-
Notifications
You must be signed in to change notification settings - Fork 4
/
exchndl64.c
1159 lines (941 loc) · 37.4 KB
/
exchndl64.c
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
/***************************************************************************
* Copyright (C) 2004 Jose Fonseca *
* j_r_fonseca[AT]yahoo.co.uk *
* *
* Copyright (C) 2008 by Oliver Bock *
* oliver.bock[AT]aei.mpg.de *
* *
* Based on Matt Pietrek's MSJEXHND.CPP in Microsoft Systems Journal, *
* April 1997. *
* *
* This file is part of Einstein@Home (Radio Pulsar Edition). *
* *
* Einstein@Home is free software: you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published *
* by the Free Software Foundation, version 2 of the License. *
* *
* Einstein@Home is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with Einstein@Home. If not, see <http://www.gnu.org/licenses/>. *
* *
***************************************************************************/
#include <assert.h>
#include <windows.h>
#include <tchar.h>
#include <stdio.h>
#include <stdlib.h>
#include <malloc.h>
#define HAVE_BFD 0
// Declare the static variables
static LPTOP_LEVEL_EXCEPTION_FILTER prevExceptionFilter = NULL;
static
int __cdecl rprintf(const TCHAR * format, ...)
{
TCHAR szBuff[4096];
int retValue;
va_list argptr;
va_start(argptr, format);
retValue = wvsprintf(szBuff, format, argptr);
va_end(argptr);
fprintf(stderr, "%s", szBuff);
return retValue;
}
// The GetModuleBase function retrieves the base address of the module that contains the specified address.
static
SIZE_T GetModuleBase(DWORD64 dwAddress)
{
MEMORY_BASIC_INFORMATION Buffer;
return VirtualQuery((LPCVOID) dwAddress, &Buffer, sizeof(Buffer)) ? (SIZE_T) Buffer.AllocationBase : 0;
}
#ifdef HAVE_BFD
#include <bfd.h>
#include <demangle.h>
#include "coff/internal.h"
#include "libcoff.h"
// Read in the symbol table.
static bfd_boolean
slurp_symtab (bfd *abfd, asymbol ***syms, long *symcount)
{
long storage;
if ((bfd_get_file_flags (abfd) & HAS_SYMS) == 0)
return FALSE;
storage = bfd_get_symtab_upper_bound (abfd);
if (storage < 0)
return FALSE;
*syms = (asymbol **) LocalAlloc(LMEM_FIXED, storage);
if (*syms == NULL)
return FALSE;
if((*symcount = bfd_canonicalize_symtab (abfd, *syms)) < 0)
return FALSE;
return TRUE;
}
// This stucture is used to pass information between translate_addresses and find_address_in_section.
struct find_handle
{
asymbol **syms;
bfd_vma pc;
const char *filename;
const char *functionname;
unsigned int line;
bfd_boolean found;
};
// Look for an address in a section. This is called via bfd_map_over_sections.
static void find_address_in_section (bfd *abfd, asection *section, PTR data)
{
struct find_handle *info = (struct find_handle *) data;
bfd_vma vma;
bfd_size_type size;
if (info->found)
return;
if ((bfd_get_section_flags (abfd, section) & SEC_ALLOC) == 0)
return;
vma = bfd_get_section_vma (abfd, section);
size = bfd_get_section_size (section);
if (info->pc < (vma = bfd_get_section_vma (abfd, section)))
return;
if (info->pc >= vma + (size = bfd_get_section_size (section)))
return;
info->found = bfd_find_nearest_line (abfd, section, info->syms, info->pc - vma, &info->filename, &info->functionname, &info->line);
}
static
BOOL BfdDemangleSymName(LPCTSTR lpName, LPTSTR lpDemangledName, DWORD nSize)
{
char *res;
assert(lpName != NULL);
if((res = cplus_demangle(lpName, DMGL_ANSI /*| DMGL_PARAMS*/)) == NULL)
{
lstrcpyn(lpDemangledName, lpName, nSize);
return FALSE;
}
else
{
lstrcpyn(lpDemangledName, res, nSize);
free (res);
return TRUE;
}
}
static
BOOL BfdGetSymFromAddr(bfd *abfd, asymbol **syms, long symcount, DWORD64 dwAddress, LPTSTR lpSymName, DWORD nSize)
{
HMODULE hModule;
struct find_handle info;
if(!(hModule = (HMODULE) GetModuleBase(dwAddress)))
return FALSE;
info.pc = dwAddress;
if(!(bfd_get_file_flags (abfd) & HAS_SYMS) || !symcount)
return FALSE;
info.syms = syms;
info.found = FALSE;
bfd_map_over_sections (abfd, find_address_in_section, (PTR) &info);
if (info.found == FALSE || info.line == 0)
return FALSE;
assert(lpSymName);
if(info.functionname == NULL && *info.functionname == '\0')
return FALSE;
lstrcpyn(lpSymName, info.functionname, nSize);
return TRUE;
}
static
BOOL BfdGetLineFromAddr(bfd *abfd, asymbol **syms, long symcount, DWORD64 dwAddress, LPTSTR lpFileName, DWORD nSize, LPDWORD lpLineNumber)
{
HMODULE hModule;
struct find_handle info;
if(!(hModule = (HMODULE) GetModuleBase(dwAddress)))
return FALSE;
info.pc = dwAddress;
if(!(bfd_get_file_flags (abfd) & HAS_SYMS) || !symcount)
return FALSE;
info.syms = syms;
info.found = FALSE;
bfd_map_over_sections (abfd, find_address_in_section, (PTR) &info);
if (info.found == FALSE || info.line == 0)
return FALSE;
assert(lpFileName && lpLineNumber);
lstrcpyn(lpFileName, info.filename, nSize);
*lpLineNumber = info.line;
return TRUE;
}
#endif /* HAVE_BFD */
#include <imagehlp.h>
static BOOL bSymInitialized = FALSE;
static HMODULE hModule_Imagehlp = NULL;
typedef BOOL (WINAPI *PFNSYMINITIALIZE)(HANDLE, LPSTR, BOOL);
static PFNSYMINITIALIZE pfnSymInitialize = NULL;
static
BOOL WINAPI j_SymInitialize(HANDLE hProcess, PSTR UserSearchPath, BOOL fInvadeProcess)
{
if(
(hModule_Imagehlp || (hModule_Imagehlp = LoadLibrary(_T("IMAGEHLP.DLL")))) &&
(pfnSymInitialize || (pfnSymInitialize = (PFNSYMINITIALIZE) GetProcAddress(hModule_Imagehlp, "SymInitialize")))
)
return pfnSymInitialize(hProcess, UserSearchPath, fInvadeProcess);
else
return FALSE;
}
typedef BOOL (WINAPI *PFNSYMCLEANUP)(HANDLE);
static PFNSYMCLEANUP pfnSymCleanup = NULL;
static
BOOL WINAPI j_SymCleanup(HANDLE hProcess)
{
if(
(hModule_Imagehlp || (hModule_Imagehlp = LoadLibrary(_T("IMAGEHLP.DLL")))) &&
(pfnSymCleanup || (pfnSymCleanup = (PFNSYMCLEANUP) GetProcAddress(hModule_Imagehlp, "SymCleanup")))
)
return pfnSymCleanup(hProcess);
else
return FALSE;
}
typedef DWORD (WINAPI *PFNSYMSETOPTIONS)(DWORD);
static PFNSYMSETOPTIONS pfnSymSetOptions = NULL;
static
DWORD WINAPI j_SymSetOptions(DWORD SymOptions)
{
if(
(hModule_Imagehlp || (hModule_Imagehlp = LoadLibrary(_T("IMAGEHLP.DLL")))) &&
(pfnSymSetOptions || (pfnSymSetOptions = (PFNSYMSETOPTIONS) GetProcAddress(hModule_Imagehlp, "SymSetOptions")))
)
return pfnSymSetOptions(SymOptions);
else
return FALSE;
}
typedef BOOL (WINAPI *PFNSYMUNDNAME64)(PIMAGEHLP_SYMBOL, PSTR, DWORD);
static PFNSYMUNDNAME64 pfnSymUnDName64 = NULL;
static
BOOL WINAPI j_SymUnDName64(PIMAGEHLP_SYMBOL64 Symbol, PSTR UnDecName, DWORD UnDecNameLength)
{
if(
(hModule_Imagehlp || (hModule_Imagehlp = LoadLibrary(_T("IMAGEHLP.DLL")))) &&
(pfnSymUnDName64 || (pfnSymUnDName64 = (PFNSYMUNDNAME64) GetProcAddress(hModule_Imagehlp, "SymUnDName64")))
)
return pfnSymUnDName64(Symbol, UnDecName, UnDecNameLength);
else
return FALSE;
}
typedef PFUNCTION_TABLE_ACCESS_ROUTINE64 PFNSYMFUNCTIONTABLEACCESS64;
static PFNSYMFUNCTIONTABLEACCESS64 pfnSymFunctionTableAccess64 = NULL;
static
PVOID WINAPI j_SymFunctionTableAccess64(HANDLE hProcess, DWORD64 AddrBase)
{
if(
(hModule_Imagehlp || (hModule_Imagehlp = LoadLibrary(_T("IMAGEHLP.DLL")))) &&
(pfnSymFunctionTableAccess64 || (pfnSymFunctionTableAccess64 = (PFNSYMFUNCTIONTABLEACCESS64) GetProcAddress(hModule_Imagehlp, "SymFunctionTableAccess64")))
)
return pfnSymFunctionTableAccess64(hProcess, AddrBase);
else
return NULL;
}
typedef PGET_MODULE_BASE_ROUTINE64 PFNSYMGETMODULEBASE64;
static PFNSYMGETMODULEBASE64 pfnSymGetModuleBase64 = NULL;
static
DWORD64 WINAPI j_SymGetModuleBase64(HANDLE hProcess, DWORD64 dwAddr)
{
if(
(hModule_Imagehlp || (hModule_Imagehlp = LoadLibrary(_T("IMAGEHLP.DLL")))) &&
(pfnSymGetModuleBase64 || (pfnSymGetModuleBase64 = (PFNSYMGETMODULEBASE64) GetProcAddress(hModule_Imagehlp, "SymGetModuleBase64")))
)
return pfnSymGetModuleBase64(hProcess, dwAddr);
else
return 0;
}
typedef BOOL (WINAPI *PFNSTACKWALK64)(DWORD, HANDLE, HANDLE, LPSTACKFRAME64, LPVOID, PREAD_PROCESS_MEMORY_ROUTINE64, PFUNCTION_TABLE_ACCESS_ROUTINE64, PGET_MODULE_BASE_ROUTINE64, PTRANSLATE_ADDRESS_ROUTINE64);
static PFNSTACKWALK64 pfnStackWalk64 = NULL;
static
BOOL WINAPI j_StackWalk64(
DWORD MachineType,
HANDLE hProcess,
HANDLE hThread,
LPSTACKFRAME64 StackFrame,
PVOID ContextRecord,
PREAD_PROCESS_MEMORY_ROUTINE64 ReadMemoryRoutine,
PFUNCTION_TABLE_ACCESS_ROUTINE64 FunctionTableAccessRoutine,
PGET_MODULE_BASE_ROUTINE64 GetModuleBaseRoutine,
PTRANSLATE_ADDRESS_ROUTINE64 TranslateAddress
)
{
if(
(hModule_Imagehlp || (hModule_Imagehlp = LoadLibrary(_T("IMAGEHLP.DLL")))) &&
(pfnStackWalk64 || (pfnStackWalk64 = (PFNSTACKWALK64) GetProcAddress(hModule_Imagehlp, "StackWalk64")))
)
return pfnStackWalk64(
MachineType,
hProcess,
hThread,
StackFrame,
ContextRecord,
ReadMemoryRoutine,
FunctionTableAccessRoutine,
GetModuleBaseRoutine,
TranslateAddress
);
else
return FALSE;
}
typedef BOOL (WINAPI *PFNSYMGETSYMFROMADDR64)(HANDLE, DWORD64, PDWORD64, PIMAGEHLP_SYMBOL64);
static PFNSYMGETSYMFROMADDR64 pfnSymGetSymFromAddr64 = NULL;
static
BOOL WINAPI j_SymGetSymFromAddr64(HANDLE hProcess, DWORD64 Address, PDWORD64 Displacement, PIMAGEHLP_SYMBOL64 Symbol)
{
if(
(hModule_Imagehlp || (hModule_Imagehlp = LoadLibrary(_T("IMAGEHLP.DLL")))) &&
(pfnSymGetSymFromAddr64 || (pfnSymGetSymFromAddr64 = (PFNSYMGETSYMFROMADDR64) GetProcAddress(hModule_Imagehlp, "SymGetSymFromAddr64")))
)
return pfnSymGetSymFromAddr64(hProcess, Address, Displacement, Symbol);
else
return FALSE;
}
typedef BOOL (WINAPI *PFNSYMGETLINEFROMADDR64)(HANDLE, DWORD64, PDWORD, PIMAGEHLP_LINE64);
static PFNSYMGETLINEFROMADDR64 pfnSymGetLineFromAddr64 = NULL;
static
BOOL WINAPI j_SymGetLineFromAddr64(HANDLE hProcess, DWORD64 dwAddr, PDWORD pdwDisplacement, PIMAGEHLP_LINE64 Line)
{
if(
(hModule_Imagehlp || (hModule_Imagehlp = LoadLibrary(_T("IMAGEHLP.DLL")))) &&
(pfnSymGetLineFromAddr64 || (pfnSymGetLineFromAddr64 = (PFNSYMGETLINEFROMADDR64) GetProcAddress(hModule_Imagehlp, "SymGetLineFromAddr64")))
)
return pfnSymGetLineFromAddr64(hProcess, dwAddr, pdwDisplacement, Line);
else
return FALSE;
}
static
BOOL CALLBACK ReadProcessMemoryArgumentWrapper(
HANDLE hProcess,
DWORD64 lpBaseAddress,
PVOID lpBuffer,
DWORD nSize,
LPDWORD lpNumberOfBytesRead
)
{
return ReadProcessMemory(hProcess, (LPCVOID)lpBaseAddress, (LPVOID)lpBuffer, (SIZE_T)nSize, (SIZE_T *)lpNumberOfBytesRead);
}
static
BOOL ImagehlpDemangleSymName(LPCTSTR lpName, LPTSTR lpDemangledName, DWORD nSize)
{
BYTE symbolBuffer[sizeof(IMAGEHLP_SYMBOL64) + 512];
PIMAGEHLP_SYMBOL64 pSymbol = (PIMAGEHLP_SYMBOL64) symbolBuffer;
memset( symbolBuffer, 0, sizeof(symbolBuffer) );
pSymbol->SizeOfStruct = sizeof(symbolBuffer);
pSymbol->MaxNameLength = 512;
lstrcpyn(pSymbol->Name, lpName, pSymbol->MaxNameLength);
if(!j_SymUnDName64(pSymbol, lpDemangledName, nSize))
return FALSE;
return TRUE;
}
static
BOOL ImagehlpGetSymFromAddr(HANDLE hProcess, DWORD64 dwAddress, LPTSTR lpSymName, DWORD nSize)
{
// IMAGEHLP is wacky, and requires you to pass in a pointer to a
// IMAGEHLP_SYMBOL structure. The problem is that this structure is
// variable length. That is, you determine how big the structure is
// at runtime. This means that you can't use sizeof(struct).
// So...make a buffer that's big enough, and make a pointer
// to the buffer. We also need to initialize not one, but TWO
// members of the structure before it can be used.
BYTE symbolBuffer[sizeof(IMAGEHLP_SYMBOL64) + 512];
PIMAGEHLP_SYMBOL64 pSymbol = (PIMAGEHLP_SYMBOL64) symbolBuffer;
DWORD64 dwDisplacement = 0; // Displacement of the input address, relative to the start of the symbol
pSymbol->SizeOfStruct = sizeof(symbolBuffer);
pSymbol->MaxNameLength = 512;
assert(bSymInitialized);
if(!j_SymGetSymFromAddr64(hProcess, dwAddress, &dwDisplacement, pSymbol))
return FALSE;
lstrcpyn(lpSymName, pSymbol->Name, nSize);
return TRUE;
}
static
BOOL ImagehlpGetLineFromAddr(HANDLE hProcess, DWORD dwAddress, LPTSTR lpFileName, DWORD nSize, LPDWORD lpLineNumber)
{
IMAGEHLP_LINE64 Line;
DWORD dwDisplacement = 0; // Displacement of the input address, relative to the start of the symbol
// Do the source and line lookup.
memset(&Line, 0, sizeof(IMAGEHLP_LINE64));
Line.SizeOfStruct = sizeof(IMAGEHLP_LINE64);
assert(bSymInitialized);
#if 1
{
// The problem is that the symbol engine only finds those source
// line addresses (after the first lookup) that fall exactly on
// a zero displacement. I will walk backwards 100 bytes to
// find the line and return the proper displacement.
DWORD dwTempDisp = 0 ;
while (dwTempDisp < 100 && !j_SymGetLineFromAddr64(hProcess, dwAddress - dwTempDisp, &dwDisplacement, &Line))
++dwTempDisp;
if(dwTempDisp >= 100)
return FALSE;
// It was found and the source line information is correct so
// change the displacement if it was looked up multiple times.
if (dwTempDisp < 100 && dwTempDisp != 0 )
dwDisplacement = dwTempDisp;
}
#else
if(!j_SymGetLineFromAddr(hProcess, dwAddress, &dwDisplacement, &Line))
return FALSE;
#endif
assert(lpFileName && lpLineNumber);
lstrcpyn(lpFileName, Line.FileName, nSize);
*lpLineNumber = Line.LineNumber;
return TRUE;
}
static
BOOL PEGetSymFromAddr(HANDLE hProcess, DWORD64 dwAddress, LPTSTR lpSymName, DWORD64 nSize)
{
HMODULE hModule;
PIMAGE_NT_HEADERS64 pNtHdr;
IMAGE_NT_HEADERS64 NtHdr;
PIMAGE_SECTION_HEADER pSection;
DWORD64 dwNearestAddress = 0, dwNearestName;
int i;
if(!(hModule = (HMODULE) GetModuleBase(dwAddress)))
return FALSE;
{
PIMAGE_DOS_HEADER pDosHdr;
DWORD64 e_lfanew;
// Point to the DOS header in memory
pDosHdr = (PIMAGE_DOS_HEADER)hModule;
// From the DOS header, find the NT (PE) header
if(!ReadProcessMemory(hProcess, &pDosHdr->e_lfanew, &e_lfanew, sizeof(e_lfanew), NULL))
return FALSE;
pNtHdr = (PIMAGE_NT_HEADERS64)(hModule + e_lfanew);
if(!ReadProcessMemory(hProcess, pNtHdr, &NtHdr, sizeof(IMAGE_NT_HEADERS64), NULL))
return FALSE;
}
pSection = (PIMAGE_SECTION_HEADER) (pNtHdr + sizeof(DWORD) + sizeof(IMAGE_FILE_HEADER) + NtHdr.FileHeader.SizeOfOptionalHeader);
// Look for export section
for (i = 0; i < NtHdr.FileHeader.NumberOfSections; i++, pSection++)
{
IMAGE_SECTION_HEADER Section;
PIMAGE_EXPORT_DIRECTORY pExportDir = NULL;
BYTE ExportSectionName[IMAGE_SIZEOF_SHORT_NAME] = {'.', 'e', 'd', 'a', 't', 'a', '\0', '\0'};
if(!ReadProcessMemory(hProcess, pSection, &Section, sizeof(IMAGE_SECTION_HEADER), NULL))
return FALSE;
if(memcmp(Section.Name, ExportSectionName, IMAGE_SIZEOF_SHORT_NAME) == 0)
pExportDir = (PIMAGE_EXPORT_DIRECTORY) (DWORD64) Section.VirtualAddress;
else if ((NtHdr.OptionalHeader.DataDirectory[IMAGE_DIRECTORY_ENTRY_EXPORT].VirtualAddress >= Section.VirtualAddress) && (NtHdr.OptionalHeader.DataDirectory[IMAGE_DIRECTORY_ENTRY_EXPORT].VirtualAddress < (Section.VirtualAddress + Section.SizeOfRawData)))
pExportDir = (PIMAGE_EXPORT_DIRECTORY) (DWORD64) NtHdr.OptionalHeader.DataDirectory[IMAGE_DIRECTORY_ENTRY_EXPORT].VirtualAddress;
if(pExportDir)
{
IMAGE_EXPORT_DIRECTORY ExportDir;
if(!ReadProcessMemory(hProcess, (PVOID)((DWORD64)hModule + (DWORD64)pExportDir), &ExportDir, sizeof(IMAGE_EXPORT_DIRECTORY), NULL))
return FALSE;
{
PDWORD *AddressOfFunctions = (PDWORD*) alloca(ExportDir.NumberOfFunctions*sizeof(PDWORD));
unsigned int j;
if(!ReadProcessMemory(hProcess, (PVOID)((DWORD64)hModule + (DWORD64)ExportDir.AddressOfFunctions), AddressOfFunctions, ExportDir.NumberOfFunctions*sizeof(PDWORD), NULL))
return FALSE;
for(j = 0; j < ExportDir.NumberOfNames; ++j)
{
DWORD64 pFunction = (DWORD64)hModule + (DWORD64)AddressOfFunctions[j];
//ReadProcessMemory(hProcess, (DWORD) hModule + (DWORD) (&ExportDir.AddressOfFunctions[j]), &pFunction, sizeof(pFunction), NULL);
if(pFunction <= dwAddress && pFunction > dwNearestAddress)
{
dwNearestAddress = pFunction;
if(!ReadProcessMemory(hProcess, (PVOID)((DWORD64)hModule + (DWORD64)(&ExportDir.AddressOfNames)[j]), &dwNearestName, sizeof(dwNearestName), NULL))
return FALSE;
dwNearestName = (DWORD64) hModule + dwNearestName;
}
}
}
}
}
if(!dwNearestAddress)
return FALSE;
if(!ReadProcessMemory(hProcess, (PVOID)dwNearestName, lpSymName, nSize, NULL))
return FALSE;
lpSymName[nSize - 1] = 0;
return TRUE;
}
static
BOOL WINAPI IntelStackWalk64(
DWORD MachineType,
HANDLE hProcess,
HANDLE hThread,
LPSTACKFRAME64 StackFrame,
PCONTEXT ContextRecord,
PREAD_PROCESS_MEMORY_ROUTINE64 ReadMemoryRoutine,
PFUNCTION_TABLE_ACCESS_ROUTINE64 FunctionTableAccessRoutine,
PGET_MODULE_BASE_ROUTINE64 GetModuleBaseRoutine,
PTRANSLATE_ADDRESS_ROUTINE64 TranslateAddress
)
{
if(ReadMemoryRoutine == NULL)
ReadMemoryRoutine = &ReadProcessMemoryArgumentWrapper;
if(!StackFrame->Reserved[0])
{
StackFrame->Reserved[0] = 1;
StackFrame->AddrPC.Mode = AddrModeFlat;
#if __MINGW64__
StackFrame->AddrPC.Offset = ContextRecord->Rip;
StackFrame->AddrStack.Offset = ContextRecord->Rsp;
StackFrame->AddrFrame.Offset = ContextRecord->Rbp;
#else
StackFrame->AddrPC.Offset = ContextRecord->Eip;
StackFrame->AddrStack.Offset = ContextRecord->Esp;
StackFrame->AddrFrame.Offset = ContextRecord->Ebp;
#endif
StackFrame->AddrStack.Mode = AddrModeFlat;
StackFrame->AddrFrame.Mode = AddrModeFlat;
StackFrame->AddrReturn.Mode = AddrModeFlat;
if(!ReadMemoryRoutine(hProcess, StackFrame->AddrFrame.Offset + sizeof(DWORD64), &StackFrame->AddrReturn.Offset, sizeof(DWORD64), NULL))
return FALSE;
}
else
{
StackFrame->AddrPC.Offset = StackFrame->AddrReturn.Offset;
//AddrStack = AddrFrame + 2*sizeof(DWORD);
if(!ReadMemoryRoutine(hProcess, StackFrame->AddrFrame.Offset, &StackFrame->AddrFrame.Offset, sizeof(DWORD64), NULL))
return FALSE;
if(!ReadMemoryRoutine(hProcess, StackFrame->AddrFrame.Offset + sizeof(DWORD64), &StackFrame->AddrReturn.Offset, sizeof(DWORD64), NULL))
return FALSE;
}
ReadMemoryRoutine(hProcess, StackFrame->AddrFrame.Offset + 2*sizeof(DWORD64), StackFrame->Params, sizeof(StackFrame->Params), NULL);
return TRUE;
}
static
BOOL StackBackTrace(HANDLE hProcess, HANDLE hThread, PCONTEXT pContext)
{
STACKFRAME StackFrame;
HMODULE hModule = NULL;
TCHAR szModule[MAX_PATH];
#ifdef HAVE_BFD
bfd *abfd = NULL;
asymbol **syms = NULL; // The symbol table.
long symcount = 0; // Number of symbols in `syms'.
#endif /* HAVE_BFD */
assert(!bSymInitialized);
j_SymSetOptions(/* SYMOPT_UNDNAME | */ SYMOPT_LOAD_LINES);
if(j_SymInitialize(hProcess, NULL, TRUE))
bSymInitialized = TRUE;
memset( &StackFrame, 0, sizeof(StackFrame) );
// Initialize the STACKFRAME structure for the first call. This is only
// necessary for Intel CPUs, and isn't mentioned in the documentation.
#if __MINGW64__
StackFrame.AddrPC.Offset = pContext->Rip;
StackFrame.AddrStack.Offset = pContext->Rsp;
StackFrame.AddrFrame.Offset = pContext->Rbp;
#else
StackFrame.AddrPC.Offset = pContext->Eip;
StackFrame.AddrStack.Offset = pContext->Esp;
StackFrame.AddrFrame.Offset = pContext->Ebp;
#endif
StackFrame.AddrPC.Mode = AddrModeFlat;
StackFrame.AddrStack.Mode = AddrModeFlat;
StackFrame.AddrFrame.Mode = AddrModeFlat;
rprintf( _T("Call stack:\r\n") );
if(0)
rprintf( _T("AddrPC AddrReturn AddrFrame AddrStack\r\n") );
while ( 1 )
{
BOOL bSuccess = FALSE;
#ifdef HAVE_BFD
const HMODULE hPrevModule = hModule;
#endif /* HAVE_BFD */
TCHAR szSymName[512] = _T("");
TCHAR szFileName[MAX_PATH] = _T("");
DWORD LineNumber = 0;
if(bSymInitialized)
{
if(!j_StackWalk64(
IMAGE_FILE_MACHINE_AMD64,
hProcess,
hThread,
&StackFrame,
pContext,
NULL,
j_SymFunctionTableAccess64,
j_SymGetModuleBase64,
NULL
)
)
break;
}
else
{
if(!IntelStackWalk64(
IMAGE_FILE_MACHINE_AMD64,
hProcess,
hThread,
&StackFrame,
pContext,
NULL,
NULL,
NULL,
NULL
)
)
break;
}
// Basic sanity check to make sure the frame is OK. Bail if not.
if ( 0 == StackFrame.AddrFrame.Offset )
break;
if(0)
{
rprintf(
_T("%08lX %08lX %08lX %08lX\r\n"),
StackFrame.AddrPC.Offset,
StackFrame.AddrReturn.Offset,
StackFrame.AddrFrame.Offset,
StackFrame.AddrStack.Offset
);
rprintf(
_T("%08lX %08lX %08lX %08lX\r\n"),
StackFrame.Params[0],
StackFrame.Params[1],
StackFrame.Params[2],
StackFrame.Params[3]
);
}
rprintf( _T("%08lX"), StackFrame.AddrPC.Offset);
if((hModule = (HMODULE) GetModuleBase(StackFrame.AddrPC.Offset)) && GetModuleFileName(hModule, szModule, sizeof(szModule)))
{
#ifndef HAVE_BFD
rprintf( _T(" %s:ModulBase %08lX"), szModule, hModule);
#else /* HAVE_BFD */
rprintf( _T(" %s:%08lX"), szModule, StackFrame.AddrPC.Offset);
if(hModule != hPrevModule)
{
if(syms)
{
LocalFree(syms);
syms = NULL;
symcount = 0;
}
if(abfd)
bfd_close(abfd);
if((abfd = bfd_openr (szModule, NULL)))
if(bfd_check_format(abfd, bfd_object))
{
bfd_vma adjust_section_vma = 0;
/* If we are adjusting section VMA's, change them all now. Changing
the BFD information is a hack. However, we must do it, or
bfd_find_nearest_line will not do the right thing. */
if ((adjust_section_vma = (bfd_vma) hModule - pe_data(abfd)->pe_opthdr.ImageBase))
{
asection *s;
for (s = abfd->sections; s != NULL; s = s->next)
{
s->vma += adjust_section_vma;
s->lma += adjust_section_vma;
}
}
if(bfd_get_file_flags(abfd) & HAS_SYMS)
/* Read in the symbol table. */
slurp_symtab(abfd, &syms, &symcount);
}
}
if(!bSuccess && abfd && syms && symcount)
if((bSuccess = BfdGetSymFromAddr(abfd, syms, symcount, StackFrame.AddrPC.Offset, szSymName, 512)))
{
/*
framepointer = StackFrame.AddrFrame.Offset;
hprocess = hProcess;
*/
BfdDemangleSymName(szSymName, szSymName, 512);
rprintf( _T(" %s"), szSymName);
if(BfdGetLineFromAddr(abfd, syms, symcount, StackFrame.AddrPC.Offset, szFileName, MAX_PATH, &LineNumber))
rprintf( _T(" %s:%ld"), szFileName, LineNumber);
}
#endif /* HAVE_BFD */
if(!bSuccess && bSymInitialized)
if((bSuccess = ImagehlpGetSymFromAddr(hProcess, StackFrame.AddrPC.Offset, szSymName, 512)))
{
rprintf( _T(" %s"), szSymName);
ImagehlpDemangleSymName(szSymName, szSymName, 512);
if(ImagehlpGetLineFromAddr(hProcess, StackFrame.AddrPC.Offset, szFileName, MAX_PATH, &LineNumber))
rprintf( _T(" %s:%ld"), szFileName, LineNumber);
}
if(!bSuccess)
if((bSuccess = PEGetSymFromAddr(hProcess, StackFrame.AddrPC.Offset, szSymName, 512)))
rprintf( _T(" %s"), szSymName);
}
rprintf(_T("\r\n"));
}
#ifdef HAVE_BFD
if(syms)
{
LocalFree(syms);
syms = NULL;
symcount = 0;
}
if(abfd)
bfd_close(abfd);
#endif /* HAVE_BFD */
if(bSymInitialized)
{
if(!j_SymCleanup(hProcess))
assert(0);
bSymInitialized = FALSE;
}
return TRUE;
}
static
void GenerateExceptionReport(PEXCEPTION_POINTERS pExceptionInfo)
{
PEXCEPTION_RECORD pExceptionRecord = pExceptionInfo->ExceptionRecord;
TCHAR szModule[MAX_PATH];
HMODULE hModule;
PCONTEXT pContext;
// Start out with a banner
rprintf(_T("-------------------\r\n\r\n"));
{
const TCHAR *lpDayOfWeek[] = {
_T("Sunday"),
_T("Monday"),
_T("Tuesday"),
_T("Wednesday"),
_T("Thursday"),
_T("Friday"),
_T("Saturday")
};
const TCHAR *lpMonth[] = {
NULL,
_T("January"),
_T("February"),
_T("March"),
_T("April"),
_T("May"),
_T("June"),
_T("July"),
_T("August"),
_T("September"),
_T("October"),
_T("November"),
_T("December")
};
SYSTEMTIME SystemTime;
GetLocalTime(&SystemTime);
rprintf(_T("Error occured on %s, %s %i, %i at %02i:%02i:%02i.\r\n\r\n"),
lpDayOfWeek[SystemTime.wDayOfWeek],
lpMonth[SystemTime.wMonth],
SystemTime.wDay,
SystemTime.wYear,
SystemTime.wHour,
SystemTime.wMinute,
SystemTime.wSecond
);
}
// First print information about the type of fault
rprintf(_T("%s caused "), GetModuleFileName(NULL, szModule, MAX_PATH) ? szModule : "Application");
switch(pExceptionRecord->ExceptionCode)
{
case EXCEPTION_ACCESS_VIOLATION:
rprintf(_T("an Access Violation"));
break;
case EXCEPTION_ARRAY_BOUNDS_EXCEEDED:
rprintf(_T("an Array Bound Exceeded"));
break;
case EXCEPTION_BREAKPOINT:
rprintf(_T("a Breakpoint"));
break;
case EXCEPTION_DATATYPE_MISALIGNMENT:
rprintf(_T("a Datatype Misalignment"));
break;
case EXCEPTION_FLT_DENORMAL_OPERAND:
rprintf(_T("a Float Denormal Operand"));
break;
case EXCEPTION_FLT_DIVIDE_BY_ZERO:
rprintf(_T("a Float Divide By Zero"));
break;
case EXCEPTION_FLT_INEXACT_RESULT:
rprintf(_T("a Float Inexact Result"));
break;
case EXCEPTION_FLT_INVALID_OPERATION:
rprintf(_T("a Float Invalid Operation"));
break;
case EXCEPTION_FLT_OVERFLOW:
rprintf(_T("a Float Overflow"));
break;
case EXCEPTION_FLT_STACK_CHECK:
rprintf(_T("a Float Stack Check"));
break;
case EXCEPTION_FLT_UNDERFLOW:
rprintf(_T("a Float Underflow"));
break;
case EXCEPTION_GUARD_PAGE:
rprintf(_T("a Guard Page"));
break;
case EXCEPTION_ILLEGAL_INSTRUCTION:
rprintf(_T("an Illegal Instruction"));
break;
case EXCEPTION_IN_PAGE_ERROR:
rprintf(_T("an In Page Error"));
break;
case EXCEPTION_INT_DIVIDE_BY_ZERO:
rprintf(_T("an Integer Divide By Zero"));
break;
case EXCEPTION_INT_OVERFLOW:
rprintf(_T("an Integer Overflow"));
break;
case EXCEPTION_INVALID_DISPOSITION:
rprintf(_T("an Invalid Disposition"));
break;
case EXCEPTION_INVALID_HANDLE:
rprintf(_T("an Invalid Handle"));
break;
case EXCEPTION_NONCONTINUABLE_EXCEPTION:
rprintf(_T("a Noncontinuable Exception"));
break;
case EXCEPTION_PRIV_INSTRUCTION:
rprintf(_T("a Privileged Instruction"));
break;
case EXCEPTION_SINGLE_STEP:
rprintf(_T("a Single Step"));
break;
case EXCEPTION_STACK_OVERFLOW:
rprintf(_T("a Stack Overflow"));
break;
case DBG_CONTROL_C:
rprintf(_T("a Control+C"));
break;
case DBG_CONTROL_BREAK:
rprintf(_T("a Control+Break"));
break;
case DBG_TERMINATE_THREAD:
rprintf(_T("a Terminate Thread"));
break;
case DBG_TERMINATE_PROCESS:
rprintf(_T("a Terminate Process"));
break;
case RPC_S_UNKNOWN_IF:
rprintf(_T("an Unknown Interface"));
break;
case RPC_S_SERVER_UNAVAILABLE:
rprintf(_T("a Server Unavailable"));
break;
default:
/*
static TCHAR szBuffer[512] = { 0 };
// If not one of the "known" exceptions, try to get the string