1 /* -*- tab-width: 8; c-basic-offset: 4 -*- */
3 /* Wine internal debugger
4 * Interface to Windows debugger API
5 * Copyright 2000 Eric Pouech
7 * This library is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
12 * This library is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with this library; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
34 #include "msvcrt/excpt.h"
35 #include "wine/library.h"
37 DBG_PROCESS* DEBUG_CurrProcess = NULL;
38 DBG_THREAD* DEBUG_CurrThread = NULL;
41 CONTEXT DEBUG_context;
42 BOOL DEBUG_InteractiveP = FALSE;
44 static char* DEBUG_LastCmdLine = NULL;
46 static DBG_PROCESS* DEBUG_ProcessList = NULL;
47 static enum {none_mode = 0, winedbg_mode, automatic_mode, gdb_mode} local_mode;
49 DBG_INTVAR DEBUG_IntVars[DBG_IV_LAST];
51 void DEBUG_OutputA(int chn, const char* buffer, int len)
53 if (DBG_IVAR(ConChannelMask) & chn)
54 WriteFile(GetStdHandle(STD_OUTPUT_HANDLE), buffer, len, NULL, NULL);
55 if (DBG_IVAR(StdChannelMask) & chn)
56 fwrite(buffer, len, 1, stderr);
59 void DEBUG_OutputW(int chn, const WCHAR* buffer, int len)
61 /* FIXME: this won't work is std output isn't attached to a console */
62 if (DBG_IVAR(ConChannelMask) & chn)
63 WriteConsoleW(GetStdHandle(STD_OUTPUT_HANDLE), buffer, len, NULL, NULL);
64 /* simplistic Unicode to ANSI conversion */
65 if (DBG_IVAR(StdChannelMask) & chn)
66 while (len--) fputc((char)*buffer++, stderr);
69 int DEBUG_Printf(int chn, const char* format, ...)
71 static char buf[4*1024];
75 va_start(valist, format);
76 len = vsnprintf(buf, sizeof(buf), format, valist);
79 if (len <= -1 || len >= sizeof(buf)) {
80 len = sizeof(buf) - 1;
82 buf[len - 1] = buf[len - 2] = buf[len - 3] = '.';
84 DEBUG_OutputA(chn, buf, len);
88 static BOOL DEBUG_IntVarsRW(int read)
91 DWORD type = REG_DWORD;
93 DWORD count = sizeof(val);
95 DBG_INTVAR* div = DEBUG_IntVars;
98 /* initializes internal vars table */
99 #define INTERNAL_VAR(_var,_val,_ref,_typ) \
100 div->val = _val; div->name = #_var; div->pval = _ref; \
101 div->type = DEBUG_GetBasicType(_typ); div++;
106 if (RegCreateKeyA(HKEY_CURRENT_USER, "Software\\Wine\\WineDbg", &hkey)) {
107 /* since the IVars are not yet setup, DEBUG_Printf doesn't work,
109 fprintf(stderr, "Cannot create WineDbg key in registry\n");
113 for (i = 0; i < DBG_IV_LAST; i++) {
115 if (!DEBUG_IntVars[i].pval) {
116 if (!RegQueryValueEx(hkey, DEBUG_IntVars[i].name, 0,
117 &type, (LPSTR)&val, &count))
118 DEBUG_IntVars[i].val = val;
119 DEBUG_IntVars[i].pval = &DEBUG_IntVars[i].val;
121 *DEBUG_IntVars[i].pval = 0;
124 /* FIXME: type should be infered from basic type -if any- of intvar */
125 if (DEBUG_IntVars[i].pval == &DEBUG_IntVars[i].val)
126 RegSetValueEx(hkey, DEBUG_IntVars[i].name, 0,
127 type, (LPCVOID)DEBUG_IntVars[i].pval, count);
134 DBG_INTVAR* DEBUG_GetIntVar(const char* name)
138 for (i = 0; i < DBG_IV_LAST; i++) {
139 if (!strcmp(DEBUG_IntVars[i].name, name))
140 return &DEBUG_IntVars[i];
145 DBG_PROCESS* DEBUG_GetProcess(DWORD pid)
149 for (p = DEBUG_ProcessList; p; p = p->next)
150 if (p->pid == pid) break;
154 DBG_PROCESS* DEBUG_AddProcess(DWORD pid, HANDLE h, const char* imageName)
158 if ((p = DEBUG_GetProcess(pid)))
162 DEBUG_Printf(DBG_CHN_ERR, "Process (%lu) is already defined\n", pid);
167 p->imageName = imageName ? DBG_strdup(imageName) : NULL;
172 if (!(p = DBG_alloc(sizeof(DBG_PROCESS)))) return NULL;
175 p->imageName = imageName ? DBG_strdup(imageName) : NULL;
178 p->continue_on_first_exception = FALSE;
183 p->delayed_bp = NULL;
184 p->num_delayed_bp = 0;
186 p->next = DEBUG_ProcessList;
188 if (DEBUG_ProcessList) DEBUG_ProcessList->prev = p;
189 DEBUG_ProcessList = p;
193 void DEBUG_DelProcess(DBG_PROCESS* p)
197 while (p->threads) DEBUG_DelThread(p->threads);
199 for (i = 0; i < p->num_delayed_bp; i++)
200 if (p->delayed_bp[i].is_symbol)
201 DBG_free(p->delayed_bp[i].u.symbol.name);
203 DBG_free(p->delayed_bp);
204 if (p->prev) p->prev->next = p->next;
205 if (p->next) p->next->prev = p->prev;
206 if (p == DEBUG_ProcessList) DEBUG_ProcessList = p->next;
207 if (p == DEBUG_CurrProcess) DEBUG_CurrProcess = NULL;
208 DBG_free((char*)p->imageName);
212 static void DEBUG_InitCurrProcess(void)
216 BOOL DEBUG_ProcessGetString(char* buffer, int size, HANDLE hp, LPSTR addr)
220 return (addr && ReadProcessMemory(hp, addr, buffer, size, &sz));
223 BOOL DEBUG_ProcessGetStringIndirect(char* buffer, int size, HANDLE hp, LPVOID addr)
229 && ReadProcessMemory(hp, addr, &ad, sizeof(ad), &sz)
232 && ReadProcessMemory(hp, ad, buffer, size, &sz))
238 DBG_THREAD* DEBUG_GetThread(DBG_PROCESS* p, DWORD tid)
243 for (t = p->threads; t; t = t->next)
244 if (t->tid == tid) break;
248 DBG_THREAD* DEBUG_AddThread(DBG_PROCESS* p, DWORD tid,
249 HANDLE h, LPVOID start, LPVOID teb)
251 DBG_THREAD* t = DBG_alloc(sizeof(DBG_THREAD));
260 t->wait_for_first_exception = 0;
261 t->exec_mode = EXEC_CONT;
264 sprintf(t->name, "%08lx", tid);
267 t->next = p->threads;
269 if (p->threads) p->threads->prev = t;
275 static void DEBUG_InitCurrThread(void)
277 if (DEBUG_CurrThread->start) {
278 if (DEBUG_CurrThread->process->num_threads == 1 ||
279 DBG_IVAR(BreakAllThreadsStartup)) {
282 DEBUG_SetBreakpoints(FALSE);
284 value.cookie = DV_TARGET;
286 value.addr.off = (DWORD)DEBUG_CurrThread->start;
287 DEBUG_AddBreakpointFromValue(&value);
288 DEBUG_SetBreakpoints(TRUE);
291 DEBUG_CurrThread->wait_for_first_exception = 1;
295 void DEBUG_DelThread(DBG_THREAD* t)
297 if (t->prev) t->prev->next = t->next;
298 if (t->next) t->next->prev = t->prev;
299 if (t == t->process->threads) t->process->threads = t->next;
300 t->process->num_threads--;
301 if (t == DEBUG_CurrThread) DEBUG_CurrThread = NULL;
305 BOOL DEBUG_Attach(DWORD pid, BOOL cofe)
307 if (!(DEBUG_CurrProcess = DEBUG_AddProcess(pid, 0, NULL))) return FALSE;
309 if (!DebugActiveProcess(pid)) {
310 DEBUG_Printf(DBG_CHN_MESG, "Can't attach process %lx: error %ld\n", pid, GetLastError());
311 DEBUG_DelProcess(DEBUG_CurrProcess);
312 DEBUG_CurrProcess = NULL;
315 DEBUG_CurrProcess->continue_on_first_exception = cofe;
319 BOOL DEBUG_Detach(void)
321 /* remove all set breakpoints in debuggee code */
322 DEBUG_SetBreakpoints(FALSE);
323 /* needed for single stepping (ugly).
324 * should this be handled inside the server ??? */
326 DEBUG_context.EFlags &= ~STEP_FLAG;
328 SetThreadContext(DEBUG_CurrThread->handle, &DEBUG_context);
329 DebugActiveProcessStop(DEBUG_CurrProcess->pid);
330 DEBUG_DelProcess(DEBUG_CurrProcess);
331 DEBUG_CurrProcess = NULL;
332 /* FIXME: should zero out the symbol table too */
336 static BOOL DEBUG_ExceptionProlog(BOOL is_debug, BOOL force, DWORD code)
341 DEBUG_GetCurrentAddress(&addr);
342 DEBUG_SuspendExecution();
347 DEBUG_Printf(DBG_CHN_MESG, " in 32-bit code (0x%08lx)", addr.off);
349 switch(DEBUG_GetSelectorType(addr.seg))
352 DEBUG_Printf(DBG_CHN_MESG, " in 32-bit code (%04lx:%08lx)", addr.seg, addr.off);
355 DEBUG_Printf(DBG_CHN_MESG, " in 16-bit code (%04lx:%04lx)", addr.seg, addr.off);
358 DEBUG_Printf(DBG_CHN_MESG, " in vm86 code (%04lx:%04lx)", addr.seg, addr.off);
361 DEBUG_Printf(DBG_CHN_MESG, " bad CS (%lx)", addr.seg);
364 DEBUG_Printf(DBG_CHN_MESG, ".\n");
367 DEBUG_LoadEntryPoints("Loading new modules symbols:\n");
369 if (!force && is_debug &&
370 DEBUG_ShouldContinue(&addr, code,
371 &DEBUG_CurrThread->exec_count))
374 if ((newmode = DEBUG_GetSelectorType(addr.seg)) == MODE_INVALID) newmode = MODE_32;
375 if (newmode != DEBUG_CurrThread->dbg_mode)
377 static const char * const names[] = { "???", "16-bit", "32-bit", "vm86" };
378 DEBUG_Printf(DBG_CHN_MESG,"In %s mode.\n", names[newmode] );
379 DEBUG_CurrThread->dbg_mode = newmode;
384 if (is_debug || force) {
386 * Do a quiet backtrace so that we have an idea of what the situation
387 * is WRT the source files.
389 DEBUG_BackTrace(DEBUG_CurrTid, FALSE);
391 /* This is a real crash, dump some info */
392 DEBUG_InfoRegisters(&DEBUG_context);
395 if (DEBUG_CurrThread->dbg_mode == MODE_16) {
396 DEBUG_InfoSegments(DEBUG_context.SegDs >> 3, 1);
397 if (DEBUG_context.SegEs != DEBUG_context.SegDs)
398 DEBUG_InfoSegments(DEBUG_context.SegEs >> 3, 1);
400 DEBUG_InfoSegments(DEBUG_context.SegFs >> 3, 1);
402 DEBUG_BackTrace(DEBUG_CurrTid, TRUE);
406 (DEBUG_CurrThread->exec_mode == EXEC_STEPI_OVER) ||
407 (DEBUG_CurrThread->exec_mode == EXEC_STEPI_INSTR)) {
411 /* Show where we crashed */
413 DEBUG_DisassembleInstruction(&addr);
415 /* resets list internal arguments so we can look at source code when needed */
416 DEBUG_FindNearestSymbol(&addr, TRUE, NULL, 0, &list);
417 if (list.sourcefile) DEBUG_List(&list, NULL, 0);
422 static void DEBUG_ExceptionEpilog(void)
424 DEBUG_RestartExecution(DEBUG_CurrThread->exec_count);
426 * This will have gotten absorbed into the breakpoint info
427 * if it was used. Otherwise it would have been ignored.
428 * In any case, we don't mess with it any more.
430 if (DEBUG_CurrThread->exec_mode == EXEC_CONT)
431 DEBUG_CurrThread->exec_count = 0;
434 static BOOL DEBUG_HandleException(EXCEPTION_RECORD *rec, BOOL first_chance, BOOL force)
436 BOOL is_debug = FALSE;
437 THREADNAME_INFO *pThreadName;
440 assert(DEBUG_CurrThread);
442 switch (rec->ExceptionCode)
444 case EXCEPTION_BREAKPOINT:
445 case EXCEPTION_SINGLE_STEP:
448 case EXCEPTION_NAME_THREAD:
449 pThreadName = (THREADNAME_INFO*)(rec->ExceptionInformation);
450 if (pThreadName->dwThreadID == -1)
451 pThread = DEBUG_CurrThread;
453 pThread = DEBUG_GetThread(DEBUG_CurrProcess, pThreadName->dwThreadID);
455 if (ReadProcessMemory(DEBUG_CurrThread->process->handle, pThreadName->szName,
456 pThread->name, 9, NULL))
457 DEBUG_Printf (DBG_CHN_MESG,
458 "Thread ID=0x%lx renamed using MS VC6 extension (name==\"%s\")\n",
459 pThread->tid, pThread->name);
463 if (first_chance && !is_debug && !force && !DBG_IVAR(BreakOnFirstChance))
465 /* pass exception to program except for debug exceptions */
471 /* print some infos */
472 DEBUG_Printf(DBG_CHN_MESG, "%s: ",
473 first_chance ? "First chance exception" : "Unhandled exception");
474 switch (rec->ExceptionCode)
476 case EXCEPTION_INT_DIVIDE_BY_ZERO:
477 DEBUG_Printf(DBG_CHN_MESG, "divide by zero");
479 case EXCEPTION_INT_OVERFLOW:
480 DEBUG_Printf(DBG_CHN_MESG, "overflow");
482 case EXCEPTION_ARRAY_BOUNDS_EXCEEDED:
483 DEBUG_Printf(DBG_CHN_MESG, "array bounds ");
485 case EXCEPTION_ILLEGAL_INSTRUCTION:
486 DEBUG_Printf(DBG_CHN_MESG, "illegal instruction");
488 case EXCEPTION_STACK_OVERFLOW:
489 DEBUG_Printf(DBG_CHN_MESG, "stack overflow");
491 case EXCEPTION_PRIV_INSTRUCTION:
492 DEBUG_Printf(DBG_CHN_MESG, "privileged instruction");
494 case EXCEPTION_ACCESS_VIOLATION:
495 if (rec->NumberParameters == 2)
496 DEBUG_Printf(DBG_CHN_MESG, "page fault on %s access to 0x%08lx",
497 rec->ExceptionInformation[0] ? "write" : "read",
498 rec->ExceptionInformation[1]);
500 DEBUG_Printf(DBG_CHN_MESG, "page fault");
502 case EXCEPTION_DATATYPE_MISALIGNMENT:
503 DEBUG_Printf(DBG_CHN_MESG, "Alignment");
506 DEBUG_Printf(DBG_CHN_MESG, "^C");
509 DEBUG_Printf(DBG_CHN_MESG, "^C");
511 case EXCEPTION_CRITICAL_SECTION_WAIT:
516 addr.off = rec->ExceptionInformation[0];
518 DEBUG_Printf(DBG_CHN_MESG, "wait failed on critical section ");
519 DEBUG_PrintAddress(&addr, DEBUG_CurrThread->dbg_mode, FALSE);
521 if (!DBG_IVAR(BreakOnCritSectTimeOut))
523 DEBUG_Printf(DBG_CHN_MESG, "\n");
527 case EXCEPTION_WINE_STUB:
529 char dll[32], name[64];
530 DEBUG_ProcessGetString( dll, sizeof(dll), DEBUG_CurrThread->process->handle,
531 (char *)rec->ExceptionInformation[0] );
532 DEBUG_ProcessGetString( name, sizeof(name), DEBUG_CurrThread->process->handle,
533 (char *)rec->ExceptionInformation[1] );
534 DEBUG_Printf(DBG_CHN_MESG, "unimplemented function %s.%s called", dll, name );
537 case EXCEPTION_VM86_INTx:
538 DEBUG_Printf(DBG_CHN_MESG, "interrupt %02lx in vm86 mode",
539 rec->ExceptionInformation[0]);
541 case EXCEPTION_VM86_STI:
542 DEBUG_Printf(DBG_CHN_MESG, "sti in vm86 mode");
544 case EXCEPTION_VM86_PICRETURN:
545 DEBUG_Printf(DBG_CHN_MESG, "PIC return in vm86 mode");
548 DEBUG_Printf(DBG_CHN_MESG, "%08lx", rec->ExceptionCode);
553 if (local_mode == automatic_mode)
555 DEBUG_ExceptionProlog(is_debug, FALSE, rec->ExceptionCode);
556 DEBUG_ExceptionEpilog();
557 return TRUE; /* terminate execution */
560 if (DEBUG_ExceptionProlog(is_debug, force, rec->ExceptionCode))
562 DEBUG_InteractiveP = TRUE;
565 DEBUG_ExceptionEpilog();
570 static BOOL DEBUG_HandleDebugEvent(DEBUG_EVENT* de)
575 DEBUG_CurrPid = de->dwProcessId;
576 DEBUG_CurrTid = de->dwThreadId;
578 if ((DEBUG_CurrProcess = DEBUG_GetProcess(de->dwProcessId)) != NULL)
579 DEBUG_CurrThread = DEBUG_GetThread(DEBUG_CurrProcess, de->dwThreadId);
581 DEBUG_CurrThread = NULL;
583 switch (de->dwDebugEventCode)
585 case EXCEPTION_DEBUG_EVENT:
586 if (!DEBUG_CurrThread)
588 DEBUG_Printf(DBG_CHN_ERR, "%08lx:%08lx: not a registered process or thread (perhaps a 16 bit one ?)\n",
589 de->dwProcessId, de->dwThreadId);
593 DEBUG_Printf(DBG_CHN_TRACE, "%08lx:%08lx: exception code=%08lx\n",
594 de->dwProcessId, de->dwThreadId,
595 de->u.Exception.ExceptionRecord.ExceptionCode);
597 if (DEBUG_CurrProcess->continue_on_first_exception)
599 DEBUG_CurrProcess->continue_on_first_exception = FALSE;
600 if (!DBG_IVAR(BreakOnAttach)) break;
603 DEBUG_context.ContextFlags = CONTEXT_CONTROL
605 #ifdef CONTEXT_SEGMENTS
608 #ifdef CONTEXT_DEBUG_REGISTERS
609 | CONTEXT_DEBUG_REGISTERS
613 if (!GetThreadContext(DEBUG_CurrThread->handle, &DEBUG_context))
615 DEBUG_Printf(DBG_CHN_WARN, "Can't get thread's context\n");
619 ret = DEBUG_HandleException(&de->u.Exception.ExceptionRecord,
620 de->u.Exception.dwFirstChance,
621 DEBUG_CurrThread->wait_for_first_exception);
622 if (DEBUG_CurrThread)
624 DEBUG_CurrThread->wait_for_first_exception = 0;
625 SetThreadContext(DEBUG_CurrThread->handle, &DEBUG_context);
629 case CREATE_THREAD_DEBUG_EVENT:
630 DEBUG_Printf(DBG_CHN_TRACE, "%08lx:%08lx: create thread D @%08lx\n", de->dwProcessId, de->dwThreadId,
631 (unsigned long)(LPVOID)de->u.CreateThread.lpStartAddress);
633 if (DEBUG_CurrProcess == NULL)
635 DEBUG_Printf(DBG_CHN_ERR, "Unknown process\n");
638 if (DEBUG_GetThread(DEBUG_CurrProcess, de->dwThreadId) != NULL)
640 DEBUG_Printf(DBG_CHN_TRACE, "Thread already listed, skipping\n");
644 DEBUG_CurrThread = DEBUG_AddThread(DEBUG_CurrProcess,
646 de->u.CreateThread.hThread,
647 de->u.CreateThread.lpStartAddress,
648 de->u.CreateThread.lpThreadLocalBase);
649 if (!DEBUG_CurrThread)
651 DEBUG_Printf(DBG_CHN_ERR, "Couldn't create thread\n");
654 DEBUG_InitCurrThread();
657 case CREATE_PROCESS_DEBUG_EVENT:
658 DEBUG_ProcessGetStringIndirect(buffer, sizeof(buffer),
659 de->u.CreateProcessInfo.hProcess,
660 de->u.CreateProcessInfo.lpImageName);
662 /* FIXME unicode ? de->u.CreateProcessInfo.fUnicode */
663 DEBUG_Printf(DBG_CHN_TRACE, "%08lx:%08lx: create process '%s'/%p @%08lx (%ld<%ld>)\n",
664 de->dwProcessId, de->dwThreadId,
665 buffer, de->u.CreateProcessInfo.lpImageName,
666 (unsigned long)(LPVOID)de->u.CreateProcessInfo.lpStartAddress,
667 de->u.CreateProcessInfo.dwDebugInfoFileOffset,
668 de->u.CreateProcessInfo.nDebugInfoSize);
670 DEBUG_CurrProcess = DEBUG_AddProcess(de->dwProcessId,
671 de->u.CreateProcessInfo.hProcess,
672 buffer[0] ? buffer : "<Debugged Process>");
673 if (DEBUG_CurrProcess == NULL)
675 DEBUG_Printf(DBG_CHN_ERR, "Couldn't create process\n");
679 DEBUG_Printf(DBG_CHN_TRACE, "%08lx:%08lx: create thread I @%08lx\n",
680 de->dwProcessId, de->dwThreadId,
681 (unsigned long)(LPVOID)de->u.CreateProcessInfo.lpStartAddress);
683 DEBUG_CurrThread = DEBUG_AddThread(DEBUG_CurrProcess,
685 de->u.CreateProcessInfo.hThread,
686 de->u.CreateProcessInfo.lpStartAddress,
687 de->u.CreateProcessInfo.lpThreadLocalBase);
688 if (!DEBUG_CurrThread)
690 DEBUG_Printf(DBG_CHN_ERR, "Couldn't create thread\n");
694 DEBUG_InitCurrProcess();
695 DEBUG_InitCurrThread();
697 /* module is either PE, NE or ELF module (for WineLib), but all
698 * are loaded with wine, so load its symbols, then the main module
702 char* ptr = getenv("WINELOADER");
704 if (!ptr || DEBUG_ReadExecutableDbgInfo( ptr ) == DIL_ERROR)
705 DEBUG_ReadExecutableDbgInfo( "wine" );
708 DEBUG_LoadModule32(DEBUG_CurrProcess->imageName, de->u.CreateProcessInfo.hFile,
709 (DWORD)de->u.CreateProcessInfo.lpBaseOfImage);
713 case EXIT_THREAD_DEBUG_EVENT:
714 DEBUG_Printf(DBG_CHN_TRACE, "%08lx:%08lx: exit thread (%ld)\n",
715 de->dwProcessId, de->dwThreadId, de->u.ExitThread.dwExitCode);
717 if (DEBUG_CurrThread == NULL)
719 DEBUG_Printf(DBG_CHN_ERR, "Unknown thread\n");
722 /* FIXME: remove break point set on thread startup */
723 DEBUG_DelThread(DEBUG_CurrThread);
726 case EXIT_PROCESS_DEBUG_EVENT:
727 DEBUG_Printf(DBG_CHN_TRACE, "%08lx:%08lx: exit process (%ld)\n",
728 de->dwProcessId, de->dwThreadId, de->u.ExitProcess.dwExitCode);
730 if (DEBUG_CurrProcess == NULL)
732 DEBUG_Printf(DBG_CHN_ERR, "Unknown process\n");
736 DEBUG_SetBreakpoints(FALSE);
737 /* kill last thread */
738 DEBUG_DelThread(DEBUG_CurrProcess->threads);
739 DEBUG_DelProcess(DEBUG_CurrProcess);
741 DEBUG_Printf(DBG_CHN_MESG, "Process of pid=%08lx has terminated\n", DEBUG_CurrPid);
744 case LOAD_DLL_DEBUG_EVENT:
745 if (DEBUG_CurrThread == NULL)
747 DEBUG_Printf(DBG_CHN_ERR, "Unknown thread\n");
750 DEBUG_ProcessGetStringIndirect(buffer, sizeof(buffer),
751 DEBUG_CurrThread->process->handle,
752 de->u.LoadDll.lpImageName);
754 /* FIXME unicode: de->u.LoadDll.fUnicode */
755 DEBUG_Printf(DBG_CHN_TRACE, "%08lx:%08lx: loads DLL %s @%08lx (%ld<%ld>)\n",
756 de->dwProcessId, de->dwThreadId,
757 buffer, (unsigned long)de->u.LoadDll.lpBaseOfDll,
758 de->u.LoadDll.dwDebugInfoFileOffset,
759 de->u.LoadDll.nDebugInfoSize);
761 DEBUG_LoadModule32(buffer, de->u.LoadDll.hFile, (DWORD)de->u.LoadDll.lpBaseOfDll);
762 DEBUG_CheckDelayedBP();
763 if (DBG_IVAR(BreakOnDllLoad))
765 DEBUG_Printf(DBG_CHN_MESG, "Stopping on DLL %s loading at %08lx\n",
766 buffer, (unsigned long)de->u.LoadDll.lpBaseOfDll);
771 case UNLOAD_DLL_DEBUG_EVENT:
772 DEBUG_Printf(DBG_CHN_TRACE, "%08lx:%08lx: unload DLL @%08lx\n", de->dwProcessId, de->dwThreadId,
773 (unsigned long)de->u.UnloadDll.lpBaseOfDll);
776 case OUTPUT_DEBUG_STRING_EVENT:
777 if (DEBUG_CurrThread == NULL)
779 DEBUG_Printf(DBG_CHN_ERR, "Unknown thread\n");
783 DEBUG_ProcessGetString(buffer, sizeof(buffer),
784 DEBUG_CurrThread->process->handle,
785 de->u.DebugString.lpDebugStringData);
787 /* FIXME unicode de->u.DebugString.fUnicode ? */
788 DEBUG_Printf(DBG_CHN_TRACE, "%08lx:%08lx: output debug string (%s)\n",
789 de->dwProcessId, de->dwThreadId, buffer);
793 DEBUG_Printf(DBG_CHN_TRACE, "%08lx:%08lx: rip error=%ld type=%ld\n",
794 de->dwProcessId, de->dwThreadId, de->u.RipInfo.dwError,
795 de->u.RipInfo.dwType);
799 DEBUG_Printf(DBG_CHN_TRACE, "%08lx:%08lx: unknown event (%ld)\n",
800 de->dwProcessId, de->dwThreadId, de->dwDebugEventCode);
806 static void DEBUG_ResumeDebuggee(DWORD cont)
808 DEBUG_ExceptionEpilog();
810 DEBUG_Printf(DBG_CHN_TRACE,
811 "Exiting debugger PC=%lx EFL=%08lx mode=%d count=%d\n",
813 DEBUG_context.Eip, DEBUG_context.EFlags,
817 DEBUG_CurrThread->exec_mode, DEBUG_CurrThread->exec_count);
819 DEBUG_InteractiveP = FALSE;
820 if (DEBUG_CurrThread)
822 if (!SetThreadContext(DEBUG_CurrThread->handle, &DEBUG_context))
823 DEBUG_Printf(DBG_CHN_MESG, "Cannot set ctx on %lu\n", DEBUG_CurrTid);
824 DEBUG_CurrThread->wait_for_first_exception = 0;
826 if (!ContinueDebugEvent(DEBUG_CurrPid, DEBUG_CurrTid, cont))
827 DEBUG_Printf(DBG_CHN_MESG, "Cannot continue on %lu (%lu)\n",
828 DEBUG_CurrTid, cont);
831 void DEBUG_WaitNextException(DWORD cont, int count, int mode)
835 if (cont == DBG_CONTINUE)
837 DEBUG_CurrThread->exec_count = count;
838 DEBUG_CurrThread->exec_mode = mode;
840 DEBUG_ResumeDebuggee(cont);
842 while (DEBUG_CurrProcess && WaitForDebugEvent(&de, INFINITE))
844 if (DEBUG_HandleDebugEvent(&de)) break;
845 ContinueDebugEvent(de.dwProcessId, de.dwThreadId, DBG_CONTINUE);
847 if (!DEBUG_CurrProcess) return;
848 DEBUG_InteractiveP = TRUE;
850 DEBUG_Printf(DBG_CHN_TRACE,
851 "Entering debugger PC=%lx EFL=%08lx mode=%d count=%d\n",
853 DEBUG_context.Eip, DEBUG_context.EFlags,
857 DEBUG_CurrThread->exec_mode, DEBUG_CurrThread->exec_count);
861 static DWORD DEBUG_MainLoop(void)
865 DEBUG_Printf(DBG_CHN_MESG, "WineDbg starting on pid %lx\n", DEBUG_CurrPid);
867 /* wait for first exception */
868 while (WaitForDebugEvent(&de, INFINITE))
870 if (DEBUG_HandleDebugEvent(&de)) break;
871 ContinueDebugEvent(de.dwProcessId, de.dwThreadId, DBG_CONTINUE);
873 if (local_mode == automatic_mode)
875 /* print some extra information */
876 DEBUG_Printf(DBG_CHN_MESG, "Modules:\n");
878 DEBUG_Printf(DBG_CHN_MESG, "Threads:\n");
883 DEBUG_InteractiveP = TRUE;
886 DEBUG_Printf(DBG_CHN_MESG, "WineDbg terminated on pid %lx\n", DEBUG_CurrPid);
891 static BOOL DEBUG_Start(LPSTR cmdLine)
893 PROCESS_INFORMATION info;
894 STARTUPINFOA startup;
896 memset(&startup, 0, sizeof(startup));
897 startup.cb = sizeof(startup);
898 startup.dwFlags = STARTF_USESHOWWINDOW;
899 startup.wShowWindow = SW_SHOWNORMAL;
901 /* FIXME: shouldn't need the CREATE_NEW_CONSOLE, but as usual CUI:s need it
904 if (!CreateProcess(NULL, cmdLine, NULL, NULL,
905 FALSE, DEBUG_PROCESS|DEBUG_ONLY_THIS_PROCESS|CREATE_NEW_CONSOLE,
906 NULL, NULL, &startup, &info))
908 DEBUG_Printf(DBG_CHN_MESG, "Couldn't start process '%s'\n", cmdLine);
911 DEBUG_CurrPid = info.dwProcessId;
912 if (!(DEBUG_CurrProcess = DEBUG_AddProcess(DEBUG_CurrPid, 0, NULL))) return FALSE;
917 void DEBUG_Run(const char* args)
919 DBG_MODULE* wmod = DEBUG_GetProcessMainModule(DEBUG_CurrProcess);
920 const char* pgm = (wmod) ? wmod->module_name : "none";
923 DEBUG_Printf(DBG_CHN_MESG, "Run (%s) with '%s'\n", pgm, args);
925 if (!DEBUG_LastCmdLine) {
926 DEBUG_Printf(DBG_CHN_MESG, "Cannot find previously used command line.\n");
929 DEBUG_Start(DEBUG_LastCmdLine);
933 static BOOL WINAPI DEBUG_CtrlCHandler(DWORD dwCtrlType)
935 if (dwCtrlType == CTRL_C_EVENT)
937 DEBUG_Printf(DBG_CHN_MESG, "Ctrl-C: stopping debuggee\n");
938 /* FIXME: since we likely have a single process, signal the first process
941 return DEBUG_ProcessList && DebugBreakProcess(DEBUG_ProcessList->handle);
946 static void DEBUG_InitConsole(void)
952 /* keep it as a cuiexe for now, so that Wine won't touch the Unix stdin,
953 * stdout and stderr streams
955 if (DBG_IVAR(UseXTerm))
961 /* this would be nicer for output */
964 SetConsoleScreenBufferSize(GetStdHandle(STD_OUTPUT_HANDLE), c);
966 /* sets the console's window width accordingly */
971 SetConsoleWindowInfo(GetStdHandle(STD_OUTPUT_HANDLE), TRUE, &sr);
973 /* put the line editing mode with the nice emacs features (FIXME: could be triggered by a IVAR) */
974 if (GetConsoleMode(GetStdHandle(STD_INPUT_HANDLE), &mode))
975 SetConsoleMode(GetStdHandle(STD_INPUT_HANDLE), mode | WINE_ENABLE_LINE_INPUT_EMACS);
977 /* set our control-C handler */
978 SetConsoleCtrlHandler(DEBUG_CtrlCHandler, TRUE);
981 static int DEBUG_Usage(void)
983 DEBUG_Printf(DBG_CHN_MESG, "Usage: winedbg [--debugmsg dbgoptions] [--auto] [--gdb] cmdline\n" );
987 int main(int argc, char** argv)
990 unsigned gdb_flags = 0;
992 /* Initialize the type handling stuff. */
994 DEBUG_InitCVDataTypes();
996 /* Initialize internal vars (types must have been initialized before) */
997 if (!DEBUG_IntVarsRW(TRUE)) return -1;
1000 while (argc > 1 && argv[1][0] == '-')
1002 if (!strcmp( argv[1], "--auto" ))
1004 if (local_mode != none_mode) return DEBUG_Usage();
1005 local_mode = automatic_mode;
1006 /* force some internal variables */
1007 DBG_IVAR(UseXTerm) = 0;
1008 DBG_IVAR(BreakOnDllLoad) = 0;
1009 DBG_IVAR(ConChannelMask) = 0;
1010 DBG_IVAR(StdChannelMask) = DBG_CHN_MESG;
1014 if (!strcmp( argv[1], "--gdb" ))
1016 if (local_mode != none_mode) return DEBUG_Usage();
1017 local_mode = gdb_mode;
1021 if (strcmp( argv[1], "--no-start") == 0 && local_mode == gdb_mode)
1024 argc--; argv++; /* as we don't use argv[0] */
1027 if (strcmp(argv[1], "--with-xterm") == 0 && local_mode == gdb_mode)
1030 argc--; argv++; /* as we don't use argv[0] */
1033 if (!strcmp( argv[1], "--debugmsg" ) && argv[2])
1035 wine_dbg_parse_options( argv[2] );
1040 return DEBUG_Usage();
1043 if (local_mode == none_mode) local_mode = winedbg_mode;
1045 /* try the from <myself> pid */
1046 if (DEBUG_CurrPid == 0 && argc == 2)
1050 DEBUG_CurrPid = strtol(argv[1], &ptr, 10);
1051 if (DEBUG_CurrPid == 0 || ptr == NULL ||
1052 !DEBUG_Attach(DEBUG_CurrPid, local_mode != gdb_mode))
1056 /* try the from <myself> pid evt (Win32 JIT debugger) */
1057 if (DEBUG_CurrPid == 0 && argc == 3)
1063 if ((pid = strtol(argv[1], &ptr, 10)) != 0 && ptr != NULL &&
1064 (hEvent = (HANDLE)strtol(argv[2], &ptr, 10)) != 0 && ptr != NULL)
1066 if (!DEBUG_Attach(pid, TRUE))
1068 /* don't care about result */
1072 if (!SetEvent(hEvent))
1074 DEBUG_Printf(DBG_CHN_ERR, "Invalid event handle: %p\n", hEvent);
1077 CloseHandle(hEvent);
1078 DEBUG_CurrPid = pid;
1082 if (DEBUG_CurrPid == 0 && argc > 1)
1087 if (!(cmdLine = DBG_alloc(len = 1))) goto oom_leave;
1090 for (i = 1; i < argc; i++)
1092 len += strlen(argv[i]) + 1;
1093 if (!(cmdLine = DBG_realloc(cmdLine, len))) goto oom_leave;
1094 strcat(cmdLine, argv[i]);
1095 cmdLine[len - 2] = ' ';
1096 cmdLine[len - 1] = '\0';
1099 if (!DEBUG_Start(cmdLine))
1101 DEBUG_Printf(DBG_CHN_MESG, "Couldn't start process '%s'\n", cmdLine);
1104 DBG_free(DEBUG_LastCmdLine);
1105 DEBUG_LastCmdLine = cmdLine;
1107 /* don't save local vars in gdb mode */
1108 if (local_mode == gdb_mode && DEBUG_CurrPid)
1109 return DEBUG_GdbRemote(gdb_flags);
1111 DEBUG_InitConsole();
1113 retv = DEBUG_MainLoop();
1114 /* don't save modified variables in auto mode */
1115 if (local_mode != automatic_mode) DEBUG_IntVarsRW(FALSE);
1121 DEBUG_Printf(DBG_CHN_MESG, "Out of memory\n");