1 /*
2 * Wine debugger - minidump handling
3 *
4 * Copyright 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 #define NONAMELESSUNION
22 #define NONAMELESSSTRUCT
23
24 #include "config.h"
25 #include "wine/port.h"
26
27 #include <stdlib.h>
28 #include <stdio.h>
29 #include <string.h>
30 #include <stdarg.h>
31
32 #include "debugger.h"
33 #include "wingdi.h"
34 #include "winuser.h"
35 #include "tlhelp32.h"
36 #include "wine/debug.h"
37 #include "wine/exception.h"
38
39 WINE_DEFAULT_DEBUG_CHANNEL(winedbg);
40
41 static struct be_process_io be_process_minidump_io;
42
43 static DWORD64 get_addr64(DWORD64 addr)
44 {
45 return addr & 0xFFFFFFFF;
46 }
47
48 void minidump_write(const char* file, const EXCEPTION_RECORD* rec)
49 {
50 HANDLE hFile;
51 MINIDUMP_EXCEPTION_INFORMATION mei;
52 EXCEPTION_POINTERS ep;
53
54 hFile = CreateFile(file, GENERIC_READ|GENERIC_WRITE, 0, NULL, CREATE_ALWAYS,
55 FILE_ATTRIBUTE_NORMAL, NULL);
56
57 if (hFile == INVALID_HANDLE_VALUE) return;
58
59 if (rec)
60 {
61 mei.ThreadId = dbg_curr_thread->tid;
62 mei.ExceptionPointers = &ep;
63 ep.ExceptionRecord = (EXCEPTION_RECORD*)rec;
64 ep.ContextRecord = &dbg_context;
65 mei.ClientPointers = FALSE;
66 }
67 MiniDumpWriteDump(dbg_curr_process->handle, dbg_curr_process->pid,
68 hFile, MiniDumpNormal/*|MiniDumpWithDataSegs*/,
69 rec ? &mei : NULL, NULL, NULL);
70 CloseHandle(hFile);
71 }
72
73 #define Wine_ElfModuleListStream 0xFFF0
74
75 struct tgt_process_minidump_data
76 {
77 void* mapping;
78 HANDLE hFile;
79 HANDLE hMap;
80 };
81
82 static inline struct tgt_process_minidump_data* PRIVATE(struct dbg_process* pcs)
83 {
84 return (struct tgt_process_minidump_data*)pcs->pio_data;
85 }
86
87 static BOOL WINAPI tgt_process_minidump_read(HANDLE hProcess, const void* addr,
88 void* buffer, SIZE_T len, SIZE_T* rlen)
89 {
90 ULONG size;
91 MINIDUMP_DIRECTORY* dir;
92 void* stream;
93
94 if (!PRIVATE(dbg_curr_process)->mapping) return FALSE;
95 if (MiniDumpReadDumpStream(PRIVATE(dbg_curr_process)->mapping,
96 MemoryListStream, &dir, &stream, &size))
97 {
98 MINIDUMP_MEMORY_LIST* mml = (MINIDUMP_MEMORY_LIST*)stream;
99 MINIDUMP_MEMORY_DESCRIPTOR* mmd = &mml->MemoryRanges[0];
100 int i;
101
102 for (i = 0; i < mml->NumberOfMemoryRanges; i++, mmd++)
103 {
104 if (get_addr64(mmd->StartOfMemoryRange) <= (DWORD_PTR)addr &&
105 (DWORD_PTR)addr < get_addr64(mmd->StartOfMemoryRange) + mmd->Memory.DataSize)
106 {
107 len = min(len,
108 get_addr64(mmd->StartOfMemoryRange) + mmd->Memory.DataSize - (DWORD_PTR)addr);
109 memcpy(buffer,
110 (char*)PRIVATE(dbg_curr_process)->mapping + mmd->Memory.Rva + (DWORD_PTR)addr - get_addr64(mmd->StartOfMemoryRange),
111 len);
112 if (rlen) *rlen = len;
113 return TRUE;
114 }
115 }
116 }
117 /* FIXME: this is a dirty hack to let the last frame in a bt to work
118 * However, we need to check who's to blame, this code or the current
119 * dbghelp!StackWalk implementation
120 */
121 if ((DWORD_PTR)addr < 32)
122 {
123 memset(buffer, 0, len);
124 if (rlen) *rlen = len;
125 return TRUE;
126 }
127 return FALSE;
128 }
129
130 static BOOL WINAPI tgt_process_minidump_write(HANDLE hProcess, void* addr,
131 const void* buffer, SIZE_T len, SIZE_T* wlen)
132 {
133 return FALSE;
134 }
135
136 BOOL CALLBACK validate_file(PCWSTR name, void* user)
137 {
138 return FALSE; /* get the first file we find !! */
139 }
140
141 static BOOL is_pe_module_embedded(struct tgt_process_minidump_data* data,
142 MINIDUMP_MODULE* pe_mm)
143 {
144 ULONG size;
145 MINIDUMP_DIRECTORY* dir;
146 MINIDUMP_MODULE_LIST* mml;
147
148 if (MiniDumpReadDumpStream(data->mapping, Wine_ElfModuleListStream, &dir,
149 (void**)&mml, &size))
150 {
151 MINIDUMP_MODULE* mm;
152 unsigned i;
153
154 for (i = 0, mm = &mml->Modules[0]; i < mml->NumberOfModules; i++, mm++)
155 {
156 if (get_addr64(mm->BaseOfImage) <= get_addr64(pe_mm->BaseOfImage) &&
157 get_addr64(mm->BaseOfImage) + mm->SizeOfImage >= get_addr64(pe_mm->BaseOfImage) + pe_mm->SizeOfImage)
158 return TRUE;
159 }
160 }
161 return FALSE;
162 }
163
164 static enum dbg_start minidump_do_reload(struct tgt_process_minidump_data* data)
165 {
166 ULONG size;
167 MINIDUMP_DIRECTORY* dir;
168 void* stream;
169 DWORD pid = 1; /* by default */
170 HANDLE hProc = (HANDLE)0x900DBAAD;
171 int i;
172 MINIDUMP_MODULE_LIST* mml;
173 MINIDUMP_MODULE* mm;
174 MINIDUMP_STRING* mds;
175 WCHAR exec_name[1024];
176 WCHAR nameW[1024];
177 unsigned len;
178 static WCHAR default_exec_name[] = {'<','m','i','n','i','d','u','m','p','-','e','x','e','c','>',0};
179
180 /* fetch PID */
181 if (MiniDumpReadDumpStream(data->mapping, MiscInfoStream, &dir, &stream, &size))
182 {
183 MINIDUMP_MISC_INFO* mmi = (MINIDUMP_MISC_INFO*)stream;
184 if (mmi->Flags1 & MINIDUMP_MISC1_PROCESS_ID)
185 pid = mmi->ProcessId;
186 }
187
188 /* fetch executable name (it's normally the first one in module list) */
189 lstrcpyW(exec_name, default_exec_name);
190 if (MiniDumpReadDumpStream(data->mapping, ModuleListStream, &dir, &stream, &size))
191 {
192 mml = (MINIDUMP_MODULE_LIST*)stream;
193 if (mml->NumberOfModules)
194 {
195 WCHAR* ptr;
196
197 mm = &mml->Modules[0];
198 mds = (MINIDUMP_STRING*)((char*)data->mapping + mm->ModuleNameRva);
199 len = mds->Length / 2;
200 memcpy(exec_name, mds->Buffer, mds->Length);
201 exec_name[len] = 0;
202 for (ptr = exec_name + len - 1; ptr >= exec_name; ptr--)
203 {
204 if (*ptr == '/' || *ptr == '\\')
205 {
206 memmove(exec_name, ptr + 1, (lstrlenW(ptr + 1) + 1) * sizeof(WCHAR));
207 break;
208 }
209 }
210 }
211 }
212
213 if (MiniDumpReadDumpStream(data->mapping, SystemInfoStream, &dir, &stream, &size))
214 {
215 MINIDUMP_SYSTEM_INFO* msi = (MINIDUMP_SYSTEM_INFO*)stream;
216 const char *str;
217 char tmp[128];
218
219 dbg_printf("WineDbg starting on minidump on pid %04x\n", pid);
220 switch (msi->ProcessorArchitecture)
221 {
222 case PROCESSOR_ARCHITECTURE_UNKNOWN:
223 str = "Unknown";
224 break;
225 case PROCESSOR_ARCHITECTURE_INTEL:
226 strcpy(tmp, "Intel ");
227 switch (msi->ProcessorLevel)
228 {
229 case 3: str = "80386"; break;
230 case 4: str = "80486"; break;
231 case 5: str = "Pentium"; break;
232 case 6: str = "Pentium Pro/II or AMD Athlon"; break;
233 case 15: str = "Pentium 4 or AMD Athlon64"; break;
234 default: str = "???"; break;
235 }
236 strcat(tmp, str);
237 if (msi->ProcessorLevel == 3 || msi->ProcessorLevel == 4)
238 {
239 if (HIWORD(msi->ProcessorRevision) == 0xFF)
240 sprintf(tmp + strlen(tmp), " (%c%d)",
241 'A' + HIBYTE(LOWORD(msi->ProcessorRevision)),
242 LOBYTE(LOWORD(msi->ProcessorRevision)));
243 else
244 sprintf(tmp + strlen(tmp), " (%c%d)",
245 'A' + HIWORD(msi->ProcessorRevision),
246 LOWORD(msi->ProcessorRevision));
247 }
248 else sprintf(tmp + strlen(tmp), " (%d.%d)",
249 HIWORD(msi->ProcessorRevision),
250 LOWORD(msi->ProcessorRevision));
251 str = tmp;
252 break;
253 case PROCESSOR_ARCHITECTURE_MIPS:
254 str = "Mips";
255 break;
256 case PROCESSOR_ARCHITECTURE_ALPHA:
257 str = "Alpha";
258 break;
259 case PROCESSOR_ARCHITECTURE_PPC:
260 str = "PowerPC";
261 break;
262 default:
263 str = "???";
264 break;
265 }
266 dbg_printf(" %s was running on #%d %s CPU%s",
267 dbg_W2A(exec_name, -1), msi->u.s.NumberOfProcessors, str,
268 msi->u.s.NumberOfProcessors < 2 ? "" : "s");
269 switch (msi->MajorVersion)
270 {
271 case 3:
272 switch (msi->MinorVersion)
273 {
274 case 51: str = "NT 3.51"; break;
275 default: str = "3-????"; break;
276 }
277 break;
278 case 4:
279 switch (msi->MinorVersion)
280 {
281 case 0: str = (msi->PlatformId == VER_PLATFORM_WIN32_NT) ? "NT 4.0" : "95"; break;
282 case 10: str = "98"; break;
283 case 90: str = "ME"; break;
284 default: str = "5-????"; break;
285 }
286 break;
287 case 5:
288 switch (msi->MinorVersion)
289 {
290 case 0: str = "2000"; break;
291 case 1: str = "XP"; break;
292 case 2: str = "Server 2003"; break;
293 default: str = "5-????"; break;
294 }
295 break;
296 default: str = "???"; break;
297 }
298 dbg_printf(" on Windows %s (%u)\n", str, msi->BuildNumber);
299 /* FIXME CSD: msi->CSDVersionRva */
300 }
301
302 dbg_curr_process = dbg_add_process(&be_process_minidump_io, pid, hProc);
303 dbg_curr_pid = pid;
304 dbg_curr_process->pio_data = data;
305 dbg_set_process_name(dbg_curr_process, exec_name);
306
307 dbg_init(hProc, NULL, FALSE);
308
309 if (MiniDumpReadDumpStream(data->mapping, ThreadListStream, &dir, &stream, &size))
310 {
311 MINIDUMP_THREAD_LIST* mtl = (MINIDUMP_THREAD_LIST*)stream;
312 ULONG i;
313
314 for (i = 0; i < mtl->NumberOfThreads; i++)
315 {
316 dbg_add_thread(dbg_curr_process, mtl->Threads[i].ThreadId, NULL,
317 (void*)(DWORD_PTR)get_addr64(mtl->Threads[i].Teb));
318 }
319 }
320 /* first load ELF modules, then do the PE ones */
321 if (MiniDumpReadDumpStream(data->mapping, Wine_ElfModuleListStream, &dir,
322 &stream, &size))
323 {
324 WCHAR buffer[MAX_PATH];
325
326 mml = (MINIDUMP_MODULE_LIST*)stream;
327 for (i = 0, mm = &mml->Modules[0]; i < mml->NumberOfModules; i++, mm++)
328 {
329 mds = (MINIDUMP_STRING*)((char*)data->mapping + mm->ModuleNameRva);
330 memcpy(nameW, mds->Buffer, mds->Length);
331 nameW[mds->Length / sizeof(WCHAR)] = 0;
332 if (SymFindFileInPathW(hProc, NULL, nameW, (void*)(DWORD_PTR)mm->CheckSum,
333 0, 0, SSRVOPT_DWORD, buffer, validate_file, NULL))
334 dbg_load_module(hProc, NULL, buffer, get_addr64(mm->BaseOfImage),
335 mm->SizeOfImage);
336 else
337 SymLoadModuleExW(hProc, NULL, nameW, NULL, get_addr64(mm->BaseOfImage),
338 mm->SizeOfImage, NULL, SLMFLAG_VIRTUAL);
339 }
340 }
341 if (MiniDumpReadDumpStream(data->mapping, ModuleListStream, &dir, &stream, &size))
342 {
343 WCHAR buffer[MAX_PATH];
344
345 mml = (MINIDUMP_MODULE_LIST*)stream;
346 for (i = 0, mm = &mml->Modules[0]; i < mml->NumberOfModules; i++, mm++)
347 {
348 mds = (MINIDUMP_STRING*)((char*)data->mapping + mm->ModuleNameRva);
349 memcpy(nameW, mds->Buffer, mds->Length);
350 nameW[mds->Length / sizeof(WCHAR)] = 0;
351 if (SymFindFileInPathW(hProc, NULL, nameW, (void*)(DWORD_PTR)mm->TimeDateStamp,
352 mm->SizeOfImage, 0, SSRVOPT_DWORD, buffer, validate_file, NULL))
353 dbg_load_module(hProc, NULL, buffer, get_addr64(mm->BaseOfImage),
354 mm->SizeOfImage);
355 else if (is_pe_module_embedded(data, mm))
356 dbg_load_module(hProc, NULL, nameW, get_addr64(mm->BaseOfImage),
357 mm->SizeOfImage);
358 else
359 SymLoadModuleExW(hProc, NULL, nameW, NULL, get_addr64(mm->BaseOfImage),
360 mm->SizeOfImage, NULL, SLMFLAG_VIRTUAL);
361 }
362 }
363 if (MiniDumpReadDumpStream(data->mapping, ExceptionStream, &dir, &stream, &size))
364 {
365 MINIDUMP_EXCEPTION_STREAM* mes = (MINIDUMP_EXCEPTION_STREAM*)stream;
366
367 if ((dbg_curr_thread = dbg_get_thread(dbg_curr_process, mes->ThreadId)))
368 {
369 ADDRESS64 addr;
370
371 dbg_curr_tid = mes->ThreadId;
372 dbg_curr_thread->in_exception = TRUE;
373 dbg_curr_thread->excpt_record.ExceptionCode = mes->ExceptionRecord.ExceptionCode;
374 dbg_curr_thread->excpt_record.ExceptionFlags = mes->ExceptionRecord.ExceptionFlags;
375 dbg_curr_thread->excpt_record.ExceptionRecord = (void*)(DWORD_PTR)get_addr64(mes->ExceptionRecord.ExceptionRecord);
376 dbg_curr_thread->excpt_record.ExceptionAddress = (void*)(DWORD_PTR)get_addr64(mes->ExceptionRecord.ExceptionAddress);
377 dbg_curr_thread->excpt_record.NumberParameters = mes->ExceptionRecord.NumberParameters;
378 for (i = 0; i < dbg_curr_thread->excpt_record.NumberParameters; i++)
379 {
380 dbg_curr_thread->excpt_record.ExceptionInformation[i] = mes->ExceptionRecord.ExceptionInformation[i];
381 }
382 memcpy(&dbg_context, (char*)data->mapping + mes->ThreadContext.Rva,
383 min(sizeof(dbg_context), mes->ThreadContext.DataSize));
384 memory_get_current_pc(&addr);
385 stack_fetch_frames();
386 be_cpu->print_context(dbg_curr_thread->handle, &dbg_context, 0);
387 stack_info();
388 be_cpu->print_segment_info(dbg_curr_thread->handle, &dbg_context);
389 stack_backtrace(mes->ThreadId);
390 source_list_from_addr(&addr, 0);
391 }
392 }
393 return start_ok;
394 }
395
396 static void cleanup(struct tgt_process_minidump_data* data)
397 {
398 if (data->mapping) UnmapViewOfFile(data->mapping);
399 if (data->hMap) CloseHandle(data->hMap);
400 if (data->hFile != INVALID_HANDLE_VALUE) CloseHandle(data->hFile);
401 HeapFree(GetProcessHeap(), 0, data);
402 }
403
404 static struct be_process_io be_process_minidump_io;
405
406 enum dbg_start minidump_reload(int argc, char* argv[])
407 {
408 struct tgt_process_minidump_data* data;
409 enum dbg_start ret = start_error_parse;
410
411 /* try the form <myself> minidump-file */
412 if (argc != 1) return start_error_parse;
413
414 WINE_TRACE("Processing Minidump file %s\n", argv[0]);
415
416 data = HeapAlloc(GetProcessHeap(), 0, sizeof(struct tgt_process_minidump_data));
417 if (!data) return start_error_init;
418 data->mapping = NULL;
419 data->hMap = NULL;
420 data->hFile = INVALID_HANDLE_VALUE;
421
422 if ((data->hFile = CreateFileA(argv[0], GENERIC_READ, FILE_SHARE_READ, NULL,
423 OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL)) != INVALID_HANDLE_VALUE &&
424 ((data->hMap = CreateFileMappingA(data->hFile, NULL, PAGE_READONLY, 0, 0, NULL)) != 0) &&
425 ((data->mapping = MapViewOfFile(data->hMap, FILE_MAP_READ, 0, 0, 0)) != NULL))
426 {
427 __TRY
428 {
429 if (((MINIDUMP_HEADER*)data->mapping)->Signature == MINIDUMP_SIGNATURE)
430 {
431 ret = minidump_do_reload(data);
432 }
433 }
434 __EXCEPT_PAGE_FAULT
435 {
436 dbg_printf("Unexpected fault while reading minidump %s\n", argv[0]);
437 dbg_curr_pid = 0;
438 }
439 __ENDTRY;
440 }
441 if (ret != start_ok) cleanup(data);
442 return ret;
443 }
444
445 static BOOL tgt_process_minidump_close_process(struct dbg_process* pcs, BOOL kill)
446 {
447 struct tgt_process_minidump_data* data = PRIVATE(pcs);
448
449 cleanup(data);
450 pcs->pio_data = NULL;
451 SymCleanup(pcs->handle);
452 dbg_del_process(pcs);
453 return TRUE;
454 }
455
456 static BOOL WINAPI tgt_process_minidump_get_selector(HANDLE hThread, DWORD sel, LDT_ENTRY* le)
457 {
458 /* so far, pretend all selectors are valid, and mapped to a 32bit flat address space */
459 memset(le, 0, sizeof(*le));
460 le->HighWord.Bits.Default_Big = 1;
461 return TRUE;
462 }
463
464 static struct be_process_io be_process_minidump_io =
465 {
466 tgt_process_minidump_close_process,
467 tgt_process_minidump_read,
468 tgt_process_minidump_write,
469 tgt_process_minidump_get_selector,
470 };
471
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