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