2 * Wine debugger - back-end for an active target
4 * Copyright 2000-2006 Eric Pouech
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.
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.
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
31 #include "wine/debug.h"
32 #include "wine/exception.h"
34 WINE_DEFAULT_DEBUG_CHANNEL(winedbg
);
36 static char* dbg_last_cmd_line
;
37 static struct be_process_io be_process_active_io
;
39 static void dbg_init_current_process(void)
43 static void dbg_init_current_thread(void* start
)
47 if (dbg_curr_process
->threads
&&
48 !dbg_curr_process
->threads
->next
&& /* first thread ? */
49 DBG_IVAR(BreakAllThreadsStartup
))
53 break_set_xpoints(FALSE
);
54 addr
.Mode
= AddrModeFlat
;
55 addr
.Offset
= (DWORD
)start
;
56 break_add_break(&addr
, TRUE
, TRUE
);
57 break_set_xpoints(TRUE
);
62 static unsigned dbg_handle_debug_event(DEBUG_EVENT
* de
);
64 /******************************************************************
67 * Sets the debuggee to <pid>
68 * cofe instructs winedbg what to do when first exception is received
69 * (break=FALSE, continue=TRUE)
70 * wfe is set to TRUE if dbg_attach_debuggee should also proceed with all debug events
71 * until the first exception is received (aka: attach to an already running process)
73 BOOL
dbg_attach_debuggee(DWORD pid
, BOOL cofe
)
75 if (!(dbg_curr_process
= dbg_add_process(&be_process_active_io
, pid
, 0))) return FALSE
;
77 if (!DebugActiveProcess(pid
))
79 dbg_printf("Can't attach process %lx: error %ld\n", pid
, GetLastError());
80 dbg_del_process(dbg_curr_process
);
83 dbg_curr_process
->continue_on_first_exception
= cofe
;
85 SetEnvironmentVariableA("DBGHELP_NOLIVE", NULL
);
87 dbg_curr_process
->active_debuggee
= TRUE
;
91 static unsigned dbg_fetch_context(void)
93 dbg_context
.ContextFlags
= CONTEXT_CONTROL
94 | CONTEXT_INTEGER
| CONTEXT_FLOATING_POINT
95 #ifdef CONTEXT_SEGMENTS
98 #ifdef CONTEXT_DEBUG_REGISTERS
99 | CONTEXT_DEBUG_REGISTERS
102 if (!GetThreadContext(dbg_curr_thread
->handle
, &dbg_context
))
104 WINE_WARN("Can't get thread's context\n");
110 static unsigned dbg_exception_prolog(BOOL is_debug
, const EXCEPTION_RECORD
* rec
)
114 char hexbuf
[MAX_OFFSET_TO_STR_LEN
];
116 memory_get_current_pc(&addr
);
117 break_suspend_execution();
118 dbg_curr_thread
->excpt_record
= *rec
;
119 dbg_curr_thread
->in_exception
= TRUE
;
126 dbg_printf(" in 32-bit code (%s)",
127 memory_offset_to_string(hexbuf
, addr
.Offset
, 0));
130 dbg_printf(" in vm86 code (%04x:%04x)", addr
.Segment
, (unsigned) addr
.Offset
);
133 dbg_printf(" in 16-bit code (%04x:%04x)", addr
.Segment
, (unsigned) addr
.Offset
);
136 dbg_printf(" in 32-bit code (%04x:%08lx)", addr
.Segment
, (unsigned long) addr
.Offset
);
138 default: dbg_printf(" bad address");
143 /* this will resynchronize builtin dbghelp's internal ELF module list */
144 SymLoadModule(dbg_curr_process
->handle
, 0, 0, 0, 0, 0);
146 if (is_debug
) break_adjust_pc(&addr
, rec
->ExceptionCode
, &is_break
);
148 * Do a quiet backtrace so that we have an idea of what the situation
149 * is WRT the source files.
151 stack_fetch_frames();
153 if (is_debug
&& !is_break
&& break_should_continue(&addr
, rec
->ExceptionCode
))
156 if (addr
.Mode
!= dbg_curr_thread
->addr_mode
)
158 const char* name
= NULL
;
162 case AddrMode1616
: name
= "16 bit"; break;
163 case AddrMode1632
: name
= "32 bit"; break;
164 case AddrModeReal
: name
= "vm86"; break;
165 case AddrModeFlat
: name
= "32 bit"; break;
168 dbg_printf("In %s mode.\n", name
);
169 dbg_curr_thread
->addr_mode
= addr
.Mode
;
175 /* This is a real crash, dump some info */
176 be_cpu
->print_context(dbg_curr_thread
->handle
, &dbg_context
, 0);
178 be_cpu
->print_segment_info(dbg_curr_thread
->handle
, &dbg_context
);
179 stack_backtrace(dbg_curr_tid
);
183 static char* last_name
;
184 static char* last_file
;
186 char buffer
[sizeof(SYMBOL_INFO
) + 256];
187 SYMBOL_INFO
* si
= (SYMBOL_INFO
*)buffer
;
188 void* lin
= memory_to_linear_addr(&addr
);
193 si
->SizeOfStruct
= sizeof(*si
);
194 si
->MaxNameLen
= 256;
195 il
.SizeOfStruct
= sizeof(il
);
196 if (SymFromAddr(dbg_curr_process
->handle
, (DWORD_PTR
)lin
, &disp64
, si
) &&
197 SymGetLineFromAddr(dbg_curr_process
->handle
, (DWORD_PTR
)lin
, &disp
, &il
))
199 if ((!last_name
|| strcmp(last_name
, si
->Name
)) ||
200 (!last_file
|| strcmp(last_file
, il
.FileName
)))
202 HeapFree(GetProcessHeap(), 0, last_name
);
203 HeapFree(GetProcessHeap(), 0, last_file
);
204 last_name
= strcpy(HeapAlloc(GetProcessHeap(), 0, strlen(si
->Name
) + 1), si
->Name
);
205 last_file
= strcpy(HeapAlloc(GetProcessHeap(), 0, strlen(il
.FileName
) + 1), il
.FileName
);
206 dbg_printf("%s () at %s:%ld\n", last_name
, last_file
, il
.LineNumber
);
210 if (!is_debug
|| is_break
||
211 dbg_curr_thread
->exec_mode
== dbg_exec_step_over_insn
||
212 dbg_curr_thread
->exec_mode
== dbg_exec_step_into_insn
)
214 ADDRESS64 tmp
= addr
;
215 /* Show where we crashed */
216 memory_disasm_one_insn(&tmp
);
218 source_list_from_addr(&addr
, 0);
223 static void dbg_exception_epilog(void)
225 break_restart_execution(dbg_curr_thread
->exec_count
);
227 * This will have gotten absorbed into the breakpoint info
228 * if it was used. Otherwise it would have been ignored.
229 * In any case, we don't mess with it any more.
231 if (dbg_curr_thread
->exec_mode
== dbg_exec_cont
)
232 dbg_curr_thread
->exec_count
= 0;
233 dbg_curr_thread
->in_exception
= FALSE
;
236 static DWORD
dbg_handle_exception(const EXCEPTION_RECORD
* rec
, BOOL first_chance
)
238 BOOL is_debug
= FALSE
;
239 THREADNAME_INFO
* pThreadName
;
240 struct dbg_thread
* pThread
;
242 assert(dbg_curr_thread
);
244 WINE_TRACE("exception=%lx first_chance=%c\n",
245 rec
->ExceptionCode
, first_chance
? 'Y' : 'N');
247 switch (rec
->ExceptionCode
)
249 case EXCEPTION_BREAKPOINT
:
250 case EXCEPTION_SINGLE_STEP
:
253 case EXCEPTION_NAME_THREAD
:
254 pThreadName
= (THREADNAME_INFO
*)(rec
->ExceptionInformation
);
255 if (pThreadName
->dwThreadID
== -1)
256 pThread
= dbg_curr_thread
;
258 pThread
= dbg_get_thread(dbg_curr_process
, pThreadName
->dwThreadID
);
261 dbg_printf("Thread ID=0x%lx not in our list of threads -> can't rename\n", pThreadName
->dwThreadID
);
264 if (dbg_read_memory(pThreadName
->szName
, pThread
->name
, 9))
265 dbg_printf("Thread ID=0x%lx renamed using MS VC6 extension (name==\"%s\")\n",
266 pThread
->tid
, pThread
->name
);
270 if (first_chance
&& !is_debug
&& !DBG_IVAR(BreakOnFirstChance
) &&
271 !(rec
->ExceptionFlags
& EH_STACK_INVALID
))
273 /* pass exception to program except for debug exceptions */
274 return DBG_EXCEPTION_NOT_HANDLED
;
279 /* print some infos */
281 first_chance
? "First chance exception" : "Unhandled exception");
282 switch (rec
->ExceptionCode
)
284 case EXCEPTION_INT_DIVIDE_BY_ZERO
:
285 dbg_printf("divide by zero");
287 case EXCEPTION_INT_OVERFLOW
:
288 dbg_printf("overflow");
290 case EXCEPTION_ARRAY_BOUNDS_EXCEEDED
:
291 dbg_printf("array bounds");
293 case EXCEPTION_ILLEGAL_INSTRUCTION
:
294 dbg_printf("illegal instruction");
296 case EXCEPTION_STACK_OVERFLOW
:
297 dbg_printf("stack overflow");
299 case EXCEPTION_PRIV_INSTRUCTION
:
300 dbg_printf("privileged instruction");
302 case EXCEPTION_ACCESS_VIOLATION
:
303 if (rec
->NumberParameters
== 2)
304 dbg_printf("page fault on %s access to 0x%08lx",
305 rec
->ExceptionInformation
[0] == EXCEPTION_WRITE_FAULT
? "write" :
306 rec
->ExceptionInformation
[0] == EXCEPTION_EXECUTE_FAULT
? "execute" : "read",
307 rec
->ExceptionInformation
[1]);
309 dbg_printf("page fault");
311 case EXCEPTION_DATATYPE_MISALIGNMENT
:
312 dbg_printf("Alignment");
320 case STATUS_POSSIBLE_DEADLOCK
:
324 addr
.Mode
= AddrModeFlat
;
325 addr
.Offset
= rec
->ExceptionInformation
[0];
327 dbg_printf("wait failed on critical section ");
328 print_address(&addr
, FALSE
);
330 if (!DBG_IVAR(BreakOnCritSectTimeOut
))
333 return DBG_EXCEPTION_NOT_HANDLED
;
336 case EXCEPTION_WINE_STUB
:
338 char dll
[32], name
[64];
339 memory_get_string(dbg_curr_process
,
340 (void*)rec
->ExceptionInformation
[0], TRUE
, FALSE
,
342 if (HIWORD(rec
->ExceptionInformation
[1]))
343 memory_get_string(dbg_curr_process
,
344 (void*)rec
->ExceptionInformation
[1], TRUE
, FALSE
,
347 sprintf( name
, "%ld", rec
->ExceptionInformation
[1] );
348 dbg_printf("unimplemented function %s.%s called", dll
, name
);
351 case EXCEPTION_WINE_ASSERTION
:
352 dbg_printf("assertion failed");
354 case EXCEPTION_VM86_INTx
:
355 dbg_printf("interrupt %02lx in vm86 mode", rec
->ExceptionInformation
[0]);
357 case EXCEPTION_VM86_STI
:
358 dbg_printf("sti in vm86 mode");
360 case EXCEPTION_VM86_PICRETURN
:
361 dbg_printf("PIC return in vm86 mode");
363 case EXCEPTION_FLT_DENORMAL_OPERAND
:
364 dbg_printf("denormal float operand");
366 case EXCEPTION_FLT_DIVIDE_BY_ZERO
:
367 dbg_printf("divide by zero");
369 case EXCEPTION_FLT_INEXACT_RESULT
:
370 dbg_printf("inexact float result");
372 case EXCEPTION_FLT_INVALID_OPERATION
:
373 dbg_printf("invalid float operation");
375 case EXCEPTION_FLT_OVERFLOW
:
376 dbg_printf("floating pointer overflow");
378 case EXCEPTION_FLT_UNDERFLOW
:
379 dbg_printf("floating pointer underflow");
381 case EXCEPTION_FLT_STACK_CHECK
:
382 dbg_printf("floating point stack check");
385 dbg_printf("0x%08lx", rec
->ExceptionCode
);
389 if( (rec
->ExceptionFlags
& EH_STACK_INVALID
) ) {
390 dbg_printf( ", invalid program stack" );
393 if (dbg_exception_prolog(is_debug
, rec
))
395 dbg_interactiveP
= TRUE
;
398 dbg_exception_epilog();
403 static BOOL
tgt_process_active_close_process(struct dbg_process
* pcs
, BOOL kill
);
405 static void fetch_module_name(void* name_addr
, BOOL unicode
, void* mod_addr
,
406 char* buffer
, size_t bufsz
, BOOL is_pcs
)
408 memory_get_string_indirect(dbg_curr_process
, name_addr
, unicode
, buffer
, bufsz
);
410 !GetModuleFileNameExA(dbg_curr_process
->handle
, mod_addr
, buffer
, bufsz
))
415 WORD (WINAPI
*gpif
)(HANDLE
, LPSTR
, DWORD
);
417 /* On Windows, when we get the process creation debug event for a process
418 * created by winedbg, the modules' list is not initialized yet. Hence,
419 * GetModuleFileNameExA (on the main module) will generate an error.
420 * Psapi (starting on XP) provides GetProcessImageFileName() which should
421 * give us the expected result
423 if (!(h
= GetModuleHandleA("psapi")) ||
424 !(gpif
= (void*)GetProcAddress(h
, "GetProcessImageFileName")) ||
425 !(gpif
)(dbg_curr_process
->handle
, buffer
, bufsz
))
426 snprintf(buffer
, bufsz
, "Process_%08lx", dbg_curr_pid
);
429 snprintf(buffer
, bufsz
, "DLL_%p", mod_addr
);
433 static unsigned dbg_handle_debug_event(DEBUG_EVENT
* de
)
436 DWORD cont
= DBG_CONTINUE
;
438 dbg_curr_pid
= de
->dwProcessId
;
439 dbg_curr_tid
= de
->dwThreadId
;
441 if ((dbg_curr_process
= dbg_get_process(de
->dwProcessId
)) != NULL
)
442 dbg_curr_thread
= dbg_get_thread(dbg_curr_process
, de
->dwThreadId
);
444 dbg_curr_thread
= NULL
;
446 switch (de
->dwDebugEventCode
)
448 case EXCEPTION_DEBUG_EVENT
:
449 if (!dbg_curr_thread
)
451 WINE_ERR("%08lx:%08lx: not a registered process or thread (perhaps a 16 bit one ?)\n",
452 de
->dwProcessId
, de
->dwThreadId
);
456 WINE_TRACE("%08lx:%08lx: exception code=%08lx\n",
457 de
->dwProcessId
, de
->dwThreadId
,
458 de
->u
.Exception
.ExceptionRecord
.ExceptionCode
);
460 if (dbg_curr_process
->continue_on_first_exception
)
462 dbg_curr_process
->continue_on_first_exception
= FALSE
;
463 if (!DBG_IVAR(BreakOnAttach
)) break;
465 if (dbg_fetch_context())
467 cont
= dbg_handle_exception(&de
->u
.Exception
.ExceptionRecord
,
468 de
->u
.Exception
.dwFirstChance
);
469 if (cont
&& dbg_curr_thread
)
471 SetThreadContext(dbg_curr_thread
->handle
, &dbg_context
);
476 case CREATE_PROCESS_DEBUG_EVENT
:
477 dbg_curr_process
= dbg_add_process(&be_process_active_io
, de
->dwProcessId
,
478 de
->u
.CreateProcessInfo
.hProcess
);
479 if (dbg_curr_process
== NULL
)
481 WINE_ERR("Couldn't create process\n");
484 fetch_module_name(de
->u
.CreateProcessInfo
.lpImageName
,
485 de
->u
.CreateProcessInfo
.fUnicode
,
486 de
->u
.CreateProcessInfo
.lpBaseOfImage
,
487 buffer
, sizeof(buffer
), TRUE
);
489 WINE_TRACE("%08lx:%08lx: create process '%s'/%p @%08lx (%ld<%ld>)\n",
490 de
->dwProcessId
, de
->dwThreadId
,
491 buffer
, de
->u
.CreateProcessInfo
.lpImageName
,
492 (unsigned long)(void*)de
->u
.CreateProcessInfo
.lpStartAddress
,
493 de
->u
.CreateProcessInfo
.dwDebugInfoFileOffset
,
494 de
->u
.CreateProcessInfo
.nDebugInfoSize
);
495 dbg_set_process_name(dbg_curr_process
, buffer
);
497 if (!SymInitialize(dbg_curr_process
->handle
, NULL
, FALSE
))
498 dbg_printf("Couldn't initiate DbgHelp\n");
499 if (!SymLoadModule(dbg_curr_process
->handle
, de
->u
.CreateProcessInfo
.hFile
, buffer
, NULL
,
500 (unsigned long)de
->u
.CreateProcessInfo
.lpBaseOfImage
, 0))
501 dbg_printf("couldn't load main module (%lx)\n", GetLastError());
503 WINE_TRACE("%08lx:%08lx: create thread I @%08lx\n",
504 de
->dwProcessId
, de
->dwThreadId
,
505 (unsigned long)(void*)de
->u
.CreateProcessInfo
.lpStartAddress
);
507 dbg_curr_thread
= dbg_add_thread(dbg_curr_process
,
509 de
->u
.CreateProcessInfo
.hThread
,
510 de
->u
.CreateProcessInfo
.lpThreadLocalBase
);
511 if (!dbg_curr_thread
)
513 WINE_ERR("Couldn't create thread\n");
516 dbg_init_current_process();
517 dbg_init_current_thread(de
->u
.CreateProcessInfo
.lpStartAddress
);
520 case EXIT_PROCESS_DEBUG_EVENT
:
521 WINE_TRACE("%08lx:%08lx: exit process (%ld)\n",
522 de
->dwProcessId
, de
->dwThreadId
, de
->u
.ExitProcess
.dwExitCode
);
524 if (dbg_curr_process
== NULL
)
526 WINE_ERR("Unknown process\n");
529 tgt_process_active_close_process(dbg_curr_process
, FALSE
);
530 dbg_printf("Process of pid=0x%08lx has terminated\n", de
->dwProcessId
);
533 case CREATE_THREAD_DEBUG_EVENT
:
534 WINE_TRACE("%08lx:%08lx: create thread D @%08lx\n",
535 de
->dwProcessId
, de
->dwThreadId
,
536 (unsigned long)(void*)de
->u
.CreateThread
.lpStartAddress
);
538 if (dbg_curr_process
== NULL
)
540 WINE_ERR("Unknown process\n");
543 if (dbg_get_thread(dbg_curr_process
, de
->dwThreadId
) != NULL
)
545 WINE_TRACE("Thread already listed, skipping\n");
549 dbg_curr_thread
= dbg_add_thread(dbg_curr_process
,
551 de
->u
.CreateThread
.hThread
,
552 de
->u
.CreateThread
.lpThreadLocalBase
);
553 if (!dbg_curr_thread
)
555 WINE_ERR("Couldn't create thread\n");
558 dbg_init_current_thread(de
->u
.CreateThread
.lpStartAddress
);
561 case EXIT_THREAD_DEBUG_EVENT
:
562 WINE_TRACE("%08lx:%08lx: exit thread (%ld)\n",
563 de
->dwProcessId
, de
->dwThreadId
, de
->u
.ExitThread
.dwExitCode
);
565 if (dbg_curr_thread
== NULL
)
567 WINE_ERR("Unknown thread\n");
570 /* FIXME: remove break point set on thread startup */
571 dbg_del_thread(dbg_curr_thread
);
574 case LOAD_DLL_DEBUG_EVENT
:
575 if (dbg_curr_thread
== NULL
)
577 WINE_ERR("Unknown thread\n");
580 fetch_module_name(de
->u
.LoadDll
.lpImageName
,
581 de
->u
.LoadDll
.fUnicode
,
582 de
->u
.LoadDll
.lpBaseOfDll
,
583 buffer
, sizeof(buffer
), FALSE
);
585 WINE_TRACE("%08lx:%08lx: loads DLL %s @%08lx (%ld<%ld>)\n",
586 de
->dwProcessId
, de
->dwThreadId
,
587 buffer
, (unsigned long)de
->u
.LoadDll
.lpBaseOfDll
,
588 de
->u
.LoadDll
.dwDebugInfoFileOffset
,
589 de
->u
.LoadDll
.nDebugInfoSize
);
590 SymLoadModule(dbg_curr_process
->handle
, de
->u
.LoadDll
.hFile
, buffer
, NULL
,
591 (unsigned long)de
->u
.LoadDll
.lpBaseOfDll
, 0);
592 break_set_xpoints(FALSE
);
593 break_check_delayed_bp();
594 break_set_xpoints(TRUE
);
595 if (DBG_IVAR(BreakOnDllLoad
))
597 dbg_printf("Stopping on DLL %s loading at 0x%08lx\n",
598 buffer
, (unsigned long)de
->u
.LoadDll
.lpBaseOfDll
);
599 if (dbg_fetch_context()) cont
= 0;
603 case UNLOAD_DLL_DEBUG_EVENT
:
604 WINE_TRACE("%08lx:%08lx: unload DLL @%08lx\n",
605 de
->dwProcessId
, de
->dwThreadId
,
606 (unsigned long)de
->u
.UnloadDll
.lpBaseOfDll
);
607 break_delete_xpoints_from_module((unsigned long)de
->u
.UnloadDll
.lpBaseOfDll
);
608 SymUnloadModule(dbg_curr_process
->handle
,
609 (unsigned long)de
->u
.UnloadDll
.lpBaseOfDll
);
612 case OUTPUT_DEBUG_STRING_EVENT
:
613 if (dbg_curr_thread
== NULL
)
615 WINE_ERR("Unknown thread\n");
619 memory_get_string(dbg_curr_process
,
620 de
->u
.DebugString
.lpDebugStringData
, TRUE
,
621 de
->u
.DebugString
.fUnicode
, buffer
, sizeof(buffer
));
622 WINE_TRACE("%08lx:%08lx: output debug string (%s)\n",
623 de
->dwProcessId
, de
->dwThreadId
, buffer
);
627 WINE_TRACE("%08lx:%08lx: rip error=%ld type=%ld\n",
628 de
->dwProcessId
, de
->dwThreadId
, de
->u
.RipInfo
.dwError
,
629 de
->u
.RipInfo
.dwType
);
633 WINE_TRACE("%08lx:%08lx: unknown event (%ld)\n",
634 de
->dwProcessId
, de
->dwThreadId
, de
->dwDebugEventCode
);
636 if (!cont
) return TRUE
; /* stop execution */
637 ContinueDebugEvent(de
->dwProcessId
, de
->dwThreadId
, cont
);
638 return FALSE
; /* continue execution */
641 static void dbg_resume_debuggee(DWORD cont
)
643 if (dbg_curr_thread
->in_exception
)
646 char hexbuf
[MAX_OFFSET_TO_STR_LEN
];
648 dbg_exception_epilog();
649 memory_get_current_pc(&addr
);
650 WINE_TRACE("Exiting debugger PC=%s mode=%d count=%d\n",
651 memory_offset_to_string(hexbuf
, addr
.Offset
, 0),
652 dbg_curr_thread
->exec_mode
,
653 dbg_curr_thread
->exec_count
);
656 if (!SetThreadContext(dbg_curr_thread
->handle
, &dbg_context
))
657 dbg_printf("Cannot set ctx on %lu\n", dbg_curr_tid
);
660 dbg_interactiveP
= FALSE
;
661 if (!ContinueDebugEvent(dbg_curr_pid
, dbg_curr_tid
, cont
))
662 dbg_printf("Cannot continue on %lu (%lu)\n", dbg_curr_tid
, cont
);
665 static void wait_exception(void)
669 while (dbg_curr_process
&& WaitForDebugEvent(&de
, INFINITE
))
671 if (dbg_handle_debug_event(&de
)) break;
673 dbg_interactiveP
= TRUE
;
676 void dbg_wait_next_exception(DWORD cont
, int count
, int mode
)
679 char hexbuf
[MAX_OFFSET_TO_STR_LEN
];
681 if (cont
== DBG_CONTINUE
)
683 dbg_curr_thread
->exec_count
= count
;
684 dbg_curr_thread
->exec_mode
= mode
;
686 dbg_resume_debuggee(cont
);
689 if (!dbg_curr_process
) return;
691 memory_get_current_pc(&addr
);
692 WINE_TRACE("Entering debugger PC=%s mode=%d count=%d\n",
693 memory_offset_to_string(hexbuf
, addr
.Offset
, 0),
694 dbg_curr_thread
->exec_mode
,
695 dbg_curr_thread
->exec_count
);
698 void dbg_active_wait_for_first_exception(void)
700 dbg_interactiveP
= FALSE
;
701 /* wait for first exception */
705 static unsigned dbg_start_debuggee(LPSTR cmdLine
)
707 PROCESS_INFORMATION info
;
708 STARTUPINFOA startup
;
710 memset(&startup
, 0, sizeof(startup
));
711 startup
.cb
= sizeof(startup
);
712 startup
.dwFlags
= STARTF_USESHOWWINDOW
;
713 startup
.wShowWindow
= SW_SHOWNORMAL
;
715 /* FIXME: shouldn't need the CREATE_NEW_CONSOLE, but as usual CUI:s need it
718 if (!CreateProcess(NULL
, cmdLine
, NULL
, NULL
,
720 DEBUG_PROCESS
|DEBUG_ONLY_THIS_PROCESS
|CREATE_NEW_CONSOLE
,
721 NULL
, NULL
, &startup
, &info
))
723 dbg_printf("Couldn't start process '%s'\n", cmdLine
);
726 if (!info
.dwProcessId
)
728 /* this happens when the program being run is not a Wine binary
729 * (for example, a shell wrapper around a WineLib app)
731 /* Current fix: list running processes and let the user attach
732 * to one of them (sic)
733 * FIXME: implement a real fix => grab the process (from the
734 * running processes) from its name
736 dbg_printf("Debuggee has been started (%s)\n"
737 "But WineDbg isn't attached to it. Maybe you're trying to debug a winelib wrapper ??\n"
738 "Try to attach to one of those processes:\n", cmdLine
);
739 /* FIXME: (HACK) we need some time before the wrapper executes the winelib app */
741 info_win32_processes();
744 dbg_curr_pid
= info
.dwProcessId
;
745 if (!(dbg_curr_process
= dbg_add_process(&be_process_active_io
, dbg_curr_pid
, 0))) return FALSE
;
746 dbg_curr_process
->active_debuggee
= TRUE
;
751 void dbg_run_debuggee(const char* args
)
755 WINE_FIXME("Re-running current program with %s as args is broken\n", args
);
760 if (!dbg_last_cmd_line
)
762 dbg_printf("Cannot find previously used command line.\n");
765 dbg_start_debuggee(dbg_last_cmd_line
);
766 dbg_active_wait_for_first_exception();
767 source_list_from_addr(NULL
, 0);
771 static BOOL
str2int(const char* str
, DWORD
* val
)
775 *val
= strtol(str
, &ptr
, 10);
776 return str
< ptr
&& !*ptr
;
780 /******************************************************************
783 * Tries to attach to a running process
784 * Handles the <pid> or <pid> <evt> forms
786 enum dbg_start
dbg_active_attach(int argc
, char* argv
[])
790 /* try the form <myself> pid */
791 if (argc
== 1 && str2int(argv
[0], &pid
) && pid
!= 0)
793 if (!dbg_attach_debuggee(pid
, FALSE
))
794 return start_error_init
;
796 /* try the form <myself> pid evt (Win32 JIT debugger) */
797 else if (argc
== 2 && str2int(argv
[0], &pid
) && pid
!= 0 &&
798 str2int(argv
[1], &evt
) && evt
!= 0)
800 if (!dbg_attach_debuggee(pid
, TRUE
))
802 /* don't care about result */
803 SetEvent((HANDLE
)evt
);
804 return start_error_init
;
806 if (!SetEvent((HANDLE
)evt
))
808 WINE_ERR("Invalid event handle: %lx\n", evt
);
809 return start_error_init
;
811 CloseHandle((HANDLE
)evt
);
813 else return start_error_parse
;
819 /******************************************************************
822 * Launches a debuggee (with its arguments) from argc/argv
824 enum dbg_start
dbg_active_launch(int argc
, char* argv
[])
829 if (argc
== 0) return start_error_parse
;
831 if (!(cmd_line
= HeapAlloc(GetProcessHeap(), 0, len
= 1)))
834 dbg_printf("Out of memory\n");
835 return start_error_init
;
839 for (i
= 0; i
< argc
; i
++)
841 len
+= strlen(argv
[i
]) + 1;
842 if (!(cmd_line
= HeapReAlloc(GetProcessHeap(), 0, cmd_line
, len
)))
844 strcat(cmd_line
, argv
[i
]);
845 cmd_line
[len
- 2] = ' ';
846 cmd_line
[len
- 1] = '\0';
849 if (!dbg_start_debuggee(cmd_line
))
851 HeapFree(GetProcessHeap(), 0, cmd_line
);
852 return start_error_init
;
854 HeapFree(GetProcessHeap(), 0, dbg_last_cmd_line
);
855 dbg_last_cmd_line
= cmd_line
;
859 /******************************************************************
862 * Starts (<pid> or <pid> <evt>) in automatic mode
864 enum dbg_start
dbg_active_auto(int argc
, char* argv
[])
867 enum dbg_start ds
= start_error_parse
;
869 if (!strcmp(argv
[0], "--auto"))
873 ds
= dbg_active_attach(argc
, argv
);
874 if (ds
!= start_ok
) return ds
;
875 hFile
= parser_generate_command_file("echo Modules:", "info share",
876 "echo Threads:", "info threads",
879 else if (!strcmp(argv
[0], "--minidump"))
881 const char* file
= NULL
;
882 char tmp
[8 + 1 + MAX_PATH
]; /* minidump <file> */
885 /* hard stuff now ; we can get things like:
886 * --minidump <pid> 1 arg
887 * --minidump <pid> <evt> 2 args
888 * --minidump <file> <pid> 2 args
889 * --minidump <file> <pid> <evt> 3 args
894 ds
= dbg_active_attach(argc
, argv
);
897 if ((ds
= dbg_active_attach(argc
, argv
)) != start_ok
)
900 ds
= dbg_active_attach(argc
- 1, argv
+ 1);
905 ds
= dbg_active_attach(argc
- 1, argv
+ 1);
908 return start_error_parse
;
910 if (ds
!= start_ok
) return ds
;
911 memcpy(tmp
, "minidump \"", 10);
916 GetTempPath(sizeof(path
), path
);
917 GetTempFileName(path
, "WD", 0, tmp
+ 10);
919 else strcpy(tmp
+ 10, file
);
923 /* FIXME: should generate unix name as well */
924 dbg_printf("Capturing program state in %s\n", tmp
+ 9);
926 hFile
= parser_generate_command_file(tmp
, NULL
);
928 else return start_error_parse
;
929 if (hFile
== INVALID_HANDLE_VALUE
) return start_error_parse
;
931 if (dbg_curr_process
->active_debuggee
)
932 dbg_active_wait_for_first_exception();
934 dbg_interactiveP
= TRUE
;
935 parser_handle(hFile
);
940 static BOOL
tgt_process_active_close_process(struct dbg_process
* pcs
, BOOL kill
)
942 if (pcs
== dbg_curr_process
)
944 /* remove all set breakpoints in debuggee code */
945 break_set_xpoints(FALSE
);
946 /* needed for single stepping (ugly).
947 * should this be handled inside the server ???
949 be_cpu
->single_step(&dbg_context
, FALSE
);
950 if (dbg_curr_thread
->in_exception
)
952 SetThreadContext(dbg_curr_thread
->handle
, &dbg_context
);
953 ContinueDebugEvent(dbg_curr_pid
, dbg_curr_tid
, DBG_CONTINUE
);
955 if (!kill
&& !DebugActiveProcessStop(dbg_curr_pid
)) return FALSE
;
957 SymCleanup(pcs
->handle
);
958 dbg_del_process(pcs
);
963 static struct be_process_io be_process_active_io
=
965 tgt_process_active_close_process
,