1 //===-- MachODump.cpp - Object file dumping utility for llvm --------------===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // This file implements the MachO-specific dumper for llvm-objdump.
12 //===----------------------------------------------------------------------===//
14 #include "llvm-objdump.h"
15 #include "llvm-c/Disassembler.h"
16 #include "llvm/ADT/STLExtras.h"
17 #include "llvm/ADT/StringExtras.h"
18 #include "llvm/ADT/Triple.h"
19 #include "llvm/Config/config.h"
20 #include "llvm/DebugInfo/DIContext.h"
21 #include "llvm/DebugInfo/DWARF/DWARFContext.h"
22 #include "llvm/MC/MCAsmInfo.h"
23 #include "llvm/MC/MCContext.h"
24 #include "llvm/MC/MCDisassembler.h"
25 #include "llvm/MC/MCInst.h"
26 #include "llvm/MC/MCInstPrinter.h"
27 #include "llvm/MC/MCInstrDesc.h"
28 #include "llvm/MC/MCInstrInfo.h"
29 #include "llvm/MC/MCRegisterInfo.h"
30 #include "llvm/MC/MCSubtargetInfo.h"
31 #include "llvm/Object/MachO.h"
32 #include "llvm/Object/MachOUniversal.h"
33 #include "llvm/Support/Casting.h"
34 #include "llvm/Support/CommandLine.h"
35 #include "llvm/Support/Debug.h"
36 #include "llvm/Support/Endian.h"
37 #include "llvm/Support/Format.h"
38 #include "llvm/Support/FormattedStream.h"
39 #include "llvm/Support/GraphWriter.h"
40 #include "llvm/Support/LEB128.h"
41 #include "llvm/Support/MachO.h"
42 #include "llvm/Support/MemoryBuffer.h"
43 #include "llvm/Support/TargetRegistry.h"
44 #include "llvm/Support/TargetSelect.h"
45 #include "llvm/Support/raw_ostream.h"
48 #include <system_error>
55 using namespace object;
59 cl::desc("Print line information from debug info if available"));
61 static cl::opt<std::string> DSYMFile("dsym",
62 cl::desc("Use .dSYM file for debug info"));
64 static cl::opt<bool> FullLeadingAddr("full-leading-addr",
65 cl::desc("Print full leading address"));
67 static cl::opt<bool> NoLeadingAddr("no-leading-addr",
68 cl::desc("Print no leading address"));
70 cl::opt<bool> llvm::UniversalHeaders("universal-headers",
71 cl::desc("Print Mach-O universal headers "
72 "(requires -macho)"));
75 llvm::ArchiveHeaders("archive-headers",
76 cl::desc("Print archive headers for Mach-O archives "
77 "(requires -macho)"));
80 ArchiveMemberOffsets("archive-member-offsets",
81 cl::desc("Print the offset to each archive member for "
82 "Mach-O archives (requires -macho and "
83 "-archive-headers)"));
86 llvm::IndirectSymbols("indirect-symbols",
87 cl::desc("Print indirect symbol table for Mach-O "
88 "objects (requires -macho)"));
91 llvm::DataInCode("data-in-code",
92 cl::desc("Print the data in code table for Mach-O objects "
93 "(requires -macho)"));
96 llvm::LinkOptHints("link-opt-hints",
97 cl::desc("Print the linker optimization hints for "
98 "Mach-O objects (requires -macho)"));
101 llvm::InfoPlist("info-plist",
102 cl::desc("Print the info plist section as strings for "
103 "Mach-O objects (requires -macho)"));
106 llvm::DylibsUsed("dylibs-used",
107 cl::desc("Print the shared libraries used for linked "
108 "Mach-O files (requires -macho)"));
111 llvm::DylibId("dylib-id",
112 cl::desc("Print the shared library's id for the dylib Mach-O "
113 "file (requires -macho)"));
116 llvm::NonVerbose("non-verbose",
117 cl::desc("Print the info for Mach-O objects in "
118 "non-verbose or numeric form (requires -macho)"));
121 llvm::ObjcMetaData("objc-meta-data",
122 cl::desc("Print the Objective-C runtime meta data for "
123 "Mach-O files (requires -macho)"));
125 cl::opt<std::string> llvm::DisSymName(
127 cl::desc("disassemble just this symbol's instructions (requires -macho"));
129 static cl::opt<bool> NoSymbolicOperands(
130 "no-symbolic-operands",
131 cl::desc("do not symbolic operands when disassembling (requires -macho)"));
133 static cl::list<std::string>
134 ArchFlags("arch", cl::desc("architecture(s) from a Mach-O file to dump"),
137 bool ArchAll = false;
139 static std::string ThumbTripleName;
141 static const Target *GetTarget(const MachOObjectFile *MachOObj,
142 const char **McpuDefault,
143 const Target **ThumbTarget) {
144 // Figure out the target triple.
145 if (TripleName.empty()) {
146 llvm::Triple TT("unknown-unknown-unknown");
147 llvm::Triple ThumbTriple = Triple();
148 TT = MachOObj->getArch(McpuDefault, &ThumbTriple);
149 TripleName = TT.str();
150 ThumbTripleName = ThumbTriple.str();
153 // Get the target specific parser.
155 const Target *TheTarget = TargetRegistry::lookupTarget(TripleName, Error);
156 if (TheTarget && ThumbTripleName.empty())
159 *ThumbTarget = TargetRegistry::lookupTarget(ThumbTripleName, Error);
163 errs() << "llvm-objdump: error: unable to get target for '";
165 errs() << TripleName;
167 errs() << ThumbTripleName;
168 errs() << "', see --version and --triple.\n";
172 struct SymbolSorter {
173 bool operator()(const SymbolRef &A, const SymbolRef &B) {
174 uint64_t AAddr = (A.getType() != SymbolRef::ST_Function) ? 0 : A.getValue();
175 uint64_t BAddr = (B.getType() != SymbolRef::ST_Function) ? 0 : B.getValue();
176 return AAddr < BAddr;
180 // Types for the storted data in code table that is built before disassembly
181 // and the predicate function to sort them.
182 typedef std::pair<uint64_t, DiceRef> DiceTableEntry;
183 typedef std::vector<DiceTableEntry> DiceTable;
184 typedef DiceTable::iterator dice_table_iterator;
186 // This is used to search for a data in code table entry for the PC being
187 // disassembled. The j parameter has the PC in j.first. A single data in code
188 // table entry can cover many bytes for each of its Kind's. So if the offset,
189 // aka the i.first value, of the data in code table entry plus its Length
190 // covers the PC being searched for this will return true. If not it will
192 static bool compareDiceTableEntries(const DiceTableEntry &i,
193 const DiceTableEntry &j) {
195 i.second.getLength(Length);
197 return j.first >= i.first && j.first < i.first + Length;
200 static uint64_t DumpDataInCode(const uint8_t *bytes, uint64_t Length,
201 unsigned short Kind) {
202 uint32_t Value, Size = 1;
206 case MachO::DICE_KIND_DATA:
209 dumpBytes(makeArrayRef(bytes, 4), outs());
210 Value = bytes[3] << 24 | bytes[2] << 16 | bytes[1] << 8 | bytes[0];
211 outs() << "\t.long " << Value;
213 } else if (Length >= 2) {
215 dumpBytes(makeArrayRef(bytes, 2), outs());
216 Value = bytes[1] << 8 | bytes[0];
217 outs() << "\t.short " << Value;
221 dumpBytes(makeArrayRef(bytes, 2), outs());
223 outs() << "\t.byte " << Value;
226 if (Kind == MachO::DICE_KIND_DATA)
227 outs() << "\t@ KIND_DATA\n";
229 outs() << "\t@ data in code kind = " << Kind << "\n";
231 case MachO::DICE_KIND_JUMP_TABLE8:
233 dumpBytes(makeArrayRef(bytes, 1), outs());
235 outs() << "\t.byte " << format("%3u", Value) << "\t@ KIND_JUMP_TABLE8\n";
238 case MachO::DICE_KIND_JUMP_TABLE16:
240 dumpBytes(makeArrayRef(bytes, 2), outs());
241 Value = bytes[1] << 8 | bytes[0];
242 outs() << "\t.short " << format("%5u", Value & 0xffff)
243 << "\t@ KIND_JUMP_TABLE16\n";
246 case MachO::DICE_KIND_JUMP_TABLE32:
247 case MachO::DICE_KIND_ABS_JUMP_TABLE32:
249 dumpBytes(makeArrayRef(bytes, 4), outs());
250 Value = bytes[3] << 24 | bytes[2] << 16 | bytes[1] << 8 | bytes[0];
251 outs() << "\t.long " << Value;
252 if (Kind == MachO::DICE_KIND_JUMP_TABLE32)
253 outs() << "\t@ KIND_JUMP_TABLE32\n";
255 outs() << "\t@ KIND_ABS_JUMP_TABLE32\n";
262 static void getSectionsAndSymbols(MachOObjectFile *MachOObj,
263 std::vector<SectionRef> &Sections,
264 std::vector<SymbolRef> &Symbols,
265 SmallVectorImpl<uint64_t> &FoundFns,
266 uint64_t &BaseSegmentAddress) {
267 for (const SymbolRef &Symbol : MachOObj->symbols()) {
268 ErrorOr<StringRef> SymName = Symbol.getName();
269 if (std::error_code EC = SymName.getError())
270 report_fatal_error(EC.message());
271 if (!SymName->startswith("ltmp"))
272 Symbols.push_back(Symbol);
275 for (const SectionRef &Section : MachOObj->sections()) {
277 Section.getName(SectName);
278 Sections.push_back(Section);
281 bool BaseSegmentAddressSet = false;
282 for (const auto &Command : MachOObj->load_commands()) {
283 if (Command.C.cmd == MachO::LC_FUNCTION_STARTS) {
284 // We found a function starts segment, parse the addresses for later
286 MachO::linkedit_data_command LLC =
287 MachOObj->getLinkeditDataLoadCommand(Command);
289 MachOObj->ReadULEB128s(LLC.dataoff, FoundFns);
290 } else if (Command.C.cmd == MachO::LC_SEGMENT) {
291 MachO::segment_command SLC = MachOObj->getSegmentLoadCommand(Command);
292 StringRef SegName = SLC.segname;
293 if (!BaseSegmentAddressSet && SegName != "__PAGEZERO") {
294 BaseSegmentAddressSet = true;
295 BaseSegmentAddress = SLC.vmaddr;
301 static void PrintIndirectSymbolTable(MachOObjectFile *O, bool verbose,
302 uint32_t n, uint32_t count,
303 uint32_t stride, uint64_t addr) {
304 MachO::dysymtab_command Dysymtab = O->getDysymtabLoadCommand();
305 uint32_t nindirectsyms = Dysymtab.nindirectsyms;
306 if (n > nindirectsyms)
307 outs() << " (entries start past the end of the indirect symbol "
308 "table) (reserved1 field greater than the table size)";
309 else if (n + count > nindirectsyms)
310 outs() << " (entries extends past the end of the indirect symbol "
313 uint32_t cputype = O->getHeader().cputype;
314 if (cputype & MachO::CPU_ARCH_ABI64)
315 outs() << "address index";
317 outs() << "address index";
322 for (uint32_t j = 0; j < count && n + j < nindirectsyms; j++) {
323 if (cputype & MachO::CPU_ARCH_ABI64)
324 outs() << format("0x%016" PRIx64, addr + j * stride) << " ";
326 outs() << format("0x%08" PRIx32, addr + j * stride) << " ";
327 MachO::dysymtab_command Dysymtab = O->getDysymtabLoadCommand();
328 uint32_t indirect_symbol = O->getIndirectSymbolTableEntry(Dysymtab, n + j);
329 if (indirect_symbol == MachO::INDIRECT_SYMBOL_LOCAL) {
333 if (indirect_symbol ==
334 (MachO::INDIRECT_SYMBOL_LOCAL | MachO::INDIRECT_SYMBOL_ABS)) {
335 outs() << "LOCAL ABSOLUTE\n";
338 if (indirect_symbol == MachO::INDIRECT_SYMBOL_ABS) {
339 outs() << "ABSOLUTE\n";
342 outs() << format("%5u ", indirect_symbol);
344 MachO::symtab_command Symtab = O->getSymtabLoadCommand();
345 if (indirect_symbol < Symtab.nsyms) {
346 symbol_iterator Sym = O->getSymbolByIndex(indirect_symbol);
347 SymbolRef Symbol = *Sym;
348 ErrorOr<StringRef> SymName = Symbol.getName();
349 if (std::error_code EC = SymName.getError())
350 report_fatal_error(EC.message());
360 static void PrintIndirectSymbols(MachOObjectFile *O, bool verbose) {
361 for (const auto &Load : O->load_commands()) {
362 if (Load.C.cmd == MachO::LC_SEGMENT_64) {
363 MachO::segment_command_64 Seg = O->getSegment64LoadCommand(Load);
364 for (unsigned J = 0; J < Seg.nsects; ++J) {
365 MachO::section_64 Sec = O->getSection64(Load, J);
366 uint32_t section_type = Sec.flags & MachO::SECTION_TYPE;
367 if (section_type == MachO::S_NON_LAZY_SYMBOL_POINTERS ||
368 section_type == MachO::S_LAZY_SYMBOL_POINTERS ||
369 section_type == MachO::S_LAZY_DYLIB_SYMBOL_POINTERS ||
370 section_type == MachO::S_THREAD_LOCAL_VARIABLE_POINTERS ||
371 section_type == MachO::S_SYMBOL_STUBS) {
373 if (section_type == MachO::S_SYMBOL_STUBS)
374 stride = Sec.reserved2;
378 outs() << "Can't print indirect symbols for (" << Sec.segname << ","
379 << Sec.sectname << ") "
380 << "(size of stubs in reserved2 field is zero)\n";
383 uint32_t count = Sec.size / stride;
384 outs() << "Indirect symbols for (" << Sec.segname << ","
385 << Sec.sectname << ") " << count << " entries";
386 uint32_t n = Sec.reserved1;
387 PrintIndirectSymbolTable(O, verbose, n, count, stride, Sec.addr);
390 } else if (Load.C.cmd == MachO::LC_SEGMENT) {
391 MachO::segment_command Seg = O->getSegmentLoadCommand(Load);
392 for (unsigned J = 0; J < Seg.nsects; ++J) {
393 MachO::section Sec = O->getSection(Load, J);
394 uint32_t section_type = Sec.flags & MachO::SECTION_TYPE;
395 if (section_type == MachO::S_NON_LAZY_SYMBOL_POINTERS ||
396 section_type == MachO::S_LAZY_SYMBOL_POINTERS ||
397 section_type == MachO::S_LAZY_DYLIB_SYMBOL_POINTERS ||
398 section_type == MachO::S_THREAD_LOCAL_VARIABLE_POINTERS ||
399 section_type == MachO::S_SYMBOL_STUBS) {
401 if (section_type == MachO::S_SYMBOL_STUBS)
402 stride = Sec.reserved2;
406 outs() << "Can't print indirect symbols for (" << Sec.segname << ","
407 << Sec.sectname << ") "
408 << "(size of stubs in reserved2 field is zero)\n";
411 uint32_t count = Sec.size / stride;
412 outs() << "Indirect symbols for (" << Sec.segname << ","
413 << Sec.sectname << ") " << count << " entries";
414 uint32_t n = Sec.reserved1;
415 PrintIndirectSymbolTable(O, verbose, n, count, stride, Sec.addr);
422 static void PrintDataInCodeTable(MachOObjectFile *O, bool verbose) {
423 MachO::linkedit_data_command DIC = O->getDataInCodeLoadCommand();
424 uint32_t nentries = DIC.datasize / sizeof(struct MachO::data_in_code_entry);
425 outs() << "Data in code table (" << nentries << " entries)\n";
426 outs() << "offset length kind\n";
427 for (dice_iterator DI = O->begin_dices(), DE = O->end_dices(); DI != DE;
430 DI->getOffset(Offset);
431 outs() << format("0x%08" PRIx32, Offset) << " ";
433 DI->getLength(Length);
434 outs() << format("%6u", Length) << " ";
439 case MachO::DICE_KIND_DATA:
442 case MachO::DICE_KIND_JUMP_TABLE8:
443 outs() << "JUMP_TABLE8";
445 case MachO::DICE_KIND_JUMP_TABLE16:
446 outs() << "JUMP_TABLE16";
448 case MachO::DICE_KIND_JUMP_TABLE32:
449 outs() << "JUMP_TABLE32";
451 case MachO::DICE_KIND_ABS_JUMP_TABLE32:
452 outs() << "ABS_JUMP_TABLE32";
455 outs() << format("0x%04" PRIx32, Kind);
459 outs() << format("0x%04" PRIx32, Kind);
464 static void PrintLinkOptHints(MachOObjectFile *O) {
465 MachO::linkedit_data_command LohLC = O->getLinkOptHintsLoadCommand();
466 const char *loh = O->getData().substr(LohLC.dataoff, 1).data();
467 uint32_t nloh = LohLC.datasize;
468 outs() << "Linker optimiztion hints (" << nloh << " total bytes)\n";
469 for (uint32_t i = 0; i < nloh;) {
471 uint64_t identifier = decodeULEB128((const uint8_t *)(loh + i), &n);
473 outs() << " identifier " << identifier << " ";
476 switch (identifier) {
478 outs() << "AdrpAdrp\n";
481 outs() << "AdrpLdr\n";
484 outs() << "AdrpAddLdr\n";
487 outs() << "AdrpLdrGotLdr\n";
490 outs() << "AdrpAddStr\n";
493 outs() << "AdrpLdrGotStr\n";
496 outs() << "AdrpAdd\n";
499 outs() << "AdrpLdrGot\n";
502 outs() << "Unknown identifier value\n";
505 uint64_t narguments = decodeULEB128((const uint8_t *)(loh + i), &n);
507 outs() << " narguments " << narguments << "\n";
511 for (uint32_t j = 0; j < narguments; j++) {
512 uint64_t value = decodeULEB128((const uint8_t *)(loh + i), &n);
514 outs() << "\tvalue " << format("0x%" PRIx64, value) << "\n";
521 static void PrintDylibs(MachOObjectFile *O, bool JustId) {
523 for (const auto &Load : O->load_commands()) {
524 if ((JustId && Load.C.cmd == MachO::LC_ID_DYLIB) ||
525 (!JustId && (Load.C.cmd == MachO::LC_ID_DYLIB ||
526 Load.C.cmd == MachO::LC_LOAD_DYLIB ||
527 Load.C.cmd == MachO::LC_LOAD_WEAK_DYLIB ||
528 Load.C.cmd == MachO::LC_REEXPORT_DYLIB ||
529 Load.C.cmd == MachO::LC_LAZY_LOAD_DYLIB ||
530 Load.C.cmd == MachO::LC_LOAD_UPWARD_DYLIB))) {
531 MachO::dylib_command dl = O->getDylibIDLoadCommand(Load);
532 if (dl.dylib.name < dl.cmdsize) {
533 const char *p = (const char *)(Load.Ptr) + dl.dylib.name;
538 outs() << " (compatibility version "
539 << ((dl.dylib.compatibility_version >> 16) & 0xffff) << "."
540 << ((dl.dylib.compatibility_version >> 8) & 0xff) << "."
541 << (dl.dylib.compatibility_version & 0xff) << ",";
542 outs() << " current version "
543 << ((dl.dylib.current_version >> 16) & 0xffff) << "."
544 << ((dl.dylib.current_version >> 8) & 0xff) << "."
545 << (dl.dylib.current_version & 0xff) << ")\n";
548 outs() << "\tBad offset (" << dl.dylib.name << ") for name of ";
549 if (Load.C.cmd == MachO::LC_ID_DYLIB)
550 outs() << "LC_ID_DYLIB ";
551 else if (Load.C.cmd == MachO::LC_LOAD_DYLIB)
552 outs() << "LC_LOAD_DYLIB ";
553 else if (Load.C.cmd == MachO::LC_LOAD_WEAK_DYLIB)
554 outs() << "LC_LOAD_WEAK_DYLIB ";
555 else if (Load.C.cmd == MachO::LC_LAZY_LOAD_DYLIB)
556 outs() << "LC_LAZY_LOAD_DYLIB ";
557 else if (Load.C.cmd == MachO::LC_REEXPORT_DYLIB)
558 outs() << "LC_REEXPORT_DYLIB ";
559 else if (Load.C.cmd == MachO::LC_LOAD_UPWARD_DYLIB)
560 outs() << "LC_LOAD_UPWARD_DYLIB ";
563 outs() << "command " << Index++ << "\n";
569 typedef DenseMap<uint64_t, StringRef> SymbolAddressMap;
571 static void CreateSymbolAddressMap(MachOObjectFile *O,
572 SymbolAddressMap *AddrMap) {
573 // Create a map of symbol addresses to symbol names.
574 for (const SymbolRef &Symbol : O->symbols()) {
575 SymbolRef::Type ST = Symbol.getType();
576 if (ST == SymbolRef::ST_Function || ST == SymbolRef::ST_Data ||
577 ST == SymbolRef::ST_Other) {
578 uint64_t Address = Symbol.getValue();
579 ErrorOr<StringRef> SymNameOrErr = Symbol.getName();
580 if (std::error_code EC = SymNameOrErr.getError())
581 report_fatal_error(EC.message());
582 StringRef SymName = *SymNameOrErr;
583 if (!SymName.startswith(".objc"))
584 (*AddrMap)[Address] = SymName;
589 // GuessSymbolName is passed the address of what might be a symbol and a
590 // pointer to the SymbolAddressMap. It returns the name of a symbol
591 // with that address or nullptr if no symbol is found with that address.
592 static const char *GuessSymbolName(uint64_t value, SymbolAddressMap *AddrMap) {
593 const char *SymbolName = nullptr;
594 // A DenseMap can't lookup up some values.
595 if (value != 0xffffffffffffffffULL && value != 0xfffffffffffffffeULL) {
596 StringRef name = AddrMap->lookup(value);
598 SymbolName = name.data();
603 static void DumpCstringChar(const char c) {
607 outs().write_escaped(p);
610 static void DumpCstringSection(MachOObjectFile *O, const char *sect,
611 uint32_t sect_size, uint64_t sect_addr,
612 bool print_addresses) {
613 for (uint32_t i = 0; i < sect_size; i++) {
614 if (print_addresses) {
616 outs() << format("%016" PRIx64, sect_addr + i) << " ";
618 outs() << format("%08" PRIx64, sect_addr + i) << " ";
620 for (; i < sect_size && sect[i] != '\0'; i++)
621 DumpCstringChar(sect[i]);
622 if (i < sect_size && sect[i] == '\0')
627 static void DumpLiteral4(uint32_t l, float f) {
628 outs() << format("0x%08" PRIx32, l);
629 if ((l & 0x7f800000) != 0x7f800000)
630 outs() << format(" (%.16e)\n", f);
633 outs() << " (+Infinity)\n";
634 else if (l == 0xff800000)
635 outs() << " (-Infinity)\n";
636 else if ((l & 0x00400000) == 0x00400000)
637 outs() << " (non-signaling Not-a-Number)\n";
639 outs() << " (signaling Not-a-Number)\n";
643 static void DumpLiteral4Section(MachOObjectFile *O, const char *sect,
644 uint32_t sect_size, uint64_t sect_addr,
645 bool print_addresses) {
646 for (uint32_t i = 0; i < sect_size; i += sizeof(float)) {
647 if (print_addresses) {
649 outs() << format("%016" PRIx64, sect_addr + i) << " ";
651 outs() << format("%08" PRIx64, sect_addr + i) << " ";
654 memcpy(&f, sect + i, sizeof(float));
655 if (O->isLittleEndian() != sys::IsLittleEndianHost)
656 sys::swapByteOrder(f);
658 memcpy(&l, sect + i, sizeof(uint32_t));
659 if (O->isLittleEndian() != sys::IsLittleEndianHost)
660 sys::swapByteOrder(l);
665 static void DumpLiteral8(MachOObjectFile *O, uint32_t l0, uint32_t l1,
667 outs() << format("0x%08" PRIx32, l0) << " " << format("0x%08" PRIx32, l1);
669 if (O->isLittleEndian()) {
676 // Hi is the high word, so this is equivalent to if(isfinite(d))
677 if ((Hi & 0x7ff00000) != 0x7ff00000)
678 outs() << format(" (%.16e)\n", d);
680 if (Hi == 0x7ff00000 && Lo == 0)
681 outs() << " (+Infinity)\n";
682 else if (Hi == 0xfff00000 && Lo == 0)
683 outs() << " (-Infinity)\n";
684 else if ((Hi & 0x00080000) == 0x00080000)
685 outs() << " (non-signaling Not-a-Number)\n";
687 outs() << " (signaling Not-a-Number)\n";
691 static void DumpLiteral8Section(MachOObjectFile *O, const char *sect,
692 uint32_t sect_size, uint64_t sect_addr,
693 bool print_addresses) {
694 for (uint32_t i = 0; i < sect_size; i += sizeof(double)) {
695 if (print_addresses) {
697 outs() << format("%016" PRIx64, sect_addr + i) << " ";
699 outs() << format("%08" PRIx64, sect_addr + i) << " ";
702 memcpy(&d, sect + i, sizeof(double));
703 if (O->isLittleEndian() != sys::IsLittleEndianHost)
704 sys::swapByteOrder(d);
706 memcpy(&l0, sect + i, sizeof(uint32_t));
707 memcpy(&l1, sect + i + sizeof(uint32_t), sizeof(uint32_t));
708 if (O->isLittleEndian() != sys::IsLittleEndianHost) {
709 sys::swapByteOrder(l0);
710 sys::swapByteOrder(l1);
712 DumpLiteral8(O, l0, l1, d);
716 static void DumpLiteral16(uint32_t l0, uint32_t l1, uint32_t l2, uint32_t l3) {
717 outs() << format("0x%08" PRIx32, l0) << " ";
718 outs() << format("0x%08" PRIx32, l1) << " ";
719 outs() << format("0x%08" PRIx32, l2) << " ";
720 outs() << format("0x%08" PRIx32, l3) << "\n";
723 static void DumpLiteral16Section(MachOObjectFile *O, const char *sect,
724 uint32_t sect_size, uint64_t sect_addr,
725 bool print_addresses) {
726 for (uint32_t i = 0; i < sect_size; i += 16) {
727 if (print_addresses) {
729 outs() << format("%016" PRIx64, sect_addr + i) << " ";
731 outs() << format("%08" PRIx64, sect_addr + i) << " ";
733 uint32_t l0, l1, l2, l3;
734 memcpy(&l0, sect + i, sizeof(uint32_t));
735 memcpy(&l1, sect + i + sizeof(uint32_t), sizeof(uint32_t));
736 memcpy(&l2, sect + i + 2 * sizeof(uint32_t), sizeof(uint32_t));
737 memcpy(&l3, sect + i + 3 * sizeof(uint32_t), sizeof(uint32_t));
738 if (O->isLittleEndian() != sys::IsLittleEndianHost) {
739 sys::swapByteOrder(l0);
740 sys::swapByteOrder(l1);
741 sys::swapByteOrder(l2);
742 sys::swapByteOrder(l3);
744 DumpLiteral16(l0, l1, l2, l3);
748 static void DumpLiteralPointerSection(MachOObjectFile *O,
749 const SectionRef &Section,
750 const char *sect, uint32_t sect_size,
752 bool print_addresses) {
753 // Collect the literal sections in this Mach-O file.
754 std::vector<SectionRef> LiteralSections;
755 for (const SectionRef &Section : O->sections()) {
756 DataRefImpl Ref = Section.getRawDataRefImpl();
757 uint32_t section_type;
759 const MachO::section_64 Sec = O->getSection64(Ref);
760 section_type = Sec.flags & MachO::SECTION_TYPE;
762 const MachO::section Sec = O->getSection(Ref);
763 section_type = Sec.flags & MachO::SECTION_TYPE;
765 if (section_type == MachO::S_CSTRING_LITERALS ||
766 section_type == MachO::S_4BYTE_LITERALS ||
767 section_type == MachO::S_8BYTE_LITERALS ||
768 section_type == MachO::S_16BYTE_LITERALS)
769 LiteralSections.push_back(Section);
772 // Set the size of the literal pointer.
773 uint32_t lp_size = O->is64Bit() ? 8 : 4;
775 // Collect the external relocation symbols for the literal pointers.
776 std::vector<std::pair<uint64_t, SymbolRef>> Relocs;
777 for (const RelocationRef &Reloc : Section.relocations()) {
779 MachO::any_relocation_info RE;
780 bool isExtern = false;
781 Rel = Reloc.getRawDataRefImpl();
782 RE = O->getRelocation(Rel);
783 isExtern = O->getPlainRelocationExternal(RE);
785 uint64_t RelocOffset = Reloc.getOffset();
786 symbol_iterator RelocSym = Reloc.getSymbol();
787 Relocs.push_back(std::make_pair(RelocOffset, *RelocSym));
790 array_pod_sort(Relocs.begin(), Relocs.end());
792 // Dump each literal pointer.
793 for (uint32_t i = 0; i < sect_size; i += lp_size) {
794 if (print_addresses) {
796 outs() << format("%016" PRIx64, sect_addr + i) << " ";
798 outs() << format("%08" PRIx64, sect_addr + i) << " ";
802 memcpy(&lp, sect + i, sizeof(uint64_t));
803 if (O->isLittleEndian() != sys::IsLittleEndianHost)
804 sys::swapByteOrder(lp);
807 memcpy(&li, sect + i, sizeof(uint32_t));
808 if (O->isLittleEndian() != sys::IsLittleEndianHost)
809 sys::swapByteOrder(li);
813 // First look for an external relocation entry for this literal pointer.
814 auto Reloc = std::find_if(
815 Relocs.begin(), Relocs.end(),
816 [&](const std::pair<uint64_t, SymbolRef> &P) { return P.first == i; });
817 if (Reloc != Relocs.end()) {
818 symbol_iterator RelocSym = Reloc->second;
819 ErrorOr<StringRef> SymName = RelocSym->getName();
820 if (std::error_code EC = SymName.getError())
821 report_fatal_error(EC.message());
822 outs() << "external relocation entry for symbol:" << *SymName << "\n";
826 // For local references see what the section the literal pointer points to.
827 auto Sect = std::find_if(LiteralSections.begin(), LiteralSections.end(),
828 [&](const SectionRef &R) {
829 return lp >= R.getAddress() &&
830 lp < R.getAddress() + R.getSize();
832 if (Sect == LiteralSections.end()) {
833 outs() << format("0x%" PRIx64, lp) << " (not in a literal section)\n";
837 uint64_t SectAddress = Sect->getAddress();
838 uint64_t SectSize = Sect->getSize();
841 Sect->getName(SectName);
842 DataRefImpl Ref = Sect->getRawDataRefImpl();
843 StringRef SegmentName = O->getSectionFinalSegmentName(Ref);
844 outs() << SegmentName << ":" << SectName << ":";
846 uint32_t section_type;
848 const MachO::section_64 Sec = O->getSection64(Ref);
849 section_type = Sec.flags & MachO::SECTION_TYPE;
851 const MachO::section Sec = O->getSection(Ref);
852 section_type = Sec.flags & MachO::SECTION_TYPE;
856 Sect->getContents(BytesStr);
857 const char *Contents = reinterpret_cast<const char *>(BytesStr.data());
859 switch (section_type) {
860 case MachO::S_CSTRING_LITERALS:
861 for (uint64_t i = lp - SectAddress; i < SectSize && Contents[i] != '\0';
863 DumpCstringChar(Contents[i]);
867 case MachO::S_4BYTE_LITERALS:
869 memcpy(&f, Contents + (lp - SectAddress), sizeof(float));
871 memcpy(&l, Contents + (lp - SectAddress), sizeof(uint32_t));
872 if (O->isLittleEndian() != sys::IsLittleEndianHost) {
873 sys::swapByteOrder(f);
874 sys::swapByteOrder(l);
878 case MachO::S_8BYTE_LITERALS: {
880 memcpy(&d, Contents + (lp - SectAddress), sizeof(double));
882 memcpy(&l0, Contents + (lp - SectAddress), sizeof(uint32_t));
883 memcpy(&l1, Contents + (lp - SectAddress) + sizeof(uint32_t),
885 if (O->isLittleEndian() != sys::IsLittleEndianHost) {
886 sys::swapByteOrder(f);
887 sys::swapByteOrder(l0);
888 sys::swapByteOrder(l1);
890 DumpLiteral8(O, l0, l1, d);
893 case MachO::S_16BYTE_LITERALS: {
894 uint32_t l0, l1, l2, l3;
895 memcpy(&l0, Contents + (lp - SectAddress), sizeof(uint32_t));
896 memcpy(&l1, Contents + (lp - SectAddress) + sizeof(uint32_t),
898 memcpy(&l2, Contents + (lp - SectAddress) + 2 * sizeof(uint32_t),
900 memcpy(&l3, Contents + (lp - SectAddress) + 3 * sizeof(uint32_t),
902 if (O->isLittleEndian() != sys::IsLittleEndianHost) {
903 sys::swapByteOrder(l0);
904 sys::swapByteOrder(l1);
905 sys::swapByteOrder(l2);
906 sys::swapByteOrder(l3);
908 DumpLiteral16(l0, l1, l2, l3);
915 static void DumpInitTermPointerSection(MachOObjectFile *O, const char *sect,
916 uint32_t sect_size, uint64_t sect_addr,
917 SymbolAddressMap *AddrMap,
921 stride = sizeof(uint64_t);
923 stride = sizeof(uint32_t);
924 for (uint32_t i = 0; i < sect_size; i += stride) {
925 const char *SymbolName = nullptr;
927 outs() << format("0x%016" PRIx64, sect_addr + i * stride) << " ";
928 uint64_t pointer_value;
929 memcpy(&pointer_value, sect + i, stride);
930 if (O->isLittleEndian() != sys::IsLittleEndianHost)
931 sys::swapByteOrder(pointer_value);
932 outs() << format("0x%016" PRIx64, pointer_value);
934 SymbolName = GuessSymbolName(pointer_value, AddrMap);
936 outs() << format("0x%08" PRIx64, sect_addr + i * stride) << " ";
937 uint32_t pointer_value;
938 memcpy(&pointer_value, sect + i, stride);
939 if (O->isLittleEndian() != sys::IsLittleEndianHost)
940 sys::swapByteOrder(pointer_value);
941 outs() << format("0x%08" PRIx32, pointer_value);
943 SymbolName = GuessSymbolName(pointer_value, AddrMap);
946 outs() << " " << SymbolName;
951 static void DumpRawSectionContents(MachOObjectFile *O, const char *sect,
952 uint32_t size, uint64_t addr) {
953 uint32_t cputype = O->getHeader().cputype;
954 if (cputype == MachO::CPU_TYPE_I386 || cputype == MachO::CPU_TYPE_X86_64) {
956 for (uint32_t i = 0; i < size; i += j, addr += j) {
958 outs() << format("%016" PRIx64, addr) << "\t";
960 outs() << format("%08" PRIx64, addr) << "\t";
961 for (j = 0; j < 16 && i + j < size; j++) {
962 uint8_t byte_word = *(sect + i + j);
963 outs() << format("%02" PRIx32, (uint32_t)byte_word) << " ";
969 for (uint32_t i = 0; i < size; i += j, addr += j) {
971 outs() << format("%016" PRIx64, addr) << "\t";
973 outs() << format("%08" PRIx64, sect) << "\t";
974 for (j = 0; j < 4 * sizeof(int32_t) && i + j < size;
975 j += sizeof(int32_t)) {
976 if (i + j + sizeof(int32_t) < size) {
978 memcpy(&long_word, sect + i + j, sizeof(int32_t));
979 if (O->isLittleEndian() != sys::IsLittleEndianHost)
980 sys::swapByteOrder(long_word);
981 outs() << format("%08" PRIx32, long_word) << " ";
983 for (uint32_t k = 0; i + j + k < size; k++) {
984 uint8_t byte_word = *(sect + i + j);
985 outs() << format("%02" PRIx32, (uint32_t)byte_word) << " ";
994 static void DisassembleMachO(StringRef Filename, MachOObjectFile *MachOOF,
995 StringRef DisSegName, StringRef DisSectName);
996 static void DumpProtocolSection(MachOObjectFile *O, const char *sect,
997 uint32_t size, uint32_t addr);
999 static void DumpSectionContents(StringRef Filename, MachOObjectFile *O,
1001 SymbolAddressMap AddrMap;
1003 CreateSymbolAddressMap(O, &AddrMap);
1005 for (unsigned i = 0; i < FilterSections.size(); ++i) {
1006 StringRef DumpSection = FilterSections[i];
1007 std::pair<StringRef, StringRef> DumpSegSectName;
1008 DumpSegSectName = DumpSection.split(',');
1009 StringRef DumpSegName, DumpSectName;
1010 if (DumpSegSectName.second.size()) {
1011 DumpSegName = DumpSegSectName.first;
1012 DumpSectName = DumpSegSectName.second;
1015 DumpSectName = DumpSegSectName.first;
1017 for (const SectionRef &Section : O->sections()) {
1019 Section.getName(SectName);
1020 DataRefImpl Ref = Section.getRawDataRefImpl();
1021 StringRef SegName = O->getSectionFinalSegmentName(Ref);
1022 if ((DumpSegName.empty() || SegName == DumpSegName) &&
1023 (SectName == DumpSectName)) {
1025 uint32_t section_flags;
1027 const MachO::section_64 Sec = O->getSection64(Ref);
1028 section_flags = Sec.flags;
1031 const MachO::section Sec = O->getSection(Ref);
1032 section_flags = Sec.flags;
1034 uint32_t section_type = section_flags & MachO::SECTION_TYPE;
1037 Section.getContents(BytesStr);
1038 const char *sect = reinterpret_cast<const char *>(BytesStr.data());
1039 uint32_t sect_size = BytesStr.size();
1040 uint64_t sect_addr = Section.getAddress();
1042 outs() << "Contents of (" << SegName << "," << SectName
1046 if ((section_flags & MachO::S_ATTR_PURE_INSTRUCTIONS) ||
1047 (section_flags & MachO::S_ATTR_SOME_INSTRUCTIONS)) {
1048 DisassembleMachO(Filename, O, SegName, SectName);
1051 if (SegName == "__TEXT" && SectName == "__info_plist") {
1055 if (SegName == "__OBJC" && SectName == "__protocol") {
1056 DumpProtocolSection(O, sect, sect_size, sect_addr);
1059 switch (section_type) {
1060 case MachO::S_REGULAR:
1061 DumpRawSectionContents(O, sect, sect_size, sect_addr);
1063 case MachO::S_ZEROFILL:
1064 outs() << "zerofill section and has no contents in the file\n";
1066 case MachO::S_CSTRING_LITERALS:
1067 DumpCstringSection(O, sect, sect_size, sect_addr, !NoLeadingAddr);
1069 case MachO::S_4BYTE_LITERALS:
1070 DumpLiteral4Section(O, sect, sect_size, sect_addr, !NoLeadingAddr);
1072 case MachO::S_8BYTE_LITERALS:
1073 DumpLiteral8Section(O, sect, sect_size, sect_addr, !NoLeadingAddr);
1075 case MachO::S_16BYTE_LITERALS:
1076 DumpLiteral16Section(O, sect, sect_size, sect_addr, !NoLeadingAddr);
1078 case MachO::S_LITERAL_POINTERS:
1079 DumpLiteralPointerSection(O, Section, sect, sect_size, sect_addr,
1082 case MachO::S_MOD_INIT_FUNC_POINTERS:
1083 case MachO::S_MOD_TERM_FUNC_POINTERS:
1084 DumpInitTermPointerSection(O, sect, sect_size, sect_addr, &AddrMap,
1088 outs() << "Unknown section type ("
1089 << format("0x%08" PRIx32, section_type) << ")\n";
1090 DumpRawSectionContents(O, sect, sect_size, sect_addr);
1094 if (section_type == MachO::S_ZEROFILL)
1095 outs() << "zerofill section and has no contents in the file\n";
1097 DumpRawSectionContents(O, sect, sect_size, sect_addr);
1104 static void DumpInfoPlistSectionContents(StringRef Filename,
1105 MachOObjectFile *O) {
1106 for (const SectionRef &Section : O->sections()) {
1108 Section.getName(SectName);
1109 DataRefImpl Ref = Section.getRawDataRefImpl();
1110 StringRef SegName = O->getSectionFinalSegmentName(Ref);
1111 if (SegName == "__TEXT" && SectName == "__info_plist") {
1112 outs() << "Contents of (" << SegName << "," << SectName << ") section\n";
1114 Section.getContents(BytesStr);
1115 const char *sect = reinterpret_cast<const char *>(BytesStr.data());
1122 // checkMachOAndArchFlags() checks to see if the ObjectFile is a Mach-O file
1123 // and if it is and there is a list of architecture flags is specified then
1124 // check to make sure this Mach-O file is one of those architectures or all
1125 // architectures were specified. If not then an error is generated and this
1126 // routine returns false. Else it returns true.
1127 static bool checkMachOAndArchFlags(ObjectFile *O, StringRef Filename) {
1128 if (isa<MachOObjectFile>(O) && !ArchAll && ArchFlags.size() != 0) {
1129 MachOObjectFile *MachO = dyn_cast<MachOObjectFile>(O);
1130 bool ArchFound = false;
1131 MachO::mach_header H;
1132 MachO::mach_header_64 H_64;
1134 if (MachO->is64Bit()) {
1135 H_64 = MachO->MachOObjectFile::getHeader64();
1136 T = MachOObjectFile::getArch(H_64.cputype, H_64.cpusubtype);
1138 H = MachO->MachOObjectFile::getHeader();
1139 T = MachOObjectFile::getArch(H.cputype, H.cpusubtype);
1142 for (i = 0; i < ArchFlags.size(); ++i) {
1143 if (ArchFlags[i] == T.getArchName())
1148 errs() << "llvm-objdump: file: " + Filename + " does not contain "
1149 << "architecture: " + ArchFlags[i] + "\n";
1156 static void printObjcMetaData(MachOObjectFile *O, bool verbose);
1158 // ProcessMachO() is passed a single opened Mach-O file, which may be an
1159 // archive member and or in a slice of a universal file. It prints the
1160 // the file name and header info and then processes it according to the
1161 // command line options.
1162 static void ProcessMachO(StringRef Filename, MachOObjectFile *MachOOF,
1163 StringRef ArchiveMemberName = StringRef(),
1164 StringRef ArchitectureName = StringRef()) {
1165 // If we are doing some processing here on the Mach-O file print the header
1166 // info. And don't print it otherwise like in the case of printing the
1167 // UniversalHeaders or ArchiveHeaders.
1168 if (Disassemble || PrivateHeaders || ExportsTrie || Rebase || Bind ||
1169 LazyBind || WeakBind || IndirectSymbols || DataInCode || LinkOptHints ||
1170 DylibsUsed || DylibId || ObjcMetaData || (FilterSections.size() != 0)) {
1172 if (!ArchiveMemberName.empty())
1173 outs() << '(' << ArchiveMemberName << ')';
1174 if (!ArchitectureName.empty())
1175 outs() << " (architecture " << ArchitectureName << ")";
1180 DisassembleMachO(Filename, MachOOF, "__TEXT", "__text");
1181 if (IndirectSymbols)
1182 PrintIndirectSymbols(MachOOF, !NonVerbose);
1184 PrintDataInCodeTable(MachOOF, !NonVerbose);
1186 PrintLinkOptHints(MachOOF);
1188 PrintRelocations(MachOOF);
1190 PrintSectionHeaders(MachOOF);
1191 if (SectionContents)
1192 PrintSectionContents(MachOOF);
1193 if (FilterSections.size() != 0)
1194 DumpSectionContents(Filename, MachOOF, !NonVerbose);
1196 DumpInfoPlistSectionContents(Filename, MachOOF);
1198 PrintDylibs(MachOOF, false);
1200 PrintDylibs(MachOOF, true);
1202 PrintSymbolTable(MachOOF);
1204 printMachOUnwindInfo(MachOOF);
1206 printMachOFileHeader(MachOOF);
1208 printObjcMetaData(MachOOF, !NonVerbose);
1210 printExportsTrie(MachOOF);
1212 printRebaseTable(MachOOF);
1214 printBindTable(MachOOF);
1216 printLazyBindTable(MachOOF);
1218 printWeakBindTable(MachOOF);
1221 // printUnknownCPUType() helps print_fat_headers for unknown CPU's.
1222 static void printUnknownCPUType(uint32_t cputype, uint32_t cpusubtype) {
1223 outs() << " cputype (" << cputype << ")\n";
1224 outs() << " cpusubtype (" << cpusubtype << ")\n";
1227 // printCPUType() helps print_fat_headers by printing the cputype and
1228 // pusubtype (symbolically for the one's it knows about).
1229 static void printCPUType(uint32_t cputype, uint32_t cpusubtype) {
1231 case MachO::CPU_TYPE_I386:
1232 switch (cpusubtype) {
1233 case MachO::CPU_SUBTYPE_I386_ALL:
1234 outs() << " cputype CPU_TYPE_I386\n";
1235 outs() << " cpusubtype CPU_SUBTYPE_I386_ALL\n";
1238 printUnknownCPUType(cputype, cpusubtype);
1242 case MachO::CPU_TYPE_X86_64:
1243 switch (cpusubtype) {
1244 case MachO::CPU_SUBTYPE_X86_64_ALL:
1245 outs() << " cputype CPU_TYPE_X86_64\n";
1246 outs() << " cpusubtype CPU_SUBTYPE_X86_64_ALL\n";
1248 case MachO::CPU_SUBTYPE_X86_64_H:
1249 outs() << " cputype CPU_TYPE_X86_64\n";
1250 outs() << " cpusubtype CPU_SUBTYPE_X86_64_H\n";
1253 printUnknownCPUType(cputype, cpusubtype);
1257 case MachO::CPU_TYPE_ARM:
1258 switch (cpusubtype) {
1259 case MachO::CPU_SUBTYPE_ARM_ALL:
1260 outs() << " cputype CPU_TYPE_ARM\n";
1261 outs() << " cpusubtype CPU_SUBTYPE_ARM_ALL\n";
1263 case MachO::CPU_SUBTYPE_ARM_V4T:
1264 outs() << " cputype CPU_TYPE_ARM\n";
1265 outs() << " cpusubtype CPU_SUBTYPE_ARM_V4T\n";
1267 case MachO::CPU_SUBTYPE_ARM_V5TEJ:
1268 outs() << " cputype CPU_TYPE_ARM\n";
1269 outs() << " cpusubtype CPU_SUBTYPE_ARM_V5TEJ\n";
1271 case MachO::CPU_SUBTYPE_ARM_XSCALE:
1272 outs() << " cputype CPU_TYPE_ARM\n";
1273 outs() << " cpusubtype CPU_SUBTYPE_ARM_XSCALE\n";
1275 case MachO::CPU_SUBTYPE_ARM_V6:
1276 outs() << " cputype CPU_TYPE_ARM\n";
1277 outs() << " cpusubtype CPU_SUBTYPE_ARM_V6\n";
1279 case MachO::CPU_SUBTYPE_ARM_V6M:
1280 outs() << " cputype CPU_TYPE_ARM\n";
1281 outs() << " cpusubtype CPU_SUBTYPE_ARM_V6M\n";
1283 case MachO::CPU_SUBTYPE_ARM_V7:
1284 outs() << " cputype CPU_TYPE_ARM\n";
1285 outs() << " cpusubtype CPU_SUBTYPE_ARM_V7\n";
1287 case MachO::CPU_SUBTYPE_ARM_V7EM:
1288 outs() << " cputype CPU_TYPE_ARM\n";
1289 outs() << " cpusubtype CPU_SUBTYPE_ARM_V7EM\n";
1291 case MachO::CPU_SUBTYPE_ARM_V7K:
1292 outs() << " cputype CPU_TYPE_ARM\n";
1293 outs() << " cpusubtype CPU_SUBTYPE_ARM_V7K\n";
1295 case MachO::CPU_SUBTYPE_ARM_V7M:
1296 outs() << " cputype CPU_TYPE_ARM\n";
1297 outs() << " cpusubtype CPU_SUBTYPE_ARM_V7M\n";
1299 case MachO::CPU_SUBTYPE_ARM_V7S:
1300 outs() << " cputype CPU_TYPE_ARM\n";
1301 outs() << " cpusubtype CPU_SUBTYPE_ARM_V7S\n";
1304 printUnknownCPUType(cputype, cpusubtype);
1308 case MachO::CPU_TYPE_ARM64:
1309 switch (cpusubtype & ~MachO::CPU_SUBTYPE_MASK) {
1310 case MachO::CPU_SUBTYPE_ARM64_ALL:
1311 outs() << " cputype CPU_TYPE_ARM64\n";
1312 outs() << " cpusubtype CPU_SUBTYPE_ARM64_ALL\n";
1315 printUnknownCPUType(cputype, cpusubtype);
1320 printUnknownCPUType(cputype, cpusubtype);
1325 static void printMachOUniversalHeaders(const object::MachOUniversalBinary *UB,
1327 outs() << "Fat headers\n";
1329 outs() << "fat_magic FAT_MAGIC\n";
1331 outs() << "fat_magic " << format("0x%" PRIx32, MachO::FAT_MAGIC) << "\n";
1333 uint32_t nfat_arch = UB->getNumberOfObjects();
1334 StringRef Buf = UB->getData();
1335 uint64_t size = Buf.size();
1336 uint64_t big_size = sizeof(struct MachO::fat_header) +
1337 nfat_arch * sizeof(struct MachO::fat_arch);
1338 outs() << "nfat_arch " << UB->getNumberOfObjects();
1340 outs() << " (malformed, contains zero architecture types)\n";
1341 else if (big_size > size)
1342 outs() << " (malformed, architectures past end of file)\n";
1346 for (uint32_t i = 0; i < nfat_arch; ++i) {
1347 MachOUniversalBinary::ObjectForArch OFA(UB, i);
1348 uint32_t cputype = OFA.getCPUType();
1349 uint32_t cpusubtype = OFA.getCPUSubType();
1350 outs() << "architecture ";
1351 for (uint32_t j = 0; i != 0 && j <= i - 1; j++) {
1352 MachOUniversalBinary::ObjectForArch other_OFA(UB, j);
1353 uint32_t other_cputype = other_OFA.getCPUType();
1354 uint32_t other_cpusubtype = other_OFA.getCPUSubType();
1355 if (cputype != 0 && cpusubtype != 0 && cputype == other_cputype &&
1356 (cpusubtype & ~MachO::CPU_SUBTYPE_MASK) ==
1357 (other_cpusubtype & ~MachO::CPU_SUBTYPE_MASK)) {
1358 outs() << "(illegal duplicate architecture) ";
1363 outs() << OFA.getArchTypeName() << "\n";
1364 printCPUType(cputype, cpusubtype & ~MachO::CPU_SUBTYPE_MASK);
1366 outs() << i << "\n";
1367 outs() << " cputype " << cputype << "\n";
1368 outs() << " cpusubtype " << (cpusubtype & ~MachO::CPU_SUBTYPE_MASK)
1372 (cpusubtype & MachO::CPU_SUBTYPE_MASK) == MachO::CPU_SUBTYPE_LIB64)
1373 outs() << " capabilities CPU_SUBTYPE_LIB64\n";
1375 outs() << " capabilities "
1376 << format("0x%" PRIx32,
1377 (cpusubtype & MachO::CPU_SUBTYPE_MASK) >> 24) << "\n";
1378 outs() << " offset " << OFA.getOffset();
1379 if (OFA.getOffset() > size)
1380 outs() << " (past end of file)";
1381 if (OFA.getOffset() % (1 << OFA.getAlign()) != 0)
1382 outs() << " (not aligned on it's alignment (2^" << OFA.getAlign() << ")";
1384 outs() << " size " << OFA.getSize();
1385 big_size = OFA.getOffset() + OFA.getSize();
1386 if (big_size > size)
1387 outs() << " (past end of file)";
1389 outs() << " align 2^" << OFA.getAlign() << " (" << (1 << OFA.getAlign())
1394 static void printArchiveChild(const Archive::Child &C, bool verbose,
1395 bool print_offset) {
1397 outs() << C.getChildOffset() << "\t";
1398 sys::fs::perms Mode = C.getAccessMode();
1400 // FIXME: this first dash, "-", is for (Mode & S_IFMT) == S_IFREG.
1401 // But there is nothing in sys::fs::perms for S_IFMT or S_IFREG.
1403 outs() << ((Mode & sys::fs::owner_read) ? "r" : "-");
1404 outs() << ((Mode & sys::fs::owner_write) ? "w" : "-");
1405 outs() << ((Mode & sys::fs::owner_exe) ? "x" : "-");
1406 outs() << ((Mode & sys::fs::group_read) ? "r" : "-");
1407 outs() << ((Mode & sys::fs::group_write) ? "w" : "-");
1408 outs() << ((Mode & sys::fs::group_exe) ? "x" : "-");
1409 outs() << ((Mode & sys::fs::others_read) ? "r" : "-");
1410 outs() << ((Mode & sys::fs::others_write) ? "w" : "-");
1411 outs() << ((Mode & sys::fs::others_exe) ? "x" : "-");
1413 outs() << format("0%o ", Mode);
1416 unsigned UID = C.getUID();
1417 outs() << format("%3d/", UID);
1418 unsigned GID = C.getGID();
1419 outs() << format("%-3d ", GID);
1420 ErrorOr<uint64_t> Size = C.getRawSize();
1421 if (std::error_code EC = Size.getError())
1422 report_fatal_error(EC.message());
1423 outs() << format("%5" PRId64, Size.get()) << " ";
1425 StringRef RawLastModified = C.getRawLastModified();
1428 if (RawLastModified.getAsInteger(10, Seconds))
1429 outs() << "(date: \"%s\" contains non-decimal chars) " << RawLastModified;
1431 // Since cime(3) returns a 26 character string of the form:
1432 // "Sun Sep 16 01:03:52 1973\n\0"
1433 // just print 24 characters.
1435 outs() << format("%.24s ", ctime(&t));
1438 outs() << RawLastModified << " ";
1442 ErrorOr<StringRef> NameOrErr = C.getName();
1443 if (NameOrErr.getError()) {
1444 StringRef RawName = C.getRawName();
1445 outs() << RawName << "\n";
1447 StringRef Name = NameOrErr.get();
1448 outs() << Name << "\n";
1451 StringRef RawName = C.getRawName();
1452 outs() << RawName << "\n";
1456 static void printArchiveHeaders(Archive *A, bool verbose, bool print_offset) {
1457 for (Archive::child_iterator I = A->child_begin(false), E = A->child_end();
1459 if (std::error_code EC = I->getError())
1460 report_fatal_error(EC.message());
1461 const Archive::Child &C = **I;
1462 printArchiveChild(C, verbose, print_offset);
1466 // ParseInputMachO() parses the named Mach-O file in Filename and handles the
1467 // -arch flags selecting just those slices as specified by them and also parses
1468 // archive files. Then for each individual Mach-O file ProcessMachO() is
1469 // called to process the file based on the command line options.
1470 void llvm::ParseInputMachO(StringRef Filename) {
1471 // Check for -arch all and verifiy the -arch flags are valid.
1472 for (unsigned i = 0; i < ArchFlags.size(); ++i) {
1473 if (ArchFlags[i] == "all") {
1476 if (!MachOObjectFile::isValidArch(ArchFlags[i])) {
1477 errs() << "llvm-objdump: Unknown architecture named '" + ArchFlags[i] +
1478 "'for the -arch option\n";
1484 // Attempt to open the binary.
1485 ErrorOr<OwningBinary<Binary>> BinaryOrErr = createBinary(Filename);
1486 if (std::error_code EC = BinaryOrErr.getError()) {
1487 errs() << "llvm-objdump: '" << Filename << "': " << EC.message() << ".\n";
1490 Binary &Bin = *BinaryOrErr.get().getBinary();
1492 if (Archive *A = dyn_cast<Archive>(&Bin)) {
1493 outs() << "Archive : " << Filename << "\n";
1495 printArchiveHeaders(A, !NonVerbose, ArchiveMemberOffsets);
1496 for (Archive::child_iterator I = A->child_begin(), E = A->child_end();
1498 if (std::error_code EC = I->getError()) {
1499 errs() << "llvm-objdump: '" << Filename << "': " << EC.message()
1504 ErrorOr<std::unique_ptr<Binary>> ChildOrErr = C.getAsBinary();
1505 if (ChildOrErr.getError())
1507 if (MachOObjectFile *O = dyn_cast<MachOObjectFile>(&*ChildOrErr.get())) {
1508 if (!checkMachOAndArchFlags(O, Filename))
1510 ProcessMachO(Filename, O, O->getFileName());
1515 if (UniversalHeaders) {
1516 if (MachOUniversalBinary *UB = dyn_cast<MachOUniversalBinary>(&Bin))
1517 printMachOUniversalHeaders(UB, !NonVerbose);
1519 if (MachOUniversalBinary *UB = dyn_cast<MachOUniversalBinary>(&Bin)) {
1520 // If we have a list of architecture flags specified dump only those.
1521 if (!ArchAll && ArchFlags.size() != 0) {
1522 // Look for a slice in the universal binary that matches each ArchFlag.
1524 for (unsigned i = 0; i < ArchFlags.size(); ++i) {
1526 for (MachOUniversalBinary::object_iterator I = UB->begin_objects(),
1527 E = UB->end_objects();
1529 if (ArchFlags[i] == I->getArchTypeName()) {
1531 ErrorOr<std::unique_ptr<ObjectFile>> ObjOrErr =
1532 I->getAsObjectFile();
1533 std::string ArchitectureName = "";
1534 if (ArchFlags.size() > 1)
1535 ArchitectureName = I->getArchTypeName();
1537 ObjectFile &O = *ObjOrErr.get();
1538 if (MachOObjectFile *MachOOF = dyn_cast<MachOObjectFile>(&O))
1539 ProcessMachO(Filename, MachOOF, "", ArchitectureName);
1540 } else if (ErrorOr<std::unique_ptr<Archive>> AOrErr =
1541 I->getAsArchive()) {
1542 std::unique_ptr<Archive> &A = *AOrErr;
1543 outs() << "Archive : " << Filename;
1544 if (!ArchitectureName.empty())
1545 outs() << " (architecture " << ArchitectureName << ")";
1548 printArchiveHeaders(A.get(), !NonVerbose, ArchiveMemberOffsets);
1549 for (Archive::child_iterator AI = A->child_begin(),
1550 AE = A->child_end();
1552 if (std::error_code EC = AI->getError()) {
1553 errs() << "llvm-objdump: '" << Filename
1554 << "': " << EC.message() << ".\n";
1557 auto &C = AI->get();
1558 ErrorOr<std::unique_ptr<Binary>> ChildOrErr = C.getAsBinary();
1559 if (ChildOrErr.getError())
1561 if (MachOObjectFile *O =
1562 dyn_cast<MachOObjectFile>(&*ChildOrErr.get()))
1563 ProcessMachO(Filename, O, O->getFileName(), ArchitectureName);
1569 errs() << "llvm-objdump: file: " + Filename + " does not contain "
1570 << "architecture: " + ArchFlags[i] + "\n";
1576 // No architecture flags were specified so if this contains a slice that
1577 // matches the host architecture dump only that.
1579 for (MachOUniversalBinary::object_iterator I = UB->begin_objects(),
1580 E = UB->end_objects();
1582 if (MachOObjectFile::getHostArch().getArchName() ==
1583 I->getArchTypeName()) {
1584 ErrorOr<std::unique_ptr<ObjectFile>> ObjOrErr = I->getAsObjectFile();
1585 std::string ArchiveName;
1586 ArchiveName.clear();
1588 ObjectFile &O = *ObjOrErr.get();
1589 if (MachOObjectFile *MachOOF = dyn_cast<MachOObjectFile>(&O))
1590 ProcessMachO(Filename, MachOOF);
1591 } else if (ErrorOr<std::unique_ptr<Archive>> AOrErr =
1592 I->getAsArchive()) {
1593 std::unique_ptr<Archive> &A = *AOrErr;
1594 outs() << "Archive : " << Filename << "\n";
1596 printArchiveHeaders(A.get(), !NonVerbose, ArchiveMemberOffsets);
1597 for (Archive::child_iterator AI = A->child_begin(),
1598 AE = A->child_end();
1600 if (std::error_code EC = AI->getError()) {
1601 errs() << "llvm-objdump: '" << Filename << "': " << EC.message()
1605 auto &C = AI->get();
1606 ErrorOr<std::unique_ptr<Binary>> ChildOrErr = C.getAsBinary();
1607 if (ChildOrErr.getError())
1609 if (MachOObjectFile *O =
1610 dyn_cast<MachOObjectFile>(&*ChildOrErr.get()))
1611 ProcessMachO(Filename, O, O->getFileName());
1618 // Either all architectures have been specified or none have been specified
1619 // and this does not contain the host architecture so dump all the slices.
1620 bool moreThanOneArch = UB->getNumberOfObjects() > 1;
1621 for (MachOUniversalBinary::object_iterator I = UB->begin_objects(),
1622 E = UB->end_objects();
1624 ErrorOr<std::unique_ptr<ObjectFile>> ObjOrErr = I->getAsObjectFile();
1625 std::string ArchitectureName = "";
1626 if (moreThanOneArch)
1627 ArchitectureName = I->getArchTypeName();
1629 ObjectFile &Obj = *ObjOrErr.get();
1630 if (MachOObjectFile *MachOOF = dyn_cast<MachOObjectFile>(&Obj))
1631 ProcessMachO(Filename, MachOOF, "", ArchitectureName);
1632 } else if (ErrorOr<std::unique_ptr<Archive>> AOrErr = I->getAsArchive()) {
1633 std::unique_ptr<Archive> &A = *AOrErr;
1634 outs() << "Archive : " << Filename;
1635 if (!ArchitectureName.empty())
1636 outs() << " (architecture " << ArchitectureName << ")";
1639 printArchiveHeaders(A.get(), !NonVerbose, ArchiveMemberOffsets);
1640 for (Archive::child_iterator AI = A->child_begin(), AE = A->child_end();
1642 if (std::error_code EC = AI->getError()) {
1643 errs() << "llvm-objdump: '" << Filename << "': " << EC.message()
1647 auto &C = AI->get();
1648 ErrorOr<std::unique_ptr<Binary>> ChildOrErr = C.getAsBinary();
1649 if (ChildOrErr.getError())
1651 if (MachOObjectFile *O =
1652 dyn_cast<MachOObjectFile>(&*ChildOrErr.get())) {
1653 if (MachOObjectFile *MachOOF = dyn_cast<MachOObjectFile>(O))
1654 ProcessMachO(Filename, MachOOF, MachOOF->getFileName(),
1662 if (ObjectFile *O = dyn_cast<ObjectFile>(&Bin)) {
1663 if (!checkMachOAndArchFlags(O, Filename))
1665 if (MachOObjectFile *MachOOF = dyn_cast<MachOObjectFile>(&*O)) {
1666 ProcessMachO(Filename, MachOOF);
1668 errs() << "llvm-objdump: '" << Filename << "': "
1669 << "Object is not a Mach-O file type.\n";
1671 errs() << "llvm-objdump: '" << Filename << "': "
1672 << "Unrecognized file type.\n";
1675 typedef std::pair<uint64_t, const char *> BindInfoEntry;
1676 typedef std::vector<BindInfoEntry> BindTable;
1677 typedef BindTable::iterator bind_table_iterator;
1679 // The block of info used by the Symbolizer call backs.
1680 struct DisassembleInfo {
1684 SymbolAddressMap *AddrMap;
1685 std::vector<SectionRef> *Sections;
1686 const char *class_name;
1687 const char *selector_name;
1689 char *demangled_name;
1692 BindTable *bindtable;
1696 // SymbolizerGetOpInfo() is the operand information call back function.
1697 // This is called to get the symbolic information for operand(s) of an
1698 // instruction when it is being done. This routine does this from
1699 // the relocation information, symbol table, etc. That block of information
1700 // is a pointer to the struct DisassembleInfo that was passed when the
1701 // disassembler context was created and passed to back to here when
1702 // called back by the disassembler for instruction operands that could have
1703 // relocation information. The address of the instruction containing operand is
1704 // at the Pc parameter. The immediate value the operand has is passed in
1705 // op_info->Value and is at Offset past the start of the instruction and has a
1706 // byte Size of 1, 2 or 4. The symbolc information is returned in TagBuf is the
1707 // LLVMOpInfo1 struct defined in the header "llvm-c/Disassembler.h" as symbol
1708 // names and addends of the symbolic expression to add for the operand. The
1709 // value of TagType is currently 1 (for the LLVMOpInfo1 struct). If symbolic
1710 // information is returned then this function returns 1 else it returns 0.
1711 static int SymbolizerGetOpInfo(void *DisInfo, uint64_t Pc, uint64_t Offset,
1712 uint64_t Size, int TagType, void *TagBuf) {
1713 struct DisassembleInfo *info = (struct DisassembleInfo *)DisInfo;
1714 struct LLVMOpInfo1 *op_info = (struct LLVMOpInfo1 *)TagBuf;
1715 uint64_t value = op_info->Value;
1717 // Make sure all fields returned are zero if we don't set them.
1718 memset((void *)op_info, '\0', sizeof(struct LLVMOpInfo1));
1719 op_info->Value = value;
1721 // If the TagType is not the value 1 which it code knows about or if no
1722 // verbose symbolic information is wanted then just return 0, indicating no
1723 // information is being returned.
1724 if (TagType != 1 || !info->verbose)
1727 unsigned int Arch = info->O->getArch();
1728 if (Arch == Triple::x86) {
1729 if (Size != 1 && Size != 2 && Size != 4 && Size != 0)
1731 if (info->O->getHeader().filetype != MachO::MH_OBJECT) {
1733 // Search the external relocation entries of a fully linked image
1734 // (if any) for an entry that matches this segment offset.
1735 // uint32_t seg_offset = (Pc + Offset);
1738 // In MH_OBJECT filetypes search the section's relocation entries (if any)
1739 // for an entry for this section offset.
1740 uint32_t sect_addr = info->S.getAddress();
1741 uint32_t sect_offset = (Pc + Offset) - sect_addr;
1742 bool reloc_found = false;
1744 MachO::any_relocation_info RE;
1745 bool isExtern = false;
1747 bool r_scattered = false;
1748 uint32_t r_value, pair_r_value, r_type;
1749 for (const RelocationRef &Reloc : info->S.relocations()) {
1750 uint64_t RelocOffset = Reloc.getOffset();
1751 if (RelocOffset == sect_offset) {
1752 Rel = Reloc.getRawDataRefImpl();
1753 RE = info->O->getRelocation(Rel);
1754 r_type = info->O->getAnyRelocationType(RE);
1755 r_scattered = info->O->isRelocationScattered(RE);
1757 r_value = info->O->getScatteredRelocationValue(RE);
1758 if (r_type == MachO::GENERIC_RELOC_SECTDIFF ||
1759 r_type == MachO::GENERIC_RELOC_LOCAL_SECTDIFF) {
1760 DataRefImpl RelNext = Rel;
1761 info->O->moveRelocationNext(RelNext);
1762 MachO::any_relocation_info RENext;
1763 RENext = info->O->getRelocation(RelNext);
1764 if (info->O->isRelocationScattered(RENext))
1765 pair_r_value = info->O->getScatteredRelocationValue(RENext);
1770 isExtern = info->O->getPlainRelocationExternal(RE);
1772 symbol_iterator RelocSym = Reloc.getSymbol();
1780 if (reloc_found && isExtern) {
1781 ErrorOr<StringRef> SymName = Symbol.getName();
1782 if (std::error_code EC = SymName.getError())
1783 report_fatal_error(EC.message());
1784 const char *name = SymName->data();
1785 op_info->AddSymbol.Present = 1;
1786 op_info->AddSymbol.Name = name;
1787 // For i386 extern relocation entries the value in the instruction is
1788 // the offset from the symbol, and value is already set in op_info->Value.
1791 if (reloc_found && (r_type == MachO::GENERIC_RELOC_SECTDIFF ||
1792 r_type == MachO::GENERIC_RELOC_LOCAL_SECTDIFF)) {
1793 const char *add = GuessSymbolName(r_value, info->AddrMap);
1794 const char *sub = GuessSymbolName(pair_r_value, info->AddrMap);
1795 uint32_t offset = value - (r_value - pair_r_value);
1796 op_info->AddSymbol.Present = 1;
1798 op_info->AddSymbol.Name = add;
1800 op_info->AddSymbol.Value = r_value;
1801 op_info->SubtractSymbol.Present = 1;
1803 op_info->SubtractSymbol.Name = sub;
1805 op_info->SubtractSymbol.Value = pair_r_value;
1806 op_info->Value = offset;
1811 if (Arch == Triple::x86_64) {
1812 if (Size != 1 && Size != 2 && Size != 4 && Size != 0)
1814 if (info->O->getHeader().filetype != MachO::MH_OBJECT) {
1816 // Search the external relocation entries of a fully linked image
1817 // (if any) for an entry that matches this segment offset.
1818 // uint64_t seg_offset = (Pc + Offset);
1821 // In MH_OBJECT filetypes search the section's relocation entries (if any)
1822 // for an entry for this section offset.
1823 uint64_t sect_addr = info->S.getAddress();
1824 uint64_t sect_offset = (Pc + Offset) - sect_addr;
1825 bool reloc_found = false;
1827 MachO::any_relocation_info RE;
1828 bool isExtern = false;
1830 for (const RelocationRef &Reloc : info->S.relocations()) {
1831 uint64_t RelocOffset = Reloc.getOffset();
1832 if (RelocOffset == sect_offset) {
1833 Rel = Reloc.getRawDataRefImpl();
1834 RE = info->O->getRelocation(Rel);
1835 // NOTE: Scattered relocations don't exist on x86_64.
1836 isExtern = info->O->getPlainRelocationExternal(RE);
1838 symbol_iterator RelocSym = Reloc.getSymbol();
1845 if (reloc_found && isExtern) {
1846 // The Value passed in will be adjusted by the Pc if the instruction
1847 // adds the Pc. But for x86_64 external relocation entries the Value
1848 // is the offset from the external symbol.
1849 if (info->O->getAnyRelocationPCRel(RE))
1850 op_info->Value -= Pc + Offset + Size;
1851 ErrorOr<StringRef> SymName = Symbol.getName();
1852 if (std::error_code EC = SymName.getError())
1853 report_fatal_error(EC.message());
1854 const char *name = SymName->data();
1855 unsigned Type = info->O->getAnyRelocationType(RE);
1856 if (Type == MachO::X86_64_RELOC_SUBTRACTOR) {
1857 DataRefImpl RelNext = Rel;
1858 info->O->moveRelocationNext(RelNext);
1859 MachO::any_relocation_info RENext = info->O->getRelocation(RelNext);
1860 unsigned TypeNext = info->O->getAnyRelocationType(RENext);
1861 bool isExternNext = info->O->getPlainRelocationExternal(RENext);
1862 unsigned SymbolNum = info->O->getPlainRelocationSymbolNum(RENext);
1863 if (TypeNext == MachO::X86_64_RELOC_UNSIGNED && isExternNext) {
1864 op_info->SubtractSymbol.Present = 1;
1865 op_info->SubtractSymbol.Name = name;
1866 symbol_iterator RelocSymNext = info->O->getSymbolByIndex(SymbolNum);
1867 Symbol = *RelocSymNext;
1868 ErrorOr<StringRef> SymNameNext = Symbol.getName();
1869 if (std::error_code EC = SymNameNext.getError())
1870 report_fatal_error(EC.message());
1871 name = SymNameNext->data();
1874 // TODO: add the VariantKinds to op_info->VariantKind for relocation types
1875 // like: X86_64_RELOC_TLV, X86_64_RELOC_GOT_LOAD and X86_64_RELOC_GOT.
1876 op_info->AddSymbol.Present = 1;
1877 op_info->AddSymbol.Name = name;
1882 if (Arch == Triple::arm) {
1883 if (Offset != 0 || (Size != 4 && Size != 2))
1885 if (info->O->getHeader().filetype != MachO::MH_OBJECT) {
1887 // Search the external relocation entries of a fully linked image
1888 // (if any) for an entry that matches this segment offset.
1889 // uint32_t seg_offset = (Pc + Offset);
1892 // In MH_OBJECT filetypes search the section's relocation entries (if any)
1893 // for an entry for this section offset.
1894 uint32_t sect_addr = info->S.getAddress();
1895 uint32_t sect_offset = (Pc + Offset) - sect_addr;
1897 MachO::any_relocation_info RE;
1898 bool isExtern = false;
1900 bool r_scattered = false;
1901 uint32_t r_value, pair_r_value, r_type, r_length, other_half;
1903 std::find_if(info->S.relocations().begin(), info->S.relocations().end(),
1904 [&](const RelocationRef &Reloc) {
1905 uint64_t RelocOffset = Reloc.getOffset();
1906 return RelocOffset == sect_offset;
1909 if (Reloc == info->S.relocations().end())
1912 Rel = Reloc->getRawDataRefImpl();
1913 RE = info->O->getRelocation(Rel);
1914 r_length = info->O->getAnyRelocationLength(RE);
1915 r_scattered = info->O->isRelocationScattered(RE);
1917 r_value = info->O->getScatteredRelocationValue(RE);
1918 r_type = info->O->getScatteredRelocationType(RE);
1920 r_type = info->O->getAnyRelocationType(RE);
1921 isExtern = info->O->getPlainRelocationExternal(RE);
1923 symbol_iterator RelocSym = Reloc->getSymbol();
1927 if (r_type == MachO::ARM_RELOC_HALF ||
1928 r_type == MachO::ARM_RELOC_SECTDIFF ||
1929 r_type == MachO::ARM_RELOC_LOCAL_SECTDIFF ||
1930 r_type == MachO::ARM_RELOC_HALF_SECTDIFF) {
1931 DataRefImpl RelNext = Rel;
1932 info->O->moveRelocationNext(RelNext);
1933 MachO::any_relocation_info RENext;
1934 RENext = info->O->getRelocation(RelNext);
1935 other_half = info->O->getAnyRelocationAddress(RENext) & 0xffff;
1936 if (info->O->isRelocationScattered(RENext))
1937 pair_r_value = info->O->getScatteredRelocationValue(RENext);
1941 ErrorOr<StringRef> SymName = Symbol.getName();
1942 if (std::error_code EC = SymName.getError())
1943 report_fatal_error(EC.message());
1944 const char *name = SymName->data();
1945 op_info->AddSymbol.Present = 1;
1946 op_info->AddSymbol.Name = name;
1948 case MachO::ARM_RELOC_HALF:
1949 if ((r_length & 0x1) == 1) {
1950 op_info->Value = value << 16 | other_half;
1951 op_info->VariantKind = LLVMDisassembler_VariantKind_ARM_HI16;
1953 op_info->Value = other_half << 16 | value;
1954 op_info->VariantKind = LLVMDisassembler_VariantKind_ARM_LO16;
1962 // If we have a branch that is not an external relocation entry then
1963 // return 0 so the code in tryAddingSymbolicOperand() can use the
1964 // SymbolLookUp call back with the branch target address to look up the
1965 // symbol and possiblity add an annotation for a symbol stub.
1966 if (isExtern == 0 && (r_type == MachO::ARM_RELOC_BR24 ||
1967 r_type == MachO::ARM_THUMB_RELOC_BR22))
1970 uint32_t offset = 0;
1971 if (r_type == MachO::ARM_RELOC_HALF ||
1972 r_type == MachO::ARM_RELOC_HALF_SECTDIFF) {
1973 if ((r_length & 0x1) == 1)
1974 value = value << 16 | other_half;
1976 value = other_half << 16 | value;
1978 if (r_scattered && (r_type != MachO::ARM_RELOC_HALF &&
1979 r_type != MachO::ARM_RELOC_HALF_SECTDIFF)) {
1980 offset = value - r_value;
1984 if (r_type == MachO::ARM_RELOC_HALF_SECTDIFF) {
1985 if ((r_length & 0x1) == 1)
1986 op_info->VariantKind = LLVMDisassembler_VariantKind_ARM_HI16;
1988 op_info->VariantKind = LLVMDisassembler_VariantKind_ARM_LO16;
1989 const char *add = GuessSymbolName(r_value, info->AddrMap);
1990 const char *sub = GuessSymbolName(pair_r_value, info->AddrMap);
1991 int32_t offset = value - (r_value - pair_r_value);
1992 op_info->AddSymbol.Present = 1;
1994 op_info->AddSymbol.Name = add;
1996 op_info->AddSymbol.Value = r_value;
1997 op_info->SubtractSymbol.Present = 1;
1999 op_info->SubtractSymbol.Name = sub;
2001 op_info->SubtractSymbol.Value = pair_r_value;
2002 op_info->Value = offset;
2006 op_info->AddSymbol.Present = 1;
2007 op_info->Value = offset;
2008 if (r_type == MachO::ARM_RELOC_HALF) {
2009 if ((r_length & 0x1) == 1)
2010 op_info->VariantKind = LLVMDisassembler_VariantKind_ARM_HI16;
2012 op_info->VariantKind = LLVMDisassembler_VariantKind_ARM_LO16;
2014 const char *add = GuessSymbolName(value, info->AddrMap);
2015 if (add != nullptr) {
2016 op_info->AddSymbol.Name = add;
2019 op_info->AddSymbol.Value = value;
2022 if (Arch == Triple::aarch64) {
2023 if (Offset != 0 || Size != 4)
2025 if (info->O->getHeader().filetype != MachO::MH_OBJECT) {
2027 // Search the external relocation entries of a fully linked image
2028 // (if any) for an entry that matches this segment offset.
2029 // uint64_t seg_offset = (Pc + Offset);
2032 // In MH_OBJECT filetypes search the section's relocation entries (if any)
2033 // for an entry for this section offset.
2034 uint64_t sect_addr = info->S.getAddress();
2035 uint64_t sect_offset = (Pc + Offset) - sect_addr;
2037 std::find_if(info->S.relocations().begin(), info->S.relocations().end(),
2038 [&](const RelocationRef &Reloc) {
2039 uint64_t RelocOffset = Reloc.getOffset();
2040 return RelocOffset == sect_offset;
2043 if (Reloc == info->S.relocations().end())
2046 DataRefImpl Rel = Reloc->getRawDataRefImpl();
2047 MachO::any_relocation_info RE = info->O->getRelocation(Rel);
2048 uint32_t r_type = info->O->getAnyRelocationType(RE);
2049 if (r_type == MachO::ARM64_RELOC_ADDEND) {
2050 DataRefImpl RelNext = Rel;
2051 info->O->moveRelocationNext(RelNext);
2052 MachO::any_relocation_info RENext = info->O->getRelocation(RelNext);
2054 value = info->O->getPlainRelocationSymbolNum(RENext);
2055 op_info->Value = value;
2058 // NOTE: Scattered relocations don't exist on arm64.
2059 if (!info->O->getPlainRelocationExternal(RE))
2061 ErrorOr<StringRef> SymName = Reloc->getSymbol()->getName();
2062 if (std::error_code EC = SymName.getError())
2063 report_fatal_error(EC.message());
2064 const char *name = SymName->data();
2065 op_info->AddSymbol.Present = 1;
2066 op_info->AddSymbol.Name = name;
2069 case MachO::ARM64_RELOC_PAGE21:
2071 op_info->VariantKind = LLVMDisassembler_VariantKind_ARM64_PAGE;
2073 case MachO::ARM64_RELOC_PAGEOFF12:
2075 op_info->VariantKind = LLVMDisassembler_VariantKind_ARM64_PAGEOFF;
2077 case MachO::ARM64_RELOC_GOT_LOAD_PAGE21:
2079 op_info->VariantKind = LLVMDisassembler_VariantKind_ARM64_GOTPAGE;
2081 case MachO::ARM64_RELOC_GOT_LOAD_PAGEOFF12:
2083 op_info->VariantKind = LLVMDisassembler_VariantKind_ARM64_GOTPAGEOFF;
2085 case MachO::ARM64_RELOC_TLVP_LOAD_PAGE21:
2086 /* @tvlppage is not implemented in llvm-mc */
2087 op_info->VariantKind = LLVMDisassembler_VariantKind_ARM64_TLVP;
2089 case MachO::ARM64_RELOC_TLVP_LOAD_PAGEOFF12:
2090 /* @tvlppageoff is not implemented in llvm-mc */
2091 op_info->VariantKind = LLVMDisassembler_VariantKind_ARM64_TLVOFF;
2094 case MachO::ARM64_RELOC_BRANCH26:
2095 op_info->VariantKind = LLVMDisassembler_VariantKind_None;
2103 // GuessCstringPointer is passed the address of what might be a pointer to a
2104 // literal string in a cstring section. If that address is in a cstring section
2105 // it returns a pointer to that string. Else it returns nullptr.
2106 static const char *GuessCstringPointer(uint64_t ReferenceValue,
2107 struct DisassembleInfo *info) {
2108 for (const auto &Load : info->O->load_commands()) {
2109 if (Load.C.cmd == MachO::LC_SEGMENT_64) {
2110 MachO::segment_command_64 Seg = info->O->getSegment64LoadCommand(Load);
2111 for (unsigned J = 0; J < Seg.nsects; ++J) {
2112 MachO::section_64 Sec = info->O->getSection64(Load, J);
2113 uint32_t section_type = Sec.flags & MachO::SECTION_TYPE;
2114 if (section_type == MachO::S_CSTRING_LITERALS &&
2115 ReferenceValue >= Sec.addr &&
2116 ReferenceValue < Sec.addr + Sec.size) {
2117 uint64_t sect_offset = ReferenceValue - Sec.addr;
2118 uint64_t object_offset = Sec.offset + sect_offset;
2119 StringRef MachOContents = info->O->getData();
2120 uint64_t object_size = MachOContents.size();
2121 const char *object_addr = (const char *)MachOContents.data();
2122 if (object_offset < object_size) {
2123 const char *name = object_addr + object_offset;
2130 } else if (Load.C.cmd == MachO::LC_SEGMENT) {
2131 MachO::segment_command Seg = info->O->getSegmentLoadCommand(Load);
2132 for (unsigned J = 0; J < Seg.nsects; ++J) {
2133 MachO::section Sec = info->O->getSection(Load, J);
2134 uint32_t section_type = Sec.flags & MachO::SECTION_TYPE;
2135 if (section_type == MachO::S_CSTRING_LITERALS &&
2136 ReferenceValue >= Sec.addr &&
2137 ReferenceValue < Sec.addr + Sec.size) {
2138 uint64_t sect_offset = ReferenceValue - Sec.addr;
2139 uint64_t object_offset = Sec.offset + sect_offset;
2140 StringRef MachOContents = info->O->getData();
2141 uint64_t object_size = MachOContents.size();
2142 const char *object_addr = (const char *)MachOContents.data();
2143 if (object_offset < object_size) {
2144 const char *name = object_addr + object_offset;
2156 // GuessIndirectSymbol returns the name of the indirect symbol for the
2157 // ReferenceValue passed in or nullptr. This is used when ReferenceValue maybe
2158 // an address of a symbol stub or a lazy or non-lazy pointer to associate the
2159 // symbol name being referenced by the stub or pointer.
2160 static const char *GuessIndirectSymbol(uint64_t ReferenceValue,
2161 struct DisassembleInfo *info) {
2162 MachO::dysymtab_command Dysymtab = info->O->getDysymtabLoadCommand();
2163 MachO::symtab_command Symtab = info->O->getSymtabLoadCommand();
2164 for (const auto &Load : info->O->load_commands()) {
2165 if (Load.C.cmd == MachO::LC_SEGMENT_64) {
2166 MachO::segment_command_64 Seg = info->O->getSegment64LoadCommand(Load);
2167 for (unsigned J = 0; J < Seg.nsects; ++J) {
2168 MachO::section_64 Sec = info->O->getSection64(Load, J);
2169 uint32_t section_type = Sec.flags & MachO::SECTION_TYPE;
2170 if ((section_type == MachO::S_NON_LAZY_SYMBOL_POINTERS ||
2171 section_type == MachO::S_LAZY_SYMBOL_POINTERS ||
2172 section_type == MachO::S_LAZY_DYLIB_SYMBOL_POINTERS ||
2173 section_type == MachO::S_THREAD_LOCAL_VARIABLE_POINTERS ||
2174 section_type == MachO::S_SYMBOL_STUBS) &&
2175 ReferenceValue >= Sec.addr &&
2176 ReferenceValue < Sec.addr + Sec.size) {
2178 if (section_type == MachO::S_SYMBOL_STUBS)
2179 stride = Sec.reserved2;
2184 uint32_t index = Sec.reserved1 + (ReferenceValue - Sec.addr) / stride;
2185 if (index < Dysymtab.nindirectsyms) {
2186 uint32_t indirect_symbol =
2187 info->O->getIndirectSymbolTableEntry(Dysymtab, index);
2188 if (indirect_symbol < Symtab.nsyms) {
2189 symbol_iterator Sym = info->O->getSymbolByIndex(indirect_symbol);
2190 SymbolRef Symbol = *Sym;
2191 ErrorOr<StringRef> SymName = Symbol.getName();
2192 if (std::error_code EC = SymName.getError())
2193 report_fatal_error(EC.message());
2194 const char *name = SymName->data();
2200 } else if (Load.C.cmd == MachO::LC_SEGMENT) {
2201 MachO::segment_command Seg = info->O->getSegmentLoadCommand(Load);
2202 for (unsigned J = 0; J < Seg.nsects; ++J) {
2203 MachO::section Sec = info->O->getSection(Load, J);
2204 uint32_t section_type = Sec.flags & MachO::SECTION_TYPE;
2205 if ((section_type == MachO::S_NON_LAZY_SYMBOL_POINTERS ||
2206 section_type == MachO::S_LAZY_SYMBOL_POINTERS ||
2207 section_type == MachO::S_LAZY_DYLIB_SYMBOL_POINTERS ||
2208 section_type == MachO::S_THREAD_LOCAL_VARIABLE_POINTERS ||
2209 section_type == MachO::S_SYMBOL_STUBS) &&
2210 ReferenceValue >= Sec.addr &&
2211 ReferenceValue < Sec.addr + Sec.size) {
2213 if (section_type == MachO::S_SYMBOL_STUBS)
2214 stride = Sec.reserved2;
2219 uint32_t index = Sec.reserved1 + (ReferenceValue - Sec.addr) / stride;
2220 if (index < Dysymtab.nindirectsyms) {
2221 uint32_t indirect_symbol =
2222 info->O->getIndirectSymbolTableEntry(Dysymtab, index);
2223 if (indirect_symbol < Symtab.nsyms) {
2224 symbol_iterator Sym = info->O->getSymbolByIndex(indirect_symbol);
2225 SymbolRef Symbol = *Sym;
2226 ErrorOr<StringRef> SymName = Symbol.getName();
2227 if (std::error_code EC = SymName.getError())
2228 report_fatal_error(EC.message());
2229 const char *name = SymName->data();
2240 // method_reference() is called passing it the ReferenceName that might be
2241 // a reference it to an Objective-C method call. If so then it allocates and
2242 // assembles a method call string with the values last seen and saved in
2243 // the DisassembleInfo's class_name and selector_name fields. This is saved
2244 // into the method field of the info and any previous string is free'ed.
2245 // Then the class_name field in the info is set to nullptr. The method call
2246 // string is set into ReferenceName and ReferenceType is set to
2247 // LLVMDisassembler_ReferenceType_Out_Objc_Message. If this not a method call
2248 // then both ReferenceType and ReferenceName are left unchanged.
2249 static void method_reference(struct DisassembleInfo *info,
2250 uint64_t *ReferenceType,
2251 const char **ReferenceName) {
2252 unsigned int Arch = info->O->getArch();
2253 if (*ReferenceName != nullptr) {
2254 if (strcmp(*ReferenceName, "_objc_msgSend") == 0) {
2255 if (info->selector_name != nullptr) {
2256 if (info->method != nullptr)
2258 if (info->class_name != nullptr) {
2259 info->method = (char *)malloc(5 + strlen(info->class_name) +
2260 strlen(info->selector_name));
2261 if (info->method != nullptr) {
2262 strcpy(info->method, "+[");
2263 strcat(info->method, info->class_name);
2264 strcat(info->method, " ");
2265 strcat(info->method, info->selector_name);
2266 strcat(info->method, "]");
2267 *ReferenceName = info->method;
2268 *ReferenceType = LLVMDisassembler_ReferenceType_Out_Objc_Message;
2271 info->method = (char *)malloc(9 + strlen(info->selector_name));
2272 if (info->method != nullptr) {
2273 if (Arch == Triple::x86_64)
2274 strcpy(info->method, "-[%rdi ");
2275 else if (Arch == Triple::aarch64)
2276 strcpy(info->method, "-[x0 ");
2278 strcpy(info->method, "-[r? ");
2279 strcat(info->method, info->selector_name);
2280 strcat(info->method, "]");
2281 *ReferenceName = info->method;
2282 *ReferenceType = LLVMDisassembler_ReferenceType_Out_Objc_Message;
2285 info->class_name = nullptr;
2287 } else if (strcmp(*ReferenceName, "_objc_msgSendSuper2") == 0) {
2288 if (info->selector_name != nullptr) {
2289 if (info->method != nullptr)
2291 info->method = (char *)malloc(17 + strlen(info->selector_name));
2292 if (info->method != nullptr) {
2293 if (Arch == Triple::x86_64)
2294 strcpy(info->method, "-[[%rdi super] ");
2295 else if (Arch == Triple::aarch64)
2296 strcpy(info->method, "-[[x0 super] ");
2298 strcpy(info->method, "-[[r? super] ");
2299 strcat(info->method, info->selector_name);
2300 strcat(info->method, "]");
2301 *ReferenceName = info->method;
2302 *ReferenceType = LLVMDisassembler_ReferenceType_Out_Objc_Message;
2304 info->class_name = nullptr;
2310 // GuessPointerPointer() is passed the address of what might be a pointer to
2311 // a reference to an Objective-C class, selector, message ref or cfstring.
2312 // If so the value of the pointer is returned and one of the booleans are set
2313 // to true. If not zero is returned and all the booleans are set to false.
2314 static uint64_t GuessPointerPointer(uint64_t ReferenceValue,
2315 struct DisassembleInfo *info,
2316 bool &classref, bool &selref, bool &msgref,
2322 for (const auto &Load : info->O->load_commands()) {
2323 if (Load.C.cmd == MachO::LC_SEGMENT_64) {
2324 MachO::segment_command_64 Seg = info->O->getSegment64LoadCommand(Load);
2325 for (unsigned J = 0; J < Seg.nsects; ++J) {
2326 MachO::section_64 Sec = info->O->getSection64(Load, J);
2327 if ((strncmp(Sec.sectname, "__objc_selrefs", 16) == 0 ||
2328 strncmp(Sec.sectname, "__objc_classrefs", 16) == 0 ||
2329 strncmp(Sec.sectname, "__objc_superrefs", 16) == 0 ||
2330 strncmp(Sec.sectname, "__objc_msgrefs", 16) == 0 ||
2331 strncmp(Sec.sectname, "__cfstring", 16) == 0) &&
2332 ReferenceValue >= Sec.addr &&
2333 ReferenceValue < Sec.addr + Sec.size) {
2334 uint64_t sect_offset = ReferenceValue - Sec.addr;
2335 uint64_t object_offset = Sec.offset + sect_offset;
2336 StringRef MachOContents = info->O->getData();
2337 uint64_t object_size = MachOContents.size();
2338 const char *object_addr = (const char *)MachOContents.data();
2339 if (object_offset < object_size) {
2340 uint64_t pointer_value;
2341 memcpy(&pointer_value, object_addr + object_offset,
2343 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
2344 sys::swapByteOrder(pointer_value);
2345 if (strncmp(Sec.sectname, "__objc_selrefs", 16) == 0)
2347 else if (strncmp(Sec.sectname, "__objc_classrefs", 16) == 0 ||
2348 strncmp(Sec.sectname, "__objc_superrefs", 16) == 0)
2350 else if (strncmp(Sec.sectname, "__objc_msgrefs", 16) == 0 &&
2351 ReferenceValue + 8 < Sec.addr + Sec.size) {
2353 memcpy(&pointer_value, object_addr + object_offset + 8,
2355 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
2356 sys::swapByteOrder(pointer_value);
2357 } else if (strncmp(Sec.sectname, "__cfstring", 16) == 0)
2359 return pointer_value;
2366 // TODO: Look for LC_SEGMENT for 32-bit Mach-O files.
2371 // get_pointer_64 returns a pointer to the bytes in the object file at the
2372 // Address from a section in the Mach-O file. And indirectly returns the
2373 // offset into the section, number of bytes left in the section past the offset
2374 // and which section is was being referenced. If the Address is not in a
2375 // section nullptr is returned.
2376 static const char *get_pointer_64(uint64_t Address, uint32_t &offset,
2377 uint32_t &left, SectionRef &S,
2378 DisassembleInfo *info,
2379 bool objc_only = false) {
2383 for (unsigned SectIdx = 0; SectIdx != info->Sections->size(); SectIdx++) {
2384 uint64_t SectAddress = ((*(info->Sections))[SectIdx]).getAddress();
2385 uint64_t SectSize = ((*(info->Sections))[SectIdx]).getSize();
2390 ((*(info->Sections))[SectIdx]).getName(SectName);
2391 DataRefImpl Ref = ((*(info->Sections))[SectIdx]).getRawDataRefImpl();
2392 StringRef SegName = info->O->getSectionFinalSegmentName(Ref);
2393 if (SegName != "__OBJC" && SectName != "__cstring")
2396 if (Address >= SectAddress && Address < SectAddress + SectSize) {
2397 S = (*(info->Sections))[SectIdx];
2398 offset = Address - SectAddress;
2399 left = SectSize - offset;
2400 StringRef SectContents;
2401 ((*(info->Sections))[SectIdx]).getContents(SectContents);
2402 return SectContents.data() + offset;
2408 static const char *get_pointer_32(uint32_t Address, uint32_t &offset,
2409 uint32_t &left, SectionRef &S,
2410 DisassembleInfo *info,
2411 bool objc_only = false) {
2412 return get_pointer_64(Address, offset, left, S, info, objc_only);
2415 // get_symbol_64() returns the name of a symbol (or nullptr) and the address of
2416 // the symbol indirectly through n_value. Based on the relocation information
2417 // for the specified section offset in the specified section reference.
2418 // If no relocation information is found and a non-zero ReferenceValue for the
2419 // symbol is passed, look up that address in the info's AddrMap.
2420 static const char *get_symbol_64(uint32_t sect_offset, SectionRef S,
2421 DisassembleInfo *info, uint64_t &n_value,
2422 uint64_t ReferenceValue = 0) {
2427 // See if there is an external relocation entry at the sect_offset.
2428 bool reloc_found = false;
2430 MachO::any_relocation_info RE;
2431 bool isExtern = false;
2433 for (const RelocationRef &Reloc : S.relocations()) {
2434 uint64_t RelocOffset = Reloc.getOffset();
2435 if (RelocOffset == sect_offset) {
2436 Rel = Reloc.getRawDataRefImpl();
2437 RE = info->O->getRelocation(Rel);
2438 if (info->O->isRelocationScattered(RE))
2440 isExtern = info->O->getPlainRelocationExternal(RE);
2442 symbol_iterator RelocSym = Reloc.getSymbol();
2449 // If there is an external relocation entry for a symbol in this section
2450 // at this section_offset then use that symbol's value for the n_value
2451 // and return its name.
2452 const char *SymbolName = nullptr;
2453 if (reloc_found && isExtern) {
2454 n_value = Symbol.getValue();
2455 ErrorOr<StringRef> NameOrError = Symbol.getName();
2456 if (std::error_code EC = NameOrError.getError())
2457 report_fatal_error(EC.message());
2458 StringRef Name = *NameOrError;
2459 if (!Name.empty()) {
2460 SymbolName = Name.data();
2465 // TODO: For fully linked images, look through the external relocation
2466 // entries off the dynamic symtab command. For these the r_offset is from the
2467 // start of the first writeable segment in the Mach-O file. So the offset
2468 // to this section from that segment is passed to this routine by the caller,
2469 // as the database_offset. Which is the difference of the section's starting
2470 // address and the first writable segment.
2472 // NOTE: need add passing the database_offset to this routine.
2474 // We did not find an external relocation entry so look up the ReferenceValue
2475 // as an address of a symbol and if found return that symbol's name.
2476 SymbolName = GuessSymbolName(ReferenceValue, info->AddrMap);
2481 static const char *get_symbol_32(uint32_t sect_offset, SectionRef S,
2482 DisassembleInfo *info,
2483 uint32_t ReferenceValue) {
2485 return get_symbol_64(sect_offset, S, info, n_value64, ReferenceValue);
2488 // These are structs in the Objective-C meta data and read to produce the
2489 // comments for disassembly. While these are part of the ABI they are no
2490 // public defintions. So the are here not in include/llvm/Support/MachO.h .
2492 // The cfstring object in a 64-bit Mach-O file.
2493 struct cfstring64_t {
2494 uint64_t isa; // class64_t * (64-bit pointer)
2495 uint64_t flags; // flag bits
2496 uint64_t characters; // char * (64-bit pointer)
2497 uint64_t length; // number of non-NULL characters in above
2500 // The class object in a 64-bit Mach-O file.
2502 uint64_t isa; // class64_t * (64-bit pointer)
2503 uint64_t superclass; // class64_t * (64-bit pointer)
2504 uint64_t cache; // Cache (64-bit pointer)
2505 uint64_t vtable; // IMP * (64-bit pointer)
2506 uint64_t data; // class_ro64_t * (64-bit pointer)
2510 uint32_t isa; /* class32_t * (32-bit pointer) */
2511 uint32_t superclass; /* class32_t * (32-bit pointer) */
2512 uint32_t cache; /* Cache (32-bit pointer) */
2513 uint32_t vtable; /* IMP * (32-bit pointer) */
2514 uint32_t data; /* class_ro32_t * (32-bit pointer) */
2517 struct class_ro64_t {
2519 uint32_t instanceStart;
2520 uint32_t instanceSize;
2522 uint64_t ivarLayout; // const uint8_t * (64-bit pointer)
2523 uint64_t name; // const char * (64-bit pointer)
2524 uint64_t baseMethods; // const method_list_t * (64-bit pointer)
2525 uint64_t baseProtocols; // const protocol_list_t * (64-bit pointer)
2526 uint64_t ivars; // const ivar_list_t * (64-bit pointer)
2527 uint64_t weakIvarLayout; // const uint8_t * (64-bit pointer)
2528 uint64_t baseProperties; // const struct objc_property_list (64-bit pointer)
2531 struct class_ro32_t {
2533 uint32_t instanceStart;
2534 uint32_t instanceSize;
2535 uint32_t ivarLayout; /* const uint8_t * (32-bit pointer) */
2536 uint32_t name; /* const char * (32-bit pointer) */
2537 uint32_t baseMethods; /* const method_list_t * (32-bit pointer) */
2538 uint32_t baseProtocols; /* const protocol_list_t * (32-bit pointer) */
2539 uint32_t ivars; /* const ivar_list_t * (32-bit pointer) */
2540 uint32_t weakIvarLayout; /* const uint8_t * (32-bit pointer) */
2541 uint32_t baseProperties; /* const struct objc_property_list *
2545 /* Values for class_ro{64,32}_t->flags */
2546 #define RO_META (1 << 0)
2547 #define RO_ROOT (1 << 1)
2548 #define RO_HAS_CXX_STRUCTORS (1 << 2)
2550 struct method_list64_t {
2553 /* struct method64_t first; These structures follow inline */
2556 struct method_list32_t {
2559 /* struct method32_t first; These structures follow inline */
2563 uint64_t name; /* SEL (64-bit pointer) */
2564 uint64_t types; /* const char * (64-bit pointer) */
2565 uint64_t imp; /* IMP (64-bit pointer) */
2569 uint32_t name; /* SEL (32-bit pointer) */
2570 uint32_t types; /* const char * (32-bit pointer) */
2571 uint32_t imp; /* IMP (32-bit pointer) */
2574 struct protocol_list64_t {
2575 uint64_t count; /* uintptr_t (a 64-bit value) */
2576 /* struct protocol64_t * list[0]; These pointers follow inline */
2579 struct protocol_list32_t {
2580 uint32_t count; /* uintptr_t (a 32-bit value) */
2581 /* struct protocol32_t * list[0]; These pointers follow inline */
2584 struct protocol64_t {
2585 uint64_t isa; /* id * (64-bit pointer) */
2586 uint64_t name; /* const char * (64-bit pointer) */
2587 uint64_t protocols; /* struct protocol_list64_t *
2589 uint64_t instanceMethods; /* method_list_t * (64-bit pointer) */
2590 uint64_t classMethods; /* method_list_t * (64-bit pointer) */
2591 uint64_t optionalInstanceMethods; /* method_list_t * (64-bit pointer) */
2592 uint64_t optionalClassMethods; /* method_list_t * (64-bit pointer) */
2593 uint64_t instanceProperties; /* struct objc_property_list *
2597 struct protocol32_t {
2598 uint32_t isa; /* id * (32-bit pointer) */
2599 uint32_t name; /* const char * (32-bit pointer) */
2600 uint32_t protocols; /* struct protocol_list_t *
2602 uint32_t instanceMethods; /* method_list_t * (32-bit pointer) */
2603 uint32_t classMethods; /* method_list_t * (32-bit pointer) */
2604 uint32_t optionalInstanceMethods; /* method_list_t * (32-bit pointer) */
2605 uint32_t optionalClassMethods; /* method_list_t * (32-bit pointer) */
2606 uint32_t instanceProperties; /* struct objc_property_list *
2610 struct ivar_list64_t {
2613 /* struct ivar64_t first; These structures follow inline */
2616 struct ivar_list32_t {
2619 /* struct ivar32_t first; These structures follow inline */
2623 uint64_t offset; /* uintptr_t * (64-bit pointer) */
2624 uint64_t name; /* const char * (64-bit pointer) */
2625 uint64_t type; /* const char * (64-bit pointer) */
2631 uint32_t offset; /* uintptr_t * (32-bit pointer) */
2632 uint32_t name; /* const char * (32-bit pointer) */
2633 uint32_t type; /* const char * (32-bit pointer) */
2638 struct objc_property_list64 {
2641 /* struct objc_property64 first; These structures follow inline */
2644 struct objc_property_list32 {
2647 /* struct objc_property32 first; These structures follow inline */
2650 struct objc_property64 {
2651 uint64_t name; /* const char * (64-bit pointer) */
2652 uint64_t attributes; /* const char * (64-bit pointer) */
2655 struct objc_property32 {
2656 uint32_t name; /* const char * (32-bit pointer) */
2657 uint32_t attributes; /* const char * (32-bit pointer) */
2660 struct category64_t {
2661 uint64_t name; /* const char * (64-bit pointer) */
2662 uint64_t cls; /* struct class_t * (64-bit pointer) */
2663 uint64_t instanceMethods; /* struct method_list_t * (64-bit pointer) */
2664 uint64_t classMethods; /* struct method_list_t * (64-bit pointer) */
2665 uint64_t protocols; /* struct protocol_list_t * (64-bit pointer) */
2666 uint64_t instanceProperties; /* struct objc_property_list *
2670 struct category32_t {
2671 uint32_t name; /* const char * (32-bit pointer) */
2672 uint32_t cls; /* struct class_t * (32-bit pointer) */
2673 uint32_t instanceMethods; /* struct method_list_t * (32-bit pointer) */
2674 uint32_t classMethods; /* struct method_list_t * (32-bit pointer) */
2675 uint32_t protocols; /* struct protocol_list_t * (32-bit pointer) */
2676 uint32_t instanceProperties; /* struct objc_property_list *
2680 struct objc_image_info64 {
2684 struct objc_image_info32 {
2688 struct imageInfo_t {
2692 /* masks for objc_image_info.flags */
2693 #define OBJC_IMAGE_IS_REPLACEMENT (1 << 0)
2694 #define OBJC_IMAGE_SUPPORTS_GC (1 << 1)
2696 struct message_ref64 {
2697 uint64_t imp; /* IMP (64-bit pointer) */
2698 uint64_t sel; /* SEL (64-bit pointer) */
2701 struct message_ref32 {
2702 uint32_t imp; /* IMP (32-bit pointer) */
2703 uint32_t sel; /* SEL (32-bit pointer) */
2706 // Objective-C 1 (32-bit only) meta data structs.
2708 struct objc_module_t {
2711 uint32_t name; /* char * (32-bit pointer) */
2712 uint32_t symtab; /* struct objc_symtab * (32-bit pointer) */
2715 struct objc_symtab_t {
2716 uint32_t sel_ref_cnt;
2717 uint32_t refs; /* SEL * (32-bit pointer) */
2718 uint16_t cls_def_cnt;
2719 uint16_t cat_def_cnt;
2720 // uint32_t defs[1]; /* void * (32-bit pointer) variable size */
2723 struct objc_class_t {
2724 uint32_t isa; /* struct objc_class * (32-bit pointer) */
2725 uint32_t super_class; /* struct objc_class * (32-bit pointer) */
2726 uint32_t name; /* const char * (32-bit pointer) */
2729 int32_t instance_size;
2730 uint32_t ivars; /* struct objc_ivar_list * (32-bit pointer) */
2731 uint32_t methodLists; /* struct objc_method_list ** (32-bit pointer) */
2732 uint32_t cache; /* struct objc_cache * (32-bit pointer) */
2733 uint32_t protocols; /* struct objc_protocol_list * (32-bit pointer) */
2736 #define CLS_GETINFO(cls, infomask) ((cls)->info & (infomask))
2737 // class is not a metaclass
2738 #define CLS_CLASS 0x1
2739 // class is a metaclass
2740 #define CLS_META 0x2
2742 struct objc_category_t {
2743 uint32_t category_name; /* char * (32-bit pointer) */
2744 uint32_t class_name; /* char * (32-bit pointer) */
2745 uint32_t instance_methods; /* struct objc_method_list * (32-bit pointer) */
2746 uint32_t class_methods; /* struct objc_method_list * (32-bit pointer) */
2747 uint32_t protocols; /* struct objc_protocol_list * (32-bit ptr) */
2750 struct objc_ivar_t {
2751 uint32_t ivar_name; /* char * (32-bit pointer) */
2752 uint32_t ivar_type; /* char * (32-bit pointer) */
2753 int32_t ivar_offset;
2756 struct objc_ivar_list_t {
2758 // struct objc_ivar_t ivar_list[1]; /* variable length structure */
2761 struct objc_method_list_t {
2762 uint32_t obsolete; /* struct objc_method_list * (32-bit pointer) */
2763 int32_t method_count;
2764 // struct objc_method_t method_list[1]; /* variable length structure */
2767 struct objc_method_t {
2768 uint32_t method_name; /* SEL, aka struct objc_selector * (32-bit pointer) */
2769 uint32_t method_types; /* char * (32-bit pointer) */
2770 uint32_t method_imp; /* IMP, aka function pointer, (*IMP)(id, SEL, ...)
2774 struct objc_protocol_list_t {
2775 uint32_t next; /* struct objc_protocol_list * (32-bit pointer) */
2777 // uint32_t list[1]; /* Protocol *, aka struct objc_protocol_t *
2778 // (32-bit pointer) */
2781 struct objc_protocol_t {
2782 uint32_t isa; /* struct objc_class * (32-bit pointer) */
2783 uint32_t protocol_name; /* char * (32-bit pointer) */
2784 uint32_t protocol_list; /* struct objc_protocol_list * (32-bit pointer) */
2785 uint32_t instance_methods; /* struct objc_method_description_list *
2787 uint32_t class_methods; /* struct objc_method_description_list *
2791 struct objc_method_description_list_t {
2793 // struct objc_method_description_t list[1];
2796 struct objc_method_description_t {
2797 uint32_t name; /* SEL, aka struct objc_selector * (32-bit pointer) */
2798 uint32_t types; /* char * (32-bit pointer) */
2801 inline void swapStruct(struct cfstring64_t &cfs) {
2802 sys::swapByteOrder(cfs.isa);
2803 sys::swapByteOrder(cfs.flags);
2804 sys::swapByteOrder(cfs.characters);
2805 sys::swapByteOrder(cfs.length);
2808 inline void swapStruct(struct class64_t &c) {
2809 sys::swapByteOrder(c.isa);
2810 sys::swapByteOrder(c.superclass);
2811 sys::swapByteOrder(c.cache);
2812 sys::swapByteOrder(c.vtable);
2813 sys::swapByteOrder(c.data);
2816 inline void swapStruct(struct class32_t &c) {
2817 sys::swapByteOrder(c.isa);
2818 sys::swapByteOrder(c.superclass);
2819 sys::swapByteOrder(c.cache);
2820 sys::swapByteOrder(c.vtable);
2821 sys::swapByteOrder(c.data);
2824 inline void swapStruct(struct class_ro64_t &cro) {
2825 sys::swapByteOrder(cro.flags);
2826 sys::swapByteOrder(cro.instanceStart);
2827 sys::swapByteOrder(cro.instanceSize);
2828 sys::swapByteOrder(cro.reserved);
2829 sys::swapByteOrder(cro.ivarLayout);
2830 sys::swapByteOrder(cro.name);
2831 sys::swapByteOrder(cro.baseMethods);
2832 sys::swapByteOrder(cro.baseProtocols);
2833 sys::swapByteOrder(cro.ivars);
2834 sys::swapByteOrder(cro.weakIvarLayout);
2835 sys::swapByteOrder(cro.baseProperties);
2838 inline void swapStruct(struct class_ro32_t &cro) {
2839 sys::swapByteOrder(cro.flags);
2840 sys::swapByteOrder(cro.instanceStart);
2841 sys::swapByteOrder(cro.instanceSize);
2842 sys::swapByteOrder(cro.ivarLayout);
2843 sys::swapByteOrder(cro.name);
2844 sys::swapByteOrder(cro.baseMethods);
2845 sys::swapByteOrder(cro.baseProtocols);
2846 sys::swapByteOrder(cro.ivars);
2847 sys::swapByteOrder(cro.weakIvarLayout);
2848 sys::swapByteOrder(cro.baseProperties);
2851 inline void swapStruct(struct method_list64_t &ml) {
2852 sys::swapByteOrder(ml.entsize);
2853 sys::swapByteOrder(ml.count);
2856 inline void swapStruct(struct method_list32_t &ml) {
2857 sys::swapByteOrder(ml.entsize);
2858 sys::swapByteOrder(ml.count);
2861 inline void swapStruct(struct method64_t &m) {
2862 sys::swapByteOrder(m.name);
2863 sys::swapByteOrder(m.types);
2864 sys::swapByteOrder(m.imp);
2867 inline void swapStruct(struct method32_t &m) {
2868 sys::swapByteOrder(m.name);
2869 sys::swapByteOrder(m.types);
2870 sys::swapByteOrder(m.imp);
2873 inline void swapStruct(struct protocol_list64_t &pl) {
2874 sys::swapByteOrder(pl.count);
2877 inline void swapStruct(struct protocol_list32_t &pl) {
2878 sys::swapByteOrder(pl.count);
2881 inline void swapStruct(struct protocol64_t &p) {
2882 sys::swapByteOrder(p.isa);
2883 sys::swapByteOrder(p.name);
2884 sys::swapByteOrder(p.protocols);
2885 sys::swapByteOrder(p.instanceMethods);
2886 sys::swapByteOrder(p.classMethods);
2887 sys::swapByteOrder(p.optionalInstanceMethods);
2888 sys::swapByteOrder(p.optionalClassMethods);
2889 sys::swapByteOrder(p.instanceProperties);
2892 inline void swapStruct(struct protocol32_t &p) {
2893 sys::swapByteOrder(p.isa);
2894 sys::swapByteOrder(p.name);
2895 sys::swapByteOrder(p.protocols);
2896 sys::swapByteOrder(p.instanceMethods);
2897 sys::swapByteOrder(p.classMethods);
2898 sys::swapByteOrder(p.optionalInstanceMethods);
2899 sys::swapByteOrder(p.optionalClassMethods);
2900 sys::swapByteOrder(p.instanceProperties);
2903 inline void swapStruct(struct ivar_list64_t &il) {
2904 sys::swapByteOrder(il.entsize);
2905 sys::swapByteOrder(il.count);
2908 inline void swapStruct(struct ivar_list32_t &il) {
2909 sys::swapByteOrder(il.entsize);
2910 sys::swapByteOrder(il.count);
2913 inline void swapStruct(struct ivar64_t &i) {
2914 sys::swapByteOrder(i.offset);
2915 sys::swapByteOrder(i.name);
2916 sys::swapByteOrder(i.type);
2917 sys::swapByteOrder(i.alignment);
2918 sys::swapByteOrder(i.size);
2921 inline void swapStruct(struct ivar32_t &i) {
2922 sys::swapByteOrder(i.offset);
2923 sys::swapByteOrder(i.name);
2924 sys::swapByteOrder(i.type);
2925 sys::swapByteOrder(i.alignment);
2926 sys::swapByteOrder(i.size);
2929 inline void swapStruct(struct objc_property_list64 &pl) {
2930 sys::swapByteOrder(pl.entsize);
2931 sys::swapByteOrder(pl.count);
2934 inline void swapStruct(struct objc_property_list32 &pl) {
2935 sys::swapByteOrder(pl.entsize);
2936 sys::swapByteOrder(pl.count);
2939 inline void swapStruct(struct objc_property64 &op) {
2940 sys::swapByteOrder(op.name);
2941 sys::swapByteOrder(op.attributes);
2944 inline void swapStruct(struct objc_property32 &op) {
2945 sys::swapByteOrder(op.name);
2946 sys::swapByteOrder(op.attributes);
2949 inline void swapStruct(struct category64_t &c) {
2950 sys::swapByteOrder(c.name);
2951 sys::swapByteOrder(c.cls);
2952 sys::swapByteOrder(c.instanceMethods);
2953 sys::swapByteOrder(c.classMethods);
2954 sys::swapByteOrder(c.protocols);
2955 sys::swapByteOrder(c.instanceProperties);
2958 inline void swapStruct(struct category32_t &c) {
2959 sys::swapByteOrder(c.name);
2960 sys::swapByteOrder(c.cls);
2961 sys::swapByteOrder(c.instanceMethods);
2962 sys::swapByteOrder(c.classMethods);
2963 sys::swapByteOrder(c.protocols);
2964 sys::swapByteOrder(c.instanceProperties);
2967 inline void swapStruct(struct objc_image_info64 &o) {
2968 sys::swapByteOrder(o.version);
2969 sys::swapByteOrder(o.flags);
2972 inline void swapStruct(struct objc_image_info32 &o) {
2973 sys::swapByteOrder(o.version);
2974 sys::swapByteOrder(o.flags);
2977 inline void swapStruct(struct imageInfo_t &o) {
2978 sys::swapByteOrder(o.version);
2979 sys::swapByteOrder(o.flags);
2982 inline void swapStruct(struct message_ref64 &mr) {
2983 sys::swapByteOrder(mr.imp);
2984 sys::swapByteOrder(mr.sel);
2987 inline void swapStruct(struct message_ref32 &mr) {
2988 sys::swapByteOrder(mr.imp);
2989 sys::swapByteOrder(mr.sel);
2992 inline void swapStruct(struct objc_module_t &module) {
2993 sys::swapByteOrder(module.version);
2994 sys::swapByteOrder(module.size);
2995 sys::swapByteOrder(module.name);
2996 sys::swapByteOrder(module.symtab);
2999 inline void swapStruct(struct objc_symtab_t &symtab) {
3000 sys::swapByteOrder(symtab.sel_ref_cnt);
3001 sys::swapByteOrder(symtab.refs);
3002 sys::swapByteOrder(symtab.cls_def_cnt);
3003 sys::swapByteOrder(symtab.cat_def_cnt);
3006 inline void swapStruct(struct objc_class_t &objc_class) {
3007 sys::swapByteOrder(objc_class.isa);
3008 sys::swapByteOrder(objc_class.super_class);
3009 sys::swapByteOrder(objc_class.name);
3010 sys::swapByteOrder(objc_class.version);
3011 sys::swapByteOrder(objc_class.info);
3012 sys::swapByteOrder(objc_class.instance_size);
3013 sys::swapByteOrder(objc_class.ivars);
3014 sys::swapByteOrder(objc_class.methodLists);
3015 sys::swapByteOrder(objc_class.cache);
3016 sys::swapByteOrder(objc_class.protocols);
3019 inline void swapStruct(struct objc_category_t &objc_category) {
3020 sys::swapByteOrder(objc_category.category_name);
3021 sys::swapByteOrder(objc_category.class_name);
3022 sys::swapByteOrder(objc_category.instance_methods);
3023 sys::swapByteOrder(objc_category.class_methods);
3024 sys::swapByteOrder(objc_category.protocols);
3027 inline void swapStruct(struct objc_ivar_list_t &objc_ivar_list) {
3028 sys::swapByteOrder(objc_ivar_list.ivar_count);
3031 inline void swapStruct(struct objc_ivar_t &objc_ivar) {
3032 sys::swapByteOrder(objc_ivar.ivar_name);
3033 sys::swapByteOrder(objc_ivar.ivar_type);
3034 sys::swapByteOrder(objc_ivar.ivar_offset);
3037 inline void swapStruct(struct objc_method_list_t &method_list) {
3038 sys::swapByteOrder(method_list.obsolete);
3039 sys::swapByteOrder(method_list.method_count);
3042 inline void swapStruct(struct objc_method_t &method) {
3043 sys::swapByteOrder(method.method_name);
3044 sys::swapByteOrder(method.method_types);
3045 sys::swapByteOrder(method.method_imp);
3048 inline void swapStruct(struct objc_protocol_list_t &protocol_list) {
3049 sys::swapByteOrder(protocol_list.next);
3050 sys::swapByteOrder(protocol_list.count);
3053 inline void swapStruct(struct objc_protocol_t &protocol) {
3054 sys::swapByteOrder(protocol.isa);
3055 sys::swapByteOrder(protocol.protocol_name);
3056 sys::swapByteOrder(protocol.protocol_list);
3057 sys::swapByteOrder(protocol.instance_methods);
3058 sys::swapByteOrder(protocol.class_methods);
3061 inline void swapStruct(struct objc_method_description_list_t &mdl) {
3062 sys::swapByteOrder(mdl.count);
3065 inline void swapStruct(struct objc_method_description_t &md) {
3066 sys::swapByteOrder(md.name);
3067 sys::swapByteOrder(md.types);
3070 static const char *get_dyld_bind_info_symbolname(uint64_t ReferenceValue,
3071 struct DisassembleInfo *info);
3073 // get_objc2_64bit_class_name() is used for disassembly and is passed a pointer
3074 // to an Objective-C class and returns the class name. It is also passed the
3075 // address of the pointer, so when the pointer is zero as it can be in an .o
3076 // file, that is used to look for an external relocation entry with a symbol
3078 static const char *get_objc2_64bit_class_name(uint64_t pointer_value,
3079 uint64_t ReferenceValue,
3080 struct DisassembleInfo *info) {
3082 uint32_t offset, left;
3085 // The pointer_value can be 0 in an object file and have a relocation
3086 // entry for the class symbol at the ReferenceValue (the address of the
3088 if (pointer_value == 0) {
3089 r = get_pointer_64(ReferenceValue, offset, left, S, info);
3090 if (r == nullptr || left < sizeof(uint64_t))
3093 const char *symbol_name = get_symbol_64(offset, S, info, n_value);
3094 if (symbol_name == nullptr)
3096 const char *class_name = strrchr(symbol_name, '$');
3097 if (class_name != nullptr && class_name[1] == '_' && class_name[2] != '\0')
3098 return class_name + 2;
3103 // The case were the pointer_value is non-zero and points to a class defined
3104 // in this Mach-O file.
3105 r = get_pointer_64(pointer_value, offset, left, S, info);
3106 if (r == nullptr || left < sizeof(struct class64_t))
3109 memcpy(&c, r, sizeof(struct class64_t));
3110 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
3114 r = get_pointer_64(c.data, offset, left, S, info);
3115 if (r == nullptr || left < sizeof(struct class_ro64_t))
3117 struct class_ro64_t cro;
3118 memcpy(&cro, r, sizeof(struct class_ro64_t));
3119 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
3123 const char *name = get_pointer_64(cro.name, offset, left, S, info);
3127 // get_objc2_64bit_cfstring_name is used for disassembly and is passed a
3128 // pointer to a cfstring and returns its name or nullptr.
3129 static const char *get_objc2_64bit_cfstring_name(uint64_t ReferenceValue,
3130 struct DisassembleInfo *info) {
3131 const char *r, *name;
3132 uint32_t offset, left;
3134 struct cfstring64_t cfs;
3135 uint64_t cfs_characters;
3137 r = get_pointer_64(ReferenceValue, offset, left, S, info);
3138 if (r == nullptr || left < sizeof(struct cfstring64_t))
3140 memcpy(&cfs, r, sizeof(struct cfstring64_t));
3141 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
3143 if (cfs.characters == 0) {
3145 const char *symbol_name = get_symbol_64(
3146 offset + offsetof(struct cfstring64_t, characters), S, info, n_value);
3147 if (symbol_name == nullptr)
3149 cfs_characters = n_value;
3151 cfs_characters = cfs.characters;
3152 name = get_pointer_64(cfs_characters, offset, left, S, info);
3157 // get_objc2_64bit_selref() is used for disassembly and is passed a the address
3158 // of a pointer to an Objective-C selector reference when the pointer value is
3159 // zero as in a .o file and is likely to have a external relocation entry with
3160 // who's symbol's n_value is the real pointer to the selector name. If that is
3161 // the case the real pointer to the selector name is returned else 0 is
3163 static uint64_t get_objc2_64bit_selref(uint64_t ReferenceValue,
3164 struct DisassembleInfo *info) {
3165 uint32_t offset, left;
3168 const char *r = get_pointer_64(ReferenceValue, offset, left, S, info);
3169 if (r == nullptr || left < sizeof(uint64_t))
3172 const char *symbol_name = get_symbol_64(offset, S, info, n_value);
3173 if (symbol_name == nullptr)
3178 static const SectionRef get_section(MachOObjectFile *O, const char *segname,
3179 const char *sectname) {
3180 for (const SectionRef &Section : O->sections()) {
3182 Section.getName(SectName);
3183 DataRefImpl Ref = Section.getRawDataRefImpl();
3184 StringRef SegName = O->getSectionFinalSegmentName(Ref);
3185 if (SegName == segname && SectName == sectname)
3188 return SectionRef();
3192 walk_pointer_list_64(const char *listname, const SectionRef S,
3193 MachOObjectFile *O, struct DisassembleInfo *info,
3194 void (*func)(uint64_t, struct DisassembleInfo *info)) {
3195 if (S == SectionRef())
3199 S.getName(SectName);
3200 DataRefImpl Ref = S.getRawDataRefImpl();
3201 StringRef SegName = O->getSectionFinalSegmentName(Ref);
3202 outs() << "Contents of (" << SegName << "," << SectName << ") section\n";
3205 S.getContents(BytesStr);
3206 const char *Contents = reinterpret_cast<const char *>(BytesStr.data());
3208 for (uint32_t i = 0; i < S.getSize(); i += sizeof(uint64_t)) {
3209 uint32_t left = S.getSize() - i;
3210 uint32_t size = left < sizeof(uint64_t) ? left : sizeof(uint64_t);
3212 memcpy(&p, Contents + i, size);
3213 if (i + sizeof(uint64_t) > S.getSize())
3214 outs() << listname << " list pointer extends past end of (" << SegName
3215 << "," << SectName << ") section\n";
3216 outs() << format("%016" PRIx64, S.getAddress() + i) << " ";
3218 if (O->isLittleEndian() != sys::IsLittleEndianHost)
3219 sys::swapByteOrder(p);
3221 uint64_t n_value = 0;
3222 const char *name = get_symbol_64(i, S, info, n_value, p);
3223 if (name == nullptr)
3224 name = get_dyld_bind_info_symbolname(S.getAddress() + i, info);
3227 outs() << format("0x%" PRIx64, n_value);
3229 outs() << " + " << format("0x%" PRIx64, p);
3231 outs() << format("0x%" PRIx64, p);
3232 if (name != nullptr)
3233 outs() << " " << name;
3243 walk_pointer_list_32(const char *listname, const SectionRef S,
3244 MachOObjectFile *O, struct DisassembleInfo *info,
3245 void (*func)(uint32_t, struct DisassembleInfo *info)) {
3246 if (S == SectionRef())
3250 S.getName(SectName);
3251 DataRefImpl Ref = S.getRawDataRefImpl();
3252 StringRef SegName = O->getSectionFinalSegmentName(Ref);
3253 outs() << "Contents of (" << SegName << "," << SectName << ") section\n";
3256 S.getContents(BytesStr);
3257 const char *Contents = reinterpret_cast<const char *>(BytesStr.data());
3259 for (uint32_t i = 0; i < S.getSize(); i += sizeof(uint32_t)) {
3260 uint32_t left = S.getSize() - i;
3261 uint32_t size = left < sizeof(uint32_t) ? left : sizeof(uint32_t);
3263 memcpy(&p, Contents + i, size);
3264 if (i + sizeof(uint32_t) > S.getSize())
3265 outs() << listname << " list pointer extends past end of (" << SegName
3266 << "," << SectName << ") section\n";
3267 uint32_t Address = S.getAddress() + i;
3268 outs() << format("%08" PRIx32, Address) << " ";
3270 if (O->isLittleEndian() != sys::IsLittleEndianHost)
3271 sys::swapByteOrder(p);
3272 outs() << format("0x%" PRIx32, p);
3274 const char *name = get_symbol_32(i, S, info, p);
3275 if (name != nullptr)
3276 outs() << " " << name;
3284 static void print_layout_map(const char *layout_map, uint32_t left) {
3285 if (layout_map == nullptr)
3287 outs() << " layout map: ";
3289 outs() << format("0x%02" PRIx32, (*layout_map) & 0xff) << " ";
3292 } while (*layout_map != '\0' && left != 0);
3296 static void print_layout_map64(uint64_t p, struct DisassembleInfo *info) {
3297 uint32_t offset, left;
3299 const char *layout_map;
3303 layout_map = get_pointer_64(p, offset, left, S, info);
3304 print_layout_map(layout_map, left);
3307 static void print_layout_map32(uint32_t p, struct DisassembleInfo *info) {
3308 uint32_t offset, left;
3310 const char *layout_map;
3314 layout_map = get_pointer_32(p, offset, left, S, info);
3315 print_layout_map(layout_map, left);
3318 static void print_method_list64_t(uint64_t p, struct DisassembleInfo *info,
3319 const char *indent) {
3320 struct method_list64_t ml;
3321 struct method64_t m;
3323 uint32_t offset, xoffset, left, i;
3325 const char *name, *sym_name;
3328 r = get_pointer_64(p, offset, left, S, info);
3331 memset(&ml, '\0', sizeof(struct method_list64_t));
3332 if (left < sizeof(struct method_list64_t)) {
3333 memcpy(&ml, r, left);
3334 outs() << " (method_list_t entends past the end of the section)\n";
3336 memcpy(&ml, r, sizeof(struct method_list64_t));
3337 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
3339 outs() << indent << "\t\t entsize " << ml.entsize << "\n";
3340 outs() << indent << "\t\t count " << ml.count << "\n";
3342 p += sizeof(struct method_list64_t);
3343 offset += sizeof(struct method_list64_t);
3344 for (i = 0; i < ml.count; i++) {
3345 r = get_pointer_64(p, offset, left, S, info);
3348 memset(&m, '\0', sizeof(struct method64_t));
3349 if (left < sizeof(struct method64_t)) {
3350 memcpy(&m, r, left);
3351 outs() << indent << " (method_t extends past the end of the section)\n";
3353 memcpy(&m, r, sizeof(struct method64_t));
3354 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
3357 outs() << indent << "\t\t name ";
3358 sym_name = get_symbol_64(offset + offsetof(struct method64_t, name), S,
3359 info, n_value, m.name);
3361 if (info->verbose && sym_name != nullptr)
3364 outs() << format("0x%" PRIx64, n_value);
3366 outs() << " + " << format("0x%" PRIx64, m.name);
3368 outs() << format("0x%" PRIx64, m.name);
3369 name = get_pointer_64(m.name + n_value, xoffset, left, xS, info);
3370 if (name != nullptr)
3371 outs() << format(" %.*s", left, name);
3374 outs() << indent << "\t\t types ";
3375 sym_name = get_symbol_64(offset + offsetof(struct method64_t, types), S,
3376 info, n_value, m.types);
3378 if (info->verbose && sym_name != nullptr)
3381 outs() << format("0x%" PRIx64, n_value);
3383 outs() << " + " << format("0x%" PRIx64, m.types);
3385 outs() << format("0x%" PRIx64, m.types);
3386 name = get_pointer_64(m.types + n_value, xoffset, left, xS, info);
3387 if (name != nullptr)
3388 outs() << format(" %.*s", left, name);
3391 outs() << indent << "\t\t imp ";
3392 name = get_symbol_64(offset + offsetof(struct method64_t, imp), S, info,
3394 if (info->verbose && name == nullptr) {
3396 outs() << format("0x%" PRIx64, n_value) << " ";
3398 outs() << "+ " << format("0x%" PRIx64, m.imp) << " ";
3400 outs() << format("0x%" PRIx64, m.imp) << " ";
3402 if (name != nullptr)
3406 p += sizeof(struct method64_t);
3407 offset += sizeof(struct method64_t);
3411 static void print_method_list32_t(uint64_t p, struct DisassembleInfo *info,
3412 const char *indent) {
3413 struct method_list32_t ml;
3414 struct method32_t m;
3415 const char *r, *name;
3416 uint32_t offset, xoffset, left, i;
3419 r = get_pointer_32(p, offset, left, S, info);
3422 memset(&ml, '\0', sizeof(struct method_list32_t));
3423 if (left < sizeof(struct method_list32_t)) {
3424 memcpy(&ml, r, left);
3425 outs() << " (method_list_t entends past the end of the section)\n";
3427 memcpy(&ml, r, sizeof(struct method_list32_t));
3428 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
3430 outs() << indent << "\t\t entsize " << ml.entsize << "\n";
3431 outs() << indent << "\t\t count " << ml.count << "\n";
3433 p += sizeof(struct method_list32_t);
3434 offset += sizeof(struct method_list32_t);
3435 for (i = 0; i < ml.count; i++) {
3436 r = get_pointer_32(p, offset, left, S, info);
3439 memset(&m, '\0', sizeof(struct method32_t));
3440 if (left < sizeof(struct method32_t)) {
3441 memcpy(&ml, r, left);
3442 outs() << indent << " (method_t entends past the end of the section)\n";
3444 memcpy(&m, r, sizeof(struct method32_t));
3445 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
3448 outs() << indent << "\t\t name " << format("0x%" PRIx32, m.name);
3449 name = get_pointer_32(m.name, xoffset, left, xS, info);
3450 if (name != nullptr)
3451 outs() << format(" %.*s", left, name);
3454 outs() << indent << "\t\t types " << format("0x%" PRIx32, m.types);
3455 name = get_pointer_32(m.types, xoffset, left, xS, info);
3456 if (name != nullptr)
3457 outs() << format(" %.*s", left, name);
3460 outs() << indent << "\t\t imp " << format("0x%" PRIx32, m.imp);
3461 name = get_symbol_32(offset + offsetof(struct method32_t, imp), S, info,
3463 if (name != nullptr)
3464 outs() << " " << name;
3467 p += sizeof(struct method32_t);
3468 offset += sizeof(struct method32_t);
3472 static bool print_method_list(uint32_t p, struct DisassembleInfo *info) {
3473 uint32_t offset, left, xleft;
3475 struct objc_method_list_t method_list;
3476 struct objc_method_t method;
3477 const char *r, *methods, *name, *SymbolName;
3480 r = get_pointer_32(p, offset, left, S, info, true);
3485 if (left > sizeof(struct objc_method_list_t)) {
3486 memcpy(&method_list, r, sizeof(struct objc_method_list_t));
3488 outs() << "\t\t objc_method_list extends past end of the section\n";
3489 memset(&method_list, '\0', sizeof(struct objc_method_list_t));
3490 memcpy(&method_list, r, left);
3492 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
3493 swapStruct(method_list);
3495 outs() << "\t\t obsolete "
3496 << format("0x%08" PRIx32, method_list.obsolete) << "\n";
3497 outs() << "\t\t method_count " << method_list.method_count << "\n";
3499 methods = r + sizeof(struct objc_method_list_t);
3500 for (i = 0; i < method_list.method_count; i++) {
3501 if ((i + 1) * sizeof(struct objc_method_t) > left) {
3502 outs() << "\t\t remaining method's extend past the of the section\n";
3505 memcpy(&method, methods + i * sizeof(struct objc_method_t),
3506 sizeof(struct objc_method_t));
3507 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
3510 outs() << "\t\t method_name "
3511 << format("0x%08" PRIx32, method.method_name);
3512 if (info->verbose) {
3513 name = get_pointer_32(method.method_name, offset, xleft, S, info, true);
3514 if (name != nullptr)
3515 outs() << format(" %.*s", xleft, name);
3517 outs() << " (not in an __OBJC section)";
3521 outs() << "\t\t method_types "
3522 << format("0x%08" PRIx32, method.method_types);
3523 if (info->verbose) {
3524 name = get_pointer_32(method.method_types, offset, xleft, S, info, true);
3525 if (name != nullptr)
3526 outs() << format(" %.*s", xleft, name);
3528 outs() << " (not in an __OBJC section)";
3532 outs() << "\t\t method_imp "
3533 << format("0x%08" PRIx32, method.method_imp) << " ";
3534 if (info->verbose) {
3535 SymbolName = GuessSymbolName(method.method_imp, info->AddrMap);
3536 if (SymbolName != nullptr)
3537 outs() << SymbolName;
3544 static void print_protocol_list64_t(uint64_t p, struct DisassembleInfo *info) {
3545 struct protocol_list64_t pl;
3546 uint64_t q, n_value;
3547 struct protocol64_t pc;
3549 uint32_t offset, xoffset, left, i;
3551 const char *name, *sym_name;
3553 r = get_pointer_64(p, offset, left, S, info);
3556 memset(&pl, '\0', sizeof(struct protocol_list64_t));
3557 if (left < sizeof(struct protocol_list64_t)) {
3558 memcpy(&pl, r, left);
3559 outs() << " (protocol_list_t entends past the end of the section)\n";
3561 memcpy(&pl, r, sizeof(struct protocol_list64_t));
3562 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
3564 outs() << " count " << pl.count << "\n";
3566 p += sizeof(struct protocol_list64_t);
3567 offset += sizeof(struct protocol_list64_t);
3568 for (i = 0; i < pl.count; i++) {
3569 r = get_pointer_64(p, offset, left, S, info);
3573 if (left < sizeof(uint64_t)) {
3574 memcpy(&q, r, left);
3575 outs() << " (protocol_t * entends past the end of the section)\n";
3577 memcpy(&q, r, sizeof(uint64_t));
3578 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
3579 sys::swapByteOrder(q);
3581 outs() << "\t\t list[" << i << "] ";
3582 sym_name = get_symbol_64(offset, S, info, n_value, q);
3584 if (info->verbose && sym_name != nullptr)
3587 outs() << format("0x%" PRIx64, n_value);
3589 outs() << " + " << format("0x%" PRIx64, q);
3591 outs() << format("0x%" PRIx64, q);
3592 outs() << " (struct protocol_t *)\n";
3594 r = get_pointer_64(q + n_value, offset, left, S, info);
3597 memset(&pc, '\0', sizeof(struct protocol64_t));
3598 if (left < sizeof(struct protocol64_t)) {
3599 memcpy(&pc, r, left);
3600 outs() << " (protocol_t entends past the end of the section)\n";
3602 memcpy(&pc, r, sizeof(struct protocol64_t));
3603 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
3606 outs() << "\t\t\t isa " << format("0x%" PRIx64, pc.isa) << "\n";
3608 outs() << "\t\t\t name ";
3609 sym_name = get_symbol_64(offset + offsetof(struct protocol64_t, name), S,
3610 info, n_value, pc.name);
3612 if (info->verbose && sym_name != nullptr)
3615 outs() << format("0x%" PRIx64, n_value);
3617 outs() << " + " << format("0x%" PRIx64, pc.name);
3619 outs() << format("0x%" PRIx64, pc.name);
3620 name = get_pointer_64(pc.name + n_value, xoffset, left, xS, info);
3621 if (name != nullptr)
3622 outs() << format(" %.*s", left, name);
3625 outs() << "\t\t\tprotocols " << format("0x%" PRIx64, pc.protocols) << "\n";
3627 outs() << "\t\t instanceMethods ";
3629 get_symbol_64(offset + offsetof(struct protocol64_t, instanceMethods),
3630 S, info, n_value, pc.instanceMethods);
3632 if (info->verbose && sym_name != nullptr)
3635 outs() << format("0x%" PRIx64, n_value);
3636 if (pc.instanceMethods != 0)
3637 outs() << " + " << format("0x%" PRIx64, pc.instanceMethods);
3639 outs() << format("0x%" PRIx64, pc.instanceMethods);
3640 outs() << " (struct method_list_t *)\n";
3641 if (pc.instanceMethods + n_value != 0)
3642 print_method_list64_t(pc.instanceMethods + n_value, info, "\t");
3644 outs() << "\t\t classMethods ";
3646 get_symbol_64(offset + offsetof(struct protocol64_t, classMethods), S,
3647 info, n_value, pc.classMethods);
3649 if (info->verbose && sym_name != nullptr)
3652 outs() << format("0x%" PRIx64, n_value);
3653 if (pc.classMethods != 0)
3654 outs() << " + " << format("0x%" PRIx64, pc.classMethods);
3656 outs() << format("0x%" PRIx64, pc.classMethods);
3657 outs() << " (struct method_list_t *)\n";
3658 if (pc.classMethods + n_value != 0)
3659 print_method_list64_t(pc.classMethods + n_value, info, "\t");
3661 outs() << "\t optionalInstanceMethods "
3662 << format("0x%" PRIx64, pc.optionalInstanceMethods) << "\n";
3663 outs() << "\t optionalClassMethods "
3664 << format("0x%" PRIx64, pc.optionalClassMethods) << "\n";
3665 outs() << "\t instanceProperties "
3666 << format("0x%" PRIx64, pc.instanceProperties) << "\n";
3668 p += sizeof(uint64_t);
3669 offset += sizeof(uint64_t);
3673 static void print_protocol_list32_t(uint32_t p, struct DisassembleInfo *info) {
3674 struct protocol_list32_t pl;
3676 struct protocol32_t pc;
3678 uint32_t offset, xoffset, left, i;
3682 r = get_pointer_32(p, offset, left, S, info);
3685 memset(&pl, '\0', sizeof(struct protocol_list32_t));
3686 if (left < sizeof(struct protocol_list32_t)) {
3687 memcpy(&pl, r, left);
3688 outs() << " (protocol_list_t entends past the end of the section)\n";
3690 memcpy(&pl, r, sizeof(struct protocol_list32_t));
3691 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
3693 outs() << " count " << pl.count << "\n";
3695 p += sizeof(struct protocol_list32_t);
3696 offset += sizeof(struct protocol_list32_t);
3697 for (i = 0; i < pl.count; i++) {
3698 r = get_pointer_32(p, offset, left, S, info);
3702 if (left < sizeof(uint32_t)) {
3703 memcpy(&q, r, left);
3704 outs() << " (protocol_t * entends past the end of the section)\n";
3706 memcpy(&q, r, sizeof(uint32_t));
3707 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
3708 sys::swapByteOrder(q);
3709 outs() << "\t\t list[" << i << "] " << format("0x%" PRIx32, q)
3710 << " (struct protocol_t *)\n";
3711 r = get_pointer_32(q, offset, left, S, info);
3714 memset(&pc, '\0', sizeof(struct protocol32_t));
3715 if (left < sizeof(struct protocol32_t)) {
3716 memcpy(&pc, r, left);
3717 outs() << " (protocol_t entends past the end of the section)\n";
3719 memcpy(&pc, r, sizeof(struct protocol32_t));
3720 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
3722 outs() << "\t\t\t isa " << format("0x%" PRIx32, pc.isa) << "\n";
3723 outs() << "\t\t\t name " << format("0x%" PRIx32, pc.name);
3724 name = get_pointer_32(pc.name, xoffset, left, xS, info);
3725 if (name != nullptr)
3726 outs() << format(" %.*s", left, name);
3728 outs() << "\t\t\tprotocols " << format("0x%" PRIx32, pc.protocols) << "\n";
3729 outs() << "\t\t instanceMethods "
3730 << format("0x%" PRIx32, pc.instanceMethods)
3731 << " (struct method_list_t *)\n";
3732 if (pc.instanceMethods != 0)
3733 print_method_list32_t(pc.instanceMethods, info, "\t");
3734 outs() << "\t\t classMethods " << format("0x%" PRIx32, pc.classMethods)
3735 << " (struct method_list_t *)\n";
3736 if (pc.classMethods != 0)
3737 print_method_list32_t(pc.classMethods, info, "\t");
3738 outs() << "\t optionalInstanceMethods "
3739 << format("0x%" PRIx32, pc.optionalInstanceMethods) << "\n";
3740 outs() << "\t optionalClassMethods "
3741 << format("0x%" PRIx32, pc.optionalClassMethods) << "\n";
3742 outs() << "\t instanceProperties "
3743 << format("0x%" PRIx32, pc.instanceProperties) << "\n";
3744 p += sizeof(uint32_t);
3745 offset += sizeof(uint32_t);
3749 static void print_indent(uint32_t indent) {
3750 for (uint32_t i = 0; i < indent;) {
3751 if (indent - i >= 8) {
3755 for (uint32_t j = i; j < indent; j++)
3762 static bool print_method_description_list(uint32_t p, uint32_t indent,
3763 struct DisassembleInfo *info) {
3764 uint32_t offset, left, xleft;
3766 struct objc_method_description_list_t mdl;
3767 struct objc_method_description_t md;
3768 const char *r, *list, *name;
3771 r = get_pointer_32(p, offset, left, S, info, true);
3776 if (left > sizeof(struct objc_method_description_list_t)) {
3777 memcpy(&mdl, r, sizeof(struct objc_method_description_list_t));
3779 print_indent(indent);
3780 outs() << " objc_method_description_list extends past end of the section\n";
3781 memset(&mdl, '\0', sizeof(struct objc_method_description_list_t));
3782 memcpy(&mdl, r, left);
3784 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
3787 print_indent(indent);
3788 outs() << " count " << mdl.count << "\n";
3790 list = r + sizeof(struct objc_method_description_list_t);
3791 for (i = 0; i < mdl.count; i++) {
3792 if ((i + 1) * sizeof(struct objc_method_description_t) > left) {
3793 print_indent(indent);
3794 outs() << " remaining list entries extend past the of the section\n";
3797 print_indent(indent);
3798 outs() << " list[" << i << "]\n";
3799 memcpy(&md, list + i * sizeof(struct objc_method_description_t),
3800 sizeof(struct objc_method_description_t));
3801 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
3804 print_indent(indent);
3805 outs() << " name " << format("0x%08" PRIx32, md.name);
3806 if (info->verbose) {
3807 name = get_pointer_32(md.name, offset, xleft, S, info, true);
3808 if (name != nullptr)
3809 outs() << format(" %.*s", xleft, name);
3811 outs() << " (not in an __OBJC section)";
3815 print_indent(indent);
3816 outs() << " types " << format("0x%08" PRIx32, md.types);
3817 if (info->verbose) {
3818 name = get_pointer_32(md.types, offset, xleft, S, info, true);
3819 if (name != nullptr)
3820 outs() << format(" %.*s", xleft, name);
3822 outs() << " (not in an __OBJC section)";
3829 static bool print_protocol_list(uint32_t p, uint32_t indent,
3830 struct DisassembleInfo *info);
3832 static bool print_protocol(uint32_t p, uint32_t indent,
3833 struct DisassembleInfo *info) {
3834 uint32_t offset, left;
3836 struct objc_protocol_t protocol;
3837 const char *r, *name;
3839 r = get_pointer_32(p, offset, left, S, info, true);
3844 if (left >= sizeof(struct objc_protocol_t)) {
3845 memcpy(&protocol, r, sizeof(struct objc_protocol_t));
3847 print_indent(indent);
3848 outs() << " Protocol extends past end of the section\n";
3849 memset(&protocol, '\0', sizeof(struct objc_protocol_t));
3850 memcpy(&protocol, r, left);
3852 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
3853 swapStruct(protocol);
3855 print_indent(indent);
3856 outs() << " isa " << format("0x%08" PRIx32, protocol.isa)
3859 print_indent(indent);
3860 outs() << " protocol_name "
3861 << format("0x%08" PRIx32, protocol.protocol_name);
3862 if (info->verbose) {
3863 name = get_pointer_32(protocol.protocol_name, offset, left, S, info, true);
3864 if (name != nullptr)
3865 outs() << format(" %.*s", left, name);
3867 outs() << " (not in an __OBJC section)";
3871 print_indent(indent);
3872 outs() << " protocol_list "
3873 << format("0x%08" PRIx32, protocol.protocol_list);
3874 if (print_protocol_list(protocol.protocol_list, indent + 4, info))
3875 outs() << " (not in an __OBJC section)\n";
3877 print_indent(indent);
3878 outs() << " instance_methods "
3879 << format("0x%08" PRIx32, protocol.instance_methods);
3880 if (print_method_description_list(protocol.instance_methods, indent, info))
3881 outs() << " (not in an __OBJC section)\n";
3883 print_indent(indent);
3884 outs() << " class_methods "
3885 << format("0x%08" PRIx32, protocol.class_methods);
3886 if (print_method_description_list(protocol.class_methods, indent, info))
3887 outs() << " (not in an __OBJC section)\n";
3892 static bool print_protocol_list(uint32_t p, uint32_t indent,
3893 struct DisassembleInfo *info) {
3894 uint32_t offset, left, l;
3896 struct objc_protocol_list_t protocol_list;
3897 const char *r, *list;
3900 r = get_pointer_32(p, offset, left, S, info, true);
3905 if (left > sizeof(struct objc_protocol_list_t)) {
3906 memcpy(&protocol_list, r, sizeof(struct objc_protocol_list_t));
3908 outs() << "\t\t objc_protocol_list_t extends past end of the section\n";
3909 memset(&protocol_list, '\0', sizeof(struct objc_protocol_list_t));
3910 memcpy(&protocol_list, r, left);
3912 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
3913 swapStruct(protocol_list);
3915 print_indent(indent);
3916 outs() << " next " << format("0x%08" PRIx32, protocol_list.next)
3918 print_indent(indent);
3919 outs() << " count " << protocol_list.count << "\n";
3921 list = r + sizeof(struct objc_protocol_list_t);
3922 for (i = 0; i < protocol_list.count; i++) {
3923 if ((i + 1) * sizeof(uint32_t) > left) {
3924 outs() << "\t\t remaining list entries extend past the of the section\n";
3927 memcpy(&l, list + i * sizeof(uint32_t), sizeof(uint32_t));
3928 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
3929 sys::swapByteOrder(l);
3931 print_indent(indent);
3932 outs() << " list[" << i << "] " << format("0x%08" PRIx32, l);
3933 if (print_protocol(l, indent, info))
3934 outs() << "(not in an __OBJC section)\n";
3939 static void print_ivar_list64_t(uint64_t p, struct DisassembleInfo *info) {
3940 struct ivar_list64_t il;
3943 uint32_t offset, xoffset, left, j;
3945 const char *name, *sym_name, *ivar_offset_p;
3946 uint64_t ivar_offset, n_value;
3948 r = get_pointer_64(p, offset, left, S, info);
3951 memset(&il, '\0', sizeof(struct ivar_list64_t));
3952 if (left < sizeof(struct ivar_list64_t)) {
3953 memcpy(&il, r, left);
3954 outs() << " (ivar_list_t entends past the end of the section)\n";
3956 memcpy(&il, r, sizeof(struct ivar_list64_t));
3957 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
3959 outs() << " entsize " << il.entsize << "\n";
3960 outs() << " count " << il.count << "\n";
3962 p += sizeof(struct ivar_list64_t);
3963 offset += sizeof(struct ivar_list64_t);
3964 for (j = 0; j < il.count; j++) {
3965 r = get_pointer_64(p, offset, left, S, info);
3968 memset(&i, '\0', sizeof(struct ivar64_t));
3969 if (left < sizeof(struct ivar64_t)) {
3970 memcpy(&i, r, left);
3971 outs() << " (ivar_t entends past the end of the section)\n";
3973 memcpy(&i, r, sizeof(struct ivar64_t));
3974 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
3977 outs() << "\t\t\t offset ";
3978 sym_name = get_symbol_64(offset + offsetof(struct ivar64_t, offset), S,
3979 info, n_value, i.offset);
3981 if (info->verbose && sym_name != nullptr)
3984 outs() << format("0x%" PRIx64, n_value);
3986 outs() << " + " << format("0x%" PRIx64, i.offset);
3988 outs() << format("0x%" PRIx64, i.offset);
3989 ivar_offset_p = get_pointer_64(i.offset + n_value, xoffset, left, xS, info);
3990 if (ivar_offset_p != nullptr && left >= sizeof(*ivar_offset_p)) {
3991 memcpy(&ivar_offset, ivar_offset_p, sizeof(ivar_offset));
3992 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
3993 sys::swapByteOrder(ivar_offset);
3994 outs() << " " << ivar_offset << "\n";
3998 outs() << "\t\t\t name ";
3999 sym_name = get_symbol_64(offset + offsetof(struct ivar64_t, name), S, info,
4002 if (info->verbose && sym_name != nullptr)
4005 outs() << format("0x%" PRIx64, n_value);
4007 outs() << " + " << format("0x%" PRIx64, i.name);
4009 outs() << format("0x%" PRIx64, i.name);
4010 name = get_pointer_64(i.name + n_value, xoffset, left, xS, info);
4011 if (name != nullptr)
4012 outs() << format(" %.*s", left, name);
4015 outs() << "\t\t\t type ";
4016 sym_name = get_symbol_64(offset + offsetof(struct ivar64_t, type), S, info,
4018 name = get_pointer_64(i.type + n_value, xoffset, left, xS, info);
4020 if (info->verbose && sym_name != nullptr)
4023 outs() << format("0x%" PRIx64, n_value);
4025 outs() << " + " << format("0x%" PRIx64, i.type);
4027 outs() << format("0x%" PRIx64, i.type);
4028 if (name != nullptr)
4029 outs() << format(" %.*s", left, name);
4032 outs() << "\t\t\talignment " << i.alignment << "\n";
4033 outs() << "\t\t\t size " << i.size << "\n";
4035 p += sizeof(struct ivar64_t);
4036 offset += sizeof(struct ivar64_t);
4040 static void print_ivar_list32_t(uint32_t p, struct DisassembleInfo *info) {
4041 struct ivar_list32_t il;
4044 uint32_t offset, xoffset, left, j;
4046 const char *name, *ivar_offset_p;
4047 uint32_t ivar_offset;
4049 r = get_pointer_32(p, offset, left, S, info);
4052 memset(&il, '\0', sizeof(struct ivar_list32_t));
4053 if (left < sizeof(struct ivar_list32_t)) {
4054 memcpy(&il, r, left);
4055 outs() << " (ivar_list_t entends past the end of the section)\n";
4057 memcpy(&il, r, sizeof(struct ivar_list32_t));
4058 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
4060 outs() << " entsize " << il.entsize << "\n";
4061 outs() << " count " << il.count << "\n";
4063 p += sizeof(struct ivar_list32_t);
4064 offset += sizeof(struct ivar_list32_t);
4065 for (j = 0; j < il.count; j++) {
4066 r = get_pointer_32(p, offset, left, S, info);
4069 memset(&i, '\0', sizeof(struct ivar32_t));
4070 if (left < sizeof(struct ivar32_t)) {
4071 memcpy(&i, r, left);
4072 outs() << " (ivar_t entends past the end of the section)\n";
4074 memcpy(&i, r, sizeof(struct ivar32_t));
4075 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
4078 outs() << "\t\t\t offset " << format("0x%" PRIx32, i.offset);
4079 ivar_offset_p = get_pointer_32(i.offset, xoffset, left, xS, info);
4080 if (ivar_offset_p != nullptr && left >= sizeof(*ivar_offset_p)) {
4081 memcpy(&ivar_offset, ivar_offset_p, sizeof(ivar_offset));
4082 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
4083 sys::swapByteOrder(ivar_offset);
4084 outs() << " " << ivar_offset << "\n";
4088 outs() << "\t\t\t name " << format("0x%" PRIx32, i.name);
4089 name = get_pointer_32(i.name, xoffset, left, xS, info);
4090 if (name != nullptr)
4091 outs() << format(" %.*s", left, name);
4094 outs() << "\t\t\t type " << format("0x%" PRIx32, i.type);
4095 name = get_pointer_32(i.type, xoffset, left, xS, info);
4096 if (name != nullptr)
4097 outs() << format(" %.*s", left, name);
4100 outs() << "\t\t\talignment " << i.alignment << "\n";
4101 outs() << "\t\t\t size " << i.size << "\n";
4103 p += sizeof(struct ivar32_t);
4104 offset += sizeof(struct ivar32_t);
4108 static void print_objc_property_list64(uint64_t p,
4109 struct DisassembleInfo *info) {
4110 struct objc_property_list64 opl;
4111 struct objc_property64 op;
4113 uint32_t offset, xoffset, left, j;
4115 const char *name, *sym_name;
4118 r = get_pointer_64(p, offset, left, S, info);
4121 memset(&opl, '\0', sizeof(struct objc_property_list64));
4122 if (left < sizeof(struct objc_property_list64)) {
4123 memcpy(&opl, r, left);
4124 outs() << " (objc_property_list entends past the end of the section)\n";
4126 memcpy(&opl, r, sizeof(struct objc_property_list64));
4127 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
4129 outs() << " entsize " << opl.entsize << "\n";
4130 outs() << " count " << opl.count << "\n";
4132 p += sizeof(struct objc_property_list64);
4133 offset += sizeof(struct objc_property_list64);
4134 for (j = 0; j < opl.count; j++) {
4135 r = get_pointer_64(p, offset, left, S, info);
4138 memset(&op, '\0', sizeof(struct objc_property64));
4139 if (left < sizeof(struct objc_property64)) {
4140 memcpy(&op, r, left);
4141 outs() << " (objc_property entends past the end of the section)\n";
4143 memcpy(&op, r, sizeof(struct objc_property64));
4144 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
4147 outs() << "\t\t\t name ";
4148 sym_name = get_symbol_64(offset + offsetof(struct objc_property64, name), S,
4149 info, n_value, op.name);
4151 if (info->verbose && sym_name != nullptr)
4154 outs() << format("0x%" PRIx64, n_value);
4156 outs() << " + " << format("0x%" PRIx64, op.name);
4158 outs() << format("0x%" PRIx64, op.name);
4159 name = get_pointer_64(op.name + n_value, xoffset, left, xS, info);
4160 if (name != nullptr)
4161 outs() << format(" %.*s", left, name);
4164 outs() << "\t\t\tattributes ";
4166 get_symbol_64(offset + offsetof(struct objc_property64, attributes), S,
4167 info, n_value, op.attributes);
4169 if (info->verbose && sym_name != nullptr)
4172 outs() << format("0x%" PRIx64, n_value);
4173 if (op.attributes != 0)
4174 outs() << " + " << format("0x%" PRIx64, op.attributes);
4176 outs() << format("0x%" PRIx64, op.attributes);
4177 name = get_pointer_64(op.attributes + n_value, xoffset, left, xS, info);
4178 if (name != nullptr)
4179 outs() << format(" %.*s", left, name);
4182 p += sizeof(struct objc_property64);
4183 offset += sizeof(struct objc_property64);
4187 static void print_objc_property_list32(uint32_t p,
4188 struct DisassembleInfo *info) {
4189 struct objc_property_list32 opl;
4190 struct objc_property32 op;
4192 uint32_t offset, xoffset, left, j;
4196 r = get_pointer_32(p, offset, left, S, info);
4199 memset(&opl, '\0', sizeof(struct objc_property_list32));
4200 if (left < sizeof(struct objc_property_list32)) {
4201 memcpy(&opl, r, left);
4202 outs() << " (objc_property_list entends past the end of the section)\n";
4204 memcpy(&opl, r, sizeof(struct objc_property_list32));
4205 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
4207 outs() << " entsize " << opl.entsize << "\n";
4208 outs() << " count " << opl.count << "\n";
4210 p += sizeof(struct objc_property_list32);
4211 offset += sizeof(struct objc_property_list32);
4212 for (j = 0; j < opl.count; j++) {
4213 r = get_pointer_32(p, offset, left, S, info);
4216 memset(&op, '\0', sizeof(struct objc_property32));
4217 if (left < sizeof(struct objc_property32)) {
4218 memcpy(&op, r, left);
4219 outs() << " (objc_property entends past the end of the section)\n";
4221 memcpy(&op, r, sizeof(struct objc_property32));
4222 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
4225 outs() << "\t\t\t name " << format("0x%" PRIx32, op.name);
4226 name = get_pointer_32(op.name, xoffset, left, xS, info);
4227 if (name != nullptr)
4228 outs() << format(" %.*s", left, name);
4231 outs() << "\t\t\tattributes " << format("0x%" PRIx32, op.attributes);
4232 name = get_pointer_32(op.attributes, xoffset, left, xS, info);
4233 if (name != nullptr)
4234 outs() << format(" %.*s", left, name);
4237 p += sizeof(struct objc_property32);
4238 offset += sizeof(struct objc_property32);
4242 static bool print_class_ro64_t(uint64_t p, struct DisassembleInfo *info,
4243 bool &is_meta_class) {
4244 struct class_ro64_t cro;
4246 uint32_t offset, xoffset, left;
4248 const char *name, *sym_name;
4251 r = get_pointer_64(p, offset, left, S, info);
4252 if (r == nullptr || left < sizeof(struct class_ro64_t))
4254 memset(&cro, '\0', sizeof(struct class_ro64_t));
4255 if (left < sizeof(struct class_ro64_t)) {
4256 memcpy(&cro, r, left);
4257 outs() << " (class_ro_t entends past the end of the section)\n";
4259 memcpy(&cro, r, sizeof(struct class_ro64_t));
4260 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
4262 outs() << " flags " << format("0x%" PRIx32, cro.flags);
4263 if (cro.flags & RO_META)
4264 outs() << " RO_META";
4265 if (cro.flags & RO_ROOT)
4266 outs() << " RO_ROOT";
4267 if (cro.flags & RO_HAS_CXX_STRUCTORS)
4268 outs() << " RO_HAS_CXX_STRUCTORS";
4270 outs() << " instanceStart " << cro.instanceStart << "\n";
4271 outs() << " instanceSize " << cro.instanceSize << "\n";
4272 outs() << " reserved " << format("0x%" PRIx32, cro.reserved)
4274 outs() << " ivarLayout " << format("0x%" PRIx64, cro.ivarLayout)
4276 print_layout_map64(cro.ivarLayout, info);
4279 sym_name = get_symbol_64(offset + offsetof(struct class_ro64_t, name), S,
4280 info, n_value, cro.name);
4282 if (info->verbose && sym_name != nullptr)
4285 outs() << format("0x%" PRIx64, n_value);
4287 outs() << " + " << format("0x%" PRIx64, cro.name);
4289 outs() << format("0x%" PRIx64, cro.name);
4290 name = get_pointer_64(cro.name + n_value, xoffset, left, xS, info);
4291 if (name != nullptr)
4292 outs() << format(" %.*s", left, name);
4295 outs() << " baseMethods ";
4296 sym_name = get_symbol_64(offset + offsetof(struct class_ro64_t, baseMethods),
4297 S, info, n_value, cro.baseMethods);
4299 if (info->verbose && sym_name != nullptr)
4302 outs() << format("0x%" PRIx64, n_value);
4303 if (cro.baseMethods != 0)
4304 outs() << " + " << format("0x%" PRIx64, cro.baseMethods);
4306 outs() << format("0x%" PRIx64, cro.baseMethods);
4307 outs() << " (struct method_list_t *)\n";
4308 if (cro.baseMethods + n_value != 0)
4309 print_method_list64_t(cro.baseMethods + n_value, info, "");
4311 outs() << " baseProtocols ";
4313 get_symbol_64(offset + offsetof(struct class_ro64_t, baseProtocols), S,
4314 info, n_value, cro.baseProtocols);
4316 if (info->verbose && sym_name != nullptr)
4319 outs() << format("0x%" PRIx64, n_value);
4320 if (cro.baseProtocols != 0)
4321 outs() << " + " << format("0x%" PRIx64, cro.baseProtocols);
4323 outs() << format("0x%" PRIx64, cro.baseProtocols);
4325 if (cro.baseProtocols + n_value != 0)
4326 print_protocol_list64_t(cro.baseProtocols + n_value, info);
4328 outs() << " ivars ";
4329 sym_name = get_symbol_64(offset + offsetof(struct class_ro64_t, ivars), S,
4330 info, n_value, cro.ivars);
4332 if (info->verbose && sym_name != nullptr)
4335 outs() << format("0x%" PRIx64, n_value);
4337 outs() << " + " << format("0x%" PRIx64, cro.ivars);
4339 outs() << format("0x%" PRIx64, cro.ivars);
4341 if (cro.ivars + n_value != 0)
4342 print_ivar_list64_t(cro.ivars + n_value, info);
4344 outs() << " weakIvarLayout ";
4346 get_symbol_64(offset + offsetof(struct class_ro64_t, weakIvarLayout), S,
4347 info, n_value, cro.weakIvarLayout);
4349 if (info->verbose && sym_name != nullptr)
4352 outs() << format("0x%" PRIx64, n_value);
4353 if (cro.weakIvarLayout != 0)
4354 outs() << " + " << format("0x%" PRIx64, cro.weakIvarLayout);
4356 outs() << format("0x%" PRIx64, cro.weakIvarLayout);
4358 print_layout_map64(cro.weakIvarLayout + n_value, info);
4360 outs() << " baseProperties ";
4362 get_symbol_64(offset + offsetof(struct class_ro64_t, baseProperties), S,
4363 info, n_value, cro.baseProperties);
4365 if (info->verbose && sym_name != nullptr)
4368 outs() << format("0x%" PRIx64, n_value);
4369 if (cro.baseProperties != 0)
4370 outs() << " + " << format("0x%" PRIx64, cro.baseProperties);
4372 outs() << format("0x%" PRIx64, cro.baseProperties);
4374 if (cro.baseProperties + n_value != 0)
4375 print_objc_property_list64(cro.baseProperties + n_value, info);
4377 is_meta_class = (cro.flags & RO_META) != 0;
4381 static bool print_class_ro32_t(uint32_t p, struct DisassembleInfo *info,
4382 bool &is_meta_class) {
4383 struct class_ro32_t cro;
4385 uint32_t offset, xoffset, left;
4389 r = get_pointer_32(p, offset, left, S, info);
4392 memset(&cro, '\0', sizeof(struct class_ro32_t));
4393 if (left < sizeof(struct class_ro32_t)) {
4394 memcpy(&cro, r, left);
4395 outs() << " (class_ro_t entends past the end of the section)\n";
4397 memcpy(&cro, r, sizeof(struct class_ro32_t));
4398 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
4400 outs() << " flags " << format("0x%" PRIx32, cro.flags);
4401 if (cro.flags & RO_META)
4402 outs() << " RO_META";
4403 if (cro.flags & RO_ROOT)
4404 outs() << " RO_ROOT";
4405 if (cro.flags & RO_HAS_CXX_STRUCTORS)
4406 outs() << " RO_HAS_CXX_STRUCTORS";
4408 outs() << " instanceStart " << cro.instanceStart << "\n";
4409 outs() << " instanceSize " << cro.instanceSize << "\n";
4410 outs() << " ivarLayout " << format("0x%" PRIx32, cro.ivarLayout)
4412 print_layout_map32(cro.ivarLayout, info);
4414 outs() << " name " << format("0x%" PRIx32, cro.name);
4415 name = get_pointer_32(cro.name, xoffset, left, xS, info);
4416 if (name != nullptr)
4417 outs() << format(" %.*s", left, name);
4420 outs() << " baseMethods "
4421 << format("0x%" PRIx32, cro.baseMethods)
4422 << " (struct method_list_t *)\n";
4423 if (cro.baseMethods != 0)
4424 print_method_list32_t(cro.baseMethods, info, "");
4426 outs() << " baseProtocols "
4427 << format("0x%" PRIx32, cro.baseProtocols) << "\n";
4428 if (cro.baseProtocols != 0)
4429 print_protocol_list32_t(cro.baseProtocols, info);
4430 outs() << " ivars " << format("0x%" PRIx32, cro.ivars)
4433 print_ivar_list32_t(cro.ivars, info);
4434 outs() << " weakIvarLayout "
4435 << format("0x%" PRIx32, cro.weakIvarLayout) << "\n";
4436 print_layout_map32(cro.weakIvarLayout, info);
4437 outs() << " baseProperties "
4438 << format("0x%" PRIx32, cro.baseProperties) << "\n";
4439 if (cro.baseProperties != 0)
4440 print_objc_property_list32(cro.baseProperties, info);
4441 is_meta_class = (cro.flags & RO_META) != 0;
4445 static void print_class64_t(uint64_t p, struct DisassembleInfo *info) {
4448 uint32_t offset, left;
4451 uint64_t isa_n_value, n_value;
4453 r = get_pointer_64(p, offset, left, S, info);
4454 if (r == nullptr || left < sizeof(struct class64_t))
4456 memset(&c, '\0', sizeof(struct class64_t));
4457 if (left < sizeof(struct class64_t)) {
4458 memcpy(&c, r, left);
4459 outs() << " (class_t entends past the end of the section)\n";
4461 memcpy(&c, r, sizeof(struct class64_t));
4462 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
4465 outs() << " isa " << format("0x%" PRIx64, c.isa);
4466 name = get_symbol_64(offset + offsetof(struct class64_t, isa), S, info,
4467 isa_n_value, c.isa);
4468 if (name != nullptr)
4469 outs() << " " << name;
4472 outs() << " superclass " << format("0x%" PRIx64, c.superclass);
4473 name = get_symbol_64(offset + offsetof(struct class64_t, superclass), S, info,
4474 n_value, c.superclass);
4475 if (name != nullptr)
4476 outs() << " " << name;
4479 outs() << " cache " << format("0x%" PRIx64, c.cache);
4480 name = get_symbol_64(offset + offsetof(struct class64_t, cache), S, info,
4482 if (name != nullptr)
4483 outs() << " " << name;
4486 outs() << " vtable " << format("0x%" PRIx64, c.vtable);
4487 name = get_symbol_64(offset + offsetof(struct class64_t, vtable), S, info,
4489 if (name != nullptr)
4490 outs() << " " << name;
4493 name = get_symbol_64(offset + offsetof(struct class64_t, data), S, info,
4497 if (info->verbose && name != nullptr)
4500 outs() << format("0x%" PRIx64, n_value);
4502 outs() << " + " << format("0x%" PRIx64, c.data);
4504 outs() << format("0x%" PRIx64, c.data);
4505 outs() << " (struct class_ro_t *)";
4507 // This is a Swift class if some of the low bits of the pointer are set.
4508 if ((c.data + n_value) & 0x7)
4509 outs() << " Swift class";
4512 if (!print_class_ro64_t((c.data + n_value) & ~0x7, info, is_meta_class))
4515 if (!is_meta_class &&
4516 c.isa + isa_n_value != p &&
4517 c.isa + isa_n_value != 0 &&
4518 info->depth < 100) {
4520 outs() << "Meta Class\n";
4521 print_class64_t(c.isa + isa_n_value, info);
4525 static void print_class32_t(uint32_t p, struct DisassembleInfo *info) {
4528 uint32_t offset, left;
4532 r = get_pointer_32(p, offset, left, S, info);
4535 memset(&c, '\0', sizeof(struct class32_t));
4536 if (left < sizeof(struct class32_t)) {
4537 memcpy(&c, r, left);
4538 outs() << " (class_t entends past the end of the section)\n";
4540 memcpy(&c, r, sizeof(struct class32_t));
4541 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
4544 outs() << " isa " << format("0x%" PRIx32, c.isa);
4546 get_symbol_32(offset + offsetof(struct class32_t, isa), S, info, c.isa);
4547 if (name != nullptr)
4548 outs() << " " << name;
4551 outs() << " superclass " << format("0x%" PRIx32, c.superclass);
4552 name = get_symbol_32(offset + offsetof(struct class32_t, superclass), S, info,
4554 if (name != nullptr)
4555 outs() << " " << name;
4558 outs() << " cache " << format("0x%" PRIx32, c.cache);
4559 name = get_symbol_32(offset + offsetof(struct class32_t, cache), S, info,
4561 if (name != nullptr)
4562 outs() << " " << name;
4565 outs() << " vtable " << format("0x%" PRIx32, c.vtable);
4566 name = get_symbol_32(offset + offsetof(struct class32_t, vtable), S, info,
4568 if (name != nullptr)
4569 outs() << " " << name;
4573 get_symbol_32(offset + offsetof(struct class32_t, data), S, info, c.data);
4574 outs() << " data " << format("0x%" PRIx32, c.data)
4575 << " (struct class_ro_t *)";
4577 // This is a Swift class if some of the low bits of the pointer are set.
4579 outs() << " Swift class";
4582 if (!print_class_ro32_t(c.data & ~0x3, info, is_meta_class))
4585 if (!is_meta_class) {
4586 outs() << "Meta Class\n";
4587 print_class32_t(c.isa, info);
4591 static void print_objc_class_t(struct objc_class_t *objc_class,
4592 struct DisassembleInfo *info) {
4593 uint32_t offset, left, xleft;
4594 const char *name, *p, *ivar_list;
4597 struct objc_ivar_list_t objc_ivar_list;
4598 struct objc_ivar_t ivar;
4600 outs() << "\t\t isa " << format("0x%08" PRIx32, objc_class->isa);
4601 if (info->verbose && CLS_GETINFO(objc_class, CLS_META)) {
4602 name = get_pointer_32(objc_class->isa, offset, left, S, info, true);
4603 if (name != nullptr)
4604 outs() << format(" %.*s", left, name);
4606 outs() << " (not in an __OBJC section)";
4610 outs() << "\t super_class "
4611 << format("0x%08" PRIx32, objc_class->super_class);
4612 if (info->verbose) {
4613 name = get_pointer_32(objc_class->super_class, offset, left, S, info, true);
4614 if (name != nullptr)
4615 outs() << format(" %.*s", left, name);
4617 outs() << " (not in an __OBJC section)";
4621 outs() << "\t\t name " << format("0x%08" PRIx32, objc_class->name);
4622 if (info->verbose) {
4623 name = get_pointer_32(objc_class->name, offset, left, S, info, true);
4624 if (name != nullptr)
4625 outs() << format(" %.*s", left, name);
4627 outs() << " (not in an __OBJC section)";
4631 outs() << "\t\t version " << format("0x%08" PRIx32, objc_class->version)
4634 outs() << "\t\t info " << format("0x%08" PRIx32, objc_class->info);
4635 if (info->verbose) {
4636 if (CLS_GETINFO(objc_class, CLS_CLASS))
4637 outs() << " CLS_CLASS";
4638 else if (CLS_GETINFO(objc_class, CLS_META))
4639 outs() << " CLS_META";
4643 outs() << "\t instance_size "
4644 << format("0x%08" PRIx32, objc_class->instance_size) << "\n";
4646 p = get_pointer_32(objc_class->ivars, offset, left, S, info, true);
4647 outs() << "\t\t ivars " << format("0x%08" PRIx32, objc_class->ivars);
4649 if (left > sizeof(struct objc_ivar_list_t)) {
4651 memcpy(&objc_ivar_list, p, sizeof(struct objc_ivar_list_t));
4653 outs() << " (entends past the end of the section)\n";
4654 memset(&objc_ivar_list, '\0', sizeof(struct objc_ivar_list_t));
4655 memcpy(&objc_ivar_list, p, left);
4657 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
4658 swapStruct(objc_ivar_list);
4659 outs() << "\t\t ivar_count " << objc_ivar_list.ivar_count << "\n";
4660 ivar_list = p + sizeof(struct objc_ivar_list_t);
4661 for (i = 0; i < objc_ivar_list.ivar_count; i++) {
4662 if ((i + 1) * sizeof(struct objc_ivar_t) > left) {
4663 outs() << "\t\t remaining ivar's extend past the of the section\n";
4666 memcpy(&ivar, ivar_list + i * sizeof(struct objc_ivar_t),
4667 sizeof(struct objc_ivar_t));
4668 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
4671 outs() << "\t\t\tivar_name " << format("0x%08" PRIx32, ivar.ivar_name);
4672 if (info->verbose) {
4673 name = get_pointer_32(ivar.ivar_name, offset, xleft, S, info, true);
4674 if (name != nullptr)
4675 outs() << format(" %.*s", xleft, name);
4677 outs() << " (not in an __OBJC section)";
4681 outs() << "\t\t\tivar_type " << format("0x%08" PRIx32, ivar.ivar_type);
4682 if (info->verbose) {
4683 name = get_pointer_32(ivar.ivar_type, offset, xleft, S, info, true);
4684 if (name != nullptr)
4685 outs() << format(" %.*s", xleft, name);
4687 outs() << " (not in an __OBJC section)";
4691 outs() << "\t\t ivar_offset "
4692 << format("0x%08" PRIx32, ivar.ivar_offset) << "\n";
4695 outs() << " (not in an __OBJC section)\n";
4698 outs() << "\t\t methods " << format("0x%08" PRIx32, objc_class->methodLists);
4699 if (print_method_list(objc_class->methodLists, info))
4700 outs() << " (not in an __OBJC section)\n";
4702 outs() << "\t\t cache " << format("0x%08" PRIx32, objc_class->cache)
4705 outs() << "\t\tprotocols " << format("0x%08" PRIx32, objc_class->protocols);
4706 if (print_protocol_list(objc_class->protocols, 16, info))
4707 outs() << " (not in an __OBJC section)\n";
4710 static void print_objc_objc_category_t(struct objc_category_t *objc_category,
4711 struct DisassembleInfo *info) {
4712 uint32_t offset, left;
4716 outs() << "\t category name "
4717 << format("0x%08" PRIx32, objc_category->category_name);
4718 if (info->verbose) {
4719 name = get_pointer_32(objc_category->category_name, offset, left, S, info,
4721 if (name != nullptr)
4722 outs() << format(" %.*s", left, name);
4724 outs() << " (not in an __OBJC section)";
4728 outs() << "\t\t class name "
4729 << format("0x%08" PRIx32, objc_category->class_name);
4730 if (info->verbose) {
4732 get_pointer_32(objc_category->class_name, offset, left, S, info, true);
4733 if (name != nullptr)
4734 outs() << format(" %.*s", left, name);
4736 outs() << " (not in an __OBJC section)";
4740 outs() << "\t instance methods "
4741 << format("0x%08" PRIx32, objc_category->instance_methods);
4742 if (print_method_list(objc_category->instance_methods, info))
4743 outs() << " (not in an __OBJC section)\n";
4745 outs() << "\t class methods "
4746 << format("0x%08" PRIx32, objc_category->class_methods);
4747 if (print_method_list(objc_category->class_methods, info))
4748 outs() << " (not in an __OBJC section)\n";
4751 static void print_category64_t(uint64_t p, struct DisassembleInfo *info) {
4752 struct category64_t c;
4754 uint32_t offset, xoffset, left;
4756 const char *name, *sym_name;
4759 r = get_pointer_64(p, offset, left, S, info);
4762 memset(&c, '\0', sizeof(struct category64_t));
4763 if (left < sizeof(struct category64_t)) {
4764 memcpy(&c, r, left);
4765 outs() << " (category_t entends past the end of the section)\n";
4767 memcpy(&c, r, sizeof(struct category64_t));
4768 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
4772 sym_name = get_symbol_64(offset + offsetof(struct category64_t, name), S,
4773 info, n_value, c.name);
4775 if (info->verbose && sym_name != nullptr)
4778 outs() << format("0x%" PRIx64, n_value);
4780 outs() << " + " << format("0x%" PRIx64, c.name);
4782 outs() << format("0x%" PRIx64, c.name);
4783 name = get_pointer_64(c.name + n_value, xoffset, left, xS, info);
4784 if (name != nullptr)
4785 outs() << format(" %.*s", left, name);
4789 sym_name = get_symbol_64(offset + offsetof(struct category64_t, cls), S, info,
4792 if (info->verbose && sym_name != nullptr)
4795 outs() << format("0x%" PRIx64, n_value);
4797 outs() << " + " << format("0x%" PRIx64, c.cls);
4799 outs() << format("0x%" PRIx64, c.cls);
4801 if (c.cls + n_value != 0)
4802 print_class64_t(c.cls + n_value, info);
4804 outs() << " instanceMethods ";
4806 get_symbol_64(offset + offsetof(struct category64_t, instanceMethods), S,
4807 info, n_value, c.instanceMethods);
4809 if (info->verbose && sym_name != nullptr)
4812 outs() << format("0x%" PRIx64, n_value);
4813 if (c.instanceMethods != 0)
4814 outs() << " + " << format("0x%" PRIx64, c.instanceMethods);
4816 outs() << format("0x%" PRIx64, c.instanceMethods);
4818 if (c.instanceMethods + n_value != 0)
4819 print_method_list64_t(c.instanceMethods + n_value, info, "");
4821 outs() << " classMethods ";
4822 sym_name = get_symbol_64(offset + offsetof(struct category64_t, classMethods),
4823 S, info, n_value, c.classMethods);
4825 if (info->verbose && sym_name != nullptr)
4828 outs() << format("0x%" PRIx64, n_value);
4829 if (c.classMethods != 0)
4830 outs() << " + " << format("0x%" PRIx64, c.classMethods);
4832 outs() << format("0x%" PRIx64, c.classMethods);
4834 if (c.classMethods + n_value != 0)
4835 print_method_list64_t(c.classMethods + n_value, info, "");
4837 outs() << " protocols ";
4838 sym_name = get_symbol_64(offset + offsetof(struct category64_t, protocols), S,
4839 info, n_value, c.protocols);
4841 if (info->verbose && sym_name != nullptr)
4844 outs() << format("0x%" PRIx64, n_value);
4845 if (c.protocols != 0)
4846 outs() << " + " << format("0x%" PRIx64, c.protocols);
4848 outs() << format("0x%" PRIx64, c.protocols);
4850 if (c.protocols + n_value != 0)
4851 print_protocol_list64_t(c.protocols + n_value, info);
4853 outs() << "instanceProperties ";
4855 get_symbol_64(offset + offsetof(struct category64_t, instanceProperties),
4856 S, info, n_value, c.instanceProperties);
4858 if (info->verbose && sym_name != nullptr)
4861 outs() << format("0x%" PRIx64, n_value);
4862 if (c.instanceProperties != 0)
4863 outs() << " + " << format("0x%" PRIx64, c.instanceProperties);
4865 outs() << format("0x%" PRIx64, c.instanceProperties);
4867 if (c.instanceProperties + n_value != 0)
4868 print_objc_property_list64(c.instanceProperties + n_value, info);
4871 static void print_category32_t(uint32_t p, struct DisassembleInfo *info) {
4872 struct category32_t c;
4874 uint32_t offset, left;
4878 r = get_pointer_32(p, offset, left, S, info);
4881 memset(&c, '\0', sizeof(struct category32_t));
4882 if (left < sizeof(struct category32_t)) {
4883 memcpy(&c, r, left);
4884 outs() << " (category_t entends past the end of the section)\n";
4886 memcpy(&c, r, sizeof(struct category32_t));
4887 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
4890 outs() << " name " << format("0x%" PRIx32, c.name);
4891 name = get_symbol_32(offset + offsetof(struct category32_t, name), S, info,
4894 outs() << " " << name;
4897 outs() << " cls " << format("0x%" PRIx32, c.cls) << "\n";
4899 print_class32_t(c.cls, info);
4900 outs() << " instanceMethods " << format("0x%" PRIx32, c.instanceMethods)
4902 if (c.instanceMethods != 0)
4903 print_method_list32_t(c.instanceMethods, info, "");
4904 outs() << " classMethods " << format("0x%" PRIx32, c.classMethods)
4906 if (c.classMethods != 0)
4907 print_method_list32_t(c.classMethods, info, "");
4908 outs() << " protocols " << format("0x%" PRIx32, c.protocols) << "\n";
4909 if (c.protocols != 0)
4910 print_protocol_list32_t(c.protocols, info);
4911 outs() << "instanceProperties " << format("0x%" PRIx32, c.instanceProperties)
4913 if (c.instanceProperties != 0)
4914 print_objc_property_list32(c.instanceProperties, info);
4917 static void print_message_refs64(SectionRef S, struct DisassembleInfo *info) {
4918 uint32_t i, left, offset, xoffset;
4919 uint64_t p, n_value;
4920 struct message_ref64 mr;
4921 const char *name, *sym_name;
4925 if (S == SectionRef())
4929 S.getName(SectName);
4930 DataRefImpl Ref = S.getRawDataRefImpl();
4931 StringRef SegName = info->O->getSectionFinalSegmentName(Ref);
4932 outs() << "Contents of (" << SegName << "," << SectName << ") section\n";
4934 for (i = 0; i < S.getSize(); i += sizeof(struct message_ref64)) {
4935 p = S.getAddress() + i;
4936 r = get_pointer_64(p, offset, left, S, info);
4939 memset(&mr, '\0', sizeof(struct message_ref64));
4940 if (left < sizeof(struct message_ref64)) {
4941 memcpy(&mr, r, left);
4942 outs() << " (message_ref entends past the end of the section)\n";
4944 memcpy(&mr, r, sizeof(struct message_ref64));
4945 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
4949 name = get_symbol_64(offset + offsetof(struct message_ref64, imp), S, info,
4952 outs() << format("0x%" PRIx64, n_value) << " ";
4954 outs() << "+ " << format("0x%" PRIx64, mr.imp) << " ";
4956 outs() << format("0x%" PRIx64, mr.imp) << " ";
4957 if (name != nullptr)
4958 outs() << " " << name;
4962 sym_name = get_symbol_64(offset + offsetof(struct message_ref64, sel), S,
4963 info, n_value, mr.sel);
4965 if (info->verbose && sym_name != nullptr)
4968 outs() << format("0x%" PRIx64, n_value);
4970 outs() << " + " << format("0x%" PRIx64, mr.sel);
4972 outs() << format("0x%" PRIx64, mr.sel);
4973 name = get_pointer_64(mr.sel + n_value, xoffset, left, xS, info);
4974 if (name != nullptr)
4975 outs() << format(" %.*s", left, name);
4978 offset += sizeof(struct message_ref64);
4982 static void print_message_refs32(SectionRef S, struct DisassembleInfo *info) {
4983 uint32_t i, left, offset, xoffset, p;
4984 struct message_ref32 mr;
4985 const char *name, *r;
4988 if (S == SectionRef())
4992 S.getName(SectName);
4993 DataRefImpl Ref = S.getRawDataRefImpl();
4994 StringRef SegName = info->O->getSectionFinalSegmentName(Ref);
4995 outs() << "Contents of (" << SegName << "," << SectName << ") section\n";
4997 for (i = 0; i < S.getSize(); i += sizeof(struct message_ref64)) {
4998 p = S.getAddress() + i;
4999 r = get_pointer_32(p, offset, left, S, info);
5002 memset(&mr, '\0', sizeof(struct message_ref32));
5003 if (left < sizeof(struct message_ref32)) {
5004 memcpy(&mr, r, left);
5005 outs() << " (message_ref entends past the end of the section)\n";
5007 memcpy(&mr, r, sizeof(struct message_ref32));
5008 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
5011 outs() << " imp " << format("0x%" PRIx32, mr.imp);
5012 name = get_symbol_32(offset + offsetof(struct message_ref32, imp), S, info,
5014 if (name != nullptr)
5015 outs() << " " << name;
5018 outs() << " sel " << format("0x%" PRIx32, mr.sel);
5019 name = get_pointer_32(mr.sel, xoffset, left, xS, info);
5020 if (name != nullptr)
5021 outs() << " " << name;
5024 offset += sizeof(struct message_ref32);
5028 static void print_image_info64(SectionRef S, struct DisassembleInfo *info) {
5029 uint32_t left, offset, swift_version;
5031 struct objc_image_info64 o;
5034 if (S == SectionRef())
5038 S.getName(SectName);
5039 DataRefImpl Ref = S.getRawDataRefImpl();
5040 StringRef SegName = info->O->getSectionFinalSegmentName(Ref);
5041 outs() << "Contents of (" << SegName << "," << SectName << ") section\n";
5043 r = get_pointer_64(p, offset, left, S, info);
5046 memset(&o, '\0', sizeof(struct objc_image_info64));
5047 if (left < sizeof(struct objc_image_info64)) {
5048 memcpy(&o, r, left);
5049 outs() << " (objc_image_info entends past the end of the section)\n";
5051 memcpy(&o, r, sizeof(struct objc_image_info64));
5052 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
5054 outs() << " version " << o.version << "\n";
5055 outs() << " flags " << format("0x%" PRIx32, o.flags);
5056 if (o.flags & OBJC_IMAGE_IS_REPLACEMENT)
5057 outs() << " OBJC_IMAGE_IS_REPLACEMENT";
5058 if (o.flags & OBJC_IMAGE_SUPPORTS_GC)
5059 outs() << " OBJC_IMAGE_SUPPORTS_GC";
5060 swift_version = (o.flags >> 8) & 0xff;
5061 if (swift_version != 0) {
5062 if (swift_version == 1)
5063 outs() << " Swift 1.0";
5064 else if (swift_version == 2)
5065 outs() << " Swift 1.1";
5067 outs() << " unknown future Swift version (" << swift_version << ")";
5072 static void print_image_info32(SectionRef S, struct DisassembleInfo *info) {
5073 uint32_t left, offset, swift_version, p;
5074 struct objc_image_info32 o;
5078 S.getName(SectName);
5079 DataRefImpl Ref = S.getRawDataRefImpl();
5080 StringRef SegName = info->O->getSectionFinalSegmentName(Ref);
5081 outs() << "Contents of (" << SegName << "," << SectName << ") section\n";
5083 r = get_pointer_32(p, offset, left, S, info);
5086 memset(&o, '\0', sizeof(struct objc_image_info32));
5087 if (left < sizeof(struct objc_image_info32)) {
5088 memcpy(&o, r, left);
5089 outs() << " (objc_image_info entends past the end of the section)\n";
5091 memcpy(&o, r, sizeof(struct objc_image_info32));
5092 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
5094 outs() << " version " << o.version << "\n";
5095 outs() << " flags " << format("0x%" PRIx32, o.flags);
5096 if (o.flags & OBJC_IMAGE_IS_REPLACEMENT)
5097 outs() << " OBJC_IMAGE_IS_REPLACEMENT";
5098 if (o.flags & OBJC_IMAGE_SUPPORTS_GC)
5099 outs() << " OBJC_IMAGE_SUPPORTS_GC";
5100 swift_version = (o.flags >> 8) & 0xff;
5101 if (swift_version != 0) {
5102 if (swift_version == 1)
5103 outs() << " Swift 1.0";
5104 else if (swift_version == 2)
5105 outs() << " Swift 1.1";
5107 outs() << " unknown future Swift version (" << swift_version << ")";
5112 static void print_image_info(SectionRef S, struct DisassembleInfo *info) {
5113 uint32_t left, offset, p;
5114 struct imageInfo_t o;
5118 S.getName(SectName);
5119 DataRefImpl Ref = S.getRawDataRefImpl();
5120 StringRef SegName = info->O->getSectionFinalSegmentName(Ref);
5121 outs() << "Contents of (" << SegName << "," << SectName << ") section\n";
5123 r = get_pointer_32(p, offset, left, S, info);
5126 memset(&o, '\0', sizeof(struct imageInfo_t));
5127 if (left < sizeof(struct imageInfo_t)) {
5128 memcpy(&o, r, left);
5129 outs() << " (imageInfo entends past the end of the section)\n";
5131 memcpy(&o, r, sizeof(struct imageInfo_t));
5132 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
5134 outs() << " version " << o.version << "\n";
5135 outs() << " flags " << format("0x%" PRIx32, o.flags);
5141 outs() << " GC-only";
5147 static void printObjc2_64bit_MetaData(MachOObjectFile *O, bool verbose) {
5148 SymbolAddressMap AddrMap;
5150 CreateSymbolAddressMap(O, &AddrMap);
5152 std::vector<SectionRef> Sections;
5153 for (const SectionRef &Section : O->sections()) {
5155 Section.getName(SectName);
5156 Sections.push_back(Section);
5159 struct DisassembleInfo info;
5160 // Set up the block of info used by the Symbolizer call backs.
5161 info.verbose = verbose;
5163 info.AddrMap = &AddrMap;
5164 info.Sections = &Sections;
5165 info.class_name = nullptr;
5166 info.selector_name = nullptr;
5167 info.method = nullptr;
5168 info.demangled_name = nullptr;
5169 info.bindtable = nullptr;
5174 const SectionRef CL = get_section(O, "__OBJC2", "__class_list");
5175 if (CL != SectionRef()) {
5177 walk_pointer_list_64("class", CL, O, &info, print_class64_t);
5179 const SectionRef CL = get_section(O, "__DATA", "__objc_classlist");
5181 walk_pointer_list_64("class", CL, O, &info, print_class64_t);
5184 const SectionRef CR = get_section(O, "__OBJC2", "__class_refs");
5185 if (CR != SectionRef()) {
5187 walk_pointer_list_64("class refs", CR, O, &info, nullptr);
5189 const SectionRef CR = get_section(O, "__DATA", "__objc_classrefs");
5191 walk_pointer_list_64("class refs", CR, O, &info, nullptr);
5194 const SectionRef SR = get_section(O, "__OBJC2", "__super_refs");
5195 if (SR != SectionRef()) {
5197 walk_pointer_list_64("super refs", SR, O, &info, nullptr);
5199 const SectionRef SR = get_section(O, "__DATA", "__objc_superrefs");
5201 walk_pointer_list_64("super refs", SR, O, &info, nullptr);
5204 const SectionRef CA = get_section(O, "__OBJC2", "__category_list");
5205 if (CA != SectionRef()) {
5207 walk_pointer_list_64("category", CA, O, &info, print_category64_t);
5209 const SectionRef CA = get_section(O, "__DATA", "__objc_catlist");
5211 walk_pointer_list_64("category", CA, O, &info, print_category64_t);
5214 const SectionRef PL = get_section(O, "__OBJC2", "__protocol_list");
5215 if (PL != SectionRef()) {
5217 walk_pointer_list_64("protocol", PL, O, &info, nullptr);
5219 const SectionRef PL = get_section(O, "__DATA", "__objc_protolist");
5221 walk_pointer_list_64("protocol", PL, O, &info, nullptr);
5224 const SectionRef MR = get_section(O, "__OBJC2", "__message_refs");
5225 if (MR != SectionRef()) {
5227 print_message_refs64(MR, &info);
5229 const SectionRef MR = get_section(O, "__DATA", "__objc_msgrefs");
5231 print_message_refs64(MR, &info);
5234 const SectionRef II = get_section(O, "__OBJC2", "__image_info");
5235 if (II != SectionRef()) {
5237 print_image_info64(II, &info);
5239 const SectionRef II = get_section(O, "__DATA", "__objc_imageinfo");
5241 print_image_info64(II, &info);
5244 if (info.bindtable != nullptr)
5245 delete info.bindtable;
5248 static void printObjc2_32bit_MetaData(MachOObjectFile *O, bool verbose) {
5249 SymbolAddressMap AddrMap;
5251 CreateSymbolAddressMap(O, &AddrMap);
5253 std::vector<SectionRef> Sections;
5254 for (const SectionRef &Section : O->sections()) {
5256 Section.getName(SectName);
5257 Sections.push_back(Section);
5260 struct DisassembleInfo info;
5261 // Set up the block of info used by the Symbolizer call backs.
5262 info.verbose = verbose;
5264 info.AddrMap = &AddrMap;
5265 info.Sections = &Sections;
5266 info.class_name = nullptr;
5267 info.selector_name = nullptr;
5268 info.method = nullptr;
5269 info.demangled_name = nullptr;
5270 info.bindtable = nullptr;
5274 const SectionRef CL = get_section(O, "__OBJC2", "__class_list");
5275 if (CL != SectionRef()) {
5277 walk_pointer_list_32("class", CL, O, &info, print_class32_t);
5279 const SectionRef CL = get_section(O, "__DATA", "__objc_classlist");
5281 walk_pointer_list_32("class", CL, O, &info, print_class32_t);
5284 const SectionRef CR = get_section(O, "__OBJC2", "__class_refs");
5285 if (CR != SectionRef()) {
5287 walk_pointer_list_32("class refs", CR, O, &info, nullptr);
5289 const SectionRef CR = get_section(O, "__DATA", "__objc_classrefs");
5291 walk_pointer_list_32("class refs", CR, O, &info, nullptr);
5294 const SectionRef SR = get_section(O, "__OBJC2", "__super_refs");
5295 if (SR != SectionRef()) {
5297 walk_pointer_list_32("super refs", SR, O, &info, nullptr);
5299 const SectionRef SR = get_section(O, "__DATA", "__objc_superrefs");
5301 walk_pointer_list_32("super refs", SR, O, &info, nullptr);
5304 const SectionRef CA = get_section(O, "__OBJC2", "__category_list");
5305 if (CA != SectionRef()) {
5307 walk_pointer_list_32("category", CA, O, &info, print_category32_t);
5309 const SectionRef CA = get_section(O, "__DATA", "__objc_catlist");
5311 walk_pointer_list_32("category", CA, O, &info, print_category32_t);
5314 const SectionRef PL = get_section(O, "__OBJC2", "__protocol_list");
5315 if (PL != SectionRef()) {
5317 walk_pointer_list_32("protocol", PL, O, &info, nullptr);
5319 const SectionRef PL = get_section(O, "__DATA", "__objc_protolist");
5321 walk_pointer_list_32("protocol", PL, O, &info, nullptr);
5324 const SectionRef MR = get_section(O, "__OBJC2", "__message_refs");
5325 if (MR != SectionRef()) {
5327 print_message_refs32(MR, &info);
5329 const SectionRef MR = get_section(O, "__DATA", "__objc_msgrefs");
5331 print_message_refs32(MR, &info);
5334 const SectionRef II = get_section(O, "__OBJC2", "__image_info");
5335 if (II != SectionRef()) {
5337 print_image_info32(II, &info);
5339 const SectionRef II = get_section(O, "__DATA", "__objc_imageinfo");
5341 print_image_info32(II, &info);
5345 static bool printObjc1_32bit_MetaData(MachOObjectFile *O, bool verbose) {
5346 uint32_t i, j, p, offset, xoffset, left, defs_left, def;
5347 const char *r, *name, *defs;
5348 struct objc_module_t module;
5350 struct objc_symtab_t symtab;
5351 struct objc_class_t objc_class;
5352 struct objc_category_t objc_category;
5354 outs() << "Objective-C segment\n";
5355 S = get_section(O, "__OBJC", "__module_info");
5356 if (S == SectionRef())
5359 SymbolAddressMap AddrMap;
5361 CreateSymbolAddressMap(O, &AddrMap);
5363 std::vector<SectionRef> Sections;
5364 for (const SectionRef &Section : O->sections()) {
5366 Section.getName(SectName);
5367 Sections.push_back(Section);
5370 struct DisassembleInfo info;
5371 // Set up the block of info used by the Symbolizer call backs.
5372 info.verbose = verbose;
5374 info.AddrMap = &AddrMap;
5375 info.Sections = &Sections;
5376 info.class_name = nullptr;
5377 info.selector_name = nullptr;
5378 info.method = nullptr;
5379 info.demangled_name = nullptr;
5380 info.bindtable = nullptr;
5384 for (i = 0; i < S.getSize(); i += sizeof(struct objc_module_t)) {
5385 p = S.getAddress() + i;
5386 r = get_pointer_32(p, offset, left, S, &info, true);
5389 memset(&module, '\0', sizeof(struct objc_module_t));
5390 if (left < sizeof(struct objc_module_t)) {
5391 memcpy(&module, r, left);
5392 outs() << " (module extends past end of __module_info section)\n";
5394 memcpy(&module, r, sizeof(struct objc_module_t));
5395 if (O->isLittleEndian() != sys::IsLittleEndianHost)
5398 outs() << "Module " << format("0x%" PRIx32, p) << "\n";
5399 outs() << " version " << module.version << "\n";
5400 outs() << " size " << module.size << "\n";
5402 name = get_pointer_32(module.name, xoffset, left, xS, &info, true);
5403 if (name != nullptr)
5404 outs() << format("%.*s", left, name);
5406 outs() << format("0x%08" PRIx32, module.name)
5407 << "(not in an __OBJC section)";
5410 r = get_pointer_32(module.symtab, xoffset, left, xS, &info, true);
5411 if (module.symtab == 0 || r == nullptr) {
5412 outs() << " symtab " << format("0x%08" PRIx32, module.symtab)
5413 << " (not in an __OBJC section)\n";
5416 outs() << " symtab " << format("0x%08" PRIx32, module.symtab) << "\n";
5417 memset(&symtab, '\0', sizeof(struct objc_symtab_t));
5420 if (left < sizeof(struct objc_symtab_t)) {
5421 memcpy(&symtab, r, left);
5422 outs() << "\tsymtab extends past end of an __OBJC section)\n";
5424 memcpy(&symtab, r, sizeof(struct objc_symtab_t));
5425 if (left > sizeof(struct objc_symtab_t)) {
5426 defs_left = left - sizeof(struct objc_symtab_t);
5427 defs = r + sizeof(struct objc_symtab_t);
5430 if (O->isLittleEndian() != sys::IsLittleEndianHost)
5433 outs() << "\tsel_ref_cnt " << symtab.sel_ref_cnt << "\n";
5434 r = get_pointer_32(symtab.refs, xoffset, left, xS, &info, true);
5435 outs() << "\trefs " << format("0x%08" PRIx32, symtab.refs);
5437 outs() << " (not in an __OBJC section)";
5439 outs() << "\tcls_def_cnt " << symtab.cls_def_cnt << "\n";
5440 outs() << "\tcat_def_cnt " << symtab.cat_def_cnt << "\n";
5441 if (symtab.cls_def_cnt > 0)
5442 outs() << "\tClass Definitions\n";
5443 for (j = 0; j < symtab.cls_def_cnt; j++) {
5444 if ((j + 1) * sizeof(uint32_t) > defs_left) {
5445 outs() << "\t(remaining class defs entries entends past the end of the "
5449 memcpy(&def, defs + j * sizeof(uint32_t), sizeof(uint32_t));
5450 if (O->isLittleEndian() != sys::IsLittleEndianHost)
5451 sys::swapByteOrder(def);
5453 r = get_pointer_32(def, xoffset, left, xS, &info, true);
5454 outs() << "\tdefs[" << j << "] " << format("0x%08" PRIx32, def);
5456 if (left > sizeof(struct objc_class_t)) {
5458 memcpy(&objc_class, r, sizeof(struct objc_class_t));
5460 outs() << " (entends past the end of the section)\n";
5461 memset(&objc_class, '\0', sizeof(struct objc_class_t));
5462 memcpy(&objc_class, r, left);
5464 if (O->isLittleEndian() != sys::IsLittleEndianHost)
5465 swapStruct(objc_class);
5466 print_objc_class_t(&objc_class, &info);
5468 outs() << "(not in an __OBJC section)\n";
5471 if (CLS_GETINFO(&objc_class, CLS_CLASS)) {
5472 outs() << "\tMeta Class";
5473 r = get_pointer_32(objc_class.isa, xoffset, left, xS, &info, true);
5475 if (left > sizeof(struct objc_class_t)) {
5477 memcpy(&objc_class, r, sizeof(struct objc_class_t));
5479 outs() << " (entends past the end of the section)\n";
5480 memset(&objc_class, '\0', sizeof(struct objc_class_t));
5481 memcpy(&objc_class, r, left);
5483 if (O->isLittleEndian() != sys::IsLittleEndianHost)
5484 swapStruct(objc_class);
5485 print_objc_class_t(&objc_class, &info);
5487 outs() << "(not in an __OBJC section)\n";
5491 if (symtab.cat_def_cnt > 0)
5492 outs() << "\tCategory Definitions\n";
5493 for (j = 0; j < symtab.cat_def_cnt; j++) {
5494 if ((j + symtab.cls_def_cnt + 1) * sizeof(uint32_t) > defs_left) {
5495 outs() << "\t(remaining category defs entries entends past the end of "
5496 << "the section)\n";
5499 memcpy(&def, defs + (j + symtab.cls_def_cnt) * sizeof(uint32_t),
5501 if (O->isLittleEndian() != sys::IsLittleEndianHost)
5502 sys::swapByteOrder(def);
5504 r = get_pointer_32(def, xoffset, left, xS, &info, true);
5505 outs() << "\tdefs[" << j + symtab.cls_def_cnt << "] "
5506 << format("0x%08" PRIx32, def);
5508 if (left > sizeof(struct objc_category_t)) {
5510 memcpy(&objc_category, r, sizeof(struct objc_category_t));
5512 outs() << " (entends past the end of the section)\n";
5513 memset(&objc_category, '\0', sizeof(struct objc_category_t));
5514 memcpy(&objc_category, r, left);
5516 if (O->isLittleEndian() != sys::IsLittleEndianHost)
5517 swapStruct(objc_category);
5518 print_objc_objc_category_t(&objc_category, &info);
5520 outs() << "(not in an __OBJC section)\n";
5524 const SectionRef II = get_section(O, "__OBJC", "__image_info");
5525 if (II != SectionRef())
5526 print_image_info(II, &info);
5531 static void DumpProtocolSection(MachOObjectFile *O, const char *sect,
5532 uint32_t size, uint32_t addr) {
5533 SymbolAddressMap AddrMap;
5534 CreateSymbolAddressMap(O, &AddrMap);
5536 std::vector<SectionRef> Sections;
5537 for (const SectionRef &Section : O->sections()) {
5539 Section.getName(SectName);
5540 Sections.push_back(Section);
5543 struct DisassembleInfo info;
5544 // Set up the block of info used by the Symbolizer call backs.
5545 info.verbose = true;
5547 info.AddrMap = &AddrMap;
5548 info.Sections = &Sections;
5549 info.class_name = nullptr;
5550 info.selector_name = nullptr;
5551 info.method = nullptr;
5552 info.demangled_name = nullptr;
5553 info.bindtable = nullptr;
5558 struct objc_protocol_t protocol;
5559 uint32_t left, paddr;
5560 for (p = sect; p < sect + size; p += sizeof(struct objc_protocol_t)) {
5561 memset(&protocol, '\0', sizeof(struct objc_protocol_t));
5562 left = size - (p - sect);
5563 if (left < sizeof(struct objc_protocol_t)) {
5564 outs() << "Protocol extends past end of __protocol section\n";
5565 memcpy(&protocol, p, left);
5567 memcpy(&protocol, p, sizeof(struct objc_protocol_t));
5568 if (O->isLittleEndian() != sys::IsLittleEndianHost)
5569 swapStruct(protocol);
5570 paddr = addr + (p - sect);
5571 outs() << "Protocol " << format("0x%" PRIx32, paddr);
5572 if (print_protocol(paddr, 0, &info))
5573 outs() << "(not in an __OBJC section)\n";
5577 static void printObjcMetaData(MachOObjectFile *O, bool verbose) {
5579 printObjc2_64bit_MetaData(O, verbose);
5581 MachO::mach_header H;
5583 if (H.cputype == MachO::CPU_TYPE_ARM)
5584 printObjc2_32bit_MetaData(O, verbose);
5586 // This is the 32-bit non-arm cputype case. Which is normally
5587 // the first Objective-C ABI. But it may be the case of a
5588 // binary for the iOS simulator which is the second Objective-C
5589 // ABI. In that case printObjc1_32bit_MetaData() will determine that
5590 // and return false.
5591 if (!printObjc1_32bit_MetaData(O, verbose))
5592 printObjc2_32bit_MetaData(O, verbose);
5597 // GuessLiteralPointer returns a string which for the item in the Mach-O file
5598 // for the address passed in as ReferenceValue for printing as a comment with
5599 // the instruction and also returns the corresponding type of that item
5600 // indirectly through ReferenceType.
5602 // If ReferenceValue is an address of literal cstring then a pointer to the
5603 // cstring is returned and ReferenceType is set to
5604 // LLVMDisassembler_ReferenceType_Out_LitPool_CstrAddr .
5606 // If ReferenceValue is an address of an Objective-C CFString, Selector ref or
5607 // Class ref that name is returned and the ReferenceType is set accordingly.
5609 // Lastly, literals which are Symbol address in a literal pool are looked for
5610 // and if found the symbol name is returned and ReferenceType is set to
5611 // LLVMDisassembler_ReferenceType_Out_LitPool_SymAddr .
5613 // If there is no item in the Mach-O file for the address passed in as
5614 // ReferenceValue nullptr is returned and ReferenceType is unchanged.
5615 static const char *GuessLiteralPointer(uint64_t ReferenceValue,
5616 uint64_t ReferencePC,
5617 uint64_t *ReferenceType,
5618 struct DisassembleInfo *info) {
5619 // First see if there is an external relocation entry at the ReferencePC.
5620 if (info->O->getHeader().filetype == MachO::MH_OBJECT) {
5621 uint64_t sect_addr = info->S.getAddress();
5622 uint64_t sect_offset = ReferencePC - sect_addr;
5623 bool reloc_found = false;
5625 MachO::any_relocation_info RE;
5626 bool isExtern = false;
5628 for (const RelocationRef &Reloc : info->S.relocations()) {
5629 uint64_t RelocOffset = Reloc.getOffset();
5630 if (RelocOffset == sect_offset) {
5631 Rel = Reloc.getRawDataRefImpl();
5632 RE = info->O->getRelocation(Rel);
5633 if (info->O->isRelocationScattered(RE))
5635 isExtern = info->O->getPlainRelocationExternal(RE);
5637 symbol_iterator RelocSym = Reloc.getSymbol();
5644 // If there is an external relocation entry for a symbol in a section
5645 // then used that symbol's value for the value of the reference.
5646 if (reloc_found && isExtern) {
5647 if (info->O->getAnyRelocationPCRel(RE)) {
5648 unsigned Type = info->O->getAnyRelocationType(RE);
5649 if (Type == MachO::X86_64_RELOC_SIGNED) {
5650 ReferenceValue = Symbol.getValue();
5656 // Look for literals such as Objective-C CFStrings refs, Selector refs,
5657 // Message refs and Class refs.
5658 bool classref, selref, msgref, cfstring;
5659 uint64_t pointer_value = GuessPointerPointer(ReferenceValue, info, classref,
5660 selref, msgref, cfstring);
5661 if (classref && pointer_value == 0) {
5662 // Note the ReferenceValue is a pointer into the __objc_classrefs section.
5663 // And the pointer_value in that section is typically zero as it will be
5664 // set by dyld as part of the "bind information".
5665 const char *name = get_dyld_bind_info_symbolname(ReferenceValue, info);
5666 if (name != nullptr) {
5667 *ReferenceType = LLVMDisassembler_ReferenceType_Out_Objc_Class_Ref;
5668 const char *class_name = strrchr(name, '$');
5669 if (class_name != nullptr && class_name[1] == '_' &&
5670 class_name[2] != '\0') {
5671 info->class_name = class_name + 2;
5678 *ReferenceType = LLVMDisassembler_ReferenceType_Out_Objc_Class_Ref;
5680 get_objc2_64bit_class_name(pointer_value, ReferenceValue, info);
5681 if (name != nullptr)
5682 info->class_name = name;
5684 name = "bad class ref";
5689 *ReferenceType = LLVMDisassembler_ReferenceType_Out_Objc_CFString_Ref;
5690 const char *name = get_objc2_64bit_cfstring_name(ReferenceValue, info);
5694 if (selref && pointer_value == 0)
5695 pointer_value = get_objc2_64bit_selref(ReferenceValue, info);
5697 if (pointer_value != 0)
5698 ReferenceValue = pointer_value;
5700 const char *name = GuessCstringPointer(ReferenceValue, info);
5702 if (pointer_value != 0 && selref) {
5703 *ReferenceType = LLVMDisassembler_ReferenceType_Out_Objc_Selector_Ref;
5704 info->selector_name = name;
5705 } else if (pointer_value != 0 && msgref) {
5706 info->class_name = nullptr;
5707 *ReferenceType = LLVMDisassembler_ReferenceType_Out_Objc_Message_Ref;
5708 info->selector_name = name;
5710 *ReferenceType = LLVMDisassembler_ReferenceType_Out_LitPool_CstrAddr;
5714 // Lastly look for an indirect symbol with this ReferenceValue which is in
5715 // a literal pool. If found return that symbol name.
5716 name = GuessIndirectSymbol(ReferenceValue, info);
5718 *ReferenceType = LLVMDisassembler_ReferenceType_Out_LitPool_SymAddr;
5725 // SymbolizerSymbolLookUp is the symbol lookup function passed when creating
5726 // the Symbolizer. It looks up the ReferenceValue using the info passed via the
5727 // pointer to the struct DisassembleInfo that was passed when MCSymbolizer
5728 // is created and returns the symbol name that matches the ReferenceValue or
5729 // nullptr if none. The ReferenceType is passed in for the IN type of
5730 // reference the instruction is making from the values in defined in the header
5731 // "llvm-c/Disassembler.h". On return the ReferenceType can set to a specific
5732 // Out type and the ReferenceName will also be set which is added as a comment
5733 // to the disassembled instruction.
5736 // If the symbol name is a C++ mangled name then the demangled name is
5737 // returned through ReferenceName and ReferenceType is set to
5738 // LLVMDisassembler_ReferenceType_DeMangled_Name .
5741 // When this is called to get a symbol name for a branch target then the
5742 // ReferenceType will be LLVMDisassembler_ReferenceType_In_Branch and then
5743 // SymbolValue will be looked for in the indirect symbol table to determine if
5744 // it is an address for a symbol stub. If so then the symbol name for that
5745 // stub is returned indirectly through ReferenceName and then ReferenceType is
5746 // set to LLVMDisassembler_ReferenceType_Out_SymbolStub.
5748 // When this is called with an value loaded via a PC relative load then
5749 // ReferenceType will be LLVMDisassembler_ReferenceType_In_PCrel_Load then the
5750 // SymbolValue is checked to be an address of literal pointer, symbol pointer,
5751 // or an Objective-C meta data reference. If so the output ReferenceType is
5752 // set to correspond to that as well as setting the ReferenceName.
5753 static const char *SymbolizerSymbolLookUp(void *DisInfo,
5754 uint64_t ReferenceValue,
5755 uint64_t *ReferenceType,
5756 uint64_t ReferencePC,
5757 const char **ReferenceName) {
5758 struct DisassembleInfo *info = (struct DisassembleInfo *)DisInfo;
5759 // If no verbose symbolic information is wanted then just return nullptr.
5760 if (!info->verbose) {
5761 *ReferenceName = nullptr;
5762 *ReferenceType = LLVMDisassembler_ReferenceType_InOut_None;
5766 const char *SymbolName = GuessSymbolName(ReferenceValue, info->AddrMap);
5768 if (*ReferenceType == LLVMDisassembler_ReferenceType_In_Branch) {
5769 *ReferenceName = GuessIndirectSymbol(ReferenceValue, info);
5770 if (*ReferenceName != nullptr) {
5771 method_reference(info, ReferenceType, ReferenceName);
5772 if (*ReferenceType != LLVMDisassembler_ReferenceType_Out_Objc_Message)
5773 *ReferenceType = LLVMDisassembler_ReferenceType_Out_SymbolStub;
5776 if (SymbolName != nullptr && strncmp(SymbolName, "__Z", 3) == 0) {
5777 if (info->demangled_name != nullptr)
5778 free(info->demangled_name);
5780 info->demangled_name =
5781 abi::__cxa_demangle(SymbolName + 1, nullptr, nullptr, &status);
5782 if (info->demangled_name != nullptr) {
5783 *ReferenceName = info->demangled_name;
5784 *ReferenceType = LLVMDisassembler_ReferenceType_DeMangled_Name;
5786 *ReferenceType = LLVMDisassembler_ReferenceType_InOut_None;
5789 *ReferenceType = LLVMDisassembler_ReferenceType_InOut_None;
5790 } else if (*ReferenceType == LLVMDisassembler_ReferenceType_In_PCrel_Load) {
5792 GuessLiteralPointer(ReferenceValue, ReferencePC, ReferenceType, info);
5794 method_reference(info, ReferenceType, ReferenceName);
5796 *ReferenceType = LLVMDisassembler_ReferenceType_InOut_None;
5797 // If this is arm64 and the reference is an adrp instruction save the
5798 // instruction, passed in ReferenceValue and the address of the instruction
5799 // for use later if we see and add immediate instruction.
5800 } else if (info->O->getArch() == Triple::aarch64 &&
5801 *ReferenceType == LLVMDisassembler_ReferenceType_In_ARM64_ADRP) {
5802 info->adrp_inst = ReferenceValue;
5803 info->adrp_addr = ReferencePC;
5804 SymbolName = nullptr;
5805 *ReferenceName = nullptr;
5806 *ReferenceType = LLVMDisassembler_ReferenceType_InOut_None;
5807 // If this is arm64 and reference is an add immediate instruction and we
5809 // seen an adrp instruction just before it and the adrp's Xd register
5811 // this add's Xn register reconstruct the value being referenced and look to
5812 // see if it is a literal pointer. Note the add immediate instruction is
5813 // passed in ReferenceValue.
5814 } else if (info->O->getArch() == Triple::aarch64 &&
5815 *ReferenceType == LLVMDisassembler_ReferenceType_In_ARM64_ADDXri &&
5816 ReferencePC - 4 == info->adrp_addr &&
5817 (info->adrp_inst & 0x9f000000) == 0x90000000 &&
5818 (info->adrp_inst & 0x1f) == ((ReferenceValue >> 5) & 0x1f)) {
5819 uint32_t addxri_inst;
5820 uint64_t adrp_imm, addxri_imm;
5823 ((info->adrp_inst & 0x00ffffe0) >> 3) | ((info->adrp_inst >> 29) & 0x3);
5824 if (info->adrp_inst & 0x0200000)
5825 adrp_imm |= 0xfffffffffc000000LL;
5827 addxri_inst = ReferenceValue;
5828 addxri_imm = (addxri_inst >> 10) & 0xfff;
5829 if (((addxri_inst >> 22) & 0x3) == 1)
5832 ReferenceValue = (info->adrp_addr & 0xfffffffffffff000LL) +
5833 (adrp_imm << 12) + addxri_imm;
5836 GuessLiteralPointer(ReferenceValue, ReferencePC, ReferenceType, info);
5837 if (*ReferenceName == nullptr)
5838 *ReferenceType = LLVMDisassembler_ReferenceType_InOut_None;
5839 // If this is arm64 and the reference is a load register instruction and we
5840 // have seen an adrp instruction just before it and the adrp's Xd register
5841 // matches this add's Xn register reconstruct the value being referenced and
5842 // look to see if it is a literal pointer. Note the load register
5843 // instruction is passed in ReferenceValue.
5844 } else if (info->O->getArch() == Triple::aarch64 &&
5845 *ReferenceType == LLVMDisassembler_ReferenceType_In_ARM64_LDRXui &&
5846 ReferencePC - 4 == info->adrp_addr &&
5847 (info->adrp_inst & 0x9f000000) == 0x90000000 &&
5848 (info->adrp_inst & 0x1f) == ((ReferenceValue >> 5) & 0x1f)) {
5849 uint32_t ldrxui_inst;
5850 uint64_t adrp_imm, ldrxui_imm;
5853 ((info->adrp_inst & 0x00ffffe0) >> 3) | ((info->adrp_inst >> 29) & 0x3);
5854 if (info->adrp_inst & 0x0200000)
5855 adrp_imm |= 0xfffffffffc000000LL;
5857 ldrxui_inst = ReferenceValue;
5858 ldrxui_imm = (ldrxui_inst >> 10) & 0xfff;
5860 ReferenceValue = (info->adrp_addr & 0xfffffffffffff000LL) +
5861 (adrp_imm << 12) + (ldrxui_imm << 3);
5864 GuessLiteralPointer(ReferenceValue, ReferencePC, ReferenceType, info);
5865 if (*ReferenceName == nullptr)
5866 *ReferenceType = LLVMDisassembler_ReferenceType_InOut_None;
5868 // If this arm64 and is an load register (PC-relative) instruction the
5869 // ReferenceValue is the PC plus the immediate value.
5870 else if (info->O->getArch() == Triple::aarch64 &&
5871 (*ReferenceType == LLVMDisassembler_ReferenceType_In_ARM64_LDRXl ||
5872 *ReferenceType == LLVMDisassembler_ReferenceType_In_ARM64_ADR)) {
5874 GuessLiteralPointer(ReferenceValue, ReferencePC, ReferenceType, info);
5875 if (*ReferenceName == nullptr)
5876 *ReferenceType = LLVMDisassembler_ReferenceType_InOut_None;
5879 else if (SymbolName != nullptr && strncmp(SymbolName, "__Z", 3) == 0) {
5880 if (info->demangled_name != nullptr)
5881 free(info->demangled_name);
5883 info->demangled_name =
5884 abi::__cxa_demangle(SymbolName + 1, nullptr, nullptr, &status);
5885 if (info->demangled_name != nullptr) {
5886 *ReferenceName = info->demangled_name;
5887 *ReferenceType = LLVMDisassembler_ReferenceType_DeMangled_Name;
5892 *ReferenceName = nullptr;
5893 *ReferenceType = LLVMDisassembler_ReferenceType_InOut_None;
5899 /// \brief Emits the comments that are stored in the CommentStream.
5900 /// Each comment in the CommentStream must end with a newline.
5901 static void emitComments(raw_svector_ostream &CommentStream,
5902 SmallString<128> &CommentsToEmit,
5903 formatted_raw_ostream &FormattedOS,
5904 const MCAsmInfo &MAI) {
5905 // Flush the stream before taking its content.
5906 StringRef Comments = CommentsToEmit.str();
5907 // Get the default information for printing a comment.
5908 const char *CommentBegin = MAI.getCommentString();
5909 unsigned CommentColumn = MAI.getCommentColumn();
5910 bool IsFirst = true;
5911 while (!Comments.empty()) {
5913 FormattedOS << '\n';
5914 // Emit a line of comments.
5915 FormattedOS.PadToColumn(CommentColumn);
5916 size_t Position = Comments.find('\n');
5917 FormattedOS << CommentBegin << ' ' << Comments.substr(0, Position);
5918 // Move after the newline character.
5919 Comments = Comments.substr(Position + 1);
5922 FormattedOS.flush();
5924 // Tell the comment stream that the vector changed underneath it.
5925 CommentsToEmit.clear();
5928 static void DisassembleMachO(StringRef Filename, MachOObjectFile *MachOOF,
5929 StringRef DisSegName, StringRef DisSectName) {
5930 const char *McpuDefault = nullptr;
5931 const Target *ThumbTarget = nullptr;
5932 const Target *TheTarget = GetTarget(MachOOF, &McpuDefault, &ThumbTarget);
5934 // GetTarget prints out stuff.
5937 if (MCPU.empty() && McpuDefault)
5940 std::unique_ptr<const MCInstrInfo> InstrInfo(TheTarget->createMCInstrInfo());
5941 std::unique_ptr<const MCInstrInfo> ThumbInstrInfo;
5943 ThumbInstrInfo.reset(ThumbTarget->createMCInstrInfo());
5945 // Package up features to be passed to target/subtarget
5946 std::string FeaturesStr;
5947 if (MAttrs.size()) {
5948 SubtargetFeatures Features;
5949 for (unsigned i = 0; i != MAttrs.size(); ++i)
5950 Features.AddFeature(MAttrs[i]);
5951 FeaturesStr = Features.getString();
5954 // Set up disassembler.
5955 std::unique_ptr<const MCRegisterInfo> MRI(
5956 TheTarget->createMCRegInfo(TripleName));
5957 std::unique_ptr<const MCAsmInfo> AsmInfo(
5958 TheTarget->createMCAsmInfo(*MRI, TripleName));
5959 std::unique_ptr<const MCSubtargetInfo> STI(
5960 TheTarget->createMCSubtargetInfo(TripleName, MCPU, FeaturesStr));
5961 MCContext Ctx(AsmInfo.get(), MRI.get(), nullptr);
5962 std::unique_ptr<MCDisassembler> DisAsm(
5963 TheTarget->createMCDisassembler(*STI, Ctx));
5964 std::unique_ptr<MCSymbolizer> Symbolizer;
5965 struct DisassembleInfo SymbolizerInfo;
5966 std::unique_ptr<MCRelocationInfo> RelInfo(
5967 TheTarget->createMCRelocationInfo(TripleName, Ctx));
5969 Symbolizer.reset(TheTarget->createMCSymbolizer(
5970 TripleName, SymbolizerGetOpInfo, SymbolizerSymbolLookUp,
5971 &SymbolizerInfo, &Ctx, std::move(RelInfo)));
5972 DisAsm->setSymbolizer(std::move(Symbolizer));
5974 int AsmPrinterVariant = AsmInfo->getAssemblerDialect();
5975 std::unique_ptr<MCInstPrinter> IP(TheTarget->createMCInstPrinter(
5976 Triple(TripleName), AsmPrinterVariant, *AsmInfo, *InstrInfo, *MRI));
5977 // Set the display preference for hex vs. decimal immediates.
5978 IP->setPrintImmHex(PrintImmHex);
5979 // Comment stream and backing vector.
5980 SmallString<128> CommentsToEmit;
5981 raw_svector_ostream CommentStream(CommentsToEmit);
5982 // FIXME: Setting the CommentStream in the InstPrinter is problematic in that
5983 // if it is done then arm64 comments for string literals don't get printed
5984 // and some constant get printed instead and not setting it causes intel
5985 // (32-bit and 64-bit) comments printed with different spacing before the
5986 // comment causing different diffs with the 'C' disassembler library API.
5987 // IP->setCommentStream(CommentStream);
5989 if (!AsmInfo || !STI || !DisAsm || !IP) {
5990 errs() << "error: couldn't initialize disassembler for target "
5991 << TripleName << '\n';
5995 // Set up thumb disassembler.
5996 std::unique_ptr<const MCRegisterInfo> ThumbMRI;
5997 std::unique_ptr<const MCAsmInfo> ThumbAsmInfo;
5998 std::unique_ptr<const MCSubtargetInfo> ThumbSTI;
5999 std::unique_ptr<MCDisassembler> ThumbDisAsm;
6000 std::unique_ptr<MCInstPrinter> ThumbIP;
6001 std::unique_ptr<MCContext> ThumbCtx;
6002 std::unique_ptr<MCSymbolizer> ThumbSymbolizer;
6003 struct DisassembleInfo ThumbSymbolizerInfo;
6004 std::unique_ptr<MCRelocationInfo> ThumbRelInfo;
6006 ThumbMRI.reset(ThumbTarget->createMCRegInfo(ThumbTripleName));
6008 ThumbTarget->createMCAsmInfo(*ThumbMRI, ThumbTripleName));
6010 ThumbTarget->createMCSubtargetInfo(ThumbTripleName, MCPU, FeaturesStr));
6011 ThumbCtx.reset(new MCContext(ThumbAsmInfo.get(), ThumbMRI.get(), nullptr));
6012 ThumbDisAsm.reset(ThumbTarget->createMCDisassembler(*ThumbSTI, *ThumbCtx));
6013 MCContext *PtrThumbCtx = ThumbCtx.get();
6015 ThumbTarget->createMCRelocationInfo(ThumbTripleName, *PtrThumbCtx));
6017 ThumbSymbolizer.reset(ThumbTarget->createMCSymbolizer(
6018 ThumbTripleName, SymbolizerGetOpInfo, SymbolizerSymbolLookUp,
6019 &ThumbSymbolizerInfo, PtrThumbCtx, std::move(ThumbRelInfo)));
6020 ThumbDisAsm->setSymbolizer(std::move(ThumbSymbolizer));
6022 int ThumbAsmPrinterVariant = ThumbAsmInfo->getAssemblerDialect();
6023 ThumbIP.reset(ThumbTarget->createMCInstPrinter(
6024 Triple(ThumbTripleName), ThumbAsmPrinterVariant, *ThumbAsmInfo,
6025 *ThumbInstrInfo, *ThumbMRI));
6026 // Set the display preference for hex vs. decimal immediates.
6027 ThumbIP->setPrintImmHex(PrintImmHex);
6030 if (ThumbTarget && (!ThumbAsmInfo || !ThumbSTI || !ThumbDisAsm || !ThumbIP)) {
6031 errs() << "error: couldn't initialize disassembler for target "
6032 << ThumbTripleName << '\n';
6036 MachO::mach_header Header = MachOOF->getHeader();
6038 // FIXME: Using the -cfg command line option, this code used to be able to
6039 // annotate relocations with the referenced symbol's name, and if this was
6040 // inside a __[cf]string section, the data it points to. This is now replaced
6041 // by the upcoming MCSymbolizer, which needs the appropriate setup done above.
6042 std::vector<SectionRef> Sections;
6043 std::vector<SymbolRef> Symbols;
6044 SmallVector<uint64_t, 8> FoundFns;
6045 uint64_t BaseSegmentAddress;
6047 getSectionsAndSymbols(MachOOF, Sections, Symbols, FoundFns,
6048 BaseSegmentAddress);
6050 // Sort the symbols by address, just in case they didn't come in that way.
6051 std::sort(Symbols.begin(), Symbols.end(), SymbolSorter());
6053 // Build a data in code table that is sorted on by the address of each entry.
6054 uint64_t BaseAddress = 0;
6055 if (Header.filetype == MachO::MH_OBJECT)
6056 BaseAddress = Sections[0].getAddress();
6058 BaseAddress = BaseSegmentAddress;
6060 for (dice_iterator DI = MachOOF->begin_dices(), DE = MachOOF->end_dices();
6063 DI->getOffset(Offset);
6064 Dices.push_back(std::make_pair(BaseAddress + Offset, *DI));
6066 array_pod_sort(Dices.begin(), Dices.end());
6069 raw_ostream &DebugOut = DebugFlag ? dbgs() : nulls();
6071 raw_ostream &DebugOut = nulls();
6074 std::unique_ptr<DIContext> diContext;
6075 ObjectFile *DbgObj = MachOOF;
6076 // Try to find debug info and set up the DIContext for it.
6078 // A separate DSym file path was specified, parse it as a macho file,
6079 // get the sections and supply it to the section name parsing machinery.
6080 if (!DSYMFile.empty()) {
6081 ErrorOr<std::unique_ptr<MemoryBuffer>> BufOrErr =
6082 MemoryBuffer::getFileOrSTDIN(DSYMFile);
6083 if (std::error_code EC = BufOrErr.getError()) {
6084 errs() << "llvm-objdump: " << Filename << ": " << EC.message() << '\n';
6088 ObjectFile::createMachOObjectFile(BufOrErr.get()->getMemBufferRef())
6093 // Setup the DIContext
6094 diContext.reset(new DWARFContextInMemory(*DbgObj));
6097 if (FilterSections.size() == 0)
6098 outs() << "(" << DisSegName << "," << DisSectName << ") section\n";
6100 for (unsigned SectIdx = 0; SectIdx != Sections.size(); SectIdx++) {
6102 if (Sections[SectIdx].getName(SectName) || SectName != DisSectName)
6105 DataRefImpl DR = Sections[SectIdx].getRawDataRefImpl();
6107 StringRef SegmentName = MachOOF->getSectionFinalSegmentName(DR);
6108 if (SegmentName != DisSegName)
6112 Sections[SectIdx].getContents(BytesStr);
6113 ArrayRef<uint8_t> Bytes(reinterpret_cast<const uint8_t *>(BytesStr.data()),
6115 uint64_t SectAddress = Sections[SectIdx].getAddress();
6117 bool symbolTableWorked = false;
6119 // Create a map of symbol addresses to symbol names for use by
6120 // the SymbolizerSymbolLookUp() routine.
6121 SymbolAddressMap AddrMap;
6122 bool DisSymNameFound = false;
6123 for (const SymbolRef &Symbol : MachOOF->symbols()) {
6124 SymbolRef::Type ST = Symbol.getType();
6125 if (ST == SymbolRef::ST_Function || ST == SymbolRef::ST_Data ||
6126 ST == SymbolRef::ST_Other) {
6127 uint64_t Address = Symbol.getValue();
6128 ErrorOr<StringRef> SymNameOrErr = Symbol.getName();
6129 if (std::error_code EC = SymNameOrErr.getError())
6130 report_fatal_error(EC.message());
6131 StringRef SymName = *SymNameOrErr;
6132 AddrMap[Address] = SymName;
6133 if (!DisSymName.empty() && DisSymName == SymName)
6134 DisSymNameFound = true;
6137 if (!DisSymName.empty() && !DisSymNameFound) {
6138 outs() << "Can't find -dis-symname: " << DisSymName << "\n";
6141 // Set up the block of info used by the Symbolizer call backs.
6142 SymbolizerInfo.verbose = !NoSymbolicOperands;
6143 SymbolizerInfo.O = MachOOF;
6144 SymbolizerInfo.S = Sections[SectIdx];
6145 SymbolizerInfo.AddrMap = &AddrMap;
6146 SymbolizerInfo.Sections = &Sections;
6147 SymbolizerInfo.class_name = nullptr;
6148 SymbolizerInfo.selector_name = nullptr;
6149 SymbolizerInfo.method = nullptr;
6150 SymbolizerInfo.demangled_name = nullptr;
6151 SymbolizerInfo.bindtable = nullptr;
6152 SymbolizerInfo.adrp_addr = 0;
6153 SymbolizerInfo.adrp_inst = 0;
6154 // Same for the ThumbSymbolizer
6155 ThumbSymbolizerInfo.verbose = !NoSymbolicOperands;
6156 ThumbSymbolizerInfo.O = MachOOF;
6157 ThumbSymbolizerInfo.S = Sections[SectIdx];
6158 ThumbSymbolizerInfo.AddrMap = &AddrMap;
6159 ThumbSymbolizerInfo.Sections = &Sections;
6160 ThumbSymbolizerInfo.class_name = nullptr;
6161 ThumbSymbolizerInfo.selector_name = nullptr;
6162 ThumbSymbolizerInfo.method = nullptr;
6163 ThumbSymbolizerInfo.demangled_name = nullptr;
6164 ThumbSymbolizerInfo.bindtable = nullptr;
6165 ThumbSymbolizerInfo.adrp_addr = 0;
6166 ThumbSymbolizerInfo.adrp_inst = 0;
6168 // Disassemble symbol by symbol.
6169 for (unsigned SymIdx = 0; SymIdx != Symbols.size(); SymIdx++) {
6170 ErrorOr<StringRef> SymNameOrErr = Symbols[SymIdx].getName();
6171 if (std::error_code EC = SymNameOrErr.getError())
6172 report_fatal_error(EC.message());
6173 StringRef SymName = *SymNameOrErr;
6175 SymbolRef::Type ST = Symbols[SymIdx].getType();
6176 if (ST != SymbolRef::ST_Function && ST != SymbolRef::ST_Data)
6179 // Make sure the symbol is defined in this section.
6180 bool containsSym = Sections[SectIdx].containsSymbol(Symbols[SymIdx]);
6184 // If we are only disassembling one symbol see if this is that symbol.
6185 if (!DisSymName.empty() && DisSymName != SymName)
6188 // Start at the address of the symbol relative to the section's address.
6189 uint64_t Start = Symbols[SymIdx].getValue();
6190 uint64_t SectionAddress = Sections[SectIdx].getAddress();
6191 Start -= SectionAddress;
6193 // Stop disassembling either at the beginning of the next symbol or at
6194 // the end of the section.
6195 bool containsNextSym = false;
6196 uint64_t NextSym = 0;
6197 uint64_t NextSymIdx = SymIdx + 1;
6198 while (Symbols.size() > NextSymIdx) {
6199 SymbolRef::Type NextSymType = Symbols[NextSymIdx].getType();
6200 if (NextSymType == SymbolRef::ST_Function) {
6202 Sections[SectIdx].containsSymbol(Symbols[NextSymIdx]);
6203 NextSym = Symbols[NextSymIdx].getValue();
6204 NextSym -= SectionAddress;
6210 uint64_t SectSize = Sections[SectIdx].getSize();
6211 uint64_t End = containsNextSym ? NextSym : SectSize;
6214 symbolTableWorked = true;
6216 DataRefImpl Symb = Symbols[SymIdx].getRawDataRefImpl();
6218 (MachOOF->getSymbolFlags(Symb) & SymbolRef::SF_Thumb) && ThumbTarget;
6220 outs() << SymName << ":\n";
6221 DILineInfo lastLine;
6222 for (uint64_t Index = Start; Index < End; Index += Size) {
6225 uint64_t PC = SectAddress + Index;
6226 if (!NoLeadingAddr) {
6227 if (FullLeadingAddr) {
6228 if (MachOOF->is64Bit())
6229 outs() << format("%016" PRIx64, PC);
6231 outs() << format("%08" PRIx64, PC);
6233 outs() << format("%8" PRIx64 ":", PC);
6239 // Check the data in code table here to see if this is data not an
6240 // instruction to be disassembled.
6242 Dice.push_back(std::make_pair(PC, DiceRef()));
6243 dice_table_iterator DTI =
6244 std::search(Dices.begin(), Dices.end(), Dice.begin(), Dice.end(),
6245 compareDiceTableEntries);
6246 if (DTI != Dices.end()) {
6248 DTI->second.getLength(Length);
6250 DTI->second.getKind(Kind);
6251 Size = DumpDataInCode(Bytes.data() + Index, Length, Kind);
6252 if ((Kind == MachO::DICE_KIND_JUMP_TABLE8) &&
6253 (PC == (DTI->first + Length - 1)) && (Length & 1))
6258 SmallVector<char, 64> AnnotationsBytes;
6259 raw_svector_ostream Annotations(AnnotationsBytes);
6263 gotInst = ThumbDisAsm->getInstruction(Inst, Size, Bytes.slice(Index),
6264 PC, DebugOut, Annotations);
6266 gotInst = DisAsm->getInstruction(Inst, Size, Bytes.slice(Index), PC,
6267 DebugOut, Annotations);
6269 if (!NoShowRawInsn) {
6270 dumpBytes(makeArrayRef(Bytes.data() + Index, Size), outs());
6272 formatted_raw_ostream FormattedOS(outs());
6273 StringRef AnnotationsStr = Annotations.str();
6275 ThumbIP->printInst(&Inst, FormattedOS, AnnotationsStr, *ThumbSTI);
6277 IP->printInst(&Inst, FormattedOS, AnnotationsStr, *STI);
6278 emitComments(CommentStream, CommentsToEmit, FormattedOS, *AsmInfo);
6280 // Print debug info.
6282 DILineInfo dli = diContext->getLineInfoForAddress(PC);
6283 // Print valid line info if it changed.
6284 if (dli != lastLine && dli.Line != 0)
6285 outs() << "\t## " << dli.FileName << ':' << dli.Line << ':'
6291 unsigned int Arch = MachOOF->getArch();
6292 if (Arch == Triple::x86_64 || Arch == Triple::x86) {
6293 outs() << format("\t.byte 0x%02x #bad opcode\n",
6294 *(Bytes.data() + Index) & 0xff);
6295 Size = 1; // skip exactly one illegible byte and move on.
6296 } else if (Arch == Triple::aarch64) {
6297 uint32_t opcode = (*(Bytes.data() + Index) & 0xff) |
6298 (*(Bytes.data() + Index + 1) & 0xff) << 8 |
6299 (*(Bytes.data() + Index + 2) & 0xff) << 16 |
6300 (*(Bytes.data() + Index + 3) & 0xff) << 24;
6301 outs() << format("\t.long\t0x%08x\n", opcode);
6304 errs() << "llvm-objdump: warning: invalid instruction encoding\n";
6306 Size = 1; // skip illegible bytes
6311 if (!symbolTableWorked) {
6312 // Reading the symbol table didn't work, disassemble the whole section.
6313 uint64_t SectAddress = Sections[SectIdx].getAddress();
6314 uint64_t SectSize = Sections[SectIdx].getSize();
6316 for (uint64_t Index = 0; Index < SectSize; Index += InstSize) {
6319 uint64_t PC = SectAddress + Index;
6320 if (DisAsm->getInstruction(Inst, InstSize, Bytes.slice(Index), PC,
6321 DebugOut, nulls())) {
6322 if (!NoLeadingAddr) {
6323 if (FullLeadingAddr) {
6324 if (MachOOF->is64Bit())
6325 outs() << format("%016" PRIx64, PC);
6327 outs() << format("%08" PRIx64, PC);
6329 outs() << format("%8" PRIx64 ":", PC);
6332 if (!NoShowRawInsn) {
6334 dumpBytes(makeArrayRef(Bytes.data() + Index, InstSize), outs());
6336 IP->printInst(&Inst, outs(), "", *STI);
6339 unsigned int Arch = MachOOF->getArch();
6340 if (Arch == Triple::x86_64 || Arch == Triple::x86) {
6341 outs() << format("\t.byte 0x%02x #bad opcode\n",
6342 *(Bytes.data() + Index) & 0xff);
6343 InstSize = 1; // skip exactly one illegible byte and move on.
6345 errs() << "llvm-objdump: warning: invalid instruction encoding\n";
6347 InstSize = 1; // skip illegible bytes
6352 // The TripleName's need to be reset if we are called again for a different
6355 ThumbTripleName = "";
6357 if (SymbolizerInfo.method != nullptr)
6358 free(SymbolizerInfo.method);
6359 if (SymbolizerInfo.demangled_name != nullptr)
6360 free(SymbolizerInfo.demangled_name);
6361 if (SymbolizerInfo.bindtable != nullptr)
6362 delete SymbolizerInfo.bindtable;
6363 if (ThumbSymbolizerInfo.method != nullptr)
6364 free(ThumbSymbolizerInfo.method);
6365 if (ThumbSymbolizerInfo.demangled_name != nullptr)
6366 free(ThumbSymbolizerInfo.demangled_name);
6367 if (ThumbSymbolizerInfo.bindtable != nullptr)
6368 delete ThumbSymbolizerInfo.bindtable;
6372 //===----------------------------------------------------------------------===//
6373 // __compact_unwind section dumping
6374 //===----------------------------------------------------------------------===//
6378 template <typename T> static uint64_t readNext(const char *&Buf) {
6379 using llvm::support::little;
6380 using llvm::support::unaligned;
6382 uint64_t Val = support::endian::read<T, little, unaligned>(Buf);
6387 struct CompactUnwindEntry {
6388 uint32_t OffsetInSection;
6390 uint64_t FunctionAddr;
6392 uint32_t CompactEncoding;
6393 uint64_t PersonalityAddr;
6396 RelocationRef FunctionReloc;
6397 RelocationRef PersonalityReloc;
6398 RelocationRef LSDAReloc;
6400 CompactUnwindEntry(StringRef Contents, unsigned Offset, bool Is64)
6401 : OffsetInSection(Offset) {
6403 read<uint64_t>(Contents.data() + Offset);
6405 read<uint32_t>(Contents.data() + Offset);
6409 template <typename UIntPtr> void read(const char *Buf) {
6410 FunctionAddr = readNext<UIntPtr>(Buf);
6411 Length = readNext<uint32_t>(Buf);
6412 CompactEncoding = readNext<uint32_t>(Buf);
6413 PersonalityAddr = readNext<UIntPtr>(Buf);
6414 LSDAAddr = readNext<UIntPtr>(Buf);
6419 /// Given a relocation from __compact_unwind, consisting of the RelocationRef
6420 /// and data being relocated, determine the best base Name and Addend to use for
6421 /// display purposes.
6423 /// 1. An Extern relocation will directly reference a symbol (and the data is
6424 /// then already an addend), so use that.
6425 /// 2. Otherwise the data is an offset in the object file's layout; try to find
6426 // a symbol before it in the same section, and use the offset from there.
6427 /// 3. Finally, if all that fails, fall back to an offset from the start of the
6428 /// referenced section.
6429 static void findUnwindRelocNameAddend(const MachOObjectFile *Obj,
6430 std::map<uint64_t, SymbolRef> &Symbols,
6431 const RelocationRef &Reloc, uint64_t Addr,
6432 StringRef &Name, uint64_t &Addend) {
6433 if (Reloc.getSymbol() != Obj->symbol_end()) {
6434 ErrorOr<StringRef> NameOrErr = Reloc.getSymbol()->getName();
6435 if (std::error_code EC = NameOrErr.getError())
6436 report_fatal_error(EC.message());
6442 auto RE = Obj->getRelocation(Reloc.getRawDataRefImpl());
6443 SectionRef RelocSection = Obj->getAnyRelocationSection(RE);
6445 uint64_t SectionAddr = RelocSection.getAddress();
6447 auto Sym = Symbols.upper_bound(Addr);
6448 if (Sym == Symbols.begin()) {
6449 // The first symbol in the object is after this reference, the best we can
6450 // do is section-relative notation.
6451 RelocSection.getName(Name);
6452 Addend = Addr - SectionAddr;
6456 // Go back one so that SymbolAddress <= Addr.
6459 section_iterator SymSection = *Sym->second.getSection();
6460 if (RelocSection == *SymSection) {
6461 // There's a valid symbol in the same section before this reference.
6462 ErrorOr<StringRef> NameOrErr = Sym->second.getName();
6463 if (std::error_code EC = NameOrErr.getError())
6464 report_fatal_error(EC.message());
6466 Addend = Addr - Sym->first;
6470 // There is a symbol before this reference, but it's in a different
6471 // section. Probably not helpful to mention it, so use the section name.
6472 RelocSection.getName(Name);
6473 Addend = Addr - SectionAddr;
6476 static void printUnwindRelocDest(const MachOObjectFile *Obj,
6477 std::map<uint64_t, SymbolRef> &Symbols,
6478 const RelocationRef &Reloc, uint64_t Addr) {
6482 if (!Reloc.getObject())
6485 findUnwindRelocNameAddend(Obj, Symbols, Reloc, Addr, Name, Addend);
6489 outs() << " + " << format("0x%" PRIx64, Addend);
6493 printMachOCompactUnwindSection(const MachOObjectFile *Obj,
6494 std::map<uint64_t, SymbolRef> &Symbols,
6495 const SectionRef &CompactUnwind) {
6497 assert(Obj->isLittleEndian() &&
6498 "There should not be a big-endian .o with __compact_unwind");
6500 bool Is64 = Obj->is64Bit();
6501 uint32_t PointerSize = Is64 ? sizeof(uint64_t) : sizeof(uint32_t);
6502 uint32_t EntrySize = 3 * PointerSize + 2 * sizeof(uint32_t);
6505 CompactUnwind.getContents(Contents);
6507 SmallVector<CompactUnwindEntry, 4> CompactUnwinds;
6509 // First populate the initial raw offsets, encodings and so on from the entry.
6510 for (unsigned Offset = 0; Offset < Contents.size(); Offset += EntrySize) {
6511 CompactUnwindEntry Entry(Contents.data(), Offset, Is64);
6512 CompactUnwinds.push_back(Entry);
6515 // Next we need to look at the relocations to find out what objects are
6516 // actually being referred to.
6517 for (const RelocationRef &Reloc : CompactUnwind.relocations()) {
6518 uint64_t RelocAddress = Reloc.getOffset();
6520 uint32_t EntryIdx = RelocAddress / EntrySize;
6521 uint32_t OffsetInEntry = RelocAddress - EntryIdx * EntrySize;
6522 CompactUnwindEntry &Entry = CompactUnwinds[EntryIdx];
6524 if (OffsetInEntry == 0)
6525 Entry.FunctionReloc = Reloc;
6526 else if (OffsetInEntry == PointerSize + 2 * sizeof(uint32_t))
6527 Entry.PersonalityReloc = Reloc;
6528 else if (OffsetInEntry == 2 * PointerSize + 2 * sizeof(uint32_t))
6529 Entry.LSDAReloc = Reloc;
6531 llvm_unreachable("Unexpected relocation in __compact_unwind section");
6534 // Finally, we're ready to print the data we've gathered.
6535 outs() << "Contents of __compact_unwind section:\n";
6536 for (auto &Entry : CompactUnwinds) {
6537 outs() << " Entry at offset "
6538 << format("0x%" PRIx32, Entry.OffsetInSection) << ":\n";
6540 // 1. Start of the region this entry applies to.
6541 outs() << " start: " << format("0x%" PRIx64,
6542 Entry.FunctionAddr) << ' ';
6543 printUnwindRelocDest(Obj, Symbols, Entry.FunctionReloc, Entry.FunctionAddr);
6546 // 2. Length of the region this entry applies to.
6547 outs() << " length: " << format("0x%" PRIx32, Entry.Length)
6549 // 3. The 32-bit compact encoding.
6550 outs() << " compact encoding: "
6551 << format("0x%08" PRIx32, Entry.CompactEncoding) << '\n';
6553 // 4. The personality function, if present.
6554 if (Entry.PersonalityReloc.getObject()) {
6555 outs() << " personality function: "
6556 << format("0x%" PRIx64, Entry.PersonalityAddr) << ' ';
6557 printUnwindRelocDest(Obj, Symbols, Entry.PersonalityReloc,
6558 Entry.PersonalityAddr);
6562 // 5. This entry's language-specific data area.
6563 if (Entry.LSDAReloc.getObject()) {
6564 outs() << " LSDA: " << format("0x%" PRIx64,
6565 Entry.LSDAAddr) << ' ';
6566 printUnwindRelocDest(Obj, Symbols, Entry.LSDAReloc, Entry.LSDAAddr);
6572 //===----------------------------------------------------------------------===//
6573 // __unwind_info section dumping
6574 //===----------------------------------------------------------------------===//
6576 static void printRegularSecondLevelUnwindPage(const char *PageStart) {
6577 const char *Pos = PageStart;
6578 uint32_t Kind = readNext<uint32_t>(Pos);
6580 assert(Kind == 2 && "kind for a regular 2nd level index should be 2");
6582 uint16_t EntriesStart = readNext<uint16_t>(Pos);
6583 uint16_t NumEntries = readNext<uint16_t>(Pos);
6585 Pos = PageStart + EntriesStart;
6586 for (unsigned i = 0; i < NumEntries; ++i) {
6587 uint32_t FunctionOffset = readNext<uint32_t>(Pos);
6588 uint32_t Encoding = readNext<uint32_t>(Pos);
6590 outs() << " [" << i << "]: "
6591 << "function offset=" << format("0x%08" PRIx32, FunctionOffset)
6593 << "encoding=" << format("0x%08" PRIx32, Encoding) << '\n';
6597 static void printCompressedSecondLevelUnwindPage(
6598 const char *PageStart, uint32_t FunctionBase,
6599 const SmallVectorImpl<uint32_t> &CommonEncodings) {
6600 const char *Pos = PageStart;
6601 uint32_t Kind = readNext<uint32_t>(Pos);
6603 assert(Kind == 3 && "kind for a compressed 2nd level index should be 3");
6605 uint16_t EntriesStart = readNext<uint16_t>(Pos);
6606 uint16_t NumEntries = readNext<uint16_t>(Pos);
6608 uint16_t EncodingsStart = readNext<uint16_t>(Pos);
6609 readNext<uint16_t>(Pos);
6610 const auto *PageEncodings = reinterpret_cast<const support::ulittle32_t *>(
6611 PageStart + EncodingsStart);
6613 Pos = PageStart + EntriesStart;
6614 for (unsigned i = 0; i < NumEntries; ++i) {
6615 uint32_t Entry = readNext<uint32_t>(Pos);
6616 uint32_t FunctionOffset = FunctionBase + (Entry & 0xffffff);
6617 uint32_t EncodingIdx = Entry >> 24;
6620 if (EncodingIdx < CommonEncodings.size())
6621 Encoding = CommonEncodings[EncodingIdx];
6623 Encoding = PageEncodings[EncodingIdx - CommonEncodings.size()];
6625 outs() << " [" << i << "]: "
6626 << "function offset=" << format("0x%08" PRIx32, FunctionOffset)
6628 << "encoding[" << EncodingIdx
6629 << "]=" << format("0x%08" PRIx32, Encoding) << '\n';
6633 static void printMachOUnwindInfoSection(const MachOObjectFile *Obj,
6634 std::map<uint64_t, SymbolRef> &Symbols,
6635 const SectionRef &UnwindInfo) {
6637 assert(Obj->isLittleEndian() &&
6638 "There should not be a big-endian .o with __unwind_info");
6640 outs() << "Contents of __unwind_info section:\n";
6643 UnwindInfo.getContents(Contents);
6644 const char *Pos = Contents.data();
6646 //===----------------------------------
6648 //===----------------------------------
6650 uint32_t Version = readNext<uint32_t>(Pos);
6651 outs() << " Version: "
6652 << format("0x%" PRIx32, Version) << '\n';
6653 assert(Version == 1 && "only understand version 1");
6655 uint32_t CommonEncodingsStart = readNext<uint32_t>(Pos);
6656 outs() << " Common encodings array section offset: "
6657 << format("0x%" PRIx32, CommonEncodingsStart) << '\n';
6658 uint32_t NumCommonEncodings = readNext<uint32_t>(Pos);
6659 outs() << " Number of common encodings in array: "
6660 << format("0x%" PRIx32, NumCommonEncodings) << '\n';
6662 uint32_t PersonalitiesStart = readNext<uint32_t>(Pos);
6663 outs() << " Personality function array section offset: "
6664 << format("0x%" PRIx32, PersonalitiesStart) << '\n';
6665 uint32_t NumPersonalities = readNext<uint32_t>(Pos);
6666 outs() << " Number of personality functions in array: "
6667 << format("0x%" PRIx32, NumPersonalities) << '\n';
6669 uint32_t IndicesStart = readNext<uint32_t>(Pos);
6670 outs() << " Index array section offset: "
6671 << format("0x%" PRIx32, IndicesStart) << '\n';
6672 uint32_t NumIndices = readNext<uint32_t>(Pos);
6673 outs() << " Number of indices in array: "
6674 << format("0x%" PRIx32, NumIndices) << '\n';
6676 //===----------------------------------
6677 // A shared list of common encodings
6678 //===----------------------------------
6680 // These occupy indices in the range [0, N] whenever an encoding is referenced
6681 // from a compressed 2nd level index table. In practice the linker only
6682 // creates ~128 of these, so that indices are available to embed encodings in
6683 // the 2nd level index.
6685 SmallVector<uint32_t, 64> CommonEncodings;
6686 outs() << " Common encodings: (count = " << NumCommonEncodings << ")\n";
6687 Pos = Contents.data() + CommonEncodingsStart;
6688 for (unsigned i = 0; i < NumCommonEncodings; ++i) {
6689 uint32_t Encoding = readNext<uint32_t>(Pos);
6690 CommonEncodings.push_back(Encoding);
6692 outs() << " encoding[" << i << "]: " << format("0x%08" PRIx32, Encoding)
6696 //===----------------------------------
6697 // Personality functions used in this executable
6698 //===----------------------------------
6700 // There should be only a handful of these (one per source language,
6701 // roughly). Particularly since they only get 2 bits in the compact encoding.
6703 outs() << " Personality functions: (count = " << NumPersonalities << ")\n";
6704 Pos = Contents.data() + PersonalitiesStart;
6705 for (unsigned i = 0; i < NumPersonalities; ++i) {
6706 uint32_t PersonalityFn = readNext<uint32_t>(Pos);
6707 outs() << " personality[" << i + 1
6708 << "]: " << format("0x%08" PRIx32, PersonalityFn) << '\n';
6711 //===----------------------------------
6712 // The level 1 index entries
6713 //===----------------------------------
6715 // These specify an approximate place to start searching for the more detailed
6716 // information, sorted by PC.
6719 uint32_t FunctionOffset;
6720 uint32_t SecondLevelPageStart;
6724 SmallVector<IndexEntry, 4> IndexEntries;
6726 outs() << " Top level indices: (count = " << NumIndices << ")\n";
6727 Pos = Contents.data() + IndicesStart;
6728 for (unsigned i = 0; i < NumIndices; ++i) {
6731 Entry.FunctionOffset = readNext<uint32_t>(Pos);
6732 Entry.SecondLevelPageStart = readNext<uint32_t>(Pos);
6733 Entry.LSDAStart = readNext<uint32_t>(Pos);
6734 IndexEntries.push_back(Entry);
6736 outs() << " [" << i << "]: "
6737 << "function offset=" << format("0x%08" PRIx32, Entry.FunctionOffset)
6739 << "2nd level page offset="
6740 << format("0x%08" PRIx32, Entry.SecondLevelPageStart) << ", "
6741 << "LSDA offset=" << format("0x%08" PRIx32, Entry.LSDAStart) << '\n';
6744 //===----------------------------------
6745 // Next come the LSDA tables
6746 //===----------------------------------
6748 // The LSDA layout is rather implicit: it's a contiguous array of entries from
6749 // the first top-level index's LSDAOffset to the last (sentinel).
6751 outs() << " LSDA descriptors:\n";
6752 Pos = Contents.data() + IndexEntries[0].LSDAStart;
6753 int NumLSDAs = (IndexEntries.back().LSDAStart - IndexEntries[0].LSDAStart) /
6754 (2 * sizeof(uint32_t));
6755 for (int i = 0; i < NumLSDAs; ++i) {
6756 uint32_t FunctionOffset = readNext<uint32_t>(Pos);
6757 uint32_t LSDAOffset = readNext<uint32_t>(Pos);
6758 outs() << " [" << i << "]: "
6759 << "function offset=" << format("0x%08" PRIx32, FunctionOffset)
6761 << "LSDA offset=" << format("0x%08" PRIx32, LSDAOffset) << '\n';
6764 //===----------------------------------
6765 // Finally, the 2nd level indices
6766 //===----------------------------------
6768 // Generally these are 4K in size, and have 2 possible forms:
6769 // + Regular stores up to 511 entries with disparate encodings
6770 // + Compressed stores up to 1021 entries if few enough compact encoding
6772 outs() << " Second level indices:\n";
6773 for (unsigned i = 0; i < IndexEntries.size() - 1; ++i) {
6774 // The final sentinel top-level index has no associated 2nd level page
6775 if (IndexEntries[i].SecondLevelPageStart == 0)
6778 outs() << " Second level index[" << i << "]: "
6779 << "offset in section="
6780 << format("0x%08" PRIx32, IndexEntries[i].SecondLevelPageStart)
6782 << "base function offset="
6783 << format("0x%08" PRIx32, IndexEntries[i].FunctionOffset) << '\n';
6785 Pos = Contents.data() + IndexEntries[i].SecondLevelPageStart;
6786 uint32_t Kind = *reinterpret_cast<const support::ulittle32_t *>(Pos);
6788 printRegularSecondLevelUnwindPage(Pos);
6790 printCompressedSecondLevelUnwindPage(Pos, IndexEntries[i].FunctionOffset,
6793 llvm_unreachable("Do not know how to print this kind of 2nd level page");
6797 void llvm::printMachOUnwindInfo(const MachOObjectFile *Obj) {
6798 std::map<uint64_t, SymbolRef> Symbols;
6799 for (const SymbolRef &SymRef : Obj->symbols()) {
6800 // Discard any undefined or absolute symbols. They're not going to take part
6801 // in the convenience lookup for unwind info and just take up resources.
6802 section_iterator Section = *SymRef.getSection();
6803 if (Section == Obj->section_end())
6806 uint64_t Addr = SymRef.getValue();
6807 Symbols.insert(std::make_pair(Addr, SymRef));
6810 for (const SectionRef &Section : Obj->sections()) {
6812 Section.getName(SectName);
6813 if (SectName == "__compact_unwind")
6814 printMachOCompactUnwindSection(Obj, Symbols, Section);
6815 else if (SectName == "__unwind_info")
6816 printMachOUnwindInfoSection(Obj, Symbols, Section);
6817 else if (SectName == "__eh_frame")
6818 outs() << "llvm-objdump: warning: unhandled __eh_frame section\n";
6822 static void PrintMachHeader(uint32_t magic, uint32_t cputype,
6823 uint32_t cpusubtype, uint32_t filetype,
6824 uint32_t ncmds, uint32_t sizeofcmds, uint32_t flags,
6826 outs() << "Mach header\n";
6827 outs() << " magic cputype cpusubtype caps filetype ncmds "
6828 "sizeofcmds flags\n";
6830 if (magic == MachO::MH_MAGIC)
6831 outs() << " MH_MAGIC";
6832 else if (magic == MachO::MH_MAGIC_64)
6833 outs() << "MH_MAGIC_64";
6835 outs() << format(" 0x%08" PRIx32, magic);
6837 case MachO::CPU_TYPE_I386:
6839 switch (cpusubtype & ~MachO::CPU_SUBTYPE_MASK) {
6840 case MachO::CPU_SUBTYPE_I386_ALL:
6844 outs() << format(" %10d", cpusubtype & ~MachO::CPU_SUBTYPE_MASK);
6848 case MachO::CPU_TYPE_X86_64:
6849 outs() << " X86_64";
6850 switch (cpusubtype & ~MachO::CPU_SUBTYPE_MASK) {
6851 case MachO::CPU_SUBTYPE_X86_64_ALL:
6854 case MachO::CPU_SUBTYPE_X86_64_H:
6855 outs() << " Haswell";
6858 outs() << format(" %10d", cpusubtype & ~MachO::CPU_SUBTYPE_MASK);
6862 case MachO::CPU_TYPE_ARM:
6864 switch (cpusubtype & ~MachO::CPU_SUBTYPE_MASK) {
6865 case MachO::CPU_SUBTYPE_ARM_ALL:
6868 case MachO::CPU_SUBTYPE_ARM_V4T:
6871 case MachO::CPU_SUBTYPE_ARM_V5TEJ:
6874 case MachO::CPU_SUBTYPE_ARM_XSCALE:
6875 outs() << " XSCALE";
6877 case MachO::CPU_SUBTYPE_ARM_V6:
6880 case MachO::CPU_SUBTYPE_ARM_V6M:
6883 case MachO::CPU_SUBTYPE_ARM_V7:
6886 case MachO::CPU_SUBTYPE_ARM_V7EM:
6889 case MachO::CPU_SUBTYPE_ARM_V7K:
6892 case MachO::CPU_SUBTYPE_ARM_V7M:
6895 case MachO::CPU_SUBTYPE_ARM_V7S:
6899 outs() << format(" %10d", cpusubtype & ~MachO::CPU_SUBTYPE_MASK);
6903 case MachO::CPU_TYPE_ARM64:
6905 switch (cpusubtype & ~MachO::CPU_SUBTYPE_MASK) {
6906 case MachO::CPU_SUBTYPE_ARM64_ALL:
6910 outs() << format(" %10d", cpusubtype & ~MachO::CPU_SUBTYPE_MASK);
6914 case MachO::CPU_TYPE_POWERPC:
6916 switch (cpusubtype & ~MachO::CPU_SUBTYPE_MASK) {
6917 case MachO::CPU_SUBTYPE_POWERPC_ALL:
6921 outs() << format(" %10d", cpusubtype & ~MachO::CPU_SUBTYPE_MASK);
6925 case MachO::CPU_TYPE_POWERPC64:
6927 switch (cpusubtype & ~MachO::CPU_SUBTYPE_MASK) {
6928 case MachO::CPU_SUBTYPE_POWERPC_ALL:
6932 outs() << format(" %10d", cpusubtype & ~MachO::CPU_SUBTYPE_MASK);
6937 if ((cpusubtype & MachO::CPU_SUBTYPE_MASK) == MachO::CPU_SUBTYPE_LIB64) {
6940 outs() << format(" 0x%02" PRIx32,
6941 (cpusubtype & MachO::CPU_SUBTYPE_MASK) >> 24);
6944 case MachO::MH_OBJECT:
6945 outs() << " OBJECT";
6947 case MachO::MH_EXECUTE:
6948 outs() << " EXECUTE";
6950 case MachO::MH_FVMLIB:
6951 outs() << " FVMLIB";
6953 case MachO::MH_CORE:
6956 case MachO::MH_PRELOAD:
6957 outs() << " PRELOAD";
6959 case MachO::MH_DYLIB:
6962 case MachO::MH_DYLIB_STUB:
6963 outs() << " DYLIB_STUB";
6965 case MachO::MH_DYLINKER:
6966 outs() << " DYLINKER";
6968 case MachO::MH_BUNDLE:
6969 outs() << " BUNDLE";
6971 case MachO::MH_DSYM:
6974 case MachO::MH_KEXT_BUNDLE:
6975 outs() << " KEXTBUNDLE";
6978 outs() << format(" %10u", filetype);
6981 outs() << format(" %5u", ncmds);
6982 outs() << format(" %10u", sizeofcmds);
6984 if (f & MachO::MH_NOUNDEFS) {
6985 outs() << " NOUNDEFS";
6986 f &= ~MachO::MH_NOUNDEFS;
6988 if (f & MachO::MH_INCRLINK) {
6989 outs() << " INCRLINK";
6990 f &= ~MachO::MH_INCRLINK;
6992 if (f & MachO::MH_DYLDLINK) {
6993 outs() << " DYLDLINK";
6994 f &= ~MachO::MH_DYLDLINK;
6996 if (f & MachO::MH_BINDATLOAD) {
6997 outs() << " BINDATLOAD";
6998 f &= ~MachO::MH_BINDATLOAD;
7000 if (f & MachO::MH_PREBOUND) {
7001 outs() << " PREBOUND";
7002 f &= ~MachO::MH_PREBOUND;
7004 if (f & MachO::MH_SPLIT_SEGS) {
7005 outs() << " SPLIT_SEGS";
7006 f &= ~MachO::MH_SPLIT_SEGS;
7008 if (f & MachO::MH_LAZY_INIT) {
7009 outs() << " LAZY_INIT";
7010 f &= ~MachO::MH_LAZY_INIT;
7012 if (f & MachO::MH_TWOLEVEL) {
7013 outs() << " TWOLEVEL";
7014 f &= ~MachO::MH_TWOLEVEL;
7016 if (f & MachO::MH_FORCE_FLAT) {
7017 outs() << " FORCE_FLAT";
7018 f &= ~MachO::MH_FORCE_FLAT;
7020 if (f & MachO::MH_NOMULTIDEFS) {
7021 outs() << " NOMULTIDEFS";
7022 f &= ~MachO::MH_NOMULTIDEFS;
7024 if (f & MachO::MH_NOFIXPREBINDING) {
7025 outs() << " NOFIXPREBINDING";
7026 f &= ~MachO::MH_NOFIXPREBINDING;
7028 if (f & MachO::MH_PREBINDABLE) {
7029 outs() << " PREBINDABLE";
7030 f &= ~MachO::MH_PREBINDABLE;
7032 if (f & MachO::MH_ALLMODSBOUND) {
7033 outs() << " ALLMODSBOUND";
7034 f &= ~MachO::MH_ALLMODSBOUND;
7036 if (f & MachO::MH_SUBSECTIONS_VIA_SYMBOLS) {
7037 outs() << " SUBSECTIONS_VIA_SYMBOLS";
7038 f &= ~MachO::MH_SUBSECTIONS_VIA_SYMBOLS;
7040 if (f & MachO::MH_CANONICAL) {
7041 outs() << " CANONICAL";
7042 f &= ~MachO::MH_CANONICAL;
7044 if (f & MachO::MH_WEAK_DEFINES) {
7045 outs() << " WEAK_DEFINES";
7046 f &= ~MachO::MH_WEAK_DEFINES;
7048 if (f & MachO::MH_BINDS_TO_WEAK) {
7049 outs() << " BINDS_TO_WEAK";
7050 f &= ~MachO::MH_BINDS_TO_WEAK;
7052 if (f & MachO::MH_ALLOW_STACK_EXECUTION) {
7053 outs() << " ALLOW_STACK_EXECUTION";
7054 f &= ~MachO::MH_ALLOW_STACK_EXECUTION;
7056 if (f & MachO::MH_DEAD_STRIPPABLE_DYLIB) {
7057 outs() << " DEAD_STRIPPABLE_DYLIB";
7058 f &= ~MachO::MH_DEAD_STRIPPABLE_DYLIB;
7060 if (f & MachO::MH_PIE) {
7062 f &= ~MachO::MH_PIE;
7064 if (f & MachO::MH_NO_REEXPORTED_DYLIBS) {
7065 outs() << " NO_REEXPORTED_DYLIBS";
7066 f &= ~MachO::MH_NO_REEXPORTED_DYLIBS;
7068 if (f & MachO::MH_HAS_TLV_DESCRIPTORS) {
7069 outs() << " MH_HAS_TLV_DESCRIPTORS";
7070 f &= ~MachO::MH_HAS_TLV_DESCRIPTORS;
7072 if (f & MachO::MH_NO_HEAP_EXECUTION) {
7073 outs() << " MH_NO_HEAP_EXECUTION";
7074 f &= ~MachO::MH_NO_HEAP_EXECUTION;
7076 if (f & MachO::MH_APP_EXTENSION_SAFE) {
7077 outs() << " APP_EXTENSION_SAFE";
7078 f &= ~MachO::MH_APP_EXTENSION_SAFE;
7080 if (f != 0 || flags == 0)
7081 outs() << format(" 0x%08" PRIx32, f);
7083 outs() << format(" 0x%08" PRIx32, magic);
7084 outs() << format(" %7d", cputype);
7085 outs() << format(" %10d", cpusubtype & ~MachO::CPU_SUBTYPE_MASK);
7086 outs() << format(" 0x%02" PRIx32,
7087 (cpusubtype & MachO::CPU_SUBTYPE_MASK) >> 24);
7088 outs() << format(" %10u", filetype);
7089 outs() << format(" %5u", ncmds);
7090 outs() << format(" %10u", sizeofcmds);
7091 outs() << format(" 0x%08" PRIx32, flags);
7096 static void PrintSegmentCommand(uint32_t cmd, uint32_t cmdsize,
7097 StringRef SegName, uint64_t vmaddr,
7098 uint64_t vmsize, uint64_t fileoff,
7099 uint64_t filesize, uint32_t maxprot,
7100 uint32_t initprot, uint32_t nsects,
7101 uint32_t flags, uint32_t object_size,
7103 uint64_t expected_cmdsize;
7104 if (cmd == MachO::LC_SEGMENT) {
7105 outs() << " cmd LC_SEGMENT\n";
7106 expected_cmdsize = nsects;
7107 expected_cmdsize *= sizeof(struct MachO::section);
7108 expected_cmdsize += sizeof(struct MachO::segment_command);
7110 outs() << " cmd LC_SEGMENT_64\n";
7111 expected_cmdsize = nsects;
7112 expected_cmdsize *= sizeof(struct MachO::section_64);
7113 expected_cmdsize += sizeof(struct MachO::segment_command_64);
7115 outs() << " cmdsize " << cmdsize;
7116 if (cmdsize != expected_cmdsize)
7117 outs() << " Inconsistent size\n";
7120 outs() << " segname " << SegName << "\n";
7121 if (cmd == MachO::LC_SEGMENT_64) {
7122 outs() << " vmaddr " << format("0x%016" PRIx64, vmaddr) << "\n";
7123 outs() << " vmsize " << format("0x%016" PRIx64, vmsize) << "\n";
7125 outs() << " vmaddr " << format("0x%08" PRIx64, vmaddr) << "\n";
7126 outs() << " vmsize " << format("0x%08" PRIx64, vmsize) << "\n";
7128 outs() << " fileoff " << fileoff;
7129 if (fileoff > object_size)
7130 outs() << " (past end of file)\n";
7133 outs() << " filesize " << filesize;
7134 if (fileoff + filesize > object_size)
7135 outs() << " (past end of file)\n";
7140 ~(MachO::VM_PROT_READ | MachO::VM_PROT_WRITE |
7141 MachO::VM_PROT_EXECUTE)) != 0)
7142 outs() << " maxprot ?" << format("0x%08" PRIx32, maxprot) << "\n";
7144 outs() << " maxprot ";
7145 outs() << ((maxprot & MachO::VM_PROT_READ) ? "r" : "-");
7146 outs() << ((maxprot & MachO::VM_PROT_WRITE) ? "w" : "-");
7147 outs() << ((maxprot & MachO::VM_PROT_EXECUTE) ? "x\n" : "-\n");
7150 ~(MachO::VM_PROT_READ | MachO::VM_PROT_WRITE |
7151 MachO::VM_PROT_EXECUTE)) != 0)
7152 outs() << " initprot ?" << format("0x%08" PRIx32, initprot) << "\n";
7154 outs() << " initprot ";
7155 outs() << ((initprot & MachO::VM_PROT_READ) ? "r" : "-");
7156 outs() << ((initprot & MachO::VM_PROT_WRITE) ? "w" : "-");
7157 outs() << ((initprot & MachO::VM_PROT_EXECUTE) ? "x\n" : "-\n");
7160 outs() << " maxprot " << format("0x%08" PRIx32, maxprot) << "\n";
7161 outs() << " initprot " << format("0x%08" PRIx32, initprot) << "\n";
7163 outs() << " nsects " << nsects << "\n";
7167 outs() << " (none)\n";
7169 if (flags & MachO::SG_HIGHVM) {
7170 outs() << " HIGHVM";
7171 flags &= ~MachO::SG_HIGHVM;
7173 if (flags & MachO::SG_FVMLIB) {
7174 outs() << " FVMLIB";
7175 flags &= ~MachO::SG_FVMLIB;
7177 if (flags & MachO::SG_NORELOC) {
7178 outs() << " NORELOC";
7179 flags &= ~MachO::SG_NORELOC;
7181 if (flags & MachO::SG_PROTECTED_VERSION_1) {
7182 outs() << " PROTECTED_VERSION_1";
7183 flags &= ~MachO::SG_PROTECTED_VERSION_1;
7186 outs() << format(" 0x%08" PRIx32, flags) << " (unknown flags)\n";
7191 outs() << " flags " << format("0x%" PRIx32, flags) << "\n";
7195 static void PrintSection(const char *sectname, const char *segname,
7196 uint64_t addr, uint64_t size, uint32_t offset,
7197 uint32_t align, uint32_t reloff, uint32_t nreloc,
7198 uint32_t flags, uint32_t reserved1, uint32_t reserved2,
7199 uint32_t cmd, const char *sg_segname,
7200 uint32_t filetype, uint32_t object_size,
7202 outs() << "Section\n";
7203 outs() << " sectname " << format("%.16s\n", sectname);
7204 outs() << " segname " << format("%.16s", segname);
7205 if (filetype != MachO::MH_OBJECT && strncmp(sg_segname, segname, 16) != 0)
7206 outs() << " (does not match segment)\n";
7209 if (cmd == MachO::LC_SEGMENT_64) {
7210 outs() << " addr " << format("0x%016" PRIx64, addr) << "\n";
7211 outs() << " size " << format("0x%016" PRIx64, size);
7213 outs() << " addr " << format("0x%08" PRIx64, addr) << "\n";
7214 outs() << " size " << format("0x%08" PRIx64, size);
7216 if ((flags & MachO::S_ZEROFILL) != 0 && offset + size > object_size)
7217 outs() << " (past end of file)\n";
7220 outs() << " offset " << offset;
7221 if (offset > object_size)
7222 outs() << " (past end of file)\n";
7225 uint32_t align_shifted = 1 << align;
7226 outs() << " align 2^" << align << " (" << align_shifted << ")\n";
7227 outs() << " reloff " << reloff;
7228 if (reloff > object_size)
7229 outs() << " (past end of file)\n";
7232 outs() << " nreloc " << nreloc;
7233 if (reloff + nreloc * sizeof(struct MachO::relocation_info) > object_size)
7234 outs() << " (past end of file)\n";
7237 uint32_t section_type = flags & MachO::SECTION_TYPE;
7240 if (section_type == MachO::S_REGULAR)
7241 outs() << " S_REGULAR\n";
7242 else if (section_type == MachO::S_ZEROFILL)
7243 outs() << " S_ZEROFILL\n";
7244 else if (section_type == MachO::S_CSTRING_LITERALS)
7245 outs() << " S_CSTRING_LITERALS\n";
7246 else if (section_type == MachO::S_4BYTE_LITERALS)
7247 outs() << " S_4BYTE_LITERALS\n";
7248 else if (section_type == MachO::S_8BYTE_LITERALS)
7249 outs() << " S_8BYTE_LITERALS\n";
7250 else if (section_type == MachO::S_16BYTE_LITERALS)
7251 outs() << " S_16BYTE_LITERALS\n";
7252 else if (section_type == MachO::S_LITERAL_POINTERS)
7253 outs() << " S_LITERAL_POINTERS\n";
7254 else if (section_type == MachO::S_NON_LAZY_SYMBOL_POINTERS)
7255 outs() << " S_NON_LAZY_SYMBOL_POINTERS\n";
7256 else if (section_type == MachO::S_LAZY_SYMBOL_POINTERS)
7257 outs() << " S_LAZY_SYMBOL_POINTERS\n";
7258 else if (section_type == MachO::S_SYMBOL_STUBS)
7259 outs() << " S_SYMBOL_STUBS\n";
7260 else if (section_type == MachO::S_MOD_INIT_FUNC_POINTERS)
7261 outs() << " S_MOD_INIT_FUNC_POINTERS\n";
7262 else if (section_type == MachO::S_MOD_TERM_FUNC_POINTERS)
7263 outs() << " S_MOD_TERM_FUNC_POINTERS\n";
7264 else if (section_type == MachO::S_COALESCED)
7265 outs() << " S_COALESCED\n";
7266 else if (section_type == MachO::S_INTERPOSING)
7267 outs() << " S_INTERPOSING\n";
7268 else if (section_type == MachO::S_DTRACE_DOF)
7269 outs() << " S_DTRACE_DOF\n";
7270 else if (section_type == MachO::S_LAZY_DYLIB_SYMBOL_POINTERS)
7271 outs() << " S_LAZY_DYLIB_SYMBOL_POINTERS\n";
7272 else if (section_type == MachO::S_THREAD_LOCAL_REGULAR)
7273 outs() << " S_THREAD_LOCAL_REGULAR\n";
7274 else if (section_type == MachO::S_THREAD_LOCAL_ZEROFILL)
7275 outs() << " S_THREAD_LOCAL_ZEROFILL\n";
7276 else if (section_type == MachO::S_THREAD_LOCAL_VARIABLES)
7277 outs() << " S_THREAD_LOCAL_VARIABLES\n";
7278 else if (section_type == MachO::S_THREAD_LOCAL_VARIABLE_POINTERS)
7279 outs() << " S_THREAD_LOCAL_VARIABLE_POINTERS\n";
7280 else if (section_type == MachO::S_THREAD_LOCAL_INIT_FUNCTION_POINTERS)
7281 outs() << " S_THREAD_LOCAL_INIT_FUNCTION_POINTERS\n";
7283 outs() << format("0x%08" PRIx32, section_type) << "\n";
7284 outs() << "attributes";
7285 uint32_t section_attributes = flags & MachO::SECTION_ATTRIBUTES;
7286 if (section_attributes & MachO::S_ATTR_PURE_INSTRUCTIONS)
7287 outs() << " PURE_INSTRUCTIONS";
7288 if (section_attributes & MachO::S_ATTR_NO_TOC)
7289 outs() << " NO_TOC";
7290 if (section_attributes & MachO::S_ATTR_STRIP_STATIC_SYMS)
7291 outs() << " STRIP_STATIC_SYMS";
7292 if (section_attributes & MachO::S_ATTR_NO_DEAD_STRIP)
7293 outs() << " NO_DEAD_STRIP";
7294 if (section_attributes & MachO::S_ATTR_LIVE_SUPPORT)
7295 outs() << " LIVE_SUPPORT";
7296 if (section_attributes & MachO::S_ATTR_SELF_MODIFYING_CODE)
7297 outs() << " SELF_MODIFYING_CODE";
7298 if (section_attributes & MachO::S_ATTR_DEBUG)
7300 if (section_attributes & MachO::S_ATTR_SOME_INSTRUCTIONS)
7301 outs() << " SOME_INSTRUCTIONS";
7302 if (section_attributes & MachO::S_ATTR_EXT_RELOC)
7303 outs() << " EXT_RELOC";
7304 if (section_attributes & MachO::S_ATTR_LOC_RELOC)
7305 outs() << " LOC_RELOC";
7306 if (section_attributes == 0)
7307 outs() << " (none)";
7310 outs() << " flags " << format("0x%08" PRIx32, flags) << "\n";
7311 outs() << " reserved1 " << reserved1;
7312 if (section_type == MachO::S_SYMBOL_STUBS ||
7313 section_type == MachO::S_LAZY_SYMBOL_POINTERS ||
7314 section_type == MachO::S_LAZY_DYLIB_SYMBOL_POINTERS ||
7315 section_type == MachO::S_NON_LAZY_SYMBOL_POINTERS ||
7316 section_type == MachO::S_THREAD_LOCAL_VARIABLE_POINTERS)
7317 outs() << " (index into indirect symbol table)\n";
7320 outs() << " reserved2 " << reserved2;
7321 if (section_type == MachO::S_SYMBOL_STUBS)
7322 outs() << " (size of stubs)\n";
7327 static void PrintSymtabLoadCommand(MachO::symtab_command st, bool Is64Bit,
7328 uint32_t object_size) {
7329 outs() << " cmd LC_SYMTAB\n";
7330 outs() << " cmdsize " << st.cmdsize;
7331 if (st.cmdsize != sizeof(struct MachO::symtab_command))
7332 outs() << " Incorrect size\n";
7335 outs() << " symoff " << st.symoff;
7336 if (st.symoff > object_size)
7337 outs() << " (past end of file)\n";
7340 outs() << " nsyms " << st.nsyms;
7343 big_size = st.nsyms;
7344 big_size *= sizeof(struct MachO::nlist_64);
7345 big_size += st.symoff;
7346 if (big_size > object_size)
7347 outs() << " (past end of file)\n";
7351 big_size = st.nsyms;
7352 big_size *= sizeof(struct MachO::nlist);
7353 big_size += st.symoff;
7354 if (big_size > object_size)
7355 outs() << " (past end of file)\n";
7359 outs() << " stroff " << st.stroff;
7360 if (st.stroff > object_size)
7361 outs() << " (past end of file)\n";
7364 outs() << " strsize " << st.strsize;
7365 big_size = st.stroff;
7366 big_size += st.strsize;
7367 if (big_size > object_size)
7368 outs() << " (past end of file)\n";
7373 static void PrintDysymtabLoadCommand(MachO::dysymtab_command dyst,
7374 uint32_t nsyms, uint32_t object_size,
7376 outs() << " cmd LC_DYSYMTAB\n";
7377 outs() << " cmdsize " << dyst.cmdsize;
7378 if (dyst.cmdsize != sizeof(struct MachO::dysymtab_command))
7379 outs() << " Incorrect size\n";
7382 outs() << " ilocalsym " << dyst.ilocalsym;
7383 if (dyst.ilocalsym > nsyms)
7384 outs() << " (greater than the number of symbols)\n";
7387 outs() << " nlocalsym " << dyst.nlocalsym;
7389 big_size = dyst.ilocalsym;
7390 big_size += dyst.nlocalsym;
7391 if (big_size > nsyms)
7392 outs() << " (past the end of the symbol table)\n";
7395 outs() << " iextdefsym " << dyst.iextdefsym;
7396 if (dyst.iextdefsym > nsyms)
7397 outs() << " (greater than the number of symbols)\n";
7400 outs() << " nextdefsym " << dyst.nextdefsym;
7401 big_size = dyst.iextdefsym;
7402 big_size += dyst.nextdefsym;
7403 if (big_size > nsyms)
7404 outs() << " (past the end of the symbol table)\n";
7407 outs() << " iundefsym " << dyst.iundefsym;
7408 if (dyst.iundefsym > nsyms)
7409 outs() << " (greater than the number of symbols)\n";
7412 outs() << " nundefsym " << dyst.nundefsym;
7413 big_size = dyst.iundefsym;
7414 big_size += dyst.nundefsym;
7415 if (big_size > nsyms)
7416 outs() << " (past the end of the symbol table)\n";
7419 outs() << " tocoff " << dyst.tocoff;
7420 if (dyst.tocoff > object_size)
7421 outs() << " (past end of file)\n";
7424 outs() << " ntoc " << dyst.ntoc;
7425 big_size = dyst.ntoc;
7426 big_size *= sizeof(struct MachO::dylib_table_of_contents);
7427 big_size += dyst.tocoff;
7428 if (big_size > object_size)
7429 outs() << " (past end of file)\n";
7432 outs() << " modtaboff " << dyst.modtaboff;
7433 if (dyst.modtaboff > object_size)
7434 outs() << " (past end of file)\n";
7437 outs() << " nmodtab " << dyst.nmodtab;
7440 modtabend = dyst.nmodtab;
7441 modtabend *= sizeof(struct MachO::dylib_module_64);
7442 modtabend += dyst.modtaboff;
7444 modtabend = dyst.nmodtab;
7445 modtabend *= sizeof(struct MachO::dylib_module);
7446 modtabend += dyst.modtaboff;
7448 if (modtabend > object_size)
7449 outs() << " (past end of file)\n";
7452 outs() << " extrefsymoff " << dyst.extrefsymoff;
7453 if (dyst.extrefsymoff > object_size)
7454 outs() << " (past end of file)\n";
7457 outs() << " nextrefsyms " << dyst.nextrefsyms;
7458 big_size = dyst.nextrefsyms;
7459 big_size *= sizeof(struct MachO::dylib_reference);
7460 big_size += dyst.extrefsymoff;
7461 if (big_size > object_size)
7462 outs() << " (past end of file)\n";
7465 outs() << " indirectsymoff " << dyst.indirectsymoff;
7466 if (dyst.indirectsymoff > object_size)
7467 outs() << " (past end of file)\n";
7470 outs() << " nindirectsyms " << dyst.nindirectsyms;
7471 big_size = dyst.nindirectsyms;
7472 big_size *= sizeof(uint32_t);
7473 big_size += dyst.indirectsymoff;
7474 if (big_size > object_size)
7475 outs() << " (past end of file)\n";
7478 outs() << " extreloff " << dyst.extreloff;
7479 if (dyst.extreloff > object_size)
7480 outs() << " (past end of file)\n";
7483 outs() << " nextrel " << dyst.nextrel;
7484 big_size = dyst.nextrel;
7485 big_size *= sizeof(struct MachO::relocation_info);
7486 big_size += dyst.extreloff;
7487 if (big_size > object_size)
7488 outs() << " (past end of file)\n";
7491 outs() << " locreloff " << dyst.locreloff;
7492 if (dyst.locreloff > object_size)
7493 outs() << " (past end of file)\n";
7496 outs() << " nlocrel " << dyst.nlocrel;
7497 big_size = dyst.nlocrel;
7498 big_size *= sizeof(struct MachO::relocation_info);
7499 big_size += dyst.locreloff;
7500 if (big_size > object_size)
7501 outs() << " (past end of file)\n";
7506 static void PrintDyldInfoLoadCommand(MachO::dyld_info_command dc,
7507 uint32_t object_size) {
7508 if (dc.cmd == MachO::LC_DYLD_INFO)
7509 outs() << " cmd LC_DYLD_INFO\n";
7511 outs() << " cmd LC_DYLD_INFO_ONLY\n";
7512 outs() << " cmdsize " << dc.cmdsize;
7513 if (dc.cmdsize != sizeof(struct MachO::dyld_info_command))
7514 outs() << " Incorrect size\n";
7517 outs() << " rebase_off " << dc.rebase_off;
7518 if (dc.rebase_off > object_size)
7519 outs() << " (past end of file)\n";
7522 outs() << " rebase_size " << dc.rebase_size;
7524 big_size = dc.rebase_off;
7525 big_size += dc.rebase_size;
7526 if (big_size > object_size)
7527 outs() << " (past end of file)\n";
7530 outs() << " bind_off " << dc.bind_off;
7531 if (dc.bind_off > object_size)
7532 outs() << " (past end of file)\n";
7535 outs() << " bind_size " << dc.bind_size;
7536 big_size = dc.bind_off;
7537 big_size += dc.bind_size;
7538 if (big_size > object_size)
7539 outs() << " (past end of file)\n";
7542 outs() << " weak_bind_off " << dc.weak_bind_off;
7543 if (dc.weak_bind_off > object_size)
7544 outs() << " (past end of file)\n";
7547 outs() << " weak_bind_size " << dc.weak_bind_size;
7548 big_size = dc.weak_bind_off;
7549 big_size += dc.weak_bind_size;
7550 if (big_size > object_size)
7551 outs() << " (past end of file)\n";
7554 outs() << " lazy_bind_off " << dc.lazy_bind_off;
7555 if (dc.lazy_bind_off > object_size)
7556 outs() << " (past end of file)\n";
7559 outs() << " lazy_bind_size " << dc.lazy_bind_size;
7560 big_size = dc.lazy_bind_off;
7561 big_size += dc.lazy_bind_size;
7562 if (big_size > object_size)
7563 outs() << " (past end of file)\n";
7566 outs() << " export_off " << dc.export_off;
7567 if (dc.export_off > object_size)
7568 outs() << " (past end of file)\n";
7571 outs() << " export_size " << dc.export_size;
7572 big_size = dc.export_off;
7573 big_size += dc.export_size;
7574 if (big_size > object_size)
7575 outs() << " (past end of file)\n";
7580 static void PrintDyldLoadCommand(MachO::dylinker_command dyld,
7582 if (dyld.cmd == MachO::LC_ID_DYLINKER)
7583 outs() << " cmd LC_ID_DYLINKER\n";
7584 else if (dyld.cmd == MachO::LC_LOAD_DYLINKER)
7585 outs() << " cmd LC_LOAD_DYLINKER\n";
7586 else if (dyld.cmd == MachO::LC_DYLD_ENVIRONMENT)
7587 outs() << " cmd LC_DYLD_ENVIRONMENT\n";
7589 outs() << " cmd ?(" << dyld.cmd << ")\n";
7590 outs() << " cmdsize " << dyld.cmdsize;
7591 if (dyld.cmdsize < sizeof(struct MachO::dylinker_command))
7592 outs() << " Incorrect size\n";
7595 if (dyld.name >= dyld.cmdsize)
7596 outs() << " name ?(bad offset " << dyld.name << ")\n";
7598 const char *P = (const char *)(Ptr) + dyld.name;
7599 outs() << " name " << P << " (offset " << dyld.name << ")\n";
7603 static void PrintUuidLoadCommand(MachO::uuid_command uuid) {
7604 outs() << " cmd LC_UUID\n";
7605 outs() << " cmdsize " << uuid.cmdsize;
7606 if (uuid.cmdsize != sizeof(struct MachO::uuid_command))
7607 outs() << " Incorrect size\n";
7611 outs() << format("%02" PRIX32, uuid.uuid[0]);
7612 outs() << format("%02" PRIX32, uuid.uuid[1]);
7613 outs() << format("%02" PRIX32, uuid.uuid[2]);
7614 outs() << format("%02" PRIX32, uuid.uuid[3]);
7616 outs() << format("%02" PRIX32, uuid.uuid[4]);
7617 outs() << format("%02" PRIX32, uuid.uuid[5]);
7619 outs() << format("%02" PRIX32, uuid.uuid[6]);
7620 outs() << format("%02" PRIX32, uuid.uuid[7]);
7622 outs() << format("%02" PRIX32, uuid.uuid[8]);
7623 outs() << format("%02" PRIX32, uuid.uuid[9]);
7625 outs() << format("%02" PRIX32, uuid.uuid[10]);
7626 outs() << format("%02" PRIX32, uuid.uuid[11]);
7627 outs() << format("%02" PRIX32, uuid.uuid[12]);
7628 outs() << format("%02" PRIX32, uuid.uuid[13]);
7629 outs() << format("%02" PRIX32, uuid.uuid[14]);
7630 outs() << format("%02" PRIX32, uuid.uuid[15]);
7634 static void PrintRpathLoadCommand(MachO::rpath_command rpath, const char *Ptr) {
7635 outs() << " cmd LC_RPATH\n";
7636 outs() << " cmdsize " << rpath.cmdsize;
7637 if (rpath.cmdsize < sizeof(struct MachO::rpath_command))
7638 outs() << " Incorrect size\n";
7641 if (rpath.path >= rpath.cmdsize)
7642 outs() << " path ?(bad offset " << rpath.path << ")\n";
7644 const char *P = (const char *)(Ptr) + rpath.path;
7645 outs() << " path " << P << " (offset " << rpath.path << ")\n";
7649 static void PrintVersionMinLoadCommand(MachO::version_min_command vd) {
7650 StringRef LoadCmdName;
7652 case MachO::LC_VERSION_MIN_MACOSX:
7653 LoadCmdName = "LC_VERSION_MIN_MACOSX";
7655 case MachO::LC_VERSION_MIN_IPHONEOS:
7656 LoadCmdName = "LC_VERSION_MIN_IPHONEOS";
7658 case MachO::LC_VERSION_MIN_TVOS:
7659 LoadCmdName = "LC_VERSION_MIN_TVOS";
7661 case MachO::LC_VERSION_MIN_WATCHOS:
7662 LoadCmdName = "LC_VERSION_MIN_WATCHOS";
7665 llvm_unreachable("Unknown version min load command");
7668 outs() << " cmd " << LoadCmdName << '\n';
7669 outs() << " cmdsize " << vd.cmdsize;
7670 if (vd.cmdsize != sizeof(struct MachO::version_min_command))
7671 outs() << " Incorrect size\n";
7674 outs() << " version "
7675 << MachOObjectFile::getVersionMinMajor(vd, false) << "."
7676 << MachOObjectFile::getVersionMinMinor(vd, false);
7677 uint32_t Update = MachOObjectFile::getVersionMinUpdate(vd, false);
7679 outs() << "." << Update;
7682 outs() << " sdk n/a";
7685 << MachOObjectFile::getVersionMinMajor(vd, true) << "."
7686 << MachOObjectFile::getVersionMinMinor(vd, true);
7688 Update = MachOObjectFile::getVersionMinUpdate(vd, true);
7690 outs() << "." << Update;
7694 static void PrintSourceVersionCommand(MachO::source_version_command sd) {
7695 outs() << " cmd LC_SOURCE_VERSION\n";
7696 outs() << " cmdsize " << sd.cmdsize;
7697 if (sd.cmdsize != sizeof(struct MachO::source_version_command))
7698 outs() << " Incorrect size\n";
7701 uint64_t a = (sd.version >> 40) & 0xffffff;
7702 uint64_t b = (sd.version >> 30) & 0x3ff;
7703 uint64_t c = (sd.version >> 20) & 0x3ff;
7704 uint64_t d = (sd.version >> 10) & 0x3ff;
7705 uint64_t e = sd.version & 0x3ff;
7706 outs() << " version " << a << "." << b;
7708 outs() << "." << c << "." << d << "." << e;
7710 outs() << "." << c << "." << d;
7716 static void PrintEntryPointCommand(MachO::entry_point_command ep) {
7717 outs() << " cmd LC_MAIN\n";
7718 outs() << " cmdsize " << ep.cmdsize;
7719 if (ep.cmdsize != sizeof(struct MachO::entry_point_command))
7720 outs() << " Incorrect size\n";
7723 outs() << " entryoff " << ep.entryoff << "\n";
7724 outs() << " stacksize " << ep.stacksize << "\n";
7727 static void PrintEncryptionInfoCommand(MachO::encryption_info_command ec,
7728 uint32_t object_size) {
7729 outs() << " cmd LC_ENCRYPTION_INFO\n";
7730 outs() << " cmdsize " << ec.cmdsize;
7731 if (ec.cmdsize != sizeof(struct MachO::encryption_info_command))
7732 outs() << " Incorrect size\n";
7735 outs() << " cryptoff " << ec.cryptoff;
7736 if (ec.cryptoff > object_size)
7737 outs() << " (past end of file)\n";
7740 outs() << " cryptsize " << ec.cryptsize;
7741 if (ec.cryptsize > object_size)
7742 outs() << " (past end of file)\n";
7745 outs() << " cryptid " << ec.cryptid << "\n";
7748 static void PrintEncryptionInfoCommand64(MachO::encryption_info_command_64 ec,
7749 uint32_t object_size) {
7750 outs() << " cmd LC_ENCRYPTION_INFO_64\n";
7751 outs() << " cmdsize " << ec.cmdsize;
7752 if (ec.cmdsize != sizeof(struct MachO::encryption_info_command_64))
7753 outs() << " Incorrect size\n";
7756 outs() << " cryptoff " << ec.cryptoff;
7757 if (ec.cryptoff > object_size)
7758 outs() << " (past end of file)\n";
7761 outs() << " cryptsize " << ec.cryptsize;
7762 if (ec.cryptsize > object_size)
7763 outs() << " (past end of file)\n";
7766 outs() << " cryptid " << ec.cryptid << "\n";
7767 outs() << " pad " << ec.pad << "\n";
7770 static void PrintLinkerOptionCommand(MachO::linker_option_command lo,
7772 outs() << " cmd LC_LINKER_OPTION\n";
7773 outs() << " cmdsize " << lo.cmdsize;
7774 if (lo.cmdsize < sizeof(struct MachO::linker_option_command))
7775 outs() << " Incorrect size\n";
7778 outs() << " count " << lo.count << "\n";
7779 const char *string = Ptr + sizeof(struct MachO::linker_option_command);
7780 uint32_t left = lo.cmdsize - sizeof(struct MachO::linker_option_command);
7783 while (*string == '\0' && left > 0) {
7789 outs() << " string #" << i << " " << format("%.*s\n", left, string);
7790 uint32_t NullPos = StringRef(string, left).find('\0');
7791 uint32_t len = std::min(NullPos, left) + 1;
7797 outs() << " count " << lo.count << " does not match number of strings "
7801 static void PrintSubFrameworkCommand(MachO::sub_framework_command sub,
7803 outs() << " cmd LC_SUB_FRAMEWORK\n";
7804 outs() << " cmdsize " << sub.cmdsize;
7805 if (sub.cmdsize < sizeof(struct MachO::sub_framework_command))
7806 outs() << " Incorrect size\n";
7809 if (sub.umbrella < sub.cmdsize) {
7810 const char *P = Ptr + sub.umbrella;
7811 outs() << " umbrella " << P << " (offset " << sub.umbrella << ")\n";
7813 outs() << " umbrella ?(bad offset " << sub.umbrella << ")\n";
7817 static void PrintSubUmbrellaCommand(MachO::sub_umbrella_command sub,
7819 outs() << " cmd LC_SUB_UMBRELLA\n";
7820 outs() << " cmdsize " << sub.cmdsize;
7821 if (sub.cmdsize < sizeof(struct MachO::sub_umbrella_command))
7822 outs() << " Incorrect size\n";
7825 if (sub.sub_umbrella < sub.cmdsize) {
7826 const char *P = Ptr + sub.sub_umbrella;
7827 outs() << " sub_umbrella " << P << " (offset " << sub.sub_umbrella << ")\n";
7829 outs() << " sub_umbrella ?(bad offset " << sub.sub_umbrella << ")\n";
7833 static void PrintSubLibraryCommand(MachO::sub_library_command sub,
7835 outs() << " cmd LC_SUB_LIBRARY\n";
7836 outs() << " cmdsize " << sub.cmdsize;
7837 if (sub.cmdsize < sizeof(struct MachO::sub_library_command))
7838 outs() << " Incorrect size\n";
7841 if (sub.sub_library < sub.cmdsize) {
7842 const char *P = Ptr + sub.sub_library;
7843 outs() << " sub_library " << P << " (offset " << sub.sub_library << ")\n";
7845 outs() << " sub_library ?(bad offset " << sub.sub_library << ")\n";
7849 static void PrintSubClientCommand(MachO::sub_client_command sub,
7851 outs() << " cmd LC_SUB_CLIENT\n";
7852 outs() << " cmdsize " << sub.cmdsize;
7853 if (sub.cmdsize < sizeof(struct MachO::sub_client_command))
7854 outs() << " Incorrect size\n";
7857 if (sub.client < sub.cmdsize) {
7858 const char *P = Ptr + sub.client;
7859 outs() << " client " << P << " (offset " << sub.client << ")\n";
7861 outs() << " client ?(bad offset " << sub.client << ")\n";
7865 static void PrintRoutinesCommand(MachO::routines_command r) {
7866 outs() << " cmd LC_ROUTINES\n";
7867 outs() << " cmdsize " << r.cmdsize;
7868 if (r.cmdsize != sizeof(struct MachO::routines_command))
7869 outs() << " Incorrect size\n";
7872 outs() << " init_address " << format("0x%08" PRIx32, r.init_address) << "\n";
7873 outs() << " init_module " << r.init_module << "\n";
7874 outs() << " reserved1 " << r.reserved1 << "\n";
7875 outs() << " reserved2 " << r.reserved2 << "\n";
7876 outs() << " reserved3 " << r.reserved3 << "\n";
7877 outs() << " reserved4 " << r.reserved4 << "\n";
7878 outs() << " reserved5 " << r.reserved5 << "\n";
7879 outs() << " reserved6 " << r.reserved6 << "\n";
7882 static void PrintRoutinesCommand64(MachO::routines_command_64 r) {
7883 outs() << " cmd LC_ROUTINES_64\n";
7884 outs() << " cmdsize " << r.cmdsize;
7885 if (r.cmdsize != sizeof(struct MachO::routines_command_64))
7886 outs() << " Incorrect size\n";
7889 outs() << " init_address " << format("0x%016" PRIx64, r.init_address) << "\n";
7890 outs() << " init_module " << r.init_module << "\n";
7891 outs() << " reserved1 " << r.reserved1 << "\n";
7892 outs() << " reserved2 " << r.reserved2 << "\n";
7893 outs() << " reserved3 " << r.reserved3 << "\n";
7894 outs() << " reserved4 " << r.reserved4 << "\n";
7895 outs() << " reserved5 " << r.reserved5 << "\n";
7896 outs() << " reserved6 " << r.reserved6 << "\n";
7899 static void Print_x86_thread_state64_t(MachO::x86_thread_state64_t &cpu64) {
7900 outs() << " rax " << format("0x%016" PRIx64, cpu64.rax);
7901 outs() << " rbx " << format("0x%016" PRIx64, cpu64.rbx);
7902 outs() << " rcx " << format("0x%016" PRIx64, cpu64.rcx) << "\n";
7903 outs() << " rdx " << format("0x%016" PRIx64, cpu64.rdx);
7904 outs() << " rdi " << format("0x%016" PRIx64, cpu64.rdi);
7905 outs() << " rsi " << format("0x%016" PRIx64, cpu64.rsi) << "\n";
7906 outs() << " rbp " << format("0x%016" PRIx64, cpu64.rbp);
7907 outs() << " rsp " << format("0x%016" PRIx64, cpu64.rsp);
7908 outs() << " r8 " << format("0x%016" PRIx64, cpu64.r8) << "\n";
7909 outs() << " r9 " << format("0x%016" PRIx64, cpu64.r9);
7910 outs() << " r10 " << format("0x%016" PRIx64, cpu64.r10);
7911 outs() << " r11 " << format("0x%016" PRIx64, cpu64.r11) << "\n";
7912 outs() << " r12 " << format("0x%016" PRIx64, cpu64.r12);
7913 outs() << " r13 " << format("0x%016" PRIx64, cpu64.r13);
7914 outs() << " r14 " << format("0x%016" PRIx64, cpu64.r14) << "\n";
7915 outs() << " r15 " << format("0x%016" PRIx64, cpu64.r15);
7916 outs() << " rip " << format("0x%016" PRIx64, cpu64.rip) << "\n";
7917 outs() << "rflags " << format("0x%016" PRIx64, cpu64.rflags);
7918 outs() << " cs " << format("0x%016" PRIx64, cpu64.cs);
7919 outs() << " fs " << format("0x%016" PRIx64, cpu64.fs) << "\n";
7920 outs() << " gs " << format("0x%016" PRIx64, cpu64.gs) << "\n";
7923 static void Print_mmst_reg(MachO::mmst_reg_t &r) {
7925 outs() << "\t mmst_reg ";
7926 for (f = 0; f < 10; f++)
7927 outs() << format("%02" PRIx32, (r.mmst_reg[f] & 0xff)) << " ";
7929 outs() << "\t mmst_rsrv ";
7930 for (f = 0; f < 6; f++)
7931 outs() << format("%02" PRIx32, (r.mmst_rsrv[f] & 0xff)) << " ";
7935 static void Print_xmm_reg(MachO::xmm_reg_t &r) {
7937 outs() << "\t xmm_reg ";
7938 for (f = 0; f < 16; f++)
7939 outs() << format("%02" PRIx32, (r.xmm_reg[f] & 0xff)) << " ";
7943 static void Print_x86_float_state_t(MachO::x86_float_state64_t &fpu) {
7944 outs() << "\t fpu_reserved[0] " << fpu.fpu_reserved[0];
7945 outs() << " fpu_reserved[1] " << fpu.fpu_reserved[1] << "\n";
7946 outs() << "\t control: invalid " << fpu.fpu_fcw.invalid;
7947 outs() << " denorm " << fpu.fpu_fcw.denorm;
7948 outs() << " zdiv " << fpu.fpu_fcw.zdiv;
7949 outs() << " ovrfl " << fpu.fpu_fcw.ovrfl;
7950 outs() << " undfl " << fpu.fpu_fcw.undfl;
7951 outs() << " precis " << fpu.fpu_fcw.precis << "\n";
7952 outs() << "\t\t pc ";
7953 if (fpu.fpu_fcw.pc == MachO::x86_FP_PREC_24B)
7954 outs() << "FP_PREC_24B ";
7955 else if (fpu.fpu_fcw.pc == MachO::x86_FP_PREC_53B)
7956 outs() << "FP_PREC_53B ";
7957 else if (fpu.fpu_fcw.pc == MachO::x86_FP_PREC_64B)
7958 outs() << "FP_PREC_64B ";
7960 outs() << fpu.fpu_fcw.pc << " ";
7962 if (fpu.fpu_fcw.rc == MachO::x86_FP_RND_NEAR)
7963 outs() << "FP_RND_NEAR ";
7964 else if (fpu.fpu_fcw.rc == MachO::x86_FP_RND_DOWN)
7965 outs() << "FP_RND_DOWN ";
7966 else if (fpu.fpu_fcw.rc == MachO::x86_FP_RND_UP)
7967 outs() << "FP_RND_UP ";
7968 else if (fpu.fpu_fcw.rc == MachO::x86_FP_CHOP)
7969 outs() << "FP_CHOP ";
7971 outs() << "\t status: invalid " << fpu.fpu_fsw.invalid;
7972 outs() << " denorm " << fpu.fpu_fsw.denorm;
7973 outs() << " zdiv " << fpu.fpu_fsw.zdiv;
7974 outs() << " ovrfl " << fpu.fpu_fsw.ovrfl;
7975 outs() << " undfl " << fpu.fpu_fsw.undfl;
7976 outs() << " precis " << fpu.fpu_fsw.precis;
7977 outs() << " stkflt " << fpu.fpu_fsw.stkflt << "\n";
7978 outs() << "\t errsumm " << fpu.fpu_fsw.errsumm;
7979 outs() << " c0 " << fpu.fpu_fsw.c0;
7980 outs() << " c1 " << fpu.fpu_fsw.c1;
7981 outs() << " c2 " << fpu.fpu_fsw.c2;
7982 outs() << " tos " << fpu.fpu_fsw.tos;
7983 outs() << " c3 " << fpu.fpu_fsw.c3;
7984 outs() << " busy " << fpu.fpu_fsw.busy << "\n";
7985 outs() << "\t fpu_ftw " << format("0x%02" PRIx32, fpu.fpu_ftw);
7986 outs() << " fpu_rsrv1 " << format("0x%02" PRIx32, fpu.fpu_rsrv1);
7987 outs() << " fpu_fop " << format("0x%04" PRIx32, fpu.fpu_fop);
7988 outs() << " fpu_ip " << format("0x%08" PRIx32, fpu.fpu_ip) << "\n";
7989 outs() << "\t fpu_cs " << format("0x%04" PRIx32, fpu.fpu_cs);
7990 outs() << " fpu_rsrv2 " << format("0x%04" PRIx32, fpu.fpu_rsrv2);
7991 outs() << " fpu_dp " << format("0x%08" PRIx32, fpu.fpu_dp);
7992 outs() << " fpu_ds " << format("0x%04" PRIx32, fpu.fpu_ds) << "\n";
7993 outs() << "\t fpu_rsrv3 " << format("0x%04" PRIx32, fpu.fpu_rsrv3);
7994 outs() << " fpu_mxcsr " << format("0x%08" PRIx32, fpu.fpu_mxcsr);
7995 outs() << " fpu_mxcsrmask " << format("0x%08" PRIx32, fpu.fpu_mxcsrmask);
7997 outs() << "\t fpu_stmm0:\n";
7998 Print_mmst_reg(fpu.fpu_stmm0);
7999 outs() << "\t fpu_stmm1:\n";
8000 Print_mmst_reg(fpu.fpu_stmm1);
8001 outs() << "\t fpu_stmm2:\n";
8002 Print_mmst_reg(fpu.fpu_stmm2);
8003 outs() << "\t fpu_stmm3:\n";
8004 Print_mmst_reg(fpu.fpu_stmm3);
8005 outs() << "\t fpu_stmm4:\n";
8006 Print_mmst_reg(fpu.fpu_stmm4);
8007 outs() << "\t fpu_stmm5:\n";
8008 Print_mmst_reg(fpu.fpu_stmm5);
8009 outs() << "\t fpu_stmm6:\n";
8010 Print_mmst_reg(fpu.fpu_stmm6);
8011 outs() << "\t fpu_stmm7:\n";
8012 Print_mmst_reg(fpu.fpu_stmm7);
8013 outs() << "\t fpu_xmm0:\n";
8014 Print_xmm_reg(fpu.fpu_xmm0);
8015 outs() << "\t fpu_xmm1:\n";
8016 Print_xmm_reg(fpu.fpu_xmm1);
8017 outs() << "\t fpu_xmm2:\n";
8018 Print_xmm_reg(fpu.fpu_xmm2);
8019 outs() << "\t fpu_xmm3:\n";
8020 Print_xmm_reg(fpu.fpu_xmm3);
8021 outs() << "\t fpu_xmm4:\n";
8022 Print_xmm_reg(fpu.fpu_xmm4);
8023 outs() << "\t fpu_xmm5:\n";
8024 Print_xmm_reg(fpu.fpu_xmm5);
8025 outs() << "\t fpu_xmm6:\n";
8026 Print_xmm_reg(fpu.fpu_xmm6);
8027 outs() << "\t fpu_xmm7:\n";
8028 Print_xmm_reg(fpu.fpu_xmm7);
8029 outs() << "\t fpu_xmm8:\n";
8030 Print_xmm_reg(fpu.fpu_xmm8);
8031 outs() << "\t fpu_xmm9:\n";
8032 Print_xmm_reg(fpu.fpu_xmm9);
8033 outs() << "\t fpu_xmm10:\n";
8034 Print_xmm_reg(fpu.fpu_xmm10);
8035 outs() << "\t fpu_xmm11:\n";
8036 Print_xmm_reg(fpu.fpu_xmm11);
8037 outs() << "\t fpu_xmm12:\n";
8038 Print_xmm_reg(fpu.fpu_xmm12);
8039 outs() << "\t fpu_xmm13:\n";
8040 Print_xmm_reg(fpu.fpu_xmm13);
8041 outs() << "\t fpu_xmm14:\n";
8042 Print_xmm_reg(fpu.fpu_xmm14);
8043 outs() << "\t fpu_xmm15:\n";
8044 Print_xmm_reg(fpu.fpu_xmm15);
8045 outs() << "\t fpu_rsrv4:\n";
8046 for (uint32_t f = 0; f < 6; f++) {
8048 for (uint32_t g = 0; g < 16; g++)
8049 outs() << format("%02" PRIx32, fpu.fpu_rsrv4[f * g]) << " ";
8052 outs() << "\t fpu_reserved1 " << format("0x%08" PRIx32, fpu.fpu_reserved1);
8056 static void Print_x86_exception_state_t(MachO::x86_exception_state64_t &exc64) {
8057 outs() << "\t trapno " << format("0x%08" PRIx32, exc64.trapno);
8058 outs() << " err " << format("0x%08" PRIx32, exc64.err);
8059 outs() << " faultvaddr " << format("0x%016" PRIx64, exc64.faultvaddr) << "\n";
8062 static void PrintThreadCommand(MachO::thread_command t, const char *Ptr,
8063 bool isLittleEndian, uint32_t cputype) {
8064 if (t.cmd == MachO::LC_THREAD)
8065 outs() << " cmd LC_THREAD\n";
8066 else if (t.cmd == MachO::LC_UNIXTHREAD)
8067 outs() << " cmd LC_UNIXTHREAD\n";
8069 outs() << " cmd " << t.cmd << " (unknown)\n";
8070 outs() << " cmdsize " << t.cmdsize;
8071 if (t.cmdsize < sizeof(struct MachO::thread_command) + 2 * sizeof(uint32_t))
8072 outs() << " Incorrect size\n";
8076 const char *begin = Ptr + sizeof(struct MachO::thread_command);
8077 const char *end = Ptr + t.cmdsize;
8078 uint32_t flavor, count, left;
8079 if (cputype == MachO::CPU_TYPE_X86_64) {
8080 while (begin < end) {
8081 if (end - begin > (ptrdiff_t)sizeof(uint32_t)) {
8082 memcpy((char *)&flavor, begin, sizeof(uint32_t));
8083 begin += sizeof(uint32_t);
8088 if (isLittleEndian != sys::IsLittleEndianHost)
8089 sys::swapByteOrder(flavor);
8090 if (end - begin > (ptrdiff_t)sizeof(uint32_t)) {
8091 memcpy((char *)&count, begin, sizeof(uint32_t));
8092 begin += sizeof(uint32_t);
8097 if (isLittleEndian != sys::IsLittleEndianHost)
8098 sys::swapByteOrder(count);
8099 if (flavor == MachO::x86_THREAD_STATE64) {
8100 outs() << " flavor x86_THREAD_STATE64\n";
8101 if (count == MachO::x86_THREAD_STATE64_COUNT)
8102 outs() << " count x86_THREAD_STATE64_COUNT\n";
8104 outs() << " count " << count
8105 << " (not x86_THREAD_STATE64_COUNT)\n";
8106 MachO::x86_thread_state64_t cpu64;
8108 if (left >= sizeof(MachO::x86_thread_state64_t)) {
8109 memcpy(&cpu64, begin, sizeof(MachO::x86_thread_state64_t));
8110 begin += sizeof(MachO::x86_thread_state64_t);
8112 memset(&cpu64, '\0', sizeof(MachO::x86_thread_state64_t));
8113 memcpy(&cpu64, begin, left);
8116 if (isLittleEndian != sys::IsLittleEndianHost)
8118 Print_x86_thread_state64_t(cpu64);
8119 } else if (flavor == MachO::x86_THREAD_STATE) {
8120 outs() << " flavor x86_THREAD_STATE\n";
8121 if (count == MachO::x86_THREAD_STATE_COUNT)
8122 outs() << " count x86_THREAD_STATE_COUNT\n";
8124 outs() << " count " << count
8125 << " (not x86_THREAD_STATE_COUNT)\n";
8126 struct MachO::x86_thread_state_t ts;
8128 if (left >= sizeof(MachO::x86_thread_state_t)) {
8129 memcpy(&ts, begin, sizeof(MachO::x86_thread_state_t));
8130 begin += sizeof(MachO::x86_thread_state_t);
8132 memset(&ts, '\0', sizeof(MachO::x86_thread_state_t));
8133 memcpy(&ts, begin, left);
8136 if (isLittleEndian != sys::IsLittleEndianHost)
8138 if (ts.tsh.flavor == MachO::x86_THREAD_STATE64) {
8139 outs() << "\t tsh.flavor x86_THREAD_STATE64 ";
8140 if (ts.tsh.count == MachO::x86_THREAD_STATE64_COUNT)
8141 outs() << "tsh.count x86_THREAD_STATE64_COUNT\n";
8143 outs() << "tsh.count " << ts.tsh.count
8144 << " (not x86_THREAD_STATE64_COUNT\n";
8145 Print_x86_thread_state64_t(ts.uts.ts64);
8147 outs() << "\t tsh.flavor " << ts.tsh.flavor << " tsh.count "
8148 << ts.tsh.count << "\n";
8150 } else if (flavor == MachO::x86_FLOAT_STATE) {
8151 outs() << " flavor x86_FLOAT_STATE\n";
8152 if (count == MachO::x86_FLOAT_STATE_COUNT)
8153 outs() << " count x86_FLOAT_STATE_COUNT\n";
8155 outs() << " count " << count << " (not x86_FLOAT_STATE_COUNT)\n";
8156 struct MachO::x86_float_state_t fs;
8158 if (left >= sizeof(MachO::x86_float_state_t)) {
8159 memcpy(&fs, begin, sizeof(MachO::x86_float_state_t));
8160 begin += sizeof(MachO::x86_float_state_t);
8162 memset(&fs, '\0', sizeof(MachO::x86_float_state_t));
8163 memcpy(&fs, begin, left);
8166 if (isLittleEndian != sys::IsLittleEndianHost)
8168 if (fs.fsh.flavor == MachO::x86_FLOAT_STATE64) {
8169 outs() << "\t fsh.flavor x86_FLOAT_STATE64 ";
8170 if (fs.fsh.count == MachO::x86_FLOAT_STATE64_COUNT)
8171 outs() << "fsh.count x86_FLOAT_STATE64_COUNT\n";
8173 outs() << "fsh.count " << fs.fsh.count
8174 << " (not x86_FLOAT_STATE64_COUNT\n";
8175 Print_x86_float_state_t(fs.ufs.fs64);
8177 outs() << "\t fsh.flavor " << fs.fsh.flavor << " fsh.count "
8178 << fs.fsh.count << "\n";
8180 } else if (flavor == MachO::x86_EXCEPTION_STATE) {
8181 outs() << " flavor x86_EXCEPTION_STATE\n";
8182 if (count == MachO::x86_EXCEPTION_STATE_COUNT)
8183 outs() << " count x86_EXCEPTION_STATE_COUNT\n";
8185 outs() << " count " << count
8186 << " (not x86_EXCEPTION_STATE_COUNT)\n";
8187 struct MachO::x86_exception_state_t es;
8189 if (left >= sizeof(MachO::x86_exception_state_t)) {
8190 memcpy(&es, begin, sizeof(MachO::x86_exception_state_t));
8191 begin += sizeof(MachO::x86_exception_state_t);
8193 memset(&es, '\0', sizeof(MachO::x86_exception_state_t));
8194 memcpy(&es, begin, left);
8197 if (isLittleEndian != sys::IsLittleEndianHost)
8199 if (es.esh.flavor == MachO::x86_EXCEPTION_STATE64) {
8200 outs() << "\t esh.flavor x86_EXCEPTION_STATE64\n";
8201 if (es.esh.count == MachO::x86_EXCEPTION_STATE64_COUNT)
8202 outs() << "\t esh.count x86_EXCEPTION_STATE64_COUNT\n";
8204 outs() << "\t esh.count " << es.esh.count
8205 << " (not x86_EXCEPTION_STATE64_COUNT\n";
8206 Print_x86_exception_state_t(es.ues.es64);
8208 outs() << "\t esh.flavor " << es.esh.flavor << " esh.count "
8209 << es.esh.count << "\n";
8212 outs() << " flavor " << flavor << " (unknown)\n";
8213 outs() << " count " << count << "\n";
8214 outs() << " state (unknown)\n";
8215 begin += count * sizeof(uint32_t);
8219 while (begin < end) {
8220 if (end - begin > (ptrdiff_t)sizeof(uint32_t)) {
8221 memcpy((char *)&flavor, begin, sizeof(uint32_t));
8222 begin += sizeof(uint32_t);
8227 if (isLittleEndian != sys::IsLittleEndianHost)
8228 sys::swapByteOrder(flavor);
8229 if (end - begin > (ptrdiff_t)sizeof(uint32_t)) {
8230 memcpy((char *)&count, begin, sizeof(uint32_t));
8231 begin += sizeof(uint32_t);
8236 if (isLittleEndian != sys::IsLittleEndianHost)
8237 sys::swapByteOrder(count);
8238 outs() << " flavor " << flavor << "\n";
8239 outs() << " count " << count << "\n";
8240 outs() << " state (Unknown cputype/cpusubtype)\n";
8241 begin += count * sizeof(uint32_t);
8246 static void PrintDylibCommand(MachO::dylib_command dl, const char *Ptr) {
8247 if (dl.cmd == MachO::LC_ID_DYLIB)
8248 outs() << " cmd LC_ID_DYLIB\n";
8249 else if (dl.cmd == MachO::LC_LOAD_DYLIB)
8250 outs() << " cmd LC_LOAD_DYLIB\n";
8251 else if (dl.cmd == MachO::LC_LOAD_WEAK_DYLIB)
8252 outs() << " cmd LC_LOAD_WEAK_DYLIB\n";
8253 else if (dl.cmd == MachO::LC_REEXPORT_DYLIB)
8254 outs() << " cmd LC_REEXPORT_DYLIB\n";
8255 else if (dl.cmd == MachO::LC_LAZY_LOAD_DYLIB)
8256 outs() << " cmd LC_LAZY_LOAD_DYLIB\n";
8257 else if (dl.cmd == MachO::LC_LOAD_UPWARD_DYLIB)
8258 outs() << " cmd LC_LOAD_UPWARD_DYLIB\n";
8260 outs() << " cmd " << dl.cmd << " (unknown)\n";
8261 outs() << " cmdsize " << dl.cmdsize;
8262 if (dl.cmdsize < sizeof(struct MachO::dylib_command))
8263 outs() << " Incorrect size\n";
8266 if (dl.dylib.name < dl.cmdsize) {
8267 const char *P = (const char *)(Ptr) + dl.dylib.name;
8268 outs() << " name " << P << " (offset " << dl.dylib.name << ")\n";
8270 outs() << " name ?(bad offset " << dl.dylib.name << ")\n";
8272 outs() << " time stamp " << dl.dylib.timestamp << " ";
8273 time_t t = dl.dylib.timestamp;
8274 outs() << ctime(&t);
8275 outs() << " current version ";
8276 if (dl.dylib.current_version == 0xffffffff)
8279 outs() << ((dl.dylib.current_version >> 16) & 0xffff) << "."
8280 << ((dl.dylib.current_version >> 8) & 0xff) << "."
8281 << (dl.dylib.current_version & 0xff) << "\n";
8282 outs() << "compatibility version ";
8283 if (dl.dylib.compatibility_version == 0xffffffff)
8286 outs() << ((dl.dylib.compatibility_version >> 16) & 0xffff) << "."
8287 << ((dl.dylib.compatibility_version >> 8) & 0xff) << "."
8288 << (dl.dylib.compatibility_version & 0xff) << "\n";
8291 static void PrintLinkEditDataCommand(MachO::linkedit_data_command ld,
8292 uint32_t object_size) {
8293 if (ld.cmd == MachO::LC_CODE_SIGNATURE)
8294 outs() << " cmd LC_FUNCTION_STARTS\n";
8295 else if (ld.cmd == MachO::LC_SEGMENT_SPLIT_INFO)
8296 outs() << " cmd LC_SEGMENT_SPLIT_INFO\n";
8297 else if (ld.cmd == MachO::LC_FUNCTION_STARTS)
8298 outs() << " cmd LC_FUNCTION_STARTS\n";
8299 else if (ld.cmd == MachO::LC_DATA_IN_CODE)
8300 outs() << " cmd LC_DATA_IN_CODE\n";
8301 else if (ld.cmd == MachO::LC_DYLIB_CODE_SIGN_DRS)
8302 outs() << " cmd LC_DYLIB_CODE_SIGN_DRS\n";
8303 else if (ld.cmd == MachO::LC_LINKER_OPTIMIZATION_HINT)
8304 outs() << " cmd LC_LINKER_OPTIMIZATION_HINT\n";
8306 outs() << " cmd " << ld.cmd << " (?)\n";
8307 outs() << " cmdsize " << ld.cmdsize;
8308 if (ld.cmdsize != sizeof(struct MachO::linkedit_data_command))
8309 outs() << " Incorrect size\n";
8312 outs() << " dataoff " << ld.dataoff;
8313 if (ld.dataoff > object_size)
8314 outs() << " (past end of file)\n";
8317 outs() << " datasize " << ld.datasize;
8318 uint64_t big_size = ld.dataoff;
8319 big_size += ld.datasize;
8320 if (big_size > object_size)
8321 outs() << " (past end of file)\n";
8326 static void PrintLoadCommands(const MachOObjectFile *Obj, uint32_t filetype,
8327 uint32_t cputype, bool verbose) {
8328 StringRef Buf = Obj->getData();
8330 for (const auto &Command : Obj->load_commands()) {
8331 outs() << "Load command " << Index++ << "\n";
8332 if (Command.C.cmd == MachO::LC_SEGMENT) {
8333 MachO::segment_command SLC = Obj->getSegmentLoadCommand(Command);
8334 const char *sg_segname = SLC.segname;
8335 PrintSegmentCommand(SLC.cmd, SLC.cmdsize, SLC.segname, SLC.vmaddr,
8336 SLC.vmsize, SLC.fileoff, SLC.filesize, SLC.maxprot,
8337 SLC.initprot, SLC.nsects, SLC.flags, Buf.size(),
8339 for (unsigned j = 0; j < SLC.nsects; j++) {
8340 MachO::section S = Obj->getSection(Command, j);
8341 PrintSection(S.sectname, S.segname, S.addr, S.size, S.offset, S.align,
8342 S.reloff, S.nreloc, S.flags, S.reserved1, S.reserved2,
8343 SLC.cmd, sg_segname, filetype, Buf.size(), verbose);
8345 } else if (Command.C.cmd == MachO::LC_SEGMENT_64) {
8346 MachO::segment_command_64 SLC_64 = Obj->getSegment64LoadCommand(Command);
8347 const char *sg_segname = SLC_64.segname;
8348 PrintSegmentCommand(SLC_64.cmd, SLC_64.cmdsize, SLC_64.segname,
8349 SLC_64.vmaddr, SLC_64.vmsize, SLC_64.fileoff,
8350 SLC_64.filesize, SLC_64.maxprot, SLC_64.initprot,
8351 SLC_64.nsects, SLC_64.flags, Buf.size(), verbose);
8352 for (unsigned j = 0; j < SLC_64.nsects; j++) {
8353 MachO::section_64 S_64 = Obj->getSection64(Command, j);
8354 PrintSection(S_64.sectname, S_64.segname, S_64.addr, S_64.size,
8355 S_64.offset, S_64.align, S_64.reloff, S_64.nreloc,
8356 S_64.flags, S_64.reserved1, S_64.reserved2, SLC_64.cmd,
8357 sg_segname, filetype, Buf.size(), verbose);
8359 } else if (Command.C.cmd == MachO::LC_SYMTAB) {
8360 MachO::symtab_command Symtab = Obj->getSymtabLoadCommand();
8361 PrintSymtabLoadCommand(Symtab, Obj->is64Bit(), Buf.size());
8362 } else if (Command.C.cmd == MachO::LC_DYSYMTAB) {
8363 MachO::dysymtab_command Dysymtab = Obj->getDysymtabLoadCommand();
8364 MachO::symtab_command Symtab = Obj->getSymtabLoadCommand();
8365 PrintDysymtabLoadCommand(Dysymtab, Symtab.nsyms, Buf.size(),
8367 } else if (Command.C.cmd == MachO::LC_DYLD_INFO ||
8368 Command.C.cmd == MachO::LC_DYLD_INFO_ONLY) {
8369 MachO::dyld_info_command DyldInfo = Obj->getDyldInfoLoadCommand(Command);
8370 PrintDyldInfoLoadCommand(DyldInfo, Buf.size());
8371 } else if (Command.C.cmd == MachO::LC_LOAD_DYLINKER ||
8372 Command.C.cmd == MachO::LC_ID_DYLINKER ||
8373 Command.C.cmd == MachO::LC_DYLD_ENVIRONMENT) {
8374 MachO::dylinker_command Dyld = Obj->getDylinkerCommand(Command);
8375 PrintDyldLoadCommand(Dyld, Command.Ptr);
8376 } else if (Command.C.cmd == MachO::LC_UUID) {
8377 MachO::uuid_command Uuid = Obj->getUuidCommand(Command);
8378 PrintUuidLoadCommand(Uuid);
8379 } else if (Command.C.cmd == MachO::LC_RPATH) {
8380 MachO::rpath_command Rpath = Obj->getRpathCommand(Command);
8381 PrintRpathLoadCommand(Rpath, Command.Ptr);
8382 } else if (Command.C.cmd == MachO::LC_VERSION_MIN_MACOSX ||
8383 Command.C.cmd == MachO::LC_VERSION_MIN_IPHONEOS ||
8384 Command.C.cmd == MachO::LC_VERSION_MIN_TVOS ||
8385 Command.C.cmd == MachO::LC_VERSION_MIN_WATCHOS) {
8386 MachO::version_min_command Vd = Obj->getVersionMinLoadCommand(Command);
8387 PrintVersionMinLoadCommand(Vd);
8388 } else if (Command.C.cmd == MachO::LC_SOURCE_VERSION) {
8389 MachO::source_version_command Sd = Obj->getSourceVersionCommand(Command);
8390 PrintSourceVersionCommand(Sd);
8391 } else if (Command.C.cmd == MachO::LC_MAIN) {
8392 MachO::entry_point_command Ep = Obj->getEntryPointCommand(Command);
8393 PrintEntryPointCommand(Ep);
8394 } else if (Command.C.cmd == MachO::LC_ENCRYPTION_INFO) {
8395 MachO::encryption_info_command Ei =
8396 Obj->getEncryptionInfoCommand(Command);
8397 PrintEncryptionInfoCommand(Ei, Buf.size());
8398 } else if (Command.C.cmd == MachO::LC_ENCRYPTION_INFO_64) {
8399 MachO::encryption_info_command_64 Ei =
8400 Obj->getEncryptionInfoCommand64(Command);
8401 PrintEncryptionInfoCommand64(Ei, Buf.size());
8402 } else if (Command.C.cmd == MachO::LC_LINKER_OPTION) {
8403 MachO::linker_option_command Lo =
8404 Obj->getLinkerOptionLoadCommand(Command);
8405 PrintLinkerOptionCommand(Lo, Command.Ptr);
8406 } else if (Command.C.cmd == MachO::LC_SUB_FRAMEWORK) {
8407 MachO::sub_framework_command Sf = Obj->getSubFrameworkCommand(Command);
8408 PrintSubFrameworkCommand(Sf, Command.Ptr);
8409 } else if (Command.C.cmd == MachO::LC_SUB_UMBRELLA) {
8410 MachO::sub_umbrella_command Sf = Obj->getSubUmbrellaCommand(Command);
8411 PrintSubUmbrellaCommand(Sf, Command.Ptr);
8412 } else if (Command.C.cmd == MachO::LC_SUB_LIBRARY) {
8413 MachO::sub_library_command Sl = Obj->getSubLibraryCommand(Command);
8414 PrintSubLibraryCommand(Sl, Command.Ptr);
8415 } else if (Command.C.cmd == MachO::LC_SUB_CLIENT) {
8416 MachO::sub_client_command Sc = Obj->getSubClientCommand(Command);
8417 PrintSubClientCommand(Sc, Command.Ptr);
8418 } else if (Command.C.cmd == MachO::LC_ROUTINES) {
8419 MachO::routines_command Rc = Obj->getRoutinesCommand(Command);
8420 PrintRoutinesCommand(Rc);
8421 } else if (Command.C.cmd == MachO::LC_ROUTINES_64) {
8422 MachO::routines_command_64 Rc = Obj->getRoutinesCommand64(Command);
8423 PrintRoutinesCommand64(Rc);
8424 } else if (Command.C.cmd == MachO::LC_THREAD ||
8425 Command.C.cmd == MachO::LC_UNIXTHREAD) {
8426 MachO::thread_command Tc = Obj->getThreadCommand(Command);
8427 PrintThreadCommand(Tc, Command.Ptr, Obj->isLittleEndian(), cputype);
8428 } else if (Command.C.cmd == MachO::LC_LOAD_DYLIB ||
8429 Command.C.cmd == MachO::LC_ID_DYLIB ||
8430 Command.C.cmd == MachO::LC_LOAD_WEAK_DYLIB ||
8431 Command.C.cmd == MachO::LC_REEXPORT_DYLIB ||
8432 Command.C.cmd == MachO::LC_LAZY_LOAD_DYLIB ||
8433 Command.C.cmd == MachO::LC_LOAD_UPWARD_DYLIB) {
8434 MachO::dylib_command Dl = Obj->getDylibIDLoadCommand(Command);
8435 PrintDylibCommand(Dl, Command.Ptr);
8436 } else if (Command.C.cmd == MachO::LC_CODE_SIGNATURE ||
8437 Command.C.cmd == MachO::LC_SEGMENT_SPLIT_INFO ||
8438 Command.C.cmd == MachO::LC_FUNCTION_STARTS ||
8439 Command.C.cmd == MachO::LC_DATA_IN_CODE ||
8440 Command.C.cmd == MachO::LC_DYLIB_CODE_SIGN_DRS ||
8441 Command.C.cmd == MachO::LC_LINKER_OPTIMIZATION_HINT) {
8442 MachO::linkedit_data_command Ld =
8443 Obj->getLinkeditDataLoadCommand(Command);
8444 PrintLinkEditDataCommand(Ld, Buf.size());
8446 outs() << " cmd ?(" << format("0x%08" PRIx32, Command.C.cmd)
8448 outs() << " cmdsize " << Command.C.cmdsize << "\n";
8449 // TODO: get and print the raw bytes of the load command.
8451 // TODO: print all the other kinds of load commands.
8455 static void getAndPrintMachHeader(const MachOObjectFile *Obj,
8456 uint32_t &filetype, uint32_t &cputype,
8458 if (Obj->is64Bit()) {
8459 MachO::mach_header_64 H_64;
8460 H_64 = Obj->getHeader64();
8461 PrintMachHeader(H_64.magic, H_64.cputype, H_64.cpusubtype, H_64.filetype,
8462 H_64.ncmds, H_64.sizeofcmds, H_64.flags, verbose);
8463 filetype = H_64.filetype;
8464 cputype = H_64.cputype;
8466 MachO::mach_header H;
8467 H = Obj->getHeader();
8468 PrintMachHeader(H.magic, H.cputype, H.cpusubtype, H.filetype, H.ncmds,
8469 H.sizeofcmds, H.flags, verbose);
8470 filetype = H.filetype;
8471 cputype = H.cputype;
8475 void llvm::printMachOFileHeader(const object::ObjectFile *Obj) {
8476 const MachOObjectFile *file = dyn_cast<const MachOObjectFile>(Obj);
8477 uint32_t filetype = 0;
8478 uint32_t cputype = 0;
8479 getAndPrintMachHeader(file, filetype, cputype, !NonVerbose);
8480 PrintLoadCommands(file, filetype, cputype, !NonVerbose);
8483 //===----------------------------------------------------------------------===//
8484 // export trie dumping
8485 //===----------------------------------------------------------------------===//
8487 void llvm::printMachOExportsTrie(const object::MachOObjectFile *Obj) {
8488 for (const llvm::object::ExportEntry &Entry : Obj->exports()) {
8489 uint64_t Flags = Entry.flags();
8490 bool ReExport = (Flags & MachO::EXPORT_SYMBOL_FLAGS_REEXPORT);
8491 bool WeakDef = (Flags & MachO::EXPORT_SYMBOL_FLAGS_WEAK_DEFINITION);
8492 bool ThreadLocal = ((Flags & MachO::EXPORT_SYMBOL_FLAGS_KIND_MASK) ==
8493 MachO::EXPORT_SYMBOL_FLAGS_KIND_THREAD_LOCAL);
8494 bool Abs = ((Flags & MachO::EXPORT_SYMBOL_FLAGS_KIND_MASK) ==
8495 MachO::EXPORT_SYMBOL_FLAGS_KIND_ABSOLUTE);
8496 bool Resolver = (Flags & MachO::EXPORT_SYMBOL_FLAGS_STUB_AND_RESOLVER);
8498 outs() << "[re-export] ";
8500 outs() << format("0x%08llX ",
8501 Entry.address()); // FIXME:add in base address
8502 outs() << Entry.name();
8503 if (WeakDef || ThreadLocal || Resolver || Abs) {
8504 bool NeedsComma = false;
8507 outs() << "weak_def";
8513 outs() << "per-thread";
8519 outs() << "absolute";
8525 outs() << format("resolver=0x%08llX", Entry.other());
8531 StringRef DylibName = "unknown";
8532 int Ordinal = Entry.other() - 1;
8533 Obj->getLibraryShortNameByIndex(Ordinal, DylibName);
8534 if (Entry.otherName().empty())
8535 outs() << " (from " << DylibName << ")";
8537 outs() << " (" << Entry.otherName() << " from " << DylibName << ")";
8543 //===----------------------------------------------------------------------===//
8544 // rebase table dumping
8545 //===----------------------------------------------------------------------===//
8550 SegInfo(const object::MachOObjectFile *Obj);
8552 StringRef segmentName(uint32_t SegIndex);
8553 StringRef sectionName(uint32_t SegIndex, uint64_t SegOffset);
8554 uint64_t address(uint32_t SegIndex, uint64_t SegOffset);
8555 bool isValidSegIndexAndOffset(uint32_t SegIndex, uint64_t SegOffset);
8558 struct SectionInfo {
8561 StringRef SectionName;
8562 StringRef SegmentName;
8563 uint64_t OffsetInSegment;
8564 uint64_t SegmentStartAddress;
8565 uint32_t SegmentIndex;
8567 const SectionInfo &findSection(uint32_t SegIndex, uint64_t SegOffset);
8568 SmallVector<SectionInfo, 32> Sections;
8572 SegInfo::SegInfo(const object::MachOObjectFile *Obj) {
8573 // Build table of sections so segIndex/offset pairs can be translated.
8574 uint32_t CurSegIndex = Obj->hasPageZeroSegment() ? 1 : 0;
8575 StringRef CurSegName;
8576 uint64_t CurSegAddress;
8577 for (const SectionRef &Section : Obj->sections()) {
8579 error(Section.getName(Info.SectionName));
8580 Info.Address = Section.getAddress();
8581 Info.Size = Section.getSize();
8583 Obj->getSectionFinalSegmentName(Section.getRawDataRefImpl());
8584 if (!Info.SegmentName.equals(CurSegName)) {
8586 CurSegName = Info.SegmentName;
8587 CurSegAddress = Info.Address;
8589 Info.SegmentIndex = CurSegIndex - 1;
8590 Info.OffsetInSegment = Info.Address - CurSegAddress;
8591 Info.SegmentStartAddress = CurSegAddress;
8592 Sections.push_back(Info);
8596 StringRef SegInfo::segmentName(uint32_t SegIndex) {
8597 for (const SectionInfo &SI : Sections) {
8598 if (SI.SegmentIndex == SegIndex)
8599 return SI.SegmentName;
8601 llvm_unreachable("invalid segIndex");
8604 bool SegInfo::isValidSegIndexAndOffset(uint32_t SegIndex,
8605 uint64_t OffsetInSeg) {
8606 for (const SectionInfo &SI : Sections) {
8607 if (SI.SegmentIndex != SegIndex)
8609 if (SI.OffsetInSegment > OffsetInSeg)
8611 if (OffsetInSeg >= (SI.OffsetInSegment + SI.Size))
8618 const SegInfo::SectionInfo &SegInfo::findSection(uint32_t SegIndex,
8619 uint64_t OffsetInSeg) {
8620 for (const SectionInfo &SI : Sections) {
8621 if (SI.SegmentIndex != SegIndex)
8623 if (SI.OffsetInSegment > OffsetInSeg)
8625 if (OffsetInSeg >= (SI.OffsetInSegment + SI.Size))
8629 llvm_unreachable("segIndex and offset not in any section");
8632 StringRef SegInfo::sectionName(uint32_t SegIndex, uint64_t OffsetInSeg) {
8633 return findSection(SegIndex, OffsetInSeg).SectionName;
8636 uint64_t SegInfo::address(uint32_t SegIndex, uint64_t OffsetInSeg) {
8637 const SectionInfo &SI = findSection(SegIndex, OffsetInSeg);
8638 return SI.SegmentStartAddress + OffsetInSeg;
8641 void llvm::printMachORebaseTable(const object::MachOObjectFile *Obj) {
8642 // Build table of sections so names can used in final output.
8643 SegInfo sectionTable(Obj);
8645 outs() << "segment section address type\n";
8646 for (const llvm::object::MachORebaseEntry &Entry : Obj->rebaseTable()) {
8647 uint32_t SegIndex = Entry.segmentIndex();
8648 uint64_t OffsetInSeg = Entry.segmentOffset();
8649 StringRef SegmentName = sectionTable.segmentName(SegIndex);
8650 StringRef SectionName = sectionTable.sectionName(SegIndex, OffsetInSeg);
8651 uint64_t Address = sectionTable.address(SegIndex, OffsetInSeg);
8653 // Table lines look like: __DATA __nl_symbol_ptr 0x0000F00C pointer
8654 outs() << format("%-8s %-18s 0x%08" PRIX64 " %s\n",
8655 SegmentName.str().c_str(), SectionName.str().c_str(),
8656 Address, Entry.typeName().str().c_str());
8660 static StringRef ordinalName(const object::MachOObjectFile *Obj, int Ordinal) {
8661 StringRef DylibName;
8663 case MachO::BIND_SPECIAL_DYLIB_SELF:
8664 return "this-image";
8665 case MachO::BIND_SPECIAL_DYLIB_MAIN_EXECUTABLE:
8666 return "main-executable";
8667 case MachO::BIND_SPECIAL_DYLIB_FLAT_LOOKUP:
8668 return "flat-namespace";
8671 std::error_code EC =
8672 Obj->getLibraryShortNameByIndex(Ordinal - 1, DylibName);
8674 return "<<bad library ordinal>>";
8678 return "<<unknown special ordinal>>";
8681 //===----------------------------------------------------------------------===//
8682 // bind table dumping
8683 //===----------------------------------------------------------------------===//
8685 void llvm::printMachOBindTable(const object::MachOObjectFile *Obj) {
8686 // Build table of sections so names can used in final output.
8687 SegInfo sectionTable(Obj);
8689 outs() << "segment section address type "
8690 "addend dylib symbol\n";
8691 for (const llvm::object::MachOBindEntry &Entry : Obj->bindTable()) {
8692 uint32_t SegIndex = Entry.segmentIndex();
8693 uint64_t OffsetInSeg = Entry.segmentOffset();
8694 StringRef SegmentName = sectionTable.segmentName(SegIndex);
8695 StringRef SectionName = sectionTable.sectionName(SegIndex, OffsetInSeg);
8696 uint64_t Address = sectionTable.address(SegIndex, OffsetInSeg);
8698 // Table lines look like:
8699 // __DATA __got 0x00012010 pointer 0 libSystem ___stack_chk_guard
8701 if (Entry.flags() & MachO::BIND_SYMBOL_FLAGS_WEAK_IMPORT)
8702 Attr = " (weak_import)";
8703 outs() << left_justify(SegmentName, 8) << " "
8704 << left_justify(SectionName, 18) << " "
8705 << format_hex(Address, 10, true) << " "
8706 << left_justify(Entry.typeName(), 8) << " "
8707 << format_decimal(Entry.addend(), 8) << " "
8708 << left_justify(ordinalName(Obj, Entry.ordinal()), 16) << " "
8709 << Entry.symbolName() << Attr << "\n";
8713 //===----------------------------------------------------------------------===//
8714 // lazy bind table dumping
8715 //===----------------------------------------------------------------------===//
8717 void llvm::printMachOLazyBindTable(const object::MachOObjectFile *Obj) {
8718 // Build table of sections so names can used in final output.
8719 SegInfo sectionTable(Obj);
8721 outs() << "segment section address "
8723 for (const llvm::object::MachOBindEntry &Entry : Obj->lazyBindTable()) {
8724 uint32_t SegIndex = Entry.segmentIndex();
8725 uint64_t OffsetInSeg = Entry.segmentOffset();
8726 StringRef SegmentName = sectionTable.segmentName(SegIndex);
8727 StringRef SectionName = sectionTable.sectionName(SegIndex, OffsetInSeg);
8728 uint64_t Address = sectionTable.address(SegIndex, OffsetInSeg);
8730 // Table lines look like:
8731 // __DATA __got 0x00012010 libSystem ___stack_chk_guard
8732 outs() << left_justify(SegmentName, 8) << " "
8733 << left_justify(SectionName, 18) << " "
8734 << format_hex(Address, 10, true) << " "
8735 << left_justify(ordinalName(Obj, Entry.ordinal()), 16) << " "
8736 << Entry.symbolName() << "\n";
8740 //===----------------------------------------------------------------------===//
8741 // weak bind table dumping
8742 //===----------------------------------------------------------------------===//
8744 void llvm::printMachOWeakBindTable(const object::MachOObjectFile *Obj) {
8745 // Build table of sections so names can used in final output.
8746 SegInfo sectionTable(Obj);
8748 outs() << "segment section address "
8749 "type addend symbol\n";
8750 for (const llvm::object::MachOBindEntry &Entry : Obj->weakBindTable()) {
8751 // Strong symbols don't have a location to update.
8752 if (Entry.flags() & MachO::BIND_SYMBOL_FLAGS_NON_WEAK_DEFINITION) {
8753 outs() << " strong "
8754 << Entry.symbolName() << "\n";
8757 uint32_t SegIndex = Entry.segmentIndex();
8758 uint64_t OffsetInSeg = Entry.segmentOffset();
8759 StringRef SegmentName = sectionTable.segmentName(SegIndex);
8760 StringRef SectionName = sectionTable.sectionName(SegIndex, OffsetInSeg);
8761 uint64_t Address = sectionTable.address(SegIndex, OffsetInSeg);
8763 // Table lines look like:
8764 // __DATA __data 0x00001000 pointer 0 _foo
8765 outs() << left_justify(SegmentName, 8) << " "
8766 << left_justify(SectionName, 18) << " "
8767 << format_hex(Address, 10, true) << " "
8768 << left_justify(Entry.typeName(), 8) << " "
8769 << format_decimal(Entry.addend(), 8) << " " << Entry.symbolName()
8774 // get_dyld_bind_info_symbolname() is used for disassembly and passed an
8775 // address, ReferenceValue, in the Mach-O file and looks in the dyld bind
8776 // information for that address. If the address is found its binding symbol
8777 // name is returned. If not nullptr is returned.
8778 static const char *get_dyld_bind_info_symbolname(uint64_t ReferenceValue,
8779 struct DisassembleInfo *info) {
8780 if (info->bindtable == nullptr) {
8781 info->bindtable = new (BindTable);
8782 SegInfo sectionTable(info->O);
8783 for (const llvm::object::MachOBindEntry &Entry : info->O->bindTable()) {
8784 uint32_t SegIndex = Entry.segmentIndex();
8785 uint64_t OffsetInSeg = Entry.segmentOffset();
8786 if (!sectionTable.isValidSegIndexAndOffset(SegIndex, OffsetInSeg))
8788 uint64_t Address = sectionTable.address(SegIndex, OffsetInSeg);
8789 const char *SymbolName = nullptr;
8790 StringRef name = Entry.symbolName();
8792 SymbolName = name.data();
8793 info->bindtable->push_back(std::make_pair(Address, SymbolName));
8796 for (bind_table_iterator BI = info->bindtable->begin(),
8797 BE = info->bindtable->end();
8799 uint64_t Address = BI->first;
8800 if (ReferenceValue == Address) {
8801 const char *SymbolName = BI->second;