Commit | Line | Data |
---|---|---|
104c1213 | 1 | /* User Interface Events. |
349c5d5f | 2 | |
9b254dd1 | 3 | Copyright (C) 1999, 2001, 2002, 2004, 2005, 2007, 2008 |
6aba47ca | 4 | Free Software Foundation, Inc. |
104c1213 JM |
5 | |
6 | Contributed by Cygnus Solutions. | |
7 | ||
afbfc876 | 8 | This file is part of GDB. |
104c1213 | 9 | |
afbfc876 AC |
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 | |
a9762ec7 | 12 | the Free Software Foundation; either version 3 of the License, or |
afbfc876 | 13 | (at your option) any later version. |
104c1213 | 14 | |
afbfc876 AC |
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. | |
104c1213 | 19 | |
afbfc876 | 20 | You should have received a copy of the GNU General Public License |
a9762ec7 | 21 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
104c1213 JM |
22 | |
23 | /* Work in progress */ | |
24 | ||
25 | /* This file was created with the aid of ``gdb-events.sh''. | |
26 | ||
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 | |
30 | found being reported. | |
31 | ||
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 | |
30867156 | 35 | prove easier. */ |
104c1213 JM |
36 | |
37 | ||
38 | #include "defs.h" | |
39 | #include "gdb-events.h" | |
40 | #include "gdbcmd.h" | |
41 | ||
104c1213 JM |
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; | |
104c1213 JM |
45 | |
46 | int gdb_events_debug; | |
920d2a44 AC |
47 | static void |
48 | show_gdb_events_debug (struct ui_file *file, int from_tty, | |
49 | struct cmd_list_element *c, const char *value) | |
50 | { | |
51 | fprintf_filtered (file, _("Event debugging is %s.\n"), value); | |
52 | } | |
53 | ||
104c1213 | 54 | |
104c1213 JM |
55 | void |
56 | breakpoint_create_event (int b) | |
57 | { | |
58 | if (gdb_events_debug) | |
59 | fprintf_unfiltered (gdb_stdlog, "breakpoint_create_event\n"); | |
60 | if (!current_event_hooks->breakpoint_create) | |
61 | return; | |
62 | current_event_hooks->breakpoint_create (b); | |
63 | } | |
64 | ||
65 | void | |
66 | breakpoint_delete_event (int b) | |
67 | { | |
68 | if (gdb_events_debug) | |
69 | fprintf_unfiltered (gdb_stdlog, "breakpoint_delete_event\n"); | |
70 | if (!current_event_hooks->breakpoint_delete) | |
71 | return; | |
72 | current_event_hooks->breakpoint_delete (b); | |
73 | } | |
74 | ||
75 | void | |
76 | breakpoint_modify_event (int b) | |
77 | { | |
78 | if (gdb_events_debug) | |
79 | fprintf_unfiltered (gdb_stdlog, "breakpoint_modify_event\n"); | |
80 | if (!current_event_hooks->breakpoint_modify) | |
81 | return; | |
82 | current_event_hooks->breakpoint_modify (b); | |
83 | } | |
84 | ||
ba9fe036 KS |
85 | void |
86 | tracepoint_create_event (int number) | |
87 | { | |
88 | if (gdb_events_debug) | |
89 | fprintf_unfiltered (gdb_stdlog, "tracepoint_create_event\n"); | |
90 | if (!current_event_hooks->tracepoint_create) | |
91 | return; | |
92 | current_event_hooks->tracepoint_create (number); | |
93 | } | |
94 | ||
95 | void | |
96 | tracepoint_delete_event (int number) | |
97 | { | |
98 | if (gdb_events_debug) | |
99 | fprintf_unfiltered (gdb_stdlog, "tracepoint_delete_event\n"); | |
100 | if (!current_event_hooks->tracepoint_delete) | |
101 | return; | |
102 | current_event_hooks->tracepoint_delete (number); | |
103 | } | |
104 | ||
105 | void | |
106 | tracepoint_modify_event (int number) | |
107 | { | |
108 | if (gdb_events_debug) | |
109 | fprintf_unfiltered (gdb_stdlog, "tracepoint_modify_event\n"); | |
110 | if (!current_event_hooks->tracepoint_modify) | |
111 | return; | |
112 | current_event_hooks->tracepoint_modify (number); | |
113 | } | |
114 | ||
67c2c32c KS |
115 | void |
116 | architecture_changed_event (void) | |
117 | { | |
118 | if (gdb_events_debug) | |
119 | fprintf_unfiltered (gdb_stdlog, "architecture_changed_event\n"); | |
120 | if (!current_event_hooks->architecture_changed) | |
121 | return; | |
122 | current_event_hooks->architecture_changed (); | |
123 | } | |
124 | ||
ed9a39eb | 125 | struct gdb_events * |
2726dafc | 126 | deprecated_set_gdb_event_hooks (struct gdb_events *vector) |
104c1213 | 127 | { |
ed9a39eb | 128 | struct gdb_events *old_events = current_event_hooks; |
104c1213 JM |
129 | if (vector == NULL) |
130 | current_event_hooks = &queue_event_hooks; | |
131 | else | |
132 | current_event_hooks = vector; | |
ed9a39eb | 133 | return old_events; |
104c1213 | 134 | } |
104c1213 | 135 | |
63d022e0 KS |
136 | void |
137 | clear_gdb_event_hooks (void) | |
138 | { | |
2726dafc | 139 | deprecated_set_gdb_event_hooks (&null_event_hooks); |
63d022e0 | 140 | } |
63d022e0 | 141 | |
104c1213 | 142 | enum gdb_event |
afbfc876 AC |
143 | { |
144 | breakpoint_create, | |
145 | breakpoint_delete, | |
146 | breakpoint_modify, | |
ba9fe036 KS |
147 | tracepoint_create, |
148 | tracepoint_delete, | |
149 | tracepoint_modify, | |
67c2c32c | 150 | architecture_changed, |
afbfc876 AC |
151 | nr_gdb_events |
152 | }; | |
104c1213 JM |
153 | |
154 | struct breakpoint_create | |
155 | { | |
156 | int b; | |
157 | }; | |
158 | ||
159 | struct breakpoint_delete | |
160 | { | |
161 | int b; | |
162 | }; | |
163 | ||
164 | struct breakpoint_modify | |
165 | { | |
166 | int b; | |
167 | }; | |
168 | ||
ba9fe036 KS |
169 | struct tracepoint_create |
170 | { | |
171 | int number; | |
172 | }; | |
173 | ||
174 | struct tracepoint_delete | |
175 | { | |
176 | int number; | |
177 | }; | |
178 | ||
179 | struct tracepoint_modify | |
180 | { | |
181 | int number; | |
182 | }; | |
183 | ||
104c1213 JM |
184 | struct event |
185 | { | |
186 | enum gdb_event type; | |
187 | struct event *next; | |
188 | union | |
189 | { | |
afbfc876 AC |
190 | struct breakpoint_create breakpoint_create; |
191 | struct breakpoint_delete breakpoint_delete; | |
192 | struct breakpoint_modify breakpoint_modify; | |
ba9fe036 KS |
193 | struct tracepoint_create tracepoint_create; |
194 | struct tracepoint_delete tracepoint_delete; | |
195 | struct tracepoint_modify tracepoint_modify; | |
104c1213 JM |
196 | } |
197 | data; | |
198 | }; | |
199 | struct event *pending_events; | |
200 | struct event *delivering_events; | |
201 | ||
202 | static void | |
203 | append (struct event *new_event) | |
204 | { | |
205 | struct event **event = &pending_events; | |
206 | while ((*event) != NULL) | |
207 | event = &((*event)->next); | |
208 | (*event) = new_event; | |
209 | (*event)->next = NULL; | |
210 | } | |
211 | ||
212 | static void | |
213 | queue_breakpoint_create (int b) | |
214 | { | |
215 | struct event *event = XMALLOC (struct event); | |
216 | event->type = breakpoint_create; | |
217 | event->data.breakpoint_create.b = b; | |
218 | append (event); | |
219 | } | |
220 | ||
221 | static void | |
222 | queue_breakpoint_delete (int b) | |
223 | { | |
224 | struct event *event = XMALLOC (struct event); | |
225 | event->type = breakpoint_delete; | |
226 | event->data.breakpoint_delete.b = b; | |
227 | append (event); | |
228 | } | |
229 | ||
230 | static void | |
231 | queue_breakpoint_modify (int b) | |
232 | { | |
233 | struct event *event = XMALLOC (struct event); | |
234 | event->type = breakpoint_modify; | |
235 | event->data.breakpoint_modify.b = b; | |
236 | append (event); | |
237 | } | |
238 | ||
ba9fe036 KS |
239 | static void |
240 | queue_tracepoint_create (int number) | |
241 | { | |
242 | struct event *event = XMALLOC (struct event); | |
243 | event->type = tracepoint_create; | |
244 | event->data.tracepoint_create.number = number; | |
245 | append (event); | |
246 | } | |
247 | ||
248 | static void | |
249 | queue_tracepoint_delete (int number) | |
250 | { | |
251 | struct event *event = XMALLOC (struct event); | |
252 | event->type = tracepoint_delete; | |
253 | event->data.tracepoint_delete.number = number; | |
254 | append (event); | |
255 | } | |
256 | ||
257 | static void | |
258 | queue_tracepoint_modify (int number) | |
259 | { | |
260 | struct event *event = XMALLOC (struct event); | |
261 | event->type = tracepoint_modify; | |
262 | event->data.tracepoint_modify.number = number; | |
263 | append (event); | |
264 | } | |
265 | ||
67c2c32c KS |
266 | static void |
267 | queue_architecture_changed (void) | |
268 | { | |
269 | struct event *event = XMALLOC (struct event); | |
270 | event->type = architecture_changed; | |
271 | append (event); | |
272 | } | |
273 | ||
104c1213 JM |
274 | void |
275 | gdb_events_deliver (struct gdb_events *vector) | |
276 | { | |
277 | /* Just zap any events left around from last time. */ | |
278 | while (delivering_events != NULL) | |
279 | { | |
280 | struct event *event = delivering_events; | |
281 | delivering_events = event->next; | |
b8c9b27d | 282 | xfree (event); |
104c1213 JM |
283 | } |
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 | |
287 | necessary. */ | |
288 | delivering_events = pending_events; | |
289 | pending_events = NULL; | |
290 | while (delivering_events != NULL) | |
291 | { | |
292 | struct event *event = delivering_events; | |
293 | switch (event->type) | |
afbfc876 AC |
294 | { |
295 | case breakpoint_create: | |
296 | vector->breakpoint_create | |
297 | (event->data.breakpoint_create.b); | |
298 | break; | |
299 | case breakpoint_delete: | |
300 | vector->breakpoint_delete | |
301 | (event->data.breakpoint_delete.b); | |
302 | break; | |
303 | case breakpoint_modify: | |
304 | vector->breakpoint_modify | |
305 | (event->data.breakpoint_modify.b); | |
306 | break; | |
ba9fe036 KS |
307 | case tracepoint_create: |
308 | vector->tracepoint_create | |
309 | (event->data.tracepoint_create.number); | |
310 | break; | |
311 | case tracepoint_delete: | |
312 | vector->tracepoint_delete | |
313 | (event->data.tracepoint_delete.number); | |
314 | break; | |
315 | case tracepoint_modify: | |
316 | vector->tracepoint_modify | |
317 | (event->data.tracepoint_modify.number); | |
318 | break; | |
67c2c32c KS |
319 | case architecture_changed: |
320 | vector->architecture_changed (); | |
321 | break; | |
afbfc876 | 322 | } |
104c1213 | 323 | delivering_events = event->next; |
b8c9b27d | 324 | xfree (event); |
104c1213 JM |
325 | } |
326 | } | |
327 | ||
328 | void _initialize_gdb_events (void); | |
329 | void | |
330 | _initialize_gdb_events (void) | |
331 | { | |
5d161b24 | 332 | struct cmd_list_element *c; |
104c1213 JM |
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; | |
ba9fe036 KS |
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; | |
67c2c32c | 339 | queue_event_hooks.architecture_changed = queue_architecture_changed; |
5d161b24 | 340 | |
85c07804 AC |
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."), | |
346 | NULL, | |
920d2a44 | 347 | show_gdb_events_debug, |
85c07804 | 348 | &setdebuglist, &showdebuglist); |
104c1213 | 349 | } |