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;
49 show_gdb_events_debug (struct ui_file *file, int from_tty,
50 struct cmd_list_element *c, const char *value)
52 fprintf_filtered (file, _("Event debugging is %s.\n"), value);
57 breakpoint_create_event (int b)
60 fprintf_unfiltered (gdb_stdlog, "breakpoint_create_event\n");
61 if (!current_event_hooks->breakpoint_create)
63 current_event_hooks->breakpoint_create (b);
67 breakpoint_delete_event (int b)
70 fprintf_unfiltered (gdb_stdlog, "breakpoint_delete_event\n");
71 if (!current_event_hooks->breakpoint_delete)
73 current_event_hooks->breakpoint_delete (b);
77 breakpoint_modify_event (int b)
80 fprintf_unfiltered (gdb_stdlog, "breakpoint_modify_event\n");
81 if (!current_event_hooks->breakpoint_modify)
83 current_event_hooks->breakpoint_modify (b);
87 tracepoint_create_event (int number)
90 fprintf_unfiltered (gdb_stdlog, "tracepoint_create_event\n");
91 if (!current_event_hooks->tracepoint_create)
93 current_event_hooks->tracepoint_create (number);
97 tracepoint_delete_event (int number)
100 fprintf_unfiltered (gdb_stdlog, "tracepoint_delete_event\n");
101 if (!current_event_hooks->tracepoint_delete)
103 current_event_hooks->tracepoint_delete (number);
107 tracepoint_modify_event (int number)
109 if (gdb_events_debug)
110 fprintf_unfiltered (gdb_stdlog, "tracepoint_modify_event\n");
111 if (!current_event_hooks->tracepoint_modify)
113 current_event_hooks->tracepoint_modify (number);
117 architecture_changed_event (void)
119 if (gdb_events_debug)
120 fprintf_unfiltered (gdb_stdlog, "architecture_changed_event\n");
121 if (!current_event_hooks->architecture_changed)
123 current_event_hooks->architecture_changed ();
127 deprecated_set_gdb_event_hooks (struct gdb_events *vector)
129 struct gdb_events *old_events = current_event_hooks;
131 current_event_hooks = &queue_event_hooks;
133 current_event_hooks = vector;
138 clear_gdb_event_hooks (void)
140 deprecated_set_gdb_event_hooks (&null_event_hooks);
151 architecture_changed,
155 struct breakpoint_create
160 struct breakpoint_delete
165 struct breakpoint_modify
170 struct tracepoint_create
175 struct tracepoint_delete
180 struct tracepoint_modify
191 struct breakpoint_create breakpoint_create;
192 struct breakpoint_delete breakpoint_delete;
193 struct breakpoint_modify breakpoint_modify;
194 struct tracepoint_create tracepoint_create;
195 struct tracepoint_delete tracepoint_delete;
196 struct tracepoint_modify tracepoint_modify;
200 struct event *pending_events;
201 struct event *delivering_events;
204 append (struct event *new_event)
206 struct event **event = &pending_events;
207 while ((*event) != NULL)
208 event = &((*event)->next);
209 (*event) = new_event;
210 (*event)->next = NULL;
214 queue_breakpoint_create (int b)
216 struct event *event = XMALLOC (struct event);
217 event->type = breakpoint_create;
218 event->data.breakpoint_create.b = b;
223 queue_breakpoint_delete (int b)
225 struct event *event = XMALLOC (struct event);
226 event->type = breakpoint_delete;
227 event->data.breakpoint_delete.b = b;
232 queue_breakpoint_modify (int b)
234 struct event *event = XMALLOC (struct event);
235 event->type = breakpoint_modify;
236 event->data.breakpoint_modify.b = b;
241 queue_tracepoint_create (int number)
243 struct event *event = XMALLOC (struct event);
244 event->type = tracepoint_create;
245 event->data.tracepoint_create.number = number;
250 queue_tracepoint_delete (int number)
252 struct event *event = XMALLOC (struct event);
253 event->type = tracepoint_delete;
254 event->data.tracepoint_delete.number = number;
259 queue_tracepoint_modify (int number)
261 struct event *event = XMALLOC (struct event);
262 event->type = tracepoint_modify;
263 event->data.tracepoint_modify.number = number;
268 queue_architecture_changed (void)
270 struct event *event = XMALLOC (struct event);
271 event->type = architecture_changed;
276 gdb_events_deliver (struct gdb_events *vector)
278 /* Just zap any events left around from last time. */
279 while (delivering_events != NULL)
281 struct event *event = delivering_events;
282 delivering_events = event->next;
285 /* Process any pending events. Because one of the deliveries could
286 bail out we move everything off of the pending queue onto an
287 in-progress queue where it can, later, be cleaned up if
289 delivering_events = pending_events;
290 pending_events = NULL;
291 while (delivering_events != NULL)
293 struct event *event = delivering_events;
296 case breakpoint_create:
297 vector->breakpoint_create
298 (event->data.breakpoint_create.b);
300 case breakpoint_delete:
301 vector->breakpoint_delete
302 (event->data.breakpoint_delete.b);
304 case breakpoint_modify:
305 vector->breakpoint_modify
306 (event->data.breakpoint_modify.b);
308 case tracepoint_create:
309 vector->tracepoint_create
310 (event->data.tracepoint_create.number);
312 case tracepoint_delete:
313 vector->tracepoint_delete
314 (event->data.tracepoint_delete.number);
316 case tracepoint_modify:
317 vector->tracepoint_modify
318 (event->data.tracepoint_modify.number);
320 case architecture_changed:
321 vector->architecture_changed ();
324 delivering_events = event->next;
329 void _initialize_gdb_events (void);
331 _initialize_gdb_events (void)
333 struct cmd_list_element *c;
334 queue_event_hooks.breakpoint_create = queue_breakpoint_create;
335 queue_event_hooks.breakpoint_delete = queue_breakpoint_delete;
336 queue_event_hooks.breakpoint_modify = queue_breakpoint_modify;
337 queue_event_hooks.tracepoint_create = queue_tracepoint_create;
338 queue_event_hooks.tracepoint_delete = queue_tracepoint_delete;
339 queue_event_hooks.tracepoint_modify = queue_tracepoint_modify;
340 queue_event_hooks.architecture_changed = queue_architecture_changed;
342 add_setshow_zinteger_cmd ("event", class_maintenance,
343 &gdb_events_debug, _("\
344 Set event debugging."), _("\
345 Show event debugging."), _("\
346 When non-zero, event/notify debugging is enabled."),
348 show_gdb_events_debug,
349 &setdebuglist, &showdebuglist);