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winedbg: Active targets 

Move all code related to an 'active' target (ie a running process)
from winedbg.c to tgt_active.c.
This commit is contained in:
Eric Pouech 2006-02-24 22:12:59 +01:00 committed by Alexandre Julliard
parent 6b95c0e4b4
commit 829e002c3f
3 changed files with 755 additions and 746 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

13
programs/winedbg/debugger.h
View File

@ -365,6 +365,15 @@ extern void symbol_info(const char* str);
extern int symbol_info_locals(void);
extern BOOL symbol_is_local(const char* name);
/* tgt_active.c */
extern void dbg_run_debuggee(const char* args);
extern void dbg_wait_next_exception(DWORD cont, int count, int mode);
/* temporary for tgt_active.c */
extern enum dbg_action_mode {none_mode = 0, winedbg_mode, automatic_mode, gdb_mode} dbg_action_mode;
extern char* dbg_last_cmd_line;
extern unsigned dbg_main_loop(HANDLE);
extern unsigned dbg_start_debuggee(LPSTR cmdLine);
/* tgt_minidump.c */
extern void minidump_write(const char*, const EXCEPTION_RECORD*);
@ -393,7 +402,6 @@ extern const struct dbg_internal_var* dbg_get_internal_var(const char*);
extern BOOL dbg_attach_debuggee(DWORD pid, BOOL cofe, BOOL wfe);
extern BOOL dbg_detach_debuggee(void);
extern BOOL dbg_interrupt_debuggee(void);
extern void dbg_run_debuggee(const char* args);
extern struct dbg_process* dbg_add_process(DWORD pid, HANDLE h);
extern void dbg_set_process_name(struct dbg_process* p, const char* name);
extern struct dbg_process* dbg_get_process(DWORD pid);
@ -401,10 +409,9 @@ extern void dbg_del_process(struct dbg_process* p);
struct dbg_thread* dbg_add_thread(struct dbg_process* p, DWORD tid, HANDLE h, void* teb);
extern struct dbg_thread* dbg_get_thread(struct dbg_process* p, DWORD tid);
extern void dbg_del_thread(struct dbg_thread* t);
extern void dbg_wait_next_exception(DWORD cont, int count, int mode);
extern BOOL dbg_get_debuggee_info(HANDLE hProcess, IMAGEHLP_MODULE* imh_mod);
/* gdbproxy.c */
/* gdbproxy.c */
extern BOOL gdb_remote(unsigned int);
static inline BOOL dbg_read_memory(const void* addr, void* buffer, size_t len)

746
programs/winedbg/tgt_active.c
View File

@ -1,7 +1,7 @@
/*
* Wine debugger - back-end for an active target
*
* Copyright 2005 Eric Pouech
* Copyright 2000-2006 Eric Pouech
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
@ -32,8 +32,752 @@
WINE_DEFAULT_DEBUG_CHANNEL(winedbg);
/*static*/ char* dbg_last_cmd_line = NULL;
/*static*/ enum dbg_action_mode dbg_action_mode;
struct be_process_io be_process_active_io =
{
ReadProcessMemory,
WriteProcessMemory,
};
static void dbg_init_current_process(void)
{
}
static void dbg_init_current_thread(void* start)
{
if (start)
{
if (dbg_curr_process->threads &&
!dbg_curr_process->threads->next && /* first thread ? */
DBG_IVAR(BreakAllThreadsStartup))
{
ADDRESS addr;
break_set_xpoints(FALSE);
addr.Mode = AddrModeFlat;
addr.Offset = (DWORD)start;
break_add_break(&addr, TRUE, TRUE);
break_set_xpoints(TRUE);
}
}
}
static unsigned dbg_handle_debug_event(DEBUG_EVENT* de);
/******************************************************************
* dbg_attach_debuggee
*
* Sets the debuggee to <pid>
* cofe instructs winedbg what to do when first exception is received
* (break=FALSE, continue=TRUE)
* wfe is set to TRUE if dbg_attach_debuggee should also proceed with all debug events
* until the first exception is received (aka: attach to an already running process)
*/
BOOL dbg_attach_debuggee(DWORD pid, BOOL cofe, BOOL wfe)
{
DEBUG_EVENT de;
if (!(dbg_curr_process = dbg_add_process(pid, 0))) return FALSE;
if (!DebugActiveProcess(pid))
{
dbg_printf("Can't attach process %lx: error %ld\n", pid, GetLastError());
dbg_del_process(dbg_curr_process);
return FALSE;
}
dbg_curr_process->continue_on_first_exception = cofe;
if (wfe) /* shall we proceed all debug events until we get an exception ? */
{
dbg_interactiveP = FALSE;
while (dbg_curr_process && WaitForDebugEvent(&de, INFINITE))
{
if (dbg_handle_debug_event(&de)) break;
}
if (dbg_curr_process) dbg_interactiveP = TRUE;
}
return TRUE;
}
BOOL dbg_detach_debuggee(void)
{
/* remove all set breakpoints in debuggee code */
break_set_xpoints(FALSE);
/* needed for single stepping (ugly).
* should this be handled inside the server ???
*/
be_cpu->single_step(&dbg_context, FALSE);
SetThreadContext(dbg_curr_thread->handle, &dbg_context);
if (dbg_curr_thread->in_exception)
ContinueDebugEvent(dbg_curr_pid, dbg_curr_tid, DBG_CONTINUE);
if (!DebugActiveProcessStop(dbg_curr_pid)) return FALSE;
dbg_del_process(dbg_curr_process);
return TRUE;
}
static unsigned dbg_fetch_context(void)
{
dbg_context.ContextFlags = CONTEXT_CONTROL
| CONTEXT_INTEGER
#ifdef CONTEXT_SEGMENTS
| CONTEXT_SEGMENTS
#endif
#ifdef CONTEXT_DEBUG_REGISTERS
| CONTEXT_DEBUG_REGISTERS
#endif
;
if (!GetThreadContext(dbg_curr_thread->handle, &dbg_context))
{
WINE_WARN("Can't get thread's context\n");
return FALSE;
}
return TRUE;
}
static unsigned dbg_exception_prolog(BOOL is_debug, const EXCEPTION_RECORD* rec)
{
ADDRESS addr;
BOOL is_break;
memory_get_current_pc(&addr);
break_suspend_execution();
dbg_curr_thread->excpt_record = *rec;
dbg_curr_thread->in_exception = TRUE;
if (!is_debug)
{
switch (addr.Mode)
{
case AddrModeFlat: dbg_printf(" in 32-bit code (0x%08lx)", addr.Offset); break;
case AddrModeReal: dbg_printf(" in vm86 code (%04x:%04lx)", addr.Segment, addr.Offset); break;
case AddrMode1616: dbg_printf(" in 16-bit code (%04x:%04lx)", addr.Segment, addr.Offset); break;
case AddrMode1632: dbg_printf(" in 32-bit code (%04x:%08lx)", addr.Segment, addr.Offset); break;
default: dbg_printf(" bad address");
}
dbg_printf(".\n");
}
/* this will resynchronize builtin dbghelp's internal ELF module list */
SymLoadModule(dbg_curr_process->handle, 0, 0, 0, 0, 0);
/*
* Do a quiet backtrace so that we have an idea of what the situation
* is WRT the source files.
*/
stack_fetch_frames();
if (is_debug &&
break_should_continue(&addr, rec->ExceptionCode, &dbg_curr_thread->exec_count, &is_break))
return FALSE;
if (addr.Mode != dbg_curr_thread->addr_mode)
{
const char* name = NULL;
switch (addr.Mode)
{
case AddrMode1616: name = "16 bit"; break;
case AddrMode1632: name = "32 bit"; break;
case AddrModeReal: name = "vm86"; break;
case AddrModeFlat: name = "32 bit"; break;
}
dbg_printf("In %s mode.\n", name);
dbg_curr_thread->addr_mode = addr.Mode;
}
display_print();
if (!is_debug)
{
/* This is a real crash, dump some info */
be_cpu->print_context(dbg_curr_thread->handle, &dbg_context);
stack_info();
be_cpu->print_segment_info(dbg_curr_thread->handle, &dbg_context);
stack_backtrace(dbg_curr_tid);
}
else
{
static char* last_name;
static char* last_file;
char buffer[sizeof(SYMBOL_INFO) + 256];
SYMBOL_INFO* si = (SYMBOL_INFO*)buffer;
void* lin = memory_to_linear_addr(&addr);
DWORD64 disp64;
IMAGEHLP_LINE il;
DWORD disp;
si->SizeOfStruct = sizeof(*si);
si->MaxNameLen = 256;
il.SizeOfStruct = sizeof(il);
if (SymFromAddr(dbg_curr_process->handle, (DWORD_PTR)lin, &disp64, si) &&
SymGetLineFromAddr(dbg_curr_process->handle, (DWORD_PTR)lin, &disp, &il))
{
if ((!last_name || strcmp(last_name, si->Name)) ||
(!last_file || strcmp(last_file, il.FileName)))
{
HeapFree(GetProcessHeap(), 0, last_name);
HeapFree(GetProcessHeap(), 0, last_file);
last_name = strcpy(HeapAlloc(GetProcessHeap(), 0, strlen(si->Name) + 1), si->Name);
last_file = strcpy(HeapAlloc(GetProcessHeap(), 0, strlen(il.FileName) + 1), il.FileName);
dbg_printf("%s () at %s:%ld\n", last_name, last_file, il.LineNumber);
}
}
}
if (!is_debug || is_break ||
dbg_curr_thread->exec_mode == dbg_exec_step_over_insn ||
dbg_curr_thread->exec_mode == dbg_exec_step_into_insn)
{
ADDRESS tmp = addr;
/* Show where we crashed */
memory_disasm_one_insn(&tmp);
}
source_list_from_addr(&addr, 0);
return TRUE;
}
static void dbg_exception_epilog(void)
{
break_restart_execution(dbg_curr_thread->exec_count);
/*
* This will have gotten absorbed into the breakpoint info
* if it was used. Otherwise it would have been ignored.
* In any case, we don't mess with it any more.
*/
if (dbg_curr_thread->exec_mode == dbg_exec_cont)
dbg_curr_thread->exec_count = 0;
dbg_curr_thread->in_exception = FALSE;
}
static DWORD dbg_handle_exception(const EXCEPTION_RECORD* rec, BOOL first_chance)
{
BOOL is_debug = FALSE;
THREADNAME_INFO* pThreadName;
struct dbg_thread* pThread;
assert(dbg_curr_thread);
WINE_TRACE("exception=%lx first_chance=%c\n",
rec->ExceptionCode, first_chance ? 'Y' : 'N');
switch (rec->ExceptionCode)
{
case EXCEPTION_BREAKPOINT:
case EXCEPTION_SINGLE_STEP:
is_debug = TRUE;
break;
case EXCEPTION_NAME_THREAD:
pThreadName = (THREADNAME_INFO*)(rec->ExceptionInformation);
if (pThreadName->dwThreadID == -1)
pThread = dbg_curr_thread;
else
pThread = dbg_get_thread(dbg_curr_process, pThreadName->dwThreadID);
if (dbg_read_memory(pThreadName->szName, pThread->name, 9))
dbg_printf("Thread ID=0x%lx renamed using MS VC6 extension (name==\"%s\")\n",
pThread->tid, pThread->name);
return DBG_CONTINUE;
}
if (first_chance && !is_debug && !DBG_IVAR(BreakOnFirstChance) &&
!(rec->ExceptionFlags & EH_STACK_INVALID))
{
/* pass exception to program except for debug exceptions */
return DBG_EXCEPTION_NOT_HANDLED;
}
if (!is_debug)
{
/* print some infos */
dbg_printf("%s: ",
first_chance ? "First chance exception" : "Unhandled exception");
switch (rec->ExceptionCode)
{
case EXCEPTION_INT_DIVIDE_BY_ZERO:
dbg_printf("divide by zero");
break;
case EXCEPTION_INT_OVERFLOW:
dbg_printf("overflow");
break;
case EXCEPTION_ARRAY_BOUNDS_EXCEEDED:
dbg_printf("array bounds");
break;
case EXCEPTION_ILLEGAL_INSTRUCTION:
dbg_printf("illegal instruction");
break;
case EXCEPTION_STACK_OVERFLOW:
dbg_printf("stack overflow");
break;
case EXCEPTION_PRIV_INSTRUCTION:
dbg_printf("privileged instruction");
break;
case EXCEPTION_ACCESS_VIOLATION:
if (rec->NumberParameters == 2)
dbg_printf("page fault on %s access to 0x%08lx",
rec->ExceptionInformation[0] ? "write" : "read",
rec->ExceptionInformation[1]);
else
dbg_printf("page fault");
break;
case EXCEPTION_DATATYPE_MISALIGNMENT:
dbg_printf("Alignment");
break;
case DBG_CONTROL_C:
dbg_printf("^C");
break;
case CONTROL_C_EXIT:
dbg_printf("^C");
break;
case STATUS_POSSIBLE_DEADLOCK:
{
ADDRESS addr;
addr.Mode = AddrModeFlat;
addr.Offset = rec->ExceptionInformation[0];
dbg_printf("wait failed on critical section ");
print_address(&addr, FALSE);
}
if (!DBG_IVAR(BreakOnCritSectTimeOut))
{
dbg_printf("\n");
return DBG_EXCEPTION_NOT_HANDLED;
}
break;
case EXCEPTION_WINE_STUB:
{
char dll[32], name[64];
memory_get_string(dbg_curr_process,
(void*)rec->ExceptionInformation[0], TRUE, FALSE,
dll, sizeof(dll));
if (HIWORD(rec->ExceptionInformation[1]))
memory_get_string(dbg_curr_process,
(void*)rec->ExceptionInformation[1], TRUE, FALSE,
name, sizeof(name));
else
sprintf( name, "%ld", rec->ExceptionInformation[1] );
dbg_printf("unimplemented function %s.%s called", dll, name);
}
break;
case EXCEPTION_WINE_ASSERTION:
dbg_printf("assertion failed");
break;
case EXCEPTION_VM86_INTx:
dbg_printf("interrupt %02lx in vm86 mode", rec->ExceptionInformation[0]);
break;
case EXCEPTION_VM86_STI:
dbg_printf("sti in vm86 mode");
break;
case EXCEPTION_VM86_PICRETURN:
dbg_printf("PIC return in vm86 mode");
break;
case EXCEPTION_FLT_DENORMAL_OPERAND:
dbg_printf("denormal float operand");
break;
case EXCEPTION_FLT_DIVIDE_BY_ZERO:
dbg_printf("divide by zero");
break;
case EXCEPTION_FLT_INEXACT_RESULT:
dbg_printf("inexact float result");
break;
case EXCEPTION_FLT_INVALID_OPERATION:
dbg_printf("invalid float operation");
break;
case EXCEPTION_FLT_OVERFLOW:
dbg_printf("floating pointer overflow");
break;
case EXCEPTION_FLT_UNDERFLOW:
dbg_printf("floating pointer underflow");
break;
case EXCEPTION_FLT_STACK_CHECK:
dbg_printf("floating point stack check");
break;
default:
dbg_printf("0x%08lx", rec->ExceptionCode);
break;
}
}
if( (rec->ExceptionFlags & EH_STACK_INVALID) ) {
dbg_printf( ", invalid program stack" );
}
if (dbg_action_mode == automatic_mode)
{
dbg_exception_prolog(is_debug, rec);
dbg_exception_epilog();
return 0; /* terminate execution */
}
if (dbg_exception_prolog(is_debug, rec))
{
dbg_interactiveP = TRUE;
return 0;
}
dbg_exception_epilog();
return DBG_CONTINUE;
}
static unsigned dbg_handle_debug_event(DEBUG_EVENT* de)
{
char buffer[256];
DWORD cont = DBG_CONTINUE;
dbg_curr_pid = de->dwProcessId;
dbg_curr_tid = de->dwThreadId;
if ((dbg_curr_process = dbg_get_process(de->dwProcessId)) != NULL)
dbg_curr_thread = dbg_get_thread(dbg_curr_process, de->dwThreadId);
else
dbg_curr_thread = NULL;
switch (de->dwDebugEventCode)
{
case EXCEPTION_DEBUG_EVENT:
if (!dbg_curr_thread)
{
WINE_ERR("%08lx:%08lx: not a registered process or thread (perhaps a 16 bit one ?)\n",
de->dwProcessId, de->dwThreadId);
break;
}
WINE_TRACE("%08lx:%08lx: exception code=%08lx\n",
de->dwProcessId, de->dwThreadId,
de->u.Exception.ExceptionRecord.ExceptionCode);
if (dbg_curr_process->continue_on_first_exception)
{
dbg_curr_process->continue_on_first_exception = FALSE;
if (!DBG_IVAR(BreakOnAttach)) break;
}
if (dbg_fetch_context())
{
cont = dbg_handle_exception(&de->u.Exception.ExceptionRecord,
de->u.Exception.dwFirstChance);
if (cont && dbg_curr_thread)
{
SetThreadContext(dbg_curr_thread->handle, &dbg_context);
}
}
break;
case CREATE_PROCESS_DEBUG_EVENT:
dbg_curr_process = dbg_add_process(de->dwProcessId,
de->u.CreateProcessInfo.hProcess);
if (dbg_curr_process == NULL)
{
WINE_ERR("Couldn't create process\n");
break;
}
memory_get_string_indirect(dbg_curr_process,
de->u.CreateProcessInfo.lpImageName,
de->u.CreateProcessInfo.fUnicode,
buffer, sizeof(buffer));
if (!buffer[0]) strcpy(buffer, "<Debugged Process>");
WINE_TRACE("%08lx:%08lx: create process '%s'/%p @%08lx (%ld<%ld>)\n",
de->dwProcessId, de->dwThreadId,
buffer, de->u.CreateProcessInfo.lpImageName,
(unsigned long)(void*)de->u.CreateProcessInfo.lpStartAddress,
de->u.CreateProcessInfo.dwDebugInfoFileOffset,
de->u.CreateProcessInfo.nDebugInfoSize);
dbg_set_process_name(dbg_curr_process, buffer);
if (!SymInitialize(dbg_curr_process->handle, NULL, TRUE))
dbg_printf("Couldn't initiate DbgHelp\n");
WINE_TRACE("%08lx:%08lx: create thread I @%08lx\n",
de->dwProcessId, de->dwThreadId,
(unsigned long)(void*)de->u.CreateProcessInfo.lpStartAddress);
dbg_curr_thread = dbg_add_thread(dbg_curr_process,
de->dwThreadId,
de->u.CreateProcessInfo.hThread,
de->u.CreateProcessInfo.lpThreadLocalBase);
if (!dbg_curr_thread)
{
WINE_ERR("Couldn't create thread\n");
break;
}
dbg_init_current_process();
dbg_init_current_thread(de->u.CreateProcessInfo.lpStartAddress);
break;
case EXIT_PROCESS_DEBUG_EVENT:
WINE_TRACE("%08lx:%08lx: exit process (%ld)\n",
de->dwProcessId, de->dwThreadId, de->u.ExitProcess.dwExitCode);
if (dbg_curr_process == NULL)
{
WINE_ERR("Unknown process\n");
break;
}
if (!SymCleanup(dbg_curr_process->handle))
dbg_printf("Couldn't initiate DbgHelp\n");
/* just in case */
break_set_xpoints(FALSE);
/* kill last thread */
dbg_del_thread(dbg_curr_process->threads);
dbg_del_process(dbg_curr_process);
dbg_printf("Process of pid=0x%08lx has terminated\n", dbg_curr_pid);
break;
case CREATE_THREAD_DEBUG_EVENT:
WINE_TRACE("%08lx:%08lx: create thread D @%08lx\n",
de->dwProcessId, de->dwThreadId,
(unsigned long)(void*)de->u.CreateThread.lpStartAddress);
if (dbg_curr_process == NULL)
{
WINE_ERR("Unknown process\n");
break;
}
if (dbg_get_thread(dbg_curr_process, de->dwThreadId) != NULL)
{
WINE_TRACE("Thread already listed, skipping\n");
break;
}
dbg_curr_thread = dbg_add_thread(dbg_curr_process,
de->dwThreadId,
de->u.CreateThread.hThread,
de->u.CreateThread.lpThreadLocalBase);
if (!dbg_curr_thread)
{
WINE_ERR("Couldn't create thread\n");
break;
}
dbg_init_current_thread(de->u.CreateThread.lpStartAddress);
break;
case EXIT_THREAD_DEBUG_EVENT:
WINE_TRACE("%08lx:%08lx: exit thread (%ld)\n",
de->dwProcessId, de->dwThreadId, de->u.ExitThread.dwExitCode);
if (dbg_curr_thread == NULL)
{
WINE_ERR("Unknown thread\n");
break;
}
/* FIXME: remove break point set on thread startup */
dbg_del_thread(dbg_curr_thread);
break;
case LOAD_DLL_DEBUG_EVENT:
if (dbg_curr_thread == NULL)
{
WINE_ERR("Unknown thread\n");
break;
}
memory_get_string_indirect(dbg_curr_process,
de->u.LoadDll.lpImageName,
de->u.LoadDll.fUnicode,
buffer, sizeof(buffer));
WINE_TRACE("%08lx:%08lx: loads DLL %s @%08lx (%ld<%ld>)\n",
de->dwProcessId, de->dwThreadId,
buffer, (unsigned long)de->u.LoadDll.lpBaseOfDll,
de->u.LoadDll.dwDebugInfoFileOffset,
de->u.LoadDll.nDebugInfoSize);
SymLoadModule(dbg_curr_process->handle, de->u.LoadDll.hFile, buffer, NULL,
(unsigned long)de->u.LoadDll.lpBaseOfDll, 0);
break_set_xpoints(FALSE);
break_check_delayed_bp();
break_set_xpoints(TRUE);
if (DBG_IVAR(BreakOnDllLoad))
{
dbg_printf("Stopping on DLL %s loading at 0x%08lx\n",
buffer, (unsigned long)de->u.LoadDll.lpBaseOfDll);
if (dbg_fetch_context()) cont = 0;
}
break;
case UNLOAD_DLL_DEBUG_EVENT:
WINE_TRACE("%08lx:%08lx: unload DLL @%08lx\n",
de->dwProcessId, de->dwThreadId,
(unsigned long)de->u.UnloadDll.lpBaseOfDll);
break_delete_xpoints_from_module((unsigned long)de->u.UnloadDll.lpBaseOfDll);
SymUnloadModule(dbg_curr_process->handle,
(unsigned long)de->u.UnloadDll.lpBaseOfDll);
break;
case OUTPUT_DEBUG_STRING_EVENT:
if (dbg_curr_thread == NULL)
{
WINE_ERR("Unknown thread\n");
break;
}
memory_get_string(dbg_curr_process,
de->u.DebugString.lpDebugStringData, TRUE,
de->u.DebugString.fUnicode, buffer, sizeof(buffer));
WINE_TRACE("%08lx:%08lx: output debug string (%s)\n",
de->dwProcessId, de->dwThreadId, buffer);
break;
case RIP_EVENT:
WINE_TRACE("%08lx:%08lx: rip error=%ld type=%ld\n",
de->dwProcessId, de->dwThreadId, de->u.RipInfo.dwError,
de->u.RipInfo.dwType);
break;
default:
WINE_TRACE("%08lx:%08lx: unknown event (%ld)\n",
de->dwProcessId, de->dwThreadId, de->dwDebugEventCode);
}
if (!cont) return TRUE; /* stop execution */
ContinueDebugEvent(de->dwProcessId, de->dwThreadId, cont);
return FALSE; /* continue execution */
}
static void dbg_resume_debuggee(DWORD cont)
{
if (dbg_curr_thread->in_exception)
{
ADDRESS addr;
dbg_exception_epilog();
memory_get_current_pc(&addr);
WINE_TRACE("Exiting debugger PC=0x%lx mode=%d count=%d\n",
addr.Offset, dbg_curr_thread->exec_mode,
dbg_curr_thread->exec_count);
if (dbg_curr_thread)
{
if (!SetThreadContext(dbg_curr_thread->handle, &dbg_context))
dbg_printf("Cannot set ctx on %lu\n", dbg_curr_tid);
}
}
dbg_interactiveP = FALSE;
if (!ContinueDebugEvent(dbg_curr_pid, dbg_curr_tid, cont))
dbg_printf("Cannot continue on %lu (%lu)\n", dbg_curr_tid, cont);
}
void dbg_wait_next_exception(DWORD cont, int count, int mode)
{
DEBUG_EVENT de;
ADDRESS addr;
if (cont == DBG_CONTINUE)
{
dbg_curr_thread->exec_count = count;
dbg_curr_thread->exec_mode = mode;
}
dbg_resume_debuggee(cont);
while (dbg_curr_process && WaitForDebugEvent(&de, INFINITE))
{
if (dbg_handle_debug_event(&de)) break;
}
if (!dbg_curr_process) return;
dbg_interactiveP = TRUE;
memory_get_current_pc(&addr);
WINE_TRACE("Entering debugger PC=0x%lx mode=%d count=%d\n",
addr.Offset, dbg_curr_thread->exec_mode,
dbg_curr_thread->exec_count);
}
/*static*/ unsigned dbg_main_loop(HANDLE hFile)
{
DEBUG_EVENT de;
if (dbg_curr_process)
dbg_printf("WineDbg starting on pid 0x%lx\n", dbg_curr_pid);
/* wait for first exception */
while (WaitForDebugEvent(&de, INFINITE))
{
if (dbg_handle_debug_event(&de)) break;
}
switch (dbg_action_mode)
{
case automatic_mode:
/* print some extra information */
dbg_printf("Modules:\n");
info_win32_module(0); /* print all modules */
dbg_printf("Threads:\n");
info_win32_threads();
break;
default:
dbg_interactiveP = TRUE;
parser_handle(hFile);
}
dbg_printf("WineDbg terminated on pid 0x%lx\n", dbg_curr_pid);
return 0;
}
/*static*/ unsigned dbg_start_debuggee(LPSTR cmdLine)
{
PROCESS_INFORMATION info;
STARTUPINFOA startup;
memset(&startup, 0, sizeof(startup));
startup.cb = sizeof(startup);
startup.dwFlags = STARTF_USESHOWWINDOW;
startup.wShowWindow = SW_SHOWNORMAL;
/* FIXME: shouldn't need the CREATE_NEW_CONSOLE, but as usual CUI:s need it
* while GUI:s don't
*/
if (!CreateProcess(NULL, cmdLine, NULL, NULL,
FALSE,
DEBUG_PROCESS|DEBUG_ONLY_THIS_PROCESS|CREATE_NEW_CONSOLE,
NULL, NULL, &startup, &info))
{
dbg_printf("Couldn't start process '%s'\n", cmdLine);
return FALSE;
}
if (!info.dwProcessId)
{
/* this happens when the program being run is not a Wine binary
* (for example, a shell wrapper around a WineLib app)
*/
/* Current fix: list running processes and let the user attach
* to one of them (sic)
* FIXME: implement a real fix => grab the process (from the
* running processes) from its name
*/
dbg_printf("Debuggee has been started (%s)\n"
"But WineDbg isn't attached to it. Maybe you're trying to debug a winelib wrapper ??\n"
"Try to attach to one of those processes:\n", cmdLine);
/* FIXME: (HACK) we need some time before the wrapper executes the winelib app */
Sleep(100);
info_win32_processes();
return TRUE;
}
dbg_curr_pid = info.dwProcessId;
if (!(dbg_curr_process = dbg_add_process(dbg_curr_pid, 0))) return FALSE;
return TRUE;
}
void dbg_run_debuggee(const char* args)
{
if (args)
{
WINE_FIXME("Re-running current program with %s as args is broken\n", args);
return;
}
else
{
DEBUG_EVENT de;
if (!dbg_last_cmd_line)
{
dbg_printf("Cannot find previously used command line.\n");
return;
}
dbg_start_debuggee(dbg_last_cmd_line);
while (dbg_curr_process && WaitForDebugEvent(&de, INFINITE))
{
if (dbg_handle_debug_event(&de)) break;
}
source_list_from_addr(NULL, 0);
}
}

742
programs/winedbg/winedbg.c
View File

@ -93,10 +93,8 @@ DWORD dbg_curr_tid;
DWORD dbg_curr_pid;
CONTEXT dbg_context;
BOOL dbg_interactiveP = FALSE;
static char* dbg_last_cmd_line = NULL;
static struct dbg_process* dbg_process_list = NULL;
static enum {none_mode = 0, winedbg_mode, automatic_mode, gdb_mode} dbg_action_mode;
struct dbg_internal_var dbg_internal_vars[DBG_IV_LAST];
const struct dbg_internal_var* dbg_context_vars;
@ -323,10 +321,6 @@ void dbg_del_process(struct dbg_process* p)
HeapFree(GetProcessHeap(), 0, p);
}
static void dbg_init_current_process(void)
{
}
struct mod_loader_info
{
HANDLE handle;
@ -409,25 +403,6 @@ struct dbg_thread* dbg_add_thread(struct dbg_process* p, DWORD tid,
return t;
}
static void dbg_init_current_thread(void* start)
{
if (start)
{
if (dbg_curr_process->threads &&
!dbg_curr_process->threads->next && /* first thread ? */
DBG_IVAR(BreakAllThreadsStartup))
{
ADDRESS addr;
break_set_xpoints(FALSE);
addr.Mode = AddrModeFlat;
addr.Offset = (DWORD)start;
break_add_break(&addr, TRUE, TRUE);
break_set_xpoints(TRUE);
}
}
}
void dbg_del_thread(struct dbg_thread* t)
{
HeapFree(GetProcessHeap(), 0, t->frames);
@ -438,723 +413,6 @@ void dbg_del_thread(struct dbg_thread* t)
HeapFree(GetProcessHeap(), 0, t);
}
static unsigned dbg_handle_debug_event(DEBUG_EVENT* de);
/******************************************************************
* dbg_attach_debuggee
*
* Sets the debuggee to <pid>
* cofe instructs winedbg what to do when first exception is received
* (break=FALSE, continue=TRUE)
* wfe is set to TRUE if dbg_attach_debuggee should also proceed with all debug events
* until the first exception is received (aka: attach to an already running process)
*/
BOOL dbg_attach_debuggee(DWORD pid, BOOL cofe, BOOL wfe)
{
DEBUG_EVENT de;
if (!(dbg_curr_process = dbg_add_process(pid, 0))) return FALSE;
if (!DebugActiveProcess(pid))
{
dbg_printf("Can't attach process %lx: error %ld\n", pid, GetLastError());
dbg_del_process(dbg_curr_process);
return FALSE;
}
dbg_curr_process->continue_on_first_exception = cofe;
if (wfe) /* shall we proceed all debug events until we get an exception ? */
{
dbg_interactiveP = FALSE;
while (dbg_curr_process && WaitForDebugEvent(&de, INFINITE))
{
if (dbg_handle_debug_event(&de)) break;
}
if (dbg_curr_process) dbg_interactiveP = TRUE;
}
return TRUE;
}
BOOL dbg_detach_debuggee(void)
{
/* remove all set breakpoints in debuggee code */
break_set_xpoints(FALSE);
/* needed for single stepping (ugly).
* should this be handled inside the server ???
*/
be_cpu->single_step(&dbg_context, FALSE);
SetThreadContext(dbg_curr_thread->handle, &dbg_context);
if (dbg_curr_thread->in_exception)
ContinueDebugEvent(dbg_curr_pid, dbg_curr_tid, DBG_CONTINUE);
if (!DebugActiveProcessStop(dbg_curr_pid)) return FALSE;
dbg_del_process(dbg_curr_process);
return TRUE;
}
static unsigned dbg_fetch_context(void)
{
dbg_context.ContextFlags = CONTEXT_CONTROL
| CONTEXT_INTEGER
#ifdef CONTEXT_SEGMENTS
| CONTEXT_SEGMENTS
#endif
#ifdef CONTEXT_DEBUG_REGISTERS
| CONTEXT_DEBUG_REGISTERS
#endif
;
if (!GetThreadContext(dbg_curr_thread->handle, &dbg_context))
{
WINE_WARN("Can't get thread's context\n");
return FALSE;
}
return TRUE;
}
static unsigned dbg_exception_prolog(BOOL is_debug, const EXCEPTION_RECORD* rec)
{
ADDRESS addr;
BOOL is_break;
memory_get_current_pc(&addr);
break_suspend_execution();
dbg_curr_thread->excpt_record = *rec;
dbg_curr_thread->in_exception = TRUE;
if (!is_debug)
{
switch (addr.Mode)
{
case AddrModeFlat: dbg_printf(" in 32-bit code (0x%08lx)", addr.Offset); break;
case AddrModeReal: dbg_printf(" in vm86 code (%04x:%04lx)", addr.Segment, addr.Offset); break;
case AddrMode1616: dbg_printf(" in 16-bit code (%04x:%04lx)", addr.Segment, addr.Offset); break;
case AddrMode1632: dbg_printf(" in 32-bit code (%04x:%08lx)", addr.Segment, addr.Offset); break;
default: dbg_printf(" bad address");
}
dbg_printf(".\n");
}
/* this will resynchronize builtin dbghelp's internal ELF module list */
SymLoadModule(dbg_curr_process->handle, 0, 0, 0, 0, 0);
/*
* Do a quiet backtrace so that we have an idea of what the situation
* is WRT the source files.
*/
stack_fetch_frames();
if (is_debug &&
break_should_continue(&addr, rec->ExceptionCode, &dbg_curr_thread->exec_count, &is_break))
return FALSE;
if (addr.Mode != dbg_curr_thread->addr_mode)
{
const char* name = NULL;
switch (addr.Mode)
{
case AddrMode1616: name = "16 bit"; break;
case AddrMode1632: name = "32 bit"; break;
case AddrModeReal: name = "vm86"; break;
case AddrModeFlat: name = "32 bit"; break;
}
dbg_printf("In %s mode.\n", name);
dbg_curr_thread->addr_mode = addr.Mode;
}
display_print();
if (!is_debug)
{
/* This is a real crash, dump some info */
be_cpu->print_context(dbg_curr_thread->handle, &dbg_context);
stack_info();
be_cpu->print_segment_info(dbg_curr_thread->handle, &dbg_context);
stack_backtrace(dbg_curr_tid);
}
else
{
static char* last_name;
static char* last_file;
char buffer[sizeof(SYMBOL_INFO) + 256];
SYMBOL_INFO* si = (SYMBOL_INFO*)buffer;
void* lin = memory_to_linear_addr(&addr);
DWORD64 disp64;
IMAGEHLP_LINE il;
DWORD disp;
si->SizeOfStruct = sizeof(*si);
si->MaxNameLen = 256;
il.SizeOfStruct = sizeof(il);
if (SymFromAddr(dbg_curr_process->handle, (DWORD_PTR)lin, &disp64, si) &&
SymGetLineFromAddr(dbg_curr_process->handle, (DWORD_PTR)lin, &disp, &il))
{
if ((!last_name || strcmp(last_name, si->Name)) ||
(!last_file || strcmp(last_file, il.FileName)))
{
HeapFree(GetProcessHeap(), 0, last_name);
HeapFree(GetProcessHeap(), 0, last_file);
last_name = strcpy(HeapAlloc(GetProcessHeap(), 0, strlen(si->Name) + 1), si->Name);
last_file = strcpy(HeapAlloc(GetProcessHeap(), 0, strlen(il.FileName) + 1), il.FileName);
dbg_printf("%s () at %s:%ld\n", last_name, last_file, il.LineNumber);
}
}
}
if (!is_debug || is_break ||
dbg_curr_thread->exec_mode == dbg_exec_step_over_insn ||
dbg_curr_thread->exec_mode == dbg_exec_step_into_insn)
{
ADDRESS tmp = addr;
/* Show where we crashed */
memory_disasm_one_insn(&tmp);
}
source_list_from_addr(&addr, 0);
return TRUE;
}
static void dbg_exception_epilog(void)
{
break_restart_execution(dbg_curr_thread->exec_count);
/*
* This will have gotten absorbed into the breakpoint info
* if it was used. Otherwise it would have been ignored.
* In any case, we don't mess with it any more.
*/
if (dbg_curr_thread->exec_mode == dbg_exec_cont)
dbg_curr_thread->exec_count = 0;
dbg_curr_thread->in_exception = FALSE;
}
static DWORD dbg_handle_exception(const EXCEPTION_RECORD* rec, BOOL first_chance)
{
BOOL is_debug = FALSE;
THREADNAME_INFO* pThreadName;
struct dbg_thread* pThread;
assert(dbg_curr_thread);
WINE_TRACE("exception=%lx first_chance=%c\n",
rec->ExceptionCode, first_chance ? 'Y' : 'N');
switch (rec->ExceptionCode)
{
case EXCEPTION_BREAKPOINT:
case EXCEPTION_SINGLE_STEP:
is_debug = TRUE;
break;
case EXCEPTION_NAME_THREAD:
pThreadName = (THREADNAME_INFO*)(rec->ExceptionInformation);
if (pThreadName->dwThreadID == -1)
pThread = dbg_curr_thread;
else
pThread = dbg_get_thread(dbg_curr_process, pThreadName->dwThreadID);
if (dbg_read_memory(pThreadName->szName, pThread->name, 9))
dbg_printf("Thread ID=0x%lx renamed using MS VC6 extension (name==\"%s\")\n",
pThread->tid, pThread->name);
return DBG_CONTINUE;
}
if (first_chance && !is_debug && !DBG_IVAR(BreakOnFirstChance) &&
!(rec->ExceptionFlags & EH_STACK_INVALID))
{
/* pass exception to program except for debug exceptions */
return DBG_EXCEPTION_NOT_HANDLED;
}
if (!is_debug)
{
/* print some infos */
dbg_printf("%s: ",
first_chance ? "First chance exception" : "Unhandled exception");
switch (rec->ExceptionCode)
{
case EXCEPTION_INT_DIVIDE_BY_ZERO:
dbg_printf("divide by zero");
break;
case EXCEPTION_INT_OVERFLOW:
dbg_printf("overflow");
break;
case EXCEPTION_ARRAY_BOUNDS_EXCEEDED:
dbg_printf("array bounds");
break;
case EXCEPTION_ILLEGAL_INSTRUCTION:
dbg_printf("illegal instruction");
break;
case EXCEPTION_STACK_OVERFLOW:
dbg_printf("stack overflow");
break;
case EXCEPTION_PRIV_INSTRUCTION:
dbg_printf("privileged instruction");
break;
case EXCEPTION_ACCESS_VIOLATION:
if (rec->NumberParameters == 2)
dbg_printf("page fault on %s access to 0x%08lx",
rec->ExceptionInformation[0] ? "write" : "read",
rec->ExceptionInformation[1]);
else
dbg_printf("page fault");
break;
case EXCEPTION_DATATYPE_MISALIGNMENT:
dbg_printf("Alignment");
break;
case DBG_CONTROL_C:
dbg_printf("^C");
break;
case CONTROL_C_EXIT:
dbg_printf("^C");
break;
case STATUS_POSSIBLE_DEADLOCK:
{
ADDRESS addr;
addr.Mode = AddrModeFlat;
addr.Offset = rec->ExceptionInformation[0];
dbg_printf("wait failed on critical section ");
print_address(&addr, FALSE);
}
if (!DBG_IVAR(BreakOnCritSectTimeOut))
{
dbg_printf("\n");
return DBG_EXCEPTION_NOT_HANDLED;
}
break;
case EXCEPTION_WINE_STUB:
{
char dll[32], name[64];
memory_get_string(dbg_curr_process,
(void*)rec->ExceptionInformation[0], TRUE, FALSE,
dll, sizeof(dll));
if (HIWORD(rec->ExceptionInformation[1]))
memory_get_string(dbg_curr_process,
(void*)rec->ExceptionInformation[1], TRUE, FALSE,
name, sizeof(name));
else
sprintf( name, "%ld", rec->ExceptionInformation[1] );
dbg_printf("unimplemented function %s.%s called", dll, name);
}
break;
case EXCEPTION_WINE_ASSERTION:
dbg_printf("assertion failed");
break;
case EXCEPTION_VM86_INTx:
dbg_printf("interrupt %02lx in vm86 mode", rec->ExceptionInformation[0]);
break;
case EXCEPTION_VM86_STI:
dbg_printf("sti in vm86 mode");
break;
case EXCEPTION_VM86_PICRETURN:
dbg_printf("PIC return in vm86 mode");
break;
case EXCEPTION_FLT_DENORMAL_OPERAND:
dbg_printf("denormal float operand");
break;
case EXCEPTION_FLT_DIVIDE_BY_ZERO:
dbg_printf("divide by zero");
break;
case EXCEPTION_FLT_INEXACT_RESULT:
dbg_printf("inexact float result");
break;
case EXCEPTION_FLT_INVALID_OPERATION:
dbg_printf("invalid float operation");
break;
case EXCEPTION_FLT_OVERFLOW:
dbg_printf("floating pointer overflow");
break;
case EXCEPTION_FLT_UNDERFLOW:
dbg_printf("floating pointer underflow");
break;
case EXCEPTION_FLT_STACK_CHECK:
dbg_printf("floating point stack check");
break;
default:
dbg_printf("0x%08lx", rec->ExceptionCode);
break;
}
}
if( (rec->ExceptionFlags & EH_STACK_INVALID) ) {
dbg_printf( ", invalid program stack" );
}
if (dbg_action_mode == automatic_mode)
{
dbg_exception_prolog(is_debug, rec);
dbg_exception_epilog();
return 0; /* terminate execution */
}
if (dbg_exception_prolog(is_debug, rec))
{
dbg_interactiveP = TRUE;
return 0;
}
dbg_exception_epilog();
return DBG_CONTINUE;
}
static unsigned dbg_handle_debug_event(DEBUG_EVENT* de)
{
char buffer[256];
DWORD cont = DBG_CONTINUE;
dbg_curr_pid = de->dwProcessId;
dbg_curr_tid = de->dwThreadId;
if ((dbg_curr_process = dbg_get_process(de->dwProcessId)) != NULL)
dbg_curr_thread = dbg_get_thread(dbg_curr_process, de->dwThreadId);
else
dbg_curr_thread = NULL;
switch (de->dwDebugEventCode)
{
case EXCEPTION_DEBUG_EVENT:
if (!dbg_curr_thread)
{
WINE_ERR("%08lx:%08lx: not a registered process or thread (perhaps a 16 bit one ?)\n",
de->dwProcessId, de->dwThreadId);
break;
}
WINE_TRACE("%08lx:%08lx: exception code=%08lx\n",
de->dwProcessId, de->dwThreadId,
de->u.Exception.ExceptionRecord.ExceptionCode);
if (dbg_curr_process->continue_on_first_exception)
{
dbg_curr_process->continue_on_first_exception = FALSE;
if (!DBG_IVAR(BreakOnAttach)) break;
}
if (dbg_fetch_context())
{
cont = dbg_handle_exception(&de->u.Exception.ExceptionRecord,
de->u.Exception.dwFirstChance);
if (cont && dbg_curr_thread)
{
SetThreadContext(dbg_curr_thread->handle, &dbg_context);
}
}
break;
case CREATE_PROCESS_DEBUG_EVENT:
dbg_curr_process = dbg_add_process(de->dwProcessId,
de->u.CreateProcessInfo.hProcess);
if (dbg_curr_process == NULL)
{
WINE_ERR("Couldn't create process\n");
break;
}
memory_get_string_indirect(dbg_curr_process,
de->u.CreateProcessInfo.lpImageName,
de->u.CreateProcessInfo.fUnicode,
buffer, sizeof(buffer));
if (!buffer[0]) strcpy(buffer, "<Debugged Process>");
WINE_TRACE("%08lx:%08lx: create process '%s'/%p @%08lx (%ld<%ld>)\n",
de->dwProcessId, de->dwThreadId,
buffer, de->u.CreateProcessInfo.lpImageName,
(unsigned long)(void*)de->u.CreateProcessInfo.lpStartAddress,
de->u.CreateProcessInfo.dwDebugInfoFileOffset,
de->u.CreateProcessInfo.nDebugInfoSize);
dbg_set_process_name(dbg_curr_process, buffer);
if (!SymInitialize(dbg_curr_process->handle, NULL, TRUE))
dbg_printf("Couldn't initiate DbgHelp\n");
WINE_TRACE("%08lx:%08lx: create thread I @%08lx\n",
de->dwProcessId, de->dwThreadId,
(unsigned long)(void*)de->u.CreateProcessInfo.lpStartAddress);
dbg_curr_thread = dbg_add_thread(dbg_curr_process,
de->dwThreadId,
de->u.CreateProcessInfo.hThread,
de->u.CreateProcessInfo.lpThreadLocalBase);
if (!dbg_curr_thread)
{
WINE_ERR("Couldn't create thread\n");
break;
}
dbg_init_current_process();
dbg_init_current_thread(de->u.CreateProcessInfo.lpStartAddress);
break;
case EXIT_PROCESS_DEBUG_EVENT:
WINE_TRACE("%08lx:%08lx: exit process (%ld)\n",
de->dwProcessId, de->dwThreadId, de->u.ExitProcess.dwExitCode);
if (dbg_curr_process == NULL)
{
WINE_ERR("Unknown process\n");
break;
}
if (!SymCleanup(dbg_curr_process->handle))
dbg_printf("Couldn't initiate DbgHelp\n");
/* just in case */
break_set_xpoints(FALSE);
/* kill last thread */
dbg_del_thread(dbg_curr_process->threads);
dbg_del_process(dbg_curr_process);
dbg_printf("Process of pid=0x%08lx has terminated\n", dbg_curr_pid);
break;
case CREATE_THREAD_DEBUG_EVENT:
WINE_TRACE("%08lx:%08lx: create thread D @%08lx\n",
de->dwProcessId, de->dwThreadId,
(unsigned long)(void*)de->u.CreateThread.lpStartAddress);
if (dbg_curr_process == NULL)
{
WINE_ERR("Unknown process\n");
break;
}
if (dbg_get_thread(dbg_curr_process, de->dwThreadId) != NULL)
{
WINE_TRACE("Thread already listed, skipping\n");
break;
}
dbg_curr_thread = dbg_add_thread(dbg_curr_process,
de->dwThreadId,
de->u.CreateThread.hThread,
de->u.CreateThread.lpThreadLocalBase);
if (!dbg_curr_thread)
{
WINE_ERR("Couldn't create thread\n");
break;
}
dbg_init_current_thread(de->u.CreateThread.lpStartAddress);
break;
case EXIT_THREAD_DEBUG_EVENT:
WINE_TRACE("%08lx:%08lx: exit thread (%ld)\n",
de->dwProcessId, de->dwThreadId, de->u.ExitThread.dwExitCode);
if (dbg_curr_thread == NULL)
{
WINE_ERR("Unknown thread\n");
break;
}
/* FIXME: remove break point set on thread startup */
dbg_del_thread(dbg_curr_thread);
break;
case LOAD_DLL_DEBUG_EVENT:
if (dbg_curr_thread == NULL)
{
WINE_ERR("Unknown thread\n");
break;
}
memory_get_string_indirect(dbg_curr_process,
de->u.LoadDll.lpImageName,
de->u.LoadDll.fUnicode,
buffer, sizeof(buffer));
WINE_TRACE("%08lx:%08lx: loads DLL %s @%08lx (%ld<%ld>)\n",
de->dwProcessId, de->dwThreadId,
buffer, (unsigned long)de->u.LoadDll.lpBaseOfDll,
de->u.LoadDll.dwDebugInfoFileOffset,
de->u.LoadDll.nDebugInfoSize);
SymLoadModule(dbg_curr_process->handle, de->u.LoadDll.hFile, buffer, NULL,
(unsigned long)de->u.LoadDll.lpBaseOfDll, 0);
break_set_xpoints(FALSE);
break_check_delayed_bp();
break_set_xpoints(TRUE);
if (DBG_IVAR(BreakOnDllLoad))
{
dbg_printf("Stopping on DLL %s loading at 0x%08lx\n",
buffer, (unsigned long)de->u.LoadDll.lpBaseOfDll);
if (dbg_fetch_context()) cont = 0;
}
break;
case UNLOAD_DLL_DEBUG_EVENT:
WINE_TRACE("%08lx:%08lx: unload DLL @%08lx\n",
de->dwProcessId, de->dwThreadId,
(unsigned long)de->u.UnloadDll.lpBaseOfDll);
break_delete_xpoints_from_module((unsigned long)de->u.UnloadDll.lpBaseOfDll);
SymUnloadModule(dbg_curr_process->handle,
(unsigned long)de->u.UnloadDll.lpBaseOfDll);
break;
case OUTPUT_DEBUG_STRING_EVENT:
if (dbg_curr_thread == NULL)
{
WINE_ERR("Unknown thread\n");
break;
}
memory_get_string(dbg_curr_process,
de->u.DebugString.lpDebugStringData, TRUE,
de->u.DebugString.fUnicode, buffer, sizeof(buffer));
WINE_TRACE("%08lx:%08lx: output debug string (%s)\n",
de->dwProcessId, de->dwThreadId, buffer);
break;
case RIP_EVENT:
WINE_TRACE("%08lx:%08lx: rip error=%ld type=%ld\n",
de->dwProcessId, de->dwThreadId, de->u.RipInfo.dwError,
de->u.RipInfo.dwType);
break;
default:
WINE_TRACE("%08lx:%08lx: unknown event (%ld)\n",
de->dwProcessId, de->dwThreadId, de->dwDebugEventCode);
}
if (!cont) return TRUE; /* stop execution */
ContinueDebugEvent(de->dwProcessId, de->dwThreadId, cont);
return FALSE; /* continue execution */
}
static void dbg_resume_debuggee(DWORD cont)
{
if (dbg_curr_thread->in_exception)
{
ADDRESS addr;
dbg_exception_epilog();
memory_get_current_pc(&addr);
WINE_TRACE("Exiting debugger PC=0x%lx mode=%d count=%d\n",
addr.Offset, dbg_curr_thread->exec_mode,
dbg_curr_thread->exec_count);
if (dbg_curr_thread)
{
if (!SetThreadContext(dbg_curr_thread->handle, &dbg_context))
dbg_printf("Cannot set ctx on %lu\n", dbg_curr_tid);
}
}
dbg_interactiveP = FALSE;
if (!ContinueDebugEvent(dbg_curr_pid, dbg_curr_tid, cont))
dbg_printf("Cannot continue on %lu (%lu)\n", dbg_curr_tid, cont);
}
void dbg_wait_next_exception(DWORD cont, int count, int mode)
{
DEBUG_EVENT de;
ADDRESS addr;
if (cont == DBG_CONTINUE)
{
dbg_curr_thread->exec_count = count;
dbg_curr_thread->exec_mode = mode;
}
dbg_resume_debuggee(cont);
while (dbg_curr_process && WaitForDebugEvent(&de, INFINITE))
{
if (dbg_handle_debug_event(&de)) break;
}
if (!dbg_curr_process) return;
dbg_interactiveP = TRUE;
memory_get_current_pc(&addr);
WINE_TRACE("Entering debugger PC=0x%lx mode=%d count=%d\n",
addr.Offset, dbg_curr_thread->exec_mode,
dbg_curr_thread->exec_count);
}
static unsigned dbg_main_loop(HANDLE hFile)
{
DEBUG_EVENT de;
if (dbg_curr_process)
dbg_printf("WineDbg starting on pid 0x%lx\n", dbg_curr_pid);
/* wait for first exception */
while (WaitForDebugEvent(&de, INFINITE))
{
if (dbg_handle_debug_event(&de)) break;
}
switch (dbg_action_mode)
{
case automatic_mode:
/* print some extra information */
dbg_printf("Modules:\n");
info_win32_module(0); /* print all modules */
dbg_printf("Threads:\n");
info_win32_threads();
break;
default:
dbg_interactiveP = TRUE;
parser_handle(hFile);
}
dbg_printf("WineDbg terminated on pid 0x%lx\n", dbg_curr_pid);
return 0;
}
static unsigned dbg_start_debuggee(LPSTR cmdLine)
{
PROCESS_INFORMATION info;
STARTUPINFOA startup;
memset(&startup, 0, sizeof(startup));
startup.cb = sizeof(startup);
startup.dwFlags = STARTF_USESHOWWINDOW;
startup.wShowWindow = SW_SHOWNORMAL;
/* FIXME: shouldn't need the CREATE_NEW_CONSOLE, but as usual CUI:s need it
* while GUI:s don't
*/
if (!CreateProcess(NULL, cmdLine, NULL, NULL,
FALSE,
DEBUG_PROCESS|DEBUG_ONLY_THIS_PROCESS|CREATE_NEW_CONSOLE,
NULL, NULL, &startup, &info))
{
dbg_printf("Couldn't start process '%s'\n", cmdLine);
return FALSE;
}
if (!info.dwProcessId)
{
/* this happens when the program being run is not a Wine binary
* (for example, a shell wrapper around a WineLib app)
*/
/* Current fix: list running processes and let the user attach
* to one of them (sic)
* FIXME: implement a real fix => grab the process (from the
* running processes) from its name
*/
dbg_printf("Debuggee has been started (%s)\n"
"But WineDbg isn't attached to it. Maybe you're trying to debug a winelib wrapper ??\n"
"Try to attach to one of those processes:\n", cmdLine);
/* FIXME: (HACK) we need some time before the wrapper executes the winelib app */
Sleep(100);
info_win32_processes();
return TRUE;
}
dbg_curr_pid = info.dwProcessId;
if (!(dbg_curr_process = dbg_add_process(dbg_curr_pid, 0))) return FALSE;
return TRUE;
}
void dbg_run_debuggee(const char* args)
{
if (args)
{
WINE_FIXME("Re-running current program with %s as args is broken\n", args);
return;
}
else
{
DEBUG_EVENT de;
if (!dbg_last_cmd_line)
{
dbg_printf("Cannot find previously used command line.\n");
return;
}
dbg_start_debuggee(dbg_last_cmd_line);
while (dbg_curr_process && WaitForDebugEvent(&de, INFINITE))
{
if (dbg_handle_debug_event(&de)) break;
}
source_list_from_addr(NULL, 0);
}
}
BOOL dbg_interrupt_debuggee(void)
{
if (!dbg_process_list) return FALSE;