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104c1213 JM |
1 | #!/bin/sh |
2 | ||
3 | # User Interface Events. | |
9564ee9f | 4 | # Copyright 1999, 2000, 2001, 2002, 2004 Free Software Foundation, Inc. |
104c1213 JM |
5 | # |
6 | # Contributed by Cygnus Solutions. | |
7 | # | |
8 | # This file is part of GDB. | |
9 | # | |
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. | |
14 | # | |
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. | |
19 | # | |
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. | |
23 | ||
104c1213 JM |
24 | IFS=: |
25 | ||
26 | read="class returntype function formal actual attrib" | |
27 | ||
28 | function_list () | |
29 | { | |
30 | # category: | |
31 | # # -> disable | |
32 | # * -> compatibility - pointer variable that is initialized | |
33 | # by set_gdb_events(). | |
34 | # ? -> Predicate and function proper. | |
35 | # f -> always call (must have a void returntype) | |
36 | # return-type | |
37 | # name | |
38 | # formal argument list | |
39 | # actual argument list | |
40 | # attributes | |
41 | # description | |
42 | cat <<EOF | | |
43 | f:void:breakpoint_create:int b:b | |
44 | f:void:breakpoint_delete:int b:b | |
45 | f:void:breakpoint_modify:int b:b | |
ba9fe036 KS |
46 | f:void:tracepoint_create:int number:number |
47 | f:void:tracepoint_delete:int number:number | |
48 | f:void:tracepoint_modify:int number:number | |
67c2c32c | 49 | f:void:architecture_changed:void |
e23792cc | 50 | f:void:target_changed:void |
55970da6 | 51 | f:void:selected_frame_level_changed:int level:level |
28ee05e9 | 52 | f:void:selected_thread_changed:int thread_num:thread_num |
104c1213 JM |
53 | EOF |
54 | grep -v '^#' | |
55 | } | |
56 | ||
57 | copyright () | |
58 | { | |
59 | cat <<EOF | |
60 | /* User Interface Events. | |
349c5d5f | 61 | |
711cc5cd | 62 | Copyright 1999, 2001, 2002, 2004 Free Software Foundation, Inc. |
104c1213 JM |
63 | |
64 | Contributed by Cygnus Solutions. | |
65 | ||
afbfc876 | 66 | This file is part of GDB. |
104c1213 | 67 | |
afbfc876 AC |
68 | This program is free software; you can redistribute it and/or modify |
69 | it under the terms of the GNU General Public License as published by | |
70 | the Free Software Foundation; either version 2 of the License, or | |
71 | (at your option) any later version. | |
104c1213 | 72 | |
afbfc876 AC |
73 | This program is distributed in the hope that it will be useful, |
74 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
75 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
76 | GNU General Public License for more details. | |
104c1213 | 77 | |
afbfc876 AC |
78 | You should have received a copy of the GNU General Public License |
79 | along with this program; if not, write to the Free Software | |
80 | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ | |
104c1213 JM |
81 | |
82 | /* Work in progress */ | |
83 | ||
84 | /* This file was created with the aid of \`\`gdb-events.sh''. | |
85 | ||
86 | The bourn shell script \`\`gdb-events.sh'' creates the files | |
87 | \`\`new-gdb-events.c'' and \`\`new-gdb-events.h and then compares | |
88 | them against the existing \`\`gdb-events.[hc]''. Any differences | |
89 | found being reported. | |
90 | ||
91 | If editing this file, please also run gdb-events.sh and merge any | |
92 | changes into that script. Conversely, when making sweeping changes | |
93 | to this file, modifying gdb-events.sh and using its output may | |
94 | prove easier. */ | |
95 | ||
96 | EOF | |
97 | } | |
98 | ||
99 | # | |
100 | # The .h file | |
101 | # | |
102 | ||
103 | exec > new-gdb-events.h | |
104 | copyright | |
105 | cat <<EOF | |
106 | ||
107 | #ifndef GDB_EVENTS_H | |
108 | #define GDB_EVENTS_H | |
104c1213 JM |
109 | EOF |
110 | ||
111 | # pointer declarations | |
112 | echo "" | |
113 | echo "" | |
114 | cat <<EOF | |
115 | /* COMPAT: pointer variables for old, unconverted events. | |
116 | A call to set_gdb_events() will automatically update these. */ | |
117 | EOF | |
118 | echo "" | |
119 | function_list | while eval read $read | |
120 | do | |
121 | case "${class}" in | |
122 | "*" ) | |
123 | echo "extern ${returntype} (*${function}_event) (${formal})${attrib};" | |
124 | ;; | |
125 | esac | |
126 | done | |
127 | ||
128 | # function typedef's | |
129 | echo "" | |
130 | echo "" | |
131 | cat <<EOF | |
132 | /* Type definition of all hook functions. | |
133 | Recommended pratice is to first declare each hook function using | |
134 | the below ftype and then define it. */ | |
135 | EOF | |
136 | echo "" | |
137 | function_list | while eval read $read | |
138 | do | |
139 | echo "typedef ${returntype} (gdb_events_${function}_ftype) (${formal});" | |
140 | done | |
141 | ||
142 | # gdb_events object | |
143 | echo "" | |
144 | echo "" | |
145 | cat <<EOF | |
146 | /* gdb-events: object. */ | |
147 | EOF | |
148 | echo "" | |
149 | echo "struct gdb_events" | |
150 | echo " {" | |
151 | function_list | while eval read $read | |
152 | do | |
153 | echo " gdb_events_${function}_ftype *${function}${attrib};" | |
154 | done | |
155 | echo " };" | |
156 | ||
157 | # function declarations | |
158 | echo "" | |
159 | echo "" | |
160 | cat <<EOF | |
161 | /* Interface into events functions. | |
c4093a6a JM |
162 | Where a *_p() predicate is present, it must be called before |
163 | calling the hook proper. */ | |
104c1213 JM |
164 | EOF |
165 | function_list | while eval read $read | |
166 | do | |
167 | case "${class}" in | |
168 | "*" ) continue ;; | |
169 | "?" ) | |
170 | echo "extern int ${function}_p (void);" | |
171 | echo "extern ${returntype} ${function}_event (${formal})${attrib};" | |
172 | ;; | |
173 | "f" ) | |
174 | echo "extern ${returntype} ${function}_event (${formal})${attrib};" | |
175 | ;; | |
176 | esac | |
177 | done | |
178 | ||
104c1213 JM |
179 | # our set function |
180 | cat <<EOF | |
181 | ||
182 | /* Install custom gdb-events hooks. */ | |
ed9a39eb | 183 | extern struct gdb_events *set_gdb_event_hooks (struct gdb_events *vector); |
104c1213 JM |
184 | |
185 | /* Deliver any pending events. */ | |
186 | extern void gdb_events_deliver (struct gdb_events *vector); | |
187 | ||
63d022e0 KS |
188 | /* Clear event handlers */ |
189 | extern void clear_gdb_event_hooks (void); | |
104c1213 JM |
190 | EOF |
191 | ||
192 | # close it off | |
193 | echo "" | |
194 | echo "#endif" | |
195 | exec 1>&2 | |
196 | #../move-if-change new-gdb-events.h gdb-events.h | |
9e791099 | 197 | if test -r gdb-events.h |
104c1213 | 198 | then |
9e791099 KS |
199 | diff -c gdb-events.h new-gdb-events.h |
200 | if [ $? = 1 ] | |
201 | then | |
202 | echo "gdb-events.h changed? cp new-gdb-events.h gdb-events.h" 1>&2 | |
203 | fi | |
204 | else | |
104c1213 | 205 | echo "File missing? mv new-gdb-events.h gdb-events.h" 1>&2 |
104c1213 JM |
206 | fi |
207 | ||
208 | ||
209 | ||
210 | # | |
211 | # C file | |
212 | # | |
213 | ||
214 | exec > new-gdb-events.c | |
215 | copyright | |
216 | cat <<EOF | |
217 | ||
218 | #include "defs.h" | |
219 | #include "gdb-events.h" | |
220 | #include "gdbcmd.h" | |
221 | ||
104c1213 JM |
222 | static struct gdb_events null_event_hooks; |
223 | static struct gdb_events queue_event_hooks; | |
224 | static struct gdb_events *current_event_hooks = &null_event_hooks; | |
104c1213 JM |
225 | |
226 | int gdb_events_debug; | |
227 | EOF | |
228 | ||
104c1213 | 229 | # function bodies |
104c1213 JM |
230 | function_list | while eval read $read |
231 | do | |
232 | case "${class}" in | |
233 | "*" ) continue ;; | |
234 | "?" ) | |
9e791099 KS |
235 | cat <<EOF |
236 | ||
237 | int | |
238 | ${function}_event_p (${formal}) | |
239 | { | |
240 | return current_event_hooks->${function}; | |
241 | } | |
242 | ||
243 | ${returntype} | |
244 | ${function}_event (${formal}) | |
245 | { | |
246 | return current_events->${function} (${actual}); | |
247 | } | |
248 | EOF | |
104c1213 JM |
249 | ;; |
250 | "f" ) | |
9e791099 KS |
251 | cat <<EOF |
252 | ||
253 | void | |
254 | ${function}_event (${formal}) | |
255 | { | |
256 | if (gdb_events_debug) | |
8c6ee715 | 257 | fprintf_unfiltered (gdb_stdlog, "${function}_event\n"); |
9e791099 KS |
258 | if (!current_event_hooks->${function}) |
259 | return; | |
260 | current_event_hooks->${function} (${actual}); | |
261 | } | |
262 | EOF | |
104c1213 JM |
263 | ;; |
264 | esac | |
265 | done | |
104c1213 JM |
266 | |
267 | # Set hooks function | |
268 | echo "" | |
269 | cat <<EOF | |
ed9a39eb | 270 | struct gdb_events * |
104c1213 JM |
271 | set_gdb_event_hooks (struct gdb_events *vector) |
272 | { | |
ed9a39eb | 273 | struct gdb_events *old_events = current_event_hooks; |
104c1213 JM |
274 | if (vector == NULL) |
275 | current_event_hooks = &queue_event_hooks; | |
276 | else | |
277 | current_event_hooks = vector; | |
ed9a39eb | 278 | return old_events; |
104c1213 JM |
279 | EOF |
280 | function_list | while eval read $read | |
281 | do | |
282 | case "${class}" in | |
283 | "*" ) | |
284 | echo " ${function}_event = hooks->${function};" | |
285 | ;; | |
286 | esac | |
287 | done | |
288 | cat <<EOF | |
289 | } | |
104c1213 JM |
290 | EOF |
291 | ||
63d022e0 KS |
292 | # Clear hooks function |
293 | echo "" | |
294 | cat <<EOF | |
63d022e0 KS |
295 | void |
296 | clear_gdb_event_hooks (void) | |
297 | { | |
298 | set_gdb_event_hooks (&null_event_hooks); | |
299 | } | |
63d022e0 KS |
300 | EOF |
301 | ||
104c1213 JM |
302 | # event type |
303 | echo "" | |
304 | cat <<EOF | |
305 | enum gdb_event | |
afbfc876 | 306 | { |
104c1213 JM |
307 | EOF |
308 | function_list | while eval read $read | |
309 | do | |
310 | case "${class}" in | |
311 | "f" ) | |
afbfc876 | 312 | echo " ${function}," |
104c1213 JM |
313 | ;; |
314 | esac | |
315 | done | |
316 | cat <<EOF | |
afbfc876 AC |
317 | nr_gdb_events |
318 | }; | |
104c1213 JM |
319 | EOF |
320 | ||
321 | # event data | |
322 | echo "" | |
323 | function_list | while eval read $read | |
324 | do | |
325 | case "${class}" in | |
326 | "f" ) | |
fd969be2 KS |
327 | if test ${actual} |
328 | then | |
329 | echo "struct ${function}" | |
330 | echo " {" | |
331 | echo " `echo ${formal} | tr '[,]' '[;]'`;" | |
332 | echo " };" | |
333 | echo "" | |
334 | fi | |
104c1213 JM |
335 | ;; |
336 | esac | |
337 | done | |
338 | ||
339 | # event queue | |
340 | cat <<EOF | |
341 | struct event | |
342 | { | |
343 | enum gdb_event type; | |
344 | struct event *next; | |
345 | union | |
346 | { | |
347 | EOF | |
348 | function_list | while eval read $read | |
349 | do | |
350 | case "${class}" in | |
351 | "f" ) | |
fd969be2 KS |
352 | if test ${actual} |
353 | then | |
354 | echo " struct ${function} ${function};" | |
355 | fi | |
104c1213 JM |
356 | ;; |
357 | esac | |
358 | done | |
359 | cat <<EOF | |
360 | } | |
361 | data; | |
362 | }; | |
363 | struct event *pending_events; | |
364 | struct event *delivering_events; | |
365 | EOF | |
366 | ||
367 | # append | |
368 | echo "" | |
369 | cat <<EOF | |
370 | static void | |
371 | append (struct event *new_event) | |
372 | { | |
373 | struct event **event = &pending_events; | |
374 | while ((*event) != NULL) | |
375 | event = &((*event)->next); | |
376 | (*event) = new_event; | |
377 | (*event)->next = NULL; | |
378 | } | |
379 | EOF | |
380 | ||
381 | # schedule a given event | |
382 | function_list | while eval read $read | |
383 | do | |
384 | case "${class}" in | |
385 | "f" ) | |
386 | echo "" | |
387 | echo "static void" | |
388 | echo "queue_${function} (${formal})" | |
389 | echo "{" | |
390 | echo " struct event *event = XMALLOC (struct event);" | |
391 | echo " event->type = ${function};" | |
9e791099 | 392 | for arg in `echo ${actual} | tr '[,]' '[:]' | tr -d '[ ]'`; do |
104c1213 JM |
393 | echo " event->data.${function}.${arg} = ${arg};" |
394 | done | |
395 | echo " append (event);" | |
396 | echo "}" | |
397 | ;; | |
398 | esac | |
399 | done | |
400 | ||
401 | # deliver | |
402 | echo "" | |
403 | cat <<EOF | |
404 | void | |
405 | gdb_events_deliver (struct gdb_events *vector) | |
406 | { | |
407 | /* Just zap any events left around from last time. */ | |
408 | while (delivering_events != NULL) | |
409 | { | |
410 | struct event *event = delivering_events; | |
411 | delivering_events = event->next; | |
e28f816a | 412 | xfree (event); |
104c1213 JM |
413 | } |
414 | /* Process any pending events. Because one of the deliveries could | |
415 | bail out we move everything off of the pending queue onto an | |
416 | in-progress queue where it can, later, be cleaned up if | |
417 | necessary. */ | |
418 | delivering_events = pending_events; | |
419 | pending_events = NULL; | |
420 | while (delivering_events != NULL) | |
421 | { | |
422 | struct event *event = delivering_events; | |
423 | switch (event->type) | |
424 | { | |
425 | EOF | |
426 | function_list | while eval read $read | |
427 | do | |
428 | case "${class}" in | |
429 | "f" ) | |
430 | echo " case ${function}:" | |
fd969be2 KS |
431 | if test ${actual} |
432 | then | |
433 | echo " vector->${function}" | |
434 | sep=" (" | |
435 | ass="" | |
436 | for arg in `echo ${actual} | tr '[,]' '[:]' | tr -d '[ ]'`; do | |
437 | ass="${ass}${sep}event->data.${function}.${arg}" | |
438 | sep=", | |
439 | " | |
440 | done | |
441 | echo "${ass});" | |
442 | else | |
443 | echo " vector->${function} ();" | |
444 | fi | |
104c1213 JM |
445 | echo " break;" |
446 | ;; | |
447 | esac | |
448 | done | |
449 | cat <<EOF | |
450 | } | |
451 | delivering_events = event->next; | |
e28f816a | 452 | xfree (event); |
104c1213 JM |
453 | } |
454 | } | |
455 | EOF | |
456 | ||
457 | # Finally the initialization | |
458 | echo "" | |
459 | cat <<EOF | |
460 | void _initialize_gdb_events (void); | |
461 | void | |
462 | _initialize_gdb_events (void) | |
463 | { | |
afbfc876 | 464 | struct cmd_list_element *c; |
104c1213 JM |
465 | EOF |
466 | function_list | while eval read $read | |
467 | do | |
468 | case "${class}" in | |
469 | "f" ) | |
470 | echo " queue_event_hooks.${function} = queue_${function};" | |
471 | ;; | |
472 | esac | |
473 | done | |
474 | cat <<EOF | |
afbfc876 AC |
475 | |
476 | c = add_set_cmd ("eventdebug", class_maintenance, var_zinteger, | |
477 | (char *) (&gdb_events_debug), "Set event debugging.\n\\ | |
478 | When non-zero, event/notify debugging is enabled.", &setlist); | |
479 | deprecate_cmd (c, "set debug event"); | |
480 | deprecate_cmd (add_show_from_set (c, &showlist), "show debug event"); | |
481 | ||
482 | add_show_from_set (add_set_cmd ("event", | |
104c1213 JM |
483 | class_maintenance, |
484 | var_zinteger, | |
afbfc876 | 485 | (char *) (&gdb_events_debug), |
104c1213 | 486 | "Set event debugging.\n\\ |
afbfc876 AC |
487 | When non-zero, event/notify debugging is enabled.", &setdebuglist), |
488 | &showdebuglist); | |
104c1213 JM |
489 | } |
490 | EOF | |
491 | ||
492 | # close things off | |
493 | exec 1>&2 | |
494 | #../move-if-change new-gdb-events.c gdb-events.c | |
afbfc876 AC |
495 | # Replace any leading spaces with tabs |
496 | sed < new-gdb-events.c > tmp-gdb-events.c \ | |
497 | -e 's/\( \)* /\1 /g' | |
498 | mv tmp-gdb-events.c new-gdb-events.c | |
499 | # Move if changed? | |
9e791099 | 500 | if test -r gdb-events.c |
104c1213 | 501 | then |
9e791099 KS |
502 | diff -c gdb-events.c new-gdb-events.c |
503 | if [ $? = 1 ] | |
504 | then | |
505 | echo "gdb-events.c changed? cp new-gdb-events.c gdb-events.c" 1>&2 | |
506 | fi | |
507 | else | |
104c1213 | 508 | echo "File missing? mv new-gdb-events.c gdb-events.c" 1>&2 |
104c1213 | 509 | fi |