1 /* User Interface Events.
3 Copyright (C) 1999, 2001, 2002, 2004, 2005, 2007
4 Free Software Foundation, Inc.
6 Contributed by Cygnus Solutions.
8 This file is part of GDB.
10 This program is free software; you can redistribute it and/or modify
11 it under the terms of the GNU General Public License as published by
12 the Free Software Foundation; either version 3 of the License, or
13 (at your option) any later version.
15 This program is distributed in the hope that it will be useful,
16 but WITHOUT ANY WARRANTY; without even the implied warranty of
17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 GNU General Public License for more details.
20 You should have received a copy of the GNU General Public License
21 along with this program. If not, see <http://www.gnu.org/licenses/>. */
23 /* Work in progress */
25 /* This file was created with the aid of ``gdb-events.sh''.
27 The bourn shell script ``gdb-events.sh'' creates the files
28 ``new-gdb-events.c'' and ``new-gdb-events.h and then compares
29 them against the existing ``gdb-events.[hc]''. Any differences
32 If editing this file, please also run gdb-events.sh and merge any
33 changes into that script. Conversely, when making sweeping changes
34 to this file, modifying gdb-events.sh and using its output may
39 #include "gdb-events.h"
42 static struct gdb_events null_event_hooks;
43 static struct gdb_events queue_event_hooks;
44 static struct gdb_events *current_event_hooks = &null_event_hooks;
48 show_gdb_events_debug (struct ui_file *file, int from_tty,
49 struct cmd_list_element *c, const char *value)
51 fprintf_filtered (file, _("Event debugging is %s.\n"), value);
56 breakpoint_create_event (int b)
59 fprintf_unfiltered (gdb_stdlog, "breakpoint_create_event\n");
60 if (!current_event_hooks->breakpoint_create)
62 current_event_hooks->breakpoint_create (b);
66 breakpoint_delete_event (int b)
69 fprintf_unfiltered (gdb_stdlog, "breakpoint_delete_event\n");
70 if (!current_event_hooks->breakpoint_delete)
72 current_event_hooks->breakpoint_delete (b);
76 breakpoint_modify_event (int b)
79 fprintf_unfiltered (gdb_stdlog, "breakpoint_modify_event\n");
80 if (!current_event_hooks->breakpoint_modify)
82 current_event_hooks->breakpoint_modify (b);
86 tracepoint_create_event (int number)
89 fprintf_unfiltered (gdb_stdlog, "tracepoint_create_event\n");
90 if (!current_event_hooks->tracepoint_create)
92 current_event_hooks->tracepoint_create (number);
96 tracepoint_delete_event (int number)
99 fprintf_unfiltered (gdb_stdlog, "tracepoint_delete_event\n");
100 if (!current_event_hooks->tracepoint_delete)
102 current_event_hooks->tracepoint_delete (number);
106 tracepoint_modify_event (int number)
108 if (gdb_events_debug)
109 fprintf_unfiltered (gdb_stdlog, "tracepoint_modify_event\n");
110 if (!current_event_hooks->tracepoint_modify)
112 current_event_hooks->tracepoint_modify (number);
116 architecture_changed_event (void)
118 if (gdb_events_debug)
119 fprintf_unfiltered (gdb_stdlog, "architecture_changed_event\n");
120 if (!current_event_hooks->architecture_changed)
122 current_event_hooks->architecture_changed ();
126 deprecated_set_gdb_event_hooks (struct gdb_events *vector)
128 struct gdb_events *old_events = current_event_hooks;
130 current_event_hooks = &queue_event_hooks;
132 current_event_hooks = vector;
137 clear_gdb_event_hooks (void)
139 deprecated_set_gdb_event_hooks (&null_event_hooks);
150 architecture_changed,
154 struct breakpoint_create
159 struct breakpoint_delete
164 struct breakpoint_modify
169 struct tracepoint_create
174 struct tracepoint_delete
179 struct tracepoint_modify
190 struct breakpoint_create breakpoint_create;
191 struct breakpoint_delete breakpoint_delete;
192 struct breakpoint_modify breakpoint_modify;
193 struct tracepoint_create tracepoint_create;
194 struct tracepoint_delete tracepoint_delete;
195 struct tracepoint_modify tracepoint_modify;
199 struct event *pending_events;
200 struct event *delivering_events;
203 append (struct event *new_event)
205 struct event **event = &pending_events;
206 while ((*event) != NULL)
207 event = &((*event)->next);
208 (*event) = new_event;
209 (*event)->next = NULL;
213 queue_breakpoint_create (int b)
215 struct event *event = XMALLOC (struct event);
216 event->type = breakpoint_create;
217 event->data.breakpoint_create.b = b;
222 queue_breakpoint_delete (int b)
224 struct event *event = XMALLOC (struct event);
225 event->type = breakpoint_delete;
226 event->data.breakpoint_delete.b = b;
231 queue_breakpoint_modify (int b)
233 struct event *event = XMALLOC (struct event);
234 event->type = breakpoint_modify;
235 event->data.breakpoint_modify.b = b;
240 queue_tracepoint_create (int number)
242 struct event *event = XMALLOC (struct event);
243 event->type = tracepoint_create;
244 event->data.tracepoint_create.number = number;
249 queue_tracepoint_delete (int number)
251 struct event *event = XMALLOC (struct event);
252 event->type = tracepoint_delete;
253 event->data.tracepoint_delete.number = number;
258 queue_tracepoint_modify (int number)
260 struct event *event = XMALLOC (struct event);
261 event->type = tracepoint_modify;
262 event->data.tracepoint_modify.number = number;
267 queue_architecture_changed (void)
269 struct event *event = XMALLOC (struct event);
270 event->type = architecture_changed;
275 gdb_events_deliver (struct gdb_events *vector)
277 /* Just zap any events left around from last time. */
278 while (delivering_events != NULL)
280 struct event *event = delivering_events;
281 delivering_events = event->next;
284 /* Process any pending events. Because one of the deliveries could
285 bail out we move everything off of the pending queue onto an
286 in-progress queue where it can, later, be cleaned up if
288 delivering_events = pending_events;
289 pending_events = NULL;
290 while (delivering_events != NULL)
292 struct event *event = delivering_events;
295 case breakpoint_create:
296 vector->breakpoint_create
297 (event->data.breakpoint_create.b);
299 case breakpoint_delete:
300 vector->breakpoint_delete
301 (event->data.breakpoint_delete.b);
303 case breakpoint_modify:
304 vector->breakpoint_modify
305 (event->data.breakpoint_modify.b);
307 case tracepoint_create:
308 vector->tracepoint_create
309 (event->data.tracepoint_create.number);
311 case tracepoint_delete:
312 vector->tracepoint_delete
313 (event->data.tracepoint_delete.number);
315 case tracepoint_modify:
316 vector->tracepoint_modify
317 (event->data.tracepoint_modify.number);
319 case architecture_changed:
320 vector->architecture_changed ();
323 delivering_events = event->next;
328 void _initialize_gdb_events (void);
330 _initialize_gdb_events (void)
332 struct cmd_list_element *c;
333 queue_event_hooks.breakpoint_create = queue_breakpoint_create;
334 queue_event_hooks.breakpoint_delete = queue_breakpoint_delete;
335 queue_event_hooks.breakpoint_modify = queue_breakpoint_modify;
336 queue_event_hooks.tracepoint_create = queue_tracepoint_create;
337 queue_event_hooks.tracepoint_delete = queue_tracepoint_delete;
338 queue_event_hooks.tracepoint_modify = queue_tracepoint_modify;
339 queue_event_hooks.architecture_changed = queue_architecture_changed;
341 add_setshow_zinteger_cmd ("event", class_maintenance,
342 &gdb_events_debug, _("\
343 Set event debugging."), _("\
344 Show event debugging."), _("\
345 When non-zero, event/notify debugging is enabled."),
347 show_gdb_events_debug,
348 &setdebuglist, &showdebuglist);