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/Optional.h"
17 #include "llvm/ADT/STLExtras.h"
18 #include "llvm/ADT/StringExtras.h"
19 #include "llvm/ADT/Triple.h"
20 #include "llvm/Config/config.h"
21 #include "llvm/DebugInfo/DIContext.h"
22 #include "llvm/DebugInfo/DWARF/DWARFContext.h"
23 #include "llvm/MC/MCAsmInfo.h"
24 #include "llvm/MC/MCContext.h"
25 #include "llvm/MC/MCDisassembler.h"
26 #include "llvm/MC/MCInst.h"
27 #include "llvm/MC/MCInstPrinter.h"
28 #include "llvm/MC/MCInstrDesc.h"
29 #include "llvm/MC/MCInstrInfo.h"
30 #include "llvm/MC/MCRegisterInfo.h"
31 #include "llvm/MC/MCSubtargetInfo.h"
32 #include "llvm/Object/MachO.h"
33 #include "llvm/Object/MachOUniversal.h"
34 #include "llvm/Support/Casting.h"
35 #include "llvm/Support/CommandLine.h"
36 #include "llvm/Support/Debug.h"
37 #include "llvm/Support/Endian.h"
38 #include "llvm/Support/Format.h"
39 #include "llvm/Support/FormattedStream.h"
40 #include "llvm/Support/GraphWriter.h"
41 #include "llvm/Support/LEB128.h"
42 #include "llvm/Support/MachO.h"
43 #include "llvm/Support/MemoryBuffer.h"
44 #include "llvm/Support/TargetRegistry.h"
45 #include "llvm/Support/TargetSelect.h"
46 #include "llvm/Support/raw_ostream.h"
49 #include <system_error>
56 using namespace object;
60 cl::desc("Print line information from debug info if available"));
62 static cl::opt<std::string> DSYMFile("dsym",
63 cl::desc("Use .dSYM file for debug info"));
65 static cl::opt<bool> FullLeadingAddr("full-leading-addr",
66 cl::desc("Print full leading address"));
68 static cl::opt<bool> NoLeadingAddr("no-leading-addr",
69 cl::desc("Print no leading address"));
71 cl::opt<bool> llvm::UniversalHeaders("universal-headers",
72 cl::desc("Print Mach-O universal headers "
73 "(requires -macho)"));
76 llvm::ArchiveHeaders("archive-headers",
77 cl::desc("Print archive headers for Mach-O archives "
78 "(requires -macho)"));
81 ArchiveMemberOffsets("archive-member-offsets",
82 cl::desc("Print the offset to each archive member for "
83 "Mach-O archives (requires -macho and "
84 "-archive-headers)"));
87 llvm::IndirectSymbols("indirect-symbols",
88 cl::desc("Print indirect symbol table for Mach-O "
89 "objects (requires -macho)"));
92 llvm::DataInCode("data-in-code",
93 cl::desc("Print the data in code table for Mach-O objects "
94 "(requires -macho)"));
97 llvm::LinkOptHints("link-opt-hints",
98 cl::desc("Print the linker optimization hints for "
99 "Mach-O objects (requires -macho)"));
102 llvm::InfoPlist("info-plist",
103 cl::desc("Print the info plist section as strings for "
104 "Mach-O objects (requires -macho)"));
107 llvm::DylibsUsed("dylibs-used",
108 cl::desc("Print the shared libraries used for linked "
109 "Mach-O files (requires -macho)"));
112 llvm::DylibId("dylib-id",
113 cl::desc("Print the shared library's id for the dylib Mach-O "
114 "file (requires -macho)"));
117 llvm::NonVerbose("non-verbose",
118 cl::desc("Print the info for Mach-O objects in "
119 "non-verbose or numeric form (requires -macho)"));
122 llvm::ObjcMetaData("objc-meta-data",
123 cl::desc("Print the Objective-C runtime meta data for "
124 "Mach-O files (requires -macho)"));
126 cl::opt<std::string> llvm::DisSymName(
128 cl::desc("disassemble just this symbol's instructions (requires -macho"));
130 static cl::opt<bool> NoSymbolicOperands(
131 "no-symbolic-operands",
132 cl::desc("do not symbolic operands when disassembling (requires -macho)"));
134 static cl::list<std::string>
135 ArchFlags("arch", cl::desc("architecture(s) from a Mach-O file to dump"),
138 bool ArchAll = false;
140 static std::string ThumbTripleName;
142 static const Target *GetTarget(const MachOObjectFile *MachOObj,
143 const char **McpuDefault,
144 const Target **ThumbTarget) {
145 // Figure out the target triple.
146 if (TripleName.empty()) {
147 llvm::Triple TT("unknown-unknown-unknown");
148 llvm::Triple ThumbTriple = Triple();
149 TT = MachOObj->getArch(McpuDefault, &ThumbTriple);
150 TripleName = TT.str();
151 ThumbTripleName = ThumbTriple.str();
154 // Get the target specific parser.
156 const Target *TheTarget = TargetRegistry::lookupTarget(TripleName, Error);
157 if (TheTarget && ThumbTripleName.empty())
160 *ThumbTarget = TargetRegistry::lookupTarget(ThumbTripleName, Error);
164 errs() << "llvm-objdump: error: unable to get target for '";
166 errs() << TripleName;
168 errs() << ThumbTripleName;
169 errs() << "', see --version and --triple.\n";
173 struct SymbolSorter {
174 bool operator()(const SymbolRef &A, const SymbolRef &B) {
175 uint64_t AAddr = (A.getType() != SymbolRef::ST_Function) ? 0 : A.getValue();
176 uint64_t BAddr = (B.getType() != SymbolRef::ST_Function) ? 0 : B.getValue();
177 return AAddr < BAddr;
181 // Types for the storted data in code table that is built before disassembly
182 // and the predicate function to sort them.
183 typedef std::pair<uint64_t, DiceRef> DiceTableEntry;
184 typedef std::vector<DiceTableEntry> DiceTable;
185 typedef DiceTable::iterator dice_table_iterator;
187 // This is used to search for a data in code table entry for the PC being
188 // disassembled. The j parameter has the PC in j.first. A single data in code
189 // table entry can cover many bytes for each of its Kind's. So if the offset,
190 // aka the i.first value, of the data in code table entry plus its Length
191 // covers the PC being searched for this will return true. If not it will
193 static bool compareDiceTableEntries(const DiceTableEntry &i,
194 const DiceTableEntry &j) {
196 i.second.getLength(Length);
198 return j.first >= i.first && j.first < i.first + Length;
201 static uint64_t DumpDataInCode(const uint8_t *bytes, uint64_t Length,
202 unsigned short Kind) {
203 uint32_t Value, Size = 1;
207 case MachO::DICE_KIND_DATA:
210 dumpBytes(makeArrayRef(bytes, 4), outs());
211 Value = bytes[3] << 24 | bytes[2] << 16 | bytes[1] << 8 | bytes[0];
212 outs() << "\t.long " << Value;
214 } else if (Length >= 2) {
216 dumpBytes(makeArrayRef(bytes, 2), outs());
217 Value = bytes[1] << 8 | bytes[0];
218 outs() << "\t.short " << Value;
222 dumpBytes(makeArrayRef(bytes, 2), outs());
224 outs() << "\t.byte " << Value;
227 if (Kind == MachO::DICE_KIND_DATA)
228 outs() << "\t@ KIND_DATA\n";
230 outs() << "\t@ data in code kind = " << Kind << "\n";
232 case MachO::DICE_KIND_JUMP_TABLE8:
234 dumpBytes(makeArrayRef(bytes, 1), outs());
236 outs() << "\t.byte " << format("%3u", Value) << "\t@ KIND_JUMP_TABLE8\n";
239 case MachO::DICE_KIND_JUMP_TABLE16:
241 dumpBytes(makeArrayRef(bytes, 2), outs());
242 Value = bytes[1] << 8 | bytes[0];
243 outs() << "\t.short " << format("%5u", Value & 0xffff)
244 << "\t@ KIND_JUMP_TABLE16\n";
247 case MachO::DICE_KIND_JUMP_TABLE32:
248 case MachO::DICE_KIND_ABS_JUMP_TABLE32:
250 dumpBytes(makeArrayRef(bytes, 4), outs());
251 Value = bytes[3] << 24 | bytes[2] << 16 | bytes[1] << 8 | bytes[0];
252 outs() << "\t.long " << Value;
253 if (Kind == MachO::DICE_KIND_JUMP_TABLE32)
254 outs() << "\t@ KIND_JUMP_TABLE32\n";
256 outs() << "\t@ KIND_ABS_JUMP_TABLE32\n";
263 static void getSectionsAndSymbols(MachOObjectFile *MachOObj,
264 std::vector<SectionRef> &Sections,
265 std::vector<SymbolRef> &Symbols,
266 SmallVectorImpl<uint64_t> &FoundFns,
267 uint64_t &BaseSegmentAddress) {
268 for (const SymbolRef &Symbol : MachOObj->symbols()) {
269 ErrorOr<StringRef> SymName = Symbol.getName();
270 if (std::error_code EC = SymName.getError())
271 report_fatal_error(EC.message());
272 if (!SymName->startswith("ltmp"))
273 Symbols.push_back(Symbol);
276 for (const SectionRef &Section : MachOObj->sections()) {
278 Section.getName(SectName);
279 Sections.push_back(Section);
282 bool BaseSegmentAddressSet = false;
283 for (const auto &Command : MachOObj->load_commands()) {
284 if (Command.C.cmd == MachO::LC_FUNCTION_STARTS) {
285 // We found a function starts segment, parse the addresses for later
287 MachO::linkedit_data_command LLC =
288 MachOObj->getLinkeditDataLoadCommand(Command);
290 MachOObj->ReadULEB128s(LLC.dataoff, FoundFns);
291 } else if (Command.C.cmd == MachO::LC_SEGMENT) {
292 MachO::segment_command SLC = MachOObj->getSegmentLoadCommand(Command);
293 StringRef SegName = SLC.segname;
294 if (!BaseSegmentAddressSet && SegName != "__PAGEZERO") {
295 BaseSegmentAddressSet = true;
296 BaseSegmentAddress = SLC.vmaddr;
302 static void PrintIndirectSymbolTable(MachOObjectFile *O, bool verbose,
303 uint32_t n, uint32_t count,
304 uint32_t stride, uint64_t addr) {
305 MachO::dysymtab_command Dysymtab = O->getDysymtabLoadCommand();
306 uint32_t nindirectsyms = Dysymtab.nindirectsyms;
307 if (n > nindirectsyms)
308 outs() << " (entries start past the end of the indirect symbol "
309 "table) (reserved1 field greater than the table size)";
310 else if (n + count > nindirectsyms)
311 outs() << " (entries extends past the end of the indirect symbol "
314 uint32_t cputype = O->getHeader().cputype;
315 if (cputype & MachO::CPU_ARCH_ABI64)
316 outs() << "address index";
318 outs() << "address index";
323 for (uint32_t j = 0; j < count && n + j < nindirectsyms; j++) {
324 if (cputype & MachO::CPU_ARCH_ABI64)
325 outs() << format("0x%016" PRIx64, addr + j * stride) << " ";
327 outs() << format("0x%08" PRIx32, addr + j * stride) << " ";
328 MachO::dysymtab_command Dysymtab = O->getDysymtabLoadCommand();
329 uint32_t indirect_symbol = O->getIndirectSymbolTableEntry(Dysymtab, n + j);
330 if (indirect_symbol == MachO::INDIRECT_SYMBOL_LOCAL) {
334 if (indirect_symbol ==
335 (MachO::INDIRECT_SYMBOL_LOCAL | MachO::INDIRECT_SYMBOL_ABS)) {
336 outs() << "LOCAL ABSOLUTE\n";
339 if (indirect_symbol == MachO::INDIRECT_SYMBOL_ABS) {
340 outs() << "ABSOLUTE\n";
343 outs() << format("%5u ", indirect_symbol);
345 MachO::symtab_command Symtab = O->getSymtabLoadCommand();
346 if (indirect_symbol < Symtab.nsyms) {
347 symbol_iterator Sym = O->getSymbolByIndex(indirect_symbol);
348 SymbolRef Symbol = *Sym;
349 ErrorOr<StringRef> SymName = Symbol.getName();
350 if (std::error_code EC = SymName.getError())
351 report_fatal_error(EC.message());
361 static void PrintIndirectSymbols(MachOObjectFile *O, bool verbose) {
362 for (const auto &Load : O->load_commands()) {
363 if (Load.C.cmd == MachO::LC_SEGMENT_64) {
364 MachO::segment_command_64 Seg = O->getSegment64LoadCommand(Load);
365 for (unsigned J = 0; J < Seg.nsects; ++J) {
366 MachO::section_64 Sec = O->getSection64(Load, J);
367 uint32_t section_type = Sec.flags & MachO::SECTION_TYPE;
368 if (section_type == MachO::S_NON_LAZY_SYMBOL_POINTERS ||
369 section_type == MachO::S_LAZY_SYMBOL_POINTERS ||
370 section_type == MachO::S_LAZY_DYLIB_SYMBOL_POINTERS ||
371 section_type == MachO::S_THREAD_LOCAL_VARIABLE_POINTERS ||
372 section_type == MachO::S_SYMBOL_STUBS) {
374 if (section_type == MachO::S_SYMBOL_STUBS)
375 stride = Sec.reserved2;
379 outs() << "Can't print indirect symbols for (" << Sec.segname << ","
380 << Sec.sectname << ") "
381 << "(size of stubs in reserved2 field is zero)\n";
384 uint32_t count = Sec.size / stride;
385 outs() << "Indirect symbols for (" << Sec.segname << ","
386 << Sec.sectname << ") " << count << " entries";
387 uint32_t n = Sec.reserved1;
388 PrintIndirectSymbolTable(O, verbose, n, count, stride, Sec.addr);
391 } else if (Load.C.cmd == MachO::LC_SEGMENT) {
392 MachO::segment_command Seg = O->getSegmentLoadCommand(Load);
393 for (unsigned J = 0; J < Seg.nsects; ++J) {
394 MachO::section Sec = O->getSection(Load, J);
395 uint32_t section_type = Sec.flags & MachO::SECTION_TYPE;
396 if (section_type == MachO::S_NON_LAZY_SYMBOL_POINTERS ||
397 section_type == MachO::S_LAZY_SYMBOL_POINTERS ||
398 section_type == MachO::S_LAZY_DYLIB_SYMBOL_POINTERS ||
399 section_type == MachO::S_THREAD_LOCAL_VARIABLE_POINTERS ||
400 section_type == MachO::S_SYMBOL_STUBS) {
402 if (section_type == MachO::S_SYMBOL_STUBS)
403 stride = Sec.reserved2;
407 outs() << "Can't print indirect symbols for (" << Sec.segname << ","
408 << Sec.sectname << ") "
409 << "(size of stubs in reserved2 field is zero)\n";
412 uint32_t count = Sec.size / stride;
413 outs() << "Indirect symbols for (" << Sec.segname << ","
414 << Sec.sectname << ") " << count << " entries";
415 uint32_t n = Sec.reserved1;
416 PrintIndirectSymbolTable(O, verbose, n, count, stride, Sec.addr);
423 static void PrintDataInCodeTable(MachOObjectFile *O, bool verbose) {
424 MachO::linkedit_data_command DIC = O->getDataInCodeLoadCommand();
425 uint32_t nentries = DIC.datasize / sizeof(struct MachO::data_in_code_entry);
426 outs() << "Data in code table (" << nentries << " entries)\n";
427 outs() << "offset length kind\n";
428 for (dice_iterator DI = O->begin_dices(), DE = O->end_dices(); DI != DE;
431 DI->getOffset(Offset);
432 outs() << format("0x%08" PRIx32, Offset) << " ";
434 DI->getLength(Length);
435 outs() << format("%6u", Length) << " ";
440 case MachO::DICE_KIND_DATA:
443 case MachO::DICE_KIND_JUMP_TABLE8:
444 outs() << "JUMP_TABLE8";
446 case MachO::DICE_KIND_JUMP_TABLE16:
447 outs() << "JUMP_TABLE16";
449 case MachO::DICE_KIND_JUMP_TABLE32:
450 outs() << "JUMP_TABLE32";
452 case MachO::DICE_KIND_ABS_JUMP_TABLE32:
453 outs() << "ABS_JUMP_TABLE32";
456 outs() << format("0x%04" PRIx32, Kind);
460 outs() << format("0x%04" PRIx32, Kind);
465 static void PrintLinkOptHints(MachOObjectFile *O) {
466 MachO::linkedit_data_command LohLC = O->getLinkOptHintsLoadCommand();
467 const char *loh = O->getData().substr(LohLC.dataoff, 1).data();
468 uint32_t nloh = LohLC.datasize;
469 outs() << "Linker optimiztion hints (" << nloh << " total bytes)\n";
470 for (uint32_t i = 0; i < nloh;) {
472 uint64_t identifier = decodeULEB128((const uint8_t *)(loh + i), &n);
474 outs() << " identifier " << identifier << " ";
477 switch (identifier) {
479 outs() << "AdrpAdrp\n";
482 outs() << "AdrpLdr\n";
485 outs() << "AdrpAddLdr\n";
488 outs() << "AdrpLdrGotLdr\n";
491 outs() << "AdrpAddStr\n";
494 outs() << "AdrpLdrGotStr\n";
497 outs() << "AdrpAdd\n";
500 outs() << "AdrpLdrGot\n";
503 outs() << "Unknown identifier value\n";
506 uint64_t narguments = decodeULEB128((const uint8_t *)(loh + i), &n);
508 outs() << " narguments " << narguments << "\n";
512 for (uint32_t j = 0; j < narguments; j++) {
513 uint64_t value = decodeULEB128((const uint8_t *)(loh + i), &n);
515 outs() << "\tvalue " << format("0x%" PRIx64, value) << "\n";
522 static void PrintDylibs(MachOObjectFile *O, bool JustId) {
524 for (const auto &Load : O->load_commands()) {
525 if ((JustId && Load.C.cmd == MachO::LC_ID_DYLIB) ||
526 (!JustId && (Load.C.cmd == MachO::LC_ID_DYLIB ||
527 Load.C.cmd == MachO::LC_LOAD_DYLIB ||
528 Load.C.cmd == MachO::LC_LOAD_WEAK_DYLIB ||
529 Load.C.cmd == MachO::LC_REEXPORT_DYLIB ||
530 Load.C.cmd == MachO::LC_LAZY_LOAD_DYLIB ||
531 Load.C.cmd == MachO::LC_LOAD_UPWARD_DYLIB))) {
532 MachO::dylib_command dl = O->getDylibIDLoadCommand(Load);
533 if (dl.dylib.name < dl.cmdsize) {
534 const char *p = (const char *)(Load.Ptr) + dl.dylib.name;
539 outs() << " (compatibility version "
540 << ((dl.dylib.compatibility_version >> 16) & 0xffff) << "."
541 << ((dl.dylib.compatibility_version >> 8) & 0xff) << "."
542 << (dl.dylib.compatibility_version & 0xff) << ",";
543 outs() << " current version "
544 << ((dl.dylib.current_version >> 16) & 0xffff) << "."
545 << ((dl.dylib.current_version >> 8) & 0xff) << "."
546 << (dl.dylib.current_version & 0xff) << ")\n";
549 outs() << "\tBad offset (" << dl.dylib.name << ") for name of ";
550 if (Load.C.cmd == MachO::LC_ID_DYLIB)
551 outs() << "LC_ID_DYLIB ";
552 else if (Load.C.cmd == MachO::LC_LOAD_DYLIB)
553 outs() << "LC_LOAD_DYLIB ";
554 else if (Load.C.cmd == MachO::LC_LOAD_WEAK_DYLIB)
555 outs() << "LC_LOAD_WEAK_DYLIB ";
556 else if (Load.C.cmd == MachO::LC_LAZY_LOAD_DYLIB)
557 outs() << "LC_LAZY_LOAD_DYLIB ";
558 else if (Load.C.cmd == MachO::LC_REEXPORT_DYLIB)
559 outs() << "LC_REEXPORT_DYLIB ";
560 else if (Load.C.cmd == MachO::LC_LOAD_UPWARD_DYLIB)
561 outs() << "LC_LOAD_UPWARD_DYLIB ";
564 outs() << "command " << Index++ << "\n";
570 typedef DenseMap<uint64_t, StringRef> SymbolAddressMap;
572 static void CreateSymbolAddressMap(MachOObjectFile *O,
573 SymbolAddressMap *AddrMap) {
574 // Create a map of symbol addresses to symbol names.
575 for (const SymbolRef &Symbol : O->symbols()) {
576 SymbolRef::Type ST = Symbol.getType();
577 if (ST == SymbolRef::ST_Function || ST == SymbolRef::ST_Data ||
578 ST == SymbolRef::ST_Other) {
579 uint64_t Address = Symbol.getValue();
580 ErrorOr<StringRef> SymNameOrErr = Symbol.getName();
581 if (std::error_code EC = SymNameOrErr.getError())
582 report_fatal_error(EC.message());
583 StringRef SymName = *SymNameOrErr;
584 if (!SymName.startswith(".objc"))
585 (*AddrMap)[Address] = SymName;
590 // GuessSymbolName is passed the address of what might be a symbol and a
591 // pointer to the SymbolAddressMap. It returns the name of a symbol
592 // with that address or nullptr if no symbol is found with that address.
593 static const char *GuessSymbolName(uint64_t value, SymbolAddressMap *AddrMap) {
594 const char *SymbolName = nullptr;
595 // A DenseMap can't lookup up some values.
596 if (value != 0xffffffffffffffffULL && value != 0xfffffffffffffffeULL) {
597 StringRef name = AddrMap->lookup(value);
599 SymbolName = name.data();
604 static void DumpCstringChar(const char c) {
608 outs().write_escaped(p);
611 static void DumpCstringSection(MachOObjectFile *O, const char *sect,
612 uint32_t sect_size, uint64_t sect_addr,
613 bool print_addresses) {
614 for (uint32_t i = 0; i < sect_size; i++) {
615 if (print_addresses) {
617 outs() << format("%016" PRIx64, sect_addr + i) << " ";
619 outs() << format("%08" PRIx64, sect_addr + i) << " ";
621 for (; i < sect_size && sect[i] != '\0'; i++)
622 DumpCstringChar(sect[i]);
623 if (i < sect_size && sect[i] == '\0')
628 static void DumpLiteral4(uint32_t l, float f) {
629 outs() << format("0x%08" PRIx32, l);
630 if ((l & 0x7f800000) != 0x7f800000)
631 outs() << format(" (%.16e)\n", f);
634 outs() << " (+Infinity)\n";
635 else if (l == 0xff800000)
636 outs() << " (-Infinity)\n";
637 else if ((l & 0x00400000) == 0x00400000)
638 outs() << " (non-signaling Not-a-Number)\n";
640 outs() << " (signaling Not-a-Number)\n";
644 static void DumpLiteral4Section(MachOObjectFile *O, const char *sect,
645 uint32_t sect_size, uint64_t sect_addr,
646 bool print_addresses) {
647 for (uint32_t i = 0; i < sect_size; i += sizeof(float)) {
648 if (print_addresses) {
650 outs() << format("%016" PRIx64, sect_addr + i) << " ";
652 outs() << format("%08" PRIx64, sect_addr + i) << " ";
655 memcpy(&f, sect + i, sizeof(float));
656 if (O->isLittleEndian() != sys::IsLittleEndianHost)
657 sys::swapByteOrder(f);
659 memcpy(&l, sect + i, sizeof(uint32_t));
660 if (O->isLittleEndian() != sys::IsLittleEndianHost)
661 sys::swapByteOrder(l);
666 static void DumpLiteral8(MachOObjectFile *O, uint32_t l0, uint32_t l1,
668 outs() << format("0x%08" PRIx32, l0) << " " << format("0x%08" PRIx32, l1);
670 Hi = (O->isLittleEndian()) ? l1 : l0;
671 Lo = (O->isLittleEndian()) ? l0 : l1;
673 // Hi is the high word, so this is equivalent to if(isfinite(d))
674 if ((Hi & 0x7ff00000) != 0x7ff00000)
675 outs() << format(" (%.16e)\n", d);
677 if (Hi == 0x7ff00000 && Lo == 0)
678 outs() << " (+Infinity)\n";
679 else if (Hi == 0xfff00000 && Lo == 0)
680 outs() << " (-Infinity)\n";
681 else if ((Hi & 0x00080000) == 0x00080000)
682 outs() << " (non-signaling Not-a-Number)\n";
684 outs() << " (signaling Not-a-Number)\n";
688 static void DumpLiteral8Section(MachOObjectFile *O, const char *sect,
689 uint32_t sect_size, uint64_t sect_addr,
690 bool print_addresses) {
691 for (uint32_t i = 0; i < sect_size; i += sizeof(double)) {
692 if (print_addresses) {
694 outs() << format("%016" PRIx64, sect_addr + i) << " ";
696 outs() << format("%08" PRIx64, sect_addr + i) << " ";
699 memcpy(&d, sect + i, sizeof(double));
700 if (O->isLittleEndian() != sys::IsLittleEndianHost)
701 sys::swapByteOrder(d);
703 memcpy(&l0, sect + i, sizeof(uint32_t));
704 memcpy(&l1, sect + i + sizeof(uint32_t), sizeof(uint32_t));
705 if (O->isLittleEndian() != sys::IsLittleEndianHost) {
706 sys::swapByteOrder(l0);
707 sys::swapByteOrder(l1);
709 DumpLiteral8(O, l0, l1, d);
713 static void DumpLiteral16(uint32_t l0, uint32_t l1, uint32_t l2, uint32_t l3) {
714 outs() << format("0x%08" PRIx32, l0) << " ";
715 outs() << format("0x%08" PRIx32, l1) << " ";
716 outs() << format("0x%08" PRIx32, l2) << " ";
717 outs() << format("0x%08" PRIx32, l3) << "\n";
720 static void DumpLiteral16Section(MachOObjectFile *O, const char *sect,
721 uint32_t sect_size, uint64_t sect_addr,
722 bool print_addresses) {
723 for (uint32_t i = 0; i < sect_size; i += 16) {
724 if (print_addresses) {
726 outs() << format("%016" PRIx64, sect_addr + i) << " ";
728 outs() << format("%08" PRIx64, sect_addr + i) << " ";
730 uint32_t l0, l1, l2, l3;
731 memcpy(&l0, sect + i, sizeof(uint32_t));
732 memcpy(&l1, sect + i + sizeof(uint32_t), sizeof(uint32_t));
733 memcpy(&l2, sect + i + 2 * sizeof(uint32_t), sizeof(uint32_t));
734 memcpy(&l3, sect + i + 3 * sizeof(uint32_t), sizeof(uint32_t));
735 if (O->isLittleEndian() != sys::IsLittleEndianHost) {
736 sys::swapByteOrder(l0);
737 sys::swapByteOrder(l1);
738 sys::swapByteOrder(l2);
739 sys::swapByteOrder(l3);
741 DumpLiteral16(l0, l1, l2, l3);
745 static void DumpLiteralPointerSection(MachOObjectFile *O,
746 const SectionRef &Section,
747 const char *sect, uint32_t sect_size,
749 bool print_addresses) {
750 // Collect the literal sections in this Mach-O file.
751 std::vector<SectionRef> LiteralSections;
752 for (const SectionRef &Section : O->sections()) {
753 DataRefImpl Ref = Section.getRawDataRefImpl();
754 uint32_t section_type;
756 const MachO::section_64 Sec = O->getSection64(Ref);
757 section_type = Sec.flags & MachO::SECTION_TYPE;
759 const MachO::section Sec = O->getSection(Ref);
760 section_type = Sec.flags & MachO::SECTION_TYPE;
762 if (section_type == MachO::S_CSTRING_LITERALS ||
763 section_type == MachO::S_4BYTE_LITERALS ||
764 section_type == MachO::S_8BYTE_LITERALS ||
765 section_type == MachO::S_16BYTE_LITERALS)
766 LiteralSections.push_back(Section);
769 // Set the size of the literal pointer.
770 uint32_t lp_size = O->is64Bit() ? 8 : 4;
772 // Collect the external relocation symbols for the literal pointers.
773 std::vector<std::pair<uint64_t, SymbolRef>> Relocs;
774 for (const RelocationRef &Reloc : Section.relocations()) {
776 MachO::any_relocation_info RE;
777 bool isExtern = false;
778 Rel = Reloc.getRawDataRefImpl();
779 RE = O->getRelocation(Rel);
780 isExtern = O->getPlainRelocationExternal(RE);
782 uint64_t RelocOffset = Reloc.getOffset();
783 symbol_iterator RelocSym = Reloc.getSymbol();
784 Relocs.push_back(std::make_pair(RelocOffset, *RelocSym));
787 array_pod_sort(Relocs.begin(), Relocs.end());
789 // Dump each literal pointer.
790 for (uint32_t i = 0; i < sect_size; i += lp_size) {
791 if (print_addresses) {
793 outs() << format("%016" PRIx64, sect_addr + i) << " ";
795 outs() << format("%08" PRIx64, sect_addr + i) << " ";
799 memcpy(&lp, sect + i, sizeof(uint64_t));
800 if (O->isLittleEndian() != sys::IsLittleEndianHost)
801 sys::swapByteOrder(lp);
804 memcpy(&li, sect + i, sizeof(uint32_t));
805 if (O->isLittleEndian() != sys::IsLittleEndianHost)
806 sys::swapByteOrder(li);
810 // First look for an external relocation entry for this literal pointer.
811 auto Reloc = std::find_if(
812 Relocs.begin(), Relocs.end(),
813 [&](const std::pair<uint64_t, SymbolRef> &P) { return P.first == i; });
814 if (Reloc != Relocs.end()) {
815 symbol_iterator RelocSym = Reloc->second;
816 ErrorOr<StringRef> SymName = RelocSym->getName();
817 if (std::error_code EC = SymName.getError())
818 report_fatal_error(EC.message());
819 outs() << "external relocation entry for symbol:" << *SymName << "\n";
823 // For local references see what the section the literal pointer points to.
824 auto Sect = std::find_if(LiteralSections.begin(), LiteralSections.end(),
825 [&](const SectionRef &R) {
826 return lp >= R.getAddress() &&
827 lp < R.getAddress() + R.getSize();
829 if (Sect == LiteralSections.end()) {
830 outs() << format("0x%" PRIx64, lp) << " (not in a literal section)\n";
834 uint64_t SectAddress = Sect->getAddress();
835 uint64_t SectSize = Sect->getSize();
838 Sect->getName(SectName);
839 DataRefImpl Ref = Sect->getRawDataRefImpl();
840 StringRef SegmentName = O->getSectionFinalSegmentName(Ref);
841 outs() << SegmentName << ":" << SectName << ":";
843 uint32_t section_type;
845 const MachO::section_64 Sec = O->getSection64(Ref);
846 section_type = Sec.flags & MachO::SECTION_TYPE;
848 const MachO::section Sec = O->getSection(Ref);
849 section_type = Sec.flags & MachO::SECTION_TYPE;
853 Sect->getContents(BytesStr);
854 const char *Contents = reinterpret_cast<const char *>(BytesStr.data());
856 switch (section_type) {
857 case MachO::S_CSTRING_LITERALS:
858 for (uint64_t i = lp - SectAddress; i < SectSize && Contents[i] != '\0';
860 DumpCstringChar(Contents[i]);
864 case MachO::S_4BYTE_LITERALS:
866 memcpy(&f, Contents + (lp - SectAddress), sizeof(float));
868 memcpy(&l, Contents + (lp - SectAddress), sizeof(uint32_t));
869 if (O->isLittleEndian() != sys::IsLittleEndianHost) {
870 sys::swapByteOrder(f);
871 sys::swapByteOrder(l);
875 case MachO::S_8BYTE_LITERALS: {
877 memcpy(&d, Contents + (lp - SectAddress), sizeof(double));
879 memcpy(&l0, Contents + (lp - SectAddress), sizeof(uint32_t));
880 memcpy(&l1, Contents + (lp - SectAddress) + sizeof(uint32_t),
882 if (O->isLittleEndian() != sys::IsLittleEndianHost) {
883 sys::swapByteOrder(f);
884 sys::swapByteOrder(l0);
885 sys::swapByteOrder(l1);
887 DumpLiteral8(O, l0, l1, d);
890 case MachO::S_16BYTE_LITERALS: {
891 uint32_t l0, l1, l2, l3;
892 memcpy(&l0, Contents + (lp - SectAddress), sizeof(uint32_t));
893 memcpy(&l1, Contents + (lp - SectAddress) + sizeof(uint32_t),
895 memcpy(&l2, Contents + (lp - SectAddress) + 2 * sizeof(uint32_t),
897 memcpy(&l3, Contents + (lp - SectAddress) + 3 * sizeof(uint32_t),
899 if (O->isLittleEndian() != sys::IsLittleEndianHost) {
900 sys::swapByteOrder(l0);
901 sys::swapByteOrder(l1);
902 sys::swapByteOrder(l2);
903 sys::swapByteOrder(l3);
905 DumpLiteral16(l0, l1, l2, l3);
912 static void DumpInitTermPointerSection(MachOObjectFile *O, const char *sect,
913 uint32_t sect_size, uint64_t sect_addr,
914 SymbolAddressMap *AddrMap,
917 stride = (O->is64Bit()) ? sizeof(uint64_t) : sizeof(uint32_t);
918 for (uint32_t i = 0; i < sect_size; i += stride) {
919 const char *SymbolName = nullptr;
921 outs() << format("0x%016" PRIx64, sect_addr + i * stride) << " ";
922 uint64_t pointer_value;
923 memcpy(&pointer_value, sect + i, stride);
924 if (O->isLittleEndian() != sys::IsLittleEndianHost)
925 sys::swapByteOrder(pointer_value);
926 outs() << format("0x%016" PRIx64, pointer_value);
928 SymbolName = GuessSymbolName(pointer_value, AddrMap);
930 outs() << format("0x%08" PRIx64, sect_addr + i * stride) << " ";
931 uint32_t pointer_value;
932 memcpy(&pointer_value, sect + i, stride);
933 if (O->isLittleEndian() != sys::IsLittleEndianHost)
934 sys::swapByteOrder(pointer_value);
935 outs() << format("0x%08" PRIx32, pointer_value);
937 SymbolName = GuessSymbolName(pointer_value, AddrMap);
940 outs() << " " << SymbolName;
945 static void DumpRawSectionContents(MachOObjectFile *O, const char *sect,
946 uint32_t size, uint64_t addr) {
947 uint32_t cputype = O->getHeader().cputype;
948 if (cputype == MachO::CPU_TYPE_I386 || cputype == MachO::CPU_TYPE_X86_64) {
950 for (uint32_t i = 0; i < size; i += j, addr += j) {
952 outs() << format("%016" PRIx64, addr) << "\t";
954 outs() << format("%08" PRIx64, addr) << "\t";
955 for (j = 0; j < 16 && i + j < size; j++) {
956 uint8_t byte_word = *(sect + i + j);
957 outs() << format("%02" PRIx32, (uint32_t)byte_word) << " ";
963 for (uint32_t i = 0; i < size; i += j, addr += j) {
965 outs() << format("%016" PRIx64, addr) << "\t";
967 outs() << format("%08" PRIx64, sect) << "\t";
968 for (j = 0; j < 4 * sizeof(int32_t) && i + j < size;
969 j += sizeof(int32_t)) {
970 if (i + j + sizeof(int32_t) < size) {
972 memcpy(&long_word, sect + i + j, sizeof(int32_t));
973 if (O->isLittleEndian() != sys::IsLittleEndianHost)
974 sys::swapByteOrder(long_word);
975 outs() << format("%08" PRIx32, long_word) << " ";
977 for (uint32_t k = 0; i + j + k < size; k++) {
978 uint8_t byte_word = *(sect + i + j);
979 outs() << format("%02" PRIx32, (uint32_t)byte_word) << " ";
988 static void DisassembleMachO(StringRef Filename, MachOObjectFile *MachOOF,
989 StringRef DisSegName, StringRef DisSectName);
990 static void DumpProtocolSection(MachOObjectFile *O, const char *sect,
991 uint32_t size, uint32_t addr);
993 static void DumpSectionContents(StringRef Filename, MachOObjectFile *O,
995 SymbolAddressMap AddrMap;
997 CreateSymbolAddressMap(O, &AddrMap);
999 for (unsigned i = 0; i < FilterSections.size(); ++i) {
1000 StringRef DumpSection = FilterSections[i];
1001 std::pair<StringRef, StringRef> DumpSegSectName;
1002 DumpSegSectName = DumpSection.split(',');
1003 StringRef DumpSegName, DumpSectName;
1004 if (DumpSegSectName.second.size()) {
1005 DumpSegName = DumpSegSectName.first;
1006 DumpSectName = DumpSegSectName.second;
1009 DumpSectName = DumpSegSectName.first;
1011 for (const SectionRef &Section : O->sections()) {
1013 Section.getName(SectName);
1014 DataRefImpl Ref = Section.getRawDataRefImpl();
1015 StringRef SegName = O->getSectionFinalSegmentName(Ref);
1016 if ((DumpSegName.empty() || SegName == DumpSegName) &&
1017 (SectName == DumpSectName)) {
1019 uint32_t section_flags;
1021 const MachO::section_64 Sec = O->getSection64(Ref);
1022 section_flags = Sec.flags;
1025 const MachO::section Sec = O->getSection(Ref);
1026 section_flags = Sec.flags;
1028 uint32_t section_type = section_flags & MachO::SECTION_TYPE;
1031 Section.getContents(BytesStr);
1032 const char *sect = reinterpret_cast<const char *>(BytesStr.data());
1033 uint32_t sect_size = BytesStr.size();
1034 uint64_t sect_addr = Section.getAddress();
1036 outs() << "Contents of (" << SegName << "," << SectName
1040 if ((section_flags & MachO::S_ATTR_PURE_INSTRUCTIONS) ||
1041 (section_flags & MachO::S_ATTR_SOME_INSTRUCTIONS)) {
1042 DisassembleMachO(Filename, O, SegName, SectName);
1045 if (SegName == "__TEXT" && SectName == "__info_plist") {
1049 if (SegName == "__OBJC" && SectName == "__protocol") {
1050 DumpProtocolSection(O, sect, sect_size, sect_addr);
1053 switch (section_type) {
1054 case MachO::S_REGULAR:
1055 DumpRawSectionContents(O, sect, sect_size, sect_addr);
1057 case MachO::S_ZEROFILL:
1058 outs() << "zerofill section and has no contents in the file\n";
1060 case MachO::S_CSTRING_LITERALS:
1061 DumpCstringSection(O, sect, sect_size, sect_addr, !NoLeadingAddr);
1063 case MachO::S_4BYTE_LITERALS:
1064 DumpLiteral4Section(O, sect, sect_size, sect_addr, !NoLeadingAddr);
1066 case MachO::S_8BYTE_LITERALS:
1067 DumpLiteral8Section(O, sect, sect_size, sect_addr, !NoLeadingAddr);
1069 case MachO::S_16BYTE_LITERALS:
1070 DumpLiteral16Section(O, sect, sect_size, sect_addr, !NoLeadingAddr);
1072 case MachO::S_LITERAL_POINTERS:
1073 DumpLiteralPointerSection(O, Section, sect, sect_size, sect_addr,
1076 case MachO::S_MOD_INIT_FUNC_POINTERS:
1077 case MachO::S_MOD_TERM_FUNC_POINTERS:
1078 DumpInitTermPointerSection(O, sect, sect_size, sect_addr, &AddrMap,
1082 outs() << "Unknown section type ("
1083 << format("0x%08" PRIx32, section_type) << ")\n";
1084 DumpRawSectionContents(O, sect, sect_size, sect_addr);
1088 if (section_type == MachO::S_ZEROFILL)
1089 outs() << "zerofill section and has no contents in the file\n";
1091 DumpRawSectionContents(O, sect, sect_size, sect_addr);
1098 static void DumpInfoPlistSectionContents(StringRef Filename,
1099 MachOObjectFile *O) {
1100 for (const SectionRef &Section : O->sections()) {
1102 Section.getName(SectName);
1103 DataRefImpl Ref = Section.getRawDataRefImpl();
1104 StringRef SegName = O->getSectionFinalSegmentName(Ref);
1105 if (SegName == "__TEXT" && SectName == "__info_plist") {
1106 outs() << "Contents of (" << SegName << "," << SectName << ") section\n";
1108 Section.getContents(BytesStr);
1109 const char *sect = reinterpret_cast<const char *>(BytesStr.data());
1116 // checkMachOAndArchFlags() checks to see if the ObjectFile is a Mach-O file
1117 // and if it is and there is a list of architecture flags is specified then
1118 // check to make sure this Mach-O file is one of those architectures or all
1119 // architectures were specified. If not then an error is generated and this
1120 // routine returns false. Else it returns true.
1121 static bool checkMachOAndArchFlags(ObjectFile *O, StringRef Filename) {
1122 if (isa<MachOObjectFile>(O) && !ArchAll && ArchFlags.size() != 0) {
1123 MachOObjectFile *MachO = dyn_cast<MachOObjectFile>(O);
1124 bool ArchFound = false;
1125 MachO::mach_header H;
1126 MachO::mach_header_64 H_64;
1128 if (MachO->is64Bit()) {
1129 H_64 = MachO->MachOObjectFile::getHeader64();
1130 T = MachOObjectFile::getArch(H_64.cputype, H_64.cpusubtype);
1132 H = MachO->MachOObjectFile::getHeader();
1133 T = MachOObjectFile::getArch(H.cputype, H.cpusubtype);
1136 for (i = 0; i < ArchFlags.size(); ++i) {
1137 if (ArchFlags[i] == T.getArchName())
1142 errs() << "llvm-objdump: file: " + Filename + " does not contain "
1143 << "architecture: " + ArchFlags[i] + "\n";
1150 static void printObjcMetaData(MachOObjectFile *O, bool verbose);
1152 // ProcessMachO() is passed a single opened Mach-O file, which may be an
1153 // archive member and or in a slice of a universal file. It prints the
1154 // the file name and header info and then processes it according to the
1155 // command line options.
1156 static void ProcessMachO(StringRef Filename, MachOObjectFile *MachOOF,
1157 StringRef ArchiveMemberName = StringRef(),
1158 StringRef ArchitectureName = StringRef()) {
1159 // If we are doing some processing here on the Mach-O file print the header
1160 // info. And don't print it otherwise like in the case of printing the
1161 // UniversalHeaders or ArchiveHeaders.
1162 if (Disassemble || PrivateHeaders || ExportsTrie || Rebase || Bind ||
1163 LazyBind || WeakBind || IndirectSymbols || DataInCode || LinkOptHints ||
1164 DylibsUsed || DylibId || ObjcMetaData || (FilterSections.size() != 0)) {
1166 if (!ArchiveMemberName.empty())
1167 outs() << '(' << ArchiveMemberName << ')';
1168 if (!ArchitectureName.empty())
1169 outs() << " (architecture " << ArchitectureName << ")";
1174 DisassembleMachO(Filename, MachOOF, "__TEXT", "__text");
1175 if (IndirectSymbols)
1176 PrintIndirectSymbols(MachOOF, !NonVerbose);
1178 PrintDataInCodeTable(MachOOF, !NonVerbose);
1180 PrintLinkOptHints(MachOOF);
1182 PrintRelocations(MachOOF);
1184 PrintSectionHeaders(MachOOF);
1185 if (SectionContents)
1186 PrintSectionContents(MachOOF);
1187 if (FilterSections.size() != 0)
1188 DumpSectionContents(Filename, MachOOF, !NonVerbose);
1190 DumpInfoPlistSectionContents(Filename, MachOOF);
1192 PrintDylibs(MachOOF, false);
1194 PrintDylibs(MachOOF, true);
1196 PrintSymbolTable(MachOOF);
1198 printMachOUnwindInfo(MachOOF);
1200 printMachOFileHeader(MachOOF);
1202 printObjcMetaData(MachOOF, !NonVerbose);
1204 printExportsTrie(MachOOF);
1206 printRebaseTable(MachOOF);
1208 printBindTable(MachOOF);
1210 printLazyBindTable(MachOOF);
1212 printWeakBindTable(MachOOF);
1214 if (DwarfDumpType != DIDT_Null) {
1215 std::unique_ptr<DIContext> DICtx(new DWARFContextInMemory(*MachOOF));
1216 // Dump the complete DWARF structure.
1217 DICtx->dump(outs(), DwarfDumpType, true /* DumpEH */);
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 report_error(Filename, EC);
1501 ErrorOr<std::unique_ptr<Binary>> ChildOrErr = C.getAsBinary();
1502 if (ChildOrErr.getError())
1504 if (MachOObjectFile *O = dyn_cast<MachOObjectFile>(&*ChildOrErr.get())) {
1505 if (!checkMachOAndArchFlags(O, Filename))
1507 ProcessMachO(Filename, O, O->getFileName());
1512 if (UniversalHeaders) {
1513 if (MachOUniversalBinary *UB = dyn_cast<MachOUniversalBinary>(&Bin))
1514 printMachOUniversalHeaders(UB, !NonVerbose);
1516 if (MachOUniversalBinary *UB = dyn_cast<MachOUniversalBinary>(&Bin)) {
1517 // If we have a list of architecture flags specified dump only those.
1518 if (!ArchAll && ArchFlags.size() != 0) {
1519 // Look for a slice in the universal binary that matches each ArchFlag.
1521 for (unsigned i = 0; i < ArchFlags.size(); ++i) {
1523 for (MachOUniversalBinary::object_iterator I = UB->begin_objects(),
1524 E = UB->end_objects();
1526 if (ArchFlags[i] == I->getArchTypeName()) {
1528 ErrorOr<std::unique_ptr<ObjectFile>> ObjOrErr =
1529 I->getAsObjectFile();
1530 std::string ArchitectureName = "";
1531 if (ArchFlags.size() > 1)
1532 ArchitectureName = I->getArchTypeName();
1534 ObjectFile &O = *ObjOrErr.get();
1535 if (MachOObjectFile *MachOOF = dyn_cast<MachOObjectFile>(&O))
1536 ProcessMachO(Filename, MachOOF, "", ArchitectureName);
1537 } else if (ErrorOr<std::unique_ptr<Archive>> AOrErr =
1538 I->getAsArchive()) {
1539 std::unique_ptr<Archive> &A = *AOrErr;
1540 outs() << "Archive : " << Filename;
1541 if (!ArchitectureName.empty())
1542 outs() << " (architecture " << ArchitectureName << ")";
1545 printArchiveHeaders(A.get(), !NonVerbose, ArchiveMemberOffsets);
1546 for (Archive::child_iterator AI = A->child_begin(),
1547 AE = A->child_end();
1549 if (std::error_code EC = AI->getError())
1550 report_error(Filename, EC);
1551 auto &C = AI->get();
1552 ErrorOr<std::unique_ptr<Binary>> ChildOrErr = C.getAsBinary();
1553 if (ChildOrErr.getError())
1555 if (MachOObjectFile *O =
1556 dyn_cast<MachOObjectFile>(&*ChildOrErr.get()))
1557 ProcessMachO(Filename, O, O->getFileName(), ArchitectureName);
1563 errs() << "llvm-objdump: file: " + Filename + " does not contain "
1564 << "architecture: " + ArchFlags[i] + "\n";
1570 // No architecture flags were specified so if this contains a slice that
1571 // matches the host architecture dump only that.
1573 for (MachOUniversalBinary::object_iterator I = UB->begin_objects(),
1574 E = UB->end_objects();
1576 if (MachOObjectFile::getHostArch().getArchName() ==
1577 I->getArchTypeName()) {
1578 ErrorOr<std::unique_ptr<ObjectFile>> ObjOrErr = I->getAsObjectFile();
1579 std::string ArchiveName;
1580 ArchiveName.clear();
1582 ObjectFile &O = *ObjOrErr.get();
1583 if (MachOObjectFile *MachOOF = dyn_cast<MachOObjectFile>(&O))
1584 ProcessMachO(Filename, MachOOF);
1585 } else if (ErrorOr<std::unique_ptr<Archive>> AOrErr =
1586 I->getAsArchive()) {
1587 std::unique_ptr<Archive> &A = *AOrErr;
1588 outs() << "Archive : " << Filename << "\n";
1590 printArchiveHeaders(A.get(), !NonVerbose, ArchiveMemberOffsets);
1591 for (Archive::child_iterator AI = A->child_begin(),
1592 AE = A->child_end();
1594 if (std::error_code EC = AI->getError())
1595 report_error(Filename, EC);
1596 auto &C = AI->get();
1597 ErrorOr<std::unique_ptr<Binary>> ChildOrErr = C.getAsBinary();
1598 if (ChildOrErr.getError())
1600 if (MachOObjectFile *O =
1601 dyn_cast<MachOObjectFile>(&*ChildOrErr.get()))
1602 ProcessMachO(Filename, O, O->getFileName());
1609 // Either all architectures have been specified or none have been specified
1610 // and this does not contain the host architecture so dump all the slices.
1611 bool moreThanOneArch = UB->getNumberOfObjects() > 1;
1612 for (MachOUniversalBinary::object_iterator I = UB->begin_objects(),
1613 E = UB->end_objects();
1615 ErrorOr<std::unique_ptr<ObjectFile>> ObjOrErr = I->getAsObjectFile();
1616 std::string ArchitectureName = "";
1617 if (moreThanOneArch)
1618 ArchitectureName = I->getArchTypeName();
1620 ObjectFile &Obj = *ObjOrErr.get();
1621 if (MachOObjectFile *MachOOF = dyn_cast<MachOObjectFile>(&Obj))
1622 ProcessMachO(Filename, MachOOF, "", ArchitectureName);
1623 } else if (ErrorOr<std::unique_ptr<Archive>> AOrErr = I->getAsArchive()) {
1624 std::unique_ptr<Archive> &A = *AOrErr;
1625 outs() << "Archive : " << Filename;
1626 if (!ArchitectureName.empty())
1627 outs() << " (architecture " << ArchitectureName << ")";
1630 printArchiveHeaders(A.get(), !NonVerbose, ArchiveMemberOffsets);
1631 for (Archive::child_iterator AI = A->child_begin(), AE = A->child_end();
1633 if (std::error_code EC = AI->getError())
1634 report_error(Filename, EC);
1635 auto &C = AI->get();
1636 ErrorOr<std::unique_ptr<Binary>> ChildOrErr = C.getAsBinary();
1637 if (ChildOrErr.getError())
1639 if (MachOObjectFile *O =
1640 dyn_cast<MachOObjectFile>(&*ChildOrErr.get())) {
1641 if (MachOObjectFile *MachOOF = dyn_cast<MachOObjectFile>(O))
1642 ProcessMachO(Filename, MachOOF, MachOOF->getFileName(),
1650 if (ObjectFile *O = dyn_cast<ObjectFile>(&Bin)) {
1651 if (!checkMachOAndArchFlags(O, Filename))
1653 if (MachOObjectFile *MachOOF = dyn_cast<MachOObjectFile>(&*O)) {
1654 ProcessMachO(Filename, MachOOF);
1656 errs() << "llvm-objdump: '" << Filename << "': "
1657 << "Object is not a Mach-O file type.\n";
1659 errs() << "llvm-objdump: '" << Filename << "': "
1660 << "Unrecognized file type.\n";
1663 typedef std::pair<uint64_t, const char *> BindInfoEntry;
1664 typedef std::vector<BindInfoEntry> BindTable;
1665 typedef BindTable::iterator bind_table_iterator;
1667 // The block of info used by the Symbolizer call backs.
1668 struct DisassembleInfo {
1672 SymbolAddressMap *AddrMap;
1673 std::vector<SectionRef> *Sections;
1674 const char *class_name;
1675 const char *selector_name;
1677 char *demangled_name;
1680 BindTable *bindtable;
1684 // SymbolizerGetOpInfo() is the operand information call back function.
1685 // This is called to get the symbolic information for operand(s) of an
1686 // instruction when it is being done. This routine does this from
1687 // the relocation information, symbol table, etc. That block of information
1688 // is a pointer to the struct DisassembleInfo that was passed when the
1689 // disassembler context was created and passed to back to here when
1690 // called back by the disassembler for instruction operands that could have
1691 // relocation information. The address of the instruction containing operand is
1692 // at the Pc parameter. The immediate value the operand has is passed in
1693 // op_info->Value and is at Offset past the start of the instruction and has a
1694 // byte Size of 1, 2 or 4. The symbolc information is returned in TagBuf is the
1695 // LLVMOpInfo1 struct defined in the header "llvm-c/Disassembler.h" as symbol
1696 // names and addends of the symbolic expression to add for the operand. The
1697 // value of TagType is currently 1 (for the LLVMOpInfo1 struct). If symbolic
1698 // information is returned then this function returns 1 else it returns 0.
1699 static int SymbolizerGetOpInfo(void *DisInfo, uint64_t Pc, uint64_t Offset,
1700 uint64_t Size, int TagType, void *TagBuf) {
1701 struct DisassembleInfo *info = (struct DisassembleInfo *)DisInfo;
1702 struct LLVMOpInfo1 *op_info = (struct LLVMOpInfo1 *)TagBuf;
1703 uint64_t value = op_info->Value;
1705 // Make sure all fields returned are zero if we don't set them.
1706 memset((void *)op_info, '\0', sizeof(struct LLVMOpInfo1));
1707 op_info->Value = value;
1709 // If the TagType is not the value 1 which it code knows about or if no
1710 // verbose symbolic information is wanted then just return 0, indicating no
1711 // information is being returned.
1712 if (TagType != 1 || !info->verbose)
1715 unsigned int Arch = info->O->getArch();
1716 if (Arch == Triple::x86) {
1717 if (Size != 1 && Size != 2 && Size != 4 && Size != 0)
1719 if (info->O->getHeader().filetype != MachO::MH_OBJECT) {
1721 // Search the external relocation entries of a fully linked image
1722 // (if any) for an entry that matches this segment offset.
1723 // uint32_t seg_offset = (Pc + Offset);
1726 // In MH_OBJECT filetypes search the section's relocation entries (if any)
1727 // for an entry for this section offset.
1728 uint32_t sect_addr = info->S.getAddress();
1729 uint32_t sect_offset = (Pc + Offset) - sect_addr;
1730 bool reloc_found = false;
1732 MachO::any_relocation_info RE;
1733 bool isExtern = false;
1735 bool r_scattered = false;
1736 uint32_t r_value, pair_r_value, r_type;
1737 for (const RelocationRef &Reloc : info->S.relocations()) {
1738 uint64_t RelocOffset = Reloc.getOffset();
1739 if (RelocOffset == sect_offset) {
1740 Rel = Reloc.getRawDataRefImpl();
1741 RE = info->O->getRelocation(Rel);
1742 r_type = info->O->getAnyRelocationType(RE);
1743 r_scattered = info->O->isRelocationScattered(RE);
1745 r_value = info->O->getScatteredRelocationValue(RE);
1746 if (r_type == MachO::GENERIC_RELOC_SECTDIFF ||
1747 r_type == MachO::GENERIC_RELOC_LOCAL_SECTDIFF) {
1748 DataRefImpl RelNext = Rel;
1749 info->O->moveRelocationNext(RelNext);
1750 MachO::any_relocation_info RENext;
1751 RENext = info->O->getRelocation(RelNext);
1752 if (info->O->isRelocationScattered(RENext))
1753 pair_r_value = info->O->getScatteredRelocationValue(RENext);
1758 isExtern = info->O->getPlainRelocationExternal(RE);
1760 symbol_iterator RelocSym = Reloc.getSymbol();
1768 if (reloc_found && isExtern) {
1769 ErrorOr<StringRef> SymName = Symbol.getName();
1770 if (std::error_code EC = SymName.getError())
1771 report_fatal_error(EC.message());
1772 const char *name = SymName->data();
1773 op_info->AddSymbol.Present = 1;
1774 op_info->AddSymbol.Name = name;
1775 // For i386 extern relocation entries the value in the instruction is
1776 // the offset from the symbol, and value is already set in op_info->Value.
1779 if (reloc_found && (r_type == MachO::GENERIC_RELOC_SECTDIFF ||
1780 r_type == MachO::GENERIC_RELOC_LOCAL_SECTDIFF)) {
1781 const char *add = GuessSymbolName(r_value, info->AddrMap);
1782 const char *sub = GuessSymbolName(pair_r_value, info->AddrMap);
1783 uint32_t offset = value - (r_value - pair_r_value);
1784 op_info->AddSymbol.Present = 1;
1786 op_info->AddSymbol.Name = add;
1788 op_info->AddSymbol.Value = r_value;
1789 op_info->SubtractSymbol.Present = 1;
1791 op_info->SubtractSymbol.Name = sub;
1793 op_info->SubtractSymbol.Value = pair_r_value;
1794 op_info->Value = offset;
1799 if (Arch == Triple::x86_64) {
1800 if (Size != 1 && Size != 2 && Size != 4 && Size != 0)
1802 if (info->O->getHeader().filetype != MachO::MH_OBJECT) {
1804 // Search the external relocation entries of a fully linked image
1805 // (if any) for an entry that matches this segment offset.
1806 // uint64_t seg_offset = (Pc + Offset);
1809 // In MH_OBJECT filetypes search the section's relocation entries (if any)
1810 // for an entry for this section offset.
1811 uint64_t sect_addr = info->S.getAddress();
1812 uint64_t sect_offset = (Pc + Offset) - sect_addr;
1813 bool reloc_found = false;
1815 MachO::any_relocation_info RE;
1816 bool isExtern = false;
1818 for (const RelocationRef &Reloc : info->S.relocations()) {
1819 uint64_t RelocOffset = Reloc.getOffset();
1820 if (RelocOffset == sect_offset) {
1821 Rel = Reloc.getRawDataRefImpl();
1822 RE = info->O->getRelocation(Rel);
1823 // NOTE: Scattered relocations don't exist on x86_64.
1824 isExtern = info->O->getPlainRelocationExternal(RE);
1826 symbol_iterator RelocSym = Reloc.getSymbol();
1833 if (reloc_found && isExtern) {
1834 // The Value passed in will be adjusted by the Pc if the instruction
1835 // adds the Pc. But for x86_64 external relocation entries the Value
1836 // is the offset from the external symbol.
1837 if (info->O->getAnyRelocationPCRel(RE))
1838 op_info->Value -= Pc + Offset + Size;
1839 ErrorOr<StringRef> SymName = Symbol.getName();
1840 if (std::error_code EC = SymName.getError())
1841 report_fatal_error(EC.message());
1842 const char *name = SymName->data();
1843 unsigned Type = info->O->getAnyRelocationType(RE);
1844 if (Type == MachO::X86_64_RELOC_SUBTRACTOR) {
1845 DataRefImpl RelNext = Rel;
1846 info->O->moveRelocationNext(RelNext);
1847 MachO::any_relocation_info RENext = info->O->getRelocation(RelNext);
1848 unsigned TypeNext = info->O->getAnyRelocationType(RENext);
1849 bool isExternNext = info->O->getPlainRelocationExternal(RENext);
1850 unsigned SymbolNum = info->O->getPlainRelocationSymbolNum(RENext);
1851 if (TypeNext == MachO::X86_64_RELOC_UNSIGNED && isExternNext) {
1852 op_info->SubtractSymbol.Present = 1;
1853 op_info->SubtractSymbol.Name = name;
1854 symbol_iterator RelocSymNext = info->O->getSymbolByIndex(SymbolNum);
1855 Symbol = *RelocSymNext;
1856 ErrorOr<StringRef> SymNameNext = Symbol.getName();
1857 if (std::error_code EC = SymNameNext.getError())
1858 report_fatal_error(EC.message());
1859 name = SymNameNext->data();
1862 // TODO: add the VariantKinds to op_info->VariantKind for relocation types
1863 // like: X86_64_RELOC_TLV, X86_64_RELOC_GOT_LOAD and X86_64_RELOC_GOT.
1864 op_info->AddSymbol.Present = 1;
1865 op_info->AddSymbol.Name = name;
1870 if (Arch == Triple::arm) {
1871 if (Offset != 0 || (Size != 4 && Size != 2))
1873 if (info->O->getHeader().filetype != MachO::MH_OBJECT) {
1875 // Search the external relocation entries of a fully linked image
1876 // (if any) for an entry that matches this segment offset.
1877 // uint32_t seg_offset = (Pc + Offset);
1880 // In MH_OBJECT filetypes search the section's relocation entries (if any)
1881 // for an entry for this section offset.
1882 uint32_t sect_addr = info->S.getAddress();
1883 uint32_t sect_offset = (Pc + Offset) - sect_addr;
1885 MachO::any_relocation_info RE;
1886 bool isExtern = false;
1888 bool r_scattered = false;
1889 uint32_t r_value, pair_r_value, r_type, r_length, other_half;
1891 std::find_if(info->S.relocations().begin(), info->S.relocations().end(),
1892 [&](const RelocationRef &Reloc) {
1893 uint64_t RelocOffset = Reloc.getOffset();
1894 return RelocOffset == sect_offset;
1897 if (Reloc == info->S.relocations().end())
1900 Rel = Reloc->getRawDataRefImpl();
1901 RE = info->O->getRelocation(Rel);
1902 r_length = info->O->getAnyRelocationLength(RE);
1903 r_scattered = info->O->isRelocationScattered(RE);
1905 r_value = info->O->getScatteredRelocationValue(RE);
1906 r_type = info->O->getScatteredRelocationType(RE);
1908 r_type = info->O->getAnyRelocationType(RE);
1909 isExtern = info->O->getPlainRelocationExternal(RE);
1911 symbol_iterator RelocSym = Reloc->getSymbol();
1915 if (r_type == MachO::ARM_RELOC_HALF ||
1916 r_type == MachO::ARM_RELOC_SECTDIFF ||
1917 r_type == MachO::ARM_RELOC_LOCAL_SECTDIFF ||
1918 r_type == MachO::ARM_RELOC_HALF_SECTDIFF) {
1919 DataRefImpl RelNext = Rel;
1920 info->O->moveRelocationNext(RelNext);
1921 MachO::any_relocation_info RENext;
1922 RENext = info->O->getRelocation(RelNext);
1923 other_half = info->O->getAnyRelocationAddress(RENext) & 0xffff;
1924 if (info->O->isRelocationScattered(RENext))
1925 pair_r_value = info->O->getScatteredRelocationValue(RENext);
1929 ErrorOr<StringRef> SymName = Symbol.getName();
1930 if (std::error_code EC = SymName.getError())
1931 report_fatal_error(EC.message());
1932 const char *name = SymName->data();
1933 op_info->AddSymbol.Present = 1;
1934 op_info->AddSymbol.Name = name;
1936 case MachO::ARM_RELOC_HALF:
1937 if ((r_length & 0x1) == 1) {
1938 op_info->Value = value << 16 | other_half;
1939 op_info->VariantKind = LLVMDisassembler_VariantKind_ARM_HI16;
1941 op_info->Value = other_half << 16 | value;
1942 op_info->VariantKind = LLVMDisassembler_VariantKind_ARM_LO16;
1950 // If we have a branch that is not an external relocation entry then
1951 // return 0 so the code in tryAddingSymbolicOperand() can use the
1952 // SymbolLookUp call back with the branch target address to look up the
1953 // symbol and possiblity add an annotation for a symbol stub.
1954 if (isExtern == 0 && (r_type == MachO::ARM_RELOC_BR24 ||
1955 r_type == MachO::ARM_THUMB_RELOC_BR22))
1958 uint32_t offset = 0;
1959 if (r_type == MachO::ARM_RELOC_HALF ||
1960 r_type == MachO::ARM_RELOC_HALF_SECTDIFF) {
1961 if ((r_length & 0x1) == 1)
1962 value = value << 16 | other_half;
1964 value = other_half << 16 | value;
1966 if (r_scattered && (r_type != MachO::ARM_RELOC_HALF &&
1967 r_type != MachO::ARM_RELOC_HALF_SECTDIFF)) {
1968 offset = value - r_value;
1972 if (r_type == MachO::ARM_RELOC_HALF_SECTDIFF) {
1973 if ((r_length & 0x1) == 1)
1974 op_info->VariantKind = LLVMDisassembler_VariantKind_ARM_HI16;
1976 op_info->VariantKind = LLVMDisassembler_VariantKind_ARM_LO16;
1977 const char *add = GuessSymbolName(r_value, info->AddrMap);
1978 const char *sub = GuessSymbolName(pair_r_value, info->AddrMap);
1979 int32_t offset = value - (r_value - pair_r_value);
1980 op_info->AddSymbol.Present = 1;
1982 op_info->AddSymbol.Name = add;
1984 op_info->AddSymbol.Value = r_value;
1985 op_info->SubtractSymbol.Present = 1;
1987 op_info->SubtractSymbol.Name = sub;
1989 op_info->SubtractSymbol.Value = pair_r_value;
1990 op_info->Value = offset;
1994 op_info->AddSymbol.Present = 1;
1995 op_info->Value = offset;
1996 if (r_type == MachO::ARM_RELOC_HALF) {
1997 if ((r_length & 0x1) == 1)
1998 op_info->VariantKind = LLVMDisassembler_VariantKind_ARM_HI16;
2000 op_info->VariantKind = LLVMDisassembler_VariantKind_ARM_LO16;
2002 const char *add = GuessSymbolName(value, info->AddrMap);
2003 if (add != nullptr) {
2004 op_info->AddSymbol.Name = add;
2007 op_info->AddSymbol.Value = value;
2010 if (Arch == Triple::aarch64) {
2011 if (Offset != 0 || Size != 4)
2013 if (info->O->getHeader().filetype != MachO::MH_OBJECT) {
2015 // Search the external relocation entries of a fully linked image
2016 // (if any) for an entry that matches this segment offset.
2017 // uint64_t seg_offset = (Pc + Offset);
2020 // In MH_OBJECT filetypes search the section's relocation entries (if any)
2021 // for an entry for this section offset.
2022 uint64_t sect_addr = info->S.getAddress();
2023 uint64_t sect_offset = (Pc + Offset) - sect_addr;
2025 std::find_if(info->S.relocations().begin(), info->S.relocations().end(),
2026 [&](const RelocationRef &Reloc) {
2027 uint64_t RelocOffset = Reloc.getOffset();
2028 return RelocOffset == sect_offset;
2031 if (Reloc == info->S.relocations().end())
2034 DataRefImpl Rel = Reloc->getRawDataRefImpl();
2035 MachO::any_relocation_info RE = info->O->getRelocation(Rel);
2036 uint32_t r_type = info->O->getAnyRelocationType(RE);
2037 if (r_type == MachO::ARM64_RELOC_ADDEND) {
2038 DataRefImpl RelNext = Rel;
2039 info->O->moveRelocationNext(RelNext);
2040 MachO::any_relocation_info RENext = info->O->getRelocation(RelNext);
2042 value = info->O->getPlainRelocationSymbolNum(RENext);
2043 op_info->Value = value;
2046 // NOTE: Scattered relocations don't exist on arm64.
2047 if (!info->O->getPlainRelocationExternal(RE))
2049 ErrorOr<StringRef> SymName = Reloc->getSymbol()->getName();
2050 if (std::error_code EC = SymName.getError())
2051 report_fatal_error(EC.message());
2052 const char *name = SymName->data();
2053 op_info->AddSymbol.Present = 1;
2054 op_info->AddSymbol.Name = name;
2057 case MachO::ARM64_RELOC_PAGE21:
2059 op_info->VariantKind = LLVMDisassembler_VariantKind_ARM64_PAGE;
2061 case MachO::ARM64_RELOC_PAGEOFF12:
2063 op_info->VariantKind = LLVMDisassembler_VariantKind_ARM64_PAGEOFF;
2065 case MachO::ARM64_RELOC_GOT_LOAD_PAGE21:
2067 op_info->VariantKind = LLVMDisassembler_VariantKind_ARM64_GOTPAGE;
2069 case MachO::ARM64_RELOC_GOT_LOAD_PAGEOFF12:
2071 op_info->VariantKind = LLVMDisassembler_VariantKind_ARM64_GOTPAGEOFF;
2073 case MachO::ARM64_RELOC_TLVP_LOAD_PAGE21:
2074 /* @tvlppage is not implemented in llvm-mc */
2075 op_info->VariantKind = LLVMDisassembler_VariantKind_ARM64_TLVP;
2077 case MachO::ARM64_RELOC_TLVP_LOAD_PAGEOFF12:
2078 /* @tvlppageoff is not implemented in llvm-mc */
2079 op_info->VariantKind = LLVMDisassembler_VariantKind_ARM64_TLVOFF;
2082 case MachO::ARM64_RELOC_BRANCH26:
2083 op_info->VariantKind = LLVMDisassembler_VariantKind_None;
2091 // GuessCstringPointer is passed the address of what might be a pointer to a
2092 // literal string in a cstring section. If that address is in a cstring section
2093 // it returns a pointer to that string. Else it returns nullptr.
2094 static const char *GuessCstringPointer(uint64_t ReferenceValue,
2095 struct DisassembleInfo *info) {
2096 for (const auto &Load : info->O->load_commands()) {
2097 if (Load.C.cmd == MachO::LC_SEGMENT_64) {
2098 MachO::segment_command_64 Seg = info->O->getSegment64LoadCommand(Load);
2099 for (unsigned J = 0; J < Seg.nsects; ++J) {
2100 MachO::section_64 Sec = info->O->getSection64(Load, J);
2101 uint32_t section_type = Sec.flags & MachO::SECTION_TYPE;
2102 if (section_type == MachO::S_CSTRING_LITERALS &&
2103 ReferenceValue >= Sec.addr &&
2104 ReferenceValue < Sec.addr + Sec.size) {
2105 uint64_t sect_offset = ReferenceValue - Sec.addr;
2106 uint64_t object_offset = Sec.offset + sect_offset;
2107 StringRef MachOContents = info->O->getData();
2108 uint64_t object_size = MachOContents.size();
2109 const char *object_addr = (const char *)MachOContents.data();
2110 if (object_offset < object_size) {
2111 const char *name = object_addr + object_offset;
2118 } else if (Load.C.cmd == MachO::LC_SEGMENT) {
2119 MachO::segment_command Seg = info->O->getSegmentLoadCommand(Load);
2120 for (unsigned J = 0; J < Seg.nsects; ++J) {
2121 MachO::section Sec = info->O->getSection(Load, J);
2122 uint32_t section_type = Sec.flags & MachO::SECTION_TYPE;
2123 if (section_type == MachO::S_CSTRING_LITERALS &&
2124 ReferenceValue >= Sec.addr &&
2125 ReferenceValue < Sec.addr + Sec.size) {
2126 uint64_t sect_offset = ReferenceValue - Sec.addr;
2127 uint64_t object_offset = Sec.offset + sect_offset;
2128 StringRef MachOContents = info->O->getData();
2129 uint64_t object_size = MachOContents.size();
2130 const char *object_addr = (const char *)MachOContents.data();
2131 if (object_offset < object_size) {
2132 const char *name = object_addr + object_offset;
2144 // GuessIndirectSymbol returns the name of the indirect symbol for the
2145 // ReferenceValue passed in or nullptr. This is used when ReferenceValue maybe
2146 // an address of a symbol stub or a lazy or non-lazy pointer to associate the
2147 // symbol name being referenced by the stub or pointer.
2148 static const char *GuessIndirectSymbol(uint64_t ReferenceValue,
2149 struct DisassembleInfo *info) {
2150 MachO::dysymtab_command Dysymtab = info->O->getDysymtabLoadCommand();
2151 MachO::symtab_command Symtab = info->O->getSymtabLoadCommand();
2152 for (const auto &Load : info->O->load_commands()) {
2153 if (Load.C.cmd == MachO::LC_SEGMENT_64) {
2154 MachO::segment_command_64 Seg = info->O->getSegment64LoadCommand(Load);
2155 for (unsigned J = 0; J < Seg.nsects; ++J) {
2156 MachO::section_64 Sec = info->O->getSection64(Load, J);
2157 uint32_t section_type = Sec.flags & MachO::SECTION_TYPE;
2158 if ((section_type == MachO::S_NON_LAZY_SYMBOL_POINTERS ||
2159 section_type == MachO::S_LAZY_SYMBOL_POINTERS ||
2160 section_type == MachO::S_LAZY_DYLIB_SYMBOL_POINTERS ||
2161 section_type == MachO::S_THREAD_LOCAL_VARIABLE_POINTERS ||
2162 section_type == MachO::S_SYMBOL_STUBS) &&
2163 ReferenceValue >= Sec.addr &&
2164 ReferenceValue < Sec.addr + Sec.size) {
2166 if (section_type == MachO::S_SYMBOL_STUBS)
2167 stride = Sec.reserved2;
2172 uint32_t index = Sec.reserved1 + (ReferenceValue - Sec.addr) / stride;
2173 if (index < Dysymtab.nindirectsyms) {
2174 uint32_t indirect_symbol =
2175 info->O->getIndirectSymbolTableEntry(Dysymtab, index);
2176 if (indirect_symbol < Symtab.nsyms) {
2177 symbol_iterator Sym = info->O->getSymbolByIndex(indirect_symbol);
2178 SymbolRef Symbol = *Sym;
2179 ErrorOr<StringRef> SymName = Symbol.getName();
2180 if (std::error_code EC = SymName.getError())
2181 report_fatal_error(EC.message());
2182 const char *name = SymName->data();
2188 } else if (Load.C.cmd == MachO::LC_SEGMENT) {
2189 MachO::segment_command Seg = info->O->getSegmentLoadCommand(Load);
2190 for (unsigned J = 0; J < Seg.nsects; ++J) {
2191 MachO::section Sec = info->O->getSection(Load, J);
2192 uint32_t section_type = Sec.flags & MachO::SECTION_TYPE;
2193 if ((section_type == MachO::S_NON_LAZY_SYMBOL_POINTERS ||
2194 section_type == MachO::S_LAZY_SYMBOL_POINTERS ||
2195 section_type == MachO::S_LAZY_DYLIB_SYMBOL_POINTERS ||
2196 section_type == MachO::S_THREAD_LOCAL_VARIABLE_POINTERS ||
2197 section_type == MachO::S_SYMBOL_STUBS) &&
2198 ReferenceValue >= Sec.addr &&
2199 ReferenceValue < Sec.addr + Sec.size) {
2201 if (section_type == MachO::S_SYMBOL_STUBS)
2202 stride = Sec.reserved2;
2207 uint32_t index = Sec.reserved1 + (ReferenceValue - Sec.addr) / stride;
2208 if (index < Dysymtab.nindirectsyms) {
2209 uint32_t indirect_symbol =
2210 info->O->getIndirectSymbolTableEntry(Dysymtab, index);
2211 if (indirect_symbol < Symtab.nsyms) {
2212 symbol_iterator Sym = info->O->getSymbolByIndex(indirect_symbol);
2213 SymbolRef Symbol = *Sym;
2214 ErrorOr<StringRef> SymName = Symbol.getName();
2215 if (std::error_code EC = SymName.getError())
2216 report_fatal_error(EC.message());
2217 const char *name = SymName->data();
2228 // method_reference() is called passing it the ReferenceName that might be
2229 // a reference it to an Objective-C method call. If so then it allocates and
2230 // assembles a method call string with the values last seen and saved in
2231 // the DisassembleInfo's class_name and selector_name fields. This is saved
2232 // into the method field of the info and any previous string is free'ed.
2233 // Then the class_name field in the info is set to nullptr. The method call
2234 // string is set into ReferenceName and ReferenceType is set to
2235 // LLVMDisassembler_ReferenceType_Out_Objc_Message. If this not a method call
2236 // then both ReferenceType and ReferenceName are left unchanged.
2237 static void method_reference(struct DisassembleInfo *info,
2238 uint64_t *ReferenceType,
2239 const char **ReferenceName) {
2240 unsigned int Arch = info->O->getArch();
2241 if (*ReferenceName != nullptr) {
2242 if (strcmp(*ReferenceName, "_objc_msgSend") == 0) {
2243 if (info->selector_name != nullptr) {
2244 if (info->method != nullptr)
2246 if (info->class_name != nullptr) {
2247 info->method = (char *)malloc(5 + strlen(info->class_name) +
2248 strlen(info->selector_name));
2249 if (info->method != nullptr) {
2250 strcpy(info->method, "+[");
2251 strcat(info->method, info->class_name);
2252 strcat(info->method, " ");
2253 strcat(info->method, info->selector_name);
2254 strcat(info->method, "]");
2255 *ReferenceName = info->method;
2256 *ReferenceType = LLVMDisassembler_ReferenceType_Out_Objc_Message;
2259 info->method = (char *)malloc(9 + strlen(info->selector_name));
2260 if (info->method != nullptr) {
2261 if (Arch == Triple::x86_64)
2262 strcpy(info->method, "-[%rdi ");
2263 else if (Arch == Triple::aarch64)
2264 strcpy(info->method, "-[x0 ");
2266 strcpy(info->method, "-[r? ");
2267 strcat(info->method, info->selector_name);
2268 strcat(info->method, "]");
2269 *ReferenceName = info->method;
2270 *ReferenceType = LLVMDisassembler_ReferenceType_Out_Objc_Message;
2273 info->class_name = nullptr;
2275 } else if (strcmp(*ReferenceName, "_objc_msgSendSuper2") == 0) {
2276 if (info->selector_name != nullptr) {
2277 if (info->method != nullptr)
2279 info->method = (char *)malloc(17 + strlen(info->selector_name));
2280 if (info->method != nullptr) {
2281 if (Arch == Triple::x86_64)
2282 strcpy(info->method, "-[[%rdi super] ");
2283 else if (Arch == Triple::aarch64)
2284 strcpy(info->method, "-[[x0 super] ");
2286 strcpy(info->method, "-[[r? super] ");
2287 strcat(info->method, info->selector_name);
2288 strcat(info->method, "]");
2289 *ReferenceName = info->method;
2290 *ReferenceType = LLVMDisassembler_ReferenceType_Out_Objc_Message;
2292 info->class_name = nullptr;
2298 // GuessPointerPointer() is passed the address of what might be a pointer to
2299 // a reference to an Objective-C class, selector, message ref or cfstring.
2300 // If so the value of the pointer is returned and one of the booleans are set
2301 // to true. If not zero is returned and all the booleans are set to false.
2302 static uint64_t GuessPointerPointer(uint64_t ReferenceValue,
2303 struct DisassembleInfo *info,
2304 bool &classref, bool &selref, bool &msgref,
2310 for (const auto &Load : info->O->load_commands()) {
2311 if (Load.C.cmd == MachO::LC_SEGMENT_64) {
2312 MachO::segment_command_64 Seg = info->O->getSegment64LoadCommand(Load);
2313 for (unsigned J = 0; J < Seg.nsects; ++J) {
2314 MachO::section_64 Sec = info->O->getSection64(Load, J);
2315 if ((strncmp(Sec.sectname, "__objc_selrefs", 16) == 0 ||
2316 strncmp(Sec.sectname, "__objc_classrefs", 16) == 0 ||
2317 strncmp(Sec.sectname, "__objc_superrefs", 16) == 0 ||
2318 strncmp(Sec.sectname, "__objc_msgrefs", 16) == 0 ||
2319 strncmp(Sec.sectname, "__cfstring", 16) == 0) &&
2320 ReferenceValue >= Sec.addr &&
2321 ReferenceValue < Sec.addr + Sec.size) {
2322 uint64_t sect_offset = ReferenceValue - Sec.addr;
2323 uint64_t object_offset = Sec.offset + sect_offset;
2324 StringRef MachOContents = info->O->getData();
2325 uint64_t object_size = MachOContents.size();
2326 const char *object_addr = (const char *)MachOContents.data();
2327 if (object_offset < object_size) {
2328 uint64_t pointer_value;
2329 memcpy(&pointer_value, object_addr + object_offset,
2331 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
2332 sys::swapByteOrder(pointer_value);
2333 if (strncmp(Sec.sectname, "__objc_selrefs", 16) == 0)
2335 else if (strncmp(Sec.sectname, "__objc_classrefs", 16) == 0 ||
2336 strncmp(Sec.sectname, "__objc_superrefs", 16) == 0)
2338 else if (strncmp(Sec.sectname, "__objc_msgrefs", 16) == 0 &&
2339 ReferenceValue + 8 < Sec.addr + Sec.size) {
2341 memcpy(&pointer_value, object_addr + object_offset + 8,
2343 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
2344 sys::swapByteOrder(pointer_value);
2345 } else if (strncmp(Sec.sectname, "__cfstring", 16) == 0)
2347 return pointer_value;
2354 // TODO: Look for LC_SEGMENT for 32-bit Mach-O files.
2359 // get_pointer_64 returns a pointer to the bytes in the object file at the
2360 // Address from a section in the Mach-O file. And indirectly returns the
2361 // offset into the section, number of bytes left in the section past the offset
2362 // and which section is was being referenced. If the Address is not in a
2363 // section nullptr is returned.
2364 static const char *get_pointer_64(uint64_t Address, uint32_t &offset,
2365 uint32_t &left, SectionRef &S,
2366 DisassembleInfo *info,
2367 bool objc_only = false) {
2371 for (unsigned SectIdx = 0; SectIdx != info->Sections->size(); SectIdx++) {
2372 uint64_t SectAddress = ((*(info->Sections))[SectIdx]).getAddress();
2373 uint64_t SectSize = ((*(info->Sections))[SectIdx]).getSize();
2378 ((*(info->Sections))[SectIdx]).getName(SectName);
2379 DataRefImpl Ref = ((*(info->Sections))[SectIdx]).getRawDataRefImpl();
2380 StringRef SegName = info->O->getSectionFinalSegmentName(Ref);
2381 if (SegName != "__OBJC" && SectName != "__cstring")
2384 if (Address >= SectAddress && Address < SectAddress + SectSize) {
2385 S = (*(info->Sections))[SectIdx];
2386 offset = Address - SectAddress;
2387 left = SectSize - offset;
2388 StringRef SectContents;
2389 ((*(info->Sections))[SectIdx]).getContents(SectContents);
2390 return SectContents.data() + offset;
2396 static const char *get_pointer_32(uint32_t Address, uint32_t &offset,
2397 uint32_t &left, SectionRef &S,
2398 DisassembleInfo *info,
2399 bool objc_only = false) {
2400 return get_pointer_64(Address, offset, left, S, info, objc_only);
2403 // get_symbol_64() returns the name of a symbol (or nullptr) and the address of
2404 // the symbol indirectly through n_value. Based on the relocation information
2405 // for the specified section offset in the specified section reference.
2406 // If no relocation information is found and a non-zero ReferenceValue for the
2407 // symbol is passed, look up that address in the info's AddrMap.
2408 static const char *get_symbol_64(uint32_t sect_offset, SectionRef S,
2409 DisassembleInfo *info, uint64_t &n_value,
2410 uint64_t ReferenceValue = 0) {
2415 // See if there is an external relocation entry at the sect_offset.
2416 bool reloc_found = false;
2418 MachO::any_relocation_info RE;
2419 bool isExtern = false;
2421 for (const RelocationRef &Reloc : S.relocations()) {
2422 uint64_t RelocOffset = Reloc.getOffset();
2423 if (RelocOffset == sect_offset) {
2424 Rel = Reloc.getRawDataRefImpl();
2425 RE = info->O->getRelocation(Rel);
2426 if (info->O->isRelocationScattered(RE))
2428 isExtern = info->O->getPlainRelocationExternal(RE);
2430 symbol_iterator RelocSym = Reloc.getSymbol();
2437 // If there is an external relocation entry for a symbol in this section
2438 // at this section_offset then use that symbol's value for the n_value
2439 // and return its name.
2440 const char *SymbolName = nullptr;
2441 if (reloc_found && isExtern) {
2442 n_value = Symbol.getValue();
2443 ErrorOr<StringRef> NameOrError = Symbol.getName();
2444 if (std::error_code EC = NameOrError.getError())
2445 report_fatal_error(EC.message());
2446 StringRef Name = *NameOrError;
2447 if (!Name.empty()) {
2448 SymbolName = Name.data();
2453 // TODO: For fully linked images, look through the external relocation
2454 // entries off the dynamic symtab command. For these the r_offset is from the
2455 // start of the first writeable segment in the Mach-O file. So the offset
2456 // to this section from that segment is passed to this routine by the caller,
2457 // as the database_offset. Which is the difference of the section's starting
2458 // address and the first writable segment.
2460 // NOTE: need add passing the database_offset to this routine.
2462 // We did not find an external relocation entry so look up the ReferenceValue
2463 // as an address of a symbol and if found return that symbol's name.
2464 SymbolName = GuessSymbolName(ReferenceValue, info->AddrMap);
2469 static const char *get_symbol_32(uint32_t sect_offset, SectionRef S,
2470 DisassembleInfo *info,
2471 uint32_t ReferenceValue) {
2473 return get_symbol_64(sect_offset, S, info, n_value64, ReferenceValue);
2476 // These are structs in the Objective-C meta data and read to produce the
2477 // comments for disassembly. While these are part of the ABI they are no
2478 // public defintions. So the are here not in include/llvm/Support/MachO.h .
2480 // The cfstring object in a 64-bit Mach-O file.
2481 struct cfstring64_t {
2482 uint64_t isa; // class64_t * (64-bit pointer)
2483 uint64_t flags; // flag bits
2484 uint64_t characters; // char * (64-bit pointer)
2485 uint64_t length; // number of non-NULL characters in above
2488 // The class object in a 64-bit Mach-O file.
2490 uint64_t isa; // class64_t * (64-bit pointer)
2491 uint64_t superclass; // class64_t * (64-bit pointer)
2492 uint64_t cache; // Cache (64-bit pointer)
2493 uint64_t vtable; // IMP * (64-bit pointer)
2494 uint64_t data; // class_ro64_t * (64-bit pointer)
2498 uint32_t isa; /* class32_t * (32-bit pointer) */
2499 uint32_t superclass; /* class32_t * (32-bit pointer) */
2500 uint32_t cache; /* Cache (32-bit pointer) */
2501 uint32_t vtable; /* IMP * (32-bit pointer) */
2502 uint32_t data; /* class_ro32_t * (32-bit pointer) */
2505 struct class_ro64_t {
2507 uint32_t instanceStart;
2508 uint32_t instanceSize;
2510 uint64_t ivarLayout; // const uint8_t * (64-bit pointer)
2511 uint64_t name; // const char * (64-bit pointer)
2512 uint64_t baseMethods; // const method_list_t * (64-bit pointer)
2513 uint64_t baseProtocols; // const protocol_list_t * (64-bit pointer)
2514 uint64_t ivars; // const ivar_list_t * (64-bit pointer)
2515 uint64_t weakIvarLayout; // const uint8_t * (64-bit pointer)
2516 uint64_t baseProperties; // const struct objc_property_list (64-bit pointer)
2519 struct class_ro32_t {
2521 uint32_t instanceStart;
2522 uint32_t instanceSize;
2523 uint32_t ivarLayout; /* const uint8_t * (32-bit pointer) */
2524 uint32_t name; /* const char * (32-bit pointer) */
2525 uint32_t baseMethods; /* const method_list_t * (32-bit pointer) */
2526 uint32_t baseProtocols; /* const protocol_list_t * (32-bit pointer) */
2527 uint32_t ivars; /* const ivar_list_t * (32-bit pointer) */
2528 uint32_t weakIvarLayout; /* const uint8_t * (32-bit pointer) */
2529 uint32_t baseProperties; /* const struct objc_property_list *
2533 /* Values for class_ro{64,32}_t->flags */
2534 #define RO_META (1 << 0)
2535 #define RO_ROOT (1 << 1)
2536 #define RO_HAS_CXX_STRUCTORS (1 << 2)
2538 struct method_list64_t {
2541 /* struct method64_t first; These structures follow inline */
2544 struct method_list32_t {
2547 /* struct method32_t first; These structures follow inline */
2551 uint64_t name; /* SEL (64-bit pointer) */
2552 uint64_t types; /* const char * (64-bit pointer) */
2553 uint64_t imp; /* IMP (64-bit pointer) */
2557 uint32_t name; /* SEL (32-bit pointer) */
2558 uint32_t types; /* const char * (32-bit pointer) */
2559 uint32_t imp; /* IMP (32-bit pointer) */
2562 struct protocol_list64_t {
2563 uint64_t count; /* uintptr_t (a 64-bit value) */
2564 /* struct protocol64_t * list[0]; These pointers follow inline */
2567 struct protocol_list32_t {
2568 uint32_t count; /* uintptr_t (a 32-bit value) */
2569 /* struct protocol32_t * list[0]; These pointers follow inline */
2572 struct protocol64_t {
2573 uint64_t isa; /* id * (64-bit pointer) */
2574 uint64_t name; /* const char * (64-bit pointer) */
2575 uint64_t protocols; /* struct protocol_list64_t *
2577 uint64_t instanceMethods; /* method_list_t * (64-bit pointer) */
2578 uint64_t classMethods; /* method_list_t * (64-bit pointer) */
2579 uint64_t optionalInstanceMethods; /* method_list_t * (64-bit pointer) */
2580 uint64_t optionalClassMethods; /* method_list_t * (64-bit pointer) */
2581 uint64_t instanceProperties; /* struct objc_property_list *
2585 struct protocol32_t {
2586 uint32_t isa; /* id * (32-bit pointer) */
2587 uint32_t name; /* const char * (32-bit pointer) */
2588 uint32_t protocols; /* struct protocol_list_t *
2590 uint32_t instanceMethods; /* method_list_t * (32-bit pointer) */
2591 uint32_t classMethods; /* method_list_t * (32-bit pointer) */
2592 uint32_t optionalInstanceMethods; /* method_list_t * (32-bit pointer) */
2593 uint32_t optionalClassMethods; /* method_list_t * (32-bit pointer) */
2594 uint32_t instanceProperties; /* struct objc_property_list *
2598 struct ivar_list64_t {
2601 /* struct ivar64_t first; These structures follow inline */
2604 struct ivar_list32_t {
2607 /* struct ivar32_t first; These structures follow inline */
2611 uint64_t offset; /* uintptr_t * (64-bit pointer) */
2612 uint64_t name; /* const char * (64-bit pointer) */
2613 uint64_t type; /* const char * (64-bit pointer) */
2619 uint32_t offset; /* uintptr_t * (32-bit pointer) */
2620 uint32_t name; /* const char * (32-bit pointer) */
2621 uint32_t type; /* const char * (32-bit pointer) */
2626 struct objc_property_list64 {
2629 /* struct objc_property64 first; These structures follow inline */
2632 struct objc_property_list32 {
2635 /* struct objc_property32 first; These structures follow inline */
2638 struct objc_property64 {
2639 uint64_t name; /* const char * (64-bit pointer) */
2640 uint64_t attributes; /* const char * (64-bit pointer) */
2643 struct objc_property32 {
2644 uint32_t name; /* const char * (32-bit pointer) */
2645 uint32_t attributes; /* const char * (32-bit pointer) */
2648 struct category64_t {
2649 uint64_t name; /* const char * (64-bit pointer) */
2650 uint64_t cls; /* struct class_t * (64-bit pointer) */
2651 uint64_t instanceMethods; /* struct method_list_t * (64-bit pointer) */
2652 uint64_t classMethods; /* struct method_list_t * (64-bit pointer) */
2653 uint64_t protocols; /* struct protocol_list_t * (64-bit pointer) */
2654 uint64_t instanceProperties; /* struct objc_property_list *
2658 struct category32_t {
2659 uint32_t name; /* const char * (32-bit pointer) */
2660 uint32_t cls; /* struct class_t * (32-bit pointer) */
2661 uint32_t instanceMethods; /* struct method_list_t * (32-bit pointer) */
2662 uint32_t classMethods; /* struct method_list_t * (32-bit pointer) */
2663 uint32_t protocols; /* struct protocol_list_t * (32-bit pointer) */
2664 uint32_t instanceProperties; /* struct objc_property_list *
2668 struct objc_image_info64 {
2672 struct objc_image_info32 {
2676 struct imageInfo_t {
2680 /* masks for objc_image_info.flags */
2681 #define OBJC_IMAGE_IS_REPLACEMENT (1 << 0)
2682 #define OBJC_IMAGE_SUPPORTS_GC (1 << 1)
2684 struct message_ref64 {
2685 uint64_t imp; /* IMP (64-bit pointer) */
2686 uint64_t sel; /* SEL (64-bit pointer) */
2689 struct message_ref32 {
2690 uint32_t imp; /* IMP (32-bit pointer) */
2691 uint32_t sel; /* SEL (32-bit pointer) */
2694 // Objective-C 1 (32-bit only) meta data structs.
2696 struct objc_module_t {
2699 uint32_t name; /* char * (32-bit pointer) */
2700 uint32_t symtab; /* struct objc_symtab * (32-bit pointer) */
2703 struct objc_symtab_t {
2704 uint32_t sel_ref_cnt;
2705 uint32_t refs; /* SEL * (32-bit pointer) */
2706 uint16_t cls_def_cnt;
2707 uint16_t cat_def_cnt;
2708 // uint32_t defs[1]; /* void * (32-bit pointer) variable size */
2711 struct objc_class_t {
2712 uint32_t isa; /* struct objc_class * (32-bit pointer) */
2713 uint32_t super_class; /* struct objc_class * (32-bit pointer) */
2714 uint32_t name; /* const char * (32-bit pointer) */
2717 int32_t instance_size;
2718 uint32_t ivars; /* struct objc_ivar_list * (32-bit pointer) */
2719 uint32_t methodLists; /* struct objc_method_list ** (32-bit pointer) */
2720 uint32_t cache; /* struct objc_cache * (32-bit pointer) */
2721 uint32_t protocols; /* struct objc_protocol_list * (32-bit pointer) */
2724 #define CLS_GETINFO(cls, infomask) ((cls)->info & (infomask))
2725 // class is not a metaclass
2726 #define CLS_CLASS 0x1
2727 // class is a metaclass
2728 #define CLS_META 0x2
2730 struct objc_category_t {
2731 uint32_t category_name; /* char * (32-bit pointer) */
2732 uint32_t class_name; /* char * (32-bit pointer) */
2733 uint32_t instance_methods; /* struct objc_method_list * (32-bit pointer) */
2734 uint32_t class_methods; /* struct objc_method_list * (32-bit pointer) */
2735 uint32_t protocols; /* struct objc_protocol_list * (32-bit ptr) */
2738 struct objc_ivar_t {
2739 uint32_t ivar_name; /* char * (32-bit pointer) */
2740 uint32_t ivar_type; /* char * (32-bit pointer) */
2741 int32_t ivar_offset;
2744 struct objc_ivar_list_t {
2746 // struct objc_ivar_t ivar_list[1]; /* variable length structure */
2749 struct objc_method_list_t {
2750 uint32_t obsolete; /* struct objc_method_list * (32-bit pointer) */
2751 int32_t method_count;
2752 // struct objc_method_t method_list[1]; /* variable length structure */
2755 struct objc_method_t {
2756 uint32_t method_name; /* SEL, aka struct objc_selector * (32-bit pointer) */
2757 uint32_t method_types; /* char * (32-bit pointer) */
2758 uint32_t method_imp; /* IMP, aka function pointer, (*IMP)(id, SEL, ...)
2762 struct objc_protocol_list_t {
2763 uint32_t next; /* struct objc_protocol_list * (32-bit pointer) */
2765 // uint32_t list[1]; /* Protocol *, aka struct objc_protocol_t *
2766 // (32-bit pointer) */
2769 struct objc_protocol_t {
2770 uint32_t isa; /* struct objc_class * (32-bit pointer) */
2771 uint32_t protocol_name; /* char * (32-bit pointer) */
2772 uint32_t protocol_list; /* struct objc_protocol_list * (32-bit pointer) */
2773 uint32_t instance_methods; /* struct objc_method_description_list *
2775 uint32_t class_methods; /* struct objc_method_description_list *
2779 struct objc_method_description_list_t {
2781 // struct objc_method_description_t list[1];
2784 struct objc_method_description_t {
2785 uint32_t name; /* SEL, aka struct objc_selector * (32-bit pointer) */
2786 uint32_t types; /* char * (32-bit pointer) */
2789 inline void swapStruct(struct cfstring64_t &cfs) {
2790 sys::swapByteOrder(cfs.isa);
2791 sys::swapByteOrder(cfs.flags);
2792 sys::swapByteOrder(cfs.characters);
2793 sys::swapByteOrder(cfs.length);
2796 inline void swapStruct(struct class64_t &c) {
2797 sys::swapByteOrder(c.isa);
2798 sys::swapByteOrder(c.superclass);
2799 sys::swapByteOrder(c.cache);
2800 sys::swapByteOrder(c.vtable);
2801 sys::swapByteOrder(c.data);
2804 inline void swapStruct(struct class32_t &c) {
2805 sys::swapByteOrder(c.isa);
2806 sys::swapByteOrder(c.superclass);
2807 sys::swapByteOrder(c.cache);
2808 sys::swapByteOrder(c.vtable);
2809 sys::swapByteOrder(c.data);
2812 inline void swapStruct(struct class_ro64_t &cro) {
2813 sys::swapByteOrder(cro.flags);
2814 sys::swapByteOrder(cro.instanceStart);
2815 sys::swapByteOrder(cro.instanceSize);
2816 sys::swapByteOrder(cro.reserved);
2817 sys::swapByteOrder(cro.ivarLayout);
2818 sys::swapByteOrder(cro.name);
2819 sys::swapByteOrder(cro.baseMethods);
2820 sys::swapByteOrder(cro.baseProtocols);
2821 sys::swapByteOrder(cro.ivars);
2822 sys::swapByteOrder(cro.weakIvarLayout);
2823 sys::swapByteOrder(cro.baseProperties);
2826 inline void swapStruct(struct class_ro32_t &cro) {
2827 sys::swapByteOrder(cro.flags);
2828 sys::swapByteOrder(cro.instanceStart);
2829 sys::swapByteOrder(cro.instanceSize);
2830 sys::swapByteOrder(cro.ivarLayout);
2831 sys::swapByteOrder(cro.name);
2832 sys::swapByteOrder(cro.baseMethods);
2833 sys::swapByteOrder(cro.baseProtocols);
2834 sys::swapByteOrder(cro.ivars);
2835 sys::swapByteOrder(cro.weakIvarLayout);
2836 sys::swapByteOrder(cro.baseProperties);
2839 inline void swapStruct(struct method_list64_t &ml) {
2840 sys::swapByteOrder(ml.entsize);
2841 sys::swapByteOrder(ml.count);
2844 inline void swapStruct(struct method_list32_t &ml) {
2845 sys::swapByteOrder(ml.entsize);
2846 sys::swapByteOrder(ml.count);
2849 inline void swapStruct(struct method64_t &m) {
2850 sys::swapByteOrder(m.name);
2851 sys::swapByteOrder(m.types);
2852 sys::swapByteOrder(m.imp);
2855 inline void swapStruct(struct method32_t &m) {
2856 sys::swapByteOrder(m.name);
2857 sys::swapByteOrder(m.types);
2858 sys::swapByteOrder(m.imp);
2861 inline void swapStruct(struct protocol_list64_t &pl) {
2862 sys::swapByteOrder(pl.count);
2865 inline void swapStruct(struct protocol_list32_t &pl) {
2866 sys::swapByteOrder(pl.count);
2869 inline void swapStruct(struct protocol64_t &p) {
2870 sys::swapByteOrder(p.isa);
2871 sys::swapByteOrder(p.name);
2872 sys::swapByteOrder(p.protocols);
2873 sys::swapByteOrder(p.instanceMethods);
2874 sys::swapByteOrder(p.classMethods);
2875 sys::swapByteOrder(p.optionalInstanceMethods);
2876 sys::swapByteOrder(p.optionalClassMethods);
2877 sys::swapByteOrder(p.instanceProperties);
2880 inline void swapStruct(struct protocol32_t &p) {
2881 sys::swapByteOrder(p.isa);
2882 sys::swapByteOrder(p.name);
2883 sys::swapByteOrder(p.protocols);
2884 sys::swapByteOrder(p.instanceMethods);
2885 sys::swapByteOrder(p.classMethods);
2886 sys::swapByteOrder(p.optionalInstanceMethods);
2887 sys::swapByteOrder(p.optionalClassMethods);
2888 sys::swapByteOrder(p.instanceProperties);
2891 inline void swapStruct(struct ivar_list64_t &il) {
2892 sys::swapByteOrder(il.entsize);
2893 sys::swapByteOrder(il.count);
2896 inline void swapStruct(struct ivar_list32_t &il) {
2897 sys::swapByteOrder(il.entsize);
2898 sys::swapByteOrder(il.count);
2901 inline void swapStruct(struct ivar64_t &i) {
2902 sys::swapByteOrder(i.offset);
2903 sys::swapByteOrder(i.name);
2904 sys::swapByteOrder(i.type);
2905 sys::swapByteOrder(i.alignment);
2906 sys::swapByteOrder(i.size);
2909 inline void swapStruct(struct ivar32_t &i) {
2910 sys::swapByteOrder(i.offset);
2911 sys::swapByteOrder(i.name);
2912 sys::swapByteOrder(i.type);
2913 sys::swapByteOrder(i.alignment);
2914 sys::swapByteOrder(i.size);
2917 inline void swapStruct(struct objc_property_list64 &pl) {
2918 sys::swapByteOrder(pl.entsize);
2919 sys::swapByteOrder(pl.count);
2922 inline void swapStruct(struct objc_property_list32 &pl) {
2923 sys::swapByteOrder(pl.entsize);
2924 sys::swapByteOrder(pl.count);
2927 inline void swapStruct(struct objc_property64 &op) {
2928 sys::swapByteOrder(op.name);
2929 sys::swapByteOrder(op.attributes);
2932 inline void swapStruct(struct objc_property32 &op) {
2933 sys::swapByteOrder(op.name);
2934 sys::swapByteOrder(op.attributes);
2937 inline void swapStruct(struct category64_t &c) {
2938 sys::swapByteOrder(c.name);
2939 sys::swapByteOrder(c.cls);
2940 sys::swapByteOrder(c.instanceMethods);
2941 sys::swapByteOrder(c.classMethods);
2942 sys::swapByteOrder(c.protocols);
2943 sys::swapByteOrder(c.instanceProperties);
2946 inline void swapStruct(struct category32_t &c) {
2947 sys::swapByteOrder(c.name);
2948 sys::swapByteOrder(c.cls);
2949 sys::swapByteOrder(c.instanceMethods);
2950 sys::swapByteOrder(c.classMethods);
2951 sys::swapByteOrder(c.protocols);
2952 sys::swapByteOrder(c.instanceProperties);
2955 inline void swapStruct(struct objc_image_info64 &o) {
2956 sys::swapByteOrder(o.version);
2957 sys::swapByteOrder(o.flags);
2960 inline void swapStruct(struct objc_image_info32 &o) {
2961 sys::swapByteOrder(o.version);
2962 sys::swapByteOrder(o.flags);
2965 inline void swapStruct(struct imageInfo_t &o) {
2966 sys::swapByteOrder(o.version);
2967 sys::swapByteOrder(o.flags);
2970 inline void swapStruct(struct message_ref64 &mr) {
2971 sys::swapByteOrder(mr.imp);
2972 sys::swapByteOrder(mr.sel);
2975 inline void swapStruct(struct message_ref32 &mr) {
2976 sys::swapByteOrder(mr.imp);
2977 sys::swapByteOrder(mr.sel);
2980 inline void swapStruct(struct objc_module_t &module) {
2981 sys::swapByteOrder(module.version);
2982 sys::swapByteOrder(module.size);
2983 sys::swapByteOrder(module.name);
2984 sys::swapByteOrder(module.symtab);
2987 inline void swapStruct(struct objc_symtab_t &symtab) {
2988 sys::swapByteOrder(symtab.sel_ref_cnt);
2989 sys::swapByteOrder(symtab.refs);
2990 sys::swapByteOrder(symtab.cls_def_cnt);
2991 sys::swapByteOrder(symtab.cat_def_cnt);
2994 inline void swapStruct(struct objc_class_t &objc_class) {
2995 sys::swapByteOrder(objc_class.isa);
2996 sys::swapByteOrder(objc_class.super_class);
2997 sys::swapByteOrder(objc_class.name);
2998 sys::swapByteOrder(objc_class.version);
2999 sys::swapByteOrder(objc_class.info);
3000 sys::swapByteOrder(objc_class.instance_size);
3001 sys::swapByteOrder(objc_class.ivars);
3002 sys::swapByteOrder(objc_class.methodLists);
3003 sys::swapByteOrder(objc_class.cache);
3004 sys::swapByteOrder(objc_class.protocols);
3007 inline void swapStruct(struct objc_category_t &objc_category) {
3008 sys::swapByteOrder(objc_category.category_name);
3009 sys::swapByteOrder(objc_category.class_name);
3010 sys::swapByteOrder(objc_category.instance_methods);
3011 sys::swapByteOrder(objc_category.class_methods);
3012 sys::swapByteOrder(objc_category.protocols);
3015 inline void swapStruct(struct objc_ivar_list_t &objc_ivar_list) {
3016 sys::swapByteOrder(objc_ivar_list.ivar_count);
3019 inline void swapStruct(struct objc_ivar_t &objc_ivar) {
3020 sys::swapByteOrder(objc_ivar.ivar_name);
3021 sys::swapByteOrder(objc_ivar.ivar_type);
3022 sys::swapByteOrder(objc_ivar.ivar_offset);
3025 inline void swapStruct(struct objc_method_list_t &method_list) {
3026 sys::swapByteOrder(method_list.obsolete);
3027 sys::swapByteOrder(method_list.method_count);
3030 inline void swapStruct(struct objc_method_t &method) {
3031 sys::swapByteOrder(method.method_name);
3032 sys::swapByteOrder(method.method_types);
3033 sys::swapByteOrder(method.method_imp);
3036 inline void swapStruct(struct objc_protocol_list_t &protocol_list) {
3037 sys::swapByteOrder(protocol_list.next);
3038 sys::swapByteOrder(protocol_list.count);
3041 inline void swapStruct(struct objc_protocol_t &protocol) {
3042 sys::swapByteOrder(protocol.isa);
3043 sys::swapByteOrder(protocol.protocol_name);
3044 sys::swapByteOrder(protocol.protocol_list);
3045 sys::swapByteOrder(protocol.instance_methods);
3046 sys::swapByteOrder(protocol.class_methods);
3049 inline void swapStruct(struct objc_method_description_list_t &mdl) {
3050 sys::swapByteOrder(mdl.count);
3053 inline void swapStruct(struct objc_method_description_t &md) {
3054 sys::swapByteOrder(md.name);
3055 sys::swapByteOrder(md.types);
3058 static const char *get_dyld_bind_info_symbolname(uint64_t ReferenceValue,
3059 struct DisassembleInfo *info);
3061 // get_objc2_64bit_class_name() is used for disassembly and is passed a pointer
3062 // to an Objective-C class and returns the class name. It is also passed the
3063 // address of the pointer, so when the pointer is zero as it can be in an .o
3064 // file, that is used to look for an external relocation entry with a symbol
3066 static const char *get_objc2_64bit_class_name(uint64_t pointer_value,
3067 uint64_t ReferenceValue,
3068 struct DisassembleInfo *info) {
3070 uint32_t offset, left;
3073 // The pointer_value can be 0 in an object file and have a relocation
3074 // entry for the class symbol at the ReferenceValue (the address of the
3076 if (pointer_value == 0) {
3077 r = get_pointer_64(ReferenceValue, offset, left, S, info);
3078 if (r == nullptr || left < sizeof(uint64_t))
3081 const char *symbol_name = get_symbol_64(offset, S, info, n_value);
3082 if (symbol_name == nullptr)
3084 const char *class_name = strrchr(symbol_name, '$');
3085 if (class_name != nullptr && class_name[1] == '_' && class_name[2] != '\0')
3086 return class_name + 2;
3091 // The case were the pointer_value is non-zero and points to a class defined
3092 // in this Mach-O file.
3093 r = get_pointer_64(pointer_value, offset, left, S, info);
3094 if (r == nullptr || left < sizeof(struct class64_t))
3097 memcpy(&c, r, sizeof(struct class64_t));
3098 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
3102 r = get_pointer_64(c.data, offset, left, S, info);
3103 if (r == nullptr || left < sizeof(struct class_ro64_t))
3105 struct class_ro64_t cro;
3106 memcpy(&cro, r, sizeof(struct class_ro64_t));
3107 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
3111 const char *name = get_pointer_64(cro.name, offset, left, S, info);
3115 // get_objc2_64bit_cfstring_name is used for disassembly and is passed a
3116 // pointer to a cfstring and returns its name or nullptr.
3117 static const char *get_objc2_64bit_cfstring_name(uint64_t ReferenceValue,
3118 struct DisassembleInfo *info) {
3119 const char *r, *name;
3120 uint32_t offset, left;
3122 struct cfstring64_t cfs;
3123 uint64_t cfs_characters;
3125 r = get_pointer_64(ReferenceValue, offset, left, S, info);
3126 if (r == nullptr || left < sizeof(struct cfstring64_t))
3128 memcpy(&cfs, r, sizeof(struct cfstring64_t));
3129 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
3131 if (cfs.characters == 0) {
3133 const char *symbol_name = get_symbol_64(
3134 offset + offsetof(struct cfstring64_t, characters), S, info, n_value);
3135 if (symbol_name == nullptr)
3137 cfs_characters = n_value;
3139 cfs_characters = cfs.characters;
3140 name = get_pointer_64(cfs_characters, offset, left, S, info);
3145 // get_objc2_64bit_selref() is used for disassembly and is passed a the address
3146 // of a pointer to an Objective-C selector reference when the pointer value is
3147 // zero as in a .o file and is likely to have a external relocation entry with
3148 // who's symbol's n_value is the real pointer to the selector name. If that is
3149 // the case the real pointer to the selector name is returned else 0 is
3151 static uint64_t get_objc2_64bit_selref(uint64_t ReferenceValue,
3152 struct DisassembleInfo *info) {
3153 uint32_t offset, left;
3156 const char *r = get_pointer_64(ReferenceValue, offset, left, S, info);
3157 if (r == nullptr || left < sizeof(uint64_t))
3160 const char *symbol_name = get_symbol_64(offset, S, info, n_value);
3161 if (symbol_name == nullptr)
3166 static const SectionRef get_section(MachOObjectFile *O, const char *segname,
3167 const char *sectname) {
3168 for (const SectionRef &Section : O->sections()) {
3170 Section.getName(SectName);
3171 DataRefImpl Ref = Section.getRawDataRefImpl();
3172 StringRef SegName = O->getSectionFinalSegmentName(Ref);
3173 if (SegName == segname && SectName == sectname)
3176 return SectionRef();
3180 walk_pointer_list_64(const char *listname, const SectionRef S,
3181 MachOObjectFile *O, struct DisassembleInfo *info,
3182 void (*func)(uint64_t, struct DisassembleInfo *info)) {
3183 if (S == SectionRef())
3187 S.getName(SectName);
3188 DataRefImpl Ref = S.getRawDataRefImpl();
3189 StringRef SegName = O->getSectionFinalSegmentName(Ref);
3190 outs() << "Contents of (" << SegName << "," << SectName << ") section\n";
3193 S.getContents(BytesStr);
3194 const char *Contents = reinterpret_cast<const char *>(BytesStr.data());
3196 for (uint32_t i = 0; i < S.getSize(); i += sizeof(uint64_t)) {
3197 uint32_t left = S.getSize() - i;
3198 uint32_t size = left < sizeof(uint64_t) ? left : sizeof(uint64_t);
3200 memcpy(&p, Contents + i, size);
3201 if (i + sizeof(uint64_t) > S.getSize())
3202 outs() << listname << " list pointer extends past end of (" << SegName
3203 << "," << SectName << ") section\n";
3204 outs() << format("%016" PRIx64, S.getAddress() + i) << " ";
3206 if (O->isLittleEndian() != sys::IsLittleEndianHost)
3207 sys::swapByteOrder(p);
3209 uint64_t n_value = 0;
3210 const char *name = get_symbol_64(i, S, info, n_value, p);
3211 if (name == nullptr)
3212 name = get_dyld_bind_info_symbolname(S.getAddress() + i, info);
3215 outs() << format("0x%" PRIx64, n_value);
3217 outs() << " + " << format("0x%" PRIx64, p);
3219 outs() << format("0x%" PRIx64, p);
3220 if (name != nullptr)
3221 outs() << " " << name;
3231 walk_pointer_list_32(const char *listname, const SectionRef S,
3232 MachOObjectFile *O, struct DisassembleInfo *info,
3233 void (*func)(uint32_t, struct DisassembleInfo *info)) {
3234 if (S == SectionRef())
3238 S.getName(SectName);
3239 DataRefImpl Ref = S.getRawDataRefImpl();
3240 StringRef SegName = O->getSectionFinalSegmentName(Ref);
3241 outs() << "Contents of (" << SegName << "," << SectName << ") section\n";
3244 S.getContents(BytesStr);
3245 const char *Contents = reinterpret_cast<const char *>(BytesStr.data());
3247 for (uint32_t i = 0; i < S.getSize(); i += sizeof(uint32_t)) {
3248 uint32_t left = S.getSize() - i;
3249 uint32_t size = left < sizeof(uint32_t) ? left : sizeof(uint32_t);
3251 memcpy(&p, Contents + i, size);
3252 if (i + sizeof(uint32_t) > S.getSize())
3253 outs() << listname << " list pointer extends past end of (" << SegName
3254 << "," << SectName << ") section\n";
3255 uint32_t Address = S.getAddress() + i;
3256 outs() << format("%08" PRIx32, Address) << " ";
3258 if (O->isLittleEndian() != sys::IsLittleEndianHost)
3259 sys::swapByteOrder(p);
3260 outs() << format("0x%" PRIx32, p);
3262 const char *name = get_symbol_32(i, S, info, p);
3263 if (name != nullptr)
3264 outs() << " " << name;
3272 static void print_layout_map(const char *layout_map, uint32_t left) {
3273 if (layout_map == nullptr)
3275 outs() << " layout map: ";
3277 outs() << format("0x%02" PRIx32, (*layout_map) & 0xff) << " ";
3280 } while (*layout_map != '\0' && left != 0);
3284 static void print_layout_map64(uint64_t p, struct DisassembleInfo *info) {
3285 uint32_t offset, left;
3287 const char *layout_map;
3291 layout_map = get_pointer_64(p, offset, left, S, info);
3292 print_layout_map(layout_map, left);
3295 static void print_layout_map32(uint32_t p, struct DisassembleInfo *info) {
3296 uint32_t offset, left;
3298 const char *layout_map;
3302 layout_map = get_pointer_32(p, offset, left, S, info);
3303 print_layout_map(layout_map, left);
3306 static void print_method_list64_t(uint64_t p, struct DisassembleInfo *info,
3307 const char *indent) {
3308 struct method_list64_t ml;
3309 struct method64_t m;
3311 uint32_t offset, xoffset, left, i;
3313 const char *name, *sym_name;
3316 r = get_pointer_64(p, offset, left, S, info);
3319 memset(&ml, '\0', sizeof(struct method_list64_t));
3320 if (left < sizeof(struct method_list64_t)) {
3321 memcpy(&ml, r, left);
3322 outs() << " (method_list_t entends past the end of the section)\n";
3324 memcpy(&ml, r, sizeof(struct method_list64_t));
3325 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
3327 outs() << indent << "\t\t entsize " << ml.entsize << "\n";
3328 outs() << indent << "\t\t count " << ml.count << "\n";
3330 p += sizeof(struct method_list64_t);
3331 offset += sizeof(struct method_list64_t);
3332 for (i = 0; i < ml.count; i++) {
3333 r = get_pointer_64(p, offset, left, S, info);
3336 memset(&m, '\0', sizeof(struct method64_t));
3337 if (left < sizeof(struct method64_t)) {
3338 memcpy(&m, r, left);
3339 outs() << indent << " (method_t extends past the end of the section)\n";
3341 memcpy(&m, r, sizeof(struct method64_t));
3342 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
3345 outs() << indent << "\t\t name ";
3346 sym_name = get_symbol_64(offset + offsetof(struct method64_t, name), S,
3347 info, n_value, m.name);
3349 if (info->verbose && sym_name != nullptr)
3352 outs() << format("0x%" PRIx64, n_value);
3354 outs() << " + " << format("0x%" PRIx64, m.name);
3356 outs() << format("0x%" PRIx64, m.name);
3357 name = get_pointer_64(m.name + n_value, xoffset, left, xS, info);
3358 if (name != nullptr)
3359 outs() << format(" %.*s", left, name);
3362 outs() << indent << "\t\t types ";
3363 sym_name = get_symbol_64(offset + offsetof(struct method64_t, types), S,
3364 info, n_value, m.types);
3366 if (info->verbose && sym_name != nullptr)
3369 outs() << format("0x%" PRIx64, n_value);
3371 outs() << " + " << format("0x%" PRIx64, m.types);
3373 outs() << format("0x%" PRIx64, m.types);
3374 name = get_pointer_64(m.types + n_value, xoffset, left, xS, info);
3375 if (name != nullptr)
3376 outs() << format(" %.*s", left, name);
3379 outs() << indent << "\t\t imp ";
3380 name = get_symbol_64(offset + offsetof(struct method64_t, imp), S, info,
3382 if (info->verbose && name == nullptr) {
3384 outs() << format("0x%" PRIx64, n_value) << " ";
3386 outs() << "+ " << format("0x%" PRIx64, m.imp) << " ";
3388 outs() << format("0x%" PRIx64, m.imp) << " ";
3390 if (name != nullptr)
3394 p += sizeof(struct method64_t);
3395 offset += sizeof(struct method64_t);
3399 static void print_method_list32_t(uint64_t p, struct DisassembleInfo *info,
3400 const char *indent) {
3401 struct method_list32_t ml;
3402 struct method32_t m;
3403 const char *r, *name;
3404 uint32_t offset, xoffset, left, i;
3407 r = get_pointer_32(p, offset, left, S, info);
3410 memset(&ml, '\0', sizeof(struct method_list32_t));
3411 if (left < sizeof(struct method_list32_t)) {
3412 memcpy(&ml, r, left);
3413 outs() << " (method_list_t entends past the end of the section)\n";
3415 memcpy(&ml, r, sizeof(struct method_list32_t));
3416 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
3418 outs() << indent << "\t\t entsize " << ml.entsize << "\n";
3419 outs() << indent << "\t\t count " << ml.count << "\n";
3421 p += sizeof(struct method_list32_t);
3422 offset += sizeof(struct method_list32_t);
3423 for (i = 0; i < ml.count; i++) {
3424 r = get_pointer_32(p, offset, left, S, info);
3427 memset(&m, '\0', sizeof(struct method32_t));
3428 if (left < sizeof(struct method32_t)) {
3429 memcpy(&ml, r, left);
3430 outs() << indent << " (method_t entends past the end of the section)\n";
3432 memcpy(&m, r, sizeof(struct method32_t));
3433 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
3436 outs() << indent << "\t\t name " << format("0x%" PRIx32, m.name);
3437 name = get_pointer_32(m.name, xoffset, left, xS, info);
3438 if (name != nullptr)
3439 outs() << format(" %.*s", left, name);
3442 outs() << indent << "\t\t types " << format("0x%" PRIx32, m.types);
3443 name = get_pointer_32(m.types, xoffset, left, xS, info);
3444 if (name != nullptr)
3445 outs() << format(" %.*s", left, name);
3448 outs() << indent << "\t\t imp " << format("0x%" PRIx32, m.imp);
3449 name = get_symbol_32(offset + offsetof(struct method32_t, imp), S, info,
3451 if (name != nullptr)
3452 outs() << " " << name;
3455 p += sizeof(struct method32_t);
3456 offset += sizeof(struct method32_t);
3460 static bool print_method_list(uint32_t p, struct DisassembleInfo *info) {
3461 uint32_t offset, left, xleft;
3463 struct objc_method_list_t method_list;
3464 struct objc_method_t method;
3465 const char *r, *methods, *name, *SymbolName;
3468 r = get_pointer_32(p, offset, left, S, info, true);
3473 if (left > sizeof(struct objc_method_list_t)) {
3474 memcpy(&method_list, r, sizeof(struct objc_method_list_t));
3476 outs() << "\t\t objc_method_list extends past end of the section\n";
3477 memset(&method_list, '\0', sizeof(struct objc_method_list_t));
3478 memcpy(&method_list, r, left);
3480 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
3481 swapStruct(method_list);
3483 outs() << "\t\t obsolete "
3484 << format("0x%08" PRIx32, method_list.obsolete) << "\n";
3485 outs() << "\t\t method_count " << method_list.method_count << "\n";
3487 methods = r + sizeof(struct objc_method_list_t);
3488 for (i = 0; i < method_list.method_count; i++) {
3489 if ((i + 1) * sizeof(struct objc_method_t) > left) {
3490 outs() << "\t\t remaining method's extend past the of the section\n";
3493 memcpy(&method, methods + i * sizeof(struct objc_method_t),
3494 sizeof(struct objc_method_t));
3495 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
3498 outs() << "\t\t method_name "
3499 << format("0x%08" PRIx32, method.method_name);
3500 if (info->verbose) {
3501 name = get_pointer_32(method.method_name, offset, xleft, S, info, true);
3502 if (name != nullptr)
3503 outs() << format(" %.*s", xleft, name);
3505 outs() << " (not in an __OBJC section)";
3509 outs() << "\t\t method_types "
3510 << format("0x%08" PRIx32, method.method_types);
3511 if (info->verbose) {
3512 name = get_pointer_32(method.method_types, offset, xleft, S, info, true);
3513 if (name != nullptr)
3514 outs() << format(" %.*s", xleft, name);
3516 outs() << " (not in an __OBJC section)";
3520 outs() << "\t\t method_imp "
3521 << format("0x%08" PRIx32, method.method_imp) << " ";
3522 if (info->verbose) {
3523 SymbolName = GuessSymbolName(method.method_imp, info->AddrMap);
3524 if (SymbolName != nullptr)
3525 outs() << SymbolName;
3532 static void print_protocol_list64_t(uint64_t p, struct DisassembleInfo *info) {
3533 struct protocol_list64_t pl;
3534 uint64_t q, n_value;
3535 struct protocol64_t pc;
3537 uint32_t offset, xoffset, left, i;
3539 const char *name, *sym_name;
3541 r = get_pointer_64(p, offset, left, S, info);
3544 memset(&pl, '\0', sizeof(struct protocol_list64_t));
3545 if (left < sizeof(struct protocol_list64_t)) {
3546 memcpy(&pl, r, left);
3547 outs() << " (protocol_list_t entends past the end of the section)\n";
3549 memcpy(&pl, r, sizeof(struct protocol_list64_t));
3550 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
3552 outs() << " count " << pl.count << "\n";
3554 p += sizeof(struct protocol_list64_t);
3555 offset += sizeof(struct protocol_list64_t);
3556 for (i = 0; i < pl.count; i++) {
3557 r = get_pointer_64(p, offset, left, S, info);
3561 if (left < sizeof(uint64_t)) {
3562 memcpy(&q, r, left);
3563 outs() << " (protocol_t * entends past the end of the section)\n";
3565 memcpy(&q, r, sizeof(uint64_t));
3566 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
3567 sys::swapByteOrder(q);
3569 outs() << "\t\t list[" << i << "] ";
3570 sym_name = get_symbol_64(offset, S, info, n_value, q);
3572 if (info->verbose && sym_name != nullptr)
3575 outs() << format("0x%" PRIx64, n_value);
3577 outs() << " + " << format("0x%" PRIx64, q);
3579 outs() << format("0x%" PRIx64, q);
3580 outs() << " (struct protocol_t *)\n";
3582 r = get_pointer_64(q + n_value, offset, left, S, info);
3585 memset(&pc, '\0', sizeof(struct protocol64_t));
3586 if (left < sizeof(struct protocol64_t)) {
3587 memcpy(&pc, r, left);
3588 outs() << " (protocol_t entends past the end of the section)\n";
3590 memcpy(&pc, r, sizeof(struct protocol64_t));
3591 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
3594 outs() << "\t\t\t isa " << format("0x%" PRIx64, pc.isa) << "\n";
3596 outs() << "\t\t\t name ";
3597 sym_name = get_symbol_64(offset + offsetof(struct protocol64_t, name), S,
3598 info, n_value, pc.name);
3600 if (info->verbose && sym_name != nullptr)
3603 outs() << format("0x%" PRIx64, n_value);
3605 outs() << " + " << format("0x%" PRIx64, pc.name);
3607 outs() << format("0x%" PRIx64, pc.name);
3608 name = get_pointer_64(pc.name + n_value, xoffset, left, xS, info);
3609 if (name != nullptr)
3610 outs() << format(" %.*s", left, name);
3613 outs() << "\t\t\tprotocols " << format("0x%" PRIx64, pc.protocols) << "\n";
3615 outs() << "\t\t instanceMethods ";
3617 get_symbol_64(offset + offsetof(struct protocol64_t, instanceMethods),
3618 S, info, n_value, pc.instanceMethods);
3620 if (info->verbose && sym_name != nullptr)
3623 outs() << format("0x%" PRIx64, n_value);
3624 if (pc.instanceMethods != 0)
3625 outs() << " + " << format("0x%" PRIx64, pc.instanceMethods);
3627 outs() << format("0x%" PRIx64, pc.instanceMethods);
3628 outs() << " (struct method_list_t *)\n";
3629 if (pc.instanceMethods + n_value != 0)
3630 print_method_list64_t(pc.instanceMethods + n_value, info, "\t");
3632 outs() << "\t\t classMethods ";
3634 get_symbol_64(offset + offsetof(struct protocol64_t, classMethods), S,
3635 info, n_value, pc.classMethods);
3637 if (info->verbose && sym_name != nullptr)
3640 outs() << format("0x%" PRIx64, n_value);
3641 if (pc.classMethods != 0)
3642 outs() << " + " << format("0x%" PRIx64, pc.classMethods);
3644 outs() << format("0x%" PRIx64, pc.classMethods);
3645 outs() << " (struct method_list_t *)\n";
3646 if (pc.classMethods + n_value != 0)
3647 print_method_list64_t(pc.classMethods + n_value, info, "\t");
3649 outs() << "\t optionalInstanceMethods "
3650 << format("0x%" PRIx64, pc.optionalInstanceMethods) << "\n";
3651 outs() << "\t optionalClassMethods "
3652 << format("0x%" PRIx64, pc.optionalClassMethods) << "\n";
3653 outs() << "\t instanceProperties "
3654 << format("0x%" PRIx64, pc.instanceProperties) << "\n";
3656 p += sizeof(uint64_t);
3657 offset += sizeof(uint64_t);
3661 static void print_protocol_list32_t(uint32_t p, struct DisassembleInfo *info) {
3662 struct protocol_list32_t pl;
3664 struct protocol32_t pc;
3666 uint32_t offset, xoffset, left, i;
3670 r = get_pointer_32(p, offset, left, S, info);
3673 memset(&pl, '\0', sizeof(struct protocol_list32_t));
3674 if (left < sizeof(struct protocol_list32_t)) {
3675 memcpy(&pl, r, left);
3676 outs() << " (protocol_list_t entends past the end of the section)\n";
3678 memcpy(&pl, r, sizeof(struct protocol_list32_t));
3679 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
3681 outs() << " count " << pl.count << "\n";
3683 p += sizeof(struct protocol_list32_t);
3684 offset += sizeof(struct protocol_list32_t);
3685 for (i = 0; i < pl.count; i++) {
3686 r = get_pointer_32(p, offset, left, S, info);
3690 if (left < sizeof(uint32_t)) {
3691 memcpy(&q, r, left);
3692 outs() << " (protocol_t * entends past the end of the section)\n";
3694 memcpy(&q, r, sizeof(uint32_t));
3695 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
3696 sys::swapByteOrder(q);
3697 outs() << "\t\t list[" << i << "] " << format("0x%" PRIx32, q)
3698 << " (struct protocol_t *)\n";
3699 r = get_pointer_32(q, offset, left, S, info);
3702 memset(&pc, '\0', sizeof(struct protocol32_t));
3703 if (left < sizeof(struct protocol32_t)) {
3704 memcpy(&pc, r, left);
3705 outs() << " (protocol_t entends past the end of the section)\n";
3707 memcpy(&pc, r, sizeof(struct protocol32_t));
3708 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
3710 outs() << "\t\t\t isa " << format("0x%" PRIx32, pc.isa) << "\n";
3711 outs() << "\t\t\t name " << format("0x%" PRIx32, pc.name);
3712 name = get_pointer_32(pc.name, xoffset, left, xS, info);
3713 if (name != nullptr)
3714 outs() << format(" %.*s", left, name);
3716 outs() << "\t\t\tprotocols " << format("0x%" PRIx32, pc.protocols) << "\n";
3717 outs() << "\t\t instanceMethods "
3718 << format("0x%" PRIx32, pc.instanceMethods)
3719 << " (struct method_list_t *)\n";
3720 if (pc.instanceMethods != 0)
3721 print_method_list32_t(pc.instanceMethods, info, "\t");
3722 outs() << "\t\t classMethods " << format("0x%" PRIx32, pc.classMethods)
3723 << " (struct method_list_t *)\n";
3724 if (pc.classMethods != 0)
3725 print_method_list32_t(pc.classMethods, info, "\t");
3726 outs() << "\t optionalInstanceMethods "
3727 << format("0x%" PRIx32, pc.optionalInstanceMethods) << "\n";
3728 outs() << "\t optionalClassMethods "
3729 << format("0x%" PRIx32, pc.optionalClassMethods) << "\n";
3730 outs() << "\t instanceProperties "
3731 << format("0x%" PRIx32, pc.instanceProperties) << "\n";
3732 p += sizeof(uint32_t);
3733 offset += sizeof(uint32_t);
3737 static void print_indent(uint32_t indent) {
3738 for (uint32_t i = 0; i < indent;) {
3739 if (indent - i >= 8) {
3743 for (uint32_t j = i; j < indent; j++)
3750 static bool print_method_description_list(uint32_t p, uint32_t indent,
3751 struct DisassembleInfo *info) {
3752 uint32_t offset, left, xleft;
3754 struct objc_method_description_list_t mdl;
3755 struct objc_method_description_t md;
3756 const char *r, *list, *name;
3759 r = get_pointer_32(p, offset, left, S, info, true);
3764 if (left > sizeof(struct objc_method_description_list_t)) {
3765 memcpy(&mdl, r, sizeof(struct objc_method_description_list_t));
3767 print_indent(indent);
3768 outs() << " objc_method_description_list extends past end of the section\n";
3769 memset(&mdl, '\0', sizeof(struct objc_method_description_list_t));
3770 memcpy(&mdl, r, left);
3772 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
3775 print_indent(indent);
3776 outs() << " count " << mdl.count << "\n";
3778 list = r + sizeof(struct objc_method_description_list_t);
3779 for (i = 0; i < mdl.count; i++) {
3780 if ((i + 1) * sizeof(struct objc_method_description_t) > left) {
3781 print_indent(indent);
3782 outs() << " remaining list entries extend past the of the section\n";
3785 print_indent(indent);
3786 outs() << " list[" << i << "]\n";
3787 memcpy(&md, list + i * sizeof(struct objc_method_description_t),
3788 sizeof(struct objc_method_description_t));
3789 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
3792 print_indent(indent);
3793 outs() << " name " << format("0x%08" PRIx32, md.name);
3794 if (info->verbose) {
3795 name = get_pointer_32(md.name, offset, xleft, S, info, true);
3796 if (name != nullptr)
3797 outs() << format(" %.*s", xleft, name);
3799 outs() << " (not in an __OBJC section)";
3803 print_indent(indent);
3804 outs() << " types " << format("0x%08" PRIx32, md.types);
3805 if (info->verbose) {
3806 name = get_pointer_32(md.types, offset, xleft, S, info, true);
3807 if (name != nullptr)
3808 outs() << format(" %.*s", xleft, name);
3810 outs() << " (not in an __OBJC section)";
3817 static bool print_protocol_list(uint32_t p, uint32_t indent,
3818 struct DisassembleInfo *info);
3820 static bool print_protocol(uint32_t p, uint32_t indent,
3821 struct DisassembleInfo *info) {
3822 uint32_t offset, left;
3824 struct objc_protocol_t protocol;
3825 const char *r, *name;
3827 r = get_pointer_32(p, offset, left, S, info, true);
3832 if (left >= sizeof(struct objc_protocol_t)) {
3833 memcpy(&protocol, r, sizeof(struct objc_protocol_t));
3835 print_indent(indent);
3836 outs() << " Protocol extends past end of the section\n";
3837 memset(&protocol, '\0', sizeof(struct objc_protocol_t));
3838 memcpy(&protocol, r, left);
3840 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
3841 swapStruct(protocol);
3843 print_indent(indent);
3844 outs() << " isa " << format("0x%08" PRIx32, protocol.isa)
3847 print_indent(indent);
3848 outs() << " protocol_name "
3849 << format("0x%08" PRIx32, protocol.protocol_name);
3850 if (info->verbose) {
3851 name = get_pointer_32(protocol.protocol_name, offset, left, S, info, true);
3852 if (name != nullptr)
3853 outs() << format(" %.*s", left, name);
3855 outs() << " (not in an __OBJC section)";
3859 print_indent(indent);
3860 outs() << " protocol_list "
3861 << format("0x%08" PRIx32, protocol.protocol_list);
3862 if (print_protocol_list(protocol.protocol_list, indent + 4, info))
3863 outs() << " (not in an __OBJC section)\n";
3865 print_indent(indent);
3866 outs() << " instance_methods "
3867 << format("0x%08" PRIx32, protocol.instance_methods);
3868 if (print_method_description_list(protocol.instance_methods, indent, info))
3869 outs() << " (not in an __OBJC section)\n";
3871 print_indent(indent);
3872 outs() << " class_methods "
3873 << format("0x%08" PRIx32, protocol.class_methods);
3874 if (print_method_description_list(protocol.class_methods, indent, info))
3875 outs() << " (not in an __OBJC section)\n";
3880 static bool print_protocol_list(uint32_t p, uint32_t indent,
3881 struct DisassembleInfo *info) {
3882 uint32_t offset, left, l;
3884 struct objc_protocol_list_t protocol_list;
3885 const char *r, *list;
3888 r = get_pointer_32(p, offset, left, S, info, true);
3893 if (left > sizeof(struct objc_protocol_list_t)) {
3894 memcpy(&protocol_list, r, sizeof(struct objc_protocol_list_t));
3896 outs() << "\t\t objc_protocol_list_t extends past end of the section\n";
3897 memset(&protocol_list, '\0', sizeof(struct objc_protocol_list_t));
3898 memcpy(&protocol_list, r, left);
3900 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
3901 swapStruct(protocol_list);
3903 print_indent(indent);
3904 outs() << " next " << format("0x%08" PRIx32, protocol_list.next)
3906 print_indent(indent);
3907 outs() << " count " << protocol_list.count << "\n";
3909 list = r + sizeof(struct objc_protocol_list_t);
3910 for (i = 0; i < protocol_list.count; i++) {
3911 if ((i + 1) * sizeof(uint32_t) > left) {
3912 outs() << "\t\t remaining list entries extend past the of the section\n";
3915 memcpy(&l, list + i * sizeof(uint32_t), sizeof(uint32_t));
3916 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
3917 sys::swapByteOrder(l);
3919 print_indent(indent);
3920 outs() << " list[" << i << "] " << format("0x%08" PRIx32, l);
3921 if (print_protocol(l, indent, info))
3922 outs() << "(not in an __OBJC section)\n";
3927 static void print_ivar_list64_t(uint64_t p, struct DisassembleInfo *info) {
3928 struct ivar_list64_t il;
3931 uint32_t offset, xoffset, left, j;
3933 const char *name, *sym_name, *ivar_offset_p;
3934 uint64_t ivar_offset, n_value;
3936 r = get_pointer_64(p, offset, left, S, info);
3939 memset(&il, '\0', sizeof(struct ivar_list64_t));
3940 if (left < sizeof(struct ivar_list64_t)) {
3941 memcpy(&il, r, left);
3942 outs() << " (ivar_list_t entends past the end of the section)\n";
3944 memcpy(&il, r, sizeof(struct ivar_list64_t));
3945 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
3947 outs() << " entsize " << il.entsize << "\n";
3948 outs() << " count " << il.count << "\n";
3950 p += sizeof(struct ivar_list64_t);
3951 offset += sizeof(struct ivar_list64_t);
3952 for (j = 0; j < il.count; j++) {
3953 r = get_pointer_64(p, offset, left, S, info);
3956 memset(&i, '\0', sizeof(struct ivar64_t));
3957 if (left < sizeof(struct ivar64_t)) {
3958 memcpy(&i, r, left);
3959 outs() << " (ivar_t entends past the end of the section)\n";
3961 memcpy(&i, r, sizeof(struct ivar64_t));
3962 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
3965 outs() << "\t\t\t offset ";
3966 sym_name = get_symbol_64(offset + offsetof(struct ivar64_t, offset), S,
3967 info, n_value, i.offset);
3969 if (info->verbose && sym_name != nullptr)
3972 outs() << format("0x%" PRIx64, n_value);
3974 outs() << " + " << format("0x%" PRIx64, i.offset);
3976 outs() << format("0x%" PRIx64, i.offset);
3977 ivar_offset_p = get_pointer_64(i.offset + n_value, xoffset, left, xS, info);
3978 if (ivar_offset_p != nullptr && left >= sizeof(*ivar_offset_p)) {
3979 memcpy(&ivar_offset, ivar_offset_p, sizeof(ivar_offset));
3980 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
3981 sys::swapByteOrder(ivar_offset);
3982 outs() << " " << ivar_offset << "\n";
3986 outs() << "\t\t\t name ";
3987 sym_name = get_symbol_64(offset + offsetof(struct ivar64_t, name), S, info,
3990 if (info->verbose && sym_name != nullptr)
3993 outs() << format("0x%" PRIx64, n_value);
3995 outs() << " + " << format("0x%" PRIx64, i.name);
3997 outs() << format("0x%" PRIx64, i.name);
3998 name = get_pointer_64(i.name + n_value, xoffset, left, xS, info);
3999 if (name != nullptr)
4000 outs() << format(" %.*s", left, name);
4003 outs() << "\t\t\t type ";
4004 sym_name = get_symbol_64(offset + offsetof(struct ivar64_t, type), S, info,
4006 name = get_pointer_64(i.type + n_value, xoffset, left, xS, info);
4008 if (info->verbose && sym_name != nullptr)
4011 outs() << format("0x%" PRIx64, n_value);
4013 outs() << " + " << format("0x%" PRIx64, i.type);
4015 outs() << format("0x%" PRIx64, i.type);
4016 if (name != nullptr)
4017 outs() << format(" %.*s", left, name);
4020 outs() << "\t\t\talignment " << i.alignment << "\n";
4021 outs() << "\t\t\t size " << i.size << "\n";
4023 p += sizeof(struct ivar64_t);
4024 offset += sizeof(struct ivar64_t);
4028 static void print_ivar_list32_t(uint32_t p, struct DisassembleInfo *info) {
4029 struct ivar_list32_t il;
4032 uint32_t offset, xoffset, left, j;
4034 const char *name, *ivar_offset_p;
4035 uint32_t ivar_offset;
4037 r = get_pointer_32(p, offset, left, S, info);
4040 memset(&il, '\0', sizeof(struct ivar_list32_t));
4041 if (left < sizeof(struct ivar_list32_t)) {
4042 memcpy(&il, r, left);
4043 outs() << " (ivar_list_t entends past the end of the section)\n";
4045 memcpy(&il, r, sizeof(struct ivar_list32_t));
4046 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
4048 outs() << " entsize " << il.entsize << "\n";
4049 outs() << " count " << il.count << "\n";
4051 p += sizeof(struct ivar_list32_t);
4052 offset += sizeof(struct ivar_list32_t);
4053 for (j = 0; j < il.count; j++) {
4054 r = get_pointer_32(p, offset, left, S, info);
4057 memset(&i, '\0', sizeof(struct ivar32_t));
4058 if (left < sizeof(struct ivar32_t)) {
4059 memcpy(&i, r, left);
4060 outs() << " (ivar_t entends past the end of the section)\n";
4062 memcpy(&i, r, sizeof(struct ivar32_t));
4063 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
4066 outs() << "\t\t\t offset " << format("0x%" PRIx32, i.offset);
4067 ivar_offset_p = get_pointer_32(i.offset, xoffset, left, xS, info);
4068 if (ivar_offset_p != nullptr && left >= sizeof(*ivar_offset_p)) {
4069 memcpy(&ivar_offset, ivar_offset_p, sizeof(ivar_offset));
4070 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
4071 sys::swapByteOrder(ivar_offset);
4072 outs() << " " << ivar_offset << "\n";
4076 outs() << "\t\t\t name " << format("0x%" PRIx32, i.name);
4077 name = get_pointer_32(i.name, xoffset, left, xS, info);
4078 if (name != nullptr)
4079 outs() << format(" %.*s", left, name);
4082 outs() << "\t\t\t type " << format("0x%" PRIx32, i.type);
4083 name = get_pointer_32(i.type, xoffset, left, xS, info);
4084 if (name != nullptr)
4085 outs() << format(" %.*s", left, name);
4088 outs() << "\t\t\talignment " << i.alignment << "\n";
4089 outs() << "\t\t\t size " << i.size << "\n";
4091 p += sizeof(struct ivar32_t);
4092 offset += sizeof(struct ivar32_t);
4096 static void print_objc_property_list64(uint64_t p,
4097 struct DisassembleInfo *info) {
4098 struct objc_property_list64 opl;
4099 struct objc_property64 op;
4101 uint32_t offset, xoffset, left, j;
4103 const char *name, *sym_name;
4106 r = get_pointer_64(p, offset, left, S, info);
4109 memset(&opl, '\0', sizeof(struct objc_property_list64));
4110 if (left < sizeof(struct objc_property_list64)) {
4111 memcpy(&opl, r, left);
4112 outs() << " (objc_property_list entends past the end of the section)\n";
4114 memcpy(&opl, r, sizeof(struct objc_property_list64));
4115 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
4117 outs() << " entsize " << opl.entsize << "\n";
4118 outs() << " count " << opl.count << "\n";
4120 p += sizeof(struct objc_property_list64);
4121 offset += sizeof(struct objc_property_list64);
4122 for (j = 0; j < opl.count; j++) {
4123 r = get_pointer_64(p, offset, left, S, info);
4126 memset(&op, '\0', sizeof(struct objc_property64));
4127 if (left < sizeof(struct objc_property64)) {
4128 memcpy(&op, r, left);
4129 outs() << " (objc_property entends past the end of the section)\n";
4131 memcpy(&op, r, sizeof(struct objc_property64));
4132 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
4135 outs() << "\t\t\t name ";
4136 sym_name = get_symbol_64(offset + offsetof(struct objc_property64, name), S,
4137 info, n_value, op.name);
4139 if (info->verbose && sym_name != nullptr)
4142 outs() << format("0x%" PRIx64, n_value);
4144 outs() << " + " << format("0x%" PRIx64, op.name);
4146 outs() << format("0x%" PRIx64, op.name);
4147 name = get_pointer_64(op.name + n_value, xoffset, left, xS, info);
4148 if (name != nullptr)
4149 outs() << format(" %.*s", left, name);
4152 outs() << "\t\t\tattributes ";
4154 get_symbol_64(offset + offsetof(struct objc_property64, attributes), S,
4155 info, n_value, op.attributes);
4157 if (info->verbose && sym_name != nullptr)
4160 outs() << format("0x%" PRIx64, n_value);
4161 if (op.attributes != 0)
4162 outs() << " + " << format("0x%" PRIx64, op.attributes);
4164 outs() << format("0x%" PRIx64, op.attributes);
4165 name = get_pointer_64(op.attributes + n_value, xoffset, left, xS, info);
4166 if (name != nullptr)
4167 outs() << format(" %.*s", left, name);
4170 p += sizeof(struct objc_property64);
4171 offset += sizeof(struct objc_property64);
4175 static void print_objc_property_list32(uint32_t p,
4176 struct DisassembleInfo *info) {
4177 struct objc_property_list32 opl;
4178 struct objc_property32 op;
4180 uint32_t offset, xoffset, left, j;
4184 r = get_pointer_32(p, offset, left, S, info);
4187 memset(&opl, '\0', sizeof(struct objc_property_list32));
4188 if (left < sizeof(struct objc_property_list32)) {
4189 memcpy(&opl, r, left);
4190 outs() << " (objc_property_list entends past the end of the section)\n";
4192 memcpy(&opl, r, sizeof(struct objc_property_list32));
4193 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
4195 outs() << " entsize " << opl.entsize << "\n";
4196 outs() << " count " << opl.count << "\n";
4198 p += sizeof(struct objc_property_list32);
4199 offset += sizeof(struct objc_property_list32);
4200 for (j = 0; j < opl.count; j++) {
4201 r = get_pointer_32(p, offset, left, S, info);
4204 memset(&op, '\0', sizeof(struct objc_property32));
4205 if (left < sizeof(struct objc_property32)) {
4206 memcpy(&op, r, left);
4207 outs() << " (objc_property entends past the end of the section)\n";
4209 memcpy(&op, r, sizeof(struct objc_property32));
4210 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
4213 outs() << "\t\t\t name " << format("0x%" PRIx32, op.name);
4214 name = get_pointer_32(op.name, xoffset, left, xS, info);
4215 if (name != nullptr)
4216 outs() << format(" %.*s", left, name);
4219 outs() << "\t\t\tattributes " << format("0x%" PRIx32, op.attributes);
4220 name = get_pointer_32(op.attributes, xoffset, left, xS, info);
4221 if (name != nullptr)
4222 outs() << format(" %.*s", left, name);
4225 p += sizeof(struct objc_property32);
4226 offset += sizeof(struct objc_property32);
4230 static bool print_class_ro64_t(uint64_t p, struct DisassembleInfo *info,
4231 bool &is_meta_class) {
4232 struct class_ro64_t cro;
4234 uint32_t offset, xoffset, left;
4236 const char *name, *sym_name;
4239 r = get_pointer_64(p, offset, left, S, info);
4240 if (r == nullptr || left < sizeof(struct class_ro64_t))
4242 memset(&cro, '\0', sizeof(struct class_ro64_t));
4243 if (left < sizeof(struct class_ro64_t)) {
4244 memcpy(&cro, r, left);
4245 outs() << " (class_ro_t entends past the end of the section)\n";
4247 memcpy(&cro, r, sizeof(struct class_ro64_t));
4248 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
4250 outs() << " flags " << format("0x%" PRIx32, cro.flags);
4251 if (cro.flags & RO_META)
4252 outs() << " RO_META";
4253 if (cro.flags & RO_ROOT)
4254 outs() << " RO_ROOT";
4255 if (cro.flags & RO_HAS_CXX_STRUCTORS)
4256 outs() << " RO_HAS_CXX_STRUCTORS";
4258 outs() << " instanceStart " << cro.instanceStart << "\n";
4259 outs() << " instanceSize " << cro.instanceSize << "\n";
4260 outs() << " reserved " << format("0x%" PRIx32, cro.reserved)
4262 outs() << " ivarLayout " << format("0x%" PRIx64, cro.ivarLayout)
4264 print_layout_map64(cro.ivarLayout, info);
4267 sym_name = get_symbol_64(offset + offsetof(struct class_ro64_t, name), S,
4268 info, n_value, cro.name);
4270 if (info->verbose && sym_name != nullptr)
4273 outs() << format("0x%" PRIx64, n_value);
4275 outs() << " + " << format("0x%" PRIx64, cro.name);
4277 outs() << format("0x%" PRIx64, cro.name);
4278 name = get_pointer_64(cro.name + n_value, xoffset, left, xS, info);
4279 if (name != nullptr)
4280 outs() << format(" %.*s", left, name);
4283 outs() << " baseMethods ";
4284 sym_name = get_symbol_64(offset + offsetof(struct class_ro64_t, baseMethods),
4285 S, info, n_value, cro.baseMethods);
4287 if (info->verbose && sym_name != nullptr)
4290 outs() << format("0x%" PRIx64, n_value);
4291 if (cro.baseMethods != 0)
4292 outs() << " + " << format("0x%" PRIx64, cro.baseMethods);
4294 outs() << format("0x%" PRIx64, cro.baseMethods);
4295 outs() << " (struct method_list_t *)\n";
4296 if (cro.baseMethods + n_value != 0)
4297 print_method_list64_t(cro.baseMethods + n_value, info, "");
4299 outs() << " baseProtocols ";
4301 get_symbol_64(offset + offsetof(struct class_ro64_t, baseProtocols), S,
4302 info, n_value, cro.baseProtocols);
4304 if (info->verbose && sym_name != nullptr)
4307 outs() << format("0x%" PRIx64, n_value);
4308 if (cro.baseProtocols != 0)
4309 outs() << " + " << format("0x%" PRIx64, cro.baseProtocols);
4311 outs() << format("0x%" PRIx64, cro.baseProtocols);
4313 if (cro.baseProtocols + n_value != 0)
4314 print_protocol_list64_t(cro.baseProtocols + n_value, info);
4316 outs() << " ivars ";
4317 sym_name = get_symbol_64(offset + offsetof(struct class_ro64_t, ivars), S,
4318 info, n_value, cro.ivars);
4320 if (info->verbose && sym_name != nullptr)
4323 outs() << format("0x%" PRIx64, n_value);
4325 outs() << " + " << format("0x%" PRIx64, cro.ivars);
4327 outs() << format("0x%" PRIx64, cro.ivars);
4329 if (cro.ivars + n_value != 0)
4330 print_ivar_list64_t(cro.ivars + n_value, info);
4332 outs() << " weakIvarLayout ";
4334 get_symbol_64(offset + offsetof(struct class_ro64_t, weakIvarLayout), S,
4335 info, n_value, cro.weakIvarLayout);
4337 if (info->verbose && sym_name != nullptr)
4340 outs() << format("0x%" PRIx64, n_value);
4341 if (cro.weakIvarLayout != 0)
4342 outs() << " + " << format("0x%" PRIx64, cro.weakIvarLayout);
4344 outs() << format("0x%" PRIx64, cro.weakIvarLayout);
4346 print_layout_map64(cro.weakIvarLayout + n_value, info);
4348 outs() << " baseProperties ";
4350 get_symbol_64(offset + offsetof(struct class_ro64_t, baseProperties), S,
4351 info, n_value, cro.baseProperties);
4353 if (info->verbose && sym_name != nullptr)
4356 outs() << format("0x%" PRIx64, n_value);
4357 if (cro.baseProperties != 0)
4358 outs() << " + " << format("0x%" PRIx64, cro.baseProperties);
4360 outs() << format("0x%" PRIx64, cro.baseProperties);
4362 if (cro.baseProperties + n_value != 0)
4363 print_objc_property_list64(cro.baseProperties + n_value, info);
4365 is_meta_class = (cro.flags & RO_META) != 0;
4369 static bool print_class_ro32_t(uint32_t p, struct DisassembleInfo *info,
4370 bool &is_meta_class) {
4371 struct class_ro32_t cro;
4373 uint32_t offset, xoffset, left;
4377 r = get_pointer_32(p, offset, left, S, info);
4380 memset(&cro, '\0', sizeof(struct class_ro32_t));
4381 if (left < sizeof(struct class_ro32_t)) {
4382 memcpy(&cro, r, left);
4383 outs() << " (class_ro_t entends past the end of the section)\n";
4385 memcpy(&cro, r, sizeof(struct class_ro32_t));
4386 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
4388 outs() << " flags " << format("0x%" PRIx32, cro.flags);
4389 if (cro.flags & RO_META)
4390 outs() << " RO_META";
4391 if (cro.flags & RO_ROOT)
4392 outs() << " RO_ROOT";
4393 if (cro.flags & RO_HAS_CXX_STRUCTORS)
4394 outs() << " RO_HAS_CXX_STRUCTORS";
4396 outs() << " instanceStart " << cro.instanceStart << "\n";
4397 outs() << " instanceSize " << cro.instanceSize << "\n";
4398 outs() << " ivarLayout " << format("0x%" PRIx32, cro.ivarLayout)
4400 print_layout_map32(cro.ivarLayout, info);
4402 outs() << " name " << format("0x%" PRIx32, cro.name);
4403 name = get_pointer_32(cro.name, xoffset, left, xS, info);
4404 if (name != nullptr)
4405 outs() << format(" %.*s", left, name);
4408 outs() << " baseMethods "
4409 << format("0x%" PRIx32, cro.baseMethods)
4410 << " (struct method_list_t *)\n";
4411 if (cro.baseMethods != 0)
4412 print_method_list32_t(cro.baseMethods, info, "");
4414 outs() << " baseProtocols "
4415 << format("0x%" PRIx32, cro.baseProtocols) << "\n";
4416 if (cro.baseProtocols != 0)
4417 print_protocol_list32_t(cro.baseProtocols, info);
4418 outs() << " ivars " << format("0x%" PRIx32, cro.ivars)
4421 print_ivar_list32_t(cro.ivars, info);
4422 outs() << " weakIvarLayout "
4423 << format("0x%" PRIx32, cro.weakIvarLayout) << "\n";
4424 print_layout_map32(cro.weakIvarLayout, info);
4425 outs() << " baseProperties "
4426 << format("0x%" PRIx32, cro.baseProperties) << "\n";
4427 if (cro.baseProperties != 0)
4428 print_objc_property_list32(cro.baseProperties, info);
4429 is_meta_class = (cro.flags & RO_META) != 0;
4433 static void print_class64_t(uint64_t p, struct DisassembleInfo *info) {
4436 uint32_t offset, left;
4439 uint64_t isa_n_value, n_value;
4441 r = get_pointer_64(p, offset, left, S, info);
4442 if (r == nullptr || left < sizeof(struct class64_t))
4444 memset(&c, '\0', sizeof(struct class64_t));
4445 if (left < sizeof(struct class64_t)) {
4446 memcpy(&c, r, left);
4447 outs() << " (class_t entends past the end of the section)\n";
4449 memcpy(&c, r, sizeof(struct class64_t));
4450 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
4453 outs() << " isa " << format("0x%" PRIx64, c.isa);
4454 name = get_symbol_64(offset + offsetof(struct class64_t, isa), S, info,
4455 isa_n_value, c.isa);
4456 if (name != nullptr)
4457 outs() << " " << name;
4460 outs() << " superclass " << format("0x%" PRIx64, c.superclass);
4461 name = get_symbol_64(offset + offsetof(struct class64_t, superclass), S, info,
4462 n_value, c.superclass);
4463 if (name != nullptr)
4464 outs() << " " << name;
4467 outs() << " cache " << format("0x%" PRIx64, c.cache);
4468 name = get_symbol_64(offset + offsetof(struct class64_t, cache), S, info,
4470 if (name != nullptr)
4471 outs() << " " << name;
4474 outs() << " vtable " << format("0x%" PRIx64, c.vtable);
4475 name = get_symbol_64(offset + offsetof(struct class64_t, vtable), S, info,
4477 if (name != nullptr)
4478 outs() << " " << name;
4481 name = get_symbol_64(offset + offsetof(struct class64_t, data), S, info,
4485 if (info->verbose && name != nullptr)
4488 outs() << format("0x%" PRIx64, n_value);
4490 outs() << " + " << format("0x%" PRIx64, c.data);
4492 outs() << format("0x%" PRIx64, c.data);
4493 outs() << " (struct class_ro_t *)";
4495 // This is a Swift class if some of the low bits of the pointer are set.
4496 if ((c.data + n_value) & 0x7)
4497 outs() << " Swift class";
4500 if (!print_class_ro64_t((c.data + n_value) & ~0x7, info, is_meta_class))
4503 if (!is_meta_class &&
4504 c.isa + isa_n_value != p &&
4505 c.isa + isa_n_value != 0 &&
4506 info->depth < 100) {
4508 outs() << "Meta Class\n";
4509 print_class64_t(c.isa + isa_n_value, info);
4513 static void print_class32_t(uint32_t p, struct DisassembleInfo *info) {
4516 uint32_t offset, left;
4520 r = get_pointer_32(p, offset, left, S, info);
4523 memset(&c, '\0', sizeof(struct class32_t));
4524 if (left < sizeof(struct class32_t)) {
4525 memcpy(&c, r, left);
4526 outs() << " (class_t entends past the end of the section)\n";
4528 memcpy(&c, r, sizeof(struct class32_t));
4529 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
4532 outs() << " isa " << format("0x%" PRIx32, c.isa);
4534 get_symbol_32(offset + offsetof(struct class32_t, isa), S, info, c.isa);
4535 if (name != nullptr)
4536 outs() << " " << name;
4539 outs() << " superclass " << format("0x%" PRIx32, c.superclass);
4540 name = get_symbol_32(offset + offsetof(struct class32_t, superclass), S, info,
4542 if (name != nullptr)
4543 outs() << " " << name;
4546 outs() << " cache " << format("0x%" PRIx32, c.cache);
4547 name = get_symbol_32(offset + offsetof(struct class32_t, cache), S, info,
4549 if (name != nullptr)
4550 outs() << " " << name;
4553 outs() << " vtable " << format("0x%" PRIx32, c.vtable);
4554 name = get_symbol_32(offset + offsetof(struct class32_t, vtable), S, info,
4556 if (name != nullptr)
4557 outs() << " " << name;
4561 get_symbol_32(offset + offsetof(struct class32_t, data), S, info, c.data);
4562 outs() << " data " << format("0x%" PRIx32, c.data)
4563 << " (struct class_ro_t *)";
4565 // This is a Swift class if some of the low bits of the pointer are set.
4567 outs() << " Swift class";
4570 if (!print_class_ro32_t(c.data & ~0x3, info, is_meta_class))
4573 if (!is_meta_class) {
4574 outs() << "Meta Class\n";
4575 print_class32_t(c.isa, info);
4579 static void print_objc_class_t(struct objc_class_t *objc_class,
4580 struct DisassembleInfo *info) {
4581 uint32_t offset, left, xleft;
4582 const char *name, *p, *ivar_list;
4585 struct objc_ivar_list_t objc_ivar_list;
4586 struct objc_ivar_t ivar;
4588 outs() << "\t\t isa " << format("0x%08" PRIx32, objc_class->isa);
4589 if (info->verbose && CLS_GETINFO(objc_class, CLS_META)) {
4590 name = get_pointer_32(objc_class->isa, offset, left, S, info, true);
4591 if (name != nullptr)
4592 outs() << format(" %.*s", left, name);
4594 outs() << " (not in an __OBJC section)";
4598 outs() << "\t super_class "
4599 << format("0x%08" PRIx32, objc_class->super_class);
4600 if (info->verbose) {
4601 name = get_pointer_32(objc_class->super_class, offset, left, S, info, true);
4602 if (name != nullptr)
4603 outs() << format(" %.*s", left, name);
4605 outs() << " (not in an __OBJC section)";
4609 outs() << "\t\t name " << format("0x%08" PRIx32, objc_class->name);
4610 if (info->verbose) {
4611 name = get_pointer_32(objc_class->name, offset, left, S, info, true);
4612 if (name != nullptr)
4613 outs() << format(" %.*s", left, name);
4615 outs() << " (not in an __OBJC section)";
4619 outs() << "\t\t version " << format("0x%08" PRIx32, objc_class->version)
4622 outs() << "\t\t info " << format("0x%08" PRIx32, objc_class->info);
4623 if (info->verbose) {
4624 if (CLS_GETINFO(objc_class, CLS_CLASS))
4625 outs() << " CLS_CLASS";
4626 else if (CLS_GETINFO(objc_class, CLS_META))
4627 outs() << " CLS_META";
4631 outs() << "\t instance_size "
4632 << format("0x%08" PRIx32, objc_class->instance_size) << "\n";
4634 p = get_pointer_32(objc_class->ivars, offset, left, S, info, true);
4635 outs() << "\t\t ivars " << format("0x%08" PRIx32, objc_class->ivars);
4637 if (left > sizeof(struct objc_ivar_list_t)) {
4639 memcpy(&objc_ivar_list, p, sizeof(struct objc_ivar_list_t));
4641 outs() << " (entends past the end of the section)\n";
4642 memset(&objc_ivar_list, '\0', sizeof(struct objc_ivar_list_t));
4643 memcpy(&objc_ivar_list, p, left);
4645 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
4646 swapStruct(objc_ivar_list);
4647 outs() << "\t\t ivar_count " << objc_ivar_list.ivar_count << "\n";
4648 ivar_list = p + sizeof(struct objc_ivar_list_t);
4649 for (i = 0; i < objc_ivar_list.ivar_count; i++) {
4650 if ((i + 1) * sizeof(struct objc_ivar_t) > left) {
4651 outs() << "\t\t remaining ivar's extend past the of the section\n";
4654 memcpy(&ivar, ivar_list + i * sizeof(struct objc_ivar_t),
4655 sizeof(struct objc_ivar_t));
4656 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
4659 outs() << "\t\t\tivar_name " << format("0x%08" PRIx32, ivar.ivar_name);
4660 if (info->verbose) {
4661 name = get_pointer_32(ivar.ivar_name, offset, xleft, S, info, true);
4662 if (name != nullptr)
4663 outs() << format(" %.*s", xleft, name);
4665 outs() << " (not in an __OBJC section)";
4669 outs() << "\t\t\tivar_type " << format("0x%08" PRIx32, ivar.ivar_type);
4670 if (info->verbose) {
4671 name = get_pointer_32(ivar.ivar_type, offset, xleft, S, info, true);
4672 if (name != nullptr)
4673 outs() << format(" %.*s", xleft, name);
4675 outs() << " (not in an __OBJC section)";
4679 outs() << "\t\t ivar_offset "
4680 << format("0x%08" PRIx32, ivar.ivar_offset) << "\n";
4683 outs() << " (not in an __OBJC section)\n";
4686 outs() << "\t\t methods " << format("0x%08" PRIx32, objc_class->methodLists);
4687 if (print_method_list(objc_class->methodLists, info))
4688 outs() << " (not in an __OBJC section)\n";
4690 outs() << "\t\t cache " << format("0x%08" PRIx32, objc_class->cache)
4693 outs() << "\t\tprotocols " << format("0x%08" PRIx32, objc_class->protocols);
4694 if (print_protocol_list(objc_class->protocols, 16, info))
4695 outs() << " (not in an __OBJC section)\n";
4698 static void print_objc_objc_category_t(struct objc_category_t *objc_category,
4699 struct DisassembleInfo *info) {
4700 uint32_t offset, left;
4704 outs() << "\t category name "
4705 << format("0x%08" PRIx32, objc_category->category_name);
4706 if (info->verbose) {
4707 name = get_pointer_32(objc_category->category_name, offset, left, S, info,
4709 if (name != nullptr)
4710 outs() << format(" %.*s", left, name);
4712 outs() << " (not in an __OBJC section)";
4716 outs() << "\t\t class name "
4717 << format("0x%08" PRIx32, objc_category->class_name);
4718 if (info->verbose) {
4720 get_pointer_32(objc_category->class_name, offset, left, S, info, true);
4721 if (name != nullptr)
4722 outs() << format(" %.*s", left, name);
4724 outs() << " (not in an __OBJC section)";
4728 outs() << "\t instance methods "
4729 << format("0x%08" PRIx32, objc_category->instance_methods);
4730 if (print_method_list(objc_category->instance_methods, info))
4731 outs() << " (not in an __OBJC section)\n";
4733 outs() << "\t class methods "
4734 << format("0x%08" PRIx32, objc_category->class_methods);
4735 if (print_method_list(objc_category->class_methods, info))
4736 outs() << " (not in an __OBJC section)\n";
4739 static void print_category64_t(uint64_t p, struct DisassembleInfo *info) {
4740 struct category64_t c;
4742 uint32_t offset, xoffset, left;
4744 const char *name, *sym_name;
4747 r = get_pointer_64(p, offset, left, S, info);
4750 memset(&c, '\0', sizeof(struct category64_t));
4751 if (left < sizeof(struct category64_t)) {
4752 memcpy(&c, r, left);
4753 outs() << " (category_t entends past the end of the section)\n";
4755 memcpy(&c, r, sizeof(struct category64_t));
4756 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
4760 sym_name = get_symbol_64(offset + offsetof(struct category64_t, name), S,
4761 info, n_value, c.name);
4763 if (info->verbose && sym_name != nullptr)
4766 outs() << format("0x%" PRIx64, n_value);
4768 outs() << " + " << format("0x%" PRIx64, c.name);
4770 outs() << format("0x%" PRIx64, c.name);
4771 name = get_pointer_64(c.name + n_value, xoffset, left, xS, info);
4772 if (name != nullptr)
4773 outs() << format(" %.*s", left, name);
4777 sym_name = get_symbol_64(offset + offsetof(struct category64_t, cls), S, info,
4780 if (info->verbose && sym_name != nullptr)
4783 outs() << format("0x%" PRIx64, n_value);
4785 outs() << " + " << format("0x%" PRIx64, c.cls);
4787 outs() << format("0x%" PRIx64, c.cls);
4789 if (c.cls + n_value != 0)
4790 print_class64_t(c.cls + n_value, info);
4792 outs() << " instanceMethods ";
4794 get_symbol_64(offset + offsetof(struct category64_t, instanceMethods), S,
4795 info, n_value, c.instanceMethods);
4797 if (info->verbose && sym_name != nullptr)
4800 outs() << format("0x%" PRIx64, n_value);
4801 if (c.instanceMethods != 0)
4802 outs() << " + " << format("0x%" PRIx64, c.instanceMethods);
4804 outs() << format("0x%" PRIx64, c.instanceMethods);
4806 if (c.instanceMethods + n_value != 0)
4807 print_method_list64_t(c.instanceMethods + n_value, info, "");
4809 outs() << " classMethods ";
4810 sym_name = get_symbol_64(offset + offsetof(struct category64_t, classMethods),
4811 S, info, n_value, c.classMethods);
4813 if (info->verbose && sym_name != nullptr)
4816 outs() << format("0x%" PRIx64, n_value);
4817 if (c.classMethods != 0)
4818 outs() << " + " << format("0x%" PRIx64, c.classMethods);
4820 outs() << format("0x%" PRIx64, c.classMethods);
4822 if (c.classMethods + n_value != 0)
4823 print_method_list64_t(c.classMethods + n_value, info, "");
4825 outs() << " protocols ";
4826 sym_name = get_symbol_64(offset + offsetof(struct category64_t, protocols), S,
4827 info, n_value, c.protocols);
4829 if (info->verbose && sym_name != nullptr)
4832 outs() << format("0x%" PRIx64, n_value);
4833 if (c.protocols != 0)
4834 outs() << " + " << format("0x%" PRIx64, c.protocols);
4836 outs() << format("0x%" PRIx64, c.protocols);
4838 if (c.protocols + n_value != 0)
4839 print_protocol_list64_t(c.protocols + n_value, info);
4841 outs() << "instanceProperties ";
4843 get_symbol_64(offset + offsetof(struct category64_t, instanceProperties),
4844 S, info, n_value, c.instanceProperties);
4846 if (info->verbose && sym_name != nullptr)
4849 outs() << format("0x%" PRIx64, n_value);
4850 if (c.instanceProperties != 0)
4851 outs() << " + " << format("0x%" PRIx64, c.instanceProperties);
4853 outs() << format("0x%" PRIx64, c.instanceProperties);
4855 if (c.instanceProperties + n_value != 0)
4856 print_objc_property_list64(c.instanceProperties + n_value, info);
4859 static void print_category32_t(uint32_t p, struct DisassembleInfo *info) {
4860 struct category32_t c;
4862 uint32_t offset, left;
4866 r = get_pointer_32(p, offset, left, S, info);
4869 memset(&c, '\0', sizeof(struct category32_t));
4870 if (left < sizeof(struct category32_t)) {
4871 memcpy(&c, r, left);
4872 outs() << " (category_t entends past the end of the section)\n";
4874 memcpy(&c, r, sizeof(struct category32_t));
4875 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
4878 outs() << " name " << format("0x%" PRIx32, c.name);
4879 name = get_symbol_32(offset + offsetof(struct category32_t, name), S, info,
4882 outs() << " " << name;
4885 outs() << " cls " << format("0x%" PRIx32, c.cls) << "\n";
4887 print_class32_t(c.cls, info);
4888 outs() << " instanceMethods " << format("0x%" PRIx32, c.instanceMethods)
4890 if (c.instanceMethods != 0)
4891 print_method_list32_t(c.instanceMethods, info, "");
4892 outs() << " classMethods " << format("0x%" PRIx32, c.classMethods)
4894 if (c.classMethods != 0)
4895 print_method_list32_t(c.classMethods, info, "");
4896 outs() << " protocols " << format("0x%" PRIx32, c.protocols) << "\n";
4897 if (c.protocols != 0)
4898 print_protocol_list32_t(c.protocols, info);
4899 outs() << "instanceProperties " << format("0x%" PRIx32, c.instanceProperties)
4901 if (c.instanceProperties != 0)
4902 print_objc_property_list32(c.instanceProperties, info);
4905 static void print_message_refs64(SectionRef S, struct DisassembleInfo *info) {
4906 uint32_t i, left, offset, xoffset;
4907 uint64_t p, n_value;
4908 struct message_ref64 mr;
4909 const char *name, *sym_name;
4913 if (S == SectionRef())
4917 S.getName(SectName);
4918 DataRefImpl Ref = S.getRawDataRefImpl();
4919 StringRef SegName = info->O->getSectionFinalSegmentName(Ref);
4920 outs() << "Contents of (" << SegName << "," << SectName << ") section\n";
4922 for (i = 0; i < S.getSize(); i += sizeof(struct message_ref64)) {
4923 p = S.getAddress() + i;
4924 r = get_pointer_64(p, offset, left, S, info);
4927 memset(&mr, '\0', sizeof(struct message_ref64));
4928 if (left < sizeof(struct message_ref64)) {
4929 memcpy(&mr, r, left);
4930 outs() << " (message_ref entends past the end of the section)\n";
4932 memcpy(&mr, r, sizeof(struct message_ref64));
4933 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
4937 name = get_symbol_64(offset + offsetof(struct message_ref64, imp), S, info,
4940 outs() << format("0x%" PRIx64, n_value) << " ";
4942 outs() << "+ " << format("0x%" PRIx64, mr.imp) << " ";
4944 outs() << format("0x%" PRIx64, mr.imp) << " ";
4945 if (name != nullptr)
4946 outs() << " " << name;
4950 sym_name = get_symbol_64(offset + offsetof(struct message_ref64, sel), S,
4951 info, n_value, mr.sel);
4953 if (info->verbose && sym_name != nullptr)
4956 outs() << format("0x%" PRIx64, n_value);
4958 outs() << " + " << format("0x%" PRIx64, mr.sel);
4960 outs() << format("0x%" PRIx64, mr.sel);
4961 name = get_pointer_64(mr.sel + n_value, xoffset, left, xS, info);
4962 if (name != nullptr)
4963 outs() << format(" %.*s", left, name);
4966 offset += sizeof(struct message_ref64);
4970 static void print_message_refs32(SectionRef S, struct DisassembleInfo *info) {
4971 uint32_t i, left, offset, xoffset, p;
4972 struct message_ref32 mr;
4973 const char *name, *r;
4976 if (S == SectionRef())
4980 S.getName(SectName);
4981 DataRefImpl Ref = S.getRawDataRefImpl();
4982 StringRef SegName = info->O->getSectionFinalSegmentName(Ref);
4983 outs() << "Contents of (" << SegName << "," << SectName << ") section\n";
4985 for (i = 0; i < S.getSize(); i += sizeof(struct message_ref64)) {
4986 p = S.getAddress() + i;
4987 r = get_pointer_32(p, offset, left, S, info);
4990 memset(&mr, '\0', sizeof(struct message_ref32));
4991 if (left < sizeof(struct message_ref32)) {
4992 memcpy(&mr, r, left);
4993 outs() << " (message_ref entends past the end of the section)\n";
4995 memcpy(&mr, r, sizeof(struct message_ref32));
4996 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
4999 outs() << " imp " << format("0x%" PRIx32, mr.imp);
5000 name = get_symbol_32(offset + offsetof(struct message_ref32, imp), S, info,
5002 if (name != nullptr)
5003 outs() << " " << name;
5006 outs() << " sel " << format("0x%" PRIx32, mr.sel);
5007 name = get_pointer_32(mr.sel, xoffset, left, xS, info);
5008 if (name != nullptr)
5009 outs() << " " << name;
5012 offset += sizeof(struct message_ref32);
5016 static void print_image_info64(SectionRef S, struct DisassembleInfo *info) {
5017 uint32_t left, offset, swift_version;
5019 struct objc_image_info64 o;
5022 if (S == SectionRef())
5026 S.getName(SectName);
5027 DataRefImpl Ref = S.getRawDataRefImpl();
5028 StringRef SegName = info->O->getSectionFinalSegmentName(Ref);
5029 outs() << "Contents of (" << SegName << "," << SectName << ") section\n";
5031 r = get_pointer_64(p, offset, left, S, info);
5034 memset(&o, '\0', sizeof(struct objc_image_info64));
5035 if (left < sizeof(struct objc_image_info64)) {
5036 memcpy(&o, r, left);
5037 outs() << " (objc_image_info entends past the end of the section)\n";
5039 memcpy(&o, r, sizeof(struct objc_image_info64));
5040 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
5042 outs() << " version " << o.version << "\n";
5043 outs() << " flags " << format("0x%" PRIx32, o.flags);
5044 if (o.flags & OBJC_IMAGE_IS_REPLACEMENT)
5045 outs() << " OBJC_IMAGE_IS_REPLACEMENT";
5046 if (o.flags & OBJC_IMAGE_SUPPORTS_GC)
5047 outs() << " OBJC_IMAGE_SUPPORTS_GC";
5048 swift_version = (o.flags >> 8) & 0xff;
5049 if (swift_version != 0) {
5050 if (swift_version == 1)
5051 outs() << " Swift 1.0";
5052 else if (swift_version == 2)
5053 outs() << " Swift 1.1";
5055 outs() << " unknown future Swift version (" << swift_version << ")";
5060 static void print_image_info32(SectionRef S, struct DisassembleInfo *info) {
5061 uint32_t left, offset, swift_version, p;
5062 struct objc_image_info32 o;
5066 S.getName(SectName);
5067 DataRefImpl Ref = S.getRawDataRefImpl();
5068 StringRef SegName = info->O->getSectionFinalSegmentName(Ref);
5069 outs() << "Contents of (" << SegName << "," << SectName << ") section\n";
5071 r = get_pointer_32(p, offset, left, S, info);
5074 memset(&o, '\0', sizeof(struct objc_image_info32));
5075 if (left < sizeof(struct objc_image_info32)) {
5076 memcpy(&o, r, left);
5077 outs() << " (objc_image_info entends past the end of the section)\n";
5079 memcpy(&o, r, sizeof(struct objc_image_info32));
5080 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
5082 outs() << " version " << o.version << "\n";
5083 outs() << " flags " << format("0x%" PRIx32, o.flags);
5084 if (o.flags & OBJC_IMAGE_IS_REPLACEMENT)
5085 outs() << " OBJC_IMAGE_IS_REPLACEMENT";
5086 if (o.flags & OBJC_IMAGE_SUPPORTS_GC)
5087 outs() << " OBJC_IMAGE_SUPPORTS_GC";
5088 swift_version = (o.flags >> 8) & 0xff;
5089 if (swift_version != 0) {
5090 if (swift_version == 1)
5091 outs() << " Swift 1.0";
5092 else if (swift_version == 2)
5093 outs() << " Swift 1.1";
5095 outs() << " unknown future Swift version (" << swift_version << ")";
5100 static void print_image_info(SectionRef S, struct DisassembleInfo *info) {
5101 uint32_t left, offset, p;
5102 struct imageInfo_t o;
5106 S.getName(SectName);
5107 DataRefImpl Ref = S.getRawDataRefImpl();
5108 StringRef SegName = info->O->getSectionFinalSegmentName(Ref);
5109 outs() << "Contents of (" << SegName << "," << SectName << ") section\n";
5111 r = get_pointer_32(p, offset, left, S, info);
5114 memset(&o, '\0', sizeof(struct imageInfo_t));
5115 if (left < sizeof(struct imageInfo_t)) {
5116 memcpy(&o, r, left);
5117 outs() << " (imageInfo entends past the end of the section)\n";
5119 memcpy(&o, r, sizeof(struct imageInfo_t));
5120 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
5122 outs() << " version " << o.version << "\n";
5123 outs() << " flags " << format("0x%" PRIx32, o.flags);
5129 outs() << " GC-only";
5135 static void printObjc2_64bit_MetaData(MachOObjectFile *O, bool verbose) {
5136 SymbolAddressMap AddrMap;
5138 CreateSymbolAddressMap(O, &AddrMap);
5140 std::vector<SectionRef> Sections;
5141 for (const SectionRef &Section : O->sections()) {
5143 Section.getName(SectName);
5144 Sections.push_back(Section);
5147 struct DisassembleInfo info;
5148 // Set up the block of info used by the Symbolizer call backs.
5149 info.verbose = verbose;
5151 info.AddrMap = &AddrMap;
5152 info.Sections = &Sections;
5153 info.class_name = nullptr;
5154 info.selector_name = nullptr;
5155 info.method = nullptr;
5156 info.demangled_name = nullptr;
5157 info.bindtable = nullptr;
5162 SectionRef CL = get_section(O, "__OBJC2", "__class_list");
5163 if (CL == SectionRef())
5164 CL = get_section(O, "__DATA", "__objc_classlist");
5166 walk_pointer_list_64("class", CL, O, &info, print_class64_t);
5168 SectionRef CR = get_section(O, "__OBJC2", "__class_refs");
5169 if (CR == SectionRef())
5170 CR = get_section(O, "__DATA", "__objc_classrefs");
5172 walk_pointer_list_64("class refs", CR, O, &info, nullptr);
5174 SectionRef SR = get_section(O, "__OBJC2", "__super_refs");
5175 if (SR == SectionRef())
5176 SR = get_section(O, "__DATA", "__objc_superrefs");
5178 walk_pointer_list_64("super refs", SR, O, &info, nullptr);
5180 SectionRef CA = get_section(O, "__OBJC2", "__category_list");
5181 if (CA == SectionRef())
5182 CA = get_section(O, "__DATA", "__objc_catlist");
5184 walk_pointer_list_64("category", CA, O, &info, print_category64_t);
5186 SectionRef PL = get_section(O, "__OBJC2", "__protocol_list");
5187 if (PL == SectionRef())
5188 PL = get_section(O, "__DATA", "__objc_protolist");
5190 walk_pointer_list_64("protocol", PL, O, &info, nullptr);
5192 SectionRef MR = get_section(O, "__OBJC2", "__message_refs");
5193 if (MR == SectionRef())
5194 MR = get_section(O, "__DATA", "__objc_msgrefs");
5196 print_message_refs64(MR, &info);
5198 SectionRef II = get_section(O, "__OBJC2", "__image_info");
5199 if (II == SectionRef())
5200 II = get_section(O, "__DATA", "__objc_imageinfo");
5202 print_image_info64(II, &info);
5204 if (info.bindtable != nullptr)
5205 delete info.bindtable;
5208 static void printObjc2_32bit_MetaData(MachOObjectFile *O, bool verbose) {
5209 SymbolAddressMap AddrMap;
5211 CreateSymbolAddressMap(O, &AddrMap);
5213 std::vector<SectionRef> Sections;
5214 for (const SectionRef &Section : O->sections()) {
5216 Section.getName(SectName);
5217 Sections.push_back(Section);
5220 struct DisassembleInfo info;
5221 // Set up the block of info used by the Symbolizer call backs.
5222 info.verbose = verbose;
5224 info.AddrMap = &AddrMap;
5225 info.Sections = &Sections;
5226 info.class_name = nullptr;
5227 info.selector_name = nullptr;
5228 info.method = nullptr;
5229 info.demangled_name = nullptr;
5230 info.bindtable = nullptr;
5234 const SectionRef CL = get_section(O, "__OBJC2", "__class_list");
5235 if (CL != SectionRef()) {
5237 walk_pointer_list_32("class", CL, O, &info, print_class32_t);
5239 const SectionRef CL = get_section(O, "__DATA", "__objc_classlist");
5241 walk_pointer_list_32("class", CL, O, &info, print_class32_t);
5244 const SectionRef CR = get_section(O, "__OBJC2", "__class_refs");
5245 if (CR != SectionRef()) {
5247 walk_pointer_list_32("class refs", CR, O, &info, nullptr);
5249 const SectionRef CR = get_section(O, "__DATA", "__objc_classrefs");
5251 walk_pointer_list_32("class refs", CR, O, &info, nullptr);
5254 const SectionRef SR = get_section(O, "__OBJC2", "__super_refs");
5255 if (SR != SectionRef()) {
5257 walk_pointer_list_32("super refs", SR, O, &info, nullptr);
5259 const SectionRef SR = get_section(O, "__DATA", "__objc_superrefs");
5261 walk_pointer_list_32("super refs", SR, O, &info, nullptr);
5264 const SectionRef CA = get_section(O, "__OBJC2", "__category_list");
5265 if (CA != SectionRef()) {
5267 walk_pointer_list_32("category", CA, O, &info, print_category32_t);
5269 const SectionRef CA = get_section(O, "__DATA", "__objc_catlist");
5271 walk_pointer_list_32("category", CA, O, &info, print_category32_t);
5274 const SectionRef PL = get_section(O, "__OBJC2", "__protocol_list");
5275 if (PL != SectionRef()) {
5277 walk_pointer_list_32("protocol", PL, O, &info, nullptr);
5279 const SectionRef PL = get_section(O, "__DATA", "__objc_protolist");
5281 walk_pointer_list_32("protocol", PL, O, &info, nullptr);
5284 const SectionRef MR = get_section(O, "__OBJC2", "__message_refs");
5285 if (MR != SectionRef()) {
5287 print_message_refs32(MR, &info);
5289 const SectionRef MR = get_section(O, "__DATA", "__objc_msgrefs");
5291 print_message_refs32(MR, &info);
5294 const SectionRef II = get_section(O, "__OBJC2", "__image_info");
5295 if (II != SectionRef()) {
5297 print_image_info32(II, &info);
5299 const SectionRef II = get_section(O, "__DATA", "__objc_imageinfo");
5301 print_image_info32(II, &info);
5305 static bool printObjc1_32bit_MetaData(MachOObjectFile *O, bool verbose) {
5306 uint32_t i, j, p, offset, xoffset, left, defs_left, def;
5307 const char *r, *name, *defs;
5308 struct objc_module_t module;
5310 struct objc_symtab_t symtab;
5311 struct objc_class_t objc_class;
5312 struct objc_category_t objc_category;
5314 outs() << "Objective-C segment\n";
5315 S = get_section(O, "__OBJC", "__module_info");
5316 if (S == SectionRef())
5319 SymbolAddressMap AddrMap;
5321 CreateSymbolAddressMap(O, &AddrMap);
5323 std::vector<SectionRef> Sections;
5324 for (const SectionRef &Section : O->sections()) {
5326 Section.getName(SectName);
5327 Sections.push_back(Section);
5330 struct DisassembleInfo info;
5331 // Set up the block of info used by the Symbolizer call backs.
5332 info.verbose = verbose;
5334 info.AddrMap = &AddrMap;
5335 info.Sections = &Sections;
5336 info.class_name = nullptr;
5337 info.selector_name = nullptr;
5338 info.method = nullptr;
5339 info.demangled_name = nullptr;
5340 info.bindtable = nullptr;
5344 for (i = 0; i < S.getSize(); i += sizeof(struct objc_module_t)) {
5345 p = S.getAddress() + i;
5346 r = get_pointer_32(p, offset, left, S, &info, true);
5349 memset(&module, '\0', sizeof(struct objc_module_t));
5350 if (left < sizeof(struct objc_module_t)) {
5351 memcpy(&module, r, left);
5352 outs() << " (module extends past end of __module_info section)\n";
5354 memcpy(&module, r, sizeof(struct objc_module_t));
5355 if (O->isLittleEndian() != sys::IsLittleEndianHost)
5358 outs() << "Module " << format("0x%" PRIx32, p) << "\n";
5359 outs() << " version " << module.version << "\n";
5360 outs() << " size " << module.size << "\n";
5362 name = get_pointer_32(module.name, xoffset, left, xS, &info, true);
5363 if (name != nullptr)
5364 outs() << format("%.*s", left, name);
5366 outs() << format("0x%08" PRIx32, module.name)
5367 << "(not in an __OBJC section)";
5370 r = get_pointer_32(module.symtab, xoffset, left, xS, &info, true);
5371 if (module.symtab == 0 || r == nullptr) {
5372 outs() << " symtab " << format("0x%08" PRIx32, module.symtab)
5373 << " (not in an __OBJC section)\n";
5376 outs() << " symtab " << format("0x%08" PRIx32, module.symtab) << "\n";
5377 memset(&symtab, '\0', sizeof(struct objc_symtab_t));
5380 if (left < sizeof(struct objc_symtab_t)) {
5381 memcpy(&symtab, r, left);
5382 outs() << "\tsymtab extends past end of an __OBJC section)\n";
5384 memcpy(&symtab, r, sizeof(struct objc_symtab_t));
5385 if (left > sizeof(struct objc_symtab_t)) {
5386 defs_left = left - sizeof(struct objc_symtab_t);
5387 defs = r + sizeof(struct objc_symtab_t);
5390 if (O->isLittleEndian() != sys::IsLittleEndianHost)
5393 outs() << "\tsel_ref_cnt " << symtab.sel_ref_cnt << "\n";
5394 r = get_pointer_32(symtab.refs, xoffset, left, xS, &info, true);
5395 outs() << "\trefs " << format("0x%08" PRIx32, symtab.refs);
5397 outs() << " (not in an __OBJC section)";
5399 outs() << "\tcls_def_cnt " << symtab.cls_def_cnt << "\n";
5400 outs() << "\tcat_def_cnt " << symtab.cat_def_cnt << "\n";
5401 if (symtab.cls_def_cnt > 0)
5402 outs() << "\tClass Definitions\n";
5403 for (j = 0; j < symtab.cls_def_cnt; j++) {
5404 if ((j + 1) * sizeof(uint32_t) > defs_left) {
5405 outs() << "\t(remaining class defs entries entends past the end of the "
5409 memcpy(&def, defs + j * sizeof(uint32_t), sizeof(uint32_t));
5410 if (O->isLittleEndian() != sys::IsLittleEndianHost)
5411 sys::swapByteOrder(def);
5413 r = get_pointer_32(def, xoffset, left, xS, &info, true);
5414 outs() << "\tdefs[" << j << "] " << format("0x%08" PRIx32, def);
5416 if (left > sizeof(struct objc_class_t)) {
5418 memcpy(&objc_class, r, sizeof(struct objc_class_t));
5420 outs() << " (entends past the end of the section)\n";
5421 memset(&objc_class, '\0', sizeof(struct objc_class_t));
5422 memcpy(&objc_class, r, left);
5424 if (O->isLittleEndian() != sys::IsLittleEndianHost)
5425 swapStruct(objc_class);
5426 print_objc_class_t(&objc_class, &info);
5428 outs() << "(not in an __OBJC section)\n";
5431 if (CLS_GETINFO(&objc_class, CLS_CLASS)) {
5432 outs() << "\tMeta Class";
5433 r = get_pointer_32(objc_class.isa, xoffset, left, xS, &info, true);
5435 if (left > sizeof(struct objc_class_t)) {
5437 memcpy(&objc_class, r, sizeof(struct objc_class_t));
5439 outs() << " (entends past the end of the section)\n";
5440 memset(&objc_class, '\0', sizeof(struct objc_class_t));
5441 memcpy(&objc_class, r, left);
5443 if (O->isLittleEndian() != sys::IsLittleEndianHost)
5444 swapStruct(objc_class);
5445 print_objc_class_t(&objc_class, &info);
5447 outs() << "(not in an __OBJC section)\n";
5451 if (symtab.cat_def_cnt > 0)
5452 outs() << "\tCategory Definitions\n";
5453 for (j = 0; j < symtab.cat_def_cnt; j++) {
5454 if ((j + symtab.cls_def_cnt + 1) * sizeof(uint32_t) > defs_left) {
5455 outs() << "\t(remaining category defs entries entends past the end of "
5456 << "the section)\n";
5459 memcpy(&def, defs + (j + symtab.cls_def_cnt) * sizeof(uint32_t),
5461 if (O->isLittleEndian() != sys::IsLittleEndianHost)
5462 sys::swapByteOrder(def);
5464 r = get_pointer_32(def, xoffset, left, xS, &info, true);
5465 outs() << "\tdefs[" << j + symtab.cls_def_cnt << "] "
5466 << format("0x%08" PRIx32, def);
5468 if (left > sizeof(struct objc_category_t)) {
5470 memcpy(&objc_category, r, sizeof(struct objc_category_t));
5472 outs() << " (entends past the end of the section)\n";
5473 memset(&objc_category, '\0', sizeof(struct objc_category_t));
5474 memcpy(&objc_category, r, left);
5476 if (O->isLittleEndian() != sys::IsLittleEndianHost)
5477 swapStruct(objc_category);
5478 print_objc_objc_category_t(&objc_category, &info);
5480 outs() << "(not in an __OBJC section)\n";
5484 const SectionRef II = get_section(O, "__OBJC", "__image_info");
5485 if (II != SectionRef())
5486 print_image_info(II, &info);
5491 static void DumpProtocolSection(MachOObjectFile *O, const char *sect,
5492 uint32_t size, uint32_t addr) {
5493 SymbolAddressMap AddrMap;
5494 CreateSymbolAddressMap(O, &AddrMap);
5496 std::vector<SectionRef> Sections;
5497 for (const SectionRef &Section : O->sections()) {
5499 Section.getName(SectName);
5500 Sections.push_back(Section);
5503 struct DisassembleInfo info;
5504 // Set up the block of info used by the Symbolizer call backs.
5505 info.verbose = true;
5507 info.AddrMap = &AddrMap;
5508 info.Sections = &Sections;
5509 info.class_name = nullptr;
5510 info.selector_name = nullptr;
5511 info.method = nullptr;
5512 info.demangled_name = nullptr;
5513 info.bindtable = nullptr;
5518 struct objc_protocol_t protocol;
5519 uint32_t left, paddr;
5520 for (p = sect; p < sect + size; p += sizeof(struct objc_protocol_t)) {
5521 memset(&protocol, '\0', sizeof(struct objc_protocol_t));
5522 left = size - (p - sect);
5523 if (left < sizeof(struct objc_protocol_t)) {
5524 outs() << "Protocol extends past end of __protocol section\n";
5525 memcpy(&protocol, p, left);
5527 memcpy(&protocol, p, sizeof(struct objc_protocol_t));
5528 if (O->isLittleEndian() != sys::IsLittleEndianHost)
5529 swapStruct(protocol);
5530 paddr = addr + (p - sect);
5531 outs() << "Protocol " << format("0x%" PRIx32, paddr);
5532 if (print_protocol(paddr, 0, &info))
5533 outs() << "(not in an __OBJC section)\n";
5537 static void printObjcMetaData(MachOObjectFile *O, bool verbose) {
5539 printObjc2_64bit_MetaData(O, verbose);
5541 MachO::mach_header H;
5543 if (H.cputype == MachO::CPU_TYPE_ARM)
5544 printObjc2_32bit_MetaData(O, verbose);
5546 // This is the 32-bit non-arm cputype case. Which is normally
5547 // the first Objective-C ABI. But it may be the case of a
5548 // binary for the iOS simulator which is the second Objective-C
5549 // ABI. In that case printObjc1_32bit_MetaData() will determine that
5550 // and return false.
5551 if (!printObjc1_32bit_MetaData(O, verbose))
5552 printObjc2_32bit_MetaData(O, verbose);
5557 // GuessLiteralPointer returns a string which for the item in the Mach-O file
5558 // for the address passed in as ReferenceValue for printing as a comment with
5559 // the instruction and also returns the corresponding type of that item
5560 // indirectly through ReferenceType.
5562 // If ReferenceValue is an address of literal cstring then a pointer to the
5563 // cstring is returned and ReferenceType is set to
5564 // LLVMDisassembler_ReferenceType_Out_LitPool_CstrAddr .
5566 // If ReferenceValue is an address of an Objective-C CFString, Selector ref or
5567 // Class ref that name is returned and the ReferenceType is set accordingly.
5569 // Lastly, literals which are Symbol address in a literal pool are looked for
5570 // and if found the symbol name is returned and ReferenceType is set to
5571 // LLVMDisassembler_ReferenceType_Out_LitPool_SymAddr .
5573 // If there is no item in the Mach-O file for the address passed in as
5574 // ReferenceValue nullptr is returned and ReferenceType is unchanged.
5575 static const char *GuessLiteralPointer(uint64_t ReferenceValue,
5576 uint64_t ReferencePC,
5577 uint64_t *ReferenceType,
5578 struct DisassembleInfo *info) {
5579 // First see if there is an external relocation entry at the ReferencePC.
5580 if (info->O->getHeader().filetype == MachO::MH_OBJECT) {
5581 uint64_t sect_addr = info->S.getAddress();
5582 uint64_t sect_offset = ReferencePC - sect_addr;
5583 bool reloc_found = false;
5585 MachO::any_relocation_info RE;
5586 bool isExtern = false;
5588 for (const RelocationRef &Reloc : info->S.relocations()) {
5589 uint64_t RelocOffset = Reloc.getOffset();
5590 if (RelocOffset == sect_offset) {
5591 Rel = Reloc.getRawDataRefImpl();
5592 RE = info->O->getRelocation(Rel);
5593 if (info->O->isRelocationScattered(RE))
5595 isExtern = info->O->getPlainRelocationExternal(RE);
5597 symbol_iterator RelocSym = Reloc.getSymbol();
5604 // If there is an external relocation entry for a symbol in a section
5605 // then used that symbol's value for the value of the reference.
5606 if (reloc_found && isExtern) {
5607 if (info->O->getAnyRelocationPCRel(RE)) {
5608 unsigned Type = info->O->getAnyRelocationType(RE);
5609 if (Type == MachO::X86_64_RELOC_SIGNED) {
5610 ReferenceValue = Symbol.getValue();
5616 // Look for literals such as Objective-C CFStrings refs, Selector refs,
5617 // Message refs and Class refs.
5618 bool classref, selref, msgref, cfstring;
5619 uint64_t pointer_value = GuessPointerPointer(ReferenceValue, info, classref,
5620 selref, msgref, cfstring);
5621 if (classref && pointer_value == 0) {
5622 // Note the ReferenceValue is a pointer into the __objc_classrefs section.
5623 // And the pointer_value in that section is typically zero as it will be
5624 // set by dyld as part of the "bind information".
5625 const char *name = get_dyld_bind_info_symbolname(ReferenceValue, info);
5626 if (name != nullptr) {
5627 *ReferenceType = LLVMDisassembler_ReferenceType_Out_Objc_Class_Ref;
5628 const char *class_name = strrchr(name, '$');
5629 if (class_name != nullptr && class_name[1] == '_' &&
5630 class_name[2] != '\0') {
5631 info->class_name = class_name + 2;
5638 *ReferenceType = LLVMDisassembler_ReferenceType_Out_Objc_Class_Ref;
5640 get_objc2_64bit_class_name(pointer_value, ReferenceValue, info);
5641 if (name != nullptr)
5642 info->class_name = name;
5644 name = "bad class ref";
5649 *ReferenceType = LLVMDisassembler_ReferenceType_Out_Objc_CFString_Ref;
5650 const char *name = get_objc2_64bit_cfstring_name(ReferenceValue, info);
5654 if (selref && pointer_value == 0)
5655 pointer_value = get_objc2_64bit_selref(ReferenceValue, info);
5657 if (pointer_value != 0)
5658 ReferenceValue = pointer_value;
5660 const char *name = GuessCstringPointer(ReferenceValue, info);
5662 if (pointer_value != 0 && selref) {
5663 *ReferenceType = LLVMDisassembler_ReferenceType_Out_Objc_Selector_Ref;
5664 info->selector_name = name;
5665 } else if (pointer_value != 0 && msgref) {
5666 info->class_name = nullptr;
5667 *ReferenceType = LLVMDisassembler_ReferenceType_Out_Objc_Message_Ref;
5668 info->selector_name = name;
5670 *ReferenceType = LLVMDisassembler_ReferenceType_Out_LitPool_CstrAddr;
5674 // Lastly look for an indirect symbol with this ReferenceValue which is in
5675 // a literal pool. If found return that symbol name.
5676 name = GuessIndirectSymbol(ReferenceValue, info);
5678 *ReferenceType = LLVMDisassembler_ReferenceType_Out_LitPool_SymAddr;
5685 // SymbolizerSymbolLookUp is the symbol lookup function passed when creating
5686 // the Symbolizer. It looks up the ReferenceValue using the info passed via the
5687 // pointer to the struct DisassembleInfo that was passed when MCSymbolizer
5688 // is created and returns the symbol name that matches the ReferenceValue or
5689 // nullptr if none. The ReferenceType is passed in for the IN type of
5690 // reference the instruction is making from the values in defined in the header
5691 // "llvm-c/Disassembler.h". On return the ReferenceType can set to a specific
5692 // Out type and the ReferenceName will also be set which is added as a comment
5693 // to the disassembled instruction.
5696 // If the symbol name is a C++ mangled name then the demangled name is
5697 // returned through ReferenceName and ReferenceType is set to
5698 // LLVMDisassembler_ReferenceType_DeMangled_Name .
5701 // When this is called to get a symbol name for a branch target then the
5702 // ReferenceType will be LLVMDisassembler_ReferenceType_In_Branch and then
5703 // SymbolValue will be looked for in the indirect symbol table to determine if
5704 // it is an address for a symbol stub. If so then the symbol name for that
5705 // stub is returned indirectly through ReferenceName and then ReferenceType is
5706 // set to LLVMDisassembler_ReferenceType_Out_SymbolStub.
5708 // When this is called with an value loaded via a PC relative load then
5709 // ReferenceType will be LLVMDisassembler_ReferenceType_In_PCrel_Load then the
5710 // SymbolValue is checked to be an address of literal pointer, symbol pointer,
5711 // or an Objective-C meta data reference. If so the output ReferenceType is
5712 // set to correspond to that as well as setting the ReferenceName.
5713 static const char *SymbolizerSymbolLookUp(void *DisInfo,
5714 uint64_t ReferenceValue,
5715 uint64_t *ReferenceType,
5716 uint64_t ReferencePC,
5717 const char **ReferenceName) {
5718 struct DisassembleInfo *info = (struct DisassembleInfo *)DisInfo;
5719 // If no verbose symbolic information is wanted then just return nullptr.
5720 if (!info->verbose) {
5721 *ReferenceName = nullptr;
5722 *ReferenceType = LLVMDisassembler_ReferenceType_InOut_None;
5726 const char *SymbolName = GuessSymbolName(ReferenceValue, info->AddrMap);
5728 if (*ReferenceType == LLVMDisassembler_ReferenceType_In_Branch) {
5729 *ReferenceName = GuessIndirectSymbol(ReferenceValue, info);
5730 if (*ReferenceName != nullptr) {
5731 method_reference(info, ReferenceType, ReferenceName);
5732 if (*ReferenceType != LLVMDisassembler_ReferenceType_Out_Objc_Message)
5733 *ReferenceType = LLVMDisassembler_ReferenceType_Out_SymbolStub;
5736 if (SymbolName != nullptr && strncmp(SymbolName, "__Z", 3) == 0) {
5737 if (info->demangled_name != nullptr)
5738 free(info->demangled_name);
5740 info->demangled_name =
5741 abi::__cxa_demangle(SymbolName + 1, nullptr, nullptr, &status);
5742 if (info->demangled_name != nullptr) {
5743 *ReferenceName = info->demangled_name;
5744 *ReferenceType = LLVMDisassembler_ReferenceType_DeMangled_Name;
5746 *ReferenceType = LLVMDisassembler_ReferenceType_InOut_None;
5749 *ReferenceType = LLVMDisassembler_ReferenceType_InOut_None;
5750 } else if (*ReferenceType == LLVMDisassembler_ReferenceType_In_PCrel_Load) {
5752 GuessLiteralPointer(ReferenceValue, ReferencePC, ReferenceType, info);
5754 method_reference(info, ReferenceType, ReferenceName);
5756 *ReferenceType = LLVMDisassembler_ReferenceType_InOut_None;
5757 // If this is arm64 and the reference is an adrp instruction save the
5758 // instruction, passed in ReferenceValue and the address of the instruction
5759 // for use later if we see and add immediate instruction.
5760 } else if (info->O->getArch() == Triple::aarch64 &&
5761 *ReferenceType == LLVMDisassembler_ReferenceType_In_ARM64_ADRP) {
5762 info->adrp_inst = ReferenceValue;
5763 info->adrp_addr = ReferencePC;
5764 SymbolName = nullptr;
5765 *ReferenceName = nullptr;
5766 *ReferenceType = LLVMDisassembler_ReferenceType_InOut_None;
5767 // If this is arm64 and reference is an add immediate instruction and we
5769 // seen an adrp instruction just before it and the adrp's Xd register
5771 // this add's Xn register reconstruct the value being referenced and look to
5772 // see if it is a literal pointer. Note the add immediate instruction is
5773 // passed in ReferenceValue.
5774 } else if (info->O->getArch() == Triple::aarch64 &&
5775 *ReferenceType == LLVMDisassembler_ReferenceType_In_ARM64_ADDXri &&
5776 ReferencePC - 4 == info->adrp_addr &&
5777 (info->adrp_inst & 0x9f000000) == 0x90000000 &&
5778 (info->adrp_inst & 0x1f) == ((ReferenceValue >> 5) & 0x1f)) {
5779 uint32_t addxri_inst;
5780 uint64_t adrp_imm, addxri_imm;
5783 ((info->adrp_inst & 0x00ffffe0) >> 3) | ((info->adrp_inst >> 29) & 0x3);
5784 if (info->adrp_inst & 0x0200000)
5785 adrp_imm |= 0xfffffffffc000000LL;
5787 addxri_inst = ReferenceValue;
5788 addxri_imm = (addxri_inst >> 10) & 0xfff;
5789 if (((addxri_inst >> 22) & 0x3) == 1)
5792 ReferenceValue = (info->adrp_addr & 0xfffffffffffff000LL) +
5793 (adrp_imm << 12) + addxri_imm;
5796 GuessLiteralPointer(ReferenceValue, ReferencePC, ReferenceType, info);
5797 if (*ReferenceName == nullptr)
5798 *ReferenceType = LLVMDisassembler_ReferenceType_InOut_None;
5799 // If this is arm64 and the reference is a load register instruction and we
5800 // have seen an adrp instruction just before it and the adrp's Xd register
5801 // matches this add's Xn register reconstruct the value being referenced and
5802 // look to see if it is a literal pointer. Note the load register
5803 // instruction is passed in ReferenceValue.
5804 } else if (info->O->getArch() == Triple::aarch64 &&
5805 *ReferenceType == LLVMDisassembler_ReferenceType_In_ARM64_LDRXui &&
5806 ReferencePC - 4 == info->adrp_addr &&
5807 (info->adrp_inst & 0x9f000000) == 0x90000000 &&
5808 (info->adrp_inst & 0x1f) == ((ReferenceValue >> 5) & 0x1f)) {
5809 uint32_t ldrxui_inst;
5810 uint64_t adrp_imm, ldrxui_imm;
5813 ((info->adrp_inst & 0x00ffffe0) >> 3) | ((info->adrp_inst >> 29) & 0x3);
5814 if (info->adrp_inst & 0x0200000)
5815 adrp_imm |= 0xfffffffffc000000LL;
5817 ldrxui_inst = ReferenceValue;
5818 ldrxui_imm = (ldrxui_inst >> 10) & 0xfff;
5820 ReferenceValue = (info->adrp_addr & 0xfffffffffffff000LL) +
5821 (adrp_imm << 12) + (ldrxui_imm << 3);
5824 GuessLiteralPointer(ReferenceValue, ReferencePC, ReferenceType, info);
5825 if (*ReferenceName == nullptr)
5826 *ReferenceType = LLVMDisassembler_ReferenceType_InOut_None;
5828 // If this arm64 and is an load register (PC-relative) instruction the
5829 // ReferenceValue is the PC plus the immediate value.
5830 else if (info->O->getArch() == Triple::aarch64 &&
5831 (*ReferenceType == LLVMDisassembler_ReferenceType_In_ARM64_LDRXl ||
5832 *ReferenceType == LLVMDisassembler_ReferenceType_In_ARM64_ADR)) {
5834 GuessLiteralPointer(ReferenceValue, ReferencePC, ReferenceType, info);
5835 if (*ReferenceName == nullptr)
5836 *ReferenceType = LLVMDisassembler_ReferenceType_InOut_None;
5839 else if (SymbolName != nullptr && strncmp(SymbolName, "__Z", 3) == 0) {
5840 if (info->demangled_name != nullptr)
5841 free(info->demangled_name);
5843 info->demangled_name =
5844 abi::__cxa_demangle(SymbolName + 1, nullptr, nullptr, &status);
5845 if (info->demangled_name != nullptr) {
5846 *ReferenceName = info->demangled_name;
5847 *ReferenceType = LLVMDisassembler_ReferenceType_DeMangled_Name;
5852 *ReferenceName = nullptr;
5853 *ReferenceType = LLVMDisassembler_ReferenceType_InOut_None;
5859 /// \brief Emits the comments that are stored in the CommentStream.
5860 /// Each comment in the CommentStream must end with a newline.
5861 static void emitComments(raw_svector_ostream &CommentStream,
5862 SmallString<128> &CommentsToEmit,
5863 formatted_raw_ostream &FormattedOS,
5864 const MCAsmInfo &MAI) {
5865 // Flush the stream before taking its content.
5866 StringRef Comments = CommentsToEmit.str();
5867 // Get the default information for printing a comment.
5868 const char *CommentBegin = MAI.getCommentString();
5869 unsigned CommentColumn = MAI.getCommentColumn();
5870 bool IsFirst = true;
5871 while (!Comments.empty()) {
5873 FormattedOS << '\n';
5874 // Emit a line of comments.
5875 FormattedOS.PadToColumn(CommentColumn);
5876 size_t Position = Comments.find('\n');
5877 FormattedOS << CommentBegin << ' ' << Comments.substr(0, Position);
5878 // Move after the newline character.
5879 Comments = Comments.substr(Position + 1);
5882 FormattedOS.flush();
5884 // Tell the comment stream that the vector changed underneath it.
5885 CommentsToEmit.clear();
5888 static void DisassembleMachO(StringRef Filename, MachOObjectFile *MachOOF,
5889 StringRef DisSegName, StringRef DisSectName) {
5890 const char *McpuDefault = nullptr;
5891 const Target *ThumbTarget = nullptr;
5892 const Target *TheTarget = GetTarget(MachOOF, &McpuDefault, &ThumbTarget);
5894 // GetTarget prints out stuff.
5897 if (MCPU.empty() && McpuDefault)
5900 std::unique_ptr<const MCInstrInfo> InstrInfo(TheTarget->createMCInstrInfo());
5901 std::unique_ptr<const MCInstrInfo> ThumbInstrInfo;
5903 ThumbInstrInfo.reset(ThumbTarget->createMCInstrInfo());
5905 // Package up features to be passed to target/subtarget
5906 std::string FeaturesStr;
5907 if (MAttrs.size()) {
5908 SubtargetFeatures Features;
5909 for (unsigned i = 0; i != MAttrs.size(); ++i)
5910 Features.AddFeature(MAttrs[i]);
5911 FeaturesStr = Features.getString();
5914 // Set up disassembler.
5915 std::unique_ptr<const MCRegisterInfo> MRI(
5916 TheTarget->createMCRegInfo(TripleName));
5917 std::unique_ptr<const MCAsmInfo> AsmInfo(
5918 TheTarget->createMCAsmInfo(*MRI, TripleName));
5919 std::unique_ptr<const MCSubtargetInfo> STI(
5920 TheTarget->createMCSubtargetInfo(TripleName, MCPU, FeaturesStr));
5921 MCContext Ctx(AsmInfo.get(), MRI.get(), nullptr);
5922 std::unique_ptr<MCDisassembler> DisAsm(
5923 TheTarget->createMCDisassembler(*STI, Ctx));
5924 std::unique_ptr<MCSymbolizer> Symbolizer;
5925 struct DisassembleInfo SymbolizerInfo;
5926 std::unique_ptr<MCRelocationInfo> RelInfo(
5927 TheTarget->createMCRelocationInfo(TripleName, Ctx));
5929 Symbolizer.reset(TheTarget->createMCSymbolizer(
5930 TripleName, SymbolizerGetOpInfo, SymbolizerSymbolLookUp,
5931 &SymbolizerInfo, &Ctx, std::move(RelInfo)));
5932 DisAsm->setSymbolizer(std::move(Symbolizer));
5934 int AsmPrinterVariant = AsmInfo->getAssemblerDialect();
5935 std::unique_ptr<MCInstPrinter> IP(TheTarget->createMCInstPrinter(
5936 Triple(TripleName), AsmPrinterVariant, *AsmInfo, *InstrInfo, *MRI));
5937 // Set the display preference for hex vs. decimal immediates.
5938 IP->setPrintImmHex(PrintImmHex);
5939 // Comment stream and backing vector.
5940 SmallString<128> CommentsToEmit;
5941 raw_svector_ostream CommentStream(CommentsToEmit);
5942 // FIXME: Setting the CommentStream in the InstPrinter is problematic in that
5943 // if it is done then arm64 comments for string literals don't get printed
5944 // and some constant get printed instead and not setting it causes intel
5945 // (32-bit and 64-bit) comments printed with different spacing before the
5946 // comment causing different diffs with the 'C' disassembler library API.
5947 // IP->setCommentStream(CommentStream);
5949 if (!AsmInfo || !STI || !DisAsm || !IP) {
5950 errs() << "error: couldn't initialize disassembler for target "
5951 << TripleName << '\n';
5955 // Set up thumb disassembler.
5956 std::unique_ptr<const MCRegisterInfo> ThumbMRI;
5957 std::unique_ptr<const MCAsmInfo> ThumbAsmInfo;
5958 std::unique_ptr<const MCSubtargetInfo> ThumbSTI;
5959 std::unique_ptr<MCDisassembler> ThumbDisAsm;
5960 std::unique_ptr<MCInstPrinter> ThumbIP;
5961 std::unique_ptr<MCContext> ThumbCtx;
5962 std::unique_ptr<MCSymbolizer> ThumbSymbolizer;
5963 struct DisassembleInfo ThumbSymbolizerInfo;
5964 std::unique_ptr<MCRelocationInfo> ThumbRelInfo;
5966 ThumbMRI.reset(ThumbTarget->createMCRegInfo(ThumbTripleName));
5968 ThumbTarget->createMCAsmInfo(*ThumbMRI, ThumbTripleName));
5970 ThumbTarget->createMCSubtargetInfo(ThumbTripleName, MCPU, FeaturesStr));
5971 ThumbCtx.reset(new MCContext(ThumbAsmInfo.get(), ThumbMRI.get(), nullptr));
5972 ThumbDisAsm.reset(ThumbTarget->createMCDisassembler(*ThumbSTI, *ThumbCtx));
5973 MCContext *PtrThumbCtx = ThumbCtx.get();
5975 ThumbTarget->createMCRelocationInfo(ThumbTripleName, *PtrThumbCtx));
5977 ThumbSymbolizer.reset(ThumbTarget->createMCSymbolizer(
5978 ThumbTripleName, SymbolizerGetOpInfo, SymbolizerSymbolLookUp,
5979 &ThumbSymbolizerInfo, PtrThumbCtx, std::move(ThumbRelInfo)));
5980 ThumbDisAsm->setSymbolizer(std::move(ThumbSymbolizer));
5982 int ThumbAsmPrinterVariant = ThumbAsmInfo->getAssemblerDialect();
5983 ThumbIP.reset(ThumbTarget->createMCInstPrinter(
5984 Triple(ThumbTripleName), ThumbAsmPrinterVariant, *ThumbAsmInfo,
5985 *ThumbInstrInfo, *ThumbMRI));
5986 // Set the display preference for hex vs. decimal immediates.
5987 ThumbIP->setPrintImmHex(PrintImmHex);
5990 if (ThumbTarget && (!ThumbAsmInfo || !ThumbSTI || !ThumbDisAsm || !ThumbIP)) {
5991 errs() << "error: couldn't initialize disassembler for target "
5992 << ThumbTripleName << '\n';
5996 MachO::mach_header Header = MachOOF->getHeader();
5998 // FIXME: Using the -cfg command line option, this code used to be able to
5999 // annotate relocations with the referenced symbol's name, and if this was
6000 // inside a __[cf]string section, the data it points to. This is now replaced
6001 // by the upcoming MCSymbolizer, which needs the appropriate setup done above.
6002 std::vector<SectionRef> Sections;
6003 std::vector<SymbolRef> Symbols;
6004 SmallVector<uint64_t, 8> FoundFns;
6005 uint64_t BaseSegmentAddress;
6007 getSectionsAndSymbols(MachOOF, Sections, Symbols, FoundFns,
6008 BaseSegmentAddress);
6010 // Sort the symbols by address, just in case they didn't come in that way.
6011 std::sort(Symbols.begin(), Symbols.end(), SymbolSorter());
6013 // Build a data in code table that is sorted on by the address of each entry.
6014 uint64_t BaseAddress = 0;
6015 if (Header.filetype == MachO::MH_OBJECT)
6016 BaseAddress = Sections[0].getAddress();
6018 BaseAddress = BaseSegmentAddress;
6020 for (dice_iterator DI = MachOOF->begin_dices(), DE = MachOOF->end_dices();
6023 DI->getOffset(Offset);
6024 Dices.push_back(std::make_pair(BaseAddress + Offset, *DI));
6026 array_pod_sort(Dices.begin(), Dices.end());
6029 raw_ostream &DebugOut = DebugFlag ? dbgs() : nulls();
6031 raw_ostream &DebugOut = nulls();
6034 std::unique_ptr<DIContext> diContext;
6035 ObjectFile *DbgObj = MachOOF;
6036 // Try to find debug info and set up the DIContext for it.
6038 // A separate DSym file path was specified, parse it as a macho file,
6039 // get the sections and supply it to the section name parsing machinery.
6040 if (!DSYMFile.empty()) {
6041 ErrorOr<std::unique_ptr<MemoryBuffer>> BufOrErr =
6042 MemoryBuffer::getFileOrSTDIN(DSYMFile);
6043 if (std::error_code EC = BufOrErr.getError()) {
6044 errs() << "llvm-objdump: " << Filename << ": " << EC.message() << '\n';
6048 ObjectFile::createMachOObjectFile(BufOrErr.get()->getMemBufferRef())
6053 // Setup the DIContext
6054 diContext.reset(new DWARFContextInMemory(*DbgObj));
6057 if (FilterSections.size() == 0)
6058 outs() << "(" << DisSegName << "," << DisSectName << ") section\n";
6060 for (unsigned SectIdx = 0; SectIdx != Sections.size(); SectIdx++) {
6062 if (Sections[SectIdx].getName(SectName) || SectName != DisSectName)
6065 DataRefImpl DR = Sections[SectIdx].getRawDataRefImpl();
6067 StringRef SegmentName = MachOOF->getSectionFinalSegmentName(DR);
6068 if (SegmentName != DisSegName)
6072 Sections[SectIdx].getContents(BytesStr);
6073 ArrayRef<uint8_t> Bytes(reinterpret_cast<const uint8_t *>(BytesStr.data()),
6075 uint64_t SectAddress = Sections[SectIdx].getAddress();
6077 bool symbolTableWorked = false;
6079 // Create a map of symbol addresses to symbol names for use by
6080 // the SymbolizerSymbolLookUp() routine.
6081 SymbolAddressMap AddrMap;
6082 bool DisSymNameFound = false;
6083 for (const SymbolRef &Symbol : MachOOF->symbols()) {
6084 SymbolRef::Type ST = Symbol.getType();
6085 if (ST == SymbolRef::ST_Function || ST == SymbolRef::ST_Data ||
6086 ST == SymbolRef::ST_Other) {
6087 uint64_t Address = Symbol.getValue();
6088 ErrorOr<StringRef> SymNameOrErr = Symbol.getName();
6089 if (std::error_code EC = SymNameOrErr.getError())
6090 report_fatal_error(EC.message());
6091 StringRef SymName = *SymNameOrErr;
6092 AddrMap[Address] = SymName;
6093 if (!DisSymName.empty() && DisSymName == SymName)
6094 DisSymNameFound = true;
6097 if (!DisSymName.empty() && !DisSymNameFound) {
6098 outs() << "Can't find -dis-symname: " << DisSymName << "\n";
6101 // Set up the block of info used by the Symbolizer call backs.
6102 SymbolizerInfo.verbose = !NoSymbolicOperands;
6103 SymbolizerInfo.O = MachOOF;
6104 SymbolizerInfo.S = Sections[SectIdx];
6105 SymbolizerInfo.AddrMap = &AddrMap;
6106 SymbolizerInfo.Sections = &Sections;
6107 SymbolizerInfo.class_name = nullptr;
6108 SymbolizerInfo.selector_name = nullptr;
6109 SymbolizerInfo.method = nullptr;
6110 SymbolizerInfo.demangled_name = nullptr;
6111 SymbolizerInfo.bindtable = nullptr;
6112 SymbolizerInfo.adrp_addr = 0;
6113 SymbolizerInfo.adrp_inst = 0;
6114 // Same for the ThumbSymbolizer
6115 ThumbSymbolizerInfo.verbose = !NoSymbolicOperands;
6116 ThumbSymbolizerInfo.O = MachOOF;
6117 ThumbSymbolizerInfo.S = Sections[SectIdx];
6118 ThumbSymbolizerInfo.AddrMap = &AddrMap;
6119 ThumbSymbolizerInfo.Sections = &Sections;
6120 ThumbSymbolizerInfo.class_name = nullptr;
6121 ThumbSymbolizerInfo.selector_name = nullptr;
6122 ThumbSymbolizerInfo.method = nullptr;
6123 ThumbSymbolizerInfo.demangled_name = nullptr;
6124 ThumbSymbolizerInfo.bindtable = nullptr;
6125 ThumbSymbolizerInfo.adrp_addr = 0;
6126 ThumbSymbolizerInfo.adrp_inst = 0;
6128 // Disassemble symbol by symbol.
6129 for (unsigned SymIdx = 0; SymIdx != Symbols.size(); SymIdx++) {
6130 ErrorOr<StringRef> SymNameOrErr = Symbols[SymIdx].getName();
6131 if (std::error_code EC = SymNameOrErr.getError())
6132 report_fatal_error(EC.message());
6133 StringRef SymName = *SymNameOrErr;
6135 SymbolRef::Type ST = Symbols[SymIdx].getType();
6136 if (ST != SymbolRef::ST_Function && ST != SymbolRef::ST_Data)
6139 // Make sure the symbol is defined in this section.
6140 bool containsSym = Sections[SectIdx].containsSymbol(Symbols[SymIdx]);
6144 // If we are only disassembling one symbol see if this is that symbol.
6145 if (!DisSymName.empty() && DisSymName != SymName)
6148 // Start at the address of the symbol relative to the section's address.
6149 uint64_t Start = Symbols[SymIdx].getValue();
6150 uint64_t SectionAddress = Sections[SectIdx].getAddress();
6151 Start -= SectionAddress;
6153 // Stop disassembling either at the beginning of the next symbol or at
6154 // the end of the section.
6155 bool containsNextSym = false;
6156 uint64_t NextSym = 0;
6157 uint64_t NextSymIdx = SymIdx + 1;
6158 while (Symbols.size() > NextSymIdx) {
6159 SymbolRef::Type NextSymType = Symbols[NextSymIdx].getType();
6160 if (NextSymType == SymbolRef::ST_Function) {
6162 Sections[SectIdx].containsSymbol(Symbols[NextSymIdx]);
6163 NextSym = Symbols[NextSymIdx].getValue();
6164 NextSym -= SectionAddress;
6170 uint64_t SectSize = Sections[SectIdx].getSize();
6171 uint64_t End = containsNextSym ? NextSym : SectSize;
6174 symbolTableWorked = true;
6176 DataRefImpl Symb = Symbols[SymIdx].getRawDataRefImpl();
6178 (MachOOF->getSymbolFlags(Symb) & SymbolRef::SF_Thumb) && ThumbTarget;
6180 outs() << SymName << ":\n";
6181 DILineInfo lastLine;
6182 for (uint64_t Index = Start; Index < End; Index += Size) {
6185 uint64_t PC = SectAddress + Index;
6186 if (!NoLeadingAddr) {
6187 if (FullLeadingAddr) {
6188 if (MachOOF->is64Bit())
6189 outs() << format("%016" PRIx64, PC);
6191 outs() << format("%08" PRIx64, PC);
6193 outs() << format("%8" PRIx64 ":", PC);
6199 // Check the data in code table here to see if this is data not an
6200 // instruction to be disassembled.
6202 Dice.push_back(std::make_pair(PC, DiceRef()));
6203 dice_table_iterator DTI =
6204 std::search(Dices.begin(), Dices.end(), Dice.begin(), Dice.end(),
6205 compareDiceTableEntries);
6206 if (DTI != Dices.end()) {
6208 DTI->second.getLength(Length);
6210 DTI->second.getKind(Kind);
6211 Size = DumpDataInCode(Bytes.data() + Index, Length, Kind);
6212 if ((Kind == MachO::DICE_KIND_JUMP_TABLE8) &&
6213 (PC == (DTI->first + Length - 1)) && (Length & 1))
6218 SmallVector<char, 64> AnnotationsBytes;
6219 raw_svector_ostream Annotations(AnnotationsBytes);
6223 gotInst = ThumbDisAsm->getInstruction(Inst, Size, Bytes.slice(Index),
6224 PC, DebugOut, Annotations);
6226 gotInst = DisAsm->getInstruction(Inst, Size, Bytes.slice(Index), PC,
6227 DebugOut, Annotations);
6229 if (!NoShowRawInsn) {
6230 dumpBytes(makeArrayRef(Bytes.data() + Index, Size), outs());
6232 formatted_raw_ostream FormattedOS(outs());
6233 StringRef AnnotationsStr = Annotations.str();
6235 ThumbIP->printInst(&Inst, FormattedOS, AnnotationsStr, *ThumbSTI);
6237 IP->printInst(&Inst, FormattedOS, AnnotationsStr, *STI);
6238 emitComments(CommentStream, CommentsToEmit, FormattedOS, *AsmInfo);
6240 // Print debug info.
6242 DILineInfo dli = diContext->getLineInfoForAddress(PC);
6243 // Print valid line info if it changed.
6244 if (dli != lastLine && dli.Line != 0)
6245 outs() << "\t## " << dli.FileName << ':' << dli.Line << ':'
6251 unsigned int Arch = MachOOF->getArch();
6252 if (Arch == Triple::x86_64 || Arch == Triple::x86) {
6253 outs() << format("\t.byte 0x%02x #bad opcode\n",
6254 *(Bytes.data() + Index) & 0xff);
6255 Size = 1; // skip exactly one illegible byte and move on.
6256 } else if (Arch == Triple::aarch64) {
6257 uint32_t opcode = (*(Bytes.data() + Index) & 0xff) |
6258 (*(Bytes.data() + Index + 1) & 0xff) << 8 |
6259 (*(Bytes.data() + Index + 2) & 0xff) << 16 |
6260 (*(Bytes.data() + Index + 3) & 0xff) << 24;
6261 outs() << format("\t.long\t0x%08x\n", opcode);
6264 errs() << "llvm-objdump: warning: invalid instruction encoding\n";
6266 Size = 1; // skip illegible bytes
6271 if (!symbolTableWorked) {
6272 // Reading the symbol table didn't work, disassemble the whole section.
6273 uint64_t SectAddress = Sections[SectIdx].getAddress();
6274 uint64_t SectSize = Sections[SectIdx].getSize();
6276 for (uint64_t Index = 0; Index < SectSize; Index += InstSize) {
6279 uint64_t PC = SectAddress + Index;
6280 if (DisAsm->getInstruction(Inst, InstSize, Bytes.slice(Index), PC,
6281 DebugOut, nulls())) {
6282 if (!NoLeadingAddr) {
6283 if (FullLeadingAddr) {
6284 if (MachOOF->is64Bit())
6285 outs() << format("%016" PRIx64, PC);
6287 outs() << format("%08" PRIx64, PC);
6289 outs() << format("%8" PRIx64 ":", PC);
6292 if (!NoShowRawInsn) {
6294 dumpBytes(makeArrayRef(Bytes.data() + Index, InstSize), outs());
6296 IP->printInst(&Inst, outs(), "", *STI);
6299 unsigned int Arch = MachOOF->getArch();
6300 if (Arch == Triple::x86_64 || Arch == Triple::x86) {
6301 outs() << format("\t.byte 0x%02x #bad opcode\n",
6302 *(Bytes.data() + Index) & 0xff);
6303 InstSize = 1; // skip exactly one illegible byte and move on.
6305 errs() << "llvm-objdump: warning: invalid instruction encoding\n";
6307 InstSize = 1; // skip illegible bytes
6312 // The TripleName's need to be reset if we are called again for a different
6315 ThumbTripleName = "";
6317 if (SymbolizerInfo.method != nullptr)
6318 free(SymbolizerInfo.method);
6319 if (SymbolizerInfo.demangled_name != nullptr)
6320 free(SymbolizerInfo.demangled_name);
6321 if (SymbolizerInfo.bindtable != nullptr)
6322 delete SymbolizerInfo.bindtable;
6323 if (ThumbSymbolizerInfo.method != nullptr)
6324 free(ThumbSymbolizerInfo.method);
6325 if (ThumbSymbolizerInfo.demangled_name != nullptr)
6326 free(ThumbSymbolizerInfo.demangled_name);
6327 if (ThumbSymbolizerInfo.bindtable != nullptr)
6328 delete ThumbSymbolizerInfo.bindtable;
6332 //===----------------------------------------------------------------------===//
6333 // __compact_unwind section dumping
6334 //===----------------------------------------------------------------------===//
6338 template <typename T> static uint64_t readNext(const char *&Buf) {
6339 using llvm::support::little;
6340 using llvm::support::unaligned;
6342 uint64_t Val = support::endian::read<T, little, unaligned>(Buf);
6347 struct CompactUnwindEntry {
6348 uint32_t OffsetInSection;
6350 uint64_t FunctionAddr;
6352 uint32_t CompactEncoding;
6353 uint64_t PersonalityAddr;
6356 RelocationRef FunctionReloc;
6357 RelocationRef PersonalityReloc;
6358 RelocationRef LSDAReloc;
6360 CompactUnwindEntry(StringRef Contents, unsigned Offset, bool Is64)
6361 : OffsetInSection(Offset) {
6363 read<uint64_t>(Contents.data() + Offset);
6365 read<uint32_t>(Contents.data() + Offset);
6369 template <typename UIntPtr> void read(const char *Buf) {
6370 FunctionAddr = readNext<UIntPtr>(Buf);
6371 Length = readNext<uint32_t>(Buf);
6372 CompactEncoding = readNext<uint32_t>(Buf);
6373 PersonalityAddr = readNext<UIntPtr>(Buf);
6374 LSDAAddr = readNext<UIntPtr>(Buf);
6379 /// Given a relocation from __compact_unwind, consisting of the RelocationRef
6380 /// and data being relocated, determine the best base Name and Addend to use for
6381 /// display purposes.
6383 /// 1. An Extern relocation will directly reference a symbol (and the data is
6384 /// then already an addend), so use that.
6385 /// 2. Otherwise the data is an offset in the object file's layout; try to find
6386 // a symbol before it in the same section, and use the offset from there.
6387 /// 3. Finally, if all that fails, fall back to an offset from the start of the
6388 /// referenced section.
6389 static void findUnwindRelocNameAddend(const MachOObjectFile *Obj,
6390 std::map<uint64_t, SymbolRef> &Symbols,
6391 const RelocationRef &Reloc, uint64_t Addr,
6392 StringRef &Name, uint64_t &Addend) {
6393 if (Reloc.getSymbol() != Obj->symbol_end()) {
6394 ErrorOr<StringRef> NameOrErr = Reloc.getSymbol()->getName();
6395 if (std::error_code EC = NameOrErr.getError())
6396 report_fatal_error(EC.message());
6402 auto RE = Obj->getRelocation(Reloc.getRawDataRefImpl());
6403 SectionRef RelocSection = Obj->getAnyRelocationSection(RE);
6405 uint64_t SectionAddr = RelocSection.getAddress();
6407 auto Sym = Symbols.upper_bound(Addr);
6408 if (Sym == Symbols.begin()) {
6409 // The first symbol in the object is after this reference, the best we can
6410 // do is section-relative notation.
6411 RelocSection.getName(Name);
6412 Addend = Addr - SectionAddr;
6416 // Go back one so that SymbolAddress <= Addr.
6419 section_iterator SymSection = *Sym->second.getSection();
6420 if (RelocSection == *SymSection) {
6421 // There's a valid symbol in the same section before this reference.
6422 ErrorOr<StringRef> NameOrErr = Sym->second.getName();
6423 if (std::error_code EC = NameOrErr.getError())
6424 report_fatal_error(EC.message());
6426 Addend = Addr - Sym->first;
6430 // There is a symbol before this reference, but it's in a different
6431 // section. Probably not helpful to mention it, so use the section name.
6432 RelocSection.getName(Name);
6433 Addend = Addr - SectionAddr;
6436 static void printUnwindRelocDest(const MachOObjectFile *Obj,
6437 std::map<uint64_t, SymbolRef> &Symbols,
6438 const RelocationRef &Reloc, uint64_t Addr) {
6442 if (!Reloc.getObject())
6445 findUnwindRelocNameAddend(Obj, Symbols, Reloc, Addr, Name, Addend);
6449 outs() << " + " << format("0x%" PRIx64, Addend);
6453 printMachOCompactUnwindSection(const MachOObjectFile *Obj,
6454 std::map<uint64_t, SymbolRef> &Symbols,
6455 const SectionRef &CompactUnwind) {
6457 assert(Obj->isLittleEndian() &&
6458 "There should not be a big-endian .o with __compact_unwind");
6460 bool Is64 = Obj->is64Bit();
6461 uint32_t PointerSize = Is64 ? sizeof(uint64_t) : sizeof(uint32_t);
6462 uint32_t EntrySize = 3 * PointerSize + 2 * sizeof(uint32_t);
6465 CompactUnwind.getContents(Contents);
6467 SmallVector<CompactUnwindEntry, 4> CompactUnwinds;
6469 // First populate the initial raw offsets, encodings and so on from the entry.
6470 for (unsigned Offset = 0; Offset < Contents.size(); Offset += EntrySize) {
6471 CompactUnwindEntry Entry(Contents.data(), Offset, Is64);
6472 CompactUnwinds.push_back(Entry);
6475 // Next we need to look at the relocations to find out what objects are
6476 // actually being referred to.
6477 for (const RelocationRef &Reloc : CompactUnwind.relocations()) {
6478 uint64_t RelocAddress = Reloc.getOffset();
6480 uint32_t EntryIdx = RelocAddress / EntrySize;
6481 uint32_t OffsetInEntry = RelocAddress - EntryIdx * EntrySize;
6482 CompactUnwindEntry &Entry = CompactUnwinds[EntryIdx];
6484 if (OffsetInEntry == 0)
6485 Entry.FunctionReloc = Reloc;
6486 else if (OffsetInEntry == PointerSize + 2 * sizeof(uint32_t))
6487 Entry.PersonalityReloc = Reloc;
6488 else if (OffsetInEntry == 2 * PointerSize + 2 * sizeof(uint32_t))
6489 Entry.LSDAReloc = Reloc;
6491 llvm_unreachable("Unexpected relocation in __compact_unwind section");
6494 // Finally, we're ready to print the data we've gathered.
6495 outs() << "Contents of __compact_unwind section:\n";
6496 for (auto &Entry : CompactUnwinds) {
6497 outs() << " Entry at offset "
6498 << format("0x%" PRIx32, Entry.OffsetInSection) << ":\n";
6500 // 1. Start of the region this entry applies to.
6501 outs() << " start: " << format("0x%" PRIx64,
6502 Entry.FunctionAddr) << ' ';
6503 printUnwindRelocDest(Obj, Symbols, Entry.FunctionReloc, Entry.FunctionAddr);
6506 // 2. Length of the region this entry applies to.
6507 outs() << " length: " << format("0x%" PRIx32, Entry.Length)
6509 // 3. The 32-bit compact encoding.
6510 outs() << " compact encoding: "
6511 << format("0x%08" PRIx32, Entry.CompactEncoding) << '\n';
6513 // 4. The personality function, if present.
6514 if (Entry.PersonalityReloc.getObject()) {
6515 outs() << " personality function: "
6516 << format("0x%" PRIx64, Entry.PersonalityAddr) << ' ';
6517 printUnwindRelocDest(Obj, Symbols, Entry.PersonalityReloc,
6518 Entry.PersonalityAddr);
6522 // 5. This entry's language-specific data area.
6523 if (Entry.LSDAReloc.getObject()) {
6524 outs() << " LSDA: " << format("0x%" PRIx64,
6525 Entry.LSDAAddr) << ' ';
6526 printUnwindRelocDest(Obj, Symbols, Entry.LSDAReloc, Entry.LSDAAddr);
6532 //===----------------------------------------------------------------------===//
6533 // __unwind_info section dumping
6534 //===----------------------------------------------------------------------===//
6536 static void printRegularSecondLevelUnwindPage(const char *PageStart) {
6537 const char *Pos = PageStart;
6538 uint32_t Kind = readNext<uint32_t>(Pos);
6540 assert(Kind == 2 && "kind for a regular 2nd level index should be 2");
6542 uint16_t EntriesStart = readNext<uint16_t>(Pos);
6543 uint16_t NumEntries = readNext<uint16_t>(Pos);
6545 Pos = PageStart + EntriesStart;
6546 for (unsigned i = 0; i < NumEntries; ++i) {
6547 uint32_t FunctionOffset = readNext<uint32_t>(Pos);
6548 uint32_t Encoding = readNext<uint32_t>(Pos);
6550 outs() << " [" << i << "]: "
6551 << "function offset=" << format("0x%08" PRIx32, FunctionOffset)
6553 << "encoding=" << format("0x%08" PRIx32, Encoding) << '\n';
6557 static void printCompressedSecondLevelUnwindPage(
6558 const char *PageStart, uint32_t FunctionBase,
6559 const SmallVectorImpl<uint32_t> &CommonEncodings) {
6560 const char *Pos = PageStart;
6561 uint32_t Kind = readNext<uint32_t>(Pos);
6563 assert(Kind == 3 && "kind for a compressed 2nd level index should be 3");
6565 uint16_t EntriesStart = readNext<uint16_t>(Pos);
6566 uint16_t NumEntries = readNext<uint16_t>(Pos);
6568 uint16_t EncodingsStart = readNext<uint16_t>(Pos);
6569 readNext<uint16_t>(Pos);
6570 const auto *PageEncodings = reinterpret_cast<const support::ulittle32_t *>(
6571 PageStart + EncodingsStart);
6573 Pos = PageStart + EntriesStart;
6574 for (unsigned i = 0; i < NumEntries; ++i) {
6575 uint32_t Entry = readNext<uint32_t>(Pos);
6576 uint32_t FunctionOffset = FunctionBase + (Entry & 0xffffff);
6577 uint32_t EncodingIdx = Entry >> 24;
6580 if (EncodingIdx < CommonEncodings.size())
6581 Encoding = CommonEncodings[EncodingIdx];
6583 Encoding = PageEncodings[EncodingIdx - CommonEncodings.size()];
6585 outs() << " [" << i << "]: "
6586 << "function offset=" << format("0x%08" PRIx32, FunctionOffset)
6588 << "encoding[" << EncodingIdx
6589 << "]=" << format("0x%08" PRIx32, Encoding) << '\n';
6593 static void printMachOUnwindInfoSection(const MachOObjectFile *Obj,
6594 std::map<uint64_t, SymbolRef> &Symbols,
6595 const SectionRef &UnwindInfo) {
6597 assert(Obj->isLittleEndian() &&
6598 "There should not be a big-endian .o with __unwind_info");
6600 outs() << "Contents of __unwind_info section:\n";
6603 UnwindInfo.getContents(Contents);
6604 const char *Pos = Contents.data();
6606 //===----------------------------------
6608 //===----------------------------------
6610 uint32_t Version = readNext<uint32_t>(Pos);
6611 outs() << " Version: "
6612 << format("0x%" PRIx32, Version) << '\n';
6613 assert(Version == 1 && "only understand version 1");
6615 uint32_t CommonEncodingsStart = readNext<uint32_t>(Pos);
6616 outs() << " Common encodings array section offset: "
6617 << format("0x%" PRIx32, CommonEncodingsStart) << '\n';
6618 uint32_t NumCommonEncodings = readNext<uint32_t>(Pos);
6619 outs() << " Number of common encodings in array: "
6620 << format("0x%" PRIx32, NumCommonEncodings) << '\n';
6622 uint32_t PersonalitiesStart = readNext<uint32_t>(Pos);
6623 outs() << " Personality function array section offset: "
6624 << format("0x%" PRIx32, PersonalitiesStart) << '\n';
6625 uint32_t NumPersonalities = readNext<uint32_t>(Pos);
6626 outs() << " Number of personality functions in array: "
6627 << format("0x%" PRIx32, NumPersonalities) << '\n';
6629 uint32_t IndicesStart = readNext<uint32_t>(Pos);
6630 outs() << " Index array section offset: "
6631 << format("0x%" PRIx32, IndicesStart) << '\n';
6632 uint32_t NumIndices = readNext<uint32_t>(Pos);
6633 outs() << " Number of indices in array: "
6634 << format("0x%" PRIx32, NumIndices) << '\n';
6636 //===----------------------------------
6637 // A shared list of common encodings
6638 //===----------------------------------
6640 // These occupy indices in the range [0, N] whenever an encoding is referenced
6641 // from a compressed 2nd level index table. In practice the linker only
6642 // creates ~128 of these, so that indices are available to embed encodings in
6643 // the 2nd level index.
6645 SmallVector<uint32_t, 64> CommonEncodings;
6646 outs() << " Common encodings: (count = " << NumCommonEncodings << ")\n";
6647 Pos = Contents.data() + CommonEncodingsStart;
6648 for (unsigned i = 0; i < NumCommonEncodings; ++i) {
6649 uint32_t Encoding = readNext<uint32_t>(Pos);
6650 CommonEncodings.push_back(Encoding);
6652 outs() << " encoding[" << i << "]: " << format("0x%08" PRIx32, Encoding)
6656 //===----------------------------------
6657 // Personality functions used in this executable
6658 //===----------------------------------
6660 // There should be only a handful of these (one per source language,
6661 // roughly). Particularly since they only get 2 bits in the compact encoding.
6663 outs() << " Personality functions: (count = " << NumPersonalities << ")\n";
6664 Pos = Contents.data() + PersonalitiesStart;
6665 for (unsigned i = 0; i < NumPersonalities; ++i) {
6666 uint32_t PersonalityFn = readNext<uint32_t>(Pos);
6667 outs() << " personality[" << i + 1
6668 << "]: " << format("0x%08" PRIx32, PersonalityFn) << '\n';
6671 //===----------------------------------
6672 // The level 1 index entries
6673 //===----------------------------------
6675 // These specify an approximate place to start searching for the more detailed
6676 // information, sorted by PC.
6679 uint32_t FunctionOffset;
6680 uint32_t SecondLevelPageStart;
6684 SmallVector<IndexEntry, 4> IndexEntries;
6686 outs() << " Top level indices: (count = " << NumIndices << ")\n";
6687 Pos = Contents.data() + IndicesStart;
6688 for (unsigned i = 0; i < NumIndices; ++i) {
6691 Entry.FunctionOffset = readNext<uint32_t>(Pos);
6692 Entry.SecondLevelPageStart = readNext<uint32_t>(Pos);
6693 Entry.LSDAStart = readNext<uint32_t>(Pos);
6694 IndexEntries.push_back(Entry);
6696 outs() << " [" << i << "]: "
6697 << "function offset=" << format("0x%08" PRIx32, Entry.FunctionOffset)
6699 << "2nd level page offset="
6700 << format("0x%08" PRIx32, Entry.SecondLevelPageStart) << ", "
6701 << "LSDA offset=" << format("0x%08" PRIx32, Entry.LSDAStart) << '\n';
6704 //===----------------------------------
6705 // Next come the LSDA tables
6706 //===----------------------------------
6708 // The LSDA layout is rather implicit: it's a contiguous array of entries from
6709 // the first top-level index's LSDAOffset to the last (sentinel).
6711 outs() << " LSDA descriptors:\n";
6712 Pos = Contents.data() + IndexEntries[0].LSDAStart;
6713 int NumLSDAs = (IndexEntries.back().LSDAStart - IndexEntries[0].LSDAStart) /
6714 (2 * sizeof(uint32_t));
6715 for (int i = 0; i < NumLSDAs; ++i) {
6716 uint32_t FunctionOffset = readNext<uint32_t>(Pos);
6717 uint32_t LSDAOffset = readNext<uint32_t>(Pos);
6718 outs() << " [" << i << "]: "
6719 << "function offset=" << format("0x%08" PRIx32, FunctionOffset)
6721 << "LSDA offset=" << format("0x%08" PRIx32, LSDAOffset) << '\n';
6724 //===----------------------------------
6725 // Finally, the 2nd level indices
6726 //===----------------------------------
6728 // Generally these are 4K in size, and have 2 possible forms:
6729 // + Regular stores up to 511 entries with disparate encodings
6730 // + Compressed stores up to 1021 entries if few enough compact encoding
6732 outs() << " Second level indices:\n";
6733 for (unsigned i = 0; i < IndexEntries.size() - 1; ++i) {
6734 // The final sentinel top-level index has no associated 2nd level page
6735 if (IndexEntries[i].SecondLevelPageStart == 0)
6738 outs() << " Second level index[" << i << "]: "
6739 << "offset in section="
6740 << format("0x%08" PRIx32, IndexEntries[i].SecondLevelPageStart)
6742 << "base function offset="
6743 << format("0x%08" PRIx32, IndexEntries[i].FunctionOffset) << '\n';
6745 Pos = Contents.data() + IndexEntries[i].SecondLevelPageStart;
6746 uint32_t Kind = *reinterpret_cast<const support::ulittle32_t *>(Pos);
6748 printRegularSecondLevelUnwindPage(Pos);
6750 printCompressedSecondLevelUnwindPage(Pos, IndexEntries[i].FunctionOffset,
6753 llvm_unreachable("Do not know how to print this kind of 2nd level page");
6757 void llvm::printMachOUnwindInfo(const MachOObjectFile *Obj) {
6758 std::map<uint64_t, SymbolRef> Symbols;
6759 for (const SymbolRef &SymRef : Obj->symbols()) {
6760 // Discard any undefined or absolute symbols. They're not going to take part
6761 // in the convenience lookup for unwind info and just take up resources.
6762 section_iterator Section = *SymRef.getSection();
6763 if (Section == Obj->section_end())
6766 uint64_t Addr = SymRef.getValue();
6767 Symbols.insert(std::make_pair(Addr, SymRef));
6770 for (const SectionRef &Section : Obj->sections()) {
6772 Section.getName(SectName);
6773 if (SectName == "__compact_unwind")
6774 printMachOCompactUnwindSection(Obj, Symbols, Section);
6775 else if (SectName == "__unwind_info")
6776 printMachOUnwindInfoSection(Obj, Symbols, Section);
6780 static void PrintMachHeader(uint32_t magic, uint32_t cputype,
6781 uint32_t cpusubtype, uint32_t filetype,
6782 uint32_t ncmds, uint32_t sizeofcmds, uint32_t flags,
6784 outs() << "Mach header\n";
6785 outs() << " magic cputype cpusubtype caps filetype ncmds "
6786 "sizeofcmds flags\n";
6788 if (magic == MachO::MH_MAGIC)
6789 outs() << " MH_MAGIC";
6790 else if (magic == MachO::MH_MAGIC_64)
6791 outs() << "MH_MAGIC_64";
6793 outs() << format(" 0x%08" PRIx32, magic);
6795 case MachO::CPU_TYPE_I386:
6797 switch (cpusubtype & ~MachO::CPU_SUBTYPE_MASK) {
6798 case MachO::CPU_SUBTYPE_I386_ALL:
6802 outs() << format(" %10d", cpusubtype & ~MachO::CPU_SUBTYPE_MASK);
6806 case MachO::CPU_TYPE_X86_64:
6807 outs() << " X86_64";
6808 switch (cpusubtype & ~MachO::CPU_SUBTYPE_MASK) {
6809 case MachO::CPU_SUBTYPE_X86_64_ALL:
6812 case MachO::CPU_SUBTYPE_X86_64_H:
6813 outs() << " Haswell";
6816 outs() << format(" %10d", cpusubtype & ~MachO::CPU_SUBTYPE_MASK);
6820 case MachO::CPU_TYPE_ARM:
6822 switch (cpusubtype & ~MachO::CPU_SUBTYPE_MASK) {
6823 case MachO::CPU_SUBTYPE_ARM_ALL:
6826 case MachO::CPU_SUBTYPE_ARM_V4T:
6829 case MachO::CPU_SUBTYPE_ARM_V5TEJ:
6832 case MachO::CPU_SUBTYPE_ARM_XSCALE:
6833 outs() << " XSCALE";
6835 case MachO::CPU_SUBTYPE_ARM_V6:
6838 case MachO::CPU_SUBTYPE_ARM_V6M:
6841 case MachO::CPU_SUBTYPE_ARM_V7:
6844 case MachO::CPU_SUBTYPE_ARM_V7EM:
6847 case MachO::CPU_SUBTYPE_ARM_V7K:
6850 case MachO::CPU_SUBTYPE_ARM_V7M:
6853 case MachO::CPU_SUBTYPE_ARM_V7S:
6857 outs() << format(" %10d", cpusubtype & ~MachO::CPU_SUBTYPE_MASK);
6861 case MachO::CPU_TYPE_ARM64:
6863 switch (cpusubtype & ~MachO::CPU_SUBTYPE_MASK) {
6864 case MachO::CPU_SUBTYPE_ARM64_ALL:
6868 outs() << format(" %10d", cpusubtype & ~MachO::CPU_SUBTYPE_MASK);
6872 case MachO::CPU_TYPE_POWERPC:
6874 switch (cpusubtype & ~MachO::CPU_SUBTYPE_MASK) {
6875 case MachO::CPU_SUBTYPE_POWERPC_ALL:
6879 outs() << format(" %10d", cpusubtype & ~MachO::CPU_SUBTYPE_MASK);
6883 case MachO::CPU_TYPE_POWERPC64:
6885 switch (cpusubtype & ~MachO::CPU_SUBTYPE_MASK) {
6886 case MachO::CPU_SUBTYPE_POWERPC_ALL:
6890 outs() << format(" %10d", cpusubtype & ~MachO::CPU_SUBTYPE_MASK);
6895 if ((cpusubtype & MachO::CPU_SUBTYPE_MASK) == MachO::CPU_SUBTYPE_LIB64) {
6898 outs() << format(" 0x%02" PRIx32,
6899 (cpusubtype & MachO::CPU_SUBTYPE_MASK) >> 24);
6902 case MachO::MH_OBJECT:
6903 outs() << " OBJECT";
6905 case MachO::MH_EXECUTE:
6906 outs() << " EXECUTE";
6908 case MachO::MH_FVMLIB:
6909 outs() << " FVMLIB";
6911 case MachO::MH_CORE:
6914 case MachO::MH_PRELOAD:
6915 outs() << " PRELOAD";
6917 case MachO::MH_DYLIB:
6920 case MachO::MH_DYLIB_STUB:
6921 outs() << " DYLIB_STUB";
6923 case MachO::MH_DYLINKER:
6924 outs() << " DYLINKER";
6926 case MachO::MH_BUNDLE:
6927 outs() << " BUNDLE";
6929 case MachO::MH_DSYM:
6932 case MachO::MH_KEXT_BUNDLE:
6933 outs() << " KEXTBUNDLE";
6936 outs() << format(" %10u", filetype);
6939 outs() << format(" %5u", ncmds);
6940 outs() << format(" %10u", sizeofcmds);
6942 if (f & MachO::MH_NOUNDEFS) {
6943 outs() << " NOUNDEFS";
6944 f &= ~MachO::MH_NOUNDEFS;
6946 if (f & MachO::MH_INCRLINK) {
6947 outs() << " INCRLINK";
6948 f &= ~MachO::MH_INCRLINK;
6950 if (f & MachO::MH_DYLDLINK) {
6951 outs() << " DYLDLINK";
6952 f &= ~MachO::MH_DYLDLINK;
6954 if (f & MachO::MH_BINDATLOAD) {
6955 outs() << " BINDATLOAD";
6956 f &= ~MachO::MH_BINDATLOAD;
6958 if (f & MachO::MH_PREBOUND) {
6959 outs() << " PREBOUND";
6960 f &= ~MachO::MH_PREBOUND;
6962 if (f & MachO::MH_SPLIT_SEGS) {
6963 outs() << " SPLIT_SEGS";
6964 f &= ~MachO::MH_SPLIT_SEGS;
6966 if (f & MachO::MH_LAZY_INIT) {
6967 outs() << " LAZY_INIT";
6968 f &= ~MachO::MH_LAZY_INIT;
6970 if (f & MachO::MH_TWOLEVEL) {
6971 outs() << " TWOLEVEL";
6972 f &= ~MachO::MH_TWOLEVEL;
6974 if (f & MachO::MH_FORCE_FLAT) {
6975 outs() << " FORCE_FLAT";
6976 f &= ~MachO::MH_FORCE_FLAT;
6978 if (f & MachO::MH_NOMULTIDEFS) {
6979 outs() << " NOMULTIDEFS";
6980 f &= ~MachO::MH_NOMULTIDEFS;
6982 if (f & MachO::MH_NOFIXPREBINDING) {
6983 outs() << " NOFIXPREBINDING";
6984 f &= ~MachO::MH_NOFIXPREBINDING;
6986 if (f & MachO::MH_PREBINDABLE) {
6987 outs() << " PREBINDABLE";
6988 f &= ~MachO::MH_PREBINDABLE;
6990 if (f & MachO::MH_ALLMODSBOUND) {
6991 outs() << " ALLMODSBOUND";
6992 f &= ~MachO::MH_ALLMODSBOUND;
6994 if (f & MachO::MH_SUBSECTIONS_VIA_SYMBOLS) {
6995 outs() << " SUBSECTIONS_VIA_SYMBOLS";
6996 f &= ~MachO::MH_SUBSECTIONS_VIA_SYMBOLS;
6998 if (f & MachO::MH_CANONICAL) {
6999 outs() << " CANONICAL";
7000 f &= ~MachO::MH_CANONICAL;
7002 if (f & MachO::MH_WEAK_DEFINES) {
7003 outs() << " WEAK_DEFINES";
7004 f &= ~MachO::MH_WEAK_DEFINES;
7006 if (f & MachO::MH_BINDS_TO_WEAK) {
7007 outs() << " BINDS_TO_WEAK";
7008 f &= ~MachO::MH_BINDS_TO_WEAK;
7010 if (f & MachO::MH_ALLOW_STACK_EXECUTION) {
7011 outs() << " ALLOW_STACK_EXECUTION";
7012 f &= ~MachO::MH_ALLOW_STACK_EXECUTION;
7014 if (f & MachO::MH_DEAD_STRIPPABLE_DYLIB) {
7015 outs() << " DEAD_STRIPPABLE_DYLIB";
7016 f &= ~MachO::MH_DEAD_STRIPPABLE_DYLIB;
7018 if (f & MachO::MH_PIE) {
7020 f &= ~MachO::MH_PIE;
7022 if (f & MachO::MH_NO_REEXPORTED_DYLIBS) {
7023 outs() << " NO_REEXPORTED_DYLIBS";
7024 f &= ~MachO::MH_NO_REEXPORTED_DYLIBS;
7026 if (f & MachO::MH_HAS_TLV_DESCRIPTORS) {
7027 outs() << " MH_HAS_TLV_DESCRIPTORS";
7028 f &= ~MachO::MH_HAS_TLV_DESCRIPTORS;
7030 if (f & MachO::MH_NO_HEAP_EXECUTION) {
7031 outs() << " MH_NO_HEAP_EXECUTION";
7032 f &= ~MachO::MH_NO_HEAP_EXECUTION;
7034 if (f & MachO::MH_APP_EXTENSION_SAFE) {
7035 outs() << " APP_EXTENSION_SAFE";
7036 f &= ~MachO::MH_APP_EXTENSION_SAFE;
7038 if (f != 0 || flags == 0)
7039 outs() << format(" 0x%08" PRIx32, f);
7041 outs() << format(" 0x%08" PRIx32, magic);
7042 outs() << format(" %7d", cputype);
7043 outs() << format(" %10d", cpusubtype & ~MachO::CPU_SUBTYPE_MASK);
7044 outs() << format(" 0x%02" PRIx32,
7045 (cpusubtype & MachO::CPU_SUBTYPE_MASK) >> 24);
7046 outs() << format(" %10u", filetype);
7047 outs() << format(" %5u", ncmds);
7048 outs() << format(" %10u", sizeofcmds);
7049 outs() << format(" 0x%08" PRIx32, flags);
7054 static void PrintSegmentCommand(uint32_t cmd, uint32_t cmdsize,
7055 StringRef SegName, uint64_t vmaddr,
7056 uint64_t vmsize, uint64_t fileoff,
7057 uint64_t filesize, uint32_t maxprot,
7058 uint32_t initprot, uint32_t nsects,
7059 uint32_t flags, uint32_t object_size,
7061 uint64_t expected_cmdsize;
7062 if (cmd == MachO::LC_SEGMENT) {
7063 outs() << " cmd LC_SEGMENT\n";
7064 expected_cmdsize = nsects;
7065 expected_cmdsize *= sizeof(struct MachO::section);
7066 expected_cmdsize += sizeof(struct MachO::segment_command);
7068 outs() << " cmd LC_SEGMENT_64\n";
7069 expected_cmdsize = nsects;
7070 expected_cmdsize *= sizeof(struct MachO::section_64);
7071 expected_cmdsize += sizeof(struct MachO::segment_command_64);
7073 outs() << " cmdsize " << cmdsize;
7074 if (cmdsize != expected_cmdsize)
7075 outs() << " Inconsistent size\n";
7078 outs() << " segname " << SegName << "\n";
7079 if (cmd == MachO::LC_SEGMENT_64) {
7080 outs() << " vmaddr " << format("0x%016" PRIx64, vmaddr) << "\n";
7081 outs() << " vmsize " << format("0x%016" PRIx64, vmsize) << "\n";
7083 outs() << " vmaddr " << format("0x%08" PRIx64, vmaddr) << "\n";
7084 outs() << " vmsize " << format("0x%08" PRIx64, vmsize) << "\n";
7086 outs() << " fileoff " << fileoff;
7087 if (fileoff > object_size)
7088 outs() << " (past end of file)\n";
7091 outs() << " filesize " << filesize;
7092 if (fileoff + filesize > object_size)
7093 outs() << " (past end of file)\n";
7098 ~(MachO::VM_PROT_READ | MachO::VM_PROT_WRITE |
7099 MachO::VM_PROT_EXECUTE)) != 0)
7100 outs() << " maxprot ?" << format("0x%08" PRIx32, maxprot) << "\n";
7102 outs() << " maxprot ";
7103 outs() << ((maxprot & MachO::VM_PROT_READ) ? "r" : "-");
7104 outs() << ((maxprot & MachO::VM_PROT_WRITE) ? "w" : "-");
7105 outs() << ((maxprot & MachO::VM_PROT_EXECUTE) ? "x\n" : "-\n");
7108 ~(MachO::VM_PROT_READ | MachO::VM_PROT_WRITE |
7109 MachO::VM_PROT_EXECUTE)) != 0)
7110 outs() << " initprot ?" << format("0x%08" PRIx32, initprot) << "\n";
7112 outs() << " initprot ";
7113 outs() << ((initprot & MachO::VM_PROT_READ) ? "r" : "-");
7114 outs() << ((initprot & MachO::VM_PROT_WRITE) ? "w" : "-");
7115 outs() << ((initprot & MachO::VM_PROT_EXECUTE) ? "x\n" : "-\n");
7118 outs() << " maxprot " << format("0x%08" PRIx32, maxprot) << "\n";
7119 outs() << " initprot " << format("0x%08" PRIx32, initprot) << "\n";
7121 outs() << " nsects " << nsects << "\n";
7125 outs() << " (none)\n";
7127 if (flags & MachO::SG_HIGHVM) {
7128 outs() << " HIGHVM";
7129 flags &= ~MachO::SG_HIGHVM;
7131 if (flags & MachO::SG_FVMLIB) {
7132 outs() << " FVMLIB";
7133 flags &= ~MachO::SG_FVMLIB;
7135 if (flags & MachO::SG_NORELOC) {
7136 outs() << " NORELOC";
7137 flags &= ~MachO::SG_NORELOC;
7139 if (flags & MachO::SG_PROTECTED_VERSION_1) {
7140 outs() << " PROTECTED_VERSION_1";
7141 flags &= ~MachO::SG_PROTECTED_VERSION_1;
7144 outs() << format(" 0x%08" PRIx32, flags) << " (unknown flags)\n";
7149 outs() << " flags " << format("0x%" PRIx32, flags) << "\n";
7153 static void PrintSection(const char *sectname, const char *segname,
7154 uint64_t addr, uint64_t size, uint32_t offset,
7155 uint32_t align, uint32_t reloff, uint32_t nreloc,
7156 uint32_t flags, uint32_t reserved1, uint32_t reserved2,
7157 uint32_t cmd, const char *sg_segname,
7158 uint32_t filetype, uint32_t object_size,
7160 outs() << "Section\n";
7161 outs() << " sectname " << format("%.16s\n", sectname);
7162 outs() << " segname " << format("%.16s", segname);
7163 if (filetype != MachO::MH_OBJECT && strncmp(sg_segname, segname, 16) != 0)
7164 outs() << " (does not match segment)\n";
7167 if (cmd == MachO::LC_SEGMENT_64) {
7168 outs() << " addr " << format("0x%016" PRIx64, addr) << "\n";
7169 outs() << " size " << format("0x%016" PRIx64, size);
7171 outs() << " addr " << format("0x%08" PRIx64, addr) << "\n";
7172 outs() << " size " << format("0x%08" PRIx64, size);
7174 if ((flags & MachO::S_ZEROFILL) != 0 && offset + size > object_size)
7175 outs() << " (past end of file)\n";
7178 outs() << " offset " << offset;
7179 if (offset > object_size)
7180 outs() << " (past end of file)\n";
7183 uint32_t align_shifted = 1 << align;
7184 outs() << " align 2^" << align << " (" << align_shifted << ")\n";
7185 outs() << " reloff " << reloff;
7186 if (reloff > object_size)
7187 outs() << " (past end of file)\n";
7190 outs() << " nreloc " << nreloc;
7191 if (reloff + nreloc * sizeof(struct MachO::relocation_info) > object_size)
7192 outs() << " (past end of file)\n";
7195 uint32_t section_type = flags & MachO::SECTION_TYPE;
7198 if (section_type == MachO::S_REGULAR)
7199 outs() << " S_REGULAR\n";
7200 else if (section_type == MachO::S_ZEROFILL)
7201 outs() << " S_ZEROFILL\n";
7202 else if (section_type == MachO::S_CSTRING_LITERALS)
7203 outs() << " S_CSTRING_LITERALS\n";
7204 else if (section_type == MachO::S_4BYTE_LITERALS)
7205 outs() << " S_4BYTE_LITERALS\n";
7206 else if (section_type == MachO::S_8BYTE_LITERALS)
7207 outs() << " S_8BYTE_LITERALS\n";
7208 else if (section_type == MachO::S_16BYTE_LITERALS)
7209 outs() << " S_16BYTE_LITERALS\n";
7210 else if (section_type == MachO::S_LITERAL_POINTERS)
7211 outs() << " S_LITERAL_POINTERS\n";
7212 else if (section_type == MachO::S_NON_LAZY_SYMBOL_POINTERS)
7213 outs() << " S_NON_LAZY_SYMBOL_POINTERS\n";
7214 else if (section_type == MachO::S_LAZY_SYMBOL_POINTERS)
7215 outs() << " S_LAZY_SYMBOL_POINTERS\n";
7216 else if (section_type == MachO::S_SYMBOL_STUBS)
7217 outs() << " S_SYMBOL_STUBS\n";
7218 else if (section_type == MachO::S_MOD_INIT_FUNC_POINTERS)
7219 outs() << " S_MOD_INIT_FUNC_POINTERS\n";
7220 else if (section_type == MachO::S_MOD_TERM_FUNC_POINTERS)
7221 outs() << " S_MOD_TERM_FUNC_POINTERS\n";
7222 else if (section_type == MachO::S_COALESCED)
7223 outs() << " S_COALESCED\n";
7224 else if (section_type == MachO::S_INTERPOSING)
7225 outs() << " S_INTERPOSING\n";
7226 else if (section_type == MachO::S_DTRACE_DOF)
7227 outs() << " S_DTRACE_DOF\n";
7228 else if (section_type == MachO::S_LAZY_DYLIB_SYMBOL_POINTERS)
7229 outs() << " S_LAZY_DYLIB_SYMBOL_POINTERS\n";
7230 else if (section_type == MachO::S_THREAD_LOCAL_REGULAR)
7231 outs() << " S_THREAD_LOCAL_REGULAR\n";
7232 else if (section_type == MachO::S_THREAD_LOCAL_ZEROFILL)
7233 outs() << " S_THREAD_LOCAL_ZEROFILL\n";
7234 else if (section_type == MachO::S_THREAD_LOCAL_VARIABLES)
7235 outs() << " S_THREAD_LOCAL_VARIABLES\n";
7236 else if (section_type == MachO::S_THREAD_LOCAL_VARIABLE_POINTERS)
7237 outs() << " S_THREAD_LOCAL_VARIABLE_POINTERS\n";
7238 else if (section_type == MachO::S_THREAD_LOCAL_INIT_FUNCTION_POINTERS)
7239 outs() << " S_THREAD_LOCAL_INIT_FUNCTION_POINTERS\n";
7241 outs() << format("0x%08" PRIx32, section_type) << "\n";
7242 outs() << "attributes";
7243 uint32_t section_attributes = flags & MachO::SECTION_ATTRIBUTES;
7244 if (section_attributes & MachO::S_ATTR_PURE_INSTRUCTIONS)
7245 outs() << " PURE_INSTRUCTIONS";
7246 if (section_attributes & MachO::S_ATTR_NO_TOC)
7247 outs() << " NO_TOC";
7248 if (section_attributes & MachO::S_ATTR_STRIP_STATIC_SYMS)
7249 outs() << " STRIP_STATIC_SYMS";
7250 if (section_attributes & MachO::S_ATTR_NO_DEAD_STRIP)
7251 outs() << " NO_DEAD_STRIP";
7252 if (section_attributes & MachO::S_ATTR_LIVE_SUPPORT)
7253 outs() << " LIVE_SUPPORT";
7254 if (section_attributes & MachO::S_ATTR_SELF_MODIFYING_CODE)
7255 outs() << " SELF_MODIFYING_CODE";
7256 if (section_attributes & MachO::S_ATTR_DEBUG)
7258 if (section_attributes & MachO::S_ATTR_SOME_INSTRUCTIONS)
7259 outs() << " SOME_INSTRUCTIONS";
7260 if (section_attributes & MachO::S_ATTR_EXT_RELOC)
7261 outs() << " EXT_RELOC";
7262 if (section_attributes & MachO::S_ATTR_LOC_RELOC)
7263 outs() << " LOC_RELOC";
7264 if (section_attributes == 0)
7265 outs() << " (none)";
7268 outs() << " flags " << format("0x%08" PRIx32, flags) << "\n";
7269 outs() << " reserved1 " << reserved1;
7270 if (section_type == MachO::S_SYMBOL_STUBS ||
7271 section_type == MachO::S_LAZY_SYMBOL_POINTERS ||
7272 section_type == MachO::S_LAZY_DYLIB_SYMBOL_POINTERS ||
7273 section_type == MachO::S_NON_LAZY_SYMBOL_POINTERS ||
7274 section_type == MachO::S_THREAD_LOCAL_VARIABLE_POINTERS)
7275 outs() << " (index into indirect symbol table)\n";
7278 outs() << " reserved2 " << reserved2;
7279 if (section_type == MachO::S_SYMBOL_STUBS)
7280 outs() << " (size of stubs)\n";
7285 static void PrintSymtabLoadCommand(MachO::symtab_command st, bool Is64Bit,
7286 uint32_t object_size) {
7287 outs() << " cmd LC_SYMTAB\n";
7288 outs() << " cmdsize " << st.cmdsize;
7289 if (st.cmdsize != sizeof(struct MachO::symtab_command))
7290 outs() << " Incorrect size\n";
7293 outs() << " symoff " << st.symoff;
7294 if (st.symoff > object_size)
7295 outs() << " (past end of file)\n";
7298 outs() << " nsyms " << st.nsyms;
7301 big_size = st.nsyms;
7302 big_size *= sizeof(struct MachO::nlist_64);
7303 big_size += st.symoff;
7304 if (big_size > object_size)
7305 outs() << " (past end of file)\n";
7309 big_size = st.nsyms;
7310 big_size *= sizeof(struct MachO::nlist);
7311 big_size += st.symoff;
7312 if (big_size > object_size)
7313 outs() << " (past end of file)\n";
7317 outs() << " stroff " << st.stroff;
7318 if (st.stroff > object_size)
7319 outs() << " (past end of file)\n";
7322 outs() << " strsize " << st.strsize;
7323 big_size = st.stroff;
7324 big_size += st.strsize;
7325 if (big_size > object_size)
7326 outs() << " (past end of file)\n";
7331 static void PrintDysymtabLoadCommand(MachO::dysymtab_command dyst,
7332 uint32_t nsyms, uint32_t object_size,
7334 outs() << " cmd LC_DYSYMTAB\n";
7335 outs() << " cmdsize " << dyst.cmdsize;
7336 if (dyst.cmdsize != sizeof(struct MachO::dysymtab_command))
7337 outs() << " Incorrect size\n";
7340 outs() << " ilocalsym " << dyst.ilocalsym;
7341 if (dyst.ilocalsym > nsyms)
7342 outs() << " (greater than the number of symbols)\n";
7345 outs() << " nlocalsym " << dyst.nlocalsym;
7347 big_size = dyst.ilocalsym;
7348 big_size += dyst.nlocalsym;
7349 if (big_size > nsyms)
7350 outs() << " (past the end of the symbol table)\n";
7353 outs() << " iextdefsym " << dyst.iextdefsym;
7354 if (dyst.iextdefsym > nsyms)
7355 outs() << " (greater than the number of symbols)\n";
7358 outs() << " nextdefsym " << dyst.nextdefsym;
7359 big_size = dyst.iextdefsym;
7360 big_size += dyst.nextdefsym;
7361 if (big_size > nsyms)
7362 outs() << " (past the end of the symbol table)\n";
7365 outs() << " iundefsym " << dyst.iundefsym;
7366 if (dyst.iundefsym > nsyms)
7367 outs() << " (greater than the number of symbols)\n";
7370 outs() << " nundefsym " << dyst.nundefsym;
7371 big_size = dyst.iundefsym;
7372 big_size += dyst.nundefsym;
7373 if (big_size > nsyms)
7374 outs() << " (past the end of the symbol table)\n";
7377 outs() << " tocoff " << dyst.tocoff;
7378 if (dyst.tocoff > object_size)
7379 outs() << " (past end of file)\n";
7382 outs() << " ntoc " << dyst.ntoc;
7383 big_size = dyst.ntoc;
7384 big_size *= sizeof(struct MachO::dylib_table_of_contents);
7385 big_size += dyst.tocoff;
7386 if (big_size > object_size)
7387 outs() << " (past end of file)\n";
7390 outs() << " modtaboff " << dyst.modtaboff;
7391 if (dyst.modtaboff > object_size)
7392 outs() << " (past end of file)\n";
7395 outs() << " nmodtab " << dyst.nmodtab;
7398 modtabend = dyst.nmodtab;
7399 modtabend *= sizeof(struct MachO::dylib_module_64);
7400 modtabend += dyst.modtaboff;
7402 modtabend = dyst.nmodtab;
7403 modtabend *= sizeof(struct MachO::dylib_module);
7404 modtabend += dyst.modtaboff;
7406 if (modtabend > object_size)
7407 outs() << " (past end of file)\n";
7410 outs() << " extrefsymoff " << dyst.extrefsymoff;
7411 if (dyst.extrefsymoff > object_size)
7412 outs() << " (past end of file)\n";
7415 outs() << " nextrefsyms " << dyst.nextrefsyms;
7416 big_size = dyst.nextrefsyms;
7417 big_size *= sizeof(struct MachO::dylib_reference);
7418 big_size += dyst.extrefsymoff;
7419 if (big_size > object_size)
7420 outs() << " (past end of file)\n";
7423 outs() << " indirectsymoff " << dyst.indirectsymoff;
7424 if (dyst.indirectsymoff > object_size)
7425 outs() << " (past end of file)\n";
7428 outs() << " nindirectsyms " << dyst.nindirectsyms;
7429 big_size = dyst.nindirectsyms;
7430 big_size *= sizeof(uint32_t);
7431 big_size += dyst.indirectsymoff;
7432 if (big_size > object_size)
7433 outs() << " (past end of file)\n";
7436 outs() << " extreloff " << dyst.extreloff;
7437 if (dyst.extreloff > object_size)
7438 outs() << " (past end of file)\n";
7441 outs() << " nextrel " << dyst.nextrel;
7442 big_size = dyst.nextrel;
7443 big_size *= sizeof(struct MachO::relocation_info);
7444 big_size += dyst.extreloff;
7445 if (big_size > object_size)
7446 outs() << " (past end of file)\n";
7449 outs() << " locreloff " << dyst.locreloff;
7450 if (dyst.locreloff > object_size)
7451 outs() << " (past end of file)\n";
7454 outs() << " nlocrel " << dyst.nlocrel;
7455 big_size = dyst.nlocrel;
7456 big_size *= sizeof(struct MachO::relocation_info);
7457 big_size += dyst.locreloff;
7458 if (big_size > object_size)
7459 outs() << " (past end of file)\n";
7464 static void PrintDyldInfoLoadCommand(MachO::dyld_info_command dc,
7465 uint32_t object_size) {
7466 if (dc.cmd == MachO::LC_DYLD_INFO)
7467 outs() << " cmd LC_DYLD_INFO\n";
7469 outs() << " cmd LC_DYLD_INFO_ONLY\n";
7470 outs() << " cmdsize " << dc.cmdsize;
7471 if (dc.cmdsize != sizeof(struct MachO::dyld_info_command))
7472 outs() << " Incorrect size\n";
7475 outs() << " rebase_off " << dc.rebase_off;
7476 if (dc.rebase_off > object_size)
7477 outs() << " (past end of file)\n";
7480 outs() << " rebase_size " << dc.rebase_size;
7482 big_size = dc.rebase_off;
7483 big_size += dc.rebase_size;
7484 if (big_size > object_size)
7485 outs() << " (past end of file)\n";
7488 outs() << " bind_off " << dc.bind_off;
7489 if (dc.bind_off > object_size)
7490 outs() << " (past end of file)\n";
7493 outs() << " bind_size " << dc.bind_size;
7494 big_size = dc.bind_off;
7495 big_size += dc.bind_size;
7496 if (big_size > object_size)
7497 outs() << " (past end of file)\n";
7500 outs() << " weak_bind_off " << dc.weak_bind_off;
7501 if (dc.weak_bind_off > object_size)
7502 outs() << " (past end of file)\n";
7505 outs() << " weak_bind_size " << dc.weak_bind_size;
7506 big_size = dc.weak_bind_off;
7507 big_size += dc.weak_bind_size;
7508 if (big_size > object_size)
7509 outs() << " (past end of file)\n";
7512 outs() << " lazy_bind_off " << dc.lazy_bind_off;
7513 if (dc.lazy_bind_off > object_size)
7514 outs() << " (past end of file)\n";
7517 outs() << " lazy_bind_size " << dc.lazy_bind_size;
7518 big_size = dc.lazy_bind_off;
7519 big_size += dc.lazy_bind_size;
7520 if (big_size > object_size)
7521 outs() << " (past end of file)\n";
7524 outs() << " export_off " << dc.export_off;
7525 if (dc.export_off > object_size)
7526 outs() << " (past end of file)\n";
7529 outs() << " export_size " << dc.export_size;
7530 big_size = dc.export_off;
7531 big_size += dc.export_size;
7532 if (big_size > object_size)
7533 outs() << " (past end of file)\n";
7538 static void PrintDyldLoadCommand(MachO::dylinker_command dyld,
7540 if (dyld.cmd == MachO::LC_ID_DYLINKER)
7541 outs() << " cmd LC_ID_DYLINKER\n";
7542 else if (dyld.cmd == MachO::LC_LOAD_DYLINKER)
7543 outs() << " cmd LC_LOAD_DYLINKER\n";
7544 else if (dyld.cmd == MachO::LC_DYLD_ENVIRONMENT)
7545 outs() << " cmd LC_DYLD_ENVIRONMENT\n";
7547 outs() << " cmd ?(" << dyld.cmd << ")\n";
7548 outs() << " cmdsize " << dyld.cmdsize;
7549 if (dyld.cmdsize < sizeof(struct MachO::dylinker_command))
7550 outs() << " Incorrect size\n";
7553 if (dyld.name >= dyld.cmdsize)
7554 outs() << " name ?(bad offset " << dyld.name << ")\n";
7556 const char *P = (const char *)(Ptr) + dyld.name;
7557 outs() << " name " << P << " (offset " << dyld.name << ")\n";
7561 static void PrintUuidLoadCommand(MachO::uuid_command uuid) {
7562 outs() << " cmd LC_UUID\n";
7563 outs() << " cmdsize " << uuid.cmdsize;
7564 if (uuid.cmdsize != sizeof(struct MachO::uuid_command))
7565 outs() << " Incorrect size\n";
7569 for (int i = 0; i < 16; ++i) {
7570 outs() << format("%02" PRIX32, uuid.uuid[i]);
7571 if (i == 3 || i == 5 || i == 7 || i == 9)
7577 static void PrintRpathLoadCommand(MachO::rpath_command rpath, const char *Ptr) {
7578 outs() << " cmd LC_RPATH\n";
7579 outs() << " cmdsize " << rpath.cmdsize;
7580 if (rpath.cmdsize < sizeof(struct MachO::rpath_command))
7581 outs() << " Incorrect size\n";
7584 if (rpath.path >= rpath.cmdsize)
7585 outs() << " path ?(bad offset " << rpath.path << ")\n";
7587 const char *P = (const char *)(Ptr) + rpath.path;
7588 outs() << " path " << P << " (offset " << rpath.path << ")\n";
7592 static void PrintVersionMinLoadCommand(MachO::version_min_command vd) {
7593 StringRef LoadCmdName;
7595 case MachO::LC_VERSION_MIN_MACOSX:
7596 LoadCmdName = "LC_VERSION_MIN_MACOSX";
7598 case MachO::LC_VERSION_MIN_IPHONEOS:
7599 LoadCmdName = "LC_VERSION_MIN_IPHONEOS";
7601 case MachO::LC_VERSION_MIN_TVOS:
7602 LoadCmdName = "LC_VERSION_MIN_TVOS";
7604 case MachO::LC_VERSION_MIN_WATCHOS:
7605 LoadCmdName = "LC_VERSION_MIN_WATCHOS";
7608 llvm_unreachable("Unknown version min load command");
7611 outs() << " cmd " << LoadCmdName << '\n';
7612 outs() << " cmdsize " << vd.cmdsize;
7613 if (vd.cmdsize != sizeof(struct MachO::version_min_command))
7614 outs() << " Incorrect size\n";
7617 outs() << " version "
7618 << MachOObjectFile::getVersionMinMajor(vd, false) << "."
7619 << MachOObjectFile::getVersionMinMinor(vd, false);
7620 uint32_t Update = MachOObjectFile::getVersionMinUpdate(vd, false);
7622 outs() << "." << Update;
7625 outs() << " sdk n/a";
7628 << MachOObjectFile::getVersionMinMajor(vd, true) << "."
7629 << MachOObjectFile::getVersionMinMinor(vd, true);
7631 Update = MachOObjectFile::getVersionMinUpdate(vd, true);
7633 outs() << "." << Update;
7637 static void PrintSourceVersionCommand(MachO::source_version_command sd) {
7638 outs() << " cmd LC_SOURCE_VERSION\n";
7639 outs() << " cmdsize " << sd.cmdsize;
7640 if (sd.cmdsize != sizeof(struct MachO::source_version_command))
7641 outs() << " Incorrect size\n";
7644 uint64_t a = (sd.version >> 40) & 0xffffff;
7645 uint64_t b = (sd.version >> 30) & 0x3ff;
7646 uint64_t c = (sd.version >> 20) & 0x3ff;
7647 uint64_t d = (sd.version >> 10) & 0x3ff;
7648 uint64_t e = sd.version & 0x3ff;
7649 outs() << " version " << a << "." << b;
7651 outs() << "." << c << "." << d << "." << e;
7653 outs() << "." << c << "." << d;
7659 static void PrintEntryPointCommand(MachO::entry_point_command ep) {
7660 outs() << " cmd LC_MAIN\n";
7661 outs() << " cmdsize " << ep.cmdsize;
7662 if (ep.cmdsize != sizeof(struct MachO::entry_point_command))
7663 outs() << " Incorrect size\n";
7666 outs() << " entryoff " << ep.entryoff << "\n";
7667 outs() << " stacksize " << ep.stacksize << "\n";
7670 static void PrintEncryptionInfoCommand(MachO::encryption_info_command ec,
7671 uint32_t object_size) {
7672 outs() << " cmd LC_ENCRYPTION_INFO\n";
7673 outs() << " cmdsize " << ec.cmdsize;
7674 if (ec.cmdsize != sizeof(struct MachO::encryption_info_command))
7675 outs() << " Incorrect size\n";
7678 outs() << " cryptoff " << ec.cryptoff;
7679 if (ec.cryptoff > object_size)
7680 outs() << " (past end of file)\n";
7683 outs() << " cryptsize " << ec.cryptsize;
7684 if (ec.cryptsize > object_size)
7685 outs() << " (past end of file)\n";
7688 outs() << " cryptid " << ec.cryptid << "\n";
7691 static void PrintEncryptionInfoCommand64(MachO::encryption_info_command_64 ec,
7692 uint32_t object_size) {
7693 outs() << " cmd LC_ENCRYPTION_INFO_64\n";
7694 outs() << " cmdsize " << ec.cmdsize;
7695 if (ec.cmdsize != sizeof(struct MachO::encryption_info_command_64))
7696 outs() << " Incorrect size\n";
7699 outs() << " cryptoff " << ec.cryptoff;
7700 if (ec.cryptoff > object_size)
7701 outs() << " (past end of file)\n";
7704 outs() << " cryptsize " << ec.cryptsize;
7705 if (ec.cryptsize > object_size)
7706 outs() << " (past end of file)\n";
7709 outs() << " cryptid " << ec.cryptid << "\n";
7710 outs() << " pad " << ec.pad << "\n";
7713 static void PrintLinkerOptionCommand(MachO::linker_option_command lo,
7715 outs() << " cmd LC_LINKER_OPTION\n";
7716 outs() << " cmdsize " << lo.cmdsize;
7717 if (lo.cmdsize < sizeof(struct MachO::linker_option_command))
7718 outs() << " Incorrect size\n";
7721 outs() << " count " << lo.count << "\n";
7722 const char *string = Ptr + sizeof(struct MachO::linker_option_command);
7723 uint32_t left = lo.cmdsize - sizeof(struct MachO::linker_option_command);
7726 while (*string == '\0' && left > 0) {
7732 outs() << " string #" << i << " " << format("%.*s\n", left, string);
7733 uint32_t NullPos = StringRef(string, left).find('\0');
7734 uint32_t len = std::min(NullPos, left) + 1;
7740 outs() << " count " << lo.count << " does not match number of strings "
7744 static void PrintSubFrameworkCommand(MachO::sub_framework_command sub,
7746 outs() << " cmd LC_SUB_FRAMEWORK\n";
7747 outs() << " cmdsize " << sub.cmdsize;
7748 if (sub.cmdsize < sizeof(struct MachO::sub_framework_command))
7749 outs() << " Incorrect size\n";
7752 if (sub.umbrella < sub.cmdsize) {
7753 const char *P = Ptr + sub.umbrella;
7754 outs() << " umbrella " << P << " (offset " << sub.umbrella << ")\n";
7756 outs() << " umbrella ?(bad offset " << sub.umbrella << ")\n";
7760 static void PrintSubUmbrellaCommand(MachO::sub_umbrella_command sub,
7762 outs() << " cmd LC_SUB_UMBRELLA\n";
7763 outs() << " cmdsize " << sub.cmdsize;
7764 if (sub.cmdsize < sizeof(struct MachO::sub_umbrella_command))
7765 outs() << " Incorrect size\n";
7768 if (sub.sub_umbrella < sub.cmdsize) {
7769 const char *P = Ptr + sub.sub_umbrella;
7770 outs() << " sub_umbrella " << P << " (offset " << sub.sub_umbrella << ")\n";
7772 outs() << " sub_umbrella ?(bad offset " << sub.sub_umbrella << ")\n";
7776 static void PrintSubLibraryCommand(MachO::sub_library_command sub,
7778 outs() << " cmd LC_SUB_LIBRARY\n";
7779 outs() << " cmdsize " << sub.cmdsize;
7780 if (sub.cmdsize < sizeof(struct MachO::sub_library_command))
7781 outs() << " Incorrect size\n";
7784 if (sub.sub_library < sub.cmdsize) {
7785 const char *P = Ptr + sub.sub_library;
7786 outs() << " sub_library " << P << " (offset " << sub.sub_library << ")\n";
7788 outs() << " sub_library ?(bad offset " << sub.sub_library << ")\n";
7792 static void PrintSubClientCommand(MachO::sub_client_command sub,
7794 outs() << " cmd LC_SUB_CLIENT\n";
7795 outs() << " cmdsize " << sub.cmdsize;
7796 if (sub.cmdsize < sizeof(struct MachO::sub_client_command))
7797 outs() << " Incorrect size\n";
7800 if (sub.client < sub.cmdsize) {
7801 const char *P = Ptr + sub.client;
7802 outs() << " client " << P << " (offset " << sub.client << ")\n";
7804 outs() << " client ?(bad offset " << sub.client << ")\n";
7808 static void PrintRoutinesCommand(MachO::routines_command r) {
7809 outs() << " cmd LC_ROUTINES\n";
7810 outs() << " cmdsize " << r.cmdsize;
7811 if (r.cmdsize != sizeof(struct MachO::routines_command))
7812 outs() << " Incorrect size\n";
7815 outs() << " init_address " << format("0x%08" PRIx32, r.init_address) << "\n";
7816 outs() << " init_module " << r.init_module << "\n";
7817 outs() << " reserved1 " << r.reserved1 << "\n";
7818 outs() << " reserved2 " << r.reserved2 << "\n";
7819 outs() << " reserved3 " << r.reserved3 << "\n";
7820 outs() << " reserved4 " << r.reserved4 << "\n";
7821 outs() << " reserved5 " << r.reserved5 << "\n";
7822 outs() << " reserved6 " << r.reserved6 << "\n";
7825 static void PrintRoutinesCommand64(MachO::routines_command_64 r) {
7826 outs() << " cmd LC_ROUTINES_64\n";
7827 outs() << " cmdsize " << r.cmdsize;
7828 if (r.cmdsize != sizeof(struct MachO::routines_command_64))
7829 outs() << " Incorrect size\n";
7832 outs() << " init_address " << format("0x%016" PRIx64, r.init_address) << "\n";
7833 outs() << " init_module " << r.init_module << "\n";
7834 outs() << " reserved1 " << r.reserved1 << "\n";
7835 outs() << " reserved2 " << r.reserved2 << "\n";
7836 outs() << " reserved3 " << r.reserved3 << "\n";
7837 outs() << " reserved4 " << r.reserved4 << "\n";
7838 outs() << " reserved5 " << r.reserved5 << "\n";
7839 outs() << " reserved6 " << r.reserved6 << "\n";
7842 static void Print_x86_thread_state64_t(MachO::x86_thread_state64_t &cpu64) {
7843 outs() << " rax " << format("0x%016" PRIx64, cpu64.rax);
7844 outs() << " rbx " << format("0x%016" PRIx64, cpu64.rbx);
7845 outs() << " rcx " << format("0x%016" PRIx64, cpu64.rcx) << "\n";
7846 outs() << " rdx " << format("0x%016" PRIx64, cpu64.rdx);
7847 outs() << " rdi " << format("0x%016" PRIx64, cpu64.rdi);
7848 outs() << " rsi " << format("0x%016" PRIx64, cpu64.rsi) << "\n";
7849 outs() << " rbp " << format("0x%016" PRIx64, cpu64.rbp);
7850 outs() << " rsp " << format("0x%016" PRIx64, cpu64.rsp);
7851 outs() << " r8 " << format("0x%016" PRIx64, cpu64.r8) << "\n";
7852 outs() << " r9 " << format("0x%016" PRIx64, cpu64.r9);
7853 outs() << " r10 " << format("0x%016" PRIx64, cpu64.r10);
7854 outs() << " r11 " << format("0x%016" PRIx64, cpu64.r11) << "\n";
7855 outs() << " r12 " << format("0x%016" PRIx64, cpu64.r12);
7856 outs() << " r13 " << format("0x%016" PRIx64, cpu64.r13);
7857 outs() << " r14 " << format("0x%016" PRIx64, cpu64.r14) << "\n";
7858 outs() << " r15 " << format("0x%016" PRIx64, cpu64.r15);
7859 outs() << " rip " << format("0x%016" PRIx64, cpu64.rip) << "\n";
7860 outs() << "rflags " << format("0x%016" PRIx64, cpu64.rflags);
7861 outs() << " cs " << format("0x%016" PRIx64, cpu64.cs);
7862 outs() << " fs " << format("0x%016" PRIx64, cpu64.fs) << "\n";
7863 outs() << " gs " << format("0x%016" PRIx64, cpu64.gs) << "\n";
7866 static void Print_mmst_reg(MachO::mmst_reg_t &r) {
7868 outs() << "\t mmst_reg ";
7869 for (f = 0; f < 10; f++)
7870 outs() << format("%02" PRIx32, (r.mmst_reg[f] & 0xff)) << " ";
7872 outs() << "\t mmst_rsrv ";
7873 for (f = 0; f < 6; f++)
7874 outs() << format("%02" PRIx32, (r.mmst_rsrv[f] & 0xff)) << " ";
7878 static void Print_xmm_reg(MachO::xmm_reg_t &r) {
7880 outs() << "\t xmm_reg ";
7881 for (f = 0; f < 16; f++)
7882 outs() << format("%02" PRIx32, (r.xmm_reg[f] & 0xff)) << " ";
7886 static void Print_x86_float_state_t(MachO::x86_float_state64_t &fpu) {
7887 outs() << "\t fpu_reserved[0] " << fpu.fpu_reserved[0];
7888 outs() << " fpu_reserved[1] " << fpu.fpu_reserved[1] << "\n";
7889 outs() << "\t control: invalid " << fpu.fpu_fcw.invalid;
7890 outs() << " denorm " << fpu.fpu_fcw.denorm;
7891 outs() << " zdiv " << fpu.fpu_fcw.zdiv;
7892 outs() << " ovrfl " << fpu.fpu_fcw.ovrfl;
7893 outs() << " undfl " << fpu.fpu_fcw.undfl;
7894 outs() << " precis " << fpu.fpu_fcw.precis << "\n";
7895 outs() << "\t\t pc ";
7896 if (fpu.fpu_fcw.pc == MachO::x86_FP_PREC_24B)
7897 outs() << "FP_PREC_24B ";
7898 else if (fpu.fpu_fcw.pc == MachO::x86_FP_PREC_53B)
7899 outs() << "FP_PREC_53B ";
7900 else if (fpu.fpu_fcw.pc == MachO::x86_FP_PREC_64B)
7901 outs() << "FP_PREC_64B ";
7903 outs() << fpu.fpu_fcw.pc << " ";
7905 if (fpu.fpu_fcw.rc == MachO::x86_FP_RND_NEAR)
7906 outs() << "FP_RND_NEAR ";
7907 else if (fpu.fpu_fcw.rc == MachO::x86_FP_RND_DOWN)
7908 outs() << "FP_RND_DOWN ";
7909 else if (fpu.fpu_fcw.rc == MachO::x86_FP_RND_UP)
7910 outs() << "FP_RND_UP ";
7911 else if (fpu.fpu_fcw.rc == MachO::x86_FP_CHOP)
7912 outs() << "FP_CHOP ";
7914 outs() << "\t status: invalid " << fpu.fpu_fsw.invalid;
7915 outs() << " denorm " << fpu.fpu_fsw.denorm;
7916 outs() << " zdiv " << fpu.fpu_fsw.zdiv;
7917 outs() << " ovrfl " << fpu.fpu_fsw.ovrfl;
7918 outs() << " undfl " << fpu.fpu_fsw.undfl;
7919 outs() << " precis " << fpu.fpu_fsw.precis;
7920 outs() << " stkflt " << fpu.fpu_fsw.stkflt << "\n";
7921 outs() << "\t errsumm " << fpu.fpu_fsw.errsumm;
7922 outs() << " c0 " << fpu.fpu_fsw.c0;
7923 outs() << " c1 " << fpu.fpu_fsw.c1;
7924 outs() << " c2 " << fpu.fpu_fsw.c2;
7925 outs() << " tos " << fpu.fpu_fsw.tos;
7926 outs() << " c3 " << fpu.fpu_fsw.c3;
7927 outs() << " busy " << fpu.fpu_fsw.busy << "\n";
7928 outs() << "\t fpu_ftw " << format("0x%02" PRIx32, fpu.fpu_ftw);
7929 outs() << " fpu_rsrv1 " << format("0x%02" PRIx32, fpu.fpu_rsrv1);
7930 outs() << " fpu_fop " << format("0x%04" PRIx32, fpu.fpu_fop);
7931 outs() << " fpu_ip " << format("0x%08" PRIx32, fpu.fpu_ip) << "\n";
7932 outs() << "\t fpu_cs " << format("0x%04" PRIx32, fpu.fpu_cs);
7933 outs() << " fpu_rsrv2 " << format("0x%04" PRIx32, fpu.fpu_rsrv2);
7934 outs() << " fpu_dp " << format("0x%08" PRIx32, fpu.fpu_dp);
7935 outs() << " fpu_ds " << format("0x%04" PRIx32, fpu.fpu_ds) << "\n";
7936 outs() << "\t fpu_rsrv3 " << format("0x%04" PRIx32, fpu.fpu_rsrv3);
7937 outs() << " fpu_mxcsr " << format("0x%08" PRIx32, fpu.fpu_mxcsr);
7938 outs() << " fpu_mxcsrmask " << format("0x%08" PRIx32, fpu.fpu_mxcsrmask);
7940 outs() << "\t fpu_stmm0:\n";
7941 Print_mmst_reg(fpu.fpu_stmm0);
7942 outs() << "\t fpu_stmm1:\n";
7943 Print_mmst_reg(fpu.fpu_stmm1);
7944 outs() << "\t fpu_stmm2:\n";
7945 Print_mmst_reg(fpu.fpu_stmm2);
7946 outs() << "\t fpu_stmm3:\n";
7947 Print_mmst_reg(fpu.fpu_stmm3);
7948 outs() << "\t fpu_stmm4:\n";
7949 Print_mmst_reg(fpu.fpu_stmm4);
7950 outs() << "\t fpu_stmm5:\n";
7951 Print_mmst_reg(fpu.fpu_stmm5);
7952 outs() << "\t fpu_stmm6:\n";
7953 Print_mmst_reg(fpu.fpu_stmm6);
7954 outs() << "\t fpu_stmm7:\n";
7955 Print_mmst_reg(fpu.fpu_stmm7);
7956 outs() << "\t fpu_xmm0:\n";
7957 Print_xmm_reg(fpu.fpu_xmm0);
7958 outs() << "\t fpu_xmm1:\n";
7959 Print_xmm_reg(fpu.fpu_xmm1);
7960 outs() << "\t fpu_xmm2:\n";
7961 Print_xmm_reg(fpu.fpu_xmm2);
7962 outs() << "\t fpu_xmm3:\n";
7963 Print_xmm_reg(fpu.fpu_xmm3);
7964 outs() << "\t fpu_xmm4:\n";
7965 Print_xmm_reg(fpu.fpu_xmm4);
7966 outs() << "\t fpu_xmm5:\n";
7967 Print_xmm_reg(fpu.fpu_xmm5);
7968 outs() << "\t fpu_xmm6:\n";
7969 Print_xmm_reg(fpu.fpu_xmm6);
7970 outs() << "\t fpu_xmm7:\n";
7971 Print_xmm_reg(fpu.fpu_xmm7);
7972 outs() << "\t fpu_xmm8:\n";
7973 Print_xmm_reg(fpu.fpu_xmm8);
7974 outs() << "\t fpu_xmm9:\n";
7975 Print_xmm_reg(fpu.fpu_xmm9);
7976 outs() << "\t fpu_xmm10:\n";
7977 Print_xmm_reg(fpu.fpu_xmm10);
7978 outs() << "\t fpu_xmm11:\n";
7979 Print_xmm_reg(fpu.fpu_xmm11);
7980 outs() << "\t fpu_xmm12:\n";
7981 Print_xmm_reg(fpu.fpu_xmm12);
7982 outs() << "\t fpu_xmm13:\n";
7983 Print_xmm_reg(fpu.fpu_xmm13);
7984 outs() << "\t fpu_xmm14:\n";
7985 Print_xmm_reg(fpu.fpu_xmm14);
7986 outs() << "\t fpu_xmm15:\n";
7987 Print_xmm_reg(fpu.fpu_xmm15);
7988 outs() << "\t fpu_rsrv4:\n";
7989 for (uint32_t f = 0; f < 6; f++) {
7991 for (uint32_t g = 0; g < 16; g++)
7992 outs() << format("%02" PRIx32, fpu.fpu_rsrv4[f * g]) << " ";
7995 outs() << "\t fpu_reserved1 " << format("0x%08" PRIx32, fpu.fpu_reserved1);
7999 static void Print_x86_exception_state_t(MachO::x86_exception_state64_t &exc64) {
8000 outs() << "\t trapno " << format("0x%08" PRIx32, exc64.trapno);
8001 outs() << " err " << format("0x%08" PRIx32, exc64.err);
8002 outs() << " faultvaddr " << format("0x%016" PRIx64, exc64.faultvaddr) << "\n";
8005 static void PrintThreadCommand(MachO::thread_command t, const char *Ptr,
8006 bool isLittleEndian, uint32_t cputype) {
8007 if (t.cmd == MachO::LC_THREAD)
8008 outs() << " cmd LC_THREAD\n";
8009 else if (t.cmd == MachO::LC_UNIXTHREAD)
8010 outs() << " cmd LC_UNIXTHREAD\n";
8012 outs() << " cmd " << t.cmd << " (unknown)\n";
8013 outs() << " cmdsize " << t.cmdsize;
8014 if (t.cmdsize < sizeof(struct MachO::thread_command) + 2 * sizeof(uint32_t))
8015 outs() << " Incorrect size\n";
8019 const char *begin = Ptr + sizeof(struct MachO::thread_command);
8020 const char *end = Ptr + t.cmdsize;
8021 uint32_t flavor, count, left;
8022 if (cputype == MachO::CPU_TYPE_X86_64) {
8023 while (begin < end) {
8024 if (end - begin > (ptrdiff_t)sizeof(uint32_t)) {
8025 memcpy((char *)&flavor, begin, sizeof(uint32_t));
8026 begin += sizeof(uint32_t);
8031 if (isLittleEndian != sys::IsLittleEndianHost)
8032 sys::swapByteOrder(flavor);
8033 if (end - begin > (ptrdiff_t)sizeof(uint32_t)) {
8034 memcpy((char *)&count, begin, sizeof(uint32_t));
8035 begin += sizeof(uint32_t);
8040 if (isLittleEndian != sys::IsLittleEndianHost)
8041 sys::swapByteOrder(count);
8042 if (flavor == MachO::x86_THREAD_STATE64) {
8043 outs() << " flavor x86_THREAD_STATE64\n";
8044 if (count == MachO::x86_THREAD_STATE64_COUNT)
8045 outs() << " count x86_THREAD_STATE64_COUNT\n";
8047 outs() << " count " << count
8048 << " (not x86_THREAD_STATE64_COUNT)\n";
8049 MachO::x86_thread_state64_t cpu64;
8051 if (left >= sizeof(MachO::x86_thread_state64_t)) {
8052 memcpy(&cpu64, begin, sizeof(MachO::x86_thread_state64_t));
8053 begin += sizeof(MachO::x86_thread_state64_t);
8055 memset(&cpu64, '\0', sizeof(MachO::x86_thread_state64_t));
8056 memcpy(&cpu64, begin, left);
8059 if (isLittleEndian != sys::IsLittleEndianHost)
8061 Print_x86_thread_state64_t(cpu64);
8062 } else if (flavor == MachO::x86_THREAD_STATE) {
8063 outs() << " flavor x86_THREAD_STATE\n";
8064 if (count == MachO::x86_THREAD_STATE_COUNT)
8065 outs() << " count x86_THREAD_STATE_COUNT\n";
8067 outs() << " count " << count
8068 << " (not x86_THREAD_STATE_COUNT)\n";
8069 struct MachO::x86_thread_state_t ts;
8071 if (left >= sizeof(MachO::x86_thread_state_t)) {
8072 memcpy(&ts, begin, sizeof(MachO::x86_thread_state_t));
8073 begin += sizeof(MachO::x86_thread_state_t);
8075 memset(&ts, '\0', sizeof(MachO::x86_thread_state_t));
8076 memcpy(&ts, begin, left);
8079 if (isLittleEndian != sys::IsLittleEndianHost)
8081 if (ts.tsh.flavor == MachO::x86_THREAD_STATE64) {
8082 outs() << "\t tsh.flavor x86_THREAD_STATE64 ";
8083 if (ts.tsh.count == MachO::x86_THREAD_STATE64_COUNT)
8084 outs() << "tsh.count x86_THREAD_STATE64_COUNT\n";
8086 outs() << "tsh.count " << ts.tsh.count
8087 << " (not x86_THREAD_STATE64_COUNT\n";
8088 Print_x86_thread_state64_t(ts.uts.ts64);
8090 outs() << "\t tsh.flavor " << ts.tsh.flavor << " tsh.count "
8091 << ts.tsh.count << "\n";
8093 } else if (flavor == MachO::x86_FLOAT_STATE) {
8094 outs() << " flavor x86_FLOAT_STATE\n";
8095 if (count == MachO::x86_FLOAT_STATE_COUNT)
8096 outs() << " count x86_FLOAT_STATE_COUNT\n";
8098 outs() << " count " << count << " (not x86_FLOAT_STATE_COUNT)\n";
8099 struct MachO::x86_float_state_t fs;
8101 if (left >= sizeof(MachO::x86_float_state_t)) {
8102 memcpy(&fs, begin, sizeof(MachO::x86_float_state_t));
8103 begin += sizeof(MachO::x86_float_state_t);
8105 memset(&fs, '\0', sizeof(MachO::x86_float_state_t));
8106 memcpy(&fs, begin, left);
8109 if (isLittleEndian != sys::IsLittleEndianHost)
8111 if (fs.fsh.flavor == MachO::x86_FLOAT_STATE64) {
8112 outs() << "\t fsh.flavor x86_FLOAT_STATE64 ";
8113 if (fs.fsh.count == MachO::x86_FLOAT_STATE64_COUNT)
8114 outs() << "fsh.count x86_FLOAT_STATE64_COUNT\n";
8116 outs() << "fsh.count " << fs.fsh.count
8117 << " (not x86_FLOAT_STATE64_COUNT\n";
8118 Print_x86_float_state_t(fs.ufs.fs64);
8120 outs() << "\t fsh.flavor " << fs.fsh.flavor << " fsh.count "
8121 << fs.fsh.count << "\n";
8123 } else if (flavor == MachO::x86_EXCEPTION_STATE) {
8124 outs() << " flavor x86_EXCEPTION_STATE\n";
8125 if (count == MachO::x86_EXCEPTION_STATE_COUNT)
8126 outs() << " count x86_EXCEPTION_STATE_COUNT\n";
8128 outs() << " count " << count
8129 << " (not x86_EXCEPTION_STATE_COUNT)\n";
8130 struct MachO::x86_exception_state_t es;
8132 if (left >= sizeof(MachO::x86_exception_state_t)) {
8133 memcpy(&es, begin, sizeof(MachO::x86_exception_state_t));
8134 begin += sizeof(MachO::x86_exception_state_t);
8136 memset(&es, '\0', sizeof(MachO::x86_exception_state_t));
8137 memcpy(&es, begin, left);
8140 if (isLittleEndian != sys::IsLittleEndianHost)
8142 if (es.esh.flavor == MachO::x86_EXCEPTION_STATE64) {
8143 outs() << "\t esh.flavor x86_EXCEPTION_STATE64\n";
8144 if (es.esh.count == MachO::x86_EXCEPTION_STATE64_COUNT)
8145 outs() << "\t esh.count x86_EXCEPTION_STATE64_COUNT\n";
8147 outs() << "\t esh.count " << es.esh.count
8148 << " (not x86_EXCEPTION_STATE64_COUNT\n";
8149 Print_x86_exception_state_t(es.ues.es64);
8151 outs() << "\t esh.flavor " << es.esh.flavor << " esh.count "
8152 << es.esh.count << "\n";
8155 outs() << " flavor " << flavor << " (unknown)\n";
8156 outs() << " count " << count << "\n";
8157 outs() << " state (unknown)\n";
8158 begin += count * sizeof(uint32_t);
8162 while (begin < end) {
8163 if (end - begin > (ptrdiff_t)sizeof(uint32_t)) {
8164 memcpy((char *)&flavor, begin, sizeof(uint32_t));
8165 begin += sizeof(uint32_t);
8170 if (isLittleEndian != sys::IsLittleEndianHost)
8171 sys::swapByteOrder(flavor);
8172 if (end - begin > (ptrdiff_t)sizeof(uint32_t)) {
8173 memcpy((char *)&count, begin, sizeof(uint32_t));
8174 begin += sizeof(uint32_t);
8179 if (isLittleEndian != sys::IsLittleEndianHost)
8180 sys::swapByteOrder(count);
8181 outs() << " flavor " << flavor << "\n";
8182 outs() << " count " << count << "\n";
8183 outs() << " state (Unknown cputype/cpusubtype)\n";
8184 begin += count * sizeof(uint32_t);
8189 static void PrintDylibCommand(MachO::dylib_command dl, const char *Ptr) {
8190 if (dl.cmd == MachO::LC_ID_DYLIB)
8191 outs() << " cmd LC_ID_DYLIB\n";
8192 else if (dl.cmd == MachO::LC_LOAD_DYLIB)
8193 outs() << " cmd LC_LOAD_DYLIB\n";
8194 else if (dl.cmd == MachO::LC_LOAD_WEAK_DYLIB)
8195 outs() << " cmd LC_LOAD_WEAK_DYLIB\n";
8196 else if (dl.cmd == MachO::LC_REEXPORT_DYLIB)
8197 outs() << " cmd LC_REEXPORT_DYLIB\n";
8198 else if (dl.cmd == MachO::LC_LAZY_LOAD_DYLIB)
8199 outs() << " cmd LC_LAZY_LOAD_DYLIB\n";
8200 else if (dl.cmd == MachO::LC_LOAD_UPWARD_DYLIB)
8201 outs() << " cmd LC_LOAD_UPWARD_DYLIB\n";
8203 outs() << " cmd " << dl.cmd << " (unknown)\n";
8204 outs() << " cmdsize " << dl.cmdsize;
8205 if (dl.cmdsize < sizeof(struct MachO::dylib_command))
8206 outs() << " Incorrect size\n";
8209 if (dl.dylib.name < dl.cmdsize) {
8210 const char *P = (const char *)(Ptr) + dl.dylib.name;
8211 outs() << " name " << P << " (offset " << dl.dylib.name << ")\n";
8213 outs() << " name ?(bad offset " << dl.dylib.name << ")\n";
8215 outs() << " time stamp " << dl.dylib.timestamp << " ";
8216 time_t t = dl.dylib.timestamp;
8217 outs() << ctime(&t);
8218 outs() << " current version ";
8219 if (dl.dylib.current_version == 0xffffffff)
8222 outs() << ((dl.dylib.current_version >> 16) & 0xffff) << "."
8223 << ((dl.dylib.current_version >> 8) & 0xff) << "."
8224 << (dl.dylib.current_version & 0xff) << "\n";
8225 outs() << "compatibility version ";
8226 if (dl.dylib.compatibility_version == 0xffffffff)
8229 outs() << ((dl.dylib.compatibility_version >> 16) & 0xffff) << "."
8230 << ((dl.dylib.compatibility_version >> 8) & 0xff) << "."
8231 << (dl.dylib.compatibility_version & 0xff) << "\n";
8234 static void PrintLinkEditDataCommand(MachO::linkedit_data_command ld,
8235 uint32_t object_size) {
8236 if (ld.cmd == MachO::LC_CODE_SIGNATURE)
8237 outs() << " cmd LC_FUNCTION_STARTS\n";
8238 else if (ld.cmd == MachO::LC_SEGMENT_SPLIT_INFO)
8239 outs() << " cmd LC_SEGMENT_SPLIT_INFO\n";
8240 else if (ld.cmd == MachO::LC_FUNCTION_STARTS)
8241 outs() << " cmd LC_FUNCTION_STARTS\n";
8242 else if (ld.cmd == MachO::LC_DATA_IN_CODE)
8243 outs() << " cmd LC_DATA_IN_CODE\n";
8244 else if (ld.cmd == MachO::LC_DYLIB_CODE_SIGN_DRS)
8245 outs() << " cmd LC_DYLIB_CODE_SIGN_DRS\n";
8246 else if (ld.cmd == MachO::LC_LINKER_OPTIMIZATION_HINT)
8247 outs() << " cmd LC_LINKER_OPTIMIZATION_HINT\n";
8249 outs() << " cmd " << ld.cmd << " (?)\n";
8250 outs() << " cmdsize " << ld.cmdsize;
8251 if (ld.cmdsize != sizeof(struct MachO::linkedit_data_command))
8252 outs() << " Incorrect size\n";
8255 outs() << " dataoff " << ld.dataoff;
8256 if (ld.dataoff > object_size)
8257 outs() << " (past end of file)\n";
8260 outs() << " datasize " << ld.datasize;
8261 uint64_t big_size = ld.dataoff;
8262 big_size += ld.datasize;
8263 if (big_size > object_size)
8264 outs() << " (past end of file)\n";
8269 static void PrintLoadCommands(const MachOObjectFile *Obj, uint32_t filetype,
8270 uint32_t cputype, bool verbose) {
8271 StringRef Buf = Obj->getData();
8273 for (const auto &Command : Obj->load_commands()) {
8274 outs() << "Load command " << Index++ << "\n";
8275 if (Command.C.cmd == MachO::LC_SEGMENT) {
8276 MachO::segment_command SLC = Obj->getSegmentLoadCommand(Command);
8277 const char *sg_segname = SLC.segname;
8278 PrintSegmentCommand(SLC.cmd, SLC.cmdsize, SLC.segname, SLC.vmaddr,
8279 SLC.vmsize, SLC.fileoff, SLC.filesize, SLC.maxprot,
8280 SLC.initprot, SLC.nsects, SLC.flags, Buf.size(),
8282 for (unsigned j = 0; j < SLC.nsects; j++) {
8283 MachO::section S = Obj->getSection(Command, j);
8284 PrintSection(S.sectname, S.segname, S.addr, S.size, S.offset, S.align,
8285 S.reloff, S.nreloc, S.flags, S.reserved1, S.reserved2,
8286 SLC.cmd, sg_segname, filetype, Buf.size(), verbose);
8288 } else if (Command.C.cmd == MachO::LC_SEGMENT_64) {
8289 MachO::segment_command_64 SLC_64 = Obj->getSegment64LoadCommand(Command);
8290 const char *sg_segname = SLC_64.segname;
8291 PrintSegmentCommand(SLC_64.cmd, SLC_64.cmdsize, SLC_64.segname,
8292 SLC_64.vmaddr, SLC_64.vmsize, SLC_64.fileoff,
8293 SLC_64.filesize, SLC_64.maxprot, SLC_64.initprot,
8294 SLC_64.nsects, SLC_64.flags, Buf.size(), verbose);
8295 for (unsigned j = 0; j < SLC_64.nsects; j++) {
8296 MachO::section_64 S_64 = Obj->getSection64(Command, j);
8297 PrintSection(S_64.sectname, S_64.segname, S_64.addr, S_64.size,
8298 S_64.offset, S_64.align, S_64.reloff, S_64.nreloc,
8299 S_64.flags, S_64.reserved1, S_64.reserved2, SLC_64.cmd,
8300 sg_segname, filetype, Buf.size(), verbose);
8302 } else if (Command.C.cmd == MachO::LC_SYMTAB) {
8303 MachO::symtab_command Symtab = Obj->getSymtabLoadCommand();
8304 PrintSymtabLoadCommand(Symtab, Obj->is64Bit(), Buf.size());
8305 } else if (Command.C.cmd == MachO::LC_DYSYMTAB) {
8306 MachO::dysymtab_command Dysymtab = Obj->getDysymtabLoadCommand();
8307 MachO::symtab_command Symtab = Obj->getSymtabLoadCommand();
8308 PrintDysymtabLoadCommand(Dysymtab, Symtab.nsyms, Buf.size(),
8310 } else if (Command.C.cmd == MachO::LC_DYLD_INFO ||
8311 Command.C.cmd == MachO::LC_DYLD_INFO_ONLY) {
8312 MachO::dyld_info_command DyldInfo = Obj->getDyldInfoLoadCommand(Command);
8313 PrintDyldInfoLoadCommand(DyldInfo, Buf.size());
8314 } else if (Command.C.cmd == MachO::LC_LOAD_DYLINKER ||
8315 Command.C.cmd == MachO::LC_ID_DYLINKER ||
8316 Command.C.cmd == MachO::LC_DYLD_ENVIRONMENT) {
8317 MachO::dylinker_command Dyld = Obj->getDylinkerCommand(Command);
8318 PrintDyldLoadCommand(Dyld, Command.Ptr);
8319 } else if (Command.C.cmd == MachO::LC_UUID) {
8320 MachO::uuid_command Uuid = Obj->getUuidCommand(Command);
8321 PrintUuidLoadCommand(Uuid);
8322 } else if (Command.C.cmd == MachO::LC_RPATH) {
8323 MachO::rpath_command Rpath = Obj->getRpathCommand(Command);
8324 PrintRpathLoadCommand(Rpath, Command.Ptr);
8325 } else if (Command.C.cmd == MachO::LC_VERSION_MIN_MACOSX ||
8326 Command.C.cmd == MachO::LC_VERSION_MIN_IPHONEOS ||
8327 Command.C.cmd == MachO::LC_VERSION_MIN_TVOS ||
8328 Command.C.cmd == MachO::LC_VERSION_MIN_WATCHOS) {
8329 MachO::version_min_command Vd = Obj->getVersionMinLoadCommand(Command);
8330 PrintVersionMinLoadCommand(Vd);
8331 } else if (Command.C.cmd == MachO::LC_SOURCE_VERSION) {
8332 MachO::source_version_command Sd = Obj->getSourceVersionCommand(Command);
8333 PrintSourceVersionCommand(Sd);
8334 } else if (Command.C.cmd == MachO::LC_MAIN) {
8335 MachO::entry_point_command Ep = Obj->getEntryPointCommand(Command);
8336 PrintEntryPointCommand(Ep);
8337 } else if (Command.C.cmd == MachO::LC_ENCRYPTION_INFO) {
8338 MachO::encryption_info_command Ei =
8339 Obj->getEncryptionInfoCommand(Command);
8340 PrintEncryptionInfoCommand(Ei, Buf.size());
8341 } else if (Command.C.cmd == MachO::LC_ENCRYPTION_INFO_64) {
8342 MachO::encryption_info_command_64 Ei =
8343 Obj->getEncryptionInfoCommand64(Command);
8344 PrintEncryptionInfoCommand64(Ei, Buf.size());
8345 } else if (Command.C.cmd == MachO::LC_LINKER_OPTION) {
8346 MachO::linker_option_command Lo =
8347 Obj->getLinkerOptionLoadCommand(Command);
8348 PrintLinkerOptionCommand(Lo, Command.Ptr);
8349 } else if (Command.C.cmd == MachO::LC_SUB_FRAMEWORK) {
8350 MachO::sub_framework_command Sf = Obj->getSubFrameworkCommand(Command);
8351 PrintSubFrameworkCommand(Sf, Command.Ptr);
8352 } else if (Command.C.cmd == MachO::LC_SUB_UMBRELLA) {
8353 MachO::sub_umbrella_command Sf = Obj->getSubUmbrellaCommand(Command);
8354 PrintSubUmbrellaCommand(Sf, Command.Ptr);
8355 } else if (Command.C.cmd == MachO::LC_SUB_LIBRARY) {
8356 MachO::sub_library_command Sl = Obj->getSubLibraryCommand(Command);
8357 PrintSubLibraryCommand(Sl, Command.Ptr);
8358 } else if (Command.C.cmd == MachO::LC_SUB_CLIENT) {
8359 MachO::sub_client_command Sc = Obj->getSubClientCommand(Command);
8360 PrintSubClientCommand(Sc, Command.Ptr);
8361 } else if (Command.C.cmd == MachO::LC_ROUTINES) {
8362 MachO::routines_command Rc = Obj->getRoutinesCommand(Command);
8363 PrintRoutinesCommand(Rc);
8364 } else if (Command.C.cmd == MachO::LC_ROUTINES_64) {
8365 MachO::routines_command_64 Rc = Obj->getRoutinesCommand64(Command);
8366 PrintRoutinesCommand64(Rc);
8367 } else if (Command.C.cmd == MachO::LC_THREAD ||
8368 Command.C.cmd == MachO::LC_UNIXTHREAD) {
8369 MachO::thread_command Tc = Obj->getThreadCommand(Command);
8370 PrintThreadCommand(Tc, Command.Ptr, Obj->isLittleEndian(), cputype);
8371 } else if (Command.C.cmd == MachO::LC_LOAD_DYLIB ||
8372 Command.C.cmd == MachO::LC_ID_DYLIB ||
8373 Command.C.cmd == MachO::LC_LOAD_WEAK_DYLIB ||
8374 Command.C.cmd == MachO::LC_REEXPORT_DYLIB ||
8375 Command.C.cmd == MachO::LC_LAZY_LOAD_DYLIB ||
8376 Command.C.cmd == MachO::LC_LOAD_UPWARD_DYLIB) {
8377 MachO::dylib_command Dl = Obj->getDylibIDLoadCommand(Command);
8378 PrintDylibCommand(Dl, Command.Ptr);
8379 } else if (Command.C.cmd == MachO::LC_CODE_SIGNATURE ||
8380 Command.C.cmd == MachO::LC_SEGMENT_SPLIT_INFO ||
8381 Command.C.cmd == MachO::LC_FUNCTION_STARTS ||
8382 Command.C.cmd == MachO::LC_DATA_IN_CODE ||
8383 Command.C.cmd == MachO::LC_DYLIB_CODE_SIGN_DRS ||
8384 Command.C.cmd == MachO::LC_LINKER_OPTIMIZATION_HINT) {
8385 MachO::linkedit_data_command Ld =
8386 Obj->getLinkeditDataLoadCommand(Command);
8387 PrintLinkEditDataCommand(Ld, Buf.size());
8389 outs() << " cmd ?(" << format("0x%08" PRIx32, Command.C.cmd)
8391 outs() << " cmdsize " << Command.C.cmdsize << "\n";
8392 // TODO: get and print the raw bytes of the load command.
8394 // TODO: print all the other kinds of load commands.
8398 static void getAndPrintMachHeader(const MachOObjectFile *Obj,
8399 uint32_t &filetype, uint32_t &cputype,
8401 if (Obj->is64Bit()) {
8402 MachO::mach_header_64 H_64;
8403 H_64 = Obj->getHeader64();
8404 PrintMachHeader(H_64.magic, H_64.cputype, H_64.cpusubtype, H_64.filetype,
8405 H_64.ncmds, H_64.sizeofcmds, H_64.flags, verbose);
8406 filetype = H_64.filetype;
8407 cputype = H_64.cputype;
8409 MachO::mach_header H;
8410 H = Obj->getHeader();
8411 PrintMachHeader(H.magic, H.cputype, H.cpusubtype, H.filetype, H.ncmds,
8412 H.sizeofcmds, H.flags, verbose);
8413 filetype = H.filetype;
8414 cputype = H.cputype;
8418 void llvm::printMachOFileHeader(const object::ObjectFile *Obj) {
8419 const MachOObjectFile *file = dyn_cast<const MachOObjectFile>(Obj);
8420 uint32_t filetype = 0;
8421 uint32_t cputype = 0;
8422 getAndPrintMachHeader(file, filetype, cputype, !NonVerbose);
8423 PrintLoadCommands(file, filetype, cputype, !NonVerbose);
8426 //===----------------------------------------------------------------------===//
8427 // export trie dumping
8428 //===----------------------------------------------------------------------===//
8430 void llvm::printMachOExportsTrie(const object::MachOObjectFile *Obj) {
8431 for (const llvm::object::ExportEntry &Entry : Obj->exports()) {
8432 uint64_t Flags = Entry.flags();
8433 bool ReExport = (Flags & MachO::EXPORT_SYMBOL_FLAGS_REEXPORT);
8434 bool WeakDef = (Flags & MachO::EXPORT_SYMBOL_FLAGS_WEAK_DEFINITION);
8435 bool ThreadLocal = ((Flags & MachO::EXPORT_SYMBOL_FLAGS_KIND_MASK) ==
8436 MachO::EXPORT_SYMBOL_FLAGS_KIND_THREAD_LOCAL);
8437 bool Abs = ((Flags & MachO::EXPORT_SYMBOL_FLAGS_KIND_MASK) ==
8438 MachO::EXPORT_SYMBOL_FLAGS_KIND_ABSOLUTE);
8439 bool Resolver = (Flags & MachO::EXPORT_SYMBOL_FLAGS_STUB_AND_RESOLVER);
8441 outs() << "[re-export] ";
8443 outs() << format("0x%08llX ",
8444 Entry.address()); // FIXME:add in base address
8445 outs() << Entry.name();
8446 if (WeakDef || ThreadLocal || Resolver || Abs) {
8447 bool NeedsComma = false;
8450 outs() << "weak_def";
8456 outs() << "per-thread";
8462 outs() << "absolute";
8468 outs() << format("resolver=0x%08llX", Entry.other());
8474 StringRef DylibName = "unknown";
8475 int Ordinal = Entry.other() - 1;
8476 Obj->getLibraryShortNameByIndex(Ordinal, DylibName);
8477 if (Entry.otherName().empty())
8478 outs() << " (from " << DylibName << ")";
8480 outs() << " (" << Entry.otherName() << " from " << DylibName << ")";
8486 //===----------------------------------------------------------------------===//
8487 // rebase table dumping
8488 //===----------------------------------------------------------------------===//
8493 SegInfo(const object::MachOObjectFile *Obj);
8495 StringRef segmentName(uint32_t SegIndex);
8496 StringRef sectionName(uint32_t SegIndex, uint64_t SegOffset);
8497 uint64_t address(uint32_t SegIndex, uint64_t SegOffset);
8498 bool isValidSegIndexAndOffset(uint32_t SegIndex, uint64_t SegOffset);
8501 struct SectionInfo {
8504 StringRef SectionName;
8505 StringRef SegmentName;
8506 uint64_t OffsetInSegment;
8507 uint64_t SegmentStartAddress;
8508 uint32_t SegmentIndex;
8510 const SectionInfo &findSection(uint32_t SegIndex, uint64_t SegOffset);
8511 SmallVector<SectionInfo, 32> Sections;
8515 SegInfo::SegInfo(const object::MachOObjectFile *Obj) {
8516 // Build table of sections so segIndex/offset pairs can be translated.
8517 uint32_t CurSegIndex = Obj->hasPageZeroSegment() ? 1 : 0;
8518 StringRef CurSegName;
8519 uint64_t CurSegAddress;
8520 for (const SectionRef &Section : Obj->sections()) {
8522 error(Section.getName(Info.SectionName));
8523 Info.Address = Section.getAddress();
8524 Info.Size = Section.getSize();
8526 Obj->getSectionFinalSegmentName(Section.getRawDataRefImpl());
8527 if (!Info.SegmentName.equals(CurSegName)) {
8529 CurSegName = Info.SegmentName;
8530 CurSegAddress = Info.Address;
8532 Info.SegmentIndex = CurSegIndex - 1;
8533 Info.OffsetInSegment = Info.Address - CurSegAddress;
8534 Info.SegmentStartAddress = CurSegAddress;
8535 Sections.push_back(Info);
8539 StringRef SegInfo::segmentName(uint32_t SegIndex) {
8540 for (const SectionInfo &SI : Sections) {
8541 if (SI.SegmentIndex == SegIndex)
8542 return SI.SegmentName;
8544 llvm_unreachable("invalid segIndex");
8547 bool SegInfo::isValidSegIndexAndOffset(uint32_t SegIndex,
8548 uint64_t OffsetInSeg) {
8549 for (const SectionInfo &SI : Sections) {
8550 if (SI.SegmentIndex != SegIndex)
8552 if (SI.OffsetInSegment > OffsetInSeg)
8554 if (OffsetInSeg >= (SI.OffsetInSegment + SI.Size))
8561 const SegInfo::SectionInfo &SegInfo::findSection(uint32_t SegIndex,
8562 uint64_t OffsetInSeg) {
8563 for (const SectionInfo &SI : Sections) {
8564 if (SI.SegmentIndex != SegIndex)
8566 if (SI.OffsetInSegment > OffsetInSeg)
8568 if (OffsetInSeg >= (SI.OffsetInSegment + SI.Size))
8572 llvm_unreachable("segIndex and offset not in any section");
8575 StringRef SegInfo::sectionName(uint32_t SegIndex, uint64_t OffsetInSeg) {
8576 return findSection(SegIndex, OffsetInSeg).SectionName;
8579 uint64_t SegInfo::address(uint32_t SegIndex, uint64_t OffsetInSeg) {
8580 const SectionInfo &SI = findSection(SegIndex, OffsetInSeg);
8581 return SI.SegmentStartAddress + OffsetInSeg;
8584 void llvm::printMachORebaseTable(const object::MachOObjectFile *Obj) {
8585 // Build table of sections so names can used in final output.
8586 SegInfo sectionTable(Obj);
8588 outs() << "segment section address type\n";
8589 for (const llvm::object::MachORebaseEntry &Entry : Obj->rebaseTable()) {
8590 uint32_t SegIndex = Entry.segmentIndex();
8591 uint64_t OffsetInSeg = Entry.segmentOffset();
8592 StringRef SegmentName = sectionTable.segmentName(SegIndex);
8593 StringRef SectionName = sectionTable.sectionName(SegIndex, OffsetInSeg);
8594 uint64_t Address = sectionTable.address(SegIndex, OffsetInSeg);
8596 // Table lines look like: __DATA __nl_symbol_ptr 0x0000F00C pointer
8597 outs() << format("%-8s %-18s 0x%08" PRIX64 " %s\n",
8598 SegmentName.str().c_str(), SectionName.str().c_str(),
8599 Address, Entry.typeName().str().c_str());
8603 static StringRef ordinalName(const object::MachOObjectFile *Obj, int Ordinal) {
8604 StringRef DylibName;
8606 case MachO::BIND_SPECIAL_DYLIB_SELF:
8607 return "this-image";
8608 case MachO::BIND_SPECIAL_DYLIB_MAIN_EXECUTABLE:
8609 return "main-executable";
8610 case MachO::BIND_SPECIAL_DYLIB_FLAT_LOOKUP:
8611 return "flat-namespace";
8614 std::error_code EC =
8615 Obj->getLibraryShortNameByIndex(Ordinal - 1, DylibName);
8617 return "<<bad library ordinal>>";
8621 return "<<unknown special ordinal>>";
8624 //===----------------------------------------------------------------------===//
8625 // bind table dumping
8626 //===----------------------------------------------------------------------===//
8628 void llvm::printMachOBindTable(const object::MachOObjectFile *Obj) {
8629 // Build table of sections so names can used in final output.
8630 SegInfo sectionTable(Obj);
8632 outs() << "segment section address type "
8633 "addend dylib symbol\n";
8634 for (const llvm::object::MachOBindEntry &Entry : Obj->bindTable()) {
8635 uint32_t SegIndex = Entry.segmentIndex();
8636 uint64_t OffsetInSeg = Entry.segmentOffset();
8637 StringRef SegmentName = sectionTable.segmentName(SegIndex);
8638 StringRef SectionName = sectionTable.sectionName(SegIndex, OffsetInSeg);
8639 uint64_t Address = sectionTable.address(SegIndex, OffsetInSeg);
8641 // Table lines look like:
8642 // __DATA __got 0x00012010 pointer 0 libSystem ___stack_chk_guard
8644 if (Entry.flags() & MachO::BIND_SYMBOL_FLAGS_WEAK_IMPORT)
8645 Attr = " (weak_import)";
8646 outs() << left_justify(SegmentName, 8) << " "
8647 << left_justify(SectionName, 18) << " "
8648 << format_hex(Address, 10, true) << " "
8649 << left_justify(Entry.typeName(), 8) << " "
8650 << format_decimal(Entry.addend(), 8) << " "
8651 << left_justify(ordinalName(Obj, Entry.ordinal()), 16) << " "
8652 << Entry.symbolName() << Attr << "\n";
8656 //===----------------------------------------------------------------------===//
8657 // lazy bind table dumping
8658 //===----------------------------------------------------------------------===//
8660 void llvm::printMachOLazyBindTable(const object::MachOObjectFile *Obj) {
8661 // Build table of sections so names can used in final output.
8662 SegInfo sectionTable(Obj);
8664 outs() << "segment section address "
8666 for (const llvm::object::MachOBindEntry &Entry : Obj->lazyBindTable()) {
8667 uint32_t SegIndex = Entry.segmentIndex();
8668 uint64_t OffsetInSeg = Entry.segmentOffset();
8669 StringRef SegmentName = sectionTable.segmentName(SegIndex);
8670 StringRef SectionName = sectionTable.sectionName(SegIndex, OffsetInSeg);
8671 uint64_t Address = sectionTable.address(SegIndex, OffsetInSeg);
8673 // Table lines look like:
8674 // __DATA __got 0x00012010 libSystem ___stack_chk_guard
8675 outs() << left_justify(SegmentName, 8) << " "
8676 << left_justify(SectionName, 18) << " "
8677 << format_hex(Address, 10, true) << " "
8678 << left_justify(ordinalName(Obj, Entry.ordinal()), 16) << " "
8679 << Entry.symbolName() << "\n";
8683 //===----------------------------------------------------------------------===//
8684 // weak bind table dumping
8685 //===----------------------------------------------------------------------===//
8687 void llvm::printMachOWeakBindTable(const object::MachOObjectFile *Obj) {
8688 // Build table of sections so names can used in final output.
8689 SegInfo sectionTable(Obj);
8691 outs() << "segment section address "
8692 "type addend symbol\n";
8693 for (const llvm::object::MachOBindEntry &Entry : Obj->weakBindTable()) {
8694 // Strong symbols don't have a location to update.
8695 if (Entry.flags() & MachO::BIND_SYMBOL_FLAGS_NON_WEAK_DEFINITION) {
8696 outs() << " strong "
8697 << Entry.symbolName() << "\n";
8700 uint32_t SegIndex = Entry.segmentIndex();
8701 uint64_t OffsetInSeg = Entry.segmentOffset();
8702 StringRef SegmentName = sectionTable.segmentName(SegIndex);
8703 StringRef SectionName = sectionTable.sectionName(SegIndex, OffsetInSeg);
8704 uint64_t Address = sectionTable.address(SegIndex, OffsetInSeg);
8706 // Table lines look like:
8707 // __DATA __data 0x00001000 pointer 0 _foo
8708 outs() << left_justify(SegmentName, 8) << " "
8709 << left_justify(SectionName, 18) << " "
8710 << format_hex(Address, 10, true) << " "
8711 << left_justify(Entry.typeName(), 8) << " "
8712 << format_decimal(Entry.addend(), 8) << " " << Entry.symbolName()
8717 // get_dyld_bind_info_symbolname() is used for disassembly and passed an
8718 // address, ReferenceValue, in the Mach-O file and looks in the dyld bind
8719 // information for that address. If the address is found its binding symbol
8720 // name is returned. If not nullptr is returned.
8721 static const char *get_dyld_bind_info_symbolname(uint64_t ReferenceValue,
8722 struct DisassembleInfo *info) {
8723 if (info->bindtable == nullptr) {
8724 info->bindtable = new (BindTable);
8725 SegInfo sectionTable(info->O);
8726 for (const llvm::object::MachOBindEntry &Entry : info->O->bindTable()) {
8727 uint32_t SegIndex = Entry.segmentIndex();
8728 uint64_t OffsetInSeg = Entry.segmentOffset();
8729 if (!sectionTable.isValidSegIndexAndOffset(SegIndex, OffsetInSeg))
8731 uint64_t Address = sectionTable.address(SegIndex, OffsetInSeg);
8732 const char *SymbolName = nullptr;
8733 StringRef name = Entry.symbolName();
8735 SymbolName = name.data();
8736 info->bindtable->push_back(std::make_pair(Address, SymbolName));
8739 for (bind_table_iterator BI = info->bindtable->begin(),
8740 BE = info->bindtable->end();
8742 uint64_t Address = BI->first;
8743 if (ReferenceValue == Address) {
8744 const char *SymbolName = BI->second;