| 1 | #!/bin/sh |
| 2 | |
| 3 | # User Interface Events. |
| 4 | # Copyright 1999, 2000, 2001, 2002 Free Software Foundation, Inc. |
| 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 | |
| 24 | # |
| 25 | # What happens next: |
| 26 | # |
| 27 | |
| 28 | # The gdb-events.h/gdb-events.c files this script generates are commited |
| 29 | # and published. |
| 30 | |
| 31 | # Any UI module that is installing events is changed so that the |
| 32 | # events are installed using the ``set_gdb_events()'' and |
| 33 | # ``gdb_event_hooks()'' interfaces. There could prove to be an issue |
| 34 | # here with respect to annotate. We might need to accomodate a hook |
| 35 | # stack that allows several ui blocks to install their own events. |
| 36 | |
| 37 | # Each of the variable events (as currently generated) is converted |
| 38 | # to either a straight function call or a function call with a |
| 39 | # predicate. |
| 40 | |
| 41 | |
| 42 | IFS=: |
| 43 | |
| 44 | read="class returntype function formal actual attrib" |
| 45 | |
| 46 | function_list () |
| 47 | { |
| 48 | # category: |
| 49 | # # -> disable |
| 50 | # * -> compatibility - pointer variable that is initialized |
| 51 | # by set_gdb_events(). |
| 52 | # ? -> Predicate and function proper. |
| 53 | # f -> always call (must have a void returntype) |
| 54 | # return-type |
| 55 | # name |
| 56 | # formal argument list |
| 57 | # actual argument list |
| 58 | # attributes |
| 59 | # description |
| 60 | cat <<EOF | |
| 61 | f:void:breakpoint_create:int b:b |
| 62 | f:void:breakpoint_delete:int b:b |
| 63 | f:void:breakpoint_modify:int b:b |
| 64 | f:void:tracepoint_create:int number:number |
| 65 | f:void:tracepoint_delete:int number:number |
| 66 | f:void:tracepoint_modify:int number:number |
| 67 | f:void:architecture_changed:void |
| 68 | f:void:target_changed:void |
| 69 | f:void:selected_frame_level_changed:int level:level |
| 70 | f:void:selected_thread_changed:int thread_num:thread_num |
| 71 | #*:void:annotate_starting_hook:void |
| 72 | #*:void:annotate_stopped_hook:void |
| 73 | #*:void:annotate_signalled_hook:void |
| 74 | #*:void:annotate_signal_hook:void |
| 75 | #*:void:annotate_exited_hook:void |
| 76 | ##*:void:print_register_hook:int |
| 77 | ##*:CORE_ADDR:find_toc_address_hook:CORE_ADDR |
| 78 | ##*:void:sparc_print_register_hook:int regno:regno |
| 79 | #*:void:target_resume_hook:void |
| 80 | #*:void:target_wait_loop_hook:void |
| 81 | #*:void:init_gdb_hook:char *argv0:argv0 |
| 82 | #*:void:command_loop_hook:void |
| 83 | #*:void:fputs_unfiltered_hook:const char *linebuff,struct ui_file *stream:linebuff, stream |
| 84 | #*:void:print_frame_info_listing_hook:struct symtab *s, int line, int stopline, int noerror:s, line, stopline, noerror |
| 85 | #*:int:query_hook:const char *query, va_list args:query, args |
| 86 | #*:void:warning_hook:const char *string, va_list args:string, args |
| 87 | #*:void:target_output_hook:char *b:b |
| 88 | #*:void:interactive_hook:void |
| 89 | #*:void:registers_changed_hook:void |
| 90 | #*:void:readline_begin_hook:char *format, ...:format |
| 91 | #*:char *:readline_hook:char *prompt:prompt |
| 92 | #*:void:readline_end_hook:void |
| 93 | #*:int:target_wait_hook:int pid, struct target_waitstatus *status:pid, status |
| 94 | #*:void:call_command_hook:struct cmd_list_element *c, char *cmd, int from_tty:c, cmd, from_tty |
| 95 | #*:NORETURN void:error_hook:void:: ATTR_NORETURN |
| 96 | #*:void:error_begin_hook:void |
| 97 | ##*:int:target_architecture_hook:const struct bfd_arch_info * |
| 98 | #*:void:exec_file_display_hook:char *filename:filename |
| 99 | #*:void:file_changed_hook:char *filename:filename |
| 100 | ##*:void:specify_exec_file_hook: |
| 101 | #*:int:gdb_load_progress_hook:char *section, unsigned long num:section, num |
| 102 | #*:void:pre_add_symbol_hook:char *name:name |
| 103 | #*:void:post_add_symbol_hook:void |
| 104 | #*:void:selected_frame_level_changed_hook:int level:level |
| 105 | #*:int:gdb_loop_hook:int signo:signo |
| 106 | ##*:void:solib_create_inferior_hook:void |
| 107 | ##*:void:xcoff_relocate_symtab_hook:unsigned int |
| 108 | EOF |
| 109 | grep -v '^#' |
| 110 | } |
| 111 | |
| 112 | copyright () |
| 113 | { |
| 114 | cat <<EOF |
| 115 | /* User Interface Events. |
| 116 | |
| 117 | Copyright 1999, 2001, 2002 Free Software Foundation, Inc. |
| 118 | |
| 119 | Contributed by Cygnus Solutions. |
| 120 | |
| 121 | This file is part of GDB. |
| 122 | |
| 123 | This program is free software; you can redistribute it and/or modify |
| 124 | it under the terms of the GNU General Public License as published by |
| 125 | the Free Software Foundation; either version 2 of the License, or |
| 126 | (at your option) any later version. |
| 127 | |
| 128 | This program is distributed in the hope that it will be useful, |
| 129 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 130 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 131 | GNU General Public License for more details. |
| 132 | |
| 133 | You should have received a copy of the GNU General Public License |
| 134 | along with this program; if not, write to the Free Software |
| 135 | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ |
| 136 | |
| 137 | /* Work in progress */ |
| 138 | |
| 139 | /* This file was created with the aid of \`\`gdb-events.sh''. |
| 140 | |
| 141 | The bourn shell script \`\`gdb-events.sh'' creates the files |
| 142 | \`\`new-gdb-events.c'' and \`\`new-gdb-events.h and then compares |
| 143 | them against the existing \`\`gdb-events.[hc]''. Any differences |
| 144 | found being reported. |
| 145 | |
| 146 | If editing this file, please also run gdb-events.sh and merge any |
| 147 | changes into that script. Conversely, when making sweeping changes |
| 148 | to this file, modifying gdb-events.sh and using its output may |
| 149 | prove easier. */ |
| 150 | |
| 151 | EOF |
| 152 | } |
| 153 | |
| 154 | # |
| 155 | # The .h file |
| 156 | # |
| 157 | |
| 158 | exec > new-gdb-events.h |
| 159 | copyright |
| 160 | cat <<EOF |
| 161 | |
| 162 | #ifndef GDB_EVENTS_H |
| 163 | #define GDB_EVENTS_H |
| 164 | |
| 165 | #ifndef WITH_GDB_EVENTS |
| 166 | #define WITH_GDB_EVENTS 1 |
| 167 | #endif |
| 168 | EOF |
| 169 | |
| 170 | # pointer declarations |
| 171 | echo "" |
| 172 | echo "" |
| 173 | cat <<EOF |
| 174 | /* COMPAT: pointer variables for old, unconverted events. |
| 175 | A call to set_gdb_events() will automatically update these. */ |
| 176 | EOF |
| 177 | echo "" |
| 178 | function_list | while eval read $read |
| 179 | do |
| 180 | case "${class}" in |
| 181 | "*" ) |
| 182 | echo "extern ${returntype} (*${function}_event) (${formal})${attrib};" |
| 183 | ;; |
| 184 | esac |
| 185 | done |
| 186 | |
| 187 | # function typedef's |
| 188 | echo "" |
| 189 | echo "" |
| 190 | cat <<EOF |
| 191 | /* Type definition of all hook functions. |
| 192 | Recommended pratice is to first declare each hook function using |
| 193 | the below ftype and then define it. */ |
| 194 | EOF |
| 195 | echo "" |
| 196 | function_list | while eval read $read |
| 197 | do |
| 198 | echo "typedef ${returntype} (gdb_events_${function}_ftype) (${formal});" |
| 199 | done |
| 200 | |
| 201 | # gdb_events object |
| 202 | echo "" |
| 203 | echo "" |
| 204 | cat <<EOF |
| 205 | /* gdb-events: object. */ |
| 206 | EOF |
| 207 | echo "" |
| 208 | echo "struct gdb_events" |
| 209 | echo " {" |
| 210 | function_list | while eval read $read |
| 211 | do |
| 212 | echo " gdb_events_${function}_ftype *${function}${attrib};" |
| 213 | done |
| 214 | echo " };" |
| 215 | |
| 216 | # function declarations |
| 217 | echo "" |
| 218 | echo "" |
| 219 | cat <<EOF |
| 220 | /* Interface into events functions. |
| 221 | Where a *_p() predicate is present, it must be called before |
| 222 | calling the hook proper. */ |
| 223 | EOF |
| 224 | function_list | while eval read $read |
| 225 | do |
| 226 | case "${class}" in |
| 227 | "*" ) continue ;; |
| 228 | "?" ) |
| 229 | echo "extern int ${function}_p (void);" |
| 230 | echo "extern ${returntype} ${function}_event (${formal})${attrib};" |
| 231 | ;; |
| 232 | "f" ) |
| 233 | echo "extern ${returntype} ${function}_event (${formal})${attrib};" |
| 234 | ;; |
| 235 | esac |
| 236 | done |
| 237 | |
| 238 | # function macros |
| 239 | echo "" |
| 240 | echo "" |
| 241 | cat <<EOF |
| 242 | /* When GDB_EVENTS are not being used, completly disable them. */ |
| 243 | EOF |
| 244 | echo "" |
| 245 | echo "#if !WITH_GDB_EVENTS" |
| 246 | function_list | while eval read $read |
| 247 | do |
| 248 | case "${class}" in |
| 249 | "*" ) continue ;; |
| 250 | "?" ) |
| 251 | echo "#define ${function}_event_p() 0" |
| 252 | echo "#define ${function}_event(${actual}) 0" |
| 253 | ;; |
| 254 | "f" ) |
| 255 | echo "#define ${function}_event(${actual}) 0" |
| 256 | ;; |
| 257 | esac |
| 258 | done |
| 259 | echo "#endif" |
| 260 | |
| 261 | # our set function |
| 262 | cat <<EOF |
| 263 | |
| 264 | /* Install custom gdb-events hooks. */ |
| 265 | extern struct gdb_events *set_gdb_event_hooks (struct gdb_events *vector); |
| 266 | |
| 267 | /* Deliver any pending events. */ |
| 268 | extern void gdb_events_deliver (struct gdb_events *vector); |
| 269 | |
| 270 | /* Clear event handlers */ |
| 271 | extern void clear_gdb_event_hooks (void); |
| 272 | |
| 273 | #if !WITH_GDB_EVENTS |
| 274 | #define set_gdb_events(x) 0 |
| 275 | #define set_gdb_event_hooks(x) 0 |
| 276 | #define gdb_events_deliver(x) 0 |
| 277 | #endif |
| 278 | EOF |
| 279 | |
| 280 | # close it off |
| 281 | echo "" |
| 282 | echo "#endif" |
| 283 | exec 1>&2 |
| 284 | #../move-if-change new-gdb-events.h gdb-events.h |
| 285 | if test -r gdb-events.h |
| 286 | then |
| 287 | diff -c gdb-events.h new-gdb-events.h |
| 288 | if [ $? = 1 ] |
| 289 | then |
| 290 | echo "gdb-events.h changed? cp new-gdb-events.h gdb-events.h" 1>&2 |
| 291 | fi |
| 292 | else |
| 293 | echo "File missing? mv new-gdb-events.h gdb-events.h" 1>&2 |
| 294 | fi |
| 295 | |
| 296 | |
| 297 | |
| 298 | # |
| 299 | # C file |
| 300 | # |
| 301 | |
| 302 | exec > new-gdb-events.c |
| 303 | copyright |
| 304 | cat <<EOF |
| 305 | |
| 306 | #include "defs.h" |
| 307 | #include "gdb-events.h" |
| 308 | #include "gdbcmd.h" |
| 309 | |
| 310 | #if WITH_GDB_EVENTS |
| 311 | static struct gdb_events null_event_hooks; |
| 312 | static struct gdb_events queue_event_hooks; |
| 313 | static struct gdb_events *current_event_hooks = &null_event_hooks; |
| 314 | #endif |
| 315 | |
| 316 | int gdb_events_debug; |
| 317 | EOF |
| 318 | |
| 319 | # global pointer variables - always have this |
| 320 | #echo "" |
| 321 | #function_list | while eval read $read |
| 322 | #do |
| 323 | # case "${class}" in |
| 324 | # "*" ) |
| 325 | # echo "${returntype} (*${function}_event) (${formal})${attrib} = 0;" |
| 326 | # ;; |
| 327 | # esac |
| 328 | #done |
| 329 | |
| 330 | # function bodies |
| 331 | echo "" |
| 332 | echo "#if WITH_GDB_EVENTS" |
| 333 | function_list | while eval read $read |
| 334 | do |
| 335 | case "${class}" in |
| 336 | "*" ) continue ;; |
| 337 | "?" ) |
| 338 | cat <<EOF |
| 339 | |
| 340 | int |
| 341 | ${function}_event_p (${formal}) |
| 342 | { |
| 343 | return current_event_hooks->${function}; |
| 344 | } |
| 345 | |
| 346 | ${returntype} |
| 347 | ${function}_event (${formal}) |
| 348 | { |
| 349 | return current_events->${function} (${actual}); |
| 350 | } |
| 351 | EOF |
| 352 | ;; |
| 353 | "f" ) |
| 354 | cat <<EOF |
| 355 | |
| 356 | void |
| 357 | ${function}_event (${formal}) |
| 358 | { |
| 359 | if (gdb_events_debug) |
| 360 | fprintf_unfiltered (gdb_stdlog, "${function}_event\n"); |
| 361 | if (!current_event_hooks->${function}) |
| 362 | return; |
| 363 | current_event_hooks->${function} (${actual}); |
| 364 | } |
| 365 | EOF |
| 366 | ;; |
| 367 | esac |
| 368 | done |
| 369 | echo "" |
| 370 | echo "#endif" |
| 371 | |
| 372 | # Set hooks function |
| 373 | echo "" |
| 374 | cat <<EOF |
| 375 | #if WITH_GDB_EVENTS |
| 376 | struct gdb_events * |
| 377 | set_gdb_event_hooks (struct gdb_events *vector) |
| 378 | { |
| 379 | struct gdb_events *old_events = current_event_hooks; |
| 380 | if (vector == NULL) |
| 381 | current_event_hooks = &queue_event_hooks; |
| 382 | else |
| 383 | current_event_hooks = vector; |
| 384 | return old_events; |
| 385 | EOF |
| 386 | function_list | while eval read $read |
| 387 | do |
| 388 | case "${class}" in |
| 389 | "*" ) |
| 390 | echo " ${function}_event = hooks->${function};" |
| 391 | ;; |
| 392 | esac |
| 393 | done |
| 394 | cat <<EOF |
| 395 | } |
| 396 | #endif |
| 397 | EOF |
| 398 | |
| 399 | # Clear hooks function |
| 400 | echo "" |
| 401 | cat <<EOF |
| 402 | #if WITH_GDB_EVENTS |
| 403 | void |
| 404 | clear_gdb_event_hooks (void) |
| 405 | { |
| 406 | set_gdb_event_hooks (&null_event_hooks); |
| 407 | } |
| 408 | #endif |
| 409 | EOF |
| 410 | |
| 411 | # event type |
| 412 | echo "" |
| 413 | cat <<EOF |
| 414 | enum gdb_event |
| 415 | { |
| 416 | EOF |
| 417 | function_list | while eval read $read |
| 418 | do |
| 419 | case "${class}" in |
| 420 | "f" ) |
| 421 | echo " ${function}," |
| 422 | ;; |
| 423 | esac |
| 424 | done |
| 425 | cat <<EOF |
| 426 | nr_gdb_events |
| 427 | }; |
| 428 | EOF |
| 429 | |
| 430 | # event data |
| 431 | echo "" |
| 432 | function_list | while eval read $read |
| 433 | do |
| 434 | case "${class}" in |
| 435 | "f" ) |
| 436 | if test ${actual} |
| 437 | then |
| 438 | echo "struct ${function}" |
| 439 | echo " {" |
| 440 | echo " `echo ${formal} | tr '[,]' '[;]'`;" |
| 441 | echo " };" |
| 442 | echo "" |
| 443 | fi |
| 444 | ;; |
| 445 | esac |
| 446 | done |
| 447 | |
| 448 | # event queue |
| 449 | cat <<EOF |
| 450 | struct event |
| 451 | { |
| 452 | enum gdb_event type; |
| 453 | struct event *next; |
| 454 | union |
| 455 | { |
| 456 | EOF |
| 457 | function_list | while eval read $read |
| 458 | do |
| 459 | case "${class}" in |
| 460 | "f" ) |
| 461 | if test ${actual} |
| 462 | then |
| 463 | echo " struct ${function} ${function};" |
| 464 | fi |
| 465 | ;; |
| 466 | esac |
| 467 | done |
| 468 | cat <<EOF |
| 469 | } |
| 470 | data; |
| 471 | }; |
| 472 | struct event *pending_events; |
| 473 | struct event *delivering_events; |
| 474 | EOF |
| 475 | |
| 476 | # append |
| 477 | echo "" |
| 478 | cat <<EOF |
| 479 | static void |
| 480 | append (struct event *new_event) |
| 481 | { |
| 482 | struct event **event = &pending_events; |
| 483 | while ((*event) != NULL) |
| 484 | event = &((*event)->next); |
| 485 | (*event) = new_event; |
| 486 | (*event)->next = NULL; |
| 487 | } |
| 488 | EOF |
| 489 | |
| 490 | # schedule a given event |
| 491 | function_list | while eval read $read |
| 492 | do |
| 493 | case "${class}" in |
| 494 | "f" ) |
| 495 | echo "" |
| 496 | echo "static void" |
| 497 | echo "queue_${function} (${formal})" |
| 498 | echo "{" |
| 499 | echo " struct event *event = XMALLOC (struct event);" |
| 500 | echo " event->type = ${function};" |
| 501 | for arg in `echo ${actual} | tr '[,]' '[:]' | tr -d '[ ]'`; do |
| 502 | echo " event->data.${function}.${arg} = ${arg};" |
| 503 | done |
| 504 | echo " append (event);" |
| 505 | echo "}" |
| 506 | ;; |
| 507 | esac |
| 508 | done |
| 509 | |
| 510 | # deliver |
| 511 | echo "" |
| 512 | cat <<EOF |
| 513 | void |
| 514 | gdb_events_deliver (struct gdb_events *vector) |
| 515 | { |
| 516 | /* Just zap any events left around from last time. */ |
| 517 | while (delivering_events != NULL) |
| 518 | { |
| 519 | struct event *event = delivering_events; |
| 520 | delivering_events = event->next; |
| 521 | xfree (event); |
| 522 | } |
| 523 | /* Process any pending events. Because one of the deliveries could |
| 524 | bail out we move everything off of the pending queue onto an |
| 525 | in-progress queue where it can, later, be cleaned up if |
| 526 | necessary. */ |
| 527 | delivering_events = pending_events; |
| 528 | pending_events = NULL; |
| 529 | while (delivering_events != NULL) |
| 530 | { |
| 531 | struct event *event = delivering_events; |
| 532 | switch (event->type) |
| 533 | { |
| 534 | EOF |
| 535 | function_list | while eval read $read |
| 536 | do |
| 537 | case "${class}" in |
| 538 | "f" ) |
| 539 | echo " case ${function}:" |
| 540 | if test ${actual} |
| 541 | then |
| 542 | echo " vector->${function}" |
| 543 | sep=" (" |
| 544 | ass="" |
| 545 | for arg in `echo ${actual} | tr '[,]' '[:]' | tr -d '[ ]'`; do |
| 546 | ass="${ass}${sep}event->data.${function}.${arg}" |
| 547 | sep=", |
| 548 | " |
| 549 | done |
| 550 | echo "${ass});" |
| 551 | else |
| 552 | echo " vector->${function} ();" |
| 553 | fi |
| 554 | echo " break;" |
| 555 | ;; |
| 556 | esac |
| 557 | done |
| 558 | cat <<EOF |
| 559 | } |
| 560 | delivering_events = event->next; |
| 561 | xfree (event); |
| 562 | } |
| 563 | } |
| 564 | EOF |
| 565 | |
| 566 | # Finally the initialization |
| 567 | echo "" |
| 568 | cat <<EOF |
| 569 | void _initialize_gdb_events (void); |
| 570 | void |
| 571 | _initialize_gdb_events (void) |
| 572 | { |
| 573 | struct cmd_list_element *c; |
| 574 | #if WITH_GDB_EVENTS |
| 575 | EOF |
| 576 | function_list | while eval read $read |
| 577 | do |
| 578 | case "${class}" in |
| 579 | "f" ) |
| 580 | echo " queue_event_hooks.${function} = queue_${function};" |
| 581 | ;; |
| 582 | esac |
| 583 | done |
| 584 | cat <<EOF |
| 585 | #endif |
| 586 | |
| 587 | c = add_set_cmd ("eventdebug", class_maintenance, var_zinteger, |
| 588 | (char *) (&gdb_events_debug), "Set event debugging.\n\\ |
| 589 | When non-zero, event/notify debugging is enabled.", &setlist); |
| 590 | deprecate_cmd (c, "set debug event"); |
| 591 | deprecate_cmd (add_show_from_set (c, &showlist), "show debug event"); |
| 592 | |
| 593 | add_show_from_set (add_set_cmd ("event", |
| 594 | class_maintenance, |
| 595 | var_zinteger, |
| 596 | (char *) (&gdb_events_debug), |
| 597 | "Set event debugging.\n\\ |
| 598 | When non-zero, event/notify debugging is enabled.", &setdebuglist), |
| 599 | &showdebuglist); |
| 600 | } |
| 601 | EOF |
| 602 | |
| 603 | # close things off |
| 604 | exec 1>&2 |
| 605 | #../move-if-change new-gdb-events.c gdb-events.c |
| 606 | # Replace any leading spaces with tabs |
| 607 | sed < new-gdb-events.c > tmp-gdb-events.c \ |
| 608 | -e 's/\( \)* /\1 /g' |
| 609 | mv tmp-gdb-events.c new-gdb-events.c |
| 610 | # Move if changed? |
| 611 | if test -r gdb-events.c |
| 612 | then |
| 613 | diff -c gdb-events.c new-gdb-events.c |
| 614 | if [ $? = 1 ] |
| 615 | then |
| 616 | echo "gdb-events.c changed? cp new-gdb-events.c gdb-events.c" 1>&2 |
| 617 | fi |
| 618 | else |
| 619 | echo "File missing? mv new-gdb-events.c gdb-events.c" 1>&2 |
| 620 | fi |