clang -cc1 -cc1 -triple amd64-unknown-openbsd7.0 -analyze -disable-free -disable-llvm-verifier -discard-value-names -main-file-name MachODump.cpp -analyzer-store=region -analyzer-opt-analyze-nested-blocks -analyzer-checker=core -analyzer-checker=apiModeling -analyzer-checker=unix -analyzer-checker=deadcode -analyzer-checker=cplusplus -analyzer-checker=security.insecureAPI.UncheckedReturn -analyzer-checker=security.insecureAPI.getpw -analyzer-checker=security.insecureAPI.gets -analyzer-checker=security.insecureAPI.mktemp -analyzer-checker=security.insecureAPI.mkstemp -analyzer-checker=security.insecureAPI.vfork -analyzer-checker=nullability.NullPassedToNonnull -analyzer-checker=nullability.NullReturnedFromNonnull -analyzer-output plist -w -setup-static-analyzer -mrelocation-model static -mframe-pointer=all -relaxed-aliasing -fno-rounding-math -mconstructor-aliases -munwind-tables -target-cpu x86-64 -tune-cpu generic -debugger-tuning=gdb -fcoverage-compilation-dir=/usr/src/gnu/usr.bin/clang/llvm-objdump/obj -resource-dir /usr/local/lib/clang/13.0.0 -I /usr/src/gnu/usr.bin/clang/llvm-objdump/obj/../include/llvm-objdump -I /usr/src/gnu/usr.bin/clang/llvm-objdump/../../../llvm/llvm/include -I /usr/src/gnu/usr.bin/clang/llvm-objdump/../include -I /usr/src/gnu/usr.bin/clang/llvm-objdump/obj -I /usr/src/gnu/usr.bin/clang/llvm-objdump/obj/../include -D NDEBUG -D __STDC_LIMIT_MACROS -D __STDC_CONSTANT_MACROS -D __STDC_FORMAT_MACROS -D LLVM_PREFIX="/usr" -internal-isystem /usr/include/c++/v1 -internal-isystem /usr/local/lib/clang/13.0.0/include -internal-externc-isystem /usr/include -O2 -Wno-unused-parameter -Wwrite-strings -Wno-missing-field-initializers -Wno-long-long -Wno-comment -std=c++14 -fdeprecated-macro -fdebug-compilation-dir=/usr/src/gnu/usr.bin/clang/llvm-objdump/obj -ferror-limit 19 -fvisibility-inlines-hidden -fwrapv -stack-protector 2 -fno-rtti -fgnuc-version=4.2.1 -vectorize-loops -vectorize-slp -fno-builtin-malloc -fno-builtin-calloc -fno-builtin-realloc -fno-builtin-valloc -fno-builtin-free -fno-builtin-strdup -fno-builtin-strndup -analyzer-output=html -faddrsig -D__GCC_HAVE_DWARF2_CFI_ASM=1 -o /home/ben/Projects/vmm/scan-build/2022-01-12-194120-40624-1 -x c++ /usr/src/gnu/usr.bin/clang/llvm-objdump/../../../llvm/llvm/tools/llvm-objdump/MachODump.cpp
1 | |
2 | |
3 | |
4 | |
5 | |
6 | |
7 | |
8 | |
9 | |
10 | |
11 | |
12 | |
13 | #include "MachODump.h" |
14 | |
15 | #include "ObjdumpOptID.h" |
16 | #include "llvm-objdump.h" |
17 | #include "llvm-c/Disassembler.h" |
18 | #include "llvm/ADT/STLExtras.h" |
19 | #include "llvm/ADT/StringExtras.h" |
20 | #include "llvm/ADT/Triple.h" |
21 | #include "llvm/BinaryFormat/MachO.h" |
22 | #include "llvm/Config/config.h" |
23 | #include "llvm/DebugInfo/DIContext.h" |
24 | #include "llvm/DebugInfo/DWARF/DWARFContext.h" |
25 | #include "llvm/Demangle/Demangle.h" |
26 | #include "llvm/MC/MCAsmInfo.h" |
27 | #include "llvm/MC/MCContext.h" |
28 | #include "llvm/MC/MCDisassembler/MCDisassembler.h" |
29 | #include "llvm/MC/MCInst.h" |
30 | #include "llvm/MC/MCInstPrinter.h" |
31 | #include "llvm/MC/MCInstrDesc.h" |
32 | #include "llvm/MC/MCInstrInfo.h" |
33 | #include "llvm/MC/MCRegisterInfo.h" |
34 | #include "llvm/MC/MCSubtargetInfo.h" |
35 | #include "llvm/MC/MCTargetOptions.h" |
36 | #include "llvm/Object/MachO.h" |
37 | #include "llvm/Object/MachOUniversal.h" |
38 | #include "llvm/Option/ArgList.h" |
39 | #include "llvm/Support/Casting.h" |
40 | #include "llvm/Support/Debug.h" |
41 | #include "llvm/Support/Endian.h" |
42 | #include "llvm/Support/Format.h" |
43 | #include "llvm/Support/FormattedStream.h" |
44 | #include "llvm/Support/GraphWriter.h" |
45 | #include "llvm/Support/LEB128.h" |
46 | #include "llvm/Support/MemoryBuffer.h" |
47 | #include "llvm/Support/TargetRegistry.h" |
48 | #include "llvm/Support/TargetSelect.h" |
49 | #include "llvm/Support/ToolOutputFile.h" |
50 | #include "llvm/Support/WithColor.h" |
51 | #include "llvm/Support/raw_ostream.h" |
52 | #include <algorithm> |
53 | #include <cstring> |
54 | #include <system_error> |
55 | |
56 | #ifdef LLVM_HAVE_LIBXAR |
57 | extern "C" { |
58 | #include <xar/xar.h> |
59 | } |
60 | #endif |
61 | |
62 | using namespace llvm; |
63 | using namespace llvm::object; |
64 | using namespace llvm::objdump; |
65 | |
66 | bool objdump::FirstPrivateHeader; |
67 | bool objdump::ExportsTrie; |
68 | bool objdump::Rebase; |
69 | bool objdump::Rpaths; |
70 | bool objdump::Bind; |
71 | bool objdump::LazyBind; |
72 | bool objdump::WeakBind; |
73 | static bool UseDbg; |
74 | static std::string DSYMFile; |
75 | bool objdump::FullLeadingAddr; |
76 | bool objdump::LeadingHeaders; |
77 | bool objdump::UniversalHeaders; |
78 | static bool ArchiveMemberOffsets; |
79 | bool objdump::IndirectSymbols; |
80 | bool objdump::DataInCode; |
81 | bool objdump::FunctionStarts; |
82 | bool objdump::LinkOptHints; |
83 | bool objdump::InfoPlist; |
84 | bool objdump::DylibsUsed; |
85 | bool objdump::DylibId; |
86 | bool objdump::Verbose; |
87 | bool objdump::ObjcMetaData; |
88 | std::string objdump::DisSymName; |
89 | bool objdump::SymbolicOperands; |
90 | static std::vector<std::string> ArchFlags; |
91 | |
92 | static bool ArchAll = false; |
93 | static std::string ThumbTripleName; |
94 | |
95 | void objdump::parseMachOOptions(const llvm::opt::InputArgList &InputArgs) { |
96 | FirstPrivateHeader = InputArgs.hasArg(OBJDUMP_private_header); |
97 | ExportsTrie = InputArgs.hasArg(OBJDUMP_exports_trie); |
98 | Rebase = InputArgs.hasArg(OBJDUMP_rebase); |
99 | Rpaths = InputArgs.hasArg(OBJDUMP_rpaths); |
100 | Bind = InputArgs.hasArg(OBJDUMP_bind); |
101 | LazyBind = InputArgs.hasArg(OBJDUMP_lazy_bind); |
102 | WeakBind = InputArgs.hasArg(OBJDUMP_weak_bind); |
103 | UseDbg = InputArgs.hasArg(OBJDUMP_g); |
104 | DSYMFile = InputArgs.getLastArgValue(OBJDUMP_dsym_EQ).str(); |
105 | FullLeadingAddr = InputArgs.hasArg(OBJDUMP_full_leading_addr); |
106 | LeadingHeaders = !InputArgs.hasArg(OBJDUMP_no_leading_headers); |
107 | UniversalHeaders = InputArgs.hasArg(OBJDUMP_universal_headers); |
108 | ArchiveMemberOffsets = InputArgs.hasArg(OBJDUMP_archive_member_offsets); |
109 | IndirectSymbols = InputArgs.hasArg(OBJDUMP_indirect_symbols); |
110 | DataInCode = InputArgs.hasArg(OBJDUMP_data_in_code); |
111 | FunctionStarts = InputArgs.hasArg(OBJDUMP_function_starts); |
112 | LinkOptHints = InputArgs.hasArg(OBJDUMP_link_opt_hints); |
113 | InfoPlist = InputArgs.hasArg(OBJDUMP_info_plist); |
114 | DylibsUsed = InputArgs.hasArg(OBJDUMP_dylibs_used); |
115 | DylibId = InputArgs.hasArg(OBJDUMP_dylib_id); |
116 | Verbose = !InputArgs.hasArg(OBJDUMP_non_verbose); |
117 | ObjcMetaData = InputArgs.hasArg(OBJDUMP_objc_meta_data); |
118 | DisSymName = InputArgs.getLastArgValue(OBJDUMP_dis_symname).str(); |
119 | SymbolicOperands = !InputArgs.hasArg(OBJDUMP_no_symbolic_operands); |
120 | ArchFlags = InputArgs.getAllArgValues(OBJDUMP_arch_EQ); |
121 | } |
122 | |
123 | static const Target *GetTarget(const MachOObjectFile *MachOObj, |
124 | const char **McpuDefault, |
125 | const Target **ThumbTarget) { |
126 | |
127 | Triple TT(TripleName); |
128 | if (TripleName.empty()) { |
129 | TT = MachOObj->getArchTriple(McpuDefault); |
130 | TripleName = TT.str(); |
131 | } |
132 | |
133 | if (TT.getArch() == Triple::arm) { |
134 | |
135 | |
136 | Triple ThumbTriple = TT; |
137 | std::string ThumbName = (Twine("thumb") + TT.getArchName().substr(3)).str(); |
138 | ThumbTriple.setArchName(ThumbName); |
139 | ThumbTripleName = ThumbTriple.str(); |
140 | } |
141 | |
142 | |
143 | std::string Error; |
144 | const Target *TheTarget = TargetRegistry::lookupTarget(TripleName, Error); |
145 | if (TheTarget && ThumbTripleName.empty()) |
146 | return TheTarget; |
147 | |
148 | *ThumbTarget = TargetRegistry::lookupTarget(ThumbTripleName, Error); |
149 | if (*ThumbTarget) |
150 | return TheTarget; |
151 | |
152 | WithColor::error(errs(), "llvm-objdump") << "unable to get target for '"; |
153 | if (!TheTarget) |
154 | errs() << TripleName; |
155 | else |
156 | errs() << ThumbTripleName; |
157 | errs() << "', see --version and --triple.\n"; |
158 | return nullptr; |
159 | } |
160 | |
161 | namespace { |
162 | struct SymbolSorter { |
163 | bool operator()(const SymbolRef &A, const SymbolRef &B) { |
164 | Expected<SymbolRef::Type> ATypeOrErr = A.getType(); |
165 | if (!ATypeOrErr) |
166 | reportError(ATypeOrErr.takeError(), A.getObject()->getFileName()); |
167 | SymbolRef::Type AType = *ATypeOrErr; |
168 | Expected<SymbolRef::Type> BTypeOrErr = B.getType(); |
169 | if (!BTypeOrErr) |
170 | reportError(BTypeOrErr.takeError(), B.getObject()->getFileName()); |
171 | SymbolRef::Type BType = *BTypeOrErr; |
172 | uint64_t AAddr = |
173 | (AType != SymbolRef::ST_Function) ? 0 : cantFail(A.getValue()); |
174 | uint64_t BAddr = |
175 | (BType != SymbolRef::ST_Function) ? 0 : cantFail(B.getValue()); |
176 | return AAddr < BAddr; |
177 | } |
178 | }; |
179 | } |
180 | |
181 | |
182 | |
183 | typedef std::pair<uint64_t, DiceRef> DiceTableEntry; |
184 | typedef std::vector<DiceTableEntry> DiceTable; |
185 | typedef DiceTable::iterator dice_table_iterator; |
186 | |
187 | #ifdef LLVM_HAVE_LIBXAR |
188 | namespace { |
189 | struct ScopedXarFile { |
190 | xar_t xar; |
191 | ScopedXarFile(const char *filename, int32_t flags) |
192 | : xar(xar_open(filename, flags)) {} |
193 | ~ScopedXarFile() { |
194 | if (xar) |
195 | xar_close(xar); |
196 | } |
197 | ScopedXarFile(const ScopedXarFile &) = delete; |
198 | ScopedXarFile &operator=(const ScopedXarFile &) = delete; |
199 | operator xar_t() { return xar; } |
200 | }; |
201 | |
202 | struct ScopedXarIter { |
203 | xar_iter_t iter; |
204 | ScopedXarIter() : iter(xar_iter_new()) {} |
205 | ~ScopedXarIter() { |
206 | if (iter) |
207 | xar_iter_free(iter); |
208 | } |
209 | ScopedXarIter(const ScopedXarIter &) = delete; |
210 | ScopedXarIter &operator=(const ScopedXarIter &) = delete; |
211 | operator xar_iter_t() { return iter; } |
212 | }; |
213 | } |
214 | #endif // defined(LLVM_HAVE_LIBXAR) |
215 | |
216 | |
217 | |
218 | |
219 | |
220 | |
221 | |
222 | static bool compareDiceTableEntries(const DiceTableEntry &i, |
223 | const DiceTableEntry &j) { |
224 | uint16_t Length; |
225 | i.second.getLength(Length); |
226 | |
227 | return j.first >= i.first && j.first < i.first + Length; |
228 | } |
229 | |
230 | static uint64_t DumpDataInCode(const uint8_t *bytes, uint64_t Length, |
231 | unsigned short Kind) { |
232 | uint32_t Value, Size = 1; |
233 | |
234 | switch (Kind) { |
235 | default: |
236 | case MachO::DICE_KIND_DATA: |
237 | if (Length >= 4) { |
238 | if (ShowRawInsn) |
239 | dumpBytes(makeArrayRef(bytes, 4), outs()); |
240 | Value = bytes[3] << 24 | bytes[2] << 16 | bytes[1] << 8 | bytes[0]; |
241 | outs() << "\t.long " << Value; |
242 | Size = 4; |
243 | } else if (Length >= 2) { |
244 | if (ShowRawInsn) |
245 | dumpBytes(makeArrayRef(bytes, 2), outs()); |
246 | Value = bytes[1] << 8 | bytes[0]; |
247 | outs() << "\t.short " << Value; |
248 | Size = 2; |
249 | } else { |
250 | if (ShowRawInsn) |
251 | dumpBytes(makeArrayRef(bytes, 2), outs()); |
252 | Value = bytes[0]; |
253 | outs() << "\t.byte " << Value; |
254 | Size = 1; |
255 | } |
256 | if (Kind == MachO::DICE_KIND_DATA) |
257 | outs() << "\t@ KIND_DATA\n"; |
258 | else |
259 | outs() << "\t@ data in code kind = " << Kind << "\n"; |
260 | break; |
261 | case MachO::DICE_KIND_JUMP_TABLE8: |
262 | if (ShowRawInsn) |
263 | dumpBytes(makeArrayRef(bytes, 1), outs()); |
264 | Value = bytes[0]; |
265 | outs() << "\t.byte " << format("%3u", Value) << "\t@ KIND_JUMP_TABLE8\n"; |
266 | Size = 1; |
267 | break; |
268 | case MachO::DICE_KIND_JUMP_TABLE16: |
269 | if (ShowRawInsn) |
270 | dumpBytes(makeArrayRef(bytes, 2), outs()); |
271 | Value = bytes[1] << 8 | bytes[0]; |
272 | outs() << "\t.short " << format("%5u", Value & 0xffff) |
273 | << "\t@ KIND_JUMP_TABLE16\n"; |
274 | Size = 2; |
275 | break; |
276 | case MachO::DICE_KIND_JUMP_TABLE32: |
277 | case MachO::DICE_KIND_ABS_JUMP_TABLE32: |
278 | if (ShowRawInsn) |
279 | dumpBytes(makeArrayRef(bytes, 4), outs()); |
280 | Value = bytes[3] << 24 | bytes[2] << 16 | bytes[1] << 8 | bytes[0]; |
281 | outs() << "\t.long " << Value; |
282 | if (Kind == MachO::DICE_KIND_JUMP_TABLE32) |
283 | outs() << "\t@ KIND_JUMP_TABLE32\n"; |
284 | else |
285 | outs() << "\t@ KIND_ABS_JUMP_TABLE32\n"; |
286 | Size = 4; |
287 | break; |
288 | } |
289 | return Size; |
290 | } |
291 | |
292 | static void getSectionsAndSymbols(MachOObjectFile *MachOObj, |
293 | std::vector<SectionRef> &Sections, |
294 | std::vector<SymbolRef> &Symbols, |
295 | SmallVectorImpl<uint64_t> &FoundFns, |
296 | uint64_t &BaseSegmentAddress) { |
297 | const StringRef FileName = MachOObj->getFileName(); |
298 | for (const SymbolRef &Symbol : MachOObj->symbols()) { |
299 | StringRef SymName = unwrapOrError(Symbol.getName(), FileName); |
300 | if (!SymName.startswith("ltmp")) |
301 | Symbols.push_back(Symbol); |
302 | } |
303 | |
304 | append_range(Sections, MachOObj->sections()); |
305 | |
306 | bool BaseSegmentAddressSet = false; |
307 | for (const auto &Command : MachOObj->load_commands()) { |
308 | if (Command.C.cmd == MachO::LC_FUNCTION_STARTS) { |
309 | |
310 | |
311 | MachO::linkedit_data_command LLC = |
312 | MachOObj->getLinkeditDataLoadCommand(Command); |
313 | |
314 | MachOObj->ReadULEB128s(LLC.dataoff, FoundFns); |
315 | } else if (Command.C.cmd == MachO::LC_SEGMENT) { |
316 | MachO::segment_command SLC = MachOObj->getSegmentLoadCommand(Command); |
317 | StringRef SegName = SLC.segname; |
318 | if (!BaseSegmentAddressSet && SegName != "__PAGEZERO") { |
319 | BaseSegmentAddressSet = true; |
320 | BaseSegmentAddress = SLC.vmaddr; |
321 | } |
322 | } else if (Command.C.cmd == MachO::LC_SEGMENT_64) { |
323 | MachO::segment_command_64 SLC = MachOObj->getSegment64LoadCommand(Command); |
324 | StringRef SegName = SLC.segname; |
325 | if (!BaseSegmentAddressSet && SegName != "__PAGEZERO") { |
326 | BaseSegmentAddressSet = true; |
327 | BaseSegmentAddress = SLC.vmaddr; |
328 | } |
329 | } |
330 | } |
331 | } |
332 | |
333 | static bool DumpAndSkipDataInCode(uint64_t PC, const uint8_t *bytes, |
334 | DiceTable &Dices, uint64_t &InstSize) { |
335 | |
336 | |
337 | DiceTable Dice; |
338 | Dice.push_back(std::make_pair(PC, DiceRef())); |
339 | dice_table_iterator DTI = |
340 | std::search(Dices.begin(), Dices.end(), Dice.begin(), Dice.end(), |
341 | compareDiceTableEntries); |
342 | if (DTI != Dices.end()) { |
343 | uint16_t Length; |
344 | DTI->second.getLength(Length); |
345 | uint16_t Kind; |
346 | DTI->second.getKind(Kind); |
347 | InstSize = DumpDataInCode(bytes, Length, Kind); |
348 | if ((Kind == MachO::DICE_KIND_JUMP_TABLE8) && |
349 | (PC == (DTI->first + Length - 1)) && (Length & 1)) |
350 | InstSize++; |
351 | return true; |
352 | } |
353 | return false; |
354 | } |
355 | |
356 | static void printRelocationTargetName(const MachOObjectFile *O, |
357 | const MachO::any_relocation_info &RE, |
358 | raw_string_ostream &Fmt) { |
359 | |
360 | |
361 | |
362 | |
363 | const StringRef FileName = O->getFileName(); |
364 | if (O->isRelocationScattered(RE)) { |
365 | uint32_t Val = O->getPlainRelocationSymbolNum(RE); |
366 | |
367 | for (const SymbolRef &Symbol : O->symbols()) { |
368 | uint64_t Addr = unwrapOrError(Symbol.getAddress(), FileName); |
369 | if (Addr != Val) |
370 | continue; |
371 | Fmt << unwrapOrError(Symbol.getName(), FileName); |
372 | return; |
373 | } |
374 | |
375 | |
376 | |
377 | for (const SectionRef &Section : ToolSectionFilter(*O)) { |
378 | uint64_t Addr = Section.getAddress(); |
379 | if (Addr != Val) |
380 | continue; |
381 | StringRef NameOrErr = unwrapOrError(Section.getName(), O->getFileName()); |
382 | Fmt << NameOrErr; |
383 | return; |
384 | } |
385 | |
386 | Fmt << format("0x%x", Val); |
387 | return; |
388 | } |
389 | |
390 | StringRef S; |
391 | bool isExtern = O->getPlainRelocationExternal(RE); |
392 | uint64_t Val = O->getPlainRelocationSymbolNum(RE); |
393 | |
394 | if (O->getAnyRelocationType(RE) == MachO::ARM64_RELOC_ADDEND && |
395 | (O->getArch() == Triple::aarch64 || O->getArch() == Triple::aarch64_be)) { |
396 | Fmt << format("0x%0" PRIx64, Val); |
397 | return; |
398 | } |
399 | |
400 | if (isExtern) { |
401 | symbol_iterator SI = O->symbol_begin(); |
402 | std::advance(SI, Val); |
403 | S = unwrapOrError(SI->getName(), FileName); |
404 | } else { |
405 | section_iterator SI = O->section_begin(); |
406 | |
407 | if (Val == 0) { |
408 | Fmt << "0 (?,?)"; |
409 | return; |
410 | } |
411 | uint32_t I = Val - 1; |
412 | while (I != 0 && SI != O->section_end()) { |
413 | --I; |
414 | std::advance(SI, 1); |
415 | } |
416 | if (SI == O->section_end()) { |
417 | Fmt << Val << " (?,?)"; |
418 | } else { |
419 | if (Expected<StringRef> NameOrErr = SI->getName()) |
420 | S = *NameOrErr; |
421 | else |
422 | consumeError(NameOrErr.takeError()); |
423 | } |
424 | } |
425 | |
426 | Fmt << S; |
427 | } |
428 | |
429 | Error objdump::getMachORelocationValueString(const MachOObjectFile *Obj, |
430 | const RelocationRef &RelRef, |
431 | SmallVectorImpl<char> &Result) { |
432 | DataRefImpl Rel = RelRef.getRawDataRefImpl(); |
433 | MachO::any_relocation_info RE = Obj->getRelocation(Rel); |
434 | |
435 | unsigned Arch = Obj->getArch(); |
436 | |
437 | std::string FmtBuf; |
438 | raw_string_ostream Fmt(FmtBuf); |
439 | unsigned Type = Obj->getAnyRelocationType(RE); |
440 | bool IsPCRel = Obj->getAnyRelocationPCRel(RE); |
441 | |
442 | |
443 | |
444 | |
445 | |
446 | if (Arch == Triple::x86_64) { |
447 | switch (Type) { |
448 | case MachO::X86_64_RELOC_GOT_LOAD: |
449 | case MachO::X86_64_RELOC_GOT: { |
450 | printRelocationTargetName(Obj, RE, Fmt); |
451 | Fmt << "@GOT"; |
452 | if (IsPCRel) |
453 | Fmt << "PCREL"; |
454 | break; |
455 | } |
456 | case MachO::X86_64_RELOC_SUBTRACTOR: { |
457 | DataRefImpl RelNext = Rel; |
458 | Obj->moveRelocationNext(RelNext); |
459 | MachO::any_relocation_info RENext = Obj->getRelocation(RelNext); |
460 | |
461 | |
462 | |
463 | |
464 | unsigned RType = Obj->getAnyRelocationType(RENext); |
465 | if (RType != MachO::X86_64_RELOC_UNSIGNED) |
466 | reportError(Obj->getFileName(), "Expected X86_64_RELOC_UNSIGNED after " |
467 | "X86_64_RELOC_SUBTRACTOR."); |
468 | |
469 | |
470 | |
471 | printRelocationTargetName(Obj, RENext, Fmt); |
472 | Fmt << "-"; |
473 | printRelocationTargetName(Obj, RE, Fmt); |
474 | break; |
475 | } |
476 | case MachO::X86_64_RELOC_TLV: |
477 | printRelocationTargetName(Obj, RE, Fmt); |
478 | Fmt << "@TLV"; |
479 | if (IsPCRel) |
480 | Fmt << "P"; |
481 | break; |
482 | case MachO::X86_64_RELOC_SIGNED_1: |
483 | printRelocationTargetName(Obj, RE, Fmt); |
484 | Fmt << "-1"; |
485 | break; |
486 | case MachO::X86_64_RELOC_SIGNED_2: |
487 | printRelocationTargetName(Obj, RE, Fmt); |
488 | Fmt << "-2"; |
489 | break; |
490 | case MachO::X86_64_RELOC_SIGNED_4: |
491 | printRelocationTargetName(Obj, RE, Fmt); |
492 | Fmt << "-4"; |
493 | break; |
494 | default: |
495 | printRelocationTargetName(Obj, RE, Fmt); |
496 | break; |
497 | } |
498 | |
499 | } else if (Arch == Triple::x86 || Arch == Triple::arm || |
500 | Arch == Triple::ppc) { |
501 | |
502 | switch (Type) { |
503 | case MachO::GENERIC_RELOC_PAIR: |
504 | return Error::success(); |
505 | case MachO::GENERIC_RELOC_SECTDIFF: { |
506 | DataRefImpl RelNext = Rel; |
507 | Obj->moveRelocationNext(RelNext); |
508 | MachO::any_relocation_info RENext = Obj->getRelocation(RelNext); |
509 | |
510 | |
511 | |
512 | unsigned RType = Obj->getAnyRelocationType(RENext); |
513 | |
514 | if (RType != MachO::GENERIC_RELOC_PAIR) |
515 | reportError(Obj->getFileName(), "Expected GENERIC_RELOC_PAIR after " |
516 | "GENERIC_RELOC_SECTDIFF."); |
517 | |
518 | printRelocationTargetName(Obj, RE, Fmt); |
519 | Fmt << "-"; |
520 | printRelocationTargetName(Obj, RENext, Fmt); |
521 | break; |
522 | } |
523 | } |
524 | |
525 | if (Arch == Triple::x86 || Arch == Triple::ppc) { |
526 | switch (Type) { |
527 | case MachO::GENERIC_RELOC_LOCAL_SECTDIFF: { |
528 | DataRefImpl RelNext = Rel; |
529 | Obj->moveRelocationNext(RelNext); |
530 | MachO::any_relocation_info RENext = Obj->getRelocation(RelNext); |
531 | |
532 | |
533 | |
534 | unsigned RType = Obj->getAnyRelocationType(RENext); |
535 | if (RType != MachO::GENERIC_RELOC_PAIR) |
536 | reportError(Obj->getFileName(), "Expected GENERIC_RELOC_PAIR after " |
537 | "GENERIC_RELOC_LOCAL_SECTDIFF."); |
538 | |
539 | printRelocationTargetName(Obj, RE, Fmt); |
540 | Fmt << "-"; |
541 | printRelocationTargetName(Obj, RENext, Fmt); |
542 | break; |
543 | } |
544 | case MachO::GENERIC_RELOC_TLV: { |
545 | printRelocationTargetName(Obj, RE, Fmt); |
546 | Fmt << "@TLV"; |
547 | if (IsPCRel) |
548 | Fmt << "P"; |
549 | break; |
550 | } |
551 | default: |
552 | printRelocationTargetName(Obj, RE, Fmt); |
553 | } |
554 | } else { |
555 | switch (Type) { |
556 | case MachO::ARM_RELOC_HALF: |
557 | case MachO::ARM_RELOC_HALF_SECTDIFF: { |
558 | |
559 | |
560 | bool isUpper = (Obj->getAnyRelocationLength(RE) & 0x1) == 1; |
561 | |
562 | if (isUpper) |
563 | Fmt << ":upper16:("; |
564 | else |
565 | Fmt << ":lower16:("; |
566 | printRelocationTargetName(Obj, RE, Fmt); |
567 | |
568 | DataRefImpl RelNext = Rel; |
569 | Obj->moveRelocationNext(RelNext); |
570 | MachO::any_relocation_info RENext = Obj->getRelocation(RelNext); |
571 | |
572 | |
573 | |
574 | unsigned RType = Obj->getAnyRelocationType(RENext); |
575 | if (RType != MachO::ARM_RELOC_PAIR) |
576 | reportError(Obj->getFileName(), "Expected ARM_RELOC_PAIR after " |
577 | "ARM_RELOC_HALF"); |
578 | |
579 | |
580 | |
581 | |
582 | |
583 | |
584 | |
585 | |
586 | if (Type == MachO::ARM_RELOC_HALF_SECTDIFF) { |
587 | Fmt << "-"; |
588 | printRelocationTargetName(Obj, RENext, Fmt); |
589 | } |
590 | |
591 | Fmt << ")"; |
592 | break; |
593 | } |
594 | default: { |
595 | printRelocationTargetName(Obj, RE, Fmt); |
596 | } |
597 | } |
598 | } |
599 | } else |
600 | printRelocationTargetName(Obj, RE, Fmt); |
601 | |
602 | Fmt.flush(); |
603 | Result.append(FmtBuf.begin(), FmtBuf.end()); |
604 | return Error::success(); |
605 | } |
606 | |
607 | static void PrintIndirectSymbolTable(MachOObjectFile *O, bool verbose, |
608 | uint32_t n, uint32_t count, |
609 | uint32_t stride, uint64_t addr) { |
610 | MachO::dysymtab_command Dysymtab = O->getDysymtabLoadCommand(); |
611 | uint32_t nindirectsyms = Dysymtab.nindirectsyms; |
612 | if (n > nindirectsyms) |
613 | outs() << " (entries start past the end of the indirect symbol " |
614 | "table) (reserved1 field greater than the table size)"; |
615 | else if (n + count > nindirectsyms) |
616 | outs() << " (entries extends past the end of the indirect symbol " |
617 | "table)"; |
618 | outs() << "\n"; |
619 | uint32_t cputype = O->getHeader().cputype; |
620 | if (cputype & MachO::CPU_ARCH_ABI64) |
621 | outs() << "address index"; |
622 | else |
623 | outs() << "address index"; |
624 | if (verbose) |
625 | outs() << " name\n"; |
626 | else |
627 | outs() << "\n"; |
628 | for (uint32_t j = 0; j < count && n + j < nindirectsyms; j++) { |
629 | if (cputype & MachO::CPU_ARCH_ABI64) |
630 | outs() << format("0x%016" PRIx64, addr + j * stride) << " "; |
631 | else |
632 | outs() << format("0x%08" PRIx32, (uint32_t)addr + j * stride) << " "; |
633 | MachO::dysymtab_command Dysymtab = O->getDysymtabLoadCommand(); |
634 | uint32_t indirect_symbol = O->getIndirectSymbolTableEntry(Dysymtab, n + j); |
635 | if (indirect_symbol == MachO::INDIRECT_SYMBOL_LOCAL) { |
636 | outs() << "LOCAL\n"; |
637 | continue; |
638 | } |
639 | if (indirect_symbol == |
640 | (MachO::INDIRECT_SYMBOL_LOCAL | MachO::INDIRECT_SYMBOL_ABS)) { |
641 | outs() << "LOCAL ABSOLUTE\n"; |
642 | continue; |
643 | } |
644 | if (indirect_symbol == MachO::INDIRECT_SYMBOL_ABS) { |
645 | outs() << "ABSOLUTE\n"; |
646 | continue; |
647 | } |
648 | outs() << format("%5u ", indirect_symbol); |
649 | if (verbose) { |
650 | MachO::symtab_command Symtab = O->getSymtabLoadCommand(); |
651 | if (indirect_symbol < Symtab.nsyms) { |
652 | symbol_iterator Sym = O->getSymbolByIndex(indirect_symbol); |
653 | SymbolRef Symbol = *Sym; |
654 | outs() << unwrapOrError(Symbol.getName(), O->getFileName()); |
655 | } else { |
656 | outs() << "?"; |
657 | } |
658 | } |
659 | outs() << "\n"; |
660 | } |
661 | } |
662 | |
663 | static void PrintIndirectSymbols(MachOObjectFile *O, bool verbose) { |
664 | for (const auto &Load : O->load_commands()) { |
665 | if (Load.C.cmd == MachO::LC_SEGMENT_64) { |
666 | MachO::segment_command_64 Seg = O->getSegment64LoadCommand(Load); |
667 | for (unsigned J = 0; J < Seg.nsects; ++J) { |
668 | MachO::section_64 Sec = O->getSection64(Load, J); |
669 | uint32_t section_type = Sec.flags & MachO::SECTION_TYPE; |
670 | if (section_type == MachO::S_NON_LAZY_SYMBOL_POINTERS || |
671 | section_type == MachO::S_LAZY_SYMBOL_POINTERS || |
672 | section_type == MachO::S_LAZY_DYLIB_SYMBOL_POINTERS || |
673 | section_type == MachO::S_THREAD_LOCAL_VARIABLE_POINTERS || |
674 | section_type == MachO::S_SYMBOL_STUBS) { |
675 | uint32_t stride; |
676 | if (section_type == MachO::S_SYMBOL_STUBS) |
677 | stride = Sec.reserved2; |
678 | else |
679 | stride = 8; |
680 | if (stride == 0) { |
681 | outs() << "Can't print indirect symbols for (" << Sec.segname << "," |
682 | << Sec.sectname << ") " |
683 | << "(size of stubs in reserved2 field is zero)\n"; |
684 | continue; |
685 | } |
686 | uint32_t count = Sec.size / stride; |
687 | outs() << "Indirect symbols for (" << Sec.segname << "," |
688 | << Sec.sectname << ") " << count << " entries"; |
689 | uint32_t n = Sec.reserved1; |
690 | PrintIndirectSymbolTable(O, verbose, n, count, stride, Sec.addr); |
691 | } |
692 | } |
693 | } else if (Load.C.cmd == MachO::LC_SEGMENT) { |
694 | MachO::segment_command Seg = O->getSegmentLoadCommand(Load); |
695 | for (unsigned J = 0; J < Seg.nsects; ++J) { |
696 | MachO::section Sec = O->getSection(Load, J); |
697 | uint32_t section_type = Sec.flags & MachO::SECTION_TYPE; |
698 | if (section_type == MachO::S_NON_LAZY_SYMBOL_POINTERS || |
699 | section_type == MachO::S_LAZY_SYMBOL_POINTERS || |
700 | section_type == MachO::S_LAZY_DYLIB_SYMBOL_POINTERS || |
701 | section_type == MachO::S_THREAD_LOCAL_VARIABLE_POINTERS || |
702 | section_type == MachO::S_SYMBOL_STUBS) { |
703 | uint32_t stride; |
704 | if (section_type == MachO::S_SYMBOL_STUBS) |
705 | stride = Sec.reserved2; |
706 | else |
707 | stride = 4; |
708 | if (stride == 0) { |
709 | outs() << "Can't print indirect symbols for (" << Sec.segname << "," |
710 | << Sec.sectname << ") " |
711 | << "(size of stubs in reserved2 field is zero)\n"; |
712 | continue; |
713 | } |
714 | uint32_t count = Sec.size / stride; |
715 | outs() << "Indirect symbols for (" << Sec.segname << "," |
716 | << Sec.sectname << ") " << count << " entries"; |
717 | uint32_t n = Sec.reserved1; |
718 | PrintIndirectSymbolTable(O, verbose, n, count, stride, Sec.addr); |
719 | } |
720 | } |
721 | } |
722 | } |
723 | } |
724 | |
725 | static void PrintRType(const uint64_t cputype, const unsigned r_type) { |
726 | static char const *generic_r_types[] = { |
727 | "VANILLA ", "PAIR ", "SECTDIF ", "PBLAPTR ", "LOCSDIF ", "TLV ", |
728 | " 6 (?) ", " 7 (?) ", " 8 (?) ", " 9 (?) ", " 10 (?) ", " 11 (?) ", |
729 | " 12 (?) ", " 13 (?) ", " 14 (?) ", " 15 (?) " |
730 | }; |
731 | static char const *x86_64_r_types[] = { |
732 | "UNSIGND ", "SIGNED ", "BRANCH ", "GOT_LD ", "GOT ", "SUB ", |
733 | "SIGNED1 ", "SIGNED2 ", "SIGNED4 ", "TLV ", " 10 (?) ", " 11 (?) ", |
734 | " 12 (?) ", " 13 (?) ", " 14 (?) ", " 15 (?) " |
735 | }; |
736 | static char const *arm_r_types[] = { |
737 | "VANILLA ", "PAIR ", "SECTDIFF", "LOCSDIF ", "PBLAPTR ", |
738 | "BR24 ", "T_BR22 ", "T_BR32 ", "HALF ", "HALFDIF ", |
739 | " 10 (?) ", " 11 (?) ", " 12 (?) ", " 13 (?) ", " 14 (?) ", " 15 (?) " |
740 | }; |
741 | static char const *arm64_r_types[] = { |
742 | "UNSIGND ", "SUB ", "BR26 ", "PAGE21 ", "PAGOF12 ", |
743 | "GOTLDP ", "GOTLDPOF", "PTRTGOT ", "TLVLDP ", "TLVLDPOF", |
744 | "ADDEND ", " 11 (?) ", " 12 (?) ", " 13 (?) ", " 14 (?) ", " 15 (?) " |
745 | }; |
746 | |
747 | if (r_type > 0xf){ |
748 | outs() << format("%-7u", r_type) << " "; |
749 | return; |
750 | } |
751 | switch (cputype) { |
752 | case MachO::CPU_TYPE_I386: |
753 | outs() << generic_r_types[r_type]; |
754 | break; |
755 | case MachO::CPU_TYPE_X86_64: |
756 | outs() << x86_64_r_types[r_type]; |
757 | break; |
758 | case MachO::CPU_TYPE_ARM: |
759 | outs() << arm_r_types[r_type]; |
760 | break; |
761 | case MachO::CPU_TYPE_ARM64: |
762 | case MachO::CPU_TYPE_ARM64_32: |
763 | outs() << arm64_r_types[r_type]; |
764 | break; |
765 | default: |
766 | outs() << format("%-7u ", r_type); |
767 | } |
768 | } |
769 | |
770 | static void PrintRLength(const uint64_t cputype, const unsigned r_type, |
771 | const unsigned r_length, const bool previous_arm_half){ |
772 | if (cputype == MachO::CPU_TYPE_ARM && |
773 | (r_type == MachO::ARM_RELOC_HALF || |
774 | r_type == MachO::ARM_RELOC_HALF_SECTDIFF || previous_arm_half == true)) { |
775 | if ((r_length & 0x1) == 0) |
776 | outs() << "lo/"; |
777 | else |
778 | outs() << "hi/"; |
779 | if ((r_length & 0x1) == 0) |
780 | outs() << "arm "; |
781 | else |
782 | outs() << "thm "; |
783 | } else { |
784 | switch (r_length) { |
785 | case 0: |
786 | outs() << "byte "; |
787 | break; |
788 | case 1: |
789 | outs() << "word "; |
790 | break; |
791 | case 2: |
792 | outs() << "long "; |
793 | break; |
794 | case 3: |
795 | if (cputype == MachO::CPU_TYPE_X86_64) |
796 | outs() << "quad "; |
797 | else |
798 | outs() << format("?(%2d) ", r_length); |
799 | break; |
800 | default: |
801 | outs() << format("?(%2d) ", r_length); |
802 | } |
803 | } |
804 | } |
805 | |
806 | static void PrintRelocationEntries(const MachOObjectFile *O, |
807 | const relocation_iterator Begin, |
808 | const relocation_iterator End, |
809 | const uint64_t cputype, |
810 | const bool verbose) { |
811 | const MachO::symtab_command Symtab = O->getSymtabLoadCommand(); |
812 | bool previous_arm_half = false; |
813 | bool previous_sectdiff = false; |
814 | uint32_t sectdiff_r_type = 0; |
815 | |
816 | for (relocation_iterator Reloc = Begin; Reloc != End; ++Reloc) { |
817 | const DataRefImpl Rel = Reloc->getRawDataRefImpl(); |
818 | const MachO::any_relocation_info RE = O->getRelocation(Rel); |
819 | const unsigned r_type = O->getAnyRelocationType(RE); |
820 | const bool r_scattered = O->isRelocationScattered(RE); |
821 | const unsigned r_pcrel = O->getAnyRelocationPCRel(RE); |
822 | const unsigned r_length = O->getAnyRelocationLength(RE); |
823 | const unsigned r_address = O->getAnyRelocationAddress(RE); |
824 | const bool r_extern = (r_scattered ? false : |
825 | O->getPlainRelocationExternal(RE)); |
826 | const uint32_t r_value = (r_scattered ? |
827 | O->getScatteredRelocationValue(RE) : 0); |
828 | const unsigned r_symbolnum = (r_scattered ? 0 : |
829 | O->getPlainRelocationSymbolNum(RE)); |
830 | |
831 | if (r_scattered && cputype != MachO::CPU_TYPE_X86_64) { |
832 | if (verbose) { |
833 | |
834 | if ((cputype == MachO::CPU_TYPE_I386 && |
835 | r_type == MachO::GENERIC_RELOC_PAIR) || |
836 | (cputype == MachO::CPU_TYPE_ARM && r_type == MachO::ARM_RELOC_PAIR)) |
837 | outs() << " "; |
838 | else |
839 | outs() << format("%08x ", (unsigned int)r_address); |
840 | |
841 | |
842 | if (r_pcrel) |
843 | outs() << "True "; |
844 | else |
845 | outs() << "False "; |
846 | |
847 | |
848 | PrintRLength(cputype, r_type, r_length, previous_arm_half); |
849 | |
850 | |
851 | outs() << "n/a "; |
852 | PrintRType(cputype, r_type); |
853 | |
854 | |
855 | outs() << format("True 0x%08x", (unsigned int)r_value); |
856 | if (previous_sectdiff == false) { |
857 | if ((cputype == MachO::CPU_TYPE_ARM && |
858 | r_type == MachO::ARM_RELOC_PAIR)) |
859 | outs() << format(" half = 0x%04x ", (unsigned int)r_address); |
860 | } else if (cputype == MachO::CPU_TYPE_ARM && |
861 | sectdiff_r_type == MachO::ARM_RELOC_HALF_SECTDIFF) |
862 | outs() << format(" other_half = 0x%04x ", (unsigned int)r_address); |
863 | if ((cputype == MachO::CPU_TYPE_I386 && |
864 | (r_type == MachO::GENERIC_RELOC_SECTDIFF || |
865 | r_type == MachO::GENERIC_RELOC_LOCAL_SECTDIFF)) || |
866 | (cputype == MachO::CPU_TYPE_ARM && |
867 | (sectdiff_r_type == MachO::ARM_RELOC_SECTDIFF || |
868 | sectdiff_r_type == MachO::ARM_RELOC_LOCAL_SECTDIFF || |
869 | sectdiff_r_type == MachO::ARM_RELOC_HALF_SECTDIFF))) { |
870 | previous_sectdiff = true; |
871 | sectdiff_r_type = r_type; |
872 | } else { |
873 | previous_sectdiff = false; |
874 | sectdiff_r_type = 0; |
875 | } |
876 | if (cputype == MachO::CPU_TYPE_ARM && |
877 | (r_type == MachO::ARM_RELOC_HALF || |
878 | r_type == MachO::ARM_RELOC_HALF_SECTDIFF)) |
879 | previous_arm_half = true; |
880 | else |
881 | previous_arm_half = false; |
882 | outs() << "\n"; |
883 | } |
884 | else { |
885 | |
886 | outs() << format("%08x %1d %-2d n/a %-7d 1 0x%08x\n", |
887 | (unsigned int)r_address, r_pcrel, r_length, r_type, |
888 | (unsigned int)r_value); |
889 | } |
890 | } |
891 | else { |
892 | if (verbose) { |
893 | |
894 | if (cputype == MachO::CPU_TYPE_ARM && r_type == MachO::ARM_RELOC_PAIR) |
895 | outs() << " "; |
896 | else |
897 | outs() << format("%08x ", (unsigned int)r_address); |
898 | |
899 | |
900 | if (r_pcrel) |
901 | outs() << "True "; |
902 | else |
903 | outs() << "False "; |
904 | |
905 | |
906 | PrintRLength(cputype, r_type, r_length, previous_arm_half); |
907 | |
908 | if (r_extern) { |
909 | |
910 | outs() << "True "; |
911 | PrintRType(cputype, r_type); |
912 | outs() << "False "; |
913 | |
914 | |
915 | if (r_symbolnum > Symtab.nsyms) |
916 | outs() << format("?(%d)\n", r_symbolnum); |
917 | else { |
918 | SymbolRef Symbol = *O->getSymbolByIndex(r_symbolnum); |
919 | Expected<StringRef> SymNameNext = Symbol.getName(); |
920 | const char *name = NULL; |
921 | if (SymNameNext) |
922 | name = SymNameNext->data(); |
923 | if (name == NULL) |
924 | outs() << format("?(%d)\n", r_symbolnum); |
925 | else |
926 | outs() << name << "\n"; |
927 | } |
928 | } |
929 | else { |
930 | |
931 | outs() << "False "; |
932 | PrintRType(cputype, r_type); |
933 | outs() << "False "; |
934 | |
935 | |
936 | if (cputype == MachO::CPU_TYPE_ARM && r_type == MachO::ARM_RELOC_PAIR) |
937 | outs() << format("other_half = 0x%04x\n", (unsigned int)r_address); |
938 | else if ((cputype == MachO::CPU_TYPE_ARM64 || |
939 | cputype == MachO::CPU_TYPE_ARM64_32) && |
940 | r_type == MachO::ARM64_RELOC_ADDEND) |
941 | outs() << format("addend = 0x%06x\n", (unsigned int)r_symbolnum); |
942 | else { |
943 | outs() << format("%d ", r_symbolnum); |
944 | if (r_symbolnum == MachO::R_ABS) |
945 | outs() << "R_ABS\n"; |
946 | else { |
947 | |
948 | uint32_t nsects = O->section_end()->getRawDataRefImpl().d.a; |
949 | if (r_symbolnum > 0 && r_symbolnum <= nsects) { |
950 | object::DataRefImpl DRI; |
951 | DRI.d.a = r_symbolnum-1; |
952 | StringRef SegName = O->getSectionFinalSegmentName(DRI); |
953 | if (Expected<StringRef> NameOrErr = O->getSectionName(DRI)) |
954 | outs() << "(" << SegName << "," << *NameOrErr << ")\n"; |
955 | else |
956 | outs() << "(?,?)\n"; |
957 | } |
958 | else { |
959 | outs() << "(?,?)\n"; |
960 | } |
961 | } |
962 | } |
963 | } |
964 | if (cputype == MachO::CPU_TYPE_ARM && |
965 | (r_type == MachO::ARM_RELOC_HALF || |
966 | r_type == MachO::ARM_RELOC_HALF_SECTDIFF)) |
967 | previous_arm_half = true; |
968 | else |
969 | previous_arm_half = false; |
970 | } |
971 | else { |
972 | |
973 | outs() << format("%08x %1d %-2d %1d %-7d 0 %d\n", |
974 | (unsigned int)r_address, r_pcrel, r_length, r_extern, |
975 | r_type, r_symbolnum); |
976 | } |
977 | } |
978 | } |
979 | } |
980 | |
981 | static void PrintRelocations(const MachOObjectFile *O, const bool verbose) { |
982 | const uint64_t cputype = O->getHeader().cputype; |
983 | const MachO::dysymtab_command Dysymtab = O->getDysymtabLoadCommand(); |
984 | if (Dysymtab.nextrel != 0) { |
985 | outs() << "External relocation information " << Dysymtab.nextrel |
986 | << " entries"; |
987 | outs() << "\naddress pcrel length extern type scattered " |
988 | "symbolnum/value\n"; |
989 | PrintRelocationEntries(O, O->extrel_begin(), O->extrel_end(), cputype, |
990 | verbose); |
991 | } |
992 | if (Dysymtab.nlocrel != 0) { |
993 | outs() << format("Local relocation information %u entries", |
994 | Dysymtab.nlocrel); |
995 | outs() << "\naddress pcrel length extern type scattered " |
996 | "symbolnum/value\n"; |
997 | PrintRelocationEntries(O, O->locrel_begin(), O->locrel_end(), cputype, |
998 | verbose); |
999 | } |
1000 | for (const auto &Load : O->load_commands()) { |
1001 | if (Load.C.cmd == MachO::LC_SEGMENT_64) { |
1002 | const MachO::segment_command_64 Seg = O->getSegment64LoadCommand(Load); |
1003 | for (unsigned J = 0; J < Seg.nsects; ++J) { |
1004 | const MachO::section_64 Sec = O->getSection64(Load, J); |
1005 | if (Sec.nreloc != 0) { |
1006 | DataRefImpl DRI; |
1007 | DRI.d.a = J; |
1008 | const StringRef SegName = O->getSectionFinalSegmentName(DRI); |
1009 | if (Expected<StringRef> NameOrErr = O->getSectionName(DRI)) |
1010 | outs() << "Relocation information (" << SegName << "," << *NameOrErr |
1011 | << format(") %u entries", Sec.nreloc); |
1012 | else |
1013 | outs() << "Relocation information (" << SegName << ",?) " |
1014 | << format("%u entries", Sec.nreloc); |
1015 | outs() << "\naddress pcrel length extern type scattered " |
1016 | "symbolnum/value\n"; |
1017 | PrintRelocationEntries(O, O->section_rel_begin(DRI), |
1018 | O->section_rel_end(DRI), cputype, verbose); |
1019 | } |
1020 | } |
1021 | } else if (Load.C.cmd == MachO::LC_SEGMENT) { |
1022 | const MachO::segment_command Seg = O->getSegmentLoadCommand(Load); |
1023 | for (unsigned J = 0; J < Seg.nsects; ++J) { |
1024 | const MachO::section Sec = O->getSection(Load, J); |
1025 | if (Sec.nreloc != 0) { |
1026 | DataRefImpl DRI; |
1027 | DRI.d.a = J; |
1028 | const StringRef SegName = O->getSectionFinalSegmentName(DRI); |
1029 | if (Expected<StringRef> NameOrErr = O->getSectionName(DRI)) |
1030 | outs() << "Relocation information (" << SegName << "," << *NameOrErr |
1031 | << format(") %u entries", Sec.nreloc); |
1032 | else |
1033 | outs() << "Relocation information (" << SegName << ",?) " |
1034 | << format("%u entries", Sec.nreloc); |
1035 | outs() << "\naddress pcrel length extern type scattered " |
1036 | "symbolnum/value\n"; |
1037 | PrintRelocationEntries(O, O->section_rel_begin(DRI), |
1038 | O->section_rel_end(DRI), cputype, verbose); |
1039 | } |
1040 | } |
1041 | } |
1042 | } |
1043 | } |
1044 | |
1045 | static void PrintFunctionStarts(MachOObjectFile *O) { |
1046 | uint64_t BaseSegmentAddress = 0; |
1047 | for (const MachOObjectFile::LoadCommandInfo &Command : O->load_commands()) { |
1048 | if (Command.C.cmd == MachO::LC_SEGMENT) { |
1049 | MachO::segment_command SLC = O->getSegmentLoadCommand(Command); |
1050 | if (StringRef(SLC.segname) == "__TEXT") { |
1051 | BaseSegmentAddress = SLC.vmaddr; |
1052 | break; |
1053 | } |
1054 | } else if (Command.C.cmd == MachO::LC_SEGMENT_64) { |
1055 | MachO::segment_command_64 SLC = O->getSegment64LoadCommand(Command); |
1056 | if (StringRef(SLC.segname) == "__TEXT") { |
1057 | BaseSegmentAddress = SLC.vmaddr; |
1058 | break; |
1059 | } |
1060 | } |
1061 | } |
1062 | |
1063 | SmallVector<uint64_t, 8> FunctionStarts; |
1064 | for (const MachOObjectFile::LoadCommandInfo &LC : O->load_commands()) { |
1065 | if (LC.C.cmd == MachO::LC_FUNCTION_STARTS) { |
1066 | MachO::linkedit_data_command FunctionStartsLC = |
1067 | O->getLinkeditDataLoadCommand(LC); |
1068 | O->ReadULEB128s(FunctionStartsLC.dataoff, FunctionStarts); |
1069 | break; |
1070 | } |
1071 | } |
1072 | |
1073 | for (uint64_t S : FunctionStarts) { |
1074 | uint64_t Addr = BaseSegmentAddress + S; |
1075 | if (O->is64Bit()) |
1076 | outs() << format("%016" PRIx64, Addr) << "\n"; |
1077 | else |
1078 | outs() << format("%08" PRIx32, static_cast<uint32_t>(Addr)) << "\n"; |
1079 | } |
1080 | } |
1081 | |
1082 | static void PrintDataInCodeTable(MachOObjectFile *O, bool verbose) { |
1083 | MachO::linkedit_data_command DIC = O->getDataInCodeLoadCommand(); |
1084 | uint32_t nentries = DIC.datasize / sizeof(struct MachO::data_in_code_entry); |
1085 | outs() << "Data in code table (" << nentries << " entries)\n"; |
1086 | outs() << "offset length kind\n"; |
1087 | for (dice_iterator DI = O->begin_dices(), DE = O->end_dices(); DI != DE; |
1088 | ++DI) { |
1089 | uint32_t Offset; |
1090 | DI->getOffset(Offset); |
1091 | outs() << format("0x%08" PRIx32, Offset) << " "; |
1092 | uint16_t Length; |
1093 | DI->getLength(Length); |
1094 | outs() << format("%6u", Length) << " "; |
1095 | uint16_t Kind; |
1096 | DI->getKind(Kind); |
1097 | if (verbose) { |
1098 | switch (Kind) { |
1099 | case MachO::DICE_KIND_DATA: |
1100 | outs() << "DATA"; |
1101 | break; |
1102 | case MachO::DICE_KIND_JUMP_TABLE8: |
1103 | outs() << "JUMP_TABLE8"; |
1104 | break; |
1105 | case MachO::DICE_KIND_JUMP_TABLE16: |
1106 | outs() << "JUMP_TABLE16"; |
1107 | break; |
1108 | case MachO::DICE_KIND_JUMP_TABLE32: |
1109 | outs() << "JUMP_TABLE32"; |
1110 | break; |
1111 | case MachO::DICE_KIND_ABS_JUMP_TABLE32: |
1112 | outs() << "ABS_JUMP_TABLE32"; |
1113 | break; |
1114 | default: |
1115 | outs() << format("0x%04" PRIx32, Kind); |
1116 | break; |
1117 | } |
1118 | } else |
1119 | outs() << format("0x%04" PRIx32, Kind); |
1120 | outs() << "\n"; |
1121 | } |
1122 | } |
1123 | |
1124 | static void PrintLinkOptHints(MachOObjectFile *O) { |
1125 | MachO::linkedit_data_command LohLC = O->getLinkOptHintsLoadCommand(); |
1126 | const char *loh = O->getData().substr(LohLC.dataoff, 1).data(); |
1127 | uint32_t nloh = LohLC.datasize; |
1128 | outs() << "Linker optimiztion hints (" << nloh << " total bytes)\n"; |
1129 | for (uint32_t i = 0; i < nloh;) { |
1130 | unsigned n; |
1131 | uint64_t identifier = decodeULEB128((const uint8_t *)(loh + i), &n); |
1132 | i += n; |
1133 | outs() << " identifier " << identifier << " "; |
1134 | if (i >= nloh) |
1135 | return; |
1136 | switch (identifier) { |
1137 | case 1: |
1138 | outs() << "AdrpAdrp\n"; |
1139 | break; |
1140 | case 2: |
1141 | outs() << "AdrpLdr\n"; |
1142 | break; |
1143 | case 3: |
1144 | outs() << "AdrpAddLdr\n"; |
1145 | break; |
1146 | case 4: |
1147 | outs() << "AdrpLdrGotLdr\n"; |
1148 | break; |
1149 | case 5: |
1150 | outs() << "AdrpAddStr\n"; |
1151 | break; |
1152 | case 6: |
1153 | outs() << "AdrpLdrGotStr\n"; |
1154 | break; |
1155 | case 7: |
1156 | outs() << "AdrpAdd\n"; |
1157 | break; |
1158 | case 8: |
1159 | outs() << "AdrpLdrGot\n"; |
1160 | break; |
1161 | default: |
1162 | outs() << "Unknown identifier value\n"; |
1163 | break; |
1164 | } |
1165 | uint64_t narguments = decodeULEB128((const uint8_t *)(loh + i), &n); |
1166 | i += n; |
1167 | outs() << " narguments " << narguments << "\n"; |
1168 | if (i >= nloh) |
1169 | return; |
1170 | |
1171 | for (uint32_t j = 0; j < narguments; j++) { |
1172 | uint64_t value = decodeULEB128((const uint8_t *)(loh + i), &n); |
1173 | i += n; |
1174 | outs() << "\tvalue " << format("0x%" PRIx64, value) << "\n"; |
1175 | if (i >= nloh) |
1176 | return; |
1177 | } |
1178 | } |
1179 | } |
1180 | |
1181 | static void PrintDylibs(MachOObjectFile *O, bool JustId) { |
1182 | unsigned Index = 0; |
1183 | for (const auto &Load : O->load_commands()) { |
1184 | if ((JustId && Load.C.cmd == MachO::LC_ID_DYLIB) || |
1185 | (!JustId && (Load.C.cmd == MachO::LC_ID_DYLIB || |
1186 | Load.C.cmd == MachO::LC_LOAD_DYLIB || |
1187 | Load.C.cmd == MachO::LC_LOAD_WEAK_DYLIB || |
1188 | Load.C.cmd == MachO::LC_REEXPORT_DYLIB || |
1189 | Load.C.cmd == MachO::LC_LAZY_LOAD_DYLIB || |
1190 | Load.C.cmd == MachO::LC_LOAD_UPWARD_DYLIB))) { |
1191 | MachO::dylib_command dl = O->getDylibIDLoadCommand(Load); |
1192 | if (dl.dylib.name < dl.cmdsize) { |
1193 | const char *p = (const char *)(Load.Ptr) + dl.dylib.name; |
1194 | if (JustId) |
1195 | outs() << p << "\n"; |
1196 | else { |
1197 | outs() << "\t" << p; |
1198 | outs() << " (compatibility version " |
1199 | << ((dl.dylib.compatibility_version >> 16) & 0xffff) << "." |
1200 | << ((dl.dylib.compatibility_version >> 8) & 0xff) << "." |
1201 | << (dl.dylib.compatibility_version & 0xff) << ","; |
1202 | outs() << " current version " |
1203 | << ((dl.dylib.current_version >> 16) & 0xffff) << "." |
1204 | << ((dl.dylib.current_version >> 8) & 0xff) << "." |
1205 | << (dl.dylib.current_version & 0xff); |
1206 | if (Load.C.cmd == MachO::LC_LOAD_WEAK_DYLIB) |
1207 | outs() << ", weak"; |
1208 | if (Load.C.cmd == MachO::LC_REEXPORT_DYLIB) |
1209 | outs() << ", reexport"; |
1210 | if (Load.C.cmd == MachO::LC_LOAD_UPWARD_DYLIB) |
1211 | outs() << ", upward"; |
1212 | if (Load.C.cmd == MachO::LC_LAZY_LOAD_DYLIB) |
1213 | outs() << ", lazy"; |
1214 | outs() << ")\n"; |
1215 | } |
1216 | } else { |
1217 | outs() << "\tBad offset (" << dl.dylib.name << ") for name of "; |
1218 | if (Load.C.cmd == MachO::LC_ID_DYLIB) |
1219 | outs() << "LC_ID_DYLIB "; |
1220 | else if (Load.C.cmd == MachO::LC_LOAD_DYLIB) |
1221 | outs() << "LC_LOAD_DYLIB "; |
1222 | else if (Load.C.cmd == MachO::LC_LOAD_WEAK_DYLIB) |
1223 | outs() << "LC_LOAD_WEAK_DYLIB "; |
1224 | else if (Load.C.cmd == MachO::LC_LAZY_LOAD_DYLIB) |
1225 | outs() << "LC_LAZY_LOAD_DYLIB "; |
1226 | else if (Load.C.cmd == MachO::LC_REEXPORT_DYLIB) |
1227 | outs() << "LC_REEXPORT_DYLIB "; |
1228 | else if (Load.C.cmd == MachO::LC_LOAD_UPWARD_DYLIB) |
1229 | outs() << "LC_LOAD_UPWARD_DYLIB "; |
1230 | else |
1231 | outs() << "LC_??? "; |
1232 | outs() << "command " << Index++ << "\n"; |
1233 | } |
1234 | } |
1235 | } |
1236 | } |
1237 | |
1238 | static void printRpaths(MachOObjectFile *O) { |
1239 | for (const auto &Command : O->load_commands()) { |
1240 | if (Command.C.cmd == MachO::LC_RPATH) { |
1241 | auto Rpath = O->getRpathCommand(Command); |
1242 | const char *P = (const char *)(Command.Ptr) + Rpath.path; |
1243 | outs() << P << "\n"; |
1244 | } |
1245 | } |
1246 | } |
1247 | |
1248 | typedef DenseMap<uint64_t, StringRef> SymbolAddressMap; |
1249 | |
1250 | static void CreateSymbolAddressMap(MachOObjectFile *O, |
1251 | SymbolAddressMap *AddrMap) { |
1252 | |
1253 | const StringRef FileName = O->getFileName(); |
1254 | for (const SymbolRef &Symbol : O->symbols()) { |
1255 | SymbolRef::Type ST = unwrapOrError(Symbol.getType(), FileName); |
1256 | if (ST == SymbolRef::ST_Function || ST == SymbolRef::ST_Data || |
1257 | ST == SymbolRef::ST_Other) { |
1258 | uint64_t Address = cantFail(Symbol.getValue()); |
1259 | StringRef SymName = unwrapOrError(Symbol.getName(), FileName); |
1260 | if (!SymName.startswith(".objc")) |
1261 | (*AddrMap)[Address] = SymName; |
1262 | } |
1263 | } |
1264 | } |
1265 | |
1266 | |
1267 | |
1268 | |
1269 | static const char *GuessSymbolName(uint64_t value, SymbolAddressMap *AddrMap) { |
1270 | const char *SymbolName = nullptr; |
1271 | |
1272 | if (value != 0xffffffffffffffffULL && value != 0xfffffffffffffffeULL) { |
1273 | StringRef name = AddrMap->lookup(value); |
1274 | if (!name.empty()) |
1275 | SymbolName = name.data(); |
1276 | } |
1277 | return SymbolName; |
1278 | } |
1279 | |
1280 | static void DumpCstringChar(const char c) { |
1281 | char p[2]; |
1282 | p[0] = c; |
1283 | p[1] = '\0'; |
1284 | outs().write_escaped(p); |
1285 | } |
1286 | |
1287 | static void DumpCstringSection(MachOObjectFile *O, const char *sect, |
1288 | uint32_t sect_size, uint64_t sect_addr, |
1289 | bool print_addresses) { |
1290 | for (uint32_t i = 0; i < sect_size; i++) { |
1291 | if (print_addresses) { |
1292 | if (O->is64Bit()) |
1293 | outs() << format("%016" PRIx64, sect_addr + i) << " "; |
1294 | else |
1295 | outs() << format("%08" PRIx64, sect_addr + i) << " "; |
1296 | } |
1297 | for (; i < sect_size && sect[i] != '\0'; i++) |
1298 | DumpCstringChar(sect[i]); |
1299 | if (i < sect_size && sect[i] == '\0') |
1300 | outs() << "\n"; |
1301 | } |
1302 | } |
1303 | |
1304 | static void DumpLiteral4(uint32_t l, float f) { |
1305 | outs() << format("0x%08" PRIx32, l); |
1306 | if ((l & 0x7f800000) != 0x7f800000) |
1307 | outs() << format(" (%.16e)\n", f); |
1308 | else { |
1309 | if (l == 0x7f800000) |
1310 | outs() << " (+Infinity)\n"; |
1311 | else if (l == 0xff800000) |
1312 | outs() << " (-Infinity)\n"; |
1313 | else if ((l & 0x00400000) == 0x00400000) |
1314 | outs() << " (non-signaling Not-a-Number)\n"; |
1315 | else |
1316 | outs() << " (signaling Not-a-Number)\n"; |
1317 | } |
1318 | } |
1319 | |
1320 | static void DumpLiteral4Section(MachOObjectFile *O, const char *sect, |
1321 | uint32_t sect_size, uint64_t sect_addr, |
1322 | bool print_addresses) { |
1323 | for (uint32_t i = 0; i < sect_size; i += sizeof(float)) { |
1324 | if (print_addresses) { |
1325 | if (O->is64Bit()) |
1326 | outs() << format("%016" PRIx64, sect_addr + i) << " "; |
1327 | else |
1328 | outs() << format("%08" PRIx64, sect_addr + i) << " "; |
1329 | } |
1330 | float f; |
1331 | memcpy(&f, sect + i, sizeof(float)); |
1332 | if (O->isLittleEndian() != sys::IsLittleEndianHost) |
1333 | sys::swapByteOrder(f); |
1334 | uint32_t l; |
1335 | memcpy(&l, sect + i, sizeof(uint32_t)); |
1336 | if (O->isLittleEndian() != sys::IsLittleEndianHost) |
1337 | sys::swapByteOrder(l); |
1338 | DumpLiteral4(l, f); |
1339 | } |
1340 | } |
1341 | |
1342 | static void DumpLiteral8(MachOObjectFile *O, uint32_t l0, uint32_t l1, |
1343 | double d) { |
1344 | outs() << format("0x%08" PRIx32, l0) << " " << format("0x%08" PRIx32, l1); |
1345 | uint32_t Hi, Lo; |
1346 | Hi = (O->isLittleEndian()) ? l1 : l0; |
1347 | Lo = (O->isLittleEndian()) ? l0 : l1; |
1348 | |
1349 | |
1350 | if ((Hi & 0x7ff00000) != 0x7ff00000) |
1351 | outs() << format(" (%.16e)\n", d); |
1352 | else { |
1353 | if (Hi == 0x7ff00000 && Lo == 0) |
1354 | outs() << " (+Infinity)\n"; |
1355 | else if (Hi == 0xfff00000 && Lo == 0) |
1356 | outs() << " (-Infinity)\n"; |
1357 | else if ((Hi & 0x00080000) == 0x00080000) |
1358 | outs() << " (non-signaling Not-a-Number)\n"; |
1359 | else |
1360 | outs() << " (signaling Not-a-Number)\n"; |
1361 | } |
1362 | } |
1363 | |
1364 | static void DumpLiteral8Section(MachOObjectFile *O, const char *sect, |
1365 | uint32_t sect_size, uint64_t sect_addr, |
1366 | bool print_addresses) { |
1367 | for (uint32_t i = 0; i < sect_size; i += sizeof(double)) { |
1368 | if (print_addresses) { |
1369 | if (O->is64Bit()) |
1370 | outs() << format("%016" PRIx64, sect_addr + i) << " "; |
1371 | else |
1372 | outs() << format("%08" PRIx64, sect_addr + i) << " "; |
1373 | } |
1374 | double d; |
1375 | memcpy(&d, sect + i, sizeof(double)); |
1376 | if (O->isLittleEndian() != sys::IsLittleEndianHost) |
1377 | sys::swapByteOrder(d); |
1378 | uint32_t l0, l1; |
1379 | memcpy(&l0, sect + i, sizeof(uint32_t)); |
1380 | memcpy(&l1, sect + i + sizeof(uint32_t), sizeof(uint32_t)); |
1381 | if (O->isLittleEndian() != sys::IsLittleEndianHost) { |
1382 | sys::swapByteOrder(l0); |
1383 | sys::swapByteOrder(l1); |
1384 | } |
1385 | DumpLiteral8(O, l0, l1, d); |
1386 | } |
1387 | } |
1388 | |
1389 | static void DumpLiteral16(uint32_t l0, uint32_t l1, uint32_t l2, uint32_t l3) { |
1390 | outs() << format("0x%08" PRIx32, l0) << " "; |
1391 | outs() << format("0x%08" PRIx32, l1) << " "; |
1392 | outs() << format("0x%08" PRIx32, l2) << " "; |
1393 | outs() << format("0x%08" PRIx32, l3) << "\n"; |
1394 | } |
1395 | |
1396 | static void DumpLiteral16Section(MachOObjectFile *O, const char *sect, |
1397 | uint32_t sect_size, uint64_t sect_addr, |
1398 | bool print_addresses) { |
1399 | for (uint32_t i = 0; i < sect_size; i += 16) { |
1400 | if (print_addresses) { |
1401 | if (O->is64Bit()) |
1402 | outs() << format("%016" PRIx64, sect_addr + i) << " "; |
1403 | else |
1404 | outs() << format("%08" PRIx64, sect_addr + i) << " "; |
1405 | } |
1406 | uint32_t l0, l1, l2, l3; |
1407 | memcpy(&l0, sect + i, sizeof(uint32_t)); |
1408 | memcpy(&l1, sect + i + sizeof(uint32_t), sizeof(uint32_t)); |
1409 | memcpy(&l2, sect + i + 2 * sizeof(uint32_t), sizeof(uint32_t)); |
1410 | memcpy(&l3, sect + i + 3 * sizeof(uint32_t), sizeof(uint32_t)); |
1411 | if (O->isLittleEndian() != sys::IsLittleEndianHost) { |
1412 | sys::swapByteOrder(l0); |
1413 | sys::swapByteOrder(l1); |
1414 | sys::swapByteOrder(l2); |
1415 | sys::swapByteOrder(l3); |
1416 | } |
1417 | DumpLiteral16(l0, l1, l2, l3); |
1418 | } |
1419 | } |
1420 | |
1421 | static void DumpLiteralPointerSection(MachOObjectFile *O, |
1422 | const SectionRef &Section, |
1423 | const char *sect, uint32_t sect_size, |
1424 | uint64_t sect_addr, |
1425 | bool print_addresses) { |
1426 | |
1427 | std::vector<SectionRef> LiteralSections; |
1428 | for (const SectionRef &Section : O->sections()) { |
1429 | DataRefImpl Ref = Section.getRawDataRefImpl(); |
1430 | uint32_t section_type; |
1431 | if (O->is64Bit()) { |
1432 | const MachO::section_64 Sec = O->getSection64(Ref); |
1433 | section_type = Sec.flags & MachO::SECTION_TYPE; |
1434 | } else { |
1435 | const MachO::section Sec = O->getSection(Ref); |
1436 | section_type = Sec.flags & MachO::SECTION_TYPE; |
1437 | } |
1438 | if (section_type == MachO::S_CSTRING_LITERALS || |
1439 | section_type == MachO::S_4BYTE_LITERALS || |
1440 | section_type == MachO::S_8BYTE_LITERALS || |
1441 | section_type == MachO::S_16BYTE_LITERALS) |
1442 | LiteralSections.push_back(Section); |
1443 | } |
1444 | |
1445 | |
1446 | uint32_t lp_size = O->is64Bit() ? 8 : 4; |
1447 | |
1448 | |
1449 | std::vector<std::pair<uint64_t, SymbolRef>> Relocs; |
1450 | for (const RelocationRef &Reloc : Section.relocations()) { |
1451 | DataRefImpl Rel; |
1452 | MachO::any_relocation_info RE; |
1453 | bool isExtern = false; |
1454 | Rel = Reloc.getRawDataRefImpl(); |
1455 | RE = O->getRelocation(Rel); |
1456 | isExtern = O->getPlainRelocationExternal(RE); |
1457 | if (isExtern) { |
1458 | uint64_t RelocOffset = Reloc.getOffset(); |
1459 | symbol_iterator RelocSym = Reloc.getSymbol(); |
1460 | Relocs.push_back(std::make_pair(RelocOffset, *RelocSym)); |
1461 | } |
1462 | } |
1463 | array_pod_sort(Relocs.begin(), Relocs.end()); |
1464 | |
1465 | |
1466 | for (uint32_t i = 0; i < sect_size; i += lp_size) { |
1467 | if (print_addresses) { |
1468 | if (O->is64Bit()) |
1469 | outs() << format("%016" PRIx64, sect_addr + i) << " "; |
1470 | else |
1471 | outs() << format("%08" PRIx64, sect_addr + i) << " "; |
1472 | } |
1473 | uint64_t lp; |
1474 | if (O->is64Bit()) { |
1475 | memcpy(&lp, sect + i, sizeof(uint64_t)); |
1476 | if (O->isLittleEndian() != sys::IsLittleEndianHost) |
1477 | sys::swapByteOrder(lp); |
1478 | } else { |
1479 | uint32_t li; |
1480 | memcpy(&li, sect + i, sizeof(uint32_t)); |
1481 | if (O->isLittleEndian() != sys::IsLittleEndianHost) |
1482 | sys::swapByteOrder(li); |
1483 | lp = li; |
1484 | } |
1485 | |
1486 | |
1487 | auto Reloc = find_if(Relocs, [&](const std::pair<uint64_t, SymbolRef> &P) { |
1488 | return P.first == i; |
1489 | }); |
1490 | if (Reloc != Relocs.end()) { |
1491 | symbol_iterator RelocSym = Reloc->second; |
1492 | StringRef SymName = unwrapOrError(RelocSym->getName(), O->getFileName()); |
1493 | outs() << "external relocation entry for symbol:" << SymName << "\n"; |
1494 | continue; |
1495 | } |
1496 | |
1497 | |
1498 | auto Sect = find_if(LiteralSections, [&](const SectionRef &R) { |
1499 | return lp >= R.getAddress() && lp < R.getAddress() + R.getSize(); |
1500 | }); |
1501 | if (Sect == LiteralSections.end()) { |
1502 | outs() << format("0x%" PRIx64, lp) << " (not in a literal section)\n"; |
1503 | continue; |
1504 | } |
1505 | |
1506 | uint64_t SectAddress = Sect->getAddress(); |
1507 | uint64_t SectSize = Sect->getSize(); |
1508 | |
1509 | StringRef SectName; |
1510 | Expected<StringRef> SectNameOrErr = Sect->getName(); |
1511 | if (SectNameOrErr) |
1512 | SectName = *SectNameOrErr; |
1513 | else |
1514 | consumeError(SectNameOrErr.takeError()); |
1515 | |
1516 | DataRefImpl Ref = Sect->getRawDataRefImpl(); |
1517 | StringRef SegmentName = O->getSectionFinalSegmentName(Ref); |
1518 | outs() << SegmentName << ":" << SectName << ":"; |
1519 | |
1520 | uint32_t section_type; |
1521 | if (O->is64Bit()) { |
1522 | const MachO::section_64 Sec = O->getSection64(Ref); |
1523 | section_type = Sec.flags & MachO::SECTION_TYPE; |
1524 | } else { |
1525 | const MachO::section Sec = O->getSection(Ref); |
1526 | section_type = Sec.flags & MachO::SECTION_TYPE; |
1527 | } |
1528 | |
1529 | StringRef BytesStr = unwrapOrError(Sect->getContents(), O->getFileName()); |
1530 | |
1531 | const char *Contents = reinterpret_cast<const char *>(BytesStr.data()); |
1532 | |
1533 | switch (section_type) { |
1534 | case MachO::S_CSTRING_LITERALS: |
1535 | for (uint64_t i = lp - SectAddress; i < SectSize && Contents[i] != '\0'; |
1536 | i++) { |
1537 | DumpCstringChar(Contents[i]); |
1538 | } |
1539 | outs() << "\n"; |
1540 | break; |
1541 | case MachO::S_4BYTE_LITERALS: |
1542 | float f; |
1543 | memcpy(&f, Contents + (lp - SectAddress), sizeof(float)); |
1544 | uint32_t l; |
1545 | memcpy(&l, Contents + (lp - SectAddress), sizeof(uint32_t)); |
1546 | if (O->isLittleEndian() != sys::IsLittleEndianHost) { |
1547 | sys::swapByteOrder(f); |
1548 | sys::swapByteOrder(l); |
1549 | } |
1550 | DumpLiteral4(l, f); |
1551 | break; |
1552 | case MachO::S_8BYTE_LITERALS: { |
1553 | double d; |
1554 | memcpy(&d, Contents + (lp - SectAddress), sizeof(double)); |
1555 | uint32_t l0, l1; |
1556 | memcpy(&l0, Contents + (lp - SectAddress), sizeof(uint32_t)); |
1557 | memcpy(&l1, Contents + (lp - SectAddress) + sizeof(uint32_t), |
1558 | sizeof(uint32_t)); |
1559 | if (O->isLittleEndian() != sys::IsLittleEndianHost) { |
1560 | sys::swapByteOrder(f); |
1561 | sys::swapByteOrder(l0); |
1562 | sys::swapByteOrder(l1); |
1563 | } |
1564 | DumpLiteral8(O, l0, l1, d); |
1565 | break; |
1566 | } |
1567 | case MachO::S_16BYTE_LITERALS: { |
1568 | uint32_t l0, l1, l2, l3; |
1569 | memcpy(&l0, Contents + (lp - SectAddress), sizeof(uint32_t)); |
1570 | memcpy(&l1, Contents + (lp - SectAddress) + sizeof(uint32_t), |
1571 | sizeof(uint32_t)); |
1572 | memcpy(&l2, Contents + (lp - SectAddress) + 2 * sizeof(uint32_t), |
1573 | sizeof(uint32_t)); |
1574 | memcpy(&l3, Contents + (lp - SectAddress) + 3 * sizeof(uint32_t), |
1575 | sizeof(uint32_t)); |
1576 | if (O->isLittleEndian() != sys::IsLittleEndianHost) { |
1577 | sys::swapByteOrder(l0); |
1578 | sys::swapByteOrder(l1); |
1579 | sys::swapByteOrder(l2); |
1580 | sys::swapByteOrder(l3); |
1581 | } |
1582 | DumpLiteral16(l0, l1, l2, l3); |
1583 | break; |
1584 | } |
1585 | } |
1586 | } |
1587 | } |
1588 | |
1589 | static void DumpInitTermPointerSection(MachOObjectFile *O, |
1590 | const SectionRef &Section, |
1591 | const char *sect, |
1592 | uint32_t sect_size, uint64_t sect_addr, |
1593 | SymbolAddressMap *AddrMap, |
1594 | bool verbose) { |
1595 | uint32_t stride; |
1596 | stride = (O->is64Bit()) ? sizeof(uint64_t) : sizeof(uint32_t); |
1597 | |
1598 | |
1599 | std::vector<std::pair<uint64_t, SymbolRef>> Relocs; |
1600 | for (const RelocationRef &Reloc : Section.relocations()) { |
1601 | DataRefImpl Rel; |
1602 | MachO::any_relocation_info RE; |
1603 | bool isExtern = false; |
1604 | Rel = Reloc.getRawDataRefImpl(); |
1605 | RE = O->getRelocation(Rel); |
1606 | isExtern = O->getPlainRelocationExternal(RE); |
1607 | if (isExtern) { |
1608 | uint64_t RelocOffset = Reloc.getOffset(); |
1609 | symbol_iterator RelocSym = Reloc.getSymbol(); |
1610 | Relocs.push_back(std::make_pair(RelocOffset, *RelocSym)); |
1611 | } |
1612 | } |
1613 | array_pod_sort(Relocs.begin(), Relocs.end()); |
1614 | |
1615 | for (uint32_t i = 0; i < sect_size; i += stride) { |
1616 | const char *SymbolName = nullptr; |
1617 | uint64_t p; |
1618 | if (O->is64Bit()) { |
1619 | outs() << format("0x%016" PRIx64, sect_addr + i * stride) << " "; |
1620 | uint64_t pointer_value; |
1621 | memcpy(&pointer_value, sect + i, stride); |
1622 | if (O->isLittleEndian() != sys::IsLittleEndianHost) |
1623 | sys::swapByteOrder(pointer_value); |
1624 | outs() << format("0x%016" PRIx64, pointer_value); |
1625 | p = pointer_value; |
1626 | } else { |
1627 | outs() << format("0x%08" PRIx64, sect_addr + i * stride) << " "; |
1628 | uint32_t pointer_value; |
1629 | memcpy(&pointer_value, sect + i, stride); |
1630 | if (O->isLittleEndian() != sys::IsLittleEndianHost) |
1631 | sys::swapByteOrder(pointer_value); |
1632 | outs() << format("0x%08" PRIx32, pointer_value); |
1633 | p = pointer_value; |
1634 | } |
1635 | if (verbose) { |
1636 | |
1637 | auto Reloc = find_if(Relocs, [&](const std::pair<uint64_t, SymbolRef> &P) { |
1638 | return P.first == i; |
1639 | }); |
1640 | if (Reloc != Relocs.end()) { |
1641 | symbol_iterator RelocSym = Reloc->second; |
1642 | outs() << " " << unwrapOrError(RelocSym->getName(), O->getFileName()); |
1643 | } else { |
1644 | SymbolName = GuessSymbolName(p, AddrMap); |
1645 | if (SymbolName) |
1646 | outs() << " " << SymbolName; |
1647 | } |
1648 | } |
1649 | outs() << "\n"; |
1650 | } |
1651 | } |
1652 | |
1653 | static void DumpRawSectionContents(MachOObjectFile *O, const char *sect, |
1654 | uint32_t size, uint64_t addr) { |
1655 | uint32_t cputype = O->getHeader().cputype; |
1656 | if (cputype == MachO::CPU_TYPE_I386 || cputype == MachO::CPU_TYPE_X86_64) { |
1657 | uint32_t j; |
1658 | for (uint32_t i = 0; i < size; i += j, addr += j) { |
1659 | if (O->is64Bit()) |
1660 | outs() << format("%016" PRIx64, addr) << "\t"; |
1661 | else |
1662 | outs() << format("%08" PRIx64, addr) << "\t"; |
1663 | for (j = 0; j < 16 && i + j < size; j++) { |
1664 | uint8_t byte_word = *(sect + i + j); |
1665 | outs() << format("%02" PRIx32, (uint32_t)byte_word) << " "; |
1666 | } |
1667 | outs() << "\n"; |
1668 | } |
1669 | } else { |
1670 | uint32_t j; |
1671 | for (uint32_t i = 0; i < size; i += j, addr += j) { |
1672 | if (O->is64Bit()) |
1673 | outs() << format("%016" PRIx64, addr) << "\t"; |
1674 | else |
1675 | outs() << format("%08" PRIx64, addr) << "\t"; |
1676 | for (j = 0; j < 4 * sizeof(int32_t) && i + j < size; |
1677 | j += sizeof(int32_t)) { |
1678 | if (i + j + sizeof(int32_t) <= size) { |
1679 | uint32_t long_word; |
1680 | memcpy(&long_word, sect + i + j, sizeof(int32_t)); |
1681 | if (O->isLittleEndian() != sys::IsLittleEndianHost) |
1682 | sys::swapByteOrder(long_word); |
1683 | outs() << format("%08" PRIx32, long_word) << " "; |
1684 | } else { |
1685 | for (uint32_t k = 0; i + j + k < size; k++) { |
1686 | uint8_t byte_word = *(sect + i + j + k); |
1687 | outs() << format("%02" PRIx32, (uint32_t)byte_word) << " "; |
1688 | } |
1689 | } |
1690 | } |
1691 | outs() << "\n"; |
1692 | } |
1693 | } |
1694 | } |
1695 | |
1696 | static void DisassembleMachO(StringRef Filename, MachOObjectFile *MachOOF, |
1697 | StringRef DisSegName, StringRef DisSectName); |
1698 | static void DumpProtocolSection(MachOObjectFile *O, const char *sect, |
1699 | uint32_t size, uint32_t addr); |
1700 | #ifdef LLVM_HAVE_LIBXAR |
1701 | static void DumpBitcodeSection(MachOObjectFile *O, const char *sect, |
1702 | uint32_t size, bool verbose, |
1703 | bool PrintXarHeader, bool PrintXarFileHeaders, |
1704 | std::string XarMemberName); |
1705 | #endif // defined(LLVM_HAVE_LIBXAR) |
1706 | |
1707 | static void DumpSectionContents(StringRef Filename, MachOObjectFile *O, |
1708 | bool verbose) { |
1709 | SymbolAddressMap AddrMap; |
1710 | if (verbose) |
1711 | CreateSymbolAddressMap(O, &AddrMap); |
1712 | |
1713 | for (unsigned i = 0; i < FilterSections.size(); ++i) { |
1714 | StringRef DumpSection = FilterSections[i]; |
1715 | std::pair<StringRef, StringRef> DumpSegSectName; |
1716 | DumpSegSectName = DumpSection.split(','); |
1717 | StringRef DumpSegName, DumpSectName; |
1718 | if (!DumpSegSectName.second.empty()) { |
1719 | DumpSegName = DumpSegSectName.first; |
1720 | DumpSectName = DumpSegSectName.second; |
1721 | } else { |
1722 | DumpSegName = ""; |
1723 | DumpSectName = DumpSegSectName.first; |
1724 | } |
1725 | for (const SectionRef &Section : O->sections()) { |
1726 | StringRef SectName; |
1727 | Expected<StringRef> SecNameOrErr = Section.getName(); |
1728 | if (SecNameOrErr) |
1729 | SectName = *SecNameOrErr; |
1730 | else |
1731 | consumeError(SecNameOrErr.takeError()); |
1732 | |
1733 | if (!DumpSection.empty()) |
1734 | FoundSectionSet.insert(DumpSection); |
1735 | |
1736 | DataRefImpl Ref = Section.getRawDataRefImpl(); |
1737 | StringRef SegName = O->getSectionFinalSegmentName(Ref); |
1738 | if ((DumpSegName.empty() || SegName == DumpSegName) && |
1739 | (SectName == DumpSectName)) { |
1740 | |
1741 | uint32_t section_flags; |
1742 | if (O->is64Bit()) { |
1743 | const MachO::section_64 Sec = O->getSection64(Ref); |
1744 | section_flags = Sec.flags; |
1745 | |
1746 | } else { |
1747 | const MachO::section Sec = O->getSection(Ref); |
1748 | section_flags = Sec.flags; |
1749 | } |
1750 | uint32_t section_type = section_flags & MachO::SECTION_TYPE; |
1751 | |
1752 | StringRef BytesStr = |
1753 | unwrapOrError(Section.getContents(), O->getFileName()); |
1754 | const char *sect = reinterpret_cast<const char *>(BytesStr.data()); |
1755 | uint32_t sect_size = BytesStr.size(); |
1756 | uint64_t sect_addr = Section.getAddress(); |
1757 | |
1758 | if (LeadingHeaders) |
1759 | outs() << "Contents of (" << SegName << "," << SectName |
1760 | << ") section\n"; |
1761 | |
1762 | if (verbose) { |
1763 | if ((section_flags & MachO::S_ATTR_PURE_INSTRUCTIONS) || |
1764 | (section_flags & MachO::S_ATTR_SOME_INSTRUCTIONS)) { |
1765 | DisassembleMachO(Filename, O, SegName, SectName); |
1766 | continue; |
1767 | } |
1768 | if (SegName == "__TEXT" && SectName == "__info_plist") { |
1769 | outs() << sect; |
1770 | continue; |
1771 | } |
1772 | if (SegName == "__OBJC" && SectName == "__protocol") { |
1773 | DumpProtocolSection(O, sect, sect_size, sect_addr); |
1774 | continue; |
1775 | } |
1776 | #ifdef LLVM_HAVE_LIBXAR |
1777 | if (SegName == "__LLVM" && SectName == "__bundle") { |
1778 | DumpBitcodeSection(O, sect, sect_size, verbose, SymbolicOperands, |
1779 | ArchiveHeaders, ""); |
1780 | continue; |
1781 | } |
1782 | #endif // defined(LLVM_HAVE_LIBXAR) |
1783 | switch (section_type) { |
1784 | case MachO::S_REGULAR: |
1785 | DumpRawSectionContents(O, sect, sect_size, sect_addr); |
1786 | break; |
1787 | case MachO::S_ZEROFILL: |
1788 | outs() << "zerofill section and has no contents in the file\n"; |
1789 | break; |
1790 | case MachO::S_CSTRING_LITERALS: |
1791 | DumpCstringSection(O, sect, sect_size, sect_addr, LeadingAddr); |
1792 | break; |
1793 | case MachO::S_4BYTE_LITERALS: |
1794 | DumpLiteral4Section(O, sect, sect_size, sect_addr, LeadingAddr); |
1795 | break; |
1796 | case MachO::S_8BYTE_LITERALS: |
1797 | DumpLiteral8Section(O, sect, sect_size, sect_addr, LeadingAddr); |
1798 | break; |
1799 | case MachO::S_16BYTE_LITERALS: |
1800 | DumpLiteral16Section(O, sect, sect_size, sect_addr, LeadingAddr); |
1801 | break; |
1802 | case MachO::S_LITERAL_POINTERS: |
1803 | DumpLiteralPointerSection(O, Section, sect, sect_size, sect_addr, |
1804 | LeadingAddr); |
1805 | break; |
1806 | case MachO::S_MOD_INIT_FUNC_POINTERS: |
1807 | case MachO::S_MOD_TERM_FUNC_POINTERS: |
1808 | DumpInitTermPointerSection(O, Section, sect, sect_size, sect_addr, |
1809 | &AddrMap, verbose); |
1810 | break; |
1811 | default: |
1812 | outs() << "Unknown section type (" |
1813 | << format("0x%08" PRIx32, section_type) << ")\n"; |
1814 | DumpRawSectionContents(O, sect, sect_size, sect_addr); |
1815 | break; |
1816 | } |
1817 | } else { |
1818 | if (section_type == MachO::S_ZEROFILL) |
1819 | outs() << "zerofill section and has no contents in the file\n"; |
1820 | else |
1821 | DumpRawSectionContents(O, sect, sect_size, sect_addr); |
1822 | } |
1823 | } |
1824 | } |
1825 | } |
1826 | } |
1827 | |
1828 | static void DumpInfoPlistSectionContents(StringRef Filename, |
1829 | MachOObjectFile *O) { |
1830 | for (const SectionRef &Section : O->sections()) { |
1831 | StringRef SectName; |
1832 | Expected<StringRef> SecNameOrErr = Section.getName(); |
1833 | if (SecNameOrErr) |
1834 | SectName = *SecNameOrErr; |
1835 | else |
1836 | consumeError(SecNameOrErr.takeError()); |
1837 | |
1838 | DataRefImpl Ref = Section.getRawDataRefImpl(); |
1839 | StringRef SegName = O->getSectionFinalSegmentName(Ref); |
1840 | if (SegName == "__TEXT" && SectName == "__info_plist") { |
1841 | if (LeadingHeaders) |
1842 | outs() << "Contents of (" << SegName << "," << SectName << ") section\n"; |
1843 | StringRef BytesStr = |
1844 | unwrapOrError(Section.getContents(), O->getFileName()); |
1845 | const char *sect = reinterpret_cast<const char *>(BytesStr.data()); |
1846 | outs() << format("%.*s", BytesStr.size(), sect) << "\n"; |
1847 | return; |
1848 | } |
1849 | } |
1850 | } |
1851 | |
1852 | |
1853 | |
1854 | |
1855 | |
1856 | |
1857 | static bool checkMachOAndArchFlags(ObjectFile *O, StringRef Filename) { |
1858 | auto *MachO = dyn_cast<MachOObjectFile>(O); |
1859 | |
1860 | if (!MachO || ArchAll || ArchFlags.empty()) |
1861 | return true; |
1862 | |
1863 | MachO::mach_header H; |
1864 | MachO::mach_header_64 H_64; |
1865 | Triple T; |
1866 | const char *McpuDefault, *ArchFlag; |
1867 | if (MachO->is64Bit()) { |
1868 | H_64 = MachO->MachOObjectFile::getHeader64(); |
1869 | T = MachOObjectFile::getArchTriple(H_64.cputype, H_64.cpusubtype, |
1870 | &McpuDefault, &ArchFlag); |
1871 | } else { |
1872 | H = MachO->MachOObjectFile::getHeader(); |
1873 | T = MachOObjectFile::getArchTriple(H.cputype, H.cpusubtype, |
1874 | &McpuDefault, &ArchFlag); |
1875 | } |
1876 | const std::string ArchFlagName(ArchFlag); |
1877 | if (!llvm::is_contained(ArchFlags, ArchFlagName)) { |
1878 | WithColor::error(errs(), "llvm-objdump") |
1879 | << Filename << ": no architecture specified.\n"; |
1880 | return false; |
1881 | } |
1882 | return true; |
1883 | } |
1884 | |
1885 | static void printObjcMetaData(MachOObjectFile *O, bool verbose); |
1886 | |
1887 | |
1888 | |
1889 | |
1890 | |
1891 | static void ProcessMachO(StringRef Name, MachOObjectFile *MachOOF, |
1892 | StringRef ArchiveMemberName = StringRef(), |
1893 | StringRef ArchitectureName = StringRef()) { |
1894 | |
1895 | |
1896 | |
1897 | if (Disassemble || Relocations || PrivateHeaders || ExportsTrie || Rebase || |
| 12 | | Assuming 'Disassemble' is false | |
|
| 13 | | Assuming 'Relocations' is false | |
|
| 14 | | Assuming 'PrivateHeaders' is false | |
|
| 15 | | Assuming 'ExportsTrie' is false | |
|
| 16 | | Assuming 'Rebase' is false | |
|
| |
1898 | Bind || SymbolTable || LazyBind || WeakBind || IndirectSymbols || |
| 17 | | Assuming 'Bind' is false | |
|
| 18 | | Assuming 'SymbolTable' is false | |
|
| 19 | | Assuming 'LazyBind' is false | |
|
| 20 | | Assuming 'WeakBind' is false | |
|
| 21 | | Assuming 'IndirectSymbols' is false | |
|
1899 | DataInCode || FunctionStarts || LinkOptHints || DylibsUsed || DylibId || |
| 22 | | Assuming 'DataInCode' is false | |
|
| 23 | | Assuming 'FunctionStarts' is false | |
|
| 24 | | Assuming 'LinkOptHints' is false | |
|
| 25 | | Assuming 'DylibsUsed' is false | |
|
| 26 | | Assuming 'DylibId' is false | |
|
1900 | Rpaths || ObjcMetaData || (!FilterSections.empty())) { |
| 27 | | Assuming 'Rpaths' is false | |
|
| 28 | | Assuming 'ObjcMetaData' is false | |
|
| 29 | | Assuming the condition is false | |
|
1901 | if (LeadingHeaders) { |
1902 | outs() << Name; |
1903 | if (!ArchiveMemberName.empty()) |
1904 | outs() << '(' << ArchiveMemberName << ')'; |
1905 | if (!ArchitectureName.empty()) |
1906 | outs() << " (architecture " << ArchitectureName << ")"; |
1907 | outs() << ":\n"; |
1908 | } |
1909 | } |
1910 | |
1911 | |
1912 | StringRef ArchiveName; |
1913 | StringRef FileName; |
1914 | if (!ArchiveMemberName.empty()) { |
| 31 | | Assuming the condition is false | |
|
| |
1915 | ArchiveName = Name; |
1916 | FileName = ArchiveMemberName; |
1917 | } else { |
1918 | ArchiveName = StringRef(); |
1919 | FileName = Name; |
1920 | } |
1921 | |
1922 | |
1923 | |
1924 | |
1925 | if (Disassemble || IndirectSymbols || !FilterSections.empty() || UnwindInfo) |
| 33 | | Assuming 'Disassemble' is false | |
|
| 34 | | Assuming 'IndirectSymbols' is false | |
|
| 35 | | Assuming the condition is false | |
|
| 36 | | Assuming 'UnwindInfo' is false | |
|
| |
1926 | if (Error Err = MachOOF->checkSymbolTable()) |
1927 | reportError(std::move(Err), FileName, ArchiveName, ArchitectureName); |
1928 | |
1929 | if (DisassembleAll) { |
| 38 | | Assuming 'DisassembleAll' is false | |
|
| |
1930 | for (const SectionRef &Section : MachOOF->sections()) { |
1931 | StringRef SectName; |
1932 | if (Expected<StringRef> NameOrErr = Section.getName()) |
1933 | SectName = *NameOrErr; |
1934 | else |
1935 | consumeError(NameOrErr.takeError()); |
1936 | |
1937 | if (SectName.equals("__text")) { |
1938 | DataRefImpl Ref = Section.getRawDataRefImpl(); |
1939 | StringRef SegName = MachOOF->getSectionFinalSegmentName(Ref); |
1940 | DisassembleMachO(FileName, MachOOF, SegName, SectName); |
1941 | } |
1942 | } |
1943 | } |
1944 | else if (Disassemble) { |
| |
1945 | if (MachOOF->getHeader().filetype == MachO::MH_KEXT_BUNDLE && |
1946 | MachOOF->getHeader().cputype == MachO::CPU_TYPE_ARM64) |
1947 | DisassembleMachO(FileName, MachOOF, "__TEXT_EXEC", "__text"); |
1948 | else |
1949 | DisassembleMachO(FileName, MachOOF, "__TEXT", "__text"); |
1950 | } |
1951 | if (IndirectSymbols) |
| |
1952 | PrintIndirectSymbols(MachOOF, Verbose); |
1953 | if (DataInCode) |
| 42 | | Assuming 'DataInCode' is false | |
|
| |
1954 | PrintDataInCodeTable(MachOOF, Verbose); |
1955 | if (FunctionStarts) |
| 44 | | Assuming 'FunctionStarts' is false | |
|
| |
1956 | PrintFunctionStarts(MachOOF); |
1957 | if (LinkOptHints) |
| 46 | | Assuming 'LinkOptHints' is false | |
|
| |
1958 | PrintLinkOptHints(MachOOF); |
1959 | if (Relocations) |
| 48 | | Assuming 'Relocations' is false | |
|
| |
1960 | PrintRelocations(MachOOF, Verbose); |
1961 | if (SectionHeaders) |
| 50 | | Assuming 'SectionHeaders' is false | |
|
| |
1962 | printSectionHeaders(MachOOF); |
1963 | if (SectionContents) |
| 52 | | Assuming 'SectionContents' is false | |
|
| |
1964 | printSectionContents(MachOOF); |
1965 | if (!FilterSections.empty()) |
| 54 | | Assuming the condition is false | |
|
| |
1966 | DumpSectionContents(FileName, MachOOF, Verbose); |
1967 | if (InfoPlist) |
| 56 | | Assuming 'InfoPlist' is false | |
|
| |
1968 | DumpInfoPlistSectionContents(FileName, MachOOF); |
1969 | if (DylibsUsed) |
| 58 | | Assuming 'DylibsUsed' is false | |
|
| |
1970 | PrintDylibs(MachOOF, false); |
1971 | if (DylibId) |
| 60 | | Assuming 'DylibId' is false | |
|
| |
1972 | PrintDylibs(MachOOF, true); |
1973 | if (SymbolTable) |
| 62 | | Assuming 'SymbolTable' is false | |
|
| |
1974 | printSymbolTable(MachOOF, ArchiveName, ArchitectureName); |
1975 | if (UnwindInfo) |
| |
1976 | printMachOUnwindInfo(MachOOF); |
1977 | if (PrivateHeaders) { |
| 65 | | Assuming 'PrivateHeaders' is false | |
|
| |
1978 | printMachOFileHeader(MachOOF); |
1979 | printMachOLoadCommands(MachOOF); |
1980 | } |
1981 | if (FirstPrivateHeader) |
| 67 | | Assuming 'FirstPrivateHeader' is false | |
|
| |
1982 | printMachOFileHeader(MachOOF); |
1983 | if (ObjcMetaData) |
| 69 | | Assuming 'ObjcMetaData' is true | |
|
| |
1984 | printObjcMetaData(MachOOF, Verbose); |
| 71 | | Calling 'printObjcMetaData' | |
|
1985 | if (ExportsTrie) |
1986 | printExportsTrie(MachOOF); |
1987 | if (Rebase) |
1988 | printRebaseTable(MachOOF); |
1989 | if (Rpaths) |
1990 | printRpaths(MachOOF); |
1991 | if (Bind) |
1992 | printBindTable(MachOOF); |
1993 | if (LazyBind) |
1994 | printLazyBindTable(MachOOF); |
1995 | if (WeakBind) |
1996 | printWeakBindTable(MachOOF); |
1997 | |
1998 | if (DwarfDumpType != DIDT_Null) { |
1999 | std::unique_ptr<DIContext> DICtx = DWARFContext::create(*MachOOF); |
2000 | |
2001 | DIDumpOptions DumpOpts; |
2002 | DumpOpts.DumpType = DwarfDumpType; |
2003 | DICtx->dump(outs(), DumpOpts); |
2004 | } |
2005 | } |
2006 | |
2007 | |
2008 | static void printUnknownCPUType(uint32_t cputype, uint32_t cpusubtype) { |
2009 | outs() << " cputype (" << cputype << ")\n"; |
2010 | outs() << " cpusubtype (" << cpusubtype << ")\n"; |
2011 | } |
2012 | |
2013 | |
2014 | |
2015 | static void printCPUType(uint32_t cputype, uint32_t cpusubtype) { |
2016 | switch (cputype) { |
2017 | case MachO::CPU_TYPE_I386: |
2018 | switch (cpusubtype) { |
2019 | case MachO::CPU_SUBTYPE_I386_ALL: |
2020 | outs() << " cputype CPU_TYPE_I386\n"; |
2021 | outs() << " cpusubtype CPU_SUBTYPE_I386_ALL\n"; |
2022 | break; |
2023 | default: |
2024 | printUnknownCPUType(cputype, cpusubtype); |
2025 | break; |
2026 | } |
2027 | break; |
2028 | case MachO::CPU_TYPE_X86_64: |
2029 | switch (cpusubtype) { |
2030 | case MachO::CPU_SUBTYPE_X86_64_ALL: |
2031 | outs() << " cputype CPU_TYPE_X86_64\n"; |
2032 | outs() << " cpusubtype CPU_SUBTYPE_X86_64_ALL\n"; |
2033 | break; |
2034 | case MachO::CPU_SUBTYPE_X86_64_H: |
2035 | outs() << " cputype CPU_TYPE_X86_64\n"; |
2036 | outs() << " cpusubtype CPU_SUBTYPE_X86_64_H\n"; |
2037 | break; |
2038 | default: |
2039 | printUnknownCPUType(cputype, cpusubtype); |
2040 | break; |
2041 | } |
2042 | break; |
2043 | case MachO::CPU_TYPE_ARM: |
2044 | switch (cpusubtype) { |
2045 | case MachO::CPU_SUBTYPE_ARM_ALL: |
2046 | outs() << " cputype CPU_TYPE_ARM\n"; |
2047 | outs() << " cpusubtype CPU_SUBTYPE_ARM_ALL\n"; |
2048 | break; |
2049 | case MachO::CPU_SUBTYPE_ARM_V4T: |
2050 | outs() << " cputype CPU_TYPE_ARM\n"; |
2051 | outs() << " cpusubtype CPU_SUBTYPE_ARM_V4T\n"; |
2052 | break; |
2053 | case MachO::CPU_SUBTYPE_ARM_V5TEJ: |
2054 | outs() << " cputype CPU_TYPE_ARM\n"; |
2055 | outs() << " cpusubtype CPU_SUBTYPE_ARM_V5TEJ\n"; |
2056 | break; |
2057 | case MachO::CPU_SUBTYPE_ARM_XSCALE: |
2058 | outs() << " cputype CPU_TYPE_ARM\n"; |
2059 | outs() << " cpusubtype CPU_SUBTYPE_ARM_XSCALE\n"; |
2060 | break; |
2061 | case MachO::CPU_SUBTYPE_ARM_V6: |
2062 | outs() << " cputype CPU_TYPE_ARM\n"; |
2063 | outs() << " cpusubtype CPU_SUBTYPE_ARM_V6\n"; |
2064 | break; |
2065 | case MachO::CPU_SUBTYPE_ARM_V6M: |
2066 | outs() << " cputype CPU_TYPE_ARM\n"; |
2067 | outs() << " cpusubtype CPU_SUBTYPE_ARM_V6M\n"; |
2068 | break; |
2069 | case MachO::CPU_SUBTYPE_ARM_V7: |
2070 | outs() << " cputype CPU_TYPE_ARM\n"; |
2071 | outs() << " cpusubtype CPU_SUBTYPE_ARM_V7\n"; |
2072 | break; |
2073 | case MachO::CPU_SUBTYPE_ARM_V7EM: |
2074 | outs() << " cputype CPU_TYPE_ARM\n"; |
2075 | outs() << " cpusubtype CPU_SUBTYPE_ARM_V7EM\n"; |
2076 | break; |
2077 | case MachO::CPU_SUBTYPE_ARM_V7K: |
2078 | outs() << " cputype CPU_TYPE_ARM\n"; |
2079 | outs() << " cpusubtype CPU_SUBTYPE_ARM_V7K\n"; |
2080 | break; |
2081 | case MachO::CPU_SUBTYPE_ARM_V7M: |
2082 | outs() << " cputype CPU_TYPE_ARM\n"; |
2083 | outs() << " cpusubtype CPU_SUBTYPE_ARM_V7M\n"; |
2084 | break; |
2085 | case MachO::CPU_SUBTYPE_ARM_V7S: |
2086 | outs() << " cputype CPU_TYPE_ARM\n"; |
2087 | outs() << " cpusubtype CPU_SUBTYPE_ARM_V7S\n"; |
2088 | break; |
2089 | default: |
2090 | printUnknownCPUType(cputype, cpusubtype); |
2091 | break; |
2092 | } |
2093 | break; |
2094 | case MachO::CPU_TYPE_ARM64: |
2095 | switch (cpusubtype & ~MachO::CPU_SUBTYPE_MASK) { |
2096 | case MachO::CPU_SUBTYPE_ARM64_ALL: |
2097 | outs() << " cputype CPU_TYPE_ARM64\n"; |
2098 | outs() << " cpusubtype CPU_SUBTYPE_ARM64_ALL\n"; |
2099 | break; |
2100 | case MachO::CPU_SUBTYPE_ARM64_V8: |
2101 | outs() << " cputype CPU_TYPE_ARM64\n"; |
2102 | outs() << " cpusubtype CPU_SUBTYPE_ARM64_V8\n"; |
2103 | break; |
2104 | case MachO::CPU_SUBTYPE_ARM64E: |
2105 | outs() << " cputype CPU_TYPE_ARM64\n"; |
2106 | outs() << " cpusubtype CPU_SUBTYPE_ARM64E\n"; |
2107 | break; |
2108 | default: |
2109 | printUnknownCPUType(cputype, cpusubtype); |
2110 | break; |
2111 | } |
2112 | break; |
2113 | case MachO::CPU_TYPE_ARM64_32: |
2114 | switch (cpusubtype & ~MachO::CPU_SUBTYPE_MASK) { |
2115 | case MachO::CPU_SUBTYPE_ARM64_32_V8: |
2116 | outs() << " cputype CPU_TYPE_ARM64_32\n"; |
2117 | outs() << " cpusubtype CPU_SUBTYPE_ARM64_32_V8\n"; |
2118 | break; |
2119 | default: |
2120 | printUnknownCPUType(cputype, cpusubtype); |
2121 | break; |
2122 | } |
2123 | break; |
2124 | default: |
2125 | printUnknownCPUType(cputype, cpusubtype); |
2126 | break; |
2127 | } |
2128 | } |
2129 | |
2130 | static void printMachOUniversalHeaders(const object::MachOUniversalBinary *UB, |
2131 | bool verbose) { |
2132 | outs() << "Fat headers\n"; |
2133 | if (verbose) { |
2134 | if (UB->getMagic() == MachO::FAT_MAGIC) |
2135 | outs() << "fat_magic FAT_MAGIC\n"; |
2136 | else |
2137 | outs() << "fat_magic FAT_MAGIC_64\n"; |
2138 | } else |
2139 | outs() << "fat_magic " << format("0x%" PRIx32, MachO::FAT_MAGIC) << "\n"; |
2140 | |
2141 | uint32_t nfat_arch = UB->getNumberOfObjects(); |
2142 | StringRef Buf = UB->getData(); |
2143 | uint64_t size = Buf.size(); |
2144 | uint64_t big_size = sizeof(struct MachO::fat_header) + |
2145 | nfat_arch * sizeof(struct MachO::fat_arch); |
2146 | outs() << "nfat_arch " << UB->getNumberOfObjects(); |
2147 | if (nfat_arch == 0) |
2148 | outs() << " (malformed, contains zero architecture types)\n"; |
2149 | else if (big_size > size) |
2150 | outs() << " (malformed, architectures past end of file)\n"; |
2151 | else |
2152 | outs() << "\n"; |
2153 | |
2154 | for (uint32_t i = 0; i < nfat_arch; ++i) { |
2155 | MachOUniversalBinary::ObjectForArch OFA(UB, i); |
2156 | uint32_t cputype = OFA.getCPUType(); |
2157 | uint32_t cpusubtype = OFA.getCPUSubType(); |
2158 | outs() << "architecture "; |
2159 | for (uint32_t j = 0; i != 0 && j <= i - 1; j++) { |
2160 | MachOUniversalBinary::ObjectForArch other_OFA(UB, j); |
2161 | uint32_t other_cputype = other_OFA.getCPUType(); |
2162 | uint32_t other_cpusubtype = other_OFA.getCPUSubType(); |
2163 | if (cputype != 0 && cpusubtype != 0 && cputype == other_cputype && |
2164 | (cpusubtype & ~MachO::CPU_SUBTYPE_MASK) == |
2165 | (other_cpusubtype & ~MachO::CPU_SUBTYPE_MASK)) { |
2166 | outs() << "(illegal duplicate architecture) "; |
2167 | break; |
2168 | } |
2169 | } |
2170 | if (verbose) { |
2171 | outs() << OFA.getArchFlagName() << "\n"; |
2172 | printCPUType(cputype, cpusubtype & ~MachO::CPU_SUBTYPE_MASK); |
2173 | } else { |
2174 | outs() << i << "\n"; |
2175 | outs() << " cputype " << cputype << "\n"; |
2176 | outs() << " cpusubtype " << (cpusubtype & ~MachO::CPU_SUBTYPE_MASK) |
2177 | << "\n"; |
2178 | } |
2179 | if (verbose && |
2180 | (cpusubtype & MachO::CPU_SUBTYPE_MASK) == MachO::CPU_SUBTYPE_LIB64) |
2181 | outs() << " capabilities CPU_SUBTYPE_LIB64\n"; |
2182 | else |
2183 | outs() << " capabilities " |
2184 | << format("0x%" PRIx32, |
2185 | (cpusubtype & MachO::CPU_SUBTYPE_MASK) >> 24) << "\n"; |
2186 | outs() << " offset " << OFA.getOffset(); |
2187 | if (OFA.getOffset() > size) |
2188 | outs() << " (past end of file)"; |
2189 | if (OFA.getOffset() % (1ull << OFA.getAlign()) != 0) |
2190 | outs() << " (not aligned on it's alignment (2^" << OFA.getAlign() << ")"; |
2191 | outs() << "\n"; |
2192 | outs() << " size " << OFA.getSize(); |
2193 | big_size = OFA.getOffset() + OFA.getSize(); |
2194 | if (big_size > size) |
2195 | outs() << " (past end of file)"; |
2196 | outs() << "\n"; |
2197 | outs() << " align 2^" << OFA.getAlign() << " (" << (1 << OFA.getAlign()) |
2198 | << ")\n"; |
2199 | } |
2200 | } |
2201 | |
2202 | static void printArchiveChild(StringRef Filename, const Archive::Child &C, |
2203 | size_t ChildIndex, bool verbose, |
2204 | bool print_offset, |
2205 | StringRef ArchitectureName = StringRef()) { |
2206 | if (print_offset) |
2207 | outs() << C.getChildOffset() << "\t"; |
2208 | sys::fs::perms Mode = |
2209 | unwrapOrError(C.getAccessMode(), getFileNameForError(C, ChildIndex), |
2210 | Filename, ArchitectureName); |
2211 | if (verbose) { |
2212 | |
2213 | |
2214 | outs() << "-"; |
2215 | outs() << ((Mode & sys::fs::owner_read) ? "r" : "-"); |
2216 | outs() << ((Mode & sys::fs::owner_write) ? "w" : "-"); |
2217 | outs() << ((Mode & sys::fs::owner_exe) ? "x" : "-"); |
2218 | outs() << ((Mode & sys::fs::group_read) ? "r" : "-"); |
2219 | outs() << ((Mode & sys::fs::group_write) ? "w" : "-"); |
2220 | outs() << ((Mode & sys::fs::group_exe) ? "x" : "-"); |
2221 | outs() << ((Mode & sys::fs::others_read) ? "r" : "-"); |
2222 | outs() << ((Mode & sys::fs::others_write) ? "w" : "-"); |
2223 | outs() << ((Mode & sys::fs::others_exe) ? "x" : "-"); |
2224 | } else { |
2225 | outs() << format("0%o ", Mode); |
2226 | } |
2227 | |
2228 | outs() << format("%3d/%-3d %5" PRId64 " ", |
2229 | unwrapOrError(C.getUID(), getFileNameForError(C, ChildIndex), |
2230 | Filename, ArchitectureName), |
2231 | unwrapOrError(C.getGID(), getFileNameForError(C, ChildIndex), |
2232 | Filename, ArchitectureName), |
2233 | unwrapOrError(C.getRawSize(), |
2234 | getFileNameForError(C, ChildIndex), Filename, |
2235 | ArchitectureName)); |
2236 | |
2237 | StringRef RawLastModified = C.getRawLastModified(); |
2238 | if (verbose) { |
2239 | unsigned Seconds; |
2240 | if (RawLastModified.getAsInteger(10, Seconds)) |
2241 | outs() << "(date: \"" << RawLastModified |
2242 | << "\" contains non-decimal chars) "; |
2243 | else { |
2244 | |
2245 | |
2246 | |
2247 | time_t t = Seconds; |
2248 | outs() << format("%.24s ", ctime(&t)); |
2249 | } |
2250 | } else { |
2251 | outs() << RawLastModified << " "; |
2252 | } |
2253 | |
2254 | if (verbose) { |
2255 | Expected<StringRef> NameOrErr = C.getName(); |
2256 | if (!NameOrErr) { |
2257 | consumeError(NameOrErr.takeError()); |
2258 | outs() << unwrapOrError(C.getRawName(), |
2259 | getFileNameForError(C, ChildIndex), Filename, |
2260 | ArchitectureName) |
2261 | << "\n"; |
2262 | } else { |
2263 | StringRef Name = NameOrErr.get(); |
2264 | outs() << Name << "\n"; |
2265 | } |
2266 | } else { |
2267 | outs() << unwrapOrError(C.getRawName(), getFileNameForError(C, ChildIndex), |
2268 | Filename, ArchitectureName) |
2269 | << "\n"; |
2270 | } |
2271 | } |
2272 | |
2273 | static void printArchiveHeaders(StringRef Filename, Archive *A, bool verbose, |
2274 | bool print_offset, |
2275 | StringRef ArchitectureName = StringRef()) { |
2276 | Error Err = Error::success(); |
2277 | size_t I = 0; |
2278 | for (const auto &C : A->children(Err, false)) |
2279 | printArchiveChild(Filename, C, I++, verbose, print_offset, |
2280 | ArchitectureName); |
2281 | |
2282 | if (Err) |
2283 | reportError(std::move(Err), Filename, "", ArchitectureName); |
2284 | } |
2285 | |
2286 | static bool ValidateArchFlags() { |
2287 | |
2288 | for (unsigned i = 0; i < ArchFlags.size(); ++i) { |
2289 | if (ArchFlags[i] == "all") { |
2290 | ArchAll = true; |
2291 | } else { |
2292 | if (!MachOObjectFile::isValidArch(ArchFlags[i])) { |
2293 | WithColor::error(errs(), "llvm-objdump") |
2294 | << "unknown architecture named '" + ArchFlags[i] + |
2295 | "'for the -arch option\n"; |
2296 | return false; |
2297 | } |
2298 | } |
2299 | } |
2300 | return true; |
2301 | } |
2302 | |
2303 | |
2304 | |
2305 | |
2306 | |
2307 | void objdump::parseInputMachO(StringRef Filename) { |
2308 | if (!ValidateArchFlags()) |
| |
2309 | return; |
2310 | |
2311 | |
2312 | Expected<OwningBinary<Binary>> BinaryOrErr = createBinary(Filename); |
2313 | if (!BinaryOrErr) { |
| |
2314 | if (Error E = isNotObjectErrorInvalidFileType(BinaryOrErr.takeError())) |
2315 | reportError(std::move(E), Filename); |
2316 | else |
2317 | outs() << Filename << ": is not an object file\n"; |
2318 | return; |
2319 | } |
2320 | Binary &Bin = *BinaryOrErr.get().getBinary(); |
2321 | |
2322 | if (Archive *A = dyn_cast<Archive>(&Bin)) { |
| 3 | | Assuming the object is a 'Archive' | |
|
| |
2323 | outs() << "Archive : " << Filename << "\n"; |
2324 | if (ArchiveHeaders) |
| 5 | | Assuming 'ArchiveHeaders' is false | |
|
| |
2325 | printArchiveHeaders(Filename, A, Verbose, ArchiveMemberOffsets); |
2326 | |
2327 | Error Err = Error::success(); |
2328 | unsigned I = -1; |
2329 | for (auto &C : A->children(Err)) { |
2330 | ++I; |
2331 | Expected<std::unique_ptr<Binary>> ChildOrErr = C.getAsBinary(); |
2332 | if (!ChildOrErr) { |
| |
2333 | if (Error E = isNotObjectErrorInvalidFileType(ChildOrErr.takeError())) |
2334 | reportError(std::move(E), getFileNameForError(C, I), Filename); |
2335 | continue; |
2336 | } |
2337 | if (MachOObjectFile *O = dyn_cast<MachOObjectFile>(&*ChildOrErr.get())) { |
| 8 | | Assuming the object is a 'MachOObjectFile' | |
|
| |
2338 | if (!checkMachOAndArchFlags(O, Filename)) |
| |
2339 | return; |
2340 | ProcessMachO(Filename, O, O->getFileName()); |
| |
2341 | } |
2342 | } |
2343 | if (Err) |
2344 | reportError(std::move(Err), Filename); |
2345 | return; |
2346 | } |
2347 | if (MachOUniversalBinary *UB = dyn_cast<MachOUniversalBinary>(&Bin)) { |
2348 | parseInputMachO(UB); |
2349 | return; |
2350 | } |
2351 | if (ObjectFile *O = dyn_cast<ObjectFile>(&Bin)) { |
2352 | if (!checkMachOAndArchFlags(O, Filename)) |
2353 | return; |
2354 | if (MachOObjectFile *MachOOF = dyn_cast<MachOObjectFile>(&*O)) |
2355 | ProcessMachO(Filename, MachOOF); |
2356 | else |
2357 | WithColor::error(errs(), "llvm-objdump") |
2358 | << Filename << "': " |
2359 | << "object is not a Mach-O file type.\n"; |
2360 | return; |
2361 | } |
2362 | llvm_unreachable("Input object can't be invalid at this point"); |
2363 | } |
2364 | |
2365 | void objdump::parseInputMachO(MachOUniversalBinary *UB) { |
2366 | if (!ValidateArchFlags()) |
2367 | return; |
2368 | |
2369 | auto Filename = UB->getFileName(); |
2370 | |
2371 | if (UniversalHeaders) |
2372 | printMachOUniversalHeaders(UB, Verbose); |
2373 | |
2374 | |
2375 | if (!ArchAll && !ArchFlags.empty()) { |
2376 | |
2377 | bool ArchFound; |
2378 | for (unsigned i = 0; i < ArchFlags.size(); ++i) { |
2379 | ArchFound = false; |
2380 | for (MachOUniversalBinary::object_iterator I = UB->begin_objects(), |
2381 | E = UB->end_objects(); |
2382 | I != E; ++I) { |
2383 | if (ArchFlags[i] == I->getArchFlagName()) { |
2384 | ArchFound = true; |
2385 | Expected<std::unique_ptr<ObjectFile>> ObjOrErr = |
2386 | I->getAsObjectFile(); |
2387 | std::string ArchitectureName; |
2388 | if (ArchFlags.size() > 1) |
2389 | ArchitectureName = I->getArchFlagName(); |
2390 | if (ObjOrErr) { |
2391 | ObjectFile &O = *ObjOrErr.get(); |
2392 | if (MachOObjectFile *MachOOF = dyn_cast<MachOObjectFile>(&O)) |
2393 | ProcessMachO(Filename, MachOOF, "", ArchitectureName); |
2394 | } else if (Error E = isNotObjectErrorInvalidFileType( |
2395 | ObjOrErr.takeError())) { |
2396 | reportError(std::move(E), "", Filename, ArchitectureName); |
2397 | continue; |
2398 | } else if (Expected<std::unique_ptr<Archive>> AOrErr = |
2399 | I->getAsArchive()) { |
2400 | std::unique_ptr<Archive> &A = *AOrErr; |
2401 | outs() << "Archive : " << Filename; |
2402 | if (!ArchitectureName.empty()) |
2403 | outs() << " (architecture " << ArchitectureName << ")"; |
2404 | outs() << "\n"; |
2405 | if (ArchiveHeaders) |
2406 | printArchiveHeaders(Filename, A.get(), Verbose, |
2407 | ArchiveMemberOffsets, ArchitectureName); |
2408 | Error Err = Error::success(); |
2409 | unsigned I = -1; |
2410 | for (auto &C : A->children(Err)) { |
2411 | ++I; |
2412 | Expected<std::unique_ptr<Binary>> ChildOrErr = C.getAsBinary(); |
2413 | if (!ChildOrErr) { |
2414 | if (Error E = |
2415 | isNotObjectErrorInvalidFileType(ChildOrErr.takeError())) |
2416 | reportError(std::move(E), getFileNameForError(C, I), Filename, |
2417 | ArchitectureName); |
2418 | continue; |
2419 | } |
2420 | if (MachOObjectFile *O = |
2421 | dyn_cast<MachOObjectFile>(&*ChildOrErr.get())) |
2422 | ProcessMachO(Filename, O, O->getFileName(), ArchitectureName); |
2423 | } |
2424 | if (Err) |
2425 | reportError(std::move(Err), Filename); |
2426 | } else { |
2427 | consumeError(AOrErr.takeError()); |
2428 | reportError(Filename, |
2429 | "Mach-O universal file for architecture " + |
2430 | StringRef(I->getArchFlagName()) + |
2431 | " is not a Mach-O file or an archive file"); |
2432 | } |
2433 | } |
2434 | } |
2435 | if (!ArchFound) { |
2436 | WithColor::error(errs(), "llvm-objdump") |
2437 | << "file: " + Filename + " does not contain " |
2438 | << "architecture: " + ArchFlags[i] + "\n"; |
2439 | return; |
2440 | } |
2441 | } |
2442 | return; |
2443 | } |
2444 | |
2445 | |
2446 | if (!ArchAll) { |
2447 | for (MachOUniversalBinary::object_iterator I = UB->begin_objects(), |
2448 | E = UB->end_objects(); |
2449 | I != E; ++I) { |
2450 | if (MachOObjectFile::getHostArch().getArchName() == |
2451 | I->getArchFlagName()) { |
2452 | Expected<std::unique_ptr<ObjectFile>> ObjOrErr = I->getAsObjectFile(); |
2453 | std::string ArchiveName; |
2454 | ArchiveName.clear(); |
2455 | if (ObjOrErr) { |
2456 | ObjectFile &O = *ObjOrErr.get(); |
2457 | if (MachOObjectFile *MachOOF = dyn_cast<MachOObjectFile>(&O)) |
2458 | ProcessMachO(Filename, MachOOF); |
2459 | } else if (Error E = |
2460 | isNotObjectErrorInvalidFileType(ObjOrErr.takeError())) { |
2461 | reportError(std::move(E), Filename); |
2462 | } else if (Expected<std::unique_ptr<Archive>> AOrErr = |
2463 | I->getAsArchive()) { |
2464 | std::unique_ptr<Archive> &A = *AOrErr; |
2465 | outs() << "Archive : " << Filename << "\n"; |
2466 | if (ArchiveHeaders) |
2467 | printArchiveHeaders(Filename, A.get(), Verbose, |
2468 | ArchiveMemberOffsets); |
2469 | Error Err = Error::success(); |
2470 | unsigned I = -1; |
2471 | for (auto &C : A->children(Err)) { |
2472 | ++I; |
2473 | Expected<std::unique_ptr<Binary>> ChildOrErr = C.getAsBinary(); |
2474 | if (!ChildOrErr) { |
2475 | if (Error E = |
2476 | isNotObjectErrorInvalidFileType(ChildOrErr.takeError())) |
2477 | reportError(std::move(E), getFileNameForError(C, I), Filename); |
2478 | continue; |
2479 | } |
2480 | if (MachOObjectFile *O = |
2481 | dyn_cast<MachOObjectFile>(&*ChildOrErr.get())) |
2482 | ProcessMachO(Filename, O, O->getFileName()); |
2483 | } |
2484 | if (Err) |
2485 | reportError(std::move(Err), Filename); |
2486 | } else { |
2487 | consumeError(AOrErr.takeError()); |
2488 | reportError(Filename, "Mach-O universal file for architecture " + |
2489 | StringRef(I->getArchFlagName()) + |
2490 | " is not a Mach-O file or an archive file"); |
2491 | } |
2492 | return; |
2493 | } |
2494 | } |
2495 | } |
2496 | |
2497 | |
2498 | bool moreThanOneArch = UB->getNumberOfObjects() > 1; |
2499 | for (MachOUniversalBinary::object_iterator I = UB->begin_objects(), |
2500 | E = UB->end_objects(); |
2501 | I != E; ++I) { |
2502 | Expected<std::unique_ptr<ObjectFile>> ObjOrErr = I->getAsObjectFile(); |
2503 | std::string ArchitectureName; |
2504 | if (moreThanOneArch) |
2505 | ArchitectureName = I->getArchFlagName(); |
2506 | if (ObjOrErr) { |
2507 | ObjectFile &Obj = *ObjOrErr.get(); |
2508 | if (MachOObjectFile *MachOOF = dyn_cast<MachOObjectFile>(&Obj)) |
2509 | ProcessMachO(Filename, MachOOF, "", ArchitectureName); |
2510 | } else if (Error E = |
2511 | isNotObjectErrorInvalidFileType(ObjOrErr.takeError())) { |
2512 | reportError(std::move(E), Filename, "", ArchitectureName); |
2513 | } else if (Expected<std::unique_ptr<Archive>> AOrErr = I->getAsArchive()) { |
2514 | std::unique_ptr<Archive> &A = *AOrErr; |
2515 | outs() << "Archive : " << Filename; |
2516 | if (!ArchitectureName.empty()) |
2517 | outs() << " (architecture " << ArchitectureName << ")"; |
2518 | outs() << "\n"; |
2519 | if (ArchiveHeaders) |
2520 | printArchiveHeaders(Filename, A.get(), Verbose, ArchiveMemberOffsets, |
2521 | ArchitectureName); |
2522 | Error Err = Error::success(); |
2523 | unsigned I = -1; |
2524 | for (auto &C : A->children(Err)) { |
2525 | ++I; |
2526 | Expected<std::unique_ptr<Binary>> ChildOrErr = C.getAsBinary(); |
2527 | if (!ChildOrErr) { |
2528 | if (Error E = isNotObjectErrorInvalidFileType(ChildOrErr.takeError())) |
2529 | reportError(std::move(E), getFileNameForError(C, I), Filename, |
2530 | ArchitectureName); |
2531 | continue; |
2532 | } |
2533 | if (MachOObjectFile *O = |
2534 | dyn_cast<MachOObjectFile>(&*ChildOrErr.get())) { |
2535 | if (MachOObjectFile *MachOOF = dyn_cast<MachOObjectFile>(O)) |
2536 | ProcessMachO(Filename, MachOOF, MachOOF->getFileName(), |
2537 | ArchitectureName); |
2538 | } |
2539 | } |
2540 | if (Err) |
2541 | reportError(std::move(Err), Filename); |
2542 | } else { |
2543 | consumeError(AOrErr.takeError()); |
2544 | reportError(Filename, "Mach-O universal file for architecture " + |
2545 | StringRef(I->getArchFlagName()) + |
2546 | " is not a Mach-O file or an archive file"); |
2547 | } |
2548 | } |
2549 | } |
2550 | |
2551 | namespace { |
2552 | |
2553 | struct DisassembleInfo { |
2554 | DisassembleInfo(MachOObjectFile *O, SymbolAddressMap *AddrMap, |
2555 | std::vector<SectionRef> *Sections, bool verbose) |
2556 | : verbose(verbose), O(O), AddrMap(AddrMap), Sections(Sections) {} |
2557 | bool verbose; |
2558 | MachOObjectFile *O; |
2559 | SectionRef S; |
2560 | SymbolAddressMap *AddrMap; |
2561 | std::vector<SectionRef> *Sections; |
2562 | const char *class_name = nullptr; |
2563 | const char *selector_name = nullptr; |
2564 | std::unique_ptr<char[]> method = nullptr; |
2565 | char *demangled_name = nullptr; |
2566 | uint64_t adrp_addr = 0; |
2567 | uint32_t adrp_inst = 0; |
2568 | std::unique_ptr<SymbolAddressMap> bindtable; |
2569 | uint32_t depth = 0; |
2570 | }; |
2571 | } |
2572 | |
2573 | |
2574 | |
2575 | |
2576 | |
2577 | |
2578 | |
2579 | |
2580 | |
2581 | |
2582 | |
2583 | |
2584 | |
2585 | |
2586 | |
2587 | |
2588 | static int SymbolizerGetOpInfo(void *DisInfo, uint64_t Pc, uint64_t Offset, |
2589 | uint64_t Size, int TagType, void *TagBuf) { |
2590 | struct DisassembleInfo *info = (struct DisassembleInfo *)DisInfo; |
2591 | struct LLVMOpInfo1 *op_info = (struct LLVMOpInfo1 *)TagBuf; |
2592 | uint64_t value = op_info->Value; |
2593 | |
2594 | |
2595 | memset((void *)op_info, '\0', sizeof(struct LLVMOpInfo1)); |
2596 | op_info->Value = value; |
2597 | |
2598 | |
2599 | |
2600 | |
2601 | if (TagType != 1 || !info->verbose) |
2602 | return 0; |
2603 | |
2604 | unsigned int Arch = info->O->getArch(); |
2605 | if (Arch == Triple::x86) { |
2606 | if (Size != 1 && Size != 2 && Size != 4 && Size != 0) |
2607 | return 0; |
2608 | if (info->O->getHeader().filetype != MachO::MH_OBJECT) { |
2609 | |
2610 | |
2611 | |
2612 | |
2613 | return 0; |
2614 | } |
2615 | |
2616 | |
2617 | uint32_t sect_addr = info->S.getAddress(); |
2618 | uint32_t sect_offset = (Pc + Offset) - sect_addr; |
2619 | bool reloc_found = false; |
2620 | DataRefImpl Rel; |
2621 | MachO::any_relocation_info RE; |
2622 | bool isExtern = false; |
2623 | SymbolRef Symbol; |
2624 | bool r_scattered = false; |
2625 | uint32_t r_value, pair_r_value, r_type; |
2626 | for (const RelocationRef &Reloc : info->S.relocations()) { |
2627 | uint64_t RelocOffset = Reloc.getOffset(); |
2628 | if (RelocOffset == sect_offset) { |
2629 | Rel = Reloc.getRawDataRefImpl(); |
2630 | RE = info->O->getRelocation(Rel); |
2631 | r_type = info->O->getAnyRelocationType(RE); |
2632 | r_scattered = info->O->isRelocationScattered(RE); |
2633 | if (r_scattered) { |
2634 | r_value = info->O->getScatteredRelocationValue(RE); |
2635 | if (r_type == MachO::GENERIC_RELOC_SECTDIFF || |
2636 | r_type == MachO::GENERIC_RELOC_LOCAL_SECTDIFF) { |
2637 | DataRefImpl RelNext = Rel; |
2638 | info->O->moveRelocationNext(RelNext); |
2639 | MachO::any_relocation_info RENext; |
2640 | RENext = info->O->getRelocation(RelNext); |
2641 | if (info->O->isRelocationScattered(RENext)) |
2642 | pair_r_value = info->O->getScatteredRelocationValue(RENext); |
2643 | else |
2644 | return 0; |
2645 | } |
2646 | } else { |
2647 | isExtern = info->O->getPlainRelocationExternal(RE); |
2648 | if (isExtern) { |
2649 | symbol_iterator RelocSym = Reloc.getSymbol(); |
2650 | Symbol = *RelocSym; |
2651 | } |
2652 | } |
2653 | reloc_found = true; |
2654 | break; |
2655 | } |
2656 | } |
2657 | if (reloc_found && isExtern) { |
2658 | op_info->AddSymbol.Present = 1; |
2659 | op_info->AddSymbol.Name = |
2660 | unwrapOrError(Symbol.getName(), info->O->getFileName()).data(); |
2661 | |
2662 | |
2663 | return 1; |
2664 | } |
2665 | if (reloc_found && (r_type == MachO::GENERIC_RELOC_SECTDIFF || |
2666 | r_type == MachO::GENERIC_RELOC_LOCAL_SECTDIFF)) { |
2667 | const char *add = GuessSymbolName(r_value, info->AddrMap); |
2668 | const char *sub = GuessSymbolName(pair_r_value, info->AddrMap); |
2669 | uint32_t offset = value - (r_value - pair_r_value); |
2670 | op_info->AddSymbol.Present = 1; |
2671 | if (add != nullptr) |
2672 | op_info->AddSymbol.Name = add; |
2673 | else |
2674 | op_info->AddSymbol.Value = r_value; |
2675 | op_info->SubtractSymbol.Present = 1; |
2676 | if (sub != nullptr) |
2677 | op_info->SubtractSymbol.Name = sub; |
2678 | else |
2679 | op_info->SubtractSymbol.Value = pair_r_value; |
2680 | op_info->Value = offset; |
2681 | return 1; |
2682 | } |
2683 | return 0; |
2684 | } |
2685 | if (Arch == Triple::x86_64) { |
2686 | if (Size != 1 && Size != 2 && Size != 4 && Size != 0) |
2687 | return 0; |
2688 | |
2689 | |
2690 | |
2691 | if (info->O->getHeader().filetype != MachO::MH_OBJECT) { |
2692 | uint64_t seg_offset = Pc + Offset; |
2693 | bool reloc_found = false; |
2694 | DataRefImpl Rel; |
2695 | MachO::any_relocation_info RE; |
2696 | bool isExtern = false; |
2697 | SymbolRef Symbol; |
2698 | for (const RelocationRef &Reloc : info->O->external_relocations()) { |
2699 | uint64_t RelocOffset = Reloc.getOffset(); |
2700 | if (RelocOffset == seg_offset) { |
2701 | Rel = Reloc.getRawDataRefImpl(); |
2702 | RE = info->O->getRelocation(Rel); |
2703 | |
2704 | isExtern = info->O->getPlainRelocationExternal(RE); |
2705 | if (isExtern) { |
2706 | symbol_iterator RelocSym = Reloc.getSymbol(); |
2707 | Symbol = *RelocSym; |
2708 | } |
2709 | reloc_found = true; |
2710 | break; |
2711 | } |
2712 | } |
2713 | if (reloc_found && isExtern) { |
2714 | |
2715 | |
2716 | |
2717 | if (info->O->getAnyRelocationPCRel(RE)) |
2718 | op_info->Value -= Pc + Offset + Size; |
2719 | const char *name = |
2720 | unwrapOrError(Symbol.getName(), info->O->getFileName()).data(); |
2721 | op_info->AddSymbol.Present = 1; |
2722 | op_info->AddSymbol.Name = name; |
2723 | return 1; |
2724 | } |
2725 | return 0; |
2726 | } |
2727 | |
2728 | |
2729 | uint64_t sect_addr = info->S.getAddress(); |
2730 | uint64_t sect_offset = (Pc + Offset) - sect_addr; |
2731 | bool reloc_found = false; |
2732 | DataRefImpl Rel; |
2733 | MachO::any_relocation_info RE; |
2734 | bool isExtern = false; |
2735 | SymbolRef Symbol; |
2736 | for (const RelocationRef &Reloc : info->S.relocations()) { |
2737 | uint64_t RelocOffset = Reloc.getOffset(); |
2738 | if (RelocOffset == sect_offset) { |
2739 | Rel = Reloc.getRawDataRefImpl(); |
2740 | RE = info->O->getRelocation(Rel); |
2741 | |
2742 | isExtern = info->O->getPlainRelocationExternal(RE); |
2743 | if (isExtern) { |
2744 | symbol_iterator RelocSym = Reloc.getSymbol(); |
2745 | Symbol = *RelocSym; |
2746 | } |
2747 | reloc_found = true; |
2748 | break; |
2749 | } |
2750 | } |
2751 | if (reloc_found && isExtern) { |
2752 | |
2753 | |
2754 | |
2755 | if (info->O->getAnyRelocationPCRel(RE)) |
2756 | op_info->Value -= Pc + Offset + Size; |
2757 | const char *name = |
2758 | unwrapOrError(Symbol.getName(), info->O->getFileName()).data(); |
2759 | unsigned Type = info->O->getAnyRelocationType(RE); |
2760 | if (Type == MachO::X86_64_RELOC_SUBTRACTOR) { |
2761 | DataRefImpl RelNext = Rel; |
2762 | info->O->moveRelocationNext(RelNext); |
2763 | MachO::any_relocation_info RENext = info->O->getRelocation(RelNext); |
2764 | unsigned TypeNext = info->O->getAnyRelocationType(RENext); |
2765 | bool isExternNext = info->O->getPlainRelocationExternal(RENext); |
2766 | unsigned SymbolNum = info->O->getPlainRelocationSymbolNum(RENext); |
2767 | if (TypeNext == MachO::X86_64_RELOC_UNSIGNED && isExternNext) { |
2768 | op_info->SubtractSymbol.Present = 1; |
2769 | op_info->SubtractSymbol.Name = name; |
2770 | symbol_iterator RelocSymNext = info->O->getSymbolByIndex(SymbolNum); |
2771 | Symbol = *RelocSymNext; |
2772 | name = unwrapOrError(Symbol.getName(), info->O->getFileName()).data(); |
2773 | } |
2774 | } |
2775 | |
2776 | |
2777 | op_info->AddSymbol.Present = 1; |
2778 | op_info->AddSymbol.Name = name; |
2779 | return 1; |
2780 | } |
2781 | return 0; |
2782 | } |
2783 | if (Arch == Triple::arm) { |
2784 | if (Offset != 0 || (Size != 4 && Size != 2)) |
2785 | return 0; |
2786 | if (info->O->getHeader().filetype != MachO::MH_OBJECT) { |
2787 | |
2788 | |
2789 | |
2790 | |
2791 | return 0; |
2792 | } |
2793 | |
2794 | |
2795 | uint32_t sect_addr = info->S.getAddress(); |
2796 | uint32_t sect_offset = (Pc + Offset) - sect_addr; |
2797 | DataRefImpl Rel; |
2798 | MachO::any_relocation_info RE; |
2799 | bool isExtern = false; |
2800 | SymbolRef Symbol; |
2801 | bool r_scattered = false; |
2802 | uint32_t r_value, pair_r_value, r_type, r_length, other_half; |
2803 | auto Reloc = |
2804 | find_if(info->S.relocations(), [&](const RelocationRef &Reloc) { |
2805 | uint64_t RelocOffset = Reloc.getOffset(); |
2806 | return RelocOffset == sect_offset; |
2807 | }); |
2808 | |
2809 | if (Reloc == info->S.relocations().end()) |
2810 | return 0; |
2811 | |
2812 | Rel = Reloc->getRawDataRefImpl(); |
2813 | RE = info->O->getRelocation(Rel); |
2814 | r_length = info->O->getAnyRelocationLength(RE); |
2815 | r_scattered = info->O->isRelocationScattered(RE); |
2816 | if (r_scattered) { |
2817 | r_value = info->O->getScatteredRelocationValue(RE); |
2818 | r_type = info->O->getScatteredRelocationType(RE); |
2819 | } else { |
2820 | r_type = info->O->getAnyRelocationType(RE); |
2821 | isExtern = info->O->getPlainRelocationExternal(RE); |
2822 | if (isExtern) { |
2823 | symbol_iterator RelocSym = Reloc->getSymbol(); |
2824 | Symbol = *RelocSym; |
2825 | } |
2826 | } |
2827 | if (r_type == MachO::ARM_RELOC_HALF || |
2828 | r_type == MachO::ARM_RELOC_SECTDIFF || |
2829 | r_type == MachO::ARM_RELOC_LOCAL_SECTDIFF || |
2830 | r_type == MachO::ARM_RELOC_HALF_SECTDIFF) { |
2831 | DataRefImpl RelNext = Rel; |
2832 | info->O->moveRelocationNext(RelNext); |
2833 | MachO::any_relocation_info RENext; |
2834 | RENext = info->O->getRelocation(RelNext); |
2835 | other_half = info->O->getAnyRelocationAddress(RENext) & 0xffff; |
2836 | if (info->O->isRelocationScattered(RENext)) |
2837 | pair_r_value = info->O->getScatteredRelocationValue(RENext); |
2838 | } |
2839 | |
2840 | if (isExtern) { |
2841 | const char *name = |
2842 | unwrapOrError(Symbol.getName(), info->O->getFileName()).data(); |
2843 | op_info->AddSymbol.Present = 1; |
2844 | op_info->AddSymbol.Name = name; |
2845 | switch (r_type) { |
2846 | case MachO::ARM_RELOC_HALF: |
2847 | if ((r_length & 0x1) == 1) { |
2848 | op_info->Value = value << 16 | other_half; |
2849 | op_info->VariantKind = LLVMDisassembler_VariantKind_ARM_HI16; |
2850 | } else { |
2851 | op_info->Value = other_half << 16 | value; |
2852 | op_info->VariantKind = LLVMDisassembler_VariantKind_ARM_LO16; |
2853 | } |
2854 | break; |
2855 | default: |
2856 | break; |
2857 | } |
2858 | return 1; |
2859 | } |
2860 | |
2861 | |
2862 | |
2863 | |
2864 | if (isExtern == 0 && (r_type == MachO::ARM_RELOC_BR24 || |
2865 | r_type == MachO::ARM_THUMB_RELOC_BR22)) |
2866 | return 0; |
2867 | |
2868 | uint32_t offset = 0; |
2869 | if (r_type == MachO::ARM_RELOC_HALF || |
2870 | r_type == MachO::ARM_RELOC_HALF_SECTDIFF) { |
2871 | if ((r_length & 0x1) == 1) |
2872 | value = value << 16 | other_half; |
2873 | else |
2874 | value = other_half << 16 | value; |
2875 | } |
2876 | if (r_scattered && (r_type != MachO::ARM_RELOC_HALF && |
2877 | r_type != MachO::ARM_RELOC_HALF_SECTDIFF)) { |
2878 | offset = value - r_value; |
2879 | value = r_value; |
2880 | } |
2881 | |
2882 | if (r_type == MachO::ARM_RELOC_HALF_SECTDIFF) { |
2883 | if ((r_length & 0x1) == 1) |
2884 | op_info->VariantKind = LLVMDisassembler_VariantKind_ARM_HI16; |
2885 | else |
2886 | op_info->VariantKind = LLVMDisassembler_VariantKind_ARM_LO16; |
2887 | const char *add = GuessSymbolName(r_value, info->AddrMap); |
2888 | const char *sub = GuessSymbolName(pair_r_value, info->AddrMap); |
2889 | int32_t offset = value - (r_value - pair_r_value); |
2890 | op_info->AddSymbol.Present = 1; |
2891 | if (add != nullptr) |
2892 | op_info->AddSymbol.Name = add; |
2893 | else |
2894 | op_info->AddSymbol.Value = r_value; |
2895 | op_info->SubtractSymbol.Present = 1; |
2896 | if (sub != nullptr) |
2897 | op_info->SubtractSymbol.Name = sub; |
2898 | else |
2899 | op_info->SubtractSymbol.Value = pair_r_value; |
2900 | op_info->Value = offset; |
2901 | return 1; |
2902 | } |
2903 | |
2904 | op_info->AddSymbol.Present = 1; |
2905 | op_info->Value = offset; |
2906 | if (r_type == MachO::ARM_RELOC_HALF) { |
2907 | if ((r_length & 0x1) == 1) |
2908 | op_info->VariantKind = LLVMDisassembler_VariantKind_ARM_HI16; |
2909 | else |
2910 | op_info->VariantKind = LLVMDisassembler_VariantKind_ARM_LO16; |
2911 | } |
2912 | const char *add = GuessSymbolName(value, info->AddrMap); |
2913 | if (add != nullptr) { |
2914 | op_info->AddSymbol.Name = add; |
2915 | return 1; |
2916 | } |
2917 | op_info->AddSymbol.Value = value; |
2918 | return 1; |
2919 | } |
2920 | if (Arch == Triple::aarch64) { |
2921 | if (Offset != 0 || Size != 4) |
2922 | return 0; |
2923 | if (info->O->getHeader().filetype != MachO::MH_OBJECT) { |
2924 | |
2925 | |
2926 | |
2927 | |
2928 | return 0; |
2929 | } |
2930 | |
2931 | |
2932 | uint64_t sect_addr = info->S.getAddress(); |
2933 | uint64_t sect_offset = (Pc + Offset) - sect_addr; |
2934 | auto Reloc = |
2935 | find_if(info->S.relocations(), [&](const RelocationRef &Reloc) { |
2936 | uint64_t RelocOffset = Reloc.getOffset(); |
2937 | return RelocOffset == sect_offset; |
2938 | }); |
2939 | |
2940 | if (Reloc == info->S.relocations().end()) |
2941 | return 0; |
2942 | |
2943 | DataRefImpl Rel = Reloc->getRawDataRefImpl(); |
2944 | MachO::any_relocation_info RE = info->O->getRelocation(Rel); |
2945 | uint32_t r_type = info->O->getAnyRelocationType(RE); |
2946 | if (r_type == MachO::ARM64_RELOC_ADDEND) { |
2947 | DataRefImpl RelNext = Rel; |
2948 | info->O->moveRelocationNext(RelNext); |
2949 | MachO::any_relocation_info RENext = info->O->getRelocation(RelNext); |
2950 | if (value == 0) { |
2951 | value = info->O->getPlainRelocationSymbolNum(RENext); |
2952 | op_info->Value = value; |
2953 | } |
2954 | } |
2955 | |
2956 | if (!info->O->getPlainRelocationExternal(RE)) |
2957 | return 0; |
2958 | const char *name = |
2959 | unwrapOrError(Reloc->getSymbol()->getName(), info->O->getFileName()) |
2960 | .data(); |
2961 | op_info->AddSymbol.Present = 1; |
2962 | op_info->AddSymbol.Name = name; |
2963 | |
2964 | switch (r_type) { |
2965 | case MachO::ARM64_RELOC_PAGE21: |
2966 | |
2967 | op_info->VariantKind = LLVMDisassembler_VariantKind_ARM64_PAGE; |
2968 | break; |
2969 | case MachO::ARM64_RELOC_PAGEOFF12: |
2970 | |
2971 | op_info->VariantKind = LLVMDisassembler_VariantKind_ARM64_PAGEOFF; |
2972 | break; |
2973 | case MachO::ARM64_RELOC_GOT_LOAD_PAGE21: |
2974 | |
2975 | op_info->VariantKind = LLVMDisassembler_VariantKind_ARM64_GOTPAGE; |
2976 | break; |
2977 | case MachO::ARM64_RELOC_GOT_LOAD_PAGEOFF12: |
2978 | |
2979 | op_info->VariantKind = LLVMDisassembler_VariantKind_ARM64_GOTPAGEOFF; |
2980 | break; |
2981 | case MachO::ARM64_RELOC_TLVP_LOAD_PAGE21: |
2982 | |
2983 | op_info->VariantKind = LLVMDisassembler_VariantKind_ARM64_TLVP; |
2984 | break; |
2985 | case MachO::ARM64_RELOC_TLVP_LOAD_PAGEOFF12: |
2986 | |
2987 | op_info->VariantKind = LLVMDisassembler_VariantKind_ARM64_TLVOFF; |
2988 | break; |
2989 | default: |
2990 | case MachO::ARM64_RELOC_BRANCH26: |
2991 | op_info->VariantKind = LLVMDisassembler_VariantKind_None; |
2992 | break; |
2993 | } |
2994 | return 1; |
2995 | } |
2996 | return 0; |
2997 | } |
2998 | |
2999 | |
3000 | |
3001 | |
3002 | static const char *GuessCstringPointer(uint64_t ReferenceValue, |
3003 | struct DisassembleInfo *info) { |
3004 | for (const auto &Load : info->O->load_commands()) { |
3005 | if (Load.C.cmd == MachO::LC_SEGMENT_64) { |
3006 | MachO::segment_command_64 Seg = info->O->getSegment64LoadCommand(Load); |
3007 | for (unsigned J = 0; J < Seg.nsects; ++J) { |
3008 | MachO::section_64 Sec = info->O->getSection64(Load, J); |
3009 | uint32_t section_type = Sec.flags & MachO::SECTION_TYPE; |
3010 | if (section_type == MachO::S_CSTRING_LITERALS && |
3011 | ReferenceValue >= Sec.addr && |
3012 | ReferenceValue < Sec.addr + Sec.size) { |
3013 | uint64_t sect_offset = ReferenceValue - Sec.addr; |
3014 | uint64_t object_offset = Sec.offset + sect_offset; |
3015 | StringRef MachOContents = info->O->getData(); |
3016 | uint64_t object_size = MachOContents.size(); |
3017 | const char *object_addr = (const char *)MachOContents.data(); |
3018 | if (object_offset < object_size) { |
3019 | const char *name = object_addr + object_offset; |
3020 | return name; |
3021 | } else { |
3022 | return nullptr; |
3023 | } |
3024 | } |
3025 | } |
3026 | } else if (Load.C.cmd == MachO::LC_SEGMENT) { |
3027 | MachO::segment_command Seg = info->O->getSegmentLoadCommand(Load); |
3028 | for (unsigned J = 0; J < Seg.nsects; ++J) { |
3029 | MachO::section Sec = info->O->getSection(Load, J); |
3030 | uint32_t section_type = Sec.flags & MachO::SECTION_TYPE; |
3031 | if (section_type == MachO::S_CSTRING_LITERALS && |
3032 | ReferenceValue >= Sec.addr && |
3033 | ReferenceValue < Sec.addr + Sec.size) { |
3034 | uint64_t sect_offset = ReferenceValue - Sec.addr; |
3035 | uint64_t object_offset = Sec.offset + sect_offset; |
3036 | StringRef MachOContents = info->O->getData(); |
3037 | uint64_t object_size = MachOContents.size(); |
3038 | const char *object_addr = (const char *)MachOContents.data(); |
3039 | if (object_offset < object_size) { |
3040 | const char *name = object_addr + object_offset; |
3041 | return name; |
3042 | } else { |
3043 | return nullptr; |
3044 | } |
3045 | } |
3046 | } |
3047 | } |
3048 | } |
3049 | return nullptr; |
3050 | } |
3051 | |
3052 | |
3053 | |
3054 | |
3055 | |
3056 | static const char *GuessIndirectSymbol(uint64_t ReferenceValue, |
3057 | struct DisassembleInfo *info) { |
3058 | MachO::dysymtab_command Dysymtab = info->O->getDysymtabLoadCommand(); |
3059 | MachO::symtab_command Symtab = info->O->getSymtabLoadCommand(); |
3060 | for (const auto &Load : info->O->load_commands()) { |
3061 | if (Load.C.cmd == MachO::LC_SEGMENT_64) { |
3062 | MachO::segment_command_64 Seg = info->O->getSegment64LoadCommand(Load); |
3063 | for (unsigned J = 0; J < Seg.nsects; ++J) { |
3064 | MachO::section_64 Sec = info->O->getSection64(Load, J); |
3065 | uint32_t section_type = Sec.flags & MachO::SECTION_TYPE; |
3066 | if ((section_type == MachO::S_NON_LAZY_SYMBOL_POINTERS || |
3067 | section_type == MachO::S_LAZY_SYMBOL_POINTERS || |
3068 | section_type == MachO::S_LAZY_DYLIB_SYMBOL_POINTERS || |
3069 | section_type == MachO::S_THREAD_LOCAL_VARIABLE_POINTERS || |
3070 | section_type == MachO::S_SYMBOL_STUBS) && |
3071 | ReferenceValue >= Sec.addr && |
3072 | ReferenceValue < Sec.addr + Sec.size) { |
3073 | uint32_t stride; |
3074 | if (section_type == MachO::S_SYMBOL_STUBS) |
3075 | stride = Sec.reserved2; |
3076 | else |
3077 | stride = 8; |
3078 | if (stride == 0) |
3079 | return nullptr; |
3080 | uint32_t index = Sec.reserved1 + (ReferenceValue - Sec.addr) / stride; |
3081 | if (index < Dysymtab.nindirectsyms) { |
3082 | uint32_t indirect_symbol = |
3083 | info->O->getIndirectSymbolTableEntry(Dysymtab, index); |
3084 | if (indirect_symbol < Symtab.nsyms) { |
3085 | symbol_iterator Sym = info->O->getSymbolByIndex(indirect_symbol); |
3086 | return unwrapOrError(Sym->getName(), info->O->getFileName()) |
3087 | .data(); |
3088 | } |
3089 | } |
3090 | } |
3091 | } |
3092 | } else if (Load.C.cmd == MachO::LC_SEGMENT) { |
3093 | MachO::segment_command Seg = info->O->getSegmentLoadCommand(Load); |
3094 | for (unsigned J = 0; J < Seg.nsects; ++J) { |
3095 | MachO::section Sec = info->O->getSection(Load, J); |
3096 | uint32_t section_type = Sec.flags & MachO::SECTION_TYPE; |
3097 | if ((section_type == MachO::S_NON_LAZY_SYMBOL_POINTERS || |
3098 | section_type == MachO::S_LAZY_SYMBOL_POINTERS || |
3099 | section_type == MachO::S_LAZY_DYLIB_SYMBOL_POINTERS || |
3100 | section_type == MachO::S_THREAD_LOCAL_VARIABLE_POINTERS || |
3101 | section_type == MachO::S_SYMBOL_STUBS) && |
3102 | ReferenceValue >= Sec.addr && |
3103 | ReferenceValue < Sec.addr + Sec.size) { |
3104 | uint32_t stride; |
3105 | if (section_type == MachO::S_SYMBOL_STUBS) |
3106 | stride = Sec.reserved2; |
3107 | else |
3108 | stride = 4; |
3109 | if (stride == 0) |
3110 | return nullptr; |
3111 | uint32_t index = Sec.reserved1 + (ReferenceValue - Sec.addr) / stride; |
3112 | if (index < Dysymtab.nindirectsyms) { |
3113 | uint32_t indirect_symbol = |
3114 | info->O->getIndirectSymbolTableEntry(Dysymtab, index); |
3115 | if (indirect_symbol < Symtab.nsyms) { |
3116 | symbol_iterator Sym = info->O->getSymbolByIndex(indirect_symbol); |
3117 | return unwrapOrError(Sym->getName(), info->O->getFileName()) |
3118 | .data(); |
3119 | } |
3120 | } |
3121 | } |
3122 | } |
3123 | } |
3124 | } |
3125 | return nullptr; |
3126 | } |
3127 | |
3128 | |
3129 | |
3130 | |
3131 | |
3132 | |
3133 | |
3134 | |
3135 | |
3136 | |
3137 | static void method_reference(struct DisassembleInfo *info, |
3138 | uint64_t *ReferenceType, |
3139 | const char **ReferenceName) { |
3140 | unsigned int Arch = info->O->getArch(); |
3141 | if (*ReferenceName != nullptr) { |
3142 | if (strcmp(*ReferenceName, "_objc_msgSend") == 0) { |
3143 | if (info->selector_name != nullptr) { |
3144 | if (info->class_name != nullptr) { |
3145 | info->method = std::make_unique<char[]>( |
3146 | 5 + strlen(info->class_name) + strlen(info->selector_name)); |
3147 | char *method = info->method.get(); |
3148 | if (method != nullptr) { |
3149 | strcpy(method, "+["); |
3150 | strcat(method, info->class_name); |
3151 | strcat(method, " "); |
3152 | strcat(method, info->selector_name); |
3153 | strcat(method, "]"); |
3154 | *ReferenceName = method; |
3155 | *ReferenceType = LLVMDisassembler_ReferenceType_Out_Objc_Message; |
3156 | } |
3157 | } else { |
3158 | info->method = |
3159 | std::make_unique<char[]>(9 + strlen(info->selector_name)); |
3160 | char *method = info->method.get(); |
3161 | if (method != nullptr) { |
3162 | if (Arch == Triple::x86_64) |
3163 | strcpy(method, "-[%rdi "); |
3164 | else if (Arch == Triple::aarch64) |
3165 | strcpy(method, "-[x0 "); |
3166 | else |
3167 | strcpy(method, "-[r? "); |
3168 | strcat(method, info->selector_name); |
3169 | strcat(method, "]"); |
3170 | *ReferenceName = method; |
3171 | *ReferenceType = LLVMDisassembler_ReferenceType_Out_Objc_Message; |
3172 | } |
3173 | } |
3174 | info->class_name = nullptr; |
3175 | } |
3176 | } else if (strcmp(*ReferenceName, "_objc_msgSendSuper2") == 0) { |
3177 | if (info->selector_name != nullptr) { |
3178 | info->method = |
3179 | std::make_unique<char[]>(17 + strlen(info->selector_name)); |
3180 | char *method = info->method.get(); |
3181 | if (method != nullptr) { |
3182 | if (Arch == Triple::x86_64) |
3183 | strcpy(method, "-[[%rdi super] "); |
3184 | else if (Arch == Triple::aarch64) |
3185 | strcpy(method, "-[[x0 super] "); |
3186 | else |
3187 | strcpy(method, "-[[r? super] "); |
3188 | strcat(method, info->selector_name); |
3189 | strcat(method, "]"); |
3190 | *ReferenceName = method; |
3191 | *ReferenceType = LLVMDisassembler_ReferenceType_Out_Objc_Message; |
3192 | } |
3193 | info->class_name = nullptr; |
3194 | } |
3195 | } |
3196 | } |
3197 | } |
3198 | |
3199 | |
3200 | |
3201 | |
3202 | |
3203 | static uint64_t GuessPointerPointer(uint64_t ReferenceValue, |
3204 | struct DisassembleInfo *info, |
3205 | bool &classref, bool &selref, bool &msgref, |
3206 | bool &cfstring) { |
3207 | classref = false; |
3208 | selref = false; |
3209 | msgref = false; |
3210 | cfstring = false; |
3211 | for (const auto &Load : info->O->load_commands()) { |
3212 | if (Load.C.cmd == MachO::LC_SEGMENT_64) { |
3213 | MachO::segment_command_64 Seg = info->O->getSegment64LoadCommand(Load); |
3214 | for (unsigned J = 0; J < Seg.nsects; ++J) { |
3215 | MachO::section_64 Sec = info->O->getSection64(Load, J); |
3216 | if ((strncmp(Sec.sectname, "__objc_selrefs", 16) == 0 || |
3217 | strncmp(Sec.sectname, "__objc_classrefs", 16) == 0 || |
3218 | strncmp(Sec.sectname, "__objc_superrefs", 16) == 0 || |
3219 | strncmp(Sec.sectname, "__objc_msgrefs", 16) == 0 || |
3220 | strncmp(Sec.sectname, "__cfstring", 16) == 0) && |
3221 | ReferenceValue >= Sec.addr && |
3222 | ReferenceValue < Sec.addr + Sec.size) { |
3223 | uint64_t sect_offset = ReferenceValue - Sec.addr; |
3224 | uint64_t object_offset = Sec.offset + sect_offset; |
3225 | StringRef MachOContents = info->O->getData(); |
3226 | uint64_t object_size = MachOContents.size(); |
3227 | const char *object_addr = (const char *)MachOContents.data(); |
3228 | if (object_offset < object_size) { |
3229 | uint64_t pointer_value; |
3230 | memcpy(&pointer_value, object_addr + object_offset, |
3231 | sizeof(uint64_t)); |
3232 | if (info->O->isLittleEndian() != sys::IsLittleEndianHost) |
3233 | sys::swapByteOrder(pointer_value); |
3234 | if (strncmp(Sec.sectname, "__objc_selrefs", 16) == 0) |
3235 | selref = true; |
3236 | else if (strncmp(Sec.sectname, "__objc_classrefs", 16) == 0 || |
3237 | strncmp(Sec.sectname, "__objc_superrefs", 16) == 0) |
3238 | classref = true; |
3239 | else if (strncmp(Sec.sectname, "__objc_msgrefs", 16) == 0 && |
3240 | ReferenceValue + 8 < Sec.addr + Sec.size) { |
3241 | msgref = true; |
3242 | memcpy(&pointer_value, object_addr + object_offset + 8, |
3243 | sizeof(uint64_t)); |
3244 | if (info->O->isLittleEndian() != sys::IsLittleEndianHost) |
3245 | sys::swapByteOrder(pointer_value); |
3246 | } else if (strncmp(Sec.sectname, "__cfstring", 16) == 0) |
3247 | cfstring = true; |
3248 | return pointer_value; |
3249 | } else { |
3250 | return 0; |
3251 | } |
3252 | } |
3253 | } |
3254 | } |
3255 | |
3256 | } |
3257 | return 0; |
3258 | } |
3259 | |
3260 | |
3261 | |
3262 | |
3263 | |
3264 | |
3265 | static const char *get_pointer_64(uint64_t Address, uint32_t &offset, |
3266 | uint32_t &left, SectionRef &S, |
3267 | DisassembleInfo *info, |
3268 | bool objc_only = false) { |
3269 | offset = 0; |
3270 | left = 0; |
3271 | S = SectionRef(); |
3272 | for (unsigned SectIdx = 0; SectIdx != info->Sections->size(); SectIdx++) { |
3273 | uint64_t SectAddress = ((*(info->Sections))[SectIdx]).getAddress(); |
3274 | uint64_t SectSize = ((*(info->Sections))[SectIdx]).getSize(); |
3275 | if (SectSize == 0) |
3276 | continue; |
3277 | if (objc_only) { |
3278 | StringRef SectName; |
3279 | Expected<StringRef> SecNameOrErr = |
3280 | ((*(info->Sections))[SectIdx]).getName(); |
3281 | if (SecNameOrErr) |
3282 | SectName = *SecNameOrErr; |
3283 | else |
3284 | consumeError(SecNameOrErr.takeError()); |
3285 | |
3286 | DataRefImpl Ref = ((*(info->Sections))[SectIdx]).getRawDataRefImpl(); |
3287 | StringRef SegName = info->O->getSectionFinalSegmentName(Ref); |
3288 | if (SegName != "__OBJC" && SectName != "__cstring") |
3289 | continue; |
3290 | } |
3291 | if (Address >= SectAddress && Address < SectAddress + SectSize) { |
3292 | S = (*(info->Sections))[SectIdx]; |
3293 | offset = Address - SectAddress; |
3294 | left = SectSize - offset; |
3295 | StringRef SectContents = unwrapOrError( |
3296 | ((*(info->Sections))[SectIdx]).getContents(), info->O->getFileName()); |
3297 | return SectContents.data() + offset; |
3298 | } |
3299 | } |
3300 | return nullptr; |
3301 | } |
3302 | |
3303 | static const char *get_pointer_32(uint32_t Address, uint32_t &offset, |
3304 | uint32_t &left, SectionRef &S, |
3305 | DisassembleInfo *info, |
3306 | bool objc_only = false) { |
3307 | return get_pointer_64(Address, offset, left, S, info, objc_only); |
3308 | } |
3309 | |
3310 | |
3311 | |
3312 | |
3313 | |
3314 | |
3315 | static const char *get_symbol_64(uint32_t sect_offset, SectionRef S, |
3316 | DisassembleInfo *info, uint64_t &n_value, |
3317 | uint64_t ReferenceValue = 0) { |
3318 | n_value = 0; |
3319 | if (!info->verbose) |
3320 | return nullptr; |
3321 | |
3322 | |
3323 | bool reloc_found = false; |
3324 | DataRefImpl Rel; |
3325 | MachO::any_relocation_info RE; |
3326 | bool isExtern = false; |
3327 | SymbolRef Symbol; |
3328 | for (const RelocationRef &Reloc : S.relocations()) { |
3329 | uint64_t RelocOffset = Reloc.getOffset(); |
3330 | if (RelocOffset == sect_offset) { |
3331 | Rel = Reloc.getRawDataRefImpl(); |
3332 | RE = info->O->getRelocation(Rel); |
3333 | if (info->O->isRelocationScattered(RE)) |
3334 | continue; |
3335 | isExtern = info->O->getPlainRelocationExternal(RE); |
3336 | if (isExtern) { |
3337 | symbol_iterator RelocSym = Reloc.getSymbol(); |
3338 | Symbol = *RelocSym; |
3339 | } |
3340 | reloc_found = true; |
3341 | break; |
3342 | } |
3343 | } |
3344 | |
3345 | |
3346 | |
3347 | const char *SymbolName = nullptr; |
3348 | if (reloc_found && isExtern) { |
3349 | n_value = cantFail(Symbol.getValue()); |
3350 | StringRef Name = unwrapOrError(Symbol.getName(), info->O->getFileName()); |
3351 | if (!Name.empty()) { |
3352 | SymbolName = Name.data(); |
3353 | return SymbolName; |
3354 | } |
3355 | } |
3356 | |
3357 | |
3358 | |
3359 | |
3360 | |
3361 | |
3362 | |
3363 | |
3364 | |
3365 | |
3366 | |
3367 | |
3368 | SymbolName = GuessSymbolName(ReferenceValue, info->AddrMap); |
3369 | |
3370 | return SymbolName; |
3371 | } |
3372 | |
3373 | static const char *get_symbol_32(uint32_t sect_offset, SectionRef S, |
3374 | DisassembleInfo *info, |
3375 | uint32_t ReferenceValue) { |
3376 | uint64_t n_value64; |
3377 | return get_symbol_64(sect_offset, S, info, n_value64, ReferenceValue); |
3378 | } |
3379 | |
3380 | namespace { |
3381 | |
3382 | |
3383 | |
3384 | |
3385 | |
3386 | |
3387 | |
3388 | struct cfstring64_t { |
3389 | uint64_t isa; |
3390 | uint64_t flags; |
3391 | uint64_t characters; |
3392 | uint64_t length; |
3393 | }; |
3394 | |
3395 | |
3396 | struct class64_t { |
3397 | uint64_t isa; |
3398 | uint64_t superclass; |
3399 | uint64_t cache; |
3400 | uint64_t vtable; |
3401 | uint64_t data; |
3402 | }; |
3403 | |
3404 | struct class32_t { |
3405 | uint32_t isa; |
3406 | uint32_t superclass; |
3407 | uint32_t cache; |
3408 | uint32_t vtable; |
3409 | uint32_t data; |
3410 | }; |
3411 | |
3412 | struct class_ro64_t { |
3413 | uint32_t flags; |
3414 | uint32_t instanceStart; |
3415 | uint32_t instanceSize; |
3416 | uint32_t reserved; |
3417 | uint64_t ivarLayout; |
3418 | uint64_t name; |
3419 | uint64_t baseMethods; |
3420 | uint64_t baseProtocols; |
3421 | uint64_t ivars; |
3422 | uint64_t weakIvarLayout; |
3423 | uint64_t baseProperties; |
3424 | }; |
3425 | |
3426 | struct class_ro32_t { |
3427 | uint32_t flags; |
3428 | uint32_t instanceStart; |
3429 | uint32_t instanceSize; |
3430 | uint32_t ivarLayout; |
3431 | uint32_t name; |
3432 | uint32_t baseMethods; |
3433 | uint32_t baseProtocols; |
3434 | uint32_t ivars; |
3435 | uint32_t weakIvarLayout; |
3436 | uint32_t baseProperties; |
3437 | |
3438 | }; |
3439 | |
3440 | |
3441 | #define RO_META (1 << 0) |
3442 | #define RO_ROOT (1 << 1) |
3443 | #define RO_HAS_CXX_STRUCTORS (1 << 2) |
3444 | |
3445 | struct method_list64_t { |
3446 | uint32_t entsize; |
3447 | uint32_t count; |
3448 | |
3449 | }; |
3450 | |
3451 | struct method_list32_t { |
3452 | uint32_t entsize; |
3453 | uint32_t count; |
3454 | |
3455 | }; |
3456 | |
3457 | struct method64_t { |
3458 | uint64_t name; |
3459 | uint64_t types; |
3460 | uint64_t imp; |
3461 | }; |
3462 | |
3463 | struct method32_t { |
3464 | uint32_t name; |
3465 | uint32_t types; |
3466 | uint32_t imp; |
3467 | }; |
3468 | |
3469 | struct protocol_list64_t { |
3470 | uint64_t count; |
3471 | |
3472 | }; |
3473 | |
3474 | struct protocol_list32_t { |
3475 | uint32_t count; |
3476 | |
3477 | }; |
3478 | |
3479 | struct protocol64_t { |
3480 | uint64_t isa; |
3481 | uint64_t name; |
3482 | uint64_t protocols; |
3483 | |
3484 | uint64_t instanceMethods; |
3485 | uint64_t classMethods; |
3486 | uint64_t optionalInstanceMethods; |
3487 | uint64_t optionalClassMethods; |
3488 | uint64_t instanceProperties; |
3489 | |
3490 | }; |
3491 | |
3492 | struct protocol32_t { |
3493 | uint32_t isa; |
3494 | uint32_t name; |
3495 | uint32_t protocols; |
3496 | |
3497 | uint32_t instanceMethods; |
3498 | uint32_t classMethods; |
3499 | uint32_t optionalInstanceMethods; |
3500 | uint32_t optionalClassMethods; |
3501 | uint32_t instanceProperties; |
3502 | |
3503 | }; |
3504 | |
3505 | struct ivar_list64_t { |
3506 | uint32_t entsize; |
3507 | uint32_t count; |
3508 | |
3509 | }; |
3510 | |
3511 | struct ivar_list32_t { |
3512 | uint32_t entsize; |
3513 | uint32_t count; |
3514 | |
3515 | }; |
3516 | |
3517 | struct ivar64_t { |
3518 | uint64_t offset; |
3519 | uint64_t name; |
3520 | uint64_t type; |
3521 | uint32_t alignment; |
3522 | uint32_t size; |
3523 | }; |
3524 | |
3525 | struct ivar32_t { |
3526 | uint32_t offset; |
3527 | uint32_t name; |
3528 | uint32_t type; |
3529 | uint32_t alignment; |
3530 | uint32_t size; |
3531 | }; |
3532 | |
3533 | struct objc_property_list64 { |
3534 | uint32_t entsize; |
3535 | uint32_t count; |
3536 | |
3537 | }; |
3538 | |
3539 | struct objc_property_list32 { |
3540 | uint32_t entsize; |
3541 | uint32_t count; |
3542 | |
3543 | }; |
3544 | |
3545 | struct objc_property64 { |
3546 | uint64_t name; |
3547 | uint64_t attributes; |
3548 | }; |
3549 | |
3550 | struct objc_property32 { |
3551 | uint32_t name; |
3552 | uint32_t attributes; |
3553 | }; |
3554 | |
3555 | struct category64_t { |
3556 | uint64_t name; |
3557 | uint64_t cls; |
3558 | uint64_t instanceMethods; |
3559 | uint64_t classMethods; |
3560 | uint64_t protocols; |
3561 | uint64_t instanceProperties; |
3562 | |
3563 | }; |
3564 | |
3565 | struct category32_t { |
3566 | uint32_t name; |
3567 | uint32_t cls; |
3568 | uint32_t instanceMethods; |
3569 | uint32_t classMethods; |
3570 | uint32_t protocols; |
3571 | uint32_t instanceProperties; |
3572 | |
3573 | }; |
3574 | |
3575 | struct objc_image_info64 { |
3576 | uint32_t version; |
3577 | uint32_t flags; |
3578 | }; |
3579 | struct objc_image_info32 { |
3580 | uint32_t version; |
3581 | uint32_t flags; |
3582 | }; |
3583 | struct imageInfo_t { |
3584 | uint32_t version; |
3585 | uint32_t flags; |
3586 | }; |
3587 | |
3588 | #define OBJC_IMAGE_IS_REPLACEMENT (1 << 0) |
3589 | #define OBJC_IMAGE_SUPPORTS_GC (1 << 1) |
3590 | #define OBJC_IMAGE_IS_SIMULATED (1 << 5) |
3591 | #define OBJC_IMAGE_HAS_CATEGORY_CLASS_PROPERTIES (1 << 6) |
3592 | |
3593 | struct message_ref64 { |
3594 | uint64_t imp; |
3595 | uint64_t sel; |
3596 | }; |
3597 | |
3598 | struct message_ref32 { |
3599 | uint32_t imp; |
3600 | uint32_t sel; |
3601 | }; |
3602 | |
3603 | |
3604 | |
3605 | struct objc_module_t { |
3606 | uint32_t version; |
3607 | uint32_t size; |
3608 | uint32_t name; |
3609 | uint32_t symtab; |
3610 | }; |
3611 | |
3612 | struct objc_symtab_t { |
3613 | uint32_t sel_ref_cnt; |
3614 | uint32_t refs; |
3615 | uint16_t cls_def_cnt; |
3616 | uint16_t cat_def_cnt; |
3617 | |
3618 | }; |
3619 | |
3620 | struct objc_class_t { |
3621 | uint32_t isa; |
3622 | uint32_t super_class; |
3623 | uint32_t name; |
3624 | int32_t version; |
3625 | int32_t info; |
3626 | int32_t instance_size; |
3627 | uint32_t ivars; |
3628 | uint32_t methodLists; |
3629 | uint32_t cache; |
3630 | uint32_t protocols; |
3631 | }; |
3632 | |
3633 | #define CLS_GETINFO(cls, infomask) ((cls)->info & (infomask)) |
3634 | |
3635 | #define CLS_CLASS 0x1 |
3636 | |
3637 | #define CLS_META 0x2 |
3638 | |
3639 | struct objc_category_t { |
3640 | uint32_t category_name; |
3641 | uint32_t class_name; |
3642 | uint32_t instance_methods; |
3643 | uint32_t class_methods; |
3644 | uint32_t protocols; |
3645 | }; |
3646 | |
3647 | struct objc_ivar_t { |
3648 | uint32_t ivar_name; |
3649 | uint32_t ivar_type; |
3650 | int32_t ivar_offset; |
3651 | }; |
3652 | |
3653 | struct objc_ivar_list_t { |
3654 | int32_t ivar_count; |
3655 | |
3656 | }; |
3657 | |
3658 | struct objc_method_list_t { |
3659 | uint32_t obsolete; |
3660 | int32_t method_count; |
3661 | |
3662 | }; |
3663 | |
3664 | struct objc_method_t { |
3665 | uint32_t method_name; |
3666 | uint32_t method_types; |
3667 | uint32_t method_imp; |
3668 | |
3669 | }; |
3670 | |
3671 | struct objc_protocol_list_t { |
3672 | uint32_t next; |
3673 | int32_t count; |
3674 | |
3675 | |
3676 | }; |
3677 | |
3678 | struct objc_protocol_t { |
3679 | uint32_t isa; |
3680 | uint32_t protocol_name; |
3681 | uint32_t protocol_list; |
3682 | uint32_t instance_methods; |
3683 | |
3684 | uint32_t class_methods; |
3685 | |
3686 | }; |
3687 | |
3688 | struct objc_method_description_list_t { |
3689 | int32_t count; |
3690 | |
3691 | }; |
3692 | |
3693 | struct objc_method_description_t { |
3694 | uint32_t name; |
3695 | uint32_t types; |
3696 | }; |
3697 | |
3698 | inline void swapStruct(struct cfstring64_t &cfs) { |
3699 | sys::swapByteOrder(cfs.isa); |
3700 | sys::swapByteOrder(cfs.flags); |
3701 | sys::swapByteOrder(cfs.characters); |
3702 | sys::swapByteOrder(cfs.length); |
3703 | } |
3704 | |
3705 | inline void swapStruct(struct class64_t &c) { |
3706 | sys::swapByteOrder(c.isa); |
3707 | sys::swapByteOrder(c.superclass); |
3708 | sys::swapByteOrder(c.cache); |
3709 | sys::swapByteOrder(c.vtable); |
3710 | sys::swapByteOrder(c.data); |
3711 | } |
3712 | |
3713 | inline void swapStruct(struct class32_t &c) { |
3714 | sys::swapByteOrder(c.isa); |
3715 | sys::swapByteOrder(c.superclass); |
3716 | sys::swapByteOrder(c.cache); |
3717 | sys::swapByteOrder(c.vtable); |
3718 | sys::swapByteOrder(c.data); |
3719 | } |
3720 | |
3721 | inline void swapStruct(struct class_ro64_t &cro) { |
3722 | sys::swapByteOrder(cro.flags); |
3723 | sys::swapByteOrder(cro.instanceStart); |
3724 | sys::swapByteOrder(cro.instanceSize); |
3725 | sys::swapByteOrder(cro.reserved); |
3726 | sys::swapByteOrder(cro.ivarLayout); |
3727 | sys::swapByteOrder(cro.name); |
3728 | sys::swapByteOrder(cro.baseMethods); |
3729 | sys::swapByteOrder(cro.baseProtocols); |
3730 | sys::swapByteOrder(cro.ivars); |
3731 | sys::swapByteOrder(cro.weakIvarLayout); |
3732 | sys::swapByteOrder(cro.baseProperties); |
3733 | } |
3734 | |
3735 | inline void swapStruct(struct class_ro32_t &cro) { |
3736 | sys::swapByteOrder(cro.flags); |
3737 | sys::swapByteOrder(cro.instanceStart); |
3738 | sys::swapByteOrder(cro.instanceSize); |
3739 | sys::swapByteOrder(cro.ivarLayout); |
3740 | sys::swapByteOrder(cro.name); |
3741 | sys::swapByteOrder(cro.baseMethods); |
3742 | sys::swapByteOrder(cro.baseProtocols); |
3743 | sys::swapByteOrder(cro.ivars); |
3744 | sys::swapByteOrder(cro.weakIvarLayout); |
3745 | sys::swapByteOrder(cro.baseProperties); |
3746 | } |
3747 | |
3748 | inline void swapStruct(struct method_list64_t &ml) { |
3749 | sys::swapByteOrder(ml.entsize); |
3750 | sys::swapByteOrder(ml.count); |
3751 | } |
3752 | |
3753 | inline void swapStruct(struct method_list32_t &ml) { |
3754 | sys::swapByteOrder(ml.entsize); |
3755 | sys::swapByteOrder(ml.count); |
3756 | } |
3757 | |
3758 | inline void swapStruct(struct method64_t &m) { |
3759 | sys::swapByteOrder(m.name); |
3760 | sys::swapByteOrder(m.types); |
3761 | sys::swapByteOrder(m.imp); |
3762 | } |
3763 | |
3764 | inline void swapStruct(struct method32_t &m) { |
3765 | sys::swapByteOrder(m.name); |
3766 | sys::swapByteOrder(m.types); |
3767 | sys::swapByteOrder(m.imp); |
3768 | } |
3769 | |
3770 | inline void swapStruct(struct protocol_list64_t &pl) { |
3771 | sys::swapByteOrder(pl.count); |
3772 | } |
3773 | |
3774 | inline void swapStruct(struct protocol_list32_t &pl) { |
3775 | sys::swapByteOrder(pl.count); |
3776 | } |
3777 | |
3778 | inline void swapStruct(struct protocol64_t &p) { |
3779 | sys::swapByteOrder(p.isa); |
3780 | sys::swapByteOrder(p.name); |
3781 | sys::swapByteOrder(p.protocols); |
3782 | sys::swapByteOrder(p.instanceMethods); |
3783 | sys::swapByteOrder(p.classMethods); |
3784 | sys::swapByteOrder(p.optionalInstanceMethods); |
3785 | sys::swapByteOrder(p.optionalClassMethods); |
3786 | sys::swapByteOrder(p.instanceProperties); |
3787 | } |
3788 | |
3789 | inline void swapStruct(struct protocol32_t &p) { |
3790 | sys::swapByteOrder(p.isa); |
3791 | sys::swapByteOrder(p.name); |
3792 | sys::swapByteOrder(p.protocols); |
3793 | sys::swapByteOrder(p.instanceMethods); |
3794 | sys::swapByteOrder(p.classMethods); |
3795 | sys::swapByteOrder(p.optionalInstanceMethods); |
3796 | sys::swapByteOrder(p.optionalClassMethods); |
3797 | sys::swapByteOrder(p.instanceProperties); |
3798 | } |
3799 | |
3800 | inline void swapStruct(struct ivar_list64_t &il) { |
3801 | sys::swapByteOrder(il.entsize); |
3802 | sys::swapByteOrder(il.count); |
3803 | } |
3804 | |
3805 | inline void swapStruct(struct ivar_list32_t &il) { |
3806 | sys::swapByteOrder(il.entsize); |
3807 | sys::swapByteOrder(il.count); |
3808 | } |
3809 | |
3810 | inline void swapStruct(struct ivar64_t &i) { |
3811 | sys::swapByteOrder(i.offset); |
3812 | sys::swapByteOrder(i.name); |
3813 | sys::swapByteOrder(i.type); |
3814 | sys::swapByteOrder(i.alignment); |
3815 | sys::swapByteOrder(i.size); |
3816 | } |
3817 | |
3818 | inline void swapStruct(struct ivar32_t &i) { |
3819 | sys::swapByteOrder(i.offset); |
3820 | sys::swapByteOrder(i.name); |
3821 | sys::swapByteOrder(i.type); |
3822 | sys::swapByteOrder(i.alignment); |
3823 | sys::swapByteOrder(i.size); |
3824 | } |
3825 | |
3826 | inline void swapStruct(struct objc_property_list64 &pl) { |
3827 | sys::swapByteOrder(pl.entsize); |
3828 | sys::swapByteOrder(pl.count); |
3829 | } |
3830 | |
3831 | inline void swapStruct(struct objc_property_list32 &pl) { |
3832 | sys::swapByteOrder(pl.entsize); |
3833 | sys::swapByteOrder(pl.count); |
3834 | } |
3835 | |
3836 | inline void swapStruct(struct objc_property64 &op) { |
3837 | sys::swapByteOrder(op.name); |
3838 | sys::swapByteOrder(op.attributes); |
3839 | } |
3840 | |
3841 | inline void swapStruct(struct objc_property32 &op) { |
3842 | sys::swapByteOrder(op.name); |
3843 | sys::swapByteOrder(op.attributes); |
3844 | } |
3845 | |
3846 | inline void swapStruct(struct category64_t &c) { |
3847 | sys::swapByteOrder(c.name); |
3848 | sys::swapByteOrder(c.cls); |
3849 | sys::swapByteOrder(c.instanceMethods); |
3850 | sys::swapByteOrder(c.classMethods); |
3851 | sys::swapByteOrder(c.protocols); |
3852 | sys::swapByteOrder(c.instanceProperties); |
3853 | } |
3854 | |
3855 | inline void swapStruct(struct category32_t &c) { |
3856 | sys::swapByteOrder(c.name); |
3857 | sys::swapByteOrder(c.cls); |
3858 | sys::swapByteOrder(c.instanceMethods); |
3859 | sys::swapByteOrder(c.classMethods); |
3860 | sys::swapByteOrder(c.protocols); |
3861 | sys::swapByteOrder(c.instanceProperties); |
3862 | } |
3863 | |
3864 | inline void swapStruct(struct objc_image_info64 &o) { |
3865 | sys::swapByteOrder(o.version); |
3866 | sys::swapByteOrder(o.flags); |
3867 | } |
3868 | |
3869 | inline void swapStruct(struct objc_image_info32 &o) { |
3870 | sys::swapByteOrder(o.version); |
3871 | sys::swapByteOrder(o.flags); |
3872 | } |
3873 | |
3874 | inline void swapStruct(struct imageInfo_t &o) { |
3875 | sys::swapByteOrder(o.version); |
3876 | sys::swapByteOrder(o.flags); |
3877 | } |
3878 | |
3879 | inline void swapStruct(struct message_ref64 &mr) { |
3880 | sys::swapByteOrder(mr.imp); |
3881 | sys::swapByteOrder(mr.sel); |
3882 | } |
3883 | |
3884 | inline void swapStruct(struct message_ref32 &mr) { |
3885 | sys::swapByteOrder(mr.imp); |
3886 | sys::swapByteOrder(mr.sel); |
3887 | } |
3888 | |
3889 | inline void swapStruct(struct objc_module_t &module) { |
3890 | sys::swapByteOrder(module.version); |
3891 | sys::swapByteOrder(module.size); |
3892 | sys::swapByteOrder(module.name); |
3893 | sys::swapByteOrder(module.symtab); |
3894 | } |
3895 | |
3896 | inline void swapStruct(struct objc_symtab_t &symtab) { |
3897 | sys::swapByteOrder(symtab.sel_ref_cnt); |
3898 | sys::swapByteOrder(symtab.refs); |
3899 | sys::swapByteOrder(symtab.cls_def_cnt); |
3900 | sys::swapByteOrder(symtab.cat_def_cnt); |
3901 | } |
3902 | |
3903 | inline void swapStruct(struct objc_class_t &objc_class) { |
3904 | sys::swapByteOrder(objc_class.isa); |
3905 | sys::swapByteOrder(objc_class.super_class); |
3906 | sys::swapByteOrder(objc_class.name); |
3907 | sys::swapByteOrder(objc_class.version); |
3908 | sys::swapByteOrder(objc_class.info); |
3909 | sys::swapByteOrder(objc_class.instance_size); |
3910 | sys::swapByteOrder(objc_class.ivars); |
3911 | sys::swapByteOrder(objc_class.methodLists); |
3912 | sys::swapByteOrder(objc_class.cache); |
3913 | sys::swapByteOrder(objc_class.protocols); |
3914 | } |
3915 | |
3916 | inline void swapStruct(struct objc_category_t &objc_category) { |
3917 | sys::swapByteOrder(objc_category.category_name); |
3918 | sys::swapByteOrder(objc_category.class_name); |
3919 | sys::swapByteOrder(objc_category.instance_methods); |
3920 | sys::swapByteOrder(objc_category.class_methods); |
3921 | sys::swapByteOrder(objc_category.protocols); |
3922 | } |
3923 | |
3924 | inline void swapStruct(struct objc_ivar_list_t &objc_ivar_list) { |
3925 | sys::swapByteOrder(objc_ivar_list.ivar_count); |
3926 | } |
3927 | |
3928 | inline void swapStruct(struct objc_ivar_t &objc_ivar) { |
3929 | sys::swapByteOrder(objc_ivar.ivar_name); |
3930 | sys::swapByteOrder(objc_ivar.ivar_type); |
3931 | sys::swapByteOrder(objc_ivar.ivar_offset); |
3932 | } |
3933 | |
3934 | inline void swapStruct(struct objc_method_list_t &method_list) { |
3935 | sys::swapByteOrder(method_list.obsolete); |
3936 | sys::swapByteOrder(method_list.method_count); |
3937 | } |
3938 | |
3939 | inline void swapStruct(struct objc_method_t &method) { |
3940 | sys::swapByteOrder(method.method_name); |
3941 | sys::swapByteOrder(method.method_types); |
3942 | sys::swapByteOrder(method.method_imp); |
3943 | } |
3944 | |
3945 | inline void swapStruct(struct objc_protocol_list_t &protocol_list) { |
3946 | sys::swapByteOrder(protocol_list.next); |
3947 | sys::swapByteOrder(protocol_list.count); |
3948 | } |
3949 | |
3950 | inline void swapStruct(struct objc_protocol_t &protocol) { |
3951 | sys::swapByteOrder(protocol.isa); |
3952 | sys::swapByteOrder(protocol.protocol_name); |
3953 | sys::swapByteOrder(protocol.protocol_list); |
3954 | sys::swapByteOrder(protocol.instance_methods); |
3955 | sys::swapByteOrder(protocol.class_methods); |
3956 | } |
3957 | |
3958 | inline void swapStruct(struct objc_method_description_list_t &mdl) { |
3959 | sys::swapByteOrder(mdl.count); |
3960 | } |
3961 | |
3962 | inline void swapStruct(struct objc_method_description_t &md) { |
3963 | sys::swapByteOrder(md.name); |
3964 | sys::swapByteOrder(md.types); |
3965 | } |
3966 | |
3967 | } |
3968 | |
3969 | static const char *get_dyld_bind_info_symbolname(uint64_t ReferenceValue, |
3970 | struct DisassembleInfo *info); |
3971 | |
3972 | |
3973 | |
3974 | |
3975 | |
3976 | |
3977 | static const char *get_objc2_64bit_class_name(uint64_t pointer_value, |
3978 | uint64_t ReferenceValue, |
3979 | struct DisassembleInfo *info) { |
3980 | const char *r; |
3981 | uint32_t offset, left; |
3982 | SectionRef S; |
3983 | |
3984 | |
3985 | |
3986 | |
3987 | if (pointer_value == 0) { |
3988 | r = get_pointer_64(ReferenceValue, offset, left, S, info); |
3989 | if (r == nullptr || left < sizeof(uint64_t)) |
3990 | return nullptr; |
3991 | uint64_t n_value; |
3992 | const char *symbol_name = get_symbol_64(offset, S, info, n_value); |
3993 | if (symbol_name == nullptr) |
3994 | return nullptr; |
3995 | const char *class_name = strrchr(symbol_name, '$'); |
3996 | if (class_name != nullptr && class_name[1] == '_' && class_name[2] != '\0') |
3997 | return class_name + 2; |
3998 | else |
3999 | return nullptr; |
4000 | } |
4001 | |
4002 | |
4003 | |
4004 | r = get_pointer_64(pointer_value, offset, left, S, info); |
4005 | if (r == nullptr || left < sizeof(struct class64_t)) |
4006 | return nullptr; |
4007 | struct class64_t c; |
4008 | memcpy(&c, r, sizeof(struct class64_t)); |
4009 | if (info->O->isLittleEndian() != sys::IsLittleEndianHost) |
4010 | swapStruct(c); |
4011 | if (c.data == 0) |
4012 | return nullptr; |
4013 | r = get_pointer_64(c.data, offset, left, S, info); |
4014 | if (r == nullptr || left < sizeof(struct class_ro64_t)) |
4015 | return nullptr; |
4016 | struct class_ro64_t cro; |
4017 | memcpy(&cro, r, sizeof(struct class_ro64_t)); |
4018 | if (info->O->isLittleEndian() != sys::IsLittleEndianHost) |
4019 | swapStruct(cro); |
4020 | if (cro.name == 0) |
4021 | return nullptr; |
4022 | const char *name = get_pointer_64(cro.name, offset, left, S, info); |
4023 | return name; |
4024 | } |
4025 | |
4026 | |
4027 | |
4028 | static const char *get_objc2_64bit_cfstring_name(uint64_t ReferenceValue, |
4029 | struct DisassembleInfo *info) { |
4030 | const char *r, *name; |
4031 | uint32_t offset, left; |
4032 | SectionRef S; |
4033 | struct cfstring64_t cfs; |
4034 | uint64_t cfs_characters; |
4035 | |
4036 | r = get_pointer_64(ReferenceValue, offset, left, S, info); |
4037 | if (r == nullptr || left < sizeof(struct cfstring64_t)) |
4038 | return nullptr; |
4039 | memcpy(&cfs, r, sizeof(struct cfstring64_t)); |
4040 | if (info->O->isLittleEndian() != sys::IsLittleEndianHost) |
4041 | swapStruct(cfs); |
4042 | if (cfs.characters == 0) { |
4043 | uint64_t n_value; |
4044 | const char *symbol_name = get_symbol_64( |
4045 | offset + offsetof(struct cfstring64_t, characters), S, info, n_value); |
4046 | if (symbol_name == nullptr) |
4047 | return nullptr; |
4048 | cfs_characters = n_value; |
4049 | } else |
4050 | cfs_characters = cfs.characters; |
4051 | name = get_pointer_64(cfs_characters, offset, left, S, info); |
4052 | |
4053 | return name; |
4054 | } |
4055 | |
4056 | |
4057 | |
4058 | |
4059 | |
4060 | |
4061 | |
4062 | static uint64_t get_objc2_64bit_selref(uint64_t ReferenceValue, |
4063 | struct DisassembleInfo *info) { |
4064 | uint32_t offset, left; |
4065 | SectionRef S; |
4066 | |
4067 | const char *r = get_pointer_64(ReferenceValue, offset, left, S, info); |
4068 | if (r == nullptr || left < sizeof(uint64_t)) |
4069 | return 0; |
4070 | uint64_t n_value; |
4071 | const char *symbol_name = get_symbol_64(offset, S, info, n_value); |
4072 | if (symbol_name == nullptr) |
4073 | return 0; |
4074 | return n_value; |
4075 | } |
4076 | |
4077 | static const SectionRef get_section(MachOObjectFile *O, const char *segname, |
4078 | const char *sectname) { |
4079 | for (const SectionRef &Section : O->sections()) { |
4080 | StringRef SectName; |
4081 | Expected<StringRef> SecNameOrErr = Section.getName(); |
4082 | if (SecNameOrErr) |
4083 | SectName = *SecNameOrErr; |
4084 | else |
4085 | consumeError(SecNameOrErr.takeError()); |
4086 | |
4087 | DataRefImpl Ref = Section.getRawDataRefImpl(); |
4088 | StringRef SegName = O->getSectionFinalSegmentName(Ref); |
4089 | if (SegName == segname && SectName == sectname) |
4090 | return Section; |
4091 | } |
4092 | return SectionRef(); |
4093 | } |
4094 | |
4095 | static void |
4096 | walk_pointer_list_64(const char *listname, const SectionRef S, |
4097 | MachOObjectFile *O, struct DisassembleInfo *info, |
4098 | void (*func)(uint64_t, struct DisassembleInfo *info)) { |
4099 | if (S == SectionRef()) |
4100 | return; |
4101 | |
4102 | StringRef SectName; |
4103 | Expected<StringRef> SecNameOrErr = S.getName(); |
4104 | if (SecNameOrErr) |
4105 | SectName = *SecNameOrErr; |
4106 | else |
4107 | consumeError(SecNameOrErr.takeError()); |
4108 | |
4109 | DataRefImpl Ref = S.getRawDataRefImpl(); |
4110 | StringRef SegName = O->getSectionFinalSegmentName(Ref); |
4111 | outs() << "Contents of (" << SegName << "," << SectName << ") section\n"; |
4112 | |
4113 | StringRef BytesStr = unwrapOrError(S.getContents(), O->getFileName()); |
4114 | const char *Contents = reinterpret_cast<const char *>(BytesStr.data()); |
4115 | |
4116 | for (uint32_t i = 0; i < S.getSize(); i += sizeof(uint64_t)) { |
4117 | uint32_t left = S.getSize() - i; |
4118 | uint32_t size = left < sizeof(uint64_t) ? left : sizeof(uint64_t); |
4119 | uint64_t p = 0; |
4120 | memcpy(&p, Contents + i, size); |
4121 | if (i + sizeof(uint64_t) > S.getSize()) |
4122 | outs() << listname << " list pointer extends past end of (" << SegName |
4123 | << "," << SectName << ") section\n"; |
4124 | outs() << format("%016" PRIx64, S.getAddress() + i) << " "; |
4125 | |
4126 | if (O->isLittleEndian() != sys::IsLittleEndianHost) |
4127 | sys::swapByteOrder(p); |
4128 | |
4129 | uint64_t n_value = 0; |
4130 | const char *name = get_symbol_64(i, S, info, n_value, p); |
4131 | if (name == nullptr) |
4132 | name = get_dyld_bind_info_symbolname(S.getAddress() + i, info); |
4133 | |
4134 | if (n_value != 0) { |
4135 | outs() << format("0x%" PRIx64, n_value); |
4136 | if (p != 0) |
4137 | outs() << " + " << format("0x%" PRIx64, p); |
4138 | } else |
4139 | outs() << format("0x%" PRIx64, p); |
4140 | if (name != nullptr) |
4141 | outs() << " " << name; |
4142 | outs() << "\n"; |
4143 | |
4144 | p += n_value; |
4145 | if (func) |
4146 | func(p, info); |
4147 | } |
4148 | } |
4149 | |
4150 | static void |
4151 | walk_pointer_list_32(const char *listname, const SectionRef S, |
4152 | MachOObjectFile *O, struct DisassembleInfo *info, |
4153 | void (*func)(uint32_t, struct DisassembleInfo *info)) { |
4154 | if (S == SectionRef()) |
4155 | return; |
4156 | |
4157 | StringRef SectName = unwrapOrError(S.getName(), O->getFileName()); |
4158 | DataRefImpl Ref = S.getRawDataRefImpl(); |
4159 | StringRef SegName = O->getSectionFinalSegmentName(Ref); |
4160 | outs() << "Contents of (" << SegName << "," << SectName << ") section\n"; |
4161 | |
4162 | StringRef BytesStr = unwrapOrError(S.getContents(), O->getFileName()); |
4163 | const char *Contents = reinterpret_cast<const char *>(BytesStr.data()); |
4164 | |
4165 | for (uint32_t i = 0; i < S.getSize(); i += sizeof(uint32_t)) { |
4166 | uint32_t left = S.getSize() - i; |
4167 | uint32_t size = left < sizeof(uint32_t) ? left : sizeof(uint32_t); |
4168 | uint32_t p = 0; |
4169 | memcpy(&p, Contents + i, size); |
4170 | if (i + sizeof(uint32_t) > S.getSize()) |
4171 | outs() << listname << " list pointer extends past end of (" << SegName |
4172 | << "," << SectName << ") section\n"; |
4173 | uint32_t Address = S.getAddress() + i; |
4174 | outs() << format("%08" PRIx32, Address) << " "; |
4175 | |
4176 | if (O->isLittleEndian() != sys::IsLittleEndianHost) |
4177 | sys::swapByteOrder(p); |
4178 | outs() << format("0x%" PRIx32, p); |
4179 | |
4180 | const char *name = get_symbol_32(i, S, info, p); |
4181 | if (name != nullptr) |
4182 | outs() << " " << name; |
4183 | outs() << "\n"; |
4184 | |
4185 | if (func) |
4186 | func(p, info); |
4187 | } |
4188 | } |
4189 | |
4190 | static void print_layout_map(const char *layout_map, uint32_t left) { |
4191 | if (layout_map == nullptr) |
4192 | return; |
4193 | outs() << " layout map: "; |
4194 | do { |
4195 | outs() << format("0x%02" PRIx32, (*layout_map) & 0xff) << " "; |
4196 | left--; |
4197 | layout_map++; |
4198 | } while (*layout_map != '\0' && left != 0); |
4199 | outs() << "\n"; |
4200 | } |
4201 | |
4202 | static void print_layout_map64(uint64_t p, struct DisassembleInfo *info) { |
4203 | uint32_t offset, left; |
4204 | SectionRef S; |
4205 | const char *layout_map; |
4206 | |
4207 | if (p == 0) |
4208 | return; |
4209 | layout_map = get_pointer_64(p, offset, left, S, info); |
4210 | print_layout_map(layout_map, left); |
4211 | } |
4212 | |
4213 | static void print_layout_map32(uint32_t p, struct DisassembleInfo *info) { |
4214 | uint32_t offset, left; |
4215 | SectionRef S; |
4216 | const char *layout_map; |
4217 | |
4218 | if (p == 0) |
4219 | return; |
4220 | layout_map = get_pointer_32(p, offset, left, S, info); |
4221 | print_layout_map(layout_map, left); |
4222 | } |
4223 | |
4224 | static void print_method_list64_t(uint64_t p, struct DisassembleInfo *info, |
4225 | const char *indent) { |
4226 | struct method_list64_t ml; |
4227 | struct method64_t m; |
4228 | const char *r; |
4229 | uint32_t offset, xoffset, left, i; |
4230 | SectionRef S, xS; |
4231 | const char *name, *sym_name; |
4232 | uint64_t n_value; |
4233 | |
4234 | r = get_pointer_64(p, offset, left, S, info); |
4235 | if (r == nullptr) |
4236 | return; |
4237 | memset(&ml, '\0', sizeof(struct method_list64_t)); |
4238 | if (left < sizeof(struct method_list64_t)) { |
4239 | memcpy(&ml, r, left); |
4240 | outs() << " (method_list_t entends past the end of the section)\n"; |
4241 | } else |
4242 | memcpy(&ml, r, sizeof(struct method_list64_t)); |
4243 | if (info->O->isLittleEndian() != sys::IsLittleEndianHost) |
4244 | swapStruct(ml); |
4245 | outs() << indent << "\t\t entsize " << ml.entsize << "\n"; |
4246 | outs() << indent << "\t\t count " << ml.count << "\n"; |
4247 | |
4248 | p += sizeof(struct method_list64_t); |
4249 | offset += sizeof(struct method_list64_t); |
4250 | for (i = 0; i < ml.count; i++) { |
4251 | r = get_pointer_64(p, offset, left, S, info); |
4252 | if (r == nullptr) |
4253 | return; |
4254 | memset(&m, '\0', sizeof(struct method64_t)); |
4255 | if (left < sizeof(struct method64_t)) { |
4256 | memcpy(&m, r, left); |
4257 | outs() << indent << " (method_t extends past the end of the section)\n"; |
4258 | } else |
4259 | memcpy(&m, r, sizeof(struct method64_t)); |
4260 | if (info->O->isLittleEndian() != sys::IsLittleEndianHost) |
4261 | swapStruct(m); |
4262 | |
4263 | outs() << indent << "\t\t name "; |
4264 | sym_name = get_symbol_64(offset + offsetof(struct method64_t, name), S, |
4265 | info, n_value, m.name); |
4266 | if (n_value != 0) { |
4267 | if (info->verbose && sym_name != nullptr) |
4268 | outs() << sym_name; |
4269 | else |
4270 | outs() << format("0x%" PRIx64, n_value); |
4271 | if (m.name != 0) |
4272 | outs() << " + " << format("0x%" PRIx64, m.name); |
4273 | } else |
4274 | outs() << format("0x%" PRIx64, m.name); |
4275 | name = get_pointer_64(m.name + n_value, xoffset, left, xS, info); |
4276 | if (name != nullptr) |
4277 | outs() << format(" %.*s", left, name); |
4278 | outs() << "\n"; |
4279 | |
4280 | outs() << indent << "\t\t types "; |
4281 | sym_name = get_symbol_64(offset + offsetof(struct method64_t, types), S, |
4282 | info, n_value, m.types); |
4283 | if (n_value != 0) { |
4284 | if (info->verbose && sym_name != nullptr) |
4285 | outs() << sym_name; |
4286 | else |
4287 | outs() << format("0x%" PRIx64, n_value); |
4288 | if (m.types != 0) |
4289 | outs() << " + " << format("0x%" PRIx64, m.types); |
4290 | } else |
4291 | outs() << format("0x%" PRIx64, m.types); |
4292 | name = get_pointer_64(m.types + n_value, xoffset, left, xS, info); |
4293 | if (name != nullptr) |
4294 | outs() << format(" %.*s", left, name); |
4295 | outs() << "\n"; |
4296 | |
4297 | outs() << indent << "\t\t imp "; |
4298 | name = get_symbol_64(offset + offsetof(struct method64_t, imp), S, info, |
4299 | n_value, m.imp); |
4300 | if (info->verbose && name == nullptr) { |
4301 | if (n_value != 0) { |
4302 | outs() << format("0x%" PRIx64, n_value) << " "; |
4303 | if (m.imp != 0) |
4304 | outs() << "+ " << format("0x%" PRIx64, m.imp) << " "; |
4305 | } else |
4306 | outs() << format("0x%" PRIx64, m.imp) << " "; |
4307 | } |
4308 | if (name != nullptr) |
4309 | outs() << name; |
4310 | outs() << "\n"; |
4311 | |
4312 | p += sizeof(struct method64_t); |
4313 | offset += sizeof(struct method64_t); |
4314 | } |
4315 | } |
4316 | |
4317 | static void print_method_list32_t(uint64_t p, struct DisassembleInfo *info, |
4318 | const char *indent) { |
4319 | struct method_list32_t ml; |
4320 | struct method32_t m; |
4321 | const char *r, *name; |
4322 | uint32_t offset, xoffset, left, i; |
4323 | SectionRef S, xS; |
4324 | |
4325 | r = get_pointer_32(p, offset, left, S, info); |
4326 | if (r == nullptr) |
4327 | return; |
4328 | memset(&ml, '\0', sizeof(struct method_list32_t)); |
4329 | if (left < sizeof(struct method_list32_t)) { |
4330 | memcpy(&ml, r, left); |
4331 | outs() << " (method_list_t entends past the end of the section)\n"; |
4332 | } else |
4333 | memcpy(&ml, r, sizeof(struct method_list32_t)); |
4334 | if (info->O->isLittleEndian() != sys::IsLittleEndianHost) |
4335 | swapStruct(ml); |
4336 | outs() << indent << "\t\t entsize " << ml.entsize << "\n"; |
4337 | outs() << indent << "\t\t count " << ml.count << "\n"; |
4338 | |
4339 | p += sizeof(struct method_list32_t); |
4340 | offset += sizeof(struct method_list32_t); |
4341 | for (i = 0; i < ml.count; i++) { |
4342 | r = get_pointer_32(p, offset, left, S, info); |
4343 | if (r == nullptr) |
4344 | return; |
4345 | memset(&m, '\0', sizeof(struct method32_t)); |
4346 | if (left < sizeof(struct method32_t)) { |
4347 | memcpy(&ml, r, left); |
4348 | outs() << indent << " (method_t entends past the end of the section)\n"; |
4349 | } else |
4350 | memcpy(&m, r, sizeof(struct method32_t)); |
4351 | if (info->O->isLittleEndian() != sys::IsLittleEndianHost) |
4352 | swapStruct(m); |
4353 | |
4354 | outs() << indent << "\t\t name " << format("0x%" PRIx32, m.name); |
4355 | name = get_pointer_32(m.name, xoffset, left, xS, info); |
4356 | if (name != nullptr) |
4357 | outs() << format(" %.*s", left, name); |
4358 | outs() << "\n"; |
4359 | |
4360 | outs() << indent << "\t\t types " << format("0x%" PRIx32, m.types); |
4361 | name = get_pointer_32(m.types, xoffset, left, xS, info); |
4362 | if (name != nullptr) |
4363 | outs() << format(" %.*s", left, name); |
4364 | outs() << "\n"; |
4365 | |
4366 | outs() << indent << "\t\t imp " << format("0x%" PRIx32, m.imp); |
4367 | name = get_symbol_32(offset + offsetof(struct method32_t, imp), S, info, |
4368 | m.imp); |
4369 | if (name != nullptr) |
4370 | outs() << " " << name; |
4371 | outs() << "\n"; |
4372 | |
4373 | p += sizeof(struct method32_t); |
4374 | offset += sizeof(struct method32_t); |
4375 | } |
4376 | } |
4377 | |
4378 | static bool print_method_list(uint32_t p, struct DisassembleInfo *info) { |
4379 | uint32_t offset, left, xleft; |
4380 | SectionRef S; |
4381 | struct objc_method_list_t method_list; |
4382 | struct objc_method_t method; |
4383 | const char *r, *methods, *name, *SymbolName; |
4384 | int32_t i; |
4385 | |
4386 | r = get_pointer_32(p, offset, left, S, info, true); |
4387 | if (r == nullptr) |
4388 | return true; |
4389 | |
4390 | outs() << "\n"; |
4391 | if (left > sizeof(struct objc_method_list_t)) { |
4392 | memcpy(&method_list, r, sizeof(struct objc_method_list_t)); |
4393 | } else { |
4394 | outs() << "\t\t objc_method_list extends past end of the section\n"; |
4395 | memset(&method_list, '\0', sizeof(struct objc_method_list_t)); |
4396 | memcpy(&method_list, r, left); |
4397 | } |
4398 | if (info->O->isLittleEndian() != sys::IsLittleEndianHost) |
4399 | swapStruct(method_list); |
4400 | |
4401 | outs() << "\t\t obsolete " |
4402 | << format("0x%08" PRIx32, method_list.obsolete) << "\n"; |
4403 | outs() << "\t\t method_count " << method_list.method_count << "\n"; |
4404 | |
4405 | methods = r + sizeof(struct objc_method_list_t); |
4406 | for (i = 0; i < method_list.method_count; i++) { |
4407 | if ((i + 1) * sizeof(struct objc_method_t) > left) { |
4408 | outs() << "\t\t remaining method's extend past the of the section\n"; |
4409 | break; |
4410 | } |
4411 | memcpy(&method, methods + i * sizeof(struct objc_method_t), |
4412 | sizeof(struct objc_method_t)); |
4413 | if (info->O->isLittleEndian() != sys::IsLittleEndianHost) |
4414 | swapStruct(method); |
4415 | |
4416 | outs() << "\t\t method_name " |
4417 | << format("0x%08" PRIx32, method.method_name); |
4418 | if (info->verbose) { |
4419 | name = get_pointer_32(method.method_name, offset, xleft, S, info, true); |
4420 | if (name != nullptr) |
4421 | outs() << format(" %.*s", xleft, name); |
4422 | else |
4423 | outs() << " (not in an __OBJC section)"; |
4424 | } |
4425 | outs() << "\n"; |
4426 | |
4427 | outs() << "\t\t method_types " |
4428 | << format("0x%08" PRIx32, method.method_types); |
4429 | if (info->verbose) { |
4430 | name = get_pointer_32(method.method_types, offset, xleft, S, info, true); |
4431 | if (name != nullptr) |
4432 | outs() << format(" %.*s", xleft, name); |
4433 | else |
4434 | outs() << " (not in an __OBJC section)"; |
4435 | } |
4436 | outs() << "\n"; |
4437 | |
4438 | outs() << "\t\t method_imp " |
4439 | << format("0x%08" PRIx32, method.method_imp) << " "; |
4440 | if (info->verbose) { |
4441 | SymbolName = GuessSymbolName(method.method_imp, info->AddrMap); |
4442 | if (SymbolName != nullptr) |
4443 | outs() << SymbolName; |
4444 | } |
4445 | outs() << "\n"; |
4446 | } |
4447 | return false; |
4448 | } |
4449 | |
4450 | static void print_protocol_list64_t(uint64_t p, struct DisassembleInfo *info) { |
4451 | struct protocol_list64_t pl; |
4452 | uint64_t q, n_value; |
4453 | struct protocol64_t pc; |
4454 | const char *r; |
4455 | uint32_t offset, xoffset, left, i; |
4456 | SectionRef S, xS; |
4457 | const char *name, *sym_name; |
4458 | |
4459 | r = get_pointer_64(p, offset, left, S, info); |
4460 | if (r == nullptr) |
4461 | return; |
4462 | memset(&pl, '\0', sizeof(struct protocol_list64_t)); |
4463 | if (left < sizeof(struct protocol_list64_t)) { |
4464 | memcpy(&pl, r, left); |
4465 | outs() << " (protocol_list_t entends past the end of the section)\n"; |
4466 | } else |
4467 | memcpy(&pl, r, sizeof(struct protocol_list64_t)); |
4468 | if (info->O->isLittleEndian() != sys::IsLittleEndianHost) |
4469 | swapStruct(pl); |
4470 | outs() << " count " << pl.count << "\n"; |
4471 | |
4472 | p += sizeof(struct protocol_list64_t); |
4473 | offset += sizeof(struct protocol_list64_t); |
4474 | for (i = 0; i < pl.count; i++) { |
4475 | r = get_pointer_64(p, offset, left, S, info); |
4476 | if (r == nullptr) |
4477 | return; |
4478 | q = 0; |
4479 | if (left < sizeof(uint64_t)) { |
4480 | memcpy(&q, r, left); |
4481 | outs() << " (protocol_t * entends past the end of the section)\n"; |
4482 | } else |
4483 | memcpy(&q, r, sizeof(uint64_t)); |
4484 | if (info->O->isLittleEndian() != sys::IsLittleEndianHost) |
4485 | sys::swapByteOrder(q); |
4486 | |
4487 | outs() << "\t\t list[" << i << "] "; |
4488 | sym_name = get_symbol_64(offset, S, info, n_value, q); |
4489 | if (n_value != 0) { |
4490 | if (info->verbose && sym_name != nullptr) |
4491 | outs() << sym_name; |
4492 | else |
4493 | outs() << format("0x%" PRIx64, n_value); |
4494 | if (q != 0) |
4495 | outs() << " + " << format("0x%" PRIx64, q); |
4496 | } else |
4497 | outs() << format("0x%" PRIx64, q); |
4498 | outs() << " (struct protocol_t *)\n"; |
4499 | |
4500 | r = get_pointer_64(q + n_value, offset, left, S, info); |
4501 | if (r == nullptr) |
4502 | return; |
4503 | memset(&pc, '\0', sizeof(struct protocol64_t)); |
4504 | if (left < sizeof(struct protocol64_t)) { |
4505 | memcpy(&pc, r, left); |
4506 | outs() << " (protocol_t entends past the end of the section)\n"; |
4507 | } else |
4508 | memcpy(&pc, r, sizeof(struct protocol64_t)); |
4509 | if (info->O->isLittleEndian() != sys::IsLittleEndianHost) |
4510 | swapStruct(pc); |
4511 | |
4512 | outs() << "\t\t\t isa " << format("0x%" PRIx64, pc.isa) << "\n"; |
4513 | |
4514 | outs() << "\t\t\t name "; |
4515 | sym_name = get_symbol_64(offset + offsetof(struct protocol64_t, name), S, |
4516 | info, n_value, pc.name); |
4517 | if (n_value != 0) { |
4518 | if (info->verbose && sym_name != nullptr) |
4519 | outs() << sym_name; |
4520 | else |
4521 | outs() << format("0x%" PRIx64, n_value); |
4522 | if (pc.name != 0) |
4523 | outs() << " + " << format("0x%" PRIx64, pc.name); |
4524 | } else |
4525 | outs() << format("0x%" PRIx64, pc.name); |
4526 | name = get_pointer_64(pc.name + n_value, xoffset, left, xS, info); |
4527 | if (name != nullptr) |
4528 | outs() << format(" %.*s", left, name); |
4529 | outs() << "\n"; |
4530 | |
4531 | outs() << "\t\t\tprotocols " << format("0x%" PRIx64, pc.protocols) << "\n"; |
4532 | |
4533 | outs() << "\t\t instanceMethods "; |
4534 | sym_name = |
4535 | get_symbol_64(offset + offsetof(struct protocol64_t, instanceMethods), |
4536 | S, info, n_value, pc.instanceMethods); |
4537 | if (n_value != 0) { |
4538 | if (info->verbose && sym_name != nullptr) |
4539 | outs() << sym_name; |
4540 | else |
4541 | outs() << format("0x%" PRIx64, n_value); |
4542 | if (pc.instanceMethods != 0) |
4543 | outs() << " + " << format("0x%" PRIx64, pc.instanceMethods); |
4544 | } else |
4545 | outs() << format("0x%" PRIx64, pc.instanceMethods); |
4546 | outs() << " (struct method_list_t *)\n"; |
4547 | if (pc.instanceMethods + n_value != 0) |
4548 | print_method_list64_t(pc.instanceMethods + n_value, info, "\t"); |
4549 | |
4550 | outs() << "\t\t classMethods "; |
4551 | sym_name = |
4552 | get_symbol_64(offset + offsetof(struct protocol64_t, classMethods), S, |
4553 | info, n_value, pc.classMethods); |
4554 | if (n_value != 0) { |
4555 | if (info->verbose && sym_name != nullptr) |
4556 | outs() << sym_name; |
4557 | else |
4558 | outs() << format("0x%" PRIx64, n_value); |
4559 | if (pc.classMethods != 0) |
4560 | outs() << " + " << format("0x%" PRIx64, pc.classMethods); |
4561 | } else |
4562 | outs() << format("0x%" PRIx64, pc.classMethods); |
4563 | outs() << " (struct method_list_t *)\n"; |
4564 | if (pc.classMethods + n_value != 0) |
4565 | print_method_list64_t(pc.classMethods + n_value, info, "\t"); |
4566 | |
4567 | outs() << "\t optionalInstanceMethods " |
4568 | << format("0x%" PRIx64, pc.optionalInstanceMethods) << "\n"; |
4569 | outs() << "\t optionalClassMethods " |
4570 | << format("0x%" PRIx64, pc.optionalClassMethods) << "\n"; |
4571 | outs() << "\t instanceProperties " |
4572 | << format("0x%" PRIx64, pc.instanceProperties) << "\n"; |
4573 | |
4574 | p += sizeof(uint64_t); |
4575 | offset += sizeof(uint64_t); |
4576 | } |
4577 | } |
4578 | |
4579 | static void print_protocol_list32_t(uint32_t p, struct DisassembleInfo *info) { |
4580 | struct protocol_list32_t pl; |
4581 | uint32_t q; |
4582 | struct protocol32_t pc; |
4583 | const char *r; |
4584 | uint32_t offset, xoffset, left, i; |
4585 | SectionRef S, xS; |
4586 | const char *name; |
4587 | |
4588 | r = get_pointer_32(p, offset, left, S, info); |
4589 | if (r == nullptr) |
4590 | return; |
4591 | memset(&pl, '\0', sizeof(struct protocol_list32_t)); |
4592 | if (left < sizeof(struct protocol_list32_t)) { |
4593 | memcpy(&pl, r, left); |
4594 | outs() << " (protocol_list_t entends past the end of the section)\n"; |
4595 | } else |
4596 | memcpy(&pl, r, sizeof(struct protocol_list32_t)); |
4597 | if (info->O->isLittleEndian() != sys::IsLittleEndianHost) |
4598 | swapStruct(pl); |
4599 | outs() << " count " << pl.count << "\n"; |
4600 | |
4601 | p += sizeof(struct protocol_list32_t); |
4602 | offset += sizeof(struct protocol_list32_t); |
4603 | for (i = 0; i < pl.count; i++) { |
4604 | r = get_pointer_32(p, offset, left, S, info); |
4605 | if (r == nullptr) |
4606 | return; |
4607 | q = 0; |
4608 | if (left < sizeof(uint32_t)) { |
4609 | memcpy(&q, r, left); |
4610 | outs() << " (protocol_t * entends past the end of the section)\n"; |
4611 | } else |
4612 | memcpy(&q, r, sizeof(uint32_t)); |
4613 | if (info->O->isLittleEndian() != sys::IsLittleEndianHost) |
4614 | sys::swapByteOrder(q); |
4615 | outs() << "\t\t list[" << i << "] " << format("0x%" PRIx32, q) |
4616 | << " (struct protocol_t *)\n"; |
4617 | r = get_pointer_32(q, offset, left, S, info); |
4618 | if (r == nullptr) |
4619 | return; |
4620 | memset(&pc, '\0', sizeof(struct protocol32_t)); |
4621 | if (left < sizeof(struct protocol32_t)) { |
4622 | memcpy(&pc, r, left); |
4623 | outs() << " (protocol_t entends past the end of the section)\n"; |
4624 | } else |
4625 | memcpy(&pc, r, sizeof(struct protocol32_t)); |
4626 | if (info->O->isLittleEndian() != sys::IsLittleEndianHost) |
4627 | swapStruct(pc); |
4628 | outs() << "\t\t\t isa " << format("0x%" PRIx32, pc.isa) << "\n"; |
4629 | outs() << "\t\t\t name " << format("0x%" PRIx32, pc.name); |
4630 | name = get_pointer_32(pc.name, xoffset, left, xS, info); |
4631 | if (name != nullptr) |
4632 | outs() << format(" %.*s", left, name); |
4633 | outs() << "\n"; |
4634 | outs() << "\t\t\tprotocols " << format("0x%" PRIx32, pc.protocols) << "\n"; |
4635 | outs() << "\t\t instanceMethods " |
4636 | << format("0x%" PRIx32, pc.instanceMethods) |
4637 | << " (struct method_list_t *)\n"; |
4638 | if (pc.instanceMethods != 0) |
4639 | print_method_list32_t(pc.instanceMethods, info, "\t"); |
4640 | outs() << "\t\t classMethods " << format("0x%" PRIx32, pc.classMethods) |
4641 | << " (struct method_list_t *)\n"; |
4642 | if (pc.classMethods != 0) |
4643 | print_method_list32_t(pc.classMethods, info, "\t"); |
4644 | outs() << "\t optionalInstanceMethods " |
4645 | << format("0x%" PRIx32, pc.optionalInstanceMethods) << "\n"; |
4646 | outs() << "\t optionalClassMethods " |
4647 | << format("0x%" PRIx32, pc.optionalClassMethods) << "\n"; |
4648 | outs() << "\t instanceProperties " |
4649 | << format("0x%" PRIx32, pc.instanceProperties) << "\n"; |
4650 | p += sizeof(uint32_t); |
4651 | offset += sizeof(uint32_t); |
4652 | } |
4653 | } |
4654 | |
4655 | static void print_indent(uint32_t indent) { |
4656 | for (uint32_t i = 0; i < indent;) { |
4657 | if (indent - i >= 8) { |
4658 | outs() << "\t"; |
4659 | i += 8; |
4660 | } else { |
4661 | for (uint32_t j = i; j < indent; j++) |
4662 | outs() << " "; |
4663 | return; |
4664 | } |
4665 | } |
4666 | } |
4667 | |
4668 | static bool print_method_description_list(uint32_t p, uint32_t indent, |
4669 | struct DisassembleInfo *info) { |
4670 | uint32_t offset, left, xleft; |
4671 | SectionRef S; |
4672 | struct objc_method_description_list_t mdl; |
4673 | struct objc_method_description_t md; |
4674 | const char *r, *list, *name; |
4675 | int32_t i; |
4676 | |
4677 | r = get_pointer_32(p, offset, left, S, info, true); |
4678 | if (r == nullptr) |
4679 | return true; |
4680 | |
4681 | outs() << "\n"; |
4682 | if (left > sizeof(struct objc_method_description_list_t)) { |
4683 | memcpy(&mdl, r, sizeof(struct objc_method_description_list_t)); |
4684 | } else { |
4685 | print_indent(indent); |
4686 | outs() << " objc_method_description_list extends past end of the section\n"; |
4687 | memset(&mdl, '\0', sizeof(struct objc_method_description_list_t)); |
4688 | memcpy(&mdl, r, left); |
4689 | } |
4690 | if (info->O->isLittleEndian() != sys::IsLittleEndianHost) |
4691 | swapStruct(mdl); |
4692 | |
4693 | print_indent(indent); |
4694 | outs() << " count " << mdl.count << "\n"; |
4695 | |
4696 | list = r + sizeof(struct objc_method_description_list_t); |
4697 | for (i = 0; i < mdl.count; i++) { |
4698 | if ((i + 1) * sizeof(struct objc_method_description_t) > left) { |
4699 | print_indent(indent); |
4700 | outs() << " remaining list entries extend past the of the section\n"; |
4701 | break; |
4702 | } |
4703 | print_indent(indent); |
4704 | outs() << " list[" << i << "]\n"; |
4705 | memcpy(&md, list + i * sizeof(struct objc_method_description_t), |
4706 | sizeof(struct objc_method_description_t)); |
4707 | if (info->O->isLittleEndian() != sys::IsLittleEndianHost) |
4708 | swapStruct(md); |
4709 | |
4710 | print_indent(indent); |
4711 | outs() << " name " << format("0x%08" PRIx32, md.name); |
4712 | if (info->verbose) { |
4713 | name = get_pointer_32(md.name, offset, xleft, S, info, true); |
4714 | if (name != nullptr) |
4715 | outs() << format(" %.*s", xleft, name); |
4716 | else |
4717 | outs() << " (not in an __OBJC section)"; |
4718 | } |
4719 | outs() << "\n"; |
4720 | |
4721 | print_indent(indent); |
4722 | outs() << " types " << format("0x%08" PRIx32, md.types); |
4723 | if (info->verbose) { |
4724 | name = get_pointer_32(md.types, offset, xleft, S, info, true); |
4725 | if (name != nullptr) |
4726 | outs() << format(" %.*s", xleft, name); |
4727 | else |
4728 | outs() << " (not in an __OBJC section)"; |
4729 | } |
4730 | outs() << "\n"; |
4731 | } |
4732 | return false; |
4733 | } |
4734 | |
4735 | static bool print_protocol_list(uint32_t p, uint32_t indent, |
4736 | struct DisassembleInfo *info); |
4737 | |
4738 | static bool print_protocol(uint32_t p, uint32_t indent, |
4739 | struct DisassembleInfo *info) { |
4740 | uint32_t offset, left; |
4741 | SectionRef S; |
4742 | struct objc_protocol_t protocol; |
4743 | const char *r, *name; |
4744 | |
4745 | r = get_pointer_32(p, offset, left, S, info, true); |
4746 | if (r == nullptr) |
4747 | return true; |
4748 | |
4749 | outs() << "\n"; |
4750 | if (left >= sizeof(struct objc_protocol_t)) { |
4751 | memcpy(&protocol, r, sizeof(struct objc_protocol_t)); |
4752 | } else { |
4753 | print_indent(indent); |
4754 | outs() << " Protocol extends past end of the section\n"; |
4755 | memset(&protocol, '\0', sizeof(struct objc_protocol_t)); |
4756 | memcpy(&protocol, r, left); |
4757 | } |
4758 | if (info->O->isLittleEndian() != sys::IsLittleEndianHost) |
4759 | swapStruct(protocol); |
4760 | |
4761 | print_indent(indent); |
4762 | outs() << " isa " << format("0x%08" PRIx32, protocol.isa) |
4763 | << "\n"; |
4764 | |
4765 | print_indent(indent); |
4766 | outs() << " protocol_name " |
4767 | << format("0x%08" PRIx32, protocol.protocol_name); |
4768 | if (info->verbose) { |
4769 | name = get_pointer_32(protocol.protocol_name, offset, left, S, info, true); |
4770 | if (name != nullptr) |
4771 | outs() << format(" %.*s", left, name); |
4772 | else |
4773 | outs() << " (not in an __OBJC section)"; |
4774 | } |
4775 | outs() << "\n"; |
4776 | |
4777 | print_indent(indent); |
4778 | outs() << " protocol_list " |
4779 | << format("0x%08" PRIx32, protocol.protocol_list); |
4780 | if (print_protocol_list(protocol.protocol_list, indent + 4, info)) |
4781 | outs() << " (not in an __OBJC section)\n"; |
4782 | |
4783 | print_indent(indent); |
4784 | outs() << " instance_methods " |
4785 | << format("0x%08" PRIx32, protocol.instance_methods); |
4786 | if (print_method_description_list(protocol.instance_methods, indent, info)) |
4787 | outs() << " (not in an __OBJC section)\n"; |
4788 | |
4789 | print_indent(indent); |
4790 | outs() << " class_methods " |
4791 | << format("0x%08" PRIx32, protocol.class_methods); |
4792 | if (print_method_description_list(protocol.class_methods, indent, info)) |
4793 | outs() << " (not in an __OBJC section)\n"; |
4794 | |
4795 | return false; |
4796 | } |
4797 | |
4798 | static bool print_protocol_list(uint32_t p, uint32_t indent, |
4799 | struct DisassembleInfo *info) { |
4800 | uint32_t offset, left, l; |
4801 | SectionRef S; |
4802 | struct objc_protocol_list_t protocol_list; |
4803 | const char *r, *list; |
4804 | int32_t i; |
4805 | |
4806 | r = get_pointer_32(p, offset, left, S, info, true); |
4807 | if (r == nullptr) |
4808 | return true; |
4809 | |
4810 | outs() << "\n"; |
4811 | if (left > sizeof(struct objc_protocol_list_t)) { |
4812 | memcpy(&protocol_list, r, sizeof(struct objc_protocol_list_t)); |
4813 | } else { |
4814 | outs() << "\t\t objc_protocol_list_t extends past end of the section\n"; |
4815 | memset(&protocol_list, '\0', sizeof(struct objc_protocol_list_t)); |
4816 | memcpy(&protocol_list, r, left); |
4817 | } |
4818 | if (info->O->isLittleEndian() != sys::IsLittleEndianHost) |
4819 | swapStruct(protocol_list); |
4820 | |
4821 | print_indent(indent); |
4822 | outs() << " next " << format("0x%08" PRIx32, protocol_list.next) |
4823 | << "\n"; |
4824 | print_indent(indent); |
4825 | outs() << " count " << protocol_list.count << "\n"; |
4826 | |
4827 | list = r + sizeof(struct objc_protocol_list_t); |
4828 | for (i = 0; i < protocol_list.count; i++) { |
4829 | if ((i + 1) * sizeof(uint32_t) > left) { |
4830 | outs() << "\t\t remaining list entries extend past the of the section\n"; |
4831 | break; |
4832 | } |
4833 | memcpy(&l, list + i * sizeof(uint32_t), sizeof(uint32_t)); |
4834 | if (info->O->isLittleEndian() != sys::IsLittleEndianHost) |
4835 | sys::swapByteOrder(l); |
4836 | |
4837 | print_indent(indent); |
4838 | outs() << " list[" << i << "] " << format("0x%08" PRIx32, l); |
4839 | if (print_protocol(l, indent, info)) |
4840 | outs() << "(not in an __OBJC section)\n"; |
4841 | } |
4842 | return false; |
4843 | } |
4844 | |
4845 | static void print_ivar_list64_t(uint64_t p, struct DisassembleInfo *info) { |
4846 | struct ivar_list64_t il; |
4847 | struct ivar64_t i; |
4848 | const char *r; |
4849 | uint32_t offset, xoffset, left, j; |
4850 | SectionRef S, xS; |
4851 | const char *name, *sym_name, *ivar_offset_p; |
4852 | uint64_t ivar_offset, n_value; |
4853 | |
4854 | r = get_pointer_64(p, offset, left, S, info); |
4855 | if (r == nullptr) |
4856 | return; |
4857 | memset(&il, '\0', sizeof(struct ivar_list64_t)); |
4858 | if (left < sizeof(struct ivar_list64_t)) { |
4859 | memcpy(&il, r, left); |
4860 | outs() << " (ivar_list_t entends past the end of the section)\n"; |
4861 | } else |
4862 | memcpy(&il, r, sizeof(struct ivar_list64_t)); |
4863 | if (info->O->isLittleEndian() != sys::IsLittleEndianHost) |
4864 | swapStruct(il); |
4865 | outs() << " entsize " << il.entsize << "\n"; |
4866 | outs() << " count " << il.count << "\n"; |
4867 | |
4868 | p += sizeof(struct ivar_list64_t); |
4869 | offset += sizeof(struct ivar_list64_t); |
4870 | for (j = 0; j < il.count; j++) { |
4871 | r = get_pointer_64(p, offset, left, S, info); |
4872 | if (r == nullptr) |
4873 | return; |
4874 | memset(&i, '\0', sizeof(struct ivar64_t)); |
4875 | if (left < sizeof(struct ivar64_t)) { |
4876 | memcpy(&i, r, left); |
4877 | outs() << " (ivar_t entends past the end of the section)\n"; |
4878 | } else |
4879 | memcpy(&i, r, sizeof(struct ivar64_t)); |
4880 | if (info->O->isLittleEndian() != sys::IsLittleEndianHost) |
4881 | swapStruct(i); |
4882 | |
4883 | outs() << "\t\t\t offset "; |
4884 | sym_name = get_symbol_64(offset + offsetof(struct ivar64_t, offset), S, |
4885 | info, n_value, i.offset); |
4886 | if (n_value != 0) { |
4887 | if (info->verbose && sym_name != nullptr) |
4888 | outs() << sym_name; |
4889 | else |
4890 | outs() << format("0x%" PRIx64, n_value); |
4891 | if (i.offset != 0) |
4892 | outs() << " + " << format("0x%" PRIx64, i.offset); |
4893 | } else |
4894 | outs() << format("0x%" PRIx64, i.offset); |
4895 | ivar_offset_p = get_pointer_64(i.offset + n_value, xoffset, left, xS, info); |
4896 | if (ivar_offset_p != nullptr && left >= sizeof(*ivar_offset_p)) { |
4897 | memcpy(&ivar_offset, ivar_offset_p, sizeof(ivar_offset)); |
4898 | if (info->O->isLittleEndian() != sys::IsLittleEndianHost) |
4899 | sys::swapByteOrder(ivar_offset); |
4900 | outs() << " " << ivar_offset << "\n"; |
4901 | } else |
4902 | outs() << "\n"; |
4903 | |
4904 | outs() << "\t\t\t name "; |
4905 | sym_name = get_symbol_64(offset + offsetof(struct ivar64_t, name), S, info, |
4906 | n_value, i.name); |
4907 | if (n_value != 0) { |
4908 | if (info->verbose && sym_name != nullptr) |
4909 | outs() << sym_name; |
4910 | else |
4911 | outs() << format("0x%" PRIx64, n_value); |
4912 | if (i.name != 0) |
4913 | outs() << " + " << format("0x%" PRIx64, i.name); |
4914 | } else |
4915 | outs() << format("0x%" PRIx64, i.name); |
4916 | name = get_pointer_64(i.name + n_value, xoffset, left, xS, info); |
4917 | if (name != nullptr) |
4918 | outs() << format(" %.*s", left, name); |
4919 | outs() << "\n"; |
4920 | |
4921 | outs() << "\t\t\t type "; |
4922 | sym_name = get_symbol_64(offset + offsetof(struct ivar64_t, type), S, info, |
4923 | n_value, i.name); |
4924 | name = get_pointer_64(i.type + n_value, xoffset, left, xS, info); |
4925 | if (n_value != 0) { |
4926 | if (info->verbose && sym_name != nullptr) |
4927 | outs() << sym_name; |
4928 | else |
4929 | outs() << format("0x%" PRIx64, n_value); |
4930 | if (i.type != 0) |
4931 | outs() << " + " << format("0x%" PRIx64, i.type); |
4932 | } else |
4933 | outs() << format("0x%" PRIx64, i.type); |
4934 | if (name != nullptr) |
4935 | outs() << format(" %.*s", left, name); |
4936 | outs() << "\n"; |
4937 | |
4938 | outs() << "\t\t\talignment " << i.alignment << "\n"; |
4939 | outs() << "\t\t\t size " << i.size << "\n"; |
4940 | |
4941 | p += sizeof(struct ivar64_t); |
4942 | offset += sizeof(struct ivar64_t); |
4943 | } |
4944 | } |
4945 | |
4946 | static void print_ivar_list32_t(uint32_t p, struct DisassembleInfo *info) { |
4947 | struct ivar_list32_t il; |
4948 | struct ivar32_t i; |
4949 | const char *r; |
4950 | uint32_t offset, xoffset, left, j; |
4951 | SectionRef S, xS; |
4952 | const char *name, *ivar_offset_p; |
4953 | uint32_t ivar_offset; |
4954 | |
4955 | r = get_pointer_32(p, offset, left, S, info); |
4956 | if (r == nullptr) |
4957 | return; |
4958 | memset(&il, '\0', sizeof(struct ivar_list32_t)); |
4959 | if (left < sizeof(struct ivar_list32_t)) { |
4960 | memcpy(&il, r, left); |
4961 | outs() << " (ivar_list_t entends past the end of the section)\n"; |
4962 | } else |
4963 | memcpy(&il, r, sizeof(struct ivar_list32_t)); |
4964 | if (info->O->isLittleEndian() != sys::IsLittleEndianHost) |
4965 | swapStruct(il); |
4966 | outs() << " entsize " << il.entsize << "\n"; |
4967 | outs() << " count " << il.count << "\n"; |
4968 | |
4969 | p += sizeof(struct ivar_list32_t); |
4970 | offset += sizeof(struct ivar_list32_t); |
4971 | for (j = 0; j < il.count; j++) { |
4972 | r = get_pointer_32(p, offset, left, S, info); |
4973 | if (r == nullptr) |
4974 | return; |
4975 | memset(&i, '\0', sizeof(struct ivar32_t)); |
4976 | if (left < sizeof(struct ivar32_t)) { |
4977 | memcpy(&i, r, left); |
4978 | outs() << " (ivar_t entends past the end of the section)\n"; |
4979 | } else |
4980 | memcpy(&i, r, sizeof(struct ivar32_t)); |
4981 | if (info->O->isLittleEndian() != sys::IsLittleEndianHost) |
4982 | swapStruct(i); |
4983 | |
4984 | outs() << "\t\t\t offset " << format("0x%" PRIx32, i.offset); |
4985 | ivar_offset_p = get_pointer_32(i.offset, xoffset, left, xS, info); |
4986 | if (ivar_offset_p != nullptr && left >= sizeof(*ivar_offset_p)) { |
4987 | memcpy(&ivar_offset, ivar_offset_p, sizeof(ivar_offset)); |
4988 | if (info->O->isLittleEndian() != sys::IsLittleEndianHost) |
4989 | sys::swapByteOrder(ivar_offset); |
4990 | outs() << " " << ivar_offset << "\n"; |
4991 | } else |
4992 | outs() << "\n"; |
4993 | |
4994 | outs() << "\t\t\t name " << format("0x%" PRIx32, i.name); |
4995 | name = get_pointer_32(i.name, xoffset, left, xS, info); |
4996 | if (name != nullptr) |
4997 | outs() << format(" %.*s", left, name); |
4998 | outs() << "\n"; |
4999 | |
5000 | outs() << "\t\t\t type " << format("0x%" PRIx32, i.type); |
5001 | name = get_pointer_32(i.type, xoffset, left, xS, info); |
5002 | if (name != nullptr) |
5003 | outs() << format(" %.*s", left, name); |
5004 | outs() << "\n"; |
5005 | |
5006 | outs() << "\t\t\talignment " << i.alignment << "\n"; |
5007 | outs() << "\t\t\t size " << i.size << "\n"; |
5008 | |
5009 | p += sizeof(struct ivar32_t); |
5010 | offset += sizeof(struct ivar32_t); |
5011 | } |
5012 | } |
5013 | |
5014 | static void print_objc_property_list64(uint64_t p, |
5015 | struct DisassembleInfo *info) { |
5016 | struct objc_property_list64 opl; |
5017 | struct objc_property64 op; |
5018 | const char *r; |
5019 | uint32_t offset, xoffset, left, j; |
5020 | SectionRef S, xS; |
5021 | const char *name, *sym_name; |
5022 | uint64_t n_value; |
5023 | |
5024 | r = get_pointer_64(p, offset, left, S, info); |
5025 | if (r == nullptr) |
5026 | return; |
5027 | memset(&opl, '\0', sizeof(struct objc_property_list64)); |
5028 | if (left < sizeof(struct objc_property_list64)) { |
5029 | memcpy(&opl, r, left); |
5030 | outs() << " (objc_property_list entends past the end of the section)\n"; |
5031 | } else |
5032 | memcpy(&opl, r, sizeof(struct objc_property_list64)); |
5033 | if (info->O->isLittleEndian() != sys::IsLittleEndianHost) |
5034 | swapStruct(opl); |
5035 | outs() << " entsize " << opl.entsize << "\n"; |
5036 | outs() << " count " << opl.count << "\n"; |
5037 | |
5038 | p += sizeof(struct objc_property_list64); |
5039 | offset += sizeof(struct objc_property_list64); |
5040 | for (j = 0; j < opl.count; j++) { |
5041 | r = get_pointer_64(p, offset, left, S, info); |
5042 | if (r == nullptr) |
5043 | return; |
5044 | memset(&op, '\0', sizeof(struct objc_property64)); |
5045 | if (left < sizeof(struct objc_property64)) { |
5046 | memcpy(&op, r, left); |
5047 | outs() << " (objc_property entends past the end of the section)\n"; |
5048 | } else |
5049 | memcpy(&op, r, sizeof(struct objc_property64)); |
5050 | if (info->O->isLittleEndian() != sys::IsLittleEndianHost) |
5051 | swapStruct(op); |
5052 | |
5053 | outs() << "\t\t\t name "; |
5054 | sym_name = get_symbol_64(offset + offsetof(struct objc_property64, name), S, |
5055 | info, n_value, op.name); |
5056 | if (n_value != 0) { |
5057 | if (info->verbose && sym_name != nullptr) |
5058 | outs() << sym_name; |
5059 | else |
5060 | outs() << format("0x%" PRIx64, n_value); |
5061 | if (op.name != 0) |
5062 | outs() << " + " << format("0x%" PRIx64, op.name); |
5063 | } else |
5064 | outs() << format("0x%" PRIx64, op.name); |
5065 | name = get_pointer_64(op.name + n_value, xoffset, left, xS, info); |
5066 | if (name != nullptr) |
5067 | outs() << format(" %.*s", left, name); |
5068 | outs() << "\n"; |
5069 | |
5070 | outs() << "\t\t\tattributes "; |
5071 | sym_name = |
5072 | get_symbol_64(offset + offsetof(struct objc_property64, attributes), S, |
5073 | info, n_value, op.attributes); |
5074 | if (n_value != 0) { |
5075 | if (info->verbose && sym_name != nullptr) |
5076 | outs() << sym_name; |
5077 | else |
5078 | outs() << format("0x%" PRIx64, n_value); |
5079 | if (op.attributes != 0) |
5080 | outs() << " + " << format("0x%" PRIx64, op.attributes); |
5081 | } else |
5082 | outs() << format("0x%" PRIx64, op.attributes); |
5083 | name = get_pointer_64(op.attributes + n_value, xoffset, left, xS, info); |
5084 | if (name != nullptr) |
5085 | outs() << format(" %.*s", left, name); |
5086 | outs() << "\n"; |
5087 | |
5088 | p += sizeof(struct objc_property64); |
5089 | offset += sizeof(struct objc_property64); |
5090 | } |
5091 | } |
5092 | |
5093 | static void print_objc_property_list32(uint32_t p, |
5094 | struct DisassembleInfo *info) { |
5095 | struct objc_property_list32 opl; |
5096 | struct objc_property32 op; |
5097 | const char *r; |
5098 | uint32_t offset, xoffset, left, j; |
5099 | SectionRef S, xS; |
5100 | const char *name; |
5101 | |
5102 | r = get_pointer_32(p, offset, left, S, info); |
5103 | if (r == nullptr) |
5104 | return; |
5105 | memset(&opl, '\0', sizeof(struct objc_property_list32)); |
5106 | if (left < sizeof(struct objc_property_list32)) { |
5107 | memcpy(&opl, r, left); |
5108 | outs() << " (objc_property_list entends past the end of the section)\n"; |
5109 | } else |
5110 | memcpy(&opl, r, sizeof(struct objc_property_list32)); |
5111 | if (info->O->isLittleEndian() != sys::IsLittleEndianHost) |
5112 | swapStruct(opl); |
5113 | outs() << " entsize " << opl.entsize << "\n"; |
5114 | outs() << " count " << opl.count << "\n"; |
5115 | |
5116 | p += sizeof(struct objc_property_list32); |
5117 | offset += sizeof(struct objc_property_list32); |
5118 | for (j = 0; j < opl.count; j++) { |
5119 | r = get_pointer_32(p, offset, left, S, info); |
5120 | if (r == nullptr) |
5121 | return; |
5122 | memset(&op, '\0', sizeof(struct objc_property32)); |
5123 | if (left < sizeof(struct objc_property32)) { |
5124 | memcpy(&op, r, left); |
5125 | outs() << " (objc_property entends past the end of the section)\n"; |
5126 | } else |
5127 | memcpy(&op, r, sizeof(struct objc_property32)); |
5128 | if (info->O->isLittleEndian() != sys::IsLittleEndianHost) |
5129 | swapStruct(op); |
5130 | |
5131 | outs() << "\t\t\t name " << format("0x%" PRIx32, op.name); |
5132 | name = get_pointer_32(op.name, xoffset, left, xS, info); |
5133 | if (name != nullptr) |
5134 | outs() << format(" %.*s", left, name); |
5135 | outs() << "\n"; |
5136 | |
5137 | outs() << "\t\t\tattributes " << format("0x%" PRIx32, op.attributes); |
5138 | name = get_pointer_32(op.attributes, xoffset, left, xS, info); |
5139 | if (name != nullptr) |
5140 | outs() << format(" %.*s", left, name); |
5141 | outs() << "\n"; |
5142 | |
5143 | p += sizeof(struct objc_property32); |
5144 | offset += sizeof(struct objc_property32); |
5145 | } |
5146 | } |
5147 | |
5148 | static bool print_class_ro64_t(uint64_t p, struct DisassembleInfo *info, |
5149 | bool &is_meta_class) { |
5150 | struct class_ro64_t cro; |
5151 | const char *r; |
5152 | uint32_t offset, xoffset, left; |
5153 | SectionRef S, xS; |
5154 | const char *name, *sym_name; |
5155 | uint64_t n_value; |
5156 | |
5157 | r = get_pointer_64(p, offset, left, S, info); |
5158 | if (r == nullptr || left < sizeof(struct class_ro64_t)) |
5159 | return false; |
5160 | memcpy(&cro, r, sizeof(struct class_ro64_t)); |
5161 | if (info->O->isLittleEndian() != sys::IsLittleEndianHost) |
5162 | swapStruct(cro); |
5163 | outs() << " flags " << format("0x%" PRIx32, cro.flags); |
5164 | if (cro.flags & RO_META) |
5165 | outs() << " RO_META"; |
5166 | if (cro.flags & RO_ROOT) |
5167 | outs() << " RO_ROOT"; |
5168 | if (cro.flags & RO_HAS_CXX_STRUCTORS) |
5169 | outs() << " RO_HAS_CXX_STRUCTORS"; |
5170 | outs() << "\n"; |
5171 | outs() << " instanceStart " << cro.instanceStart << "\n"; |
5172 | outs() << " instanceSize " << cro.instanceSize << "\n"; |
5173 | outs() << " reserved " << format("0x%" PRIx32, cro.reserved) |
5174 | << "\n"; |
5175 | outs() << " ivarLayout " << format("0x%" PRIx64, cro.ivarLayout) |
5176 | << "\n"; |
5177 | print_layout_map64(cro.ivarLayout, info); |
5178 | |
5179 | outs() << " name "; |
5180 | sym_name = get_symbol_64(offset + offsetof(struct class_ro64_t, name), S, |
5181 | info, n_value, cro.name); |
5182 | if (n_value != 0) { |
5183 | if (info->verbose && sym_name != nullptr) |
5184 | outs() << sym_name; |
5185 | else |
5186 | outs() << format("0x%" PRIx64, n_value); |
5187 | if (cro.name != 0) |
5188 | outs() << " + " << format("0x%" PRIx64, cro.name); |
5189 | } else |
5190 | outs() << format("0x%" PRIx64, cro.name); |
5191 | name = get_pointer_64(cro.name + n_value, xoffset, left, xS, info); |
5192 | if (name != nullptr) |
5193 | outs() << format(" %.*s", left, name); |
5194 | outs() << "\n"; |
5195 | |
5196 | outs() << " baseMethods "; |
5197 | sym_name = get_symbol_64(offset + offsetof(struct class_ro64_t, baseMethods), |
5198 | S, info, n_value, cro.baseMethods); |
5199 | if (n_value != 0) { |
5200 | if (info->verbose && sym_name != nullptr) |
5201 | outs() << sym_name; |
5202 | else |
5203 | outs() << format("0x%" PRIx64, n_value); |
5204 | if (cro.baseMethods != 0) |
5205 | outs() << " + " << format("0x%" PRIx64, cro.baseMethods); |
5206 | } else |
5207 | outs() << format("0x%" PRIx64, cro.baseMethods); |
5208 | outs() << " (struct method_list_t *)\n"; |
5209 | if (cro.baseMethods + n_value != 0) |
5210 | print_method_list64_t(cro.baseMethods + n_value, info, ""); |
5211 | |
5212 | outs() << " baseProtocols "; |
5213 | sym_name = |
5214 | get_symbol_64(offset + offsetof(struct class_ro64_t, baseProtocols), S, |
5215 | info, n_value, cro.baseProtocols); |
5216 | if (n_value != 0) { |
5217 | if (info->verbose && sym_name != nullptr) |
5218 | outs() << sym_name; |
5219 | else |
5220 | outs() << format("0x%" PRIx64, n_value); |
5221 | if (cro.baseProtocols != 0) |
5222 | outs() << " + " << format("0x%" PRIx64, cro.baseProtocols); |
5223 | } else |
5224 | outs() << format("0x%" PRIx64, cro.baseProtocols); |
5225 | outs() << "\n"; |
5226 | if (cro.baseProtocols + n_value != 0) |
5227 | print_protocol_list64_t(cro.baseProtocols + n_value, info); |
5228 | |
5229 | outs() << " ivars "; |
5230 | sym_name = get_symbol_64(offset + offsetof(struct class_ro64_t, ivars), S, |
5231 | info, n_value, cro.ivars); |
5232 | if (n_value != 0) { |
5233 | if (info->verbose && sym_name != nullptr) |
5234 | outs() << sym_name; |
5235 | else |
5236 | outs() << format("0x%" PRIx64, n_value); |
5237 | if (cro.ivars != 0) |
5238 | outs() << " + " << format("0x%" PRIx64, cro.ivars); |
5239 | } else |
5240 | outs() << format("0x%" PRIx64, cro.ivars); |
5241 | outs() << "\n"; |
5242 | if (cro.ivars + n_value != 0) |
5243 | print_ivar_list64_t(cro.ivars + n_value, info); |
5244 | |
5245 | outs() << " weakIvarLayout "; |
5246 | sym_name = |
5247 | get_symbol_64(offset + offsetof(struct class_ro64_t, weakIvarLayout), S, |
5248 | info, n_value, cro.weakIvarLayout); |
5249 | if (n_value != 0) { |
5250 | if (info->verbose && sym_name != nullptr) |
5251 | outs() << sym_name; |
5252 | else |
5253 | outs() << format("0x%" PRIx64, n_value); |
5254 | if (cro.weakIvarLayout != 0) |
5255 | outs() << " + " << format("0x%" PRIx64, cro.weakIvarLayout); |
5256 | } else |
5257 | outs() << format("0x%" PRIx64, cro.weakIvarLayout); |
5258 | outs() << "\n"; |
5259 | print_layout_map64(cro.weakIvarLayout + n_value, info); |
5260 | |
5261 | outs() << " baseProperties "; |
5262 | sym_name = |
5263 | get_symbol_64(offset + offsetof(struct class_ro64_t, baseProperties), S, |
5264 | info, n_value, cro.baseProperties); |
5265 | if (n_value != 0) { |
5266 | if (info->verbose && sym_name != nullptr) |
5267 | outs() << sym_name; |
5268 | else |
5269 | outs() << format("0x%" PRIx64, n_value); |
5270 | if (cro.baseProperties != 0) |
5271 | outs() << " + " << format("0x%" PRIx64, cro.baseProperties); |
5272 | } else |
5273 | outs() << format("0x%" PRIx64, cro.baseProperties); |
5274 | outs() << "\n"; |
5275 | if (cro.baseProperties + n_value != 0) |
5276 | print_objc_property_list64(cro.baseProperties + n_value, info); |
5277 | |
5278 | is_meta_class = (cro.flags & RO_META) != 0; |
5279 | return true; |
5280 | } |
5281 | |
5282 | static bool print_class_ro32_t(uint32_t p, struct DisassembleInfo *info, |
5283 | bool &is_meta_class) { |
5284 | struct class_ro32_t cro; |
5285 | const char *r; |
5286 | uint32_t offset, xoffset, left; |
5287 | SectionRef S, xS; |
5288 | const char *name; |
5289 | |
5290 | r = get_pointer_32(p, offset, left, S, info); |
5291 | if (r == nullptr) |
5292 | return false; |
5293 | memset(&cro, '\0', sizeof(struct class_ro32_t)); |
5294 | if (left < sizeof(struct class_ro32_t)) { |
5295 | memcpy(&cro, r, left); |
5296 | outs() << " (class_ro_t entends past the end of the section)\n"; |
5297 | } else |
5298 | memcpy(&cro, r, sizeof(struct class_ro32_t)); |
5299 | if (info->O->isLittleEndian() != sys::IsLittleEndianHost) |
5300 | swapStruct(cro); |
5301 | outs() << " flags " << format("0x%" PRIx32, cro.flags); |
5302 | if (cro.flags & RO_META) |
5303 | outs() << " RO_META"; |
5304 | if (cro.flags & RO_ROOT) |
5305 | outs() << " RO_ROOT"; |
5306 | if (cro.flags & RO_HAS_CXX_STRUCTORS) |
5307 | outs() << " RO_HAS_CXX_STRUCTORS"; |
5308 | outs() << "\n"; |
5309 | outs() << " instanceStart " << cro.instanceStart << "\n"; |
5310 | outs() << " instanceSize " << cro.instanceSize << "\n"; |
5311 | outs() << " ivarLayout " << format("0x%" PRIx32, cro.ivarLayout) |
5312 | << "\n"; |
5313 | print_layout_map32(cro.ivarLayout, info); |
5314 | |
5315 | outs() << " name " << format("0x%" PRIx32, cro.name); |
5316 | name = get_pointer_32(cro.name, xoffset, left, xS, info); |
5317 | if (name != nullptr) |
5318 | outs() << format(" %.*s", left, name); |
5319 | outs() << "\n"; |
5320 | |
5321 | outs() << " baseMethods " |
5322 | << format("0x%" PRIx32, cro.baseMethods) |
5323 | << " (struct method_list_t *)\n"; |
5324 | if (cro.baseMethods != 0) |
5325 | print_method_list32_t(cro.baseMethods, info, ""); |
5326 | |
5327 | outs() << " baseProtocols " |
5328 | << format("0x%" PRIx32, cro.baseProtocols) << "\n"; |
5329 | if (cro.baseProtocols != 0) |
5330 | print_protocol_list32_t(cro.baseProtocols, info); |
5331 | outs() << " ivars " << format("0x%" PRIx32, cro.ivars) |
5332 | << "\n"; |
5333 | if (cro.ivars != 0) |
5334 | print_ivar_list32_t(cro.ivars, info); |
5335 | outs() << " weakIvarLayout " |
5336 | << format("0x%" PRIx32, cro.weakIvarLayout) << "\n"; |
5337 | print_layout_map32(cro.weakIvarLayout, info); |
5338 | outs() << " baseProperties " |
5339 | << format("0x%" PRIx32, cro.baseProperties) << "\n"; |
5340 | if (cro.baseProperties != 0) |
5341 | print_objc_property_list32(cro.baseProperties, info); |
5342 | is_meta_class = (cro.flags & RO_META) != 0; |
5343 | return true; |
5344 | } |
5345 | |
5346 | static void print_class64_t(uint64_t p, struct DisassembleInfo *info) { |
5347 | struct class64_t c; |
5348 | const char *r; |
5349 | uint32_t offset, left; |
5350 | SectionRef S; |
5351 | const char *name; |
5352 | uint64_t isa_n_value, n_value; |
5353 | |
5354 | r = get_pointer_64(p, offset, left, S, info); |
5355 | if (r == nullptr || left < sizeof(struct class64_t)) |
5356 | return; |
5357 | memcpy(&c, r, sizeof(struct class64_t)); |
5358 | if (info->O->isLittleEndian() != sys::IsLittleEndianHost) |
5359 | swapStruct(c); |
5360 | |
5361 | outs() << " isa " << format("0x%" PRIx64, c.isa); |
5362 | name = get_symbol_64(offset + offsetof(struct class64_t, isa), S, info, |
5363 | isa_n_value, c.isa); |
5364 | if (name != nullptr) |
5365 | outs() << " " << name; |
5366 | outs() << "\n"; |
5367 | |
5368 | outs() << " superclass " << format("0x%" PRIx64, c.superclass); |
5369 | name = get_symbol_64(offset + offsetof(struct class64_t, superclass), S, info, |
5370 | n_value, c.superclass); |
5371 | if (name != nullptr) |
5372 | outs() << " " << name; |
5373 | else { |
5374 | name = get_dyld_bind_info_symbolname(S.getAddress() + |
5375 | offset + offsetof(struct class64_t, superclass), info); |
5376 | if (name != nullptr) |
5377 | outs() << " " << name; |
5378 | } |
5379 | outs() << "\n"; |
5380 | |
5381 | outs() << " cache " << format("0x%" PRIx64, c.cache); |
5382 | name = get_symbol_64(offset + offsetof(struct class64_t, cache), S, info, |
5383 | n_value, c.cache); |
5384 | if (name != nullptr) |
5385 | outs() << " " << name; |
5386 | outs() << "\n"; |
5387 | |
5388 | outs() << " vtable " << format("0x%" PRIx64, c.vtable); |
5389 | name = get_symbol_64(offset + offsetof(struct class64_t, vtable), S, info, |
5390 | n_value, c.vtable); |
5391 | if (name != nullptr) |
5392 | outs() << " " << name; |
5393 | outs() << "\n"; |
5394 | |
5395 | name = get_symbol_64(offset + offsetof(struct class64_t, data), S, info, |
5396 | n_value, c.data); |
5397 | outs() << " data "; |
5398 | if (n_value != 0) { |
5399 | if (info->verbose && name != nullptr) |
5400 | outs() << name; |
5401 | else |
5402 | outs() << format("0x%" PRIx64, n_value); |
5403 | if (c.data != 0) |
5404 | outs() << " + " << format("0x%" PRIx64, c.data); |
5405 | } else |
5406 | outs() << format("0x%" PRIx64, c.data); |
5407 | outs() << " (struct class_ro_t *)"; |
5408 | |
5409 | |
5410 | if ((c.data + n_value) & 0x7) |
5411 | outs() << " Swift class"; |
5412 | outs() << "\n"; |
5413 | bool is_meta_class; |
5414 | if (!print_class_ro64_t((c.data + n_value) & ~0x7, info, is_meta_class)) |
5415 | return; |
5416 | |
5417 | if (!is_meta_class && |
5418 | c.isa + isa_n_value != p && |
5419 | c.isa + isa_n_value != 0 && |
5420 | info->depth < 100) { |
5421 | info->depth++; |
5422 | outs() << "Meta Class\n"; |
5423 | print_class64_t(c.isa + isa_n_value, info); |
5424 | } |
5425 | } |
5426 | |
5427 | static void print_class32_t(uint32_t p, struct DisassembleInfo *info) { |
5428 | struct class32_t c; |
5429 | const char *r; |
5430 | uint32_t offset, left; |
5431 | SectionRef S; |
5432 | const char *name; |
5433 | |
5434 | r = get_pointer_32(p, offset, left, S, info); |
5435 | if (r == nullptr) |
5436 | return; |
5437 | memset(&c, '\0', sizeof(struct class32_t)); |
5438 | if (left < sizeof(struct class32_t)) { |
5439 | memcpy(&c, r, left); |
5440 | outs() << " (class_t entends past the end of the section)\n"; |
5441 | } else |
5442 | memcpy(&c, r, sizeof(struct class32_t)); |
5443 | if (info->O->isLittleEndian() != sys::IsLittleEndianHost) |
5444 | swapStruct(c); |
5445 | |
5446 | outs() << " isa " << format("0x%" PRIx32, c.isa); |
5447 | name = |
5448 | get_symbol_32(offset + offsetof(struct class32_t, isa), S, info, c.isa); |
5449 | if (name != nullptr) |
5450 | outs() << " " << name; |
5451 | outs() << "\n"; |
5452 | |
5453 | outs() << " superclass " << format("0x%" PRIx32, c.superclass); |
5454 | name = get_symbol_32(offset + offsetof(struct class32_t, superclass), S, info, |
5455 | c.superclass); |
5456 | if (name != nullptr) |
5457 | outs() << " " << name; |
5458 | outs() << "\n"; |
5459 | |
5460 | outs() << " cache " << format("0x%" PRIx32, c.cache); |
5461 | name = get_symbol_32(offset + offsetof(struct class32_t, cache), S, info, |
5462 | c.cache); |
5463 | if (name != nullptr) |
5464 | outs() << " " << name; |
5465 | outs() << "\n"; |
5466 | |
5467 | outs() << " vtable " << format("0x%" PRIx32, c.vtable); |
5468 | name = get_symbol_32(offset + offsetof(struct class32_t, vtable), S, info, |
5469 | c.vtable); |
5470 | if (name != nullptr) |
5471 | outs() << " " << name; |
5472 | outs() << "\n"; |
5473 | |
5474 | name = |
5475 | get_symbol_32(offset + offsetof(struct class32_t, data), S, info, c.data); |
5476 | outs() << " data " << format("0x%" PRIx32, c.data) |
5477 | << " (struct class_ro_t *)"; |
5478 | |
5479 | |
5480 | if (c.data & 0x3) |
5481 | outs() << " Swift class"; |
5482 | outs() << "\n"; |
5483 | bool is_meta_class; |
5484 | if (!print_class_ro32_t(c.data & ~0x3, info, is_meta_class)) |
5485 | return; |
5486 | |
5487 | if (!is_meta_class) { |
5488 | outs() << "Meta Class\n"; |
5489 | print_class32_t(c.isa, info); |
5490 | } |
5491 | } |
5492 | |
5493 | static void print_objc_class_t(struct objc_class_t *objc_class, |
5494 | struct DisassembleInfo *info) { |
5495 | uint32_t offset, left, xleft; |
5496 | const char *name, *p, *ivar_list; |
5497 | SectionRef S; |
5498 | int32_t i; |
5499 | struct objc_ivar_list_t objc_ivar_list; |
5500 | struct objc_ivar_t ivar; |
5501 | |
5502 | outs() << "\t\t isa " << format("0x%08" PRIx32, objc_class->isa); |
5503 | if (info->verbose && CLS_GETINFO(objc_class, CLS_META)) { |
5504 | name = get_pointer_32(objc_class->isa, offset, left, S, info, true); |
5505 | if (name != nullptr) |
5506 | outs() << format(" %.*s", left, name); |
5507 | else |
5508 | outs() << " (not in an __OBJC section)"; |
5509 | } |
5510 | outs() << "\n"; |
5511 | |
5512 | outs() << "\t super_class " |
5513 | << format("0x%08" PRIx32, objc_class->super_class); |
5514 | if (info->verbose) { |
5515 | name = get_pointer_32(objc_class->super_class, offset, left, S, info, true); |
5516 | if (name != nullptr) |
5517 | outs() << format(" %.*s", left, name); |
5518 | else |
5519 | outs() << " (not in an __OBJC section)"; |
5520 | } |
5521 | outs() << "\n"; |
5522 | |
5523 | outs() << "\t\t name " << format("0x%08" PRIx32, objc_class->name); |
5524 | if (info->verbose) { |
5525 | name = get_pointer_32(objc_class->name, offset, left, S, info, true); |
5526 | if (name != nullptr) |
5527 | outs() << format(" %.*s", left, name); |
5528 | else |
5529 | outs() << " (not in an __OBJC section)"; |
5530 | } |
5531 | outs() << "\n"; |
5532 | |
5533 | outs() << "\t\t version " << format("0x%08" PRIx32, objc_class->version) |
5534 | << "\n"; |
5535 | |
5536 | outs() << "\t\t info " << format("0x%08" PRIx32, objc_class->info); |
5537 | if (info->verbose) { |
5538 | if (CLS_GETINFO(objc_class, CLS_CLASS)) |
5539 | outs() << " CLS_CLASS"; |
5540 | else if (CLS_GETINFO(objc_class, CLS_META)) |
5541 | outs() << " CLS_META"; |
5542 | } |
5543 | outs() << "\n"; |
5544 | |
5545 | outs() << "\t instance_size " |
5546 | << format("0x%08" PRIx32, objc_class->instance_size) << "\n"; |
5547 | |
5548 | p = get_pointer_32(objc_class->ivars, offset, left, S, info, true); |
5549 | outs() << "\t\t ivars " << format("0x%08" PRIx32, objc_class->ivars); |
5550 | if (p != nullptr) { |
5551 | if (left > sizeof(struct objc_ivar_list_t)) { |
5552 | outs() << "\n"; |
5553 | memcpy(&objc_ivar_list, p, sizeof(struct objc_ivar_list_t)); |
5554 | } else { |
5555 | outs() << " (entends past the end of the section)\n"; |
5556 | memset(&objc_ivar_list, '\0', sizeof(struct objc_ivar_list_t)); |
5557 | memcpy(&objc_ivar_list, p, left); |
5558 | } |
5559 | if (info->O->isLittleEndian() != sys::IsLittleEndianHost) |
5560 | swapStruct(objc_ivar_list); |
5561 | outs() << "\t\t ivar_count " << objc_ivar_list.ivar_count << "\n"; |
5562 | ivar_list = p + sizeof(struct objc_ivar_list_t); |
5563 | for (i = 0; i < objc_ivar_list.ivar_count; i++) { |
5564 | if ((i + 1) * sizeof(struct objc_ivar_t) > left) { |
5565 | outs() << "\t\t remaining ivar's extend past the of the section\n"; |
5566 | break; |
5567 | } |
5568 | memcpy(&ivar, ivar_list + i * sizeof(struct objc_ivar_t), |
5569 | sizeof(struct objc_ivar_t)); |
5570 | if (info->O->isLittleEndian() != sys::IsLittleEndianHost) |
5571 | swapStruct(ivar); |
5572 | |
5573 | outs() << "\t\t\tivar_name " << format("0x%08" PRIx32, ivar.ivar_name); |
5574 | if (info->verbose) { |
5575 | name = get_pointer_32(ivar.ivar_name, offset, xleft, S, info, true); |
5576 | if (name != nullptr) |
5577 | outs() << format(" %.*s", xleft, name); |
5578 | else |
5579 | outs() << " (not in an __OBJC section)"; |
5580 | } |
5581 | outs() << "\n"; |
5582 | |
5583 | outs() << "\t\t\tivar_type " << format("0x%08" PRIx32, ivar.ivar_type); |
5584 | if (info->verbose) { |
5585 | name = get_pointer_32(ivar.ivar_type, offset, xleft, S, info, true); |
5586 | if (name != nullptr) |
5587 | outs() << format(" %.*s", xleft, name); |
5588 | else |
5589 | outs() << " (not in an __OBJC section)"; |
5590 | } |
5591 | outs() << "\n"; |
5592 | |
5593 | outs() << "\t\t ivar_offset " |
5594 | << format("0x%08" PRIx32, ivar.ivar_offset) << "\n"; |
5595 | } |
5596 | } else { |
5597 | outs() << " (not in an __OBJC section)\n"; |
5598 | } |
5599 | |
5600 | outs() << "\t\t methods " << format("0x%08" PRIx32, objc_class->methodLists); |
5601 | if (print_method_list(objc_class->methodLists, info)) |
5602 | outs() << " (not in an __OBJC section)\n"; |
5603 | |
5604 | outs() << "\t\t cache " << format("0x%08" PRIx32, objc_class->cache) |
5605 | << "\n"; |
5606 | |
5607 | outs() << "\t\tprotocols " << format("0x%08" PRIx32, objc_class->protocols); |
5608 | if (print_protocol_list(objc_class->protocols, 16, info)) |
5609 | outs() << " (not in an __OBJC section)\n"; |
5610 | } |
5611 | |
5612 | static void print_objc_objc_category_t(struct objc_category_t *objc_category, |
5613 | struct DisassembleInfo *info) { |
5614 | uint32_t offset, left; |
5615 | const char *name; |
5616 | SectionRef S; |
5617 | |
5618 | outs() << "\t category name " |
5619 | << format("0x%08" PRIx32, objc_category->category_name); |
5620 | if (info->verbose) { |
5621 | name = get_pointer_32(objc_category->category_name, offset, left, S, info, |
5622 | true); |
5623 | if (name != nullptr) |
5624 | outs() << format(" %.*s", left, name); |
5625 | else |
5626 | outs() << " (not in an __OBJC section)"; |
5627 | } |
5628 | outs() << "\n"; |
5629 | |
5630 | outs() << "\t\t class name " |
5631 | << format("0x%08" PRIx32, objc_category->class_name); |
5632 | if (info->verbose) { |
5633 | name = |
5634 | get_pointer_32(objc_category->class_name, offset, left, S, info, true); |
5635 | if (name != nullptr) |
5636 | outs() << format(" %.*s", left, name); |
5637 | else |
5638 | outs() << " (not in an __OBJC section)"; |
5639 | } |
5640 | outs() << "\n"; |
5641 | |
5642 | outs() << "\t instance methods " |
5643 | << format("0x%08" PRIx32, objc_category->instance_methods); |
5644 | if (print_method_list(objc_category->instance_methods, info)) |
5645 | outs() << " (not in an __OBJC section)\n"; |
5646 | |
5647 | outs() << "\t class methods " |
5648 | << format("0x%08" PRIx32, objc_category->class_methods); |
5649 | if (print_method_list(objc_category->class_methods, info)) |
5650 | outs() << " (not in an __OBJC section)\n"; |
5651 | } |
5652 | |
5653 | static void print_category64_t(uint64_t p, struct DisassembleInfo *info) { |
5654 | struct category64_t c; |
5655 | const char *r; |
5656 | uint32_t offset, xoffset, left; |
5657 | SectionRef S, xS; |
5658 | const char *name, *sym_name; |
5659 | uint64_t n_value; |
5660 | |
5661 | r = get_pointer_64(p, offset, left, S, info); |
5662 | if (r == nullptr) |
5663 | return; |
5664 | memset(&c, '\0', sizeof(struct category64_t)); |
5665 | if (left < sizeof(struct category64_t)) { |
5666 | memcpy(&c, r, left); |
5667 | outs() << " (category_t entends past the end of the section)\n"; |
5668 | } else |
5669 | memcpy(&c, r, sizeof(struct category64_t)); |
5670 | if (info->O->isLittleEndian() != sys::IsLittleEndianHost) |
5671 | swapStruct(c); |
5672 | |
5673 | outs() << " name "; |
5674 | sym_name = get_symbol_64(offset + offsetof(struct category64_t, name), S, |
5675 | info, n_value, c.name); |
5676 | if (n_value != 0) { |
5677 | if (info->verbose && sym_name != nullptr) |
5678 | outs() << sym_name; |
5679 | else |
5680 | outs() << format("0x%" PRIx64, n_value); |
5681 | if (c.name != 0) |
5682 | outs() << " + " << format("0x%" PRIx64, c.name); |
5683 | } else |
5684 | outs() << format("0x%" PRIx64, c.name); |
5685 | name = get_pointer_64(c.name + n_value, xoffset, left, xS, info); |
5686 | if (name != nullptr) |
5687 | outs() << format(" %.*s", left, name); |
5688 | outs() << "\n"; |
5689 | |
5690 | outs() << " cls "; |
5691 | sym_name = get_symbol_64(offset + offsetof(struct category64_t, cls), S, info, |
5692 | n_value, c.cls); |
5693 | if (n_value != 0) { |
5694 | if (info->verbose && sym_name != nullptr) |
5695 | outs() << sym_name; |
5696 | else |
5697 | outs() << format("0x%" PRIx64, n_value); |
5698 | if (c.cls != 0) |
5699 | outs() << " + " << format("0x%" PRIx64, c.cls); |
5700 | } else |
5701 | outs() << format("0x%" PRIx64, c.cls); |
5702 | outs() << "\n"; |
5703 | if (c.cls + n_value != 0) |
5704 | print_class64_t(c.cls + n_value, info); |
5705 | |
5706 | outs() << " instanceMethods "; |
5707 | sym_name = |
5708 | get_symbol_64(offset + offsetof(struct category64_t, instanceMethods), S, |
5709 | info, n_value, c.instanceMethods); |
5710 | if (n_value != 0) { |
5711 | if (info->verbose && sym_name != nullptr) |
5712 | outs() << sym_name; |
5713 | else |
5714 | outs() << format("0x%" PRIx64, n_value); |
5715 | if (c.instanceMethods != 0) |
5716 | outs() << " + " << format("0x%" PRIx64, c.instanceMethods); |
5717 | } else |
5718 | outs() << format("0x%" PRIx64, c.instanceMethods); |
5719 | outs() << "\n"; |
5720 | if (c.instanceMethods + n_value != 0) |
5721 | print_method_list64_t(c.instanceMethods + n_value, info, ""); |
5722 | |
5723 | outs() << " classMethods "; |
5724 | sym_name = get_symbol_64(offset + offsetof(struct category64_t, classMethods), |
5725 | S, info, n_value, c.classMethods); |
5726 | if (n_value != 0) { |
5727 | if (info->verbose && sym_name != nullptr) |
5728 | outs() << sym_name; |
5729 | else |
5730 | outs() << format("0x%" PRIx64, n_value); |
5731 | if (c.classMethods != 0) |
5732 | outs() << " + " << format("0x%" PRIx64, c.classMethods); |
5733 | } else |
5734 | outs() << format("0x%" PRIx64, c.classMethods); |
5735 | outs() << "\n"; |
5736 | if (c.classMethods + n_value != 0) |
5737 | print_method_list64_t(c.classMethods + n_value, info, ""); |
5738 | |
5739 | outs() << " protocols "; |
5740 | sym_name = get_symbol_64(offset + offsetof(struct category64_t, protocols), S, |
5741 | info, n_value, c.protocols); |
5742 | if (n_value != 0) { |
5743 | if (info->verbose && sym_name != nullptr) |
5744 | outs() << sym_name; |
5745 | else |
5746 | outs() << format("0x%" PRIx64, n_value); |
5747 | if (c.protocols != 0) |
5748 | outs() << " + " << format("0x%" PRIx64, c.protocols); |
5749 | } else |
5750 | outs() << format("0x%" PRIx64, c.protocols); |
5751 | outs() << "\n"; |
5752 | if (c.protocols + n_value != 0) |
5753 | print_protocol_list64_t(c.protocols + n_value, info); |
5754 | |
5755 | outs() << "instanceProperties "; |
5756 | sym_name = |
5757 | get_symbol_64(offset + offsetof(struct category64_t, instanceProperties), |
5758 | S, info, n_value, c.instanceProperties); |
5759 | if (n_value != 0) { |
5760 | if (info->verbose && sym_name != nullptr) |
5761 | outs() << sym_name; |
5762 | else |
5763 | outs() << format("0x%" PRIx64, n_value); |
5764 | if (c.instanceProperties != 0) |
5765 | outs() << " + " << format("0x%" PRIx64, c.instanceProperties); |
5766 | } else |
5767 | outs() << format("0x%" PRIx64, c.instanceProperties); |
5768 | outs() << "\n"; |
5769 | if (c.instanceProperties + n_value != 0) |
5770 | print_objc_property_list64(c.instanceProperties + n_value, info); |
5771 | } |
5772 | |
5773 | static void print_category32_t(uint32_t p, struct DisassembleInfo *info) { |
5774 | struct category32_t c; |
5775 | const char *r; |
5776 | uint32_t offset, left; |
5777 | SectionRef S, xS; |
5778 | const char *name; |
5779 | |
5780 | r = get_pointer_32(p, offset, left, S, info); |
5781 | if (r == nullptr) |
5782 | return; |
5783 | memset(&c, '\0', sizeof(struct category32_t)); |
5784 | if (left < sizeof(struct category32_t)) { |
5785 | memcpy(&c, r, left); |
5786 | outs() << " (category_t entends past the end of the section)\n"; |
5787 | } else |
5788 | memcpy(&c, r, sizeof(struct category32_t)); |
5789 | if (info->O->isLittleEndian() != sys::IsLittleEndianHost) |
5790 | swapStruct(c); |
5791 | |
5792 | outs() << " name " << format("0x%" PRIx32, c.name); |
5793 | name = get_symbol_32(offset + offsetof(struct category32_t, name), S, info, |
5794 | c.name); |
5795 | if (name) |
5796 | outs() << " " << name; |
5797 | outs() << "\n"; |
5798 | |
5799 | outs() << " cls " << format("0x%" PRIx32, c.cls) << "\n"; |
5800 | if (c.cls != 0) |
5801 | print_class32_t(c.cls, info); |
5802 | outs() << " instanceMethods " << format("0x%" PRIx32, c.instanceMethods) |
5803 | << "\n"; |
5804 | if (c.instanceMethods != 0) |
5805 | print_method_list32_t(c.instanceMethods, info, ""); |
5806 | outs() << " classMethods " << format("0x%" PRIx32, c.classMethods) |
5807 | << "\n"; |
5808 | if (c.classMethods != 0) |
5809 | print_method_list32_t(c.classMethods, info, ""); |
5810 | outs() << " protocols " << format("0x%" PRIx32, c.protocols) << "\n"; |
5811 | if (c.protocols != 0) |
5812 | print_protocol_list32_t(c.protocols, info); |
5813 | outs() << "instanceProperties " << format("0x%" PRIx32, c.instanceProperties) |
5814 | << "\n"; |
5815 | if (c.instanceProperties != 0) |
5816 | print_objc_property_list32(c.instanceProperties, info); |
5817 | } |
5818 | |
5819 | static void print_message_refs64(SectionRef S, struct DisassembleInfo *info) { |
5820 | uint32_t i, left, offset, xoffset; |
5821 | uint64_t p, n_value; |
5822 | struct message_ref64 mr; |
5823 | const char *name, *sym_name; |
5824 | const char *r; |
5825 | SectionRef xS; |
5826 | |
5827 | if (S == SectionRef()) |
5828 | return; |
5829 | |
5830 | StringRef SectName; |
5831 | Expected<StringRef> SecNameOrErr = S.getName(); |
5832 | if (SecNameOrErr) |
5833 | SectName = *SecNameOrErr; |
5834 | else |
5835 | consumeError(SecNameOrErr.takeError()); |
5836 | |
5837 | DataRefImpl Ref = S.getRawDataRefImpl(); |
5838 | StringRef SegName = info->O->getSectionFinalSegmentName(Ref); |
5839 | outs() << "Contents of (" << SegName << "," << SectName << ") section\n"; |
5840 | offset = 0; |
5841 | for (i = 0; i < S.getSize(); i += sizeof(struct message_ref64)) { |
5842 | p = S.getAddress() + i; |
5843 | r = get_pointer_64(p, offset, left, S, info); |
5844 | if (r == nullptr) |
5845 | return; |
5846 | memset(&mr, '\0', sizeof(struct message_ref64)); |
5847 | if (left < sizeof(struct message_ref64)) { |
5848 | memcpy(&mr, r, left); |
5849 | outs() << " (message_ref entends past the end of the section)\n"; |
5850 | } else |
5851 | memcpy(&mr, r, sizeof(struct message_ref64)); |
5852 | if (info->O->isLittleEndian() != sys::IsLittleEndianHost) |
5853 | swapStruct(mr); |
5854 | |
5855 | outs() << " imp "; |
5856 | name = get_symbol_64(offset + offsetof(struct message_ref64, imp), S, info, |
5857 | n_value, mr.imp); |
5858 | if (n_value != 0) { |
5859 | outs() << format("0x%" PRIx64, n_value) << " "; |
5860 | if (mr.imp != 0) |
5861 | outs() << "+ " << format("0x%" PRIx64, mr.imp) << " "; |
5862 | } else |
5863 | outs() << format("0x%" PRIx64, mr.imp) << " "; |
5864 | if (name != nullptr) |
5865 | outs() << " " << name; |
5866 | outs() << "\n"; |
5867 | |
5868 | outs() << " sel "; |
5869 | sym_name = get_symbol_64(offset + offsetof(struct message_ref64, sel), S, |
5870 | info, n_value, mr.sel); |
5871 | if (n_value != 0) { |
5872 | if (info->verbose && sym_name != nullptr) |
5873 | outs() << sym_name; |
5874 | else |
5875 | outs() << format("0x%" PRIx64, n_value); |
5876 | if (mr.sel != 0) |
5877 | outs() << " + " << format("0x%" PRIx64, mr.sel); |
5878 | } else |
5879 | outs() << format("0x%" PRIx64, mr.sel); |
5880 | name = get_pointer_64(mr.sel + n_value, xoffset, left, xS, info); |
5881 | if (name != nullptr) |
5882 | outs() << format(" %.*s", left, name); |
5883 | outs() << "\n"; |
5884 | |
5885 | offset += sizeof(struct message_ref64); |
5886 | } |
5887 | } |
5888 | |
5889 | static void print_message_refs32(SectionRef S, struct DisassembleInfo *info) { |
5890 | uint32_t i, left, offset, xoffset, p; |
5891 | struct message_ref32 mr; |
5892 | const char *name, *r; |
5893 | SectionRef xS; |
5894 | |
5895 | if (S == SectionRef()) |
5896 | return; |
5897 | |
5898 | StringRef SectName; |
5899 | Expected<StringRef> SecNameOrErr = S.getName(); |
5900 | if (SecNameOrErr) |
5901 | SectName = *SecNameOrErr; |
5902 | else |
5903 | consumeError(SecNameOrErr.takeError()); |
5904 | |
5905 | DataRefImpl Ref = S.getRawDataRefImpl(); |
5906 | StringRef SegName = info->O->getSectionFinalSegmentName(Ref); |
5907 | outs() << "Contents of (" << SegName << "," << SectName << ") section\n"; |
5908 | offset = 0; |
5909 | for (i = 0; i < S.getSize(); i += sizeof(struct message_ref64)) { |
5910 | p = S.getAddress() + i; |
5911 | r = get_pointer_32(p, offset, left, S, info); |
5912 | if (r == nullptr) |
5913 | return; |
5914 | memset(&mr, '\0', sizeof(struct message_ref32)); |
5915 | if (left < sizeof(struct message_ref32)) { |
5916 | memcpy(&mr, r, left); |
5917 | outs() << " (message_ref entends past the end of the section)\n"; |
5918 | } else |
5919 | memcpy(&mr, r, sizeof(struct message_ref32)); |
5920 | if (info->O->isLittleEndian() != sys::IsLittleEndianHost) |
5921 | swapStruct(mr); |
5922 | |
5923 | outs() << " imp " << format("0x%" PRIx32, mr.imp); |
5924 | name = get_symbol_32(offset + offsetof(struct message_ref32, imp), S, info, |
5925 | mr.imp); |
5926 | if (name != nullptr) |
5927 | outs() << " " << name; |
5928 | outs() << "\n"; |
5929 | |
5930 | outs() << " sel " << format("0x%" PRIx32, mr.sel); |
5931 | name = get_pointer_32(mr.sel, xoffset, left, xS, info); |
5932 | if (name != nullptr) |
5933 | outs() << " " << name; |
5934 | outs() << "\n"; |
5935 | |
5936 | offset += sizeof(struct message_ref32); |
5937 | } |
5938 | } |
5939 | |
5940 | static void print_image_info64(SectionRef S, struct DisassembleInfo *info) { |
5941 | uint32_t left, offset, swift_version; |
5942 | uint64_t p; |
5943 | struct objc_image_info64 o; |
5944 | const char *r; |
5945 | |
5946 | if (S == SectionRef()) |
5947 | return; |
5948 | |
5949 | StringRef SectName; |
5950 | Expected<StringRef> SecNameOrErr = S.getName(); |
5951 | if (SecNameOrErr) |
5952 | SectName = *SecNameOrErr; |
5953 | else |
5954 | consumeError(SecNameOrErr.takeError()); |
5955 | |
5956 | DataRefImpl Ref = S.getRawDataRefImpl(); |
5957 | StringRef SegName = info->O->getSectionFinalSegmentName(Ref); |
5958 | outs() << "Contents of (" << SegName << "," << SectName << ") section\n"; |
5959 | p = S.getAddress(); |
5960 | r = get_pointer_64(p, offset, left, S, info); |
5961 | if (r == nullptr) |
5962 | return; |
5963 | memset(&o, '\0', sizeof(struct objc_image_info64)); |
5964 | if (left < sizeof(struct objc_image_info64)) { |
5965 | memcpy(&o, r, left); |
5966 | outs() << " (objc_image_info entends past the end of the section)\n"; |
5967 | } else |
5968 | memcpy(&o, r, sizeof(struct objc_image_info64)); |
5969 | if (info->O->isLittleEndian() != sys::IsLittleEndianHost) |
5970 | swapStruct(o); |
5971 | outs() << " version " << o.version << "\n"; |
5972 | outs() << " flags " << format("0x%" PRIx32, o.flags); |
5973 | if (o.flags & OBJC_IMAGE_IS_REPLACEMENT) |
5974 | outs() << " OBJC_IMAGE_IS_REPLACEMENT"; |
5975 | if (o.flags & OBJC_IMAGE_SUPPORTS_GC) |
5976 | outs() << " OBJC_IMAGE_SUPPORTS_GC"; |
5977 | if (o.flags & OBJC_IMAGE_IS_SIMULATED) |
5978 | outs() << " OBJC_IMAGE_IS_SIMULATED"; |
5979 | if (o.flags & OBJC_IMAGE_HAS_CATEGORY_CLASS_PROPERTIES) |
5980 | outs() << " OBJC_IMAGE_HAS_CATEGORY_CLASS_PROPERTIES"; |
5981 | swift_version = (o.flags >> 8) & 0xff; |
5982 | if (swift_version != 0) { |
5983 | if (swift_version == 1) |
5984 | outs() << " Swift 1.0"; |
5985 | else if (swift_version == 2) |
5986 | outs() << " Swift 1.1"; |
5987 | else if(swift_version == 3) |
5988 | outs() << " Swift 2.0"; |
5989 | else if(swift_version == 4) |
5990 | outs() << " Swift 3.0"; |
5991 | else if(swift_version == 5) |
5992 | outs() << " Swift 4.0"; |
5993 | else if(swift_version == 6) |
5994 | outs() << " Swift 4.1/Swift 4.2"; |
5995 | else if(swift_version == 7) |
5996 | outs() << " Swift 5 or later"; |
5997 | else |
5998 | outs() << " unknown future Swift version (" << swift_version << ")"; |
5999 | } |
6000 | outs() << "\n"; |
6001 | } |
6002 | |
6003 | static void print_image_info32(SectionRef S, struct DisassembleInfo *info) { |
6004 | uint32_t left, offset, swift_version, p; |
6005 | struct objc_image_info32 o; |
6006 | const char *r; |
6007 | |
6008 | if (S == SectionRef()) |
6009 | return; |
6010 | |
6011 | StringRef SectName; |
6012 | Expected<StringRef> SecNameOrErr = S.getName(); |
6013 | if (SecNameOrErr) |
6014 | SectName = *SecNameOrErr; |
6015 | else |
6016 | consumeError(SecNameOrErr.takeError()); |
6017 | |
6018 | DataRefImpl Ref = S.getRawDataRefImpl(); |
6019 | StringRef SegName = info->O->getSectionFinalSegmentName(Ref); |
6020 | outs() << "Contents of (" << SegName << "," << SectName << ") section\n"; |
6021 | p = S.getAddress(); |
6022 | r = get_pointer_32(p, offset, left, S, info); |
6023 | if (r == nullptr) |
6024 | return; |
6025 | memset(&o, '\0', sizeof(struct objc_image_info32)); |
6026 | if (left < sizeof(struct objc_image_info32)) { |
6027 | memcpy(&o, r, left); |
6028 | outs() << " (objc_image_info entends past the end of the section)\n"; |
6029 | } else |
6030 | memcpy(&o, r, sizeof(struct objc_image_info32)); |
6031 | if (info->O->isLittleEndian() != sys::IsLittleEndianHost) |
6032 | swapStruct(o); |
6033 | outs() << " version " << o.version << "\n"; |
6034 | outs() << " flags " << format("0x%" PRIx32, o.flags); |
6035 | if (o.flags & OBJC_IMAGE_IS_REPLACEMENT) |
6036 | outs() << " OBJC_IMAGE_IS_REPLACEMENT"; |
6037 | if (o.flags & OBJC_IMAGE_SUPPORTS_GC) |
6038 | outs() << " OBJC_IMAGE_SUPPORTS_GC"; |
6039 | swift_version = (o.flags >> 8) & 0xff; |
6040 | if (swift_version != 0) { |
6041 | if (swift_version == 1) |
6042 | outs() << " Swift 1.0"; |
6043 | else if (swift_version == 2) |
6044 | outs() << " Swift 1.1"; |
6045 | else if(swift_version == 3) |
6046 | outs() << " Swift 2.0"; |
6047 | else if(swift_version == 4) |
6048 | outs() << " Swift 3.0"; |
6049 | else if(swift_version == 5) |
6050 | outs() << " Swift 4.0"; |
6051 | else if(swift_version == 6) |
6052 | outs() << " Swift 4.1/Swift 4.2"; |
6053 | else if(swift_version == 7) |
6054 | outs() << " Swift 5 or later"; |
6055 | else |
6056 | outs() << " unknown future Swift version (" << swift_version << ")"; |
6057 | } |
6058 | outs() << "\n"; |
6059 | } |
6060 | |
6061 | static void print_image_info(SectionRef S, struct DisassembleInfo *info) { |
6062 | uint32_t left, offset, p; |
6063 | struct imageInfo_t o; |
6064 | const char *r; |
6065 | |
6066 | StringRef SectName; |
6067 | Expected<StringRef> SecNameOrErr = S.getName(); |
6068 | if (SecNameOrErr) |
6069 | SectName = *SecNameOrErr; |
6070 | else |
6071 | consumeError(SecNameOrErr.takeError()); |
6072 | |
6073 | DataRefImpl Ref = S.getRawDataRefImpl(); |
6074 | StringRef SegName = info->O->getSectionFinalSegmentName(Ref); |
6075 | outs() << "Contents of (" << SegName << "," << SectName << ") section\n"; |
6076 | p = S.getAddress(); |
6077 | r = get_pointer_32(p, offset, left, S, info); |
6078 | if (r == nullptr) |
6079 | return; |
6080 | memset(&o, '\0', sizeof(struct imageInfo_t)); |
6081 | if (left < sizeof(struct imageInfo_t)) { |
6082 | memcpy(&o, r, left); |
6083 | outs() << " (imageInfo entends past the end of the section)\n"; |
6084 | } else |
6085 | memcpy(&o, r, sizeof(struct imageInfo_t)); |
6086 | if (info->O->isLittleEndian() != sys::IsLittleEndianHost) |
6087 | swapStruct(o); |
6088 | outs() << " version " << o.version << "\n"; |
6089 | outs() << " flags " << format("0x%" PRIx32, o.flags); |
6090 | if (o.flags & 0x1) |
6091 | outs() << " F&C"; |
6092 | if (o.flags & 0x2) |
6093 | outs() << " GC"; |
6094 | if (o.flags & 0x4) |
6095 | outs() << " GC-only"; |
6096 | else |
6097 | outs() << " RR"; |
6098 | outs() << "\n"; |
6099 | } |
6100 | |
6101 | static void printObjc2_64bit_MetaData(MachOObjectFile *O, bool verbose) { |
6102 | SymbolAddressMap AddrMap; |
6103 | if (verbose) |
6104 | CreateSymbolAddressMap(O, &AddrMap); |
6105 | |
6106 | std::vector<SectionRef> Sections; |
6107 | append_range(Sections, O->sections()); |
6108 | |
6109 | struct DisassembleInfo info(O, &AddrMap, &Sections, verbose); |
6110 | |
6111 | SectionRef CL = get_section(O, "__OBJC2", "__class_list"); |
6112 | if (CL == SectionRef()) |
6113 | CL = get_section(O, "__DATA", "__objc_classlist"); |
6114 | if (CL == SectionRef()) |
6115 | CL = get_section(O, "__DATA_CONST", "__objc_classlist"); |
6116 | if (CL == SectionRef()) |
6117 | CL = get_section(O, "__DATA_DIRTY", "__objc_classlist"); |
6118 | info.S = CL; |
6119 | walk_pointer_list_64("class", CL, O, &info, print_class64_t); |
6120 | |
6121 | SectionRef CR = get_section(O, "__OBJC2", "__class_refs"); |
6122 | if (CR == SectionRef()) |
6123 | CR = get_section(O, "__DATA", "__objc_classrefs"); |
6124 | if (CR == SectionRef()) |
6125 | CR = get_section(O, "__DATA_CONST", "__objc_classrefs"); |
6126 | if (CR == SectionRef()) |
6127 | CR = get_section(O, "__DATA_DIRTY", "__objc_classrefs"); |
6128 | info.S = CR; |
6129 | walk_pointer_list_64("class refs", CR, O, &info, nullptr); |
6130 | |
6131 | SectionRef SR = get_section(O, "__OBJC2", "__super_refs"); |
6132 | if (SR == SectionRef()) |
6133 | SR = get_section(O, "__DATA", "__objc_superrefs"); |
6134 | if (SR == SectionRef()) |
6135 | SR = get_section(O, "__DATA_CONST", "__objc_superrefs"); |
6136 | if (SR == SectionRef()) |
6137 | SR = get_section(O, "__DATA_DIRTY", "__objc_superrefs"); |
6138 | info.S = SR; |
6139 | walk_pointer_list_64("super refs", SR, O, &info, nullptr); |
6140 | |
6141 | SectionRef CA = get_section(O, "__OBJC2", "__category_list"); |
6142 | if (CA == SectionRef()) |
6143 | CA = get_section(O, "__DATA", "__objc_catlist"); |
6144 | if (CA == SectionRef()) |
6145 | CA = get_section(O, "__DATA_CONST", "__objc_catlist"); |
6146 | if (CA == SectionRef()) |
6147 | CA = get_section(O, "__DATA_DIRTY", "__objc_catlist"); |
6148 | info.S = CA; |
6149 | walk_pointer_list_64("category", CA, O, &info, print_category64_t); |
6150 | |
6151 | SectionRef PL = get_section(O, "__OBJC2", "__protocol_list"); |
6152 | if (PL == SectionRef()) |
6153 | PL = get_section(O, "__DATA", "__objc_protolist"); |
6154 | if (PL == SectionRef()) |
6155 | PL = get_section(O, "__DATA_CONST", "__objc_protolist"); |
6156 | if (PL == SectionRef()) |
6157 | PL = get_section(O, "__DATA_DIRTY", "__objc_protolist"); |
6158 | info.S = PL; |
6159 | walk_pointer_list_64("protocol", PL, O, &info, nullptr); |
6160 | |
6161 | SectionRef MR = get_section(O, "__OBJC2", "__message_refs"); |
6162 | if (MR == SectionRef()) |
6163 | MR = get_section(O, "__DATA", "__objc_msgrefs"); |
6164 | if (MR == SectionRef()) |
6165 | MR = get_section(O, "__DATA_CONST", "__objc_msgrefs"); |
6166 | if (MR == SectionRef()) |
6167 | MR = get_section(O, "__DATA_DIRTY", "__objc_msgrefs"); |
6168 | info.S = MR; |
6169 | print_message_refs64(MR, &info); |
6170 | |
6171 | SectionRef II = get_section(O, "__OBJC2", "__image_info"); |
6172 | if (II == SectionRef()) |
6173 | II = get_section(O, "__DATA", "__objc_imageinfo"); |
6174 | if (II == SectionRef()) |
6175 | II = get_section(O, "__DATA_CONST", "__objc_imageinfo"); |
6176 | if (II == SectionRef()) |
6177 | II = get_section(O, "__DATA_DIRTY", "__objc_imageinfo"); |
6178 | info.S = II; |
6179 | print_image_info64(II, &info); |
6180 | } |
6181 | |
6182 | static void printObjc2_32bit_MetaData(MachOObjectFile *O, bool verbose) { |
6183 | SymbolAddressMap AddrMap; |
6184 | if (verbose) |
6185 | CreateSymbolAddressMap(O, &AddrMap); |
6186 | |
6187 | std::vector<SectionRef> Sections; |
6188 | append_range(Sections, O->sections()); |
6189 | |
6190 | struct DisassembleInfo info(O, &AddrMap, &Sections, verbose); |
6191 | |
6192 | SectionRef CL = get_section(O, "__OBJC2", "__class_list"); |
6193 | if (CL == SectionRef()) |
6194 | CL = get_section(O, "__DATA", "__objc_classlist"); |
6195 | if (CL == SectionRef()) |
6196 | CL = get_section(O, "__DATA_CONST", "__objc_classlist"); |
6197 | if (CL == SectionRef()) |
6198 | CL = get_section(O, "__DATA_DIRTY", "__objc_classlist"); |
6199 | info.S = CL; |
6200 | walk_pointer_list_32("class", CL, O, &info, print_class32_t); |
6201 | |
6202 | SectionRef CR = get_section(O, "__OBJC2", "__class_refs"); |
6203 | if (CR == SectionRef()) |
6204 | CR = get_section(O, "__DATA", "__objc_classrefs"); |
6205 | if (CR == SectionRef()) |
6206 | CR = get_section(O, "__DATA_CONST", "__objc_classrefs"); |
6207 | if (CR == SectionRef()) |
6208 | CR = get_section(O, "__DATA_DIRTY", "__objc_classrefs"); |
6209 | info.S = CR; |
6210 | walk_pointer_list_32("class refs", CR, O, &info, nullptr); |
6211 | |
6212 | SectionRef SR = get_section(O, "__OBJC2", "__super_refs"); |
6213 | if (SR == SectionRef()) |
6214 | SR = get_section(O, "__DATA", "__objc_superrefs"); |
6215 | if (SR == SectionRef()) |
6216 | SR = get_section(O, "__DATA_CONST", "__objc_superrefs"); |
6217 | if (SR == SectionRef()) |
6218 | SR = get_section(O, "__DATA_DIRTY", "__objc_superrefs"); |
6219 | info.S = SR; |
6220 | walk_pointer_list_32("super refs", SR, O, &info, nullptr); |
6221 | |
6222 | SectionRef CA = get_section(O, "__OBJC2", "__category_list"); |
6223 | if (CA == SectionRef()) |
6224 | CA = get_section(O, "__DATA", "__objc_catlist"); |
6225 | if (CA == SectionRef()) |
6226 | CA = get_section(O, "__DATA_CONST", "__objc_catlist"); |
6227 | if (CA == SectionRef()) |
6228 | CA = get_section(O, "__DATA_DIRTY", "__objc_catlist"); |
6229 | info.S = CA; |
6230 | walk_pointer_list_32("category", CA, O, &info, print_category32_t); |
6231 | |
6232 | SectionRef PL = get_section(O, "__OBJC2", "__protocol_list"); |
6233 | if (PL == SectionRef()) |
6234 | PL = get_section(O, "__DATA", "__objc_protolist"); |
6235 | if (PL == SectionRef()) |
6236 | PL = get_section(O, "__DATA_CONST", "__objc_protolist"); |
6237 | if (PL == SectionRef()) |
6238 | PL = get_section(O, "__DATA_DIRTY", "__objc_protolist"); |
6239 | info.S = PL; |
6240 | walk_pointer_list_32("protocol", PL, O, &info, nullptr); |
6241 | |
6242 | SectionRef MR = get_section(O, "__OBJC2", "__message_refs"); |
6243 | if (MR == SectionRef()) |
6244 | MR = get_section(O, "__DATA", "__objc_msgrefs"); |
6245 | if (MR == SectionRef()) |
6246 | MR = get_section(O, "__DATA_CONST", "__objc_msgrefs"); |
6247 | if (MR == SectionRef()) |
6248 | MR = get_section(O, "__DATA_DIRTY", "__objc_msgrefs"); |
6249 | info.S = MR; |
6250 | print_message_refs32(MR, &info); |
6251 | |
6252 | SectionRef II = get_section(O, "__OBJC2", "__image_info"); |
6253 | if (II == SectionRef()) |
6254 | II = get_section(O, "__DATA", "__objc_imageinfo"); |
6255 | if (II == SectionRef()) |
6256 | II = get_section(O, "__DATA_CONST", "__objc_imageinfo"); |
6257 | if (II == SectionRef()) |
6258 | II = get_section(O, "__DATA_DIRTY", "__objc_imageinfo"); |
6259 | info.S = II; |
6260 | print_image_info32(II, &info); |
6261 | } |
6262 | |
6263 | static bool printObjc1_32bit_MetaData(MachOObjectFile *O, bool verbose) { |
6264 | uint32_t i, j, p, offset, xoffset, left, defs_left, def; |
6265 | const char *r, *name, *defs; |
6266 | struct objc_module_t module; |
6267 | SectionRef S, xS; |
| 77 | | Calling defaulted default constructor for 'SectionRef' | |
|
| 79 | | Returning from default constructor for 'SectionRef' | |
|
6268 | struct objc_symtab_t symtab; |
6269 | struct objc_class_t objc_class; |
6270 | struct objc_category_t objc_category; |
6271 | |
6272 | outs() << "Objective-C segment\n"; |
6273 | S = get_section(O, "__OBJC", "__module_info"); |
6274 | if (S == SectionRef()) |
| |
6275 | return false; |
6276 | |
6277 | SymbolAddressMap AddrMap; |
6278 | if (verbose) |
| 81 | | Assuming 'verbose' is false | |
|
| |
6279 | CreateSymbolAddressMap(O, &AddrMap); |
6280 | |
6281 | std::vector<SectionRef> Sections; |
6282 | append_range(Sections, O->sections()); |
6283 | |
6284 | struct DisassembleInfo info(O, &AddrMap, &Sections, verbose); |
6285 | |
6286 | for (i = 0; i < S.getSize(); i += sizeof(struct objc_module_t)) { |
| 83 | | Calling 'SectionRef::getSize' | |
|
6287 | p = S.getAddress() + i; |
6288 | r = get_pointer_32(p, offset, left, S, &info, true); |
6289 | if (r == nullptr) |
6290 | return true; |
6291 | memset(&module, '\0', sizeof(struct objc_module_t)); |
6292 | if (left < sizeof(struct objc_module_t)) { |
6293 | memcpy(&module, r, left); |
6294 | outs() << " (module extends past end of __module_info section)\n"; |
6295 | } else |
6296 | memcpy(&module, r, sizeof(struct objc_module_t)); |
6297 | if (O->isLittleEndian() != sys::IsLittleEndianHost) |
6298 | swapStruct(module); |
6299 | |
6300 | outs() << "Module " << format("0x%" PRIx32, p) << "\n"; |
6301 | outs() << " version " << module.version << "\n"; |
6302 | outs() << " size " << module.size << "\n"; |
6303 | outs() << " name "; |
6304 | name = get_pointer_32(module.name, xoffset, left, xS, &info, true); |
6305 | if (name != nullptr) |
6306 | outs() << format("%.*s", left, name); |
6307 | else |
6308 | outs() << format("0x%08" PRIx32, module.name) |
6309 | << "(not in an __OBJC section)"; |
6310 | outs() << "\n"; |
6311 | |
6312 | r = get_pointer_32(module.symtab, xoffset, left, xS, &info, true); |
6313 | if (module.symtab == 0 || r == nullptr) { |
6314 | outs() << " symtab " << format("0x%08" PRIx32, module.symtab) |
6315 | << " (not in an __OBJC section)\n"; |
6316 | continue; |
6317 | } |
6318 | outs() << " symtab " << format("0x%08" PRIx32, module.symtab) << "\n"; |
6319 | memset(&symtab, '\0', sizeof(struct objc_symtab_t)); |
6320 | defs_left = 0; |
6321 | defs = nullptr; |
6322 | if (left < sizeof(struct objc_symtab_t)) { |
6323 | memcpy(&symtab, r, left); |
6324 | outs() << "\tsymtab extends past end of an __OBJC section)\n"; |
6325 | } else { |
6326 | memcpy(&symtab, r, sizeof(struct objc_symtab_t)); |
6327 | if (left > sizeof(struct objc_symtab_t)) { |
6328 | defs_left = left - sizeof(struct objc_symtab_t); |
6329 | defs = r + sizeof(struct objc_symtab_t); |
6330 | } |
6331 | } |
6332 | if (O->isLittleEndian() != sys::IsLittleEndianHost) |
6333 | swapStruct(symtab); |
6334 | |
6335 | outs() << "\tsel_ref_cnt " << symtab.sel_ref_cnt << "\n"; |
6336 | r = get_pointer_32(symtab.refs, xoffset, left, xS, &info, true); |
6337 | outs() << "\trefs " << format("0x%08" PRIx32, symtab.refs); |
6338 | if (r == nullptr) |
6339 | outs() << " (not in an __OBJC section)"; |
6340 | outs() << "\n"; |
6341 | outs() << "\tcls_def_cnt " << symtab.cls_def_cnt << "\n"; |
6342 | outs() << "\tcat_def_cnt " << symtab.cat_def_cnt << "\n"; |
6343 | if (symtab.cls_def_cnt > 0) |
6344 | outs() << "\tClass Definitions\n"; |
6345 | for (j = 0; j < symtab.cls_def_cnt; j++) { |
6346 | if ((j + 1) * sizeof(uint32_t) > defs_left) { |
6347 | outs() << "\t(remaining class defs entries entends past the end of the " |
6348 | << "section)\n"; |
6349 | break; |
6350 | } |
6351 | memcpy(&def, defs + j * sizeof(uint32_t), sizeof(uint32_t)); |
6352 | if (O->isLittleEndian() != sys::IsLittleEndianHost) |
6353 | sys::swapByteOrder(def); |
6354 | |
6355 | r = get_pointer_32(def, xoffset, left, xS, &info, true); |
6356 | outs() << "\tdefs[" << j << "] " << format("0x%08" PRIx32, def); |
6357 | if (r != nullptr) { |
6358 | if (left > sizeof(struct objc_class_t)) { |
6359 | outs() << "\n"; |
6360 | memcpy(&objc_class, r, sizeof(struct objc_class_t)); |
6361 | } else { |
6362 | outs() << " (entends past the end of the section)\n"; |
6363 | memset(&objc_class, '\0', sizeof(struct objc_class_t)); |
6364 | memcpy(&objc_class, r, left); |
6365 | } |
6366 | if (O->isLittleEndian() != sys::IsLittleEndianHost) |
6367 | swapStruct(objc_class); |
6368 | print_objc_class_t(&objc_class, &info); |
6369 | } else { |
6370 | outs() << "(not in an __OBJC section)\n"; |
6371 | } |
6372 | |
6373 | if (CLS_GETINFO(&objc_class, CLS_CLASS)) { |
6374 | outs() << "\tMeta Class"; |
6375 | r = get_pointer_32(objc_class.isa, xoffset, left, xS, &info, true); |
6376 | if (r != nullptr) { |
6377 | if (left > sizeof(struct objc_class_t)) { |
6378 | outs() << "\n"; |
6379 | memcpy(&objc_class, r, sizeof(struct objc_class_t)); |
6380 | } else { |
6381 | outs() << " (entends past the end of the section)\n"; |
6382 | memset(&objc_class, '\0', sizeof(struct objc_class_t)); |
6383 | memcpy(&objc_class, r, left); |
6384 | } |
6385 | if (O->isLittleEndian() != sys::IsLittleEndianHost) |
6386 | swapStruct(objc_class); |
6387 | print_objc_class_t(&objc_class, &info); |
6388 | } else { |
6389 | outs() << "(not in an __OBJC section)\n"; |
6390 | } |
6391 | } |
6392 | } |
6393 | if (symtab.cat_def_cnt > 0) |
6394 | outs() << "\tCategory Definitions\n"; |
6395 | for (j = 0; j < symtab.cat_def_cnt; j++) { |
6396 | if ((j + symtab.cls_def_cnt + 1) * sizeof(uint32_t) > defs_left) { |
6397 | outs() << "\t(remaining category defs entries entends past the end of " |
6398 | << "the section)\n"; |
6399 | break; |
6400 | } |
6401 | memcpy(&def, defs + (j + symtab.cls_def_cnt) * sizeof(uint32_t), |
6402 | sizeof(uint32_t)); |
6403 | if (O->isLittleEndian() != sys::IsLittleEndianHost) |
6404 | sys::swapByteOrder(def); |
6405 | |
6406 | r = get_pointer_32(def, xoffset, left, xS, &info, true); |
6407 | outs() << "\tdefs[" << j + symtab.cls_def_cnt << "] " |
6408 | << format("0x%08" PRIx32, def); |
6409 | if (r != nullptr) { |
6410 | if (left > sizeof(struct objc_category_t)) { |
6411 | outs() << "\n"; |
6412 | memcpy(&objc_category, r, sizeof(struct objc_category_t)); |
6413 | } else { |
6414 | outs() << " (entends past the end of the section)\n"; |
6415 | memset(&objc_category, '\0', sizeof(struct objc_category_t)); |
6416 | memcpy(&objc_category, r, left); |
6417 | } |
6418 | if (O->isLittleEndian() != sys::IsLittleEndianHost) |
6419 | swapStruct(objc_category); |
6420 | print_objc_objc_category_t(&objc_category, &info); |
6421 | } else { |
6422 | outs() << "(not in an __OBJC section)\n"; |
6423 | } |
6424 | } |
6425 | } |
6426 | const SectionRef II = get_section(O, "__OBJC", "__image_info"); |
6427 | if (II != SectionRef()) |
6428 | print_image_info(II, &info); |
6429 | |
6430 | return true; |
6431 | } |
6432 | |
6433 | static void DumpProtocolSection(MachOObjectFile *O, const char *sect, |
6434 | uint32_t size, uint32_t addr) { |
6435 | SymbolAddressMap AddrMap; |
6436 | CreateSymbolAddressMap(O, &AddrMap); |
6437 | |
6438 | std::vector<SectionRef> Sections; |
6439 | append_range(Sections, O->sections()); |
6440 | |
6441 | struct DisassembleInfo info(O, &AddrMap, &Sections, true); |
6442 | |
6443 | const char *p; |
6444 | struct objc_protocol_t protocol; |
6445 | uint32_t left, paddr; |
6446 | for (p = sect; p < sect + size; p += sizeof(struct objc_protocol_t)) { |
6447 | memset(&protocol, '\0', sizeof(struct objc_protocol_t)); |
6448 | left = size - (p - sect); |
6449 | if (left < sizeof(struct objc_protocol_t)) { |
6450 | outs() << "Protocol extends past end of __protocol section\n"; |
6451 | memcpy(&protocol, p, left); |
6452 | } else |
6453 | memcpy(&protocol, p, sizeof(struct objc_protocol_t)); |
6454 | if (O->isLittleEndian() != sys::IsLittleEndianHost) |
6455 | swapStruct(protocol); |
6456 | paddr = addr + (p - sect); |
6457 | outs() << "Protocol " << format("0x%" PRIx32, paddr); |
6458 | if (print_protocol(paddr, 0, &info)) |
6459 | outs() << "(not in an __OBJC section)\n"; |
6460 | } |
6461 | } |
6462 | |
6463 | #ifdef LLVM_HAVE_LIBXAR |
6464 | static inline void swapStruct(struct xar_header &xar) { |
6465 | sys::swapByteOrder(xar.magic); |
6466 | sys::swapByteOrder(xar.size); |
6467 | sys::swapByteOrder(xar.version); |
6468 | sys::swapByteOrder(xar.toc_length_compressed); |
6469 | sys::swapByteOrder(xar.toc_length_uncompressed); |
6470 | sys::swapByteOrder(xar.cksum_alg); |
6471 | } |
6472 | |
6473 | static void PrintModeVerbose(uint32_t mode) { |
6474 | switch(mode & S_IFMT){ |
6475 | case S_IFDIR: |
6476 | outs() << "d"; |
6477 | break; |
6478 | case S_IFCHR: |
6479 | outs() << "c"; |
6480 | break; |
6481 | case S_IFBLK: |
6482 | outs() << "b"; |
6483 | break; |
6484 | case S_IFREG: |
6485 | outs() << "-"; |
6486 | break; |
6487 | case S_IFLNK: |
6488 | outs() << "l"; |
6489 | break; |
6490 | case S_IFSOCK: |
6491 | outs() << "s"; |
6492 | break; |
6493 | default: |
6494 | outs() << "?"; |
6495 | break; |
6496 | } |
6497 | |
6498 | |
6499 | if(mode & S_IREAD) |
6500 | outs() << "r"; |
6501 | else |
6502 | outs() << "-"; |
6503 | if(mode & S_IWRITE) |
6504 | outs() << "w"; |
6505 | else |
6506 | outs() << "-"; |
6507 | if(mode & S_ISUID) |
6508 | outs() << "s"; |
6509 | else if(mode & S_IEXEC) |
6510 | outs() << "x"; |
6511 | else |
6512 | outs() << "-"; |
6513 | |
6514 | |
6515 | if(mode & (S_IREAD >> 3)) |
6516 | outs() << "r"; |
6517 | else |
6518 | outs() << "-"; |
6519 | if(mode & (S_IWRITE >> 3)) |
6520 | outs() << "w"; |
6521 | else |
6522 | outs() << "-"; |
6523 | if(mode & S_ISGID) |
6524 | outs() << "s"; |
6525 | else if(mode & (S_IEXEC >> 3)) |
6526 | outs() << "x"; |
6527 | else |
6528 | outs() << "-"; |
6529 | |
6530 | |
6531 | if(mode & (S_IREAD >> 6)) |
6532 | outs() << "r"; |
6533 | else |
6534 | outs() << "-"; |
6535 | if(mode & (S_IWRITE >> 6)) |
6536 | outs() << "w"; |
6537 | else |
6538 | outs() << "-"; |
6539 | if(mode & S_ISVTX) |
6540 | outs() << "t"; |
6541 | else if(mode & (S_IEXEC >> 6)) |
6542 | outs() << "x"; |
6543 | else |
6544 | outs() << "-"; |
6545 | } |
6546 | |
6547 | static void PrintXarFilesSummary(const char *XarFilename, xar_t xar) { |
6548 | xar_file_t xf; |
6549 | const char *key, *type, *mode, *user, *group, *size, *mtime, *name, *m; |
6550 | char *endp; |
6551 | uint32_t mode_value; |
6552 | |
6553 | ScopedXarIter xi; |
6554 | if (!xi) { |
6555 | WithColor::error(errs(), "llvm-objdump") |
6556 | << "can't obtain an xar iterator for xar archive " << XarFilename |
6557 | << "\n"; |
6558 | return; |
6559 | } |
6560 | |
6561 | |
6562 | for (xf = xar_file_first(xar, xi); xf; xf = xar_file_next(xi)) { |
6563 | ScopedXarIter xp; |
6564 | if(!xp){ |
6565 | WithColor::error(errs(), "llvm-objdump") |
6566 | << "can't obtain an xar iterator for xar archive " << XarFilename |
6567 | << "\n"; |
6568 | return; |
6569 | } |
6570 | type = nullptr; |
6571 | mode = nullptr; |
6572 | user = nullptr; |
6573 | group = nullptr; |
6574 | size = nullptr; |
6575 | mtime = nullptr; |
6576 | name = nullptr; |
6577 | for(key = xar_prop_first(xf, xp); key; key = xar_prop_next(xp)){ |
6578 | const char *val = nullptr; |
6579 | xar_prop_get(xf, key, &val); |
6580 | #if 0 // Useful for debugging. |
6581 | outs() << "key: " << key << " value: " << val << "\n"; |
6582 | #endif |
6583 | if(strcmp(key, "type") == 0) |
6584 | type = val; |
6585 | if(strcmp(key, "mode") == 0) |
6586 | mode = val; |
6587 | if(strcmp(key, "user") == 0) |
6588 | user = val; |
6589 | if(strcmp(key, "group") == 0) |
6590 | group = val; |
6591 | if(strcmp(key, "data/size") == 0) |
6592 | size = val; |
6593 | if(strcmp(key, "mtime") == 0) |
6594 | mtime = val; |
6595 | if(strcmp(key, "name") == 0) |
6596 | name = val; |
6597 | } |
6598 | if(mode != nullptr){ |
6599 | mode_value = strtoul(mode, &endp, 8); |
6600 | if(*endp != '\0') |
6601 | outs() << "(mode: \"" << mode << "\" contains non-octal chars) "; |
6602 | if(strcmp(type, "file") == 0) |
6603 | mode_value |= S_IFREG; |
6604 | PrintModeVerbose(mode_value); |
6605 | outs() << " "; |
6606 | } |
6607 | if(user != nullptr) |
6608 | outs() << format("%10s/", user); |
6609 | if(group != nullptr) |
6610 | outs() << format("%-10s ", group); |
6611 | if(size != nullptr) |
6612 | outs() << format("%7s ", size); |
6613 | if(mtime != nullptr){ |
6614 | for(m = mtime; *m != 'T' && *m != '\0'; m++) |
6615 | outs() << *m; |
6616 | if(*m == 'T') |
6617 | m++; |
6618 | outs() << " "; |
6619 | for( ; *m != 'Z' && *m != '\0'; m++) |
6620 | outs() << *m; |
6621 | outs() << " "; |
6622 | } |
6623 | if(name != nullptr) |
6624 | outs() << name; |
6625 | outs() << "\n"; |
6626 | } |
6627 | } |
6628 | |
6629 | static void DumpBitcodeSection(MachOObjectFile *O, const char *sect, |
6630 | uint32_t size, bool verbose, |
6631 | bool PrintXarHeader, bool PrintXarFileHeaders, |
6632 | std::string XarMemberName) { |
6633 | if(size < sizeof(struct xar_header)) { |
6634 | outs() << "size of (__LLVM,__bundle) section too small (smaller than size " |
6635 | "of struct xar_header)\n"; |
6636 | return; |
6637 | } |
6638 | struct xar_header XarHeader; |
6639 | memcpy(&XarHeader, sect, sizeof(struct xar_header)); |
6640 | if (sys::IsLittleEndianHost) |
6641 | swapStruct(XarHeader); |
6642 | if (PrintXarHeader) { |
6643 | if (!XarMemberName.empty()) |
6644 | outs() << "In xar member " << XarMemberName << ": "; |
6645 | else |
6646 | outs() << "For (__LLVM,__bundle) section: "; |
6647 | outs() << "xar header\n"; |
6648 | if (XarHeader.magic == XAR_HEADER_MAGIC) |
6649 | outs() << " magic XAR_HEADER_MAGIC\n"; |
6650 | else |
6651 | outs() << " magic " |
6652 | << format_hex(XarHeader.magic, 10, true) |
6653 | << " (not XAR_HEADER_MAGIC)\n"; |
6654 | outs() << " size " << XarHeader.size << "\n"; |
6655 | outs() << " version " << XarHeader.version << "\n"; |
6656 | outs() << " toc_length_compressed " << XarHeader.toc_length_compressed |
6657 | << "\n"; |
6658 | outs() << "toc_length_uncompressed " << XarHeader.toc_length_uncompressed |
6659 | << "\n"; |
6660 | outs() << " cksum_alg "; |
6661 | switch (XarHeader.cksum_alg) { |
6662 | case XAR_CKSUM_NONE: |
6663 | outs() << "XAR_CKSUM_NONE\n"; |
6664 | break; |
6665 | case XAR_CKSUM_SHA1: |
6666 | outs() << "XAR_CKSUM_SHA1\n"; |
6667 | break; |
6668 | case XAR_CKSUM_MD5: |
6669 | outs() << "XAR_CKSUM_MD5\n"; |
6670 | break; |
6671 | #ifdef XAR_CKSUM_SHA256 |
6672 | case XAR_CKSUM_SHA256: |
6673 | outs() << "XAR_CKSUM_SHA256\n"; |
6674 | break; |
6675 | #endif |
6676 | #ifdef XAR_CKSUM_SHA512 |
6677 | case XAR_CKSUM_SHA512: |
6678 | outs() << "XAR_CKSUM_SHA512\n"; |
6679 | break; |
6680 | #endif |
6681 | default: |
6682 | outs() << XarHeader.cksum_alg << "\n"; |
6683 | } |
6684 | } |
6685 | |
6686 | SmallString<128> XarFilename; |
6687 | int FD; |
6688 | std::error_code XarEC = |
6689 | sys::fs::createTemporaryFile("llvm-objdump", "xar", FD, XarFilename); |
6690 | if (XarEC) { |
6691 | WithColor::error(errs(), "llvm-objdump") << XarEC.message() << "\n"; |
6692 | return; |
6693 | } |
6694 | ToolOutputFile XarFile(XarFilename, FD); |
6695 | raw_fd_ostream &XarOut = XarFile.os(); |
6696 | StringRef XarContents(sect, size); |
6697 | XarOut << XarContents; |
6698 | XarOut.close(); |
6699 | if (XarOut.has_error()) |
6700 | return; |
6701 | |
6702 | ScopedXarFile xar(XarFilename.c_str(), READ); |
6703 | if (!xar) { |
6704 | WithColor::error(errs(), "llvm-objdump") |
6705 | << "can't create temporary xar archive " << XarFilename << "\n"; |
6706 | return; |
6707 | } |
6708 | |
6709 | SmallString<128> TocFilename; |
6710 | std::error_code TocEC = |
6711 | sys::fs::createTemporaryFile("llvm-objdump", "toc", TocFilename); |
6712 | if (TocEC) { |
6713 | WithColor::error(errs(), "llvm-objdump") << TocEC.message() << "\n"; |
6714 | return; |
6715 | } |
6716 | xar_serialize(xar, TocFilename.c_str()); |
6717 | |
6718 | if (PrintXarFileHeaders) { |
6719 | if (!XarMemberName.empty()) |
6720 | outs() << "In xar member " << XarMemberName << ": "; |
6721 | else |
6722 | outs() << "For (__LLVM,__bundle) section: "; |
6723 | outs() << "xar archive files:\n"; |
6724 | PrintXarFilesSummary(XarFilename.c_str(), xar); |
6725 | } |
6726 | |
6727 | ErrorOr<std::unique_ptr<MemoryBuffer>> FileOrErr = |
6728 | MemoryBuffer::getFileOrSTDIN(TocFilename.c_str()); |
6729 | if (std::error_code EC = FileOrErr.getError()) { |
6730 | WithColor::error(errs(), "llvm-objdump") << EC.message() << "\n"; |
6731 | return; |
6732 | } |
6733 | std::unique_ptr<MemoryBuffer> &Buffer = FileOrErr.get(); |
6734 | |
6735 | if (!XarMemberName.empty()) |
6736 | outs() << "In xar member " << XarMemberName << ": "; |
6737 | else |
6738 | outs() << "For (__LLVM,__bundle) section: "; |
6739 | outs() << "xar table of contents:\n"; |
6740 | outs() << Buffer->getBuffer() << "\n"; |
6741 | |
6742 | |
6743 | ScopedXarIter xi; |
6744 | if(!xi){ |
6745 | WithColor::error(errs(), "llvm-objdump") |
6746 | << "can't obtain an xar iterator for xar archive " |
6747 | << XarFilename.c_str() << "\n"; |
6748 | return; |
6749 | } |
6750 | for(xar_file_t xf = xar_file_first(xar, xi); xf; xf = xar_file_next(xi)){ |
6751 | const char *key; |
6752 | const char *member_name, *member_type, *member_size_string; |
6753 | size_t member_size; |
6754 | |
6755 | ScopedXarIter xp; |
6756 | if(!xp){ |
6757 | WithColor::error(errs(), "llvm-objdump") |
6758 | << "can't obtain an xar iterator for xar archive " |
6759 | << XarFilename.c_str() << "\n"; |
6760 | return; |
6761 | } |
6762 | member_name = NULL; |
6763 | member_type = NULL; |
6764 | member_size_string = NULL; |
6765 | for(key = xar_prop_first(xf, xp); key; key = xar_prop_next(xp)){ |
6766 | const char *val = nullptr; |
6767 | xar_prop_get(xf, key, &val); |
6768 | #if 0 // Useful for debugging. |
6769 | outs() << "key: " << key << " value: " << val << "\n"; |
6770 | #endif |
6771 | if (strcmp(key, "name") == 0) |
6772 | member_name = val; |
6773 | if (strcmp(key, "type") == 0) |
6774 | member_type = val; |
6775 | if (strcmp(key, "data/size") == 0) |
6776 | member_size_string = val; |
6777 | } |
6778 | |
6779 | |
6780 | |
6781 | |
6782 | if (member_name != NULL && member_type != NULL && |
6783 | strcmp(member_type, "file") == 0 && |
6784 | member_size_string != NULL){ |
6785 | |
6786 | char *endptr; |
6787 | member_size = strtoul(member_size_string, &endptr, 10); |
6788 | if (*endptr == '\0' && member_size != 0) { |
6789 | char *buffer; |
6790 | if (xar_extract_tobuffersz(xar, xf, &buffer, &member_size) == 0) { |
6791 | #if 0 // Useful for debugging. |
6792 | outs() << "xar member: " << member_name << " extracted\n"; |
6793 | #endif |
6794 | |
6795 | std::string OldXarMemberName; |
6796 | |
6797 | |
6798 | if (!XarMemberName.empty()) { |
6799 | OldXarMemberName = XarMemberName; |
6800 | XarMemberName = |
6801 | (Twine("[") + XarMemberName + "]" + member_name).str(); |
6802 | } else { |
6803 | OldXarMemberName = ""; |
6804 | XarMemberName = member_name; |
6805 | } |
6806 | |
6807 | if (member_size >= sizeof(struct xar_header)) { |
6808 | #if 0 // Useful for debugging. |
6809 | outs() << "could be a xar file: " << member_name << "\n"; |
6810 | #endif |
6811 | memcpy((char *)&XarHeader, buffer, sizeof(struct xar_header)); |
6812 | if (sys::IsLittleEndianHost) |
6813 | swapStruct(XarHeader); |
6814 | if (XarHeader.magic == XAR_HEADER_MAGIC) |
6815 | DumpBitcodeSection(O, buffer, member_size, verbose, |
6816 | PrintXarHeader, PrintXarFileHeaders, |
6817 | XarMemberName); |
6818 | } |
6819 | XarMemberName = OldXarMemberName; |
6820 | delete buffer; |
6821 | } |
6822 | } |
6823 | } |
6824 | } |
6825 | } |
6826 | #endif // defined(LLVM_HAVE_LIBXAR) |
6827 | |
6828 | static void printObjcMetaData(MachOObjectFile *O, bool verbose) { |
6829 | if (O->is64Bit()) |
| 72 | | Assuming the condition is false | |
|
| |
6830 | printObjc2_64bit_MetaData(O, verbose); |
6831 | else { |
6832 | MachO::mach_header H; |
6833 | H = O->getHeader(); |
6834 | if (H.cputype == MachO::CPU_TYPE_ARM) |
| 74 | | Assuming field 'cputype' is not equal to CPU_TYPE_ARM | |
|
| |
6835 | printObjc2_32bit_MetaData(O, verbose); |
6836 | else { |
6837 | |
6838 | |
6839 | |
6840 | |
6841 | |
6842 | if (!printObjc1_32bit_MetaData(O, verbose)) |
| 76 | | Calling 'printObjc1_32bit_MetaData' | |
|
6843 | printObjc2_32bit_MetaData(O, verbose); |
6844 | } |
6845 | } |
6846 | } |
6847 | |
6848 | |
6849 | |
6850 | |
6851 | |
6852 | |
6853 | |
6854 | |
6855 | |
6856 | |
6857 | |
6858 | |
6859 | |
6860 | |
6861 | |
6862 | |
6863 | |
6864 | |
6865 | |
6866 | static const char *GuessLiteralPointer(uint64_t ReferenceValue, |
6867 | uint64_t ReferencePC, |
6868 | uint64_t *ReferenceType, |
6869 | struct DisassembleInfo *info) { |
6870 | |
6871 | if (info->O->getHeader().filetype == MachO::MH_OBJECT) { |
6872 | uint64_t sect_addr = info->S.getAddress(); |
6873 | uint64_t sect_offset = ReferencePC - sect_addr; |
6874 | bool reloc_found = false; |
6875 | DataRefImpl Rel; |
6876 | MachO::any_relocation_info RE; |
6877 | bool isExtern = false; |
6878 | SymbolRef Symbol; |
6879 | for (const RelocationRef &Reloc : info->S.relocations()) { |
6880 | uint64_t RelocOffset = Reloc.getOffset(); |
6881 | if (RelocOffset == sect_offset) { |
6882 | Rel = Reloc.getRawDataRefImpl(); |
6883 | RE = info->O->getRelocation(Rel); |
6884 | if (info->O->isRelocationScattered(RE)) |
6885 | continue; |
6886 | isExtern = info->O->getPlainRelocationExternal(RE); |
6887 | if (isExtern) { |
6888 | symbol_iterator RelocSym = Reloc.getSymbol(); |
6889 | Symbol = *RelocSym; |
6890 | } |
6891 | reloc_found = true; |
6892 | break; |
6893 | } |
6894 | } |
6895 | |
6896 | |
6897 | if (reloc_found && isExtern) { |
6898 | if (info->O->getAnyRelocationPCRel(RE)) { |
6899 | unsigned Type = info->O->getAnyRelocationType(RE); |
6900 | if (Type == MachO::X86_64_RELOC_SIGNED) { |
6901 | ReferenceValue = cantFail(Symbol.getValue()); |
6902 | } |
6903 | } |
6904 | } |
6905 | } |
6906 | |
6907 | |
6908 | |
6909 | bool classref, selref, msgref, cfstring; |
6910 | uint64_t pointer_value = GuessPointerPointer(ReferenceValue, info, classref, |
6911 | selref, msgref, cfstring); |
6912 | if (classref && pointer_value == 0) { |
6913 | |
6914 | |
6915 | |
6916 | const char *name = get_dyld_bind_info_symbolname(ReferenceValue, info); |
6917 | if (name != nullptr) { |
6918 | *ReferenceType = LLVMDisassembler_ReferenceType_Out_Objc_Class_Ref; |
6919 | const char *class_name = strrchr(name, '$'); |
6920 | if (class_name != nullptr && class_name[1] == '_' && |
6921 | class_name[2] != '\0') { |
6922 | info->class_name = class_name + 2; |
6923 | return name; |
6924 | } |
6925 | } |
6926 | } |
6927 | |
6928 | if (classref) { |
6929 | *ReferenceType = LLVMDisassembler_ReferenceType_Out_Objc_Class_Ref; |
6930 | const char *name = |
6931 | get_objc2_64bit_class_name(pointer_value, ReferenceValue, info); |
6932 | if (name != nullptr) |
6933 | info->class_name = name; |
6934 | else |
6935 | name = "bad class ref"; |
6936 | return name; |
6937 | } |
6938 | |
6939 | if (cfstring) { |
6940 | *ReferenceType = LLVMDisassembler_ReferenceType_Out_Objc_CFString_Ref; |
6941 | const char *name = get_objc2_64bit_cfstring_name(ReferenceValue, info); |
6942 | return name; |
6943 | } |
6944 | |
6945 | if (selref && pointer_value == 0) |
6946 | pointer_value = get_objc2_64bit_selref(ReferenceValue, info); |
6947 | |
6948 | if (pointer_value != 0) |
6949 | ReferenceValue = pointer_value; |
6950 | |
6951 | const char *name = GuessCstringPointer(ReferenceValue, info); |
6952 | if (name) { |
6953 | if (pointer_value != 0 && selref) { |
6954 | *ReferenceType = LLVMDisassembler_ReferenceType_Out_Objc_Selector_Ref; |
6955 | info->selector_name = name; |
6956 | } else if (pointer_value != 0 && msgref) { |
6957 | info->class_name = nullptr; |
6958 | *ReferenceType = LLVMDisassembler_ReferenceType_Out_Objc_Message_Ref; |
6959 | info->selector_name = name; |
6960 | } else |
6961 | *ReferenceType = LLVMDisassembler_ReferenceType_Out_LitPool_CstrAddr; |
6962 | return name; |
6963 | } |
6964 | |
6965 | |
6966 | |
6967 | name = GuessIndirectSymbol(ReferenceValue, info); |
6968 | if (name) { |
6969 | *ReferenceType = LLVMDisassembler_ReferenceType_Out_LitPool_SymAddr; |
6970 | return name; |
6971 | } |
6972 | |
6973 | return nullptr; |
6974 | } |
6975 | |
6976 | |
6977 | |
6978 | |
6979 | |
6980 | |
6981 | |
6982 | |
6983 | |
6984 | |
6985 | |
6986 | |
6987 | |
6988 | |
6989 | |
6990 | |
6991 | |
6992 | |
6993 | |
6994 | |
6995 | |
6996 | |
6997 | |
6998 | |
6999 | |
7000 | |
7001 | |
7002 | static const char *SymbolizerSymbolLookUp(void *DisInfo, |
7003 | uint64_t ReferenceValue, |
7004 | uint64_t *ReferenceType, |
7005 | uint64_t ReferencePC, |
7006 | const char **ReferenceName) { |
7007 | struct DisassembleInfo *info = (struct DisassembleInfo *)DisInfo; |
7008 | |
7009 | if (!info->verbose) { |
7010 | *ReferenceName = nullptr; |
7011 | *ReferenceType = LLVMDisassembler_ReferenceType_InOut_None; |
7012 | return nullptr; |
7013 | } |
7014 | |
7015 | const char *SymbolName = GuessSymbolName(ReferenceValue, info->AddrMap); |
7016 | |
7017 | if (*ReferenceType == LLVMDisassembler_ReferenceType_In_Branch) { |
7018 | *ReferenceName = GuessIndirectSymbol(ReferenceValue, info); |
7019 | if (*ReferenceName != nullptr) { |
7020 | method_reference(info, ReferenceType, ReferenceName); |
7021 | if (*ReferenceType != LLVMDisassembler_ReferenceType_Out_Objc_Message) |
7022 | *ReferenceType = LLVMDisassembler_ReferenceType_Out_SymbolStub; |
7023 | } else if (SymbolName != nullptr && strncmp(SymbolName, "__Z", 3) == 0) { |
7024 | if (info->demangled_name != nullptr) |
7025 | free(info->demangled_name); |
7026 | int status; |
7027 | info->demangled_name = |
7028 | itaniumDemangle(SymbolName + 1, nullptr, nullptr, &status); |
7029 | if (info->demangled_name != nullptr) { |
7030 | *ReferenceName = info->demangled_name; |
7031 | *ReferenceType = LLVMDisassembler_ReferenceType_DeMangled_Name; |
7032 | } else |
7033 | *ReferenceType = LLVMDisassembler_ReferenceType_InOut_None; |
7034 | } else |
7035 | *ReferenceType = LLVMDisassembler_ReferenceType_InOut_None; |
7036 | } else if (*ReferenceType == LLVMDisassembler_ReferenceType_In_PCrel_Load) { |
7037 | *ReferenceName = |
7038 | GuessLiteralPointer(ReferenceValue, ReferencePC, ReferenceType, info); |
7039 | if (*ReferenceName) |
7040 | method_reference(info, ReferenceType, ReferenceName); |
7041 | else |
7042 | *ReferenceType = LLVMDisassembler_ReferenceType_InOut_None; |
7043 | |
7044 | |
7045 | |
7046 | } else if (info->O->getArch() == Triple::aarch64 && |
7047 | *ReferenceType == LLVMDisassembler_ReferenceType_In_ARM64_ADRP) { |
7048 | info->adrp_inst = ReferenceValue; |
7049 | info->adrp_addr = ReferencePC; |
7050 | SymbolName = nullptr; |
7051 | *ReferenceName = nullptr; |
7052 | *ReferenceType = LLVMDisassembler_ReferenceType_InOut_None; |
7053 | |
7054 | |
7055 | |
7056 | |
7057 | |
7058 | |
7059 | |
7060 | } else if (info->O->getArch() == Triple::aarch64 && |
7061 | *ReferenceType == LLVMDisassembler_ReferenceType_In_ARM64_ADDXri && |
7062 | ReferencePC - 4 == info->adrp_addr && |
7063 | (info->adrp_inst & 0x9f000000) == 0x90000000 && |
7064 | (info->adrp_inst & 0x1f) == ((ReferenceValue >> 5) & 0x1f)) { |
7065 | uint32_t addxri_inst; |
7066 | uint64_t adrp_imm, addxri_imm; |
7067 | |
7068 | adrp_imm = |
7069 | ((info->adrp_inst & 0x00ffffe0) >> 3) | ((info->adrp_inst >> 29) & 0x3); |
7070 | if (info->adrp_inst & 0x0200000) |
7071 | adrp_imm |= 0xfffffffffc000000LL; |
7072 | |
7073 | addxri_inst = ReferenceValue; |
7074 | addxri_imm = (addxri_inst >> 10) & 0xfff; |
7075 | if (((addxri_inst >> 22) & 0x3) == 1) |
7076 | addxri_imm <<= 12; |
7077 | |
7078 | ReferenceValue = (info->adrp_addr & 0xfffffffffffff000LL) + |
7079 | (adrp_imm << 12) + addxri_imm; |
7080 | |
7081 | *ReferenceName = |
7082 | GuessLiteralPointer(ReferenceValue, ReferencePC, ReferenceType, info); |
7083 | if (*ReferenceName == nullptr) |
7084 | *ReferenceType = LLVMDisassembler_ReferenceType_InOut_None; |
7085 | |
7086 | |
7087 | |
7088 | |
7089 | |
7090 | } else if (info->O->getArch() == Triple::aarch64 && |
7091 | *ReferenceType == LLVMDisassembler_ReferenceType_In_ARM64_LDRXui && |
7092 | ReferencePC - 4 == info->adrp_addr && |
7093 | (info->adrp_inst & 0x9f000000) == 0x90000000 && |
7094 | (info->adrp_inst & 0x1f) == ((ReferenceValue >> 5) & 0x1f)) { |
7095 | uint32_t ldrxui_inst; |
7096 | uint64_t adrp_imm, ldrxui_imm; |
7097 | |
7098 | adrp_imm = |
7099 | ((info->adrp_inst & 0x00ffffe0) >> 3) | ((info->adrp_inst >> 29) & 0x3); |
7100 | if (info->adrp_inst & 0x0200000) |
7101 | adrp_imm |= 0xfffffffffc000000LL; |
7102 | |
7103 | ldrxui_inst = ReferenceValue; |
7104 | ldrxui_imm = (ldrxui_inst >> 10) & 0xfff; |
7105 | |
7106 | ReferenceValue = (info->adrp_addr & 0xfffffffffffff000LL) + |
7107 | (adrp_imm << 12) + (ldrxui_imm << 3); |
7108 | |
7109 | *ReferenceName = |
7110 | GuessLiteralPointer(ReferenceValue, ReferencePC, ReferenceType, info); |
7111 | if (*ReferenceName == nullptr) |
7112 | *ReferenceType = LLVMDisassembler_ReferenceType_InOut_None; |
7113 | } |
7114 | |
7115 | |
7116 | else if (info->O->getArch() == Triple::aarch64 && |
7117 | (*ReferenceType == LLVMDisassembler_ReferenceType_In_ARM64_LDRXl || |
7118 | *ReferenceType == LLVMDisassembler_ReferenceType_In_ARM64_ADR)) { |
7119 | *ReferenceName = |
7120 | GuessLiteralPointer(ReferenceValue, ReferencePC, ReferenceType, info); |
7121 | if (*ReferenceName == nullptr) |
7122 | *ReferenceType = LLVMDisassembler_ReferenceType_InOut_None; |
7123 | } else if (SymbolName != nullptr && strncmp(SymbolName, "__Z", 3) == 0) { |
7124 | if (info->demangled_name != nullptr) |
7125 | free(info->demangled_name); |
7126 | int status; |
7127 | info->demangled_name = |
7128 | itaniumDemangle(SymbolName + 1, nullptr, nullptr, &status); |
7129 | if (info->demangled_name != nullptr) { |
7130 | *ReferenceName = info->demangled_name; |
7131 | *ReferenceType = LLVMDisassembler_ReferenceType_DeMangled_Name; |
7132 | } |
7133 | } |
7134 | else { |
7135 | *ReferenceName = nullptr; |
7136 | *ReferenceType = LLVMDisassembler_ReferenceType_InOut_None; |
7137 | } |
7138 | |
7139 | return SymbolName; |
7140 | } |
7141 | |
7142 | |
7143 | |
7144 | static void emitComments(raw_svector_ostream &CommentStream, |
7145 | SmallString<128> &CommentsToEmit, |
7146 | formatted_raw_ostream &FormattedOS, |
7147 | const MCAsmInfo &MAI) { |
7148 | |
7149 | StringRef Comments = CommentsToEmit.str(); |
7150 | |
7151 | StringRef CommentBegin = MAI.getCommentString(); |
7152 | unsigned CommentColumn = MAI.getCommentColumn(); |
7153 | ListSeparator LS("\n"); |
7154 | while (!Comments.empty()) { |
7155 | FormattedOS << LS; |
7156 | |
7157 | FormattedOS.PadToColumn(CommentColumn); |
7158 | size_t Position = Comments.find('\n'); |
7159 | FormattedOS << CommentBegin << ' ' << Comments.substr(0, Position); |
7160 | |
7161 | Comments = Comments.substr(Position + 1); |
7162 | } |
7163 | FormattedOS.flush(); |
7164 | |
7165 | |
7166 | CommentsToEmit.clear(); |
7167 | } |
7168 | |
7169 | static void DisassembleMachO(StringRef Filename, MachOObjectFile *MachOOF, |
7170 | StringRef DisSegName, StringRef DisSectName) { |
7171 | const char *McpuDefault = nullptr; |
7172 | const Target *ThumbTarget = nullptr; |
7173 | const Target *TheTarget = GetTarget(MachOOF, &McpuDefault, &ThumbTarget); |
7174 | if (!TheTarget) { |
7175 | |
7176 | return; |
7177 | } |
7178 | std::string MachOMCPU; |
7179 | if (MCPU.empty() && McpuDefault) |
7180 | MachOMCPU = McpuDefault; |
7181 | else |
7182 | MachOMCPU = MCPU; |
7183 | |
7184 | #define CHECK_TARGET_INFO_CREATION(NAME) \ |
7185 | do { \ |
7186 | if (!NAME) { \ |
7187 | WithColor::error(errs(), "llvm-objdump") \ |
7188 | << "couldn't initialize disassembler for target " << TripleName \ |
7189 | << '\n'; \ |
7190 | return; \ |
7191 | } \ |
7192 | } while (false) |
7193 | #define CHECK_THUMB_TARGET_INFO_CREATION(NAME) \ |
7194 | do { \ |
7195 | if (!NAME) { \ |
7196 | WithColor::error(errs(), "llvm-objdump") \ |
7197 | << "couldn't initialize disassembler for target " << ThumbTripleName \ |
7198 | << '\n'; \ |
7199 | return; \ |
7200 | } \ |
7201 | } while (false) |
7202 | |
7203 | std::unique_ptr<const MCInstrInfo> InstrInfo(TheTarget->createMCInstrInfo()); |
7204 | CHECK_TARGET_INFO_CREATION(InstrInfo); |
7205 | std::unique_ptr<const MCInstrInfo> ThumbInstrInfo; |
7206 | if (ThumbTarget) { |
7207 | ThumbInstrInfo.reset(ThumbTarget->createMCInstrInfo()); |
7208 | CHECK_THUMB_TARGET_INFO_CREATION(ThumbInstrInfo); |
7209 | } |
7210 | |
7211 | |
7212 | std::string FeaturesStr; |
7213 | if (!MAttrs.empty()) { |
7214 | SubtargetFeatures Features; |
7215 | for (unsigned i = 0; i != MAttrs.size(); ++i) |
7216 | Features.AddFeature(MAttrs[i]); |
7217 | FeaturesStr = Features.getString(); |
7218 | } |
7219 | |
7220 | MCTargetOptions MCOptions; |
7221 | |
7222 | std::unique_ptr<const MCRegisterInfo> MRI( |
7223 | TheTarget->createMCRegInfo(TripleName)); |
7224 | CHECK_TARGET_INFO_CREATION(MRI); |
7225 | std::unique_ptr<const MCAsmInfo> AsmInfo( |
7226 | TheTarget->createMCAsmInfo(*MRI, TripleName, MCOptions)); |
7227 | CHECK_TARGET_INFO_CREATION(AsmInfo); |
7228 | std::unique_ptr<const MCSubtargetInfo> STI( |
7229 | TheTarget->createMCSubtargetInfo(TripleName, MachOMCPU, FeaturesStr)); |
7230 | CHECK_TARGET_INFO_CREATION(STI); |
7231 | MCContext Ctx(Triple(TripleName), AsmInfo.get(), MRI.get(), STI.get()); |
7232 | std::unique_ptr<MCDisassembler> DisAsm( |
7233 | TheTarget->createMCDisassembler(*STI, Ctx)); |
7234 | CHECK_TARGET_INFO_CREATION(DisAsm); |
7235 | std::unique_ptr<MCSymbolizer> Symbolizer; |
7236 | struct DisassembleInfo SymbolizerInfo(nullptr, nullptr, nullptr, false); |
7237 | std::unique_ptr<MCRelocationInfo> RelInfo( |
7238 | TheTarget->createMCRelocationInfo(TripleName, Ctx)); |
7239 | if (RelInfo) { |
7240 | Symbolizer.reset(TheTarget->createMCSymbolizer( |
7241 | TripleName, SymbolizerGetOpInfo, SymbolizerSymbolLookUp, |
7242 | &SymbolizerInfo, &Ctx, std::move(RelInfo))); |
7243 | DisAsm->setSymbolizer(std::move(Symbolizer)); |
7244 | } |
7245 | int AsmPrinterVariant = AsmInfo->getAssemblerDialect(); |
7246 | std::unique_ptr<MCInstPrinter> IP(TheTarget->createMCInstPrinter( |
7247 | Triple(TripleName), AsmPrinterVariant, *AsmInfo, *InstrInfo, *MRI)); |
7248 | CHECK_TARGET_INFO_CREATION(IP); |
7249 | |
7250 | IP->setPrintImmHex(PrintImmHex); |
7251 | |
7252 | SmallString<128> CommentsToEmit; |
7253 | raw_svector_ostream CommentStream(CommentsToEmit); |
7254 | |
7255 | |
7256 | |
7257 | |
7258 | |
7259 | |
7260 | |
7261 | |
7262 | std::unique_ptr<const MCRegisterInfo> ThumbMRI; |
7263 | std::unique_ptr<const MCAsmInfo> ThumbAsmInfo; |
7264 | std::unique_ptr<const MCSubtargetInfo> ThumbSTI; |
7265 | std::unique_ptr<MCDisassembler> ThumbDisAsm; |
7266 | std::unique_ptr<MCInstPrinter> ThumbIP; |
7267 | std::unique_ptr<MCContext> ThumbCtx; |
7268 | std::unique_ptr<MCSymbolizer> ThumbSymbolizer; |
7269 | struct DisassembleInfo ThumbSymbolizerInfo(nullptr, nullptr, nullptr, false); |
7270 | std::unique_ptr<MCRelocationInfo> ThumbRelInfo; |
7271 | if (ThumbTarget) { |
7272 | ThumbMRI.reset(ThumbTarget->createMCRegInfo(ThumbTripleName)); |
7273 | CHECK_THUMB_TARGET_INFO_CREATION(ThumbMRI); |
7274 | ThumbAsmInfo.reset( |
7275 | ThumbTarget->createMCAsmInfo(*ThumbMRI, ThumbTripleName, MCOptions)); |
7276 | CHECK_THUMB_TARGET_INFO_CREATION(ThumbAsmInfo); |
7277 | ThumbSTI.reset( |
7278 | ThumbTarget->createMCSubtargetInfo(ThumbTripleName, MachOMCPU, |
7279 | FeaturesStr)); |
7280 | CHECK_THUMB_TARGET_INFO_CREATION(ThumbSTI); |
7281 | ThumbCtx.reset(new MCContext(Triple(ThumbTripleName), ThumbAsmInfo.get(), |
7282 | ThumbMRI.get(), ThumbSTI.get())); |
7283 | ThumbDisAsm.reset(ThumbTarget->createMCDisassembler(*ThumbSTI, *ThumbCtx)); |
7284 | CHECK_THUMB_TARGET_INFO_CREATION(ThumbDisAsm); |
7285 | MCContext *PtrThumbCtx = ThumbCtx.get(); |
7286 | ThumbRelInfo.reset( |
7287 | ThumbTarget->createMCRelocationInfo(ThumbTripleName, *PtrThumbCtx)); |
7288 | if (ThumbRelInfo) { |
7289 | ThumbSymbolizer.reset(ThumbTarget->createMCSymbolizer( |
7290 | ThumbTripleName, SymbolizerGetOpInfo, SymbolizerSymbolLookUp, |
7291 | &ThumbSymbolizerInfo, PtrThumbCtx, std::move(ThumbRelInfo))); |
7292 | ThumbDisAsm->setSymbolizer(std::move(ThumbSymbolizer)); |
7293 | } |
7294 | int ThumbAsmPrinterVariant = ThumbAsmInfo->getAssemblerDialect(); |
7295 | ThumbIP.reset(ThumbTarget->createMCInstPrinter( |
7296 | Triple(ThumbTripleName), ThumbAsmPrinterVariant, *ThumbAsmInfo, |
7297 | *ThumbInstrInfo, *ThumbMRI)); |
7298 | CHECK_THUMB_TARGET_INFO_CREATION(ThumbIP); |
7299 | |
7300 | ThumbIP->setPrintImmHex(PrintImmHex); |
7301 | } |
7302 | |
7303 | #undef CHECK_TARGET_INFO_CREATION |
7304 | #undef CHECK_THUMB_TARGET_INFO_CREATION |
7305 | |
7306 | MachO::mach_header Header = MachOOF->getHeader(); |
7307 | |
7308 | |
7309 | |
7310 | |
7311 | |
7312 | std::vector<SectionRef> Sections; |
7313 | std::vector<SymbolRef> Symbols; |
7314 | SmallVector<uint64_t, 8> FoundFns; |
7315 | uint64_t BaseSegmentAddress = 0; |
7316 | |
7317 | getSectionsAndSymbols(MachOOF, Sections, Symbols, FoundFns, |
7318 | BaseSegmentAddress); |
7319 | |
7320 | |
7321 | llvm::stable_sort(Symbols, SymbolSorter()); |
7322 | |
7323 | |
7324 | uint64_t BaseAddress = 0; |
7325 | if (Header.filetype == MachO::MH_OBJECT) |
7326 | BaseAddress = Sections[0].getAddress(); |
7327 | else |
7328 | BaseAddress = BaseSegmentAddress; |
7329 | DiceTable Dices; |
7330 | for (dice_iterator DI = MachOOF->begin_dices(), DE = MachOOF->end_dices(); |
7331 | DI != DE; ++DI) { |
7332 | uint32_t Offset; |
7333 | DI->getOffset(Offset); |
7334 | Dices.push_back(std::make_pair(BaseAddress + Offset, *DI)); |
7335 | } |
7336 | array_pod_sort(Dices.begin(), Dices.end()); |
7337 | |
7338 | |
7339 | std::unique_ptr<DIContext> diContext; |
7340 | std::unique_ptr<Binary> DSYMBinary; |
7341 | std::unique_ptr<MemoryBuffer> DSYMBuf; |
7342 | if (UseDbg) { |
7343 | ObjectFile *DbgObj = MachOOF; |
7344 | |
7345 | |
7346 | |
7347 | if (!DSYMFile.empty()) { |
7348 | std::string DSYMPath(DSYMFile); |
7349 | |
7350 | |
7351 | if (llvm::sys::fs::is_directory(DSYMPath) && |
7352 | llvm::sys::path::extension(DSYMPath) == ".dSYM") { |
7353 | SmallString<128> ShortName(llvm::sys::path::filename(DSYMPath)); |
7354 | llvm::sys::path::replace_extension(ShortName, ""); |
7355 | SmallString<1024> FullPath(DSYMPath); |
7356 | llvm::sys::path::append(FullPath, "Contents", "Resources", "DWARF", |
7357 | ShortName); |
7358 | DSYMPath = std::string(FullPath.str()); |
7359 | } |
7360 | |
7361 | |
7362 | ErrorOr<std::unique_ptr<MemoryBuffer>> BufOrErr = |
7363 | MemoryBuffer::getFileOrSTDIN(DSYMPath); |
7364 | if (std::error_code EC = BufOrErr.getError()) { |
7365 | reportError(errorCodeToError(EC), DSYMPath); |
7366 | return; |
7367 | } |
7368 | |
7369 | |
7370 | DSYMBuf = std::move(BufOrErr.get()); |
7371 | |
7372 | Expected<std::unique_ptr<Binary>> BinaryOrErr = |
7373 | createBinary(DSYMBuf.get()->getMemBufferRef()); |
7374 | if (!BinaryOrErr) { |
7375 | reportError(BinaryOrErr.takeError(), DSYMPath); |
7376 | return; |
7377 | } |
7378 | |
7379 | |
7380 | DSYMBinary = std::move(BinaryOrErr.get()); |
7381 | if (ObjectFile *O = dyn_cast<ObjectFile>(DSYMBinary.get())) { |
7382 | |
7383 | if (MachOObjectFile *MachDSYM = dyn_cast<MachOObjectFile>(&*O)) { |
7384 | DbgObj = MachDSYM; |
7385 | } |
7386 | else { |
7387 | WithColor::error(errs(), "llvm-objdump") |
7388 | << DSYMPath << " is not a Mach-O file type.\n"; |
7389 | return; |
7390 | } |
7391 | } |
7392 | else if (auto UB = dyn_cast<MachOUniversalBinary>(DSYMBinary.get())){ |
7393 | |
7394 | uint32_t CPUType, CPUSubType; |
7395 | const char *ArchFlag; |
7396 | if (MachOOF->is64Bit()) { |
7397 | const MachO::mach_header_64 H_64 = MachOOF->getHeader64(); |
7398 | CPUType = H_64.cputype; |
7399 | CPUSubType = H_64.cpusubtype; |
7400 | } else { |
7401 | const MachO::mach_header H = MachOOF->getHeader(); |
7402 | CPUType = H.cputype; |
7403 | CPUSubType = H.cpusubtype; |
7404 | } |
7405 | Triple T = MachOObjectFile::getArchTriple(CPUType, CPUSubType, nullptr, |
7406 | &ArchFlag); |
7407 | Expected<std::unique_ptr<MachOObjectFile>> MachDSYM = |
7408 | UB->getMachOObjectForArch(ArchFlag); |
7409 | if (!MachDSYM) { |
7410 | reportError(MachDSYM.takeError(), DSYMPath); |
7411 | return; |
7412 | } |
7413 | |
7414 | |
7415 | DbgObj = &*MachDSYM.get(); |
7416 | DSYMBinary = std::move(*MachDSYM); |
7417 | } |
7418 | else { |
7419 | WithColor::error(errs(), "llvm-objdump") |
7420 | << DSYMPath << " is not a Mach-O or Universal file type.\n"; |
7421 | return; |
7422 | } |
7423 | } |
7424 | |
7425 | |
7426 | diContext = DWARFContext::create(*DbgObj); |
7427 | } |
7428 | |
7429 | if (FilterSections.empty()) |
7430 | outs() << "(" << DisSegName << "," << DisSectName << ") section\n"; |
7431 | |
7432 | for (unsigned SectIdx = 0; SectIdx != Sections.size(); SectIdx++) { |
7433 | Expected<StringRef> SecNameOrErr = Sections[SectIdx].getName(); |
7434 | if (!SecNameOrErr) { |
7435 | consumeError(SecNameOrErr.takeError()); |
7436 | continue; |
7437 | } |
7438 | if (*SecNameOrErr != DisSectName) |
7439 | continue; |
7440 | |
7441 | DataRefImpl DR = Sections[SectIdx].getRawDataRefImpl(); |
7442 | |
7443 | StringRef SegmentName = MachOOF->getSectionFinalSegmentName(DR); |
7444 | if (SegmentName != DisSegName) |
7445 | continue; |
7446 | |
7447 | StringRef BytesStr = |
7448 | unwrapOrError(Sections[SectIdx].getContents(), Filename); |
7449 | ArrayRef<uint8_t> Bytes = arrayRefFromStringRef(BytesStr); |
7450 | uint64_t SectAddress = Sections[SectIdx].getAddress(); |
7451 | |
7452 | bool symbolTableWorked = false; |
7453 | |
7454 | |
7455 | |
7456 | SymbolAddressMap AddrMap; |
7457 | bool DisSymNameFound = false; |
7458 | for (const SymbolRef &Symbol : MachOOF->symbols()) { |
7459 | SymbolRef::Type ST = |
7460 | unwrapOrError(Symbol.getType(), MachOOF->getFileName()); |
7461 | if (ST == SymbolRef::ST_Function || ST == SymbolRef::ST_Data || |
7462 | ST == SymbolRef::ST_Other) { |
7463 | uint64_t Address = cantFail(Symbol.getValue()); |
7464 | StringRef SymName = |
7465 | unwrapOrError(Symbol.getName(), MachOOF->getFileName()); |
7466 | AddrMap[Address] = SymName; |
7467 | if (!DisSymName.empty() && DisSymName == SymName) |
7468 | DisSymNameFound = true; |
7469 | } |
7470 | } |
7471 | if (!DisSymName.empty() && !DisSymNameFound) { |
7472 | outs() << "Can't find -dis-symname: " << DisSymName << "\n"; |
7473 | return; |
7474 | } |
7475 | |
7476 | SymbolizerInfo.verbose = SymbolicOperands; |
7477 | SymbolizerInfo.O = MachOOF; |
7478 | SymbolizerInfo.S = Sections[SectIdx]; |
7479 | SymbolizerInfo.AddrMap = &AddrMap; |
7480 | SymbolizerInfo.Sections = &Sections; |
7481 | |
7482 | ThumbSymbolizerInfo.verbose = SymbolicOperands; |
7483 | ThumbSymbolizerInfo.O = MachOOF; |
7484 | ThumbSymbolizerInfo.S = Sections[SectIdx]; |
7485 | ThumbSymbolizerInfo.AddrMap = &AddrMap; |
7486 | ThumbSymbolizerInfo.Sections = &Sections; |
7487 | |
7488 | unsigned int Arch = MachOOF->getArch(); |
7489 | |
7490 | |
7491 | if (Bytes.empty()) |
7492 | return; |
7493 | |
7494 | |
7495 | |
7496 | |
7497 | bool FirstSymbol = true; |
7498 | bool FirstSymbolAtSectionStart = true; |
7499 | |
7500 | |
7501 | for (unsigned SymIdx = 0; SymIdx != Symbols.size(); SymIdx++) { |
7502 | StringRef SymName = |
7503 | unwrapOrError(Symbols[SymIdx].getName(), MachOOF->getFileName()); |
7504 | SymbolRef::Type ST = |
7505 | unwrapOrError(Symbols[SymIdx].getType(), MachOOF->getFileName()); |
7506 | if (ST != SymbolRef::ST_Function && ST != SymbolRef::ST_Data) |
7507 | continue; |
7508 | |
7509 | |
7510 | bool containsSym = Sections[SectIdx].containsSymbol(Symbols[SymIdx]); |
7511 | if (!containsSym) { |
7512 | if (!DisSymName.empty() && DisSymName == SymName) { |
7513 | outs() << "-dis-symname: " << DisSymName << " not in the section\n"; |
7514 | return; |
7515 | } |
7516 | continue; |
7517 | } |
7518 | |
7519 | |
7520 | |
7521 | |
7522 | |
7523 | if (!DisSymName.empty() && DisSymName == "__mh_execute_header") { |
7524 | outs() << "-dis-symname: __mh_execute_header not in any section\n"; |
7525 | return; |
7526 | } |
7527 | |
7528 | |
7529 | |
7530 | |
7531 | if (SymName == "__mh_execute_header" || SymName == "__mh_dylib_header" || |
7532 | SymName == "__mh_bundle_header" || SymName == "__mh_object_header" || |
7533 | SymName == "__mh_preload_header" || SymName == "__mh_dylinker_header") |
7534 | continue; |
7535 | |
7536 | |
7537 | if (!DisSymName.empty() && DisSymName != SymName) |
7538 | continue; |
7539 | |
7540 | |
7541 | uint64_t SectSize = Sections[SectIdx].getSize(); |
7542 | uint64_t Start = cantFail(Symbols[SymIdx].getValue()); |
7543 | uint64_t SectionAddress = Sections[SectIdx].getAddress(); |
7544 | Start -= SectionAddress; |
7545 | |
7546 | if (Start > SectSize) { |
7547 | outs() << "section data ends, " << SymName |
7548 | << " lies outside valid range\n"; |
7549 | return; |
7550 | } |
7551 | |
7552 | |
7553 | |
7554 | bool containsNextSym = false; |
7555 | uint64_t NextSym = 0; |
7556 | uint64_t NextSymIdx = SymIdx + 1; |
7557 | while (Symbols.size() > NextSymIdx) { |
7558 | SymbolRef::Type NextSymType = unwrapOrError( |
7559 | Symbols[NextSymIdx].getType(), MachOOF->getFileName()); |
7560 | if (NextSymType == SymbolRef::ST_Function) { |
7561 | containsNextSym = |
7562 | Sections[SectIdx].containsSymbol(Symbols[NextSymIdx]); |
7563 | NextSym = cantFail(Symbols[NextSymIdx].getValue()); |
7564 | NextSym -= SectionAddress; |
7565 | break; |
7566 | } |
7567 | ++NextSymIdx; |
7568 | } |
7569 | |
7570 | uint64_t End = containsNextSym ? std::min(NextSym, SectSize) : SectSize; |
7571 | uint64_t Size; |
7572 | |
7573 | symbolTableWorked = true; |
7574 | |
7575 | DataRefImpl Symb = Symbols[SymIdx].getRawDataRefImpl(); |
7576 | uint32_t SymbolFlags = cantFail(MachOOF->getSymbolFlags(Symb)); |
7577 | bool IsThumb = SymbolFlags & SymbolRef::SF_Thumb; |
7578 | |
7579 | |
7580 | |
7581 | bool UseThumbTarget = IsThumb && ThumbTarget; |
7582 | |
7583 | |
7584 | |
7585 | |
7586 | |
7587 | |
7588 | uint64_t SymbolStart = Start; |
7589 | if (DisSymName.empty() && FirstSymbol && Start != 0) { |
7590 | FirstSymbolAtSectionStart = false; |
7591 | Start = 0; |
7592 | } |
7593 | else |
7594 | outs() << SymName << ":\n"; |
7595 | |
7596 | DILineInfo lastLine; |
7597 | for (uint64_t Index = Start; Index < End; Index += Size) { |
7598 | MCInst Inst; |
7599 | |
7600 | |
7601 | |
7602 | |
7603 | if (FirstSymbol && !FirstSymbolAtSectionStart && Index == SymbolStart) |
7604 | outs() << SymName << ":\n"; |
7605 | |
7606 | uint64_t PC = SectAddress + Index; |
7607 | if (LeadingAddr) { |
7608 | if (FullLeadingAddr) { |
7609 | if (MachOOF->is64Bit()) |
7610 | outs() << format("%016" PRIx64, PC); |
7611 | else |
7612 | outs() << format("%08" PRIx64, PC); |
7613 | } else { |
7614 | outs() << format("%8" PRIx64 ":", PC); |
7615 | } |
7616 | } |
7617 | if (ShowRawInsn || Arch == Triple::arm) |
7618 | outs() << "\t"; |
7619 | |
7620 | if (DumpAndSkipDataInCode(PC, Bytes.data() + Index, Dices, Size)) |
7621 | continue; |
7622 | |
7623 | SmallVector<char, 64> AnnotationsBytes; |
7624 | raw_svector_ostream Annotations(AnnotationsBytes); |
7625 | |
7626 | bool gotInst; |
7627 | if (UseThumbTarget) |
7628 | gotInst = ThumbDisAsm->getInstruction(Inst, Size, Bytes.slice(Index), |
7629 | PC, Annotations); |
7630 | else |
7631 | gotInst = DisAsm->getInstruction(Inst, Size, Bytes.slice(Index), PC, |
7632 | Annotations); |
7633 | if (gotInst) { |
7634 | if (ShowRawInsn || Arch == Triple::arm) { |
7635 | dumpBytes(makeArrayRef(Bytes.data() + Index, Size), outs()); |
7636 | } |
7637 | formatted_raw_ostream FormattedOS(outs()); |
7638 | StringRef AnnotationsStr = Annotations.str(); |
7639 | if (UseThumbTarget) |
7640 | ThumbIP->printInst(&Inst, PC, AnnotationsStr, *ThumbSTI, |
7641 | FormattedOS); |
7642 | else |
7643 | IP->printInst(&Inst, PC, AnnotationsStr, *STI, FormattedOS); |
7644 | emitComments(CommentStream, CommentsToEmit, FormattedOS, *AsmInfo); |
7645 | |
7646 | |
7647 | if (diContext) { |
7648 | DILineInfo dli = diContext->getLineInfoForAddress({PC, SectIdx}); |
7649 | |
7650 | if (dli != lastLine && dli.Line != 0) |
7651 | outs() << "\t## " << dli.FileName << ':' << dli.Line << ':' |
7652 | << dli.Column; |
7653 | lastLine = dli; |
7654 | } |
7655 | outs() << "\n"; |
7656 | } else { |
7657 | if (MachOOF->getArchTriple().isX86()) { |
7658 | outs() << format("\t.byte 0x%02x #bad opcode\n", |
7659 | *(Bytes.data() + Index) & 0xff); |
7660 | Size = 1; |
7661 | } else if (Arch == Triple::aarch64 || |
7662 | (Arch == Triple::arm && !IsThumb)) { |
7663 | uint32_t opcode = (*(Bytes.data() + Index) & 0xff) | |
7664 | (*(Bytes.data() + Index + 1) & 0xff) << 8 | |
7665 | (*(Bytes.data() + Index + 2) & 0xff) << 16 | |
7666 | (*(Bytes.data() + Index + 3) & 0xff) << 24; |
7667 | outs() << format("\t.long\t0x%08x\n", opcode); |
7668 | Size = 4; |
7669 | } else if (Arch == Triple::arm) { |
7670 | assert(IsThumb && "ARM mode should have been dealt with above"); |
7671 | uint32_t opcode = (*(Bytes.data() + Index) & 0xff) | |
7672 | (*(Bytes.data() + Index + 1) & 0xff) << 8; |
7673 | outs() << format("\t.short\t0x%04x\n", opcode); |
7674 | Size = 2; |
7675 | } else{ |
7676 | WithColor::warning(errs(), "llvm-objdump") |
7677 | << "invalid instruction encoding\n"; |
7678 | if (Size == 0) |
7679 | Size = 1; |
7680 | } |
7681 | } |
7682 | } |
7683 | |
7684 | |
7685 | FirstSymbol = false; |
7686 | } |
7687 | if (!symbolTableWorked) { |
7688 | |
7689 | uint64_t SectAddress = Sections[SectIdx].getAddress(); |
7690 | uint64_t SectSize = Sections[SectIdx].getSize(); |
7691 | uint64_t InstSize; |
7692 | for (uint64_t Index = 0; Index < SectSize; Index += InstSize) { |
7693 | MCInst Inst; |
7694 | |
7695 | uint64_t PC = SectAddress + Index; |
7696 | |
7697 | if (DumpAndSkipDataInCode(PC, Bytes.data() + Index, Dices, InstSize)) |
7698 | continue; |
7699 | |
7700 | SmallVector<char, 64> AnnotationsBytes; |
7701 | raw_svector_ostream Annotations(AnnotationsBytes); |
7702 | if (DisAsm->getInstruction(Inst, InstSize, Bytes.slice(Index), PC, |
7703 | Annotations)) { |
7704 | if (LeadingAddr) { |
7705 | if (FullLeadingAddr) { |
7706 | if (MachOOF->is64Bit()) |
7707 | outs() << format("%016" PRIx64, PC); |
7708 | else |
7709 | outs() << format("%08" PRIx64, PC); |
7710 | } else { |
7711 | outs() << format("%8" PRIx64 ":", PC); |
7712 | } |
7713 | } |
7714 | if (ShowRawInsn || Arch == Triple::arm) { |
7715 | outs() << "\t"; |
7716 | dumpBytes(makeArrayRef(Bytes.data() + Index, InstSize), outs()); |
7717 | } |
7718 | StringRef AnnotationsStr = Annotations.str(); |
7719 | IP->printInst(&Inst, PC, AnnotationsStr, *STI, outs()); |
7720 | outs() << "\n"; |
7721 | } else { |
7722 | if (MachOOF->getArchTriple().isX86()) { |
7723 | outs() << format("\t.byte 0x%02x #bad opcode\n", |
7724 | *(Bytes.data() + Index) & 0xff); |
7725 | InstSize = 1; |
7726 | } else { |
7727 | WithColor::warning(errs(), "llvm-objdump") |
7728 | << "invalid instruction encoding\n"; |
7729 | if (InstSize == 0) |
7730 | InstSize = 1; |
7731 | } |
7732 | } |
7733 | } |
7734 | } |
7735 | |
7736 | |
7737 | TripleName = ""; |
7738 | ThumbTripleName = ""; |
7739 | |
7740 | if (SymbolizerInfo.demangled_name != nullptr) |
7741 | free(SymbolizerInfo.demangled_name); |
7742 | if (ThumbSymbolizerInfo.demangled_name != nullptr) |
7743 | free(ThumbSymbolizerInfo.demangled_name); |
7744 | } |
7745 | } |
7746 | |
7747 | |
7748 | |
7749 | |
7750 | |
7751 | namespace { |
7752 | |
7753 | template <typename T> |
7754 | static uint64_t read(StringRef Contents, ptrdiff_t Offset) { |
7755 | using llvm::support::little; |
7756 | using llvm::support::unaligned; |
7757 | |
7758 | if (Offset + sizeof(T) > Contents.size()) { |
7759 | outs() << "warning: attempt to read past end of buffer\n"; |
7760 | return T(); |
7761 | } |
7762 | |
7763 | uint64_t Val = |
7764 | support::endian::read<T, little, unaligned>(Contents.data() + Offset); |
7765 | return Val; |
7766 | } |
7767 | |
7768 | template <typename T> |
7769 | static uint64_t readNext(StringRef Contents, ptrdiff_t &Offset) { |
7770 | T Val = read<T>(Contents, Offset); |
7771 | Offset += sizeof(T); |
7772 | return Val; |
7773 | } |
7774 | |
7775 | struct CompactUnwindEntry { |
7776 | uint32_t OffsetInSection; |
7777 | |
7778 | uint64_t FunctionAddr; |
7779 | uint32_t Length; |
7780 | uint32_t CompactEncoding; |
7781 | uint64_t PersonalityAddr; |
7782 | uint64_t LSDAAddr; |
7783 | |
7784 | RelocationRef FunctionReloc; |
7785 | RelocationRef PersonalityReloc; |
7786 | RelocationRef LSDAReloc; |
7787 | |
7788 | CompactUnwindEntry(StringRef Contents, unsigned Offset, bool Is64) |
7789 | : OffsetInSection(Offset) { |
7790 | if (Is64) |
7791 | read<uint64_t>(Contents, Offset); |
7792 | else |
7793 | read<uint32_t>(Contents, Offset); |
7794 | } |
7795 | |
7796 | private: |
7797 | template <typename UIntPtr> void read(StringRef Contents, ptrdiff_t Offset) { |
7798 | FunctionAddr = readNext<UIntPtr>(Contents, Offset); |
7799 | Length = readNext<uint32_t>(Contents, Offset); |
7800 | CompactEncoding = readNext<uint32_t>(Contents, Offset); |
7801 | PersonalityAddr = readNext<UIntPtr>(Contents, Offset); |
7802 | LSDAAddr = readNext<UIntPtr>(Contents, Offset); |
7803 | } |
7804 | }; |
7805 | } |
7806 | |
7807 | |
7808 | |
7809 | |
7810 | |
7811 | |
7812 | |
7813 | |
7814 | |
7815 | |
7816 | |
7817 | static void findUnwindRelocNameAddend(const MachOObjectFile *Obj, |
7818 | std::map<uint64_t, SymbolRef> &Symbols, |
7819 | const RelocationRef &Reloc, uint64_t Addr, |
7820 | StringRef &Name, uint64_t &Addend) { |
7821 | if (Reloc.getSymbol() != Obj->symbol_end()) { |
7822 | Name = unwrapOrError(Reloc.getSymbol()->getName(), Obj->getFileName()); |
7823 | Addend = Addr; |
7824 | return; |
7825 | } |
7826 | |
7827 | auto RE = Obj->getRelocation(Reloc.getRawDataRefImpl()); |
7828 | SectionRef RelocSection = Obj->getAnyRelocationSection(RE); |
7829 | |
7830 | uint64_t SectionAddr = RelocSection.getAddress(); |
7831 | |
7832 | auto Sym = Symbols.upper_bound(Addr); |
7833 | if (Sym == Symbols.begin()) { |
7834 | |
7835 | |
7836 | if (Expected<StringRef> NameOrErr = RelocSection.getName()) |
7837 | Name = *NameOrErr; |
7838 | else |
7839 | consumeError(NameOrErr.takeError()); |
7840 | |
7841 | Addend = Addr - SectionAddr; |
7842 | return; |
7843 | } |
7844 | |
7845 | |
7846 | --Sym; |
7847 | |
7848 | section_iterator SymSection = |
7849 | unwrapOrError(Sym->second.getSection(), Obj->getFileName()); |
7850 | if (RelocSection == *SymSection) { |
7851 | |
7852 | Name = unwrapOrError(Sym->second.getName(), Obj->getFileName()); |
7853 | Addend = Addr - Sym->first; |
7854 | return; |
7855 | } |
7856 | |
7857 | |
7858 | |
7859 | if (Expected<StringRef> NameOrErr = RelocSection.getName()) |
7860 | Name = *NameOrErr; |
7861 | else |
7862 | consumeError(NameOrErr.takeError()); |
7863 | |
7864 | Addend = Addr - SectionAddr; |
7865 | } |
7866 | |
7867 | static void printUnwindRelocDest(const MachOObjectFile *Obj, |
7868 | std::map<uint64_t, SymbolRef> &Symbols, |
7869 | const RelocationRef &Reloc, uint64_t Addr) { |
7870 | StringRef Name; |
7871 | uint64_t Addend; |
7872 | |
7873 | if (!Reloc.getObject()) |
7874 | return; |
7875 | |
7876 | findUnwindRelocNameAddend(Obj, Symbols, Reloc, Addr, Name, Addend); |
7877 | |
7878 | outs() << Name; |
7879 | if (Addend) |
7880 | outs() << " + " << format("0x%" PRIx64, Addend); |
7881 | } |
7882 | |
7883 | static void |
7884 | printMachOCompactUnwindSection(const MachOObjectFile *Obj, |
7885 | std::map<uint64_t, SymbolRef> &Symbols, |
7886 | const SectionRef &CompactUnwind) { |
7887 | |
7888 | if (!Obj->isLittleEndian()) { |
7889 | outs() << "Skipping big-endian __compact_unwind section\n"; |
7890 | return; |
7891 | } |
7892 | |
7893 | bool Is64 = Obj->is64Bit(); |
7894 | uint32_t PointerSize = Is64 ? sizeof(uint64_t) : sizeof(uint32_t); |
7895 | uint32_t EntrySize = 3 * PointerSize + 2 * sizeof(uint32_t); |
7896 | |
7897 | StringRef Contents = |
7898 | unwrapOrError(CompactUnwind.getContents(), Obj->getFileName()); |
7899 | SmallVector<CompactUnwindEntry, 4> CompactUnwinds; |
7900 | |
7901 | |
7902 | for (unsigned Offset = 0; Offset < Contents.size(); Offset += EntrySize) { |
7903 | CompactUnwindEntry Entry(Contents, Offset, Is64); |
7904 | CompactUnwinds.push_back(Entry); |
7905 | } |
7906 | |
7907 | |
7908 | |
7909 | for (const RelocationRef &Reloc : CompactUnwind.relocations()) { |
7910 | uint64_t RelocAddress = Reloc.getOffset(); |
7911 | |
7912 | uint32_t EntryIdx = RelocAddress / EntrySize; |
7913 | uint32_t OffsetInEntry = RelocAddress - EntryIdx * EntrySize; |
7914 | CompactUnwindEntry &Entry = CompactUnwinds[EntryIdx]; |
7915 | |
7916 | if (OffsetInEntry == 0) |
7917 | Entry.FunctionReloc = Reloc; |
7918 | else if (OffsetInEntry == PointerSize + 2 * sizeof(uint32_t)) |
7919 | Entry.PersonalityReloc = Reloc; |
7920 | else if (OffsetInEntry == 2 * PointerSize + 2 * sizeof(uint32_t)) |
7921 | Entry.LSDAReloc = Reloc; |
7922 | else { |
7923 | outs() << "Invalid relocation in __compact_unwind section\n"; |
7924 | return; |
7925 | } |
7926 | } |
7927 | |
7928 | |
7929 | outs() << "Contents of __compact_unwind section:\n"; |
7930 | for (auto &Entry : CompactUnwinds) { |
7931 | outs() << " Entry at offset " |
7932 | << format("0x%" PRIx32, Entry.OffsetInSection) << ":\n"; |
7933 | |
7934 | |
7935 | outs() << " start: " << format("0x%" PRIx64, |
7936 | Entry.FunctionAddr) << ' '; |
7937 | printUnwindRelocDest(Obj, Symbols, Entry.FunctionReloc, Entry.FunctionAddr); |
7938 | outs() << '\n'; |
7939 | |
7940 | |
7941 | outs() << " length: " << format("0x%" PRIx32, Entry.Length) |
7942 | << '\n'; |
7943 | |
7944 | outs() << " compact encoding: " |
7945 | << format("0x%08" PRIx32, Entry.CompactEncoding) << '\n'; |
7946 | |
7947 | |
7948 | if (Entry.PersonalityReloc.getObject()) { |
7949 | outs() << " personality function: " |
7950 | << format("0x%" PRIx64, Entry.PersonalityAddr) << ' '; |
7951 | printUnwindRelocDest(Obj, Symbols, Entry.PersonalityReloc, |
7952 | Entry.PersonalityAddr); |
7953 | outs() << '\n'; |
7954 | } |
7955 | |
7956 | |
7957 | if (Entry.LSDAReloc.getObject()) { |
7958 | outs() << " LSDA: " << format("0x%" PRIx64, |
7959 | Entry.LSDAAddr) << ' '; |
7960 | printUnwindRelocDest(Obj, Symbols, Entry.LSDAReloc, Entry.LSDAAddr); |
7961 | outs() << '\n'; |
7962 | } |
7963 | } |
7964 | } |
7965 | |
7966 | |
7967 | |
7968 | |
7969 | |
7970 | static void printRegularSecondLevelUnwindPage(StringRef PageData) { |
7971 | ptrdiff_t Pos = 0; |
7972 | uint32_t Kind = readNext<uint32_t>(PageData, Pos); |
7973 | (void)Kind; |
7974 | assert(Kind == 2 && "kind for a regular 2nd level index should be 2"); |
7975 | |
7976 | uint16_t EntriesStart = readNext<uint16_t>(PageData, Pos); |
7977 | uint16_t NumEntries = readNext<uint16_t>(PageData, Pos); |
7978 | |
7979 | Pos = EntriesStart; |
7980 | for (unsigned i = 0; i < NumEntries; ++i) { |
7981 | uint32_t FunctionOffset = readNext<uint32_t>(PageData, Pos); |
7982 | uint32_t Encoding = readNext<uint32_t>(PageData, Pos); |
7983 | |
7984 | outs() << " [" << i << "]: " |
7985 | << "function offset=" << format("0x%08" PRIx32, FunctionOffset) |
7986 | << ", " |
7987 | << "encoding=" << format("0x%08" PRIx32, Encoding) << '\n'; |
7988 | } |
7989 | } |
7990 | |
7991 | static void printCompressedSecondLevelUnwindPage( |
7992 | StringRef PageData, uint32_t FunctionBase, |
7993 | const SmallVectorImpl<uint32_t> &CommonEncodings) { |
7994 | ptrdiff_t Pos = 0; |
7995 | uint32_t Kind = readNext<uint32_t>(PageData, Pos); |
7996 | (void)Kind; |
7997 | assert(Kind == 3 && "kind for a compressed 2nd level index should be 3"); |
7998 | |
7999 | uint32_t NumCommonEncodings = CommonEncodings.size(); |
8000 | uint16_t EntriesStart = readNext<uint16_t>(PageData, Pos); |
8001 | uint16_t NumEntries = readNext<uint16_t>(PageData, Pos); |
8002 | |
8003 | uint16_t PageEncodingsStart = readNext<uint16_t>(PageData, Pos); |
8004 | uint16_t NumPageEncodings = readNext<uint16_t>(PageData, Pos); |
8005 | SmallVector<uint32_t, 64> PageEncodings; |
8006 | if (NumPageEncodings) { |
8007 | outs() << " Page encodings: (count = " << NumPageEncodings << ")\n"; |
8008 | Pos = PageEncodingsStart; |
8009 | for (unsigned i = 0; i < NumPageEncodings; ++i) { |
8010 | uint32_t Encoding = readNext<uint32_t>(PageData, Pos); |
8011 | PageEncodings.push_back(Encoding); |
8012 | outs() << " encoding[" << (i + NumCommonEncodings) |
8013 | << "]: " << format("0x%08" PRIx32, Encoding) << '\n'; |
8014 | } |
8015 | } |
8016 | |
8017 | Pos = EntriesStart; |
8018 | for (unsigned i = 0; i < NumEntries; ++i) { |
8019 | uint32_t Entry = readNext<uint32_t>(PageData, Pos); |
8020 | uint32_t FunctionOffset = FunctionBase + (Entry & 0xffffff); |
8021 | uint32_t EncodingIdx = Entry >> 24; |
8022 | |
8023 | uint32_t Encoding; |
8024 | if (EncodingIdx < NumCommonEncodings) |
8025 | Encoding = CommonEncodings[EncodingIdx]; |
8026 | else |
8027 | Encoding = PageEncodings[EncodingIdx - NumCommonEncodings]; |
8028 | |
8029 | outs() << " [" << i << "]: " |
8030 | << "function offset=" << format("0x%08" PRIx32, FunctionOffset) |
8031 | << ", " |
8032 | << "encoding[" << EncodingIdx |
8033 | << "]=" << format("0x%08" PRIx32, Encoding) << '\n'; |
8034 | } |
8035 | } |
8036 | |
8037 | static void printMachOUnwindInfoSection(const MachOObjectFile *Obj, |
8038 | std::map<uint64_t, SymbolRef> &Symbols, |
8039 | const SectionRef &UnwindInfo) { |
8040 | |
8041 | if (!Obj->isLittleEndian()) { |
8042 | outs() << "Skipping big-endian __unwind_info section\n"; |
8043 | return; |
8044 | } |
8045 | |
8046 | outs() << "Contents of __unwind_info section:\n"; |
8047 | |
8048 | StringRef Contents = |
8049 | unwrapOrError(UnwindInfo.getContents(), Obj->getFileName()); |
8050 | ptrdiff_t Pos = 0; |
8051 | |
8052 | |
8053 | |
8054 | |
8055 | |
8056 | uint32_t Version = readNext<uint32_t>(Contents, Pos); |
8057 | outs() << " Version: " |
8058 | << format("0x%" PRIx32, Version) << '\n'; |
8059 | if (Version != 1) { |
8060 | outs() << " Skipping section with unknown version\n"; |
8061 | return; |
8062 | } |
8063 | |
8064 | uint32_t CommonEncodingsStart = readNext<uint32_t>(Contents, Pos); |
8065 | outs() << " Common encodings array section offset: " |
8066 | << format("0x%" PRIx32, CommonEncodingsStart) << '\n'; |
8067 | uint32_t NumCommonEncodings = readNext<uint32_t>(Contents, Pos); |
8068 | outs() << " Number of common encodings in array: " |
8069 | << format("0x%" PRIx32, NumCommonEncodings) << '\n'; |
8070 | |
8071 | uint32_t PersonalitiesStart = readNext<uint32_t>(Contents, Pos); |
8072 | outs() << " Personality function array section offset: " |
8073 | << format("0x%" PRIx32, PersonalitiesStart) << '\n'; |
8074 | uint32_t NumPersonalities = readNext<uint32_t>(Contents, Pos); |
8075 | outs() << " Number of personality functions in array: " |
8076 | << format("0x%" PRIx32, NumPersonalities) << '\n'; |
8077 | |
8078 | uint32_t IndicesStart = readNext<uint32_t>(Contents, Pos); |
8079 | outs() << " Index array section offset: " |
8080 | << format("0x%" PRIx32, IndicesStart) << '\n'; |
8081 | uint32_t NumIndices = readNext<uint32_t>(Contents, Pos); |
8082 | outs() << " Number of indices in array: " |
8083 | << format("0x%" PRIx32, NumIndices) << '\n'; |
8084 | |
8085 | |
8086 | |
8087 | |
8088 | |
8089 | |
8090 | |
8091 | |
8092 | |
8093 | |
8094 | SmallVector<uint32_t, 64> CommonEncodings; |
8095 | outs() << " Common encodings: (count = " << NumCommonEncodings << ")\n"; |
8096 | Pos = CommonEncodingsStart; |
8097 | for (unsigned i = 0; i < NumCommonEncodings; ++i) { |
8098 | uint32_t Encoding = readNext<uint32_t>(Contents, Pos); |
8099 | CommonEncodings.push_back(Encoding); |
8100 | |
8101 | outs() << " encoding[" << i << "]: " << format("0x%08" PRIx32, Encoding) |
8102 | << '\n'; |
8103 | } |
8104 | |
8105 | |
8106 | |
8107 | |
8108 | |
8109 | |
8110 | |
8111 | |
8112 | outs() << " Personality functions: (count = " << NumPersonalities << ")\n"; |
8113 | Pos = PersonalitiesStart; |
8114 | for (unsigned i = 0; i < NumPersonalities; ++i) { |
8115 | uint32_t PersonalityFn = readNext<uint32_t>(Contents, Pos); |
8116 | outs() << " personality[" << i + 1 |
8117 | << "]: " << format("0x%08" PRIx32, PersonalityFn) << '\n'; |
8118 | } |
8119 | |
8120 | |
8121 | |
8122 | |
8123 | |
8124 | |
8125 | |
8126 | |
8127 | struct IndexEntry { |
8128 | uint32_t FunctionOffset; |
8129 | uint32_t SecondLevelPageStart; |
8130 | uint32_t LSDAStart; |
8131 | }; |
8132 | |
8133 | SmallVector<IndexEntry, 4> IndexEntries; |
8134 | |
8135 | outs() << " Top level indices: (count = " << NumIndices << ")\n"; |
8136 | Pos = IndicesStart; |
8137 | for (unsigned i = 0; i < NumIndices; ++i) { |
8138 | IndexEntry Entry; |
8139 | |
8140 | Entry.FunctionOffset = readNext<uint32_t>(Contents, Pos); |
8141 | Entry.SecondLevelPageStart = readNext<uint32_t>(Contents, Pos); |
8142 | Entry.LSDAStart = readNext<uint32_t>(Contents, Pos); |
8143 | IndexEntries.push_back(Entry); |
8144 | |
8145 | outs() << " [" << i << "]: " |
8146 | << "function offset=" << format("0x%08" PRIx32, Entry.FunctionOffset) |
8147 | << ", " |
8148 | << "2nd level page offset=" |
8149 | << format("0x%08" PRIx32, Entry.SecondLevelPageStart) << ", " |
8150 | << "LSDA offset=" << format("0x%08" PRIx32, Entry.LSDAStart) << '\n'; |
8151 | } |
8152 | |
8153 | |
8154 | |
8155 | |
8156 | |
8157 | |
8158 | |
8159 | |
8160 | outs() << " LSDA descriptors:\n"; |
8161 | Pos = IndexEntries[0].LSDAStart; |
8162 | const uint32_t LSDASize = 2 * sizeof(uint32_t); |
8163 | int NumLSDAs = |
8164 | (IndexEntries.back().LSDAStart - IndexEntries[0].LSDAStart) / LSDASize; |
8165 | |
8166 | for (int i = 0; i < NumLSDAs; ++i) { |
8167 | uint32_t FunctionOffset = readNext<uint32_t>(Contents, Pos); |
8168 | uint32_t LSDAOffset = readNext<uint32_t>(Contents, Pos); |
8169 | outs() << " [" << i << "]: " |
8170 | << "function offset=" << format("0x%08" PRIx32, FunctionOffset) |
8171 | << ", " |
8172 | << "LSDA offset=" << format("0x%08" PRIx32, LSDAOffset) << '\n'; |
8173 | } |
8174 | |
8175 | |
8176 | |
8177 | |
8178 | |
8179 | |
8180 | |
8181 | |
8182 | |
8183 | outs() << " Second level indices:\n"; |
8184 | for (unsigned i = 0; i < IndexEntries.size() - 1; ++i) { |
8185 | |
8186 | if (IndexEntries[i].SecondLevelPageStart == 0) |
8187 | break; |
8188 | |
8189 | outs() << " Second level index[" << i << "]: " |
8190 | << "offset in section=" |
8191 | << format("0x%08" PRIx32, IndexEntries[i].SecondLevelPageStart) |
8192 | << ", " |
8193 | << "base function offset=" |
8194 | << format("0x%08" PRIx32, IndexEntries[i].FunctionOffset) << '\n'; |
8195 | |
8196 | Pos = IndexEntries[i].SecondLevelPageStart; |
8197 | if (Pos + sizeof(uint32_t) > Contents.size()) { |
8198 | outs() << "warning: invalid offset for second level page: " << Pos << '\n'; |
8199 | continue; |
8200 | } |
8201 | |
8202 | uint32_t Kind = |
8203 | *reinterpret_cast<const support::ulittle32_t *>(Contents.data() + Pos); |
8204 | if (Kind == 2) |
8205 | printRegularSecondLevelUnwindPage(Contents.substr(Pos, 4096)); |
8206 | else if (Kind == 3) |
8207 | printCompressedSecondLevelUnwindPage(Contents.substr(Pos, 4096), |
8208 | IndexEntries[i].FunctionOffset, |
8209 | CommonEncodings); |
8210 | else |
8211 | outs() << " Skipping 2nd level page with unknown kind " << Kind |
8212 | << '\n'; |
8213 | } |
8214 | } |
8215 | |
8216 | void objdump::printMachOUnwindInfo(const MachOObjectFile *Obj) { |
8217 | std::map<uint64_t, SymbolRef> Symbols; |
8218 | for (const SymbolRef &SymRef : Obj->symbols()) { |
8219 | |
8220 | |
8221 | auto SectOrErr = SymRef.getSection(); |
8222 | if (!SectOrErr) { |
8223 | |
8224 | consumeError(SectOrErr.takeError()); |
8225 | continue; |
8226 | } |
8227 | section_iterator Section = *SectOrErr; |
8228 | if (Section == Obj->section_end()) |
8229 | continue; |
8230 | |
8231 | uint64_t Addr = cantFail(SymRef.getValue()); |
8232 | Symbols.insert(std::make_pair(Addr, SymRef)); |
8233 | } |
8234 | |
8235 | for (const SectionRef &Section : Obj->sections()) { |
8236 | StringRef SectName; |
8237 | if (Expected<StringRef> NameOrErr = Section.getName()) |
8238 | SectName = *NameOrErr; |
8239 | else |
8240 | consumeError(NameOrErr.takeError()); |
8241 | |
8242 | if (SectName == "__compact_unwind") |
8243 | printMachOCompactUnwindSection(Obj, Symbols, Section); |
8244 | else if (SectName == "__unwind_info") |
8245 | printMachOUnwindInfoSection(Obj, Symbols, Section); |
8246 | } |
8247 | } |
8248 | |
8249 | static void PrintMachHeader(uint32_t magic, uint32_t cputype, |
8250 | uint32_t cpusubtype, uint32_t filetype, |
8251 | uint32_t ncmds, uint32_t sizeofcmds, uint32_t flags, |
8252 | bool verbose) { |
8253 | outs() << "Mach header\n"; |
8254 | outs() << " magic cputype cpusubtype caps filetype ncmds " |
8255 | "sizeofcmds flags\n"; |
8256 | if (verbose) { |
8257 | if (magic == MachO::MH_MAGIC) |
8258 | outs() << " MH_MAGIC"; |
8259 | else if (magic == MachO::MH_MAGIC_64) |
8260 | outs() << "MH_MAGIC_64"; |
8261 | else |
8262 | outs() << format(" 0x%08" PRIx32, magic); |
8263 | switch (cputype) { |
8264 | case MachO::CPU_TYPE_I386: |
8265 | outs() << " I386"; |
8266 | switch (cpusubtype & ~MachO::CPU_SUBTYPE_MASK) { |
8267 | case MachO::CPU_SUBTYPE_I386_ALL: |
8268 | outs() << " ALL"; |
8269 | break; |
8270 | default: |
8271 | outs() << format(" %10d", cpusubtype & ~MachO::CPU_SUBTYPE_MASK); |
8272 | break; |
8273 | } |
8274 | break; |
8275 | case MachO::CPU_TYPE_X86_64: |
8276 | outs() << " X86_64"; |
8277 | switch (cpusubtype & ~MachO::CPU_SUBTYPE_MASK) { |
8278 | case MachO::CPU_SUBTYPE_X86_64_ALL: |
8279 | outs() << " ALL"; |
8280 | break; |
8281 | case MachO::CPU_SUBTYPE_X86_64_H: |
8282 | outs() << " Haswell"; |
8283 | break; |
8284 | default: |
8285 | outs() << format(" %10d", cpusubtype & ~MachO::CPU_SUBTYPE_MASK); |
8286 | break; |
8287 | } |
8288 | break; |
8289 | case MachO::CPU_TYPE_ARM: |
8290 | outs() << " ARM"; |
8291 | switch (cpusubtype & ~MachO::CPU_SUBTYPE_MASK) { |
8292 | case MachO::CPU_SUBTYPE_ARM_ALL: |
8293 | outs() << " ALL"; |
8294 | break; |
8295 | case MachO::CPU_SUBTYPE_ARM_V4T: |
8296 | outs() << " V4T"; |
8297 | break; |
8298 | case MachO::CPU_SUBTYPE_ARM_V5TEJ: |
8299 | outs() << " V5TEJ"; |
8300 | break; |
8301 | case MachO::CPU_SUBTYPE_ARM_XSCALE: |
8302 | outs() << " XSCALE"; |
8303 | break; |
8304 | case MachO::CPU_SUBTYPE_ARM_V6: |
8305 | outs() << " V6"; |
8306 | break; |
8307 | case MachO::CPU_SUBTYPE_ARM_V6M: |
8308 | outs() << " V6M"; |
8309 | break; |
8310 | case MachO::CPU_SUBTYPE_ARM_V7: |
8311 | outs() << " V7"; |
8312 | break; |
8313 | case MachO::CPU_SUBTYPE_ARM_V7EM: |
8314 | outs() << " V7EM"; |
8315 | break; |
8316 | case MachO::CPU_SUBTYPE_ARM_V7K: |
8317 | outs() << " V7K"; |
8318 | break; |
8319 | case MachO::CPU_SUBTYPE_ARM_V7M: |
8320 | outs() << " V7M"; |
8321 | break; |
8322 | case MachO::CPU_SUBTYPE_ARM_V7S: |
8323 | outs() << " V7S"; |
8324 | break; |
8325 | default: |
8326 | outs() << format(" %10d", cpusubtype & ~MachO::CPU_SUBTYPE_MASK); |
8327 | break; |
8328 | } |
8329 | break; |
8330 | case MachO::CPU_TYPE_ARM64: |
8331 | outs() << " ARM64"; |
8332 | switch (cpusubtype & ~MachO::CPU_SUBTYPE_MASK) { |
8333 | case MachO::CPU_SUBTYPE_ARM64_ALL: |
8334 | outs() << " ALL"; |
8335 | break; |
8336 | case MachO::CPU_SUBTYPE_ARM64_V8: |
8337 | outs() << " V8"; |
8338 | break; |
8339 | case MachO::CPU_SUBTYPE_ARM64E: |
8340 | outs() << " E"; |
8341 | break; |
8342 | default: |
8343 | outs() << format(" %10d", cpusubtype & ~MachO::CPU_SUBTYPE_MASK); |
8344 | break; |
8345 | } |
8346 | break; |
8347 | case MachO::CPU_TYPE_ARM64_32: |
8348 | outs() << " ARM64_32"; |
8349 | switch (cpusubtype & ~MachO::CPU_SUBTYPE_MASK) { |
8350 | case MachO::CPU_SUBTYPE_ARM64_32_V8: |
8351 | outs() << " V8"; |
8352 | break; |
8353 | default: |
8354 | outs() << format(" %10d", cpusubtype & ~MachO::CPU_SUBTYPE_MASK); |
8355 | break; |
8356 | } |
8357 | break; |
8358 | case MachO::CPU_TYPE_POWERPC: |
8359 | outs() << " PPC"; |
8360 | switch (cpusubtype & ~MachO::CPU_SUBTYPE_MASK) { |
8361 | case MachO::CPU_SUBTYPE_POWERPC_ALL: |
8362 | outs() << " ALL"; |
8363 | break; |
8364 | default: |
8365 | outs() << format(" %10d", cpusubtype & ~MachO::CPU_SUBTYPE_MASK); |
8366 | break; |
8367 | } |
8368 | break; |
8369 | case MachO::CPU_TYPE_POWERPC64: |
8370 | outs() << " PPC64"; |
8371 | switch (cpusubtype & ~MachO::CPU_SUBTYPE_MASK) { |
8372 | case MachO::CPU_SUBTYPE_POWERPC_ALL: |
8373 | outs() << " ALL"; |
8374 | break; |
8375 | default: |
8376 | outs() << format(" %10d", cpusubtype & ~MachO::CPU_SUBTYPE_MASK); |
8377 | break; |
8378 | } |
8379 | break; |
8380 | default: |
8381 | outs() << format(" %7d", cputype); |
8382 | outs() << format(" %10d", cpusubtype & ~MachO::CPU_SUBTYPE_MASK); |
8383 | break; |
8384 | } |
8385 | if ((cpusubtype & MachO::CPU_SUBTYPE_MASK) == MachO::CPU_SUBTYPE_LIB64) { |
8386 | outs() << " LIB64"; |
8387 | } else { |
8388 | outs() << format(" 0x%02" PRIx32, |
8389 | (cpusubtype & MachO::CPU_SUBTYPE_MASK) >> 24); |
8390 | } |
8391 | switch (filetype) { |
8392 | case MachO::MH_OBJECT: |
8393 | outs() << " OBJECT"; |
8394 | break; |
8395 | case MachO::MH_EXECUTE: |
8396 | outs() << " EXECUTE"; |
8397 | break; |
8398 | case MachO::MH_FVMLIB: |
8399 | outs() << " FVMLIB"; |
8400 | break; |
8401 | case MachO::MH_CORE: |
8402 | outs() << " CORE"; |
8403 | break; |
8404 | case MachO::MH_PRELOAD: |
8405 | outs() << " PRELOAD"; |
8406 | break; |
8407 | case MachO::MH_DYLIB: |
8408 | outs() << " DYLIB"; |
8409 | break; |
8410 | case MachO::MH_DYLIB_STUB: |
8411 | outs() << " DYLIB_STUB"; |
8412 | break; |
8413 | case MachO::MH_DYLINKER: |
8414 | outs() << " DYLINKER"; |
8415 | break; |
8416 | case MachO::MH_BUNDLE: |
8417 | outs() << " BUNDLE"; |
8418 | break; |
8419 | case MachO::MH_DSYM: |
8420 | outs() << " DSYM"; |
8421 | break; |
8422 | case MachO::MH_KEXT_BUNDLE: |
8423 | outs() << " KEXTBUNDLE"; |
8424 | break; |
8425 | default: |
8426 | outs() << format(" %10u", filetype); |
8427 | break; |
8428 | } |
8429 | outs() << format(" %5u", ncmds); |
8430 | outs() << format(" %10u", sizeofcmds); |
8431 | uint32_t f = flags; |
8432 | if (f & MachO::MH_NOUNDEFS) { |
8433 | outs() << " NOUNDEFS"; |
8434 | f &= ~MachO::MH_NOUNDEFS; |
8435 | } |
8436 | if (f & MachO::MH_INCRLINK) { |
8437 | outs() << " INCRLINK"; |
8438 | f &= ~MachO::MH_INCRLINK; |
8439 | } |
8440 | if (f & MachO::MH_DYLDLINK) { |
8441 | outs() << " DYLDLINK"; |
8442 | f &= ~MachO::MH_DYLDLINK; |
8443 | } |
8444 | if (f & MachO::MH_BINDATLOAD) { |
8445 | outs() << " BINDATLOAD"; |
8446 | f &= ~MachO::MH_BINDATLOAD; |
8447 | } |
8448 | if (f & MachO::MH_PREBOUND) { |
8449 | outs() << " PREBOUND"; |
8450 | f &= ~MachO::MH_PREBOUND; |
8451 | } |
8452 | if (f & MachO::MH_SPLIT_SEGS) { |
8453 | outs() << " SPLIT_SEGS"; |
8454 | f &= ~MachO::MH_SPLIT_SEGS; |
8455 | } |
8456 | if (f & MachO::MH_LAZY_INIT) { |
8457 | outs() << " LAZY_INIT"; |
8458 | f &= ~MachO::MH_LAZY_INIT; |
8459 | } |
8460 | if (f & MachO::MH_TWOLEVEL) { |
8461 | outs() << " TWOLEVEL"; |
8462 | f &= ~MachO::MH_TWOLEVEL; |
8463 | } |
8464 | if (f & MachO::MH_FORCE_FLAT) { |
8465 | outs() << " FORCE_FLAT"; |
8466 | f &= ~MachO::MH_FORCE_FLAT; |
8467 | } |
8468 | if (f & MachO::MH_NOMULTIDEFS) { |
8469 | outs() << " NOMULTIDEFS"; |
8470 | f &= ~MachO::MH_NOMULTIDEFS; |
8471 | } |
8472 | if (f & MachO::MH_NOFIXPREBINDING) { |
8473 | outs() << " NOFIXPREBINDING"; |
8474 | f &= ~MachO::MH_NOFIXPREBINDING; |
8475 | } |
8476 | if (f & MachO::MH_PREBINDABLE) { |
8477 | outs() << " PREBINDABLE"; |
8478 | f &= ~MachO::MH_PREBINDABLE; |
8479 | } |
8480 | if (f & MachO::MH_ALLMODSBOUND) { |
8481 | outs() << " ALLMODSBOUND"; |
8482 | f &= ~MachO::MH_ALLMODSBOUND; |
8483 | } |
8484 | if (f & MachO::MH_SUBSECTIONS_VIA_SYMBOLS) { |
8485 | outs() << " SUBSECTIONS_VIA_SYMBOLS"; |
8486 | f &= ~MachO::MH_SUBSECTIONS_VIA_SYMBOLS; |
8487 | } |
8488 | if (f & MachO::MH_CANONICAL) { |
8489 | outs() << " CANONICAL"; |
8490 | f &= ~MachO::MH_CANONICAL; |
8491 | } |
8492 | if (f & MachO::MH_WEAK_DEFINES) { |
8493 | outs() << " WEAK_DEFINES"; |
8494 | f &= ~MachO::MH_WEAK_DEFINES; |
8495 | } |
8496 | if (f & MachO::MH_BINDS_TO_WEAK) { |
8497 | outs() << " BINDS_TO_WEAK"; |
8498 | f &= ~MachO::MH_BINDS_TO_WEAK; |
8499 | } |
8500 | if (f & MachO::MH_ALLOW_STACK_EXECUTION) { |
8501 | outs() << " ALLOW_STACK_EXECUTION"; |
8502 | f &= ~MachO::MH_ALLOW_STACK_EXECUTION; |
8503 | } |
8504 | if (f & MachO::MH_DEAD_STRIPPABLE_DYLIB) { |
8505 | outs() << " DEAD_STRIPPABLE_DYLIB"; |
8506 | f &= ~MachO::MH_DEAD_STRIPPABLE_DYLIB; |
8507 | } |
8508 | if (f & MachO::MH_PIE) { |
8509 | outs() << " PIE"; |
8510 | f &= ~MachO::MH_PIE; |
8511 | } |
8512 | if (f & MachO::MH_NO_REEXPORTED_DYLIBS) { |
8513 | outs() << " NO_REEXPORTED_DYLIBS"; |
8514 | f &= ~MachO::MH_NO_REEXPORTED_DYLIBS; |
8515 | } |
8516 | if (f & MachO::MH_HAS_TLV_DESCRIPTORS) { |
8517 | outs() << " MH_HAS_TLV_DESCRIPTORS"; |
8518 | f &= ~MachO::MH_HAS_TLV_DESCRIPTORS; |
8519 | } |
8520 | if (f & MachO::MH_NO_HEAP_EXECUTION) { |
8521 | outs() << " MH_NO_HEAP_EXECUTION"; |
8522 | f &= ~MachO::MH_NO_HEAP_EXECUTION; |
8523 | } |
8524 | if (f & MachO::MH_APP_EXTENSION_SAFE) { |
8525 | outs() << " APP_EXTENSION_SAFE"; |
8526 | f &= ~MachO::MH_APP_EXTENSION_SAFE; |
8527 | } |
8528 | if (f & MachO::MH_NLIST_OUTOFSYNC_WITH_DYLDINFO) { |
8529 | outs() << " NLIST_OUTOFSYNC_WITH_DYLDINFO"; |
8530 | f &= ~MachO::MH_NLIST_OUTOFSYNC_WITH_DYLDINFO; |
8531 | } |
8532 | if (f != 0 || flags == 0) |
8533 | outs() << format(" 0x%08" PRIx32, f); |
8534 | } else { |
8535 | outs() << format(" 0x%08" PRIx32, magic); |
8536 | outs() << format(" %7d", cputype); |
8537 | outs() << format(" %10d", cpusubtype & ~MachO::CPU_SUBTYPE_MASK); |
8538 | outs() << format(" 0x%02" PRIx32, |
8539 | (cpusubtype & MachO::CPU_SUBTYPE_MASK) >> 24); |
8540 | outs() << format(" %10u", filetype); |
8541 | outs() << format(" %5u", ncmds); |
8542 | outs() << format(" %10u", sizeofcmds); |
8543 | outs() << format(" 0x%08" PRIx32, flags); |
8544 | } |
8545 | outs() << "\n"; |
8546 | } |
8547 | |
8548 | static void PrintSegmentCommand(uint32_t cmd, uint32_t cmdsize, |
8549 | StringRef SegName, uint64_t vmaddr, |
8550 | uint64_t vmsize, uint64_t fileoff, |
8551 | uint64_t filesize, uint32_t maxprot, |
8552 | uint32_t initprot, uint32_t nsects, |
8553 | uint32_t flags, uint32_t object_size, |
8554 | bool verbose) { |
8555 | uint64_t expected_cmdsize; |
8556 | if (cmd == MachO::LC_SEGMENT) { |
8557 | outs() << " cmd LC_SEGMENT\n"; |
8558 | expected_cmdsize = nsects; |
8559 | expected_cmdsize *= sizeof(struct MachO::section); |
8560 | expected_cmdsize += sizeof(struct MachO::segment_command); |
8561 | } else { |
8562 | outs() << " cmd LC_SEGMENT_64\n"; |
8563 | expected_cmdsize = nsects; |
8564 | expected_cmdsize *= sizeof(struct MachO::section_64); |
8565 | expected_cmdsize += sizeof(struct MachO::segment_command_64); |
8566 | } |
8567 | outs() << " cmdsize " << cmdsize; |
8568 | if (cmdsize != expected_cmdsize) |
8569 | outs() << " Inconsistent size\n"; |
8570 | else |
8571 | outs() << "\n"; |
8572 | outs() << " segname " << SegName << "\n"; |
8573 | if (cmd == MachO::LC_SEGMENT_64) { |
8574 | outs() << " vmaddr " << format("0x%016" PRIx64, vmaddr) << "\n"; |
8575 | outs() << " vmsize " << format("0x%016" PRIx64, vmsize) << "\n"; |
8576 | } else { |
8577 | outs() << " vmaddr " << format("0x%08" PRIx64, vmaddr) << "\n"; |
8578 | outs() << " vmsize " << format("0x%08" PRIx64, vmsize) << "\n"; |
8579 | } |
8580 | outs() << " fileoff " << fileoff; |
8581 | if (fileoff > object_size) |
8582 | outs() << " (past end of file)\n"; |
8583 | else |
8584 | outs() << "\n"; |
8585 | outs() << " filesize " << filesize; |
8586 | if (fileoff + filesize > object_size) |
8587 | outs() << " (past end of file)\n"; |
8588 | else |
8589 | outs() << "\n"; |
8590 | if (verbose) { |
8591 | if ((maxprot & |
8592 | ~(MachO::VM_PROT_READ | MachO::VM_PROT_WRITE | |
8593 | MachO::VM_PROT_EXECUTE)) != 0) |
8594 | outs() << " maxprot ?" << format("0x%08" PRIx32, maxprot) << "\n"; |
8595 | else { |
8596 | outs() << " maxprot "; |
8597 | outs() << ((maxprot & MachO::VM_PROT_READ) ? "r" : "-"); |
8598 | outs() << ((maxprot & MachO::VM_PROT_WRITE) ? "w" : "-"); |
8599 | outs() << ((maxprot & MachO::VM_PROT_EXECUTE) ? "x\n" : "-\n"); |
8600 | } |
8601 | if ((initprot & |
8602 | ~(MachO::VM_PROT_READ | MachO::VM_PROT_WRITE | |
8603 | MachO::VM_PROT_EXECUTE)) != 0) |
8604 | outs() << " initprot ?" << format("0x%08" PRIx32, initprot) << "\n"; |
8605 | else { |
8606 | outs() << " initprot "; |
8607 | outs() << ((initprot & MachO::VM_PROT_READ) ? "r" : "-"); |
8608 | outs() << ((initprot & MachO::VM_PROT_WRITE) ? "w" : "-"); |
8609 | outs() << ((initprot & MachO::VM_PROT_EXECUTE) ? "x\n" : "-\n"); |
8610 | } |
8611 | } else { |
8612 | outs() << " maxprot " << format("0x%08" PRIx32, maxprot) << "\n"; |
8613 | outs() << " initprot " << format("0x%08" PRIx32, initprot) << "\n"; |
8614 | } |
8615 | outs() << " nsects " << nsects << "\n"; |
8616 | if (verbose) { |
8617 | outs() << " flags"; |
8618 | if (flags == 0) |
8619 | outs() << " (none)\n"; |
8620 | else { |
8621 | if (flags & MachO::SG_HIGHVM) { |
8622 | outs() << " HIGHVM"; |
8623 | flags &= ~MachO::SG_HIGHVM; |
8624 | } |
8625 | if (flags & MachO::SG_FVMLIB) { |
8626 | outs() << " FVMLIB"; |
8627 | flags &= ~MachO::SG_FVMLIB; |
8628 | } |
8629 | if (flags & MachO::SG_NORELOC) { |
8630 | outs() << " NORELOC"; |
8631 | flags &= ~MachO::SG_NORELOC; |
8632 | } |
8633 | if (flags & MachO::SG_PROTECTED_VERSION_1) { |
8634 | outs() << " PROTECTED_VERSION_1"; |
8635 | flags &= ~MachO::SG_PROTECTED_VERSION_1; |
8636 | } |
8637 | if (flags) |
8638 | outs() << format(" 0x%08" PRIx32, flags) << " (unknown flags)\n"; |
8639 | else |
8640 | outs() << "\n"; |
8641 | } |
8642 | } else { |
8643 | outs() << " flags " << format("0x%" PRIx32, flags) << "\n"; |
8644 | } |
8645 | } |
8646 | |
8647 | static void PrintSection(const char *sectname, const char *segname, |
8648 | uint64_t addr, uint64_t size, uint32_t offset, |
8649 | uint32_t align, uint32_t reloff, uint32_t nreloc, |
8650 | uint32_t flags, uint32_t reserved1, uint32_t reserved2, |
8651 | uint32_t cmd, const char *sg_segname, |
8652 | uint32_t filetype, uint32_t object_size, |
8653 | bool verbose) { |
8654 | outs() << "Section\n"; |
8655 | outs() << " sectname " << format("%.16s\n", sectname); |
8656 | outs() << " segname " << format("%.16s", segname); |
8657 | if (filetype != MachO::MH_OBJECT && strncmp(sg_segname, segname, 16) != 0) |
8658 | outs() << " (does not match segment)\n"; |
8659 | else |
8660 | outs() << "\n"; |
8661 | if (cmd == MachO::LC_SEGMENT_64) { |
8662 | outs() << " addr " << format("0x%016" PRIx64, addr) << "\n"; |
8663 | outs() << " size " << format("0x%016" PRIx64, size); |
8664 | } else { |
8665 | outs() << " addr " << format("0x%08" PRIx64, addr) << "\n"; |
8666 | outs() << " size " << format("0x%08" PRIx64, size); |
8667 | } |
8668 | if ((flags & MachO::S_ZEROFILL) != 0 && offset + size > object_size) |
8669 | outs() << " (past end of file)\n"; |
8670 | else |
8671 | outs() << "\n"; |
8672 | outs() << " offset " << offset; |
8673 | if (offset > object_size) |
8674 | outs() << " (past end of file)\n"; |
8675 | else |
8676 | outs() << "\n"; |
8677 | uint32_t align_shifted = 1 << align; |
8678 | outs() << " align 2^" << align << " (" << align_shifted << ")\n"; |
8679 | outs() << " reloff " << reloff; |
8680 | if (reloff > object_size) |
8681 | outs() << " (past end of file)\n"; |
8682 | else |
8683 | outs() << "\n"; |
8684 | outs() << " nreloc " << nreloc; |
8685 | if (reloff + nreloc * sizeof(struct MachO::relocation_info) > object_size) |
8686 | outs() << " (past end of file)\n"; |
8687 | else |
8688 | outs() << "\n"; |
8689 | uint32_t section_type = flags & MachO::SECTION_TYPE; |
8690 | if (verbose) { |
8691 | outs() << " type"; |
8692 | if (section_type == MachO::S_REGULAR) |
8693 | outs() << " S_REGULAR\n"; |
8694 | else if (section_type == MachO::S_ZEROFILL) |
8695 | outs() << " S_ZEROFILL\n"; |
8696 | else if (section_type == MachO::S_CSTRING_LITERALS) |
8697 | outs() << " S_CSTRING_LITERALS\n"; |
8698 | else if (section_type == MachO::S_4BYTE_LITERALS) |
8699 | outs() << " S_4BYTE_LITERALS\n"; |
8700 | else if (section_type == MachO::S_8BYTE_LITERALS) |
8701 | outs() << " S_8BYTE_LITERALS\n"; |
8702 | else if (section_type == MachO::S_16BYTE_LITERALS) |
8703 | outs() << " S_16BYTE_LITERALS\n"; |
8704 | else if (section_type == MachO::S_LITERAL_POINTERS) |
8705 | outs() << " S_LITERAL_POINTERS\n"; |
8706 | else if (section_type == MachO::S_NON_LAZY_SYMBOL_POINTERS) |
8707 | outs() << " S_NON_LAZY_SYMBOL_POINTERS\n"; |
8708 | else if (section_type == MachO::S_LAZY_SYMBOL_POINTERS) |
8709 | outs() << " S_LAZY_SYMBOL_POINTERS\n"; |
8710 | else if (section_type == MachO::S_SYMBOL_STUBS) |
8711 | outs() << " S_SYMBOL_STUBS\n"; |
8712 | else if (section_type == MachO::S_MOD_INIT_FUNC_POINTERS) |
8713 | outs() << " S_MOD_INIT_FUNC_POINTERS\n"; |
8714 | else if (section_type == MachO::S_MOD_TERM_FUNC_POINTERS) |
8715 | outs() << " S_MOD_TERM_FUNC_POINTERS\n"; |
8716 | else if (section_type == MachO::S_COALESCED) |
8717 | outs() << " S_COALESCED\n"; |
8718 | else if (section_type == MachO::S_INTERPOSING) |
8719 | outs() << " S_INTERPOSING\n"; |
8720 | else if (section_type == MachO::S_DTRACE_DOF) |
8721 | outs() << " S_DTRACE_DOF\n"; |
8722 | else if (section_type == MachO::S_LAZY_DYLIB_SYMBOL_POINTERS) |
8723 | outs() << " S_LAZY_DYLIB_SYMBOL_POINTERS\n"; |
8724 | else if (section_type == MachO::S_THREAD_LOCAL_REGULAR) |
8725 | outs() << " S_THREAD_LOCAL_REGULAR\n"; |
8726 | else if (section_type == MachO::S_THREAD_LOCAL_ZEROFILL) |
8727 | outs() << " S_THREAD_LOCAL_ZEROFILL\n"; |
8728 | else if (section_type == MachO::S_THREAD_LOCAL_VARIABLES) |
8729 | outs() << " S_THREAD_LOCAL_VARIABLES\n"; |
8730 | else if (section_type == MachO::S_THREAD_LOCAL_VARIABLE_POINTERS) |
8731 | outs() << " S_THREAD_LOCAL_VARIABLE_POINTERS\n"; |
8732 | else if (section_type == MachO::S_THREAD_LOCAL_INIT_FUNCTION_POINTERS) |
8733 | outs() << " S_THREAD_LOCAL_INIT_FUNCTION_POINTERS\n"; |
8734 | else |
8735 | outs() << format("0x%08" PRIx32, section_type) << "\n"; |
8736 | outs() << "attributes"; |
8737 | uint32_t section_attributes = flags & MachO::SECTION_ATTRIBUTES; |
8738 | if (section_attributes & MachO::S_ATTR_PURE_INSTRUCTIONS) |
8739 | outs() << " PURE_INSTRUCTIONS"; |
8740 | if (section_attributes & MachO::S_ATTR_NO_TOC) |
8741 | outs() << " NO_TOC"; |
8742 | if (section_attributes & MachO::S_ATTR_STRIP_STATIC_SYMS) |
8743 | outs() << " STRIP_STATIC_SYMS"; |
8744 | if (section_attributes & MachO::S_ATTR_NO_DEAD_STRIP) |
8745 | outs() << " NO_DEAD_STRIP"; |
8746 | if (section_attributes & MachO::S_ATTR_LIVE_SUPPORT) |
8747 | outs() << " LIVE_SUPPORT"; |
8748 | if (section_attributes & MachO::S_ATTR_SELF_MODIFYING_CODE) |
8749 | outs() << " SELF_MODIFYING_CODE"; |
8750 | if (section_attributes & MachO::S_ATTR_DEBUG) |
8751 | outs() << " DEBUG"; |
8752 | if (section_attributes & MachO::S_ATTR_SOME_INSTRUCTIONS) |
8753 | outs() << " SOME_INSTRUCTIONS"; |
8754 | if (section_attributes & MachO::S_ATTR_EXT_RELOC) |
8755 | outs() << " EXT_RELOC"; |
8756 | if (section_attributes & MachO::S_ATTR_LOC_RELOC) |
8757 | outs() << " LOC_RELOC"; |
8758 | if (section_attributes == 0) |
8759 | outs() << " (none)"; |
8760 | outs() << "\n"; |
8761 | } else |
8762 | outs() << " flags " << format("0x%08" PRIx32, flags) << "\n"; |
8763 | outs() << " reserved1 " << reserved1; |
8764 | if (section_type == MachO::S_SYMBOL_STUBS || |
8765 | section_type == MachO::S_LAZY_SYMBOL_POINTERS || |
8766 | section_type == MachO::S_LAZY_DYLIB_SYMBOL_POINTERS || |
8767 | section_type == MachO::S_NON_LAZY_SYMBOL_POINTERS || |
8768 | section_type == MachO::S_THREAD_LOCAL_VARIABLE_POINTERS) |
8769 | outs() << " (index into indirect symbol table)\n"; |
8770 | else |
8771 | outs() << "\n"; |
8772 | outs() << " reserved2 " << reserved2; |
8773 | if (section_type == MachO::S_SYMBOL_STUBS) |
8774 | outs() << " (size of stubs)\n"; |
8775 | else |
8776 | outs() << "\n"; |
8777 | } |
8778 | |
8779 | static void PrintSymtabLoadCommand(MachO::symtab_command st, bool Is64Bit, |
8780 | uint32_t object_size) { |
8781 | outs() << " cmd LC_SYMTAB\n"; |
8782 | outs() << " cmdsize " << st.cmdsize; |
8783 | if (st.cmdsize != sizeof(struct MachO::symtab_command)) |
8784 | outs() << " Incorrect size\n"; |
8785 | else |
8786 | outs() << "\n"; |
8787 | outs() << " symoff " << st.symoff; |
8788 | if (st.symoff > object_size) |
8789 | outs() << " (past end of file)\n"; |
8790 | else |
8791 | outs() << "\n"; |
8792 | outs() << " nsyms " << st.nsyms; |
8793 | uint64_t big_size; |
8794 | if (Is64Bit) { |
8795 | big_size = st.nsyms; |
8796 | big_size *= sizeof(struct MachO::nlist_64); |
8797 | big_size += st.symoff; |
8798 | if (big_size > object_size) |
8799 | outs() << " (past end of file)\n"; |
8800 | else |
8801 | outs() << "\n"; |
8802 | } else { |
8803 | big_size = st.nsyms; |
8804 | big_size *= sizeof(struct MachO::nlist); |
8805 | big_size += st.symoff; |
8806 | if (big_size > object_size) |
8807 | outs() << " (past end of file)\n"; |
8808 | else |
8809 | outs() << "\n"; |
8810 | } |
8811 | outs() << " stroff " << st.stroff; |
8812 | if (st.stroff > object_size) |
8813 | outs() << " (past end of file)\n"; |
8814 | else |
8815 | outs() << "\n"; |
8816 | outs() << " strsize " << st.strsize; |
8817 | big_size = st.stroff; |
8818 | big_size += st.strsize; |
8819 | if (big_size > object_size) |
8820 | outs() << " (past end of file)\n"; |
8821 | else |
8822 | outs() << "\n"; |
8823 | } |
8824 | |
8825 | static void PrintDysymtabLoadCommand(MachO::dysymtab_command dyst, |
8826 | uint32_t nsyms, uint32_t object_size, |
8827 | bool Is64Bit) { |
8828 | outs() << " cmd LC_DYSYMTAB\n"; |
8829 | outs() << " cmdsize " << dyst.cmdsize; |
8830 | if (dyst.cmdsize != sizeof(struct MachO::dysymtab_command)) |
8831 | outs() << " Incorrect size\n"; |
8832 | else |
8833 | outs() << "\n"; |
8834 | outs() << " ilocalsym " << dyst.ilocalsym; |
8835 | if (dyst.ilocalsym > nsyms) |
8836 | outs() << " (greater than the number of symbols)\n"; |
8837 | else |
8838 | outs() << "\n"; |
8839 | outs() << " nlocalsym " << dyst.nlocalsym; |
8840 | uint64_t big_size; |
8841 | big_size = dyst.ilocalsym; |
8842 | big_size += dyst.nlocalsym; |
8843 | if (big_size > nsyms) |
8844 | outs() << " (past the end of the symbol table)\n"; |
8845 | else |
8846 | outs() << "\n"; |
8847 | outs() << " iextdefsym " << dyst.iextdefsym; |
8848 | if (dyst.iextdefsym > nsyms) |
8849 | outs() << " (greater than the number of symbols)\n"; |
8850 | else |
8851 | outs() << "\n"; |
8852 | outs() << " nextdefsym " << dyst.nextdefsym; |
8853 | big_size = dyst.iextdefsym; |
8854 | big_size += dyst.nextdefsym; |
8855 | if (big_size > nsyms) |
8856 | outs() << " (past the end of the symbol table)\n"; |
8857 | else |
8858 | outs() << "\n"; |
8859 | outs() << " iundefsym " << dyst.iundefsym; |
8860 | if (dyst.iundefsym > nsyms) |
8861 | outs() << " (greater than the number of symbols)\n"; |
8862 | else |
8863 | outs() << "\n"; |
8864 | outs() << " nundefsym " << dyst.nundefsym; |
8865 | big_size = dyst.iundefsym; |
8866 | big_size += dyst.nundefsym; |
8867 | if (big_size > nsyms) |
8868 | outs() << " (past the end of the symbol table)\n"; |
8869 | else |
8870 | outs() << "\n"; |
8871 | outs() << " tocoff " << dyst.tocoff; |
8872 | if (dyst.tocoff > object_size) |
8873 | outs() << " (past end of file)\n"; |
8874 | else |
8875 | outs() << "\n"; |
8876 | outs() << " ntoc " << dyst.ntoc; |
8877 | big_size = dyst.ntoc; |
8878 | big_size *= sizeof(struct MachO::dylib_table_of_contents); |
8879 | big_size += dyst.tocoff; |
8880 | if (big_size > object_size) |
8881 | outs() << " (past end of file)\n"; |
8882 | else |
8883 | outs() << "\n"; |
8884 | outs() << " modtaboff " << dyst.modtaboff; |
8885 | if (dyst.modtaboff > object_size) |
8886 | outs() << " (past end of file)\n"; |
8887 | else |
8888 | outs() << "\n"; |
8889 | outs() << " nmodtab " << dyst.nmodtab; |
8890 | uint64_t modtabend; |
8891 | if (Is64Bit) { |
8892 | modtabend = dyst.nmodtab; |
8893 | modtabend *= sizeof(struct MachO::dylib_module_64); |
8894 | modtabend += dyst.modtaboff; |
8895 | } else { |
8896 | modtabend = dyst.nmodtab; |
8897 | modtabend *= sizeof(struct MachO::dylib_module); |
8898 | modtabend += dyst.modtaboff; |
8899 | } |
8900 | if (modtabend > object_size) |
8901 | outs() << " (past end of file)\n"; |
8902 | else |
8903 | outs() << "\n"; |
8904 | outs() << " extrefsymoff " << dyst.extrefsymoff; |
8905 | if (dyst.extrefsymoff > object_size) |
8906 | outs() << " (past end of file)\n"; |
8907 | else |
8908 | outs() << "\n"; |
8909 | outs() << " nextrefsyms " << dyst.nextrefsyms; |
8910 | big_size = dyst.nextrefsyms; |
8911 | big_size *= sizeof(struct MachO::dylib_reference); |
8912 | big_size += dyst.extrefsymoff; |
8913 | if (big_size > object_size) |
8914 | outs() << " (past end of file)\n"; |
8915 | else |
8916 | outs() << "\n"; |
8917 | outs() << " indirectsymoff " << dyst.indirectsymoff; |
8918 | if (dyst.indirectsymoff > object_size) |
8919 | outs() << " (past end of file)\n"; |
8920 | else |
8921 | outs() << "\n"; |
8922 | outs() << " nindirectsyms " << dyst.nindirectsyms; |
8923 | big_size = dyst.nindirectsyms; |
8924 | big_size *= sizeof(uint32_t); |
8925 | big_size += dyst.indirectsymoff; |
8926 | if (big_size > object_size) |
8927 | outs() << " (past end of file)\n"; |
8928 | else |
8929 | outs() << "\n"; |
8930 | outs() << " extreloff " << dyst.extreloff; |
8931 | if (dyst.extreloff > object_size) |
8932 | outs() << " (past end of file)\n"; |
8933 | else |
8934 | outs() << "\n"; |
8935 | outs() << " nextrel " << dyst.nextrel; |
8936 | big_size = dyst.nextrel; |
8937 | big_size *= sizeof(struct MachO::relocation_info); |
8938 | big_size += dyst.extreloff; |
8939 | if (big_size > object_size) |
8940 | outs() << " (past end of file)\n"; |
8941 | else |
8942 | outs() << "\n"; |
8943 | outs() << " locreloff " << dyst.locreloff; |
8944 | if (dyst.locreloff > object_size) |
8945 | outs() << " (past end of file)\n"; |
8946 | else |
8947 | outs() << "\n"; |
8948 | outs() << " nlocrel " << dyst.nlocrel; |
8949 | big_size = dyst.nlocrel; |
8950 | big_size *= sizeof(struct MachO::relocation_info); |
8951 | big_size += dyst.locreloff; |
8952 | if (big_size > object_size) |
8953 | outs() << " (past end of file)\n"; |
8954 | else |
8955 | outs() << "\n"; |
8956 | } |
8957 | |
8958 | static void PrintDyldInfoLoadCommand(MachO::dyld_info_command dc, |
8959 | uint32_t object_size) { |
8960 | if (dc.cmd == MachO::LC_DYLD_INFO) |
8961 | outs() << " cmd LC_DYLD_INFO\n"; |
8962 | else |
8963 | outs() << " cmd LC_DYLD_INFO_ONLY\n"; |
8964 | outs() << " cmdsize " << dc.cmdsize; |
8965 | if (dc.cmdsize != sizeof(struct MachO::dyld_info_command)) |
8966 | outs() << " Incorrect size\n"; |
8967 | else |
8968 | outs() << "\n"; |
8969 | outs() << " rebase_off " << dc.rebase_off; |
8970 | if (dc.rebase_off > object_size) |
8971 | outs() << " (past end of file)\n"; |
8972 | else |
8973 | outs() << "\n"; |
8974 | outs() << " rebase_size " << dc.rebase_size; |
8975 | uint64_t big_size; |
8976 | big_size = dc.rebase_off; |
8977 | big_size += dc.rebase_size; |
8978 | if (big_size > object_size) |
8979 | outs() << " (past end of file)\n"; |
8980 | else |
8981 | outs() << "\n"; |
8982 | outs() << " bind_off " << dc.bind_off; |
8983 | if (dc.bind_off > object_size) |
8984 | outs() << " (past end of file)\n"; |
8985 | else |
8986 | outs() << "\n"; |
8987 | outs() << " bind_size " << dc.bind_size; |
8988 | big_size = dc.bind_off; |
8989 | big_size += dc.bind_size; |
8990 | if (big_size > object_size) |
8991 | outs() << " (past end of file)\n"; |
8992 | else |
8993 | outs() << "\n"; |
8994 | outs() << " weak_bind_off " << dc.weak_bind_off; |
8995 | if (dc.weak_bind_off > object_size) |
8996 | outs() << " (past end of file)\n"; |
8997 | else |
8998 | outs() << "\n"; |
8999 | outs() << " weak_bind_size " << dc.weak_bind_size; |
9000 | big_size = dc.weak_bind_off; |
9001 | big_size += dc.weak_bind_size; |
9002 | if (big_size > object_size) |
9003 | outs() << " (past end of file)\n"; |
9004 | else |
9005 | outs() << "\n"; |
9006 | outs() << " lazy_bind_off " << dc.lazy_bind_off; |
9007 | if (dc.lazy_bind_off > object_size) |
9008 | outs() << " (past end of file)\n"; |
9009 | else |
9010 | outs() << "\n"; |
9011 | outs() << " lazy_bind_size " << dc.lazy_bind_size; |
9012 | big_size = dc.lazy_bind_off; |
9013 | big_size += dc.lazy_bind_size; |
9014 | if (big_size > object_size) |
9015 | outs() << " (past end of file)\n"; |
9016 | else |
9017 | outs() << "\n"; |
9018 | outs() << " export_off " << dc.export_off; |
9019 | if (dc.export_off > object_size) |
9020 | outs() << " (past end of file)\n"; |
9021 | else |
9022 | outs() << "\n"; |
9023 | outs() << " export_size " << dc.export_size; |
9024 | big_size = dc.export_off; |
9025 | big_size += dc.export_size; |
9026 | if (big_size > object_size) |
9027 | outs() << " (past end of file)\n"; |
9028 | else |
9029 | outs() << "\n"; |
9030 | } |
9031 | |
9032 | static void PrintDyldLoadCommand(MachO::dylinker_command dyld, |
9033 | const char *Ptr) { |
9034 | if (dyld.cmd == MachO::LC_ID_DYLINKER) |
9035 | outs() << " cmd LC_ID_DYLINKER\n"; |
9036 | else if (dyld.cmd == MachO::LC_LOAD_DYLINKER) |
9037 | outs() << " cmd LC_LOAD_DYLINKER\n"; |
9038 | else if (dyld.cmd == MachO::LC_DYLD_ENVIRONMENT) |
9039 | outs() << " cmd LC_DYLD_ENVIRONMENT\n"; |
9040 | else |
9041 | outs() << " cmd ?(" << dyld.cmd << ")\n"; |
9042 | outs() << " cmdsize " << dyld.cmdsize; |
9043 | if (dyld.cmdsize < sizeof(struct MachO::dylinker_command)) |
9044 | outs() << " Incorrect size\n"; |
9045 | else |
9046 | outs() << "\n"; |
9047 | if (dyld.name >= dyld.cmdsize) |
9048 | outs() << " name ?(bad offset " << dyld.name << ")\n"; |
9049 | else { |
9050 | const char *P = (const char *)(Ptr) + dyld.name; |
9051 | outs() << " name " << P << " (offset " << dyld.name << ")\n"; |
9052 | } |
9053 | } |
9054 | |
9055 | static void PrintUuidLoadCommand(MachO::uuid_command uuid) { |
9056 | outs() << " cmd LC_UUID\n"; |
9057 | outs() << " cmdsize " << uuid.cmdsize; |
9058 | if (uuid.cmdsize != sizeof(struct MachO::uuid_command)) |
9059 | outs() << " Incorrect size\n"; |
9060 | else |
9061 | outs() << "\n"; |
9062 | outs() << " uuid "; |
9063 | for (int i = 0; i < 16; ++i) { |
9064 | outs() << format("%02" PRIX32, uuid.uuid[i]); |
9065 | if (i == 3 || i == 5 || i == 7 || i == 9) |
9066 | outs() << "-"; |
9067 | } |
9068 | outs() << "\n"; |
9069 | } |
9070 | |
9071 | static void PrintRpathLoadCommand(MachO::rpath_command rpath, const char *Ptr) { |
9072 | outs() << " cmd LC_RPATH\n"; |
9073 | outs() << " cmdsize " << rpath.cmdsize; |
9074 | if (rpath.cmdsize < sizeof(struct MachO::rpath_command)) |
9075 | outs() << " Incorrect size\n"; |
9076 | else |
9077 | outs() << "\n"; |
9078 | if (rpath.path >= rpath.cmdsize) |
9079 | outs() << " path ?(bad offset " << rpath.path << ")\n"; |
9080 | else { |
9081 | const char *P = (const char *)(Ptr) + rpath.path; |
9082 | outs() << " path " << P << " (offset " << rpath.path << ")\n"; |
9083 | } |
9084 | } |
9085 | |
9086 | static void PrintVersionMinLoadCommand(MachO::version_min_command vd) { |
9087 | StringRef LoadCmdName; |
9088 | switch (vd.cmd) { |
9089 | case MachO::LC_VERSION_MIN_MACOSX: |
9090 | LoadCmdName = "LC_VERSION_MIN_MACOSX"; |
9091 | break; |
9092 | case MachO::LC_VERSION_MIN_IPHONEOS: |
9093 | LoadCmdName = "LC_VERSION_MIN_IPHONEOS"; |
9094 | break; |
9095 | case MachO::LC_VERSION_MIN_TVOS: |
9096 | LoadCmdName = "LC_VERSION_MIN_TVOS"; |
9097 | break; |
9098 | case MachO::LC_VERSION_MIN_WATCHOS: |
9099 | LoadCmdName = "LC_VERSION_MIN_WATCHOS"; |
9100 | break; |
9101 | default: |
9102 | llvm_unreachable("Unknown version min load command"); |
9103 | } |
9104 | |
9105 | outs() << " cmd " << LoadCmdName << '\n'; |
9106 | outs() << " cmdsize " << vd.cmdsize; |
9107 | if (vd.cmdsize != sizeof(struct MachO::version_min_command)) |
9108 | outs() << " Incorrect size\n"; |
9109 | else |
9110 | outs() << "\n"; |
9111 | outs() << " version " |
9112 | << MachOObjectFile::getVersionMinMajor(vd, false) << "." |
9113 | << MachOObjectFile::getVersionMinMinor(vd, false); |
9114 | uint32_t Update = MachOObjectFile::getVersionMinUpdate(vd, false); |
9115 | if (Update != 0) |
9116 | outs() << "." << Update; |
9117 | outs() << "\n"; |
9118 | if (vd.sdk == 0) |
9119 | outs() << " sdk n/a"; |
9120 | else { |
9121 | outs() << " sdk " |
9122 | << MachOObjectFile::getVersionMinMajor(vd, true) << "." |
9123 | << MachOObjectFile::getVersionMinMinor(vd, true); |
9124 | } |
9125 | Update = MachOObjectFile::getVersionMinUpdate(vd, true); |
9126 | if (Update != 0) |
9127 | outs() << "." << Update; |
9128 | outs() << "\n"; |
9129 | } |
9130 | |
9131 | static void PrintNoteLoadCommand(MachO::note_command Nt) { |
9132 | outs() << " cmd LC_NOTE\n"; |
9133 | outs() << " cmdsize " << Nt.cmdsize; |
9134 | if (Nt.cmdsize != sizeof(struct MachO::note_command)) |
9135 | outs() << " Incorrect size\n"; |
9136 | else |
9137 | outs() << "\n"; |
9138 | const char *d = Nt.data_owner; |
9139 | outs() << "data_owner " << format("%.16s\n", d); |
9140 | outs() << " offset " << Nt.offset << "\n"; |
9141 | outs() << " size " << Nt.size << "\n"; |
9142 | } |
9143 | |
9144 | static void PrintBuildToolVersion(MachO::build_tool_version bv) { |
9145 | outs() << " tool " << MachOObjectFile::getBuildTool(bv.tool) << "\n"; |
9146 | outs() << " version " << MachOObjectFile::getVersionString(bv.version) |
9147 | << "\n"; |
9148 | } |
9149 | |
9150 | static void PrintBuildVersionLoadCommand(const MachOObjectFile *obj, |
9151 | MachO::build_version_command bd) { |
9152 | outs() << " cmd LC_BUILD_VERSION\n"; |
9153 | outs() << " cmdsize " << bd.cmdsize; |
9154 | if (bd.cmdsize != |
9155 | sizeof(struct MachO::build_version_command) + |
9156 | bd.ntools * sizeof(struct MachO::build_tool_version)) |
9157 | outs() << " Incorrect size\n"; |
9158 | else |
9159 | outs() << "\n"; |
9160 | outs() << " platform " << MachOObjectFile::getBuildPlatform(bd.platform) |
9161 | << "\n"; |
9162 | if (bd.sdk) |
9163 | outs() << " sdk " << MachOObjectFile::getVersionString(bd.sdk) |
9164 | << "\n"; |
9165 | else |
9166 | outs() << " sdk n/a\n"; |
9167 | outs() << " minos " << MachOObjectFile::getVersionString(bd.minos) |
9168 | << "\n"; |
9169 | outs() << " ntools " << bd.ntools << "\n"; |
9170 | for (unsigned i = 0; i < bd.ntools; ++i) { |
9171 | MachO::build_tool_version bv = obj->getBuildToolVersion(i); |
9172 | PrintBuildToolVersion(bv); |
9173 | } |
9174 | } |
9175 | |
9176 | static void PrintSourceVersionCommand(MachO::source_version_command sd) { |
9177 | outs() << " cmd LC_SOURCE_VERSION\n"; |
9178 | outs() << " cmdsize " << sd.cmdsize; |
9179 | if (sd.cmdsize != sizeof(struct MachO::source_version_command)) |
9180 | outs() << " Incorrect size\n"; |
9181 | else |
9182 | outs() << "\n"; |
9183 | uint64_t a = (sd.version >> 40) & 0xffffff; |
9184 | uint64_t b = (sd.version >> 30) & 0x3ff; |
9185 | uint64_t c = (sd.version >> 20) & 0x3ff; |
9186 | uint64_t d = (sd.version >> 10) & 0x3ff; |
9187 | uint64_t e = sd.version & 0x3ff; |
9188 | outs() << " version " << a << "." << b; |
9189 | if (e != 0) |
9190 | outs() << "." << c << "." << d << "." << e; |
9191 | else if (d != 0) |
9192 | outs() << "." << c << "." << d; |
9193 | else if (c != 0) |
9194 | outs() << "." << c; |
9195 | outs() << "\n"; |
9196 | } |
9197 | |
9198 | static void PrintEntryPointCommand(MachO::entry_point_command ep) { |
9199 | outs() << " cmd LC_MAIN\n"; |
9200 | outs() << " cmdsize " << ep.cmdsize; |
9201 | if (ep.cmdsize != sizeof(struct MachO::entry_point_command)) |
9202 | outs() << " Incorrect size\n"; |
9203 | else |
9204 | outs() << "\n"; |
9205 | outs() << " entryoff " << ep.entryoff << "\n"; |
9206 | outs() << " stacksize " << ep.stacksize << "\n"; |
9207 | } |
9208 | |
9209 | static void PrintEncryptionInfoCommand(MachO::encryption_info_command ec, |
9210 | uint32_t object_size) { |
9211 | outs() << " cmd LC_ENCRYPTION_INFO\n"; |
9212 | outs() << " cmdsize " << ec.cmdsize; |
9213 | if (ec.cmdsize != sizeof(struct MachO::encryption_info_command)) |
9214 | outs() << " Incorrect size\n"; |
9215 | else |
9216 | outs() << "\n"; |
9217 | outs() << " cryptoff " << ec.cryptoff; |
9218 | if (ec.cryptoff > object_size) |
9219 | outs() << " (past end of file)\n"; |
9220 | else |
9221 | outs() << "\n"; |
9222 | outs() << " cryptsize " << ec.cryptsize; |
9223 | if (ec.cryptsize > object_size) |
9224 | outs() << " (past end of file)\n"; |
9225 | else |
9226 | outs() << "\n"; |
9227 | outs() << " cryptid " << ec.cryptid << "\n"; |
9228 | } |
9229 | |
9230 | static void PrintEncryptionInfoCommand64(MachO::encryption_info_command_64 ec, |
9231 | uint32_t object_size) { |
9232 | outs() << " cmd LC_ENCRYPTION_INFO_64\n"; |
9233 | outs() << " cmdsize " << ec.cmdsize; |
9234 | if (ec.cmdsize != sizeof(struct MachO::encryption_info_command_64)) |
9235 | outs() << " Incorrect size\n"; |
9236 | else |
9237 | outs() << "\n"; |
9238 | outs() << " cryptoff " << ec.cryptoff; |
9239 | if (ec.cryptoff > object_size) |
9240 | outs() << " (past end of file)\n"; |
9241 | else |
9242 | outs() << "\n"; |
9243 | outs() << " cryptsize " << ec.cryptsize; |
9244 | if (ec.cryptsize > object_size) |
9245 | outs() << " (past end of file)\n"; |
9246 | else |
9247 | outs() << "\n"; |
9248 | outs() << " cryptid " << ec.cryptid << "\n"; |
9249 | outs() << " pad " << ec.pad << "\n"; |
9250 | } |
9251 | |
9252 | static void PrintLinkerOptionCommand(MachO::linker_option_command lo, |
9253 | const char *Ptr) { |
9254 | outs() << " cmd LC_LINKER_OPTION\n"; |
9255 | outs() << " cmdsize " << lo.cmdsize; |
9256 | if (lo.cmdsize < sizeof(struct MachO::linker_option_command)) |
9257 | outs() << " Incorrect size\n"; |
9258 | else |
9259 | outs() << "\n"; |
9260 | outs() << " count " << lo.count << "\n"; |
9261 | const char *string = Ptr + sizeof(struct MachO::linker_option_command); |
9262 | uint32_t left = lo.cmdsize - sizeof(struct MachO::linker_option_command); |
9263 | uint32_t i = 0; |
9264 | while (left > 0) { |
9265 | while (*string == '\0' && left > 0) { |
9266 | string++; |
9267 | left--; |
9268 | } |
9269 | if (left > 0) { |
9270 | i++; |
9271 | outs() << " string #" << i << " " << format("%.*s\n", left, string); |
9272 | uint32_t NullPos = StringRef(string, left).find('\0'); |
9273 | uint32_t len = std::min(NullPos, left) + 1; |
9274 | string += len; |
9275 | left -= len; |
9276 | } |
9277 | } |
9278 | if (lo.count != i) |
9279 | outs() << " count " << lo.count << " does not match number of strings " |
9280 | << i << "\n"; |
9281 | } |
9282 | |
9283 | static void PrintSubFrameworkCommand(MachO::sub_framework_command sub, |
9284 | const char *Ptr) { |
9285 | outs() << " cmd LC_SUB_FRAMEWORK\n"; |
9286 | outs() << " cmdsize " << sub.cmdsize; |
9287 | if (sub.cmdsize < sizeof(struct MachO::sub_framework_command)) |
9288 | outs() << " Incorrect size\n"; |
9289 | else |
9290 | outs() << "\n"; |
9291 | if (sub.umbrella < sub.cmdsize) { |
9292 | const char *P = Ptr + sub.umbrella; |
9293 | outs() << " umbrella " << P << " (offset " << sub.umbrella << ")\n"; |
9294 | } else { |
9295 | outs() << " umbrella ?(bad offset " << sub.umbrella << ")\n"; |
9296 | } |
9297 | } |
9298 | |
9299 | static void PrintSubUmbrellaCommand(MachO::sub_umbrella_command sub, |
9300 | const char *Ptr) { |
9301 | outs() << " cmd LC_SUB_UMBRELLA\n"; |
9302 | outs() << " cmdsize " << sub.cmdsize; |
9303 | if (sub.cmdsize < sizeof(struct MachO::sub_umbrella_command)) |
9304 | outs() << " Incorrect size\n"; |
9305 | else |
9306 | outs() << "\n"; |
9307 | if (sub.sub_umbrella < sub.cmdsize) { |
9308 | const char *P = Ptr + sub.sub_umbrella; |
9309 | outs() << " sub_umbrella " << P << " (offset " << sub.sub_umbrella << ")\n"; |
9310 | } else { |
9311 | outs() << " sub_umbrella ?(bad offset " << sub.sub_umbrella << ")\n"; |
9312 | } |
9313 | } |
9314 | |
9315 | static void PrintSubLibraryCommand(MachO::sub_library_command sub, |
9316 | const char *Ptr) { |
9317 | outs() << " cmd LC_SUB_LIBRARY\n"; |
9318 | outs() << " cmdsize " << sub.cmdsize; |
9319 | if (sub.cmdsize < sizeof(struct MachO::sub_library_command)) |
9320 | outs() << " Incorrect size\n"; |
9321 | else |
9322 | outs() << "\n"; |
9323 | if (sub.sub_library < sub.cmdsize) { |
9324 | const char *P = Ptr + sub.sub_library; |
9325 | outs() << " sub_library " << P << " (offset " << sub.sub_library << ")\n"; |
9326 | } else { |
9327 | outs() << " sub_library ?(bad offset " << sub.sub_library << ")\n"; |
9328 | } |
9329 | } |
9330 | |
9331 | static void PrintSubClientCommand(MachO::sub_client_command sub, |
9332 | const char *Ptr) { |
9333 | outs() << " cmd LC_SUB_CLIENT\n"; |
9334 | outs() << " cmdsize " << sub.cmdsize; |
9335 | if (sub.cmdsize < sizeof(struct MachO::sub_client_command)) |
9336 | outs() << " Incorrect size\n"; |
9337 | else |
9338 | outs() << "\n"; |
9339 | if (sub.client < sub.cmdsize) { |
9340 | const char *P = Ptr + sub.client; |
9341 | outs() << " client " << P << " (offset " << sub.client << ")\n"; |
9342 | } else { |
9343 | outs() << " client ?(bad offset " << sub.client << ")\n"; |
9344 | } |
9345 | } |
9346 | |
9347 | static void PrintRoutinesCommand(MachO::routines_command r) { |
9348 | outs() << " cmd LC_ROUTINES\n"; |
9349 | outs() << " cmdsize " << r.cmdsize; |
9350 | if (r.cmdsize != sizeof(struct MachO::routines_command)) |
9351 | outs() << " Incorrect size\n"; |
9352 | else |
9353 | outs() << "\n"; |
9354 | outs() << " init_address " << format("0x%08" PRIx32, r.init_address) << "\n"; |
9355 | outs() << " init_module " << r.init_module << "\n"; |
9356 | outs() << " reserved1 " << r.reserved1 << "\n"; |
9357 | outs() << " reserved2 " << r.reserved2 << "\n"; |
9358 | outs() << " reserved3 " << r.reserved3 << "\n"; |
9359 | outs() << " reserved4 " << r.reserved4 << "\n"; |
9360 | outs() << " reserved5 " << r.reserved5 << "\n"; |
9361 | outs() << " reserved6 " << r.reserved6 << "\n"; |
9362 | } |
9363 | |
9364 | static void PrintRoutinesCommand64(MachO::routines_command_64 r) { |
9365 | outs() << " cmd LC_ROUTINES_64\n"; |
9366 | outs() << " cmdsize " << r.cmdsize; |
9367 | if (r.cmdsize != sizeof(struct MachO::routines_command_64)) |
9368 | outs() << " Incorrect size\n"; |
9369 | else |
9370 | outs() << "\n"; |
9371 | outs() << " init_address " << format("0x%016" PRIx64, r.init_address) << "\n"; |
9372 | outs() << " init_module " << r.init_module << "\n"; |
9373 | outs() << " reserved1 " << r.reserved1 << "\n"; |
9374 | outs() << " reserved2 " << r.reserved2 << "\n"; |
9375 | outs() << " reserved3 " << r.reserved3 << "\n"; |
9376 | outs() << " reserved4 " << r.reserved4 << "\n"; |
9377 | outs() << " reserved5 " << r.reserved5 << "\n"; |
9378 | outs() << " reserved6 " << r.reserved6 << "\n"; |
9379 | } |
9380 | |
9381 | static void Print_x86_thread_state32_t(MachO::x86_thread_state32_t &cpu32) { |
9382 | outs() << "\t eax " << format("0x%08" PRIx32, cpu32.eax); |
9383 | outs() << " ebx " << format("0x%08" PRIx32, cpu32.ebx); |
9384 | outs() << " ecx " << format("0x%08" PRIx32, cpu32.ecx); |
9385 | outs() << " edx " << format("0x%08" PRIx32, cpu32.edx) << "\n"; |
9386 | outs() << "\t edi " << format("0x%08" PRIx32, cpu32.edi); |
9387 | outs() << " esi " << format("0x%08" PRIx32, cpu32.esi); |
9388 | outs() << " ebp " << format("0x%08" PRIx32, cpu32.ebp); |
9389 | outs() << " esp " << format("0x%08" PRIx32, cpu32.esp) << "\n"; |
9390 | outs() << "\t ss " << format("0x%08" PRIx32, cpu32.ss); |
9391 | outs() << " eflags " << format("0x%08" PRIx32, cpu32.eflags); |
9392 | outs() << " eip " << format("0x%08" PRIx32, cpu32.eip); |
9393 | outs() << " cs " << format("0x%08" PRIx32, cpu32.cs) << "\n"; |
9394 | outs() << "\t ds " << format("0x%08" PRIx32, cpu32.ds); |
9395 | outs() << " es " << format("0x%08" PRIx32, cpu32.es); |
9396 | outs() << " fs " << format("0x%08" PRIx32, cpu32.fs); |
9397 | outs() << " gs " << format("0x%08" PRIx32, cpu32.gs) << "\n"; |
9398 | } |
9399 | |
9400 | static void Print_x86_thread_state64_t(MachO::x86_thread_state64_t &cpu64) { |
9401 | outs() << " rax " << format("0x%016" PRIx64, cpu64.rax); |
9402 | outs() << " rbx " << format("0x%016" PRIx64, cpu64.rbx); |
9403 | outs() << " rcx " << format("0x%016" PRIx64, cpu64.rcx) << "\n"; |
9404 | outs() << " rdx " << format("0x%016" PRIx64, cpu64.rdx); |
9405 | outs() << " rdi " << format("0x%016" PRIx64, cpu64.rdi); |
9406 | outs() << " rsi " << format("0x%016" PRIx64, cpu64.rsi) << "\n"; |
9407 | outs() << " rbp " << format("0x%016" PRIx64, cpu64.rbp); |
9408 | outs() << " rsp " << format("0x%016" PRIx64, cpu64.rsp); |
9409 | outs() << " r8 " << format("0x%016" PRIx64, cpu64.r8) << "\n"; |
9410 | outs() << " r9 " << format("0x%016" PRIx64, cpu64.r9); |
9411 | outs() << " r10 " << format("0x%016" PRIx64, cpu64.r10); |
9412 | outs() << " r11 " << format("0x%016" PRIx64, cpu64.r11) << "\n"; |
9413 | outs() << " r12 " << format("0x%016" PRIx64, cpu64.r12); |
9414 | outs() << " r13 " << format("0x%016" PRIx64, cpu64.r13); |
9415 | outs() << " r14 " << format("0x%016" PRIx64, cpu64.r14) << "\n"; |
9416 | outs() << " r15 " << format("0x%016" PRIx64, cpu64.r15); |
9417 | outs() << " rip " << format("0x%016" PRIx64, cpu64.rip) << "\n"; |
9418 | outs() << "rflags " << format("0x%016" PRIx64, cpu64.rflags); |
9419 | outs() << " cs " << format("0x%016" PRIx64, cpu64.cs); |
9420 | outs() << " fs " << format("0x%016" PRIx64, cpu64.fs) << "\n"; |
9421 | outs() << " gs " << format("0x%016" PRIx64, cpu64.gs) << "\n"; |
9422 | } |
9423 | |
9424 | static void Print_mmst_reg(MachO::mmst_reg_t &r) { |
9425 | uint32_t f; |
9426 | outs() << "\t mmst_reg "; |
9427 | for (f = 0; f < 10; f++) |
9428 | outs() << format("%02" PRIx32, (r.mmst_reg[f] & 0xff)) << " "; |
9429 | outs() << "\n"; |
9430 | outs() << "\t mmst_rsrv "; |
9431 | for (f = 0; f < 6; f++) |
9432 | outs() << format("%02" PRIx32, (r.mmst_rsrv[f] & 0xff)) << " "; |
9433 | outs() << "\n"; |
9434 | } |
9435 | |
9436 | static void Print_xmm_reg(MachO::xmm_reg_t &r) { |
9437 | uint32_t f; |
9438 | outs() << "\t xmm_reg "; |
9439 | for (f = 0; f < 16; f++) |
9440 | outs() << format("%02" PRIx32, (r.xmm_reg[f] & 0xff)) << " "; |
9441 | outs() << "\n"; |
9442 | } |
9443 | |
9444 | static void Print_x86_float_state_t(MachO::x86_float_state64_t &fpu) { |
9445 | outs() << "\t fpu_reserved[0] " << fpu.fpu_reserved[0]; |
9446 | outs() << " fpu_reserved[1] " << fpu.fpu_reserved[1] << "\n"; |
9447 | outs() << "\t control: invalid " << fpu.fpu_fcw.invalid; |
9448 | outs() << " denorm " << fpu.fpu_fcw.denorm; |
9449 | outs() << " zdiv " << fpu.fpu_fcw.zdiv; |
9450 | outs() << " ovrfl " << fpu.fpu_fcw.ovrfl; |
9451 | outs() << " undfl " << fpu.fpu_fcw.undfl; |
9452 | outs() << " precis " << fpu.fpu_fcw.precis << "\n"; |
9453 | outs() << "\t\t pc "; |
9454 | if (fpu.fpu_fcw.pc == MachO::x86_FP_PREC_24B) |
9455 | outs() << "FP_PREC_24B "; |
9456 | else if (fpu.fpu_fcw.pc == MachO::x86_FP_PREC_53B) |
9457 | outs() << "FP_PREC_53B "; |
9458 | else if (fpu.fpu_fcw.pc == MachO::x86_FP_PREC_64B) |
9459 | outs() << "FP_PREC_64B "; |
9460 | else |
9461 | outs() << fpu.fpu_fcw.pc << " "; |
9462 | outs() << "rc "; |
9463 | if (fpu.fpu_fcw.rc == MachO::x86_FP_RND_NEAR) |
9464 | outs() << "FP_RND_NEAR "; |
9465 | else if (fpu.fpu_fcw.rc == MachO::x86_FP_RND_DOWN) |
9466 | outs() << "FP_RND_DOWN "; |
9467 | else if (fpu.fpu_fcw.rc == MachO::x86_FP_RND_UP) |
9468 | outs() << "FP_RND_UP "; |
9469 | else if (fpu.fpu_fcw.rc == MachO::x86_FP_CHOP) |
9470 | outs() << "FP_CHOP "; |
9471 | outs() << "\n"; |
9472 | outs() << "\t status: invalid " << fpu.fpu_fsw.invalid; |
9473 | outs() << " denorm " << fpu.fpu_fsw.denorm; |
9474 | outs() << " zdiv " << fpu.fpu_fsw.zdiv; |
9475 | outs() << " ovrfl " << fpu.fpu_fsw.ovrfl; |
9476 | outs() << " undfl " << fpu.fpu_fsw.undfl; |
9477 | outs() << " precis " << fpu.fpu_fsw.precis; |
9478 | outs() << " stkflt " << fpu.fpu_fsw.stkflt << "\n"; |
9479 | outs() << "\t errsumm " << fpu.fpu_fsw.errsumm; |
9480 | outs() << " c0 " << fpu.fpu_fsw.c0; |
9481 | outs() << " c1 " << fpu.fpu_fsw.c1; |
9482 | outs() << " c2 " << fpu.fpu_fsw.c2; |
9483 | outs() << " tos " << fpu.fpu_fsw.tos; |
9484 | outs() << " c3 " << fpu.fpu_fsw.c3; |
9485 | outs() << " busy " << fpu.fpu_fsw.busy << "\n"; |
9486 | outs() << "\t fpu_ftw " << format("0x%02" PRIx32, fpu.fpu_ftw); |
9487 | outs() << " fpu_rsrv1 " << format("0x%02" PRIx32, fpu.fpu_rsrv1); |
9488 | outs() << " fpu_fop " << format("0x%04" PRIx32, fpu.fpu_fop); |
9489 | outs() << " fpu_ip " << format("0x%08" PRIx32, fpu.fpu_ip) << "\n"; |
9490 | outs() << "\t fpu_cs " << format("0x%04" PRIx32, fpu.fpu_cs); |
9491 | outs() << " fpu_rsrv2 " << format("0x%04" PRIx32, fpu.fpu_rsrv2); |
9492 | outs() << " fpu_dp " << format("0x%08" PRIx32, fpu.fpu_dp); |
9493 | outs() << " fpu_ds " << format("0x%04" PRIx32, fpu.fpu_ds) << "\n"; |
9494 | outs() << "\t fpu_rsrv3 " << format("0x%04" PRIx32, fpu.fpu_rsrv3); |
9495 | outs() << " fpu_mxcsr " << format("0x%08" PRIx32, fpu.fpu_mxcsr); |
9496 | outs() << " fpu_mxcsrmask " << format("0x%08" PRIx32, fpu.fpu_mxcsrmask); |
9497 | outs() << "\n"; |
9498 | outs() << "\t fpu_stmm0:\n"; |
9499 | Print_mmst_reg(fpu.fpu_stmm0); |
9500 | outs() << "\t fpu_stmm1:\n"; |
9501 | Print_mmst_reg(fpu.fpu_stmm1); |
9502 | outs() << "\t fpu_stmm2:\n"; |
9503 | Print_mmst_reg(fpu.fpu_stmm2); |
9504 | outs() << "\t fpu_stmm3:\n"; |
9505 | Print_mmst_reg(fpu.fpu_stmm3); |
9506 | outs() << "\t fpu_stmm4:\n"; |
9507 | Print_mmst_reg(fpu.fpu_stmm4); |
9508 | outs() << "\t fpu_stmm5:\n"; |
9509 | Print_mmst_reg(fpu.fpu_stmm5); |
9510 | outs() << "\t fpu_stmm6:\n"; |
9511 | Print_mmst_reg(fpu.fpu_stmm6); |
9512 | outs() << "\t fpu_stmm7:\n"; |
9513 | Print_mmst_reg(fpu.fpu_stmm7); |
9514 | outs() << "\t fpu_xmm0:\n"; |
9515 | Print_xmm_reg(fpu.fpu_xmm0); |
9516 | outs() << "\t fpu_xmm1:\n"; |
9517 | Print_xmm_reg(fpu.fpu_xmm1); |
9518 | outs() << "\t fpu_xmm2:\n"; |
9519 | Print_xmm_reg(fpu.fpu_xmm2); |
9520 | outs() << "\t fpu_xmm3:\n"; |
9521 | Print_xmm_reg(fpu.fpu_xmm3); |
9522 | outs() << "\t fpu_xmm4:\n"; |
9523 | Print_xmm_reg(fpu.fpu_xmm4); |
9524 | outs() << "\t fpu_xmm5:\n"; |
9525 | Print_xmm_reg(fpu.fpu_xmm5); |
9526 | outs() << "\t fpu_xmm6:\n"; |
9527 | Print_xmm_reg(fpu.fpu_xmm6); |
9528 | outs() << "\t fpu_xmm7:\n"; |
9529 | Print_xmm_reg(fpu.fpu_xmm7); |
9530 | outs() << "\t fpu_xmm8:\n"; |
9531 | Print_xmm_reg(fpu.fpu_xmm8); |
9532 | outs() << "\t fpu_xmm9:\n"; |
9533 | Print_xmm_reg(fpu.fpu_xmm9); |
9534 | outs() << "\t fpu_xmm10:\n"; |
9535 | Print_xmm_reg(fpu.fpu_xmm10); |
9536 | outs() << "\t fpu_xmm11:\n"; |
9537 | Print_xmm_reg(fpu.fpu_xmm11); |
9538 | outs() << "\t fpu_xmm12:\n"; |
9539 | Print_xmm_reg(fpu.fpu_xmm12); |
9540 | outs() << "\t fpu_xmm13:\n"; |
9541 | Print_xmm_reg(fpu.fpu_xmm13); |
9542 | outs() << "\t fpu_xmm14:\n"; |
9543 | Print_xmm_reg(fpu.fpu_xmm14); |
9544 | outs() << "\t fpu_xmm15:\n"; |
9545 | Print_xmm_reg(fpu.fpu_xmm15); |
9546 | outs() << "\t fpu_rsrv4:\n"; |
9547 | for (uint32_t f = 0; f < 6; f++) { |
9548 | outs() << "\t "; |
9549 | for (uint32_t g = 0; g < 16; g++) |
9550 | outs() << format("%02" PRIx32, fpu.fpu_rsrv4[f * g]) << " "; |
9551 | outs() << "\n"; |
9552 | } |
9553 | outs() << "\t fpu_reserved1 " << format("0x%08" PRIx32, fpu.fpu_reserved1); |
9554 | outs() << "\n"; |
9555 | } |
9556 | |
9557 | static void Print_x86_exception_state_t(MachO::x86_exception_state64_t &exc64) { |
9558 | outs() << "\t trapno " << format("0x%08" PRIx32, exc64.trapno); |
9559 | outs() << " err " << format("0x%08" PRIx32, exc64.err); |
9560 | outs() << " faultvaddr " << format("0x%016" PRIx64, exc64.faultvaddr) << "\n"; |
9561 | } |
9562 | |
9563 | static void Print_arm_thread_state32_t(MachO::arm_thread_state32_t &cpu32) { |
9564 | outs() << "\t r0 " << format("0x%08" PRIx32, cpu32.r[0]); |
9565 | outs() << " r1 " << format("0x%08" PRIx32, cpu32.r[1]); |
9566 | outs() << " r2 " << format("0x%08" PRIx32, cpu32.r[2]); |
9567 | outs() << " r3 " << format("0x%08" PRIx32, cpu32.r[3]) << "\n"; |
9568 | outs() << "\t r4 " << format("0x%08" PRIx32, cpu32.r[4]); |
9569 | outs() << " r5 " << format("0x%08" PRIx32, cpu32.r[5]); |
9570 | outs() << " r6 " << format("0x%08" PRIx32, cpu32.r[6]); |
9571 | outs() << " r7 " << format("0x%08" PRIx32, cpu32.r[7]) << "\n"; |
9572 | outs() << "\t r8 " << format("0x%08" PRIx32, cpu32.r[8]); |
9573 | outs() << " r9 " << format("0x%08" PRIx32, cpu32.r[9]); |
9574 | outs() << " r10 " << format("0x%08" PRIx32, cpu32.r[10]); |
9575 | outs() << " r11 " << format("0x%08" PRIx32, cpu32.r[11]) << "\n"; |
9576 | outs() << "\t r12 " << format("0x%08" PRIx32, cpu32.r[12]); |
9577 | outs() << " sp " << format("0x%08" PRIx32, cpu32.sp); |
9578 | outs() << " lr " << format("0x%08" PRIx32, cpu32.lr); |
9579 | outs() << " pc " << format("0x%08" PRIx32, cpu32.pc) << "\n"; |
9580 | outs() << "\t cpsr " << format("0x%08" PRIx32, cpu32.cpsr) << "\n"; |
9581 | } |
9582 | |
9583 | static void Print_arm_thread_state64_t(MachO::arm_thread_state64_t &cpu64) { |
9584 | outs() << "\t x0 " << format("0x%016" PRIx64, cpu64.x[0]); |
9585 | outs() << " x1 " << format("0x%016" PRIx64, cpu64.x[1]); |
9586 | outs() << " x2 " << format("0x%016" PRIx64, cpu64.x[2]) << "\n"; |
9587 | outs() << "\t x3 " << format("0x%016" PRIx64, cpu64.x[3]); |
9588 | outs() << " x4 " << format("0x%016" PRIx64, cpu64.x[4]); |
9589 | outs() << " x5 " << format("0x%016" PRIx64, cpu64.x[5]) << "\n"; |
9590 | outs() << "\t x6 " << format("0x%016" PRIx64, cpu64.x[6]); |
9591 | outs() << " x7 " << format("0x%016" PRIx64, cpu64.x[7]); |
9592 | outs() << " x8 " << format("0x%016" PRIx64, cpu64.x[8]) << "\n"; |
9593 | outs() << "\t x9 " << format("0x%016" PRIx64, cpu64.x[9]); |
9594 | outs() << " x10 " << format("0x%016" PRIx64, cpu64.x[10]); |
9595 | outs() << " x11 " << format("0x%016" PRIx64, cpu64.x[11]) << "\n"; |
9596 | outs() << "\t x12 " << format("0x%016" PRIx64, cpu64.x[12]); |
9597 | outs() << " x13 " << format("0x%016" PRIx64, cpu64.x[13]); |
9598 | outs() << " x14 " << format("0x%016" PRIx64, cpu64.x[14]) << "\n"; |
9599 | outs() << "\t x15 " << format("0x%016" PRIx64, cpu64.x[15]); |
9600 | outs() << " x16 " << format("0x%016" PRIx64, cpu64.x[16]); |
9601 | outs() << " x17 " << format("0x%016" PRIx64, cpu64.x[17]) << "\n"; |
9602 | outs() << "\t x18 " << format("0x%016" PRIx64, cpu64.x[18]); |
9603 | outs() << " x19 " << format("0x%016" PRIx64, cpu64.x[19]); |
9604 | outs() << " x20 " << format("0x%016" PRIx64, cpu64.x[20]) << "\n"; |
9605 | outs() << "\t x21 " << format("0x%016" PRIx64, cpu64.x[21]); |
9606 | outs() << " x22 " << format("0x%016" PRIx64, cpu64.x[22]); |
9607 | outs() << " x23 " << format("0x%016" PRIx64, cpu64.x[23]) << "\n"; |
9608 | outs() << "\t x24 " << format("0x%016" PRIx64, cpu64.x[24]); |
9609 | outs() << " x25 " << format("0x%016" PRIx64, cpu64.x[25]); |
9610 | outs() << " x26 " << format("0x%016" PRIx64, cpu64.x[26]) << "\n"; |
9611 | outs() << "\t x27 " << format("0x%016" PRIx64, cpu64.x[27]); |
9612 | outs() << " x28 " << format("0x%016" PRIx64, cpu64.x[28]); |
9613 | outs() << " fp " << format("0x%016" PRIx64, cpu64.fp) << "\n"; |
9614 | outs() << "\t lr " << format("0x%016" PRIx64, cpu64.lr); |
9615 | outs() << " sp " << format("0x%016" PRIx64, cpu64.sp); |
9616 | outs() << " pc " << format("0x%016" PRIx64, cpu64.pc) << "\n"; |
9617 | outs() << "\t cpsr " << format("0x%08" PRIx32, cpu64.cpsr) << "\n"; |
9618 | } |
9619 | |
9620 | static void PrintThreadCommand(MachO::thread_command t, const char *Ptr, |
9621 | bool isLittleEndian, uint32_t cputype) { |
9622 | if (t.cmd == MachO::LC_THREAD) |
9623 | outs() << " cmd LC_THREAD\n"; |
9624 | else if (t.cmd == MachO::LC_UNIXTHREAD) |
9625 | outs() << " cmd LC_UNIXTHREAD\n"; |
9626 | else |
9627 | outs() << " cmd " << t.cmd << " (unknown)\n"; |
9628 | outs() << " cmdsize " << t.cmdsize; |
9629 | if (t.cmdsize < sizeof(struct MachO::thread_command) + 2 * sizeof(uint32_t)) |
9630 | outs() << " Incorrect size\n"; |
9631 | else |
9632 | outs() << "\n"; |
9633 | |
9634 | const char *begin = Ptr + sizeof(struct MachO::thread_command); |
9635 | const char *end = Ptr + t.cmdsize; |
9636 | uint32_t flavor, count, left; |
9637 | if (cputype == MachO::CPU_TYPE_I386) { |
9638 | while (begin < end) { |
9639 | if (end - begin > (ptrdiff_t)sizeof(uint32_t)) { |
9640 | memcpy((char *)&flavor, begin, sizeof(uint32_t)); |
9641 | begin += sizeof(uint32_t); |
9642 | } else { |
9643 | flavor = 0; |
9644 | begin = end; |
9645 | } |
9646 | if (isLittleEndian != sys::IsLittleEndianHost) |
9647 | sys::swapByteOrder(flavor); |
9648 | if (end - begin > (ptrdiff_t)sizeof(uint32_t)) { |
9649 | memcpy((char *)&count, begin, sizeof(uint32_t)); |
9650 | begin += sizeof(uint32_t); |
9651 | } else { |
9652 | count = 0; |
9653 | begin = end; |
9654 | } |
9655 | if (isLittleEndian != sys::IsLittleEndianHost) |
9656 | sys::swapByteOrder(count); |
9657 | if (flavor == MachO::x86_THREAD_STATE32) { |
9658 | outs() << " flavor i386_THREAD_STATE\n"; |
9659 | if (count == MachO::x86_THREAD_STATE32_COUNT) |
9660 | outs() << " count i386_THREAD_STATE_COUNT\n"; |
9661 | else |
9662 | outs() << " count " << count |
9663 | << " (not x86_THREAD_STATE32_COUNT)\n"; |
9664 | MachO::x86_thread_state32_t cpu32; |
9665 | left = end - begin; |
9666 | if (left >= sizeof(MachO::x86_thread_state32_t)) { |
9667 | memcpy(&cpu32, begin, sizeof(MachO::x86_thread_state32_t)); |
9668 | begin += sizeof(MachO::x86_thread_state32_t); |
9669 | } else { |
9670 | memset(&cpu32, '\0', sizeof(MachO::x86_thread_state32_t)); |
9671 | memcpy(&cpu32, begin, left); |
9672 | begin += left; |
9673 | } |
9674 | if (isLittleEndian != sys::IsLittleEndianHost) |
9675 | swapStruct(cpu32); |
9676 | Print_x86_thread_state32_t(cpu32); |
9677 | } else if (flavor == MachO::x86_THREAD_STATE) { |
9678 | outs() << " flavor x86_THREAD_STATE\n"; |
9679 | if (count == MachO::x86_THREAD_STATE_COUNT) |
9680 | outs() << " count x86_THREAD_STATE_COUNT\n"; |
9681 | else |
9682 | outs() << " count " << count |
9683 | << " (not x86_THREAD_STATE_COUNT)\n"; |
9684 | struct MachO::x86_thread_state_t ts; |
9685 | left = end - begin; |
9686 | if (left >= sizeof(MachO::x86_thread_state_t)) { |
9687 | memcpy(&ts, begin, sizeof(MachO::x86_thread_state_t)); |
9688 | begin += sizeof(MachO::x86_thread_state_t); |
9689 | } else { |
9690 | memset(&ts, '\0', sizeof(MachO::x86_thread_state_t)); |
9691 | memcpy(&ts, begin, left); |
9692 | begin += left; |
9693 | } |
9694 | if (isLittleEndian != sys::IsLittleEndianHost) |
9695 | swapStruct(ts); |
9696 | if (ts.tsh.flavor == MachO::x86_THREAD_STATE32) { |
9697 | outs() << "\t tsh.flavor x86_THREAD_STATE32 "; |
9698 | if (ts.tsh.count == MachO::x86_THREAD_STATE32_COUNT) |
9699 | outs() << "tsh.count x86_THREAD_STATE32_COUNT\n"; |
9700 | else |
9701 | outs() << "tsh.count " << ts.tsh.count |
9702 | << " (not x86_THREAD_STATE32_COUNT\n"; |
9703 | Print_x86_thread_state32_t(ts.uts.ts32); |
9704 | } else { |
9705 | outs() << "\t tsh.flavor " << ts.tsh.flavor << " tsh.count " |
9706 | << ts.tsh.count << "\n"; |
9707 | } |
9708 | } else { |
9709 | outs() << " flavor " << flavor << " (unknown)\n"; |
9710 | outs() << " count " << count << "\n"; |
9711 | outs() << " state (unknown)\n"; |
9712 | begin += count * sizeof(uint32_t); |
9713 | } |
9714 | } |
9715 | } else if (cputype == MachO::CPU_TYPE_X86_64) { |
9716 | while (begin < end) { |
9717 | if (end - begin > (ptrdiff_t)sizeof(uint32_t)) { |
9718 | memcpy((char *)&flavor, begin, sizeof(uint32_t)); |
9719 | begin += sizeof(uint32_t); |
9720 | } else { |
9721 | flavor = 0; |
9722 | begin = end; |
9723 | } |
9724 | if (isLittleEndian != sys::IsLittleEndianHost) |
9725 | sys::swapByteOrder(flavor); |
9726 | if (end - begin > (ptrdiff_t)sizeof(uint32_t)) { |
9727 | memcpy((char *)&count, begin, sizeof(uint32_t)); |
9728 | begin += sizeof(uint32_t); |
9729 | } else { |
9730 | count = 0; |
9731 | begin = end; |
9732 | } |
9733 | if (isLittleEndian != sys::IsLittleEndianHost) |
9734 | sys::swapByteOrder(count); |
9735 | if (flavor == MachO::x86_THREAD_STATE64) { |
9736 | outs() << " flavor x86_THREAD_STATE64\n"; |
9737 | if (count == MachO::x86_THREAD_STATE64_COUNT) |
9738 | outs() << " count x86_THREAD_STATE64_COUNT\n"; |
9739 | else |
9740 | outs() << " count " << count |
9741 | << " (not x86_THREAD_STATE64_COUNT)\n"; |
9742 | MachO::x86_thread_state64_t cpu64; |
9743 | left = end - begin; |
9744 | if (left >= sizeof(MachO::x86_thread_state64_t)) { |
9745 | memcpy(&cpu64, begin, sizeof(MachO::x86_thread_state64_t)); |
9746 | begin += sizeof(MachO::x86_thread_state64_t); |
9747 | } else { |
9748 | memset(&cpu64, '\0', sizeof(MachO::x86_thread_state64_t)); |
9749 | memcpy(&cpu64, begin, left); |
9750 | begin += left; |
9751 | } |
9752 | if (isLittleEndian != sys::IsLittleEndianHost) |
9753 | swapStruct(cpu64); |
9754 | Print_x86_thread_state64_t(cpu64); |
9755 | } else if (flavor == MachO::x86_THREAD_STATE) { |
9756 | outs() << " flavor x86_THREAD_STATE\n"; |
9757 | if (count == MachO::x86_THREAD_STATE_COUNT) |
9758 | outs() << " count x86_THREAD_STATE_COUNT\n"; |
9759 | else |
9760 | outs() << " count " << count |
9761 | << " (not x86_THREAD_STATE_COUNT)\n"; |
9762 | struct MachO::x86_thread_state_t ts; |
9763 | left = end - begin; |
9764 | if (left >= sizeof(MachO::x86_thread_state_t)) { |
9765 | memcpy(&ts, begin, sizeof(MachO::x86_thread_state_t)); |
9766 | begin += sizeof(MachO::x86_thread_state_t); |
9767 | } else { |
9768 | memset(&ts, '\0', sizeof(MachO::x86_thread_state_t)); |
9769 | memcpy(&ts, begin, left); |
9770 | begin += left; |
9771 | } |
9772 | if (isLittleEndian != sys::IsLittleEndianHost) |
9773 | swapStruct(ts); |
9774 | if (ts.tsh.flavor == MachO::x86_THREAD_STATE64) { |
9775 | outs() << "\t tsh.flavor x86_THREAD_STATE64 "; |
9776 | if (ts.tsh.count == MachO::x86_THREAD_STATE64_COUNT) |
9777 | outs() << "tsh.count x86_THREAD_STATE64_COUNT\n"; |
9778 | else |
9779 | outs() << "tsh.count " << ts.tsh.count |
9780 | << " (not x86_THREAD_STATE64_COUNT\n"; |
9781 | Print_x86_thread_state64_t(ts.uts.ts64); |
9782 | } else { |
9783 | outs() << "\t tsh.flavor " << ts.tsh.flavor << " tsh.count " |
9784 | << ts.tsh.count << "\n"; |
9785 | } |
9786 | } else if (flavor == MachO::x86_FLOAT_STATE) { |
9787 | outs() << " flavor x86_FLOAT_STATE\n"; |
9788 | if (count == MachO::x86_FLOAT_STATE_COUNT) |
9789 | outs() << " count x86_FLOAT_STATE_COUNT\n"; |
9790 | else |
9791 | outs() << " count " << count << " (not x86_FLOAT_STATE_COUNT)\n"; |
9792 | struct MachO::x86_float_state_t fs; |
9793 | left = end - begin; |
9794 | if (left >= sizeof(MachO::x86_float_state_t)) { |
9795 | memcpy(&fs, begin, sizeof(MachO::x86_float_state_t)); |
9796 | begin += sizeof(MachO::x86_float_state_t); |
9797 | } else { |
9798 | memset(&fs, '\0', sizeof(MachO::x86_float_state_t)); |
9799 | memcpy(&fs, begin, left); |
9800 | begin += left; |
9801 | } |
9802 | if (isLittleEndian != sys::IsLittleEndianHost) |
9803 | swapStruct(fs); |
9804 | if (fs.fsh.flavor == MachO::x86_FLOAT_STATE64) { |
9805 | outs() << "\t fsh.flavor x86_FLOAT_STATE64 "; |
9806 | if (fs.fsh.count == MachO::x86_FLOAT_STATE64_COUNT) |
9807 | outs() << "fsh.count x86_FLOAT_STATE64_COUNT\n"; |
9808 | else |
9809 | outs() << "fsh.count " << fs.fsh.count |
9810 | << " (not x86_FLOAT_STATE64_COUNT\n"; |
9811 | Print_x86_float_state_t(fs.ufs.fs64); |
9812 | } else { |
9813 | outs() << "\t fsh.flavor " << fs.fsh.flavor << " fsh.count " |
9814 | << fs.fsh.count << "\n"; |
9815 | } |
9816 | } else if (flavor == MachO::x86_EXCEPTION_STATE) { |
9817 | outs() << " flavor x86_EXCEPTION_STATE\n"; |
9818 | if (count == MachO::x86_EXCEPTION_STATE_COUNT) |
9819 | outs() << " count x86_EXCEPTION_STATE_COUNT\n"; |
9820 | else |
9821 | outs() << " count " << count |
9822 | << " (not x86_EXCEPTION_STATE_COUNT)\n"; |
9823 | struct MachO::x86_exception_state_t es; |
9824 | left = end - begin; |
9825 | if (left >= sizeof(MachO::x86_exception_state_t)) { |
9826 | memcpy(&es, begin, sizeof(MachO::x86_exception_state_t)); |
9827 | begin += sizeof(MachO::x86_exception_state_t); |
9828 | } else { |
9829 | memset(&es, '\0', sizeof(MachO::x86_exception_state_t)); |
9830 | memcpy(&es, begin, left); |
9831 | begin += left; |
9832 | } |
9833 | if (isLittleEndian != sys::IsLittleEndianHost) |
9834 | swapStruct(es); |
9835 | if (es.esh.flavor == MachO::x86_EXCEPTION_STATE64) { |
9836 | outs() << "\t esh.flavor x86_EXCEPTION_STATE64\n"; |
9837 | if (es.esh.count == MachO::x86_EXCEPTION_STATE64_COUNT) |
9838 | outs() << "\t esh.count x86_EXCEPTION_STATE64_COUNT\n"; |
9839 | else |
9840 | outs() << "\t esh.count " << es.esh.count |
9841 | << " (not x86_EXCEPTION_STATE64_COUNT\n"; |
9842 | Print_x86_exception_state_t(es.ues.es64); |
9843 | } else { |
9844 | outs() << "\t esh.flavor " << es.esh.flavor << " esh.count " |
9845 | << es.esh.count << "\n"; |
9846 | } |
9847 | } else if (flavor == MachO::x86_EXCEPTION_STATE64) { |
9848 | outs() << " flavor x86_EXCEPTION_STATE64\n"; |
9849 | if (count == MachO::x86_EXCEPTION_STATE64_COUNT) |
9850 | outs() << " count x86_EXCEPTION_STATE64_COUNT\n"; |
9851 | else |
9852 | outs() << " count " << count |
9853 | << " (not x86_EXCEPTION_STATE64_COUNT)\n"; |
9854 | struct MachO::x86_exception_state64_t es64; |
9855 | left = end - begin; |
9856 | if (left >= sizeof(MachO::x86_exception_state64_t)) { |
9857 | memcpy(&es64, begin, sizeof(MachO::x86_exception_state64_t)); |
9858 | begin += sizeof(MachO::x86_exception_state64_t); |
9859 | } else { |
9860 | memset(&es64, '\0', sizeof(MachO::x86_exception_state64_t)); |
9861 | memcpy(&es64, begin, left); |
9862 | begin += left; |
9863 | } |
9864 | if (isLittleEndian != sys::IsLittleEndianHost) |
9865 | swapStruct(es64); |
9866 | Print_x86_exception_state_t(es64); |
9867 | } else { |
9868 | outs() << " flavor " << flavor << " (unknown)\n"; |
9869 | outs() << " count " << count << "\n"; |
9870 | outs() << " state (unknown)\n"; |
9871 | begin += count * sizeof(uint32_t); |
9872 | } |
9873 | } |
9874 | } else if (cputype == MachO::CPU_TYPE_ARM) { |
9875 | while (begin < end) { |
9876 | if (end - begin > (ptrdiff_t)sizeof(uint32_t)) { |
9877 | memcpy((char *)&flavor, begin, sizeof(uint32_t)); |
9878 | begin += sizeof(uint32_t); |
9879 | } else { |
9880 | flavor = 0; |
9881 | begin = end; |
9882 | } |
9883 | if (isLittleEndian != sys::IsLittleEndianHost) |
9884 | sys::swapByteOrder(flavor); |
9885 | if (end - begin > (ptrdiff_t)sizeof(uint32_t)) { |
9886 | memcpy((char *)&count, begin, sizeof(uint32_t)); |
9887 | begin += sizeof(uint32_t); |
9888 | } else { |
9889 | count = 0; |
9890 | begin = end; |
9891 | } |
9892 | if (isLittleEndian != sys::IsLittleEndianHost) |
9893 | sys::swapByteOrder(count); |
9894 | if (flavor == MachO::ARM_THREAD_STATE) { |
9895 | outs() << " flavor ARM_THREAD_STATE\n"; |
9896 | if (count == MachO::ARM_THREAD_STATE_COUNT) |
9897 | outs() << " count ARM_THREAD_STATE_COUNT\n"; |
9898 | else |
9899 | outs() << " count " << count |
9900 | << " (not ARM_THREAD_STATE_COUNT)\n"; |
9901 | MachO::arm_thread_state32_t cpu32; |
9902 | left = end - begin; |
9903 | if (left >= sizeof(MachO::arm_thread_state32_t)) { |
9904 | memcpy(&cpu32, begin, sizeof(MachO::arm_thread_state32_t)); |
9905 | begin += sizeof(MachO::arm_thread_state32_t); |
9906 | } else { |
9907 | memset(&cpu32, '\0', sizeof(MachO::arm_thread_state32_t)); |
9908 | memcpy(&cpu32, begin, left); |
9909 | begin += left; |
9910 | } |
9911 | if (isLittleEndian != sys::IsLittleEndianHost) |
9912 | swapStruct(cpu32); |
9913 | Print_arm_thread_state32_t(cpu32); |
9914 | } else { |
9915 | outs() << " flavor " << flavor << " (unknown)\n"; |
9916 | outs() << " count " << count << "\n"; |
9917 | outs() << " state (unknown)\n"; |
9918 | begin += count * sizeof(uint32_t); |
9919 | } |
9920 | } |
9921 | } else if (cputype == MachO::CPU_TYPE_ARM64 || |
9922 | cputype == MachO::CPU_TYPE_ARM64_32) { |
9923 | while (begin < end) { |
9924 | if (end - begin > (ptrdiff_t)sizeof(uint32_t)) { |
9925 | memcpy((char *)&flavor, begin, sizeof(uint32_t)); |
9926 | begin += sizeof(uint32_t); |
9927 | } else { |
9928 | flavor = 0; |
9929 | begin = end; |
9930 | } |
9931 | if (isLittleEndian != sys::IsLittleEndianHost) |
9932 | sys::swapByteOrder(flavor); |
9933 | if (end - begin > (ptrdiff_t)sizeof(uint32_t)) { |
9934 | memcpy((char *)&count, begin, sizeof(uint32_t)); |
9935 | begin += sizeof(uint32_t); |
9936 | } else { |
9937 | count = 0; |
9938 | begin = end; |
9939 | } |
9940 | if (isLittleEndian != sys::IsLittleEndianHost) |
9941 | sys::swapByteOrder(count); |
9942 | if (flavor == MachO::ARM_THREAD_STATE64) { |
9943 | outs() << " flavor ARM_THREAD_STATE64\n"; |
9944 | if (count == MachO::ARM_THREAD_STATE64_COUNT) |
9945 | outs() << " count ARM_THREAD_STATE64_COUNT\n"; |
9946 | else |
9947 | outs() << " count " << count |
9948 | << " (not ARM_THREAD_STATE64_COUNT)\n"; |
9949 | MachO::arm_thread_state64_t cpu64; |
9950 | left = end - begin; |
9951 | if (left >= sizeof(MachO::arm_thread_state64_t)) { |
9952 | memcpy(&cpu64, begin, sizeof(MachO::arm_thread_state64_t)); |
9953 | begin += sizeof(MachO::arm_thread_state64_t); |
9954 | } else { |
9955 | memset(&cpu64, '\0', sizeof(MachO::arm_thread_state64_t)); |
9956 | memcpy(&cpu64, begin, left); |
9957 | begin += left; |
9958 | } |
9959 | if (isLittleEndian != sys::IsLittleEndianHost) |
9960 | swapStruct(cpu64); |
9961 | Print_arm_thread_state64_t(cpu64); |
9962 | } else { |
9963 | outs() << " flavor " << flavor << " (unknown)\n"; |
9964 | outs() << " count " << count << "\n"; |
9965 | outs() << " state (unknown)\n"; |
9966 | begin += count * sizeof(uint32_t); |
9967 | } |
9968 | } |
9969 | } else { |
9970 | while (begin < end) { |
9971 | if (end - begin > (ptrdiff_t)sizeof(uint32_t)) { |
9972 | memcpy((char *)&flavor, begin, sizeof(uint32_t)); |
9973 | begin += sizeof(uint32_t); |
9974 | } else { |
9975 | flavor = 0; |
9976 | begin = end; |
9977 | } |
9978 | if (isLittleEndian != sys::IsLittleEndianHost) |
9979 | sys::swapByteOrder(flavor); |
9980 | if (end - begin > (ptrdiff_t)sizeof(uint32_t)) { |
9981 | memcpy((char *)&count, begin, sizeof(uint32_t)); |
9982 | begin += sizeof(uint32_t); |
9983 | } else { |
9984 | count = 0; |
9985 | begin = end; |
9986 | } |
9987 | if (isLittleEndian != sys::IsLittleEndianHost) |
9988 | sys::swapByteOrder(count); |
9989 | outs() << " flavor " << flavor << "\n"; |
9990 | outs() << " count " << count << "\n"; |
9991 | outs() << " state (Unknown cputype/cpusubtype)\n"; |
9992 | begin += count * sizeof(uint32_t); |
9993 | } |
9994 | } |
9995 | } |
9996 | |
9997 | static void PrintDylibCommand(MachO::dylib_command dl, const char *Ptr) { |
9998 | if (dl.cmd == MachO::LC_ID_DYLIB) |
9999 | outs() << " cmd LC_ID_DYLIB\n"; |
10000 | else if (dl.cmd == MachO::LC_LOAD_DYLIB) |
10001 | outs() << " cmd LC_LOAD_DYLIB\n"; |
10002 | else if (dl.cmd == MachO::LC_LOAD_WEAK_DYLIB) |
10003 | outs() << " cmd LC_LOAD_WEAK_DYLIB\n"; |
10004 | else if (dl.cmd == MachO::LC_REEXPORT_DYLIB) |
10005 | outs() << " cmd LC_REEXPORT_DYLIB\n"; |
10006 | else if (dl.cmd == MachO::LC_LAZY_LOAD_DYLIB) |
10007 | outs() << " cmd LC_LAZY_LOAD_DYLIB\n"; |
10008 | else if (dl.cmd == MachO::LC_LOAD_UPWARD_DYLIB) |
10009 | outs() << " cmd LC_LOAD_UPWARD_DYLIB\n"; |
10010 | else |
10011 | outs() << " cmd " << dl.cmd << " (unknown)\n"; |
10012 | outs() << " cmdsize " << dl.cmdsize; |
10013 | if (dl.cmdsize < sizeof(struct MachO::dylib_command)) |
10014 | outs() << " Incorrect size\n"; |
10015 | else |
10016 | outs() << "\n"; |
10017 | if (dl.dylib.name < dl.cmdsize) { |
10018 | const char *P = (const char *)(Ptr) + dl.dylib.name; |
10019 | outs() << " name " << P << " (offset " << dl.dylib.name << ")\n"; |
10020 | } else { |
10021 | outs() << " name ?(bad offset " << dl.dylib.name << ")\n"; |
10022 | } |
10023 | outs() << " time stamp " << dl.dylib.timestamp << " "; |
10024 | time_t t = dl.dylib.timestamp; |
10025 | outs() << ctime(&t); |
10026 | outs() << " current version "; |
10027 | if (dl.dylib.current_version == 0xffffffff) |
10028 | outs() << "n/a\n"; |
10029 | else |
10030 | outs() << ((dl.dylib.current_version >> 16) & 0xffff) << "." |
10031 | << ((dl.dylib.current_version >> 8) & 0xff) << "." |
10032 | << (dl.dylib.current_version & 0xff) << "\n"; |
10033 | outs() << "compatibility version "; |
10034 | if (dl.dylib.compatibility_version == 0xffffffff) |
10035 | outs() << "n/a\n"; |
10036 | else |
10037 | outs() << ((dl.dylib.compatibility_version >> 16) & 0xffff) << "." |
10038 | << ((dl.dylib.compatibility_version >> 8) & 0xff) << "." |
10039 | << (dl.dylib.compatibility_version & 0xff) << "\n"; |
10040 | } |
10041 | |
10042 | static void PrintLinkEditDataCommand(MachO::linkedit_data_command ld, |
10043 | uint32_t object_size) { |
10044 | if (ld.cmd == MachO::LC_CODE_SIGNATURE) |
10045 | outs() << " cmd LC_CODE_SIGNATURE\n"; |
10046 | else if (ld.cmd == MachO::LC_SEGMENT_SPLIT_INFO) |
10047 | outs() << " cmd LC_SEGMENT_SPLIT_INFO\n"; |
10048 | else if (ld.cmd == MachO::LC_FUNCTION_STARTS) |
10049 | outs() << " cmd LC_FUNCTION_STARTS\n"; |
10050 | else if (ld.cmd == MachO::LC_DATA_IN_CODE) |
10051 | outs() << " cmd LC_DATA_IN_CODE\n"; |
10052 | else if (ld.cmd == MachO::LC_DYLIB_CODE_SIGN_DRS) |
10053 | outs() << " cmd LC_DYLIB_CODE_SIGN_DRS\n"; |
10054 | else if (ld.cmd == MachO::LC_LINKER_OPTIMIZATION_HINT) |
10055 | outs() << " cmd LC_LINKER_OPTIMIZATION_HINT\n"; |
10056 | else |
10057 | outs() << " cmd " << ld.cmd << " (?)\n"; |
10058 | outs() << " cmdsize " << ld.cmdsize; |
10059 | if (ld.cmdsize != sizeof(struct MachO::linkedit_data_command)) |
10060 | outs() << " Incorrect size\n"; |
10061 | else |
10062 | outs() << "\n"; |
10063 | outs() << " dataoff " << ld.dataoff; |
10064 | if (ld.dataoff > object_size) |
10065 | outs() << " (past end of file)\n"; |
10066 | else |
10067 | outs() << "\n"; |
10068 | outs() << " datasize " << ld.datasize; |
10069 | uint64_t big_size = ld.dataoff; |
10070 | big_size += ld.datasize; |
10071 | if (big_size > object_size) |
10072 | outs() << " (past end of file)\n"; |
10073 | else |
10074 | outs() << "\n"; |
10075 | } |
10076 | |
10077 | static void PrintLoadCommands(const MachOObjectFile *Obj, uint32_t filetype, |
10078 | uint32_t cputype, bool verbose) { |
10079 | StringRef Buf = Obj->getData(); |
10080 | unsigned Index = 0; |
10081 | for (const auto &Command : Obj->load_commands()) { |
10082 | outs() << "Load command " << Index++ << "\n"; |
10083 | if (Command.C.cmd == MachO::LC_SEGMENT) { |
10084 | MachO::segment_command SLC = Obj->getSegmentLoadCommand(Command); |
10085 | const char *sg_segname = SLC.segname; |
10086 | PrintSegmentCommand(SLC.cmd, SLC.cmdsize, SLC.segname, SLC.vmaddr, |
10087 | SLC.vmsize, SLC.fileoff, SLC.filesize, SLC.maxprot, |
10088 | SLC.initprot, SLC.nsects, SLC.flags, Buf.size(), |
10089 | verbose); |
10090 | for (unsigned j = 0; j < SLC.nsects; j++) { |
10091 | MachO::section S = Obj->getSection(Command, j); |
10092 | PrintSection(S.sectname, S.segname, S.addr, S.size, S.offset, S.align, |
10093 | S.reloff, S.nreloc, S.flags, S.reserved1, S.reserved2, |
10094 | SLC.cmd, sg_segname, filetype, Buf.size(), verbose); |
10095 | } |
10096 | } else if (Command.C.cmd == MachO::LC_SEGMENT_64) { |
10097 | MachO::segment_command_64 SLC_64 = Obj->getSegment64LoadCommand(Command); |
10098 | const char *sg_segname = SLC_64.segname; |
10099 | PrintSegmentCommand(SLC_64.cmd, SLC_64.cmdsize, SLC_64.segname, |
10100 | SLC_64.vmaddr, SLC_64.vmsize, SLC_64.fileoff, |
10101 | SLC_64.filesize, SLC_64.maxprot, SLC_64.initprot, |
10102 | SLC_64.nsects, SLC_64.flags, Buf.size(), verbose); |
10103 | for (unsigned j = 0; j < SLC_64.nsects; j++) { |
10104 | MachO::section_64 S_64 = Obj->getSection64(Command, j); |
10105 | PrintSection(S_64.sectname, S_64.segname, S_64.addr, S_64.size, |
10106 | S_64.offset, S_64.align, S_64.reloff, S_64.nreloc, |
10107 | S_64.flags, S_64.reserved1, S_64.reserved2, SLC_64.cmd, |
10108 | sg_segname, filetype, Buf.size(), verbose); |
10109 | } |
10110 | } else if (Command.C.cmd == MachO::LC_SYMTAB) { |
10111 | MachO::symtab_command Symtab = Obj->getSymtabLoadCommand(); |
10112 | PrintSymtabLoadCommand(Symtab, Obj->is64Bit(), Buf.size()); |
10113 | } else if (Command.C.cmd == MachO::LC_DYSYMTAB) { |
10114 | MachO::dysymtab_command Dysymtab = Obj->getDysymtabLoadCommand(); |
10115 | MachO::symtab_command Symtab = Obj->getSymtabLoadCommand(); |
10116 | PrintDysymtabLoadCommand(Dysymtab, Symtab.nsyms, Buf.size(), |
10117 | Obj->is64Bit()); |
10118 | } else if (Command.C.cmd == MachO::LC_DYLD_INFO || |
10119 | Command.C.cmd == MachO::LC_DYLD_INFO_ONLY) { |
10120 | MachO::dyld_info_command DyldInfo = Obj->getDyldInfoLoadCommand(Command); |
10121 | PrintDyldInfoLoadCommand(DyldInfo, Buf.size()); |
10122 | } else if (Command.C.cmd == MachO::LC_LOAD_DYLINKER || |
10123 | Command.C.cmd == MachO::LC_ID_DYLINKER || |
10124 | Command.C.cmd == MachO::LC_DYLD_ENVIRONMENT) { |
10125 | MachO::dylinker_command Dyld = Obj->getDylinkerCommand(Command); |
10126 | PrintDyldLoadCommand(Dyld, Command.Ptr); |
10127 | } else if (Command.C.cmd == MachO::LC_UUID) { |
10128 | MachO::uuid_command Uuid = Obj->getUuidCommand(Command); |
10129 | PrintUuidLoadCommand(Uuid); |
10130 | } else if (Command.C.cmd == MachO::LC_RPATH) { |
10131 | MachO::rpath_command Rpath = Obj->getRpathCommand(Command); |
10132 | PrintRpathLoadCommand(Rpath, Command.Ptr); |
10133 | } else if (Command.C.cmd == MachO::LC_VERSION_MIN_MACOSX || |
10134 | Command.C.cmd == MachO::LC_VERSION_MIN_IPHONEOS || |
10135 | Command.C.cmd == MachO::LC_VERSION_MIN_TVOS || |
10136 | Command.C.cmd == MachO::LC_VERSION_MIN_WATCHOS) { |
10137 | MachO::version_min_command Vd = Obj->getVersionMinLoadCommand(Command); |
10138 | PrintVersionMinLoadCommand(Vd); |
10139 | } else if (Command.C.cmd == MachO::LC_NOTE) { |
10140 | MachO::note_command Nt = Obj->getNoteLoadCommand(Command); |
10141 | PrintNoteLoadCommand(Nt); |
10142 | } else if (Command.C.cmd == MachO::LC_BUILD_VERSION) { |
10143 | MachO::build_version_command Bv = |
10144 | Obj->getBuildVersionLoadCommand(Command); |
10145 | PrintBuildVersionLoadCommand(Obj, Bv); |
10146 | } else if (Command.C.cmd == MachO::LC_SOURCE_VERSION) { |
10147 | MachO::source_version_command Sd = Obj->getSourceVersionCommand(Command); |
10148 | PrintSourceVersionCommand(Sd); |
10149 | } else if (Command.C.cmd == MachO::LC_MAIN) { |
10150 | MachO::entry_point_command Ep = Obj->getEntryPointCommand(Command); |
10151 | PrintEntryPointCommand(Ep); |
10152 | } else if (Command.C.cmd == MachO::LC_ENCRYPTION_INFO) { |
10153 | MachO::encryption_info_command Ei = |
10154 | Obj->getEncryptionInfoCommand(Command); |
10155 | PrintEncryptionInfoCommand(Ei, Buf.size()); |
10156 | } else if (Command.C.cmd == MachO::LC_ENCRYPTION_INFO_64) { |
10157 | MachO::encryption_info_command_64 Ei = |
10158 | Obj->getEncryptionInfoCommand64(Command); |
10159 | PrintEncryptionInfoCommand64(Ei, Buf.size()); |
10160 | } else if (Command.C.cmd == MachO::LC_LINKER_OPTION) { |
10161 | MachO::linker_option_command Lo = |
10162 | Obj->getLinkerOptionLoadCommand(Command); |
10163 | PrintLinkerOptionCommand(Lo, Command.Ptr); |
10164 | } else if (Command.C.cmd == MachO::LC_SUB_FRAMEWORK) { |
10165 | MachO::sub_framework_command Sf = Obj->getSubFrameworkCommand(Command); |
10166 | PrintSubFrameworkCommand(Sf, Command.Ptr); |
10167 | } else if (Command.C.cmd == MachO::LC_SUB_UMBRELLA) { |
10168 | MachO::sub_umbrella_command Sf = Obj->getSubUmbrellaCommand(Command); |
10169 | PrintSubUmbrellaCommand(Sf, Command.Ptr); |
10170 | } else if (Command.C.cmd == MachO::LC_SUB_LIBRARY) { |
10171 | MachO::sub_library_command Sl = Obj->getSubLibraryCommand(Command); |
10172 | PrintSubLibraryCommand(Sl, Command.Ptr); |
10173 | } else if (Command.C.cmd == MachO::LC_SUB_CLIENT) { |
10174 | MachO::sub_client_command Sc = Obj->getSubClientCommand(Command); |
10175 | PrintSubClientCommand(Sc, Command.Ptr); |
10176 | } else if (Command.C.cmd == MachO::LC_ROUTINES) { |
10177 | MachO::routines_command Rc = Obj->getRoutinesCommand(Command); |
10178 | PrintRoutinesCommand(Rc); |
10179 | } else if (Command.C.cmd == MachO::LC_ROUTINES_64) { |
10180 | MachO::routines_command_64 Rc = Obj->getRoutinesCommand64(Command); |
10181 | PrintRoutinesCommand64(Rc); |
10182 | } else if (Command.C.cmd == MachO::LC_THREAD || |
10183 | Command.C.cmd == MachO::LC_UNIXTHREAD) { |
10184 | MachO::thread_command Tc = Obj->getThreadCommand(Command); |
10185 | PrintThreadCommand(Tc, Command.Ptr, Obj->isLittleEndian(), cputype); |
10186 | } else if (Command.C.cmd == MachO::LC_LOAD_DYLIB || |
10187 | Command.C.cmd == MachO::LC_ID_DYLIB || |
10188 | Command.C.cmd == MachO::LC_LOAD_WEAK_DYLIB || |
10189 | Command.C.cmd == MachO::LC_REEXPORT_DYLIB || |
10190 | Command.C.cmd == MachO::LC_LAZY_LOAD_DYLIB || |
10191 | Command.C.cmd == MachO::LC_LOAD_UPWARD_DYLIB) { |
10192 | MachO::dylib_command Dl = Obj->getDylibIDLoadCommand(Command); |
10193 | PrintDylibCommand(Dl, Command.Ptr); |
10194 | } else if (Command.C.cmd == MachO::LC_CODE_SIGNATURE || |
10195 | Command.C.cmd == MachO::LC_SEGMENT_SPLIT_INFO || |
10196 | Command.C.cmd == MachO::LC_FUNCTION_STARTS || |
10197 | Command.C.cmd == MachO::LC_DATA_IN_CODE || |
10198 | Command.C.cmd == MachO::LC_DYLIB_CODE_SIGN_DRS || |
10199 | Command.C.cmd == MachO::LC_LINKER_OPTIMIZATION_HINT) { |
10200 | MachO::linkedit_data_command Ld = |
10201 | Obj->getLinkeditDataLoadCommand(Command); |
10202 | PrintLinkEditDataCommand(Ld, Buf.size()); |
10203 | } else { |
10204 | outs() << " cmd ?(" << format("0x%08" PRIx32, Command.C.cmd) |
10205 | << ")\n"; |
10206 | outs() << " cmdsize " << Command.C.cmdsize << "\n"; |
10207 | |
10208 | } |
10209 | |
10210 | } |
10211 | } |
10212 | |
10213 | static void PrintMachHeader(const MachOObjectFile *Obj, bool verbose) { |
10214 | if (Obj->is64Bit()) { |
10215 | MachO::mach_header_64 H_64; |
10216 | H_64 = Obj->getHeader64(); |
10217 | PrintMachHeader(H_64.magic, H_64.cputype, H_64.cpusubtype, H_64.filetype, |
10218 | H_64.ncmds, H_64.sizeofcmds, H_64.flags, verbose); |
10219 | } else { |
10220 | MachO::mach_header H; |
10221 | H = Obj->getHeader(); |
10222 | PrintMachHeader(H.magic, H.cputype, H.cpusubtype, H.filetype, H.ncmds, |
10223 | H.sizeofcmds, H.flags, verbose); |
10224 | } |
10225 | } |
10226 | |
10227 | void objdump::printMachOFileHeader(const object::ObjectFile *Obj) { |
10228 | const MachOObjectFile *file = dyn_cast<const MachOObjectFile>(Obj); |
10229 | PrintMachHeader(file, Verbose); |
10230 | } |
10231 | |
10232 | void objdump::printMachOLoadCommands(const object::ObjectFile *Obj) { |
10233 | const MachOObjectFile *file = dyn_cast<const MachOObjectFile>(Obj); |
10234 | uint32_t filetype = 0; |
10235 | uint32_t cputype = 0; |
10236 | if (file->is64Bit()) { |
10237 | MachO::mach_header_64 H_64; |
10238 | H_64 = file->getHeader64(); |
10239 | filetype = H_64.filetype; |
10240 | cputype = H_64.cputype; |
10241 | } else { |
10242 | MachO::mach_header H; |
10243 | H = file->getHeader(); |
10244 | filetype = H.filetype; |
10245 | cputype = H.cputype; |
10246 | } |
10247 | PrintLoadCommands(file, filetype, cputype, Verbose); |
10248 | } |
10249 | |
10250 | |
10251 | |
10252 | |
10253 | |
10254 | static void printMachOExportsTrie(const object::MachOObjectFile *Obj) { |
10255 | uint64_t BaseSegmentAddress = 0; |
10256 | for (const auto &Command : Obj->load_commands()) { |
10257 | if (Command.C.cmd == MachO::LC_SEGMENT) { |
10258 | MachO::segment_command Seg = Obj->getSegmentLoadCommand(Command); |
10259 | if (Seg.fileoff == 0 && Seg.filesize != 0) { |
10260 | BaseSegmentAddress = Seg.vmaddr; |
10261 | break; |
10262 | } |
10263 | } else if (Command.C.cmd == MachO::LC_SEGMENT_64) { |
10264 | MachO::segment_command_64 Seg = Obj->getSegment64LoadCommand(Command); |
10265 | if (Seg.fileoff == 0 && Seg.filesize != 0) { |
10266 | BaseSegmentAddress = Seg.vmaddr; |
10267 | break; |
10268 | } |
10269 | } |
10270 | } |
10271 | Error Err = Error::success(); |
10272 | for (const object::ExportEntry &Entry : Obj->exports(Err)) { |
10273 | uint64_t Flags = Entry.flags(); |
10274 | bool ReExport = (Flags & MachO::EXPORT_SYMBOL_FLAGS_REEXPORT); |
10275 | bool WeakDef = (Flags & MachO::EXPORT_SYMBOL_FLAGS_WEAK_DEFINITION); |
10276 | bool ThreadLocal = ((Flags & MachO::EXPORT_SYMBOL_FLAGS_KIND_MASK) == |
10277 | MachO::EXPORT_SYMBOL_FLAGS_KIND_THREAD_LOCAL); |
10278 | bool Abs = ((Flags & MachO::EXPORT_SYMBOL_FLAGS_KIND_MASK) == |
10279 | MachO::EXPORT_SYMBOL_FLAGS_KIND_ABSOLUTE); |
10280 | bool Resolver = (Flags & MachO::EXPORT_SYMBOL_FLAGS_STUB_AND_RESOLVER); |
10281 | if (ReExport) |
10282 | outs() << "[re-export] "; |
10283 | else |
10284 | outs() << format("0x%08llX ", |
10285 | Entry.address() + BaseSegmentAddress); |
10286 | outs() << Entry.name(); |
10287 | if (WeakDef || ThreadLocal || Resolver || Abs) { |
10288 | ListSeparator LS; |
10289 | outs() << " ["; |
10290 | if (WeakDef) |
10291 | outs() << LS << "weak_def"; |
10292 | if (ThreadLocal) |
10293 | outs() << LS << "per-thread"; |
10294 | if (Abs) |
10295 | outs() << LS << "absolute"; |
10296 | if (Resolver) |
10297 | outs() << LS << format("resolver=0x%08llX", Entry.other()); |
10298 | outs() << "]"; |
10299 | } |
10300 | if (ReExport) { |
10301 | StringRef DylibName = "unknown"; |
10302 | int Ordinal = Entry.other() - 1; |
10303 | Obj->getLibraryShortNameByIndex(Ordinal, DylibName); |
10304 | if (Entry.otherName().empty()) |
10305 | outs() << " (from " << DylibName << ")"; |
10306 | else |
10307 | outs() << " (" << Entry.otherName() << " from " << DylibName << ")"; |
10308 | } |
10309 | outs() << "\n"; |
10310 | } |
10311 | if (Err) |
10312 | reportError(std::move(Err), Obj->getFileName()); |
10313 | } |
10314 | |
10315 | |
10316 | |
10317 | |
10318 | |
10319 | static void printMachORebaseTable(object::MachOObjectFile *Obj) { |
10320 | outs() << "segment section address type\n"; |
10321 | Error Err = Error::success(); |
10322 | for (const object::MachORebaseEntry &Entry : Obj->rebaseTable(Err)) { |
10323 | StringRef SegmentName = Entry.segmentName(); |
10324 | StringRef SectionName = Entry.sectionName(); |
10325 | uint64_t Address = Entry.address(); |
10326 | |
10327 | |
10328 | outs() << format("%-8s %-18s 0x%08" PRIX64 " %s\n", |
10329 | SegmentName.str().c_str(), SectionName.str().c_str(), |
10330 | Address, Entry.typeName().str().c_str()); |
10331 | } |
10332 | if (Err) |
10333 | reportError(std::move(Err), Obj->getFileName()); |
10334 | } |
10335 | |
10336 | static StringRef ordinalName(const object::MachOObjectFile *Obj, int Ordinal) { |
10337 | StringRef DylibName; |
10338 | switch (Ordinal) { |
10339 | case MachO::BIND_SPECIAL_DYLIB_SELF: |
10340 | return "this-image"; |
10341 | case MachO::BIND_SPECIAL_DYLIB_MAIN_EXECUTABLE: |
10342 | return "main-executable"; |
10343 | case MachO::BIND_SPECIAL_DYLIB_FLAT_LOOKUP: |
10344 | return "flat-namespace"; |
10345 | default: |
10346 | if (Ordinal > 0) { |
10347 | std::error_code EC = |
10348 | Obj->getLibraryShortNameByIndex(Ordinal - 1, DylibName); |
10349 | if (EC) |
10350 | return "<<bad library ordinal>>"; |
10351 | return DylibName; |
10352 | } |
10353 | } |
10354 | return "<<unknown special ordinal>>"; |
10355 | } |
10356 | |
10357 | |
10358 | |
10359 | |
10360 | |
10361 | static void printMachOBindTable(object::MachOObjectFile *Obj) { |
10362 | |
10363 | outs() << "segment section address type " |
10364 | "addend dylib symbol\n"; |
10365 | Error Err = Error::success(); |
10366 | for (const object::MachOBindEntry &Entry : Obj->bindTable(Err)) { |
10367 | StringRef SegmentName = Entry.segmentName(); |
10368 | StringRef SectionName = Entry.sectionName(); |
10369 | uint64_t Address = Entry.address(); |
10370 | |
10371 | |
10372 | |
10373 | StringRef Attr; |
10374 | if (Entry.flags() & MachO::BIND_SYMBOL_FLAGS_WEAK_IMPORT) |
10375 | Attr = " (weak_import)"; |
10376 | outs() << left_justify(SegmentName, 8) << " " |
10377 | << left_justify(SectionName, 18) << " " |
10378 | << format_hex(Address, 10, true) << " " |
10379 | << left_justify(Entry.typeName(), 8) << " " |
10380 | << format_decimal(Entry.addend(), 8) << " " |
10381 | << left_justify(ordinalName(Obj, Entry.ordinal()), 16) << " " |
10382 | << Entry.symbolName() << Attr << "\n"; |
10383 | } |
10384 | if (Err) |
10385 | reportError(std::move(Err), Obj->getFileName()); |
10386 | } |
10387 | |
10388 | |
10389 | |
10390 | |
10391 | |
10392 | static void printMachOLazyBindTable(object::MachOObjectFile *Obj) { |
10393 | outs() << "segment section address " |
10394 | "dylib symbol\n"; |
10395 | Error Err = Error::success(); |
10396 | for (const object::MachOBindEntry &Entry : Obj->lazyBindTable(Err)) { |
10397 | StringRef SegmentName = Entry.segmentName(); |
10398 | StringRef SectionName = Entry.sectionName(); |
10399 | uint64_t Address = Entry.address(); |
10400 | |
10401 | |
10402 | |
10403 | outs() << left_justify(SegmentName, 8) << " " |
10404 | << left_justify(SectionName, 18) << " " |
10405 | << format_hex(Address, 10, true) << " " |
10406 | << left_justify(ordinalName(Obj, Entry.ordinal()), 16) << " " |
10407 | << Entry.symbolName() << "\n"; |
10408 | } |
10409 | if (Err) |
10410 | reportError(std::move(Err), Obj->getFileName()); |
10411 | } |
10412 | |
10413 | |
10414 | |
10415 | |
10416 | |
10417 | static void printMachOWeakBindTable(object::MachOObjectFile *Obj) { |
10418 | outs() << "segment section address " |
10419 | "type addend symbol\n"; |
10420 | Error Err = Error::success(); |
10421 | for (const object::MachOBindEntry &Entry : Obj->weakBindTable(Err)) { |
10422 | |
10423 | if (Entry.flags() & MachO::BIND_SYMBOL_FLAGS_NON_WEAK_DEFINITION) { |
10424 | outs() << " strong " |
10425 | << Entry.symbolName() << "\n"; |
10426 | continue; |
10427 | } |
10428 | StringRef SegmentName = Entry.segmentName(); |
10429 | StringRef SectionName = Entry.sectionName(); |
10430 | uint64_t Address = Entry.address(); |
10431 | |
10432 | |
10433 | |
10434 | outs() << left_justify(SegmentName, 8) << " " |
10435 | << left_justify(SectionName, 18) << " " |
10436 | << format_hex(Address, 10, true) << " " |
10437 | << left_justify(Entry.typeName(), 8) << " " |
10438 | << format_decimal(Entry.addend(), 8) << " " << Entry.symbolName() |
10439 | << "\n"; |
10440 | } |
10441 | if (Err) |
10442 | reportError(std::move(Err), Obj->getFileName()); |
10443 | } |
10444 | |
10445 | |
10446 | |
10447 | |
10448 | |
10449 | static const char *get_dyld_bind_info_symbolname(uint64_t ReferenceValue, |
10450 | struct DisassembleInfo *info) { |
10451 | if (info->bindtable == nullptr) { |
10452 | info->bindtable = std::make_unique<SymbolAddressMap>(); |
10453 | Error Err = Error::success(); |
10454 | for (const object::MachOBindEntry &Entry : info->O->bindTable(Err)) { |
10455 | uint64_t Address = Entry.address(); |
10456 | StringRef name = Entry.symbolName(); |
10457 | if (!name.empty()) |
10458 | (*info->bindtable)[Address] = name; |
10459 | } |
10460 | if (Err) |
10461 | reportError(std::move(Err), info->O->getFileName()); |
10462 | } |
10463 | auto name = info->bindtable->lookup(ReferenceValue); |
10464 | return !name.empty() ? name.data() : nullptr; |
10465 | } |
10466 | |
10467 | void objdump::printLazyBindTable(ObjectFile *o) { |
10468 | outs() << "\nLazy bind table:\n"; |
10469 | if (MachOObjectFile *MachO = dyn_cast<MachOObjectFile>(o)) |
10470 | printMachOLazyBindTable(MachO); |
10471 | else |
10472 | WithColor::error() |
10473 | << "This operation is only currently supported " |
10474 | "for Mach-O executable files.\n"; |
10475 | } |
10476 | |
10477 | void objdump::printWeakBindTable(ObjectFile *o) { |
10478 | outs() << "\nWeak bind table:\n"; |
10479 | if (MachOObjectFile *MachO = dyn_cast<MachOObjectFile>(o)) |
10480 | printMachOWeakBindTable(MachO); |
10481 | else |
10482 | WithColor::error() |
10483 | << "This operation is only currently supported " |
10484 | "for Mach-O executable files.\n"; |
10485 | } |
10486 | |
10487 | void objdump::printExportsTrie(const ObjectFile *o) { |
10488 | outs() << "\nExports trie:\n"; |
10489 | if (const MachOObjectFile *MachO = dyn_cast<MachOObjectFile>(o)) |
10490 | printMachOExportsTrie(MachO); |
10491 | else |
10492 | WithColor::error() |
10493 | << "This operation is only currently supported " |
10494 | "for Mach-O executable files.\n"; |
10495 | } |
10496 | |
10497 | void objdump::printRebaseTable(ObjectFile *o) { |
10498 | outs() << "\nRebase table:\n"; |
10499 | if (MachOObjectFile *MachO = dyn_cast<MachOObjectFile>(o)) |
10500 | printMachORebaseTable(MachO); |
10501 | else |
10502 | WithColor::error() |
10503 | << "This operation is only currently supported " |
10504 | "for Mach-O executable files.\n"; |
10505 | } |
10506 | |
10507 | void objdump::printBindTable(ObjectFile *o) { |
10508 | outs() << "\nBind table:\n"; |
10509 | if (MachOObjectFile *MachO = dyn_cast<MachOObjectFile>(o)) |
10510 | printMachOBindTable(MachO); |
10511 | else |
10512 | WithColor::error() |
10513 | << "This operation is only currently supported " |
10514 | "for Mach-O executable files.\n"; |
10515 | } |