1 /* User Interface Events.
3 Copyright (C) 1999, 2001, 2002, 2004, 2005, 2007, 2008
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
);