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      1 //===- llvm-pdbutil.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.
     11 //
     12 //===----------------------------------------------------------------------===//
     13 
     14 #include "llvm-pdbutil.h"
     15 
     16 #include "Analyze.h"
     17 #include "BytesOutputStyle.h"
     18 #include "DumpOutputStyle.h"
     19 #include "ExplainOutputStyle.h"
     20 #include "InputFile.h"
     21 #include "LinePrinter.h"
     22 #include "OutputStyle.h"
     23 #include "PrettyClassDefinitionDumper.h"
     24 #include "PrettyCompilandDumper.h"
     25 #include "PrettyEnumDumper.h"
     26 #include "PrettyExternalSymbolDumper.h"
     27 #include "PrettyFunctionDumper.h"
     28 #include "PrettyTypeDumper.h"
     29 #include "PrettyTypedefDumper.h"
     30 #include "PrettyVariableDumper.h"
     31 #include "YAMLOutputStyle.h"
     32 
     33 #include "llvm/ADT/ArrayRef.h"
     34 #include "llvm/ADT/BitVector.h"
     35 #include "llvm/ADT/DenseMap.h"
     36 #include "llvm/ADT/STLExtras.h"
     37 #include "llvm/ADT/StringExtras.h"
     38 #include "llvm/BinaryFormat/Magic.h"
     39 #include "llvm/Config/config.h"
     40 #include "llvm/DebugInfo/CodeView/AppendingTypeTableBuilder.h"
     41 #include "llvm/DebugInfo/CodeView/DebugChecksumsSubsection.h"
     42 #include "llvm/DebugInfo/CodeView/DebugInlineeLinesSubsection.h"
     43 #include "llvm/DebugInfo/CodeView/DebugLinesSubsection.h"
     44 #include "llvm/DebugInfo/CodeView/LazyRandomTypeCollection.h"
     45 #include "llvm/DebugInfo/CodeView/MergingTypeTableBuilder.h"
     46 #include "llvm/DebugInfo/CodeView/StringsAndChecksums.h"
     47 #include "llvm/DebugInfo/CodeView/TypeStreamMerger.h"
     48 #include "llvm/DebugInfo/MSF/MSFBuilder.h"
     49 #include "llvm/DebugInfo/PDB/GenericError.h"
     50 #include "llvm/DebugInfo/PDB/IPDBEnumChildren.h"
     51 #include "llvm/DebugInfo/PDB/IPDBInjectedSource.h"
     52 #include "llvm/DebugInfo/PDB/IPDBRawSymbol.h"
     53 #include "llvm/DebugInfo/PDB/IPDBSession.h"
     54 #include "llvm/DebugInfo/PDB/Native/DbiModuleDescriptorBuilder.h"
     55 #include "llvm/DebugInfo/PDB/Native/DbiStreamBuilder.h"
     56 #include "llvm/DebugInfo/PDB/Native/InfoStream.h"
     57 #include "llvm/DebugInfo/PDB/Native/InfoStreamBuilder.h"
     58 #include "llvm/DebugInfo/PDB/Native/NativeSession.h"
     59 #include "llvm/DebugInfo/PDB/Native/PDBFile.h"
     60 #include "llvm/DebugInfo/PDB/Native/PDBFileBuilder.h"
     61 #include "llvm/DebugInfo/PDB/Native/PDBStringTableBuilder.h"
     62 #include "llvm/DebugInfo/PDB/Native/RawConstants.h"
     63 #include "llvm/DebugInfo/PDB/Native/RawError.h"
     64 #include "llvm/DebugInfo/PDB/Native/TpiStream.h"
     65 #include "llvm/DebugInfo/PDB/Native/TpiStreamBuilder.h"
     66 #include "llvm/DebugInfo/PDB/PDB.h"
     67 #include "llvm/DebugInfo/PDB/PDBSymbolCompiland.h"
     68 #include "llvm/DebugInfo/PDB/PDBSymbolData.h"
     69 #include "llvm/DebugInfo/PDB/PDBSymbolExe.h"
     70 #include "llvm/DebugInfo/PDB/PDBSymbolFunc.h"
     71 #include "llvm/DebugInfo/PDB/PDBSymbolPublicSymbol.h"
     72 #include "llvm/DebugInfo/PDB/PDBSymbolThunk.h"
     73 #include "llvm/DebugInfo/PDB/PDBSymbolTypeEnum.h"
     74 #include "llvm/DebugInfo/PDB/PDBSymbolTypeTypedef.h"
     75 #include "llvm/DebugInfo/PDB/PDBSymbolTypeUDT.h"
     76 #include "llvm/Support/BinaryByteStream.h"
     77 #include "llvm/Support/COM.h"
     78 #include "llvm/Support/CommandLine.h"
     79 #include "llvm/Support/ConvertUTF.h"
     80 #include "llvm/Support/FileOutputBuffer.h"
     81 #include "llvm/Support/FileSystem.h"
     82 #include "llvm/Support/Format.h"
     83 #include "llvm/Support/InitLLVM.h"
     84 #include "llvm/Support/LineIterator.h"
     85 #include "llvm/Support/ManagedStatic.h"
     86 #include "llvm/Support/MemoryBuffer.h"
     87 #include "llvm/Support/Path.h"
     88 #include "llvm/Support/PrettyStackTrace.h"
     89 #include "llvm/Support/Process.h"
     90 #include "llvm/Support/Regex.h"
     91 #include "llvm/Support/ScopedPrinter.h"
     92 #include "llvm/Support/Signals.h"
     93 #include "llvm/Support/raw_ostream.h"
     94 
     95 using namespace llvm;
     96 using namespace llvm::codeview;
     97 using namespace llvm::msf;
     98 using namespace llvm::pdb;
     99 
    100 namespace opts {
    101 
    102 cl::SubCommand DumpSubcommand("dump", "Dump MSF and CodeView debug info");
    103 cl::SubCommand BytesSubcommand("bytes", "Dump raw bytes from the PDB file");
    104 
    105 cl::SubCommand
    106     PrettySubcommand("pretty",
    107                      "Dump semantic information about types and symbols");
    108 
    109 cl::SubCommand
    110     YamlToPdbSubcommand("yaml2pdb",
    111                         "Generate a PDB file from a YAML description");
    112 cl::SubCommand
    113     PdbToYamlSubcommand("pdb2yaml",
    114                         "Generate a detailed YAML description of a PDB File");
    115 
    116 cl::SubCommand
    117     AnalyzeSubcommand("analyze",
    118                       "Analyze various aspects of a PDB's structure");
    119 
    120 cl::SubCommand MergeSubcommand("merge",
    121                                "Merge multiple PDBs into a single PDB");
    122 
    123 cl::SubCommand ExplainSubcommand("explain",
    124                                  "Explain the meaning of a file offset");
    125 
    126 cl::SubCommand ExportSubcommand("export",
    127                                 "Write binary data from a stream to a file");
    128 
    129 cl::OptionCategory TypeCategory("Symbol Type Options");
    130 cl::OptionCategory FilterCategory("Filtering and Sorting Options");
    131 cl::OptionCategory OtherOptions("Other Options");
    132 
    133 cl::ValuesClass ChunkValues = cl::values(
    134     clEnumValN(ModuleSubsection::CrossScopeExports, "cme",
    135                "Cross module exports (DEBUG_S_CROSSSCOPEEXPORTS subsection)"),
    136     clEnumValN(ModuleSubsection::CrossScopeImports, "cmi",
    137                "Cross module imports (DEBUG_S_CROSSSCOPEIMPORTS subsection)"),
    138     clEnumValN(ModuleSubsection::FileChecksums, "fc",
    139                "File checksums (DEBUG_S_CHECKSUMS subsection)"),
    140     clEnumValN(ModuleSubsection::InlineeLines, "ilines",
    141                "Inlinee lines (DEBUG_S_INLINEELINES subsection)"),
    142     clEnumValN(ModuleSubsection::Lines, "lines",
    143                "Lines (DEBUG_S_LINES subsection)"),
    144     clEnumValN(ModuleSubsection::StringTable, "strings",
    145                "String Table (DEBUG_S_STRINGTABLE subsection) (not "
    146                "typically present in PDB file)"),
    147     clEnumValN(ModuleSubsection::FrameData, "frames",
    148                "Frame Data (DEBUG_S_FRAMEDATA subsection)"),
    149     clEnumValN(ModuleSubsection::Symbols, "symbols",
    150                "Symbols (DEBUG_S_SYMBOLS subsection) (not typically "
    151                "present in PDB file)"),
    152     clEnumValN(ModuleSubsection::CoffSymbolRVAs, "rvas",
    153                "COFF Symbol RVAs (DEBUG_S_COFF_SYMBOL_RVA subsection)"),
    154     clEnumValN(ModuleSubsection::Unknown, "unknown",
    155                "Any subsection not covered by another option"),
    156     clEnumValN(ModuleSubsection::All, "all", "All known subsections"));
    157 
    158 namespace pretty {
    159 cl::list<std::string> InputFilenames(cl::Positional,
    160                                      cl::desc("<input PDB files>"),
    161                                      cl::OneOrMore, cl::sub(PrettySubcommand));
    162 
    163 cl::opt<bool> InjectedSources("injected-sources",
    164                               cl::desc("Display injected sources"),
    165                               cl::cat(OtherOptions), cl::sub(PrettySubcommand));
    166 cl::opt<bool> ShowInjectedSourceContent(
    167     "injected-source-content",
    168     cl::desc("When displaying an injected source, display the file content"),
    169     cl::cat(OtherOptions), cl::sub(PrettySubcommand));
    170 
    171 cl::list<std::string> WithName(
    172     "with-name",
    173     cl::desc("Display any symbol or type with the specified exact name"),
    174     cl::cat(TypeCategory), cl::ZeroOrMore, cl::sub(PrettySubcommand));
    175 
    176 cl::opt<bool> Compilands("compilands", cl::desc("Display compilands"),
    177                          cl::cat(TypeCategory), cl::sub(PrettySubcommand));
    178 cl::opt<bool> Symbols("module-syms",
    179                       cl::desc("Display symbols for each compiland"),
    180                       cl::cat(TypeCategory), cl::sub(PrettySubcommand));
    181 cl::opt<bool> Globals("globals", cl::desc("Dump global symbols"),
    182                       cl::cat(TypeCategory), cl::sub(PrettySubcommand));
    183 cl::opt<bool> Externals("externals", cl::desc("Dump external symbols"),
    184                         cl::cat(TypeCategory), cl::sub(PrettySubcommand));
    185 cl::list<SymLevel> SymTypes(
    186     "sym-types", cl::desc("Type of symbols to dump (default all)"),
    187     cl::cat(TypeCategory), cl::sub(PrettySubcommand), cl::ZeroOrMore,
    188     cl::values(
    189         clEnumValN(SymLevel::Thunks, "thunks", "Display thunk symbols"),
    190         clEnumValN(SymLevel::Data, "data", "Display data symbols"),
    191         clEnumValN(SymLevel::Functions, "funcs", "Display function symbols"),
    192         clEnumValN(SymLevel::All, "all", "Display all symbols (default)")));
    193 
    194 cl::opt<bool>
    195     Types("types",
    196           cl::desc("Display all types (implies -classes, -enums, -typedefs)"),
    197           cl::cat(TypeCategory), cl::sub(PrettySubcommand));
    198 cl::opt<bool> Classes("classes", cl::desc("Display class types"),
    199                       cl::cat(TypeCategory), cl::sub(PrettySubcommand));
    200 cl::opt<bool> Enums("enums", cl::desc("Display enum types"),
    201                     cl::cat(TypeCategory), cl::sub(PrettySubcommand));
    202 cl::opt<bool> Typedefs("typedefs", cl::desc("Display typedef types"),
    203                        cl::cat(TypeCategory), cl::sub(PrettySubcommand));
    204 cl::opt<SymbolSortMode> SymbolOrder(
    205     "symbol-order", cl::desc("symbol sort order"),
    206     cl::init(SymbolSortMode::None),
    207     cl::values(clEnumValN(SymbolSortMode::None, "none",
    208                           "Undefined / no particular sort order"),
    209                clEnumValN(SymbolSortMode::Name, "name", "Sort symbols by name"),
    210                clEnumValN(SymbolSortMode::Size, "size",
    211                           "Sort symbols by size")),
    212     cl::cat(TypeCategory), cl::sub(PrettySubcommand));
    213 
    214 cl::opt<ClassSortMode> ClassOrder(
    215     "class-order", cl::desc("Class sort order"), cl::init(ClassSortMode::None),
    216     cl::values(
    217         clEnumValN(ClassSortMode::None, "none",
    218                    "Undefined / no particular sort order"),
    219         clEnumValN(ClassSortMode::Name, "name", "Sort classes by name"),
    220         clEnumValN(ClassSortMode::Size, "size", "Sort classes by size"),
    221         clEnumValN(ClassSortMode::Padding, "padding",
    222                    "Sort classes by amount of padding"),
    223         clEnumValN(ClassSortMode::PaddingPct, "padding-pct",
    224                    "Sort classes by percentage of space consumed by padding"),
    225         clEnumValN(ClassSortMode::PaddingImmediate, "padding-imm",
    226                    "Sort classes by amount of immediate padding"),
    227         clEnumValN(ClassSortMode::PaddingPctImmediate, "padding-pct-imm",
    228                    "Sort classes by percentage of space consumed by immediate "
    229                    "padding")),
    230     cl::cat(TypeCategory), cl::sub(PrettySubcommand));
    231 
    232 cl::opt<ClassDefinitionFormat> ClassFormat(
    233     "class-definitions", cl::desc("Class definition format"),
    234     cl::init(ClassDefinitionFormat::All),
    235     cl::values(
    236         clEnumValN(ClassDefinitionFormat::All, "all",
    237                    "Display all class members including data, constants, "
    238                    "typedefs, functions, etc"),
    239         clEnumValN(ClassDefinitionFormat::Layout, "layout",
    240                    "Only display members that contribute to class size."),
    241         clEnumValN(ClassDefinitionFormat::None, "none",
    242                    "Don't display class definitions")),
    243     cl::cat(TypeCategory), cl::sub(PrettySubcommand));
    244 cl::opt<uint32_t> ClassRecursionDepth(
    245     "class-recurse-depth", cl::desc("Class recursion depth (0=no limit)"),
    246     cl::init(0), cl::cat(TypeCategory), cl::sub(PrettySubcommand));
    247 
    248 cl::opt<bool> Lines("lines", cl::desc("Line tables"), cl::cat(TypeCategory),
    249                     cl::sub(PrettySubcommand));
    250 cl::opt<bool>
    251     All("all", cl::desc("Implies all other options in 'Symbol Types' category"),
    252         cl::cat(TypeCategory), cl::sub(PrettySubcommand));
    253 
    254 cl::opt<uint64_t> LoadAddress(
    255     "load-address",
    256     cl::desc("Assume the module is loaded at the specified address"),
    257     cl::cat(OtherOptions), cl::sub(PrettySubcommand));
    258 cl::opt<bool> Native("native", cl::desc("Use native PDB reader instead of DIA"),
    259                      cl::cat(OtherOptions), cl::sub(PrettySubcommand));
    260 cl::opt<cl::boolOrDefault>
    261     ColorOutput("color-output",
    262                 cl::desc("Override use of color (default = isatty)"),
    263                 cl::cat(OtherOptions), cl::sub(PrettySubcommand));
    264 cl::list<std::string> ExcludeTypes(
    265     "exclude-types", cl::desc("Exclude types by regular expression"),
    266     cl::ZeroOrMore, cl::cat(FilterCategory), cl::sub(PrettySubcommand));
    267 cl::list<std::string> ExcludeSymbols(
    268     "exclude-symbols", cl::desc("Exclude symbols by regular expression"),
    269     cl::ZeroOrMore, cl::cat(FilterCategory), cl::sub(PrettySubcommand));
    270 cl::list<std::string> ExcludeCompilands(
    271     "exclude-compilands", cl::desc("Exclude compilands by regular expression"),
    272     cl::ZeroOrMore, cl::cat(FilterCategory), cl::sub(PrettySubcommand));
    273 
    274 cl::list<std::string> IncludeTypes(
    275     "include-types",
    276     cl::desc("Include only types which match a regular expression"),
    277     cl::ZeroOrMore, cl::cat(FilterCategory), cl::sub(PrettySubcommand));
    278 cl::list<std::string> IncludeSymbols(
    279     "include-symbols",
    280     cl::desc("Include only symbols which match a regular expression"),
    281     cl::ZeroOrMore, cl::cat(FilterCategory), cl::sub(PrettySubcommand));
    282 cl::list<std::string> IncludeCompilands(
    283     "include-compilands",
    284     cl::desc("Include only compilands those which match a regular expression"),
    285     cl::ZeroOrMore, cl::cat(FilterCategory), cl::sub(PrettySubcommand));
    286 cl::opt<uint32_t> SizeThreshold(
    287     "min-type-size", cl::desc("Displays only those types which are greater "
    288                               "than or equal to the specified size."),
    289     cl::init(0), cl::cat(FilterCategory), cl::sub(PrettySubcommand));
    290 cl::opt<uint32_t> PaddingThreshold(
    291     "min-class-padding", cl::desc("Displays only those classes which have at "
    292                                   "least the specified amount of padding."),
    293     cl::init(0), cl::cat(FilterCategory), cl::sub(PrettySubcommand));
    294 cl::opt<uint32_t> ImmediatePaddingThreshold(
    295     "min-class-padding-imm",
    296     cl::desc("Displays only those classes which have at least the specified "
    297              "amount of immediate padding, ignoring padding internal to bases "
    298              "and aggregates."),
    299     cl::init(0), cl::cat(FilterCategory), cl::sub(PrettySubcommand));
    300 
    301 cl::opt<bool> ExcludeCompilerGenerated(
    302     "no-compiler-generated",
    303     cl::desc("Don't show compiler generated types and symbols"),
    304     cl::cat(FilterCategory), cl::sub(PrettySubcommand));
    305 cl::opt<bool>
    306     ExcludeSystemLibraries("no-system-libs",
    307                            cl::desc("Don't show symbols from system libraries"),
    308                            cl::cat(FilterCategory), cl::sub(PrettySubcommand));
    309 
    310 cl::opt<bool> NoEnumDefs("no-enum-definitions",
    311                          cl::desc("Don't display full enum definitions"),
    312                          cl::cat(FilterCategory), cl::sub(PrettySubcommand));
    313 }
    314 
    315 cl::OptionCategory FileOptions("Module & File Options");
    316 
    317 namespace bytes {
    318 cl::OptionCategory MsfBytes("MSF File Options");
    319 cl::OptionCategory DbiBytes("Dbi Stream Options");
    320 cl::OptionCategory PdbBytes("PDB Stream Options");
    321 cl::OptionCategory Types("Type Options");
    322 cl::OptionCategory ModuleCategory("Module Options");
    323 
    324 llvm::Optional<NumberRange> DumpBlockRange;
    325 llvm::Optional<NumberRange> DumpByteRange;
    326 
    327 cl::opt<std::string> DumpBlockRangeOpt(
    328     "block-range", cl::value_desc("start[-end]"),
    329     cl::desc("Dump binary data from specified range of blocks."),
    330     cl::sub(BytesSubcommand), cl::cat(MsfBytes));
    331 
    332 cl::opt<std::string>
    333     DumpByteRangeOpt("byte-range", cl::value_desc("start[-end]"),
    334                      cl::desc("Dump binary data from specified range of bytes"),
    335                      cl::sub(BytesSubcommand), cl::cat(MsfBytes));
    336 
    337 cl::list<std::string>
    338     DumpStreamData("stream-data", cl::CommaSeparated, cl::ZeroOrMore,
    339                    cl::desc("Dump binary data from specified streams.  Format "
    340                             "is SN[:Start][@Size]"),
    341                    cl::sub(BytesSubcommand), cl::cat(MsfBytes));
    342 
    343 cl::opt<bool> NameMap("name-map", cl::desc("Dump bytes of PDB Name Map"),
    344                       cl::sub(BytesSubcommand), cl::cat(PdbBytes));
    345 cl::opt<bool> Fpm("fpm", cl::desc("Dump free page map"),
    346                   cl::sub(BytesSubcommand), cl::cat(MsfBytes));
    347 
    348 cl::opt<bool> SectionContributions("sc", cl::desc("Dump section contributions"),
    349                                    cl::sub(BytesSubcommand), cl::cat(DbiBytes));
    350 cl::opt<bool> SectionMap("sm", cl::desc("Dump section map"),
    351                          cl::sub(BytesSubcommand), cl::cat(DbiBytes));
    352 cl::opt<bool> ModuleInfos("modi", cl::desc("Dump module info"),
    353                           cl::sub(BytesSubcommand), cl::cat(DbiBytes));
    354 cl::opt<bool> FileInfo("files", cl::desc("Dump source file info"),
    355                        cl::sub(BytesSubcommand), cl::cat(DbiBytes));
    356 cl::opt<bool> TypeServerMap("type-server", cl::desc("Dump type server map"),
    357                             cl::sub(BytesSubcommand), cl::cat(DbiBytes));
    358 cl::opt<bool> ECData("ec", cl::desc("Dump edit and continue map"),
    359                      cl::sub(BytesSubcommand), cl::cat(DbiBytes));
    360 
    361 cl::list<uint32_t>
    362     TypeIndex("type",
    363               cl::desc("Dump the type record with the given type index"),
    364               cl::ZeroOrMore, cl::CommaSeparated, cl::sub(BytesSubcommand),
    365               cl::cat(TypeCategory));
    366 cl::list<uint32_t>
    367     IdIndex("id", cl::desc("Dump the id record with the given type index"),
    368             cl::ZeroOrMore, cl::CommaSeparated, cl::sub(BytesSubcommand),
    369             cl::cat(TypeCategory));
    370 
    371 cl::opt<uint32_t> ModuleIndex(
    372     "mod",
    373     cl::desc(
    374         "Limit options in the Modules category to the specified module index"),
    375     cl::Optional, cl::sub(BytesSubcommand), cl::cat(ModuleCategory));
    376 cl::opt<bool> ModuleSyms("syms", cl::desc("Dump symbol record substream"),
    377                          cl::sub(BytesSubcommand), cl::cat(ModuleCategory));
    378 cl::opt<bool> ModuleC11("c11-chunks", cl::Hidden,
    379                         cl::desc("Dump C11 CodeView debug chunks"),
    380                         cl::sub(BytesSubcommand), cl::cat(ModuleCategory));
    381 cl::opt<bool> ModuleC13("chunks",
    382                         cl::desc("Dump C13 CodeView debug chunk subsection"),
    383                         cl::sub(BytesSubcommand), cl::cat(ModuleCategory));
    384 cl::opt<bool> SplitChunks(
    385     "split-chunks",
    386     cl::desc(
    387         "When dumping debug chunks, show a different section for each chunk"),
    388     cl::sub(BytesSubcommand), cl::cat(ModuleCategory));
    389 cl::list<std::string> InputFilenames(cl::Positional,
    390                                      cl::desc("<input PDB files>"),
    391                                      cl::OneOrMore, cl::sub(BytesSubcommand));
    392 
    393 } // namespace bytes
    394 
    395 namespace dump {
    396 
    397 cl::OptionCategory MsfOptions("MSF Container Options");
    398 cl::OptionCategory TypeOptions("Type Record Options");
    399 cl::OptionCategory SymbolOptions("Symbol Options");
    400 cl::OptionCategory MiscOptions("Miscellaneous Options");
    401 
    402 // MSF OPTIONS
    403 cl::opt<bool> DumpSummary("summary", cl::desc("dump file summary"),
    404                           cl::cat(MsfOptions), cl::sub(DumpSubcommand));
    405 cl::opt<bool> DumpStreams("streams",
    406                           cl::desc("dump summary of the PDB streams"),
    407                           cl::cat(MsfOptions), cl::sub(DumpSubcommand));
    408 cl::opt<bool> DumpStreamBlocks(
    409     "stream-blocks",
    410     cl::desc("Add block information to the output of -streams"),
    411     cl::cat(MsfOptions), cl::sub(DumpSubcommand));
    412 cl::opt<bool> DumpSymbolStats(
    413     "sym-stats",
    414     cl::desc("Dump a detailed breakdown of symbol usage/size for each module"),
    415     cl::cat(MsfOptions), cl::sub(DumpSubcommand));
    416 
    417 cl::opt<bool> DumpUdtStats(
    418     "udt-stats",
    419     cl::desc("Dump a detailed breakdown of S_UDT record usage / stats"),
    420     cl::cat(MsfOptions), cl::sub(DumpSubcommand));
    421 
    422 // TYPE OPTIONS
    423 cl::opt<bool> DumpTypes("types",
    424                         cl::desc("dump CodeView type records from TPI stream"),
    425                         cl::cat(TypeOptions), cl::sub(DumpSubcommand));
    426 cl::opt<bool> DumpTypeData(
    427     "type-data",
    428     cl::desc("dump CodeView type record raw bytes from TPI stream"),
    429     cl::cat(TypeOptions), cl::sub(DumpSubcommand));
    430 
    431 cl::opt<bool> DumpTypeExtras("type-extras",
    432                              cl::desc("dump type hashes and index offsets"),
    433                              cl::cat(TypeOptions), cl::sub(DumpSubcommand));
    434 
    435 cl::list<uint32_t> DumpTypeIndex(
    436     "type-index", cl::ZeroOrMore, cl::CommaSeparated,
    437     cl::desc("only dump types with the specified hexadecimal type index"),
    438     cl::cat(TypeOptions), cl::sub(DumpSubcommand));
    439 
    440 cl::opt<bool> DumpIds("ids",
    441                       cl::desc("dump CodeView type records from IPI stream"),
    442                       cl::cat(TypeOptions), cl::sub(DumpSubcommand));
    443 cl::opt<bool>
    444     DumpIdData("id-data",
    445                cl::desc("dump CodeView type record raw bytes from IPI stream"),
    446                cl::cat(TypeOptions), cl::sub(DumpSubcommand));
    447 
    448 cl::opt<bool> DumpIdExtras("id-extras",
    449                            cl::desc("dump id hashes and index offsets"),
    450                            cl::cat(TypeOptions), cl::sub(DumpSubcommand));
    451 cl::list<uint32_t> DumpIdIndex(
    452     "id-index", cl::ZeroOrMore, cl::CommaSeparated,
    453     cl::desc("only dump ids with the specified hexadecimal type index"),
    454     cl::cat(TypeOptions), cl::sub(DumpSubcommand));
    455 
    456 cl::opt<bool> DumpTypeDependents(
    457     "dependents",
    458     cl::desc("In conjunection with -type-index and -id-index, dumps the entire "
    459              "dependency graph for the specified index instead of "
    460              "just the single record with the specified index"),
    461     cl::cat(TypeOptions), cl::sub(DumpSubcommand));
    462 
    463 // SYMBOL OPTIONS
    464 cl::opt<bool> DumpGlobals("globals", cl::desc("dump Globals symbol records"),
    465                           cl::cat(SymbolOptions), cl::sub(DumpSubcommand));
    466 cl::opt<bool> DumpGlobalExtras("global-extras", cl::desc("dump Globals hashes"),
    467                                cl::cat(SymbolOptions), cl::sub(DumpSubcommand));
    468 cl::opt<bool> DumpPublics("publics", cl::desc("dump Publics stream data"),
    469                           cl::cat(SymbolOptions), cl::sub(DumpSubcommand));
    470 cl::opt<bool> DumpPublicExtras("public-extras",
    471                                cl::desc("dump Publics hashes and address maps"),
    472                                cl::cat(SymbolOptions), cl::sub(DumpSubcommand));
    473 cl::opt<bool>
    474     DumpGSIRecords("gsi-records",
    475                    cl::desc("dump public / global common record stream"),
    476                    cl::cat(SymbolOptions), cl::sub(DumpSubcommand));
    477 cl::opt<bool> DumpSymbols("symbols", cl::desc("dump module symbols"),
    478                           cl::cat(SymbolOptions), cl::sub(DumpSubcommand));
    479 
    480 cl::opt<bool>
    481     DumpSymRecordBytes("sym-data",
    482                        cl::desc("dump CodeView symbol record raw bytes"),
    483                        cl::cat(SymbolOptions), cl::sub(DumpSubcommand));
    484 
    485 // MODULE & FILE OPTIONS
    486 cl::opt<bool> DumpModules("modules", cl::desc("dump compiland information"),
    487                           cl::cat(FileOptions), cl::sub(DumpSubcommand));
    488 cl::opt<bool> DumpModuleFiles(
    489     "files",
    490     cl::desc("Dump the source files that contribute to each module's."),
    491     cl::cat(FileOptions), cl::sub(DumpSubcommand));
    492 cl::opt<bool> DumpLines(
    493     "l",
    494     cl::desc("dump source file/line information (DEBUG_S_LINES subsection)"),
    495     cl::cat(FileOptions), cl::sub(DumpSubcommand));
    496 cl::opt<bool> DumpInlineeLines(
    497     "il",
    498     cl::desc("dump inlinee line information (DEBUG_S_INLINEELINES subsection)"),
    499     cl::cat(FileOptions), cl::sub(DumpSubcommand));
    500 cl::opt<bool> DumpXmi(
    501     "xmi",
    502     cl::desc(
    503         "dump cross module imports (DEBUG_S_CROSSSCOPEIMPORTS subsection)"),
    504     cl::cat(FileOptions), cl::sub(DumpSubcommand));
    505 cl::opt<bool> DumpXme(
    506     "xme",
    507     cl::desc(
    508         "dump cross module exports (DEBUG_S_CROSSSCOPEEXPORTS subsection)"),
    509     cl::cat(FileOptions), cl::sub(DumpSubcommand));
    510 cl::opt<uint32_t> DumpModi("modi", cl::Optional,
    511                            cl::desc("For all options that iterate over "
    512                                     "modules, limit to the specified module"),
    513                            cl::cat(FileOptions), cl::sub(DumpSubcommand));
    514 cl::opt<bool> JustMyCode("jmc", cl::Optional,
    515                          cl::desc("For all options that iterate over modules, "
    516                                   "ignore modules from system libraries"),
    517                          cl::cat(FileOptions), cl::sub(DumpSubcommand));
    518 
    519 // MISCELLANEOUS OPTIONS
    520 cl::opt<bool> DumpNamedStreams("named-streams",
    521                                cl::desc("dump PDB named stream table"),
    522                                cl::cat(MiscOptions), cl::sub(DumpSubcommand));
    523 
    524 cl::opt<bool> DumpStringTable("string-table", cl::desc("dump PDB String Table"),
    525                               cl::cat(MiscOptions), cl::sub(DumpSubcommand));
    526 cl::opt<bool> DumpStringTableDetails("string-table-details",
    527                                      cl::desc("dump PDB String Table Details"),
    528                                      cl::cat(MiscOptions),
    529                                      cl::sub(DumpSubcommand));
    530 
    531 cl::opt<bool> DumpSectionContribs("section-contribs",
    532                                   cl::desc("dump section contributions"),
    533                                   cl::cat(MiscOptions),
    534                                   cl::sub(DumpSubcommand));
    535 cl::opt<bool> DumpSectionMap("section-map", cl::desc("dump section map"),
    536                              cl::cat(MiscOptions), cl::sub(DumpSubcommand));
    537 cl::opt<bool> DumpSectionHeaders("section-headers",
    538                                  cl::desc("Dump image section headers"),
    539                                  cl::cat(MiscOptions), cl::sub(DumpSubcommand));
    540 
    541 cl::opt<bool> RawAll("all", cl::desc("Implies most other options."),
    542                      cl::cat(MiscOptions), cl::sub(DumpSubcommand));
    543 
    544 cl::list<std::string> InputFilenames(cl::Positional,
    545                                      cl::desc("<input PDB files>"),
    546                                      cl::OneOrMore, cl::sub(DumpSubcommand));
    547 }
    548 
    549 namespace yaml2pdb {
    550 cl::opt<std::string>
    551     YamlPdbOutputFile("pdb", cl::desc("the name of the PDB file to write"),
    552                       cl::sub(YamlToPdbSubcommand));
    553 
    554 cl::opt<std::string> InputFilename(cl::Positional,
    555                                    cl::desc("<input YAML file>"), cl::Required,
    556                                    cl::sub(YamlToPdbSubcommand));
    557 }
    558 
    559 namespace pdb2yaml {
    560 cl::opt<bool> All("all",
    561                   cl::desc("Dump everything we know how to dump."),
    562                   cl::sub(PdbToYamlSubcommand), cl::init(false));
    563 cl::opt<bool> NoFileHeaders("no-file-headers",
    564                             cl::desc("Do not dump MSF file headers"),
    565                             cl::sub(PdbToYamlSubcommand), cl::init(false));
    566 cl::opt<bool> Minimal("minimal",
    567                       cl::desc("Don't write fields with default values"),
    568                       cl::sub(PdbToYamlSubcommand), cl::init(false));
    569 
    570 cl::opt<bool> StreamMetadata(
    571     "stream-metadata",
    572     cl::desc("Dump the number of streams and each stream's size"),
    573     cl::sub(PdbToYamlSubcommand), cl::init(false));
    574 cl::opt<bool> StreamDirectory(
    575     "stream-directory",
    576     cl::desc("Dump each stream's block map (implies -stream-metadata)"),
    577     cl::sub(PdbToYamlSubcommand), cl::init(false));
    578 cl::opt<bool> PdbStream("pdb-stream",
    579                         cl::desc("Dump the PDB Stream (Stream 1)"),
    580                         cl::sub(PdbToYamlSubcommand), cl::init(false));
    581 
    582 cl::opt<bool> StringTable("string-table", cl::desc("Dump the PDB String Table"),
    583                           cl::sub(PdbToYamlSubcommand), cl::init(false));
    584 
    585 cl::opt<bool> DbiStream("dbi-stream",
    586                         cl::desc("Dump the DBI Stream Headers (Stream 2)"),
    587                         cl::sub(PdbToYamlSubcommand), cl::init(false));
    588 
    589 cl::opt<bool> TpiStream("tpi-stream",
    590                         cl::desc("Dump the TPI Stream (Stream 3)"),
    591                         cl::sub(PdbToYamlSubcommand), cl::init(false));
    592 
    593 cl::opt<bool> IpiStream("ipi-stream",
    594                         cl::desc("Dump the IPI Stream (Stream 5)"),
    595                         cl::sub(PdbToYamlSubcommand), cl::init(false));
    596 
    597 // MODULE & FILE OPTIONS
    598 cl::opt<bool> DumpModules("modules", cl::desc("dump compiland information"),
    599                           cl::cat(FileOptions), cl::sub(PdbToYamlSubcommand));
    600 cl::opt<bool> DumpModuleFiles("module-files", cl::desc("dump file information"),
    601                               cl::cat(FileOptions),
    602                               cl::sub(PdbToYamlSubcommand));
    603 cl::list<ModuleSubsection> DumpModuleSubsections(
    604     "subsections", cl::ZeroOrMore, cl::CommaSeparated,
    605     cl::desc("dump subsections from each module's debug stream"), ChunkValues,
    606     cl::cat(FileOptions), cl::sub(PdbToYamlSubcommand));
    607 cl::opt<bool> DumpModuleSyms("module-syms", cl::desc("dump module symbols"),
    608                              cl::cat(FileOptions),
    609                              cl::sub(PdbToYamlSubcommand));
    610 
    611 cl::list<std::string> InputFilename(cl::Positional,
    612                                     cl::desc("<input PDB file>"), cl::Required,
    613                                     cl::sub(PdbToYamlSubcommand));
    614 } // namespace pdb2yaml
    615 
    616 namespace analyze {
    617 cl::opt<bool> StringTable("hash-collisions", cl::desc("Find hash collisions"),
    618                           cl::sub(AnalyzeSubcommand), cl::init(false));
    619 cl::list<std::string> InputFilename(cl::Positional,
    620                                     cl::desc("<input PDB file>"), cl::Required,
    621                                     cl::sub(AnalyzeSubcommand));
    622 }
    623 
    624 namespace merge {
    625 cl::list<std::string> InputFilenames(cl::Positional,
    626                                      cl::desc("<input PDB files>"),
    627                                      cl::OneOrMore, cl::sub(MergeSubcommand));
    628 cl::opt<std::string>
    629     PdbOutputFile("pdb", cl::desc("the name of the PDB file to write"),
    630                   cl::sub(MergeSubcommand));
    631 }
    632 
    633 namespace explain {
    634 cl::list<std::string> InputFilename(cl::Positional,
    635                                     cl::desc("<input PDB file>"), cl::Required,
    636                                     cl::sub(ExplainSubcommand));
    637 
    638 cl::list<uint64_t> Offsets("offset", cl::desc("The file offset to explain"),
    639                            cl::sub(ExplainSubcommand), cl::OneOrMore);
    640 
    641 cl::opt<InputFileType> InputType(
    642     "input-type", cl::desc("Specify how to interpret the input file"),
    643     cl::init(InputFileType::PDBFile), cl::Optional, cl::sub(ExplainSubcommand),
    644     cl::values(clEnumValN(InputFileType::PDBFile, "pdb-file",
    645                           "Treat input as a PDB file (default)"),
    646                clEnumValN(InputFileType::PDBStream, "pdb-stream",
    647                           "Treat input as raw contents of PDB stream"),
    648                clEnumValN(InputFileType::DBIStream, "dbi-stream",
    649                           "Treat input as raw contents of DBI stream"),
    650                clEnumValN(InputFileType::Names, "names-stream",
    651                           "Treat input as raw contents of /names named stream"),
    652                clEnumValN(InputFileType::ModuleStream, "mod-stream",
    653                           "Treat input as raw contents of a module stream")));
    654 } // namespace explain
    655 
    656 namespace exportstream {
    657 cl::list<std::string> InputFilename(cl::Positional,
    658                                     cl::desc("<input PDB file>"), cl::Required,
    659                                     cl::sub(ExportSubcommand));
    660 cl::opt<std::string> OutputFile("out",
    661                                 cl::desc("The file to write the stream to"),
    662                                 cl::Required, cl::sub(ExportSubcommand));
    663 cl::opt<std::string>
    664     Stream("stream", cl::Required,
    665            cl::desc("The index or name of the stream whose contents to export"),
    666            cl::sub(ExportSubcommand));
    667 cl::opt<bool> ForceName("name",
    668                         cl::desc("Force the interpretation of -stream as a "
    669                                  "string, even if it is a valid integer"),
    670                         cl::sub(ExportSubcommand), cl::Optional,
    671                         cl::init(false));
    672 } // namespace exportstream
    673 }
    674 
    675 static ExitOnError ExitOnErr;
    676 
    677 static void yamlToPdb(StringRef Path) {
    678   BumpPtrAllocator Allocator;
    679   ErrorOr<std::unique_ptr<MemoryBuffer>> ErrorOrBuffer =
    680       MemoryBuffer::getFileOrSTDIN(Path, /*FileSize=*/-1,
    681                                    /*RequiresNullTerminator=*/false);
    682 
    683   if (ErrorOrBuffer.getError()) {
    684     ExitOnErr(make_error<GenericError>(generic_error_code::invalid_path, Path));
    685   }
    686 
    687   std::unique_ptr<MemoryBuffer> &Buffer = ErrorOrBuffer.get();
    688 
    689   llvm::yaml::Input In(Buffer->getBuffer());
    690   pdb::yaml::PdbObject YamlObj(Allocator);
    691   In >> YamlObj;
    692 
    693   PDBFileBuilder Builder(Allocator);
    694 
    695   uint32_t BlockSize = 4096;
    696   if (YamlObj.Headers.hasValue())
    697     BlockSize = YamlObj.Headers->SuperBlock.BlockSize;
    698   ExitOnErr(Builder.initialize(BlockSize));
    699   // Add each of the reserved streams.  We ignore stream metadata in the
    700   // yaml, because we will reconstruct our own view of the streams.  For
    701   // example, the YAML may say that there were 20 streams in the original
    702   // PDB, but maybe we only dump a subset of those 20 streams, so we will
    703   // have fewer, and the ones we do have may end up with different indices
    704   // than the ones in the original PDB.  So we just start with a clean slate.
    705   for (uint32_t I = 0; I < kSpecialStreamCount; ++I)
    706     ExitOnErr(Builder.getMsfBuilder().addStream(0));
    707 
    708   StringsAndChecksums Strings;
    709   Strings.setStrings(std::make_shared<DebugStringTableSubsection>());
    710 
    711   if (YamlObj.StringTable.hasValue()) {
    712     for (auto S : *YamlObj.StringTable)
    713       Strings.strings()->insert(S);
    714   }
    715 
    716   pdb::yaml::PdbInfoStream DefaultInfoStream;
    717   pdb::yaml::PdbDbiStream DefaultDbiStream;
    718   pdb::yaml::PdbTpiStream DefaultTpiStream;
    719   pdb::yaml::PdbTpiStream DefaultIpiStream;
    720 
    721   const auto &Info = YamlObj.PdbStream.getValueOr(DefaultInfoStream);
    722 
    723   auto &InfoBuilder = Builder.getInfoBuilder();
    724   InfoBuilder.setAge(Info.Age);
    725   InfoBuilder.setGuid(Info.Guid);
    726   InfoBuilder.setSignature(Info.Signature);
    727   InfoBuilder.setVersion(Info.Version);
    728   for (auto F : Info.Features)
    729     InfoBuilder.addFeature(F);
    730 
    731   const auto &Dbi = YamlObj.DbiStream.getValueOr(DefaultDbiStream);
    732   auto &DbiBuilder = Builder.getDbiBuilder();
    733   DbiBuilder.setAge(Dbi.Age);
    734   DbiBuilder.setBuildNumber(Dbi.BuildNumber);
    735   DbiBuilder.setFlags(Dbi.Flags);
    736   DbiBuilder.setMachineType(Dbi.MachineType);
    737   DbiBuilder.setPdbDllRbld(Dbi.PdbDllRbld);
    738   DbiBuilder.setPdbDllVersion(Dbi.PdbDllVersion);
    739   DbiBuilder.setVersionHeader(Dbi.VerHeader);
    740   for (const auto &MI : Dbi.ModInfos) {
    741     auto &ModiBuilder = ExitOnErr(DbiBuilder.addModuleInfo(MI.Mod));
    742     ModiBuilder.setObjFileName(MI.Obj);
    743 
    744     for (auto S : MI.SourceFiles)
    745       ExitOnErr(DbiBuilder.addModuleSourceFile(ModiBuilder, S));
    746     if (MI.Modi.hasValue()) {
    747       const auto &ModiStream = *MI.Modi;
    748       for (auto Symbol : ModiStream.Symbols) {
    749         ModiBuilder.addSymbol(
    750             Symbol.toCodeViewSymbol(Allocator, CodeViewContainer::Pdb));
    751       }
    752     }
    753 
    754     // Each module has its own checksum subsection, so scan for it every time.
    755     Strings.setChecksums(nullptr);
    756     CodeViewYAML::initializeStringsAndChecksums(MI.Subsections, Strings);
    757 
    758     auto CodeViewSubsections = ExitOnErr(CodeViewYAML::toCodeViewSubsectionList(
    759         Allocator, MI.Subsections, Strings));
    760     for (auto &SS : CodeViewSubsections) {
    761       ModiBuilder.addDebugSubsection(SS);
    762     }
    763   }
    764 
    765   auto &TpiBuilder = Builder.getTpiBuilder();
    766   const auto &Tpi = YamlObj.TpiStream.getValueOr(DefaultTpiStream);
    767   TpiBuilder.setVersionHeader(Tpi.Version);
    768   AppendingTypeTableBuilder TS(Allocator);
    769   for (const auto &R : Tpi.Records) {
    770     CVType Type = R.toCodeViewRecord(TS);
    771     TpiBuilder.addTypeRecord(Type.RecordData, None);
    772   }
    773 
    774   const auto &Ipi = YamlObj.IpiStream.getValueOr(DefaultIpiStream);
    775   auto &IpiBuilder = Builder.getIpiBuilder();
    776   IpiBuilder.setVersionHeader(Ipi.Version);
    777   for (const auto &R : Ipi.Records) {
    778     CVType Type = R.toCodeViewRecord(TS);
    779     IpiBuilder.addTypeRecord(Type.RecordData, None);
    780   }
    781 
    782   Builder.getStringTableBuilder().setStrings(*Strings.strings());
    783 
    784   ExitOnErr(Builder.commit(opts::yaml2pdb::YamlPdbOutputFile));
    785 }
    786 
    787 static PDBFile &loadPDB(StringRef Path, std::unique_ptr<IPDBSession> &Session) {
    788   ExitOnErr(loadDataForPDB(PDB_ReaderType::Native, Path, Session));
    789 
    790   NativeSession *NS = static_cast<NativeSession *>(Session.get());
    791   return NS->getPDBFile();
    792 }
    793 
    794 static void pdb2Yaml(StringRef Path) {
    795   std::unique_ptr<IPDBSession> Session;
    796   auto &File = loadPDB(Path, Session);
    797 
    798   auto O = llvm::make_unique<YAMLOutputStyle>(File);
    799   O = llvm::make_unique<YAMLOutputStyle>(File);
    800 
    801   ExitOnErr(O->dump());
    802 }
    803 
    804 static void dumpRaw(StringRef Path) {
    805   InputFile IF = ExitOnErr(InputFile::open(Path));
    806 
    807   auto O = llvm::make_unique<DumpOutputStyle>(IF);
    808   ExitOnErr(O->dump());
    809 }
    810 
    811 static void dumpBytes(StringRef Path) {
    812   std::unique_ptr<IPDBSession> Session;
    813   auto &File = loadPDB(Path, Session);
    814 
    815   auto O = llvm::make_unique<BytesOutputStyle>(File);
    816 
    817   ExitOnErr(O->dump());
    818 }
    819 
    820 static void dumpAnalysis(StringRef Path) {
    821   std::unique_ptr<IPDBSession> Session;
    822   auto &File = loadPDB(Path, Session);
    823   auto O = llvm::make_unique<AnalysisStyle>(File);
    824 
    825   ExitOnErr(O->dump());
    826 }
    827 
    828 bool opts::pretty::shouldDumpSymLevel(SymLevel Search) {
    829   if (SymTypes.empty())
    830     return true;
    831   if (llvm::find(SymTypes, Search) != SymTypes.end())
    832     return true;
    833   if (llvm::find(SymTypes, SymLevel::All) != SymTypes.end())
    834     return true;
    835   return false;
    836 }
    837 
    838 uint32_t llvm::pdb::getTypeLength(const PDBSymbolData &Symbol) {
    839   auto SymbolType = Symbol.getType();
    840   const IPDBRawSymbol &RawType = SymbolType->getRawSymbol();
    841 
    842   return RawType.getLength();
    843 }
    844 
    845 bool opts::pretty::compareFunctionSymbols(
    846     const std::unique_ptr<PDBSymbolFunc> &F1,
    847     const std::unique_ptr<PDBSymbolFunc> &F2) {
    848   assert(opts::pretty::SymbolOrder != opts::pretty::SymbolSortMode::None);
    849 
    850   if (opts::pretty::SymbolOrder == opts::pretty::SymbolSortMode::Name)
    851     return F1->getName() < F2->getName();
    852 
    853   // Note that we intentionally sort in descending order on length, since
    854   // long functions are more interesting than short functions.
    855   return F1->getLength() > F2->getLength();
    856 }
    857 
    858 bool opts::pretty::compareDataSymbols(
    859     const std::unique_ptr<PDBSymbolData> &F1,
    860     const std::unique_ptr<PDBSymbolData> &F2) {
    861   assert(opts::pretty::SymbolOrder != opts::pretty::SymbolSortMode::None);
    862 
    863   if (opts::pretty::SymbolOrder == opts::pretty::SymbolSortMode::Name)
    864     return F1->getName() < F2->getName();
    865 
    866   // Note that we intentionally sort in descending order on length, since
    867   // large types are more interesting than short ones.
    868   return getTypeLength(*F1) > getTypeLength(*F2);
    869 }
    870 
    871 static std::string stringOr(std::string Str, std::string IfEmpty) {
    872   return (Str.empty()) ? IfEmpty : Str;
    873 }
    874 
    875 static void dumpInjectedSources(LinePrinter &Printer, IPDBSession &Session) {
    876   auto Sources = Session.getInjectedSources();
    877   if (0 == Sources->getChildCount()) {
    878     Printer.printLine("There are no injected sources.");
    879     return;
    880   }
    881 
    882   while (auto IS = Sources->getNext()) {
    883     Printer.NewLine();
    884     std::string File = stringOr(IS->getFileName(), "<null>");
    885     uint64_t Size = IS->getCodeByteSize();
    886     std::string Obj = stringOr(IS->getObjectFileName(), "<null>");
    887     std::string VFName = stringOr(IS->getVirtualFileName(), "<null>");
    888     uint32_t CRC = IS->getCrc32();
    889 
    890     std::string CompressionStr;
    891     llvm::raw_string_ostream Stream(CompressionStr);
    892     Stream << IS->getCompression();
    893     WithColor(Printer, PDB_ColorItem::Path).get() << File;
    894     Printer << " (";
    895     WithColor(Printer, PDB_ColorItem::LiteralValue).get() << Size;
    896     Printer << " bytes): ";
    897     WithColor(Printer, PDB_ColorItem::Keyword).get() << "obj";
    898     Printer << "=";
    899     WithColor(Printer, PDB_ColorItem::Path).get() << Obj;
    900     Printer << ", ";
    901     WithColor(Printer, PDB_ColorItem::Keyword).get() << "vname";
    902     Printer << "=";
    903     WithColor(Printer, PDB_ColorItem::Path).get() << VFName;
    904     Printer << ", ";
    905     WithColor(Printer, PDB_ColorItem::Keyword).get() << "crc";
    906     Printer << "=";
    907     WithColor(Printer, PDB_ColorItem::LiteralValue).get() << CRC;
    908     Printer << ", ";
    909     WithColor(Printer, PDB_ColorItem::Keyword).get() << "compression";
    910     Printer << "=";
    911     WithColor(Printer, PDB_ColorItem::LiteralValue).get() << Stream.str();
    912 
    913     if (!opts::pretty::ShowInjectedSourceContent)
    914       continue;
    915 
    916     // Set the indent level to 0 when printing file content.
    917     int Indent = Printer.getIndentLevel();
    918     Printer.Unindent(Indent);
    919 
    920     Printer.printLine(IS->getCode());
    921 
    922     // Re-indent back to the original level.
    923     Printer.Indent(Indent);
    924   }
    925 }
    926 
    927 static void dumpPretty(StringRef Path) {
    928   std::unique_ptr<IPDBSession> Session;
    929 
    930   const auto ReaderType =
    931       opts::pretty::Native ? PDB_ReaderType::Native : PDB_ReaderType::DIA;
    932   ExitOnErr(loadDataForPDB(ReaderType, Path, Session));
    933 
    934   if (opts::pretty::LoadAddress)
    935     Session->setLoadAddress(opts::pretty::LoadAddress);
    936 
    937   auto &Stream = outs();
    938   const bool UseColor = opts::pretty::ColorOutput == cl::BOU_UNSET
    939                             ? Stream.has_colors()
    940                             : opts::pretty::ColorOutput == cl::BOU_TRUE;
    941   LinePrinter Printer(2, UseColor, Stream);
    942 
    943   auto GlobalScope(Session->getGlobalScope());
    944   if (!GlobalScope)
    945     return;
    946   std::string FileName(GlobalScope->getSymbolsFileName());
    947 
    948   WithColor(Printer, PDB_ColorItem::None).get() << "Summary for ";
    949   WithColor(Printer, PDB_ColorItem::Path).get() << FileName;
    950   Printer.Indent();
    951   uint64_t FileSize = 0;
    952 
    953   Printer.NewLine();
    954   WithColor(Printer, PDB_ColorItem::Identifier).get() << "Size";
    955   if (!sys::fs::file_size(FileName, FileSize)) {
    956     Printer << ": " << FileSize << " bytes";
    957   } else {
    958     Printer << ": (Unable to obtain file size)";
    959   }
    960 
    961   Printer.NewLine();
    962   WithColor(Printer, PDB_ColorItem::Identifier).get() << "Guid";
    963   Printer << ": " << GlobalScope->getGuid();
    964 
    965   Printer.NewLine();
    966   WithColor(Printer, PDB_ColorItem::Identifier).get() << "Age";
    967   Printer << ": " << GlobalScope->getAge();
    968 
    969   Printer.NewLine();
    970   WithColor(Printer, PDB_ColorItem::Identifier).get() << "Attributes";
    971   Printer << ": ";
    972   if (GlobalScope->hasCTypes())
    973     outs() << "HasCTypes ";
    974   if (GlobalScope->hasPrivateSymbols())
    975     outs() << "HasPrivateSymbols ";
    976   Printer.Unindent();
    977 
    978   if (!opts::pretty::WithName.empty()) {
    979     Printer.NewLine();
    980     WithColor(Printer, PDB_ColorItem::SectionHeader).get()
    981         << "---SYMBOLS & TYPES BY NAME---";
    982 
    983     for (StringRef Name : opts::pretty::WithName) {
    984       auto Symbols = GlobalScope->findChildren(
    985           PDB_SymType::None, Name, PDB_NameSearchFlags::NS_CaseSensitive);
    986       if (!Symbols || Symbols->getChildCount() == 0) {
    987         Printer.formatLine("[not found] - {0}", Name);
    988         continue;
    989       }
    990       Printer.formatLine("[{0} occurrences] - {1}", Symbols->getChildCount(),
    991                          Name);
    992 
    993       AutoIndent Indent(Printer);
    994       Printer.NewLine();
    995 
    996       while (auto Symbol = Symbols->getNext()) {
    997         switch (Symbol->getSymTag()) {
    998         case PDB_SymType::Typedef: {
    999           TypedefDumper TD(Printer);
   1000           std::unique_ptr<PDBSymbolTypeTypedef> T =
   1001               llvm::unique_dyn_cast<PDBSymbolTypeTypedef>(std::move(Symbol));
   1002           TD.start(*T);
   1003           break;
   1004         }
   1005         case PDB_SymType::Enum: {
   1006           EnumDumper ED(Printer);
   1007           std::unique_ptr<PDBSymbolTypeEnum> E =
   1008               llvm::unique_dyn_cast<PDBSymbolTypeEnum>(std::move(Symbol));
   1009           ED.start(*E);
   1010           break;
   1011         }
   1012         case PDB_SymType::UDT: {
   1013           ClassDefinitionDumper CD(Printer);
   1014           std::unique_ptr<PDBSymbolTypeUDT> C =
   1015               llvm::unique_dyn_cast<PDBSymbolTypeUDT>(std::move(Symbol));
   1016           CD.start(*C);
   1017           break;
   1018         }
   1019         case PDB_SymType::BaseClass:
   1020         case PDB_SymType::Friend: {
   1021           TypeDumper TD(Printer);
   1022           Symbol->dump(TD);
   1023           break;
   1024         }
   1025         case PDB_SymType::Function: {
   1026           FunctionDumper FD(Printer);
   1027           std::unique_ptr<PDBSymbolFunc> F =
   1028               llvm::unique_dyn_cast<PDBSymbolFunc>(std::move(Symbol));
   1029           FD.start(*F, FunctionDumper::PointerType::None);
   1030           break;
   1031         }
   1032         case PDB_SymType::Data: {
   1033           VariableDumper VD(Printer);
   1034           std::unique_ptr<PDBSymbolData> D =
   1035               llvm::unique_dyn_cast<PDBSymbolData>(std::move(Symbol));
   1036           VD.start(*D);
   1037           break;
   1038         }
   1039         case PDB_SymType::PublicSymbol: {
   1040           ExternalSymbolDumper ED(Printer);
   1041           std::unique_ptr<PDBSymbolPublicSymbol> PS =
   1042               llvm::unique_dyn_cast<PDBSymbolPublicSymbol>(std::move(Symbol));
   1043           ED.dump(*PS);
   1044           break;
   1045         }
   1046         default:
   1047           llvm_unreachable("Unexpected symbol tag!");
   1048         }
   1049       }
   1050     }
   1051     llvm::outs().flush();
   1052   }
   1053 
   1054   if (opts::pretty::Compilands) {
   1055     Printer.NewLine();
   1056     WithColor(Printer, PDB_ColorItem::SectionHeader).get()
   1057         << "---COMPILANDS---";
   1058     if (auto Compilands = GlobalScope->findAllChildren<PDBSymbolCompiland>()) {
   1059       Printer.Indent();
   1060       CompilandDumper Dumper(Printer);
   1061       CompilandDumpFlags options = CompilandDumper::Flags::None;
   1062       if (opts::pretty::Lines)
   1063         options = options | CompilandDumper::Flags::Lines;
   1064       while (auto Compiland = Compilands->getNext())
   1065         Dumper.start(*Compiland, options);
   1066       Printer.Unindent();
   1067     }
   1068   }
   1069 
   1070   if (opts::pretty::Classes || opts::pretty::Enums || opts::pretty::Typedefs) {
   1071     Printer.NewLine();
   1072     WithColor(Printer, PDB_ColorItem::SectionHeader).get() << "---TYPES---";
   1073     Printer.Indent();
   1074     TypeDumper Dumper(Printer);
   1075     Dumper.start(*GlobalScope);
   1076     Printer.Unindent();
   1077   }
   1078 
   1079   if (opts::pretty::Symbols) {
   1080     Printer.NewLine();
   1081     WithColor(Printer, PDB_ColorItem::SectionHeader).get() << "---SYMBOLS---";
   1082     if (auto Compilands = GlobalScope->findAllChildren<PDBSymbolCompiland>()) {
   1083       Printer.Indent();
   1084       CompilandDumper Dumper(Printer);
   1085       while (auto Compiland = Compilands->getNext())
   1086         Dumper.start(*Compiland, true);
   1087       Printer.Unindent();
   1088     }
   1089   }
   1090 
   1091   if (opts::pretty::Globals) {
   1092     Printer.NewLine();
   1093     WithColor(Printer, PDB_ColorItem::SectionHeader).get() << "---GLOBALS---";
   1094     Printer.Indent();
   1095     if (shouldDumpSymLevel(opts::pretty::SymLevel::Functions)) {
   1096       if (auto Functions = GlobalScope->findAllChildren<PDBSymbolFunc>()) {
   1097         FunctionDumper Dumper(Printer);
   1098         if (opts::pretty::SymbolOrder == opts::pretty::SymbolSortMode::None) {
   1099           while (auto Function = Functions->getNext()) {
   1100             Printer.NewLine();
   1101             Dumper.start(*Function, FunctionDumper::PointerType::None);
   1102           }
   1103         } else {
   1104           std::vector<std::unique_ptr<PDBSymbolFunc>> Funcs;
   1105           while (auto Func = Functions->getNext())
   1106             Funcs.push_back(std::move(Func));
   1107           llvm::sort(Funcs.begin(), Funcs.end(),
   1108                      opts::pretty::compareFunctionSymbols);
   1109           for (const auto &Func : Funcs) {
   1110             Printer.NewLine();
   1111             Dumper.start(*Func, FunctionDumper::PointerType::None);
   1112           }
   1113         }
   1114       }
   1115     }
   1116     if (shouldDumpSymLevel(opts::pretty::SymLevel::Data)) {
   1117       if (auto Vars = GlobalScope->findAllChildren<PDBSymbolData>()) {
   1118         VariableDumper Dumper(Printer);
   1119         if (opts::pretty::SymbolOrder == opts::pretty::SymbolSortMode::None) {
   1120           while (auto Var = Vars->getNext())
   1121             Dumper.start(*Var);
   1122         } else {
   1123           std::vector<std::unique_ptr<PDBSymbolData>> Datas;
   1124           while (auto Var = Vars->getNext())
   1125             Datas.push_back(std::move(Var));
   1126           llvm::sort(Datas.begin(), Datas.end(),
   1127                      opts::pretty::compareDataSymbols);
   1128           for (const auto &Var : Datas)
   1129             Dumper.start(*Var);
   1130         }
   1131       }
   1132     }
   1133     if (shouldDumpSymLevel(opts::pretty::SymLevel::Thunks)) {
   1134       if (auto Thunks = GlobalScope->findAllChildren<PDBSymbolThunk>()) {
   1135         CompilandDumper Dumper(Printer);
   1136         while (auto Thunk = Thunks->getNext())
   1137           Dumper.dump(*Thunk);
   1138       }
   1139     }
   1140     Printer.Unindent();
   1141   }
   1142   if (opts::pretty::Externals) {
   1143     Printer.NewLine();
   1144     WithColor(Printer, PDB_ColorItem::SectionHeader).get() << "---EXTERNALS---";
   1145     Printer.Indent();
   1146     ExternalSymbolDumper Dumper(Printer);
   1147     Dumper.start(*GlobalScope);
   1148   }
   1149   if (opts::pretty::Lines) {
   1150     Printer.NewLine();
   1151   }
   1152   if (opts::pretty::InjectedSources) {
   1153     Printer.NewLine();
   1154     WithColor(Printer, PDB_ColorItem::SectionHeader).get()
   1155         << "---INJECTED SOURCES---";
   1156     AutoIndent Indent1(Printer);
   1157 
   1158     if (ReaderType == PDB_ReaderType::Native)
   1159       Printer.printLine(
   1160           "Injected sources are not supported with the native reader.");
   1161     else
   1162       dumpInjectedSources(Printer, *Session);
   1163   }
   1164 
   1165   outs().flush();
   1166 }
   1167 
   1168 static void mergePdbs() {
   1169   BumpPtrAllocator Allocator;
   1170   MergingTypeTableBuilder MergedTpi(Allocator);
   1171   MergingTypeTableBuilder MergedIpi(Allocator);
   1172 
   1173   // Create a Tpi and Ipi type table with all types from all input files.
   1174   for (const auto &Path : opts::merge::InputFilenames) {
   1175     std::unique_ptr<IPDBSession> Session;
   1176     auto &File = loadPDB(Path, Session);
   1177     SmallVector<TypeIndex, 128> TypeMap;
   1178     SmallVector<TypeIndex, 128> IdMap;
   1179     if (File.hasPDBTpiStream()) {
   1180       auto &Tpi = ExitOnErr(File.getPDBTpiStream());
   1181       ExitOnErr(
   1182           codeview::mergeTypeRecords(MergedTpi, TypeMap, Tpi.typeArray()));
   1183     }
   1184     if (File.hasPDBIpiStream()) {
   1185       auto &Ipi = ExitOnErr(File.getPDBIpiStream());
   1186       ExitOnErr(codeview::mergeIdRecords(MergedIpi, TypeMap, IdMap,
   1187                                          Ipi.typeArray()));
   1188     }
   1189   }
   1190 
   1191   // Then write the PDB.
   1192   PDBFileBuilder Builder(Allocator);
   1193   ExitOnErr(Builder.initialize(4096));
   1194   // Add each of the reserved streams.  We might not put any data in them,
   1195   // but at least they have to be present.
   1196   for (uint32_t I = 0; I < kSpecialStreamCount; ++I)
   1197     ExitOnErr(Builder.getMsfBuilder().addStream(0));
   1198 
   1199   auto &DestTpi = Builder.getTpiBuilder();
   1200   auto &DestIpi = Builder.getIpiBuilder();
   1201   MergedTpi.ForEachRecord([&DestTpi](TypeIndex TI, const CVType &Type) {
   1202     DestTpi.addTypeRecord(Type.RecordData, None);
   1203   });
   1204   MergedIpi.ForEachRecord([&DestIpi](TypeIndex TI, const CVType &Type) {
   1205     DestIpi.addTypeRecord(Type.RecordData, None);
   1206   });
   1207   Builder.getInfoBuilder().addFeature(PdbRaw_FeatureSig::VC140);
   1208 
   1209   SmallString<64> OutFile(opts::merge::PdbOutputFile);
   1210   if (OutFile.empty()) {
   1211     OutFile = opts::merge::InputFilenames[0];
   1212     llvm::sys::path::replace_extension(OutFile, "merged.pdb");
   1213   }
   1214   ExitOnErr(Builder.commit(OutFile));
   1215 }
   1216 
   1217 static void explain() {
   1218   std::unique_ptr<IPDBSession> Session;
   1219   InputFile IF =
   1220       ExitOnErr(InputFile::open(opts::explain::InputFilename.front(), true));
   1221 
   1222   for (uint64_t Off : opts::explain::Offsets) {
   1223     auto O = llvm::make_unique<ExplainOutputStyle>(IF, Off);
   1224 
   1225     ExitOnErr(O->dump());
   1226   }
   1227 }
   1228 
   1229 static void exportStream() {
   1230   std::unique_ptr<IPDBSession> Session;
   1231   PDBFile &File = loadPDB(opts::exportstream::InputFilename.front(), Session);
   1232 
   1233   std::unique_ptr<MappedBlockStream> SourceStream;
   1234   uint32_t Index = 0;
   1235   bool Success = false;
   1236   std::string OutFileName = opts::exportstream::OutputFile;
   1237 
   1238   if (!opts::exportstream::ForceName) {
   1239     // First try to parse it as an integer, if it fails fall back to treating it
   1240     // as a named stream.
   1241     if (to_integer(opts::exportstream::Stream, Index)) {
   1242       if (Index >= File.getNumStreams()) {
   1243         errs() << "Error: " << Index << " is not a valid stream index.\n";
   1244         exit(1);
   1245       }
   1246       Success = true;
   1247       outs() << "Dumping contents of stream index " << Index << " to file "
   1248              << OutFileName << ".\n";
   1249     }
   1250   }
   1251 
   1252   if (!Success) {
   1253     InfoStream &IS = cantFail(File.getPDBInfoStream());
   1254     Index = ExitOnErr(IS.getNamedStreamIndex(opts::exportstream::Stream));
   1255     outs() << "Dumping contents of stream '" << opts::exportstream::Stream
   1256            << "' (index " << Index << ") to file " << OutFileName << ".\n";
   1257   }
   1258 
   1259   SourceStream = MappedBlockStream::createIndexedStream(
   1260       File.getMsfLayout(), File.getMsfBuffer(), Index, File.getAllocator());
   1261   auto OutFile = ExitOnErr(
   1262       FileOutputBuffer::create(OutFileName, SourceStream->getLength()));
   1263   FileBufferByteStream DestStream(std::move(OutFile), llvm::support::little);
   1264   BinaryStreamWriter Writer(DestStream);
   1265   ExitOnErr(Writer.writeStreamRef(*SourceStream));
   1266   ExitOnErr(DestStream.commit());
   1267 }
   1268 
   1269 static bool parseRange(StringRef Str,
   1270                        Optional<opts::bytes::NumberRange> &Parsed) {
   1271   if (Str.empty())
   1272     return true;
   1273 
   1274   llvm::Regex R("^([^-]+)(-([^-]+))?$");
   1275   llvm::SmallVector<llvm::StringRef, 2> Matches;
   1276   if (!R.match(Str, &Matches))
   1277     return false;
   1278 
   1279   Parsed.emplace();
   1280   if (!to_integer(Matches[1], Parsed->Min))
   1281     return false;
   1282 
   1283   if (!Matches[3].empty()) {
   1284     Parsed->Max.emplace();
   1285     if (!to_integer(Matches[3], *Parsed->Max))
   1286       return false;
   1287   }
   1288   return true;
   1289 }
   1290 
   1291 static void simplifyChunkList(llvm::cl::list<opts::ModuleSubsection> &Chunks) {
   1292   // If this list contains "All" plus some other stuff, remove the other stuff
   1293   // and just keep "All" in the list.
   1294   if (!llvm::is_contained(Chunks, opts::ModuleSubsection::All))
   1295     return;
   1296   Chunks.reset();
   1297   Chunks.push_back(opts::ModuleSubsection::All);
   1298 }
   1299 
   1300 int main(int Argc, const char **Argv) {
   1301   InitLLVM X(Argc, Argv);
   1302   ExitOnErr.setBanner("llvm-pdbutil: ");
   1303 
   1304   cl::ParseCommandLineOptions(Argc, Argv, "LLVM PDB Dumper\n");
   1305 
   1306   if (opts::BytesSubcommand) {
   1307     if (!parseRange(opts::bytes::DumpBlockRangeOpt,
   1308                     opts::bytes::DumpBlockRange)) {
   1309       errs() << "Argument '" << opts::bytes::DumpBlockRangeOpt
   1310              << "' invalid format.\n";
   1311       errs().flush();
   1312       exit(1);
   1313     }
   1314     if (!parseRange(opts::bytes::DumpByteRangeOpt,
   1315                     opts::bytes::DumpByteRange)) {
   1316       errs() << "Argument '" << opts::bytes::DumpByteRangeOpt
   1317              << "' invalid format.\n";
   1318       errs().flush();
   1319       exit(1);
   1320     }
   1321   }
   1322 
   1323   if (opts::DumpSubcommand) {
   1324     if (opts::dump::RawAll) {
   1325       opts::dump::DumpGlobals = true;
   1326       opts::dump::DumpInlineeLines = true;
   1327       opts::dump::DumpIds = true;
   1328       opts::dump::DumpIdExtras = true;
   1329       opts::dump::DumpLines = true;
   1330       opts::dump::DumpModules = true;
   1331       opts::dump::DumpModuleFiles = true;
   1332       opts::dump::DumpPublics = true;
   1333       opts::dump::DumpSectionContribs = true;
   1334       opts::dump::DumpSectionHeaders = true;
   1335       opts::dump::DumpSectionMap = true;
   1336       opts::dump::DumpStreams = true;
   1337       opts::dump::DumpStreamBlocks = true;
   1338       opts::dump::DumpStringTable = true;
   1339       opts::dump::DumpStringTableDetails = true;
   1340       opts::dump::DumpSummary = true;
   1341       opts::dump::DumpSymbols = true;
   1342       opts::dump::DumpSymbolStats = true;
   1343       opts::dump::DumpTypes = true;
   1344       opts::dump::DumpTypeExtras = true;
   1345       opts::dump::DumpUdtStats = true;
   1346       opts::dump::DumpXme = true;
   1347       opts::dump::DumpXmi = true;
   1348     }
   1349   }
   1350   if (opts::PdbToYamlSubcommand) {
   1351     if (opts::pdb2yaml::All) {
   1352       opts::pdb2yaml::StreamMetadata = true;
   1353       opts::pdb2yaml::StreamDirectory = true;
   1354       opts::pdb2yaml::PdbStream = true;
   1355       opts::pdb2yaml::StringTable = true;
   1356       opts::pdb2yaml::DbiStream = true;
   1357       opts::pdb2yaml::TpiStream = true;
   1358       opts::pdb2yaml::IpiStream = true;
   1359       opts::pdb2yaml::DumpModules = true;
   1360       opts::pdb2yaml::DumpModuleFiles = true;
   1361       opts::pdb2yaml::DumpModuleSyms = true;
   1362       opts::pdb2yaml::DumpModuleSubsections.push_back(
   1363           opts::ModuleSubsection::All);
   1364     }
   1365     simplifyChunkList(opts::pdb2yaml::DumpModuleSubsections);
   1366 
   1367     if (opts::pdb2yaml::DumpModuleSyms || opts::pdb2yaml::DumpModuleFiles)
   1368       opts::pdb2yaml::DumpModules = true;
   1369 
   1370     if (opts::pdb2yaml::DumpModules)
   1371       opts::pdb2yaml::DbiStream = true;
   1372   }
   1373 
   1374   llvm::sys::InitializeCOMRAII COM(llvm::sys::COMThreadingMode::MultiThreaded);
   1375 
   1376   if (opts::PdbToYamlSubcommand) {
   1377     pdb2Yaml(opts::pdb2yaml::InputFilename.front());
   1378   } else if (opts::YamlToPdbSubcommand) {
   1379     if (opts::yaml2pdb::YamlPdbOutputFile.empty()) {
   1380       SmallString<16> OutputFilename(opts::yaml2pdb::InputFilename.getValue());
   1381       sys::path::replace_extension(OutputFilename, ".pdb");
   1382       opts::yaml2pdb::YamlPdbOutputFile = OutputFilename.str();
   1383     }
   1384     yamlToPdb(opts::yaml2pdb::InputFilename);
   1385   } else if (opts::AnalyzeSubcommand) {
   1386     dumpAnalysis(opts::analyze::InputFilename.front());
   1387   } else if (opts::PrettySubcommand) {
   1388     if (opts::pretty::Lines)
   1389       opts::pretty::Compilands = true;
   1390 
   1391     if (opts::pretty::All) {
   1392       opts::pretty::Compilands = true;
   1393       opts::pretty::Symbols = true;
   1394       opts::pretty::Globals = true;
   1395       opts::pretty::Types = true;
   1396       opts::pretty::Externals = true;
   1397       opts::pretty::Lines = true;
   1398     }
   1399 
   1400     if (opts::pretty::Types) {
   1401       opts::pretty::Classes = true;
   1402       opts::pretty::Typedefs = true;
   1403       opts::pretty::Enums = true;
   1404     }
   1405 
   1406     // When adding filters for excluded compilands and types, we need to
   1407     // remember that these are regexes.  So special characters such as * and \
   1408     // need to be escaped in the regex.  In the case of a literal \, this means
   1409     // it needs to be escaped again in the C++.  So matching a single \ in the
   1410     // input requires 4 \es in the C++.
   1411     if (opts::pretty::ExcludeCompilerGenerated) {
   1412       opts::pretty::ExcludeTypes.push_back("__vc_attributes");
   1413       opts::pretty::ExcludeCompilands.push_back("\\* Linker \\*");
   1414     }
   1415     if (opts::pretty::ExcludeSystemLibraries) {
   1416       opts::pretty::ExcludeCompilands.push_back(
   1417           "f:\\\\binaries\\\\Intermediate\\\\vctools\\\\crt_bld");
   1418       opts::pretty::ExcludeCompilands.push_back("f:\\\\dd\\\\vctools\\\\crt");
   1419       opts::pretty::ExcludeCompilands.push_back(
   1420           "d:\\\\th.obj.x86fre\\\\minkernel");
   1421     }
   1422     llvm::for_each(opts::pretty::InputFilenames, dumpPretty);
   1423   } else if (opts::DumpSubcommand) {
   1424     llvm::for_each(opts::dump::InputFilenames, dumpRaw);
   1425   } else if (opts::BytesSubcommand) {
   1426     llvm::for_each(opts::bytes::InputFilenames, dumpBytes);
   1427   } else if (opts::MergeSubcommand) {
   1428     if (opts::merge::InputFilenames.size() < 2) {
   1429       errs() << "merge subcommand requires at least 2 input files.\n";
   1430       exit(1);
   1431     }
   1432     mergePdbs();
   1433   } else if (opts::ExplainSubcommand) {
   1434     explain();
   1435   } else if (opts::ExportSubcommand) {
   1436     exportStream();
   1437   }
   1438 
   1439   outs().flush();
   1440   return 0;
   1441 }
   1442