/* * Wine debugger - back-end for an active target * * 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 * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA */ #include "config.h" #include <stdlib.h> #include <stdio.h> #include <string.h> #include <stdarg.h> #include "debugger.h" #include "psapi.h" #include "resource.h" #include "winternl.h" #include "wine/debug.h" #include "wine/exception.h" #include "wine/unicode.h" WINE_DEFAULT_DEBUG_CHANNEL(winedbg); static char* dbg_last_cmd_line; static struct be_process_io be_process_active_io; static void dbg_init_current_process(void) { } static void dbg_init_current_thread(void* start) { if (start) { if (list_count(&dbg_curr_process->threads) == 1 /* first thread ? */ && DBG_IVAR(BreakAllThreadsStartup)) { ADDRESS64 addr; break_set_xpoints(FALSE); addr.Mode = AddrModeFlat; addr.Offset = (DWORD_PTR)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) { if (!(dbg_curr_process = dbg_add_process(&be_process_active_io, pid, 0))) return FALSE; if (!DebugActiveProcess(pid)) { dbg_printf("Can't attach process %04x: error %u\n", pid, GetLastError()); dbg_del_process(dbg_curr_process); return FALSE; } dbg_curr_process->continue_on_first_exception = cofe; SetEnvironmentVariableA("DBGHELP_NOLIVE", NULL); dbg_curr_process->active_debuggee = TRUE; return TRUE; } static unsigned dbg_fetch_context(void) { dbg_context.ContextFlags = CONTEXT_CONTROL | CONTEXT_INTEGER #ifdef CONTEXT_FLOATING_POINT | CONTEXT_FLOATING_POINT #endif #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; } /*********************************************************************** * dbg_exception_prolog * * Examine exception and decide if interactive mode is entered(return TRUE) * or exception is silently continued(return FALSE) * is_debug means the exception is a breakpoint or single step exception */ static unsigned dbg_exception_prolog(BOOL is_debug, const EXCEPTION_RECORD* rec) { ADDRESS64 addr; BOOL is_break; memory_get_current_pc(&addr); break_suspend_execution(); /* this will resynchronize builtin dbghelp's internal ELF module list */ SymLoadModule(dbg_curr_process->handle, 0, 0, 0, 0, 0); if (is_debug) break_adjust_pc(&addr, rec->ExceptionCode, dbg_curr_thread->first_chance, &is_break); /* * Do a quiet backtrace so that we have an idea of what the situation * is WRT the source files. */ stack_fetch_frames(&dbg_context); if (is_debug && !is_break && break_should_continue(&addr, rec->ExceptionCode)) 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 = "segmented 32 bit"; break; case AddrModeReal: name = "vm86"; break; case AddrModeFlat: name = be_cpu->pointer_size == 4 ? "32 bit" : "64 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, 0); stack_info(-1); 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_LINE64 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) && SymGetLineFromAddr64(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:%u\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) { ADDRESS64 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; const THREADNAME_INFO* pThreadName; struct dbg_thread* pThread; assert(dbg_curr_thread); WINE_TRACE("exception=%x 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 = (const THREADNAME_INFO*)(rec->ExceptionInformation); if (pThreadName->dwThreadID == -1) pThread = dbg_curr_thread; else pThread = dbg_get_thread(dbg_curr_process, pThreadName->dwThreadID); if(!pThread) { dbg_printf("Thread ID=%04x not in our list of threads -> can't rename\n", pThreadName->dwThreadID); return DBG_CONTINUE; } if (dbg_read_memory(pThreadName->szName, pThread->name, 9)) dbg_printf("Thread ID=%04x renamed using MS VC6 extension (name==\"%.9s\")\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; } dbg_curr_thread->excpt_record = *rec; dbg_curr_thread->in_exception = TRUE; dbg_curr_thread->first_chance = first_chance; if (!is_debug) info_win32_exception(); if (rec->ExceptionCode == STATUS_POSSIBLE_DEADLOCK && !DBG_IVAR(BreakOnCritSectTimeOut)) { dbg_curr_thread->in_exception = FALSE; return DBG_EXCEPTION_NOT_HANDLED; } if (dbg_exception_prolog(is_debug, rec)) { dbg_interactiveP = TRUE; return 0; } dbg_exception_epilog(); return DBG_CONTINUE; } static BOOL tgt_process_active_close_process(struct dbg_process* pcs, BOOL kill); static void fetch_module_name(void* name_addr, BOOL unicode, void* mod_addr, WCHAR* buffer, size_t bufsz, BOOL is_pcs) { static WCHAR pcspid[] = {'P','r','o','c','e','s','s','_','%','0','8','x',0}; static WCHAR dlladdr[] = {'D','L','L','_','%','0','8','l','x',0}; memory_get_string_indirect(dbg_curr_process, name_addr, unicode, buffer, bufsz); if (!buffer[0] && !GetModuleFileNameExW(dbg_curr_process->handle, mod_addr, buffer, bufsz)) { if (is_pcs) { HMODULE h; WORD (WINAPI *gpif)(HANDLE, LPWSTR, DWORD); /* On Windows, when we get the process creation debug event for a process * created by winedbg, the modules' list is not initialized yet. Hence, * GetModuleFileNameExA (on the main module) will generate an error. * Psapi (starting on XP) provides GetProcessImageFileName() which should * give us the expected result */ if (!(h = GetModuleHandleA("psapi")) || !(gpif = (void*)GetProcAddress(h, "GetProcessImageFileNameW")) || !(gpif)(dbg_curr_process->handle, buffer, bufsz)) snprintfW(buffer, bufsz, pcspid, dbg_curr_pid); } else snprintfW(buffer, bufsz, dlladdr, (unsigned long)mod_addr); } } static unsigned dbg_handle_debug_event(DEBUG_EVENT* de) { union { char bufferA[256]; WCHAR buffer[256]; } u; 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("%04x:%04x: not a registered process or thread (perhaps a 16 bit one ?)\n", de->dwProcessId, de->dwThreadId); break; } WINE_TRACE("%04x:%04x: exception code=%08x\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(&be_process_active_io, de->dwProcessId, de->u.CreateProcessInfo.hProcess); if (dbg_curr_process == NULL) { WINE_ERR("Couldn't create process\n"); break; } fetch_module_name(de->u.CreateProcessInfo.lpImageName, de->u.CreateProcessInfo.fUnicode, de->u.CreateProcessInfo.lpBaseOfImage, u.buffer, sizeof(u.buffer) / sizeof(WCHAR), TRUE); WINE_TRACE("%04x:%04x: create process '%s'/%p @%p (%u<%u>)\n", de->dwProcessId, de->dwThreadId, wine_dbgstr_w(u.buffer), de->u.CreateProcessInfo.lpImageName, de->u.CreateProcessInfo.lpStartAddress, de->u.CreateProcessInfo.dwDebugInfoFileOffset, de->u.CreateProcessInfo.nDebugInfoSize); dbg_set_process_name(dbg_curr_process, u.buffer); if (!dbg_init(dbg_curr_process->handle, u.buffer, FALSE)) dbg_printf("Couldn't initiate DbgHelp\n"); if (!dbg_load_module(dbg_curr_process->handle, de->u.CreateProcessInfo.hFile, u.buffer, (DWORD_PTR)de->u.CreateProcessInfo.lpBaseOfImage, 0)) dbg_printf("couldn't load main module (%u)\n", GetLastError()); WINE_TRACE("%04x:%04x: create thread I @%p\n", de->dwProcessId, de->dwThreadId, 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("%04x:%04x: exit process (%d)\n", de->dwProcessId, de->dwThreadId, de->u.ExitProcess.dwExitCode); if (dbg_curr_process == NULL) { WINE_ERR("Unknown process\n"); break; } tgt_process_active_close_process(dbg_curr_process, FALSE); dbg_printf("Process of pid=%04x has terminated\n", de->dwProcessId); break; case CREATE_THREAD_DEBUG_EVENT: WINE_TRACE("%04x:%04x: create thread D @%p\n", de->dwProcessId, de->dwThreadId, 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("%04x:%04x: exit thread (%d)\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; } fetch_module_name(de->u.LoadDll.lpImageName, de->u.LoadDll.fUnicode, de->u.LoadDll.lpBaseOfDll, u.buffer, sizeof(u.buffer) / sizeof(WCHAR), FALSE); WINE_TRACE("%04x:%04x: loads DLL %s @%p (%u<%u>)\n", de->dwProcessId, de->dwThreadId, wine_dbgstr_w(u.buffer), de->u.LoadDll.lpBaseOfDll, de->u.LoadDll.dwDebugInfoFileOffset, de->u.LoadDll.nDebugInfoSize); dbg_load_module(dbg_curr_process->handle, de->u.LoadDll.hFile, u.buffer, (DWORD_PTR)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 %p\n", dbg_W2A(u.buffer, -1), de->u.LoadDll.lpBaseOfDll); if (dbg_fetch_context()) cont = 0; } break; case UNLOAD_DLL_DEBUG_EVENT: WINE_TRACE("%04x:%04x: unload DLL @%p\n", de->dwProcessId, de->dwThreadId, de->u.UnloadDll.lpBaseOfDll); break_delete_xpoints_from_module((DWORD_PTR)de->u.UnloadDll.lpBaseOfDll); SymUnloadModule64(dbg_curr_process->handle, (DWORD_PTR)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, u.bufferA, sizeof(u.bufferA)); WINE_TRACE("%04x:%04x: output debug string (%s)\n", de->dwProcessId, de->dwThreadId, u.bufferA); break; case RIP_EVENT: WINE_TRACE("%04x:%04x: rip error=%u type=%u\n", de->dwProcessId, de->dwThreadId, de->u.RipInfo.dwError, de->u.RipInfo.dwType); break; default: WINE_TRACE("%04x:%04x: unknown event (%x)\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) { ADDRESS64 addr; char hexbuf[MAX_OFFSET_TO_STR_LEN]; dbg_exception_epilog(); memory_get_current_pc(&addr); WINE_TRACE("Exiting debugger PC=%s mode=%d count=%d\n", memory_offset_to_string(hexbuf, addr.Offset, 0), 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 %04lx\n", dbg_curr_tid); } } dbg_interactiveP = FALSE; if (!ContinueDebugEvent(dbg_curr_pid, dbg_curr_tid, cont)) dbg_printf("Cannot continue on %04lx (%08x)\n", dbg_curr_tid, cont); } static void wait_exception(void) { DEBUG_EVENT de; while (dbg_num_processes() && WaitForDebugEvent(&de, INFINITE)) { if (dbg_handle_debug_event(&de)) break; } dbg_interactiveP = TRUE; } void dbg_wait_next_exception(DWORD cont, int count, int mode) { ADDRESS64 addr; char hexbuf[MAX_OFFSET_TO_STR_LEN]; if (cont == DBG_CONTINUE) { dbg_curr_thread->exec_count = count; dbg_curr_thread->exec_mode = mode; } dbg_resume_debuggee(cont); wait_exception(); if (!dbg_curr_process) return; memory_get_current_pc(&addr); WINE_TRACE("Entering debugger PC=%s mode=%d count=%d\n", memory_offset_to_string(hexbuf, addr.Offset, 0), dbg_curr_thread->exec_mode, dbg_curr_thread->exec_count); } void dbg_active_wait_for_first_exception(void) { dbg_interactiveP = FALSE; /* wait for first exception */ wait_exception(); } static unsigned dbg_start_debuggee(LPSTR cmdLine) { PROCESS_INFORMATION info; STARTUPINFOA startup, current; DWORD flags; GetStartupInfoA(¤t); memset(&startup, 0, sizeof(startup)); startup.cb = sizeof(startup); startup.dwFlags = STARTF_USESHOWWINDOW; startup.wShowWindow = (current.dwFlags & STARTF_USESHOWWINDOW) ? current.wShowWindow : SW_SHOWNORMAL; /* FIXME: shouldn't need the CREATE_NEW_CONSOLE, but as usual CUI:s need it * while GUI:s don't */ flags = DEBUG_PROCESS | CREATE_NEW_CONSOLE; if (!DBG_IVAR(AlsoDebugProcChild)) flags |= DEBUG_ONLY_THIS_PROCESS; if (!CreateProcessA(NULL, cmdLine, NULL, NULL, FALSE, flags, 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(&be_process_active_io, dbg_curr_pid, 0))) return FALSE; dbg_curr_process->active_debuggee = TRUE; return TRUE; } void dbg_run_debuggee(const char* args) { if (args) { WINE_FIXME("Re-running current program with %s as args is broken\n", wine_dbgstr_a(args)); return; } else { if (!dbg_last_cmd_line) { dbg_printf("Cannot find previously used command line.\n"); return; } dbg_start_debuggee(dbg_last_cmd_line); dbg_active_wait_for_first_exception(); source_list_from_addr(NULL, 0); } } static BOOL str2int(const char* str, DWORD_PTR* val) { char* ptr; *val = strtol(str, &ptr, 10); return str < ptr && !*ptr; } /****************************************************************** * dbg_active_attach * * Tries to attach to a running process * Handles the <pid> or <pid> <evt> forms */ enum dbg_start dbg_active_attach(int argc, char* argv[]) { DWORD_PTR pid, evt; /* try the form <myself> pid */ if (argc == 1 && str2int(argv[0], &pid) && pid != 0) { if (!dbg_attach_debuggee(pid, FALSE)) return start_error_init; } /* try the form <myself> pid evt (Win32 JIT debugger) */ else if (argc == 2 && str2int(argv[0], &pid) && pid != 0 && str2int(argv[1], &evt) && evt != 0) { if (!dbg_attach_debuggee(pid, TRUE)) { /* don't care about result */ SetEvent((HANDLE)evt); return start_error_init; } if (!SetEvent((HANDLE)evt)) { WINE_ERR("Invalid event handle: %lx\n", evt); return start_error_init; } CloseHandle((HANDLE)evt); } else return start_error_parse; dbg_curr_pid = pid; return start_ok; } /****************************************************************** * dbg_active_launch * * Launches a debuggee (with its arguments) from argc/argv */ enum dbg_start dbg_active_launch(int argc, char* argv[]) { int i, len; LPSTR cmd_line; if (argc == 0) return start_error_parse; if (!(cmd_line = HeapAlloc(GetProcessHeap(), 0, len = 1))) { oom_leave: dbg_printf("Out of memory\n"); return start_error_init; } cmd_line[0] = '\0'; for (i = 0; i < argc; i++) { len += strlen(argv[i]) + 1; if (!(cmd_line = HeapReAlloc(GetProcessHeap(), 0, cmd_line, len))) goto oom_leave; strcat(cmd_line, argv[i]); cmd_line[len - 2] = ' '; cmd_line[len - 1] = '\0'; } if (!dbg_start_debuggee(cmd_line)) { HeapFree(GetProcessHeap(), 0, cmd_line); return start_error_init; } HeapFree(GetProcessHeap(), 0, dbg_last_cmd_line); dbg_last_cmd_line = cmd_line; return start_ok; } /****************************************************************** * dbg_active_auto * * Starts (<pid> or <pid> <evt>) in automatic mode */ enum dbg_start dbg_active_auto(int argc, char* argv[]) { HANDLE hFile; enum dbg_start ds = start_error_parse; DBG_IVAR(BreakOnDllLoad) = 0; /* auto mode */ argc--; argv++; ds = dbg_active_attach(argc, argv); if (ds != start_ok) { msgbox_res_id(NULL, IDS_INVALID_PARAMS, IDS_AUTO_CAPTION, MB_OK); return ds; } if (!display_crash_dialog()) { dbg_init_console(); dbg_start_interactive(INVALID_HANDLE_VALUE); return start_ok; } hFile = parser_generate_command_file("echo Modules:", "info share", "echo Threads:", "info threads", "kill", NULL); if (hFile == INVALID_HANDLE_VALUE) return start_error_parse; dbg_houtput = GetStdHandle(STD_ERROR_HANDLE); if (dbg_curr_process->active_debuggee) dbg_active_wait_for_first_exception(); dbg_interactiveP = TRUE; parser_handle(hFile); return start_ok; } /****************************************************************** * dbg_active_minidump * * Starts (<pid> or <pid> <evt>) in minidump mode */ enum dbg_start dbg_active_minidump(int argc, char* argv[]) { HANDLE hFile; enum dbg_start ds = start_error_parse; const char* file = NULL; char tmp[8 + 1 + MAX_PATH]; /* minidump <file> */ dbg_houtput = GetStdHandle(STD_ERROR_HANDLE); DBG_IVAR(BreakOnDllLoad) = 0; argc--; argv++; /* hard stuff now ; we can get things like: * --minidump <pid> 1 arg * --minidump <pid> <evt> 2 args * --minidump <file> <pid> 2 args * --minidump <file> <pid> <evt> 3 args */ switch (argc) { case 1: ds = dbg_active_attach(argc, argv); break; case 2: if ((ds = dbg_active_attach(argc, argv)) != start_ok) { file = argv[0]; ds = dbg_active_attach(argc - 1, argv + 1); } break; case 3: file = argv[0]; ds = dbg_active_attach(argc - 1, argv + 1); break; default: return start_error_parse; } if (ds != start_ok) return ds; memcpy(tmp, "minidump \"", 10); if (!file) { char path[MAX_PATH]; GetTempPathA(sizeof(path), path); GetTempFileNameA(path, "WD", 0, tmp + 10); } else strcpy(tmp + 10, file); strcat(tmp, "\""); if (!file) { /* FIXME: should generate unix name as well */ dbg_printf("Capturing program state in %s\n", tmp + 9); } hFile = parser_generate_command_file(tmp, "detach", NULL); if (hFile == INVALID_HANDLE_VALUE) return start_error_parse; if (dbg_curr_process->active_debuggee) dbg_active_wait_for_first_exception(); dbg_interactiveP = TRUE; parser_handle(hFile); return start_ok; } static BOOL tgt_process_active_close_process(struct dbg_process* pcs, BOOL kill) { if (kill) { DWORD exit_code = 0; if (pcs == dbg_curr_process && dbg_curr_thread->in_exception) exit_code = dbg_curr_thread->excpt_record.ExceptionCode; TerminateProcess(pcs->handle, exit_code); } else if (pcs == dbg_curr_process) { /* 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); if (dbg_curr_thread->in_exception) { SetThreadContext(dbg_curr_thread->handle, &dbg_context); ContinueDebugEvent(dbg_curr_pid, dbg_curr_tid, DBG_CONTINUE); } } else { if (!DebugActiveProcessStop(pcs->pid)) return FALSE; } SymCleanup(pcs->handle); dbg_del_process(pcs); return TRUE; } static BOOL tgt_process_active_read(HANDLE hProcess, const void* addr, void* buffer, SIZE_T len, SIZE_T* rlen) { return ReadProcessMemory( hProcess, addr, buffer, len, rlen ); } static BOOL tgt_process_active_write(HANDLE hProcess, void* addr, const void* buffer, SIZE_T len, SIZE_T* wlen) { return WriteProcessMemory( hProcess, addr, buffer, len, wlen ); } static BOOL tgt_process_active_get_selector(HANDLE hThread, DWORD sel, LDT_ENTRY* le) { return GetThreadSelectorEntry( hThread, sel, le ); } static struct be_process_io be_process_active_io = { tgt_process_active_close_process, tgt_process_active_read, tgt_process_active_write, tgt_process_active_get_selector };