1 //===-- MachODump.cpp - Object file dumping utility for llvm --------------===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // This file implements the MachO-specific dumper for llvm-objdump.
12 //===----------------------------------------------------------------------===//
14 #include "llvm-objdump.h"
15 #include "llvm-c/Disassembler.h"
16 #include "llvm/ADT/STLExtras.h"
17 #include "llvm/ADT/StringExtras.h"
18 #include "llvm/ADT/Triple.h"
19 #include "llvm/Config/config.h"
20 #include "llvm/DebugInfo/DIContext.h"
21 #include "llvm/DebugInfo/DWARF/DWARFContext.h"
22 #include "llvm/MC/MCAsmInfo.h"
23 #include "llvm/MC/MCContext.h"
24 #include "llvm/MC/MCDisassembler.h"
25 #include "llvm/MC/MCInst.h"
26 #include "llvm/MC/MCInstPrinter.h"
27 #include "llvm/MC/MCInstrDesc.h"
28 #include "llvm/MC/MCInstrInfo.h"
29 #include "llvm/MC/MCRegisterInfo.h"
30 #include "llvm/MC/MCSubtargetInfo.h"
31 #include "llvm/Object/MachO.h"
32 #include "llvm/Object/MachOUniversal.h"
33 #include "llvm/Support/Casting.h"
34 #include "llvm/Support/CommandLine.h"
35 #include "llvm/Support/Debug.h"
36 #include "llvm/Support/Endian.h"
37 #include "llvm/Support/Format.h"
38 #include "llvm/Support/FormattedStream.h"
39 #include "llvm/Support/GraphWriter.h"
40 #include "llvm/Support/LEB128.h"
41 #include "llvm/Support/MachO.h"
42 #include "llvm/Support/MemoryBuffer.h"
43 #include "llvm/Support/TargetRegistry.h"
44 #include "llvm/Support/TargetSelect.h"
45 #include "llvm/Support/raw_ostream.h"
48 #include <system_error>
55 using namespace object;
59 cl::desc("Print line information from debug info if available"));
61 static cl::opt<std::string> DSYMFile("dsym",
62 cl::desc("Use .dSYM file for debug info"));
64 static cl::opt<bool> FullLeadingAddr("full-leading-addr",
65 cl::desc("Print full leading address"));
67 static cl::opt<bool> NoLeadingAddr("no-leading-addr",
68 cl::desc("Print no leading address"));
70 cl::opt<bool> llvm::UniversalHeaders("universal-headers",
71 cl::desc("Print Mach-O universal headers "
72 "(requires -macho)"));
75 llvm::ArchiveHeaders("archive-headers",
76 cl::desc("Print archive headers for Mach-O archives "
77 "(requires -macho)"));
80 ArchiveMemberOffsets("archive-member-offsets",
81 cl::desc("Print the offset to each archive member for "
82 "Mach-O archives (requires -macho and "
83 "-archive-headers)"));
86 llvm::IndirectSymbols("indirect-symbols",
87 cl::desc("Print indirect symbol table for Mach-O "
88 "objects (requires -macho)"));
91 llvm::DataInCode("data-in-code",
92 cl::desc("Print the data in code table for Mach-O objects "
93 "(requires -macho)"));
96 llvm::LinkOptHints("link-opt-hints",
97 cl::desc("Print the linker optimization hints for "
98 "Mach-O objects (requires -macho)"));
101 llvm::InfoPlist("info-plist",
102 cl::desc("Print the info plist section as strings for "
103 "Mach-O objects (requires -macho)"));
106 llvm::DylibsUsed("dylibs-used",
107 cl::desc("Print the shared libraries used for linked "
108 "Mach-O files (requires -macho)"));
111 llvm::DylibId("dylib-id",
112 cl::desc("Print the shared library's id for the dylib Mach-O "
113 "file (requires -macho)"));
116 llvm::NonVerbose("non-verbose",
117 cl::desc("Print the info for Mach-O objects in "
118 "non-verbose or numeric form (requires -macho)"));
121 llvm::ObjcMetaData("objc-meta-data",
122 cl::desc("Print the Objective-C runtime meta data for "
123 "Mach-O files (requires -macho)"));
125 cl::opt<std::string> llvm::DisSymName(
127 cl::desc("disassemble just this symbol's instructions (requires -macho"));
129 static cl::opt<bool> NoSymbolicOperands(
130 "no-symbolic-operands",
131 cl::desc("do not symbolic operands when disassembling (requires -macho)"));
133 static cl::list<std::string>
134 ArchFlags("arch", cl::desc("architecture(s) from a Mach-O file to dump"),
137 bool ArchAll = false;
139 static std::string ThumbTripleName;
141 static const Target *GetTarget(const MachOObjectFile *MachOObj,
142 const char **McpuDefault,
143 const Target **ThumbTarget) {
144 // Figure out the target triple.
145 if (TripleName.empty()) {
146 llvm::Triple TT("unknown-unknown-unknown");
147 llvm::Triple ThumbTriple = Triple();
148 TT = MachOObj->getArch(McpuDefault, &ThumbTriple);
149 TripleName = TT.str();
150 ThumbTripleName = ThumbTriple.str();
153 // Get the target specific parser.
155 const Target *TheTarget = TargetRegistry::lookupTarget(TripleName, Error);
156 if (TheTarget && ThumbTripleName.empty())
159 *ThumbTarget = TargetRegistry::lookupTarget(ThumbTripleName, Error);
163 errs() << "llvm-objdump: error: unable to get target for '";
165 errs() << TripleName;
167 errs() << ThumbTripleName;
168 errs() << "', see --version and --triple.\n";
172 struct SymbolSorter {
173 bool operator()(const SymbolRef &A, const SymbolRef &B) {
174 uint64_t AAddr = (A.getType() != SymbolRef::ST_Function) ? 0 : A.getValue();
175 uint64_t BAddr = (B.getType() != SymbolRef::ST_Function) ? 0 : B.getValue();
176 return AAddr < BAddr;
180 // Types for the storted data in code table that is built before disassembly
181 // and the predicate function to sort them.
182 typedef std::pair<uint64_t, DiceRef> DiceTableEntry;
183 typedef std::vector<DiceTableEntry> DiceTable;
184 typedef DiceTable::iterator dice_table_iterator;
186 // This is used to search for a data in code table entry for the PC being
187 // disassembled. The j parameter has the PC in j.first. A single data in code
188 // table entry can cover many bytes for each of its Kind's. So if the offset,
189 // aka the i.first value, of the data in code table entry plus its Length
190 // covers the PC being searched for this will return true. If not it will
192 static bool compareDiceTableEntries(const DiceTableEntry &i,
193 const DiceTableEntry &j) {
195 i.second.getLength(Length);
197 return j.first >= i.first && j.first < i.first + Length;
200 static uint64_t DumpDataInCode(const uint8_t *bytes, uint64_t Length,
201 unsigned short Kind) {
202 uint32_t Value, Size = 1;
206 case MachO::DICE_KIND_DATA:
209 dumpBytes(makeArrayRef(bytes, 4), outs());
210 Value = bytes[3] << 24 | bytes[2] << 16 | bytes[1] << 8 | bytes[0];
211 outs() << "\t.long " << Value;
213 } else if (Length >= 2) {
215 dumpBytes(makeArrayRef(bytes, 2), outs());
216 Value = bytes[1] << 8 | bytes[0];
217 outs() << "\t.short " << Value;
221 dumpBytes(makeArrayRef(bytes, 2), outs());
223 outs() << "\t.byte " << Value;
226 if (Kind == MachO::DICE_KIND_DATA)
227 outs() << "\t@ KIND_DATA\n";
229 outs() << "\t@ data in code kind = " << Kind << "\n";
231 case MachO::DICE_KIND_JUMP_TABLE8:
233 dumpBytes(makeArrayRef(bytes, 1), outs());
235 outs() << "\t.byte " << format("%3u", Value) << "\t@ KIND_JUMP_TABLE8\n";
238 case MachO::DICE_KIND_JUMP_TABLE16:
240 dumpBytes(makeArrayRef(bytes, 2), outs());
241 Value = bytes[1] << 8 | bytes[0];
242 outs() << "\t.short " << format("%5u", Value & 0xffff)
243 << "\t@ KIND_JUMP_TABLE16\n";
246 case MachO::DICE_KIND_JUMP_TABLE32:
247 case MachO::DICE_KIND_ABS_JUMP_TABLE32:
249 dumpBytes(makeArrayRef(bytes, 4), outs());
250 Value = bytes[3] << 24 | bytes[2] << 16 | bytes[1] << 8 | bytes[0];
251 outs() << "\t.long " << Value;
252 if (Kind == MachO::DICE_KIND_JUMP_TABLE32)
253 outs() << "\t@ KIND_JUMP_TABLE32\n";
255 outs() << "\t@ KIND_ABS_JUMP_TABLE32\n";
262 static void getSectionsAndSymbols(MachOObjectFile *MachOObj,
263 std::vector<SectionRef> &Sections,
264 std::vector<SymbolRef> &Symbols,
265 SmallVectorImpl<uint64_t> &FoundFns,
266 uint64_t &BaseSegmentAddress) {
267 for (const SymbolRef &Symbol : MachOObj->symbols()) {
268 ErrorOr<StringRef> SymName = Symbol.getName();
269 if (std::error_code EC = SymName.getError())
270 report_fatal_error(EC.message());
271 if (!SymName->startswith("ltmp"))
272 Symbols.push_back(Symbol);
275 for (const SectionRef &Section : MachOObj->sections()) {
277 Section.getName(SectName);
278 Sections.push_back(Section);
281 bool BaseSegmentAddressSet = false;
282 for (const auto &Command : MachOObj->load_commands()) {
283 if (Command.C.cmd == MachO::LC_FUNCTION_STARTS) {
284 // We found a function starts segment, parse the addresses for later
286 MachO::linkedit_data_command LLC =
287 MachOObj->getLinkeditDataLoadCommand(Command);
289 MachOObj->ReadULEB128s(LLC.dataoff, FoundFns);
290 } else if (Command.C.cmd == MachO::LC_SEGMENT) {
291 MachO::segment_command SLC = MachOObj->getSegmentLoadCommand(Command);
292 StringRef SegName = SLC.segname;
293 if (!BaseSegmentAddressSet && SegName != "__PAGEZERO") {
294 BaseSegmentAddressSet = true;
295 BaseSegmentAddress = SLC.vmaddr;
301 static void PrintIndirectSymbolTable(MachOObjectFile *O, bool verbose,
302 uint32_t n, uint32_t count,
303 uint32_t stride, uint64_t addr) {
304 MachO::dysymtab_command Dysymtab = O->getDysymtabLoadCommand();
305 uint32_t nindirectsyms = Dysymtab.nindirectsyms;
306 if (n > nindirectsyms)
307 outs() << " (entries start past the end of the indirect symbol "
308 "table) (reserved1 field greater than the table size)";
309 else if (n + count > nindirectsyms)
310 outs() << " (entries extends past the end of the indirect symbol "
313 uint32_t cputype = O->getHeader().cputype;
314 if (cputype & MachO::CPU_ARCH_ABI64)
315 outs() << "address index";
317 outs() << "address index";
322 for (uint32_t j = 0; j < count && n + j < nindirectsyms; j++) {
323 if (cputype & MachO::CPU_ARCH_ABI64)
324 outs() << format("0x%016" PRIx64, addr + j * stride) << " ";
326 outs() << format("0x%08" PRIx32, addr + j * stride) << " ";
327 MachO::dysymtab_command Dysymtab = O->getDysymtabLoadCommand();
328 uint32_t indirect_symbol = O->getIndirectSymbolTableEntry(Dysymtab, n + j);
329 if (indirect_symbol == MachO::INDIRECT_SYMBOL_LOCAL) {
333 if (indirect_symbol ==
334 (MachO::INDIRECT_SYMBOL_LOCAL | MachO::INDIRECT_SYMBOL_ABS)) {
335 outs() << "LOCAL ABSOLUTE\n";
338 if (indirect_symbol == MachO::INDIRECT_SYMBOL_ABS) {
339 outs() << "ABSOLUTE\n";
342 outs() << format("%5u ", indirect_symbol);
344 MachO::symtab_command Symtab = O->getSymtabLoadCommand();
345 if (indirect_symbol < Symtab.nsyms) {
346 symbol_iterator Sym = O->getSymbolByIndex(indirect_symbol);
347 SymbolRef Symbol = *Sym;
348 ErrorOr<StringRef> SymName = Symbol.getName();
349 if (std::error_code EC = SymName.getError())
350 report_fatal_error(EC.message());
360 static void PrintIndirectSymbols(MachOObjectFile *O, bool verbose) {
361 for (const auto &Load : O->load_commands()) {
362 if (Load.C.cmd == MachO::LC_SEGMENT_64) {
363 MachO::segment_command_64 Seg = O->getSegment64LoadCommand(Load);
364 for (unsigned J = 0; J < Seg.nsects; ++J) {
365 MachO::section_64 Sec = O->getSection64(Load, J);
366 uint32_t section_type = Sec.flags & MachO::SECTION_TYPE;
367 if (section_type == MachO::S_NON_LAZY_SYMBOL_POINTERS ||
368 section_type == MachO::S_LAZY_SYMBOL_POINTERS ||
369 section_type == MachO::S_LAZY_DYLIB_SYMBOL_POINTERS ||
370 section_type == MachO::S_THREAD_LOCAL_VARIABLE_POINTERS ||
371 section_type == MachO::S_SYMBOL_STUBS) {
373 if (section_type == MachO::S_SYMBOL_STUBS)
374 stride = Sec.reserved2;
378 outs() << "Can't print indirect symbols for (" << Sec.segname << ","
379 << Sec.sectname << ") "
380 << "(size of stubs in reserved2 field is zero)\n";
383 uint32_t count = Sec.size / stride;
384 outs() << "Indirect symbols for (" << Sec.segname << ","
385 << Sec.sectname << ") " << count << " entries";
386 uint32_t n = Sec.reserved1;
387 PrintIndirectSymbolTable(O, verbose, n, count, stride, Sec.addr);
390 } else if (Load.C.cmd == MachO::LC_SEGMENT) {
391 MachO::segment_command Seg = O->getSegmentLoadCommand(Load);
392 for (unsigned J = 0; J < Seg.nsects; ++J) {
393 MachO::section Sec = O->getSection(Load, J);
394 uint32_t section_type = Sec.flags & MachO::SECTION_TYPE;
395 if (section_type == MachO::S_NON_LAZY_SYMBOL_POINTERS ||
396 section_type == MachO::S_LAZY_SYMBOL_POINTERS ||
397 section_type == MachO::S_LAZY_DYLIB_SYMBOL_POINTERS ||
398 section_type == MachO::S_THREAD_LOCAL_VARIABLE_POINTERS ||
399 section_type == MachO::S_SYMBOL_STUBS) {
401 if (section_type == MachO::S_SYMBOL_STUBS)
402 stride = Sec.reserved2;
406 outs() << "Can't print indirect symbols for (" << Sec.segname << ","
407 << Sec.sectname << ") "
408 << "(size of stubs in reserved2 field is zero)\n";
411 uint32_t count = Sec.size / stride;
412 outs() << "Indirect symbols for (" << Sec.segname << ","
413 << Sec.sectname << ") " << count << " entries";
414 uint32_t n = Sec.reserved1;
415 PrintIndirectSymbolTable(O, verbose, n, count, stride, Sec.addr);
422 static void PrintDataInCodeTable(MachOObjectFile *O, bool verbose) {
423 MachO::linkedit_data_command DIC = O->getDataInCodeLoadCommand();
424 uint32_t nentries = DIC.datasize / sizeof(struct MachO::data_in_code_entry);
425 outs() << "Data in code table (" << nentries << " entries)\n";
426 outs() << "offset length kind\n";
427 for (dice_iterator DI = O->begin_dices(), DE = O->end_dices(); DI != DE;
430 DI->getOffset(Offset);
431 outs() << format("0x%08" PRIx32, Offset) << " ";
433 DI->getLength(Length);
434 outs() << format("%6u", Length) << " ";
439 case MachO::DICE_KIND_DATA:
442 case MachO::DICE_KIND_JUMP_TABLE8:
443 outs() << "JUMP_TABLE8";
445 case MachO::DICE_KIND_JUMP_TABLE16:
446 outs() << "JUMP_TABLE16";
448 case MachO::DICE_KIND_JUMP_TABLE32:
449 outs() << "JUMP_TABLE32";
451 case MachO::DICE_KIND_ABS_JUMP_TABLE32:
452 outs() << "ABS_JUMP_TABLE32";
455 outs() << format("0x%04" PRIx32, Kind);
459 outs() << format("0x%04" PRIx32, Kind);
464 static void PrintLinkOptHints(MachOObjectFile *O) {
465 MachO::linkedit_data_command LohLC = O->getLinkOptHintsLoadCommand();
466 const char *loh = O->getData().substr(LohLC.dataoff, 1).data();
467 uint32_t nloh = LohLC.datasize;
468 outs() << "Linker optimiztion hints (" << nloh << " total bytes)\n";
469 for (uint32_t i = 0; i < nloh;) {
471 uint64_t identifier = decodeULEB128((const uint8_t *)(loh + i), &n);
473 outs() << " identifier " << identifier << " ";
476 switch (identifier) {
478 outs() << "AdrpAdrp\n";
481 outs() << "AdrpLdr\n";
484 outs() << "AdrpAddLdr\n";
487 outs() << "AdrpLdrGotLdr\n";
490 outs() << "AdrpAddStr\n";
493 outs() << "AdrpLdrGotStr\n";
496 outs() << "AdrpAdd\n";
499 outs() << "AdrpLdrGot\n";
502 outs() << "Unknown identifier value\n";
505 uint64_t narguments = decodeULEB128((const uint8_t *)(loh + i), &n);
507 outs() << " narguments " << narguments << "\n";
511 for (uint32_t j = 0; j < narguments; j++) {
512 uint64_t value = decodeULEB128((const uint8_t *)(loh + i), &n);
514 outs() << "\tvalue " << format("0x%" PRIx64, value) << "\n";
521 static void PrintDylibs(MachOObjectFile *O, bool JustId) {
523 for (const auto &Load : O->load_commands()) {
524 if ((JustId && Load.C.cmd == MachO::LC_ID_DYLIB) ||
525 (!JustId && (Load.C.cmd == MachO::LC_ID_DYLIB ||
526 Load.C.cmd == MachO::LC_LOAD_DYLIB ||
527 Load.C.cmd == MachO::LC_LOAD_WEAK_DYLIB ||
528 Load.C.cmd == MachO::LC_REEXPORT_DYLIB ||
529 Load.C.cmd == MachO::LC_LAZY_LOAD_DYLIB ||
530 Load.C.cmd == MachO::LC_LOAD_UPWARD_DYLIB))) {
531 MachO::dylib_command dl = O->getDylibIDLoadCommand(Load);
532 if (dl.dylib.name < dl.cmdsize) {
533 const char *p = (const char *)(Load.Ptr) + dl.dylib.name;
538 outs() << " (compatibility version "
539 << ((dl.dylib.compatibility_version >> 16) & 0xffff) << "."
540 << ((dl.dylib.compatibility_version >> 8) & 0xff) << "."
541 << (dl.dylib.compatibility_version & 0xff) << ",";
542 outs() << " current version "
543 << ((dl.dylib.current_version >> 16) & 0xffff) << "."
544 << ((dl.dylib.current_version >> 8) & 0xff) << "."
545 << (dl.dylib.current_version & 0xff) << ")\n";
548 outs() << "\tBad offset (" << dl.dylib.name << ") for name of ";
549 if (Load.C.cmd == MachO::LC_ID_DYLIB)
550 outs() << "LC_ID_DYLIB ";
551 else if (Load.C.cmd == MachO::LC_LOAD_DYLIB)
552 outs() << "LC_LOAD_DYLIB ";
553 else if (Load.C.cmd == MachO::LC_LOAD_WEAK_DYLIB)
554 outs() << "LC_LOAD_WEAK_DYLIB ";
555 else if (Load.C.cmd == MachO::LC_LAZY_LOAD_DYLIB)
556 outs() << "LC_LAZY_LOAD_DYLIB ";
557 else if (Load.C.cmd == MachO::LC_REEXPORT_DYLIB)
558 outs() << "LC_REEXPORT_DYLIB ";
559 else if (Load.C.cmd == MachO::LC_LOAD_UPWARD_DYLIB)
560 outs() << "LC_LOAD_UPWARD_DYLIB ";
563 outs() << "command " << Index++ << "\n";
569 typedef DenseMap<uint64_t, StringRef> SymbolAddressMap;
571 static void CreateSymbolAddressMap(MachOObjectFile *O,
572 SymbolAddressMap *AddrMap) {
573 // Create a map of symbol addresses to symbol names.
574 for (const SymbolRef &Symbol : O->symbols()) {
575 SymbolRef::Type ST = Symbol.getType();
576 if (ST == SymbolRef::ST_Function || ST == SymbolRef::ST_Data ||
577 ST == SymbolRef::ST_Other) {
578 uint64_t Address = Symbol.getValue();
579 ErrorOr<StringRef> SymNameOrErr = Symbol.getName();
580 if (std::error_code EC = SymNameOrErr.getError())
581 report_fatal_error(EC.message());
582 StringRef SymName = *SymNameOrErr;
583 if (!SymName.startswith(".objc"))
584 (*AddrMap)[Address] = SymName;
589 // GuessSymbolName is passed the address of what might be a symbol and a
590 // pointer to the SymbolAddressMap. It returns the name of a symbol
591 // with that address or nullptr if no symbol is found with that address.
592 static const char *GuessSymbolName(uint64_t value, SymbolAddressMap *AddrMap) {
593 const char *SymbolName = nullptr;
594 // A DenseMap can't lookup up some values.
595 if (value != 0xffffffffffffffffULL && value != 0xfffffffffffffffeULL) {
596 StringRef name = AddrMap->lookup(value);
598 SymbolName = name.data();
603 static void DumpCstringChar(const char c) {
607 outs().write_escaped(p);
610 static void DumpCstringSection(MachOObjectFile *O, const char *sect,
611 uint32_t sect_size, uint64_t sect_addr,
612 bool print_addresses) {
613 for (uint32_t i = 0; i < sect_size; i++) {
614 if (print_addresses) {
616 outs() << format("%016" PRIx64, sect_addr + i) << " ";
618 outs() << format("%08" PRIx64, sect_addr + i) << " ";
620 for (; i < sect_size && sect[i] != '\0'; i++)
621 DumpCstringChar(sect[i]);
622 if (i < sect_size && sect[i] == '\0')
627 static void DumpLiteral4(uint32_t l, float f) {
628 outs() << format("0x%08" PRIx32, l);
629 if ((l & 0x7f800000) != 0x7f800000)
630 outs() << format(" (%.16e)\n", f);
633 outs() << " (+Infinity)\n";
634 else if (l == 0xff800000)
635 outs() << " (-Infinity)\n";
636 else if ((l & 0x00400000) == 0x00400000)
637 outs() << " (non-signaling Not-a-Number)\n";
639 outs() << " (signaling Not-a-Number)\n";
643 static void DumpLiteral4Section(MachOObjectFile *O, const char *sect,
644 uint32_t sect_size, uint64_t sect_addr,
645 bool print_addresses) {
646 for (uint32_t i = 0; i < sect_size; i += sizeof(float)) {
647 if (print_addresses) {
649 outs() << format("%016" PRIx64, sect_addr + i) << " ";
651 outs() << format("%08" PRIx64, sect_addr + i) << " ";
654 memcpy(&f, sect + i, sizeof(float));
655 if (O->isLittleEndian() != sys::IsLittleEndianHost)
656 sys::swapByteOrder(f);
658 memcpy(&l, sect + i, sizeof(uint32_t));
659 if (O->isLittleEndian() != sys::IsLittleEndianHost)
660 sys::swapByteOrder(l);
665 static void DumpLiteral8(MachOObjectFile *O, uint32_t l0, uint32_t l1,
667 outs() << format("0x%08" PRIx32, l0) << " " << format("0x%08" PRIx32, l1);
669 if (O->isLittleEndian()) {
676 // Hi is the high word, so this is equivalent to if(isfinite(d))
677 if ((Hi & 0x7ff00000) != 0x7ff00000)
678 outs() << format(" (%.16e)\n", d);
680 if (Hi == 0x7ff00000 && Lo == 0)
681 outs() << " (+Infinity)\n";
682 else if (Hi == 0xfff00000 && Lo == 0)
683 outs() << " (-Infinity)\n";
684 else if ((Hi & 0x00080000) == 0x00080000)
685 outs() << " (non-signaling Not-a-Number)\n";
687 outs() << " (signaling Not-a-Number)\n";
691 static void DumpLiteral8Section(MachOObjectFile *O, const char *sect,
692 uint32_t sect_size, uint64_t sect_addr,
693 bool print_addresses) {
694 for (uint32_t i = 0; i < sect_size; i += sizeof(double)) {
695 if (print_addresses) {
697 outs() << format("%016" PRIx64, sect_addr + i) << " ";
699 outs() << format("%08" PRIx64, sect_addr + i) << " ";
702 memcpy(&d, sect + i, sizeof(double));
703 if (O->isLittleEndian() != sys::IsLittleEndianHost)
704 sys::swapByteOrder(d);
706 memcpy(&l0, sect + i, sizeof(uint32_t));
707 memcpy(&l1, sect + i + sizeof(uint32_t), sizeof(uint32_t));
708 if (O->isLittleEndian() != sys::IsLittleEndianHost) {
709 sys::swapByteOrder(l0);
710 sys::swapByteOrder(l1);
712 DumpLiteral8(O, l0, l1, d);
716 static void DumpLiteral16(uint32_t l0, uint32_t l1, uint32_t l2, uint32_t l3) {
717 outs() << format("0x%08" PRIx32, l0) << " ";
718 outs() << format("0x%08" PRIx32, l1) << " ";
719 outs() << format("0x%08" PRIx32, l2) << " ";
720 outs() << format("0x%08" PRIx32, l3) << "\n";
723 static void DumpLiteral16Section(MachOObjectFile *O, const char *sect,
724 uint32_t sect_size, uint64_t sect_addr,
725 bool print_addresses) {
726 for (uint32_t i = 0; i < sect_size; i += 16) {
727 if (print_addresses) {
729 outs() << format("%016" PRIx64, sect_addr + i) << " ";
731 outs() << format("%08" PRIx64, sect_addr + i) << " ";
733 uint32_t l0, l1, l2, l3;
734 memcpy(&l0, sect + i, sizeof(uint32_t));
735 memcpy(&l1, sect + i + sizeof(uint32_t), sizeof(uint32_t));
736 memcpy(&l2, sect + i + 2 * sizeof(uint32_t), sizeof(uint32_t));
737 memcpy(&l3, sect + i + 3 * sizeof(uint32_t), sizeof(uint32_t));
738 if (O->isLittleEndian() != sys::IsLittleEndianHost) {
739 sys::swapByteOrder(l0);
740 sys::swapByteOrder(l1);
741 sys::swapByteOrder(l2);
742 sys::swapByteOrder(l3);
744 DumpLiteral16(l0, l1, l2, l3);
748 static void DumpLiteralPointerSection(MachOObjectFile *O,
749 const SectionRef &Section,
750 const char *sect, uint32_t sect_size,
752 bool print_addresses) {
753 // Collect the literal sections in this Mach-O file.
754 std::vector<SectionRef> LiteralSections;
755 for (const SectionRef &Section : O->sections()) {
756 DataRefImpl Ref = Section.getRawDataRefImpl();
757 uint32_t section_type;
759 const MachO::section_64 Sec = O->getSection64(Ref);
760 section_type = Sec.flags & MachO::SECTION_TYPE;
762 const MachO::section Sec = O->getSection(Ref);
763 section_type = Sec.flags & MachO::SECTION_TYPE;
765 if (section_type == MachO::S_CSTRING_LITERALS ||
766 section_type == MachO::S_4BYTE_LITERALS ||
767 section_type == MachO::S_8BYTE_LITERALS ||
768 section_type == MachO::S_16BYTE_LITERALS)
769 LiteralSections.push_back(Section);
772 // Set the size of the literal pointer.
773 uint32_t lp_size = O->is64Bit() ? 8 : 4;
775 // Collect the external relocation symbols for the literal pointers.
776 std::vector<std::pair<uint64_t, SymbolRef>> Relocs;
777 for (const RelocationRef &Reloc : Section.relocations()) {
779 MachO::any_relocation_info RE;
780 bool isExtern = false;
781 Rel = Reloc.getRawDataRefImpl();
782 RE = O->getRelocation(Rel);
783 isExtern = O->getPlainRelocationExternal(RE);
785 uint64_t RelocOffset = Reloc.getOffset();
786 symbol_iterator RelocSym = Reloc.getSymbol();
787 Relocs.push_back(std::make_pair(RelocOffset, *RelocSym));
790 array_pod_sort(Relocs.begin(), Relocs.end());
792 // Dump each literal pointer.
793 for (uint32_t i = 0; i < sect_size; i += lp_size) {
794 if (print_addresses) {
796 outs() << format("%016" PRIx64, sect_addr + i) << " ";
798 outs() << format("%08" PRIx64, sect_addr + i) << " ";
802 memcpy(&lp, sect + i, sizeof(uint64_t));
803 if (O->isLittleEndian() != sys::IsLittleEndianHost)
804 sys::swapByteOrder(lp);
807 memcpy(&li, sect + i, sizeof(uint32_t));
808 if (O->isLittleEndian() != sys::IsLittleEndianHost)
809 sys::swapByteOrder(li);
813 // First look for an external relocation entry for this literal pointer.
814 auto Reloc = std::find_if(
815 Relocs.begin(), Relocs.end(),
816 [&](const std::pair<uint64_t, SymbolRef> &P) { return P.first == i; });
817 if (Reloc != Relocs.end()) {
818 symbol_iterator RelocSym = Reloc->second;
819 ErrorOr<StringRef> SymName = RelocSym->getName();
820 if (std::error_code EC = SymName.getError())
821 report_fatal_error(EC.message());
822 outs() << "external relocation entry for symbol:" << *SymName << "\n";
826 // For local references see what the section the literal pointer points to.
827 auto Sect = std::find_if(LiteralSections.begin(), LiteralSections.end(),
828 [&](const SectionRef &R) {
829 return lp >= R.getAddress() &&
830 lp < R.getAddress() + R.getSize();
832 if (Sect == LiteralSections.end()) {
833 outs() << format("0x%" PRIx64, lp) << " (not in a literal section)\n";
837 uint64_t SectAddress = Sect->getAddress();
838 uint64_t SectSize = Sect->getSize();
841 Sect->getName(SectName);
842 DataRefImpl Ref = Sect->getRawDataRefImpl();
843 StringRef SegmentName = O->getSectionFinalSegmentName(Ref);
844 outs() << SegmentName << ":" << SectName << ":";
846 uint32_t section_type;
848 const MachO::section_64 Sec = O->getSection64(Ref);
849 section_type = Sec.flags & MachO::SECTION_TYPE;
851 const MachO::section Sec = O->getSection(Ref);
852 section_type = Sec.flags & MachO::SECTION_TYPE;
856 Sect->getContents(BytesStr);
857 const char *Contents = reinterpret_cast<const char *>(BytesStr.data());
859 switch (section_type) {
860 case MachO::S_CSTRING_LITERALS:
861 for (uint64_t i = lp - SectAddress; i < SectSize && Contents[i] != '\0';
863 DumpCstringChar(Contents[i]);
867 case MachO::S_4BYTE_LITERALS:
869 memcpy(&f, Contents + (lp - SectAddress), sizeof(float));
871 memcpy(&l, Contents + (lp - SectAddress), sizeof(uint32_t));
872 if (O->isLittleEndian() != sys::IsLittleEndianHost) {
873 sys::swapByteOrder(f);
874 sys::swapByteOrder(l);
878 case MachO::S_8BYTE_LITERALS: {
880 memcpy(&d, Contents + (lp - SectAddress), sizeof(double));
882 memcpy(&l0, Contents + (lp - SectAddress), sizeof(uint32_t));
883 memcpy(&l1, Contents + (lp - SectAddress) + sizeof(uint32_t),
885 if (O->isLittleEndian() != sys::IsLittleEndianHost) {
886 sys::swapByteOrder(f);
887 sys::swapByteOrder(l0);
888 sys::swapByteOrder(l1);
890 DumpLiteral8(O, l0, l1, d);
893 case MachO::S_16BYTE_LITERALS: {
894 uint32_t l0, l1, l2, l3;
895 memcpy(&l0, Contents + (lp - SectAddress), sizeof(uint32_t));
896 memcpy(&l1, Contents + (lp - SectAddress) + sizeof(uint32_t),
898 memcpy(&l2, Contents + (lp - SectAddress) + 2 * sizeof(uint32_t),
900 memcpy(&l3, Contents + (lp - SectAddress) + 3 * sizeof(uint32_t),
902 if (O->isLittleEndian() != sys::IsLittleEndianHost) {
903 sys::swapByteOrder(l0);
904 sys::swapByteOrder(l1);
905 sys::swapByteOrder(l2);
906 sys::swapByteOrder(l3);
908 DumpLiteral16(l0, l1, l2, l3);
915 static void DumpInitTermPointerSection(MachOObjectFile *O, const char *sect,
916 uint32_t sect_size, uint64_t sect_addr,
917 SymbolAddressMap *AddrMap,
921 stride = sizeof(uint64_t);
923 stride = sizeof(uint32_t);
924 for (uint32_t i = 0; i < sect_size; i += stride) {
925 const char *SymbolName = nullptr;
927 outs() << format("0x%016" PRIx64, sect_addr + i * stride) << " ";
928 uint64_t pointer_value;
929 memcpy(&pointer_value, sect + i, stride);
930 if (O->isLittleEndian() != sys::IsLittleEndianHost)
931 sys::swapByteOrder(pointer_value);
932 outs() << format("0x%016" PRIx64, pointer_value);
934 SymbolName = GuessSymbolName(pointer_value, AddrMap);
936 outs() << format("0x%08" PRIx64, sect_addr + i * stride) << " ";
937 uint32_t pointer_value;
938 memcpy(&pointer_value, sect + i, stride);
939 if (O->isLittleEndian() != sys::IsLittleEndianHost)
940 sys::swapByteOrder(pointer_value);
941 outs() << format("0x%08" PRIx32, pointer_value);
943 SymbolName = GuessSymbolName(pointer_value, AddrMap);
946 outs() << " " << SymbolName;
951 static void DumpRawSectionContents(MachOObjectFile *O, const char *sect,
952 uint32_t size, uint64_t addr) {
953 uint32_t cputype = O->getHeader().cputype;
954 if (cputype == MachO::CPU_TYPE_I386 || cputype == MachO::CPU_TYPE_X86_64) {
956 for (uint32_t i = 0; i < size; i += j, addr += j) {
958 outs() << format("%016" PRIx64, addr) << "\t";
960 outs() << format("%08" PRIx64, addr) << "\t";
961 for (j = 0; j < 16 && i + j < size; j++) {
962 uint8_t byte_word = *(sect + i + j);
963 outs() << format("%02" PRIx32, (uint32_t)byte_word) << " ";
969 for (uint32_t i = 0; i < size; i += j, addr += j) {
971 outs() << format("%016" PRIx64, addr) << "\t";
973 outs() << format("%08" PRIx64, sect) << "\t";
974 for (j = 0; j < 4 * sizeof(int32_t) && i + j < size;
975 j += sizeof(int32_t)) {
976 if (i + j + sizeof(int32_t) < size) {
978 memcpy(&long_word, sect + i + j, sizeof(int32_t));
979 if (O->isLittleEndian() != sys::IsLittleEndianHost)
980 sys::swapByteOrder(long_word);
981 outs() << format("%08" PRIx32, long_word) << " ";
983 for (uint32_t k = 0; i + j + k < size; k++) {
984 uint8_t byte_word = *(sect + i + j);
985 outs() << format("%02" PRIx32, (uint32_t)byte_word) << " ";
994 static void DisassembleMachO(StringRef Filename, MachOObjectFile *MachOOF,
995 StringRef DisSegName, StringRef DisSectName);
996 static void DumpProtocolSection(MachOObjectFile *O, const char *sect,
997 uint32_t size, uint32_t addr);
999 static void DumpSectionContents(StringRef Filename, MachOObjectFile *O,
1001 SymbolAddressMap AddrMap;
1003 CreateSymbolAddressMap(O, &AddrMap);
1005 for (unsigned i = 0; i < FilterSections.size(); ++i) {
1006 StringRef DumpSection = FilterSections[i];
1007 std::pair<StringRef, StringRef> DumpSegSectName;
1008 DumpSegSectName = DumpSection.split(',');
1009 StringRef DumpSegName, DumpSectName;
1010 if (DumpSegSectName.second.size()) {
1011 DumpSegName = DumpSegSectName.first;
1012 DumpSectName = DumpSegSectName.second;
1015 DumpSectName = DumpSegSectName.first;
1017 for (const SectionRef &Section : O->sections()) {
1019 Section.getName(SectName);
1020 DataRefImpl Ref = Section.getRawDataRefImpl();
1021 StringRef SegName = O->getSectionFinalSegmentName(Ref);
1022 if ((DumpSegName.empty() || SegName == DumpSegName) &&
1023 (SectName == DumpSectName)) {
1025 uint32_t section_flags;
1027 const MachO::section_64 Sec = O->getSection64(Ref);
1028 section_flags = Sec.flags;
1031 const MachO::section Sec = O->getSection(Ref);
1032 section_flags = Sec.flags;
1034 uint32_t section_type = section_flags & MachO::SECTION_TYPE;
1037 Section.getContents(BytesStr);
1038 const char *sect = reinterpret_cast<const char *>(BytesStr.data());
1039 uint32_t sect_size = BytesStr.size();
1040 uint64_t sect_addr = Section.getAddress();
1042 outs() << "Contents of (" << SegName << "," << SectName
1046 if ((section_flags & MachO::S_ATTR_PURE_INSTRUCTIONS) ||
1047 (section_flags & MachO::S_ATTR_SOME_INSTRUCTIONS)) {
1048 DisassembleMachO(Filename, O, SegName, SectName);
1051 if (SegName == "__TEXT" && SectName == "__info_plist") {
1055 if (SegName == "__OBJC" && SectName == "__protocol") {
1056 DumpProtocolSection(O, sect, sect_size, sect_addr);
1059 switch (section_type) {
1060 case MachO::S_REGULAR:
1061 DumpRawSectionContents(O, sect, sect_size, sect_addr);
1063 case MachO::S_ZEROFILL:
1064 outs() << "zerofill section and has no contents in the file\n";
1066 case MachO::S_CSTRING_LITERALS:
1067 DumpCstringSection(O, sect, sect_size, sect_addr, !NoLeadingAddr);
1069 case MachO::S_4BYTE_LITERALS:
1070 DumpLiteral4Section(O, sect, sect_size, sect_addr, !NoLeadingAddr);
1072 case MachO::S_8BYTE_LITERALS:
1073 DumpLiteral8Section(O, sect, sect_size, sect_addr, !NoLeadingAddr);
1075 case MachO::S_16BYTE_LITERALS:
1076 DumpLiteral16Section(O, sect, sect_size, sect_addr, !NoLeadingAddr);
1078 case MachO::S_LITERAL_POINTERS:
1079 DumpLiteralPointerSection(O, Section, sect, sect_size, sect_addr,
1082 case MachO::S_MOD_INIT_FUNC_POINTERS:
1083 case MachO::S_MOD_TERM_FUNC_POINTERS:
1084 DumpInitTermPointerSection(O, sect, sect_size, sect_addr, &AddrMap,
1088 outs() << "Unknown section type ("
1089 << format("0x%08" PRIx32, section_type) << ")\n";
1090 DumpRawSectionContents(O, sect, sect_size, sect_addr);
1094 if (section_type == MachO::S_ZEROFILL)
1095 outs() << "zerofill section and has no contents in the file\n";
1097 DumpRawSectionContents(O, sect, sect_size, sect_addr);
1104 static void DumpInfoPlistSectionContents(StringRef Filename,
1105 MachOObjectFile *O) {
1106 for (const SectionRef &Section : O->sections()) {
1108 Section.getName(SectName);
1109 DataRefImpl Ref = Section.getRawDataRefImpl();
1110 StringRef SegName = O->getSectionFinalSegmentName(Ref);
1111 if (SegName == "__TEXT" && SectName == "__info_plist") {
1112 outs() << "Contents of (" << SegName << "," << SectName << ") section\n";
1114 Section.getContents(BytesStr);
1115 const char *sect = reinterpret_cast<const char *>(BytesStr.data());
1122 // checkMachOAndArchFlags() checks to see if the ObjectFile is a Mach-O file
1123 // and if it is and there is a list of architecture flags is specified then
1124 // check to make sure this Mach-O file is one of those architectures or all
1125 // architectures were specified. If not then an error is generated and this
1126 // routine returns false. Else it returns true.
1127 static bool checkMachOAndArchFlags(ObjectFile *O, StringRef Filename) {
1128 if (isa<MachOObjectFile>(O) && !ArchAll && ArchFlags.size() != 0) {
1129 MachOObjectFile *MachO = dyn_cast<MachOObjectFile>(O);
1130 bool ArchFound = false;
1131 MachO::mach_header H;
1132 MachO::mach_header_64 H_64;
1134 if (MachO->is64Bit()) {
1135 H_64 = MachO->MachOObjectFile::getHeader64();
1136 T = MachOObjectFile::getArch(H_64.cputype, H_64.cpusubtype);
1138 H = MachO->MachOObjectFile::getHeader();
1139 T = MachOObjectFile::getArch(H.cputype, H.cpusubtype);
1142 for (i = 0; i < ArchFlags.size(); ++i) {
1143 if (ArchFlags[i] == T.getArchName())
1148 errs() << "llvm-objdump: file: " + Filename + " does not contain "
1149 << "architecture: " + ArchFlags[i] + "\n";
1156 static void printObjcMetaData(MachOObjectFile *O, bool verbose);
1158 // ProcessMachO() is passed a single opened Mach-O file, which may be an
1159 // archive member and or in a slice of a universal file. It prints the
1160 // the file name and header info and then processes it according to the
1161 // command line options.
1162 static void ProcessMachO(StringRef Filename, MachOObjectFile *MachOOF,
1163 StringRef ArchiveMemberName = StringRef(),
1164 StringRef ArchitectureName = StringRef()) {
1165 // If we are doing some processing here on the Mach-O file print the header
1166 // info. And don't print it otherwise like in the case of printing the
1167 // UniversalHeaders or ArchiveHeaders.
1168 if (Disassemble || PrivateHeaders || ExportsTrie || Rebase || Bind ||
1169 LazyBind || WeakBind || IndirectSymbols || DataInCode || LinkOptHints ||
1170 DylibsUsed || DylibId || ObjcMetaData || (FilterSections.size() != 0)) {
1172 if (!ArchiveMemberName.empty())
1173 outs() << '(' << ArchiveMemberName << ')';
1174 if (!ArchitectureName.empty())
1175 outs() << " (architecture " << ArchitectureName << ")";
1180 DisassembleMachO(Filename, MachOOF, "__TEXT", "__text");
1181 if (IndirectSymbols)
1182 PrintIndirectSymbols(MachOOF, !NonVerbose);
1184 PrintDataInCodeTable(MachOOF, !NonVerbose);
1186 PrintLinkOptHints(MachOOF);
1188 PrintRelocations(MachOOF);
1190 PrintSectionHeaders(MachOOF);
1191 if (SectionContents)
1192 PrintSectionContents(MachOOF);
1193 if (FilterSections.size() != 0)
1194 DumpSectionContents(Filename, MachOOF, !NonVerbose);
1196 DumpInfoPlistSectionContents(Filename, MachOOF);
1198 PrintDylibs(MachOOF, false);
1200 PrintDylibs(MachOOF, true);
1202 PrintSymbolTable(MachOOF);
1204 printMachOUnwindInfo(MachOOF);
1206 printMachOFileHeader(MachOOF);
1208 printObjcMetaData(MachOOF, !NonVerbose);
1210 printExportsTrie(MachOOF);
1212 printRebaseTable(MachOOF);
1214 printBindTable(MachOOF);
1216 printLazyBindTable(MachOOF);
1218 printWeakBindTable(MachOOF);
1221 // printUnknownCPUType() helps print_fat_headers for unknown CPU's.
1222 static void printUnknownCPUType(uint32_t cputype, uint32_t cpusubtype) {
1223 outs() << " cputype (" << cputype << ")\n";
1224 outs() << " cpusubtype (" << cpusubtype << ")\n";
1227 // printCPUType() helps print_fat_headers by printing the cputype and
1228 // pusubtype (symbolically for the one's it knows about).
1229 static void printCPUType(uint32_t cputype, uint32_t cpusubtype) {
1231 case MachO::CPU_TYPE_I386:
1232 switch (cpusubtype) {
1233 case MachO::CPU_SUBTYPE_I386_ALL:
1234 outs() << " cputype CPU_TYPE_I386\n";
1235 outs() << " cpusubtype CPU_SUBTYPE_I386_ALL\n";
1238 printUnknownCPUType(cputype, cpusubtype);
1242 case MachO::CPU_TYPE_X86_64:
1243 switch (cpusubtype) {
1244 case MachO::CPU_SUBTYPE_X86_64_ALL:
1245 outs() << " cputype CPU_TYPE_X86_64\n";
1246 outs() << " cpusubtype CPU_SUBTYPE_X86_64_ALL\n";
1248 case MachO::CPU_SUBTYPE_X86_64_H:
1249 outs() << " cputype CPU_TYPE_X86_64\n";
1250 outs() << " cpusubtype CPU_SUBTYPE_X86_64_H\n";
1253 printUnknownCPUType(cputype, cpusubtype);
1257 case MachO::CPU_TYPE_ARM:
1258 switch (cpusubtype) {
1259 case MachO::CPU_SUBTYPE_ARM_ALL:
1260 outs() << " cputype CPU_TYPE_ARM\n";
1261 outs() << " cpusubtype CPU_SUBTYPE_ARM_ALL\n";
1263 case MachO::CPU_SUBTYPE_ARM_V4T:
1264 outs() << " cputype CPU_TYPE_ARM\n";
1265 outs() << " cpusubtype CPU_SUBTYPE_ARM_V4T\n";
1267 case MachO::CPU_SUBTYPE_ARM_V5TEJ:
1268 outs() << " cputype CPU_TYPE_ARM\n";
1269 outs() << " cpusubtype CPU_SUBTYPE_ARM_V5TEJ\n";
1271 case MachO::CPU_SUBTYPE_ARM_XSCALE:
1272 outs() << " cputype CPU_TYPE_ARM\n";
1273 outs() << " cpusubtype CPU_SUBTYPE_ARM_XSCALE\n";
1275 case MachO::CPU_SUBTYPE_ARM_V6:
1276 outs() << " cputype CPU_TYPE_ARM\n";
1277 outs() << " cpusubtype CPU_SUBTYPE_ARM_V6\n";
1279 case MachO::CPU_SUBTYPE_ARM_V6M:
1280 outs() << " cputype CPU_TYPE_ARM\n";
1281 outs() << " cpusubtype CPU_SUBTYPE_ARM_V6M\n";
1283 case MachO::CPU_SUBTYPE_ARM_V7:
1284 outs() << " cputype CPU_TYPE_ARM\n";
1285 outs() << " cpusubtype CPU_SUBTYPE_ARM_V7\n";
1287 case MachO::CPU_SUBTYPE_ARM_V7EM:
1288 outs() << " cputype CPU_TYPE_ARM\n";
1289 outs() << " cpusubtype CPU_SUBTYPE_ARM_V7EM\n";
1291 case MachO::CPU_SUBTYPE_ARM_V7K:
1292 outs() << " cputype CPU_TYPE_ARM\n";
1293 outs() << " cpusubtype CPU_SUBTYPE_ARM_V7K\n";
1295 case MachO::CPU_SUBTYPE_ARM_V7M:
1296 outs() << " cputype CPU_TYPE_ARM\n";
1297 outs() << " cpusubtype CPU_SUBTYPE_ARM_V7M\n";
1299 case MachO::CPU_SUBTYPE_ARM_V7S:
1300 outs() << " cputype CPU_TYPE_ARM\n";
1301 outs() << " cpusubtype CPU_SUBTYPE_ARM_V7S\n";
1304 printUnknownCPUType(cputype, cpusubtype);
1308 case MachO::CPU_TYPE_ARM64:
1309 switch (cpusubtype & ~MachO::CPU_SUBTYPE_MASK) {
1310 case MachO::CPU_SUBTYPE_ARM64_ALL:
1311 outs() << " cputype CPU_TYPE_ARM64\n";
1312 outs() << " cpusubtype CPU_SUBTYPE_ARM64_ALL\n";
1315 printUnknownCPUType(cputype, cpusubtype);
1320 printUnknownCPUType(cputype, cpusubtype);
1325 static void printMachOUniversalHeaders(const object::MachOUniversalBinary *UB,
1327 outs() << "Fat headers\n";
1329 outs() << "fat_magic FAT_MAGIC\n";
1331 outs() << "fat_magic " << format("0x%" PRIx32, MachO::FAT_MAGIC) << "\n";
1333 uint32_t nfat_arch = UB->getNumberOfObjects();
1334 StringRef Buf = UB->getData();
1335 uint64_t size = Buf.size();
1336 uint64_t big_size = sizeof(struct MachO::fat_header) +
1337 nfat_arch * sizeof(struct MachO::fat_arch);
1338 outs() << "nfat_arch " << UB->getNumberOfObjects();
1340 outs() << " (malformed, contains zero architecture types)\n";
1341 else if (big_size > size)
1342 outs() << " (malformed, architectures past end of file)\n";
1346 for (uint32_t i = 0; i < nfat_arch; ++i) {
1347 MachOUniversalBinary::ObjectForArch OFA(UB, i);
1348 uint32_t cputype = OFA.getCPUType();
1349 uint32_t cpusubtype = OFA.getCPUSubType();
1350 outs() << "architecture ";
1351 for (uint32_t j = 0; i != 0 && j <= i - 1; j++) {
1352 MachOUniversalBinary::ObjectForArch other_OFA(UB, j);
1353 uint32_t other_cputype = other_OFA.getCPUType();
1354 uint32_t other_cpusubtype = other_OFA.getCPUSubType();
1355 if (cputype != 0 && cpusubtype != 0 && cputype == other_cputype &&
1356 (cpusubtype & ~MachO::CPU_SUBTYPE_MASK) ==
1357 (other_cpusubtype & ~MachO::CPU_SUBTYPE_MASK)) {
1358 outs() << "(illegal duplicate architecture) ";
1363 outs() << OFA.getArchTypeName() << "\n";
1364 printCPUType(cputype, cpusubtype & ~MachO::CPU_SUBTYPE_MASK);
1366 outs() << i << "\n";
1367 outs() << " cputype " << cputype << "\n";
1368 outs() << " cpusubtype " << (cpusubtype & ~MachO::CPU_SUBTYPE_MASK)
1372 (cpusubtype & MachO::CPU_SUBTYPE_MASK) == MachO::CPU_SUBTYPE_LIB64)
1373 outs() << " capabilities CPU_SUBTYPE_LIB64\n";
1375 outs() << " capabilities "
1376 << format("0x%" PRIx32,
1377 (cpusubtype & MachO::CPU_SUBTYPE_MASK) >> 24) << "\n";
1378 outs() << " offset " << OFA.getOffset();
1379 if (OFA.getOffset() > size)
1380 outs() << " (past end of file)";
1381 if (OFA.getOffset() % (1 << OFA.getAlign()) != 0)
1382 outs() << " (not aligned on it's alignment (2^" << OFA.getAlign() << ")";
1384 outs() << " size " << OFA.getSize();
1385 big_size = OFA.getOffset() + OFA.getSize();
1386 if (big_size > size)
1387 outs() << " (past end of file)";
1389 outs() << " align 2^" << OFA.getAlign() << " (" << (1 << OFA.getAlign())
1394 static void printArchiveChild(Archive::Child &C, bool verbose,
1395 bool print_offset) {
1397 outs() << C.getChildOffset() << "\t";
1398 sys::fs::perms Mode = C.getAccessMode();
1400 // FIXME: this first dash, "-", is for (Mode & S_IFMT) == S_IFREG.
1401 // But there is nothing in sys::fs::perms for S_IFMT or S_IFREG.
1403 outs() << ((Mode & sys::fs::owner_read) ? "r" : "-");
1404 outs() << ((Mode & sys::fs::owner_write) ? "w" : "-");
1405 outs() << ((Mode & sys::fs::owner_exe) ? "x" : "-");
1406 outs() << ((Mode & sys::fs::group_read) ? "r" : "-");
1407 outs() << ((Mode & sys::fs::group_write) ? "w" : "-");
1408 outs() << ((Mode & sys::fs::group_exe) ? "x" : "-");
1409 outs() << ((Mode & sys::fs::others_read) ? "r" : "-");
1410 outs() << ((Mode & sys::fs::others_write) ? "w" : "-");
1411 outs() << ((Mode & sys::fs::others_exe) ? "x" : "-");
1413 outs() << format("0%o ", Mode);
1416 unsigned UID = C.getUID();
1417 outs() << format("%3d/", UID);
1418 unsigned GID = C.getGID();
1419 outs() << format("%-3d ", GID);
1420 uint64_t Size = C.getRawSize();
1421 outs() << format("%5" PRId64, Size) << " ";
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 if (A->hasSymbolTable()) {
1456 Archive::child_iterator S = A->getSymbolTableChild();
1457 Archive::Child C = *S;
1458 printArchiveChild(C, verbose, print_offset);
1460 for (Archive::child_iterator I = A->child_begin(), E = A->child_end(); I != E;
1462 Archive::Child C = *I;
1463 printArchiveChild(C, verbose, print_offset);
1467 // ParseInputMachO() parses the named Mach-O file in Filename and handles the
1468 // -arch flags selecting just those slices as specified by them and also parses
1469 // archive files. Then for each individual Mach-O file ProcessMachO() is
1470 // called to process the file based on the command line options.
1471 void llvm::ParseInputMachO(StringRef Filename) {
1472 // Check for -arch all and verifiy the -arch flags are valid.
1473 for (unsigned i = 0; i < ArchFlags.size(); ++i) {
1474 if (ArchFlags[i] == "all") {
1477 if (!MachOObjectFile::isValidArch(ArchFlags[i])) {
1478 errs() << "llvm-objdump: Unknown architecture named '" + ArchFlags[i] +
1479 "'for the -arch option\n";
1485 // Attempt to open the binary.
1486 ErrorOr<OwningBinary<Binary>> BinaryOrErr = createBinary(Filename);
1487 if (std::error_code EC = BinaryOrErr.getError()) {
1488 errs() << "llvm-objdump: '" << Filename << "': " << EC.message() << ".\n";
1491 Binary &Bin = *BinaryOrErr.get().getBinary();
1493 if (Archive *A = dyn_cast<Archive>(&Bin)) {
1494 outs() << "Archive : " << Filename << "\n";
1496 printArchiveHeaders(A, !NonVerbose, ArchiveMemberOffsets);
1497 for (Archive::child_iterator I = A->child_begin(), E = A->child_end();
1499 ErrorOr<std::unique_ptr<Binary>> ChildOrErr = I->getAsBinary();
1500 if (ChildOrErr.getError())
1502 if (MachOObjectFile *O = dyn_cast<MachOObjectFile>(&*ChildOrErr.get())) {
1503 if (!checkMachOAndArchFlags(O, Filename))
1505 ProcessMachO(Filename, O, O->getFileName());
1510 if (UniversalHeaders) {
1511 if (MachOUniversalBinary *UB = dyn_cast<MachOUniversalBinary>(&Bin))
1512 printMachOUniversalHeaders(UB, !NonVerbose);
1514 if (MachOUniversalBinary *UB = dyn_cast<MachOUniversalBinary>(&Bin)) {
1515 // If we have a list of architecture flags specified dump only those.
1516 if (!ArchAll && ArchFlags.size() != 0) {
1517 // Look for a slice in the universal binary that matches each ArchFlag.
1519 for (unsigned i = 0; i < ArchFlags.size(); ++i) {
1521 for (MachOUniversalBinary::object_iterator I = UB->begin_objects(),
1522 E = UB->end_objects();
1524 if (ArchFlags[i] == I->getArchTypeName()) {
1526 ErrorOr<std::unique_ptr<ObjectFile>> ObjOrErr =
1527 I->getAsObjectFile();
1528 std::string ArchitectureName = "";
1529 if (ArchFlags.size() > 1)
1530 ArchitectureName = I->getArchTypeName();
1532 ObjectFile &O = *ObjOrErr.get();
1533 if (MachOObjectFile *MachOOF = dyn_cast<MachOObjectFile>(&O))
1534 ProcessMachO(Filename, MachOOF, "", ArchitectureName);
1535 } else if (ErrorOr<std::unique_ptr<Archive>> AOrErr =
1536 I->getAsArchive()) {
1537 std::unique_ptr<Archive> &A = *AOrErr;
1538 outs() << "Archive : " << Filename;
1539 if (!ArchitectureName.empty())
1540 outs() << " (architecture " << ArchitectureName << ")";
1543 printArchiveHeaders(A.get(), !NonVerbose, ArchiveMemberOffsets);
1544 for (Archive::child_iterator AI = A->child_begin(),
1545 AE = A->child_end();
1547 ErrorOr<std::unique_ptr<Binary>> ChildOrErr = AI->getAsBinary();
1548 if (ChildOrErr.getError())
1550 if (MachOObjectFile *O =
1551 dyn_cast<MachOObjectFile>(&*ChildOrErr.get()))
1552 ProcessMachO(Filename, O, O->getFileName(), ArchitectureName);
1558 errs() << "llvm-objdump: file: " + Filename + " does not contain "
1559 << "architecture: " + ArchFlags[i] + "\n";
1565 // No architecture flags were specified so if this contains a slice that
1566 // matches the host architecture dump only that.
1568 for (MachOUniversalBinary::object_iterator I = UB->begin_objects(),
1569 E = UB->end_objects();
1571 if (MachOObjectFile::getHostArch().getArchName() ==
1572 I->getArchTypeName()) {
1573 ErrorOr<std::unique_ptr<ObjectFile>> ObjOrErr = I->getAsObjectFile();
1574 std::string ArchiveName;
1575 ArchiveName.clear();
1577 ObjectFile &O = *ObjOrErr.get();
1578 if (MachOObjectFile *MachOOF = dyn_cast<MachOObjectFile>(&O))
1579 ProcessMachO(Filename, MachOOF);
1580 } else if (ErrorOr<std::unique_ptr<Archive>> AOrErr =
1581 I->getAsArchive()) {
1582 std::unique_ptr<Archive> &A = *AOrErr;
1583 outs() << "Archive : " << Filename << "\n";
1585 printArchiveHeaders(A.get(), !NonVerbose, ArchiveMemberOffsets);
1586 for (Archive::child_iterator AI = A->child_begin(),
1587 AE = A->child_end();
1589 ErrorOr<std::unique_ptr<Binary>> ChildOrErr = AI->getAsBinary();
1590 if (ChildOrErr.getError())
1592 if (MachOObjectFile *O =
1593 dyn_cast<MachOObjectFile>(&*ChildOrErr.get()))
1594 ProcessMachO(Filename, O, O->getFileName());
1601 // Either all architectures have been specified or none have been specified
1602 // and this does not contain the host architecture so dump all the slices.
1603 bool moreThanOneArch = UB->getNumberOfObjects() > 1;
1604 for (MachOUniversalBinary::object_iterator I = UB->begin_objects(),
1605 E = UB->end_objects();
1607 ErrorOr<std::unique_ptr<ObjectFile>> ObjOrErr = I->getAsObjectFile();
1608 std::string ArchitectureName = "";
1609 if (moreThanOneArch)
1610 ArchitectureName = I->getArchTypeName();
1612 ObjectFile &Obj = *ObjOrErr.get();
1613 if (MachOObjectFile *MachOOF = dyn_cast<MachOObjectFile>(&Obj))
1614 ProcessMachO(Filename, MachOOF, "", ArchitectureName);
1615 } else if (ErrorOr<std::unique_ptr<Archive>> AOrErr = I->getAsArchive()) {
1616 std::unique_ptr<Archive> &A = *AOrErr;
1617 outs() << "Archive : " << Filename;
1618 if (!ArchitectureName.empty())
1619 outs() << " (architecture " << ArchitectureName << ")";
1622 printArchiveHeaders(A.get(), !NonVerbose, ArchiveMemberOffsets);
1623 for (Archive::child_iterator AI = A->child_begin(), AE = A->child_end();
1625 ErrorOr<std::unique_ptr<Binary>> ChildOrErr = AI->getAsBinary();
1626 if (ChildOrErr.getError())
1628 if (MachOObjectFile *O =
1629 dyn_cast<MachOObjectFile>(&*ChildOrErr.get())) {
1630 if (MachOObjectFile *MachOOF = dyn_cast<MachOObjectFile>(O))
1631 ProcessMachO(Filename, MachOOF, MachOOF->getFileName(),
1639 if (ObjectFile *O = dyn_cast<ObjectFile>(&Bin)) {
1640 if (!checkMachOAndArchFlags(O, Filename))
1642 if (MachOObjectFile *MachOOF = dyn_cast<MachOObjectFile>(&*O)) {
1643 ProcessMachO(Filename, MachOOF);
1645 errs() << "llvm-objdump: '" << Filename << "': "
1646 << "Object is not a Mach-O file type.\n";
1648 errs() << "llvm-objdump: '" << Filename << "': "
1649 << "Unrecognized file type.\n";
1652 typedef std::pair<uint64_t, const char *> BindInfoEntry;
1653 typedef std::vector<BindInfoEntry> BindTable;
1654 typedef BindTable::iterator bind_table_iterator;
1656 // The block of info used by the Symbolizer call backs.
1657 struct DisassembleInfo {
1661 SymbolAddressMap *AddrMap;
1662 std::vector<SectionRef> *Sections;
1663 const char *class_name;
1664 const char *selector_name;
1666 char *demangled_name;
1669 BindTable *bindtable;
1672 // SymbolizerGetOpInfo() is the operand information call back function.
1673 // This is called to get the symbolic information for operand(s) of an
1674 // instruction when it is being done. This routine does this from
1675 // the relocation information, symbol table, etc. That block of information
1676 // is a pointer to the struct DisassembleInfo that was passed when the
1677 // disassembler context was created and passed to back to here when
1678 // called back by the disassembler for instruction operands that could have
1679 // relocation information. The address of the instruction containing operand is
1680 // at the Pc parameter. The immediate value the operand has is passed in
1681 // op_info->Value and is at Offset past the start of the instruction and has a
1682 // byte Size of 1, 2 or 4. The symbolc information is returned in TagBuf is the
1683 // LLVMOpInfo1 struct defined in the header "llvm-c/Disassembler.h" as symbol
1684 // names and addends of the symbolic expression to add for the operand. The
1685 // value of TagType is currently 1 (for the LLVMOpInfo1 struct). If symbolic
1686 // information is returned then this function returns 1 else it returns 0.
1687 static int SymbolizerGetOpInfo(void *DisInfo, uint64_t Pc, uint64_t Offset,
1688 uint64_t Size, int TagType, void *TagBuf) {
1689 struct DisassembleInfo *info = (struct DisassembleInfo *)DisInfo;
1690 struct LLVMOpInfo1 *op_info = (struct LLVMOpInfo1 *)TagBuf;
1691 uint64_t value = op_info->Value;
1693 // Make sure all fields returned are zero if we don't set them.
1694 memset((void *)op_info, '\0', sizeof(struct LLVMOpInfo1));
1695 op_info->Value = value;
1697 // If the TagType is not the value 1 which it code knows about or if no
1698 // verbose symbolic information is wanted then just return 0, indicating no
1699 // information is being returned.
1700 if (TagType != 1 || !info->verbose)
1703 unsigned int Arch = info->O->getArch();
1704 if (Arch == Triple::x86) {
1705 if (Size != 1 && Size != 2 && Size != 4 && Size != 0)
1707 // First search the section's relocation entries (if any) for an entry
1708 // for this section offset.
1709 uint32_t sect_addr = info->S.getAddress();
1710 uint32_t sect_offset = (Pc + Offset) - sect_addr;
1711 bool reloc_found = false;
1713 MachO::any_relocation_info RE;
1714 bool isExtern = false;
1716 bool r_scattered = false;
1717 uint32_t r_value, pair_r_value, r_type;
1718 for (const RelocationRef &Reloc : info->S.relocations()) {
1719 uint64_t RelocOffset = Reloc.getOffset();
1720 if (RelocOffset == sect_offset) {
1721 Rel = Reloc.getRawDataRefImpl();
1722 RE = info->O->getRelocation(Rel);
1723 r_type = info->O->getAnyRelocationType(RE);
1724 r_scattered = info->O->isRelocationScattered(RE);
1726 r_value = info->O->getScatteredRelocationValue(RE);
1727 if (r_type == MachO::GENERIC_RELOC_SECTDIFF ||
1728 r_type == MachO::GENERIC_RELOC_LOCAL_SECTDIFF) {
1729 DataRefImpl RelNext = Rel;
1730 info->O->moveRelocationNext(RelNext);
1731 MachO::any_relocation_info RENext;
1732 RENext = info->O->getRelocation(RelNext);
1733 if (info->O->isRelocationScattered(RENext))
1734 pair_r_value = info->O->getScatteredRelocationValue(RENext);
1739 isExtern = info->O->getPlainRelocationExternal(RE);
1741 symbol_iterator RelocSym = Reloc.getSymbol();
1749 if (reloc_found && isExtern) {
1750 ErrorOr<StringRef> SymName = Symbol.getName();
1751 if (std::error_code EC = SymName.getError())
1752 report_fatal_error(EC.message());
1753 const char *name = SymName->data();
1754 op_info->AddSymbol.Present = 1;
1755 op_info->AddSymbol.Name = name;
1756 // For i386 extern relocation entries the value in the instruction is
1757 // the offset from the symbol, and value is already set in op_info->Value.
1760 if (reloc_found && (r_type == MachO::GENERIC_RELOC_SECTDIFF ||
1761 r_type == MachO::GENERIC_RELOC_LOCAL_SECTDIFF)) {
1762 const char *add = GuessSymbolName(r_value, info->AddrMap);
1763 const char *sub = GuessSymbolName(pair_r_value, info->AddrMap);
1764 uint32_t offset = value - (r_value - pair_r_value);
1765 op_info->AddSymbol.Present = 1;
1767 op_info->AddSymbol.Name = add;
1769 op_info->AddSymbol.Value = r_value;
1770 op_info->SubtractSymbol.Present = 1;
1772 op_info->SubtractSymbol.Name = sub;
1774 op_info->SubtractSymbol.Value = pair_r_value;
1775 op_info->Value = offset;
1779 // Second search the external relocation entries of a fully linked image
1780 // (if any) for an entry that matches this segment offset.
1781 // uint32_t seg_offset = (Pc + Offset);
1784 if (Arch == Triple::x86_64) {
1785 if (Size != 1 && Size != 2 && Size != 4 && Size != 0)
1787 // First search the section's relocation entries (if any) for an entry
1788 // for this section offset.
1789 uint64_t sect_addr = info->S.getAddress();
1790 uint64_t sect_offset = (Pc + Offset) - sect_addr;
1791 bool reloc_found = false;
1793 MachO::any_relocation_info RE;
1794 bool isExtern = false;
1796 for (const RelocationRef &Reloc : info->S.relocations()) {
1797 uint64_t RelocOffset = Reloc.getOffset();
1798 if (RelocOffset == sect_offset) {
1799 Rel = Reloc.getRawDataRefImpl();
1800 RE = info->O->getRelocation(Rel);
1801 // NOTE: Scattered relocations don't exist on x86_64.
1802 isExtern = info->O->getPlainRelocationExternal(RE);
1804 symbol_iterator RelocSym = Reloc.getSymbol();
1811 if (reloc_found && isExtern) {
1812 // The Value passed in will be adjusted by the Pc if the instruction
1813 // adds the Pc. But for x86_64 external relocation entries the Value
1814 // is the offset from the external symbol.
1815 if (info->O->getAnyRelocationPCRel(RE))
1816 op_info->Value -= Pc + Offset + Size;
1817 ErrorOr<StringRef> SymName = Symbol.getName();
1818 if (std::error_code EC = SymName.getError())
1819 report_fatal_error(EC.message());
1820 const char *name = SymName->data();
1821 unsigned Type = info->O->getAnyRelocationType(RE);
1822 if (Type == MachO::X86_64_RELOC_SUBTRACTOR) {
1823 DataRefImpl RelNext = Rel;
1824 info->O->moveRelocationNext(RelNext);
1825 MachO::any_relocation_info RENext = info->O->getRelocation(RelNext);
1826 unsigned TypeNext = info->O->getAnyRelocationType(RENext);
1827 bool isExternNext = info->O->getPlainRelocationExternal(RENext);
1828 unsigned SymbolNum = info->O->getPlainRelocationSymbolNum(RENext);
1829 if (TypeNext == MachO::X86_64_RELOC_UNSIGNED && isExternNext) {
1830 op_info->SubtractSymbol.Present = 1;
1831 op_info->SubtractSymbol.Name = name;
1832 symbol_iterator RelocSymNext = info->O->getSymbolByIndex(SymbolNum);
1833 Symbol = *RelocSymNext;
1834 ErrorOr<StringRef> SymNameNext = Symbol.getName();
1835 if (std::error_code EC = SymNameNext.getError())
1836 report_fatal_error(EC.message());
1837 name = SymNameNext->data();
1840 // TODO: add the VariantKinds to op_info->VariantKind for relocation types
1841 // like: X86_64_RELOC_TLV, X86_64_RELOC_GOT_LOAD and X86_64_RELOC_GOT.
1842 op_info->AddSymbol.Present = 1;
1843 op_info->AddSymbol.Name = name;
1847 // Second search the external relocation entries of a fully linked image
1848 // (if any) for an entry that matches this segment offset.
1849 // uint64_t seg_offset = (Pc + Offset);
1852 if (Arch == Triple::arm) {
1853 if (Offset != 0 || (Size != 4 && Size != 2))
1855 // First search the section's relocation entries (if any) for an entry
1856 // for this section offset.
1857 uint32_t sect_addr = info->S.getAddress();
1858 uint32_t sect_offset = (Pc + Offset) - sect_addr;
1860 MachO::any_relocation_info RE;
1861 bool isExtern = false;
1863 bool r_scattered = false;
1864 uint32_t r_value, pair_r_value, r_type, r_length, other_half;
1866 std::find_if(info->S.relocations().begin(), info->S.relocations().end(),
1867 [&](const RelocationRef &Reloc) {
1868 uint64_t RelocOffset = Reloc.getOffset();
1869 return RelocOffset == sect_offset;
1872 if (Reloc == info->S.relocations().end())
1875 Rel = Reloc->getRawDataRefImpl();
1876 RE = info->O->getRelocation(Rel);
1877 r_length = info->O->getAnyRelocationLength(RE);
1878 r_scattered = info->O->isRelocationScattered(RE);
1880 r_value = info->O->getScatteredRelocationValue(RE);
1881 r_type = info->O->getScatteredRelocationType(RE);
1883 r_type = info->O->getAnyRelocationType(RE);
1884 isExtern = info->O->getPlainRelocationExternal(RE);
1886 symbol_iterator RelocSym = Reloc->getSymbol();
1890 if (r_type == MachO::ARM_RELOC_HALF ||
1891 r_type == MachO::ARM_RELOC_SECTDIFF ||
1892 r_type == MachO::ARM_RELOC_LOCAL_SECTDIFF ||
1893 r_type == MachO::ARM_RELOC_HALF_SECTDIFF) {
1894 DataRefImpl RelNext = Rel;
1895 info->O->moveRelocationNext(RelNext);
1896 MachO::any_relocation_info RENext;
1897 RENext = info->O->getRelocation(RelNext);
1898 other_half = info->O->getAnyRelocationAddress(RENext) & 0xffff;
1899 if (info->O->isRelocationScattered(RENext))
1900 pair_r_value = info->O->getScatteredRelocationValue(RENext);
1904 ErrorOr<StringRef> SymName = Symbol.getName();
1905 if (std::error_code EC = SymName.getError())
1906 report_fatal_error(EC.message());
1907 const char *name = SymName->data();
1908 op_info->AddSymbol.Present = 1;
1909 op_info->AddSymbol.Name = name;
1911 case MachO::ARM_RELOC_HALF:
1912 if ((r_length & 0x1) == 1) {
1913 op_info->Value = value << 16 | other_half;
1914 op_info->VariantKind = LLVMDisassembler_VariantKind_ARM_HI16;
1916 op_info->Value = other_half << 16 | value;
1917 op_info->VariantKind = LLVMDisassembler_VariantKind_ARM_LO16;
1925 // If we have a branch that is not an external relocation entry then
1926 // return 0 so the code in tryAddingSymbolicOperand() can use the
1927 // SymbolLookUp call back with the branch target address to look up the
1928 // symbol and possiblity add an annotation for a symbol stub.
1929 if (isExtern == 0 && (r_type == MachO::ARM_RELOC_BR24 ||
1930 r_type == MachO::ARM_THUMB_RELOC_BR22))
1933 uint32_t offset = 0;
1934 if (r_type == MachO::ARM_RELOC_HALF ||
1935 r_type == MachO::ARM_RELOC_HALF_SECTDIFF) {
1936 if ((r_length & 0x1) == 1)
1937 value = value << 16 | other_half;
1939 value = other_half << 16 | value;
1941 if (r_scattered && (r_type != MachO::ARM_RELOC_HALF &&
1942 r_type != MachO::ARM_RELOC_HALF_SECTDIFF)) {
1943 offset = value - r_value;
1947 if (r_type == MachO::ARM_RELOC_HALF_SECTDIFF) {
1948 if ((r_length & 0x1) == 1)
1949 op_info->VariantKind = LLVMDisassembler_VariantKind_ARM_HI16;
1951 op_info->VariantKind = LLVMDisassembler_VariantKind_ARM_LO16;
1952 const char *add = GuessSymbolName(r_value, info->AddrMap);
1953 const char *sub = GuessSymbolName(pair_r_value, info->AddrMap);
1954 int32_t offset = value - (r_value - pair_r_value);
1955 op_info->AddSymbol.Present = 1;
1957 op_info->AddSymbol.Name = add;
1959 op_info->AddSymbol.Value = r_value;
1960 op_info->SubtractSymbol.Present = 1;
1962 op_info->SubtractSymbol.Name = sub;
1964 op_info->SubtractSymbol.Value = pair_r_value;
1965 op_info->Value = offset;
1969 op_info->AddSymbol.Present = 1;
1970 op_info->Value = offset;
1971 if (r_type == MachO::ARM_RELOC_HALF) {
1972 if ((r_length & 0x1) == 1)
1973 op_info->VariantKind = LLVMDisassembler_VariantKind_ARM_HI16;
1975 op_info->VariantKind = LLVMDisassembler_VariantKind_ARM_LO16;
1977 const char *add = GuessSymbolName(value, info->AddrMap);
1978 if (add != nullptr) {
1979 op_info->AddSymbol.Name = add;
1982 op_info->AddSymbol.Value = value;
1985 if (Arch == Triple::aarch64) {
1986 if (Offset != 0 || Size != 4)
1988 // First search the section's relocation entries (if any) for an entry
1989 // for this section offset.
1990 uint64_t sect_addr = info->S.getAddress();
1991 uint64_t sect_offset = (Pc + Offset) - sect_addr;
1993 std::find_if(info->S.relocations().begin(), info->S.relocations().end(),
1994 [&](const RelocationRef &Reloc) {
1995 uint64_t RelocOffset = Reloc.getOffset();
1996 return RelocOffset == sect_offset;
1999 if (Reloc == info->S.relocations().end())
2002 DataRefImpl Rel = Reloc->getRawDataRefImpl();
2003 MachO::any_relocation_info RE = info->O->getRelocation(Rel);
2004 uint32_t r_type = info->O->getAnyRelocationType(RE);
2005 if (r_type == MachO::ARM64_RELOC_ADDEND) {
2006 DataRefImpl RelNext = Rel;
2007 info->O->moveRelocationNext(RelNext);
2008 MachO::any_relocation_info RENext = info->O->getRelocation(RelNext);
2010 value = info->O->getPlainRelocationSymbolNum(RENext);
2011 op_info->Value = value;
2014 // NOTE: Scattered relocations don't exist on arm64.
2015 if (!info->O->getPlainRelocationExternal(RE))
2017 ErrorOr<StringRef> SymName = Reloc->getSymbol()->getName();
2018 if (std::error_code EC = SymName.getError())
2019 report_fatal_error(EC.message());
2020 const char *name = SymName->data();
2021 op_info->AddSymbol.Present = 1;
2022 op_info->AddSymbol.Name = name;
2025 case MachO::ARM64_RELOC_PAGE21:
2027 op_info->VariantKind = LLVMDisassembler_VariantKind_ARM64_PAGE;
2029 case MachO::ARM64_RELOC_PAGEOFF12:
2031 op_info->VariantKind = LLVMDisassembler_VariantKind_ARM64_PAGEOFF;
2033 case MachO::ARM64_RELOC_GOT_LOAD_PAGE21:
2035 op_info->VariantKind = LLVMDisassembler_VariantKind_ARM64_GOTPAGE;
2037 case MachO::ARM64_RELOC_GOT_LOAD_PAGEOFF12:
2039 op_info->VariantKind = LLVMDisassembler_VariantKind_ARM64_GOTPAGEOFF;
2041 case MachO::ARM64_RELOC_TLVP_LOAD_PAGE21:
2042 /* @tvlppage is not implemented in llvm-mc */
2043 op_info->VariantKind = LLVMDisassembler_VariantKind_ARM64_TLVP;
2045 case MachO::ARM64_RELOC_TLVP_LOAD_PAGEOFF12:
2046 /* @tvlppageoff is not implemented in llvm-mc */
2047 op_info->VariantKind = LLVMDisassembler_VariantKind_ARM64_TLVOFF;
2050 case MachO::ARM64_RELOC_BRANCH26:
2051 op_info->VariantKind = LLVMDisassembler_VariantKind_None;
2059 // GuessCstringPointer is passed the address of what might be a pointer to a
2060 // literal string in a cstring section. If that address is in a cstring section
2061 // it returns a pointer to that string. Else it returns nullptr.
2062 static const char *GuessCstringPointer(uint64_t ReferenceValue,
2063 struct DisassembleInfo *info) {
2064 for (const auto &Load : info->O->load_commands()) {
2065 if (Load.C.cmd == MachO::LC_SEGMENT_64) {
2066 MachO::segment_command_64 Seg = info->O->getSegment64LoadCommand(Load);
2067 for (unsigned J = 0; J < Seg.nsects; ++J) {
2068 MachO::section_64 Sec = info->O->getSection64(Load, J);
2069 uint32_t section_type = Sec.flags & MachO::SECTION_TYPE;
2070 if (section_type == MachO::S_CSTRING_LITERALS &&
2071 ReferenceValue >= Sec.addr &&
2072 ReferenceValue < Sec.addr + Sec.size) {
2073 uint64_t sect_offset = ReferenceValue - Sec.addr;
2074 uint64_t object_offset = Sec.offset + sect_offset;
2075 StringRef MachOContents = info->O->getData();
2076 uint64_t object_size = MachOContents.size();
2077 const char *object_addr = (const char *)MachOContents.data();
2078 if (object_offset < object_size) {
2079 const char *name = object_addr + object_offset;
2086 } else if (Load.C.cmd == MachO::LC_SEGMENT) {
2087 MachO::segment_command Seg = info->O->getSegmentLoadCommand(Load);
2088 for (unsigned J = 0; J < Seg.nsects; ++J) {
2089 MachO::section Sec = info->O->getSection(Load, J);
2090 uint32_t section_type = Sec.flags & MachO::SECTION_TYPE;
2091 if (section_type == MachO::S_CSTRING_LITERALS &&
2092 ReferenceValue >= Sec.addr &&
2093 ReferenceValue < Sec.addr + Sec.size) {
2094 uint64_t sect_offset = ReferenceValue - Sec.addr;
2095 uint64_t object_offset = Sec.offset + sect_offset;
2096 StringRef MachOContents = info->O->getData();
2097 uint64_t object_size = MachOContents.size();
2098 const char *object_addr = (const char *)MachOContents.data();
2099 if (object_offset < object_size) {
2100 const char *name = object_addr + object_offset;
2112 // GuessIndirectSymbol returns the name of the indirect symbol for the
2113 // ReferenceValue passed in or nullptr. This is used when ReferenceValue maybe
2114 // an address of a symbol stub or a lazy or non-lazy pointer to associate the
2115 // symbol name being referenced by the stub or pointer.
2116 static const char *GuessIndirectSymbol(uint64_t ReferenceValue,
2117 struct DisassembleInfo *info) {
2118 MachO::dysymtab_command Dysymtab = info->O->getDysymtabLoadCommand();
2119 MachO::symtab_command Symtab = info->O->getSymtabLoadCommand();
2120 for (const auto &Load : info->O->load_commands()) {
2121 if (Load.C.cmd == MachO::LC_SEGMENT_64) {
2122 MachO::segment_command_64 Seg = info->O->getSegment64LoadCommand(Load);
2123 for (unsigned J = 0; J < Seg.nsects; ++J) {
2124 MachO::section_64 Sec = info->O->getSection64(Load, J);
2125 uint32_t section_type = Sec.flags & MachO::SECTION_TYPE;
2126 if ((section_type == MachO::S_NON_LAZY_SYMBOL_POINTERS ||
2127 section_type == MachO::S_LAZY_SYMBOL_POINTERS ||
2128 section_type == MachO::S_LAZY_DYLIB_SYMBOL_POINTERS ||
2129 section_type == MachO::S_THREAD_LOCAL_VARIABLE_POINTERS ||
2130 section_type == MachO::S_SYMBOL_STUBS) &&
2131 ReferenceValue >= Sec.addr &&
2132 ReferenceValue < Sec.addr + Sec.size) {
2134 if (section_type == MachO::S_SYMBOL_STUBS)
2135 stride = Sec.reserved2;
2140 uint32_t index = Sec.reserved1 + (ReferenceValue - Sec.addr) / stride;
2141 if (index < Dysymtab.nindirectsyms) {
2142 uint32_t indirect_symbol =
2143 info->O->getIndirectSymbolTableEntry(Dysymtab, index);
2144 if (indirect_symbol < Symtab.nsyms) {
2145 symbol_iterator Sym = info->O->getSymbolByIndex(indirect_symbol);
2146 SymbolRef Symbol = *Sym;
2147 ErrorOr<StringRef> SymName = Symbol.getName();
2148 if (std::error_code EC = SymName.getError())
2149 report_fatal_error(EC.message());
2150 const char *name = SymName->data();
2156 } else if (Load.C.cmd == MachO::LC_SEGMENT) {
2157 MachO::segment_command Seg = info->O->getSegmentLoadCommand(Load);
2158 for (unsigned J = 0; J < Seg.nsects; ++J) {
2159 MachO::section Sec = info->O->getSection(Load, J);
2160 uint32_t section_type = Sec.flags & MachO::SECTION_TYPE;
2161 if ((section_type == MachO::S_NON_LAZY_SYMBOL_POINTERS ||
2162 section_type == MachO::S_LAZY_SYMBOL_POINTERS ||
2163 section_type == MachO::S_LAZY_DYLIB_SYMBOL_POINTERS ||
2164 section_type == MachO::S_THREAD_LOCAL_VARIABLE_POINTERS ||
2165 section_type == MachO::S_SYMBOL_STUBS) &&
2166 ReferenceValue >= Sec.addr &&
2167 ReferenceValue < Sec.addr + Sec.size) {
2169 if (section_type == MachO::S_SYMBOL_STUBS)
2170 stride = Sec.reserved2;
2175 uint32_t index = Sec.reserved1 + (ReferenceValue - Sec.addr) / stride;
2176 if (index < Dysymtab.nindirectsyms) {
2177 uint32_t indirect_symbol =
2178 info->O->getIndirectSymbolTableEntry(Dysymtab, index);
2179 if (indirect_symbol < Symtab.nsyms) {
2180 symbol_iterator Sym = info->O->getSymbolByIndex(indirect_symbol);
2181 SymbolRef Symbol = *Sym;
2182 ErrorOr<StringRef> SymName = Symbol.getName();
2183 if (std::error_code EC = SymName.getError())
2184 report_fatal_error(EC.message());
2185 const char *name = SymName->data();
2196 // method_reference() is called passing it the ReferenceName that might be
2197 // a reference it to an Objective-C method call. If so then it allocates and
2198 // assembles a method call string with the values last seen and saved in
2199 // the DisassembleInfo's class_name and selector_name fields. This is saved
2200 // into the method field of the info and any previous string is free'ed.
2201 // Then the class_name field in the info is set to nullptr. The method call
2202 // string is set into ReferenceName and ReferenceType is set to
2203 // LLVMDisassembler_ReferenceType_Out_Objc_Message. If this not a method call
2204 // then both ReferenceType and ReferenceName are left unchanged.
2205 static void method_reference(struct DisassembleInfo *info,
2206 uint64_t *ReferenceType,
2207 const char **ReferenceName) {
2208 unsigned int Arch = info->O->getArch();
2209 if (*ReferenceName != nullptr) {
2210 if (strcmp(*ReferenceName, "_objc_msgSend") == 0) {
2211 if (info->selector_name != nullptr) {
2212 if (info->method != nullptr)
2214 if (info->class_name != nullptr) {
2215 info->method = (char *)malloc(5 + strlen(info->class_name) +
2216 strlen(info->selector_name));
2217 if (info->method != nullptr) {
2218 strcpy(info->method, "+[");
2219 strcat(info->method, info->class_name);
2220 strcat(info->method, " ");
2221 strcat(info->method, info->selector_name);
2222 strcat(info->method, "]");
2223 *ReferenceName = info->method;
2224 *ReferenceType = LLVMDisassembler_ReferenceType_Out_Objc_Message;
2227 info->method = (char *)malloc(9 + strlen(info->selector_name));
2228 if (info->method != nullptr) {
2229 if (Arch == Triple::x86_64)
2230 strcpy(info->method, "-[%rdi ");
2231 else if (Arch == Triple::aarch64)
2232 strcpy(info->method, "-[x0 ");
2234 strcpy(info->method, "-[r? ");
2235 strcat(info->method, info->selector_name);
2236 strcat(info->method, "]");
2237 *ReferenceName = info->method;
2238 *ReferenceType = LLVMDisassembler_ReferenceType_Out_Objc_Message;
2241 info->class_name = nullptr;
2243 } else if (strcmp(*ReferenceName, "_objc_msgSendSuper2") == 0) {
2244 if (info->selector_name != nullptr) {
2245 if (info->method != nullptr)
2247 info->method = (char *)malloc(17 + strlen(info->selector_name));
2248 if (info->method != nullptr) {
2249 if (Arch == Triple::x86_64)
2250 strcpy(info->method, "-[[%rdi super] ");
2251 else if (Arch == Triple::aarch64)
2252 strcpy(info->method, "-[[x0 super] ");
2254 strcpy(info->method, "-[[r? super] ");
2255 strcat(info->method, info->selector_name);
2256 strcat(info->method, "]");
2257 *ReferenceName = info->method;
2258 *ReferenceType = LLVMDisassembler_ReferenceType_Out_Objc_Message;
2260 info->class_name = nullptr;
2266 // GuessPointerPointer() is passed the address of what might be a pointer to
2267 // a reference to an Objective-C class, selector, message ref or cfstring.
2268 // If so the value of the pointer is returned and one of the booleans are set
2269 // to true. If not zero is returned and all the booleans are set to false.
2270 static uint64_t GuessPointerPointer(uint64_t ReferenceValue,
2271 struct DisassembleInfo *info,
2272 bool &classref, bool &selref, bool &msgref,
2278 for (const auto &Load : info->O->load_commands()) {
2279 if (Load.C.cmd == MachO::LC_SEGMENT_64) {
2280 MachO::segment_command_64 Seg = info->O->getSegment64LoadCommand(Load);
2281 for (unsigned J = 0; J < Seg.nsects; ++J) {
2282 MachO::section_64 Sec = info->O->getSection64(Load, J);
2283 if ((strncmp(Sec.sectname, "__objc_selrefs", 16) == 0 ||
2284 strncmp(Sec.sectname, "__objc_classrefs", 16) == 0 ||
2285 strncmp(Sec.sectname, "__objc_superrefs", 16) == 0 ||
2286 strncmp(Sec.sectname, "__objc_msgrefs", 16) == 0 ||
2287 strncmp(Sec.sectname, "__cfstring", 16) == 0) &&
2288 ReferenceValue >= Sec.addr &&
2289 ReferenceValue < Sec.addr + Sec.size) {
2290 uint64_t sect_offset = ReferenceValue - Sec.addr;
2291 uint64_t object_offset = Sec.offset + sect_offset;
2292 StringRef MachOContents = info->O->getData();
2293 uint64_t object_size = MachOContents.size();
2294 const char *object_addr = (const char *)MachOContents.data();
2295 if (object_offset < object_size) {
2296 uint64_t pointer_value;
2297 memcpy(&pointer_value, object_addr + object_offset,
2299 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
2300 sys::swapByteOrder(pointer_value);
2301 if (strncmp(Sec.sectname, "__objc_selrefs", 16) == 0)
2303 else if (strncmp(Sec.sectname, "__objc_classrefs", 16) == 0 ||
2304 strncmp(Sec.sectname, "__objc_superrefs", 16) == 0)
2306 else if (strncmp(Sec.sectname, "__objc_msgrefs", 16) == 0 &&
2307 ReferenceValue + 8 < Sec.addr + Sec.size) {
2309 memcpy(&pointer_value, object_addr + object_offset + 8,
2311 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
2312 sys::swapByteOrder(pointer_value);
2313 } else if (strncmp(Sec.sectname, "__cfstring", 16) == 0)
2315 return pointer_value;
2322 // TODO: Look for LC_SEGMENT for 32-bit Mach-O files.
2327 // get_pointer_64 returns a pointer to the bytes in the object file at the
2328 // Address from a section in the Mach-O file. And indirectly returns the
2329 // offset into the section, number of bytes left in the section past the offset
2330 // and which section is was being referenced. If the Address is not in a
2331 // section nullptr is returned.
2332 static const char *get_pointer_64(uint64_t Address, uint32_t &offset,
2333 uint32_t &left, SectionRef &S,
2334 DisassembleInfo *info,
2335 bool objc_only = false) {
2339 for (unsigned SectIdx = 0; SectIdx != info->Sections->size(); SectIdx++) {
2340 uint64_t SectAddress = ((*(info->Sections))[SectIdx]).getAddress();
2341 uint64_t SectSize = ((*(info->Sections))[SectIdx]).getSize();
2344 ((*(info->Sections))[SectIdx]).getName(SectName);
2345 DataRefImpl Ref = ((*(info->Sections))[SectIdx]).getRawDataRefImpl();
2346 StringRef SegName = info->O->getSectionFinalSegmentName(Ref);
2347 if (SegName != "__OBJC" && SectName != "__cstring")
2350 if (Address >= SectAddress && Address < SectAddress + SectSize) {
2351 S = (*(info->Sections))[SectIdx];
2352 offset = Address - SectAddress;
2353 left = SectSize - offset;
2354 StringRef SectContents;
2355 ((*(info->Sections))[SectIdx]).getContents(SectContents);
2356 return SectContents.data() + offset;
2362 static const char *get_pointer_32(uint32_t Address, uint32_t &offset,
2363 uint32_t &left, SectionRef &S,
2364 DisassembleInfo *info,
2365 bool objc_only = false) {
2366 return get_pointer_64(Address, offset, left, S, info, objc_only);
2369 // get_symbol_64() returns the name of a symbol (or nullptr) and the address of
2370 // the symbol indirectly through n_value. Based on the relocation information
2371 // for the specified section offset in the specified section reference.
2372 // If no relocation information is found and a non-zero ReferenceValue for the
2373 // symbol is passed, look up that address in the info's AddrMap.
2374 static const char *get_symbol_64(uint32_t sect_offset, SectionRef S,
2375 DisassembleInfo *info, uint64_t &n_value,
2376 uint64_t ReferenceValue = 0) {
2381 // See if there is an external relocation entry at the sect_offset.
2382 bool reloc_found = false;
2384 MachO::any_relocation_info RE;
2385 bool isExtern = false;
2387 for (const RelocationRef &Reloc : S.relocations()) {
2388 uint64_t RelocOffset = Reloc.getOffset();
2389 if (RelocOffset == sect_offset) {
2390 Rel = Reloc.getRawDataRefImpl();
2391 RE = info->O->getRelocation(Rel);
2392 if (info->O->isRelocationScattered(RE))
2394 isExtern = info->O->getPlainRelocationExternal(RE);
2396 symbol_iterator RelocSym = Reloc.getSymbol();
2403 // If there is an external relocation entry for a symbol in this section
2404 // at this section_offset then use that symbol's value for the n_value
2405 // and return its name.
2406 const char *SymbolName = nullptr;
2407 if (reloc_found && isExtern) {
2408 n_value = Symbol.getValue();
2409 ErrorOr<StringRef> NameOrError = Symbol.getName();
2410 if (std::error_code EC = NameOrError.getError())
2411 report_fatal_error(EC.message());
2412 StringRef Name = *NameOrError;
2413 if (!Name.empty()) {
2414 SymbolName = Name.data();
2419 // TODO: For fully linked images, look through the external relocation
2420 // entries off the dynamic symtab command. For these the r_offset is from the
2421 // start of the first writeable segment in the Mach-O file. So the offset
2422 // to this section from that segment is passed to this routine by the caller,
2423 // as the database_offset. Which is the difference of the section's starting
2424 // address and the first writable segment.
2426 // NOTE: need add passing the database_offset to this routine.
2428 // We did not find an external relocation entry so look up the ReferenceValue
2429 // as an address of a symbol and if found return that symbol's name.
2430 SymbolName = GuessSymbolName(ReferenceValue, info->AddrMap);
2435 static const char *get_symbol_32(uint32_t sect_offset, SectionRef S,
2436 DisassembleInfo *info,
2437 uint32_t ReferenceValue) {
2439 return get_symbol_64(sect_offset, S, info, n_value64, ReferenceValue);
2442 // These are structs in the Objective-C meta data and read to produce the
2443 // comments for disassembly. While these are part of the ABI they are no
2444 // public defintions. So the are here not in include/llvm/Support/MachO.h .
2446 // The cfstring object in a 64-bit Mach-O file.
2447 struct cfstring64_t {
2448 uint64_t isa; // class64_t * (64-bit pointer)
2449 uint64_t flags; // flag bits
2450 uint64_t characters; // char * (64-bit pointer)
2451 uint64_t length; // number of non-NULL characters in above
2454 // The class object in a 64-bit Mach-O file.
2456 uint64_t isa; // class64_t * (64-bit pointer)
2457 uint64_t superclass; // class64_t * (64-bit pointer)
2458 uint64_t cache; // Cache (64-bit pointer)
2459 uint64_t vtable; // IMP * (64-bit pointer)
2460 uint64_t data; // class_ro64_t * (64-bit pointer)
2464 uint32_t isa; /* class32_t * (32-bit pointer) */
2465 uint32_t superclass; /* class32_t * (32-bit pointer) */
2466 uint32_t cache; /* Cache (32-bit pointer) */
2467 uint32_t vtable; /* IMP * (32-bit pointer) */
2468 uint32_t data; /* class_ro32_t * (32-bit pointer) */
2471 struct class_ro64_t {
2473 uint32_t instanceStart;
2474 uint32_t instanceSize;
2476 uint64_t ivarLayout; // const uint8_t * (64-bit pointer)
2477 uint64_t name; // const char * (64-bit pointer)
2478 uint64_t baseMethods; // const method_list_t * (64-bit pointer)
2479 uint64_t baseProtocols; // const protocol_list_t * (64-bit pointer)
2480 uint64_t ivars; // const ivar_list_t * (64-bit pointer)
2481 uint64_t weakIvarLayout; // const uint8_t * (64-bit pointer)
2482 uint64_t baseProperties; // const struct objc_property_list (64-bit pointer)
2485 struct class_ro32_t {
2487 uint32_t instanceStart;
2488 uint32_t instanceSize;
2489 uint32_t ivarLayout; /* const uint8_t * (32-bit pointer) */
2490 uint32_t name; /* const char * (32-bit pointer) */
2491 uint32_t baseMethods; /* const method_list_t * (32-bit pointer) */
2492 uint32_t baseProtocols; /* const protocol_list_t * (32-bit pointer) */
2493 uint32_t ivars; /* const ivar_list_t * (32-bit pointer) */
2494 uint32_t weakIvarLayout; /* const uint8_t * (32-bit pointer) */
2495 uint32_t baseProperties; /* const struct objc_property_list *
2499 /* Values for class_ro{64,32}_t->flags */
2500 #define RO_META (1 << 0)
2501 #define RO_ROOT (1 << 1)
2502 #define RO_HAS_CXX_STRUCTORS (1 << 2)
2504 struct method_list64_t {
2507 /* struct method64_t first; These structures follow inline */
2510 struct method_list32_t {
2513 /* struct method32_t first; These structures follow inline */
2517 uint64_t name; /* SEL (64-bit pointer) */
2518 uint64_t types; /* const char * (64-bit pointer) */
2519 uint64_t imp; /* IMP (64-bit pointer) */
2523 uint32_t name; /* SEL (32-bit pointer) */
2524 uint32_t types; /* const char * (32-bit pointer) */
2525 uint32_t imp; /* IMP (32-bit pointer) */
2528 struct protocol_list64_t {
2529 uint64_t count; /* uintptr_t (a 64-bit value) */
2530 /* struct protocol64_t * list[0]; These pointers follow inline */
2533 struct protocol_list32_t {
2534 uint32_t count; /* uintptr_t (a 32-bit value) */
2535 /* struct protocol32_t * list[0]; These pointers follow inline */
2538 struct protocol64_t {
2539 uint64_t isa; /* id * (64-bit pointer) */
2540 uint64_t name; /* const char * (64-bit pointer) */
2541 uint64_t protocols; /* struct protocol_list64_t *
2543 uint64_t instanceMethods; /* method_list_t * (64-bit pointer) */
2544 uint64_t classMethods; /* method_list_t * (64-bit pointer) */
2545 uint64_t optionalInstanceMethods; /* method_list_t * (64-bit pointer) */
2546 uint64_t optionalClassMethods; /* method_list_t * (64-bit pointer) */
2547 uint64_t instanceProperties; /* struct objc_property_list *
2551 struct protocol32_t {
2552 uint32_t isa; /* id * (32-bit pointer) */
2553 uint32_t name; /* const char * (32-bit pointer) */
2554 uint32_t protocols; /* struct protocol_list_t *
2556 uint32_t instanceMethods; /* method_list_t * (32-bit pointer) */
2557 uint32_t classMethods; /* method_list_t * (32-bit pointer) */
2558 uint32_t optionalInstanceMethods; /* method_list_t * (32-bit pointer) */
2559 uint32_t optionalClassMethods; /* method_list_t * (32-bit pointer) */
2560 uint32_t instanceProperties; /* struct objc_property_list *
2564 struct ivar_list64_t {
2567 /* struct ivar64_t first; These structures follow inline */
2570 struct ivar_list32_t {
2573 /* struct ivar32_t first; These structures follow inline */
2577 uint64_t offset; /* uintptr_t * (64-bit pointer) */
2578 uint64_t name; /* const char * (64-bit pointer) */
2579 uint64_t type; /* const char * (64-bit pointer) */
2585 uint32_t offset; /* uintptr_t * (32-bit pointer) */
2586 uint32_t name; /* const char * (32-bit pointer) */
2587 uint32_t type; /* const char * (32-bit pointer) */
2592 struct objc_property_list64 {
2595 /* struct objc_property64 first; These structures follow inline */
2598 struct objc_property_list32 {
2601 /* struct objc_property32 first; These structures follow inline */
2604 struct objc_property64 {
2605 uint64_t name; /* const char * (64-bit pointer) */
2606 uint64_t attributes; /* const char * (64-bit pointer) */
2609 struct objc_property32 {
2610 uint32_t name; /* const char * (32-bit pointer) */
2611 uint32_t attributes; /* const char * (32-bit pointer) */
2614 struct category64_t {
2615 uint64_t name; /* const char * (64-bit pointer) */
2616 uint64_t cls; /* struct class_t * (64-bit pointer) */
2617 uint64_t instanceMethods; /* struct method_list_t * (64-bit pointer) */
2618 uint64_t classMethods; /* struct method_list_t * (64-bit pointer) */
2619 uint64_t protocols; /* struct protocol_list_t * (64-bit pointer) */
2620 uint64_t instanceProperties; /* struct objc_property_list *
2624 struct category32_t {
2625 uint32_t name; /* const char * (32-bit pointer) */
2626 uint32_t cls; /* struct class_t * (32-bit pointer) */
2627 uint32_t instanceMethods; /* struct method_list_t * (32-bit pointer) */
2628 uint32_t classMethods; /* struct method_list_t * (32-bit pointer) */
2629 uint32_t protocols; /* struct protocol_list_t * (32-bit pointer) */
2630 uint32_t instanceProperties; /* struct objc_property_list *
2634 struct objc_image_info64 {
2638 struct objc_image_info32 {
2642 struct imageInfo_t {
2646 /* masks for objc_image_info.flags */
2647 #define OBJC_IMAGE_IS_REPLACEMENT (1 << 0)
2648 #define OBJC_IMAGE_SUPPORTS_GC (1 << 1)
2650 struct message_ref64 {
2651 uint64_t imp; /* IMP (64-bit pointer) */
2652 uint64_t sel; /* SEL (64-bit pointer) */
2655 struct message_ref32 {
2656 uint32_t imp; /* IMP (32-bit pointer) */
2657 uint32_t sel; /* SEL (32-bit pointer) */
2660 // Objective-C 1 (32-bit only) meta data structs.
2662 struct objc_module_t {
2665 uint32_t name; /* char * (32-bit pointer) */
2666 uint32_t symtab; /* struct objc_symtab * (32-bit pointer) */
2669 struct objc_symtab_t {
2670 uint32_t sel_ref_cnt;
2671 uint32_t refs; /* SEL * (32-bit pointer) */
2672 uint16_t cls_def_cnt;
2673 uint16_t cat_def_cnt;
2674 // uint32_t defs[1]; /* void * (32-bit pointer) variable size */
2677 struct objc_class_t {
2678 uint32_t isa; /* struct objc_class * (32-bit pointer) */
2679 uint32_t super_class; /* struct objc_class * (32-bit pointer) */
2680 uint32_t name; /* const char * (32-bit pointer) */
2683 int32_t instance_size;
2684 uint32_t ivars; /* struct objc_ivar_list * (32-bit pointer) */
2685 uint32_t methodLists; /* struct objc_method_list ** (32-bit pointer) */
2686 uint32_t cache; /* struct objc_cache * (32-bit pointer) */
2687 uint32_t protocols; /* struct objc_protocol_list * (32-bit pointer) */
2690 #define CLS_GETINFO(cls, infomask) ((cls)->info & (infomask))
2691 // class is not a metaclass
2692 #define CLS_CLASS 0x1
2693 // class is a metaclass
2694 #define CLS_META 0x2
2696 struct objc_category_t {
2697 uint32_t category_name; /* char * (32-bit pointer) */
2698 uint32_t class_name; /* char * (32-bit pointer) */
2699 uint32_t instance_methods; /* struct objc_method_list * (32-bit pointer) */
2700 uint32_t class_methods; /* struct objc_method_list * (32-bit pointer) */
2701 uint32_t protocols; /* struct objc_protocol_list * (32-bit ptr) */
2704 struct objc_ivar_t {
2705 uint32_t ivar_name; /* char * (32-bit pointer) */
2706 uint32_t ivar_type; /* char * (32-bit pointer) */
2707 int32_t ivar_offset;
2710 struct objc_ivar_list_t {
2712 // struct objc_ivar_t ivar_list[1]; /* variable length structure */
2715 struct objc_method_list_t {
2716 uint32_t obsolete; /* struct objc_method_list * (32-bit pointer) */
2717 int32_t method_count;
2718 // struct objc_method_t method_list[1]; /* variable length structure */
2721 struct objc_method_t {
2722 uint32_t method_name; /* SEL, aka struct objc_selector * (32-bit pointer) */
2723 uint32_t method_types; /* char * (32-bit pointer) */
2724 uint32_t method_imp; /* IMP, aka function pointer, (*IMP)(id, SEL, ...)
2728 struct objc_protocol_list_t {
2729 uint32_t next; /* struct objc_protocol_list * (32-bit pointer) */
2731 // uint32_t list[1]; /* Protocol *, aka struct objc_protocol_t *
2732 // (32-bit pointer) */
2735 struct objc_protocol_t {
2736 uint32_t isa; /* struct objc_class * (32-bit pointer) */
2737 uint32_t protocol_name; /* char * (32-bit pointer) */
2738 uint32_t protocol_list; /* struct objc_protocol_list * (32-bit pointer) */
2739 uint32_t instance_methods; /* struct objc_method_description_list *
2741 uint32_t class_methods; /* struct objc_method_description_list *
2745 struct objc_method_description_list_t {
2747 // struct objc_method_description_t list[1];
2750 struct objc_method_description_t {
2751 uint32_t name; /* SEL, aka struct objc_selector * (32-bit pointer) */
2752 uint32_t types; /* char * (32-bit pointer) */
2755 inline void swapStruct(struct cfstring64_t &cfs) {
2756 sys::swapByteOrder(cfs.isa);
2757 sys::swapByteOrder(cfs.flags);
2758 sys::swapByteOrder(cfs.characters);
2759 sys::swapByteOrder(cfs.length);
2762 inline void swapStruct(struct class64_t &c) {
2763 sys::swapByteOrder(c.isa);
2764 sys::swapByteOrder(c.superclass);
2765 sys::swapByteOrder(c.cache);
2766 sys::swapByteOrder(c.vtable);
2767 sys::swapByteOrder(c.data);
2770 inline void swapStruct(struct class32_t &c) {
2771 sys::swapByteOrder(c.isa);
2772 sys::swapByteOrder(c.superclass);
2773 sys::swapByteOrder(c.cache);
2774 sys::swapByteOrder(c.vtable);
2775 sys::swapByteOrder(c.data);
2778 inline void swapStruct(struct class_ro64_t &cro) {
2779 sys::swapByteOrder(cro.flags);
2780 sys::swapByteOrder(cro.instanceStart);
2781 sys::swapByteOrder(cro.instanceSize);
2782 sys::swapByteOrder(cro.reserved);
2783 sys::swapByteOrder(cro.ivarLayout);
2784 sys::swapByteOrder(cro.name);
2785 sys::swapByteOrder(cro.baseMethods);
2786 sys::swapByteOrder(cro.baseProtocols);
2787 sys::swapByteOrder(cro.ivars);
2788 sys::swapByteOrder(cro.weakIvarLayout);
2789 sys::swapByteOrder(cro.baseProperties);
2792 inline void swapStruct(struct class_ro32_t &cro) {
2793 sys::swapByteOrder(cro.flags);
2794 sys::swapByteOrder(cro.instanceStart);
2795 sys::swapByteOrder(cro.instanceSize);
2796 sys::swapByteOrder(cro.ivarLayout);
2797 sys::swapByteOrder(cro.name);
2798 sys::swapByteOrder(cro.baseMethods);
2799 sys::swapByteOrder(cro.baseProtocols);
2800 sys::swapByteOrder(cro.ivars);
2801 sys::swapByteOrder(cro.weakIvarLayout);
2802 sys::swapByteOrder(cro.baseProperties);
2805 inline void swapStruct(struct method_list64_t &ml) {
2806 sys::swapByteOrder(ml.entsize);
2807 sys::swapByteOrder(ml.count);
2810 inline void swapStruct(struct method_list32_t &ml) {
2811 sys::swapByteOrder(ml.entsize);
2812 sys::swapByteOrder(ml.count);
2815 inline void swapStruct(struct method64_t &m) {
2816 sys::swapByteOrder(m.name);
2817 sys::swapByteOrder(m.types);
2818 sys::swapByteOrder(m.imp);
2821 inline void swapStruct(struct method32_t &m) {
2822 sys::swapByteOrder(m.name);
2823 sys::swapByteOrder(m.types);
2824 sys::swapByteOrder(m.imp);
2827 inline void swapStruct(struct protocol_list64_t &pl) {
2828 sys::swapByteOrder(pl.count);
2831 inline void swapStruct(struct protocol_list32_t &pl) {
2832 sys::swapByteOrder(pl.count);
2835 inline void swapStruct(struct protocol64_t &p) {
2836 sys::swapByteOrder(p.isa);
2837 sys::swapByteOrder(p.name);
2838 sys::swapByteOrder(p.protocols);
2839 sys::swapByteOrder(p.instanceMethods);
2840 sys::swapByteOrder(p.classMethods);
2841 sys::swapByteOrder(p.optionalInstanceMethods);
2842 sys::swapByteOrder(p.optionalClassMethods);
2843 sys::swapByteOrder(p.instanceProperties);
2846 inline void swapStruct(struct protocol32_t &p) {
2847 sys::swapByteOrder(p.isa);
2848 sys::swapByteOrder(p.name);
2849 sys::swapByteOrder(p.protocols);
2850 sys::swapByteOrder(p.instanceMethods);
2851 sys::swapByteOrder(p.classMethods);
2852 sys::swapByteOrder(p.optionalInstanceMethods);
2853 sys::swapByteOrder(p.optionalClassMethods);
2854 sys::swapByteOrder(p.instanceProperties);
2857 inline void swapStruct(struct ivar_list64_t &il) {
2858 sys::swapByteOrder(il.entsize);
2859 sys::swapByteOrder(il.count);
2862 inline void swapStruct(struct ivar_list32_t &il) {
2863 sys::swapByteOrder(il.entsize);
2864 sys::swapByteOrder(il.count);
2867 inline void swapStruct(struct ivar64_t &i) {
2868 sys::swapByteOrder(i.offset);
2869 sys::swapByteOrder(i.name);
2870 sys::swapByteOrder(i.type);
2871 sys::swapByteOrder(i.alignment);
2872 sys::swapByteOrder(i.size);
2875 inline void swapStruct(struct ivar32_t &i) {
2876 sys::swapByteOrder(i.offset);
2877 sys::swapByteOrder(i.name);
2878 sys::swapByteOrder(i.type);
2879 sys::swapByteOrder(i.alignment);
2880 sys::swapByteOrder(i.size);
2883 inline void swapStruct(struct objc_property_list64 &pl) {
2884 sys::swapByteOrder(pl.entsize);
2885 sys::swapByteOrder(pl.count);
2888 inline void swapStruct(struct objc_property_list32 &pl) {
2889 sys::swapByteOrder(pl.entsize);
2890 sys::swapByteOrder(pl.count);
2893 inline void swapStruct(struct objc_property64 &op) {
2894 sys::swapByteOrder(op.name);
2895 sys::swapByteOrder(op.attributes);
2898 inline void swapStruct(struct objc_property32 &op) {
2899 sys::swapByteOrder(op.name);
2900 sys::swapByteOrder(op.attributes);
2903 inline void swapStruct(struct category64_t &c) {
2904 sys::swapByteOrder(c.name);
2905 sys::swapByteOrder(c.cls);
2906 sys::swapByteOrder(c.instanceMethods);
2907 sys::swapByteOrder(c.classMethods);
2908 sys::swapByteOrder(c.protocols);
2909 sys::swapByteOrder(c.instanceProperties);
2912 inline void swapStruct(struct category32_t &c) {
2913 sys::swapByteOrder(c.name);
2914 sys::swapByteOrder(c.cls);
2915 sys::swapByteOrder(c.instanceMethods);
2916 sys::swapByteOrder(c.classMethods);
2917 sys::swapByteOrder(c.protocols);
2918 sys::swapByteOrder(c.instanceProperties);
2921 inline void swapStruct(struct objc_image_info64 &o) {
2922 sys::swapByteOrder(o.version);
2923 sys::swapByteOrder(o.flags);
2926 inline void swapStruct(struct objc_image_info32 &o) {
2927 sys::swapByteOrder(o.version);
2928 sys::swapByteOrder(o.flags);
2931 inline void swapStruct(struct imageInfo_t &o) {
2932 sys::swapByteOrder(o.version);
2933 sys::swapByteOrder(o.flags);
2936 inline void swapStruct(struct message_ref64 &mr) {
2937 sys::swapByteOrder(mr.imp);
2938 sys::swapByteOrder(mr.sel);
2941 inline void swapStruct(struct message_ref32 &mr) {
2942 sys::swapByteOrder(mr.imp);
2943 sys::swapByteOrder(mr.sel);
2946 inline void swapStruct(struct objc_module_t &module) {
2947 sys::swapByteOrder(module.version);
2948 sys::swapByteOrder(module.size);
2949 sys::swapByteOrder(module.name);
2950 sys::swapByteOrder(module.symtab);
2953 inline void swapStruct(struct objc_symtab_t &symtab) {
2954 sys::swapByteOrder(symtab.sel_ref_cnt);
2955 sys::swapByteOrder(symtab.refs);
2956 sys::swapByteOrder(symtab.cls_def_cnt);
2957 sys::swapByteOrder(symtab.cat_def_cnt);
2960 inline void swapStruct(struct objc_class_t &objc_class) {
2961 sys::swapByteOrder(objc_class.isa);
2962 sys::swapByteOrder(objc_class.super_class);
2963 sys::swapByteOrder(objc_class.name);
2964 sys::swapByteOrder(objc_class.version);
2965 sys::swapByteOrder(objc_class.info);
2966 sys::swapByteOrder(objc_class.instance_size);
2967 sys::swapByteOrder(objc_class.ivars);
2968 sys::swapByteOrder(objc_class.methodLists);
2969 sys::swapByteOrder(objc_class.cache);
2970 sys::swapByteOrder(objc_class.protocols);
2973 inline void swapStruct(struct objc_category_t &objc_category) {
2974 sys::swapByteOrder(objc_category.category_name);
2975 sys::swapByteOrder(objc_category.class_name);
2976 sys::swapByteOrder(objc_category.instance_methods);
2977 sys::swapByteOrder(objc_category.class_methods);
2978 sys::swapByteOrder(objc_category.protocols);
2981 inline void swapStruct(struct objc_ivar_list_t &objc_ivar_list) {
2982 sys::swapByteOrder(objc_ivar_list.ivar_count);
2985 inline void swapStruct(struct objc_ivar_t &objc_ivar) {
2986 sys::swapByteOrder(objc_ivar.ivar_name);
2987 sys::swapByteOrder(objc_ivar.ivar_type);
2988 sys::swapByteOrder(objc_ivar.ivar_offset);
2991 inline void swapStruct(struct objc_method_list_t &method_list) {
2992 sys::swapByteOrder(method_list.obsolete);
2993 sys::swapByteOrder(method_list.method_count);
2996 inline void swapStruct(struct objc_method_t &method) {
2997 sys::swapByteOrder(method.method_name);
2998 sys::swapByteOrder(method.method_types);
2999 sys::swapByteOrder(method.method_imp);
3002 inline void swapStruct(struct objc_protocol_list_t &protocol_list) {
3003 sys::swapByteOrder(protocol_list.next);
3004 sys::swapByteOrder(protocol_list.count);
3007 inline void swapStruct(struct objc_protocol_t &protocol) {
3008 sys::swapByteOrder(protocol.isa);
3009 sys::swapByteOrder(protocol.protocol_name);
3010 sys::swapByteOrder(protocol.protocol_list);
3011 sys::swapByteOrder(protocol.instance_methods);
3012 sys::swapByteOrder(protocol.class_methods);
3015 inline void swapStruct(struct objc_method_description_list_t &mdl) {
3016 sys::swapByteOrder(mdl.count);
3019 inline void swapStruct(struct objc_method_description_t &md) {
3020 sys::swapByteOrder(md.name);
3021 sys::swapByteOrder(md.types);
3024 static const char *get_dyld_bind_info_symbolname(uint64_t ReferenceValue,
3025 struct DisassembleInfo *info);
3027 // get_objc2_64bit_class_name() is used for disassembly and is passed a pointer
3028 // to an Objective-C class and returns the class name. It is also passed the
3029 // address of the pointer, so when the pointer is zero as it can be in an .o
3030 // file, that is used to look for an external relocation entry with a symbol
3032 static const char *get_objc2_64bit_class_name(uint64_t pointer_value,
3033 uint64_t ReferenceValue,
3034 struct DisassembleInfo *info) {
3036 uint32_t offset, left;
3039 // The pointer_value can be 0 in an object file and have a relocation
3040 // entry for the class symbol at the ReferenceValue (the address of the
3042 if (pointer_value == 0) {
3043 r = get_pointer_64(ReferenceValue, offset, left, S, info);
3044 if (r == nullptr || left < sizeof(uint64_t))
3047 const char *symbol_name = get_symbol_64(offset, S, info, n_value);
3048 if (symbol_name == nullptr)
3050 const char *class_name = strrchr(symbol_name, '$');
3051 if (class_name != nullptr && class_name[1] == '_' && class_name[2] != '\0')
3052 return class_name + 2;
3057 // The case were the pointer_value is non-zero and points to a class defined
3058 // in this Mach-O file.
3059 r = get_pointer_64(pointer_value, offset, left, S, info);
3060 if (r == nullptr || left < sizeof(struct class64_t))
3063 memcpy(&c, r, sizeof(struct class64_t));
3064 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
3068 r = get_pointer_64(c.data, offset, left, S, info);
3069 if (r == nullptr || left < sizeof(struct class_ro64_t))
3071 struct class_ro64_t cro;
3072 memcpy(&cro, r, sizeof(struct class_ro64_t));
3073 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
3077 const char *name = get_pointer_64(cro.name, offset, left, S, info);
3081 // get_objc2_64bit_cfstring_name is used for disassembly and is passed a
3082 // pointer to a cfstring and returns its name or nullptr.
3083 static const char *get_objc2_64bit_cfstring_name(uint64_t ReferenceValue,
3084 struct DisassembleInfo *info) {
3085 const char *r, *name;
3086 uint32_t offset, left;
3088 struct cfstring64_t cfs;
3089 uint64_t cfs_characters;
3091 r = get_pointer_64(ReferenceValue, offset, left, S, info);
3092 if (r == nullptr || left < sizeof(struct cfstring64_t))
3094 memcpy(&cfs, r, sizeof(struct cfstring64_t));
3095 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
3097 if (cfs.characters == 0) {
3099 const char *symbol_name = get_symbol_64(
3100 offset + offsetof(struct cfstring64_t, characters), S, info, n_value);
3101 if (symbol_name == nullptr)
3103 cfs_characters = n_value;
3105 cfs_characters = cfs.characters;
3106 name = get_pointer_64(cfs_characters, offset, left, S, info);
3111 // get_objc2_64bit_selref() is used for disassembly and is passed a the address
3112 // of a pointer to an Objective-C selector reference when the pointer value is
3113 // zero as in a .o file and is likely to have a external relocation entry with
3114 // who's symbol's n_value is the real pointer to the selector name. If that is
3115 // the case the real pointer to the selector name is returned else 0 is
3117 static uint64_t get_objc2_64bit_selref(uint64_t ReferenceValue,
3118 struct DisassembleInfo *info) {
3119 uint32_t offset, left;
3122 const char *r = get_pointer_64(ReferenceValue, offset, left, S, info);
3123 if (r == nullptr || left < sizeof(uint64_t))
3126 const char *symbol_name = get_symbol_64(offset, S, info, n_value);
3127 if (symbol_name == nullptr)
3132 static const SectionRef get_section(MachOObjectFile *O, const char *segname,
3133 const char *sectname) {
3134 for (const SectionRef &Section : O->sections()) {
3136 Section.getName(SectName);
3137 DataRefImpl Ref = Section.getRawDataRefImpl();
3138 StringRef SegName = O->getSectionFinalSegmentName(Ref);
3139 if (SegName == segname && SectName == sectname)
3142 return SectionRef();
3146 walk_pointer_list_64(const char *listname, const SectionRef S,
3147 MachOObjectFile *O, struct DisassembleInfo *info,
3148 void (*func)(uint64_t, struct DisassembleInfo *info)) {
3149 if (S == SectionRef())
3153 S.getName(SectName);
3154 DataRefImpl Ref = S.getRawDataRefImpl();
3155 StringRef SegName = O->getSectionFinalSegmentName(Ref);
3156 outs() << "Contents of (" << SegName << "," << SectName << ") section\n";
3159 S.getContents(BytesStr);
3160 const char *Contents = reinterpret_cast<const char *>(BytesStr.data());
3162 for (uint32_t i = 0; i < S.getSize(); i += sizeof(uint64_t)) {
3163 uint32_t left = S.getSize() - i;
3164 uint32_t size = left < sizeof(uint64_t) ? left : sizeof(uint64_t);
3166 memcpy(&p, Contents + i, size);
3167 if (i + sizeof(uint64_t) > S.getSize())
3168 outs() << listname << " list pointer extends past end of (" << SegName
3169 << "," << SectName << ") section\n";
3170 outs() << format("%016" PRIx64, S.getAddress() + i) << " ";
3172 if (O->isLittleEndian() != sys::IsLittleEndianHost)
3173 sys::swapByteOrder(p);
3175 uint64_t n_value = 0;
3176 const char *name = get_symbol_64(i, S, info, n_value, p);
3177 if (name == nullptr)
3178 name = get_dyld_bind_info_symbolname(S.getAddress() + i, info);
3181 outs() << format("0x%" PRIx64, n_value);
3183 outs() << " + " << format("0x%" PRIx64, p);
3185 outs() << format("0x%" PRIx64, p);
3186 if (name != nullptr)
3187 outs() << " " << name;
3197 walk_pointer_list_32(const char *listname, const SectionRef S,
3198 MachOObjectFile *O, struct DisassembleInfo *info,
3199 void (*func)(uint32_t, struct DisassembleInfo *info)) {
3200 if (S == SectionRef())
3204 S.getName(SectName);
3205 DataRefImpl Ref = S.getRawDataRefImpl();
3206 StringRef SegName = O->getSectionFinalSegmentName(Ref);
3207 outs() << "Contents of (" << SegName << "," << SectName << ") section\n";
3210 S.getContents(BytesStr);
3211 const char *Contents = reinterpret_cast<const char *>(BytesStr.data());
3213 for (uint32_t i = 0; i < S.getSize(); i += sizeof(uint32_t)) {
3214 uint32_t left = S.getSize() - i;
3215 uint32_t size = left < sizeof(uint32_t) ? left : sizeof(uint32_t);
3217 memcpy(&p, Contents + i, size);
3218 if (i + sizeof(uint32_t) > S.getSize())
3219 outs() << listname << " list pointer extends past end of (" << SegName
3220 << "," << SectName << ") section\n";
3221 uint32_t Address = S.getAddress() + i;
3222 outs() << format("%08" PRIx32, Address) << " ";
3224 if (O->isLittleEndian() != sys::IsLittleEndianHost)
3225 sys::swapByteOrder(p);
3226 outs() << format("0x%" PRIx32, p);
3228 const char *name = get_symbol_32(i, S, info, p);
3229 if (name != nullptr)
3230 outs() << " " << name;
3238 static void print_layout_map(const char *layout_map, uint32_t left) {
3239 if (layout_map == nullptr)
3241 outs() << " layout map: ";
3243 outs() << format("0x%02" PRIx32, (*layout_map) & 0xff) << " ";
3246 } while (*layout_map != '\0' && left != 0);
3250 static void print_layout_map64(uint64_t p, struct DisassembleInfo *info) {
3251 uint32_t offset, left;
3253 const char *layout_map;
3257 layout_map = get_pointer_64(p, offset, left, S, info);
3258 print_layout_map(layout_map, left);
3261 static void print_layout_map32(uint32_t p, struct DisassembleInfo *info) {
3262 uint32_t offset, left;
3264 const char *layout_map;
3268 layout_map = get_pointer_32(p, offset, left, S, info);
3269 print_layout_map(layout_map, left);
3272 static void print_method_list64_t(uint64_t p, struct DisassembleInfo *info,
3273 const char *indent) {
3274 struct method_list64_t ml;
3275 struct method64_t m;
3277 uint32_t offset, xoffset, left, i;
3279 const char *name, *sym_name;
3282 r = get_pointer_64(p, offset, left, S, info);
3285 memset(&ml, '\0', sizeof(struct method_list64_t));
3286 if (left < sizeof(struct method_list64_t)) {
3287 memcpy(&ml, r, left);
3288 outs() << " (method_list_t entends past the end of the section)\n";
3290 memcpy(&ml, r, sizeof(struct method_list64_t));
3291 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
3293 outs() << indent << "\t\t entsize " << ml.entsize << "\n";
3294 outs() << indent << "\t\t count " << ml.count << "\n";
3296 p += sizeof(struct method_list64_t);
3297 offset += sizeof(struct method_list64_t);
3298 for (i = 0; i < ml.count; i++) {
3299 r = get_pointer_64(p, offset, left, S, info);
3302 memset(&m, '\0', sizeof(struct method64_t));
3303 if (left < sizeof(struct method64_t)) {
3304 memcpy(&m, r, left);
3305 outs() << indent << " (method_t extends past the end of the section)\n";
3307 memcpy(&m, r, sizeof(struct method64_t));
3308 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
3311 outs() << indent << "\t\t name ";
3312 sym_name = get_symbol_64(offset + offsetof(struct method64_t, name), S,
3313 info, n_value, m.name);
3315 if (info->verbose && sym_name != nullptr)
3318 outs() << format("0x%" PRIx64, n_value);
3320 outs() << " + " << format("0x%" PRIx64, m.name);
3322 outs() << format("0x%" PRIx64, m.name);
3323 name = get_pointer_64(m.name + n_value, xoffset, left, xS, info);
3324 if (name != nullptr)
3325 outs() << format(" %.*s", left, name);
3328 outs() << indent << "\t\t types ";
3329 sym_name = get_symbol_64(offset + offsetof(struct method64_t, types), S,
3330 info, n_value, m.types);
3332 if (info->verbose && sym_name != nullptr)
3335 outs() << format("0x%" PRIx64, n_value);
3337 outs() << " + " << format("0x%" PRIx64, m.types);
3339 outs() << format("0x%" PRIx64, m.types);
3340 name = get_pointer_64(m.types + n_value, xoffset, left, xS, info);
3341 if (name != nullptr)
3342 outs() << format(" %.*s", left, name);
3345 outs() << indent << "\t\t imp ";
3346 name = get_symbol_64(offset + offsetof(struct method64_t, imp), S, info,
3348 if (info->verbose && name == nullptr) {
3350 outs() << format("0x%" PRIx64, n_value) << " ";
3352 outs() << "+ " << format("0x%" PRIx64, m.imp) << " ";
3354 outs() << format("0x%" PRIx64, m.imp) << " ";
3356 if (name != nullptr)
3360 p += sizeof(struct method64_t);
3361 offset += sizeof(struct method64_t);
3365 static void print_method_list32_t(uint64_t p, struct DisassembleInfo *info,
3366 const char *indent) {
3367 struct method_list32_t ml;
3368 struct method32_t m;
3369 const char *r, *name;
3370 uint32_t offset, xoffset, left, i;
3373 r = get_pointer_32(p, offset, left, S, info);
3376 memset(&ml, '\0', sizeof(struct method_list32_t));
3377 if (left < sizeof(struct method_list32_t)) {
3378 memcpy(&ml, r, left);
3379 outs() << " (method_list_t entends past the end of the section)\n";
3381 memcpy(&ml, r, sizeof(struct method_list32_t));
3382 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
3384 outs() << indent << "\t\t entsize " << ml.entsize << "\n";
3385 outs() << indent << "\t\t count " << ml.count << "\n";
3387 p += sizeof(struct method_list32_t);
3388 offset += sizeof(struct method_list32_t);
3389 for (i = 0; i < ml.count; i++) {
3390 r = get_pointer_32(p, offset, left, S, info);
3393 memset(&m, '\0', sizeof(struct method32_t));
3394 if (left < sizeof(struct method32_t)) {
3395 memcpy(&ml, r, left);
3396 outs() << indent << " (method_t entends past the end of the section)\n";
3398 memcpy(&m, r, sizeof(struct method32_t));
3399 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
3402 outs() << indent << "\t\t name " << format("0x%" PRIx32, m.name);
3403 name = get_pointer_32(m.name, xoffset, left, xS, info);
3404 if (name != nullptr)
3405 outs() << format(" %.*s", left, name);
3408 outs() << indent << "\t\t types " << format("0x%" PRIx32, m.types);
3409 name = get_pointer_32(m.types, xoffset, left, xS, info);
3410 if (name != nullptr)
3411 outs() << format(" %.*s", left, name);
3414 outs() << indent << "\t\t imp " << format("0x%" PRIx32, m.imp);
3415 name = get_symbol_32(offset + offsetof(struct method32_t, imp), S, info,
3417 if (name != nullptr)
3418 outs() << " " << name;
3421 p += sizeof(struct method32_t);
3422 offset += sizeof(struct method32_t);
3426 static bool print_method_list(uint32_t p, struct DisassembleInfo *info) {
3427 uint32_t offset, left, xleft;
3429 struct objc_method_list_t method_list;
3430 struct objc_method_t method;
3431 const char *r, *methods, *name, *SymbolName;
3434 r = get_pointer_32(p, offset, left, S, info, true);
3439 if (left > sizeof(struct objc_method_list_t)) {
3440 memcpy(&method_list, r, sizeof(struct objc_method_list_t));
3442 outs() << "\t\t objc_method_list extends past end of the section\n";
3443 memset(&method_list, '\0', sizeof(struct objc_method_list_t));
3444 memcpy(&method_list, r, left);
3446 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
3447 swapStruct(method_list);
3449 outs() << "\t\t obsolete "
3450 << format("0x%08" PRIx32, method_list.obsolete) << "\n";
3451 outs() << "\t\t method_count " << method_list.method_count << "\n";
3453 methods = r + sizeof(struct objc_method_list_t);
3454 for (i = 0; i < method_list.method_count; i++) {
3455 if ((i + 1) * sizeof(struct objc_method_t) > left) {
3456 outs() << "\t\t remaining method's extend past the of the section\n";
3459 memcpy(&method, methods + i * sizeof(struct objc_method_t),
3460 sizeof(struct objc_method_t));
3461 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
3464 outs() << "\t\t method_name "
3465 << format("0x%08" PRIx32, method.method_name);
3466 if (info->verbose) {
3467 name = get_pointer_32(method.method_name, offset, xleft, S, info, true);
3468 if (name != nullptr)
3469 outs() << format(" %.*s", xleft, name);
3471 outs() << " (not in an __OBJC section)";
3475 outs() << "\t\t method_types "
3476 << format("0x%08" PRIx32, method.method_types);
3477 if (info->verbose) {
3478 name = get_pointer_32(method.method_types, offset, xleft, S, info, true);
3479 if (name != nullptr)
3480 outs() << format(" %.*s", xleft, name);
3482 outs() << " (not in an __OBJC section)";
3486 outs() << "\t\t method_imp "
3487 << format("0x%08" PRIx32, method.method_imp) << " ";
3488 if (info->verbose) {
3489 SymbolName = GuessSymbolName(method.method_imp, info->AddrMap);
3490 if (SymbolName != nullptr)
3491 outs() << SymbolName;
3498 static void print_protocol_list64_t(uint64_t p, struct DisassembleInfo *info) {
3499 struct protocol_list64_t pl;
3500 uint64_t q, n_value;
3501 struct protocol64_t pc;
3503 uint32_t offset, xoffset, left, i;
3505 const char *name, *sym_name;
3507 r = get_pointer_64(p, offset, left, S, info);
3510 memset(&pl, '\0', sizeof(struct protocol_list64_t));
3511 if (left < sizeof(struct protocol_list64_t)) {
3512 memcpy(&pl, r, left);
3513 outs() << " (protocol_list_t entends past the end of the section)\n";
3515 memcpy(&pl, r, sizeof(struct protocol_list64_t));
3516 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
3518 outs() << " count " << pl.count << "\n";
3520 p += sizeof(struct protocol_list64_t);
3521 offset += sizeof(struct protocol_list64_t);
3522 for (i = 0; i < pl.count; i++) {
3523 r = get_pointer_64(p, offset, left, S, info);
3527 if (left < sizeof(uint64_t)) {
3528 memcpy(&q, r, left);
3529 outs() << " (protocol_t * entends past the end of the section)\n";
3531 memcpy(&q, r, sizeof(uint64_t));
3532 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
3533 sys::swapByteOrder(q);
3535 outs() << "\t\t list[" << i << "] ";
3536 sym_name = get_symbol_64(offset, S, info, n_value, q);
3538 if (info->verbose && sym_name != nullptr)
3541 outs() << format("0x%" PRIx64, n_value);
3543 outs() << " + " << format("0x%" PRIx64, q);
3545 outs() << format("0x%" PRIx64, q);
3546 outs() << " (struct protocol_t *)\n";
3548 r = get_pointer_64(q + n_value, offset, left, S, info);
3551 memset(&pc, '\0', sizeof(struct protocol64_t));
3552 if (left < sizeof(struct protocol64_t)) {
3553 memcpy(&pc, r, left);
3554 outs() << " (protocol_t entends past the end of the section)\n";
3556 memcpy(&pc, r, sizeof(struct protocol64_t));
3557 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
3560 outs() << "\t\t\t isa " << format("0x%" PRIx64, pc.isa) << "\n";
3562 outs() << "\t\t\t name ";
3563 sym_name = get_symbol_64(offset + offsetof(struct protocol64_t, name), S,
3564 info, n_value, pc.name);
3566 if (info->verbose && sym_name != nullptr)
3569 outs() << format("0x%" PRIx64, n_value);
3571 outs() << " + " << format("0x%" PRIx64, pc.name);
3573 outs() << format("0x%" PRIx64, pc.name);
3574 name = get_pointer_64(pc.name + n_value, xoffset, left, xS, info);
3575 if (name != nullptr)
3576 outs() << format(" %.*s", left, name);
3579 outs() << "\t\t\tprotocols " << format("0x%" PRIx64, pc.protocols) << "\n";
3581 outs() << "\t\t instanceMethods ";
3583 get_symbol_64(offset + offsetof(struct protocol64_t, instanceMethods),
3584 S, info, n_value, pc.instanceMethods);
3586 if (info->verbose && sym_name != nullptr)
3589 outs() << format("0x%" PRIx64, n_value);
3590 if (pc.instanceMethods != 0)
3591 outs() << " + " << format("0x%" PRIx64, pc.instanceMethods);
3593 outs() << format("0x%" PRIx64, pc.instanceMethods);
3594 outs() << " (struct method_list_t *)\n";
3595 if (pc.instanceMethods + n_value != 0)
3596 print_method_list64_t(pc.instanceMethods + n_value, info, "\t");
3598 outs() << "\t\t classMethods ";
3600 get_symbol_64(offset + offsetof(struct protocol64_t, classMethods), S,
3601 info, n_value, pc.classMethods);
3603 if (info->verbose && sym_name != nullptr)
3606 outs() << format("0x%" PRIx64, n_value);
3607 if (pc.classMethods != 0)
3608 outs() << " + " << format("0x%" PRIx64, pc.classMethods);
3610 outs() << format("0x%" PRIx64, pc.classMethods);
3611 outs() << " (struct method_list_t *)\n";
3612 if (pc.classMethods + n_value != 0)
3613 print_method_list64_t(pc.classMethods + n_value, info, "\t");
3615 outs() << "\t optionalInstanceMethods "
3616 << format("0x%" PRIx64, pc.optionalInstanceMethods) << "\n";
3617 outs() << "\t optionalClassMethods "
3618 << format("0x%" PRIx64, pc.optionalClassMethods) << "\n";
3619 outs() << "\t instanceProperties "
3620 << format("0x%" PRIx64, pc.instanceProperties) << "\n";
3622 p += sizeof(uint64_t);
3623 offset += sizeof(uint64_t);
3627 static void print_protocol_list32_t(uint32_t p, struct DisassembleInfo *info) {
3628 struct protocol_list32_t pl;
3630 struct protocol32_t pc;
3632 uint32_t offset, xoffset, left, i;
3636 r = get_pointer_32(p, offset, left, S, info);
3639 memset(&pl, '\0', sizeof(struct protocol_list32_t));
3640 if (left < sizeof(struct protocol_list32_t)) {
3641 memcpy(&pl, r, left);
3642 outs() << " (protocol_list_t entends past the end of the section)\n";
3644 memcpy(&pl, r, sizeof(struct protocol_list32_t));
3645 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
3647 outs() << " count " << pl.count << "\n";
3649 p += sizeof(struct protocol_list32_t);
3650 offset += sizeof(struct protocol_list32_t);
3651 for (i = 0; i < pl.count; i++) {
3652 r = get_pointer_32(p, offset, left, S, info);
3656 if (left < sizeof(uint32_t)) {
3657 memcpy(&q, r, left);
3658 outs() << " (protocol_t * entends past the end of the section)\n";
3660 memcpy(&q, r, sizeof(uint32_t));
3661 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
3662 sys::swapByteOrder(q);
3663 outs() << "\t\t list[" << i << "] " << format("0x%" PRIx32, q)
3664 << " (struct protocol_t *)\n";
3665 r = get_pointer_32(q, offset, left, S, info);
3668 memset(&pc, '\0', sizeof(struct protocol32_t));
3669 if (left < sizeof(struct protocol32_t)) {
3670 memcpy(&pc, r, left);
3671 outs() << " (protocol_t entends past the end of the section)\n";
3673 memcpy(&pc, r, sizeof(struct protocol32_t));
3674 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
3676 outs() << "\t\t\t isa " << format("0x%" PRIx32, pc.isa) << "\n";
3677 outs() << "\t\t\t name " << format("0x%" PRIx32, pc.name);
3678 name = get_pointer_32(pc.name, xoffset, left, xS, info);
3679 if (name != nullptr)
3680 outs() << format(" %.*s", left, name);
3682 outs() << "\t\t\tprotocols " << format("0x%" PRIx32, pc.protocols) << "\n";
3683 outs() << "\t\t instanceMethods "
3684 << format("0x%" PRIx32, pc.instanceMethods)
3685 << " (struct method_list_t *)\n";
3686 if (pc.instanceMethods != 0)
3687 print_method_list32_t(pc.instanceMethods, info, "\t");
3688 outs() << "\t\t classMethods " << format("0x%" PRIx32, pc.classMethods)
3689 << " (struct method_list_t *)\n";
3690 if (pc.classMethods != 0)
3691 print_method_list32_t(pc.classMethods, info, "\t");
3692 outs() << "\t optionalInstanceMethods "
3693 << format("0x%" PRIx32, pc.optionalInstanceMethods) << "\n";
3694 outs() << "\t optionalClassMethods "
3695 << format("0x%" PRIx32, pc.optionalClassMethods) << "\n";
3696 outs() << "\t instanceProperties "
3697 << format("0x%" PRIx32, pc.instanceProperties) << "\n";
3698 p += sizeof(uint32_t);
3699 offset += sizeof(uint32_t);
3703 static void print_indent(uint32_t indent) {
3704 for (uint32_t i = 0; i < indent;) {
3705 if (indent - i >= 8) {
3709 for (uint32_t j = i; j < indent; j++)
3716 static bool print_method_description_list(uint32_t p, uint32_t indent,
3717 struct DisassembleInfo *info) {
3718 uint32_t offset, left, xleft;
3720 struct objc_method_description_list_t mdl;
3721 struct objc_method_description_t md;
3722 const char *r, *list, *name;
3725 r = get_pointer_32(p, offset, left, S, info, true);
3730 if (left > sizeof(struct objc_method_description_list_t)) {
3731 memcpy(&mdl, r, sizeof(struct objc_method_description_list_t));
3733 print_indent(indent);
3734 outs() << " objc_method_description_list extends past end of the section\n";
3735 memset(&mdl, '\0', sizeof(struct objc_method_description_list_t));
3736 memcpy(&mdl, r, left);
3738 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
3741 print_indent(indent);
3742 outs() << " count " << mdl.count << "\n";
3744 list = r + sizeof(struct objc_method_description_list_t);
3745 for (i = 0; i < mdl.count; i++) {
3746 if ((i + 1) * sizeof(struct objc_method_description_t) > left) {
3747 print_indent(indent);
3748 outs() << " remaining list entries extend past the of the section\n";
3751 print_indent(indent);
3752 outs() << " list[" << i << "]\n";
3753 memcpy(&md, list + i * sizeof(struct objc_method_description_t),
3754 sizeof(struct objc_method_description_t));
3755 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
3758 print_indent(indent);
3759 outs() << " name " << format("0x%08" PRIx32, md.name);
3760 if (info->verbose) {
3761 name = get_pointer_32(md.name, offset, xleft, S, info, true);
3762 if (name != nullptr)
3763 outs() << format(" %.*s", xleft, name);
3765 outs() << " (not in an __OBJC section)";
3769 print_indent(indent);
3770 outs() << " types " << format("0x%08" PRIx32, md.types);
3771 if (info->verbose) {
3772 name = get_pointer_32(md.types, offset, xleft, S, info, true);
3773 if (name != nullptr)
3774 outs() << format(" %.*s", xleft, name);
3776 outs() << " (not in an __OBJC section)";
3783 static bool print_protocol_list(uint32_t p, uint32_t indent,
3784 struct DisassembleInfo *info);
3786 static bool print_protocol(uint32_t p, uint32_t indent,
3787 struct DisassembleInfo *info) {
3788 uint32_t offset, left;
3790 struct objc_protocol_t protocol;
3791 const char *r, *name;
3793 r = get_pointer_32(p, offset, left, S, info, true);
3798 if (left >= sizeof(struct objc_protocol_t)) {
3799 memcpy(&protocol, r, sizeof(struct objc_protocol_t));
3801 print_indent(indent);
3802 outs() << " Protocol extends past end of the section\n";
3803 memset(&protocol, '\0', sizeof(struct objc_protocol_t));
3804 memcpy(&protocol, r, left);
3806 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
3807 swapStruct(protocol);
3809 print_indent(indent);
3810 outs() << " isa " << format("0x%08" PRIx32, protocol.isa)
3813 print_indent(indent);
3814 outs() << " protocol_name "
3815 << format("0x%08" PRIx32, protocol.protocol_name);
3816 if (info->verbose) {
3817 name = get_pointer_32(protocol.protocol_name, offset, left, S, info, true);
3818 if (name != nullptr)
3819 outs() << format(" %.*s", left, name);
3821 outs() << " (not in an __OBJC section)";
3825 print_indent(indent);
3826 outs() << " protocol_list "
3827 << format("0x%08" PRIx32, protocol.protocol_list);
3828 if (print_protocol_list(protocol.protocol_list, indent + 4, info))
3829 outs() << " (not in an __OBJC section)\n";
3831 print_indent(indent);
3832 outs() << " instance_methods "
3833 << format("0x%08" PRIx32, protocol.instance_methods);
3834 if (print_method_description_list(protocol.instance_methods, indent, info))
3835 outs() << " (not in an __OBJC section)\n";
3837 print_indent(indent);
3838 outs() << " class_methods "
3839 << format("0x%08" PRIx32, protocol.class_methods);
3840 if (print_method_description_list(protocol.class_methods, indent, info))
3841 outs() << " (not in an __OBJC section)\n";
3846 static bool print_protocol_list(uint32_t p, uint32_t indent,
3847 struct DisassembleInfo *info) {
3848 uint32_t offset, left, l;
3850 struct objc_protocol_list_t protocol_list;
3851 const char *r, *list;
3854 r = get_pointer_32(p, offset, left, S, info, true);
3859 if (left > sizeof(struct objc_protocol_list_t)) {
3860 memcpy(&protocol_list, r, sizeof(struct objc_protocol_list_t));
3862 outs() << "\t\t objc_protocol_list_t extends past end of the section\n";
3863 memset(&protocol_list, '\0', sizeof(struct objc_protocol_list_t));
3864 memcpy(&protocol_list, r, left);
3866 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
3867 swapStruct(protocol_list);
3869 print_indent(indent);
3870 outs() << " next " << format("0x%08" PRIx32, protocol_list.next)
3872 print_indent(indent);
3873 outs() << " count " << protocol_list.count << "\n";
3875 list = r + sizeof(struct objc_protocol_list_t);
3876 for (i = 0; i < protocol_list.count; i++) {
3877 if ((i + 1) * sizeof(uint32_t) > left) {
3878 outs() << "\t\t remaining list entries extend past the of the section\n";
3881 memcpy(&l, list + i * sizeof(uint32_t), sizeof(uint32_t));
3882 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
3883 sys::swapByteOrder(l);
3885 print_indent(indent);
3886 outs() << " list[" << i << "] " << format("0x%08" PRIx32, l);
3887 if (print_protocol(l, indent, info))
3888 outs() << "(not in an __OBJC section)\n";
3893 static void print_ivar_list64_t(uint64_t p, struct DisassembleInfo *info) {
3894 struct ivar_list64_t il;
3897 uint32_t offset, xoffset, left, j;
3899 const char *name, *sym_name, *ivar_offset_p;
3900 uint64_t ivar_offset, n_value;
3902 r = get_pointer_64(p, offset, left, S, info);
3905 memset(&il, '\0', sizeof(struct ivar_list64_t));
3906 if (left < sizeof(struct ivar_list64_t)) {
3907 memcpy(&il, r, left);
3908 outs() << " (ivar_list_t entends past the end of the section)\n";
3910 memcpy(&il, r, sizeof(struct ivar_list64_t));
3911 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
3913 outs() << " entsize " << il.entsize << "\n";
3914 outs() << " count " << il.count << "\n";
3916 p += sizeof(struct ivar_list64_t);
3917 offset += sizeof(struct ivar_list64_t);
3918 for (j = 0; j < il.count; j++) {
3919 r = get_pointer_64(p, offset, left, S, info);
3922 memset(&i, '\0', sizeof(struct ivar64_t));
3923 if (left < sizeof(struct ivar64_t)) {
3924 memcpy(&i, r, left);
3925 outs() << " (ivar_t entends past the end of the section)\n";
3927 memcpy(&i, r, sizeof(struct ivar64_t));
3928 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
3931 outs() << "\t\t\t offset ";
3932 sym_name = get_symbol_64(offset + offsetof(struct ivar64_t, offset), S,
3933 info, n_value, i.offset);
3935 if (info->verbose && sym_name != nullptr)
3938 outs() << format("0x%" PRIx64, n_value);
3940 outs() << " + " << format("0x%" PRIx64, i.offset);
3942 outs() << format("0x%" PRIx64, i.offset);
3943 ivar_offset_p = get_pointer_64(i.offset + n_value, xoffset, left, xS, info);
3944 if (ivar_offset_p != nullptr && left >= sizeof(*ivar_offset_p)) {
3945 memcpy(&ivar_offset, ivar_offset_p, sizeof(ivar_offset));
3946 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
3947 sys::swapByteOrder(ivar_offset);
3948 outs() << " " << ivar_offset << "\n";
3952 outs() << "\t\t\t name ";
3953 sym_name = get_symbol_64(offset + offsetof(struct ivar64_t, name), S, info,
3956 if (info->verbose && sym_name != nullptr)
3959 outs() << format("0x%" PRIx64, n_value);
3961 outs() << " + " << format("0x%" PRIx64, i.name);
3963 outs() << format("0x%" PRIx64, i.name);
3964 name = get_pointer_64(i.name + n_value, xoffset, left, xS, info);
3965 if (name != nullptr)
3966 outs() << format(" %.*s", left, name);
3969 outs() << "\t\t\t type ";
3970 sym_name = get_symbol_64(offset + offsetof(struct ivar64_t, type), S, info,
3972 name = get_pointer_64(i.type + n_value, xoffset, left, xS, info);
3974 if (info->verbose && sym_name != nullptr)
3977 outs() << format("0x%" PRIx64, n_value);
3979 outs() << " + " << format("0x%" PRIx64, i.type);
3981 outs() << format("0x%" PRIx64, i.type);
3982 if (name != nullptr)
3983 outs() << format(" %.*s", left, name);
3986 outs() << "\t\t\talignment " << i.alignment << "\n";
3987 outs() << "\t\t\t size " << i.size << "\n";
3989 p += sizeof(struct ivar64_t);
3990 offset += sizeof(struct ivar64_t);
3994 static void print_ivar_list32_t(uint32_t p, struct DisassembleInfo *info) {
3995 struct ivar_list32_t il;
3998 uint32_t offset, xoffset, left, j;
4000 const char *name, *ivar_offset_p;
4001 uint32_t ivar_offset;
4003 r = get_pointer_32(p, offset, left, S, info);
4006 memset(&il, '\0', sizeof(struct ivar_list32_t));
4007 if (left < sizeof(struct ivar_list32_t)) {
4008 memcpy(&il, r, left);
4009 outs() << " (ivar_list_t entends past the end of the section)\n";
4011 memcpy(&il, r, sizeof(struct ivar_list32_t));
4012 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
4014 outs() << " entsize " << il.entsize << "\n";
4015 outs() << " count " << il.count << "\n";
4017 p += sizeof(struct ivar_list32_t);
4018 offset += sizeof(struct ivar_list32_t);
4019 for (j = 0; j < il.count; j++) {
4020 r = get_pointer_32(p, offset, left, S, info);
4023 memset(&i, '\0', sizeof(struct ivar32_t));
4024 if (left < sizeof(struct ivar32_t)) {
4025 memcpy(&i, r, left);
4026 outs() << " (ivar_t entends past the end of the section)\n";
4028 memcpy(&i, r, sizeof(struct ivar32_t));
4029 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
4032 outs() << "\t\t\t offset " << format("0x%" PRIx32, i.offset);
4033 ivar_offset_p = get_pointer_32(i.offset, xoffset, left, xS, info);
4034 if (ivar_offset_p != nullptr && left >= sizeof(*ivar_offset_p)) {
4035 memcpy(&ivar_offset, ivar_offset_p, sizeof(ivar_offset));
4036 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
4037 sys::swapByteOrder(ivar_offset);
4038 outs() << " " << ivar_offset << "\n";
4042 outs() << "\t\t\t name " << format("0x%" PRIx32, i.name);
4043 name = get_pointer_32(i.name, xoffset, left, xS, info);
4044 if (name != nullptr)
4045 outs() << format(" %.*s", left, name);
4048 outs() << "\t\t\t type " << format("0x%" PRIx32, i.type);
4049 name = get_pointer_32(i.type, xoffset, left, xS, info);
4050 if (name != nullptr)
4051 outs() << format(" %.*s", left, name);
4054 outs() << "\t\t\talignment " << i.alignment << "\n";
4055 outs() << "\t\t\t size " << i.size << "\n";
4057 p += sizeof(struct ivar32_t);
4058 offset += sizeof(struct ivar32_t);
4062 static void print_objc_property_list64(uint64_t p,
4063 struct DisassembleInfo *info) {
4064 struct objc_property_list64 opl;
4065 struct objc_property64 op;
4067 uint32_t offset, xoffset, left, j;
4069 const char *name, *sym_name;
4072 r = get_pointer_64(p, offset, left, S, info);
4075 memset(&opl, '\0', sizeof(struct objc_property_list64));
4076 if (left < sizeof(struct objc_property_list64)) {
4077 memcpy(&opl, r, left);
4078 outs() << " (objc_property_list entends past the end of the section)\n";
4080 memcpy(&opl, r, sizeof(struct objc_property_list64));
4081 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
4083 outs() << " entsize " << opl.entsize << "\n";
4084 outs() << " count " << opl.count << "\n";
4086 p += sizeof(struct objc_property_list64);
4087 offset += sizeof(struct objc_property_list64);
4088 for (j = 0; j < opl.count; j++) {
4089 r = get_pointer_64(p, offset, left, S, info);
4092 memset(&op, '\0', sizeof(struct objc_property64));
4093 if (left < sizeof(struct objc_property64)) {
4094 memcpy(&op, r, left);
4095 outs() << " (objc_property entends past the end of the section)\n";
4097 memcpy(&op, r, sizeof(struct objc_property64));
4098 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
4101 outs() << "\t\t\t name ";
4102 sym_name = get_symbol_64(offset + offsetof(struct objc_property64, name), S,
4103 info, n_value, op.name);
4105 if (info->verbose && sym_name != nullptr)
4108 outs() << format("0x%" PRIx64, n_value);
4110 outs() << " + " << format("0x%" PRIx64, op.name);
4112 outs() << format("0x%" PRIx64, op.name);
4113 name = get_pointer_64(op.name + n_value, xoffset, left, xS, info);
4114 if (name != nullptr)
4115 outs() << format(" %.*s", left, name);
4118 outs() << "\t\t\tattributes ";
4120 get_symbol_64(offset + offsetof(struct objc_property64, attributes), S,
4121 info, n_value, op.attributes);
4123 if (info->verbose && sym_name != nullptr)
4126 outs() << format("0x%" PRIx64, n_value);
4127 if (op.attributes != 0)
4128 outs() << " + " << format("0x%" PRIx64, op.attributes);
4130 outs() << format("0x%" PRIx64, op.attributes);
4131 name = get_pointer_64(op.attributes + n_value, xoffset, left, xS, info);
4132 if (name != nullptr)
4133 outs() << format(" %.*s", left, name);
4136 p += sizeof(struct objc_property64);
4137 offset += sizeof(struct objc_property64);
4141 static void print_objc_property_list32(uint32_t p,
4142 struct DisassembleInfo *info) {
4143 struct objc_property_list32 opl;
4144 struct objc_property32 op;
4146 uint32_t offset, xoffset, left, j;
4150 r = get_pointer_32(p, offset, left, S, info);
4153 memset(&opl, '\0', sizeof(struct objc_property_list32));
4154 if (left < sizeof(struct objc_property_list32)) {
4155 memcpy(&opl, r, left);
4156 outs() << " (objc_property_list entends past the end of the section)\n";
4158 memcpy(&opl, r, sizeof(struct objc_property_list32));
4159 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
4161 outs() << " entsize " << opl.entsize << "\n";
4162 outs() << " count " << opl.count << "\n";
4164 p += sizeof(struct objc_property_list32);
4165 offset += sizeof(struct objc_property_list32);
4166 for (j = 0; j < opl.count; j++) {
4167 r = get_pointer_32(p, offset, left, S, info);
4170 memset(&op, '\0', sizeof(struct objc_property32));
4171 if (left < sizeof(struct objc_property32)) {
4172 memcpy(&op, r, left);
4173 outs() << " (objc_property entends past the end of the section)\n";
4175 memcpy(&op, r, sizeof(struct objc_property32));
4176 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
4179 outs() << "\t\t\t name " << format("0x%" PRIx32, op.name);
4180 name = get_pointer_32(op.name, xoffset, left, xS, info);
4181 if (name != nullptr)
4182 outs() << format(" %.*s", left, name);
4185 outs() << "\t\t\tattributes " << format("0x%" PRIx32, op.attributes);
4186 name = get_pointer_32(op.attributes, xoffset, left, xS, info);
4187 if (name != nullptr)
4188 outs() << format(" %.*s", left, name);
4191 p += sizeof(struct objc_property32);
4192 offset += sizeof(struct objc_property32);
4196 static void print_class_ro64_t(uint64_t p, struct DisassembleInfo *info,
4197 bool &is_meta_class) {
4198 struct class_ro64_t cro;
4200 uint32_t offset, xoffset, left;
4202 const char *name, *sym_name;
4205 r = get_pointer_64(p, offset, left, S, info);
4206 if (r == nullptr || left < sizeof(struct class_ro64_t))
4208 memset(&cro, '\0', sizeof(struct class_ro64_t));
4209 if (left < sizeof(struct class_ro64_t)) {
4210 memcpy(&cro, r, left);
4211 outs() << " (class_ro_t entends past the end of the section)\n";
4213 memcpy(&cro, r, sizeof(struct class_ro64_t));
4214 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
4216 outs() << " flags " << format("0x%" PRIx32, cro.flags);
4217 if (cro.flags & RO_META)
4218 outs() << " RO_META";
4219 if (cro.flags & RO_ROOT)
4220 outs() << " RO_ROOT";
4221 if (cro.flags & RO_HAS_CXX_STRUCTORS)
4222 outs() << " RO_HAS_CXX_STRUCTORS";
4224 outs() << " instanceStart " << cro.instanceStart << "\n";
4225 outs() << " instanceSize " << cro.instanceSize << "\n";
4226 outs() << " reserved " << format("0x%" PRIx32, cro.reserved)
4228 outs() << " ivarLayout " << format("0x%" PRIx64, cro.ivarLayout)
4230 print_layout_map64(cro.ivarLayout, info);
4233 sym_name = get_symbol_64(offset + offsetof(struct class_ro64_t, name), S,
4234 info, n_value, cro.name);
4236 if (info->verbose && sym_name != nullptr)
4239 outs() << format("0x%" PRIx64, n_value);
4241 outs() << " + " << format("0x%" PRIx64, cro.name);
4243 outs() << format("0x%" PRIx64, cro.name);
4244 name = get_pointer_64(cro.name + n_value, xoffset, left, xS, info);
4245 if (name != nullptr)
4246 outs() << format(" %.*s", left, name);
4249 outs() << " baseMethods ";
4250 sym_name = get_symbol_64(offset + offsetof(struct class_ro64_t, baseMethods),
4251 S, info, n_value, cro.baseMethods);
4253 if (info->verbose && sym_name != nullptr)
4256 outs() << format("0x%" PRIx64, n_value);
4257 if (cro.baseMethods != 0)
4258 outs() << " + " << format("0x%" PRIx64, cro.baseMethods);
4260 outs() << format("0x%" PRIx64, cro.baseMethods);
4261 outs() << " (struct method_list_t *)\n";
4262 if (cro.baseMethods + n_value != 0)
4263 print_method_list64_t(cro.baseMethods + n_value, info, "");
4265 outs() << " baseProtocols ";
4267 get_symbol_64(offset + offsetof(struct class_ro64_t, baseProtocols), S,
4268 info, n_value, cro.baseProtocols);
4270 if (info->verbose && sym_name != nullptr)
4273 outs() << format("0x%" PRIx64, n_value);
4274 if (cro.baseProtocols != 0)
4275 outs() << " + " << format("0x%" PRIx64, cro.baseProtocols);
4277 outs() << format("0x%" PRIx64, cro.baseProtocols);
4279 if (cro.baseProtocols + n_value != 0)
4280 print_protocol_list64_t(cro.baseProtocols + n_value, info);
4282 outs() << " ivars ";
4283 sym_name = get_symbol_64(offset + offsetof(struct class_ro64_t, ivars), S,
4284 info, n_value, cro.ivars);
4286 if (info->verbose && sym_name != nullptr)
4289 outs() << format("0x%" PRIx64, n_value);
4291 outs() << " + " << format("0x%" PRIx64, cro.ivars);
4293 outs() << format("0x%" PRIx64, cro.ivars);
4295 if (cro.ivars + n_value != 0)
4296 print_ivar_list64_t(cro.ivars + n_value, info);
4298 outs() << " weakIvarLayout ";
4300 get_symbol_64(offset + offsetof(struct class_ro64_t, weakIvarLayout), S,
4301 info, n_value, cro.weakIvarLayout);
4303 if (info->verbose && sym_name != nullptr)
4306 outs() << format("0x%" PRIx64, n_value);
4307 if (cro.weakIvarLayout != 0)
4308 outs() << " + " << format("0x%" PRIx64, cro.weakIvarLayout);
4310 outs() << format("0x%" PRIx64, cro.weakIvarLayout);
4312 print_layout_map64(cro.weakIvarLayout + n_value, info);
4314 outs() << " baseProperties ";
4316 get_symbol_64(offset + offsetof(struct class_ro64_t, baseProperties), S,
4317 info, n_value, cro.baseProperties);
4319 if (info->verbose && sym_name != nullptr)
4322 outs() << format("0x%" PRIx64, n_value);
4323 if (cro.baseProperties != 0)
4324 outs() << " + " << format("0x%" PRIx64, cro.baseProperties);
4326 outs() << format("0x%" PRIx64, cro.baseProperties);
4328 if (cro.baseProperties + n_value != 0)
4329 print_objc_property_list64(cro.baseProperties + n_value, info);
4331 is_meta_class = (cro.flags & RO_META) ? true : false;
4334 static void print_class_ro32_t(uint32_t p, struct DisassembleInfo *info,
4335 bool &is_meta_class) {
4336 struct class_ro32_t cro;
4338 uint32_t offset, xoffset, left;
4342 r = get_pointer_32(p, offset, left, S, info);
4345 memset(&cro, '\0', sizeof(struct class_ro32_t));
4346 if (left < sizeof(struct class_ro32_t)) {
4347 memcpy(&cro, r, left);
4348 outs() << " (class_ro_t entends past the end of the section)\n";
4350 memcpy(&cro, r, sizeof(struct class_ro32_t));
4351 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
4353 outs() << " flags " << format("0x%" PRIx32, cro.flags);
4354 if (cro.flags & RO_META)
4355 outs() << " RO_META";
4356 if (cro.flags & RO_ROOT)
4357 outs() << " RO_ROOT";
4358 if (cro.flags & RO_HAS_CXX_STRUCTORS)
4359 outs() << " RO_HAS_CXX_STRUCTORS";
4361 outs() << " instanceStart " << cro.instanceStart << "\n";
4362 outs() << " instanceSize " << cro.instanceSize << "\n";
4363 outs() << " ivarLayout " << format("0x%" PRIx32, cro.ivarLayout)
4365 print_layout_map32(cro.ivarLayout, info);
4367 outs() << " name " << format("0x%" PRIx32, cro.name);
4368 name = get_pointer_32(cro.name, xoffset, left, xS, info);
4369 if (name != nullptr)
4370 outs() << format(" %.*s", left, name);
4373 outs() << " baseMethods "
4374 << format("0x%" PRIx32, cro.baseMethods)
4375 << " (struct method_list_t *)\n";
4376 if (cro.baseMethods != 0)
4377 print_method_list32_t(cro.baseMethods, info, "");
4379 outs() << " baseProtocols "
4380 << format("0x%" PRIx32, cro.baseProtocols) << "\n";
4381 if (cro.baseProtocols != 0)
4382 print_protocol_list32_t(cro.baseProtocols, info);
4383 outs() << " ivars " << format("0x%" PRIx32, cro.ivars)
4386 print_ivar_list32_t(cro.ivars, info);
4387 outs() << " weakIvarLayout "
4388 << format("0x%" PRIx32, cro.weakIvarLayout) << "\n";
4389 print_layout_map32(cro.weakIvarLayout, info);
4390 outs() << " baseProperties "
4391 << format("0x%" PRIx32, cro.baseProperties) << "\n";
4392 if (cro.baseProperties != 0)
4393 print_objc_property_list32(cro.baseProperties, info);
4394 is_meta_class = (cro.flags & RO_META) ? true : false;
4397 static void print_class64_t(uint64_t p, struct DisassembleInfo *info) {
4400 uint32_t offset, left;
4403 uint64_t isa_n_value, n_value;
4405 r = get_pointer_64(p, offset, left, S, info);
4406 if (r == nullptr || left < sizeof(struct class64_t))
4408 memset(&c, '\0', sizeof(struct class64_t));
4409 if (left < sizeof(struct class64_t)) {
4410 memcpy(&c, r, left);
4411 outs() << " (class_t entends past the end of the section)\n";
4413 memcpy(&c, r, sizeof(struct class64_t));
4414 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
4417 outs() << " isa " << format("0x%" PRIx64, c.isa);
4418 name = get_symbol_64(offset + offsetof(struct class64_t, isa), S, info,
4419 isa_n_value, c.isa);
4420 if (name != nullptr)
4421 outs() << " " << name;
4424 outs() << " superclass " << format("0x%" PRIx64, c.superclass);
4425 name = get_symbol_64(offset + offsetof(struct class64_t, superclass), S, info,
4426 n_value, c.superclass);
4427 if (name != nullptr)
4428 outs() << " " << name;
4431 outs() << " cache " << format("0x%" PRIx64, c.cache);
4432 name = get_symbol_64(offset + offsetof(struct class64_t, cache), S, info,
4434 if (name != nullptr)
4435 outs() << " " << name;
4438 outs() << " vtable " << format("0x%" PRIx64, c.vtable);
4439 name = get_symbol_64(offset + offsetof(struct class64_t, vtable), S, info,
4441 if (name != nullptr)
4442 outs() << " " << name;
4445 name = get_symbol_64(offset + offsetof(struct class64_t, data), S, info,
4449 if (info->verbose && name != nullptr)
4452 outs() << format("0x%" PRIx64, n_value);
4454 outs() << " + " << format("0x%" PRIx64, c.data);
4456 outs() << format("0x%" PRIx64, c.data);
4457 outs() << " (struct class_ro_t *)";
4459 // This is a Swift class if some of the low bits of the pointer are set.
4460 if ((c.data + n_value) & 0x7)
4461 outs() << " Swift class";
4464 print_class_ro64_t((c.data + n_value) & ~0x7, info, is_meta_class);
4466 if (!is_meta_class) {
4467 outs() << "Meta Class\n";
4468 print_class64_t(c.isa + isa_n_value, info);
4472 static void print_class32_t(uint32_t p, struct DisassembleInfo *info) {
4475 uint32_t offset, left;
4479 r = get_pointer_32(p, offset, left, S, info);
4482 memset(&c, '\0', sizeof(struct class32_t));
4483 if (left < sizeof(struct class32_t)) {
4484 memcpy(&c, r, left);
4485 outs() << " (class_t entends past the end of the section)\n";
4487 memcpy(&c, r, sizeof(struct class32_t));
4488 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
4491 outs() << " isa " << format("0x%" PRIx32, c.isa);
4493 get_symbol_32(offset + offsetof(struct class32_t, isa), S, info, c.isa);
4494 if (name != nullptr)
4495 outs() << " " << name;
4498 outs() << " superclass " << format("0x%" PRIx32, c.superclass);
4499 name = get_symbol_32(offset + offsetof(struct class32_t, superclass), S, info,
4501 if (name != nullptr)
4502 outs() << " " << name;
4505 outs() << " cache " << format("0x%" PRIx32, c.cache);
4506 name = get_symbol_32(offset + offsetof(struct class32_t, cache), S, info,
4508 if (name != nullptr)
4509 outs() << " " << name;
4512 outs() << " vtable " << format("0x%" PRIx32, c.vtable);
4513 name = get_symbol_32(offset + offsetof(struct class32_t, vtable), S, info,
4515 if (name != nullptr)
4516 outs() << " " << name;
4520 get_symbol_32(offset + offsetof(struct class32_t, data), S, info, c.data);
4521 outs() << " data " << format("0x%" PRIx32, c.data)
4522 << " (struct class_ro_t *)";
4524 // This is a Swift class if some of the low bits of the pointer are set.
4526 outs() << " Swift class";
4529 print_class_ro32_t(c.data & ~0x3, info, is_meta_class);
4531 if (!is_meta_class) {
4532 outs() << "Meta Class\n";
4533 print_class32_t(c.isa, info);
4537 static void print_objc_class_t(struct objc_class_t *objc_class,
4538 struct DisassembleInfo *info) {
4539 uint32_t offset, left, xleft;
4540 const char *name, *p, *ivar_list;
4543 struct objc_ivar_list_t objc_ivar_list;
4544 struct objc_ivar_t ivar;
4546 outs() << "\t\t isa " << format("0x%08" PRIx32, objc_class->isa);
4547 if (info->verbose && CLS_GETINFO(objc_class, CLS_META)) {
4548 name = get_pointer_32(objc_class->isa, offset, left, S, info, true);
4549 if (name != nullptr)
4550 outs() << format(" %.*s", left, name);
4552 outs() << " (not in an __OBJC section)";
4556 outs() << "\t super_class "
4557 << format("0x%08" PRIx32, objc_class->super_class);
4558 if (info->verbose) {
4559 name = get_pointer_32(objc_class->super_class, offset, left, S, info, true);
4560 if (name != nullptr)
4561 outs() << format(" %.*s", left, name);
4563 outs() << " (not in an __OBJC section)";
4567 outs() << "\t\t name " << format("0x%08" PRIx32, objc_class->name);
4568 if (info->verbose) {
4569 name = get_pointer_32(objc_class->name, offset, left, S, info, true);
4570 if (name != nullptr)
4571 outs() << format(" %.*s", left, name);
4573 outs() << " (not in an __OBJC section)";
4577 outs() << "\t\t version " << format("0x%08" PRIx32, objc_class->version)
4580 outs() << "\t\t info " << format("0x%08" PRIx32, objc_class->info);
4581 if (info->verbose) {
4582 if (CLS_GETINFO(objc_class, CLS_CLASS))
4583 outs() << " CLS_CLASS";
4584 else if (CLS_GETINFO(objc_class, CLS_META))
4585 outs() << " CLS_META";
4589 outs() << "\t instance_size "
4590 << format("0x%08" PRIx32, objc_class->instance_size) << "\n";
4592 p = get_pointer_32(objc_class->ivars, offset, left, S, info, true);
4593 outs() << "\t\t ivars " << format("0x%08" PRIx32, objc_class->ivars);
4595 if (left > sizeof(struct objc_ivar_list_t)) {
4597 memcpy(&objc_ivar_list, p, sizeof(struct objc_ivar_list_t));
4599 outs() << " (entends past the end of the section)\n";
4600 memset(&objc_ivar_list, '\0', sizeof(struct objc_ivar_list_t));
4601 memcpy(&objc_ivar_list, p, left);
4603 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
4604 swapStruct(objc_ivar_list);
4605 outs() << "\t\t ivar_count " << objc_ivar_list.ivar_count << "\n";
4606 ivar_list = p + sizeof(struct objc_ivar_list_t);
4607 for (i = 0; i < objc_ivar_list.ivar_count; i++) {
4608 if ((i + 1) * sizeof(struct objc_ivar_t) > left) {
4609 outs() << "\t\t remaining ivar's extend past the of the section\n";
4612 memcpy(&ivar, ivar_list + i * sizeof(struct objc_ivar_t),
4613 sizeof(struct objc_ivar_t));
4614 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
4617 outs() << "\t\t\tivar_name " << format("0x%08" PRIx32, ivar.ivar_name);
4618 if (info->verbose) {
4619 name = get_pointer_32(ivar.ivar_name, offset, xleft, S, info, true);
4620 if (name != nullptr)
4621 outs() << format(" %.*s", xleft, name);
4623 outs() << " (not in an __OBJC section)";
4627 outs() << "\t\t\tivar_type " << format("0x%08" PRIx32, ivar.ivar_type);
4628 if (info->verbose) {
4629 name = get_pointer_32(ivar.ivar_type, offset, xleft, S, info, true);
4630 if (name != nullptr)
4631 outs() << format(" %.*s", xleft, name);
4633 outs() << " (not in an __OBJC section)";
4637 outs() << "\t\t ivar_offset "
4638 << format("0x%08" PRIx32, ivar.ivar_offset) << "\n";
4641 outs() << " (not in an __OBJC section)\n";
4644 outs() << "\t\t methods " << format("0x%08" PRIx32, objc_class->methodLists);
4645 if (print_method_list(objc_class->methodLists, info))
4646 outs() << " (not in an __OBJC section)\n";
4648 outs() << "\t\t cache " << format("0x%08" PRIx32, objc_class->cache)
4651 outs() << "\t\tprotocols " << format("0x%08" PRIx32, objc_class->protocols);
4652 if (print_protocol_list(objc_class->protocols, 16, info))
4653 outs() << " (not in an __OBJC section)\n";
4656 static void print_objc_objc_category_t(struct objc_category_t *objc_category,
4657 struct DisassembleInfo *info) {
4658 uint32_t offset, left;
4662 outs() << "\t category name "
4663 << format("0x%08" PRIx32, objc_category->category_name);
4664 if (info->verbose) {
4665 name = get_pointer_32(objc_category->category_name, offset, left, S, info,
4667 if (name != nullptr)
4668 outs() << format(" %.*s", left, name);
4670 outs() << " (not in an __OBJC section)";
4674 outs() << "\t\t class name "
4675 << format("0x%08" PRIx32, objc_category->class_name);
4676 if (info->verbose) {
4678 get_pointer_32(objc_category->class_name, offset, left, S, info, true);
4679 if (name != nullptr)
4680 outs() << format(" %.*s", left, name);
4682 outs() << " (not in an __OBJC section)";
4686 outs() << "\t instance methods "
4687 << format("0x%08" PRIx32, objc_category->instance_methods);
4688 if (print_method_list(objc_category->instance_methods, info))
4689 outs() << " (not in an __OBJC section)\n";
4691 outs() << "\t class methods "
4692 << format("0x%08" PRIx32, objc_category->class_methods);
4693 if (print_method_list(objc_category->class_methods, info))
4694 outs() << " (not in an __OBJC section)\n";
4697 static void print_category64_t(uint64_t p, struct DisassembleInfo *info) {
4698 struct category64_t c;
4700 uint32_t offset, xoffset, left;
4702 const char *name, *sym_name;
4705 r = get_pointer_64(p, offset, left, S, info);
4708 memset(&c, '\0', sizeof(struct category64_t));
4709 if (left < sizeof(struct category64_t)) {
4710 memcpy(&c, r, left);
4711 outs() << " (category_t entends past the end of the section)\n";
4713 memcpy(&c, r, sizeof(struct category64_t));
4714 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
4718 sym_name = get_symbol_64(offset + offsetof(struct category64_t, name), S,
4719 info, n_value, c.name);
4721 if (info->verbose && sym_name != nullptr)
4724 outs() << format("0x%" PRIx64, n_value);
4726 outs() << " + " << format("0x%" PRIx64, c.name);
4728 outs() << format("0x%" PRIx64, c.name);
4729 name = get_pointer_64(c.name + n_value, xoffset, left, xS, info);
4730 if (name != nullptr)
4731 outs() << format(" %.*s", left, name);
4735 sym_name = get_symbol_64(offset + offsetof(struct category64_t, cls), S, info,
4738 if (info->verbose && sym_name != nullptr)
4741 outs() << format("0x%" PRIx64, n_value);
4743 outs() << " + " << format("0x%" PRIx64, c.cls);
4745 outs() << format("0x%" PRIx64, c.cls);
4747 if (c.cls + n_value != 0)
4748 print_class64_t(c.cls + n_value, info);
4750 outs() << " instanceMethods ";
4752 get_symbol_64(offset + offsetof(struct category64_t, instanceMethods), S,
4753 info, n_value, c.instanceMethods);
4755 if (info->verbose && sym_name != nullptr)
4758 outs() << format("0x%" PRIx64, n_value);
4759 if (c.instanceMethods != 0)
4760 outs() << " + " << format("0x%" PRIx64, c.instanceMethods);
4762 outs() << format("0x%" PRIx64, c.instanceMethods);
4764 if (c.instanceMethods + n_value != 0)
4765 print_method_list64_t(c.instanceMethods + n_value, info, "");
4767 outs() << " classMethods ";
4768 sym_name = get_symbol_64(offset + offsetof(struct category64_t, classMethods),
4769 S, info, n_value, c.classMethods);
4771 if (info->verbose && sym_name != nullptr)
4774 outs() << format("0x%" PRIx64, n_value);
4775 if (c.classMethods != 0)
4776 outs() << " + " << format("0x%" PRIx64, c.classMethods);
4778 outs() << format("0x%" PRIx64, c.classMethods);
4780 if (c.classMethods + n_value != 0)
4781 print_method_list64_t(c.classMethods + n_value, info, "");
4783 outs() << " protocols ";
4784 sym_name = get_symbol_64(offset + offsetof(struct category64_t, protocols), S,
4785 info, n_value, c.protocols);
4787 if (info->verbose && sym_name != nullptr)
4790 outs() << format("0x%" PRIx64, n_value);
4791 if (c.protocols != 0)
4792 outs() << " + " << format("0x%" PRIx64, c.protocols);
4794 outs() << format("0x%" PRIx64, c.protocols);
4796 if (c.protocols + n_value != 0)
4797 print_protocol_list64_t(c.protocols + n_value, info);
4799 outs() << "instanceProperties ";
4801 get_symbol_64(offset + offsetof(struct category64_t, instanceProperties),
4802 S, info, n_value, c.instanceProperties);
4804 if (info->verbose && sym_name != nullptr)
4807 outs() << format("0x%" PRIx64, n_value);
4808 if (c.instanceProperties != 0)
4809 outs() << " + " << format("0x%" PRIx64, c.instanceProperties);
4811 outs() << format("0x%" PRIx64, c.instanceProperties);
4813 if (c.instanceProperties + n_value != 0)
4814 print_objc_property_list64(c.instanceProperties + n_value, info);
4817 static void print_category32_t(uint32_t p, struct DisassembleInfo *info) {
4818 struct category32_t c;
4820 uint32_t offset, left;
4824 r = get_pointer_32(p, offset, left, S, info);
4827 memset(&c, '\0', sizeof(struct category32_t));
4828 if (left < sizeof(struct category32_t)) {
4829 memcpy(&c, r, left);
4830 outs() << " (category_t entends past the end of the section)\n";
4832 memcpy(&c, r, sizeof(struct category32_t));
4833 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
4836 outs() << " name " << format("0x%" PRIx32, c.name);
4837 name = get_symbol_32(offset + offsetof(struct category32_t, name), S, info,
4840 outs() << " " << name;
4843 outs() << " cls " << format("0x%" PRIx32, c.cls) << "\n";
4845 print_class32_t(c.cls, info);
4846 outs() << " instanceMethods " << format("0x%" PRIx32, c.instanceMethods)
4848 if (c.instanceMethods != 0)
4849 print_method_list32_t(c.instanceMethods, info, "");
4850 outs() << " classMethods " << format("0x%" PRIx32, c.classMethods)
4852 if (c.classMethods != 0)
4853 print_method_list32_t(c.classMethods, info, "");
4854 outs() << " protocols " << format("0x%" PRIx32, c.protocols) << "\n";
4855 if (c.protocols != 0)
4856 print_protocol_list32_t(c.protocols, info);
4857 outs() << "instanceProperties " << format("0x%" PRIx32, c.instanceProperties)
4859 if (c.instanceProperties != 0)
4860 print_objc_property_list32(c.instanceProperties, info);
4863 static void print_message_refs64(SectionRef S, struct DisassembleInfo *info) {
4864 uint32_t i, left, offset, xoffset;
4865 uint64_t p, n_value;
4866 struct message_ref64 mr;
4867 const char *name, *sym_name;
4871 if (S == SectionRef())
4875 S.getName(SectName);
4876 DataRefImpl Ref = S.getRawDataRefImpl();
4877 StringRef SegName = info->O->getSectionFinalSegmentName(Ref);
4878 outs() << "Contents of (" << SegName << "," << SectName << ") section\n";
4880 for (i = 0; i < S.getSize(); i += sizeof(struct message_ref64)) {
4881 p = S.getAddress() + i;
4882 r = get_pointer_64(p, offset, left, S, info);
4885 memset(&mr, '\0', sizeof(struct message_ref64));
4886 if (left < sizeof(struct message_ref64)) {
4887 memcpy(&mr, r, left);
4888 outs() << " (message_ref entends past the end of the section)\n";
4890 memcpy(&mr, r, sizeof(struct message_ref64));
4891 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
4895 name = get_symbol_64(offset + offsetof(struct message_ref64, imp), S, info,
4898 outs() << format("0x%" PRIx64, n_value) << " ";
4900 outs() << "+ " << format("0x%" PRIx64, mr.imp) << " ";
4902 outs() << format("0x%" PRIx64, mr.imp) << " ";
4903 if (name != nullptr)
4904 outs() << " " << name;
4908 sym_name = get_symbol_64(offset + offsetof(struct message_ref64, sel), S,
4909 info, n_value, mr.sel);
4911 if (info->verbose && sym_name != nullptr)
4914 outs() << format("0x%" PRIx64, n_value);
4916 outs() << " + " << format("0x%" PRIx64, mr.sel);
4918 outs() << format("0x%" PRIx64, mr.sel);
4919 name = get_pointer_64(mr.sel + n_value, xoffset, left, xS, info);
4920 if (name != nullptr)
4921 outs() << format(" %.*s", left, name);
4924 offset += sizeof(struct message_ref64);
4928 static void print_message_refs32(SectionRef S, struct DisassembleInfo *info) {
4929 uint32_t i, left, offset, xoffset, p;
4930 struct message_ref32 mr;
4931 const char *name, *r;
4934 if (S == SectionRef())
4938 S.getName(SectName);
4939 DataRefImpl Ref = S.getRawDataRefImpl();
4940 StringRef SegName = info->O->getSectionFinalSegmentName(Ref);
4941 outs() << "Contents of (" << SegName << "," << SectName << ") section\n";
4943 for (i = 0; i < S.getSize(); i += sizeof(struct message_ref64)) {
4944 p = S.getAddress() + i;
4945 r = get_pointer_32(p, offset, left, S, info);
4948 memset(&mr, '\0', sizeof(struct message_ref32));
4949 if (left < sizeof(struct message_ref32)) {
4950 memcpy(&mr, r, left);
4951 outs() << " (message_ref entends past the end of the section)\n";
4953 memcpy(&mr, r, sizeof(struct message_ref32));
4954 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
4957 outs() << " imp " << format("0x%" PRIx32, mr.imp);
4958 name = get_symbol_32(offset + offsetof(struct message_ref32, imp), S, info,
4960 if (name != nullptr)
4961 outs() << " " << name;
4964 outs() << " sel " << format("0x%" PRIx32, mr.sel);
4965 name = get_pointer_32(mr.sel, xoffset, left, xS, info);
4966 if (name != nullptr)
4967 outs() << " " << name;
4970 offset += sizeof(struct message_ref32);
4974 static void print_image_info64(SectionRef S, struct DisassembleInfo *info) {
4975 uint32_t left, offset, swift_version;
4977 struct objc_image_info64 o;
4981 S.getName(SectName);
4982 DataRefImpl Ref = S.getRawDataRefImpl();
4983 StringRef SegName = info->O->getSectionFinalSegmentName(Ref);
4984 outs() << "Contents of (" << SegName << "," << SectName << ") section\n";
4986 r = get_pointer_64(p, offset, left, S, info);
4989 memset(&o, '\0', sizeof(struct objc_image_info64));
4990 if (left < sizeof(struct objc_image_info64)) {
4991 memcpy(&o, r, left);
4992 outs() << " (objc_image_info entends past the end of the section)\n";
4994 memcpy(&o, r, sizeof(struct objc_image_info64));
4995 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
4997 outs() << " version " << o.version << "\n";
4998 outs() << " flags " << format("0x%" PRIx32, o.flags);
4999 if (o.flags & OBJC_IMAGE_IS_REPLACEMENT)
5000 outs() << " OBJC_IMAGE_IS_REPLACEMENT";
5001 if (o.flags & OBJC_IMAGE_SUPPORTS_GC)
5002 outs() << " OBJC_IMAGE_SUPPORTS_GC";
5003 swift_version = (o.flags >> 8) & 0xff;
5004 if (swift_version != 0) {
5005 if (swift_version == 1)
5006 outs() << " Swift 1.0";
5007 else if (swift_version == 2)
5008 outs() << " Swift 1.1";
5010 outs() << " unknown future Swift version (" << swift_version << ")";
5015 static void print_image_info32(SectionRef S, struct DisassembleInfo *info) {
5016 uint32_t left, offset, swift_version, p;
5017 struct objc_image_info32 o;
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_32(p, offset, left, S, info);
5029 memset(&o, '\0', sizeof(struct objc_image_info32));
5030 if (left < sizeof(struct objc_image_info32)) {
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_info32));
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_info(SectionRef S, struct DisassembleInfo *info) {
5056 uint32_t left, offset, p;
5057 struct imageInfo_t 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 imageInfo_t));
5070 if (left < sizeof(struct imageInfo_t)) {
5071 memcpy(&o, r, left);
5072 outs() << " (imageInfo entends past the end of the section)\n";
5074 memcpy(&o, r, sizeof(struct imageInfo_t));
5075 if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
5077 outs() << " version " << o.version << "\n";
5078 outs() << " flags " << format("0x%" PRIx32, o.flags);
5084 outs() << " GC-only";
5090 static void printObjc2_64bit_MetaData(MachOObjectFile *O, bool verbose) {
5091 SymbolAddressMap AddrMap;
5093 CreateSymbolAddressMap(O, &AddrMap);
5095 std::vector<SectionRef> Sections;
5096 for (const SectionRef &Section : O->sections()) {
5098 Section.getName(SectName);
5099 Sections.push_back(Section);
5102 struct DisassembleInfo info;
5103 // Set up the block of info used by the Symbolizer call backs.
5104 info.verbose = verbose;
5106 info.AddrMap = &AddrMap;
5107 info.Sections = &Sections;
5108 info.class_name = nullptr;
5109 info.selector_name = nullptr;
5110 info.method = nullptr;
5111 info.demangled_name = nullptr;
5112 info.bindtable = nullptr;
5116 const SectionRef CL = get_section(O, "__OBJC2", "__class_list");
5117 if (CL != SectionRef()) {
5119 walk_pointer_list_64("class", CL, O, &info, print_class64_t);
5121 const SectionRef CL = get_section(O, "__DATA", "__objc_classlist");
5123 walk_pointer_list_64("class", CL, O, &info, print_class64_t);
5126 const SectionRef CR = get_section(O, "__OBJC2", "__class_refs");
5127 if (CR != SectionRef()) {
5129 walk_pointer_list_64("class refs", CR, O, &info, nullptr);
5131 const SectionRef CR = get_section(O, "__DATA", "__objc_classrefs");
5133 walk_pointer_list_64("class refs", CR, O, &info, nullptr);
5136 const SectionRef SR = get_section(O, "__OBJC2", "__super_refs");
5137 if (SR != SectionRef()) {
5139 walk_pointer_list_64("super refs", SR, O, &info, nullptr);
5141 const SectionRef SR = get_section(O, "__DATA", "__objc_superrefs");
5143 walk_pointer_list_64("super refs", SR, O, &info, nullptr);
5146 const SectionRef CA = get_section(O, "__OBJC2", "__category_list");
5147 if (CA != SectionRef()) {
5149 walk_pointer_list_64("category", CA, O, &info, print_category64_t);
5151 const SectionRef CA = get_section(O, "__DATA", "__objc_catlist");
5153 walk_pointer_list_64("category", CA, O, &info, print_category64_t);
5156 const SectionRef PL = get_section(O, "__OBJC2", "__protocol_list");
5157 if (PL != SectionRef()) {
5159 walk_pointer_list_64("protocol", PL, O, &info, nullptr);
5161 const SectionRef PL = get_section(O, "__DATA", "__objc_protolist");
5163 walk_pointer_list_64("protocol", PL, O, &info, nullptr);
5166 const SectionRef MR = get_section(O, "__OBJC2", "__message_refs");
5167 if (MR != SectionRef()) {
5169 print_message_refs64(MR, &info);
5171 const SectionRef MR = get_section(O, "__DATA", "__objc_msgrefs");
5173 print_message_refs64(MR, &info);
5176 const SectionRef II = get_section(O, "__OBJC2", "__image_info");
5177 if (II != SectionRef()) {
5179 print_image_info64(II, &info);
5181 const SectionRef II = get_section(O, "__DATA", "__objc_imageinfo");
5183 print_image_info64(II, &info);
5186 if (info.bindtable != nullptr)
5187 delete info.bindtable;
5190 static void printObjc2_32bit_MetaData(MachOObjectFile *O, bool verbose) {
5191 SymbolAddressMap AddrMap;
5193 CreateSymbolAddressMap(O, &AddrMap);
5195 std::vector<SectionRef> Sections;
5196 for (const SectionRef &Section : O->sections()) {
5198 Section.getName(SectName);
5199 Sections.push_back(Section);
5202 struct DisassembleInfo info;
5203 // Set up the block of info used by the Symbolizer call backs.
5204 info.verbose = verbose;
5206 info.AddrMap = &AddrMap;
5207 info.Sections = &Sections;
5208 info.class_name = nullptr;
5209 info.selector_name = nullptr;
5210 info.method = nullptr;
5211 info.demangled_name = nullptr;
5212 info.bindtable = nullptr;
5216 const SectionRef CL = get_section(O, "__OBJC2", "__class_list");
5217 if (CL != SectionRef()) {
5219 walk_pointer_list_32("class", CL, O, &info, print_class32_t);
5221 const SectionRef CL = get_section(O, "__DATA", "__objc_classlist");
5223 walk_pointer_list_32("class", CL, O, &info, print_class32_t);
5226 const SectionRef CR = get_section(O, "__OBJC2", "__class_refs");
5227 if (CR != SectionRef()) {
5229 walk_pointer_list_32("class refs", CR, O, &info, nullptr);
5231 const SectionRef CR = get_section(O, "__DATA", "__objc_classrefs");
5233 walk_pointer_list_32("class refs", CR, O, &info, nullptr);
5236 const SectionRef SR = get_section(O, "__OBJC2", "__super_refs");
5237 if (SR != SectionRef()) {
5239 walk_pointer_list_32("super refs", SR, O, &info, nullptr);
5241 const SectionRef SR = get_section(O, "__DATA", "__objc_superrefs");
5243 walk_pointer_list_32("super refs", SR, O, &info, nullptr);
5246 const SectionRef CA = get_section(O, "__OBJC2", "__category_list");
5247 if (CA != SectionRef()) {
5249 walk_pointer_list_32("category", CA, O, &info, print_category32_t);
5251 const SectionRef CA = get_section(O, "__DATA", "__objc_catlist");
5253 walk_pointer_list_32("category", CA, O, &info, print_category32_t);
5256 const SectionRef PL = get_section(O, "__OBJC2", "__protocol_list");
5257 if (PL != SectionRef()) {
5259 walk_pointer_list_32("protocol", PL, O, &info, nullptr);
5261 const SectionRef PL = get_section(O, "__DATA", "__objc_protolist");
5263 walk_pointer_list_32("protocol", PL, O, &info, nullptr);
5266 const SectionRef MR = get_section(O, "__OBJC2", "__message_refs");
5267 if (MR != SectionRef()) {
5269 print_message_refs32(MR, &info);
5271 const SectionRef MR = get_section(O, "__DATA", "__objc_msgrefs");
5273 print_message_refs32(MR, &info);
5276 const SectionRef II = get_section(O, "__OBJC2", "__image_info");
5277 if (II != SectionRef()) {
5279 print_image_info32(II, &info);
5281 const SectionRef II = get_section(O, "__DATA", "__objc_imageinfo");
5283 print_image_info32(II, &info);
5287 static bool printObjc1_32bit_MetaData(MachOObjectFile *O, bool verbose) {
5288 uint32_t i, j, p, offset, xoffset, left, defs_left, def;
5289 const char *r, *name, *defs;
5290 struct objc_module_t module;
5292 struct objc_symtab_t symtab;
5293 struct objc_class_t objc_class;
5294 struct objc_category_t objc_category;
5296 outs() << "Objective-C segment\n";
5297 S = get_section(O, "__OBJC", "__module_info");
5298 if (S == SectionRef())
5301 SymbolAddressMap AddrMap;
5303 CreateSymbolAddressMap(O, &AddrMap);
5305 std::vector<SectionRef> Sections;
5306 for (const SectionRef &Section : O->sections()) {
5308 Section.getName(SectName);
5309 Sections.push_back(Section);
5312 struct DisassembleInfo info;
5313 // Set up the block of info used by the Symbolizer call backs.
5314 info.verbose = verbose;
5316 info.AddrMap = &AddrMap;
5317 info.Sections = &Sections;
5318 info.class_name = nullptr;
5319 info.selector_name = nullptr;
5320 info.method = nullptr;
5321 info.demangled_name = nullptr;
5322 info.bindtable = nullptr;
5326 for (i = 0; i < S.getSize(); i += sizeof(struct objc_module_t)) {
5327 p = S.getAddress() + i;
5328 r = get_pointer_32(p, offset, left, S, &info, true);
5331 memset(&module, '\0', sizeof(struct objc_module_t));
5332 if (left < sizeof(struct objc_module_t)) {
5333 memcpy(&module, r, left);
5334 outs() << " (module extends past end of __module_info section)\n";
5336 memcpy(&module, r, sizeof(struct objc_module_t));
5337 if (O->isLittleEndian() != sys::IsLittleEndianHost)
5340 outs() << "Module " << format("0x%" PRIx32, p) << "\n";
5341 outs() << " version " << module.version << "\n";
5342 outs() << " size " << module.size << "\n";
5344 name = get_pointer_32(module.name, xoffset, left, xS, &info, true);
5345 if (name != nullptr)
5346 outs() << format("%.*s", left, name);
5348 outs() << format("0x%08" PRIx32, module.name)
5349 << "(not in an __OBJC section)";
5352 r = get_pointer_32(module.symtab, xoffset, left, xS, &info, true);
5353 if (module.symtab == 0 || r == nullptr) {
5354 outs() << " symtab " << format("0x%08" PRIx32, module.symtab)
5355 << " (not in an __OBJC section)\n";
5358 outs() << " symtab " << format("0x%08" PRIx32, module.symtab) << "\n";
5359 memset(&symtab, '\0', sizeof(struct objc_symtab_t));
5362 if (left < sizeof(struct objc_symtab_t)) {
5363 memcpy(&symtab, r, left);
5364 outs() << "\tsymtab extends past end of an __OBJC section)\n";
5366 memcpy(&symtab, r, sizeof(struct objc_symtab_t));
5367 if (left > sizeof(struct objc_symtab_t)) {
5368 defs_left = left - sizeof(struct objc_symtab_t);
5369 defs = r + sizeof(struct objc_symtab_t);
5372 if (O->isLittleEndian() != sys::IsLittleEndianHost)
5375 outs() << "\tsel_ref_cnt " << symtab.sel_ref_cnt << "\n";
5376 r = get_pointer_32(symtab.refs, xoffset, left, xS, &info, true);
5377 outs() << "\trefs " << format("0x%08" PRIx32, symtab.refs);
5379 outs() << " (not in an __OBJC section)";
5381 outs() << "\tcls_def_cnt " << symtab.cls_def_cnt << "\n";
5382 outs() << "\tcat_def_cnt " << symtab.cat_def_cnt << "\n";
5383 if (symtab.cls_def_cnt > 0)
5384 outs() << "\tClass Definitions\n";
5385 for (j = 0; j < symtab.cls_def_cnt; j++) {
5386 if ((j + 1) * sizeof(uint32_t) > defs_left) {
5387 outs() << "\t(remaining class defs entries entends past the end of the "
5391 memcpy(&def, defs + j * sizeof(uint32_t), sizeof(uint32_t));
5392 if (O->isLittleEndian() != sys::IsLittleEndianHost)
5393 sys::swapByteOrder(def);
5395 r = get_pointer_32(def, xoffset, left, xS, &info, true);
5396 outs() << "\tdefs[" << j << "] " << format("0x%08" PRIx32, def);
5398 if (left > sizeof(struct objc_class_t)) {
5400 memcpy(&objc_class, r, sizeof(struct objc_class_t));
5402 outs() << " (entends past the end of the section)\n";
5403 memset(&objc_class, '\0', sizeof(struct objc_class_t));
5404 memcpy(&objc_class, r, left);
5406 if (O->isLittleEndian() != sys::IsLittleEndianHost)
5407 swapStruct(objc_class);
5408 print_objc_class_t(&objc_class, &info);
5410 outs() << "(not in an __OBJC section)\n";
5413 if (CLS_GETINFO(&objc_class, CLS_CLASS)) {
5414 outs() << "\tMeta Class";
5415 r = get_pointer_32(objc_class.isa, xoffset, left, xS, &info, true);
5417 if (left > sizeof(struct objc_class_t)) {
5419 memcpy(&objc_class, r, sizeof(struct objc_class_t));
5421 outs() << " (entends past the end of the section)\n";
5422 memset(&objc_class, '\0', sizeof(struct objc_class_t));
5423 memcpy(&objc_class, r, left);
5425 if (O->isLittleEndian() != sys::IsLittleEndianHost)
5426 swapStruct(objc_class);
5427 print_objc_class_t(&objc_class, &info);
5429 outs() << "(not in an __OBJC section)\n";
5433 if (symtab.cat_def_cnt > 0)
5434 outs() << "\tCategory Definitions\n";
5435 for (j = 0; j < symtab.cat_def_cnt; j++) {
5436 if ((j + symtab.cls_def_cnt + 1) * sizeof(uint32_t) > defs_left) {
5437 outs() << "\t(remaining category defs entries entends past the end of "
5438 << "the section)\n";
5441 memcpy(&def, defs + (j + symtab.cls_def_cnt) * sizeof(uint32_t),
5443 if (O->isLittleEndian() != sys::IsLittleEndianHost)
5444 sys::swapByteOrder(def);
5446 r = get_pointer_32(def, xoffset, left, xS, &info, true);
5447 outs() << "\tdefs[" << j + symtab.cls_def_cnt << "] "
5448 << format("0x%08" PRIx32, def);
5450 if (left > sizeof(struct objc_category_t)) {
5452 memcpy(&objc_category, r, sizeof(struct objc_category_t));
5454 outs() << " (entends past the end of the section)\n";
5455 memset(&objc_category, '\0', sizeof(struct objc_category_t));
5456 memcpy(&objc_category, r, left);
5458 if (O->isLittleEndian() != sys::IsLittleEndianHost)
5459 swapStruct(objc_category);
5460 print_objc_objc_category_t(&objc_category, &info);
5462 outs() << "(not in an __OBJC section)\n";
5466 const SectionRef II = get_section(O, "__OBJC", "__image_info");
5467 if (II != SectionRef())
5468 print_image_info(II, &info);
5473 static void DumpProtocolSection(MachOObjectFile *O, const char *sect,
5474 uint32_t size, uint32_t addr) {
5475 SymbolAddressMap AddrMap;
5476 CreateSymbolAddressMap(O, &AddrMap);
5478 std::vector<SectionRef> Sections;
5479 for (const SectionRef &Section : O->sections()) {
5481 Section.getName(SectName);
5482 Sections.push_back(Section);
5485 struct DisassembleInfo info;
5486 // Set up the block of info used by the Symbolizer call backs.
5487 info.verbose = true;
5489 info.AddrMap = &AddrMap;
5490 info.Sections = &Sections;
5491 info.class_name = nullptr;
5492 info.selector_name = nullptr;
5493 info.method = nullptr;
5494 info.demangled_name = nullptr;
5495 info.bindtable = nullptr;
5500 struct objc_protocol_t protocol;
5501 uint32_t left, paddr;
5502 for (p = sect; p < sect + size; p += sizeof(struct objc_protocol_t)) {
5503 memset(&protocol, '\0', sizeof(struct objc_protocol_t));
5504 left = size - (p - sect);
5505 if (left < sizeof(struct objc_protocol_t)) {
5506 outs() << "Protocol extends past end of __protocol section\n";
5507 memcpy(&protocol, p, left);
5509 memcpy(&protocol, p, sizeof(struct objc_protocol_t));
5510 if (O->isLittleEndian() != sys::IsLittleEndianHost)
5511 swapStruct(protocol);
5512 paddr = addr + (p - sect);
5513 outs() << "Protocol " << format("0x%" PRIx32, paddr);
5514 if (print_protocol(paddr, 0, &info))
5515 outs() << "(not in an __OBJC section)\n";
5519 static void printObjcMetaData(MachOObjectFile *O, bool verbose) {
5521 printObjc2_64bit_MetaData(O, verbose);
5523 MachO::mach_header H;
5525 if (H.cputype == MachO::CPU_TYPE_ARM)
5526 printObjc2_32bit_MetaData(O, verbose);
5528 // This is the 32-bit non-arm cputype case. Which is normally
5529 // the first Objective-C ABI. But it may be the case of a
5530 // binary for the iOS simulator which is the second Objective-C
5531 // ABI. In that case printObjc1_32bit_MetaData() will determine that
5532 // and return false.
5533 if (!printObjc1_32bit_MetaData(O, verbose))
5534 printObjc2_32bit_MetaData(O, verbose);
5539 // GuessLiteralPointer returns a string which for the item in the Mach-O file
5540 // for the address passed in as ReferenceValue for printing as a comment with
5541 // the instruction and also returns the corresponding type of that item
5542 // indirectly through ReferenceType.
5544 // If ReferenceValue is an address of literal cstring then a pointer to the
5545 // cstring is returned and ReferenceType is set to
5546 // LLVMDisassembler_ReferenceType_Out_LitPool_CstrAddr .
5548 // If ReferenceValue is an address of an Objective-C CFString, Selector ref or
5549 // Class ref that name is returned and the ReferenceType is set accordingly.
5551 // Lastly, literals which are Symbol address in a literal pool are looked for
5552 // and if found the symbol name is returned and ReferenceType is set to
5553 // LLVMDisassembler_ReferenceType_Out_LitPool_SymAddr .
5555 // If there is no item in the Mach-O file for the address passed in as
5556 // ReferenceValue nullptr is returned and ReferenceType is unchanged.
5557 static const char *GuessLiteralPointer(uint64_t ReferenceValue,
5558 uint64_t ReferencePC,
5559 uint64_t *ReferenceType,
5560 struct DisassembleInfo *info) {
5561 // First see if there is an external relocation entry at the ReferencePC.
5562 uint64_t sect_addr = info->S.getAddress();
5563 uint64_t sect_offset = ReferencePC - sect_addr;
5564 bool reloc_found = false;
5566 MachO::any_relocation_info RE;
5567 bool isExtern = false;
5569 for (const RelocationRef &Reloc : info->S.relocations()) {
5570 uint64_t RelocOffset = Reloc.getOffset();
5571 if (RelocOffset == sect_offset) {
5572 Rel = Reloc.getRawDataRefImpl();
5573 RE = info->O->getRelocation(Rel);
5574 if (info->O->isRelocationScattered(RE))
5576 isExtern = info->O->getPlainRelocationExternal(RE);
5578 symbol_iterator RelocSym = Reloc.getSymbol();
5585 // If there is an external relocation entry for a symbol in a section
5586 // then used that symbol's value for the value of the reference.
5587 if (reloc_found && isExtern) {
5588 if (info->O->getAnyRelocationPCRel(RE)) {
5589 unsigned Type = info->O->getAnyRelocationType(RE);
5590 if (Type == MachO::X86_64_RELOC_SIGNED) {
5591 ReferenceValue = Symbol.getValue();
5596 // Look for literals such as Objective-C CFStrings refs, Selector refs,
5597 // Message refs and Class refs.
5598 bool classref, selref, msgref, cfstring;
5599 uint64_t pointer_value = GuessPointerPointer(ReferenceValue, info, classref,
5600 selref, msgref, cfstring);
5601 if (classref && pointer_value == 0) {
5602 // Note the ReferenceValue is a pointer into the __objc_classrefs section.
5603 // And the pointer_value in that section is typically zero as it will be
5604 // set by dyld as part of the "bind information".
5605 const char *name = get_dyld_bind_info_symbolname(ReferenceValue, info);
5606 if (name != nullptr) {
5607 *ReferenceType = LLVMDisassembler_ReferenceType_Out_Objc_Class_Ref;
5608 const char *class_name = strrchr(name, '$');
5609 if (class_name != nullptr && class_name[1] == '_' &&
5610 class_name[2] != '\0') {
5611 info->class_name = class_name + 2;
5618 *ReferenceType = LLVMDisassembler_ReferenceType_Out_Objc_Class_Ref;
5620 get_objc2_64bit_class_name(pointer_value, ReferenceValue, info);
5621 if (name != nullptr)
5622 info->class_name = name;
5624 name = "bad class ref";
5629 *ReferenceType = LLVMDisassembler_ReferenceType_Out_Objc_CFString_Ref;
5630 const char *name = get_objc2_64bit_cfstring_name(ReferenceValue, info);
5634 if (selref && pointer_value == 0)
5635 pointer_value = get_objc2_64bit_selref(ReferenceValue, info);
5637 if (pointer_value != 0)
5638 ReferenceValue = pointer_value;
5640 const char *name = GuessCstringPointer(ReferenceValue, info);
5642 if (pointer_value != 0 && selref) {
5643 *ReferenceType = LLVMDisassembler_ReferenceType_Out_Objc_Selector_Ref;
5644 info->selector_name = name;
5645 } else if (pointer_value != 0 && msgref) {
5646 info->class_name = nullptr;
5647 *ReferenceType = LLVMDisassembler_ReferenceType_Out_Objc_Message_Ref;
5648 info->selector_name = name;
5650 *ReferenceType = LLVMDisassembler_ReferenceType_Out_LitPool_CstrAddr;
5654 // Lastly look for an indirect symbol with this ReferenceValue which is in
5655 // a literal pool. If found return that symbol name.
5656 name = GuessIndirectSymbol(ReferenceValue, info);
5658 *ReferenceType = LLVMDisassembler_ReferenceType_Out_LitPool_SymAddr;
5665 // SymbolizerSymbolLookUp is the symbol lookup function passed when creating
5666 // the Symbolizer. It looks up the ReferenceValue using the info passed via the
5667 // pointer to the struct DisassembleInfo that was passed when MCSymbolizer
5668 // is created and returns the symbol name that matches the ReferenceValue or
5669 // nullptr if none. The ReferenceType is passed in for the IN type of
5670 // reference the instruction is making from the values in defined in the header
5671 // "llvm-c/Disassembler.h". On return the ReferenceType can set to a specific
5672 // Out type and the ReferenceName will also be set which is added as a comment
5673 // to the disassembled instruction.
5676 // If the symbol name is a C++ mangled name then the demangled name is
5677 // returned through ReferenceName and ReferenceType is set to
5678 // LLVMDisassembler_ReferenceType_DeMangled_Name .
5681 // When this is called to get a symbol name for a branch target then the
5682 // ReferenceType will be LLVMDisassembler_ReferenceType_In_Branch and then
5683 // SymbolValue will be looked for in the indirect symbol table to determine if
5684 // it is an address for a symbol stub. If so then the symbol name for that
5685 // stub is returned indirectly through ReferenceName and then ReferenceType is
5686 // set to LLVMDisassembler_ReferenceType_Out_SymbolStub.
5688 // When this is called with an value loaded via a PC relative load then
5689 // ReferenceType will be LLVMDisassembler_ReferenceType_In_PCrel_Load then the
5690 // SymbolValue is checked to be an address of literal pointer, symbol pointer,
5691 // or an Objective-C meta data reference. If so the output ReferenceType is
5692 // set to correspond to that as well as setting the ReferenceName.
5693 static const char *SymbolizerSymbolLookUp(void *DisInfo,
5694 uint64_t ReferenceValue,
5695 uint64_t *ReferenceType,
5696 uint64_t ReferencePC,
5697 const char **ReferenceName) {
5698 struct DisassembleInfo *info = (struct DisassembleInfo *)DisInfo;
5699 // If no verbose symbolic information is wanted then just return nullptr.
5700 if (!info->verbose) {
5701 *ReferenceName = nullptr;
5702 *ReferenceType = LLVMDisassembler_ReferenceType_InOut_None;
5706 const char *SymbolName = GuessSymbolName(ReferenceValue, info->AddrMap);
5708 if (*ReferenceType == LLVMDisassembler_ReferenceType_In_Branch) {
5709 *ReferenceName = GuessIndirectSymbol(ReferenceValue, info);
5710 if (*ReferenceName != nullptr) {
5711 method_reference(info, ReferenceType, ReferenceName);
5712 if (*ReferenceType != LLVMDisassembler_ReferenceType_Out_Objc_Message)
5713 *ReferenceType = LLVMDisassembler_ReferenceType_Out_SymbolStub;
5716 if (SymbolName != nullptr && strncmp(SymbolName, "__Z", 3) == 0) {
5717 if (info->demangled_name != nullptr)
5718 free(info->demangled_name);
5720 info->demangled_name =
5721 abi::__cxa_demangle(SymbolName + 1, nullptr, nullptr, &status);
5722 if (info->demangled_name != nullptr) {
5723 *ReferenceName = info->demangled_name;
5724 *ReferenceType = LLVMDisassembler_ReferenceType_DeMangled_Name;
5726 *ReferenceType = LLVMDisassembler_ReferenceType_InOut_None;
5729 *ReferenceType = LLVMDisassembler_ReferenceType_InOut_None;
5730 } else if (*ReferenceType == LLVMDisassembler_ReferenceType_In_PCrel_Load) {
5732 GuessLiteralPointer(ReferenceValue, ReferencePC, ReferenceType, info);
5734 method_reference(info, ReferenceType, ReferenceName);
5736 *ReferenceType = LLVMDisassembler_ReferenceType_InOut_None;
5737 // If this is arm64 and the reference is an adrp instruction save the
5738 // instruction, passed in ReferenceValue and the address of the instruction
5739 // for use later if we see and add immediate instruction.
5740 } else if (info->O->getArch() == Triple::aarch64 &&
5741 *ReferenceType == LLVMDisassembler_ReferenceType_In_ARM64_ADRP) {
5742 info->adrp_inst = ReferenceValue;
5743 info->adrp_addr = ReferencePC;
5744 SymbolName = nullptr;
5745 *ReferenceName = nullptr;
5746 *ReferenceType = LLVMDisassembler_ReferenceType_InOut_None;
5747 // If this is arm64 and reference is an add immediate instruction and we
5749 // seen an adrp instruction just before it and the adrp's Xd register
5751 // this add's Xn register reconstruct the value being referenced and look to
5752 // see if it is a literal pointer. Note the add immediate instruction is
5753 // passed in ReferenceValue.
5754 } else if (info->O->getArch() == Triple::aarch64 &&
5755 *ReferenceType == LLVMDisassembler_ReferenceType_In_ARM64_ADDXri &&
5756 ReferencePC - 4 == info->adrp_addr &&
5757 (info->adrp_inst & 0x9f000000) == 0x90000000 &&
5758 (info->adrp_inst & 0x1f) == ((ReferenceValue >> 5) & 0x1f)) {
5759 uint32_t addxri_inst;
5760 uint64_t adrp_imm, addxri_imm;
5763 ((info->adrp_inst & 0x00ffffe0) >> 3) | ((info->adrp_inst >> 29) & 0x3);
5764 if (info->adrp_inst & 0x0200000)
5765 adrp_imm |= 0xfffffffffc000000LL;
5767 addxri_inst = ReferenceValue;
5768 addxri_imm = (addxri_inst >> 10) & 0xfff;
5769 if (((addxri_inst >> 22) & 0x3) == 1)
5772 ReferenceValue = (info->adrp_addr & 0xfffffffffffff000LL) +
5773 (adrp_imm << 12) + addxri_imm;
5776 GuessLiteralPointer(ReferenceValue, ReferencePC, ReferenceType, info);
5777 if (*ReferenceName == nullptr)
5778 *ReferenceType = LLVMDisassembler_ReferenceType_InOut_None;
5779 // If this is arm64 and the reference is a load register instruction and we
5780 // have seen an adrp instruction just before it and the adrp's Xd register
5781 // matches this add's Xn register reconstruct the value being referenced and
5782 // look to see if it is a literal pointer. Note the load register
5783 // instruction is passed in ReferenceValue.
5784 } else if (info->O->getArch() == Triple::aarch64 &&
5785 *ReferenceType == LLVMDisassembler_ReferenceType_In_ARM64_LDRXui &&
5786 ReferencePC - 4 == info->adrp_addr &&
5787 (info->adrp_inst & 0x9f000000) == 0x90000000 &&
5788 (info->adrp_inst & 0x1f) == ((ReferenceValue >> 5) & 0x1f)) {
5789 uint32_t ldrxui_inst;
5790 uint64_t adrp_imm, ldrxui_imm;
5793 ((info->adrp_inst & 0x00ffffe0) >> 3) | ((info->adrp_inst >> 29) & 0x3);
5794 if (info->adrp_inst & 0x0200000)
5795 adrp_imm |= 0xfffffffffc000000LL;
5797 ldrxui_inst = ReferenceValue;
5798 ldrxui_imm = (ldrxui_inst >> 10) & 0xfff;
5800 ReferenceValue = (info->adrp_addr & 0xfffffffffffff000LL) +
5801 (adrp_imm << 12) + (ldrxui_imm << 3);
5804 GuessLiteralPointer(ReferenceValue, ReferencePC, ReferenceType, info);
5805 if (*ReferenceName == nullptr)
5806 *ReferenceType = LLVMDisassembler_ReferenceType_InOut_None;
5808 // If this arm64 and is an load register (PC-relative) instruction the
5809 // ReferenceValue is the PC plus the immediate value.
5810 else if (info->O->getArch() == Triple::aarch64 &&
5811 (*ReferenceType == LLVMDisassembler_ReferenceType_In_ARM64_LDRXl ||
5812 *ReferenceType == LLVMDisassembler_ReferenceType_In_ARM64_ADR)) {
5814 GuessLiteralPointer(ReferenceValue, ReferencePC, ReferenceType, info);
5815 if (*ReferenceName == nullptr)
5816 *ReferenceType = LLVMDisassembler_ReferenceType_InOut_None;
5819 else if (SymbolName != nullptr && strncmp(SymbolName, "__Z", 3) == 0) {
5820 if (info->demangled_name != nullptr)
5821 free(info->demangled_name);
5823 info->demangled_name =
5824 abi::__cxa_demangle(SymbolName + 1, nullptr, nullptr, &status);
5825 if (info->demangled_name != nullptr) {
5826 *ReferenceName = info->demangled_name;
5827 *ReferenceType = LLVMDisassembler_ReferenceType_DeMangled_Name;
5832 *ReferenceName = nullptr;
5833 *ReferenceType = LLVMDisassembler_ReferenceType_InOut_None;
5839 /// \brief Emits the comments that are stored in the CommentStream.
5840 /// Each comment in the CommentStream must end with a newline.
5841 static void emitComments(raw_svector_ostream &CommentStream,
5842 SmallString<128> &CommentsToEmit,
5843 formatted_raw_ostream &FormattedOS,
5844 const MCAsmInfo &MAI) {
5845 // Flush the stream before taking its content.
5846 StringRef Comments = CommentsToEmit.str();
5847 // Get the default information for printing a comment.
5848 const char *CommentBegin = MAI.getCommentString();
5849 unsigned CommentColumn = MAI.getCommentColumn();
5850 bool IsFirst = true;
5851 while (!Comments.empty()) {
5853 FormattedOS << '\n';
5854 // Emit a line of comments.
5855 FormattedOS.PadToColumn(CommentColumn);
5856 size_t Position = Comments.find('\n');
5857 FormattedOS << CommentBegin << ' ' << Comments.substr(0, Position);
5858 // Move after the newline character.
5859 Comments = Comments.substr(Position + 1);
5862 FormattedOS.flush();
5864 // Tell the comment stream that the vector changed underneath it.
5865 CommentsToEmit.clear();
5868 static void DisassembleMachO(StringRef Filename, MachOObjectFile *MachOOF,
5869 StringRef DisSegName, StringRef DisSectName) {
5870 const char *McpuDefault = nullptr;
5871 const Target *ThumbTarget = nullptr;
5872 const Target *TheTarget = GetTarget(MachOOF, &McpuDefault, &ThumbTarget);
5874 // GetTarget prints out stuff.
5877 if (MCPU.empty() && McpuDefault)
5880 std::unique_ptr<const MCInstrInfo> InstrInfo(TheTarget->createMCInstrInfo());
5881 std::unique_ptr<const MCInstrInfo> ThumbInstrInfo;
5883 ThumbInstrInfo.reset(ThumbTarget->createMCInstrInfo());
5885 // Package up features to be passed to target/subtarget
5886 std::string FeaturesStr;
5887 if (MAttrs.size()) {
5888 SubtargetFeatures Features;
5889 for (unsigned i = 0; i != MAttrs.size(); ++i)
5890 Features.AddFeature(MAttrs[i]);
5891 FeaturesStr = Features.getString();
5894 // Set up disassembler.
5895 std::unique_ptr<const MCRegisterInfo> MRI(
5896 TheTarget->createMCRegInfo(TripleName));
5897 std::unique_ptr<const MCAsmInfo> AsmInfo(
5898 TheTarget->createMCAsmInfo(*MRI, TripleName));
5899 std::unique_ptr<const MCSubtargetInfo> STI(
5900 TheTarget->createMCSubtargetInfo(TripleName, MCPU, FeaturesStr));
5901 MCContext Ctx(AsmInfo.get(), MRI.get(), nullptr);
5902 std::unique_ptr<MCDisassembler> DisAsm(
5903 TheTarget->createMCDisassembler(*STI, Ctx));
5904 std::unique_ptr<MCSymbolizer> Symbolizer;
5905 struct DisassembleInfo SymbolizerInfo;
5906 std::unique_ptr<MCRelocationInfo> RelInfo(
5907 TheTarget->createMCRelocationInfo(TripleName, Ctx));
5909 Symbolizer.reset(TheTarget->createMCSymbolizer(
5910 TripleName, SymbolizerGetOpInfo, SymbolizerSymbolLookUp,
5911 &SymbolizerInfo, &Ctx, std::move(RelInfo)));
5912 DisAsm->setSymbolizer(std::move(Symbolizer));
5914 int AsmPrinterVariant = AsmInfo->getAssemblerDialect();
5915 std::unique_ptr<MCInstPrinter> IP(TheTarget->createMCInstPrinter(
5916 Triple(TripleName), AsmPrinterVariant, *AsmInfo, *InstrInfo, *MRI));
5917 // Set the display preference for hex vs. decimal immediates.
5918 IP->setPrintImmHex(PrintImmHex);
5919 // Comment stream and backing vector.
5920 SmallString<128> CommentsToEmit;
5921 raw_svector_ostream CommentStream(CommentsToEmit);
5922 // FIXME: Setting the CommentStream in the InstPrinter is problematic in that
5923 // if it is done then arm64 comments for string literals don't get printed
5924 // and some constant get printed instead and not setting it causes intel
5925 // (32-bit and 64-bit) comments printed with different spacing before the
5926 // comment causing different diffs with the 'C' disassembler library API.
5927 // IP->setCommentStream(CommentStream);
5929 if (!AsmInfo || !STI || !DisAsm || !IP) {
5930 errs() << "error: couldn't initialize disassembler for target "
5931 << TripleName << '\n';
5935 // Set up thumb disassembler.
5936 std::unique_ptr<const MCRegisterInfo> ThumbMRI;
5937 std::unique_ptr<const MCAsmInfo> ThumbAsmInfo;
5938 std::unique_ptr<const MCSubtargetInfo> ThumbSTI;
5939 std::unique_ptr<MCDisassembler> ThumbDisAsm;
5940 std::unique_ptr<MCInstPrinter> ThumbIP;
5941 std::unique_ptr<MCContext> ThumbCtx;
5942 std::unique_ptr<MCSymbolizer> ThumbSymbolizer;
5943 struct DisassembleInfo ThumbSymbolizerInfo;
5944 std::unique_ptr<MCRelocationInfo> ThumbRelInfo;
5946 ThumbMRI.reset(ThumbTarget->createMCRegInfo(ThumbTripleName));
5948 ThumbTarget->createMCAsmInfo(*ThumbMRI, ThumbTripleName));
5950 ThumbTarget->createMCSubtargetInfo(ThumbTripleName, MCPU, FeaturesStr));
5951 ThumbCtx.reset(new MCContext(ThumbAsmInfo.get(), ThumbMRI.get(), nullptr));
5952 ThumbDisAsm.reset(ThumbTarget->createMCDisassembler(*ThumbSTI, *ThumbCtx));
5953 MCContext *PtrThumbCtx = ThumbCtx.get();
5955 ThumbTarget->createMCRelocationInfo(ThumbTripleName, *PtrThumbCtx));
5957 ThumbSymbolizer.reset(ThumbTarget->createMCSymbolizer(
5958 ThumbTripleName, SymbolizerGetOpInfo, SymbolizerSymbolLookUp,
5959 &ThumbSymbolizerInfo, PtrThumbCtx, std::move(ThumbRelInfo)));
5960 ThumbDisAsm->setSymbolizer(std::move(ThumbSymbolizer));
5962 int ThumbAsmPrinterVariant = ThumbAsmInfo->getAssemblerDialect();
5963 ThumbIP.reset(ThumbTarget->createMCInstPrinter(
5964 Triple(ThumbTripleName), ThumbAsmPrinterVariant, *ThumbAsmInfo,
5965 *ThumbInstrInfo, *ThumbMRI));
5966 // Set the display preference for hex vs. decimal immediates.
5967 ThumbIP->setPrintImmHex(PrintImmHex);
5970 if (ThumbTarget && (!ThumbAsmInfo || !ThumbSTI || !ThumbDisAsm || !ThumbIP)) {
5971 errs() << "error: couldn't initialize disassembler for target "
5972 << ThumbTripleName << '\n';
5976 MachO::mach_header Header = MachOOF->getHeader();
5978 // FIXME: Using the -cfg command line option, this code used to be able to
5979 // annotate relocations with the referenced symbol's name, and if this was
5980 // inside a __[cf]string section, the data it points to. This is now replaced
5981 // by the upcoming MCSymbolizer, which needs the appropriate setup done above.
5982 std::vector<SectionRef> Sections;
5983 std::vector<SymbolRef> Symbols;
5984 SmallVector<uint64_t, 8> FoundFns;
5985 uint64_t BaseSegmentAddress;
5987 getSectionsAndSymbols(MachOOF, Sections, Symbols, FoundFns,
5988 BaseSegmentAddress);
5990 // Sort the symbols by address, just in case they didn't come in that way.
5991 std::sort(Symbols.begin(), Symbols.end(), SymbolSorter());
5993 // Build a data in code table that is sorted on by the address of each entry.
5994 uint64_t BaseAddress = 0;
5995 if (Header.filetype == MachO::MH_OBJECT)
5996 BaseAddress = Sections[0].getAddress();
5998 BaseAddress = BaseSegmentAddress;
6000 for (dice_iterator DI = MachOOF->begin_dices(), DE = MachOOF->end_dices();
6003 DI->getOffset(Offset);
6004 Dices.push_back(std::make_pair(BaseAddress + Offset, *DI));
6006 array_pod_sort(Dices.begin(), Dices.end());
6009 raw_ostream &DebugOut = DebugFlag ? dbgs() : nulls();
6011 raw_ostream &DebugOut = nulls();
6014 std::unique_ptr<DIContext> diContext;
6015 ObjectFile *DbgObj = MachOOF;
6016 // Try to find debug info and set up the DIContext for it.
6018 // A separate DSym file path was specified, parse it as a macho file,
6019 // get the sections and supply it to the section name parsing machinery.
6020 if (!DSYMFile.empty()) {
6021 ErrorOr<std::unique_ptr<MemoryBuffer>> BufOrErr =
6022 MemoryBuffer::getFileOrSTDIN(DSYMFile);
6023 if (std::error_code EC = BufOrErr.getError()) {
6024 errs() << "llvm-objdump: " << Filename << ": " << EC.message() << '\n';
6028 ObjectFile::createMachOObjectFile(BufOrErr.get()->getMemBufferRef())
6033 // Setup the DIContext
6034 diContext.reset(new DWARFContextInMemory(*DbgObj));
6037 if (FilterSections.size() == 0)
6038 outs() << "(" << DisSegName << "," << DisSectName << ") section\n";
6040 for (unsigned SectIdx = 0; SectIdx != Sections.size(); SectIdx++) {
6042 if (Sections[SectIdx].getName(SectName) || SectName != DisSectName)
6045 DataRefImpl DR = Sections[SectIdx].getRawDataRefImpl();
6047 StringRef SegmentName = MachOOF->getSectionFinalSegmentName(DR);
6048 if (SegmentName != DisSegName)
6052 Sections[SectIdx].getContents(BytesStr);
6053 ArrayRef<uint8_t> Bytes(reinterpret_cast<const uint8_t *>(BytesStr.data()),
6055 uint64_t SectAddress = Sections[SectIdx].getAddress();
6057 bool symbolTableWorked = false;
6059 // Parse relocations.
6060 std::vector<std::pair<uint64_t, SymbolRef>> Relocs;
6061 for (const RelocationRef &Reloc : Sections[SectIdx].relocations()) {
6062 uint64_t RelocOffset = Reloc.getOffset();
6063 uint64_t SectionAddress = Sections[SectIdx].getAddress();
6064 RelocOffset -= SectionAddress;
6066 symbol_iterator RelocSym = Reloc.getSymbol();
6068 Relocs.push_back(std::make_pair(RelocOffset, *RelocSym));
6070 array_pod_sort(Relocs.begin(), Relocs.end());
6072 // Create a map of symbol addresses to symbol names for use by
6073 // the SymbolizerSymbolLookUp() routine.
6074 SymbolAddressMap AddrMap;
6075 bool DisSymNameFound = false;
6076 for (const SymbolRef &Symbol : MachOOF->symbols()) {
6077 SymbolRef::Type ST = Symbol.getType();
6078 if (ST == SymbolRef::ST_Function || ST == SymbolRef::ST_Data ||
6079 ST == SymbolRef::ST_Other) {
6080 uint64_t Address = Symbol.getValue();
6081 ErrorOr<StringRef> SymNameOrErr = Symbol.getName();
6082 if (std::error_code EC = SymNameOrErr.getError())
6083 report_fatal_error(EC.message());
6084 StringRef SymName = *SymNameOrErr;
6085 AddrMap[Address] = SymName;
6086 if (!DisSymName.empty() && DisSymName == SymName)
6087 DisSymNameFound = true;
6090 if (!DisSymName.empty() && !DisSymNameFound) {
6091 outs() << "Can't find -dis-symname: " << DisSymName << "\n";
6094 // Set up the block of info used by the Symbolizer call backs.
6095 SymbolizerInfo.verbose = !NoSymbolicOperands;
6096 SymbolizerInfo.O = MachOOF;
6097 SymbolizerInfo.S = Sections[SectIdx];
6098 SymbolizerInfo.AddrMap = &AddrMap;
6099 SymbolizerInfo.Sections = &Sections;
6100 SymbolizerInfo.class_name = nullptr;
6101 SymbolizerInfo.selector_name = nullptr;
6102 SymbolizerInfo.method = nullptr;
6103 SymbolizerInfo.demangled_name = nullptr;
6104 SymbolizerInfo.bindtable = nullptr;
6105 SymbolizerInfo.adrp_addr = 0;
6106 SymbolizerInfo.adrp_inst = 0;
6107 // Same for the ThumbSymbolizer
6108 ThumbSymbolizerInfo.verbose = !NoSymbolicOperands;
6109 ThumbSymbolizerInfo.O = MachOOF;
6110 ThumbSymbolizerInfo.S = Sections[SectIdx];
6111 ThumbSymbolizerInfo.AddrMap = &AddrMap;
6112 ThumbSymbolizerInfo.Sections = &Sections;
6113 ThumbSymbolizerInfo.class_name = nullptr;
6114 ThumbSymbolizerInfo.selector_name = nullptr;
6115 ThumbSymbolizerInfo.method = nullptr;
6116 ThumbSymbolizerInfo.demangled_name = nullptr;
6117 ThumbSymbolizerInfo.bindtable = nullptr;
6118 ThumbSymbolizerInfo.adrp_addr = 0;
6119 ThumbSymbolizerInfo.adrp_inst = 0;
6121 // Disassemble symbol by symbol.
6122 for (unsigned SymIdx = 0; SymIdx != Symbols.size(); SymIdx++) {
6123 ErrorOr<StringRef> SymNameOrErr = Symbols[SymIdx].getName();
6124 if (std::error_code EC = SymNameOrErr.getError())
6125 report_fatal_error(EC.message());
6126 StringRef SymName = *SymNameOrErr;
6128 SymbolRef::Type ST = Symbols[SymIdx].getType();
6129 if (ST != SymbolRef::ST_Function)
6132 // Make sure the symbol is defined in this section.
6133 bool containsSym = Sections[SectIdx].containsSymbol(Symbols[SymIdx]);
6137 // If we are only disassembling one symbol see if this is that symbol.
6138 if (!DisSymName.empty() && DisSymName != SymName)
6141 // Start at the address of the symbol relative to the section's address.
6142 uint64_t Start = Symbols[SymIdx].getValue();
6143 uint64_t SectionAddress = Sections[SectIdx].getAddress();
6144 Start -= SectionAddress;
6146 // Stop disassembling either at the beginning of the next symbol or at
6147 // the end of the section.
6148 bool containsNextSym = false;
6149 uint64_t NextSym = 0;
6150 uint64_t NextSymIdx = SymIdx + 1;
6151 while (Symbols.size() > NextSymIdx) {
6152 SymbolRef::Type NextSymType = Symbols[NextSymIdx].getType();
6153 if (NextSymType == SymbolRef::ST_Function) {
6155 Sections[SectIdx].containsSymbol(Symbols[NextSymIdx]);
6156 NextSym = Symbols[NextSymIdx].getValue();
6157 NextSym -= SectionAddress;
6163 uint64_t SectSize = Sections[SectIdx].getSize();
6164 uint64_t End = containsNextSym ? NextSym : SectSize;
6167 symbolTableWorked = true;
6169 DataRefImpl Symb = Symbols[SymIdx].getRawDataRefImpl();
6171 (MachOOF->getSymbolFlags(Symb) & SymbolRef::SF_Thumb) && ThumbTarget;
6173 outs() << SymName << ":\n";
6174 DILineInfo lastLine;
6175 for (uint64_t Index = Start; Index < End; Index += Size) {
6178 uint64_t PC = SectAddress + Index;
6179 if (!NoLeadingAddr) {
6180 if (FullLeadingAddr) {
6181 if (MachOOF->is64Bit())
6182 outs() << format("%016" PRIx64, PC);
6184 outs() << format("%08" PRIx64, PC);
6186 outs() << format("%8" PRIx64 ":", PC);
6192 // Check the data in code table here to see if this is data not an
6193 // instruction to be disassembled.
6195 Dice.push_back(std::make_pair(PC, DiceRef()));
6196 dice_table_iterator DTI =
6197 std::search(Dices.begin(), Dices.end(), Dice.begin(), Dice.end(),
6198 compareDiceTableEntries);
6199 if (DTI != Dices.end()) {
6201 DTI->second.getLength(Length);
6203 DTI->second.getKind(Kind);
6204 Size = DumpDataInCode(Bytes.data() + Index, Length, Kind);
6205 if ((Kind == MachO::DICE_KIND_JUMP_TABLE8) &&
6206 (PC == (DTI->first + Length - 1)) && (Length & 1))
6211 SmallVector<char, 64> AnnotationsBytes;
6212 raw_svector_ostream Annotations(AnnotationsBytes);
6216 gotInst = ThumbDisAsm->getInstruction(Inst, Size, Bytes.slice(Index),
6217 PC, DebugOut, Annotations);
6219 gotInst = DisAsm->getInstruction(Inst, Size, Bytes.slice(Index), PC,
6220 DebugOut, Annotations);
6222 if (!NoShowRawInsn) {
6223 dumpBytes(makeArrayRef(Bytes.data() + Index, Size), outs());
6225 formatted_raw_ostream FormattedOS(outs());
6226 StringRef AnnotationsStr = Annotations.str();
6228 ThumbIP->printInst(&Inst, FormattedOS, AnnotationsStr, *ThumbSTI);
6230 IP->printInst(&Inst, FormattedOS, AnnotationsStr, *STI);
6231 emitComments(CommentStream, CommentsToEmit, FormattedOS, *AsmInfo);
6233 // Print debug info.
6235 DILineInfo dli = diContext->getLineInfoForAddress(PC);
6236 // Print valid line info if it changed.
6237 if (dli != lastLine && dli.Line != 0)
6238 outs() << "\t## " << dli.FileName << ':' << dli.Line << ':'
6244 unsigned int Arch = MachOOF->getArch();
6245 if (Arch == Triple::x86_64 || Arch == Triple::x86) {
6246 outs() << format("\t.byte 0x%02x #bad opcode\n",
6247 *(Bytes.data() + Index) & 0xff);
6248 Size = 1; // skip exactly one illegible byte and move on.
6249 } else if (Arch == Triple::aarch64) {
6250 uint32_t opcode = (*(Bytes.data() + Index) & 0xff) |
6251 (*(Bytes.data() + Index + 1) & 0xff) << 8 |
6252 (*(Bytes.data() + Index + 2) & 0xff) << 16 |
6253 (*(Bytes.data() + Index + 3) & 0xff) << 24;
6254 outs() << format("\t.long\t0x%08x\n", opcode);
6257 errs() << "llvm-objdump: warning: invalid instruction encoding\n";
6259 Size = 1; // skip illegible bytes
6264 if (!symbolTableWorked) {
6265 // Reading the symbol table didn't work, disassemble the whole section.
6266 uint64_t SectAddress = Sections[SectIdx].getAddress();
6267 uint64_t SectSize = Sections[SectIdx].getSize();
6269 for (uint64_t Index = 0; Index < SectSize; Index += InstSize) {
6272 uint64_t PC = SectAddress + Index;
6273 if (DisAsm->getInstruction(Inst, InstSize, Bytes.slice(Index), PC,
6274 DebugOut, nulls())) {
6275 if (!NoLeadingAddr) {
6276 if (FullLeadingAddr) {
6277 if (MachOOF->is64Bit())
6278 outs() << format("%016" PRIx64, PC);
6280 outs() << format("%08" PRIx64, PC);
6282 outs() << format("%8" PRIx64 ":", PC);
6285 if (!NoShowRawInsn) {
6287 dumpBytes(makeArrayRef(Bytes.data() + Index, InstSize), outs());
6289 IP->printInst(&Inst, outs(), "", *STI);
6292 unsigned int Arch = MachOOF->getArch();
6293 if (Arch == Triple::x86_64 || Arch == Triple::x86) {
6294 outs() << format("\t.byte 0x%02x #bad opcode\n",
6295 *(Bytes.data() + Index) & 0xff);
6296 InstSize = 1; // skip exactly one illegible byte and move on.
6298 errs() << "llvm-objdump: warning: invalid instruction encoding\n";
6300 InstSize = 1; // skip illegible bytes
6305 // The TripleName's need to be reset if we are called again for a different
6308 ThumbTripleName = "";
6310 if (SymbolizerInfo.method != nullptr)
6311 free(SymbolizerInfo.method);
6312 if (SymbolizerInfo.demangled_name != nullptr)
6313 free(SymbolizerInfo.demangled_name);
6314 if (SymbolizerInfo.bindtable != nullptr)
6315 delete SymbolizerInfo.bindtable;
6316 if (ThumbSymbolizerInfo.method != nullptr)
6317 free(ThumbSymbolizerInfo.method);
6318 if (ThumbSymbolizerInfo.demangled_name != nullptr)
6319 free(ThumbSymbolizerInfo.demangled_name);
6320 if (ThumbSymbolizerInfo.bindtable != nullptr)
6321 delete ThumbSymbolizerInfo.bindtable;
6325 //===----------------------------------------------------------------------===//
6326 // __compact_unwind section dumping
6327 //===----------------------------------------------------------------------===//
6331 template <typename T> static uint64_t readNext(const char *&Buf) {
6332 using llvm::support::little;
6333 using llvm::support::unaligned;
6335 uint64_t Val = support::endian::read<T, little, unaligned>(Buf);
6340 struct CompactUnwindEntry {
6341 uint32_t OffsetInSection;
6343 uint64_t FunctionAddr;
6345 uint32_t CompactEncoding;
6346 uint64_t PersonalityAddr;
6349 RelocationRef FunctionReloc;
6350 RelocationRef PersonalityReloc;
6351 RelocationRef LSDAReloc;
6353 CompactUnwindEntry(StringRef Contents, unsigned Offset, bool Is64)
6354 : OffsetInSection(Offset) {
6356 read<uint64_t>(Contents.data() + Offset);
6358 read<uint32_t>(Contents.data() + Offset);
6362 template <typename UIntPtr> void read(const char *Buf) {
6363 FunctionAddr = readNext<UIntPtr>(Buf);
6364 Length = readNext<uint32_t>(Buf);
6365 CompactEncoding = readNext<uint32_t>(Buf);
6366 PersonalityAddr = readNext<UIntPtr>(Buf);
6367 LSDAAddr = readNext<UIntPtr>(Buf);
6372 /// Given a relocation from __compact_unwind, consisting of the RelocationRef
6373 /// and data being relocated, determine the best base Name and Addend to use for
6374 /// display purposes.
6376 /// 1. An Extern relocation will directly reference a symbol (and the data is
6377 /// then already an addend), so use that.
6378 /// 2. Otherwise the data is an offset in the object file's layout; try to find
6379 // a symbol before it in the same section, and use the offset from there.
6380 /// 3. Finally, if all that fails, fall back to an offset from the start of the
6381 /// referenced section.
6382 static void findUnwindRelocNameAddend(const MachOObjectFile *Obj,
6383 std::map<uint64_t, SymbolRef> &Symbols,
6384 const RelocationRef &Reloc, uint64_t Addr,
6385 StringRef &Name, uint64_t &Addend) {
6386 if (Reloc.getSymbol() != Obj->symbol_end()) {
6387 ErrorOr<StringRef> NameOrErr = Reloc.getSymbol()->getName();
6388 if (std::error_code EC = NameOrErr.getError())
6389 report_fatal_error(EC.message());
6395 auto RE = Obj->getRelocation(Reloc.getRawDataRefImpl());
6396 SectionRef RelocSection = Obj->getAnyRelocationSection(RE);
6398 uint64_t SectionAddr = RelocSection.getAddress();
6400 auto Sym = Symbols.upper_bound(Addr);
6401 if (Sym == Symbols.begin()) {
6402 // The first symbol in the object is after this reference, the best we can
6403 // do is section-relative notation.
6404 RelocSection.getName(Name);
6405 Addend = Addr - SectionAddr;
6409 // Go back one so that SymbolAddress <= Addr.
6412 section_iterator SymSection = *Sym->second.getSection();
6413 if (RelocSection == *SymSection) {
6414 // There's a valid symbol in the same section before this reference.
6415 ErrorOr<StringRef> NameOrErr = Sym->second.getName();
6416 if (std::error_code EC = NameOrErr.getError())
6417 report_fatal_error(EC.message());
6419 Addend = Addr - Sym->first;
6423 // There is a symbol before this reference, but it's in a different
6424 // section. Probably not helpful to mention it, so use the section name.
6425 RelocSection.getName(Name);
6426 Addend = Addr - SectionAddr;
6429 static void printUnwindRelocDest(const MachOObjectFile *Obj,
6430 std::map<uint64_t, SymbolRef> &Symbols,
6431 const RelocationRef &Reloc, uint64_t Addr) {
6435 if (!Reloc.getObject())
6438 findUnwindRelocNameAddend(Obj, Symbols, Reloc, Addr, Name, Addend);
6442 outs() << " + " << format("0x%" PRIx64, Addend);
6446 printMachOCompactUnwindSection(const MachOObjectFile *Obj,
6447 std::map<uint64_t, SymbolRef> &Symbols,
6448 const SectionRef &CompactUnwind) {
6450 assert(Obj->isLittleEndian() &&
6451 "There should not be a big-endian .o with __compact_unwind");
6453 bool Is64 = Obj->is64Bit();
6454 uint32_t PointerSize = Is64 ? sizeof(uint64_t) : sizeof(uint32_t);
6455 uint32_t EntrySize = 3 * PointerSize + 2 * sizeof(uint32_t);
6458 CompactUnwind.getContents(Contents);
6460 SmallVector<CompactUnwindEntry, 4> CompactUnwinds;
6462 // First populate the initial raw offsets, encodings and so on from the entry.
6463 for (unsigned Offset = 0; Offset < Contents.size(); Offset += EntrySize) {
6464 CompactUnwindEntry Entry(Contents.data(), Offset, Is64);
6465 CompactUnwinds.push_back(Entry);
6468 // Next we need to look at the relocations to find out what objects are
6469 // actually being referred to.
6470 for (const RelocationRef &Reloc : CompactUnwind.relocations()) {
6471 uint64_t RelocAddress = Reloc.getOffset();
6473 uint32_t EntryIdx = RelocAddress / EntrySize;
6474 uint32_t OffsetInEntry = RelocAddress - EntryIdx * EntrySize;
6475 CompactUnwindEntry &Entry = CompactUnwinds[EntryIdx];
6477 if (OffsetInEntry == 0)
6478 Entry.FunctionReloc = Reloc;
6479 else if (OffsetInEntry == PointerSize + 2 * sizeof(uint32_t))
6480 Entry.PersonalityReloc = Reloc;
6481 else if (OffsetInEntry == 2 * PointerSize + 2 * sizeof(uint32_t))
6482 Entry.LSDAReloc = Reloc;
6484 llvm_unreachable("Unexpected relocation in __compact_unwind section");
6487 // Finally, we're ready to print the data we've gathered.
6488 outs() << "Contents of __compact_unwind section:\n";
6489 for (auto &Entry : CompactUnwinds) {
6490 outs() << " Entry at offset "
6491 << format("0x%" PRIx32, Entry.OffsetInSection) << ":\n";
6493 // 1. Start of the region this entry applies to.
6494 outs() << " start: " << format("0x%" PRIx64,
6495 Entry.FunctionAddr) << ' ';
6496 printUnwindRelocDest(Obj, Symbols, Entry.FunctionReloc, Entry.FunctionAddr);
6499 // 2. Length of the region this entry applies to.
6500 outs() << " length: " << format("0x%" PRIx32, Entry.Length)
6502 // 3. The 32-bit compact encoding.
6503 outs() << " compact encoding: "
6504 << format("0x%08" PRIx32, Entry.CompactEncoding) << '\n';
6506 // 4. The personality function, if present.
6507 if (Entry.PersonalityReloc.getObject()) {
6508 outs() << " personality function: "
6509 << format("0x%" PRIx64, Entry.PersonalityAddr) << ' ';
6510 printUnwindRelocDest(Obj, Symbols, Entry.PersonalityReloc,
6511 Entry.PersonalityAddr);
6515 // 5. This entry's language-specific data area.
6516 if (Entry.LSDAReloc.getObject()) {
6517 outs() << " LSDA: " << format("0x%" PRIx64,
6518 Entry.LSDAAddr) << ' ';
6519 printUnwindRelocDest(Obj, Symbols, Entry.LSDAReloc, Entry.LSDAAddr);
6525 //===----------------------------------------------------------------------===//
6526 // __unwind_info section dumping
6527 //===----------------------------------------------------------------------===//
6529 static void printRegularSecondLevelUnwindPage(const char *PageStart) {
6530 const char *Pos = PageStart;
6531 uint32_t Kind = readNext<uint32_t>(Pos);
6533 assert(Kind == 2 && "kind for a regular 2nd level index should be 2");
6535 uint16_t EntriesStart = readNext<uint16_t>(Pos);
6536 uint16_t NumEntries = readNext<uint16_t>(Pos);
6538 Pos = PageStart + EntriesStart;
6539 for (unsigned i = 0; i < NumEntries; ++i) {
6540 uint32_t FunctionOffset = readNext<uint32_t>(Pos);
6541 uint32_t Encoding = readNext<uint32_t>(Pos);
6543 outs() << " [" << i << "]: "
6544 << "function offset=" << format("0x%08" PRIx32, FunctionOffset)
6546 << "encoding=" << format("0x%08" PRIx32, Encoding) << '\n';
6550 static void printCompressedSecondLevelUnwindPage(
6551 const char *PageStart, uint32_t FunctionBase,
6552 const SmallVectorImpl<uint32_t> &CommonEncodings) {
6553 const char *Pos = PageStart;
6554 uint32_t Kind = readNext<uint32_t>(Pos);
6556 assert(Kind == 3 && "kind for a compressed 2nd level index should be 3");
6558 uint16_t EntriesStart = readNext<uint16_t>(Pos);
6559 uint16_t NumEntries = readNext<uint16_t>(Pos);
6561 uint16_t EncodingsStart = readNext<uint16_t>(Pos);
6562 readNext<uint16_t>(Pos);
6563 const auto *PageEncodings = reinterpret_cast<const support::ulittle32_t *>(
6564 PageStart + EncodingsStart);
6566 Pos = PageStart + EntriesStart;
6567 for (unsigned i = 0; i < NumEntries; ++i) {
6568 uint32_t Entry = readNext<uint32_t>(Pos);
6569 uint32_t FunctionOffset = FunctionBase + (Entry & 0xffffff);
6570 uint32_t EncodingIdx = Entry >> 24;
6573 if (EncodingIdx < CommonEncodings.size())
6574 Encoding = CommonEncodings[EncodingIdx];
6576 Encoding = PageEncodings[EncodingIdx - CommonEncodings.size()];
6578 outs() << " [" << i << "]: "
6579 << "function offset=" << format("0x%08" PRIx32, FunctionOffset)
6581 << "encoding[" << EncodingIdx
6582 << "]=" << format("0x%08" PRIx32, Encoding) << '\n';
6586 static void printMachOUnwindInfoSection(const MachOObjectFile *Obj,
6587 std::map<uint64_t, SymbolRef> &Symbols,
6588 const SectionRef &UnwindInfo) {
6590 assert(Obj->isLittleEndian() &&
6591 "There should not be a big-endian .o with __unwind_info");
6593 outs() << "Contents of __unwind_info section:\n";
6596 UnwindInfo.getContents(Contents);
6597 const char *Pos = Contents.data();
6599 //===----------------------------------
6601 //===----------------------------------
6603 uint32_t Version = readNext<uint32_t>(Pos);
6604 outs() << " Version: "
6605 << format("0x%" PRIx32, Version) << '\n';
6606 assert(Version == 1 && "only understand version 1");
6608 uint32_t CommonEncodingsStart = readNext<uint32_t>(Pos);
6609 outs() << " Common encodings array section offset: "
6610 << format("0x%" PRIx32, CommonEncodingsStart) << '\n';
6611 uint32_t NumCommonEncodings = readNext<uint32_t>(Pos);
6612 outs() << " Number of common encodings in array: "
6613 << format("0x%" PRIx32, NumCommonEncodings) << '\n';
6615 uint32_t PersonalitiesStart = readNext<uint32_t>(Pos);
6616 outs() << " Personality function array section offset: "
6617 << format("0x%" PRIx32, PersonalitiesStart) << '\n';
6618 uint32_t NumPersonalities = readNext<uint32_t>(Pos);
6619 outs() << " Number of personality functions in array: "
6620 << format("0x%" PRIx32, NumPersonalities) << '\n';
6622 uint32_t IndicesStart = readNext<uint32_t>(Pos);
6623 outs() << " Index array section offset: "
6624 << format("0x%" PRIx32, IndicesStart) << '\n';
6625 uint32_t NumIndices = readNext<uint32_t>(Pos);
6626 outs() << " Number of indices in array: "
6627 << format("0x%" PRIx32, NumIndices) << '\n';
6629 //===----------------------------------
6630 // A shared list of common encodings
6631 //===----------------------------------
6633 // These occupy indices in the range [0, N] whenever an encoding is referenced
6634 // from a compressed 2nd level index table. In practice the linker only
6635 // creates ~128 of these, so that indices are available to embed encodings in
6636 // the 2nd level index.
6638 SmallVector<uint32_t, 64> CommonEncodings;
6639 outs() << " Common encodings: (count = " << NumCommonEncodings << ")\n";
6640 Pos = Contents.data() + CommonEncodingsStart;
6641 for (unsigned i = 0; i < NumCommonEncodings; ++i) {
6642 uint32_t Encoding = readNext<uint32_t>(Pos);
6643 CommonEncodings.push_back(Encoding);
6645 outs() << " encoding[" << i << "]: " << format("0x%08" PRIx32, Encoding)
6649 //===----------------------------------
6650 // Personality functions used in this executable
6651 //===----------------------------------
6653 // There should be only a handful of these (one per source language,
6654 // roughly). Particularly since they only get 2 bits in the compact encoding.
6656 outs() << " Personality functions: (count = " << NumPersonalities << ")\n";
6657 Pos = Contents.data() + PersonalitiesStart;
6658 for (unsigned i = 0; i < NumPersonalities; ++i) {
6659 uint32_t PersonalityFn = readNext<uint32_t>(Pos);
6660 outs() << " personality[" << i + 1
6661 << "]: " << format("0x%08" PRIx32, PersonalityFn) << '\n';
6664 //===----------------------------------
6665 // The level 1 index entries
6666 //===----------------------------------
6668 // These specify an approximate place to start searching for the more detailed
6669 // information, sorted by PC.
6672 uint32_t FunctionOffset;
6673 uint32_t SecondLevelPageStart;
6677 SmallVector<IndexEntry, 4> IndexEntries;
6679 outs() << " Top level indices: (count = " << NumIndices << ")\n";
6680 Pos = Contents.data() + IndicesStart;
6681 for (unsigned i = 0; i < NumIndices; ++i) {
6684 Entry.FunctionOffset = readNext<uint32_t>(Pos);
6685 Entry.SecondLevelPageStart = readNext<uint32_t>(Pos);
6686 Entry.LSDAStart = readNext<uint32_t>(Pos);
6687 IndexEntries.push_back(Entry);
6689 outs() << " [" << i << "]: "
6690 << "function offset=" << format("0x%08" PRIx32, Entry.FunctionOffset)
6692 << "2nd level page offset="
6693 << format("0x%08" PRIx32, Entry.SecondLevelPageStart) << ", "
6694 << "LSDA offset=" << format("0x%08" PRIx32, Entry.LSDAStart) << '\n';
6697 //===----------------------------------
6698 // Next come the LSDA tables
6699 //===----------------------------------
6701 // The LSDA layout is rather implicit: it's a contiguous array of entries from
6702 // the first top-level index's LSDAOffset to the last (sentinel).
6704 outs() << " LSDA descriptors:\n";
6705 Pos = Contents.data() + IndexEntries[0].LSDAStart;
6706 int NumLSDAs = (IndexEntries.back().LSDAStart - IndexEntries[0].LSDAStart) /
6707 (2 * sizeof(uint32_t));
6708 for (int i = 0; i < NumLSDAs; ++i) {
6709 uint32_t FunctionOffset = readNext<uint32_t>(Pos);
6710 uint32_t LSDAOffset = readNext<uint32_t>(Pos);
6711 outs() << " [" << i << "]: "
6712 << "function offset=" << format("0x%08" PRIx32, FunctionOffset)
6714 << "LSDA offset=" << format("0x%08" PRIx32, LSDAOffset) << '\n';
6717 //===----------------------------------
6718 // Finally, the 2nd level indices
6719 //===----------------------------------
6721 // Generally these are 4K in size, and have 2 possible forms:
6722 // + Regular stores up to 511 entries with disparate encodings
6723 // + Compressed stores up to 1021 entries if few enough compact encoding
6725 outs() << " Second level indices:\n";
6726 for (unsigned i = 0; i < IndexEntries.size() - 1; ++i) {
6727 // The final sentinel top-level index has no associated 2nd level page
6728 if (IndexEntries[i].SecondLevelPageStart == 0)
6731 outs() << " Second level index[" << i << "]: "
6732 << "offset in section="
6733 << format("0x%08" PRIx32, IndexEntries[i].SecondLevelPageStart)
6735 << "base function offset="
6736 << format("0x%08" PRIx32, IndexEntries[i].FunctionOffset) << '\n';
6738 Pos = Contents.data() + IndexEntries[i].SecondLevelPageStart;
6739 uint32_t Kind = *reinterpret_cast<const support::ulittle32_t *>(Pos);
6741 printRegularSecondLevelUnwindPage(Pos);
6743 printCompressedSecondLevelUnwindPage(Pos, IndexEntries[i].FunctionOffset,
6746 llvm_unreachable("Do not know how to print this kind of 2nd level page");
6750 void llvm::printMachOUnwindInfo(const MachOObjectFile *Obj) {
6751 std::map<uint64_t, SymbolRef> Symbols;
6752 for (const SymbolRef &SymRef : Obj->symbols()) {
6753 // Discard any undefined or absolute symbols. They're not going to take part
6754 // in the convenience lookup for unwind info and just take up resources.
6755 section_iterator Section = *SymRef.getSection();
6756 if (Section == Obj->section_end())
6759 uint64_t Addr = SymRef.getValue();
6760 Symbols.insert(std::make_pair(Addr, SymRef));
6763 for (const SectionRef &Section : Obj->sections()) {
6765 Section.getName(SectName);
6766 if (SectName == "__compact_unwind")
6767 printMachOCompactUnwindSection(Obj, Symbols, Section);
6768 else if (SectName == "__unwind_info")
6769 printMachOUnwindInfoSection(Obj, Symbols, Section);
6770 else if (SectName == "__eh_frame")
6771 outs() << "llvm-objdump: warning: unhandled __eh_frame section\n";
6775 static void PrintMachHeader(uint32_t magic, uint32_t cputype,
6776 uint32_t cpusubtype, uint32_t filetype,
6777 uint32_t ncmds, uint32_t sizeofcmds, uint32_t flags,
6779 outs() << "Mach header\n";
6780 outs() << " magic cputype cpusubtype caps filetype ncmds "
6781 "sizeofcmds flags\n";
6783 if (magic == MachO::MH_MAGIC)
6784 outs() << " MH_MAGIC";
6785 else if (magic == MachO::MH_MAGIC_64)
6786 outs() << "MH_MAGIC_64";
6788 outs() << format(" 0x%08" PRIx32, magic);
6790 case MachO::CPU_TYPE_I386:
6792 switch (cpusubtype & ~MachO::CPU_SUBTYPE_MASK) {
6793 case MachO::CPU_SUBTYPE_I386_ALL:
6797 outs() << format(" %10d", cpusubtype & ~MachO::CPU_SUBTYPE_MASK);
6801 case MachO::CPU_TYPE_X86_64:
6802 outs() << " X86_64";
6803 switch (cpusubtype & ~MachO::CPU_SUBTYPE_MASK) {
6804 case MachO::CPU_SUBTYPE_X86_64_ALL:
6807 case MachO::CPU_SUBTYPE_X86_64_H:
6808 outs() << " Haswell";
6811 outs() << format(" %10d", cpusubtype & ~MachO::CPU_SUBTYPE_MASK);
6815 case MachO::CPU_TYPE_ARM:
6817 switch (cpusubtype & ~MachO::CPU_SUBTYPE_MASK) {
6818 case MachO::CPU_SUBTYPE_ARM_ALL:
6821 case MachO::CPU_SUBTYPE_ARM_V4T:
6824 case MachO::CPU_SUBTYPE_ARM_V5TEJ:
6827 case MachO::CPU_SUBTYPE_ARM_XSCALE:
6828 outs() << " XSCALE";
6830 case MachO::CPU_SUBTYPE_ARM_V6:
6833 case MachO::CPU_SUBTYPE_ARM_V6M:
6836 case MachO::CPU_SUBTYPE_ARM_V7:
6839 case MachO::CPU_SUBTYPE_ARM_V7EM:
6842 case MachO::CPU_SUBTYPE_ARM_V7K:
6845 case MachO::CPU_SUBTYPE_ARM_V7M:
6848 case MachO::CPU_SUBTYPE_ARM_V7S:
6852 outs() << format(" %10d", cpusubtype & ~MachO::CPU_SUBTYPE_MASK);
6856 case MachO::CPU_TYPE_ARM64:
6858 switch (cpusubtype & ~MachO::CPU_SUBTYPE_MASK) {
6859 case MachO::CPU_SUBTYPE_ARM64_ALL:
6863 outs() << format(" %10d", cpusubtype & ~MachO::CPU_SUBTYPE_MASK);
6867 case MachO::CPU_TYPE_POWERPC:
6869 switch (cpusubtype & ~MachO::CPU_SUBTYPE_MASK) {
6870 case MachO::CPU_SUBTYPE_POWERPC_ALL:
6874 outs() << format(" %10d", cpusubtype & ~MachO::CPU_SUBTYPE_MASK);
6878 case MachO::CPU_TYPE_POWERPC64:
6880 switch (cpusubtype & ~MachO::CPU_SUBTYPE_MASK) {
6881 case MachO::CPU_SUBTYPE_POWERPC_ALL:
6885 outs() << format(" %10d", cpusubtype & ~MachO::CPU_SUBTYPE_MASK);
6890 if ((cpusubtype & MachO::CPU_SUBTYPE_MASK) == MachO::CPU_SUBTYPE_LIB64) {
6893 outs() << format(" 0x%02" PRIx32,
6894 (cpusubtype & MachO::CPU_SUBTYPE_MASK) >> 24);
6897 case MachO::MH_OBJECT:
6898 outs() << " OBJECT";
6900 case MachO::MH_EXECUTE:
6901 outs() << " EXECUTE";
6903 case MachO::MH_FVMLIB:
6904 outs() << " FVMLIB";
6906 case MachO::MH_CORE:
6909 case MachO::MH_PRELOAD:
6910 outs() << " PRELOAD";
6912 case MachO::MH_DYLIB:
6915 case MachO::MH_DYLIB_STUB:
6916 outs() << " DYLIB_STUB";
6918 case MachO::MH_DYLINKER:
6919 outs() << " DYLINKER";
6921 case MachO::MH_BUNDLE:
6922 outs() << " BUNDLE";
6924 case MachO::MH_DSYM:
6927 case MachO::MH_KEXT_BUNDLE:
6928 outs() << " KEXTBUNDLE";
6931 outs() << format(" %10u", filetype);
6934 outs() << format(" %5u", ncmds);
6935 outs() << format(" %10u", sizeofcmds);
6937 if (f & MachO::MH_NOUNDEFS) {
6938 outs() << " NOUNDEFS";
6939 f &= ~MachO::MH_NOUNDEFS;
6941 if (f & MachO::MH_INCRLINK) {
6942 outs() << " INCRLINK";
6943 f &= ~MachO::MH_INCRLINK;
6945 if (f & MachO::MH_DYLDLINK) {
6946 outs() << " DYLDLINK";
6947 f &= ~MachO::MH_DYLDLINK;
6949 if (f & MachO::MH_BINDATLOAD) {
6950 outs() << " BINDATLOAD";
6951 f &= ~MachO::MH_BINDATLOAD;
6953 if (f & MachO::MH_PREBOUND) {
6954 outs() << " PREBOUND";
6955 f &= ~MachO::MH_PREBOUND;
6957 if (f & MachO::MH_SPLIT_SEGS) {
6958 outs() << " SPLIT_SEGS";
6959 f &= ~MachO::MH_SPLIT_SEGS;
6961 if (f & MachO::MH_LAZY_INIT) {
6962 outs() << " LAZY_INIT";
6963 f &= ~MachO::MH_LAZY_INIT;
6965 if (f & MachO::MH_TWOLEVEL) {
6966 outs() << " TWOLEVEL";
6967 f &= ~MachO::MH_TWOLEVEL;
6969 if (f & MachO::MH_FORCE_FLAT) {
6970 outs() << " FORCE_FLAT";
6971 f &= ~MachO::MH_FORCE_FLAT;
6973 if (f & MachO::MH_NOMULTIDEFS) {
6974 outs() << " NOMULTIDEFS";
6975 f &= ~MachO::MH_NOMULTIDEFS;
6977 if (f & MachO::MH_NOFIXPREBINDING) {
6978 outs() << " NOFIXPREBINDING";
6979 f &= ~MachO::MH_NOFIXPREBINDING;
6981 if (f & MachO::MH_PREBINDABLE) {
6982 outs() << " PREBINDABLE";
6983 f &= ~MachO::MH_PREBINDABLE;
6985 if (f & MachO::MH_ALLMODSBOUND) {
6986 outs() << " ALLMODSBOUND";
6987 f &= ~MachO::MH_ALLMODSBOUND;
6989 if (f & MachO::MH_SUBSECTIONS_VIA_SYMBOLS) {
6990 outs() << " SUBSECTIONS_VIA_SYMBOLS";
6991 f &= ~MachO::MH_SUBSECTIONS_VIA_SYMBOLS;
6993 if (f & MachO::MH_CANONICAL) {
6994 outs() << " CANONICAL";
6995 f &= ~MachO::MH_CANONICAL;
6997 if (f & MachO::MH_WEAK_DEFINES) {
6998 outs() << " WEAK_DEFINES";
6999 f &= ~MachO::MH_WEAK_DEFINES;
7001 if (f & MachO::MH_BINDS_TO_WEAK) {
7002 outs() << " BINDS_TO_WEAK";
7003 f &= ~MachO::MH_BINDS_TO_WEAK;
7005 if (f & MachO::MH_ALLOW_STACK_EXECUTION) {
7006 outs() << " ALLOW_STACK_EXECUTION";
7007 f &= ~MachO::MH_ALLOW_STACK_EXECUTION;
7009 if (f & MachO::MH_DEAD_STRIPPABLE_DYLIB) {
7010 outs() << " DEAD_STRIPPABLE_DYLIB";
7011 f &= ~MachO::MH_DEAD_STRIPPABLE_DYLIB;
7013 if (f & MachO::MH_PIE) {
7015 f &= ~MachO::MH_PIE;
7017 if (f & MachO::MH_NO_REEXPORTED_DYLIBS) {
7018 outs() << " NO_REEXPORTED_DYLIBS";
7019 f &= ~MachO::MH_NO_REEXPORTED_DYLIBS;
7021 if (f & MachO::MH_HAS_TLV_DESCRIPTORS) {
7022 outs() << " MH_HAS_TLV_DESCRIPTORS";
7023 f &= ~MachO::MH_HAS_TLV_DESCRIPTORS;
7025 if (f & MachO::MH_NO_HEAP_EXECUTION) {
7026 outs() << " MH_NO_HEAP_EXECUTION";
7027 f &= ~MachO::MH_NO_HEAP_EXECUTION;
7029 if (f & MachO::MH_APP_EXTENSION_SAFE) {
7030 outs() << " APP_EXTENSION_SAFE";
7031 f &= ~MachO::MH_APP_EXTENSION_SAFE;
7033 if (f != 0 || flags == 0)
7034 outs() << format(" 0x%08" PRIx32, f);
7036 outs() << format(" 0x%08" PRIx32, magic);
7037 outs() << format(" %7d", cputype);
7038 outs() << format(" %10d", cpusubtype & ~MachO::CPU_SUBTYPE_MASK);
7039 outs() << format(" 0x%02" PRIx32,
7040 (cpusubtype & MachO::CPU_SUBTYPE_MASK) >> 24);
7041 outs() << format(" %10u", filetype);
7042 outs() << format(" %5u", ncmds);
7043 outs() << format(" %10u", sizeofcmds);
7044 outs() << format(" 0x%08" PRIx32, flags);
7049 static void PrintSegmentCommand(uint32_t cmd, uint32_t cmdsize,
7050 StringRef SegName, uint64_t vmaddr,
7051 uint64_t vmsize, uint64_t fileoff,
7052 uint64_t filesize, uint32_t maxprot,
7053 uint32_t initprot, uint32_t nsects,
7054 uint32_t flags, uint32_t object_size,
7056 uint64_t expected_cmdsize;
7057 if (cmd == MachO::LC_SEGMENT) {
7058 outs() << " cmd LC_SEGMENT\n";
7059 expected_cmdsize = nsects;
7060 expected_cmdsize *= sizeof(struct MachO::section);
7061 expected_cmdsize += sizeof(struct MachO::segment_command);
7063 outs() << " cmd LC_SEGMENT_64\n";
7064 expected_cmdsize = nsects;
7065 expected_cmdsize *= sizeof(struct MachO::section_64);
7066 expected_cmdsize += sizeof(struct MachO::segment_command_64);
7068 outs() << " cmdsize " << cmdsize;
7069 if (cmdsize != expected_cmdsize)
7070 outs() << " Inconsistent size\n";
7073 outs() << " segname " << SegName << "\n";
7074 if (cmd == MachO::LC_SEGMENT_64) {
7075 outs() << " vmaddr " << format("0x%016" PRIx64, vmaddr) << "\n";
7076 outs() << " vmsize " << format("0x%016" PRIx64, vmsize) << "\n";
7078 outs() << " vmaddr " << format("0x%08" PRIx64, vmaddr) << "\n";
7079 outs() << " vmsize " << format("0x%08" PRIx64, vmsize) << "\n";
7081 outs() << " fileoff " << fileoff;
7082 if (fileoff > object_size)
7083 outs() << " (past end of file)\n";
7086 outs() << " filesize " << filesize;
7087 if (fileoff + filesize > object_size)
7088 outs() << " (past end of file)\n";
7093 ~(MachO::VM_PROT_READ | MachO::VM_PROT_WRITE |
7094 MachO::VM_PROT_EXECUTE)) != 0)
7095 outs() << " maxprot ?" << format("0x%08" PRIx32, maxprot) << "\n";
7097 outs() << " maxprot ";
7098 outs() << ((maxprot & MachO::VM_PROT_READ) ? "r" : "-");
7099 outs() << ((maxprot & MachO::VM_PROT_WRITE) ? "w" : "-");
7100 outs() << ((maxprot & MachO::VM_PROT_EXECUTE) ? "x\n" : "-\n");
7103 ~(MachO::VM_PROT_READ | MachO::VM_PROT_WRITE |
7104 MachO::VM_PROT_EXECUTE)) != 0)
7105 outs() << " initprot ?" << format("0x%08" PRIx32, initprot) << "\n";
7107 outs() << " initprot ";
7108 outs() << ((initprot & MachO::VM_PROT_READ) ? "r" : "-");
7109 outs() << ((initprot & MachO::VM_PROT_WRITE) ? "w" : "-");
7110 outs() << ((initprot & MachO::VM_PROT_EXECUTE) ? "x\n" : "-\n");
7113 outs() << " maxprot " << format("0x%08" PRIx32, maxprot) << "\n";
7114 outs() << " initprot " << format("0x%08" PRIx32, initprot) << "\n";
7116 outs() << " nsects " << nsects << "\n";
7120 outs() << " (none)\n";
7122 if (flags & MachO::SG_HIGHVM) {
7123 outs() << " HIGHVM";
7124 flags &= ~MachO::SG_HIGHVM;
7126 if (flags & MachO::SG_FVMLIB) {
7127 outs() << " FVMLIB";
7128 flags &= ~MachO::SG_FVMLIB;
7130 if (flags & MachO::SG_NORELOC) {
7131 outs() << " NORELOC";
7132 flags &= ~MachO::SG_NORELOC;
7134 if (flags & MachO::SG_PROTECTED_VERSION_1) {
7135 outs() << " PROTECTED_VERSION_1";
7136 flags &= ~MachO::SG_PROTECTED_VERSION_1;
7139 outs() << format(" 0x%08" PRIx32, flags) << " (unknown flags)\n";
7144 outs() << " flags " << format("0x%" PRIx32, flags) << "\n";
7148 static void PrintSection(const char *sectname, const char *segname,
7149 uint64_t addr, uint64_t size, uint32_t offset,
7150 uint32_t align, uint32_t reloff, uint32_t nreloc,
7151 uint32_t flags, uint32_t reserved1, uint32_t reserved2,
7152 uint32_t cmd, const char *sg_segname,
7153 uint32_t filetype, uint32_t object_size,
7155 outs() << "Section\n";
7156 outs() << " sectname " << format("%.16s\n", sectname);
7157 outs() << " segname " << format("%.16s", segname);
7158 if (filetype != MachO::MH_OBJECT && strncmp(sg_segname, segname, 16) != 0)
7159 outs() << " (does not match segment)\n";
7162 if (cmd == MachO::LC_SEGMENT_64) {
7163 outs() << " addr " << format("0x%016" PRIx64, addr) << "\n";
7164 outs() << " size " << format("0x%016" PRIx64, size);
7166 outs() << " addr " << format("0x%08" PRIx64, addr) << "\n";
7167 outs() << " size " << format("0x%08" PRIx64, size);
7169 if ((flags & MachO::S_ZEROFILL) != 0 && offset + size > object_size)
7170 outs() << " (past end of file)\n";
7173 outs() << " offset " << offset;
7174 if (offset > object_size)
7175 outs() << " (past end of file)\n";
7178 uint32_t align_shifted = 1 << align;
7179 outs() << " align 2^" << align << " (" << align_shifted << ")\n";
7180 outs() << " reloff " << reloff;
7181 if (reloff > object_size)
7182 outs() << " (past end of file)\n";
7185 outs() << " nreloc " << nreloc;
7186 if (reloff + nreloc * sizeof(struct MachO::relocation_info) > object_size)
7187 outs() << " (past end of file)\n";
7190 uint32_t section_type = flags & MachO::SECTION_TYPE;
7193 if (section_type == MachO::S_REGULAR)
7194 outs() << " S_REGULAR\n";
7195 else if (section_type == MachO::S_ZEROFILL)
7196 outs() << " S_ZEROFILL\n";
7197 else if (section_type == MachO::S_CSTRING_LITERALS)
7198 outs() << " S_CSTRING_LITERALS\n";
7199 else if (section_type == MachO::S_4BYTE_LITERALS)
7200 outs() << " S_4BYTE_LITERALS\n";
7201 else if (section_type == MachO::S_8BYTE_LITERALS)
7202 outs() << " S_8BYTE_LITERALS\n";
7203 else if (section_type == MachO::S_16BYTE_LITERALS)
7204 outs() << " S_16BYTE_LITERALS\n";
7205 else if (section_type == MachO::S_LITERAL_POINTERS)
7206 outs() << " S_LITERAL_POINTERS\n";
7207 else if (section_type == MachO::S_NON_LAZY_SYMBOL_POINTERS)
7208 outs() << " S_NON_LAZY_SYMBOL_POINTERS\n";
7209 else if (section_type == MachO::S_LAZY_SYMBOL_POINTERS)
7210 outs() << " S_LAZY_SYMBOL_POINTERS\n";
7211 else if (section_type == MachO::S_SYMBOL_STUBS)
7212 outs() << " S_SYMBOL_STUBS\n";
7213 else if (section_type == MachO::S_MOD_INIT_FUNC_POINTERS)
7214 outs() << " S_MOD_INIT_FUNC_POINTERS\n";
7215 else if (section_type == MachO::S_MOD_TERM_FUNC_POINTERS)
7216 outs() << " S_MOD_TERM_FUNC_POINTERS\n";
7217 else if (section_type == MachO::S_COALESCED)
7218 outs() << " S_COALESCED\n";
7219 else if (section_type == MachO::S_INTERPOSING)
7220 outs() << " S_INTERPOSING\n";
7221 else if (section_type == MachO::S_DTRACE_DOF)
7222 outs() << " S_DTRACE_DOF\n";
7223 else if (section_type == MachO::S_LAZY_DYLIB_SYMBOL_POINTERS)
7224 outs() << " S_LAZY_DYLIB_SYMBOL_POINTERS\n";
7225 else if (section_type == MachO::S_THREAD_LOCAL_REGULAR)
7226 outs() << " S_THREAD_LOCAL_REGULAR\n";
7227 else if (section_type == MachO::S_THREAD_LOCAL_ZEROFILL)
7228 outs() << " S_THREAD_LOCAL_ZEROFILL\n";
7229 else if (section_type == MachO::S_THREAD_LOCAL_VARIABLES)
7230 outs() << " S_THREAD_LOCAL_VARIABLES\n";
7231 else if (section_type == MachO::S_THREAD_LOCAL_VARIABLE_POINTERS)
7232 outs() << " S_THREAD_LOCAL_VARIABLE_POINTERS\n";
7233 else if (section_type == MachO::S_THREAD_LOCAL_INIT_FUNCTION_POINTERS)
7234 outs() << " S_THREAD_LOCAL_INIT_FUNCTION_POINTERS\n";
7236 outs() << format("0x%08" PRIx32, section_type) << "\n";
7237 outs() << "attributes";
7238 uint32_t section_attributes = flags & MachO::SECTION_ATTRIBUTES;
7239 if (section_attributes & MachO::S_ATTR_PURE_INSTRUCTIONS)
7240 outs() << " PURE_INSTRUCTIONS";
7241 if (section_attributes & MachO::S_ATTR_NO_TOC)
7242 outs() << " NO_TOC";
7243 if (section_attributes & MachO::S_ATTR_STRIP_STATIC_SYMS)
7244 outs() << " STRIP_STATIC_SYMS";
7245 if (section_attributes & MachO::S_ATTR_NO_DEAD_STRIP)
7246 outs() << " NO_DEAD_STRIP";
7247 if (section_attributes & MachO::S_ATTR_LIVE_SUPPORT)
7248 outs() << " LIVE_SUPPORT";
7249 if (section_attributes & MachO::S_ATTR_SELF_MODIFYING_CODE)
7250 outs() << " SELF_MODIFYING_CODE";
7251 if (section_attributes & MachO::S_ATTR_DEBUG)
7253 if (section_attributes & MachO::S_ATTR_SOME_INSTRUCTIONS)
7254 outs() << " SOME_INSTRUCTIONS";
7255 if (section_attributes & MachO::S_ATTR_EXT_RELOC)
7256 outs() << " EXT_RELOC";
7257 if (section_attributes & MachO::S_ATTR_LOC_RELOC)
7258 outs() << " LOC_RELOC";
7259 if (section_attributes == 0)
7260 outs() << " (none)";
7263 outs() << " flags " << format("0x%08" PRIx32, flags) << "\n";
7264 outs() << " reserved1 " << reserved1;
7265 if (section_type == MachO::S_SYMBOL_STUBS ||
7266 section_type == MachO::S_LAZY_SYMBOL_POINTERS ||
7267 section_type == MachO::S_LAZY_DYLIB_SYMBOL_POINTERS ||
7268 section_type == MachO::S_NON_LAZY_SYMBOL_POINTERS ||
7269 section_type == MachO::S_THREAD_LOCAL_VARIABLE_POINTERS)
7270 outs() << " (index into indirect symbol table)\n";
7273 outs() << " reserved2 " << reserved2;
7274 if (section_type == MachO::S_SYMBOL_STUBS)
7275 outs() << " (size of stubs)\n";
7280 static void PrintSymtabLoadCommand(MachO::symtab_command st, bool Is64Bit,
7281 uint32_t object_size) {
7282 outs() << " cmd LC_SYMTAB\n";
7283 outs() << " cmdsize " << st.cmdsize;
7284 if (st.cmdsize != sizeof(struct MachO::symtab_command))
7285 outs() << " Incorrect size\n";
7288 outs() << " symoff " << st.symoff;
7289 if (st.symoff > object_size)
7290 outs() << " (past end of file)\n";
7293 outs() << " nsyms " << st.nsyms;
7296 big_size = st.nsyms;
7297 big_size *= sizeof(struct MachO::nlist_64);
7298 big_size += st.symoff;
7299 if (big_size > object_size)
7300 outs() << " (past end of file)\n";
7304 big_size = st.nsyms;
7305 big_size *= sizeof(struct MachO::nlist);
7306 big_size += st.symoff;
7307 if (big_size > object_size)
7308 outs() << " (past end of file)\n";
7312 outs() << " stroff " << st.stroff;
7313 if (st.stroff > object_size)
7314 outs() << " (past end of file)\n";
7317 outs() << " strsize " << st.strsize;
7318 big_size = st.stroff;
7319 big_size += st.strsize;
7320 if (big_size > object_size)
7321 outs() << " (past end of file)\n";
7326 static void PrintDysymtabLoadCommand(MachO::dysymtab_command dyst,
7327 uint32_t nsyms, uint32_t object_size,
7329 outs() << " cmd LC_DYSYMTAB\n";
7330 outs() << " cmdsize " << dyst.cmdsize;
7331 if (dyst.cmdsize != sizeof(struct MachO::dysymtab_command))
7332 outs() << " Incorrect size\n";
7335 outs() << " ilocalsym " << dyst.ilocalsym;
7336 if (dyst.ilocalsym > nsyms)
7337 outs() << " (greater than the number of symbols)\n";
7340 outs() << " nlocalsym " << dyst.nlocalsym;
7342 big_size = dyst.ilocalsym;
7343 big_size += dyst.nlocalsym;
7344 if (big_size > nsyms)
7345 outs() << " (past the end of the symbol table)\n";
7348 outs() << " iextdefsym " << dyst.iextdefsym;
7349 if (dyst.iextdefsym > nsyms)
7350 outs() << " (greater than the number of symbols)\n";
7353 outs() << " nextdefsym " << dyst.nextdefsym;
7354 big_size = dyst.iextdefsym;
7355 big_size += dyst.nextdefsym;
7356 if (big_size > nsyms)
7357 outs() << " (past the end of the symbol table)\n";
7360 outs() << " iundefsym " << dyst.iundefsym;
7361 if (dyst.iundefsym > nsyms)
7362 outs() << " (greater than the number of symbols)\n";
7365 outs() << " nundefsym " << dyst.nundefsym;
7366 big_size = dyst.iundefsym;
7367 big_size += dyst.nundefsym;
7368 if (big_size > nsyms)
7369 outs() << " (past the end of the symbol table)\n";
7372 outs() << " tocoff " << dyst.tocoff;
7373 if (dyst.tocoff > object_size)
7374 outs() << " (past end of file)\n";
7377 outs() << " ntoc " << dyst.ntoc;
7378 big_size = dyst.ntoc;
7379 big_size *= sizeof(struct MachO::dylib_table_of_contents);
7380 big_size += dyst.tocoff;
7381 if (big_size > object_size)
7382 outs() << " (past end of file)\n";
7385 outs() << " modtaboff " << dyst.modtaboff;
7386 if (dyst.modtaboff > object_size)
7387 outs() << " (past end of file)\n";
7390 outs() << " nmodtab " << dyst.nmodtab;
7393 modtabend = dyst.nmodtab;
7394 modtabend *= sizeof(struct MachO::dylib_module_64);
7395 modtabend += dyst.modtaboff;
7397 modtabend = dyst.nmodtab;
7398 modtabend *= sizeof(struct MachO::dylib_module);
7399 modtabend += dyst.modtaboff;
7401 if (modtabend > object_size)
7402 outs() << " (past end of file)\n";
7405 outs() << " extrefsymoff " << dyst.extrefsymoff;
7406 if (dyst.extrefsymoff > object_size)
7407 outs() << " (past end of file)\n";
7410 outs() << " nextrefsyms " << dyst.nextrefsyms;
7411 big_size = dyst.nextrefsyms;
7412 big_size *= sizeof(struct MachO::dylib_reference);
7413 big_size += dyst.extrefsymoff;
7414 if (big_size > object_size)
7415 outs() << " (past end of file)\n";
7418 outs() << " indirectsymoff " << dyst.indirectsymoff;
7419 if (dyst.indirectsymoff > object_size)
7420 outs() << " (past end of file)\n";
7423 outs() << " nindirectsyms " << dyst.nindirectsyms;
7424 big_size = dyst.nindirectsyms;
7425 big_size *= sizeof(uint32_t);
7426 big_size += dyst.indirectsymoff;
7427 if (big_size > object_size)
7428 outs() << " (past end of file)\n";
7431 outs() << " extreloff " << dyst.extreloff;
7432 if (dyst.extreloff > object_size)
7433 outs() << " (past end of file)\n";
7436 outs() << " nextrel " << dyst.nextrel;
7437 big_size = dyst.nextrel;
7438 big_size *= sizeof(struct MachO::relocation_info);
7439 big_size += dyst.extreloff;
7440 if (big_size > object_size)
7441 outs() << " (past end of file)\n";
7444 outs() << " locreloff " << dyst.locreloff;
7445 if (dyst.locreloff > object_size)
7446 outs() << " (past end of file)\n";
7449 outs() << " nlocrel " << dyst.nlocrel;
7450 big_size = dyst.nlocrel;
7451 big_size *= sizeof(struct MachO::relocation_info);
7452 big_size += dyst.locreloff;
7453 if (big_size > object_size)
7454 outs() << " (past end of file)\n";
7459 static void PrintDyldInfoLoadCommand(MachO::dyld_info_command dc,
7460 uint32_t object_size) {
7461 if (dc.cmd == MachO::LC_DYLD_INFO)
7462 outs() << " cmd LC_DYLD_INFO\n";
7464 outs() << " cmd LC_DYLD_INFO_ONLY\n";
7465 outs() << " cmdsize " << dc.cmdsize;
7466 if (dc.cmdsize != sizeof(struct MachO::dyld_info_command))
7467 outs() << " Incorrect size\n";
7470 outs() << " rebase_off " << dc.rebase_off;
7471 if (dc.rebase_off > object_size)
7472 outs() << " (past end of file)\n";
7475 outs() << " rebase_size " << dc.rebase_size;
7477 big_size = dc.rebase_off;
7478 big_size += dc.rebase_size;
7479 if (big_size > object_size)
7480 outs() << " (past end of file)\n";
7483 outs() << " bind_off " << dc.bind_off;
7484 if (dc.bind_off > object_size)
7485 outs() << " (past end of file)\n";
7488 outs() << " bind_size " << dc.bind_size;
7489 big_size = dc.bind_off;
7490 big_size += dc.bind_size;
7491 if (big_size > object_size)
7492 outs() << " (past end of file)\n";
7495 outs() << " weak_bind_off " << dc.weak_bind_off;
7496 if (dc.weak_bind_off > object_size)
7497 outs() << " (past end of file)\n";
7500 outs() << " weak_bind_size " << dc.weak_bind_size;
7501 big_size = dc.weak_bind_off;
7502 big_size += dc.weak_bind_size;
7503 if (big_size > object_size)
7504 outs() << " (past end of file)\n";
7507 outs() << " lazy_bind_off " << dc.lazy_bind_off;
7508 if (dc.lazy_bind_off > object_size)
7509 outs() << " (past end of file)\n";
7512 outs() << " lazy_bind_size " << dc.lazy_bind_size;
7513 big_size = dc.lazy_bind_off;
7514 big_size += dc.lazy_bind_size;
7515 if (big_size > object_size)
7516 outs() << " (past end of file)\n";
7519 outs() << " export_off " << dc.export_off;
7520 if (dc.export_off > object_size)
7521 outs() << " (past end of file)\n";
7524 outs() << " export_size " << dc.export_size;
7525 big_size = dc.export_off;
7526 big_size += dc.export_size;
7527 if (big_size > object_size)
7528 outs() << " (past end of file)\n";
7533 static void PrintDyldLoadCommand(MachO::dylinker_command dyld,
7535 if (dyld.cmd == MachO::LC_ID_DYLINKER)
7536 outs() << " cmd LC_ID_DYLINKER\n";
7537 else if (dyld.cmd == MachO::LC_LOAD_DYLINKER)
7538 outs() << " cmd LC_LOAD_DYLINKER\n";
7539 else if (dyld.cmd == MachO::LC_DYLD_ENVIRONMENT)
7540 outs() << " cmd LC_DYLD_ENVIRONMENT\n";
7542 outs() << " cmd ?(" << dyld.cmd << ")\n";
7543 outs() << " cmdsize " << dyld.cmdsize;
7544 if (dyld.cmdsize < sizeof(struct MachO::dylinker_command))
7545 outs() << " Incorrect size\n";
7548 if (dyld.name >= dyld.cmdsize)
7549 outs() << " name ?(bad offset " << dyld.name << ")\n";
7551 const char *P = (const char *)(Ptr) + dyld.name;
7552 outs() << " name " << P << " (offset " << dyld.name << ")\n";
7556 static void PrintUuidLoadCommand(MachO::uuid_command uuid) {
7557 outs() << " cmd LC_UUID\n";
7558 outs() << " cmdsize " << uuid.cmdsize;
7559 if (uuid.cmdsize != sizeof(struct MachO::uuid_command))
7560 outs() << " Incorrect size\n";
7564 outs() << format("%02" PRIX32, uuid.uuid[0]);
7565 outs() << format("%02" PRIX32, uuid.uuid[1]);
7566 outs() << format("%02" PRIX32, uuid.uuid[2]);
7567 outs() << format("%02" PRIX32, uuid.uuid[3]);
7569 outs() << format("%02" PRIX32, uuid.uuid[4]);
7570 outs() << format("%02" PRIX32, uuid.uuid[5]);
7572 outs() << format("%02" PRIX32, uuid.uuid[6]);
7573 outs() << format("%02" PRIX32, uuid.uuid[7]);
7575 outs() << format("%02" PRIX32, uuid.uuid[8]);
7576 outs() << format("%02" PRIX32, uuid.uuid[9]);
7578 outs() << format("%02" PRIX32, uuid.uuid[10]);
7579 outs() << format("%02" PRIX32, uuid.uuid[11]);
7580 outs() << format("%02" PRIX32, uuid.uuid[12]);
7581 outs() << format("%02" PRIX32, uuid.uuid[13]);
7582 outs() << format("%02" PRIX32, uuid.uuid[14]);
7583 outs() << format("%02" PRIX32, uuid.uuid[15]);
7587 static void PrintRpathLoadCommand(MachO::rpath_command rpath, const char *Ptr) {
7588 outs() << " cmd LC_RPATH\n";
7589 outs() << " cmdsize " << rpath.cmdsize;
7590 if (rpath.cmdsize < sizeof(struct MachO::rpath_command))
7591 outs() << " Incorrect size\n";
7594 if (rpath.path >= rpath.cmdsize)
7595 outs() << " path ?(bad offset " << rpath.path << ")\n";
7597 const char *P = (const char *)(Ptr) + rpath.path;
7598 outs() << " path " << P << " (offset " << rpath.path << ")\n";
7602 static void PrintVersionMinLoadCommand(MachO::version_min_command vd) {
7603 if (vd.cmd == MachO::LC_VERSION_MIN_MACOSX)
7604 outs() << " cmd LC_VERSION_MIN_MACOSX\n";
7605 else if (vd.cmd == MachO::LC_VERSION_MIN_IPHONEOS)
7606 outs() << " cmd LC_VERSION_MIN_IPHONEOS\n";
7608 outs() << " cmd " << vd.cmd << " (?)\n";
7609 outs() << " cmdsize " << vd.cmdsize;
7610 if (vd.cmdsize != sizeof(struct MachO::version_min_command))
7611 outs() << " Incorrect size\n";
7614 outs() << " version "
7615 << MachOObjectFile::getVersionMinMajor(vd, false) << "."
7616 << MachOObjectFile::getVersionMinMinor(vd, false);
7617 uint32_t Update = MachOObjectFile::getVersionMinUpdate(vd, false);
7619 outs() << "." << Update;
7622 outs() << " sdk n/a";
7625 << MachOObjectFile::getVersionMinMajor(vd, true) << "."
7626 << MachOObjectFile::getVersionMinMinor(vd, true);
7628 Update = MachOObjectFile::getVersionMinUpdate(vd, true);
7630 outs() << "." << Update;
7634 static void PrintSourceVersionCommand(MachO::source_version_command sd) {
7635 outs() << " cmd LC_SOURCE_VERSION\n";
7636 outs() << " cmdsize " << sd.cmdsize;
7637 if (sd.cmdsize != sizeof(struct MachO::source_version_command))
7638 outs() << " Incorrect size\n";
7641 uint64_t a = (sd.version >> 40) & 0xffffff;
7642 uint64_t b = (sd.version >> 30) & 0x3ff;
7643 uint64_t c = (sd.version >> 20) & 0x3ff;
7644 uint64_t d = (sd.version >> 10) & 0x3ff;
7645 uint64_t e = sd.version & 0x3ff;
7646 outs() << " version " << a << "." << b;
7648 outs() << "." << c << "." << d << "." << e;
7650 outs() << "." << c << "." << d;
7656 static void PrintEntryPointCommand(MachO::entry_point_command ep) {
7657 outs() << " cmd LC_MAIN\n";
7658 outs() << " cmdsize " << ep.cmdsize;
7659 if (ep.cmdsize != sizeof(struct MachO::entry_point_command))
7660 outs() << " Incorrect size\n";
7663 outs() << " entryoff " << ep.entryoff << "\n";
7664 outs() << " stacksize " << ep.stacksize << "\n";
7667 static void PrintEncryptionInfoCommand(MachO::encryption_info_command ec,
7668 uint32_t object_size) {
7669 outs() << " cmd LC_ENCRYPTION_INFO\n";
7670 outs() << " cmdsize " << ec.cmdsize;
7671 if (ec.cmdsize != sizeof(struct MachO::encryption_info_command))
7672 outs() << " Incorrect size\n";
7675 outs() << " cryptoff " << ec.cryptoff;
7676 if (ec.cryptoff > object_size)
7677 outs() << " (past end of file)\n";
7680 outs() << " cryptsize " << ec.cryptsize;
7681 if (ec.cryptsize > object_size)
7682 outs() << " (past end of file)\n";
7685 outs() << " cryptid " << ec.cryptid << "\n";
7688 static void PrintEncryptionInfoCommand64(MachO::encryption_info_command_64 ec,
7689 uint32_t object_size) {
7690 outs() << " cmd LC_ENCRYPTION_INFO_64\n";
7691 outs() << " cmdsize " << ec.cmdsize;
7692 if (ec.cmdsize != sizeof(struct MachO::encryption_info_command_64))
7693 outs() << " Incorrect size\n";
7696 outs() << " cryptoff " << ec.cryptoff;
7697 if (ec.cryptoff > object_size)
7698 outs() << " (past end of file)\n";
7701 outs() << " cryptsize " << ec.cryptsize;
7702 if (ec.cryptsize > object_size)
7703 outs() << " (past end of file)\n";
7706 outs() << " cryptid " << ec.cryptid << "\n";
7707 outs() << " pad " << ec.pad << "\n";
7710 static void PrintLinkerOptionCommand(MachO::linker_option_command lo,
7712 outs() << " cmd LC_LINKER_OPTION\n";
7713 outs() << " cmdsize " << lo.cmdsize;
7714 if (lo.cmdsize < sizeof(struct MachO::linker_option_command))
7715 outs() << " Incorrect size\n";
7718 outs() << " count " << lo.count << "\n";
7719 const char *string = Ptr + sizeof(struct MachO::linker_option_command);
7720 uint32_t left = lo.cmdsize - sizeof(struct MachO::linker_option_command);
7723 while (*string == '\0' && left > 0) {
7729 outs() << " string #" << i << " " << format("%.*s\n", left, string);
7730 uint32_t NullPos = StringRef(string, left).find('\0');
7731 uint32_t len = std::min(NullPos, left) + 1;
7737 outs() << " count " << lo.count << " does not match number of strings "
7741 static void PrintSubFrameworkCommand(MachO::sub_framework_command sub,
7743 outs() << " cmd LC_SUB_FRAMEWORK\n";
7744 outs() << " cmdsize " << sub.cmdsize;
7745 if (sub.cmdsize < sizeof(struct MachO::sub_framework_command))
7746 outs() << " Incorrect size\n";
7749 if (sub.umbrella < sub.cmdsize) {
7750 const char *P = Ptr + sub.umbrella;
7751 outs() << " umbrella " << P << " (offset " << sub.umbrella << ")\n";
7753 outs() << " umbrella ?(bad offset " << sub.umbrella << ")\n";
7757 static void PrintSubUmbrellaCommand(MachO::sub_umbrella_command sub,
7759 outs() << " cmd LC_SUB_UMBRELLA\n";
7760 outs() << " cmdsize " << sub.cmdsize;
7761 if (sub.cmdsize < sizeof(struct MachO::sub_umbrella_command))
7762 outs() << " Incorrect size\n";
7765 if (sub.sub_umbrella < sub.cmdsize) {
7766 const char *P = Ptr + sub.sub_umbrella;
7767 outs() << " sub_umbrella " << P << " (offset " << sub.sub_umbrella << ")\n";
7769 outs() << " sub_umbrella ?(bad offset " << sub.sub_umbrella << ")\n";
7773 static void PrintSubLibraryCommand(MachO::sub_library_command sub,
7775 outs() << " cmd LC_SUB_LIBRARY\n";
7776 outs() << " cmdsize " << sub.cmdsize;
7777 if (sub.cmdsize < sizeof(struct MachO::sub_library_command))
7778 outs() << " Incorrect size\n";
7781 if (sub.sub_library < sub.cmdsize) {
7782 const char *P = Ptr + sub.sub_library;
7783 outs() << " sub_library " << P << " (offset " << sub.sub_library << ")\n";
7785 outs() << " sub_library ?(bad offset " << sub.sub_library << ")\n";
7789 static void PrintSubClientCommand(MachO::sub_client_command sub,
7791 outs() << " cmd LC_SUB_CLIENT\n";
7792 outs() << " cmdsize " << sub.cmdsize;
7793 if (sub.cmdsize < sizeof(struct MachO::sub_client_command))
7794 outs() << " Incorrect size\n";
7797 if (sub.client < sub.cmdsize) {
7798 const char *P = Ptr + sub.client;
7799 outs() << " client " << P << " (offset " << sub.client << ")\n";
7801 outs() << " client ?(bad offset " << sub.client << ")\n";
7805 static void PrintRoutinesCommand(MachO::routines_command r) {
7806 outs() << " cmd LC_ROUTINES\n";
7807 outs() << " cmdsize " << r.cmdsize;
7808 if (r.cmdsize != sizeof(struct MachO::routines_command))
7809 outs() << " Incorrect size\n";
7812 outs() << " init_address " << format("0x%08" PRIx32, r.init_address) << "\n";
7813 outs() << " init_module " << r.init_module << "\n";
7814 outs() << " reserved1 " << r.reserved1 << "\n";
7815 outs() << " reserved2 " << r.reserved2 << "\n";
7816 outs() << " reserved3 " << r.reserved3 << "\n";
7817 outs() << " reserved4 " << r.reserved4 << "\n";
7818 outs() << " reserved5 " << r.reserved5 << "\n";
7819 outs() << " reserved6 " << r.reserved6 << "\n";
7822 static void PrintRoutinesCommand64(MachO::routines_command_64 r) {
7823 outs() << " cmd LC_ROUTINES_64\n";
7824 outs() << " cmdsize " << r.cmdsize;
7825 if (r.cmdsize != sizeof(struct MachO::routines_command_64))
7826 outs() << " Incorrect size\n";
7829 outs() << " init_address " << format("0x%016" PRIx64, r.init_address) << "\n";
7830 outs() << " init_module " << r.init_module << "\n";
7831 outs() << " reserved1 " << r.reserved1 << "\n";
7832 outs() << " reserved2 " << r.reserved2 << "\n";
7833 outs() << " reserved3 " << r.reserved3 << "\n";
7834 outs() << " reserved4 " << r.reserved4 << "\n";
7835 outs() << " reserved5 " << r.reserved5 << "\n";
7836 outs() << " reserved6 " << r.reserved6 << "\n";
7839 static void Print_x86_thread_state64_t(MachO::x86_thread_state64_t &cpu64) {
7840 outs() << " rax " << format("0x%016" PRIx64, cpu64.rax);
7841 outs() << " rbx " << format("0x%016" PRIx64, cpu64.rbx);
7842 outs() << " rcx " << format("0x%016" PRIx64, cpu64.rcx) << "\n";
7843 outs() << " rdx " << format("0x%016" PRIx64, cpu64.rdx);
7844 outs() << " rdi " << format("0x%016" PRIx64, cpu64.rdi);
7845 outs() << " rsi " << format("0x%016" PRIx64, cpu64.rsi) << "\n";
7846 outs() << " rbp " << format("0x%016" PRIx64, cpu64.rbp);
7847 outs() << " rsp " << format("0x%016" PRIx64, cpu64.rsp);
7848 outs() << " r8 " << format("0x%016" PRIx64, cpu64.r8) << "\n";
7849 outs() << " r9 " << format("0x%016" PRIx64, cpu64.r9);
7850 outs() << " r10 " << format("0x%016" PRIx64, cpu64.r10);
7851 outs() << " r11 " << format("0x%016" PRIx64, cpu64.r11) << "\n";
7852 outs() << " r12 " << format("0x%016" PRIx64, cpu64.r12);
7853 outs() << " r13 " << format("0x%016" PRIx64, cpu64.r13);
7854 outs() << " r14 " << format("0x%016" PRIx64, cpu64.r14) << "\n";
7855 outs() << " r15 " << format("0x%016" PRIx64, cpu64.r15);
7856 outs() << " rip " << format("0x%016" PRIx64, cpu64.rip) << "\n";
7857 outs() << "rflags " << format("0x%016" PRIx64, cpu64.rflags);
7858 outs() << " cs " << format("0x%016" PRIx64, cpu64.cs);
7859 outs() << " fs " << format("0x%016" PRIx64, cpu64.fs) << "\n";
7860 outs() << " gs " << format("0x%016" PRIx64, cpu64.gs) << "\n";
7863 static void Print_mmst_reg(MachO::mmst_reg_t &r) {
7865 outs() << "\t mmst_reg ";
7866 for (f = 0; f < 10; f++)
7867 outs() << format("%02" PRIx32, (r.mmst_reg[f] & 0xff)) << " ";
7869 outs() << "\t mmst_rsrv ";
7870 for (f = 0; f < 6; f++)
7871 outs() << format("%02" PRIx32, (r.mmst_rsrv[f] & 0xff)) << " ";
7875 static void Print_xmm_reg(MachO::xmm_reg_t &r) {
7877 outs() << "\t xmm_reg ";
7878 for (f = 0; f < 16; f++)
7879 outs() << format("%02" PRIx32, (r.xmm_reg[f] & 0xff)) << " ";
7883 static void Print_x86_float_state_t(MachO::x86_float_state64_t &fpu) {
7884 outs() << "\t fpu_reserved[0] " << fpu.fpu_reserved[0];
7885 outs() << " fpu_reserved[1] " << fpu.fpu_reserved[1] << "\n";
7886 outs() << "\t control: invalid " << fpu.fpu_fcw.invalid;
7887 outs() << " denorm " << fpu.fpu_fcw.denorm;
7888 outs() << " zdiv " << fpu.fpu_fcw.zdiv;
7889 outs() << " ovrfl " << fpu.fpu_fcw.ovrfl;
7890 outs() << " undfl " << fpu.fpu_fcw.undfl;
7891 outs() << " precis " << fpu.fpu_fcw.precis << "\n";
7892 outs() << "\t\t pc ";
7893 if (fpu.fpu_fcw.pc == MachO::x86_FP_PREC_24B)
7894 outs() << "FP_PREC_24B ";
7895 else if (fpu.fpu_fcw.pc == MachO::x86_FP_PREC_53B)
7896 outs() << "FP_PREC_53B ";
7897 else if (fpu.fpu_fcw.pc == MachO::x86_FP_PREC_64B)
7898 outs() << "FP_PREC_64B ";
7900 outs() << fpu.fpu_fcw.pc << " ";
7902 if (fpu.fpu_fcw.rc == MachO::x86_FP_RND_NEAR)
7903 outs() << "FP_RND_NEAR ";
7904 else if (fpu.fpu_fcw.rc == MachO::x86_FP_RND_DOWN)
7905 outs() << "FP_RND_DOWN ";
7906 else if (fpu.fpu_fcw.rc == MachO::x86_FP_RND_UP)
7907 outs() << "FP_RND_UP ";
7908 else if (fpu.fpu_fcw.rc == MachO::x86_FP_CHOP)
7909 outs() << "FP_CHOP ";
7911 outs() << "\t status: invalid " << fpu.fpu_fsw.invalid;
7912 outs() << " denorm " << fpu.fpu_fsw.denorm;
7913 outs() << " zdiv " << fpu.fpu_fsw.zdiv;
7914 outs() << " ovrfl " << fpu.fpu_fsw.ovrfl;
7915 outs() << " undfl " << fpu.fpu_fsw.undfl;
7916 outs() << " precis " << fpu.fpu_fsw.precis;
7917 outs() << " stkflt " << fpu.fpu_fsw.stkflt << "\n";
7918 outs() << "\t errsumm " << fpu.fpu_fsw.errsumm;
7919 outs() << " c0 " << fpu.fpu_fsw.c0;
7920 outs() << " c1 " << fpu.fpu_fsw.c1;
7921 outs() << " c2 " << fpu.fpu_fsw.c2;
7922 outs() << " tos " << fpu.fpu_fsw.tos;
7923 outs() << " c3 " << fpu.fpu_fsw.c3;
7924 outs() << " busy " << fpu.fpu_fsw.busy << "\n";
7925 outs() << "\t fpu_ftw " << format("0x%02" PRIx32, fpu.fpu_ftw);
7926 outs() << " fpu_rsrv1 " << format("0x%02" PRIx32, fpu.fpu_rsrv1);
7927 outs() << " fpu_fop " << format("0x%04" PRIx32, fpu.fpu_fop);
7928 outs() << " fpu_ip " << format("0x%08" PRIx32, fpu.fpu_ip) << "\n";
7929 outs() << "\t fpu_cs " << format("0x%04" PRIx32, fpu.fpu_cs);
7930 outs() << " fpu_rsrv2 " << format("0x%04" PRIx32, fpu.fpu_rsrv2);
7931 outs() << " fpu_dp " << format("0x%08" PRIx32, fpu.fpu_dp);
7932 outs() << " fpu_ds " << format("0x%04" PRIx32, fpu.fpu_ds) << "\n";
7933 outs() << "\t fpu_rsrv3 " << format("0x%04" PRIx32, fpu.fpu_rsrv3);
7934 outs() << " fpu_mxcsr " << format("0x%08" PRIx32, fpu.fpu_mxcsr);
7935 outs() << " fpu_mxcsrmask " << format("0x%08" PRIx32, fpu.fpu_mxcsrmask);
7937 outs() << "\t fpu_stmm0:\n";
7938 Print_mmst_reg(fpu.fpu_stmm0);
7939 outs() << "\t fpu_stmm1:\n";
7940 Print_mmst_reg(fpu.fpu_stmm1);
7941 outs() << "\t fpu_stmm2:\n";
7942 Print_mmst_reg(fpu.fpu_stmm2);
7943 outs() << "\t fpu_stmm3:\n";
7944 Print_mmst_reg(fpu.fpu_stmm3);
7945 outs() << "\t fpu_stmm4:\n";
7946 Print_mmst_reg(fpu.fpu_stmm4);
7947 outs() << "\t fpu_stmm5:\n";
7948 Print_mmst_reg(fpu.fpu_stmm5);
7949 outs() << "\t fpu_stmm6:\n";
7950 Print_mmst_reg(fpu.fpu_stmm6);
7951 outs() << "\t fpu_stmm7:\n";
7952 Print_mmst_reg(fpu.fpu_stmm7);
7953 outs() << "\t fpu_xmm0:\n";
7954 Print_xmm_reg(fpu.fpu_xmm0);
7955 outs() << "\t fpu_xmm1:\n";
7956 Print_xmm_reg(fpu.fpu_xmm1);
7957 outs() << "\t fpu_xmm2:\n";
7958 Print_xmm_reg(fpu.fpu_xmm2);
7959 outs() << "\t fpu_xmm3:\n";
7960 Print_xmm_reg(fpu.fpu_xmm3);
7961 outs() << "\t fpu_xmm4:\n";
7962 Print_xmm_reg(fpu.fpu_xmm4);
7963 outs() << "\t fpu_xmm5:\n";
7964 Print_xmm_reg(fpu.fpu_xmm5);
7965 outs() << "\t fpu_xmm6:\n";
7966 Print_xmm_reg(fpu.fpu_xmm6);
7967 outs() << "\t fpu_xmm7:\n";
7968 Print_xmm_reg(fpu.fpu_xmm7);
7969 outs() << "\t fpu_xmm8:\n";
7970 Print_xmm_reg(fpu.fpu_xmm8);
7971 outs() << "\t fpu_xmm9:\n";
7972 Print_xmm_reg(fpu.fpu_xmm9);
7973 outs() << "\t fpu_xmm10:\n";
7974 Print_xmm_reg(fpu.fpu_xmm10);
7975 outs() << "\t fpu_xmm11:\n";
7976 Print_xmm_reg(fpu.fpu_xmm11);
7977 outs() << "\t fpu_xmm12:\n";
7978 Print_xmm_reg(fpu.fpu_xmm12);
7979 outs() << "\t fpu_xmm13:\n";
7980 Print_xmm_reg(fpu.fpu_xmm13);
7981 outs() << "\t fpu_xmm14:\n";
7982 Print_xmm_reg(fpu.fpu_xmm14);
7983 outs() << "\t fpu_xmm15:\n";
7984 Print_xmm_reg(fpu.fpu_xmm15);
7985 outs() << "\t fpu_rsrv4:\n";
7986 for (uint32_t f = 0; f < 6; f++) {
7988 for (uint32_t g = 0; g < 16; g++)
7989 outs() << format("%02" PRIx32, fpu.fpu_rsrv4[f * g]) << " ";
7992 outs() << "\t fpu_reserved1 " << format("0x%08" PRIx32, fpu.fpu_reserved1);
7996 static void Print_x86_exception_state_t(MachO::x86_exception_state64_t &exc64) {
7997 outs() << "\t trapno " << format("0x%08" PRIx32, exc64.trapno);
7998 outs() << " err " << format("0x%08" PRIx32, exc64.err);
7999 outs() << " faultvaddr " << format("0x%016" PRIx64, exc64.faultvaddr) << "\n";
8002 static void PrintThreadCommand(MachO::thread_command t, const char *Ptr,
8003 bool isLittleEndian, uint32_t cputype) {
8004 if (t.cmd == MachO::LC_THREAD)
8005 outs() << " cmd LC_THREAD\n";
8006 else if (t.cmd == MachO::LC_UNIXTHREAD)
8007 outs() << " cmd LC_UNIXTHREAD\n";
8009 outs() << " cmd " << t.cmd << " (unknown)\n";
8010 outs() << " cmdsize " << t.cmdsize;
8011 if (t.cmdsize < sizeof(struct MachO::thread_command) + 2 * sizeof(uint32_t))
8012 outs() << " Incorrect size\n";
8016 const char *begin = Ptr + sizeof(struct MachO::thread_command);
8017 const char *end = Ptr + t.cmdsize;
8018 uint32_t flavor, count, left;
8019 if (cputype == MachO::CPU_TYPE_X86_64) {
8020 while (begin < end) {
8021 if (end - begin > (ptrdiff_t)sizeof(uint32_t)) {
8022 memcpy((char *)&flavor, begin, sizeof(uint32_t));
8023 begin += sizeof(uint32_t);
8028 if (isLittleEndian != sys::IsLittleEndianHost)
8029 sys::swapByteOrder(flavor);
8030 if (end - begin > (ptrdiff_t)sizeof(uint32_t)) {
8031 memcpy((char *)&count, begin, sizeof(uint32_t));
8032 begin += sizeof(uint32_t);
8037 if (isLittleEndian != sys::IsLittleEndianHost)
8038 sys::swapByteOrder(count);
8039 if (flavor == MachO::x86_THREAD_STATE64) {
8040 outs() << " flavor x86_THREAD_STATE64\n";
8041 if (count == MachO::x86_THREAD_STATE64_COUNT)
8042 outs() << " count x86_THREAD_STATE64_COUNT\n";
8044 outs() << " count " << count
8045 << " (not x86_THREAD_STATE64_COUNT)\n";
8046 MachO::x86_thread_state64_t cpu64;
8048 if (left >= sizeof(MachO::x86_thread_state64_t)) {
8049 memcpy(&cpu64, begin, sizeof(MachO::x86_thread_state64_t));
8050 begin += sizeof(MachO::x86_thread_state64_t);
8052 memset(&cpu64, '\0', sizeof(MachO::x86_thread_state64_t));
8053 memcpy(&cpu64, begin, left);
8056 if (isLittleEndian != sys::IsLittleEndianHost)
8058 Print_x86_thread_state64_t(cpu64);
8059 } else if (flavor == MachO::x86_THREAD_STATE) {
8060 outs() << " flavor x86_THREAD_STATE\n";
8061 if (count == MachO::x86_THREAD_STATE_COUNT)
8062 outs() << " count x86_THREAD_STATE_COUNT\n";
8064 outs() << " count " << count
8065 << " (not x86_THREAD_STATE_COUNT)\n";
8066 struct MachO::x86_thread_state_t ts;
8068 if (left >= sizeof(MachO::x86_thread_state_t)) {
8069 memcpy(&ts, begin, sizeof(MachO::x86_thread_state_t));
8070 begin += sizeof(MachO::x86_thread_state_t);
8072 memset(&ts, '\0', sizeof(MachO::x86_thread_state_t));
8073 memcpy(&ts, begin, left);
8076 if (isLittleEndian != sys::IsLittleEndianHost)
8078 if (ts.tsh.flavor == MachO::x86_THREAD_STATE64) {
8079 outs() << "\t tsh.flavor x86_THREAD_STATE64 ";
8080 if (ts.tsh.count == MachO::x86_THREAD_STATE64_COUNT)
8081 outs() << "tsh.count x86_THREAD_STATE64_COUNT\n";
8083 outs() << "tsh.count " << ts.tsh.count
8084 << " (not x86_THREAD_STATE64_COUNT\n";
8085 Print_x86_thread_state64_t(ts.uts.ts64);
8087 outs() << "\t tsh.flavor " << ts.tsh.flavor << " tsh.count "
8088 << ts.tsh.count << "\n";
8090 } else if (flavor == MachO::x86_FLOAT_STATE) {
8091 outs() << " flavor x86_FLOAT_STATE\n";
8092 if (count == MachO::x86_FLOAT_STATE_COUNT)
8093 outs() << " count x86_FLOAT_STATE_COUNT\n";
8095 outs() << " count " << count << " (not x86_FLOAT_STATE_COUNT)\n";
8096 struct MachO::x86_float_state_t fs;
8098 if (left >= sizeof(MachO::x86_float_state_t)) {
8099 memcpy(&fs, begin, sizeof(MachO::x86_float_state_t));
8100 begin += sizeof(MachO::x86_float_state_t);
8102 memset(&fs, '\0', sizeof(MachO::x86_float_state_t));
8103 memcpy(&fs, begin, left);
8106 if (isLittleEndian != sys::IsLittleEndianHost)
8108 if (fs.fsh.flavor == MachO::x86_FLOAT_STATE64) {
8109 outs() << "\t fsh.flavor x86_FLOAT_STATE64 ";
8110 if (fs.fsh.count == MachO::x86_FLOAT_STATE64_COUNT)
8111 outs() << "fsh.count x86_FLOAT_STATE64_COUNT\n";
8113 outs() << "fsh.count " << fs.fsh.count
8114 << " (not x86_FLOAT_STATE64_COUNT\n";
8115 Print_x86_float_state_t(fs.ufs.fs64);
8117 outs() << "\t fsh.flavor " << fs.fsh.flavor << " fsh.count "
8118 << fs.fsh.count << "\n";
8120 } else if (flavor == MachO::x86_EXCEPTION_STATE) {
8121 outs() << " flavor x86_EXCEPTION_STATE\n";
8122 if (count == MachO::x86_EXCEPTION_STATE_COUNT)
8123 outs() << " count x86_EXCEPTION_STATE_COUNT\n";
8125 outs() << " count " << count
8126 << " (not x86_EXCEPTION_STATE_COUNT)\n";
8127 struct MachO::x86_exception_state_t es;
8129 if (left >= sizeof(MachO::x86_exception_state_t)) {
8130 memcpy(&es, begin, sizeof(MachO::x86_exception_state_t));
8131 begin += sizeof(MachO::x86_exception_state_t);
8133 memset(&es, '\0', sizeof(MachO::x86_exception_state_t));
8134 memcpy(&es, begin, left);
8137 if (isLittleEndian != sys::IsLittleEndianHost)
8139 if (es.esh.flavor == MachO::x86_EXCEPTION_STATE64) {
8140 outs() << "\t esh.flavor x86_EXCEPTION_STATE64\n";
8141 if (es.esh.count == MachO::x86_EXCEPTION_STATE64_COUNT)
8142 outs() << "\t esh.count x86_EXCEPTION_STATE64_COUNT\n";
8144 outs() << "\t esh.count " << es.esh.count
8145 << " (not x86_EXCEPTION_STATE64_COUNT\n";
8146 Print_x86_exception_state_t(es.ues.es64);
8148 outs() << "\t esh.flavor " << es.esh.flavor << " esh.count "
8149 << es.esh.count << "\n";
8152 outs() << " flavor " << flavor << " (unknown)\n";
8153 outs() << " count " << count << "\n";
8154 outs() << " state (unknown)\n";
8155 begin += count * sizeof(uint32_t);
8159 while (begin < end) {
8160 if (end - begin > (ptrdiff_t)sizeof(uint32_t)) {
8161 memcpy((char *)&flavor, begin, sizeof(uint32_t));
8162 begin += sizeof(uint32_t);
8167 if (isLittleEndian != sys::IsLittleEndianHost)
8168 sys::swapByteOrder(flavor);
8169 if (end - begin > (ptrdiff_t)sizeof(uint32_t)) {
8170 memcpy((char *)&count, begin, sizeof(uint32_t));
8171 begin += sizeof(uint32_t);
8176 if (isLittleEndian != sys::IsLittleEndianHost)
8177 sys::swapByteOrder(count);
8178 outs() << " flavor " << flavor << "\n";
8179 outs() << " count " << count << "\n";
8180 outs() << " state (Unknown cputype/cpusubtype)\n";
8181 begin += count * sizeof(uint32_t);
8186 static void PrintDylibCommand(MachO::dylib_command dl, const char *Ptr) {
8187 if (dl.cmd == MachO::LC_ID_DYLIB)
8188 outs() << " cmd LC_ID_DYLIB\n";
8189 else if (dl.cmd == MachO::LC_LOAD_DYLIB)
8190 outs() << " cmd LC_LOAD_DYLIB\n";
8191 else if (dl.cmd == MachO::LC_LOAD_WEAK_DYLIB)
8192 outs() << " cmd LC_LOAD_WEAK_DYLIB\n";
8193 else if (dl.cmd == MachO::LC_REEXPORT_DYLIB)
8194 outs() << " cmd LC_REEXPORT_DYLIB\n";
8195 else if (dl.cmd == MachO::LC_LAZY_LOAD_DYLIB)
8196 outs() << " cmd LC_LAZY_LOAD_DYLIB\n";
8197 else if (dl.cmd == MachO::LC_LOAD_UPWARD_DYLIB)
8198 outs() << " cmd LC_LOAD_UPWARD_DYLIB\n";
8200 outs() << " cmd " << dl.cmd << " (unknown)\n";
8201 outs() << " cmdsize " << dl.cmdsize;
8202 if (dl.cmdsize < sizeof(struct MachO::dylib_command))
8203 outs() << " Incorrect size\n";
8206 if (dl.dylib.name < dl.cmdsize) {
8207 const char *P = (const char *)(Ptr) + dl.dylib.name;
8208 outs() << " name " << P << " (offset " << dl.dylib.name << ")\n";
8210 outs() << " name ?(bad offset " << dl.dylib.name << ")\n";
8212 outs() << " time stamp " << dl.dylib.timestamp << " ";
8213 time_t t = dl.dylib.timestamp;
8214 outs() << ctime(&t);
8215 outs() << " current version ";
8216 if (dl.dylib.current_version == 0xffffffff)
8219 outs() << ((dl.dylib.current_version >> 16) & 0xffff) << "."
8220 << ((dl.dylib.current_version >> 8) & 0xff) << "."
8221 << (dl.dylib.current_version & 0xff) << "\n";
8222 outs() << "compatibility version ";
8223 if (dl.dylib.compatibility_version == 0xffffffff)
8226 outs() << ((dl.dylib.compatibility_version >> 16) & 0xffff) << "."
8227 << ((dl.dylib.compatibility_version >> 8) & 0xff) << "."
8228 << (dl.dylib.compatibility_version & 0xff) << "\n";
8231 static void PrintLinkEditDataCommand(MachO::linkedit_data_command ld,
8232 uint32_t object_size) {
8233 if (ld.cmd == MachO::LC_CODE_SIGNATURE)
8234 outs() << " cmd LC_FUNCTION_STARTS\n";
8235 else if (ld.cmd == MachO::LC_SEGMENT_SPLIT_INFO)
8236 outs() << " cmd LC_SEGMENT_SPLIT_INFO\n";
8237 else if (ld.cmd == MachO::LC_FUNCTION_STARTS)
8238 outs() << " cmd LC_FUNCTION_STARTS\n";
8239 else if (ld.cmd == MachO::LC_DATA_IN_CODE)
8240 outs() << " cmd LC_DATA_IN_CODE\n";
8241 else if (ld.cmd == MachO::LC_DYLIB_CODE_SIGN_DRS)
8242 outs() << " cmd LC_DYLIB_CODE_SIGN_DRS\n";
8243 else if (ld.cmd == MachO::LC_LINKER_OPTIMIZATION_HINT)
8244 outs() << " cmd LC_LINKER_OPTIMIZATION_HINT\n";
8246 outs() << " cmd " << ld.cmd << " (?)\n";
8247 outs() << " cmdsize " << ld.cmdsize;
8248 if (ld.cmdsize != sizeof(struct MachO::linkedit_data_command))
8249 outs() << " Incorrect size\n";
8252 outs() << " dataoff " << ld.dataoff;
8253 if (ld.dataoff > object_size)
8254 outs() << " (past end of file)\n";
8257 outs() << " datasize " << ld.datasize;
8258 uint64_t big_size = ld.dataoff;
8259 big_size += ld.datasize;
8260 if (big_size > object_size)
8261 outs() << " (past end of file)\n";
8266 static void PrintLoadCommands(const MachOObjectFile *Obj, uint32_t filetype,
8267 uint32_t cputype, bool verbose) {
8268 StringRef Buf = Obj->getData();
8270 for (const auto &Command : Obj->load_commands()) {
8271 outs() << "Load command " << Index++ << "\n";
8272 if (Command.C.cmd == MachO::LC_SEGMENT) {
8273 MachO::segment_command SLC = Obj->getSegmentLoadCommand(Command);
8274 const char *sg_segname = SLC.segname;
8275 PrintSegmentCommand(SLC.cmd, SLC.cmdsize, SLC.segname, SLC.vmaddr,
8276 SLC.vmsize, SLC.fileoff, SLC.filesize, SLC.maxprot,
8277 SLC.initprot, SLC.nsects, SLC.flags, Buf.size(),
8279 for (unsigned j = 0; j < SLC.nsects; j++) {
8280 MachO::section S = Obj->getSection(Command, j);
8281 PrintSection(S.sectname, S.segname, S.addr, S.size, S.offset, S.align,
8282 S.reloff, S.nreloc, S.flags, S.reserved1, S.reserved2,
8283 SLC.cmd, sg_segname, filetype, Buf.size(), verbose);
8285 } else if (Command.C.cmd == MachO::LC_SEGMENT_64) {
8286 MachO::segment_command_64 SLC_64 = Obj->getSegment64LoadCommand(Command);
8287 const char *sg_segname = SLC_64.segname;
8288 PrintSegmentCommand(SLC_64.cmd, SLC_64.cmdsize, SLC_64.segname,
8289 SLC_64.vmaddr, SLC_64.vmsize, SLC_64.fileoff,
8290 SLC_64.filesize, SLC_64.maxprot, SLC_64.initprot,
8291 SLC_64.nsects, SLC_64.flags, Buf.size(), verbose);
8292 for (unsigned j = 0; j < SLC_64.nsects; j++) {
8293 MachO::section_64 S_64 = Obj->getSection64(Command, j);
8294 PrintSection(S_64.sectname, S_64.segname, S_64.addr, S_64.size,
8295 S_64.offset, S_64.align, S_64.reloff, S_64.nreloc,
8296 S_64.flags, S_64.reserved1, S_64.reserved2, SLC_64.cmd,
8297 sg_segname, filetype, Buf.size(), verbose);
8299 } else if (Command.C.cmd == MachO::LC_SYMTAB) {
8300 MachO::symtab_command Symtab = Obj->getSymtabLoadCommand();
8301 PrintSymtabLoadCommand(Symtab, Obj->is64Bit(), Buf.size());
8302 } else if (Command.C.cmd == MachO::LC_DYSYMTAB) {
8303 MachO::dysymtab_command Dysymtab = Obj->getDysymtabLoadCommand();
8304 MachO::symtab_command Symtab = Obj->getSymtabLoadCommand();
8305 PrintDysymtabLoadCommand(Dysymtab, Symtab.nsyms, Buf.size(),
8307 } else if (Command.C.cmd == MachO::LC_DYLD_INFO ||
8308 Command.C.cmd == MachO::LC_DYLD_INFO_ONLY) {
8309 MachO::dyld_info_command DyldInfo = Obj->getDyldInfoLoadCommand(Command);
8310 PrintDyldInfoLoadCommand(DyldInfo, Buf.size());
8311 } else if (Command.C.cmd == MachO::LC_LOAD_DYLINKER ||
8312 Command.C.cmd == MachO::LC_ID_DYLINKER ||
8313 Command.C.cmd == MachO::LC_DYLD_ENVIRONMENT) {
8314 MachO::dylinker_command Dyld = Obj->getDylinkerCommand(Command);
8315 PrintDyldLoadCommand(Dyld, Command.Ptr);
8316 } else if (Command.C.cmd == MachO::LC_UUID) {
8317 MachO::uuid_command Uuid = Obj->getUuidCommand(Command);
8318 PrintUuidLoadCommand(Uuid);
8319 } else if (Command.C.cmd == MachO::LC_RPATH) {
8320 MachO::rpath_command Rpath = Obj->getRpathCommand(Command);
8321 PrintRpathLoadCommand(Rpath, Command.Ptr);
8322 } else if (Command.C.cmd == MachO::LC_VERSION_MIN_MACOSX ||
8323 Command.C.cmd == MachO::LC_VERSION_MIN_IPHONEOS) {
8324 MachO::version_min_command Vd = Obj->getVersionMinLoadCommand(Command);
8325 PrintVersionMinLoadCommand(Vd);
8326 } else if (Command.C.cmd == MachO::LC_SOURCE_VERSION) {
8327 MachO::source_version_command Sd = Obj->getSourceVersionCommand(Command);
8328 PrintSourceVersionCommand(Sd);
8329 } else if (Command.C.cmd == MachO::LC_MAIN) {
8330 MachO::entry_point_command Ep = Obj->getEntryPointCommand(Command);
8331 PrintEntryPointCommand(Ep);
8332 } else if (Command.C.cmd == MachO::LC_ENCRYPTION_INFO) {
8333 MachO::encryption_info_command Ei =
8334 Obj->getEncryptionInfoCommand(Command);
8335 PrintEncryptionInfoCommand(Ei, Buf.size());
8336 } else if (Command.C.cmd == MachO::LC_ENCRYPTION_INFO_64) {
8337 MachO::encryption_info_command_64 Ei =
8338 Obj->getEncryptionInfoCommand64(Command);
8339 PrintEncryptionInfoCommand64(Ei, Buf.size());
8340 } else if (Command.C.cmd == MachO::LC_LINKER_OPTION) {
8341 MachO::linker_option_command Lo =
8342 Obj->getLinkerOptionLoadCommand(Command);
8343 PrintLinkerOptionCommand(Lo, Command.Ptr);
8344 } else if (Command.C.cmd == MachO::LC_SUB_FRAMEWORK) {
8345 MachO::sub_framework_command Sf = Obj->getSubFrameworkCommand(Command);
8346 PrintSubFrameworkCommand(Sf, Command.Ptr);
8347 } else if (Command.C.cmd == MachO::LC_SUB_UMBRELLA) {
8348 MachO::sub_umbrella_command Sf = Obj->getSubUmbrellaCommand(Command);
8349 PrintSubUmbrellaCommand(Sf, Command.Ptr);
8350 } else if (Command.C.cmd == MachO::LC_SUB_LIBRARY) {
8351 MachO::sub_library_command Sl = Obj->getSubLibraryCommand(Command);
8352 PrintSubLibraryCommand(Sl, Command.Ptr);
8353 } else if (Command.C.cmd == MachO::LC_SUB_CLIENT) {
8354 MachO::sub_client_command Sc = Obj->getSubClientCommand(Command);
8355 PrintSubClientCommand(Sc, Command.Ptr);
8356 } else if (Command.C.cmd == MachO::LC_ROUTINES) {
8357 MachO::routines_command Rc = Obj->getRoutinesCommand(Command);
8358 PrintRoutinesCommand(Rc);
8359 } else if (Command.C.cmd == MachO::LC_ROUTINES_64) {
8360 MachO::routines_command_64 Rc = Obj->getRoutinesCommand64(Command);
8361 PrintRoutinesCommand64(Rc);
8362 } else if (Command.C.cmd == MachO::LC_THREAD ||
8363 Command.C.cmd == MachO::LC_UNIXTHREAD) {
8364 MachO::thread_command Tc = Obj->getThreadCommand(Command);
8365 PrintThreadCommand(Tc, Command.Ptr, Obj->isLittleEndian(), cputype);
8366 } else if (Command.C.cmd == MachO::LC_LOAD_DYLIB ||
8367 Command.C.cmd == MachO::LC_ID_DYLIB ||
8368 Command.C.cmd == MachO::LC_LOAD_WEAK_DYLIB ||
8369 Command.C.cmd == MachO::LC_REEXPORT_DYLIB ||
8370 Command.C.cmd == MachO::LC_LAZY_LOAD_DYLIB ||
8371 Command.C.cmd == MachO::LC_LOAD_UPWARD_DYLIB) {
8372 MachO::dylib_command Dl = Obj->getDylibIDLoadCommand(Command);
8373 PrintDylibCommand(Dl, Command.Ptr);
8374 } else if (Command.C.cmd == MachO::LC_CODE_SIGNATURE ||
8375 Command.C.cmd == MachO::LC_SEGMENT_SPLIT_INFO ||
8376 Command.C.cmd == MachO::LC_FUNCTION_STARTS ||
8377 Command.C.cmd == MachO::LC_DATA_IN_CODE ||
8378 Command.C.cmd == MachO::LC_DYLIB_CODE_SIGN_DRS ||
8379 Command.C.cmd == MachO::LC_LINKER_OPTIMIZATION_HINT) {
8380 MachO::linkedit_data_command Ld =
8381 Obj->getLinkeditDataLoadCommand(Command);
8382 PrintLinkEditDataCommand(Ld, Buf.size());
8384 outs() << " cmd ?(" << format("0x%08" PRIx32, Command.C.cmd)
8386 outs() << " cmdsize " << Command.C.cmdsize << "\n";
8387 // TODO: get and print the raw bytes of the load command.
8389 // TODO: print all the other kinds of load commands.
8393 static void getAndPrintMachHeader(const MachOObjectFile *Obj,
8394 uint32_t &filetype, uint32_t &cputype,
8396 if (Obj->is64Bit()) {
8397 MachO::mach_header_64 H_64;
8398 H_64 = Obj->getHeader64();
8399 PrintMachHeader(H_64.magic, H_64.cputype, H_64.cpusubtype, H_64.filetype,
8400 H_64.ncmds, H_64.sizeofcmds, H_64.flags, verbose);
8401 filetype = H_64.filetype;
8402 cputype = H_64.cputype;
8404 MachO::mach_header H;
8405 H = Obj->getHeader();
8406 PrintMachHeader(H.magic, H.cputype, H.cpusubtype, H.filetype, H.ncmds,
8407 H.sizeofcmds, H.flags, verbose);
8408 filetype = H.filetype;
8409 cputype = H.cputype;
8413 void llvm::printMachOFileHeader(const object::ObjectFile *Obj) {
8414 const MachOObjectFile *file = dyn_cast<const MachOObjectFile>(Obj);
8415 uint32_t filetype = 0;
8416 uint32_t cputype = 0;
8417 getAndPrintMachHeader(file, filetype, cputype, !NonVerbose);
8418 PrintLoadCommands(file, filetype, cputype, !NonVerbose);
8421 //===----------------------------------------------------------------------===//
8422 // export trie dumping
8423 //===----------------------------------------------------------------------===//
8425 void llvm::printMachOExportsTrie(const object::MachOObjectFile *Obj) {
8426 for (const llvm::object::ExportEntry &Entry : Obj->exports()) {
8427 uint64_t Flags = Entry.flags();
8428 bool ReExport = (Flags & MachO::EXPORT_SYMBOL_FLAGS_REEXPORT);
8429 bool WeakDef = (Flags & MachO::EXPORT_SYMBOL_FLAGS_WEAK_DEFINITION);
8430 bool ThreadLocal = ((Flags & MachO::EXPORT_SYMBOL_FLAGS_KIND_MASK) ==
8431 MachO::EXPORT_SYMBOL_FLAGS_KIND_THREAD_LOCAL);
8432 bool Abs = ((Flags & MachO::EXPORT_SYMBOL_FLAGS_KIND_MASK) ==
8433 MachO::EXPORT_SYMBOL_FLAGS_KIND_ABSOLUTE);
8434 bool Resolver = (Flags & MachO::EXPORT_SYMBOL_FLAGS_STUB_AND_RESOLVER);
8436 outs() << "[re-export] ";
8438 outs() << format("0x%08llX ",
8439 Entry.address()); // FIXME:add in base address
8440 outs() << Entry.name();
8441 if (WeakDef || ThreadLocal || Resolver || Abs) {
8442 bool NeedsComma = false;
8445 outs() << "weak_def";
8451 outs() << "per-thread";
8457 outs() << "absolute";
8463 outs() << format("resolver=0x%08llX", Entry.other());
8469 StringRef DylibName = "unknown";
8470 int Ordinal = Entry.other() - 1;
8471 Obj->getLibraryShortNameByIndex(Ordinal, DylibName);
8472 if (Entry.otherName().empty())
8473 outs() << " (from " << DylibName << ")";
8475 outs() << " (" << Entry.otherName() << " from " << DylibName << ")";
8481 //===----------------------------------------------------------------------===//
8482 // rebase table dumping
8483 //===----------------------------------------------------------------------===//
8488 SegInfo(const object::MachOObjectFile *Obj);
8490 StringRef segmentName(uint32_t SegIndex);
8491 StringRef sectionName(uint32_t SegIndex, uint64_t SegOffset);
8492 uint64_t address(uint32_t SegIndex, uint64_t SegOffset);
8495 struct SectionInfo {
8498 StringRef SectionName;
8499 StringRef SegmentName;
8500 uint64_t OffsetInSegment;
8501 uint64_t SegmentStartAddress;
8502 uint32_t SegmentIndex;
8504 const SectionInfo &findSection(uint32_t SegIndex, uint64_t SegOffset);
8505 SmallVector<SectionInfo, 32> Sections;
8509 SegInfo::SegInfo(const object::MachOObjectFile *Obj) {
8510 // Build table of sections so segIndex/offset pairs can be translated.
8511 uint32_t CurSegIndex = Obj->hasPageZeroSegment() ? 1 : 0;
8512 StringRef CurSegName;
8513 uint64_t CurSegAddress;
8514 for (const SectionRef &Section : Obj->sections()) {
8516 error(Section.getName(Info.SectionName));
8517 Info.Address = Section.getAddress();
8518 Info.Size = Section.getSize();
8520 Obj->getSectionFinalSegmentName(Section.getRawDataRefImpl());
8521 if (!Info.SegmentName.equals(CurSegName)) {
8523 CurSegName = Info.SegmentName;
8524 CurSegAddress = Info.Address;
8526 Info.SegmentIndex = CurSegIndex - 1;
8527 Info.OffsetInSegment = Info.Address - CurSegAddress;
8528 Info.SegmentStartAddress = CurSegAddress;
8529 Sections.push_back(Info);
8533 StringRef SegInfo::segmentName(uint32_t SegIndex) {
8534 for (const SectionInfo &SI : Sections) {
8535 if (SI.SegmentIndex == SegIndex)
8536 return SI.SegmentName;
8538 llvm_unreachable("invalid segIndex");
8541 const SegInfo::SectionInfo &SegInfo::findSection(uint32_t SegIndex,
8542 uint64_t OffsetInSeg) {
8543 for (const SectionInfo &SI : Sections) {
8544 if (SI.SegmentIndex != SegIndex)
8546 if (SI.OffsetInSegment > OffsetInSeg)
8548 if (OffsetInSeg >= (SI.OffsetInSegment + SI.Size))
8552 llvm_unreachable("segIndex and offset not in any section");
8555 StringRef SegInfo::sectionName(uint32_t SegIndex, uint64_t OffsetInSeg) {
8556 return findSection(SegIndex, OffsetInSeg).SectionName;
8559 uint64_t SegInfo::address(uint32_t SegIndex, uint64_t OffsetInSeg) {
8560 const SectionInfo &SI = findSection(SegIndex, OffsetInSeg);
8561 return SI.SegmentStartAddress + OffsetInSeg;
8564 void llvm::printMachORebaseTable(const object::MachOObjectFile *Obj) {
8565 // Build table of sections so names can used in final output.
8566 SegInfo sectionTable(Obj);
8568 outs() << "segment section address type\n";
8569 for (const llvm::object::MachORebaseEntry &Entry : Obj->rebaseTable()) {
8570 uint32_t SegIndex = Entry.segmentIndex();
8571 uint64_t OffsetInSeg = Entry.segmentOffset();
8572 StringRef SegmentName = sectionTable.segmentName(SegIndex);
8573 StringRef SectionName = sectionTable.sectionName(SegIndex, OffsetInSeg);
8574 uint64_t Address = sectionTable.address(SegIndex, OffsetInSeg);
8576 // Table lines look like: __DATA __nl_symbol_ptr 0x0000F00C pointer
8577 outs() << format("%-8s %-18s 0x%08" PRIX64 " %s\n",
8578 SegmentName.str().c_str(), SectionName.str().c_str(),
8579 Address, Entry.typeName().str().c_str());
8583 static StringRef ordinalName(const object::MachOObjectFile *Obj, int Ordinal) {
8584 StringRef DylibName;
8586 case MachO::BIND_SPECIAL_DYLIB_SELF:
8587 return "this-image";
8588 case MachO::BIND_SPECIAL_DYLIB_MAIN_EXECUTABLE:
8589 return "main-executable";
8590 case MachO::BIND_SPECIAL_DYLIB_FLAT_LOOKUP:
8591 return "flat-namespace";
8594 std::error_code EC =
8595 Obj->getLibraryShortNameByIndex(Ordinal - 1, DylibName);
8597 return "<<bad library ordinal>>";
8601 return "<<unknown special ordinal>>";
8604 //===----------------------------------------------------------------------===//
8605 // bind table dumping
8606 //===----------------------------------------------------------------------===//
8608 void llvm::printMachOBindTable(const object::MachOObjectFile *Obj) {
8609 // Build table of sections so names can used in final output.
8610 SegInfo sectionTable(Obj);
8612 outs() << "segment section address type "
8613 "addend dylib symbol\n";
8614 for (const llvm::object::MachOBindEntry &Entry : Obj->bindTable()) {
8615 uint32_t SegIndex = Entry.segmentIndex();
8616 uint64_t OffsetInSeg = Entry.segmentOffset();
8617 StringRef SegmentName = sectionTable.segmentName(SegIndex);
8618 StringRef SectionName = sectionTable.sectionName(SegIndex, OffsetInSeg);
8619 uint64_t Address = sectionTable.address(SegIndex, OffsetInSeg);
8621 // Table lines look like:
8622 // __DATA __got 0x00012010 pointer 0 libSystem ___stack_chk_guard
8624 if (Entry.flags() & MachO::BIND_SYMBOL_FLAGS_WEAK_IMPORT)
8625 Attr = " (weak_import)";
8626 outs() << left_justify(SegmentName, 8) << " "
8627 << left_justify(SectionName, 18) << " "
8628 << format_hex(Address, 10, true) << " "
8629 << left_justify(Entry.typeName(), 8) << " "
8630 << format_decimal(Entry.addend(), 8) << " "
8631 << left_justify(ordinalName(Obj, Entry.ordinal()), 16) << " "
8632 << Entry.symbolName() << Attr << "\n";
8636 //===----------------------------------------------------------------------===//
8637 // lazy bind table dumping
8638 //===----------------------------------------------------------------------===//
8640 void llvm::printMachOLazyBindTable(const object::MachOObjectFile *Obj) {
8641 // Build table of sections so names can used in final output.
8642 SegInfo sectionTable(Obj);
8644 outs() << "segment section address "
8646 for (const llvm::object::MachOBindEntry &Entry : Obj->lazyBindTable()) {
8647 uint32_t SegIndex = Entry.segmentIndex();
8648 uint64_t OffsetInSeg = Entry.segmentOffset();
8649 StringRef SegmentName = sectionTable.segmentName(SegIndex);
8650 StringRef SectionName = sectionTable.sectionName(SegIndex, OffsetInSeg);
8651 uint64_t Address = sectionTable.address(SegIndex, OffsetInSeg);
8653 // Table lines look like:
8654 // __DATA __got 0x00012010 libSystem ___stack_chk_guard
8655 outs() << left_justify(SegmentName, 8) << " "
8656 << left_justify(SectionName, 18) << " "
8657 << format_hex(Address, 10, true) << " "
8658 << left_justify(ordinalName(Obj, Entry.ordinal()), 16) << " "
8659 << Entry.symbolName() << "\n";
8663 //===----------------------------------------------------------------------===//
8664 // weak bind table dumping
8665 //===----------------------------------------------------------------------===//
8667 void llvm::printMachOWeakBindTable(const object::MachOObjectFile *Obj) {
8668 // Build table of sections so names can used in final output.
8669 SegInfo sectionTable(Obj);
8671 outs() << "segment section address "
8672 "type addend symbol\n";
8673 for (const llvm::object::MachOBindEntry &Entry : Obj->weakBindTable()) {
8674 // Strong symbols don't have a location to update.
8675 if (Entry.flags() & MachO::BIND_SYMBOL_FLAGS_NON_WEAK_DEFINITION) {
8676 outs() << " strong "
8677 << Entry.symbolName() << "\n";
8680 uint32_t SegIndex = Entry.segmentIndex();
8681 uint64_t OffsetInSeg = Entry.segmentOffset();
8682 StringRef SegmentName = sectionTable.segmentName(SegIndex);
8683 StringRef SectionName = sectionTable.sectionName(SegIndex, OffsetInSeg);
8684 uint64_t Address = sectionTable.address(SegIndex, OffsetInSeg);
8686 // Table lines look like:
8687 // __DATA __data 0x00001000 pointer 0 _foo
8688 outs() << left_justify(SegmentName, 8) << " "
8689 << left_justify(SectionName, 18) << " "
8690 << format_hex(Address, 10, true) << " "
8691 << left_justify(Entry.typeName(), 8) << " "
8692 << format_decimal(Entry.addend(), 8) << " " << Entry.symbolName()
8697 // get_dyld_bind_info_symbolname() is used for disassembly and passed an
8698 // address, ReferenceValue, in the Mach-O file and looks in the dyld bind
8699 // information for that address. If the address is found its binding symbol
8700 // name is returned. If not nullptr is returned.
8701 static const char *get_dyld_bind_info_symbolname(uint64_t ReferenceValue,
8702 struct DisassembleInfo *info) {
8703 if (info->bindtable == nullptr) {
8704 info->bindtable = new (BindTable);
8705 SegInfo sectionTable(info->O);
8706 for (const llvm::object::MachOBindEntry &Entry : info->O->bindTable()) {
8707 uint32_t SegIndex = Entry.segmentIndex();
8708 uint64_t OffsetInSeg = Entry.segmentOffset();
8709 uint64_t Address = sectionTable.address(SegIndex, OffsetInSeg);
8710 const char *SymbolName = nullptr;
8711 StringRef name = Entry.symbolName();
8713 SymbolName = name.data();
8714 info->bindtable->push_back(std::make_pair(Address, SymbolName));
8717 for (bind_table_iterator BI = info->bindtable->begin(),
8718 BE = info->bindtable->end();
8720 uint64_t Address = BI->first;
8721 if (ReferenceValue == Address) {
8722 const char *SymbolName = BI->second;