| 1 | /* MI Command Set. |
| 2 | |
| 3 | Copyright (C) 2000-2020 Free Software Foundation, Inc. |
| 4 | |
| 5 | Contributed by Cygnus Solutions (a Red Hat company). |
| 6 | |
| 7 | This file is part of GDB. |
| 8 | |
| 9 | This program is free software; you can redistribute it and/or modify |
| 10 | it under the terms of the GNU General Public License as published by |
| 11 | the Free Software Foundation; either version 3 of the License, or |
| 12 | (at your option) any later version. |
| 13 | |
| 14 | This program is distributed in the hope that it will be useful, |
| 15 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 16 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 17 | GNU General Public License for more details. |
| 18 | |
| 19 | You should have received a copy of the GNU General Public License |
| 20 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
| 21 | |
| 22 | #include "defs.h" |
| 23 | #include "arch-utils.h" |
| 24 | #include "target.h" |
| 25 | #include "inferior.h" |
| 26 | #include "infrun.h" |
| 27 | #include "top.h" |
| 28 | #include "gdbthread.h" |
| 29 | #include "mi-cmds.h" |
| 30 | #include "mi-parse.h" |
| 31 | #include "mi-getopt.h" |
| 32 | #include "mi-console.h" |
| 33 | #include "ui-out.h" |
| 34 | #include "mi-out.h" |
| 35 | #include "interps.h" |
| 36 | #include "event-loop.h" |
| 37 | #include "event-top.h" |
| 38 | #include "gdbcore.h" /* For write_memory(). */ |
| 39 | #include "value.h" |
| 40 | #include "regcache.h" |
| 41 | #include "frame.h" |
| 42 | #include "mi-main.h" |
| 43 | #include "mi-common.h" |
| 44 | #include "language.h" |
| 45 | #include "valprint.h" |
| 46 | #include "osdata.h" |
| 47 | #include "gdbsupport/gdb_splay_tree.h" |
| 48 | #include "tracepoint.h" |
| 49 | #include "ada-lang.h" |
| 50 | #include "linespec.h" |
| 51 | #include "extension.h" |
| 52 | #include "gdbcmd.h" |
| 53 | #include "observable.h" |
| 54 | #include "gdbsupport/gdb_optional.h" |
| 55 | #include "gdbsupport/byte-vector.h" |
| 56 | |
| 57 | #include <ctype.h> |
| 58 | #include "gdbsupport/run-time-clock.h" |
| 59 | #include <chrono> |
| 60 | #include "progspace-and-thread.h" |
| 61 | #include "gdbsupport/rsp-low.h" |
| 62 | #include <algorithm> |
| 63 | #include <set> |
| 64 | #include <map> |
| 65 | |
| 66 | enum |
| 67 | { |
| 68 | FROM_TTY = 0 |
| 69 | }; |
| 70 | |
| 71 | int mi_debug_p; |
| 72 | |
| 73 | /* This is used to pass the current command timestamp down to |
| 74 | continuation routines. */ |
| 75 | static struct mi_timestamp *current_command_ts; |
| 76 | |
| 77 | static int do_timings = 0; |
| 78 | |
| 79 | char *current_token; |
| 80 | /* Few commands would like to know if options like --thread-group were |
| 81 | explicitly specified. This variable keeps the current parsed |
| 82 | command including all option, and make it possible. */ |
| 83 | static struct mi_parse *current_context; |
| 84 | |
| 85 | int running_result_record_printed = 1; |
| 86 | |
| 87 | /* Flag indicating that the target has proceeded since the last |
| 88 | command was issued. */ |
| 89 | int mi_proceeded; |
| 90 | |
| 91 | static void mi_cmd_execute (struct mi_parse *parse); |
| 92 | |
| 93 | static void mi_execute_cli_command (const char *cmd, int args_p, |
| 94 | const char *args); |
| 95 | static void mi_execute_async_cli_command (const char *cli_command, |
| 96 | char **argv, int argc); |
| 97 | static bool register_changed_p (int regnum, readonly_detached_regcache *, |
| 98 | readonly_detached_regcache *); |
| 99 | static void output_register (struct frame_info *, int regnum, int format, |
| 100 | int skip_unavailable); |
| 101 | |
| 102 | /* Controls whether the frontend wants MI in async mode. */ |
| 103 | static bool mi_async = false; |
| 104 | |
| 105 | /* The set command writes to this variable. If the inferior is |
| 106 | executing, mi_async is *not* updated. */ |
| 107 | static bool mi_async_1 = false; |
| 108 | |
| 109 | static void |
| 110 | set_mi_async_command (const char *args, int from_tty, |
| 111 | struct cmd_list_element *c) |
| 112 | { |
| 113 | if (have_live_inferiors ()) |
| 114 | { |
| 115 | mi_async_1 = mi_async; |
| 116 | error (_("Cannot change this setting while the inferior is running.")); |
| 117 | } |
| 118 | |
| 119 | mi_async = mi_async_1; |
| 120 | } |
| 121 | |
| 122 | static void |
| 123 | show_mi_async_command (struct ui_file *file, int from_tty, |
| 124 | struct cmd_list_element *c, |
| 125 | const char *value) |
| 126 | { |
| 127 | fprintf_filtered (file, |
| 128 | _("Whether MI is in asynchronous mode is %s.\n"), |
| 129 | value); |
| 130 | } |
| 131 | |
| 132 | /* A wrapper for target_can_async_p that takes the MI setting into |
| 133 | account. */ |
| 134 | |
| 135 | int |
| 136 | mi_async_p (void) |
| 137 | { |
| 138 | return mi_async && target_can_async_p (); |
| 139 | } |
| 140 | |
| 141 | /* Command implementations. FIXME: Is this libgdb? No. This is the MI |
| 142 | layer that calls libgdb. Any operation used in the below should be |
| 143 | formalized. */ |
| 144 | |
| 145 | static void timestamp (struct mi_timestamp *tv); |
| 146 | |
| 147 | static void print_diff (struct ui_file *file, struct mi_timestamp *start, |
| 148 | struct mi_timestamp *end); |
| 149 | |
| 150 | void |
| 151 | mi_cmd_gdb_exit (const char *command, char **argv, int argc) |
| 152 | { |
| 153 | struct mi_interp *mi = (struct mi_interp *) current_interpreter (); |
| 154 | |
| 155 | /* We have to print everything right here because we never return. */ |
| 156 | if (current_token) |
| 157 | fputs_unfiltered (current_token, mi->raw_stdout); |
| 158 | fputs_unfiltered ("^exit\n", mi->raw_stdout); |
| 159 | mi_out_put (current_uiout, mi->raw_stdout); |
| 160 | gdb_flush (mi->raw_stdout); |
| 161 | /* FIXME: The function called is not yet a formal libgdb function. */ |
| 162 | quit_force (NULL, FROM_TTY); |
| 163 | } |
| 164 | |
| 165 | void |
| 166 | mi_cmd_exec_next (const char *command, char **argv, int argc) |
| 167 | { |
| 168 | /* FIXME: Should call a libgdb function, not a cli wrapper. */ |
| 169 | if (argc > 0 && strcmp(argv[0], "--reverse") == 0) |
| 170 | mi_execute_async_cli_command ("reverse-next", argv + 1, argc - 1); |
| 171 | else |
| 172 | mi_execute_async_cli_command ("next", argv, argc); |
| 173 | } |
| 174 | |
| 175 | void |
| 176 | mi_cmd_exec_next_instruction (const char *command, char **argv, int argc) |
| 177 | { |
| 178 | /* FIXME: Should call a libgdb function, not a cli wrapper. */ |
| 179 | if (argc > 0 && strcmp(argv[0], "--reverse") == 0) |
| 180 | mi_execute_async_cli_command ("reverse-nexti", argv + 1, argc - 1); |
| 181 | else |
| 182 | mi_execute_async_cli_command ("nexti", argv, argc); |
| 183 | } |
| 184 | |
| 185 | void |
| 186 | mi_cmd_exec_step (const char *command, char **argv, int argc) |
| 187 | { |
| 188 | /* FIXME: Should call a libgdb function, not a cli wrapper. */ |
| 189 | if (argc > 0 && strcmp(argv[0], "--reverse") == 0) |
| 190 | mi_execute_async_cli_command ("reverse-step", argv + 1, argc - 1); |
| 191 | else |
| 192 | mi_execute_async_cli_command ("step", argv, argc); |
| 193 | } |
| 194 | |
| 195 | void |
| 196 | mi_cmd_exec_step_instruction (const char *command, char **argv, int argc) |
| 197 | { |
| 198 | /* FIXME: Should call a libgdb function, not a cli wrapper. */ |
| 199 | if (argc > 0 && strcmp(argv[0], "--reverse") == 0) |
| 200 | mi_execute_async_cli_command ("reverse-stepi", argv + 1, argc - 1); |
| 201 | else |
| 202 | mi_execute_async_cli_command ("stepi", argv, argc); |
| 203 | } |
| 204 | |
| 205 | void |
| 206 | mi_cmd_exec_finish (const char *command, char **argv, int argc) |
| 207 | { |
| 208 | /* FIXME: Should call a libgdb function, not a cli wrapper. */ |
| 209 | if (argc > 0 && strcmp(argv[0], "--reverse") == 0) |
| 210 | mi_execute_async_cli_command ("reverse-finish", argv + 1, argc - 1); |
| 211 | else |
| 212 | mi_execute_async_cli_command ("finish", argv, argc); |
| 213 | } |
| 214 | |
| 215 | void |
| 216 | mi_cmd_exec_return (const char *command, char **argv, int argc) |
| 217 | { |
| 218 | /* This command doesn't really execute the target, it just pops the |
| 219 | specified number of frames. */ |
| 220 | if (argc) |
| 221 | /* Call return_command with from_tty argument equal to 0 so as to |
| 222 | avoid being queried. */ |
| 223 | return_command (*argv, 0); |
| 224 | else |
| 225 | /* Call return_command with from_tty argument equal to 0 so as to |
| 226 | avoid being queried. */ |
| 227 | return_command (NULL, 0); |
| 228 | |
| 229 | /* Because we have called return_command with from_tty = 0, we need |
| 230 | to print the frame here. */ |
| 231 | print_stack_frame (get_selected_frame (NULL), 1, LOC_AND_ADDRESS, 1); |
| 232 | } |
| 233 | |
| 234 | void |
| 235 | mi_cmd_exec_jump (const char *args, char **argv, int argc) |
| 236 | { |
| 237 | /* FIXME: Should call a libgdb function, not a cli wrapper. */ |
| 238 | mi_execute_async_cli_command ("jump", argv, argc); |
| 239 | } |
| 240 | |
| 241 | static void |
| 242 | proceed_thread (struct thread_info *thread, int pid) |
| 243 | { |
| 244 | if (thread->state != THREAD_STOPPED) |
| 245 | return; |
| 246 | |
| 247 | if (pid != 0 && thread->ptid.pid () != pid) |
| 248 | return; |
| 249 | |
| 250 | switch_to_thread (thread); |
| 251 | clear_proceed_status (0); |
| 252 | proceed ((CORE_ADDR) -1, GDB_SIGNAL_DEFAULT); |
| 253 | } |
| 254 | |
| 255 | static int |
| 256 | proceed_thread_callback (struct thread_info *thread, void *arg) |
| 257 | { |
| 258 | int pid = *(int *)arg; |
| 259 | |
| 260 | proceed_thread (thread, pid); |
| 261 | return 0; |
| 262 | } |
| 263 | |
| 264 | static void |
| 265 | exec_continue (char **argv, int argc) |
| 266 | { |
| 267 | prepare_execution_command (current_top_target (), mi_async_p ()); |
| 268 | |
| 269 | if (non_stop) |
| 270 | { |
| 271 | /* In non-stop mode, 'resume' always resumes a single thread. |
| 272 | Therefore, to resume all threads of the current inferior, or |
| 273 | all threads in all inferiors, we need to iterate over |
| 274 | threads. |
| 275 | |
| 276 | See comment on infcmd.c:proceed_thread_callback for rationale. */ |
| 277 | if (current_context->all || current_context->thread_group != -1) |
| 278 | { |
| 279 | scoped_restore_current_thread restore_thread; |
| 280 | int pid = 0; |
| 281 | |
| 282 | if (!current_context->all) |
| 283 | { |
| 284 | struct inferior *inf |
| 285 | = find_inferior_id (current_context->thread_group); |
| 286 | |
| 287 | pid = inf->pid; |
| 288 | } |
| 289 | iterate_over_threads (proceed_thread_callback, &pid); |
| 290 | } |
| 291 | else |
| 292 | { |
| 293 | continue_1 (0); |
| 294 | } |
| 295 | } |
| 296 | else |
| 297 | { |
| 298 | scoped_restore save_multi = make_scoped_restore (&sched_multi); |
| 299 | |
| 300 | if (current_context->all) |
| 301 | { |
| 302 | sched_multi = 1; |
| 303 | continue_1 (0); |
| 304 | } |
| 305 | else |
| 306 | { |
| 307 | /* In all-stop mode, -exec-continue traditionally resumed |
| 308 | either all threads, or one thread, depending on the |
| 309 | 'scheduler-locking' variable. Let's continue to do the |
| 310 | same. */ |
| 311 | continue_1 (1); |
| 312 | } |
| 313 | } |
| 314 | } |
| 315 | |
| 316 | static void |
| 317 | exec_reverse_continue (char **argv, int argc) |
| 318 | { |
| 319 | enum exec_direction_kind dir = execution_direction; |
| 320 | |
| 321 | if (dir == EXEC_REVERSE) |
| 322 | error (_("Already in reverse mode.")); |
| 323 | |
| 324 | if (!target_can_execute_reverse) |
| 325 | error (_("Target %s does not support this command."), target_shortname); |
| 326 | |
| 327 | scoped_restore save_exec_dir = make_scoped_restore (&execution_direction, |
| 328 | EXEC_REVERSE); |
| 329 | exec_continue (argv, argc); |
| 330 | } |
| 331 | |
| 332 | void |
| 333 | mi_cmd_exec_continue (const char *command, char **argv, int argc) |
| 334 | { |
| 335 | if (argc > 0 && strcmp (argv[0], "--reverse") == 0) |
| 336 | exec_reverse_continue (argv + 1, argc - 1); |
| 337 | else |
| 338 | exec_continue (argv, argc); |
| 339 | } |
| 340 | |
| 341 | static int |
| 342 | interrupt_thread_callback (struct thread_info *thread, void *arg) |
| 343 | { |
| 344 | int pid = *(int *)arg; |
| 345 | |
| 346 | if (thread->state != THREAD_RUNNING) |
| 347 | return 0; |
| 348 | |
| 349 | if (thread->ptid.pid () != pid) |
| 350 | return 0; |
| 351 | |
| 352 | target_stop (thread->ptid); |
| 353 | return 0; |
| 354 | } |
| 355 | |
| 356 | /* Interrupt the execution of the target. Note how we must play |
| 357 | around with the token variables, in order to display the current |
| 358 | token in the result of the interrupt command, and the previous |
| 359 | execution token when the target finally stops. See comments in |
| 360 | mi_cmd_execute. */ |
| 361 | |
| 362 | void |
| 363 | mi_cmd_exec_interrupt (const char *command, char **argv, int argc) |
| 364 | { |
| 365 | /* In all-stop mode, everything stops, so we don't need to try |
| 366 | anything specific. */ |
| 367 | if (!non_stop) |
| 368 | { |
| 369 | interrupt_target_1 (0); |
| 370 | return; |
| 371 | } |
| 372 | |
| 373 | if (current_context->all) |
| 374 | { |
| 375 | /* This will interrupt all threads in all inferiors. */ |
| 376 | interrupt_target_1 (1); |
| 377 | } |
| 378 | else if (current_context->thread_group != -1) |
| 379 | { |
| 380 | struct inferior *inf = find_inferior_id (current_context->thread_group); |
| 381 | |
| 382 | iterate_over_threads (interrupt_thread_callback, &inf->pid); |
| 383 | } |
| 384 | else |
| 385 | { |
| 386 | /* Interrupt just the current thread -- either explicitly |
| 387 | specified via --thread or whatever was current before |
| 388 | MI command was sent. */ |
| 389 | interrupt_target_1 (0); |
| 390 | } |
| 391 | } |
| 392 | |
| 393 | /* Callback for iterate_over_inferiors which starts the execution |
| 394 | of the given inferior. |
| 395 | |
| 396 | ARG is a pointer to an integer whose value, if non-zero, indicates |
| 397 | that the program should be stopped when reaching the main subprogram |
| 398 | (similar to what the CLI "start" command does). */ |
| 399 | |
| 400 | static int |
| 401 | run_one_inferior (struct inferior *inf, void *arg) |
| 402 | { |
| 403 | int start_p = *(int *) arg; |
| 404 | const char *run_cmd = start_p ? "start" : "run"; |
| 405 | struct target_ops *run_target = find_run_target (); |
| 406 | int async_p = mi_async && run_target->can_async_p (); |
| 407 | |
| 408 | if (inf->pid != 0) |
| 409 | { |
| 410 | thread_info *tp = any_thread_of_inferior (inf); |
| 411 | if (tp == NULL) |
| 412 | error (_("Inferior has no threads.")); |
| 413 | |
| 414 | switch_to_thread (tp); |
| 415 | } |
| 416 | else |
| 417 | switch_to_inferior_no_thread (inf); |
| 418 | mi_execute_cli_command (run_cmd, async_p, |
| 419 | async_p ? "&" : NULL); |
| 420 | return 0; |
| 421 | } |
| 422 | |
| 423 | void |
| 424 | mi_cmd_exec_run (const char *command, char **argv, int argc) |
| 425 | { |
| 426 | int start_p = 0; |
| 427 | |
| 428 | /* Parse the command options. */ |
| 429 | enum opt |
| 430 | { |
| 431 | START_OPT, |
| 432 | }; |
| 433 | static const struct mi_opt opts[] = |
| 434 | { |
| 435 | {"-start", START_OPT, 0}, |
| 436 | {NULL, 0, 0}, |
| 437 | }; |
| 438 | |
| 439 | int oind = 0; |
| 440 | char *oarg; |
| 441 | |
| 442 | while (1) |
| 443 | { |
| 444 | int opt = mi_getopt ("-exec-run", argc, argv, opts, &oind, &oarg); |
| 445 | |
| 446 | if (opt < 0) |
| 447 | break; |
| 448 | switch ((enum opt) opt) |
| 449 | { |
| 450 | case START_OPT: |
| 451 | start_p = 1; |
| 452 | break; |
| 453 | } |
| 454 | } |
| 455 | |
| 456 | /* This command does not accept any argument. Make sure the user |
| 457 | did not provide any. */ |
| 458 | if (oind != argc) |
| 459 | error (_("Invalid argument: %s"), argv[oind]); |
| 460 | |
| 461 | if (current_context->all) |
| 462 | { |
| 463 | scoped_restore_current_pspace_and_thread restore_pspace_thread; |
| 464 | |
| 465 | iterate_over_inferiors (run_one_inferior, &start_p); |
| 466 | } |
| 467 | else |
| 468 | { |
| 469 | const char *run_cmd = start_p ? "start" : "run"; |
| 470 | struct target_ops *run_target = find_run_target (); |
| 471 | int async_p = mi_async && run_target->can_async_p (); |
| 472 | |
| 473 | mi_execute_cli_command (run_cmd, async_p, |
| 474 | async_p ? "&" : NULL); |
| 475 | } |
| 476 | } |
| 477 | |
| 478 | |
| 479 | static int |
| 480 | find_thread_of_process (struct thread_info *ti, void *p) |
| 481 | { |
| 482 | int pid = *(int *)p; |
| 483 | |
| 484 | if (ti->ptid.pid () == pid && ti->state != THREAD_EXITED) |
| 485 | return 1; |
| 486 | |
| 487 | return 0; |
| 488 | } |
| 489 | |
| 490 | void |
| 491 | mi_cmd_target_detach (const char *command, char **argv, int argc) |
| 492 | { |
| 493 | if (argc != 0 && argc != 1) |
| 494 | error (_("Usage: -target-detach [pid | thread-group]")); |
| 495 | |
| 496 | if (argc == 1) |
| 497 | { |
| 498 | struct thread_info *tp; |
| 499 | char *end = argv[0]; |
| 500 | int pid; |
| 501 | |
| 502 | /* First see if we are dealing with a thread-group id. */ |
| 503 | if (*argv[0] == 'i') |
| 504 | { |
| 505 | struct inferior *inf; |
| 506 | int id = strtoul (argv[0] + 1, &end, 0); |
| 507 | |
| 508 | if (*end != '\0') |
| 509 | error (_("Invalid syntax of thread-group id '%s'"), argv[0]); |
| 510 | |
| 511 | inf = find_inferior_id (id); |
| 512 | if (!inf) |
| 513 | error (_("Non-existent thread-group id '%d'"), id); |
| 514 | |
| 515 | pid = inf->pid; |
| 516 | } |
| 517 | else |
| 518 | { |
| 519 | /* We must be dealing with a pid. */ |
| 520 | pid = strtol (argv[0], &end, 10); |
| 521 | |
| 522 | if (*end != '\0') |
| 523 | error (_("Invalid identifier '%s'"), argv[0]); |
| 524 | } |
| 525 | |
| 526 | /* Pick any thread in the desired process. Current |
| 527 | target_detach detaches from the parent of inferior_ptid. */ |
| 528 | tp = iterate_over_threads (find_thread_of_process, &pid); |
| 529 | if (!tp) |
| 530 | error (_("Thread group is empty")); |
| 531 | |
| 532 | switch_to_thread (tp); |
| 533 | } |
| 534 | |
| 535 | detach_command (NULL, 0); |
| 536 | } |
| 537 | |
| 538 | void |
| 539 | mi_cmd_target_flash_erase (const char *command, char **argv, int argc) |
| 540 | { |
| 541 | flash_erase_command (NULL, 0); |
| 542 | } |
| 543 | |
| 544 | void |
| 545 | mi_cmd_thread_select (const char *command, char **argv, int argc) |
| 546 | { |
| 547 | if (argc != 1) |
| 548 | error (_("-thread-select: USAGE: threadnum.")); |
| 549 | |
| 550 | int num = value_as_long (parse_and_eval (argv[0])); |
| 551 | thread_info *thr = find_thread_global_id (num); |
| 552 | if (thr == NULL) |
| 553 | error (_("Thread ID %d not known."), num); |
| 554 | |
| 555 | ptid_t previous_ptid = inferior_ptid; |
| 556 | |
| 557 | thread_select (argv[0], thr); |
| 558 | |
| 559 | print_selected_thread_frame (current_uiout, |
| 560 | USER_SELECTED_THREAD | USER_SELECTED_FRAME); |
| 561 | |
| 562 | /* Notify if the thread has effectively changed. */ |
| 563 | if (inferior_ptid != previous_ptid) |
| 564 | { |
| 565 | gdb::observers::user_selected_context_changed.notify |
| 566 | (USER_SELECTED_THREAD | USER_SELECTED_FRAME); |
| 567 | } |
| 568 | } |
| 569 | |
| 570 | void |
| 571 | mi_cmd_thread_list_ids (const char *command, char **argv, int argc) |
| 572 | { |
| 573 | if (argc != 0) |
| 574 | error (_("-thread-list-ids: No arguments required.")); |
| 575 | |
| 576 | int num = 0; |
| 577 | int current_thread = -1; |
| 578 | |
| 579 | update_thread_list (); |
| 580 | |
| 581 | { |
| 582 | ui_out_emit_tuple tuple_emitter (current_uiout, "thread-ids"); |
| 583 | |
| 584 | for (thread_info *tp : all_non_exited_threads ()) |
| 585 | { |
| 586 | if (tp->ptid == inferior_ptid) |
| 587 | current_thread = tp->global_num; |
| 588 | |
| 589 | num++; |
| 590 | current_uiout->field_signed ("thread-id", tp->global_num); |
| 591 | } |
| 592 | } |
| 593 | |
| 594 | if (current_thread != -1) |
| 595 | current_uiout->field_signed ("current-thread-id", current_thread); |
| 596 | current_uiout->field_signed ("number-of-threads", num); |
| 597 | } |
| 598 | |
| 599 | void |
| 600 | mi_cmd_thread_info (const char *command, char **argv, int argc) |
| 601 | { |
| 602 | if (argc != 0 && argc != 1) |
| 603 | error (_("Invalid MI command")); |
| 604 | |
| 605 | print_thread_info (current_uiout, argv[0], -1); |
| 606 | } |
| 607 | |
| 608 | struct collect_cores_data |
| 609 | { |
| 610 | int pid; |
| 611 | std::set<int> cores; |
| 612 | }; |
| 613 | |
| 614 | static int |
| 615 | collect_cores (struct thread_info *ti, void *xdata) |
| 616 | { |
| 617 | struct collect_cores_data *data = (struct collect_cores_data *) xdata; |
| 618 | |
| 619 | if (ti->ptid.pid () == data->pid) |
| 620 | { |
| 621 | int core = target_core_of_thread (ti->ptid); |
| 622 | |
| 623 | if (core != -1) |
| 624 | data->cores.insert (core); |
| 625 | } |
| 626 | |
| 627 | return 0; |
| 628 | } |
| 629 | |
| 630 | struct print_one_inferior_data |
| 631 | { |
| 632 | int recurse; |
| 633 | const std::set<int> *inferiors; |
| 634 | }; |
| 635 | |
| 636 | static int |
| 637 | print_one_inferior (struct inferior *inferior, void *xdata) |
| 638 | { |
| 639 | struct print_one_inferior_data *top_data |
| 640 | = (struct print_one_inferior_data *) xdata; |
| 641 | struct ui_out *uiout = current_uiout; |
| 642 | |
| 643 | if (top_data->inferiors->empty () |
| 644 | || (top_data->inferiors->find (inferior->pid) |
| 645 | != top_data->inferiors->end ())) |
| 646 | { |
| 647 | struct collect_cores_data data; |
| 648 | ui_out_emit_tuple tuple_emitter (uiout, NULL); |
| 649 | |
| 650 | uiout->field_fmt ("id", "i%d", inferior->num); |
| 651 | uiout->field_string ("type", "process"); |
| 652 | if (inferior->has_exit_code) |
| 653 | uiout->field_string ("exit-code", |
| 654 | int_string (inferior->exit_code, 8, 0, 0, 1)); |
| 655 | if (inferior->pid != 0) |
| 656 | uiout->field_signed ("pid", inferior->pid); |
| 657 | |
| 658 | if (inferior->pspace->pspace_exec_filename != NULL) |
| 659 | { |
| 660 | uiout->field_string ("executable", |
| 661 | inferior->pspace->pspace_exec_filename); |
| 662 | } |
| 663 | |
| 664 | if (inferior->pid != 0) |
| 665 | { |
| 666 | data.pid = inferior->pid; |
| 667 | iterate_over_threads (collect_cores, &data); |
| 668 | } |
| 669 | |
| 670 | if (!data.cores.empty ()) |
| 671 | { |
| 672 | ui_out_emit_list list_emitter (uiout, "cores"); |
| 673 | |
| 674 | for (int b : data.cores) |
| 675 | uiout->field_signed (NULL, b); |
| 676 | } |
| 677 | |
| 678 | if (top_data->recurse) |
| 679 | print_thread_info (uiout, NULL, inferior->pid); |
| 680 | } |
| 681 | |
| 682 | return 0; |
| 683 | } |
| 684 | |
| 685 | /* Output a field named 'cores' with a list as the value. The |
| 686 | elements of the list are obtained by splitting 'cores' on |
| 687 | comma. */ |
| 688 | |
| 689 | static void |
| 690 | output_cores (struct ui_out *uiout, const char *field_name, const char *xcores) |
| 691 | { |
| 692 | ui_out_emit_list list_emitter (uiout, field_name); |
| 693 | auto cores = make_unique_xstrdup (xcores); |
| 694 | char *p = cores.get (); |
| 695 | char *saveptr; |
| 696 | |
| 697 | for (p = strtok_r (p, ",", &saveptr); p; p = strtok_r (NULL, ",", &saveptr)) |
| 698 | uiout->field_string (NULL, p); |
| 699 | } |
| 700 | |
| 701 | static void |
| 702 | list_available_thread_groups (const std::set<int> &ids, int recurse) |
| 703 | { |
| 704 | struct ui_out *uiout = current_uiout; |
| 705 | |
| 706 | /* This keeps a map from integer (pid) to vector of struct osdata_item. |
| 707 | The vector contains information about all threads for the given pid. */ |
| 708 | std::map<int, std::vector<osdata_item>> tree; |
| 709 | |
| 710 | /* get_osdata will throw if it cannot return data. */ |
| 711 | std::unique_ptr<osdata> data = get_osdata ("processes"); |
| 712 | |
| 713 | if (recurse) |
| 714 | { |
| 715 | std::unique_ptr<osdata> threads = get_osdata ("threads"); |
| 716 | |
| 717 | for (const osdata_item &item : threads->items) |
| 718 | { |
| 719 | const std::string *pid = get_osdata_column (item, "pid"); |
| 720 | int pid_i = strtoul (pid->c_str (), NULL, 0); |
| 721 | |
| 722 | tree[pid_i].push_back (item); |
| 723 | } |
| 724 | } |
| 725 | |
| 726 | ui_out_emit_list list_emitter (uiout, "groups"); |
| 727 | |
| 728 | for (const osdata_item &item : data->items) |
| 729 | { |
| 730 | const std::string *pid = get_osdata_column (item, "pid"); |
| 731 | const std::string *cmd = get_osdata_column (item, "command"); |
| 732 | const std::string *user = get_osdata_column (item, "user"); |
| 733 | const std::string *cores = get_osdata_column (item, "cores"); |
| 734 | |
| 735 | int pid_i = strtoul (pid->c_str (), NULL, 0); |
| 736 | |
| 737 | /* At present, the target will return all available processes |
| 738 | and if information about specific ones was required, we filter |
| 739 | undesired processes here. */ |
| 740 | if (!ids.empty () && ids.find (pid_i) == ids.end ()) |
| 741 | continue; |
| 742 | |
| 743 | ui_out_emit_tuple tuple_emitter (uiout, NULL); |
| 744 | |
| 745 | uiout->field_string ("id", pid->c_str ()); |
| 746 | uiout->field_string ("type", "process"); |
| 747 | if (cmd) |
| 748 | uiout->field_string ("description", cmd->c_str ()); |
| 749 | if (user) |
| 750 | uiout->field_string ("user", user->c_str ()); |
| 751 | if (cores) |
| 752 | output_cores (uiout, "cores", cores->c_str ()); |
| 753 | |
| 754 | if (recurse) |
| 755 | { |
| 756 | auto n = tree.find (pid_i); |
| 757 | if (n != tree.end ()) |
| 758 | { |
| 759 | std::vector<osdata_item> &children = n->second; |
| 760 | |
| 761 | ui_out_emit_list thread_list_emitter (uiout, "threads"); |
| 762 | |
| 763 | for (const osdata_item &child : children) |
| 764 | { |
| 765 | ui_out_emit_tuple inner_tuple_emitter (uiout, NULL); |
| 766 | const std::string *tid = get_osdata_column (child, "tid"); |
| 767 | const std::string *tcore = get_osdata_column (child, "core"); |
| 768 | |
| 769 | uiout->field_string ("id", tid->c_str ()); |
| 770 | if (tcore) |
| 771 | uiout->field_string ("core", tcore->c_str ()); |
| 772 | } |
| 773 | } |
| 774 | } |
| 775 | } |
| 776 | } |
| 777 | |
| 778 | void |
| 779 | mi_cmd_list_thread_groups (const char *command, char **argv, int argc) |
| 780 | { |
| 781 | struct ui_out *uiout = current_uiout; |
| 782 | int available = 0; |
| 783 | int recurse = 0; |
| 784 | std::set<int> ids; |
| 785 | |
| 786 | enum opt |
| 787 | { |
| 788 | AVAILABLE_OPT, RECURSE_OPT |
| 789 | }; |
| 790 | static const struct mi_opt opts[] = |
| 791 | { |
| 792 | {"-available", AVAILABLE_OPT, 0}, |
| 793 | {"-recurse", RECURSE_OPT, 1}, |
| 794 | { 0, 0, 0 } |
| 795 | }; |
| 796 | |
| 797 | int oind = 0; |
| 798 | char *oarg; |
| 799 | |
| 800 | while (1) |
| 801 | { |
| 802 | int opt = mi_getopt ("-list-thread-groups", argc, argv, opts, |
| 803 | &oind, &oarg); |
| 804 | |
| 805 | if (opt < 0) |
| 806 | break; |
| 807 | switch ((enum opt) opt) |
| 808 | { |
| 809 | case AVAILABLE_OPT: |
| 810 | available = 1; |
| 811 | break; |
| 812 | case RECURSE_OPT: |
| 813 | if (strcmp (oarg, "0") == 0) |
| 814 | ; |
| 815 | else if (strcmp (oarg, "1") == 0) |
| 816 | recurse = 1; |
| 817 | else |
| 818 | error (_("only '0' and '1' are valid values " |
| 819 | "for the '--recurse' option")); |
| 820 | break; |
| 821 | } |
| 822 | } |
| 823 | |
| 824 | for (; oind < argc; ++oind) |
| 825 | { |
| 826 | char *end; |
| 827 | int inf; |
| 828 | |
| 829 | if (*(argv[oind]) != 'i') |
| 830 | error (_("invalid syntax of group id '%s'"), argv[oind]); |
| 831 | |
| 832 | inf = strtoul (argv[oind] + 1, &end, 0); |
| 833 | |
| 834 | if (*end != '\0') |
| 835 | error (_("invalid syntax of group id '%s'"), argv[oind]); |
| 836 | ids.insert (inf); |
| 837 | } |
| 838 | |
| 839 | if (available) |
| 840 | { |
| 841 | list_available_thread_groups (ids, recurse); |
| 842 | } |
| 843 | else if (ids.size () == 1) |
| 844 | { |
| 845 | /* Local thread groups, single id. */ |
| 846 | int id = *(ids.begin ()); |
| 847 | struct inferior *inf = find_inferior_id (id); |
| 848 | |
| 849 | if (!inf) |
| 850 | error (_("Non-existent thread group id '%d'"), id); |
| 851 | |
| 852 | print_thread_info (uiout, NULL, inf->pid); |
| 853 | } |
| 854 | else |
| 855 | { |
| 856 | struct print_one_inferior_data data; |
| 857 | |
| 858 | data.recurse = recurse; |
| 859 | data.inferiors = &ids; |
| 860 | |
| 861 | /* Local thread groups. Either no explicit ids -- and we |
| 862 | print everything, or several explicit ids. In both cases, |
| 863 | we print more than one group, and have to use 'groups' |
| 864 | as the top-level element. */ |
| 865 | ui_out_emit_list list_emitter (uiout, "groups"); |
| 866 | update_thread_list (); |
| 867 | iterate_over_inferiors (print_one_inferior, &data); |
| 868 | } |
| 869 | } |
| 870 | |
| 871 | void |
| 872 | mi_cmd_data_list_register_names (const char *command, char **argv, int argc) |
| 873 | { |
| 874 | struct gdbarch *gdbarch; |
| 875 | struct ui_out *uiout = current_uiout; |
| 876 | int regnum, numregs; |
| 877 | int i; |
| 878 | |
| 879 | /* Note that the test for a valid register must include checking the |
| 880 | gdbarch_register_name because gdbarch_num_regs may be allocated |
| 881 | for the union of the register sets within a family of related |
| 882 | processors. In this case, some entries of gdbarch_register_name |
| 883 | will change depending upon the particular processor being |
| 884 | debugged. */ |
| 885 | |
| 886 | gdbarch = get_current_arch (); |
| 887 | numregs = gdbarch_num_cooked_regs (gdbarch); |
| 888 | |
| 889 | ui_out_emit_list list_emitter (uiout, "register-names"); |
| 890 | |
| 891 | if (argc == 0) /* No args, just do all the regs. */ |
| 892 | { |
| 893 | for (regnum = 0; |
| 894 | regnum < numregs; |
| 895 | regnum++) |
| 896 | { |
| 897 | if (gdbarch_register_name (gdbarch, regnum) == NULL |
| 898 | || *(gdbarch_register_name (gdbarch, regnum)) == '\0') |
| 899 | uiout->field_string (NULL, ""); |
| 900 | else |
| 901 | uiout->field_string (NULL, gdbarch_register_name (gdbarch, regnum)); |
| 902 | } |
| 903 | } |
| 904 | |
| 905 | /* Else, list of register #s, just do listed regs. */ |
| 906 | for (i = 0; i < argc; i++) |
| 907 | { |
| 908 | regnum = atoi (argv[i]); |
| 909 | if (regnum < 0 || regnum >= numregs) |
| 910 | error (_("bad register number")); |
| 911 | |
| 912 | if (gdbarch_register_name (gdbarch, regnum) == NULL |
| 913 | || *(gdbarch_register_name (gdbarch, regnum)) == '\0') |
| 914 | uiout->field_string (NULL, ""); |
| 915 | else |
| 916 | uiout->field_string (NULL, gdbarch_register_name (gdbarch, regnum)); |
| 917 | } |
| 918 | } |
| 919 | |
| 920 | void |
| 921 | mi_cmd_data_list_changed_registers (const char *command, char **argv, int argc) |
| 922 | { |
| 923 | static std::unique_ptr<readonly_detached_regcache> this_regs; |
| 924 | struct ui_out *uiout = current_uiout; |
| 925 | std::unique_ptr<readonly_detached_regcache> prev_regs; |
| 926 | struct gdbarch *gdbarch; |
| 927 | int regnum, numregs; |
| 928 | int i; |
| 929 | |
| 930 | /* The last time we visited this function, the current frame's |
| 931 | register contents were saved in THIS_REGS. Move THIS_REGS over |
| 932 | to PREV_REGS, and refresh THIS_REGS with the now-current register |
| 933 | contents. */ |
| 934 | |
| 935 | prev_regs = std::move (this_regs); |
| 936 | this_regs = frame_save_as_regcache (get_selected_frame (NULL)); |
| 937 | |
| 938 | /* Note that the test for a valid register must include checking the |
| 939 | gdbarch_register_name because gdbarch_num_regs may be allocated |
| 940 | for the union of the register sets within a family of related |
| 941 | processors. In this case, some entries of gdbarch_register_name |
| 942 | will change depending upon the particular processor being |
| 943 | debugged. */ |
| 944 | |
| 945 | gdbarch = this_regs->arch (); |
| 946 | numregs = gdbarch_num_cooked_regs (gdbarch); |
| 947 | |
| 948 | ui_out_emit_list list_emitter (uiout, "changed-registers"); |
| 949 | |
| 950 | if (argc == 0) |
| 951 | { |
| 952 | /* No args, just do all the regs. */ |
| 953 | for (regnum = 0; |
| 954 | regnum < numregs; |
| 955 | regnum++) |
| 956 | { |
| 957 | if (gdbarch_register_name (gdbarch, regnum) == NULL |
| 958 | || *(gdbarch_register_name (gdbarch, regnum)) == '\0') |
| 959 | continue; |
| 960 | |
| 961 | if (register_changed_p (regnum, prev_regs.get (), |
| 962 | this_regs.get ())) |
| 963 | uiout->field_signed (NULL, regnum); |
| 964 | } |
| 965 | } |
| 966 | |
| 967 | /* Else, list of register #s, just do listed regs. */ |
| 968 | for (i = 0; i < argc; i++) |
| 969 | { |
| 970 | regnum = atoi (argv[i]); |
| 971 | |
| 972 | if (regnum >= 0 |
| 973 | && regnum < numregs |
| 974 | && gdbarch_register_name (gdbarch, regnum) != NULL |
| 975 | && *gdbarch_register_name (gdbarch, regnum) != '\000') |
| 976 | { |
| 977 | if (register_changed_p (regnum, prev_regs.get (), |
| 978 | this_regs.get ())) |
| 979 | uiout->field_signed (NULL, regnum); |
| 980 | } |
| 981 | else |
| 982 | error (_("bad register number")); |
| 983 | } |
| 984 | } |
| 985 | |
| 986 | static bool |
| 987 | register_changed_p (int regnum, readonly_detached_regcache *prev_regs, |
| 988 | readonly_detached_regcache *this_regs) |
| 989 | { |
| 990 | struct gdbarch *gdbarch = this_regs->arch (); |
| 991 | struct value *prev_value, *this_value; |
| 992 | |
| 993 | /* First time through or after gdbarch change consider all registers |
| 994 | as changed. */ |
| 995 | if (!prev_regs || prev_regs->arch () != gdbarch) |
| 996 | return true; |
| 997 | |
| 998 | /* Get register contents and compare. */ |
| 999 | prev_value = prev_regs->cooked_read_value (regnum); |
| 1000 | this_value = this_regs->cooked_read_value (regnum); |
| 1001 | gdb_assert (prev_value != NULL); |
| 1002 | gdb_assert (this_value != NULL); |
| 1003 | |
| 1004 | auto ret = !value_contents_eq (prev_value, 0, this_value, 0, |
| 1005 | register_size (gdbarch, regnum)); |
| 1006 | |
| 1007 | release_value (prev_value); |
| 1008 | release_value (this_value); |
| 1009 | return ret; |
| 1010 | } |
| 1011 | |
| 1012 | /* Return a list of register number and value pairs. The valid |
| 1013 | arguments expected are: a letter indicating the format in which to |
| 1014 | display the registers contents. This can be one of: x |
| 1015 | (hexadecimal), d (decimal), N (natural), t (binary), o (octal), r |
| 1016 | (raw). After the format argument there can be a sequence of |
| 1017 | numbers, indicating which registers to fetch the content of. If |
| 1018 | the format is the only argument, a list of all the registers with |
| 1019 | their values is returned. */ |
| 1020 | |
| 1021 | void |
| 1022 | mi_cmd_data_list_register_values (const char *command, char **argv, int argc) |
| 1023 | { |
| 1024 | struct ui_out *uiout = current_uiout; |
| 1025 | struct frame_info *frame; |
| 1026 | struct gdbarch *gdbarch; |
| 1027 | int regnum, numregs, format; |
| 1028 | int i; |
| 1029 | int skip_unavailable = 0; |
| 1030 | int oind = 0; |
| 1031 | enum opt |
| 1032 | { |
| 1033 | SKIP_UNAVAILABLE, |
| 1034 | }; |
| 1035 | static const struct mi_opt opts[] = |
| 1036 | { |
| 1037 | {"-skip-unavailable", SKIP_UNAVAILABLE, 0}, |
| 1038 | { 0, 0, 0 } |
| 1039 | }; |
| 1040 | |
| 1041 | /* Note that the test for a valid register must include checking the |
| 1042 | gdbarch_register_name because gdbarch_num_regs may be allocated |
| 1043 | for the union of the register sets within a family of related |
| 1044 | processors. In this case, some entries of gdbarch_register_name |
| 1045 | will change depending upon the particular processor being |
| 1046 | debugged. */ |
| 1047 | |
| 1048 | while (1) |
| 1049 | { |
| 1050 | char *oarg; |
| 1051 | int opt = mi_getopt ("-data-list-register-values", argc, argv, |
| 1052 | opts, &oind, &oarg); |
| 1053 | |
| 1054 | if (opt < 0) |
| 1055 | break; |
| 1056 | switch ((enum opt) opt) |
| 1057 | { |
| 1058 | case SKIP_UNAVAILABLE: |
| 1059 | skip_unavailable = 1; |
| 1060 | break; |
| 1061 | } |
| 1062 | } |
| 1063 | |
| 1064 | if (argc - oind < 1) |
| 1065 | error (_("-data-list-register-values: Usage: " |
| 1066 | "-data-list-register-values [--skip-unavailable] <format>" |
| 1067 | " [<regnum1>...<regnumN>]")); |
| 1068 | |
| 1069 | format = (int) argv[oind][0]; |
| 1070 | |
| 1071 | frame = get_selected_frame (NULL); |
| 1072 | gdbarch = get_frame_arch (frame); |
| 1073 | numregs = gdbarch_num_cooked_regs (gdbarch); |
| 1074 | |
| 1075 | ui_out_emit_list list_emitter (uiout, "register-values"); |
| 1076 | |
| 1077 | if (argc - oind == 1) |
| 1078 | { |
| 1079 | /* No args, beside the format: do all the regs. */ |
| 1080 | for (regnum = 0; |
| 1081 | regnum < numregs; |
| 1082 | regnum++) |
| 1083 | { |
| 1084 | if (gdbarch_register_name (gdbarch, regnum) == NULL |
| 1085 | || *(gdbarch_register_name (gdbarch, regnum)) == '\0') |
| 1086 | continue; |
| 1087 | |
| 1088 | output_register (frame, regnum, format, skip_unavailable); |
| 1089 | } |
| 1090 | } |
| 1091 | |
| 1092 | /* Else, list of register #s, just do listed regs. */ |
| 1093 | for (i = 1 + oind; i < argc; i++) |
| 1094 | { |
| 1095 | regnum = atoi (argv[i]); |
| 1096 | |
| 1097 | if (regnum >= 0 |
| 1098 | && regnum < numregs |
| 1099 | && gdbarch_register_name (gdbarch, regnum) != NULL |
| 1100 | && *gdbarch_register_name (gdbarch, regnum) != '\000') |
| 1101 | output_register (frame, regnum, format, skip_unavailable); |
| 1102 | else |
| 1103 | error (_("bad register number")); |
| 1104 | } |
| 1105 | } |
| 1106 | |
| 1107 | /* Output one register REGNUM's contents in the desired FORMAT. If |
| 1108 | SKIP_UNAVAILABLE is true, skip the register if it is |
| 1109 | unavailable. */ |
| 1110 | |
| 1111 | static void |
| 1112 | output_register (struct frame_info *frame, int regnum, int format, |
| 1113 | int skip_unavailable) |
| 1114 | { |
| 1115 | struct ui_out *uiout = current_uiout; |
| 1116 | struct value *val = value_of_register (regnum, frame); |
| 1117 | struct value_print_options opts; |
| 1118 | |
| 1119 | if (skip_unavailable && !value_entirely_available (val)) |
| 1120 | return; |
| 1121 | |
| 1122 | ui_out_emit_tuple tuple_emitter (uiout, NULL); |
| 1123 | uiout->field_signed ("number", regnum); |
| 1124 | |
| 1125 | if (format == 'N') |
| 1126 | format = 0; |
| 1127 | |
| 1128 | if (format == 'r') |
| 1129 | format = 'z'; |
| 1130 | |
| 1131 | string_file stb; |
| 1132 | |
| 1133 | get_formatted_print_options (&opts, format); |
| 1134 | opts.deref_ref = 1; |
| 1135 | val_print (value_type (val), |
| 1136 | value_embedded_offset (val), 0, |
| 1137 | &stb, 0, val, &opts, current_language); |
| 1138 | uiout->field_stream ("value", stb); |
| 1139 | } |
| 1140 | |
| 1141 | /* Write given values into registers. The registers and values are |
| 1142 | given as pairs. The corresponding MI command is |
| 1143 | -data-write-register-values <format> |
| 1144 | [<regnum1> <value1>...<regnumN> <valueN>] */ |
| 1145 | void |
| 1146 | mi_cmd_data_write_register_values (const char *command, char **argv, int argc) |
| 1147 | { |
| 1148 | struct regcache *regcache; |
| 1149 | struct gdbarch *gdbarch; |
| 1150 | int numregs, i; |
| 1151 | |
| 1152 | /* Note that the test for a valid register must include checking the |
| 1153 | gdbarch_register_name because gdbarch_num_regs may be allocated |
| 1154 | for the union of the register sets within a family of related |
| 1155 | processors. In this case, some entries of gdbarch_register_name |
| 1156 | will change depending upon the particular processor being |
| 1157 | debugged. */ |
| 1158 | |
| 1159 | regcache = get_current_regcache (); |
| 1160 | gdbarch = regcache->arch (); |
| 1161 | numregs = gdbarch_num_cooked_regs (gdbarch); |
| 1162 | |
| 1163 | if (argc == 0) |
| 1164 | error (_("-data-write-register-values: Usage: -data-write-register-" |
| 1165 | "values <format> [<regnum1> <value1>...<regnumN> <valueN>]")); |
| 1166 | |
| 1167 | if (!target_has_registers) |
| 1168 | error (_("-data-write-register-values: No registers.")); |
| 1169 | |
| 1170 | if (!(argc - 1)) |
| 1171 | error (_("-data-write-register-values: No regs and values specified.")); |
| 1172 | |
| 1173 | if ((argc - 1) % 2) |
| 1174 | error (_("-data-write-register-values: " |
| 1175 | "Regs and vals are not in pairs.")); |
| 1176 | |
| 1177 | for (i = 1; i < argc; i = i + 2) |
| 1178 | { |
| 1179 | int regnum = atoi (argv[i]); |
| 1180 | |
| 1181 | if (regnum >= 0 && regnum < numregs |
| 1182 | && gdbarch_register_name (gdbarch, regnum) |
| 1183 | && *gdbarch_register_name (gdbarch, regnum)) |
| 1184 | { |
| 1185 | LONGEST value; |
| 1186 | |
| 1187 | /* Get the value as a number. */ |
| 1188 | value = parse_and_eval_address (argv[i + 1]); |
| 1189 | |
| 1190 | /* Write it down. */ |
| 1191 | regcache_cooked_write_signed (regcache, regnum, value); |
| 1192 | } |
| 1193 | else |
| 1194 | error (_("bad register number")); |
| 1195 | } |
| 1196 | } |
| 1197 | |
| 1198 | /* Evaluate the value of the argument. The argument is an |
| 1199 | expression. If the expression contains spaces it needs to be |
| 1200 | included in double quotes. */ |
| 1201 | |
| 1202 | void |
| 1203 | mi_cmd_data_evaluate_expression (const char *command, char **argv, int argc) |
| 1204 | { |
| 1205 | struct value *val; |
| 1206 | struct value_print_options opts; |
| 1207 | struct ui_out *uiout = current_uiout; |
| 1208 | |
| 1209 | if (argc != 1) |
| 1210 | error (_("-data-evaluate-expression: " |
| 1211 | "Usage: -data-evaluate-expression expression")); |
| 1212 | |
| 1213 | expression_up expr = parse_expression (argv[0]); |
| 1214 | |
| 1215 | val = evaluate_expression (expr.get ()); |
| 1216 | |
| 1217 | string_file stb; |
| 1218 | |
| 1219 | /* Print the result of the expression evaluation. */ |
| 1220 | get_user_print_options (&opts); |
| 1221 | opts.deref_ref = 0; |
| 1222 | common_val_print (val, &stb, 0, &opts, current_language); |
| 1223 | |
| 1224 | uiout->field_stream ("value", stb); |
| 1225 | } |
| 1226 | |
| 1227 | /* This is the -data-read-memory command. |
| 1228 | |
| 1229 | ADDR: start address of data to be dumped. |
| 1230 | WORD-FORMAT: a char indicating format for the ``word''. See |
| 1231 | the ``x'' command. |
| 1232 | WORD-SIZE: size of each ``word''; 1,2,4, or 8 bytes. |
| 1233 | NR_ROW: Number of rows. |
| 1234 | NR_COL: The number of columns (words per row). |
| 1235 | ASCHAR: (OPTIONAL) Append an ascii character dump to each row. Use |
| 1236 | ASCHAR for unprintable characters. |
| 1237 | |
| 1238 | Reads SIZE*NR_ROW*NR_COL bytes starting at ADDR from memory and |
| 1239 | displays them. Returns: |
| 1240 | |
| 1241 | {addr="...",rowN={wordN="..." ,... [,ascii="..."]}, ...} |
| 1242 | |
| 1243 | Returns: |
| 1244 | The number of bytes read is SIZE*ROW*COL. */ |
| 1245 | |
| 1246 | void |
| 1247 | mi_cmd_data_read_memory (const char *command, char **argv, int argc) |
| 1248 | { |
| 1249 | struct gdbarch *gdbarch = get_current_arch (); |
| 1250 | struct ui_out *uiout = current_uiout; |
| 1251 | CORE_ADDR addr; |
| 1252 | long total_bytes, nr_cols, nr_rows; |
| 1253 | char word_format; |
| 1254 | struct type *word_type; |
| 1255 | long word_size; |
| 1256 | char word_asize; |
| 1257 | char aschar; |
| 1258 | int nr_bytes; |
| 1259 | long offset = 0; |
| 1260 | int oind = 0; |
| 1261 | char *oarg; |
| 1262 | enum opt |
| 1263 | { |
| 1264 | OFFSET_OPT |
| 1265 | }; |
| 1266 | static const struct mi_opt opts[] = |
| 1267 | { |
| 1268 | {"o", OFFSET_OPT, 1}, |
| 1269 | { 0, 0, 0 } |
| 1270 | }; |
| 1271 | |
| 1272 | while (1) |
| 1273 | { |
| 1274 | int opt = mi_getopt ("-data-read-memory", argc, argv, opts, |
| 1275 | &oind, &oarg); |
| 1276 | |
| 1277 | if (opt < 0) |
| 1278 | break; |
| 1279 | switch ((enum opt) opt) |
| 1280 | { |
| 1281 | case OFFSET_OPT: |
| 1282 | offset = atol (oarg); |
| 1283 | break; |
| 1284 | } |
| 1285 | } |
| 1286 | argv += oind; |
| 1287 | argc -= oind; |
| 1288 | |
| 1289 | if (argc < 5 || argc > 6) |
| 1290 | error (_("-data-read-memory: Usage: " |
| 1291 | "ADDR WORD-FORMAT WORD-SIZE NR-ROWS NR-COLS [ASCHAR].")); |
| 1292 | |
| 1293 | /* Extract all the arguments. */ |
| 1294 | |
| 1295 | /* Start address of the memory dump. */ |
| 1296 | addr = parse_and_eval_address (argv[0]) + offset; |
| 1297 | /* The format character to use when displaying a memory word. See |
| 1298 | the ``x'' command. */ |
| 1299 | word_format = argv[1][0]; |
| 1300 | /* The size of the memory word. */ |
| 1301 | word_size = atol (argv[2]); |
| 1302 | switch (word_size) |
| 1303 | { |
| 1304 | case 1: |
| 1305 | word_type = builtin_type (gdbarch)->builtin_int8; |
| 1306 | word_asize = 'b'; |
| 1307 | break; |
| 1308 | case 2: |
| 1309 | word_type = builtin_type (gdbarch)->builtin_int16; |
| 1310 | word_asize = 'h'; |
| 1311 | break; |
| 1312 | case 4: |
| 1313 | word_type = builtin_type (gdbarch)->builtin_int32; |
| 1314 | word_asize = 'w'; |
| 1315 | break; |
| 1316 | case 8: |
| 1317 | word_type = builtin_type (gdbarch)->builtin_int64; |
| 1318 | word_asize = 'g'; |
| 1319 | break; |
| 1320 | default: |
| 1321 | word_type = builtin_type (gdbarch)->builtin_int8; |
| 1322 | word_asize = 'b'; |
| 1323 | } |
| 1324 | /* The number of rows. */ |
| 1325 | nr_rows = atol (argv[3]); |
| 1326 | if (nr_rows <= 0) |
| 1327 | error (_("-data-read-memory: invalid number of rows.")); |
| 1328 | |
| 1329 | /* Number of bytes per row. */ |
| 1330 | nr_cols = atol (argv[4]); |
| 1331 | if (nr_cols <= 0) |
| 1332 | error (_("-data-read-memory: invalid number of columns.")); |
| 1333 | |
| 1334 | /* The un-printable character when printing ascii. */ |
| 1335 | if (argc == 6) |
| 1336 | aschar = *argv[5]; |
| 1337 | else |
| 1338 | aschar = 0; |
| 1339 | |
| 1340 | /* Create a buffer and read it in. */ |
| 1341 | total_bytes = word_size * nr_rows * nr_cols; |
| 1342 | |
| 1343 | gdb::byte_vector mbuf (total_bytes); |
| 1344 | |
| 1345 | nr_bytes = target_read (current_top_target (), TARGET_OBJECT_MEMORY, NULL, |
| 1346 | mbuf.data (), addr, total_bytes); |
| 1347 | if (nr_bytes <= 0) |
| 1348 | error (_("Unable to read memory.")); |
| 1349 | |
| 1350 | /* Output the header information. */ |
| 1351 | uiout->field_core_addr ("addr", gdbarch, addr); |
| 1352 | uiout->field_signed ("nr-bytes", nr_bytes); |
| 1353 | uiout->field_signed ("total-bytes", total_bytes); |
| 1354 | uiout->field_core_addr ("next-row", gdbarch, addr + word_size * nr_cols); |
| 1355 | uiout->field_core_addr ("prev-row", gdbarch, addr - word_size * nr_cols); |
| 1356 | uiout->field_core_addr ("next-page", gdbarch, addr + total_bytes); |
| 1357 | uiout->field_core_addr ("prev-page", gdbarch, addr - total_bytes); |
| 1358 | |
| 1359 | /* Build the result as a two dimensional table. */ |
| 1360 | { |
| 1361 | int row; |
| 1362 | int row_byte; |
| 1363 | |
| 1364 | string_file stream; |
| 1365 | |
| 1366 | ui_out_emit_list list_emitter (uiout, "memory"); |
| 1367 | for (row = 0, row_byte = 0; |
| 1368 | row < nr_rows; |
| 1369 | row++, row_byte += nr_cols * word_size) |
| 1370 | { |
| 1371 | int col; |
| 1372 | int col_byte; |
| 1373 | struct value_print_options print_opts; |
| 1374 | |
| 1375 | ui_out_emit_tuple tuple_emitter (uiout, NULL); |
| 1376 | uiout->field_core_addr ("addr", gdbarch, addr + row_byte); |
| 1377 | /* ui_out_field_core_addr_symbolic (uiout, "saddr", addr + |
| 1378 | row_byte); */ |
| 1379 | { |
| 1380 | ui_out_emit_list list_data_emitter (uiout, "data"); |
| 1381 | get_formatted_print_options (&print_opts, word_format); |
| 1382 | for (col = 0, col_byte = row_byte; |
| 1383 | col < nr_cols; |
| 1384 | col++, col_byte += word_size) |
| 1385 | { |
| 1386 | if (col_byte + word_size > nr_bytes) |
| 1387 | { |
| 1388 | uiout->field_string (NULL, "N/A"); |
| 1389 | } |
| 1390 | else |
| 1391 | { |
| 1392 | stream.clear (); |
| 1393 | print_scalar_formatted (&mbuf[col_byte], word_type, |
| 1394 | &print_opts, word_asize, &stream); |
| 1395 | uiout->field_stream (NULL, stream); |
| 1396 | } |
| 1397 | } |
| 1398 | } |
| 1399 | |
| 1400 | if (aschar) |
| 1401 | { |
| 1402 | int byte; |
| 1403 | |
| 1404 | stream.clear (); |
| 1405 | for (byte = row_byte; |
| 1406 | byte < row_byte + word_size * nr_cols; byte++) |
| 1407 | { |
| 1408 | if (byte >= nr_bytes) |
| 1409 | stream.putc ('X'); |
| 1410 | else if (mbuf[byte] < 32 || mbuf[byte] > 126) |
| 1411 | stream.putc (aschar); |
| 1412 | else |
| 1413 | stream.putc (mbuf[byte]); |
| 1414 | } |
| 1415 | uiout->field_stream ("ascii", stream); |
| 1416 | } |
| 1417 | } |
| 1418 | } |
| 1419 | } |
| 1420 | |
| 1421 | void |
| 1422 | mi_cmd_data_read_memory_bytes (const char *command, char **argv, int argc) |
| 1423 | { |
| 1424 | struct gdbarch *gdbarch = get_current_arch (); |
| 1425 | struct ui_out *uiout = current_uiout; |
| 1426 | CORE_ADDR addr; |
| 1427 | LONGEST length; |
| 1428 | long offset = 0; |
| 1429 | int unit_size = gdbarch_addressable_memory_unit_size (gdbarch); |
| 1430 | int oind = 0; |
| 1431 | char *oarg; |
| 1432 | enum opt |
| 1433 | { |
| 1434 | OFFSET_OPT |
| 1435 | }; |
| 1436 | static const struct mi_opt opts[] = |
| 1437 | { |
| 1438 | {"o", OFFSET_OPT, 1}, |
| 1439 | { 0, 0, 0 } |
| 1440 | }; |
| 1441 | |
| 1442 | while (1) |
| 1443 | { |
| 1444 | int opt = mi_getopt ("-data-read-memory-bytes", argc, argv, opts, |
| 1445 | &oind, &oarg); |
| 1446 | if (opt < 0) |
| 1447 | break; |
| 1448 | switch ((enum opt) opt) |
| 1449 | { |
| 1450 | case OFFSET_OPT: |
| 1451 | offset = atol (oarg); |
| 1452 | break; |
| 1453 | } |
| 1454 | } |
| 1455 | argv += oind; |
| 1456 | argc -= oind; |
| 1457 | |
| 1458 | if (argc != 2) |
| 1459 | error (_("Usage: [ -o OFFSET ] ADDR LENGTH.")); |
| 1460 | |
| 1461 | addr = parse_and_eval_address (argv[0]) + offset; |
| 1462 | length = atol (argv[1]); |
| 1463 | |
| 1464 | std::vector<memory_read_result> result |
| 1465 | = read_memory_robust (current_top_target (), addr, length); |
| 1466 | |
| 1467 | if (result.size () == 0) |
| 1468 | error (_("Unable to read memory.")); |
| 1469 | |
| 1470 | ui_out_emit_list list_emitter (uiout, "memory"); |
| 1471 | for (const memory_read_result &read_result : result) |
| 1472 | { |
| 1473 | ui_out_emit_tuple tuple_emitter (uiout, NULL); |
| 1474 | |
| 1475 | uiout->field_core_addr ("begin", gdbarch, read_result.begin); |
| 1476 | uiout->field_core_addr ("offset", gdbarch, read_result.begin - addr); |
| 1477 | uiout->field_core_addr ("end", gdbarch, read_result.end); |
| 1478 | |
| 1479 | std::string data = bin2hex (read_result.data.get (), |
| 1480 | (read_result.end - read_result.begin) |
| 1481 | * unit_size); |
| 1482 | uiout->field_string ("contents", data.c_str ()); |
| 1483 | } |
| 1484 | } |
| 1485 | |
| 1486 | /* Implementation of the -data-write_memory command. |
| 1487 | |
| 1488 | COLUMN_OFFSET: optional argument. Must be preceded by '-o'. The |
| 1489 | offset from the beginning of the memory grid row where the cell to |
| 1490 | be written is. |
| 1491 | ADDR: start address of the row in the memory grid where the memory |
| 1492 | cell is, if OFFSET_COLUMN is specified. Otherwise, the address of |
| 1493 | the location to write to. |
| 1494 | FORMAT: a char indicating format for the ``word''. See |
| 1495 | the ``x'' command. |
| 1496 | WORD_SIZE: size of each ``word''; 1,2,4, or 8 bytes |
| 1497 | VALUE: value to be written into the memory address. |
| 1498 | |
| 1499 | Writes VALUE into ADDR + (COLUMN_OFFSET * WORD_SIZE). |
| 1500 | |
| 1501 | Prints nothing. */ |
| 1502 | |
| 1503 | void |
| 1504 | mi_cmd_data_write_memory (const char *command, char **argv, int argc) |
| 1505 | { |
| 1506 | struct gdbarch *gdbarch = get_current_arch (); |
| 1507 | enum bfd_endian byte_order = gdbarch_byte_order (gdbarch); |
| 1508 | CORE_ADDR addr; |
| 1509 | long word_size; |
| 1510 | /* FIXME: ezannoni 2000-02-17 LONGEST could possibly not be big |
| 1511 | enough when using a compiler other than GCC. */ |
| 1512 | LONGEST value; |
| 1513 | long offset = 0; |
| 1514 | int oind = 0; |
| 1515 | char *oarg; |
| 1516 | enum opt |
| 1517 | { |
| 1518 | OFFSET_OPT |
| 1519 | }; |
| 1520 | static const struct mi_opt opts[] = |
| 1521 | { |
| 1522 | {"o", OFFSET_OPT, 1}, |
| 1523 | { 0, 0, 0 } |
| 1524 | }; |
| 1525 | |
| 1526 | while (1) |
| 1527 | { |
| 1528 | int opt = mi_getopt ("-data-write-memory", argc, argv, opts, |
| 1529 | &oind, &oarg); |
| 1530 | |
| 1531 | if (opt < 0) |
| 1532 | break; |
| 1533 | switch ((enum opt) opt) |
| 1534 | { |
| 1535 | case OFFSET_OPT: |
| 1536 | offset = atol (oarg); |
| 1537 | break; |
| 1538 | } |
| 1539 | } |
| 1540 | argv += oind; |
| 1541 | argc -= oind; |
| 1542 | |
| 1543 | if (argc != 4) |
| 1544 | error (_("-data-write-memory: Usage: " |
| 1545 | "[-o COLUMN_OFFSET] ADDR FORMAT WORD-SIZE VALUE.")); |
| 1546 | |
| 1547 | /* Extract all the arguments. */ |
| 1548 | /* Start address of the memory dump. */ |
| 1549 | addr = parse_and_eval_address (argv[0]); |
| 1550 | /* The size of the memory word. */ |
| 1551 | word_size = atol (argv[2]); |
| 1552 | |
| 1553 | /* Calculate the real address of the write destination. */ |
| 1554 | addr += (offset * word_size); |
| 1555 | |
| 1556 | /* Get the value as a number. */ |
| 1557 | value = parse_and_eval_address (argv[3]); |
| 1558 | /* Get the value into an array. */ |
| 1559 | gdb::byte_vector buffer (word_size); |
| 1560 | store_signed_integer (buffer.data (), word_size, byte_order, value); |
| 1561 | /* Write it down to memory. */ |
| 1562 | write_memory_with_notification (addr, buffer.data (), word_size); |
| 1563 | } |
| 1564 | |
| 1565 | /* Implementation of the -data-write-memory-bytes command. |
| 1566 | |
| 1567 | ADDR: start address |
| 1568 | DATA: string of bytes to write at that address |
| 1569 | COUNT: number of bytes to be filled (decimal integer). */ |
| 1570 | |
| 1571 | void |
| 1572 | mi_cmd_data_write_memory_bytes (const char *command, char **argv, int argc) |
| 1573 | { |
| 1574 | CORE_ADDR addr; |
| 1575 | char *cdata; |
| 1576 | size_t len_hex, len_bytes, len_units, i, steps, remaining_units; |
| 1577 | long int count_units; |
| 1578 | int unit_size; |
| 1579 | |
| 1580 | if (argc != 2 && argc != 3) |
| 1581 | error (_("Usage: ADDR DATA [COUNT].")); |
| 1582 | |
| 1583 | addr = parse_and_eval_address (argv[0]); |
| 1584 | cdata = argv[1]; |
| 1585 | len_hex = strlen (cdata); |
| 1586 | unit_size = gdbarch_addressable_memory_unit_size (get_current_arch ()); |
| 1587 | |
| 1588 | if (len_hex % (unit_size * 2) != 0) |
| 1589 | error (_("Hex-encoded '%s' must represent an integral number of " |
| 1590 | "addressable memory units."), |
| 1591 | cdata); |
| 1592 | |
| 1593 | len_bytes = len_hex / 2; |
| 1594 | len_units = len_bytes / unit_size; |
| 1595 | |
| 1596 | if (argc == 3) |
| 1597 | count_units = strtoul (argv[2], NULL, 10); |
| 1598 | else |
| 1599 | count_units = len_units; |
| 1600 | |
| 1601 | gdb::byte_vector databuf (len_bytes); |
| 1602 | |
| 1603 | for (i = 0; i < len_bytes; ++i) |
| 1604 | { |
| 1605 | int x; |
| 1606 | if (sscanf (cdata + i * 2, "%02x", &x) != 1) |
| 1607 | error (_("Invalid argument")); |
| 1608 | databuf[i] = (gdb_byte) x; |
| 1609 | } |
| 1610 | |
| 1611 | gdb::byte_vector data; |
| 1612 | if (len_units < count_units) |
| 1613 | { |
| 1614 | /* Pattern is made of less units than count: |
| 1615 | repeat pattern to fill memory. */ |
| 1616 | data = gdb::byte_vector (count_units * unit_size); |
| 1617 | |
| 1618 | /* Number of times the pattern is entirely repeated. */ |
| 1619 | steps = count_units / len_units; |
| 1620 | /* Number of remaining addressable memory units. */ |
| 1621 | remaining_units = count_units % len_units; |
| 1622 | for (i = 0; i < steps; i++) |
| 1623 | memcpy (&data[i * len_bytes], &databuf[0], len_bytes); |
| 1624 | |
| 1625 | if (remaining_units > 0) |
| 1626 | memcpy (&data[steps * len_bytes], &databuf[0], |
| 1627 | remaining_units * unit_size); |
| 1628 | } |
| 1629 | else |
| 1630 | { |
| 1631 | /* Pattern is longer than or equal to count: |
| 1632 | just copy count addressable memory units. */ |
| 1633 | data = std::move (databuf); |
| 1634 | } |
| 1635 | |
| 1636 | write_memory_with_notification (addr, data.data (), count_units); |
| 1637 | } |
| 1638 | |
| 1639 | void |
| 1640 | mi_cmd_enable_timings (const char *command, char **argv, int argc) |
| 1641 | { |
| 1642 | if (argc == 0) |
| 1643 | do_timings = 1; |
| 1644 | else if (argc == 1) |
| 1645 | { |
| 1646 | if (strcmp (argv[0], "yes") == 0) |
| 1647 | do_timings = 1; |
| 1648 | else if (strcmp (argv[0], "no") == 0) |
| 1649 | do_timings = 0; |
| 1650 | else |
| 1651 | goto usage_error; |
| 1652 | } |
| 1653 | else |
| 1654 | goto usage_error; |
| 1655 | |
| 1656 | return; |
| 1657 | |
| 1658 | usage_error: |
| 1659 | error (_("-enable-timings: Usage: %s {yes|no}"), command); |
| 1660 | } |
| 1661 | |
| 1662 | void |
| 1663 | mi_cmd_list_features (const char *command, char **argv, int argc) |
| 1664 | { |
| 1665 | if (argc == 0) |
| 1666 | { |
| 1667 | struct ui_out *uiout = current_uiout; |
| 1668 | |
| 1669 | ui_out_emit_list list_emitter (uiout, "features"); |
| 1670 | uiout->field_string (NULL, "frozen-varobjs"); |
| 1671 | uiout->field_string (NULL, "pending-breakpoints"); |
| 1672 | uiout->field_string (NULL, "thread-info"); |
| 1673 | uiout->field_string (NULL, "data-read-memory-bytes"); |
| 1674 | uiout->field_string (NULL, "breakpoint-notifications"); |
| 1675 | uiout->field_string (NULL, "ada-task-info"); |
| 1676 | uiout->field_string (NULL, "language-option"); |
| 1677 | uiout->field_string (NULL, "info-gdb-mi-command"); |
| 1678 | uiout->field_string (NULL, "undefined-command-error-code"); |
| 1679 | uiout->field_string (NULL, "exec-run-start-option"); |
| 1680 | uiout->field_string (NULL, "data-disassemble-a-option"); |
| 1681 | |
| 1682 | if (ext_lang_initialized_p (get_ext_lang_defn (EXT_LANG_PYTHON))) |
| 1683 | uiout->field_string (NULL, "python"); |
| 1684 | |
| 1685 | return; |
| 1686 | } |
| 1687 | |
| 1688 | error (_("-list-features should be passed no arguments")); |
| 1689 | } |
| 1690 | |
| 1691 | void |
| 1692 | mi_cmd_list_target_features (const char *command, char **argv, int argc) |
| 1693 | { |
| 1694 | if (argc == 0) |
| 1695 | { |
| 1696 | struct ui_out *uiout = current_uiout; |
| 1697 | |
| 1698 | ui_out_emit_list list_emitter (uiout, "features"); |
| 1699 | if (mi_async_p ()) |
| 1700 | uiout->field_string (NULL, "async"); |
| 1701 | if (target_can_execute_reverse) |
| 1702 | uiout->field_string (NULL, "reverse"); |
| 1703 | return; |
| 1704 | } |
| 1705 | |
| 1706 | error (_("-list-target-features should be passed no arguments")); |
| 1707 | } |
| 1708 | |
| 1709 | void |
| 1710 | mi_cmd_add_inferior (const char *command, char **argv, int argc) |
| 1711 | { |
| 1712 | struct inferior *inf; |
| 1713 | |
| 1714 | if (argc != 0) |
| 1715 | error (_("-add-inferior should be passed no arguments")); |
| 1716 | |
| 1717 | inf = add_inferior_with_spaces (); |
| 1718 | |
| 1719 | current_uiout->field_fmt ("inferior", "i%d", inf->num); |
| 1720 | } |
| 1721 | |
| 1722 | /* Callback used to find the first inferior other than the current |
| 1723 | one. */ |
| 1724 | |
| 1725 | static int |
| 1726 | get_other_inferior (struct inferior *inf, void *arg) |
| 1727 | { |
| 1728 | if (inf == current_inferior ()) |
| 1729 | return 0; |
| 1730 | |
| 1731 | return 1; |
| 1732 | } |
| 1733 | |
| 1734 | void |
| 1735 | mi_cmd_remove_inferior (const char *command, char **argv, int argc) |
| 1736 | { |
| 1737 | int id; |
| 1738 | struct inferior *inf; |
| 1739 | |
| 1740 | if (argc != 1) |
| 1741 | error (_("-remove-inferior should be passed a single argument")); |
| 1742 | |
| 1743 | if (sscanf (argv[0], "i%d", &id) != 1) |
| 1744 | error (_("the thread group id is syntactically invalid")); |
| 1745 | |
| 1746 | inf = find_inferior_id (id); |
| 1747 | if (!inf) |
| 1748 | error (_("the specified thread group does not exist")); |
| 1749 | |
| 1750 | if (inf->pid != 0) |
| 1751 | error (_("cannot remove an active inferior")); |
| 1752 | |
| 1753 | if (inf == current_inferior ()) |
| 1754 | { |
| 1755 | struct thread_info *tp = 0; |
| 1756 | struct inferior *new_inferior |
| 1757 | = iterate_over_inferiors (get_other_inferior, NULL); |
| 1758 | |
| 1759 | if (new_inferior == NULL) |
| 1760 | error (_("Cannot remove last inferior")); |
| 1761 | |
| 1762 | set_current_inferior (new_inferior); |
| 1763 | if (new_inferior->pid != 0) |
| 1764 | tp = any_thread_of_inferior (new_inferior); |
| 1765 | if (tp != NULL) |
| 1766 | switch_to_thread (tp); |
| 1767 | else |
| 1768 | switch_to_no_thread (); |
| 1769 | set_current_program_space (new_inferior->pspace); |
| 1770 | } |
| 1771 | |
| 1772 | delete_inferior (inf); |
| 1773 | } |
| 1774 | |
| 1775 | \f |
| 1776 | |
| 1777 | /* Execute a command within a safe environment. |
| 1778 | Return <0 for error; >=0 for ok. |
| 1779 | |
| 1780 | args->action will tell mi_execute_command what action |
| 1781 | to perform after the given command has executed (display/suppress |
| 1782 | prompt, display error). */ |
| 1783 | |
| 1784 | static void |
| 1785 | captured_mi_execute_command (struct ui_out *uiout, struct mi_parse *context) |
| 1786 | { |
| 1787 | struct mi_interp *mi = (struct mi_interp *) command_interp (); |
| 1788 | |
| 1789 | if (do_timings) |
| 1790 | current_command_ts = context->cmd_start; |
| 1791 | |
| 1792 | scoped_restore save_token = make_scoped_restore (¤t_token, |
| 1793 | context->token); |
| 1794 | |
| 1795 | running_result_record_printed = 0; |
| 1796 | mi_proceeded = 0; |
| 1797 | switch (context->op) |
| 1798 | { |
| 1799 | case MI_COMMAND: |
| 1800 | /* A MI command was read from the input stream. */ |
| 1801 | if (mi_debug_p) |
| 1802 | /* FIXME: gdb_???? */ |
| 1803 | fprintf_unfiltered (mi->raw_stdout, |
| 1804 | " token=`%s' command=`%s' args=`%s'\n", |
| 1805 | context->token, context->command, context->args); |
| 1806 | |
| 1807 | mi_cmd_execute (context); |
| 1808 | |
| 1809 | /* Print the result if there were no errors. |
| 1810 | |
| 1811 | Remember that on the way out of executing a command, you have |
| 1812 | to directly use the mi_interp's uiout, since the command |
| 1813 | could have reset the interpreter, in which case the current |
| 1814 | uiout will most likely crash in the mi_out_* routines. */ |
| 1815 | if (!running_result_record_printed) |
| 1816 | { |
| 1817 | fputs_unfiltered (context->token, mi->raw_stdout); |
| 1818 | /* There's no particularly good reason why target-connect results |
| 1819 | in not ^done. Should kill ^connected for MI3. */ |
| 1820 | fputs_unfiltered (strcmp (context->command, "target-select") == 0 |
| 1821 | ? "^connected" : "^done", mi->raw_stdout); |
| 1822 | mi_out_put (uiout, mi->raw_stdout); |
| 1823 | mi_out_rewind (uiout); |
| 1824 | mi_print_timing_maybe (mi->raw_stdout); |
| 1825 | fputs_unfiltered ("\n", mi->raw_stdout); |
| 1826 | } |
| 1827 | else |
| 1828 | /* The command does not want anything to be printed. In that |
| 1829 | case, the command probably should not have written anything |
| 1830 | to uiout, but in case it has written something, discard it. */ |
| 1831 | mi_out_rewind (uiout); |
| 1832 | break; |
| 1833 | |
| 1834 | case CLI_COMMAND: |
| 1835 | { |
| 1836 | char *argv[2]; |
| 1837 | |
| 1838 | /* A CLI command was read from the input stream. */ |
| 1839 | /* This "feature" will be removed as soon as we have a |
| 1840 | complete set of mi commands. */ |
| 1841 | /* Echo the command on the console. */ |
| 1842 | fprintf_unfiltered (gdb_stdlog, "%s\n", context->command); |
| 1843 | /* Call the "console" interpreter. */ |
| 1844 | argv[0] = (char *) INTERP_CONSOLE; |
| 1845 | argv[1] = context->command; |
| 1846 | mi_cmd_interpreter_exec ("-interpreter-exec", argv, 2); |
| 1847 | |
| 1848 | /* If we changed interpreters, DON'T print out anything. */ |
| 1849 | if (current_interp_named_p (INTERP_MI) |
| 1850 | || current_interp_named_p (INTERP_MI1) |
| 1851 | || current_interp_named_p (INTERP_MI2) |
| 1852 | || current_interp_named_p (INTERP_MI3)) |
| 1853 | { |
| 1854 | if (!running_result_record_printed) |
| 1855 | { |
| 1856 | fputs_unfiltered (context->token, mi->raw_stdout); |
| 1857 | fputs_unfiltered ("^done", mi->raw_stdout); |
| 1858 | mi_out_put (uiout, mi->raw_stdout); |
| 1859 | mi_out_rewind (uiout); |
| 1860 | mi_print_timing_maybe (mi->raw_stdout); |
| 1861 | fputs_unfiltered ("\n", mi->raw_stdout); |
| 1862 | } |
| 1863 | else |
| 1864 | mi_out_rewind (uiout); |
| 1865 | } |
| 1866 | break; |
| 1867 | } |
| 1868 | } |
| 1869 | } |
| 1870 | |
| 1871 | /* Print a gdb exception to the MI output stream. */ |
| 1872 | |
| 1873 | static void |
| 1874 | mi_print_exception (const char *token, const struct gdb_exception &exception) |
| 1875 | { |
| 1876 | struct mi_interp *mi = (struct mi_interp *) current_interpreter (); |
| 1877 | |
| 1878 | fputs_unfiltered (token, mi->raw_stdout); |
| 1879 | fputs_unfiltered ("^error,msg=\"", mi->raw_stdout); |
| 1880 | if (exception.message == NULL) |
| 1881 | fputs_unfiltered ("unknown error", mi->raw_stdout); |
| 1882 | else |
| 1883 | fputstr_unfiltered (exception.what (), '"', mi->raw_stdout); |
| 1884 | fputs_unfiltered ("\"", mi->raw_stdout); |
| 1885 | |
| 1886 | switch (exception.error) |
| 1887 | { |
| 1888 | case UNDEFINED_COMMAND_ERROR: |
| 1889 | fputs_unfiltered (",code=\"undefined-command\"", mi->raw_stdout); |
| 1890 | break; |
| 1891 | } |
| 1892 | |
| 1893 | fputs_unfiltered ("\n", mi->raw_stdout); |
| 1894 | } |
| 1895 | |
| 1896 | /* Determine whether the parsed command already notifies the |
| 1897 | user_selected_context_changed observer. */ |
| 1898 | |
| 1899 | static int |
| 1900 | command_notifies_uscc_observer (struct mi_parse *command) |
| 1901 | { |
| 1902 | if (command->op == CLI_COMMAND) |
| 1903 | { |
| 1904 | /* CLI commands "thread" and "inferior" already send it. */ |
| 1905 | return (strncmp (command->command, "thread ", 7) == 0 |
| 1906 | || strncmp (command->command, "inferior ", 9) == 0); |
| 1907 | } |
| 1908 | else /* MI_COMMAND */ |
| 1909 | { |
| 1910 | if (strcmp (command->command, "interpreter-exec") == 0 |
| 1911 | && command->argc > 1) |
| 1912 | { |
| 1913 | /* "thread" and "inferior" again, but through -interpreter-exec. */ |
| 1914 | return (strncmp (command->argv[1], "thread ", 7) == 0 |
| 1915 | || strncmp (command->argv[1], "inferior ", 9) == 0); |
| 1916 | } |
| 1917 | |
| 1918 | else |
| 1919 | /* -thread-select already sends it. */ |
| 1920 | return strcmp (command->command, "thread-select") == 0; |
| 1921 | } |
| 1922 | } |
| 1923 | |
| 1924 | void |
| 1925 | mi_execute_command (const char *cmd, int from_tty) |
| 1926 | { |
| 1927 | char *token; |
| 1928 | std::unique_ptr<struct mi_parse> command; |
| 1929 | |
| 1930 | /* This is to handle EOF (^D). We just quit gdb. */ |
| 1931 | /* FIXME: we should call some API function here. */ |
| 1932 | if (cmd == 0) |
| 1933 | quit_force (NULL, from_tty); |
| 1934 | |
| 1935 | target_log_command (cmd); |
| 1936 | |
| 1937 | try |
| 1938 | { |
| 1939 | command = mi_parse (cmd, &token); |
| 1940 | } |
| 1941 | catch (const gdb_exception &exception) |
| 1942 | { |
| 1943 | mi_print_exception (token, exception); |
| 1944 | xfree (token); |
| 1945 | } |
| 1946 | |
| 1947 | if (command != NULL) |
| 1948 | { |
| 1949 | ptid_t previous_ptid = inferior_ptid; |
| 1950 | |
| 1951 | gdb::optional<scoped_restore_tmpl<int>> restore_suppress; |
| 1952 | |
| 1953 | if (command->cmd != NULL && command->cmd->suppress_notification != NULL) |
| 1954 | restore_suppress.emplace (command->cmd->suppress_notification, 1); |
| 1955 | |
| 1956 | command->token = token; |
| 1957 | |
| 1958 | if (do_timings) |
| 1959 | { |
| 1960 | command->cmd_start = new mi_timestamp (); |
| 1961 | timestamp (command->cmd_start); |
| 1962 | } |
| 1963 | |
| 1964 | try |
| 1965 | { |
| 1966 | captured_mi_execute_command (current_uiout, command.get ()); |
| 1967 | } |
| 1968 | catch (const gdb_exception &result) |
| 1969 | { |
| 1970 | /* Like in start_event_loop, enable input and force display |
| 1971 | of the prompt. Otherwise, any command that calls |
| 1972 | async_disable_stdin, and then throws, will leave input |
| 1973 | disabled. */ |
| 1974 | async_enable_stdin (); |
| 1975 | current_ui->prompt_state = PROMPT_NEEDED; |
| 1976 | |
| 1977 | /* The command execution failed and error() was called |
| 1978 | somewhere. */ |
| 1979 | mi_print_exception (command->token, result); |
| 1980 | mi_out_rewind (current_uiout); |
| 1981 | } |
| 1982 | |
| 1983 | bpstat_do_actions (); |
| 1984 | |
| 1985 | if (/* The notifications are only output when the top-level |
| 1986 | interpreter (specified on the command line) is MI. */ |
| 1987 | top_level_interpreter ()->interp_ui_out ()->is_mi_like_p () |
| 1988 | /* Don't try report anything if there are no threads -- |
| 1989 | the program is dead. */ |
| 1990 | && any_thread_p () |
| 1991 | /* If the command already reports the thread change, no need to do it |
| 1992 | again. */ |
| 1993 | && !command_notifies_uscc_observer (command.get ())) |
| 1994 | { |
| 1995 | int report_change = 0; |
| 1996 | |
| 1997 | if (command->thread == -1) |
| 1998 | { |
| 1999 | report_change = (previous_ptid != null_ptid |
| 2000 | && inferior_ptid != previous_ptid |
| 2001 | && inferior_ptid != null_ptid); |
| 2002 | } |
| 2003 | else if (inferior_ptid != null_ptid) |
| 2004 | { |
| 2005 | struct thread_info *ti = inferior_thread (); |
| 2006 | |
| 2007 | report_change = (ti->global_num != command->thread); |
| 2008 | } |
| 2009 | |
| 2010 | if (report_change) |
| 2011 | { |
| 2012 | gdb::observers::user_selected_context_changed.notify |
| 2013 | (USER_SELECTED_THREAD | USER_SELECTED_FRAME); |
| 2014 | } |
| 2015 | } |
| 2016 | } |
| 2017 | } |
| 2018 | |
| 2019 | static void |
| 2020 | mi_cmd_execute (struct mi_parse *parse) |
| 2021 | { |
| 2022 | scoped_value_mark cleanup = prepare_execute_command (); |
| 2023 | |
| 2024 | if (parse->all && parse->thread_group != -1) |
| 2025 | error (_("Cannot specify --thread-group together with --all")); |
| 2026 | |
| 2027 | if (parse->all && parse->thread != -1) |
| 2028 | error (_("Cannot specify --thread together with --all")); |
| 2029 | |
| 2030 | if (parse->thread_group != -1 && parse->thread != -1) |
| 2031 | error (_("Cannot specify --thread together with --thread-group")); |
| 2032 | |
| 2033 | if (parse->frame != -1 && parse->thread == -1) |
| 2034 | error (_("Cannot specify --frame without --thread")); |
| 2035 | |
| 2036 | if (parse->thread_group != -1) |
| 2037 | { |
| 2038 | struct inferior *inf = find_inferior_id (parse->thread_group); |
| 2039 | struct thread_info *tp = 0; |
| 2040 | |
| 2041 | if (!inf) |
| 2042 | error (_("Invalid thread group for the --thread-group option")); |
| 2043 | |
| 2044 | set_current_inferior (inf); |
| 2045 | /* This behaviour means that if --thread-group option identifies |
| 2046 | an inferior with multiple threads, then a random one will be |
| 2047 | picked. This is not a problem -- frontend should always |
| 2048 | provide --thread if it wishes to operate on a specific |
| 2049 | thread. */ |
| 2050 | if (inf->pid != 0) |
| 2051 | tp = any_live_thread_of_inferior (inf); |
| 2052 | if (tp != NULL) |
| 2053 | switch_to_thread (tp); |
| 2054 | else |
| 2055 | switch_to_no_thread (); |
| 2056 | set_current_program_space (inf->pspace); |
| 2057 | } |
| 2058 | |
| 2059 | if (parse->thread != -1) |
| 2060 | { |
| 2061 | thread_info *tp = find_thread_global_id (parse->thread); |
| 2062 | |
| 2063 | if (tp == NULL) |
| 2064 | error (_("Invalid thread id: %d"), parse->thread); |
| 2065 | |
| 2066 | if (tp->state == THREAD_EXITED) |
| 2067 | error (_("Thread id: %d has terminated"), parse->thread); |
| 2068 | |
| 2069 | switch_to_thread (tp); |
| 2070 | } |
| 2071 | |
| 2072 | if (parse->frame != -1) |
| 2073 | { |
| 2074 | struct frame_info *fid; |
| 2075 | int frame = parse->frame; |
| 2076 | |
| 2077 | fid = find_relative_frame (get_current_frame (), &frame); |
| 2078 | if (frame == 0) |
| 2079 | /* find_relative_frame was successful */ |
| 2080 | select_frame (fid); |
| 2081 | else |
| 2082 | error (_("Invalid frame id: %d"), frame); |
| 2083 | } |
| 2084 | |
| 2085 | gdb::optional<scoped_restore_current_language> lang_saver; |
| 2086 | if (parse->language != language_unknown) |
| 2087 | { |
| 2088 | lang_saver.emplace (); |
| 2089 | set_language (parse->language); |
| 2090 | } |
| 2091 | |
| 2092 | current_context = parse; |
| 2093 | |
| 2094 | if (parse->cmd->argv_func != NULL) |
| 2095 | { |
| 2096 | parse->cmd->argv_func (parse->command, parse->argv, parse->argc); |
| 2097 | } |
| 2098 | else if (parse->cmd->cli.cmd != 0) |
| 2099 | { |
| 2100 | /* FIXME: DELETE THIS. */ |
| 2101 | /* The operation is still implemented by a cli command. */ |
| 2102 | /* Must be a synchronous one. */ |
| 2103 | mi_execute_cli_command (parse->cmd->cli.cmd, parse->cmd->cli.args_p, |
| 2104 | parse->args); |
| 2105 | } |
| 2106 | else |
| 2107 | { |
| 2108 | /* FIXME: DELETE THIS. */ |
| 2109 | string_file stb; |
| 2110 | |
| 2111 | stb.puts ("Undefined mi command: "); |
| 2112 | stb.putstr (parse->command, '"'); |
| 2113 | stb.puts (" (missing implementation)"); |
| 2114 | |
| 2115 | error_stream (stb); |
| 2116 | } |
| 2117 | } |
| 2118 | |
| 2119 | /* FIXME: This is just a hack so we can get some extra commands going. |
| 2120 | We don't want to channel things through the CLI, but call libgdb directly. |
| 2121 | Use only for synchronous commands. */ |
| 2122 | |
| 2123 | void |
| 2124 | mi_execute_cli_command (const char *cmd, int args_p, const char *args) |
| 2125 | { |
| 2126 | if (cmd != 0) |
| 2127 | { |
| 2128 | std::string run = cmd; |
| 2129 | |
| 2130 | if (args_p) |
| 2131 | run = run + " " + args; |
| 2132 | if (mi_debug_p) |
| 2133 | /* FIXME: gdb_???? */ |
| 2134 | fprintf_unfiltered (gdb_stdout, "cli=%s run=%s\n", |
| 2135 | cmd, run.c_str ()); |
| 2136 | execute_command (run.c_str (), 0 /* from_tty */ ); |
| 2137 | } |
| 2138 | } |
| 2139 | |
| 2140 | void |
| 2141 | mi_execute_async_cli_command (const char *cli_command, char **argv, int argc) |
| 2142 | { |
| 2143 | std::string run = cli_command; |
| 2144 | |
| 2145 | if (argc) |
| 2146 | run = run + " " + *argv; |
| 2147 | if (mi_async_p ()) |
| 2148 | run += "&"; |
| 2149 | |
| 2150 | execute_command (run.c_str (), 0 /* from_tty */ ); |
| 2151 | } |
| 2152 | |
| 2153 | void |
| 2154 | mi_load_progress (const char *section_name, |
| 2155 | unsigned long sent_so_far, |
| 2156 | unsigned long total_section, |
| 2157 | unsigned long total_sent, |
| 2158 | unsigned long grand_total) |
| 2159 | { |
| 2160 | using namespace std::chrono; |
| 2161 | static steady_clock::time_point last_update; |
| 2162 | static char *previous_sect_name = NULL; |
| 2163 | int new_section; |
| 2164 | struct mi_interp *mi = (struct mi_interp *) current_interpreter (); |
| 2165 | |
| 2166 | /* This function is called through deprecated_show_load_progress |
| 2167 | which means uiout may not be correct. Fix it for the duration |
| 2168 | of this function. */ |
| 2169 | |
| 2170 | std::unique_ptr<ui_out> uiout (mi_out_new (current_interpreter ()->name ())); |
| 2171 | if (uiout == nullptr) |
| 2172 | return; |
| 2173 | |
| 2174 | scoped_restore save_uiout |
| 2175 | = make_scoped_restore (¤t_uiout, uiout.get ()); |
| 2176 | |
| 2177 | new_section = (previous_sect_name ? |
| 2178 | strcmp (previous_sect_name, section_name) : 1); |
| 2179 | if (new_section) |
| 2180 | { |
| 2181 | xfree (previous_sect_name); |
| 2182 | previous_sect_name = xstrdup (section_name); |
| 2183 | |
| 2184 | if (current_token) |
| 2185 | fputs_unfiltered (current_token, mi->raw_stdout); |
| 2186 | fputs_unfiltered ("+download", mi->raw_stdout); |
| 2187 | { |
| 2188 | ui_out_emit_tuple tuple_emitter (uiout.get (), NULL); |
| 2189 | uiout->field_string ("section", section_name); |
| 2190 | uiout->field_signed ("section-size", total_section); |
| 2191 | uiout->field_signed ("total-size", grand_total); |
| 2192 | } |
| 2193 | mi_out_put (uiout.get (), mi->raw_stdout); |
| 2194 | fputs_unfiltered ("\n", mi->raw_stdout); |
| 2195 | gdb_flush (mi->raw_stdout); |
| 2196 | } |
| 2197 | |
| 2198 | steady_clock::time_point time_now = steady_clock::now (); |
| 2199 | if (time_now - last_update > milliseconds (500)) |
| 2200 | { |
| 2201 | last_update = time_now; |
| 2202 | if (current_token) |
| 2203 | fputs_unfiltered (current_token, mi->raw_stdout); |
| 2204 | fputs_unfiltered ("+download", mi->raw_stdout); |
| 2205 | { |
| 2206 | ui_out_emit_tuple tuple_emitter (uiout.get (), NULL); |
| 2207 | uiout->field_string ("section", section_name); |
| 2208 | uiout->field_signed ("section-sent", sent_so_far); |
| 2209 | uiout->field_signed ("section-size", total_section); |
| 2210 | uiout->field_signed ("total-sent", total_sent); |
| 2211 | uiout->field_signed ("total-size", grand_total); |
| 2212 | } |
| 2213 | mi_out_put (uiout.get (), mi->raw_stdout); |
| 2214 | fputs_unfiltered ("\n", mi->raw_stdout); |
| 2215 | gdb_flush (mi->raw_stdout); |
| 2216 | } |
| 2217 | } |
| 2218 | |
| 2219 | static void |
| 2220 | timestamp (struct mi_timestamp *tv) |
| 2221 | { |
| 2222 | using namespace std::chrono; |
| 2223 | |
| 2224 | tv->wallclock = steady_clock::now (); |
| 2225 | run_time_clock::now (tv->utime, tv->stime); |
| 2226 | } |
| 2227 | |
| 2228 | static void |
| 2229 | print_diff_now (struct ui_file *file, struct mi_timestamp *start) |
| 2230 | { |
| 2231 | struct mi_timestamp now; |
| 2232 | |
| 2233 | timestamp (&now); |
| 2234 | print_diff (file, start, &now); |
| 2235 | } |
| 2236 | |
| 2237 | void |
| 2238 | mi_print_timing_maybe (struct ui_file *file) |
| 2239 | { |
| 2240 | /* If the command is -enable-timing then do_timings may be true |
| 2241 | whilst current_command_ts is not initialized. */ |
| 2242 | if (do_timings && current_command_ts) |
| 2243 | print_diff_now (file, current_command_ts); |
| 2244 | } |
| 2245 | |
| 2246 | static void |
| 2247 | print_diff (struct ui_file *file, struct mi_timestamp *start, |
| 2248 | struct mi_timestamp *end) |
| 2249 | { |
| 2250 | using namespace std::chrono; |
| 2251 | |
| 2252 | duration<double> wallclock = end->wallclock - start->wallclock; |
| 2253 | duration<double> utime = end->utime - start->utime; |
| 2254 | duration<double> stime = end->stime - start->stime; |
| 2255 | |
| 2256 | fprintf_unfiltered |
| 2257 | (file, |
| 2258 | ",time={wallclock=\"%0.5f\",user=\"%0.5f\",system=\"%0.5f\"}", |
| 2259 | wallclock.count (), utime.count (), stime.count ()); |
| 2260 | } |
| 2261 | |
| 2262 | void |
| 2263 | mi_cmd_trace_define_variable (const char *command, char **argv, int argc) |
| 2264 | { |
| 2265 | LONGEST initval = 0; |
| 2266 | struct trace_state_variable *tsv; |
| 2267 | char *name = 0; |
| 2268 | |
| 2269 | if (argc != 1 && argc != 2) |
| 2270 | error (_("Usage: -trace-define-variable VARIABLE [VALUE]")); |
| 2271 | |
| 2272 | name = argv[0]; |
| 2273 | if (*name++ != '$') |
| 2274 | error (_("Name of trace variable should start with '$'")); |
| 2275 | |
| 2276 | validate_trace_state_variable_name (name); |
| 2277 | |
| 2278 | tsv = find_trace_state_variable (name); |
| 2279 | if (!tsv) |
| 2280 | tsv = create_trace_state_variable (name); |
| 2281 | |
| 2282 | if (argc == 2) |
| 2283 | initval = value_as_long (parse_and_eval (argv[1])); |
| 2284 | |
| 2285 | tsv->initial_value = initval; |
| 2286 | } |
| 2287 | |
| 2288 | void |
| 2289 | mi_cmd_trace_list_variables (const char *command, char **argv, int argc) |
| 2290 | { |
| 2291 | if (argc != 0) |
| 2292 | error (_("-trace-list-variables: no arguments allowed")); |
| 2293 | |
| 2294 | tvariables_info_1 (); |
| 2295 | } |
| 2296 | |
| 2297 | void |
| 2298 | mi_cmd_trace_find (const char *command, char **argv, int argc) |
| 2299 | { |
| 2300 | char *mode; |
| 2301 | |
| 2302 | if (argc == 0) |
| 2303 | error (_("trace selection mode is required")); |
| 2304 | |
| 2305 | mode = argv[0]; |
| 2306 | |
| 2307 | if (strcmp (mode, "none") == 0) |
| 2308 | { |
| 2309 | tfind_1 (tfind_number, -1, 0, 0, 0); |
| 2310 | return; |
| 2311 | } |
| 2312 | |
| 2313 | check_trace_running (current_trace_status ()); |
| 2314 | |
| 2315 | if (strcmp (mode, "frame-number") == 0) |
| 2316 | { |
| 2317 | if (argc != 2) |
| 2318 | error (_("frame number is required")); |
| 2319 | tfind_1 (tfind_number, atoi (argv[1]), 0, 0, 0); |
| 2320 | } |
| 2321 | else if (strcmp (mode, "tracepoint-number") == 0) |
| 2322 | { |
| 2323 | if (argc != 2) |
| 2324 | error (_("tracepoint number is required")); |
| 2325 | tfind_1 (tfind_tp, atoi (argv[1]), 0, 0, 0); |
| 2326 | } |
| 2327 | else if (strcmp (mode, "pc") == 0) |
| 2328 | { |
| 2329 | if (argc != 2) |
| 2330 | error (_("PC is required")); |
| 2331 | tfind_1 (tfind_pc, 0, parse_and_eval_address (argv[1]), 0, 0); |
| 2332 | } |
| 2333 | else if (strcmp (mode, "pc-inside-range") == 0) |
| 2334 | { |
| 2335 | if (argc != 3) |
| 2336 | error (_("Start and end PC are required")); |
| 2337 | tfind_1 (tfind_range, 0, parse_and_eval_address (argv[1]), |
| 2338 | parse_and_eval_address (argv[2]), 0); |
| 2339 | } |
| 2340 | else if (strcmp (mode, "pc-outside-range") == 0) |
| 2341 | { |
| 2342 | if (argc != 3) |
| 2343 | error (_("Start and end PC are required")); |
| 2344 | tfind_1 (tfind_outside, 0, parse_and_eval_address (argv[1]), |
| 2345 | parse_and_eval_address (argv[2]), 0); |
| 2346 | } |
| 2347 | else if (strcmp (mode, "line") == 0) |
| 2348 | { |
| 2349 | if (argc != 2) |
| 2350 | error (_("Line is required")); |
| 2351 | |
| 2352 | std::vector<symtab_and_line> sals |
| 2353 | = decode_line_with_current_source (argv[1], |
| 2354 | DECODE_LINE_FUNFIRSTLINE); |
| 2355 | const symtab_and_line &sal = sals[0]; |
| 2356 | |
| 2357 | if (sal.symtab == 0) |
| 2358 | error (_("Could not find the specified line")); |
| 2359 | |
| 2360 | CORE_ADDR start_pc, end_pc; |
| 2361 | if (sal.line > 0 && find_line_pc_range (sal, &start_pc, &end_pc)) |
| 2362 | tfind_1 (tfind_range, 0, start_pc, end_pc - 1, 0); |
| 2363 | else |
| 2364 | error (_("Could not find the specified line")); |
| 2365 | } |
| 2366 | else |
| 2367 | error (_("Invalid mode '%s'"), mode); |
| 2368 | |
| 2369 | if (has_stack_frames () || get_traceframe_number () >= 0) |
| 2370 | print_stack_frame (get_selected_frame (NULL), 1, LOC_AND_ADDRESS, 1); |
| 2371 | } |
| 2372 | |
| 2373 | void |
| 2374 | mi_cmd_trace_save (const char *command, char **argv, int argc) |
| 2375 | { |
| 2376 | int target_saves = 0; |
| 2377 | int generate_ctf = 0; |
| 2378 | char *filename; |
| 2379 | int oind = 0; |
| 2380 | char *oarg; |
| 2381 | |
| 2382 | enum opt |
| 2383 | { |
| 2384 | TARGET_SAVE_OPT, CTF_OPT |
| 2385 | }; |
| 2386 | static const struct mi_opt opts[] = |
| 2387 | { |
| 2388 | {"r", TARGET_SAVE_OPT, 0}, |
| 2389 | {"ctf", CTF_OPT, 0}, |
| 2390 | { 0, 0, 0 } |
| 2391 | }; |
| 2392 | |
| 2393 | while (1) |
| 2394 | { |
| 2395 | int opt = mi_getopt ("-trace-save", argc, argv, opts, |
| 2396 | &oind, &oarg); |
| 2397 | |
| 2398 | if (opt < 0) |
| 2399 | break; |
| 2400 | switch ((enum opt) opt) |
| 2401 | { |
| 2402 | case TARGET_SAVE_OPT: |
| 2403 | target_saves = 1; |
| 2404 | break; |
| 2405 | case CTF_OPT: |
| 2406 | generate_ctf = 1; |
| 2407 | break; |
| 2408 | } |
| 2409 | } |
| 2410 | |
| 2411 | if (argc - oind != 1) |
| 2412 | error (_("Exactly one argument required " |
| 2413 | "(file in which to save trace data)")); |
| 2414 | |
| 2415 | filename = argv[oind]; |
| 2416 | |
| 2417 | if (generate_ctf) |
| 2418 | trace_save_ctf (filename, target_saves); |
| 2419 | else |
| 2420 | trace_save_tfile (filename, target_saves); |
| 2421 | } |
| 2422 | |
| 2423 | void |
| 2424 | mi_cmd_trace_start (const char *command, char **argv, int argc) |
| 2425 | { |
| 2426 | start_tracing (NULL); |
| 2427 | } |
| 2428 | |
| 2429 | void |
| 2430 | mi_cmd_trace_status (const char *command, char **argv, int argc) |
| 2431 | { |
| 2432 | trace_status_mi (0); |
| 2433 | } |
| 2434 | |
| 2435 | void |
| 2436 | mi_cmd_trace_stop (const char *command, char **argv, int argc) |
| 2437 | { |
| 2438 | stop_tracing (NULL); |
| 2439 | trace_status_mi (1); |
| 2440 | } |
| 2441 | |
| 2442 | /* Implement the "-ada-task-info" command. */ |
| 2443 | |
| 2444 | void |
| 2445 | mi_cmd_ada_task_info (const char *command, char **argv, int argc) |
| 2446 | { |
| 2447 | if (argc != 0 && argc != 1) |
| 2448 | error (_("Invalid MI command")); |
| 2449 | |
| 2450 | print_ada_task_info (current_uiout, argv[0], current_inferior ()); |
| 2451 | } |
| 2452 | |
| 2453 | /* Print EXPRESSION according to VALUES. */ |
| 2454 | |
| 2455 | static void |
| 2456 | print_variable_or_computed (const char *expression, enum print_values values) |
| 2457 | { |
| 2458 | struct value *val; |
| 2459 | struct type *type; |
| 2460 | struct ui_out *uiout = current_uiout; |
| 2461 | |
| 2462 | string_file stb; |
| 2463 | |
| 2464 | expression_up expr = parse_expression (expression); |
| 2465 | |
| 2466 | if (values == PRINT_SIMPLE_VALUES) |
| 2467 | val = evaluate_type (expr.get ()); |
| 2468 | else |
| 2469 | val = evaluate_expression (expr.get ()); |
| 2470 | |
| 2471 | gdb::optional<ui_out_emit_tuple> tuple_emitter; |
| 2472 | if (values != PRINT_NO_VALUES) |
| 2473 | tuple_emitter.emplace (uiout, nullptr); |
| 2474 | uiout->field_string ("name", expression); |
| 2475 | |
| 2476 | switch (values) |
| 2477 | { |
| 2478 | case PRINT_SIMPLE_VALUES: |
| 2479 | type = check_typedef (value_type (val)); |
| 2480 | type_print (value_type (val), "", &stb, -1); |
| 2481 | uiout->field_stream ("type", stb); |
| 2482 | if (TYPE_CODE (type) != TYPE_CODE_ARRAY |
| 2483 | && TYPE_CODE (type) != TYPE_CODE_STRUCT |
| 2484 | && TYPE_CODE (type) != TYPE_CODE_UNION) |
| 2485 | { |
| 2486 | struct value_print_options opts; |
| 2487 | |
| 2488 | get_no_prettyformat_print_options (&opts); |
| 2489 | opts.deref_ref = 1; |
| 2490 | common_val_print (val, &stb, 0, &opts, current_language); |
| 2491 | uiout->field_stream ("value", stb); |
| 2492 | } |
| 2493 | break; |
| 2494 | case PRINT_ALL_VALUES: |
| 2495 | { |
| 2496 | struct value_print_options opts; |
| 2497 | |
| 2498 | get_no_prettyformat_print_options (&opts); |
| 2499 | opts.deref_ref = 1; |
| 2500 | common_val_print (val, &stb, 0, &opts, current_language); |
| 2501 | uiout->field_stream ("value", stb); |
| 2502 | } |
| 2503 | break; |
| 2504 | } |
| 2505 | } |
| 2506 | |
| 2507 | /* Implement the "-trace-frame-collected" command. */ |
| 2508 | |
| 2509 | void |
| 2510 | mi_cmd_trace_frame_collected (const char *command, char **argv, int argc) |
| 2511 | { |
| 2512 | struct bp_location *tloc; |
| 2513 | int stepping_frame; |
| 2514 | struct collection_list *clist; |
| 2515 | struct collection_list tracepoint_list, stepping_list; |
| 2516 | struct traceframe_info *tinfo; |
| 2517 | int oind = 0; |
| 2518 | enum print_values var_print_values = PRINT_ALL_VALUES; |
| 2519 | enum print_values comp_print_values = PRINT_ALL_VALUES; |
| 2520 | int registers_format = 'x'; |
| 2521 | int memory_contents = 0; |
| 2522 | struct ui_out *uiout = current_uiout; |
| 2523 | enum opt |
| 2524 | { |
| 2525 | VAR_PRINT_VALUES, |
| 2526 | COMP_PRINT_VALUES, |
| 2527 | REGISTERS_FORMAT, |
| 2528 | MEMORY_CONTENTS, |
| 2529 | }; |
| 2530 | static const struct mi_opt opts[] = |
| 2531 | { |
| 2532 | {"-var-print-values", VAR_PRINT_VALUES, 1}, |
| 2533 | {"-comp-print-values", COMP_PRINT_VALUES, 1}, |
| 2534 | {"-registers-format", REGISTERS_FORMAT, 1}, |
| 2535 | {"-memory-contents", MEMORY_CONTENTS, 0}, |
| 2536 | { 0, 0, 0 } |
| 2537 | }; |
| 2538 | |
| 2539 | while (1) |
| 2540 | { |
| 2541 | char *oarg; |
| 2542 | int opt = mi_getopt ("-trace-frame-collected", argc, argv, opts, |
| 2543 | &oind, &oarg); |
| 2544 | if (opt < 0) |
| 2545 | break; |
| 2546 | switch ((enum opt) opt) |
| 2547 | { |
| 2548 | case VAR_PRINT_VALUES: |
| 2549 | var_print_values = mi_parse_print_values (oarg); |
| 2550 | break; |
| 2551 | case COMP_PRINT_VALUES: |
| 2552 | comp_print_values = mi_parse_print_values (oarg); |
| 2553 | break; |
| 2554 | case REGISTERS_FORMAT: |
| 2555 | registers_format = oarg[0]; |
| 2556 | break; |
| 2557 | case MEMORY_CONTENTS: |
| 2558 | memory_contents = 1; |
| 2559 | break; |
| 2560 | } |
| 2561 | } |
| 2562 | |
| 2563 | if (oind != argc) |
| 2564 | error (_("Usage: -trace-frame-collected " |
| 2565 | "[--var-print-values PRINT_VALUES] " |
| 2566 | "[--comp-print-values PRINT_VALUES] " |
| 2567 | "[--registers-format FORMAT]" |
| 2568 | "[--memory-contents]")); |
| 2569 | |
| 2570 | /* This throws an error is not inspecting a trace frame. */ |
| 2571 | tloc = get_traceframe_location (&stepping_frame); |
| 2572 | |
| 2573 | /* This command only makes sense for the current frame, not the |
| 2574 | selected frame. */ |
| 2575 | scoped_restore_current_thread restore_thread; |
| 2576 | select_frame (get_current_frame ()); |
| 2577 | |
| 2578 | encode_actions (tloc, &tracepoint_list, &stepping_list); |
| 2579 | |
| 2580 | if (stepping_frame) |
| 2581 | clist = &stepping_list; |
| 2582 | else |
| 2583 | clist = &tracepoint_list; |
| 2584 | |
| 2585 | tinfo = get_traceframe_info (); |
| 2586 | |
| 2587 | /* Explicitly wholly collected variables. */ |
| 2588 | { |
| 2589 | ui_out_emit_list list_emitter (uiout, "explicit-variables"); |
| 2590 | const std::vector<std::string> &wholly_collected |
| 2591 | = clist->wholly_collected (); |
| 2592 | for (size_t i = 0; i < wholly_collected.size (); i++) |
| 2593 | { |
| 2594 | const std::string &str = wholly_collected[i]; |
| 2595 | print_variable_or_computed (str.c_str (), var_print_values); |
| 2596 | } |
| 2597 | } |
| 2598 | |
| 2599 | /* Computed expressions. */ |
| 2600 | { |
| 2601 | ui_out_emit_list list_emitter (uiout, "computed-expressions"); |
| 2602 | |
| 2603 | const std::vector<std::string> &computed = clist->computed (); |
| 2604 | for (size_t i = 0; i < computed.size (); i++) |
| 2605 | { |
| 2606 | const std::string &str = computed[i]; |
| 2607 | print_variable_or_computed (str.c_str (), comp_print_values); |
| 2608 | } |
| 2609 | } |
| 2610 | |
| 2611 | /* Registers. Given pseudo-registers, and that some architectures |
| 2612 | (like MIPS) actually hide the raw registers, we don't go through |
| 2613 | the trace frame info, but instead consult the register cache for |
| 2614 | register availability. */ |
| 2615 | { |
| 2616 | struct frame_info *frame; |
| 2617 | struct gdbarch *gdbarch; |
| 2618 | int regnum; |
| 2619 | int numregs; |
| 2620 | |
| 2621 | ui_out_emit_list list_emitter (uiout, "registers"); |
| 2622 | |
| 2623 | frame = get_selected_frame (NULL); |
| 2624 | gdbarch = get_frame_arch (frame); |
| 2625 | numregs = gdbarch_num_cooked_regs (gdbarch); |
| 2626 | |
| 2627 | for (regnum = 0; regnum < numregs; regnum++) |
| 2628 | { |
| 2629 | if (gdbarch_register_name (gdbarch, regnum) == NULL |
| 2630 | || *(gdbarch_register_name (gdbarch, regnum)) == '\0') |
| 2631 | continue; |
| 2632 | |
| 2633 | output_register (frame, regnum, registers_format, 1); |
| 2634 | } |
| 2635 | } |
| 2636 | |
| 2637 | /* Trace state variables. */ |
| 2638 | { |
| 2639 | ui_out_emit_list list_emitter (uiout, "tvars"); |
| 2640 | |
| 2641 | for (int tvar : tinfo->tvars) |
| 2642 | { |
| 2643 | struct trace_state_variable *tsv; |
| 2644 | |
| 2645 | tsv = find_trace_state_variable_by_number (tvar); |
| 2646 | |
| 2647 | ui_out_emit_tuple tuple_emitter (uiout, NULL); |
| 2648 | |
| 2649 | if (tsv != NULL) |
| 2650 | { |
| 2651 | uiout->field_fmt ("name", "$%s", tsv->name.c_str ()); |
| 2652 | |
| 2653 | tsv->value_known = target_get_trace_state_variable_value (tsv->number, |
| 2654 | &tsv->value); |
| 2655 | uiout->field_signed ("current", tsv->value); |
| 2656 | } |
| 2657 | else |
| 2658 | { |
| 2659 | uiout->field_skip ("name"); |
| 2660 | uiout->field_skip ("current"); |
| 2661 | } |
| 2662 | } |
| 2663 | } |
| 2664 | |
| 2665 | /* Memory. */ |
| 2666 | { |
| 2667 | std::vector<mem_range> available_memory; |
| 2668 | |
| 2669 | traceframe_available_memory (&available_memory, 0, ULONGEST_MAX); |
| 2670 | |
| 2671 | ui_out_emit_list list_emitter (uiout, "memory"); |
| 2672 | |
| 2673 | for (const mem_range &r : available_memory) |
| 2674 | { |
| 2675 | struct gdbarch *gdbarch = target_gdbarch (); |
| 2676 | |
| 2677 | ui_out_emit_tuple tuple_emitter (uiout, NULL); |
| 2678 | |
| 2679 | uiout->field_core_addr ("address", gdbarch, r.start); |
| 2680 | uiout->field_signed ("length", r.length); |
| 2681 | |
| 2682 | gdb::byte_vector data (r.length); |
| 2683 | |
| 2684 | if (memory_contents) |
| 2685 | { |
| 2686 | if (target_read_memory (r.start, data.data (), r.length) == 0) |
| 2687 | { |
| 2688 | std::string data_str = bin2hex (data.data (), r.length); |
| 2689 | uiout->field_string ("contents", data_str.c_str ()); |
| 2690 | } |
| 2691 | else |
| 2692 | uiout->field_skip ("contents"); |
| 2693 | } |
| 2694 | } |
| 2695 | } |
| 2696 | } |
| 2697 | |
| 2698 | /* See mi/mi-main.h. */ |
| 2699 | |
| 2700 | void |
| 2701 | mi_cmd_fix_multi_location_breakpoint_output (const char *command, char **argv, |
| 2702 | int argc) |
| 2703 | { |
| 2704 | fix_multi_location_breakpoint_output_globally = true; |
| 2705 | } |
| 2706 | |
| 2707 | /* Implement the "-complete" command. */ |
| 2708 | |
| 2709 | void |
| 2710 | mi_cmd_complete (const char *command, char **argv, int argc) |
| 2711 | { |
| 2712 | if (argc != 1) |
| 2713 | error (_("Usage: -complete COMMAND")); |
| 2714 | |
| 2715 | if (max_completions == 0) |
| 2716 | error (_("max-completions is zero, completion is disabled.")); |
| 2717 | |
| 2718 | int quote_char = '\0'; |
| 2719 | const char *word; |
| 2720 | |
| 2721 | completion_result result = complete (argv[0], &word, "e_char); |
| 2722 | |
| 2723 | std::string arg_prefix (argv[0], word - argv[0]); |
| 2724 | |
| 2725 | struct ui_out *uiout = current_uiout; |
| 2726 | |
| 2727 | if (result.number_matches > 0) |
| 2728 | uiout->field_fmt ("completion", "%s%s", |
| 2729 | arg_prefix.c_str (),result.match_list[0]); |
| 2730 | |
| 2731 | { |
| 2732 | ui_out_emit_list completions_emitter (uiout, "matches"); |
| 2733 | |
| 2734 | if (result.number_matches == 1) |
| 2735 | uiout->field_fmt (NULL, "%s%s", |
| 2736 | arg_prefix.c_str (), result.match_list[0]); |
| 2737 | else |
| 2738 | { |
| 2739 | result.sort_match_list (); |
| 2740 | for (size_t i = 0; i < result.number_matches; i++) |
| 2741 | { |
| 2742 | uiout->field_fmt (NULL, "%s%s", |
| 2743 | arg_prefix.c_str (), result.match_list[i + 1]); |
| 2744 | } |
| 2745 | } |
| 2746 | } |
| 2747 | uiout->field_string ("max_completions_reached", |
| 2748 | result.number_matches == max_completions ? "1" : "0"); |
| 2749 | } |
| 2750 | |
| 2751 | |
| 2752 | void _initialize_mi_main (); |
| 2753 | void |
| 2754 | _initialize_mi_main () |
| 2755 | { |
| 2756 | struct cmd_list_element *c; |
| 2757 | |
| 2758 | add_setshow_boolean_cmd ("mi-async", class_run, |
| 2759 | &mi_async_1, _("\ |
| 2760 | Set whether MI asynchronous mode is enabled."), _("\ |
| 2761 | Show whether MI asynchronous mode is enabled."), _("\ |
| 2762 | Tells GDB whether MI should be in asynchronous mode."), |
| 2763 | set_mi_async_command, |
| 2764 | show_mi_async_command, |
| 2765 | &setlist, |
| 2766 | &showlist); |
| 2767 | |
| 2768 | /* Alias old "target-async" to "mi-async". */ |
| 2769 | c = add_alias_cmd ("target-async", "mi-async", class_run, 0, &setlist); |
| 2770 | deprecate_cmd (c, "set mi-async"); |
| 2771 | c = add_alias_cmd ("target-async", "mi-async", class_run, 0, &showlist); |
| 2772 | deprecate_cmd (c, "show mi-async"); |
| 2773 | } |