diff options
Diffstat (limited to 'gdb')
| -rw-r--r-- | gdb/windows-nat.c | 288 |
1 files changed, 146 insertions, 142 deletions
diff --git a/gdb/windows-nat.c b/gdb/windows-nat.c index fa19797..71d8efd 100644 --- a/gdb/windows-nat.c +++ b/gdb/windows-nat.c @@ -16,8 +16,9 @@ You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software - Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. -*/ + Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. + */ /* by Steve Chamberlain, sac@cygnus.com */ @@ -84,16 +85,18 @@ static int last_sig = 0; /* Set if a signal was received from the /* Thread information structure used to track information that is not available in gdb's thread structure. */ typedef struct thread_info_struct -{ - struct thread_info_struct *next; - DWORD id; - HANDLE h; - char *name; - int suspend_count; - CONTEXT context; -} thread_info; + { + struct thread_info_struct *next; + DWORD id; + HANDLE h; + char *name; + int suspend_count; + CONTEXT context; + } +thread_info; -static thread_info thread_head = {NULL}; +static thread_info thread_head = +{NULL}; /* The process and thread handles for the above context. */ @@ -101,7 +104,7 @@ static DEBUG_EVENT current_event; /* The current debug event from WaitForDebugEvent */ static HANDLE current_process_handle; /* Currently executing process */ static thread_info *current_thread; /* Info on currently selected thread */ -static DWORD main_thread_id; /* Thread ID of the main thread */ +static DWORD main_thread_id; /* Thread ID of the main thread */ /* Counts of things. */ static int exception_count = 0; @@ -110,9 +113,9 @@ static int event_count = 0; /* User options. */ static int new_console = 0; static int new_group = 0; -static int debug_exec = 0; /* show execution */ -static int debug_events = 0; /* show events from kernel */ -static int debug_memory = 0; /* show target memory accesses */ +static int debug_exec = 0; /* show execution */ +static int debug_events = 0; /* show events from kernel */ +static int debug_memory = 0; /* show target memory accesses */ static int debug_exceptions = 0; /* show target exceptions */ /* This vector maps GDB's idea of a register's number into an address @@ -131,30 +134,30 @@ static int debug_exceptions = 0; /* show target exceptions */ #define context_offset(x) ((int)&(((CONTEXT *)NULL)->x)) static const int mappings[] = { - context_offset(Eax), - context_offset(Ecx), - context_offset(Edx), - context_offset(Ebx), - context_offset(Esp), - context_offset(Ebp), - context_offset(Esi), - context_offset(Edi), - context_offset(Eip), - context_offset(EFlags), - context_offset(SegCs), - context_offset(SegSs), - context_offset(SegDs), - context_offset(SegEs), - context_offset(SegFs), - context_offset(SegGs), - context_offset(FloatSave.RegisterArea[0 * 10]), - context_offset(FloatSave.RegisterArea[1 * 10]), - context_offset(FloatSave.RegisterArea[2 * 10]), - context_offset(FloatSave.RegisterArea[3 * 10]), - context_offset(FloatSave.RegisterArea[4 * 10]), - context_offset(FloatSave.RegisterArea[5 * 10]), - context_offset(FloatSave.RegisterArea[6 * 10]), - context_offset(FloatSave.RegisterArea[7 * 10]), + context_offset (Eax), + context_offset (Ecx), + context_offset (Edx), + context_offset (Ebx), + context_offset (Esp), + context_offset (Ebp), + context_offset (Esi), + context_offset (Edi), + context_offset (Eip), + context_offset (EFlags), + context_offset (SegCs), + context_offset (SegSs), + context_offset (SegDs), + context_offset (SegEs), + context_offset (SegFs), + context_offset (SegGs), + context_offset (FloatSave.RegisterArea[0 * 10]), + context_offset (FloatSave.RegisterArea[1 * 10]), + context_offset (FloatSave.RegisterArea[2 * 10]), + context_offset (FloatSave.RegisterArea[3 * 10]), + context_offset (FloatSave.RegisterArea[4 * 10]), + context_offset (FloatSave.RegisterArea[5 * 10]), + context_offset (FloatSave.RegisterArea[6 * 10]), + context_offset (FloatSave.RegisterArea[7 * 10]), }; /* This vector maps the target's idea of an exception (extracted @@ -184,7 +187,7 @@ thread_rec (DWORD id, int get_context) { thread_info *th; - for (th = &thread_head; (th = th->next) != NULL; ) + for (th = &thread_head; (th = th->next) != NULL;) if (th->id == id) { if (!th->suspend_count && get_context) @@ -205,7 +208,7 @@ thread_rec (DWORD id, int get_context) /* Add a thread to the thread list */ static thread_info * -child_add_thread(DWORD id, HANDLE h) +child_add_thread (DWORD id, HANDLE h) { thread_info *th; @@ -213,7 +216,7 @@ child_add_thread(DWORD id, HANDLE h) return th; th = (thread_info *) xmalloc (sizeof (*th)); - memset(th, 0, sizeof (*th)); + memset (th, 0, sizeof (*th)); th->id = id; th->h = h; th->next = thread_head.next; @@ -316,7 +319,7 @@ child_store_inferior_registers (int r) static int handle_load_dll (PTR dummy) { - LOAD_DLL_DEBUG_INFO * event = ¤t_event.u.LoadDll; + LOAD_DLL_DEBUG_INFO *event = ¤t_event.u.LoadDll; DWORD dll_name_ptr; DWORD done; char dll_buf[MAX_PATH + 1]; @@ -324,7 +327,7 @@ handle_load_dll (PTR dummy) struct objfile *objfile; MEMORY_BASIC_INFORMATION minfo; - dll_buf[0] = dll_buf[sizeof(dll_buf) - 1] = '\0'; + dll_buf[0] = dll_buf[sizeof (dll_buf) - 1] = '\0'; /* The following code attempts to find the name of the dll by reading the name from the processes memory. Unfortunately it doesn't work right. @@ -332,7 +335,8 @@ handle_load_dll (PTR dummy) #ifdef DOESNT_WORK memset (&minfo, 0, sizeof minfo); if (VirtualQueryEx (current_process_handle, (LPCVOID) event->lpBaseOfDll, - &minfo, sizeof(minfo)) && minfo.BaseAddress) { + &minfo, sizeof (minfo)) && minfo.BaseAddress) + { DWORD len; IMAGE_DOS_HEADER *hmm0 = (IMAGE_DOS_HEADER *) minfo.BaseAddress; HMODULE hmm = (HMODULE) (((DWORD) hmm0) + hmm0->e_lfanew); @@ -342,7 +346,7 @@ handle_load_dll (PTR dummy) dll_name = dll_buf; dll_name[len] = '\0'; } - } + } #endif /* Attempt to read the name of the dll that was detected. @@ -360,7 +364,7 @@ handle_load_dll (PTR dummy) sizeof (dll_name_ptr), &done); /* See if we could read the address of a string, and that the - address isn't null. */ + address isn't null. */ if (done != sizeof (dll_name_ptr) || !dll_name_ptr) return 1; @@ -410,23 +414,23 @@ handle_load_dll (PTR dummy) /* FIXME!! It would be nice to define one symbol which pointed to the front of the dll if we can't find any symbols. */ - if (!(dll_basename = strrchr(dll_name, '/'))) + if (!(dll_basename = strrchr (dll_name, '/'))) dll_basename = dll_name; else dll_basename++; - ALL_OBJFILES(objfile) - { - char *objfile_basename; - objfile_basename = strrchr(objfile->name, '/'); + ALL_OBJFILES (objfile) + { + char *objfile_basename; + objfile_basename = strrchr (objfile->name, '/'); - if (objfile_basename && - strcmp(dll_basename, objfile_basename + 1) == 0) - { - printf_unfiltered ("%x:%s (symbols previously loaded)\n", - event->lpBaseOfDll, dll_name); - goto out; - } + if (objfile_basename && + strcmp (dll_basename, objfile_basename + 1) == 0) + { + printf_unfiltered ("%x:%s (symbols previously loaded)\n", + event->lpBaseOfDll, dll_name); + goto out; + } } /* The symbols in a dll are offset by 0x1000, which is the @@ -453,18 +457,18 @@ handle_output_debug_string (struct target_waitstatus *ourstatus) int gotasig = FALSE; if (!target_read_string - ((CORE_ADDR) current_event.u.DebugString.lpDebugStringData, &s, 1024, 0) + ((CORE_ADDR) current_event.u.DebugString.lpDebugStringData, &s, 1024, 0) || !s || !*s) return gotasig; - if (strncmp(s, CYGWIN_SIGNAL_STRING, sizeof(CYGWIN_SIGNAL_STRING) - 1)) + if (strncmp (s, CYGWIN_SIGNAL_STRING, sizeof (CYGWIN_SIGNAL_STRING) - 1)) { warning (s); } else { char *p; - /*last_sig = */strtol(s + sizeof(CYGWIN_SIGNAL_STRING) - 1, &p, 0); + /*last_sig = */ strtol (s + sizeof (CYGWIN_SIGNAL_STRING) - 1, &p, 0); gotasig = target_signal_from_host (last_sig); ourstatus->value.sig = gotasig; if (gotasig) @@ -491,41 +495,41 @@ handle_exception (struct target_waitstatus *ourstatus) { case EXCEPTION_ACCESS_VIOLATION: DEBUG_EXCEPT (("gdb: Target exception ACCESS_VIOLATION at 0x%08x\n", - current_event.u.Exception.ExceptionRecord.ExceptionAddress)); + current_event.u.Exception.ExceptionRecord.ExceptionAddress)); ourstatus->value.sig = TARGET_SIGNAL_SEGV; break; case STATUS_STACK_OVERFLOW: DEBUG_EXCEPT (("gdb: Target exception STACK_OVERFLOW at 0x%08x\n", - current_event.u.Exception.ExceptionRecord.ExceptionAddress)); + current_event.u.Exception.ExceptionRecord.ExceptionAddress)); ourstatus->value.sig = TARGET_SIGNAL_SEGV; break; case EXCEPTION_BREAKPOINT: DEBUG_EXCEPT (("gdb: Target exception BREAKPOINT at 0x%08x\n", - current_event.u.Exception.ExceptionRecord.ExceptionAddress)); + current_event.u.Exception.ExceptionRecord.ExceptionAddress)); ourstatus->value.sig = TARGET_SIGNAL_TRAP; break; case DBG_CONTROL_C: DEBUG_EXCEPT (("gdb: Target exception CONTROL_C at 0x%08x\n", - current_event.u.Exception.ExceptionRecord.ExceptionAddress)); + current_event.u.Exception.ExceptionRecord.ExceptionAddress)); ourstatus->value.sig = TARGET_SIGNAL_INT; /* User typed CTRL-C. Continue with this status */ last_sig = SIGINT; /* FIXME - should check pass state */ break; case EXCEPTION_SINGLE_STEP: DEBUG_EXCEPT (("gdb: Target exception SINGLE_STEP at 0x%08x\n", - current_event.u.Exception.ExceptionRecord.ExceptionAddress)); + current_event.u.Exception.ExceptionRecord.ExceptionAddress)); ourstatus->value.sig = TARGET_SIGNAL_TRAP; break; default: /* This may be a structured exception handling exception. In - that case, we want to let the program try to handle it, and - only break if we see the exception a second time. */ + that case, we want to let the program try to handle it, and + only break if we see the exception a second time. */ if (current_event.u.Exception.dwFirstChance) return 0; printf_unfiltered ("gdb: unknown target exception 0x%08x at 0x%08x\n", - current_event.u.Exception.ExceptionRecord.ExceptionCode, - current_event.u.Exception.ExceptionRecord.ExceptionAddress); + current_event.u.Exception.ExceptionRecord.ExceptionCode, + current_event.u.Exception.ExceptionRecord.ExceptionAddress); ourstatus->value.sig = TARGET_SIGNAL_UNKNOWN; break; } @@ -548,7 +552,7 @@ child_continue (DWORD continue_status, int id) current_event.dwThreadId, continue_status); if (res) - for (th = &thread_head; (th = th->next) != NULL; ) + for (th = &thread_head; (th = th->next) != NULL;) if (((id == -1) || (id == th->id)) && th->suspend_count) { for (i = 0; i < th->suspend_count; i++) @@ -586,38 +590,38 @@ child_wait (int pid, struct target_waitstatus *ourstatus) { case CREATE_THREAD_DEBUG_EVENT: DEBUG_EVENTS (("gdb: kernel event for pid=%d tid=%x code=%s)\n", - current_event.dwProcessId, current_event.dwThreadId, + 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)); + 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, + 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, + 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); + 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, + current_event.dwProcessId, current_event.dwThreadId, "EXIT_PROCESS_DEBUG_EVENT")); ourstatus->kind = TARGET_WAITKIND_EXITED; ourstatus->value.integer = current_event.u.ExitProcess.dwExitCode; @@ -627,30 +631,30 @@ child_wait (int pid, struct target_waitstatus *ourstatus) case LOAD_DLL_DEBUG_EVENT: DEBUG_EVENTS (("gdb: kernel event for pid=%d tid=%d code=%s)\n", - current_event.dwProcessId, current_event.dwThreadId, + 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 */ + 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, + current_event.dwProcessId, current_event.dwThreadId, "UNLOAD_DLL_DEBUG_EVENT")); - break; /* FIXME: don't know what to do here */ + 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, + 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 */ + 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, + current_event.dwProcessId, current_event.dwThreadId, "OUTPUT_DEBUG_STRING_EVENT")); if (handle_output_debug_string (ourstatus)) return main_thread_id; @@ -769,7 +773,7 @@ child_create_inferior (exec_file, allargs, env) char real_path[MAXPATHLEN]; char *winenv; char *temp; - int envlen; + int envlen; int i; STARTUPINFO si; @@ -815,10 +819,10 @@ child_create_inferior (exec_file, allargs, env) to posix style if necessary. */ static const char *conv_path_names[] = - { - "PATH=", - 0 - }; + { + "PATH=", + 0 + }; /* CreateProcess takes the environment list as a null terminated set of strings (i.e. two nulls terminate the list). */ @@ -878,7 +882,7 @@ child_create_inferior (exec_file, allargs, env) } ret = CreateProcess (0, - args, /* command line */ + args, /* command line */ NULL, /* Security */ NULL, /* thread */ TRUE, /* inherit handles */ @@ -888,7 +892,7 @@ child_create_inferior (exec_file, allargs, env) &si, &pi); if (!ret) - error ("Error creating process %s, (error %d)\n", exec_file, GetLastError()); + error ("Error creating process %s, (error %d)\n", exec_file, GetLastError ()); exception_count = 0; event_count = 0; @@ -926,7 +930,7 @@ child_stop () { DEBUG_EVENTS (("gdb: GenerateConsoleCtrlEvent (CTRLC_EVENT, 0)\n")); CHECK (GenerateConsoleCtrlEvent (CTRL_C_EVENT, 0)); - registers_changed(); /* refresh register state */ + registers_changed (); /* refresh register state */ } int @@ -971,7 +975,7 @@ child_kill_inferior (void) /* this may fail in an attached process so don't check. */ (void) CloseHandle (current_thread->h); - target_mourn_inferior(); /* or just child_mourn_inferior? */ + target_mourn_inferior (); /* or just child_mourn_inferior? */ } void @@ -980,7 +984,7 @@ child_resume (int pid, int step, enum target_signal sig) int i; thread_info *th; DWORD continue_status = last_sig > 0 && last_sig < NSIG ? - DBG_EXCEPTION_NOT_HANDLED : DBG_CONTINUE; + DBG_EXCEPTION_NOT_HANDLED : DBG_CONTINUE; DEBUG_EXEC (("gdb: child_resume (pid=%d, step=%d, sig=%d);\n", pid, step, sig)); @@ -1029,58 +1033,58 @@ child_close () DEBUG_EVENTS (("gdb: child_close, inferior_pid=%d\n", inferior_pid)); } -struct target_ops child_ops ; +struct target_ops child_ops; -static void -init_child_ops(void) +static void +init_child_ops (void) { - child_ops.to_shortname = "child"; - child_ops.to_longname = "Win32 child process"; - child_ops.to_doc = "Win32 child process (started by the \"run\" command)."; - child_ops.to_open = child_open; - child_ops.to_close = child_close; - child_ops.to_attach = child_attach; - child_ops.to_detach = child_detach; - child_ops.to_resume = child_resume; - child_ops.to_wait = child_wait; - child_ops.to_fetch_registers = child_fetch_inferior_registers; - child_ops.to_store_registers = child_store_inferior_registers; - child_ops.to_prepare_to_store = child_prepare_to_store; - child_ops.to_xfer_memory = child_xfer_memory; - child_ops.to_files_info = child_files_info; - child_ops.to_insert_breakpoint = memory_insert_breakpoint; - child_ops.to_remove_breakpoint = memory_remove_breakpoint; - child_ops.to_terminal_init = terminal_init_inferior; - child_ops.to_terminal_inferior = terminal_inferior; - child_ops.to_terminal_ours_for_output = terminal_ours_for_output; - child_ops.to_terminal_ours = terminal_ours; - child_ops.to_terminal_info = child_terminal_info; - child_ops.to_kill = child_kill_inferior; - child_ops.to_load = 0; - child_ops.to_lookup_symbol = 0; - child_ops.to_create_inferior = child_create_inferior; - child_ops.to_mourn_inferior = child_mourn_inferior; - child_ops.to_can_run = child_can_run; - child_ops.to_notice_signals = 0; - child_ops.to_thread_alive = win32_child_thread_alive; - child_ops.to_stop = child_stop; - child_ops.to_stratum = process_stratum; - child_ops.DONT_USE = 0; - child_ops.to_has_all_memory = 1; - child_ops.to_has_memory = 1; - child_ops.to_has_stack = 1; - child_ops.to_has_registers = 1; - child_ops.to_has_execution = 1; - child_ops.to_sections = 0; - child_ops.to_sections_end = 0; - child_ops.to_magic = OPS_MAGIC; + child_ops.to_shortname = "child"; + child_ops.to_longname = "Win32 child process"; + child_ops.to_doc = "Win32 child process (started by the \"run\" command)."; + child_ops.to_open = child_open; + child_ops.to_close = child_close; + child_ops.to_attach = child_attach; + child_ops.to_detach = child_detach; + child_ops.to_resume = child_resume; + child_ops.to_wait = child_wait; + child_ops.to_fetch_registers = child_fetch_inferior_registers; + child_ops.to_store_registers = child_store_inferior_registers; + child_ops.to_prepare_to_store = child_prepare_to_store; + child_ops.to_xfer_memory = child_xfer_memory; + child_ops.to_files_info = child_files_info; + child_ops.to_insert_breakpoint = memory_insert_breakpoint; + child_ops.to_remove_breakpoint = memory_remove_breakpoint; + child_ops.to_terminal_init = terminal_init_inferior; + child_ops.to_terminal_inferior = terminal_inferior; + child_ops.to_terminal_ours_for_output = terminal_ours_for_output; + child_ops.to_terminal_ours = terminal_ours; + child_ops.to_terminal_info = child_terminal_info; + child_ops.to_kill = child_kill_inferior; + child_ops.to_load = 0; + child_ops.to_lookup_symbol = 0; + child_ops.to_create_inferior = child_create_inferior; + child_ops.to_mourn_inferior = child_mourn_inferior; + child_ops.to_can_run = child_can_run; + child_ops.to_notice_signals = 0; + child_ops.to_thread_alive = win32_child_thread_alive; + child_ops.to_stop = child_stop; + child_ops.to_stratum = process_stratum; + child_ops.DONT_USE = 0; + child_ops.to_has_all_memory = 1; + child_ops.to_has_memory = 1; + child_ops.to_has_stack = 1; + child_ops.to_has_registers = 1; + child_ops.to_has_execution = 1; + child_ops.to_sections = 0; + child_ops.to_sections_end = 0; + child_ops.to_magic = OPS_MAGIC; } void _initialize_inftarg () { struct cmd_list_element *c; - init_child_ops() ; + init_child_ops (); add_show_from_set (add_set_cmd ("new-console", class_support, var_boolean, @@ -1120,7 +1124,7 @@ _initialize_inftarg () add_show_from_set (add_set_cmd ("debugexceptions", class_support, var_boolean, (char *) &debug_exceptions, - "Set whether to display kernel exceptions in child process.", + "Set whether to display kernel exceptions in child process.", &setlist), &showlist); @@ -1133,8 +1137,8 @@ _initialize_inftarg () static int win32_child_thread_alive (int pid) { - return WaitForSingleObject(thread_rec (pid, FALSE)->h, 0) == WAIT_OBJECT_0 ? - FALSE : TRUE; + return WaitForSingleObject (thread_rec (pid, FALSE)->h, 0) == WAIT_OBJECT_0 ? + FALSE : TRUE; } /* Convert pid to printable format. */ |