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1 //===- llvm-pdbdump.cpp - Dump debug info from a PDB file -------*- C++ -*-===//
2 //
3 //                     The LLVM Compiler Infrastructure
4 //
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9 //
10 // Dumps debug information present in PDB files.
11 //
12 //===----------------------------------------------------------------------===//
13
14 #include "llvm-pdbdump.h"
15
16 #include "Analyze.h"
17 #include "Diff.h"
18 #include "LLVMOutputStyle.h"
19 #include "LinePrinter.h"
20 #include "OutputStyle.h"
21 #include "PrettyCompilandDumper.h"
22 #include "PrettyExternalSymbolDumper.h"
23 #include "PrettyFunctionDumper.h"
24 #include "PrettyTypeDumper.h"
25 #include "PrettyVariableDumper.h"
26 #include "YAMLOutputStyle.h"
27
28 #include "llvm/ADT/ArrayRef.h"
29 #include "llvm/ADT/BitVector.h"
30 #include "llvm/ADT/DenseMap.h"
31 #include "llvm/ADT/STLExtras.h"
32 #include "llvm/ADT/StringExtras.h"
33 #include "llvm/Config/config.h"
34 #include "llvm/DebugInfo/CodeView/DebugChecksumsSubsection.h"
35 #include "llvm/DebugInfo/CodeView/DebugInlineeLinesSubsection.h"
36 #include "llvm/DebugInfo/CodeView/DebugLinesSubsection.h"
37 #include "llvm/DebugInfo/CodeView/LazyRandomTypeCollection.h"
38 #include "llvm/DebugInfo/CodeView/TypeStreamMerger.h"
39 #include "llvm/DebugInfo/CodeView/TypeTableBuilder.h"
40 #include "llvm/DebugInfo/MSF/MSFBuilder.h"
41 #include "llvm/DebugInfo/PDB/GenericError.h"
42 #include "llvm/DebugInfo/PDB/IPDBEnumChildren.h"
43 #include "llvm/DebugInfo/PDB/IPDBRawSymbol.h"
44 #include "llvm/DebugInfo/PDB/IPDBSession.h"
45 #include "llvm/DebugInfo/PDB/Native/DbiModuleDescriptorBuilder.h"
46 #include "llvm/DebugInfo/PDB/Native/DbiStream.h"
47 #include "llvm/DebugInfo/PDB/Native/DbiStreamBuilder.h"
48 #include "llvm/DebugInfo/PDB/Native/InfoStream.h"
49 #include "llvm/DebugInfo/PDB/Native/InfoStreamBuilder.h"
50 #include "llvm/DebugInfo/PDB/Native/NativeSession.h"
51 #include "llvm/DebugInfo/PDB/Native/PDBFile.h"
52 #include "llvm/DebugInfo/PDB/Native/PDBFileBuilder.h"
53 #include "llvm/DebugInfo/PDB/Native/PDBStringTableBuilder.h"
54 #include "llvm/DebugInfo/PDB/Native/RawConstants.h"
55 #include "llvm/DebugInfo/PDB/Native/RawError.h"
56 #include "llvm/DebugInfo/PDB/Native/TpiStream.h"
57 #include "llvm/DebugInfo/PDB/Native/TpiStreamBuilder.h"
58 #include "llvm/DebugInfo/PDB/PDB.h"
59 #include "llvm/DebugInfo/PDB/PDBSymbolCompiland.h"
60 #include "llvm/DebugInfo/PDB/PDBSymbolData.h"
61 #include "llvm/DebugInfo/PDB/PDBSymbolExe.h"
62 #include "llvm/DebugInfo/PDB/PDBSymbolFunc.h"
63 #include "llvm/DebugInfo/PDB/PDBSymbolThunk.h"
64 #include "llvm/Support/BinaryByteStream.h"
65 #include "llvm/Support/COM.h"
66 #include "llvm/Support/CommandLine.h"
67 #include "llvm/Support/ConvertUTF.h"
68 #include "llvm/Support/FileOutputBuffer.h"
69 #include "llvm/Support/FileSystem.h"
70 #include "llvm/Support/Format.h"
71 #include "llvm/Support/ManagedStatic.h"
72 #include "llvm/Support/MemoryBuffer.h"
73 #include "llvm/Support/Path.h"
74 #include "llvm/Support/PrettyStackTrace.h"
75 #include "llvm/Support/Process.h"
76 #include "llvm/Support/Regex.h"
77 #include "llvm/Support/ScopedPrinter.h"
78 #include "llvm/Support/Signals.h"
79 #include "llvm/Support/raw_ostream.h"
80
81 using namespace llvm;
82 using namespace llvm::codeview;
83 using namespace llvm::msf;
84 using namespace llvm::pdb;
85
86 namespace opts {
87
88 cl::SubCommand RawSubcommand("raw", "Dump raw structure of the PDB file");
89 cl::SubCommand
90     PrettySubcommand("pretty",
91                      "Dump semantic information about types and symbols");
92
93 cl::SubCommand DiffSubcommand("diff", "Diff the contents of 2 PDB files");
94
95 cl::SubCommand
96     YamlToPdbSubcommand("yaml2pdb",
97                         "Generate a PDB file from a YAML description");
98 cl::SubCommand
99     PdbToYamlSubcommand("pdb2yaml",
100                         "Generate a detailed YAML description of a PDB File");
101
102 cl::SubCommand
103     AnalyzeSubcommand("analyze",
104                       "Analyze various aspects of a PDB's structure");
105
106 cl::SubCommand MergeSubcommand("merge",
107                                "Merge multiple PDBs into a single PDB");
108
109 cl::OptionCategory TypeCategory("Symbol Type Options");
110 cl::OptionCategory FilterCategory("Filtering and Sorting Options");
111 cl::OptionCategory OtherOptions("Other Options");
112
113 namespace pretty {
114 cl::list<std::string> InputFilenames(cl::Positional,
115                                      cl::desc("<input PDB files>"),
116                                      cl::OneOrMore, cl::sub(PrettySubcommand));
117
118 cl::opt<bool> Compilands("compilands", cl::desc("Display compilands"),
119                          cl::cat(TypeCategory), cl::sub(PrettySubcommand));
120 cl::opt<bool> Symbols("module-syms",
121                       cl::desc("Display symbols for each compiland"),
122                       cl::cat(TypeCategory), cl::sub(PrettySubcommand));
123 cl::opt<bool> Globals("globals", cl::desc("Dump global symbols"),
124                       cl::cat(TypeCategory), cl::sub(PrettySubcommand));
125 cl::opt<bool> Externals("externals", cl::desc("Dump external symbols"),
126                         cl::cat(TypeCategory), cl::sub(PrettySubcommand));
127 cl::list<SymLevel> SymTypes(
128     "sym-types", cl::desc("Type of symbols to dump (default all)"),
129     cl::cat(TypeCategory), cl::sub(PrettySubcommand), cl::ZeroOrMore,
130     cl::values(
131         clEnumValN(SymLevel::Thunks, "thunks", "Display thunk symbols"),
132         clEnumValN(SymLevel::Data, "data", "Display data symbols"),
133         clEnumValN(SymLevel::Functions, "funcs", "Display function symbols"),
134         clEnumValN(SymLevel::All, "all", "Display all symbols (default)")));
135
136 cl::opt<bool>
137     Types("types",
138           cl::desc("Display all types (implies -classes, -enums, -typedefs)"),
139           cl::cat(TypeCategory), cl::sub(PrettySubcommand));
140 cl::opt<bool> Classes("classes", cl::desc("Display class types"),
141                       cl::cat(TypeCategory), cl::sub(PrettySubcommand));
142 cl::opt<bool> Enums("enums", cl::desc("Display enum types"),
143                     cl::cat(TypeCategory), cl::sub(PrettySubcommand));
144 cl::opt<bool> Typedefs("typedefs", cl::desc("Display typedef types"),
145                        cl::cat(TypeCategory), cl::sub(PrettySubcommand));
146 cl::opt<SymbolSortMode> SymbolOrder(
147     "symbol-order", cl::desc("symbol sort order"),
148     cl::init(SymbolSortMode::None),
149     cl::values(clEnumValN(SymbolSortMode::None, "none",
150                           "Undefined / no particular sort order"),
151                clEnumValN(SymbolSortMode::Name, "name", "Sort symbols by name"),
152                clEnumValN(SymbolSortMode::Size, "size",
153                           "Sort symbols by size")),
154     cl::cat(TypeCategory), cl::sub(PrettySubcommand));
155
156 cl::opt<ClassSortMode> ClassOrder(
157     "class-order", cl::desc("Class sort order"), cl::init(ClassSortMode::None),
158     cl::values(
159         clEnumValN(ClassSortMode::None, "none",
160                    "Undefined / no particular sort order"),
161         clEnumValN(ClassSortMode::Name, "name", "Sort classes by name"),
162         clEnumValN(ClassSortMode::Size, "size", "Sort classes by size"),
163         clEnumValN(ClassSortMode::Padding, "padding",
164                    "Sort classes by amount of padding"),
165         clEnumValN(ClassSortMode::PaddingPct, "padding-pct",
166                    "Sort classes by percentage of space consumed by padding"),
167         clEnumValN(ClassSortMode::PaddingImmediate, "padding-imm",
168                    "Sort classes by amount of immediate padding"),
169         clEnumValN(ClassSortMode::PaddingPctImmediate, "padding-pct-imm",
170                    "Sort classes by percentage of space consumed by immediate "
171                    "padding")),
172     cl::cat(TypeCategory), cl::sub(PrettySubcommand));
173
174 cl::opt<ClassDefinitionFormat> ClassFormat(
175     "class-definitions", cl::desc("Class definition format"),
176     cl::init(ClassDefinitionFormat::All),
177     cl::values(
178         clEnumValN(ClassDefinitionFormat::All, "all",
179                    "Display all class members including data, constants, "
180                    "typedefs, functions, etc"),
181         clEnumValN(ClassDefinitionFormat::Layout, "layout",
182                    "Only display members that contribute to class size."),
183         clEnumValN(ClassDefinitionFormat::None, "none",
184                    "Don't display class definitions")),
185     cl::cat(TypeCategory), cl::sub(PrettySubcommand));
186 cl::opt<uint32_t> ClassRecursionDepth(
187     "class-recurse-depth", cl::desc("Class recursion depth (0=no limit)"),
188     cl::init(0), cl::cat(TypeCategory), cl::sub(PrettySubcommand));
189
190 cl::opt<bool> Lines("lines", cl::desc("Line tables"), cl::cat(TypeCategory),
191                     cl::sub(PrettySubcommand));
192 cl::opt<bool>
193     All("all", cl::desc("Implies all other options in 'Symbol Types' category"),
194         cl::cat(TypeCategory), cl::sub(PrettySubcommand));
195
196 cl::opt<uint64_t> LoadAddress(
197     "load-address",
198     cl::desc("Assume the module is loaded at the specified address"),
199     cl::cat(OtherOptions), cl::sub(PrettySubcommand));
200 cl::opt<bool> Native("native", cl::desc("Use native PDB reader instead of DIA"),
201                      cl::cat(OtherOptions), cl::sub(PrettySubcommand));
202 cl::opt<cl::boolOrDefault>
203     ColorOutput("color-output",
204                 cl::desc("Override use of color (default = isatty)"),
205                 cl::cat(OtherOptions), cl::sub(PrettySubcommand));
206 cl::list<std::string> ExcludeTypes(
207     "exclude-types", cl::desc("Exclude types by regular expression"),
208     cl::ZeroOrMore, cl::cat(FilterCategory), cl::sub(PrettySubcommand));
209 cl::list<std::string> ExcludeSymbols(
210     "exclude-symbols", cl::desc("Exclude symbols by regular expression"),
211     cl::ZeroOrMore, cl::cat(FilterCategory), cl::sub(PrettySubcommand));
212 cl::list<std::string> ExcludeCompilands(
213     "exclude-compilands", cl::desc("Exclude compilands by regular expression"),
214     cl::ZeroOrMore, cl::cat(FilterCategory), cl::sub(PrettySubcommand));
215
216 cl::list<std::string> IncludeTypes(
217     "include-types",
218     cl::desc("Include only types which match a regular expression"),
219     cl::ZeroOrMore, cl::cat(FilterCategory), cl::sub(PrettySubcommand));
220 cl::list<std::string> IncludeSymbols(
221     "include-symbols",
222     cl::desc("Include only symbols which match a regular expression"),
223     cl::ZeroOrMore, cl::cat(FilterCategory), cl::sub(PrettySubcommand));
224 cl::list<std::string> IncludeCompilands(
225     "include-compilands",
226     cl::desc("Include only compilands those which match a regular expression"),
227     cl::ZeroOrMore, cl::cat(FilterCategory), cl::sub(PrettySubcommand));
228 cl::opt<uint32_t> SizeThreshold(
229     "min-type-size", cl::desc("Displays only those types which are greater "
230                               "than or equal to the specified size."),
231     cl::init(0), cl::cat(FilterCategory), cl::sub(PrettySubcommand));
232 cl::opt<uint32_t> PaddingThreshold(
233     "min-class-padding", cl::desc("Displays only those classes which have at "
234                                   "least the specified amount of padding."),
235     cl::init(0), cl::cat(FilterCategory), cl::sub(PrettySubcommand));
236 cl::opt<uint32_t> ImmediatePaddingThreshold(
237     "min-class-padding-imm",
238     cl::desc("Displays only those classes which have at least the specified "
239              "amount of immediate padding, ignoring padding internal to bases "
240              "and aggregates."),
241     cl::init(0), cl::cat(FilterCategory), cl::sub(PrettySubcommand));
242
243 cl::opt<bool> ExcludeCompilerGenerated(
244     "no-compiler-generated",
245     cl::desc("Don't show compiler generated types and symbols"),
246     cl::cat(FilterCategory), cl::sub(PrettySubcommand));
247 cl::opt<bool>
248     ExcludeSystemLibraries("no-system-libs",
249                            cl::desc("Don't show symbols from system libraries"),
250                            cl::cat(FilterCategory), cl::sub(PrettySubcommand));
251
252 cl::opt<bool> NoEnumDefs("no-enum-definitions",
253                          cl::desc("Don't display full enum definitions"),
254                          cl::cat(FilterCategory), cl::sub(PrettySubcommand));
255 }
256
257 namespace diff {
258 cl::opt<bool> Pedantic("pedantic",
259                        cl::desc("Finds all differences (even structural ones "
260                                 "that produce otherwise identical PDBs)"),
261                        cl::sub(DiffSubcommand));
262
263 cl::list<std::string> InputFilenames(cl::Positional,
264                                      cl::desc("<first> <second>"),
265                                      cl::OneOrMore, cl::sub(DiffSubcommand));
266 }
267
268 namespace raw {
269
270 cl::OptionCategory MsfOptions("MSF Container Options");
271 cl::OptionCategory TypeOptions("Type Record Options");
272 cl::OptionCategory FileOptions("Module & File Options");
273 cl::OptionCategory SymbolOptions("Symbol Options");
274 cl::OptionCategory MiscOptions("Miscellaneous Options");
275
276 // MSF OPTIONS
277 cl::opt<bool> DumpHeaders("headers", cl::desc("dump PDB headers"),
278                           cl::cat(MsfOptions), cl::sub(RawSubcommand));
279 cl::opt<bool> DumpStreamBlocks("stream-blocks",
280                                cl::desc("dump PDB stream blocks"),
281                                cl::cat(MsfOptions), cl::sub(RawSubcommand));
282 cl::opt<bool> DumpStreamSummary("stream-summary",
283                                 cl::desc("dump summary of the PDB streams"),
284                                 cl::cat(MsfOptions), cl::sub(RawSubcommand));
285 cl::opt<bool> DumpPageStats(
286     "page-stats",
287     cl::desc("dump allocation stats of the pages in the MSF file"),
288     cl::cat(MsfOptions), cl::sub(RawSubcommand));
289 cl::opt<std::string>
290     DumpBlockRangeOpt("block-data", cl::value_desc("start[-end]"),
291                       cl::desc("Dump binary data from specified range."),
292                       cl::cat(MsfOptions), cl::sub(RawSubcommand));
293 llvm::Optional<BlockRange> DumpBlockRange;
294
295 cl::list<std::string>
296     DumpStreamData("stream-data", cl::CommaSeparated, cl::ZeroOrMore,
297                    cl::desc("Dump binary data from specified streams.  Format "
298                             "is SN[:Start][@Size]"),
299                    cl::cat(MsfOptions), cl::sub(RawSubcommand));
300
301 // TYPE OPTIONS
302 cl::opt<bool>
303     CompactRecords("compact-records",
304                    cl::desc("Dump type and symbol records with less detail"),
305                    cl::cat(TypeOptions), cl::sub(RawSubcommand));
306
307 cl::opt<bool>
308     DumpTpiRecords("tpi-records",
309                    cl::desc("dump CodeView type records from TPI stream"),
310                    cl::cat(TypeOptions), cl::sub(RawSubcommand));
311 cl::opt<bool> DumpTpiRecordBytes(
312     "tpi-record-bytes",
313     cl::desc("dump CodeView type record raw bytes from TPI stream"),
314     cl::cat(TypeOptions), cl::sub(RawSubcommand));
315 cl::opt<bool> DumpTpiHash("tpi-hash", cl::desc("dump CodeView TPI hash stream"),
316                           cl::cat(TypeOptions), cl::sub(RawSubcommand));
317 cl::opt<bool>
318     DumpIpiRecords("ipi-records",
319                    cl::desc("dump CodeView type records from IPI stream"),
320                    cl::cat(TypeOptions), cl::sub(RawSubcommand));
321 cl::opt<bool> DumpIpiRecordBytes(
322     "ipi-record-bytes",
323     cl::desc("dump CodeView type record raw bytes from IPI stream"),
324     cl::cat(TypeOptions), cl::sub(RawSubcommand));
325
326 // MODULE & FILE OPTIONS
327 cl::opt<bool> DumpModules("modules", cl::desc("dump compiland information"),
328                           cl::cat(FileOptions), cl::sub(RawSubcommand));
329 cl::opt<bool> DumpModuleFiles("module-files", cl::desc("dump file information"),
330                               cl::cat(FileOptions), cl::sub(RawSubcommand));
331 cl::opt<bool> DumpLineInfo("line-info",
332                            cl::desc("dump file and line information"),
333                            cl::cat(FileOptions), cl::sub(RawSubcommand));
334
335 // SYMBOL OPTIONS
336 cl::opt<bool> DumpGlobals("globals", cl::desc("dump globals stream data"),
337                           cl::cat(SymbolOptions), cl::sub(RawSubcommand));
338 cl::opt<bool> DumpModuleSyms("module-syms", cl::desc("dump module symbols"),
339                              cl::cat(SymbolOptions), cl::sub(RawSubcommand));
340 cl::opt<bool> DumpPublics("publics", cl::desc("dump Publics stream data"),
341                           cl::cat(SymbolOptions), cl::sub(RawSubcommand));
342 cl::opt<bool>
343     DumpSymRecordBytes("sym-record-bytes",
344                        cl::desc("dump CodeView symbol record raw bytes"),
345                        cl::cat(SymbolOptions), cl::sub(RawSubcommand));
346
347 // MISCELLANEOUS OPTIONS
348 cl::opt<bool> DumpStringTable("string-table", cl::desc("dump PDB String Table"),
349                               cl::cat(MiscOptions), cl::sub(RawSubcommand));
350
351 cl::opt<bool> DumpSectionContribs("section-contribs",
352                                   cl::desc("dump section contributions"),
353                                   cl::cat(MiscOptions), cl::sub(RawSubcommand));
354 cl::opt<bool> DumpSectionMap("section-map", cl::desc("dump section map"),
355                              cl::cat(MiscOptions), cl::sub(RawSubcommand));
356 cl::opt<bool> DumpSectionHeaders("section-headers",
357                                  cl::desc("dump section headers"),
358                                  cl::cat(MiscOptions), cl::sub(RawSubcommand));
359 cl::opt<bool> DumpFpo("fpo", cl::desc("dump FPO records"), cl::cat(MiscOptions),
360                       cl::sub(RawSubcommand));
361
362 cl::opt<bool> RawAll("all", cl::desc("Implies most other options."),
363                      cl::cat(MiscOptions), cl::sub(RawSubcommand));
364
365 cl::list<std::string> InputFilenames(cl::Positional,
366                                      cl::desc("<input PDB files>"),
367                                      cl::OneOrMore, cl::sub(RawSubcommand));
368 }
369
370 namespace yaml2pdb {
371 cl::opt<std::string>
372     YamlPdbOutputFile("pdb", cl::desc("the name of the PDB file to write"),
373                       cl::sub(YamlToPdbSubcommand));
374
375 cl::opt<std::string> InputFilename(cl::Positional,
376                                    cl::desc("<input YAML file>"), cl::Required,
377                                    cl::sub(YamlToPdbSubcommand));
378 }
379
380 namespace pdb2yaml {
381 cl::opt<bool> All("all",
382                   cl::desc("Dump everything we know how to dump."),
383                   cl::sub(PdbToYamlSubcommand), cl::init(false));
384 cl::opt<bool>
385     NoFileHeaders("no-file-headers",
386                   cl::desc("Do not dump MSF file headers (you will not be able "
387                            "to generate a fresh PDB from the resulting YAML)"),
388                   cl::sub(PdbToYamlSubcommand), cl::init(false));
389 cl::opt<bool> Minimal("minimal",
390                       cl::desc("Don't write fields with default values"),
391                       cl::sub(PdbToYamlSubcommand), cl::init(false));
392
393 cl::opt<bool> StreamMetadata(
394     "stream-metadata",
395     cl::desc("Dump the number of streams and each stream's size"),
396     cl::sub(PdbToYamlSubcommand), cl::init(false));
397 cl::opt<bool> StreamDirectory(
398     "stream-directory",
399     cl::desc("Dump each stream's block map (implies -stream-metadata)"),
400     cl::sub(PdbToYamlSubcommand), cl::init(false));
401 cl::opt<bool> PdbStream("pdb-stream",
402                         cl::desc("Dump the PDB Stream (Stream 1)"),
403                         cl::sub(PdbToYamlSubcommand), cl::init(false));
404
405 cl::opt<bool> StringTable("string-table", cl::desc("Dump the PDB String Table"),
406                           cl::sub(PdbToYamlSubcommand), cl::init(false));
407
408 cl::opt<bool> DbiStream("dbi-stream",
409                         cl::desc("Dump the DBI Stream (Stream 2)"),
410                         cl::sub(PdbToYamlSubcommand), cl::init(false));
411 cl::opt<bool>
412     DbiModuleInfo("dbi-module-info",
413                   cl::desc("Dump DBI Module Information (implies -dbi-stream)"),
414                   cl::sub(PdbToYamlSubcommand), cl::init(false));
415
416 cl::opt<bool> DbiModuleSyms(
417     "dbi-module-syms",
418     cl::desc("Dump DBI Module Information (implies -dbi-module-info)"),
419     cl::sub(PdbToYamlSubcommand), cl::init(false));
420
421 cl::opt<bool> DbiModuleSourceFileInfo(
422     "dbi-module-source-info",
423     cl::desc(
424         "Dump DBI Module Source File Information (implies -dbi-module-info)"),
425     cl::sub(PdbToYamlSubcommand), cl::init(false));
426
427 cl::opt<bool>
428     DbiModuleSourceLineInfo("dbi-module-lines",
429                             cl::desc("Dump DBI Module Source Line Information "
430                                      "(implies -dbi-module-source-info)"),
431                             cl::sub(PdbToYamlSubcommand), cl::init(false));
432
433 cl::opt<bool> TpiStream("tpi-stream",
434                         cl::desc("Dump the TPI Stream (Stream 3)"),
435                         cl::sub(PdbToYamlSubcommand), cl::init(false));
436
437 cl::opt<bool> IpiStream("ipi-stream",
438                         cl::desc("Dump the IPI Stream (Stream 5)"),
439                         cl::sub(PdbToYamlSubcommand), cl::init(false));
440
441 cl::list<std::string> InputFilename(cl::Positional,
442                                     cl::desc("<input PDB file>"), cl::Required,
443                                     cl::sub(PdbToYamlSubcommand));
444 }
445
446 namespace analyze {
447 cl::opt<bool> StringTable("hash-collisions", cl::desc("Find hash collisions"),
448                           cl::sub(AnalyzeSubcommand), cl::init(false));
449 cl::list<std::string> InputFilename(cl::Positional,
450                                     cl::desc("<input PDB file>"), cl::Required,
451                                     cl::sub(AnalyzeSubcommand));
452 }
453
454 namespace merge {
455 cl::list<std::string> InputFilenames(cl::Positional,
456                                      cl::desc("<input PDB files>"),
457                                      cl::OneOrMore, cl::sub(MergeSubcommand));
458 cl::opt<std::string>
459     PdbOutputFile("pdb", cl::desc("the name of the PDB file to write"),
460                   cl::sub(MergeSubcommand));
461 }
462 }
463
464 static ExitOnError ExitOnErr;
465
466 static void yamlToPdb(StringRef Path) {
467   BumpPtrAllocator Allocator;
468   ErrorOr<std::unique_ptr<MemoryBuffer>> ErrorOrBuffer =
469       MemoryBuffer::getFileOrSTDIN(Path, /*FileSize=*/-1,
470                                    /*RequiresNullTerminator=*/false);
471
472   if (ErrorOrBuffer.getError()) {
473     ExitOnErr(make_error<GenericError>(generic_error_code::invalid_path, Path));
474   }
475
476   std::unique_ptr<MemoryBuffer> &Buffer = ErrorOrBuffer.get();
477
478   llvm::yaml::Input In(Buffer->getBuffer());
479   In.setContext(&Allocator);
480   pdb::yaml::PdbObject YamlObj(Allocator);
481   In >> YamlObj;
482
483   PDBFileBuilder Builder(Allocator);
484
485   uint32_t BlockSize = 4096;
486   if (YamlObj.Headers.hasValue())
487     BlockSize = YamlObj.Headers->SuperBlock.BlockSize;
488   ExitOnErr(Builder.initialize(BlockSize));
489   // Add each of the reserved streams.  We ignore stream metadata in the
490   // yaml, because we will reconstruct our own view of the streams.  For
491   // example, the YAML may say that there were 20 streams in the original
492   // PDB, but maybe we only dump a subset of those 20 streams, so we will
493   // have fewer, and the ones we do have may end up with different indices
494   // than the ones in the original PDB.  So we just start with a clean slate.
495   for (uint32_t I = 0; I < kSpecialStreamCount; ++I)
496     ExitOnErr(Builder.getMsfBuilder().addStream(0));
497
498   if (YamlObj.StringTable.hasValue()) {
499     auto &Strings = Builder.getStringTableBuilder();
500     for (auto S : *YamlObj.StringTable)
501       Strings.insert(S);
502   }
503
504   pdb::yaml::PdbInfoStream DefaultInfoStream;
505   pdb::yaml::PdbDbiStream DefaultDbiStream;
506   pdb::yaml::PdbTpiStream DefaultTpiStream;
507   pdb::yaml::PdbTpiStream DefaultIpiStream;
508
509   const auto &Info = YamlObj.PdbStream.getValueOr(DefaultInfoStream);
510
511   auto &InfoBuilder = Builder.getInfoBuilder();
512   InfoBuilder.setAge(Info.Age);
513   InfoBuilder.setGuid(Info.Guid);
514   InfoBuilder.setSignature(Info.Signature);
515   InfoBuilder.setVersion(Info.Version);
516   for (auto F : Info.Features)
517     InfoBuilder.addFeature(F);
518
519   auto &Strings = Builder.getStringTableBuilder().getStrings();
520
521   const auto &Dbi = YamlObj.DbiStream.getValueOr(DefaultDbiStream);
522   auto &DbiBuilder = Builder.getDbiBuilder();
523   DbiBuilder.setAge(Dbi.Age);
524   DbiBuilder.setBuildNumber(Dbi.BuildNumber);
525   DbiBuilder.setFlags(Dbi.Flags);
526   DbiBuilder.setMachineType(Dbi.MachineType);
527   DbiBuilder.setPdbDllRbld(Dbi.PdbDllRbld);
528   DbiBuilder.setPdbDllVersion(Dbi.PdbDllVersion);
529   DbiBuilder.setVersionHeader(Dbi.VerHeader);
530   for (const auto &MI : Dbi.ModInfos) {
531     auto &ModiBuilder = ExitOnErr(DbiBuilder.addModuleInfo(MI.Mod));
532     ModiBuilder.setObjFileName(MI.Obj);
533
534     for (auto S : MI.SourceFiles)
535       ExitOnErr(DbiBuilder.addModuleSourceFile(MI.Mod, S));
536     if (MI.Modi.hasValue()) {
537       const auto &ModiStream = *MI.Modi;
538       for (auto Symbol : ModiStream.Symbols)
539         ModiBuilder.addSymbol(Symbol.toCodeViewSymbol(Allocator));
540     }
541     if (MI.FileLineInfo.hasValue()) {
542       const auto &FLI = *MI.FileLineInfo;
543
544       // File Checksums must be emitted before line information, because line
545       // info records use offsets into the checksum buffer to reference a file's
546       // source file name.
547       auto Checksums = llvm::make_unique<DebugChecksumsSubsection>(Strings);
548       auto &ChecksumRef = *Checksums;
549       if (!FLI.FileChecksums.empty()) {
550         for (auto &FC : FLI.FileChecksums)
551           Checksums->addChecksum(FC.FileName, FC.Kind, FC.ChecksumBytes.Bytes);
552       }
553       ModiBuilder.setC13FileChecksums(std::move(Checksums));
554
555       for (const auto &Fragment : FLI.LineFragments) {
556         auto Lines =
557             llvm::make_unique<DebugLinesSubsection>(ChecksumRef, Strings);
558         Lines->setCodeSize(Fragment.CodeSize);
559         Lines->setRelocationAddress(Fragment.RelocSegment,
560                                     Fragment.RelocOffset);
561         Lines->setFlags(Fragment.Flags);
562         for (const auto &LC : Fragment.Blocks) {
563           Lines->createBlock(LC.FileName);
564           if (Lines->hasColumnInfo()) {
565             for (const auto &Item : zip(LC.Lines, LC.Columns)) {
566               auto &L = std::get<0>(Item);
567               auto &C = std::get<1>(Item);
568               uint32_t LE = L.LineStart + L.EndDelta;
569               Lines->addLineAndColumnInfo(
570                   L.Offset, LineInfo(L.LineStart, LE, L.IsStatement),
571                   C.StartColumn, C.EndColumn);
572             }
573           } else {
574             for (const auto &L : LC.Lines) {
575               uint32_t LE = L.LineStart + L.EndDelta;
576               Lines->addLineInfo(L.Offset,
577                                  LineInfo(L.LineStart, LE, L.IsStatement));
578             }
579           }
580         }
581         ModiBuilder.addC13Fragment(std::move(Lines));
582       }
583
584       for (const auto &Inlinee : FLI.Inlinees) {
585         auto Inlinees = llvm::make_unique<DebugInlineeLinesSubsection>(
586             ChecksumRef, Inlinee.HasExtraFiles);
587         for (const auto &Site : Inlinee.Sites) {
588           Inlinees->addInlineSite(TypeIndex(Site.Inlinee), Site.FileName,
589                                   Site.SourceLineNum);
590           if (!Inlinee.HasExtraFiles)
591             continue;
592
593           for (auto EF : Site.ExtraFiles) {
594             Inlinees->addExtraFile(EF);
595           }
596         }
597         ModiBuilder.addC13Fragment(std::move(Inlinees));
598       }
599     }
600   }
601
602   auto &TpiBuilder = Builder.getTpiBuilder();
603   const auto &Tpi = YamlObj.TpiStream.getValueOr(DefaultTpiStream);
604   TpiBuilder.setVersionHeader(Tpi.Version);
605   for (const auto &R : Tpi.Records) {
606     CVType Type = R.toCodeViewRecord(Allocator);
607     TpiBuilder.addTypeRecord(Type.RecordData, None);
608   }
609
610   const auto &Ipi = YamlObj.IpiStream.getValueOr(DefaultIpiStream);
611   auto &IpiBuilder = Builder.getIpiBuilder();
612   IpiBuilder.setVersionHeader(Ipi.Version);
613   for (const auto &R : Ipi.Records) {
614     CVType Type = R.toCodeViewRecord(Allocator);
615     IpiBuilder.addTypeRecord(Type.RecordData, None);
616   }
617
618   ExitOnErr(Builder.commit(opts::yaml2pdb::YamlPdbOutputFile));
619 }
620
621 static PDBFile &loadPDB(StringRef Path, std::unique_ptr<IPDBSession> &Session) {
622   ExitOnErr(loadDataForPDB(PDB_ReaderType::Native, Path, Session));
623
624   NativeSession *NS = static_cast<NativeSession *>(Session.get());
625   return NS->getPDBFile();
626 }
627
628 static void pdb2Yaml(StringRef Path) {
629   std::unique_ptr<IPDBSession> Session;
630   auto &File = loadPDB(Path, Session);
631
632   auto O = llvm::make_unique<YAMLOutputStyle>(File);
633   O = llvm::make_unique<YAMLOutputStyle>(File);
634
635   ExitOnErr(O->dump());
636 }
637
638 static void dumpRaw(StringRef Path) {
639   std::unique_ptr<IPDBSession> Session;
640   auto &File = loadPDB(Path, Session);
641
642   auto O = llvm::make_unique<LLVMOutputStyle>(File);
643
644   ExitOnErr(O->dump());
645 }
646
647 static void dumpAnalysis(StringRef Path) {
648   std::unique_ptr<IPDBSession> Session;
649   auto &File = loadPDB(Path, Session);
650   auto O = llvm::make_unique<AnalysisStyle>(File);
651
652   ExitOnErr(O->dump());
653 }
654
655 static void diff(StringRef Path1, StringRef Path2) {
656   std::unique_ptr<IPDBSession> Session1;
657   std::unique_ptr<IPDBSession> Session2;
658
659   auto &File1 = loadPDB(Path1, Session1);
660   auto &File2 = loadPDB(Path2, Session2);
661
662   auto O = llvm::make_unique<DiffStyle>(File1, File2);
663
664   ExitOnErr(O->dump());
665 }
666
667 bool opts::pretty::shouldDumpSymLevel(SymLevel Search) {
668   if (SymTypes.empty())
669     return true;
670   if (llvm::find(SymTypes, Search) != SymTypes.end())
671     return true;
672   if (llvm::find(SymTypes, SymLevel::All) != SymTypes.end())
673     return true;
674   return false;
675 }
676
677 uint32_t llvm::pdb::getTypeLength(const PDBSymbolData &Symbol) {
678   auto SymbolType = Symbol.getType();
679   const IPDBRawSymbol &RawType = SymbolType->getRawSymbol();
680
681   return RawType.getLength();
682 }
683
684 bool opts::pretty::compareFunctionSymbols(
685     const std::unique_ptr<PDBSymbolFunc> &F1,
686     const std::unique_ptr<PDBSymbolFunc> &F2) {
687   assert(opts::pretty::SymbolOrder != opts::pretty::SymbolSortMode::None);
688
689   if (opts::pretty::SymbolOrder == opts::pretty::SymbolSortMode::Name)
690     return F1->getName() < F2->getName();
691
692   // Note that we intentionally sort in descending order on length, since
693   // long functions are more interesting than short functions.
694   return F1->getLength() > F2->getLength();
695 }
696
697 bool opts::pretty::compareDataSymbols(
698     const std::unique_ptr<PDBSymbolData> &F1,
699     const std::unique_ptr<PDBSymbolData> &F2) {
700   assert(opts::pretty::SymbolOrder != opts::pretty::SymbolSortMode::None);
701
702   if (opts::pretty::SymbolOrder == opts::pretty::SymbolSortMode::Name)
703     return F1->getName() < F2->getName();
704
705   // Note that we intentionally sort in descending order on length, since
706   // large types are more interesting than short ones.
707   return getTypeLength(*F1) > getTypeLength(*F2);
708 }
709
710 static void dumpPretty(StringRef Path) {
711   std::unique_ptr<IPDBSession> Session;
712
713   const auto ReaderType =
714       opts::pretty::Native ? PDB_ReaderType::Native : PDB_ReaderType::DIA;
715   ExitOnErr(loadDataForPDB(ReaderType, Path, Session));
716
717   if (opts::pretty::LoadAddress)
718     Session->setLoadAddress(opts::pretty::LoadAddress);
719
720   auto &Stream = outs();
721   const bool UseColor = opts::pretty::ColorOutput == cl::BOU_UNSET
722                             ? Stream.has_colors()
723                             : opts::pretty::ColorOutput == cl::BOU_TRUE;
724   LinePrinter Printer(2, UseColor, Stream);
725
726   auto GlobalScope(Session->getGlobalScope());
727   std::string FileName(GlobalScope->getSymbolsFileName());
728
729   WithColor(Printer, PDB_ColorItem::None).get() << "Summary for ";
730   WithColor(Printer, PDB_ColorItem::Path).get() << FileName;
731   Printer.Indent();
732   uint64_t FileSize = 0;
733
734   Printer.NewLine();
735   WithColor(Printer, PDB_ColorItem::Identifier).get() << "Size";
736   if (!sys::fs::file_size(FileName, FileSize)) {
737     Printer << ": " << FileSize << " bytes";
738   } else {
739     Printer << ": (Unable to obtain file size)";
740   }
741
742   Printer.NewLine();
743   WithColor(Printer, PDB_ColorItem::Identifier).get() << "Guid";
744   Printer << ": " << GlobalScope->getGuid();
745
746   Printer.NewLine();
747   WithColor(Printer, PDB_ColorItem::Identifier).get() << "Age";
748   Printer << ": " << GlobalScope->getAge();
749
750   Printer.NewLine();
751   WithColor(Printer, PDB_ColorItem::Identifier).get() << "Attributes";
752   Printer << ": ";
753   if (GlobalScope->hasCTypes())
754     outs() << "HasCTypes ";
755   if (GlobalScope->hasPrivateSymbols())
756     outs() << "HasPrivateSymbols ";
757   Printer.Unindent();
758
759   if (opts::pretty::Compilands) {
760     Printer.NewLine();
761     WithColor(Printer, PDB_ColorItem::SectionHeader).get()
762         << "---COMPILANDS---";
763     Printer.Indent();
764     auto Compilands = GlobalScope->findAllChildren<PDBSymbolCompiland>();
765     CompilandDumper Dumper(Printer);
766     CompilandDumpFlags options = CompilandDumper::Flags::None;
767     if (opts::pretty::Lines)
768       options = options | CompilandDumper::Flags::Lines;
769     while (auto Compiland = Compilands->getNext())
770       Dumper.start(*Compiland, options);
771     Printer.Unindent();
772   }
773
774   if (opts::pretty::Classes || opts::pretty::Enums || opts::pretty::Typedefs) {
775     Printer.NewLine();
776     WithColor(Printer, PDB_ColorItem::SectionHeader).get() << "---TYPES---";
777     Printer.Indent();
778     TypeDumper Dumper(Printer);
779     Dumper.start(*GlobalScope);
780     Printer.Unindent();
781   }
782
783   if (opts::pretty::Symbols) {
784     Printer.NewLine();
785     WithColor(Printer, PDB_ColorItem::SectionHeader).get() << "---SYMBOLS---";
786     Printer.Indent();
787     auto Compilands = GlobalScope->findAllChildren<PDBSymbolCompiland>();
788     CompilandDumper Dumper(Printer);
789     while (auto Compiland = Compilands->getNext())
790       Dumper.start(*Compiland, true);
791     Printer.Unindent();
792   }
793
794   if (opts::pretty::Globals) {
795     Printer.NewLine();
796     WithColor(Printer, PDB_ColorItem::SectionHeader).get() << "---GLOBALS---";
797     Printer.Indent();
798     if (shouldDumpSymLevel(opts::pretty::SymLevel::Functions)) {
799       FunctionDumper Dumper(Printer);
800       auto Functions = GlobalScope->findAllChildren<PDBSymbolFunc>();
801       if (opts::pretty::SymbolOrder == opts::pretty::SymbolSortMode::None) {
802         while (auto Function = Functions->getNext()) {
803           Printer.NewLine();
804           Dumper.start(*Function, FunctionDumper::PointerType::None);
805         }
806       } else {
807         std::vector<std::unique_ptr<PDBSymbolFunc>> Funcs;
808         while (auto Func = Functions->getNext())
809           Funcs.push_back(std::move(Func));
810         std::sort(Funcs.begin(), Funcs.end(),
811                   opts::pretty::compareFunctionSymbols);
812         for (const auto &Func : Funcs) {
813           Printer.NewLine();
814           Dumper.start(*Func, FunctionDumper::PointerType::None);
815         }
816       }
817     }
818     if (shouldDumpSymLevel(opts::pretty::SymLevel::Data)) {
819       auto Vars = GlobalScope->findAllChildren<PDBSymbolData>();
820       VariableDumper Dumper(Printer);
821       if (opts::pretty::SymbolOrder == opts::pretty::SymbolSortMode::None) {
822         while (auto Var = Vars->getNext())
823           Dumper.start(*Var);
824       } else {
825         std::vector<std::unique_ptr<PDBSymbolData>> Datas;
826         while (auto Var = Vars->getNext())
827           Datas.push_back(std::move(Var));
828         std::sort(Datas.begin(), Datas.end(), opts::pretty::compareDataSymbols);
829         for (const auto &Var : Datas)
830           Dumper.start(*Var);
831       }
832     }
833     if (shouldDumpSymLevel(opts::pretty::SymLevel::Thunks)) {
834       auto Thunks = GlobalScope->findAllChildren<PDBSymbolThunk>();
835       CompilandDumper Dumper(Printer);
836       while (auto Thunk = Thunks->getNext())
837         Dumper.dump(*Thunk);
838     }
839     Printer.Unindent();
840   }
841   if (opts::pretty::Externals) {
842     Printer.NewLine();
843     WithColor(Printer, PDB_ColorItem::SectionHeader).get() << "---EXTERNALS---";
844     Printer.Indent();
845     ExternalSymbolDumper Dumper(Printer);
846     Dumper.start(*GlobalScope);
847   }
848   if (opts::pretty::Lines) {
849     Printer.NewLine();
850   }
851   outs().flush();
852 }
853
854 static void mergePdbs() {
855   BumpPtrAllocator Allocator;
856   TypeTableBuilder MergedTpi(Allocator);
857   TypeTableBuilder MergedIpi(Allocator);
858
859   // Create a Tpi and Ipi type table with all types from all input files.
860   for (const auto &Path : opts::merge::InputFilenames) {
861     std::unique_ptr<IPDBSession> Session;
862     auto &File = loadPDB(Path, Session);
863     SmallVector<TypeIndex, 128> TypeMap;
864     SmallVector<TypeIndex, 128> IdMap;
865     if (File.hasPDBTpiStream()) {
866       auto &Tpi = ExitOnErr(File.getPDBTpiStream());
867       ExitOnErr(codeview::mergeTypeRecords(MergedTpi, TypeMap, nullptr,
868                                            Tpi.typeArray()));
869     }
870     if (File.hasPDBIpiStream()) {
871       auto &Ipi = ExitOnErr(File.getPDBIpiStream());
872       ExitOnErr(codeview::mergeIdRecords(MergedIpi, TypeMap, IdMap,
873                                          Ipi.typeArray()));
874     }
875   }
876
877   // Then write the PDB.
878   PDBFileBuilder Builder(Allocator);
879   ExitOnErr(Builder.initialize(4096));
880   // Add each of the reserved streams.  We might not put any data in them,
881   // but at least they have to be present.
882   for (uint32_t I = 0; I < kSpecialStreamCount; ++I)
883     ExitOnErr(Builder.getMsfBuilder().addStream(0));
884
885   auto &DestTpi = Builder.getTpiBuilder();
886   auto &DestIpi = Builder.getIpiBuilder();
887   MergedTpi.ForEachRecord([&DestTpi](TypeIndex TI, ArrayRef<uint8_t> Data) {
888     DestTpi.addTypeRecord(Data, None);
889   });
890   MergedIpi.ForEachRecord([&DestIpi](TypeIndex TI, ArrayRef<uint8_t> Data) {
891     DestIpi.addTypeRecord(Data, None);
892   });
893
894   SmallString<64> OutFile(opts::merge::PdbOutputFile);
895   if (OutFile.empty()) {
896     OutFile = opts::merge::InputFilenames[0];
897     llvm::sys::path::replace_extension(OutFile, "merged.pdb");
898   }
899   ExitOnErr(Builder.commit(OutFile));
900 }
901
902 int main(int argc_, const char *argv_[]) {
903   // Print a stack trace if we signal out.
904   sys::PrintStackTraceOnErrorSignal(argv_[0]);
905   PrettyStackTraceProgram X(argc_, argv_);
906
907   ExitOnErr.setBanner("llvm-pdbdump: ");
908
909   SmallVector<const char *, 256> argv;
910   SpecificBumpPtrAllocator<char> ArgAllocator;
911   ExitOnErr(errorCodeToError(sys::Process::GetArgumentVector(
912       argv, makeArrayRef(argv_, argc_), ArgAllocator)));
913
914   llvm_shutdown_obj Y; // Call llvm_shutdown() on exit.
915
916   cl::ParseCommandLineOptions(argv.size(), argv.data(), "LLVM PDB Dumper\n");
917   if (!opts::raw::DumpBlockRangeOpt.empty()) {
918     llvm::Regex R("^([0-9]+)(-([0-9]+))?$");
919     llvm::SmallVector<llvm::StringRef, 2> Matches;
920     if (!R.match(opts::raw::DumpBlockRangeOpt, &Matches)) {
921       errs() << "Argument '" << opts::raw::DumpBlockRangeOpt
922              << "' invalid format.\n";
923       errs().flush();
924       exit(1);
925     }
926     opts::raw::DumpBlockRange.emplace();
927     Matches[1].getAsInteger(10, opts::raw::DumpBlockRange->Min);
928     if (!Matches[3].empty()) {
929       opts::raw::DumpBlockRange->Max.emplace();
930       Matches[3].getAsInteger(10, *opts::raw::DumpBlockRange->Max);
931     }
932   }
933
934   if (opts::RawSubcommand) {
935     if (opts::raw::RawAll) {
936       opts::raw::DumpHeaders = true;
937       opts::raw::DumpModules = true;
938       opts::raw::DumpModuleFiles = true;
939       opts::raw::DumpModuleSyms = true;
940       opts::raw::DumpGlobals = true;
941       opts::raw::DumpPublics = true;
942       opts::raw::DumpSectionHeaders = true;
943       opts::raw::DumpStreamSummary = true;
944       opts::raw::DumpPageStats = true;
945       opts::raw::DumpStreamBlocks = true;
946       opts::raw::DumpTpiRecords = true;
947       opts::raw::DumpTpiHash = true;
948       opts::raw::DumpIpiRecords = true;
949       opts::raw::DumpSectionMap = true;
950       opts::raw::DumpSectionContribs = true;
951       opts::raw::DumpLineInfo = true;
952       opts::raw::DumpFpo = true;
953       opts::raw::DumpStringTable = true;
954     }
955
956     if (opts::raw::CompactRecords &&
957         (opts::raw::DumpTpiRecordBytes || opts::raw::DumpIpiRecordBytes)) {
958       errs() << "-compact-records is incompatible with -tpi-record-bytes and "
959                 "-ipi-record-bytes.\n";
960       exit(1);
961     }
962   }
963
964   llvm::sys::InitializeCOMRAII COM(llvm::sys::COMThreadingMode::MultiThreaded);
965
966   if (opts::PdbToYamlSubcommand) {
967     pdb2Yaml(opts::pdb2yaml::InputFilename.front());
968   } else if (opts::YamlToPdbSubcommand) {
969     if (opts::yaml2pdb::YamlPdbOutputFile.empty()) {
970       SmallString<16> OutputFilename(opts::yaml2pdb::InputFilename.getValue());
971       sys::path::replace_extension(OutputFilename, ".pdb");
972       opts::yaml2pdb::YamlPdbOutputFile = OutputFilename.str();
973     }
974     yamlToPdb(opts::yaml2pdb::InputFilename);
975   } else if (opts::AnalyzeSubcommand) {
976     dumpAnalysis(opts::analyze::InputFilename.front());
977   } else if (opts::PrettySubcommand) {
978     if (opts::pretty::Lines)
979       opts::pretty::Compilands = true;
980
981     if (opts::pretty::All) {
982       opts::pretty::Compilands = true;
983       opts::pretty::Symbols = true;
984       opts::pretty::Globals = true;
985       opts::pretty::Types = true;
986       opts::pretty::Externals = true;
987       opts::pretty::Lines = true;
988     }
989
990     if (opts::pretty::Types) {
991       opts::pretty::Classes = true;
992       opts::pretty::Typedefs = true;
993       opts::pretty::Enums = true;
994     }
995
996     // When adding filters for excluded compilands and types, we need to
997     // remember that these are regexes.  So special characters such as * and \
998     // need to be escaped in the regex.  In the case of a literal \, this means
999     // it needs to be escaped again in the C++.  So matching a single \ in the
1000     // input requires 4 \es in the C++.
1001     if (opts::pretty::ExcludeCompilerGenerated) {
1002       opts::pretty::ExcludeTypes.push_back("__vc_attributes");
1003       opts::pretty::ExcludeCompilands.push_back("\\* Linker \\*");
1004     }
1005     if (opts::pretty::ExcludeSystemLibraries) {
1006       opts::pretty::ExcludeCompilands.push_back(
1007           "f:\\\\binaries\\\\Intermediate\\\\vctools\\\\crt_bld");
1008       opts::pretty::ExcludeCompilands.push_back("f:\\\\dd\\\\vctools\\\\crt");
1009       opts::pretty::ExcludeCompilands.push_back(
1010           "d:\\\\th.obj.x86fre\\\\minkernel");
1011     }
1012     std::for_each(opts::pretty::InputFilenames.begin(),
1013                   opts::pretty::InputFilenames.end(), dumpPretty);
1014   } else if (opts::RawSubcommand) {
1015     std::for_each(opts::raw::InputFilenames.begin(),
1016                   opts::raw::InputFilenames.end(), dumpRaw);
1017   } else if (opts::DiffSubcommand) {
1018     if (opts::diff::InputFilenames.size() != 2) {
1019       errs() << "diff subcommand expects exactly 2 arguments.\n";
1020       exit(1);
1021     }
1022     diff(opts::diff::InputFilenames[0], opts::diff::InputFilenames[1]);
1023   } else if (opts::MergeSubcommand) {
1024     if (opts::merge::InputFilenames.size() < 2) {
1025       errs() << "merge subcommand requires at least 2 input files.\n";
1026       exit(1);
1027     }
1028     mergePdbs();
1029   }
1030
1031   outs().flush();
1032   return 0;
1033 }