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