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[DAGCombiner] Eliminate dead stores to stack.
[llvm-complete.git] / tools / llvm-readobj / COFFDumper.cpp
blob85bbe8d7b84f26d5a464a8155a00343e56b2b846
1 //===-- COFFDumper.cpp - COFF-specific dumper -------------------*- C++ -*-===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8 ///
9 /// \file
10 /// This file implements the COFF-specific dumper for llvm-readobj.
11 ///
12 //===----------------------------------------------------------------------===//
13
14 #include "ARMWinEHPrinter.h"
15 #include "Error.h"
16 #include "ObjDumper.h"
17 #include "StackMapPrinter.h"
18 #include "Win64EHDumper.h"
19 #include "llvm-readobj.h"
20 #include "llvm/ADT/DenseMap.h"
21 #include "llvm/ADT/SmallString.h"
22 #include "llvm/ADT/StringExtras.h"
23 #include "llvm/BinaryFormat/COFF.h"
24 #include "llvm/DebugInfo/CodeView/CVTypeVisitor.h"
25 #include "llvm/DebugInfo/CodeView/CodeView.h"
26 #include "llvm/DebugInfo/CodeView/DebugChecksumsSubsection.h"
27 #include "llvm/DebugInfo/CodeView/DebugFrameDataSubsection.h"
28 #include "llvm/DebugInfo/CodeView/DebugInlineeLinesSubsection.h"
29 #include "llvm/DebugInfo/CodeView/DebugLinesSubsection.h"
30 #include "llvm/DebugInfo/CodeView/DebugStringTableSubsection.h"
31 #include "llvm/DebugInfo/CodeView/LazyRandomTypeCollection.h"
32 #include "llvm/DebugInfo/CodeView/Line.h"
33 #include "llvm/DebugInfo/CodeView/MergingTypeTableBuilder.h"
34 #include "llvm/DebugInfo/CodeView/RecordSerialization.h"
35 #include "llvm/DebugInfo/CodeView/SymbolDumpDelegate.h"
36 #include "llvm/DebugInfo/CodeView/SymbolDumper.h"
37 #include "llvm/DebugInfo/CodeView/SymbolRecord.h"
38 #include "llvm/DebugInfo/CodeView/TypeDumpVisitor.h"
39 #include "llvm/DebugInfo/CodeView/TypeHashing.h"
40 #include "llvm/DebugInfo/CodeView/TypeIndex.h"
41 #include "llvm/DebugInfo/CodeView/TypeRecord.h"
42 #include "llvm/DebugInfo/CodeView/TypeStreamMerger.h"
43 #include "llvm/DebugInfo/CodeView/TypeTableCollection.h"
44 #include "llvm/Object/COFF.h"
45 #include "llvm/Object/ObjectFile.h"
46 #include "llvm/Support/BinaryStreamReader.h"
47 #include "llvm/Support/Casting.h"
48 #include "llvm/Support/Compiler.h"
49 #include "llvm/Support/ConvertUTF.h"
50 #include "llvm/Support/FormatVariadic.h"
51 #include "llvm/Support/ScopedPrinter.h"
52 #include "llvm/Support/LEB128.h"
53 #include "llvm/Support/Win64EH.h"
54 #include "llvm/Support/raw_ostream.h"
55
56 using namespace llvm;
57 using namespace llvm::object;
58 using namespace llvm::codeview;
59 using namespace llvm::support;
60 using namespace llvm::Win64EH;
61
62 namespace {
63
64 struct LoadConfigTables {
65 uint64_t SEHTableVA = 0;
66 uint64_t SEHTableCount = 0;
67 uint32_t GuardFlags = 0;
68 uint64_t GuardFidTableVA = 0;
69 uint64_t GuardFidTableCount = 0;
70 uint64_t GuardLJmpTableVA = 0;
71 uint64_t GuardLJmpTableCount = 0;
72 };
73
74 class COFFDumper : public ObjDumper {
75 public:
76 friend class COFFObjectDumpDelegate;
77 COFFDumper(const llvm::object::COFFObjectFile *Obj, ScopedPrinter &Writer)
78 : ObjDumper(Writer), Obj(Obj), Writer(Writer), Types(100) {}
79
80 void printFileHeaders() override;
81 void printSectionHeaders() override;
82 void printRelocations() override;
83 void printUnwindInfo() override;
84
85 void printNeededLibraries() override;
86
87 void printCOFFImports() override;
88 void printCOFFExports() override;
89 void printCOFFDirectives() override;
90 void printCOFFBaseReloc() override;
91 void printCOFFDebugDirectory() override;
92 void printCOFFResources() override;
93 void printCOFFLoadConfig() override;
94 void printCodeViewDebugInfo() override;
95 void mergeCodeViewTypes(llvm::codeview::MergingTypeTableBuilder &CVIDs,
96 llvm::codeview::MergingTypeTableBuilder &CVTypes,
97 llvm::codeview::GlobalTypeTableBuilder &GlobalCVIDs,
98 llvm::codeview::GlobalTypeTableBuilder &GlobalCVTypes,
99 bool GHash) override;
100 void printStackMap() const override;
101 void printAddrsig() override;
102 private:
103 void printSymbols() override;
104 void printDynamicSymbols() override;
105 void printSymbol(const SymbolRef &Sym);
106 void printRelocation(const SectionRef &Section, const RelocationRef &Reloc,
107 uint64_t Bias = 0);
108 void printDataDirectory(uint32_t Index, const std::string &FieldName);
109
110 void printDOSHeader(const dos_header *DH);
111 template <class PEHeader> void printPEHeader(const PEHeader *Hdr);
112 void printBaseOfDataField(const pe32_header *Hdr);
113 void printBaseOfDataField(const pe32plus_header *Hdr);
114 template <typename T>
115 void printCOFFLoadConfig(const T *Conf, LoadConfigTables &Tables);
116 typedef void (*PrintExtraCB)(raw_ostream &, const uint8_t *);
117 void printRVATable(uint64_t TableVA, uint64_t Count, uint64_t EntrySize,
118 PrintExtraCB PrintExtra = 0);
119
120 void printCodeViewSymbolSection(StringRef SectionName, const SectionRef &Section);
121 void printCodeViewTypeSection(StringRef SectionName, const SectionRef &Section);
122 StringRef getTypeName(TypeIndex Ty);
123 StringRef getFileNameForFileOffset(uint32_t FileOffset);
124 void printFileNameForOffset(StringRef Label, uint32_t FileOffset);
125 void printTypeIndex(StringRef FieldName, TypeIndex TI) {
126 // Forward to CVTypeDumper for simplicity.
127 codeview::printTypeIndex(Writer, FieldName, TI, Types);
128 }
129
130 void printCodeViewSymbolsSubsection(StringRef Subsection,
131 const SectionRef &Section,
132 StringRef SectionContents);
133
134 void printCodeViewFileChecksums(StringRef Subsection);
135
136 void printCodeViewInlineeLines(StringRef Subsection);
137
138 void printRelocatedField(StringRef Label, const coff_section *Sec,
139 uint32_t RelocOffset, uint32_t Offset,
140 StringRef *RelocSym = nullptr);
141
142 uint32_t countTotalTableEntries(ResourceSectionRef RSF,
143 const coff_resource_dir_table &Table,
144 StringRef Level);
145
146 void printResourceDirectoryTable(ResourceSectionRef RSF,
147 const coff_resource_dir_table &Table,
148 StringRef Level);
149
150 void printBinaryBlockWithRelocs(StringRef Label, const SectionRef &Sec,
151 StringRef SectionContents, StringRef Block);
152
153 /// Given a .debug$S section, find the string table and file checksum table.
154 void initializeFileAndStringTables(BinaryStreamReader &Reader);
155
156 void cacheRelocations();
157
158 std::error_code resolveSymbol(const coff_section *Section, uint64_t Offset,
159 SymbolRef &Sym);
160 std::error_code resolveSymbolName(const coff_section *Section,
161 uint64_t Offset, StringRef &Name);
162 std::error_code resolveSymbolName(const coff_section *Section,
163 StringRef SectionContents,
164 const void *RelocPtr, StringRef &Name);
165 void printImportedSymbols(iterator_range<imported_symbol_iterator> Range);
166 void printDelayImportedSymbols(
167 const DelayImportDirectoryEntryRef &I,
168 iterator_range<imported_symbol_iterator> Range);
169 ErrorOr<const coff_resource_dir_entry &>
170 getResourceDirectoryTableEntry(const coff_resource_dir_table &Table,
171 uint32_t Index);
172
173 typedef DenseMap<const coff_section*, std::vector<RelocationRef> > RelocMapTy;
174
175 const llvm::object::COFFObjectFile *Obj;
176 bool RelocCached = false;
177 RelocMapTy RelocMap;
178
179 DebugChecksumsSubsectionRef CVFileChecksumTable;
180
181 DebugStringTableSubsectionRef CVStringTable;
182
183 /// Track the compilation CPU type. S_COMPILE3 symbol records typically come
184 /// first, but if we don't see one, just assume an X64 CPU type. It is common.
185 CPUType CompilationCPUType = CPUType::X64;
186
187 ScopedPrinter &Writer;
188 BinaryByteStream TypeContents;
189 LazyRandomTypeCollection Types;
190 };
191
192 class COFFObjectDumpDelegate : public SymbolDumpDelegate {
193 public:
194 COFFObjectDumpDelegate(COFFDumper &CD, const SectionRef &SR,
195 const COFFObjectFile *Obj, StringRef SectionContents)
196 : CD(CD), SR(SR), SectionContents(SectionContents) {
197 Sec = Obj->getCOFFSection(SR);
198 }
199
200 uint32_t getRecordOffset(BinaryStreamReader Reader) override {
201 ArrayRef<uint8_t> Data;
202 if (auto EC = Reader.readLongestContiguousChunk(Data)) {
203 llvm::consumeError(std::move(EC));
204 return 0;
205 }
206 return Data.data() - SectionContents.bytes_begin();
207 }
208
209 void printRelocatedField(StringRef Label, uint32_t RelocOffset,
210 uint32_t Offset, StringRef *RelocSym) override {
211 CD.printRelocatedField(Label, Sec, RelocOffset, Offset, RelocSym);
212 }
213
214 void printBinaryBlockWithRelocs(StringRef Label,
215 ArrayRef<uint8_t> Block) override {
216 StringRef SBlock(reinterpret_cast<const char *>(Block.data()),
217 Block.size());
218 if (opts::CodeViewSubsectionBytes)
219 CD.printBinaryBlockWithRelocs(Label, SR, SectionContents, SBlock);
220 }
221
222 StringRef getFileNameForFileOffset(uint32_t FileOffset) override {
223 return CD.getFileNameForFileOffset(FileOffset);
224 }
225
226 DebugStringTableSubsectionRef getStringTable() override {
227 return CD.CVStringTable;
228 }
229
230 private:
231 COFFDumper &CD;
232 const SectionRef &SR;
233 const coff_section *Sec;
234 StringRef SectionContents;
235 };
236
237 } // end namespace
238
239 namespace llvm {
240
241 std::error_code createCOFFDumper(const object::ObjectFile *Obj,
242 ScopedPrinter &Writer,
243 std::unique_ptr<ObjDumper> &Result) {
244 const COFFObjectFile *COFFObj = dyn_cast<COFFObjectFile>(Obj);
245 if (!COFFObj)
246 return readobj_error::unsupported_obj_file_format;
247
248 Result.reset(new COFFDumper(COFFObj, Writer));
249 return readobj_error::success;
250 }
251
252 } // namespace llvm
253
254 // Given a section and an offset into this section the function returns the
255 // symbol used for the relocation at the offset.
256 std::error_code COFFDumper::resolveSymbol(const coff_section *Section,
257 uint64_t Offset, SymbolRef &Sym) {
258 cacheRelocations();
259 const auto &Relocations = RelocMap[Section];
260 auto SymI = Obj->symbol_end();
261 for (const auto &Relocation : Relocations) {
262 uint64_t RelocationOffset = Relocation.getOffset();
263
264 if (RelocationOffset == Offset) {
265 SymI = Relocation.getSymbol();
266 break;
267 }
268 }
269 if (SymI == Obj->symbol_end())
270 return readobj_error::unknown_symbol;
271 Sym = *SymI;
272 return readobj_error::success;
273 }
274
275 // Given a section and an offset into this section the function returns the name
276 // of the symbol used for the relocation at the offset.
277 std::error_code COFFDumper::resolveSymbolName(const coff_section *Section,
278 uint64_t Offset,
279 StringRef &Name) {
280 SymbolRef Symbol;
281 if (std::error_code EC = resolveSymbol(Section, Offset, Symbol))
282 return EC;
283 Expected<StringRef> NameOrErr = Symbol.getName();
284 if (!NameOrErr)
285 return errorToErrorCode(NameOrErr.takeError());
286 Name = *NameOrErr;
287 return std::error_code();
288 }
289
290 // Helper for when you have a pointer to real data and you want to know about
291 // relocations against it.
292 std::error_code COFFDumper::resolveSymbolName(const coff_section *Section,
293 StringRef SectionContents,
294 const void *RelocPtr,
295 StringRef &Name) {
296 assert(SectionContents.data() < RelocPtr &&
297 RelocPtr < SectionContents.data() + SectionContents.size() &&
298 "pointer to relocated object is not in section");
299 uint64_t Offset = ptrdiff_t(reinterpret_cast<const char *>(RelocPtr) -
300 SectionContents.data());
301 return resolveSymbolName(Section, Offset, Name);
302 }
303
304 void COFFDumper::printRelocatedField(StringRef Label, const coff_section *Sec,
305 uint32_t RelocOffset, uint32_t Offset,
306 StringRef *RelocSym) {
307 StringRef SymStorage;
308 StringRef &Symbol = RelocSym ? *RelocSym : SymStorage;
309 if (!resolveSymbolName(Sec, RelocOffset, Symbol))
310 W.printSymbolOffset(Label, Symbol, Offset);
311 else
312 W.printHex(Label, RelocOffset);
313 }
314
315 void COFFDumper::printBinaryBlockWithRelocs(StringRef Label,
316 const SectionRef &Sec,
317 StringRef SectionContents,
318 StringRef Block) {
319 W.printBinaryBlock(Label, Block);
320
321 assert(SectionContents.begin() < Block.begin() &&
322 SectionContents.end() >= Block.end() &&
323 "Block is not contained in SectionContents");
324 uint64_t OffsetStart = Block.data() - SectionContents.data();
325 uint64_t OffsetEnd = OffsetStart + Block.size();
326
327 W.flush();
328 cacheRelocations();
329 ListScope D(W, "BlockRelocations");
330 const coff_section *Section = Obj->getCOFFSection(Sec);
331 const auto &Relocations = RelocMap[Section];
332 for (const auto &Relocation : Relocations) {
333 uint64_t RelocationOffset = Relocation.getOffset();
334 if (OffsetStart <= RelocationOffset && RelocationOffset < OffsetEnd)
335 printRelocation(Sec, Relocation, OffsetStart);
336 }
337 }
338
339 static const EnumEntry<COFF::MachineTypes> ImageFileMachineType[] = {
340 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_UNKNOWN ),
341 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_AM33 ),
342 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_AMD64 ),
343 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_ARM ),
344 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_ARM64 ),
345 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_ARMNT ),
346 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_EBC ),
347 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_I386 ),
348 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_IA64 ),
349 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_M32R ),
350 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_MIPS16 ),
351 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_MIPSFPU ),
352 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_MIPSFPU16),
353 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_POWERPC ),
354 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_POWERPCFP),
355 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_R4000 ),
356 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_SH3 ),
357 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_SH3DSP ),
358 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_SH4 ),
359 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_SH5 ),
360 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_THUMB ),
361 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_WCEMIPSV2)
362 };
363
364 static const EnumEntry<COFF::Characteristics> ImageFileCharacteristics[] = {
365 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_RELOCS_STRIPPED ),
366 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_EXECUTABLE_IMAGE ),
367 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_LINE_NUMS_STRIPPED ),
368 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_LOCAL_SYMS_STRIPPED ),
369 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_AGGRESSIVE_WS_TRIM ),
370 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_LARGE_ADDRESS_AWARE ),
371 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_BYTES_REVERSED_LO ),
372 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_32BIT_MACHINE ),
373 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_DEBUG_STRIPPED ),
374 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_REMOVABLE_RUN_FROM_SWAP),
375 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_NET_RUN_FROM_SWAP ),
376 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_SYSTEM ),
377 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_DLL ),
378 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_UP_SYSTEM_ONLY ),
379 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_BYTES_REVERSED_HI )
380 };
381
382 static const EnumEntry<COFF::WindowsSubsystem> PEWindowsSubsystem[] = {
383 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SUBSYSTEM_UNKNOWN ),
384 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SUBSYSTEM_NATIVE ),
385 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SUBSYSTEM_WINDOWS_GUI ),
386 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SUBSYSTEM_WINDOWS_CUI ),
387 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SUBSYSTEM_POSIX_CUI ),
388 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SUBSYSTEM_WINDOWS_CE_GUI ),
389 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SUBSYSTEM_EFI_APPLICATION ),
390 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SUBSYSTEM_EFI_BOOT_SERVICE_DRIVER),
391 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SUBSYSTEM_EFI_RUNTIME_DRIVER ),
392 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SUBSYSTEM_EFI_ROM ),
393 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SUBSYSTEM_XBOX ),
394 };
395
396 static const EnumEntry<COFF::DLLCharacteristics> PEDLLCharacteristics[] = {
397 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_DLL_CHARACTERISTICS_HIGH_ENTROPY_VA ),
398 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_DLL_CHARACTERISTICS_DYNAMIC_BASE ),
399 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_DLL_CHARACTERISTICS_FORCE_INTEGRITY ),
400 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_DLL_CHARACTERISTICS_NX_COMPAT ),
401 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_DLL_CHARACTERISTICS_NO_ISOLATION ),
402 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_DLL_CHARACTERISTICS_NO_SEH ),
403 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_DLL_CHARACTERISTICS_NO_BIND ),
404 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_DLL_CHARACTERISTICS_APPCONTAINER ),
405 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_DLL_CHARACTERISTICS_WDM_DRIVER ),
406 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_DLL_CHARACTERISTICS_GUARD_CF ),
407 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_DLL_CHARACTERISTICS_TERMINAL_SERVER_AWARE),
408 };
409
410 static const EnumEntry<COFF::SectionCharacteristics>
411 ImageSectionCharacteristics[] = {
412 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_TYPE_NOLOAD ),
413 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_TYPE_NO_PAD ),
414 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_CNT_CODE ),
415 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_CNT_INITIALIZED_DATA ),
416 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_CNT_UNINITIALIZED_DATA),
417 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_LNK_OTHER ),
418 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_LNK_INFO ),
419 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_LNK_REMOVE ),
420 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_LNK_COMDAT ),
421 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_GPREL ),
422 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_MEM_PURGEABLE ),
423 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_MEM_16BIT ),
424 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_MEM_LOCKED ),
425 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_MEM_PRELOAD ),
426 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_ALIGN_1BYTES ),
427 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_ALIGN_2BYTES ),
428 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_ALIGN_4BYTES ),
429 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_ALIGN_8BYTES ),
430 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_ALIGN_16BYTES ),
431 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_ALIGN_32BYTES ),
432 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_ALIGN_64BYTES ),
433 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_ALIGN_128BYTES ),
434 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_ALIGN_256BYTES ),
435 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_ALIGN_512BYTES ),
436 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_ALIGN_1024BYTES ),
437 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_ALIGN_2048BYTES ),
438 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_ALIGN_4096BYTES ),
439 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_ALIGN_8192BYTES ),
440 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_LNK_NRELOC_OVFL ),
441 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_MEM_DISCARDABLE ),
442 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_MEM_NOT_CACHED ),
443 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_MEM_NOT_PAGED ),
444 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_MEM_SHARED ),
445 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_MEM_EXECUTE ),
446 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_MEM_READ ),
447 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_MEM_WRITE )
448 };
449
450 static const EnumEntry<COFF::SymbolBaseType> ImageSymType[] = {
451 { "Null" , COFF::IMAGE_SYM_TYPE_NULL },
452 { "Void" , COFF::IMAGE_SYM_TYPE_VOID },
453 { "Char" , COFF::IMAGE_SYM_TYPE_CHAR },
454 { "Short" , COFF::IMAGE_SYM_TYPE_SHORT },
455 { "Int" , COFF::IMAGE_SYM_TYPE_INT },
456 { "Long" , COFF::IMAGE_SYM_TYPE_LONG },
457 { "Float" , COFF::IMAGE_SYM_TYPE_FLOAT },
458 { "Double", COFF::IMAGE_SYM_TYPE_DOUBLE },
459 { "Struct", COFF::IMAGE_SYM_TYPE_STRUCT },
460 { "Union" , COFF::IMAGE_SYM_TYPE_UNION },
461 { "Enum" , COFF::IMAGE_SYM_TYPE_ENUM },
462 { "MOE" , COFF::IMAGE_SYM_TYPE_MOE },
463 { "Byte" , COFF::IMAGE_SYM_TYPE_BYTE },
464 { "Word" , COFF::IMAGE_SYM_TYPE_WORD },
465 { "UInt" , COFF::IMAGE_SYM_TYPE_UINT },
466 { "DWord" , COFF::IMAGE_SYM_TYPE_DWORD }
467 };
468
469 static const EnumEntry<COFF::SymbolComplexType> ImageSymDType[] = {
470 { "Null" , COFF::IMAGE_SYM_DTYPE_NULL },
471 { "Pointer" , COFF::IMAGE_SYM_DTYPE_POINTER },
472 { "Function", COFF::IMAGE_SYM_DTYPE_FUNCTION },
473 { "Array" , COFF::IMAGE_SYM_DTYPE_ARRAY }
474 };
475
476 static const EnumEntry<COFF::SymbolStorageClass> ImageSymClass[] = {
477 { "EndOfFunction" , COFF::IMAGE_SYM_CLASS_END_OF_FUNCTION },
478 { "Null" , COFF::IMAGE_SYM_CLASS_NULL },
479 { "Automatic" , COFF::IMAGE_SYM_CLASS_AUTOMATIC },
480 { "External" , COFF::IMAGE_SYM_CLASS_EXTERNAL },
481 { "Static" , COFF::IMAGE_SYM_CLASS_STATIC },
482 { "Register" , COFF::IMAGE_SYM_CLASS_REGISTER },
483 { "ExternalDef" , COFF::IMAGE_SYM_CLASS_EXTERNAL_DEF },
484 { "Label" , COFF::IMAGE_SYM_CLASS_LABEL },
485 { "UndefinedLabel" , COFF::IMAGE_SYM_CLASS_UNDEFINED_LABEL },
486 { "MemberOfStruct" , COFF::IMAGE_SYM_CLASS_MEMBER_OF_STRUCT },
487 { "Argument" , COFF::IMAGE_SYM_CLASS_ARGUMENT },
488 { "StructTag" , COFF::IMAGE_SYM_CLASS_STRUCT_TAG },
489 { "MemberOfUnion" , COFF::IMAGE_SYM_CLASS_MEMBER_OF_UNION },
490 { "UnionTag" , COFF::IMAGE_SYM_CLASS_UNION_TAG },
491 { "TypeDefinition" , COFF::IMAGE_SYM_CLASS_TYPE_DEFINITION },
492 { "UndefinedStatic", COFF::IMAGE_SYM_CLASS_UNDEFINED_STATIC },
493 { "EnumTag" , COFF::IMAGE_SYM_CLASS_ENUM_TAG },
494 { "MemberOfEnum" , COFF::IMAGE_SYM_CLASS_MEMBER_OF_ENUM },
495 { "RegisterParam" , COFF::IMAGE_SYM_CLASS_REGISTER_PARAM },
496 { "BitField" , COFF::IMAGE_SYM_CLASS_BIT_FIELD },
497 { "Block" , COFF::IMAGE_SYM_CLASS_BLOCK },
498 { "Function" , COFF::IMAGE_SYM_CLASS_FUNCTION },
499 { "EndOfStruct" , COFF::IMAGE_SYM_CLASS_END_OF_STRUCT },
500 { "File" , COFF::IMAGE_SYM_CLASS_FILE },
501 { "Section" , COFF::IMAGE_SYM_CLASS_SECTION },
502 { "WeakExternal" , COFF::IMAGE_SYM_CLASS_WEAK_EXTERNAL },
503 { "CLRToken" , COFF::IMAGE_SYM_CLASS_CLR_TOKEN }
504 };
505
506 static const EnumEntry<COFF::COMDATType> ImageCOMDATSelect[] = {
507 { "NoDuplicates", COFF::IMAGE_COMDAT_SELECT_NODUPLICATES },
508 { "Any" , COFF::IMAGE_COMDAT_SELECT_ANY },
509 { "SameSize" , COFF::IMAGE_COMDAT_SELECT_SAME_SIZE },
510 { "ExactMatch" , COFF::IMAGE_COMDAT_SELECT_EXACT_MATCH },
511 { "Associative" , COFF::IMAGE_COMDAT_SELECT_ASSOCIATIVE },
512 { "Largest" , COFF::IMAGE_COMDAT_SELECT_LARGEST },
513 { "Newest" , COFF::IMAGE_COMDAT_SELECT_NEWEST }
514 };
515
516 static const EnumEntry<COFF::DebugType> ImageDebugType[] = {
517 { "Unknown" , COFF::IMAGE_DEBUG_TYPE_UNKNOWN },
518 { "COFF" , COFF::IMAGE_DEBUG_TYPE_COFF },
519 { "CodeView" , COFF::IMAGE_DEBUG_TYPE_CODEVIEW },
520 { "FPO" , COFF::IMAGE_DEBUG_TYPE_FPO },
521 { "Misc" , COFF::IMAGE_DEBUG_TYPE_MISC },
522 { "Exception" , COFF::IMAGE_DEBUG_TYPE_EXCEPTION },
523 { "Fixup" , COFF::IMAGE_DEBUG_TYPE_FIXUP },
524 { "OmapToSrc" , COFF::IMAGE_DEBUG_TYPE_OMAP_TO_SRC },
525 { "OmapFromSrc", COFF::IMAGE_DEBUG_TYPE_OMAP_FROM_SRC },
526 { "Borland" , COFF::IMAGE_DEBUG_TYPE_BORLAND },
527 { "Reserved10" , COFF::IMAGE_DEBUG_TYPE_RESERVED10 },
528 { "CLSID" , COFF::IMAGE_DEBUG_TYPE_CLSID },
529 { "VCFeature" , COFF::IMAGE_DEBUG_TYPE_VC_FEATURE },
530 { "POGO" , COFF::IMAGE_DEBUG_TYPE_POGO },
531 { "ILTCG" , COFF::IMAGE_DEBUG_TYPE_ILTCG },
532 { "MPX" , COFF::IMAGE_DEBUG_TYPE_MPX },
533 { "Repro" , COFF::IMAGE_DEBUG_TYPE_REPRO },
534 };
535
536 static const EnumEntry<COFF::WeakExternalCharacteristics>
537 WeakExternalCharacteristics[] = {
538 { "NoLibrary", COFF::IMAGE_WEAK_EXTERN_SEARCH_NOLIBRARY },
539 { "Library" , COFF::IMAGE_WEAK_EXTERN_SEARCH_LIBRARY },
540 { "Alias" , COFF::IMAGE_WEAK_EXTERN_SEARCH_ALIAS }
541 };
542
543 static const EnumEntry<uint32_t> SubSectionTypes[] = {
544 LLVM_READOBJ_ENUM_CLASS_ENT(DebugSubsectionKind, Symbols),
545 LLVM_READOBJ_ENUM_CLASS_ENT(DebugSubsectionKind, Lines),
546 LLVM_READOBJ_ENUM_CLASS_ENT(DebugSubsectionKind, StringTable),
547 LLVM_READOBJ_ENUM_CLASS_ENT(DebugSubsectionKind, FileChecksums),
548 LLVM_READOBJ_ENUM_CLASS_ENT(DebugSubsectionKind, FrameData),
549 LLVM_READOBJ_ENUM_CLASS_ENT(DebugSubsectionKind, InlineeLines),
550 LLVM_READOBJ_ENUM_CLASS_ENT(DebugSubsectionKind, CrossScopeImports),
551 LLVM_READOBJ_ENUM_CLASS_ENT(DebugSubsectionKind, CrossScopeExports),
552 LLVM_READOBJ_ENUM_CLASS_ENT(DebugSubsectionKind, ILLines),
553 LLVM_READOBJ_ENUM_CLASS_ENT(DebugSubsectionKind, FuncMDTokenMap),
554 LLVM_READOBJ_ENUM_CLASS_ENT(DebugSubsectionKind, TypeMDTokenMap),
555 LLVM_READOBJ_ENUM_CLASS_ENT(DebugSubsectionKind, MergedAssemblyInput),
556 LLVM_READOBJ_ENUM_CLASS_ENT(DebugSubsectionKind, CoffSymbolRVA),
557 };
558
559 static const EnumEntry<uint32_t> FrameDataFlags[] = {
560 LLVM_READOBJ_ENUM_ENT(FrameData, HasSEH),
561 LLVM_READOBJ_ENUM_ENT(FrameData, HasEH),
562 LLVM_READOBJ_ENUM_ENT(FrameData, IsFunctionStart),
563 };
564
565 static const EnumEntry<uint8_t> FileChecksumKindNames[] = {
566 LLVM_READOBJ_ENUM_CLASS_ENT(FileChecksumKind, None),
567 LLVM_READOBJ_ENUM_CLASS_ENT(FileChecksumKind, MD5),
568 LLVM_READOBJ_ENUM_CLASS_ENT(FileChecksumKind, SHA1),
569 LLVM_READOBJ_ENUM_CLASS_ENT(FileChecksumKind, SHA256),
570 };
571
572 static const EnumEntry<COFF::ResourceTypeID> ResourceTypeNames[]{
573 {"kRT_CURSOR (ID 1)", COFF::RID_Cursor},
574 {"kRT_BITMAP (ID 2)", COFF::RID_Bitmap},
575 {"kRT_ICON (ID 3)", COFF::RID_Icon},
576 {"kRT_MENU (ID 4)", COFF::RID_Menu},
577 {"kRT_DIALOG (ID 5)", COFF::RID_Dialog},
578 {"kRT_STRING (ID 6)", COFF::RID_String},
579 {"kRT_FONTDIR (ID 7)", COFF::RID_FontDir},
580 {"kRT_FONT (ID 8)", COFF::RID_Font},
581 {"kRT_ACCELERATOR (ID 9)", COFF::RID_Accelerator},
582 {"kRT_RCDATA (ID 10)", COFF::RID_RCData},
583 {"kRT_MESSAGETABLE (ID 11)", COFF::RID_MessageTable},
584 {"kRT_GROUP_CURSOR (ID 12)", COFF::RID_Group_Cursor},
585 {"kRT_GROUP_ICON (ID 14)", COFF::RID_Group_Icon},
586 {"kRT_VERSION (ID 16)", COFF::RID_Version},
587 {"kRT_DLGINCLUDE (ID 17)", COFF::RID_DLGInclude},
588 {"kRT_PLUGPLAY (ID 19)", COFF::RID_PlugPlay},
589 {"kRT_VXD (ID 20)", COFF::RID_VXD},
590 {"kRT_ANICURSOR (ID 21)", COFF::RID_AniCursor},
591 {"kRT_ANIICON (ID 22)", COFF::RID_AniIcon},
592 {"kRT_HTML (ID 23)", COFF::RID_HTML},
593 {"kRT_MANIFEST (ID 24)", COFF::RID_Manifest}};
594
595 template <typename T>
596 static std::error_code getSymbolAuxData(const COFFObjectFile *Obj,
597 COFFSymbolRef Symbol,
598 uint8_t AuxSymbolIdx, const T *&Aux) {
599 ArrayRef<uint8_t> AuxData = Obj->getSymbolAuxData(Symbol);
600 AuxData = AuxData.slice(AuxSymbolIdx * Obj->getSymbolTableEntrySize());
601 Aux = reinterpret_cast<const T*>(AuxData.data());
602 return readobj_error::success;
603 }
604
605 void COFFDumper::cacheRelocations() {
606 if (RelocCached)
607 return;
608 RelocCached = true;
609
610 for (const SectionRef &S : Obj->sections()) {
611 const coff_section *Section = Obj->getCOFFSection(S);
612
613 for (const RelocationRef &Reloc : S.relocations())
614 RelocMap[Section].push_back(Reloc);
615
616 // Sort relocations by address.
617 llvm::sort(RelocMap[Section], relocAddressLess);
618 }
619 }
620
621 void COFFDumper::printDataDirectory(uint32_t Index, const std::string &FieldName) {
622 const data_directory *Data;
623 if (Obj->getDataDirectory(Index, Data))
624 return;
625 W.printHex(FieldName + "RVA", Data->RelativeVirtualAddress);
626 W.printHex(FieldName + "Size", Data->Size);
627 }
628
629 void COFFDumper::printFileHeaders() {
630 time_t TDS = Obj->getTimeDateStamp();
631 char FormattedTime[20] = { };
632 strftime(FormattedTime, 20, "%Y-%m-%d %H:%M:%S", gmtime(&TDS));
633
634 {
635 DictScope D(W, "ImageFileHeader");
636 W.printEnum ("Machine", Obj->getMachine(),
637 makeArrayRef(ImageFileMachineType));
638 W.printNumber("SectionCount", Obj->getNumberOfSections());
639 W.printHex ("TimeDateStamp", FormattedTime, Obj->getTimeDateStamp());
640 W.printHex ("PointerToSymbolTable", Obj->getPointerToSymbolTable());
641 W.printNumber("SymbolCount", Obj->getNumberOfSymbols());
642 W.printNumber("OptionalHeaderSize", Obj->getSizeOfOptionalHeader());
643 W.printFlags ("Characteristics", Obj->getCharacteristics(),
644 makeArrayRef(ImageFileCharacteristics));
645 }
646
647 // Print PE header. This header does not exist if this is an object file and
648 // not an executable.
649 const pe32_header *PEHeader = nullptr;
650 error(Obj->getPE32Header(PEHeader));
651 if (PEHeader)
652 printPEHeader<pe32_header>(PEHeader);
653
654 const pe32plus_header *PEPlusHeader = nullptr;
655 error(Obj->getPE32PlusHeader(PEPlusHeader));
656 if (PEPlusHeader)
657 printPEHeader<pe32plus_header>(PEPlusHeader);
658
659 if (const dos_header *DH = Obj->getDOSHeader())
660 printDOSHeader(DH);
661 }
662
663 void COFFDumper::printDOSHeader(const dos_header *DH) {
664 DictScope D(W, "DOSHeader");
665 W.printString("Magic", StringRef(DH->Magic, sizeof(DH->Magic)));
666 W.printNumber("UsedBytesInTheLastPage", DH->UsedBytesInTheLastPage);
667 W.printNumber("FileSizeInPages", DH->FileSizeInPages);
668 W.printNumber("NumberOfRelocationItems", DH->NumberOfRelocationItems);
669 W.printNumber("HeaderSizeInParagraphs", DH->HeaderSizeInParagraphs);
670 W.printNumber("MinimumExtraParagraphs", DH->MinimumExtraParagraphs);
671 W.printNumber("MaximumExtraParagraphs", DH->MaximumExtraParagraphs);
672 W.printNumber("InitialRelativeSS", DH->InitialRelativeSS);
673 W.printNumber("InitialSP", DH->InitialSP);
674 W.printNumber("Checksum", DH->Checksum);
675 W.printNumber("InitialIP", DH->InitialIP);
676 W.printNumber("InitialRelativeCS", DH->InitialRelativeCS);
677 W.printNumber("AddressOfRelocationTable", DH->AddressOfRelocationTable);
678 W.printNumber("OverlayNumber", DH->OverlayNumber);
679 W.printNumber("OEMid", DH->OEMid);
680 W.printNumber("OEMinfo", DH->OEMinfo);
681 W.printNumber("AddressOfNewExeHeader", DH->AddressOfNewExeHeader);
682 }
683
684 template <class PEHeader>
685 void COFFDumper::printPEHeader(const PEHeader *Hdr) {
686 DictScope D(W, "ImageOptionalHeader");
687 W.printHex ("Magic", Hdr->Magic);
688 W.printNumber("MajorLinkerVersion", Hdr->MajorLinkerVersion);
689 W.printNumber("MinorLinkerVersion", Hdr->MinorLinkerVersion);
690 W.printNumber("SizeOfCode", Hdr->SizeOfCode);
691 W.printNumber("SizeOfInitializedData", Hdr->SizeOfInitializedData);
692 W.printNumber("SizeOfUninitializedData", Hdr->SizeOfUninitializedData);
693 W.printHex ("AddressOfEntryPoint", Hdr->AddressOfEntryPoint);
694 W.printHex ("BaseOfCode", Hdr->BaseOfCode);
695 printBaseOfDataField(Hdr);
696 W.printHex ("ImageBase", Hdr->ImageBase);
697 W.printNumber("SectionAlignment", Hdr->SectionAlignment);
698 W.printNumber("FileAlignment", Hdr->FileAlignment);
699 W.printNumber("MajorOperatingSystemVersion",
700 Hdr->MajorOperatingSystemVersion);
701 W.printNumber("MinorOperatingSystemVersion",
702 Hdr->MinorOperatingSystemVersion);
703 W.printNumber("MajorImageVersion", Hdr->MajorImageVersion);
704 W.printNumber("MinorImageVersion", Hdr->MinorImageVersion);
705 W.printNumber("MajorSubsystemVersion", Hdr->MajorSubsystemVersion);
706 W.printNumber("MinorSubsystemVersion", Hdr->MinorSubsystemVersion);
707 W.printNumber("SizeOfImage", Hdr->SizeOfImage);
708 W.printNumber("SizeOfHeaders", Hdr->SizeOfHeaders);
709 W.printEnum ("Subsystem", Hdr->Subsystem, makeArrayRef(PEWindowsSubsystem));
710 W.printFlags ("Characteristics", Hdr->DLLCharacteristics,
711 makeArrayRef(PEDLLCharacteristics));
712 W.printNumber("SizeOfStackReserve", Hdr->SizeOfStackReserve);
713 W.printNumber("SizeOfStackCommit", Hdr->SizeOfStackCommit);
714 W.printNumber("SizeOfHeapReserve", Hdr->SizeOfHeapReserve);
715 W.printNumber("SizeOfHeapCommit", Hdr->SizeOfHeapCommit);
716 W.printNumber("NumberOfRvaAndSize", Hdr->NumberOfRvaAndSize);
717
718 if (Hdr->NumberOfRvaAndSize > 0) {
719 DictScope D(W, "DataDirectory");
720 static const char * const directory[] = {
721 "ExportTable", "ImportTable", "ResourceTable", "ExceptionTable",
722 "CertificateTable", "BaseRelocationTable", "Debug", "Architecture",
723 "GlobalPtr", "TLSTable", "LoadConfigTable", "BoundImport", "IAT",
724 "DelayImportDescriptor", "CLRRuntimeHeader", "Reserved"
725 };
726
727 for (uint32_t i = 0; i < Hdr->NumberOfRvaAndSize; ++i)
728 printDataDirectory(i, directory[i]);
729 }
730 }
731
732 void COFFDumper::printCOFFDebugDirectory() {
733 ListScope LS(W, "DebugDirectory");
734 for (const debug_directory &D : Obj->debug_directories()) {
735 char FormattedTime[20] = {};
736 time_t TDS = D.TimeDateStamp;
737 strftime(FormattedTime, 20, "%Y-%m-%d %H:%M:%S", gmtime(&TDS));
738 DictScope S(W, "DebugEntry");
739 W.printHex("Characteristics", D.Characteristics);
740 W.printHex("TimeDateStamp", FormattedTime, D.TimeDateStamp);
741 W.printHex("MajorVersion", D.MajorVersion);
742 W.printHex("MinorVersion", D.MinorVersion);
743 W.printEnum("Type", D.Type, makeArrayRef(ImageDebugType));
744 W.printHex("SizeOfData", D.SizeOfData);
745 W.printHex("AddressOfRawData", D.AddressOfRawData);
746 W.printHex("PointerToRawData", D.PointerToRawData);
747 if (D.Type == COFF::IMAGE_DEBUG_TYPE_CODEVIEW) {
748 const codeview::DebugInfo *DebugInfo;
749 StringRef PDBFileName;
750 error(Obj->getDebugPDBInfo(&D, DebugInfo, PDBFileName));
751 DictScope PDBScope(W, "PDBInfo");
752 W.printHex("PDBSignature", DebugInfo->Signature.CVSignature);
753 if (DebugInfo->Signature.CVSignature == OMF::Signature::PDB70) {
754 W.printBinary("PDBGUID", makeArrayRef(DebugInfo->PDB70.Signature));
755 W.printNumber("PDBAge", DebugInfo->PDB70.Age);
756 W.printString("PDBFileName", PDBFileName);
757 }
758 } else if (D.SizeOfData != 0) {
759 // FIXME: Type values of 12 and 13 are commonly observed but are not in
760 // the documented type enum. Figure out what they mean.
761 ArrayRef<uint8_t> RawData;
762 error(
763 Obj->getRvaAndSizeAsBytes(D.AddressOfRawData, D.SizeOfData, RawData));
764 W.printBinaryBlock("RawData", RawData);
765 }
766 }
767 }
768
769 void COFFDumper::printRVATable(uint64_t TableVA, uint64_t Count,
770 uint64_t EntrySize, PrintExtraCB PrintExtra) {
771 uintptr_t TableStart, TableEnd;
772 error(Obj->getVaPtr(TableVA, TableStart));
773 error(Obj->getVaPtr(TableVA + Count * EntrySize - 1, TableEnd));
774 TableEnd++;
775 for (uintptr_t I = TableStart; I < TableEnd; I += EntrySize) {
776 uint32_t RVA = *reinterpret_cast<const ulittle32_t *>(I);
777 raw_ostream &OS = W.startLine();
778 OS << W.hex(Obj->getImageBase() + RVA);
779 if (PrintExtra)
780 PrintExtra(OS, reinterpret_cast<const uint8_t *>(I));
781 OS << '\n';
782 }
783 }
784
785 void COFFDumper::printCOFFLoadConfig() {
786 LoadConfigTables Tables;
787 if (Obj->is64())
788 printCOFFLoadConfig(Obj->getLoadConfig64(), Tables);
789 else
790 printCOFFLoadConfig(Obj->getLoadConfig32(), Tables);
791
792 if (Tables.SEHTableVA) {
793 ListScope LS(W, "SEHTable");
794 printRVATable(Tables.SEHTableVA, Tables.SEHTableCount, 4);
795 }
796
797 if (Tables.GuardFidTableVA) {
798 ListScope LS(W, "GuardFidTable");
799 if (Tables.GuardFlags & uint32_t(coff_guard_flags::FidTableHasFlags)) {
800 auto PrintGuardFlags = [](raw_ostream &OS, const uint8_t *Entry) {
801 uint8_t Flags = *reinterpret_cast<const uint8_t *>(Entry + 4);
802 if (Flags)
803 OS << " flags " << utohexstr(Flags);
804 };
805 printRVATable(Tables.GuardFidTableVA, Tables.GuardFidTableCount, 5,
806 PrintGuardFlags);
807 } else {
808 printRVATable(Tables.GuardFidTableVA, Tables.GuardFidTableCount, 4);
809 }
810 }
811
812 if (Tables.GuardLJmpTableVA) {
813 ListScope LS(W, "GuardLJmpTable");
814 printRVATable(Tables.GuardLJmpTableVA, Tables.GuardLJmpTableCount, 4);
815 }
816 }
817
818 template <typename T>
819 void COFFDumper::printCOFFLoadConfig(const T *Conf, LoadConfigTables &Tables) {
820 if (!Conf)
821 return;
822
823 ListScope LS(W, "LoadConfig");
824 char FormattedTime[20] = {};
825 time_t TDS = Conf->TimeDateStamp;
826 strftime(FormattedTime, 20, "%Y-%m-%d %H:%M:%S", gmtime(&TDS));
827 W.printHex("Size", Conf->Size);
828
829 // Print everything before SecurityCookie. The vast majority of images today
830 // have all these fields.
831 if (Conf->Size < offsetof(T, SEHandlerTable))
832 return;
833 W.printHex("TimeDateStamp", FormattedTime, TDS);
834 W.printHex("MajorVersion", Conf->MajorVersion);
835 W.printHex("MinorVersion", Conf->MinorVersion);
836 W.printHex("GlobalFlagsClear", Conf->GlobalFlagsClear);
837 W.printHex("GlobalFlagsSet", Conf->GlobalFlagsSet);
838 W.printHex("CriticalSectionDefaultTimeout",
839 Conf->CriticalSectionDefaultTimeout);
840 W.printHex("DeCommitFreeBlockThreshold", Conf->DeCommitFreeBlockThreshold);
841 W.printHex("DeCommitTotalFreeThreshold", Conf->DeCommitTotalFreeThreshold);
842 W.printHex("LockPrefixTable", Conf->LockPrefixTable);
843 W.printHex("MaximumAllocationSize", Conf->MaximumAllocationSize);
844 W.printHex("VirtualMemoryThreshold", Conf->VirtualMemoryThreshold);
845 W.printHex("ProcessHeapFlags", Conf->ProcessHeapFlags);
846 W.printHex("ProcessAffinityMask", Conf->ProcessAffinityMask);
847 W.printHex("CSDVersion", Conf->CSDVersion);
848 W.printHex("DependentLoadFlags", Conf->DependentLoadFlags);
849 W.printHex("EditList", Conf->EditList);
850 W.printHex("SecurityCookie", Conf->SecurityCookie);
851
852 // Print the safe SEH table if present.
853 if (Conf->Size < offsetof(coff_load_configuration32, GuardCFCheckFunction))
854 return;
855 W.printHex("SEHandlerTable", Conf->SEHandlerTable);
856 W.printNumber("SEHandlerCount", Conf->SEHandlerCount);
857
858 Tables.SEHTableVA = Conf->SEHandlerTable;
859 Tables.SEHTableCount = Conf->SEHandlerCount;
860
861 // Print everything before CodeIntegrity. (2015)
862 if (Conf->Size < offsetof(T, CodeIntegrity))
863 return;
864 W.printHex("GuardCFCheckFunction", Conf->GuardCFCheckFunction);
865 W.printHex("GuardCFCheckDispatch", Conf->GuardCFCheckDispatch);
866 W.printHex("GuardCFFunctionTable", Conf->GuardCFFunctionTable);
867 W.printNumber("GuardCFFunctionCount", Conf->GuardCFFunctionCount);
868 W.printHex("GuardFlags", Conf->GuardFlags);
869
870 Tables.GuardFidTableVA = Conf->GuardCFFunctionTable;
871 Tables.GuardFidTableCount = Conf->GuardCFFunctionCount;
872 Tables.GuardFlags = Conf->GuardFlags;
873
874 // Print the rest. (2017)
875 if (Conf->Size < sizeof(T))
876 return;
877 W.printHex("GuardAddressTakenIatEntryTable",
878 Conf->GuardAddressTakenIatEntryTable);
879 W.printNumber("GuardAddressTakenIatEntryCount",
880 Conf->GuardAddressTakenIatEntryCount);
881 W.printHex("GuardLongJumpTargetTable", Conf->GuardLongJumpTargetTable);
882 W.printNumber("GuardLongJumpTargetCount", Conf->GuardLongJumpTargetCount);
883 W.printHex("DynamicValueRelocTable", Conf->DynamicValueRelocTable);
884 W.printHex("CHPEMetadataPointer", Conf->CHPEMetadataPointer);
885 W.printHex("GuardRFFailureRoutine", Conf->GuardRFFailureRoutine);
886 W.printHex("GuardRFFailureRoutineFunctionPointer",
887 Conf->GuardRFFailureRoutineFunctionPointer);
888 W.printHex("DynamicValueRelocTableOffset",
889 Conf->DynamicValueRelocTableOffset);
890 W.printNumber("DynamicValueRelocTableSection",
891 Conf->DynamicValueRelocTableSection);
892 W.printHex("GuardRFVerifyStackPointerFunctionPointer",
893 Conf->GuardRFVerifyStackPointerFunctionPointer);
894 W.printHex("HotPatchTableOffset", Conf->HotPatchTableOffset);
895
896 Tables.GuardLJmpTableVA = Conf->GuardLongJumpTargetTable;
897 Tables.GuardLJmpTableCount = Conf->GuardLongJumpTargetCount;
898 }
899
900 void COFFDumper::printBaseOfDataField(const pe32_header *Hdr) {
901 W.printHex("BaseOfData", Hdr->BaseOfData);
902 }
903
904 void COFFDumper::printBaseOfDataField(const pe32plus_header *) {}
905
906 void COFFDumper::printCodeViewDebugInfo() {
907 // Print types first to build CVUDTNames, then print symbols.
908 for (const SectionRef &S : Obj->sections()) {
909 StringRef SectionName;
910 error(S.getName(SectionName));
911 // .debug$T is a standard CodeView type section, while .debug$P is the same
912 // format but used for MSVC precompiled header object files.
913 if (SectionName == ".debug$T" || SectionName == ".debug$P")
914 printCodeViewTypeSection(SectionName, S);
915 }
916 for (const SectionRef &S : Obj->sections()) {
917 StringRef SectionName;
918 error(S.getName(SectionName));
919 if (SectionName == ".debug$S")
920 printCodeViewSymbolSection(SectionName, S);
921 }
922 }
923
924 void COFFDumper::initializeFileAndStringTables(BinaryStreamReader &Reader) {
925 while (Reader.bytesRemaining() > 0 &&
926 (!CVFileChecksumTable.valid() || !CVStringTable.valid())) {
927 // The section consists of a number of subsection in the following format:
928 // |SubSectionType|SubSectionSize|Contents...|
929 uint32_t SubType, SubSectionSize;
930 error(Reader.readInteger(SubType));
931 error(Reader.readInteger(SubSectionSize));
932
933 StringRef Contents;
934 error(Reader.readFixedString(Contents, SubSectionSize));
935
936 BinaryStreamRef ST(Contents, support::little);
937 switch (DebugSubsectionKind(SubType)) {
938 case DebugSubsectionKind::FileChecksums:
939 error(CVFileChecksumTable.initialize(ST));
940 break;
941 case DebugSubsectionKind::StringTable:
942 error(CVStringTable.initialize(ST));
943 break;
944 default:
945 break;
946 }
947
948 uint32_t PaddedSize = alignTo(SubSectionSize, 4);
949 error(Reader.skip(PaddedSize - SubSectionSize));
950 }
951 }
952
953 void COFFDumper::printCodeViewSymbolSection(StringRef SectionName,
954 const SectionRef &Section) {
955 StringRef SectionContents;
956 error(Section.getContents(SectionContents));
957 StringRef Data = SectionContents;
958
959 SmallVector<StringRef, 10> FunctionNames;
960 StringMap<StringRef> FunctionLineTables;
961
962 ListScope D(W, "CodeViewDebugInfo");
963 // Print the section to allow correlation with printSectionHeaders.
964 W.printNumber("Section", SectionName, Obj->getSectionID(Section));
965
966 uint32_t Magic;
967 error(consume(Data, Magic));
968 W.printHex("Magic", Magic);
969 if (Magic != COFF::DEBUG_SECTION_MAGIC)
970 return error(object_error::parse_failed);
971
972 BinaryStreamReader FSReader(Data, support::little);
973 initializeFileAndStringTables(FSReader);
974
975 // TODO: Convert this over to using ModuleSubstreamVisitor.
976 while (!Data.empty()) {
977 // The section consists of a number of subsection in the following format:
978 // |SubSectionType|SubSectionSize|Contents...|
979 uint32_t SubType, SubSectionSize;
980 error(consume(Data, SubType));
981 error(consume(Data, SubSectionSize));
982
983 ListScope S(W, "Subsection");
984 W.printEnum("SubSectionType", SubType, makeArrayRef(SubSectionTypes));
985 W.printHex("SubSectionSize", SubSectionSize);
986
987 // Get the contents of the subsection.
988 if (SubSectionSize > Data.size())
989 return error(object_error::parse_failed);
990 StringRef Contents = Data.substr(0, SubSectionSize);
991
992 // Add SubSectionSize to the current offset and align that offset to find
993 // the next subsection.
994 size_t SectionOffset = Data.data() - SectionContents.data();
995 size_t NextOffset = SectionOffset + SubSectionSize;
996 NextOffset = alignTo(NextOffset, 4);
997 if (NextOffset > SectionContents.size())
998 return error(object_error::parse_failed);
999 Data = SectionContents.drop_front(NextOffset);
1000
1001 // Optionally print the subsection bytes in case our parsing gets confused
1002 // later.
1003 if (opts::CodeViewSubsectionBytes)
1004 printBinaryBlockWithRelocs("SubSectionContents", Section, SectionContents,
1005 Contents);
1006
1007 switch (DebugSubsectionKind(SubType)) {
1008 case DebugSubsectionKind::Symbols:
1009 printCodeViewSymbolsSubsection(Contents, Section, SectionContents);
1010 break;
1011
1012 case DebugSubsectionKind::InlineeLines:
1013 printCodeViewInlineeLines(Contents);
1014 break;
1015
1016 case DebugSubsectionKind::FileChecksums:
1017 printCodeViewFileChecksums(Contents);
1018 break;
1019
1020 case DebugSubsectionKind::Lines: {
1021 // Holds a PC to file:line table. Some data to parse this subsection is
1022 // stored in the other subsections, so just check sanity and store the
1023 // pointers for deferred processing.
1024
1025 if (SubSectionSize < 12) {
1026 // There should be at least three words to store two function
1027 // relocations and size of the code.
1028 error(object_error::parse_failed);
1029 return;
1030 }
1031
1032 StringRef LinkageName;
1033 error(resolveSymbolName(Obj->getCOFFSection(Section), SectionOffset,
1034 LinkageName));
1035 W.printString("LinkageName", LinkageName);
1036 if (FunctionLineTables.count(LinkageName) != 0) {
1037 // Saw debug info for this function already?
1038 error(object_error::parse_failed);
1039 return;
1040 }
1041
1042 FunctionLineTables[LinkageName] = Contents;
1043 FunctionNames.push_back(LinkageName);
1044 break;
1045 }
1046 case DebugSubsectionKind::FrameData: {
1047 // First four bytes is a relocation against the function.
1048 BinaryStreamReader SR(Contents, llvm::support::little);
1049
1050 DebugFrameDataSubsectionRef FrameData;
1051 error(FrameData.initialize(SR));
1052
1053 StringRef LinkageName;
1054 error(resolveSymbolName(Obj->getCOFFSection(Section), SectionContents,
1055 FrameData.getRelocPtr(), LinkageName));
1056 W.printString("LinkageName", LinkageName);
1057
1058 // To find the active frame description, search this array for the
1059 // smallest PC range that includes the current PC.
1060 for (const auto &FD : FrameData) {
1061 StringRef FrameFunc = error(CVStringTable.getString(FD.FrameFunc));
1062
1063 DictScope S(W, "FrameData");
1064 W.printHex("RvaStart", FD.RvaStart);
1065 W.printHex("CodeSize", FD.CodeSize);
1066 W.printHex("LocalSize", FD.LocalSize);
1067 W.printHex("ParamsSize", FD.ParamsSize);
1068 W.printHex("MaxStackSize", FD.MaxStackSize);
1069 W.printHex("PrologSize", FD.PrologSize);
1070 W.printHex("SavedRegsSize", FD.SavedRegsSize);
1071 W.printFlags("Flags", FD.Flags, makeArrayRef(FrameDataFlags));
1072
1073 // The FrameFunc string is a small RPN program. It can be broken up into
1074 // statements that end in the '=' operator, which assigns the value on
1075 // the top of the stack to the previously pushed variable. Variables can
1076 // be temporary values ($T0) or physical registers ($esp). Print each
1077 // assignment on its own line to make these programs easier to read.
1078 {
1079 ListScope FFS(W, "FrameFunc");
1080 while (!FrameFunc.empty()) {
1081 size_t EqOrEnd = FrameFunc.find('=');
1082 if (EqOrEnd == StringRef::npos)
1083 EqOrEnd = FrameFunc.size();
1084 else
1085 ++EqOrEnd;
1086 StringRef Stmt = FrameFunc.substr(0, EqOrEnd);
1087 W.printString(Stmt);
1088 FrameFunc = FrameFunc.drop_front(EqOrEnd).trim();
1089 }
1090 }
1091 }
1092 break;
1093 }
1094
1095 // Do nothing for unrecognized subsections.
1096 default:
1097 break;
1098 }
1099 W.flush();
1100 }
1101
1102 // Dump the line tables now that we've read all the subsections and know all
1103 // the required information.
1104 for (unsigned I = 0, E = FunctionNames.size(); I != E; ++I) {
1105 StringRef Name = FunctionNames[I];
1106 ListScope S(W, "FunctionLineTable");
1107 W.printString("LinkageName", Name);
1108
1109 BinaryStreamReader Reader(FunctionLineTables[Name], support::little);
1110
1111 DebugLinesSubsectionRef LineInfo;
1112 error(LineInfo.initialize(Reader));
1113
1114 W.printHex("Flags", LineInfo.header()->Flags);
1115 W.printHex("CodeSize", LineInfo.header()->CodeSize);
1116 for (const auto &Entry : LineInfo) {
1117
1118 ListScope S(W, "FilenameSegment");
1119 printFileNameForOffset("Filename", Entry.NameIndex);
1120 uint32_t ColumnIndex = 0;
1121 for (const auto &Line : Entry.LineNumbers) {
1122 if (Line.Offset >= LineInfo.header()->CodeSize) {
1123 error(object_error::parse_failed);
1124 return;
1125 }
1126
1127 std::string PC = formatv("+{0:X}", uint32_t(Line.Offset));
1128 ListScope PCScope(W, PC);
1129 codeview::LineInfo LI(Line.Flags);
1130
1131 if (LI.isAlwaysStepInto())
1132 W.printString("StepInto", StringRef("Always"));
1133 else if (LI.isNeverStepInto())
1134 W.printString("StepInto", StringRef("Never"));
1135 else
1136 W.printNumber("LineNumberStart", LI.getStartLine());
1137 W.printNumber("LineNumberEndDelta", LI.getLineDelta());
1138 W.printBoolean("IsStatement", LI.isStatement());
1139 if (LineInfo.hasColumnInfo()) {
1140 W.printNumber("ColStart", Entry.Columns[ColumnIndex].StartColumn);
1141 W.printNumber("ColEnd", Entry.Columns[ColumnIndex].EndColumn);
1142 ++ColumnIndex;
1143 }
1144 }
1145 }
1146 }
1147 }
1148
1149 void COFFDumper::printCodeViewSymbolsSubsection(StringRef Subsection,
1150 const SectionRef &Section,
1151 StringRef SectionContents) {
1152 ArrayRef<uint8_t> BinaryData(Subsection.bytes_begin(),
1153 Subsection.bytes_end());
1154 auto CODD = llvm::make_unique<COFFObjectDumpDelegate>(*this, Section, Obj,
1155 SectionContents);
1156 CVSymbolDumper CVSD(W, Types, CodeViewContainer::ObjectFile, std::move(CODD),
1157 CompilationCPUType, opts::CodeViewSubsectionBytes);
1158 CVSymbolArray Symbols;
1159 BinaryStreamReader Reader(BinaryData, llvm::support::little);
1160 if (auto EC = Reader.readArray(Symbols, Reader.getLength())) {
1161 consumeError(std::move(EC));
1162 W.flush();
1163 error(object_error::parse_failed);
1164 }
1165
1166 if (auto EC = CVSD.dump(Symbols)) {
1167 W.flush();
1168 error(std::move(EC));
1169 }
1170 CompilationCPUType = CVSD.getCompilationCPUType();
1171 W.flush();
1172 }
1173
1174 void COFFDumper::printCodeViewFileChecksums(StringRef Subsection) {
1175 BinaryStreamRef Stream(Subsection, llvm::support::little);
1176 DebugChecksumsSubsectionRef Checksums;
1177 error(Checksums.initialize(Stream));
1178
1179 for (auto &FC : Checksums) {
1180 DictScope S(W, "FileChecksum");
1181
1182 StringRef Filename = error(CVStringTable.getString(FC.FileNameOffset));
1183 W.printHex("Filename", Filename, FC.FileNameOffset);
1184 W.printHex("ChecksumSize", FC.Checksum.size());
1185 W.printEnum("ChecksumKind", uint8_t(FC.Kind),
1186 makeArrayRef(FileChecksumKindNames));
1187
1188 W.printBinary("ChecksumBytes", FC.Checksum);
1189 }
1190 }
1191
1192 void COFFDumper::printCodeViewInlineeLines(StringRef Subsection) {
1193 BinaryStreamReader SR(Subsection, llvm::support::little);
1194 DebugInlineeLinesSubsectionRef Lines;
1195 error(Lines.initialize(SR));
1196
1197 for (auto &Line : Lines) {
1198 DictScope S(W, "InlineeSourceLine");
1199 printTypeIndex("Inlinee", Line.Header->Inlinee);
1200 printFileNameForOffset("FileID", Line.Header->FileID);
1201 W.printNumber("SourceLineNum", Line.Header->SourceLineNum);
1202
1203 if (Lines.hasExtraFiles()) {
1204 W.printNumber("ExtraFileCount", Line.ExtraFiles.size());
1205 ListScope ExtraFiles(W, "ExtraFiles");
1206 for (const auto &FID : Line.ExtraFiles) {
1207 printFileNameForOffset("FileID", FID);
1208 }
1209 }
1210 }
1211 }
1212
1213 StringRef COFFDumper::getFileNameForFileOffset(uint32_t FileOffset) {
1214 // The file checksum subsection should precede all references to it.
1215 if (!CVFileChecksumTable.valid() || !CVStringTable.valid())
1216 error(object_error::parse_failed);
1217
1218 auto Iter = CVFileChecksumTable.getArray().at(FileOffset);
1219
1220 // Check if the file checksum table offset is valid.
1221 if (Iter == CVFileChecksumTable.end())
1222 error(object_error::parse_failed);
1223
1224 return error(CVStringTable.getString(Iter->FileNameOffset));
1225 }
1226
1227 void COFFDumper::printFileNameForOffset(StringRef Label, uint32_t FileOffset) {
1228 W.printHex(Label, getFileNameForFileOffset(FileOffset), FileOffset);
1229 }
1230
1231 void COFFDumper::mergeCodeViewTypes(MergingTypeTableBuilder &CVIDs,
1232 MergingTypeTableBuilder &CVTypes,
1233 GlobalTypeTableBuilder &GlobalCVIDs,
1234 GlobalTypeTableBuilder &GlobalCVTypes,
1235 bool GHash) {
1236 for (const SectionRef &S : Obj->sections()) {
1237 StringRef SectionName;
1238 error(S.getName(SectionName));
1239 if (SectionName == ".debug$T") {
1240 StringRef Data;
1241 error(S.getContents(Data));
1242 uint32_t Magic;
1243 error(consume(Data, Magic));
1244 if (Magic != 4)
1245 error(object_error::parse_failed);
1246
1247 CVTypeArray Types;
1248 BinaryStreamReader Reader(Data, llvm::support::little);
1249 if (auto EC = Reader.readArray(Types, Reader.getLength())) {
1250 consumeError(std::move(EC));
1251 W.flush();
1252 error(object_error::parse_failed);
1253 }
1254 SmallVector<TypeIndex, 128> SourceToDest;
1255 Optional<uint32_t> PCHSignature;
1256 if (GHash) {
1257 std::vector<GloballyHashedType> Hashes =
1258 GloballyHashedType::hashTypes(Types);
1259 if (auto EC = mergeTypeAndIdRecords(GlobalCVIDs, GlobalCVTypes, SourceToDest, Types,
1260 Hashes, PCHSignature))
1261 return error(std::move(EC));
1262 } else {
1263 if (auto EC = mergeTypeAndIdRecords(CVIDs, CVTypes, SourceToDest, Types,
1264 PCHSignature))
1265 return error(std::move(EC));
1266 }
1267 }
1268 }
1269 }
1270
1271 void COFFDumper::printCodeViewTypeSection(StringRef SectionName,
1272 const SectionRef &Section) {
1273 ListScope D(W, "CodeViewTypes");
1274 W.printNumber("Section", SectionName, Obj->getSectionID(Section));
1275
1276 StringRef Data;
1277 error(Section.getContents(Data));
1278 if (opts::CodeViewSubsectionBytes)
1279 W.printBinaryBlock("Data", Data);
1280
1281 uint32_t Magic;
1282 error(consume(Data, Magic));
1283 W.printHex("Magic", Magic);
1284 if (Magic != COFF::DEBUG_SECTION_MAGIC)
1285 return error(object_error::parse_failed);
1286
1287 Types.reset(Data, 100);
1288
1289 TypeDumpVisitor TDV(Types, &W, opts::CodeViewSubsectionBytes);
1290 error(codeview::visitTypeStream(Types, TDV));
1291 W.flush();
1292 }
1293
1294 void COFFDumper::printSectionHeaders() {
1295 ListScope SectionsD(W, "Sections");
1296 int SectionNumber = 0;
1297 for (const SectionRef &Sec : Obj->sections()) {
1298 ++SectionNumber;
1299 const coff_section *Section = Obj->getCOFFSection(Sec);
1300
1301 StringRef Name;
1302 error(Sec.getName(Name));
1303
1304 DictScope D(W, "Section");
1305 W.printNumber("Number", SectionNumber);
1306 W.printBinary("Name", Name, Section->Name);
1307 W.printHex ("VirtualSize", Section->VirtualSize);
1308 W.printHex ("VirtualAddress", Section->VirtualAddress);
1309 W.printNumber("RawDataSize", Section->SizeOfRawData);
1310 W.printHex ("PointerToRawData", Section->PointerToRawData);
1311 W.printHex ("PointerToRelocations", Section->PointerToRelocations);
1312 W.printHex ("PointerToLineNumbers", Section->PointerToLinenumbers);
1313 W.printNumber("RelocationCount", Section->NumberOfRelocations);
1314 W.printNumber("LineNumberCount", Section->NumberOfLinenumbers);
1315 W.printFlags ("Characteristics", Section->Characteristics,
1316 makeArrayRef(ImageSectionCharacteristics),
1317 COFF::SectionCharacteristics(0x00F00000));
1318
1319 if (opts::SectionRelocations) {
1320 ListScope D(W, "Relocations");
1321 for (const RelocationRef &Reloc : Sec.relocations())
1322 printRelocation(Sec, Reloc);
1323 }
1324
1325 if (opts::SectionSymbols) {
1326 ListScope D(W, "Symbols");
1327 for (const SymbolRef &Symbol : Obj->symbols()) {
1328 if (!Sec.containsSymbol(Symbol))
1329 continue;
1330
1331 printSymbol(Symbol);
1332 }
1333 }
1334
1335 if (opts::SectionData &&
1336 !(Section->Characteristics & COFF::IMAGE_SCN_CNT_UNINITIALIZED_DATA)) {
1337 StringRef Data;
1338 error(Sec.getContents(Data));
1339
1340 W.printBinaryBlock("SectionData", Data);
1341 }
1342 }
1343 }
1344
1345 void COFFDumper::printRelocations() {
1346 ListScope D(W, "Relocations");
1347
1348 int SectionNumber = 0;
1349 for (const SectionRef &Section : Obj->sections()) {
1350 ++SectionNumber;
1351 StringRef Name;
1352 error(Section.getName(Name));
1353
1354 bool PrintedGroup = false;
1355 for (const RelocationRef &Reloc : Section.relocations()) {
1356 if (!PrintedGroup) {
1357 W.startLine() << "Section (" << SectionNumber << ") " << Name << " {\n";
1358 W.indent();
1359 PrintedGroup = true;
1360 }
1361
1362 printRelocation(Section, Reloc);
1363 }
1364
1365 if (PrintedGroup) {
1366 W.unindent();
1367 W.startLine() << "}\n";
1368 }
1369 }
1370 }
1371
1372 void COFFDumper::printRelocation(const SectionRef &Section,
1373 const RelocationRef &Reloc, uint64_t Bias) {
1374 uint64_t Offset = Reloc.getOffset() - Bias;
1375 uint64_t RelocType = Reloc.getType();
1376 SmallString<32> RelocName;
1377 StringRef SymbolName;
1378 Reloc.getTypeName(RelocName);
1379 symbol_iterator Symbol = Reloc.getSymbol();
1380 int64_t SymbolIndex = -1;
1381 if (Symbol != Obj->symbol_end()) {
1382 Expected<StringRef> SymbolNameOrErr = Symbol->getName();
1383 error(errorToErrorCode(SymbolNameOrErr.takeError()));
1384 SymbolName = *SymbolNameOrErr;
1385 SymbolIndex = Obj->getSymbolIndex(Obj->getCOFFSymbol(*Symbol));
1386 }
1387
1388 if (opts::ExpandRelocs) {
1389 DictScope Group(W, "Relocation");
1390 W.printHex("Offset", Offset);
1391 W.printNumber("Type", RelocName, RelocType);
1392 W.printString("Symbol", SymbolName.empty() ? "-" : SymbolName);
1393 W.printNumber("SymbolIndex", SymbolIndex);
1394 } else {
1395 raw_ostream& OS = W.startLine();
1396 OS << W.hex(Offset)
1397 << " " << RelocName
1398 << " " << (SymbolName.empty() ? "-" : SymbolName)
1399 << " (" << SymbolIndex << ")"
1400 << "\n";
1401 }
1402 }
1403
1404 void COFFDumper::printSymbols() {
1405 ListScope Group(W, "Symbols");
1406
1407 for (const SymbolRef &Symbol : Obj->symbols())
1408 printSymbol(Symbol);
1409 }
1410
1411 void COFFDumper::printDynamicSymbols() { ListScope Group(W, "DynamicSymbols"); }
1412
1413 static ErrorOr<StringRef>
1414 getSectionName(const llvm::object::COFFObjectFile *Obj, int32_t SectionNumber,
1415 const coff_section *Section) {
1416 if (Section) {
1417 StringRef SectionName;
1418 if (std::error_code EC = Obj->getSectionName(Section, SectionName))
1419 return EC;
1420 return SectionName;
1421 }
1422 if (SectionNumber == llvm::COFF::IMAGE_SYM_DEBUG)
1423 return StringRef("IMAGE_SYM_DEBUG");
1424 if (SectionNumber == llvm::COFF::IMAGE_SYM_ABSOLUTE)
1425 return StringRef("IMAGE_SYM_ABSOLUTE");
1426 if (SectionNumber == llvm::COFF::IMAGE_SYM_UNDEFINED)
1427 return StringRef("IMAGE_SYM_UNDEFINED");
1428 return StringRef("");
1429 }
1430
1431 void COFFDumper::printSymbol(const SymbolRef &Sym) {
1432 DictScope D(W, "Symbol");
1433
1434 COFFSymbolRef Symbol = Obj->getCOFFSymbol(Sym);
1435 const coff_section *Section;
1436 if (std::error_code EC = Obj->getSection(Symbol.getSectionNumber(), Section)) {
1437 W.startLine() << "Invalid section number: " << EC.message() << "\n";
1438 W.flush();
1439 return;
1440 }
1441
1442 StringRef SymbolName;
1443 if (Obj->getSymbolName(Symbol, SymbolName))
1444 SymbolName = "";
1445
1446 StringRef SectionName = "";
1447 ErrorOr<StringRef> Res =
1448 getSectionName(Obj, Symbol.getSectionNumber(), Section);
1449 if (Res)
1450 SectionName = *Res;
1451
1452 W.printString("Name", SymbolName);
1453 W.printNumber("Value", Symbol.getValue());
1454 W.printNumber("Section", SectionName, Symbol.getSectionNumber());
1455 W.printEnum ("BaseType", Symbol.getBaseType(), makeArrayRef(ImageSymType));
1456 W.printEnum ("ComplexType", Symbol.getComplexType(),
1457 makeArrayRef(ImageSymDType));
1458 W.printEnum ("StorageClass", Symbol.getStorageClass(),
1459 makeArrayRef(ImageSymClass));
1460 W.printNumber("AuxSymbolCount", Symbol.getNumberOfAuxSymbols());
1461
1462 for (uint8_t I = 0; I < Symbol.getNumberOfAuxSymbols(); ++I) {
1463 if (Symbol.isFunctionDefinition()) {
1464 const coff_aux_function_definition *Aux;
1465 error(getSymbolAuxData(Obj, Symbol, I, Aux));
1466
1467 DictScope AS(W, "AuxFunctionDef");
1468 W.printNumber("TagIndex", Aux->TagIndex);
1469 W.printNumber("TotalSize", Aux->TotalSize);
1470 W.printHex("PointerToLineNumber", Aux->PointerToLinenumber);
1471 W.printHex("PointerToNextFunction", Aux->PointerToNextFunction);
1472
1473 } else if (Symbol.isAnyUndefined()) {
1474 const coff_aux_weak_external *Aux;
1475 error(getSymbolAuxData(Obj, Symbol, I, Aux));
1476
1477 Expected<COFFSymbolRef> Linked = Obj->getSymbol(Aux->TagIndex);
1478 StringRef LinkedName;
1479 std::error_code EC = errorToErrorCode(Linked.takeError());
1480 if (EC || (EC = Obj->getSymbolName(*Linked, LinkedName))) {
1481 LinkedName = "";
1482 error(EC);
1483 }
1484
1485 DictScope AS(W, "AuxWeakExternal");
1486 W.printNumber("Linked", LinkedName, Aux->TagIndex);
1487 W.printEnum ("Search", Aux->Characteristics,
1488 makeArrayRef(WeakExternalCharacteristics));
1489
1490 } else if (Symbol.isFileRecord()) {
1491 const char *FileName;
1492 error(getSymbolAuxData(Obj, Symbol, I, FileName));
1493
1494 DictScope AS(W, "AuxFileRecord");
1495
1496 StringRef Name(FileName, Symbol.getNumberOfAuxSymbols() *
1497 Obj->getSymbolTableEntrySize());
1498 W.printString("FileName", Name.rtrim(StringRef("\0", 1)));
1499 break;
1500 } else if (Symbol.isSectionDefinition()) {
1501 const coff_aux_section_definition *Aux;
1502 error(getSymbolAuxData(Obj, Symbol, I, Aux));
1503
1504 int32_t AuxNumber = Aux->getNumber(Symbol.isBigObj());
1505
1506 DictScope AS(W, "AuxSectionDef");
1507 W.printNumber("Length", Aux->Length);
1508 W.printNumber("RelocationCount", Aux->NumberOfRelocations);
1509 W.printNumber("LineNumberCount", Aux->NumberOfLinenumbers);
1510 W.printHex("Checksum", Aux->CheckSum);
1511 W.printNumber("Number", AuxNumber);
1512 W.printEnum("Selection", Aux->Selection, makeArrayRef(ImageCOMDATSelect));
1513
1514 if (Section && Section->Characteristics & COFF::IMAGE_SCN_LNK_COMDAT
1515 && Aux->Selection == COFF::IMAGE_COMDAT_SELECT_ASSOCIATIVE) {
1516 const coff_section *Assoc;
1517 StringRef AssocName = "";
1518 std::error_code EC = Obj->getSection(AuxNumber, Assoc);
1519 ErrorOr<StringRef> Res = getSectionName(Obj, AuxNumber, Assoc);
1520 if (Res)
1521 AssocName = *Res;
1522 if (!EC)
1523 EC = Res.getError();
1524 if (EC) {
1525 AssocName = "";
1526 error(EC);
1527 }
1528
1529 W.printNumber("AssocSection", AssocName, AuxNumber);
1530 }
1531 } else if (Symbol.isCLRToken()) {
1532 const coff_aux_clr_token *Aux;
1533 error(getSymbolAuxData(Obj, Symbol, I, Aux));
1534
1535 Expected<COFFSymbolRef> ReferredSym =
1536 Obj->getSymbol(Aux->SymbolTableIndex);
1537 StringRef ReferredName;
1538 std::error_code EC = errorToErrorCode(ReferredSym.takeError());
1539 if (EC || (EC = Obj->getSymbolName(*ReferredSym, ReferredName))) {
1540 ReferredName = "";
1541 error(EC);
1542 }
1543
1544 DictScope AS(W, "AuxCLRToken");
1545 W.printNumber("AuxType", Aux->AuxType);
1546 W.printNumber("Reserved", Aux->Reserved);
1547 W.printNumber("SymbolTableIndex", ReferredName, Aux->SymbolTableIndex);
1548
1549 } else {
1550 W.startLine() << "<unhandled auxiliary record>\n";
1551 }
1552 }
1553 }
1554
1555 void COFFDumper::printUnwindInfo() {
1556 ListScope D(W, "UnwindInformation");
1557 switch (Obj->getMachine()) {
1558 case COFF::IMAGE_FILE_MACHINE_AMD64: {
1559 Win64EH::Dumper Dumper(W);
1560 Win64EH::Dumper::SymbolResolver
1561 Resolver = [](const object::coff_section *Section, uint64_t Offset,
1562 SymbolRef &Symbol, void *user_data) -> std::error_code {
1563 COFFDumper *Dumper = reinterpret_cast<COFFDumper *>(user_data);
1564 return Dumper->resolveSymbol(Section, Offset, Symbol);
1565 };
1566 Win64EH::Dumper::Context Ctx(*Obj, Resolver, this);
1567 Dumper.printData(Ctx);
1568 break;
1569 }
1570 case COFF::IMAGE_FILE_MACHINE_ARM64:
1571 case COFF::IMAGE_FILE_MACHINE_ARMNT: {
1572 ARM::WinEH::Decoder Decoder(W, Obj->getMachine() ==
1573 COFF::IMAGE_FILE_MACHINE_ARM64);
1574 Decoder.dumpProcedureData(*Obj);
1575 break;
1576 }
1577 default:
1578 W.printEnum("unsupported Image Machine", Obj->getMachine(),
1579 makeArrayRef(ImageFileMachineType));
1580 break;
1581 }
1582 }
1583
1584 void COFFDumper::printNeededLibraries() {
1585 ListScope D(W, "NeededLibraries");
1586
1587 using LibsTy = std::vector<StringRef>;
1588 LibsTy Libs;
1589
1590 for (const ImportDirectoryEntryRef &DirRef : Obj->import_directories()) {
1591 StringRef Name;
1592 if (!DirRef.getName(Name))
1593 Libs.push_back(Name);
1594 }
1595
1596 std::stable_sort(Libs.begin(), Libs.end());
1597
1598 for (const auto &L : Libs) {
1599 outs() << " " << L << "\n";
1600 }
1601 }
1602
1603 void COFFDumper::printImportedSymbols(
1604 iterator_range<imported_symbol_iterator> Range) {
1605 for (const ImportedSymbolRef &I : Range) {
1606 StringRef Sym;
1607 error(I.getSymbolName(Sym));
1608 uint16_t Ordinal;
1609 error(I.getOrdinal(Ordinal));
1610 W.printNumber("Symbol", Sym, Ordinal);
1611 }
1612 }
1613
1614 void COFFDumper::printDelayImportedSymbols(
1615 const DelayImportDirectoryEntryRef &I,
1616 iterator_range<imported_symbol_iterator> Range) {
1617 int Index = 0;
1618 for (const ImportedSymbolRef &S : Range) {
1619 DictScope Import(W, "Import");
1620 StringRef Sym;
1621 error(S.getSymbolName(Sym));
1622 uint16_t Ordinal;
1623 error(S.getOrdinal(Ordinal));
1624 W.printNumber("Symbol", Sym, Ordinal);
1625 uint64_t Addr;
1626 error(I.getImportAddress(Index++, Addr));
1627 W.printHex("Address", Addr);
1628 }
1629 }
1630
1631 void COFFDumper::printCOFFImports() {
1632 // Regular imports
1633 for (const ImportDirectoryEntryRef &I : Obj->import_directories()) {
1634 DictScope Import(W, "Import");
1635 StringRef Name;
1636 error(I.getName(Name));
1637 W.printString("Name", Name);
1638 uint32_t ILTAddr;
1639 error(I.getImportLookupTableRVA(ILTAddr));
1640 W.printHex("ImportLookupTableRVA", ILTAddr);
1641 uint32_t IATAddr;
1642 error(I.getImportAddressTableRVA(IATAddr));
1643 W.printHex("ImportAddressTableRVA", IATAddr);
1644 // The import lookup table can be missing with certain older linkers, so
1645 // fall back to the import address table in that case.
1646 if (ILTAddr)
1647 printImportedSymbols(I.lookup_table_symbols());
1648 else
1649 printImportedSymbols(I.imported_symbols());
1650 }
1651
1652 // Delay imports
1653 for (const DelayImportDirectoryEntryRef &I : Obj->delay_import_directories()) {
1654 DictScope Import(W, "DelayImport");
1655 StringRef Name;
1656 error(I.getName(Name));
1657 W.printString("Name", Name);
1658 const delay_import_directory_table_entry *Table;
1659 error(I.getDelayImportTable(Table));
1660 W.printHex("Attributes", Table->Attributes);
1661 W.printHex("ModuleHandle", Table->ModuleHandle);
1662 W.printHex("ImportAddressTable", Table->DelayImportAddressTable);
1663 W.printHex("ImportNameTable", Table->DelayImportNameTable);
1664 W.printHex("BoundDelayImportTable", Table->BoundDelayImportTable);
1665 W.printHex("UnloadDelayImportTable", Table->UnloadDelayImportTable);
1666 printDelayImportedSymbols(I, I.imported_symbols());
1667 }
1668 }
1669
1670 void COFFDumper::printCOFFExports() {
1671 for (const ExportDirectoryEntryRef &E : Obj->export_directories()) {
1672 DictScope Export(W, "Export");
1673
1674 StringRef Name;
1675 uint32_t Ordinal, RVA;
1676
1677 error(E.getSymbolName(Name));
1678 error(E.getOrdinal(Ordinal));
1679 error(E.getExportRVA(RVA));
1680
1681 W.printNumber("Ordinal", Ordinal);
1682 W.printString("Name", Name);
1683 W.printHex("RVA", RVA);
1684 }
1685 }
1686
1687 void COFFDumper::printCOFFDirectives() {
1688 for (const SectionRef &Section : Obj->sections()) {
1689 StringRef Contents;
1690 StringRef Name;
1691
1692 error(Section.getName(Name));
1693 if (Name != ".drectve")
1694 continue;
1695
1696 error(Section.getContents(Contents));
1697
1698 W.printString("Directive(s)", Contents);
1699 }
1700 }
1701
1702 static std::string getBaseRelocTypeName(uint8_t Type) {
1703 switch (Type) {
1704 case COFF::IMAGE_REL_BASED_ABSOLUTE: return "ABSOLUTE";
1705 case COFF::IMAGE_REL_BASED_HIGH: return "HIGH";
1706 case COFF::IMAGE_REL_BASED_LOW: return "LOW";
1707 case COFF::IMAGE_REL_BASED_HIGHLOW: return "HIGHLOW";
1708 case COFF::IMAGE_REL_BASED_HIGHADJ: return "HIGHADJ";
1709 case COFF::IMAGE_REL_BASED_ARM_MOV32T: return "ARM_MOV32(T)";
1710 case COFF::IMAGE_REL_BASED_DIR64: return "DIR64";
1711 default: return "unknown (" + llvm::utostr(Type) + ")";
1712 }
1713 }
1714
1715 void COFFDumper::printCOFFBaseReloc() {
1716 ListScope D(W, "BaseReloc");
1717 for (const BaseRelocRef &I : Obj->base_relocs()) {
1718 uint8_t Type;
1719 uint32_t RVA;
1720 error(I.getRVA(RVA));
1721 error(I.getType(Type));
1722 DictScope Import(W, "Entry");
1723 W.printString("Type", getBaseRelocTypeName(Type));
1724 W.printHex("Address", RVA);
1725 }
1726 }
1727
1728 void COFFDumper::printCOFFResources() {
1729 ListScope ResourcesD(W, "Resources");
1730 for (const SectionRef &S : Obj->sections()) {
1731 StringRef Name;
1732 error(S.getName(Name));
1733 if (!Name.startswith(".rsrc"))
1734 continue;
1735
1736 StringRef Ref;
1737 error(S.getContents(Ref));
1738
1739 if ((Name == ".rsrc") || (Name == ".rsrc$01")) {
1740 ResourceSectionRef RSF(Ref);
1741 auto &BaseTable = unwrapOrError(RSF.getBaseTable());
1742 W.printNumber("Total Number of Resources",
1743 countTotalTableEntries(RSF, BaseTable, "Type"));
1744 W.printHex("Base Table Address",
1745 Obj->getCOFFSection(S)->PointerToRawData);
1746 W.startLine() << "\n";
1747 printResourceDirectoryTable(RSF, BaseTable, "Type");
1748 }
1749 if (opts::SectionData)
1750 W.printBinaryBlock(Name.str() + " Data", Ref);
1751 }
1752 }
1753
1754 uint32_t
1755 COFFDumper::countTotalTableEntries(ResourceSectionRef RSF,
1756 const coff_resource_dir_table &Table,
1757 StringRef Level) {
1758 uint32_t TotalEntries = 0;
1759 for (int i = 0; i < Table.NumberOfNameEntries + Table.NumberOfIDEntries;
1760 i++) {
1761 auto Entry = unwrapOrError(getResourceDirectoryTableEntry(Table, i));
1762 if (Entry.Offset.isSubDir()) {
1763 StringRef NextLevel;
1764 if (Level == "Name")
1765 NextLevel = "Language";
1766 else
1767 NextLevel = "Name";
1768 auto &NextTable = unwrapOrError(RSF.getEntrySubDir(Entry));
1769 TotalEntries += countTotalTableEntries(RSF, NextTable, NextLevel);
1770 } else {
1771 TotalEntries += 1;
1772 }
1773 }
1774 return TotalEntries;
1775 }
1776
1777 void COFFDumper::printResourceDirectoryTable(
1778 ResourceSectionRef RSF, const coff_resource_dir_table &Table,
1779 StringRef Level) {
1780
1781 W.printNumber("Number of String Entries", Table.NumberOfNameEntries);
1782 W.printNumber("Number of ID Entries", Table.NumberOfIDEntries);
1783
1784 // Iterate through level in resource directory tree.
1785 for (int i = 0; i < Table.NumberOfNameEntries + Table.NumberOfIDEntries;
1786 i++) {
1787 auto Entry = unwrapOrError(getResourceDirectoryTableEntry(Table, i));
1788 StringRef Name;
1789 SmallString<20> IDStr;
1790 raw_svector_ostream OS(IDStr);
1791 if (i < Table.NumberOfNameEntries) {
1792 ArrayRef<UTF16> RawEntryNameString = unwrapOrError(RSF.getEntryNameString(Entry));
1793 std::vector<UTF16> EndianCorrectedNameString;
1794 if (llvm::sys::IsBigEndianHost) {
1795 EndianCorrectedNameString.resize(RawEntryNameString.size() + 1);
1796 std::copy(RawEntryNameString.begin(), RawEntryNameString.end(),
1797 EndianCorrectedNameString.begin() + 1);
1798 EndianCorrectedNameString[0] = UNI_UTF16_BYTE_ORDER_MARK_SWAPPED;
1799 RawEntryNameString = makeArrayRef(EndianCorrectedNameString);
1800 }
1801 std::string EntryNameString;
1802 if (!llvm::convertUTF16ToUTF8String(RawEntryNameString, EntryNameString))
1803 error(object_error::parse_failed);
1804 OS << ": ";
1805 OS << EntryNameString;
1806 } else {
1807 if (Level == "Type") {
1808 ScopedPrinter Printer(OS);
1809 Printer.printEnum("", Entry.Identifier.ID,
1810 makeArrayRef(ResourceTypeNames));
1811 IDStr = IDStr.slice(0, IDStr.find_first_of(")", 0) + 1);
1812 } else {
1813 OS << ": (ID " << Entry.Identifier.ID << ")";
1814 }
1815 }
1816 Name = StringRef(IDStr);
1817 ListScope ResourceType(W, Level.str() + Name.str());
1818 if (Entry.Offset.isSubDir()) {
1819 W.printHex("Table Offset", Entry.Offset.value());
1820 StringRef NextLevel;
1821 if (Level == "Name")
1822 NextLevel = "Language";
1823 else
1824 NextLevel = "Name";
1825 auto &NextTable = unwrapOrError(RSF.getEntrySubDir(Entry));
1826 printResourceDirectoryTable(RSF, NextTable, NextLevel);
1827 } else {
1828 W.printHex("Entry Offset", Entry.Offset.value());
1829 char FormattedTime[20] = {};
1830 time_t TDS = time_t(Table.TimeDateStamp);
1831 strftime(FormattedTime, 20, "%Y-%m-%d %H:%M:%S", gmtime(&TDS));
1832 W.printHex("Time/Date Stamp", FormattedTime, Table.TimeDateStamp);
1833 W.printNumber("Major Version", Table.MajorVersion);
1834 W.printNumber("Minor Version", Table.MinorVersion);
1835 W.printNumber("Characteristics", Table.Characteristics);
1836 }
1837 }
1838 }
1839
1840 ErrorOr<const coff_resource_dir_entry &>
1841 COFFDumper::getResourceDirectoryTableEntry(const coff_resource_dir_table &Table,
1842 uint32_t Index) {
1843 if (Index >= (uint32_t)(Table.NumberOfNameEntries + Table.NumberOfIDEntries))
1844 return object_error::parse_failed;
1845 auto TablePtr = reinterpret_cast<const coff_resource_dir_entry *>(&Table + 1);
1846 return TablePtr[Index];
1847 }
1848
1849 void COFFDumper::printStackMap() const {
1850 object::SectionRef StackMapSection;
1851 for (auto Sec : Obj->sections()) {
1852 StringRef Name;
1853 Sec.getName(Name);
1854 if (Name == ".llvm_stackmaps") {
1855 StackMapSection = Sec;
1856 break;
1857 }
1858 }
1859
1860 if (StackMapSection == object::SectionRef())
1861 return;
1862
1863 StringRef StackMapContents;
1864 StackMapSection.getContents(StackMapContents);
1865 ArrayRef<uint8_t> StackMapContentsArray(
1866 reinterpret_cast<const uint8_t*>(StackMapContents.data()),
1867 StackMapContents.size());
1868
1869 if (Obj->isLittleEndian())
1870 prettyPrintStackMap(
1871 W, StackMapV2Parser<support::little>(StackMapContentsArray));
1872 else
1873 prettyPrintStackMap(W,
1874 StackMapV2Parser<support::big>(StackMapContentsArray));
1875 }
1876
1877 void COFFDumper::printAddrsig() {
1878 object::SectionRef AddrsigSection;
1879 for (auto Sec : Obj->sections()) {
1880 StringRef Name;
1881 Sec.getName(Name);
1882 if (Name == ".llvm_addrsig") {
1883 AddrsigSection = Sec;
1884 break;
1885 }
1886 }
1887
1888 if (AddrsigSection == object::SectionRef())
1889 return;
1890
1891 StringRef AddrsigContents;
1892 AddrsigSection.getContents(AddrsigContents);
1893 ArrayRef<uint8_t> AddrsigContentsArray(
1894 reinterpret_cast<const uint8_t*>(AddrsigContents.data()),
1895 AddrsigContents.size());
1896
1897 ListScope L(W, "Addrsig");
1898 auto *Cur = reinterpret_cast<const uint8_t *>(AddrsigContents.begin());
1899 auto *End = reinterpret_cast<const uint8_t *>(AddrsigContents.end());
1900 while (Cur != End) {
1901 unsigned Size;
1902 const char *Err;
1903 uint64_t SymIndex = decodeULEB128(Cur, &Size, End, &Err);
1904 if (Err)
1905 reportError(Err);
1906
1907 Expected<COFFSymbolRef> Sym = Obj->getSymbol(SymIndex);
1908 StringRef SymName;
1909 std::error_code EC = errorToErrorCode(Sym.takeError());
1910 if (EC || (EC = Obj->getSymbolName(*Sym, SymName))) {
1911 SymName = "";
1912 error(EC);
1913 }
1914
1915 W.printNumber("Sym", SymName, SymIndex);
1916 Cur += Size;
1917 }
1918 }
1919
1920 void llvm::dumpCodeViewMergedTypes(ScopedPrinter &Writer,
1921 ArrayRef<ArrayRef<uint8_t>> IpiRecords,
1922 ArrayRef<ArrayRef<uint8_t>> TpiRecords) {
1923 TypeTableCollection TpiTypes(TpiRecords);
1924 {
1925 ListScope S(Writer, "MergedTypeStream");
1926 TypeDumpVisitor TDV(TpiTypes, &Writer, opts::CodeViewSubsectionBytes);
1927 error(codeview::visitTypeStream(TpiTypes, TDV));
1928 Writer.flush();
1929 }
1930
1931 // Flatten the id stream and print it next. The ID stream refers to names from
1932 // the type stream.
1933 TypeTableCollection IpiTypes(IpiRecords);
1934 {
1935 ListScope S(Writer, "MergedIDStream");
1936 TypeDumpVisitor TDV(TpiTypes, &Writer, opts::CodeViewSubsectionBytes);
1937 TDV.setIpiTypes(IpiTypes);
1938 error(codeview::visitTypeStream(IpiTypes, TDV));
1939 Writer.flush();
1940 }
1941 }
The low level virtual machine