//===- llvm-pdbutil.cpp - Dump debug info from a PDB file -------*- C++ -*-===// // // The LLVM Compiler Infrastructure // // This file is distributed under the University of Illinois Open Source // License. See LICENSE.TXT for details. // //===----------------------------------------------------------------------===// // // Dumps debug information present in PDB files. // //===----------------------------------------------------------------------===// #include "llvm-pdbutil.h" #include "Analyze.h" #include "BytesOutputStyle.h" #include "Diff.h" #include "DumpOutputStyle.h" #include "InputFile.h" #include "LinePrinter.h" #include "OutputStyle.h" #include "PrettyCompilandDumper.h" #include "PrettyExternalSymbolDumper.h" #include "PrettyFunctionDumper.h" #include "PrettyTypeDumper.h" #include "PrettyVariableDumper.h" #include "YAMLOutputStyle.h" #include "llvm/ADT/ArrayRef.h" #include "llvm/ADT/BitVector.h" #include "llvm/ADT/DenseMap.h" #include "llvm/ADT/STLExtras.h" #include "llvm/ADT/StringExtras.h" #include "llvm/BinaryFormat/Magic.h" #include "llvm/Config/config.h" #include "llvm/DebugInfo/CodeView/AppendingTypeTableBuilder.h" #include "llvm/DebugInfo/CodeView/DebugChecksumsSubsection.h" #include "llvm/DebugInfo/CodeView/DebugInlineeLinesSubsection.h" #include "llvm/DebugInfo/CodeView/DebugLinesSubsection.h" #include "llvm/DebugInfo/CodeView/LazyRandomTypeCollection.h" #include "llvm/DebugInfo/CodeView/MergingTypeTableBuilder.h" #include "llvm/DebugInfo/CodeView/StringsAndChecksums.h" #include "llvm/DebugInfo/CodeView/TypeStreamMerger.h" #include "llvm/DebugInfo/MSF/MSFBuilder.h" #include "llvm/DebugInfo/PDB/GenericError.h" #include "llvm/DebugInfo/PDB/IPDBEnumChildren.h" #include "llvm/DebugInfo/PDB/IPDBRawSymbol.h" #include "llvm/DebugInfo/PDB/IPDBSession.h" #include "llvm/DebugInfo/PDB/Native/DbiModuleDescriptorBuilder.h" #include "llvm/DebugInfo/PDB/Native/DbiStreamBuilder.h" #include "llvm/DebugInfo/PDB/Native/InfoStreamBuilder.h" #include "llvm/DebugInfo/PDB/Native/NativeSession.h" #include "llvm/DebugInfo/PDB/Native/PDBFile.h" #include "llvm/DebugInfo/PDB/Native/PDBFileBuilder.h" #include "llvm/DebugInfo/PDB/Native/PDBStringTableBuilder.h" #include "llvm/DebugInfo/PDB/Native/RawConstants.h" #include "llvm/DebugInfo/PDB/Native/RawError.h" #include "llvm/DebugInfo/PDB/Native/TpiStream.h" #include "llvm/DebugInfo/PDB/Native/TpiStreamBuilder.h" #include "llvm/DebugInfo/PDB/PDB.h" #include "llvm/DebugInfo/PDB/PDBSymbolCompiland.h" #include "llvm/DebugInfo/PDB/PDBSymbolData.h" #include "llvm/DebugInfo/PDB/PDBSymbolExe.h" #include "llvm/DebugInfo/PDB/PDBSymbolFunc.h" #include "llvm/DebugInfo/PDB/PDBSymbolThunk.h" #include "llvm/Support/BinaryByteStream.h" #include "llvm/Support/COM.h" #include "llvm/Support/CommandLine.h" #include "llvm/Support/ConvertUTF.h" #include "llvm/Support/FileOutputBuffer.h" #include "llvm/Support/FileSystem.h" #include "llvm/Support/Format.h" #include "llvm/Support/LineIterator.h" #include "llvm/Support/ManagedStatic.h" #include "llvm/Support/MemoryBuffer.h" #include "llvm/Support/Path.h" #include "llvm/Support/PrettyStackTrace.h" #include "llvm/Support/Process.h" #include "llvm/Support/Regex.h" #include "llvm/Support/ScopedPrinter.h" #include "llvm/Support/Signals.h" #include "llvm/Support/raw_ostream.h" using namespace llvm; using namespace llvm::codeview; using namespace llvm::msf; using namespace llvm::pdb; namespace opts { cl::SubCommand DumpSubcommand("dump", "Dump MSF and CodeView debug info"); cl::SubCommand BytesSubcommand("bytes", "Dump raw bytes from the PDB file"); cl::SubCommand PrettySubcommand("pretty", "Dump semantic information about types and symbols"); cl::SubCommand DiffSubcommand("diff", "Diff the contents of 2 PDB files"); cl::SubCommand YamlToPdbSubcommand("yaml2pdb", "Generate a PDB file from a YAML description"); cl::SubCommand PdbToYamlSubcommand("pdb2yaml", "Generate a detailed YAML description of a PDB File"); cl::SubCommand AnalyzeSubcommand("analyze", "Analyze various aspects of a PDB's structure"); cl::SubCommand MergeSubcommand("merge", "Merge multiple PDBs into a single PDB"); cl::OptionCategory TypeCategory("Symbol Type Options"); cl::OptionCategory FilterCategory("Filtering and Sorting Options"); cl::OptionCategory OtherOptions("Other Options"); cl::ValuesClass ChunkValues = cl::values( clEnumValN(ModuleSubsection::CrossScopeExports, "cme", "Cross module exports (DEBUG_S_CROSSSCOPEEXPORTS subsection)"), clEnumValN(ModuleSubsection::CrossScopeImports, "cmi", "Cross module imports (DEBUG_S_CROSSSCOPEIMPORTS subsection)"), clEnumValN(ModuleSubsection::FileChecksums, "fc", "File checksums (DEBUG_S_CHECKSUMS subsection)"), clEnumValN(ModuleSubsection::InlineeLines, "ilines", "Inlinee lines (DEBUG_S_INLINEELINES subsection)"), clEnumValN(ModuleSubsection::Lines, "lines", "Lines (DEBUG_S_LINES subsection)"), clEnumValN(ModuleSubsection::StringTable, "strings", "String Table (DEBUG_S_STRINGTABLE subsection) (not " "typically present in PDB file)"), clEnumValN(ModuleSubsection::FrameData, "frames", "Frame Data (DEBUG_S_FRAMEDATA subsection)"), clEnumValN(ModuleSubsection::Symbols, "symbols", "Symbols (DEBUG_S_SYMBOLS subsection) (not typically " "present in PDB file)"), clEnumValN(ModuleSubsection::CoffSymbolRVAs, "rvas", "COFF Symbol RVAs (DEBUG_S_COFF_SYMBOL_RVA subsection)"), clEnumValN(ModuleSubsection::Unknown, "unknown", "Any subsection not covered by another option"), clEnumValN(ModuleSubsection::All, "all", "All known subsections")); namespace pretty { cl::list InputFilenames(cl::Positional, cl::desc(""), cl::OneOrMore, cl::sub(PrettySubcommand)); cl::opt Compilands("compilands", cl::desc("Display compilands"), cl::cat(TypeCategory), cl::sub(PrettySubcommand)); cl::opt Symbols("module-syms", cl::desc("Display symbols for each compiland"), cl::cat(TypeCategory), cl::sub(PrettySubcommand)); cl::opt Globals("globals", cl::desc("Dump global symbols"), cl::cat(TypeCategory), cl::sub(PrettySubcommand)); cl::opt Externals("externals", cl::desc("Dump external symbols"), cl::cat(TypeCategory), cl::sub(PrettySubcommand)); cl::list SymTypes( "sym-types", cl::desc("Type of symbols to dump (default all)"), cl::cat(TypeCategory), cl::sub(PrettySubcommand), cl::ZeroOrMore, cl::values( clEnumValN(SymLevel::Thunks, "thunks", "Display thunk symbols"), clEnumValN(SymLevel::Data, "data", "Display data symbols"), clEnumValN(SymLevel::Functions, "funcs", "Display function symbols"), clEnumValN(SymLevel::All, "all", "Display all symbols (default)"))); cl::opt Types("types", cl::desc("Display all types (implies -classes, -enums, -typedefs)"), cl::cat(TypeCategory), cl::sub(PrettySubcommand)); cl::opt Classes("classes", cl::desc("Display class types"), cl::cat(TypeCategory), cl::sub(PrettySubcommand)); cl::opt Enums("enums", cl::desc("Display enum types"), cl::cat(TypeCategory), cl::sub(PrettySubcommand)); cl::opt Typedefs("typedefs", cl::desc("Display typedef types"), cl::cat(TypeCategory), cl::sub(PrettySubcommand)); cl::opt SymbolOrder( "symbol-order", cl::desc("symbol sort order"), cl::init(SymbolSortMode::None), cl::values(clEnumValN(SymbolSortMode::None, "none", "Undefined / no particular sort order"), clEnumValN(SymbolSortMode::Name, "name", "Sort symbols by name"), clEnumValN(SymbolSortMode::Size, "size", "Sort symbols by size")), cl::cat(TypeCategory), cl::sub(PrettySubcommand)); cl::opt ClassOrder( "class-order", cl::desc("Class sort order"), cl::init(ClassSortMode::None), cl::values( clEnumValN(ClassSortMode::None, "none", "Undefined / no particular sort order"), clEnumValN(ClassSortMode::Name, "name", "Sort classes by name"), clEnumValN(ClassSortMode::Size, "size", "Sort classes by size"), clEnumValN(ClassSortMode::Padding, "padding", "Sort classes by amount of padding"), clEnumValN(ClassSortMode::PaddingPct, "padding-pct", "Sort classes by percentage of space consumed by padding"), clEnumValN(ClassSortMode::PaddingImmediate, "padding-imm", "Sort classes by amount of immediate padding"), clEnumValN(ClassSortMode::PaddingPctImmediate, "padding-pct-imm", "Sort classes by percentage of space consumed by immediate " "padding")), cl::cat(TypeCategory), cl::sub(PrettySubcommand)); cl::opt ClassFormat( "class-definitions", cl::desc("Class definition format"), cl::init(ClassDefinitionFormat::All), cl::values( clEnumValN(ClassDefinitionFormat::All, "all", "Display all class members including data, constants, " "typedefs, functions, etc"), clEnumValN(ClassDefinitionFormat::Layout, "layout", "Only display members that contribute to class size."), clEnumValN(ClassDefinitionFormat::None, "none", "Don't display class definitions")), cl::cat(TypeCategory), cl::sub(PrettySubcommand)); cl::opt ClassRecursionDepth( "class-recurse-depth", cl::desc("Class recursion depth (0=no limit)"), cl::init(0), cl::cat(TypeCategory), cl::sub(PrettySubcommand)); cl::opt Lines("lines", cl::desc("Line tables"), cl::cat(TypeCategory), cl::sub(PrettySubcommand)); cl::opt All("all", cl::desc("Implies all other options in 'Symbol Types' category"), cl::cat(TypeCategory), cl::sub(PrettySubcommand)); cl::opt LoadAddress( "load-address", cl::desc("Assume the module is loaded at the specified address"), cl::cat(OtherOptions), cl::sub(PrettySubcommand)); cl::opt Native("native", cl::desc("Use native PDB reader instead of DIA"), cl::cat(OtherOptions), cl::sub(PrettySubcommand)); cl::opt ColorOutput("color-output", cl::desc("Override use of color (default = isatty)"), cl::cat(OtherOptions), cl::sub(PrettySubcommand)); cl::list ExcludeTypes( "exclude-types", cl::desc("Exclude types by regular expression"), cl::ZeroOrMore, cl::cat(FilterCategory), cl::sub(PrettySubcommand)); cl::list ExcludeSymbols( "exclude-symbols", cl::desc("Exclude symbols by regular expression"), cl::ZeroOrMore, cl::cat(FilterCategory), cl::sub(PrettySubcommand)); cl::list ExcludeCompilands( "exclude-compilands", cl::desc("Exclude compilands by regular expression"), cl::ZeroOrMore, cl::cat(FilterCategory), cl::sub(PrettySubcommand)); cl::list IncludeTypes( "include-types", cl::desc("Include only types which match a regular expression"), cl::ZeroOrMore, cl::cat(FilterCategory), cl::sub(PrettySubcommand)); cl::list IncludeSymbols( "include-symbols", cl::desc("Include only symbols which match a regular expression"), cl::ZeroOrMore, cl::cat(FilterCategory), cl::sub(PrettySubcommand)); cl::list IncludeCompilands( "include-compilands", cl::desc("Include only compilands those which match a regular expression"), cl::ZeroOrMore, cl::cat(FilterCategory), cl::sub(PrettySubcommand)); cl::opt SizeThreshold( "min-type-size", cl::desc("Displays only those types which are greater " "than or equal to the specified size."), cl::init(0), cl::cat(FilterCategory), cl::sub(PrettySubcommand)); cl::opt PaddingThreshold( "min-class-padding", cl::desc("Displays only those classes which have at " "least the specified amount of padding."), cl::init(0), cl::cat(FilterCategory), cl::sub(PrettySubcommand)); cl::opt ImmediatePaddingThreshold( "min-class-padding-imm", cl::desc("Displays only those classes which have at least the specified " "amount of immediate padding, ignoring padding internal to bases " "and aggregates."), cl::init(0), cl::cat(FilterCategory), cl::sub(PrettySubcommand)); cl::opt ExcludeCompilerGenerated( "no-compiler-generated", cl::desc("Don't show compiler generated types and symbols"), cl::cat(FilterCategory), cl::sub(PrettySubcommand)); cl::opt ExcludeSystemLibraries("no-system-libs", cl::desc("Don't show symbols from system libraries"), cl::cat(FilterCategory), cl::sub(PrettySubcommand)); cl::opt NoEnumDefs("no-enum-definitions", cl::desc("Don't display full enum definitions"), cl::cat(FilterCategory), cl::sub(PrettySubcommand)); } namespace diff { cl::opt PrintValueColumns( "values", cl::init(true), cl::desc("Print one column for each PDB with the field value"), cl::Optional, cl::sub(DiffSubcommand)); cl::opt PrintResultColumn("result", cl::init(false), cl::desc("Print a column with the result status"), cl::Optional, cl::sub(DiffSubcommand)); cl::list RawModiEquivalences("modi-equivalence", cl::ZeroOrMore, cl::value_desc("left,right"), cl::desc("Modules with the specified indices will be " "treated as referring to the same module"), cl::sub(DiffSubcommand)); cl::opt LeftRoot( "left-bin-root", cl::Optional, cl::desc("Treats the specified path as the root of the tree containing " "binaries referenced by the left PDB. The root is stripped from " "embedded paths when doing equality comparisons."), cl::sub(DiffSubcommand)); cl::opt RightRoot( "right-bin-root", cl::Optional, cl::desc("Treats the specified path as the root of the tree containing " "binaries referenced by the right PDB. The root is stripped from " "embedded paths when doing equality comparisons"), cl::sub(DiffSubcommand)); cl::opt Left(cl::Positional, cl::desc(""), cl::sub(DiffSubcommand)); cl::opt Right(cl::Positional, cl::desc(""), cl::sub(DiffSubcommand)); llvm::DenseMap Equivalences; } cl::OptionCategory FileOptions("Module & File Options"); namespace bytes { cl::OptionCategory MsfBytes("MSF File Options"); cl::OptionCategory DbiBytes("Dbi Stream Options"); cl::OptionCategory PdbBytes("PDB Stream Options"); cl::OptionCategory Types("Type Options"); cl::OptionCategory ModuleCategory("Module Options"); llvm::Optional DumpBlockRange; llvm::Optional DumpByteRange; cl::opt DumpBlockRangeOpt( "block-range", cl::value_desc("start[-end]"), cl::desc("Dump binary data from specified range of blocks."), cl::sub(BytesSubcommand), cl::cat(MsfBytes)); cl::opt DumpByteRangeOpt("byte-range", cl::value_desc("start[-end]"), cl::desc("Dump binary data from specified range of bytes"), cl::sub(BytesSubcommand), cl::cat(MsfBytes)); cl::list DumpStreamData("stream-data", cl::CommaSeparated, cl::ZeroOrMore, cl::desc("Dump binary data from specified streams. Format " "is SN[:Start][@Size]"), cl::sub(BytesSubcommand), cl::cat(MsfBytes)); cl::opt NameMap("name-map", cl::desc("Dump bytes of PDB Name Map"), cl::sub(BytesSubcommand), cl::cat(PdbBytes)); cl::opt Fpm("fpm", cl::desc("Dump free page map"), cl::sub(BytesSubcommand), cl::cat(MsfBytes)); cl::opt SectionContributions("sc", cl::desc("Dump section contributions"), cl::sub(BytesSubcommand), cl::cat(DbiBytes)); cl::opt SectionMap("sm", cl::desc("Dump section map"), cl::sub(BytesSubcommand), cl::cat(DbiBytes)); cl::opt ModuleInfos("modi", cl::desc("Dump module info"), cl::sub(BytesSubcommand), cl::cat(DbiBytes)); cl::opt FileInfo("files", cl::desc("Dump source file info"), cl::sub(BytesSubcommand), cl::cat(DbiBytes)); cl::opt TypeServerMap("type-server", cl::desc("Dump type server map"), cl::sub(BytesSubcommand), cl::cat(DbiBytes)); cl::opt ECData("ec", cl::desc("Dump edit and continue map"), cl::sub(BytesSubcommand), cl::cat(DbiBytes)); cl::list TypeIndex("type", cl::desc("Dump the type record with the given type index"), cl::ZeroOrMore, cl::CommaSeparated, cl::sub(BytesSubcommand), cl::cat(TypeCategory)); cl::list IdIndex("id", cl::desc("Dump the id record with the given type index"), cl::ZeroOrMore, cl::CommaSeparated, cl::sub(BytesSubcommand), cl::cat(TypeCategory)); cl::opt ModuleIndex( "mod", cl::desc( "Limit options in the Modules category to the specified module index"), cl::Optional, cl::sub(BytesSubcommand), cl::cat(ModuleCategory)); cl::opt ModuleSyms("syms", cl::desc("Dump symbol record substream"), cl::sub(BytesSubcommand), cl::cat(ModuleCategory)); cl::opt ModuleC11("c11-chunks", cl::Hidden, cl::desc("Dump C11 CodeView debug chunks"), cl::sub(BytesSubcommand), cl::cat(ModuleCategory)); cl::opt ModuleC13("chunks", cl::desc("Dump C13 CodeView debug chunk subsection"), cl::sub(BytesSubcommand), cl::cat(ModuleCategory)); cl::opt SplitChunks( "split-chunks", cl::desc( "When dumping debug chunks, show a different section for each chunk"), cl::sub(BytesSubcommand), cl::cat(ModuleCategory)); cl::list InputFilenames(cl::Positional, cl::desc(""), cl::OneOrMore, cl::sub(BytesSubcommand)); } // namespace bytes namespace dump { cl::OptionCategory MsfOptions("MSF Container Options"); cl::OptionCategory TypeOptions("Type Record Options"); cl::OptionCategory SymbolOptions("Symbol Options"); cl::OptionCategory MiscOptions("Miscellaneous Options"); // MSF OPTIONS cl::opt DumpSummary("summary", cl::desc("dump file summary"), cl::cat(MsfOptions), cl::sub(DumpSubcommand)); cl::opt DumpStreams("streams", cl::desc("dump summary of the PDB streams"), cl::cat(MsfOptions), cl::sub(DumpSubcommand)); cl::opt DumpStreamBlocks( "stream-blocks", cl::desc("Add block information to the output of -streams"), cl::cat(MsfOptions), cl::sub(DumpSubcommand)); cl::opt DumpSymbolStats( "sym-stats", cl::desc("Dump a detailed breakdown of symbol usage/size for each module"), cl::cat(MsfOptions), cl::sub(DumpSubcommand)); cl::opt DumpUdtStats( "udt-stats", cl::desc("Dump a detailed breakdown of S_UDT record usage / stats"), cl::cat(MsfOptions), cl::sub(DumpSubcommand)); // TYPE OPTIONS cl::opt DumpTypes("types", cl::desc("dump CodeView type records from TPI stream"), cl::cat(TypeOptions), cl::sub(DumpSubcommand)); cl::opt DumpTypeData( "type-data", cl::desc("dump CodeView type record raw bytes from TPI stream"), cl::cat(TypeOptions), cl::sub(DumpSubcommand)); cl::opt DumpTypeExtras("type-extras", cl::desc("dump type hashes and index offsets"), cl::cat(TypeOptions), cl::sub(DumpSubcommand)); cl::list DumpTypeIndex( "type-index", cl::ZeroOrMore, cl::CommaSeparated, cl::desc("only dump types with the specified hexadecimal type index"), cl::cat(TypeOptions), cl::sub(DumpSubcommand)); cl::opt DumpIds("ids", cl::desc("dump CodeView type records from IPI stream"), cl::cat(TypeOptions), cl::sub(DumpSubcommand)); cl::opt DumpIdData("id-data", cl::desc("dump CodeView type record raw bytes from IPI stream"), cl::cat(TypeOptions), cl::sub(DumpSubcommand)); cl::opt DumpIdExtras("id-extras", cl::desc("dump id hashes and index offsets"), cl::cat(TypeOptions), cl::sub(DumpSubcommand)); cl::list DumpIdIndex( "id-index", cl::ZeroOrMore, cl::CommaSeparated, cl::desc("only dump ids with the specified hexadecimal type index"), cl::cat(TypeOptions), cl::sub(DumpSubcommand)); cl::opt DumpTypeDependents( "dependents", cl::desc("In conjunection with -type-index and -id-index, dumps the entire " "dependency graph for the specified index instead of " "just the single record with the specified index"), cl::cat(TypeOptions), cl::sub(DumpSubcommand)); // SYMBOL OPTIONS cl::opt DumpGlobals("globals", cl::desc("dump Globals symbol records"), cl::cat(SymbolOptions), cl::sub(DumpSubcommand)); cl::opt DumpGlobalExtras("global-extras", cl::desc("dump Globals hashes"), cl::cat(SymbolOptions), cl::sub(DumpSubcommand)); cl::opt DumpPublics("publics", cl::desc("dump Publics stream data"), cl::cat(SymbolOptions), cl::sub(DumpSubcommand)); cl::opt DumpPublicExtras("public-extras", cl::desc("dump Publics hashes and address maps"), cl::cat(SymbolOptions), cl::sub(DumpSubcommand)); cl::opt DumpSymbols("symbols", cl::desc("dump module symbols"), cl::cat(SymbolOptions), cl::sub(DumpSubcommand)); cl::opt DumpSymRecordBytes("sym-data", cl::desc("dump CodeView symbol record raw bytes"), cl::cat(SymbolOptions), cl::sub(DumpSubcommand)); // MODULE & FILE OPTIONS cl::opt DumpModules("modules", cl::desc("dump compiland information"), cl::cat(FileOptions), cl::sub(DumpSubcommand)); cl::opt DumpModuleFiles( "files", cl::desc("Dump the source files that contribute to each module's."), cl::cat(FileOptions), cl::sub(DumpSubcommand)); cl::opt DumpLines( "l", cl::desc("dump source file/line information (DEBUG_S_LINES subsection)"), cl::cat(FileOptions), cl::sub(DumpSubcommand)); cl::opt DumpInlineeLines( "il", cl::desc("dump inlinee line information (DEBUG_S_INLINEELINES subsection)"), cl::cat(FileOptions), cl::sub(DumpSubcommand)); cl::opt DumpXmi( "xmi", cl::desc( "dump cross module imports (DEBUG_S_CROSSSCOPEIMPORTS subsection)"), cl::cat(FileOptions), cl::sub(DumpSubcommand)); cl::opt DumpXme( "xme", cl::desc( "dump cross module exports (DEBUG_S_CROSSSCOPEEXPORTS subsection)"), cl::cat(FileOptions), cl::sub(DumpSubcommand)); cl::opt DumpModi("modi", cl::Optional, cl::desc("For all options that iterate over " "modules, limit to the specified module"), cl::cat(FileOptions), cl::sub(DumpSubcommand)); cl::opt JustMyCode("jmc", cl::Optional, cl::desc("For all options that iterate over modules, " "ignore modules from system libraries"), cl::cat(FileOptions), cl::sub(DumpSubcommand)); // MISCELLANEOUS OPTIONS cl::opt DumpStringTable("string-table", cl::desc("dump PDB String Table"), cl::cat(MiscOptions), cl::sub(DumpSubcommand)); cl::opt DumpSectionContribs("section-contribs", cl::desc("dump section contributions"), cl::cat(MiscOptions), cl::sub(DumpSubcommand)); cl::opt DumpSectionMap("section-map", cl::desc("dump section map"), cl::cat(MiscOptions), cl::sub(DumpSubcommand)); cl::opt DumpSectionHeaders("section-headers", cl::desc("Dump image section headers"), cl::cat(MiscOptions), cl::sub(DumpSubcommand)); cl::opt RawAll("all", cl::desc("Implies most other options."), cl::cat(MiscOptions), cl::sub(DumpSubcommand)); cl::list InputFilenames(cl::Positional, cl::desc(""), cl::OneOrMore, cl::sub(DumpSubcommand)); } namespace yaml2pdb { cl::opt YamlPdbOutputFile("pdb", cl::desc("the name of the PDB file to write"), cl::sub(YamlToPdbSubcommand)); cl::opt InputFilename(cl::Positional, cl::desc(""), cl::Required, cl::sub(YamlToPdbSubcommand)); } namespace pdb2yaml { cl::opt All("all", cl::desc("Dump everything we know how to dump."), cl::sub(PdbToYamlSubcommand), cl::init(false)); cl::opt NoFileHeaders("no-file-headers", cl::desc("Do not dump MSF file headers"), cl::sub(PdbToYamlSubcommand), cl::init(false)); cl::opt Minimal("minimal", cl::desc("Don't write fields with default values"), cl::sub(PdbToYamlSubcommand), cl::init(false)); cl::opt StreamMetadata( "stream-metadata", cl::desc("Dump the number of streams and each stream's size"), cl::sub(PdbToYamlSubcommand), cl::init(false)); cl::opt StreamDirectory( "stream-directory", cl::desc("Dump each stream's block map (implies -stream-metadata)"), cl::sub(PdbToYamlSubcommand), cl::init(false)); cl::opt PdbStream("pdb-stream", cl::desc("Dump the PDB Stream (Stream 1)"), cl::sub(PdbToYamlSubcommand), cl::init(false)); cl::opt StringTable("string-table", cl::desc("Dump the PDB String Table"), cl::sub(PdbToYamlSubcommand), cl::init(false)); cl::opt DbiStream("dbi-stream", cl::desc("Dump the DBI Stream Headers (Stream 2)"), cl::sub(PdbToYamlSubcommand), cl::init(false)); cl::opt TpiStream("tpi-stream", cl::desc("Dump the TPI Stream (Stream 3)"), cl::sub(PdbToYamlSubcommand), cl::init(false)); cl::opt IpiStream("ipi-stream", cl::desc("Dump the IPI Stream (Stream 5)"), cl::sub(PdbToYamlSubcommand), cl::init(false)); // MODULE & FILE OPTIONS cl::opt DumpModules("modules", cl::desc("dump compiland information"), cl::cat(FileOptions), cl::sub(PdbToYamlSubcommand)); cl::opt DumpModuleFiles("module-files", cl::desc("dump file information"), cl::cat(FileOptions), cl::sub(PdbToYamlSubcommand)); cl::list DumpModuleSubsections( "subsections", cl::ZeroOrMore, cl::CommaSeparated, cl::desc("dump subsections from each module's debug stream"), ChunkValues, cl::cat(FileOptions), cl::sub(PdbToYamlSubcommand)); cl::opt DumpModuleSyms("module-syms", cl::desc("dump module symbols"), cl::cat(FileOptions), cl::sub(PdbToYamlSubcommand)); cl::list InputFilename(cl::Positional, cl::desc(""), cl::Required, cl::sub(PdbToYamlSubcommand)); } // namespace pdb2yaml namespace analyze { cl::opt StringTable("hash-collisions", cl::desc("Find hash collisions"), cl::sub(AnalyzeSubcommand), cl::init(false)); cl::list InputFilename(cl::Positional, cl::desc(""), cl::Required, cl::sub(AnalyzeSubcommand)); } namespace merge { cl::list InputFilenames(cl::Positional, cl::desc(""), cl::OneOrMore, cl::sub(MergeSubcommand)); cl::opt PdbOutputFile("pdb", cl::desc("the name of the PDB file to write"), cl::sub(MergeSubcommand)); } } static ExitOnError ExitOnErr; static void yamlToPdb(StringRef Path) { BumpPtrAllocator Allocator; ErrorOr> ErrorOrBuffer = MemoryBuffer::getFileOrSTDIN(Path, /*FileSize=*/-1, /*RequiresNullTerminator=*/false); if (ErrorOrBuffer.getError()) { ExitOnErr(make_error(generic_error_code::invalid_path, Path)); } std::unique_ptr &Buffer = ErrorOrBuffer.get(); llvm::yaml::Input In(Buffer->getBuffer()); pdb::yaml::PdbObject YamlObj(Allocator); In >> YamlObj; PDBFileBuilder Builder(Allocator); uint32_t BlockSize = 4096; if (YamlObj.Headers.hasValue()) BlockSize = YamlObj.Headers->SuperBlock.BlockSize; ExitOnErr(Builder.initialize(BlockSize)); // Add each of the reserved streams. We ignore stream metadata in the // yaml, because we will reconstruct our own view of the streams. For // example, the YAML may say that there were 20 streams in the original // PDB, but maybe we only dump a subset of those 20 streams, so we will // have fewer, and the ones we do have may end up with different indices // than the ones in the original PDB. So we just start with a clean slate. for (uint32_t I = 0; I < kSpecialStreamCount; ++I) ExitOnErr(Builder.getMsfBuilder().addStream(0)); StringsAndChecksums Strings; Strings.setStrings(std::make_shared()); if (YamlObj.StringTable.hasValue()) { for (auto S : *YamlObj.StringTable) Strings.strings()->insert(S); } pdb::yaml::PdbInfoStream DefaultInfoStream; pdb::yaml::PdbDbiStream DefaultDbiStream; pdb::yaml::PdbTpiStream DefaultTpiStream; pdb::yaml::PdbTpiStream DefaultIpiStream; const auto &Info = YamlObj.PdbStream.getValueOr(DefaultInfoStream); auto &InfoBuilder = Builder.getInfoBuilder(); InfoBuilder.setAge(Info.Age); InfoBuilder.setGuid(Info.Guid); InfoBuilder.setSignature(Info.Signature); InfoBuilder.setVersion(Info.Version); for (auto F : Info.Features) InfoBuilder.addFeature(F); const auto &Dbi = YamlObj.DbiStream.getValueOr(DefaultDbiStream); auto &DbiBuilder = Builder.getDbiBuilder(); DbiBuilder.setAge(Dbi.Age); DbiBuilder.setBuildNumber(Dbi.BuildNumber); DbiBuilder.setFlags(Dbi.Flags); DbiBuilder.setMachineType(Dbi.MachineType); DbiBuilder.setPdbDllRbld(Dbi.PdbDllRbld); DbiBuilder.setPdbDllVersion(Dbi.PdbDllVersion); DbiBuilder.setVersionHeader(Dbi.VerHeader); for (const auto &MI : Dbi.ModInfos) { auto &ModiBuilder = ExitOnErr(DbiBuilder.addModuleInfo(MI.Mod)); ModiBuilder.setObjFileName(MI.Obj); for (auto S : MI.SourceFiles) ExitOnErr(DbiBuilder.addModuleSourceFile(ModiBuilder, S)); if (MI.Modi.hasValue()) { const auto &ModiStream = *MI.Modi; for (auto Symbol : ModiStream.Symbols) { ModiBuilder.addSymbol( Symbol.toCodeViewSymbol(Allocator, CodeViewContainer::Pdb)); } } // Each module has its own checksum subsection, so scan for it every time. Strings.setChecksums(nullptr); CodeViewYAML::initializeStringsAndChecksums(MI.Subsections, Strings); auto CodeViewSubsections = ExitOnErr(CodeViewYAML::toCodeViewSubsectionList( Allocator, MI.Subsections, Strings)); for (auto &SS : CodeViewSubsections) { ModiBuilder.addDebugSubsection(SS); } } auto &TpiBuilder = Builder.getTpiBuilder(); const auto &Tpi = YamlObj.TpiStream.getValueOr(DefaultTpiStream); TpiBuilder.setVersionHeader(Tpi.Version); AppendingTypeTableBuilder TS(Allocator); for (const auto &R : Tpi.Records) { CVType Type = R.toCodeViewRecord(TS); TpiBuilder.addTypeRecord(Type.RecordData, None); } const auto &Ipi = YamlObj.IpiStream.getValueOr(DefaultIpiStream); auto &IpiBuilder = Builder.getIpiBuilder(); IpiBuilder.setVersionHeader(Ipi.Version); for (const auto &R : Ipi.Records) { CVType Type = R.toCodeViewRecord(TS); IpiBuilder.addTypeRecord(Type.RecordData, None); } Builder.getStringTableBuilder().setStrings(*Strings.strings()); ExitOnErr(Builder.commit(opts::yaml2pdb::YamlPdbOutputFile)); } static PDBFile &loadPDB(StringRef Path, std::unique_ptr &Session) { ExitOnErr(loadDataForPDB(PDB_ReaderType::Native, Path, Session)); NativeSession *NS = static_cast(Session.get()); return NS->getPDBFile(); } static void pdb2Yaml(StringRef Path) { std::unique_ptr Session; auto &File = loadPDB(Path, Session); auto O = llvm::make_unique(File); O = llvm::make_unique(File); ExitOnErr(O->dump()); } static void dumpRaw(StringRef Path) { InputFile IF = ExitOnErr(InputFile::open(Path)); auto O = llvm::make_unique(IF); ExitOnErr(O->dump()); } static void dumpBytes(StringRef Path) { std::unique_ptr Session; auto &File = loadPDB(Path, Session); auto O = llvm::make_unique(File); ExitOnErr(O->dump()); } static void dumpAnalysis(StringRef Path) { std::unique_ptr Session; auto &File = loadPDB(Path, Session); auto O = llvm::make_unique(File); ExitOnErr(O->dump()); } static void diff(StringRef Path1, StringRef Path2) { std::unique_ptr Session1; std::unique_ptr Session2; auto &File1 = loadPDB(Path1, Session1); auto &File2 = loadPDB(Path2, Session2); auto O = llvm::make_unique(File1, File2); ExitOnErr(O->dump()); } bool opts::pretty::shouldDumpSymLevel(SymLevel Search) { if (SymTypes.empty()) return true; if (llvm::find(SymTypes, Search) != SymTypes.end()) return true; if (llvm::find(SymTypes, SymLevel::All) != SymTypes.end()) return true; return false; } uint32_t llvm::pdb::getTypeLength(const PDBSymbolData &Symbol) { auto SymbolType = Symbol.getType(); const IPDBRawSymbol &RawType = SymbolType->getRawSymbol(); return RawType.getLength(); } bool opts::pretty::compareFunctionSymbols( const std::unique_ptr &F1, const std::unique_ptr &F2) { assert(opts::pretty::SymbolOrder != opts::pretty::SymbolSortMode::None); if (opts::pretty::SymbolOrder == opts::pretty::SymbolSortMode::Name) return F1->getName() < F2->getName(); // Note that we intentionally sort in descending order on length, since // long functions are more interesting than short functions. return F1->getLength() > F2->getLength(); } bool opts::pretty::compareDataSymbols( const std::unique_ptr &F1, const std::unique_ptr &F2) { assert(opts::pretty::SymbolOrder != opts::pretty::SymbolSortMode::None); if (opts::pretty::SymbolOrder == opts::pretty::SymbolSortMode::Name) return F1->getName() < F2->getName(); // Note that we intentionally sort in descending order on length, since // large types are more interesting than short ones. return getTypeLength(*F1) > getTypeLength(*F2); } static void dumpPretty(StringRef Path) { std::unique_ptr Session; const auto ReaderType = opts::pretty::Native ? PDB_ReaderType::Native : PDB_ReaderType::DIA; ExitOnErr(loadDataForPDB(ReaderType, Path, Session)); if (opts::pretty::LoadAddress) Session->setLoadAddress(opts::pretty::LoadAddress); auto &Stream = outs(); const bool UseColor = opts::pretty::ColorOutput == cl::BOU_UNSET ? Stream.has_colors() : opts::pretty::ColorOutput == cl::BOU_TRUE; LinePrinter Printer(2, UseColor, Stream); auto GlobalScope(Session->getGlobalScope()); std::string FileName(GlobalScope->getSymbolsFileName()); WithColor(Printer, PDB_ColorItem::None).get() << "Summary for "; WithColor(Printer, PDB_ColorItem::Path).get() << FileName; Printer.Indent(); uint64_t FileSize = 0; Printer.NewLine(); WithColor(Printer, PDB_ColorItem::Identifier).get() << "Size"; if (!sys::fs::file_size(FileName, FileSize)) { Printer << ": " << FileSize << " bytes"; } else { Printer << ": (Unable to obtain file size)"; } Printer.NewLine(); WithColor(Printer, PDB_ColorItem::Identifier).get() << "Guid"; Printer << ": " << GlobalScope->getGuid(); Printer.NewLine(); WithColor(Printer, PDB_ColorItem::Identifier).get() << "Age"; Printer << ": " << GlobalScope->getAge(); Printer.NewLine(); WithColor(Printer, PDB_ColorItem::Identifier).get() << "Attributes"; Printer << ": "; if (GlobalScope->hasCTypes()) outs() << "HasCTypes "; if (GlobalScope->hasPrivateSymbols()) outs() << "HasPrivateSymbols "; Printer.Unindent(); if (opts::pretty::Compilands) { Printer.NewLine(); WithColor(Printer, PDB_ColorItem::SectionHeader).get() << "---COMPILANDS---"; Printer.Indent(); auto Compilands = GlobalScope->findAllChildren(); CompilandDumper Dumper(Printer); CompilandDumpFlags options = CompilandDumper::Flags::None; if (opts::pretty::Lines) options = options | CompilandDumper::Flags::Lines; while (auto Compiland = Compilands->getNext()) Dumper.start(*Compiland, options); Printer.Unindent(); } if (opts::pretty::Classes || opts::pretty::Enums || opts::pretty::Typedefs) { Printer.NewLine(); WithColor(Printer, PDB_ColorItem::SectionHeader).get() << "---TYPES---"; Printer.Indent(); TypeDumper Dumper(Printer); Dumper.start(*GlobalScope); Printer.Unindent(); } if (opts::pretty::Symbols) { Printer.NewLine(); WithColor(Printer, PDB_ColorItem::SectionHeader).get() << "---SYMBOLS---"; Printer.Indent(); auto Compilands = GlobalScope->findAllChildren(); CompilandDumper Dumper(Printer); while (auto Compiland = Compilands->getNext()) Dumper.start(*Compiland, true); Printer.Unindent(); } if (opts::pretty::Globals) { Printer.NewLine(); WithColor(Printer, PDB_ColorItem::SectionHeader).get() << "---GLOBALS---"; Printer.Indent(); if (shouldDumpSymLevel(opts::pretty::SymLevel::Functions)) { FunctionDumper Dumper(Printer); auto Functions = GlobalScope->findAllChildren(); if (opts::pretty::SymbolOrder == opts::pretty::SymbolSortMode::None) { while (auto Function = Functions->getNext()) { Printer.NewLine(); Dumper.start(*Function, FunctionDumper::PointerType::None); } } else { std::vector> Funcs; while (auto Func = Functions->getNext()) Funcs.push_back(std::move(Func)); std::sort(Funcs.begin(), Funcs.end(), opts::pretty::compareFunctionSymbols); for (const auto &Func : Funcs) { Printer.NewLine(); Dumper.start(*Func, FunctionDumper::PointerType::None); } } } if (shouldDumpSymLevel(opts::pretty::SymLevel::Data)) { auto Vars = GlobalScope->findAllChildren(); VariableDumper Dumper(Printer); if (opts::pretty::SymbolOrder == opts::pretty::SymbolSortMode::None) { while (auto Var = Vars->getNext()) Dumper.start(*Var); } else { std::vector> Datas; while (auto Var = Vars->getNext()) Datas.push_back(std::move(Var)); std::sort(Datas.begin(), Datas.end(), opts::pretty::compareDataSymbols); for (const auto &Var : Datas) Dumper.start(*Var); } } if (shouldDumpSymLevel(opts::pretty::SymLevel::Thunks)) { auto Thunks = GlobalScope->findAllChildren(); CompilandDumper Dumper(Printer); while (auto Thunk = Thunks->getNext()) Dumper.dump(*Thunk); } Printer.Unindent(); } if (opts::pretty::Externals) { Printer.NewLine(); WithColor(Printer, PDB_ColorItem::SectionHeader).get() << "---EXTERNALS---"; Printer.Indent(); ExternalSymbolDumper Dumper(Printer); Dumper.start(*GlobalScope); } if (opts::pretty::Lines) { Printer.NewLine(); } outs().flush(); } static void mergePdbs() { BumpPtrAllocator Allocator; MergingTypeTableBuilder MergedTpi(Allocator); MergingTypeTableBuilder MergedIpi(Allocator); // Create a Tpi and Ipi type table with all types from all input files. for (const auto &Path : opts::merge::InputFilenames) { std::unique_ptr Session; auto &File = loadPDB(Path, Session); SmallVector TypeMap; SmallVector IdMap; if (File.hasPDBTpiStream()) { auto &Tpi = ExitOnErr(File.getPDBTpiStream()); ExitOnErr( codeview::mergeTypeRecords(MergedTpi, TypeMap, Tpi.typeArray())); } if (File.hasPDBIpiStream()) { auto &Ipi = ExitOnErr(File.getPDBIpiStream()); ExitOnErr(codeview::mergeIdRecords(MergedIpi, TypeMap, IdMap, Ipi.typeArray())); } } // Then write the PDB. PDBFileBuilder Builder(Allocator); ExitOnErr(Builder.initialize(4096)); // Add each of the reserved streams. We might not put any data in them, // but at least they have to be present. for (uint32_t I = 0; I < kSpecialStreamCount; ++I) ExitOnErr(Builder.getMsfBuilder().addStream(0)); auto &DestTpi = Builder.getTpiBuilder(); auto &DestIpi = Builder.getIpiBuilder(); MergedTpi.ForEachRecord([&DestTpi](TypeIndex TI, const CVType &Type) { DestTpi.addTypeRecord(Type.RecordData, None); }); MergedIpi.ForEachRecord([&DestIpi](TypeIndex TI, const CVType &Type) { DestIpi.addTypeRecord(Type.RecordData, None); }); Builder.getInfoBuilder().addFeature(PdbRaw_FeatureSig::VC140); SmallString<64> OutFile(opts::merge::PdbOutputFile); if (OutFile.empty()) { OutFile = opts::merge::InputFilenames[0]; llvm::sys::path::replace_extension(OutFile, "merged.pdb"); } ExitOnErr(Builder.commit(OutFile)); } static bool parseRange(StringRef Str, Optional &Parsed) { if (Str.empty()) return true; llvm::Regex R("^([^-]+)(-([^-]+))?$"); llvm::SmallVector Matches; if (!R.match(Str, &Matches)) return false; Parsed.emplace(); if (!to_integer(Matches[1], Parsed->Min)) return false; if (!Matches[3].empty()) { Parsed->Max.emplace(); if (!to_integer(Matches[3], *Parsed->Max)) return false; } return true; } static void simplifyChunkList(llvm::cl::list &Chunks) { // If this list contains "All" plus some other stuff, remove the other stuff // and just keep "All" in the list. if (!llvm::is_contained(Chunks, opts::ModuleSubsection::All)) return; Chunks.reset(); Chunks.push_back(opts::ModuleSubsection::All); } int main(int argc_, const char *argv_[]) { // Print a stack trace if we signal out. sys::PrintStackTraceOnErrorSignal(argv_[0]); PrettyStackTraceProgram X(argc_, argv_); ExitOnErr.setBanner("llvm-pdbutil: "); SmallVector argv; SpecificBumpPtrAllocator ArgAllocator; ExitOnErr(errorCodeToError(sys::Process::GetArgumentVector( argv, makeArrayRef(argv_, argc_), ArgAllocator))); llvm_shutdown_obj Y; // Call llvm_shutdown() on exit. cl::ParseCommandLineOptions(argv.size(), argv.data(), "LLVM PDB Dumper\n"); if (opts::BytesSubcommand) { if (!parseRange(opts::bytes::DumpBlockRangeOpt, opts::bytes::DumpBlockRange)) { errs() << "Argument '" << opts::bytes::DumpBlockRangeOpt << "' invalid format.\n"; errs().flush(); exit(1); } if (!parseRange(opts::bytes::DumpByteRangeOpt, opts::bytes::DumpByteRange)) { errs() << "Argument '" << opts::bytes::DumpByteRangeOpt << "' invalid format.\n"; errs().flush(); exit(1); } } if (opts::DumpSubcommand) { if (opts::dump::RawAll) { opts::dump::DumpGlobals = true; opts::dump::DumpInlineeLines = true; opts::dump::DumpIds = true; opts::dump::DumpIdExtras = true; opts::dump::DumpLines = true; opts::dump::DumpModules = true; opts::dump::DumpModuleFiles = true; opts::dump::DumpPublics = true; opts::dump::DumpSectionContribs = true; opts::dump::DumpSectionHeaders = true; opts::dump::DumpSectionMap = true; opts::dump::DumpStreams = true; opts::dump::DumpStreamBlocks = true; opts::dump::DumpStringTable = true; opts::dump::DumpSummary = true; opts::dump::DumpSymbols = true; opts::dump::DumpSymbolStats = true; opts::dump::DumpTypes = true; opts::dump::DumpTypeExtras = true; opts::dump::DumpUdtStats = true; opts::dump::DumpXme = true; opts::dump::DumpXmi = true; } } if (opts::PdbToYamlSubcommand) { if (opts::pdb2yaml::All) { opts::pdb2yaml::StreamMetadata = true; opts::pdb2yaml::StreamDirectory = true; opts::pdb2yaml::PdbStream = true; opts::pdb2yaml::StringTable = true; opts::pdb2yaml::DbiStream = true; opts::pdb2yaml::TpiStream = true; opts::pdb2yaml::IpiStream = true; opts::pdb2yaml::DumpModules = true; opts::pdb2yaml::DumpModuleFiles = true; opts::pdb2yaml::DumpModuleSyms = true; opts::pdb2yaml::DumpModuleSubsections.push_back( opts::ModuleSubsection::All); } simplifyChunkList(opts::pdb2yaml::DumpModuleSubsections); if (opts::pdb2yaml::DumpModuleSyms || opts::pdb2yaml::DumpModuleFiles) opts::pdb2yaml::DumpModules = true; if (opts::pdb2yaml::DumpModules) opts::pdb2yaml::DbiStream = true; } if (opts::DiffSubcommand) { if (!opts::diff::PrintResultColumn && !opts::diff::PrintValueColumns) { llvm::errs() << "WARNING: No diff columns specified\n"; } } llvm::sys::InitializeCOMRAII COM(llvm::sys::COMThreadingMode::MultiThreaded); if (opts::PdbToYamlSubcommand) { pdb2Yaml(opts::pdb2yaml::InputFilename.front()); } else if (opts::YamlToPdbSubcommand) { if (opts::yaml2pdb::YamlPdbOutputFile.empty()) { SmallString<16> OutputFilename(opts::yaml2pdb::InputFilename.getValue()); sys::path::replace_extension(OutputFilename, ".pdb"); opts::yaml2pdb::YamlPdbOutputFile = OutputFilename.str(); } yamlToPdb(opts::yaml2pdb::InputFilename); } else if (opts::AnalyzeSubcommand) { dumpAnalysis(opts::analyze::InputFilename.front()); } else if (opts::PrettySubcommand) { if (opts::pretty::Lines) opts::pretty::Compilands = true; if (opts::pretty::All) { opts::pretty::Compilands = true; opts::pretty::Symbols = true; opts::pretty::Globals = true; opts::pretty::Types = true; opts::pretty::Externals = true; opts::pretty::Lines = true; } if (opts::pretty::Types) { opts::pretty::Classes = true; opts::pretty::Typedefs = true; opts::pretty::Enums = true; } // When adding filters for excluded compilands and types, we need to // remember that these are regexes. So special characters such as * and \ // need to be escaped in the regex. In the case of a literal \, this means // it needs to be escaped again in the C++. So matching a single \ in the // input requires 4 \es in the C++. if (opts::pretty::ExcludeCompilerGenerated) { opts::pretty::ExcludeTypes.push_back("__vc_attributes"); opts::pretty::ExcludeCompilands.push_back("\\* Linker \\*"); } if (opts::pretty::ExcludeSystemLibraries) { opts::pretty::ExcludeCompilands.push_back( "f:\\\\binaries\\\\Intermediate\\\\vctools\\\\crt_bld"); opts::pretty::ExcludeCompilands.push_back("f:\\\\dd\\\\vctools\\\\crt"); opts::pretty::ExcludeCompilands.push_back( "d:\\\\th.obj.x86fre\\\\minkernel"); } llvm::for_each(opts::pretty::InputFilenames, dumpPretty); } else if (opts::DumpSubcommand) { llvm::for_each(opts::dump::InputFilenames, dumpRaw); } else if (opts::BytesSubcommand) { llvm::for_each(opts::bytes::InputFilenames, dumpBytes); } else if (opts::DiffSubcommand) { for (StringRef S : opts::diff::RawModiEquivalences) { StringRef Left; StringRef Right; std::tie(Left, Right) = S.split(','); uint32_t X, Y; if (!to_integer(Left, X) || !to_integer(Right, Y)) { errs() << formatv("invalid value {0} specified for modi equivalence\n", S); exit(1); } opts::diff::Equivalences[X] = Y; } diff(opts::diff::Left, opts::diff::Right); } else if (opts::MergeSubcommand) { if (opts::merge::InputFilenames.size() < 2) { errs() << "merge subcommand requires at least 2 input files.\n"; exit(1); } mergePdbs(); } outs().flush(); return 0; }