forked from llvm/llvm-project
-
Notifications
You must be signed in to change notification settings - Fork 0
/
Copy pathCOFFDumper.cpp
2075 lines (1826 loc) · 81.1 KB
/
COFFDumper.cpp
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
//===-- COFFDumper.cpp - COFF-specific dumper -------------------*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
///
/// \file
/// This file implements the COFF-specific dumper for llvm-readobj.
///
//===----------------------------------------------------------------------===//
#include "ARMWinEHPrinter.h"
#include "ObjDumper.h"
#include "StackMapPrinter.h"
#include "Win64EHDumper.h"
#include "llvm-readobj.h"
#include "llvm/ADT/DenseMap.h"
#include "llvm/ADT/SmallString.h"
#include "llvm/ADT/StringExtras.h"
#include "llvm/BinaryFormat/COFF.h"
#include "llvm/DebugInfo/CodeView/CVTypeVisitor.h"
#include "llvm/DebugInfo/CodeView/CodeView.h"
#include "llvm/DebugInfo/CodeView/DebugChecksumsSubsection.h"
#include "llvm/DebugInfo/CodeView/DebugFrameDataSubsection.h"
#include "llvm/DebugInfo/CodeView/DebugInlineeLinesSubsection.h"
#include "llvm/DebugInfo/CodeView/DebugLinesSubsection.h"
#include "llvm/DebugInfo/CodeView/DebugStringTableSubsection.h"
#include "llvm/DebugInfo/CodeView/LazyRandomTypeCollection.h"
#include "llvm/DebugInfo/CodeView/Line.h"
#include "llvm/DebugInfo/CodeView/MergingTypeTableBuilder.h"
#include "llvm/DebugInfo/CodeView/RecordSerialization.h"
#include "llvm/DebugInfo/CodeView/SymbolDumpDelegate.h"
#include "llvm/DebugInfo/CodeView/SymbolDumper.h"
#include "llvm/DebugInfo/CodeView/SymbolRecord.h"
#include "llvm/DebugInfo/CodeView/TypeDumpVisitor.h"
#include "llvm/DebugInfo/CodeView/TypeHashing.h"
#include "llvm/DebugInfo/CodeView/TypeIndex.h"
#include "llvm/DebugInfo/CodeView/TypeRecord.h"
#include "llvm/DebugInfo/CodeView/TypeStreamMerger.h"
#include "llvm/DebugInfo/CodeView/TypeTableCollection.h"
#include "llvm/Object/COFF.h"
#include "llvm/Object/ObjectFile.h"
#include "llvm/Object/WindowsResource.h"
#include "llvm/Support/BinaryStreamReader.h"
#include "llvm/Support/Casting.h"
#include "llvm/Support/Compiler.h"
#include "llvm/Support/ConvertUTF.h"
#include "llvm/Support/FormatVariadic.h"
#include "llvm/Support/LEB128.h"
#include "llvm/Support/ScopedPrinter.h"
#include "llvm/Support/Win64EH.h"
#include "llvm/Support/raw_ostream.h"
using namespace llvm;
using namespace llvm::object;
using namespace llvm::codeview;
using namespace llvm::support;
using namespace llvm::Win64EH;
namespace {
struct LoadConfigTables {
uint64_t SEHTableVA = 0;
uint64_t SEHTableCount = 0;
uint32_t GuardFlags = 0;
uint64_t GuardFidTableVA = 0;
uint64_t GuardFidTableCount = 0;
uint64_t GuardIatTableVA = 0;
uint64_t GuardIatTableCount = 0;
uint64_t GuardLJmpTableVA = 0;
uint64_t GuardLJmpTableCount = 0;
uint64_t GuardEHContTableVA = 0;
uint64_t GuardEHContTableCount = 0;
};
class COFFDumper : public ObjDumper {
public:
friend class COFFObjectDumpDelegate;
COFFDumper(const llvm::object::COFFObjectFile *Obj, ScopedPrinter &Writer)
: ObjDumper(Writer, Obj->getFileName()), Obj(Obj), Writer(Writer),
Types(100) {}
void printFileHeaders() override;
void printSectionHeaders() override;
void printRelocations() override;
void printUnwindInfo() override;
void printNeededLibraries() override;
void printCOFFImports() override;
void printCOFFExports() override;
void printCOFFDirectives() override;
void printCOFFBaseReloc() override;
void printCOFFDebugDirectory() override;
void printCOFFTLSDirectory() override;
void printCOFFResources() override;
void printCOFFLoadConfig() override;
void printCodeViewDebugInfo() override;
void mergeCodeViewTypes(llvm::codeview::MergingTypeTableBuilder &CVIDs,
llvm::codeview::MergingTypeTableBuilder &CVTypes,
llvm::codeview::GlobalTypeTableBuilder &GlobalCVIDs,
llvm::codeview::GlobalTypeTableBuilder &GlobalCVTypes,
bool GHash) override;
void printStackMap() const override;
void printAddrsig() override;
void printCGProfile() override;
private:
StringRef getSymbolName(uint32_t Index);
void printSymbols() override;
void printDynamicSymbols() override;
void printSymbol(const SymbolRef &Sym);
void printRelocation(const SectionRef &Section, const RelocationRef &Reloc,
uint64_t Bias = 0);
void printDataDirectory(uint32_t Index, const std::string &FieldName);
void printDOSHeader(const dos_header *DH);
template <class PEHeader> void printPEHeader(const PEHeader *Hdr);
void printBaseOfDataField(const pe32_header *Hdr);
void printBaseOfDataField(const pe32plus_header *Hdr);
template <typename T>
void printCOFFLoadConfig(const T *Conf, LoadConfigTables &Tables);
template <typename IntTy>
void printCOFFTLSDirectory(const coff_tls_directory<IntTy> *TlsTable);
typedef void (*PrintExtraCB)(raw_ostream &, const uint8_t *);
void printRVATable(uint64_t TableVA, uint64_t Count, uint64_t EntrySize,
PrintExtraCB PrintExtra = 0);
void printCodeViewSymbolSection(StringRef SectionName, const SectionRef &Section);
void printCodeViewTypeSection(StringRef SectionName, const SectionRef &Section);
StringRef getFileNameForFileOffset(uint32_t FileOffset);
void printFileNameForOffset(StringRef Label, uint32_t FileOffset);
void printTypeIndex(StringRef FieldName, TypeIndex TI) {
// Forward to CVTypeDumper for simplicity.
codeview::printTypeIndex(Writer, FieldName, TI, Types);
}
void printCodeViewSymbolsSubsection(StringRef Subsection,
const SectionRef &Section,
StringRef SectionContents);
void printCodeViewFileChecksums(StringRef Subsection);
void printCodeViewInlineeLines(StringRef Subsection);
void printRelocatedField(StringRef Label, const coff_section *Sec,
uint32_t RelocOffset, uint32_t Offset,
StringRef *RelocSym = nullptr);
uint32_t countTotalTableEntries(ResourceSectionRef RSF,
const coff_resource_dir_table &Table,
StringRef Level);
void printResourceDirectoryTable(ResourceSectionRef RSF,
const coff_resource_dir_table &Table,
StringRef Level);
void printBinaryBlockWithRelocs(StringRef Label, const SectionRef &Sec,
StringRef SectionContents, StringRef Block);
/// Given a .debug$S section, find the string table and file checksum table.
void initializeFileAndStringTables(BinaryStreamReader &Reader);
void cacheRelocations();
std::error_code resolveSymbol(const coff_section *Section, uint64_t Offset,
SymbolRef &Sym);
std::error_code resolveSymbolName(const coff_section *Section,
uint64_t Offset, StringRef &Name);
std::error_code resolveSymbolName(const coff_section *Section,
StringRef SectionContents,
const void *RelocPtr, StringRef &Name);
void printImportedSymbols(iterator_range<imported_symbol_iterator> Range);
void printDelayImportedSymbols(
const DelayImportDirectoryEntryRef &I,
iterator_range<imported_symbol_iterator> Range);
typedef DenseMap<const coff_section*, std::vector<RelocationRef> > RelocMapTy;
const llvm::object::COFFObjectFile *Obj;
bool RelocCached = false;
RelocMapTy RelocMap;
DebugChecksumsSubsectionRef CVFileChecksumTable;
DebugStringTableSubsectionRef CVStringTable;
/// Track the compilation CPU type. S_COMPILE3 symbol records typically come
/// first, but if we don't see one, just assume an X64 CPU type. It is common.
CPUType CompilationCPUType = CPUType::X64;
ScopedPrinter &Writer;
BinaryByteStream TypeContents;
LazyRandomTypeCollection Types;
};
class COFFObjectDumpDelegate : public SymbolDumpDelegate {
public:
COFFObjectDumpDelegate(COFFDumper &CD, const SectionRef &SR,
const COFFObjectFile *Obj, StringRef SectionContents)
: CD(CD), SR(SR), SectionContents(SectionContents) {
Sec = Obj->getCOFFSection(SR);
}
uint32_t getRecordOffset(BinaryStreamReader Reader) override {
ArrayRef<uint8_t> Data;
if (auto EC = Reader.readLongestContiguousChunk(Data)) {
llvm::consumeError(std::move(EC));
return 0;
}
return Data.data() - SectionContents.bytes_begin();
}
void printRelocatedField(StringRef Label, uint32_t RelocOffset,
uint32_t Offset, StringRef *RelocSym) override {
CD.printRelocatedField(Label, Sec, RelocOffset, Offset, RelocSym);
}
void printBinaryBlockWithRelocs(StringRef Label,
ArrayRef<uint8_t> Block) override {
StringRef SBlock(reinterpret_cast<const char *>(Block.data()),
Block.size());
if (opts::CodeViewSubsectionBytes)
CD.printBinaryBlockWithRelocs(Label, SR, SectionContents, SBlock);
}
StringRef getFileNameForFileOffset(uint32_t FileOffset) override {
return CD.getFileNameForFileOffset(FileOffset);
}
DebugStringTableSubsectionRef getStringTable() override {
return CD.CVStringTable;
}
private:
COFFDumper &CD;
const SectionRef &SR;
const coff_section *Sec;
StringRef SectionContents;
};
} // end namespace
namespace llvm {
std::unique_ptr<ObjDumper> createCOFFDumper(const object::COFFObjectFile &Obj,
ScopedPrinter &Writer) {
return std::make_unique<COFFDumper>(&Obj, Writer);
}
} // namespace llvm
// Given a section and an offset into this section the function returns the
// symbol used for the relocation at the offset.
std::error_code COFFDumper::resolveSymbol(const coff_section *Section,
uint64_t Offset, SymbolRef &Sym) {
cacheRelocations();
const auto &Relocations = RelocMap[Section];
auto SymI = Obj->symbol_end();
for (const auto &Relocation : Relocations) {
uint64_t RelocationOffset = Relocation.getOffset();
if (RelocationOffset == Offset) {
SymI = Relocation.getSymbol();
break;
}
}
if (SymI == Obj->symbol_end())
return inconvertibleErrorCode();
Sym = *SymI;
return std::error_code();
}
// Given a section and an offset into this section the function returns the name
// of the symbol used for the relocation at the offset.
std::error_code COFFDumper::resolveSymbolName(const coff_section *Section,
uint64_t Offset,
StringRef &Name) {
SymbolRef Symbol;
if (std::error_code EC = resolveSymbol(Section, Offset, Symbol))
return EC;
Expected<StringRef> NameOrErr = Symbol.getName();
if (!NameOrErr)
return errorToErrorCode(NameOrErr.takeError());
Name = *NameOrErr;
return std::error_code();
}
// Helper for when you have a pointer to real data and you want to know about
// relocations against it.
std::error_code COFFDumper::resolveSymbolName(const coff_section *Section,
StringRef SectionContents,
const void *RelocPtr,
StringRef &Name) {
assert(SectionContents.data() < RelocPtr &&
RelocPtr < SectionContents.data() + SectionContents.size() &&
"pointer to relocated object is not in section");
uint64_t Offset = ptrdiff_t(reinterpret_cast<const char *>(RelocPtr) -
SectionContents.data());
return resolveSymbolName(Section, Offset, Name);
}
void COFFDumper::printRelocatedField(StringRef Label, const coff_section *Sec,
uint32_t RelocOffset, uint32_t Offset,
StringRef *RelocSym) {
StringRef SymStorage;
StringRef &Symbol = RelocSym ? *RelocSym : SymStorage;
if (!resolveSymbolName(Sec, RelocOffset, Symbol))
W.printSymbolOffset(Label, Symbol, Offset);
else
W.printHex(Label, RelocOffset);
}
void COFFDumper::printBinaryBlockWithRelocs(StringRef Label,
const SectionRef &Sec,
StringRef SectionContents,
StringRef Block) {
W.printBinaryBlock(Label, Block);
assert(SectionContents.begin() < Block.begin() &&
SectionContents.end() >= Block.end() &&
"Block is not contained in SectionContents");
uint64_t OffsetStart = Block.data() - SectionContents.data();
uint64_t OffsetEnd = OffsetStart + Block.size();
W.flush();
cacheRelocations();
ListScope D(W, "BlockRelocations");
const coff_section *Section = Obj->getCOFFSection(Sec);
const auto &Relocations = RelocMap[Section];
for (const auto &Relocation : Relocations) {
uint64_t RelocationOffset = Relocation.getOffset();
if (OffsetStart <= RelocationOffset && RelocationOffset < OffsetEnd)
printRelocation(Sec, Relocation, OffsetStart);
}
}
static const EnumEntry<COFF::MachineTypes> ImageFileMachineType[] = {
LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_UNKNOWN ),
LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_AM33 ),
LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_AMD64 ),
LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_ARM ),
LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_ARM64 ),
LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_ARMNT ),
LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_EBC ),
LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_I386 ),
LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_IA64 ),
LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_M32R ),
LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_MIPS16 ),
LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_MIPSFPU ),
LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_MIPSFPU16),
LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_POWERPC ),
LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_POWERPCFP),
LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_R4000 ),
LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_SH3 ),
LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_SH3DSP ),
LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_SH4 ),
LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_SH5 ),
LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_THUMB ),
LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_WCEMIPSV2)
};
static const EnumEntry<COFF::Characteristics> ImageFileCharacteristics[] = {
LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_RELOCS_STRIPPED ),
LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_EXECUTABLE_IMAGE ),
LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_LINE_NUMS_STRIPPED ),
LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_LOCAL_SYMS_STRIPPED ),
LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_AGGRESSIVE_WS_TRIM ),
LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_LARGE_ADDRESS_AWARE ),
LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_BYTES_REVERSED_LO ),
LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_32BIT_MACHINE ),
LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_DEBUG_STRIPPED ),
LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_REMOVABLE_RUN_FROM_SWAP),
LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_NET_RUN_FROM_SWAP ),
LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_SYSTEM ),
LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_DLL ),
LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_UP_SYSTEM_ONLY ),
LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_BYTES_REVERSED_HI )
};
static const EnumEntry<COFF::WindowsSubsystem> PEWindowsSubsystem[] = {
LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SUBSYSTEM_UNKNOWN ),
LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SUBSYSTEM_NATIVE ),
LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SUBSYSTEM_WINDOWS_GUI ),
LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SUBSYSTEM_WINDOWS_CUI ),
LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SUBSYSTEM_POSIX_CUI ),
LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SUBSYSTEM_WINDOWS_CE_GUI ),
LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SUBSYSTEM_EFI_APPLICATION ),
LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SUBSYSTEM_EFI_BOOT_SERVICE_DRIVER),
LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SUBSYSTEM_EFI_RUNTIME_DRIVER ),
LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SUBSYSTEM_EFI_ROM ),
LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SUBSYSTEM_XBOX ),
};
static const EnumEntry<COFF::DLLCharacteristics> PEDLLCharacteristics[] = {
LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_DLL_CHARACTERISTICS_HIGH_ENTROPY_VA ),
LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_DLL_CHARACTERISTICS_DYNAMIC_BASE ),
LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_DLL_CHARACTERISTICS_FORCE_INTEGRITY ),
LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_DLL_CHARACTERISTICS_NX_COMPAT ),
LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_DLL_CHARACTERISTICS_NO_ISOLATION ),
LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_DLL_CHARACTERISTICS_NO_SEH ),
LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_DLL_CHARACTERISTICS_NO_BIND ),
LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_DLL_CHARACTERISTICS_APPCONTAINER ),
LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_DLL_CHARACTERISTICS_WDM_DRIVER ),
LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_DLL_CHARACTERISTICS_GUARD_CF ),
LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_DLL_CHARACTERISTICS_TERMINAL_SERVER_AWARE),
};
static const EnumEntry<COFF::ExtendedDLLCharacteristics>
PEExtendedDLLCharacteristics[] = {
LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_DLL_CHARACTERISTICS_EX_CET_COMPAT),
};
static const EnumEntry<COFF::SectionCharacteristics>
ImageSectionCharacteristics[] = {
LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_TYPE_NOLOAD ),
LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_TYPE_NO_PAD ),
LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_CNT_CODE ),
LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_CNT_INITIALIZED_DATA ),
LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_CNT_UNINITIALIZED_DATA),
LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_LNK_OTHER ),
LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_LNK_INFO ),
LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_LNK_REMOVE ),
LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_LNK_COMDAT ),
LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_GPREL ),
LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_MEM_PURGEABLE ),
LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_MEM_16BIT ),
LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_MEM_LOCKED ),
LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_MEM_PRELOAD ),
LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_ALIGN_1BYTES ),
LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_ALIGN_2BYTES ),
LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_ALIGN_4BYTES ),
LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_ALIGN_8BYTES ),
LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_ALIGN_16BYTES ),
LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_ALIGN_32BYTES ),
LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_ALIGN_64BYTES ),
LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_ALIGN_128BYTES ),
LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_ALIGN_256BYTES ),
LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_ALIGN_512BYTES ),
LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_ALIGN_1024BYTES ),
LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_ALIGN_2048BYTES ),
LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_ALIGN_4096BYTES ),
LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_ALIGN_8192BYTES ),
LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_LNK_NRELOC_OVFL ),
LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_MEM_DISCARDABLE ),
LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_MEM_NOT_CACHED ),
LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_MEM_NOT_PAGED ),
LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_MEM_SHARED ),
LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_MEM_EXECUTE ),
LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_MEM_READ ),
LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_MEM_WRITE )
};
static const EnumEntry<COFF::SymbolBaseType> ImageSymType[] = {
{ "Null" , COFF::IMAGE_SYM_TYPE_NULL },
{ "Void" , COFF::IMAGE_SYM_TYPE_VOID },
{ "Char" , COFF::IMAGE_SYM_TYPE_CHAR },
{ "Short" , COFF::IMAGE_SYM_TYPE_SHORT },
{ "Int" , COFF::IMAGE_SYM_TYPE_INT },
{ "Long" , COFF::IMAGE_SYM_TYPE_LONG },
{ "Float" , COFF::IMAGE_SYM_TYPE_FLOAT },
{ "Double", COFF::IMAGE_SYM_TYPE_DOUBLE },
{ "Struct", COFF::IMAGE_SYM_TYPE_STRUCT },
{ "Union" , COFF::IMAGE_SYM_TYPE_UNION },
{ "Enum" , COFF::IMAGE_SYM_TYPE_ENUM },
{ "MOE" , COFF::IMAGE_SYM_TYPE_MOE },
{ "Byte" , COFF::IMAGE_SYM_TYPE_BYTE },
{ "Word" , COFF::IMAGE_SYM_TYPE_WORD },
{ "UInt" , COFF::IMAGE_SYM_TYPE_UINT },
{ "DWord" , COFF::IMAGE_SYM_TYPE_DWORD }
};
static const EnumEntry<COFF::SymbolComplexType> ImageSymDType[] = {
{ "Null" , COFF::IMAGE_SYM_DTYPE_NULL },
{ "Pointer" , COFF::IMAGE_SYM_DTYPE_POINTER },
{ "Function", COFF::IMAGE_SYM_DTYPE_FUNCTION },
{ "Array" , COFF::IMAGE_SYM_DTYPE_ARRAY }
};
static const EnumEntry<COFF::SymbolStorageClass> ImageSymClass[] = {
{ "EndOfFunction" , COFF::IMAGE_SYM_CLASS_END_OF_FUNCTION },
{ "Null" , COFF::IMAGE_SYM_CLASS_NULL },
{ "Automatic" , COFF::IMAGE_SYM_CLASS_AUTOMATIC },
{ "External" , COFF::IMAGE_SYM_CLASS_EXTERNAL },
{ "Static" , COFF::IMAGE_SYM_CLASS_STATIC },
{ "Register" , COFF::IMAGE_SYM_CLASS_REGISTER },
{ "ExternalDef" , COFF::IMAGE_SYM_CLASS_EXTERNAL_DEF },
{ "Label" , COFF::IMAGE_SYM_CLASS_LABEL },
{ "UndefinedLabel" , COFF::IMAGE_SYM_CLASS_UNDEFINED_LABEL },
{ "MemberOfStruct" , COFF::IMAGE_SYM_CLASS_MEMBER_OF_STRUCT },
{ "Argument" , COFF::IMAGE_SYM_CLASS_ARGUMENT },
{ "StructTag" , COFF::IMAGE_SYM_CLASS_STRUCT_TAG },
{ "MemberOfUnion" , COFF::IMAGE_SYM_CLASS_MEMBER_OF_UNION },
{ "UnionTag" , COFF::IMAGE_SYM_CLASS_UNION_TAG },
{ "TypeDefinition" , COFF::IMAGE_SYM_CLASS_TYPE_DEFINITION },
{ "UndefinedStatic", COFF::IMAGE_SYM_CLASS_UNDEFINED_STATIC },
{ "EnumTag" , COFF::IMAGE_SYM_CLASS_ENUM_TAG },
{ "MemberOfEnum" , COFF::IMAGE_SYM_CLASS_MEMBER_OF_ENUM },
{ "RegisterParam" , COFF::IMAGE_SYM_CLASS_REGISTER_PARAM },
{ "BitField" , COFF::IMAGE_SYM_CLASS_BIT_FIELD },
{ "Block" , COFF::IMAGE_SYM_CLASS_BLOCK },
{ "Function" , COFF::IMAGE_SYM_CLASS_FUNCTION },
{ "EndOfStruct" , COFF::IMAGE_SYM_CLASS_END_OF_STRUCT },
{ "File" , COFF::IMAGE_SYM_CLASS_FILE },
{ "Section" , COFF::IMAGE_SYM_CLASS_SECTION },
{ "WeakExternal" , COFF::IMAGE_SYM_CLASS_WEAK_EXTERNAL },
{ "CLRToken" , COFF::IMAGE_SYM_CLASS_CLR_TOKEN }
};
static const EnumEntry<COFF::COMDATType> ImageCOMDATSelect[] = {
{ "NoDuplicates", COFF::IMAGE_COMDAT_SELECT_NODUPLICATES },
{ "Any" , COFF::IMAGE_COMDAT_SELECT_ANY },
{ "SameSize" , COFF::IMAGE_COMDAT_SELECT_SAME_SIZE },
{ "ExactMatch" , COFF::IMAGE_COMDAT_SELECT_EXACT_MATCH },
{ "Associative" , COFF::IMAGE_COMDAT_SELECT_ASSOCIATIVE },
{ "Largest" , COFF::IMAGE_COMDAT_SELECT_LARGEST },
{ "Newest" , COFF::IMAGE_COMDAT_SELECT_NEWEST }
};
static const EnumEntry<COFF::DebugType> ImageDebugType[] = {
{"Unknown", COFF::IMAGE_DEBUG_TYPE_UNKNOWN},
{"COFF", COFF::IMAGE_DEBUG_TYPE_COFF},
{"CodeView", COFF::IMAGE_DEBUG_TYPE_CODEVIEW},
{"FPO", COFF::IMAGE_DEBUG_TYPE_FPO},
{"Misc", COFF::IMAGE_DEBUG_TYPE_MISC},
{"Exception", COFF::IMAGE_DEBUG_TYPE_EXCEPTION},
{"Fixup", COFF::IMAGE_DEBUG_TYPE_FIXUP},
{"OmapToSrc", COFF::IMAGE_DEBUG_TYPE_OMAP_TO_SRC},
{"OmapFromSrc", COFF::IMAGE_DEBUG_TYPE_OMAP_FROM_SRC},
{"Borland", COFF::IMAGE_DEBUG_TYPE_BORLAND},
{"Reserved10", COFF::IMAGE_DEBUG_TYPE_RESERVED10},
{"CLSID", COFF::IMAGE_DEBUG_TYPE_CLSID},
{"VCFeature", COFF::IMAGE_DEBUG_TYPE_VC_FEATURE},
{"POGO", COFF::IMAGE_DEBUG_TYPE_POGO},
{"ILTCG", COFF::IMAGE_DEBUG_TYPE_ILTCG},
{"MPX", COFF::IMAGE_DEBUG_TYPE_MPX},
{"Repro", COFF::IMAGE_DEBUG_TYPE_REPRO},
{"ExtendedDLLCharacteristics",
COFF::IMAGE_DEBUG_TYPE_EX_DLLCHARACTERISTICS},
};
static const EnumEntry<COFF::WeakExternalCharacteristics>
WeakExternalCharacteristics[] = {
{ "NoLibrary", COFF::IMAGE_WEAK_EXTERN_SEARCH_NOLIBRARY },
{ "Library" , COFF::IMAGE_WEAK_EXTERN_SEARCH_LIBRARY },
{ "Alias" , COFF::IMAGE_WEAK_EXTERN_SEARCH_ALIAS }
};
static const EnumEntry<uint32_t> SubSectionTypes[] = {
LLVM_READOBJ_ENUM_CLASS_ENT(DebugSubsectionKind, Symbols),
LLVM_READOBJ_ENUM_CLASS_ENT(DebugSubsectionKind, Lines),
LLVM_READOBJ_ENUM_CLASS_ENT(DebugSubsectionKind, StringTable),
LLVM_READOBJ_ENUM_CLASS_ENT(DebugSubsectionKind, FileChecksums),
LLVM_READOBJ_ENUM_CLASS_ENT(DebugSubsectionKind, FrameData),
LLVM_READOBJ_ENUM_CLASS_ENT(DebugSubsectionKind, InlineeLines),
LLVM_READOBJ_ENUM_CLASS_ENT(DebugSubsectionKind, CrossScopeImports),
LLVM_READOBJ_ENUM_CLASS_ENT(DebugSubsectionKind, CrossScopeExports),
LLVM_READOBJ_ENUM_CLASS_ENT(DebugSubsectionKind, ILLines),
LLVM_READOBJ_ENUM_CLASS_ENT(DebugSubsectionKind, FuncMDTokenMap),
LLVM_READOBJ_ENUM_CLASS_ENT(DebugSubsectionKind, TypeMDTokenMap),
LLVM_READOBJ_ENUM_CLASS_ENT(DebugSubsectionKind, MergedAssemblyInput),
LLVM_READOBJ_ENUM_CLASS_ENT(DebugSubsectionKind, CoffSymbolRVA),
};
static const EnumEntry<uint32_t> FrameDataFlags[] = {
LLVM_READOBJ_ENUM_ENT(FrameData, HasSEH),
LLVM_READOBJ_ENUM_ENT(FrameData, HasEH),
LLVM_READOBJ_ENUM_ENT(FrameData, IsFunctionStart),
};
static const EnumEntry<uint8_t> FileChecksumKindNames[] = {
LLVM_READOBJ_ENUM_CLASS_ENT(FileChecksumKind, None),
LLVM_READOBJ_ENUM_CLASS_ENT(FileChecksumKind, MD5),
LLVM_READOBJ_ENUM_CLASS_ENT(FileChecksumKind, SHA1),
LLVM_READOBJ_ENUM_CLASS_ENT(FileChecksumKind, SHA256),
};
template <typename T>
static std::error_code getSymbolAuxData(const COFFObjectFile *Obj,
COFFSymbolRef Symbol,
uint8_t AuxSymbolIdx, const T *&Aux) {
ArrayRef<uint8_t> AuxData = Obj->getSymbolAuxData(Symbol);
AuxData = AuxData.slice(AuxSymbolIdx * Obj->getSymbolTableEntrySize());
Aux = reinterpret_cast<const T*>(AuxData.data());
return std::error_code();
}
void COFFDumper::cacheRelocations() {
if (RelocCached)
return;
RelocCached = true;
for (const SectionRef &S : Obj->sections()) {
const coff_section *Section = Obj->getCOFFSection(S);
append_range(RelocMap[Section], S.relocations());
// Sort relocations by address.
llvm::sort(RelocMap[Section], [](RelocationRef L, RelocationRef R) {
return L.getOffset() < R.getOffset();
});
}
}
void COFFDumper::printDataDirectory(uint32_t Index,
const std::string &FieldName) {
const data_directory *Data = Obj->getDataDirectory(Index);
if (!Data)
return;
W.printHex(FieldName + "RVA", Data->RelativeVirtualAddress);
W.printHex(FieldName + "Size", Data->Size);
}
void COFFDumper::printFileHeaders() {
time_t TDS = Obj->getTimeDateStamp();
char FormattedTime[20] = { };
strftime(FormattedTime, 20, "%Y-%m-%d %H:%M:%S", gmtime(&TDS));
{
DictScope D(W, "ImageFileHeader");
W.printEnum ("Machine", Obj->getMachine(),
makeArrayRef(ImageFileMachineType));
W.printNumber("SectionCount", Obj->getNumberOfSections());
W.printHex ("TimeDateStamp", FormattedTime, Obj->getTimeDateStamp());
W.printHex ("PointerToSymbolTable", Obj->getPointerToSymbolTable());
W.printNumber("SymbolCount", Obj->getNumberOfSymbols());
W.printNumber("StringTableSize", Obj->getStringTableSize());
W.printNumber("OptionalHeaderSize", Obj->getSizeOfOptionalHeader());
W.printFlags ("Characteristics", Obj->getCharacteristics(),
makeArrayRef(ImageFileCharacteristics));
}
// Print PE header. This header does not exist if this is an object file and
// not an executable.
if (const pe32_header *PEHeader = Obj->getPE32Header())
printPEHeader<pe32_header>(PEHeader);
if (const pe32plus_header *PEPlusHeader = Obj->getPE32PlusHeader())
printPEHeader<pe32plus_header>(PEPlusHeader);
if (const dos_header *DH = Obj->getDOSHeader())
printDOSHeader(DH);
}
void COFFDumper::printDOSHeader(const dos_header *DH) {
DictScope D(W, "DOSHeader");
W.printString("Magic", StringRef(DH->Magic, sizeof(DH->Magic)));
W.printNumber("UsedBytesInTheLastPage", DH->UsedBytesInTheLastPage);
W.printNumber("FileSizeInPages", DH->FileSizeInPages);
W.printNumber("NumberOfRelocationItems", DH->NumberOfRelocationItems);
W.printNumber("HeaderSizeInParagraphs", DH->HeaderSizeInParagraphs);
W.printNumber("MinimumExtraParagraphs", DH->MinimumExtraParagraphs);
W.printNumber("MaximumExtraParagraphs", DH->MaximumExtraParagraphs);
W.printNumber("InitialRelativeSS", DH->InitialRelativeSS);
W.printNumber("InitialSP", DH->InitialSP);
W.printNumber("Checksum", DH->Checksum);
W.printNumber("InitialIP", DH->InitialIP);
W.printNumber("InitialRelativeCS", DH->InitialRelativeCS);
W.printNumber("AddressOfRelocationTable", DH->AddressOfRelocationTable);
W.printNumber("OverlayNumber", DH->OverlayNumber);
W.printNumber("OEMid", DH->OEMid);
W.printNumber("OEMinfo", DH->OEMinfo);
W.printNumber("AddressOfNewExeHeader", DH->AddressOfNewExeHeader);
}
template <class PEHeader>
void COFFDumper::printPEHeader(const PEHeader *Hdr) {
DictScope D(W, "ImageOptionalHeader");
W.printHex ("Magic", Hdr->Magic);
W.printNumber("MajorLinkerVersion", Hdr->MajorLinkerVersion);
W.printNumber("MinorLinkerVersion", Hdr->MinorLinkerVersion);
W.printNumber("SizeOfCode", Hdr->SizeOfCode);
W.printNumber("SizeOfInitializedData", Hdr->SizeOfInitializedData);
W.printNumber("SizeOfUninitializedData", Hdr->SizeOfUninitializedData);
W.printHex ("AddressOfEntryPoint", Hdr->AddressOfEntryPoint);
W.printHex ("BaseOfCode", Hdr->BaseOfCode);
printBaseOfDataField(Hdr);
W.printHex ("ImageBase", Hdr->ImageBase);
W.printNumber("SectionAlignment", Hdr->SectionAlignment);
W.printNumber("FileAlignment", Hdr->FileAlignment);
W.printNumber("MajorOperatingSystemVersion",
Hdr->MajorOperatingSystemVersion);
W.printNumber("MinorOperatingSystemVersion",
Hdr->MinorOperatingSystemVersion);
W.printNumber("MajorImageVersion", Hdr->MajorImageVersion);
W.printNumber("MinorImageVersion", Hdr->MinorImageVersion);
W.printNumber("MajorSubsystemVersion", Hdr->MajorSubsystemVersion);
W.printNumber("MinorSubsystemVersion", Hdr->MinorSubsystemVersion);
W.printNumber("SizeOfImage", Hdr->SizeOfImage);
W.printNumber("SizeOfHeaders", Hdr->SizeOfHeaders);
W.printEnum ("Subsystem", Hdr->Subsystem, makeArrayRef(PEWindowsSubsystem));
W.printFlags ("Characteristics", Hdr->DLLCharacteristics,
makeArrayRef(PEDLLCharacteristics));
W.printNumber("SizeOfStackReserve", Hdr->SizeOfStackReserve);
W.printNumber("SizeOfStackCommit", Hdr->SizeOfStackCommit);
W.printNumber("SizeOfHeapReserve", Hdr->SizeOfHeapReserve);
W.printNumber("SizeOfHeapCommit", Hdr->SizeOfHeapCommit);
W.printNumber("NumberOfRvaAndSize", Hdr->NumberOfRvaAndSize);
if (Hdr->NumberOfRvaAndSize > 0) {
DictScope D(W, "DataDirectory");
static const char * const directory[] = {
"ExportTable", "ImportTable", "ResourceTable", "ExceptionTable",
"CertificateTable", "BaseRelocationTable", "Debug", "Architecture",
"GlobalPtr", "TLSTable", "LoadConfigTable", "BoundImport", "IAT",
"DelayImportDescriptor", "CLRRuntimeHeader", "Reserved"
};
for (uint32_t i = 0; i < Hdr->NumberOfRvaAndSize; ++i)
printDataDirectory(i, directory[i]);
}
}
void COFFDumper::printCOFFDebugDirectory() {
ListScope LS(W, "DebugDirectory");
for (const debug_directory &D : Obj->debug_directories()) {
char FormattedTime[20] = {};
time_t TDS = D.TimeDateStamp;
strftime(FormattedTime, 20, "%Y-%m-%d %H:%M:%S", gmtime(&TDS));
DictScope S(W, "DebugEntry");
W.printHex("Characteristics", D.Characteristics);
W.printHex("TimeDateStamp", FormattedTime, D.TimeDateStamp);
W.printHex("MajorVersion", D.MajorVersion);
W.printHex("MinorVersion", D.MinorVersion);
W.printEnum("Type", D.Type, makeArrayRef(ImageDebugType));
W.printHex("SizeOfData", D.SizeOfData);
W.printHex("AddressOfRawData", D.AddressOfRawData);
W.printHex("PointerToRawData", D.PointerToRawData);
// Ideally, if D.AddressOfRawData == 0, we should try to load the payload
// using D.PointerToRawData instead.
if (D.AddressOfRawData == 0)
continue;
if (D.Type == COFF::IMAGE_DEBUG_TYPE_CODEVIEW) {
const codeview::DebugInfo *DebugInfo;
StringRef PDBFileName;
if (Error E = Obj->getDebugPDBInfo(&D, DebugInfo, PDBFileName))
reportError(std::move(E), Obj->getFileName());
DictScope PDBScope(W, "PDBInfo");
W.printHex("PDBSignature", DebugInfo->Signature.CVSignature);
if (DebugInfo->Signature.CVSignature == OMF::Signature::PDB70) {
W.printBinary("PDBGUID", makeArrayRef(DebugInfo->PDB70.Signature));
W.printNumber("PDBAge", DebugInfo->PDB70.Age);
W.printString("PDBFileName", PDBFileName);
}
} else if (D.SizeOfData != 0) {
// FIXME: Data visualization for IMAGE_DEBUG_TYPE_VC_FEATURE and
// IMAGE_DEBUG_TYPE_POGO?
ArrayRef<uint8_t> RawData;
if (Error E = Obj->getRvaAndSizeAsBytes(D.AddressOfRawData,
D.SizeOfData, RawData))
reportError(std::move(E), Obj->getFileName());
if (D.Type == COFF::IMAGE_DEBUG_TYPE_EX_DLLCHARACTERISTICS) {
// FIXME right now the only possible value would fit in 8 bits,
// but that might change in the future
uint16_t Characteristics = RawData[0];
W.printFlags("ExtendedCharacteristics", Characteristics,
makeArrayRef(PEExtendedDLLCharacteristics));
}
W.printBinaryBlock("RawData", RawData);
}
}
}
void COFFDumper::printRVATable(uint64_t TableVA, uint64_t Count,
uint64_t EntrySize, PrintExtraCB PrintExtra) {
uintptr_t TableStart, TableEnd;
if (Error E = Obj->getVaPtr(TableVA, TableStart))
reportError(std::move(E), Obj->getFileName());
if (Error E =
Obj->getVaPtr(TableVA + Count * EntrySize - 1, TableEnd))
reportError(std::move(E), Obj->getFileName());
TableEnd++;
for (uintptr_t I = TableStart; I < TableEnd; I += EntrySize) {
uint32_t RVA = *reinterpret_cast<const ulittle32_t *>(I);
raw_ostream &OS = W.startLine();
OS << W.hex(Obj->getImageBase() + RVA);
if (PrintExtra)
PrintExtra(OS, reinterpret_cast<const uint8_t *>(I));
OS << '\n';
}
}
void COFFDumper::printCOFFLoadConfig() {
LoadConfigTables Tables;
if (Obj->is64())
printCOFFLoadConfig(Obj->getLoadConfig64(), Tables);
else
printCOFFLoadConfig(Obj->getLoadConfig32(), Tables);
if (Tables.SEHTableVA) {
ListScope LS(W, "SEHTable");
printRVATable(Tables.SEHTableVA, Tables.SEHTableCount, 4);
}
auto PrintGuardFlags = [](raw_ostream &OS, const uint8_t *Entry) {
uint8_t Flags = *reinterpret_cast<const uint8_t *>(Entry + 4);
if (Flags)
OS << " flags " << utohexstr(Flags);
};
if (Tables.GuardFidTableVA) {
ListScope LS(W, "GuardFidTable");
if (Tables.GuardFlags & uint32_t(coff_guard_flags::FidTableHasFlags))
printRVATable(Tables.GuardFidTableVA, Tables.GuardFidTableCount, 5,
PrintGuardFlags);
else
printRVATable(Tables.GuardFidTableVA, Tables.GuardFidTableCount, 4);
}
if (Tables.GuardIatTableVA) {
ListScope LS(W, "GuardIatTable");
printRVATable(Tables.GuardIatTableVA, Tables.GuardIatTableCount, 4);
}
if (Tables.GuardLJmpTableVA) {
ListScope LS(W, "GuardLJmpTable");
printRVATable(Tables.GuardLJmpTableVA, Tables.GuardLJmpTableCount, 4);
}
if (Tables.GuardEHContTableVA) {
ListScope LS(W, "GuardEHContTable");
printRVATable(Tables.GuardEHContTableVA, Tables.GuardEHContTableCount, 5,
PrintGuardFlags);
}
}
template <typename T>
void COFFDumper::printCOFFLoadConfig(const T *Conf, LoadConfigTables &Tables) {
if (!Conf)
return;
ListScope LS(W, "LoadConfig");
char FormattedTime[20] = {};
time_t TDS = Conf->TimeDateStamp;
strftime(FormattedTime, 20, "%Y-%m-%d %H:%M:%S", gmtime(&TDS));
W.printHex("Size", Conf->Size);
// Print everything before SecurityCookie. The vast majority of images today
// have all these fields.
if (Conf->Size < offsetof(T, SEHandlerTable))
return;
W.printHex("TimeDateStamp", FormattedTime, TDS);
W.printHex("MajorVersion", Conf->MajorVersion);
W.printHex("MinorVersion", Conf->MinorVersion);
W.printHex("GlobalFlagsClear", Conf->GlobalFlagsClear);
W.printHex("GlobalFlagsSet", Conf->GlobalFlagsSet);
W.printHex("CriticalSectionDefaultTimeout",
Conf->CriticalSectionDefaultTimeout);
W.printHex("DeCommitFreeBlockThreshold", Conf->DeCommitFreeBlockThreshold);
W.printHex("DeCommitTotalFreeThreshold", Conf->DeCommitTotalFreeThreshold);
W.printHex("LockPrefixTable", Conf->LockPrefixTable);
W.printHex("MaximumAllocationSize", Conf->MaximumAllocationSize);
W.printHex("VirtualMemoryThreshold", Conf->VirtualMemoryThreshold);
W.printHex("ProcessHeapFlags", Conf->ProcessHeapFlags);
W.printHex("ProcessAffinityMask", Conf->ProcessAffinityMask);
W.printHex("CSDVersion", Conf->CSDVersion);
W.printHex("DependentLoadFlags", Conf->DependentLoadFlags);
W.printHex("EditList", Conf->EditList);
W.printHex("SecurityCookie", Conf->SecurityCookie);
// Print the safe SEH table if present.
if (Conf->Size < offsetof(coff_load_configuration32, GuardCFCheckFunction))
return;
W.printHex("SEHandlerTable", Conf->SEHandlerTable);
W.printNumber("SEHandlerCount", Conf->SEHandlerCount);
Tables.SEHTableVA = Conf->SEHandlerTable;
Tables.SEHTableCount = Conf->SEHandlerCount;
// Print everything before CodeIntegrity. (2015)
if (Conf->Size < offsetof(T, CodeIntegrity))
return;
W.printHex("GuardCFCheckFunction", Conf->GuardCFCheckFunction);
W.printHex("GuardCFCheckDispatch", Conf->GuardCFCheckDispatch);
W.printHex("GuardCFFunctionTable", Conf->GuardCFFunctionTable);
W.printNumber("GuardCFFunctionCount", Conf->GuardCFFunctionCount);
W.printHex("GuardFlags", Conf->GuardFlags);
Tables.GuardFidTableVA = Conf->GuardCFFunctionTable;
Tables.GuardFidTableCount = Conf->GuardCFFunctionCount;
Tables.GuardFlags = Conf->GuardFlags;
// Print everything before Reserved3. (2017)
if (Conf->Size < offsetof(T, Reserved3))
return;
W.printHex("GuardAddressTakenIatEntryTable",
Conf->GuardAddressTakenIatEntryTable);
W.printNumber("GuardAddressTakenIatEntryCount",
Conf->GuardAddressTakenIatEntryCount);
W.printHex("GuardLongJumpTargetTable", Conf->GuardLongJumpTargetTable);
W.printNumber("GuardLongJumpTargetCount", Conf->GuardLongJumpTargetCount);
W.printHex("DynamicValueRelocTable", Conf->DynamicValueRelocTable);
W.printHex("CHPEMetadataPointer", Conf->CHPEMetadataPointer);
W.printHex("GuardRFFailureRoutine", Conf->GuardRFFailureRoutine);
W.printHex("GuardRFFailureRoutineFunctionPointer",
Conf->GuardRFFailureRoutineFunctionPointer);
W.printHex("DynamicValueRelocTableOffset",
Conf->DynamicValueRelocTableOffset);
W.printNumber("DynamicValueRelocTableSection",
Conf->DynamicValueRelocTableSection);
W.printHex("GuardRFVerifyStackPointerFunctionPointer",
Conf->GuardRFVerifyStackPointerFunctionPointer);
W.printHex("HotPatchTableOffset", Conf->HotPatchTableOffset);
Tables.GuardIatTableVA = Conf->GuardAddressTakenIatEntryTable;
Tables.GuardIatTableCount = Conf->GuardAddressTakenIatEntryCount;
Tables.GuardLJmpTableVA = Conf->GuardLongJumpTargetTable;
Tables.GuardLJmpTableCount = Conf->GuardLongJumpTargetCount;
// Print the rest. (2019)
if (Conf->Size < sizeof(T))
return;
W.printHex("EnclaveConfigurationPointer", Conf->EnclaveConfigurationPointer);
W.printHex("VolatileMetadataPointer", Conf->VolatileMetadataPointer);
W.printHex("GuardEHContinuationTable", Conf->GuardEHContinuationTable);
W.printNumber("GuardEHContinuationCount", Conf->GuardEHContinuationCount);
Tables.GuardEHContTableVA = Conf->GuardEHContinuationTable;
Tables.GuardEHContTableCount = Conf->GuardEHContinuationCount;
}
void COFFDumper::printBaseOfDataField(const pe32_header *Hdr) {
W.printHex("BaseOfData", Hdr->BaseOfData);
}
void COFFDumper::printBaseOfDataField(const pe32plus_header *) {}
void COFFDumper::printCodeViewDebugInfo() {
// Print types first to build CVUDTNames, then print symbols.
for (const SectionRef &S : Obj->sections()) {
StringRef SectionName = unwrapOrError(Obj->getFileName(), S.getName());
// .debug$T is a standard CodeView type section, while .debug$P is the same
// format but used for MSVC precompiled header object files.
if (SectionName == ".debug$T" || SectionName == ".debug$P")
printCodeViewTypeSection(SectionName, S);
}
for (const SectionRef &S : Obj->sections()) {
StringRef SectionName = unwrapOrError(Obj->getFileName(), S.getName());
if (SectionName == ".debug$S")
printCodeViewSymbolSection(SectionName, S);
}
}
void COFFDumper::initializeFileAndStringTables(BinaryStreamReader &Reader) {
while (Reader.bytesRemaining() > 0 &&
(!CVFileChecksumTable.valid() || !CVStringTable.valid())) {
// The section consists of a number of subsection in the following format:
// |SubSectionType|SubSectionSize|Contents...|
uint32_t SubType, SubSectionSize;
if (Error E = Reader.readInteger(SubType))
reportError(std::move(E), Obj->getFileName());
if (Error E = Reader.readInteger(SubSectionSize))
reportError(std::move(E), Obj->getFileName());
StringRef Contents;
if (Error E = Reader.readFixedString(Contents, SubSectionSize))
reportError(std::move(E), Obj->getFileName());
BinaryStreamRef ST(Contents, support::little);
switch (DebugSubsectionKind(SubType)) {
case DebugSubsectionKind::FileChecksums:
if (Error E = CVFileChecksumTable.initialize(ST))
reportError(std::move(E), Obj->getFileName());
break;
case DebugSubsectionKind::StringTable:
if (Error E = CVStringTable.initialize(ST))
reportError(std::move(E), Obj->getFileName());
break;
default:
break;
}
uint32_t PaddedSize = alignTo(SubSectionSize, 4);
if (Error E = Reader.skip(PaddedSize - SubSectionSize))
reportError(std::move(E), Obj->getFileName());
}
}
void COFFDumper::printCodeViewSymbolSection(StringRef SectionName,
const SectionRef &Section) {
StringRef SectionContents =
unwrapOrError(Obj->getFileName(), Section.getContents());
StringRef Data = SectionContents;
SmallVector<StringRef, 10> FunctionNames;
StringMap<StringRef> FunctionLineTables;
ListScope D(W, "CodeViewDebugInfo");
// Print the section to allow correlation with printSectionHeaders.
W.printNumber("Section", SectionName, Obj->getSectionID(Section));
uint32_t Magic;
if (Error E = consume(Data, Magic))
reportError(std::move(E), Obj->getFileName());