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dbghelp: Implement fetch_thread_info on powerpc.
[wine/multimedia.git] / dlls / dbghelp / minidump.c
blob6572248fcfdbed89b00a9ddd1466d24fa83f3cc8
1 /*
2 * File minidump.c - management of dumps (read & write)
3 *
4 * Copyright (C) 2004-2005, Eric Pouech
5 *
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
10 *
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
15 *
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
19 */
20
21 #include <time.h>
22
23 #define NONAMELESSUNION
24 #define NONAMELESSSTRUCT
25
26 #include "ntstatus.h"
27 #define WIN32_NO_STATUS
28 #include "dbghelp_private.h"
29 #include "winnls.h"
30 #include "winreg.h"
31 #include "winternl.h"
32 #include "psapi.h"
33 #include "wine/debug.h"
34
35 WINE_DEFAULT_DEBUG_CHANNEL(dbghelp);
36
37 struct dump_memory
38 {
39 ULONG base;
40 ULONG size;
41 ULONG rva;
42 };
43
44 struct dump_module
45 {
46 unsigned is_elf;
47 ULONG base;
48 ULONG size;
49 DWORD timestamp;
50 DWORD checksum;
51 char name[MAX_PATH];
52 };
53
54 struct dump_context
55 {
56 /* process & thread information */
57 HANDLE hProcess;
58 DWORD pid;
59 void* pcs_buffer;
60 SYSTEM_PROCESS_INFORMATION* spi;
61 /* module information */
62 struct dump_module* module;
63 unsigned num_module;
64 /* exception information */
65 /* output information */
66 MINIDUMP_TYPE type;
67 HANDLE hFile;
68 RVA rva;
69 struct dump_memory* mem;
70 unsigned num_mem;
71 /* callback information */
72 MINIDUMP_CALLBACK_INFORMATION* cb;
73 };
74
75 /******************************************************************
76 * fetch_process_info
77 *
78 * reads system wide process information, and make spi point to the record
79 * for process of id 'pid'
80 */
81 static BOOL fetch_process_info(struct dump_context* dc)
82 {
83 ULONG buf_size = 0x1000;
84 NTSTATUS nts;
85
86 dc->pcs_buffer = NULL;
87 if (!(dc->pcs_buffer = HeapAlloc(GetProcessHeap(), 0, buf_size))) return FALSE;
88 for (;;)
89 {
90 nts = NtQuerySystemInformation(SystemProcessInformation,
91 dc->pcs_buffer, buf_size, NULL);
92 if (nts != STATUS_INFO_LENGTH_MISMATCH) break;
93 dc->pcs_buffer = HeapReAlloc(GetProcessHeap(), 0, dc->pcs_buffer,
94 buf_size *= 2);
95 if (!dc->pcs_buffer) return FALSE;
96 }
97
98 if (nts == STATUS_SUCCESS)
99 {
100 dc->spi = dc->pcs_buffer;
101 for (;;)
102 {
103 if (dc->spi->dwProcessID == dc->pid) return TRUE;
104 if (!dc->spi->dwOffset) break;
105 dc->spi = (SYSTEM_PROCESS_INFORMATION*)
106 ((char*)dc->spi + dc->spi->dwOffset);
107 }
108 }
109 HeapFree(GetProcessHeap(), 0, dc->pcs_buffer);
110 dc->pcs_buffer = NULL;
111 dc->spi = NULL;
112 return FALSE;
113 }
114
115 /******************************************************************
116 * fetch_thread_info
117 *
118 * fetches some information about thread of id 'tid'
119 */
120 static BOOL fetch_thread_info(struct dump_context* dc, int thd_idx,
121 MINIDUMP_THREAD* mdThd, CONTEXT* ctx)
122 {
123 NT_TIB tib;
124 DWORD tid = dc->spi->ti[thd_idx].dwThreadID;
125 HANDLE hThread;
126 THREAD_BASIC_INFORMATION tbi;
127
128 memset(ctx, 0, sizeof(*ctx));
129
130 mdThd->ThreadId = dc->spi->ti[thd_idx].dwThreadID;
131 mdThd->SuspendCount = 0;
132 mdThd->Teb = 0;
133 mdThd->Stack.StartOfMemoryRange = 0;
134 mdThd->Stack.Memory.DataSize = 0;
135 mdThd->Stack.Memory.Rva = 0;
136 mdThd->ThreadContext.DataSize = 0;
137 mdThd->ThreadContext.Rva = 0;
138 mdThd->PriorityClass = dc->spi->ti[thd_idx].dwBasePriority; /* FIXME */
139 mdThd->Priority = dc->spi->ti[thd_idx].dwCurrentPriority;
140
141 if ((hThread = OpenThread(THREAD_ALL_ACCESS, FALSE, tid)) == NULL)
142 {
143 FIXME("Couldn't open thread %lu (%lu)\n",
144 dc->spi->ti[thd_idx].dwThreadID, GetLastError());
145 return FALSE;
146 }
147
148 if (NtQueryInformationThread(hThread, ThreadBasicInformation,
149 &tbi, sizeof(tbi), NULL) == STATUS_SUCCESS)
150 {
151 mdThd->Teb = (ULONG_PTR)tbi.TebBaseAddress;
152 if (tbi.ExitStatus == STILL_ACTIVE && tid != GetCurrentThreadId() &&
153 (mdThd->SuspendCount = SuspendThread(hThread)) != (DWORD)-1)
154 {
155 mdThd->SuspendCount--;
156 ctx->ContextFlags = CONTEXT_FULL;
157 if (!GetThreadContext(hThread, ctx))
158 memset(ctx, 0, sizeof(*ctx));
159
160 if (ReadProcessMemory(dc->hProcess, tbi.TebBaseAddress,
161 &tib, sizeof(tib), NULL))
162 {
163 #ifdef __i386__
164 /* limiting the stack dumping to the size actually used */
165 if (ctx->Esp)
166 mdThd->Stack.StartOfMemoryRange = (ctx->Esp - 4);
167 else
168 mdThd->Stack.StartOfMemoryRange = (ULONG_PTR)tib.StackLimit;
169 mdThd->Stack.Memory.DataSize = (ULONG_PTR)tib.StackBase -
170 mdThd->Stack.StartOfMemoryRange;
171 #elif defined(__powerpc__)
172 if (ctx->Iar)
173 mdThd->Stack.StartOfMemoryRange = ctx->Iar - 4;
174 else
175 mdThd->Stack.StartOfMemoryRange = (ULONG_PTR)tib.StackLimit;
176 mdThd->Stack.Memory.DataSize = (ULONG_PTR)tib.StackBase -
177 mdThd->Stack.StartOfMemoryRange;
178 #else
179 #error unsupported CPU
180 #endif
181 }
182 ResumeThread(hThread);
183 }
184 }
185 CloseHandle(hThread);
186 return TRUE;
187 }
188
189 /******************************************************************
190 * add_module
191 *
192 * Add a module to a dump context
193 */
194 static BOOL add_module(struct dump_context* dc, const char* name,
195 DWORD base, DWORD size, DWORD timestamp, DWORD checksum,
196 BOOL is_elf)
197 {
198 if (!dc->module)
199 dc->module = HeapAlloc(GetProcessHeap(), 0,
200 ++dc->num_module * sizeof(*dc->module));
201 else
202 dc->module = HeapReAlloc(GetProcessHeap(), 0, dc->module,
203 ++dc->num_module * sizeof(*dc->module));
204 if (!dc->module) return FALSE;
205 if (is_elf ||
206 !GetModuleFileNameExA(dc->hProcess, (HMODULE)base,
207 dc->module[dc->num_module - 1].name,
208 sizeof(dc->module[dc->num_module - 1].name)))
209 lstrcpynA(dc->module[dc->num_module - 1].name, name,
210 sizeof(dc->module[dc->num_module - 1].name));
211 dc->module[dc->num_module - 1].base = base;
212 dc->module[dc->num_module - 1].size = size;
213 dc->module[dc->num_module - 1].timestamp = timestamp;
214 dc->module[dc->num_module - 1].checksum = checksum;
215 dc->module[dc->num_module - 1].is_elf = is_elf;
216
217 return TRUE;
218 }
219
220 /******************************************************************
221 * fetch_pe_module_info_cb
222 *
223 * Callback for accumulating in dump_context a PE modules set
224 */
225 static BOOL WINAPI fetch_pe_module_info_cb(char* name, DWORD base, DWORD size,
226 void* user)
227 {
228 struct dump_context* dc = (struct dump_context*)user;
229 IMAGE_NT_HEADERS nth;
230
231 if (pe_load_nt_header(dc->hProcess, base, &nth))
232 add_module((struct dump_context*)user, name, base, size,
233 nth.FileHeader.TimeDateStamp, nth.OptionalHeader.CheckSum,
234 FALSE);
235 return TRUE;
236 }
237
238 /******************************************************************
239 * fetch_elf_module_info_cb
240 *
241 * Callback for accumulating in dump_context an ELF modules set
242 */
243 static BOOL fetch_elf_module_info_cb(const char* name, unsigned long base,
244 void* user)
245 {
246 struct dump_context* dc = (struct dump_context*)user;
247 DWORD size, checksum;
248
249 /* FIXME: there's no relevant timestamp on ELF modules */
250 /* NB: if we have a non-null base from the live-target use it (whenever
251 * the ELF module is relocatable or not). If we have a null base (ELF
252 * module isn't relocatable) then grab its base address from ELF file
253 */
254 if (!elf_fetch_file_info(name, base ? NULL : &base, &size, &checksum))
255 size = checksum = 0;
256 add_module(dc, name, base, size, 0 /* FIXME */, checksum, TRUE);
257 return TRUE;
258 }
259
260 static void fetch_module_info(struct dump_context* dc)
261 {
262 EnumerateLoadedModules(dc->hProcess, fetch_pe_module_info_cb, dc);
263 /* Since we include ELF modules in a separate stream from the regular PE ones,
264 * we can always include those ELF modules (they don't eat lots of space)
265 * And it's always a good idea to have a trace of the loaded ELF modules for
266 * a given application in a post mortem debugging condition.
267 */
268 elf_enum_modules(dc->hProcess, fetch_elf_module_info_cb, dc);
269 }
270
271 /******************************************************************
272 * add_memory_block
273 *
274 * Add a memory block to be dumped in a minidump
275 * If rva is non 0, it's the rva in the minidump where has to be stored
276 * also the rva of the memory block when written (this allows to reference
277 * a memory block from outside the list of memory blocks).
278 */
279 static void add_memory_block(struct dump_context* dc, ULONG64 base, ULONG size, ULONG rva)
280 {
281 if (dc->mem)
282 dc->mem = HeapReAlloc(GetProcessHeap(), 0, dc->mem,
283 ++dc->num_mem * sizeof(*dc->mem));
284 else
285 dc->mem = HeapAlloc(GetProcessHeap(), 0, ++dc->num_mem * sizeof(*dc->mem));
286 if (dc->mem)
287 {
288 dc->mem[dc->num_mem - 1].base = base;
289 dc->mem[dc->num_mem - 1].size = size;
290 dc->mem[dc->num_mem - 1].rva = rva;
291 }
292 else dc->num_mem = 0;
293 }
294
295 /******************************************************************
296 * writeat
297 *
298 * Writes a chunk of data at a given position in the minidump
299 */
300 static void writeat(struct dump_context* dc, RVA rva, void* data, unsigned size)
301 {
302 DWORD written;
303
304 SetFilePointer(dc->hFile, rva, NULL, FILE_BEGIN);
305 WriteFile(dc->hFile, data, size, &written, NULL);
306 }
307
308 /******************************************************************
309 * append
310 *
311 * writes a new chunk of data to the minidump, increasing the current
312 * rva in dc
313 */
314 static void append(struct dump_context* dc, void* data, unsigned size)
315 {
316 writeat(dc, dc->rva, data, size);
317 dc->rva += size;
318 }
319
320 /******************************************************************
321 * dump_exception_info
322 *
323 * Write in File the exception information from pcs
324 */
325 static void dump_exception_info(struct dump_context* dc,
326 const MINIDUMP_EXCEPTION_INFORMATION* except)
327 {
328 MINIDUMP_EXCEPTION_STREAM mdExcpt;
329 EXCEPTION_RECORD rec, *prec;
330 CONTEXT ctx, *pctx;
331 int i;
332
333 mdExcpt.ThreadId = except->ThreadId;
334 mdExcpt.__alignment = 0;
335 if (except->ClientPointers)
336 {
337 EXCEPTION_POINTERS ep;
338
339 ReadProcessMemory(dc->hProcess,
340 except->ExceptionPointers, &ep, sizeof(ep), NULL);
341 ReadProcessMemory(dc->hProcess,
342 ep.ExceptionRecord, &rec, sizeof(rec), NULL);
343 ReadProcessMemory(dc->hProcess,
344 ep.ContextRecord, &ctx, sizeof(ctx), NULL);
345 prec = &rec;
346 pctx = &ctx;
347
348 }
349 else
350 {
351 prec = except->ExceptionPointers->ExceptionRecord;
352 pctx = except->ExceptionPointers->ContextRecord;
353 }
354 mdExcpt.ExceptionRecord.ExceptionCode = prec->ExceptionCode;
355 mdExcpt.ExceptionRecord.ExceptionFlags = prec->ExceptionFlags;
356 mdExcpt.ExceptionRecord.ExceptionRecord = (DWORD_PTR)prec->ExceptionRecord;
357 mdExcpt.ExceptionRecord.ExceptionAddress = (DWORD_PTR)prec->ExceptionAddress;
358 mdExcpt.ExceptionRecord.NumberParameters = prec->NumberParameters;
359 mdExcpt.ExceptionRecord.__unusedAlignment = 0;
360 for (i = 0; i < mdExcpt.ExceptionRecord.NumberParameters; i++)
361 mdExcpt.ExceptionRecord.ExceptionInformation[i] = (DWORD_PTR)prec->ExceptionInformation[i];
362 mdExcpt.ThreadContext.DataSize = sizeof(*pctx);
363 mdExcpt.ThreadContext.Rva = dc->rva + sizeof(mdExcpt);
364
365 append(dc, &mdExcpt, sizeof(mdExcpt));
366 append(dc, pctx, sizeof(*pctx));
367 }
368
369 /******************************************************************
370 * dump_modules
371 *
372 * Write in File the modules from pcs
373 */
374 static void dump_modules(struct dump_context* dc, BOOL dump_elf)
375 {
376 MINIDUMP_MODULE mdModule;
377 MINIDUMP_MODULE_LIST mdModuleList;
378 char tmp[1024];
379 MINIDUMP_STRING* ms = (MINIDUMP_STRING*)tmp;
380 ULONG i, nmod;
381 RVA rva_base;
382 DWORD flags_out;
383
384 for (i = nmod = 0; i < dc->num_module; i++)
385 {
386 if ((dc->module[i].is_elf && dump_elf) ||
387 (!dc->module[i].is_elf && !dump_elf))
388 nmod++;
389 }
390
391 mdModuleList.NumberOfModules = 0;
392 /* reserve space for mdModuleList
393 * FIXME: since we don't support 0 length arrays, we cannot use the
394 * size of mdModuleList
395 * FIXME: if we don't ask for all modules in cb, we'll get a hole in the file
396 */
397 rva_base = dc->rva;
398 dc->rva += sizeof(mdModuleList.NumberOfModules) + sizeof(mdModule) * nmod;
399 for (i = 0; i < dc->num_module; i++)
400 {
401 if ((dc->module[i].is_elf && !dump_elf) ||
402 (!dc->module[i].is_elf && dump_elf))
403 continue;
404
405 flags_out = ModuleWriteModule | ModuleWriteMiscRecord | ModuleWriteCvRecord;
406 if (dc->type & MiniDumpWithDataSegs)
407 flags_out |= ModuleWriteDataSeg;
408 if (dc->type & MiniDumpWithProcessThreadData)
409 flags_out |= ModuleWriteTlsData;
410 if (dc->type & MiniDumpWithCodeSegs)
411 flags_out |= ModuleWriteCodeSegs;
412 ms->Length = MultiByteToWideChar(CP_ACP, 0,
413 dc->module[i].name, -1,
414 NULL, 0) * sizeof(WCHAR);
415 if (sizeof(ULONG) + ms->Length > sizeof(tmp))
416 FIXME("Buffer overflow!!!\n");
417 MultiByteToWideChar(CP_ACP, 0, dc->module[i].name, -1,
418 ms->Buffer, ms->Length/sizeof(WCHAR));
419
420 if (dc->cb)
421 {
422 MINIDUMP_CALLBACK_INPUT cbin;
423 MINIDUMP_CALLBACK_OUTPUT cbout;
424
425 cbin.ProcessId = dc->pid;
426 cbin.ProcessHandle = dc->hProcess;
427 cbin.CallbackType = ModuleCallback;
428
429 cbin.u.Module.FullPath = ms->Buffer;
430 cbin.u.Module.BaseOfImage = dc->module[i].base;
431 cbin.u.Module.SizeOfImage = dc->module[i].size;
432 cbin.u.Module.CheckSum = dc->module[i].checksum;
433 cbin.u.Module.TimeDateStamp = dc->module[i].timestamp;
434 memset(&cbin.u.Module.VersionInfo, 0, sizeof(cbin.u.Module.VersionInfo));
435 cbin.u.Module.CvRecord = NULL;
436 cbin.u.Module.SizeOfCvRecord = 0;
437 cbin.u.Module.MiscRecord = NULL;
438 cbin.u.Module.SizeOfMiscRecord = 0;
439
440 cbout.u.ModuleWriteFlags = flags_out;
441 if (!dc->cb->CallbackRoutine(dc->cb->CallbackParam, &cbin, &cbout))
442 continue;
443 flags_out &= cbout.u.ModuleWriteFlags;
444 }
445 if (flags_out & ModuleWriteModule)
446 {
447 mdModule.BaseOfImage = dc->module[i].base;
448 mdModule.SizeOfImage = dc->module[i].size;
449 mdModule.CheckSum = dc->module[i].checksum;
450 mdModule.TimeDateStamp = dc->module[i].timestamp;
451 mdModule.ModuleNameRva = dc->rva;
452 ms->Length -= sizeof(WCHAR);
453 append(dc, ms, sizeof(ULONG) + ms->Length);
454 memset(&mdModule.VersionInfo, 0, sizeof(mdModule.VersionInfo)); /* FIXME */
455 mdModule.CvRecord.DataSize = 0; /* FIXME */
456 mdModule.CvRecord.Rva = 0; /* FIXME */
457 mdModule.MiscRecord.DataSize = 0; /* FIXME */
458 mdModule.MiscRecord.Rva = 0; /* FIXME */
459 mdModule.Reserved0 = 0; /* FIXME */
460 mdModule.Reserved1 = 0; /* FIXME */
461 writeat(dc,
462 rva_base + sizeof(mdModuleList.NumberOfModules) +
463 mdModuleList.NumberOfModules++ * sizeof(mdModule),
464 &mdModule, sizeof(mdModule));
465 }
466 }
467 writeat(dc, rva_base, &mdModuleList.NumberOfModules,
468 sizeof(mdModuleList.NumberOfModules));
469 }
470
471 /******************************************************************
472 * dump_system_info
473 *
474 * Dumps into File the information about the system
475 */
476 static void dump_system_info(struct dump_context* dc)
477 {
478 MINIDUMP_SYSTEM_INFO mdSysInfo;
479 SYSTEM_INFO sysInfo;
480 OSVERSIONINFOW osInfo;
481 DWORD written;
482 ULONG slen;
483
484 GetSystemInfo(&sysInfo);
485 osInfo.dwOSVersionInfoSize = sizeof(osInfo);
486 GetVersionExW(&osInfo);
487
488 mdSysInfo.ProcessorArchitecture = sysInfo.u.s.wProcessorArchitecture;
489 mdSysInfo.ProcessorLevel = sysInfo.wProcessorLevel;
490 mdSysInfo.ProcessorRevision = sysInfo.wProcessorRevision;
491 mdSysInfo.u.s.NumberOfProcessors = sysInfo.dwNumberOfProcessors;
492 mdSysInfo.u.s.ProductType = VER_NT_WORKSTATION; /* FIXME */
493 mdSysInfo.MajorVersion = osInfo.dwMajorVersion;
494 mdSysInfo.MinorVersion = osInfo.dwMinorVersion;
495 mdSysInfo.BuildNumber = osInfo.dwBuildNumber;
496 mdSysInfo.PlatformId = osInfo.dwPlatformId;
497
498 mdSysInfo.CSDVersionRva = dc->rva + sizeof(mdSysInfo);
499 mdSysInfo.u1.Reserved1 = 0;
500
501 memset(&mdSysInfo.Cpu, 0, sizeof(mdSysInfo.Cpu));
502
503 append(dc, &mdSysInfo, sizeof(mdSysInfo));
504
505 slen = lstrlenW(osInfo.szCSDVersion) * sizeof(WCHAR);
506 WriteFile(dc->hFile, &slen, sizeof(slen), &written, NULL);
507 WriteFile(dc->hFile, osInfo.szCSDVersion, slen, &written, NULL);
508 dc->rva += sizeof(ULONG) + slen;
509 }
510
511 /******************************************************************
512 * dump_threads
513 *
514 * Dumps into File the information about running threads
515 */
516 static void dump_threads(struct dump_context* dc)
517 {
518 MINIDUMP_THREAD mdThd;
519 MINIDUMP_THREAD_LIST mdThdList;
520 unsigned i;
521 RVA rva_base;
522 DWORD flags_out;
523 CONTEXT ctx;
524
525 mdThdList.NumberOfThreads = 0;
526
527 rva_base = dc->rva;
528 dc->rva += sizeof(mdThdList.NumberOfThreads) +
529 dc->spi->dwThreadCount * sizeof(mdThd);
530
531 for (i = 0; i < dc->spi->dwThreadCount; i++)
532 {
533 fetch_thread_info(dc, i, &mdThd, &ctx);
534
535 flags_out = ThreadWriteThread | ThreadWriteStack | ThreadWriteContext |
536 ThreadWriteInstructionWindow;
537 if (dc->type & MiniDumpWithProcessThreadData)
538 flags_out |= ThreadWriteThreadData;
539 if (dc->type & MiniDumpWithThreadInfo)
540 flags_out |= ThreadWriteThreadInfo;
541
542 if (dc->cb)
543 {
544 MINIDUMP_CALLBACK_INPUT cbin;
545 MINIDUMP_CALLBACK_OUTPUT cbout;
546
547 cbin.ProcessId = dc->pid;
548 cbin.ProcessHandle = dc->hProcess;
549 cbin.CallbackType = ThreadCallback;
550 cbin.u.Thread.ThreadId = dc->spi->ti[i].dwThreadID;
551 cbin.u.Thread.ThreadHandle = 0; /* FIXME */
552 memcpy(&cbin.u.Thread.Context, &ctx, sizeof(CONTEXT));
553 cbin.u.Thread.SizeOfContext = sizeof(CONTEXT);
554 cbin.u.Thread.StackBase = mdThd.Stack.StartOfMemoryRange;
555 cbin.u.Thread.StackEnd = mdThd.Stack.StartOfMemoryRange +
556 mdThd.Stack.Memory.DataSize;
557
558 cbout.u.ThreadWriteFlags = flags_out;
559 if (!dc->cb->CallbackRoutine(dc->cb->CallbackParam, &cbin, &cbout))
560 continue;
561 flags_out &= cbout.u.ThreadWriteFlags;
562 }
563 if (flags_out & ThreadWriteThread)
564 {
565 if (ctx.ContextFlags && (flags_out & ThreadWriteContext))
566 {
567 mdThd.ThreadContext.Rva = dc->rva;
568 mdThd.ThreadContext.DataSize = sizeof(CONTEXT);
569 append(dc, &ctx, sizeof(CONTEXT));
570 }
571 if (mdThd.Stack.Memory.DataSize && (flags_out & ThreadWriteStack))
572 {
573 add_memory_block(dc, mdThd.Stack.StartOfMemoryRange,
574 mdThd.Stack.Memory.DataSize,
575 rva_base + sizeof(mdThdList.NumberOfThreads) +
576 mdThdList.NumberOfThreads * sizeof(mdThd) +
577 FIELD_OFFSET(MINIDUMP_THREAD, Stack.Memory.Rva));
578 }
579 writeat(dc,
580 rva_base + sizeof(mdThdList.NumberOfThreads) +
581 mdThdList.NumberOfThreads * sizeof(mdThd),
582 &mdThd, sizeof(mdThd));
583 mdThdList.NumberOfThreads++;
584 }
585 if (ctx.ContextFlags && (flags_out & ThreadWriteInstructionWindow))
586 {
587 /* FIXME: - Native dbghelp also dumps 0x80 bytes around EIP
588 * - also crop values across module boundaries,
589 * - and don't make it i386 dependent
590 */
591 /* add_memory_block(dc, ctx.Eip - 0x80, ctx.Eip + 0x80, 0); */
592 }
593 }
594 writeat(dc, rva_base,
595 &mdThdList.NumberOfThreads, sizeof(mdThdList.NumberOfThreads));
596 }
597
598 /******************************************************************
599 * dump_memory_info
600 *
601 * dumps information about the memory of the process (stack of the threads)
602 */
603 static void dump_memory_info(struct dump_context* dc)
604 {
605 MINIDUMP_MEMORY_LIST mdMemList;
606 MINIDUMP_MEMORY_DESCRIPTOR mdMem;
607 DWORD written;
608 unsigned i, pos, len;
609 RVA rva_base;
610 char tmp[1024];
611
612 mdMemList.NumberOfMemoryRanges = dc->num_mem;
613 append(dc, &mdMemList.NumberOfMemoryRanges,
614 sizeof(mdMemList.NumberOfMemoryRanges));
615 rva_base = dc->rva;
616 dc->rva += mdMemList.NumberOfMemoryRanges * sizeof(mdMem);
617
618 for (i = 0; i < dc->num_mem; i++)
619 {
620 mdMem.StartOfMemoryRange = dc->mem[i].base;
621 mdMem.Memory.Rva = dc->rva;
622 mdMem.Memory.DataSize = dc->mem[i].size;
623 SetFilePointer(dc->hFile, dc->rva, NULL, FILE_BEGIN);
624 for (pos = 0; pos < dc->mem[i].size; pos += sizeof(tmp))
625 {
626 len = min(dc->mem[i].size - pos, sizeof(tmp));
627 if (ReadProcessMemory(dc->hProcess,
628 (void*)(ULONG)(dc->mem[i].base + pos),
629 tmp, len, NULL))
630 WriteFile(dc->hFile, tmp, len, &written, NULL);
631 }
632 dc->rva += mdMem.Memory.DataSize;
633 writeat(dc, rva_base + i * sizeof(mdMem), &mdMem, sizeof(mdMem));
634 if (dc->mem[i].rva)
635 {
636 writeat(dc, dc->mem[i].rva, &mdMem.Memory.Rva, sizeof(mdMem.Memory.Rva));
637 }
638 }
639 }
640
641 static void dump_misc_info(struct dump_context* dc)
642 {
643 MINIDUMP_MISC_INFO mmi;
644
645 mmi.SizeOfInfo = sizeof(mmi);
646 mmi.Flags1 = MINIDUMP_MISC1_PROCESS_ID;
647 mmi.ProcessId = dc->pid;
648 /* FIXME: create/user/kernel time */
649 append(dc, &mmi, sizeof(mmi));
650 }
651
652 /******************************************************************
653 * MiniDumpWriteDump (DEBUGHLP.@)
654 *
655 */
656 BOOL WINAPI MiniDumpWriteDump(HANDLE hProcess, DWORD pid, HANDLE hFile,
657 MINIDUMP_TYPE DumpType,
658 PMINIDUMP_EXCEPTION_INFORMATION ExceptionParam,
659 PMINIDUMP_USER_STREAM_INFORMATION UserStreamParam,
660 PMINIDUMP_CALLBACK_INFORMATION CallbackParam)
661 {
662 MINIDUMP_HEADER mdHead;
663 MINIDUMP_DIRECTORY mdDir;
664 DWORD i, nStreams, idx_stream;
665 struct dump_context dc;
666
667 dc.hProcess = hProcess;
668 dc.hFile = hFile;
669 dc.pid = pid;
670 dc.module = NULL;
671 dc.num_module = 0;
672 dc.cb = CallbackParam;
673 dc.type = DumpType;
674 dc.mem = NULL;
675 dc.num_mem = 0;
676 dc.rva = 0;
677
678 if (!fetch_process_info(&dc)) return FALSE;
679 fetch_module_info(&dc);
680
681 /* 1) init */
682 nStreams = 6 + (ExceptionParam ? 1 : 0) +
683 (UserStreamParam ? UserStreamParam->UserStreamCount : 0);
684
685 if (DumpType & MiniDumpWithDataSegs)
686 FIXME("NIY MiniDumpWithDataSegs\n");
687 if (DumpType & MiniDumpWithFullMemory)
688 FIXME("NIY MiniDumpWithFullMemory\n");
689 if (DumpType & MiniDumpWithHandleData)
690 FIXME("NIY MiniDumpWithHandleData\n");
691 if (DumpType & MiniDumpFilterMemory)
692 FIXME("NIY MiniDumpFilterMemory\n");
693 if (DumpType & MiniDumpScanMemory)
694 FIXME("NIY MiniDumpScanMemory\n");
695
696 /* 2) write header */
697 mdHead.Signature = MINIDUMP_SIGNATURE;
698 mdHead.Version = MINIDUMP_VERSION;
699 mdHead.NumberOfStreams = nStreams;
700 mdHead.StreamDirectoryRva = sizeof(mdHead);
701 mdHead.u.TimeDateStamp = time(NULL);
702 mdHead.Flags = DumpType;
703 append(&dc, &mdHead, sizeof(mdHead));
704
705 /* 3) write stream directories */
706 dc.rva += nStreams * sizeof(mdDir);
707 idx_stream = 0;
708
709 /* 3.1) write data stream directories */
710
711 mdDir.StreamType = ThreadListStream;
712 mdDir.Location.Rva = dc.rva;
713 dump_threads(&dc);
714 mdDir.Location.DataSize = dc.rva - mdDir.Location.Rva;
715 writeat(&dc, mdHead.StreamDirectoryRva + idx_stream++ * sizeof(mdDir),
716 &mdDir, sizeof(mdDir));
717
718 mdDir.StreamType = ModuleListStream;
719 mdDir.Location.Rva = dc.rva;
720 dump_modules(&dc, FALSE);
721 mdDir.Location.DataSize = dc.rva - mdDir.Location.Rva;
722 writeat(&dc, mdHead.StreamDirectoryRva + idx_stream++ * sizeof(mdDir),
723 &mdDir, sizeof(mdDir));
724
725 mdDir.StreamType = 0xfff0; /* FIXME: this is part of MS reserved streams */
726 mdDir.Location.Rva = dc.rva;
727 dump_modules(&dc, TRUE);
728 mdDir.Location.DataSize = dc.rva - mdDir.Location.Rva;
729 writeat(&dc, mdHead.StreamDirectoryRva + idx_stream++ * sizeof(mdDir),
730 &mdDir, sizeof(mdDir));
731
732 mdDir.StreamType = MemoryListStream;
733 mdDir.Location.Rva = dc.rva;
734 dump_memory_info(&dc);
735 mdDir.Location.DataSize = dc.rva - mdDir.Location.Rva;
736 writeat(&dc, mdHead.StreamDirectoryRva + idx_stream++ * sizeof(mdDir),
737 &mdDir, sizeof(mdDir));
738
739 mdDir.StreamType = SystemInfoStream;
740 mdDir.Location.Rva = dc.rva;
741 dump_system_info(&dc);
742 mdDir.Location.DataSize = dc.rva - mdDir.Location.Rva;
743 writeat(&dc, mdHead.StreamDirectoryRva + idx_stream++ * sizeof(mdDir),
744 &mdDir, sizeof(mdDir));
745
746 mdDir.StreamType = MiscInfoStream;
747 mdDir.Location.Rva = dc.rva;
748 dump_misc_info(&dc);
749 mdDir.Location.DataSize = dc.rva - mdDir.Location.Rva;
750 writeat(&dc, mdHead.StreamDirectoryRva + idx_stream++ * sizeof(mdDir),
751 &mdDir, sizeof(mdDir));
752
753 /* 3.2) write exception information (if any) */
754 if (ExceptionParam)
755 {
756 mdDir.StreamType = ExceptionStream;
757 mdDir.Location.Rva = dc.rva;
758 dump_exception_info(&dc, ExceptionParam);
759 mdDir.Location.DataSize = dc.rva - mdDir.Location.Rva;
760 writeat(&dc, mdHead.StreamDirectoryRva + idx_stream++ * sizeof(mdDir),
761 &mdDir, sizeof(mdDir));
762 }
763
764 /* 3.3) write user defined streams (if any) */
765 if (UserStreamParam)
766 {
767 for (i = 0; i < UserStreamParam->UserStreamCount; i++)
768 {
769 mdDir.StreamType = UserStreamParam->UserStreamArray[i].Type;
770 mdDir.Location.DataSize = UserStreamParam->UserStreamArray[i].BufferSize;
771 mdDir.Location.Rva = dc.rva;
772 writeat(&dc, mdHead.StreamDirectoryRva + idx_stream++ * sizeof(mdDir),
773 &mdDir, sizeof(mdDir));
774 append(&dc, UserStreamParam->UserStreamArray[i].Buffer,
775 UserStreamParam->UserStreamArray[i].BufferSize);
776 }
777 }
778
779 HeapFree(GetProcessHeap(), 0, dc.pcs_buffer);
780 HeapFree(GetProcessHeap(), 0, dc.mem);
781 HeapFree(GetProcessHeap(), 0, dc.module);
782
783 return TRUE;
784 }
785
786 /******************************************************************
787 * MiniDumpReadDumpStream (DEBUGHLP.@)
788 *
789 *
790 */
791 BOOL WINAPI MiniDumpReadDumpStream(void* base, ULONG str_idx,
792 PMINIDUMP_DIRECTORY* pdir,
793 void** stream, ULONG* size)
794 {
795 MINIDUMP_HEADER* mdHead = (MINIDUMP_HEADER*)base;
796
797 if (mdHead->Signature == MINIDUMP_SIGNATURE)
798 {
799 MINIDUMP_DIRECTORY* dir;
800 int i;
801
802 dir = (MINIDUMP_DIRECTORY*)((char*)base + mdHead->StreamDirectoryRva);
803 for (i = 0; i < mdHead->NumberOfStreams; i++, dir++)
804 {
805 if (dir->StreamType == str_idx)
806 {
807 *pdir = dir;
808 *stream = (char*)base + dir->Location.Rva;
809 *size = dir->Location.DataSize;
810 return TRUE;
811 }
812 }
813 }
814 SetLastError(ERROR_INVALID_PARAMETER);
815 return FALSE;
816 }
Maarten's multimedia branch