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