| File: | src/gnu/usr.bin/clang/llvm-objdump/../../../llvm/llvm/include/llvm/Support/SwapByteOrder.h |
| Warning: | line 159, column 11 1st function call argument is an uninitialized value |
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| 1 | //===-- MachODump.cpp - Object file dumping utility for llvm --------------===// | |||
| 2 | // | |||
| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. | |||
| 4 | // See https://llvm.org/LICENSE.txt for license information. | |||
| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception | |||
| 6 | // | |||
| 7 | //===----------------------------------------------------------------------===// | |||
| 8 | // | |||
| 9 | // This file implements the MachO-specific dumper for llvm-objdump. | |||
| 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 | // Figure out the target triple. | |||
| 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 | // We've inferred a 32-bit ARM target from the object file. All MachO CPUs | |||
| 135 | // that support ARM are also capable of Thumb mode. | |||
| 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 | // Get the target specific parser. | |||
| 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 | } // namespace | |||
| 180 | ||||
| 181 | // Types for the storted data in code table that is built before disassembly | |||
| 182 | // and the predicate function to sort them. | |||
| 183 | typedef std::pair<uint64_t, DiceRef> DiceTableEntry; | |||
| 184 | typedef std::vector<DiceTableEntry> DiceTable; | |||
| 185 | typedef DiceTable::iterator dice_table_iterator; | |||
| 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 | } // namespace | |||
| 214 | #endif // defined(LLVM_HAVE_LIBXAR) | |||
| 215 | ||||
| 216 | // This is used to search for a data in code table entry for the PC being | |||
| 217 | // disassembled. The j parameter has the PC in j.first. A single data in code | |||
| 218 | // table entry can cover many bytes for each of its Kind's. So if the offset, | |||
| 219 | // aka the i.first value, of the data in code table entry plus its Length | |||
| 220 | // covers the PC being searched for this will return true. If not it will | |||
| 221 | // return false. | |||
| 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 | // We found a function starts segment, parse the addresses for later | |||
| 310 | // consumption. | |||
| 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 | // Check the data in code table here to see if this is data not an | |||
| 336 | // instruction to be disassembled. | |||
| 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 | // Target of a scattered relocation is an address. In the interest of | |||
| 360 | // generating pretty output, scan through the symbol table looking for a | |||
| 361 | // symbol that aligns with that address. If we find one, print it. | |||
| 362 | // Otherwise, we just print the hex address of the target. | |||
| 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 | // If we couldn't find a symbol that this relocation refers to, try | |||
| 376 | // to find a section beginning instead. | |||
| 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"llx", 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 | // Adjust for the fact that sections are 1-indexed. | |||
| 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 | // Determine any addends that should be displayed with the relocation. | |||
| 443 | // These require decoding the relocation type, which is triple-specific. | |||
| 444 | ||||
| 445 | // X86_64 has entirely custom relocation types. | |||
| 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 | // X86_64_RELOC_SUBTRACTOR must be followed by a relocation of type | |||
| 462 | // X86_64_RELOC_UNSIGNED. | |||
| 463 | // NOTE: Scattered relocations don't exist on x86_64. | |||
| 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 | // The X86_64_RELOC_UNSIGNED contains the minuend symbol; | |||
| 470 | // X86_64_RELOC_SUBTRACTOR contains the subtrahend. | |||
| 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 | // X86 and ARM share some relocation types in common. | |||
| 499 | } else if (Arch == Triple::x86 || Arch == Triple::arm || | |||
| 500 | Arch == Triple::ppc) { | |||
| 501 | // Generic relocation types... | |||
| 502 | switch (Type) { | |||
| 503 | case MachO::GENERIC_RELOC_PAIR: // prints no info | |||
| 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 | // X86 sect diff's must be followed by a relocation of type | |||
| 511 | // GENERIC_RELOC_PAIR. | |||
| 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 | // X86 sect diff's must be followed by a relocation of type | |||
| 533 | // GENERIC_RELOC_PAIR. | |||
| 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 { // ARM-specific relocations | |||
| 555 | switch (Type) { | |||
| 556 | case MachO::ARM_RELOC_HALF: | |||
| 557 | case MachO::ARM_RELOC_HALF_SECTDIFF: { | |||
| 558 | // Half relocations steal a bit from the length field to encode | |||
| 559 | // whether this is an upper16 or a lower16 relocation. | |||
| 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 | // ARM half relocs must be followed by a relocation of type | |||
| 573 | // ARM_RELOC_PAIR. | |||
| 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 | // NOTE: The half of the target virtual address is stashed in the | |||
| 580 | // address field of the secondary relocation, but we can't reverse | |||
| 581 | // engineer the constant offset from it without decoding the movw/movt | |||
| 582 | // instruction to find the other half in its immediate field. | |||
| 583 | ||||
| 584 | // ARM_RELOC_HALF_SECTDIFF encodes the second section in the | |||
| 585 | // symbol/section pointer of the follow-on relocation. | |||
| 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"llx", addr + j * stride) << " "; | |||
| 631 | else | |||
| 632 | outs() << format("0x%08" PRIx32"x", (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 | // scattered: address | |||
| 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 | // scattered: pcrel | |||
| 842 | if (r_pcrel) | |||
| 843 | outs() << "True "; | |||
| 844 | else | |||
| 845 | outs() << "False "; | |||
| 846 | ||||
| 847 | // scattered: length | |||
| 848 | PrintRLength(cputype, r_type, r_length, previous_arm_half); | |||
| 849 | ||||
| 850 | // scattered: extern & type | |||
| 851 | outs() << "n/a "; | |||
| 852 | PrintRType(cputype, r_type); | |||
| 853 | ||||
| 854 | // scattered: scattered & value | |||
| 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 | // scattered: address pcrel length extern type scattered value | |||
| 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 | // plain: address | |||
| 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 | // plain: pcrel | |||
| 900 | if (r_pcrel) | |||
| 901 | outs() << "True "; | |||
| 902 | else | |||
| 903 | outs() << "False "; | |||
| 904 | ||||
| 905 | // plain: length | |||
| 906 | PrintRLength(cputype, r_type, r_length, previous_arm_half); | |||
| 907 | ||||
| 908 | if (r_extern) { | |||
| 909 | // plain: extern & type & scattered | |||
| 910 | outs() << "True "; | |||
| 911 | PrintRType(cputype, r_type); | |||
| 912 | outs() << "False "; | |||
| 913 | ||||
| 914 | // plain: symbolnum/value | |||
| 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__null; | |||
| 921 | if (SymNameNext) | |||
| 922 | name = SymNameNext->data(); | |||
| 923 | if (name == NULL__null) | |||
| 924 | outs() << format("?(%d)\n", r_symbolnum); | |||
| 925 | else | |||
| 926 | outs() << name << "\n"; | |||
| 927 | } | |||
| 928 | } | |||
| 929 | else { | |||
| 930 | // plain: extern & type & scattered | |||
| 931 | outs() << "False "; | |||
| 932 | PrintRType(cputype, r_type); | |||
| 933 | outs() << "False "; | |||
| 934 | ||||
| 935 | // plain: symbolnum/value | |||
| 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 | // in this case, r_symbolnum is actually a 1-based section number | |||
| 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 | // plain: address pcrel length extern type scattered symbolnum/section | |||
| 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"llx", Addr) << "\n"; | |||
| 1077 | else | |||
| 1078 | outs() << format("%08" PRIx32"x", 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"x", 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"x", Kind); | |||
| 1116 | break; | |||
| 1117 | } | |||
| 1118 | } else | |||
| 1119 | outs() << format("0x%04" PRIx32"x", 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"llx", 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 | // Create a map of symbol addresses to symbol names. | |||
| 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 | // GuessSymbolName is passed the address of what might be a symbol and a | |||
| 1267 | // pointer to the SymbolAddressMap. It returns the name of a symbol | |||
| 1268 | // with that address or nullptr if no symbol is found with that address. | |||
| 1269 | static const char *GuessSymbolName(uint64_t value, SymbolAddressMap *AddrMap) { | |||
| 1270 | const char *SymbolName = nullptr; | |||
| 1271 | // A DenseMap can't lookup up some values. | |||
| 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"llx", sect_addr + i) << " "; | |||
| 1294 | else | |||
| 1295 | outs() << format("%08" PRIx64"llx", 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"x", 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"llx", sect_addr + i) << " "; | |||
| 1327 | else | |||
| 1328 | outs() << format("%08" PRIx64"llx", 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"x", l0) << " " << format("0x%08" PRIx32"x", l1); | |||
| 1345 | uint32_t Hi, Lo; | |||
| 1346 | Hi = (O->isLittleEndian()) ? l1 : l0; | |||
| 1347 | Lo = (O->isLittleEndian()) ? l0 : l1; | |||
| 1348 | ||||
| 1349 | // Hi is the high word, so this is equivalent to if(isfinite(d)) | |||
| 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"llx", sect_addr + i) << " "; | |||
| 1371 | else | |||
| 1372 | outs() << format("%08" PRIx64"llx", 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"x", l0) << " "; | |||
| 1391 | outs() << format("0x%08" PRIx32"x", l1) << " "; | |||
| 1392 | outs() << format("0x%08" PRIx32"x", l2) << " "; | |||
| 1393 | outs() << format("0x%08" PRIx32"x", 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"llx", sect_addr + i) << " "; | |||
| 1403 | else | |||
| 1404 | outs() << format("%08" PRIx64"llx", 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 | // Collect the literal sections in this Mach-O file. | |||
| 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 | // Set the size of the literal pointer. | |||
| 1446 | uint32_t lp_size = O->is64Bit() ? 8 : 4; | |||
| ||||
| 1447 | ||||
| 1448 | // Collect the external relocation symbols for the literal pointers. | |||
| 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 | // Dump each literal pointer. | |||
| 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"llx", sect_addr + i) << " "; | |||
| 1470 | else | |||
| 1471 | outs() << format("%08" PRIx64"llx", 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 | // First look for an external relocation entry for this literal pointer. | |||
| 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 | // For local references see what the section the literal pointer points to. | |||
| 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"llx", 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 | // Collect the external relocation symbols for the pointers. | |||
| 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"llx", 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"llx", pointer_value); | |||
| 1625 | p = pointer_value; | |||
| 1626 | } else { | |||
| 1627 | outs() << format("0x%08" PRIx64"llx", 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"x", pointer_value); | |||
| 1633 | p = pointer_value; | |||
| 1634 | } | |||
| 1635 | if (verbose) { | |||
| 1636 | // First look for an external relocation entry for this pointer. | |||
| 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"llx", addr) << "\t"; | |||
| 1661 | else | |||
| 1662 | outs() << format("%08" PRIx64"llx", 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"x", (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"llx", addr) << "\t"; | |||
| 1674 | else | |||
| 1675 | outs() << format("%08" PRIx64"llx", 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"x", 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"x", (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"x", 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 | // checkMachOAndArchFlags() checks to see if the ObjectFile is a Mach-O file | |||
| 1853 | // and if it is and there is a list of architecture flags is specified then | |||
| 1854 | // check to make sure this Mach-O file is one of those architectures or all | |||
| 1855 | // architectures were specified. If not then an error is generated and this | |||
| 1856 | // routine returns false. Else it returns true. | |||
| 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 | // ProcessMachO() is passed a single opened Mach-O file, which may be an | |||
| 1888 | // archive member and or in a slice of a universal file. It prints the | |||
| 1889 | // the file name and header info and then processes it according to the | |||
| 1890 | // command line options. | |||
| 1891 | static void ProcessMachO(StringRef Name, MachOObjectFile *MachOOF, | |||
| 1892 | StringRef ArchiveMemberName = StringRef(), | |||
| 1893 | StringRef ArchitectureName = StringRef()) { | |||
| 1894 | // If we are doing some processing here on the Mach-O file print the header | |||
| 1895 | // info. And don't print it otherwise like in the case of printing the | |||
| 1896 | // UniversalHeaders or ArchiveHeaders. | |||
| 1897 | if (Disassemble || Relocations || PrivateHeaders || ExportsTrie || Rebase || | |||
| 1898 | Bind || SymbolTable || LazyBind || WeakBind || IndirectSymbols || | |||
| 1899 | DataInCode || FunctionStarts || LinkOptHints || DylibsUsed || DylibId || | |||
| 1900 | Rpaths || ObjcMetaData || (!FilterSections.empty())) { | |||
| 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 | // To use the report_error() form with an ArchiveName and FileName set | |||
| 1911 | // these up based on what is passed for Name and ArchiveMemberName. | |||
| 1912 | StringRef ArchiveName; | |||
| 1913 | StringRef FileName; | |||
| 1914 | if (!ArchiveMemberName.empty()) { | |||
| 1915 | ArchiveName = Name; | |||
| 1916 | FileName = ArchiveMemberName; | |||
| 1917 | } else { | |||
| 1918 | ArchiveName = StringRef(); | |||
| 1919 | FileName = Name; | |||
| 1920 | } | |||
| 1921 | ||||
| 1922 | // If we need the symbol table to do the operation then check it here to | |||
| 1923 | // produce a good error message as to where the Mach-O file comes from in | |||
| 1924 | // the error message. | |||
| 1925 | if (Disassemble || IndirectSymbols || !FilterSections.empty() || UnwindInfo) | |||
| 1926 | if (Error Err = MachOOF->checkSymbolTable()) | |||
| 1927 | reportError(std::move(Err), FileName, ArchiveName, ArchitectureName); | |||
| 1928 | ||||
| 1929 | if (DisassembleAll) { | |||
| 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) | |||
| 1954 | PrintDataInCodeTable(MachOOF, Verbose); | |||
| 1955 | if (FunctionStarts) | |||
| 1956 | PrintFunctionStarts(MachOOF); | |||
| 1957 | if (LinkOptHints) | |||
| 1958 | PrintLinkOptHints(MachOOF); | |||
| 1959 | if (Relocations) | |||
| 1960 | PrintRelocations(MachOOF, Verbose); | |||
| 1961 | if (SectionHeaders) | |||
| 1962 | printSectionHeaders(MachOOF); | |||
| 1963 | if (SectionContents) | |||
| 1964 | printSectionContents(MachOOF); | |||
| 1965 | if (!FilterSections.empty()) | |||
| 1966 | DumpSectionContents(FileName, MachOOF, Verbose); | |||
| 1967 | if (InfoPlist) | |||
| 1968 | DumpInfoPlistSectionContents(FileName, MachOOF); | |||
| 1969 | if (DylibsUsed) | |||
| 1970 | PrintDylibs(MachOOF, false); | |||
| 1971 | if (DylibId) | |||
| 1972 | PrintDylibs(MachOOF, true); | |||
| 1973 | if (SymbolTable) | |||
| 1974 | printSymbolTable(MachOOF, ArchiveName, ArchitectureName); | |||
| 1975 | if (UnwindInfo) | |||
| 1976 | printMachOUnwindInfo(MachOOF); | |||
| 1977 | if (PrivateHeaders) { | |||
| 1978 | printMachOFileHeader(MachOOF); | |||
| 1979 | printMachOLoadCommands(MachOOF); | |||
| 1980 | } | |||
| 1981 | if (FirstPrivateHeader) | |||
| 1982 | printMachOFileHeader(MachOOF); | |||
| 1983 | if (ObjcMetaData) | |||
| 1984 | printObjcMetaData(MachOOF, Verbose); | |||
| 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 | // Dump the complete DWARF structure. | |||
| 2001 | DIDumpOptions DumpOpts; | |||
| 2002 | DumpOpts.DumpType = DwarfDumpType; | |||
| 2003 | DICtx->dump(outs(), DumpOpts); | |||
| 2004 | } | |||
| 2005 | } | |||
| 2006 | ||||
| 2007 | // printUnknownCPUType() helps print_fat_headers for unknown CPU's. | |||
| 2008 | static void printUnknownCPUType(uint32_t cputype, uint32_t cpusubtype) { | |||
| 2009 | outs() << " cputype (" << cputype << ")\n"; | |||
| 2010 | outs() << " cpusubtype (" << cpusubtype << ")\n"; | |||
| 2011 | } | |||
| 2012 | ||||
| 2013 | // printCPUType() helps print_fat_headers by printing the cputype and | |||
| 2014 | // pusubtype (symbolically for the one's it knows about). | |||
| 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 // UB->getMagic() == MachO::FAT_MAGIC_64 | |||
| 2137 | outs() << "fat_magic FAT_MAGIC_64\n"; | |||
| 2138 | } else | |||
| 2139 | outs() << "fat_magic " << format("0x%" PRIx32"x", 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"x", | |||
| 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 | // FIXME: this first dash, "-", is for (Mode & S_IFMT) == S_IFREG. | |||
| 2213 | // But there is nothing in sys::fs::perms for S_IFMT or S_IFREG. | |||
| 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"lld" " ", | |||
| 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 | // Since cime(3) returns a 26 character string of the form: | |||
| 2245 | // "Sun Sep 16 01:03:52 1973\n\0" | |||
| 2246 | // just print 24 characters. | |||
| 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 | // Check for -arch all and verifiy the -arch flags are valid. | |||
| 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 | // ParseInputMachO() parses the named Mach-O file in Filename and handles the | |||
| 2304 | // -arch flags selecting just those slices as specified by them and also parses | |||
| 2305 | // archive files. Then for each individual Mach-O file ProcessMachO() is | |||
| 2306 | // called to process the file based on the command line options. | |||
| 2307 | void objdump::parseInputMachO(StringRef Filename) { | |||
| 2308 | if (!ValidateArchFlags()) | |||
| 2309 | return; | |||
| 2310 | ||||
| 2311 | // Attempt to open the binary. | |||
| 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)) { | |||
| 2323 | outs() << "Archive : " << Filename << "\n"; | |||
| 2324 | if (ArchiveHeaders) | |||
| 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())) { | |||
| 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")__builtin_unreachable(); | |||
| 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 | // If we have a list of architecture flags specified dump only those. | |||
| 2375 | if (!ArchAll && !ArchFlags.empty()) { | |||
| 2376 | // Look for a slice in the universal binary that matches each ArchFlag. | |||
| 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 | // No architecture flags were specified so if this contains a slice that | |||
| 2445 | // matches the host architecture dump only that. | |||
| 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 | // Either all architectures have been specified or none have been specified | |||
| 2497 | // and this does not contain the host architecture so dump all the slices. | |||
| 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 | // The block of info used by the Symbolizer call backs. | |||
| 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 | } // namespace | |||
| 2572 | ||||
| 2573 | // SymbolizerGetOpInfo() is the operand information call back function. | |||
| 2574 | // This is called to get the symbolic information for operand(s) of an | |||
| 2575 | // instruction when it is being done. This routine does this from | |||
| 2576 | // the relocation information, symbol table, etc. That block of information | |||
| 2577 | // is a pointer to the struct DisassembleInfo that was passed when the | |||
| 2578 | // disassembler context was created and passed to back to here when | |||
| 2579 | // called back by the disassembler for instruction operands that could have | |||
| 2580 | // relocation information. The address of the instruction containing operand is | |||
| 2581 | // at the Pc parameter. The immediate value the operand has is passed in | |||
| 2582 | // op_info->Value and is at Offset past the start of the instruction and has a | |||
| 2583 | // byte Size of 1, 2 or 4. The symbolc information is returned in TagBuf is the | |||
| 2584 | // LLVMOpInfo1 struct defined in the header "llvm-c/Disassembler.h" as symbol | |||
| 2585 | // names and addends of the symbolic expression to add for the operand. The | |||
| 2586 | // value of TagType is currently 1 (for the LLVMOpInfo1 struct). If symbolic | |||
| 2587 | // information is returned then this function returns 1 else it returns 0. | |||
| 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 | // Make sure all fields returned are zero if we don't set them. | |||
| 2595 | memset((void *)op_info, '\0', sizeof(struct LLVMOpInfo1)); | |||
| 2596 | op_info->Value = value; | |||
| 2597 | ||||
| 2598 | // If the TagType is not the value 1 which it code knows about or if no | |||
| 2599 | // verbose symbolic information is wanted then just return 0, indicating no | |||
| 2600 | // information is being returned. | |||
| 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 | // TODO: | |||
| 2610 | // Search the external relocation entries of a fully linked image | |||
| 2611 | // (if any) for an entry that matches this segment offset. | |||
| 2612 | // uint32_t seg_offset = (Pc + Offset); | |||
| 2613 | return 0; | |||
| 2614 | } | |||
| 2615 | // In MH_OBJECT filetypes search the section's relocation entries (if any) | |||
| 2616 | // for an entry for this section offset. | |||
| 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 | // For i386 extern relocation entries the value in the instruction is | |||
| 2662 | // the offset from the symbol, and value is already set in op_info->Value. | |||
| 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 | // For non MH_OBJECT types, like MH_KEXT_BUNDLE, Search the external | |||
| 2689 | // relocation entries of a linked image (if any) for an entry that matches | |||
| 2690 | // this segment offset. | |||
| 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 | // external relocation entries should always be external. | |||
| 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 | // The Value passed in will be adjusted by the Pc if the instruction | |||
| 2715 | // adds the Pc. But for x86_64 external relocation entries the Value | |||
| 2716 | // is the offset from the external symbol. | |||
| 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 | // In MH_OBJECT filetypes search the section's relocation entries (if any) | |||
| 2728 | // for an entry for this section offset. | |||
| 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 | // NOTE: Scattered relocations don't exist on x86_64. | |||
| 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 | // The Value passed in will be adjusted by the Pc if the instruction | |||
| 2753 | // adds the Pc. But for x86_64 external relocation entries the Value | |||
| 2754 | // is the offset from the external symbol. | |||
| 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 | // TODO: add the VariantKinds to op_info->VariantKind for relocation types | |||
| 2776 | // like: X86_64_RELOC_TLV, X86_64_RELOC_GOT_LOAD and X86_64_RELOC_GOT. | |||
| 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 | // TODO: | |||
| 2788 | // Search the external relocation entries of a fully linked image | |||
| 2789 | // (if any) for an entry that matches this segment offset. | |||
| 2790 | // uint32_t seg_offset = (Pc + Offset); | |||
| 2791 | return 0; | |||
| 2792 | } | |||
| 2793 | // In MH_OBJECT filetypes search the section's relocation entries (if any) | |||
| 2794 | // for an entry for this section offset. | |||
| 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_HI161; | |||
| 2850 | } else { | |||
| 2851 | op_info->Value = other_half << 16 | value; | |||
| 2852 | op_info->VariantKind = LLVMDisassembler_VariantKind_ARM_LO162; | |||
| 2853 | } | |||
| 2854 | break; | |||
| 2855 | default: | |||
| 2856 | break; | |||
| 2857 | } | |||
| 2858 | return 1; | |||
| 2859 | } | |||
| 2860 | // If we have a branch that is not an external relocation entry then | |||
| 2861 | // return 0 so the code in tryAddingSymbolicOperand() can use the | |||
| 2862 | // SymbolLookUp call back with the branch target address to look up the | |||
| 2863 | // symbol and possibility add an annotation for a symbol stub. | |||
| 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_HI161; | |||
| 2885 | else | |||
| 2886 | op_info->VariantKind = LLVMDisassembler_VariantKind_ARM_LO162; | |||
| 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_HI161; | |||
| 2909 | else | |||
| 2910 | op_info->VariantKind = LLVMDisassembler_VariantKind_ARM_LO162; | |||
| 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 | // TODO: | |||
| 2925 | // Search the external relocation entries of a fully linked image | |||
| 2926 | // (if any) for an entry that matches this segment offset. | |||
| 2927 | // uint64_t seg_offset = (Pc + Offset); | |||
| 2928 | return 0; | |||
| 2929 | } | |||
| 2930 | // In MH_OBJECT filetypes search the section's relocation entries (if any) | |||
| 2931 | // for an entry for this section offset. | |||
| 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 | // NOTE: Scattered relocations don't exist on arm64. | |||
| 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 | /* @page */ | |||
| 2967 | op_info->VariantKind = LLVMDisassembler_VariantKind_ARM64_PAGE1; | |||
| 2968 | break; | |||
| 2969 | case MachO::ARM64_RELOC_PAGEOFF12: | |||
| 2970 | /* @pageoff */ | |||
| 2971 | op_info->VariantKind = LLVMDisassembler_VariantKind_ARM64_PAGEOFF2; | |||
| 2972 | break; | |||
| 2973 | case MachO::ARM64_RELOC_GOT_LOAD_PAGE21: | |||
| 2974 | /* @gotpage */ | |||
| 2975 | op_info->VariantKind = LLVMDisassembler_VariantKind_ARM64_GOTPAGE3; | |||
| 2976 | break; | |||
| 2977 | case MachO::ARM64_RELOC_GOT_LOAD_PAGEOFF12: | |||
| 2978 | /* @gotpageoff */ | |||
| 2979 | op_info->VariantKind = LLVMDisassembler_VariantKind_ARM64_GOTPAGEOFF4; | |||
| 2980 | break; | |||
| 2981 | case MachO::ARM64_RELOC_TLVP_LOAD_PAGE21: | |||
| 2982 | /* @tvlppage is not implemented in llvm-mc */ | |||
| 2983 | op_info->VariantKind = LLVMDisassembler_VariantKind_ARM64_TLVP5; | |||
| 2984 | break; | |||
| 2985 | case MachO::ARM64_RELOC_TLVP_LOAD_PAGEOFF12: | |||
| 2986 | /* @tvlppageoff is not implemented in llvm-mc */ | |||
| 2987 | op_info->VariantKind = LLVMDisassembler_VariantKind_ARM64_TLVOFF6; | |||
| 2988 | break; | |||
| 2989 | default: | |||
| 2990 | case MachO::ARM64_RELOC_BRANCH26: | |||
| 2991 | op_info->VariantKind = LLVMDisassembler_VariantKind_None0; | |||
| 2992 | break; | |||
| 2993 | } | |||
| 2994 | return 1; | |||
| 2995 | } | |||
| 2996 | return 0; | |||
| 2997 | } | |||
| 2998 | ||||
| 2999 | // GuessCstringPointer is passed the address of what might be a pointer to a | |||
| 3000 | // literal string in a cstring section. If that address is in a cstring section | |||
| 3001 | // it returns a pointer to that string. Else it returns nullptr. | |||
| 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 | // GuessIndirectSymbol returns the name of the indirect symbol for the | |||
| 3053 | // ReferenceValue passed in or nullptr. This is used when ReferenceValue maybe | |||
| 3054 | // an address of a symbol stub or a lazy or non-lazy pointer to associate the | |||
| 3055 | // symbol name being referenced by the stub or pointer. | |||
| 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 | // method_reference() is called passing it the ReferenceName that might be | |||
| 3129 | // a reference it to an Objective-C method call. If so then it allocates and | |||
| 3130 | // assembles a method call string with the values last seen and saved in | |||
| 3131 | // the DisassembleInfo's class_name and selector_name fields. This is saved | |||
| 3132 | // into the method field of the info and any previous string is free'ed. | |||
| 3133 | // Then the class_name field in the info is set to nullptr. The method call | |||
| 3134 | // string is set into ReferenceName and ReferenceType is set to | |||
| 3135 | // LLVMDisassembler_ReferenceType_Out_Objc_Message. If this not a method call | |||
| 3136 | // then both ReferenceType and ReferenceName are left unchanged. | |||
| 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_Message5; | |||
| 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_Message5; | |||
| 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_Message5; | |||
| 3192 | } | |||
| 3193 | info->class_name = nullptr; | |||
| 3194 | } | |||
| 3195 | } | |||
| 3196 | } | |||
| 3197 | } | |||
| 3198 | ||||
| 3199 | // GuessPointerPointer() is passed the address of what might be a pointer to | |||
| 3200 | // a reference to an Objective-C class, selector, message ref or cfstring. | |||
| 3201 | // If so the value of the pointer is returned and one of the booleans are set | |||
| 3202 | // to true. If not zero is returned and all the booleans are set to false. | |||
| 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 | // TODO: Look for LC_SEGMENT for 32-bit Mach-O files. | |||
| 3256 | } | |||
| 3257 | return 0; | |||
| 3258 | } | |||
| 3259 | ||||
| 3260 | // get_pointer_64 returns a pointer to the bytes in the object file at the | |||
| 3261 | // Address from a section in the Mach-O file. And indirectly returns the | |||
| 3262 | // offset into the section, number of bytes left in the section past the offset | |||
| 3263 | // and which section is was being referenced. If the Address is not in a | |||
| 3264 | // section nullptr is returned. | |||
| 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 | // get_symbol_64() returns the name of a symbol (or nullptr) and the address of | |||
| 3311 | // the symbol indirectly through n_value. Based on the relocation information | |||
| 3312 | // for the specified section offset in the specified section reference. | |||
| 3313 | // If no relocation information is found and a non-zero ReferenceValue for the | |||
| 3314 | // symbol is passed, look up that address in the info's AddrMap. | |||
| 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 | // See if there is an external relocation entry at the sect_offset. | |||
| 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 | // If there is an external relocation entry for a symbol in this section | |||
| 3345 | // at this section_offset then use that symbol's value for the n_value | |||
| 3346 | // and return its name. | |||
| 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 | // TODO: For fully linked images, look through the external relocation | |||
| 3358 | // entries off the dynamic symtab command. For these the r_offset is from the | |||
| 3359 | // start of the first writeable segment in the Mach-O file. So the offset | |||
| 3360 | // to this section from that segment is passed to this routine by the caller, | |||
| 3361 | // as the database_offset. Which is the difference of the section's starting | |||
| 3362 | // address and the first writable segment. | |||
| 3363 | // | |||
| 3364 | // NOTE: need add passing the database_offset to this routine. | |||
| 3365 | ||||
| 3366 | // We did not find an external relocation entry so look up the ReferenceValue | |||
| 3367 | // as an address of a symbol and if found return that symbol's name. | |||
| 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 | // These are structs in the Objective-C meta data and read to produce the | |||
| 3383 | // comments for disassembly. While these are part of the ABI they are no | |||
| 3384 | // public defintions. So the are here not in include/llvm/BinaryFormat/MachO.h | |||
| 3385 | // . | |||
| 3386 | ||||
| 3387 | // The cfstring object in a 64-bit Mach-O file. | |||
| 3388 | struct cfstring64_t { | |||
| 3389 | uint64_t isa; // class64_t * (64-bit pointer) | |||
| 3390 | uint64_t flags; // flag bits | |||
| 3391 | uint64_t characters; // char * (64-bit pointer) | |||
| 3392 | uint64_t length; // number of non-NULL characters in above | |||
| 3393 | }; | |||
| 3394 | ||||
| 3395 | // The class object in a 64-bit Mach-O file. | |||
| 3396 | struct class64_t { | |||
| 3397 | uint64_t isa; // class64_t * (64-bit pointer) | |||
| 3398 | uint64_t superclass; // class64_t * (64-bit pointer) | |||
| 3399 | uint64_t cache; // Cache (64-bit pointer) | |||
| 3400 | uint64_t vtable; // IMP * (64-bit pointer) | |||
| 3401 | uint64_t data; // class_ro64_t * (64-bit pointer) | |||
| 3402 | }; | |||
| 3403 | ||||
| 3404 | struct class32_t { | |||
| 3405 | uint32_t isa; /* class32_t * (32-bit pointer) */ | |||
| 3406 | uint32_t superclass; /* class32_t * (32-bit pointer) */ | |||
| 3407 | uint32_t cache; /* Cache (32-bit pointer) */ | |||
| 3408 | uint32_t vtable; /* IMP * (32-bit pointer) */ | |||
| 3409 | uint32_t data; /* class_ro32_t * (32-bit pointer) */ | |||
| 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; // const uint8_t * (64-bit pointer) | |||
| 3418 | uint64_t name; // const char * (64-bit pointer) | |||
| 3419 | uint64_t baseMethods; // const method_list_t * (64-bit pointer) | |||
| 3420 | uint64_t baseProtocols; // const protocol_list_t * (64-bit pointer) | |||
| 3421 | uint64_t ivars; // const ivar_list_t * (64-bit pointer) | |||
| 3422 | uint64_t weakIvarLayout; // const uint8_t * (64-bit pointer) | |||
| 3423 | uint64_t baseProperties; // const struct objc_property_list (64-bit pointer) | |||
| 3424 | }; | |||
| 3425 | ||||
| 3426 | struct class_ro32_t { | |||
| 3427 | uint32_t flags; | |||
| 3428 | uint32_t instanceStart; | |||
| 3429 | uint32_t instanceSize; | |||
| 3430 | uint32_t ivarLayout; /* const uint8_t * (32-bit pointer) */ | |||
| 3431 | uint32_t name; /* const char * (32-bit pointer) */ | |||
| 3432 | uint32_t baseMethods; /* const method_list_t * (32-bit pointer) */ | |||
| 3433 | uint32_t baseProtocols; /* const protocol_list_t * (32-bit pointer) */ | |||
| 3434 | uint32_t ivars; /* const ivar_list_t * (32-bit pointer) */ | |||
| 3435 | uint32_t weakIvarLayout; /* const uint8_t * (32-bit pointer) */ | |||
| 3436 | uint32_t baseProperties; /* const struct objc_property_list * | |||
| 3437 | (32-bit pointer) */ | |||
| 3438 | }; | |||
| 3439 | ||||
| 3440 | /* Values for class_ro{64,32}_t->flags */ | |||
| 3441 | #define RO_META(1 << 0) (1 << 0) | |||
| 3442 | #define RO_ROOT(1 << 1) (1 << 1) | |||
| 3443 | #define RO_HAS_CXX_STRUCTORS(1 << 2) (1 << 2) | |||
| 3444 | ||||
| 3445 | struct method_list64_t { | |||
| 3446 | uint32_t entsize; | |||
| 3447 | uint32_t count; | |||
| 3448 | /* struct method64_t first; These structures follow inline */ | |||
| 3449 | }; | |||
| 3450 | ||||
| 3451 | struct method_list32_t { | |||
| 3452 | uint32_t entsize; | |||
| 3453 | uint32_t count; | |||
| 3454 | /* struct method32_t first; These structures follow inline */ | |||
| 3455 | }; | |||
| 3456 | ||||
| 3457 | struct method64_t { | |||
| 3458 | uint64_t name; /* SEL (64-bit pointer) */ | |||
| 3459 | uint64_t types; /* const char * (64-bit pointer) */ | |||
| 3460 | uint64_t imp; /* IMP (64-bit pointer) */ | |||
| 3461 | }; | |||
| 3462 | ||||
| 3463 | struct method32_t { | |||
| 3464 | uint32_t name; /* SEL (32-bit pointer) */ | |||
| 3465 | uint32_t types; /* const char * (32-bit pointer) */ | |||
| 3466 | uint32_t imp; /* IMP (32-bit pointer) */ | |||
| 3467 | }; | |||
| 3468 | ||||
| 3469 | struct protocol_list64_t { | |||
| 3470 | uint64_t count; /* uintptr_t (a 64-bit value) */ | |||
| 3471 | /* struct protocol64_t * list[0]; These pointers follow inline */ | |||
| 3472 | }; | |||
| 3473 | ||||
| 3474 | struct protocol_list32_t { | |||
| 3475 | uint32_t count; /* uintptr_t (a 32-bit value) */ | |||
| 3476 | /* struct protocol32_t * list[0]; These pointers follow inline */ | |||
| 3477 | }; | |||
| 3478 | ||||
| 3479 | struct protocol64_t { | |||
| 3480 | uint64_t isa; /* id * (64-bit pointer) */ | |||
| 3481 | uint64_t name; /* const char * (64-bit pointer) */ | |||
| 3482 | uint64_t protocols; /* struct protocol_list64_t * | |||
| 3483 | (64-bit pointer) */ | |||
| 3484 | uint64_t instanceMethods; /* method_list_t * (64-bit pointer) */ | |||
| 3485 | uint64_t classMethods; /* method_list_t * (64-bit pointer) */ | |||
| 3486 | uint64_t optionalInstanceMethods; /* method_list_t * (64-bit pointer) */ | |||
| 3487 | uint64_t optionalClassMethods; /* method_list_t * (64-bit pointer) */ | |||
| 3488 | uint64_t instanceProperties; /* struct objc_property_list * | |||
| 3489 | (64-bit pointer) */ | |||
| 3490 | }; | |||
| 3491 | ||||
| 3492 | struct protocol32_t { | |||
| 3493 | uint32_t isa; /* id * (32-bit pointer) */ | |||
| 3494 | uint32_t name; /* const char * (32-bit pointer) */ | |||
| 3495 | uint32_t protocols; /* struct protocol_list_t * | |||
| 3496 | (32-bit pointer) */ | |||
| 3497 | uint32_t instanceMethods; /* method_list_t * (32-bit pointer) */ | |||
| 3498 | uint32_t classMethods; /* method_list_t * (32-bit pointer) */ | |||
| 3499 | uint32_t optionalInstanceMethods; /* method_list_t * (32-bit pointer) */ | |||
| 3500 | uint32_t optionalClassMethods; /* method_list_t * (32-bit pointer) */ | |||
| 3501 | uint32_t instanceProperties; /* struct objc_property_list * | |||
| 3502 | (32-bit pointer) */ | |||
| 3503 | }; | |||
| 3504 | ||||
| 3505 | struct ivar_list64_t { | |||
| 3506 | uint32_t entsize; | |||
| 3507 | uint32_t count; | |||
| 3508 | /* struct ivar64_t first; These structures follow inline */ | |||
| 3509 | }; | |||
| 3510 | ||||
| 3511 | struct ivar_list32_t { | |||
| 3512 | uint32_t entsize; | |||
| 3513 | uint32_t count; | |||
| 3514 | /* struct ivar32_t first; These structures follow inline */ | |||
| 3515 | }; | |||
| 3516 | ||||
| 3517 | struct ivar64_t { | |||
| 3518 | uint64_t offset; /* uintptr_t * (64-bit pointer) */ | |||
| 3519 | uint64_t name; /* const char * (64-bit pointer) */ | |||
| 3520 | uint64_t type; /* const char * (64-bit pointer) */ | |||
| 3521 | uint32_t alignment; | |||
| 3522 | uint32_t size; | |||
| 3523 | }; | |||
| 3524 | ||||
| 3525 | struct ivar32_t { | |||
| 3526 | uint32_t offset; /* uintptr_t * (32-bit pointer) */ | |||
| 3527 | uint32_t name; /* const char * (32-bit pointer) */ | |||
| 3528 | uint32_t type; /* const char * (32-bit pointer) */ | |||
| 3529 | uint32_t alignment; | |||
| 3530 | uint32_t size; | |||
| 3531 | }; | |||
| 3532 | ||||
| 3533 | struct objc_property_list64 { | |||
| 3534 | uint32_t entsize; | |||
| 3535 | uint32_t count; | |||
| 3536 | /* struct objc_property64 first; These structures follow inline */ | |||
| 3537 | }; | |||
| 3538 | ||||
| 3539 | struct objc_property_list32 { | |||
| 3540 | uint32_t entsize; | |||
| 3541 | uint32_t count; | |||
| 3542 | /* struct objc_property32 first; These structures follow inline */ | |||
| 3543 | }; | |||
| 3544 | ||||
| 3545 | struct objc_property64 { | |||
| 3546 | uint64_t name; /* const char * (64-bit pointer) */ | |||
| 3547 | uint64_t attributes; /* const char * (64-bit pointer) */ | |||
| 3548 | }; | |||
| 3549 | ||||
| 3550 | struct objc_property32 { | |||
| 3551 | uint32_t name; /* const char * (32-bit pointer) */ | |||
| 3552 | uint32_t attributes; /* const char * (32-bit pointer) */ | |||
| 3553 | }; | |||
| 3554 | ||||
| 3555 | struct category64_t { | |||
| 3556 | uint64_t name; /* const char * (64-bit pointer) */ | |||
| 3557 | uint64_t cls; /* struct class_t * (64-bit pointer) */ | |||
| 3558 | uint64_t instanceMethods; /* struct method_list_t * (64-bit pointer) */ | |||
| 3559 | uint64_t classMethods; /* struct method_list_t * (64-bit pointer) */ | |||
| 3560 | uint64_t protocols; /* struct protocol_list_t * (64-bit pointer) */ | |||
| 3561 | uint64_t instanceProperties; /* struct objc_property_list * | |||
| 3562 | (64-bit pointer) */ | |||
| 3563 | }; | |||
| 3564 | ||||
| 3565 | struct category32_t { | |||
| 3566 | uint32_t name; /* const char * (32-bit pointer) */ | |||
| 3567 | uint32_t cls; /* struct class_t * (32-bit pointer) */ | |||
| 3568 | uint32_t instanceMethods; /* struct method_list_t * (32-bit pointer) */ | |||
| 3569 | uint32_t classMethods; /* struct method_list_t * (32-bit pointer) */ | |||
| 3570 | uint32_t protocols; /* struct protocol_list_t * (32-bit pointer) */ | |||
| 3571 | uint32_t instanceProperties; /* struct objc_property_list * | |||
| 3572 | (32-bit pointer) */ | |||
| 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 | /* masks for objc_image_info.flags */ | |||
| 3588 | #define OBJC_IMAGE_IS_REPLACEMENT(1 << 0) (1 << 0) | |||
| 3589 | #define OBJC_IMAGE_SUPPORTS_GC(1 << 1) (1 << 1) | |||
| 3590 | #define OBJC_IMAGE_IS_SIMULATED(1 << 5) (1 << 5) | |||
| 3591 | #define OBJC_IMAGE_HAS_CATEGORY_CLASS_PROPERTIES(1 << 6) (1 << 6) | |||
| 3592 | ||||
| 3593 | struct message_ref64 { | |||
| 3594 | uint64_t imp; /* IMP (64-bit pointer) */ | |||
| 3595 | uint64_t sel; /* SEL (64-bit pointer) */ | |||
| 3596 | }; | |||
| 3597 | ||||
| 3598 | struct message_ref32 { | |||
| 3599 | uint32_t imp; /* IMP (32-bit pointer) */ | |||
| 3600 | uint32_t sel; /* SEL (32-bit pointer) */ | |||
| 3601 | }; | |||
| 3602 | ||||
| 3603 | // Objective-C 1 (32-bit only) meta data structs. | |||
| 3604 | ||||
| 3605 | struct objc_module_t { | |||
| 3606 | uint32_t version; | |||
| 3607 | uint32_t size; | |||
| 3608 | uint32_t name; /* char * (32-bit pointer) */ | |||
| 3609 | uint32_t symtab; /* struct objc_symtab * (32-bit pointer) */ | |||
| 3610 | }; | |||
| 3611 | ||||
| 3612 | struct objc_symtab_t { | |||
| 3613 | uint32_t sel_ref_cnt; | |||
| 3614 | uint32_t refs; /* SEL * (32-bit pointer) */ | |||
| 3615 | uint16_t cls_def_cnt; | |||
| 3616 | uint16_t cat_def_cnt; | |||
| 3617 | // uint32_t defs[1]; /* void * (32-bit pointer) variable size */ | |||
| 3618 | }; | |||
| 3619 | ||||
| 3620 | struct objc_class_t { | |||
| 3621 | uint32_t isa; /* struct objc_class * (32-bit pointer) */ | |||
| 3622 | uint32_t super_class; /* struct objc_class * (32-bit pointer) */ | |||
| 3623 | uint32_t name; /* const char * (32-bit pointer) */ | |||
| 3624 | int32_t version; | |||
| 3625 | int32_t info; | |||
| 3626 | int32_t instance_size; | |||
| 3627 | uint32_t ivars; /* struct objc_ivar_list * (32-bit pointer) */ | |||
| 3628 | uint32_t methodLists; /* struct objc_method_list ** (32-bit pointer) */ | |||
| 3629 | uint32_t cache; /* struct objc_cache * (32-bit pointer) */ | |||
| 3630 | uint32_t protocols; /* struct objc_protocol_list * (32-bit pointer) */ | |||
| 3631 | }; | |||
| 3632 | ||||
| 3633 | #define CLS_GETINFO(cls, infomask)((cls)->info & (infomask)) ((cls)->info & (infomask)) | |||
| 3634 | // class is not a metaclass | |||
| 3635 | #define CLS_CLASS0x1 0x1 | |||
| 3636 | // class is a metaclass | |||
| 3637 | #define CLS_META0x2 0x2 | |||
| 3638 | ||||
| 3639 | struct objc_category_t { | |||
| 3640 | uint32_t category_name; /* char * (32-bit pointer) */ | |||
| 3641 | uint32_t class_name; /* char * (32-bit pointer) */ | |||
| 3642 | uint32_t instance_methods; /* struct objc_method_list * (32-bit pointer) */ | |||
| 3643 | uint32_t class_methods; /* struct objc_method_list * (32-bit pointer) */ | |||
| 3644 | uint32_t protocols; /* struct objc_protocol_list * (32-bit ptr) */ | |||
| 3645 | }; | |||
| 3646 | ||||
| 3647 | struct objc_ivar_t { | |||
| 3648 | uint32_t ivar_name; /* char * (32-bit pointer) */ | |||
| 3649 | uint32_t ivar_type; /* char * (32-bit pointer) */ | |||
| 3650 | int32_t ivar_offset; | |||
| 3651 | }; | |||
| 3652 | ||||
| 3653 | struct objc_ivar_list_t { | |||
| 3654 | int32_t ivar_count; | |||
| 3655 | // struct objc_ivar_t ivar_list[1]; /* variable length structure */ | |||
| 3656 | }; | |||
| 3657 | ||||
| 3658 | struct objc_method_list_t { | |||
| 3659 | uint32_t obsolete; /* struct objc_method_list * (32-bit pointer) */ | |||
| 3660 | int32_t method_count; | |||
| 3661 | // struct objc_method_t method_list[1]; /* variable length structure */ | |||
| 3662 | }; | |||
| 3663 | ||||
| 3664 | struct objc_method_t { | |||
| 3665 | uint32_t method_name; /* SEL, aka struct objc_selector * (32-bit pointer) */ | |||
| 3666 | uint32_t method_types; /* char * (32-bit pointer) */ | |||
| 3667 | uint32_t method_imp; /* IMP, aka function pointer, (*IMP)(id, SEL, ...) | |||
| 3668 | (32-bit pointer) */ | |||
| 3669 | }; | |||
| 3670 | ||||
| 3671 | struct objc_protocol_list_t { | |||
| 3672 | uint32_t next; /* struct objc_protocol_list * (32-bit pointer) */ | |||
| 3673 | int32_t count; | |||
| 3674 | // uint32_t list[1]; /* Protocol *, aka struct objc_protocol_t * | |||
| 3675 | // (32-bit pointer) */ | |||
| 3676 | }; | |||
| 3677 | ||||
| 3678 | struct objc_protocol_t { | |||
| 3679 | uint32_t isa; /* struct objc_class * (32-bit pointer) */ | |||
| 3680 | uint32_t protocol_name; /* char * (32-bit pointer) */ | |||
| 3681 | uint32_t protocol_list; /* struct objc_protocol_list * (32-bit pointer) */ | |||
| 3682 | uint32_t instance_methods; /* struct objc_method_description_list * | |||
| 3683 | (32-bit pointer) */ | |||
| 3684 | uint32_t class_methods; /* struct objc_method_description_list * | |||
| 3685 | (32-bit pointer) */ | |||
| 3686 | }; | |||
| 3687 | ||||
| 3688 | struct objc_method_description_list_t { | |||
| 3689 | int32_t count; | |||
| 3690 | // struct objc_method_description_t list[1]; | |||
| 3691 | }; | |||
| 3692 | ||||
| 3693 | struct objc_method_description_t { | |||
| 3694 | uint32_t name; /* SEL, aka struct objc_selector * (32-bit pointer) */ | |||
| 3695 | uint32_t types; /* char * (32-bit pointer) */ | |||
| 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 | } // namespace | |||
| 3968 | ||||
| 3969 | static const char *get_dyld_bind_info_symbolname(uint64_t ReferenceValue, | |||
| 3970 | struct DisassembleInfo *info); | |||
| 3971 | ||||
| 3972 | // get_objc2_64bit_class_name() is used for disassembly and is passed a pointer | |||
| 3973 | // to an Objective-C class and returns the class name. It is also passed the | |||
| 3974 | // address of the pointer, so when the pointer is zero as it can be in an .o | |||
| 3975 | // file, that is used to look for an external relocation entry with a symbol | |||
| 3976 | // name. | |||
| 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 | // The pointer_value can be 0 in an object file and have a relocation | |||
| 3985 | // entry for the class symbol at the ReferenceValue (the address of the | |||
| 3986 | // pointer). | |||
| 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 | // The case were the pointer_value is non-zero and points to a class defined | |||
| 4003 | // in this Mach-O file. | |||
| 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 | // get_objc2_64bit_cfstring_name is used for disassembly and is passed a | |||
| 4027 | // pointer to a cfstring and returns its name or nullptr. | |||
| 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)__builtin_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 | // get_objc2_64bit_selref() is used for disassembly and is passed a the address | |||
| 4057 | // of a pointer to an Objective-C selector reference when the pointer value is | |||
| 4058 | // zero as in a .o file and is likely to have a external relocation entry with | |||
| 4059 | // who's symbol's n_value is the real pointer to the selector name. If that is | |||
| 4060 | // the case the real pointer to the selector name is returned else 0 is | |||
| 4061 | // returned | |||
| 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"llx", 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"llx", n_value); | |||
| 4136 | if (p != 0) | |||
| 4137 | outs() << " + " << format("0x%" PRIx64"llx", p); | |||
| 4138 | } else | |||
| 4139 | outs() << format("0x%" PRIx64"llx", 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"x", Address) << " "; | |||
| 4175 | ||||
| 4176 | if (O->isLittleEndian() != sys::IsLittleEndianHost) | |||
| 4177 | sys::swapByteOrder(p); | |||
| 4178 | outs() << format("0x%" PRIx32"x", 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"x", (*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)__builtin_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"llx", n_value); | |||
| 4271 | if (m.name != 0) | |||
| 4272 | outs() << " + " << format("0x%" PRIx64"llx", m.name); | |||
| 4273 | } else | |||
| 4274 | outs() << format("0x%" PRIx64"llx", 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)__builtin_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"llx", n_value); | |||
| 4288 | if (m.types != 0) | |||
| 4289 | outs() << " + " << format("0x%" PRIx64"llx", m.types); | |||
| 4290 | } else | |||
| 4291 | outs() << format("0x%" PRIx64"llx", 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)__builtin_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"llx", n_value) << " "; | |||
| 4303 | if (m.imp != 0) | |||
| 4304 | outs() << "+ " << format("0x%" PRIx64"llx", m.imp) << " "; | |||
| 4305 | } else | |||
| 4306 | outs() << format("0x%" PRIx64"llx", 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"x", 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"x", 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"x", m.imp); | |||
| 4367 | name = get_symbol_32(offset + offsetof(struct method32_t, imp)__builtin_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"x", 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"x", 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"x", 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"x", 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"llx", n_value); | |||
| 4494 | if (q != 0) | |||
| 4495 | outs() << " + " << format("0x%" PRIx64"llx", q); | |||
| 4496 | } else | |||
| 4497 | outs() << format("0x%" PRIx64"llx", 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"llx", pc.isa) << "\n"; | |||
| 4513 | ||||
| 4514 | outs() << "\t\t\t name "; | |||
| 4515 | sym_name = get_symbol_64(offset + offsetof(struct protocol64_t, name)__builtin_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"llx", n_value); | |||
| 4522 | if (pc.name != 0) | |||
| 4523 | outs() << " + " << format("0x%" PRIx64"llx", pc.name); | |||
| 4524 | } else | |||
| 4525 | outs() << format("0x%" PRIx64"llx", 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"llx", pc.protocols) << "\n"; | |||
| 4532 | ||||
| 4533 | outs() << "\t\t instanceMethods "; | |||
| 4534 | sym_name = | |||
| 4535 | get_symbol_64(offset + offsetof(struct protocol64_t, instanceMethods)__builtin_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"llx", n_value); | |||
| 4542 | if (pc.instanceMethods != 0) | |||
| 4543 | outs() << " + " << format("0x%" PRIx64"llx", pc.instanceMethods); | |||
| 4544 | } else | |||
| 4545 | outs() << format("0x%" PRIx64"llx", 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)__builtin_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"llx", n_value); | |||
| 4559 | if (pc.classMethods != 0) | |||
| 4560 | outs() << " + " << format("0x%" PRIx64"llx", pc.classMethods); | |||
| 4561 | } else | |||
| 4562 | outs() << format("0x%" PRIx64"llx", 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"llx", pc.optionalInstanceMethods) << "\n"; | |||
| 4569 | outs() << "\t optionalClassMethods " | |||
| 4570 | << format("0x%" PRIx64"llx", pc.optionalClassMethods) << "\n"; | |||
| 4571 | outs() << "\t instanceProperties " | |||
| 4572 | << format("0x%" PRIx64"llx", 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"x", 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"x", pc.isa) << "\n"; | |||
| 4629 | outs() << "\t\t\t name " << format("0x%" PRIx32"x", 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"x", pc.protocols) << "\n"; | |||
| 4635 | outs() << "\t\t instanceMethods " | |||
| 4636 | << format("0x%" PRIx32"x", 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"x", 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"x", pc.optionalInstanceMethods) << "\n"; | |||
| 4646 | outs() << "\t optionalClassMethods " | |||
| 4647 | << format("0x%" PRIx32"x", pc.optionalClassMethods) << "\n"; | |||
| 4648 | outs() << "\t instanceProperties " | |||
| 4649 | << format("0x%" PRIx32"x", 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"x", 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"x", 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"x", protocol.isa) | |||
| 4763 | << "\n"; | |||
| 4764 | ||||
| 4765 | print_indent(indent); | |||
| 4766 | outs() << " protocol_name " | |||
| 4767 | << format("0x%08" PRIx32"x", 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"x", 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"x", 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"x", 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"x", 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"x", 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)__builtin_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"llx", n_value); | |||
| 4891 | if (i.offset != 0) | |||
| 4892 | outs() << " + " << format("0x%" PRIx64"llx", i.offset); | |||
| 4893 | } else | |||
| 4894 | outs() << format("0x%" PRIx64"llx", 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)__builtin_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"llx", n_value); | |||
| 4912 | if (i.name != 0) | |||
| 4913 | outs() << " + " << format("0x%" PRIx64"llx", i.name); | |||
| 4914 | } else | |||
| 4915 | outs() << format("0x%" PRIx64"llx", 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)__builtin_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"llx", n_value); | |||
| 4930 | if (i.type != 0) | |||
| 4931 | outs() << " + " << format("0x%" PRIx64"llx", i.type); | |||
| 4932 | } else | |||
| 4933 | outs() << format("0x%" PRIx64"llx", 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"x", 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"x", 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"x", 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)__builtin_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"llx", n_value); | |||
| 5061 | if (op.name != 0) | |||
| 5062 | outs() << " + " << format("0x%" PRIx64"llx", op.name); | |||
| 5063 | } else | |||
| 5064 | outs() << format("0x%" PRIx64"llx", 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)__builtin_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"llx", n_value); | |||
| 5079 | if (op.attributes != 0) | |||
| 5080 | outs() << " + " << format("0x%" PRIx64"llx", op.attributes); | |||
| 5081 | } else | |||
| 5082 | outs() << format("0x%" PRIx64"llx", 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"x", 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"x", 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"x", cro.flags); | |||
| 5164 | if (cro.flags & RO_META(1 << 0)) | |||
| 5165 | outs() << " RO_META"; | |||
| 5166 | if (cro.flags & RO_ROOT(1 << 1)) | |||
| 5167 | outs() << " RO_ROOT"; | |||
| 5168 | if (cro.flags & RO_HAS_CXX_STRUCTORS(1 << 2)) | |||
| 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"x", cro.reserved) | |||
| 5174 | << "\n"; | |||
| 5175 | outs() << " ivarLayout " << format("0x%" PRIx64"llx", 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)__builtin_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"llx", n_value); | |||
| 5187 | if (cro.name != 0) | |||
| 5188 | outs() << " + " << format("0x%" PRIx64"llx", cro.name); | |||
| 5189 | } else | |||
| 5190 | outs() << format("0x%" PRIx64"llx", 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)__builtin_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"llx", n_value); | |||
| 5204 | if (cro.baseMethods != 0) | |||
| 5205 | outs() << " + " << format("0x%" PRIx64"llx", cro.baseMethods); | |||
| 5206 | } else | |||
| 5207 | outs() << format("0x%" PRIx64"llx", 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)__builtin_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"llx", n_value); | |||
| 5221 | if (cro.baseProtocols != 0) | |||
| 5222 | outs() << " + " << format("0x%" PRIx64"llx", cro.baseProtocols); | |||
| 5223 | } else | |||
| 5224 | outs() << format("0x%" PRIx64"llx", 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)__builtin_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"llx", n_value); | |||
| 5237 | if (cro.ivars != 0) | |||
| 5238 | outs() << " + " << format("0x%" PRIx64"llx", cro.ivars); | |||
| 5239 | } else | |||
| 5240 | outs() << format("0x%" PRIx64"llx", 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)__builtin_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"llx", n_value); | |||
| 5254 | if (cro.weakIvarLayout != 0) | |||
| 5255 | outs() << " + " << format("0x%" PRIx64"llx", cro.weakIvarLayout); | |||
| 5256 | } else | |||
| 5257 | outs() << format("0x%" PRIx64"llx", 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)__builtin_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"llx", n_value); | |||
| 5270 | if (cro.baseProperties != 0) | |||
| 5271 | outs() << " + " << format("0x%" PRIx64"llx", cro.baseProperties); | |||
| 5272 | } else | |||
| 5273 | outs() << format("0x%" PRIx64"llx", 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(1 << 0)) != 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"x", cro.flags); | |||
| 5302 | if (cro.flags & RO_META(1 << 0)) | |||
| 5303 | outs() << " RO_META"; | |||
| 5304 | if (cro.flags & RO_ROOT(1 << 1)) | |||
| 5305 | outs() << " RO_ROOT"; | |||
| 5306 | if (cro.flags & RO_HAS_CXX_STRUCTORS(1 << 2)) | |||
| 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"x", cro.ivarLayout) | |||
| 5312 | << "\n"; | |||
| 5313 | print_layout_map32(cro.ivarLayout, info); | |||
| 5314 | ||||
| 5315 | outs() << " name " << format("0x%" PRIx32"x", 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"x", 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"x", cro.baseProtocols) << "\n"; | |||
| 5329 | if (cro.baseProtocols != 0) | |||
| 5330 | print_protocol_list32_t(cro.baseProtocols, info); | |||
| 5331 | outs() << " ivars " << format("0x%" PRIx32"x", cro.ivars) | |||
| 5332 | << "\n"; | |||
| 5333 | if (cro.ivars != 0) | |||
| 5334 | print_ivar_list32_t(cro.ivars, info); | |||
| 5335 | outs() << " weakIvarLayout " | |||
| 5336 | << format("0x%" PRIx32"x", cro.weakIvarLayout) << "\n"; | |||
| 5337 | print_layout_map32(cro.weakIvarLayout, info); | |||
| 5338 | outs() << " baseProperties " | |||
| 5339 | << format("0x%" PRIx32"x", cro.baseProperties) << "\n"; | |||
| 5340 | if (cro.baseProperties != 0) | |||
| 5341 | print_objc_property_list32(cro.baseProperties, info); | |||
| 5342 | is_meta_class = (cro.flags & RO_META(1 << 0)) != 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"llx", c.isa); | |||
| 5362 | name = get_symbol_64(offset + offsetof(struct class64_t, isa)__builtin_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"llx", c.superclass); | |||
| 5369 | name = get_symbol_64(offset + offsetof(struct class64_t, superclass)__builtin_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)__builtin_offsetof(struct class64_t, superclass), info); | |||
| 5376 | if (name != nullptr) | |||
| 5377 | outs() << " " << name; | |||
| 5378 | } | |||
| 5379 | outs() << "\n"; | |||
| 5380 | ||||
| 5381 | outs() << " cache " << format("0x%" PRIx64"llx", c.cache); | |||
| 5382 | name = get_symbol_64(offset + offsetof(struct class64_t, cache)__builtin_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"llx", c.vtable); | |||
| 5389 | name = get_symbol_64(offset + offsetof(struct class64_t, vtable)__builtin_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)__builtin_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"llx", n_value); | |||
| 5403 | if (c.data != 0) | |||
| 5404 | outs() << " + " << format("0x%" PRIx64"llx", c.data); | |||
| 5405 | } else | |||
| 5406 | outs() << format("0x%" PRIx64"llx", c.data); | |||
| 5407 | outs() << " (struct class_ro_t *)"; | |||
| 5408 | ||||
| 5409 | // This is a Swift class if some of the low bits of the pointer are set. | |||
| 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"x", c.isa); | |||
| 5447 | name = | |||
| 5448 | get_symbol_32(offset + offsetof(struct class32_t, isa)__builtin_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"x", c.superclass); | |||
| 5454 | name = get_symbol_32(offset + offsetof(struct class32_t, superclass)__builtin_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"x", c.cache); | |||
| 5461 | name = get_symbol_32(offset + offsetof(struct class32_t, cache)__builtin_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"x", c.vtable); | |||
| 5468 | name = get_symbol_32(offset + offsetof(struct class32_t, vtable)__builtin_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)__builtin_offsetof(struct class32_t, data), S, info, c.data); | |||
| 5476 | outs() << " data " << format("0x%" PRIx32"x", c.data) | |||
| 5477 | << " (struct class_ro_t *)"; | |||
| 5478 | ||||
| 5479 | // This is a Swift class if some of the low bits of the pointer are set. | |||
| 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"x", objc_class->isa); | |||
| 5503 | if (info->verbose && CLS_GETINFO(objc_class, CLS_META)((objc_class)->info & (0x2))) { | |||
| 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"x", 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"x", 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"x", objc_class->version) | |||
| 5534 | << "\n"; | |||
| 5535 | ||||
| 5536 | outs() << "\t\t info " << format("0x%08" PRIx32"x", objc_class->info); | |||
| 5537 | if (info->verbose) { | |||
| 5538 | if (CLS_GETINFO(objc_class, CLS_CLASS)((objc_class)->info & (0x1))) | |||
| 5539 | outs() << " CLS_CLASS"; | |||
| 5540 | else if (CLS_GETINFO(objc_class, CLS_META)((objc_class)->info & (0x2))) | |||
| 5541 | outs() << " CLS_META"; | |||
| 5542 | } | |||
| 5543 | outs() << "\n"; | |||
| 5544 | ||||
| 5545 | outs() << "\t instance_size " | |||
| 5546 | << format("0x%08" PRIx32"x", 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"x", 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"x", 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"x", 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"x", 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"x", 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"x", objc_class->cache) | |||
| 5605 | << "\n"; | |||
| 5606 | ||||
| 5607 | outs() << "\t\tprotocols " << format("0x%08" PRIx32"x", 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"x", 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"x", 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"x", 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"x", 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)__builtin_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"llx", n_value); | |||
| 5681 | if (c.name != 0) | |||
| 5682 | outs() << " + " << format("0x%" PRIx64"llx", c.name); | |||
| 5683 | } else | |||
| 5684 | outs() << format("0x%" PRIx64"llx", 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)__builtin_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"llx", n_value); | |||
| 5698 | if (c.cls != 0) | |||
| 5699 | outs() << " + " << format("0x%" PRIx64"llx", c.cls); | |||
| 5700 | } else | |||
| 5701 | outs() << format("0x%" PRIx64"llx", 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)__builtin_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"llx", n_value); | |||
| 5715 | if (c.instanceMethods != 0) | |||
| 5716 | outs() << " + " << format("0x%" PRIx64"llx", c.instanceMethods); | |||
| 5717 | } else | |||
| 5718 | outs() << format("0x%" PRIx64"llx", 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)__builtin_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"llx", n_value); | |||
| 5731 | if (c.classMethods != 0) | |||
| 5732 | outs() << " + " << format("0x%" PRIx64"llx", c.classMethods); | |||
| 5733 | } else | |||
| 5734 | outs() << format("0x%" PRIx64"llx", 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)__builtin_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"llx", n_value); | |||
| 5747 | if (c.protocols != 0) | |||
| 5748 | outs() << " + " << format("0x%" PRIx64"llx", c.protocols); | |||
| 5749 | } else | |||
| 5750 | outs() << format("0x%" PRIx64"llx", 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)__builtin_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"llx", n_value); | |||
| 5764 | if (c.instanceProperties != 0) | |||
| 5765 | outs() << " + " << format("0x%" PRIx64"llx", c.instanceProperties); | |||
| 5766 | } else | |||
| 5767 | outs() << format("0x%" PRIx64"llx", 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"x", c.name); | |||
| 5793 | name = get_symbol_32(offset + offsetof(struct category32_t, name)__builtin_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"x", c.cls) << "\n"; | |||
| 5800 | if (c.cls != 0) | |||
| 5801 | print_class32_t(c.cls, info); | |||
| 5802 | outs() << " instanceMethods " << format("0x%" PRIx32"x", c.instanceMethods) | |||
| 5803 | << "\n"; | |||
| 5804 | if (c.instanceMethods != 0) | |||
| 5805 | print_method_list32_t(c.instanceMethods, info, ""); | |||
| 5806 | outs() << " classMethods " << format("0x%" PRIx32"x", c.classMethods) | |||
| 5807 | << "\n"; | |||
| 5808 | if (c.classMethods != 0) | |||
| 5809 | print_method_list32_t(c.classMethods, info, ""); | |||
| 5810 | outs() << " protocols " << format("0x%" PRIx32"x", c.protocols) << "\n"; | |||
| 5811 | if (c.protocols != 0) | |||
| 5812 | print_protocol_list32_t(c.protocols, info); | |||
| 5813 | outs() << "instanceProperties " << format("0x%" PRIx32"x", 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)__builtin_offsetof(struct message_ref64, imp), S, info, | |||
| 5857 | n_value, mr.imp); | |||
| 5858 | if (n_value != 0) { | |||
| 5859 | outs() << format("0x%" PRIx64"llx", n_value) << " "; | |||
| 5860 | if (mr.imp != 0) | |||
| 5861 | outs() << "+ " << format("0x%" PRIx64"llx", mr.imp) << " "; | |||
| 5862 | } else | |||
| 5863 | outs() << format("0x%" PRIx64"llx", 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)__builtin_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"llx", n_value); | |||
| 5876 | if (mr.sel != 0) | |||
| 5877 | outs() << " + " << format("0x%" PRIx64"llx", mr.sel); | |||
| 5878 | } else | |||
| 5879 | outs() << format("0x%" PRIx64"llx", 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"x", mr.imp); | |||
| 5924 | name = get_symbol_32(offset + offsetof(struct message_ref32, imp)__builtin_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"x", 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"x", o.flags); | |||
| 5973 | if (o.flags & OBJC_IMAGE_IS_REPLACEMENT(1 << 0)) | |||
| 5974 | outs() << " OBJC_IMAGE_IS_REPLACEMENT"; | |||
| 5975 | if (o.flags & OBJC_IMAGE_SUPPORTS_GC(1 << 1)) | |||
| 5976 | outs() << " OBJC_IMAGE_SUPPORTS_GC"; | |||
| 5977 | if (o.flags & OBJC_IMAGE_IS_SIMULATED(1 << 5)) | |||
| 5978 | outs() << " OBJC_IMAGE_IS_SIMULATED"; | |||
| 5979 | if (o.flags & OBJC_IMAGE_HAS_CATEGORY_CLASS_PROPERTIES(1 << 6)) | |||
| 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"x", o.flags); | |||
| 6035 | if (o.flags & OBJC_IMAGE_IS_REPLACEMENT(1 << 0)) | |||
| 6036 | outs() << " OBJC_IMAGE_IS_REPLACEMENT"; | |||
| 6037 | if (o.flags & OBJC_IMAGE_SUPPORTS_GC(1 << 1)) | |||
| 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"x", 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; | |||
| 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) | |||
| 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)) { | |||
| 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"x", 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"x", 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"x", module.symtab) | |||
| 6315 | << " (not in an __OBJC section)\n"; | |||
| 6316 | continue; | |||
| 6317 | } | |||
| 6318 | outs() << " symtab " << format("0x%08" PRIx32"x", 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"x", 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"x", 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)((&objc_class)->info & (0x1))) { | |||
| 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"x", 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"x", 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 | /* owner permissions */ | |||
| 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 | /* group permissions */ | |||
| 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 | /* other permissions */ | |||
| 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 | // Go through the xar's files. | |||
| 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 | // TODO: Go through the xar's files. | |||
| 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__null; | |||
| 6763 | member_type = NULL__null; | |||
| 6764 | member_size_string = NULL__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 | * If we find a file with a name, date/size and type properties | |||
| 6780 | * and with the type being "file" see if that is a xar file. | |||
| 6781 | */ | |||
| 6782 | if (member_name != NULL__null && member_type != NULL__null && | |||
| 6783 | strcmp(member_type, "file") == 0 && | |||
| 6784 | member_size_string != NULL__null){ | |||
| 6785 | // Extract the file into a buffer. | |||
| 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 | // Set the XarMemberName we want to see printed in the header. | |||
| 6795 | std::string OldXarMemberName; | |||
| 6796 | // If XarMemberName is already set this is nested. So | |||
| 6797 | // save the old name and create the nested name. | |||
| 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 | // See if this is could be a xar file (nested). | |||
| 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()) | |||
| 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) | |||
| 6835 | printObjc2_32bit_MetaData(O, verbose); | |||
| 6836 | else { | |||
| 6837 | // This is the 32-bit non-arm cputype case. Which is normally | |||
| 6838 | // the first Objective-C ABI. But it may be the case of a | |||
| 6839 | // binary for the iOS simulator which is the second Objective-C | |||
| 6840 | // ABI. In that case printObjc1_32bit_MetaData() will determine that | |||
| 6841 | // and return false. | |||
| 6842 | if (!printObjc1_32bit_MetaData(O, verbose)) | |||
| 6843 | printObjc2_32bit_MetaData(O, verbose); | |||
| 6844 | } | |||
| 6845 | } | |||
| 6846 | } | |||
| 6847 | ||||
| 6848 | // GuessLiteralPointer returns a string which for the item in the Mach-O file | |||
| 6849 | // for the address passed in as ReferenceValue for printing as a comment with | |||
| 6850 | // the instruction and also returns the corresponding type of that item | |||
| 6851 | // indirectly through ReferenceType. | |||
| 6852 | // | |||
| 6853 | // If ReferenceValue is an address of literal cstring then a pointer to the | |||
| 6854 | // cstring is returned and ReferenceType is set to | |||
| 6855 | // LLVMDisassembler_ReferenceType_Out_LitPool_CstrAddr . | |||
| 6856 | // | |||
| 6857 | // If ReferenceValue is an address of an Objective-C CFString, Selector ref or | |||
| 6858 | // Class ref that name is returned and the ReferenceType is set accordingly. | |||
| 6859 | // | |||
| 6860 | // Lastly, literals which are Symbol address in a literal pool are looked for | |||
| 6861 | // and if found the symbol name is returned and ReferenceType is set to | |||
| 6862 | // LLVMDisassembler_ReferenceType_Out_LitPool_SymAddr . | |||
| 6863 | // | |||
| 6864 | // If there is no item in the Mach-O file for the address passed in as | |||
| 6865 | // ReferenceValue nullptr is returned and ReferenceType is unchanged. | |||
| 6866 | static const char *GuessLiteralPointer(uint64_t ReferenceValue, | |||
| 6867 | uint64_t ReferencePC, | |||
| 6868 | uint64_t *ReferenceType, | |||
| 6869 | struct DisassembleInfo *info) { | |||
| 6870 | // First see if there is an external relocation entry at the ReferencePC. | |||
| 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 | // If there is an external relocation entry for a symbol in a section | |||
| 6896 | // then used that symbol's value for the value of the reference. | |||
| 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 | // Look for literals such as Objective-C CFStrings refs, Selector refs, | |||
| 6908 | // Message refs and Class refs. | |||
| 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 | // Note the ReferenceValue is a pointer into the __objc_classrefs section. | |||
| 6914 | // And the pointer_value in that section is typically zero as it will be | |||
| 6915 | // set by dyld as part of the "bind information". | |||
| 6916 | const char *name = get_dyld_bind_info_symbolname(ReferenceValue, info); | |||
| 6917 | if (name != nullptr) { | |||
| 6918 | *ReferenceType = LLVMDisassembler_ReferenceType_Out_Objc_Class_Ref8; | |||
| 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_Ref8; | |||
| 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_Ref4; | |||
| 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_Ref7; | |||
| 6955 | info->selector_name = name; | |||
| 6956 | } else if (pointer_value != 0 && msgref) { | |||
| 6957 | info->class_name = nullptr; | |||
| 6958 | *ReferenceType = LLVMDisassembler_ReferenceType_Out_Objc_Message_Ref6; | |||
| 6959 | info->selector_name = name; | |||
| 6960 | } else | |||
| 6961 | *ReferenceType = LLVMDisassembler_ReferenceType_Out_LitPool_CstrAddr3; | |||
| 6962 | return name; | |||
| 6963 | } | |||
| 6964 | ||||
| 6965 | // Lastly look for an indirect symbol with this ReferenceValue which is in | |||
| 6966 | // a literal pool. If found return that symbol name. | |||
| 6967 | name = GuessIndirectSymbol(ReferenceValue, info); | |||
| 6968 | if (name) { | |||
| 6969 | *ReferenceType = LLVMDisassembler_ReferenceType_Out_LitPool_SymAddr2; | |||
| 6970 | return name; | |||
| 6971 | } | |||
| 6972 | ||||
| 6973 | return nullptr; | |||
| 6974 | } | |||
| 6975 | ||||
| 6976 | // SymbolizerSymbolLookUp is the symbol lookup function passed when creating | |||
| 6977 | // the Symbolizer. It looks up the ReferenceValue using the info passed via the | |||
| 6978 | // pointer to the struct DisassembleInfo that was passed when MCSymbolizer | |||
| 6979 | // is created and returns the symbol name that matches the ReferenceValue or | |||
| 6980 | // nullptr if none. The ReferenceType is passed in for the IN type of | |||
| 6981 | // reference the instruction is making from the values in defined in the header | |||
| 6982 | // "llvm-c/Disassembler.h". On return the ReferenceType can set to a specific | |||
| 6983 | // Out type and the ReferenceName will also be set which is added as a comment | |||
| 6984 | // to the disassembled instruction. | |||
| 6985 | // | |||
| 6986 | // If the symbol name is a C++ mangled name then the demangled name is | |||
| 6987 | // returned through ReferenceName and ReferenceType is set to | |||
| 6988 | // LLVMDisassembler_ReferenceType_DeMangled_Name . | |||
| 6989 | // | |||
| 6990 | // When this is called to get a symbol name for a branch target then the | |||
| 6991 | // ReferenceType will be LLVMDisassembler_ReferenceType_In_Branch and then | |||
| 6992 | // SymbolValue will be looked for in the indirect symbol table to determine if | |||
| 6993 | // it is an address for a symbol stub. If so then the symbol name for that | |||
| 6994 | // stub is returned indirectly through ReferenceName and then ReferenceType is | |||
| 6995 | // set to LLVMDisassembler_ReferenceType_Out_SymbolStub. | |||
| 6996 | // | |||
| 6997 | // When this is called with an value loaded via a PC relative load then | |||
| 6998 | // ReferenceType will be LLVMDisassembler_ReferenceType_In_PCrel_Load then the | |||
| 6999 | // SymbolValue is checked to be an address of literal pointer, symbol pointer, | |||
| 7000 | // or an Objective-C meta data reference. If so the output ReferenceType is | |||
| 7001 | // set to correspond to that as well as setting the ReferenceName. | |||
| 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 | // If no verbose symbolic information is wanted then just return nullptr. | |||
| 7009 | if (!info->verbose) { | |||
| 7010 | *ReferenceName = nullptr; | |||
| 7011 | *ReferenceType = LLVMDisassembler_ReferenceType_InOut_None0; | |||
| 7012 | return nullptr; | |||
| 7013 | } | |||
| 7014 | ||||
| 7015 | const char *SymbolName = GuessSymbolName(ReferenceValue, info->AddrMap); | |||
| 7016 | ||||
| 7017 | if (*ReferenceType == LLVMDisassembler_ReferenceType_In_Branch1) { | |||
| 7018 | *ReferenceName = GuessIndirectSymbol(ReferenceValue, info); | |||
| 7019 | if (*ReferenceName != nullptr) { | |||
| 7020 | method_reference(info, ReferenceType, ReferenceName); | |||
| 7021 | if (*ReferenceType != LLVMDisassembler_ReferenceType_Out_Objc_Message5) | |||
| 7022 | *ReferenceType = LLVMDisassembler_ReferenceType_Out_SymbolStub1; | |||
| 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_Name9; | |||
| 7032 | } else | |||
| 7033 | *ReferenceType = LLVMDisassembler_ReferenceType_InOut_None0; | |||
| 7034 | } else | |||
| 7035 | *ReferenceType = LLVMDisassembler_ReferenceType_InOut_None0; | |||
| 7036 | } else if (*ReferenceType == LLVMDisassembler_ReferenceType_In_PCrel_Load2) { | |||
| 7037 | *ReferenceName = | |||
| 7038 | GuessLiteralPointer(ReferenceValue, ReferencePC, ReferenceType, info); | |||
| 7039 | if (*ReferenceName) | |||
| 7040 | method_reference(info, ReferenceType, ReferenceName); | |||
| 7041 | else | |||
| 7042 | *ReferenceType = LLVMDisassembler_ReferenceType_InOut_None0; | |||
| 7043 | // If this is arm64 and the reference is an adrp instruction save the | |||
| 7044 | // instruction, passed in ReferenceValue and the address of the instruction | |||
| 7045 | // for use later if we see and add immediate instruction. | |||
| 7046 | } else if (info->O->getArch() == Triple::aarch64 && | |||
| 7047 | *ReferenceType == LLVMDisassembler_ReferenceType_In_ARM64_ADRP0x100000001) { | |||
| 7048 | info->adrp_inst = ReferenceValue; | |||
| 7049 | info->adrp_addr = ReferencePC; | |||
| 7050 | SymbolName = nullptr; | |||
| 7051 | *ReferenceName = nullptr; | |||
| 7052 | *ReferenceType = LLVMDisassembler_ReferenceType_InOut_None0; | |||
| 7053 | // If this is arm64 and reference is an add immediate instruction and we | |||
| 7054 | // have | |||
| 7055 | // seen an adrp instruction just before it and the adrp's Xd register | |||
| 7056 | // matches | |||
| 7057 | // this add's Xn register reconstruct the value being referenced and look to | |||
| 7058 | // see if it is a literal pointer. Note the add immediate instruction is | |||
| 7059 | // passed in ReferenceValue. | |||
| 7060 | } else if (info->O->getArch() == Triple::aarch64 && | |||
| 7061 | *ReferenceType == LLVMDisassembler_ReferenceType_In_ARM64_ADDXri0x100000002 && | |||
| 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_None0; | |||
| 7085 | // If this is arm64 and the reference is a load register instruction and we | |||
| 7086 | // have seen an adrp instruction just before it and the adrp's Xd register | |||
| 7087 | // matches this add's Xn register reconstruct the value being referenced and | |||
| 7088 | // look to see if it is a literal pointer. Note the load register | |||
| 7089 | // instruction is passed in ReferenceValue. | |||
| 7090 | } else if (info->O->getArch() == Triple::aarch64 && | |||
| 7091 | *ReferenceType == LLVMDisassembler_ReferenceType_In_ARM64_LDRXui0x100000003 && | |||
| 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_None0; | |||
| 7113 | } | |||
| 7114 | // If this arm64 and is an load register (PC-relative) instruction the | |||
| 7115 | // ReferenceValue is the PC plus the immediate value. | |||
| 7116 | else if (info->O->getArch() == Triple::aarch64 && | |||
| 7117 | (*ReferenceType == LLVMDisassembler_ReferenceType_In_ARM64_LDRXl0x100000004 || | |||
| 7118 | *ReferenceType == LLVMDisassembler_ReferenceType_In_ARM64_ADR0x100000005)) { | |||
| 7119 | *ReferenceName = | |||
| 7120 | GuessLiteralPointer(ReferenceValue, ReferencePC, ReferenceType, info); | |||
| 7121 | if (*ReferenceName == nullptr) | |||
| 7122 | *ReferenceType = LLVMDisassembler_ReferenceType_InOut_None0; | |||
| 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_Name9; | |||
| 7132 | } | |||
| 7133 | } | |||
| 7134 | else { | |||
| 7135 | *ReferenceName = nullptr; | |||
| 7136 | *ReferenceType = LLVMDisassembler_ReferenceType_InOut_None0; | |||
| 7137 | } | |||
| 7138 | ||||
| 7139 | return SymbolName; | |||
| 7140 | } | |||
| 7141 | ||||
| 7142 | /// Emits the comments that are stored in the CommentStream. | |||
| 7143 | /// Each comment in the CommentStream must end with a newline. | |||
| 7144 | static void emitComments(raw_svector_ostream &CommentStream, | |||
| 7145 | SmallString<128> &CommentsToEmit, | |||
| 7146 | formatted_raw_ostream &FormattedOS, | |||
| 7147 | const MCAsmInfo &MAI) { | |||
| 7148 | // Flush the stream before taking its content. | |||
| 7149 | StringRef Comments = CommentsToEmit.str(); | |||
| 7150 | // Get the default information for printing a comment. | |||
| 7151 | StringRef CommentBegin = MAI.getCommentString(); | |||
| 7152 | unsigned CommentColumn = MAI.getCommentColumn(); | |||
| 7153 | ListSeparator LS("\n"); | |||
| 7154 | while (!Comments.empty()) { | |||
| 7155 | FormattedOS << LS; | |||
| 7156 | // Emit a line of comments. | |||
| 7157 | FormattedOS.PadToColumn(CommentColumn); | |||
| 7158 | size_t Position = Comments.find('\n'); | |||
| 7159 | FormattedOS << CommentBegin << ' ' << Comments.substr(0, Position); | |||
| 7160 | // Move after the newline character. | |||
| 7161 | Comments = Comments.substr(Position + 1); | |||
| 7162 | } | |||
| 7163 | FormattedOS.flush(); | |||
| 7164 | ||||
| 7165 | // Tell the comment stream that the vector changed underneath it. | |||
| 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 | // GetTarget prints out stuff. | |||
| 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 | // Package up features to be passed to target/subtarget | |||
| 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 | // Set up disassembler. | |||
| 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 | // Set the display preference for hex vs. decimal immediates. | |||
| 7250 | IP->setPrintImmHex(PrintImmHex); | |||
| 7251 | // Comment stream and backing vector. | |||
| 7252 | SmallString<128> CommentsToEmit; | |||
| 7253 | raw_svector_ostream CommentStream(CommentsToEmit); | |||
| 7254 | // FIXME: Setting the CommentStream in the InstPrinter is problematic in that | |||
| 7255 | // if it is done then arm64 comments for string literals don't get printed | |||
| 7256 | // and some constant get printed instead and not setting it causes intel | |||
| 7257 | // (32-bit and 64-bit) comments printed with different spacing before the | |||
| 7258 | // comment causing different diffs with the 'C' disassembler library API. | |||
| 7259 | // IP->setCommentStream(CommentStream); | |||
| 7260 | ||||
| 7261 | // Set up separate thumb disassembler if needed. | |||
| 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 | // Set the display preference for hex vs. decimal immediates. | |||
| 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 | // FIXME: Using the -cfg command line option, this code used to be able to | |||
| 7309 | // annotate relocations with the referenced symbol's name, and if this was | |||
| 7310 | // inside a __[cf]string section, the data it points to. This is now replaced | |||
| 7311 | // by the upcoming MCSymbolizer, which needs the appropriate setup done above. | |||
| 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 | // Sort the symbols by address, just in case they didn't come in that way. | |||
| 7321 | llvm::stable_sort(Symbols, SymbolSorter()); | |||
| 7322 | ||||
| 7323 | // Build a data in code table that is sorted on by the address of each entry. | |||
| 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 | // Try to find debug info and set up the DIContext for it. | |||
| 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 | // A separate DSym file path was specified, parse it as a macho file, | |||
| 7346 | // get the sections and supply it to the section name parsing machinery. | |||
| 7347 | if (!DSYMFile.empty()) { | |||
| 7348 | std::string DSYMPath(DSYMFile); | |||
| 7349 | ||||
| 7350 | // If DSYMPath is a .dSYM directory, append the Mach-O file. | |||
| 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 | // Load the file. | |||
| 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 | // We need to keep the file alive, because we're replacing DbgObj with it. | |||
| 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 | // We need to keep the Binary alive with the buffer | |||
| 7380 | DSYMBinary = std::move(BinaryOrErr.get()); | |||
| 7381 | if (ObjectFile *O = dyn_cast<ObjectFile>(DSYMBinary.get())) { | |||
| 7382 | // this is a Mach-O object file, use it | |||
| 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 | // this is a Universal Binary, find a Mach-O for this architecture | |||
| 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 | // We need to keep the Binary alive with the buffer | |||
| 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 | // Setup the DIContext | |||
| 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 | // Create a map of symbol addresses to symbol names for use by | |||
| 7455 | // the SymbolizerSymbolLookUp() routine. | |||
| 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 | // Set up the block of info used by the Symbolizer call backs. | |||
| 7476 | SymbolizerInfo.verbose = SymbolicOperands; | |||
| 7477 | SymbolizerInfo.O = MachOOF; | |||
| 7478 | SymbolizerInfo.S = Sections[SectIdx]; | |||
| 7479 | SymbolizerInfo.AddrMap = &AddrMap; | |||
| 7480 | SymbolizerInfo.Sections = &Sections; | |||
| 7481 | // Same for the ThumbSymbolizer | |||
| 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 | // Skip all symbols if this is a stubs file. | |||
| 7491 | if (Bytes.empty()) | |||
| 7492 | return; | |||
| 7493 | ||||
| 7494 | // If the section has symbols but no symbol at the start of the section | |||
| 7495 | // these are used to make sure the bytes before the first symbol are | |||
| 7496 | // disassembled. | |||
| 7497 | bool FirstSymbol = true; | |||
| 7498 | bool FirstSymbolAtSectionStart = true; | |||
| 7499 | ||||
| 7500 | // Disassemble symbol by symbol. | |||
| 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 | // Make sure the symbol is defined in this section. | |||
| 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 | // The __mh_execute_header is special and we need to deal with that fact | |||
| 7519 | // this symbol is before the start of the (__TEXT,__text) section and at the | |||
| 7520 | // address of the start of the __TEXT segment. This is because this symbol | |||
| 7521 | // is an N_SECT symbol in the (__TEXT,__text) but its address is before the | |||
| 7522 | // start of the section in a standard MH_EXECUTE filetype. | |||
| 7523 | if (!DisSymName.empty() && DisSymName == "__mh_execute_header") { | |||
| 7524 | outs() << "-dis-symname: __mh_execute_header not in any section\n"; | |||
| 7525 | return; | |||
| 7526 | } | |||
| 7527 | // When this code is trying to disassemble a symbol at a time and in the | |||
| 7528 | // case there is only the __mh_execute_header symbol left as in a stripped | |||
| 7529 | // executable, we need to deal with this by ignoring this symbol so the | |||
| 7530 | // whole section is disassembled and this symbol is then not displayed. | |||
| 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 | // If we are only disassembling one symbol see if this is that symbol. | |||
| 7537 | if (!DisSymName.empty() && DisSymName != SymName) | |||
| 7538 | continue; | |||
| 7539 | ||||
| 7540 | // Start at the address of the symbol relative to the section's address. | |||
| 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 | // Stop disassembling either at the beginning of the next symbol or at | |||
| 7553 | // the end of the section. | |||
| 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 | // We only need the dedicated Thumb target if there's a real choice | |||
| 7580 | // (i.e. we're not targeting M-class) and the function is Thumb. | |||
| 7581 | bool UseThumbTarget = IsThumb && ThumbTarget; | |||
| 7582 | ||||
| 7583 | // If we are not specifying a symbol to start disassembly with and this | |||
| 7584 | // is the first symbol in the section but not at the start of the section | |||
| 7585 | // then move the disassembly index to the start of the section and | |||
| 7586 | // don't print the symbol name just yet. This is so the bytes before the | |||
| 7587 | // first symbol are disassembled. | |||
| 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 | // If this is the first symbol in the section and it was not at the | |||
| 7601 | // start of the section, see if we are at its Index now and if so print | |||
| 7602 | // the symbol name. | |||
| 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"llx", PC); | |||
| 7611 | else | |||
| 7612 | outs() << format("%08" PRIx64"llx", PC); | |||
| 7613 | } else { | |||
| 7614 | outs() << format("%8" PRIx64"llx" ":", 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 | // Print debug info. | |||
| 7647 | if (diContext) { | |||
| 7648 | DILineInfo dli = diContext->getLineInfoForAddress({PC, SectIdx}); | |||
| 7649 | // Print valid line info if it changed. | |||
| 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; // skip exactly one illegible byte and move on. | |||
| 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")((void)0); | |||
| 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; // skip illegible bytes | |||
| 7680 | } | |||
| 7681 | } | |||
| 7682 | } | |||
| 7683 | // Now that we are done disassembled the first symbol set the bool that | |||
| 7684 | // were doing this to false. | |||
| 7685 | FirstSymbol = false; | |||
| 7686 | } | |||
| 7687 | if (!symbolTableWorked) { | |||
| 7688 | // Reading the symbol table didn't work, disassemble the whole section. | |||
| 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"llx", PC); | |||
| 7708 | else | |||
| 7709 | outs() << format("%08" PRIx64"llx", PC); | |||
| 7710 | } else { | |||
| 7711 | outs() << format("%8" PRIx64"llx" ":", 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; // skip exactly one illegible byte and move on. | |||
| 7726 | } else { | |||
| 7727 | WithColor::warning(errs(), "llvm-objdump") | |||
| 7728 | << "invalid instruction encoding\n"; | |||
| 7729 | if (InstSize == 0) | |||
| 7730 | InstSize = 1; // skip illegible bytes | |||
| 7731 | } | |||
| 7732 | } | |||
| 7733 | } | |||
| 7734 | } | |||
| 7735 | // The TripleName's need to be reset if we are called again for a different | |||
| 7736 | // architecture. | |||
| 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 | // __compact_unwind section dumping | |||
| 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 | /// Given a relocation from __compact_unwind, consisting of the RelocationRef | |||
| 7808 | /// and data being relocated, determine the best base Name and Addend to use for | |||
| 7809 | /// display purposes. | |||
| 7810 | /// | |||
| 7811 | /// 1. An Extern relocation will directly reference a symbol (and the data is | |||
| 7812 | /// then already an addend), so use that. | |||
| 7813 | /// 2. Otherwise the data is an offset in the object file's layout; try to find | |||
| 7814 | // a symbol before it in the same section, and use the offset from there. | |||
| 7815 | /// 3. Finally, if all that fails, fall back to an offset from the start of the | |||
| 7816 | /// referenced section. | |||
| 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 | // The first symbol in the object is after this reference, the best we can | |||
| 7835 | // do is section-relative notation. | |||
| 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 | // Go back one so that SymbolAddress <= Addr. | |||
| 7846 | --Sym; | |||
| 7847 | ||||
| 7848 | section_iterator SymSection = | |||
| 7849 | unwrapOrError(Sym->second.getSection(), Obj->getFileName()); | |||
| 7850 | if (RelocSection == *SymSection) { | |||
| 7851 | // There's a valid symbol in the same section before this reference. | |||
| 7852 | Name = unwrapOrError(Sym->second.getName(), Obj->getFileName()); | |||
| 7853 | Addend = Addr - Sym->first; | |||
| 7854 | return; | |||
| 7855 | } | |||
| 7856 | ||||
| 7857 | // There is a symbol before this reference, but it's in a different | |||
| 7858 | // section. Probably not helpful to mention it, so use the section name. | |||
| 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"llx", 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 | // First populate the initial raw offsets, encodings and so on from the entry. | |||
| 7902 | for (unsigned Offset = 0; Offset < Contents.size(); Offset += EntrySize) { | |||
| 7903 | CompactUnwindEntry Entry(Contents, Offset, Is64); | |||
| 7904 | CompactUnwinds.push_back(Entry); | |||
| 7905 | } | |||
| 7906 | ||||
| 7907 | // Next we need to look at the relocations to find out what objects are | |||
| 7908 | // actually being referred to. | |||
| 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 | // Finally, we're ready to print the data we've gathered. | |||
| 7929 | outs() << "Contents of __compact_unwind section:\n"; | |||
| 7930 | for (auto &Entry : CompactUnwinds) { | |||
| 7931 | outs() << " Entry at offset " | |||
| 7932 | << format("0x%" PRIx32"x", Entry.OffsetInSection) << ":\n"; | |||
| 7933 | ||||
| 7934 | // 1. Start of the region this entry applies to. | |||
| 7935 | outs() << " start: " << format("0x%" PRIx64"llx", | |||
| 7936 | Entry.FunctionAddr) << ' '; | |||
| 7937 | printUnwindRelocDest(Obj, Symbols, Entry.FunctionReloc, Entry.FunctionAddr); | |||
| 7938 | outs() << '\n'; | |||
| 7939 | ||||
| 7940 | // 2. Length of the region this entry applies to. | |||
| 7941 | outs() << " length: " << format("0x%" PRIx32"x", Entry.Length) | |||
| 7942 | << '\n'; | |||
| 7943 | // 3. The 32-bit compact encoding. | |||
| 7944 | outs() << " compact encoding: " | |||
| 7945 | << format("0x%08" PRIx32"x", Entry.CompactEncoding) << '\n'; | |||
| 7946 | ||||
| 7947 | // 4. The personality function, if present. | |||
| 7948 | if (Entry.PersonalityReloc.getObject()) { | |||
| 7949 | outs() << " personality function: " | |||
| 7950 | << format("0x%" PRIx64"llx", Entry.PersonalityAddr) << ' '; | |||
| 7951 | printUnwindRelocDest(Obj, Symbols, Entry.PersonalityReloc, | |||
| 7952 | Entry.PersonalityAddr); | |||
| 7953 | outs() << '\n'; | |||
| 7954 | } | |||
| 7955 | ||||
| 7956 | // 5. This entry's language-specific data area. | |||
| 7957 | if (Entry.LSDAReloc.getObject()) { | |||
| 7958 | outs() << " LSDA: " << format("0x%" PRIx64"llx", | |||
| 7959 | Entry.LSDAAddr) << ' '; | |||
| 7960 | printUnwindRelocDest(Obj, Symbols, Entry.LSDAReloc, Entry.LSDAAddr); | |||
| 7961 | outs() << '\n'; | |||
| 7962 | } | |||
| 7963 | } | |||
| 7964 | } | |||
| 7965 | ||||
| 7966 | //===----------------------------------------------------------------------===// | |||
| 7967 | // __unwind_info section dumping | |||
| 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")((void)0); | |||
| 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"x", FunctionOffset) | |||
| 7986 | << ", " | |||
| 7987 | << "encoding=" << format("0x%08" PRIx32"x", 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")((void)0); | |||
| 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"x", 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"x", FunctionOffset) | |||
| 8031 | << ", " | |||
| 8032 | << "encoding[" << EncodingIdx | |||
| 8033 | << "]=" << format("0x%08" PRIx32"x", 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 | // Section header | |||
| 8054 | //===---------------------------------- | |||
| 8055 | ||||
| 8056 | uint32_t Version = readNext<uint32_t>(Contents, Pos); | |||
| 8057 | outs() << " Version: " | |||
| 8058 | << format("0x%" PRIx32"x", 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"x", CommonEncodingsStart) << '\n'; | |||
| 8067 | uint32_t NumCommonEncodings = readNext<uint32_t>(Contents, Pos); | |||
| 8068 | outs() << " Number of common encodings in array: " | |||
| 8069 | << format("0x%" PRIx32"x", NumCommonEncodings) << '\n'; | |||
| 8070 | ||||
| 8071 | uint32_t PersonalitiesStart = readNext<uint32_t>(Contents, Pos); | |||
| 8072 | outs() << " Personality function array section offset: " | |||
| 8073 | << format("0x%" PRIx32"x", PersonalitiesStart) << '\n'; | |||
| 8074 | uint32_t NumPersonalities = readNext<uint32_t>(Contents, Pos); | |||
| 8075 | outs() << " Number of personality functions in array: " | |||
| 8076 | << format("0x%" PRIx32"x", NumPersonalities) << '\n'; | |||
| 8077 | ||||
| 8078 | uint32_t IndicesStart = readNext<uint32_t>(Contents, Pos); | |||
| 8079 | outs() << " Index array section offset: " | |||
| 8080 | << format("0x%" PRIx32"x", IndicesStart) << '\n'; | |||
| 8081 | uint32_t NumIndices = readNext<uint32_t>(Contents, Pos); | |||
| 8082 | outs() << " Number of indices in array: " | |||
| 8083 | << format("0x%" PRIx32"x", NumIndices) << '\n'; | |||
| 8084 | ||||
| 8085 | //===---------------------------------- | |||
| 8086 | // A shared list of common encodings | |||
| 8087 | //===---------------------------------- | |||
| 8088 | ||||
| 8089 | // These occupy indices in the range [0, N] whenever an encoding is referenced | |||
| 8090 | // from a compressed 2nd level index table. In practice the linker only | |||
| 8091 | // creates ~128 of these, so that indices are available to embed encodings in | |||
| 8092 | // the 2nd level index. | |||
| 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"x", Encoding) | |||
| 8102 | << '\n'; | |||
| 8103 | } | |||
| 8104 | ||||
| 8105 | //===---------------------------------- | |||
| 8106 | // Personality functions used in this executable | |||
| 8107 | //===---------------------------------- | |||
| 8108 | ||||
| 8109 | // There should be only a handful of these (one per source language, | |||
| 8110 | // roughly). Particularly since they only get 2 bits in the compact encoding. | |||
| 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"x", PersonalityFn) << '\n'; | |||
| 8118 | } | |||
| 8119 | ||||
| 8120 | //===---------------------------------- | |||
| 8121 | // The level 1 index entries | |||
| 8122 | //===---------------------------------- | |||
| 8123 | ||||
| 8124 | // These specify an approximate place to start searching for the more detailed | |||
| 8125 | // information, sorted by PC. | |||
| 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"x", Entry.FunctionOffset) | |||
| 8147 | << ", " | |||
| 8148 | << "2nd level page offset=" | |||
| 8149 | << format("0x%08" PRIx32"x", Entry.SecondLevelPageStart) << ", " | |||
| 8150 | << "LSDA offset=" << format("0x%08" PRIx32"x", Entry.LSDAStart) << '\n'; | |||
| 8151 | } | |||
| 8152 | ||||
| 8153 | //===---------------------------------- | |||
| 8154 | // Next come the LSDA tables | |||
| 8155 | //===---------------------------------- | |||
| 8156 | ||||
| 8157 | // The LSDA layout is rather implicit: it's a contiguous array of entries from | |||
| 8158 | // the first top-level index's LSDAOffset to the last (sentinel). | |||
| 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"x", FunctionOffset) | |||
| 8171 | << ", " | |||
| 8172 | << "LSDA offset=" << format("0x%08" PRIx32"x", LSDAOffset) << '\n'; | |||
| 8173 | } | |||
| 8174 | ||||
| 8175 | //===---------------------------------- | |||
| 8176 | // Finally, the 2nd level indices | |||
| 8177 | //===---------------------------------- | |||
| 8178 | ||||
| 8179 | // Generally these are 4K in size, and have 2 possible forms: | |||
| 8180 | // + Regular stores up to 511 entries with disparate encodings | |||
| 8181 | // + Compressed stores up to 1021 entries if few enough compact encoding | |||
| 8182 | // values are used. | |||
| 8183 | outs() << " Second level indices:\n"; | |||
| 8184 | for (unsigned i = 0; i < IndexEntries.size() - 1; ++i) { | |||
| 8185 | // The final sentinel top-level index has no associated 2nd level page | |||
| 8186 | if (IndexEntries[i].SecondLevelPageStart == 0) | |||
| 8187 | break; | |||
| 8188 | ||||
| 8189 | outs() << " Second level index[" << i << "]: " | |||
| 8190 | << "offset in section=" | |||
| 8191 | << format("0x%08" PRIx32"x", IndexEntries[i].SecondLevelPageStart) | |||
| 8192 | << ", " | |||
| 8193 | << "base function offset=" | |||
| 8194 | << format("0x%08" PRIx32"x", 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 | // Discard any undefined or absolute symbols. They're not going to take part | |||
| 8220 | // in the convenience lookup for unwind info and just take up resources. | |||
| 8221 | auto SectOrErr = SymRef.getSection(); | |||
| 8222 | if (!SectOrErr) { | |||
| 8223 | // TODO: Actually report errors helpfully. | |||
| 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"x", 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"x", | |||
| 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"x", f); | |||
| 8534 | } else { | |||
| 8535 | outs() << format(" 0x%08" PRIx32"x", magic); | |||
| 8536 | outs() << format(" %7d", cputype); | |||
| 8537 | outs() << format(" %10d", cpusubtype & ~MachO::CPU_SUBTYPE_MASK); | |||
| 8538 | outs() << format(" 0x%02" PRIx32"x", | |||
| 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"x", 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"llx", vmaddr) << "\n"; | |||
| 8575 | outs() << " vmsize " << format("0x%016" PRIx64"llx", vmsize) << "\n"; | |||
| 8576 | } else { | |||
| 8577 | outs() << " vmaddr " << format("0x%08" PRIx64"llx", vmaddr) << "\n"; | |||
| 8578 | outs() << " vmsize " << format("0x%08" PRIx64"llx", 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"x", 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"x", 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"x", maxprot) << "\n"; | |||
| 8613 | outs() << " initprot " << format("0x%08" PRIx32"x", 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"x", flags) << " (unknown flags)\n"; | |||
| 8639 | else | |||
| 8640 | outs() << "\n"; | |||
| 8641 | } | |||
| 8642 | } else { | |||
| 8643 | outs() << " flags " << format("0x%" PRIx32"x", 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"llx", addr) << "\n"; | |||
| 8663 | outs() << " size " << format("0x%016" PRIx64"llx", size); | |||
| 8664 | } else { | |||
| 8665 | outs() << " addr " << format("0x%08" PRIx64"llx", addr) << "\n"; | |||
| 8666 | outs() << " size " << format("0x%08" PRIx64"llx", 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"x", 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"x", 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"X", 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")__builtin_unreachable(); | |||
| 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"x", 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"llx", 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"x", cpu32.eax); | |||
| 9383 | outs() << " ebx " << format("0x%08" PRIx32"x", cpu32.ebx); | |||
| 9384 | outs() << " ecx " << format("0x%08" PRIx32"x", cpu32.ecx); | |||
| 9385 | outs() << " edx " << format("0x%08" PRIx32"x", cpu32.edx) << "\n"; | |||
| 9386 | outs() << "\t edi " << format("0x%08" PRIx32"x", cpu32.edi); | |||
| 9387 | outs() << " esi " << format("0x%08" PRIx32"x", cpu32.esi); | |||
| 9388 | outs() << " ebp " << format("0x%08" PRIx32"x", cpu32.ebp); | |||
| 9389 | outs() << " esp " << format("0x%08" PRIx32"x", cpu32.esp) << "\n"; | |||
| 9390 | outs() << "\t ss " << format("0x%08" PRIx32"x", cpu32.ss); | |||
| 9391 | outs() << " eflags " << format("0x%08" PRIx32"x", cpu32.eflags); | |||
| 9392 | outs() << " eip " << format("0x%08" PRIx32"x", cpu32.eip); | |||
| 9393 | outs() << " cs " << format("0x%08" PRIx32"x", cpu32.cs) << "\n"; | |||
| 9394 | outs() << "\t ds " << format("0x%08" PRIx32"x", cpu32.ds); | |||
| 9395 | outs() << " es " << format("0x%08" PRIx32"x", cpu32.es); | |||
| 9396 | outs() << " fs " << format("0x%08" PRIx32"x", cpu32.fs); | |||
| 9397 | outs() << " gs " << format("0x%08" PRIx32"x", 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"llx", cpu64.rax); | |||
| 9402 | outs() << " rbx " << format("0x%016" PRIx64"llx", cpu64.rbx); | |||
| 9403 | outs() << " rcx " << format("0x%016" PRIx64"llx", cpu64.rcx) << "\n"; | |||
| 9404 | outs() << " rdx " << format("0x%016" PRIx64"llx", cpu64.rdx); | |||
| 9405 | outs() << " rdi " << format("0x%016" PRIx64"llx", cpu64.rdi); | |||
| 9406 | outs() << " rsi " << format("0x%016" PRIx64"llx", cpu64.rsi) << "\n"; | |||
| 9407 | outs() << " rbp " << format("0x%016" PRIx64"llx", cpu64.rbp); | |||
| 9408 | outs() << " rsp " << format("0x%016" PRIx64"llx", cpu64.rsp); | |||
| 9409 | outs() << " r8 " << format("0x%016" PRIx64"llx", cpu64.r8) << "\n"; | |||
| 9410 | outs() << " r9 " << format("0x%016" PRIx64"llx", cpu64.r9); | |||
| 9411 | outs() << " r10 " << format("0x%016" PRIx64"llx", cpu64.r10); | |||
| 9412 | outs() << " r11 " << format("0x%016" PRIx64"llx", cpu64.r11) << "\n"; | |||
| 9413 | outs() << " r12 " << format("0x%016" PRIx64"llx", cpu64.r12); | |||
| 9414 | outs() << " r13 " << format("0x%016" PRIx64"llx", cpu64.r13); | |||
| 9415 | outs() << " r14 " << format("0x%016" PRIx64"llx", cpu64.r14) << "\n"; | |||
| 9416 | outs() << " r15 " << format("0x%016" PRIx64"llx", cpu64.r15); | |||
| 9417 | outs() << " rip " << format("0x%016" PRIx64"llx", cpu64.rip) << "\n"; | |||
| 9418 | outs() << "rflags " << format("0x%016" PRIx64"llx", cpu64.rflags); | |||
| 9419 | outs() << " cs " << format("0x%016" PRIx64"llx", cpu64.cs); | |||
| 9420 | outs() << " fs " << format("0x%016" PRIx64"llx", cpu64.fs) << "\n"; | |||
| 9421 | outs() << " gs " << format("0x%016" PRIx64"llx", 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"x", (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"x", (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"x", (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"x", fpu.fpu_ftw); | |||
| 9487 | outs() << " fpu_rsrv1 " << format("0x%02" PRIx32"x", fpu.fpu_rsrv1); | |||
| 9488 | outs() << " fpu_fop " << format("0x%04" PRIx32"x", fpu.fpu_fop); | |||
| 9489 | outs() << " fpu_ip " << format("0x%08" PRIx32"x", fpu.fpu_ip) << "\n"; | |||
| 9490 | outs() << "\t fpu_cs " << format("0x%04" PRIx32"x", fpu.fpu_cs); | |||
| 9491 | outs() << " fpu_rsrv2 " << format("0x%04" PRIx32"x", fpu.fpu_rsrv2); | |||
| 9492 | outs() << " fpu_dp " << format("0x%08" PRIx32"x", fpu.fpu_dp); | |||
| 9493 | outs() << " fpu_ds " << format("0x%04" PRIx32"x", fpu.fpu_ds) << "\n"; | |||
| 9494 | outs() << "\t fpu_rsrv3 " << format("0x%04" PRIx32"x", fpu.fpu_rsrv3); | |||
| 9495 | outs() << " fpu_mxcsr " << format("0x%08" PRIx32"x", fpu.fpu_mxcsr); | |||
| 9496 | outs() << " fpu_mxcsrmask " << format("0x%08" PRIx32"x", 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"x", fpu.fpu_rsrv4[f * g]) << " "; | |||
| 9551 | outs() << "\n"; | |||
| 9552 | } | |||
| 9553 | outs() << "\t fpu_reserved1 " << format("0x%08" PRIx32"x", 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"x", exc64.trapno); | |||
| 9559 | outs() << " err " << format("0x%08" PRIx32"x", exc64.err); | |||
| 9560 | outs() << " faultvaddr " << format("0x%016" PRIx64"llx", 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"x", cpu32.r[0]); | |||
| 9565 | outs() << " r1 " << format("0x%08" PRIx32"x", cpu32.r[1]); | |||
| 9566 | outs() << " r2 " << format("0x%08" PRIx32"x", cpu32.r[2]); | |||
| 9567 | outs() << " r3 " << format("0x%08" PRIx32"x", cpu32.r[3]) << "\n"; | |||
| 9568 | outs() << "\t r4 " << format("0x%08" PRIx32"x", cpu32.r[4]); | |||
| 9569 | outs() << " r5 " << format("0x%08" PRIx32"x", cpu32.r[5]); | |||
| 9570 | outs() << " r6 " << format("0x%08" PRIx32"x", cpu32.r[6]); | |||
| 9571 | outs() << " r7 " << format("0x%08" PRIx32"x", cpu32.r[7]) << "\n"; | |||
| 9572 | outs() << "\t r8 " << format("0x%08" PRIx32"x", cpu32.r[8]); | |||
| 9573 | outs() << " r9 " << format("0x%08" PRIx32"x", cpu32.r[9]); | |||
| 9574 | outs() << " r10 " << format("0x%08" PRIx32"x", cpu32.r[10]); | |||
| 9575 | outs() << " r11 " << format("0x%08" PRIx32"x", cpu32.r[11]) << "\n"; | |||
| 9576 | outs() << "\t r12 " << format("0x%08" PRIx32"x", cpu32.r[12]); | |||
| 9577 | outs() << " sp " << format("0x%08" PRIx32"x", cpu32.sp); | |||
| 9578 | outs() << " lr " << format("0x%08" PRIx32"x", cpu32.lr); | |||
| 9579 | outs() << " pc " << format("0x%08" PRIx32"x", cpu32.pc) << "\n"; | |||
| 9580 | outs() << "\t cpsr " << format("0x%08" PRIx32"x", 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"llx", cpu64.x[0]); | |||
| 9585 | outs() << " x1 " << format("0x%016" PRIx64"llx", cpu64.x[1]); | |||
| 9586 | outs() << " x2 " << format("0x%016" PRIx64"llx", cpu64.x[2]) << "\n"; | |||
| 9587 | outs() << "\t x3 " << format("0x%016" PRIx64"llx", cpu64.x[3]); | |||
| 9588 | outs() << " x4 " << format("0x%016" PRIx64"llx", cpu64.x[4]); | |||
| 9589 | outs() << " x5 " << format("0x%016" PRIx64"llx", cpu64.x[5]) << "\n"; | |||
| 9590 | outs() << "\t x6 " << format("0x%016" PRIx64"llx", cpu64.x[6]); | |||
| 9591 | outs() << " x7 " << format("0x%016" PRIx64"llx", cpu64.x[7]); | |||
| 9592 | outs() << " x8 " << format("0x%016" PRIx64"llx", cpu64.x[8]) << "\n"; | |||
| 9593 | outs() << "\t x9 " << format("0x%016" PRIx64"llx", cpu64.x[9]); | |||
| 9594 | outs() << " x10 " << format("0x%016" PRIx64"llx", cpu64.x[10]); | |||
| 9595 | outs() << " x11 " << format("0x%016" PRIx64"llx", cpu64.x[11]) << "\n"; | |||
| 9596 | outs() << "\t x12 " << format("0x%016" PRIx64"llx", cpu64.x[12]); | |||
| 9597 | outs() << " x13 " << format("0x%016" PRIx64"llx", cpu64.x[13]); | |||
| 9598 | outs() << " x14 " << format("0x%016" PRIx64"llx", cpu64.x[14]) << "\n"; | |||
| 9599 | outs() << "\t x15 " << format("0x%016" PRIx64"llx", cpu64.x[15]); | |||
| 9600 | outs() << " x16 " << format("0x%016" PRIx64"llx", cpu64.x[16]); | |||
| 9601 | outs() << " x17 " << format("0x%016" PRIx64"llx", cpu64.x[17]) << "\n"; | |||
| 9602 | outs() << "\t x18 " << format("0x%016" PRIx64"llx", cpu64.x[18]); | |||
| 9603 | outs() << " x19 " << format("0x%016" PRIx64"llx", cpu64.x[19]); | |||
| 9604 | outs() << " x20 " << format("0x%016" PRIx64"llx", cpu64.x[20]) << "\n"; | |||
| 9605 | outs() << "\t x21 " << format("0x%016" PRIx64"llx", cpu64.x[21]); | |||
| 9606 | outs() << " x22 " << format("0x%016" PRIx64"llx", cpu64.x[22]); | |||
| 9607 | outs() << " x23 " << format("0x%016" PRIx64"llx", cpu64.x[23]) << "\n"; | |||
| 9608 | outs() << "\t x24 " << format("0x%016" PRIx64"llx", cpu64.x[24]); | |||
| 9609 | outs() << " x25 " << format("0x%016" PRIx64"llx", cpu64.x[25]); | |||
| 9610 | outs() << " x26 " << format("0x%016" PRIx64"llx", cpu64.x[26]) << "\n"; | |||
| 9611 | outs() << "\t x27 " << format("0x%016" PRIx64"llx", cpu64.x[27]); | |||
| 9612 | outs() << " x28 " << format("0x%016" PRIx64"llx", cpu64.x[28]); | |||
| 9613 | outs() << " fp " << format("0x%016" PRIx64"llx", cpu64.fp) << "\n"; | |||
| 9614 | outs() << "\t lr " << format("0x%016" PRIx64"llx", cpu64.lr); | |||
| 9615 | outs() << " sp " << format("0x%016" PRIx64"llx", cpu64.sp); | |||
| 9616 | outs() << " pc " << format("0x%016" PRIx64"llx", cpu64.pc) << "\n"; | |||
| 9617 | outs() << "\t cpsr " << format("0x%08" PRIx32"x", 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"x", Command.C.cmd) | |||
| 10205 | << ")\n"; | |||
| 10206 | outs() << " cmdsize " << Command.C.cmdsize << "\n"; | |||
| 10207 | // TODO: get and print the raw bytes of the load command. | |||
| 10208 | } | |||
| 10209 | // TODO: print all the other kinds of load commands. | |||
| 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 | // export trie dumping | |||
| 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 | // rebase table dumping | |||
| 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 | // Table lines look like: __DATA __nl_symbol_ptr 0x0000F00C pointer | |||
| 10328 | outs() << format("%-8s %-18s 0x%08" PRIX64"llX" " %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 | // bind table dumping | |||
| 10359 | //===----------------------------------------------------------------------===// | |||
| 10360 | ||||
| 10361 | static void printMachOBindTable(object::MachOObjectFile *Obj) { | |||
| 10362 | // Build table of sections so names can used in final output. | |||
| 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 | // Table lines look like: | |||
| 10372 | // __DATA __got 0x00012010 pointer 0 libSystem ___stack_chk_guard | |||
| 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 | // lazy bind table dumping | |||
| 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 | // Table lines look like: | |||
| 10402 | // __DATA __got 0x00012010 libSystem ___stack_chk_guard | |||
| 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 | // weak bind table dumping | |||
| 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 | // Strong symbols don't have a location to update. | |||
| 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 | // Table lines look like: | |||
| 10433 | // __DATA __data 0x00001000 pointer 0 _foo | |||
| 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 | // get_dyld_bind_info_symbolname() is used for disassembly and passed an | |||
| 10446 | // address, ReferenceValue, in the Mach-O file and looks in the dyld bind | |||
| 10447 | // information for that address. If the address is found its binding symbol | |||
| 10448 | // name is returned. If not nullptr is returned. | |||
| 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 | } |
| 1 | // -*- C++ -*- |
| 2 | //===----------------------------------------------------------------------===// |
| 3 | // |
| 4 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| 5 | // See https://llvm.org/LICENSE.txt for license information. |
| 6 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| 7 | // |
| 8 | //===----------------------------------------------------------------------===// |
| 9 | |
| 10 | #ifndef _LIBCPP___ITERATOR_WRAP_ITER_H |
| 11 | #define _LIBCPP___ITERATOR_WRAP_ITER_H |
| 12 | |
| 13 | #include <__config> |
| 14 | #include <__debug> |
| 15 | #include <__iterator/iterator_traits.h> |
| 16 | #include <__memory/pointer_traits.h> // __to_address |
| 17 | #include <type_traits> |
| 18 | |
| 19 | #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) |
| 20 | #pragma GCC system_header |
| 21 | #endif |
| 22 | |
| 23 | _LIBCPP_PUSH_MACROSpush_macro("min") push_macro("max") |
| 24 | #include <__undef_macros> |
| 25 | |
| 26 | _LIBCPP_BEGIN_NAMESPACE_STDnamespace std { inline namespace __1 { |
| 27 | |
| 28 | template <class _Iter> |
| 29 | class __wrap_iter |
| 30 | { |
| 31 | public: |
| 32 | typedef _Iter iterator_type; |
| 33 | typedef typename iterator_traits<iterator_type>::value_type value_type; |
| 34 | typedef typename iterator_traits<iterator_type>::difference_type difference_type; |
| 35 | typedef typename iterator_traits<iterator_type>::pointer pointer; |
| 36 | typedef typename iterator_traits<iterator_type>::reference reference; |
| 37 | typedef typename iterator_traits<iterator_type>::iterator_category iterator_category; |
| 38 | #if _LIBCPP_STD_VER14 > 17 |
| 39 | typedef contiguous_iterator_tag iterator_concept; |
| 40 | #endif |
| 41 | |
| 42 | private: |
| 43 | iterator_type __i; |
| 44 | public: |
| 45 | _LIBCPP_INLINE_VISIBILITY__attribute__ ((__visibility__("hidden"))) __attribute__ ((__exclude_from_explicit_instantiation__ )) _LIBCPP_CONSTEXPR_IF_NODEBUGconstexpr __wrap_iter() _NOEXCEPTnoexcept |
| 46 | #if _LIBCPP_STD_VER14 > 11 |
| 47 | : __i{} |
| 48 | #endif |
| 49 | { |
| 50 | #if _LIBCPP_DEBUG_LEVEL0 == 2 |
| 51 | __get_db()->__insert_i(this); |
| 52 | #endif |
| 53 | } |
| 54 | template <class _Up> _LIBCPP_INLINE_VISIBILITY__attribute__ ((__visibility__("hidden"))) __attribute__ ((__exclude_from_explicit_instantiation__ )) _LIBCPP_CONSTEXPR_IF_NODEBUGconstexpr |
| 55 | __wrap_iter(const __wrap_iter<_Up>& __u, |
| 56 | typename enable_if<is_convertible<_Up, iterator_type>::value>::type* = nullptr) _NOEXCEPTnoexcept |
| 57 | : __i(__u.base()) |
| 58 | { |
| 59 | #if _LIBCPP_DEBUG_LEVEL0 == 2 |
| 60 | __get_db()->__iterator_copy(this, &__u); |
| 61 | #endif |
| 62 | } |
| 63 | #if _LIBCPP_DEBUG_LEVEL0 == 2 |
| 64 | _LIBCPP_INLINE_VISIBILITY__attribute__ ((__visibility__("hidden"))) __attribute__ ((__exclude_from_explicit_instantiation__ )) _LIBCPP_CONSTEXPR_IF_NODEBUGconstexpr |
| 65 | __wrap_iter(const __wrap_iter& __x) |
| 66 | : __i(__x.base()) |
| 67 | { |
| 68 | __get_db()->__iterator_copy(this, &__x); |
| 69 | } |
| 70 | _LIBCPP_INLINE_VISIBILITY__attribute__ ((__visibility__("hidden"))) __attribute__ ((__exclude_from_explicit_instantiation__ )) _LIBCPP_CONSTEXPR_IF_NODEBUGconstexpr |
| 71 | __wrap_iter& operator=(const __wrap_iter& __x) |
| 72 | { |
| 73 | if (this != &__x) |
| 74 | { |
| 75 | __get_db()->__iterator_copy(this, &__x); |
| 76 | __i = __x.__i; |
| 77 | } |
| 78 | return *this; |
| 79 | } |
| 80 | _LIBCPP_INLINE_VISIBILITY__attribute__ ((__visibility__("hidden"))) __attribute__ ((__exclude_from_explicit_instantiation__ )) _LIBCPP_CONSTEXPR_IF_NODEBUGconstexpr |
| 81 | ~__wrap_iter() |
| 82 | { |
| 83 | __get_db()->__erase_i(this); |
| 84 | } |
| 85 | #endif |
| 86 | _LIBCPP_INLINE_VISIBILITY__attribute__ ((__visibility__("hidden"))) __attribute__ ((__exclude_from_explicit_instantiation__ )) _LIBCPP_CONSTEXPR_IF_NODEBUGconstexpr reference operator*() const _NOEXCEPTnoexcept |
| 87 | { |
| 88 | #if _LIBCPP_DEBUG_LEVEL0 == 2 |
| 89 | _LIBCPP_ASSERT(__get_const_db()->__dereferenceable(this),((void)0) |
| 90 | "Attempted to dereference a non-dereferenceable iterator")((void)0); |
| 91 | #endif |
| 92 | return *__i; |
| 93 | } |
| 94 | _LIBCPP_INLINE_VISIBILITY__attribute__ ((__visibility__("hidden"))) __attribute__ ((__exclude_from_explicit_instantiation__ )) _LIBCPP_CONSTEXPR_IF_NODEBUGconstexpr pointer operator->() const _NOEXCEPTnoexcept |
| 95 | { |
| 96 | #if _LIBCPP_DEBUG_LEVEL0 == 2 |
| 97 | _LIBCPP_ASSERT(__get_const_db()->__dereferenceable(this),((void)0) |
| 98 | "Attempted to dereference a non-dereferenceable iterator")((void)0); |
| 99 | #endif |
| 100 | return _VSTDstd::__1::__to_address(__i); |
| 101 | } |
| 102 | _LIBCPP_INLINE_VISIBILITY__attribute__ ((__visibility__("hidden"))) __attribute__ ((__exclude_from_explicit_instantiation__ )) _LIBCPP_CONSTEXPR_IF_NODEBUGconstexpr __wrap_iter& operator++() _NOEXCEPTnoexcept |
| 103 | { |
| 104 | #if _LIBCPP_DEBUG_LEVEL0 == 2 |
| 105 | _LIBCPP_ASSERT(__get_const_db()->__dereferenceable(this),((void)0) |
| 106 | "Attempted to increment a non-incrementable iterator")((void)0); |
| 107 | #endif |
| 108 | ++__i; |
| 109 | return *this; |
| 110 | } |
| 111 | _LIBCPP_INLINE_VISIBILITY__attribute__ ((__visibility__("hidden"))) __attribute__ ((__exclude_from_explicit_instantiation__ )) _LIBCPP_CONSTEXPR_IF_NODEBUGconstexpr __wrap_iter operator++(int) _NOEXCEPTnoexcept |
| 112 | {__wrap_iter __tmp(*this); ++(*this); return __tmp;} |
| 113 | |
| 114 | _LIBCPP_INLINE_VISIBILITY__attribute__ ((__visibility__("hidden"))) __attribute__ ((__exclude_from_explicit_instantiation__ )) _LIBCPP_CONSTEXPR_IF_NODEBUGconstexpr __wrap_iter& operator--() _NOEXCEPTnoexcept |
| 115 | { |
| 116 | #if _LIBCPP_DEBUG_LEVEL0 == 2 |
| 117 | _LIBCPP_ASSERT(__get_const_db()->__decrementable(this),((void)0) |
| 118 | "Attempted to decrement a non-decrementable iterator")((void)0); |
| 119 | #endif |
| 120 | --__i; |
| 121 | return *this; |
| 122 | } |
| 123 | _LIBCPP_INLINE_VISIBILITY__attribute__ ((__visibility__("hidden"))) __attribute__ ((__exclude_from_explicit_instantiation__ )) _LIBCPP_CONSTEXPR_IF_NODEBUGconstexpr __wrap_iter operator--(int) _NOEXCEPTnoexcept |
| 124 | {__wrap_iter __tmp(*this); --(*this); return __tmp;} |
| 125 | _LIBCPP_INLINE_VISIBILITY__attribute__ ((__visibility__("hidden"))) __attribute__ ((__exclude_from_explicit_instantiation__ )) _LIBCPP_CONSTEXPR_IF_NODEBUGconstexpr __wrap_iter operator+ (difference_type __n) const _NOEXCEPTnoexcept |
| 126 | {__wrap_iter __w(*this); __w += __n; return __w;} |
| 127 | _LIBCPP_INLINE_VISIBILITY__attribute__ ((__visibility__("hidden"))) __attribute__ ((__exclude_from_explicit_instantiation__ )) _LIBCPP_CONSTEXPR_IF_NODEBUGconstexpr __wrap_iter& operator+=(difference_type __n) _NOEXCEPTnoexcept |
| 128 | { |
| 129 | #if _LIBCPP_DEBUG_LEVEL0 == 2 |
| 130 | _LIBCPP_ASSERT(__get_const_db()->__addable(this, __n),((void)0) |
| 131 | "Attempted to add/subtract an iterator outside its valid range")((void)0); |
| 132 | #endif |
| 133 | __i += __n; |
| 134 | return *this; |
| 135 | } |
| 136 | _LIBCPP_INLINE_VISIBILITY__attribute__ ((__visibility__("hidden"))) __attribute__ ((__exclude_from_explicit_instantiation__ )) _LIBCPP_CONSTEXPR_IF_NODEBUGconstexpr __wrap_iter operator- (difference_type __n) const _NOEXCEPTnoexcept |
| 137 | {return *this + (-__n);} |
| 138 | _LIBCPP_INLINE_VISIBILITY__attribute__ ((__visibility__("hidden"))) __attribute__ ((__exclude_from_explicit_instantiation__ )) _LIBCPP_CONSTEXPR_IF_NODEBUGconstexpr __wrap_iter& operator-=(difference_type __n) _NOEXCEPTnoexcept |
| 139 | {*this += -__n; return *this;} |
| 140 | _LIBCPP_INLINE_VISIBILITY__attribute__ ((__visibility__("hidden"))) __attribute__ ((__exclude_from_explicit_instantiation__ )) _LIBCPP_CONSTEXPR_IF_NODEBUGconstexpr reference operator[](difference_type __n) const _NOEXCEPTnoexcept |
| 141 | { |
| 142 | #if _LIBCPP_DEBUG_LEVEL0 == 2 |
| 143 | _LIBCPP_ASSERT(__get_const_db()->__subscriptable(this, __n),((void)0) |
| 144 | "Attempted to subscript an iterator outside its valid range")((void)0); |
| 145 | #endif |
| 146 | return __i[__n]; |
| 147 | } |
| 148 | |
| 149 | _LIBCPP_INLINE_VISIBILITY__attribute__ ((__visibility__("hidden"))) __attribute__ ((__exclude_from_explicit_instantiation__ )) _LIBCPP_CONSTEXPR_IF_NODEBUGconstexpr iterator_type base() const _NOEXCEPTnoexcept {return __i;} |
| 150 | |
| 151 | private: |
| 152 | #if _LIBCPP_DEBUG_LEVEL0 == 2 |
| 153 | _LIBCPP_INLINE_VISIBILITY__attribute__ ((__visibility__("hidden"))) __attribute__ ((__exclude_from_explicit_instantiation__ )) _LIBCPP_CONSTEXPR_IF_NODEBUGconstexpr __wrap_iter(const void* __p, iterator_type __x) : __i(__x) |
| 154 | { |
| 155 | __get_db()->__insert_ic(this, __p); |
| 156 | } |
| 157 | #else |
| 158 | _LIBCPP_INLINE_VISIBILITY__attribute__ ((__visibility__("hidden"))) __attribute__ ((__exclude_from_explicit_instantiation__ )) _LIBCPP_CONSTEXPR_IF_NODEBUGconstexpr __wrap_iter(iterator_type __x) _NOEXCEPTnoexcept : __i(__x) {} |
| 159 | #endif |
| 160 | |
| 161 | template <class _Up> friend class __wrap_iter; |
| 162 | template <class _CharT, class _Traits, class _Alloc> friend class basic_string; |
| 163 | template <class _Tp, class _Alloc> friend class _LIBCPP_TEMPLATE_VIS__attribute__ ((__type_visibility__("default"))) vector; |
| 164 | template <class _Tp, size_t> friend class _LIBCPP_TEMPLATE_VIS__attribute__ ((__type_visibility__("default"))) span; |
| 165 | }; |
| 166 | |
| 167 | template <class _Iter1> |
| 168 | _LIBCPP_INLINE_VISIBILITY__attribute__ ((__visibility__("hidden"))) __attribute__ ((__exclude_from_explicit_instantiation__ )) _LIBCPP_CONSTEXPR_IF_NODEBUGconstexpr |
| 169 | bool operator==(const __wrap_iter<_Iter1>& __x, const __wrap_iter<_Iter1>& __y) _NOEXCEPTnoexcept |
| 170 | { |
| 171 | return __x.base() == __y.base(); |
| 172 | } |
| 173 | |
| 174 | template <class _Iter1, class _Iter2> |
| 175 | _LIBCPP_INLINE_VISIBILITY__attribute__ ((__visibility__("hidden"))) __attribute__ ((__exclude_from_explicit_instantiation__ )) _LIBCPP_CONSTEXPR_IF_NODEBUGconstexpr |
| 176 | bool operator==(const __wrap_iter<_Iter1>& __x, const __wrap_iter<_Iter2>& __y) _NOEXCEPTnoexcept |
| 177 | { |
| 178 | return __x.base() == __y.base(); |
| 179 | } |
| 180 | |
| 181 | template <class _Iter1> |
| 182 | _LIBCPP_INLINE_VISIBILITY__attribute__ ((__visibility__("hidden"))) __attribute__ ((__exclude_from_explicit_instantiation__ )) _LIBCPP_CONSTEXPR_IF_NODEBUGconstexpr |
| 183 | bool operator<(const __wrap_iter<_Iter1>& __x, const __wrap_iter<_Iter1>& __y) _NOEXCEPTnoexcept |
| 184 | { |
| 185 | #if _LIBCPP_DEBUG_LEVEL0 == 2 |
| 186 | _LIBCPP_ASSERT(__get_const_db()->__less_than_comparable(&__x, &__y),((void)0) |
| 187 | "Attempted to compare incomparable iterators")((void)0); |
| 188 | #endif |
| 189 | return __x.base() < __y.base(); |
| 190 | } |
| 191 | |
| 192 | template <class _Iter1, class _Iter2> |
| 193 | _LIBCPP_INLINE_VISIBILITY__attribute__ ((__visibility__("hidden"))) __attribute__ ((__exclude_from_explicit_instantiation__ )) _LIBCPP_CONSTEXPR_IF_NODEBUGconstexpr |
| 194 | bool operator<(const __wrap_iter<_Iter1>& __x, const __wrap_iter<_Iter2>& __y) _NOEXCEPTnoexcept |
| 195 | { |
| 196 | #if _LIBCPP_DEBUG_LEVEL0 == 2 |
| 197 | _LIBCPP_ASSERT(__get_const_db()->__less_than_comparable(&__x, &__y),((void)0) |
| 198 | "Attempted to compare incomparable iterators")((void)0); |
| 199 | #endif |
| 200 | return __x.base() < __y.base(); |
| 201 | } |
| 202 | |
| 203 | template <class _Iter1> |
| 204 | _LIBCPP_INLINE_VISIBILITY__attribute__ ((__visibility__("hidden"))) __attribute__ ((__exclude_from_explicit_instantiation__ )) _LIBCPP_CONSTEXPR_IF_NODEBUGconstexpr |
| 205 | bool operator!=(const __wrap_iter<_Iter1>& __x, const __wrap_iter<_Iter1>& __y) _NOEXCEPTnoexcept |
| 206 | { |
| 207 | return !(__x == __y); |
| 208 | } |
| 209 | |
| 210 | template <class _Iter1, class _Iter2> |
| 211 | _LIBCPP_INLINE_VISIBILITY__attribute__ ((__visibility__("hidden"))) __attribute__ ((__exclude_from_explicit_instantiation__ )) _LIBCPP_CONSTEXPR_IF_NODEBUGconstexpr |
| 212 | bool operator!=(const __wrap_iter<_Iter1>& __x, const __wrap_iter<_Iter2>& __y) _NOEXCEPTnoexcept |
| 213 | { |
| 214 | return !(__x == __y); |
| 215 | } |
| 216 | |
| 217 | template <class _Iter1> |
| 218 | _LIBCPP_INLINE_VISIBILITY__attribute__ ((__visibility__("hidden"))) __attribute__ ((__exclude_from_explicit_instantiation__ )) _LIBCPP_CONSTEXPR_IF_NODEBUGconstexpr |
| 219 | bool operator>(const __wrap_iter<_Iter1>& __x, const __wrap_iter<_Iter1>& __y) _NOEXCEPTnoexcept |
| 220 | { |
| 221 | return __y < __x; |
| 222 | } |
| 223 | |
| 224 | template <class _Iter1, class _Iter2> |
| 225 | _LIBCPP_INLINE_VISIBILITY__attribute__ ((__visibility__("hidden"))) __attribute__ ((__exclude_from_explicit_instantiation__ )) _LIBCPP_CONSTEXPR_IF_NODEBUGconstexpr |
| 226 | bool operator>(const __wrap_iter<_Iter1>& __x, const __wrap_iter<_Iter2>& __y) _NOEXCEPTnoexcept |
| 227 | { |
| 228 | return __y < __x; |
| 229 | } |
| 230 | |
| 231 | template <class _Iter1> |
| 232 | _LIBCPP_INLINE_VISIBILITY__attribute__ ((__visibility__("hidden"))) __attribute__ ((__exclude_from_explicit_instantiation__ )) _LIBCPP_CONSTEXPR_IF_NODEBUGconstexpr |
| 233 | bool operator>=(const __wrap_iter<_Iter1>& __x, const __wrap_iter<_Iter1>& __y) _NOEXCEPTnoexcept |
| 234 | { |
| 235 | return !(__x < __y); |
| 236 | } |
| 237 | |
| 238 | template <class _Iter1, class _Iter2> |
| 239 | _LIBCPP_INLINE_VISIBILITY__attribute__ ((__visibility__("hidden"))) __attribute__ ((__exclude_from_explicit_instantiation__ )) _LIBCPP_CONSTEXPR_IF_NODEBUGconstexpr |
| 240 | bool operator>=(const __wrap_iter<_Iter1>& __x, const __wrap_iter<_Iter2>& __y) _NOEXCEPTnoexcept |
| 241 | { |
| 242 | return !(__x < __y); |
| 243 | } |
| 244 | |
| 245 | template <class _Iter1> |
| 246 | _LIBCPP_INLINE_VISIBILITY__attribute__ ((__visibility__("hidden"))) __attribute__ ((__exclude_from_explicit_instantiation__ )) _LIBCPP_CONSTEXPR_IF_NODEBUGconstexpr |
| 247 | bool operator<=(const __wrap_iter<_Iter1>& __x, const __wrap_iter<_Iter1>& __y) _NOEXCEPTnoexcept |
| 248 | { |
| 249 | return !(__y < __x); |
| 250 | } |
| 251 | |
| 252 | template <class _Iter1, class _Iter2> |
| 253 | _LIBCPP_INLINE_VISIBILITY__attribute__ ((__visibility__("hidden"))) __attribute__ ((__exclude_from_explicit_instantiation__ )) _LIBCPP_CONSTEXPR_IF_NODEBUGconstexpr |
| 254 | bool operator<=(const __wrap_iter<_Iter1>& __x, const __wrap_iter<_Iter2>& __y) _NOEXCEPTnoexcept |
| 255 | { |
| 256 | return !(__y < __x); |
| 257 | } |
| 258 | |
| 259 | template <class _Iter1, class _Iter2> |
| 260 | _LIBCPP_INLINE_VISIBILITY__attribute__ ((__visibility__("hidden"))) __attribute__ ((__exclude_from_explicit_instantiation__ )) _LIBCPP_CONSTEXPR_IF_NODEBUGconstexpr |
| 261 | #ifndef _LIBCPP_CXX03_LANG |
| 262 | auto operator-(const __wrap_iter<_Iter1>& __x, const __wrap_iter<_Iter2>& __y) _NOEXCEPTnoexcept |
| 263 | -> decltype(__x.base() - __y.base()) |
| 264 | #else |
| 265 | typename __wrap_iter<_Iter1>::difference_type |
| 266 | operator-(const __wrap_iter<_Iter1>& __x, const __wrap_iter<_Iter2>& __y) _NOEXCEPTnoexcept |
| 267 | #endif // C++03 |
| 268 | { |
| 269 | #if _LIBCPP_DEBUG_LEVEL0 == 2 |
| 270 | _LIBCPP_ASSERT(__get_const_db()->__less_than_comparable(&__x, &__y),((void)0) |
| 271 | "Attempted to subtract incompatible iterators")((void)0); |
| 272 | #endif |
| 273 | return __x.base() - __y.base(); |
| 274 | } |
| 275 | |
| 276 | template <class _Iter1> |
| 277 | _LIBCPP_INLINE_VISIBILITY__attribute__ ((__visibility__("hidden"))) __attribute__ ((__exclude_from_explicit_instantiation__ )) _LIBCPP_CONSTEXPR_IF_NODEBUGconstexpr |
| 278 | __wrap_iter<_Iter1> operator+(typename __wrap_iter<_Iter1>::difference_type __n, __wrap_iter<_Iter1> __x) _NOEXCEPTnoexcept |
| 279 | { |
| 280 | __x += __n; |
| 281 | return __x; |
| 282 | } |
| 283 | |
| 284 | #if _LIBCPP_STD_VER14 <= 17 |
| 285 | template <class _It> |
| 286 | struct __is_cpp17_contiguous_iterator<__wrap_iter<_It> > : true_type {}; |
| 287 | #endif |
| 288 | |
| 289 | template <class _Iter> |
| 290 | _LIBCPP_CONSTEXPRconstexpr |
| 291 | decltype(_VSTDstd::__1::__to_address(declval<_Iter>())) |
| 292 | __to_address(__wrap_iter<_Iter> __w) _NOEXCEPTnoexcept { |
| 293 | return _VSTDstd::__1::__to_address(__w.base()); |
| 294 | } |
| 295 | |
| 296 | _LIBCPP_END_NAMESPACE_STD} } |
| 297 | |
| 298 | _LIBCPP_POP_MACROSpop_macro("min") pop_macro("max") |
| 299 | |
| 300 | #endif // _LIBCPP___ITERATOR_WRAP_ITER_H |
| 1 | //===- SwapByteOrder.h - Generic and optimized byte swaps -------*- C++ -*-===// | |||
| 2 | // | |||
| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. | |||
| 4 | // See https://llvm.org/LICENSE.txt for license information. | |||
| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception | |||
| 6 | // | |||
| 7 | //===----------------------------------------------------------------------===// | |||
| 8 | // | |||
| 9 | // This file declares generic and optimized functions to swap the byte order of | |||
| 10 | // an integral type. | |||
| 11 | // | |||
| 12 | //===----------------------------------------------------------------------===// | |||
| 13 | ||||
| 14 | #ifndef LLVM_SUPPORT_SWAPBYTEORDER_H | |||
| 15 | #define LLVM_SUPPORT_SWAPBYTEORDER_H | |||
| 16 | ||||
| 17 | #include <cstddef> | |||
| 18 | #include <cstdint> | |||
| 19 | #include <type_traits> | |||
| 20 | #if defined(_MSC_VER) && !defined(_DEBUG) | |||
| 21 | #include <stdlib.h> | |||
| 22 | #endif | |||
| 23 | ||||
| 24 | #if defined(__linux__) || defined(__GNU__) || defined(__HAIKU__) || \ | |||
| 25 | defined(__Fuchsia__) || defined(__EMSCRIPTEN__) | |||
| 26 | #include <endian.h> | |||
| 27 | #elif defined(_AIX) | |||
| 28 | #include <sys/machine.h> | |||
| 29 | #elif defined(__sun) | |||
| 30 | /* Solaris provides _BIG_ENDIAN/_LITTLE_ENDIAN selector in sys/types.h */ | |||
| 31 | #include <sys/types.h> | |||
| 32 | #define BIG_ENDIAN4321 4321 | |||
| 33 | #define LITTLE_ENDIAN1234 1234 | |||
| 34 | #if defined(_BIG_ENDIAN4321) | |||
| 35 | #define BYTE_ORDER1234 BIG_ENDIAN4321 | |||
| 36 | #else | |||
| 37 | #define BYTE_ORDER1234 LITTLE_ENDIAN1234 | |||
| 38 | #endif | |||
| 39 | #elif defined(__MVS__) | |||
| 40 | #define BIG_ENDIAN4321 4321 | |||
| 41 | #define LITTLE_ENDIAN1234 1234 | |||
| 42 | #define BYTE_ORDER1234 BIG_ENDIAN4321 | |||
| 43 | #else | |||
| 44 | #if !defined(BYTE_ORDER1234) && !defined(_WIN32) | |||
| 45 | #include <machine/endian.h> | |||
| 46 | #endif | |||
| 47 | #endif | |||
| 48 | ||||
| 49 | namespace llvm { | |||
| 50 | ||||
| 51 | /// ByteSwap_16 - This function returns a byte-swapped representation of | |||
| 52 | /// the 16-bit argument. | |||
| 53 | inline uint16_t ByteSwap_16(uint16_t value) { | |||
| 54 | #if defined(_MSC_VER) && !defined(_DEBUG) | |||
| 55 | // The DLL version of the runtime lacks these functions (bug!?), but in a | |||
| 56 | // release build they're replaced with BSWAP instructions anyway. | |||
| 57 | return _byteswap_ushort(value); | |||
| 58 | #else | |||
| 59 | uint16_t Hi = value << 8; | |||
| 60 | uint16_t Lo = value >> 8; | |||
| 61 | return Hi | Lo; | |||
| 62 | #endif | |||
| 63 | } | |||
| 64 | ||||
| 65 | /// This function returns a byte-swapped representation of the 32-bit argument. | |||
| 66 | inline uint32_t ByteSwap_32(uint32_t value) { | |||
| 67 | #if defined(__llvm__1) || (defined(__GNUC__4) && !defined(__ICC)) | |||
| 68 | return __builtin_bswap32(value); | |||
| 69 | #elif defined(_MSC_VER) && !defined(_DEBUG) | |||
| 70 | return _byteswap_ulong(value); | |||
| 71 | #else | |||
| 72 | uint32_t Byte0 = value & 0x000000FF; | |||
| 73 | uint32_t Byte1 = value & 0x0000FF00; | |||
| 74 | uint32_t Byte2 = value & 0x00FF0000; | |||
| 75 | uint32_t Byte3 = value & 0xFF000000; | |||
| 76 | return (Byte0 << 24) | (Byte1 << 8) | (Byte2 >> 8) | (Byte3 >> 24); | |||
| 77 | #endif | |||
| 78 | } | |||
| 79 | ||||
| 80 | /// This function returns a byte-swapped representation of the 64-bit argument. | |||
| 81 | inline uint64_t ByteSwap_64(uint64_t value) { | |||
| 82 | #if defined(__llvm__1) || (defined(__GNUC__4) && !defined(__ICC)) | |||
| 83 | return __builtin_bswap64(value); | |||
| 84 | #elif defined(_MSC_VER) && !defined(_DEBUG) | |||
| 85 | return _byteswap_uint64(value); | |||
| 86 | #else | |||
| 87 | uint64_t Hi = ByteSwap_32(uint32_t(value)); | |||
| 88 | uint32_t Lo = ByteSwap_32(uint32_t(value >> 32)); | |||
| 89 | return (Hi << 32) | Lo; | |||
| 90 | #endif | |||
| 91 | } | |||
| 92 | ||||
| 93 | namespace sys { | |||
| 94 | ||||
| 95 | #if defined(BYTE_ORDER1234) && defined(BIG_ENDIAN4321) && BYTE_ORDER1234 == BIG_ENDIAN4321 | |||
| 96 | constexpr bool IsBigEndianHost = true; | |||
| 97 | #else | |||
| 98 | constexpr bool IsBigEndianHost = false; | |||
| 99 | #endif | |||
| 100 | ||||
| 101 | static const bool IsLittleEndianHost = !IsBigEndianHost; | |||
| 102 | ||||
| 103 | inline unsigned char getSwappedBytes(unsigned char C) { return C; } | |||
| 104 | inline signed char getSwappedBytes(signed char C) { return C; } | |||
| 105 | inline char getSwappedBytes(char C) { return C; } | |||
| 106 | ||||
| 107 | inline unsigned short getSwappedBytes(unsigned short C) { return ByteSwap_16(C); } | |||
| 108 | inline signed short getSwappedBytes( signed short C) { return ByteSwap_16(C); } | |||
| 109 | ||||
| 110 | inline unsigned int getSwappedBytes(unsigned int C) { return ByteSwap_32(C); } | |||
| 111 | inline signed int getSwappedBytes( signed int C) { return ByteSwap_32(C); } | |||
| 112 | ||||
| 113 | inline unsigned long getSwappedBytes(unsigned long C) { | |||
| 114 | // Handle LLP64 and LP64 platforms. | |||
| 115 | return sizeof(long) == sizeof(int) ? ByteSwap_32((uint32_t)C) | |||
| 116 | : ByteSwap_64((uint64_t)C); | |||
| 117 | } | |||
| 118 | inline signed long getSwappedBytes(signed long C) { | |||
| 119 | // Handle LLP64 and LP64 platforms. | |||
| 120 | return sizeof(long) == sizeof(int) ? ByteSwap_32((uint32_t)C) | |||
| 121 | : ByteSwap_64((uint64_t)C); | |||
| 122 | } | |||
| 123 | ||||
| 124 | inline unsigned long long getSwappedBytes(unsigned long long C) { | |||
| 125 | return ByteSwap_64(C); | |||
| 126 | } | |||
| 127 | inline signed long long getSwappedBytes(signed long long C) { | |||
| 128 | return ByteSwap_64(C); | |||
| 129 | } | |||
| 130 | ||||
| 131 | inline float getSwappedBytes(float C) { | |||
| 132 | union { | |||
| 133 | uint32_t i; | |||
| 134 | float f; | |||
| 135 | } in, out; | |||
| 136 | in.f = C; | |||
| 137 | out.i = ByteSwap_32(in.i); | |||
| 138 | return out.f; | |||
| 139 | } | |||
| 140 | ||||
| 141 | inline double getSwappedBytes(double C) { | |||
| 142 | union { | |||
| 143 | uint64_t i; | |||
| 144 | double d; | |||
| 145 | } in, out; | |||
| 146 | in.d = C; | |||
| 147 | out.i = ByteSwap_64(in.i); | |||
| 148 | return out.d; | |||
| 149 | } | |||
| 150 | ||||
| 151 | template <typename T> | |||
| 152 | inline std::enable_if_t<std::is_enum<T>::value, T> getSwappedBytes(T C) { | |||
| 153 | return static_cast<T>( | |||
| 154 | getSwappedBytes(static_cast<std::underlying_type_t<T>>(C))); | |||
| 155 | } | |||
| 156 | ||||
| 157 | template<typename T> | |||
| 158 | inline void swapByteOrder(T &Value) { | |||
| 159 | Value = getSwappedBytes(Value); | |||
| ||||
| 160 | } | |||
| 161 | ||||
| 162 | } // end namespace sys | |||
| 163 | } // end namespace llvm | |||
| 164 | ||||
| 165 | #endif |