tools/llvm-readobj/COFFDumper.cpp

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