1 //===-- COFFDumper.cpp - COFF-specific dumper -------------------*- C++ -*-===// 2 // 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 // See https://llvm.org/LICENSE.txt for license information. 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 // 7 //===----------------------------------------------------------------------===// 8 /// 9 /// \file 10 /// This file implements the COFF-specific dumper for llvm-readobj. 11 /// 12 //===----------------------------------------------------------------------===// 13 14 #include "ARMWinEHPrinter.h" 15 #include "Error.h" 16 #include "ObjDumper.h" 17 #include "StackMapPrinter.h" 18 #include "Win64EHDumper.h" 19 #include "llvm-readobj.h" 20 #include "llvm/ADT/DenseMap.h" 21 #include "llvm/ADT/SmallString.h" 22 #include "llvm/ADT/StringExtras.h" 23 #include "llvm/BinaryFormat/COFF.h" 24 #include "llvm/DebugInfo/CodeView/CVTypeVisitor.h" 25 #include "llvm/DebugInfo/CodeView/CodeView.h" 26 #include "llvm/DebugInfo/CodeView/DebugChecksumsSubsection.h" 27 #include "llvm/DebugInfo/CodeView/DebugFrameDataSubsection.h" 28 #include "llvm/DebugInfo/CodeView/DebugInlineeLinesSubsection.h" 29 #include "llvm/DebugInfo/CodeView/DebugLinesSubsection.h" 30 #include "llvm/DebugInfo/CodeView/DebugStringTableSubsection.h" 31 #include "llvm/DebugInfo/CodeView/LazyRandomTypeCollection.h" 32 #include "llvm/DebugInfo/CodeView/Line.h" 33 #include "llvm/DebugInfo/CodeView/MergingTypeTableBuilder.h" 34 #include "llvm/DebugInfo/CodeView/RecordSerialization.h" 35 #include "llvm/DebugInfo/CodeView/SymbolDumpDelegate.h" 36 #include "llvm/DebugInfo/CodeView/SymbolDumper.h" 37 #include "llvm/DebugInfo/CodeView/SymbolRecord.h" 38 #include "llvm/DebugInfo/CodeView/TypeDumpVisitor.h" 39 #include "llvm/DebugInfo/CodeView/TypeHashing.h" 40 #include "llvm/DebugInfo/CodeView/TypeIndex.h" 41 #include "llvm/DebugInfo/CodeView/TypeRecord.h" 42 #include "llvm/DebugInfo/CodeView/TypeStreamMerger.h" 43 #include "llvm/DebugInfo/CodeView/TypeTableCollection.h" 44 #include "llvm/Object/COFF.h" 45 #include "llvm/Object/ObjectFile.h" 46 #include "llvm/Object/WindowsResource.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/LEB128.h" 53 #include "llvm/Support/ScopedPrinter.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 static inline Error createError(const Twine &Err) { 64 return make_error<StringError>(Err, object_error::parse_failed); 65 } 66 67 namespace { 68 69 struct LoadConfigTables { 70 uint64_t SEHTableVA = 0; 71 uint64_t SEHTableCount = 0; 72 uint32_t GuardFlags = 0; 73 uint64_t GuardFidTableVA = 0; 74 uint64_t GuardFidTableCount = 0; 75 uint64_t GuardLJmpTableVA = 0; 76 uint64_t GuardLJmpTableCount = 0; 77 }; 78 79 class COFFDumper : public ObjDumper { 80 public: 81 friend class COFFObjectDumpDelegate; 82 COFFDumper(const llvm::object::COFFObjectFile *Obj, ScopedPrinter &Writer) 83 : ObjDumper(Writer), Obj(Obj), Writer(Writer), Types(100) {} 84 85 void printFileHeaders() override; 86 void printSectionHeaders() override; 87 void printRelocations() override; 88 void printUnwindInfo() override; 89 90 void printNeededLibraries() override; 91 92 void printCOFFImports() override; 93 void printCOFFExports() override; 94 void printCOFFDirectives() override; 95 void printCOFFBaseReloc() override; 96 void printCOFFDebugDirectory() override; 97 void printCOFFResources() override; 98 void printCOFFLoadConfig() override; 99 void printCodeViewDebugInfo() override; 100 void mergeCodeViewTypes(llvm::codeview::MergingTypeTableBuilder &CVIDs, 101 llvm::codeview::MergingTypeTableBuilder &CVTypes, 102 llvm::codeview::GlobalTypeTableBuilder &GlobalCVIDs, 103 llvm::codeview::GlobalTypeTableBuilder &GlobalCVTypes, 104 bool GHash) override; 105 void printStackMap() const override; 106 void printAddrsig() override; 107 private: 108 void printSymbols() override; 109 void printDynamicSymbols() override; 110 void printSymbol(const SymbolRef &Sym); 111 void printRelocation(const SectionRef &Section, const RelocationRef &Reloc, 112 uint64_t Bias = 0); 113 void printDataDirectory(uint32_t Index, const std::string &FieldName); 114 115 void printDOSHeader(const dos_header *DH); 116 template <class PEHeader> void printPEHeader(const PEHeader *Hdr); 117 void printBaseOfDataField(const pe32_header *Hdr); 118 void printBaseOfDataField(const pe32plus_header *Hdr); 119 template <typename T> 120 void printCOFFLoadConfig(const T *Conf, LoadConfigTables &Tables); 121 typedef void (*PrintExtraCB)(raw_ostream &, const uint8_t *); 122 void printRVATable(uint64_t TableVA, uint64_t Count, uint64_t EntrySize, 123 PrintExtraCB PrintExtra = 0); 124 125 void printCodeViewSymbolSection(StringRef SectionName, const SectionRef &Section); 126 void printCodeViewTypeSection(StringRef SectionName, const SectionRef &Section); 127 StringRef getTypeName(TypeIndex Ty); 128 StringRef getFileNameForFileOffset(uint32_t FileOffset); 129 void printFileNameForOffset(StringRef Label, uint32_t FileOffset); 130 void printTypeIndex(StringRef FieldName, TypeIndex TI) { 131 // Forward to CVTypeDumper for simplicity. 132 codeview::printTypeIndex(Writer, FieldName, TI, Types); 133 } 134 135 void printCodeViewSymbolsSubsection(StringRef Subsection, 136 const SectionRef &Section, 137 StringRef SectionContents); 138 139 void printCodeViewFileChecksums(StringRef Subsection); 140 141 void printCodeViewInlineeLines(StringRef Subsection); 142 143 void printRelocatedField(StringRef Label, const coff_section *Sec, 144 uint32_t RelocOffset, uint32_t Offset, 145 StringRef *RelocSym = nullptr); 146 147 uint32_t countTotalTableEntries(ResourceSectionRef RSF, 148 const coff_resource_dir_table &Table, 149 StringRef Level); 150 151 void printResourceDirectoryTable(ResourceSectionRef RSF, 152 const coff_resource_dir_table &Table, 153 StringRef Level); 154 155 void printBinaryBlockWithRelocs(StringRef Label, const SectionRef &Sec, 156 StringRef SectionContents, StringRef Block); 157 158 /// Given a .debug$S section, find the string table and file checksum table. 159 void initializeFileAndStringTables(BinaryStreamReader &Reader); 160 161 void cacheRelocations(); 162 163 std::error_code resolveSymbol(const coff_section *Section, uint64_t Offset, 164 SymbolRef &Sym); 165 std::error_code resolveSymbolName(const coff_section *Section, 166 uint64_t Offset, StringRef &Name); 167 std::error_code resolveSymbolName(const coff_section *Section, 168 StringRef SectionContents, 169 const void *RelocPtr, StringRef &Name); 170 void printImportedSymbols(iterator_range<imported_symbol_iterator> Range); 171 void printDelayImportedSymbols( 172 const DelayImportDirectoryEntryRef &I, 173 iterator_range<imported_symbol_iterator> Range); 174 Expected<const coff_resource_dir_entry &> 175 getResourceDirectoryTableEntry(const coff_resource_dir_table &Table, 176 uint32_t Index); 177 178 typedef DenseMap<const coff_section*, std::vector<RelocationRef> > RelocMapTy; 179 180 const llvm::object::COFFObjectFile *Obj; 181 bool RelocCached = false; 182 RelocMapTy RelocMap; 183 184 DebugChecksumsSubsectionRef CVFileChecksumTable; 185 186 DebugStringTableSubsectionRef CVStringTable; 187 188 /// Track the compilation CPU type. S_COMPILE3 symbol records typically come 189 /// first, but if we don't see one, just assume an X64 CPU type. It is common. 190 CPUType CompilationCPUType = CPUType::X64; 191 192 ScopedPrinter &Writer; 193 BinaryByteStream TypeContents; 194 LazyRandomTypeCollection Types; 195 }; 196 197 class COFFObjectDumpDelegate : public SymbolDumpDelegate { 198 public: 199 COFFObjectDumpDelegate(COFFDumper &CD, const SectionRef &SR, 200 const COFFObjectFile *Obj, StringRef SectionContents) 201 : CD(CD), SR(SR), SectionContents(SectionContents) { 202 Sec = Obj->getCOFFSection(SR); 203 } 204 205 uint32_t getRecordOffset(BinaryStreamReader Reader) override { 206 ArrayRef<uint8_t> Data; 207 if (auto EC = Reader.readLongestContiguousChunk(Data)) { 208 llvm::consumeError(std::move(EC)); 209 return 0; 210 } 211 return Data.data() - SectionContents.bytes_begin(); 212 } 213 214 void printRelocatedField(StringRef Label, uint32_t RelocOffset, 215 uint32_t Offset, StringRef *RelocSym) override { 216 CD.printRelocatedField(Label, Sec, RelocOffset, Offset, RelocSym); 217 } 218 219 void printBinaryBlockWithRelocs(StringRef Label, 220 ArrayRef<uint8_t> Block) override { 221 StringRef SBlock(reinterpret_cast<const char *>(Block.data()), 222 Block.size()); 223 if (opts::CodeViewSubsectionBytes) 224 CD.printBinaryBlockWithRelocs(Label, SR, SectionContents, SBlock); 225 } 226 227 StringRef getFileNameForFileOffset(uint32_t FileOffset) override { 228 return CD.getFileNameForFileOffset(FileOffset); 229 } 230 231 DebugStringTableSubsectionRef getStringTable() override { 232 return CD.CVStringTable; 233 } 234 235 private: 236 COFFDumper &CD; 237 const SectionRef &SR; 238 const coff_section *Sec; 239 StringRef SectionContents; 240 }; 241 242 } // end namespace 243 244 namespace llvm { 245 246 std::error_code createCOFFDumper(const object::ObjectFile *Obj, 247 ScopedPrinter &Writer, 248 std::unique_ptr<ObjDumper> &Result) { 249 const COFFObjectFile *COFFObj = dyn_cast<COFFObjectFile>(Obj); 250 if (!COFFObj) 251 return readobj_error::unsupported_obj_file_format; 252 253 Result.reset(new COFFDumper(COFFObj, Writer)); 254 return readobj_error::success; 255 } 256 257 } // namespace llvm 258 259 // Given a section and an offset into this section the function returns the 260 // symbol used for the relocation at the offset. 261 std::error_code COFFDumper::resolveSymbol(const coff_section *Section, 262 uint64_t Offset, SymbolRef &Sym) { 263 cacheRelocations(); 264 const auto &Relocations = RelocMap[Section]; 265 auto SymI = Obj->symbol_end(); 266 for (const auto &Relocation : Relocations) { 267 uint64_t RelocationOffset = Relocation.getOffset(); 268 269 if (RelocationOffset == Offset) { 270 SymI = Relocation.getSymbol(); 271 break; 272 } 273 } 274 if (SymI == Obj->symbol_end()) 275 return readobj_error::unknown_symbol; 276 Sym = *SymI; 277 return readobj_error::success; 278 } 279 280 // Given a section and an offset into this section the function returns the name 281 // of the symbol used for the relocation at the offset. 282 std::error_code COFFDumper::resolveSymbolName(const coff_section *Section, 283 uint64_t Offset, 284 StringRef &Name) { 285 SymbolRef Symbol; 286 if (std::error_code EC = resolveSymbol(Section, Offset, Symbol)) 287 return EC; 288 Expected<StringRef> NameOrErr = Symbol.getName(); 289 if (!NameOrErr) 290 return errorToErrorCode(NameOrErr.takeError()); 291 Name = *NameOrErr; 292 return std::error_code(); 293 } 294 295 // Helper for when you have a pointer to real data and you want to know about 296 // relocations against it. 297 std::error_code COFFDumper::resolveSymbolName(const coff_section *Section, 298 StringRef SectionContents, 299 const void *RelocPtr, 300 StringRef &Name) { 301 assert(SectionContents.data() < RelocPtr && 302 RelocPtr < SectionContents.data() + SectionContents.size() && 303 "pointer to relocated object is not in section"); 304 uint64_t Offset = ptrdiff_t(reinterpret_cast<const char *>(RelocPtr) - 305 SectionContents.data()); 306 return resolveSymbolName(Section, Offset, Name); 307 } 308 309 void COFFDumper::printRelocatedField(StringRef Label, const coff_section *Sec, 310 uint32_t RelocOffset, uint32_t Offset, 311 StringRef *RelocSym) { 312 StringRef SymStorage; 313 StringRef &Symbol = RelocSym ? *RelocSym : SymStorage; 314 if (!resolveSymbolName(Sec, RelocOffset, Symbol)) 315 W.printSymbolOffset(Label, Symbol, Offset); 316 else 317 W.printHex(Label, RelocOffset); 318 } 319 320 void COFFDumper::printBinaryBlockWithRelocs(StringRef Label, 321 const SectionRef &Sec, 322 StringRef SectionContents, 323 StringRef Block) { 324 W.printBinaryBlock(Label, Block); 325 326 assert(SectionContents.begin() < Block.begin() && 327 SectionContents.end() >= Block.end() && 328 "Block is not contained in SectionContents"); 329 uint64_t OffsetStart = Block.data() - SectionContents.data(); 330 uint64_t OffsetEnd = OffsetStart + Block.size(); 331 332 W.flush(); 333 cacheRelocations(); 334 ListScope D(W, "BlockRelocations"); 335 const coff_section *Section = Obj->getCOFFSection(Sec); 336 const auto &Relocations = RelocMap[Section]; 337 for (const auto &Relocation : Relocations) { 338 uint64_t RelocationOffset = Relocation.getOffset(); 339 if (OffsetStart <= RelocationOffset && RelocationOffset < OffsetEnd) 340 printRelocation(Sec, Relocation, OffsetStart); 341 } 342 } 343 344 static const EnumEntry<COFF::MachineTypes> ImageFileMachineType[] = { 345 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_UNKNOWN ), 346 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_AM33 ), 347 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_AMD64 ), 348 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_ARM ), 349 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_ARM64 ), 350 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_ARMNT ), 351 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_EBC ), 352 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_I386 ), 353 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_IA64 ), 354 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_M32R ), 355 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_MIPS16 ), 356 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_MIPSFPU ), 357 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_MIPSFPU16), 358 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_POWERPC ), 359 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_POWERPCFP), 360 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_R4000 ), 361 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_SH3 ), 362 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_SH3DSP ), 363 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_SH4 ), 364 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_SH5 ), 365 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_THUMB ), 366 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_WCEMIPSV2) 367 }; 368 369 static const EnumEntry<COFF::Characteristics> ImageFileCharacteristics[] = { 370 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_RELOCS_STRIPPED ), 371 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_EXECUTABLE_IMAGE ), 372 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_LINE_NUMS_STRIPPED ), 373 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_LOCAL_SYMS_STRIPPED ), 374 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_AGGRESSIVE_WS_TRIM ), 375 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_LARGE_ADDRESS_AWARE ), 376 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_BYTES_REVERSED_LO ), 377 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_32BIT_MACHINE ), 378 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_DEBUG_STRIPPED ), 379 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_REMOVABLE_RUN_FROM_SWAP), 380 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_NET_RUN_FROM_SWAP ), 381 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_SYSTEM ), 382 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_DLL ), 383 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_UP_SYSTEM_ONLY ), 384 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_BYTES_REVERSED_HI ) 385 }; 386 387 static const EnumEntry<COFF::WindowsSubsystem> PEWindowsSubsystem[] = { 388 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SUBSYSTEM_UNKNOWN ), 389 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SUBSYSTEM_NATIVE ), 390 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SUBSYSTEM_WINDOWS_GUI ), 391 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SUBSYSTEM_WINDOWS_CUI ), 392 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SUBSYSTEM_POSIX_CUI ), 393 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SUBSYSTEM_WINDOWS_CE_GUI ), 394 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SUBSYSTEM_EFI_APPLICATION ), 395 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SUBSYSTEM_EFI_BOOT_SERVICE_DRIVER), 396 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SUBSYSTEM_EFI_RUNTIME_DRIVER ), 397 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SUBSYSTEM_EFI_ROM ), 398 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SUBSYSTEM_XBOX ), 399 }; 400 401 static const EnumEntry<COFF::DLLCharacteristics> PEDLLCharacteristics[] = { 402 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_DLL_CHARACTERISTICS_HIGH_ENTROPY_VA ), 403 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_DLL_CHARACTERISTICS_DYNAMIC_BASE ), 404 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_DLL_CHARACTERISTICS_FORCE_INTEGRITY ), 405 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_DLL_CHARACTERISTICS_NX_COMPAT ), 406 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_DLL_CHARACTERISTICS_NO_ISOLATION ), 407 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_DLL_CHARACTERISTICS_NO_SEH ), 408 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_DLL_CHARACTERISTICS_NO_BIND ), 409 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_DLL_CHARACTERISTICS_APPCONTAINER ), 410 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_DLL_CHARACTERISTICS_WDM_DRIVER ), 411 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_DLL_CHARACTERISTICS_GUARD_CF ), 412 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_DLL_CHARACTERISTICS_TERMINAL_SERVER_AWARE), 413 }; 414 415 static const EnumEntry<COFF::SectionCharacteristics> 416 ImageSectionCharacteristics[] = { 417 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_TYPE_NOLOAD ), 418 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_TYPE_NO_PAD ), 419 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_CNT_CODE ), 420 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_CNT_INITIALIZED_DATA ), 421 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_CNT_UNINITIALIZED_DATA), 422 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_LNK_OTHER ), 423 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_LNK_INFO ), 424 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_LNK_REMOVE ), 425 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_LNK_COMDAT ), 426 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_GPREL ), 427 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_MEM_PURGEABLE ), 428 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_MEM_16BIT ), 429 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_MEM_LOCKED ), 430 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_MEM_PRELOAD ), 431 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_ALIGN_1BYTES ), 432 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_ALIGN_2BYTES ), 433 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_ALIGN_4BYTES ), 434 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_ALIGN_8BYTES ), 435 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_ALIGN_16BYTES ), 436 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_ALIGN_32BYTES ), 437 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_ALIGN_64BYTES ), 438 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_ALIGN_128BYTES ), 439 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_ALIGN_256BYTES ), 440 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_ALIGN_512BYTES ), 441 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_ALIGN_1024BYTES ), 442 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_ALIGN_2048BYTES ), 443 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_ALIGN_4096BYTES ), 444 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_ALIGN_8192BYTES ), 445 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_LNK_NRELOC_OVFL ), 446 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_MEM_DISCARDABLE ), 447 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_MEM_NOT_CACHED ), 448 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_MEM_NOT_PAGED ), 449 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_MEM_SHARED ), 450 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_MEM_EXECUTE ), 451 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_MEM_READ ), 452 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_MEM_WRITE ) 453 }; 454 455 static const EnumEntry<COFF::SymbolBaseType> ImageSymType[] = { 456 { "Null" , COFF::IMAGE_SYM_TYPE_NULL }, 457 { "Void" , COFF::IMAGE_SYM_TYPE_VOID }, 458 { "Char" , COFF::IMAGE_SYM_TYPE_CHAR }, 459 { "Short" , COFF::IMAGE_SYM_TYPE_SHORT }, 460 { "Int" , COFF::IMAGE_SYM_TYPE_INT }, 461 { "Long" , COFF::IMAGE_SYM_TYPE_LONG }, 462 { "Float" , COFF::IMAGE_SYM_TYPE_FLOAT }, 463 { "Double", COFF::IMAGE_SYM_TYPE_DOUBLE }, 464 { "Struct", COFF::IMAGE_SYM_TYPE_STRUCT }, 465 { "Union" , COFF::IMAGE_SYM_TYPE_UNION }, 466 { "Enum" , COFF::IMAGE_SYM_TYPE_ENUM }, 467 { "MOE" , COFF::IMAGE_SYM_TYPE_MOE }, 468 { "Byte" , COFF::IMAGE_SYM_TYPE_BYTE }, 469 { "Word" , COFF::IMAGE_SYM_TYPE_WORD }, 470 { "UInt" , COFF::IMAGE_SYM_TYPE_UINT }, 471 { "DWord" , COFF::IMAGE_SYM_TYPE_DWORD } 472 }; 473 474 static const EnumEntry<COFF::SymbolComplexType> ImageSymDType[] = { 475 { "Null" , COFF::IMAGE_SYM_DTYPE_NULL }, 476 { "Pointer" , COFF::IMAGE_SYM_DTYPE_POINTER }, 477 { "Function", COFF::IMAGE_SYM_DTYPE_FUNCTION }, 478 { "Array" , COFF::IMAGE_SYM_DTYPE_ARRAY } 479 }; 480 481 static const EnumEntry<COFF::SymbolStorageClass> ImageSymClass[] = { 482 { "EndOfFunction" , COFF::IMAGE_SYM_CLASS_END_OF_FUNCTION }, 483 { "Null" , COFF::IMAGE_SYM_CLASS_NULL }, 484 { "Automatic" , COFF::IMAGE_SYM_CLASS_AUTOMATIC }, 485 { "External" , COFF::IMAGE_SYM_CLASS_EXTERNAL }, 486 { "Static" , COFF::IMAGE_SYM_CLASS_STATIC }, 487 { "Register" , COFF::IMAGE_SYM_CLASS_REGISTER }, 488 { "ExternalDef" , COFF::IMAGE_SYM_CLASS_EXTERNAL_DEF }, 489 { "Label" , COFF::IMAGE_SYM_CLASS_LABEL }, 490 { "UndefinedLabel" , COFF::IMAGE_SYM_CLASS_UNDEFINED_LABEL }, 491 { "MemberOfStruct" , COFF::IMAGE_SYM_CLASS_MEMBER_OF_STRUCT }, 492 { "Argument" , COFF::IMAGE_SYM_CLASS_ARGUMENT }, 493 { "StructTag" , COFF::IMAGE_SYM_CLASS_STRUCT_TAG }, 494 { "MemberOfUnion" , COFF::IMAGE_SYM_CLASS_MEMBER_OF_UNION }, 495 { "UnionTag" , COFF::IMAGE_SYM_CLASS_UNION_TAG }, 496 { "TypeDefinition" , COFF::IMAGE_SYM_CLASS_TYPE_DEFINITION }, 497 { "UndefinedStatic", COFF::IMAGE_SYM_CLASS_UNDEFINED_STATIC }, 498 { "EnumTag" , COFF::IMAGE_SYM_CLASS_ENUM_TAG }, 499 { "MemberOfEnum" , COFF::IMAGE_SYM_CLASS_MEMBER_OF_ENUM }, 500 { "RegisterParam" , COFF::IMAGE_SYM_CLASS_REGISTER_PARAM }, 501 { "BitField" , COFF::IMAGE_SYM_CLASS_BIT_FIELD }, 502 { "Block" , COFF::IMAGE_SYM_CLASS_BLOCK }, 503 { "Function" , COFF::IMAGE_SYM_CLASS_FUNCTION }, 504 { "EndOfStruct" , COFF::IMAGE_SYM_CLASS_END_OF_STRUCT }, 505 { "File" , COFF::IMAGE_SYM_CLASS_FILE }, 506 { "Section" , COFF::IMAGE_SYM_CLASS_SECTION }, 507 { "WeakExternal" , COFF::IMAGE_SYM_CLASS_WEAK_EXTERNAL }, 508 { "CLRToken" , COFF::IMAGE_SYM_CLASS_CLR_TOKEN } 509 }; 510 511 static const EnumEntry<COFF::COMDATType> ImageCOMDATSelect[] = { 512 { "NoDuplicates", COFF::IMAGE_COMDAT_SELECT_NODUPLICATES }, 513 { "Any" , COFF::IMAGE_COMDAT_SELECT_ANY }, 514 { "SameSize" , COFF::IMAGE_COMDAT_SELECT_SAME_SIZE }, 515 { "ExactMatch" , COFF::IMAGE_COMDAT_SELECT_EXACT_MATCH }, 516 { "Associative" , COFF::IMAGE_COMDAT_SELECT_ASSOCIATIVE }, 517 { "Largest" , COFF::IMAGE_COMDAT_SELECT_LARGEST }, 518 { "Newest" , COFF::IMAGE_COMDAT_SELECT_NEWEST } 519 }; 520 521 static const EnumEntry<COFF::DebugType> ImageDebugType[] = { 522 { "Unknown" , COFF::IMAGE_DEBUG_TYPE_UNKNOWN }, 523 { "COFF" , COFF::IMAGE_DEBUG_TYPE_COFF }, 524 { "CodeView" , COFF::IMAGE_DEBUG_TYPE_CODEVIEW }, 525 { "FPO" , COFF::IMAGE_DEBUG_TYPE_FPO }, 526 { "Misc" , COFF::IMAGE_DEBUG_TYPE_MISC }, 527 { "Exception" , COFF::IMAGE_DEBUG_TYPE_EXCEPTION }, 528 { "Fixup" , COFF::IMAGE_DEBUG_TYPE_FIXUP }, 529 { "OmapToSrc" , COFF::IMAGE_DEBUG_TYPE_OMAP_TO_SRC }, 530 { "OmapFromSrc", COFF::IMAGE_DEBUG_TYPE_OMAP_FROM_SRC }, 531 { "Borland" , COFF::IMAGE_DEBUG_TYPE_BORLAND }, 532 { "Reserved10" , COFF::IMAGE_DEBUG_TYPE_RESERVED10 }, 533 { "CLSID" , COFF::IMAGE_DEBUG_TYPE_CLSID }, 534 { "VCFeature" , COFF::IMAGE_DEBUG_TYPE_VC_FEATURE }, 535 { "POGO" , COFF::IMAGE_DEBUG_TYPE_POGO }, 536 { "ILTCG" , COFF::IMAGE_DEBUG_TYPE_ILTCG }, 537 { "MPX" , COFF::IMAGE_DEBUG_TYPE_MPX }, 538 { "Repro" , COFF::IMAGE_DEBUG_TYPE_REPRO }, 539 }; 540 541 static const EnumEntry<COFF::WeakExternalCharacteristics> 542 WeakExternalCharacteristics[] = { 543 { "NoLibrary", COFF::IMAGE_WEAK_EXTERN_SEARCH_NOLIBRARY }, 544 { "Library" , COFF::IMAGE_WEAK_EXTERN_SEARCH_LIBRARY }, 545 { "Alias" , COFF::IMAGE_WEAK_EXTERN_SEARCH_ALIAS } 546 }; 547 548 static const EnumEntry<uint32_t> SubSectionTypes[] = { 549 LLVM_READOBJ_ENUM_CLASS_ENT(DebugSubsectionKind, Symbols), 550 LLVM_READOBJ_ENUM_CLASS_ENT(DebugSubsectionKind, Lines), 551 LLVM_READOBJ_ENUM_CLASS_ENT(DebugSubsectionKind, StringTable), 552 LLVM_READOBJ_ENUM_CLASS_ENT(DebugSubsectionKind, FileChecksums), 553 LLVM_READOBJ_ENUM_CLASS_ENT(DebugSubsectionKind, FrameData), 554 LLVM_READOBJ_ENUM_CLASS_ENT(DebugSubsectionKind, InlineeLines), 555 LLVM_READOBJ_ENUM_CLASS_ENT(DebugSubsectionKind, CrossScopeImports), 556 LLVM_READOBJ_ENUM_CLASS_ENT(DebugSubsectionKind, CrossScopeExports), 557 LLVM_READOBJ_ENUM_CLASS_ENT(DebugSubsectionKind, ILLines), 558 LLVM_READOBJ_ENUM_CLASS_ENT(DebugSubsectionKind, FuncMDTokenMap), 559 LLVM_READOBJ_ENUM_CLASS_ENT(DebugSubsectionKind, TypeMDTokenMap), 560 LLVM_READOBJ_ENUM_CLASS_ENT(DebugSubsectionKind, MergedAssemblyInput), 561 LLVM_READOBJ_ENUM_CLASS_ENT(DebugSubsectionKind, CoffSymbolRVA), 562 }; 563 564 static const EnumEntry<uint32_t> FrameDataFlags[] = { 565 LLVM_READOBJ_ENUM_ENT(FrameData, HasSEH), 566 LLVM_READOBJ_ENUM_ENT(FrameData, HasEH), 567 LLVM_READOBJ_ENUM_ENT(FrameData, IsFunctionStart), 568 }; 569 570 static const EnumEntry<uint8_t> FileChecksumKindNames[] = { 571 LLVM_READOBJ_ENUM_CLASS_ENT(FileChecksumKind, None), 572 LLVM_READOBJ_ENUM_CLASS_ENT(FileChecksumKind, MD5), 573 LLVM_READOBJ_ENUM_CLASS_ENT(FileChecksumKind, SHA1), 574 LLVM_READOBJ_ENUM_CLASS_ENT(FileChecksumKind, SHA256), 575 }; 576 577 template <typename T> 578 static std::error_code getSymbolAuxData(const COFFObjectFile *Obj, 579 COFFSymbolRef Symbol, 580 uint8_t AuxSymbolIdx, const T *&Aux) { 581 ArrayRef<uint8_t> AuxData = Obj->getSymbolAuxData(Symbol); 582 AuxData = AuxData.slice(AuxSymbolIdx * Obj->getSymbolTableEntrySize()); 583 Aux = reinterpret_cast<const T*>(AuxData.data()); 584 return readobj_error::success; 585 } 586 587 void COFFDumper::cacheRelocations() { 588 if (RelocCached) 589 return; 590 RelocCached = true; 591 592 for (const SectionRef &S : Obj->sections()) { 593 const coff_section *Section = Obj->getCOFFSection(S); 594 595 for (const RelocationRef &Reloc : S.relocations()) 596 RelocMap[Section].push_back(Reloc); 597 598 // Sort relocations by address. 599 llvm::sort(RelocMap[Section], [](RelocationRef L, RelocationRef R) { 600 return L.getOffset() < R.getOffset(); 601 }); 602 } 603 } 604 605 void COFFDumper::printDataDirectory(uint32_t Index, 606 const std::string &FieldName) { 607 const data_directory *Data; 608 if (Obj->getDataDirectory(Index, Data)) 609 return; 610 W.printHex(FieldName + "RVA", Data->RelativeVirtualAddress); 611 W.printHex(FieldName + "Size", Data->Size); 612 } 613 614 void COFFDumper::printFileHeaders() { 615 time_t TDS = Obj->getTimeDateStamp(); 616 char FormattedTime[20] = { }; 617 strftime(FormattedTime, 20, "%Y-%m-%d %H:%M:%S", gmtime(&TDS)); 618 619 { 620 DictScope D(W, "ImageFileHeader"); 621 W.printEnum ("Machine", Obj->getMachine(), 622 makeArrayRef(ImageFileMachineType)); 623 W.printNumber("SectionCount", Obj->getNumberOfSections()); 624 W.printHex ("TimeDateStamp", FormattedTime, Obj->getTimeDateStamp()); 625 W.printHex ("PointerToSymbolTable", Obj->getPointerToSymbolTable()); 626 W.printNumber("SymbolCount", Obj->getNumberOfSymbols()); 627 W.printNumber("OptionalHeaderSize", Obj->getSizeOfOptionalHeader()); 628 W.printFlags ("Characteristics", Obj->getCharacteristics(), 629 makeArrayRef(ImageFileCharacteristics)); 630 } 631 632 // Print PE header. This header does not exist if this is an object file and 633 // not an executable. 634 const pe32_header *PEHeader = nullptr; 635 error(Obj->getPE32Header(PEHeader)); 636 if (PEHeader) 637 printPEHeader<pe32_header>(PEHeader); 638 639 const pe32plus_header *PEPlusHeader = nullptr; 640 error(Obj->getPE32PlusHeader(PEPlusHeader)); 641 if (PEPlusHeader) 642 printPEHeader<pe32plus_header>(PEPlusHeader); 643 644 if (const dos_header *DH = Obj->getDOSHeader()) 645 printDOSHeader(DH); 646 } 647 648 void COFFDumper::printDOSHeader(const dos_header *DH) { 649 DictScope D(W, "DOSHeader"); 650 W.printString("Magic", StringRef(DH->Magic, sizeof(DH->Magic))); 651 W.printNumber("UsedBytesInTheLastPage", DH->UsedBytesInTheLastPage); 652 W.printNumber("FileSizeInPages", DH->FileSizeInPages); 653 W.printNumber("NumberOfRelocationItems", DH->NumberOfRelocationItems); 654 W.printNumber("HeaderSizeInParagraphs", DH->HeaderSizeInParagraphs); 655 W.printNumber("MinimumExtraParagraphs", DH->MinimumExtraParagraphs); 656 W.printNumber("MaximumExtraParagraphs", DH->MaximumExtraParagraphs); 657 W.printNumber("InitialRelativeSS", DH->InitialRelativeSS); 658 W.printNumber("InitialSP", DH->InitialSP); 659 W.printNumber("Checksum", DH->Checksum); 660 W.printNumber("InitialIP", DH->InitialIP); 661 W.printNumber("InitialRelativeCS", DH->InitialRelativeCS); 662 W.printNumber("AddressOfRelocationTable", DH->AddressOfRelocationTable); 663 W.printNumber("OverlayNumber", DH->OverlayNumber); 664 W.printNumber("OEMid", DH->OEMid); 665 W.printNumber("OEMinfo", DH->OEMinfo); 666 W.printNumber("AddressOfNewExeHeader", DH->AddressOfNewExeHeader); 667 } 668 669 template <class PEHeader> 670 void COFFDumper::printPEHeader(const PEHeader *Hdr) { 671 DictScope D(W, "ImageOptionalHeader"); 672 W.printHex ("Magic", Hdr->Magic); 673 W.printNumber("MajorLinkerVersion", Hdr->MajorLinkerVersion); 674 W.printNumber("MinorLinkerVersion", Hdr->MinorLinkerVersion); 675 W.printNumber("SizeOfCode", Hdr->SizeOfCode); 676 W.printNumber("SizeOfInitializedData", Hdr->SizeOfInitializedData); 677 W.printNumber("SizeOfUninitializedData", Hdr->SizeOfUninitializedData); 678 W.printHex ("AddressOfEntryPoint", Hdr->AddressOfEntryPoint); 679 W.printHex ("BaseOfCode", Hdr->BaseOfCode); 680 printBaseOfDataField(Hdr); 681 W.printHex ("ImageBase", Hdr->ImageBase); 682 W.printNumber("SectionAlignment", Hdr->SectionAlignment); 683 W.printNumber("FileAlignment", Hdr->FileAlignment); 684 W.printNumber("MajorOperatingSystemVersion", 685 Hdr->MajorOperatingSystemVersion); 686 W.printNumber("MinorOperatingSystemVersion", 687 Hdr->MinorOperatingSystemVersion); 688 W.printNumber("MajorImageVersion", Hdr->MajorImageVersion); 689 W.printNumber("MinorImageVersion", Hdr->MinorImageVersion); 690 W.printNumber("MajorSubsystemVersion", Hdr->MajorSubsystemVersion); 691 W.printNumber("MinorSubsystemVersion", Hdr->MinorSubsystemVersion); 692 W.printNumber("SizeOfImage", Hdr->SizeOfImage); 693 W.printNumber("SizeOfHeaders", Hdr->SizeOfHeaders); 694 W.printEnum ("Subsystem", Hdr->Subsystem, makeArrayRef(PEWindowsSubsystem)); 695 W.printFlags ("Characteristics", Hdr->DLLCharacteristics, 696 makeArrayRef(PEDLLCharacteristics)); 697 W.printNumber("SizeOfStackReserve", Hdr->SizeOfStackReserve); 698 W.printNumber("SizeOfStackCommit", Hdr->SizeOfStackCommit); 699 W.printNumber("SizeOfHeapReserve", Hdr->SizeOfHeapReserve); 700 W.printNumber("SizeOfHeapCommit", Hdr->SizeOfHeapCommit); 701 W.printNumber("NumberOfRvaAndSize", Hdr->NumberOfRvaAndSize); 702 703 if (Hdr->NumberOfRvaAndSize > 0) { 704 DictScope D(W, "DataDirectory"); 705 static const char * const directory[] = { 706 "ExportTable", "ImportTable", "ResourceTable", "ExceptionTable", 707 "CertificateTable", "BaseRelocationTable", "Debug", "Architecture", 708 "GlobalPtr", "TLSTable", "LoadConfigTable", "BoundImport", "IAT", 709 "DelayImportDescriptor", "CLRRuntimeHeader", "Reserved" 710 }; 711 712 for (uint32_t i = 0; i < Hdr->NumberOfRvaAndSize; ++i) 713 printDataDirectory(i, directory[i]); 714 } 715 } 716 717 void COFFDumper::printCOFFDebugDirectory() { 718 ListScope LS(W, "DebugDirectory"); 719 for (const debug_directory &D : Obj->debug_directories()) { 720 char FormattedTime[20] = {}; 721 time_t TDS = D.TimeDateStamp; 722 strftime(FormattedTime, 20, "%Y-%m-%d %H:%M:%S", gmtime(&TDS)); 723 DictScope S(W, "DebugEntry"); 724 W.printHex("Characteristics", D.Characteristics); 725 W.printHex("TimeDateStamp", FormattedTime, D.TimeDateStamp); 726 W.printHex("MajorVersion", D.MajorVersion); 727 W.printHex("MinorVersion", D.MinorVersion); 728 W.printEnum("Type", D.Type, makeArrayRef(ImageDebugType)); 729 W.printHex("SizeOfData", D.SizeOfData); 730 W.printHex("AddressOfRawData", D.AddressOfRawData); 731 W.printHex("PointerToRawData", D.PointerToRawData); 732 if (D.Type == COFF::IMAGE_DEBUG_TYPE_CODEVIEW) { 733 const codeview::DebugInfo *DebugInfo; 734 StringRef PDBFileName; 735 error(Obj->getDebugPDBInfo(&D, DebugInfo, PDBFileName)); 736 DictScope PDBScope(W, "PDBInfo"); 737 W.printHex("PDBSignature", DebugInfo->Signature.CVSignature); 738 if (DebugInfo->Signature.CVSignature == OMF::Signature::PDB70) { 739 W.printBinary("PDBGUID", makeArrayRef(DebugInfo->PDB70.Signature)); 740 W.printNumber("PDBAge", DebugInfo->PDB70.Age); 741 W.printString("PDBFileName", PDBFileName); 742 } 743 } else if (D.SizeOfData != 0) { 744 // FIXME: Type values of 12 and 13 are commonly observed but are not in 745 // the documented type enum. Figure out what they mean. 746 ArrayRef<uint8_t> RawData; 747 error( 748 Obj->getRvaAndSizeAsBytes(D.AddressOfRawData, D.SizeOfData, RawData)); 749 W.printBinaryBlock("RawData", RawData); 750 } 751 } 752 } 753 754 void COFFDumper::printRVATable(uint64_t TableVA, uint64_t Count, 755 uint64_t EntrySize, PrintExtraCB PrintExtra) { 756 uintptr_t TableStart, TableEnd; 757 error(Obj->getVaPtr(TableVA, TableStart)); 758 error(Obj->getVaPtr(TableVA + Count * EntrySize - 1, TableEnd)); 759 TableEnd++; 760 for (uintptr_t I = TableStart; I < TableEnd; I += EntrySize) { 761 uint32_t RVA = *reinterpret_cast<const ulittle32_t *>(I); 762 raw_ostream &OS = W.startLine(); 763 OS << W.hex(Obj->getImageBase() + RVA); 764 if (PrintExtra) 765 PrintExtra(OS, reinterpret_cast<const uint8_t *>(I)); 766 OS << '\n'; 767 } 768 } 769 770 void COFFDumper::printCOFFLoadConfig() { 771 LoadConfigTables Tables; 772 if (Obj->is64()) 773 printCOFFLoadConfig(Obj->getLoadConfig64(), Tables); 774 else 775 printCOFFLoadConfig(Obj->getLoadConfig32(), Tables); 776 777 if (Tables.SEHTableVA) { 778 ListScope LS(W, "SEHTable"); 779 printRVATable(Tables.SEHTableVA, Tables.SEHTableCount, 4); 780 } 781 782 if (Tables.GuardFidTableVA) { 783 ListScope LS(W, "GuardFidTable"); 784 if (Tables.GuardFlags & uint32_t(coff_guard_flags::FidTableHasFlags)) { 785 auto PrintGuardFlags = [](raw_ostream &OS, const uint8_t *Entry) { 786 uint8_t Flags = *reinterpret_cast<const uint8_t *>(Entry + 4); 787 if (Flags) 788 OS << " flags " << utohexstr(Flags); 789 }; 790 printRVATable(Tables.GuardFidTableVA, Tables.GuardFidTableCount, 5, 791 PrintGuardFlags); 792 } else { 793 printRVATable(Tables.GuardFidTableVA, Tables.GuardFidTableCount, 4); 794 } 795 } 796 797 if (Tables.GuardLJmpTableVA) { 798 ListScope LS(W, "GuardLJmpTable"); 799 printRVATable(Tables.GuardLJmpTableVA, Tables.GuardLJmpTableCount, 4); 800 } 801 } 802 803 template <typename T> 804 void COFFDumper::printCOFFLoadConfig(const T *Conf, LoadConfigTables &Tables) { 805 if (!Conf) 806 return; 807 808 ListScope LS(W, "LoadConfig"); 809 char FormattedTime[20] = {}; 810 time_t TDS = Conf->TimeDateStamp; 811 strftime(FormattedTime, 20, "%Y-%m-%d %H:%M:%S", gmtime(&TDS)); 812 W.printHex("Size", Conf->Size); 813 814 // Print everything before SecurityCookie. The vast majority of images today 815 // have all these fields. 816 if (Conf->Size < offsetof(T, SEHandlerTable)) 817 return; 818 W.printHex("TimeDateStamp", FormattedTime, TDS); 819 W.printHex("MajorVersion", Conf->MajorVersion); 820 W.printHex("MinorVersion", Conf->MinorVersion); 821 W.printHex("GlobalFlagsClear", Conf->GlobalFlagsClear); 822 W.printHex("GlobalFlagsSet", Conf->GlobalFlagsSet); 823 W.printHex("CriticalSectionDefaultTimeout", 824 Conf->CriticalSectionDefaultTimeout); 825 W.printHex("DeCommitFreeBlockThreshold", Conf->DeCommitFreeBlockThreshold); 826 W.printHex("DeCommitTotalFreeThreshold", Conf->DeCommitTotalFreeThreshold); 827 W.printHex("LockPrefixTable", Conf->LockPrefixTable); 828 W.printHex("MaximumAllocationSize", Conf->MaximumAllocationSize); 829 W.printHex("VirtualMemoryThreshold", Conf->VirtualMemoryThreshold); 830 W.printHex("ProcessHeapFlags", Conf->ProcessHeapFlags); 831 W.printHex("ProcessAffinityMask", Conf->ProcessAffinityMask); 832 W.printHex("CSDVersion", Conf->CSDVersion); 833 W.printHex("DependentLoadFlags", Conf->DependentLoadFlags); 834 W.printHex("EditList", Conf->EditList); 835 W.printHex("SecurityCookie", Conf->SecurityCookie); 836 837 // Print the safe SEH table if present. 838 if (Conf->Size < offsetof(coff_load_configuration32, GuardCFCheckFunction)) 839 return; 840 W.printHex("SEHandlerTable", Conf->SEHandlerTable); 841 W.printNumber("SEHandlerCount", Conf->SEHandlerCount); 842 843 Tables.SEHTableVA = Conf->SEHandlerTable; 844 Tables.SEHTableCount = Conf->SEHandlerCount; 845 846 // Print everything before CodeIntegrity. (2015) 847 if (Conf->Size < offsetof(T, CodeIntegrity)) 848 return; 849 W.printHex("GuardCFCheckFunction", Conf->GuardCFCheckFunction); 850 W.printHex("GuardCFCheckDispatch", Conf->GuardCFCheckDispatch); 851 W.printHex("GuardCFFunctionTable", Conf->GuardCFFunctionTable); 852 W.printNumber("GuardCFFunctionCount", Conf->GuardCFFunctionCount); 853 W.printHex("GuardFlags", Conf->GuardFlags); 854 855 Tables.GuardFidTableVA = Conf->GuardCFFunctionTable; 856 Tables.GuardFidTableCount = Conf->GuardCFFunctionCount; 857 Tables.GuardFlags = Conf->GuardFlags; 858 859 // Print the rest. (2017) 860 if (Conf->Size < sizeof(T)) 861 return; 862 W.printHex("GuardAddressTakenIatEntryTable", 863 Conf->GuardAddressTakenIatEntryTable); 864 W.printNumber("GuardAddressTakenIatEntryCount", 865 Conf->GuardAddressTakenIatEntryCount); 866 W.printHex("GuardLongJumpTargetTable", Conf->GuardLongJumpTargetTable); 867 W.printNumber("GuardLongJumpTargetCount", Conf->GuardLongJumpTargetCount); 868 W.printHex("DynamicValueRelocTable", Conf->DynamicValueRelocTable); 869 W.printHex("CHPEMetadataPointer", Conf->CHPEMetadataPointer); 870 W.printHex("GuardRFFailureRoutine", Conf->GuardRFFailureRoutine); 871 W.printHex("GuardRFFailureRoutineFunctionPointer", 872 Conf->GuardRFFailureRoutineFunctionPointer); 873 W.printHex("DynamicValueRelocTableOffset", 874 Conf->DynamicValueRelocTableOffset); 875 W.printNumber("DynamicValueRelocTableSection", 876 Conf->DynamicValueRelocTableSection); 877 W.printHex("GuardRFVerifyStackPointerFunctionPointer", 878 Conf->GuardRFVerifyStackPointerFunctionPointer); 879 W.printHex("HotPatchTableOffset", Conf->HotPatchTableOffset); 880 881 Tables.GuardLJmpTableVA = Conf->GuardLongJumpTargetTable; 882 Tables.GuardLJmpTableCount = Conf->GuardLongJumpTargetCount; 883 } 884 885 void COFFDumper::printBaseOfDataField(const pe32_header *Hdr) { 886 W.printHex("BaseOfData", Hdr->BaseOfData); 887 } 888 889 void COFFDumper::printBaseOfDataField(const pe32plus_header *) {} 890 891 void COFFDumper::printCodeViewDebugInfo() { 892 // Print types first to build CVUDTNames, then print symbols. 893 for (const SectionRef &S : Obj->sections()) { 894 StringRef SectionName = unwrapOrError(Obj->getFileName(), S.getName()); 895 // .debug$T is a standard CodeView type section, while .debug$P is the same 896 // format but used for MSVC precompiled header object files. 897 if (SectionName == ".debug$T" || SectionName == ".debug$P") 898 printCodeViewTypeSection(SectionName, S); 899 } 900 for (const SectionRef &S : Obj->sections()) { 901 StringRef SectionName = unwrapOrError(Obj->getFileName(), S.getName()); 902 if (SectionName == ".debug$S") 903 printCodeViewSymbolSection(SectionName, S); 904 } 905 } 906 907 void COFFDumper::initializeFileAndStringTables(BinaryStreamReader &Reader) { 908 while (Reader.bytesRemaining() > 0 && 909 (!CVFileChecksumTable.valid() || !CVStringTable.valid())) { 910 // The section consists of a number of subsection in the following format: 911 // |SubSectionType|SubSectionSize|Contents...| 912 uint32_t SubType, SubSectionSize; 913 914 if (Error E = Reader.readInteger(SubType)) 915 reportError(std::move(E), Obj->getFileName()); 916 if (Error E = Reader.readInteger(SubSectionSize)) 917 reportError(std::move(E), Obj->getFileName()); 918 919 StringRef Contents; 920 if (Error E = Reader.readFixedString(Contents, SubSectionSize)) 921 reportError(std::move(E), Obj->getFileName()); 922 923 BinaryStreamRef ST(Contents, support::little); 924 switch (DebugSubsectionKind(SubType)) { 925 case DebugSubsectionKind::FileChecksums: 926 if (Error E = CVFileChecksumTable.initialize(ST)) 927 reportError(std::move(E), Obj->getFileName()); 928 break; 929 case DebugSubsectionKind::StringTable: 930 if (Error E = CVStringTable.initialize(ST)) 931 reportError(std::move(E), Obj->getFileName()); 932 break; 933 default: 934 break; 935 } 936 937 uint32_t PaddedSize = alignTo(SubSectionSize, 4); 938 if (Error E = Reader.skip(PaddedSize - SubSectionSize)) 939 reportError(std::move(E), Obj->getFileName()); 940 } 941 } 942 943 void COFFDumper::printCodeViewSymbolSection(StringRef SectionName, 944 const SectionRef &Section) { 945 StringRef SectionContents = 946 unwrapOrError(Obj->getFileName(), Section.getContents()); 947 StringRef Data = SectionContents; 948 949 SmallVector<StringRef, 10> FunctionNames; 950 StringMap<StringRef> FunctionLineTables; 951 952 ListScope D(W, "CodeViewDebugInfo"); 953 // Print the section to allow correlation with printSectionHeaders. 954 W.printNumber("Section", SectionName, Obj->getSectionID(Section)); 955 956 uint32_t Magic; 957 if (Error E = consume(Data, Magic)) 958 reportError(std::move(E), Obj->getFileName()); 959 960 W.printHex("Magic", Magic); 961 if (Magic != COFF::DEBUG_SECTION_MAGIC) 962 return error(object_error::parse_failed); 963 964 BinaryStreamReader FSReader(Data, support::little); 965 initializeFileAndStringTables(FSReader); 966 967 // TODO: Convert this over to using ModuleSubstreamVisitor. 968 while (!Data.empty()) { 969 // The section consists of a number of subsection in the following format: 970 // |SubSectionType|SubSectionSize|Contents...| 971 uint32_t SubType, SubSectionSize; 972 if (Error E = consume(Data, SubType)) 973 reportError(std::move(E), Obj->getFileName()); 974 if (Error E = consume(Data, SubSectionSize)) 975 reportError(std::move(E), Obj->getFileName()); 976 977 ListScope S(W, "Subsection"); 978 // Dump the subsection as normal even if the ignore bit is set. 979 if (SubType & SubsectionIgnoreFlag) { 980 W.printHex("IgnoredSubsectionKind", SubType); 981 SubType &= ~SubsectionIgnoreFlag; 982 } 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 if (Error E = FrameData.initialize(SR)) 1051 reportError(std::move(E), Obj->getFileName()); 1052 1053 StringRef LinkageName; 1054 error(resolveSymbolName(Obj->getCOFFSection(Section), SectionContents, 1055 FrameData.getRelocPtr(), LinkageName)); 1056 W.printString("LinkageName", LinkageName); 1057 1058 // To find the active frame description, search this array for the 1059 // smallest PC range that includes the current PC. 1060 for (const auto &FD : FrameData) { 1061 StringRef FrameFunc = unwrapOrError( 1062 Obj->getFileName(), CVStringTable.getString(FD.FrameFunc)); 1063 1064 DictScope S(W, "FrameData"); 1065 W.printHex("RvaStart", FD.RvaStart); 1066 W.printHex("CodeSize", FD.CodeSize); 1067 W.printHex("LocalSize", FD.LocalSize); 1068 W.printHex("ParamsSize", FD.ParamsSize); 1069 W.printHex("MaxStackSize", FD.MaxStackSize); 1070 W.printHex("PrologSize", FD.PrologSize); 1071 W.printHex("SavedRegsSize", FD.SavedRegsSize); 1072 W.printFlags("Flags", FD.Flags, makeArrayRef(FrameDataFlags)); 1073 1074 // The FrameFunc string is a small RPN program. It can be broken up into 1075 // statements that end in the '=' operator, which assigns the value on 1076 // the top of the stack to the previously pushed variable. Variables can 1077 // be temporary values ($T0) or physical registers ($esp). Print each 1078 // assignment on its own line to make these programs easier to read. 1079 { 1080 ListScope FFS(W, "FrameFunc"); 1081 while (!FrameFunc.empty()) { 1082 size_t EqOrEnd = FrameFunc.find('='); 1083 if (EqOrEnd == StringRef::npos) 1084 EqOrEnd = FrameFunc.size(); 1085 else 1086 ++EqOrEnd; 1087 StringRef Stmt = FrameFunc.substr(0, EqOrEnd); 1088 W.printString(Stmt); 1089 FrameFunc = FrameFunc.drop_front(EqOrEnd).trim(); 1090 } 1091 } 1092 } 1093 break; 1094 } 1095 1096 // Do nothing for unrecognized subsections. 1097 default: 1098 break; 1099 } 1100 W.flush(); 1101 } 1102 1103 // Dump the line tables now that we've read all the subsections and know all 1104 // the required information. 1105 for (unsigned I = 0, E = FunctionNames.size(); I != E; ++I) { 1106 StringRef Name = FunctionNames[I]; 1107 ListScope S(W, "FunctionLineTable"); 1108 W.printString("LinkageName", Name); 1109 1110 BinaryStreamReader Reader(FunctionLineTables[Name], support::little); 1111 1112 DebugLinesSubsectionRef LineInfo; 1113 if (Error E = LineInfo.initialize(Reader)) 1114 reportError(std::move(E), Obj->getFileName()); 1115 1116 W.printHex("Flags", LineInfo.header()->Flags); 1117 W.printHex("CodeSize", LineInfo.header()->CodeSize); 1118 for (const auto &Entry : LineInfo) { 1119 1120 ListScope S(W, "FilenameSegment"); 1121 printFileNameForOffset("Filename", Entry.NameIndex); 1122 uint32_t ColumnIndex = 0; 1123 for (const auto &Line : Entry.LineNumbers) { 1124 if (Line.Offset >= LineInfo.header()->CodeSize) { 1125 error(object_error::parse_failed); 1126 return; 1127 } 1128 1129 std::string PC = formatv("+{0:X}", uint32_t(Line.Offset)); 1130 ListScope PCScope(W, PC); 1131 codeview::LineInfo LI(Line.Flags); 1132 1133 if (LI.isAlwaysStepInto()) 1134 W.printString("StepInto", StringRef("Always")); 1135 else if (LI.isNeverStepInto()) 1136 W.printString("StepInto", StringRef("Never")); 1137 else 1138 W.printNumber("LineNumberStart", LI.getStartLine()); 1139 W.printNumber("LineNumberEndDelta", LI.getLineDelta()); 1140 W.printBoolean("IsStatement", LI.isStatement()); 1141 if (LineInfo.hasColumnInfo()) { 1142 W.printNumber("ColStart", Entry.Columns[ColumnIndex].StartColumn); 1143 W.printNumber("ColEnd", Entry.Columns[ColumnIndex].EndColumn); 1144 ++ColumnIndex; 1145 } 1146 } 1147 } 1148 } 1149 } 1150 1151 void COFFDumper::printCodeViewSymbolsSubsection(StringRef Subsection, 1152 const SectionRef &Section, 1153 StringRef SectionContents) { 1154 ArrayRef<uint8_t> BinaryData(Subsection.bytes_begin(), 1155 Subsection.bytes_end()); 1156 auto CODD = llvm::make_unique<COFFObjectDumpDelegate>(*this, Section, Obj, 1157 SectionContents); 1158 CVSymbolDumper CVSD(W, Types, CodeViewContainer::ObjectFile, std::move(CODD), 1159 CompilationCPUType, opts::CodeViewSubsectionBytes); 1160 CVSymbolArray Symbols; 1161 BinaryStreamReader Reader(BinaryData, llvm::support::little); 1162 if (auto EC = Reader.readArray(Symbols, Reader.getLength())) { 1163 consumeError(std::move(EC)); 1164 W.flush(); 1165 error(object_error::parse_failed); 1166 } 1167 1168 if (Error E = CVSD.dump(Symbols)) { 1169 W.flush(); 1170 reportError(std::move(E), Obj->getFileName()); 1171 } 1172 CompilationCPUType = CVSD.getCompilationCPUType(); 1173 W.flush(); 1174 } 1175 1176 void COFFDumper::printCodeViewFileChecksums(StringRef Subsection) { 1177 BinaryStreamRef Stream(Subsection, llvm::support::little); 1178 DebugChecksumsSubsectionRef Checksums; 1179 if (Error E = Checksums.initialize(Stream)) 1180 reportError(std::move(E), Obj->getFileName()); 1181 1182 for (auto &FC : Checksums) { 1183 DictScope S(W, "FileChecksum"); 1184 1185 StringRef Filename = unwrapOrError( 1186 Obj->getFileName(), CVStringTable.getString(FC.FileNameOffset)); 1187 W.printHex("Filename", Filename, FC.FileNameOffset); 1188 W.printHex("ChecksumSize", FC.Checksum.size()); 1189 W.printEnum("ChecksumKind", uint8_t(FC.Kind), 1190 makeArrayRef(FileChecksumKindNames)); 1191 1192 W.printBinary("ChecksumBytes", FC.Checksum); 1193 } 1194 } 1195 1196 void COFFDumper::printCodeViewInlineeLines(StringRef Subsection) { 1197 BinaryStreamReader SR(Subsection, llvm::support::little); 1198 DebugInlineeLinesSubsectionRef Lines; 1199 if (Error E = Lines.initialize(SR)) 1200 reportError(std::move(E), Obj->getFileName()); 1201 1202 for (auto &Line : Lines) { 1203 DictScope S(W, "InlineeSourceLine"); 1204 printTypeIndex("Inlinee", Line.Header->Inlinee); 1205 printFileNameForOffset("FileID", Line.Header->FileID); 1206 W.printNumber("SourceLineNum", Line.Header->SourceLineNum); 1207 1208 if (Lines.hasExtraFiles()) { 1209 W.printNumber("ExtraFileCount", Line.ExtraFiles.size()); 1210 ListScope ExtraFiles(W, "ExtraFiles"); 1211 for (const auto &FID : Line.ExtraFiles) { 1212 printFileNameForOffset("FileID", FID); 1213 } 1214 } 1215 } 1216 } 1217 1218 StringRef COFFDumper::getFileNameForFileOffset(uint32_t FileOffset) { 1219 // The file checksum subsection should precede all references to it. 1220 if (!CVFileChecksumTable.valid() || !CVStringTable.valid()) 1221 error(object_error::parse_failed); 1222 1223 auto Iter = CVFileChecksumTable.getArray().at(FileOffset); 1224 1225 // Check if the file checksum table offset is valid. 1226 if (Iter == CVFileChecksumTable.end()) 1227 error(object_error::parse_failed); 1228 1229 return unwrapOrError(Obj->getFileName(), 1230 CVStringTable.getString(Iter->FileNameOffset)); 1231 } 1232 1233 void COFFDumper::printFileNameForOffset(StringRef Label, uint32_t FileOffset) { 1234 W.printHex(Label, getFileNameForFileOffset(FileOffset), FileOffset); 1235 } 1236 1237 void COFFDumper::mergeCodeViewTypes(MergingTypeTableBuilder &CVIDs, 1238 MergingTypeTableBuilder &CVTypes, 1239 GlobalTypeTableBuilder &GlobalCVIDs, 1240 GlobalTypeTableBuilder &GlobalCVTypes, 1241 bool GHash) { 1242 for (const SectionRef &S : Obj->sections()) { 1243 StringRef SectionName = unwrapOrError(Obj->getFileName(), S.getName()); 1244 if (SectionName == ".debug$T") { 1245 StringRef Data = unwrapOrError(Obj->getFileName(), S.getContents()); 1246 uint32_t Magic; 1247 if (Error E = consume(Data, Magic)) 1248 reportError(std::move(E), Obj->getFileName()); 1249 1250 if (Magic != 4) 1251 error(object_error::parse_failed); 1252 1253 CVTypeArray Types; 1254 BinaryStreamReader Reader(Data, llvm::support::little); 1255 if (auto EC = Reader.readArray(Types, Reader.getLength())) { 1256 consumeError(std::move(EC)); 1257 W.flush(); 1258 error(object_error::parse_failed); 1259 } 1260 SmallVector<TypeIndex, 128> SourceToDest; 1261 Optional<uint32_t> PCHSignature; 1262 if (GHash) { 1263 std::vector<GloballyHashedType> Hashes = 1264 GloballyHashedType::hashTypes(Types); 1265 if (Error E = 1266 mergeTypeAndIdRecords(GlobalCVIDs, GlobalCVTypes, SourceToDest, 1267 Types, Hashes, PCHSignature)) 1268 return reportError(std::move(E), Obj->getFileName()); 1269 } else { 1270 if (Error E = mergeTypeAndIdRecords(CVIDs, CVTypes, SourceToDest, Types, 1271 PCHSignature)) 1272 return reportError(std::move(E), Obj->getFileName()); 1273 } 1274 } 1275 } 1276 } 1277 1278 void COFFDumper::printCodeViewTypeSection(StringRef SectionName, 1279 const SectionRef &Section) { 1280 ListScope D(W, "CodeViewTypes"); 1281 W.printNumber("Section", SectionName, Obj->getSectionID(Section)); 1282 1283 StringRef Data = unwrapOrError(Obj->getFileName(), Section.getContents()); 1284 if (opts::CodeViewSubsectionBytes) 1285 W.printBinaryBlock("Data", Data); 1286 1287 uint32_t Magic; 1288 if (Error E = consume(Data, Magic)) 1289 reportError(std::move(E), Obj->getFileName()); 1290 1291 W.printHex("Magic", Magic); 1292 if (Magic != COFF::DEBUG_SECTION_MAGIC) 1293 return error(object_error::parse_failed); 1294 1295 Types.reset(Data, 100); 1296 1297 TypeDumpVisitor TDV(Types, &W, opts::CodeViewSubsectionBytes); 1298 if (Error E = codeview::visitTypeStream(Types, TDV)) 1299 reportError(std::move(E), Obj->getFileName()); 1300 1301 W.flush(); 1302 } 1303 1304 void COFFDumper::printSectionHeaders() { 1305 ListScope SectionsD(W, "Sections"); 1306 int SectionNumber = 0; 1307 for (const SectionRef &Sec : Obj->sections()) { 1308 ++SectionNumber; 1309 const coff_section *Section = Obj->getCOFFSection(Sec); 1310 1311 StringRef Name = unwrapOrError(Obj->getFileName(), Sec.getName()); 1312 1313 DictScope D(W, "Section"); 1314 W.printNumber("Number", SectionNumber); 1315 W.printBinary("Name", Name, Section->Name); 1316 W.printHex ("VirtualSize", Section->VirtualSize); 1317 W.printHex ("VirtualAddress", Section->VirtualAddress); 1318 W.printNumber("RawDataSize", Section->SizeOfRawData); 1319 W.printHex ("PointerToRawData", Section->PointerToRawData); 1320 W.printHex ("PointerToRelocations", Section->PointerToRelocations); 1321 W.printHex ("PointerToLineNumbers", Section->PointerToLinenumbers); 1322 W.printNumber("RelocationCount", Section->NumberOfRelocations); 1323 W.printNumber("LineNumberCount", Section->NumberOfLinenumbers); 1324 W.printFlags ("Characteristics", Section->Characteristics, 1325 makeArrayRef(ImageSectionCharacteristics), 1326 COFF::SectionCharacteristics(0x00F00000)); 1327 1328 if (opts::SectionRelocations) { 1329 ListScope D(W, "Relocations"); 1330 for (const RelocationRef &Reloc : Sec.relocations()) 1331 printRelocation(Sec, Reloc); 1332 } 1333 1334 if (opts::SectionSymbols) { 1335 ListScope D(W, "Symbols"); 1336 for (const SymbolRef &Symbol : Obj->symbols()) { 1337 if (!Sec.containsSymbol(Symbol)) 1338 continue; 1339 1340 printSymbol(Symbol); 1341 } 1342 } 1343 1344 if (opts::SectionData && 1345 !(Section->Characteristics & COFF::IMAGE_SCN_CNT_UNINITIALIZED_DATA)) { 1346 StringRef Data = unwrapOrError(Obj->getFileName(), Sec.getContents()); 1347 W.printBinaryBlock("SectionData", Data); 1348 } 1349 } 1350 } 1351 1352 void COFFDumper::printRelocations() { 1353 ListScope D(W, "Relocations"); 1354 1355 int SectionNumber = 0; 1356 for (const SectionRef &Section : Obj->sections()) { 1357 ++SectionNumber; 1358 StringRef Name = unwrapOrError(Obj->getFileName(), Section.getName()); 1359 1360 bool PrintedGroup = false; 1361 for (const RelocationRef &Reloc : Section.relocations()) { 1362 if (!PrintedGroup) { 1363 W.startLine() << "Section (" << SectionNumber << ") " << Name << " {\n"; 1364 W.indent(); 1365 PrintedGroup = true; 1366 } 1367 1368 printRelocation(Section, Reloc); 1369 } 1370 1371 if (PrintedGroup) { 1372 W.unindent(); 1373 W.startLine() << "}\n"; 1374 } 1375 } 1376 } 1377 1378 void COFFDumper::printRelocation(const SectionRef &Section, 1379 const RelocationRef &Reloc, uint64_t Bias) { 1380 uint64_t Offset = Reloc.getOffset() - Bias; 1381 uint64_t RelocType = Reloc.getType(); 1382 SmallString<32> RelocName; 1383 StringRef SymbolName; 1384 Reloc.getTypeName(RelocName); 1385 symbol_iterator Symbol = Reloc.getSymbol(); 1386 int64_t SymbolIndex = -1; 1387 if (Symbol != Obj->symbol_end()) { 1388 Expected<StringRef> SymbolNameOrErr = Symbol->getName(); 1389 error(errorToErrorCode(SymbolNameOrErr.takeError())); 1390 SymbolName = *SymbolNameOrErr; 1391 SymbolIndex = Obj->getSymbolIndex(Obj->getCOFFSymbol(*Symbol)); 1392 } 1393 1394 if (opts::ExpandRelocs) { 1395 DictScope Group(W, "Relocation"); 1396 W.printHex("Offset", Offset); 1397 W.printNumber("Type", RelocName, RelocType); 1398 W.printString("Symbol", SymbolName.empty() ? "-" : SymbolName); 1399 W.printNumber("SymbolIndex", SymbolIndex); 1400 } else { 1401 raw_ostream& OS = W.startLine(); 1402 OS << W.hex(Offset) 1403 << " " << RelocName 1404 << " " << (SymbolName.empty() ? "-" : SymbolName) 1405 << " (" << SymbolIndex << ")" 1406 << "\n"; 1407 } 1408 } 1409 1410 void COFFDumper::printSymbols() { 1411 ListScope Group(W, "Symbols"); 1412 1413 for (const SymbolRef &Symbol : Obj->symbols()) 1414 printSymbol(Symbol); 1415 } 1416 1417 void COFFDumper::printDynamicSymbols() { ListScope Group(W, "DynamicSymbols"); } 1418 1419 static Expected<StringRef> 1420 getSectionName(const llvm::object::COFFObjectFile *Obj, int32_t SectionNumber, 1421 const coff_section *Section) { 1422 if (Section) 1423 return Obj->getSectionName(Section); 1424 if (SectionNumber == llvm::COFF::IMAGE_SYM_DEBUG) 1425 return StringRef("IMAGE_SYM_DEBUG"); 1426 if (SectionNumber == llvm::COFF::IMAGE_SYM_ABSOLUTE) 1427 return StringRef("IMAGE_SYM_ABSOLUTE"); 1428 if (SectionNumber == llvm::COFF::IMAGE_SYM_UNDEFINED) 1429 return StringRef("IMAGE_SYM_UNDEFINED"); 1430 return StringRef(""); 1431 } 1432 1433 void COFFDumper::printSymbol(const SymbolRef &Sym) { 1434 DictScope D(W, "Symbol"); 1435 1436 COFFSymbolRef Symbol = Obj->getCOFFSymbol(Sym); 1437 const coff_section *Section; 1438 if (std::error_code EC = Obj->getSection(Symbol.getSectionNumber(), Section)) { 1439 W.startLine() << "Invalid section number: " << EC.message() << "\n"; 1440 W.flush(); 1441 return; 1442 } 1443 1444 StringRef SymbolName; 1445 if (Obj->getSymbolName(Symbol, SymbolName)) 1446 SymbolName = ""; 1447 1448 StringRef SectionName; 1449 if (Expected<StringRef> NameOrErr = 1450 getSectionName(Obj, Symbol.getSectionNumber(), Section)) 1451 SectionName = *NameOrErr; 1452 1453 W.printString("Name", SymbolName); 1454 W.printNumber("Value", Symbol.getValue()); 1455 W.printNumber("Section", SectionName, Symbol.getSectionNumber()); 1456 W.printEnum ("BaseType", Symbol.getBaseType(), makeArrayRef(ImageSymType)); 1457 W.printEnum ("ComplexType", Symbol.getComplexType(), 1458 makeArrayRef(ImageSymDType)); 1459 W.printEnum ("StorageClass", Symbol.getStorageClass(), 1460 makeArrayRef(ImageSymClass)); 1461 W.printNumber("AuxSymbolCount", Symbol.getNumberOfAuxSymbols()); 1462 1463 for (uint8_t I = 0; I < Symbol.getNumberOfAuxSymbols(); ++I) { 1464 if (Symbol.isFunctionDefinition()) { 1465 const coff_aux_function_definition *Aux; 1466 error(getSymbolAuxData(Obj, Symbol, I, Aux)); 1467 1468 DictScope AS(W, "AuxFunctionDef"); 1469 W.printNumber("TagIndex", Aux->TagIndex); 1470 W.printNumber("TotalSize", Aux->TotalSize); 1471 W.printHex("PointerToLineNumber", Aux->PointerToLinenumber); 1472 W.printHex("PointerToNextFunction", Aux->PointerToNextFunction); 1473 1474 } else if (Symbol.isAnyUndefined()) { 1475 const coff_aux_weak_external *Aux; 1476 error(getSymbolAuxData(Obj, Symbol, I, Aux)); 1477 1478 Expected<COFFSymbolRef> Linked = Obj->getSymbol(Aux->TagIndex); 1479 StringRef LinkedName; 1480 std::error_code EC = errorToErrorCode(Linked.takeError()); 1481 if (EC || (EC = Obj->getSymbolName(*Linked, LinkedName))) { 1482 LinkedName = ""; 1483 error(EC); 1484 } 1485 1486 DictScope AS(W, "AuxWeakExternal"); 1487 W.printNumber("Linked", LinkedName, Aux->TagIndex); 1488 W.printEnum ("Search", Aux->Characteristics, 1489 makeArrayRef(WeakExternalCharacteristics)); 1490 1491 } else if (Symbol.isFileRecord()) { 1492 const char *FileName; 1493 error(getSymbolAuxData(Obj, Symbol, I, FileName)); 1494 1495 DictScope AS(W, "AuxFileRecord"); 1496 1497 StringRef Name(FileName, Symbol.getNumberOfAuxSymbols() * 1498 Obj->getSymbolTableEntrySize()); 1499 W.printString("FileName", Name.rtrim(StringRef("\0", 1))); 1500 break; 1501 } else if (Symbol.isSectionDefinition()) { 1502 const coff_aux_section_definition *Aux; 1503 error(getSymbolAuxData(Obj, Symbol, I, Aux)); 1504 1505 int32_t AuxNumber = Aux->getNumber(Symbol.isBigObj()); 1506 1507 DictScope AS(W, "AuxSectionDef"); 1508 W.printNumber("Length", Aux->Length); 1509 W.printNumber("RelocationCount", Aux->NumberOfRelocations); 1510 W.printNumber("LineNumberCount", Aux->NumberOfLinenumbers); 1511 W.printHex("Checksum", Aux->CheckSum); 1512 W.printNumber("Number", AuxNumber); 1513 W.printEnum("Selection", Aux->Selection, makeArrayRef(ImageCOMDATSelect)); 1514 1515 if (Section && Section->Characteristics & COFF::IMAGE_SCN_LNK_COMDAT 1516 && Aux->Selection == COFF::IMAGE_COMDAT_SELECT_ASSOCIATIVE) { 1517 const coff_section *Assoc; 1518 StringRef AssocName = ""; 1519 if (std::error_code EC = Obj->getSection(AuxNumber, Assoc)) 1520 error(EC); 1521 Expected<StringRef> Res = getSectionName(Obj, AuxNumber, Assoc); 1522 if (!Res) 1523 reportError(Res.takeError(), Obj->getFileName()); 1524 AssocName = *Res; 1525 1526 W.printNumber("AssocSection", AssocName, AuxNumber); 1527 } 1528 } else if (Symbol.isCLRToken()) { 1529 const coff_aux_clr_token *Aux; 1530 error(getSymbolAuxData(Obj, Symbol, I, Aux)); 1531 1532 Expected<COFFSymbolRef> ReferredSym = 1533 Obj->getSymbol(Aux->SymbolTableIndex); 1534 StringRef ReferredName; 1535 std::error_code EC = errorToErrorCode(ReferredSym.takeError()); 1536 if (EC || (EC = Obj->getSymbolName(*ReferredSym, ReferredName))) { 1537 ReferredName = ""; 1538 error(EC); 1539 } 1540 1541 DictScope AS(W, "AuxCLRToken"); 1542 W.printNumber("AuxType", Aux->AuxType); 1543 W.printNumber("Reserved", Aux->Reserved); 1544 W.printNumber("SymbolTableIndex", ReferredName, Aux->SymbolTableIndex); 1545 1546 } else { 1547 W.startLine() << "<unhandled auxiliary record>\n"; 1548 } 1549 } 1550 } 1551 1552 void COFFDumper::printUnwindInfo() { 1553 ListScope D(W, "UnwindInformation"); 1554 switch (Obj->getMachine()) { 1555 case COFF::IMAGE_FILE_MACHINE_AMD64: { 1556 Win64EH::Dumper Dumper(W); 1557 Win64EH::Dumper::SymbolResolver 1558 Resolver = [](const object::coff_section *Section, uint64_t Offset, 1559 SymbolRef &Symbol, void *user_data) -> std::error_code { 1560 COFFDumper *Dumper = reinterpret_cast<COFFDumper *>(user_data); 1561 return Dumper->resolveSymbol(Section, Offset, Symbol); 1562 }; 1563 Win64EH::Dumper::Context Ctx(*Obj, Resolver, this); 1564 Dumper.printData(Ctx); 1565 break; 1566 } 1567 case COFF::IMAGE_FILE_MACHINE_ARM64: 1568 case COFF::IMAGE_FILE_MACHINE_ARMNT: { 1569 ARM::WinEH::Decoder Decoder(W, Obj->getMachine() == 1570 COFF::IMAGE_FILE_MACHINE_ARM64); 1571 // TODO Propagate the error. 1572 consumeError(Decoder.dumpProcedureData(*Obj)); 1573 break; 1574 } 1575 default: 1576 W.printEnum("unsupported Image Machine", Obj->getMachine(), 1577 makeArrayRef(ImageFileMachineType)); 1578 break; 1579 } 1580 } 1581 1582 void COFFDumper::printNeededLibraries() { 1583 ListScope D(W, "NeededLibraries"); 1584 1585 using LibsTy = std::vector<StringRef>; 1586 LibsTy Libs; 1587 1588 for (const ImportDirectoryEntryRef &DirRef : Obj->import_directories()) { 1589 StringRef Name; 1590 if (!DirRef.getName(Name)) 1591 Libs.push_back(Name); 1592 } 1593 1594 llvm::stable_sort(Libs); 1595 1596 for (const auto &L : Libs) { 1597 W.startLine() << L << "\n"; 1598 } 1599 } 1600 1601 void COFFDumper::printImportedSymbols( 1602 iterator_range<imported_symbol_iterator> Range) { 1603 for (const ImportedSymbolRef &I : Range) { 1604 StringRef Sym; 1605 error(I.getSymbolName(Sym)); 1606 uint16_t Ordinal; 1607 error(I.getOrdinal(Ordinal)); 1608 W.printNumber("Symbol", Sym, Ordinal); 1609 } 1610 } 1611 1612 void COFFDumper::printDelayImportedSymbols( 1613 const DelayImportDirectoryEntryRef &I, 1614 iterator_range<imported_symbol_iterator> Range) { 1615 int Index = 0; 1616 for (const ImportedSymbolRef &S : Range) { 1617 DictScope Import(W, "Import"); 1618 StringRef Sym; 1619 error(S.getSymbolName(Sym)); 1620 uint16_t Ordinal; 1621 error(S.getOrdinal(Ordinal)); 1622 W.printNumber("Symbol", Sym, Ordinal); 1623 uint64_t Addr; 1624 error(I.getImportAddress(Index++, Addr)); 1625 W.printHex("Address", Addr); 1626 } 1627 } 1628 1629 void COFFDumper::printCOFFImports() { 1630 // Regular imports 1631 for (const ImportDirectoryEntryRef &I : Obj->import_directories()) { 1632 DictScope Import(W, "Import"); 1633 StringRef Name; 1634 error(I.getName(Name)); 1635 W.printString("Name", Name); 1636 uint32_t ILTAddr; 1637 error(I.getImportLookupTableRVA(ILTAddr)); 1638 W.printHex("ImportLookupTableRVA", ILTAddr); 1639 uint32_t IATAddr; 1640 error(I.getImportAddressTableRVA(IATAddr)); 1641 W.printHex("ImportAddressTableRVA", IATAddr); 1642 // The import lookup table can be missing with certain older linkers, so 1643 // fall back to the import address table in that case. 1644 if (ILTAddr) 1645 printImportedSymbols(I.lookup_table_symbols()); 1646 else 1647 printImportedSymbols(I.imported_symbols()); 1648 } 1649 1650 // Delay imports 1651 for (const DelayImportDirectoryEntryRef &I : Obj->delay_import_directories()) { 1652 DictScope Import(W, "DelayImport"); 1653 StringRef Name; 1654 error(I.getName(Name)); 1655 W.printString("Name", Name); 1656 const delay_import_directory_table_entry *Table; 1657 error(I.getDelayImportTable(Table)); 1658 W.printHex("Attributes", Table->Attributes); 1659 W.printHex("ModuleHandle", Table->ModuleHandle); 1660 W.printHex("ImportAddressTable", Table->DelayImportAddressTable); 1661 W.printHex("ImportNameTable", Table->DelayImportNameTable); 1662 W.printHex("BoundDelayImportTable", Table->BoundDelayImportTable); 1663 W.printHex("UnloadDelayImportTable", Table->UnloadDelayImportTable); 1664 printDelayImportedSymbols(I, I.imported_symbols()); 1665 } 1666 } 1667 1668 void COFFDumper::printCOFFExports() { 1669 for (const ExportDirectoryEntryRef &E : Obj->export_directories()) { 1670 DictScope Export(W, "Export"); 1671 1672 StringRef Name; 1673 uint32_t Ordinal, RVA; 1674 1675 error(E.getSymbolName(Name)); 1676 error(E.getOrdinal(Ordinal)); 1677 error(E.getExportRVA(RVA)); 1678 1679 W.printNumber("Ordinal", Ordinal); 1680 W.printString("Name", Name); 1681 W.printHex("RVA", RVA); 1682 } 1683 } 1684 1685 void COFFDumper::printCOFFDirectives() { 1686 for (const SectionRef &Section : Obj->sections()) { 1687 StringRef Name = unwrapOrError(Obj->getFileName(), Section.getName()); 1688 if (Name != ".drectve") 1689 continue; 1690 1691 StringRef Contents = 1692 unwrapOrError(Obj->getFileName(), Section.getContents()); 1693 W.printString("Directive(s)", Contents); 1694 } 1695 } 1696 1697 static std::string getBaseRelocTypeName(uint8_t Type) { 1698 switch (Type) { 1699 case COFF::IMAGE_REL_BASED_ABSOLUTE: return "ABSOLUTE"; 1700 case COFF::IMAGE_REL_BASED_HIGH: return "HIGH"; 1701 case COFF::IMAGE_REL_BASED_LOW: return "LOW"; 1702 case COFF::IMAGE_REL_BASED_HIGHLOW: return "HIGHLOW"; 1703 case COFF::IMAGE_REL_BASED_HIGHADJ: return "HIGHADJ"; 1704 case COFF::IMAGE_REL_BASED_ARM_MOV32T: return "ARM_MOV32(T)"; 1705 case COFF::IMAGE_REL_BASED_DIR64: return "DIR64"; 1706 default: return "unknown (" + llvm::utostr(Type) + ")"; 1707 } 1708 } 1709 1710 void COFFDumper::printCOFFBaseReloc() { 1711 ListScope D(W, "BaseReloc"); 1712 for (const BaseRelocRef &I : Obj->base_relocs()) { 1713 uint8_t Type; 1714 uint32_t RVA; 1715 error(I.getRVA(RVA)); 1716 error(I.getType(Type)); 1717 DictScope Import(W, "Entry"); 1718 W.printString("Type", getBaseRelocTypeName(Type)); 1719 W.printHex("Address", RVA); 1720 } 1721 } 1722 1723 void COFFDumper::printCOFFResources() { 1724 ListScope ResourcesD(W, "Resources"); 1725 for (const SectionRef &S : Obj->sections()) { 1726 StringRef Name = unwrapOrError(Obj->getFileName(), S.getName()); 1727 if (!Name.startswith(".rsrc")) 1728 continue; 1729 1730 StringRef Ref = unwrapOrError(Obj->getFileName(), S.getContents()); 1731 1732 if ((Name == ".rsrc") || (Name == ".rsrc$01")) { 1733 ResourceSectionRef RSF(Ref); 1734 auto &BaseTable = unwrapOrError(Obj->getFileName(), RSF.getBaseTable()); 1735 W.printNumber("Total Number of Resources", 1736 countTotalTableEntries(RSF, BaseTable, "Type")); 1737 W.printHex("Base Table Address", 1738 Obj->getCOFFSection(S)->PointerToRawData); 1739 W.startLine() << "\n"; 1740 printResourceDirectoryTable(RSF, BaseTable, "Type"); 1741 } 1742 if (opts::SectionData) 1743 W.printBinaryBlock(Name.str() + " Data", Ref); 1744 } 1745 } 1746 1747 uint32_t 1748 COFFDumper::countTotalTableEntries(ResourceSectionRef RSF, 1749 const coff_resource_dir_table &Table, 1750 StringRef Level) { 1751 uint32_t TotalEntries = 0; 1752 for (int i = 0; i < Table.NumberOfNameEntries + Table.NumberOfIDEntries; 1753 i++) { 1754 auto Entry = unwrapOrError(Obj->getFileName(), 1755 getResourceDirectoryTableEntry(Table, i)); 1756 if (Entry.Offset.isSubDir()) { 1757 StringRef NextLevel; 1758 if (Level == "Name") 1759 NextLevel = "Language"; 1760 else 1761 NextLevel = "Name"; 1762 auto &NextTable = 1763 unwrapOrError(Obj->getFileName(), RSF.getEntrySubDir(Entry)); 1764 TotalEntries += countTotalTableEntries(RSF, NextTable, NextLevel); 1765 } else { 1766 TotalEntries += 1; 1767 } 1768 } 1769 return TotalEntries; 1770 } 1771 1772 void COFFDumper::printResourceDirectoryTable( 1773 ResourceSectionRef RSF, const coff_resource_dir_table &Table, 1774 StringRef Level) { 1775 1776 W.printNumber("Number of String Entries", Table.NumberOfNameEntries); 1777 W.printNumber("Number of ID Entries", Table.NumberOfIDEntries); 1778 1779 // Iterate through level in resource directory tree. 1780 for (int i = 0; i < Table.NumberOfNameEntries + Table.NumberOfIDEntries; 1781 i++) { 1782 auto Entry = unwrapOrError(Obj->getFileName(), 1783 getResourceDirectoryTableEntry(Table, i)); 1784 StringRef Name; 1785 SmallString<20> IDStr; 1786 raw_svector_ostream OS(IDStr); 1787 if (i < Table.NumberOfNameEntries) { 1788 ArrayRef<UTF16> RawEntryNameString = 1789 unwrapOrError(Obj->getFileName(), RSF.getEntryNameString(Entry)); 1790 std::vector<UTF16> EndianCorrectedNameString; 1791 if (llvm::sys::IsBigEndianHost) { 1792 EndianCorrectedNameString.resize(RawEntryNameString.size() + 1); 1793 std::copy(RawEntryNameString.begin(), RawEntryNameString.end(), 1794 EndianCorrectedNameString.begin() + 1); 1795 EndianCorrectedNameString[0] = UNI_UTF16_BYTE_ORDER_MARK_SWAPPED; 1796 RawEntryNameString = makeArrayRef(EndianCorrectedNameString); 1797 } 1798 std::string EntryNameString; 1799 if (!llvm::convertUTF16ToUTF8String(RawEntryNameString, EntryNameString)) 1800 error(object_error::parse_failed); 1801 OS << ": "; 1802 OS << EntryNameString; 1803 } else { 1804 if (Level == "Type") { 1805 OS << ": "; 1806 printResourceTypeName(Entry.Identifier.ID, OS); 1807 IDStr = IDStr.slice(0, IDStr.find_first_of(")", 0) + 1); 1808 } else { 1809 OS << ": (ID " << Entry.Identifier.ID << ")"; 1810 } 1811 } 1812 Name = StringRef(IDStr); 1813 ListScope ResourceType(W, Level.str() + Name.str()); 1814 if (Entry.Offset.isSubDir()) { 1815 W.printHex("Table Offset", Entry.Offset.value()); 1816 StringRef NextLevel; 1817 if (Level == "Name") 1818 NextLevel = "Language"; 1819 else 1820 NextLevel = "Name"; 1821 auto &NextTable = 1822 unwrapOrError(Obj->getFileName(), RSF.getEntrySubDir(Entry)); 1823 printResourceDirectoryTable(RSF, NextTable, NextLevel); 1824 } else { 1825 W.printHex("Entry Offset", Entry.Offset.value()); 1826 char FormattedTime[20] = {}; 1827 time_t TDS = time_t(Table.TimeDateStamp); 1828 strftime(FormattedTime, 20, "%Y-%m-%d %H:%M:%S", gmtime(&TDS)); 1829 W.printHex("Time/Date Stamp", FormattedTime, Table.TimeDateStamp); 1830 W.printNumber("Major Version", Table.MajorVersion); 1831 W.printNumber("Minor Version", Table.MinorVersion); 1832 W.printNumber("Characteristics", Table.Characteristics); 1833 } 1834 } 1835 } 1836 1837 Expected<const coff_resource_dir_entry &> 1838 COFFDumper::getResourceDirectoryTableEntry(const coff_resource_dir_table &Table, 1839 uint32_t Index) { 1840 if (Index >= (uint32_t)(Table.NumberOfNameEntries + Table.NumberOfIDEntries)) 1841 return createError("can't get resource directory table entry"); 1842 auto TablePtr = reinterpret_cast<const coff_resource_dir_entry *>(&Table + 1); 1843 return TablePtr[Index]; 1844 } 1845 1846 void COFFDumper::printStackMap() const { 1847 object::SectionRef StackMapSection; 1848 for (auto Sec : Obj->sections()) { 1849 StringRef Name; 1850 if (Expected<StringRef> NameOrErr = Sec.getName()) 1851 Name = *NameOrErr; 1852 else 1853 consumeError(NameOrErr.takeError()); 1854 1855 if (Name == ".llvm_stackmaps") { 1856 StackMapSection = Sec; 1857 break; 1858 } 1859 } 1860 1861 if (StackMapSection == object::SectionRef()) 1862 return; 1863 1864 StringRef StackMapContents = 1865 unwrapOrError(Obj->getFileName(), StackMapSection.getContents()); 1866 ArrayRef<uint8_t> StackMapContentsArray = 1867 arrayRefFromStringRef(StackMapContents); 1868 1869 if (Obj->isLittleEndian()) 1870 prettyPrintStackMap( 1871 W, StackMapParser<support::little>(StackMapContentsArray)); 1872 else 1873 prettyPrintStackMap( 1874 W, StackMapParser<support::big>(StackMapContentsArray)); 1875 } 1876 1877 void COFFDumper::printAddrsig() { 1878 object::SectionRef AddrsigSection; 1879 for (auto Sec : Obj->sections()) { 1880 StringRef Name; 1881 if (Expected<StringRef> NameOrErr = Sec.getName()) 1882 Name = *NameOrErr; 1883 else 1884 consumeError(NameOrErr.takeError()); 1885 1886 if (Name == ".llvm_addrsig") { 1887 AddrsigSection = Sec; 1888 break; 1889 } 1890 } 1891 1892 if (AddrsigSection == object::SectionRef()) 1893 return; 1894 1895 StringRef AddrsigContents = 1896 unwrapOrError(Obj->getFileName(), AddrsigSection.getContents()); 1897 ArrayRef<uint8_t> AddrsigContentsArray(AddrsigContents.bytes_begin(), 1898 AddrsigContents.size()); 1899 1900 ListScope L(W, "Addrsig"); 1901 const uint8_t *Cur = AddrsigContents.bytes_begin(); 1902 const uint8_t *End = AddrsigContents.bytes_end(); 1903 while (Cur != End) { 1904 unsigned Size; 1905 const char *Err; 1906 uint64_t SymIndex = decodeULEB128(Cur, &Size, End, &Err); 1907 if (Err) 1908 reportError(Err); 1909 1910 Expected<COFFSymbolRef> Sym = Obj->getSymbol(SymIndex); 1911 StringRef SymName; 1912 std::error_code EC = errorToErrorCode(Sym.takeError()); 1913 if (EC || (EC = Obj->getSymbolName(*Sym, SymName))) { 1914 SymName = ""; 1915 error(EC); 1916 } 1917 1918 W.printNumber("Sym", SymName, SymIndex); 1919 Cur += Size; 1920 } 1921 } 1922 1923 void llvm::dumpCodeViewMergedTypes(ScopedPrinter &Writer, 1924 ArrayRef<ArrayRef<uint8_t>> IpiRecords, 1925 ArrayRef<ArrayRef<uint8_t>> TpiRecords) { 1926 TypeTableCollection TpiTypes(TpiRecords); 1927 { 1928 ListScope S(Writer, "MergedTypeStream"); 1929 TypeDumpVisitor TDV(TpiTypes, &Writer, opts::CodeViewSubsectionBytes); 1930 if (Error Err = codeview::visitTypeStream(TpiTypes, TDV)) 1931 reportError(std::move(Err), "<?>"); 1932 Writer.flush(); 1933 } 1934 1935 // Flatten the id stream and print it next. The ID stream refers to names from 1936 // the type stream. 1937 TypeTableCollection IpiTypes(IpiRecords); 1938 { 1939 ListScope S(Writer, "MergedIDStream"); 1940 TypeDumpVisitor TDV(TpiTypes, &Writer, opts::CodeViewSubsectionBytes); 1941 TDV.setIpiTypes(IpiTypes); 1942 if (Error Err = codeview::visitTypeStream(IpiTypes, TDV)) 1943 reportError(std::move(Err), "<?>"); 1944 Writer.flush(); 1945 } 1946 } 1947