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[ARM] Prevent generating NEON stack accesses under MVE.
[llvm-complete.git] / tools / llvm-readobj / COFFDumper.cpp
blob9b2c6adb9d93042f86b2064c70d8074275288213
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/Object/WindowsResource.h"
47 #include "llvm/Support/BinaryStreamReader.h"
48 #include "llvm/Support/Casting.h"
49 #include "llvm/Support/Compiler.h"
50 #include "llvm/Support/ConvertUTF.h"
51 #include "llvm/Support/FormatVariadic.h"
52 #include "llvm/Support/LEB128.h"
53 #include "llvm/Support/ScopedPrinter.h"
54 #include "llvm/Support/Win64EH.h"
55 #include "llvm/Support/raw_ostream.h"
56
57 using namespace llvm;
58 using namespace llvm::object;
59 using namespace llvm::codeview;
60 using namespace llvm::support;
61 using namespace llvm::Win64EH;
62
63 static inline Error createError(const Twine &Err) {
64 return make_error<StringError>(Err, object_error::parse_failed);
65 }
66
67 namespace {
68
69 struct LoadConfigTables {
70 uint64_t SEHTableVA = 0;
71 uint64_t SEHTableCount = 0;
72 uint32_t GuardFlags = 0;
73 uint64_t GuardFidTableVA = 0;
74 uint64_t GuardFidTableCount = 0;
75 uint64_t GuardLJmpTableVA = 0;
76 uint64_t GuardLJmpTableCount = 0;
77 };
78
79 class COFFDumper : public ObjDumper {
80 public:
81 friend class COFFObjectDumpDelegate;
82 COFFDumper(const llvm::object::COFFObjectFile *Obj, ScopedPrinter &Writer)
83 : ObjDumper(Writer), Obj(Obj), Writer(Writer), Types(100) {}
84
85 void printFileHeaders() override;
86 void printSectionHeaders() override;
87 void printRelocations() override;
88 void printUnwindInfo() override;
89
90 void printNeededLibraries() override;
91
92 void printCOFFImports() override;
93 void printCOFFExports() override;
94 void printCOFFDirectives() override;
95 void printCOFFBaseReloc() override;
96 void printCOFFDebugDirectory() override;
97 void printCOFFResources() override;
98 void printCOFFLoadConfig() override;
99 void printCodeViewDebugInfo() override;
100 void mergeCodeViewTypes(llvm::codeview::MergingTypeTableBuilder &CVIDs,
101 llvm::codeview::MergingTypeTableBuilder &CVTypes,
102 llvm::codeview::GlobalTypeTableBuilder &GlobalCVIDs,
103 llvm::codeview::GlobalTypeTableBuilder &GlobalCVTypes,
104 bool GHash) override;
105 void printStackMap() const override;
106 void printAddrsig() override;
107 private:
108 void printSymbols() override;
109 void printDynamicSymbols() override;
110 void printSymbol(const SymbolRef &Sym);
111 void printRelocation(const SectionRef &Section, const RelocationRef &Reloc,
112 uint64_t Bias = 0);
113 void printDataDirectory(uint32_t Index, const std::string &FieldName);
114
115 void printDOSHeader(const dos_header *DH);
116 template <class PEHeader> void printPEHeader(const PEHeader *Hdr);
117 void printBaseOfDataField(const pe32_header *Hdr);
118 void printBaseOfDataField(const pe32plus_header *Hdr);
119 template <typename T>
120 void printCOFFLoadConfig(const T *Conf, LoadConfigTables &Tables);
121 typedef void (*PrintExtraCB)(raw_ostream &, const uint8_t *);
122 void printRVATable(uint64_t TableVA, uint64_t Count, uint64_t EntrySize,
123 PrintExtraCB PrintExtra = 0);
124
125 void printCodeViewSymbolSection(StringRef SectionName, const SectionRef &Section);
126 void printCodeViewTypeSection(StringRef SectionName, const SectionRef &Section);
127 StringRef getTypeName(TypeIndex Ty);
128 StringRef getFileNameForFileOffset(uint32_t FileOffset);
129 void printFileNameForOffset(StringRef Label, uint32_t FileOffset);
130 void printTypeIndex(StringRef FieldName, TypeIndex TI) {
131 // Forward to CVTypeDumper for simplicity.
132 codeview::printTypeIndex(Writer, FieldName, TI, Types);
133 }
134
135 void printCodeViewSymbolsSubsection(StringRef Subsection,
136 const SectionRef &Section,
137 StringRef SectionContents);
138
139 void printCodeViewFileChecksums(StringRef Subsection);
140
141 void printCodeViewInlineeLines(StringRef Subsection);
142
143 void printRelocatedField(StringRef Label, const coff_section *Sec,
144 uint32_t RelocOffset, uint32_t Offset,
145 StringRef *RelocSym = nullptr);
146
147 uint32_t countTotalTableEntries(ResourceSectionRef RSF,
148 const coff_resource_dir_table &Table,
149 StringRef Level);
150
151 void printResourceDirectoryTable(ResourceSectionRef RSF,
152 const coff_resource_dir_table &Table,
153 StringRef Level);
154
155 void printBinaryBlockWithRelocs(StringRef Label, const SectionRef &Sec,
156 StringRef SectionContents, StringRef Block);
157
158 /// Given a .debug$S section, find the string table and file checksum table.
159 void initializeFileAndStringTables(BinaryStreamReader &Reader);
160
161 void cacheRelocations();
162
163 std::error_code resolveSymbol(const coff_section *Section, uint64_t Offset,
164 SymbolRef &Sym);
165 std::error_code resolveSymbolName(const coff_section *Section,
166 uint64_t Offset, StringRef &Name);
167 std::error_code resolveSymbolName(const coff_section *Section,
168 StringRef SectionContents,
169 const void *RelocPtr, StringRef &Name);
170 void printImportedSymbols(iterator_range<imported_symbol_iterator> Range);
171 void printDelayImportedSymbols(
172 const DelayImportDirectoryEntryRef &I,
173 iterator_range<imported_symbol_iterator> Range);
174
175 typedef DenseMap<const coff_section*, std::vector<RelocationRef> > RelocMapTy;
176
177 const llvm::object::COFFObjectFile *Obj;
178 bool RelocCached = false;
179 RelocMapTy RelocMap;
180
181 DebugChecksumsSubsectionRef CVFileChecksumTable;
182
183 DebugStringTableSubsectionRef CVStringTable;
184
185 /// Track the compilation CPU type. S_COMPILE3 symbol records typically come
186 /// first, but if we don't see one, just assume an X64 CPU type. It is common.
187 CPUType CompilationCPUType = CPUType::X64;
188
189 ScopedPrinter &Writer;
190 BinaryByteStream TypeContents;
191 LazyRandomTypeCollection Types;
192 };
193
194 class COFFObjectDumpDelegate : public SymbolDumpDelegate {
195 public:
196 COFFObjectDumpDelegate(COFFDumper &CD, const SectionRef &SR,
197 const COFFObjectFile *Obj, StringRef SectionContents)
198 : CD(CD), SR(SR), SectionContents(SectionContents) {
199 Sec = Obj->getCOFFSection(SR);
200 }
201
202 uint32_t getRecordOffset(BinaryStreamReader Reader) override {
203 ArrayRef<uint8_t> Data;
204 if (auto EC = Reader.readLongestContiguousChunk(Data)) {
205 llvm::consumeError(std::move(EC));
206 return 0;
207 }
208 return Data.data() - SectionContents.bytes_begin();
209 }
210
211 void printRelocatedField(StringRef Label, uint32_t RelocOffset,
212 uint32_t Offset, StringRef *RelocSym) override {
213 CD.printRelocatedField(Label, Sec, RelocOffset, Offset, RelocSym);
214 }
215
216 void printBinaryBlockWithRelocs(StringRef Label,
217 ArrayRef<uint8_t> Block) override {
218 StringRef SBlock(reinterpret_cast<const char *>(Block.data()),
219 Block.size());
220 if (opts::CodeViewSubsectionBytes)
221 CD.printBinaryBlockWithRelocs(Label, SR, SectionContents, SBlock);
222 }
223
224 StringRef getFileNameForFileOffset(uint32_t FileOffset) override {
225 return CD.getFileNameForFileOffset(FileOffset);
226 }
227
228 DebugStringTableSubsectionRef getStringTable() override {
229 return CD.CVStringTable;
230 }
231
232 private:
233 COFFDumper &CD;
234 const SectionRef &SR;
235 const coff_section *Sec;
236 StringRef SectionContents;
237 };
238
239 } // end namespace
240
241 namespace llvm {
242
243 std::error_code createCOFFDumper(const object::ObjectFile *Obj,
244 ScopedPrinter &Writer,
245 std::unique_ptr<ObjDumper> &Result) {
246 const COFFObjectFile *COFFObj = dyn_cast<COFFObjectFile>(Obj);
247 if (!COFFObj)
248 return readobj_error::unsupported_obj_file_format;
249
250 Result.reset(new COFFDumper(COFFObj, Writer));
251 return readobj_error::success;
252 }
253
254 } // namespace llvm
255
256 // Given a section and an offset into this section the function returns the
257 // symbol used for the relocation at the offset.
258 std::error_code COFFDumper::resolveSymbol(const coff_section *Section,
259 uint64_t Offset, SymbolRef &Sym) {
260 cacheRelocations();
261 const auto &Relocations = RelocMap[Section];
262 auto SymI = Obj->symbol_end();
263 for (const auto &Relocation : Relocations) {
264 uint64_t RelocationOffset = Relocation.getOffset();
265
266 if (RelocationOffset == Offset) {
267 SymI = Relocation.getSymbol();
268 break;
269 }
270 }
271 if (SymI == Obj->symbol_end())
272 return readobj_error::unknown_symbol;
273 Sym = *SymI;
274 return readobj_error::success;
275 }
276
277 // Given a section and an offset into this section the function returns the name
278 // of the symbol used for the relocation at the offset.
279 std::error_code COFFDumper::resolveSymbolName(const coff_section *Section,
280 uint64_t Offset,
281 StringRef &Name) {
282 SymbolRef Symbol;
283 if (std::error_code EC = resolveSymbol(Section, Offset, Symbol))
284 return EC;
285 Expected<StringRef> NameOrErr = Symbol.getName();
286 if (!NameOrErr)
287 return errorToErrorCode(NameOrErr.takeError());
288 Name = *NameOrErr;
289 return std::error_code();
290 }
291
292 // Helper for when you have a pointer to real data and you want to know about
293 // relocations against it.
294 std::error_code COFFDumper::resolveSymbolName(const coff_section *Section,
295 StringRef SectionContents,
296 const void *RelocPtr,
297 StringRef &Name) {
298 assert(SectionContents.data() < RelocPtr &&
299 RelocPtr < SectionContents.data() + SectionContents.size() &&
300 "pointer to relocated object is not in section");
301 uint64_t Offset = ptrdiff_t(reinterpret_cast<const char *>(RelocPtr) -
302 SectionContents.data());
303 return resolveSymbolName(Section, Offset, Name);
304 }
305
306 void COFFDumper::printRelocatedField(StringRef Label, const coff_section *Sec,
307 uint32_t RelocOffset, uint32_t Offset,
308 StringRef *RelocSym) {
309 StringRef SymStorage;
310 StringRef &Symbol = RelocSym ? *RelocSym : SymStorage;
311 if (!resolveSymbolName(Sec, RelocOffset, Symbol))
312 W.printSymbolOffset(Label, Symbol, Offset);
313 else
314 W.printHex(Label, RelocOffset);
315 }
316
317 void COFFDumper::printBinaryBlockWithRelocs(StringRef Label,
318 const SectionRef &Sec,
319 StringRef SectionContents,
320 StringRef Block) {
321 W.printBinaryBlock(Label, Block);
322
323 assert(SectionContents.begin() < Block.begin() &&
324 SectionContents.end() >= Block.end() &&
325 "Block is not contained in SectionContents");
326 uint64_t OffsetStart = Block.data() - SectionContents.data();
327 uint64_t OffsetEnd = OffsetStart + Block.size();
328
329 W.flush();
330 cacheRelocations();
331 ListScope D(W, "BlockRelocations");
332 const coff_section *Section = Obj->getCOFFSection(Sec);
333 const auto &Relocations = RelocMap[Section];
334 for (const auto &Relocation : Relocations) {
335 uint64_t RelocationOffset = Relocation.getOffset();
336 if (OffsetStart <= RelocationOffset && RelocationOffset < OffsetEnd)
337 printRelocation(Sec, Relocation, OffsetStart);
338 }
339 }
340
341 static const EnumEntry<COFF::MachineTypes> ImageFileMachineType[] = {
342 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_UNKNOWN ),
343 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_AM33 ),
344 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_AMD64 ),
345 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_ARM ),
346 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_ARM64 ),
347 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_ARMNT ),
348 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_EBC ),
349 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_I386 ),
350 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_IA64 ),
351 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_M32R ),
352 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_MIPS16 ),
353 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_MIPSFPU ),
354 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_MIPSFPU16),
355 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_POWERPC ),
356 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_POWERPCFP),
357 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_R4000 ),
358 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_SH3 ),
359 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_SH3DSP ),
360 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_SH4 ),
361 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_SH5 ),
362 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_THUMB ),
363 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_WCEMIPSV2)
364 };
365
366 static const EnumEntry<COFF::Characteristics> ImageFileCharacteristics[] = {
367 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_RELOCS_STRIPPED ),
368 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_EXECUTABLE_IMAGE ),
369 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_LINE_NUMS_STRIPPED ),
370 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_LOCAL_SYMS_STRIPPED ),
371 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_AGGRESSIVE_WS_TRIM ),
372 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_LARGE_ADDRESS_AWARE ),
373 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_BYTES_REVERSED_LO ),
374 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_32BIT_MACHINE ),
375 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_DEBUG_STRIPPED ),
376 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_REMOVABLE_RUN_FROM_SWAP),
377 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_NET_RUN_FROM_SWAP ),
378 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_SYSTEM ),
379 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_DLL ),
380 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_UP_SYSTEM_ONLY ),
381 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_BYTES_REVERSED_HI )
382 };
383
384 static const EnumEntry<COFF::WindowsSubsystem> PEWindowsSubsystem[] = {
385 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SUBSYSTEM_UNKNOWN ),
386 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SUBSYSTEM_NATIVE ),
387 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SUBSYSTEM_WINDOWS_GUI ),
388 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SUBSYSTEM_WINDOWS_CUI ),
389 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SUBSYSTEM_POSIX_CUI ),
390 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SUBSYSTEM_WINDOWS_CE_GUI ),
391 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SUBSYSTEM_EFI_APPLICATION ),
392 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SUBSYSTEM_EFI_BOOT_SERVICE_DRIVER),
393 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SUBSYSTEM_EFI_RUNTIME_DRIVER ),
394 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SUBSYSTEM_EFI_ROM ),
395 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SUBSYSTEM_XBOX ),
396 };
397
398 static const EnumEntry<COFF::DLLCharacteristics> PEDLLCharacteristics[] = {
399 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_DLL_CHARACTERISTICS_HIGH_ENTROPY_VA ),
400 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_DLL_CHARACTERISTICS_DYNAMIC_BASE ),
401 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_DLL_CHARACTERISTICS_FORCE_INTEGRITY ),
402 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_DLL_CHARACTERISTICS_NX_COMPAT ),
403 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_DLL_CHARACTERISTICS_NO_ISOLATION ),
404 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_DLL_CHARACTERISTICS_NO_SEH ),
405 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_DLL_CHARACTERISTICS_NO_BIND ),
406 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_DLL_CHARACTERISTICS_APPCONTAINER ),
407 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_DLL_CHARACTERISTICS_WDM_DRIVER ),
408 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_DLL_CHARACTERISTICS_GUARD_CF ),
409 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_DLL_CHARACTERISTICS_TERMINAL_SERVER_AWARE),
410 };
411
412 static const EnumEntry<COFF::SectionCharacteristics>
413 ImageSectionCharacteristics[] = {
414 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_TYPE_NOLOAD ),
415 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_TYPE_NO_PAD ),
416 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_CNT_CODE ),
417 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_CNT_INITIALIZED_DATA ),
418 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_CNT_UNINITIALIZED_DATA),
419 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_LNK_OTHER ),
420 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_LNK_INFO ),
421 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_LNK_REMOVE ),
422 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_LNK_COMDAT ),
423 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_GPREL ),
424 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_MEM_PURGEABLE ),
425 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_MEM_16BIT ),
426 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_MEM_LOCKED ),
427 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_MEM_PRELOAD ),
428 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_ALIGN_1BYTES ),
429 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_ALIGN_2BYTES ),
430 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_ALIGN_4BYTES ),
431 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_ALIGN_8BYTES ),
432 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_ALIGN_16BYTES ),
433 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_ALIGN_32BYTES ),
434 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_ALIGN_64BYTES ),
435 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_ALIGN_128BYTES ),
436 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_ALIGN_256BYTES ),
437 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_ALIGN_512BYTES ),
438 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_ALIGN_1024BYTES ),
439 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_ALIGN_2048BYTES ),
440 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_ALIGN_4096BYTES ),
441 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_ALIGN_8192BYTES ),
442 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_LNK_NRELOC_OVFL ),
443 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_MEM_DISCARDABLE ),
444 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_MEM_NOT_CACHED ),
445 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_MEM_NOT_PAGED ),
446 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_MEM_SHARED ),
447 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_MEM_EXECUTE ),
448 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_MEM_READ ),
449 LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_MEM_WRITE )
450 };
451
452 static const EnumEntry<COFF::SymbolBaseType> ImageSymType[] = {
453 { "Null" , COFF::IMAGE_SYM_TYPE_NULL },
454 { "Void" , COFF::IMAGE_SYM_TYPE_VOID },
455 { "Char" , COFF::IMAGE_SYM_TYPE_CHAR },
456 { "Short" , COFF::IMAGE_SYM_TYPE_SHORT },
457 { "Int" , COFF::IMAGE_SYM_TYPE_INT },
458 { "Long" , COFF::IMAGE_SYM_TYPE_LONG },
459 { "Float" , COFF::IMAGE_SYM_TYPE_FLOAT },
460 { "Double", COFF::IMAGE_SYM_TYPE_DOUBLE },
461 { "Struct", COFF::IMAGE_SYM_TYPE_STRUCT },
462 { "Union" , COFF::IMAGE_SYM_TYPE_UNION },
463 { "Enum" , COFF::IMAGE_SYM_TYPE_ENUM },
464 { "MOE" , COFF::IMAGE_SYM_TYPE_MOE },
465 { "Byte" , COFF::IMAGE_SYM_TYPE_BYTE },
466 { "Word" , COFF::IMAGE_SYM_TYPE_WORD },
467 { "UInt" , COFF::IMAGE_SYM_TYPE_UINT },
468 { "DWord" , COFF::IMAGE_SYM_TYPE_DWORD }
469 };
470
471 static const EnumEntry<COFF::SymbolComplexType> ImageSymDType[] = {
472 { "Null" , COFF::IMAGE_SYM_DTYPE_NULL },
473 { "Pointer" , COFF::IMAGE_SYM_DTYPE_POINTER },
474 { "Function", COFF::IMAGE_SYM_DTYPE_FUNCTION },
475 { "Array" , COFF::IMAGE_SYM_DTYPE_ARRAY }
476 };
477
478 static const EnumEntry<COFF::SymbolStorageClass> ImageSymClass[] = {
479 { "EndOfFunction" , COFF::IMAGE_SYM_CLASS_END_OF_FUNCTION },
480 { "Null" , COFF::IMAGE_SYM_CLASS_NULL },
481 { "Automatic" , COFF::IMAGE_SYM_CLASS_AUTOMATIC },
482 { "External" , COFF::IMAGE_SYM_CLASS_EXTERNAL },
483 { "Static" , COFF::IMAGE_SYM_CLASS_STATIC },
484 { "Register" , COFF::IMAGE_SYM_CLASS_REGISTER },
485 { "ExternalDef" , COFF::IMAGE_SYM_CLASS_EXTERNAL_DEF },
486 { "Label" , COFF::IMAGE_SYM_CLASS_LABEL },
487 { "UndefinedLabel" , COFF::IMAGE_SYM_CLASS_UNDEFINED_LABEL },
488 { "MemberOfStruct" , COFF::IMAGE_SYM_CLASS_MEMBER_OF_STRUCT },
489 { "Argument" , COFF::IMAGE_SYM_CLASS_ARGUMENT },
490 { "StructTag" , COFF::IMAGE_SYM_CLASS_STRUCT_TAG },
491 { "MemberOfUnion" , COFF::IMAGE_SYM_CLASS_MEMBER_OF_UNION },
492 { "UnionTag" , COFF::IMAGE_SYM_CLASS_UNION_TAG },
493 { "TypeDefinition" , COFF::IMAGE_SYM_CLASS_TYPE_DEFINITION },
494 { "UndefinedStatic", COFF::IMAGE_SYM_CLASS_UNDEFINED_STATIC },
495 { "EnumTag" , COFF::IMAGE_SYM_CLASS_ENUM_TAG },
496 { "MemberOfEnum" , COFF::IMAGE_SYM_CLASS_MEMBER_OF_ENUM },
497 { "RegisterParam" , COFF::IMAGE_SYM_CLASS_REGISTER_PARAM },
498 { "BitField" , COFF::IMAGE_SYM_CLASS_BIT_FIELD },
499 { "Block" , COFF::IMAGE_SYM_CLASS_BLOCK },
500 { "Function" , COFF::IMAGE_SYM_CLASS_FUNCTION },
501 { "EndOfStruct" , COFF::IMAGE_SYM_CLASS_END_OF_STRUCT },
502 { "File" , COFF::IMAGE_SYM_CLASS_FILE },
503 { "Section" , COFF::IMAGE_SYM_CLASS_SECTION },
504 { "WeakExternal" , COFF::IMAGE_SYM_CLASS_WEAK_EXTERNAL },
505 { "CLRToken" , COFF::IMAGE_SYM_CLASS_CLR_TOKEN }
506 };
507
508 static const EnumEntry<COFF::COMDATType> ImageCOMDATSelect[] = {
509 { "NoDuplicates", COFF::IMAGE_COMDAT_SELECT_NODUPLICATES },
510 { "Any" , COFF::IMAGE_COMDAT_SELECT_ANY },
511 { "SameSize" , COFF::IMAGE_COMDAT_SELECT_SAME_SIZE },
512 { "ExactMatch" , COFF::IMAGE_COMDAT_SELECT_EXACT_MATCH },
513 { "Associative" , COFF::IMAGE_COMDAT_SELECT_ASSOCIATIVE },
514 { "Largest" , COFF::IMAGE_COMDAT_SELECT_LARGEST },
515 { "Newest" , COFF::IMAGE_COMDAT_SELECT_NEWEST }
516 };
517
518 static const EnumEntry<COFF::DebugType> ImageDebugType[] = {
519 { "Unknown" , COFF::IMAGE_DEBUG_TYPE_UNKNOWN },
520 { "COFF" , COFF::IMAGE_DEBUG_TYPE_COFF },
521 { "CodeView" , COFF::IMAGE_DEBUG_TYPE_CODEVIEW },
522 { "FPO" , COFF::IMAGE_DEBUG_TYPE_FPO },
523 { "Misc" , COFF::IMAGE_DEBUG_TYPE_MISC },
524 { "Exception" , COFF::IMAGE_DEBUG_TYPE_EXCEPTION },
525 { "Fixup" , COFF::IMAGE_DEBUG_TYPE_FIXUP },
526 { "OmapToSrc" , COFF::IMAGE_DEBUG_TYPE_OMAP_TO_SRC },
527 { "OmapFromSrc", COFF::IMAGE_DEBUG_TYPE_OMAP_FROM_SRC },
528 { "Borland" , COFF::IMAGE_DEBUG_TYPE_BORLAND },
529 { "Reserved10" , COFF::IMAGE_DEBUG_TYPE_RESERVED10 },
530 { "CLSID" , COFF::IMAGE_DEBUG_TYPE_CLSID },
531 { "VCFeature" , COFF::IMAGE_DEBUG_TYPE_VC_FEATURE },
532 { "POGO" , COFF::IMAGE_DEBUG_TYPE_POGO },
533 { "ILTCG" , COFF::IMAGE_DEBUG_TYPE_ILTCG },
534 { "MPX" , COFF::IMAGE_DEBUG_TYPE_MPX },
535 { "Repro" , COFF::IMAGE_DEBUG_TYPE_REPRO },
536 };
537
538 static const EnumEntry<COFF::WeakExternalCharacteristics>
539 WeakExternalCharacteristics[] = {
540 { "NoLibrary", COFF::IMAGE_WEAK_EXTERN_SEARCH_NOLIBRARY },
541 { "Library" , COFF::IMAGE_WEAK_EXTERN_SEARCH_LIBRARY },
542 { "Alias" , COFF::IMAGE_WEAK_EXTERN_SEARCH_ALIAS }
543 };
544
545 static const EnumEntry<uint32_t> SubSectionTypes[] = {
546 LLVM_READOBJ_ENUM_CLASS_ENT(DebugSubsectionKind, Symbols),
547 LLVM_READOBJ_ENUM_CLASS_ENT(DebugSubsectionKind, Lines),
548 LLVM_READOBJ_ENUM_CLASS_ENT(DebugSubsectionKind, StringTable),
549 LLVM_READOBJ_ENUM_CLASS_ENT(DebugSubsectionKind, FileChecksums),
550 LLVM_READOBJ_ENUM_CLASS_ENT(DebugSubsectionKind, FrameData),
551 LLVM_READOBJ_ENUM_CLASS_ENT(DebugSubsectionKind, InlineeLines),
552 LLVM_READOBJ_ENUM_CLASS_ENT(DebugSubsectionKind, CrossScopeImports),
553 LLVM_READOBJ_ENUM_CLASS_ENT(DebugSubsectionKind, CrossScopeExports),
554 LLVM_READOBJ_ENUM_CLASS_ENT(DebugSubsectionKind, ILLines),
555 LLVM_READOBJ_ENUM_CLASS_ENT(DebugSubsectionKind, FuncMDTokenMap),
556 LLVM_READOBJ_ENUM_CLASS_ENT(DebugSubsectionKind, TypeMDTokenMap),
557 LLVM_READOBJ_ENUM_CLASS_ENT(DebugSubsectionKind, MergedAssemblyInput),
558 LLVM_READOBJ_ENUM_CLASS_ENT(DebugSubsectionKind, CoffSymbolRVA),
559 };
560
561 static const EnumEntry<uint32_t> FrameDataFlags[] = {
562 LLVM_READOBJ_ENUM_ENT(FrameData, HasSEH),
563 LLVM_READOBJ_ENUM_ENT(FrameData, HasEH),
564 LLVM_READOBJ_ENUM_ENT(FrameData, IsFunctionStart),
565 };
566
567 static const EnumEntry<uint8_t> FileChecksumKindNames[] = {
568 LLVM_READOBJ_ENUM_CLASS_ENT(FileChecksumKind, None),
569 LLVM_READOBJ_ENUM_CLASS_ENT(FileChecksumKind, MD5),
570 LLVM_READOBJ_ENUM_CLASS_ENT(FileChecksumKind, SHA1),
571 LLVM_READOBJ_ENUM_CLASS_ENT(FileChecksumKind, SHA256),
572 };
573
574 template <typename T>
575 static std::error_code getSymbolAuxData(const COFFObjectFile *Obj,
576 COFFSymbolRef Symbol,
577 uint8_t AuxSymbolIdx, const T *&Aux) {
578 ArrayRef<uint8_t> AuxData = Obj->getSymbolAuxData(Symbol);
579 AuxData = AuxData.slice(AuxSymbolIdx * Obj->getSymbolTableEntrySize());
580 Aux = reinterpret_cast<const T*>(AuxData.data());
581 return readobj_error::success;
582 }
583
584 void COFFDumper::cacheRelocations() {
585 if (RelocCached)
586 return;
587 RelocCached = true;
588
589 for (const SectionRef &S : Obj->sections()) {
590 const coff_section *Section = Obj->getCOFFSection(S);
591
592 for (const RelocationRef &Reloc : S.relocations())
593 RelocMap[Section].push_back(Reloc);
594
595 // Sort relocations by address.
596 llvm::sort(RelocMap[Section], [](RelocationRef L, RelocationRef R) {
597 return L.getOffset() < R.getOffset();
598 });
599 }
600 }
601
602 void COFFDumper::printDataDirectory(uint32_t Index,
603 const std::string &FieldName) {
604 const data_directory *Data;
605 if (Obj->getDataDirectory(Index, Data))
606 return;
607 W.printHex(FieldName + "RVA", Data->RelativeVirtualAddress);
608 W.printHex(FieldName + "Size", Data->Size);
609 }
610
611 void COFFDumper::printFileHeaders() {
612 time_t TDS = Obj->getTimeDateStamp();
613 char FormattedTime[20] = { };
614 strftime(FormattedTime, 20, "%Y-%m-%d %H:%M:%S", gmtime(&TDS));
615
616 {
617 DictScope D(W, "ImageFileHeader");
618 W.printEnum ("Machine", Obj->getMachine(),
619 makeArrayRef(ImageFileMachineType));
620 W.printNumber("SectionCount", Obj->getNumberOfSections());
621 W.printHex ("TimeDateStamp", FormattedTime, Obj->getTimeDateStamp());
622 W.printHex ("PointerToSymbolTable", Obj->getPointerToSymbolTable());
623 W.printNumber("SymbolCount", Obj->getNumberOfSymbols());
624 W.printNumber("OptionalHeaderSize", Obj->getSizeOfOptionalHeader());
625 W.printFlags ("Characteristics", Obj->getCharacteristics(),
626 makeArrayRef(ImageFileCharacteristics));
627 }
628
629 // Print PE header. This header does not exist if this is an object file and
630 // not an executable.
631 if (const pe32_header *PEHeader = Obj->getPE32Header())
632 printPEHeader<pe32_header>(PEHeader);
633
634 if (const pe32plus_header *PEPlusHeader = Obj->getPE32PlusHeader())
635 printPEHeader<pe32plus_header>(PEPlusHeader);
636
637 if (const dos_header *DH = Obj->getDOSHeader())
638 printDOSHeader(DH);
639 }
640
641 void COFFDumper::printDOSHeader(const dos_header *DH) {
642 DictScope D(W, "DOSHeader");
643 W.printString("Magic", StringRef(DH->Magic, sizeof(DH->Magic)));
644 W.printNumber("UsedBytesInTheLastPage", DH->UsedBytesInTheLastPage);
645 W.printNumber("FileSizeInPages", DH->FileSizeInPages);
646 W.printNumber("NumberOfRelocationItems", DH->NumberOfRelocationItems);
647 W.printNumber("HeaderSizeInParagraphs", DH->HeaderSizeInParagraphs);
648 W.printNumber("MinimumExtraParagraphs", DH->MinimumExtraParagraphs);
649 W.printNumber("MaximumExtraParagraphs", DH->MaximumExtraParagraphs);
650 W.printNumber("InitialRelativeSS", DH->InitialRelativeSS);
651 W.printNumber("InitialSP", DH->InitialSP);
652 W.printNumber("Checksum", DH->Checksum);
653 W.printNumber("InitialIP", DH->InitialIP);
654 W.printNumber("InitialRelativeCS", DH->InitialRelativeCS);
655 W.printNumber("AddressOfRelocationTable", DH->AddressOfRelocationTable);
656 W.printNumber("OverlayNumber", DH->OverlayNumber);
657 W.printNumber("OEMid", DH->OEMid);
658 W.printNumber("OEMinfo", DH->OEMinfo);
659 W.printNumber("AddressOfNewExeHeader", DH->AddressOfNewExeHeader);
660 }
661
662 template <class PEHeader>
663 void COFFDumper::printPEHeader(const PEHeader *Hdr) {
664 DictScope D(W, "ImageOptionalHeader");
665 W.printHex ("Magic", Hdr->Magic);
666 W.printNumber("MajorLinkerVersion", Hdr->MajorLinkerVersion);
667 W.printNumber("MinorLinkerVersion", Hdr->MinorLinkerVersion);
668 W.printNumber("SizeOfCode", Hdr->SizeOfCode);
669 W.printNumber("SizeOfInitializedData", Hdr->SizeOfInitializedData);
670 W.printNumber("SizeOfUninitializedData", Hdr->SizeOfUninitializedData);
671 W.printHex ("AddressOfEntryPoint", Hdr->AddressOfEntryPoint);
672 W.printHex ("BaseOfCode", Hdr->BaseOfCode);
673 printBaseOfDataField(Hdr);
674 W.printHex ("ImageBase", Hdr->ImageBase);
675 W.printNumber("SectionAlignment", Hdr->SectionAlignment);
676 W.printNumber("FileAlignment", Hdr->FileAlignment);
677 W.printNumber("MajorOperatingSystemVersion",
678 Hdr->MajorOperatingSystemVersion);
679 W.printNumber("MinorOperatingSystemVersion",
680 Hdr->MinorOperatingSystemVersion);
681 W.printNumber("MajorImageVersion", Hdr->MajorImageVersion);
682 W.printNumber("MinorImageVersion", Hdr->MinorImageVersion);
683 W.printNumber("MajorSubsystemVersion", Hdr->MajorSubsystemVersion);
684 W.printNumber("MinorSubsystemVersion", Hdr->MinorSubsystemVersion);
685 W.printNumber("SizeOfImage", Hdr->SizeOfImage);
686 W.printNumber("SizeOfHeaders", Hdr->SizeOfHeaders);
687 W.printEnum ("Subsystem", Hdr->Subsystem, makeArrayRef(PEWindowsSubsystem));
688 W.printFlags ("Characteristics", Hdr->DLLCharacteristics,
689 makeArrayRef(PEDLLCharacteristics));
690 W.printNumber("SizeOfStackReserve", Hdr->SizeOfStackReserve);
691 W.printNumber("SizeOfStackCommit", Hdr->SizeOfStackCommit);
692 W.printNumber("SizeOfHeapReserve", Hdr->SizeOfHeapReserve);
693 W.printNumber("SizeOfHeapCommit", Hdr->SizeOfHeapCommit);
694 W.printNumber("NumberOfRvaAndSize", Hdr->NumberOfRvaAndSize);
695
696 if (Hdr->NumberOfRvaAndSize > 0) {
697 DictScope D(W, "DataDirectory");
698 static const char * const directory[] = {
699 "ExportTable", "ImportTable", "ResourceTable", "ExceptionTable",
700 "CertificateTable", "BaseRelocationTable", "Debug", "Architecture",
701 "GlobalPtr", "TLSTable", "LoadConfigTable", "BoundImport", "IAT",
702 "DelayImportDescriptor", "CLRRuntimeHeader", "Reserved"
703 };
704
705 for (uint32_t i = 0; i < Hdr->NumberOfRvaAndSize; ++i)
706 printDataDirectory(i, directory[i]);
707 }
708 }
709
710 void COFFDumper::printCOFFDebugDirectory() {
711 ListScope LS(W, "DebugDirectory");
712 for (const debug_directory &D : Obj->debug_directories()) {
713 char FormattedTime[20] = {};
714 time_t TDS = D.TimeDateStamp;
715 strftime(FormattedTime, 20, "%Y-%m-%d %H:%M:%S", gmtime(&TDS));
716 DictScope S(W, "DebugEntry");
717 W.printHex("Characteristics", D.Characteristics);
718 W.printHex("TimeDateStamp", FormattedTime, D.TimeDateStamp);
719 W.printHex("MajorVersion", D.MajorVersion);
720 W.printHex("MinorVersion", D.MinorVersion);
721 W.printEnum("Type", D.Type, makeArrayRef(ImageDebugType));
722 W.printHex("SizeOfData", D.SizeOfData);
723 W.printHex("AddressOfRawData", D.AddressOfRawData);
724 W.printHex("PointerToRawData", D.PointerToRawData);
725 if (D.Type == COFF::IMAGE_DEBUG_TYPE_CODEVIEW) {
726 const codeview::DebugInfo *DebugInfo;
727 StringRef PDBFileName;
728 if (std::error_code EC = Obj->getDebugPDBInfo(&D, DebugInfo, PDBFileName))
729 reportError(errorCodeToError(EC), Obj->getFileName());
730
731 DictScope PDBScope(W, "PDBInfo");
732 W.printHex("PDBSignature", DebugInfo->Signature.CVSignature);
733 if (DebugInfo->Signature.CVSignature == OMF::Signature::PDB70) {
734 W.printBinary("PDBGUID", makeArrayRef(DebugInfo->PDB70.Signature));
735 W.printNumber("PDBAge", DebugInfo->PDB70.Age);
736 W.printString("PDBFileName", PDBFileName);
737 }
738 } else if (D.SizeOfData != 0) {
739 // FIXME: Type values of 12 and 13 are commonly observed but are not in
740 // the documented type enum. Figure out what they mean.
741 ArrayRef<uint8_t> RawData;
742 if (std::error_code EC = Obj->getRvaAndSizeAsBytes(D.AddressOfRawData,
743 D.SizeOfData, RawData))
744 reportError(errorCodeToError(EC), Obj->getFileName());
745 W.printBinaryBlock("RawData", RawData);
746 }
747 }
748 }
749
750 void COFFDumper::printRVATable(uint64_t TableVA, uint64_t Count,
751 uint64_t EntrySize, PrintExtraCB PrintExtra) {
752 uintptr_t TableStart, TableEnd;
753 if (std::error_code EC = Obj->getVaPtr(TableVA, TableStart))
754 reportError(errorCodeToError(EC), Obj->getFileName());
755 if (std::error_code EC =
756 Obj->getVaPtr(TableVA + Count * EntrySize - 1, TableEnd))
757 reportError(errorCodeToError(EC), Obj->getFileName());
758 TableEnd++;
759 for (uintptr_t I = TableStart; I < TableEnd; I += EntrySize) {
760 uint32_t RVA = *reinterpret_cast<const ulittle32_t *>(I);
761 raw_ostream &OS = W.startLine();
762 OS << W.hex(Obj->getImageBase() + RVA);
763 if (PrintExtra)
764 PrintExtra(OS, reinterpret_cast<const uint8_t *>(I));
765 OS << '\n';
766 }
767 }
768
769 void COFFDumper::printCOFFLoadConfig() {
770 LoadConfigTables Tables;
771 if (Obj->is64())
772 printCOFFLoadConfig(Obj->getLoadConfig64(), Tables);
773 else
774 printCOFFLoadConfig(Obj->getLoadConfig32(), Tables);
775
776 if (Tables.SEHTableVA) {
777 ListScope LS(W, "SEHTable");
778 printRVATable(Tables.SEHTableVA, Tables.SEHTableCount, 4);
779 }
780
781 if (Tables.GuardFidTableVA) {
782 ListScope LS(W, "GuardFidTable");
783 if (Tables.GuardFlags & uint32_t(coff_guard_flags::FidTableHasFlags)) {
784 auto PrintGuardFlags = [](raw_ostream &OS, const uint8_t *Entry) {
785 uint8_t Flags = *reinterpret_cast<const uint8_t *>(Entry + 4);
786 if (Flags)
787 OS << " flags " << utohexstr(Flags);
788 };
789 printRVATable(Tables.GuardFidTableVA, Tables.GuardFidTableCount, 5,
790 PrintGuardFlags);
791 } else {
792 printRVATable(Tables.GuardFidTableVA, Tables.GuardFidTableCount, 4);
793 }
794 }
795
796 if (Tables.GuardLJmpTableVA) {
797 ListScope LS(W, "GuardLJmpTable");
798 printRVATable(Tables.GuardLJmpTableVA, Tables.GuardLJmpTableCount, 4);
799 }
800 }
801
802 template <typename T>
803 void COFFDumper::printCOFFLoadConfig(const T *Conf, LoadConfigTables &Tables) {
804 if (!Conf)
805 return;
806
807 ListScope LS(W, "LoadConfig");
808 char FormattedTime[20] = {};
809 time_t TDS = Conf->TimeDateStamp;
810 strftime(FormattedTime, 20, "%Y-%m-%d %H:%M:%S", gmtime(&TDS));
811 W.printHex("Size", Conf->Size);
812
813 // Print everything before SecurityCookie. The vast majority of images today
814 // have all these fields.
815 if (Conf->Size < offsetof(T, SEHandlerTable))
816 return;
817 W.printHex("TimeDateStamp", FormattedTime, TDS);
818 W.printHex("MajorVersion", Conf->MajorVersion);
819 W.printHex("MinorVersion", Conf->MinorVersion);
820 W.printHex("GlobalFlagsClear", Conf->GlobalFlagsClear);
821 W.printHex("GlobalFlagsSet", Conf->GlobalFlagsSet);
822 W.printHex("CriticalSectionDefaultTimeout",
823 Conf->CriticalSectionDefaultTimeout);
824 W.printHex("DeCommitFreeBlockThreshold", Conf->DeCommitFreeBlockThreshold);
825 W.printHex("DeCommitTotalFreeThreshold", Conf->DeCommitTotalFreeThreshold);
826 W.printHex("LockPrefixTable", Conf->LockPrefixTable);
827 W.printHex("MaximumAllocationSize", Conf->MaximumAllocationSize);
828 W.printHex("VirtualMemoryThreshold", Conf->VirtualMemoryThreshold);
829 W.printHex("ProcessHeapFlags", Conf->ProcessHeapFlags);
830 W.printHex("ProcessAffinityMask", Conf->ProcessAffinityMask);
831 W.printHex("CSDVersion", Conf->CSDVersion);
832 W.printHex("DependentLoadFlags", Conf->DependentLoadFlags);
833 W.printHex("EditList", Conf->EditList);
834 W.printHex("SecurityCookie", Conf->SecurityCookie);
835
836 // Print the safe SEH table if present.
837 if (Conf->Size < offsetof(coff_load_configuration32, GuardCFCheckFunction))
838 return;
839 W.printHex("SEHandlerTable", Conf->SEHandlerTable);
840 W.printNumber("SEHandlerCount", Conf->SEHandlerCount);
841
842 Tables.SEHTableVA = Conf->SEHandlerTable;
843 Tables.SEHTableCount = Conf->SEHandlerCount;
844
845 // Print everything before CodeIntegrity. (2015)
846 if (Conf->Size < offsetof(T, CodeIntegrity))
847 return;
848 W.printHex("GuardCFCheckFunction", Conf->GuardCFCheckFunction);
849 W.printHex("GuardCFCheckDispatch", Conf->GuardCFCheckDispatch);
850 W.printHex("GuardCFFunctionTable", Conf->GuardCFFunctionTable);
851 W.printNumber("GuardCFFunctionCount", Conf->GuardCFFunctionCount);
852 W.printHex("GuardFlags", Conf->GuardFlags);
853
854 Tables.GuardFidTableVA = Conf->GuardCFFunctionTable;
855 Tables.GuardFidTableCount = Conf->GuardCFFunctionCount;
856 Tables.GuardFlags = Conf->GuardFlags;
857
858 // Print the rest. (2017)
859 if (Conf->Size < sizeof(T))
860 return;
861 W.printHex("GuardAddressTakenIatEntryTable",
862 Conf->GuardAddressTakenIatEntryTable);
863 W.printNumber("GuardAddressTakenIatEntryCount",
864 Conf->GuardAddressTakenIatEntryCount);
865 W.printHex("GuardLongJumpTargetTable", Conf->GuardLongJumpTargetTable);
866 W.printNumber("GuardLongJumpTargetCount", Conf->GuardLongJumpTargetCount);
867 W.printHex("DynamicValueRelocTable", Conf->DynamicValueRelocTable);
868 W.printHex("CHPEMetadataPointer", Conf->CHPEMetadataPointer);
869 W.printHex("GuardRFFailureRoutine", Conf->GuardRFFailureRoutine);
870 W.printHex("GuardRFFailureRoutineFunctionPointer",
871 Conf->GuardRFFailureRoutineFunctionPointer);
872 W.printHex("DynamicValueRelocTableOffset",
873 Conf->DynamicValueRelocTableOffset);
874 W.printNumber("DynamicValueRelocTableSection",
875 Conf->DynamicValueRelocTableSection);
876 W.printHex("GuardRFVerifyStackPointerFunctionPointer",
877 Conf->GuardRFVerifyStackPointerFunctionPointer);
878 W.printHex("HotPatchTableOffset", Conf->HotPatchTableOffset);
879
880 Tables.GuardLJmpTableVA = Conf->GuardLongJumpTargetTable;
881 Tables.GuardLJmpTableCount = Conf->GuardLongJumpTargetCount;
882 }
883
884 void COFFDumper::printBaseOfDataField(const pe32_header *Hdr) {
885 W.printHex("BaseOfData", Hdr->BaseOfData);
886 }
887
888 void COFFDumper::printBaseOfDataField(const pe32plus_header *) {}
889
890 void COFFDumper::printCodeViewDebugInfo() {
891 // Print types first to build CVUDTNames, then print symbols.
892 for (const SectionRef &S : Obj->sections()) {
893 StringRef SectionName = unwrapOrError(Obj->getFileName(), S.getName());
894 // .debug$T is a standard CodeView type section, while .debug$P is the same
895 // format but used for MSVC precompiled header object files.
896 if (SectionName == ".debug$T" || SectionName == ".debug$P")
897 printCodeViewTypeSection(SectionName, S);
898 }
899 for (const SectionRef &S : Obj->sections()) {
900 StringRef SectionName = unwrapOrError(Obj->getFileName(), S.getName());
901 if (SectionName == ".debug$S")
902 printCodeViewSymbolSection(SectionName, S);
903 }
904 }
905
906 void COFFDumper::initializeFileAndStringTables(BinaryStreamReader &Reader) {
907 while (Reader.bytesRemaining() > 0 &&
908 (!CVFileChecksumTable.valid() || !CVStringTable.valid())) {
909 // The section consists of a number of subsection in the following format:
910 // |SubSectionType|SubSectionSize|Contents...|
911 uint32_t SubType, SubSectionSize;
912
913 if (Error E = Reader.readInteger(SubType))
914 reportError(std::move(E), Obj->getFileName());
915 if (Error E = Reader.readInteger(SubSectionSize))
916 reportError(std::move(E), Obj->getFileName());
917
918 StringRef Contents;
919 if (Error E = Reader.readFixedString(Contents, SubSectionSize))
920 reportError(std::move(E), Obj->getFileName());
921
922 BinaryStreamRef ST(Contents, support::little);
923 switch (DebugSubsectionKind(SubType)) {
924 case DebugSubsectionKind::FileChecksums:
925 if (Error E = CVFileChecksumTable.initialize(ST))
926 reportError(std::move(E), Obj->getFileName());
927 break;
928 case DebugSubsectionKind::StringTable:
929 if (Error E = CVStringTable.initialize(ST))
930 reportError(std::move(E), Obj->getFileName());
931 break;
932 default:
933 break;
934 }
935
936 uint32_t PaddedSize = alignTo(SubSectionSize, 4);
937 if (Error E = Reader.skip(PaddedSize - SubSectionSize))
938 reportError(std::move(E), Obj->getFileName());
939 }
940 }
941
942 void COFFDumper::printCodeViewSymbolSection(StringRef SectionName,
943 const SectionRef &Section) {
944 StringRef SectionContents =
945 unwrapOrError(Obj->getFileName(), Section.getContents());
946 StringRef Data = SectionContents;
947
948 SmallVector<StringRef, 10> FunctionNames;
949 StringMap<StringRef> FunctionLineTables;
950
951 ListScope D(W, "CodeViewDebugInfo");
952 // Print the section to allow correlation with printSectionHeaders.
953 W.printNumber("Section", SectionName, Obj->getSectionID(Section));
954
955 uint32_t Magic;
956 if (Error E = consume(Data, Magic))
957 reportError(std::move(E), Obj->getFileName());
958
959 W.printHex("Magic", Magic);
960 if (Magic != COFF::DEBUG_SECTION_MAGIC)
961 reportError(errorCodeToError(object_error::parse_failed),
962 Obj->getFileName());
963
964 BinaryStreamReader FSReader(Data, support::little);
965 initializeFileAndStringTables(FSReader);
966
967 // TODO: Convert this over to using ModuleSubstreamVisitor.
968 while (!Data.empty()) {
969 // The section consists of a number of subsection in the following format:
970 // |SubSectionType|SubSectionSize|Contents...|
971 uint32_t SubType, SubSectionSize;
972 if (Error E = consume(Data, SubType))
973 reportError(std::move(E), Obj->getFileName());
974 if (Error E = consume(Data, SubSectionSize))
975 reportError(std::move(E), Obj->getFileName());
976
977 ListScope S(W, "Subsection");
978 // Dump the subsection as normal even if the ignore bit is set.
979 if (SubType & SubsectionIgnoreFlag) {
980 W.printHex("IgnoredSubsectionKind", SubType);
981 SubType &= ~SubsectionIgnoreFlag;
982 }
983 W.printEnum("SubSectionType", SubType, makeArrayRef(SubSectionTypes));
984 W.printHex("SubSectionSize", SubSectionSize);
985
986 // Get the contents of the subsection.
987 if (SubSectionSize > Data.size())
988 return reportError(errorCodeToError(object_error::parse_failed),
989 Obj->getFileName());
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 reportError(errorCodeToError(object_error::parse_failed),
999 Obj->getFileName());
1000 Data = SectionContents.drop_front(NextOffset);
1001
1002 // Optionally print the subsection bytes in case our parsing gets confused
1003 // later.
1004 if (opts::CodeViewSubsectionBytes)
1005 printBinaryBlockWithRelocs("SubSectionContents", Section, SectionContents,
1006 Contents);
1007
1008 switch (DebugSubsectionKind(SubType)) {
1009 case DebugSubsectionKind::Symbols:
1010 printCodeViewSymbolsSubsection(Contents, Section, SectionContents);
1011 break;
1012
1013 case DebugSubsectionKind::InlineeLines:
1014 printCodeViewInlineeLines(Contents);
1015 break;
1016
1017 case DebugSubsectionKind::FileChecksums:
1018 printCodeViewFileChecksums(Contents);
1019 break;
1020
1021 case DebugSubsectionKind::Lines: {
1022 // Holds a PC to file:line table. Some data to parse this subsection is
1023 // stored in the other subsections, so just check sanity and store the
1024 // pointers for deferred processing.
1025
1026 if (SubSectionSize < 12) {
1027 // There should be at least three words to store two function
1028 // relocations and size of the code.
1029 reportError(errorCodeToError(object_error::parse_failed),
1030 Obj->getFileName());
1031 return;
1032 }
1033
1034 StringRef LinkageName;
1035 if (std::error_code EC = resolveSymbolName(Obj->getCOFFSection(Section),
1036 SectionOffset, LinkageName))
1037 reportError(errorCodeToError(EC), Obj->getFileName());
1038
1039 W.printString("LinkageName", LinkageName);
1040 if (FunctionLineTables.count(LinkageName) != 0) {
1041 // Saw debug info for this function already?
1042 reportError(errorCodeToError(object_error::parse_failed),
1043 Obj->getFileName());
1044 return;
1045 }
1046
1047 FunctionLineTables[LinkageName] = Contents;
1048 FunctionNames.push_back(LinkageName);
1049 break;
1050 }
1051 case DebugSubsectionKind::FrameData: {
1052 // First four bytes is a relocation against the function.
1053 BinaryStreamReader SR(Contents, llvm::support::little);
1054
1055 DebugFrameDataSubsectionRef FrameData;
1056 if (Error E = FrameData.initialize(SR))
1057 reportError(std::move(E), Obj->getFileName());
1058
1059 StringRef LinkageName;
1060 if (std::error_code EC =
1061 resolveSymbolName(Obj->getCOFFSection(Section), SectionContents,
1062 FrameData.getRelocPtr(), LinkageName))
1063 reportError(errorCodeToError(EC), Obj->getFileName());
1064 W.printString("LinkageName", LinkageName);
1065
1066 // To find the active frame description, search this array for the
1067 // smallest PC range that includes the current PC.
1068 for (const auto &FD : FrameData) {
1069 StringRef FrameFunc = unwrapOrError(
1070 Obj->getFileName(), CVStringTable.getString(FD.FrameFunc));
1071
1072 DictScope S(W, "FrameData");
1073 W.printHex("RvaStart", FD.RvaStart);
1074 W.printHex("CodeSize", FD.CodeSize);
1075 W.printHex("LocalSize", FD.LocalSize);
1076 W.printHex("ParamsSize", FD.ParamsSize);
1077 W.printHex("MaxStackSize", FD.MaxStackSize);
1078 W.printHex("PrologSize", FD.PrologSize);
1079 W.printHex("SavedRegsSize", FD.SavedRegsSize);
1080 W.printFlags("Flags", FD.Flags, makeArrayRef(FrameDataFlags));
1081
1082 // The FrameFunc string is a small RPN program. It can be broken up into
1083 // statements that end in the '=' operator, which assigns the value on
1084 // the top of the stack to the previously pushed variable. Variables can
1085 // be temporary values ($T0) or physical registers ($esp). Print each
1086 // assignment on its own line to make these programs easier to read.
1087 {
1088 ListScope FFS(W, "FrameFunc");
1089 while (!FrameFunc.empty()) {
1090 size_t EqOrEnd = FrameFunc.find('=');
1091 if (EqOrEnd == StringRef::npos)
1092 EqOrEnd = FrameFunc.size();
1093 else
1094 ++EqOrEnd;
1095 StringRef Stmt = FrameFunc.substr(0, EqOrEnd);
1096 W.printString(Stmt);
1097 FrameFunc = FrameFunc.drop_front(EqOrEnd).trim();
1098 }
1099 }
1100 }
1101 break;
1102 }
1103
1104 // Do nothing for unrecognized subsections.
1105 default:
1106 break;
1107 }
1108 W.flush();
1109 }
1110
1111 // Dump the line tables now that we've read all the subsections and know all
1112 // the required information.
1113 for (unsigned I = 0, E = FunctionNames.size(); I != E; ++I) {
1114 StringRef Name = FunctionNames[I];
1115 ListScope S(W, "FunctionLineTable");
1116 W.printString("LinkageName", Name);
1117
1118 BinaryStreamReader Reader(FunctionLineTables[Name], support::little);
1119
1120 DebugLinesSubsectionRef LineInfo;
1121 if (Error E = LineInfo.initialize(Reader))
1122 reportError(std::move(E), Obj->getFileName());
1123
1124 W.printHex("Flags", LineInfo.header()->Flags);
1125 W.printHex("CodeSize", LineInfo.header()->CodeSize);
1126 for (const auto &Entry : LineInfo) {
1127
1128 ListScope S(W, "FilenameSegment");
1129 printFileNameForOffset("Filename", Entry.NameIndex);
1130 uint32_t ColumnIndex = 0;
1131 for (const auto &Line : Entry.LineNumbers) {
1132 if (Line.Offset >= LineInfo.header()->CodeSize) {
1133 reportError(errorCodeToError(object_error::parse_failed),
1134 Obj->getFileName());
1135 return;
1136 }
1137
1138 std::string PC = formatv("+{0:X}", uint32_t(Line.Offset));
1139 ListScope PCScope(W, PC);
1140 codeview::LineInfo LI(Line.Flags);
1141
1142 if (LI.isAlwaysStepInto())
1143 W.printString("StepInto", StringRef("Always"));
1144 else if (LI.isNeverStepInto())
1145 W.printString("StepInto", StringRef("Never"));
1146 else
1147 W.printNumber("LineNumberStart", LI.getStartLine());
1148 W.printNumber("LineNumberEndDelta", LI.getLineDelta());
1149 W.printBoolean("IsStatement", LI.isStatement());
1150 if (LineInfo.hasColumnInfo()) {
1151 W.printNumber("ColStart", Entry.Columns[ColumnIndex].StartColumn);
1152 W.printNumber("ColEnd", Entry.Columns[ColumnIndex].EndColumn);
1153 ++ColumnIndex;
1154 }
1155 }
1156 }
1157 }
1158 }
1159
1160 void COFFDumper::printCodeViewSymbolsSubsection(StringRef Subsection,
1161 const SectionRef &Section,
1162 StringRef SectionContents) {
1163 ArrayRef<uint8_t> BinaryData(Subsection.bytes_begin(),
1164 Subsection.bytes_end());
1165 auto CODD = std::make_unique<COFFObjectDumpDelegate>(*this, Section, Obj,
1166 SectionContents);
1167 CVSymbolDumper CVSD(W, Types, CodeViewContainer::ObjectFile, std::move(CODD),
1168 CompilationCPUType, opts::CodeViewSubsectionBytes);
1169 CVSymbolArray Symbols;
1170 BinaryStreamReader Reader(BinaryData, llvm::support::little);
1171 if (Error E = Reader.readArray(Symbols, Reader.getLength())) {
1172 W.flush();
1173 reportError(std::move(E), Obj->getFileName());
1174 }
1175
1176 if (Error E = CVSD.dump(Symbols)) {
1177 W.flush();
1178 reportError(std::move(E), Obj->getFileName());
1179 }
1180 CompilationCPUType = CVSD.getCompilationCPUType();
1181 W.flush();
1182 }
1183
1184 void COFFDumper::printCodeViewFileChecksums(StringRef Subsection) {
1185 BinaryStreamRef Stream(Subsection, llvm::support::little);
1186 DebugChecksumsSubsectionRef Checksums;
1187 if (Error E = Checksums.initialize(Stream))
1188 reportError(std::move(E), Obj->getFileName());
1189
1190 for (auto &FC : Checksums) {
1191 DictScope S(W, "FileChecksum");
1192
1193 StringRef Filename = unwrapOrError(
1194 Obj->getFileName(), CVStringTable.getString(FC.FileNameOffset));
1195 W.printHex("Filename", Filename, FC.FileNameOffset);
1196 W.printHex("ChecksumSize", FC.Checksum.size());
1197 W.printEnum("ChecksumKind", uint8_t(FC.Kind),
1198 makeArrayRef(FileChecksumKindNames));
1199
1200 W.printBinary("ChecksumBytes", FC.Checksum);
1201 }
1202 }
1203
1204 void COFFDumper::printCodeViewInlineeLines(StringRef Subsection) {
1205 BinaryStreamReader SR(Subsection, llvm::support::little);
1206 DebugInlineeLinesSubsectionRef Lines;
1207 if (Error E = Lines.initialize(SR))
1208 reportError(std::move(E), Obj->getFileName());
1209
1210 for (auto &Line : Lines) {
1211 DictScope S(W, "InlineeSourceLine");
1212 printTypeIndex("Inlinee", Line.Header->Inlinee);
1213 printFileNameForOffset("FileID", Line.Header->FileID);
1214 W.printNumber("SourceLineNum", Line.Header->SourceLineNum);
1215
1216 if (Lines.hasExtraFiles()) {
1217 W.printNumber("ExtraFileCount", Line.ExtraFiles.size());
1218 ListScope ExtraFiles(W, "ExtraFiles");
1219 for (const auto &FID : Line.ExtraFiles) {
1220 printFileNameForOffset("FileID", FID);
1221 }
1222 }
1223 }
1224 }
1225
1226 StringRef COFFDumper::getFileNameForFileOffset(uint32_t FileOffset) {
1227 // The file checksum subsection should precede all references to it.
1228 if (!CVFileChecksumTable.valid() || !CVStringTable.valid())
1229 reportError(errorCodeToError(object_error::parse_failed),
1230 Obj->getFileName());
1231
1232 auto Iter = CVFileChecksumTable.getArray().at(FileOffset);
1233
1234 // Check if the file checksum table offset is valid.
1235 if (Iter == CVFileChecksumTable.end())
1236 reportError(errorCodeToError(object_error::parse_failed),
1237 Obj->getFileName());
1238
1239 return unwrapOrError(Obj->getFileName(),
1240 CVStringTable.getString(Iter->FileNameOffset));
1241 }
1242
1243 void COFFDumper::printFileNameForOffset(StringRef Label, uint32_t FileOffset) {
1244 W.printHex(Label, getFileNameForFileOffset(FileOffset), FileOffset);
1245 }
1246
1247 void COFFDumper::mergeCodeViewTypes(MergingTypeTableBuilder &CVIDs,
1248 MergingTypeTableBuilder &CVTypes,
1249 GlobalTypeTableBuilder &GlobalCVIDs,
1250 GlobalTypeTableBuilder &GlobalCVTypes,
1251 bool GHash) {
1252 for (const SectionRef &S : Obj->sections()) {
1253 StringRef SectionName = unwrapOrError(Obj->getFileName(), S.getName());
1254 if (SectionName == ".debug$T") {
1255 StringRef Data = unwrapOrError(Obj->getFileName(), S.getContents());
1256 uint32_t Magic;
1257 if (Error E = consume(Data, Magic))
1258 reportError(std::move(E), Obj->getFileName());
1259
1260 if (Magic != 4)
1261 reportError(errorCodeToError(object_error::parse_failed),
1262 Obj->getFileName());
1263
1264 CVTypeArray Types;
1265 BinaryStreamReader Reader(Data, llvm::support::little);
1266 if (auto EC = Reader.readArray(Types, Reader.getLength())) {
1267 consumeError(std::move(EC));
1268 W.flush();
1269 reportError(errorCodeToError(object_error::parse_failed),
1270 Obj->getFileName());
1271 }
1272 SmallVector<TypeIndex, 128> SourceToDest;
1273 Optional<uint32_t> PCHSignature;
1274 if (GHash) {
1275 std::vector<GloballyHashedType> Hashes =
1276 GloballyHashedType::hashTypes(Types);
1277 if (Error E =
1278 mergeTypeAndIdRecords(GlobalCVIDs, GlobalCVTypes, SourceToDest,
1279 Types, Hashes, PCHSignature))
1280 return reportError(std::move(E), Obj->getFileName());
1281 } else {
1282 if (Error E = mergeTypeAndIdRecords(CVIDs, CVTypes, SourceToDest, Types,
1283 PCHSignature))
1284 return reportError(std::move(E), Obj->getFileName());
1285 }
1286 }
1287 }
1288 }
1289
1290 void COFFDumper::printCodeViewTypeSection(StringRef SectionName,
1291 const SectionRef &Section) {
1292 ListScope D(W, "CodeViewTypes");
1293 W.printNumber("Section", SectionName, Obj->getSectionID(Section));
1294
1295 StringRef Data = unwrapOrError(Obj->getFileName(), Section.getContents());
1296 if (opts::CodeViewSubsectionBytes)
1297 W.printBinaryBlock("Data", Data);
1298
1299 uint32_t Magic;
1300 if (Error E = consume(Data, Magic))
1301 reportError(std::move(E), Obj->getFileName());
1302
1303 W.printHex("Magic", Magic);
1304 if (Magic != COFF::DEBUG_SECTION_MAGIC)
1305 reportError(errorCodeToError(object_error::parse_failed),
1306 Obj->getFileName());
1307
1308 Types.reset(Data, 100);
1309
1310 TypeDumpVisitor TDV(Types, &W, opts::CodeViewSubsectionBytes);
1311 if (Error E = codeview::visitTypeStream(Types, TDV))
1312 reportError(std::move(E), Obj->getFileName());
1313
1314 W.flush();
1315 }
1316
1317 void COFFDumper::printSectionHeaders() {
1318 ListScope SectionsD(W, "Sections");
1319 int SectionNumber = 0;
1320 for (const SectionRef &Sec : Obj->sections()) {
1321 ++SectionNumber;
1322 const coff_section *Section = Obj->getCOFFSection(Sec);
1323
1324 StringRef Name = unwrapOrError(Obj->getFileName(), Sec.getName());
1325
1326 DictScope D(W, "Section");
1327 W.printNumber("Number", SectionNumber);
1328 W.printBinary("Name", Name, Section->Name);
1329 W.printHex ("VirtualSize", Section->VirtualSize);
1330 W.printHex ("VirtualAddress", Section->VirtualAddress);
1331 W.printNumber("RawDataSize", Section->SizeOfRawData);
1332 W.printHex ("PointerToRawData", Section->PointerToRawData);
1333 W.printHex ("PointerToRelocations", Section->PointerToRelocations);
1334 W.printHex ("PointerToLineNumbers", Section->PointerToLinenumbers);
1335 W.printNumber("RelocationCount", Section->NumberOfRelocations);
1336 W.printNumber("LineNumberCount", Section->NumberOfLinenumbers);
1337 W.printFlags ("Characteristics", Section->Characteristics,
1338 makeArrayRef(ImageSectionCharacteristics),
1339 COFF::SectionCharacteristics(0x00F00000));
1340
1341 if (opts::SectionRelocations) {
1342 ListScope D(W, "Relocations");
1343 for (const RelocationRef &Reloc : Sec.relocations())
1344 printRelocation(Sec, Reloc);
1345 }
1346
1347 if (opts::SectionSymbols) {
1348 ListScope D(W, "Symbols");
1349 for (const SymbolRef &Symbol : Obj->symbols()) {
1350 if (!Sec.containsSymbol(Symbol))
1351 continue;
1352
1353 printSymbol(Symbol);
1354 }
1355 }
1356
1357 if (opts::SectionData &&
1358 !(Section->Characteristics & COFF::IMAGE_SCN_CNT_UNINITIALIZED_DATA)) {
1359 StringRef Data = unwrapOrError(Obj->getFileName(), Sec.getContents());
1360 W.printBinaryBlock("SectionData", Data);
1361 }
1362 }
1363 }
1364
1365 void COFFDumper::printRelocations() {
1366 ListScope D(W, "Relocations");
1367
1368 int SectionNumber = 0;
1369 for (const SectionRef &Section : Obj->sections()) {
1370 ++SectionNumber;
1371 StringRef Name = unwrapOrError(Obj->getFileName(), Section.getName());
1372
1373 bool PrintedGroup = false;
1374 for (const RelocationRef &Reloc : Section.relocations()) {
1375 if (!PrintedGroup) {
1376 W.startLine() << "Section (" << SectionNumber << ") " << Name << " {\n";
1377 W.indent();
1378 PrintedGroup = true;
1379 }
1380
1381 printRelocation(Section, Reloc);
1382 }
1383
1384 if (PrintedGroup) {
1385 W.unindent();
1386 W.startLine() << "}\n";
1387 }
1388 }
1389 }
1390
1391 void COFFDumper::printRelocation(const SectionRef &Section,
1392 const RelocationRef &Reloc, uint64_t Bias) {
1393 uint64_t Offset = Reloc.getOffset() - Bias;
1394 uint64_t RelocType = Reloc.getType();
1395 SmallString<32> RelocName;
1396 StringRef SymbolName;
1397 Reloc.getTypeName(RelocName);
1398 symbol_iterator Symbol = Reloc.getSymbol();
1399 int64_t SymbolIndex = -1;
1400 if (Symbol != Obj->symbol_end()) {
1401 Expected<StringRef> SymbolNameOrErr = Symbol->getName();
1402 if (!SymbolNameOrErr)
1403 reportError(SymbolNameOrErr.takeError(), Obj->getFileName());
1404
1405 SymbolName = *SymbolNameOrErr;
1406 SymbolIndex = Obj->getSymbolIndex(Obj->getCOFFSymbol(*Symbol));
1407 }
1408
1409 if (opts::ExpandRelocs) {
1410 DictScope Group(W, "Relocation");
1411 W.printHex("Offset", Offset);
1412 W.printNumber("Type", RelocName, RelocType);
1413 W.printString("Symbol", SymbolName.empty() ? "-" : SymbolName);
1414 W.printNumber("SymbolIndex", SymbolIndex);
1415 } else {
1416 raw_ostream& OS = W.startLine();
1417 OS << W.hex(Offset)
1418 << " " << RelocName
1419 << " " << (SymbolName.empty() ? "-" : SymbolName)
1420 << " (" << SymbolIndex << ")"
1421 << "\n";
1422 }
1423 }
1424
1425 void COFFDumper::printSymbols() {
1426 ListScope Group(W, "Symbols");
1427
1428 for (const SymbolRef &Symbol : Obj->symbols())
1429 printSymbol(Symbol);
1430 }
1431
1432 void COFFDumper::printDynamicSymbols() { ListScope Group(W, "DynamicSymbols"); }
1433
1434 static Expected<StringRef>
1435 getSectionName(const llvm::object::COFFObjectFile *Obj, int32_t SectionNumber,
1436 const coff_section *Section) {
1437 if (Section)
1438 return Obj->getSectionName(Section);
1439 if (SectionNumber == llvm::COFF::IMAGE_SYM_DEBUG)
1440 return StringRef("IMAGE_SYM_DEBUG");
1441 if (SectionNumber == llvm::COFF::IMAGE_SYM_ABSOLUTE)
1442 return StringRef("IMAGE_SYM_ABSOLUTE");
1443 if (SectionNumber == llvm::COFF::IMAGE_SYM_UNDEFINED)
1444 return StringRef("IMAGE_SYM_UNDEFINED");
1445 return StringRef("");
1446 }
1447
1448 void COFFDumper::printSymbol(const SymbolRef &Sym) {
1449 DictScope D(W, "Symbol");
1450
1451 COFFSymbolRef Symbol = Obj->getCOFFSymbol(Sym);
1452 const coff_section *Section;
1453 if (std::error_code EC = Obj->getSection(Symbol.getSectionNumber(), Section)) {
1454 W.startLine() << "Invalid section number: " << EC.message() << "\n";
1455 W.flush();
1456 return;
1457 }
1458
1459 StringRef SymbolName;
1460 if (Obj->getSymbolName(Symbol, SymbolName))
1461 SymbolName = "";
1462
1463 StringRef SectionName;
1464 if (Expected<StringRef> NameOrErr =
1465 getSectionName(Obj, Symbol.getSectionNumber(), Section))
1466 SectionName = *NameOrErr;
1467
1468 W.printString("Name", SymbolName);
1469 W.printNumber("Value", Symbol.getValue());
1470 W.printNumber("Section", SectionName, Symbol.getSectionNumber());
1471 W.printEnum ("BaseType", Symbol.getBaseType(), makeArrayRef(ImageSymType));
1472 W.printEnum ("ComplexType", Symbol.getComplexType(),
1473 makeArrayRef(ImageSymDType));
1474 W.printEnum ("StorageClass", Symbol.getStorageClass(),
1475 makeArrayRef(ImageSymClass));
1476 W.printNumber("AuxSymbolCount", Symbol.getNumberOfAuxSymbols());
1477
1478 for (uint8_t I = 0; I < Symbol.getNumberOfAuxSymbols(); ++I) {
1479 if (Symbol.isFunctionDefinition()) {
1480 const coff_aux_function_definition *Aux;
1481 if (std::error_code EC = getSymbolAuxData(Obj, Symbol, I, Aux))
1482 reportError(errorCodeToError(EC), Obj->getFileName());
1483
1484 DictScope AS(W, "AuxFunctionDef");
1485 W.printNumber("TagIndex", Aux->TagIndex);
1486 W.printNumber("TotalSize", Aux->TotalSize);
1487 W.printHex("PointerToLineNumber", Aux->PointerToLinenumber);
1488 W.printHex("PointerToNextFunction", Aux->PointerToNextFunction);
1489
1490 } else if (Symbol.isAnyUndefined()) {
1491 const coff_aux_weak_external *Aux;
1492 if (std::error_code EC = getSymbolAuxData(Obj, Symbol, I, Aux))
1493 reportError(errorCodeToError(EC), Obj->getFileName());
1494
1495 Expected<COFFSymbolRef> Linked = Obj->getSymbol(Aux->TagIndex);
1496 if (!Linked)
1497 reportError(Linked.takeError(), Obj->getFileName());
1498
1499 StringRef LinkedName;
1500 if (std::error_code EC = Obj->getSymbolName(*Linked, LinkedName))
1501 reportError(errorCodeToError(EC), Obj->getFileName());
1502
1503 DictScope AS(W, "AuxWeakExternal");
1504 W.printNumber("Linked", LinkedName, Aux->TagIndex);
1505 W.printEnum ("Search", Aux->Characteristics,
1506 makeArrayRef(WeakExternalCharacteristics));
1507
1508 } else if (Symbol.isFileRecord()) {
1509 const char *FileName;
1510 if (std::error_code EC = getSymbolAuxData(Obj, Symbol, I, FileName))
1511 reportError(errorCodeToError(EC), Obj->getFileName());
1512 DictScope AS(W, "AuxFileRecord");
1513
1514 StringRef Name(FileName, Symbol.getNumberOfAuxSymbols() *
1515 Obj->getSymbolTableEntrySize());
1516 W.printString("FileName", Name.rtrim(StringRef("\0", 1)));
1517 break;
1518 } else if (Symbol.isSectionDefinition()) {
1519 const coff_aux_section_definition *Aux;
1520 if (std::error_code EC = getSymbolAuxData(Obj, Symbol, I, Aux))
1521 reportError(errorCodeToError(EC), Obj->getFileName());
1522
1523 int32_t AuxNumber = Aux->getNumber(Symbol.isBigObj());
1524
1525 DictScope AS(W, "AuxSectionDef");
1526 W.printNumber("Length", Aux->Length);
1527 W.printNumber("RelocationCount", Aux->NumberOfRelocations);
1528 W.printNumber("LineNumberCount", Aux->NumberOfLinenumbers);
1529 W.printHex("Checksum", Aux->CheckSum);
1530 W.printNumber("Number", AuxNumber);
1531 W.printEnum("Selection", Aux->Selection, makeArrayRef(ImageCOMDATSelect));
1532
1533 if (Section && Section->Characteristics & COFF::IMAGE_SCN_LNK_COMDAT
1534 && Aux->Selection == COFF::IMAGE_COMDAT_SELECT_ASSOCIATIVE) {
1535 const coff_section *Assoc;
1536 StringRef AssocName = "";
1537 if (std::error_code EC = Obj->getSection(AuxNumber, Assoc))
1538 reportError(errorCodeToError(EC), Obj->getFileName());
1539 Expected<StringRef> Res = getSectionName(Obj, AuxNumber, Assoc);
1540 if (!Res)
1541 reportError(Res.takeError(), Obj->getFileName());
1542 AssocName = *Res;
1543
1544 W.printNumber("AssocSection", AssocName, AuxNumber);
1545 }
1546 } else if (Symbol.isCLRToken()) {
1547 const coff_aux_clr_token *Aux;
1548 if (std::error_code EC = getSymbolAuxData(Obj, Symbol, I, Aux))
1549 reportError(errorCodeToError(EC), Obj->getFileName());
1550
1551 Expected<COFFSymbolRef> ReferredSym =
1552 Obj->getSymbol(Aux->SymbolTableIndex);
1553 if (!ReferredSym)
1554 reportError(ReferredSym.takeError(), Obj->getFileName());
1555
1556 StringRef ReferredName;
1557 if (std::error_code EC = Obj->getSymbolName(*ReferredSym, ReferredName))
1558 reportError(errorCodeToError(EC), Obj->getFileName());
1559
1560 DictScope AS(W, "AuxCLRToken");
1561 W.printNumber("AuxType", Aux->AuxType);
1562 W.printNumber("Reserved", Aux->Reserved);
1563 W.printNumber("SymbolTableIndex", ReferredName, Aux->SymbolTableIndex);
1564
1565 } else {
1566 W.startLine() << "<unhandled auxiliary record>\n";
1567 }
1568 }
1569 }
1570
1571 void COFFDumper::printUnwindInfo() {
1572 ListScope D(W, "UnwindInformation");
1573 switch (Obj->getMachine()) {
1574 case COFF::IMAGE_FILE_MACHINE_AMD64: {
1575 Win64EH::Dumper Dumper(W);
1576 Win64EH::Dumper::SymbolResolver
1577 Resolver = [](const object::coff_section *Section, uint64_t Offset,
1578 SymbolRef &Symbol, void *user_data) -> std::error_code {
1579 COFFDumper *Dumper = reinterpret_cast<COFFDumper *>(user_data);
1580 return Dumper->resolveSymbol(Section, Offset, Symbol);
1581 };
1582 Win64EH::Dumper::Context Ctx(*Obj, Resolver, this);
1583 Dumper.printData(Ctx);
1584 break;
1585 }
1586 case COFF::IMAGE_FILE_MACHINE_ARM64:
1587 case COFF::IMAGE_FILE_MACHINE_ARMNT: {
1588 ARM::WinEH::Decoder Decoder(W, Obj->getMachine() ==
1589 COFF::IMAGE_FILE_MACHINE_ARM64);
1590 // TODO Propagate the error.
1591 consumeError(Decoder.dumpProcedureData(*Obj));
1592 break;
1593 }
1594 default:
1595 W.printEnum("unsupported Image Machine", Obj->getMachine(),
1596 makeArrayRef(ImageFileMachineType));
1597 break;
1598 }
1599 }
1600
1601 void COFFDumper::printNeededLibraries() {
1602 ListScope D(W, "NeededLibraries");
1603
1604 using LibsTy = std::vector<StringRef>;
1605 LibsTy Libs;
1606
1607 for (const ImportDirectoryEntryRef &DirRef : Obj->import_directories()) {
1608 StringRef Name;
1609 if (!DirRef.getName(Name))
1610 Libs.push_back(Name);
1611 }
1612
1613 llvm::stable_sort(Libs);
1614
1615 for (const auto &L : Libs) {
1616 W.startLine() << L << "\n";
1617 }
1618 }
1619
1620 void COFFDumper::printImportedSymbols(
1621 iterator_range<imported_symbol_iterator> Range) {
1622 for (const ImportedSymbolRef &I : Range) {
1623 StringRef Sym;
1624 if (std::error_code EC = I.getSymbolName(Sym))
1625 reportError(errorCodeToError(EC), Obj->getFileName());
1626 uint16_t Ordinal;
1627 if (std::error_code EC = I.getOrdinal(Ordinal))
1628 reportError(errorCodeToError(EC), Obj->getFileName());
1629 W.printNumber("Symbol", Sym, Ordinal);
1630 }
1631 }
1632
1633 void COFFDumper::printDelayImportedSymbols(
1634 const DelayImportDirectoryEntryRef &I,
1635 iterator_range<imported_symbol_iterator> Range) {
1636 int Index = 0;
1637 for (const ImportedSymbolRef &S : Range) {
1638 DictScope Import(W, "Import");
1639 StringRef Sym;
1640 if (std::error_code EC = S.getSymbolName(Sym))
1641 reportError(errorCodeToError(EC), Obj->getFileName());
1642
1643 uint16_t Ordinal;
1644 if (std::error_code EC = S.getOrdinal(Ordinal))
1645 reportError(errorCodeToError(EC), Obj->getFileName());
1646 W.printNumber("Symbol", Sym, Ordinal);
1647
1648 uint64_t Addr;
1649 if (std::error_code EC = I.getImportAddress(Index++, Addr))
1650 reportError(errorCodeToError(EC), Obj->getFileName());
1651 W.printHex("Address", Addr);
1652 }
1653 }
1654
1655 void COFFDumper::printCOFFImports() {
1656 // Regular imports
1657 for (const ImportDirectoryEntryRef &I : Obj->import_directories()) {
1658 DictScope Import(W, "Import");
1659 StringRef Name;
1660 if (std::error_code EC = I.getName(Name))
1661 reportError(errorCodeToError(EC), Obj->getFileName());
1662 W.printString("Name", Name);
1663 uint32_t ILTAddr;
1664 if (std::error_code EC = I.getImportLookupTableRVA(ILTAddr))
1665 reportError(errorCodeToError(EC), Obj->getFileName());
1666 W.printHex("ImportLookupTableRVA", ILTAddr);
1667 uint32_t IATAddr;
1668 if (std::error_code EC = I.getImportAddressTableRVA(IATAddr))
1669 reportError(errorCodeToError(EC), Obj->getFileName());
1670 W.printHex("ImportAddressTableRVA", IATAddr);
1671 // The import lookup table can be missing with certain older linkers, so
1672 // fall back to the import address table in that case.
1673 if (ILTAddr)
1674 printImportedSymbols(I.lookup_table_symbols());
1675 else
1676 printImportedSymbols(I.imported_symbols());
1677 }
1678
1679 // Delay imports
1680 for (const DelayImportDirectoryEntryRef &I : Obj->delay_import_directories()) {
1681 DictScope Import(W, "DelayImport");
1682 StringRef Name;
1683 if (std::error_code EC = I.getName(Name))
1684 reportError(errorCodeToError(EC), Obj->getFileName());
1685 W.printString("Name", Name);
1686 const delay_import_directory_table_entry *Table;
1687 if (std::error_code EC = I.getDelayImportTable(Table))
1688 reportError(errorCodeToError(EC), Obj->getFileName());
1689 W.printHex("Attributes", Table->Attributes);
1690 W.printHex("ModuleHandle", Table->ModuleHandle);
1691 W.printHex("ImportAddressTable", Table->DelayImportAddressTable);
1692 W.printHex("ImportNameTable", Table->DelayImportNameTable);
1693 W.printHex("BoundDelayImportTable", Table->BoundDelayImportTable);
1694 W.printHex("UnloadDelayImportTable", Table->UnloadDelayImportTable);
1695 printDelayImportedSymbols(I, I.imported_symbols());
1696 }
1697 }
1698
1699 void COFFDumper::printCOFFExports() {
1700 for (const ExportDirectoryEntryRef &E : Obj->export_directories()) {
1701 DictScope Export(W, "Export");
1702
1703 StringRef Name;
1704 uint32_t Ordinal, RVA;
1705
1706 if (std::error_code EC = E.getSymbolName(Name))
1707 reportError(errorCodeToError(EC), Obj->getFileName());
1708 if (std::error_code EC = E.getOrdinal(Ordinal))
1709 reportError(errorCodeToError(EC), Obj->getFileName());
1710 if (std::error_code EC = E.getExportRVA(RVA))
1711 reportError(errorCodeToError(EC), Obj->getFileName());
1712
1713 W.printNumber("Ordinal", Ordinal);
1714 W.printString("Name", Name);
1715 W.printHex("RVA", RVA);
1716 }
1717 }
1718
1719 void COFFDumper::printCOFFDirectives() {
1720 for (const SectionRef &Section : Obj->sections()) {
1721 StringRef Name = unwrapOrError(Obj->getFileName(), Section.getName());
1722 if (Name != ".drectve")
1723 continue;
1724
1725 StringRef Contents =
1726 unwrapOrError(Obj->getFileName(), Section.getContents());
1727 W.printString("Directive(s)", Contents);
1728 }
1729 }
1730
1731 static std::string getBaseRelocTypeName(uint8_t Type) {
1732 switch (Type) {
1733 case COFF::IMAGE_REL_BASED_ABSOLUTE: return "ABSOLUTE";
1734 case COFF::IMAGE_REL_BASED_HIGH: return "HIGH";
1735 case COFF::IMAGE_REL_BASED_LOW: return "LOW";
1736 case COFF::IMAGE_REL_BASED_HIGHLOW: return "HIGHLOW";
1737 case COFF::IMAGE_REL_BASED_HIGHADJ: return "HIGHADJ";
1738 case COFF::IMAGE_REL_BASED_ARM_MOV32T: return "ARM_MOV32(T)";
1739 case COFF::IMAGE_REL_BASED_DIR64: return "DIR64";
1740 default: return "unknown (" + llvm::utostr(Type) + ")";
1741 }
1742 }
1743
1744 void COFFDumper::printCOFFBaseReloc() {
1745 ListScope D(W, "BaseReloc");
1746 for (const BaseRelocRef &I : Obj->base_relocs()) {
1747 uint8_t Type;
1748 uint32_t RVA;
1749 if (std::error_code EC = I.getRVA(RVA))
1750 reportError(errorCodeToError(EC), Obj->getFileName());
1751 if (std::error_code EC = I.getType(Type))
1752 reportError(errorCodeToError(EC), Obj->getFileName());
1753 DictScope Import(W, "Entry");
1754 W.printString("Type", getBaseRelocTypeName(Type));
1755 W.printHex("Address", RVA);
1756 }
1757 }
1758
1759 void COFFDumper::printCOFFResources() {
1760 ListScope ResourcesD(W, "Resources");
1761 for (const SectionRef &S : Obj->sections()) {
1762 StringRef Name = unwrapOrError(Obj->getFileName(), S.getName());
1763 if (!Name.startswith(".rsrc"))
1764 continue;
1765
1766 StringRef Ref = unwrapOrError(Obj->getFileName(), S.getContents());
1767
1768 if ((Name == ".rsrc") || (Name == ".rsrc$01")) {
1769 ResourceSectionRef RSF;
1770 Error E = RSF.load(Obj, S);
1771 if (E)
1772 reportError(std::move(E), Obj->getFileName());
1773 auto &BaseTable = unwrapOrError(Obj->getFileName(), RSF.getBaseTable());
1774 W.printNumber("Total Number of Resources",
1775 countTotalTableEntries(RSF, BaseTable, "Type"));
1776 W.printHex("Base Table Address",
1777 Obj->getCOFFSection(S)->PointerToRawData);
1778 W.startLine() << "\n";
1779 printResourceDirectoryTable(RSF, BaseTable, "Type");
1780 }
1781 if (opts::SectionData)
1782 W.printBinaryBlock(Name.str() + " Data", Ref);
1783 }
1784 }
1785
1786 uint32_t
1787 COFFDumper::countTotalTableEntries(ResourceSectionRef RSF,
1788 const coff_resource_dir_table &Table,
1789 StringRef Level) {
1790 uint32_t TotalEntries = 0;
1791 for (int i = 0; i < Table.NumberOfNameEntries + Table.NumberOfIDEntries;
1792 i++) {
1793 auto Entry = unwrapOrError(Obj->getFileName(), RSF.getTableEntry(Table, i));
1794 if (Entry.Offset.isSubDir()) {
1795 StringRef NextLevel;
1796 if (Level == "Name")
1797 NextLevel = "Language";
1798 else
1799 NextLevel = "Name";
1800 auto &NextTable =
1801 unwrapOrError(Obj->getFileName(), RSF.getEntrySubDir(Entry));
1802 TotalEntries += countTotalTableEntries(RSF, NextTable, NextLevel);
1803 } else {
1804 TotalEntries += 1;
1805 }
1806 }
1807 return TotalEntries;
1808 }
1809
1810 void COFFDumper::printResourceDirectoryTable(
1811 ResourceSectionRef RSF, const coff_resource_dir_table &Table,
1812 StringRef Level) {
1813
1814 W.printNumber("Number of String Entries", Table.NumberOfNameEntries);
1815 W.printNumber("Number of ID Entries", Table.NumberOfIDEntries);
1816
1817 // Iterate through level in resource directory tree.
1818 for (int i = 0; i < Table.NumberOfNameEntries + Table.NumberOfIDEntries;
1819 i++) {
1820 auto Entry = unwrapOrError(Obj->getFileName(), RSF.getTableEntry(Table, i));
1821 StringRef Name;
1822 SmallString<20> IDStr;
1823 raw_svector_ostream OS(IDStr);
1824 if (i < Table.NumberOfNameEntries) {
1825 ArrayRef<UTF16> RawEntryNameString =
1826 unwrapOrError(Obj->getFileName(), RSF.getEntryNameString(Entry));
1827 std::vector<UTF16> EndianCorrectedNameString;
1828 if (llvm::sys::IsBigEndianHost) {
1829 EndianCorrectedNameString.resize(RawEntryNameString.size() + 1);
1830 std::copy(RawEntryNameString.begin(), RawEntryNameString.end(),
1831 EndianCorrectedNameString.begin() + 1);
1832 EndianCorrectedNameString[0] = UNI_UTF16_BYTE_ORDER_MARK_SWAPPED;
1833 RawEntryNameString = makeArrayRef(EndianCorrectedNameString);
1834 }
1835 std::string EntryNameString;
1836 if (!llvm::convertUTF16ToUTF8String(RawEntryNameString, EntryNameString))
1837 reportError(errorCodeToError(object_error::parse_failed),
1838 Obj->getFileName());
1839 OS << ": ";
1840 OS << EntryNameString;
1841 } else {
1842 if (Level == "Type") {
1843 OS << ": ";
1844 printResourceTypeName(Entry.Identifier.ID, OS);
1845 } else {
1846 OS << ": (ID " << Entry.Identifier.ID << ")";
1847 }
1848 }
1849 Name = StringRef(IDStr);
1850 ListScope ResourceType(W, Level.str() + Name.str());
1851 if (Entry.Offset.isSubDir()) {
1852 W.printHex("Table Offset", Entry.Offset.value());
1853 StringRef NextLevel;
1854 if (Level == "Name")
1855 NextLevel = "Language";
1856 else
1857 NextLevel = "Name";
1858 auto &NextTable =
1859 unwrapOrError(Obj->getFileName(), RSF.getEntrySubDir(Entry));
1860 printResourceDirectoryTable(RSF, NextTable, NextLevel);
1861 } else {
1862 W.printHex("Entry Offset", Entry.Offset.value());
1863 char FormattedTime[20] = {};
1864 time_t TDS = time_t(Table.TimeDateStamp);
1865 strftime(FormattedTime, 20, "%Y-%m-%d %H:%M:%S", gmtime(&TDS));
1866 W.printHex("Time/Date Stamp", FormattedTime, Table.TimeDateStamp);
1867 W.printNumber("Major Version", Table.MajorVersion);
1868 W.printNumber("Minor Version", Table.MinorVersion);
1869 W.printNumber("Characteristics", Table.Characteristics);
1870 ListScope DataScope(W, "Data");
1871 auto &DataEntry =
1872 unwrapOrError(Obj->getFileName(), RSF.getEntryData(Entry));
1873 W.printHex("DataRVA", DataEntry.DataRVA);
1874 W.printNumber("DataSize", DataEntry.DataSize);
1875 W.printNumber("Codepage", DataEntry.Codepage);
1876 W.printNumber("Reserved", DataEntry.Reserved);
1877 StringRef Contents =
1878 unwrapOrError(Obj->getFileName(), RSF.getContents(DataEntry));
1879 W.printBinaryBlock("Data", Contents);
1880 }
1881 }
1882 }
1883
1884 void COFFDumper::printStackMap() const {
1885 object::SectionRef StackMapSection;
1886 for (auto Sec : Obj->sections()) {
1887 StringRef Name;
1888 if (Expected<StringRef> NameOrErr = Sec.getName())
1889 Name = *NameOrErr;
1890 else
1891 consumeError(NameOrErr.takeError());
1892
1893 if (Name == ".llvm_stackmaps") {
1894 StackMapSection = Sec;
1895 break;
1896 }
1897 }
1898
1899 if (StackMapSection == object::SectionRef())
1900 return;
1901
1902 StringRef StackMapContents =
1903 unwrapOrError(Obj->getFileName(), StackMapSection.getContents());
1904 ArrayRef<uint8_t> StackMapContentsArray =
1905 arrayRefFromStringRef(StackMapContents);
1906
1907 if (Obj->isLittleEndian())
1908 prettyPrintStackMap(
1909 W, StackMapParser<support::little>(StackMapContentsArray));
1910 else
1911 prettyPrintStackMap(
1912 W, StackMapParser<support::big>(StackMapContentsArray));
1913 }
1914
1915 void COFFDumper::printAddrsig() {
1916 object::SectionRef AddrsigSection;
1917 for (auto Sec : Obj->sections()) {
1918 StringRef Name;
1919 if (Expected<StringRef> NameOrErr = Sec.getName())
1920 Name = *NameOrErr;
1921 else
1922 consumeError(NameOrErr.takeError());
1923
1924 if (Name == ".llvm_addrsig") {
1925 AddrsigSection = Sec;
1926 break;
1927 }
1928 }
1929
1930 if (AddrsigSection == object::SectionRef())
1931 return;
1932
1933 StringRef AddrsigContents =
1934 unwrapOrError(Obj->getFileName(), AddrsigSection.getContents());
1935 ArrayRef<uint8_t> AddrsigContentsArray(AddrsigContents.bytes_begin(),
1936 AddrsigContents.size());
1937
1938 ListScope L(W, "Addrsig");
1939 const uint8_t *Cur = AddrsigContents.bytes_begin();
1940 const uint8_t *End = AddrsigContents.bytes_end();
1941 while (Cur != End) {
1942 unsigned Size;
1943 const char *Err;
1944 uint64_t SymIndex = decodeULEB128(Cur, &Size, End, &Err);
1945 if (Err)
1946 reportError(createError(Err), Obj->getFileName());
1947
1948 Expected<COFFSymbolRef> Sym = Obj->getSymbol(SymIndex);
1949 if (!Sym)
1950 reportError(Sym.takeError(), Obj->getFileName());
1951
1952 StringRef SymName;
1953 if (std::error_code EC = Obj->getSymbolName(*Sym, SymName))
1954 reportError(errorCodeToError(EC), Obj->getFileName());
1955
1956 W.printNumber("Sym", SymName, SymIndex);
1957 Cur += Size;
1958 }
1959 }
1960
1961 void llvm::dumpCodeViewMergedTypes(ScopedPrinter &Writer,
1962 ArrayRef<ArrayRef<uint8_t>> IpiRecords,
1963 ArrayRef<ArrayRef<uint8_t>> TpiRecords) {
1964 TypeTableCollection TpiTypes(TpiRecords);
1965 {
1966 ListScope S(Writer, "MergedTypeStream");
1967 TypeDumpVisitor TDV(TpiTypes, &Writer, opts::CodeViewSubsectionBytes);
1968 if (Error Err = codeview::visitTypeStream(TpiTypes, TDV))
1969 reportError(std::move(Err), "<?>");
1970 Writer.flush();
1971 }
1972
1973 // Flatten the id stream and print it next. The ID stream refers to names from
1974 // the type stream.
1975 TypeTableCollection IpiTypes(IpiRecords);
1976 {
1977 ListScope S(Writer, "MergedIDStream");
1978 TypeDumpVisitor TDV(TpiTypes, &Writer, opts::CodeViewSubsectionBytes);
1979 TDV.setIpiTypes(IpiTypes);
1980 if (Error Err = codeview::visitTypeStream(IpiTypes, TDV))
1981 reportError(std::move(Err), "<?>");
1982 Writer.flush();
1983 }
1984 }
The low level virtual machine