Vals: paddr);
6789 if (print_protocol(p: paddr, indent: 0, info: &info))
6790 outs() << "(not in an __OBJC section)\n";
6791 }
6792}
6793
6794static void printObjcMetaData(MachOObjectFile *O, bool verbose) {
6795 if (O->is64Bit())
6796 printObjc2_64bit_MetaData(O, verbose);
6797 else {
6798 MachO::mach_header H;
6799 H = O->getHeader();
6800 if (H.cputype == MachO::CPU_TYPE_ARM)
6801 printObjc2_32bit_MetaData(O, verbose);
6802 else {
6803 // This is the 32-bit non-arm cputype case. Which is normally
6804 // the first Objective-C ABI. But it may be the case of a
6805 // binary for the iOS simulator which is the second Objective-C
6806 // ABI. In that case printObjc1_32bit_MetaData() will determine that
6807 // and return false.
6808 if (!printObjc1_32bit_MetaData(O, verbose))
6809 printObjc2_32bit_MetaData(O, verbose);
6810 }
6811 }
6812}
6813
6814// GuessLiteralPointer returns a string which for the item in the Mach-O file
6815// for the address passed in as ReferenceValue for printing as a comment with
6816// the instruction and also returns the corresponding type of that item
6817// indirectly through ReferenceType.
6818//
6819// If ReferenceValue is an address of literal cstring then a pointer to the
6820// cstring is returned and ReferenceType is set to
6821// LLVMDisassembler_ReferenceType_Out_LitPool_CstrAddr .
6822//
6823// If ReferenceValue is an address of an Objective-C CFString, Selector ref or
6824// Class ref that name is returned and the ReferenceType is set accordingly.
6825//
6826// Lastly, literals which are Symbol address in a literal pool are looked for
6827// and if found the symbol name is returned and ReferenceType is set to
6828// LLVMDisassembler_ReferenceType_Out_LitPool_SymAddr .
6829//
6830// If there is no item in the Mach-O file for the address passed in as
6831// ReferenceValue nullptr is returned and ReferenceType is unchanged.
6832static const char *GuessLiteralPointer(uint64_t ReferenceValue,
6833 uint64_t ReferencePC,
6834 uint64_t *ReferenceType,
6835 struct DisassembleInfo *info) {
6836 // First see if there is an external relocation entry at the ReferencePC.
6837 if (info->O->getHeader().filetype == MachO::MH_OBJECT) {
6838 uint64_t sect_addr = info->S.getAddress();
6839 uint64_t sect_offset = ReferencePC - sect_addr;
6840 bool reloc_found = false;
6841 DataRefImpl Rel;
6842 MachO::any_relocation_info RE;
6843 bool isExtern = false;
6844 SymbolRef Symbol;
6845 for (const RelocationRef &Reloc : info->S.relocations()) {
6846 uint64_t RelocOffset = Reloc.getOffset();
6847 if (RelocOffset == sect_offset) {
6848 Rel = Reloc.getRawDataRefImpl();
6849 RE = info->O->getRelocation(Rel);
6850 if (info->O->isRelocationScattered(RE))
6851 continue;
6852 isExtern = info->O->getPlainRelocationExternal(RE);
6853 if (isExtern) {
6854 symbol_iterator RelocSym = Reloc.getSymbol();
6855 Symbol = *RelocSym;
6856 }
6857 reloc_found = true;
6858 break;
6859 }
6860 }
6861 // If there is an external relocation entry for a symbol in a section
6862 // then used that symbol's value for the value of the reference.
6863 if (reloc_found && isExtern) {
6864 if (info->O->getAnyRelocationPCRel(RE)) {
6865 unsigned Type = info->O->getAnyRelocationType(RE);
6866 if (Type == MachO::X86_64_RELOC_SIGNED) {
6867 ReferenceValue = cantFail(ValOrErr: Symbol.getValue());
6868 }
6869 }
6870 }
6871 }
6872
6873 // Look for literals such as Objective-C CFStrings refs, Selector refs,
6874 // Message refs and Class refs.
6875 bool classref, selref, msgref, cfstring;
6876 uint64_t pointer_value = GuessPointerPointer(ReferenceValue, info, classref,
6877 selref, msgref, cfstring);
6878 if (classref && pointer_value == 0) {
6879 // Note the ReferenceValue is a pointer into the __objc_classrefs section.
6880 // And the pointer_value in that section is typically zero as it will be
6881 // set by dyld as part of the "bind information".
6882 const char *name = get_dyld_bind_info_symbolname(ReferenceValue, info);
6883 if (name != nullptr) {
6884 *ReferenceType = LLVMDisassembler_ReferenceType_Out_Objc_Class_Ref;
6885 const char *class_name = strrchr(s: name, c: '$');
6886 if (class_name != nullptr && class_name[1] == '_' &&
6887 class_name[2] != '\0') {
6888 info->class_name = class_name + 2;
6889 return name;
6890 }
6891 }
6892 }
6893
6894 if (classref) {
6895 *ReferenceType = LLVMDisassembler_ReferenceType_Out_Objc_Class_Ref;
6896 const char *name =
6897 get_objc2_64bit_class_name(pointer_value, ReferenceValue, info);
6898 if (name != nullptr)
6899 info->class_name = name;
6900 else
6901 name = "bad class ref";
6902 return name;
6903 }
6904
6905 if (cfstring) {
6906 *ReferenceType = LLVMDisassembler_ReferenceType_Out_Objc_CFString_Ref;
6907 const char *name = get_objc2_64bit_cfstring_name(ReferenceValue, info);
6908 return name;
6909 }
6910
6911 if (selref && pointer_value == 0)
6912 pointer_value = get_objc2_64bit_selref(ReferenceValue, info);
6913
6914 if (pointer_value != 0)
6915 ReferenceValue = pointer_value;
6916
6917 const char *name = GuessCstringPointer(ReferenceValue, info);
6918 if (name) {
6919 if (pointer_value != 0 && selref) {
6920 *ReferenceType = LLVMDisassembler_ReferenceType_Out_Objc_Selector_Ref;
6921 info->selector_name = name;
6922 } else if (pointer_value != 0 && msgref) {
6923 info->class_name = nullptr;
6924 *ReferenceType = LLVMDisassembler_ReferenceType_Out_Objc_Message_Ref;
6925 info->selector_name = name;
6926 } else
6927 *ReferenceType = LLVMDisassembler_ReferenceType_Out_LitPool_CstrAddr;
6928 return name;
6929 }
6930
6931 // Lastly look for an indirect symbol with this ReferenceValue which is in
6932 // a literal pool. If found return that symbol name.
6933 name = GuessIndirectSymbol(ReferenceValue, info);
6934 if (name) {
6935 *ReferenceType = LLVMDisassembler_ReferenceType_Out_LitPool_SymAddr;
6936 return name;
6937 }
6938
6939 return nullptr;
6940}
6941
6942// SymbolizerSymbolLookUp is the symbol lookup function passed when creating
6943// the Symbolizer. It looks up the ReferenceValue using the info passed via the
6944// pointer to the struct DisassembleInfo that was passed when MCSymbolizer
6945// is created and returns the symbol name that matches the ReferenceValue or
6946// nullptr if none. The ReferenceType is passed in for the IN type of
6947// reference the instruction is making from the values in defined in the header
6948// "llvm-c/Disassembler.h". On return the ReferenceType can set to a specific
6949// Out type and the ReferenceName will also be set which is added as a comment
6950// to the disassembled instruction.
6951//
6952// If the symbol name is a C++ mangled name then the demangled name is
6953// returned through ReferenceName and ReferenceType is set to
6954// LLVMDisassembler_ReferenceType_DeMangled_Name .
6955//
6956// When this is called to get a symbol name for a branch target then the
6957// ReferenceType will be LLVMDisassembler_ReferenceType_In_Branch and then
6958// SymbolValue will be looked for in the indirect symbol table to determine if
6959// it is an address for a symbol stub. If so then the symbol name for that
6960// stub is returned indirectly through ReferenceName and then ReferenceType is
6961// set to LLVMDisassembler_ReferenceType_Out_SymbolStub.
6962//
6963// When this is called with an value loaded via a PC relative load then
6964// ReferenceType will be LLVMDisassembler_ReferenceType_In_PCrel_Load then the
6965// SymbolValue is checked to be an address of literal pointer, symbol pointer,
6966// or an Objective-C meta data reference. If so the output ReferenceType is
6967// set to correspond to that as well as setting the ReferenceName.
6968static const char *SymbolizerSymbolLookUp(void *DisInfo,
6969 uint64_t ReferenceValue,
6970 uint64_t *ReferenceType,
6971 uint64_t ReferencePC,
6972 const char **ReferenceName) {
6973 struct DisassembleInfo *info = (struct DisassembleInfo *)DisInfo;
6974 // If no verbose symbolic information is wanted then just return nullptr.
6975 if (!info->verbose) {
6976 *ReferenceName = nullptr;
6977 *ReferenceType = LLVMDisassembler_ReferenceType_InOut_None;
6978 return nullptr;
6979 }
6980
6981 const char *SymbolName = GuessSymbolName(value: ReferenceValue, AddrMap: info->AddrMap);
6982
6983 if (*ReferenceType == LLVMDisassembler_ReferenceType_In_Branch) {
6984 *ReferenceName = GuessIndirectSymbol(ReferenceValue, info);
6985 if (*ReferenceName != nullptr) {
6986 method_reference(info, ReferenceType, ReferenceName);
6987 if (*ReferenceType != LLVMDisassembler_ReferenceType_Out_Objc_Message)
6988 *ReferenceType = LLVMDisassembler_ReferenceType_Out_SymbolStub;
6989 } else if (SymbolName != nullptr && strncmp(s1: SymbolName, s2: "__Z", n: 3) == 0) {
6990 if (info->demangled_name != nullptr)
6991 free(ptr: info->demangled_name);
6992 info->demangled_name = itaniumDemangle(mangled_name: SymbolName + 1);
6993 if (info->demangled_name != nullptr) {
6994 *ReferenceName = info->demangled_name;
6995 *ReferenceType = LLVMDisassembler_ReferenceType_DeMangled_Name;
6996 } else
6997 *ReferenceType = LLVMDisassembler_ReferenceType_InOut_None;
6998 } else
6999 *ReferenceType = LLVMDisassembler_ReferenceType_InOut_None;
7000 } else if (*ReferenceType == LLVMDisassembler_ReferenceType_In_PCrel_Load) {
7001 *ReferenceName =
7002 GuessLiteralPointer(ReferenceValue, ReferencePC, ReferenceType, info);
7003 if (*ReferenceName)
7004 method_reference(info, ReferenceType, ReferenceName);
7005 else
7006 *ReferenceType = LLVMDisassembler_ReferenceType_InOut_None;
7007 // If this is arm64 and the reference is an adrp instruction save the
7008 // instruction, passed in ReferenceValue and the address of the instruction
7009 // for use later if we see and add immediate instruction.
7010 } else if (info->O->getArch() == Triple::aarch64 &&
7011 *ReferenceType == LLVMDisassembler_ReferenceType_In_ARM64_ADRP) {
7012 info->adrp_inst = ReferenceValue;
7013 info->adrp_addr = ReferencePC;
7014 SymbolName = nullptr;
7015 *ReferenceName = nullptr;
7016 *ReferenceType = LLVMDisassembler_ReferenceType_InOut_None;
7017 // If this is arm64 and reference is an add immediate instruction and we
7018 // have
7019 // seen an adrp instruction just before it and the adrp's Xd register
7020 // matches
7021 // this add's Xn register reconstruct the value being referenced and look to
7022 // see if it is a literal pointer. Note the add immediate instruction is
7023 // passed in ReferenceValue.
7024 } else if (info->O->getArch() == Triple::aarch64 &&
7025 *ReferenceType == LLVMDisassembler_ReferenceType_In_ARM64_ADDXri &&
7026 ReferencePC - 4 == info->adrp_addr &&
7027 (info->adrp_inst & 0x9f000000) == 0x90000000 &&
7028 (info->adrp_inst & 0x1f) == ((ReferenceValue >> 5) & 0x1f)) {
7029 uint32_t addxri_inst;
7030 uint64_t adrp_imm, addxri_imm;
7031
7032 adrp_imm =
7033 ((info->adrp_inst & 0x00ffffe0) >> 3) | ((info->adrp_inst >> 29) & 0x3);
7034 if (info->adrp_inst & 0x0200000)
7035 adrp_imm |= 0xfffffffffc000000LL;
7036
7037 addxri_inst = ReferenceValue;
7038 addxri_imm = (addxri_inst >> 10) & 0xfff;
7039 if (((addxri_inst >> 22) & 0x3) == 1)
7040 addxri_imm <<= 12;
7041
7042 ReferenceValue = (info->adrp_addr & 0xfffffffffffff000LL) +
7043 (adrp_imm << 12) + addxri_imm;
7044
7045 *ReferenceName =
7046 GuessLiteralPointer(ReferenceValue, ReferencePC, ReferenceType, info);
7047 if (*ReferenceName == nullptr)
7048 *ReferenceType = LLVMDisassembler_ReferenceType_InOut_None;
7049 // If this is arm64 and the reference is a load register instruction and we
7050 // have seen an adrp instruction just before it and the adrp's Xd register
7051 // matches this add's Xn register reconstruct the value being referenced and
7052 // look to see if it is a literal pointer. Note the load register
7053 // instruction is passed in ReferenceValue.
7054 } else if (info->O->getArch() == Triple::aarch64 &&
7055 *ReferenceType == LLVMDisassembler_ReferenceType_In_ARM64_LDRXui &&
7056 ReferencePC - 4 == info->adrp_addr &&
7057 (info->adrp_inst & 0x9f000000) == 0x90000000 &&
7058 (info->adrp_inst & 0x1f) == ((ReferenceValue >> 5) & 0x1f)) {
7059 uint32_t ldrxui_inst;
7060 uint64_t adrp_imm, ldrxui_imm;
7061
7062 adrp_imm =
7063 ((info->adrp_inst & 0x00ffffe0) >> 3) | ((info->adrp_inst >> 29) & 0x3);
7064 if (info->adrp_inst & 0x0200000)
7065 adrp_imm |= 0xfffffffffc000000LL;
7066
7067 ldrxui_inst = ReferenceValue;
7068 ldrxui_imm = (ldrxui_inst >> 10) & 0xfff;
7069
7070 ReferenceValue = (info->adrp_addr & 0xfffffffffffff000LL) +
7071 (adrp_imm << 12) + (ldrxui_imm << 3);
7072
7073 *ReferenceName =
7074 GuessLiteralPointer(ReferenceValue, ReferencePC, ReferenceType, info);
7075 if (*ReferenceName == nullptr)
7076 *ReferenceType = LLVMDisassembler_ReferenceType_InOut_None;
7077 }
7078 // If this arm64 and is an load register (PC-relative) instruction the
7079 // ReferenceValue is the PC plus the immediate value.
7080 else if (info->O->getArch() == Triple::aarch64 &&
7081 (*ReferenceType == LLVMDisassembler_ReferenceType_In_ARM64_LDRXl ||
7082 *ReferenceType == LLVMDisassembler_ReferenceType_In_ARM64_ADR)) {
7083 *ReferenceName =
7084 GuessLiteralPointer(ReferenceValue, ReferencePC, ReferenceType, info);
7085 if (*ReferenceName == nullptr)
7086 *ReferenceType = LLVMDisassembler_ReferenceType_InOut_None;
7087 } else if (SymbolName != nullptr && strncmp(s1: SymbolName, s2: "__Z", n: 3) == 0) {
7088 if (info->demangled_name != nullptr)
7089 free(ptr: info->demangled_name);
7090 info->demangled_name = itaniumDemangle(mangled_name: SymbolName + 1);
7091 if (info->demangled_name != nullptr) {
7092 *ReferenceName = info->demangled_name;
7093 *ReferenceType = LLVMDisassembler_ReferenceType_DeMangled_Name;
7094 }
7095 }
7096 else {
7097 *ReferenceName = nullptr;
7098 *ReferenceType = LLVMDisassembler_ReferenceType_InOut_None;
7099 }
7100
7101 return SymbolName;
7102}
7103
7104/// Emits the comments that are stored in the CommentStream.
7105/// Each comment in the CommentStream must end with a newline.
7106static void emitComments(raw_svector_ostream &CommentStream,
7107 SmallString<128> &CommentsToEmit,
7108 formatted_raw_ostream &FormattedOS,
7109 const MCAsmInfo &MAI) {
7110 // Flush the stream before taking its content.
7111 StringRef Comments = CommentsToEmit.str();
7112 // Get the default information for printing a comment.
7113 StringRef CommentBegin = MAI.getCommentString();
7114 unsigned CommentColumn = MAI.getCommentColumn();
7115 ListSeparator LS("\n");
7116 while (!Comments.empty()) {
7117 FormattedOS << LS;
7118 // Emit a line of comments.
7119 FormattedOS.PadToColumn(NewCol: CommentColumn);
7120 size_t Position = Comments.find(C: '\n');
7121 FormattedOS << CommentBegin << ' ' << Comments.substr(Start: 0, N: Position);
7122 // Move after the newline character.
7123 Comments = Comments.substr(Start: Position + 1);
7124 }
7125 FormattedOS.flush();
7126
7127 // Tell the comment stream that the vector changed underneath it.
7128 CommentsToEmit.clear();
7129}
7130
7131const MachOObjectFile *
7132objdump::getMachODSymObject(const MachOObjectFile *MachOOF, StringRef Filename,
7133 std::unique_ptr<Binary> &DSYMBinary,
7134 std::unique_ptr<MemoryBuffer> &DSYMBuf) {
7135 const MachOObjectFile *DbgObj = MachOOF;
7136 std::string DSYMPath;
7137
7138 // Auto-detect w/o --dsym.
7139 if (DSYMFile.empty()) {
7140 sys::fs::file_status DSYMStatus;
7141 Twine FilenameDSYM = Filename + ".dSYM";
7142 if (!status(path: FilenameDSYM, result&: DSYMStatus)) {
7143 if (sys::fs::is_directory(status: DSYMStatus)) {
7144 SmallString<1024> Path;
7145 FilenameDSYM.toVector(Out&: Path);
7146 sys::path::append(path&: Path, a: "Contents", b: "Resources", c: "DWARF",
7147 d: sys::path::filename(path: Filename));
7148 DSYMPath = std::string(Path);
7149 } else if (sys::fs::is_regular_file(status: DSYMStatus)) {
7150 DSYMPath = FilenameDSYM.str();
7151 }
7152 }
7153 }
7154
7155 if (DSYMPath.empty() && !DSYMFile.empty()) {
7156 // If DSYMPath is a .dSYM directory, append the Mach-O file.
7157 if (sys::fs::is_directory(Path: DSYMFile) &&
7158 sys::path::extension(path: DSYMFile) == ".dSYM") {
7159 SmallString<128> ShortName(sys::path::filename(path: DSYMFile));
7160 sys::path::replace_extension(path&: ShortName, extension: "");
7161 SmallString<1024> FullPath(DSYMFile);
7162 sys::path::append(path&: FullPath, a: "Contents", b: "Resources", c: "DWARF", d: ShortName);
7163 DSYMPath = FullPath.str();
7164 } else {
7165 DSYMPath = DSYMFile;
7166 }
7167 }
7168
7169 if (!DSYMPath.empty()) {
7170 // Load the file.
7171 ErrorOr<std::unique_ptr<MemoryBuffer>> BufOrErr =
7172 MemoryBuffer::getFileOrSTDIN(Filename: DSYMPath);
7173 if (std::error_code EC = BufOrErr.getError()) {
7174 reportError(E: errorCodeToError(EC), FileName: DSYMPath);
7175 return nullptr;
7176 }
7177
7178 // We need to keep the file alive, because we're replacing DbgObj with it.
7179 DSYMBuf = std::move(BufOrErr.get());
7180
7181 Expected<std::unique_ptr<Binary>> BinaryOrErr =
7182 createBinary(Source: DSYMBuf->getMemBufferRef());
7183 if (!BinaryOrErr) {
7184 reportError(E: BinaryOrErr.takeError(), FileName: DSYMPath);
7185 return nullptr;
7186 }
7187
7188 // We need to keep the Binary alive with the buffer
7189 DSYMBinary = std::move(BinaryOrErr.get());
7190 if (ObjectFile *O = dyn_cast<ObjectFile>(Val: DSYMBinary.get())) {
7191 // this is a Mach-O object file, use it
7192 if (MachOObjectFile *MachDSYM = dyn_cast<MachOObjectFile>(Val: &*O)) {
7193 DbgObj = MachDSYM;
7194 } else {
7195 WithColor::error(OS&: errs(), Prefix: "llvm-objdump")
7196 << DSYMPath << " is not a Mach-O file type.\n";
7197 return nullptr;
7198 }
7199 } else if (auto *UB = dyn_cast<MachOUniversalBinary>(Val: DSYMBinary.get())) {
7200 // this is a Universal Binary, find a Mach-O for this architecture
7201 uint32_t CPUType, CPUSubType;
7202 const char *ArchFlag;
7203 if (MachOOF->is64Bit()) {
7204 const MachO::mach_header_64 H_64 = MachOOF->getHeader64();
7205 CPUType = H_64.cputype;
7206 CPUSubType = H_64.cpusubtype;
7207 } else {
7208 const MachO::mach_header H = MachOOF->getHeader();
7209 CPUType = H.cputype;
7210 CPUSubType = H.cpusubtype;
7211 }
7212 Triple T = MachOObjectFile::getArchTriple(CPUType, CPUSubType, McpuDefault: nullptr,
7213 ArchFlag: &ArchFlag);
7214 Expected<std::unique_ptr<MachOObjectFile>> MachDSYM =
7215 UB->getMachOObjectForArch(ArchName: ArchFlag);
7216 if (!MachDSYM) {
7217 reportError(E: MachDSYM.takeError(), FileName: DSYMPath);
7218 return nullptr;
7219 }
7220
7221 // We need to keep the Binary alive with the buffer
7222 DbgObj = &*MachDSYM.get();
7223 DSYMBinary = std::move(*MachDSYM);
7224 } else {
7225 WithColor::error(OS&: errs(), Prefix: "llvm-objdump")
7226 << DSYMPath << " is not a Mach-O or Universal file type.\n";
7227 return nullptr;
7228 }
7229 }
7230 return DbgObj;
7231}
7232
7233static void DisassembleMachO(StringRef Filename, MachOObjectFile *MachOOF,
7234 StringRef DisSegName, StringRef DisSectName) {
7235 const char *McpuDefault = nullptr;
7236 const Target *ThumbTarget = nullptr;
7237 const Target *TheTarget = GetTarget(MachOObj: MachOOF, McpuDefault: &McpuDefault, ThumbTarget: &ThumbTarget);
7238 if (!TheTarget) {
7239 // GetTarget prints out stuff.
7240 return;
7241 }
7242 std::string MachOMCPU;
7243 if (MCPU.empty() && McpuDefault)
7244 MachOMCPU = McpuDefault;
7245 else
7246 MachOMCPU = MCPU;
7247
7248#define CHECK_TARGET_INFO_CREATION(NAME) \
7249 do { \
7250 if (!NAME) { \
7251 WithColor::error(errs(), "llvm-objdump") \
7252 << "couldn't initialize disassembler for target " << TripleName \
7253 << '\n'; \
7254 return; \
7255 } \
7256 } while (false)
7257#define CHECK_THUMB_TARGET_INFO_CREATION(NAME) \
7258 do { \
7259 if (!NAME) { \
7260 WithColor::error(errs(), "llvm-objdump") \
7261 << "couldn't initialize disassembler for target " << ThumbTripleName \
7262 << '\n'; \
7263 return; \
7264 } \
7265 } while (false)
7266
7267 std::unique_ptr<const MCInstrInfo> InstrInfo(TheTarget->createMCInstrInfo());
7268 CHECK_TARGET_INFO_CREATION(InstrInfo);
7269 std::unique_ptr<const MCInstrInfo> ThumbInstrInfo;
7270 if (ThumbTarget) {
7271 ThumbInstrInfo.reset(p: ThumbTarget->createMCInstrInfo());
7272 CHECK_THUMB_TARGET_INFO_CREATION(ThumbInstrInfo);
7273 }
7274
7275 // Package up features to be passed to target/subtarget
7276 std::string FeaturesStr;
7277 if (!MAttrs.empty()) {
7278 SubtargetFeatures Features;
7279 for (unsigned i = 0; i != MAttrs.size(); ++i)
7280 Features.AddFeature(String: MAttrs[i]);
7281 FeaturesStr = Features.getString();
7282 }
7283
7284 MCTargetOptions MCOptions;
7285 // Set up disassembler.
7286 std::unique_ptr<const MCRegisterInfo> MRI(
7287 TheTarget->createMCRegInfo(TT: TripleName));
7288 CHECK_TARGET_INFO_CREATION(MRI);
7289 std::unique_ptr<const MCAsmInfo> AsmInfo(
7290 TheTarget->createMCAsmInfo(MRI: *MRI, TheTriple: TripleName, Options: MCOptions));
7291 CHECK_TARGET_INFO_CREATION(AsmInfo);
7292 std::unique_ptr<const MCSubtargetInfo> STI(
7293 TheTarget->createMCSubtargetInfo(TheTriple: TripleName, CPU: MachOMCPU, Features: FeaturesStr));
7294 CHECK_TARGET_INFO_CREATION(STI);
7295 MCContext Ctx(Triple(TripleName), AsmInfo.get(), MRI.get(), STI.get());
7296 std::unique_ptr<MCDisassembler> DisAsm(
7297 TheTarget->createMCDisassembler(STI: *STI, Ctx));
7298 CHECK_TARGET_INFO_CREATION(DisAsm);
7299 std::unique_ptr<MCSymbolizer> Symbolizer;
7300 struct DisassembleInfo SymbolizerInfo(nullptr, nullptr, nullptr, false);
7301 std::unique_ptr<MCRelocationInfo> RelInfo(
7302 TheTarget->createMCRelocationInfo(TT: TripleName, Ctx));
7303 if (RelInfo) {
7304 Symbolizer.reset(p: TheTarget->createMCSymbolizer(
7305 TT: TripleName, GetOpInfo: SymbolizerGetOpInfo, SymbolLookUp: SymbolizerSymbolLookUp,
7306 DisInfo: &SymbolizerInfo, Ctx: &Ctx, RelInfo: std::move(RelInfo)));
7307 DisAsm->setSymbolizer(std::move(Symbolizer));
7308 }
7309 int AsmPrinterVariant = AsmInfo->getAssemblerDialect();
7310 std::unique_ptr<MCInstPrinter> IP(TheTarget->createMCInstPrinter(
7311 T: Triple(TripleName), SyntaxVariant: AsmPrinterVariant, MAI: *AsmInfo, MII: *InstrInfo, MRI: *MRI));
7312 CHECK_TARGET_INFO_CREATION(IP);
7313 // Set the display preference for hex vs. decimal immediates.
7314 IP->setPrintImmHex(PrintImmHex);
7315 // Comment stream and backing vector.
7316 SmallString<128> CommentsToEmit;
7317 raw_svector_ostream CommentStream(CommentsToEmit);
7318 // FIXME: Setting the CommentStream in the InstPrinter is problematic in that
7319 // if it is done then arm64 comments for string literals don't get printed
7320 // and some constant get printed instead and not setting it causes intel
7321 // (32-bit and 64-bit) comments printed with different spacing before the
7322 // comment causing different diffs with the 'C' disassembler library API.
7323 // IP->setCommentStream(CommentStream);
7324
7325 // Set up separate thumb disassembler if needed.
7326 std::unique_ptr<const MCRegisterInfo> ThumbMRI;
7327 std::unique_ptr<const MCAsmInfo> ThumbAsmInfo;
7328 std::unique_ptr<const MCSubtargetInfo> ThumbSTI;
7329 std::unique_ptr<MCDisassembler> ThumbDisAsm;
7330 std::unique_ptr<MCInstPrinter> ThumbIP;
7331 std::unique_ptr<MCContext> ThumbCtx;
7332 std::unique_ptr<MCSymbolizer> ThumbSymbolizer;
7333 struct DisassembleInfo ThumbSymbolizerInfo(nullptr, nullptr, nullptr, false);
7334 std::unique_ptr<MCRelocationInfo> ThumbRelInfo;
7335 if (ThumbTarget) {
7336 ThumbMRI.reset(p: ThumbTarget->createMCRegInfo(TT: ThumbTripleName));
7337 CHECK_THUMB_TARGET_INFO_CREATION(ThumbMRI);
7338 ThumbAsmInfo.reset(
7339 p: ThumbTarget->createMCAsmInfo(MRI: *ThumbMRI, TheTriple: ThumbTripleName, Options: MCOptions));
7340 CHECK_THUMB_TARGET_INFO_CREATION(ThumbAsmInfo);
7341 ThumbSTI.reset(
7342 p: ThumbTarget->createMCSubtargetInfo(TheTriple: ThumbTripleName, CPU: MachOMCPU,
7343 Features: FeaturesStr));
7344 CHECK_THUMB_TARGET_INFO_CREATION(ThumbSTI);
7345 ThumbCtx.reset(p: new MCContext(Triple(ThumbTripleName), ThumbAsmInfo.get(),
7346 ThumbMRI.get(), ThumbSTI.get()));
7347 ThumbDisAsm.reset(p: ThumbTarget->createMCDisassembler(STI: *ThumbSTI, Ctx&: *ThumbCtx));
7348 CHECK_THUMB_TARGET_INFO_CREATION(ThumbDisAsm);
7349 MCContext *PtrThumbCtx = ThumbCtx.get();
7350 ThumbRelInfo.reset(
7351 p: ThumbTarget->createMCRelocationInfo(TT: ThumbTripleName, Ctx&: *PtrThumbCtx));
7352 if (ThumbRelInfo) {
7353 ThumbSymbolizer.reset(p: ThumbTarget->createMCSymbolizer(
7354 TT: ThumbTripleName, GetOpInfo: SymbolizerGetOpInfo, SymbolLookUp: SymbolizerSymbolLookUp,
7355 DisInfo: &ThumbSymbolizerInfo, Ctx: PtrThumbCtx, RelInfo: std::move(ThumbRelInfo)));
7356 ThumbDisAsm->setSymbolizer(std::move(ThumbSymbolizer));
7357 }
7358 int ThumbAsmPrinterVariant = ThumbAsmInfo->getAssemblerDialect();
7359 ThumbIP.reset(p: ThumbTarget->createMCInstPrinter(
7360 T: Triple(ThumbTripleName), SyntaxVariant: ThumbAsmPrinterVariant, MAI: *ThumbAsmInfo,
7361 MII: *ThumbInstrInfo, MRI: *ThumbMRI));
7362 CHECK_THUMB_TARGET_INFO_CREATION(ThumbIP);
7363 // Set the display preference for hex vs. decimal immediates.
7364 ThumbIP->setPrintImmHex(PrintImmHex);
7365 }
7366
7367#undef CHECK_TARGET_INFO_CREATION
7368#undef CHECK_THUMB_TARGET_INFO_CREATION
7369
7370 MachO::mach_header Header = MachOOF->getHeader();
7371
7372 // FIXME: Using the -cfg command line option, this code used to be able to
7373 // annotate relocations with the referenced symbol's name, and if this was
7374 // inside a __[cf]string section, the data it points to. This is now replaced
7375 // by the upcoming MCSymbolizer, which needs the appropriate setup done above.
7376 std::vector<SectionRef> Sections;
7377 std::vector<SymbolRef> Symbols;
7378 SmallVector<uint64_t, 8> FoundFns;
7379 uint64_t BaseSegmentAddress = 0;
7380
7381 getSectionsAndSymbols(MachOObj: MachOOF, Sections, Symbols, FoundFns,
7382 BaseSegmentAddress);
7383
7384 // Sort the symbols by address, just in case they didn't come in that way.
7385 llvm::stable_sort(Range&: Symbols, C: SymbolSorter());
7386
7387 // Build a data in code table that is sorted on by the address of each entry.
7388 uint64_t BaseAddress = 0;
7389 if (Header.filetype == MachO::MH_OBJECT)
7390 BaseAddress = Sections[0].getAddress();
7391 else
7392 BaseAddress = BaseSegmentAddress;
7393 DiceTable Dices;
7394 for (dice_iterator DI = MachOOF->begin_dices(), DE = MachOOF->end_dices();
7395 DI != DE; ++DI) {
7396 uint32_t Offset;
7397 DI->getOffset(Result&: Offset);
7398 Dices.push_back(x: std::make_pair(x: BaseAddress + Offset, y: *DI));
7399 }
7400 array_pod_sort(Start: Dices.begin(), End: Dices.end());
7401
7402 // Try to find debug info and set up the DIContext for it.
7403 std::unique_ptr<DIContext> diContext;
7404 std::unique_ptr<Binary> DSYMBinary;
7405 std::unique_ptr<MemoryBuffer> DSYMBuf;
7406 if (UseDbg) {
7407 // If separate DSym file path was specified, parse it as a macho file,
7408 // get the sections and supply it to the section name parsing machinery.
7409 if (const ObjectFile *DbgObj =
7410 getMachODSymObject(MachOOF, Filename, DSYMBinary, DSYMBuf)) {
7411 // Setup the DIContext
7412 diContext = DWARFContext::create(Obj: *DbgObj);
7413 } else {
7414 return;
7415 }
7416 }
7417
7418 if (FilterSections.empty())
7419 outs() << "(" << DisSegName << "," << DisSectName << ") section\n";
7420
7421 for (unsigned SectIdx = 0; SectIdx != Sections.size(); SectIdx++) {
7422 Expected<StringRef> SecNameOrErr = Sections[SectIdx].getName();
7423 if (!SecNameOrErr) {
7424 consumeError(Err: SecNameOrErr.takeError());
7425 continue;
7426 }
7427 if (*SecNameOrErr != DisSectName)
7428 continue;
7429
7430 DataRefImpl DR = Sections[SectIdx].getRawDataRefImpl();
7431
7432 StringRef SegmentName = MachOOF->getSectionFinalSegmentName(Sec: DR);
7433 if (SegmentName != DisSegName)
7434 continue;
7435
7436 StringRef BytesStr =
7437 unwrapOrError(EO: Sections[SectIdx].getContents(), Args&: Filename);
7438 ArrayRef<uint8_t> Bytes = arrayRefFromStringRef(Input: BytesStr);
7439 uint64_t SectAddress = Sections[SectIdx].getAddress();
7440
7441 bool symbolTableWorked = false;
7442
7443 // Create a map of symbol addresses to symbol names for use by
7444 // the SymbolizerSymbolLookUp() routine.
7445 SymbolAddressMap AddrMap;
7446 bool DisSymNameFound = false;
7447 for (const SymbolRef &Symbol : MachOOF->symbols()) {
7448 SymbolRef::Type ST =
7449 unwrapOrError(EO: Symbol.getType(), Args: MachOOF->getFileName());
7450 if (ST == SymbolRef::ST_Function || ST == SymbolRef::ST_Data ||
7451 ST == SymbolRef::ST_Other) {
7452 uint64_t Address = cantFail(ValOrErr: Symbol.getValue());
7453 StringRef SymName =
7454 unwrapOrError(EO: Symbol.getName(), Args: MachOOF->getFileName());
7455 AddrMap[Address] = SymName;
7456 if (!DisSymName.empty() && DisSymName == SymName)
7457 DisSymNameFound = true;
7458 }
7459 }
7460 if (!DisSymName.empty() && !DisSymNameFound) {
7461 outs() << "Can't find -dis-symname: " << DisSymName << "\n";
7462 return;
7463 }
7464 // Set up the block of info used by the Symbolizer call backs.
7465 SymbolizerInfo.verbose = SymbolicOperands;
7466 SymbolizerInfo.O = MachOOF;
7467 SymbolizerInfo.S = Sections[SectIdx];
7468 SymbolizerInfo.AddrMap = &AddrMap;
7469 SymbolizerInfo.Sections = &Sections;
7470 // Same for the ThumbSymbolizer
7471 ThumbSymbolizerInfo.verbose = SymbolicOperands;
7472 ThumbSymbolizerInfo.O = MachOOF;
7473 ThumbSymbolizerInfo.S = Sections[SectIdx];
7474 ThumbSymbolizerInfo.AddrMap = &AddrMap;
7475 ThumbSymbolizerInfo.Sections = &Sections;
7476
7477 unsigned int Arch = MachOOF->getArch();
7478
7479 // Skip all symbols if this is a stubs file.
7480 if (Bytes.empty())
7481 return;
7482
7483 // If the section has symbols but no symbol at the start of the section
7484 // these are used to make sure the bytes before the first symbol are
7485 // disassembled.
7486 bool FirstSymbol = true;
7487 bool FirstSymbolAtSectionStart = true;
7488
7489 // Disassemble symbol by symbol.
7490 for (unsigned SymIdx = 0; SymIdx != Symbols.size(); SymIdx++) {
7491 StringRef SymName =
7492 unwrapOrError(EO: Symbols[SymIdx].getName(), Args: MachOOF->getFileName());
7493 SymbolRef::Type ST =
7494 unwrapOrError(EO: Symbols[SymIdx].getType(), Args: MachOOF->getFileName());
7495 if (ST != SymbolRef::ST_Function && ST != SymbolRef::ST_Data)
7496 continue;
7497
7498 // Make sure the symbol is defined in this section.
7499 bool containsSym = Sections[SectIdx].containsSymbol(S: Symbols[SymIdx]);
7500 if (!containsSym) {
7501 if (!DisSymName.empty() && DisSymName == SymName) {
7502 outs() << "-dis-symname: " << DisSymName << " not in the section\n";
7503 return;
7504 }
7505 continue;
7506 }
7507 // The __mh_execute_header is special and we need to deal with that fact
7508 // this symbol is before the start of the (__TEXT,__text) section and at the
7509 // address of the start of the __TEXT segment. This is because this symbol
7510 // is an N_SECT symbol in the (__TEXT,__text) but its address is before the
7511 // start of the section in a standard MH_EXECUTE filetype.
7512 if (!DisSymName.empty() && DisSymName == "__mh_execute_header") {
7513 outs() << "-dis-symname: __mh_execute_header not in any section\n";
7514 return;
7515 }
7516 // When this code is trying to disassemble a symbol at a time and in the
7517 // case there is only the __mh_execute_header symbol left as in a stripped
7518 // executable, we need to deal with this by ignoring this symbol so the
7519 // whole section is disassembled and this symbol is then not displayed.
7520 if (SymName == "__mh_execute_header" || SymName == "__mh_dylib_header" ||
7521 SymName == "__mh_bundle_header" || SymName == "__mh_object_header" ||
7522 SymName == "__mh_preload_header" || SymName == "__mh_dylinker_header")
7523 continue;
7524
7525 // If we are only disassembling one symbol see if this is that symbol.
7526 if (!DisSymName.empty() && DisSymName != SymName)
7527 continue;
7528
7529 // Start at the address of the symbol relative to the section's address.
7530 uint64_t SectSize = Sections[SectIdx].getSize();
7531 uint64_t Start = cantFail(ValOrErr: Symbols[SymIdx].getValue());
7532 uint64_t SectionAddress = Sections[SectIdx].getAddress();
7533 Start -= SectionAddress;
7534
7535 if (Start > SectSize) {
7536 outs() << "section data ends, " << SymName
7537 << " lies outside valid range\n";
7538 return;
7539 }
7540
7541 // Stop disassembling either at the beginning of the next symbol or at
7542 // the end of the section.
7543 bool containsNextSym = false;
7544 uint64_t NextSym = 0;
7545 uint64_t NextSymIdx = SymIdx + 1;
7546 while (Symbols.size() > NextSymIdx) {
7547 SymbolRef::Type NextSymType = unwrapOrError(
7548 EO: Symbols[NextSymIdx].getType(), Args: MachOOF->getFileName());
7549 if (NextSymType == SymbolRef::ST_Function) {
7550 containsNextSym =
7551 Sections[SectIdx].containsSymbol(S: Symbols[NextSymIdx]);
7552 NextSym = cantFail(ValOrErr: Symbols[NextSymIdx].getValue());
7553 NextSym -= SectionAddress;
7554 break;
7555 }
7556 ++NextSymIdx;
7557 }
7558
7559 uint64_t End = containsNextSym ? std::min(a: NextSym, b: SectSize) : SectSize;
7560 uint64_t Size;
7561
7562 symbolTableWorked = true;
7563
7564 DataRefImpl Symb = Symbols[SymIdx].getRawDataRefImpl();
7565 uint32_t SymbolFlags = cantFail(ValOrErr: MachOOF->getSymbolFlags(Symb));
7566 bool IsThumb = SymbolFlags & SymbolRef::SF_Thumb;
7567
7568 // We only need the dedicated Thumb target if there's a real choice
7569 // (i.e. we're not targeting M-class) and the function is Thumb.
7570 bool UseThumbTarget = IsThumb && ThumbTarget;
7571
7572 // If we are not specifying a symbol to start disassembly with and this
7573 // is the first symbol in the section but not at the start of the section
7574 // then move the disassembly index to the start of the section and
7575 // don't print the symbol name just yet. This is so the bytes before the
7576 // first symbol are disassembled.
7577 uint64_t SymbolStart = Start;
7578 if (DisSymName.empty() && FirstSymbol && Start != 0) {
7579 FirstSymbolAtSectionStart = false;
7580 Start = 0;
7581 }
7582 else
7583 outs() << SymName << ":\n";
7584
7585 DILineInfo lastLine;
7586 for (uint64_t Index = Start; Index < End; Index += Size) {
7587 MCInst Inst;
7588
7589 // If this is the first symbol in the section and it was not at the
7590 // start of the section, see if we are at its Index now and if so print
7591 // the symbol name.
7592 if (FirstSymbol && !FirstSymbolAtSectionStart && Index == SymbolStart)
7593 outs() << SymName << ":\n";
7594
7595 uint64_t PC = SectAddress + Index;
7596 if (LeadingAddr) {
7597 if (FullLeadingAddr) {
7598 if (MachOOF->is64Bit())
7599 outs() << format(Fmt: "%016" PRIx64, Vals: PC);
7600 else
7601 outs() << format(Fmt: "%08" PRIx64, Vals: PC);
7602 } else {
7603 outs() << format(Fmt: "%8" PRIx64 ":", Vals: PC);
7604 }
7605 }
7606 if (ShowRawInsn || Arch == Triple::arm)
7607 outs() << "\t";
7608
7609 if (DumpAndSkipDataInCode(PC, bytes: Bytes.data() + Index, Dices, InstSize&: Size))
7610 continue;
7611
7612 SmallVector<char, 64> AnnotationsBytes;
7613 raw_svector_ostream Annotations(AnnotationsBytes);
7614
7615 bool gotInst;
7616 if (UseThumbTarget)
7617 gotInst = ThumbDisAsm->getInstruction(Instr&: Inst, Size, Bytes: Bytes.slice(N: Index),
7618 Address: PC, CStream&: Annotations);
7619 else
7620 gotInst = DisAsm->getInstruction(Instr&: Inst, Size, Bytes: Bytes.slice(N: Index), Address: PC,
7621 CStream&: Annotations);
7622 if (gotInst) {
7623 if (ShowRawInsn || Arch == Triple::arm) {
7624 dumpBytes(Bytes: ArrayRef(Bytes.data() + Index, Size), OS&: outs());
7625 }
7626 formatted_raw_ostream FormattedOS(outs());
7627 StringRef AnnotationsStr = Annotations.str();
7628 if (UseThumbTarget)
7629 ThumbIP->printInst(MI: &Inst, Address: PC, Annot: AnnotationsStr, STI: *ThumbSTI,
7630 OS&: FormattedOS);
7631 else
7632 IP->printInst(MI: &Inst, Address: PC, Annot: AnnotationsStr, STI: *STI, OS&: FormattedOS);
7633 emitComments(CommentStream, CommentsToEmit, FormattedOS, MAI: *AsmInfo);
7634
7635 // Print debug info.
7636 if (diContext) {
7637 DILineInfo dli = diContext->getLineInfoForAddress(Address: {.Address: PC, .SectionIndex: SectIdx});
7638 // Print valid line info if it changed.
7639 if (dli != lastLine && dli.Line != 0)
7640 outs() << "\t## " << dli.FileName << ':' << dli.Line << ':'
7641 << dli.Column;
7642 lastLine = dli;
7643 }
7644 outs() << "\n";
7645 } else {
7646 if (MachOOF->getArchTriple().isX86()) {
7647 outs() << format(Fmt: "\t.byte 0x%02x #bad opcode\n",
7648 Vals: *(Bytes.data() + Index) & 0xff);
7649 Size = 1; // skip exactly one illegible byte and move on.
7650 } else if (Arch == Triple::aarch64 ||
7651 (Arch == Triple::arm && !IsThumb)) {
7652 uint32_t opcode = (*(Bytes.data() + Index) & 0xff) |
7653 (*(Bytes.data() + Index + 1) & 0xff) << 8 |
7654 (*(Bytes.data() + Index + 2) & 0xff) << 16 |
7655 (*(Bytes.data() + Index + 3) & 0xff) << 24;
7656 outs() << format(Fmt: "\t.long\t0x%08x\n", Vals: opcode);
7657 Size = 4;
7658 } else if (Arch == Triple::arm) {
7659 assert(IsThumb && "ARM mode should have been dealt with above");
7660 uint32_t opcode = (*(Bytes.data() + Index) & 0xff) |
7661 (*(Bytes.data() + Index + 1) & 0xff) << 8;
7662 outs() << format(Fmt: "\t.short\t0x%04x\n", Vals: opcode);
7663 Size = 2;
7664 } else{
7665 WithColor::warning(OS&: errs(), Prefix: "llvm-objdump")
7666 << "invalid instruction encoding\n";
7667 if (Size == 0)
7668 Size = 1; // skip illegible bytes
7669 }
7670 }
7671 }
7672 // Now that we are done disassembled the first symbol set the bool that
7673 // were doing this to false.
7674 FirstSymbol = false;
7675 }
7676 if (!symbolTableWorked) {
7677 // Reading the symbol table didn't work, disassemble the whole section.
7678 uint64_t SectAddress = Sections[SectIdx].getAddress();
7679 uint64_t SectSize = Sections[SectIdx].getSize();
7680 uint64_t InstSize;
7681 for (uint64_t Index = 0; Index < SectSize; Index += InstSize) {
7682 MCInst Inst;
7683
7684 uint64_t PC = SectAddress + Index;
7685
7686 if (DumpAndSkipDataInCode(PC, bytes: Bytes.data() + Index, Dices, InstSize))
7687 continue;
7688
7689 SmallVector<char, 64> AnnotationsBytes;
7690 raw_svector_ostream Annotations(AnnotationsBytes);
7691 if (DisAsm->getInstruction(Instr&: Inst, Size&: InstSize, Bytes: Bytes.slice(N: Index), Address: PC,
7692 CStream&: Annotations)) {
7693 if (LeadingAddr) {
7694 if (FullLeadingAddr) {
7695 if (MachOOF->is64Bit())
7696 outs() << format(Fmt: "%016" PRIx64, Vals: PC);
7697 else
7698 outs() << format(Fmt: "%08" PRIx64, Vals: PC);
7699 } else {
7700 outs() << format(Fmt: "%8" PRIx64 ":", Vals: PC);
7701 }
7702 }
7703 if (ShowRawInsn || Arch == Triple::arm) {
7704 outs() << "\t";
7705 dumpBytes(Bytes: ArrayRef(Bytes.data() + Index, InstSize), OS&: outs());
7706 }
7707 StringRef AnnotationsStr = Annotations.str();
7708 IP->printInst(MI: &Inst, Address: PC, Annot: AnnotationsStr, STI: *STI, OS&: outs());
7709 outs() << "\n";
7710 } else {
7711 if (MachOOF->getArchTriple().isX86()) {
7712 outs() << format(Fmt: "\t.byte 0x%02x #bad opcode\n",
7713 Vals: *(Bytes.data() + Index) & 0xff);
7714 InstSize = 1; // skip exactly one illegible byte and move on.
7715 } else {
7716 WithColor::warning(OS&: errs(), Prefix: "llvm-objdump")
7717 << "invalid instruction encoding\n";
7718 if (InstSize == 0)
7719 InstSize = 1; // skip illegible bytes
7720 }
7721 }
7722 }
7723 }
7724 // The TripleName's need to be reset if we are called again for a different
7725 // architecture.
7726 TripleName = "";
7727 ThumbTripleName = "";
7728
7729 if (SymbolizerInfo.demangled_name != nullptr)
7730 free(ptr: SymbolizerInfo.demangled_name);
7731 if (ThumbSymbolizerInfo.demangled_name != nullptr)
7732 free(ptr: ThumbSymbolizerInfo.demangled_name);
7733 }
7734}
7735
7736//===----------------------------------------------------------------------===//
7737// __compact_unwind section dumping
7738//===----------------------------------------------------------------------===//
7739
7740namespace {
7741
7742template <typename T>
7743static uint64_t read(StringRef Contents, ptrdiff_t Offset) {
7744 if (Offset + sizeof(T) > Contents.size()) {
7745 outs() << "warning: attempt to read past end of buffer\n";
7746 return T();
7747 }
7748
7749 uint64_t Val = support::endian::read<T, llvm::endianness::little>(
7750 Contents.data() + Offset);
7751 return Val;
7752}
7753
7754template <typename T>
7755static uint64_t readNext(StringRef Contents, ptrdiff_t &Offset) {
7756 T Val = read<T>(Contents, Offset);
7757 Offset += sizeof(T);
7758 return Val;
7759}
7760
7761struct CompactUnwindEntry {
7762 uint32_t OffsetInSection;
7763
7764 uint64_t FunctionAddr;
7765 uint32_t Length;
7766 uint32_t CompactEncoding;
7767 uint64_t PersonalityAddr;
7768 uint64_t LSDAAddr;
7769
7770 RelocationRef FunctionReloc;
7771 RelocationRef PersonalityReloc;
7772 RelocationRef LSDAReloc;
7773
7774 CompactUnwindEntry(StringRef Contents, unsigned Offset, bool Is64)
7775 : OffsetInSection(Offset) {
7776 if (Is64)
7777 read<uint64_t>(Contents, Offset);
7778 else
7779 read<uint32_t>(Contents, Offset);
7780 }
7781
7782private:
7783 template <typename UIntPtr> void read(StringRef Contents, ptrdiff_t Offset) {
7784 FunctionAddr = readNext<UIntPtr>(Contents, Offset);
7785 Length = readNext<uint32_t>(Contents, Offset);
7786 CompactEncoding = readNext<uint32_t>(Contents, Offset);
7787 PersonalityAddr = readNext<UIntPtr>(Contents, Offset);
7788 LSDAAddr = readNext<UIntPtr>(Contents, Offset);
7789 }
7790};
7791}
7792
7793/// Given a relocation from __compact_unwind, consisting of the RelocationRef
7794/// and data being relocated, determine the best base Name and Addend to use for
7795/// display purposes.
7796///
7797/// 1. An Extern relocation will directly reference a symbol (and the data is
7798/// then already an addend), so use that.
7799/// 2. Otherwise the data is an offset in the object file's layout; try to find
7800// a symbol before it in the same section, and use the offset from there.
7801/// 3. Finally, if all that fails, fall back to an offset from the start of the
7802/// referenced section.
7803static void findUnwindRelocNameAddend(const MachOObjectFile *Obj,
7804 std::map<uint64_t, SymbolRef> &Symbols,
7805 const RelocationRef &Reloc, uint64_t Addr,
7806 StringRef &Name, uint64_t &Addend) {
7807 if (Reloc.getSymbol() != Obj->symbol_end()) {
7808 Name = unwrapOrError(EO: Reloc.getSymbol()->getName(), Args: Obj->getFileName());
7809 Addend = Addr;
7810 return;
7811 }
7812
7813 auto RE = Obj->getRelocation(Rel: Reloc.getRawDataRefImpl());
7814 SectionRef RelocSection = Obj->getAnyRelocationSection(RE);
7815
7816 uint64_t SectionAddr = RelocSection.getAddress();
7817
7818 auto Sym = Symbols.upper_bound(x: Addr);
7819 if (Sym == Symbols.begin()) {
7820 // The first symbol in the object is after this reference, the best we can
7821 // do is section-relative notation.
7822 if (Expected<StringRef> NameOrErr = RelocSection.getName())
7823 Name = *NameOrErr;
7824 else
7825 consumeError(Err: NameOrErr.takeError());
7826
7827 Addend = Addr - SectionAddr;
7828 return;
7829 }
7830
7831 // Go back one so that SymbolAddress <= Addr.
7832 --Sym;
7833
7834 section_iterator SymSection =
7835 unwrapOrError(EO: Sym->second.getSection(), Args: Obj->getFileName());
7836 if (RelocSection == *SymSection) {
7837 // There's a valid symbol in the same section before this reference.
7838 Name = unwrapOrError(EO: Sym->second.getName(), Args: Obj->getFileName());
7839 Addend = Addr - Sym->first;
7840 return;
7841 }
7842
7843 // There is a symbol before this reference, but it's in a different
7844 // section. Probably not helpful to mention it, so use the section name.
7845 if (Expected<StringRef> NameOrErr = RelocSection.getName())
7846 Name = *NameOrErr;
7847 else
7848 consumeError(Err: NameOrErr.takeError());
7849
7850 Addend = Addr - SectionAddr;
7851}
7852
7853static void printUnwindRelocDest(const MachOObjectFile *Obj,
7854 std::map<uint64_t, SymbolRef> &Symbols,
7855 const RelocationRef &Reloc, uint64_t Addr) {
7856 StringRef Name;
7857 uint64_t Addend;
7858
7859 if (!Reloc.getObject())
7860 return;
7861
7862 findUnwindRelocNameAddend(Obj, Symbols, Reloc, Addr, Name, Addend);
7863
7864 outs() << Name;
7865 if (Addend)
7866 outs() << " + " << format(Fmt: "0x%" PRIx64, Vals: Addend);
7867}
7868
7869static void
7870printMachOCompactUnwindSection(const MachOObjectFile *Obj,
7871 std::map<uint64_t, SymbolRef> &Symbols,
7872 const SectionRef &CompactUnwind) {
7873
7874 if (!Obj->isLittleEndian()) {
7875 outs() << "Skipping big-endian __compact_unwind section\n";
7876 return;
7877 }
7878
7879 bool Is64 = Obj->is64Bit();
7880 uint32_t PointerSize = Is64 ? sizeof(uint64_t) : sizeof(uint32_t);
7881 uint32_t EntrySize = 3 * PointerSize + 2 * sizeof(uint32_t);
7882
7883 StringRef Contents =
7884 unwrapOrError(EO: CompactUnwind.getContents(), Args: Obj->getFileName());
7885 SmallVector<CompactUnwindEntry, 4> CompactUnwinds;
7886
7887 // First populate the initial raw offsets, encodings and so on from the entry.
7888 for (unsigned Offset = 0; Offset < Contents.size(); Offset += EntrySize) {
7889 CompactUnwindEntry Entry(Contents, Offset, Is64);
7890 CompactUnwinds.push_back(Elt: Entry);
7891 }
7892
7893 // Next we need to look at the relocations to find out what objects are
7894 // actually being referred to.
7895 for (const RelocationRef &Reloc : CompactUnwind.relocations()) {
7896 uint64_t RelocAddress = Reloc.getOffset();
7897
7898 uint32_t EntryIdx = RelocAddress / EntrySize;
7899 uint32_t OffsetInEntry = RelocAddress - EntryIdx * EntrySize;
7900 CompactUnwindEntry &Entry = CompactUnwinds[EntryIdx];
7901
7902 if (OffsetInEntry == 0)
7903 Entry.FunctionReloc = Reloc;
7904 else if (OffsetInEntry == PointerSize + 2 * sizeof(uint32_t))
7905 Entry.PersonalityReloc = Reloc;
7906 else if (OffsetInEntry == 2 * PointerSize + 2 * sizeof(uint32_t))
7907 Entry.LSDAReloc = Reloc;
7908 else {
7909 outs() << "Invalid relocation in __compact_unwind section\n";
7910 return;
7911 }
7912 }
7913
7914 // Finally, we're ready to print the data we've gathered.
7915 outs() << "Contents of __compact_unwind section:\n";
7916 for (auto &Entry : CompactUnwinds) {
7917 outs() << " Entry at offset "
7918 << format(Fmt: "0x%" PRIx32, Vals: Entry.OffsetInSection) << ":\n";
7919
7920 // 1. Start of the region this entry applies to.
7921 outs() << " start: " << format(Fmt: "0x%" PRIx64,
7922 Vals: Entry.FunctionAddr) << ' ';
7923 printUnwindRelocDest(Obj, Symbols, Reloc: Entry.FunctionReloc, Addr: Entry.FunctionAddr);
7924 outs() << '\n';
7925
7926 // 2. Length of the region this entry applies to.
7927 outs() << " length: " << format(Fmt: "0x%" PRIx32, Vals: Entry.Length)
7928 << '\n';
7929 // 3. The 32-bit compact encoding.
7930 outs() << " compact encoding: "
7931 << format(Fmt: "0x%08" PRIx32, Vals: Entry.CompactEncoding) << '\n';
7932
7933 // 4. The personality function, if present.
7934 if (Entry.PersonalityReloc.getObject()) {
7935 outs() << " personality function: "
7936 << format(Fmt: "0x%" PRIx64, Vals: Entry.PersonalityAddr) << ' ';
7937 printUnwindRelocDest(Obj, Symbols, Reloc: Entry.PersonalityReloc,
7938 Addr: Entry.PersonalityAddr);
7939 outs() << '\n';
7940 }
7941
7942 // 5. This entry's language-specific data area.
7943 if (Entry.LSDAReloc.getObject()) {
7944 outs() << " LSDA: " << format(Fmt: "0x%" PRIx64,
7945 Vals: Entry.LSDAAddr) << ' ';
7946 printUnwindRelocDest(Obj, Symbols, Reloc: Entry.LSDAReloc, Addr: Entry.LSDAAddr);
7947 outs() << '\n';
7948 }
7949 }
7950}
7951
7952//===----------------------------------------------------------------------===//
7953// __unwind_info section dumping
7954//===----------------------------------------------------------------------===//
7955
7956static void printRegularSecondLevelUnwindPage(StringRef PageData) {
7957 ptrdiff_t Pos = 0;
7958 uint32_t Kind = readNext<uint32_t>(Contents: PageData, Offset&: Pos);
7959 (void)Kind;
7960 assert(Kind == 2 && "kind for a regular 2nd level index should be 2");
7961
7962 uint16_t EntriesStart = readNext<uint16_t>(Contents: PageData, Offset&: Pos);
7963 uint16_t NumEntries = readNext<uint16_t>(Contents: PageData, Offset&: Pos);
7964
7965 Pos = EntriesStart;
7966 for (unsigned i = 0; i < NumEntries; ++i) {
7967 uint32_t FunctionOffset = readNext<uint32_t>(Contents: PageData, Offset&: Pos);
7968 uint32_t Encoding = readNext<uint32_t>(Contents: PageData, Offset&: Pos);
7969
7970 outs() << " [" << i << "]: "
7971 << "function offset=" << format(Fmt: "0x%08" PRIx32, Vals: FunctionOffset)
7972 << ", "
7973 << "encoding=" << format(Fmt: "0x%08" PRIx32, Vals: Encoding) << '\n';
7974 }
7975}
7976
7977static void printCompressedSecondLevelUnwindPage(
7978 StringRef PageData, uint32_t FunctionBase,
7979 const SmallVectorImpl<uint32_t> &CommonEncodings) {
7980 ptrdiff_t Pos = 0;
7981 uint32_t Kind = readNext<uint32_t>(Contents: PageData, Offset&: Pos);
7982 (void)Kind;
7983 assert(Kind == 3 && "kind for a compressed 2nd level index should be 3");
7984
7985 uint32_t NumCommonEncodings = CommonEncodings.size();
7986 uint16_t EntriesStart = readNext<uint16_t>(Contents: PageData, Offset&: Pos);
7987 uint16_t NumEntries = readNext<uint16_t>(Contents: PageData, Offset&: Pos);
7988
7989 uint16_t PageEncodingsStart = readNext<uint16_t>(Contents: PageData, Offset&: Pos);
7990 uint16_t NumPageEncodings = readNext<uint16_t>(Contents: PageData, Offset&: Pos);
7991 SmallVector<uint32_t, 64> PageEncodings;
7992 if (NumPageEncodings) {
7993 outs() << " Page encodings: (count = " << NumPageEncodings << ")\n";
7994 Pos = PageEncodingsStart;
7995 for (unsigned i = 0; i < NumPageEncodings; ++i) {
7996 uint32_t Encoding = readNext<uint32_t>(Contents: PageData, Offset&: Pos);
7997 PageEncodings.push_back(Elt: Encoding);
7998 outs() << " encoding[" << (i + NumCommonEncodings)
7999 << "]: " << format(Fmt: "0x%08" PRIx32, Vals: Encoding) << '\n';
8000 }
8001 }
8002
8003 Pos = EntriesStart;
8004 for (unsigned i = 0; i < NumEntries; ++i) {
8005 uint32_t Entry = readNext<uint32_t>(Contents: PageData, Offset&: Pos);
8006 uint32_t FunctionOffset = FunctionBase + (Entry & 0xffffff);
8007 uint32_t EncodingIdx = Entry >> 24;
8008
8009 uint32_t Encoding;
8010 if (EncodingIdx < NumCommonEncodings)
8011 Encoding = CommonEncodings[EncodingIdx];
8012 else
8013 Encoding = PageEncodings[EncodingIdx - NumCommonEncodings];
8014
8015 outs() << " [" << i << "]: "
8016 << "function offset=" << format(Fmt: "0x%08" PRIx32, Vals: FunctionOffset)
8017 << ", "
8018 << "encoding[" << EncodingIdx
8019 << "]=" << format(Fmt: "0x%08" PRIx32, Vals: Encoding) << '\n';
8020 }
8021}
8022
8023static void printMachOUnwindInfoSection(const MachOObjectFile *Obj,
8024 std::map<uint64_t, SymbolRef> &Symbols,
8025 const SectionRef &UnwindInfo) {
8026
8027 if (!Obj->isLittleEndian()) {
8028 outs() << "Skipping big-endian __unwind_info section\n";
8029 return;
8030 }
8031
8032 outs() << "Contents of __unwind_info section:\n";
8033
8034 StringRef Contents =
8035 unwrapOrError(EO: UnwindInfo.getContents(), Args: Obj->getFileName());
8036 ptrdiff_t Pos = 0;
8037
8038 //===----------------------------------
8039 // Section header
8040 //===----------------------------------
8041
8042 uint32_t Version = readNext<uint32_t>(Contents, Offset&: Pos);
8043 outs() << " Version: "
8044 << format(Fmt: "0x%" PRIx32, Vals: Version) << '\n';
8045 if (Version != 1) {
8046 outs() << " Skipping section with unknown version\n";
8047 return;
8048 }
8049
8050 uint32_t CommonEncodingsStart = readNext<uint32_t>(Contents, Offset&: Pos);
8051 outs() << " Common encodings array section offset: "
8052 << format(Fmt: "0x%" PRIx32, Vals: CommonEncodingsStart) << '\n';
8053 uint32_t NumCommonEncodings = readNext<uint32_t>(Contents, Offset&: Pos);
8054 outs() << " Number of common encodings in array: "
8055 << format(Fmt: "0x%" PRIx32, Vals: NumCommonEncodings) << '\n';
8056
8057 uint32_t PersonalitiesStart = readNext<uint32_t>(Contents, Offset&: Pos);
8058 outs() << " Personality function array section offset: "
8059 << format(Fmt: "0x%" PRIx32, Vals: PersonalitiesStart) << '\n';
8060 uint32_t NumPersonalities = readNext<uint32_t>(Contents, Offset&: Pos);
8061 outs() << " Number of personality functions in array: "
8062 << format(Fmt: "0x%" PRIx32, Vals: NumPersonalities) << '\n';
8063
8064 uint32_t IndicesStart = readNext<uint32_t>(Contents, Offset&: Pos);
8065 outs() << " Index array section offset: "
8066 << format(Fmt: "0x%" PRIx32, Vals: IndicesStart) << '\n';
8067 uint32_t NumIndices = readNext<uint32_t>(Contents, Offset&: Pos);
8068 outs() << " Number of indices in array: "
8069 << format(Fmt: "0x%" PRIx32, Vals: NumIndices) << '\n';
8070
8071 //===----------------------------------
8072 // A shared list of common encodings
8073 //===----------------------------------
8074
8075 // These occupy indices in the range [0, N] whenever an encoding is referenced
8076 // from a compressed 2nd level index table. In practice the linker only
8077 // creates ~128 of these, so that indices are available to embed encodings in
8078 // the 2nd level index.
8079
8080 SmallVector<uint32_t, 64> CommonEncodings;
8081 outs() << " Common encodings: (count = " << NumCommonEncodings << ")\n";
8082 Pos = CommonEncodingsStart;
8083 for (unsigned i = 0; i < NumCommonEncodings; ++i) {
8084 uint32_t Encoding = readNext<uint32_t>(Contents, Offset&: Pos);
8085 CommonEncodings.push_back(Elt: Encoding);
8086
8087 outs() << " encoding[" << i << "]: " << format(Fmt: "0x%08" PRIx32, Vals: Encoding)
8088 << '\n';
8089 }
8090
8091 //===----------------------------------
8092 // Personality functions used in this executable
8093 //===----------------------------------
8094
8095 // There should be only a handful of these (one per source language,
8096 // roughly). Particularly since they only get 2 bits in the compact encoding.
8097
8098 outs() << " Personality functions: (count = " << NumPersonalities << ")\n";
8099 Pos = PersonalitiesStart;
8100 for (unsigned i = 0; i < NumPersonalities; ++i) {
8101 uint32_t PersonalityFn = readNext<uint32_t>(Contents, Offset&: Pos);
8102 outs() << " personality[" << i + 1
8103 << "]: " << format(Fmt: "0x%08" PRIx32, Vals: PersonalityFn) << '\n';
8104 }
8105
8106 //===----------------------------------
8107 // The level 1 index entries
8108 //===----------------------------------
8109
8110 // These specify an approximate place to start searching for the more detailed
8111 // information, sorted by PC.
8112
8113 struct IndexEntry {
8114 uint32_t FunctionOffset;
8115 uint32_t SecondLevelPageStart;
8116 uint32_t LSDAStart;
8117 };
8118
8119 SmallVector<IndexEntry, 4> IndexEntries;
8120
8121 outs() << " Top level indices: (count = " << NumIndices << ")\n";
8122 Pos = IndicesStart;
8123 for (unsigned i = 0; i < NumIndices; ++i) {
8124 IndexEntry Entry;
8125
8126 Entry.FunctionOffset = readNext<uint32_t>(Contents, Offset&: Pos);
8127 Entry.SecondLevelPageStart = readNext<uint32_t>(Contents, Offset&: Pos);
8128 Entry.LSDAStart = readNext<uint32_t>(Contents, Offset&: Pos);
8129 IndexEntries.push_back(Elt: Entry);
8130
8131 outs() << " [" << i << "]: "
8132 << "function offset=" << format(Fmt: "0x%08" PRIx32, Vals: Entry.FunctionOffset)
8133 << ", "
8134 << "2nd level page offset="
8135 << format(Fmt: "0x%08" PRIx32, Vals: Entry.SecondLevelPageStart) << ", "
8136 << "LSDA offset=" << format(Fmt: "0x%08" PRIx32, Vals: Entry.LSDAStart) << '\n';
8137 }
8138
8139 //===----------------------------------
8140 // Next come the LSDA tables
8141 //===----------------------------------
8142
8143 // The LSDA layout is rather implicit: it's a contiguous array of entries from
8144 // the first top-level index's LSDAOffset to the last (sentinel).
8145
8146 outs() << " LSDA descriptors:\n";
8147 Pos = IndexEntries[0].LSDAStart;
8148 const uint32_t LSDASize = 2 * sizeof(uint32_t);
8149 int NumLSDAs =
8150 (IndexEntries.back().LSDAStart - IndexEntries[0].LSDAStart) / LSDASize;
8151
8152 for (int i = 0; i < NumLSDAs; ++i) {
8153 uint32_t FunctionOffset = readNext<uint32_t>(Contents, Offset&: Pos);
8154 uint32_t LSDAOffset = readNext<uint32_t>(Contents, Offset&: Pos);
8155 outs() << " [" << i << "]: "
8156 << "function offset=" << format(Fmt: "0x%08" PRIx32, Vals: FunctionOffset)
8157 << ", "
8158 << "LSDA offset=" << format(Fmt: "0x%08" PRIx32, Vals: LSDAOffset) << '\n';
8159 }
8160
8161 //===----------------------------------
8162 // Finally, the 2nd level indices
8163 //===----------------------------------
8164
8165 // Generally these are 4K in size, and have 2 possible forms:
8166 // + Regular stores up to 511 entries with disparate encodings
8167 // + Compressed stores up to 1021 entries if few enough compact encoding
8168 // values are used.
8169 outs() << " Second level indices:\n";
8170 for (unsigned i = 0; i < IndexEntries.size() - 1; ++i) {
8171 // The final sentinel top-level index has no associated 2nd level page
8172 if (IndexEntries[i].SecondLevelPageStart == 0)
8173 break;
8174
8175 outs() << " Second level index[" << i << "]: "
8176 << "offset in section="
8177 << format(Fmt: "0x%08" PRIx32, Vals: IndexEntries[i].SecondLevelPageStart)
8178 << ", "
8179 << "base function offset="
8180 << format(Fmt: "0x%08" PRIx32, Vals: IndexEntries[i].FunctionOffset) << '\n';
8181
8182 Pos = IndexEntries[i].SecondLevelPageStart;
8183 if (Pos + sizeof(uint32_t) > Contents.size()) {
8184 outs() << "warning: invalid offset for second level page: " << Pos << '\n';
8185 continue;
8186 }
8187
8188 uint32_t Kind =
8189 *reinterpret_cast<const support::ulittle32_t *>(Contents.data() + Pos);
8190 if (Kind == 2)
8191 printRegularSecondLevelUnwindPage(PageData: Contents.substr(Start: Pos, N: 4096));
8192 else if (Kind == 3)
8193 printCompressedSecondLevelUnwindPage(PageData: Contents.substr(Start: Pos, N: 4096),
8194 FunctionBase: IndexEntries[i].FunctionOffset,
8195 CommonEncodings);
8196 else
8197 outs() << " Skipping 2nd level page with unknown kind " << Kind
8198 << '\n';
8199 }
8200}
8201
8202void objdump::printMachOUnwindInfo(const MachOObjectFile *Obj) {
8203 std::map<uint64_t, SymbolRef> Symbols;
8204 for (const SymbolRef &SymRef : Obj->symbols()) {
8205 // Discard any undefined or absolute symbols. They're not going to take part
8206 // in the convenience lookup for unwind info and just take up resources.
8207 auto SectOrErr = SymRef.getSection();
8208 if (!SectOrErr) {
8209 // TODO: Actually report errors helpfully.
8210 consumeError(Err: SectOrErr.takeError());
8211 continue;
8212 }
8213 section_iterator Section = *SectOrErr;
8214 if (Section == Obj->section_end())
8215 continue;
8216
8217 uint64_t Addr = cantFail(ValOrErr: SymRef.getValue());
8218 Symbols.insert(x: std::make_pair(x&: Addr, y: SymRef));
8219 }
8220
8221 for (const SectionRef &Section : Obj->sections()) {
8222 StringRef SectName;
8223 if (Expected<StringRef> NameOrErr = Section.getName())
8224 SectName = *NameOrErr;
8225 else
8226 consumeError(Err: NameOrErr.takeError());
8227
8228 if (SectName == "__compact_unwind")
8229 printMachOCompactUnwindSection(Obj, Symbols, CompactUnwind: Section);
8230 else if (SectName == "__unwind_info")
8231 printMachOUnwindInfoSection(Obj, Symbols, UnwindInfo: Section);
8232 }
8233}
8234
8235static void PrintMachHeader(uint32_t magic, uint32_t cputype,
8236 uint32_t cpusubtype, uint32_t filetype,
8237 uint32_t ncmds, uint32_t sizeofcmds, uint32_t flags,
8238 bool verbose) {
8239 outs() << "Mach header\n";
8240 outs() << " magic cputype cpusubtype caps filetype ncmds "
8241 "sizeofcmds flags\n";
8242 if (verbose) {
8243 if (magic == MachO::MH_MAGIC)
8244 outs() << " MH_MAGIC";
8245 else if (magic == MachO::MH_MAGIC_64)
8246 outs() << "MH_MAGIC_64";
8247 else
8248 outs() << format(Fmt: " 0x%08" PRIx32, Vals: magic);
8249 switch (cputype) {
8250 case MachO::CPU_TYPE_I386:
8251 outs() << " I386";
8252 switch (cpusubtype & ~MachO::CPU_SUBTYPE_MASK) {
8253 case MachO::CPU_SUBTYPE_I386_ALL:
8254 outs() << " ALL";
8255 break;
8256 default:
8257 outs() << format(Fmt: " %10d", Vals: cpusubtype & ~MachO::CPU_SUBTYPE_MASK);
8258 break;
8259 }
8260 break;
8261 case MachO::CPU_TYPE_X86_64:
8262 outs() << " X86_64";
8263 switch (cpusubtype & ~MachO::CPU_SUBTYPE_MASK) {
8264 case MachO::CPU_SUBTYPE_X86_64_ALL:
8265 outs() << " ALL";
8266 break;
8267 case MachO::CPU_SUBTYPE_X86_64_H:
8268 outs() << " Haswell";
8269 break;
8270 default:
8271 outs() << format(Fmt: " %10d", Vals: cpusubtype & ~MachO::CPU_SUBTYPE_MASK);
8272 break;
8273 }
8274 break;
8275 case MachO::CPU_TYPE_ARM:
8276 outs() << " ARM";
8277 switch (cpusubtype & ~MachO::CPU_SUBTYPE_MASK) {
8278 case MachO::CPU_SUBTYPE_ARM_ALL:
8279 outs() << " ALL";
8280 break;
8281 case MachO::CPU_SUBTYPE_ARM_V4T:
8282 outs() << " V4T";
8283 break;
8284 case MachO::CPU_SUBTYPE_ARM_V5TEJ:
8285 outs() << " V5TEJ";
8286 break;
8287 case MachO::CPU_SUBTYPE_ARM_XSCALE:
8288 outs() << " XSCALE";
8289 break;
8290 case MachO::CPU_SUBTYPE_ARM_V6:
8291 outs() << " V6";
8292 break;
8293 case MachO::CPU_SUBTYPE_ARM_V6M:
8294 outs() << " V6M";
8295 break;
8296 case MachO::CPU_SUBTYPE_ARM_V7:
8297 outs() << " V7";
8298 break;
8299 case MachO::CPU_SUBTYPE_ARM_V7EM:
8300 outs() << " V7EM";
8301 break;
8302 case MachO::CPU_SUBTYPE_ARM_V7K:
8303 outs() << " V7K";
8304 break;
8305 case MachO::CPU_SUBTYPE_ARM_V7M:
8306 outs() << " V7M";
8307 break;
8308 case MachO::CPU_SUBTYPE_ARM_V7S:
8309 outs() << " V7S";
8310 break;
8311 default:
8312 outs() << format(Fmt: " %10d", Vals: cpusubtype & ~MachO::CPU_SUBTYPE_MASK);
8313 break;
8314 }
8315 break;
8316 case MachO::CPU_TYPE_ARM64:
8317 outs() << " ARM64";
8318 switch (cpusubtype & ~MachO::CPU_SUBTYPE_MASK) {
8319 case MachO::CPU_SUBTYPE_ARM64_ALL:
8320 outs() << " ALL";
8321 break;
8322 case MachO::CPU_SUBTYPE_ARM64_V8:
8323 outs() << " V8";
8324 break;
8325 case MachO::CPU_SUBTYPE_ARM64E:
8326 outs() << " E";
8327 break;
8328 default:
8329 outs() << format(Fmt: " %10d", Vals: cpusubtype & ~MachO::CPU_SUBTYPE_MASK);
8330 break;
8331 }
8332 break;
8333 case MachO::CPU_TYPE_ARM64_32:
8334 outs() << " ARM64_32";
8335 switch (cpusubtype & ~MachO::CPU_SUBTYPE_MASK) {
8336 case MachO::CPU_SUBTYPE_ARM64_32_V8:
8337 outs() << " V8";
8338 break;
8339 default:
8340 outs() << format(Fmt: " %10d", Vals: cpusubtype & ~MachO::CPU_SUBTYPE_MASK);
8341 break;
8342 }
8343 break;
8344 case MachO::CPU_TYPE_POWERPC:
8345 outs() << " PPC";
8346 switch (cpusubtype & ~MachO::CPU_SUBTYPE_MASK) {
8347 case MachO::CPU_SUBTYPE_POWERPC_ALL:
8348 outs() << " ALL";
8349 break;
8350 default:
8351 outs() << format(Fmt: " %10d", Vals: cpusubtype & ~MachO::CPU_SUBTYPE_MASK);
8352 break;
8353 }
8354 break;
8355 case MachO::CPU_TYPE_POWERPC64:
8356 outs() << " PPC64";
8357 switch (cpusubtype & ~MachO::CPU_SUBTYPE_MASK) {
8358 case MachO::CPU_SUBTYPE_POWERPC_ALL:
8359 outs() << " ALL";
8360 break;
8361 default:
8362 outs() << format(Fmt: " %10d", Vals: cpusubtype & ~MachO::CPU_SUBTYPE_MASK);
8363 break;
8364 }
8365 break;
8366 default:
8367 outs() << format(Fmt: " %7d", Vals: cputype);
8368 outs() << format(Fmt: " %10d", Vals: cpusubtype & ~MachO::CPU_SUBTYPE_MASK);
8369 break;
8370 }
8371 if ((cpusubtype & MachO::CPU_SUBTYPE_MASK) == MachO::CPU_SUBTYPE_LIB64) {
8372 outs() << " LIB64";
8373 } else {
8374 outs() << format(Fmt: " 0x%02" PRIx32,
8375 Vals: (cpusubtype & MachO::CPU_SUBTYPE_MASK) >> 24);
8376 }
8377 switch (filetype) {
8378 case MachO::MH_OBJECT:
8379 outs() << " OBJECT";
8380 break;
8381 case MachO::MH_EXECUTE:
8382 outs() << " EXECUTE";
8383 break;
8384 case MachO::MH_FVMLIB:
8385 outs() << " FVMLIB";
8386 break;
8387 case MachO::MH_CORE:
8388 outs() << " CORE";
8389 break;
8390 case MachO::MH_PRELOAD:
8391 outs() << " PRELOAD";
8392 break;
8393 case MachO::MH_DYLIB:
8394 outs() << " DYLIB";
8395 break;
8396 case MachO::MH_DYLIB_STUB:
8397 outs() << " DYLIB_STUB";
8398 break;
8399 case MachO::MH_DYLINKER:
8400 outs() << " DYLINKER";
8401 break;
8402 case MachO::MH_BUNDLE:
8403 outs() << " BUNDLE";
8404 break;
8405 case MachO::MH_DSYM:
8406 outs() << " DSYM";
8407 break;
8408 case MachO::MH_KEXT_BUNDLE:
8409 outs() << " KEXTBUNDLE";
8410 break;
8411 case MachO::MH_FILESET:
8412 outs() << " FILESET";
8413 break;
8414 default:
8415 outs() << format(Fmt: " %10u", Vals: filetype);
8416 break;
8417 }
8418 outs() << format(Fmt: " %5u", Vals: ncmds);
8419 outs() << format(Fmt: " %10u", Vals: sizeofcmds);
8420 uint32_t f = flags;
8421 if (f & MachO::MH_NOUNDEFS) {
8422 outs() << " NOUNDEFS";
8423 f &= ~MachO::MH_NOUNDEFS;
8424 }
8425 if (f & MachO::MH_INCRLINK) {
8426 outs() << " INCRLINK";
8427 f &= ~MachO::MH_INCRLINK;
8428 }
8429 if (f & MachO::MH_DYLDLINK) {
8430 outs() << " DYLDLINK";
8431 f &= ~MachO::MH_DYLDLINK;
8432 }
8433 if (f & MachO::MH_BINDATLOAD) {
8434 outs() << " BINDATLOAD";
8435 f &= ~MachO::MH_BINDATLOAD;
8436 }
8437 if (f & MachO::MH_PREBOUND) {
8438 outs() << " PREBOUND";
8439 f &= ~MachO::MH_PREBOUND;
8440 }
8441 if (f & MachO::MH_SPLIT_SEGS) {
8442 outs() << " SPLIT_SEGS";
8443 f &= ~MachO::MH_SPLIT_SEGS;
8444 }
8445 if (f & MachO::MH_LAZY_INIT) {
8446 outs() << " LAZY_INIT";
8447 f &= ~MachO::MH_LAZY_INIT;
8448 }
8449 if (f & MachO::MH_TWOLEVEL) {
8450 outs() << " TWOLEVEL";
8451 f &= ~MachO::MH_TWOLEVEL;
8452 }
8453 if (f & MachO::MH_FORCE_FLAT) {
8454 outs() << " FORCE_FLAT";
8455 f &= ~MachO::MH_FORCE_FLAT;
8456 }
8457 if (f & MachO::MH_NOMULTIDEFS) {
8458 outs() << " NOMULTIDEFS";
8459 f &= ~MachO::MH_NOMULTIDEFS;
8460 }
8461 if (f & MachO::MH_NOFIXPREBINDING) {
8462 outs() << " NOFIXPREBINDING";
8463 f &= ~MachO::MH_NOFIXPREBINDING;
8464 }
8465 if (f & MachO::MH_PREBINDABLE) {
8466 outs() << " PREBINDABLE";
8467 f &= ~MachO::MH_PREBINDABLE;
8468 }
8469 if (f & MachO::MH_ALLMODSBOUND) {
8470 outs() << " ALLMODSBOUND";
8471 f &= ~MachO::MH_ALLMODSBOUND;
8472 }
8473 if (f & MachO::MH_SUBSECTIONS_VIA_SYMBOLS) {
8474 outs() << " SUBSECTIONS_VIA_SYMBOLS";
8475 f &= ~MachO::MH_SUBSECTIONS_VIA_SYMBOLS;
8476 }
8477 if (f & MachO::MH_CANONICAL) {
8478 outs() << " CANONICAL";
8479 f &= ~MachO::MH_CANONICAL;
8480 }
8481 if (f & MachO::MH_WEAK_DEFINES) {
8482 outs() << " WEAK_DEFINES";
8483 f &= ~MachO::MH_WEAK_DEFINES;
8484 }
8485 if (f & MachO::MH_BINDS_TO_WEAK) {
8486 outs() << " BINDS_TO_WEAK";
8487 f &= ~MachO::MH_BINDS_TO_WEAK;
8488 }
8489 if (f & MachO::MH_ALLOW_STACK_EXECUTION) {
8490 outs() << " ALLOW_STACK_EXECUTION";
8491 f &= ~MachO::MH_ALLOW_STACK_EXECUTION;
8492 }
8493 if (f & MachO::MH_DEAD_STRIPPABLE_DYLIB) {
8494 outs() << " DEAD_STRIPPABLE_DYLIB";
8495 f &= ~MachO::MH_DEAD_STRIPPABLE_DYLIB;
8496 }
8497 if (f & MachO::MH_PIE) {
8498 outs() << " PIE";
8499 f &= ~MachO::MH_PIE;
8500 }
8501 if (f & MachO::MH_NO_REEXPORTED_DYLIBS) {
8502 outs() << " NO_REEXPORTED_DYLIBS";
8503 f &= ~MachO::MH_NO_REEXPORTED_DYLIBS;
8504 }
8505 if (f & MachO::MH_HAS_TLV_DESCRIPTORS) {
8506 outs() << " MH_HAS_TLV_DESCRIPTORS";
8507 f &= ~MachO::MH_HAS_TLV_DESCRIPTORS;
8508 }
8509 if (f & MachO::MH_NO_HEAP_EXECUTION) {
8510 outs() << " MH_NO_HEAP_EXECUTION";
8511 f &= ~MachO::MH_NO_HEAP_EXECUTION;
8512 }
8513 if (f & MachO::MH_APP_EXTENSION_SAFE) {
8514 outs() << " APP_EXTENSION_SAFE";
8515 f &= ~MachO::MH_APP_EXTENSION_SAFE;
8516 }
8517 if (f & MachO::MH_NLIST_OUTOFSYNC_WITH_DYLDINFO) {
8518 outs() << " NLIST_OUTOFSYNC_WITH_DYLDINFO";
8519 f &= ~MachO::MH_NLIST_OUTOFSYNC_WITH_DYLDINFO;
8520 }
8521 if (f != 0 || flags == 0)
8522 outs() << format(Fmt: " 0x%08" PRIx32, Vals: f);
8523 } else {
8524 outs() << format(Fmt: " 0x%08" PRIx32, Vals: magic);
8525 outs() << format(Fmt: " %7d", Vals: cputype);
8526 outs() << format(Fmt: " %10d", Vals: cpusubtype & ~MachO::CPU_SUBTYPE_MASK);
8527 outs() << format(Fmt: " 0x%02" PRIx32,
8528 Vals: (cpusubtype & MachO::CPU_SUBTYPE_MASK) >> 24);
8529 outs() << format(Fmt: " %10u", Vals: filetype);
8530 outs() << format(Fmt: " %5u", Vals: ncmds);
8531 outs() << format(Fmt: " %10u", Vals: sizeofcmds);
8532 outs() << format(Fmt: " 0x%08" PRIx32, Vals: flags);
8533 }
8534 outs() << "\n";
8535}
8536
8537static void PrintSegmentCommand(uint32_t cmd, uint32_t cmdsize,
8538 StringRef SegName, uint64_t vmaddr,
8539 uint64_t vmsize, uint64_t fileoff,
8540 uint64_t filesize, uint32_t maxprot,
8541 uint32_t initprot, uint32_t nsects,
8542 uint32_t flags, uint32_t object_size,
8543 bool verbose) {
8544 uint64_t expected_cmdsize;
8545 if (cmd == MachO::LC_SEGMENT) {
8546 outs() << " cmd LC_SEGMENT\n";
8547 expected_cmdsize = nsects;
8548 expected_cmdsize *= sizeof(struct MachO::section);
8549 expected_cmdsize += sizeof(struct MachO::segment_command);
8550 } else {
8551 outs() << " cmd LC_SEGMENT_64\n";
8552 expected_cmdsize = nsects;
8553 expected_cmdsize *= sizeof(struct MachO::section_64);
8554 expected_cmdsize += sizeof(struct MachO::segment_command_64);
8555 }
8556 outs() << " cmdsize " << cmdsize;
8557 if (cmdsize != expected_cmdsize)
8558 outs() << " Inconsistent size\n";
8559 else
8560 outs() << "\n";
8561 outs() << " segname " << SegName << "\n";
8562 if (cmd == MachO::LC_SEGMENT_64) {
8563 outs() << " vmaddr " << format(Fmt: "0x%016" PRIx64, Vals: vmaddr) << "\n";
8564 outs() << " vmsize " << format(Fmt: "0x%016" PRIx64, Vals: vmsize) << "\n";
8565 } else {
8566 outs() << " vmaddr " << format(Fmt: "0x%08" PRIx64, Vals: vmaddr) << "\n";
8567 outs() << " vmsize " << format(Fmt: "0x%08" PRIx64, Vals: vmsize) << "\n";
8568 }
8569 outs() << " fileoff " << fileoff;
8570 if (fileoff > object_size)
8571 outs() << " (past end of file)\n";
8572 else
8573 outs() << "\n";
8574 outs() << " filesize " << filesize;
8575 if (fileoff + filesize > object_size)
8576 outs() << " (past end of file)\n";
8577 else
8578 outs() << "\n";
8579 if (verbose) {
8580 if ((maxprot &
8581 ~(MachO::VM_PROT_READ | MachO::VM_PROT_WRITE |
8582 MachO::VM_PROT_EXECUTE)) != 0)
8583 outs() << " maxprot ?" << format(Fmt: "0x%08" PRIx32, Vals: maxprot) << "\n";
8584 else {
8585 outs() << " maxprot ";
8586 outs() << ((maxprot & MachO::VM_PROT_READ) ? "r" : "-");
8587 outs() << ((maxprot & MachO::VM_PROT_WRITE) ? "w" : "-");
8588 outs() << ((maxprot & MachO::VM_PROT_EXECUTE) ? "x\n" : "-\n");
8589 }
8590 if ((initprot &
8591 ~(MachO::VM_PROT_READ | MachO::VM_PROT_WRITE |
8592 MachO::VM_PROT_EXECUTE)) != 0)
8593 outs() << " initprot ?" << format(Fmt: "0x%08" PRIx32, Vals: initprot) << "\n";
8594 else {
8595 outs() << " initprot ";
8596 outs() << ((initprot & MachO::VM_PROT_READ) ? "r" : "-");
8597 outs() << ((initprot & MachO::VM_PROT_WRITE) ? "w" : "-");
8598 outs() << ((initprot & MachO::VM_PROT_EXECUTE) ? "x\n" : "-\n");
8599 }
8600 } else {
8601 outs() << " maxprot " << format(Fmt: "0x%08" PRIx32, Vals: maxprot) << "\n";
8602 outs() << " initprot " << format(Fmt: "0x%08" PRIx32, Vals: initprot) << "\n";
8603 }
8604 outs() << " nsects " << nsects << "\n";
8605 if (verbose) {
8606 outs() << " flags";
8607 if (flags == 0)
8608 outs() << " (none)\n";
8609 else {
8610 if (flags & MachO::SG_HIGHVM) {
8611 outs() << " HIGHVM";
8612 flags &= ~MachO::SG_HIGHVM;
8613 }
8614 if (flags & MachO::SG_FVMLIB) {
8615 outs() << " FVMLIB";
8616 flags &= ~MachO::SG_FVMLIB;
8617 }
8618 if (flags & MachO::SG_NORELOC) {
8619 outs() << " NORELOC";
8620 flags &= ~MachO::SG_NORELOC;
8621 }
8622 if (flags & MachO::SG_PROTECTED_VERSION_1) {
8623 outs() << " PROTECTED_VERSION_1";
8624 flags &= ~MachO::SG_PROTECTED_VERSION_1;
8625 }
8626 if (flags & MachO::SG_READ_ONLY) {
8627 // Apple's otool prints the SG_ prefix for this flag, but not for the
8628 // others.
8629 outs() << " SG_READ_ONLY";
8630 flags &= ~MachO::SG_READ_ONLY;
8631 }
8632 if (flags)
8633 outs() << format(Fmt: " 0x%08" PRIx32, Vals: flags) << " (unknown flags)\n";
8634 else
8635 outs() << "\n";
8636 }
8637 } else {
8638 outs() << " flags " << format(Fmt: "0x%" PRIx32, Vals: flags) << "\n";
8639 }
8640}
8641
8642static void PrintSection(const char *sectname, const char *segname,
8643 uint64_t addr, uint64_t size, uint32_t offset,
8644 uint32_t align, uint32_t reloff, uint32_t nreloc,
8645 uint32_t flags, uint32_t reserved1, uint32_t reserved2,
8646 uint32_t cmd, const char *sg_segname,
8647 uint32_t filetype, uint32_t object_size,
8648 bool verbose) {
8649 outs() << "Section\n";
8650 outs() << " sectname " << format(Fmt: "%.16s\n", Vals: sectname);
8651 outs() << " segname " << format(Fmt: "%.16s", Vals: segname);
8652 if (filetype != MachO::MH_OBJECT && strncmp(s1: sg_segname, s2: segname, n: 16) != 0)
8653 outs() << " (does not match segment)\n";
8654 else
8655 outs() << "\n";
8656 if (cmd == MachO::LC_SEGMENT_64) {
8657 outs() << " addr " << format(Fmt: "0x%016" PRIx64, Vals: addr) << "\n";
8658 outs() << " size " << format(Fmt: "0x%016" PRIx64, Vals: size);
8659 } else {
8660 outs() << " addr " << format(Fmt: "0x%08" PRIx64, Vals: addr) << "\n";
8661 outs() << " size " << format(Fmt: "0x%08" PRIx64, Vals: size);
8662 }
8663 if ((flags & MachO::S_ZEROFILL) != 0 && offset + size > object_size)
8664 outs() << " (past end of file)\n";
8665 else
8666 outs() << "\n";
8667 outs() << " offset " << offset;
8668 if (offset > object_size)
8669 outs() << " (past end of file)\n";
8670 else
8671 outs() << "\n";
8672 uint32_t align_shifted = 1 << align;
8673 outs() << " align 2^" << align << " (" << align_shifted << ")\n";
8674 outs() << " reloff " << reloff;
8675 if (reloff > object_size)
8676 outs() << " (past end of file)\n";
8677 else
8678 outs() << "\n";
8679 outs() << " nreloc " << nreloc;
8680 if (reloff + nreloc * sizeof(struct MachO::relocation_info) > object_size)
8681 outs() << " (past end of file)\n";
8682 else
8683 outs() << "\n";
8684 uint32_t section_type = flags & MachO::SECTION_TYPE;
8685 if (verbose) {
8686 outs() << " type";
8687 if (section_type == MachO::S_REGULAR)
8688 outs() << " S_REGULAR\n";
8689 else if (section_type == MachO::S_ZEROFILL)
8690 outs() << " S_ZEROFILL\n";
8691 else if (section_type == MachO::S_CSTRING_LITERALS)
8692 outs() << " S_CSTRING_LITERALS\n";
8693 else if (section_type == MachO::S_4BYTE_LITERALS)
8694 outs() << " S_4BYTE_LITERALS\n";
8695 else if (section_type == MachO::S_8BYTE_LITERALS)
8696 outs() << " S_8BYTE_LITERALS\n";
8697 else if (section_type == MachO::S_16BYTE_LITERALS)
8698 outs() << " S_16BYTE_LITERALS\n";
8699 else if (section_type == MachO::S_LITERAL_POINTERS)
8700 outs() << " S_LITERAL_POINTERS\n";
8701 else if (section_type == MachO::S_NON_LAZY_SYMBOL_POINTERS)
8702 outs() << " S_NON_LAZY_SYMBOL_POINTERS\n";
8703 else if (section_type == MachO::S_LAZY_SYMBOL_POINTERS)
8704 outs() << " S_LAZY_SYMBOL_POINTERS\n";
8705 else if (section_type == MachO::S_SYMBOL_STUBS)
8706 outs() << " S_SYMBOL_STUBS\n";
8707 else if (section_type == MachO::S_MOD_INIT_FUNC_POINTERS)
8708 outs() << " S_MOD_INIT_FUNC_POINTERS\n";
8709 else if (section_type == MachO::S_MOD_TERM_FUNC_POINTERS)
8710 outs() << " S_MOD_TERM_FUNC_POINTERS\n";
8711 else if (section_type == MachO::S_COALESCED)
8712 outs() << " S_COALESCED\n";
8713 else if (section_type == MachO::S_INTERPOSING)
8714 outs() << " S_INTERPOSING\n";
8715 else if (section_type == MachO::S_DTRACE_DOF)
8716 outs() << " S_DTRACE_DOF\n";
8717 else if (section_type == MachO::S_LAZY_DYLIB_SYMBOL_POINTERS)
8718 outs() << " S_LAZY_DYLIB_SYMBOL_POINTERS\n";
8719 else if (section_type == MachO::S_THREAD_LOCAL_REGULAR)
8720 outs() << " S_THREAD_LOCAL_REGULAR\n";
8721 else if (section_type == MachO::S_THREAD_LOCAL_ZEROFILL)
8722 outs() << " S_THREAD_LOCAL_ZEROFILL\n";
8723 else if (section_type == MachO::S_THREAD_LOCAL_VARIABLES)
8724 outs() << " S_THREAD_LOCAL_VARIABLES\n";
8725 else if (section_type == MachO::S_THREAD_LOCAL_VARIABLE_POINTERS)
8726 outs() << " S_THREAD_LOCAL_VARIABLE_POINTERS\n";
8727 else if (section_type == MachO::S_THREAD_LOCAL_INIT_FUNCTION_POINTERS)
8728 outs() << " S_THREAD_LOCAL_INIT_FUNCTION_POINTERS\n";
8729 else if (section_type == MachO::S_INIT_FUNC_OFFSETS)
8730 outs() << " S_INIT_FUNC_OFFSETS\n";
8731 else
8732 outs() << format(Fmt: "0x%08" PRIx32, Vals: section_type) << "\n";
8733 outs() << "attributes";
8734 uint32_t section_attributes = flags & MachO::SECTION_ATTRIBUTES;
8735 if (section_attributes & MachO::S_ATTR_PURE_INSTRUCTIONS)
8736 outs() << " PURE_INSTRUCTIONS";
8737 if (section_attributes & MachO::S_ATTR_NO_TOC)
8738 outs() << " NO_TOC";
8739 if (section_attributes & MachO::S_ATTR_STRIP_STATIC_SYMS)
8740 outs() << " STRIP_STATIC_SYMS";
8741 if (section_attributes & MachO::S_ATTR_NO_DEAD_STRIP)
8742 outs() << " NO_DEAD_STRIP";
8743 if (section_attributes & MachO::S_ATTR_LIVE_SUPPORT)
8744 outs() << " LIVE_SUPPORT";
8745 if (section_attributes & MachO::S_ATTR_SELF_MODIFYING_CODE)
8746 outs() << " SELF_MODIFYING_CODE";
8747 if (section_attributes & MachO::S_ATTR_DEBUG)
8748 outs() << " DEBUG";
8749 if (section_attributes & MachO::S_ATTR_SOME_INSTRUCTIONS)
8750 outs() << " SOME_INSTRUCTIONS";
8751 if (section_attributes & MachO::S_ATTR_EXT_RELOC)
8752 outs() << " EXT_RELOC";
8753 if (section_attributes & MachO::S_ATTR_LOC_RELOC)
8754 outs() << " LOC_RELOC";
8755 if (section_attributes == 0)
8756 outs() << " (none)";
8757 outs() << "\n";
8758 } else
8759 outs() << " flags " << format(Fmt: "0x%08" PRIx32, Vals: flags) << "\n";
8760 outs() << " reserved1 " << reserved1;
8761 if (section_type == MachO::S_SYMBOL_STUBS ||
8762 section_type == MachO::S_LAZY_SYMBOL_POINTERS ||
8763 section_type == MachO::S_LAZY_DYLIB_SYMBOL_POINTERS ||
8764 section_type == MachO::S_NON_LAZY_SYMBOL_POINTERS ||
8765 section_type == MachO::S_THREAD_LOCAL_VARIABLE_POINTERS)
8766 outs() << " (index into indirect symbol table)\n";
8767 else
8768 outs() << "\n";
8769 outs() << " reserved2 " << reserved2;
8770 if (section_type == MachO::S_SYMBOL_STUBS)
8771 outs() << " (size of stubs)\n";
8772 else
8773 outs() << "\n";
8774}
8775
8776static void PrintSymtabLoadCommand(MachO::symtab_command st, bool Is64Bit,
8777 uint32_t object_size) {
8778 outs() << " cmd LC_SYMTAB\n";
8779 outs() << " cmdsize " << st.cmdsize;
8780 if (st.cmdsize != sizeof(struct MachO::symtab_command))
8781 outs() << " Incorrect size\n";
8782 else
8783 outs() << "\n";
8784 outs() << " symoff " << st.symoff;
8785 if (st.symoff > object_size)
8786 outs() << " (past end of file)\n";
8787 else
8788 outs() << "\n";
8789 outs() << " nsyms " << st.nsyms;
8790 uint64_t big_size;
8791 if (Is64Bit) {
8792 big_size = st.nsyms;
8793 big_size *= sizeof(struct MachO::nlist_64);
8794 big_size += st.symoff;
8795 if (big_size > object_size)
8796 outs() << " (past end of file)\n";
8797 else
8798 outs() << "\n";
8799 } else {
8800 big_size = st.nsyms;
8801 big_size *= sizeof(struct MachO::nlist);
8802 big_size += st.symoff;
8803 if (big_size > object_size)
8804 outs() << " (past end of file)\n";
8805 else
8806 outs() << "\n";
8807 }
8808 outs() << " stroff " << st.stroff;
8809 if (st.stroff > object_size)
8810 outs() << " (past end of file)\n";
8811 else
8812 outs() << "\n";
8813 outs() << " strsize " << st.strsize;
8814 big_size = st.stroff;
8815 big_size += st.strsize;
8816 if (big_size > object_size)
8817 outs() << " (past end of file)\n";
8818 else
8819 outs() << "\n";
8820}
8821
8822static void PrintDysymtabLoadCommand(MachO::dysymtab_command dyst,
8823 uint32_t nsyms, uint32_t object_size,
8824 bool Is64Bit) {
8825 outs() << " cmd LC_DYSYMTAB\n";
8826 outs() << " cmdsize " << dyst.cmdsize;
8827 if (dyst.cmdsize != sizeof(struct MachO::dysymtab_command))
8828 outs() << " Incorrect size\n";
8829 else
8830 outs() << "\n";
8831 outs() << " ilocalsym " << dyst.ilocalsym;
8832 if (dyst.ilocalsym > nsyms)
8833 outs() << " (greater than the number of symbols)\n";
8834 else
8835 outs() << "\n";
8836 outs() << " nlocalsym " << dyst.nlocalsym;
8837 uint64_t big_size;
8838 big_size = dyst.ilocalsym;
8839 big_size += dyst.nlocalsym;
8840 if (big_size > nsyms)
8841 outs() << " (past the end of the symbol table)\n";
8842 else
8843 outs() << "\n";
8844 outs() << " iextdefsym " << dyst.iextdefsym;
8845 if (dyst.iextdefsym > nsyms)
8846 outs() << " (greater than the number of symbols)\n";
8847 else
8848 outs() << "\n";
8849 outs() << " nextdefsym " << dyst.nextdefsym;
8850 big_size = dyst.iextdefsym;
8851 big_size += dyst.nextdefsym;
8852 if (big_size > nsyms)
8853 outs() << " (past the end of the symbol table)\n";
8854 else
8855 outs() << "\n";
8856 outs() << " iundefsym " << dyst.iundefsym;
8857 if (dyst.iundefsym > nsyms)
8858 outs() << " (greater than the number of symbols)\n";
8859 else
8860 outs() << "\n";
8861 outs() << " nundefsym " << dyst.nundefsym;
8862 big_size = dyst.iundefsym;
8863 big_size += dyst.nundefsym;
8864 if (big_size > nsyms)
8865 outs() << " (past the end of the symbol table)\n";
8866 else
8867 outs() << "\n";
8868 outs() << " tocoff " << dyst.tocoff;
8869 if (dyst.tocoff > object_size)
8870 outs() << " (past end of file)\n";
8871 else
8872 outs() << "\n";
8873 outs() << " ntoc " << dyst.ntoc;
8874 big_size = dyst.ntoc;
8875 big_size *= sizeof(struct MachO::dylib_table_of_contents);
8876 big_size += dyst.tocoff;
8877 if (big_size > object_size)
8878 outs() << " (past end of file)\n";
8879 else
8880 outs() << "\n";
8881 outs() << " modtaboff " << dyst.modtaboff;
8882 if (dyst.modtaboff > object_size)
8883 outs() << " (past end of file)\n";
8884 else
8885 outs() << "\n";
8886 outs() << " nmodtab " << dyst.nmodtab;
8887 uint64_t modtabend;
8888 if (Is64Bit) {
8889 modtabend = dyst.nmodtab;
8890 modtabend *= sizeof(struct MachO::dylib_module_64);
8891 modtabend += dyst.modtaboff;
8892 } else {
8893 modtabend = dyst.nmodtab;
8894 modtabend *= sizeof(struct MachO::dylib_module);
8895 modtabend += dyst.modtaboff;
8896 }
8897 if (modtabend > object_size)
8898 outs() << " (past end of file)\n";
8899 else
8900 outs() << "\n";
8901 outs() << " extrefsymoff " << dyst.extrefsymoff;
8902 if (dyst.extrefsymoff > object_size)
8903 outs() << " (past end of file)\n";
8904 else
8905 outs() << "\n";
8906 outs() << " nextrefsyms " << dyst.nextrefsyms;
8907 big_size = dyst.nextrefsyms;
8908 big_size *= sizeof(struct MachO::dylib_reference);
8909 big_size += dyst.extrefsymoff;
8910 if (big_size > object_size)
8911 outs() << " (past end of file)\n";
8912 else
8913 outs() << "\n";
8914 outs() << " indirectsymoff " << dyst.indirectsymoff;
8915 if (dyst.indirectsymoff > object_size)
8916 outs() << " (past end of file)\n";
8917 else
8918 outs() << "\n";
8919 outs() << " nindirectsyms " << dyst.nindirectsyms;
8920 big_size = dyst.nindirectsyms;
8921 big_size *= sizeof(uint32_t);
8922 big_size += dyst.indirectsymoff;
8923 if (big_size > object_size)
8924 outs() << " (past end of file)\n";
8925 else
8926 outs() << "\n";
8927 outs() << " extreloff " << dyst.extreloff;
8928 if (dyst.extreloff > object_size)
8929 outs() << " (past end of file)\n";
8930 else
8931 outs() << "\n";
8932 outs() << " nextrel " << dyst.nextrel;
8933 big_size = dyst.nextrel;
8934 big_size *= sizeof(struct MachO::relocation_info);
8935 big_size += dyst.extreloff;
8936 if (big_size > object_size)
8937 outs() << " (past end of file)\n";
8938 else
8939 outs() << "\n";
8940 outs() << " locreloff " << dyst.locreloff;
8941 if (dyst.locreloff > object_size)
8942 outs() << " (past end of file)\n";
8943 else
8944 outs() << "\n";
8945 outs() << " nlocrel " << dyst.nlocrel;
8946 big_size = dyst.nlocrel;
8947 big_size *= sizeof(struct MachO::relocation_info);
8948 big_size += dyst.locreloff;
8949 if (big_size > object_size)
8950 outs() << " (past end of file)\n";
8951 else
8952 outs() << "\n";
8953}
8954
8955static void PrintDyldInfoLoadCommand(MachO::dyld_info_command dc,
8956 uint32_t object_size) {
8957 if (dc.cmd == MachO::LC_DYLD_INFO)
8958 outs() << " cmd LC_DYLD_INFO\n";
8959 else
8960 outs() << " cmd LC_DYLD_INFO_ONLY\n";
8961 outs() << " cmdsize " << dc.cmdsize;
8962 if (dc.cmdsize != sizeof(struct MachO::dyld_info_command))
8963 outs() << " Incorrect size\n";
8964 else
8965 outs() << "\n";
8966 outs() << " rebase_off " << dc.rebase_off;
8967 if (dc.rebase_off > object_size)
8968 outs() << " (past end of file)\n";
8969 else
8970 outs() << "\n";
8971 outs() << " rebase_size " << dc.rebase_size;
8972 uint64_t big_size;
8973 big_size = dc.rebase_off;
8974 big_size += dc.rebase_size;
8975 if (big_size > object_size)
8976 outs() << " (past end of file)\n";
8977 else
8978 outs() << "\n";
8979 outs() << " bind_off " << dc.bind_off;
8980 if (dc.bind_off > object_size)
8981 outs() << " (past end of file)\n";
8982 else
8983 outs() << "\n";
8984 outs() << " bind_size " << dc.bind_size;
8985 big_size = dc.bind_off;
8986 big_size += dc.bind_size;
8987 if (big_size > object_size)
8988 outs() << " (past end of file)\n";
8989 else
8990 outs() << "\n";
8991 outs() << " weak_bind_off " << dc.weak_bind_off;
8992 if (dc.weak_bind_off > object_size)
8993 outs() << " (past end of file)\n";
8994 else
8995 outs() << "\n";
8996 outs() << " weak_bind_size " << dc.weak_bind_size;
8997 big_size = dc.weak_bind_off;
8998 big_size += dc.weak_bind_size;
8999 if (big_size > object_size)
9000 outs() << " (past end of file)\n";
9001 else
9002 outs() << "\n";
9003 outs() << " lazy_bind_off " << dc.lazy_bind_off;
9004 if (dc.lazy_bind_off > object_size)
9005 outs() << " (past end of file)\n";
9006 else
9007 outs() << "\n";
9008 outs() << " lazy_bind_size " << dc.lazy_bind_size;
9009 big_size = dc.lazy_bind_off;
9010 big_size += dc.lazy_bind_size;
9011 if (big_size > object_size)
9012 outs() << " (past end of file)\n";
9013 else
9014 outs() << "\n";
9015 outs() << " export_off " << dc.export_off;
9016 if (dc.export_off > object_size)
9017 outs() << " (past end of file)\n";
9018 else
9019 outs() << "\n";
9020 outs() << " export_size " << dc.export_size;
9021 big_size = dc.export_off;
9022 big_size += dc.export_size;
9023 if (big_size > object_size)
9024 outs() << " (past end of file)\n";
9025 else
9026 outs() << "\n";
9027}
9028
9029static void PrintDyldLoadCommand(MachO::dylinker_command dyld,
9030 const char *Ptr) {
9031 if (dyld.cmd == MachO::LC_ID_DYLINKER)
9032 outs() << " cmd LC_ID_DYLINKER\n";
9033 else if (dyld.cmd == MachO::LC_LOAD_DYLINKER)
9034 outs() << " cmd LC_LOAD_DYLINKER\n";
9035 else if (dyld.cmd == MachO::LC_DYLD_ENVIRONMENT)
9036 outs() << " cmd LC_DYLD_ENVIRONMENT\n";
9037 else
9038 outs() << " cmd ?(" << dyld.cmd << ")\n";
9039 outs() << " cmdsize " << dyld.cmdsize;
9040 if (dyld.cmdsize < sizeof(struct MachO::dylinker_command))
9041 outs() << " Incorrect size\n";
9042 else
9043 outs() << "\n";
9044 if (dyld.name >= dyld.cmdsize)
9045 outs() << " name ?(bad offset " << dyld.name << ")\n";
9046 else {
9047 const char *P = (const char *)(Ptr) + dyld.name;
9048 outs() << " name " << P << " (offset " << dyld.name << ")\n";
9049 }
9050}
9051
9052static void PrintUuidLoadCommand(MachO::uuid_command uuid) {
9053 outs() << " cmd LC_UUID\n";
9054 outs() << " cmdsize " << uuid.cmdsize;
9055 if (uuid.cmdsize != sizeof(struct MachO::uuid_command))
9056 outs() << " Incorrect size\n";
9057 else
9058 outs() << "\n";
9059 outs() << " uuid ";
9060 for (int i = 0; i < 16; ++i) {
9061 outs() << format(Fmt: "%02" PRIX32, Vals: uuid.uuid[i]);
9062 if (i == 3 || i == 5 || i == 7 || i == 9)
9063 outs() << "-";
9064 }
9065 outs() << "\n";
9066}
9067
9068static void PrintRpathLoadCommand(MachO::rpath_command rpath, const char *Ptr) {
9069 outs() << " cmd LC_RPATH\n";
9070 outs() << " cmdsize " << rpath.cmdsize;
9071 if (rpath.cmdsize < sizeof(struct MachO::rpath_command))
9072 outs() << " Incorrect size\n";
9073 else
9074 outs() << "\n";
9075 if (rpath.path >= rpath.cmdsize)
9076 outs() << " path ?(bad offset " << rpath.path << ")\n";
9077 else {
9078 const char *P = (const char *)(Ptr) + rpath.path;
9079 outs() << " path " << P << " (offset " << rpath.path << ")\n";
9080 }
9081}
9082
9083static void PrintVersionMinLoadCommand(MachO::version_min_command vd) {
9084 StringRef LoadCmdName;
9085 switch (vd.cmd) {
9086 case MachO::LC_VERSION_MIN_MACOSX:
9087 LoadCmdName = "LC_VERSION_MIN_MACOSX";
9088 break;
9089 case MachO::LC_VERSION_MIN_IPHONEOS:
9090 LoadCmdName = "LC_VERSION_MIN_IPHONEOS";
9091 break;
9092 case MachO::LC_VERSION_MIN_TVOS:
9093 LoadCmdName = "LC_VERSION_MIN_TVOS";
9094 break;
9095 case MachO::LC_VERSION_MIN_WATCHOS:
9096 LoadCmdName = "LC_VERSION_MIN_WATCHOS";
9097 break;
9098 default:
9099 llvm_unreachable("Unknown version min load command");
9100 }
9101
9102 outs() << " cmd " << LoadCmdName << '\n';
9103 outs() << " cmdsize " << vd.cmdsize;
9104 if (vd.cmdsize != sizeof(struct MachO::version_min_command))
9105 outs() << " Incorrect size\n";
9106 else
9107 outs() << "\n";
9108 outs() << " version "
9109 << MachOObjectFile::getVersionMinMajor(C&: vd, SDK: false) << "."
9110 << MachOObjectFile::getVersionMinMinor(C&: vd, SDK: false);
9111 uint32_t Update = MachOObjectFile::getVersionMinUpdate(C&: vd, SDK: false);
9112 if (Update != 0)
9113 outs() << "." << Update;
9114 outs() << "\n";
9115 if (vd.sdk == 0)
9116 outs() << " sdk n/a";
9117 else {
9118 outs() << " sdk "
9119 << MachOObjectFile::getVersionMinMajor(C&: vd, SDK: true) << "."
9120 << MachOObjectFile::getVersionMinMinor(C&: vd, SDK: true);
9121 }
9122 Update = MachOObjectFile::getVersionMinUpdate(C&: vd, SDK: true);
9123 if (Update != 0)
9124 outs() << "." << Update;
9125 outs() << "\n";
9126}
9127
9128static void PrintNoteLoadCommand(MachO::note_command Nt) {
9129 outs() << " cmd LC_NOTE\n";
9130 outs() << " cmdsize " << Nt.cmdsize;
9131 if (Nt.cmdsize != sizeof(struct MachO::note_command))
9132 outs() << " Incorrect size\n";
9133 else
9134 outs() << "\n";
9135 const char *d = Nt.data_owner;
9136 outs() << "data_owner " << format(Fmt: "%.16s\n", Vals: d);
9137 outs() << " offset " << Nt.offset << "\n";
9138 outs() << " size " << Nt.size << "\n";
9139}
9140
9141static void PrintBuildToolVersion(MachO::build_tool_version bv, bool verbose) {
9142 outs() << " tool ";
9143 if (verbose)
9144 outs() << MachOObjectFile::getBuildTool(tools: bv.tool);
9145 else
9146 outs() << bv.tool;
9147 outs() << "\n";
9148 outs() << " version " << MachOObjectFile::getVersionString(version: bv.version)
9149 << "\n";
9150}
9151
9152static void PrintBuildVersionLoadCommand(const MachOObjectFile *obj,
9153 MachO::build_version_command bd,
9154 bool verbose) {
9155 outs() << " cmd LC_BUILD_VERSION\n";
9156 outs() << " cmdsize " << bd.cmdsize;
9157 if (bd.cmdsize !=
9158 sizeof(struct MachO::build_version_command) +
9159 bd.ntools * sizeof(struct MachO::build_tool_version))
9160 outs() << " Incorrect size\n";
9161 else
9162 outs() << "\n";
9163 outs() << " platform ";
9164 if (verbose)
9165 outs() << MachOObjectFile::getBuildPlatform(platform: bd.platform);
9166 else
9167 outs() << bd.platform;
9168 outs() << "\n";
9169 if (bd.sdk)
9170 outs() << " sdk " << MachOObjectFile::getVersionString(version: bd.sdk)
9171 << "\n";
9172 else
9173 outs() << " sdk n/a\n";
9174 outs() << " minos " << MachOObjectFile::getVersionString(version: bd.minos)
9175 << "\n";
9176 outs() << " ntools " << bd.ntools << "\n";
9177 for (unsigned i = 0; i < bd.ntools; ++i) {
9178 MachO::build_tool_version bv = obj->getBuildToolVersion(index: i);
9179 PrintBuildToolVersion(bv, verbose);
9180 }
9181}
9182
9183static void PrintSourceVersionCommand(MachO::source_version_command sd) {
9184 outs() << " cmd LC_SOURCE_VERSION\n";
9185 outs() << " cmdsize " << sd.cmdsize;
9186 if (sd.cmdsize != sizeof(struct MachO::source_version_command))
9187 outs() << " Incorrect size\n";
9188 else
9189 outs() << "\n";
9190 uint64_t a = (sd.version >> 40) & 0xffffff;
9191 uint64_t b = (sd.version >> 30) & 0x3ff;
9192 uint64_t c = (sd.version >> 20) & 0x3ff;
9193 uint64_t d = (sd.version >> 10) & 0x3ff;
9194 uint64_t e = sd.version & 0x3ff;
9195 outs() << " version " << a << "." << b;
9196 if (e != 0)
9197 outs() << "." << c << "." << d << "." << e;
9198 else if (d != 0)
9199 outs() << "." << c << "." << d;
9200 else if (c != 0)
9201 outs() << "." << c;
9202 outs() << "\n";
9203}
9204
9205static void PrintEntryPointCommand(MachO::entry_point_command ep) {
9206 outs() << " cmd LC_MAIN\n";
9207 outs() << " cmdsize " << ep.cmdsize;
9208 if (ep.cmdsize != sizeof(struct MachO::entry_point_command))
9209 outs() << " Incorrect size\n";
9210 else
9211 outs() << "\n";
9212 outs() << " entryoff " << ep.entryoff << "\n";
9213 outs() << " stacksize " << ep.stacksize << "\n";
9214}
9215
9216static void PrintEncryptionInfoCommand(MachO::encryption_info_command ec,
9217 uint32_t object_size) {
9218 outs() << " cmd LC_ENCRYPTION_INFO\n";
9219 outs() << " cmdsize " << ec.cmdsize;
9220 if (ec.cmdsize != sizeof(struct MachO::encryption_info_command))
9221 outs() << " Incorrect size\n";
9222 else
9223 outs() << "\n";
9224 outs() << " cryptoff " << ec.cryptoff;
9225 if (ec.cryptoff > object_size)
9226 outs() << " (past end of file)\n";
9227 else
9228 outs() << "\n";
9229 outs() << " cryptsize " << ec.cryptsize;
9230 if (ec.cryptsize > object_size)
9231 outs() << " (past end of file)\n";
9232 else
9233 outs() << "\n";
9234 outs() << " cryptid " << ec.cryptid << "\n";
9235}
9236
9237static void PrintEncryptionInfoCommand64(MachO::encryption_info_command_64 ec,
9238 uint32_t object_size) {
9239 outs() << " cmd LC_ENCRYPTION_INFO_64\n";
9240 outs() << " cmdsize " << ec.cmdsize;
9241 if (ec.cmdsize != sizeof(struct MachO::encryption_info_command_64))
9242 outs() << " Incorrect size\n";
9243 else
9244 outs() << "\n";
9245 outs() << " cryptoff " << ec.cryptoff;
9246 if (ec.cryptoff > object_size)
9247 outs() << " (past end of file)\n";
9248 else
9249 outs() << "\n";
9250 outs() << " cryptsize " << ec.cryptsize;
9251 if (ec.cryptsize > object_size)
9252 outs() << " (past end of file)\n";
9253 else
9254 outs() << "\n";
9255 outs() << " cryptid " << ec.cryptid << "\n";
9256 outs() << " pad " << ec.pad << "\n";
9257}
9258
9259static void PrintLinkerOptionCommand(MachO::linker_option_command lo,
9260 const char *Ptr) {
9261 outs() << " cmd LC_LINKER_OPTION\n";
9262 outs() << " cmdsize " << lo.cmdsize;
9263 if (lo.cmdsize < sizeof(struct MachO::linker_option_command))
9264 outs() << " Incorrect size\n";
9265 else
9266 outs() << "\n";
9267 outs() << " count " << lo.count << "\n";
9268 const char *string = Ptr + sizeof(struct MachO::linker_option_command);
9269 uint32_t left = lo.cmdsize - sizeof(struct MachO::linker_option_command);
9270 uint32_t i = 0;
9271 while (left > 0) {
9272 while (*string == '\0' && left > 0) {
9273 string++;
9274 left--;
9275 }
9276 if (left > 0) {
9277 i++;
9278 outs() << " string #" << i << " " << format(Fmt: "%.*s\n", Vals: left, Vals: string);
9279 uint32_t NullPos = StringRef(string, left).find(C: '\0');
9280 uint32_t len = std::min(a: NullPos, b: left) + 1;
9281 string += len;
9282 left -= len;
9283 }
9284 }
9285 if (lo.count != i)
9286 outs() << " count " << lo.count << " does not match number of strings "
9287 << i << "\n";
9288}
9289
9290static void PrintSubFrameworkCommand(MachO::sub_framework_command sub,
9291 const char *Ptr) {
9292 outs() << " cmd LC_SUB_FRAMEWORK\n";
9293 outs() << " cmdsize " << sub.cmdsize;
9294 if (sub.cmdsize < sizeof(struct MachO::sub_framework_command))
9295 outs() << " Incorrect size\n";
9296 else
9297 outs() << "\n";
9298 if (sub.umbrella < sub.cmdsize) {
9299 const char *P = Ptr + sub.umbrella;
9300 outs() << " umbrella " << P << " (offset " << sub.umbrella << ")\n";
9301 } else {
9302 outs() << " umbrella ?(bad offset " << sub.umbrella << ")\n";
9303 }
9304}
9305
9306static void PrintSubUmbrellaCommand(MachO::sub_umbrella_command sub,
9307 const char *Ptr) {
9308 outs() << " cmd LC_SUB_UMBRELLA\n";
9309 outs() << " cmdsize " << sub.cmdsize;
9310 if (sub.cmdsize < sizeof(struct MachO::sub_umbrella_command))
9311 outs() << " Incorrect size\n";
9312 else
9313 outs() << "\n";
9314 if (sub.sub_umbrella < sub.cmdsize) {
9315 const char *P = Ptr + sub.sub_umbrella;
9316 outs() << " sub_umbrella " << P << " (offset " << sub.sub_umbrella << ")\n";
9317 } else {
9318 outs() << " sub_umbrella ?(bad offset " << sub.sub_umbrella << ")\n";
9319 }
9320}
9321
9322static void PrintSubLibraryCommand(MachO::sub_library_command sub,
9323 const char *Ptr) {
9324 outs() << " cmd LC_SUB_LIBRARY\n";
9325 outs() << " cmdsize " << sub.cmdsize;
9326 if (sub.cmdsize < sizeof(struct MachO::sub_library_command))
9327 outs() << " Incorrect size\n";
9328 else
9329 outs() << "\n";
9330 if (sub.sub_library < sub.cmdsize) {
9331 const char *P = Ptr + sub.sub_library;
9332 outs() << " sub_library " << P << " (offset " << sub.sub_library << ")\n";
9333 } else {
9334 outs() << " sub_library ?(bad offset " << sub.sub_library << ")\n";
9335 }
9336}
9337
9338static void PrintSubClientCommand(MachO::sub_client_command sub,
9339 const char *Ptr) {
9340 outs() << " cmd LC_SUB_CLIENT\n";
9341 outs() << " cmdsize " << sub.cmdsize;
9342 if (sub.cmdsize < sizeof(struct MachO::sub_client_command))
9343 outs() << " Incorrect size\n";
9344 else
9345 outs() << "\n";
9346 if (sub.client < sub.cmdsize) {
9347 const char *P = Ptr + sub.client;
9348 outs() << " client " << P << " (offset " << sub.client << ")\n";
9349 } else {
9350 outs() << " client ?(bad offset " << sub.client << ")\n";
9351 }
9352}
9353
9354static void PrintRoutinesCommand(MachO::routines_command r) {
9355 outs() << " cmd LC_ROUTINES\n";
9356 outs() << " cmdsize " << r.cmdsize;
9357 if (r.cmdsize != sizeof(struct MachO::routines_command))
9358 outs() << " Incorrect size\n";
9359 else
9360 outs() << "\n";
9361 outs() << " init_address " << format(Fmt: "0x%08" PRIx32, Vals: r.init_address) << "\n";
9362 outs() << " init_module " << r.init_module << "\n";
9363 outs() << " reserved1 " << r.reserved1 << "\n";
9364 outs() << " reserved2 " << r.reserved2 << "\n";
9365 outs() << " reserved3 " << r.reserved3 << "\n";
9366 outs() << " reserved4 " << r.reserved4 << "\n";
9367 outs() << " reserved5 " << r.reserved5 << "\n";
9368 outs() << " reserved6 " << r.reserved6 << "\n";
9369}
9370
9371static void PrintRoutinesCommand64(MachO::routines_command_64 r) {
9372 outs() << " cmd LC_ROUTINES_64\n";
9373 outs() << " cmdsize " << r.cmdsize;
9374 if (r.cmdsize != sizeof(struct MachO::routines_command_64))
9375 outs() << " Incorrect size\n";
9376 else
9377 outs() << "\n";
9378 outs() << " init_address " << format(Fmt: "0x%016" PRIx64, Vals: r.init_address) << "\n";
9379 outs() << " init_module " << r.init_module << "\n";
9380 outs() << " reserved1 " << r.reserved1 << "\n";
9381 outs() << " reserved2 " << r.reserved2 << "\n";
9382 outs() << " reserved3 " << r.reserved3 << "\n";
9383 outs() << " reserved4 " << r.reserved4 << "\n";
9384 outs() << " reserved5 " << r.reserved5 << "\n";
9385 outs() << " reserved6 " << r.reserved6 << "\n";
9386}
9387
9388static void Print_x86_thread_state32_t(MachO::x86_thread_state32_t &cpu32) {
9389 outs() << "\t eax " << format(Fmt: "0x%08" PRIx32, Vals: cpu32.eax);
9390 outs() << " ebx " << format(Fmt: "0x%08" PRIx32, Vals: cpu32.ebx);
9391 outs() << " ecx " << format(Fmt: "0x%08" PRIx32, Vals: cpu32.ecx);
9392 outs() << " edx " << format(Fmt: "0x%08" PRIx32, Vals: cpu32.edx) << "\n";
9393 outs() << "\t edi " << format(Fmt: "0x%08" PRIx32, Vals: cpu32.edi);
9394 outs() << " esi " << format(Fmt: "0x%08" PRIx32, Vals: cpu32.esi);
9395 outs() << " ebp " << format(Fmt: "0x%08" PRIx32, Vals: cpu32.ebp);
9396 outs() << " esp " << format(Fmt: "0x%08" PRIx32, Vals: cpu32.esp) << "\n";
9397 outs() << "\t ss " << format(Fmt: "0x%08" PRIx32, Vals: cpu32.ss);
9398 outs() << " eflags " << format(Fmt: "0x%08" PRIx32, Vals: cpu32.eflags);
9399 outs() << " eip " << format(Fmt: "0x%08" PRIx32, Vals: cpu32.eip);
9400 outs() << " cs " << format(Fmt: "0x%08" PRIx32, Vals: cpu32.cs) << "\n";
9401 outs() << "\t ds " << format(Fmt: "0x%08" PRIx32, Vals: cpu32.ds);
9402 outs() << " es " << format(Fmt: "0x%08" PRIx32, Vals: cpu32.es);
9403 outs() << " fs " << format(Fmt: "0x%08" PRIx32, Vals: cpu32.fs);
9404 outs() << " gs " << format(Fmt: "0x%08" PRIx32, Vals: cpu32.gs) << "\n";
9405}
9406
9407static void Print_x86_thread_state64_t(MachO::x86_thread_state64_t &cpu64) {
9408 outs() << " rax " << format(Fmt: "0x%016" PRIx64, Vals: cpu64.rax);
9409 outs() << " rbx " << format(Fmt: "0x%016" PRIx64, Vals: cpu64.rbx);
9410 outs() << " rcx " << format(Fmt: "0x%016" PRIx64, Vals: cpu64.rcx) << "\n";
9411 outs() << " rdx " << format(Fmt: "0x%016" PRIx64, Vals: cpu64.rdx);
9412 outs() << " rdi " << format(Fmt: "0x%016" PRIx64, Vals: cpu64.rdi);
9413 outs() << " rsi " << format(Fmt: "0x%016" PRIx64, Vals: cpu64.rsi) << "\n";
9414 outs() << " rbp " << format(Fmt: "0x%016" PRIx64, Vals: cpu64.rbp);
9415 outs() << " rsp " << format(Fmt: "0x%016" PRIx64, Vals: cpu64.rsp);
9416 outs() << " r8 " << format(Fmt: "0x%016" PRIx64, Vals: cpu64.r8) << "\n";
9417 outs() << " r9 " << format(Fmt: "0x%016" PRIx64, Vals: cpu64.r9);
9418 outs() << " r10 " << format(Fmt: "0x%016" PRIx64, Vals: cpu64.r10);
9419 outs() << " r11 " << format(Fmt: "0x%016" PRIx64, Vals: cpu64.r11) << "\n";
9420 outs() << " r12 " << format(Fmt: "0x%016" PRIx64, Vals: cpu64.r12);
9421 outs() << " r13 " << format(Fmt: "0x%016" PRIx64, Vals: cpu64.r13);
9422 outs() << " r14 " << format(Fmt: "0x%016" PRIx64, Vals: cpu64.r14) << "\n";
9423 outs() << " r15 " << format(Fmt: "0x%016" PRIx64, Vals: cpu64.r15);
9424 outs() << " rip " << format(Fmt: "0x%016" PRIx64, Vals: cpu64.rip) << "\n";
9425 outs() << "rflags " << format(Fmt: "0x%016" PRIx64, Vals: cpu64.rflags);
9426 outs() << " cs " << format(Fmt: "0x%016" PRIx64, Vals: cpu64.cs);
9427 outs() << " fs " << format(Fmt: "0x%016" PRIx64, Vals: cpu64.fs) << "\n";
9428 outs() << " gs " << format(Fmt: "0x%016" PRIx64, Vals: cpu64.gs) << "\n";
9429}
9430
9431static void Print_mmst_reg(MachO::mmst_reg_t &r) {
9432 uint32_t f;
9433 outs() << "\t mmst_reg ";
9434 for (f = 0; f < 10; f++)
9435 outs() << format(Fmt: "%02" PRIx32, Vals: (r.mmst_reg[f] & 0xff)) << " ";
9436 outs() << "\n";
9437 outs() << "\t mmst_rsrv ";
9438 for (f = 0; f < 6; f++)
9439 outs() << format(Fmt: "%02" PRIx32, Vals: (r.mmst_rsrv[f] & 0xff)) << " ";
9440 outs() << "\n";
9441}
9442
9443static void Print_xmm_reg(MachO::xmm_reg_t &r) {
9444 uint32_t f;
9445 outs() << "\t xmm_reg ";
9446 for (f = 0; f < 16; f++)
9447 outs() << format(Fmt: "%02" PRIx32, Vals: (r.xmm_reg[f] & 0xff)) << " ";
9448 outs() << "\n";
9449}
9450
9451static void Print_x86_float_state_t(MachO::x86_float_state64_t &fpu) {
9452 outs() << "\t fpu_reserved[0] " << fpu.fpu_reserved[0];
9453 outs() << " fpu_reserved[1] " << fpu.fpu_reserved[1] << "\n";
9454 outs() << "\t control: invalid " << fpu.fpu_fcw.invalid;
9455 outs() << " denorm " << fpu.fpu_fcw.denorm;
9456 outs() << " zdiv " << fpu.fpu_fcw.zdiv;
9457 outs() << " ovrfl " << fpu.fpu_fcw.ovrfl;
9458 outs() << " undfl " << fpu.fpu_fcw.undfl;
9459 outs() << " precis " << fpu.fpu_fcw.precis << "\n";
9460 outs() << "\t\t pc ";
9461 if (fpu.fpu_fcw.pc == MachO::x86_FP_PREC_24B)
9462 outs() << "FP_PREC_24B ";
9463 else if (fpu.fpu_fcw.pc == MachO::x86_FP_PREC_53B)
9464 outs() << "FP_PREC_53B ";
9465 else if (fpu.fpu_fcw.pc == MachO::x86_FP_PREC_64B)
9466 outs() << "FP_PREC_64B ";
9467 else
9468 outs() << fpu.fpu_fcw.pc << " ";
9469 outs() << "rc ";
9470 if (fpu.fpu_fcw.rc == MachO::x86_FP_RND_NEAR)
9471 outs() << "FP_RND_NEAR ";
9472 else if (fpu.fpu_fcw.rc == MachO::x86_FP_RND_DOWN)
9473 outs() << "FP_RND_DOWN ";
9474 else if (fpu.fpu_fcw.rc == MachO::x86_FP_RND_UP)
9475 outs() << "FP_RND_UP ";
9476 else if (fpu.fpu_fcw.rc == MachO::x86_FP_CHOP)
9477 outs() << "FP_CHOP ";
9478 outs() << "\n";
9479 outs() << "\t status: invalid " << fpu.fpu_fsw.invalid;
9480 outs() << " denorm " << fpu.fpu_fsw.denorm;
9481 outs() << " zdiv " << fpu.fpu_fsw.zdiv;
9482 outs() << " ovrfl " << fpu.fpu_fsw.ovrfl;
9483 outs() << " undfl " << fpu.fpu_fsw.undfl;
9484 outs() << " precis " << fpu.fpu_fsw.precis;
9485 outs() << " stkflt " << fpu.fpu_fsw.stkflt << "\n";
9486 outs() << "\t errsumm " << fpu.fpu_fsw.errsumm;
9487 outs() << " c0 " << fpu.fpu_fsw.c0;
9488 outs() << " c1 " << fpu.fpu_fsw.c1;
9489 outs() << " c2 " << fpu.fpu_fsw.c2;
9490 outs() << " tos " << fpu.fpu_fsw.tos;
9491 outs() << " c3 " << fpu.fpu_fsw.c3;
9492 outs() << " busy " << fpu.fpu_fsw.busy << "\n";
9493 outs() << "\t fpu_ftw " << format(Fmt: "0x%02" PRIx32, Vals: fpu.fpu_ftw);
9494 outs() << " fpu_rsrv1 " << format(Fmt: "0x%02" PRIx32, Vals: fpu.fpu_rsrv1);
9495 outs() << " fpu_fop " << format(Fmt: "0x%04" PRIx32, Vals: fpu.fpu_fop);
9496 outs() << " fpu_ip " << format(Fmt: "0x%08" PRIx32, Vals: fpu.fpu_ip) << "\n";
9497 outs() << "\t fpu_cs " << format(Fmt: "0x%04" PRIx32, Vals: fpu.fpu_cs);
9498 outs() << " fpu_rsrv2 " << format(Fmt: "0x%04" PRIx32, Vals: fpu.fpu_rsrv2);
9499 outs() << " fpu_dp " << format(Fmt: "0x%08" PRIx32, Vals: fpu.fpu_dp);
9500 outs() << " fpu_ds " << format(Fmt: "0x%04" PRIx32, Vals: fpu.fpu_ds) << "\n";
9501 outs() << "\t fpu_rsrv3 " << format(Fmt: "0x%04" PRIx32, Vals: fpu.fpu_rsrv3);
9502 outs() << " fpu_mxcsr " << format(Fmt: "0x%08" PRIx32, Vals: fpu.fpu_mxcsr);
9503 outs() << " fpu_mxcsrmask " << format(Fmt: "0x%08" PRIx32, Vals: fpu.fpu_mxcsrmask);
9504 outs() << "\n";
9505 outs() << "\t fpu_stmm0:\n";
9506 Print_mmst_reg(r&: fpu.fpu_stmm0);
9507 outs() << "\t fpu_stmm1:\n";
9508 Print_mmst_reg(r&: fpu.fpu_stmm1);
9509 outs() << "\t fpu_stmm2:\n";
9510 Print_mmst_reg(r&: fpu.fpu_stmm2);
9511 outs() << "\t fpu_stmm3:\n";
9512 Print_mmst_reg(r&: fpu.fpu_stmm3);
9513 outs() << "\t fpu_stmm4:\n";
9514 Print_mmst_reg(r&: fpu.fpu_stmm4);
9515 outs() << "\t fpu_stmm5:\n";
9516 Print_mmst_reg(r&: fpu.fpu_stmm5);
9517 outs() << "\t fpu_stmm6:\n";
9518 Print_mmst_reg(r&: fpu.fpu_stmm6);
9519 outs() << "\t fpu_stmm7:\n";
9520 Print_mmst_reg(r&: fpu.fpu_stmm7);
9521 outs() << "\t fpu_xmm0:\n";
9522 Print_xmm_reg(r&: fpu.fpu_xmm0);
9523 outs() << "\t fpu_xmm1:\n";
9524 Print_xmm_reg(r&: fpu.fpu_xmm1);
9525 outs() << "\t fpu_xmm2:\n";
9526 Print_xmm_reg(r&: fpu.fpu_xmm2);
9527 outs() << "\t fpu_xmm3:\n";
9528 Print_xmm_reg(r&: fpu.fpu_xmm3);
9529 outs() << "\t fpu_xmm4:\n";
9530 Print_xmm_reg(r&: fpu.fpu_xmm4);
9531 outs() << "\t fpu_xmm5:\n";
9532 Print_xmm_reg(r&: fpu.fpu_xmm5);
9533 outs() << "\t fpu_xmm6:\n";
9534 Print_xmm_reg(r&: fpu.fpu_xmm6);
9535 outs() << "\t fpu_xmm7:\n";
9536 Print_xmm_reg(r&: fpu.fpu_xmm7);
9537 outs() << "\t fpu_xmm8:\n";
9538 Print_xmm_reg(r&: fpu.fpu_xmm8);
9539 outs() << "\t fpu_xmm9:\n";
9540 Print_xmm_reg(r&: fpu.fpu_xmm9);
9541 outs() << "\t fpu_xmm10:\n";
9542 Print_xmm_reg(r&: fpu.fpu_xmm10);
9543 outs() << "\t fpu_xmm11:\n";
9544 Print_xmm_reg(r&: fpu.fpu_xmm11);
9545 outs() << "\t fpu_xmm12:\n";
9546 Print_xmm_reg(r&: fpu.fpu_xmm12);
9547 outs() << "\t fpu_xmm13:\n";
9548 Print_xmm_reg(r&: fpu.fpu_xmm13);
9549 outs() << "\t fpu_xmm14:\n";
9550 Print_xmm_reg(r&: fpu.fpu_xmm14);
9551 outs() << "\t fpu_xmm15:\n";
9552 Print_xmm_reg(r&: fpu.fpu_xmm15);
9553 outs() << "\t fpu_rsrv4:\n";
9554 for (uint32_t f = 0; f < 6; f++) {
9555 outs() << "\t ";
9556 for (uint32_t g = 0; g < 16; g++)
9557 outs() << format(Fmt: "%02" PRIx32, Vals: fpu.fpu_rsrv4[f * g]) << " ";
9558 outs() << "\n";
9559 }
9560 outs() << "\t fpu_reserved1 " << format(Fmt: "0x%08" PRIx32, Vals: fpu.fpu_reserved1);
9561 outs() << "\n";
9562}
9563
9564static void Print_x86_exception_state_t(MachO::x86_exception_state64_t &exc64) {
9565 outs() << "\t trapno " << format(Fmt: "0x%08" PRIx32, Vals: exc64.trapno);
9566 outs() << " err " << format(Fmt: "0x%08" PRIx32, Vals: exc64.err);
9567 outs() << " faultvaddr " << format(Fmt: "0x%016" PRIx64, Vals: exc64.faultvaddr) << "\n";
9568}
9569
9570static void Print_arm_thread_state32_t(MachO::arm_thread_state32_t &cpu32) {
9571 outs() << "\t r0 " << format(Fmt: "0x%08" PRIx32, Vals: cpu32.r[0]);
9572 outs() << " r1 " << format(Fmt: "0x%08" PRIx32, Vals: cpu32.r[1]);
9573 outs() << " r2 " << format(Fmt: "0x%08" PRIx32, Vals: cpu32.r[2]);
9574 outs() << " r3 " << format(Fmt: "0x%08" PRIx32, Vals: cpu32.r[3]) << "\n";
9575 outs() << "\t r4 " << format(Fmt: "0x%08" PRIx32, Vals: cpu32.r[4]);
9576 outs() << " r5 " << format(Fmt: "0x%08" PRIx32, Vals: cpu32.r[5]);
9577 outs() << " r6 " << format(Fmt: "0x%08" PRIx32, Vals: cpu32.r[6]);
9578 outs() << " r7 " << format(Fmt: "0x%08" PRIx32, Vals: cpu32.r[7]) << "\n";
9579 outs() << "\t r8 " << format(Fmt: "0x%08" PRIx32, Vals: cpu32.r[8]);
9580 outs() << " r9 " << format(Fmt: "0x%08" PRIx32, Vals: cpu32.r[9]);
9581 outs() << " r10 " << format(Fmt: "0x%08" PRIx32, Vals: cpu32.r[10]);
9582 outs() << " r11 " << format(Fmt: "0x%08" PRIx32, Vals: cpu32.r[11]) << "\n";
9583 outs() << "\t r12 " << format(Fmt: "0x%08" PRIx32, Vals: cpu32.r[12]);
9584 outs() << " sp " << format(Fmt: "0x%08" PRIx32, Vals: cpu32.sp);
9585 outs() << " lr " << format(Fmt: "0x%08" PRIx32, Vals: cpu32.lr);
9586 outs() << " pc " << format(Fmt: "0x%08" PRIx32, Vals: cpu32.pc) << "\n";
9587 outs() << "\t cpsr " << format(Fmt: "0x%08" PRIx32, Vals: cpu32.cpsr) << "\n";
9588}
9589
9590static void Print_arm_thread_state64_t(MachO::arm_thread_state64_t &cpu64) {
9591 outs() << "\t x0 " << format(Fmt: "0x%016" PRIx64, Vals: cpu64.x[0]);
9592 outs() << " x1 " << format(Fmt: "0x%016" PRIx64, Vals: cpu64.x[1]);
9593 outs() << " x2 " << format(Fmt: "0x%016" PRIx64, Vals: cpu64.x[2]) << "\n";
9594 outs() << "\t x3 " << format(Fmt: "0x%016" PRIx64, Vals: cpu64.x[3]);
9595 outs() << " x4 " << format(Fmt: "0x%016" PRIx64, Vals: cpu64.x[4]);
9596 outs() << " x5 " << format(Fmt: "0x%016" PRIx64, Vals: cpu64.x[5]) << "\n";
9597 outs() << "\t x6 " << format(Fmt: "0x%016" PRIx64, Vals: cpu64.x[6]);
9598 outs() << " x7 " << format(Fmt: "0x%016" PRIx64, Vals: cpu64.x[7]);
9599 outs() << " x8 " << format(Fmt: "0x%016" PRIx64, Vals: cpu64.x[8]) << "\n";
9600 outs() << "\t x9 " << format(Fmt: "0x%016" PRIx64, Vals: cpu64.x[9]);
9601 outs() << " x10 " << format(Fmt: "0x%016" PRIx64, Vals: cpu64.x[10]);
9602 outs() << " x11 " << format(Fmt: "0x%016" PRIx64, Vals: cpu64.x[11]) << "\n";
9603 outs() << "\t x12 " << format(Fmt: "0x%016" PRIx64, Vals: cpu64.x[12]);
9604 outs() << " x13 " << format(Fmt: "0x%016" PRIx64, Vals: cpu64.x[13]);
9605 outs() << " x14 " << format(Fmt: "0x%016" PRIx64, Vals: cpu64.x[14]) << "\n";
9606 outs() << "\t x15 " << format(Fmt: "0x%016" PRIx64, Vals: cpu64.x[15]);
9607 outs() << " x16 " << format(Fmt: "0x%016" PRIx64, Vals: cpu64.x[16]);
9608 outs() << " x17 " << format(Fmt: "0x%016" PRIx64, Vals: cpu64.x[17]) << "\n";
9609 outs() << "\t x18 " << format(Fmt: "0x%016" PRIx64, Vals: cpu64.x[18]);
9610 outs() << " x19 " << format(Fmt: "0x%016" PRIx64, Vals: cpu64.x[19]);
9611 outs() << " x20 " << format(Fmt: "0x%016" PRIx64, Vals: cpu64.x[20]) << "\n";
9612 outs() << "\t x21 " << format(Fmt: "0x%016" PRIx64, Vals: cpu64.x[21]);
9613 outs() << " x22 " << format(Fmt: "0x%016" PRIx64, Vals: cpu64.x[22]);
9614 outs() << " x23 " << format(Fmt: "0x%016" PRIx64, Vals: cpu64.x[23]) << "\n";
9615 outs() << "\t x24 " << format(Fmt: "0x%016" PRIx64, Vals: cpu64.x[24]);
9616 outs() << " x25 " << format(Fmt: "0x%016" PRIx64, Vals: cpu64.x[25]);
9617 outs() << " x26 " << format(Fmt: "0x%016" PRIx64, Vals: cpu64.x[26]) << "\n";
9618 outs() << "\t x27 " << format(Fmt: "0x%016" PRIx64, Vals: cpu64.x[27]);
9619 outs() << " x28 " << format(Fmt: "0x%016" PRIx64, Vals: cpu64.x[28]);
9620 outs() << " fp " << format(Fmt: "0x%016" PRIx64, Vals: cpu64.fp) << "\n";
9621 outs() << "\t lr " << format(Fmt: "0x%016" PRIx64, Vals: cpu64.lr);
9622 outs() << " sp " << format(Fmt: "0x%016" PRIx64, Vals: cpu64.sp);
9623 outs() << " pc " << format(Fmt: "0x%016" PRIx64, Vals: cpu64.pc) << "\n";
9624 outs() << "\t cpsr " << format(Fmt: "0x%08" PRIx32, Vals: cpu64.cpsr) << "\n";
9625}
9626
9627static void PrintThreadCommand(MachO::thread_command t, const char *Ptr,
9628 bool isLittleEndian, uint32_t cputype) {
9629 if (t.cmd == MachO::LC_THREAD)
9630 outs() << " cmd LC_THREAD\n";
9631 else if (t.cmd == MachO::LC_UNIXTHREAD)
9632 outs() << " cmd LC_UNIXTHREAD\n";
9633 else
9634 outs() << " cmd " << t.cmd << " (unknown)\n";
9635 outs() << " cmdsize " << t.cmdsize;
9636 if (t.cmdsize < sizeof(struct MachO::thread_command) + 2 * sizeof(uint32_t))
9637 outs() << " Incorrect size\n";
9638 else
9639 outs() << "\n";
9640
9641 const char *begin = Ptr + sizeof(struct MachO::thread_command);
9642 const char *end = Ptr + t.cmdsize;
9643 uint32_t flavor, count, left;
9644 if (cputype == MachO::CPU_TYPE_I386) {
9645 while (begin < end) {
9646 if (end - begin > (ptrdiff_t)sizeof(uint32_t)) {
9647 memcpy(dest: (char *)&flavor, src: begin, n: sizeof(uint32_t));
9648 begin += sizeof(uint32_t);
9649 } else {
9650 flavor = 0;
9651 begin = end;
9652 }
9653 if (isLittleEndian != sys::IsLittleEndianHost)
9654 sys::swapByteOrder(Value&: flavor);
9655 if (end - begin > (ptrdiff_t)sizeof(uint32_t)) {
9656 memcpy(dest: (char *)&count, src: begin, n: sizeof(uint32_t));
9657 begin += sizeof(uint32_t);
9658 } else {
9659 count = 0;
9660 begin = end;
9661 }
9662 if (isLittleEndian != sys::IsLittleEndianHost)
9663 sys::swapByteOrder(Value&: count);
9664 if (flavor == MachO::x86_THREAD_STATE32) {
9665 outs() << " flavor i386_THREAD_STATE\n";
9666 if (count == MachO::x86_THREAD_STATE32_COUNT)
9667 outs() << " count i386_THREAD_STATE_COUNT\n";
9668 else
9669 outs() << " count " << count
9670 << " (not x86_THREAD_STATE32_COUNT)\n";
9671 MachO::x86_thread_state32_t cpu32;
9672 left = end - begin;
9673 if (left >= sizeof(MachO::x86_thread_state32_t)) {
9674 memcpy(dest: &cpu32, src: begin, n: sizeof(MachO::x86_thread_state32_t));
9675 begin += sizeof(MachO::x86_thread_state32_t);
9676 } else {
9677 memset(s: &cpu32, c: '\0', n: sizeof(MachO::x86_thread_state32_t));
9678 memcpy(dest: &cpu32, src: begin, n: left);
9679 begin += left;
9680 }
9681 if (isLittleEndian != sys::IsLittleEndianHost)
9682 swapStruct(x&: cpu32);
9683 Print_x86_thread_state32_t(cpu32);
9684 } else if (flavor == MachO::x86_THREAD_STATE) {
9685 outs() << " flavor x86_THREAD_STATE\n";
9686 if (count == MachO::x86_THREAD_STATE_COUNT)
9687 outs() << " count x86_THREAD_STATE_COUNT\n";
9688 else
9689 outs() << " count " << count
9690 << " (not x86_THREAD_STATE_COUNT)\n";
9691 struct MachO::x86_thread_state_t ts;
9692 left = end - begin;
9693 if (left >= sizeof(MachO::x86_thread_state_t)) {
9694 memcpy(dest: &ts, src: begin, n: sizeof(MachO::x86_thread_state_t));
9695 begin += sizeof(MachO::x86_thread_state_t);
9696 } else {
9697 memset(s: &ts, c: '\0', n: sizeof(MachO::x86_thread_state_t));
9698 memcpy(dest: &ts, src: begin, n: left);
9699 begin += left;
9700 }
9701 if (isLittleEndian != sys::IsLittleEndianHost)
9702 swapStruct(x&: ts);
9703 if (ts.tsh.flavor == MachO::x86_THREAD_STATE32) {
9704 outs() << "\t tsh.flavor x86_THREAD_STATE32 ";
9705 if (ts.tsh.count == MachO::x86_THREAD_STATE32_COUNT)
9706 outs() << "tsh.count x86_THREAD_STATE32_COUNT\n";
9707 else
9708 outs() << "tsh.count " << ts.tsh.count
9709 << " (not x86_THREAD_STATE32_COUNT\n";
9710 Print_x86_thread_state32_t(cpu32&: ts.uts.ts32);
9711 } else {
9712 outs() << "\t tsh.flavor " << ts.tsh.flavor << " tsh.count "
9713 << ts.tsh.count << "\n";
9714 }
9715 } else {
9716 outs() << " flavor " << flavor << " (unknown)\n";
9717 outs() << " count " << count << "\n";
9718 outs() << " state (unknown)\n";
9719 begin += count * sizeof(uint32_t);
9720 }
9721 }
9722 } else if (cputype == MachO::CPU_TYPE_X86_64) {
9723 while (begin < end) {
9724 if (end - begin > (ptrdiff_t)sizeof(uint32_t)) {
9725 memcpy(dest: (char *)&flavor, src: begin, n: sizeof(uint32_t));
9726 begin += sizeof(uint32_t);
9727 } else {
9728 flavor = 0;
9729 begin = end;
9730 }
9731 if (isLittleEndian != sys::IsLittleEndianHost)
9732 sys::swapByteOrder(Value&: flavor);
9733 if (end - begin > (ptrdiff_t)sizeof(uint32_t)) {
9734 memcpy(dest: (char *)&count, src: begin, n: sizeof(uint32_t));
9735 begin += sizeof(uint32_t);
9736 } else {
9737 count = 0;
9738 begin = end;
9739 }
9740 if (isLittleEndian != sys::IsLittleEndianHost)
9741 sys::swapByteOrder(Value&: count);
9742 if (flavor == MachO::x86_THREAD_STATE64) {
9743 outs() << " flavor x86_THREAD_STATE64\n";
9744 if (count == MachO::x86_THREAD_STATE64_COUNT)
9745 outs() << " count x86_THREAD_STATE64_COUNT\n";
9746 else
9747 outs() << " count " << count
9748 << " (not x86_THREAD_STATE64_COUNT)\n";
9749 MachO::x86_thread_state64_t cpu64;
9750 left = end - begin;
9751 if (left >= sizeof(MachO::x86_thread_state64_t)) {
9752 memcpy(dest: &cpu64, src: begin, n: sizeof(MachO::x86_thread_state64_t));
9753 begin += sizeof(MachO::x86_thread_state64_t);
9754 } else {
9755 memset(s: &cpu64, c: '\0', n: sizeof(MachO::x86_thread_state64_t));
9756 memcpy(dest: &cpu64, src: begin, n: left);
9757 begin += left;
9758 }
9759 if (isLittleEndian != sys::IsLittleEndianHost)
9760 swapStruct(x&: cpu64);
9761 Print_x86_thread_state64_t(cpu64);
9762 } else if (flavor == MachO::x86_THREAD_STATE) {
9763 outs() << " flavor x86_THREAD_STATE\n";
9764 if (count == MachO::x86_THREAD_STATE_COUNT)
9765 outs() << " count x86_THREAD_STATE_COUNT\n";
9766 else
9767 outs() << " count " << count
9768 << " (not x86_THREAD_STATE_COUNT)\n";
9769 struct MachO::x86_thread_state_t ts;
9770 left = end - begin;
9771 if (left >= sizeof(MachO::x86_thread_state_t)) {
9772 memcpy(dest: &ts, src: begin, n: sizeof(MachO::x86_thread_state_t));
9773 begin += sizeof(MachO::x86_thread_state_t);
9774 } else {
9775 memset(s: &ts, c: '\0', n: sizeof(MachO::x86_thread_state_t));
9776 memcpy(dest: &ts, src: begin, n: left);
9777 begin += left;
9778 }
9779 if (isLittleEndian != sys::IsLittleEndianHost)
9780 swapStruct(x&: ts);
9781 if (ts.tsh.flavor == MachO::x86_THREAD_STATE64) {
9782 outs() << "\t tsh.flavor x86_THREAD_STATE64 ";
9783 if (ts.tsh.count == MachO::x86_THREAD_STATE64_COUNT)
9784 outs() << "tsh.count x86_THREAD_STATE64_COUNT\n";
9785 else
9786 outs() << "tsh.count " << ts.tsh.count
9787 << " (not x86_THREAD_STATE64_COUNT\n";
9788 Print_x86_thread_state64_t(cpu64&: ts.uts.ts64);
9789 } else {
9790 outs() << "\t tsh.flavor " << ts.tsh.flavor << " tsh.count "
9791 << ts.tsh.count << "\n";
9792 }
9793 } else if (flavor == MachO::x86_FLOAT_STATE) {
9794 outs() << " flavor x86_FLOAT_STATE\n";
9795 if (count == MachO::x86_FLOAT_STATE_COUNT)
9796 outs() << " count x86_FLOAT_STATE_COUNT\n";
9797 else
9798 outs() << " count " << count << " (not x86_FLOAT_STATE_COUNT)\n";
9799 struct MachO::x86_float_state_t fs;
9800 left = end - begin;
9801 if (left >= sizeof(MachO::x86_float_state_t)) {
9802 memcpy(dest: &fs, src: begin, n: sizeof(MachO::x86_float_state_t));
9803 begin += sizeof(MachO::x86_float_state_t);
9804 } else {
9805 memset(s: &fs, c: '\0', n: sizeof(MachO::x86_float_state_t));
9806 memcpy(dest: &fs, src: begin, n: left);
9807 begin += left;
9808 }
9809 if (isLittleEndian != sys::IsLittleEndianHost)
9810 swapStruct(x&: fs);
9811 if (fs.fsh.flavor == MachO::x86_FLOAT_STATE64) {
9812 outs() << "\t fsh.flavor x86_FLOAT_STATE64 ";
9813 if (fs.fsh.count == MachO::x86_FLOAT_STATE64_COUNT)
9814 outs() << "fsh.count x86_FLOAT_STATE64_COUNT\n";
9815 else
9816 outs() << "fsh.count " << fs.fsh.count
9817 << " (not x86_FLOAT_STATE64_COUNT\n";
9818 Print_x86_float_state_t(fpu&: fs.ufs.fs64);
9819 } else {
9820 outs() << "\t fsh.flavor " << fs.fsh.flavor << " fsh.count "
9821 << fs.fsh.count << "\n";
9822 }
9823 } else if (flavor == MachO::x86_EXCEPTION_STATE) {
9824 outs() << " flavor x86_EXCEPTION_STATE\n";
9825 if (count == MachO::x86_EXCEPTION_STATE_COUNT)
9826 outs() << " count x86_EXCEPTION_STATE_COUNT\n";
9827 else
9828 outs() << " count " << count
9829 << " (not x86_EXCEPTION_STATE_COUNT)\n";
9830 struct MachO::x86_exception_state_t es;
9831 left = end - begin;
9832 if (left >= sizeof(MachO::x86_exception_state_t)) {
9833 memcpy(dest: &es, src: begin, n: sizeof(MachO::x86_exception_state_t));
9834 begin += sizeof(MachO::x86_exception_state_t);
9835 } else {
9836 memset(s: &es, c: '\0', n: sizeof(MachO::x86_exception_state_t));
9837 memcpy(dest: &es, src: begin, n: left);
9838 begin += left;
9839 }
9840 if (isLittleEndian != sys::IsLittleEndianHost)
9841 swapStruct(x&: es);
9842 if (es.esh.flavor == MachO::x86_EXCEPTION_STATE64) {
9843 outs() << "\t esh.flavor x86_EXCEPTION_STATE64\n";
9844 if (es.esh.count == MachO::x86_EXCEPTION_STATE64_COUNT)
9845 outs() << "\t esh.count x86_EXCEPTION_STATE64_COUNT\n";
9846 else
9847 outs() << "\t esh.count " << es.esh.count
9848 << " (not x86_EXCEPTION_STATE64_COUNT\n";
9849 Print_x86_exception_state_t(exc64&: es.ues.es64);
9850 } else {
9851 outs() << "\t esh.flavor " << es.esh.flavor << " esh.count "
9852 << es.esh.count << "\n";
9853 }
9854 } else if (flavor == MachO::x86_EXCEPTION_STATE64) {
9855 outs() << " flavor x86_EXCEPTION_STATE64\n";
9856 if (count == MachO::x86_EXCEPTION_STATE64_COUNT)
9857 outs() << " count x86_EXCEPTION_STATE64_COUNT\n";
9858 else
9859 outs() << " count " << count
9860 << " (not x86_EXCEPTION_STATE64_COUNT)\n";
9861 struct MachO::x86_exception_state64_t es64;
9862 left = end - begin;
9863 if (left >= sizeof(MachO::x86_exception_state64_t)) {
9864 memcpy(dest: &es64, src: begin, n: sizeof(MachO::x86_exception_state64_t));
9865 begin += sizeof(MachO::x86_exception_state64_t);
9866 } else {
9867 memset(s: &es64, c: '\0', n: sizeof(MachO::x86_exception_state64_t));
9868 memcpy(dest: &es64, src: begin, n: left);
9869 begin += left;
9870 }
9871 if (isLittleEndian != sys::IsLittleEndianHost)
9872 swapStruct(x&: es64);
9873 Print_x86_exception_state_t(exc64&: es64);
9874 } else {
9875 outs() << " flavor " << flavor << " (unknown)\n";
9876 outs() << " count " << count << "\n";
9877 outs() << " state (unknown)\n";
9878 begin += count * sizeof(uint32_t);
9879 }
9880 }
9881 } else if (cputype == MachO::CPU_TYPE_ARM) {
9882 while (begin < end) {
9883 if (end - begin > (ptrdiff_t)sizeof(uint32_t)) {
9884 memcpy(dest: (char *)&flavor, src: begin, n: sizeof(uint32_t));
9885 begin += sizeof(uint32_t);
9886 } else {
9887 flavor = 0;
9888 begin = end;
9889 }
9890 if (isLittleEndian != sys::IsLittleEndianHost)
9891 sys::swapByteOrder(Value&: flavor);
9892 if (end - begin > (ptrdiff_t)sizeof(uint32_t)) {
9893 memcpy(dest: (char *)&count, src: begin, n: sizeof(uint32_t));
9894 begin += sizeof(uint32_t);
9895 } else {
9896 count = 0;
9897 begin = end;
9898 }
9899 if (isLittleEndian != sys::IsLittleEndianHost)
9900 sys::swapByteOrder(Value&: count);
9901 if (flavor == MachO::ARM_THREAD_STATE) {
9902 outs() << " flavor ARM_THREAD_STATE\n";
9903 if (count == MachO::ARM_THREAD_STATE_COUNT)
9904 outs() << " count ARM_THREAD_STATE_COUNT\n";
9905 else
9906 outs() << " count " << count
9907 << " (not ARM_THREAD_STATE_COUNT)\n";
9908 MachO::arm_thread_state32_t cpu32;
9909 left = end - begin;
9910 if (left >= sizeof(MachO::arm_thread_state32_t)) {
9911 memcpy(dest: &cpu32, src: begin, n: sizeof(MachO::arm_thread_state32_t));
9912 begin += sizeof(MachO::arm_thread_state32_t);
9913 } else {
9914 memset(s: &cpu32, c: '\0', n: sizeof(MachO::arm_thread_state32_t));
9915 memcpy(dest: &cpu32, src: begin, n: left);
9916 begin += left;
9917 }
9918 if (isLittleEndian != sys::IsLittleEndianHost)
9919 swapStruct(x&: cpu32);
9920 Print_arm_thread_state32_t(cpu32);
9921 } else {
9922 outs() << " flavor " << flavor << " (unknown)\n";
9923 outs() << " count " << count << "\n";
9924 outs() << " state (unknown)\n";
9925 begin += count * sizeof(uint32_t);
9926 }
9927 }
9928 } else if (cputype == MachO::CPU_TYPE_ARM64 ||
9929 cputype == MachO::CPU_TYPE_ARM64_32) {
9930 while (begin < end) {
9931 if (end - begin > (ptrdiff_t)sizeof(uint32_t)) {
9932 memcpy(dest: (char *)&flavor, src: begin, n: sizeof(uint32_t));
9933 begin += sizeof(uint32_t);
9934 } else {
9935 flavor = 0;
9936 begin = end;
9937 }
9938 if (isLittleEndian != sys::IsLittleEndianHost)
9939 sys::swapByteOrder(Value&: flavor);
9940 if (end - begin > (ptrdiff_t)sizeof(uint32_t)) {
9941 memcpy(dest: (char *)&count, src: begin, n: sizeof(uint32_t));
9942 begin += sizeof(uint32_t);
9943 } else {
9944 count = 0;
9945 begin = end;
9946 }
9947 if (isLittleEndian != sys::IsLittleEndianHost)
9948 sys::swapByteOrder(Value&: count);
9949 if (flavor == MachO::ARM_THREAD_STATE64) {
9950 outs() << " flavor ARM_THREAD_STATE64\n";
9951 if (count == MachO::ARM_THREAD_STATE64_COUNT)
9952 outs() << " count ARM_THREAD_STATE64_COUNT\n";
9953 else
9954 outs() << " count " << count
9955 << " (not ARM_THREAD_STATE64_COUNT)\n";
9956 MachO::arm_thread_state64_t cpu64;
9957 left = end - begin;
9958 if (left >= sizeof(MachO::arm_thread_state64_t)) {
9959 memcpy(dest: &cpu64, src: begin, n: sizeof(MachO::arm_thread_state64_t));
9960 begin += sizeof(MachO::arm_thread_state64_t);
9961 } else {
9962 memset(s: &cpu64, c: '\0', n: sizeof(MachO::arm_thread_state64_t));
9963 memcpy(dest: &cpu64, src: begin, n: left);
9964 begin += left;
9965 }
9966 if (isLittleEndian != sys::IsLittleEndianHost)
9967 swapStruct(x&: cpu64);
9968 Print_arm_thread_state64_t(cpu64);
9969 } else {
9970 outs() << " flavor " << flavor << " (unknown)\n";
9971 outs() << " count " << count << "\n";
9972 outs() << " state (unknown)\n";
9973 begin += count * sizeof(uint32_t);
9974 }
9975 }
9976 } else {
9977 while (begin < end) {
9978 if (end - begin > (ptrdiff_t)sizeof(uint32_t)) {
9979 memcpy(dest: (char *)&flavor, src: begin, n: sizeof(uint32_t));
9980 begin += sizeof(uint32_t);
9981 } else {
9982 flavor = 0;
9983 begin = end;
9984 }
9985 if (isLittleEndian != sys::IsLittleEndianHost)
9986 sys::swapByteOrder(Value&: flavor);
9987 if (end - begin > (ptrdiff_t)sizeof(uint32_t)) {
9988 memcpy(dest: (char *)&count, src: begin, n: sizeof(uint32_t));
9989 begin += sizeof(uint32_t);
9990 } else {
9991 count = 0;
9992 begin = end;
9993 }
9994 if (isLittleEndian != sys::IsLittleEndianHost)
9995 sys::swapByteOrder(Value&: count);
9996 outs() << " flavor " << flavor << "\n";
9997 outs() << " count " << count << "\n";
9998 outs() << " state (Unknown cputype/cpusubtype)\n";
9999 begin += count * sizeof(uint32_t);
10000 }
10001 }
10002}
10003
10004static void PrintDylibCommand(MachO::dylib_command dl, const char *Ptr) {
10005 if (dl.cmd == MachO::LC_ID_DYLIB)
10006 outs() << " cmd LC_ID_DYLIB\n";
10007 else if (dl.cmd == MachO::LC_LOAD_DYLIB)
10008 outs() << " cmd LC_LOAD_DYLIB\n";
10009 else if (dl.cmd == MachO::LC_LOAD_WEAK_DYLIB)
10010 outs() << " cmd LC_LOAD_WEAK_DYLIB\n";
10011 else if (dl.cmd == MachO::LC_REEXPORT_DYLIB)
10012 outs() << " cmd LC_REEXPORT_DYLIB\n";
10013 else if (dl.cmd == MachO::LC_LAZY_LOAD_DYLIB)
10014 outs() << " cmd LC_LAZY_LOAD_DYLIB\n";
10015 else if (dl.cmd == MachO::LC_LOAD_UPWARD_DYLIB)
10016 outs() << " cmd LC_LOAD_UPWARD_DYLIB\n";
10017 else
10018 outs() << " cmd " << dl.cmd << " (unknown)\n";
10019 outs() << " cmdsize " << dl.cmdsize;
10020 if (dl.cmdsize < sizeof(struct MachO::dylib_command))
10021 outs() << " Incorrect size\n";
10022 else
10023 outs() << "\n";
10024 if (dl.dylib.name < dl.cmdsize) {
10025 const char *P = (const char *)(Ptr) + dl.dylib.name;
10026 outs() << " name " << P << " (offset " << dl.dylib.name << ")\n";
10027 } else {
10028 outs() << " name ?(bad offset " << dl.dylib.name << ")\n";
10029 }
10030 outs() << " time stamp " << dl.dylib.timestamp << " ";
10031 time_t t = dl.dylib.timestamp;
10032 outs() << ctime(timer: &t);
10033 outs() << " current version ";
10034 if (dl.dylib.current_version == 0xffffffff)
10035 outs() << "n/a\n";
10036 else
10037 outs() << ((dl.dylib.current_version >> 16) & 0xffff) << "."
10038 << ((dl.dylib.current_version >> 8) & 0xff) << "."
10039 << (dl.dylib.current_version & 0xff) << "\n";
10040 outs() << "compatibility version ";
10041 if (dl.dylib.compatibility_version == 0xffffffff)
10042 outs() << "n/a\n";
10043 else
10044 outs() << ((dl.dylib.compatibility_version >> 16) & 0xffff) << "."
10045 << ((dl.dylib.compatibility_version >> 8) & 0xff) << "."
10046 << (dl.dylib.compatibility_version & 0xff) << "\n";
10047}
10048
10049static void PrintLinkEditDataCommand(MachO::linkedit_data_command ld,
10050 uint32_t object_size) {
10051 if (ld.cmd == MachO::LC_CODE_SIGNATURE)
10052 outs() << " cmd LC_CODE_SIGNATURE\n";
10053 else if (ld.cmd == MachO::LC_SEGMENT_SPLIT_INFO)
10054 outs() << " cmd LC_SEGMENT_SPLIT_INFO\n";
10055 else if (ld.cmd == MachO::LC_FUNCTION_STARTS)
10056 outs() << " cmd LC_FUNCTION_STARTS\n";
10057 else if (ld.cmd == MachO::LC_DATA_IN_CODE)
10058 outs() << " cmd LC_DATA_IN_CODE\n";
10059 else if (ld.cmd == MachO::LC_DYLIB_CODE_SIGN_DRS)
10060 outs() << " cmd LC_DYLIB_CODE_SIGN_DRS\n";
10061 else if (ld.cmd == MachO::LC_LINKER_OPTIMIZATION_HINT)
10062 outs() << " cmd LC_LINKER_OPTIMIZATION_HINT\n";
10063 else if (ld.cmd == MachO::LC_DYLD_EXPORTS_TRIE)
10064 outs() << " cmd LC_DYLD_EXPORTS_TRIE\n";
10065 else if (ld.cmd == MachO::LC_DYLD_CHAINED_FIXUPS)
10066 outs() << " cmd LC_DYLD_CHAINED_FIXUPS\n";
10067 else if (ld.cmd == MachO::LC_ATOM_INFO)
10068 outs() << " cmd LC_ATOM_INFO\n";
10069 else
10070 outs() << " cmd " << ld.cmd << " (?)\n";
10071 outs() << " cmdsize " << ld.cmdsize;
10072 if (ld.cmdsize != sizeof(struct MachO::linkedit_data_command))
10073 outs() << " Incorrect size\n";
10074 else
10075 outs() << "\n";
10076 outs() << " dataoff " << ld.dataoff;
10077 if (ld.dataoff > object_size)
10078 outs() << " (past end of file)\n";
10079 else
10080 outs() << "\n";
10081 outs() << " datasize " << ld.datasize;
10082 uint64_t big_size = ld.dataoff;
10083 big_size += ld.datasize;
10084 if (big_size > object_size)
10085 outs() << " (past end of file)\n";
10086 else
10087 outs() << "\n";
10088}
10089
10090static void PrintLoadCommands(const MachOObjectFile *Obj, uint32_t filetype,
10091 uint32_t cputype, bool verbose) {
10092 StringRef Buf = Obj->getData();
10093 unsigned Index = 0;
10094 for (const auto &Command : Obj->load_commands()) {
10095 outs() << "Load command " << Index++ << "\n";
10096 if (Command.C.cmd == MachO::LC_SEGMENT) {
10097 MachO::segment_command SLC = Obj->getSegmentLoadCommand(L: Command);
10098 const char *sg_segname = SLC.segname;
10099 PrintSegmentCommand(cmd: SLC.cmd, cmdsize: SLC.cmdsize, SegName: SLC.segname, vmaddr: SLC.vmaddr,
10100 vmsize: SLC.vmsize, fileoff: SLC.fileoff, filesize: SLC.filesize, maxprot: SLC.maxprot,
10101 initprot: SLC.initprot, nsects: SLC.nsects, flags: SLC.flags, object_size: Buf.size(),
10102 verbose);
10103 for (unsigned j = 0; j < SLC.nsects; j++) {
10104 MachO::section S = Obj->getSection(L: Command, Index: j);
10105 PrintSection(sectname: S.sectname, segname: S.segname, addr: S.addr, size: S.size, offset: S.offset, align: S.align,
10106 reloff: S.reloff, nreloc: S.nreloc, flags: S.flags, reserved1: S.reserved1, reserved2: S.reserved2,
10107 cmd: SLC.cmd, sg_segname, filetype, object_size: Buf.size(), verbose);
10108 }
10109 } else if (Command.C.cmd == MachO::LC_SEGMENT_64) {
10110 MachO::segment_command_64 SLC_64 = Obj->getSegment64LoadCommand(L: Command);
10111 const char *sg_segname = SLC_64.segname;
10112 PrintSegmentCommand(cmd: SLC_64.cmd, cmdsize: SLC_64.cmdsize, SegName: SLC_64.segname,
10113 vmaddr: SLC_64.vmaddr, vmsize: SLC_64.vmsize, fileoff: SLC_64.fileoff,
10114 filesize: SLC_64.filesize, maxprot: SLC_64.maxprot, initprot: SLC_64.initprot,
10115 nsects: SLC_64.nsects, flags: SLC_64.flags, object_size: Buf.size(), verbose);
10116 for (unsigned j = 0; j < SLC_64.nsects; j++) {
10117 MachO::section_64 S_64 = Obj->getSection64(L: Command, Index: j);
10118 PrintSection(sectname: S_64.sectname, segname: S_64.segname, addr: S_64.addr, size: S_64.size,
10119 offset: S_64.offset, align: S_64.align, reloff: S_64.reloff, nreloc: S_64.nreloc,
10120 flags: S_64.flags, reserved1: S_64.reserved1, reserved2: S_64.reserved2, cmd: SLC_64.cmd,
10121 sg_segname, filetype, object_size: Buf.size(), verbose);
10122 }
10123 } else if (Command.C.cmd == MachO::LC_SYMTAB) {
10124 MachO::symtab_command Symtab = Obj->getSymtabLoadCommand();
10125 PrintSymtabLoadCommand(st: Symtab, Is64Bit: Obj->is64Bit(), object_size: Buf.size());
10126 } else if (Command.C.cmd == MachO::LC_DYSYMTAB) {
10127 MachO::dysymtab_command Dysymtab = Obj->getDysymtabLoadCommand();
10128 MachO::symtab_command Symtab = Obj->getSymtabLoadCommand();
10129 PrintDysymtabLoadCommand(dyst: Dysymtab, nsyms: Symtab.nsyms, object_size: Buf.size(),
10130 Is64Bit: Obj->is64Bit());
10131 } else if (Command.C.cmd == MachO::LC_DYLD_INFO ||
10132 Command.C.cmd == MachO::LC_DYLD_INFO_ONLY) {
10133 MachO::dyld_info_command DyldInfo = Obj->getDyldInfoLoadCommand(L: Command);
10134 PrintDyldInfoLoadCommand(dc: DyldInfo, object_size: Buf.size());
10135 } else if (Command.C.cmd == MachO::LC_LOAD_DYLINKER ||
10136 Command.C.cmd == MachO::LC_ID_DYLINKER ||
10137 Command.C.cmd == MachO::LC_DYLD_ENVIRONMENT) {
10138 MachO::dylinker_command Dyld = Obj->getDylinkerCommand(L: Command);
10139 PrintDyldLoadCommand(dyld: Dyld, Ptr: Command.Ptr);
10140 } else if (Command.C.cmd == MachO::LC_UUID) {
10141 MachO::uuid_command Uuid = Obj->getUuidCommand(L: Command);
10142 PrintUuidLoadCommand(uuid: Uuid);
10143 } else if (Command.C.cmd == MachO::LC_RPATH) {
10144 MachO::rpath_command Rpath = Obj->getRpathCommand(L: Command);
10145 PrintRpathLoadCommand(rpath: Rpath, Ptr: Command.Ptr);
10146 } else if (Command.C.cmd == MachO::LC_VERSION_MIN_MACOSX ||
10147 Command.C.cmd == MachO::LC_VERSION_MIN_IPHONEOS ||
10148 Command.C.cmd == MachO::LC_VERSION_MIN_TVOS ||
10149 Command.C.cmd == MachO::LC_VERSION_MIN_WATCHOS) {
10150 MachO::version_min_command Vd = Obj->getVersionMinLoadCommand(L: Command);
10151 PrintVersionMinLoadCommand(vd: Vd);
10152 } else if (Command.C.cmd == MachO::LC_NOTE) {
10153 MachO::note_command Nt = Obj->getNoteLoadCommand(L: Command);
10154 PrintNoteLoadCommand(Nt);
10155 } else if (Command.C.cmd == MachO::LC_BUILD_VERSION) {
10156 MachO::build_version_command Bv =
10157 Obj->getBuildVersionLoadCommand(L: Command);
10158 PrintBuildVersionLoadCommand(obj: Obj, bd: Bv, verbose);
10159 } else if (Command.C.cmd == MachO::LC_SOURCE_VERSION) {
10160 MachO::source_version_command Sd = Obj->getSourceVersionCommand(L: Command);
10161 PrintSourceVersionCommand(sd: Sd);
10162 } else if (Command.C.cmd == MachO::LC_MAIN) {
10163 MachO::entry_point_command Ep = Obj->getEntryPointCommand(L: Command);
10164 PrintEntryPointCommand(ep: Ep);
10165 } else if (Command.C.cmd == MachO::LC_ENCRYPTION_INFO) {
10166 MachO::encryption_info_command Ei =
10167 Obj->getEncryptionInfoCommand(L: Command);
10168 PrintEncryptionInfoCommand(ec: Ei, object_size: Buf.size());
10169 } else if (Command.C.cmd == MachO::LC_ENCRYPTION_INFO_64) {
10170 MachO::encryption_info_command_64 Ei =
10171 Obj->getEncryptionInfoCommand64(L: Command);
10172 PrintEncryptionInfoCommand64(ec: Ei, object_size: Buf.size());
10173 } else if (Command.C.cmd == MachO::LC_LINKER_OPTION) {
10174 MachO::linker_option_command Lo =
10175 Obj->getLinkerOptionLoadCommand(L: Command);
10176 PrintLinkerOptionCommand(lo: Lo, Ptr: Command.Ptr);
10177 } else if (Command.C.cmd == MachO::LC_SUB_FRAMEWORK) {
10178 MachO::sub_framework_command Sf = Obj->getSubFrameworkCommand(L: Command);
10179 PrintSubFrameworkCommand(sub: Sf, Ptr: Command.Ptr);
10180 } else if (Command.C.cmd == MachO::LC_SUB_UMBRELLA) {
10181 MachO::sub_umbrella_command Sf = Obj->getSubUmbrellaCommand(L: Command);
10182 PrintSubUmbrellaCommand(sub: Sf, Ptr: Command.Ptr);
10183 } else if (Command.C.cmd == MachO::LC_SUB_LIBRARY) {
10184 MachO::sub_library_command Sl = Obj->getSubLibraryCommand(L: Command);
10185 PrintSubLibraryCommand(sub: Sl, Ptr: Command.Ptr);
10186 } else if (Command.C.cmd == MachO::LC_SUB_CLIENT) {
10187 MachO::sub_client_command Sc = Obj->getSubClientCommand(L: Command);
10188 PrintSubClientCommand(sub: Sc, Ptr: Command.Ptr);
10189 } else if (Command.C.cmd == MachO::LC_ROUTINES) {
10190 MachO::routines_command Rc = Obj->getRoutinesCommand(L: Command);
10191 PrintRoutinesCommand(r: Rc);
10192 } else if (Command.C.cmd == MachO::LC_ROUTINES_64) {
10193 MachO::routines_command_64 Rc = Obj->getRoutinesCommand64(L: Command);
10194 PrintRoutinesCommand64(r: Rc);
10195 } else if (Command.C.cmd == MachO::LC_THREAD ||
10196 Command.C.cmd == MachO::LC_UNIXTHREAD) {
10197 MachO::thread_command Tc = Obj->getThreadCommand(L: Command);
10198 PrintThreadCommand(t: Tc, Ptr: Command.Ptr, isLittleEndian: Obj->isLittleEndian(), cputype);
10199 } else if (Command.C.cmd == MachO::LC_LOAD_DYLIB ||
10200 Command.C.cmd == MachO::LC_ID_DYLIB ||
10201 Command.C.cmd == MachO::LC_LOAD_WEAK_DYLIB ||
10202 Command.C.cmd == MachO::LC_REEXPORT_DYLIB ||
10203 Command.C.cmd == MachO::LC_LAZY_LOAD_DYLIB ||
10204 Command.C.cmd == MachO::LC_LOAD_UPWARD_DYLIB) {
10205 MachO::dylib_command Dl = Obj->getDylibIDLoadCommand(L: Command);
10206 PrintDylibCommand(dl: Dl, Ptr: Command.Ptr);
10207 } else if (Command.C.cmd == MachO::LC_CODE_SIGNATURE ||
10208 Command.C.cmd == MachO::LC_SEGMENT_SPLIT_INFO ||
10209 Command.C.cmd == MachO::LC_FUNCTION_STARTS ||
10210 Command.C.cmd == MachO::LC_DATA_IN_CODE ||
10211 Command.C.cmd == MachO::LC_DYLIB_CODE_SIGN_DRS ||
10212 Command.C.cmd == MachO::LC_LINKER_OPTIMIZATION_HINT ||
10213 Command.C.cmd == MachO::LC_DYLD_EXPORTS_TRIE ||
10214 Command.C.cmd == MachO::LC_DYLD_CHAINED_FIXUPS ||
10215 Command.C.cmd == MachO::LC_ATOM_INFO) {
10216 MachO::linkedit_data_command Ld =
10217 Obj->getLinkeditDataLoadCommand(L: Command);
10218 PrintLinkEditDataCommand(ld: Ld, object_size: Buf.size());
10219 } else {
10220 outs() << " cmd ?(" << format(Fmt: "0x%08" PRIx32, Vals: Command.C.cmd)
10221 << ")\n";
10222 outs() << " cmdsize " << Command.C.cmdsize << "\n";
10223 // TODO: get and print the raw bytes of the load command.
10224 }
10225 // TODO: print all the other kinds of load commands.
10226 }
10227}
10228
10229static void PrintMachHeader(const MachOObjectFile *Obj, bool verbose) {
10230 if (Obj->is64Bit()) {
10231 MachO::mach_header_64 H_64;
10232 H_64 = Obj->getHeader64();
10233 PrintMachHeader(magic: H_64.magic, cputype: H_64.cputype, cpusubtype: H_64.cpusubtype, filetype: H_64.filetype,
10234 ncmds: H_64.ncmds, sizeofcmds: H_64.sizeofcmds, flags: H_64.flags, verbose);
10235 } else {
10236 MachO::mach_header H;
10237 H = Obj->getHeader();
10238 PrintMachHeader(magic: H.magic, cputype: H.cputype, cpusubtype: H.cpusubtype, filetype: H.filetype, ncmds: H.ncmds,
10239 sizeofcmds: H.sizeofcmds, flags: H.flags, verbose);
10240 }
10241}
10242
10243void objdump::printMachOFileHeader(const object::ObjectFile *Obj) {
10244 const MachOObjectFile *file = cast<const MachOObjectFile>(Val: Obj);
10245 PrintMachHeader(Obj: file, verbose: Verbose);
10246}
10247
10248void MachODumper::printPrivateHeaders() {
10249 printMachOFileHeader(Obj: &Obj);
10250 if (!FirstPrivateHeader)
10251 printMachOLoadCommands(O: &Obj);
10252}
10253
10254void objdump::printMachOLoadCommands(const object::ObjectFile *Obj) {
10255 const MachOObjectFile *file = cast<const MachOObjectFile>(Val: Obj);
10256 uint32_t filetype = 0;
10257 uint32_t cputype = 0;
10258 if (file->is64Bit()) {
10259 MachO::mach_header_64 H_64;
10260 H_64 = file->getHeader64();
10261 filetype = H_64.filetype;
10262 cputype = H_64.cputype;
10263 } else {
10264 MachO::mach_header H;
10265 H = file->getHeader();
10266 filetype = H.filetype;
10267 cputype = H.cputype;
10268 }
10269 PrintLoadCommands(Obj: file, filetype, cputype, verbose: Verbose);
10270}
10271
10272//===----------------------------------------------------------------------===//
10273// export trie dumping
10274//===----------------------------------------------------------------------===//
10275
10276static void printMachOExportsTrie(const object::MachOObjectFile *Obj) {
10277 uint64_t BaseSegmentAddress = 0;
10278 for (const auto &Command : Obj->load_commands()) {
10279 if (Command.C.cmd == MachO::LC_SEGMENT) {
10280 MachO::segment_command Seg = Obj->getSegmentLoadCommand(L: Command);
10281 if (Seg.fileoff == 0 && Seg.filesize != 0) {
10282 BaseSegmentAddress = Seg.vmaddr;
10283 break;
10284 }
10285 } else if (Command.C.cmd == MachO::LC_SEGMENT_64) {
10286 MachO::segment_command_64 Seg = Obj->getSegment64LoadCommand(L: Command);
10287 if (Seg.fileoff == 0 && Seg.filesize != 0) {
10288 BaseSegmentAddress = Seg.vmaddr;
10289 break;
10290 }
10291 }
10292 }
10293 Error Err = Error::success();
10294 for (const object::ExportEntry &Entry : Obj->exports(Err)) {
10295 uint64_t Flags = Entry.flags();
10296 bool ReExport = (Flags & MachO::EXPORT_SYMBOL_FLAGS_REEXPORT);
10297 bool WeakDef = (Flags & MachO::EXPORT_SYMBOL_FLAGS_WEAK_DEFINITION);
10298 bool ThreadLocal = ((Flags & MachO::EXPORT_SYMBOL_FLAGS_KIND_MASK) ==
10299 MachO::EXPORT_SYMBOL_FLAGS_KIND_THREAD_LOCAL);
10300 bool Abs = ((Flags & MachO::EXPORT_SYMBOL_FLAGS_KIND_MASK) ==
10301 MachO::EXPORT_SYMBOL_FLAGS_KIND_ABSOLUTE);
10302 bool Resolver = (Flags & MachO::EXPORT_SYMBOL_FLAGS_STUB_AND_RESOLVER);
10303 if (ReExport)
10304 outs() << "[re-export] ";
10305 else
10306 outs() << format(Fmt: "0x%08llX ",
10307 Vals: Entry.address() + BaseSegmentAddress);
10308 outs() << Entry.name();
10309 if (WeakDef || ThreadLocal || Resolver || Abs) {
10310 ListSeparator LS;
10311 outs() << " [";
10312 if (WeakDef)
10313 outs() << LS << "weak_def";
10314 if (ThreadLocal)
10315 outs() << LS << "per-thread";
10316 if (Abs)
10317 outs() << LS << "absolute";
10318 if (Resolver)
10319 outs() << LS << format(Fmt: "resolver=0x%08llX", Vals: Entry.other());
10320 outs() << "]";
10321 }
10322 if (ReExport) {
10323 StringRef DylibName = "unknown";
10324 int Ordinal = Entry.other() - 1;
10325 Obj->getLibraryShortNameByIndex(Index: Ordinal, DylibName);
10326 if (Entry.otherName().empty())
10327 outs() << " (from " << DylibName << ")";
10328 else
10329 outs() << " (" << Entry.otherName() << " from " << DylibName << ")";
10330 }
10331 outs() << "\n";
10332 }
10333 if (Err)
10334 reportError(E: std::move(Err), FileName: Obj->getFileName());
10335}
10336
10337//===----------------------------------------------------------------------===//
10338// rebase table dumping
10339//===----------------------------------------------------------------------===//
10340
10341static void printMachORebaseTable(object::MachOObjectFile *Obj) {
10342 outs() << "segment section address type\n";
10343 Error Err = Error::success();
10344 for (const object::MachORebaseEntry &Entry : Obj->rebaseTable(Err)) {
10345 StringRef SegmentName = Entry.segmentName();
10346 StringRef SectionName = Entry.sectionName();
10347 uint64_t Address = Entry.address();
10348
10349 // Table lines look like: __DATA __nl_symbol_ptr 0x0000F00C pointer
10350 outs() << format(Fmt: "%-8s %-18s 0x%08" PRIX64 " %s\n",
10351 Vals: SegmentName.str().c_str(), Vals: SectionName.str().c_str(),
10352 Vals: Address, Vals: Entry.typeName().str().c_str());
10353 }
10354 if (Err)
10355 reportError(E: std::move(Err), FileName: Obj->getFileName());
10356}
10357
10358static StringRef ordinalName(const object::MachOObjectFile *Obj, int Ordinal) {
10359 StringRef DylibName;
10360 switch (Ordinal) {
10361 case MachO::BIND_SPECIAL_DYLIB_SELF:
10362 return "this-image";
10363 case MachO::BIND_SPECIAL_DYLIB_MAIN_EXECUTABLE:
10364 return "main-executable";
10365 case MachO::BIND_SPECIAL_DYLIB_FLAT_LOOKUP:
10366 return "flat-namespace";
10367 case MachO::BIND_SPECIAL_DYLIB_WEAK_LOOKUP:
10368 return "weak";
10369 default:
10370 if (Ordinal > 0) {
10371 std::error_code EC =
10372 Obj->getLibraryShortNameByIndex(Index: Ordinal - 1, DylibName);
10373 if (EC)
10374 return "<<bad library ordinal>>";
10375 return DylibName;
10376 }
10377 }
10378 return "<<unknown special ordinal>>";
10379}
10380
10381//===----------------------------------------------------------------------===//
10382// bind table dumping
10383//===----------------------------------------------------------------------===//
10384
10385static void printMachOBindTable(object::MachOObjectFile *Obj) {
10386 // Build table of sections so names can used in final output.
10387 outs() << "segment section address type "
10388 "addend dylib symbol\n";
10389 Error Err = Error::success();
10390 for (const object::MachOBindEntry &Entry : Obj->bindTable(Err)) {
10391 StringRef SegmentName = Entry.segmentName();
10392 StringRef SectionName = Entry.sectionName();
10393 uint64_t Address = Entry.address();
10394
10395 // Table lines look like:
10396 // __DATA __got 0x00012010 pointer 0 libSystem ___stack_chk_guard
10397 StringRef Attr;
10398 if (Entry.flags() & MachO::BIND_SYMBOL_FLAGS_WEAK_IMPORT)
10399 Attr = " (weak_import)";
10400 outs() << left_justify(Str: SegmentName, Width: 8) << " "
10401 << left_justify(Str: SectionName, Width: 18) << " "
10402 << format_hex(N: Address, Width: 10, Upper: true) << " "
10403 << left_justify(Str: Entry.typeName(), Width: 8) << " "
10404 << format_decimal(N: Entry.addend(), Width: 8) << " "
10405 << left_justify(Str: ordinalName(Obj, Ordinal: Entry.ordinal()), Width: 16) << " "
10406 << Entry.symbolName() << Attr << "\n";
10407 }
10408 if (Err)
10409 reportError(E: std::move(Err), FileName: Obj->getFileName());
10410}
10411
10412//===----------------------------------------------------------------------===//
10413// lazy bind table dumping
10414//===----------------------------------------------------------------------===//
10415
10416static void printMachOLazyBindTable(object::MachOObjectFile *Obj) {
10417 outs() << "segment section address "
10418 "dylib symbol\n";
10419 Error Err = Error::success();
10420 for (const object::MachOBindEntry &Entry : Obj->lazyBindTable(Err)) {
10421 StringRef SegmentName = Entry.segmentName();
10422 StringRef SectionName = Entry.sectionName();
10423 uint64_t Address = Entry.address();
10424
10425 // Table lines look like:
10426 // __DATA __got 0x00012010 libSystem ___stack_chk_guard
10427 outs() << left_justify(Str: SegmentName, Width: 8) << " "
10428 << left_justify(Str: SectionName, Width: 18) << " "
10429 << format_hex(N: Address, Width: 10, Upper: true) << " "
10430 << left_justify(Str: ordinalName(Obj, Ordinal: Entry.ordinal()), Width: 16) << " "
10431 << Entry.symbolName() << "\n";
10432 }
10433 if (Err)
10434 reportError(E: std::move(Err), FileName: Obj->getFileName());
10435}
10436
10437//===----------------------------------------------------------------------===//
10438// weak bind table dumping
10439//===----------------------------------------------------------------------===//
10440
10441static void printMachOWeakBindTable(object::MachOObjectFile *Obj) {
10442 outs() << "segment section address "
10443 "type addend symbol\n";
10444 Error Err = Error::success();
10445 for (const object::MachOBindEntry &Entry : Obj->weakBindTable(Err)) {
10446 // Strong symbols don't have a location to update.
10447 if (Entry.flags() & MachO::BIND_SYMBOL_FLAGS_NON_WEAK_DEFINITION) {
10448 outs() << " strong "
10449 << Entry.symbolName() << "\n";
10450 continue;
10451 }
10452 StringRef SegmentName = Entry.segmentName();
10453 StringRef SectionName = Entry.sectionName();
10454 uint64_t Address = Entry.address();
10455
10456 // Table lines look like:
10457 // __DATA __data 0x00001000 pointer 0 _foo
10458 outs() << left_justify(Str: SegmentName, Width: 8) << " "
10459 << left_justify(Str: SectionName, Width: 18) << " "
10460 << format_hex(N: Address, Width: 10, Upper: true) << " "
10461 << left_justify(Str: Entry.typeName(), Width: 8) << " "
10462 << format_decimal(N: Entry.addend(), Width: 8) << " " << Entry.symbolName()
10463 << "\n";
10464 }
10465 if (Err)
10466 reportError(E: std::move(Err), FileName: Obj->getFileName());
10467}
10468
10469// get_dyld_bind_info_symbolname() is used for disassembly and passed an
10470// address, ReferenceValue, in the Mach-O file and looks in the dyld bind
10471// information for that address. If the address is found its binding symbol
10472// name is returned. If not nullptr is returned.
10473static const char *get_dyld_bind_info_symbolname(uint64_t ReferenceValue,
10474 struct DisassembleInfo *info) {
10475 if (info->bindtable == nullptr) {
10476 info->bindtable = std::make_unique<SymbolAddressMap>();
10477 Error Err = Error::success();
10478 for (const object::MachOBindEntry &Entry : info->O->bindTable(Err)) {
10479 uint64_t Address = Entry.address();
10480 StringRef name = Entry.symbolName();
10481 if (!name.empty())
10482 (*info->bindtable)[Address] = name;
10483 }
10484 if (Err)
10485 reportError(E: std::move(Err), FileName: info->O->getFileName());
10486 }
10487 auto name = info->bindtable->lookup(Val: ReferenceValue);
10488 return !name.empty() ? name.data() : nullptr;
10489}
10490
10491void objdump::printLazyBindTable(ObjectFile *o) {
10492 outs() << "\nLazy bind table:\n";
10493 if (MachOObjectFile *MachO = dyn_cast<MachOObjectFile>(Val: o))
10494 printMachOLazyBindTable(Obj: MachO);
10495 else
10496 WithColor::error()
10497 << "This operation is only currently supported "
10498 "for Mach-O executable files.\n";
10499}
10500
10501void objdump::printWeakBindTable(ObjectFile *o) {
10502 outs() << "\nWeak bind table:\n";
10503 if (MachOObjectFile *MachO = dyn_cast<MachOObjectFile>(Val: o))
10504 printMachOWeakBindTable(Obj: MachO);
10505 else
10506 WithColor::error()
10507 << "This operation is only currently supported "
10508 "for Mach-O executable files.\n";
10509}
10510
10511void objdump::printExportsTrie(const ObjectFile *o) {
10512 outs() << "\nExports trie:\n";
10513 if (const MachOObjectFile *MachO = dyn_cast<MachOObjectFile>(Val: o))
10514 printMachOExportsTrie(Obj: MachO);
10515 else
10516 WithColor::error()
10517 << "This operation is only currently supported "
10518 "for Mach-O executable files.\n";
10519}
10520
10521void objdump::printRebaseTable(ObjectFile *o) {
10522 outs() << "\nRebase table:\n";
10523 if (MachOObjectFile *MachO = dyn_cast<MachOObjectFile>(Val: o))
10524 printMachORebaseTable(Obj: MachO);
10525 else
10526 WithColor::error()
10527 << "This operation is only currently supported "
10528 "for Mach-O executable files.\n";
10529}
10530
10531void objdump::printBindTable(ObjectFile *o) {
10532 outs() << "\nBind table:\n";
10533 if (MachOObjectFile *MachO = dyn_cast<MachOObjectFile>(Val: o))
10534 printMachOBindTable(Obj: MachO);
10535 else
10536 WithColor::error()
10537 << "This operation is only currently supported "
10538 "for Mach-O executable files.\n";
10539}
10540