| 1 | /* MI Interpreter Definitions and Commands for GDB, the GNU debugger. |
| 2 | |
| 3 | Copyright (C) 2002-2017 Free Software Foundation, Inc. |
| 4 | |
| 5 | This file is part of GDB. |
| 6 | |
| 7 | This program is free software; you can redistribute it and/or modify |
| 8 | it under the terms of the GNU General Public License as published by |
| 9 | the Free Software Foundation; either version 3 of the License, or |
| 10 | (at your option) any later version. |
| 11 | |
| 12 | This program is distributed in the hope that it will be useful, |
| 13 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 15 | GNU General Public License for more details. |
| 16 | |
| 17 | You should have received a copy of the GNU General Public License |
| 18 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
| 19 | |
| 20 | #include "defs.h" |
| 21 | #include "interps.h" |
| 22 | #include "event-top.h" |
| 23 | #include "event-loop.h" |
| 24 | #include "inferior.h" |
| 25 | #include "infrun.h" |
| 26 | #include "ui-out.h" |
| 27 | #include "top.h" |
| 28 | #include "mi-main.h" |
| 29 | #include "mi-cmds.h" |
| 30 | #include "mi-out.h" |
| 31 | #include "mi-console.h" |
| 32 | #include "mi-common.h" |
| 33 | #include "observer.h" |
| 34 | #include "gdbthread.h" |
| 35 | #include "solist.h" |
| 36 | #include "gdb.h" |
| 37 | #include "objfiles.h" |
| 38 | #include "tracepoint.h" |
| 39 | #include "cli-out.h" |
| 40 | #include "thread-fsm.h" |
| 41 | #include "cli/cli-interp.h" |
| 42 | |
| 43 | /* These are the interpreter setup, etc. functions for the MI |
| 44 | interpreter. */ |
| 45 | |
| 46 | static void mi_execute_command_wrapper (const char *cmd); |
| 47 | static void mi_execute_command_input_handler (char *cmd); |
| 48 | |
| 49 | /* These are hooks that we put in place while doing interpreter_exec |
| 50 | so we can report interesting things that happened "behind the MI's |
| 51 | back" in this command. */ |
| 52 | |
| 53 | static int mi_interp_query_hook (const char *ctlstr, va_list ap) |
| 54 | ATTRIBUTE_PRINTF (1, 0); |
| 55 | |
| 56 | static void mi_insert_notify_hooks (void); |
| 57 | static void mi_remove_notify_hooks (void); |
| 58 | |
| 59 | static void mi_on_signal_received (enum gdb_signal siggnal); |
| 60 | static void mi_on_end_stepping_range (void); |
| 61 | static void mi_on_signal_exited (enum gdb_signal siggnal); |
| 62 | static void mi_on_exited (int exitstatus); |
| 63 | static void mi_on_normal_stop (struct bpstats *bs, int print_frame); |
| 64 | static void mi_on_no_history (void); |
| 65 | |
| 66 | static void mi_new_thread (struct thread_info *t); |
| 67 | static void mi_thread_exit (struct thread_info *t, int silent); |
| 68 | static void mi_record_changed (struct inferior*, int, const char *, |
| 69 | const char *); |
| 70 | static void mi_inferior_added (struct inferior *inf); |
| 71 | static void mi_inferior_appeared (struct inferior *inf); |
| 72 | static void mi_inferior_exit (struct inferior *inf); |
| 73 | static void mi_inferior_removed (struct inferior *inf); |
| 74 | static void mi_on_resume (ptid_t ptid); |
| 75 | static void mi_solib_loaded (struct so_list *solib); |
| 76 | static void mi_solib_unloaded (struct so_list *solib); |
| 77 | static void mi_about_to_proceed (void); |
| 78 | static void mi_traceframe_changed (int tfnum, int tpnum); |
| 79 | static void mi_tsv_created (const struct trace_state_variable *tsv); |
| 80 | static void mi_tsv_deleted (const struct trace_state_variable *tsv); |
| 81 | static void mi_tsv_modified (const struct trace_state_variable *tsv); |
| 82 | static void mi_breakpoint_created (struct breakpoint *b); |
| 83 | static void mi_breakpoint_deleted (struct breakpoint *b); |
| 84 | static void mi_breakpoint_modified (struct breakpoint *b); |
| 85 | static void mi_command_param_changed (const char *param, const char *value); |
| 86 | static void mi_memory_changed (struct inferior *inf, CORE_ADDR memaddr, |
| 87 | ssize_t len, const bfd_byte *myaddr); |
| 88 | static void mi_on_sync_execution_done (void); |
| 89 | |
| 90 | static int report_initial_inferior (struct inferior *inf, void *closure); |
| 91 | |
| 92 | /* Display the MI prompt. */ |
| 93 | |
| 94 | static void |
| 95 | display_mi_prompt (struct mi_interp *mi) |
| 96 | { |
| 97 | struct ui *ui = current_ui; |
| 98 | |
| 99 | fputs_unfiltered ("(gdb) \n", mi->raw_stdout); |
| 100 | gdb_flush (mi->raw_stdout); |
| 101 | ui->prompt_state = PROMPTED; |
| 102 | } |
| 103 | |
| 104 | /* Returns the INTERP's data cast as mi_interp if INTERP is an MI, and |
| 105 | returns NULL otherwise. */ |
| 106 | |
| 107 | static struct mi_interp * |
| 108 | as_mi_interp (struct interp *interp) |
| 109 | { |
| 110 | if (interp_ui_out (interp)->is_mi_like_p ()) |
| 111 | return (struct mi_interp *) interp; |
| 112 | return NULL; |
| 113 | } |
| 114 | |
| 115 | void |
| 116 | mi_interp::init (bool top_level) |
| 117 | { |
| 118 | mi_interp *mi = this; |
| 119 | const char *name; |
| 120 | int mi_version; |
| 121 | |
| 122 | /* Store the current output channel, so that we can create a console |
| 123 | channel that encapsulates and prefixes all gdb_output-type bits |
| 124 | coming from the rest of the debugger. */ |
| 125 | mi->raw_stdout = gdb_stdout; |
| 126 | |
| 127 | /* Create MI console channels, each with a different prefix so they |
| 128 | can be distinguished. */ |
| 129 | mi->out = new mi_console_file (mi->raw_stdout, "~", '"'); |
| 130 | mi->err = new mi_console_file (mi->raw_stdout, "&", '"'); |
| 131 | mi->log = mi->err; |
| 132 | mi->targ = new mi_console_file (mi->raw_stdout, "@", '"'); |
| 133 | mi->event_channel = new mi_console_file (mi->raw_stdout, "=", 0); |
| 134 | |
| 135 | name = interp_name (this); |
| 136 | /* INTERP_MI selects the most recent released version. "mi2" was |
| 137 | released as part of GDB 6.0. */ |
| 138 | if (strcmp (name, INTERP_MI) == 0) |
| 139 | mi_version = 2; |
| 140 | else if (strcmp (name, INTERP_MI1) == 0) |
| 141 | mi_version = 1; |
| 142 | else if (strcmp (name, INTERP_MI2) == 0) |
| 143 | mi_version = 2; |
| 144 | else if (strcmp (name, INTERP_MI3) == 0) |
| 145 | mi_version = 3; |
| 146 | else |
| 147 | gdb_assert_not_reached ("unhandled MI version"); |
| 148 | |
| 149 | mi->mi_uiout = mi_out_new (mi_version); |
| 150 | mi->cli_uiout = cli_out_new (mi->out); |
| 151 | |
| 152 | if (top_level) |
| 153 | { |
| 154 | /* The initial inferior is created before this function is |
| 155 | called, so we need to report it explicitly. Use iteration in |
| 156 | case future version of GDB creates more than one inferior |
| 157 | up-front. */ |
| 158 | iterate_over_inferiors (report_initial_inferior, mi); |
| 159 | } |
| 160 | } |
| 161 | |
| 162 | void |
| 163 | mi_interp::resume () |
| 164 | { |
| 165 | struct mi_interp *mi = this; |
| 166 | struct ui *ui = current_ui; |
| 167 | |
| 168 | /* As per hack note in mi_interpreter_init, swap in the output |
| 169 | channels... */ |
| 170 | gdb_setup_readline (0); |
| 171 | |
| 172 | ui->call_readline = gdb_readline_no_editing_callback; |
| 173 | ui->input_handler = mi_execute_command_input_handler; |
| 174 | |
| 175 | gdb_stdout = mi->out; |
| 176 | /* Route error and log output through the MI. */ |
| 177 | gdb_stderr = mi->err; |
| 178 | gdb_stdlog = mi->log; |
| 179 | /* Route target output through the MI. */ |
| 180 | gdb_stdtarg = mi->targ; |
| 181 | /* Route target error through the MI as well. */ |
| 182 | gdb_stdtargerr = mi->targ; |
| 183 | |
| 184 | /* Replace all the hooks that we know about. There really needs to |
| 185 | be a better way of doing this... */ |
| 186 | clear_interpreter_hooks (); |
| 187 | |
| 188 | deprecated_show_load_progress = mi_load_progress; |
| 189 | } |
| 190 | |
| 191 | void |
| 192 | mi_interp::suspend () |
| 193 | { |
| 194 | gdb_disable_readline (); |
| 195 | } |
| 196 | |
| 197 | gdb_exception |
| 198 | mi_interp::exec (const char *command) |
| 199 | { |
| 200 | mi_execute_command_wrapper (command); |
| 201 | return exception_none; |
| 202 | } |
| 203 | |
| 204 | void |
| 205 | mi_cmd_interpreter_exec (char *command, char **argv, int argc) |
| 206 | { |
| 207 | struct interp *interp_to_use; |
| 208 | int i; |
| 209 | char *mi_error_message = NULL; |
| 210 | struct cleanup *old_chain; |
| 211 | |
| 212 | if (argc < 2) |
| 213 | error (_("-interpreter-exec: " |
| 214 | "Usage: -interpreter-exec interp command")); |
| 215 | |
| 216 | interp_to_use = interp_lookup (current_ui, argv[0]); |
| 217 | if (interp_to_use == NULL) |
| 218 | error (_("-interpreter-exec: could not find interpreter \"%s\""), |
| 219 | argv[0]); |
| 220 | |
| 221 | /* Note that unlike the CLI version of this command, we don't |
| 222 | actually set INTERP_TO_USE as the current interpreter, as we |
| 223 | still want gdb_stdout, etc. to point at MI streams. */ |
| 224 | |
| 225 | /* Insert the MI out hooks, making sure to also call the |
| 226 | interpreter's hooks if it has any. */ |
| 227 | /* KRS: We shouldn't need this... Events should be installed and |
| 228 | they should just ALWAYS fire something out down the MI |
| 229 | channel. */ |
| 230 | mi_insert_notify_hooks (); |
| 231 | |
| 232 | /* Now run the code. */ |
| 233 | |
| 234 | old_chain = make_cleanup (null_cleanup, 0); |
| 235 | for (i = 1; i < argc; i++) |
| 236 | { |
| 237 | struct gdb_exception e = interp_exec (interp_to_use, argv[i]); |
| 238 | |
| 239 | if (e.reason < 0) |
| 240 | { |
| 241 | mi_error_message = xstrdup (e.message); |
| 242 | make_cleanup (xfree, mi_error_message); |
| 243 | break; |
| 244 | } |
| 245 | } |
| 246 | |
| 247 | mi_remove_notify_hooks (); |
| 248 | |
| 249 | if (mi_error_message != NULL) |
| 250 | error ("%s", mi_error_message); |
| 251 | do_cleanups (old_chain); |
| 252 | } |
| 253 | |
| 254 | /* This inserts a number of hooks that are meant to produce |
| 255 | async-notify ("=") MI messages while running commands in another |
| 256 | interpreter using mi_interpreter_exec. The canonical use for this |
| 257 | is to allow access to the gdb CLI interpreter from within the MI, |
| 258 | while still producing MI style output when actions in the CLI |
| 259 | command change GDB's state. */ |
| 260 | |
| 261 | static void |
| 262 | mi_insert_notify_hooks (void) |
| 263 | { |
| 264 | deprecated_query_hook = mi_interp_query_hook; |
| 265 | } |
| 266 | |
| 267 | static void |
| 268 | mi_remove_notify_hooks (void) |
| 269 | { |
| 270 | deprecated_query_hook = NULL; |
| 271 | } |
| 272 | |
| 273 | static int |
| 274 | mi_interp_query_hook (const char *ctlstr, va_list ap) |
| 275 | { |
| 276 | return 1; |
| 277 | } |
| 278 | |
| 279 | static void |
| 280 | mi_execute_command_wrapper (const char *cmd) |
| 281 | { |
| 282 | struct ui *ui = current_ui; |
| 283 | |
| 284 | mi_execute_command (cmd, ui->instream == ui->stdin_stream); |
| 285 | } |
| 286 | |
| 287 | /* Observer for the synchronous_command_done notification. */ |
| 288 | |
| 289 | static void |
| 290 | mi_on_sync_execution_done (void) |
| 291 | { |
| 292 | struct ui *ui = current_ui; |
| 293 | struct mi_interp *mi = as_mi_interp (top_level_interpreter ()); |
| 294 | |
| 295 | if (mi == NULL) |
| 296 | return; |
| 297 | |
| 298 | /* If MI is sync, then output the MI prompt now, indicating we're |
| 299 | ready for further input. */ |
| 300 | if (!mi_async_p ()) |
| 301 | display_mi_prompt (mi); |
| 302 | } |
| 303 | |
| 304 | /* mi_execute_command_wrapper wrapper suitable for INPUT_HANDLER. */ |
| 305 | |
| 306 | static void |
| 307 | mi_execute_command_input_handler (char *cmd) |
| 308 | { |
| 309 | struct mi_interp *mi = as_mi_interp (top_level_interpreter ()); |
| 310 | struct ui *ui = current_ui; |
| 311 | |
| 312 | ui->prompt_state = PROMPT_NEEDED; |
| 313 | |
| 314 | mi_execute_command_wrapper (cmd); |
| 315 | |
| 316 | /* Print a prompt, indicating we're ready for further input, unless |
| 317 | we just started a synchronous command. In that case, we're about |
| 318 | to go back to the event loop and will output the prompt in the |
| 319 | 'synchronous_command_done' observer when the target next |
| 320 | stops. */ |
| 321 | if (ui->prompt_state == PROMPT_NEEDED) |
| 322 | display_mi_prompt (mi); |
| 323 | } |
| 324 | |
| 325 | void |
| 326 | mi_interp::pre_command_loop () |
| 327 | { |
| 328 | struct mi_interp *mi = this; |
| 329 | |
| 330 | /* Turn off 8 bit strings in quoted output. Any character with the |
| 331 | high bit set is printed using C's octal format. */ |
| 332 | sevenbit_strings = 1; |
| 333 | |
| 334 | /* Tell the world that we're alive. */ |
| 335 | display_mi_prompt (mi); |
| 336 | } |
| 337 | |
| 338 | static void |
| 339 | mi_new_thread (struct thread_info *t) |
| 340 | { |
| 341 | struct inferior *inf = find_inferior_ptid (t->ptid); |
| 342 | |
| 343 | gdb_assert (inf); |
| 344 | |
| 345 | SWITCH_THRU_ALL_UIS () |
| 346 | { |
| 347 | struct mi_interp *mi = as_mi_interp (top_level_interpreter ()); |
| 348 | struct cleanup *old_chain; |
| 349 | |
| 350 | if (mi == NULL) |
| 351 | continue; |
| 352 | |
| 353 | old_chain = make_cleanup_restore_target_terminal (); |
| 354 | target_terminal_ours_for_output (); |
| 355 | |
| 356 | fprintf_unfiltered (mi->event_channel, |
| 357 | "thread-created,id=\"%d\",group-id=\"i%d\"", |
| 358 | t->global_num, inf->num); |
| 359 | gdb_flush (mi->event_channel); |
| 360 | |
| 361 | do_cleanups (old_chain); |
| 362 | } |
| 363 | } |
| 364 | |
| 365 | static void |
| 366 | mi_thread_exit (struct thread_info *t, int silent) |
| 367 | { |
| 368 | if (silent) |
| 369 | return; |
| 370 | |
| 371 | SWITCH_THRU_ALL_UIS () |
| 372 | { |
| 373 | struct mi_interp *mi = as_mi_interp (top_level_interpreter ()); |
| 374 | struct cleanup *old_chain; |
| 375 | |
| 376 | if (mi == NULL) |
| 377 | continue; |
| 378 | |
| 379 | old_chain = make_cleanup_restore_target_terminal (); |
| 380 | target_terminal_ours_for_output (); |
| 381 | fprintf_unfiltered (mi->event_channel, |
| 382 | "thread-exited,id=\"%d\",group-id=\"i%d\"", |
| 383 | t->global_num, t->inf->num); |
| 384 | gdb_flush (mi->event_channel); |
| 385 | |
| 386 | do_cleanups (old_chain); |
| 387 | } |
| 388 | } |
| 389 | |
| 390 | /* Emit notification on changing the state of record. */ |
| 391 | |
| 392 | static void |
| 393 | mi_record_changed (struct inferior *inferior, int started, const char *method, |
| 394 | const char *format) |
| 395 | { |
| 396 | SWITCH_THRU_ALL_UIS () |
| 397 | { |
| 398 | struct mi_interp *mi = as_mi_interp (top_level_interpreter ()); |
| 399 | struct cleanup *old_chain; |
| 400 | |
| 401 | if (mi == NULL) |
| 402 | continue; |
| 403 | |
| 404 | old_chain = make_cleanup_restore_target_terminal (); |
| 405 | target_terminal_ours_for_output (); |
| 406 | |
| 407 | if (started) |
| 408 | { |
| 409 | if (format != NULL) |
| 410 | { |
| 411 | fprintf_unfiltered (mi->event_channel, |
| 412 | "record-started,thread-group=\"i%d\"," |
| 413 | "method=\"%s\",format=\"%s\"", |
| 414 | inferior->num, method, format); |
| 415 | } |
| 416 | else |
| 417 | { |
| 418 | fprintf_unfiltered (mi->event_channel, |
| 419 | "record-started,thread-group=\"i%d\"," |
| 420 | "method=\"%s\"", |
| 421 | inferior->num, method); |
| 422 | } |
| 423 | } |
| 424 | else |
| 425 | { |
| 426 | fprintf_unfiltered (mi->event_channel, |
| 427 | "record-stopped,thread-group=\"i%d\"", |
| 428 | inferior->num); |
| 429 | } |
| 430 | |
| 431 | gdb_flush (mi->event_channel); |
| 432 | |
| 433 | do_cleanups (old_chain); |
| 434 | } |
| 435 | } |
| 436 | |
| 437 | static void |
| 438 | mi_inferior_added (struct inferior *inf) |
| 439 | { |
| 440 | SWITCH_THRU_ALL_UIS () |
| 441 | { |
| 442 | struct interp *interp; |
| 443 | struct mi_interp *mi; |
| 444 | struct cleanup *old_chain; |
| 445 | |
| 446 | /* We'll be called once for the initial inferior, before the top |
| 447 | level interpreter is set. */ |
| 448 | interp = top_level_interpreter (); |
| 449 | if (interp == NULL) |
| 450 | continue; |
| 451 | |
| 452 | mi = as_mi_interp (interp); |
| 453 | if (mi == NULL) |
| 454 | continue; |
| 455 | |
| 456 | old_chain = make_cleanup_restore_target_terminal (); |
| 457 | target_terminal_ours_for_output (); |
| 458 | |
| 459 | fprintf_unfiltered (mi->event_channel, |
| 460 | "thread-group-added,id=\"i%d\"", |
| 461 | inf->num); |
| 462 | gdb_flush (mi->event_channel); |
| 463 | |
| 464 | do_cleanups (old_chain); |
| 465 | } |
| 466 | } |
| 467 | |
| 468 | static void |
| 469 | mi_inferior_appeared (struct inferior *inf) |
| 470 | { |
| 471 | SWITCH_THRU_ALL_UIS () |
| 472 | { |
| 473 | struct mi_interp *mi = as_mi_interp (top_level_interpreter ()); |
| 474 | struct cleanup *old_chain; |
| 475 | |
| 476 | if (mi == NULL) |
| 477 | continue; |
| 478 | |
| 479 | old_chain = make_cleanup_restore_target_terminal (); |
| 480 | target_terminal_ours_for_output (); |
| 481 | |
| 482 | fprintf_unfiltered (mi->event_channel, |
| 483 | "thread-group-started,id=\"i%d\",pid=\"%d\"", |
| 484 | inf->num, inf->pid); |
| 485 | gdb_flush (mi->event_channel); |
| 486 | do_cleanups (old_chain); |
| 487 | } |
| 488 | } |
| 489 | |
| 490 | static void |
| 491 | mi_inferior_exit (struct inferior *inf) |
| 492 | { |
| 493 | SWITCH_THRU_ALL_UIS () |
| 494 | { |
| 495 | struct mi_interp *mi = as_mi_interp (top_level_interpreter ()); |
| 496 | struct cleanup *old_chain; |
| 497 | |
| 498 | if (mi == NULL) |
| 499 | continue; |
| 500 | |
| 501 | old_chain = make_cleanup_restore_target_terminal (); |
| 502 | target_terminal_ours_for_output (); |
| 503 | |
| 504 | if (inf->has_exit_code) |
| 505 | fprintf_unfiltered (mi->event_channel, |
| 506 | "thread-group-exited,id=\"i%d\",exit-code=\"%s\"", |
| 507 | inf->num, int_string (inf->exit_code, 8, 0, 0, 1)); |
| 508 | else |
| 509 | fprintf_unfiltered (mi->event_channel, |
| 510 | "thread-group-exited,id=\"i%d\"", inf->num); |
| 511 | |
| 512 | gdb_flush (mi->event_channel); |
| 513 | do_cleanups (old_chain); |
| 514 | } |
| 515 | } |
| 516 | |
| 517 | static void |
| 518 | mi_inferior_removed (struct inferior *inf) |
| 519 | { |
| 520 | SWITCH_THRU_ALL_UIS () |
| 521 | { |
| 522 | struct mi_interp *mi = as_mi_interp (top_level_interpreter ()); |
| 523 | struct cleanup *old_chain; |
| 524 | |
| 525 | if (mi == NULL) |
| 526 | continue; |
| 527 | |
| 528 | old_chain = make_cleanup_restore_target_terminal (); |
| 529 | target_terminal_ours_for_output (); |
| 530 | |
| 531 | fprintf_unfiltered (mi->event_channel, |
| 532 | "thread-group-removed,id=\"i%d\"", |
| 533 | inf->num); |
| 534 | gdb_flush (mi->event_channel); |
| 535 | |
| 536 | do_cleanups (old_chain); |
| 537 | } |
| 538 | } |
| 539 | |
| 540 | /* Return the MI interpreter, if it is active -- either because it's |
| 541 | the top-level interpreter or the interpreter executing the current |
| 542 | command. Returns NULL if the MI interpreter is not being used. */ |
| 543 | |
| 544 | static struct mi_interp * |
| 545 | find_mi_interp (void) |
| 546 | { |
| 547 | struct mi_interp *mi; |
| 548 | |
| 549 | mi = as_mi_interp (top_level_interpreter ()); |
| 550 | if (mi != NULL) |
| 551 | return mi; |
| 552 | |
| 553 | mi = as_mi_interp (command_interp ()); |
| 554 | if (mi != NULL) |
| 555 | return mi; |
| 556 | |
| 557 | return NULL; |
| 558 | } |
| 559 | |
| 560 | /* Observers for several run control events that print why the |
| 561 | inferior has stopped to both the the MI event channel and to the MI |
| 562 | console. If the MI interpreter is not active, print nothing. */ |
| 563 | |
| 564 | /* Observer for the signal_received notification. */ |
| 565 | |
| 566 | static void |
| 567 | mi_on_signal_received (enum gdb_signal siggnal) |
| 568 | { |
| 569 | SWITCH_THRU_ALL_UIS () |
| 570 | { |
| 571 | struct mi_interp *mi = find_mi_interp (); |
| 572 | |
| 573 | if (mi == NULL) |
| 574 | continue; |
| 575 | |
| 576 | print_signal_received_reason (mi->mi_uiout, siggnal); |
| 577 | print_signal_received_reason (mi->cli_uiout, siggnal); |
| 578 | } |
| 579 | } |
| 580 | |
| 581 | /* Observer for the end_stepping_range notification. */ |
| 582 | |
| 583 | static void |
| 584 | mi_on_end_stepping_range (void) |
| 585 | { |
| 586 | SWITCH_THRU_ALL_UIS () |
| 587 | { |
| 588 | struct mi_interp *mi = find_mi_interp (); |
| 589 | |
| 590 | if (mi == NULL) |
| 591 | continue; |
| 592 | |
| 593 | print_end_stepping_range_reason (mi->mi_uiout); |
| 594 | print_end_stepping_range_reason (mi->cli_uiout); |
| 595 | } |
| 596 | } |
| 597 | |
| 598 | /* Observer for the signal_exited notification. */ |
| 599 | |
| 600 | static void |
| 601 | mi_on_signal_exited (enum gdb_signal siggnal) |
| 602 | { |
| 603 | SWITCH_THRU_ALL_UIS () |
| 604 | { |
| 605 | struct mi_interp *mi = find_mi_interp (); |
| 606 | |
| 607 | if (mi == NULL) |
| 608 | continue; |
| 609 | |
| 610 | print_signal_exited_reason (mi->mi_uiout, siggnal); |
| 611 | print_signal_exited_reason (mi->cli_uiout, siggnal); |
| 612 | } |
| 613 | } |
| 614 | |
| 615 | /* Observer for the exited notification. */ |
| 616 | |
| 617 | static void |
| 618 | mi_on_exited (int exitstatus) |
| 619 | { |
| 620 | SWITCH_THRU_ALL_UIS () |
| 621 | { |
| 622 | struct mi_interp *mi = find_mi_interp (); |
| 623 | |
| 624 | if (mi == NULL) |
| 625 | continue; |
| 626 | |
| 627 | print_exited_reason (mi->mi_uiout, exitstatus); |
| 628 | print_exited_reason (mi->cli_uiout, exitstatus); |
| 629 | } |
| 630 | } |
| 631 | |
| 632 | /* Observer for the no_history notification. */ |
| 633 | |
| 634 | static void |
| 635 | mi_on_no_history (void) |
| 636 | { |
| 637 | SWITCH_THRU_ALL_UIS () |
| 638 | { |
| 639 | struct mi_interp *mi = find_mi_interp (); |
| 640 | |
| 641 | if (mi == NULL) |
| 642 | continue; |
| 643 | |
| 644 | print_no_history_reason (mi->mi_uiout); |
| 645 | print_no_history_reason (mi->cli_uiout); |
| 646 | } |
| 647 | } |
| 648 | |
| 649 | static void |
| 650 | mi_on_normal_stop_1 (struct bpstats *bs, int print_frame) |
| 651 | { |
| 652 | /* Since this can be called when CLI command is executing, |
| 653 | using cli interpreter, be sure to use MI uiout for output, |
| 654 | not the current one. */ |
| 655 | struct ui_out *mi_uiout = interp_ui_out (top_level_interpreter ()); |
| 656 | struct mi_interp *mi = (struct mi_interp *) top_level_interpreter (); |
| 657 | |
| 658 | if (print_frame) |
| 659 | { |
| 660 | struct thread_info *tp; |
| 661 | int core; |
| 662 | struct interp *console_interp; |
| 663 | |
| 664 | tp = inferior_thread (); |
| 665 | |
| 666 | if (tp->thread_fsm != NULL |
| 667 | && thread_fsm_finished_p (tp->thread_fsm)) |
| 668 | { |
| 669 | enum async_reply_reason reason; |
| 670 | |
| 671 | reason = thread_fsm_async_reply_reason (tp->thread_fsm); |
| 672 | mi_uiout->field_string ("reason", async_reason_lookup (reason)); |
| 673 | } |
| 674 | print_stop_event (mi_uiout); |
| 675 | |
| 676 | console_interp = interp_lookup (current_ui, INTERP_CONSOLE); |
| 677 | if (should_print_stop_to_console (console_interp, tp)) |
| 678 | print_stop_event (mi->cli_uiout); |
| 679 | |
| 680 | mi_uiout->field_int ("thread-id", tp->global_num); |
| 681 | if (non_stop) |
| 682 | { |
| 683 | struct cleanup *back_to = make_cleanup_ui_out_list_begin_end |
| 684 | (mi_uiout, "stopped-threads"); |
| 685 | |
| 686 | mi_uiout->field_int (NULL, tp->global_num); |
| 687 | do_cleanups (back_to); |
| 688 | } |
| 689 | else |
| 690 | mi_uiout->field_string ("stopped-threads", "all"); |
| 691 | |
| 692 | core = target_core_of_thread (inferior_ptid); |
| 693 | if (core != -1) |
| 694 | mi_uiout->field_int ("core", core); |
| 695 | } |
| 696 | |
| 697 | fputs_unfiltered ("*stopped", mi->raw_stdout); |
| 698 | mi_out_put (mi_uiout, mi->raw_stdout); |
| 699 | mi_out_rewind (mi_uiout); |
| 700 | mi_print_timing_maybe (mi->raw_stdout); |
| 701 | fputs_unfiltered ("\n", mi->raw_stdout); |
| 702 | gdb_flush (mi->raw_stdout); |
| 703 | } |
| 704 | |
| 705 | static void |
| 706 | mi_on_normal_stop (struct bpstats *bs, int print_frame) |
| 707 | { |
| 708 | SWITCH_THRU_ALL_UIS () |
| 709 | { |
| 710 | if (as_mi_interp (top_level_interpreter ()) == NULL) |
| 711 | continue; |
| 712 | |
| 713 | mi_on_normal_stop_1 (bs, print_frame); |
| 714 | } |
| 715 | } |
| 716 | |
| 717 | static void |
| 718 | mi_about_to_proceed (void) |
| 719 | { |
| 720 | /* Suppress output while calling an inferior function. */ |
| 721 | |
| 722 | if (!ptid_equal (inferior_ptid, null_ptid)) |
| 723 | { |
| 724 | struct thread_info *tp = inferior_thread (); |
| 725 | |
| 726 | if (tp->control.in_infcall) |
| 727 | return; |
| 728 | } |
| 729 | |
| 730 | mi_proceeded = 1; |
| 731 | } |
| 732 | |
| 733 | /* When the element is non-zero, no MI notifications will be emitted in |
| 734 | response to the corresponding observers. */ |
| 735 | |
| 736 | struct mi_suppress_notification mi_suppress_notification = |
| 737 | { |
| 738 | 0, |
| 739 | 0, |
| 740 | 0, |
| 741 | 0, |
| 742 | }; |
| 743 | |
| 744 | /* Emit notification on changing a traceframe. */ |
| 745 | |
| 746 | static void |
| 747 | mi_traceframe_changed (int tfnum, int tpnum) |
| 748 | { |
| 749 | if (mi_suppress_notification.traceframe) |
| 750 | return; |
| 751 | |
| 752 | SWITCH_THRU_ALL_UIS () |
| 753 | { |
| 754 | struct mi_interp *mi = as_mi_interp (top_level_interpreter ()); |
| 755 | struct cleanup *old_chain; |
| 756 | |
| 757 | if (mi == NULL) |
| 758 | continue; |
| 759 | |
| 760 | old_chain = make_cleanup_restore_target_terminal (); |
| 761 | target_terminal_ours_for_output (); |
| 762 | |
| 763 | if (tfnum >= 0) |
| 764 | fprintf_unfiltered (mi->event_channel, "traceframe-changed," |
| 765 | "num=\"%d\",tracepoint=\"%d\"\n", |
| 766 | tfnum, tpnum); |
| 767 | else |
| 768 | fprintf_unfiltered (mi->event_channel, "traceframe-changed,end"); |
| 769 | |
| 770 | gdb_flush (mi->event_channel); |
| 771 | |
| 772 | do_cleanups (old_chain); |
| 773 | } |
| 774 | } |
| 775 | |
| 776 | /* Emit notification on creating a trace state variable. */ |
| 777 | |
| 778 | static void |
| 779 | mi_tsv_created (const struct trace_state_variable *tsv) |
| 780 | { |
| 781 | SWITCH_THRU_ALL_UIS () |
| 782 | { |
| 783 | struct mi_interp *mi = as_mi_interp (top_level_interpreter ()); |
| 784 | struct cleanup *old_chain; |
| 785 | |
| 786 | if (mi == NULL) |
| 787 | continue; |
| 788 | |
| 789 | old_chain = make_cleanup_restore_target_terminal (); |
| 790 | target_terminal_ours_for_output (); |
| 791 | |
| 792 | fprintf_unfiltered (mi->event_channel, "tsv-created," |
| 793 | "name=\"%s\",initial=\"%s\"\n", |
| 794 | tsv->name, plongest (tsv->initial_value)); |
| 795 | |
| 796 | gdb_flush (mi->event_channel); |
| 797 | |
| 798 | do_cleanups (old_chain); |
| 799 | } |
| 800 | } |
| 801 | |
| 802 | /* Emit notification on deleting a trace state variable. */ |
| 803 | |
| 804 | static void |
| 805 | mi_tsv_deleted (const struct trace_state_variable *tsv) |
| 806 | { |
| 807 | SWITCH_THRU_ALL_UIS () |
| 808 | { |
| 809 | struct mi_interp *mi = as_mi_interp (top_level_interpreter ()); |
| 810 | struct cleanup *old_chain; |
| 811 | |
| 812 | if (mi == NULL) |
| 813 | continue; |
| 814 | |
| 815 | old_chain = make_cleanup_restore_target_terminal (); |
| 816 | target_terminal_ours_for_output (); |
| 817 | |
| 818 | if (tsv != NULL) |
| 819 | fprintf_unfiltered (mi->event_channel, "tsv-deleted," |
| 820 | "name=\"%s\"\n", tsv->name); |
| 821 | else |
| 822 | fprintf_unfiltered (mi->event_channel, "tsv-deleted\n"); |
| 823 | |
| 824 | gdb_flush (mi->event_channel); |
| 825 | |
| 826 | do_cleanups (old_chain); |
| 827 | } |
| 828 | } |
| 829 | |
| 830 | /* Emit notification on modifying a trace state variable. */ |
| 831 | |
| 832 | static void |
| 833 | mi_tsv_modified (const struct trace_state_variable *tsv) |
| 834 | { |
| 835 | SWITCH_THRU_ALL_UIS () |
| 836 | { |
| 837 | struct mi_interp *mi = as_mi_interp (top_level_interpreter ()); |
| 838 | struct ui_out *mi_uiout; |
| 839 | struct cleanup *old_chain; |
| 840 | |
| 841 | if (mi == NULL) |
| 842 | continue; |
| 843 | |
| 844 | mi_uiout = interp_ui_out (top_level_interpreter ()); |
| 845 | |
| 846 | old_chain = make_cleanup_restore_target_terminal (); |
| 847 | target_terminal_ours_for_output (); |
| 848 | |
| 849 | fprintf_unfiltered (mi->event_channel, |
| 850 | "tsv-modified"); |
| 851 | |
| 852 | mi_uiout->redirect (mi->event_channel); |
| 853 | |
| 854 | mi_uiout->field_string ("name", tsv->name); |
| 855 | mi_uiout->field_string ("initial", |
| 856 | plongest (tsv->initial_value)); |
| 857 | if (tsv->value_known) |
| 858 | mi_uiout->field_string ("current", plongest (tsv->value)); |
| 859 | |
| 860 | mi_uiout->redirect (NULL); |
| 861 | |
| 862 | gdb_flush (mi->event_channel); |
| 863 | |
| 864 | do_cleanups (old_chain); |
| 865 | } |
| 866 | } |
| 867 | |
| 868 | /* Emit notification about a created breakpoint. */ |
| 869 | |
| 870 | static void |
| 871 | mi_breakpoint_created (struct breakpoint *b) |
| 872 | { |
| 873 | if (mi_suppress_notification.breakpoint) |
| 874 | return; |
| 875 | |
| 876 | if (b->number <= 0) |
| 877 | return; |
| 878 | |
| 879 | SWITCH_THRU_ALL_UIS () |
| 880 | { |
| 881 | struct mi_interp *mi = as_mi_interp (top_level_interpreter ()); |
| 882 | struct ui_out *mi_uiout; |
| 883 | struct cleanup *old_chain; |
| 884 | |
| 885 | if (mi == NULL) |
| 886 | continue; |
| 887 | |
| 888 | mi_uiout = interp_ui_out (top_level_interpreter ()); |
| 889 | |
| 890 | old_chain = make_cleanup_restore_target_terminal (); |
| 891 | target_terminal_ours_for_output (); |
| 892 | |
| 893 | fprintf_unfiltered (mi->event_channel, |
| 894 | "breakpoint-created"); |
| 895 | /* We want the output from gdb_breakpoint_query to go to |
| 896 | mi->event_channel. One approach would be to just call |
| 897 | gdb_breakpoint_query, and then use mi_out_put to send the current |
| 898 | content of mi_uiout into mi->event_channel. However, that will |
| 899 | break if anything is output to mi_uiout prior to calling the |
| 900 | breakpoint_created notifications. So, we use |
| 901 | ui_out_redirect. */ |
| 902 | mi_uiout->redirect (mi->event_channel); |
| 903 | TRY |
| 904 | { |
| 905 | gdb_breakpoint_query (mi_uiout, b->number, NULL); |
| 906 | } |
| 907 | CATCH (e, RETURN_MASK_ERROR) |
| 908 | { |
| 909 | } |
| 910 | END_CATCH |
| 911 | |
| 912 | mi_uiout->redirect (NULL); |
| 913 | |
| 914 | gdb_flush (mi->event_channel); |
| 915 | |
| 916 | do_cleanups (old_chain); |
| 917 | } |
| 918 | } |
| 919 | |
| 920 | /* Emit notification about deleted breakpoint. */ |
| 921 | |
| 922 | static void |
| 923 | mi_breakpoint_deleted (struct breakpoint *b) |
| 924 | { |
| 925 | if (mi_suppress_notification.breakpoint) |
| 926 | return; |
| 927 | |
| 928 | if (b->number <= 0) |
| 929 | return; |
| 930 | |
| 931 | SWITCH_THRU_ALL_UIS () |
| 932 | { |
| 933 | struct mi_interp *mi = as_mi_interp (top_level_interpreter ()); |
| 934 | struct cleanup *old_chain; |
| 935 | |
| 936 | if (mi == NULL) |
| 937 | continue; |
| 938 | |
| 939 | old_chain = make_cleanup_restore_target_terminal (); |
| 940 | target_terminal_ours_for_output (); |
| 941 | |
| 942 | fprintf_unfiltered (mi->event_channel, "breakpoint-deleted,id=\"%d\"", |
| 943 | b->number); |
| 944 | |
| 945 | gdb_flush (mi->event_channel); |
| 946 | |
| 947 | do_cleanups (old_chain); |
| 948 | } |
| 949 | } |
| 950 | |
| 951 | /* Emit notification about modified breakpoint. */ |
| 952 | |
| 953 | static void |
| 954 | mi_breakpoint_modified (struct breakpoint *b) |
| 955 | { |
| 956 | if (mi_suppress_notification.breakpoint) |
| 957 | return; |
| 958 | |
| 959 | if (b->number <= 0) |
| 960 | return; |
| 961 | |
| 962 | SWITCH_THRU_ALL_UIS () |
| 963 | { |
| 964 | struct mi_interp *mi = as_mi_interp (top_level_interpreter ()); |
| 965 | struct cleanup *old_chain; |
| 966 | |
| 967 | if (mi == NULL) |
| 968 | continue; |
| 969 | |
| 970 | old_chain = make_cleanup_restore_target_terminal (); |
| 971 | target_terminal_ours_for_output (); |
| 972 | fprintf_unfiltered (mi->event_channel, |
| 973 | "breakpoint-modified"); |
| 974 | /* We want the output from gdb_breakpoint_query to go to |
| 975 | mi->event_channel. One approach would be to just call |
| 976 | gdb_breakpoint_query, and then use mi_out_put to send the current |
| 977 | content of mi_uiout into mi->event_channel. However, that will |
| 978 | break if anything is output to mi_uiout prior to calling the |
| 979 | breakpoint_created notifications. So, we use |
| 980 | ui_out_redirect. */ |
| 981 | mi->mi_uiout->redirect (mi->event_channel); |
| 982 | TRY |
| 983 | { |
| 984 | gdb_breakpoint_query (mi->mi_uiout, b->number, NULL); |
| 985 | } |
| 986 | CATCH (e, RETURN_MASK_ERROR) |
| 987 | { |
| 988 | } |
| 989 | END_CATCH |
| 990 | |
| 991 | mi->mi_uiout->redirect (NULL); |
| 992 | |
| 993 | gdb_flush (mi->event_channel); |
| 994 | |
| 995 | do_cleanups (old_chain); |
| 996 | } |
| 997 | } |
| 998 | |
| 999 | static int |
| 1000 | mi_output_running_pid (struct thread_info *info, void *arg) |
| 1001 | { |
| 1002 | ptid_t *ptid = (ptid_t *) arg; |
| 1003 | |
| 1004 | SWITCH_THRU_ALL_UIS () |
| 1005 | { |
| 1006 | struct mi_interp *mi = as_mi_interp (top_level_interpreter ()); |
| 1007 | |
| 1008 | if (mi == NULL) |
| 1009 | continue; |
| 1010 | |
| 1011 | if (ptid_get_pid (*ptid) == ptid_get_pid (info->ptid)) |
| 1012 | fprintf_unfiltered (mi->raw_stdout, |
| 1013 | "*running,thread-id=\"%d\"\n", |
| 1014 | info->global_num); |
| 1015 | } |
| 1016 | |
| 1017 | return 0; |
| 1018 | } |
| 1019 | |
| 1020 | static int |
| 1021 | mi_inferior_count (struct inferior *inf, void *arg) |
| 1022 | { |
| 1023 | if (inf->pid != 0) |
| 1024 | { |
| 1025 | int *count_p = (int *) arg; |
| 1026 | (*count_p)++; |
| 1027 | } |
| 1028 | |
| 1029 | return 0; |
| 1030 | } |
| 1031 | |
| 1032 | static void |
| 1033 | mi_on_resume_1 (struct mi_interp *mi, ptid_t ptid) |
| 1034 | { |
| 1035 | /* To cater for older frontends, emit ^running, but do it only once |
| 1036 | per each command. We do it here, since at this point we know |
| 1037 | that the target was successfully resumed, and in non-async mode, |
| 1038 | we won't return back to MI interpreter code until the target |
| 1039 | is done running, so delaying the output of "^running" until then |
| 1040 | will make it impossible for frontend to know what's going on. |
| 1041 | |
| 1042 | In future (MI3), we'll be outputting "^done" here. */ |
| 1043 | if (!running_result_record_printed && mi_proceeded) |
| 1044 | { |
| 1045 | fprintf_unfiltered (mi->raw_stdout, "%s^running\n", |
| 1046 | current_token ? current_token : ""); |
| 1047 | } |
| 1048 | |
| 1049 | if (ptid_get_pid (ptid) == -1) |
| 1050 | fprintf_unfiltered (mi->raw_stdout, "*running,thread-id=\"all\"\n"); |
| 1051 | else if (ptid_is_pid (ptid)) |
| 1052 | { |
| 1053 | int count = 0; |
| 1054 | |
| 1055 | /* Backwards compatibility. If there's only one inferior, |
| 1056 | output "all", otherwise, output each resumed thread |
| 1057 | individually. */ |
| 1058 | iterate_over_inferiors (mi_inferior_count, &count); |
| 1059 | |
| 1060 | if (count == 1) |
| 1061 | fprintf_unfiltered (mi->raw_stdout, "*running,thread-id=\"all\"\n"); |
| 1062 | else |
| 1063 | iterate_over_threads (mi_output_running_pid, &ptid); |
| 1064 | } |
| 1065 | else |
| 1066 | { |
| 1067 | struct thread_info *ti = find_thread_ptid (ptid); |
| 1068 | |
| 1069 | gdb_assert (ti); |
| 1070 | fprintf_unfiltered (mi->raw_stdout, "*running,thread-id=\"%d\"\n", |
| 1071 | ti->global_num); |
| 1072 | } |
| 1073 | |
| 1074 | if (!running_result_record_printed && mi_proceeded) |
| 1075 | { |
| 1076 | running_result_record_printed = 1; |
| 1077 | /* This is what gdb used to do historically -- printing prompt |
| 1078 | even if it cannot actually accept any input. This will be |
| 1079 | surely removed for MI3, and may be removed even earlier. */ |
| 1080 | if (current_ui->prompt_state == PROMPT_BLOCKED) |
| 1081 | fputs_unfiltered ("(gdb) \n", mi->raw_stdout); |
| 1082 | } |
| 1083 | gdb_flush (mi->raw_stdout); |
| 1084 | } |
| 1085 | |
| 1086 | static void |
| 1087 | mi_on_resume (ptid_t ptid) |
| 1088 | { |
| 1089 | struct thread_info *tp = NULL; |
| 1090 | |
| 1091 | if (ptid_equal (ptid, minus_one_ptid) || ptid_is_pid (ptid)) |
| 1092 | tp = inferior_thread (); |
| 1093 | else |
| 1094 | tp = find_thread_ptid (ptid); |
| 1095 | |
| 1096 | /* Suppress output while calling an inferior function. */ |
| 1097 | if (tp->control.in_infcall) |
| 1098 | return; |
| 1099 | |
| 1100 | SWITCH_THRU_ALL_UIS () |
| 1101 | { |
| 1102 | struct mi_interp *mi = as_mi_interp (top_level_interpreter ()); |
| 1103 | struct cleanup *old_chain; |
| 1104 | |
| 1105 | if (mi == NULL) |
| 1106 | continue; |
| 1107 | |
| 1108 | old_chain = make_cleanup_restore_target_terminal (); |
| 1109 | target_terminal_ours_for_output (); |
| 1110 | |
| 1111 | mi_on_resume_1 (mi, ptid); |
| 1112 | |
| 1113 | do_cleanups (old_chain); |
| 1114 | } |
| 1115 | } |
| 1116 | |
| 1117 | static void |
| 1118 | mi_solib_loaded (struct so_list *solib) |
| 1119 | { |
| 1120 | SWITCH_THRU_ALL_UIS () |
| 1121 | { |
| 1122 | struct mi_interp *mi = as_mi_interp (top_level_interpreter ()); |
| 1123 | struct ui_out *uiout; |
| 1124 | struct cleanup *old_chain; |
| 1125 | |
| 1126 | if (mi == NULL) |
| 1127 | continue; |
| 1128 | |
| 1129 | uiout = interp_ui_out (top_level_interpreter ()); |
| 1130 | |
| 1131 | old_chain = make_cleanup_restore_target_terminal (); |
| 1132 | target_terminal_ours_for_output (); |
| 1133 | |
| 1134 | fprintf_unfiltered (mi->event_channel, "library-loaded"); |
| 1135 | |
| 1136 | uiout->redirect (mi->event_channel); |
| 1137 | |
| 1138 | uiout->field_string ("id", solib->so_original_name); |
| 1139 | uiout->field_string ("target-name", solib->so_original_name); |
| 1140 | uiout->field_string ("host-name", solib->so_name); |
| 1141 | uiout->field_int ("symbols-loaded", solib->symbols_loaded); |
| 1142 | if (!gdbarch_has_global_solist (target_gdbarch ())) |
| 1143 | { |
| 1144 | uiout->field_fmt ("thread-group", "i%d", current_inferior ()->num); |
| 1145 | } |
| 1146 | |
| 1147 | uiout->redirect (NULL); |
| 1148 | |
| 1149 | gdb_flush (mi->event_channel); |
| 1150 | |
| 1151 | do_cleanups (old_chain); |
| 1152 | } |
| 1153 | } |
| 1154 | |
| 1155 | static void |
| 1156 | mi_solib_unloaded (struct so_list *solib) |
| 1157 | { |
| 1158 | SWITCH_THRU_ALL_UIS () |
| 1159 | { |
| 1160 | struct mi_interp *mi = as_mi_interp (top_level_interpreter ()); |
| 1161 | struct ui_out *uiout; |
| 1162 | struct cleanup *old_chain; |
| 1163 | |
| 1164 | if (mi == NULL) |
| 1165 | continue; |
| 1166 | |
| 1167 | uiout = interp_ui_out (top_level_interpreter ()); |
| 1168 | |
| 1169 | old_chain = make_cleanup_restore_target_terminal (); |
| 1170 | target_terminal_ours_for_output (); |
| 1171 | |
| 1172 | fprintf_unfiltered (mi->event_channel, "library-unloaded"); |
| 1173 | |
| 1174 | uiout->redirect (mi->event_channel); |
| 1175 | |
| 1176 | uiout->field_string ("id", solib->so_original_name); |
| 1177 | uiout->field_string ("target-name", solib->so_original_name); |
| 1178 | uiout->field_string ("host-name", solib->so_name); |
| 1179 | if (!gdbarch_has_global_solist (target_gdbarch ())) |
| 1180 | { |
| 1181 | uiout->field_fmt ("thread-group", "i%d", current_inferior ()->num); |
| 1182 | } |
| 1183 | |
| 1184 | uiout->redirect (NULL); |
| 1185 | |
| 1186 | gdb_flush (mi->event_channel); |
| 1187 | |
| 1188 | do_cleanups (old_chain); |
| 1189 | } |
| 1190 | } |
| 1191 | |
| 1192 | /* Emit notification about the command parameter change. */ |
| 1193 | |
| 1194 | static void |
| 1195 | mi_command_param_changed (const char *param, const char *value) |
| 1196 | { |
| 1197 | if (mi_suppress_notification.cmd_param_changed) |
| 1198 | return; |
| 1199 | |
| 1200 | SWITCH_THRU_ALL_UIS () |
| 1201 | { |
| 1202 | struct mi_interp *mi = as_mi_interp (top_level_interpreter ()); |
| 1203 | struct ui_out *mi_uiout; |
| 1204 | struct cleanup *old_chain; |
| 1205 | |
| 1206 | if (mi == NULL) |
| 1207 | continue; |
| 1208 | |
| 1209 | mi_uiout = interp_ui_out (top_level_interpreter ()); |
| 1210 | |
| 1211 | old_chain = make_cleanup_restore_target_terminal (); |
| 1212 | target_terminal_ours_for_output (); |
| 1213 | |
| 1214 | fprintf_unfiltered (mi->event_channel, "cmd-param-changed"); |
| 1215 | |
| 1216 | mi_uiout->redirect (mi->event_channel); |
| 1217 | |
| 1218 | mi_uiout->field_string ("param", param); |
| 1219 | mi_uiout->field_string ("value", value); |
| 1220 | |
| 1221 | mi_uiout->redirect (NULL); |
| 1222 | |
| 1223 | gdb_flush (mi->event_channel); |
| 1224 | |
| 1225 | do_cleanups (old_chain); |
| 1226 | } |
| 1227 | } |
| 1228 | |
| 1229 | /* Emit notification about the target memory change. */ |
| 1230 | |
| 1231 | static void |
| 1232 | mi_memory_changed (struct inferior *inferior, CORE_ADDR memaddr, |
| 1233 | ssize_t len, const bfd_byte *myaddr) |
| 1234 | { |
| 1235 | if (mi_suppress_notification.memory) |
| 1236 | return; |
| 1237 | |
| 1238 | SWITCH_THRU_ALL_UIS () |
| 1239 | { |
| 1240 | struct mi_interp *mi = as_mi_interp (top_level_interpreter ()); |
| 1241 | struct ui_out *mi_uiout; |
| 1242 | struct obj_section *sec; |
| 1243 | struct cleanup *old_chain; |
| 1244 | |
| 1245 | if (mi == NULL) |
| 1246 | continue; |
| 1247 | |
| 1248 | mi_uiout = interp_ui_out (top_level_interpreter ()); |
| 1249 | |
| 1250 | old_chain = make_cleanup_restore_target_terminal (); |
| 1251 | target_terminal_ours_for_output (); |
| 1252 | |
| 1253 | fprintf_unfiltered (mi->event_channel, "memory-changed"); |
| 1254 | |
| 1255 | mi_uiout->redirect (mi->event_channel); |
| 1256 | |
| 1257 | mi_uiout->field_fmt ("thread-group", "i%d", inferior->num); |
| 1258 | mi_uiout->field_core_addr ("addr", target_gdbarch (), memaddr); |
| 1259 | mi_uiout->field_fmt ("len", "%s", hex_string (len)); |
| 1260 | |
| 1261 | /* Append 'type=code' into notification if MEMADDR falls in the range of |
| 1262 | sections contain code. */ |
| 1263 | sec = find_pc_section (memaddr); |
| 1264 | if (sec != NULL && sec->objfile != NULL) |
| 1265 | { |
| 1266 | flagword flags = bfd_get_section_flags (sec->objfile->obfd, |
| 1267 | sec->the_bfd_section); |
| 1268 | |
| 1269 | if (flags & SEC_CODE) |
| 1270 | mi_uiout->field_string ("type", "code"); |
| 1271 | } |
| 1272 | |
| 1273 | mi_uiout->redirect (NULL); |
| 1274 | |
| 1275 | gdb_flush (mi->event_channel); |
| 1276 | |
| 1277 | do_cleanups (old_chain); |
| 1278 | } |
| 1279 | } |
| 1280 | |
| 1281 | /* Emit an event when the selection context (inferior, thread, frame) |
| 1282 | changed. */ |
| 1283 | |
| 1284 | static void |
| 1285 | mi_user_selected_context_changed (user_selected_what selection) |
| 1286 | { |
| 1287 | struct thread_info *tp; |
| 1288 | |
| 1289 | /* Don't send an event if we're responding to an MI command. */ |
| 1290 | if (mi_suppress_notification.user_selected_context) |
| 1291 | return; |
| 1292 | |
| 1293 | tp = find_thread_ptid (inferior_ptid); |
| 1294 | |
| 1295 | SWITCH_THRU_ALL_UIS () |
| 1296 | { |
| 1297 | struct mi_interp *mi = as_mi_interp (top_level_interpreter ()); |
| 1298 | struct ui_out *mi_uiout; |
| 1299 | struct cleanup *old_chain; |
| 1300 | |
| 1301 | if (mi == NULL) |
| 1302 | continue; |
| 1303 | |
| 1304 | mi_uiout = interp_ui_out (top_level_interpreter ()); |
| 1305 | |
| 1306 | mi_uiout->redirect (mi->event_channel); |
| 1307 | |
| 1308 | old_chain = make_cleanup_ui_out_redirect_pop (mi_uiout); |
| 1309 | |
| 1310 | make_cleanup_restore_target_terminal (); |
| 1311 | target_terminal_ours_for_output (); |
| 1312 | |
| 1313 | if (selection & USER_SELECTED_INFERIOR) |
| 1314 | print_selected_inferior (mi->cli_uiout); |
| 1315 | |
| 1316 | if (tp != NULL |
| 1317 | && (selection & (USER_SELECTED_THREAD | USER_SELECTED_FRAME))) |
| 1318 | { |
| 1319 | print_selected_thread_frame (mi->cli_uiout, selection); |
| 1320 | |
| 1321 | fprintf_unfiltered (mi->event_channel, |
| 1322 | "thread-selected,id=\"%d\"", |
| 1323 | tp->global_num); |
| 1324 | |
| 1325 | if (tp->state != THREAD_RUNNING) |
| 1326 | { |
| 1327 | if (has_stack_frames ()) |
| 1328 | print_stack_frame_to_uiout (mi_uiout, get_selected_frame (NULL), |
| 1329 | 1, SRC_AND_LOC, 1); |
| 1330 | } |
| 1331 | } |
| 1332 | |
| 1333 | gdb_flush (mi->event_channel); |
| 1334 | do_cleanups (old_chain); |
| 1335 | } |
| 1336 | } |
| 1337 | |
| 1338 | static int |
| 1339 | report_initial_inferior (struct inferior *inf, void *closure) |
| 1340 | { |
| 1341 | /* This function is called from mi_interpreter_init, and since |
| 1342 | mi_inferior_added assumes that inferior is fully initialized |
| 1343 | and top_level_interpreter_data is set, we cannot call |
| 1344 | it here. */ |
| 1345 | struct mi_interp *mi = (struct mi_interp *) closure; |
| 1346 | struct cleanup *old_chain; |
| 1347 | |
| 1348 | old_chain = make_cleanup_restore_target_terminal (); |
| 1349 | target_terminal_ours_for_output (); |
| 1350 | |
| 1351 | fprintf_unfiltered (mi->event_channel, |
| 1352 | "thread-group-added,id=\"i%d\"", |
| 1353 | inf->num); |
| 1354 | gdb_flush (mi->event_channel); |
| 1355 | |
| 1356 | do_cleanups (old_chain); |
| 1357 | return 0; |
| 1358 | } |
| 1359 | |
| 1360 | ui_out * |
| 1361 | mi_interp::interp_ui_out () |
| 1362 | { |
| 1363 | return this->mi_uiout; |
| 1364 | } |
| 1365 | |
| 1366 | /* Do MI-specific logging actions; save raw_stdout, and change all |
| 1367 | the consoles to use the supplied ui-file(s). */ |
| 1368 | |
| 1369 | void |
| 1370 | mi_interp::set_logging (ui_file_up logfile, bool logging_redirect) |
| 1371 | { |
| 1372 | struct mi_interp *mi = this; |
| 1373 | |
| 1374 | if (logfile != NULL) |
| 1375 | { |
| 1376 | mi->saved_raw_stdout = mi->raw_stdout; |
| 1377 | mi->raw_stdout = make_logging_output (mi->raw_stdout, |
| 1378 | std::move (logfile), |
| 1379 | logging_redirect); |
| 1380 | |
| 1381 | } |
| 1382 | else |
| 1383 | { |
| 1384 | delete mi->raw_stdout; |
| 1385 | mi->raw_stdout = mi->saved_raw_stdout; |
| 1386 | mi->saved_raw_stdout = NULL; |
| 1387 | } |
| 1388 | |
| 1389 | mi->out->set_raw (mi->raw_stdout); |
| 1390 | mi->err->set_raw (mi->raw_stdout); |
| 1391 | mi->log->set_raw (mi->raw_stdout); |
| 1392 | mi->targ->set_raw (mi->raw_stdout); |
| 1393 | mi->event_channel->set_raw (mi->raw_stdout); |
| 1394 | } |
| 1395 | |
| 1396 | /* Factory for MI interpreters. */ |
| 1397 | |
| 1398 | static struct interp * |
| 1399 | mi_interp_factory (const char *name) |
| 1400 | { |
| 1401 | return new mi_interp (name); |
| 1402 | } |
| 1403 | |
| 1404 | extern initialize_file_ftype _initialize_mi_interp; /* -Wmissing-prototypes */ |
| 1405 | |
| 1406 | void |
| 1407 | _initialize_mi_interp (void) |
| 1408 | { |
| 1409 | /* The various interpreter levels. */ |
| 1410 | interp_factory_register (INTERP_MI1, mi_interp_factory); |
| 1411 | interp_factory_register (INTERP_MI2, mi_interp_factory); |
| 1412 | interp_factory_register (INTERP_MI3, mi_interp_factory); |
| 1413 | interp_factory_register (INTERP_MI, mi_interp_factory); |
| 1414 | |
| 1415 | observer_attach_signal_received (mi_on_signal_received); |
| 1416 | observer_attach_end_stepping_range (mi_on_end_stepping_range); |
| 1417 | observer_attach_signal_exited (mi_on_signal_exited); |
| 1418 | observer_attach_exited (mi_on_exited); |
| 1419 | observer_attach_no_history (mi_on_no_history); |
| 1420 | observer_attach_new_thread (mi_new_thread); |
| 1421 | observer_attach_thread_exit (mi_thread_exit); |
| 1422 | observer_attach_inferior_added (mi_inferior_added); |
| 1423 | observer_attach_inferior_appeared (mi_inferior_appeared); |
| 1424 | observer_attach_inferior_exit (mi_inferior_exit); |
| 1425 | observer_attach_inferior_removed (mi_inferior_removed); |
| 1426 | observer_attach_record_changed (mi_record_changed); |
| 1427 | observer_attach_normal_stop (mi_on_normal_stop); |
| 1428 | observer_attach_target_resumed (mi_on_resume); |
| 1429 | observer_attach_solib_loaded (mi_solib_loaded); |
| 1430 | observer_attach_solib_unloaded (mi_solib_unloaded); |
| 1431 | observer_attach_about_to_proceed (mi_about_to_proceed); |
| 1432 | observer_attach_traceframe_changed (mi_traceframe_changed); |
| 1433 | observer_attach_tsv_created (mi_tsv_created); |
| 1434 | observer_attach_tsv_deleted (mi_tsv_deleted); |
| 1435 | observer_attach_tsv_modified (mi_tsv_modified); |
| 1436 | observer_attach_breakpoint_created (mi_breakpoint_created); |
| 1437 | observer_attach_breakpoint_deleted (mi_breakpoint_deleted); |
| 1438 | observer_attach_breakpoint_modified (mi_breakpoint_modified); |
| 1439 | observer_attach_command_param_changed (mi_command_param_changed); |
| 1440 | observer_attach_memory_changed (mi_memory_changed); |
| 1441 | observer_attach_sync_execution_done (mi_on_sync_execution_done); |
| 1442 | observer_attach_user_selected_context_changed |
| 1443 | (mi_user_selected_context_changed); |
| 1444 | } |