1 /* User Interface Events.
3 Copyright 1999, 2001, 2002, 2004, 2005 Free Software Foundation,
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 2 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, write to the Free Software
22 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
24 /* Work in progress */
26 /* This file was created with the aid of ``gdb-events.sh''.
28 The bourn shell script ``gdb-events.sh'' creates the files
29 ``new-gdb-events.c'' and ``new-gdb-events.h and then compares
30 them against the existing ``gdb-events.[hc]''. Any differences
33 If editing this file, please also run gdb-events.sh and merge any
34 changes into that script. Conversely, when making sweeping changes
35 to this file, modifying gdb-events.sh and using its output may
40 #include "gdb-events.h"
43 static struct gdb_events null_event_hooks;
44 static struct gdb_events queue_event_hooks;
45 static struct gdb_events *current_event_hooks = &null_event_hooks;
50 breakpoint_create_event (int b)
53 fprintf_unfiltered (gdb_stdlog, "breakpoint_create_event\n");
54 if (!current_event_hooks->breakpoint_create)
56 current_event_hooks->breakpoint_create (b);
60 breakpoint_delete_event (int b)
63 fprintf_unfiltered (gdb_stdlog, "breakpoint_delete_event\n");
64 if (!current_event_hooks->breakpoint_delete)
66 current_event_hooks->breakpoint_delete (b);
70 breakpoint_modify_event (int b)
73 fprintf_unfiltered (gdb_stdlog, "breakpoint_modify_event\n");
74 if (!current_event_hooks->breakpoint_modify)
76 current_event_hooks->breakpoint_modify (b);
80 tracepoint_create_event (int number)
83 fprintf_unfiltered (gdb_stdlog, "tracepoint_create_event\n");
84 if (!current_event_hooks->tracepoint_create)
86 current_event_hooks->tracepoint_create (number);
90 tracepoint_delete_event (int number)
93 fprintf_unfiltered (gdb_stdlog, "tracepoint_delete_event\n");
94 if (!current_event_hooks->tracepoint_delete)
96 current_event_hooks->tracepoint_delete (number);
100 tracepoint_modify_event (int number)
102 if (gdb_events_debug)
103 fprintf_unfiltered (gdb_stdlog, "tracepoint_modify_event\n");
104 if (!current_event_hooks->tracepoint_modify)
106 current_event_hooks->tracepoint_modify (number);
110 architecture_changed_event (void)
112 if (gdb_events_debug)
113 fprintf_unfiltered (gdb_stdlog, "architecture_changed_event\n");
114 if (!current_event_hooks->architecture_changed)
116 current_event_hooks->architecture_changed ();
120 deprecated_set_gdb_event_hooks (struct gdb_events *vector)
122 struct gdb_events *old_events = current_event_hooks;
124 current_event_hooks = &queue_event_hooks;
126 current_event_hooks = vector;
131 clear_gdb_event_hooks (void)
133 deprecated_set_gdb_event_hooks (&null_event_hooks);
144 architecture_changed,
148 struct breakpoint_create
153 struct breakpoint_delete
158 struct breakpoint_modify
163 struct tracepoint_create
168 struct tracepoint_delete
173 struct tracepoint_modify
184 struct breakpoint_create breakpoint_create;
185 struct breakpoint_delete breakpoint_delete;
186 struct breakpoint_modify breakpoint_modify;
187 struct tracepoint_create tracepoint_create;
188 struct tracepoint_delete tracepoint_delete;
189 struct tracepoint_modify tracepoint_modify;
193 struct event *pending_events;
194 struct event *delivering_events;
197 append (struct event *new_event)
199 struct event **event = &pending_events;
200 while ((*event) != NULL)
201 event = &((*event)->next);
202 (*event) = new_event;
203 (*event)->next = NULL;
207 queue_breakpoint_create (int b)
209 struct event *event = XMALLOC (struct event);
210 event->type = breakpoint_create;
211 event->data.breakpoint_create.b = b;
216 queue_breakpoint_delete (int b)
218 struct event *event = XMALLOC (struct event);
219 event->type = breakpoint_delete;
220 event->data.breakpoint_delete.b = b;
225 queue_breakpoint_modify (int b)
227 struct event *event = XMALLOC (struct event);
228 event->type = breakpoint_modify;
229 event->data.breakpoint_modify.b = b;
234 queue_tracepoint_create (int number)
236 struct event *event = XMALLOC (struct event);
237 event->type = tracepoint_create;
238 event->data.tracepoint_create.number = number;
243 queue_tracepoint_delete (int number)
245 struct event *event = XMALLOC (struct event);
246 event->type = tracepoint_delete;
247 event->data.tracepoint_delete.number = number;
252 queue_tracepoint_modify (int number)
254 struct event *event = XMALLOC (struct event);
255 event->type = tracepoint_modify;
256 event->data.tracepoint_modify.number = number;
261 queue_architecture_changed (void)
263 struct event *event = XMALLOC (struct event);
264 event->type = architecture_changed;
269 gdb_events_deliver (struct gdb_events *vector)
271 /* Just zap any events left around from last time. */
272 while (delivering_events != NULL)
274 struct event *event = delivering_events;
275 delivering_events = event->next;
278 /* Process any pending events. Because one of the deliveries could
279 bail out we move everything off of the pending queue onto an
280 in-progress queue where it can, later, be cleaned up if
282 delivering_events = pending_events;
283 pending_events = NULL;
284 while (delivering_events != NULL)
286 struct event *event = delivering_events;
289 case breakpoint_create:
290 vector->breakpoint_create
291 (event->data.breakpoint_create.b);
293 case breakpoint_delete:
294 vector->breakpoint_delete
295 (event->data.breakpoint_delete.b);
297 case breakpoint_modify:
298 vector->breakpoint_modify
299 (event->data.breakpoint_modify.b);
301 case tracepoint_create:
302 vector->tracepoint_create
303 (event->data.tracepoint_create.number);
305 case tracepoint_delete:
306 vector->tracepoint_delete
307 (event->data.tracepoint_delete.number);
309 case tracepoint_modify:
310 vector->tracepoint_modify
311 (event->data.tracepoint_modify.number);
313 case architecture_changed:
314 vector->architecture_changed ();
317 delivering_events = event->next;
322 void _initialize_gdb_events (void);
324 _initialize_gdb_events (void)
326 struct cmd_list_element *c;
327 queue_event_hooks.breakpoint_create = queue_breakpoint_create;
328 queue_event_hooks.breakpoint_delete = queue_breakpoint_delete;
329 queue_event_hooks.breakpoint_modify = queue_breakpoint_modify;
330 queue_event_hooks.tracepoint_create = queue_tracepoint_create;
331 queue_event_hooks.tracepoint_delete = queue_tracepoint_delete;
332 queue_event_hooks.tracepoint_modify = queue_tracepoint_modify;
333 queue_event_hooks.architecture_changed = queue_architecture_changed;
335 add_setshow_zinteger_cmd ("event", class_maintenance,
336 &gdb_events_debug, _("\
337 Set event debugging."), _("\
338 Show event debugging."), _("\
339 When non-zero, event/notify debugging is enabled."),
341 NULL, /* FIXME: i18n: */
342 &setdebuglist, &showdebuglist);