tools/llvm-pdbdump/llvm-pdbdump.cpp

   1 //===- llvm-pdbdump.cpp - Dump debug info from a PDB file -------*- 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 // Dumps debug information present in PDB files.  This utility makes use of
  11 // the Microsoft Windows SDK, so will not compile or run on non-Windows
  12 // platforms.
  13 //
  14 //===----------------------------------------------------------------------===//
  15
  16 #include "llvm-pdbdump.h"
  17 #include "CompilandDumper.h"
  18 #include "ExternalSymbolDumper.h"
  19 #include "FunctionDumper.h"
  20 #include "LinePrinter.h"
  21 #include "TypeDumper.h"
  22 #include "VariableDumper.h"
  23
  24 #include "llvm/ADT/ArrayRef.h"
  25 #include "llvm/ADT/BitVector.h"
  26 #include "llvm/ADT/DenseMap.h"
  27 #include "llvm/ADT/StringExtras.h"
  28 #include "llvm/Config/config.h"
  29 #include "llvm/DebugInfo/PDB/IPDBEnumChildren.h"
  30 #include "llvm/DebugInfo/PDB/IPDBRawSymbol.h"
  31 #include "llvm/DebugInfo/PDB/IPDBSession.h"
  32 #include "llvm/DebugInfo/PDB/PDB.h"
  33 #include "llvm/DebugInfo/PDB/PDBSymbolCompiland.h"
  34 #include "llvm/DebugInfo/PDB/PDBSymbolData.h"
  35 #include "llvm/DebugInfo/PDB/PDBSymbolExe.h"
  36 #include "llvm/DebugInfo/PDB/PDBSymbolFunc.h"
  37 #include "llvm/DebugInfo/PDB/PDBSymbolThunk.h"
  38 #include "llvm/Support/CommandLine.h"
  39 #include "llvm/Support/ConvertUTF.h"
  40 #include "llvm/Support/FileSystem.h"
  41 #include "llvm/Support/Format.h"
  42 #include "llvm/Support/ManagedStatic.h"
  43 #include "llvm/Support/MemoryBuffer.h"
  44 #include "llvm/Support/PrettyStackTrace.h"
  45 #include "llvm/Support/Process.h"
  46 #include "llvm/Support/raw_ostream.h"
  47 #include "llvm/Support/Signals.h"
  48
  49 #if defined(HAVE_DIA_SDK)
  50 #ifndef NOMINMAX
  51 #define NOMINMAX
  52 #endif
  53 #include <Windows.h>
  54 #endif
  55
  56 using namespace llvm;
  57
  58 namespace opts {
  59
  60 enum class PDB_DumpType { ByType, ByObjFile, Both };
  61
  62 cl::list<std::string> InputFilenames(cl::Positional,
  63                                      cl::desc("<input PDB files>"),
  64                                      cl::OneOrMore);
  65
  66 cl::OptionCategory TypeCategory("Symbol Type Options");
  67 cl::OptionCategory FilterCategory("Filtering Options");
  68 cl::OptionCategory OtherOptions("Other Options");
  69
  70 cl::opt<bool> Compilands("compilands", cl::desc("Display compilands"),
  71                          cl::cat(TypeCategory));
  72 cl::opt<bool> Symbols("symbols", cl::desc("Display symbols for each compiland"),
  73                       cl::cat(TypeCategory));
  74 cl::opt<bool> Globals("globals", cl::desc("Dump global symbols"),
  75                       cl::cat(TypeCategory));
  76 cl::opt<bool> Externals("externals", cl::desc("Dump external symbols"),
  77                         cl::cat(TypeCategory));
  78 cl::opt<bool> Types("types", cl::desc("Display types"), cl::cat(TypeCategory));
  79 cl::opt<bool>
  80     All("all", cl::desc("Implies all other options in 'Symbol Types' category"),
  81         cl::cat(TypeCategory));
  82
  83 cl::opt<uint64_t> LoadAddress(
  84     "load-address",
  85     cl::desc("Assume the module is loaded at the specified address"),
  86     cl::cat(OtherOptions));
  87
  88 cl::opt<bool> DumpHeaders("dump-headers", cl::desc("dump PDB headers"),
  89                           cl::cat(OtherOptions));
  90 cl::opt<bool> DumpStreamSizes("dump-stream-sizes",
  91                               cl::desc("dump PDB stream sizes"),
  92                               cl::cat(OtherOptions));
  93 cl::opt<bool> DumpStreamBlocks("dump-stream-blocks",
  94                                cl::desc("dump PDB stream blocks"),
  95                                cl::cat(OtherOptions));
  96 cl::opt<std::string> DumpStreamData("dump-stream", cl::desc("dump stream data"),
  97                                     cl::cat(OtherOptions));
  98
  99 cl::list<std::string>
 100     ExcludeTypes("exclude-types",
 101                  cl::desc("Exclude types by regular expression"),
 102                  cl::ZeroOrMore, cl::cat(FilterCategory));
 103 cl::list<std::string>
 104     ExcludeSymbols("exclude-symbols",
 105                    cl::desc("Exclude symbols by regular expression"),
 106                    cl::ZeroOrMore, cl::cat(FilterCategory));
 107 cl::list<std::string>
 108     ExcludeCompilands("exclude-compilands",
 109                       cl::desc("Exclude compilands by regular expression"),
 110                       cl::ZeroOrMore, cl::cat(FilterCategory));
 111
 112 cl::list<std::string> IncludeTypes(
 113     "include-types",
 114     cl::desc("Include only types which match a regular expression"),
 115     cl::ZeroOrMore, cl::cat(FilterCategory));
 116 cl::list<std::string> IncludeSymbols(
 117     "include-symbols",
 118     cl::desc("Include only symbols which match a regular expression"),
 119     cl::ZeroOrMore, cl::cat(FilterCategory));
 120 cl::list<std::string> IncludeCompilands(
 121     "include-compilands",
 122     cl::desc("Include only compilands those which match a regular expression"),
 123     cl::ZeroOrMore, cl::cat(FilterCategory));
 124
 125 cl::opt<bool> ExcludeCompilerGenerated(
 126     "no-compiler-generated",
 127     cl::desc("Don't show compiler generated types and symbols"),
 128     cl::cat(FilterCategory));
 129 cl::opt<bool>
 130     ExcludeSystemLibraries("no-system-libs",
 131                            cl::desc("Don't show symbols from system libraries"),
 132                            cl::cat(FilterCategory));
 133 cl::opt<bool> NoClassDefs("no-class-definitions",
 134                           cl::desc("Don't display full class definitions"),
 135                           cl::cat(FilterCategory));
 136 cl::opt<bool> NoEnumDefs("no-enum-definitions",
 137                          cl::desc("Don't display full enum definitions"),
 138                          cl::cat(FilterCategory));
 139 }
 140
 141
 142 static void reportError(StringRef Input, StringRef Message) {
 143   if (Input == "-")
 144     Input = "<stdin>";
 145   errs() << Input << ": " << Message << "\n";
 146   errs().flush();
 147   exit(1);
 148 }
 149
 150 static void reportError(StringRef Input, std::error_code EC) {
 151   reportError(Input, EC.message());
 152 }
 153
 154 static std::error_code checkOffset(MemoryBufferRef M, uintptr_t Addr,
 155                                    const uint64_t Size) {
 156   if (Addr + Size < Addr || Addr + Size < Size ||
 157       Addr + Size > uintptr_t(M.getBufferEnd()) ||
 158       Addr < uintptr_t(M.getBufferStart())) {
 159     return std::make_error_code(std::errc::bad_address);
 160   }
 161   return std::error_code();
 162 }
 163
 164 template <typename T>
 165 static std::error_code checkOffset(MemoryBufferRef M, ArrayRef<T> AR) {
 166   return checkOffset(M, uintptr_t(AR.data()), (uint64_t)AR.size() * sizeof(T));
 167 }
 168
 169 static std::error_code checkOffset(MemoryBufferRef M, StringRef SR) {
 170   return checkOffset(M, uintptr_t(SR.data()), SR.size());
 171 }
 172
 173 // Sets Obj unless any bytes in [addr, addr + size) fall outsize of m.
 174 // Returns unexpected_eof if error.
 175 template <typename T>
 176 static std::error_code getObject(const T *&Obj, MemoryBufferRef M,
 177                                  const void *Ptr,
 178                                  const uint64_t Size = sizeof(T)) {
 179   uintptr_t Addr = uintptr_t(Ptr);
 180   if (std::error_code EC = checkOffset(M, Addr, Size))
 181     return EC;
 182   Obj = reinterpret_cast<const T *>(Addr);
 183   return std::error_code();
 184 }
 185
 186 static uint64_t bytesToBlocks(uint64_t NumBytes, uint64_t BlockSize) {
 187   return RoundUpToAlignment(NumBytes, BlockSize) / BlockSize;
 188 }
 189
 190 static uint64_t blockToOffset(uint64_t BlockNumber, uint64_t BlockSize) {
 191   return BlockNumber * BlockSize;
 192 }
 193
 194 static void dumpStructure(MemoryBufferRef M) {
 195   const PDB::SuperBlock *SB;
 196   if (auto EC = getObject(SB, M, M.getBufferStart()))
 197     reportError(M.getBufferIdentifier(), EC);
 198
 199   if (opts::DumpHeaders) {
 200     outs() << "BlockSize: " << SB->BlockSize << '\n';
 201     outs() << "Unknown0: " << SB->Unknown0 << '\n';
 202     outs() << "NumBlocks: " << SB->NumBlocks << '\n';
 203     outs() << "NumDirectoryBytes: " << SB->NumDirectoryBytes << '\n';
 204     outs() << "Unknown1: " << SB->Unknown1 << '\n';
 205     outs() << "BlockMapAddr: " << SB->BlockMapAddr << '\n';
 206   }
 207
 208   // We don't support blocksizes which aren't a multiple of four bytes.
 209   if (SB->BlockSize % sizeof(support::ulittle32_t) != 0)
 210     reportError(M.getBufferIdentifier(),
 211                 std::make_error_code(std::errc::illegal_byte_sequence));
 212
 213   // We don't support directories whose sizes aren't a multiple of four bytes.
 214   if (SB->NumDirectoryBytes % sizeof(support::ulittle32_t) != 0)
 215     reportError(M.getBufferIdentifier(),
 216                 std::make_error_code(std::errc::illegal_byte_sequence));
 217
 218   // The number of blocks which comprise the directory is a simple function of
 219   // the number of bytes it contains.
 220   uint64_t NumDirectoryBlocks =
 221       bytesToBlocks(SB->NumDirectoryBytes, SB->BlockSize);
 222   if (opts::DumpHeaders)
 223     outs() << "NumDirectoryBlocks: " << NumDirectoryBlocks << '\n';
 224
 225   // The block map, as we understand it, is a block which consists of a list of
 226   // block numbers.
 227   // It is unclear what would happen if the number of blocks couldn't fit on a
 228   // single block.
 229   if (NumDirectoryBlocks > SB->BlockSize / sizeof(support::ulittle32_t))
 230     reportError(M.getBufferIdentifier(),
 231                 std::make_error_code(std::errc::illegal_byte_sequence));
 232
 233
 234   uint64_t BlockMapOffset = (uint64_t)SB->BlockMapAddr * SB->BlockSize;
 235   if (opts::DumpHeaders)
 236     outs() << "BlockMapOffset: " << BlockMapOffset << '\n';
 237
 238   // The directory is not contiguous.  Instead, the block map contains a
 239   // contiguous list of block numbers whose contents, when concatenated in
 240   // order, make up the directory.
 241   auto DirectoryBlocks =
 242       makeArrayRef(reinterpret_cast<const support::ulittle32_t *>(
 243                        M.getBufferStart() + BlockMapOffset),
 244                    NumDirectoryBlocks);
 245   if (auto EC = checkOffset(M, DirectoryBlocks))
 246     reportError(M.getBufferIdentifier(), EC);
 247
 248   if (opts::DumpHeaders) {
 249     outs() << "DirectoryBlocks: [";
 250     for (const support::ulittle32_t &DirectoryBlockAddr : DirectoryBlocks) {
 251       if (&DirectoryBlockAddr != &DirectoryBlocks.front())
 252         outs() << ", ";
 253       outs() << DirectoryBlockAddr;
 254     }
 255     outs() << "]\n";
 256   }
 257
 258   bool SeenNumStreams = false;
 259   uint32_t NumStreams = 0;
 260   std::vector<uint32_t> StreamSizes;
 261   DenseMap<uint32_t, std::vector<uint32_t>> StreamMap;
 262   uint32_t StreamIdx = 0;
 263   uint64_t DirectoryBytesRead = 0;
 264   // The structure of the directory is as follows:
 265   //    struct PDBDirectory {
 266   //      uint32_t NumStreams;
 267   //      uint32_t StreamSizes[NumStreams];
 268   //      uint32_t StreamMap[NumStreams][];
 269   //    };
 270   //
 271   //  Empty streams don't consume entries in the StreamMap.
 272   for (uint32_t DirectoryBlockAddr : DirectoryBlocks) {
 273     uint64_t DirectoryBlockOffset =
 274         blockToOffset(DirectoryBlockAddr, SB->BlockSize);
 275     auto DirectoryBlock =
 276         makeArrayRef(reinterpret_cast<const support::ulittle32_t *>(
 277                          M.getBufferStart() + DirectoryBlockOffset),
 278                      SB->BlockSize / sizeof(support::ulittle32_t));
 279     if (auto EC = checkOffset(M, DirectoryBlock))
 280       reportError(M.getBufferIdentifier(), EC);
 281
 282     // We read data out of the directory four bytes at a time.  Depending on
 283     // where we are in the directory, the contents may be: the number of streams
 284     // in the directory, a stream's size, or a block in the stream map.
 285     for (uint32_t Data : DirectoryBlock) {
 286       // Don't read beyond the end of the directory.
 287       if (DirectoryBytesRead == SB->NumDirectoryBytes)
 288         break;
 289
 290       DirectoryBytesRead += sizeof(Data);
 291
 292       // This data must be the number of streams if we haven't seen it yet.
 293       if (!SeenNumStreams) {
 294         NumStreams = Data;
 295         SeenNumStreams = true;
 296         continue;
 297       }
 298       // This data must be a stream size if we have not seen them all yet.
 299       if (StreamSizes.size() < NumStreams) {
 300         // It seems like some streams have their set to -1 when their contents
 301         // are not present.  Treat them like empty streams for now.
 302         if (Data == UINT32_MAX)
 303           StreamSizes.push_back(0);
 304         else
 305           StreamSizes.push_back(Data);
 306         continue;
 307       }
 308
 309       // This data must be a stream block number if we have seen all of the
 310       // stream sizes.
 311       std::vector<uint32_t> *StreamBlocks = nullptr;
 312       // Figure out which stream this block number belongs to.
 313       while (StreamIdx < NumStreams) {
 314         uint64_t NumExpectedStreamBlocks =
 315             bytesToBlocks(StreamSizes[StreamIdx], SB->BlockSize);
 316         StreamBlocks = &StreamMap[StreamIdx];
 317         if (NumExpectedStreamBlocks > StreamBlocks->size())
 318           break;
 319         ++StreamIdx;
 320       }
 321       // It seems this block doesn't belong to any stream?  The stream is either
 322       // corrupt or something more mysterious is going on.
 323       if (StreamIdx == NumStreams)
 324         reportError(M.getBufferIdentifier(),
 325                     std::make_error_code(std::errc::illegal_byte_sequence));
 326
 327       StreamBlocks->push_back(Data);
 328     }
 329   }
 330
 331   // We should have read exactly SB->NumDirectoryBytes bytes.
 332   assert(DirectoryBytesRead == SB->NumDirectoryBytes);
 333
 334   if (opts::DumpHeaders)
 335     outs() << "NumStreams: " << NumStreams << '\n';
 336   if (opts::DumpStreamSizes)
 337     for (uint32_t StreamIdx = 0; StreamIdx < NumStreams; ++StreamIdx)
 338       outs() << "StreamSizes[" << StreamIdx << "]: " << StreamSizes[StreamIdx]
 339              << '\n';
 340
 341   if (opts::DumpStreamBlocks) {
 342     for (uint32_t StreamIdx = 0; StreamIdx < NumStreams; ++StreamIdx) {
 343       outs() << "StreamBlocks[" << StreamIdx << "]: [";
 344       std::vector<uint32_t> &StreamBlocks = StreamMap[StreamIdx];
 345       for (uint32_t &StreamBlock : StreamBlocks) {
 346         if (&StreamBlock != &StreamBlocks.front())
 347           outs() << ", ";
 348         outs() << StreamBlock;
 349       }
 350       outs() << "]\n";
 351     }
 352   }
 353
 354   StringRef DumpStreamStr = opts::DumpStreamData;
 355   uint32_t DumpStreamNum;
 356   if (!DumpStreamStr.getAsInteger(/*Radix=*/0U, DumpStreamNum) &&
 357       DumpStreamNum < NumStreams) {
 358     uint32_t StreamBytesRead = 0;
 359     uint32_t StreamSize = StreamSizes[DumpStreamNum];
 360     std::vector<uint32_t> &StreamBlocks = StreamMap[DumpStreamNum];
 361     for (uint32_t &StreamBlockAddr : StreamBlocks) {
 362       uint64_t StreamBlockOffset = blockToOffset(StreamBlockAddr, SB->BlockSize);
 363       uint32_t BytesLeftToReadInStream = StreamSize - StreamBytesRead;
 364       if (BytesLeftToReadInStream == 0)
 365         break;
 366
 367       uint32_t BytesToReadInBlock = std::min(
 368           BytesLeftToReadInStream, static_cast<uint32_t>(SB->BlockSize));
 369       auto StreamBlockData =
 370           StringRef(M.getBufferStart() + StreamBlockOffset, BytesToReadInBlock);
 371       if (auto EC = checkOffset(M, StreamBlockData))
 372         reportError(M.getBufferIdentifier(), EC);
 373
 374       outs() << StreamBlockData;
 375       StreamBytesRead += StreamBlockData.size();
 376     }
 377   }
 378 }
 379
 380 static void dumpInput(StringRef Path) {
 381   if (opts::DumpHeaders || !opts::DumpStreamData.empty()) {
 382     ErrorOr<std::unique_ptr<MemoryBuffer>> ErrorOrBuffer =
 383         MemoryBuffer::getFileOrSTDIN(Path, /*FileSize=*/-1,
 384                                      /*RequiresNullTerminator=*/false);
 385
 386     if (std::error_code EC = ErrorOrBuffer.getError())
 387       reportError(Path, EC);
 388
 389     std::unique_ptr<MemoryBuffer> &Buffer = ErrorOrBuffer.get();
 390
 391     dumpStructure(Buffer->getMemBufferRef());
 392
 393     outs().flush();
 394     return;
 395   }
 396
 397   std::unique_ptr<IPDBSession> Session;
 398   PDB_ErrorCode Error = loadDataForPDB(PDB_ReaderType::DIA, Path, Session);
 399   switch (Error) {
 400   case PDB_ErrorCode::Success:
 401     break;
 402   case PDB_ErrorCode::NoPdbImpl:
 403     outs() << "Reading PDBs is not supported on this platform.\n";
 404     return;
 405   case PDB_ErrorCode::InvalidPath:
 406     outs() << "Unable to load PDB at '" << Path
 407            << "'.  Check that the file exists and is readable.\n";
 408     return;
 409   case PDB_ErrorCode::InvalidFileFormat:
 410     outs() << "Unable to load PDB at '" << Path
 411            << "'.  The file has an unrecognized format.\n";
 412     return;
 413   default:
 414     outs() << "Unable to load PDB at '" << Path
 415            << "'.  An unknown error occured.\n";
 416     return;
 417   }
 418   if (opts::LoadAddress)
 419     Session->setLoadAddress(opts::LoadAddress);
 420
 421   LinePrinter Printer(2, outs());
 422
 423   auto GlobalScope(Session->getGlobalScope());
 424   std::string FileName(GlobalScope->getSymbolsFileName());
 425
 426   WithColor(Printer, PDB_ColorItem::None).get() << "Summary for ";
 427   WithColor(Printer, PDB_ColorItem::Path).get() << FileName;
 428   Printer.Indent();
 429   uint64_t FileSize = 0;
 430
 431   Printer.NewLine();
 432   WithColor(Printer, PDB_ColorItem::Identifier).get() << "Size";
 433   if (!sys::fs::file_size(FileName, FileSize)) {
 434     Printer << ": " << FileSize << " bytes";
 435   } else {
 436     Printer << ": (Unable to obtain file size)";
 437   }
 438
 439   Printer.NewLine();
 440   WithColor(Printer, PDB_ColorItem::Identifier).get() << "Guid";
 441   Printer << ": " << GlobalScope->getGuid();
 442
 443   Printer.NewLine();
 444   WithColor(Printer, PDB_ColorItem::Identifier).get() << "Age";
 445   Printer << ": " << GlobalScope->getAge();
 446
 447   Printer.NewLine();
 448   WithColor(Printer, PDB_ColorItem::Identifier).get() << "Attributes";
 449   Printer << ": ";
 450   if (GlobalScope->hasCTypes())
 451     outs() << "HasCTypes ";
 452   if (GlobalScope->hasPrivateSymbols())
 453     outs() << "HasPrivateSymbols ";
 454   Printer.Unindent();
 455
 456   if (opts::Compilands) {
 457     Printer.NewLine();
 458     WithColor(Printer, PDB_ColorItem::SectionHeader).get()
 459         << "---COMPILANDS---";
 460     Printer.Indent();
 461     auto Compilands = GlobalScope->findAllChildren<PDBSymbolCompiland>();
 462     CompilandDumper Dumper(Printer);
 463     while (auto Compiland = Compilands->getNext())
 464       Dumper.start(*Compiland, false);
 465     Printer.Unindent();
 466   }
 467
 468   if (opts::Types) {
 469     Printer.NewLine();
 470     WithColor(Printer, PDB_ColorItem::SectionHeader).get() << "---TYPES---";
 471     Printer.Indent();
 472     TypeDumper Dumper(Printer);
 473     Dumper.start(*GlobalScope);
 474     Printer.Unindent();
 475   }
 476
 477   if (opts::Symbols) {
 478     Printer.NewLine();
 479     WithColor(Printer, PDB_ColorItem::SectionHeader).get() << "---SYMBOLS---";
 480     Printer.Indent();
 481     auto Compilands = GlobalScope->findAllChildren<PDBSymbolCompiland>();
 482     CompilandDumper Dumper(Printer);
 483     while (auto Compiland = Compilands->getNext())
 484       Dumper.start(*Compiland, true);
 485     Printer.Unindent();
 486   }
 487
 488   if (opts::Globals) {
 489     Printer.NewLine();
 490     WithColor(Printer, PDB_ColorItem::SectionHeader).get() << "---GLOBALS---";
 491     Printer.Indent();
 492     {
 493       FunctionDumper Dumper(Printer);
 494       auto Functions = GlobalScope->findAllChildren<PDBSymbolFunc>();
 495       while (auto Function = Functions->getNext()) {
 496         Printer.NewLine();
 497         Dumper.start(*Function, FunctionDumper::PointerType::None);
 498       }
 499     }
 500     {
 501       auto Vars = GlobalScope->findAllChildren<PDBSymbolData>();
 502       VariableDumper Dumper(Printer);
 503       while (auto Var = Vars->getNext())
 504         Dumper.start(*Var);
 505     }
 506     {
 507       auto Thunks = GlobalScope->findAllChildren<PDBSymbolThunk>();
 508       CompilandDumper Dumper(Printer);
 509       while (auto Thunk = Thunks->getNext())
 510         Dumper.dump(*Thunk);
 511     }
 512     Printer.Unindent();
 513   }
 514   if (opts::Externals) {
 515     Printer.NewLine();
 516     WithColor(Printer, PDB_ColorItem::SectionHeader).get() << "---EXTERNALS---";
 517     Printer.Indent();
 518     ExternalSymbolDumper Dumper(Printer);
 519     Dumper.start(*GlobalScope);
 520   }
 521   outs().flush();
 522 }
 523
 524 int main(int argc_, const char *argv_[]) {
 525   // Print a stack trace if we signal out.
 526   sys::PrintStackTraceOnErrorSignal();
 527   PrettyStackTraceProgram X(argc_, argv_);
 528
 529   SmallVector<const char *, 256> argv;
 530   SpecificBumpPtrAllocator<char> ArgAllocator;
 531   std::error_code EC = sys::Process::GetArgumentVector(
 532       argv, makeArrayRef(argv_, argc_), ArgAllocator);
 533   if (EC) {
 534     errs() << "error: couldn't get arguments: " << EC.message() << '\n';
 535     return 1;
 536   }
 537
 538   llvm_shutdown_obj Y; // Call llvm_shutdown() on exit.
 539
 540   cl::ParseCommandLineOptions(argv.size(), argv.data(), "LLVM PDB Dumper\n");
 541   if (opts::All) {
 542     opts::Compilands = true;
 543     opts::Symbols = true;
 544     opts::Globals = true;
 545     opts::Types = true;
 546     opts::Externals = true;
 547   }
 548   if (opts::ExcludeCompilerGenerated) {
 549     opts::ExcludeTypes.push_back("__vc_attributes");
 550     opts::ExcludeCompilands.push_back("* Linker *");
 551   }
 552   if (opts::ExcludeSystemLibraries) {
 553     opts::ExcludeCompilands.push_back(
 554         "f:\\binaries\\Intermediate\\vctools\\crt_bld");
 555   }
 556
 557 #if defined(HAVE_DIA_SDK)
 558   CoInitializeEx(nullptr, COINIT_MULTITHREADED);
 559 #endif
 560
 561   std::for_each(opts::InputFilenames.begin(), opts::InputFilenames.end(),
 562                 dumpInput);
 563
 564 #if defined(HAVE_DIA_SDK)
 565   CoUninitialize();
 566 #endif
 567
 568   return 0;
 569 }