| 1 | #!/bin/sh |
| 2 | |
| 3 | # User Interface Events. |
| 4 | # |
| 5 | # Copyright 1999, 2000, 2001, 2002, 2004, 2005 Free Software |
| 6 | # Foundation, Inc. |
| 7 | # |
| 8 | # Contributed by Cygnus Solutions. |
| 9 | # |
| 10 | # This file is part of GDB. |
| 11 | # |
| 12 | # This program is free software; you can redistribute it and/or modify |
| 13 | # it under the terms of the GNU General Public License as published by |
| 14 | # the Free Software Foundation; either version 2 of the License, or |
| 15 | # (at your option) any later version. |
| 16 | # |
| 17 | # This program is distributed in the hope that it will be useful, |
| 18 | # but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 19 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 20 | # GNU General Public License for more details. |
| 21 | # |
| 22 | # You should have received a copy of the GNU General Public License |
| 23 | # along with this program; if not, write to the Free Software |
| 24 | # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, |
| 25 | # USA. |
| 26 | |
| 27 | IFS=: |
| 28 | |
| 29 | read="class returntype function formal actual attrib" |
| 30 | |
| 31 | function_list () |
| 32 | { |
| 33 | # category: |
| 34 | # # -> disable |
| 35 | # * -> compatibility - pointer variable that is initialized |
| 36 | # by set_gdb_events(). |
| 37 | # ? -> Predicate and function proper. |
| 38 | # f -> always call (must have a void returntype) |
| 39 | # return-type |
| 40 | # name |
| 41 | # formal argument list |
| 42 | # actual argument list |
| 43 | # attributes |
| 44 | # description |
| 45 | cat <<EOF | |
| 46 | f:void:breakpoint_create:int b:b |
| 47 | f:void:breakpoint_delete:int b:b |
| 48 | f:void:breakpoint_modify:int b:b |
| 49 | f:void:tracepoint_create:int number:number |
| 50 | f:void:tracepoint_delete:int number:number |
| 51 | f:void:tracepoint_modify:int number:number |
| 52 | f:void:architecture_changed:void |
| 53 | EOF |
| 54 | grep -v '^#' |
| 55 | } |
| 56 | |
| 57 | copyright () |
| 58 | { |
| 59 | cat <<EOF |
| 60 | /* User Interface Events. |
| 61 | |
| 62 | Copyright 1999, 2001, 2002, 2004, 2005 Free Software Foundation, |
| 63 | Inc. |
| 64 | |
| 65 | Contributed by Cygnus Solutions. |
| 66 | |
| 67 | This file is part of GDB. |
| 68 | |
| 69 | This program is free software; you can redistribute it and/or modify |
| 70 | it under the terms of the GNU General Public License as published by |
| 71 | the Free Software Foundation; either version 2 of the License, or |
| 72 | (at your option) any later version. |
| 73 | |
| 74 | This program is distributed in the hope that it will be useful, |
| 75 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 76 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 77 | GNU General Public License for more details. |
| 78 | |
| 79 | You should have received a copy of the GNU General Public License |
| 80 | along with this program; if not, write to the Free Software |
| 81 | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ |
| 82 | |
| 83 | /* Work in progress */ |
| 84 | |
| 85 | /* This file was created with the aid of \`\`gdb-events.sh''. |
| 86 | |
| 87 | The bourn shell script \`\`gdb-events.sh'' creates the files |
| 88 | \`\`new-gdb-events.c'' and \`\`new-gdb-events.h and then compares |
| 89 | them against the existing \`\`gdb-events.[hc]''. Any differences |
| 90 | found being reported. |
| 91 | |
| 92 | If editing this file, please also run gdb-events.sh and merge any |
| 93 | changes into that script. Conversely, when making sweeping changes |
| 94 | to this file, modifying gdb-events.sh and using its output may |
| 95 | prove easier. */ |
| 96 | |
| 97 | EOF |
| 98 | } |
| 99 | |
| 100 | # |
| 101 | # The .h file |
| 102 | # |
| 103 | |
| 104 | exec > new-gdb-events.h |
| 105 | copyright |
| 106 | cat <<EOF |
| 107 | |
| 108 | #ifndef GDB_EVENTS_H |
| 109 | #define GDB_EVENTS_H |
| 110 | EOF |
| 111 | |
| 112 | # pointer declarations |
| 113 | echo "" |
| 114 | echo "" |
| 115 | cat <<EOF |
| 116 | /* COMPAT: pointer variables for old, unconverted events. |
| 117 | A call to set_gdb_events() will automatically update these. */ |
| 118 | EOF |
| 119 | echo "" |
| 120 | function_list | while eval read $read |
| 121 | do |
| 122 | case "${class}" in |
| 123 | "*" ) |
| 124 | echo "extern ${returntype} (*${function}_event) (${formal})${attrib};" |
| 125 | ;; |
| 126 | esac |
| 127 | done |
| 128 | |
| 129 | # function typedef's |
| 130 | echo "" |
| 131 | echo "" |
| 132 | cat <<EOF |
| 133 | /* Type definition of all hook functions. Recommended pratice is to |
| 134 | first declare each hook function using the below ftype and then |
| 135 | define it. */ |
| 136 | EOF |
| 137 | echo "" |
| 138 | function_list | while eval read $read |
| 139 | do |
| 140 | echo "typedef ${returntype} (gdb_events_${function}_ftype) (${formal});" |
| 141 | done |
| 142 | |
| 143 | # gdb_events object |
| 144 | echo "" |
| 145 | echo "" |
| 146 | cat <<EOF |
| 147 | /* gdb-events: object. */ |
| 148 | EOF |
| 149 | echo "" |
| 150 | echo "struct gdb_events" |
| 151 | echo " {" |
| 152 | function_list | while eval read $read |
| 153 | do |
| 154 | echo " gdb_events_${function}_ftype *${function}${attrib};" |
| 155 | done |
| 156 | echo " };" |
| 157 | |
| 158 | # function declarations |
| 159 | echo "" |
| 160 | echo "" |
| 161 | cat <<EOF |
| 162 | /* Interface into events functions. |
| 163 | Where a *_p() predicate is present, it must be called before |
| 164 | calling the hook proper. */ |
| 165 | EOF |
| 166 | function_list | while eval read $read |
| 167 | do |
| 168 | case "${class}" in |
| 169 | "*" ) continue ;; |
| 170 | "?" ) |
| 171 | echo "extern int ${function}_p (void);" |
| 172 | echo "extern ${returntype} ${function}_event (${formal})${attrib};" |
| 173 | ;; |
| 174 | "f" ) |
| 175 | echo "extern ${returntype} ${function}_event (${formal})${attrib};" |
| 176 | ;; |
| 177 | esac |
| 178 | done |
| 179 | |
| 180 | # our set function |
| 181 | cat <<EOF |
| 182 | |
| 183 | /* Install custom gdb-events hooks. */ |
| 184 | extern struct gdb_events *deprecated_set_gdb_event_hooks (struct gdb_events *vector); |
| 185 | |
| 186 | /* Deliver any pending events. */ |
| 187 | extern void gdb_events_deliver (struct gdb_events *vector); |
| 188 | |
| 189 | /* Clear event handlers. */ |
| 190 | extern void clear_gdb_event_hooks (void); |
| 191 | EOF |
| 192 | |
| 193 | # close it off |
| 194 | echo "" |
| 195 | echo "#endif" |
| 196 | exec 1>&2 |
| 197 | #../move-if-change new-gdb-events.h gdb-events.h |
| 198 | if test -r gdb-events.h |
| 199 | then |
| 200 | diff -c gdb-events.h new-gdb-events.h |
| 201 | if [ $? = 1 ] |
| 202 | then |
| 203 | echo "gdb-events.h changed? cp new-gdb-events.h gdb-events.h" 1>&2 |
| 204 | fi |
| 205 | else |
| 206 | echo "File missing? mv new-gdb-events.h gdb-events.h" 1>&2 |
| 207 | fi |
| 208 | |
| 209 | |
| 210 | |
| 211 | # |
| 212 | # C file |
| 213 | # |
| 214 | |
| 215 | exec > new-gdb-events.c |
| 216 | copyright |
| 217 | cat <<EOF |
| 218 | |
| 219 | #include "defs.h" |
| 220 | #include "gdb-events.h" |
| 221 | #include "gdbcmd.h" |
| 222 | |
| 223 | static struct gdb_events null_event_hooks; |
| 224 | static struct gdb_events queue_event_hooks; |
| 225 | static struct gdb_events *current_event_hooks = &null_event_hooks; |
| 226 | |
| 227 | int gdb_events_debug; |
| 228 | static void |
| 229 | show_gdb_events_debug (struct ui_file *file, int from_tty, |
| 230 | struct cmd_list_element *c, const char *value) |
| 231 | { |
| 232 | fprintf_filtered (file, _("Event debugging is %s.\\n"), value); |
| 233 | } |
| 234 | |
| 235 | EOF |
| 236 | |
| 237 | # function bodies |
| 238 | function_list | while eval read $read |
| 239 | do |
| 240 | case "${class}" in |
| 241 | "*" ) continue ;; |
| 242 | "?" ) |
| 243 | cat <<EOF |
| 244 | |
| 245 | int |
| 246 | ${function}_event_p (${formal}) |
| 247 | { |
| 248 | return current_event_hooks->${function}; |
| 249 | } |
| 250 | |
| 251 | ${returntype} |
| 252 | ${function}_event (${formal}) |
| 253 | { |
| 254 | return current_events->${function} (${actual}); |
| 255 | } |
| 256 | EOF |
| 257 | ;; |
| 258 | "f" ) |
| 259 | cat <<EOF |
| 260 | |
| 261 | void |
| 262 | ${function}_event (${formal}) |
| 263 | { |
| 264 | if (gdb_events_debug) |
| 265 | fprintf_unfiltered (gdb_stdlog, "${function}_event\n"); |
| 266 | if (!current_event_hooks->${function}) |
| 267 | return; |
| 268 | current_event_hooks->${function} (${actual}); |
| 269 | } |
| 270 | EOF |
| 271 | ;; |
| 272 | esac |
| 273 | done |
| 274 | |
| 275 | # Set hooks function |
| 276 | echo "" |
| 277 | cat <<EOF |
| 278 | struct gdb_events * |
| 279 | deprecated_set_gdb_event_hooks (struct gdb_events *vector) |
| 280 | { |
| 281 | struct gdb_events *old_events = current_event_hooks; |
| 282 | if (vector == NULL) |
| 283 | current_event_hooks = &queue_event_hooks; |
| 284 | else |
| 285 | current_event_hooks = vector; |
| 286 | return old_events; |
| 287 | EOF |
| 288 | function_list | while eval read $read |
| 289 | do |
| 290 | case "${class}" in |
| 291 | "*" ) |
| 292 | echo " ${function}_event = hooks->${function};" |
| 293 | ;; |
| 294 | esac |
| 295 | done |
| 296 | cat <<EOF |
| 297 | } |
| 298 | EOF |
| 299 | |
| 300 | # Clear hooks function |
| 301 | echo "" |
| 302 | cat <<EOF |
| 303 | void |
| 304 | clear_gdb_event_hooks (void) |
| 305 | { |
| 306 | deprecated_set_gdb_event_hooks (&null_event_hooks); |
| 307 | } |
| 308 | EOF |
| 309 | |
| 310 | # event type |
| 311 | echo "" |
| 312 | cat <<EOF |
| 313 | enum gdb_event |
| 314 | { |
| 315 | EOF |
| 316 | function_list | while eval read $read |
| 317 | do |
| 318 | case "${class}" in |
| 319 | "f" ) |
| 320 | echo " ${function}," |
| 321 | ;; |
| 322 | esac |
| 323 | done |
| 324 | cat <<EOF |
| 325 | nr_gdb_events |
| 326 | }; |
| 327 | EOF |
| 328 | |
| 329 | # event data |
| 330 | echo "" |
| 331 | function_list | while eval read $read |
| 332 | do |
| 333 | case "${class}" in |
| 334 | "f" ) |
| 335 | if test ${actual} |
| 336 | then |
| 337 | echo "struct ${function}" |
| 338 | echo " {" |
| 339 | echo " `echo ${formal} | tr '[,]' '[;]'`;" |
| 340 | echo " };" |
| 341 | echo "" |
| 342 | fi |
| 343 | ;; |
| 344 | esac |
| 345 | done |
| 346 | |
| 347 | # event queue |
| 348 | cat <<EOF |
| 349 | struct event |
| 350 | { |
| 351 | enum gdb_event type; |
| 352 | struct event *next; |
| 353 | union |
| 354 | { |
| 355 | EOF |
| 356 | function_list | while eval read $read |
| 357 | do |
| 358 | case "${class}" in |
| 359 | "f" ) |
| 360 | if test ${actual} |
| 361 | then |
| 362 | echo " struct ${function} ${function};" |
| 363 | fi |
| 364 | ;; |
| 365 | esac |
| 366 | done |
| 367 | cat <<EOF |
| 368 | } |
| 369 | data; |
| 370 | }; |
| 371 | struct event *pending_events; |
| 372 | struct event *delivering_events; |
| 373 | EOF |
| 374 | |
| 375 | # append |
| 376 | echo "" |
| 377 | cat <<EOF |
| 378 | static void |
| 379 | append (struct event *new_event) |
| 380 | { |
| 381 | struct event **event = &pending_events; |
| 382 | while ((*event) != NULL) |
| 383 | event = &((*event)->next); |
| 384 | (*event) = new_event; |
| 385 | (*event)->next = NULL; |
| 386 | } |
| 387 | EOF |
| 388 | |
| 389 | # schedule a given event |
| 390 | function_list | while eval read $read |
| 391 | do |
| 392 | case "${class}" in |
| 393 | "f" ) |
| 394 | echo "" |
| 395 | echo "static void" |
| 396 | echo "queue_${function} (${formal})" |
| 397 | echo "{" |
| 398 | echo " struct event *event = XMALLOC (struct event);" |
| 399 | echo " event->type = ${function};" |
| 400 | for arg in `echo ${actual} | tr '[,]' '[:]' | tr -d '[ ]'`; do |
| 401 | echo " event->data.${function}.${arg} = ${arg};" |
| 402 | done |
| 403 | echo " append (event);" |
| 404 | echo "}" |
| 405 | ;; |
| 406 | esac |
| 407 | done |
| 408 | |
| 409 | # deliver |
| 410 | echo "" |
| 411 | cat <<EOF |
| 412 | void |
| 413 | gdb_events_deliver (struct gdb_events *vector) |
| 414 | { |
| 415 | /* Just zap any events left around from last time. */ |
| 416 | while (delivering_events != NULL) |
| 417 | { |
| 418 | struct event *event = delivering_events; |
| 419 | delivering_events = event->next; |
| 420 | xfree (event); |
| 421 | } |
| 422 | /* Process any pending events. Because one of the deliveries could |
| 423 | bail out we move everything off of the pending queue onto an |
| 424 | in-progress queue where it can, later, be cleaned up if |
| 425 | necessary. */ |
| 426 | delivering_events = pending_events; |
| 427 | pending_events = NULL; |
| 428 | while (delivering_events != NULL) |
| 429 | { |
| 430 | struct event *event = delivering_events; |
| 431 | switch (event->type) |
| 432 | { |
| 433 | EOF |
| 434 | function_list | while eval read $read |
| 435 | do |
| 436 | case "${class}" in |
| 437 | "f" ) |
| 438 | echo " case ${function}:" |
| 439 | if test ${actual} |
| 440 | then |
| 441 | echo " vector->${function}" |
| 442 | sep=" (" |
| 443 | ass="" |
| 444 | for arg in `echo ${actual} | tr '[,]' '[:]' | tr -d '[ ]'`; do |
| 445 | ass="${ass}${sep}event->data.${function}.${arg}" |
| 446 | sep=", |
| 447 | " |
| 448 | done |
| 449 | echo "${ass});" |
| 450 | else |
| 451 | echo " vector->${function} ();" |
| 452 | fi |
| 453 | echo " break;" |
| 454 | ;; |
| 455 | esac |
| 456 | done |
| 457 | cat <<EOF |
| 458 | } |
| 459 | delivering_events = event->next; |
| 460 | xfree (event); |
| 461 | } |
| 462 | } |
| 463 | EOF |
| 464 | |
| 465 | # Finally the initialization |
| 466 | echo "" |
| 467 | cat <<EOF |
| 468 | void _initialize_gdb_events (void); |
| 469 | void |
| 470 | _initialize_gdb_events (void) |
| 471 | { |
| 472 | struct cmd_list_element *c; |
| 473 | EOF |
| 474 | function_list | while eval read $read |
| 475 | do |
| 476 | case "${class}" in |
| 477 | "f" ) |
| 478 | echo " queue_event_hooks.${function} = queue_${function};" |
| 479 | ;; |
| 480 | esac |
| 481 | done |
| 482 | cat <<EOF |
| 483 | |
| 484 | add_setshow_zinteger_cmd ("event", class_maintenance, |
| 485 | &gdb_events_debug, _("\\ |
| 486 | Set event debugging."), _("\\ |
| 487 | Show event debugging."), _("\\ |
| 488 | When non-zero, event/notify debugging is enabled."), |
| 489 | NULL, |
| 490 | show_gdb_events_debug, |
| 491 | &setdebuglist, &showdebuglist); |
| 492 | } |
| 493 | EOF |
| 494 | |
| 495 | # close things off |
| 496 | exec 1>&2 |
| 497 | #../move-if-change new-gdb-events.c gdb-events.c |
| 498 | # Replace any leading spaces with tabs |
| 499 | sed < new-gdb-events.c > tmp-gdb-events.c \ |
| 500 | -e 's/\( \)* /\1 /g' |
| 501 | mv tmp-gdb-events.c new-gdb-events.c |
| 502 | # Move if changed? |
| 503 | if test -r gdb-events.c |
| 504 | then |
| 505 | diff -c gdb-events.c new-gdb-events.c |
| 506 | if [ $? = 1 ] |
| 507 | then |
| 508 | echo "gdb-events.c changed? cp new-gdb-events.c gdb-events.c" 1>&2 |
| 509 | fi |
| 510 | else |
| 511 | echo "File missing? mv new-gdb-events.c gdb-events.c" 1>&2 |
| 512 | fi |