1 //===-- COFFDumper.cpp - COFF-specific dumper -------------------*- C++ -*-===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is distributed under the University of Illinois Open Source 6 // License. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 /// 10 /// \file 11 /// This file implements the COFF-specific dumper for llvm-readobj. 12 /// 13 //===----------------------------------------------------------------------===// 14 15 #include "ARMWinEHPrinter.h" 16 #include "Error.h" 17 #include "ObjDumper.h" 18 #include "StackMapPrinter.h" 19 #include "Win64EHDumper.h" 20 #include "llvm-readobj.h" 21 #include "llvm/ADT/DenseMap.h" 22 #include "llvm/ADT/SmallString.h" 23 #include "llvm/ADT/StringExtras.h" 24 #include "llvm/BinaryFormat/COFF.h" 25 #include "llvm/DebugInfo/CodeView/CVTypeVisitor.h" 26 #include "llvm/DebugInfo/CodeView/CodeView.h" 27 #include "llvm/DebugInfo/CodeView/DebugChecksumsSubsection.h" 28 #include "llvm/DebugInfo/CodeView/DebugFrameDataSubsection.h" 29 #include "llvm/DebugInfo/CodeView/DebugInlineeLinesSubsection.h" 30 #include "llvm/DebugInfo/CodeView/DebugLinesSubsection.h" 31 #include "llvm/DebugInfo/CodeView/DebugStringTableSubsection.h" 32 #include "llvm/DebugInfo/CodeView/LazyRandomTypeCollection.h" 33 #include "llvm/DebugInfo/CodeView/Line.h" 34 #include "llvm/DebugInfo/CodeView/MergingTypeTableBuilder.h" 35 #include "llvm/DebugInfo/CodeView/RecordSerialization.h" 36 #include "llvm/DebugInfo/CodeView/SymbolDumpDelegate.h" 37 #include "llvm/DebugInfo/CodeView/SymbolDumper.h" 38 #include "llvm/DebugInfo/CodeView/SymbolRecord.h" 39 #include "llvm/DebugInfo/CodeView/TypeDumpVisitor.h" 40 #include "llvm/DebugInfo/CodeView/TypeHashing.h" 41 #include "llvm/DebugInfo/CodeView/TypeIndex.h" 42 #include "llvm/DebugInfo/CodeView/TypeRecord.h" 43 #include "llvm/DebugInfo/CodeView/TypeStreamMerger.h" 44 #include "llvm/DebugInfo/CodeView/TypeTableCollection.h" 45 #include "llvm/Object/COFF.h" 46 #include "llvm/Object/ObjectFile.h" 47 #include "llvm/Support/BinaryStreamReader.h" 48 #include "llvm/Support/Casting.h" 49 #include "llvm/Support/Compiler.h" 50 #include "llvm/Support/ConvertUTF.h" 51 #include "llvm/Support/FormatVariadic.h" 52 #include "llvm/Support/ScopedPrinter.h" 53 #include "llvm/Support/LEB128.h" 54 #include "llvm/Support/Win64EH.h" 55 #include "llvm/Support/raw_ostream.h" 56 57 using namespace llvm; 58 using namespace llvm::object; 59 using namespace llvm::codeview; 60 using namespace llvm::support; 61 using namespace llvm::Win64EH; 62 63 namespace { 64 65 struct LoadConfigTables { 66 uint64_t SEHTableVA = 0; 67 uint64_t SEHTableCount = 0; 68 uint32_t GuardFlags = 0; 69 uint64_t GuardFidTableVA = 0; 70 uint64_t GuardFidTableCount = 0; 71 uint64_t GuardLJmpTableVA = 0; 72 uint64_t GuardLJmpTableCount = 0; 73 }; 74 75 class COFFDumper : public ObjDumper { 76 public: 77 friend class COFFObjectDumpDelegate; 78 COFFDumper(const llvm::object::COFFObjectFile *Obj, ScopedPrinter &Writer) 79 : ObjDumper(Writer), Obj(Obj), Writer(Writer), Types(100) {} 80 81 void printFileHeaders() override; 82 void printSectionHeaders() override; 83 void printRelocations() override; 84 void printSymbols() override; 85 void printDynamicSymbols() override; 86 void printUnwindInfo() override; 87 88 void printNeededLibraries() override; 89 90 void printCOFFImports() override; 91 void printCOFFExports() override; 92 void printCOFFDirectives() override; 93 void printCOFFBaseReloc() override; 94 void printCOFFDebugDirectory() override; 95 void printCOFFResources() override; 96 void printCOFFLoadConfig() override; 97 void printCodeViewDebugInfo() override; 98 void 99 mergeCodeViewTypes(llvm::codeview::MergingTypeTableBuilder &CVIDs, 100 llvm::codeview::MergingTypeTableBuilder &CVTypes) override; 101 void printStackMap() const override; 102 void printAddrsig() override; 103 private: 104 void printSymbol(const SymbolRef &Sym); 105 void printRelocation(const SectionRef &Section, const RelocationRef &Reloc, 106 uint64_t Bias = 0); 107 void printDataDirectory(uint32_t Index, const std::string &FieldName); 108 109 void printDOSHeader(const dos_header *DH); 110 template <class PEHeader> void printPEHeader(const PEHeader *Hdr); 111 void printBaseOfDataField(const pe32_header *Hdr); 112 void printBaseOfDataField(const pe32plus_header *Hdr); 113 template <typename T> 114 void printCOFFLoadConfig(const T *Conf, LoadConfigTables &Tables); 115 typedef void (*PrintExtraCB)(raw_ostream &, const uint8_t *); 116 void printRVATable(uint64_t TableVA, uint64_t Count, uint64_t EntrySize, 117 PrintExtraCB PrintExtra = 0); 118 119 void printCodeViewSymbolSection(StringRef SectionName, const SectionRef &Section); 120 void printCodeViewTypeSection(StringRef SectionName, const SectionRef &Section); 121 StringRef getTypeName(TypeIndex Ty); 122 StringRef getFileNameForFileOffset(uint32_t FileOffset); 123 void printFileNameForOffset(StringRef Label, uint32_t FileOffset); 124 void printTypeIndex(StringRef FieldName, TypeIndex TI) { 125 // Forward to CVTypeDumper for simplicity. 126 codeview::printTypeIndex(Writer, FieldName, TI, Types); 127 } 128 129 void printCodeViewSymbolsSubsection(StringRef Subsection, 130 const SectionRef &Section, 131 StringRef SectionContents); 132 133 void printCodeViewFileChecksums(StringRef Subsection); 134 135 void printCodeViewInlineeLines(StringRef Subsection); 136 137 void printRelocatedField(StringRef Label, const coff_section *Sec, 138 uint32_t RelocOffset, uint32_t Offset, 139 StringRef *RelocSym = nullptr); 140 141 uint32_t countTotalTableEntries(ResourceSectionRef RSF, 142 const coff_resource_dir_table &Table, 143 StringRef Level); 144 145 void printResourceDirectoryTable(ResourceSectionRef RSF, 146 const coff_resource_dir_table &Table, 147 StringRef Level); 148 149 void printBinaryBlockWithRelocs(StringRef Label, const SectionRef &Sec, 150 StringRef SectionContents, StringRef Block); 151 152 /// Given a .debug$S section, find the string table and file checksum table. 153 void initializeFileAndStringTables(BinaryStreamReader &Reader); 154 155 void cacheRelocations(); 156 157 std::error_code resolveSymbol(const coff_section *Section, uint64_t Offset, 158 SymbolRef &Sym); 159 std::error_code resolveSymbolName(const coff_section *Section, 160 uint64_t Offset, StringRef &Name); 161 std::error_code resolveSymbolName(const coff_section *Section, 162 StringRef SectionContents, 163 const void *RelocPtr, StringRef &Name); 164 void printImportedSymbols(iterator_range<imported_symbol_iterator> Range); 165 void printDelayImportedSymbols( 166 const DelayImportDirectoryEntryRef &I, 167 iterator_range<imported_symbol_iterator> Range); 168 ErrorOr<const coff_resource_dir_entry &> 169 getResourceDirectoryTableEntry(const coff_resource_dir_table &Table, 170 uint32_t Index); 171 172 typedef DenseMap<const coff_section*, std::vector<RelocationRef> > RelocMapTy; 173 174 const llvm::object::COFFObjectFile *Obj; 175 bool RelocCached = false; 176 RelocMapTy RelocMap; 177 178 DebugChecksumsSubsectionRef CVFileChecksumTable; 179 180 DebugStringTableSubsectionRef CVStringTable; 181 182 /// Track the compilation CPU type. S_COMPILE3 symbol records typically come 183 /// first, but if we don't see one, just assume an X64 CPU type. It is common. 184 CPUType CompilationCPUType = CPUType::X64; 185 186 ScopedPrinter &Writer; 187 BinaryByteStream TypeContents; 188 LazyRandomTypeCollection Types; 189 }; 190 191 class COFFObjectDumpDelegate : public SymbolDumpDelegate { 192 public: 193 COFFObjectDumpDelegate(COFFDumper &CD, const SectionRef &SR, 194 const COFFObjectFile *Obj, StringRef SectionContents) 195 : CD(CD), SR(SR), SectionContents(SectionContents) { 196 Sec = Obj->getCOFFSection(SR); 197 } 198 199 uint32_t getRecordOffset(BinaryStreamReader Reader) override { 200 ArrayRef<uint8_t> Data; 201 if (auto EC = Reader.readLongestContiguousChunk(Data)) { 202 llvm::consumeError(std::move(EC)); 203 return 0; 204 } 205 return Data.data() - SectionContents.bytes_begin(); 206 } 207 208 void printRelocatedField(StringRef Label, uint32_t RelocOffset, 209 uint32_t Offset, StringRef *RelocSym) override { 210 CD.printRelocatedField(Label, Sec, RelocOffset, Offset, RelocSym); 211 } 212 213 void printBinaryBlockWithRelocs(StringRef Label, 214 ArrayRef<uint8_t> Block) override { 215 StringRef SBlock(reinterpret_cast<const char *>(Block.data()), 216 Block.size()); 217 if (opts::CodeViewSubsectionBytes) 218 CD.printBinaryBlockWithRelocs(Label, SR, SectionContents, SBlock); 219 } 220 221 StringRef getFileNameForFileOffset(uint32_t FileOffset) override { 222 return CD.getFileNameForFileOffset(FileOffset); 223 } 224 225 DebugStringTableSubsectionRef getStringTable() override { 226 return CD.CVStringTable; 227 } 228 229 private: 230 COFFDumper &CD; 231 const SectionRef &SR; 232 const coff_section *Sec; 233 StringRef SectionContents; 234 }; 235 236 } // end namespace 237 238 namespace llvm { 239 240 std::error_code createCOFFDumper(const object::ObjectFile *Obj, 241 ScopedPrinter &Writer, 242 std::unique_ptr<ObjDumper> &Result) { 243 const COFFObjectFile *COFFObj = dyn_cast<COFFObjectFile>(Obj); 244 if (!COFFObj) 245 return readobj_error::unsupported_obj_file_format; 246 247 Result.reset(new COFFDumper(COFFObj, Writer)); 248 return readobj_error::success; 249 } 250 251 } // namespace llvm 252 253 // Given a section and an offset into this section the function returns the 254 // symbol used for the relocation at the offset. 255 std::error_code COFFDumper::resolveSymbol(const coff_section *Section, 256 uint64_t Offset, SymbolRef &Sym) { 257 cacheRelocations(); 258 const auto &Relocations = RelocMap[Section]; 259 auto SymI = Obj->symbol_end(); 260 for (const auto &Relocation : Relocations) { 261 uint64_t RelocationOffset = Relocation.getOffset(); 262 263 if (RelocationOffset == Offset) { 264 SymI = Relocation.getSymbol(); 265 break; 266 } 267 } 268 if (SymI == Obj->symbol_end()) 269 return readobj_error::unknown_symbol; 270 Sym = *SymI; 271 return readobj_error::success; 272 } 273 274 // Given a section and an offset into this section the function returns the name 275 // of the symbol used for the relocation at the offset. 276 std::error_code COFFDumper::resolveSymbolName(const coff_section *Section, 277 uint64_t Offset, 278 StringRef &Name) { 279 SymbolRef Symbol; 280 if (std::error_code EC = resolveSymbol(Section, Offset, Symbol)) 281 return EC; 282 Expected<StringRef> NameOrErr = Symbol.getName(); 283 if (!NameOrErr) 284 return errorToErrorCode(NameOrErr.takeError()); 285 Name = *NameOrErr; 286 return std::error_code(); 287 } 288 289 // Helper for when you have a pointer to real data and you want to know about 290 // relocations against it. 291 std::error_code COFFDumper::resolveSymbolName(const coff_section *Section, 292 StringRef SectionContents, 293 const void *RelocPtr, 294 StringRef &Name) { 295 assert(SectionContents.data() < RelocPtr && 296 RelocPtr < SectionContents.data() + SectionContents.size() && 297 "pointer to relocated object is not in section"); 298 uint64_t Offset = ptrdiff_t(reinterpret_cast<const char *>(RelocPtr) - 299 SectionContents.data()); 300 return resolveSymbolName(Section, Offset, Name); 301 } 302 303 void COFFDumper::printRelocatedField(StringRef Label, const coff_section *Sec, 304 uint32_t RelocOffset, uint32_t Offset, 305 StringRef *RelocSym) { 306 StringRef SymStorage; 307 StringRef &Symbol = RelocSym ? *RelocSym : SymStorage; 308 if (!resolveSymbolName(Sec, RelocOffset, Symbol)) 309 W.printSymbolOffset(Label, Symbol, Offset); 310 else 311 W.printHex(Label, RelocOffset); 312 } 313 314 void COFFDumper::printBinaryBlockWithRelocs(StringRef Label, 315 const SectionRef &Sec, 316 StringRef SectionContents, 317 StringRef Block) { 318 W.printBinaryBlock(Label, Block); 319 320 assert(SectionContents.begin() < Block.begin() && 321 SectionContents.end() >= Block.end() && 322 "Block is not contained in SectionContents"); 323 uint64_t OffsetStart = Block.data() - SectionContents.data(); 324 uint64_t OffsetEnd = OffsetStart + Block.size(); 325 326 W.flush(); 327 cacheRelocations(); 328 ListScope D(W, "BlockRelocations"); 329 const coff_section *Section = Obj->getCOFFSection(Sec); 330 const auto &Relocations = RelocMap[Section]; 331 for (const auto &Relocation : Relocations) { 332 uint64_t RelocationOffset = Relocation.getOffset(); 333 if (OffsetStart <= RelocationOffset && RelocationOffset < OffsetEnd) 334 printRelocation(Sec, Relocation, OffsetStart); 335 } 336 } 337 338 static const EnumEntry<COFF::MachineTypes> ImageFileMachineType[] = { 339 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_UNKNOWN ), 340 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_AM33 ), 341 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_AMD64 ), 342 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_ARM ), 343 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_ARM64 ), 344 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_ARMNT ), 345 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_EBC ), 346 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_I386 ), 347 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_IA64 ), 348 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_M32R ), 349 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_MIPS16 ), 350 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_MIPSFPU ), 351 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_MIPSFPU16), 352 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_POWERPC ), 353 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_POWERPCFP), 354 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_R4000 ), 355 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_SH3 ), 356 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_SH3DSP ), 357 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_SH4 ), 358 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_SH5 ), 359 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_THUMB ), 360 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_WCEMIPSV2) 361 }; 362 363 static const EnumEntry<COFF::Characteristics> ImageFileCharacteristics[] = { 364 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_RELOCS_STRIPPED ), 365 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_EXECUTABLE_IMAGE ), 366 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_LINE_NUMS_STRIPPED ), 367 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_LOCAL_SYMS_STRIPPED ), 368 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_AGGRESSIVE_WS_TRIM ), 369 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_LARGE_ADDRESS_AWARE ), 370 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_BYTES_REVERSED_LO ), 371 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_32BIT_MACHINE ), 372 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_DEBUG_STRIPPED ), 373 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_REMOVABLE_RUN_FROM_SWAP), 374 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_NET_RUN_FROM_SWAP ), 375 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_SYSTEM ), 376 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_DLL ), 377 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_UP_SYSTEM_ONLY ), 378 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_BYTES_REVERSED_HI ) 379 }; 380 381 static const EnumEntry<COFF::WindowsSubsystem> PEWindowsSubsystem[] = { 382 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SUBSYSTEM_UNKNOWN ), 383 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SUBSYSTEM_NATIVE ), 384 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SUBSYSTEM_WINDOWS_GUI ), 385 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SUBSYSTEM_WINDOWS_CUI ), 386 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SUBSYSTEM_POSIX_CUI ), 387 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SUBSYSTEM_WINDOWS_CE_GUI ), 388 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SUBSYSTEM_EFI_APPLICATION ), 389 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SUBSYSTEM_EFI_BOOT_SERVICE_DRIVER), 390 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SUBSYSTEM_EFI_RUNTIME_DRIVER ), 391 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SUBSYSTEM_EFI_ROM ), 392 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SUBSYSTEM_XBOX ), 393 }; 394 395 static const EnumEntry<COFF::DLLCharacteristics> PEDLLCharacteristics[] = { 396 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_DLL_CHARACTERISTICS_HIGH_ENTROPY_VA ), 397 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_DLL_CHARACTERISTICS_DYNAMIC_BASE ), 398 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_DLL_CHARACTERISTICS_FORCE_INTEGRITY ), 399 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_DLL_CHARACTERISTICS_NX_COMPAT ), 400 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_DLL_CHARACTERISTICS_NO_ISOLATION ), 401 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_DLL_CHARACTERISTICS_NO_SEH ), 402 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_DLL_CHARACTERISTICS_NO_BIND ), 403 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_DLL_CHARACTERISTICS_APPCONTAINER ), 404 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_DLL_CHARACTERISTICS_WDM_DRIVER ), 405 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_DLL_CHARACTERISTICS_GUARD_CF ), 406 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_DLL_CHARACTERISTICS_TERMINAL_SERVER_AWARE), 407 }; 408 409 static const EnumEntry<COFF::SectionCharacteristics> 410 ImageSectionCharacteristics[] = { 411 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_TYPE_NOLOAD ), 412 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_TYPE_NO_PAD ), 413 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_CNT_CODE ), 414 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_CNT_INITIALIZED_DATA ), 415 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_CNT_UNINITIALIZED_DATA), 416 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_LNK_OTHER ), 417 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_LNK_INFO ), 418 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_LNK_REMOVE ), 419 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_LNK_COMDAT ), 420 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_GPREL ), 421 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_MEM_PURGEABLE ), 422 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_MEM_16BIT ), 423 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_MEM_LOCKED ), 424 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_MEM_PRELOAD ), 425 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_ALIGN_1BYTES ), 426 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_ALIGN_2BYTES ), 427 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_ALIGN_4BYTES ), 428 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_ALIGN_8BYTES ), 429 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_ALIGN_16BYTES ), 430 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_ALIGN_32BYTES ), 431 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_ALIGN_64BYTES ), 432 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_ALIGN_128BYTES ), 433 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_ALIGN_256BYTES ), 434 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_ALIGN_512BYTES ), 435 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_ALIGN_1024BYTES ), 436 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_ALIGN_2048BYTES ), 437 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_ALIGN_4096BYTES ), 438 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_ALIGN_8192BYTES ), 439 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_LNK_NRELOC_OVFL ), 440 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_MEM_DISCARDABLE ), 441 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_MEM_NOT_CACHED ), 442 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_MEM_NOT_PAGED ), 443 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_MEM_SHARED ), 444 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_MEM_EXECUTE ), 445 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_MEM_READ ), 446 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_MEM_WRITE ) 447 }; 448 449 static const EnumEntry<COFF::SymbolBaseType> ImageSymType[] = { 450 { "Null" , COFF::IMAGE_SYM_TYPE_NULL }, 451 { "Void" , COFF::IMAGE_SYM_TYPE_VOID }, 452 { "Char" , COFF::IMAGE_SYM_TYPE_CHAR }, 453 { "Short" , COFF::IMAGE_SYM_TYPE_SHORT }, 454 { "Int" , COFF::IMAGE_SYM_TYPE_INT }, 455 { "Long" , COFF::IMAGE_SYM_TYPE_LONG }, 456 { "Float" , COFF::IMAGE_SYM_TYPE_FLOAT }, 457 { "Double", COFF::IMAGE_SYM_TYPE_DOUBLE }, 458 { "Struct", COFF::IMAGE_SYM_TYPE_STRUCT }, 459 { "Union" , COFF::IMAGE_SYM_TYPE_UNION }, 460 { "Enum" , COFF::IMAGE_SYM_TYPE_ENUM }, 461 { "MOE" , COFF::IMAGE_SYM_TYPE_MOE }, 462 { "Byte" , COFF::IMAGE_SYM_TYPE_BYTE }, 463 { "Word" , COFF::IMAGE_SYM_TYPE_WORD }, 464 { "UInt" , COFF::IMAGE_SYM_TYPE_UINT }, 465 { "DWord" , COFF::IMAGE_SYM_TYPE_DWORD } 466 }; 467 468 static const EnumEntry<COFF::SymbolComplexType> ImageSymDType[] = { 469 { "Null" , COFF::IMAGE_SYM_DTYPE_NULL }, 470 { "Pointer" , COFF::IMAGE_SYM_DTYPE_POINTER }, 471 { "Function", COFF::IMAGE_SYM_DTYPE_FUNCTION }, 472 { "Array" , COFF::IMAGE_SYM_DTYPE_ARRAY } 473 }; 474 475 static const EnumEntry<COFF::SymbolStorageClass> ImageSymClass[] = { 476 { "EndOfFunction" , COFF::IMAGE_SYM_CLASS_END_OF_FUNCTION }, 477 { "Null" , COFF::IMAGE_SYM_CLASS_NULL }, 478 { "Automatic" , COFF::IMAGE_SYM_CLASS_AUTOMATIC }, 479 { "External" , COFF::IMAGE_SYM_CLASS_EXTERNAL }, 480 { "Static" , COFF::IMAGE_SYM_CLASS_STATIC }, 481 { "Register" , COFF::IMAGE_SYM_CLASS_REGISTER }, 482 { "ExternalDef" , COFF::IMAGE_SYM_CLASS_EXTERNAL_DEF }, 483 { "Label" , COFF::IMAGE_SYM_CLASS_LABEL }, 484 { "UndefinedLabel" , COFF::IMAGE_SYM_CLASS_UNDEFINED_LABEL }, 485 { "MemberOfStruct" , COFF::IMAGE_SYM_CLASS_MEMBER_OF_STRUCT }, 486 { "Argument" , COFF::IMAGE_SYM_CLASS_ARGUMENT }, 487 { "StructTag" , COFF::IMAGE_SYM_CLASS_STRUCT_TAG }, 488 { "MemberOfUnion" , COFF::IMAGE_SYM_CLASS_MEMBER_OF_UNION }, 489 { "UnionTag" , COFF::IMAGE_SYM_CLASS_UNION_TAG }, 490 { "TypeDefinition" , COFF::IMAGE_SYM_CLASS_TYPE_DEFINITION }, 491 { "UndefinedStatic", COFF::IMAGE_SYM_CLASS_UNDEFINED_STATIC }, 492 { "EnumTag" , COFF::IMAGE_SYM_CLASS_ENUM_TAG }, 493 { "MemberOfEnum" , COFF::IMAGE_SYM_CLASS_MEMBER_OF_ENUM }, 494 { "RegisterParam" , COFF::IMAGE_SYM_CLASS_REGISTER_PARAM }, 495 { "BitField" , COFF::IMAGE_SYM_CLASS_BIT_FIELD }, 496 { "Block" , COFF::IMAGE_SYM_CLASS_BLOCK }, 497 { "Function" , COFF::IMAGE_SYM_CLASS_FUNCTION }, 498 { "EndOfStruct" , COFF::IMAGE_SYM_CLASS_END_OF_STRUCT }, 499 { "File" , COFF::IMAGE_SYM_CLASS_FILE }, 500 { "Section" , COFF::IMAGE_SYM_CLASS_SECTION }, 501 { "WeakExternal" , COFF::IMAGE_SYM_CLASS_WEAK_EXTERNAL }, 502 { "CLRToken" , COFF::IMAGE_SYM_CLASS_CLR_TOKEN } 503 }; 504 505 static const EnumEntry<COFF::COMDATType> ImageCOMDATSelect[] = { 506 { "NoDuplicates", COFF::IMAGE_COMDAT_SELECT_NODUPLICATES }, 507 { "Any" , COFF::IMAGE_COMDAT_SELECT_ANY }, 508 { "SameSize" , COFF::IMAGE_COMDAT_SELECT_SAME_SIZE }, 509 { "ExactMatch" , COFF::IMAGE_COMDAT_SELECT_EXACT_MATCH }, 510 { "Associative" , COFF::IMAGE_COMDAT_SELECT_ASSOCIATIVE }, 511 { "Largest" , COFF::IMAGE_COMDAT_SELECT_LARGEST }, 512 { "Newest" , COFF::IMAGE_COMDAT_SELECT_NEWEST } 513 }; 514 515 static const EnumEntry<COFF::DebugType> ImageDebugType[] = { 516 { "Unknown" , COFF::IMAGE_DEBUG_TYPE_UNKNOWN }, 517 { "COFF" , COFF::IMAGE_DEBUG_TYPE_COFF }, 518 { "CodeView" , COFF::IMAGE_DEBUG_TYPE_CODEVIEW }, 519 { "FPO" , COFF::IMAGE_DEBUG_TYPE_FPO }, 520 { "Misc" , COFF::IMAGE_DEBUG_TYPE_MISC }, 521 { "Exception" , COFF::IMAGE_DEBUG_TYPE_EXCEPTION }, 522 { "Fixup" , COFF::IMAGE_DEBUG_TYPE_FIXUP }, 523 { "OmapToSrc" , COFF::IMAGE_DEBUG_TYPE_OMAP_TO_SRC }, 524 { "OmapFromSrc", COFF::IMAGE_DEBUG_TYPE_OMAP_FROM_SRC }, 525 { "Borland" , COFF::IMAGE_DEBUG_TYPE_BORLAND }, 526 { "Reserved10" , COFF::IMAGE_DEBUG_TYPE_RESERVED10 }, 527 { "CLSID" , COFF::IMAGE_DEBUG_TYPE_CLSID }, 528 { "VCFeature" , COFF::IMAGE_DEBUG_TYPE_VC_FEATURE }, 529 { "POGO" , COFF::IMAGE_DEBUG_TYPE_POGO }, 530 { "ILTCG" , COFF::IMAGE_DEBUG_TYPE_ILTCG }, 531 { "MPX" , COFF::IMAGE_DEBUG_TYPE_MPX }, 532 { "Repro" , COFF::IMAGE_DEBUG_TYPE_REPRO }, 533 }; 534 535 static const EnumEntry<COFF::WeakExternalCharacteristics> 536 WeakExternalCharacteristics[] = { 537 { "NoLibrary", COFF::IMAGE_WEAK_EXTERN_SEARCH_NOLIBRARY }, 538 { "Library" , COFF::IMAGE_WEAK_EXTERN_SEARCH_LIBRARY }, 539 { "Alias" , COFF::IMAGE_WEAK_EXTERN_SEARCH_ALIAS } 540 }; 541 542 static const EnumEntry<uint32_t> SubSectionTypes[] = { 543 LLVM_READOBJ_ENUM_CLASS_ENT(DebugSubsectionKind, Symbols), 544 LLVM_READOBJ_ENUM_CLASS_ENT(DebugSubsectionKind, Lines), 545 LLVM_READOBJ_ENUM_CLASS_ENT(DebugSubsectionKind, StringTable), 546 LLVM_READOBJ_ENUM_CLASS_ENT(DebugSubsectionKind, FileChecksums), 547 LLVM_READOBJ_ENUM_CLASS_ENT(DebugSubsectionKind, FrameData), 548 LLVM_READOBJ_ENUM_CLASS_ENT(DebugSubsectionKind, InlineeLines), 549 LLVM_READOBJ_ENUM_CLASS_ENT(DebugSubsectionKind, CrossScopeImports), 550 LLVM_READOBJ_ENUM_CLASS_ENT(DebugSubsectionKind, CrossScopeExports), 551 LLVM_READOBJ_ENUM_CLASS_ENT(DebugSubsectionKind, ILLines), 552 LLVM_READOBJ_ENUM_CLASS_ENT(DebugSubsectionKind, FuncMDTokenMap), 553 LLVM_READOBJ_ENUM_CLASS_ENT(DebugSubsectionKind, TypeMDTokenMap), 554 LLVM_READOBJ_ENUM_CLASS_ENT(DebugSubsectionKind, MergedAssemblyInput), 555 LLVM_READOBJ_ENUM_CLASS_ENT(DebugSubsectionKind, CoffSymbolRVA), 556 }; 557 558 static const EnumEntry<uint32_t> FrameDataFlags[] = { 559 LLVM_READOBJ_ENUM_ENT(FrameData, HasSEH), 560 LLVM_READOBJ_ENUM_ENT(FrameData, HasEH), 561 LLVM_READOBJ_ENUM_ENT(FrameData, IsFunctionStart), 562 }; 563 564 static const EnumEntry<uint8_t> FileChecksumKindNames[] = { 565 LLVM_READOBJ_ENUM_CLASS_ENT(FileChecksumKind, None), 566 LLVM_READOBJ_ENUM_CLASS_ENT(FileChecksumKind, MD5), 567 LLVM_READOBJ_ENUM_CLASS_ENT(FileChecksumKind, SHA1), 568 LLVM_READOBJ_ENUM_CLASS_ENT(FileChecksumKind, SHA256), 569 }; 570 571 static const EnumEntry<COFF::ResourceTypeID> ResourceTypeNames[]{ 572 {"kRT_CURSOR (ID 1)", COFF::RID_Cursor}, 573 {"kRT_BITMAP (ID 2)", COFF::RID_Bitmap}, 574 {"kRT_ICON (ID 3)", COFF::RID_Icon}, 575 {"kRT_MENU (ID 4)", COFF::RID_Menu}, 576 {"kRT_DIALOG (ID 5)", COFF::RID_Dialog}, 577 {"kRT_STRING (ID 6)", COFF::RID_String}, 578 {"kRT_FONTDIR (ID 7)", COFF::RID_FontDir}, 579 {"kRT_FONT (ID 8)", COFF::RID_Font}, 580 {"kRT_ACCELERATOR (ID 9)", COFF::RID_Accelerator}, 581 {"kRT_RCDATA (ID 10)", COFF::RID_RCData}, 582 {"kRT_MESSAGETABLE (ID 11)", COFF::RID_MessageTable}, 583 {"kRT_GROUP_CURSOR (ID 12)", COFF::RID_Group_Cursor}, 584 {"kRT_GROUP_ICON (ID 14)", COFF::RID_Group_Icon}, 585 {"kRT_VERSION (ID 16)", COFF::RID_Version}, 586 {"kRT_DLGINCLUDE (ID 17)", COFF::RID_DLGInclude}, 587 {"kRT_PLUGPLAY (ID 19)", COFF::RID_PlugPlay}, 588 {"kRT_VXD (ID 20)", COFF::RID_VXD}, 589 {"kRT_ANICURSOR (ID 21)", COFF::RID_AniCursor}, 590 {"kRT_ANIICON (ID 22)", COFF::RID_AniIcon}, 591 {"kRT_HTML (ID 23)", COFF::RID_HTML}, 592 {"kRT_MANIFEST (ID 24)", COFF::RID_Manifest}}; 593 594 template <typename T> 595 static std::error_code getSymbolAuxData(const COFFObjectFile *Obj, 596 COFFSymbolRef Symbol, 597 uint8_t AuxSymbolIdx, const T *&Aux) { 598 ArrayRef<uint8_t> AuxData = Obj->getSymbolAuxData(Symbol); 599 AuxData = AuxData.slice(AuxSymbolIdx * Obj->getSymbolTableEntrySize()); 600 Aux = reinterpret_cast<const T*>(AuxData.data()); 601 return readobj_error::success; 602 } 603 604 void COFFDumper::cacheRelocations() { 605 if (RelocCached) 606 return; 607 RelocCached = true; 608 609 for (const SectionRef &S : Obj->sections()) { 610 const coff_section *Section = Obj->getCOFFSection(S); 611 612 for (const RelocationRef &Reloc : S.relocations()) 613 RelocMap[Section].push_back(Reloc); 614 615 // Sort relocations by address. 616 llvm::sort(RelocMap[Section], relocAddressLess); 617 } 618 } 619 620 void COFFDumper::printDataDirectory(uint32_t Index, const std::string &FieldName) { 621 const data_directory *Data; 622 if (Obj->getDataDirectory(Index, Data)) 623 return; 624 W.printHex(FieldName + "RVA", Data->RelativeVirtualAddress); 625 W.printHex(FieldName + "Size", Data->Size); 626 } 627 628 void COFFDumper::printFileHeaders() { 629 time_t TDS = Obj->getTimeDateStamp(); 630 char FormattedTime[20] = { }; 631 strftime(FormattedTime, 20, "%Y-%m-%d %H:%M:%S", gmtime(&TDS)); 632 633 { 634 DictScope D(W, "ImageFileHeader"); 635 W.printEnum ("Machine", Obj->getMachine(), 636 makeArrayRef(ImageFileMachineType)); 637 W.printNumber("SectionCount", Obj->getNumberOfSections()); 638 W.printHex ("TimeDateStamp", FormattedTime, Obj->getTimeDateStamp()); 639 W.printHex ("PointerToSymbolTable", Obj->getPointerToSymbolTable()); 640 W.printNumber("SymbolCount", Obj->getNumberOfSymbols()); 641 W.printNumber("OptionalHeaderSize", Obj->getSizeOfOptionalHeader()); 642 W.printFlags ("Characteristics", Obj->getCharacteristics(), 643 makeArrayRef(ImageFileCharacteristics)); 644 } 645 646 // Print PE header. This header does not exist if this is an object file and 647 // not an executable. 648 const pe32_header *PEHeader = nullptr; 649 error(Obj->getPE32Header(PEHeader)); 650 if (PEHeader) 651 printPEHeader<pe32_header>(PEHeader); 652 653 const pe32plus_header *PEPlusHeader = nullptr; 654 error(Obj->getPE32PlusHeader(PEPlusHeader)); 655 if (PEPlusHeader) 656 printPEHeader<pe32plus_header>(PEPlusHeader); 657 658 if (const dos_header *DH = Obj->getDOSHeader()) 659 printDOSHeader(DH); 660 } 661 662 void COFFDumper::printDOSHeader(const dos_header *DH) { 663 DictScope D(W, "DOSHeader"); 664 W.printString("Magic", StringRef(DH->Magic, sizeof(DH->Magic))); 665 W.printNumber("UsedBytesInTheLastPage", DH->UsedBytesInTheLastPage); 666 W.printNumber("FileSizeInPages", DH->FileSizeInPages); 667 W.printNumber("NumberOfRelocationItems", DH->NumberOfRelocationItems); 668 W.printNumber("HeaderSizeInParagraphs", DH->HeaderSizeInParagraphs); 669 W.printNumber("MinimumExtraParagraphs", DH->MinimumExtraParagraphs); 670 W.printNumber("MaximumExtraParagraphs", DH->MaximumExtraParagraphs); 671 W.printNumber("InitialRelativeSS", DH->InitialRelativeSS); 672 W.printNumber("InitialSP", DH->InitialSP); 673 W.printNumber("Checksum", DH->Checksum); 674 W.printNumber("InitialIP", DH->InitialIP); 675 W.printNumber("InitialRelativeCS", DH->InitialRelativeCS); 676 W.printNumber("AddressOfRelocationTable", DH->AddressOfRelocationTable); 677 W.printNumber("OverlayNumber", DH->OverlayNumber); 678 W.printNumber("OEMid", DH->OEMid); 679 W.printNumber("OEMinfo", DH->OEMinfo); 680 W.printNumber("AddressOfNewExeHeader", DH->AddressOfNewExeHeader); 681 } 682 683 template <class PEHeader> 684 void COFFDumper::printPEHeader(const PEHeader *Hdr) { 685 DictScope D(W, "ImageOptionalHeader"); 686 W.printHex ("Magic", Hdr->Magic); 687 W.printNumber("MajorLinkerVersion", Hdr->MajorLinkerVersion); 688 W.printNumber("MinorLinkerVersion", Hdr->MinorLinkerVersion); 689 W.printNumber("SizeOfCode", Hdr->SizeOfCode); 690 W.printNumber("SizeOfInitializedData", Hdr->SizeOfInitializedData); 691 W.printNumber("SizeOfUninitializedData", Hdr->SizeOfUninitializedData); 692 W.printHex ("AddressOfEntryPoint", Hdr->AddressOfEntryPoint); 693 W.printHex ("BaseOfCode", Hdr->BaseOfCode); 694 printBaseOfDataField(Hdr); 695 W.printHex ("ImageBase", Hdr->ImageBase); 696 W.printNumber("SectionAlignment", Hdr->SectionAlignment); 697 W.printNumber("FileAlignment", Hdr->FileAlignment); 698 W.printNumber("MajorOperatingSystemVersion", 699 Hdr->MajorOperatingSystemVersion); 700 W.printNumber("MinorOperatingSystemVersion", 701 Hdr->MinorOperatingSystemVersion); 702 W.printNumber("MajorImageVersion", Hdr->MajorImageVersion); 703 W.printNumber("MinorImageVersion", Hdr->MinorImageVersion); 704 W.printNumber("MajorSubsystemVersion", Hdr->MajorSubsystemVersion); 705 W.printNumber("MinorSubsystemVersion", Hdr->MinorSubsystemVersion); 706 W.printNumber("SizeOfImage", Hdr->SizeOfImage); 707 W.printNumber("SizeOfHeaders", Hdr->SizeOfHeaders); 708 W.printEnum ("Subsystem", Hdr->Subsystem, makeArrayRef(PEWindowsSubsystem)); 709 W.printFlags ("Characteristics", Hdr->DLLCharacteristics, 710 makeArrayRef(PEDLLCharacteristics)); 711 W.printNumber("SizeOfStackReserve", Hdr->SizeOfStackReserve); 712 W.printNumber("SizeOfStackCommit", Hdr->SizeOfStackCommit); 713 W.printNumber("SizeOfHeapReserve", Hdr->SizeOfHeapReserve); 714 W.printNumber("SizeOfHeapCommit", Hdr->SizeOfHeapCommit); 715 W.printNumber("NumberOfRvaAndSize", Hdr->NumberOfRvaAndSize); 716 717 if (Hdr->NumberOfRvaAndSize > 0) { 718 DictScope D(W, "DataDirectory"); 719 static const char * const directory[] = { 720 "ExportTable", "ImportTable", "ResourceTable", "ExceptionTable", 721 "CertificateTable", "BaseRelocationTable", "Debug", "Architecture", 722 "GlobalPtr", "TLSTable", "LoadConfigTable", "BoundImport", "IAT", 723 "DelayImportDescriptor", "CLRRuntimeHeader", "Reserved" 724 }; 725 726 for (uint32_t i = 0; i < Hdr->NumberOfRvaAndSize; ++i) 727 printDataDirectory(i, directory[i]); 728 } 729 } 730 731 void COFFDumper::printCOFFDebugDirectory() { 732 ListScope LS(W, "DebugDirectory"); 733 for (const debug_directory &D : Obj->debug_directories()) { 734 char FormattedTime[20] = {}; 735 time_t TDS = D.TimeDateStamp; 736 strftime(FormattedTime, 20, "%Y-%m-%d %H:%M:%S", gmtime(&TDS)); 737 DictScope S(W, "DebugEntry"); 738 W.printHex("Characteristics", D.Characteristics); 739 W.printHex("TimeDateStamp", FormattedTime, D.TimeDateStamp); 740 W.printHex("MajorVersion", D.MajorVersion); 741 W.printHex("MinorVersion", D.MinorVersion); 742 W.printEnum("Type", D.Type, makeArrayRef(ImageDebugType)); 743 W.printHex("SizeOfData", D.SizeOfData); 744 W.printHex("AddressOfRawData", D.AddressOfRawData); 745 W.printHex("PointerToRawData", D.PointerToRawData); 746 if (D.Type == COFF::IMAGE_DEBUG_TYPE_CODEVIEW) { 747 const codeview::DebugInfo *DebugInfo; 748 StringRef PDBFileName; 749 error(Obj->getDebugPDBInfo(&D, DebugInfo, PDBFileName)); 750 DictScope PDBScope(W, "PDBInfo"); 751 W.printHex("PDBSignature", DebugInfo->Signature.CVSignature); 752 if (DebugInfo->Signature.CVSignature == OMF::Signature::PDB70) { 753 W.printBinary("PDBGUID", makeArrayRef(DebugInfo->PDB70.Signature)); 754 W.printNumber("PDBAge", DebugInfo->PDB70.Age); 755 W.printString("PDBFileName", PDBFileName); 756 } 757 } else if (D.SizeOfData != 0) { 758 // FIXME: Type values of 12 and 13 are commonly observed but are not in 759 // the documented type enum. Figure out what they mean. 760 ArrayRef<uint8_t> RawData; 761 error( 762 Obj->getRvaAndSizeAsBytes(D.AddressOfRawData, D.SizeOfData, RawData)); 763 W.printBinaryBlock("RawData", RawData); 764 } 765 } 766 } 767 768 void COFFDumper::printRVATable(uint64_t TableVA, uint64_t Count, 769 uint64_t EntrySize, PrintExtraCB PrintExtra) { 770 uintptr_t TableStart, TableEnd; 771 error(Obj->getVaPtr(TableVA, TableStart)); 772 error(Obj->getVaPtr(TableVA + Count * EntrySize - 1, TableEnd)); 773 TableEnd++; 774 for (uintptr_t I = TableStart; I < TableEnd; I += EntrySize) { 775 uint32_t RVA = *reinterpret_cast<const ulittle32_t *>(I); 776 raw_ostream &OS = W.startLine(); 777 OS << W.hex(Obj->getImageBase() + RVA); 778 if (PrintExtra) 779 PrintExtra(OS, reinterpret_cast<const uint8_t *>(I)); 780 OS << '\n'; 781 } 782 } 783 784 void COFFDumper::printCOFFLoadConfig() { 785 LoadConfigTables Tables; 786 if (Obj->is64()) 787 printCOFFLoadConfig(Obj->getLoadConfig64(), Tables); 788 else 789 printCOFFLoadConfig(Obj->getLoadConfig32(), Tables); 790 791 if (Tables.SEHTableVA) { 792 ListScope LS(W, "SEHTable"); 793 printRVATable(Tables.SEHTableVA, Tables.SEHTableCount, 4); 794 } 795 796 if (Tables.GuardFidTableVA) { 797 ListScope LS(W, "GuardFidTable"); 798 if (Tables.GuardFlags & uint32_t(coff_guard_flags::FidTableHasFlags)) { 799 auto PrintGuardFlags = [](raw_ostream &OS, const uint8_t *Entry) { 800 uint8_t Flags = *reinterpret_cast<const uint8_t *>(Entry + 4); 801 if (Flags) 802 OS << " flags " << utohexstr(Flags); 803 }; 804 printRVATable(Tables.GuardFidTableVA, Tables.GuardFidTableCount, 5, 805 PrintGuardFlags); 806 } else { 807 printRVATable(Tables.GuardFidTableVA, Tables.GuardFidTableCount, 4); 808 } 809 } 810 811 if (Tables.GuardLJmpTableVA) { 812 ListScope LS(W, "GuardLJmpTable"); 813 printRVATable(Tables.GuardLJmpTableVA, Tables.GuardLJmpTableCount, 4); 814 } 815 } 816 817 template <typename T> 818 void COFFDumper::printCOFFLoadConfig(const T *Conf, LoadConfigTables &Tables) { 819 if (!Conf) 820 return; 821 822 ListScope LS(W, "LoadConfig"); 823 char FormattedTime[20] = {}; 824 time_t TDS = Conf->TimeDateStamp; 825 strftime(FormattedTime, 20, "%Y-%m-%d %H:%M:%S", gmtime(&TDS)); 826 W.printHex("Size", Conf->Size); 827 828 // Print everything before SecurityCookie. The vast majority of images today 829 // have all these fields. 830 if (Conf->Size < offsetof(T, SEHandlerTable)) 831 return; 832 W.printHex("TimeDateStamp", FormattedTime, TDS); 833 W.printHex("MajorVersion", Conf->MajorVersion); 834 W.printHex("MinorVersion", Conf->MinorVersion); 835 W.printHex("GlobalFlagsClear", Conf->GlobalFlagsClear); 836 W.printHex("GlobalFlagsSet", Conf->GlobalFlagsSet); 837 W.printHex("CriticalSectionDefaultTimeout", 838 Conf->CriticalSectionDefaultTimeout); 839 W.printHex("DeCommitFreeBlockThreshold", Conf->DeCommitFreeBlockThreshold); 840 W.printHex("DeCommitTotalFreeThreshold", Conf->DeCommitTotalFreeThreshold); 841 W.printHex("LockPrefixTable", Conf->LockPrefixTable); 842 W.printHex("MaximumAllocationSize", Conf->MaximumAllocationSize); 843 W.printHex("VirtualMemoryThreshold", Conf->VirtualMemoryThreshold); 844 W.printHex("ProcessHeapFlags", Conf->ProcessHeapFlags); 845 W.printHex("ProcessAffinityMask", Conf->ProcessAffinityMask); 846 W.printHex("CSDVersion", Conf->CSDVersion); 847 W.printHex("DependentLoadFlags", Conf->DependentLoadFlags); 848 W.printHex("EditList", Conf->EditList); 849 W.printHex("SecurityCookie", Conf->SecurityCookie); 850 851 // Print the safe SEH table if present. 852 if (Conf->Size < offsetof(coff_load_configuration32, GuardCFCheckFunction)) 853 return; 854 W.printHex("SEHandlerTable", Conf->SEHandlerTable); 855 W.printNumber("SEHandlerCount", Conf->SEHandlerCount); 856 857 Tables.SEHTableVA = Conf->SEHandlerTable; 858 Tables.SEHTableCount = Conf->SEHandlerCount; 859 860 // Print everything before CodeIntegrity. (2015) 861 if (Conf->Size < offsetof(T, CodeIntegrity)) 862 return; 863 W.printHex("GuardCFCheckFunction", Conf->GuardCFCheckFunction); 864 W.printHex("GuardCFCheckDispatch", Conf->GuardCFCheckDispatch); 865 W.printHex("GuardCFFunctionTable", Conf->GuardCFFunctionTable); 866 W.printNumber("GuardCFFunctionCount", Conf->GuardCFFunctionCount); 867 W.printHex("GuardFlags", Conf->GuardFlags); 868 869 Tables.GuardFidTableVA = Conf->GuardCFFunctionTable; 870 Tables.GuardFidTableCount = Conf->GuardCFFunctionCount; 871 Tables.GuardFlags = Conf->GuardFlags; 872 873 // Print the rest. (2017) 874 if (Conf->Size < sizeof(T)) 875 return; 876 W.printHex("GuardAddressTakenIatEntryTable", 877 Conf->GuardAddressTakenIatEntryTable); 878 W.printNumber("GuardAddressTakenIatEntryCount", 879 Conf->GuardAddressTakenIatEntryCount); 880 W.printHex("GuardLongJumpTargetTable", Conf->GuardLongJumpTargetTable); 881 W.printNumber("GuardLongJumpTargetCount", Conf->GuardLongJumpTargetCount); 882 W.printHex("DynamicValueRelocTable", Conf->DynamicValueRelocTable); 883 W.printHex("CHPEMetadataPointer", Conf->CHPEMetadataPointer); 884 W.printHex("GuardRFFailureRoutine", Conf->GuardRFFailureRoutine); 885 W.printHex("GuardRFFailureRoutineFunctionPointer", 886 Conf->GuardRFFailureRoutineFunctionPointer); 887 W.printHex("DynamicValueRelocTableOffset", 888 Conf->DynamicValueRelocTableOffset); 889 W.printNumber("DynamicValueRelocTableSection", 890 Conf->DynamicValueRelocTableSection); 891 W.printHex("GuardRFVerifyStackPointerFunctionPointer", 892 Conf->GuardRFVerifyStackPointerFunctionPointer); 893 W.printHex("HotPatchTableOffset", Conf->HotPatchTableOffset); 894 895 Tables.GuardLJmpTableVA = Conf->GuardLongJumpTargetTable; 896 Tables.GuardLJmpTableCount = Conf->GuardLongJumpTargetCount; 897 } 898 899 void COFFDumper::printBaseOfDataField(const pe32_header *Hdr) { 900 W.printHex("BaseOfData", Hdr->BaseOfData); 901 } 902 903 void COFFDumper::printBaseOfDataField(const pe32plus_header *) {} 904 905 void COFFDumper::printCodeViewDebugInfo() { 906 // Print types first to build CVUDTNames, then print symbols. 907 for (const SectionRef &S : Obj->sections()) { 908 StringRef SectionName; 909 error(S.getName(SectionName)); 910 // .debug$T is a standard CodeView type section, while .debug$P is the same 911 // format but used for MSVC precompiled header object files. 912 if (SectionName == ".debug$T" || SectionName == ".debug$P") 913 printCodeViewTypeSection(SectionName, S); 914 } 915 for (const SectionRef &S : Obj->sections()) { 916 StringRef SectionName; 917 error(S.getName(SectionName)); 918 if (SectionName == ".debug$S") 919 printCodeViewSymbolSection(SectionName, S); 920 } 921 } 922 923 void COFFDumper::initializeFileAndStringTables(BinaryStreamReader &Reader) { 924 while (Reader.bytesRemaining() > 0 && 925 (!CVFileChecksumTable.valid() || !CVStringTable.valid())) { 926 // The section consists of a number of subsection in the following format: 927 // |SubSectionType|SubSectionSize|Contents...| 928 uint32_t SubType, SubSectionSize; 929 error(Reader.readInteger(SubType)); 930 error(Reader.readInteger(SubSectionSize)); 931 932 StringRef Contents; 933 error(Reader.readFixedString(Contents, SubSectionSize)); 934 935 BinaryStreamRef ST(Contents, support::little); 936 switch (DebugSubsectionKind(SubType)) { 937 case DebugSubsectionKind::FileChecksums: 938 error(CVFileChecksumTable.initialize(ST)); 939 break; 940 case DebugSubsectionKind::StringTable: 941 error(CVStringTable.initialize(ST)); 942 break; 943 default: 944 break; 945 } 946 947 uint32_t PaddedSize = alignTo(SubSectionSize, 4); 948 error(Reader.skip(PaddedSize - SubSectionSize)); 949 } 950 } 951 952 void COFFDumper::printCodeViewSymbolSection(StringRef SectionName, 953 const SectionRef &Section) { 954 StringRef SectionContents; 955 error(Section.getContents(SectionContents)); 956 StringRef Data = SectionContents; 957 958 SmallVector<StringRef, 10> FunctionNames; 959 StringMap<StringRef> FunctionLineTables; 960 961 ListScope D(W, "CodeViewDebugInfo"); 962 // Print the section to allow correlation with printSectionHeaders. 963 W.printNumber("Section", SectionName, Obj->getSectionID(Section)); 964 965 uint32_t Magic; 966 error(consume(Data, Magic)); 967 W.printHex("Magic", Magic); 968 if (Magic != COFF::DEBUG_SECTION_MAGIC) 969 return error(object_error::parse_failed); 970 971 BinaryStreamReader FSReader(Data, support::little); 972 initializeFileAndStringTables(FSReader); 973 974 // TODO: Convert this over to using ModuleSubstreamVisitor. 975 while (!Data.empty()) { 976 // The section consists of a number of subsection in the following format: 977 // |SubSectionType|SubSectionSize|Contents...| 978 uint32_t SubType, SubSectionSize; 979 error(consume(Data, SubType)); 980 error(consume(Data, SubSectionSize)); 981 982 ListScope S(W, "Subsection"); 983 W.printEnum("SubSectionType", SubType, makeArrayRef(SubSectionTypes)); 984 W.printHex("SubSectionSize", SubSectionSize); 985 986 // Get the contents of the subsection. 987 if (SubSectionSize > Data.size()) 988 return error(object_error::parse_failed); 989 StringRef Contents = Data.substr(0, SubSectionSize); 990 991 // Add SubSectionSize to the current offset and align that offset to find 992 // the next subsection. 993 size_t SectionOffset = Data.data() - SectionContents.data(); 994 size_t NextOffset = SectionOffset + SubSectionSize; 995 NextOffset = alignTo(NextOffset, 4); 996 if (NextOffset > SectionContents.size()) 997 return error(object_error::parse_failed); 998 Data = SectionContents.drop_front(NextOffset); 999 1000 // Optionally print the subsection bytes in case our parsing gets confused 1001 // later. 1002 if (opts::CodeViewSubsectionBytes) 1003 printBinaryBlockWithRelocs("SubSectionContents", Section, SectionContents, 1004 Contents); 1005 1006 switch (DebugSubsectionKind(SubType)) { 1007 case DebugSubsectionKind::Symbols: 1008 printCodeViewSymbolsSubsection(Contents, Section, SectionContents); 1009 break; 1010 1011 case DebugSubsectionKind::InlineeLines: 1012 printCodeViewInlineeLines(Contents); 1013 break; 1014 1015 case DebugSubsectionKind::FileChecksums: 1016 printCodeViewFileChecksums(Contents); 1017 break; 1018 1019 case DebugSubsectionKind::Lines: { 1020 // Holds a PC to file:line table. Some data to parse this subsection is 1021 // stored in the other subsections, so just check sanity and store the 1022 // pointers for deferred processing. 1023 1024 if (SubSectionSize < 12) { 1025 // There should be at least three words to store two function 1026 // relocations and size of the code. 1027 error(object_error::parse_failed); 1028 return; 1029 } 1030 1031 StringRef LinkageName; 1032 error(resolveSymbolName(Obj->getCOFFSection(Section), SectionOffset, 1033 LinkageName)); 1034 W.printString("LinkageName", LinkageName); 1035 if (FunctionLineTables.count(LinkageName) != 0) { 1036 // Saw debug info for this function already? 1037 error(object_error::parse_failed); 1038 return; 1039 } 1040 1041 FunctionLineTables[LinkageName] = Contents; 1042 FunctionNames.push_back(LinkageName); 1043 break; 1044 } 1045 case DebugSubsectionKind::FrameData: { 1046 // First four bytes is a relocation against the function. 1047 BinaryStreamReader SR(Contents, llvm::support::little); 1048 1049 DebugFrameDataSubsectionRef FrameData; 1050 error(FrameData.initialize(SR)); 1051 1052 StringRef LinkageName; 1053 error(resolveSymbolName(Obj->getCOFFSection(Section), SectionContents, 1054 FrameData.getRelocPtr(), LinkageName)); 1055 W.printString("LinkageName", LinkageName); 1056 1057 // To find the active frame description, search this array for the 1058 // smallest PC range that includes the current PC. 1059 for (const auto &FD : FrameData) { 1060 StringRef FrameFunc = error(CVStringTable.getString(FD.FrameFunc)); 1061 1062 DictScope S(W, "FrameData"); 1063 W.printHex("RvaStart", FD.RvaStart); 1064 W.printHex("CodeSize", FD.CodeSize); 1065 W.printHex("LocalSize", FD.LocalSize); 1066 W.printHex("ParamsSize", FD.ParamsSize); 1067 W.printHex("MaxStackSize", FD.MaxStackSize); 1068 W.printHex("PrologSize", FD.PrologSize); 1069 W.printHex("SavedRegsSize", FD.SavedRegsSize); 1070 W.printFlags("Flags", FD.Flags, makeArrayRef(FrameDataFlags)); 1071 1072 // The FrameFunc string is a small RPN program. It can be broken up into 1073 // statements that end in the '=' operator, which assigns the value on 1074 // the top of the stack to the previously pushed variable. Variables can 1075 // be temporary values ($T0) or physical registers ($esp). Print each 1076 // assignment on its own line to make these programs easier to read. 1077 { 1078 ListScope FFS(W, "FrameFunc"); 1079 while (!FrameFunc.empty()) { 1080 size_t EqOrEnd = FrameFunc.find('='); 1081 if (EqOrEnd == StringRef::npos) 1082 EqOrEnd = FrameFunc.size(); 1083 else 1084 ++EqOrEnd; 1085 StringRef Stmt = FrameFunc.substr(0, EqOrEnd); 1086 W.printString(Stmt); 1087 FrameFunc = FrameFunc.drop_front(EqOrEnd).trim(); 1088 } 1089 } 1090 } 1091 break; 1092 } 1093 1094 // Do nothing for unrecognized subsections. 1095 default: 1096 break; 1097 } 1098 W.flush(); 1099 } 1100 1101 // Dump the line tables now that we've read all the subsections and know all 1102 // the required information. 1103 for (unsigned I = 0, E = FunctionNames.size(); I != E; ++I) { 1104 StringRef Name = FunctionNames[I]; 1105 ListScope S(W, "FunctionLineTable"); 1106 W.printString("LinkageName", Name); 1107 1108 BinaryStreamReader Reader(FunctionLineTables[Name], support::little); 1109 1110 DebugLinesSubsectionRef LineInfo; 1111 error(LineInfo.initialize(Reader)); 1112 1113 W.printHex("Flags", LineInfo.header()->Flags); 1114 W.printHex("CodeSize", LineInfo.header()->CodeSize); 1115 for (const auto &Entry : LineInfo) { 1116 1117 ListScope S(W, "FilenameSegment"); 1118 printFileNameForOffset("Filename", Entry.NameIndex); 1119 uint32_t ColumnIndex = 0; 1120 for (const auto &Line : Entry.LineNumbers) { 1121 if (Line.Offset >= LineInfo.header()->CodeSize) { 1122 error(object_error::parse_failed); 1123 return; 1124 } 1125 1126 std::string PC = formatv("+{0:X}", uint32_t(Line.Offset)); 1127 ListScope PCScope(W, PC); 1128 codeview::LineInfo LI(Line.Flags); 1129 1130 if (LI.isAlwaysStepInto()) 1131 W.printString("StepInto", StringRef("Always")); 1132 else if (LI.isNeverStepInto()) 1133 W.printString("StepInto", StringRef("Never")); 1134 else 1135 W.printNumber("LineNumberStart", LI.getStartLine()); 1136 W.printNumber("LineNumberEndDelta", LI.getLineDelta()); 1137 W.printBoolean("IsStatement", LI.isStatement()); 1138 if (LineInfo.hasColumnInfo()) { 1139 W.printNumber("ColStart", Entry.Columns[ColumnIndex].StartColumn); 1140 W.printNumber("ColEnd", Entry.Columns[ColumnIndex].EndColumn); 1141 ++ColumnIndex; 1142 } 1143 } 1144 } 1145 } 1146 } 1147 1148 void COFFDumper::printCodeViewSymbolsSubsection(StringRef Subsection, 1149 const SectionRef &Section, 1150 StringRef SectionContents) { 1151 ArrayRef<uint8_t> BinaryData(Subsection.bytes_begin(), 1152 Subsection.bytes_end()); 1153 auto CODD = llvm::make_unique<COFFObjectDumpDelegate>(*this, Section, Obj, 1154 SectionContents); 1155 CVSymbolDumper CVSD(W, Types, CodeViewContainer::ObjectFile, std::move(CODD), 1156 CompilationCPUType, opts::CodeViewSubsectionBytes); 1157 CVSymbolArray Symbols; 1158 BinaryStreamReader Reader(BinaryData, llvm::support::little); 1159 if (auto EC = Reader.readArray(Symbols, Reader.getLength())) { 1160 consumeError(std::move(EC)); 1161 W.flush(); 1162 error(object_error::parse_failed); 1163 } 1164 1165 if (auto EC = CVSD.dump(Symbols)) { 1166 W.flush(); 1167 error(std::move(EC)); 1168 } 1169 CompilationCPUType = CVSD.getCompilationCPUType(); 1170 W.flush(); 1171 } 1172 1173 void COFFDumper::printCodeViewFileChecksums(StringRef Subsection) { 1174 BinaryStreamRef Stream(Subsection, llvm::support::little); 1175 DebugChecksumsSubsectionRef Checksums; 1176 error(Checksums.initialize(Stream)); 1177 1178 for (auto &FC : Checksums) { 1179 DictScope S(W, "FileChecksum"); 1180 1181 StringRef Filename = error(CVStringTable.getString(FC.FileNameOffset)); 1182 W.printHex("Filename", Filename, FC.FileNameOffset); 1183 W.printHex("ChecksumSize", FC.Checksum.size()); 1184 W.printEnum("ChecksumKind", uint8_t(FC.Kind), 1185 makeArrayRef(FileChecksumKindNames)); 1186 1187 W.printBinary("ChecksumBytes", FC.Checksum); 1188 } 1189 } 1190 1191 void COFFDumper::printCodeViewInlineeLines(StringRef Subsection) { 1192 BinaryStreamReader SR(Subsection, llvm::support::little); 1193 DebugInlineeLinesSubsectionRef Lines; 1194 error(Lines.initialize(SR)); 1195 1196 for (auto &Line : Lines) { 1197 DictScope S(W, "InlineeSourceLine"); 1198 printTypeIndex("Inlinee", Line.Header->Inlinee); 1199 printFileNameForOffset("FileID", Line.Header->FileID); 1200 W.printNumber("SourceLineNum", Line.Header->SourceLineNum); 1201 1202 if (Lines.hasExtraFiles()) { 1203 W.printNumber("ExtraFileCount", Line.ExtraFiles.size()); 1204 ListScope ExtraFiles(W, "ExtraFiles"); 1205 for (const auto &FID : Line.ExtraFiles) { 1206 printFileNameForOffset("FileID", FID); 1207 } 1208 } 1209 } 1210 } 1211 1212 StringRef COFFDumper::getFileNameForFileOffset(uint32_t FileOffset) { 1213 // The file checksum subsection should precede all references to it. 1214 if (!CVFileChecksumTable.valid() || !CVStringTable.valid()) 1215 error(object_error::parse_failed); 1216 1217 auto Iter = CVFileChecksumTable.getArray().at(FileOffset); 1218 1219 // Check if the file checksum table offset is valid. 1220 if (Iter == CVFileChecksumTable.end()) 1221 error(object_error::parse_failed); 1222 1223 return error(CVStringTable.getString(Iter->FileNameOffset)); 1224 } 1225 1226 void COFFDumper::printFileNameForOffset(StringRef Label, uint32_t FileOffset) { 1227 W.printHex(Label, getFileNameForFileOffset(FileOffset), FileOffset); 1228 } 1229 1230 void COFFDumper::mergeCodeViewTypes(MergingTypeTableBuilder &CVIDs, 1231 MergingTypeTableBuilder &CVTypes) { 1232 for (const SectionRef &S : Obj->sections()) { 1233 StringRef SectionName; 1234 error(S.getName(SectionName)); 1235 if (SectionName == ".debug$T") { 1236 StringRef Data; 1237 error(S.getContents(Data)); 1238 uint32_t Magic; 1239 error(consume(Data, Magic)); 1240 if (Magic != 4) 1241 error(object_error::parse_failed); 1242 1243 CVTypeArray Types; 1244 BinaryStreamReader Reader(Data, llvm::support::little); 1245 if (auto EC = Reader.readArray(Types, Reader.getLength())) { 1246 consumeError(std::move(EC)); 1247 W.flush(); 1248 error(object_error::parse_failed); 1249 } 1250 SmallVector<TypeIndex, 128> SourceToDest; 1251 Optional<uint32_t> PCHSignature; 1252 if (auto EC = mergeTypeAndIdRecords(CVIDs, CVTypes, SourceToDest, Types, 1253 PCHSignature)) 1254 return error(std::move(EC)); 1255 } 1256 } 1257 } 1258 1259 void COFFDumper::printCodeViewTypeSection(StringRef SectionName, 1260 const SectionRef &Section) { 1261 ListScope D(W, "CodeViewTypes"); 1262 W.printNumber("Section", SectionName, Obj->getSectionID(Section)); 1263 1264 StringRef Data; 1265 error(Section.getContents(Data)); 1266 if (opts::CodeViewSubsectionBytes) 1267 W.printBinaryBlock("Data", Data); 1268 1269 uint32_t Magic; 1270 error(consume(Data, Magic)); 1271 W.printHex("Magic", Magic); 1272 if (Magic != COFF::DEBUG_SECTION_MAGIC) 1273 return error(object_error::parse_failed); 1274 1275 Types.reset(Data, 100); 1276 1277 TypeDumpVisitor TDV(Types, &W, opts::CodeViewSubsectionBytes); 1278 error(codeview::visitTypeStream(Types, TDV)); 1279 W.flush(); 1280 } 1281 1282 void COFFDumper::printSectionHeaders() { 1283 ListScope SectionsD(W, "Sections"); 1284 int SectionNumber = 0; 1285 for (const SectionRef &Sec : Obj->sections()) { 1286 ++SectionNumber; 1287 const coff_section *Section = Obj->getCOFFSection(Sec); 1288 1289 StringRef Name; 1290 error(Sec.getName(Name)); 1291 1292 DictScope D(W, "Section"); 1293 W.printNumber("Number", SectionNumber); 1294 W.printBinary("Name", Name, Section->Name); 1295 W.printHex ("VirtualSize", Section->VirtualSize); 1296 W.printHex ("VirtualAddress", Section->VirtualAddress); 1297 W.printNumber("RawDataSize", Section->SizeOfRawData); 1298 W.printHex ("PointerToRawData", Section->PointerToRawData); 1299 W.printHex ("PointerToRelocations", Section->PointerToRelocations); 1300 W.printHex ("PointerToLineNumbers", Section->PointerToLinenumbers); 1301 W.printNumber("RelocationCount", Section->NumberOfRelocations); 1302 W.printNumber("LineNumberCount", Section->NumberOfLinenumbers); 1303 W.printFlags ("Characteristics", Section->Characteristics, 1304 makeArrayRef(ImageSectionCharacteristics), 1305 COFF::SectionCharacteristics(0x00F00000)); 1306 1307 if (opts::SectionRelocations) { 1308 ListScope D(W, "Relocations"); 1309 for (const RelocationRef &Reloc : Sec.relocations()) 1310 printRelocation(Sec, Reloc); 1311 } 1312 1313 if (opts::SectionSymbols) { 1314 ListScope D(W, "Symbols"); 1315 for (const SymbolRef &Symbol : Obj->symbols()) { 1316 if (!Sec.containsSymbol(Symbol)) 1317 continue; 1318 1319 printSymbol(Symbol); 1320 } 1321 } 1322 1323 if (opts::SectionData && 1324 !(Section->Characteristics & COFF::IMAGE_SCN_CNT_UNINITIALIZED_DATA)) { 1325 StringRef Data; 1326 error(Sec.getContents(Data)); 1327 1328 W.printBinaryBlock("SectionData", Data); 1329 } 1330 } 1331 } 1332 1333 void COFFDumper::printRelocations() { 1334 ListScope D(W, "Relocations"); 1335 1336 int SectionNumber = 0; 1337 for (const SectionRef &Section : Obj->sections()) { 1338 ++SectionNumber; 1339 StringRef Name; 1340 error(Section.getName(Name)); 1341 1342 bool PrintedGroup = false; 1343 for (const RelocationRef &Reloc : Section.relocations()) { 1344 if (!PrintedGroup) { 1345 W.startLine() << "Section (" << SectionNumber << ") " << Name << " {\n"; 1346 W.indent(); 1347 PrintedGroup = true; 1348 } 1349 1350 printRelocation(Section, Reloc); 1351 } 1352 1353 if (PrintedGroup) { 1354 W.unindent(); 1355 W.startLine() << "}\n"; 1356 } 1357 } 1358 } 1359 1360 void COFFDumper::printRelocation(const SectionRef &Section, 1361 const RelocationRef &Reloc, uint64_t Bias) { 1362 uint64_t Offset = Reloc.getOffset() - Bias; 1363 uint64_t RelocType = Reloc.getType(); 1364 SmallString<32> RelocName; 1365 StringRef SymbolName; 1366 Reloc.getTypeName(RelocName); 1367 symbol_iterator Symbol = Reloc.getSymbol(); 1368 int64_t SymbolIndex = -1; 1369 if (Symbol != Obj->symbol_end()) { 1370 Expected<StringRef> SymbolNameOrErr = Symbol->getName(); 1371 error(errorToErrorCode(SymbolNameOrErr.takeError())); 1372 SymbolName = *SymbolNameOrErr; 1373 SymbolIndex = Obj->getSymbolIndex(Obj->getCOFFSymbol(*Symbol)); 1374 } 1375 1376 if (opts::ExpandRelocs) { 1377 DictScope Group(W, "Relocation"); 1378 W.printHex("Offset", Offset); 1379 W.printNumber("Type", RelocName, RelocType); 1380 W.printString("Symbol", SymbolName.empty() ? "-" : SymbolName); 1381 W.printNumber("SymbolIndex", SymbolIndex); 1382 } else { 1383 raw_ostream& OS = W.startLine(); 1384 OS << W.hex(Offset) 1385 << " " << RelocName 1386 << " " << (SymbolName.empty() ? "-" : SymbolName) 1387 << " (" << SymbolIndex << ")" 1388 << "\n"; 1389 } 1390 } 1391 1392 void COFFDumper::printSymbols() { 1393 ListScope Group(W, "Symbols"); 1394 1395 for (const SymbolRef &Symbol : Obj->symbols()) 1396 printSymbol(Symbol); 1397 } 1398 1399 void COFFDumper::printDynamicSymbols() { ListScope Group(W, "DynamicSymbols"); } 1400 1401 static ErrorOr<StringRef> 1402 getSectionName(const llvm::object::COFFObjectFile *Obj, int32_t SectionNumber, 1403 const coff_section *Section) { 1404 if (Section) { 1405 StringRef SectionName; 1406 if (std::error_code EC = Obj->getSectionName(Section, SectionName)) 1407 return EC; 1408 return SectionName; 1409 } 1410 if (SectionNumber == llvm::COFF::IMAGE_SYM_DEBUG) 1411 return StringRef("IMAGE_SYM_DEBUG"); 1412 if (SectionNumber == llvm::COFF::IMAGE_SYM_ABSOLUTE) 1413 return StringRef("IMAGE_SYM_ABSOLUTE"); 1414 if (SectionNumber == llvm::COFF::IMAGE_SYM_UNDEFINED) 1415 return StringRef("IMAGE_SYM_UNDEFINED"); 1416 return StringRef(""); 1417 } 1418 1419 void COFFDumper::printSymbol(const SymbolRef &Sym) { 1420 DictScope D(W, "Symbol"); 1421 1422 COFFSymbolRef Symbol = Obj->getCOFFSymbol(Sym); 1423 const coff_section *Section; 1424 if (std::error_code EC = Obj->getSection(Symbol.getSectionNumber(), Section)) { 1425 W.startLine() << "Invalid section number: " << EC.message() << "\n"; 1426 W.flush(); 1427 return; 1428 } 1429 1430 StringRef SymbolName; 1431 if (Obj->getSymbolName(Symbol, SymbolName)) 1432 SymbolName = ""; 1433 1434 StringRef SectionName = ""; 1435 ErrorOr<StringRef> Res = 1436 getSectionName(Obj, Symbol.getSectionNumber(), Section); 1437 if (Res) 1438 SectionName = *Res; 1439 1440 W.printString("Name", SymbolName); 1441 W.printNumber("Value", Symbol.getValue()); 1442 W.printNumber("Section", SectionName, Symbol.getSectionNumber()); 1443 W.printEnum ("BaseType", Symbol.getBaseType(), makeArrayRef(ImageSymType)); 1444 W.printEnum ("ComplexType", Symbol.getComplexType(), 1445 makeArrayRef(ImageSymDType)); 1446 W.printEnum ("StorageClass", Symbol.getStorageClass(), 1447 makeArrayRef(ImageSymClass)); 1448 W.printNumber("AuxSymbolCount", Symbol.getNumberOfAuxSymbols()); 1449 1450 for (uint8_t I = 0; I < Symbol.getNumberOfAuxSymbols(); ++I) { 1451 if (Symbol.isFunctionDefinition()) { 1452 const coff_aux_function_definition *Aux; 1453 error(getSymbolAuxData(Obj, Symbol, I, Aux)); 1454 1455 DictScope AS(W, "AuxFunctionDef"); 1456 W.printNumber("TagIndex", Aux->TagIndex); 1457 W.printNumber("TotalSize", Aux->TotalSize); 1458 W.printHex("PointerToLineNumber", Aux->PointerToLinenumber); 1459 W.printHex("PointerToNextFunction", Aux->PointerToNextFunction); 1460 1461 } else if (Symbol.isAnyUndefined()) { 1462 const coff_aux_weak_external *Aux; 1463 error(getSymbolAuxData(Obj, Symbol, I, Aux)); 1464 1465 Expected<COFFSymbolRef> Linked = Obj->getSymbol(Aux->TagIndex); 1466 StringRef LinkedName; 1467 std::error_code EC = errorToErrorCode(Linked.takeError()); 1468 if (EC || (EC = Obj->getSymbolName(*Linked, LinkedName))) { 1469 LinkedName = ""; 1470 error(EC); 1471 } 1472 1473 DictScope AS(W, "AuxWeakExternal"); 1474 W.printNumber("Linked", LinkedName, Aux->TagIndex); 1475 W.printEnum ("Search", Aux->Characteristics, 1476 makeArrayRef(WeakExternalCharacteristics)); 1477 1478 } else if (Symbol.isFileRecord()) { 1479 const char *FileName; 1480 error(getSymbolAuxData(Obj, Symbol, I, FileName)); 1481 1482 DictScope AS(W, "AuxFileRecord"); 1483 1484 StringRef Name(FileName, Symbol.getNumberOfAuxSymbols() * 1485 Obj->getSymbolTableEntrySize()); 1486 W.printString("FileName", Name.rtrim(StringRef("\0", 1))); 1487 break; 1488 } else if (Symbol.isSectionDefinition()) { 1489 const coff_aux_section_definition *Aux; 1490 error(getSymbolAuxData(Obj, Symbol, I, Aux)); 1491 1492 int32_t AuxNumber = Aux->getNumber(Symbol.isBigObj()); 1493 1494 DictScope AS(W, "AuxSectionDef"); 1495 W.printNumber("Length", Aux->Length); 1496 W.printNumber("RelocationCount", Aux->NumberOfRelocations); 1497 W.printNumber("LineNumberCount", Aux->NumberOfLinenumbers); 1498 W.printHex("Checksum", Aux->CheckSum); 1499 W.printNumber("Number", AuxNumber); 1500 W.printEnum("Selection", Aux->Selection, makeArrayRef(ImageCOMDATSelect)); 1501 1502 if (Section && Section->Characteristics & COFF::IMAGE_SCN_LNK_COMDAT 1503 && Aux->Selection == COFF::IMAGE_COMDAT_SELECT_ASSOCIATIVE) { 1504 const coff_section *Assoc; 1505 StringRef AssocName = ""; 1506 std::error_code EC = Obj->getSection(AuxNumber, Assoc); 1507 ErrorOr<StringRef> Res = getSectionName(Obj, AuxNumber, Assoc); 1508 if (Res) 1509 AssocName = *Res; 1510 if (!EC) 1511 EC = Res.getError(); 1512 if (EC) { 1513 AssocName = ""; 1514 error(EC); 1515 } 1516 1517 W.printNumber("AssocSection", AssocName, AuxNumber); 1518 } 1519 } else if (Symbol.isCLRToken()) { 1520 const coff_aux_clr_token *Aux; 1521 error(getSymbolAuxData(Obj, Symbol, I, Aux)); 1522 1523 Expected<COFFSymbolRef> ReferredSym = 1524 Obj->getSymbol(Aux->SymbolTableIndex); 1525 StringRef ReferredName; 1526 std::error_code EC = errorToErrorCode(ReferredSym.takeError()); 1527 if (EC || (EC = Obj->getSymbolName(*ReferredSym, ReferredName))) { 1528 ReferredName = ""; 1529 error(EC); 1530 } 1531 1532 DictScope AS(W, "AuxCLRToken"); 1533 W.printNumber("AuxType", Aux->AuxType); 1534 W.printNumber("Reserved", Aux->Reserved); 1535 W.printNumber("SymbolTableIndex", ReferredName, Aux->SymbolTableIndex); 1536 1537 } else { 1538 W.startLine() << "<unhandled auxiliary record>\n"; 1539 } 1540 } 1541 } 1542 1543 void COFFDumper::printUnwindInfo() { 1544 ListScope D(W, "UnwindInformation"); 1545 switch (Obj->getMachine()) { 1546 case COFF::IMAGE_FILE_MACHINE_AMD64: { 1547 Win64EH::Dumper Dumper(W); 1548 Win64EH::Dumper::SymbolResolver 1549 Resolver = [](const object::coff_section *Section, uint64_t Offset, 1550 SymbolRef &Symbol, void *user_data) -> std::error_code { 1551 COFFDumper *Dumper = reinterpret_cast<COFFDumper *>(user_data); 1552 return Dumper->resolveSymbol(Section, Offset, Symbol); 1553 }; 1554 Win64EH::Dumper::Context Ctx(*Obj, Resolver, this); 1555 Dumper.printData(Ctx); 1556 break; 1557 } 1558 case COFF::IMAGE_FILE_MACHINE_ARM64: 1559 case COFF::IMAGE_FILE_MACHINE_ARMNT: { 1560 ARM::WinEH::Decoder Decoder(W, Obj->getMachine() == 1561 COFF::IMAGE_FILE_MACHINE_ARM64); 1562 Decoder.dumpProcedureData(*Obj); 1563 break; 1564 } 1565 default: 1566 W.printEnum("unsupported Image Machine", Obj->getMachine(), 1567 makeArrayRef(ImageFileMachineType)); 1568 break; 1569 } 1570 } 1571 1572 void COFFDumper::printNeededLibraries() { 1573 ListScope D(W, "NeededLibraries"); 1574 1575 using LibsTy = std::vector<StringRef>; 1576 LibsTy Libs; 1577 1578 for (const ImportDirectoryEntryRef &DirRef : Obj->import_directories()) { 1579 StringRef Name; 1580 if (!DirRef.getName(Name)) 1581 Libs.push_back(Name); 1582 } 1583 1584 std::stable_sort(Libs.begin(), Libs.end()); 1585 1586 for (const auto &L : Libs) { 1587 outs() << " " << L << "\n"; 1588 } 1589 } 1590 1591 void COFFDumper::printImportedSymbols( 1592 iterator_range<imported_symbol_iterator> Range) { 1593 for (const ImportedSymbolRef &I : Range) { 1594 StringRef Sym; 1595 error(I.getSymbolName(Sym)); 1596 uint16_t Ordinal; 1597 error(I.getOrdinal(Ordinal)); 1598 W.printNumber("Symbol", Sym, Ordinal); 1599 } 1600 } 1601 1602 void COFFDumper::printDelayImportedSymbols( 1603 const DelayImportDirectoryEntryRef &I, 1604 iterator_range<imported_symbol_iterator> Range) { 1605 int Index = 0; 1606 for (const ImportedSymbolRef &S : Range) { 1607 DictScope Import(W, "Import"); 1608 StringRef Sym; 1609 error(S.getSymbolName(Sym)); 1610 uint16_t Ordinal; 1611 error(S.getOrdinal(Ordinal)); 1612 W.printNumber("Symbol", Sym, Ordinal); 1613 uint64_t Addr; 1614 error(I.getImportAddress(Index++, Addr)); 1615 W.printHex("Address", Addr); 1616 } 1617 } 1618 1619 void COFFDumper::printCOFFImports() { 1620 // Regular imports 1621 for (const ImportDirectoryEntryRef &I : Obj->import_directories()) { 1622 DictScope Import(W, "Import"); 1623 StringRef Name; 1624 error(I.getName(Name)); 1625 W.printString("Name", Name); 1626 uint32_t ILTAddr; 1627 error(I.getImportLookupTableRVA(ILTAddr)); 1628 W.printHex("ImportLookupTableRVA", ILTAddr); 1629 uint32_t IATAddr; 1630 error(I.getImportAddressTableRVA(IATAddr)); 1631 W.printHex("ImportAddressTableRVA", IATAddr); 1632 // The import lookup table can be missing with certain older linkers, so 1633 // fall back to the import address table in that case. 1634 if (ILTAddr) 1635 printImportedSymbols(I.lookup_table_symbols()); 1636 else 1637 printImportedSymbols(I.imported_symbols()); 1638 } 1639 1640 // Delay imports 1641 for (const DelayImportDirectoryEntryRef &I : Obj->delay_import_directories()) { 1642 DictScope Import(W, "DelayImport"); 1643 StringRef Name; 1644 error(I.getName(Name)); 1645 W.printString("Name", Name); 1646 const delay_import_directory_table_entry *Table; 1647 error(I.getDelayImportTable(Table)); 1648 W.printHex("Attributes", Table->Attributes); 1649 W.printHex("ModuleHandle", Table->ModuleHandle); 1650 W.printHex("ImportAddressTable", Table->DelayImportAddressTable); 1651 W.printHex("ImportNameTable", Table->DelayImportNameTable); 1652 W.printHex("BoundDelayImportTable", Table->BoundDelayImportTable); 1653 W.printHex("UnloadDelayImportTable", Table->UnloadDelayImportTable); 1654 printDelayImportedSymbols(I, I.imported_symbols()); 1655 } 1656 } 1657 1658 void COFFDumper::printCOFFExports() { 1659 for (const ExportDirectoryEntryRef &E : Obj->export_directories()) { 1660 DictScope Export(W, "Export"); 1661 1662 StringRef Name; 1663 uint32_t Ordinal, RVA; 1664 1665 error(E.getSymbolName(Name)); 1666 error(E.getOrdinal(Ordinal)); 1667 error(E.getExportRVA(RVA)); 1668 1669 W.printNumber("Ordinal", Ordinal); 1670 W.printString("Name", Name); 1671 W.printHex("RVA", RVA); 1672 } 1673 } 1674 1675 void COFFDumper::printCOFFDirectives() { 1676 for (const SectionRef &Section : Obj->sections()) { 1677 StringRef Contents; 1678 StringRef Name; 1679 1680 error(Section.getName(Name)); 1681 if (Name != ".drectve") 1682 continue; 1683 1684 error(Section.getContents(Contents)); 1685 1686 W.printString("Directive(s)", Contents); 1687 } 1688 } 1689 1690 static std::string getBaseRelocTypeName(uint8_t Type) { 1691 switch (Type) { 1692 case COFF::IMAGE_REL_BASED_ABSOLUTE: return "ABSOLUTE"; 1693 case COFF::IMAGE_REL_BASED_HIGH: return "HIGH"; 1694 case COFF::IMAGE_REL_BASED_LOW: return "LOW"; 1695 case COFF::IMAGE_REL_BASED_HIGHLOW: return "HIGHLOW"; 1696 case COFF::IMAGE_REL_BASED_HIGHADJ: return "HIGHADJ"; 1697 case COFF::IMAGE_REL_BASED_ARM_MOV32T: return "ARM_MOV32(T)"; 1698 case COFF::IMAGE_REL_BASED_DIR64: return "DIR64"; 1699 default: return "unknown (" + llvm::utostr(Type) + ")"; 1700 } 1701 } 1702 1703 void COFFDumper::printCOFFBaseReloc() { 1704 ListScope D(W, "BaseReloc"); 1705 for (const BaseRelocRef &I : Obj->base_relocs()) { 1706 uint8_t Type; 1707 uint32_t RVA; 1708 error(I.getRVA(RVA)); 1709 error(I.getType(Type)); 1710 DictScope Import(W, "Entry"); 1711 W.printString("Type", getBaseRelocTypeName(Type)); 1712 W.printHex("Address", RVA); 1713 } 1714 } 1715 1716 void COFFDumper::printCOFFResources() { 1717 ListScope ResourcesD(W, "Resources"); 1718 for (const SectionRef &S : Obj->sections()) { 1719 StringRef Name; 1720 error(S.getName(Name)); 1721 if (!Name.startswith(".rsrc")) 1722 continue; 1723 1724 StringRef Ref; 1725 error(S.getContents(Ref)); 1726 1727 if ((Name == ".rsrc") || (Name == ".rsrc$01")) { 1728 ResourceSectionRef RSF(Ref); 1729 auto &BaseTable = unwrapOrError(RSF.getBaseTable()); 1730 W.printNumber("Total Number of Resources", 1731 countTotalTableEntries(RSF, BaseTable, "Type")); 1732 W.printHex("Base Table Address", 1733 Obj->getCOFFSection(S)->PointerToRawData); 1734 W.startLine() << "\n"; 1735 printResourceDirectoryTable(RSF, BaseTable, "Type"); 1736 } 1737 if (opts::SectionData) 1738 W.printBinaryBlock(Name.str() + " Data", Ref); 1739 } 1740 } 1741 1742 uint32_t 1743 COFFDumper::countTotalTableEntries(ResourceSectionRef RSF, 1744 const coff_resource_dir_table &Table, 1745 StringRef Level) { 1746 uint32_t TotalEntries = 0; 1747 for (int i = 0; i < Table.NumberOfNameEntries + Table.NumberOfIDEntries; 1748 i++) { 1749 auto Entry = unwrapOrError(getResourceDirectoryTableEntry(Table, i)); 1750 if (Entry.Offset.isSubDir()) { 1751 StringRef NextLevel; 1752 if (Level == "Name") 1753 NextLevel = "Language"; 1754 else 1755 NextLevel = "Name"; 1756 auto &NextTable = unwrapOrError(RSF.getEntrySubDir(Entry)); 1757 TotalEntries += countTotalTableEntries(RSF, NextTable, NextLevel); 1758 } else { 1759 TotalEntries += 1; 1760 } 1761 } 1762 return TotalEntries; 1763 } 1764 1765 void COFFDumper::printResourceDirectoryTable( 1766 ResourceSectionRef RSF, const coff_resource_dir_table &Table, 1767 StringRef Level) { 1768 1769 W.printNumber("Number of String Entries", Table.NumberOfNameEntries); 1770 W.printNumber("Number of ID Entries", Table.NumberOfIDEntries); 1771 1772 // Iterate through level in resource directory tree. 1773 for (int i = 0; i < Table.NumberOfNameEntries + Table.NumberOfIDEntries; 1774 i++) { 1775 auto Entry = unwrapOrError(getResourceDirectoryTableEntry(Table, i)); 1776 StringRef Name; 1777 SmallString<20> IDStr; 1778 raw_svector_ostream OS(IDStr); 1779 if (i < Table.NumberOfNameEntries) { 1780 ArrayRef<UTF16> RawEntryNameString = unwrapOrError(RSF.getEntryNameString(Entry)); 1781 std::vector<UTF16> EndianCorrectedNameString; 1782 if (llvm::sys::IsBigEndianHost) { 1783 EndianCorrectedNameString.resize(RawEntryNameString.size() + 1); 1784 std::copy(RawEntryNameString.begin(), RawEntryNameString.end(), 1785 EndianCorrectedNameString.begin() + 1); 1786 EndianCorrectedNameString[0] = UNI_UTF16_BYTE_ORDER_MARK_SWAPPED; 1787 RawEntryNameString = makeArrayRef(EndianCorrectedNameString); 1788 } 1789 std::string EntryNameString; 1790 if (!llvm::convertUTF16ToUTF8String(RawEntryNameString, EntryNameString)) 1791 error(object_error::parse_failed); 1792 OS << ": "; 1793 OS << EntryNameString; 1794 } else { 1795 if (Level == "Type") { 1796 ScopedPrinter Printer(OS); 1797 Printer.printEnum("", Entry.Identifier.ID, 1798 makeArrayRef(ResourceTypeNames)); 1799 IDStr = IDStr.slice(0, IDStr.find_first_of(")", 0) + 1); 1800 } else { 1801 OS << ": (ID " << Entry.Identifier.ID << ")"; 1802 } 1803 } 1804 Name = StringRef(IDStr); 1805 ListScope ResourceType(W, Level.str() + Name.str()); 1806 if (Entry.Offset.isSubDir()) { 1807 W.printHex("Table Offset", Entry.Offset.value()); 1808 StringRef NextLevel; 1809 if (Level == "Name") 1810 NextLevel = "Language"; 1811 else 1812 NextLevel = "Name"; 1813 auto &NextTable = unwrapOrError(RSF.getEntrySubDir(Entry)); 1814 printResourceDirectoryTable(RSF, NextTable, NextLevel); 1815 } else { 1816 W.printHex("Entry Offset", Entry.Offset.value()); 1817 char FormattedTime[20] = {}; 1818 time_t TDS = time_t(Table.TimeDateStamp); 1819 strftime(FormattedTime, 20, "%Y-%m-%d %H:%M:%S", gmtime(&TDS)); 1820 W.printHex("Time/Date Stamp", FormattedTime, Table.TimeDateStamp); 1821 W.printNumber("Major Version", Table.MajorVersion); 1822 W.printNumber("Minor Version", Table.MinorVersion); 1823 W.printNumber("Characteristics", Table.Characteristics); 1824 } 1825 } 1826 } 1827 1828 ErrorOr<const coff_resource_dir_entry &> 1829 COFFDumper::getResourceDirectoryTableEntry(const coff_resource_dir_table &Table, 1830 uint32_t Index) { 1831 if (Index >= (uint32_t)(Table.NumberOfNameEntries + Table.NumberOfIDEntries)) 1832 return object_error::parse_failed; 1833 auto TablePtr = reinterpret_cast<const coff_resource_dir_entry *>(&Table + 1); 1834 return TablePtr[Index]; 1835 } 1836 1837 void COFFDumper::printStackMap() const { 1838 object::SectionRef StackMapSection; 1839 for (auto Sec : Obj->sections()) { 1840 StringRef Name; 1841 Sec.getName(Name); 1842 if (Name == ".llvm_stackmaps") { 1843 StackMapSection = Sec; 1844 break; 1845 } 1846 } 1847 1848 if (StackMapSection == object::SectionRef()) 1849 return; 1850 1851 StringRef StackMapContents; 1852 StackMapSection.getContents(StackMapContents); 1853 ArrayRef<uint8_t> StackMapContentsArray( 1854 reinterpret_cast<const uint8_t*>(StackMapContents.data()), 1855 StackMapContents.size()); 1856 1857 if (Obj->isLittleEndian()) 1858 prettyPrintStackMap( 1859 W, StackMapV2Parser<support::little>(StackMapContentsArray)); 1860 else 1861 prettyPrintStackMap(W, 1862 StackMapV2Parser<support::big>(StackMapContentsArray)); 1863 } 1864 1865 void COFFDumper::printAddrsig() { 1866 object::SectionRef AddrsigSection; 1867 for (auto Sec : Obj->sections()) { 1868 StringRef Name; 1869 Sec.getName(Name); 1870 if (Name == ".llvm_addrsig") { 1871 AddrsigSection = Sec; 1872 break; 1873 } 1874 } 1875 1876 if (AddrsigSection == object::SectionRef()) 1877 return; 1878 1879 StringRef AddrsigContents; 1880 AddrsigSection.getContents(AddrsigContents); 1881 ArrayRef<uint8_t> AddrsigContentsArray( 1882 reinterpret_cast<const uint8_t*>(AddrsigContents.data()), 1883 AddrsigContents.size()); 1884 1885 ListScope L(W, "Addrsig"); 1886 auto *Cur = reinterpret_cast<const uint8_t *>(AddrsigContents.begin()); 1887 auto *End = reinterpret_cast<const uint8_t *>(AddrsigContents.end()); 1888 while (Cur != End) { 1889 unsigned Size; 1890 const char *Err; 1891 uint64_t SymIndex = decodeULEB128(Cur, &Size, End, &Err); 1892 if (Err) 1893 reportError(Err); 1894 1895 Expected<COFFSymbolRef> Sym = Obj->getSymbol(SymIndex); 1896 StringRef SymName; 1897 std::error_code EC = errorToErrorCode(Sym.takeError()); 1898 if (EC || (EC = Obj->getSymbolName(*Sym, SymName))) { 1899 SymName = ""; 1900 error(EC); 1901 } 1902 1903 W.printNumber("Sym", SymName, SymIndex); 1904 Cur += Size; 1905 } 1906 } 1907 1908 void llvm::dumpCodeViewMergedTypes( 1909 ScopedPrinter &Writer, llvm::codeview::MergingTypeTableBuilder &IDTable, 1910 llvm::codeview::MergingTypeTableBuilder &CVTypes) { 1911 // Flatten it first, then run our dumper on it. 1912 SmallString<0> TypeBuf; 1913 CVTypes.ForEachRecord([&](TypeIndex TI, const CVType &Record) { 1914 TypeBuf.append(Record.RecordData.begin(), Record.RecordData.end()); 1915 }); 1916 1917 TypeTableCollection TpiTypes(CVTypes.records()); 1918 { 1919 ListScope S(Writer, "MergedTypeStream"); 1920 TypeDumpVisitor TDV(TpiTypes, &Writer, opts::CodeViewSubsectionBytes); 1921 error(codeview::visitTypeStream(TpiTypes, TDV)); 1922 Writer.flush(); 1923 } 1924 1925 // Flatten the id stream and print it next. The ID stream refers to names from 1926 // the type stream. 1927 TypeTableCollection IpiTypes(IDTable.records()); 1928 { 1929 ListScope S(Writer, "MergedIDStream"); 1930 TypeDumpVisitor TDV(TpiTypes, &Writer, opts::CodeViewSubsectionBytes); 1931 TDV.setIpiTypes(IpiTypes); 1932 error(codeview::visitTypeStream(IpiTypes, TDV)); 1933 Writer.flush(); 1934 } 1935 } 1936