| /* -*- tab-width: 8; c-basic-offset: 4 -*- */ |
| |
| /* Wine internal debugger |
| * Interface to Windows debugger API |
| * Eric Pouech (c) 2000 |
| */ |
| |
| #include <stdlib.h> |
| #include <stdarg.h> |
| #include <stdio.h> |
| #include <string.h> |
| #include "debugger.h" |
| |
| #include "thread.h" |
| #include "file.h" |
| #include "wincon.h" |
| #include "wingdi.h" |
| #include "winuser.h" |
| |
| #include "winreg.h" |
| |
| #ifdef DBG_need_heap |
| HANDLE dbg_heap = 0; |
| #endif |
| |
| DBG_PROCESS* DEBUG_CurrProcess = NULL; |
| DBG_THREAD* DEBUG_CurrThread = NULL; |
| DWORD DEBUG_CurrTid; |
| DWORD DEBUG_CurrPid; |
| CONTEXT DEBUG_context; |
| int curr_frame = 0; |
| static char* DEBUG_LastCmdLine = NULL; |
| |
| static DBG_PROCESS* DEBUG_ProcessList = NULL; |
| DBG_INTVAR DEBUG_IntVars[DBG_IV_LAST]; |
| |
| void DEBUG_Output(int chn, const char* buffer, int len) |
| { |
| if (DBG_IVAR(ConChannelMask) & chn) |
| WriteFile(GetStdHandle(STD_OUTPUT_HANDLE), buffer, len, NULL, NULL); |
| if (DBG_IVAR(StdChannelMask) & chn) |
| fwrite(buffer, len, 1, stderr); |
| } |
| |
| int DEBUG_Printf(int chn, const char* format, ...) |
| { |
| char buf[1024]; |
| va_list valist; |
| int len; |
| |
| va_start(valist, format); |
| len = vsnprintf(buf, sizeof(buf), format, valist); |
| va_end(valist); |
| |
| if (len <= -1) { |
| len = sizeof(buf) - 1; |
| buf[len] = 0; |
| buf[len - 1] = buf[len - 2] = buf[len - 3] = '.'; |
| } |
| DEBUG_Output(chn, buf, len); |
| return len; |
| } |
| |
| static BOOL DEBUG_IntVarsRW(int read) |
| { |
| HKEY hkey; |
| DWORD type = REG_DWORD; |
| DWORD val; |
| DWORD count = sizeof(val); |
| int i; |
| DBG_INTVAR* div = DEBUG_IntVars; |
| |
| if (read) { |
| /* initializes internal vars table */ |
| #define INTERNAL_VAR(_var,_val,_ref,_typ) \ |
| div->val = _val; div->name = #_var; div->pval = _ref; \ |
| div->type = _typ; div++; |
| #include "intvar.h" |
| #undef INTERNAL_VAR |
| } |
| |
| if (RegCreateKeyA(HKEY_CURRENT_USER, "Software\\Wine\\WineDbg", &hkey)) { |
| /* since the IVars are not yet setup, DEBUG_Printf doesn't work, |
| * so don't use it */ |
| fprintf(stderr, "Cannot create WineDbg key in registry\n"); |
| return FALSE; |
| } |
| |
| for (i = 0; i < DBG_IV_LAST; i++) { |
| if (read) { |
| if (!DEBUG_IntVars[i].pval) { |
| if (!RegQueryValueEx(hkey, DEBUG_IntVars[i].name, 0, |
| &type, (LPSTR)&val, &count)) |
| DEBUG_IntVars[i].val = val; |
| DEBUG_IntVars[i].pval = &DEBUG_IntVars[i].val; |
| } else { |
| *DEBUG_IntVars[i].pval = 0; |
| } |
| } else { |
| /* FIXME: type should be infered from basic type -if any- of intvar */ |
| if (DEBUG_IntVars[i].pval == &DEBUG_IntVars[i].val) |
| RegSetValueEx(hkey, DEBUG_IntVars[i].name, 0, |
| type, (LPCVOID)DEBUG_IntVars[i].pval, count); |
| } |
| } |
| RegCloseKey(hkey); |
| return TRUE; |
| } |
| |
| DBG_INTVAR* DEBUG_GetIntVar(const char* name) |
| { |
| int i; |
| |
| for (i = 0; i < DBG_IV_LAST; i++) { |
| if (!strcmp(DEBUG_IntVars[i].name, name)) |
| return &DEBUG_IntVars[i]; |
| } |
| return NULL; |
| } |
| |
| static WINE_EXCEPTION_FILTER(wine_dbg) |
| { |
| DEBUG_Printf(DBG_CHN_MESG, "\nwine_dbg: Exception (%lx) inside debugger, continuing...\n", GetExceptionCode()); |
| DEBUG_ExternalDebugger(); |
| return EXCEPTION_EXECUTE_HANDLER; |
| } |
| |
| static DBG_PROCESS* DEBUG_GetProcess(DWORD pid) |
| { |
| DBG_PROCESS* p; |
| |
| for (p = DEBUG_ProcessList; p; p = p->next) |
| if (p->pid == pid) break; |
| return p; |
| } |
| |
| static DBG_PROCESS* DEBUG_AddProcess(DWORD pid, HANDLE h) |
| { |
| DBG_PROCESS* p = DBG_alloc(sizeof(DBG_PROCESS)); |
| if (!p) |
| return NULL; |
| p->handle = h; |
| p->pid = pid; |
| p->threads = NULL; |
| p->num_threads = 0; |
| p->continue_on_first_exception = FALSE; |
| p->modules = NULL; |
| p->num_modules = 0; |
| p->next_index = 0; |
| p->dbg_hdr_addr = 0; |
| |
| p->next = DEBUG_ProcessList; |
| p->prev = NULL; |
| if (DEBUG_ProcessList) DEBUG_ProcessList->prev = p; |
| DEBUG_ProcessList = p; |
| return p; |
| } |
| |
| static void DEBUG_DelThread(DBG_THREAD* p); |
| |
| static void DEBUG_DelProcess(DBG_PROCESS* p) |
| { |
| if (p->threads != NULL) { |
| DEBUG_Printf(DBG_CHN_ERR, "Shouldn't happen\n"); |
| while (p->threads) DEBUG_DelThread(p->threads); |
| } |
| if (p->prev) p->prev->next = p->next; |
| if (p->next) p->next->prev = p->prev; |
| if (p == DEBUG_ProcessList) DEBUG_ProcessList = p->next; |
| if (p == DEBUG_CurrProcess) DEBUG_CurrProcess = NULL; |
| DBG_free(p); |
| } |
| |
| static void DEBUG_InitCurrProcess(void) |
| { |
| } |
| |
| static BOOL DEBUG_ProcessGetString(char* buffer, int size, HANDLE hp, LPSTR addr) |
| { |
| DWORD sz; |
| *(WCHAR*)buffer = 0; |
| return (addr && ReadProcessMemory(hp, addr, buffer, size, &sz)); |
| } |
| |
| static BOOL DEBUG_ProcessGetStringIndirect(char* buffer, int size, HANDLE hp, LPVOID addr) |
| { |
| LPVOID ad; |
| DWORD sz; |
| |
| if ( addr |
| && ReadProcessMemory(hp, addr, &ad, sizeof(ad), &sz) |
| && sz == sizeof(ad) |
| && ad |
| && ReadProcessMemory(hp, ad, buffer, size, &sz)) |
| return TRUE; |
| *(WCHAR*)buffer = 0; |
| return FALSE; |
| } |
| |
| static DBG_THREAD* DEBUG_GetThread(DBG_PROCESS* p, DWORD tid) |
| { |
| DBG_THREAD* t; |
| |
| for (t = p->threads; t; t = t->next) |
| if (t->tid == tid) break; |
| return t; |
| } |
| |
| static DBG_THREAD* DEBUG_AddThread(DBG_PROCESS* p, DWORD tid, |
| HANDLE h, LPVOID start, LPVOID teb) |
| { |
| DBG_THREAD* t = DBG_alloc(sizeof(DBG_THREAD)); |
| if (!t) |
| return NULL; |
| |
| t->handle = h; |
| t->tid = tid; |
| t->start = start; |
| t->teb = teb; |
| t->process = p; |
| t->wait_for_first_exception = 0; |
| t->dbg_exec_mode = EXEC_CONT; |
| t->dbg_exec_count = 0; |
| sprintf(t->name, "%08lx", tid); |
| |
| p->num_threads++; |
| t->next = p->threads; |
| t->prev = NULL; |
| if (p->threads) p->threads->prev = t; |
| p->threads = t; |
| |
| return t; |
| } |
| |
| static void DEBUG_InitCurrThread(void) |
| { |
| if (DEBUG_CurrThread->start) { |
| if (DEBUG_CurrThread->process->num_threads == 1 || |
| DBG_IVAR(BreakAllThreadsStartup)) { |
| DBG_VALUE value; |
| |
| DEBUG_SetBreakpoints(FALSE); |
| value.type = NULL; |
| value.cookie = DV_TARGET; |
| value.addr.seg = 0; |
| value.addr.off = (DWORD)DEBUG_CurrThread->start; |
| DEBUG_AddBreakpoint(&value, NULL); |
| DEBUG_SetBreakpoints(TRUE); |
| } |
| } else { |
| DEBUG_CurrThread->wait_for_first_exception = 1; |
| } |
| } |
| |
| static void DEBUG_DelThread(DBG_THREAD* t) |
| { |
| if (t->prev) t->prev->next = t->next; |
| if (t->next) t->next->prev = t->prev; |
| if (t == t->process->threads) t->process->threads = t->next; |
| t->process->num_threads--; |
| if (t == DEBUG_CurrThread) DEBUG_CurrThread = NULL; |
| DBG_free(t); |
| } |
| |
| BOOL DEBUG_Attach(DWORD pid, BOOL cofe) |
| { |
| if (!(DEBUG_CurrProcess = DEBUG_AddProcess(pid, 0))) return FALSE; |
| |
| if (!DebugActiveProcess(pid)) { |
| DEBUG_Printf(DBG_CHN_ERR, "Can't attach process %ld: %ld\n", |
| pid, GetLastError()); |
| return FALSE; |
| } |
| DEBUG_CurrProcess->continue_on_first_exception = cofe; |
| return TRUE; |
| } |
| |
| static BOOL DEBUG_ExceptionProlog(BOOL is_debug, BOOL force, DWORD code) |
| { |
| DBG_ADDR addr; |
| int newmode; |
| |
| DEBUG_GetCurrentAddress(&addr); |
| DEBUG_SuspendExecution(); |
| |
| if (!is_debug) { |
| if (!addr.seg) |
| DEBUG_Printf(DBG_CHN_MESG, " in 32-bit code (0x%08lx).\n", addr.off); |
| else |
| switch(DEBUG_GetSelectorType(addr.seg)) |
| { |
| case MODE_32: |
| DEBUG_Printf(DBG_CHN_MESG, " in 32-bit code (%04lx:%08lx).\n", addr.seg, addr.off); |
| break; |
| case MODE_16: |
| DEBUG_Printf(DBG_CHN_MESG, " in 16-bit code (%04lx:%04lx).\n", addr.seg, addr.off); |
| break; |
| case MODE_VM86: |
| DEBUG_Printf(DBG_CHN_MESG, " in vm86 code (%04lx:%04lx).\n", addr.seg, addr.off); |
| break; |
| case MODE_INVALID: |
| DEBUG_Printf(DBG_CHN_MESG, "bad CS (%lx)\n", addr.seg); |
| break; |
| } |
| } |
| |
| DEBUG_LoadEntryPoints("Loading new modules symbols:\n"); |
| |
| if (!force && is_debug && |
| DEBUG_ShouldContinue(&addr, |
| code, |
| DEBUG_CurrThread->dbg_exec_mode, |
| &DEBUG_CurrThread->dbg_exec_count)) |
| return FALSE; |
| |
| if ((newmode = DEBUG_GetSelectorType(addr.seg)) == MODE_INVALID) newmode = MODE_32; |
| if (newmode != DEBUG_CurrThread->dbg_mode) |
| { |
| static const char * const names[] = { "???", "16-bit", "32-bit", "vm86" }; |
| DEBUG_Printf(DBG_CHN_MESG,"In %s mode.\n", names[newmode] ); |
| DEBUG_CurrThread->dbg_mode = newmode; |
| } |
| |
| DEBUG_DoDisplay(); |
| |
| if (is_debug || force) { |
| /* |
| * Do a quiet backtrace so that we have an idea of what the situation |
| * is WRT the source files. |
| */ |
| DEBUG_BackTrace(FALSE); |
| } else { |
| /* This is a real crash, dump some info */ |
| DEBUG_InfoRegisters(); |
| DEBUG_InfoStack(); |
| #ifdef __i386__ |
| if (DEBUG_CurrThread->dbg_mode == MODE_16) { |
| DEBUG_InfoSegments(DEBUG_context.SegDs >> 3, 1); |
| if (DEBUG_context.SegEs != DEBUG_context.SegDs) |
| DEBUG_InfoSegments(DEBUG_context.SegEs >> 3, 1); |
| } |
| DEBUG_InfoSegments(DEBUG_context.SegFs >> 3, 1); |
| #endif |
| DEBUG_BackTrace(TRUE); |
| } |
| |
| if (!is_debug || |
| (DEBUG_CurrThread->dbg_exec_mode == EXEC_STEPI_OVER) || |
| (DEBUG_CurrThread->dbg_exec_mode == EXEC_STEPI_INSTR)) { |
| |
| struct list_id list; |
| |
| /* Show where we crashed */ |
| curr_frame = 0; |
| DEBUG_DisassembleInstruction(&addr); |
| |
| /* resets list internal arguments so we can look at source code when needed */ |
| DEBUG_FindNearestSymbol(&addr, TRUE, NULL, 0, &list); |
| if (list.sourcefile) DEBUG_List(&list, NULL, 0); |
| } |
| return TRUE; |
| } |
| |
| static DWORD DEBUG_ExceptionEpilog(void) |
| { |
| DEBUG_CurrThread->dbg_exec_mode = DEBUG_RestartExecution(DEBUG_CurrThread->dbg_exec_mode, |
| DEBUG_CurrThread->dbg_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 (DEBUG_CurrThread->dbg_exec_mode == EXEC_CONT || DEBUG_CurrThread->dbg_exec_mode == EXEC_PASS) |
| DEBUG_CurrThread->dbg_exec_count = 0; |
| |
| return (DEBUG_CurrThread->dbg_exec_mode == EXEC_PASS) ? DBG_EXCEPTION_NOT_HANDLED : DBG_CONTINUE; |
| } |
| |
| static BOOL DEBUG_HandleException(EXCEPTION_RECORD *rec, BOOL first_chance, BOOL force, LPDWORD cont) |
| { |
| BOOL is_debug = FALSE; |
| BOOL ret = TRUE; |
| THREADNAME_INFO *pThreadName; |
| DBG_THREAD *pThread; |
| |
| |
| *cont = DBG_CONTINUE; |
| |
| 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 = DEBUG_CurrThread; |
| else |
| pThread = DEBUG_GetThread(DEBUG_CurrProcess, pThreadName->dwThreadID); |
| |
| if (ReadProcessMemory(DEBUG_CurrThread->process->handle, pThreadName->szName, |
| pThread->name, 9, NULL)) |
| DEBUG_Printf (DBG_CHN_MESG, |
| "Thread ID=0x%lx renamed using MS VC6 extension (name==\"%s\")\n", |
| pThread->tid, pThread->name); |
| return TRUE; |
| } |
| |
| if (first_chance && !force && !DBG_IVAR(BreakOnFirstChance)) |
| { |
| /* pass exception to program except for debug exceptions */ |
| *cont = is_debug ? DBG_CONTINUE : DBG_EXCEPTION_NOT_HANDLED; |
| return TRUE; |
| } |
| |
| if (!is_debug) |
| { |
| /* print some infos */ |
| DEBUG_Printf(DBG_CHN_MESG, "%s: ", |
| first_chance ? "First chance exception" : "Unhandled exception"); |
| switch (rec->ExceptionCode) |
| { |
| case EXCEPTION_INT_DIVIDE_BY_ZERO: |
| DEBUG_Printf(DBG_CHN_MESG, "divide by zero"); |
| break; |
| case EXCEPTION_INT_OVERFLOW: |
| DEBUG_Printf(DBG_CHN_MESG, "overflow"); |
| break; |
| case EXCEPTION_ARRAY_BOUNDS_EXCEEDED: |
| DEBUG_Printf(DBG_CHN_MESG, "array bounds "); |
| break; |
| case EXCEPTION_ILLEGAL_INSTRUCTION: |
| DEBUG_Printf(DBG_CHN_MESG, "illegal instruction"); |
| break; |
| case EXCEPTION_STACK_OVERFLOW: |
| DEBUG_Printf(DBG_CHN_MESG, "stack overflow"); |
| break; |
| case EXCEPTION_PRIV_INSTRUCTION: |
| DEBUG_Printf(DBG_CHN_MESG, "priviledged instruction"); |
| break; |
| case EXCEPTION_ACCESS_VIOLATION: |
| if (rec->NumberParameters == 2) |
| DEBUG_Printf(DBG_CHN_MESG, "page fault on %s access to 0x%08lx", |
| rec->ExceptionInformation[0] ? "write" : "read", |
| rec->ExceptionInformation[1]); |
| else |
| DEBUG_Printf(DBG_CHN_MESG, "page fault"); |
| break; |
| case EXCEPTION_DATATYPE_MISALIGNMENT: |
| DEBUG_Printf(DBG_CHN_MESG, "Alignment"); |
| break; |
| case CONTROL_C_EXIT: |
| DEBUG_Printf(DBG_CHN_MESG, "^C"); |
| break; |
| case EXCEPTION_CRITICAL_SECTION_WAIT: |
| DEBUG_Printf(DBG_CHN_MESG, "critical section %08lx wait failed", |
| rec->ExceptionInformation[0]); |
| if (!DBG_IVAR(BreakOnCritSectTimeOut)) |
| { |
| DEBUG_Printf(DBG_CHN_MESG, "\n"); |
| return TRUE; |
| } |
| break; |
| case EXCEPTION_WINE_STUB: |
| { |
| char dll[32], name[64]; |
| DEBUG_ProcessGetString( dll, sizeof(dll), DEBUG_CurrThread->process->handle, |
| (char *)rec->ExceptionInformation[0] ); |
| DEBUG_ProcessGetString( name, sizeof(name), DEBUG_CurrThread->process->handle, |
| (char *)rec->ExceptionInformation[1] ); |
| DEBUG_Printf(DBG_CHN_MESG, "unimplemented function %s.%s called", dll, name ); |
| } |
| break; |
| case EXCEPTION_VM86_INTx: |
| DEBUG_Printf(DBG_CHN_MESG, "interrupt %02lx in vm86 mode", |
| rec->ExceptionInformation[0]); |
| break; |
| case EXCEPTION_VM86_STI: |
| DEBUG_Printf(DBG_CHN_MESG, "sti in vm86 mode"); |
| break; |
| case EXCEPTION_VM86_PICRETURN: |
| DEBUG_Printf(DBG_CHN_MESG, "PIC return in vm86 mode"); |
| break; |
| default: |
| DEBUG_Printf(DBG_CHN_MESG, "%08lx", rec->ExceptionCode); |
| break; |
| } |
| DEBUG_Printf(DBG_CHN_MESG, "\n"); |
| } |
| |
| DEBUG_Printf(DBG_CHN_TRACE, |
| "Entering debugger PC=%lx EFL=%08lx mode=%d count=%d\n", |
| #ifdef __i386__ |
| DEBUG_context.Eip, DEBUG_context.EFlags, |
| #else |
| 0L, 0L, |
| #endif |
| DEBUG_CurrThread->dbg_exec_mode, DEBUG_CurrThread->dbg_exec_count); |
| |
| if (DEBUG_ExceptionProlog(is_debug, force, rec->ExceptionCode)) { |
| while ((ret = DEBUG_Parser())) { |
| if (DEBUG_ValidateRegisters()) { |
| if (DEBUG_CurrThread->dbg_exec_mode != EXEC_PASS || first_chance) |
| break; |
| DEBUG_Printf(DBG_CHN_MESG, "Cannot pass on last chance exception. You must use cont\n"); |
| } |
| } |
| } |
| *cont = DEBUG_ExceptionEpilog(); |
| |
| DEBUG_Printf(DBG_CHN_TRACE, |
| "Exiting debugger PC=%lx EFL=%08lx mode=%d count=%d\n", |
| #ifdef __i386__ |
| DEBUG_context.Eip, DEBUG_context.EFlags, |
| #else |
| 0L, 0L, |
| #endif |
| DEBUG_CurrThread->dbg_exec_mode, DEBUG_CurrThread->dbg_exec_count); |
| |
| return ret; |
| } |
| |
| static BOOL DEBUG_HandleDebugEvent(DEBUG_EVENT* de, LPDWORD cont) |
| { |
| char buffer[256]; |
| BOOL ret; |
| |
| DEBUG_CurrPid = de->dwProcessId; |
| DEBUG_CurrTid = de->dwThreadId; |
| |
| __TRY { |
| ret = TRUE; |
| *cont = 0L; |
| |
| if ((DEBUG_CurrProcess = DEBUG_GetProcess(de->dwProcessId)) != NULL) |
| DEBUG_CurrThread = DEBUG_GetThread(DEBUG_CurrProcess, de->dwThreadId); |
| else |
| DEBUG_CurrThread = NULL; |
| |
| switch (de->dwDebugEventCode) { |
| case EXCEPTION_DEBUG_EVENT: |
| if (!DEBUG_CurrThread) { |
| DEBUG_Printf(DBG_CHN_ERR, "%08lx:%08lx: not a registered process or thread (perhaps a 16 bit one ?)\n", |
| de->dwProcessId, de->dwThreadId); |
| break; |
| } |
| |
| DEBUG_Printf(DBG_CHN_TRACE, "%08lx:%08lx: exception code=%08lx\n", |
| de->dwProcessId, de->dwThreadId, |
| de->u.Exception.ExceptionRecord.ExceptionCode); |
| |
| if (DEBUG_CurrProcess->continue_on_first_exception) { |
| DEBUG_CurrProcess->continue_on_first_exception = FALSE; |
| if (!DBG_IVAR(BreakOnAttach)) { |
| *cont = DBG_CONTINUE; |
| break; |
| } |
| } |
| |
| DEBUG_context.ContextFlags = CONTEXT_CONTROL |
| | CONTEXT_INTEGER |
| #ifdef CONTEXT_SEGMENTS |
| | CONTEXT_SEGMENTS |
| #endif |
| #ifdef CONTEXT_DEBUG_REGISTERS |
| | CONTEXT_DEBUG_REGISTERS |
| #endif |
| ; |
| |
| if (!GetThreadContext(DEBUG_CurrThread->handle, &DEBUG_context)) { |
| DEBUG_Printf(DBG_CHN_WARN, "Can't get thread's context\n"); |
| break; |
| } |
| |
| ret = DEBUG_HandleException(&de->u.Exception.ExceptionRecord, |
| de->u.Exception.dwFirstChance, |
| DEBUG_CurrThread->wait_for_first_exception, |
| cont); |
| if (DEBUG_CurrThread) { |
| DEBUG_CurrThread->wait_for_first_exception = 0; |
| SetThreadContext(DEBUG_CurrThread->handle, &DEBUG_context); |
| } |
| break; |
| |
| case CREATE_THREAD_DEBUG_EVENT: |
| DEBUG_Printf(DBG_CHN_TRACE, "%08lx:%08lx: create thread D @%08lx\n", de->dwProcessId, de->dwThreadId, |
| (unsigned long)(LPVOID)de->u.CreateThread.lpStartAddress); |
| |
| if (DEBUG_CurrProcess == NULL) { |
| DEBUG_Printf(DBG_CHN_ERR, "Unknown process\n"); |
| break; |
| } |
| if (DEBUG_GetThread(DEBUG_CurrProcess, de->dwThreadId) != NULL) { |
| DEBUG_Printf(DBG_CHN_TRACE, "Thread already listed, skipping\n"); |
| break; |
| } |
| |
| DEBUG_CurrThread = DEBUG_AddThread(DEBUG_CurrProcess, |
| de->dwThreadId, |
| de->u.CreateThread.hThread, |
| de->u.CreateThread.lpStartAddress, |
| de->u.CreateThread.lpThreadLocalBase); |
| if (!DEBUG_CurrThread) { |
| DEBUG_Printf(DBG_CHN_ERR, "Couldn't create thread\n"); |
| break; |
| } |
| DEBUG_InitCurrThread(); |
| break; |
| |
| case CREATE_PROCESS_DEBUG_EVENT: |
| DEBUG_ProcessGetStringIndirect(buffer, sizeof(buffer), |
| de->u.CreateProcessInfo.hProcess, |
| de->u.CreateProcessInfo.lpImageName); |
| |
| /* FIXME unicode ? de->u.CreateProcessInfo.fUnicode */ |
| DEBUG_Printf(DBG_CHN_TRACE, "%08lx:%08lx: create process %s @%08lx (%ld<%ld>)\n", |
| de->dwProcessId, de->dwThreadId, |
| buffer, |
| (unsigned long)(LPVOID)de->u.CreateProcessInfo.lpStartAddress, |
| de->u.CreateProcessInfo.dwDebugInfoFileOffset, |
| de->u.CreateProcessInfo.nDebugInfoSize); |
| |
| if ((DEBUG_CurrProcess = DEBUG_GetProcess(de->dwProcessId)) != NULL) { |
| if (DEBUG_CurrProcess->handle) { |
| DEBUG_Printf(DBG_CHN_ERR, "Skipping already defined process\n"); |
| break; |
| } |
| DEBUG_CurrProcess->handle = de->u.CreateProcessInfo.hProcess; |
| } else { |
| DEBUG_CurrProcess = DEBUG_AddProcess(de->dwProcessId, |
| de->u.CreateProcessInfo.hProcess); |
| if (DEBUG_CurrProcess == NULL) { |
| DEBUG_Printf(DBG_CHN_ERR, "Unknown process\n"); |
| break; |
| } |
| } |
| |
| DEBUG_Printf(DBG_CHN_TRACE, "%08lx:%08lx: create thread I @%08lx\n", |
| de->dwProcessId, de->dwThreadId, |
| (unsigned long)(LPVOID)de->u.CreateProcessInfo.lpStartAddress); |
| |
| DEBUG_CurrThread = DEBUG_AddThread(DEBUG_CurrProcess, |
| de->dwThreadId, |
| de->u.CreateProcessInfo.hThread, |
| de->u.CreateProcessInfo.lpStartAddress, |
| de->u.CreateProcessInfo.lpThreadLocalBase); |
| if (!DEBUG_CurrThread) { |
| DEBUG_Printf(DBG_CHN_ERR, "Couldn't create thread\n"); |
| break; |
| } |
| |
| DEBUG_InitCurrProcess(); |
| DEBUG_InitCurrThread(); |
| |
| DEBUG_ProcessGetStringIndirect(buffer, sizeof(buffer), |
| DEBUG_CurrThread->process->handle, |
| de->u.CreateProcessInfo.lpImageName); |
| DEBUG_LoadModule32(buffer[0] ? buffer : "<Debugged process>", |
| de->u.CreateProcessInfo.hFile, |
| (DWORD)de->u.CreateProcessInfo.lpBaseOfImage); |
| |
| if (buffer[0]) /* we got a process name */ |
| { |
| DWORD type; |
| if (!GetBinaryTypeA( buffer, &type )) |
| { |
| /* not a Windows binary, assume it's a Unix executable then */ |
| char unixname[MAX_PATH]; |
| /* HACK!! should fix DEBUG_ReadExecutableDbgInfo to accept DOS filenames */ |
| if (wine_get_unix_file_name( buffer, unixname, sizeof(unixname) )) |
| { |
| DEBUG_ReadExecutableDbgInfo( unixname ); |
| break; |
| } |
| } |
| } |
| /* if it is a Windows binary, or an invalid or missing file name, |
| * we use wine itself as the main executable */ |
| DEBUG_ReadExecutableDbgInfo( "wine" ); |
| break; |
| |
| case EXIT_THREAD_DEBUG_EVENT: |
| DEBUG_Printf(DBG_CHN_TRACE, "%08lx:%08lx: exit thread (%ld)\n", |
| de->dwProcessId, de->dwThreadId, de->u.ExitThread.dwExitCode); |
| |
| if (DEBUG_CurrThread == NULL) { |
| DEBUG_Printf(DBG_CHN_ERR, "Unknown thread\n"); |
| break; |
| } |
| /* FIXME: remove break point set on thread startup */ |
| DEBUG_DelThread(DEBUG_CurrThread); |
| break; |
| |
| case EXIT_PROCESS_DEBUG_EVENT: |
| DEBUG_Printf(DBG_CHN_TRACE, "%08lx:%08lx: exit process (%ld)\n", |
| de->dwProcessId, de->dwThreadId, de->u.ExitProcess.dwExitCode); |
| |
| if (DEBUG_CurrProcess == NULL) { |
| DEBUG_Printf(DBG_CHN_ERR, "Unknown process\n"); |
| break; |
| } |
| /* just in case */ |
| DEBUG_SetBreakpoints(FALSE); |
| /* kill last thread */ |
| DEBUG_DelThread(DEBUG_CurrProcess->threads); |
| DEBUG_DelProcess(DEBUG_CurrProcess); |
| |
| DEBUG_Printf(DBG_CHN_MESG, "Process of pid=%08lx has terminated\n", DEBUG_CurrPid); |
| break; |
| |
| case LOAD_DLL_DEBUG_EVENT: |
| if (DEBUG_CurrThread == NULL) { |
| DEBUG_Printf(DBG_CHN_ERR, "Unknown thread\n"); |
| break; |
| } |
| DEBUG_ProcessGetStringIndirect(buffer, sizeof(buffer), |
| DEBUG_CurrThread->process->handle, |
| de->u.LoadDll.lpImageName); |
| |
| /* FIXME unicode: de->u.LoadDll.fUnicode */ |
| DEBUG_Printf(DBG_CHN_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); |
| CharUpper(buffer); |
| DEBUG_LoadModule32(buffer, de->u.LoadDll.hFile, (DWORD)de->u.LoadDll.lpBaseOfDll); |
| if (DBG_IVAR(BreakOnDllLoad)) { |
| DEBUG_Printf(DBG_CHN_MESG, "Stopping on DLL %s loading at %08lx\n", |
| buffer, (unsigned long)de->u.LoadDll.lpBaseOfDll); |
| ret = DEBUG_Parser(); |
| } |
| break; |
| |
| case UNLOAD_DLL_DEBUG_EVENT: |
| DEBUG_Printf(DBG_CHN_TRACE, "%08lx:%08lx: unload DLL @%08lx\n", de->dwProcessId, de->dwThreadId, |
| (unsigned long)de->u.UnloadDll.lpBaseOfDll); |
| break; |
| |
| case OUTPUT_DEBUG_STRING_EVENT: |
| if (DEBUG_CurrThread == NULL) { |
| DEBUG_Printf(DBG_CHN_ERR, "Unknown thread\n"); |
| break; |
| } |
| |
| DEBUG_ProcessGetString(buffer, sizeof(buffer), |
| DEBUG_CurrThread->process->handle, |
| de->u.DebugString.lpDebugStringData); |
| |
| /* fixme unicode de->u.DebugString.fUnicode ? */ |
| DEBUG_Printf(DBG_CHN_TRACE, "%08lx:%08lx: output debug string (%s)\n", |
| de->dwProcessId, de->dwThreadId, buffer); |
| break; |
| |
| case RIP_EVENT: |
| DEBUG_Printf(DBG_CHN_TRACE, "%08lx:%08lx: rip error=%ld type=%ld\n", |
| de->dwProcessId, de->dwThreadId, de->u.RipInfo.dwError, |
| de->u.RipInfo.dwType); |
| break; |
| |
| default: |
| DEBUG_Printf(DBG_CHN_TRACE, "%08lx:%08lx: unknown event (%ld)\n", |
| de->dwProcessId, de->dwThreadId, de->dwDebugEventCode); |
| } |
| |
| } __EXCEPT(wine_dbg) { |
| *cont = 0; |
| ret = TRUE; |
| } |
| __ENDTRY; |
| return ret; |
| } |
| |
| static DWORD DEBUG_MainLoop(void) |
| { |
| DEBUG_EVENT de; |
| DWORD cont; |
| BOOL ret; |
| |
| DEBUG_Printf(DBG_CHN_MESG, " on pid %lx\n", DEBUG_CurrPid); |
| |
| for (ret = TRUE; ret; ) { |
| /* wait until we get at least one loaded process */ |
| while (!DEBUG_ProcessList && (ret = DEBUG_Parser())); |
| if (!ret) break; |
| |
| while (ret && DEBUG_ProcessList && WaitForDebugEvent(&de, INFINITE)) { |
| ret = DEBUG_HandleDebugEvent(&de, &cont); |
| ContinueDebugEvent(de.dwProcessId, de.dwThreadId, cont); |
| } |
| }; |
| |
| DEBUG_Printf(DBG_CHN_MESG, "WineDbg terminated on pid %lx\n", DEBUG_CurrPid); |
| |
| return 0; |
| } |
| |
| static BOOL DEBUG_Start(LPSTR cmdLine) |
| { |
| PROCESS_INFORMATION info; |
| STARTUPINFOA startup; |
| |
| memset(&startup, 0, sizeof(startup)); |
| startup.cb = sizeof(startup); |
| startup.dwFlags = STARTF_USESHOWWINDOW; |
| startup.wShowWindow = SW_SHOWNORMAL; |
| |
| if (!CreateProcess(NULL, cmdLine, NULL, NULL, |
| FALSE, DEBUG_PROCESS, NULL, NULL, &startup, &info)) { |
| DEBUG_Printf(DBG_CHN_MESG, "Couldn't start process '%s'\n", cmdLine); |
| return FALSE; |
| } |
| DEBUG_CurrPid = info.dwProcessId; |
| if (!(DEBUG_CurrProcess = DEBUG_AddProcess(DEBUG_CurrPid, 0))) return FALSE; |
| |
| return TRUE; |
| } |
| |
| void DEBUG_Run(const char* args) |
| { |
| DBG_MODULE* wmod = DEBUG_GetProcessMainModule(DEBUG_CurrProcess); |
| const char* pgm = (wmod) ? wmod->module_name : "none"; |
| |
| if (args) { |
| DEBUG_Printf(DBG_CHN_MESG, "Run (%s) with '%s'\n", pgm, args); |
| } else { |
| if (!DEBUG_LastCmdLine) { |
| DEBUG_Printf(DBG_CHN_MESG, "Cannot find previously used command line.\n"); |
| return; |
| } |
| DEBUG_Start(DEBUG_LastCmdLine); |
| } |
| } |
| |
| int DEBUG_main(int argc, char** argv) |
| { |
| DWORD retv = 0; |
| |
| #ifdef DBG_need_heap |
| /* Initialize the debugger heap. */ |
| dbg_heap = HeapCreate(HEAP_NO_SERIALIZE, 0x1000, 0x8000000); /* 128MB */ |
| #endif |
| |
| /* Initialize the type handling stuff. */ |
| DEBUG_InitTypes(); |
| DEBUG_InitCVDataTypes(); |
| |
| /* Initialize internal vars (types must be initialized before) */ |
| if (!DEBUG_IntVarsRW(TRUE)) return -1; |
| |
| /* keep it as a guiexe for now, so that Wine won't touch the Unix stdin, |
| * stdout and stderr streams |
| */ |
| if (DBG_IVAR(UseXTerm)) { |
| COORD pos; |
| |
| /* This is a hack: it forces creation of an xterm, not done by default */ |
| pos.X = 0; pos.Y = 1; |
| SetConsoleCursorPosition(GetStdHandle(STD_OUTPUT_HANDLE), pos); |
| } |
| |
| DEBUG_Printf(DBG_CHN_MESG, "WineDbg starting... "); |
| |
| if (argc == 3) { |
| HANDLE hEvent; |
| DWORD pid; |
| |
| if ((pid = atoi(argv[1])) != 0 && (hEvent = (HANDLE)atoi(argv[2])) != 0) { |
| if (!DEBUG_Attach(pid, TRUE)) { |
| DEBUG_Printf(DBG_CHN_ERR, "Can't attach process %ld: %ld\n", |
| DEBUG_CurrPid, GetLastError()); |
| /* don't care about result */ |
| SetEvent(hEvent); |
| goto leave; |
| } |
| if (!SetEvent(hEvent)) { |
| DEBUG_Printf(DBG_CHN_ERR, "Invalid event handle: %p\n", hEvent); |
| goto leave; |
| } |
| CloseHandle(hEvent); |
| DEBUG_CurrPid = pid; |
| } |
| } |
| |
| if (DEBUG_CurrPid == 0 && argc > 1) { |
| int i, len; |
| LPSTR cmdLine; |
| |
| if (!(cmdLine = DBG_alloc(len = 1))) goto oom_leave; |
| cmdLine[0] = '\0'; |
| |
| for (i = 1; i < argc; i++) { |
| len += strlen(argv[i]) + 1; |
| if (!(cmdLine = DBG_realloc(cmdLine, len))) goto oom_leave; |
| strcat(cmdLine, argv[i]); |
| cmdLine[len - 2] = ' '; |
| cmdLine[len - 1] = '\0'; |
| } |
| |
| if (!DEBUG_Start(cmdLine)) { |
| DEBUG_Printf(DBG_CHN_MESG, "Couldn't start process '%s'\n", cmdLine); |
| goto leave; |
| } |
| DBG_free(DEBUG_LastCmdLine); |
| DEBUG_LastCmdLine = cmdLine; |
| } |
| |
| retv = DEBUG_MainLoop(); |
| leave: |
| /* saves modified variables */ |
| DEBUG_IntVarsRW(FALSE); |
| |
| return retv; |
| |
| oom_leave: |
| DEBUG_Printf(DBG_CHN_MESG, "Out of memory\n"); |
| goto leave; |
| } |
