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);
1199 if (PrivateHeaders) {
1200 printMachOFileHeader(MachOOF);
1201 printMachOLoadCommands(MachOOF);
1203 if (FirstPrivateHeader)
1204 printMachOFileHeader(MachOOF);
1206 printObjcMetaData(MachOOF, !NonVerbose);
1208 printExportsTrie(MachOOF);
1210 printRebaseTable(MachOOF);
1212 printBindTable(MachOOF);
1214 printLazyBindTable(MachOOF);
1216 printWeakBindTable(MachOOF);
1219 // printUnknownCPUType() helps print_fat_headers for unknown CPU's.
1220 static void printUnknownCPUType(uint32_t cputype, uint32_t cpusubtype) {
1221 outs() << " cputype (" << cputype << ")\n";
1222 outs() << " cpusubtype (" << cpusubtype << ")\n";
1225 // printCPUType() helps print_fat_headers by printing the cputype and
1226 // pusubtype (symbolically for the one's it knows about).
1227 static void printCPUType(uint32_t cputype, uint32_t cpusubtype) {
1229 case MachO::CPU_TYPE_I386:
1230 switch (cpusubtype) {
1231 case MachO::CPU_SUBTYPE_I386_ALL:
1232 outs() << " cputype CPU_TYPE_I386\n";
1233 outs() << " cpusubtype CPU_SUBTYPE_I386_ALL\n";
1236 printUnknownCPUType(cputype, cpusubtype);
1240 case MachO::CPU_TYPE_X86_64:
1241 switch (cpusubtype) {
1242 case MachO::CPU_SUBTYPE_X86_64_ALL:
1243 outs() << " cputype CPU_TYPE_X86_64\n";
1244 outs() << " cpusubtype CPU_SUBTYPE_X86_64_ALL\n";
1246 case MachO::CPU_SUBTYPE_X86_64_H:
1247 outs() << " cputype CPU_TYPE_X86_64\n";
1248 outs() << " cpusubtype CPU_SUBTYPE_X86_64_H\n";
1251 printUnknownCPUType(cputype, cpusubtype);
1255 case MachO::CPU_TYPE_ARM:
1256 switch (cpusubtype) {
1257 case MachO::CPU_SUBTYPE_ARM_ALL:
1258 outs() << " cputype CPU_TYPE_ARM\n";
1259 outs() << " cpusubtype CPU_SUBTYPE_ARM_ALL\n";
1261 case MachO::CPU_SUBTYPE_ARM_V4T:
1262 outs() << " cputype CPU_TYPE_ARM\n";
1263 outs() << " cpusubtype CPU_SUBTYPE_ARM_V4T\n";
1265 case MachO::CPU_SUBTYPE_ARM_V5TEJ:
1266 outs() << " cputype CPU_TYPE_ARM\n";
1267 outs() << " cpusubtype CPU_SUBTYPE_ARM_V5TEJ\n";
1269 case MachO::CPU_SUBTYPE_ARM_XSCALE:
1270 outs() << " cputype CPU_TYPE_ARM\n";
1271 outs() << " cpusubtype CPU_SUBTYPE_ARM_XSCALE\n";
1273 case MachO::CPU_SUBTYPE_ARM_V6:
1274 outs() << " cputype CPU_TYPE_ARM\n";
1275 outs() << " cpusubtype CPU_SUBTYPE_ARM_V6\n";
1277 case MachO::CPU_SUBTYPE_ARM_V6M:
1278 outs() << " cputype CPU_TYPE_ARM\n";
1279 outs() << " cpusubtype CPU_SUBTYPE_ARM_V6M\n";
1281 case MachO::CPU_SUBTYPE_ARM_V7:
1282 outs() << " cputype CPU_TYPE_ARM\n";
1283 outs() << " cpusubtype CPU_SUBTYPE_ARM_V7\n";
1285 case MachO::CPU_SUBTYPE_ARM_V7EM:
1286 outs() << " cputype CPU_TYPE_ARM\n";
1287 outs() << " cpusubtype CPU_SUBTYPE_ARM_V7EM\n";
1289 case MachO::CPU_SUBTYPE_ARM_V7K:
1290 outs() << " cputype CPU_TYPE_ARM\n";
1291 outs() << " cpusubtype CPU_SUBTYPE_ARM_V7K\n";
1293 case MachO::CPU_SUBTYPE_ARM_V7M:
1294 outs() << " cputype CPU_TYPE_ARM\n";
1295 outs() << " cpusubtype CPU_SUBTYPE_ARM_V7M\n";
1297 case MachO::CPU_SUBTYPE_ARM_V7S:
1298 outs() << " cputype CPU_TYPE_ARM\n";
1299 outs() << " cpusubtype CPU_SUBTYPE_ARM_V7S\n";
1302 printUnknownCPUType(cputype, cpusubtype);
1306 case MachO::CPU_TYPE_ARM64:
1307 switch (cpusubtype & ~MachO::CPU_SUBTYPE_MASK) {
1308 case MachO::CPU_SUBTYPE_ARM64_ALL:
1309 outs() << " cputype CPU_TYPE_ARM64\n";
1310 outs() << " cpusubtype CPU_SUBTYPE_ARM64_ALL\n";
1313 printUnknownCPUType(cputype, cpusubtype);
1318 printUnknownCPUType(cputype, cpusubtype);
1323 static void printMachOUniversalHeaders(const object::MachOUniversalBinary *UB,
1325 outs() << "Fat headers\n";
1327 outs() << "fat_magic FAT_MAGIC\n";
1329 outs() << "fat_magic " << format("0x%" PRIx32, MachO::FAT_MAGIC) << "\n";
1331 uint32_t nfat_arch = UB->getNumberOfObjects();
1332 StringRef Buf = UB->getData();
1333 uint64_t size = Buf.size();
1334 uint64_t big_size = sizeof(struct MachO::fat_header) +
1335 nfat_arch * sizeof(struct MachO::fat_arch);
1336 outs() << "nfat_arch " << UB->getNumberOfObjects();
1338 outs() << " (malformed, contains zero architecture types)\n";
1339 else if (big_size > size)
1340 outs() << " (malformed, architectures past end of file)\n";
1344 for (uint32_t i = 0; i < nfat_arch; ++i) {
1345 MachOUniversalBinary::ObjectForArch OFA(UB, i);
1346 uint32_t cputype = OFA.getCPUType();
1347 uint32_t cpusubtype = OFA.getCPUSubType();
1348 outs() << "architecture ";
1349 for (uint32_t j = 0; i != 0 && j <= i - 1; j++) {
1350 MachOUniversalBinary::ObjectForArch other_OFA(UB, j);
1351 uint32_t other_cputype = other_OFA.getCPUType();
1352 uint32_t other_cpusubtype = other_OFA.getCPUSubType();
1353 if (cputype != 0 && cpusubtype != 0 && cputype == other_cputype &&
1354 (cpusubtype & ~MachO::CPU_SUBTYPE_MASK) ==
1355 (other_cpusubtype & ~MachO::CPU_SUBTYPE_MASK)) {
1356 outs() << "(illegal duplicate architecture) ";
1361 outs() << OFA.getArchTypeName() << "\n";
1362 printCPUType(cputype, cpusubtype & ~MachO::CPU_SUBTYPE_MASK);
1364 outs() << i << "\n";
1365 outs() << " cputype " << cputype << "\n";
1366 outs() << " cpusubtype " << (cpusubtype & ~MachO::CPU_SUBTYPE_MASK)
1370 (cpusubtype & MachO::CPU_SUBTYPE_MASK) == MachO::CPU_SUBTYPE_LIB64)
1371 outs() << " capabilities CPU_SUBTYPE_LIB64\n";
1373 outs() << " capabilities "
1374 << format("0x%" PRIx32,
1375 (cpusubtype & MachO::CPU_SUBTYPE_MASK) >> 24) << "\n";
1376 outs() << " offset " << OFA.getOffset();
1377 if (OFA.getOffset() > size)
1378 outs() << " (past end of file)";
1379 if (OFA.getOffset() % (1 << OFA.getAlign()) != 0)
1380 outs() << " (not aligned on it's alignment (2^" << OFA.getAlign() << ")";
1382 outs() << " size " << OFA.getSize();
1383 big_size = OFA.getOffset() + OFA.getSize();
1384 if (big_size > size)
1385 outs() << " (past end of file)";
1387 outs() << " align 2^" << OFA.getAlign() << " (" << (1 << OFA.getAlign())
1392 static void printArchiveChild(const Archive::Child &C, bool verbose,
1393 bool print_offset) {
1395 outs() << C.getChildOffset() << "\t";
1396 sys::fs::perms Mode = C.getAccessMode();
1398 // FIXME: this first dash, "-", is for (Mode & S_IFMT) == S_IFREG.
1399 // But there is nothing in sys::fs::perms for S_IFMT or S_IFREG.
1401 outs() << ((Mode & sys::fs::owner_read) ? "r" : "-");
1402 outs() << ((Mode & sys::fs::owner_write) ? "w" : "-");
1403 outs() << ((Mode & sys::fs::owner_exe) ? "x" : "-");
1404 outs() << ((Mode & sys::fs::group_read) ? "r" : "-");
1405 outs() << ((Mode & sys::fs::group_write) ? "w" : "-");
1406 outs() << ((Mode & sys::fs::group_exe) ? "x" : "-");
1407 outs() << ((Mode & sys::fs::others_read) ? "r" : "-");
1408 outs() << ((Mode & sys::fs::others_write) ? "w" : "-");
1409 outs() << ((Mode & sys::fs::others_exe) ? "x" : "-");
1411 outs() << format("0%o ", Mode);
1414 unsigned UID = C.getUID();
1415 outs() << format("%3d/", UID);
1416 unsigned GID = C.getGID();
1417 outs() << format("%-3d ", GID);
1418 ErrorOr<uint64_t> Size = C.getRawSize();
1419 if (std::error_code EC = Size.getError())
1420 report_fatal_error(EC.message());
1421 outs() << format("%5" PRId64, Size.get()) << " ";
1423 StringRef RawLastModified = C.getRawLastModified();
1426 if (RawLastModified.getAsInteger(10, Seconds))
1427 outs() << "(date: \"%s\" contains non-decimal chars) " << RawLastModified;
1429 // Since cime(3) returns a 26 character string of the form:
1430 // "Sun Sep 16 01:03:52 1973\n\0"
1431 // just print 24 characters.
1433 outs() << format("%.24s ", ctime(&t));
1436 outs() << RawLastModified << " ";
1440 ErrorOr<StringRef> NameOrErr = C.getName();
1441 if (NameOrErr.getError()) {
1442 StringRef RawName = C.getRawName();
1443 outs() << RawName << "\n";
1445 StringRef Name = NameOrErr.get();
1446 outs() << Name << "\n";
1449 StringRef RawName = C.getRawName();
1450 outs() << RawName << "\n";
1454 static void printArchiveHeaders(Archive *A, bool verbose, bool print_offset) {
1455 for (Archive::child_iterator I = A->child_begin(false), E = A->child_end();
1457 if (std::error_code EC = I->getError())
1458 report_fatal_error(EC.message());
1459 const Archive::Child &C = **I;
1460 printArchiveChild(C, verbose, print_offset);
1464 // ParseInputMachO() parses the named Mach-O file in Filename and handles the
1465 // -arch flags selecting just those slices as specified by them and also parses
1466 // archive files. Then for each individual Mach-O file ProcessMachO() is
1467 // called to process the file based on the command line options.
1468 void llvm::ParseInputMachO(StringRef Filename) {
1469 // Check for -arch all and verifiy the -arch flags are valid.
1470 for (unsigned i = 0; i < ArchFlags.size(); ++i) {
1471 if (ArchFlags[i] == "all") {
1474 if (!MachOObjectFile::isValidArch(ArchFlags[i])) {
1475 errs() << "llvm-objdump: Unknown architecture named '" + ArchFlags[i] +
1476 "'for the -arch option\n";
1482 // Attempt to open the binary.
1483 ErrorOr<OwningBinary<Binary>> BinaryOrErr = createBinary(Filename);
1484 if (std::error_code EC = BinaryOrErr.getError())
1485 report_error(Filename, EC);
1486 Binary &Bin = *BinaryOrErr.get().getBinary();
1488 if (Archive *A = dyn_cast<Archive>(&Bin)) {
1489 outs() << "Archive : " << Filename << "\n";
1491 printArchiveHeaders(A, !NonVerbose, ArchiveMemberOffsets);
1492 for (Archive::child_iterator I = A->child_begin(), E = A->child_end();
1494 if (std::error_code EC = I->getError())
1495 report_error(Filename, EC);
1497 ErrorOr<std::unique_ptr<Binary>> ChildOrErr = C.getAsBinary();
1498 if (ChildOrErr.getError())
1500 if (MachOObjectFile *O = dyn_cast<MachOObjectFile>(&*ChildOrErr.get())) {
1501 if (!checkMachOAndArchFlags(O, Filename))
1503 ProcessMachO(Filename, O, O->getFileName());
1508 if (UniversalHeaders) {
1509 if (MachOUniversalBinary *UB = dyn_cast<MachOUniversalBinary>(&Bin))
1510 printMachOUniversalHeaders(UB, !NonVerbose);
1512 if (MachOUniversalBinary *UB = dyn_cast<MachOUniversalBinary>(&Bin)) {
1513 // If we have a list of architecture flags specified dump only those.
1514 if (!ArchAll && ArchFlags.size() != 0) {
1515 // Look for a slice in the universal binary that matches each ArchFlag.
1517 for (unsigned i = 0; i < ArchFlags.size(); ++i) {
1519 for (MachOUniversalBinary::object_iterator I = UB->begin_objects(),
1520 E = UB->end_objects();
1522 if (ArchFlags[i] == I->getArchTypeName()) {
1524 ErrorOr<std::unique_ptr<ObjectFile>> ObjOrErr =
1525 I->getAsObjectFile();
1526 std::string ArchitectureName = "";
1527 if (ArchFlags.size() > 1)
1528 ArchitectureName = I->getArchTypeName();
1530 ObjectFile &O = *ObjOrErr.get();
1531 if (MachOObjectFile *MachOOF = dyn_cast<MachOObjectFile>(&O))
1532 ProcessMachO(Filename, MachOOF, "", ArchitectureName);
1533 } else if (ErrorOr<std::unique_ptr<Archive>> AOrErr =
1534 I->getAsArchive()) {
1535 std::unique_ptr<Archive> &A = *AOrErr;
1536 outs() << "Archive : " << Filename;
1537 if (!ArchitectureName.empty())
1538 outs() << " (architecture " << ArchitectureName << ")";
1541 printArchiveHeaders(A.get(), !NonVerbose, ArchiveMemberOffsets);
1542 for (Archive::child_iterator AI = A->child_begin(),
1543 AE = A->child_end();
1545 if (std::error_code EC = AI->getError())
1546 report_error(Filename, EC);
1547 auto &C = AI->get();
1548 ErrorOr<std::unique_ptr<Binary>> ChildOrErr = C.getAsBinary();
1549 if (ChildOrErr.getError())
1551 if (MachOObjectFile *O =
1552 dyn_cast<MachOObjectFile>(&*ChildOrErr.get()))
1553 ProcessMachO(Filename, O, O->getFileName(), ArchitectureName);
1559 errs() << "llvm-objdump: file: " + Filename + " does not contain "
1560 << "architecture: " + ArchFlags[i] + "\n";
1566 // No architecture flags were specified so if this contains a slice that
1567 // matches the host architecture dump only that.
1569 for (MachOUniversalBinary::object_iterator I = UB->begin_objects(),
1570 E = UB->end_objects();
1572 if (MachOObjectFile::getHostArch().getArchName() ==
1573 I->getArchTypeName()) {
1574 ErrorOr<std::unique_ptr<ObjectFile>> ObjOrErr = I->getAsObjectFile();
1575 std::string ArchiveName;
1576 ArchiveName.clear();
1578 ObjectFile &O = *ObjOrErr.get();
1579 if (MachOObjectFile *MachOOF = dyn_cast<MachOObjectFile>(&O))
1580 ProcessMachO(Filename, MachOOF);
1581 } else if (ErrorOr<std::unique_ptr<Archive>> AOrErr =
1582 I->getAsArchive()) {
1583 std::unique_ptr<Archive> &A = *AOrErr;
1584 outs() << "Archive : " << Filename << "\n";
1586 printArchiveHeaders(A.get(), !NonVerbose, ArchiveMemberOffsets);
1587 for (Archive::child_iterator AI = A->child_begin(),
1588 AE = A->child_end();
1590 if (std::error_code EC = AI->getError())
1591 report_error(Filename, EC);
1592 auto &C = AI->get();
1593 ErrorOr<std::unique_ptr<Binary>> ChildOrErr = C.getAsBinary();
1594 if (ChildOrErr.getError())
1596 if (MachOObjectFile *O =
1597 dyn_cast<MachOObjectFile>(&*ChildOrErr.get()))
1598 ProcessMachO(Filename, O, O->getFileName());
1605 // Either all architectures have been specified or none have been specified
1606 // and this does not contain the host architecture so dump all the slices.
1607 bool moreThanOneArch = UB->getNumberOfObjects() > 1;
1608 for (MachOUniversalBinary::object_iterator I = UB->begin_objects(),
1609 E = UB->end_objects();
1611 ErrorOr<std::unique_ptr<ObjectFile>> ObjOrErr = I->getAsObjectFile();
1612 std::string ArchitectureName = "";
1613 if (moreThanOneArch)
1614 ArchitectureName = I->getArchTypeName();
1616 ObjectFile &Obj = *ObjOrErr.get();
1617 if (MachOObjectFile *MachOOF = dyn_cast<MachOObjectFile>(&Obj))
1618 ProcessMachO(Filename, MachOOF, "", ArchitectureName);
1619 } else if (ErrorOr<std::unique_ptr<Archive>> AOrErr = I->getAsArchive()) {
1620 std::unique_ptr<Archive> &A = *AOrErr;
1621 outs() << "Archive : " << Filename;
1622 if (!ArchitectureName.empty())
1623 outs() << " (architecture " << ArchitectureName << ")";
1626 printArchiveHeaders(A.get(), !NonVerbose, ArchiveMemberOffsets);
1627 for (Archive::child_iterator AI = A->child_begin(), AE = A->child_end();
1629 if (std::error_code EC = AI->getError())
1630 report_error(Filename, EC);
1631 auto &C = AI->get();
1632 ErrorOr<std::unique_ptr<Binary>> ChildOrErr = C.getAsBinary();
1633 if (ChildOrErr.getError())
1635 if (MachOObjectFile *O =
1636 dyn_cast<MachOObjectFile>(&*ChildOrErr.get())) {
1637 if (MachOObjectFile *MachOOF = dyn_cast<MachOObjectFile>(O))
1638 ProcessMachO(Filename, MachOOF, MachOOF->getFileName(),
1646 if (ObjectFile *O = dyn_cast<ObjectFile>(&Bin)) {
1647 if (!checkMachOAndArchFlags(O, Filename))
1649 if (MachOObjectFile *MachOOF = dyn_cast<MachOObjectFile>(&*O)) {
1650 ProcessMachO(Filename, MachOOF);
1652 errs() << "llvm-objdump: '" << Filename << "': "
1653 << "Object is not a Mach-O file type.\n";
1655 report_error(Filename, object_error::invalid_file_type);
1658 typedef std::pair<uint64_t, const char *> BindInfoEntry;
1659 typedef std::vector<BindInfoEntry> BindTable;
1660 typedef BindTable::iterator bind_table_iterator;
1662 // The block of info used by the Symbolizer call backs.
1663 struct DisassembleInfo {
1667 SymbolAddressMap *AddrMap;
1668 std::vector<SectionRef> *Sections;
1669 const char *class_name;
1670 const char *selector_name;
1672 char *demangled_name;
1675 BindTable *bindtable;
1679 // SymbolizerGetOpInfo() is the operand information call back function.
1680 // This is called to get the symbolic information for operand(s) of an
1681 // instruction when it is being done. This routine does this from
1682 // the relocation information, symbol table, etc. That block of information
1683 // is a pointer to the struct DisassembleInfo that was passed when the
1684 // disassembler context was created and passed to back to here when
1685 // called back by the disassembler for instruction operands that could have
1686 // relocation information. The address of the instruction containing operand is
1687 // at the Pc parameter. The immediate value the operand has is passed in
1688 // op_info->Value and is at Offset past the start of the instruction and has a
1689 // byte Size of 1, 2 or 4. The symbolc information is returned in TagBuf is the
1690 // LLVMOpInfo1 struct defined in the header "llvm-c/Disassembler.h" as symbol
1691 // names and addends of the symbolic expression to add for the operand. The
1692 // value of TagType is currently 1 (for the LLVMOpInfo1 struct). If symbolic
1693 // information is returned then this function returns 1 else it returns 0.
1694 static int SymbolizerGetOpInfo(void *DisInfo, uint64_t Pc, uint64_t Offset,
1695 uint64_t Size, int TagType, void *TagBuf) {
1696 struct DisassembleInfo *info = (struct DisassembleInfo *)DisInfo;
1697 struct LLVMOpInfo1 *op_info = (struct LLVMOpInfo1 *)TagBuf;
1698 uint64_t value = op_info->Value;
1700 // Make sure all fields returned are zero if we don't set them.
1701 memset((void *)op_info, '\0', sizeof(struct LLVMOpInfo1));
1702 op_info->Value = value;
1704 // If the TagType is not the value 1 which it code knows about or if no
1705 // verbose symbolic information is wanted then just return 0, indicating no
1706 // information is being returned.
1707 if (TagType != 1 || !info->verbose)
1710 unsigned int Arch = info->O->getArch();
1711 if (Arch == Triple::x86) {
1712 if (Size != 1 && Size != 2 && Size != 4 && Size != 0)
1714 if (info->O->getHeader().filetype != MachO::MH_OBJECT) {
1716 // Search the external relocation entries of a fully linked image
1717 // (if any) for an entry that matches this segment offset.
1718 // uint32_t seg_offset = (Pc + Offset);
1721 // In MH_OBJECT filetypes search the section's relocation entries (if any)
1722 // for an entry for this section offset.
1723 uint32_t sect_addr = info->S.getAddress();
1724 uint32_t sect_offset = (Pc + Offset) - sect_addr;
1725 bool reloc_found = false;
1727 MachO::any_relocation_info RE;
1728 bool isExtern = false;
1730 bool r_scattered = false;
1731 uint32_t r_value, pair_r_value, r_type;
1732 for (const RelocationRef &Reloc : info->S.relocations()) {
1733 uint64_t RelocOffset = Reloc.getOffset();
1734 if (RelocOffset == sect_offset) {
1735 Rel = Reloc.getRawDataRefImpl();
1736 RE = info->O->getRelocation(Rel);
1737 r_type = info->O->getAnyRelocationType(RE);
1738 r_scattered = info->O->isRelocationScattered(RE);
1740 r_value = info->O->getScatteredRelocationValue(RE);
1741 if (r_type == MachO::GENERIC_RELOC_SECTDIFF ||
1742 r_type == MachO::GENERIC_RELOC_LOCAL_SECTDIFF) {
1743 DataRefImpl RelNext = Rel;
1744 info->O->moveRelocationNext(RelNext);
1745 MachO::any_relocation_info RENext;
1746 RENext = info->O->getRelocation(RelNext);
1747 if (info->O->isRelocationScattered(RENext))
1748 pair_r_value = info->O->getScatteredRelocationValue(RENext);
1753 isExtern = info->O->getPlainRelocationExternal(RE);
1755 symbol_iterator RelocSym = Reloc.getSymbol();
1763 if (reloc_found && isExtern) {
1764 ErrorOr<StringRef> SymName = Symbol.getName();
1765 if (std::error_code EC = SymName.getError())
1766 report_fatal_error(EC.message());
1767 const char *name = SymName->data();
1768 op_info->AddSymbol.Present = 1;
1769 op_info->AddSymbol.Name = name;
1770 // For i386 extern relocation entries the value in the instruction is
1771 // the offset from the symbol, and value is already set in op_info->Value.
1774 if (reloc_found && (r_type == MachO::GENERIC_RELOC_SECTDIFF ||
1775 r_type == MachO::GENERIC_RELOC_LOCAL_SECTDIFF)) {
1776 const char *add = GuessSymbolName(r_value, info->AddrMap);
1777 const char *sub = GuessSymbolName(pair_r_value, info->AddrMap);
1778 uint32_t offset = value - (r_value - pair_r_value);
1779 op_info->AddSymbol.Present = 1;
1781 op_info->AddSymbol.Name = add;
1783 op_info->AddSymbol.Value = r_value;
1784 op_info->SubtractSymbol.Present = 1;
1786 op_info->SubtractSymbol.Name = sub;
1788 op_info->SubtractSymbol.Value = pair_r_value;
1789 op_info->Value = offset;
1794 if (Arch == Triple::x86_64) {
1795 if (Size != 1 && Size != 2 && Size != 4 && Size != 0)
1797 if (info->O->getHeader().filetype != MachO::MH_OBJECT) {
1799 // Search the external relocation entries of a fully linked image
1800 // (if any) for an entry that matches this segment offset.
1801 // uint64_t seg_offset = (Pc + Offset);
1804 // In MH_OBJECT filetypes search the section's relocation entries (if any)
1805 // for an entry for this section offset.
1806 uint64_t sect_addr = info->S.getAddress();
1807 uint64_t sect_offset = (Pc + Offset) - sect_addr;
1808 bool reloc_found = false;
1810 MachO::any_relocation_info RE;
1811 bool isExtern = false;
1813 for (const RelocationRef &Reloc : info->S.relocations()) {
1814 uint64_t RelocOffset = Reloc.getOffset();
1815 if (RelocOffset == sect_offset) {
1816 Rel = Reloc.getRawDataRefImpl();
1817 RE = info->O->getRelocation(Rel);
1818 // NOTE: Scattered relocations don't exist on x86_64.
1819 isExtern = info->O->getPlainRelocationExternal(RE);
1821 symbol_iterator RelocSym = Reloc.getSymbol();
1828 if (reloc_found && isExtern) {
1829 // The Value passed in will be adjusted by the Pc if the instruction
1830 // adds the Pc. But for x86_64 external relocation entries the Value
1831 // is the offset from the external symbol.
1832 if (info->O->getAnyRelocationPCRel(RE))
1833 op_info->Value -= Pc + Offset + Size;
1834 ErrorOr<StringRef> SymName = Symbol.getName();
1835 if (std::error_code EC = SymName.getError())
1836 report_fatal_error(EC.message());
1837 const char *name = SymName->data();
1838 unsigned Type = info->O->getAnyRelocationType(RE);
1839 if (Type == MachO::X86_64_RELOC_SUBTRACTOR) {
1840 DataRefImpl RelNext = Rel;
1841 info->O->moveRelocationNext(RelNext);
1842 MachO::any_relocation_info RENext = info->O->getRelocation(RelNext);
1843 unsigned TypeNext = info->O->getAnyRelocationType(RENext);
1844 bool isExternNext = info->O->getPlainRelocationExternal(RENext);
1845 unsigned SymbolNum = info->O->getPlainRelocationSymbolNum(RENext);
1846 if (TypeNext == MachO::X86_64_RELOC_UNSIGNED && isExternNext) {
1847 op_info->SubtractSymbol.Present = 1;
1848 op_info->SubtractSymbol.Name = name;
1849 symbol_iterator RelocSymNext = info->O->getSymbolByIndex(SymbolNum);
1850 Symbol = *RelocSymNext;
1851 ErrorOr<StringRef> SymNameNext = Symbol.getName();
1852 if (std::error_code EC = SymNameNext.getError())
1853 report_fatal_error(EC.message());
1854 name = SymNameNext->data();
1857 // TODO: add the VariantKinds to op_info->VariantKind for relocation types
1858 // like: X86_64_RELOC_TLV, X86_64_RELOC_GOT_LOAD and X86_64_RELOC_GOT.
1859 op_info->AddSymbol.Present = 1;
1860 op_info->AddSymbol.Name = name;
1865 if (Arch == Triple::arm) {
1866 if (Offset != 0 || (Size != 4 && Size != 2))
1868 if (info->O->getHeader().filetype != MachO::MH_OBJECT) {
1870 // Search the external relocation entries of a fully linked image
1871 // (if any) for an entry that matches this segment offset.
1872 // uint32_t seg_offset = (Pc + Offset);
1875 // In MH_OBJECT filetypes search the section's relocation entries (if any)
1876 // for an entry for this section offset.
1877 uint32_t sect_addr = info->S.getAddress();
1878 uint32_t sect_offset = (Pc + Offset) - sect_addr;
1880 MachO::any_relocation_info RE;
1881 bool isExtern = false;
1883 bool r_scattered = false;
1884 uint32_t r_value, pair_r_value, r_type, r_length, other_half;
1886 std::find_if(info->S.relocations().begin(), info->S.relocations().end(),
1887 [&](const RelocationRef &Reloc) {
1888 uint64_t RelocOffset = Reloc.getOffset();
1889 return RelocOffset == sect_offset;
1892 if (Reloc == info->S.relocations().end())
1895 Rel = Reloc->getRawDataRefImpl();
1896 RE = info->O->getRelocation(Rel);
1897 r_length = info->O->getAnyRelocationLength(RE);
1898 r_scattered = info->O->isRelocationScattered(RE);
1900 r_value = info->O->getScatteredRelocationValue(RE);
1901 r_type = info->O->getScatteredRelocationType(RE);
1903 r_type = info->O->getAnyRelocationType(RE);
1904 isExtern = info->O->getPlainRelocationExternal(RE);
1906 symbol_iterator RelocSym = Reloc->getSymbol();
1910 if (r_type == MachO::ARM_RELOC_HALF ||
1911 r_type == MachO::ARM_RELOC_SECTDIFF ||
1912 r_type == MachO::ARM_RELOC_LOCAL_SECTDIFF ||
1913 r_type == MachO::ARM_RELOC_HALF_SECTDIFF) {
1914 DataRefImpl RelNext = Rel;
1915 info->O->moveRelocationNext(RelNext);
1916 MachO::any_relocation_info RENext;
1917 RENext = info->O->getRelocation(RelNext);
1918 other_half = info->O->getAnyRelocationAddress(RENext) & 0xffff;
1919 if (info->O->isRelocationScattered(RENext))
1920 pair_r_value = info->O->getScatteredRelocationValue(RENext);
1924 ErrorOr<StringRef> SymName = Symbol.getName();
1925 if (std::error_code EC = SymName.getError())
1926 report_fatal_error(EC.message());
1927 const char *name = SymName->data();
1928 op_info->AddSymbol.Present = 1;
1929 op_info->AddSymbol.Name = name;
1931 case MachO::ARM_RELOC_HALF:
1932 if ((r_length & 0x1) == 1) {
1933 op_info->Value = value << 16 | other_half;
1934 op_info->VariantKind = LLVMDisassembler_VariantKind_ARM_HI16;
1936 op_info->Value = other_half << 16 | value;
1937 op_info->VariantKind = LLVMDisassembler_VariantKind_ARM_LO16;
1945 // If we have a branch that is not an external relocation entry then
1946 // return 0 so the code in tryAddingSymbolicOperand() can use the
1947 // SymbolLookUp call back with the branch target address to look up the
1948 // symbol and possiblity add an annotation for a symbol stub.
1949 if (isExtern == 0 && (r_type == MachO::ARM_RELOC_BR24 ||
1950 r_type == MachO::ARM_THUMB_RELOC_BR22))
1953 uint32_t offset = 0;
1954 if (r_type == MachO::ARM_RELOC_HALF ||
1955 r_type == MachO::ARM_RELOC_HALF_SECTDIFF) {
1956 if ((r_length & 0x1) == 1)
1957 value = value << 16 | other_half;
1959 value = other_half << 16 | value;
1961 if (r_scattered && (r_type != MachO::ARM_RELOC_HALF &&
1962 r_type != MachO::ARM_RELOC_HALF_SECTDIFF)) {
1963 offset = value - r_value;
1967 if (r_type == MachO::ARM_RELOC_HALF_SECTDIFF) {
1968 if ((r_length & 0x1) == 1)
1969 op_info->VariantKind = LLVMDisassembler_VariantKind_ARM_HI16;
1971 op_info->VariantKind = LLVMDisassembler_VariantKind_ARM_LO16;
1972 const char *add = GuessSymbolName(r_value, info->AddrMap);
1973 const char *sub = GuessSymbolName(pair_r_value, info->AddrMap);
1974 int32_t offset = value - (r_value - pair_r_value);
1975 op_info->AddSymbol.Present = 1;
1977 op_info->AddSymbol.Name = add;
1979 op_info->AddSymbol.Value = r_value;
1980 op_info->SubtractSymbol.Present = 1;
1982 op_info->SubtractSymbol.Name = sub;
1984 op_info->SubtractSymbol.Value = pair_r_value;
1985 op_info->Value = offset;
1989 op_info->AddSymbol.Present = 1;
1990 op_info->Value = offset;
1991 if (r_type == MachO::ARM_RELOC_HALF) {
1992 if ((r_length & 0x1) == 1)
1993 op_info->VariantKind = LLVMDisassembler_VariantKind_ARM_HI16;
1995 op_info->VariantKind = LLVMDisassembler_VariantKind_ARM_LO16;
1997 const char *add = GuessSymbolName(value, info->AddrMap);
1998 if (add != nullptr) {
1999 op_info->AddSymbol.Name = add;
2002 op_info->AddSymbol.Value = value;
2005 if (Arch == Triple::aarch64) {
2006 if (Offset != 0 || Size != 4)
2008 if (info->O->getHeader().filetype != MachO::MH_OBJECT) {
2010 // Search the external relocation entries of a fully linked image
2011 // (if any) for an entry that matches this segment offset.
2012 // uint64_t seg_offset = (Pc + Offset);
2015 // In MH_OBJECT filetypes search the section's relocation entries (if any)
2016 // for an entry for this section offset.
2017 uint64_t sect_addr = info->S.getAddress();
2018 uint64_t sect_offset = (Pc + Offset) - sect_addr;
2020 std::find_if(info->S.relocations().begin(), info->S.relocations().end(),
2021 [&](const RelocationRef &Reloc) {
2022 uint64_t RelocOffset = Reloc.getOffset();
2023 return RelocOffset == sect_offset;
2026 if (Reloc == info->S.relocations().end())
2029 DataRefImpl Rel = Reloc->getRawDataRefImpl();
2030 MachO::any_relocation_info RE = info->O->getRelocation(Rel);
2031 uint32_t r_type = info->O->getAnyRelocationType(RE);
2032 if (r_type == MachO::ARM64_RELOC_ADDEND) {
2033 DataRefImpl RelNext = Rel;
2034 info->O->moveRelocationNext(RelNext);
2035 MachO::any_relocation_info RENext = info->O->getRelocation(RelNext);
2037 value = info->O->getPlainRelocationSymbolNum(RENext);
2038 op_info->Value = value;
2041 // NOTE: Scattered relocations don't exist on arm64.
2042 if (!info->O->getPlainRelocationExternal(RE))
2044 ErrorOr<StringRef> SymName = Reloc->getSymbol()->getName();
2045 if (std::error_code EC = SymName.getError())
2046 report_fatal_error(EC.message());
2047 const char *name = SymName->data();
2048 op_info->AddSymbol.Present = 1;
2049 op_info->AddSymbol.Name = name;
2052 case MachO::ARM64_RELOC_PAGE21:
2054 op_info->VariantKind = LLVMDisassembler_VariantKind_ARM64_PAGE;
2056 case MachO::ARM64_RELOC_PAGEOFF12:
2058 op_info->VariantKind = LLVMDisassembler_VariantKind_ARM64_PAGEOFF;
2060 case MachO::ARM64_RELOC_GOT_LOAD_PAGE21:
2062 op_info->VariantKind = LLVMDisassembler_VariantKind_ARM64_GOTPAGE;
2064 case MachO::ARM64_RELOC_GOT_LOAD_PAGEOFF12:
2066 op_info->VariantKind = LLVMDisassembler_VariantKind_ARM64_GOTPAGEOFF;
2068 case MachO::ARM64_RELOC_TLVP_LOAD_PAGE21:
2069 /* @tvlppage is not implemented in llvm-mc */
2070 op_info->VariantKind = LLVMDisassembler_VariantKind_ARM64_TLVP;
2072 case MachO::ARM64_RELOC_TLVP_LOAD_PAGEOFF12:
2073 /* @tvlppageoff is not implemented in llvm-mc */
2074 op_info->VariantKind = LLVMDisassembler_VariantKind_ARM64_TLVOFF;
2077 case MachO::ARM64_RELOC_BRANCH26:
2078 op_info->VariantKind = LLVMDisassembler_VariantKind_None;
2086 // GuessCstringPointer is passed the address of what might be a pointer to a
2087 // literal string in a cstring section. If that address is in a cstring section
2088 // it returns a pointer to that string. Else it returns nullptr.
2089 static const char *GuessCstringPointer(uint64_t ReferenceValue,
2090 struct DisassembleInfo *info) {
2091 for (const auto &Load : info->O->load_commands()) {
2092 if (Load.C.cmd == MachO::LC_SEGMENT_64) {
2093 MachO::segment_command_64 Seg = info->O->getSegment64LoadCommand(Load);
2094 for (unsigned J = 0; J < Seg.nsects; ++J) {
2095 MachO::section_64 Sec = info->O->getSection64(Load, J);
2096 uint32_t section_type = Sec.flags & MachO::SECTION_TYPE;
2097 if (section_type == MachO::S_CSTRING_LITERALS &&
2098 ReferenceValue >= Sec.addr &&
2099 ReferenceValue < Sec.addr + Sec.size) {
2100 uint64_t sect_offset = ReferenceValue - Sec.addr;
2101 uint64_t object_offset = Sec.offset + sect_offset;
2102 StringRef MachOContents = info->O->getData();
2103 uint64_t object_size = MachOContents.size();
2104 const char *object_addr = (const char *)MachOContents.data();
2105 if (object_offset < object_size) {
2106 const char *name = object_addr + object_offset;
2113 } else if (Load.C.cmd == MachO::LC_SEGMENT) {
2114 MachO::segment_command Seg = info->O->getSegmentLoadCommand(Load);
2115 for (unsigned J = 0; J < Seg.nsects; ++J) {
2116 MachO::section Sec = info->O->getSection(Load, J);
2117 uint32_t section_type = Sec.flags & MachO::SECTION_TYPE;
2118 if (section_type == MachO::S_CSTRING_LITERALS &&
2119 ReferenceValue >= Sec.addr &&
2120 ReferenceValue < Sec.addr + Sec.size) {
2121 uint64_t sect_offset = ReferenceValue - Sec.addr;
2122 uint64_t object_offset = Sec.offset + sect_offset;
2123 StringRef MachOContents = info->O->getData();
2124 uint64_t object_size = MachOContents.size();
2125 const char *object_addr = (const char *)MachOContents.data();
2126 if (object_offset < object_size) {
2127 const char *name = object_addr + object_offset;
2139 // GuessIndirectSymbol returns the name of the indirect symbol for the
2140 // ReferenceValue passed in or nullptr. This is used when ReferenceValue maybe
2141 // an address of a symbol stub or a lazy or non-lazy pointer to associate the
2142 // symbol name being referenced by the stub or pointer.
2143 static const char *GuessIndirectSymbol(uint64_t ReferenceValue,
2144 struct DisassembleInfo *info) {
2145 MachO::dysymtab_command Dysymtab = info->O->getDysymtabLoadCommand();
2146 MachO::symtab_command Symtab = info->O->getSymtabLoadCommand();
2147 for (const auto &Load : info->O->load_commands()) {
2148 if (Load.C.cmd == MachO::LC_SEGMENT_64) {
2149 MachO::segment_command_64 Seg = info->O->getSegment64LoadCommand(Load);
2150 for (unsigned J = 0; J < Seg.nsects; ++J) {
2151 MachO::section_64 Sec = info->O->getSection64(Load, J);
2152 uint32_t section_type = Sec.flags & MachO::SECTION_TYPE;
2153 if ((section_type == MachO::S_NON_LAZY_SYMBOL_POINTERS ||
2154 section_type == MachO::S_LAZY_SYMBOL_POINTERS ||
2155 section_type == MachO::S_LAZY_DYLIB_SYMBOL_POINTERS ||
2156 section_type == MachO::S_THREAD_LOCAL_VARIABLE_POINTERS ||
2157 section_type == MachO::S_SYMBOL_STUBS) &&
2158 ReferenceValue >= Sec.addr &&
2159 ReferenceValue < Sec.addr + Sec.size) {
2161 if (section_type == MachO::S_SYMBOL_STUBS)
2162 stride = Sec.reserved2;
2167 uint32_t index = Sec.reserved1 + (ReferenceValue - Sec.addr) / stride;
2168 if (index < Dysymtab.nindirectsyms) {
2169 uint32_t indirect_symbol =
2170 info->O->getIndirectSymbolTableEntry(Dysymtab, index);
2171 if (indirect_symbol < Symtab.nsyms) {
2172 symbol_iterator Sym = info->O->getSymbolByIndex(indirect_symbol);
2173 SymbolRef Symbol = *Sym;
2174 ErrorOr<StringRef> SymName = Symbol.getName();
2175 if (std::error_code EC = SymName.getError())
2176 report_fatal_error(EC.message());
2177 const char *name = SymName->data();
2183 } else if (Load.C.cmd == MachO::LC_SEGMENT) {
2184 MachO::segment_command Seg = info->O->getSegmentLoadCommand(Load);
2185 for (unsigned J = 0; J < Seg.nsects; ++J) {
2186 MachO::section Sec = info->O->getSection(Load, J);
2187 uint32_t section_type = Sec.flags & MachO::SECTION_TYPE;
2188 if ((section_type == MachO::S_NON_LAZY_SYMBOL_POINTERS ||
2189 section_type == MachO::S_LAZY_SYMBOL_POINTERS ||
2190 section_type == MachO::S_LAZY_DYLIB_SYMBOL_POINTERS ||
2191 section_type == MachO::S_THREAD_LOCAL_VARIABLE_POINTERS ||
2192 section_type == MachO::S_SYMBOL_STUBS) &&
2193 ReferenceValue >= Sec.addr &&
2194 ReferenceValue < Sec.addr + Sec.size) {
2196 if (section_type == MachO::S_SYMBOL_STUBS)
2197 stride = Sec.reserved2;
2202 uint32_t index = Sec.reserved1 + (ReferenceValue - Sec.addr) / stride;
2203 if (index < Dysymtab.nindirectsyms) {
2204 uint32_t indirect_symbol =
2205 info->O->getIndirectSymbolTableEntry(Dysymtab, index);
2206 if (indirect_symbol < Symtab.nsyms) {
2207 symbol_iterator Sym = info->O->getSymbolByIndex(indirect_symbol);
2208 SymbolRef Symbol = *Sym;
2209 ErrorOr<StringRef> SymName = Symbol.getName();
2210 if (std::error_code EC = SymName.getError())
2211 report_fatal_error(EC.message());
2212 const char *name = SymName->data();
2223 // method_reference() is called passing it the ReferenceName that might be
2224 // a reference it to an Objective-C method call. If so then it allocates and
2225 // assembles a method call string with the values last seen and saved in
2226 // the DisassembleInfo's class_name and selector_name fields. This is saved
2227 // into the method field of the info and any previous string is free'ed.
2228 // Then the class_name field in the info is set to nullptr. The method call
2229 // string is set into ReferenceName and ReferenceType is set to
2230 // LLVMDisassembler_ReferenceType_Out_Objc_Message. If this not a method call
2231 // then both ReferenceType and ReferenceName are left unchanged.
2232 static void method_reference(struct DisassembleInfo *info,
2233 uint64_t *ReferenceType,
2234 const char **ReferenceName) {
2235 unsigned int Arch = info->O->getArch();
2236 if (*ReferenceName != nullptr) {
2237 if (strcmp(*ReferenceName, "_objc_msgSend") == 0) {
2238 if (info->selector_name != nullptr) {
2239 if (info->method != nullptr)
2241 if (info->class_name != nullptr) {
2242 info->method = (char *)malloc(5 + strlen(info->class_name) +
2243 strlen(info->selector_name));
2244 if (info->method != nullptr) {
2245 strcpy(info->method, "+[");
2246 strcat(info->method, info->class_name);
2247 strcat(info->method, " ");
2248 strcat(info->method, info->selector_name);
2249 strcat(info->method, "]");
2250 *ReferenceName = info->method;
2251 *ReferenceType = LLVMDisassembler_ReferenceType_Out_Objc_Message;
2254 info->method = (char *)malloc(9 + strlen(info->selector_name));
2255 if (info->method != nullptr) {
2256 if (Arch == Triple::x86_64)
2257 strcpy(info->method, "-[%rdi ");
2258 else if (Arch == Triple::aarch64)
2259 strcpy(info->method, "-[x0 ");
2261 strcpy(info->method, "-[r? ");
2262 strcat(info->method, info->selector_name);
2263 strcat(info->method, "]");
2264 *ReferenceName = info->method;
2265 *ReferenceType = LLVMDisassembler_ReferenceType_Out_Objc_Message;
2268 info->class_name = nullptr;
2270 } else if (strcmp(*ReferenceName, "_objc_msgSendSuper2") == 0) {
2271 if (info->selector_name != nullptr) {
2272 if (info->method != nullptr)
2274 info->method = (char *)malloc(17 + strlen(info->selector_name));
2275 if (info->method != nullptr) {
2276 if (Arch == Triple::x86_64)
2277 strcpy(info->method, "-[[%rdi super] ");
2278 else if (Arch == Triple::aarch64)
2279 strcpy(info->method, "-[[x0 super] ");
2281 strcpy(info->method, "-[[r? super] ");
2282 strcat(info->method, info->selector_name);
2283 strcat(info->method, "]");
2284 *ReferenceName = info->method;
2285 *ReferenceType = LLVMDisassembler_ReferenceType_Out_Objc_Message;
2287 info->class_name = nullptr;
2293 // GuessPointerPointer() is passed the address of what might be a pointer to
2294 // a reference to an Objective-C class, selector, message ref or cfstring.
2295 // If so the value of the pointer is returned and one of the booleans are set
2296 // to true. If not zero is returned and all the booleans are set to false.
2297 static uint64_t GuessPointerPointer(uint64_t ReferenceValue,
2298 struct DisassembleInfo *info,
2299 bool &classref, bool &selref, bool &msgref,
2305 for (const auto &Load : info->O->load_commands()) {
2306 if (Load.C.cmd == MachO::LC_SEGMENT_64) {
2307 MachO::segment_command_64 Seg = info->O->getSegment64LoadCommand(Load);
2308 for (unsigned J = 0; J < Seg.nsects; ++J) {
2309 MachO::section_64 Sec = info->O->getSection64(Load, J);
2310 if ((strncmp(Sec.sectname, "__objc_selrefs", 16) == 0 ||
2311 strncmp(Sec.sectname, "__objc_classrefs", 16) == 0 ||
2312 strncmp(Sec.sectname, "__objc_superrefs", 16) == 0 ||
2313 strncmp(Sec.sectname, "__objc_msgrefs", 16) == 0 ||
2314 strncmp(Sec.sectname, "__cfstring", 16) == 0) &&
2315 ReferenceValue >= Sec.addr &&
2316 ReferenceValue < Sec.addr + Sec.size) {
2317 uint64_t sect_offset = ReferenceValue - Sec.addr;
2318 uint64_t object_offset = Sec.offset + sect_offset;
2319 StringRef MachOContents = info->O->getData();
2320 uint64_t object_size = MachOContents.size();
2321 const char *object_addr = (const char *)MachOContents.data();
2322 if (object_offset < object_size) {
2323 uint64_t pointer_value;
2324 memcpy(&pointer_value, object_addr + object_offset,
2326 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
2327 sys::swapByteOrder(pointer_value);
2328 if (strncmp(Sec.sectname, "__objc_selrefs", 16) == 0)
2330 else if (strncmp(Sec.sectname, "__objc_classrefs", 16) == 0 ||
2331 strncmp(Sec.sectname, "__objc_superrefs", 16) == 0)
2333 else if (strncmp(Sec.sectname, "__objc_msgrefs", 16) == 0 &&
2334 ReferenceValue + 8 < Sec.addr + Sec.size) {
2336 memcpy(&pointer_value, object_addr + object_offset + 8,
2338 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
2339 sys::swapByteOrder(pointer_value);
2340 } else if (strncmp(Sec.sectname, "__cfstring", 16) == 0)
2342 return pointer_value;
2349 // TODO: Look for LC_SEGMENT for 32-bit Mach-O files.
2354 // get_pointer_64 returns a pointer to the bytes in the object file at the
2355 // Address from a section in the Mach-O file. And indirectly returns the
2356 // offset into the section, number of bytes left in the section past the offset
2357 // and which section is was being referenced. If the Address is not in a
2358 // section nullptr is returned.
2359 static const char *get_pointer_64(uint64_t Address, uint32_t &offset,
2360 uint32_t &left, SectionRef &S,
2361 DisassembleInfo *info,
2362 bool objc_only = false) {
2366 for (unsigned SectIdx = 0; SectIdx != info->Sections->size(); SectIdx++) {
2367 uint64_t SectAddress = ((*(info->Sections))[SectIdx]).getAddress();
2368 uint64_t SectSize = ((*(info->Sections))[SectIdx]).getSize();
2373 ((*(info->Sections))[SectIdx]).getName(SectName);
2374 DataRefImpl Ref = ((*(info->Sections))[SectIdx]).getRawDataRefImpl();
2375 StringRef SegName = info->O->getSectionFinalSegmentName(Ref);
2376 if (SegName != "__OBJC" && SectName != "__cstring")
2379 if (Address >= SectAddress && Address < SectAddress + SectSize) {
2380 S = (*(info->Sections))[SectIdx];
2381 offset = Address - SectAddress;
2382 left = SectSize - offset;
2383 StringRef SectContents;
2384 ((*(info->Sections))[SectIdx]).getContents(SectContents);
2385 return SectContents.data() + offset;
2391 static const char *get_pointer_32(uint32_t Address, uint32_t &offset,
2392 uint32_t &left, SectionRef &S,
2393 DisassembleInfo *info,
2394 bool objc_only = false) {
2395 return get_pointer_64(Address, offset, left, S, info, objc_only);
2398 // get_symbol_64() returns the name of a symbol (or nullptr) and the address of
2399 // the symbol indirectly through n_value. Based on the relocation information
2400 // for the specified section offset in the specified section reference.
2401 // If no relocation information is found and a non-zero ReferenceValue for the
2402 // symbol is passed, look up that address in the info's AddrMap.
2403 static const char *get_symbol_64(uint32_t sect_offset, SectionRef S,
2404 DisassembleInfo *info, uint64_t &n_value,
2405 uint64_t ReferenceValue = 0) {
2410 // See if there is an external relocation entry at the sect_offset.
2411 bool reloc_found = false;
2413 MachO::any_relocation_info RE;
2414 bool isExtern = false;
2416 for (const RelocationRef &Reloc : S.relocations()) {
2417 uint64_t RelocOffset = Reloc.getOffset();
2418 if (RelocOffset == sect_offset) {
2419 Rel = Reloc.getRawDataRefImpl();
2420 RE = info->O->getRelocation(Rel);
2421 if (info->O->isRelocationScattered(RE))
2423 isExtern = info->O->getPlainRelocationExternal(RE);
2425 symbol_iterator RelocSym = Reloc.getSymbol();
2432 // If there is an external relocation entry for a symbol in this section
2433 // at this section_offset then use that symbol's value for the n_value
2434 // and return its name.
2435 const char *SymbolName = nullptr;
2436 if (reloc_found && isExtern) {
2437 n_value = Symbol.getValue();
2438 ErrorOr<StringRef> NameOrError = Symbol.getName();
2439 if (std::error_code EC = NameOrError.getError())
2440 report_fatal_error(EC.message());
2441 StringRef Name = *NameOrError;
2442 if (!Name.empty()) {
2443 SymbolName = Name.data();
2448 // TODO: For fully linked images, look through the external relocation
2449 // entries off the dynamic symtab command. For these the r_offset is from the
2450 // start of the first writeable segment in the Mach-O file. So the offset
2451 // to this section from that segment is passed to this routine by the caller,
2452 // as the database_offset. Which is the difference of the section's starting
2453 // address and the first writable segment.
2455 // NOTE: need add passing the database_offset to this routine.
2457 // We did not find an external relocation entry so look up the ReferenceValue
2458 // as an address of a symbol and if found return that symbol's name.
2459 SymbolName = GuessSymbolName(ReferenceValue, info->AddrMap);
2464 static const char *get_symbol_32(uint32_t sect_offset, SectionRef S,
2465 DisassembleInfo *info,
2466 uint32_t ReferenceValue) {
2468 return get_symbol_64(sect_offset, S, info, n_value64, ReferenceValue);
2471 // These are structs in the Objective-C meta data and read to produce the
2472 // comments for disassembly. While these are part of the ABI they are no
2473 // public defintions. So the are here not in include/llvm/Support/MachO.h .
2475 // The cfstring object in a 64-bit Mach-O file.
2476 struct cfstring64_t {
2477 uint64_t isa; // class64_t * (64-bit pointer)
2478 uint64_t flags; // flag bits
2479 uint64_t characters; // char * (64-bit pointer)
2480 uint64_t length; // number of non-NULL characters in above
2483 // The class object in a 64-bit Mach-O file.
2485 uint64_t isa; // class64_t * (64-bit pointer)
2486 uint64_t superclass; // class64_t * (64-bit pointer)
2487 uint64_t cache; // Cache (64-bit pointer)
2488 uint64_t vtable; // IMP * (64-bit pointer)
2489 uint64_t data; // class_ro64_t * (64-bit pointer)
2493 uint32_t isa; /* class32_t * (32-bit pointer) */
2494 uint32_t superclass; /* class32_t * (32-bit pointer) */
2495 uint32_t cache; /* Cache (32-bit pointer) */
2496 uint32_t vtable; /* IMP * (32-bit pointer) */
2497 uint32_t data; /* class_ro32_t * (32-bit pointer) */
2500 struct class_ro64_t {
2502 uint32_t instanceStart;
2503 uint32_t instanceSize;
2505 uint64_t ivarLayout; // const uint8_t * (64-bit pointer)
2506 uint64_t name; // const char * (64-bit pointer)
2507 uint64_t baseMethods; // const method_list_t * (64-bit pointer)
2508 uint64_t baseProtocols; // const protocol_list_t * (64-bit pointer)
2509 uint64_t ivars; // const ivar_list_t * (64-bit pointer)
2510 uint64_t weakIvarLayout; // const uint8_t * (64-bit pointer)
2511 uint64_t baseProperties; // const struct objc_property_list (64-bit pointer)
2514 struct class_ro32_t {
2516 uint32_t instanceStart;
2517 uint32_t instanceSize;
2518 uint32_t ivarLayout; /* const uint8_t * (32-bit pointer) */
2519 uint32_t name; /* const char * (32-bit pointer) */
2520 uint32_t baseMethods; /* const method_list_t * (32-bit pointer) */
2521 uint32_t baseProtocols; /* const protocol_list_t * (32-bit pointer) */
2522 uint32_t ivars; /* const ivar_list_t * (32-bit pointer) */
2523 uint32_t weakIvarLayout; /* const uint8_t * (32-bit pointer) */
2524 uint32_t baseProperties; /* const struct objc_property_list *
2528 /* Values for class_ro{64,32}_t->flags */
2529 #define RO_META (1 << 0)
2530 #define RO_ROOT (1 << 1)
2531 #define RO_HAS_CXX_STRUCTORS (1 << 2)
2533 struct method_list64_t {
2536 /* struct method64_t first; These structures follow inline */
2539 struct method_list32_t {
2542 /* struct method32_t first; These structures follow inline */
2546 uint64_t name; /* SEL (64-bit pointer) */
2547 uint64_t types; /* const char * (64-bit pointer) */
2548 uint64_t imp; /* IMP (64-bit pointer) */
2552 uint32_t name; /* SEL (32-bit pointer) */
2553 uint32_t types; /* const char * (32-bit pointer) */
2554 uint32_t imp; /* IMP (32-bit pointer) */
2557 struct protocol_list64_t {
2558 uint64_t count; /* uintptr_t (a 64-bit value) */
2559 /* struct protocol64_t * list[0]; These pointers follow inline */
2562 struct protocol_list32_t {
2563 uint32_t count; /* uintptr_t (a 32-bit value) */
2564 /* struct protocol32_t * list[0]; These pointers follow inline */
2567 struct protocol64_t {
2568 uint64_t isa; /* id * (64-bit pointer) */
2569 uint64_t name; /* const char * (64-bit pointer) */
2570 uint64_t protocols; /* struct protocol_list64_t *
2572 uint64_t instanceMethods; /* method_list_t * (64-bit pointer) */
2573 uint64_t classMethods; /* method_list_t * (64-bit pointer) */
2574 uint64_t optionalInstanceMethods; /* method_list_t * (64-bit pointer) */
2575 uint64_t optionalClassMethods; /* method_list_t * (64-bit pointer) */
2576 uint64_t instanceProperties; /* struct objc_property_list *
2580 struct protocol32_t {
2581 uint32_t isa; /* id * (32-bit pointer) */
2582 uint32_t name; /* const char * (32-bit pointer) */
2583 uint32_t protocols; /* struct protocol_list_t *
2585 uint32_t instanceMethods; /* method_list_t * (32-bit pointer) */
2586 uint32_t classMethods; /* method_list_t * (32-bit pointer) */
2587 uint32_t optionalInstanceMethods; /* method_list_t * (32-bit pointer) */
2588 uint32_t optionalClassMethods; /* method_list_t * (32-bit pointer) */
2589 uint32_t instanceProperties; /* struct objc_property_list *
2593 struct ivar_list64_t {
2596 /* struct ivar64_t first; These structures follow inline */
2599 struct ivar_list32_t {
2602 /* struct ivar32_t first; These structures follow inline */
2606 uint64_t offset; /* uintptr_t * (64-bit pointer) */
2607 uint64_t name; /* const char * (64-bit pointer) */
2608 uint64_t type; /* const char * (64-bit pointer) */
2614 uint32_t offset; /* uintptr_t * (32-bit pointer) */
2615 uint32_t name; /* const char * (32-bit pointer) */
2616 uint32_t type; /* const char * (32-bit pointer) */
2621 struct objc_property_list64 {
2624 /* struct objc_property64 first; These structures follow inline */
2627 struct objc_property_list32 {
2630 /* struct objc_property32 first; These structures follow inline */
2633 struct objc_property64 {
2634 uint64_t name; /* const char * (64-bit pointer) */
2635 uint64_t attributes; /* const char * (64-bit pointer) */
2638 struct objc_property32 {
2639 uint32_t name; /* const char * (32-bit pointer) */
2640 uint32_t attributes; /* const char * (32-bit pointer) */
2643 struct category64_t {
2644 uint64_t name; /* const char * (64-bit pointer) */
2645 uint64_t cls; /* struct class_t * (64-bit pointer) */
2646 uint64_t instanceMethods; /* struct method_list_t * (64-bit pointer) */
2647 uint64_t classMethods; /* struct method_list_t * (64-bit pointer) */
2648 uint64_t protocols; /* struct protocol_list_t * (64-bit pointer) */
2649 uint64_t instanceProperties; /* struct objc_property_list *
2653 struct category32_t {
2654 uint32_t name; /* const char * (32-bit pointer) */
2655 uint32_t cls; /* struct class_t * (32-bit pointer) */
2656 uint32_t instanceMethods; /* struct method_list_t * (32-bit pointer) */
2657 uint32_t classMethods; /* struct method_list_t * (32-bit pointer) */
2658 uint32_t protocols; /* struct protocol_list_t * (32-bit pointer) */
2659 uint32_t instanceProperties; /* struct objc_property_list *
2663 struct objc_image_info64 {
2667 struct objc_image_info32 {
2671 struct imageInfo_t {
2675 /* masks for objc_image_info.flags */
2676 #define OBJC_IMAGE_IS_REPLACEMENT (1 << 0)
2677 #define OBJC_IMAGE_SUPPORTS_GC (1 << 1)
2679 struct message_ref64 {
2680 uint64_t imp; /* IMP (64-bit pointer) */
2681 uint64_t sel; /* SEL (64-bit pointer) */
2684 struct message_ref32 {
2685 uint32_t imp; /* IMP (32-bit pointer) */
2686 uint32_t sel; /* SEL (32-bit pointer) */
2689 // Objective-C 1 (32-bit only) meta data structs.
2691 struct objc_module_t {
2694 uint32_t name; /* char * (32-bit pointer) */
2695 uint32_t symtab; /* struct objc_symtab * (32-bit pointer) */
2698 struct objc_symtab_t {
2699 uint32_t sel_ref_cnt;
2700 uint32_t refs; /* SEL * (32-bit pointer) */
2701 uint16_t cls_def_cnt;
2702 uint16_t cat_def_cnt;
2703 // uint32_t defs[1]; /* void * (32-bit pointer) variable size */
2706 struct objc_class_t {
2707 uint32_t isa; /* struct objc_class * (32-bit pointer) */
2708 uint32_t super_class; /* struct objc_class * (32-bit pointer) */
2709 uint32_t name; /* const char * (32-bit pointer) */
2712 int32_t instance_size;
2713 uint32_t ivars; /* struct objc_ivar_list * (32-bit pointer) */
2714 uint32_t methodLists; /* struct objc_method_list ** (32-bit pointer) */
2715 uint32_t cache; /* struct objc_cache * (32-bit pointer) */
2716 uint32_t protocols; /* struct objc_protocol_list * (32-bit pointer) */
2719 #define CLS_GETINFO(cls, infomask) ((cls)->info & (infomask))
2720 // class is not a metaclass
2721 #define CLS_CLASS 0x1
2722 // class is a metaclass
2723 #define CLS_META 0x2
2725 struct objc_category_t {
2726 uint32_t category_name; /* char * (32-bit pointer) */
2727 uint32_t class_name; /* char * (32-bit pointer) */
2728 uint32_t instance_methods; /* struct objc_method_list * (32-bit pointer) */
2729 uint32_t class_methods; /* struct objc_method_list * (32-bit pointer) */
2730 uint32_t protocols; /* struct objc_protocol_list * (32-bit ptr) */
2733 struct objc_ivar_t {
2734 uint32_t ivar_name; /* char * (32-bit pointer) */
2735 uint32_t ivar_type; /* char * (32-bit pointer) */
2736 int32_t ivar_offset;
2739 struct objc_ivar_list_t {
2741 // struct objc_ivar_t ivar_list[1]; /* variable length structure */
2744 struct objc_method_list_t {
2745 uint32_t obsolete; /* struct objc_method_list * (32-bit pointer) */
2746 int32_t method_count;
2747 // struct objc_method_t method_list[1]; /* variable length structure */
2750 struct objc_method_t {
2751 uint32_t method_name; /* SEL, aka struct objc_selector * (32-bit pointer) */
2752 uint32_t method_types; /* char * (32-bit pointer) */
2753 uint32_t method_imp; /* IMP, aka function pointer, (*IMP)(id, SEL, ...)
2757 struct objc_protocol_list_t {
2758 uint32_t next; /* struct objc_protocol_list * (32-bit pointer) */
2760 // uint32_t list[1]; /* Protocol *, aka struct objc_protocol_t *
2761 // (32-bit pointer) */
2764 struct objc_protocol_t {
2765 uint32_t isa; /* struct objc_class * (32-bit pointer) */
2766 uint32_t protocol_name; /* char * (32-bit pointer) */
2767 uint32_t protocol_list; /* struct objc_protocol_list * (32-bit pointer) */
2768 uint32_t instance_methods; /* struct objc_method_description_list *
2770 uint32_t class_methods; /* struct objc_method_description_list *
2774 struct objc_method_description_list_t {
2776 // struct objc_method_description_t list[1];
2779 struct objc_method_description_t {
2780 uint32_t name; /* SEL, aka struct objc_selector * (32-bit pointer) */
2781 uint32_t types; /* char * (32-bit pointer) */
2784 inline void swapStruct(struct cfstring64_t &cfs) {
2785 sys::swapByteOrder(cfs.isa);
2786 sys::swapByteOrder(cfs.flags);
2787 sys::swapByteOrder(cfs.characters);
2788 sys::swapByteOrder(cfs.length);
2791 inline void swapStruct(struct class64_t &c) {
2792 sys::swapByteOrder(c.isa);
2793 sys::swapByteOrder(c.superclass);
2794 sys::swapByteOrder(c.cache);
2795 sys::swapByteOrder(c.vtable);
2796 sys::swapByteOrder(c.data);
2799 inline void swapStruct(struct class32_t &c) {
2800 sys::swapByteOrder(c.isa);
2801 sys::swapByteOrder(c.superclass);
2802 sys::swapByteOrder(c.cache);
2803 sys::swapByteOrder(c.vtable);
2804 sys::swapByteOrder(c.data);
2807 inline void swapStruct(struct class_ro64_t &cro) {
2808 sys::swapByteOrder(cro.flags);
2809 sys::swapByteOrder(cro.instanceStart);
2810 sys::swapByteOrder(cro.instanceSize);
2811 sys::swapByteOrder(cro.reserved);
2812 sys::swapByteOrder(cro.ivarLayout);
2813 sys::swapByteOrder(cro.name);
2814 sys::swapByteOrder(cro.baseMethods);
2815 sys::swapByteOrder(cro.baseProtocols);
2816 sys::swapByteOrder(cro.ivars);
2817 sys::swapByteOrder(cro.weakIvarLayout);
2818 sys::swapByteOrder(cro.baseProperties);
2821 inline void swapStruct(struct class_ro32_t &cro) {
2822 sys::swapByteOrder(cro.flags);
2823 sys::swapByteOrder(cro.instanceStart);
2824 sys::swapByteOrder(cro.instanceSize);
2825 sys::swapByteOrder(cro.ivarLayout);
2826 sys::swapByteOrder(cro.name);
2827 sys::swapByteOrder(cro.baseMethods);
2828 sys::swapByteOrder(cro.baseProtocols);
2829 sys::swapByteOrder(cro.ivars);
2830 sys::swapByteOrder(cro.weakIvarLayout);
2831 sys::swapByteOrder(cro.baseProperties);
2834 inline void swapStruct(struct method_list64_t &ml) {
2835 sys::swapByteOrder(ml.entsize);
2836 sys::swapByteOrder(ml.count);
2839 inline void swapStruct(struct method_list32_t &ml) {
2840 sys::swapByteOrder(ml.entsize);
2841 sys::swapByteOrder(ml.count);
2844 inline void swapStruct(struct method64_t &m) {
2845 sys::swapByteOrder(m.name);
2846 sys::swapByteOrder(m.types);
2847 sys::swapByteOrder(m.imp);
2850 inline void swapStruct(struct method32_t &m) {
2851 sys::swapByteOrder(m.name);
2852 sys::swapByteOrder(m.types);
2853 sys::swapByteOrder(m.imp);
2856 inline void swapStruct(struct protocol_list64_t &pl) {
2857 sys::swapByteOrder(pl.count);
2860 inline void swapStruct(struct protocol_list32_t &pl) {
2861 sys::swapByteOrder(pl.count);
2864 inline void swapStruct(struct protocol64_t &p) {
2865 sys::swapByteOrder(p.isa);
2866 sys::swapByteOrder(p.name);
2867 sys::swapByteOrder(p.protocols);
2868 sys::swapByteOrder(p.instanceMethods);
2869 sys::swapByteOrder(p.classMethods);
2870 sys::swapByteOrder(p.optionalInstanceMethods);
2871 sys::swapByteOrder(p.optionalClassMethods);
2872 sys::swapByteOrder(p.instanceProperties);
2875 inline void swapStruct(struct protocol32_t &p) {
2876 sys::swapByteOrder(p.isa);
2877 sys::swapByteOrder(p.name);
2878 sys::swapByteOrder(p.protocols);
2879 sys::swapByteOrder(p.instanceMethods);
2880 sys::swapByteOrder(p.classMethods);
2881 sys::swapByteOrder(p.optionalInstanceMethods);
2882 sys::swapByteOrder(p.optionalClassMethods);
2883 sys::swapByteOrder(p.instanceProperties);
2886 inline void swapStruct(struct ivar_list64_t &il) {
2887 sys::swapByteOrder(il.entsize);
2888 sys::swapByteOrder(il.count);
2891 inline void swapStruct(struct ivar_list32_t &il) {
2892 sys::swapByteOrder(il.entsize);
2893 sys::swapByteOrder(il.count);
2896 inline void swapStruct(struct ivar64_t &i) {
2897 sys::swapByteOrder(i.offset);
2898 sys::swapByteOrder(i.name);
2899 sys::swapByteOrder(i.type);
2900 sys::swapByteOrder(i.alignment);
2901 sys::swapByteOrder(i.size);
2904 inline void swapStruct(struct ivar32_t &i) {
2905 sys::swapByteOrder(i.offset);
2906 sys::swapByteOrder(i.name);
2907 sys::swapByteOrder(i.type);
2908 sys::swapByteOrder(i.alignment);
2909 sys::swapByteOrder(i.size);
2912 inline void swapStruct(struct objc_property_list64 &pl) {
2913 sys::swapByteOrder(pl.entsize);
2914 sys::swapByteOrder(pl.count);
2917 inline void swapStruct(struct objc_property_list32 &pl) {
2918 sys::swapByteOrder(pl.entsize);
2919 sys::swapByteOrder(pl.count);
2922 inline void swapStruct(struct objc_property64 &op) {
2923 sys::swapByteOrder(op.name);
2924 sys::swapByteOrder(op.attributes);
2927 inline void swapStruct(struct objc_property32 &op) {
2928 sys::swapByteOrder(op.name);
2929 sys::swapByteOrder(op.attributes);
2932 inline void swapStruct(struct category64_t &c) {
2933 sys::swapByteOrder(c.name);
2934 sys::swapByteOrder(c.cls);
2935 sys::swapByteOrder(c.instanceMethods);
2936 sys::swapByteOrder(c.classMethods);
2937 sys::swapByteOrder(c.protocols);
2938 sys::swapByteOrder(c.instanceProperties);
2941 inline void swapStruct(struct category32_t &c) {
2942 sys::swapByteOrder(c.name);
2943 sys::swapByteOrder(c.cls);
2944 sys::swapByteOrder(c.instanceMethods);
2945 sys::swapByteOrder(c.classMethods);
2946 sys::swapByteOrder(c.protocols);
2947 sys::swapByteOrder(c.instanceProperties);
2950 inline void swapStruct(struct objc_image_info64 &o) {
2951 sys::swapByteOrder(o.version);
2952 sys::swapByteOrder(o.flags);
2955 inline void swapStruct(struct objc_image_info32 &o) {
2956 sys::swapByteOrder(o.version);
2957 sys::swapByteOrder(o.flags);
2960 inline void swapStruct(struct imageInfo_t &o) {
2961 sys::swapByteOrder(o.version);
2962 sys::swapByteOrder(o.flags);
2965 inline void swapStruct(struct message_ref64 &mr) {
2966 sys::swapByteOrder(mr.imp);
2967 sys::swapByteOrder(mr.sel);
2970 inline void swapStruct(struct message_ref32 &mr) {
2971 sys::swapByteOrder(mr.imp);
2972 sys::swapByteOrder(mr.sel);
2975 inline void swapStruct(struct objc_module_t &module) {
2976 sys::swapByteOrder(module.version);
2977 sys::swapByteOrder(module.size);
2978 sys::swapByteOrder(module.name);
2979 sys::swapByteOrder(module.symtab);
2982 inline void swapStruct(struct objc_symtab_t &symtab) {
2983 sys::swapByteOrder(symtab.sel_ref_cnt);
2984 sys::swapByteOrder(symtab.refs);
2985 sys::swapByteOrder(symtab.cls_def_cnt);
2986 sys::swapByteOrder(symtab.cat_def_cnt);
2989 inline void swapStruct(struct objc_class_t &objc_class) {
2990 sys::swapByteOrder(objc_class.isa);
2991 sys::swapByteOrder(objc_class.super_class);
2992 sys::swapByteOrder(objc_class.name);
2993 sys::swapByteOrder(objc_class.version);
2994 sys::swapByteOrder(objc_class.info);
2995 sys::swapByteOrder(objc_class.instance_size);
2996 sys::swapByteOrder(objc_class.ivars);
2997 sys::swapByteOrder(objc_class.methodLists);
2998 sys::swapByteOrder(objc_class.cache);
2999 sys::swapByteOrder(objc_class.protocols);
3002 inline void swapStruct(struct objc_category_t &objc_category) {
3003 sys::swapByteOrder(objc_category.category_name);
3004 sys::swapByteOrder(objc_category.class_name);
3005 sys::swapByteOrder(objc_category.instance_methods);
3006 sys::swapByteOrder(objc_category.class_methods);
3007 sys::swapByteOrder(objc_category.protocols);
3010 inline void swapStruct(struct objc_ivar_list_t &objc_ivar_list) {
3011 sys::swapByteOrder(objc_ivar_list.ivar_count);
3014 inline void swapStruct(struct objc_ivar_t &objc_ivar) {
3015 sys::swapByteOrder(objc_ivar.ivar_name);
3016 sys::swapByteOrder(objc_ivar.ivar_type);
3017 sys::swapByteOrder(objc_ivar.ivar_offset);
3020 inline void swapStruct(struct objc_method_list_t &method_list) {
3021 sys::swapByteOrder(method_list.obsolete);
3022 sys::swapByteOrder(method_list.method_count);
3025 inline void swapStruct(struct objc_method_t &method) {
3026 sys::swapByteOrder(method.method_name);
3027 sys::swapByteOrder(method.method_types);
3028 sys::swapByteOrder(method.method_imp);
3031 inline void swapStruct(struct objc_protocol_list_t &protocol_list) {
3032 sys::swapByteOrder(protocol_list.next);
3033 sys::swapByteOrder(protocol_list.count);
3036 inline void swapStruct(struct objc_protocol_t &protocol) {
3037 sys::swapByteOrder(protocol.isa);
3038 sys::swapByteOrder(protocol.protocol_name);
3039 sys::swapByteOrder(protocol.protocol_list);
3040 sys::swapByteOrder(protocol.instance_methods);
3041 sys::swapByteOrder(protocol.class_methods);
3044 inline void swapStruct(struct objc_method_description_list_t &mdl) {
3045 sys::swapByteOrder(mdl.count);
3048 inline void swapStruct(struct objc_method_description_t &md) {
3049 sys::swapByteOrder(md.name);
3050 sys::swapByteOrder(md.types);
3053 static const char *get_dyld_bind_info_symbolname(uint64_t ReferenceValue,
3054 struct DisassembleInfo *info);
3056 // get_objc2_64bit_class_name() is used for disassembly and is passed a pointer
3057 // to an Objective-C class and returns the class name. It is also passed the
3058 // address of the pointer, so when the pointer is zero as it can be in an .o
3059 // file, that is used to look for an external relocation entry with a symbol
3061 static const char *get_objc2_64bit_class_name(uint64_t pointer_value,
3062 uint64_t ReferenceValue,
3063 struct DisassembleInfo *info) {
3065 uint32_t offset, left;
3068 // The pointer_value can be 0 in an object file and have a relocation
3069 // entry for the class symbol at the ReferenceValue (the address of the
3071 if (pointer_value == 0) {
3072 r = get_pointer_64(ReferenceValue, offset, left, S, info);
3073 if (r == nullptr || left < sizeof(uint64_t))
3076 const char *symbol_name = get_symbol_64(offset, S, info, n_value);
3077 if (symbol_name == nullptr)
3079 const char *class_name = strrchr(symbol_name, '$');
3080 if (class_name != nullptr && class_name[1] == '_' && class_name[2] != '\0')
3081 return class_name + 2;
3086 // The case were the pointer_value is non-zero and points to a class defined
3087 // in this Mach-O file.
3088 r = get_pointer_64(pointer_value, offset, left, S, info);
3089 if (r == nullptr || left < sizeof(struct class64_t))
3092 memcpy(&c, r, sizeof(struct class64_t));
3093 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
3097 r = get_pointer_64(c.data, offset, left, S, info);
3098 if (r == nullptr || left < sizeof(struct class_ro64_t))
3100 struct class_ro64_t cro;
3101 memcpy(&cro, r, sizeof(struct class_ro64_t));
3102 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
3106 const char *name = get_pointer_64(cro.name, offset, left, S, info);
3110 // get_objc2_64bit_cfstring_name is used for disassembly and is passed a
3111 // pointer to a cfstring and returns its name or nullptr.
3112 static const char *get_objc2_64bit_cfstring_name(uint64_t ReferenceValue,
3113 struct DisassembleInfo *info) {
3114 const char *r, *name;
3115 uint32_t offset, left;
3117 struct cfstring64_t cfs;
3118 uint64_t cfs_characters;
3120 r = get_pointer_64(ReferenceValue, offset, left, S, info);
3121 if (r == nullptr || left < sizeof(struct cfstring64_t))
3123 memcpy(&cfs, r, sizeof(struct cfstring64_t));
3124 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
3126 if (cfs.characters == 0) {
3128 const char *symbol_name = get_symbol_64(
3129 offset + offsetof(struct cfstring64_t, characters), S, info, n_value);
3130 if (symbol_name == nullptr)
3132 cfs_characters = n_value;
3134 cfs_characters = cfs.characters;
3135 name = get_pointer_64(cfs_characters, offset, left, S, info);
3140 // get_objc2_64bit_selref() is used for disassembly and is passed a the address
3141 // of a pointer to an Objective-C selector reference when the pointer value is
3142 // zero as in a .o file and is likely to have a external relocation entry with
3143 // who's symbol's n_value is the real pointer to the selector name. If that is
3144 // the case the real pointer to the selector name is returned else 0 is
3146 static uint64_t get_objc2_64bit_selref(uint64_t ReferenceValue,
3147 struct DisassembleInfo *info) {
3148 uint32_t offset, left;
3151 const char *r = get_pointer_64(ReferenceValue, offset, left, S, info);
3152 if (r == nullptr || left < sizeof(uint64_t))
3155 const char *symbol_name = get_symbol_64(offset, S, info, n_value);
3156 if (symbol_name == nullptr)
3161 static const SectionRef get_section(MachOObjectFile *O, const char *segname,
3162 const char *sectname) {
3163 for (const SectionRef &Section : O->sections()) {
3165 Section.getName(SectName);
3166 DataRefImpl Ref = Section.getRawDataRefImpl();
3167 StringRef SegName = O->getSectionFinalSegmentName(Ref);
3168 if (SegName == segname && SectName == sectname)
3171 return SectionRef();
3175 walk_pointer_list_64(const char *listname, const SectionRef S,
3176 MachOObjectFile *O, struct DisassembleInfo *info,
3177 void (*func)(uint64_t, struct DisassembleInfo *info)) {
3178 if (S == SectionRef())
3182 S.getName(SectName);
3183 DataRefImpl Ref = S.getRawDataRefImpl();
3184 StringRef SegName = O->getSectionFinalSegmentName(Ref);
3185 outs() << "Contents of (" << SegName << "," << SectName << ") section\n";
3188 S.getContents(BytesStr);
3189 const char *Contents = reinterpret_cast<const char *>(BytesStr.data());
3191 for (uint32_t i = 0; i < S.getSize(); i += sizeof(uint64_t)) {
3192 uint32_t left = S.getSize() - i;
3193 uint32_t size = left < sizeof(uint64_t) ? left : sizeof(uint64_t);
3195 memcpy(&p, Contents + i, size);
3196 if (i + sizeof(uint64_t) > S.getSize())
3197 outs() << listname << " list pointer extends past end of (" << SegName
3198 << "," << SectName << ") section\n";
3199 outs() << format("%016" PRIx64, S.getAddress() + i) << " ";
3201 if (O->isLittleEndian() != sys::IsLittleEndianHost)
3202 sys::swapByteOrder(p);
3204 uint64_t n_value = 0;
3205 const char *name = get_symbol_64(i, S, info, n_value, p);
3206 if (name == nullptr)
3207 name = get_dyld_bind_info_symbolname(S.getAddress() + i, info);
3210 outs() << format("0x%" PRIx64, n_value);
3212 outs() << " + " << format("0x%" PRIx64, p);
3214 outs() << format("0x%" PRIx64, p);
3215 if (name != nullptr)
3216 outs() << " " << name;
3226 walk_pointer_list_32(const char *listname, const SectionRef S,
3227 MachOObjectFile *O, struct DisassembleInfo *info,
3228 void (*func)(uint32_t, struct DisassembleInfo *info)) {
3229 if (S == SectionRef())
3233 S.getName(SectName);
3234 DataRefImpl Ref = S.getRawDataRefImpl();
3235 StringRef SegName = O->getSectionFinalSegmentName(Ref);
3236 outs() << "Contents of (" << SegName << "," << SectName << ") section\n";
3239 S.getContents(BytesStr);
3240 const char *Contents = reinterpret_cast<const char *>(BytesStr.data());
3242 for (uint32_t i = 0; i < S.getSize(); i += sizeof(uint32_t)) {
3243 uint32_t left = S.getSize() - i;
3244 uint32_t size = left < sizeof(uint32_t) ? left : sizeof(uint32_t);
3246 memcpy(&p, Contents + i, size);
3247 if (i + sizeof(uint32_t) > S.getSize())
3248 outs() << listname << " list pointer extends past end of (" << SegName
3249 << "," << SectName << ") section\n";
3250 uint32_t Address = S.getAddress() + i;
3251 outs() << format("%08" PRIx32, Address) << " ";
3253 if (O->isLittleEndian() != sys::IsLittleEndianHost)
3254 sys::swapByteOrder(p);
3255 outs() << format("0x%" PRIx32, p);
3257 const char *name = get_symbol_32(i, S, info, p);
3258 if (name != nullptr)
3259 outs() << " " << name;
3267 static void print_layout_map(const char *layout_map, uint32_t left) {
3268 if (layout_map == nullptr)
3270 outs() << " layout map: ";
3272 outs() << format("0x%02" PRIx32, (*layout_map) & 0xff) << " ";
3275 } while (*layout_map != '\0' && left != 0);
3279 static void print_layout_map64(uint64_t p, struct DisassembleInfo *info) {
3280 uint32_t offset, left;
3282 const char *layout_map;
3286 layout_map = get_pointer_64(p, offset, left, S, info);
3287 print_layout_map(layout_map, left);
3290 static void print_layout_map32(uint32_t p, struct DisassembleInfo *info) {
3291 uint32_t offset, left;
3293 const char *layout_map;
3297 layout_map = get_pointer_32(p, offset, left, S, info);
3298 print_layout_map(layout_map, left);
3301 static void print_method_list64_t(uint64_t p, struct DisassembleInfo *info,
3302 const char *indent) {
3303 struct method_list64_t ml;
3304 struct method64_t m;
3306 uint32_t offset, xoffset, left, i;
3308 const char *name, *sym_name;
3311 r = get_pointer_64(p, offset, left, S, info);
3314 memset(&ml, '\0', sizeof(struct method_list64_t));
3315 if (left < sizeof(struct method_list64_t)) {
3316 memcpy(&ml, r, left);
3317 outs() << " (method_list_t entends past the end of the section)\n";
3319 memcpy(&ml, r, sizeof(struct method_list64_t));
3320 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
3322 outs() << indent << "\t\t entsize " << ml.entsize << "\n";
3323 outs() << indent << "\t\t count " << ml.count << "\n";
3325 p += sizeof(struct method_list64_t);
3326 offset += sizeof(struct method_list64_t);
3327 for (i = 0; i < ml.count; i++) {
3328 r = get_pointer_64(p, offset, left, S, info);
3331 memset(&m, '\0', sizeof(struct method64_t));
3332 if (left < sizeof(struct method64_t)) {
3333 memcpy(&m, r, left);
3334 outs() << indent << " (method_t extends past the end of the section)\n";
3336 memcpy(&m, r, sizeof(struct method64_t));
3337 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
3340 outs() << indent << "\t\t name ";
3341 sym_name = get_symbol_64(offset + offsetof(struct method64_t, name), S,
3342 info, n_value, m.name);
3344 if (info->verbose && sym_name != nullptr)
3347 outs() << format("0x%" PRIx64, n_value);
3349 outs() << " + " << format("0x%" PRIx64, m.name);
3351 outs() << format("0x%" PRIx64, m.name);
3352 name = get_pointer_64(m.name + n_value, xoffset, left, xS, info);
3353 if (name != nullptr)
3354 outs() << format(" %.*s", left, name);
3357 outs() << indent << "\t\t types ";
3358 sym_name = get_symbol_64(offset + offsetof(struct method64_t, types), S,
3359 info, n_value, m.types);
3361 if (info->verbose && sym_name != nullptr)
3364 outs() << format("0x%" PRIx64, n_value);
3366 outs() << " + " << format("0x%" PRIx64, m.types);
3368 outs() << format("0x%" PRIx64, m.types);
3369 name = get_pointer_64(m.types + n_value, xoffset, left, xS, info);
3370 if (name != nullptr)
3371 outs() << format(" %.*s", left, name);
3374 outs() << indent << "\t\t imp ";
3375 name = get_symbol_64(offset + offsetof(struct method64_t, imp), S, info,
3377 if (info->verbose && name == nullptr) {
3379 outs() << format("0x%" PRIx64, n_value) << " ";
3381 outs() << "+ " << format("0x%" PRIx64, m.imp) << " ";
3383 outs() << format("0x%" PRIx64, m.imp) << " ";
3385 if (name != nullptr)
3389 p += sizeof(struct method64_t);
3390 offset += sizeof(struct method64_t);
3394 static void print_method_list32_t(uint64_t p, struct DisassembleInfo *info,
3395 const char *indent) {
3396 struct method_list32_t ml;
3397 struct method32_t m;
3398 const char *r, *name;
3399 uint32_t offset, xoffset, left, i;
3402 r = get_pointer_32(p, offset, left, S, info);
3405 memset(&ml, '\0', sizeof(struct method_list32_t));
3406 if (left < sizeof(struct method_list32_t)) {
3407 memcpy(&ml, r, left);
3408 outs() << " (method_list_t entends past the end of the section)\n";
3410 memcpy(&ml, r, sizeof(struct method_list32_t));
3411 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
3413 outs() << indent << "\t\t entsize " << ml.entsize << "\n";
3414 outs() << indent << "\t\t count " << ml.count << "\n";
3416 p += sizeof(struct method_list32_t);
3417 offset += sizeof(struct method_list32_t);
3418 for (i = 0; i < ml.count; i++) {
3419 r = get_pointer_32(p, offset, left, S, info);
3422 memset(&m, '\0', sizeof(struct method32_t));
3423 if (left < sizeof(struct method32_t)) {
3424 memcpy(&ml, r, left);
3425 outs() << indent << " (method_t entends past the end of the section)\n";
3427 memcpy(&m, r, sizeof(struct method32_t));
3428 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
3431 outs() << indent << "\t\t name " << format("0x%" PRIx32, m.name);
3432 name = get_pointer_32(m.name, xoffset, left, xS, info);
3433 if (name != nullptr)
3434 outs() << format(" %.*s", left, name);
3437 outs() << indent << "\t\t types " << format("0x%" PRIx32, m.types);
3438 name = get_pointer_32(m.types, xoffset, left, xS, info);
3439 if (name != nullptr)
3440 outs() << format(" %.*s", left, name);
3443 outs() << indent << "\t\t imp " << format("0x%" PRIx32, m.imp);
3444 name = get_symbol_32(offset + offsetof(struct method32_t, imp), S, info,
3446 if (name != nullptr)
3447 outs() << " " << name;
3450 p += sizeof(struct method32_t);
3451 offset += sizeof(struct method32_t);
3455 static bool print_method_list(uint32_t p, struct DisassembleInfo *info) {
3456 uint32_t offset, left, xleft;
3458 struct objc_method_list_t method_list;
3459 struct objc_method_t method;
3460 const char *r, *methods, *name, *SymbolName;
3463 r = get_pointer_32(p, offset, left, S, info, true);
3468 if (left > sizeof(struct objc_method_list_t)) {
3469 memcpy(&method_list, r, sizeof(struct objc_method_list_t));
3471 outs() << "\t\t objc_method_list extends past end of the section\n";
3472 memset(&method_list, '\0', sizeof(struct objc_method_list_t));
3473 memcpy(&method_list, r, left);
3475 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
3476 swapStruct(method_list);
3478 outs() << "\t\t obsolete "
3479 << format("0x%08" PRIx32, method_list.obsolete) << "\n";
3480 outs() << "\t\t method_count " << method_list.method_count << "\n";
3482 methods = r + sizeof(struct objc_method_list_t);
3483 for (i = 0; i < method_list.method_count; i++) {
3484 if ((i + 1) * sizeof(struct objc_method_t) > left) {
3485 outs() << "\t\t remaining method's extend past the of the section\n";
3488 memcpy(&method, methods + i * sizeof(struct objc_method_t),
3489 sizeof(struct objc_method_t));
3490 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
3493 outs() << "\t\t method_name "
3494 << format("0x%08" PRIx32, method.method_name);
3495 if (info->verbose) {
3496 name = get_pointer_32(method.method_name, offset, xleft, S, info, true);
3497 if (name != nullptr)
3498 outs() << format(" %.*s", xleft, name);
3500 outs() << " (not in an __OBJC section)";
3504 outs() << "\t\t method_types "
3505 << format("0x%08" PRIx32, method.method_types);
3506 if (info->verbose) {
3507 name = get_pointer_32(method.method_types, offset, xleft, S, info, true);
3508 if (name != nullptr)
3509 outs() << format(" %.*s", xleft, name);
3511 outs() << " (not in an __OBJC section)";
3515 outs() << "\t\t method_imp "
3516 << format("0x%08" PRIx32, method.method_imp) << " ";
3517 if (info->verbose) {
3518 SymbolName = GuessSymbolName(method.method_imp, info->AddrMap);
3519 if (SymbolName != nullptr)
3520 outs() << SymbolName;
3527 static void print_protocol_list64_t(uint64_t p, struct DisassembleInfo *info) {
3528 struct protocol_list64_t pl;
3529 uint64_t q, n_value;
3530 struct protocol64_t pc;
3532 uint32_t offset, xoffset, left, i;
3534 const char *name, *sym_name;
3536 r = get_pointer_64(p, offset, left, S, info);
3539 memset(&pl, '\0', sizeof(struct protocol_list64_t));
3540 if (left < sizeof(struct protocol_list64_t)) {
3541 memcpy(&pl, r, left);
3542 outs() << " (protocol_list_t entends past the end of the section)\n";
3544 memcpy(&pl, r, sizeof(struct protocol_list64_t));
3545 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
3547 outs() << " count " << pl.count << "\n";
3549 p += sizeof(struct protocol_list64_t);
3550 offset += sizeof(struct protocol_list64_t);
3551 for (i = 0; i < pl.count; i++) {
3552 r = get_pointer_64(p, offset, left, S, info);
3556 if (left < sizeof(uint64_t)) {
3557 memcpy(&q, r, left);
3558 outs() << " (protocol_t * entends past the end of the section)\n";
3560 memcpy(&q, r, sizeof(uint64_t));
3561 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
3562 sys::swapByteOrder(q);
3564 outs() << "\t\t list[" << i << "] ";
3565 sym_name = get_symbol_64(offset, S, info, n_value, q);
3567 if (info->verbose && sym_name != nullptr)
3570 outs() << format("0x%" PRIx64, n_value);
3572 outs() << " + " << format("0x%" PRIx64, q);
3574 outs() << format("0x%" PRIx64, q);
3575 outs() << " (struct protocol_t *)\n";
3577 r = get_pointer_64(q + n_value, offset, left, S, info);
3580 memset(&pc, '\0', sizeof(struct protocol64_t));
3581 if (left < sizeof(struct protocol64_t)) {
3582 memcpy(&pc, r, left);
3583 outs() << " (protocol_t entends past the end of the section)\n";
3585 memcpy(&pc, r, sizeof(struct protocol64_t));
3586 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
3589 outs() << "\t\t\t isa " << format("0x%" PRIx64, pc.isa) << "\n";
3591 outs() << "\t\t\t name ";
3592 sym_name = get_symbol_64(offset + offsetof(struct protocol64_t, name), S,
3593 info, n_value, pc.name);
3595 if (info->verbose && sym_name != nullptr)
3598 outs() << format("0x%" PRIx64, n_value);
3600 outs() << " + " << format("0x%" PRIx64, pc.name);
3602 outs() << format("0x%" PRIx64, pc.name);
3603 name = get_pointer_64(pc.name + n_value, xoffset, left, xS, info);
3604 if (name != nullptr)
3605 outs() << format(" %.*s", left, name);
3608 outs() << "\t\t\tprotocols " << format("0x%" PRIx64, pc.protocols) << "\n";
3610 outs() << "\t\t instanceMethods ";
3612 get_symbol_64(offset + offsetof(struct protocol64_t, instanceMethods),
3613 S, info, n_value, pc.instanceMethods);
3615 if (info->verbose && sym_name != nullptr)
3618 outs() << format("0x%" PRIx64, n_value);
3619 if (pc.instanceMethods != 0)
3620 outs() << " + " << format("0x%" PRIx64, pc.instanceMethods);
3622 outs() << format("0x%" PRIx64, pc.instanceMethods);
3623 outs() << " (struct method_list_t *)\n";
3624 if (pc.instanceMethods + n_value != 0)
3625 print_method_list64_t(pc.instanceMethods + n_value, info, "\t");
3627 outs() << "\t\t classMethods ";
3629 get_symbol_64(offset + offsetof(struct protocol64_t, classMethods), S,
3630 info, n_value, pc.classMethods);
3632 if (info->verbose && sym_name != nullptr)
3635 outs() << format("0x%" PRIx64, n_value);
3636 if (pc.classMethods != 0)
3637 outs() << " + " << format("0x%" PRIx64, pc.classMethods);
3639 outs() << format("0x%" PRIx64, pc.classMethods);
3640 outs() << " (struct method_list_t *)\n";
3641 if (pc.classMethods + n_value != 0)
3642 print_method_list64_t(pc.classMethods + n_value, info, "\t");
3644 outs() << "\t optionalInstanceMethods "
3645 << format("0x%" PRIx64, pc.optionalInstanceMethods) << "\n";
3646 outs() << "\t optionalClassMethods "
3647 << format("0x%" PRIx64, pc.optionalClassMethods) << "\n";
3648 outs() << "\t instanceProperties "
3649 << format("0x%" PRIx64, pc.instanceProperties) << "\n";
3651 p += sizeof(uint64_t);
3652 offset += sizeof(uint64_t);
3656 static void print_protocol_list32_t(uint32_t p, struct DisassembleInfo *info) {
3657 struct protocol_list32_t pl;
3659 struct protocol32_t pc;
3661 uint32_t offset, xoffset, left, i;
3665 r = get_pointer_32(p, offset, left, S, info);
3668 memset(&pl, '\0', sizeof(struct protocol_list32_t));
3669 if (left < sizeof(struct protocol_list32_t)) {
3670 memcpy(&pl, r, left);
3671 outs() << " (protocol_list_t entends past the end of the section)\n";
3673 memcpy(&pl, r, sizeof(struct protocol_list32_t));
3674 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
3676 outs() << " count " << pl.count << "\n";
3678 p += sizeof(struct protocol_list32_t);
3679 offset += sizeof(struct protocol_list32_t);
3680 for (i = 0; i < pl.count; i++) {
3681 r = get_pointer_32(p, offset, left, S, info);
3685 if (left < sizeof(uint32_t)) {
3686 memcpy(&q, r, left);
3687 outs() << " (protocol_t * entends past the end of the section)\n";
3689 memcpy(&q, r, sizeof(uint32_t));
3690 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
3691 sys::swapByteOrder(q);
3692 outs() << "\t\t list[" << i << "] " << format("0x%" PRIx32, q)
3693 << " (struct protocol_t *)\n";
3694 r = get_pointer_32(q, offset, left, S, info);
3697 memset(&pc, '\0', sizeof(struct protocol32_t));
3698 if (left < sizeof(struct protocol32_t)) {
3699 memcpy(&pc, r, left);
3700 outs() << " (protocol_t entends past the end of the section)\n";
3702 memcpy(&pc, r, sizeof(struct protocol32_t));
3703 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
3705 outs() << "\t\t\t isa " << format("0x%" PRIx32, pc.isa) << "\n";
3706 outs() << "\t\t\t name " << format("0x%" PRIx32, pc.name);
3707 name = get_pointer_32(pc.name, xoffset, left, xS, info);
3708 if (name != nullptr)
3709 outs() << format(" %.*s", left, name);
3711 outs() << "\t\t\tprotocols " << format("0x%" PRIx32, pc.protocols) << "\n";
3712 outs() << "\t\t instanceMethods "
3713 << format("0x%" PRIx32, pc.instanceMethods)
3714 << " (struct method_list_t *)\n";
3715 if (pc.instanceMethods != 0)
3716 print_method_list32_t(pc.instanceMethods, info, "\t");
3717 outs() << "\t\t classMethods " << format("0x%" PRIx32, pc.classMethods)
3718 << " (struct method_list_t *)\n";
3719 if (pc.classMethods != 0)
3720 print_method_list32_t(pc.classMethods, info, "\t");
3721 outs() << "\t optionalInstanceMethods "
3722 << format("0x%" PRIx32, pc.optionalInstanceMethods) << "\n";
3723 outs() << "\t optionalClassMethods "
3724 << format("0x%" PRIx32, pc.optionalClassMethods) << "\n";
3725 outs() << "\t instanceProperties "
3726 << format("0x%" PRIx32, pc.instanceProperties) << "\n";
3727 p += sizeof(uint32_t);
3728 offset += sizeof(uint32_t);
3732 static void print_indent(uint32_t indent) {
3733 for (uint32_t i = 0; i < indent;) {
3734 if (indent - i >= 8) {
3738 for (uint32_t j = i; j < indent; j++)
3745 static bool print_method_description_list(uint32_t p, uint32_t indent,
3746 struct DisassembleInfo *info) {
3747 uint32_t offset, left, xleft;
3749 struct objc_method_description_list_t mdl;
3750 struct objc_method_description_t md;
3751 const char *r, *list, *name;
3754 r = get_pointer_32(p, offset, left, S, info, true);
3759 if (left > sizeof(struct objc_method_description_list_t)) {
3760 memcpy(&mdl, r, sizeof(struct objc_method_description_list_t));
3762 print_indent(indent);
3763 outs() << " objc_method_description_list extends past end of the section\n";
3764 memset(&mdl, '\0', sizeof(struct objc_method_description_list_t));
3765 memcpy(&mdl, r, left);
3767 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
3770 print_indent(indent);
3771 outs() << " count " << mdl.count << "\n";
3773 list = r + sizeof(struct objc_method_description_list_t);
3774 for (i = 0; i < mdl.count; i++) {
3775 if ((i + 1) * sizeof(struct objc_method_description_t) > left) {
3776 print_indent(indent);
3777 outs() << " remaining list entries extend past the of the section\n";
3780 print_indent(indent);
3781 outs() << " list[" << i << "]\n";
3782 memcpy(&md, list + i * sizeof(struct objc_method_description_t),
3783 sizeof(struct objc_method_description_t));
3784 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
3787 print_indent(indent);
3788 outs() << " name " << format("0x%08" PRIx32, md.name);
3789 if (info->verbose) {
3790 name = get_pointer_32(md.name, offset, xleft, S, info, true);
3791 if (name != nullptr)
3792 outs() << format(" %.*s", xleft, name);
3794 outs() << " (not in an __OBJC section)";
3798 print_indent(indent);
3799 outs() << " types " << format("0x%08" PRIx32, md.types);
3800 if (info->verbose) {
3801 name = get_pointer_32(md.types, offset, xleft, S, info, true);
3802 if (name != nullptr)
3803 outs() << format(" %.*s", xleft, name);
3805 outs() << " (not in an __OBJC section)";
3812 static bool print_protocol_list(uint32_t p, uint32_t indent,
3813 struct DisassembleInfo *info);
3815 static bool print_protocol(uint32_t p, uint32_t indent,
3816 struct DisassembleInfo *info) {
3817 uint32_t offset, left;
3819 struct objc_protocol_t protocol;
3820 const char *r, *name;
3822 r = get_pointer_32(p, offset, left, S, info, true);
3827 if (left >= sizeof(struct objc_protocol_t)) {
3828 memcpy(&protocol, r, sizeof(struct objc_protocol_t));
3830 print_indent(indent);
3831 outs() << " Protocol extends past end of the section\n";
3832 memset(&protocol, '\0', sizeof(struct objc_protocol_t));
3833 memcpy(&protocol, r, left);
3835 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
3836 swapStruct(protocol);
3838 print_indent(indent);
3839 outs() << " isa " << format("0x%08" PRIx32, protocol.isa)
3842 print_indent(indent);
3843 outs() << " protocol_name "
3844 << format("0x%08" PRIx32, protocol.protocol_name);
3845 if (info->verbose) {
3846 name = get_pointer_32(protocol.protocol_name, offset, left, S, info, true);
3847 if (name != nullptr)
3848 outs() << format(" %.*s", left, name);
3850 outs() << " (not in an __OBJC section)";
3854 print_indent(indent);
3855 outs() << " protocol_list "
3856 << format("0x%08" PRIx32, protocol.protocol_list);
3857 if (print_protocol_list(protocol.protocol_list, indent + 4, info))
3858 outs() << " (not in an __OBJC section)\n";
3860 print_indent(indent);
3861 outs() << " instance_methods "
3862 << format("0x%08" PRIx32, protocol.instance_methods);
3863 if (print_method_description_list(protocol.instance_methods, indent, info))
3864 outs() << " (not in an __OBJC section)\n";
3866 print_indent(indent);
3867 outs() << " class_methods "
3868 << format("0x%08" PRIx32, protocol.class_methods);
3869 if (print_method_description_list(protocol.class_methods, indent, info))
3870 outs() << " (not in an __OBJC section)\n";
3875 static bool print_protocol_list(uint32_t p, uint32_t indent,
3876 struct DisassembleInfo *info) {
3877 uint32_t offset, left, l;
3879 struct objc_protocol_list_t protocol_list;
3880 const char *r, *list;
3883 r = get_pointer_32(p, offset, left, S, info, true);
3888 if (left > sizeof(struct objc_protocol_list_t)) {
3889 memcpy(&protocol_list, r, sizeof(struct objc_protocol_list_t));
3891 outs() << "\t\t objc_protocol_list_t extends past end of the section\n";
3892 memset(&protocol_list, '\0', sizeof(struct objc_protocol_list_t));
3893 memcpy(&protocol_list, r, left);
3895 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
3896 swapStruct(protocol_list);
3898 print_indent(indent);
3899 outs() << " next " << format("0x%08" PRIx32, protocol_list.next)
3901 print_indent(indent);
3902 outs() << " count " << protocol_list.count << "\n";
3904 list = r + sizeof(struct objc_protocol_list_t);
3905 for (i = 0; i < protocol_list.count; i++) {
3906 if ((i + 1) * sizeof(uint32_t) > left) {
3907 outs() << "\t\t remaining list entries extend past the of the section\n";
3910 memcpy(&l, list + i * sizeof(uint32_t), sizeof(uint32_t));
3911 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
3912 sys::swapByteOrder(l);
3914 print_indent(indent);
3915 outs() << " list[" << i << "] " << format("0x%08" PRIx32, l);
3916 if (print_protocol(l, indent, info))
3917 outs() << "(not in an __OBJC section)\n";
3922 static void print_ivar_list64_t(uint64_t p, struct DisassembleInfo *info) {
3923 struct ivar_list64_t il;
3926 uint32_t offset, xoffset, left, j;
3928 const char *name, *sym_name, *ivar_offset_p;
3929 uint64_t ivar_offset, n_value;
3931 r = get_pointer_64(p, offset, left, S, info);
3934 memset(&il, '\0', sizeof(struct ivar_list64_t));
3935 if (left < sizeof(struct ivar_list64_t)) {
3936 memcpy(&il, r, left);
3937 outs() << " (ivar_list_t entends past the end of the section)\n";
3939 memcpy(&il, r, sizeof(struct ivar_list64_t));
3940 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
3942 outs() << " entsize " << il.entsize << "\n";
3943 outs() << " count " << il.count << "\n";
3945 p += sizeof(struct ivar_list64_t);
3946 offset += sizeof(struct ivar_list64_t);
3947 for (j = 0; j < il.count; j++) {
3948 r = get_pointer_64(p, offset, left, S, info);
3951 memset(&i, '\0', sizeof(struct ivar64_t));
3952 if (left < sizeof(struct ivar64_t)) {
3953 memcpy(&i, r, left);
3954 outs() << " (ivar_t entends past the end of the section)\n";
3956 memcpy(&i, r, sizeof(struct ivar64_t));
3957 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
3960 outs() << "\t\t\t offset ";
3961 sym_name = get_symbol_64(offset + offsetof(struct ivar64_t, offset), S,
3962 info, n_value, i.offset);
3964 if (info->verbose && sym_name != nullptr)
3967 outs() << format("0x%" PRIx64, n_value);
3969 outs() << " + " << format("0x%" PRIx64, i.offset);
3971 outs() << format("0x%" PRIx64, i.offset);
3972 ivar_offset_p = get_pointer_64(i.offset + n_value, xoffset, left, xS, info);
3973 if (ivar_offset_p != nullptr && left >= sizeof(*ivar_offset_p)) {
3974 memcpy(&ivar_offset, ivar_offset_p, sizeof(ivar_offset));
3975 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
3976 sys::swapByteOrder(ivar_offset);
3977 outs() << " " << ivar_offset << "\n";
3981 outs() << "\t\t\t name ";
3982 sym_name = get_symbol_64(offset + offsetof(struct ivar64_t, name), S, info,
3985 if (info->verbose && sym_name != nullptr)
3988 outs() << format("0x%" PRIx64, n_value);
3990 outs() << " + " << format("0x%" PRIx64, i.name);
3992 outs() << format("0x%" PRIx64, i.name);
3993 name = get_pointer_64(i.name + n_value, xoffset, left, xS, info);
3994 if (name != nullptr)
3995 outs() << format(" %.*s", left, name);
3998 outs() << "\t\t\t type ";
3999 sym_name = get_symbol_64(offset + offsetof(struct ivar64_t, type), S, info,
4001 name = get_pointer_64(i.type + n_value, xoffset, left, xS, info);
4003 if (info->verbose && sym_name != nullptr)
4006 outs() << format("0x%" PRIx64, n_value);
4008 outs() << " + " << format("0x%" PRIx64, i.type);
4010 outs() << format("0x%" PRIx64, i.type);
4011 if (name != nullptr)
4012 outs() << format(" %.*s", left, name);
4015 outs() << "\t\t\talignment " << i.alignment << "\n";
4016 outs() << "\t\t\t size " << i.size << "\n";
4018 p += sizeof(struct ivar64_t);
4019 offset += sizeof(struct ivar64_t);
4023 static void print_ivar_list32_t(uint32_t p, struct DisassembleInfo *info) {
4024 struct ivar_list32_t il;
4027 uint32_t offset, xoffset, left, j;
4029 const char *name, *ivar_offset_p;
4030 uint32_t ivar_offset;
4032 r = get_pointer_32(p, offset, left, S, info);
4035 memset(&il, '\0', sizeof(struct ivar_list32_t));
4036 if (left < sizeof(struct ivar_list32_t)) {
4037 memcpy(&il, r, left);
4038 outs() << " (ivar_list_t entends past the end of the section)\n";
4040 memcpy(&il, r, sizeof(struct ivar_list32_t));
4041 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
4043 outs() << " entsize " << il.entsize << "\n";
4044 outs() << " count " << il.count << "\n";
4046 p += sizeof(struct ivar_list32_t);
4047 offset += sizeof(struct ivar_list32_t);
4048 for (j = 0; j < il.count; j++) {
4049 r = get_pointer_32(p, offset, left, S, info);
4052 memset(&i, '\0', sizeof(struct ivar32_t));
4053 if (left < sizeof(struct ivar32_t)) {
4054 memcpy(&i, r, left);
4055 outs() << " (ivar_t entends past the end of the section)\n";
4057 memcpy(&i, r, sizeof(struct ivar32_t));
4058 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
4061 outs() << "\t\t\t offset " << format("0x%" PRIx32, i.offset);
4062 ivar_offset_p = get_pointer_32(i.offset, xoffset, left, xS, info);
4063 if (ivar_offset_p != nullptr && left >= sizeof(*ivar_offset_p)) {
4064 memcpy(&ivar_offset, ivar_offset_p, sizeof(ivar_offset));
4065 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
4066 sys::swapByteOrder(ivar_offset);
4067 outs() << " " << ivar_offset << "\n";
4071 outs() << "\t\t\t name " << format("0x%" PRIx32, i.name);
4072 name = get_pointer_32(i.name, xoffset, left, xS, info);
4073 if (name != nullptr)
4074 outs() << format(" %.*s", left, name);
4077 outs() << "\t\t\t type " << format("0x%" PRIx32, i.type);
4078 name = get_pointer_32(i.type, xoffset, left, xS, info);
4079 if (name != nullptr)
4080 outs() << format(" %.*s", left, name);
4083 outs() << "\t\t\talignment " << i.alignment << "\n";
4084 outs() << "\t\t\t size " << i.size << "\n";
4086 p += sizeof(struct ivar32_t);
4087 offset += sizeof(struct ivar32_t);
4091 static void print_objc_property_list64(uint64_t p,
4092 struct DisassembleInfo *info) {
4093 struct objc_property_list64 opl;
4094 struct objc_property64 op;
4096 uint32_t offset, xoffset, left, j;
4098 const char *name, *sym_name;
4101 r = get_pointer_64(p, offset, left, S, info);
4104 memset(&opl, '\0', sizeof(struct objc_property_list64));
4105 if (left < sizeof(struct objc_property_list64)) {
4106 memcpy(&opl, r, left);
4107 outs() << " (objc_property_list entends past the end of the section)\n";
4109 memcpy(&opl, r, sizeof(struct objc_property_list64));
4110 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
4112 outs() << " entsize " << opl.entsize << "\n";
4113 outs() << " count " << opl.count << "\n";
4115 p += sizeof(struct objc_property_list64);
4116 offset += sizeof(struct objc_property_list64);
4117 for (j = 0; j < opl.count; j++) {
4118 r = get_pointer_64(p, offset, left, S, info);
4121 memset(&op, '\0', sizeof(struct objc_property64));
4122 if (left < sizeof(struct objc_property64)) {
4123 memcpy(&op, r, left);
4124 outs() << " (objc_property entends past the end of the section)\n";
4126 memcpy(&op, r, sizeof(struct objc_property64));
4127 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
4130 outs() << "\t\t\t name ";
4131 sym_name = get_symbol_64(offset + offsetof(struct objc_property64, name), S,
4132 info, n_value, op.name);
4134 if (info->verbose && sym_name != nullptr)
4137 outs() << format("0x%" PRIx64, n_value);
4139 outs() << " + " << format("0x%" PRIx64, op.name);
4141 outs() << format("0x%" PRIx64, op.name);
4142 name = get_pointer_64(op.name + n_value, xoffset, left, xS, info);
4143 if (name != nullptr)
4144 outs() << format(" %.*s", left, name);
4147 outs() << "\t\t\tattributes ";
4149 get_symbol_64(offset + offsetof(struct objc_property64, attributes), S,
4150 info, n_value, op.attributes);
4152 if (info->verbose && sym_name != nullptr)
4155 outs() << format("0x%" PRIx64, n_value);
4156 if (op.attributes != 0)
4157 outs() << " + " << format("0x%" PRIx64, op.attributes);
4159 outs() << format("0x%" PRIx64, op.attributes);
4160 name = get_pointer_64(op.attributes + n_value, xoffset, left, xS, info);
4161 if (name != nullptr)
4162 outs() << format(" %.*s", left, name);
4165 p += sizeof(struct objc_property64);
4166 offset += sizeof(struct objc_property64);
4170 static void print_objc_property_list32(uint32_t p,
4171 struct DisassembleInfo *info) {
4172 struct objc_property_list32 opl;
4173 struct objc_property32 op;
4175 uint32_t offset, xoffset, left, j;
4179 r = get_pointer_32(p, offset, left, S, info);
4182 memset(&opl, '\0', sizeof(struct objc_property_list32));
4183 if (left < sizeof(struct objc_property_list32)) {
4184 memcpy(&opl, r, left);
4185 outs() << " (objc_property_list entends past the end of the section)\n";
4187 memcpy(&opl, r, sizeof(struct objc_property_list32));
4188 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
4190 outs() << " entsize " << opl.entsize << "\n";
4191 outs() << " count " << opl.count << "\n";
4193 p += sizeof(struct objc_property_list32);
4194 offset += sizeof(struct objc_property_list32);
4195 for (j = 0; j < opl.count; j++) {
4196 r = get_pointer_32(p, offset, left, S, info);
4199 memset(&op, '\0', sizeof(struct objc_property32));
4200 if (left < sizeof(struct objc_property32)) {
4201 memcpy(&op, r, left);
4202 outs() << " (objc_property entends past the end of the section)\n";
4204 memcpy(&op, r, sizeof(struct objc_property32));
4205 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
4208 outs() << "\t\t\t name " << format("0x%" PRIx32, op.name);
4209 name = get_pointer_32(op.name, xoffset, left, xS, info);
4210 if (name != nullptr)
4211 outs() << format(" %.*s", left, name);
4214 outs() << "\t\t\tattributes " << format("0x%" PRIx32, op.attributes);
4215 name = get_pointer_32(op.attributes, xoffset, left, xS, info);
4216 if (name != nullptr)
4217 outs() << format(" %.*s", left, name);
4220 p += sizeof(struct objc_property32);
4221 offset += sizeof(struct objc_property32);
4225 static bool print_class_ro64_t(uint64_t p, struct DisassembleInfo *info,
4226 bool &is_meta_class) {
4227 struct class_ro64_t cro;
4229 uint32_t offset, xoffset, left;
4231 const char *name, *sym_name;
4234 r = get_pointer_64(p, offset, left, S, info);
4235 if (r == nullptr || left < sizeof(struct class_ro64_t))
4237 memset(&cro, '\0', sizeof(struct class_ro64_t));
4238 if (left < sizeof(struct class_ro64_t)) {
4239 memcpy(&cro, r, left);
4240 outs() << " (class_ro_t entends past the end of the section)\n";
4242 memcpy(&cro, r, sizeof(struct class_ro64_t));
4243 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
4245 outs() << " flags " << format("0x%" PRIx32, cro.flags);
4246 if (cro.flags & RO_META)
4247 outs() << " RO_META";
4248 if (cro.flags & RO_ROOT)
4249 outs() << " RO_ROOT";
4250 if (cro.flags & RO_HAS_CXX_STRUCTORS)
4251 outs() << " RO_HAS_CXX_STRUCTORS";
4253 outs() << " instanceStart " << cro.instanceStart << "\n";
4254 outs() << " instanceSize " << cro.instanceSize << "\n";
4255 outs() << " reserved " << format("0x%" PRIx32, cro.reserved)
4257 outs() << " ivarLayout " << format("0x%" PRIx64, cro.ivarLayout)
4259 print_layout_map64(cro.ivarLayout, info);
4262 sym_name = get_symbol_64(offset + offsetof(struct class_ro64_t, name), S,
4263 info, n_value, cro.name);
4265 if (info->verbose && sym_name != nullptr)
4268 outs() << format("0x%" PRIx64, n_value);
4270 outs() << " + " << format("0x%" PRIx64, cro.name);
4272 outs() << format("0x%" PRIx64, cro.name);
4273 name = get_pointer_64(cro.name + n_value, xoffset, left, xS, info);
4274 if (name != nullptr)
4275 outs() << format(" %.*s", left, name);
4278 outs() << " baseMethods ";
4279 sym_name = get_symbol_64(offset + offsetof(struct class_ro64_t, baseMethods),
4280 S, info, n_value, cro.baseMethods);
4282 if (info->verbose && sym_name != nullptr)
4285 outs() << format("0x%" PRIx64, n_value);
4286 if (cro.baseMethods != 0)
4287 outs() << " + " << format("0x%" PRIx64, cro.baseMethods);
4289 outs() << format("0x%" PRIx64, cro.baseMethods);
4290 outs() << " (struct method_list_t *)\n";
4291 if (cro.baseMethods + n_value != 0)
4292 print_method_list64_t(cro.baseMethods + n_value, info, "");
4294 outs() << " baseProtocols ";
4296 get_symbol_64(offset + offsetof(struct class_ro64_t, baseProtocols), S,
4297 info, n_value, cro.baseProtocols);
4299 if (info->verbose && sym_name != nullptr)
4302 outs() << format("0x%" PRIx64, n_value);
4303 if (cro.baseProtocols != 0)
4304 outs() << " + " << format("0x%" PRIx64, cro.baseProtocols);
4306 outs() << format("0x%" PRIx64, cro.baseProtocols);
4308 if (cro.baseProtocols + n_value != 0)
4309 print_protocol_list64_t(cro.baseProtocols + n_value, info);
4311 outs() << " ivars ";
4312 sym_name = get_symbol_64(offset + offsetof(struct class_ro64_t, ivars), S,
4313 info, n_value, cro.ivars);
4315 if (info->verbose && sym_name != nullptr)
4318 outs() << format("0x%" PRIx64, n_value);
4320 outs() << " + " << format("0x%" PRIx64, cro.ivars);
4322 outs() << format("0x%" PRIx64, cro.ivars);
4324 if (cro.ivars + n_value != 0)
4325 print_ivar_list64_t(cro.ivars + n_value, info);
4327 outs() << " weakIvarLayout ";
4329 get_symbol_64(offset + offsetof(struct class_ro64_t, weakIvarLayout), S,
4330 info, n_value, cro.weakIvarLayout);
4332 if (info->verbose && sym_name != nullptr)
4335 outs() << format("0x%" PRIx64, n_value);
4336 if (cro.weakIvarLayout != 0)
4337 outs() << " + " << format("0x%" PRIx64, cro.weakIvarLayout);
4339 outs() << format("0x%" PRIx64, cro.weakIvarLayout);
4341 print_layout_map64(cro.weakIvarLayout + n_value, info);
4343 outs() << " baseProperties ";
4345 get_symbol_64(offset + offsetof(struct class_ro64_t, baseProperties), S,
4346 info, n_value, cro.baseProperties);
4348 if (info->verbose && sym_name != nullptr)
4351 outs() << format("0x%" PRIx64, n_value);
4352 if (cro.baseProperties != 0)
4353 outs() << " + " << format("0x%" PRIx64, cro.baseProperties);
4355 outs() << format("0x%" PRIx64, cro.baseProperties);
4357 if (cro.baseProperties + n_value != 0)
4358 print_objc_property_list64(cro.baseProperties + n_value, info);
4360 is_meta_class = (cro.flags & RO_META) != 0;
4364 static bool print_class_ro32_t(uint32_t p, struct DisassembleInfo *info,
4365 bool &is_meta_class) {
4366 struct class_ro32_t cro;
4368 uint32_t offset, xoffset, left;
4372 r = get_pointer_32(p, offset, left, S, info);
4375 memset(&cro, '\0', sizeof(struct class_ro32_t));
4376 if (left < sizeof(struct class_ro32_t)) {
4377 memcpy(&cro, r, left);
4378 outs() << " (class_ro_t entends past the end of the section)\n";
4380 memcpy(&cro, r, sizeof(struct class_ro32_t));
4381 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
4383 outs() << " flags " << format("0x%" PRIx32, cro.flags);
4384 if (cro.flags & RO_META)
4385 outs() << " RO_META";
4386 if (cro.flags & RO_ROOT)
4387 outs() << " RO_ROOT";
4388 if (cro.flags & RO_HAS_CXX_STRUCTORS)
4389 outs() << " RO_HAS_CXX_STRUCTORS";
4391 outs() << " instanceStart " << cro.instanceStart << "\n";
4392 outs() << " instanceSize " << cro.instanceSize << "\n";
4393 outs() << " ivarLayout " << format("0x%" PRIx32, cro.ivarLayout)
4395 print_layout_map32(cro.ivarLayout, info);
4397 outs() << " name " << format("0x%" PRIx32, cro.name);
4398 name = get_pointer_32(cro.name, xoffset, left, xS, info);
4399 if (name != nullptr)
4400 outs() << format(" %.*s", left, name);
4403 outs() << " baseMethods "
4404 << format("0x%" PRIx32, cro.baseMethods)
4405 << " (struct method_list_t *)\n";
4406 if (cro.baseMethods != 0)
4407 print_method_list32_t(cro.baseMethods, info, "");
4409 outs() << " baseProtocols "
4410 << format("0x%" PRIx32, cro.baseProtocols) << "\n";
4411 if (cro.baseProtocols != 0)
4412 print_protocol_list32_t(cro.baseProtocols, info);
4413 outs() << " ivars " << format("0x%" PRIx32, cro.ivars)
4416 print_ivar_list32_t(cro.ivars, info);
4417 outs() << " weakIvarLayout "
4418 << format("0x%" PRIx32, cro.weakIvarLayout) << "\n";
4419 print_layout_map32(cro.weakIvarLayout, info);
4420 outs() << " baseProperties "
4421 << format("0x%" PRIx32, cro.baseProperties) << "\n";
4422 if (cro.baseProperties != 0)
4423 print_objc_property_list32(cro.baseProperties, info);
4424 is_meta_class = (cro.flags & RO_META) != 0;
4428 static void print_class64_t(uint64_t p, struct DisassembleInfo *info) {
4431 uint32_t offset, left;
4434 uint64_t isa_n_value, n_value;
4436 r = get_pointer_64(p, offset, left, S, info);
4437 if (r == nullptr || left < sizeof(struct class64_t))
4439 memset(&c, '\0', sizeof(struct class64_t));
4440 if (left < sizeof(struct class64_t)) {
4441 memcpy(&c, r, left);
4442 outs() << " (class_t entends past the end of the section)\n";
4444 memcpy(&c, r, sizeof(struct class64_t));
4445 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
4448 outs() << " isa " << format("0x%" PRIx64, c.isa);
4449 name = get_symbol_64(offset + offsetof(struct class64_t, isa), S, info,
4450 isa_n_value, c.isa);
4451 if (name != nullptr)
4452 outs() << " " << name;
4455 outs() << " superclass " << format("0x%" PRIx64, c.superclass);
4456 name = get_symbol_64(offset + offsetof(struct class64_t, superclass), S, info,
4457 n_value, c.superclass);
4458 if (name != nullptr)
4459 outs() << " " << name;
4462 outs() << " cache " << format("0x%" PRIx64, c.cache);
4463 name = get_symbol_64(offset + offsetof(struct class64_t, cache), S, info,
4465 if (name != nullptr)
4466 outs() << " " << name;
4469 outs() << " vtable " << format("0x%" PRIx64, c.vtable);
4470 name = get_symbol_64(offset + offsetof(struct class64_t, vtable), S, info,
4472 if (name != nullptr)
4473 outs() << " " << name;
4476 name = get_symbol_64(offset + offsetof(struct class64_t, data), S, info,
4480 if (info->verbose && name != nullptr)
4483 outs() << format("0x%" PRIx64, n_value);
4485 outs() << " + " << format("0x%" PRIx64, c.data);
4487 outs() << format("0x%" PRIx64, c.data);
4488 outs() << " (struct class_ro_t *)";
4490 // This is a Swift class if some of the low bits of the pointer are set.
4491 if ((c.data + n_value) & 0x7)
4492 outs() << " Swift class";
4495 if (!print_class_ro64_t((c.data + n_value) & ~0x7, info, is_meta_class))
4498 if (!is_meta_class &&
4499 c.isa + isa_n_value != p &&
4500 c.isa + isa_n_value != 0 &&
4501 info->depth < 100) {
4503 outs() << "Meta Class\n";
4504 print_class64_t(c.isa + isa_n_value, info);
4508 static void print_class32_t(uint32_t p, struct DisassembleInfo *info) {
4511 uint32_t offset, left;
4515 r = get_pointer_32(p, offset, left, S, info);
4518 memset(&c, '\0', sizeof(struct class32_t));
4519 if (left < sizeof(struct class32_t)) {
4520 memcpy(&c, r, left);
4521 outs() << " (class_t entends past the end of the section)\n";
4523 memcpy(&c, r, sizeof(struct class32_t));
4524 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
4527 outs() << " isa " << format("0x%" PRIx32, c.isa);
4529 get_symbol_32(offset + offsetof(struct class32_t, isa), S, info, c.isa);
4530 if (name != nullptr)
4531 outs() << " " << name;
4534 outs() << " superclass " << format("0x%" PRIx32, c.superclass);
4535 name = get_symbol_32(offset + offsetof(struct class32_t, superclass), S, info,
4537 if (name != nullptr)
4538 outs() << " " << name;
4541 outs() << " cache " << format("0x%" PRIx32, c.cache);
4542 name = get_symbol_32(offset + offsetof(struct class32_t, cache), S, info,
4544 if (name != nullptr)
4545 outs() << " " << name;
4548 outs() << " vtable " << format("0x%" PRIx32, c.vtable);
4549 name = get_symbol_32(offset + offsetof(struct class32_t, vtable), S, info,
4551 if (name != nullptr)
4552 outs() << " " << name;
4556 get_symbol_32(offset + offsetof(struct class32_t, data), S, info, c.data);
4557 outs() << " data " << format("0x%" PRIx32, c.data)
4558 << " (struct class_ro_t *)";
4560 // This is a Swift class if some of the low bits of the pointer are set.
4562 outs() << " Swift class";
4565 if (!print_class_ro32_t(c.data & ~0x3, info, is_meta_class))
4568 if (!is_meta_class) {
4569 outs() << "Meta Class\n";
4570 print_class32_t(c.isa, info);
4574 static void print_objc_class_t(struct objc_class_t *objc_class,
4575 struct DisassembleInfo *info) {
4576 uint32_t offset, left, xleft;
4577 const char *name, *p, *ivar_list;
4580 struct objc_ivar_list_t objc_ivar_list;
4581 struct objc_ivar_t ivar;
4583 outs() << "\t\t isa " << format("0x%08" PRIx32, objc_class->isa);
4584 if (info->verbose && CLS_GETINFO(objc_class, CLS_META)) {
4585 name = get_pointer_32(objc_class->isa, offset, left, S, info, true);
4586 if (name != nullptr)
4587 outs() << format(" %.*s", left, name);
4589 outs() << " (not in an __OBJC section)";
4593 outs() << "\t super_class "
4594 << format("0x%08" PRIx32, objc_class->super_class);
4595 if (info->verbose) {
4596 name = get_pointer_32(objc_class->super_class, offset, left, S, info, true);
4597 if (name != nullptr)
4598 outs() << format(" %.*s", left, name);
4600 outs() << " (not in an __OBJC section)";
4604 outs() << "\t\t name " << format("0x%08" PRIx32, objc_class->name);
4605 if (info->verbose) {
4606 name = get_pointer_32(objc_class->name, offset, left, S, info, true);
4607 if (name != nullptr)
4608 outs() << format(" %.*s", left, name);
4610 outs() << " (not in an __OBJC section)";
4614 outs() << "\t\t version " << format("0x%08" PRIx32, objc_class->version)
4617 outs() << "\t\t info " << format("0x%08" PRIx32, objc_class->info);
4618 if (info->verbose) {
4619 if (CLS_GETINFO(objc_class, CLS_CLASS))
4620 outs() << " CLS_CLASS";
4621 else if (CLS_GETINFO(objc_class, CLS_META))
4622 outs() << " CLS_META";
4626 outs() << "\t instance_size "
4627 << format("0x%08" PRIx32, objc_class->instance_size) << "\n";
4629 p = get_pointer_32(objc_class->ivars, offset, left, S, info, true);
4630 outs() << "\t\t ivars " << format("0x%08" PRIx32, objc_class->ivars);
4632 if (left > sizeof(struct objc_ivar_list_t)) {
4634 memcpy(&objc_ivar_list, p, sizeof(struct objc_ivar_list_t));
4636 outs() << " (entends past the end of the section)\n";
4637 memset(&objc_ivar_list, '\0', sizeof(struct objc_ivar_list_t));
4638 memcpy(&objc_ivar_list, p, left);
4640 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
4641 swapStruct(objc_ivar_list);
4642 outs() << "\t\t ivar_count " << objc_ivar_list.ivar_count << "\n";
4643 ivar_list = p + sizeof(struct objc_ivar_list_t);
4644 for (i = 0; i < objc_ivar_list.ivar_count; i++) {
4645 if ((i + 1) * sizeof(struct objc_ivar_t) > left) {
4646 outs() << "\t\t remaining ivar's extend past the of the section\n";
4649 memcpy(&ivar, ivar_list + i * sizeof(struct objc_ivar_t),
4650 sizeof(struct objc_ivar_t));
4651 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
4654 outs() << "\t\t\tivar_name " << format("0x%08" PRIx32, ivar.ivar_name);
4655 if (info->verbose) {
4656 name = get_pointer_32(ivar.ivar_name, offset, xleft, S, info, true);
4657 if (name != nullptr)
4658 outs() << format(" %.*s", xleft, name);
4660 outs() << " (not in an __OBJC section)";
4664 outs() << "\t\t\tivar_type " << format("0x%08" PRIx32, ivar.ivar_type);
4665 if (info->verbose) {
4666 name = get_pointer_32(ivar.ivar_type, offset, xleft, S, info, true);
4667 if (name != nullptr)
4668 outs() << format(" %.*s", xleft, name);
4670 outs() << " (not in an __OBJC section)";
4674 outs() << "\t\t ivar_offset "
4675 << format("0x%08" PRIx32, ivar.ivar_offset) << "\n";
4678 outs() << " (not in an __OBJC section)\n";
4681 outs() << "\t\t methods " << format("0x%08" PRIx32, objc_class->methodLists);
4682 if (print_method_list(objc_class->methodLists, info))
4683 outs() << " (not in an __OBJC section)\n";
4685 outs() << "\t\t cache " << format("0x%08" PRIx32, objc_class->cache)
4688 outs() << "\t\tprotocols " << format("0x%08" PRIx32, objc_class->protocols);
4689 if (print_protocol_list(objc_class->protocols, 16, info))
4690 outs() << " (not in an __OBJC section)\n";
4693 static void print_objc_objc_category_t(struct objc_category_t *objc_category,
4694 struct DisassembleInfo *info) {
4695 uint32_t offset, left;
4699 outs() << "\t category name "
4700 << format("0x%08" PRIx32, objc_category->category_name);
4701 if (info->verbose) {
4702 name = get_pointer_32(objc_category->category_name, offset, left, S, info,
4704 if (name != nullptr)
4705 outs() << format(" %.*s", left, name);
4707 outs() << " (not in an __OBJC section)";
4711 outs() << "\t\t class name "
4712 << format("0x%08" PRIx32, objc_category->class_name);
4713 if (info->verbose) {
4715 get_pointer_32(objc_category->class_name, offset, left, S, info, true);
4716 if (name != nullptr)
4717 outs() << format(" %.*s", left, name);
4719 outs() << " (not in an __OBJC section)";
4723 outs() << "\t instance methods "
4724 << format("0x%08" PRIx32, objc_category->instance_methods);
4725 if (print_method_list(objc_category->instance_methods, info))
4726 outs() << " (not in an __OBJC section)\n";
4728 outs() << "\t class methods "
4729 << format("0x%08" PRIx32, objc_category->class_methods);
4730 if (print_method_list(objc_category->class_methods, info))
4731 outs() << " (not in an __OBJC section)\n";
4734 static void print_category64_t(uint64_t p, struct DisassembleInfo *info) {
4735 struct category64_t c;
4737 uint32_t offset, xoffset, left;
4739 const char *name, *sym_name;
4742 r = get_pointer_64(p, offset, left, S, info);
4745 memset(&c, '\0', sizeof(struct category64_t));
4746 if (left < sizeof(struct category64_t)) {
4747 memcpy(&c, r, left);
4748 outs() << " (category_t entends past the end of the section)\n";
4750 memcpy(&c, r, sizeof(struct category64_t));
4751 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
4755 sym_name = get_symbol_64(offset + offsetof(struct category64_t, name), S,
4756 info, n_value, c.name);
4758 if (info->verbose && sym_name != nullptr)
4761 outs() << format("0x%" PRIx64, n_value);
4763 outs() << " + " << format("0x%" PRIx64, c.name);
4765 outs() << format("0x%" PRIx64, c.name);
4766 name = get_pointer_64(c.name + n_value, xoffset, left, xS, info);
4767 if (name != nullptr)
4768 outs() << format(" %.*s", left, name);
4772 sym_name = get_symbol_64(offset + offsetof(struct category64_t, cls), S, info,
4775 if (info->verbose && sym_name != nullptr)
4778 outs() << format("0x%" PRIx64, n_value);
4780 outs() << " + " << format("0x%" PRIx64, c.cls);
4782 outs() << format("0x%" PRIx64, c.cls);
4784 if (c.cls + n_value != 0)
4785 print_class64_t(c.cls + n_value, info);
4787 outs() << " instanceMethods ";
4789 get_symbol_64(offset + offsetof(struct category64_t, instanceMethods), S,
4790 info, n_value, c.instanceMethods);
4792 if (info->verbose && sym_name != nullptr)
4795 outs() << format("0x%" PRIx64, n_value);
4796 if (c.instanceMethods != 0)
4797 outs() << " + " << format("0x%" PRIx64, c.instanceMethods);
4799 outs() << format("0x%" PRIx64, c.instanceMethods);
4801 if (c.instanceMethods + n_value != 0)
4802 print_method_list64_t(c.instanceMethods + n_value, info, "");
4804 outs() << " classMethods ";
4805 sym_name = get_symbol_64(offset + offsetof(struct category64_t, classMethods),
4806 S, info, n_value, c.classMethods);
4808 if (info->verbose && sym_name != nullptr)
4811 outs() << format("0x%" PRIx64, n_value);
4812 if (c.classMethods != 0)
4813 outs() << " + " << format("0x%" PRIx64, c.classMethods);
4815 outs() << format("0x%" PRIx64, c.classMethods);
4817 if (c.classMethods + n_value != 0)
4818 print_method_list64_t(c.classMethods + n_value, info, "");
4820 outs() << " protocols ";
4821 sym_name = get_symbol_64(offset + offsetof(struct category64_t, protocols), S,
4822 info, n_value, c.protocols);
4824 if (info->verbose && sym_name != nullptr)
4827 outs() << format("0x%" PRIx64, n_value);
4828 if (c.protocols != 0)
4829 outs() << " + " << format("0x%" PRIx64, c.protocols);
4831 outs() << format("0x%" PRIx64, c.protocols);
4833 if (c.protocols + n_value != 0)
4834 print_protocol_list64_t(c.protocols + n_value, info);
4836 outs() << "instanceProperties ";
4838 get_symbol_64(offset + offsetof(struct category64_t, instanceProperties),
4839 S, info, n_value, c.instanceProperties);
4841 if (info->verbose && sym_name != nullptr)
4844 outs() << format("0x%" PRIx64, n_value);
4845 if (c.instanceProperties != 0)
4846 outs() << " + " << format("0x%" PRIx64, c.instanceProperties);
4848 outs() << format("0x%" PRIx64, c.instanceProperties);
4850 if (c.instanceProperties + n_value != 0)
4851 print_objc_property_list64(c.instanceProperties + n_value, info);
4854 static void print_category32_t(uint32_t p, struct DisassembleInfo *info) {
4855 struct category32_t c;
4857 uint32_t offset, left;
4861 r = get_pointer_32(p, offset, left, S, info);
4864 memset(&c, '\0', sizeof(struct category32_t));
4865 if (left < sizeof(struct category32_t)) {
4866 memcpy(&c, r, left);
4867 outs() << " (category_t entends past the end of the section)\n";
4869 memcpy(&c, r, sizeof(struct category32_t));
4870 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
4873 outs() << " name " << format("0x%" PRIx32, c.name);
4874 name = get_symbol_32(offset + offsetof(struct category32_t, name), S, info,
4877 outs() << " " << name;
4880 outs() << " cls " << format("0x%" PRIx32, c.cls) << "\n";
4882 print_class32_t(c.cls, info);
4883 outs() << " instanceMethods " << format("0x%" PRIx32, c.instanceMethods)
4885 if (c.instanceMethods != 0)
4886 print_method_list32_t(c.instanceMethods, info, "");
4887 outs() << " classMethods " << format("0x%" PRIx32, c.classMethods)
4889 if (c.classMethods != 0)
4890 print_method_list32_t(c.classMethods, info, "");
4891 outs() << " protocols " << format("0x%" PRIx32, c.protocols) << "\n";
4892 if (c.protocols != 0)
4893 print_protocol_list32_t(c.protocols, info);
4894 outs() << "instanceProperties " << format("0x%" PRIx32, c.instanceProperties)
4896 if (c.instanceProperties != 0)
4897 print_objc_property_list32(c.instanceProperties, info);
4900 static void print_message_refs64(SectionRef S, struct DisassembleInfo *info) {
4901 uint32_t i, left, offset, xoffset;
4902 uint64_t p, n_value;
4903 struct message_ref64 mr;
4904 const char *name, *sym_name;
4908 if (S == SectionRef())
4912 S.getName(SectName);
4913 DataRefImpl Ref = S.getRawDataRefImpl();
4914 StringRef SegName = info->O->getSectionFinalSegmentName(Ref);
4915 outs() << "Contents of (" << SegName << "," << SectName << ") section\n";
4917 for (i = 0; i < S.getSize(); i += sizeof(struct message_ref64)) {
4918 p = S.getAddress() + i;
4919 r = get_pointer_64(p, offset, left, S, info);
4922 memset(&mr, '\0', sizeof(struct message_ref64));
4923 if (left < sizeof(struct message_ref64)) {
4924 memcpy(&mr, r, left);
4925 outs() << " (message_ref entends past the end of the section)\n";
4927 memcpy(&mr, r, sizeof(struct message_ref64));
4928 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
4932 name = get_symbol_64(offset + offsetof(struct message_ref64, imp), S, info,
4935 outs() << format("0x%" PRIx64, n_value) << " ";
4937 outs() << "+ " << format("0x%" PRIx64, mr.imp) << " ";
4939 outs() << format("0x%" PRIx64, mr.imp) << " ";
4940 if (name != nullptr)
4941 outs() << " " << name;
4945 sym_name = get_symbol_64(offset + offsetof(struct message_ref64, sel), S,
4946 info, n_value, mr.sel);
4948 if (info->verbose && sym_name != nullptr)
4951 outs() << format("0x%" PRIx64, n_value);
4953 outs() << " + " << format("0x%" PRIx64, mr.sel);
4955 outs() << format("0x%" PRIx64, mr.sel);
4956 name = get_pointer_64(mr.sel + n_value, xoffset, left, xS, info);
4957 if (name != nullptr)
4958 outs() << format(" %.*s", left, name);
4961 offset += sizeof(struct message_ref64);
4965 static void print_message_refs32(SectionRef S, struct DisassembleInfo *info) {
4966 uint32_t i, left, offset, xoffset, p;
4967 struct message_ref32 mr;
4968 const char *name, *r;
4971 if (S == SectionRef())
4975 S.getName(SectName);
4976 DataRefImpl Ref = S.getRawDataRefImpl();
4977 StringRef SegName = info->O->getSectionFinalSegmentName(Ref);
4978 outs() << "Contents of (" << SegName << "," << SectName << ") section\n";
4980 for (i = 0; i < S.getSize(); i += sizeof(struct message_ref64)) {
4981 p = S.getAddress() + i;
4982 r = get_pointer_32(p, offset, left, S, info);
4985 memset(&mr, '\0', sizeof(struct message_ref32));
4986 if (left < sizeof(struct message_ref32)) {
4987 memcpy(&mr, r, left);
4988 outs() << " (message_ref entends past the end of the section)\n";
4990 memcpy(&mr, r, sizeof(struct message_ref32));
4991 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
4994 outs() << " imp " << format("0x%" PRIx32, mr.imp);
4995 name = get_symbol_32(offset + offsetof(struct message_ref32, imp), S, info,
4997 if (name != nullptr)
4998 outs() << " " << name;
5001 outs() << " sel " << format("0x%" PRIx32, mr.sel);
5002 name = get_pointer_32(mr.sel, xoffset, left, xS, info);
5003 if (name != nullptr)
5004 outs() << " " << name;
5007 offset += sizeof(struct message_ref32);
5011 static void print_image_info64(SectionRef S, struct DisassembleInfo *info) {
5012 uint32_t left, offset, swift_version;
5014 struct objc_image_info64 o;
5017 if (S == SectionRef())
5021 S.getName(SectName);
5022 DataRefImpl Ref = S.getRawDataRefImpl();
5023 StringRef SegName = info->O->getSectionFinalSegmentName(Ref);
5024 outs() << "Contents of (" << SegName << "," << SectName << ") section\n";
5026 r = get_pointer_64(p, offset, left, S, info);
5029 memset(&o, '\0', sizeof(struct objc_image_info64));
5030 if (left < sizeof(struct objc_image_info64)) {
5031 memcpy(&o, r, left);
5032 outs() << " (objc_image_info entends past the end of the section)\n";
5034 memcpy(&o, r, sizeof(struct objc_image_info64));
5035 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
5037 outs() << " version " << o.version << "\n";
5038 outs() << " flags " << format("0x%" PRIx32, o.flags);
5039 if (o.flags & OBJC_IMAGE_IS_REPLACEMENT)
5040 outs() << " OBJC_IMAGE_IS_REPLACEMENT";
5041 if (o.flags & OBJC_IMAGE_SUPPORTS_GC)
5042 outs() << " OBJC_IMAGE_SUPPORTS_GC";
5043 swift_version = (o.flags >> 8) & 0xff;
5044 if (swift_version != 0) {
5045 if (swift_version == 1)
5046 outs() << " Swift 1.0";
5047 else if (swift_version == 2)
5048 outs() << " Swift 1.1";
5050 outs() << " unknown future Swift version (" << swift_version << ")";
5055 static void print_image_info32(SectionRef S, struct DisassembleInfo *info) {
5056 uint32_t left, offset, swift_version, p;
5057 struct objc_image_info32 o;
5061 S.getName(SectName);
5062 DataRefImpl Ref = S.getRawDataRefImpl();
5063 StringRef SegName = info->O->getSectionFinalSegmentName(Ref);
5064 outs() << "Contents of (" << SegName << "," << SectName << ") section\n";
5066 r = get_pointer_32(p, offset, left, S, info);
5069 memset(&o, '\0', sizeof(struct objc_image_info32));
5070 if (left < sizeof(struct objc_image_info32)) {
5071 memcpy(&o, r, left);
5072 outs() << " (objc_image_info entends past the end of the section)\n";
5074 memcpy(&o, r, sizeof(struct objc_image_info32));
5075 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
5077 outs() << " version " << o.version << "\n";
5078 outs() << " flags " << format("0x%" PRIx32, o.flags);
5079 if (o.flags & OBJC_IMAGE_IS_REPLACEMENT)
5080 outs() << " OBJC_IMAGE_IS_REPLACEMENT";
5081 if (o.flags & OBJC_IMAGE_SUPPORTS_GC)
5082 outs() << " OBJC_IMAGE_SUPPORTS_GC";
5083 swift_version = (o.flags >> 8) & 0xff;
5084 if (swift_version != 0) {
5085 if (swift_version == 1)
5086 outs() << " Swift 1.0";
5087 else if (swift_version == 2)
5088 outs() << " Swift 1.1";
5090 outs() << " unknown future Swift version (" << swift_version << ")";
5095 static void print_image_info(SectionRef S, struct DisassembleInfo *info) {
5096 uint32_t left, offset, p;
5097 struct imageInfo_t o;
5101 S.getName(SectName);
5102 DataRefImpl Ref = S.getRawDataRefImpl();
5103 StringRef SegName = info->O->getSectionFinalSegmentName(Ref);
5104 outs() << "Contents of (" << SegName << "," << SectName << ") section\n";
5106 r = get_pointer_32(p, offset, left, S, info);
5109 memset(&o, '\0', sizeof(struct imageInfo_t));
5110 if (left < sizeof(struct imageInfo_t)) {
5111 memcpy(&o, r, left);
5112 outs() << " (imageInfo entends past the end of the section)\n";
5114 memcpy(&o, r, sizeof(struct imageInfo_t));
5115 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
5117 outs() << " version " << o.version << "\n";
5118 outs() << " flags " << format("0x%" PRIx32, o.flags);
5124 outs() << " GC-only";
5130 static void printObjc2_64bit_MetaData(MachOObjectFile *O, bool verbose) {
5131 SymbolAddressMap AddrMap;
5133 CreateSymbolAddressMap(O, &AddrMap);
5135 std::vector<SectionRef> Sections;
5136 for (const SectionRef &Section : O->sections()) {
5138 Section.getName(SectName);
5139 Sections.push_back(Section);
5142 struct DisassembleInfo info;
5143 // Set up the block of info used by the Symbolizer call backs.
5144 info.verbose = verbose;
5146 info.AddrMap = &AddrMap;
5147 info.Sections = &Sections;
5148 info.class_name = nullptr;
5149 info.selector_name = nullptr;
5150 info.method = nullptr;
5151 info.demangled_name = nullptr;
5152 info.bindtable = nullptr;
5157 SectionRef CL = get_section(O, "__OBJC2", "__class_list");
5158 if (CL == SectionRef())
5159 CL = get_section(O, "__DATA", "__objc_classlist");
5161 walk_pointer_list_64("class", CL, O, &info, print_class64_t);
5163 SectionRef CR = get_section(O, "__OBJC2", "__class_refs");
5164 if (CR == SectionRef())
5165 CR = get_section(O, "__DATA", "__objc_classrefs");
5167 walk_pointer_list_64("class refs", CR, O, &info, nullptr);
5169 SectionRef SR = get_section(O, "__OBJC2", "__super_refs");
5170 if (SR == SectionRef())
5171 SR = get_section(O, "__DATA", "__objc_superrefs");
5173 walk_pointer_list_64("super refs", SR, O, &info, nullptr);
5175 SectionRef CA = get_section(O, "__OBJC2", "__category_list");
5176 if (CA == SectionRef())
5177 CA = get_section(O, "__DATA", "__objc_catlist");
5179 walk_pointer_list_64("category", CA, O, &info, print_category64_t);
5181 SectionRef PL = get_section(O, "__OBJC2", "__protocol_list");
5182 if (PL == SectionRef())
5183 PL = get_section(O, "__DATA", "__objc_protolist");
5185 walk_pointer_list_64("protocol", PL, O, &info, nullptr);
5187 SectionRef MR = get_section(O, "__OBJC2", "__message_refs");
5188 if (MR == SectionRef())
5189 MR = get_section(O, "__DATA", "__objc_msgrefs");
5191 print_message_refs64(MR, &info);
5193 SectionRef II = get_section(O, "__OBJC2", "__image_info");
5194 if (II == SectionRef())
5195 II = get_section(O, "__DATA", "__objc_imageinfo");
5197 print_image_info64(II, &info);
5199 if (info.bindtable != nullptr)
5200 delete info.bindtable;
5203 static void printObjc2_32bit_MetaData(MachOObjectFile *O, bool verbose) {
5204 SymbolAddressMap AddrMap;
5206 CreateSymbolAddressMap(O, &AddrMap);
5208 std::vector<SectionRef> Sections;
5209 for (const SectionRef &Section : O->sections()) {
5211 Section.getName(SectName);
5212 Sections.push_back(Section);
5215 struct DisassembleInfo info;
5216 // Set up the block of info used by the Symbolizer call backs.
5217 info.verbose = verbose;
5219 info.AddrMap = &AddrMap;
5220 info.Sections = &Sections;
5221 info.class_name = nullptr;
5222 info.selector_name = nullptr;
5223 info.method = nullptr;
5224 info.demangled_name = nullptr;
5225 info.bindtable = nullptr;
5229 const SectionRef CL = get_section(O, "__OBJC2", "__class_list");
5230 if (CL != SectionRef()) {
5232 walk_pointer_list_32("class", CL, O, &info, print_class32_t);
5234 const SectionRef CL = get_section(O, "__DATA", "__objc_classlist");
5236 walk_pointer_list_32("class", CL, O, &info, print_class32_t);
5239 const SectionRef CR = get_section(O, "__OBJC2", "__class_refs");
5240 if (CR != SectionRef()) {
5242 walk_pointer_list_32("class refs", CR, O, &info, nullptr);
5244 const SectionRef CR = get_section(O, "__DATA", "__objc_classrefs");
5246 walk_pointer_list_32("class refs", CR, O, &info, nullptr);
5249 const SectionRef SR = get_section(O, "__OBJC2", "__super_refs");
5250 if (SR != SectionRef()) {
5252 walk_pointer_list_32("super refs", SR, O, &info, nullptr);
5254 const SectionRef SR = get_section(O, "__DATA", "__objc_superrefs");
5256 walk_pointer_list_32("super refs", SR, O, &info, nullptr);
5259 const SectionRef CA = get_section(O, "__OBJC2", "__category_list");
5260 if (CA != SectionRef()) {
5262 walk_pointer_list_32("category", CA, O, &info, print_category32_t);
5264 const SectionRef CA = get_section(O, "__DATA", "__objc_catlist");
5266 walk_pointer_list_32("category", CA, O, &info, print_category32_t);
5269 const SectionRef PL = get_section(O, "__OBJC2", "__protocol_list");
5270 if (PL != SectionRef()) {
5272 walk_pointer_list_32("protocol", PL, O, &info, nullptr);
5274 const SectionRef PL = get_section(O, "__DATA", "__objc_protolist");
5276 walk_pointer_list_32("protocol", PL, O, &info, nullptr);
5279 const SectionRef MR = get_section(O, "__OBJC2", "__message_refs");
5280 if (MR != SectionRef()) {
5282 print_message_refs32(MR, &info);
5284 const SectionRef MR = get_section(O, "__DATA", "__objc_msgrefs");
5286 print_message_refs32(MR, &info);
5289 const SectionRef II = get_section(O, "__OBJC2", "__image_info");
5290 if (II != SectionRef()) {
5292 print_image_info32(II, &info);
5294 const SectionRef II = get_section(O, "__DATA", "__objc_imageinfo");
5296 print_image_info32(II, &info);
5300 static bool printObjc1_32bit_MetaData(MachOObjectFile *O, bool verbose) {
5301 uint32_t i, j, p, offset, xoffset, left, defs_left, def;
5302 const char *r, *name, *defs;
5303 struct objc_module_t module;
5305 struct objc_symtab_t symtab;
5306 struct objc_class_t objc_class;
5307 struct objc_category_t objc_category;
5309 outs() << "Objective-C segment\n";
5310 S = get_section(O, "__OBJC", "__module_info");
5311 if (S == SectionRef())
5314 SymbolAddressMap AddrMap;
5316 CreateSymbolAddressMap(O, &AddrMap);
5318 std::vector<SectionRef> Sections;
5319 for (const SectionRef &Section : O->sections()) {
5321 Section.getName(SectName);
5322 Sections.push_back(Section);
5325 struct DisassembleInfo info;
5326 // Set up the block of info used by the Symbolizer call backs.
5327 info.verbose = verbose;
5329 info.AddrMap = &AddrMap;
5330 info.Sections = &Sections;
5331 info.class_name = nullptr;
5332 info.selector_name = nullptr;
5333 info.method = nullptr;
5334 info.demangled_name = nullptr;
5335 info.bindtable = nullptr;
5339 for (i = 0; i < S.getSize(); i += sizeof(struct objc_module_t)) {
5340 p = S.getAddress() + i;
5341 r = get_pointer_32(p, offset, left, S, &info, true);
5344 memset(&module, '\0', sizeof(struct objc_module_t));
5345 if (left < sizeof(struct objc_module_t)) {
5346 memcpy(&module, r, left);
5347 outs() << " (module extends past end of __module_info section)\n";
5349 memcpy(&module, r, sizeof(struct objc_module_t));
5350 if (O->isLittleEndian() != sys::IsLittleEndianHost)
5353 outs() << "Module " << format("0x%" PRIx32, p) << "\n";
5354 outs() << " version " << module.version << "\n";
5355 outs() << " size " << module.size << "\n";
5357 name = get_pointer_32(module.name, xoffset, left, xS, &info, true);
5358 if (name != nullptr)
5359 outs() << format("%.*s", left, name);
5361 outs() << format("0x%08" PRIx32, module.name)
5362 << "(not in an __OBJC section)";
5365 r = get_pointer_32(module.symtab, xoffset, left, xS, &info, true);
5366 if (module.symtab == 0 || r == nullptr) {
5367 outs() << " symtab " << format("0x%08" PRIx32, module.symtab)
5368 << " (not in an __OBJC section)\n";
5371 outs() << " symtab " << format("0x%08" PRIx32, module.symtab) << "\n";
5372 memset(&symtab, '\0', sizeof(struct objc_symtab_t));
5375 if (left < sizeof(struct objc_symtab_t)) {
5376 memcpy(&symtab, r, left);
5377 outs() << "\tsymtab extends past end of an __OBJC section)\n";
5379 memcpy(&symtab, r, sizeof(struct objc_symtab_t));
5380 if (left > sizeof(struct objc_symtab_t)) {
5381 defs_left = left - sizeof(struct objc_symtab_t);
5382 defs = r + sizeof(struct objc_symtab_t);
5385 if (O->isLittleEndian() != sys::IsLittleEndianHost)
5388 outs() << "\tsel_ref_cnt " << symtab.sel_ref_cnt << "\n";
5389 r = get_pointer_32(symtab.refs, xoffset, left, xS, &info, true);
5390 outs() << "\trefs " << format("0x%08" PRIx32, symtab.refs);
5392 outs() << " (not in an __OBJC section)";
5394 outs() << "\tcls_def_cnt " << symtab.cls_def_cnt << "\n";
5395 outs() << "\tcat_def_cnt " << symtab.cat_def_cnt << "\n";
5396 if (symtab.cls_def_cnt > 0)
5397 outs() << "\tClass Definitions\n";
5398 for (j = 0; j < symtab.cls_def_cnt; j++) {
5399 if ((j + 1) * sizeof(uint32_t) > defs_left) {
5400 outs() << "\t(remaining class defs entries entends past the end of the "
5404 memcpy(&def, defs + j * sizeof(uint32_t), sizeof(uint32_t));
5405 if (O->isLittleEndian() != sys::IsLittleEndianHost)
5406 sys::swapByteOrder(def);
5408 r = get_pointer_32(def, xoffset, left, xS, &info, true);
5409 outs() << "\tdefs[" << j << "] " << format("0x%08" PRIx32, def);
5411 if (left > sizeof(struct objc_class_t)) {
5413 memcpy(&objc_class, r, sizeof(struct objc_class_t));
5415 outs() << " (entends past the end of the section)\n";
5416 memset(&objc_class, '\0', sizeof(struct objc_class_t));
5417 memcpy(&objc_class, r, left);
5419 if (O->isLittleEndian() != sys::IsLittleEndianHost)
5420 swapStruct(objc_class);
5421 print_objc_class_t(&objc_class, &info);
5423 outs() << "(not in an __OBJC section)\n";
5426 if (CLS_GETINFO(&objc_class, CLS_CLASS)) {
5427 outs() << "\tMeta Class";
5428 r = get_pointer_32(objc_class.isa, xoffset, left, xS, &info, true);
5430 if (left > sizeof(struct objc_class_t)) {
5432 memcpy(&objc_class, r, sizeof(struct objc_class_t));
5434 outs() << " (entends past the end of the section)\n";
5435 memset(&objc_class, '\0', sizeof(struct objc_class_t));
5436 memcpy(&objc_class, r, left);
5438 if (O->isLittleEndian() != sys::IsLittleEndianHost)
5439 swapStruct(objc_class);
5440 print_objc_class_t(&objc_class, &info);
5442 outs() << "(not in an __OBJC section)\n";
5446 if (symtab.cat_def_cnt > 0)
5447 outs() << "\tCategory Definitions\n";
5448 for (j = 0; j < symtab.cat_def_cnt; j++) {
5449 if ((j + symtab.cls_def_cnt + 1) * sizeof(uint32_t) > defs_left) {
5450 outs() << "\t(remaining category defs entries entends past the end of "
5451 << "the section)\n";
5454 memcpy(&def, defs + (j + symtab.cls_def_cnt) * sizeof(uint32_t),
5456 if (O->isLittleEndian() != sys::IsLittleEndianHost)
5457 sys::swapByteOrder(def);
5459 r = get_pointer_32(def, xoffset, left, xS, &info, true);
5460 outs() << "\tdefs[" << j + symtab.cls_def_cnt << "] "
5461 << format("0x%08" PRIx32, def);
5463 if (left > sizeof(struct objc_category_t)) {
5465 memcpy(&objc_category, r, sizeof(struct objc_category_t));
5467 outs() << " (entends past the end of the section)\n";
5468 memset(&objc_category, '\0', sizeof(struct objc_category_t));
5469 memcpy(&objc_category, r, left);
5471 if (O->isLittleEndian() != sys::IsLittleEndianHost)
5472 swapStruct(objc_category);
5473 print_objc_objc_category_t(&objc_category, &info);
5475 outs() << "(not in an __OBJC section)\n";
5479 const SectionRef II = get_section(O, "__OBJC", "__image_info");
5480 if (II != SectionRef())
5481 print_image_info(II, &info);
5486 static void DumpProtocolSection(MachOObjectFile *O, const char *sect,
5487 uint32_t size, uint32_t addr) {
5488 SymbolAddressMap AddrMap;
5489 CreateSymbolAddressMap(O, &AddrMap);
5491 std::vector<SectionRef> Sections;
5492 for (const SectionRef &Section : O->sections()) {
5494 Section.getName(SectName);
5495 Sections.push_back(Section);
5498 struct DisassembleInfo info;
5499 // Set up the block of info used by the Symbolizer call backs.
5500 info.verbose = true;
5502 info.AddrMap = &AddrMap;
5503 info.Sections = &Sections;
5504 info.class_name = nullptr;
5505 info.selector_name = nullptr;
5506 info.method = nullptr;
5507 info.demangled_name = nullptr;
5508 info.bindtable = nullptr;
5513 struct objc_protocol_t protocol;
5514 uint32_t left, paddr;
5515 for (p = sect; p < sect + size; p += sizeof(struct objc_protocol_t)) {
5516 memset(&protocol, '\0', sizeof(struct objc_protocol_t));
5517 left = size - (p - sect);
5518 if (left < sizeof(struct objc_protocol_t)) {
5519 outs() << "Protocol extends past end of __protocol section\n";
5520 memcpy(&protocol, p, left);
5522 memcpy(&protocol, p, sizeof(struct objc_protocol_t));
5523 if (O->isLittleEndian() != sys::IsLittleEndianHost)
5524 swapStruct(protocol);
5525 paddr = addr + (p - sect);
5526 outs() << "Protocol " << format("0x%" PRIx32, paddr);
5527 if (print_protocol(paddr, 0, &info))
5528 outs() << "(not in an __OBJC section)\n";
5532 static void printObjcMetaData(MachOObjectFile *O, bool verbose) {
5534 printObjc2_64bit_MetaData(O, verbose);
5536 MachO::mach_header H;
5538 if (H.cputype == MachO::CPU_TYPE_ARM)
5539 printObjc2_32bit_MetaData(O, verbose);
5541 // This is the 32-bit non-arm cputype case. Which is normally
5542 // the first Objective-C ABI. But it may be the case of a
5543 // binary for the iOS simulator which is the second Objective-C
5544 // ABI. In that case printObjc1_32bit_MetaData() will determine that
5545 // and return false.
5546 if (!printObjc1_32bit_MetaData(O, verbose))
5547 printObjc2_32bit_MetaData(O, verbose);
5552 // GuessLiteralPointer returns a string which for the item in the Mach-O file
5553 // for the address passed in as ReferenceValue for printing as a comment with
5554 // the instruction and also returns the corresponding type of that item
5555 // indirectly through ReferenceType.
5557 // If ReferenceValue is an address of literal cstring then a pointer to the
5558 // cstring is returned and ReferenceType is set to
5559 // LLVMDisassembler_ReferenceType_Out_LitPool_CstrAddr .
5561 // If ReferenceValue is an address of an Objective-C CFString, Selector ref or
5562 // Class ref that name is returned and the ReferenceType is set accordingly.
5564 // Lastly, literals which are Symbol address in a literal pool are looked for
5565 // and if found the symbol name is returned and ReferenceType is set to
5566 // LLVMDisassembler_ReferenceType_Out_LitPool_SymAddr .
5568 // If there is no item in the Mach-O file for the address passed in as
5569 // ReferenceValue nullptr is returned and ReferenceType is unchanged.
5570 static const char *GuessLiteralPointer(uint64_t ReferenceValue,
5571 uint64_t ReferencePC,
5572 uint64_t *ReferenceType,
5573 struct DisassembleInfo *info) {
5574 // First see if there is an external relocation entry at the ReferencePC.
5575 if (info->O->getHeader().filetype == MachO::MH_OBJECT) {
5576 uint64_t sect_addr = info->S.getAddress();
5577 uint64_t sect_offset = ReferencePC - sect_addr;
5578 bool reloc_found = false;
5580 MachO::any_relocation_info RE;
5581 bool isExtern = false;
5583 for (const RelocationRef &Reloc : info->S.relocations()) {
5584 uint64_t RelocOffset = Reloc.getOffset();
5585 if (RelocOffset == sect_offset) {
5586 Rel = Reloc.getRawDataRefImpl();
5587 RE = info->O->getRelocation(Rel);
5588 if (info->O->isRelocationScattered(RE))
5590 isExtern = info->O->getPlainRelocationExternal(RE);
5592 symbol_iterator RelocSym = Reloc.getSymbol();
5599 // If there is an external relocation entry for a symbol in a section
5600 // then used that symbol's value for the value of the reference.
5601 if (reloc_found && isExtern) {
5602 if (info->O->getAnyRelocationPCRel(RE)) {
5603 unsigned Type = info->O->getAnyRelocationType(RE);
5604 if (Type == MachO::X86_64_RELOC_SIGNED) {
5605 ReferenceValue = Symbol.getValue();
5611 // Look for literals such as Objective-C CFStrings refs, Selector refs,
5612 // Message refs and Class refs.
5613 bool classref, selref, msgref, cfstring;
5614 uint64_t pointer_value = GuessPointerPointer(ReferenceValue, info, classref,
5615 selref, msgref, cfstring);
5616 if (classref && pointer_value == 0) {
5617 // Note the ReferenceValue is a pointer into the __objc_classrefs section.
5618 // And the pointer_value in that section is typically zero as it will be
5619 // set by dyld as part of the "bind information".
5620 const char *name = get_dyld_bind_info_symbolname(ReferenceValue, info);
5621 if (name != nullptr) {
5622 *ReferenceType = LLVMDisassembler_ReferenceType_Out_Objc_Class_Ref;
5623 const char *class_name = strrchr(name, '$');
5624 if (class_name != nullptr && class_name[1] == '_' &&
5625 class_name[2] != '\0') {
5626 info->class_name = class_name + 2;
5633 *ReferenceType = LLVMDisassembler_ReferenceType_Out_Objc_Class_Ref;
5635 get_objc2_64bit_class_name(pointer_value, ReferenceValue, info);
5636 if (name != nullptr)
5637 info->class_name = name;
5639 name = "bad class ref";
5644 *ReferenceType = LLVMDisassembler_ReferenceType_Out_Objc_CFString_Ref;
5645 const char *name = get_objc2_64bit_cfstring_name(ReferenceValue, info);
5649 if (selref && pointer_value == 0)
5650 pointer_value = get_objc2_64bit_selref(ReferenceValue, info);
5652 if (pointer_value != 0)
5653 ReferenceValue = pointer_value;
5655 const char *name = GuessCstringPointer(ReferenceValue, info);
5657 if (pointer_value != 0 && selref) {
5658 *ReferenceType = LLVMDisassembler_ReferenceType_Out_Objc_Selector_Ref;
5659 info->selector_name = name;
5660 } else if (pointer_value != 0 && msgref) {
5661 info->class_name = nullptr;
5662 *ReferenceType = LLVMDisassembler_ReferenceType_Out_Objc_Message_Ref;
5663 info->selector_name = name;
5665 *ReferenceType = LLVMDisassembler_ReferenceType_Out_LitPool_CstrAddr;
5669 // Lastly look for an indirect symbol with this ReferenceValue which is in
5670 // a literal pool. If found return that symbol name.
5671 name = GuessIndirectSymbol(ReferenceValue, info);
5673 *ReferenceType = LLVMDisassembler_ReferenceType_Out_LitPool_SymAddr;
5680 // SymbolizerSymbolLookUp is the symbol lookup function passed when creating
5681 // the Symbolizer. It looks up the ReferenceValue using the info passed via the
5682 // pointer to the struct DisassembleInfo that was passed when MCSymbolizer
5683 // is created and returns the symbol name that matches the ReferenceValue or
5684 // nullptr if none. The ReferenceType is passed in for the IN type of
5685 // reference the instruction is making from the values in defined in the header
5686 // "llvm-c/Disassembler.h". On return the ReferenceType can set to a specific
5687 // Out type and the ReferenceName will also be set which is added as a comment
5688 // to the disassembled instruction.
5691 // If the symbol name is a C++ mangled name then the demangled name is
5692 // returned through ReferenceName and ReferenceType is set to
5693 // LLVMDisassembler_ReferenceType_DeMangled_Name .
5696 // When this is called to get a symbol name for a branch target then the
5697 // ReferenceType will be LLVMDisassembler_ReferenceType_In_Branch and then
5698 // SymbolValue will be looked for in the indirect symbol table to determine if
5699 // it is an address for a symbol stub. If so then the symbol name for that
5700 // stub is returned indirectly through ReferenceName and then ReferenceType is
5701 // set to LLVMDisassembler_ReferenceType_Out_SymbolStub.
5703 // When this is called with an value loaded via a PC relative load then
5704 // ReferenceType will be LLVMDisassembler_ReferenceType_In_PCrel_Load then the
5705 // SymbolValue is checked to be an address of literal pointer, symbol pointer,
5706 // or an Objective-C meta data reference. If so the output ReferenceType is
5707 // set to correspond to that as well as setting the ReferenceName.
5708 static const char *SymbolizerSymbolLookUp(void *DisInfo,
5709 uint64_t ReferenceValue,
5710 uint64_t *ReferenceType,
5711 uint64_t ReferencePC,
5712 const char **ReferenceName) {
5713 struct DisassembleInfo *info = (struct DisassembleInfo *)DisInfo;
5714 // If no verbose symbolic information is wanted then just return nullptr.
5715 if (!info->verbose) {
5716 *ReferenceName = nullptr;
5717 *ReferenceType = LLVMDisassembler_ReferenceType_InOut_None;
5721 const char *SymbolName = GuessSymbolName(ReferenceValue, info->AddrMap);
5723 if (*ReferenceType == LLVMDisassembler_ReferenceType_In_Branch) {
5724 *ReferenceName = GuessIndirectSymbol(ReferenceValue, info);
5725 if (*ReferenceName != nullptr) {
5726 method_reference(info, ReferenceType, ReferenceName);
5727 if (*ReferenceType != LLVMDisassembler_ReferenceType_Out_Objc_Message)
5728 *ReferenceType = LLVMDisassembler_ReferenceType_Out_SymbolStub;
5731 if (SymbolName != nullptr && strncmp(SymbolName, "__Z", 3) == 0) {
5732 if (info->demangled_name != nullptr)
5733 free(info->demangled_name);
5735 info->demangled_name =
5736 abi::__cxa_demangle(SymbolName + 1, nullptr, nullptr, &status);
5737 if (info->demangled_name != nullptr) {
5738 *ReferenceName = info->demangled_name;
5739 *ReferenceType = LLVMDisassembler_ReferenceType_DeMangled_Name;
5741 *ReferenceType = LLVMDisassembler_ReferenceType_InOut_None;
5744 *ReferenceType = LLVMDisassembler_ReferenceType_InOut_None;
5745 } else if (*ReferenceType == LLVMDisassembler_ReferenceType_In_PCrel_Load) {
5747 GuessLiteralPointer(ReferenceValue, ReferencePC, ReferenceType, info);
5749 method_reference(info, ReferenceType, ReferenceName);
5751 *ReferenceType = LLVMDisassembler_ReferenceType_InOut_None;
5752 // If this is arm64 and the reference is an adrp instruction save the
5753 // instruction, passed in ReferenceValue and the address of the instruction
5754 // for use later if we see and add immediate instruction.
5755 } else if (info->O->getArch() == Triple::aarch64 &&
5756 *ReferenceType == LLVMDisassembler_ReferenceType_In_ARM64_ADRP) {
5757 info->adrp_inst = ReferenceValue;
5758 info->adrp_addr = ReferencePC;
5759 SymbolName = nullptr;
5760 *ReferenceName = nullptr;
5761 *ReferenceType = LLVMDisassembler_ReferenceType_InOut_None;
5762 // If this is arm64 and reference is an add immediate instruction and we
5764 // seen an adrp instruction just before it and the adrp's Xd register
5766 // this add's Xn register reconstruct the value being referenced and look to
5767 // see if it is a literal pointer. Note the add immediate instruction is
5768 // passed in ReferenceValue.
5769 } else if (info->O->getArch() == Triple::aarch64 &&
5770 *ReferenceType == LLVMDisassembler_ReferenceType_In_ARM64_ADDXri &&
5771 ReferencePC - 4 == info->adrp_addr &&
5772 (info->adrp_inst & 0x9f000000) == 0x90000000 &&
5773 (info->adrp_inst & 0x1f) == ((ReferenceValue >> 5) & 0x1f)) {
5774 uint32_t addxri_inst;
5775 uint64_t adrp_imm, addxri_imm;
5778 ((info->adrp_inst & 0x00ffffe0) >> 3) | ((info->adrp_inst >> 29) & 0x3);
5779 if (info->adrp_inst & 0x0200000)
5780 adrp_imm |= 0xfffffffffc000000LL;
5782 addxri_inst = ReferenceValue;
5783 addxri_imm = (addxri_inst >> 10) & 0xfff;
5784 if (((addxri_inst >> 22) & 0x3) == 1)
5787 ReferenceValue = (info->adrp_addr & 0xfffffffffffff000LL) +
5788 (adrp_imm << 12) + addxri_imm;
5791 GuessLiteralPointer(ReferenceValue, ReferencePC, ReferenceType, info);
5792 if (*ReferenceName == nullptr)
5793 *ReferenceType = LLVMDisassembler_ReferenceType_InOut_None;
5794 // If this is arm64 and the reference is a load register instruction and we
5795 // have seen an adrp instruction just before it and the adrp's Xd register
5796 // matches this add's Xn register reconstruct the value being referenced and
5797 // look to see if it is a literal pointer. Note the load register
5798 // instruction is passed in ReferenceValue.
5799 } else if (info->O->getArch() == Triple::aarch64 &&
5800 *ReferenceType == LLVMDisassembler_ReferenceType_In_ARM64_LDRXui &&
5801 ReferencePC - 4 == info->adrp_addr &&
5802 (info->adrp_inst & 0x9f000000) == 0x90000000 &&
5803 (info->adrp_inst & 0x1f) == ((ReferenceValue >> 5) & 0x1f)) {
5804 uint32_t ldrxui_inst;
5805 uint64_t adrp_imm, ldrxui_imm;
5808 ((info->adrp_inst & 0x00ffffe0) >> 3) | ((info->adrp_inst >> 29) & 0x3);
5809 if (info->adrp_inst & 0x0200000)
5810 adrp_imm |= 0xfffffffffc000000LL;
5812 ldrxui_inst = ReferenceValue;
5813 ldrxui_imm = (ldrxui_inst >> 10) & 0xfff;
5815 ReferenceValue = (info->adrp_addr & 0xfffffffffffff000LL) +
5816 (adrp_imm << 12) + (ldrxui_imm << 3);
5819 GuessLiteralPointer(ReferenceValue, ReferencePC, ReferenceType, info);
5820 if (*ReferenceName == nullptr)
5821 *ReferenceType = LLVMDisassembler_ReferenceType_InOut_None;
5823 // If this arm64 and is an load register (PC-relative) instruction the
5824 // ReferenceValue is the PC plus the immediate value.
5825 else if (info->O->getArch() == Triple::aarch64 &&
5826 (*ReferenceType == LLVMDisassembler_ReferenceType_In_ARM64_LDRXl ||
5827 *ReferenceType == LLVMDisassembler_ReferenceType_In_ARM64_ADR)) {
5829 GuessLiteralPointer(ReferenceValue, ReferencePC, ReferenceType, info);
5830 if (*ReferenceName == nullptr)
5831 *ReferenceType = LLVMDisassembler_ReferenceType_InOut_None;
5834 else if (SymbolName != nullptr && strncmp(SymbolName, "__Z", 3) == 0) {
5835 if (info->demangled_name != nullptr)
5836 free(info->demangled_name);
5838 info->demangled_name =
5839 abi::__cxa_demangle(SymbolName + 1, nullptr, nullptr, &status);
5840 if (info->demangled_name != nullptr) {
5841 *ReferenceName = info->demangled_name;
5842 *ReferenceType = LLVMDisassembler_ReferenceType_DeMangled_Name;
5847 *ReferenceName = nullptr;
5848 *ReferenceType = LLVMDisassembler_ReferenceType_InOut_None;
5854 /// \brief Emits the comments that are stored in the CommentStream.
5855 /// Each comment in the CommentStream must end with a newline.
5856 static void emitComments(raw_svector_ostream &CommentStream,
5857 SmallString<128> &CommentsToEmit,
5858 formatted_raw_ostream &FormattedOS,
5859 const MCAsmInfo &MAI) {
5860 // Flush the stream before taking its content.
5861 StringRef Comments = CommentsToEmit.str();
5862 // Get the default information for printing a comment.
5863 const char *CommentBegin = MAI.getCommentString();
5864 unsigned CommentColumn = MAI.getCommentColumn();
5865 bool IsFirst = true;
5866 while (!Comments.empty()) {
5868 FormattedOS << '\n';
5869 // Emit a line of comments.
5870 FormattedOS.PadToColumn(CommentColumn);
5871 size_t Position = Comments.find('\n');
5872 FormattedOS << CommentBegin << ' ' << Comments.substr(0, Position);
5873 // Move after the newline character.
5874 Comments = Comments.substr(Position + 1);
5877 FormattedOS.flush();
5879 // Tell the comment stream that the vector changed underneath it.
5880 CommentsToEmit.clear();
5883 static void DisassembleMachO(StringRef Filename, MachOObjectFile *MachOOF,
5884 StringRef DisSegName, StringRef DisSectName) {
5885 const char *McpuDefault = nullptr;
5886 const Target *ThumbTarget = nullptr;
5887 const Target *TheTarget = GetTarget(MachOOF, &McpuDefault, &ThumbTarget);
5889 // GetTarget prints out stuff.
5892 if (MCPU.empty() && McpuDefault)
5895 std::unique_ptr<const MCInstrInfo> InstrInfo(TheTarget->createMCInstrInfo());
5896 std::unique_ptr<const MCInstrInfo> ThumbInstrInfo;
5898 ThumbInstrInfo.reset(ThumbTarget->createMCInstrInfo());
5900 // Package up features to be passed to target/subtarget
5901 std::string FeaturesStr;
5902 if (MAttrs.size()) {
5903 SubtargetFeatures Features;
5904 for (unsigned i = 0; i != MAttrs.size(); ++i)
5905 Features.AddFeature(MAttrs[i]);
5906 FeaturesStr = Features.getString();
5909 // Set up disassembler.
5910 std::unique_ptr<const MCRegisterInfo> MRI(
5911 TheTarget->createMCRegInfo(TripleName));
5912 std::unique_ptr<const MCAsmInfo> AsmInfo(
5913 TheTarget->createMCAsmInfo(*MRI, TripleName));
5914 std::unique_ptr<const MCSubtargetInfo> STI(
5915 TheTarget->createMCSubtargetInfo(TripleName, MCPU, FeaturesStr));
5916 MCContext Ctx(AsmInfo.get(), MRI.get(), nullptr);
5917 std::unique_ptr<MCDisassembler> DisAsm(
5918 TheTarget->createMCDisassembler(*STI, Ctx));
5919 std::unique_ptr<MCSymbolizer> Symbolizer;
5920 struct DisassembleInfo SymbolizerInfo;
5921 std::unique_ptr<MCRelocationInfo> RelInfo(
5922 TheTarget->createMCRelocationInfo(TripleName, Ctx));
5924 Symbolizer.reset(TheTarget->createMCSymbolizer(
5925 TripleName, SymbolizerGetOpInfo, SymbolizerSymbolLookUp,
5926 &SymbolizerInfo, &Ctx, std::move(RelInfo)));
5927 DisAsm->setSymbolizer(std::move(Symbolizer));
5929 int AsmPrinterVariant = AsmInfo->getAssemblerDialect();
5930 std::unique_ptr<MCInstPrinter> IP(TheTarget->createMCInstPrinter(
5931 Triple(TripleName), AsmPrinterVariant, *AsmInfo, *InstrInfo, *MRI));
5932 // Set the display preference for hex vs. decimal immediates.
5933 IP->setPrintImmHex(PrintImmHex);
5934 // Comment stream and backing vector.
5935 SmallString<128> CommentsToEmit;
5936 raw_svector_ostream CommentStream(CommentsToEmit);
5937 // FIXME: Setting the CommentStream in the InstPrinter is problematic in that
5938 // if it is done then arm64 comments for string literals don't get printed
5939 // and some constant get printed instead and not setting it causes intel
5940 // (32-bit and 64-bit) comments printed with different spacing before the
5941 // comment causing different diffs with the 'C' disassembler library API.
5942 // IP->setCommentStream(CommentStream);
5944 if (!AsmInfo || !STI || !DisAsm || !IP) {
5945 errs() << "error: couldn't initialize disassembler for target "
5946 << TripleName << '\n';
5950 // Set up thumb disassembler.
5951 std::unique_ptr<const MCRegisterInfo> ThumbMRI;
5952 std::unique_ptr<const MCAsmInfo> ThumbAsmInfo;
5953 std::unique_ptr<const MCSubtargetInfo> ThumbSTI;
5954 std::unique_ptr<MCDisassembler> ThumbDisAsm;
5955 std::unique_ptr<MCInstPrinter> ThumbIP;
5956 std::unique_ptr<MCContext> ThumbCtx;
5957 std::unique_ptr<MCSymbolizer> ThumbSymbolizer;
5958 struct DisassembleInfo ThumbSymbolizerInfo;
5959 std::unique_ptr<MCRelocationInfo> ThumbRelInfo;
5961 ThumbMRI.reset(ThumbTarget->createMCRegInfo(ThumbTripleName));
5963 ThumbTarget->createMCAsmInfo(*ThumbMRI, ThumbTripleName));
5965 ThumbTarget->createMCSubtargetInfo(ThumbTripleName, MCPU, FeaturesStr));
5966 ThumbCtx.reset(new MCContext(ThumbAsmInfo.get(), ThumbMRI.get(), nullptr));
5967 ThumbDisAsm.reset(ThumbTarget->createMCDisassembler(*ThumbSTI, *ThumbCtx));
5968 MCContext *PtrThumbCtx = ThumbCtx.get();
5970 ThumbTarget->createMCRelocationInfo(ThumbTripleName, *PtrThumbCtx));
5972 ThumbSymbolizer.reset(ThumbTarget->createMCSymbolizer(
5973 ThumbTripleName, SymbolizerGetOpInfo, SymbolizerSymbolLookUp,
5974 &ThumbSymbolizerInfo, PtrThumbCtx, std::move(ThumbRelInfo)));
5975 ThumbDisAsm->setSymbolizer(std::move(ThumbSymbolizer));
5977 int ThumbAsmPrinterVariant = ThumbAsmInfo->getAssemblerDialect();
5978 ThumbIP.reset(ThumbTarget->createMCInstPrinter(
5979 Triple(ThumbTripleName), ThumbAsmPrinterVariant, *ThumbAsmInfo,
5980 *ThumbInstrInfo, *ThumbMRI));
5981 // Set the display preference for hex vs. decimal immediates.
5982 ThumbIP->setPrintImmHex(PrintImmHex);
5985 if (ThumbTarget && (!ThumbAsmInfo || !ThumbSTI || !ThumbDisAsm || !ThumbIP)) {
5986 errs() << "error: couldn't initialize disassembler for target "
5987 << ThumbTripleName << '\n';
5991 MachO::mach_header Header = MachOOF->getHeader();
5993 // FIXME: Using the -cfg command line option, this code used to be able to
5994 // annotate relocations with the referenced symbol's name, and if this was
5995 // inside a __[cf]string section, the data it points to. This is now replaced
5996 // by the upcoming MCSymbolizer, which needs the appropriate setup done above.
5997 std::vector<SectionRef> Sections;
5998 std::vector<SymbolRef> Symbols;
5999 SmallVector<uint64_t, 8> FoundFns;
6000 uint64_t BaseSegmentAddress;
6002 getSectionsAndSymbols(MachOOF, Sections, Symbols, FoundFns,
6003 BaseSegmentAddress);
6005 // Sort the symbols by address, just in case they didn't come in that way.
6006 std::sort(Symbols.begin(), Symbols.end(), SymbolSorter());
6008 // Build a data in code table that is sorted on by the address of each entry.
6009 uint64_t BaseAddress = 0;
6010 if (Header.filetype == MachO::MH_OBJECT)
6011 BaseAddress = Sections[0].getAddress();
6013 BaseAddress = BaseSegmentAddress;
6015 for (dice_iterator DI = MachOOF->begin_dices(), DE = MachOOF->end_dices();
6018 DI->getOffset(Offset);
6019 Dices.push_back(std::make_pair(BaseAddress + Offset, *DI));
6021 array_pod_sort(Dices.begin(), Dices.end());
6024 raw_ostream &DebugOut = DebugFlag ? dbgs() : nulls();
6026 raw_ostream &DebugOut = nulls();
6029 std::unique_ptr<DIContext> diContext;
6030 ObjectFile *DbgObj = MachOOF;
6031 // Try to find debug info and set up the DIContext for it.
6033 // A separate DSym file path was specified, parse it as a macho file,
6034 // get the sections and supply it to the section name parsing machinery.
6035 if (!DSYMFile.empty()) {
6036 ErrorOr<std::unique_ptr<MemoryBuffer>> BufOrErr =
6037 MemoryBuffer::getFileOrSTDIN(DSYMFile);
6038 if (std::error_code EC = BufOrErr.getError()) {
6039 errs() << "llvm-objdump: " << Filename << ": " << EC.message() << '\n';
6043 ObjectFile::createMachOObjectFile(BufOrErr.get()->getMemBufferRef())
6048 // Setup the DIContext
6049 diContext.reset(new DWARFContextInMemory(*DbgObj));
6052 if (FilterSections.size() == 0)
6053 outs() << "(" << DisSegName << "," << DisSectName << ") section\n";
6055 for (unsigned SectIdx = 0; SectIdx != Sections.size(); SectIdx++) {
6057 if (Sections[SectIdx].getName(SectName) || SectName != DisSectName)
6060 DataRefImpl DR = Sections[SectIdx].getRawDataRefImpl();
6062 StringRef SegmentName = MachOOF->getSectionFinalSegmentName(DR);
6063 if (SegmentName != DisSegName)
6067 Sections[SectIdx].getContents(BytesStr);
6068 ArrayRef<uint8_t> Bytes(reinterpret_cast<const uint8_t *>(BytesStr.data()),
6070 uint64_t SectAddress = Sections[SectIdx].getAddress();
6072 bool symbolTableWorked = false;
6074 // Create a map of symbol addresses to symbol names for use by
6075 // the SymbolizerSymbolLookUp() routine.
6076 SymbolAddressMap AddrMap;
6077 bool DisSymNameFound = false;
6078 for (const SymbolRef &Symbol : MachOOF->symbols()) {
6079 SymbolRef::Type ST = Symbol.getType();
6080 if (ST == SymbolRef::ST_Function || ST == SymbolRef::ST_Data ||
6081 ST == SymbolRef::ST_Other) {
6082 uint64_t Address = Symbol.getValue();
6083 ErrorOr<StringRef> SymNameOrErr = Symbol.getName();
6084 if (std::error_code EC = SymNameOrErr.getError())
6085 report_fatal_error(EC.message());
6086 StringRef SymName = *SymNameOrErr;
6087 AddrMap[Address] = SymName;
6088 if (!DisSymName.empty() && DisSymName == SymName)
6089 DisSymNameFound = true;
6092 if (!DisSymName.empty() && !DisSymNameFound) {
6093 outs() << "Can't find -dis-symname: " << DisSymName << "\n";
6096 // Set up the block of info used by the Symbolizer call backs.
6097 SymbolizerInfo.verbose = !NoSymbolicOperands;
6098 SymbolizerInfo.O = MachOOF;
6099 SymbolizerInfo.S = Sections[SectIdx];
6100 SymbolizerInfo.AddrMap = &AddrMap;
6101 SymbolizerInfo.Sections = &Sections;
6102 SymbolizerInfo.class_name = nullptr;
6103 SymbolizerInfo.selector_name = nullptr;
6104 SymbolizerInfo.method = nullptr;
6105 SymbolizerInfo.demangled_name = nullptr;
6106 SymbolizerInfo.bindtable = nullptr;
6107 SymbolizerInfo.adrp_addr = 0;
6108 SymbolizerInfo.adrp_inst = 0;
6109 // Same for the ThumbSymbolizer
6110 ThumbSymbolizerInfo.verbose = !NoSymbolicOperands;
6111 ThumbSymbolizerInfo.O = MachOOF;
6112 ThumbSymbolizerInfo.S = Sections[SectIdx];
6113 ThumbSymbolizerInfo.AddrMap = &AddrMap;
6114 ThumbSymbolizerInfo.Sections = &Sections;
6115 ThumbSymbolizerInfo.class_name = nullptr;
6116 ThumbSymbolizerInfo.selector_name = nullptr;
6117 ThumbSymbolizerInfo.method = nullptr;
6118 ThumbSymbolizerInfo.demangled_name = nullptr;
6119 ThumbSymbolizerInfo.bindtable = nullptr;
6120 ThumbSymbolizerInfo.adrp_addr = 0;
6121 ThumbSymbolizerInfo.adrp_inst = 0;
6123 // Disassemble symbol by symbol.
6124 for (unsigned SymIdx = 0; SymIdx != Symbols.size(); SymIdx++) {
6125 ErrorOr<StringRef> SymNameOrErr = Symbols[SymIdx].getName();
6126 if (std::error_code EC = SymNameOrErr.getError())
6127 report_fatal_error(EC.message());
6128 StringRef SymName = *SymNameOrErr;
6130 SymbolRef::Type ST = Symbols[SymIdx].getType();
6131 if (ST != SymbolRef::ST_Function && ST != SymbolRef::ST_Data)
6134 // Make sure the symbol is defined in this section.
6135 bool containsSym = Sections[SectIdx].containsSymbol(Symbols[SymIdx]);
6139 // If we are only disassembling one symbol see if this is that symbol.
6140 if (!DisSymName.empty() && DisSymName != SymName)
6143 // Start at the address of the symbol relative to the section's address.
6144 uint64_t Start = Symbols[SymIdx].getValue();
6145 uint64_t SectionAddress = Sections[SectIdx].getAddress();
6146 Start -= SectionAddress;
6148 // Stop disassembling either at the beginning of the next symbol or at
6149 // the end of the section.
6150 bool containsNextSym = false;
6151 uint64_t NextSym = 0;
6152 uint64_t NextSymIdx = SymIdx + 1;
6153 while (Symbols.size() > NextSymIdx) {
6154 SymbolRef::Type NextSymType = Symbols[NextSymIdx].getType();
6155 if (NextSymType == SymbolRef::ST_Function) {
6157 Sections[SectIdx].containsSymbol(Symbols[NextSymIdx]);
6158 NextSym = Symbols[NextSymIdx].getValue();
6159 NextSym -= SectionAddress;
6165 uint64_t SectSize = Sections[SectIdx].getSize();
6166 uint64_t End = containsNextSym ? NextSym : SectSize;
6169 symbolTableWorked = true;
6171 DataRefImpl Symb = Symbols[SymIdx].getRawDataRefImpl();
6173 (MachOOF->getSymbolFlags(Symb) & SymbolRef::SF_Thumb) && ThumbTarget;
6175 outs() << SymName << ":\n";
6176 DILineInfo lastLine;
6177 for (uint64_t Index = Start; Index < End; Index += Size) {
6180 uint64_t PC = SectAddress + Index;
6181 if (!NoLeadingAddr) {
6182 if (FullLeadingAddr) {
6183 if (MachOOF->is64Bit())
6184 outs() << format("%016" PRIx64, PC);
6186 outs() << format("%08" PRIx64, PC);
6188 outs() << format("%8" PRIx64 ":", PC);
6194 // Check the data in code table here to see if this is data not an
6195 // instruction to be disassembled.
6197 Dice.push_back(std::make_pair(PC, DiceRef()));
6198 dice_table_iterator DTI =
6199 std::search(Dices.begin(), Dices.end(), Dice.begin(), Dice.end(),
6200 compareDiceTableEntries);
6201 if (DTI != Dices.end()) {
6203 DTI->second.getLength(Length);
6205 DTI->second.getKind(Kind);
6206 Size = DumpDataInCode(Bytes.data() + Index, Length, Kind);
6207 if ((Kind == MachO::DICE_KIND_JUMP_TABLE8) &&
6208 (PC == (DTI->first + Length - 1)) && (Length & 1))
6213 SmallVector<char, 64> AnnotationsBytes;
6214 raw_svector_ostream Annotations(AnnotationsBytes);
6218 gotInst = ThumbDisAsm->getInstruction(Inst, Size, Bytes.slice(Index),
6219 PC, DebugOut, Annotations);
6221 gotInst = DisAsm->getInstruction(Inst, Size, Bytes.slice(Index), PC,
6222 DebugOut, Annotations);
6224 if (!NoShowRawInsn) {
6225 dumpBytes(makeArrayRef(Bytes.data() + Index, Size), outs());
6227 formatted_raw_ostream FormattedOS(outs());
6228 StringRef AnnotationsStr = Annotations.str();
6230 ThumbIP->printInst(&Inst, FormattedOS, AnnotationsStr, *ThumbSTI);
6232 IP->printInst(&Inst, FormattedOS, AnnotationsStr, *STI);
6233 emitComments(CommentStream, CommentsToEmit, FormattedOS, *AsmInfo);
6235 // Print debug info.
6237 DILineInfo dli = diContext->getLineInfoForAddress(PC);
6238 // Print valid line info if it changed.
6239 if (dli != lastLine && dli.Line != 0)
6240 outs() << "\t## " << dli.FileName << ':' << dli.Line << ':'
6246 unsigned int Arch = MachOOF->getArch();
6247 if (Arch == Triple::x86_64 || Arch == Triple::x86) {
6248 outs() << format("\t.byte 0x%02x #bad opcode\n",
6249 *(Bytes.data() + Index) & 0xff);
6250 Size = 1; // skip exactly one illegible byte and move on.
6251 } else if (Arch == Triple::aarch64) {
6252 uint32_t opcode = (*(Bytes.data() + Index) & 0xff) |
6253 (*(Bytes.data() + Index + 1) & 0xff) << 8 |
6254 (*(Bytes.data() + Index + 2) & 0xff) << 16 |
6255 (*(Bytes.data() + Index + 3) & 0xff) << 24;
6256 outs() << format("\t.long\t0x%08x\n", opcode);
6259 errs() << "llvm-objdump: warning: invalid instruction encoding\n";
6261 Size = 1; // skip illegible bytes
6266 if (!symbolTableWorked) {
6267 // Reading the symbol table didn't work, disassemble the whole section.
6268 uint64_t SectAddress = Sections[SectIdx].getAddress();
6269 uint64_t SectSize = Sections[SectIdx].getSize();
6271 for (uint64_t Index = 0; Index < SectSize; Index += InstSize) {
6274 uint64_t PC = SectAddress + Index;
6275 if (DisAsm->getInstruction(Inst, InstSize, Bytes.slice(Index), PC,
6276 DebugOut, nulls())) {
6277 if (!NoLeadingAddr) {
6278 if (FullLeadingAddr) {
6279 if (MachOOF->is64Bit())
6280 outs() << format("%016" PRIx64, PC);
6282 outs() << format("%08" PRIx64, PC);
6284 outs() << format("%8" PRIx64 ":", PC);
6287 if (!NoShowRawInsn) {
6289 dumpBytes(makeArrayRef(Bytes.data() + Index, InstSize), outs());
6291 IP->printInst(&Inst, outs(), "", *STI);
6294 unsigned int Arch = MachOOF->getArch();
6295 if (Arch == Triple::x86_64 || Arch == Triple::x86) {
6296 outs() << format("\t.byte 0x%02x #bad opcode\n",
6297 *(Bytes.data() + Index) & 0xff);
6298 InstSize = 1; // skip exactly one illegible byte and move on.
6300 errs() << "llvm-objdump: warning: invalid instruction encoding\n";
6302 InstSize = 1; // skip illegible bytes
6307 // The TripleName's need to be reset if we are called again for a different
6310 ThumbTripleName = "";
6312 if (SymbolizerInfo.method != nullptr)
6313 free(SymbolizerInfo.method);
6314 if (SymbolizerInfo.demangled_name != nullptr)
6315 free(SymbolizerInfo.demangled_name);
6316 if (SymbolizerInfo.bindtable != nullptr)
6317 delete SymbolizerInfo.bindtable;
6318 if (ThumbSymbolizerInfo.method != nullptr)
6319 free(ThumbSymbolizerInfo.method);
6320 if (ThumbSymbolizerInfo.demangled_name != nullptr)
6321 free(ThumbSymbolizerInfo.demangled_name);
6322 if (ThumbSymbolizerInfo.bindtable != nullptr)
6323 delete ThumbSymbolizerInfo.bindtable;
6327 //===----------------------------------------------------------------------===//
6328 // __compact_unwind section dumping
6329 //===----------------------------------------------------------------------===//
6333 template <typename T> static uint64_t readNext(const char *&Buf) {
6334 using llvm::support::little;
6335 using llvm::support::unaligned;
6337 uint64_t Val = support::endian::read<T, little, unaligned>(Buf);
6342 struct CompactUnwindEntry {
6343 uint32_t OffsetInSection;
6345 uint64_t FunctionAddr;
6347 uint32_t CompactEncoding;
6348 uint64_t PersonalityAddr;
6351 RelocationRef FunctionReloc;
6352 RelocationRef PersonalityReloc;
6353 RelocationRef LSDAReloc;
6355 CompactUnwindEntry(StringRef Contents, unsigned Offset, bool Is64)
6356 : OffsetInSection(Offset) {
6358 read<uint64_t>(Contents.data() + Offset);
6360 read<uint32_t>(Contents.data() + Offset);
6364 template <typename UIntPtr> void read(const char *Buf) {
6365 FunctionAddr = readNext<UIntPtr>(Buf);
6366 Length = readNext<uint32_t>(Buf);
6367 CompactEncoding = readNext<uint32_t>(Buf);
6368 PersonalityAddr = readNext<UIntPtr>(Buf);
6369 LSDAAddr = readNext<UIntPtr>(Buf);
6374 /// Given a relocation from __compact_unwind, consisting of the RelocationRef
6375 /// and data being relocated, determine the best base Name and Addend to use for
6376 /// display purposes.
6378 /// 1. An Extern relocation will directly reference a symbol (and the data is
6379 /// then already an addend), so use that.
6380 /// 2. Otherwise the data is an offset in the object file's layout; try to find
6381 // a symbol before it in the same section, and use the offset from there.
6382 /// 3. Finally, if all that fails, fall back to an offset from the start of the
6383 /// referenced section.
6384 static void findUnwindRelocNameAddend(const MachOObjectFile *Obj,
6385 std::map<uint64_t, SymbolRef> &Symbols,
6386 const RelocationRef &Reloc, uint64_t Addr,
6387 StringRef &Name, uint64_t &Addend) {
6388 if (Reloc.getSymbol() != Obj->symbol_end()) {
6389 ErrorOr<StringRef> NameOrErr = Reloc.getSymbol()->getName();
6390 if (std::error_code EC = NameOrErr.getError())
6391 report_fatal_error(EC.message());
6397 auto RE = Obj->getRelocation(Reloc.getRawDataRefImpl());
6398 SectionRef RelocSection = Obj->getAnyRelocationSection(RE);
6400 uint64_t SectionAddr = RelocSection.getAddress();
6402 auto Sym = Symbols.upper_bound(Addr);
6403 if (Sym == Symbols.begin()) {
6404 // The first symbol in the object is after this reference, the best we can
6405 // do is section-relative notation.
6406 RelocSection.getName(Name);
6407 Addend = Addr - SectionAddr;
6411 // Go back one so that SymbolAddress <= Addr.
6414 section_iterator SymSection = *Sym->second.getSection();
6415 if (RelocSection == *SymSection) {
6416 // There's a valid symbol in the same section before this reference.
6417 ErrorOr<StringRef> NameOrErr = Sym->second.getName();
6418 if (std::error_code EC = NameOrErr.getError())
6419 report_fatal_error(EC.message());
6421 Addend = Addr - Sym->first;
6425 // There is a symbol before this reference, but it's in a different
6426 // section. Probably not helpful to mention it, so use the section name.
6427 RelocSection.getName(Name);
6428 Addend = Addr - SectionAddr;
6431 static void printUnwindRelocDest(const MachOObjectFile *Obj,
6432 std::map<uint64_t, SymbolRef> &Symbols,
6433 const RelocationRef &Reloc, uint64_t Addr) {
6437 if (!Reloc.getObject())
6440 findUnwindRelocNameAddend(Obj, Symbols, Reloc, Addr, Name, Addend);
6444 outs() << " + " << format("0x%" PRIx64, Addend);
6448 printMachOCompactUnwindSection(const MachOObjectFile *Obj,
6449 std::map<uint64_t, SymbolRef> &Symbols,
6450 const SectionRef &CompactUnwind) {
6452 assert(Obj->isLittleEndian() &&
6453 "There should not be a big-endian .o with __compact_unwind");
6455 bool Is64 = Obj->is64Bit();
6456 uint32_t PointerSize = Is64 ? sizeof(uint64_t) : sizeof(uint32_t);
6457 uint32_t EntrySize = 3 * PointerSize + 2 * sizeof(uint32_t);
6460 CompactUnwind.getContents(Contents);
6462 SmallVector<CompactUnwindEntry, 4> CompactUnwinds;
6464 // First populate the initial raw offsets, encodings and so on from the entry.
6465 for (unsigned Offset = 0; Offset < Contents.size(); Offset += EntrySize) {
6466 CompactUnwindEntry Entry(Contents.data(), Offset, Is64);
6467 CompactUnwinds.push_back(Entry);
6470 // Next we need to look at the relocations to find out what objects are
6471 // actually being referred to.
6472 for (const RelocationRef &Reloc : CompactUnwind.relocations()) {
6473 uint64_t RelocAddress = Reloc.getOffset();
6475 uint32_t EntryIdx = RelocAddress / EntrySize;
6476 uint32_t OffsetInEntry = RelocAddress - EntryIdx * EntrySize;
6477 CompactUnwindEntry &Entry = CompactUnwinds[EntryIdx];
6479 if (OffsetInEntry == 0)
6480 Entry.FunctionReloc = Reloc;
6481 else if (OffsetInEntry == PointerSize + 2 * sizeof(uint32_t))
6482 Entry.PersonalityReloc = Reloc;
6483 else if (OffsetInEntry == 2 * PointerSize + 2 * sizeof(uint32_t))
6484 Entry.LSDAReloc = Reloc;
6486 llvm_unreachable("Unexpected relocation in __compact_unwind section");
6489 // Finally, we're ready to print the data we've gathered.
6490 outs() << "Contents of __compact_unwind section:\n";
6491 for (auto &Entry : CompactUnwinds) {
6492 outs() << " Entry at offset "
6493 << format("0x%" PRIx32, Entry.OffsetInSection) << ":\n";
6495 // 1. Start of the region this entry applies to.
6496 outs() << " start: " << format("0x%" PRIx64,
6497 Entry.FunctionAddr) << ' ';
6498 printUnwindRelocDest(Obj, Symbols, Entry.FunctionReloc, Entry.FunctionAddr);
6501 // 2. Length of the region this entry applies to.
6502 outs() << " length: " << format("0x%" PRIx32, Entry.Length)
6504 // 3. The 32-bit compact encoding.
6505 outs() << " compact encoding: "
6506 << format("0x%08" PRIx32, Entry.CompactEncoding) << '\n';
6508 // 4. The personality function, if present.
6509 if (Entry.PersonalityReloc.getObject()) {
6510 outs() << " personality function: "
6511 << format("0x%" PRIx64, Entry.PersonalityAddr) << ' ';
6512 printUnwindRelocDest(Obj, Symbols, Entry.PersonalityReloc,
6513 Entry.PersonalityAddr);
6517 // 5. This entry's language-specific data area.
6518 if (Entry.LSDAReloc.getObject()) {
6519 outs() << " LSDA: " << format("0x%" PRIx64,
6520 Entry.LSDAAddr) << ' ';
6521 printUnwindRelocDest(Obj, Symbols, Entry.LSDAReloc, Entry.LSDAAddr);
6527 //===----------------------------------------------------------------------===//
6528 // __unwind_info section dumping
6529 //===----------------------------------------------------------------------===//
6531 static void printRegularSecondLevelUnwindPage(const char *PageStart) {
6532 const char *Pos = PageStart;
6533 uint32_t Kind = readNext<uint32_t>(Pos);
6535 assert(Kind == 2 && "kind for a regular 2nd level index should be 2");
6537 uint16_t EntriesStart = readNext<uint16_t>(Pos);
6538 uint16_t NumEntries = readNext<uint16_t>(Pos);
6540 Pos = PageStart + EntriesStart;
6541 for (unsigned i = 0; i < NumEntries; ++i) {
6542 uint32_t FunctionOffset = readNext<uint32_t>(Pos);
6543 uint32_t Encoding = readNext<uint32_t>(Pos);
6545 outs() << " [" << i << "]: "
6546 << "function offset=" << format("0x%08" PRIx32, FunctionOffset)
6548 << "encoding=" << format("0x%08" PRIx32, Encoding) << '\n';
6552 static void printCompressedSecondLevelUnwindPage(
6553 const char *PageStart, uint32_t FunctionBase,
6554 const SmallVectorImpl<uint32_t> &CommonEncodings) {
6555 const char *Pos = PageStart;
6556 uint32_t Kind = readNext<uint32_t>(Pos);
6558 assert(Kind == 3 && "kind for a compressed 2nd level index should be 3");
6560 uint16_t EntriesStart = readNext<uint16_t>(Pos);
6561 uint16_t NumEntries = readNext<uint16_t>(Pos);
6563 uint16_t EncodingsStart = readNext<uint16_t>(Pos);
6564 readNext<uint16_t>(Pos);
6565 const auto *PageEncodings = reinterpret_cast<const support::ulittle32_t *>(
6566 PageStart + EncodingsStart);
6568 Pos = PageStart + EntriesStart;
6569 for (unsigned i = 0; i < NumEntries; ++i) {
6570 uint32_t Entry = readNext<uint32_t>(Pos);
6571 uint32_t FunctionOffset = FunctionBase + (Entry & 0xffffff);
6572 uint32_t EncodingIdx = Entry >> 24;
6575 if (EncodingIdx < CommonEncodings.size())
6576 Encoding = CommonEncodings[EncodingIdx];
6578 Encoding = PageEncodings[EncodingIdx - CommonEncodings.size()];
6580 outs() << " [" << i << "]: "
6581 << "function offset=" << format("0x%08" PRIx32, FunctionOffset)
6583 << "encoding[" << EncodingIdx
6584 << "]=" << format("0x%08" PRIx32, Encoding) << '\n';
6588 static void printMachOUnwindInfoSection(const MachOObjectFile *Obj,
6589 std::map<uint64_t, SymbolRef> &Symbols,
6590 const SectionRef &UnwindInfo) {
6592 assert(Obj->isLittleEndian() &&
6593 "There should not be a big-endian .o with __unwind_info");
6595 outs() << "Contents of __unwind_info section:\n";
6598 UnwindInfo.getContents(Contents);
6599 const char *Pos = Contents.data();
6601 //===----------------------------------
6603 //===----------------------------------
6605 uint32_t Version = readNext<uint32_t>(Pos);
6606 outs() << " Version: "
6607 << format("0x%" PRIx32, Version) << '\n';
6608 assert(Version == 1 && "only understand version 1");
6610 uint32_t CommonEncodingsStart = readNext<uint32_t>(Pos);
6611 outs() << " Common encodings array section offset: "
6612 << format("0x%" PRIx32, CommonEncodingsStart) << '\n';
6613 uint32_t NumCommonEncodings = readNext<uint32_t>(Pos);
6614 outs() << " Number of common encodings in array: "
6615 << format("0x%" PRIx32, NumCommonEncodings) << '\n';
6617 uint32_t PersonalitiesStart = readNext<uint32_t>(Pos);
6618 outs() << " Personality function array section offset: "
6619 << format("0x%" PRIx32, PersonalitiesStart) << '\n';
6620 uint32_t NumPersonalities = readNext<uint32_t>(Pos);
6621 outs() << " Number of personality functions in array: "
6622 << format("0x%" PRIx32, NumPersonalities) << '\n';
6624 uint32_t IndicesStart = readNext<uint32_t>(Pos);
6625 outs() << " Index array section offset: "
6626 << format("0x%" PRIx32, IndicesStart) << '\n';
6627 uint32_t NumIndices = readNext<uint32_t>(Pos);
6628 outs() << " Number of indices in array: "
6629 << format("0x%" PRIx32, NumIndices) << '\n';
6631 //===----------------------------------
6632 // A shared list of common encodings
6633 //===----------------------------------
6635 // These occupy indices in the range [0, N] whenever an encoding is referenced
6636 // from a compressed 2nd level index table. In practice the linker only
6637 // creates ~128 of these, so that indices are available to embed encodings in
6638 // the 2nd level index.
6640 SmallVector<uint32_t, 64> CommonEncodings;
6641 outs() << " Common encodings: (count = " << NumCommonEncodings << ")\n";
6642 Pos = Contents.data() + CommonEncodingsStart;
6643 for (unsigned i = 0; i < NumCommonEncodings; ++i) {
6644 uint32_t Encoding = readNext<uint32_t>(Pos);
6645 CommonEncodings.push_back(Encoding);
6647 outs() << " encoding[" << i << "]: " << format("0x%08" PRIx32, Encoding)
6651 //===----------------------------------
6652 // Personality functions used in this executable
6653 //===----------------------------------
6655 // There should be only a handful of these (one per source language,
6656 // roughly). Particularly since they only get 2 bits in the compact encoding.
6658 outs() << " Personality functions: (count = " << NumPersonalities << ")\n";
6659 Pos = Contents.data() + PersonalitiesStart;
6660 for (unsigned i = 0; i < NumPersonalities; ++i) {
6661 uint32_t PersonalityFn = readNext<uint32_t>(Pos);
6662 outs() << " personality[" << i + 1
6663 << "]: " << format("0x%08" PRIx32, PersonalityFn) << '\n';
6666 //===----------------------------------
6667 // The level 1 index entries
6668 //===----------------------------------
6670 // These specify an approximate place to start searching for the more detailed
6671 // information, sorted by PC.
6674 uint32_t FunctionOffset;
6675 uint32_t SecondLevelPageStart;
6679 SmallVector<IndexEntry, 4> IndexEntries;
6681 outs() << " Top level indices: (count = " << NumIndices << ")\n";
6682 Pos = Contents.data() + IndicesStart;
6683 for (unsigned i = 0; i < NumIndices; ++i) {
6686 Entry.FunctionOffset = readNext<uint32_t>(Pos);
6687 Entry.SecondLevelPageStart = readNext<uint32_t>(Pos);
6688 Entry.LSDAStart = readNext<uint32_t>(Pos);
6689 IndexEntries.push_back(Entry);
6691 outs() << " [" << i << "]: "
6692 << "function offset=" << format("0x%08" PRIx32, Entry.FunctionOffset)
6694 << "2nd level page offset="
6695 << format("0x%08" PRIx32, Entry.SecondLevelPageStart) << ", "
6696 << "LSDA offset=" << format("0x%08" PRIx32, Entry.LSDAStart) << '\n';
6699 //===----------------------------------
6700 // Next come the LSDA tables
6701 //===----------------------------------
6703 // The LSDA layout is rather implicit: it's a contiguous array of entries from
6704 // the first top-level index's LSDAOffset to the last (sentinel).
6706 outs() << " LSDA descriptors:\n";
6707 Pos = Contents.data() + IndexEntries[0].LSDAStart;
6708 int NumLSDAs = (IndexEntries.back().LSDAStart - IndexEntries[0].LSDAStart) /
6709 (2 * sizeof(uint32_t));
6710 for (int i = 0; i < NumLSDAs; ++i) {
6711 uint32_t FunctionOffset = readNext<uint32_t>(Pos);
6712 uint32_t LSDAOffset = readNext<uint32_t>(Pos);
6713 outs() << " [" << i << "]: "
6714 << "function offset=" << format("0x%08" PRIx32, FunctionOffset)
6716 << "LSDA offset=" << format("0x%08" PRIx32, LSDAOffset) << '\n';
6719 //===----------------------------------
6720 // Finally, the 2nd level indices
6721 //===----------------------------------
6723 // Generally these are 4K in size, and have 2 possible forms:
6724 // + Regular stores up to 511 entries with disparate encodings
6725 // + Compressed stores up to 1021 entries if few enough compact encoding
6727 outs() << " Second level indices:\n";
6728 for (unsigned i = 0; i < IndexEntries.size() - 1; ++i) {
6729 // The final sentinel top-level index has no associated 2nd level page
6730 if (IndexEntries[i].SecondLevelPageStart == 0)
6733 outs() << " Second level index[" << i << "]: "
6734 << "offset in section="
6735 << format("0x%08" PRIx32, IndexEntries[i].SecondLevelPageStart)
6737 << "base function offset="
6738 << format("0x%08" PRIx32, IndexEntries[i].FunctionOffset) << '\n';
6740 Pos = Contents.data() + IndexEntries[i].SecondLevelPageStart;
6741 uint32_t Kind = *reinterpret_cast<const support::ulittle32_t *>(Pos);
6743 printRegularSecondLevelUnwindPage(Pos);
6745 printCompressedSecondLevelUnwindPage(Pos, IndexEntries[i].FunctionOffset,
6748 llvm_unreachable("Do not know how to print this kind of 2nd level page");
6752 static unsigned getSizeForEncoding(bool is64Bit,
6753 unsigned symbolEncoding) {
6754 unsigned format = symbolEncoding & 0x0f;
6756 default: llvm_unreachable("Unknown Encoding");
6757 case dwarf::DW_EH_PE_absptr:
6758 case dwarf::DW_EH_PE_signed:
6759 return is64Bit ? 8 : 4;
6760 case dwarf::DW_EH_PE_udata2:
6761 case dwarf::DW_EH_PE_sdata2:
6763 case dwarf::DW_EH_PE_udata4:
6764 case dwarf::DW_EH_PE_sdata4:
6766 case dwarf::DW_EH_PE_udata8:
6767 case dwarf::DW_EH_PE_sdata8:
6772 static uint64_t readPointer(const char *&Pos, bool is64Bit, unsigned Encoding) {
6773 switch (getSizeForEncoding(is64Bit, Encoding)) {
6775 return readNext<uint16_t>(Pos);
6778 return readNext<uint32_t>(Pos);
6781 return readNext<uint64_t>(Pos);
6784 llvm_unreachable("Illegal data size");
6788 static void printMachOEHFrameSection(const MachOObjectFile *Obj,
6789 std::map<uint64_t, SymbolRef> &Symbols,
6790 const SectionRef &EHFrame) {
6791 if (!Obj->isLittleEndian()) {
6792 outs() << "warning: cannot handle big endian __eh_frame section\n";
6796 bool is64Bit = Obj->is64Bit();
6798 outs() << "Contents of __eh_frame section:\n";
6801 EHFrame.getContents(Contents);
6803 /// A few fields of the CIE are used when decoding the FDE's. This struct
6804 /// will cache those fields we need so that we don't have to decode it
6805 /// repeatedly for each FDE that references it.
6807 Optional<uint32_t> FDEPointerEncoding;
6808 Optional<uint32_t> LSDAPointerEncoding;
6809 bool hasAugmentationLength;
6812 // Map from the start offset of the CIE to the cached data for that CIE.
6813 DenseMap<uint64_t, DecodedCIE> CachedCIEs;
6815 for (const char *Pos = Contents.data(), *End = Contents.end(); Pos != End; ) {
6817 const char *EntryStartPos = Pos;
6819 uint64_t Length = readNext<uint32_t>(Pos);
6820 if (Length == 0xffffffff)
6821 Length = readNext<uint64_t>(Pos);
6823 // Save the Pos so that we can check the length we encoded against what we
6825 const char *PosAfterLength = Pos;
6826 const char *EntryEndPos = PosAfterLength + Length;
6828 assert(EntryEndPos <= End &&
6829 "__eh_frame entry length exceeds section size");
6831 uint32_t ID = readNext<uint32_t>(Pos);
6835 uint32_t Version = readNext<uint8_t>(Pos);
6837 // Parse a null terminated augmentation string
6838 SmallString<8> AugmentationString;
6839 for (uint8_t Char = readNext<uint8_t>(Pos); Char;
6840 Char = readNext<uint8_t>(Pos))
6841 AugmentationString.push_back(Char);
6843 // Optionally parse the EH data if the augmentation string says it's there.
6844 Optional<uint64_t> EHData;
6845 if (StringRef(AugmentationString).count("eh"))
6846 EHData = is64Bit ? readNext<uint64_t>(Pos) : readNext<uint32_t>(Pos);
6848 unsigned ULEBByteCount;
6849 uint64_t CodeAlignmentFactor = decodeULEB128((const uint8_t *)Pos,
6851 Pos += ULEBByteCount;
6853 int64_t DataAlignmentFactor = decodeSLEB128((const uint8_t *)Pos,
6855 Pos += ULEBByteCount;
6857 uint32_t ReturnAddressRegister = readNext<uint8_t>(Pos);
6859 Optional<uint64_t> AugmentationLength;
6860 Optional<uint32_t> LSDAPointerEncoding;
6861 Optional<uint32_t> PersonalityEncoding;
6862 Optional<uint64_t> Personality;
6863 Optional<uint32_t> FDEPointerEncoding;
6864 if (!AugmentationString.empty() && AugmentationString.front() == 'z') {
6865 AugmentationLength = decodeULEB128((const uint8_t *)Pos,
6867 Pos += ULEBByteCount;
6869 // Walk the augmentation string to get all the augmentation data.
6870 for (unsigned i = 1, e = AugmentationString.size(); i != e; ++i) {
6871 char Char = AugmentationString[i];
6874 assert((i + 1) != e && AugmentationString[i + 1] == 'h' &&
6875 "Expected 'eh' in augmentation string");
6878 assert(!LSDAPointerEncoding && "Duplicate LSDA encoding");
6879 LSDAPointerEncoding = readNext<uint8_t>(Pos);
6882 assert(!Personality && "Duplicate personality");
6883 PersonalityEncoding = readNext<uint8_t>(Pos);
6884 Personality = readPointer(Pos, is64Bit, *PersonalityEncoding);
6888 assert(!FDEPointerEncoding && "Duplicate FDE encoding");
6889 FDEPointerEncoding = readNext<uint8_t>(Pos);
6892 llvm_unreachable("'z' must be first in the augmentation string");
6898 outs() << " Length: " << Length << "\n";
6899 outs() << " CIE ID: " << ID << "\n";
6900 outs() << " Version: " << Version << "\n";
6901 outs() << " Augmentation String: " << AugmentationString << "\n";
6903 outs() << " EHData: " << *EHData << "\n";
6904 outs() << " Code Alignment Factor: " << CodeAlignmentFactor << "\n";
6905 outs() << " Data Alignment Factor: " << DataAlignmentFactor << "\n";
6906 outs() << " Return Address Register: " << ReturnAddressRegister << "\n";
6907 if (AugmentationLength) {
6908 outs() << " Augmentation Data Length: " << *AugmentationLength << "\n";
6909 if (LSDAPointerEncoding) {
6910 outs() << " FDE LSDA Pointer Encoding: "
6911 << *LSDAPointerEncoding << "\n";
6914 outs() << " Personality Encoding: " << *PersonalityEncoding << "\n";
6915 outs() << " Personality: " << *Personality << "\n";
6917 if (FDEPointerEncoding) {
6918 outs() << " FDE Address Pointer Encoding: "
6919 << *FDEPointerEncoding << "\n";
6922 // FIXME: Handle instructions.
6923 // For now just emit some bytes
6924 outs() << " Instructions:\n ";
6925 dumpBytes(makeArrayRef((const uint8_t*)Pos, (const uint8_t*)EntryEndPos),
6930 // Cache this entry.
6931 uint64_t Offset = EntryStartPos - Contents.data();
6932 CachedCIEs[Offset] = { FDEPointerEncoding, LSDAPointerEncoding,
6933 AugmentationLength.hasValue() };
6938 // The CIE pointer for an FDE is the same location as the ID which we
6940 uint32_t CIEPointer = ID;
6942 const char *CIEStart = PosAfterLength - CIEPointer;
6943 assert(CIEStart >= Contents.data() &&
6944 "FDE points to CIE before the __eh_frame start");
6946 uint64_t CIEOffset = CIEStart - Contents.data();
6947 auto CIEIt = CachedCIEs.find(CIEOffset);
6948 if (CIEIt == CachedCIEs.end())
6949 llvm_unreachable("Couldn't find CIE at offset in to __eh_frame section");
6951 const DecodedCIE &CIE = CIEIt->getSecond();
6952 assert(CIE.FDEPointerEncoding &&
6953 "FDE references CIE which did not set pointer encoding");
6955 uint64_t PCPointerSize = getSizeForEncoding(is64Bit,
6956 *CIE.FDEPointerEncoding);
6958 uint64_t PCBegin = readPointer(Pos, is64Bit, *CIE.FDEPointerEncoding);
6959 uint64_t PCRange = readPointer(Pos, is64Bit, *CIE.FDEPointerEncoding);
6961 Optional<uint64_t> AugmentationLength;
6962 uint32_t LSDAPointerSize;
6963 Optional<uint64_t> LSDAPointer;
6964 if (CIE.hasAugmentationLength) {
6965 unsigned ULEBByteCount;
6966 AugmentationLength = decodeULEB128((const uint8_t *)Pos,
6968 Pos += ULEBByteCount;
6970 // Decode the LSDA if the CIE augmentation string said we should.
6971 if (CIE.LSDAPointerEncoding) {
6972 LSDAPointerSize = getSizeForEncoding(is64Bit, *CIE.LSDAPointerEncoding);
6973 LSDAPointer = readPointer(Pos, is64Bit, *CIE.LSDAPointerEncoding);
6978 outs() << " Length: " << Length << "\n";
6979 outs() << " CIE Offset: " << CIEOffset << "\n";
6981 if (PCPointerSize == 8) {
6982 outs() << format(" PC Begin: %016" PRIx64, PCBegin) << "\n";
6983 outs() << format(" PC Range: %016" PRIx64, PCRange) << "\n";
6985 outs() << format(" PC Begin: %08" PRIx64, PCBegin) << "\n";
6986 outs() << format(" PC Range: %08" PRIx64, PCRange) << "\n";
6988 if (AugmentationLength) {
6989 outs() << " Augmentation Data Length: " << *AugmentationLength << "\n";
6991 if (LSDAPointerSize == 8)
6992 outs() << format(" LSDA Pointer: %016\n" PRIx64, *LSDAPointer);
6994 outs() << format(" LSDA Pointer: %08\n" PRIx64, *LSDAPointer);
6998 // FIXME: Handle instructions.
6999 // For now just emit some bytes
7000 outs() << " Instructions:\n ";
7001 dumpBytes(makeArrayRef((const uint8_t*)Pos, (const uint8_t*)EntryEndPos),
7008 void llvm::printMachOUnwindInfo(const MachOObjectFile *Obj) {
7009 std::map<uint64_t, SymbolRef> Symbols;
7010 for (const SymbolRef &SymRef : Obj->symbols()) {
7011 // Discard any undefined or absolute symbols. They're not going to take part
7012 // in the convenience lookup for unwind info and just take up resources.
7013 section_iterator Section = *SymRef.getSection();
7014 if (Section == Obj->section_end())
7017 uint64_t Addr = SymRef.getValue();
7018 Symbols.insert(std::make_pair(Addr, SymRef));
7021 for (const SectionRef &Section : Obj->sections()) {
7023 Section.getName(SectName);
7024 if (SectName == "__compact_unwind")
7025 printMachOCompactUnwindSection(Obj, Symbols, Section);
7026 else if (SectName == "__unwind_info")
7027 printMachOUnwindInfoSection(Obj, Symbols, Section);
7028 else if (SectName == "__eh_frame")
7029 printMachOEHFrameSection(Obj, Symbols, Section);
7033 static void PrintMachHeader(uint32_t magic, uint32_t cputype,
7034 uint32_t cpusubtype, uint32_t filetype,
7035 uint32_t ncmds, uint32_t sizeofcmds, uint32_t flags,
7037 outs() << "Mach header\n";
7038 outs() << " magic cputype cpusubtype caps filetype ncmds "
7039 "sizeofcmds flags\n";
7041 if (magic == MachO::MH_MAGIC)
7042 outs() << " MH_MAGIC";
7043 else if (magic == MachO::MH_MAGIC_64)
7044 outs() << "MH_MAGIC_64";
7046 outs() << format(" 0x%08" PRIx32, magic);
7048 case MachO::CPU_TYPE_I386:
7050 switch (cpusubtype & ~MachO::CPU_SUBTYPE_MASK) {
7051 case MachO::CPU_SUBTYPE_I386_ALL:
7055 outs() << format(" %10d", cpusubtype & ~MachO::CPU_SUBTYPE_MASK);
7059 case MachO::CPU_TYPE_X86_64:
7060 outs() << " X86_64";
7061 switch (cpusubtype & ~MachO::CPU_SUBTYPE_MASK) {
7062 case MachO::CPU_SUBTYPE_X86_64_ALL:
7065 case MachO::CPU_SUBTYPE_X86_64_H:
7066 outs() << " Haswell";
7069 outs() << format(" %10d", cpusubtype & ~MachO::CPU_SUBTYPE_MASK);
7073 case MachO::CPU_TYPE_ARM:
7075 switch (cpusubtype & ~MachO::CPU_SUBTYPE_MASK) {
7076 case MachO::CPU_SUBTYPE_ARM_ALL:
7079 case MachO::CPU_SUBTYPE_ARM_V4T:
7082 case MachO::CPU_SUBTYPE_ARM_V5TEJ:
7085 case MachO::CPU_SUBTYPE_ARM_XSCALE:
7086 outs() << " XSCALE";
7088 case MachO::CPU_SUBTYPE_ARM_V6:
7091 case MachO::CPU_SUBTYPE_ARM_V6M:
7094 case MachO::CPU_SUBTYPE_ARM_V7:
7097 case MachO::CPU_SUBTYPE_ARM_V7EM:
7100 case MachO::CPU_SUBTYPE_ARM_V7K:
7103 case MachO::CPU_SUBTYPE_ARM_V7M:
7106 case MachO::CPU_SUBTYPE_ARM_V7S:
7110 outs() << format(" %10d", cpusubtype & ~MachO::CPU_SUBTYPE_MASK);
7114 case MachO::CPU_TYPE_ARM64:
7116 switch (cpusubtype & ~MachO::CPU_SUBTYPE_MASK) {
7117 case MachO::CPU_SUBTYPE_ARM64_ALL:
7121 outs() << format(" %10d", cpusubtype & ~MachO::CPU_SUBTYPE_MASK);
7125 case MachO::CPU_TYPE_POWERPC:
7127 switch (cpusubtype & ~MachO::CPU_SUBTYPE_MASK) {
7128 case MachO::CPU_SUBTYPE_POWERPC_ALL:
7132 outs() << format(" %10d", cpusubtype & ~MachO::CPU_SUBTYPE_MASK);
7136 case MachO::CPU_TYPE_POWERPC64:
7138 switch (cpusubtype & ~MachO::CPU_SUBTYPE_MASK) {
7139 case MachO::CPU_SUBTYPE_POWERPC_ALL:
7143 outs() << format(" %10d", cpusubtype & ~MachO::CPU_SUBTYPE_MASK);
7148 if ((cpusubtype & MachO::CPU_SUBTYPE_MASK) == MachO::CPU_SUBTYPE_LIB64) {
7151 outs() << format(" 0x%02" PRIx32,
7152 (cpusubtype & MachO::CPU_SUBTYPE_MASK) >> 24);
7155 case MachO::MH_OBJECT:
7156 outs() << " OBJECT";
7158 case MachO::MH_EXECUTE:
7159 outs() << " EXECUTE";
7161 case MachO::MH_FVMLIB:
7162 outs() << " FVMLIB";
7164 case MachO::MH_CORE:
7167 case MachO::MH_PRELOAD:
7168 outs() << " PRELOAD";
7170 case MachO::MH_DYLIB:
7173 case MachO::MH_DYLIB_STUB:
7174 outs() << " DYLIB_STUB";
7176 case MachO::MH_DYLINKER:
7177 outs() << " DYLINKER";
7179 case MachO::MH_BUNDLE:
7180 outs() << " BUNDLE";
7182 case MachO::MH_DSYM:
7185 case MachO::MH_KEXT_BUNDLE:
7186 outs() << " KEXTBUNDLE";
7189 outs() << format(" %10u", filetype);
7192 outs() << format(" %5u", ncmds);
7193 outs() << format(" %10u", sizeofcmds);
7195 if (f & MachO::MH_NOUNDEFS) {
7196 outs() << " NOUNDEFS";
7197 f &= ~MachO::MH_NOUNDEFS;
7199 if (f & MachO::MH_INCRLINK) {
7200 outs() << " INCRLINK";
7201 f &= ~MachO::MH_INCRLINK;
7203 if (f & MachO::MH_DYLDLINK) {
7204 outs() << " DYLDLINK";
7205 f &= ~MachO::MH_DYLDLINK;
7207 if (f & MachO::MH_BINDATLOAD) {
7208 outs() << " BINDATLOAD";
7209 f &= ~MachO::MH_BINDATLOAD;
7211 if (f & MachO::MH_PREBOUND) {
7212 outs() << " PREBOUND";
7213 f &= ~MachO::MH_PREBOUND;
7215 if (f & MachO::MH_SPLIT_SEGS) {
7216 outs() << " SPLIT_SEGS";
7217 f &= ~MachO::MH_SPLIT_SEGS;
7219 if (f & MachO::MH_LAZY_INIT) {
7220 outs() << " LAZY_INIT";
7221 f &= ~MachO::MH_LAZY_INIT;
7223 if (f & MachO::MH_TWOLEVEL) {
7224 outs() << " TWOLEVEL";
7225 f &= ~MachO::MH_TWOLEVEL;
7227 if (f & MachO::MH_FORCE_FLAT) {
7228 outs() << " FORCE_FLAT";
7229 f &= ~MachO::MH_FORCE_FLAT;
7231 if (f & MachO::MH_NOMULTIDEFS) {
7232 outs() << " NOMULTIDEFS";
7233 f &= ~MachO::MH_NOMULTIDEFS;
7235 if (f & MachO::MH_NOFIXPREBINDING) {
7236 outs() << " NOFIXPREBINDING";
7237 f &= ~MachO::MH_NOFIXPREBINDING;
7239 if (f & MachO::MH_PREBINDABLE) {
7240 outs() << " PREBINDABLE";
7241 f &= ~MachO::MH_PREBINDABLE;
7243 if (f & MachO::MH_ALLMODSBOUND) {
7244 outs() << " ALLMODSBOUND";
7245 f &= ~MachO::MH_ALLMODSBOUND;
7247 if (f & MachO::MH_SUBSECTIONS_VIA_SYMBOLS) {
7248 outs() << " SUBSECTIONS_VIA_SYMBOLS";
7249 f &= ~MachO::MH_SUBSECTIONS_VIA_SYMBOLS;
7251 if (f & MachO::MH_CANONICAL) {
7252 outs() << " CANONICAL";
7253 f &= ~MachO::MH_CANONICAL;
7255 if (f & MachO::MH_WEAK_DEFINES) {
7256 outs() << " WEAK_DEFINES";
7257 f &= ~MachO::MH_WEAK_DEFINES;
7259 if (f & MachO::MH_BINDS_TO_WEAK) {
7260 outs() << " BINDS_TO_WEAK";
7261 f &= ~MachO::MH_BINDS_TO_WEAK;
7263 if (f & MachO::MH_ALLOW_STACK_EXECUTION) {
7264 outs() << " ALLOW_STACK_EXECUTION";
7265 f &= ~MachO::MH_ALLOW_STACK_EXECUTION;
7267 if (f & MachO::MH_DEAD_STRIPPABLE_DYLIB) {
7268 outs() << " DEAD_STRIPPABLE_DYLIB";
7269 f &= ~MachO::MH_DEAD_STRIPPABLE_DYLIB;
7271 if (f & MachO::MH_PIE) {
7273 f &= ~MachO::MH_PIE;
7275 if (f & MachO::MH_NO_REEXPORTED_DYLIBS) {
7276 outs() << " NO_REEXPORTED_DYLIBS";
7277 f &= ~MachO::MH_NO_REEXPORTED_DYLIBS;
7279 if (f & MachO::MH_HAS_TLV_DESCRIPTORS) {
7280 outs() << " MH_HAS_TLV_DESCRIPTORS";
7281 f &= ~MachO::MH_HAS_TLV_DESCRIPTORS;
7283 if (f & MachO::MH_NO_HEAP_EXECUTION) {
7284 outs() << " MH_NO_HEAP_EXECUTION";
7285 f &= ~MachO::MH_NO_HEAP_EXECUTION;
7287 if (f & MachO::MH_APP_EXTENSION_SAFE) {
7288 outs() << " APP_EXTENSION_SAFE";
7289 f &= ~MachO::MH_APP_EXTENSION_SAFE;
7291 if (f != 0 || flags == 0)
7292 outs() << format(" 0x%08" PRIx32, f);
7294 outs() << format(" 0x%08" PRIx32, magic);
7295 outs() << format(" %7d", cputype);
7296 outs() << format(" %10d", cpusubtype & ~MachO::CPU_SUBTYPE_MASK);
7297 outs() << format(" 0x%02" PRIx32,
7298 (cpusubtype & MachO::CPU_SUBTYPE_MASK) >> 24);
7299 outs() << format(" %10u", filetype);
7300 outs() << format(" %5u", ncmds);
7301 outs() << format(" %10u", sizeofcmds);
7302 outs() << format(" 0x%08" PRIx32, flags);
7307 static void PrintSegmentCommand(uint32_t cmd, uint32_t cmdsize,
7308 StringRef SegName, uint64_t vmaddr,
7309 uint64_t vmsize, uint64_t fileoff,
7310 uint64_t filesize, uint32_t maxprot,
7311 uint32_t initprot, uint32_t nsects,
7312 uint32_t flags, uint32_t object_size,
7314 uint64_t expected_cmdsize;
7315 if (cmd == MachO::LC_SEGMENT) {
7316 outs() << " cmd LC_SEGMENT\n";
7317 expected_cmdsize = nsects;
7318 expected_cmdsize *= sizeof(struct MachO::section);
7319 expected_cmdsize += sizeof(struct MachO::segment_command);
7321 outs() << " cmd LC_SEGMENT_64\n";
7322 expected_cmdsize = nsects;
7323 expected_cmdsize *= sizeof(struct MachO::section_64);
7324 expected_cmdsize += sizeof(struct MachO::segment_command_64);
7326 outs() << " cmdsize " << cmdsize;
7327 if (cmdsize != expected_cmdsize)
7328 outs() << " Inconsistent size\n";
7331 outs() << " segname " << SegName << "\n";
7332 if (cmd == MachO::LC_SEGMENT_64) {
7333 outs() << " vmaddr " << format("0x%016" PRIx64, vmaddr) << "\n";
7334 outs() << " vmsize " << format("0x%016" PRIx64, vmsize) << "\n";
7336 outs() << " vmaddr " << format("0x%08" PRIx64, vmaddr) << "\n";
7337 outs() << " vmsize " << format("0x%08" PRIx64, vmsize) << "\n";
7339 outs() << " fileoff " << fileoff;
7340 if (fileoff > object_size)
7341 outs() << " (past end of file)\n";
7344 outs() << " filesize " << filesize;
7345 if (fileoff + filesize > object_size)
7346 outs() << " (past end of file)\n";
7351 ~(MachO::VM_PROT_READ | MachO::VM_PROT_WRITE |
7352 MachO::VM_PROT_EXECUTE)) != 0)
7353 outs() << " maxprot ?" << format("0x%08" PRIx32, maxprot) << "\n";
7355 outs() << " maxprot ";
7356 outs() << ((maxprot & MachO::VM_PROT_READ) ? "r" : "-");
7357 outs() << ((maxprot & MachO::VM_PROT_WRITE) ? "w" : "-");
7358 outs() << ((maxprot & MachO::VM_PROT_EXECUTE) ? "x\n" : "-\n");
7361 ~(MachO::VM_PROT_READ | MachO::VM_PROT_WRITE |
7362 MachO::VM_PROT_EXECUTE)) != 0)
7363 outs() << " initprot ?" << format("0x%08" PRIx32, initprot) << "\n";
7365 outs() << " initprot ";
7366 outs() << ((initprot & MachO::VM_PROT_READ) ? "r" : "-");
7367 outs() << ((initprot & MachO::VM_PROT_WRITE) ? "w" : "-");
7368 outs() << ((initprot & MachO::VM_PROT_EXECUTE) ? "x\n" : "-\n");
7371 outs() << " maxprot " << format("0x%08" PRIx32, maxprot) << "\n";
7372 outs() << " initprot " << format("0x%08" PRIx32, initprot) << "\n";
7374 outs() << " nsects " << nsects << "\n";
7378 outs() << " (none)\n";
7380 if (flags & MachO::SG_HIGHVM) {
7381 outs() << " HIGHVM";
7382 flags &= ~MachO::SG_HIGHVM;
7384 if (flags & MachO::SG_FVMLIB) {
7385 outs() << " FVMLIB";
7386 flags &= ~MachO::SG_FVMLIB;
7388 if (flags & MachO::SG_NORELOC) {
7389 outs() << " NORELOC";
7390 flags &= ~MachO::SG_NORELOC;
7392 if (flags & MachO::SG_PROTECTED_VERSION_1) {
7393 outs() << " PROTECTED_VERSION_1";
7394 flags &= ~MachO::SG_PROTECTED_VERSION_1;
7397 outs() << format(" 0x%08" PRIx32, flags) << " (unknown flags)\n";
7402 outs() << " flags " << format("0x%" PRIx32, flags) << "\n";
7406 static void PrintSection(const char *sectname, const char *segname,
7407 uint64_t addr, uint64_t size, uint32_t offset,
7408 uint32_t align, uint32_t reloff, uint32_t nreloc,
7409 uint32_t flags, uint32_t reserved1, uint32_t reserved2,
7410 uint32_t cmd, const char *sg_segname,
7411 uint32_t filetype, uint32_t object_size,
7413 outs() << "Section\n";
7414 outs() << " sectname " << format("%.16s\n", sectname);
7415 outs() << " segname " << format("%.16s", segname);
7416 if (filetype != MachO::MH_OBJECT && strncmp(sg_segname, segname, 16) != 0)
7417 outs() << " (does not match segment)\n";
7420 if (cmd == MachO::LC_SEGMENT_64) {
7421 outs() << " addr " << format("0x%016" PRIx64, addr) << "\n";
7422 outs() << " size " << format("0x%016" PRIx64, size);
7424 outs() << " addr " << format("0x%08" PRIx64, addr) << "\n";
7425 outs() << " size " << format("0x%08" PRIx64, size);
7427 if ((flags & MachO::S_ZEROFILL) != 0 && offset + size > object_size)
7428 outs() << " (past end of file)\n";
7431 outs() << " offset " << offset;
7432 if (offset > object_size)
7433 outs() << " (past end of file)\n";
7436 uint32_t align_shifted = 1 << align;
7437 outs() << " align 2^" << align << " (" << align_shifted << ")\n";
7438 outs() << " reloff " << reloff;
7439 if (reloff > object_size)
7440 outs() << " (past end of file)\n";
7443 outs() << " nreloc " << nreloc;
7444 if (reloff + nreloc * sizeof(struct MachO::relocation_info) > object_size)
7445 outs() << " (past end of file)\n";
7448 uint32_t section_type = flags & MachO::SECTION_TYPE;
7451 if (section_type == MachO::S_REGULAR)
7452 outs() << " S_REGULAR\n";
7453 else if (section_type == MachO::S_ZEROFILL)
7454 outs() << " S_ZEROFILL\n";
7455 else if (section_type == MachO::S_CSTRING_LITERALS)
7456 outs() << " S_CSTRING_LITERALS\n";
7457 else if (section_type == MachO::S_4BYTE_LITERALS)
7458 outs() << " S_4BYTE_LITERALS\n";
7459 else if (section_type == MachO::S_8BYTE_LITERALS)
7460 outs() << " S_8BYTE_LITERALS\n";
7461 else if (section_type == MachO::S_16BYTE_LITERALS)
7462 outs() << " S_16BYTE_LITERALS\n";
7463 else if (section_type == MachO::S_LITERAL_POINTERS)
7464 outs() << " S_LITERAL_POINTERS\n";
7465 else if (section_type == MachO::S_NON_LAZY_SYMBOL_POINTERS)
7466 outs() << " S_NON_LAZY_SYMBOL_POINTERS\n";
7467 else if (section_type == MachO::S_LAZY_SYMBOL_POINTERS)
7468 outs() << " S_LAZY_SYMBOL_POINTERS\n";
7469 else if (section_type == MachO::S_SYMBOL_STUBS)
7470 outs() << " S_SYMBOL_STUBS\n";
7471 else if (section_type == MachO::S_MOD_INIT_FUNC_POINTERS)
7472 outs() << " S_MOD_INIT_FUNC_POINTERS\n";
7473 else if (section_type == MachO::S_MOD_TERM_FUNC_POINTERS)
7474 outs() << " S_MOD_TERM_FUNC_POINTERS\n";
7475 else if (section_type == MachO::S_COALESCED)
7476 outs() << " S_COALESCED\n";
7477 else if (section_type == MachO::S_INTERPOSING)
7478 outs() << " S_INTERPOSING\n";
7479 else if (section_type == MachO::S_DTRACE_DOF)
7480 outs() << " S_DTRACE_DOF\n";
7481 else if (section_type == MachO::S_LAZY_DYLIB_SYMBOL_POINTERS)
7482 outs() << " S_LAZY_DYLIB_SYMBOL_POINTERS\n";
7483 else if (section_type == MachO::S_THREAD_LOCAL_REGULAR)
7484 outs() << " S_THREAD_LOCAL_REGULAR\n";
7485 else if (section_type == MachO::S_THREAD_LOCAL_ZEROFILL)
7486 outs() << " S_THREAD_LOCAL_ZEROFILL\n";
7487 else if (section_type == MachO::S_THREAD_LOCAL_VARIABLES)
7488 outs() << " S_THREAD_LOCAL_VARIABLES\n";
7489 else if (section_type == MachO::S_THREAD_LOCAL_VARIABLE_POINTERS)
7490 outs() << " S_THREAD_LOCAL_VARIABLE_POINTERS\n";
7491 else if (section_type == MachO::S_THREAD_LOCAL_INIT_FUNCTION_POINTERS)
7492 outs() << " S_THREAD_LOCAL_INIT_FUNCTION_POINTERS\n";
7494 outs() << format("0x%08" PRIx32, section_type) << "\n";
7495 outs() << "attributes";
7496 uint32_t section_attributes = flags & MachO::SECTION_ATTRIBUTES;
7497 if (section_attributes & MachO::S_ATTR_PURE_INSTRUCTIONS)
7498 outs() << " PURE_INSTRUCTIONS";
7499 if (section_attributes & MachO::S_ATTR_NO_TOC)
7500 outs() << " NO_TOC";
7501 if (section_attributes & MachO::S_ATTR_STRIP_STATIC_SYMS)
7502 outs() << " STRIP_STATIC_SYMS";
7503 if (section_attributes & MachO::S_ATTR_NO_DEAD_STRIP)
7504 outs() << " NO_DEAD_STRIP";
7505 if (section_attributes & MachO::S_ATTR_LIVE_SUPPORT)
7506 outs() << " LIVE_SUPPORT";
7507 if (section_attributes & MachO::S_ATTR_SELF_MODIFYING_CODE)
7508 outs() << " SELF_MODIFYING_CODE";
7509 if (section_attributes & MachO::S_ATTR_DEBUG)
7511 if (section_attributes & MachO::S_ATTR_SOME_INSTRUCTIONS)
7512 outs() << " SOME_INSTRUCTIONS";
7513 if (section_attributes & MachO::S_ATTR_EXT_RELOC)
7514 outs() << " EXT_RELOC";
7515 if (section_attributes & MachO::S_ATTR_LOC_RELOC)
7516 outs() << " LOC_RELOC";
7517 if (section_attributes == 0)
7518 outs() << " (none)";
7521 outs() << " flags " << format("0x%08" PRIx32, flags) << "\n";
7522 outs() << " reserved1 " << reserved1;
7523 if (section_type == MachO::S_SYMBOL_STUBS ||
7524 section_type == MachO::S_LAZY_SYMBOL_POINTERS ||
7525 section_type == MachO::S_LAZY_DYLIB_SYMBOL_POINTERS ||
7526 section_type == MachO::S_NON_LAZY_SYMBOL_POINTERS ||
7527 section_type == MachO::S_THREAD_LOCAL_VARIABLE_POINTERS)
7528 outs() << " (index into indirect symbol table)\n";
7531 outs() << " reserved2 " << reserved2;
7532 if (section_type == MachO::S_SYMBOL_STUBS)
7533 outs() << " (size of stubs)\n";
7538 static void PrintSymtabLoadCommand(MachO::symtab_command st, bool Is64Bit,
7539 uint32_t object_size) {
7540 outs() << " cmd LC_SYMTAB\n";
7541 outs() << " cmdsize " << st.cmdsize;
7542 if (st.cmdsize != sizeof(struct MachO::symtab_command))
7543 outs() << " Incorrect size\n";
7546 outs() << " symoff " << st.symoff;
7547 if (st.symoff > object_size)
7548 outs() << " (past end of file)\n";
7551 outs() << " nsyms " << st.nsyms;
7554 big_size = st.nsyms;
7555 big_size *= sizeof(struct MachO::nlist_64);
7556 big_size += st.symoff;
7557 if (big_size > object_size)
7558 outs() << " (past end of file)\n";
7562 big_size = st.nsyms;
7563 big_size *= sizeof(struct MachO::nlist);
7564 big_size += st.symoff;
7565 if (big_size > object_size)
7566 outs() << " (past end of file)\n";
7570 outs() << " stroff " << st.stroff;
7571 if (st.stroff > object_size)
7572 outs() << " (past end of file)\n";
7575 outs() << " strsize " << st.strsize;
7576 big_size = st.stroff;
7577 big_size += st.strsize;
7578 if (big_size > object_size)
7579 outs() << " (past end of file)\n";
7584 static void PrintDysymtabLoadCommand(MachO::dysymtab_command dyst,
7585 uint32_t nsyms, uint32_t object_size,
7587 outs() << " cmd LC_DYSYMTAB\n";
7588 outs() << " cmdsize " << dyst.cmdsize;
7589 if (dyst.cmdsize != sizeof(struct MachO::dysymtab_command))
7590 outs() << " Incorrect size\n";
7593 outs() << " ilocalsym " << dyst.ilocalsym;
7594 if (dyst.ilocalsym > nsyms)
7595 outs() << " (greater than the number of symbols)\n";
7598 outs() << " nlocalsym " << dyst.nlocalsym;
7600 big_size = dyst.ilocalsym;
7601 big_size += dyst.nlocalsym;
7602 if (big_size > nsyms)
7603 outs() << " (past the end of the symbol table)\n";
7606 outs() << " iextdefsym " << dyst.iextdefsym;
7607 if (dyst.iextdefsym > nsyms)
7608 outs() << " (greater than the number of symbols)\n";
7611 outs() << " nextdefsym " << dyst.nextdefsym;
7612 big_size = dyst.iextdefsym;
7613 big_size += dyst.nextdefsym;
7614 if (big_size > nsyms)
7615 outs() << " (past the end of the symbol table)\n";
7618 outs() << " iundefsym " << dyst.iundefsym;
7619 if (dyst.iundefsym > nsyms)
7620 outs() << " (greater than the number of symbols)\n";
7623 outs() << " nundefsym " << dyst.nundefsym;
7624 big_size = dyst.iundefsym;
7625 big_size += dyst.nundefsym;
7626 if (big_size > nsyms)
7627 outs() << " (past the end of the symbol table)\n";
7630 outs() << " tocoff " << dyst.tocoff;
7631 if (dyst.tocoff > object_size)
7632 outs() << " (past end of file)\n";
7635 outs() << " ntoc " << dyst.ntoc;
7636 big_size = dyst.ntoc;
7637 big_size *= sizeof(struct MachO::dylib_table_of_contents);
7638 big_size += dyst.tocoff;
7639 if (big_size > object_size)
7640 outs() << " (past end of file)\n";
7643 outs() << " modtaboff " << dyst.modtaboff;
7644 if (dyst.modtaboff > object_size)
7645 outs() << " (past end of file)\n";
7648 outs() << " nmodtab " << dyst.nmodtab;
7651 modtabend = dyst.nmodtab;
7652 modtabend *= sizeof(struct MachO::dylib_module_64);
7653 modtabend += dyst.modtaboff;
7655 modtabend = dyst.nmodtab;
7656 modtabend *= sizeof(struct MachO::dylib_module);
7657 modtabend += dyst.modtaboff;
7659 if (modtabend > object_size)
7660 outs() << " (past end of file)\n";
7663 outs() << " extrefsymoff " << dyst.extrefsymoff;
7664 if (dyst.extrefsymoff > object_size)
7665 outs() << " (past end of file)\n";
7668 outs() << " nextrefsyms " << dyst.nextrefsyms;
7669 big_size = dyst.nextrefsyms;
7670 big_size *= sizeof(struct MachO::dylib_reference);
7671 big_size += dyst.extrefsymoff;
7672 if (big_size > object_size)
7673 outs() << " (past end of file)\n";
7676 outs() << " indirectsymoff " << dyst.indirectsymoff;
7677 if (dyst.indirectsymoff > object_size)
7678 outs() << " (past end of file)\n";
7681 outs() << " nindirectsyms " << dyst.nindirectsyms;
7682 big_size = dyst.nindirectsyms;
7683 big_size *= sizeof(uint32_t);
7684 big_size += dyst.indirectsymoff;
7685 if (big_size > object_size)
7686 outs() << " (past end of file)\n";
7689 outs() << " extreloff " << dyst.extreloff;
7690 if (dyst.extreloff > object_size)
7691 outs() << " (past end of file)\n";
7694 outs() << " nextrel " << dyst.nextrel;
7695 big_size = dyst.nextrel;
7696 big_size *= sizeof(struct MachO::relocation_info);
7697 big_size += dyst.extreloff;
7698 if (big_size > object_size)
7699 outs() << " (past end of file)\n";
7702 outs() << " locreloff " << dyst.locreloff;
7703 if (dyst.locreloff > object_size)
7704 outs() << " (past end of file)\n";
7707 outs() << " nlocrel " << dyst.nlocrel;
7708 big_size = dyst.nlocrel;
7709 big_size *= sizeof(struct MachO::relocation_info);
7710 big_size += dyst.locreloff;
7711 if (big_size > object_size)
7712 outs() << " (past end of file)\n";
7717 static void PrintDyldInfoLoadCommand(MachO::dyld_info_command dc,
7718 uint32_t object_size) {
7719 if (dc.cmd == MachO::LC_DYLD_INFO)
7720 outs() << " cmd LC_DYLD_INFO\n";
7722 outs() << " cmd LC_DYLD_INFO_ONLY\n";
7723 outs() << " cmdsize " << dc.cmdsize;
7724 if (dc.cmdsize != sizeof(struct MachO::dyld_info_command))
7725 outs() << " Incorrect size\n";
7728 outs() << " rebase_off " << dc.rebase_off;
7729 if (dc.rebase_off > object_size)
7730 outs() << " (past end of file)\n";
7733 outs() << " rebase_size " << dc.rebase_size;
7735 big_size = dc.rebase_off;
7736 big_size += dc.rebase_size;
7737 if (big_size > object_size)
7738 outs() << " (past end of file)\n";
7741 outs() << " bind_off " << dc.bind_off;
7742 if (dc.bind_off > object_size)
7743 outs() << " (past end of file)\n";
7746 outs() << " bind_size " << dc.bind_size;
7747 big_size = dc.bind_off;
7748 big_size += dc.bind_size;
7749 if (big_size > object_size)
7750 outs() << " (past end of file)\n";
7753 outs() << " weak_bind_off " << dc.weak_bind_off;
7754 if (dc.weak_bind_off > object_size)
7755 outs() << " (past end of file)\n";
7758 outs() << " weak_bind_size " << dc.weak_bind_size;
7759 big_size = dc.weak_bind_off;
7760 big_size += dc.weak_bind_size;
7761 if (big_size > object_size)
7762 outs() << " (past end of file)\n";
7765 outs() << " lazy_bind_off " << dc.lazy_bind_off;
7766 if (dc.lazy_bind_off > object_size)
7767 outs() << " (past end of file)\n";
7770 outs() << " lazy_bind_size " << dc.lazy_bind_size;
7771 big_size = dc.lazy_bind_off;
7772 big_size += dc.lazy_bind_size;
7773 if (big_size > object_size)
7774 outs() << " (past end of file)\n";
7777 outs() << " export_off " << dc.export_off;
7778 if (dc.export_off > object_size)
7779 outs() << " (past end of file)\n";
7782 outs() << " export_size " << dc.export_size;
7783 big_size = dc.export_off;
7784 big_size += dc.export_size;
7785 if (big_size > object_size)
7786 outs() << " (past end of file)\n";
7791 static void PrintDyldLoadCommand(MachO::dylinker_command dyld,
7793 if (dyld.cmd == MachO::LC_ID_DYLINKER)
7794 outs() << " cmd LC_ID_DYLINKER\n";
7795 else if (dyld.cmd == MachO::LC_LOAD_DYLINKER)
7796 outs() << " cmd LC_LOAD_DYLINKER\n";
7797 else if (dyld.cmd == MachO::LC_DYLD_ENVIRONMENT)
7798 outs() << " cmd LC_DYLD_ENVIRONMENT\n";
7800 outs() << " cmd ?(" << dyld.cmd << ")\n";
7801 outs() << " cmdsize " << dyld.cmdsize;
7802 if (dyld.cmdsize < sizeof(struct MachO::dylinker_command))
7803 outs() << " Incorrect size\n";
7806 if (dyld.name >= dyld.cmdsize)
7807 outs() << " name ?(bad offset " << dyld.name << ")\n";
7809 const char *P = (const char *)(Ptr) + dyld.name;
7810 outs() << " name " << P << " (offset " << dyld.name << ")\n";
7814 static void PrintUuidLoadCommand(MachO::uuid_command uuid) {
7815 outs() << " cmd LC_UUID\n";
7816 outs() << " cmdsize " << uuid.cmdsize;
7817 if (uuid.cmdsize != sizeof(struct MachO::uuid_command))
7818 outs() << " Incorrect size\n";
7822 for (int i = 0; i < 16; ++i) {
7823 outs() << format("%02" PRIX32, uuid.uuid[i]);
7824 if (i == 3 || i == 5 || i == 7 || i == 9)
7830 static void PrintRpathLoadCommand(MachO::rpath_command rpath, const char *Ptr) {
7831 outs() << " cmd LC_RPATH\n";
7832 outs() << " cmdsize " << rpath.cmdsize;
7833 if (rpath.cmdsize < sizeof(struct MachO::rpath_command))
7834 outs() << " Incorrect size\n";
7837 if (rpath.path >= rpath.cmdsize)
7838 outs() << " path ?(bad offset " << rpath.path << ")\n";
7840 const char *P = (const char *)(Ptr) + rpath.path;
7841 outs() << " path " << P << " (offset " << rpath.path << ")\n";
7845 static void PrintVersionMinLoadCommand(MachO::version_min_command vd) {
7846 StringRef LoadCmdName;
7848 case MachO::LC_VERSION_MIN_MACOSX:
7849 LoadCmdName = "LC_VERSION_MIN_MACOSX";
7851 case MachO::LC_VERSION_MIN_IPHONEOS:
7852 LoadCmdName = "LC_VERSION_MIN_IPHONEOS";
7854 case MachO::LC_VERSION_MIN_TVOS:
7855 LoadCmdName = "LC_VERSION_MIN_TVOS";
7857 case MachO::LC_VERSION_MIN_WATCHOS:
7858 LoadCmdName = "LC_VERSION_MIN_WATCHOS";
7861 llvm_unreachable("Unknown version min load command");
7864 outs() << " cmd " << LoadCmdName << '\n';
7865 outs() << " cmdsize " << vd.cmdsize;
7866 if (vd.cmdsize != sizeof(struct MachO::version_min_command))
7867 outs() << " Incorrect size\n";
7870 outs() << " version "
7871 << MachOObjectFile::getVersionMinMajor(vd, false) << "."
7872 << MachOObjectFile::getVersionMinMinor(vd, false);
7873 uint32_t Update = MachOObjectFile::getVersionMinUpdate(vd, false);
7875 outs() << "." << Update;
7878 outs() << " sdk n/a";
7881 << MachOObjectFile::getVersionMinMajor(vd, true) << "."
7882 << MachOObjectFile::getVersionMinMinor(vd, true);
7884 Update = MachOObjectFile::getVersionMinUpdate(vd, true);
7886 outs() << "." << Update;
7890 static void PrintSourceVersionCommand(MachO::source_version_command sd) {
7891 outs() << " cmd LC_SOURCE_VERSION\n";
7892 outs() << " cmdsize " << sd.cmdsize;
7893 if (sd.cmdsize != sizeof(struct MachO::source_version_command))
7894 outs() << " Incorrect size\n";
7897 uint64_t a = (sd.version >> 40) & 0xffffff;
7898 uint64_t b = (sd.version >> 30) & 0x3ff;
7899 uint64_t c = (sd.version >> 20) & 0x3ff;
7900 uint64_t d = (sd.version >> 10) & 0x3ff;
7901 uint64_t e = sd.version & 0x3ff;
7902 outs() << " version " << a << "." << b;
7904 outs() << "." << c << "." << d << "." << e;
7906 outs() << "." << c << "." << d;
7912 static void PrintEntryPointCommand(MachO::entry_point_command ep) {
7913 outs() << " cmd LC_MAIN\n";
7914 outs() << " cmdsize " << ep.cmdsize;
7915 if (ep.cmdsize != sizeof(struct MachO::entry_point_command))
7916 outs() << " Incorrect size\n";
7919 outs() << " entryoff " << ep.entryoff << "\n";
7920 outs() << " stacksize " << ep.stacksize << "\n";
7923 static void PrintEncryptionInfoCommand(MachO::encryption_info_command ec,
7924 uint32_t object_size) {
7925 outs() << " cmd LC_ENCRYPTION_INFO\n";
7926 outs() << " cmdsize " << ec.cmdsize;
7927 if (ec.cmdsize != sizeof(struct MachO::encryption_info_command))
7928 outs() << " Incorrect size\n";
7931 outs() << " cryptoff " << ec.cryptoff;
7932 if (ec.cryptoff > object_size)
7933 outs() << " (past end of file)\n";
7936 outs() << " cryptsize " << ec.cryptsize;
7937 if (ec.cryptsize > object_size)
7938 outs() << " (past end of file)\n";
7941 outs() << " cryptid " << ec.cryptid << "\n";
7944 static void PrintEncryptionInfoCommand64(MachO::encryption_info_command_64 ec,
7945 uint32_t object_size) {
7946 outs() << " cmd LC_ENCRYPTION_INFO_64\n";
7947 outs() << " cmdsize " << ec.cmdsize;
7948 if (ec.cmdsize != sizeof(struct MachO::encryption_info_command_64))
7949 outs() << " Incorrect size\n";
7952 outs() << " cryptoff " << ec.cryptoff;
7953 if (ec.cryptoff > object_size)
7954 outs() << " (past end of file)\n";
7957 outs() << " cryptsize " << ec.cryptsize;
7958 if (ec.cryptsize > object_size)
7959 outs() << " (past end of file)\n";
7962 outs() << " cryptid " << ec.cryptid << "\n";
7963 outs() << " pad " << ec.pad << "\n";
7966 static void PrintLinkerOptionCommand(MachO::linker_option_command lo,
7968 outs() << " cmd LC_LINKER_OPTION\n";
7969 outs() << " cmdsize " << lo.cmdsize;
7970 if (lo.cmdsize < sizeof(struct MachO::linker_option_command))
7971 outs() << " Incorrect size\n";
7974 outs() << " count " << lo.count << "\n";
7975 const char *string = Ptr + sizeof(struct MachO::linker_option_command);
7976 uint32_t left = lo.cmdsize - sizeof(struct MachO::linker_option_command);
7979 while (*string == '\0' && left > 0) {
7985 outs() << " string #" << i << " " << format("%.*s\n", left, string);
7986 uint32_t NullPos = StringRef(string, left).find('\0');
7987 uint32_t len = std::min(NullPos, left) + 1;
7993 outs() << " count " << lo.count << " does not match number of strings "
7997 static void PrintSubFrameworkCommand(MachO::sub_framework_command sub,
7999 outs() << " cmd LC_SUB_FRAMEWORK\n";
8000 outs() << " cmdsize " << sub.cmdsize;
8001 if (sub.cmdsize < sizeof(struct MachO::sub_framework_command))
8002 outs() << " Incorrect size\n";
8005 if (sub.umbrella < sub.cmdsize) {
8006 const char *P = Ptr + sub.umbrella;
8007 outs() << " umbrella " << P << " (offset " << sub.umbrella << ")\n";
8009 outs() << " umbrella ?(bad offset " << sub.umbrella << ")\n";
8013 static void PrintSubUmbrellaCommand(MachO::sub_umbrella_command sub,
8015 outs() << " cmd LC_SUB_UMBRELLA\n";
8016 outs() << " cmdsize " << sub.cmdsize;
8017 if (sub.cmdsize < sizeof(struct MachO::sub_umbrella_command))
8018 outs() << " Incorrect size\n";
8021 if (sub.sub_umbrella < sub.cmdsize) {
8022 const char *P = Ptr + sub.sub_umbrella;
8023 outs() << " sub_umbrella " << P << " (offset " << sub.sub_umbrella << ")\n";
8025 outs() << " sub_umbrella ?(bad offset " << sub.sub_umbrella << ")\n";
8029 static void PrintSubLibraryCommand(MachO::sub_library_command sub,
8031 outs() << " cmd LC_SUB_LIBRARY\n";
8032 outs() << " cmdsize " << sub.cmdsize;
8033 if (sub.cmdsize < sizeof(struct MachO::sub_library_command))
8034 outs() << " Incorrect size\n";
8037 if (sub.sub_library < sub.cmdsize) {
8038 const char *P = Ptr + sub.sub_library;
8039 outs() << " sub_library " << P << " (offset " << sub.sub_library << ")\n";
8041 outs() << " sub_library ?(bad offset " << sub.sub_library << ")\n";
8045 static void PrintSubClientCommand(MachO::sub_client_command sub,
8047 outs() << " cmd LC_SUB_CLIENT\n";
8048 outs() << " cmdsize " << sub.cmdsize;
8049 if (sub.cmdsize < sizeof(struct MachO::sub_client_command))
8050 outs() << " Incorrect size\n";
8053 if (sub.client < sub.cmdsize) {
8054 const char *P = Ptr + sub.client;
8055 outs() << " client " << P << " (offset " << sub.client << ")\n";
8057 outs() << " client ?(bad offset " << sub.client << ")\n";
8061 static void PrintRoutinesCommand(MachO::routines_command r) {
8062 outs() << " cmd LC_ROUTINES\n";
8063 outs() << " cmdsize " << r.cmdsize;
8064 if (r.cmdsize != sizeof(struct MachO::routines_command))
8065 outs() << " Incorrect size\n";
8068 outs() << " init_address " << format("0x%08" PRIx32, r.init_address) << "\n";
8069 outs() << " init_module " << r.init_module << "\n";
8070 outs() << " reserved1 " << r.reserved1 << "\n";
8071 outs() << " reserved2 " << r.reserved2 << "\n";
8072 outs() << " reserved3 " << r.reserved3 << "\n";
8073 outs() << " reserved4 " << r.reserved4 << "\n";
8074 outs() << " reserved5 " << r.reserved5 << "\n";
8075 outs() << " reserved6 " << r.reserved6 << "\n";
8078 static void PrintRoutinesCommand64(MachO::routines_command_64 r) {
8079 outs() << " cmd LC_ROUTINES_64\n";
8080 outs() << " cmdsize " << r.cmdsize;
8081 if (r.cmdsize != sizeof(struct MachO::routines_command_64))
8082 outs() << " Incorrect size\n";
8085 outs() << " init_address " << format("0x%016" PRIx64, r.init_address) << "\n";
8086 outs() << " init_module " << r.init_module << "\n";
8087 outs() << " reserved1 " << r.reserved1 << "\n";
8088 outs() << " reserved2 " << r.reserved2 << "\n";
8089 outs() << " reserved3 " << r.reserved3 << "\n";
8090 outs() << " reserved4 " << r.reserved4 << "\n";
8091 outs() << " reserved5 " << r.reserved5 << "\n";
8092 outs() << " reserved6 " << r.reserved6 << "\n";
8095 static void Print_x86_thread_state64_t(MachO::x86_thread_state64_t &cpu64) {
8096 outs() << " rax " << format("0x%016" PRIx64, cpu64.rax);
8097 outs() << " rbx " << format("0x%016" PRIx64, cpu64.rbx);
8098 outs() << " rcx " << format("0x%016" PRIx64, cpu64.rcx) << "\n";
8099 outs() << " rdx " << format("0x%016" PRIx64, cpu64.rdx);
8100 outs() << " rdi " << format("0x%016" PRIx64, cpu64.rdi);
8101 outs() << " rsi " << format("0x%016" PRIx64, cpu64.rsi) << "\n";
8102 outs() << " rbp " << format("0x%016" PRIx64, cpu64.rbp);
8103 outs() << " rsp " << format("0x%016" PRIx64, cpu64.rsp);
8104 outs() << " r8 " << format("0x%016" PRIx64, cpu64.r8) << "\n";
8105 outs() << " r9 " << format("0x%016" PRIx64, cpu64.r9);
8106 outs() << " r10 " << format("0x%016" PRIx64, cpu64.r10);
8107 outs() << " r11 " << format("0x%016" PRIx64, cpu64.r11) << "\n";
8108 outs() << " r12 " << format("0x%016" PRIx64, cpu64.r12);
8109 outs() << " r13 " << format("0x%016" PRIx64, cpu64.r13);
8110 outs() << " r14 " << format("0x%016" PRIx64, cpu64.r14) << "\n";
8111 outs() << " r15 " << format("0x%016" PRIx64, cpu64.r15);
8112 outs() << " rip " << format("0x%016" PRIx64, cpu64.rip) << "\n";
8113 outs() << "rflags " << format("0x%016" PRIx64, cpu64.rflags);
8114 outs() << " cs " << format("0x%016" PRIx64, cpu64.cs);
8115 outs() << " fs " << format("0x%016" PRIx64, cpu64.fs) << "\n";
8116 outs() << " gs " << format("0x%016" PRIx64, cpu64.gs) << "\n";
8119 static void Print_mmst_reg(MachO::mmst_reg_t &r) {
8121 outs() << "\t mmst_reg ";
8122 for (f = 0; f < 10; f++)
8123 outs() << format("%02" PRIx32, (r.mmst_reg[f] & 0xff)) << " ";
8125 outs() << "\t mmst_rsrv ";
8126 for (f = 0; f < 6; f++)
8127 outs() << format("%02" PRIx32, (r.mmst_rsrv[f] & 0xff)) << " ";
8131 static void Print_xmm_reg(MachO::xmm_reg_t &r) {
8133 outs() << "\t xmm_reg ";
8134 for (f = 0; f < 16; f++)
8135 outs() << format("%02" PRIx32, (r.xmm_reg[f] & 0xff)) << " ";
8139 static void Print_x86_float_state_t(MachO::x86_float_state64_t &fpu) {
8140 outs() << "\t fpu_reserved[0] " << fpu.fpu_reserved[0];
8141 outs() << " fpu_reserved[1] " << fpu.fpu_reserved[1] << "\n";
8142 outs() << "\t control: invalid " << fpu.fpu_fcw.invalid;
8143 outs() << " denorm " << fpu.fpu_fcw.denorm;
8144 outs() << " zdiv " << fpu.fpu_fcw.zdiv;
8145 outs() << " ovrfl " << fpu.fpu_fcw.ovrfl;
8146 outs() << " undfl " << fpu.fpu_fcw.undfl;
8147 outs() << " precis " << fpu.fpu_fcw.precis << "\n";
8148 outs() << "\t\t pc ";
8149 if (fpu.fpu_fcw.pc == MachO::x86_FP_PREC_24B)
8150 outs() << "FP_PREC_24B ";
8151 else if (fpu.fpu_fcw.pc == MachO::x86_FP_PREC_53B)
8152 outs() << "FP_PREC_53B ";
8153 else if (fpu.fpu_fcw.pc == MachO::x86_FP_PREC_64B)
8154 outs() << "FP_PREC_64B ";
8156 outs() << fpu.fpu_fcw.pc << " ";
8158 if (fpu.fpu_fcw.rc == MachO::x86_FP_RND_NEAR)
8159 outs() << "FP_RND_NEAR ";
8160 else if (fpu.fpu_fcw.rc == MachO::x86_FP_RND_DOWN)
8161 outs() << "FP_RND_DOWN ";
8162 else if (fpu.fpu_fcw.rc == MachO::x86_FP_RND_UP)
8163 outs() << "FP_RND_UP ";
8164 else if (fpu.fpu_fcw.rc == MachO::x86_FP_CHOP)
8165 outs() << "FP_CHOP ";
8167 outs() << "\t status: invalid " << fpu.fpu_fsw.invalid;
8168 outs() << " denorm " << fpu.fpu_fsw.denorm;
8169 outs() << " zdiv " << fpu.fpu_fsw.zdiv;
8170 outs() << " ovrfl " << fpu.fpu_fsw.ovrfl;
8171 outs() << " undfl " << fpu.fpu_fsw.undfl;
8172 outs() << " precis " << fpu.fpu_fsw.precis;
8173 outs() << " stkflt " << fpu.fpu_fsw.stkflt << "\n";
8174 outs() << "\t errsumm " << fpu.fpu_fsw.errsumm;
8175 outs() << " c0 " << fpu.fpu_fsw.c0;
8176 outs() << " c1 " << fpu.fpu_fsw.c1;
8177 outs() << " c2 " << fpu.fpu_fsw.c2;
8178 outs() << " tos " << fpu.fpu_fsw.tos;
8179 outs() << " c3 " << fpu.fpu_fsw.c3;
8180 outs() << " busy " << fpu.fpu_fsw.busy << "\n";
8181 outs() << "\t fpu_ftw " << format("0x%02" PRIx32, fpu.fpu_ftw);
8182 outs() << " fpu_rsrv1 " << format("0x%02" PRIx32, fpu.fpu_rsrv1);
8183 outs() << " fpu_fop " << format("0x%04" PRIx32, fpu.fpu_fop);
8184 outs() << " fpu_ip " << format("0x%08" PRIx32, fpu.fpu_ip) << "\n";
8185 outs() << "\t fpu_cs " << format("0x%04" PRIx32, fpu.fpu_cs);
8186 outs() << " fpu_rsrv2 " << format("0x%04" PRIx32, fpu.fpu_rsrv2);
8187 outs() << " fpu_dp " << format("0x%08" PRIx32, fpu.fpu_dp);
8188 outs() << " fpu_ds " << format("0x%04" PRIx32, fpu.fpu_ds) << "\n";
8189 outs() << "\t fpu_rsrv3 " << format("0x%04" PRIx32, fpu.fpu_rsrv3);
8190 outs() << " fpu_mxcsr " << format("0x%08" PRIx32, fpu.fpu_mxcsr);
8191 outs() << " fpu_mxcsrmask " << format("0x%08" PRIx32, fpu.fpu_mxcsrmask);
8193 outs() << "\t fpu_stmm0:\n";
8194 Print_mmst_reg(fpu.fpu_stmm0);
8195 outs() << "\t fpu_stmm1:\n";
8196 Print_mmst_reg(fpu.fpu_stmm1);
8197 outs() << "\t fpu_stmm2:\n";
8198 Print_mmst_reg(fpu.fpu_stmm2);
8199 outs() << "\t fpu_stmm3:\n";
8200 Print_mmst_reg(fpu.fpu_stmm3);
8201 outs() << "\t fpu_stmm4:\n";
8202 Print_mmst_reg(fpu.fpu_stmm4);
8203 outs() << "\t fpu_stmm5:\n";
8204 Print_mmst_reg(fpu.fpu_stmm5);
8205 outs() << "\t fpu_stmm6:\n";
8206 Print_mmst_reg(fpu.fpu_stmm6);
8207 outs() << "\t fpu_stmm7:\n";
8208 Print_mmst_reg(fpu.fpu_stmm7);
8209 outs() << "\t fpu_xmm0:\n";
8210 Print_xmm_reg(fpu.fpu_xmm0);
8211 outs() << "\t fpu_xmm1:\n";
8212 Print_xmm_reg(fpu.fpu_xmm1);
8213 outs() << "\t fpu_xmm2:\n";
8214 Print_xmm_reg(fpu.fpu_xmm2);
8215 outs() << "\t fpu_xmm3:\n";
8216 Print_xmm_reg(fpu.fpu_xmm3);
8217 outs() << "\t fpu_xmm4:\n";
8218 Print_xmm_reg(fpu.fpu_xmm4);
8219 outs() << "\t fpu_xmm5:\n";
8220 Print_xmm_reg(fpu.fpu_xmm5);
8221 outs() << "\t fpu_xmm6:\n";
8222 Print_xmm_reg(fpu.fpu_xmm6);
8223 outs() << "\t fpu_xmm7:\n";
8224 Print_xmm_reg(fpu.fpu_xmm7);
8225 outs() << "\t fpu_xmm8:\n";
8226 Print_xmm_reg(fpu.fpu_xmm8);
8227 outs() << "\t fpu_xmm9:\n";
8228 Print_xmm_reg(fpu.fpu_xmm9);
8229 outs() << "\t fpu_xmm10:\n";
8230 Print_xmm_reg(fpu.fpu_xmm10);
8231 outs() << "\t fpu_xmm11:\n";
8232 Print_xmm_reg(fpu.fpu_xmm11);
8233 outs() << "\t fpu_xmm12:\n";
8234 Print_xmm_reg(fpu.fpu_xmm12);
8235 outs() << "\t fpu_xmm13:\n";
8236 Print_xmm_reg(fpu.fpu_xmm13);
8237 outs() << "\t fpu_xmm14:\n";
8238 Print_xmm_reg(fpu.fpu_xmm14);
8239 outs() << "\t fpu_xmm15:\n";
8240 Print_xmm_reg(fpu.fpu_xmm15);
8241 outs() << "\t fpu_rsrv4:\n";
8242 for (uint32_t f = 0; f < 6; f++) {
8244 for (uint32_t g = 0; g < 16; g++)
8245 outs() << format("%02" PRIx32, fpu.fpu_rsrv4[f * g]) << " ";
8248 outs() << "\t fpu_reserved1 " << format("0x%08" PRIx32, fpu.fpu_reserved1);
8252 static void Print_x86_exception_state_t(MachO::x86_exception_state64_t &exc64) {
8253 outs() << "\t trapno " << format("0x%08" PRIx32, exc64.trapno);
8254 outs() << " err " << format("0x%08" PRIx32, exc64.err);
8255 outs() << " faultvaddr " << format("0x%016" PRIx64, exc64.faultvaddr) << "\n";
8258 static void PrintThreadCommand(MachO::thread_command t, const char *Ptr,
8259 bool isLittleEndian, uint32_t cputype) {
8260 if (t.cmd == MachO::LC_THREAD)
8261 outs() << " cmd LC_THREAD\n";
8262 else if (t.cmd == MachO::LC_UNIXTHREAD)
8263 outs() << " cmd LC_UNIXTHREAD\n";
8265 outs() << " cmd " << t.cmd << " (unknown)\n";
8266 outs() << " cmdsize " << t.cmdsize;
8267 if (t.cmdsize < sizeof(struct MachO::thread_command) + 2 * sizeof(uint32_t))
8268 outs() << " Incorrect size\n";
8272 const char *begin = Ptr + sizeof(struct MachO::thread_command);
8273 const char *end = Ptr + t.cmdsize;
8274 uint32_t flavor, count, left;
8275 if (cputype == MachO::CPU_TYPE_X86_64) {
8276 while (begin < end) {
8277 if (end - begin > (ptrdiff_t)sizeof(uint32_t)) {
8278 memcpy((char *)&flavor, begin, sizeof(uint32_t));
8279 begin += sizeof(uint32_t);
8284 if (isLittleEndian != sys::IsLittleEndianHost)
8285 sys::swapByteOrder(flavor);
8286 if (end - begin > (ptrdiff_t)sizeof(uint32_t)) {
8287 memcpy((char *)&count, begin, sizeof(uint32_t));
8288 begin += sizeof(uint32_t);
8293 if (isLittleEndian != sys::IsLittleEndianHost)
8294 sys::swapByteOrder(count);
8295 if (flavor == MachO::x86_THREAD_STATE64) {
8296 outs() << " flavor x86_THREAD_STATE64\n";
8297 if (count == MachO::x86_THREAD_STATE64_COUNT)
8298 outs() << " count x86_THREAD_STATE64_COUNT\n";
8300 outs() << " count " << count
8301 << " (not x86_THREAD_STATE64_COUNT)\n";
8302 MachO::x86_thread_state64_t cpu64;
8304 if (left >= sizeof(MachO::x86_thread_state64_t)) {
8305 memcpy(&cpu64, begin, sizeof(MachO::x86_thread_state64_t));
8306 begin += sizeof(MachO::x86_thread_state64_t);
8308 memset(&cpu64, '\0', sizeof(MachO::x86_thread_state64_t));
8309 memcpy(&cpu64, begin, left);
8312 if (isLittleEndian != sys::IsLittleEndianHost)
8314 Print_x86_thread_state64_t(cpu64);
8315 } else if (flavor == MachO::x86_THREAD_STATE) {
8316 outs() << " flavor x86_THREAD_STATE\n";
8317 if (count == MachO::x86_THREAD_STATE_COUNT)
8318 outs() << " count x86_THREAD_STATE_COUNT\n";
8320 outs() << " count " << count
8321 << " (not x86_THREAD_STATE_COUNT)\n";
8322 struct MachO::x86_thread_state_t ts;
8324 if (left >= sizeof(MachO::x86_thread_state_t)) {
8325 memcpy(&ts, begin, sizeof(MachO::x86_thread_state_t));
8326 begin += sizeof(MachO::x86_thread_state_t);
8328 memset(&ts, '\0', sizeof(MachO::x86_thread_state_t));
8329 memcpy(&ts, begin, left);
8332 if (isLittleEndian != sys::IsLittleEndianHost)
8334 if (ts.tsh.flavor == MachO::x86_THREAD_STATE64) {
8335 outs() << "\t tsh.flavor x86_THREAD_STATE64 ";
8336 if (ts.tsh.count == MachO::x86_THREAD_STATE64_COUNT)
8337 outs() << "tsh.count x86_THREAD_STATE64_COUNT\n";
8339 outs() << "tsh.count " << ts.tsh.count
8340 << " (not x86_THREAD_STATE64_COUNT\n";
8341 Print_x86_thread_state64_t(ts.uts.ts64);
8343 outs() << "\t tsh.flavor " << ts.tsh.flavor << " tsh.count "
8344 << ts.tsh.count << "\n";
8346 } else if (flavor == MachO::x86_FLOAT_STATE) {
8347 outs() << " flavor x86_FLOAT_STATE\n";
8348 if (count == MachO::x86_FLOAT_STATE_COUNT)
8349 outs() << " count x86_FLOAT_STATE_COUNT\n";
8351 outs() << " count " << count << " (not x86_FLOAT_STATE_COUNT)\n";
8352 struct MachO::x86_float_state_t fs;
8354 if (left >= sizeof(MachO::x86_float_state_t)) {
8355 memcpy(&fs, begin, sizeof(MachO::x86_float_state_t));
8356 begin += sizeof(MachO::x86_float_state_t);
8358 memset(&fs, '\0', sizeof(MachO::x86_float_state_t));
8359 memcpy(&fs, begin, left);
8362 if (isLittleEndian != sys::IsLittleEndianHost)
8364 if (fs.fsh.flavor == MachO::x86_FLOAT_STATE64) {
8365 outs() << "\t fsh.flavor x86_FLOAT_STATE64 ";
8366 if (fs.fsh.count == MachO::x86_FLOAT_STATE64_COUNT)
8367 outs() << "fsh.count x86_FLOAT_STATE64_COUNT\n";
8369 outs() << "fsh.count " << fs.fsh.count
8370 << " (not x86_FLOAT_STATE64_COUNT\n";
8371 Print_x86_float_state_t(fs.ufs.fs64);
8373 outs() << "\t fsh.flavor " << fs.fsh.flavor << " fsh.count "
8374 << fs.fsh.count << "\n";
8376 } else if (flavor == MachO::x86_EXCEPTION_STATE) {
8377 outs() << " flavor x86_EXCEPTION_STATE\n";
8378 if (count == MachO::x86_EXCEPTION_STATE_COUNT)
8379 outs() << " count x86_EXCEPTION_STATE_COUNT\n";
8381 outs() << " count " << count
8382 << " (not x86_EXCEPTION_STATE_COUNT)\n";
8383 struct MachO::x86_exception_state_t es;
8385 if (left >= sizeof(MachO::x86_exception_state_t)) {
8386 memcpy(&es, begin, sizeof(MachO::x86_exception_state_t));
8387 begin += sizeof(MachO::x86_exception_state_t);
8389 memset(&es, '\0', sizeof(MachO::x86_exception_state_t));
8390 memcpy(&es, begin, left);
8393 if (isLittleEndian != sys::IsLittleEndianHost)
8395 if (es.esh.flavor == MachO::x86_EXCEPTION_STATE64) {
8396 outs() << "\t esh.flavor x86_EXCEPTION_STATE64\n";
8397 if (es.esh.count == MachO::x86_EXCEPTION_STATE64_COUNT)
8398 outs() << "\t esh.count x86_EXCEPTION_STATE64_COUNT\n";
8400 outs() << "\t esh.count " << es.esh.count
8401 << " (not x86_EXCEPTION_STATE64_COUNT\n";
8402 Print_x86_exception_state_t(es.ues.es64);
8404 outs() << "\t esh.flavor " << es.esh.flavor << " esh.count "
8405 << es.esh.count << "\n";
8408 outs() << " flavor " << flavor << " (unknown)\n";
8409 outs() << " count " << count << "\n";
8410 outs() << " state (unknown)\n";
8411 begin += count * sizeof(uint32_t);
8415 while (begin < end) {
8416 if (end - begin > (ptrdiff_t)sizeof(uint32_t)) {
8417 memcpy((char *)&flavor, begin, sizeof(uint32_t));
8418 begin += sizeof(uint32_t);
8423 if (isLittleEndian != sys::IsLittleEndianHost)
8424 sys::swapByteOrder(flavor);
8425 if (end - begin > (ptrdiff_t)sizeof(uint32_t)) {
8426 memcpy((char *)&count, begin, sizeof(uint32_t));
8427 begin += sizeof(uint32_t);
8432 if (isLittleEndian != sys::IsLittleEndianHost)
8433 sys::swapByteOrder(count);
8434 outs() << " flavor " << flavor << "\n";
8435 outs() << " count " << count << "\n";
8436 outs() << " state (Unknown cputype/cpusubtype)\n";
8437 begin += count * sizeof(uint32_t);
8442 static void PrintDylibCommand(MachO::dylib_command dl, const char *Ptr) {
8443 if (dl.cmd == MachO::LC_ID_DYLIB)
8444 outs() << " cmd LC_ID_DYLIB\n";
8445 else if (dl.cmd == MachO::LC_LOAD_DYLIB)
8446 outs() << " cmd LC_LOAD_DYLIB\n";
8447 else if (dl.cmd == MachO::LC_LOAD_WEAK_DYLIB)
8448 outs() << " cmd LC_LOAD_WEAK_DYLIB\n";
8449 else if (dl.cmd == MachO::LC_REEXPORT_DYLIB)
8450 outs() << " cmd LC_REEXPORT_DYLIB\n";
8451 else if (dl.cmd == MachO::LC_LAZY_LOAD_DYLIB)
8452 outs() << " cmd LC_LAZY_LOAD_DYLIB\n";
8453 else if (dl.cmd == MachO::LC_LOAD_UPWARD_DYLIB)
8454 outs() << " cmd LC_LOAD_UPWARD_DYLIB\n";
8456 outs() << " cmd " << dl.cmd << " (unknown)\n";
8457 outs() << " cmdsize " << dl.cmdsize;
8458 if (dl.cmdsize < sizeof(struct MachO::dylib_command))
8459 outs() << " Incorrect size\n";
8462 if (dl.dylib.name < dl.cmdsize) {
8463 const char *P = (const char *)(Ptr) + dl.dylib.name;
8464 outs() << " name " << P << " (offset " << dl.dylib.name << ")\n";
8466 outs() << " name ?(bad offset " << dl.dylib.name << ")\n";
8468 outs() << " time stamp " << dl.dylib.timestamp << " ";
8469 time_t t = dl.dylib.timestamp;
8470 outs() << ctime(&t);
8471 outs() << " current version ";
8472 if (dl.dylib.current_version == 0xffffffff)
8475 outs() << ((dl.dylib.current_version >> 16) & 0xffff) << "."
8476 << ((dl.dylib.current_version >> 8) & 0xff) << "."
8477 << (dl.dylib.current_version & 0xff) << "\n";
8478 outs() << "compatibility version ";
8479 if (dl.dylib.compatibility_version == 0xffffffff)
8482 outs() << ((dl.dylib.compatibility_version >> 16) & 0xffff) << "."
8483 << ((dl.dylib.compatibility_version >> 8) & 0xff) << "."
8484 << (dl.dylib.compatibility_version & 0xff) << "\n";
8487 static void PrintLinkEditDataCommand(MachO::linkedit_data_command ld,
8488 uint32_t object_size) {
8489 if (ld.cmd == MachO::LC_CODE_SIGNATURE)
8490 outs() << " cmd LC_FUNCTION_STARTS\n";
8491 else if (ld.cmd == MachO::LC_SEGMENT_SPLIT_INFO)
8492 outs() << " cmd LC_SEGMENT_SPLIT_INFO\n";
8493 else if (ld.cmd == MachO::LC_FUNCTION_STARTS)
8494 outs() << " cmd LC_FUNCTION_STARTS\n";
8495 else if (ld.cmd == MachO::LC_DATA_IN_CODE)
8496 outs() << " cmd LC_DATA_IN_CODE\n";
8497 else if (ld.cmd == MachO::LC_DYLIB_CODE_SIGN_DRS)
8498 outs() << " cmd LC_DYLIB_CODE_SIGN_DRS\n";
8499 else if (ld.cmd == MachO::LC_LINKER_OPTIMIZATION_HINT)
8500 outs() << " cmd LC_LINKER_OPTIMIZATION_HINT\n";
8502 outs() << " cmd " << ld.cmd << " (?)\n";
8503 outs() << " cmdsize " << ld.cmdsize;
8504 if (ld.cmdsize != sizeof(struct MachO::linkedit_data_command))
8505 outs() << " Incorrect size\n";
8508 outs() << " dataoff " << ld.dataoff;
8509 if (ld.dataoff > object_size)
8510 outs() << " (past end of file)\n";
8513 outs() << " datasize " << ld.datasize;
8514 uint64_t big_size = ld.dataoff;
8515 big_size += ld.datasize;
8516 if (big_size > object_size)
8517 outs() << " (past end of file)\n";
8522 static void PrintLoadCommands(const MachOObjectFile *Obj, uint32_t filetype,
8523 uint32_t cputype, bool verbose) {
8524 StringRef Buf = Obj->getData();
8526 for (const auto &Command : Obj->load_commands()) {
8527 outs() << "Load command " << Index++ << "\n";
8528 if (Command.C.cmd == MachO::LC_SEGMENT) {
8529 MachO::segment_command SLC = Obj->getSegmentLoadCommand(Command);
8530 const char *sg_segname = SLC.segname;
8531 PrintSegmentCommand(SLC.cmd, SLC.cmdsize, SLC.segname, SLC.vmaddr,
8532 SLC.vmsize, SLC.fileoff, SLC.filesize, SLC.maxprot,
8533 SLC.initprot, SLC.nsects, SLC.flags, Buf.size(),
8535 for (unsigned j = 0; j < SLC.nsects; j++) {
8536 MachO::section S = Obj->getSection(Command, j);
8537 PrintSection(S.sectname, S.segname, S.addr, S.size, S.offset, S.align,
8538 S.reloff, S.nreloc, S.flags, S.reserved1, S.reserved2,
8539 SLC.cmd, sg_segname, filetype, Buf.size(), verbose);
8541 } else if (Command.C.cmd == MachO::LC_SEGMENT_64) {
8542 MachO::segment_command_64 SLC_64 = Obj->getSegment64LoadCommand(Command);
8543 const char *sg_segname = SLC_64.segname;
8544 PrintSegmentCommand(SLC_64.cmd, SLC_64.cmdsize, SLC_64.segname,
8545 SLC_64.vmaddr, SLC_64.vmsize, SLC_64.fileoff,
8546 SLC_64.filesize, SLC_64.maxprot, SLC_64.initprot,
8547 SLC_64.nsects, SLC_64.flags, Buf.size(), verbose);
8548 for (unsigned j = 0; j < SLC_64.nsects; j++) {
8549 MachO::section_64 S_64 = Obj->getSection64(Command, j);
8550 PrintSection(S_64.sectname, S_64.segname, S_64.addr, S_64.size,
8551 S_64.offset, S_64.align, S_64.reloff, S_64.nreloc,
8552 S_64.flags, S_64.reserved1, S_64.reserved2, SLC_64.cmd,
8553 sg_segname, filetype, Buf.size(), verbose);
8555 } else if (Command.C.cmd == MachO::LC_SYMTAB) {
8556 MachO::symtab_command Symtab = Obj->getSymtabLoadCommand();
8557 PrintSymtabLoadCommand(Symtab, Obj->is64Bit(), Buf.size());
8558 } else if (Command.C.cmd == MachO::LC_DYSYMTAB) {
8559 MachO::dysymtab_command Dysymtab = Obj->getDysymtabLoadCommand();
8560 MachO::symtab_command Symtab = Obj->getSymtabLoadCommand();
8561 PrintDysymtabLoadCommand(Dysymtab, Symtab.nsyms, Buf.size(),
8563 } else if (Command.C.cmd == MachO::LC_DYLD_INFO ||
8564 Command.C.cmd == MachO::LC_DYLD_INFO_ONLY) {
8565 MachO::dyld_info_command DyldInfo = Obj->getDyldInfoLoadCommand(Command);
8566 PrintDyldInfoLoadCommand(DyldInfo, Buf.size());
8567 } else if (Command.C.cmd == MachO::LC_LOAD_DYLINKER ||
8568 Command.C.cmd == MachO::LC_ID_DYLINKER ||
8569 Command.C.cmd == MachO::LC_DYLD_ENVIRONMENT) {
8570 MachO::dylinker_command Dyld = Obj->getDylinkerCommand(Command);
8571 PrintDyldLoadCommand(Dyld, Command.Ptr);
8572 } else if (Command.C.cmd == MachO::LC_UUID) {
8573 MachO::uuid_command Uuid = Obj->getUuidCommand(Command);
8574 PrintUuidLoadCommand(Uuid);
8575 } else if (Command.C.cmd == MachO::LC_RPATH) {
8576 MachO::rpath_command Rpath = Obj->getRpathCommand(Command);
8577 PrintRpathLoadCommand(Rpath, Command.Ptr);
8578 } else if (Command.C.cmd == MachO::LC_VERSION_MIN_MACOSX ||
8579 Command.C.cmd == MachO::LC_VERSION_MIN_IPHONEOS ||
8580 Command.C.cmd == MachO::LC_VERSION_MIN_TVOS ||
8581 Command.C.cmd == MachO::LC_VERSION_MIN_WATCHOS) {
8582 MachO::version_min_command Vd = Obj->getVersionMinLoadCommand(Command);
8583 PrintVersionMinLoadCommand(Vd);
8584 } else if (Command.C.cmd == MachO::LC_SOURCE_VERSION) {
8585 MachO::source_version_command Sd = Obj->getSourceVersionCommand(Command);
8586 PrintSourceVersionCommand(Sd);
8587 } else if (Command.C.cmd == MachO::LC_MAIN) {
8588 MachO::entry_point_command Ep = Obj->getEntryPointCommand(Command);
8589 PrintEntryPointCommand(Ep);
8590 } else if (Command.C.cmd == MachO::LC_ENCRYPTION_INFO) {
8591 MachO::encryption_info_command Ei =
8592 Obj->getEncryptionInfoCommand(Command);
8593 PrintEncryptionInfoCommand(Ei, Buf.size());
8594 } else if (Command.C.cmd == MachO::LC_ENCRYPTION_INFO_64) {
8595 MachO::encryption_info_command_64 Ei =
8596 Obj->getEncryptionInfoCommand64(Command);
8597 PrintEncryptionInfoCommand64(Ei, Buf.size());
8598 } else if (Command.C.cmd == MachO::LC_LINKER_OPTION) {
8599 MachO::linker_option_command Lo =
8600 Obj->getLinkerOptionLoadCommand(Command);
8601 PrintLinkerOptionCommand(Lo, Command.Ptr);
8602 } else if (Command.C.cmd == MachO::LC_SUB_FRAMEWORK) {
8603 MachO::sub_framework_command Sf = Obj->getSubFrameworkCommand(Command);
8604 PrintSubFrameworkCommand(Sf, Command.Ptr);
8605 } else if (Command.C.cmd == MachO::LC_SUB_UMBRELLA) {
8606 MachO::sub_umbrella_command Sf = Obj->getSubUmbrellaCommand(Command);
8607 PrintSubUmbrellaCommand(Sf, Command.Ptr);
8608 } else if (Command.C.cmd == MachO::LC_SUB_LIBRARY) {
8609 MachO::sub_library_command Sl = Obj->getSubLibraryCommand(Command);
8610 PrintSubLibraryCommand(Sl, Command.Ptr);
8611 } else if (Command.C.cmd == MachO::LC_SUB_CLIENT) {
8612 MachO::sub_client_command Sc = Obj->getSubClientCommand(Command);
8613 PrintSubClientCommand(Sc, Command.Ptr);
8614 } else if (Command.C.cmd == MachO::LC_ROUTINES) {
8615 MachO::routines_command Rc = Obj->getRoutinesCommand(Command);
8616 PrintRoutinesCommand(Rc);
8617 } else if (Command.C.cmd == MachO::LC_ROUTINES_64) {
8618 MachO::routines_command_64 Rc = Obj->getRoutinesCommand64(Command);
8619 PrintRoutinesCommand64(Rc);
8620 } else if (Command.C.cmd == MachO::LC_THREAD ||
8621 Command.C.cmd == MachO::LC_UNIXTHREAD) {
8622 MachO::thread_command Tc = Obj->getThreadCommand(Command);
8623 PrintThreadCommand(Tc, Command.Ptr, Obj->isLittleEndian(), cputype);
8624 } else if (Command.C.cmd == MachO::LC_LOAD_DYLIB ||
8625 Command.C.cmd == MachO::LC_ID_DYLIB ||
8626 Command.C.cmd == MachO::LC_LOAD_WEAK_DYLIB ||
8627 Command.C.cmd == MachO::LC_REEXPORT_DYLIB ||
8628 Command.C.cmd == MachO::LC_LAZY_LOAD_DYLIB ||
8629 Command.C.cmd == MachO::LC_LOAD_UPWARD_DYLIB) {
8630 MachO::dylib_command Dl = Obj->getDylibIDLoadCommand(Command);
8631 PrintDylibCommand(Dl, Command.Ptr);
8632 } else if (Command.C.cmd == MachO::LC_CODE_SIGNATURE ||
8633 Command.C.cmd == MachO::LC_SEGMENT_SPLIT_INFO ||
8634 Command.C.cmd == MachO::LC_FUNCTION_STARTS ||
8635 Command.C.cmd == MachO::LC_DATA_IN_CODE ||
8636 Command.C.cmd == MachO::LC_DYLIB_CODE_SIGN_DRS ||
8637 Command.C.cmd == MachO::LC_LINKER_OPTIMIZATION_HINT) {
8638 MachO::linkedit_data_command Ld =
8639 Obj->getLinkeditDataLoadCommand(Command);
8640 PrintLinkEditDataCommand(Ld, Buf.size());
8642 outs() << " cmd ?(" << format("0x%08" PRIx32, Command.C.cmd)
8644 outs() << " cmdsize " << Command.C.cmdsize << "\n";
8645 // TODO: get and print the raw bytes of the load command.
8647 // TODO: print all the other kinds of load commands.
8651 static void PrintMachHeader(const MachOObjectFile *Obj, bool verbose) {
8652 if (Obj->is64Bit()) {
8653 MachO::mach_header_64 H_64;
8654 H_64 = Obj->getHeader64();
8655 PrintMachHeader(H_64.magic, H_64.cputype, H_64.cpusubtype, H_64.filetype,
8656 H_64.ncmds, H_64.sizeofcmds, H_64.flags, verbose);
8658 MachO::mach_header H;
8659 H = Obj->getHeader();
8660 PrintMachHeader(H.magic, H.cputype, H.cpusubtype, H.filetype, H.ncmds,
8661 H.sizeofcmds, H.flags, verbose);
8665 void llvm::printMachOFileHeader(const object::ObjectFile *Obj) {
8666 const MachOObjectFile *file = dyn_cast<const MachOObjectFile>(Obj);
8667 PrintMachHeader(file, !NonVerbose);
8670 void llvm::printMachOLoadCommands(const object::ObjectFile *Obj) {
8671 const MachOObjectFile *file = dyn_cast<const MachOObjectFile>(Obj);
8672 uint32_t filetype = 0;
8673 uint32_t cputype = 0;
8674 if (file->is64Bit()) {
8675 MachO::mach_header_64 H_64;
8676 H_64 = file->getHeader64();
8677 filetype = H_64.filetype;
8678 cputype = H_64.cputype;
8680 MachO::mach_header H;
8681 H = file->getHeader();
8682 filetype = H.filetype;
8683 cputype = H.cputype;
8685 PrintLoadCommands(file, filetype, cputype, !NonVerbose);
8688 //===----------------------------------------------------------------------===//
8689 // export trie dumping
8690 //===----------------------------------------------------------------------===//
8692 void llvm::printMachOExportsTrie(const object::MachOObjectFile *Obj) {
8693 for (const llvm::object::ExportEntry &Entry : Obj->exports()) {
8694 uint64_t Flags = Entry.flags();
8695 bool ReExport = (Flags & MachO::EXPORT_SYMBOL_FLAGS_REEXPORT);
8696 bool WeakDef = (Flags & MachO::EXPORT_SYMBOL_FLAGS_WEAK_DEFINITION);
8697 bool ThreadLocal = ((Flags & MachO::EXPORT_SYMBOL_FLAGS_KIND_MASK) ==
8698 MachO::EXPORT_SYMBOL_FLAGS_KIND_THREAD_LOCAL);
8699 bool Abs = ((Flags & MachO::EXPORT_SYMBOL_FLAGS_KIND_MASK) ==
8700 MachO::EXPORT_SYMBOL_FLAGS_KIND_ABSOLUTE);
8701 bool Resolver = (Flags & MachO::EXPORT_SYMBOL_FLAGS_STUB_AND_RESOLVER);
8703 outs() << "[re-export] ";
8705 outs() << format("0x%08llX ",
8706 Entry.address()); // FIXME:add in base address
8707 outs() << Entry.name();
8708 if (WeakDef || ThreadLocal || Resolver || Abs) {
8709 bool NeedsComma = false;
8712 outs() << "weak_def";
8718 outs() << "per-thread";
8724 outs() << "absolute";
8730 outs() << format("resolver=0x%08llX", Entry.other());
8736 StringRef DylibName = "unknown";
8737 int Ordinal = Entry.other() - 1;
8738 Obj->getLibraryShortNameByIndex(Ordinal, DylibName);
8739 if (Entry.otherName().empty())
8740 outs() << " (from " << DylibName << ")";
8742 outs() << " (" << Entry.otherName() << " from " << DylibName << ")";
8748 //===----------------------------------------------------------------------===//
8749 // rebase table dumping
8750 //===----------------------------------------------------------------------===//
8755 SegInfo(const object::MachOObjectFile *Obj);
8757 StringRef segmentName(uint32_t SegIndex);
8758 StringRef sectionName(uint32_t SegIndex, uint64_t SegOffset);
8759 uint64_t address(uint32_t SegIndex, uint64_t SegOffset);
8760 bool isValidSegIndexAndOffset(uint32_t SegIndex, uint64_t SegOffset);
8763 struct SectionInfo {
8766 StringRef SectionName;
8767 StringRef SegmentName;
8768 uint64_t OffsetInSegment;
8769 uint64_t SegmentStartAddress;
8770 uint32_t SegmentIndex;
8772 const SectionInfo &findSection(uint32_t SegIndex, uint64_t SegOffset);
8773 SmallVector<SectionInfo, 32> Sections;
8777 SegInfo::SegInfo(const object::MachOObjectFile *Obj) {
8778 // Build table of sections so segIndex/offset pairs can be translated.
8779 uint32_t CurSegIndex = Obj->hasPageZeroSegment() ? 1 : 0;
8780 StringRef CurSegName;
8781 uint64_t CurSegAddress;
8782 for (const SectionRef &Section : Obj->sections()) {
8784 error(Section.getName(Info.SectionName));
8785 Info.Address = Section.getAddress();
8786 Info.Size = Section.getSize();
8788 Obj->getSectionFinalSegmentName(Section.getRawDataRefImpl());
8789 if (!Info.SegmentName.equals(CurSegName)) {
8791 CurSegName = Info.SegmentName;
8792 CurSegAddress = Info.Address;
8794 Info.SegmentIndex = CurSegIndex - 1;
8795 Info.OffsetInSegment = Info.Address - CurSegAddress;
8796 Info.SegmentStartAddress = CurSegAddress;
8797 Sections.push_back(Info);
8801 StringRef SegInfo::segmentName(uint32_t SegIndex) {
8802 for (const SectionInfo &SI : Sections) {
8803 if (SI.SegmentIndex == SegIndex)
8804 return SI.SegmentName;
8806 llvm_unreachable("invalid segIndex");
8809 bool SegInfo::isValidSegIndexAndOffset(uint32_t SegIndex,
8810 uint64_t OffsetInSeg) {
8811 for (const SectionInfo &SI : Sections) {
8812 if (SI.SegmentIndex != SegIndex)
8814 if (SI.OffsetInSegment > OffsetInSeg)
8816 if (OffsetInSeg >= (SI.OffsetInSegment + SI.Size))
8823 const SegInfo::SectionInfo &SegInfo::findSection(uint32_t SegIndex,
8824 uint64_t OffsetInSeg) {
8825 for (const SectionInfo &SI : Sections) {
8826 if (SI.SegmentIndex != SegIndex)
8828 if (SI.OffsetInSegment > OffsetInSeg)
8830 if (OffsetInSeg >= (SI.OffsetInSegment + SI.Size))
8834 llvm_unreachable("segIndex and offset not in any section");
8837 StringRef SegInfo::sectionName(uint32_t SegIndex, uint64_t OffsetInSeg) {
8838 return findSection(SegIndex, OffsetInSeg).SectionName;
8841 uint64_t SegInfo::address(uint32_t SegIndex, uint64_t OffsetInSeg) {
8842 const SectionInfo &SI = findSection(SegIndex, OffsetInSeg);
8843 return SI.SegmentStartAddress + OffsetInSeg;
8846 void llvm::printMachORebaseTable(const object::MachOObjectFile *Obj) {
8847 // Build table of sections so names can used in final output.
8848 SegInfo sectionTable(Obj);
8850 outs() << "segment section address type\n";
8851 for (const llvm::object::MachORebaseEntry &Entry : Obj->rebaseTable()) {
8852 uint32_t SegIndex = Entry.segmentIndex();
8853 uint64_t OffsetInSeg = Entry.segmentOffset();
8854 StringRef SegmentName = sectionTable.segmentName(SegIndex);
8855 StringRef SectionName = sectionTable.sectionName(SegIndex, OffsetInSeg);
8856 uint64_t Address = sectionTable.address(SegIndex, OffsetInSeg);
8858 // Table lines look like: __DATA __nl_symbol_ptr 0x0000F00C pointer
8859 outs() << format("%-8s %-18s 0x%08" PRIX64 " %s\n",
8860 SegmentName.str().c_str(), SectionName.str().c_str(),
8861 Address, Entry.typeName().str().c_str());
8865 static StringRef ordinalName(const object::MachOObjectFile *Obj, int Ordinal) {
8866 StringRef DylibName;
8868 case MachO::BIND_SPECIAL_DYLIB_SELF:
8869 return "this-image";
8870 case MachO::BIND_SPECIAL_DYLIB_MAIN_EXECUTABLE:
8871 return "main-executable";
8872 case MachO::BIND_SPECIAL_DYLIB_FLAT_LOOKUP:
8873 return "flat-namespace";
8876 std::error_code EC =
8877 Obj->getLibraryShortNameByIndex(Ordinal - 1, DylibName);
8879 return "<<bad library ordinal>>";
8883 return "<<unknown special ordinal>>";
8886 //===----------------------------------------------------------------------===//
8887 // bind table dumping
8888 //===----------------------------------------------------------------------===//
8890 void llvm::printMachOBindTable(const object::MachOObjectFile *Obj) {
8891 // Build table of sections so names can used in final output.
8892 SegInfo sectionTable(Obj);
8894 outs() << "segment section address type "
8895 "addend dylib symbol\n";
8896 for (const llvm::object::MachOBindEntry &Entry : Obj->bindTable()) {
8897 uint32_t SegIndex = Entry.segmentIndex();
8898 uint64_t OffsetInSeg = Entry.segmentOffset();
8899 StringRef SegmentName = sectionTable.segmentName(SegIndex);
8900 StringRef SectionName = sectionTable.sectionName(SegIndex, OffsetInSeg);
8901 uint64_t Address = sectionTable.address(SegIndex, OffsetInSeg);
8903 // Table lines look like:
8904 // __DATA __got 0x00012010 pointer 0 libSystem ___stack_chk_guard
8906 if (Entry.flags() & MachO::BIND_SYMBOL_FLAGS_WEAK_IMPORT)
8907 Attr = " (weak_import)";
8908 outs() << left_justify(SegmentName, 8) << " "
8909 << left_justify(SectionName, 18) << " "
8910 << format_hex(Address, 10, true) << " "
8911 << left_justify(Entry.typeName(), 8) << " "
8912 << format_decimal(Entry.addend(), 8) << " "
8913 << left_justify(ordinalName(Obj, Entry.ordinal()), 16) << " "
8914 << Entry.symbolName() << Attr << "\n";
8918 //===----------------------------------------------------------------------===//
8919 // lazy bind table dumping
8920 //===----------------------------------------------------------------------===//
8922 void llvm::printMachOLazyBindTable(const object::MachOObjectFile *Obj) {
8923 // Build table of sections so names can used in final output.
8924 SegInfo sectionTable(Obj);
8926 outs() << "segment section address "
8928 for (const llvm::object::MachOBindEntry &Entry : Obj->lazyBindTable()) {
8929 uint32_t SegIndex = Entry.segmentIndex();
8930 uint64_t OffsetInSeg = Entry.segmentOffset();
8931 StringRef SegmentName = sectionTable.segmentName(SegIndex);
8932 StringRef SectionName = sectionTable.sectionName(SegIndex, OffsetInSeg);
8933 uint64_t Address = sectionTable.address(SegIndex, OffsetInSeg);
8935 // Table lines look like:
8936 // __DATA __got 0x00012010 libSystem ___stack_chk_guard
8937 outs() << left_justify(SegmentName, 8) << " "
8938 << left_justify(SectionName, 18) << " "
8939 << format_hex(Address, 10, true) << " "
8940 << left_justify(ordinalName(Obj, Entry.ordinal()), 16) << " "
8941 << Entry.symbolName() << "\n";
8945 //===----------------------------------------------------------------------===//
8946 // weak bind table dumping
8947 //===----------------------------------------------------------------------===//
8949 void llvm::printMachOWeakBindTable(const object::MachOObjectFile *Obj) {
8950 // Build table of sections so names can used in final output.
8951 SegInfo sectionTable(Obj);
8953 outs() << "segment section address "
8954 "type addend symbol\n";
8955 for (const llvm::object::MachOBindEntry &Entry : Obj->weakBindTable()) {
8956 // Strong symbols don't have a location to update.
8957 if (Entry.flags() & MachO::BIND_SYMBOL_FLAGS_NON_WEAK_DEFINITION) {
8958 outs() << " strong "
8959 << Entry.symbolName() << "\n";
8962 uint32_t SegIndex = Entry.segmentIndex();
8963 uint64_t OffsetInSeg = Entry.segmentOffset();
8964 StringRef SegmentName = sectionTable.segmentName(SegIndex);
8965 StringRef SectionName = sectionTable.sectionName(SegIndex, OffsetInSeg);
8966 uint64_t Address = sectionTable.address(SegIndex, OffsetInSeg);
8968 // Table lines look like:
8969 // __DATA __data 0x00001000 pointer 0 _foo
8970 outs() << left_justify(SegmentName, 8) << " "
8971 << left_justify(SectionName, 18) << " "
8972 << format_hex(Address, 10, true) << " "
8973 << left_justify(Entry.typeName(), 8) << " "
8974 << format_decimal(Entry.addend(), 8) << " " << Entry.symbolName()
8979 // get_dyld_bind_info_symbolname() is used for disassembly and passed an
8980 // address, ReferenceValue, in the Mach-O file and looks in the dyld bind
8981 // information for that address. If the address is found its binding symbol
8982 // name is returned. If not nullptr is returned.
8983 static const char *get_dyld_bind_info_symbolname(uint64_t ReferenceValue,
8984 struct DisassembleInfo *info) {
8985 if (info->bindtable == nullptr) {
8986 info->bindtable = new (BindTable);
8987 SegInfo sectionTable(info->O);
8988 for (const llvm::object::MachOBindEntry &Entry : info->O->bindTable()) {
8989 uint32_t SegIndex = Entry.segmentIndex();
8990 uint64_t OffsetInSeg = Entry.segmentOffset();
8991 if (!sectionTable.isValidSegIndexAndOffset(SegIndex, OffsetInSeg))
8993 uint64_t Address = sectionTable.address(SegIndex, OffsetInSeg);
8994 const char *SymbolName = nullptr;
8995 StringRef name = Entry.symbolName();
8997 SymbolName = name.data();
8998 info->bindtable->push_back(std::make_pair(Address, SymbolName));
9001 for (bind_table_iterator BI = info->bindtable->begin(),
9002 BE = info->bindtable->end();
9004 uint64_t Address = BI->first;
9005 if (ReferenceValue == Address) {
9006 const char *SymbolName = BI->second;