diff options
| -rw-r--r-- | gdb/windows-nat.c | 206 |
1 files changed, 117 insertions, 89 deletions
diff --git a/gdb/windows-nat.c b/gdb/windows-nat.c index 87e96bd..fa19797 100644 --- a/gdb/windows-nat.c +++ b/gdb/windows-nat.c @@ -50,6 +50,17 @@ #include <sys/param.h> #include <unistd.h> +/* The ui's event loop. */ +extern int (*ui_loop_hook) PARAMS ((int signo)); + +/* If we're not using the old Cygwin header file set, define the + following which never should have been in the generic Win32 API + headers in the first place since they were our own invention... */ +#ifndef _GNU_H_WINDOWS_H +#define FLAG_TRACE_BIT 0x100 +#define CONTEXT_DEBUGGER (CONTEXT_FULL | CONTEXT_FLOATING_POINT) +#endif + /* The string sent by cygwin when it processes a signal. FIXME: This should be in a cygwin include file. */ #define CYGWIN_SIGNAL_STRING "cygwin: signal" @@ -65,6 +76,7 @@ extern struct target_ops child_ops; static void child_stop PARAMS ((void)); static int win32_child_thread_alive PARAMS ((int)); +void child_kill_inferior PARAMS ((void)); static int last_sig = 0; /* Set if a signal was received from the debugged process */ @@ -453,7 +465,9 @@ handle_output_debug_string (struct target_waitstatus *ourstatus) { char *p; /*last_sig = */strtol(s + sizeof(CYGWIN_SIGNAL_STRING) - 1, &p, 0); - if (gotasig = (ourstatus->value.sig = target_signal_from_host (last_sig))) + gotasig = target_signal_from_host (last_sig); + ourstatus->value.sig = gotasig; + if (gotasig) ourstatus->kind = TARGET_WAITKIND_STOPPED; } @@ -530,9 +544,10 @@ child_continue (DWORD continue_status, int id) DEBUG_EVENTS (("ContinueDebugEvent (cpid=%d, ctid=%d, DBG_CONTINUE);\n", current_event.dwProcessId, current_event.dwThreadId)); - if (res = ContinueDebugEvent (current_event.dwProcessId, - current_event.dwThreadId, - continue_status)) + res = ContinueDebugEvent (current_event.dwProcessId, + current_event.dwThreadId, + continue_status); + if (res) for (th = &thread_head; (th = th->next) != NULL; ) if (((id == -1) || (id == th->id)) && th->suspend_count) { @@ -556,98 +571,111 @@ child_wait (int pid, struct target_waitstatus *ourstatus) while (1) { DWORD continue_status; - BOOL t = WaitForDebugEvent (¤t_event, INFINITE); + BOOL debug_event = WaitForDebugEvent (¤t_event, 20); char *p; thread_info *th; int sig; - event_count++; - - continue_status = DBG_CONTINUE; - - switch (current_event.dwDebugEventCode) + if (debug_event) { - case CREATE_THREAD_DEBUG_EVENT: - DEBUG_EVENTS (("gdb: kernel event for pid=%d tid=%x code=%s)\n", - current_event.dwProcessId, current_event.dwThreadId, - "CREATE_THREAD_DEBUG_EVENT")); - /* Record the existence of this thread */ - child_add_thread (current_event.dwThreadId, - current_event.u.CreateThread.hThread); - if (info_verbose) - printf_unfiltered ("[New %s]\n", - target_pid_to_str (current_event.dwThreadId)); - break; - - case EXIT_THREAD_DEBUG_EVENT: - DEBUG_EVENTS (("gdb: kernel event for pid=%d tid=%d code=%s)\n", - current_event.dwProcessId, current_event.dwThreadId, - "EXIT_THREAD_DEBUG_EVENT")); - child_delete_thread (current_event.dwThreadId); - break; - - case CREATE_PROCESS_DEBUG_EVENT: - DEBUG_EVENTS (("gdb: kernel event for pid=%d tid=%d code=%s)\n", - current_event.dwProcessId, current_event.dwThreadId, - "CREATE_PROCESS_DEBUG_EVENT")); - current_process_handle = current_event.u.CreateProcessInfo.hProcess; - - main_thread_id = inferior_pid = current_event.dwThreadId; - /* Add the main thread */ - current_thread = child_add_thread (inferior_pid, - current_event.u.CreateProcessInfo.hThread); - break; - - case EXIT_PROCESS_DEBUG_EVENT: - DEBUG_EVENTS (("gdb: kernel event for pid=%d tid=%d code=%s)\n", - current_event.dwProcessId, current_event.dwThreadId, - "EXIT_PROCESS_DEBUG_EVENT")); - ourstatus->kind = TARGET_WAITKIND_EXITED; - ourstatus->value.integer = current_event.u.ExitProcess.dwExitCode; - CloseHandle (current_process_handle); - return current_event.dwProcessId; - break; - - case LOAD_DLL_DEBUG_EVENT: - DEBUG_EVENTS (("gdb: kernel event for pid=%d tid=%d code=%s)\n", - current_event.dwProcessId, current_event.dwThreadId, - "LOAD_DLL_DEBUG_EVENT")); - catch_errors (handle_load_dll, NULL, "", RETURN_MASK_ALL); - registers_changed(); /* mark all regs invalid */ - break; - - case UNLOAD_DLL_DEBUG_EVENT: - DEBUG_EVENTS (("gdb: kernel event for pid=%d tid=%d code=%s)\n", - current_event.dwProcessId, current_event.dwThreadId, - "UNLOAD_DLL_DEBUG_EVENT")); - break; /* FIXME: don't know what to do here */ - - case EXCEPTION_DEBUG_EVENT: - DEBUG_EVENTS (("gdb: kernel event for pid=%d tid=%d code=%s)\n", - current_event.dwProcessId, current_event.dwThreadId, - "EXCEPTION_DEBUG_EVENT")); - if (handle_exception (ourstatus)) - return current_event.dwThreadId; - continue_status = DBG_EXCEPTION_NOT_HANDLED; - break; - - case OUTPUT_DEBUG_STRING_EVENT: /* message from the kernel */ - DEBUG_EVENTS (("gdb: kernel event for pid=%d tid=%d code=%s)\n", - current_event.dwProcessId, current_event.dwThreadId, - "OUTPUT_DEBUG_STRING_EVENT")); - if (handle_output_debug_string (ourstatus)) - return main_thread_id; - break; - default: - printf_unfiltered ("gdb: kernel event for pid=%d tid=%d\n", - current_event.dwProcessId, - current_event.dwThreadId); - printf_unfiltered (" unknown event code %d\n", - current_event.dwDebugEventCode); - break; + event_count++; + + continue_status = DBG_CONTINUE; + + switch (current_event.dwDebugEventCode) + { + case CREATE_THREAD_DEBUG_EVENT: + DEBUG_EVENTS (("gdb: kernel event for pid=%d tid=%x code=%s)\n", + current_event.dwProcessId, current_event.dwThreadId, + "CREATE_THREAD_DEBUG_EVENT")); + /* Record the existence of this thread */ + child_add_thread (current_event.dwThreadId, + current_event.u.CreateThread.hThread); + if (info_verbose) + printf_unfiltered ("[New %s]\n", + target_pid_to_str (current_event.dwThreadId)); + break; + + case EXIT_THREAD_DEBUG_EVENT: + DEBUG_EVENTS (("gdb: kernel event for pid=%d tid=%d code=%s)\n", + current_event.dwProcessId, current_event.dwThreadId, + "EXIT_THREAD_DEBUG_EVENT")); + child_delete_thread (current_event.dwThreadId); + break; + + case CREATE_PROCESS_DEBUG_EVENT: + DEBUG_EVENTS (("gdb: kernel event for pid=%d tid=%d code=%s)\n", + current_event.dwProcessId, current_event.dwThreadId, + "CREATE_PROCESS_DEBUG_EVENT")); + current_process_handle = current_event.u.CreateProcessInfo.hProcess; + + main_thread_id = inferior_pid = current_event.dwThreadId; + /* Add the main thread */ + current_thread = child_add_thread (inferior_pid, + current_event.u.CreateProcessInfo.hThread); + break; + + case EXIT_PROCESS_DEBUG_EVENT: + DEBUG_EVENTS (("gdb: kernel event for pid=%d tid=%d code=%s)\n", + current_event.dwProcessId, current_event.dwThreadId, + "EXIT_PROCESS_DEBUG_EVENT")); + ourstatus->kind = TARGET_WAITKIND_EXITED; + ourstatus->value.integer = current_event.u.ExitProcess.dwExitCode; + CloseHandle (current_process_handle); + return current_event.dwProcessId; + break; + + case LOAD_DLL_DEBUG_EVENT: + DEBUG_EVENTS (("gdb: kernel event for pid=%d tid=%d code=%s)\n", + current_event.dwProcessId, current_event.dwThreadId, + "LOAD_DLL_DEBUG_EVENT")); + catch_errors (handle_load_dll, NULL, "", RETURN_MASK_ALL); + registers_changed(); /* mark all regs invalid */ + break; + + case UNLOAD_DLL_DEBUG_EVENT: + DEBUG_EVENTS (("gdb: kernel event for pid=%d tid=%d code=%s)\n", + current_event.dwProcessId, current_event.dwThreadId, + "UNLOAD_DLL_DEBUG_EVENT")); + break; /* FIXME: don't know what to do here */ + + case EXCEPTION_DEBUG_EVENT: + DEBUG_EVENTS (("gdb: kernel event for pid=%d tid=%d code=%s)\n", + current_event.dwProcessId, current_event.dwThreadId, + "EXCEPTION_DEBUG_EVENT")); + if (handle_exception (ourstatus)) + return current_event.dwThreadId; + continue_status = DBG_EXCEPTION_NOT_HANDLED; + break; + + case OUTPUT_DEBUG_STRING_EVENT: /* message from the kernel */ + DEBUG_EVENTS (("gdb: kernel event for pid=%d tid=%d code=%s)\n", + current_event.dwProcessId, current_event.dwThreadId, + "OUTPUT_DEBUG_STRING_EVENT")); + if (handle_output_debug_string (ourstatus)) + return main_thread_id; + break; + default: + printf_unfiltered ("gdb: kernel event for pid=%d tid=%d\n", + current_event.dwProcessId, + current_event.dwThreadId); + printf_unfiltered (" unknown event code %d\n", + current_event.dwDebugEventCode); + break; + } + + CHECK (child_continue (continue_status, -1)); } + else + { + int detach = 0; - CHECK (child_continue (continue_status, -1)); + if (ui_loop_hook != NULL) + detach = ui_loop_hook (0); + + if (detach) + child_kill_inferior (); + } } } |