| 1 | /* MI Command Set. |
| 2 | |
| 3 | Copyright (C) 2000, 2001, 2002, 2003, 2004, 2005, 2007, 2008, 2009 |
| 4 | Free Software Foundation, Inc. |
| 5 | |
| 6 | Contributed by Cygnus Solutions (a Red Hat company). |
| 7 | |
| 8 | This file is part of GDB. |
| 9 | |
| 10 | This program is free software; you can redistribute it and/or modify |
| 11 | it under the terms of the GNU General Public License as published by |
| 12 | the Free Software Foundation; either version 3 of the License, or |
| 13 | (at your option) any later version. |
| 14 | |
| 15 | This program is distributed in the hope that it will be useful, |
| 16 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 17 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 18 | GNU General Public License for more details. |
| 19 | |
| 20 | You should have received a copy of the GNU General Public License |
| 21 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
| 22 | |
| 23 | /* Work in progress. */ |
| 24 | |
| 25 | #include "defs.h" |
| 26 | #include "arch-utils.h" |
| 27 | #include "target.h" |
| 28 | #include "inferior.h" |
| 29 | #include "gdb_string.h" |
| 30 | #include "exceptions.h" |
| 31 | #include "top.h" |
| 32 | #include "gdbthread.h" |
| 33 | #include "mi-cmds.h" |
| 34 | #include "mi-parse.h" |
| 35 | #include "mi-getopt.h" |
| 36 | #include "mi-console.h" |
| 37 | #include "ui-out.h" |
| 38 | #include "mi-out.h" |
| 39 | #include "interps.h" |
| 40 | #include "event-loop.h" |
| 41 | #include "event-top.h" |
| 42 | #include "gdbcore.h" /* For write_memory(). */ |
| 43 | #include "value.h" |
| 44 | #include "regcache.h" |
| 45 | #include "gdb.h" |
| 46 | #include "frame.h" |
| 47 | #include "mi-main.h" |
| 48 | #include "mi-common.h" |
| 49 | #include "language.h" |
| 50 | #include "valprint.h" |
| 51 | #include "inferior.h" |
| 52 | #include "osdata.h" |
| 53 | |
| 54 | #include <ctype.h> |
| 55 | #include <sys/time.h> |
| 56 | |
| 57 | #if defined HAVE_SYS_RESOURCE_H |
| 58 | #include <sys/resource.h> |
| 59 | #endif |
| 60 | |
| 61 | #ifdef HAVE_GETRUSAGE |
| 62 | struct rusage rusage; |
| 63 | #endif |
| 64 | |
| 65 | enum |
| 66 | { |
| 67 | FROM_TTY = 0 |
| 68 | }; |
| 69 | |
| 70 | int mi_debug_p; |
| 71 | struct ui_file *raw_stdout; |
| 72 | |
| 73 | /* This is used to pass the current command timestamp |
| 74 | down to continuation routines. */ |
| 75 | static struct mi_timestamp *current_command_ts; |
| 76 | |
| 77 | static int do_timings = 0; |
| 78 | |
| 79 | char *current_token; |
| 80 | int running_result_record_printed = 1; |
| 81 | |
| 82 | /* Flag indicating that the target has proceeded since the last |
| 83 | command was issued. */ |
| 84 | int mi_proceeded; |
| 85 | |
| 86 | extern void _initialize_mi_main (void); |
| 87 | static void mi_cmd_execute (struct mi_parse *parse); |
| 88 | |
| 89 | static void mi_execute_cli_command (const char *cmd, int args_p, |
| 90 | const char *args); |
| 91 | static void mi_execute_async_cli_command (char *cli_command, |
| 92 | char **argv, int argc); |
| 93 | static int register_changed_p (int regnum, struct regcache *, |
| 94 | struct regcache *); |
| 95 | static void get_register (struct frame_info *, int regnum, int format); |
| 96 | |
| 97 | /* Command implementations. FIXME: Is this libgdb? No. This is the MI |
| 98 | layer that calls libgdb. Any operation used in the below should be |
| 99 | formalized. */ |
| 100 | |
| 101 | static void timestamp (struct mi_timestamp *tv); |
| 102 | |
| 103 | static void print_diff_now (struct mi_timestamp *start); |
| 104 | static void print_diff (struct mi_timestamp *start, struct mi_timestamp *end); |
| 105 | |
| 106 | void |
| 107 | mi_cmd_gdb_exit (char *command, char **argv, int argc) |
| 108 | { |
| 109 | /* We have to print everything right here because we never return. */ |
| 110 | if (current_token) |
| 111 | fputs_unfiltered (current_token, raw_stdout); |
| 112 | fputs_unfiltered ("^exit\n", raw_stdout); |
| 113 | mi_out_put (uiout, raw_stdout); |
| 114 | /* FIXME: The function called is not yet a formal libgdb function. */ |
| 115 | quit_force (NULL, FROM_TTY); |
| 116 | } |
| 117 | |
| 118 | void |
| 119 | mi_cmd_exec_next (char *command, char **argv, int argc) |
| 120 | { |
| 121 | /* FIXME: Should call a libgdb function, not a cli wrapper. */ |
| 122 | mi_execute_async_cli_command ("next", argv, argc); |
| 123 | } |
| 124 | |
| 125 | void |
| 126 | mi_cmd_exec_next_instruction (char *command, char **argv, int argc) |
| 127 | { |
| 128 | /* FIXME: Should call a libgdb function, not a cli wrapper. */ |
| 129 | mi_execute_async_cli_command ("nexti", argv, argc); |
| 130 | } |
| 131 | |
| 132 | void |
| 133 | mi_cmd_exec_step (char *command, char **argv, int argc) |
| 134 | { |
| 135 | /* FIXME: Should call a libgdb function, not a cli wrapper. */ |
| 136 | mi_execute_async_cli_command ("step", argv, argc); |
| 137 | } |
| 138 | |
| 139 | void |
| 140 | mi_cmd_exec_step_instruction (char *command, char **argv, int argc) |
| 141 | { |
| 142 | /* FIXME: Should call a libgdb function, not a cli wrapper. */ |
| 143 | mi_execute_async_cli_command ("stepi", argv, argc); |
| 144 | } |
| 145 | |
| 146 | void |
| 147 | mi_cmd_exec_finish (char *command, char **argv, int argc) |
| 148 | { |
| 149 | /* FIXME: Should call a libgdb function, not a cli wrapper. */ |
| 150 | mi_execute_async_cli_command ("finish", argv, argc); |
| 151 | } |
| 152 | |
| 153 | void |
| 154 | mi_cmd_exec_return (char *command, char **argv, int argc) |
| 155 | { |
| 156 | /* This command doesn't really execute the target, it just pops the |
| 157 | specified number of frames. */ |
| 158 | if (argc) |
| 159 | /* Call return_command with from_tty argument equal to 0 so as to |
| 160 | avoid being queried. */ |
| 161 | return_command (*argv, 0); |
| 162 | else |
| 163 | /* Call return_command with from_tty argument equal to 0 so as to |
| 164 | avoid being queried. */ |
| 165 | return_command (NULL, 0); |
| 166 | |
| 167 | /* Because we have called return_command with from_tty = 0, we need |
| 168 | to print the frame here. */ |
| 169 | print_stack_frame (get_selected_frame (NULL), 1, LOC_AND_ADDRESS); |
| 170 | } |
| 171 | |
| 172 | void |
| 173 | mi_cmd_exec_jump (char *args, char **argv, int argc) |
| 174 | { |
| 175 | /* FIXME: Should call a libgdb function, not a cli wrapper. */ |
| 176 | return mi_execute_async_cli_command ("jump", argv, argc); |
| 177 | } |
| 178 | |
| 179 | static int |
| 180 | proceed_thread_callback (struct thread_info *thread, void *arg) |
| 181 | { |
| 182 | int pid = *(int *)arg; |
| 183 | |
| 184 | if (!is_stopped (thread->ptid)) |
| 185 | return 0; |
| 186 | |
| 187 | if (PIDGET (thread->ptid) != pid) |
| 188 | return 0; |
| 189 | |
| 190 | switch_to_thread (thread->ptid); |
| 191 | clear_proceed_status (); |
| 192 | proceed ((CORE_ADDR) -1, TARGET_SIGNAL_DEFAULT, 0); |
| 193 | return 0; |
| 194 | } |
| 195 | |
| 196 | void |
| 197 | mi_cmd_exec_continue (char *command, char **argv, int argc) |
| 198 | { |
| 199 | if (argc == 0) |
| 200 | continue_1 (0); |
| 201 | else if (argc == 1 && strcmp (argv[0], "--all") == 0) |
| 202 | continue_1 (1); |
| 203 | else if (argc == 2 && strcmp (argv[0], "--thread-group") == 0) |
| 204 | { |
| 205 | struct cleanup *old_chain; |
| 206 | int pid; |
| 207 | if (argv[1] == NULL || argv[1] == '\0') |
| 208 | error ("Thread group id not specified"); |
| 209 | pid = atoi (argv[1]); |
| 210 | if (!in_inferior_list (pid)) |
| 211 | error ("Invalid thread group id '%s'", argv[1]); |
| 212 | |
| 213 | old_chain = make_cleanup_restore_current_thread (); |
| 214 | iterate_over_threads (proceed_thread_callback, &pid); |
| 215 | do_cleanups (old_chain); |
| 216 | } |
| 217 | else |
| 218 | error ("Usage: -exec-continue [--all|--thread-group id]"); |
| 219 | } |
| 220 | |
| 221 | static int |
| 222 | interrupt_thread_callback (struct thread_info *thread, void *arg) |
| 223 | { |
| 224 | int pid = *(int *)arg; |
| 225 | |
| 226 | if (!is_running (thread->ptid)) |
| 227 | return 0; |
| 228 | |
| 229 | if (PIDGET (thread->ptid) != pid) |
| 230 | return 0; |
| 231 | |
| 232 | target_stop (thread->ptid); |
| 233 | return 0; |
| 234 | } |
| 235 | |
| 236 | /* Interrupt the execution of the target. Note how we must play around |
| 237 | with the token variables, in order to display the current token in |
| 238 | the result of the interrupt command, and the previous execution |
| 239 | token when the target finally stops. See comments in |
| 240 | mi_cmd_execute. */ |
| 241 | void |
| 242 | mi_cmd_exec_interrupt (char *command, char **argv, int argc) |
| 243 | { |
| 244 | if (argc == 0) |
| 245 | { |
| 246 | if (!is_running (inferior_ptid)) |
| 247 | error ("Current thread is not running."); |
| 248 | |
| 249 | interrupt_target_1 (0); |
| 250 | } |
| 251 | else if (argc == 1 && strcmp (argv[0], "--all") == 0) |
| 252 | { |
| 253 | if (!any_running ()) |
| 254 | error ("Inferior not running."); |
| 255 | |
| 256 | interrupt_target_1 (1); |
| 257 | } |
| 258 | else if (argc == 2 && strcmp (argv[0], "--thread-group") == 0) |
| 259 | { |
| 260 | struct cleanup *old_chain; |
| 261 | int pid; |
| 262 | if (argv[1] == NULL || argv[1] == '\0') |
| 263 | error ("Thread group id not specified"); |
| 264 | pid = atoi (argv[1]); |
| 265 | if (!in_inferior_list (pid)) |
| 266 | error ("Invalid thread group id '%s'", argv[1]); |
| 267 | |
| 268 | old_chain = make_cleanup_restore_current_thread (); |
| 269 | iterate_over_threads (interrupt_thread_callback, &pid); |
| 270 | do_cleanups (old_chain); |
| 271 | } |
| 272 | else |
| 273 | error ("Usage: -exec-interrupt [--all|--thread-group id]"); |
| 274 | } |
| 275 | |
| 276 | static int |
| 277 | find_thread_of_process (struct thread_info *ti, void *p) |
| 278 | { |
| 279 | int pid = *(int *)p; |
| 280 | if (PIDGET (ti->ptid) == pid && !is_exited (ti->ptid)) |
| 281 | return 1; |
| 282 | |
| 283 | return 0; |
| 284 | } |
| 285 | |
| 286 | void |
| 287 | mi_cmd_target_detach (char *command, char **argv, int argc) |
| 288 | { |
| 289 | if (argc != 0 && argc != 1) |
| 290 | error ("Usage: -target-detach [thread-group]"); |
| 291 | |
| 292 | if (argc == 1) |
| 293 | { |
| 294 | struct thread_info *tp; |
| 295 | char *end = argv[0]; |
| 296 | int pid = strtol (argv[0], &end, 10); |
| 297 | if (*end != '\0') |
| 298 | error (_("Cannot parse thread group id '%s'"), argv[0]); |
| 299 | |
| 300 | /* Pick any thread in the desired process. Current |
| 301 | target_detach deteches from the parent of inferior_ptid. */ |
| 302 | tp = iterate_over_threads (find_thread_of_process, &pid); |
| 303 | if (!tp) |
| 304 | error (_("Thread group is empty")); |
| 305 | |
| 306 | switch_to_thread (tp->ptid); |
| 307 | } |
| 308 | |
| 309 | detach_command (NULL, 0); |
| 310 | } |
| 311 | |
| 312 | void |
| 313 | mi_cmd_thread_select (char *command, char **argv, int argc) |
| 314 | { |
| 315 | enum gdb_rc rc; |
| 316 | char *mi_error_message; |
| 317 | |
| 318 | if (argc != 1) |
| 319 | error ("mi_cmd_thread_select: USAGE: threadnum."); |
| 320 | |
| 321 | rc = gdb_thread_select (uiout, argv[0], &mi_error_message); |
| 322 | |
| 323 | if (rc == GDB_RC_FAIL) |
| 324 | { |
| 325 | make_cleanup (xfree, mi_error_message); |
| 326 | error ("%s", mi_error_message); |
| 327 | } |
| 328 | } |
| 329 | |
| 330 | void |
| 331 | mi_cmd_thread_list_ids (char *command, char **argv, int argc) |
| 332 | { |
| 333 | enum gdb_rc rc; |
| 334 | char *mi_error_message; |
| 335 | |
| 336 | if (argc != 0) |
| 337 | error ("mi_cmd_thread_list_ids: No arguments required."); |
| 338 | |
| 339 | rc = gdb_list_thread_ids (uiout, &mi_error_message); |
| 340 | |
| 341 | if (rc == GDB_RC_FAIL) |
| 342 | { |
| 343 | make_cleanup (xfree, mi_error_message); |
| 344 | error ("%s", mi_error_message); |
| 345 | } |
| 346 | } |
| 347 | |
| 348 | void |
| 349 | mi_cmd_thread_info (char *command, char **argv, int argc) |
| 350 | { |
| 351 | int thread = -1; |
| 352 | |
| 353 | if (argc != 0 && argc != 1) |
| 354 | error ("Invalid MI command"); |
| 355 | |
| 356 | if (argc == 1) |
| 357 | thread = atoi (argv[0]); |
| 358 | |
| 359 | print_thread_info (uiout, thread, -1); |
| 360 | } |
| 361 | |
| 362 | static int |
| 363 | print_one_inferior (struct inferior *inferior, void *arg) |
| 364 | { |
| 365 | struct cleanup *back_to = make_cleanup_ui_out_tuple_begin_end (uiout, NULL); |
| 366 | |
| 367 | ui_out_field_fmt (uiout, "id", "%d", inferior->pid); |
| 368 | ui_out_field_string (uiout, "type", "process"); |
| 369 | ui_out_field_int (uiout, "pid", inferior->pid); |
| 370 | |
| 371 | do_cleanups (back_to); |
| 372 | return 0; |
| 373 | } |
| 374 | |
| 375 | void |
| 376 | mi_cmd_list_thread_groups (char *command, char **argv, int argc) |
| 377 | { |
| 378 | struct cleanup *back_to; |
| 379 | int available = 0; |
| 380 | char *id = NULL; |
| 381 | |
| 382 | if (argc > 0 && strcmp (argv[0], "--available") == 0) |
| 383 | { |
| 384 | ++argv; |
| 385 | --argc; |
| 386 | available = 1; |
| 387 | } |
| 388 | |
| 389 | if (argc > 0) |
| 390 | id = argv[0]; |
| 391 | |
| 392 | back_to = make_cleanup (null_cleanup, NULL); |
| 393 | |
| 394 | if (available && id) |
| 395 | { |
| 396 | error (_("Can only report top-level available thread groups")); |
| 397 | } |
| 398 | else if (available) |
| 399 | { |
| 400 | struct osdata *data; |
| 401 | struct osdata_item *item; |
| 402 | int ix_items; |
| 403 | |
| 404 | data = get_osdata ("processes"); |
| 405 | make_cleanup_osdata_free (data); |
| 406 | |
| 407 | make_cleanup_ui_out_list_begin_end (uiout, "groups"); |
| 408 | |
| 409 | for (ix_items = 0; |
| 410 | VEC_iterate (osdata_item_s, data->items, |
| 411 | ix_items, item); |
| 412 | ix_items++) |
| 413 | { |
| 414 | struct cleanup *back_to = |
| 415 | make_cleanup_ui_out_tuple_begin_end (uiout, NULL); |
| 416 | |
| 417 | const char *pid = get_osdata_column (item, "pid"); |
| 418 | const char *cmd = get_osdata_column (item, "command"); |
| 419 | const char *user = get_osdata_column (item, "user"); |
| 420 | |
| 421 | ui_out_field_fmt (uiout, "id", "%s", pid); |
| 422 | ui_out_field_string (uiout, "type", "process"); |
| 423 | if (cmd) |
| 424 | ui_out_field_string (uiout, "description", cmd); |
| 425 | if (user) |
| 426 | ui_out_field_string (uiout, "user", user); |
| 427 | |
| 428 | do_cleanups (back_to); |
| 429 | } |
| 430 | } |
| 431 | else if (id) |
| 432 | { |
| 433 | int pid = atoi (id); |
| 434 | if (!in_inferior_list (pid)) |
| 435 | error ("Invalid thread group id '%s'", id); |
| 436 | print_thread_info (uiout, -1, pid); |
| 437 | } |
| 438 | else |
| 439 | { |
| 440 | make_cleanup_ui_out_list_begin_end (uiout, "groups"); |
| 441 | iterate_over_inferiors (print_one_inferior, NULL); |
| 442 | } |
| 443 | |
| 444 | do_cleanups (back_to); |
| 445 | } |
| 446 | |
| 447 | void |
| 448 | mi_cmd_data_list_register_names (char *command, char **argv, int argc) |
| 449 | { |
| 450 | struct frame_info *frame; |
| 451 | struct gdbarch *gdbarch; |
| 452 | int regnum, numregs; |
| 453 | int i; |
| 454 | struct cleanup *cleanup; |
| 455 | |
| 456 | /* Note that the test for a valid register must include checking the |
| 457 | gdbarch_register_name because gdbarch_num_regs may be allocated for |
| 458 | the union of the register sets within a family of related processors. |
| 459 | In this case, some entries of gdbarch_register_name will change depending |
| 460 | upon the particular processor being debugged. */ |
| 461 | |
| 462 | frame = get_selected_frame (NULL); |
| 463 | gdbarch = get_frame_arch (frame); |
| 464 | numregs = gdbarch_num_regs (gdbarch) + gdbarch_num_pseudo_regs (gdbarch); |
| 465 | |
| 466 | cleanup = make_cleanup_ui_out_list_begin_end (uiout, "register-names"); |
| 467 | |
| 468 | if (argc == 0) /* No args, just do all the regs. */ |
| 469 | { |
| 470 | for (regnum = 0; |
| 471 | regnum < numregs; |
| 472 | regnum++) |
| 473 | { |
| 474 | if (gdbarch_register_name (gdbarch, regnum) == NULL |
| 475 | || *(gdbarch_register_name (gdbarch, regnum)) == '\0') |
| 476 | ui_out_field_string (uiout, NULL, ""); |
| 477 | else |
| 478 | ui_out_field_string (uiout, NULL, |
| 479 | gdbarch_register_name (gdbarch, regnum)); |
| 480 | } |
| 481 | } |
| 482 | |
| 483 | /* Else, list of register #s, just do listed regs. */ |
| 484 | for (i = 0; i < argc; i++) |
| 485 | { |
| 486 | regnum = atoi (argv[i]); |
| 487 | if (regnum < 0 || regnum >= numregs) |
| 488 | error ("bad register number"); |
| 489 | |
| 490 | if (gdbarch_register_name (gdbarch, regnum) == NULL |
| 491 | || *(gdbarch_register_name (gdbarch, regnum)) == '\0') |
| 492 | ui_out_field_string (uiout, NULL, ""); |
| 493 | else |
| 494 | ui_out_field_string (uiout, NULL, |
| 495 | gdbarch_register_name (gdbarch, regnum)); |
| 496 | } |
| 497 | do_cleanups (cleanup); |
| 498 | } |
| 499 | |
| 500 | void |
| 501 | mi_cmd_data_list_changed_registers (char *command, char **argv, int argc) |
| 502 | { |
| 503 | static struct regcache *this_regs = NULL; |
| 504 | struct regcache *prev_regs; |
| 505 | struct gdbarch *gdbarch; |
| 506 | int regnum, numregs, changed; |
| 507 | int i; |
| 508 | struct cleanup *cleanup; |
| 509 | |
| 510 | /* The last time we visited this function, the current frame's register |
| 511 | contents were saved in THIS_REGS. Move THIS_REGS over to PREV_REGS, |
| 512 | and refresh THIS_REGS with the now-current register contents. */ |
| 513 | |
| 514 | prev_regs = this_regs; |
| 515 | this_regs = frame_save_as_regcache (get_selected_frame (NULL)); |
| 516 | cleanup = make_cleanup_regcache_xfree (prev_regs); |
| 517 | |
| 518 | /* Note that the test for a valid register must include checking the |
| 519 | gdbarch_register_name because gdbarch_num_regs may be allocated for |
| 520 | the union of the register sets within a family of related processors. |
| 521 | In this case, some entries of gdbarch_register_name will change depending |
| 522 | upon the particular processor being debugged. */ |
| 523 | |
| 524 | gdbarch = get_regcache_arch (this_regs); |
| 525 | numregs = gdbarch_num_regs (gdbarch) + gdbarch_num_pseudo_regs (gdbarch); |
| 526 | |
| 527 | make_cleanup_ui_out_list_begin_end (uiout, "changed-registers"); |
| 528 | |
| 529 | if (argc == 0) /* No args, just do all the regs. */ |
| 530 | { |
| 531 | for (regnum = 0; |
| 532 | regnum < numregs; |
| 533 | regnum++) |
| 534 | { |
| 535 | if (gdbarch_register_name (gdbarch, regnum) == NULL |
| 536 | || *(gdbarch_register_name (gdbarch, regnum)) == '\0') |
| 537 | continue; |
| 538 | changed = register_changed_p (regnum, prev_regs, this_regs); |
| 539 | if (changed < 0) |
| 540 | error ("mi_cmd_data_list_changed_registers: Unable to read register contents."); |
| 541 | else if (changed) |
| 542 | ui_out_field_int (uiout, NULL, regnum); |
| 543 | } |
| 544 | } |
| 545 | |
| 546 | /* Else, list of register #s, just do listed regs. */ |
| 547 | for (i = 0; i < argc; i++) |
| 548 | { |
| 549 | regnum = atoi (argv[i]); |
| 550 | |
| 551 | if (regnum >= 0 |
| 552 | && regnum < numregs |
| 553 | && gdbarch_register_name (gdbarch, regnum) != NULL |
| 554 | && *gdbarch_register_name (gdbarch, regnum) != '\000') |
| 555 | { |
| 556 | changed = register_changed_p (regnum, prev_regs, this_regs); |
| 557 | if (changed < 0) |
| 558 | error ("mi_cmd_data_list_register_change: Unable to read register contents."); |
| 559 | else if (changed) |
| 560 | ui_out_field_int (uiout, NULL, regnum); |
| 561 | } |
| 562 | else |
| 563 | error ("bad register number"); |
| 564 | } |
| 565 | do_cleanups (cleanup); |
| 566 | } |
| 567 | |
| 568 | static int |
| 569 | register_changed_p (int regnum, struct regcache *prev_regs, |
| 570 | struct regcache *this_regs) |
| 571 | { |
| 572 | struct gdbarch *gdbarch = get_regcache_arch (this_regs); |
| 573 | gdb_byte prev_buffer[MAX_REGISTER_SIZE]; |
| 574 | gdb_byte this_buffer[MAX_REGISTER_SIZE]; |
| 575 | |
| 576 | /* Registers not valid in this frame return count as unchanged. */ |
| 577 | if (!regcache_valid_p (this_regs, regnum)) |
| 578 | return 0; |
| 579 | |
| 580 | /* First time through or after gdbarch change consider all registers as |
| 581 | changed. Same for registers not valid in the previous frame. */ |
| 582 | if (!prev_regs || get_regcache_arch (prev_regs) != gdbarch |
| 583 | || !regcache_valid_p (prev_regs, regnum)) |
| 584 | return 1; |
| 585 | |
| 586 | /* Get register contents and compare. */ |
| 587 | regcache_cooked_read (prev_regs, regnum, prev_buffer); |
| 588 | regcache_cooked_read (this_regs, regnum, this_buffer); |
| 589 | |
| 590 | return memcmp (prev_buffer, this_buffer, |
| 591 | register_size (gdbarch, regnum)) != 0; |
| 592 | } |
| 593 | |
| 594 | /* Return a list of register number and value pairs. The valid |
| 595 | arguments expected are: a letter indicating the format in which to |
| 596 | display the registers contents. This can be one of: x (hexadecimal), d |
| 597 | (decimal), N (natural), t (binary), o (octal), r (raw). After the |
| 598 | format argumetn there can be a sequence of numbers, indicating which |
| 599 | registers to fetch the content of. If the format is the only argument, |
| 600 | a list of all the registers with their values is returned. */ |
| 601 | void |
| 602 | mi_cmd_data_list_register_values (char *command, char **argv, int argc) |
| 603 | { |
| 604 | struct frame_info *frame; |
| 605 | struct gdbarch *gdbarch; |
| 606 | int regnum, numregs, format; |
| 607 | int i; |
| 608 | struct cleanup *list_cleanup, *tuple_cleanup; |
| 609 | |
| 610 | /* Note that the test for a valid register must include checking the |
| 611 | gdbarch_register_name because gdbarch_num_regs may be allocated for |
| 612 | the union of the register sets within a family of related processors. |
| 613 | In this case, some entries of gdbarch_register_name will change depending |
| 614 | upon the particular processor being debugged. */ |
| 615 | |
| 616 | if (argc == 0) |
| 617 | error ("mi_cmd_data_list_register_values: Usage: -data-list-register-values <format> [<regnum1>...<regnumN>]"); |
| 618 | |
| 619 | format = (int) argv[0][0]; |
| 620 | |
| 621 | frame = get_selected_frame (NULL); |
| 622 | gdbarch = get_frame_arch (frame); |
| 623 | numregs = gdbarch_num_regs (gdbarch) + gdbarch_num_pseudo_regs (gdbarch); |
| 624 | |
| 625 | list_cleanup = make_cleanup_ui_out_list_begin_end (uiout, "register-values"); |
| 626 | |
| 627 | if (argc == 1) /* No args, beside the format: do all the regs. */ |
| 628 | { |
| 629 | for (regnum = 0; |
| 630 | regnum < numregs; |
| 631 | regnum++) |
| 632 | { |
| 633 | if (gdbarch_register_name (gdbarch, regnum) == NULL |
| 634 | || *(gdbarch_register_name (gdbarch, regnum)) == '\0') |
| 635 | continue; |
| 636 | tuple_cleanup = make_cleanup_ui_out_tuple_begin_end (uiout, NULL); |
| 637 | ui_out_field_int (uiout, "number", regnum); |
| 638 | get_register (frame, regnum, format); |
| 639 | do_cleanups (tuple_cleanup); |
| 640 | } |
| 641 | } |
| 642 | |
| 643 | /* Else, list of register #s, just do listed regs. */ |
| 644 | for (i = 1; i < argc; i++) |
| 645 | { |
| 646 | regnum = atoi (argv[i]); |
| 647 | |
| 648 | if (regnum >= 0 |
| 649 | && regnum < numregs |
| 650 | && gdbarch_register_name (gdbarch, regnum) != NULL |
| 651 | && *gdbarch_register_name (gdbarch, regnum) != '\000') |
| 652 | { |
| 653 | tuple_cleanup = make_cleanup_ui_out_tuple_begin_end (uiout, NULL); |
| 654 | ui_out_field_int (uiout, "number", regnum); |
| 655 | get_register (frame, regnum, format); |
| 656 | do_cleanups (tuple_cleanup); |
| 657 | } |
| 658 | else |
| 659 | error ("bad register number"); |
| 660 | } |
| 661 | do_cleanups (list_cleanup); |
| 662 | } |
| 663 | |
| 664 | /* Output one register's contents in the desired format. */ |
| 665 | static void |
| 666 | get_register (struct frame_info *frame, int regnum, int format) |
| 667 | { |
| 668 | struct gdbarch *gdbarch = get_frame_arch (frame); |
| 669 | gdb_byte buffer[MAX_REGISTER_SIZE]; |
| 670 | int optim; |
| 671 | int realnum; |
| 672 | CORE_ADDR addr; |
| 673 | enum lval_type lval; |
| 674 | static struct ui_stream *stb = NULL; |
| 675 | |
| 676 | stb = ui_out_stream_new (uiout); |
| 677 | |
| 678 | if (format == 'N') |
| 679 | format = 0; |
| 680 | |
| 681 | frame_register (frame, regnum, &optim, &lval, &addr, &realnum, buffer); |
| 682 | |
| 683 | if (optim) |
| 684 | error ("Optimized out"); |
| 685 | |
| 686 | if (format == 'r') |
| 687 | { |
| 688 | int j; |
| 689 | char *ptr, buf[1024]; |
| 690 | |
| 691 | strcpy (buf, "0x"); |
| 692 | ptr = buf + 2; |
| 693 | for (j = 0; j < register_size (gdbarch, regnum); j++) |
| 694 | { |
| 695 | int idx = gdbarch_byte_order (gdbarch) == BFD_ENDIAN_BIG ? |
| 696 | j : register_size (gdbarch, regnum) - 1 - j; |
| 697 | sprintf (ptr, "%02x", (unsigned char) buffer[idx]); |
| 698 | ptr += 2; |
| 699 | } |
| 700 | ui_out_field_string (uiout, "value", buf); |
| 701 | /*fputs_filtered (buf, gdb_stdout); */ |
| 702 | } |
| 703 | else |
| 704 | { |
| 705 | struct value_print_options opts; |
| 706 | get_formatted_print_options (&opts, format); |
| 707 | opts.deref_ref = 1; |
| 708 | val_print (register_type (gdbarch, regnum), buffer, 0, 0, |
| 709 | stb->stream, 0, &opts, current_language); |
| 710 | ui_out_field_stream (uiout, "value", stb); |
| 711 | ui_out_stream_delete (stb); |
| 712 | } |
| 713 | } |
| 714 | |
| 715 | /* Write given values into registers. The registers and values are |
| 716 | given as pairs. The corresponding MI command is |
| 717 | -data-write-register-values <format> [<regnum1> <value1>...<regnumN> <valueN>]*/ |
| 718 | void |
| 719 | mi_cmd_data_write_register_values (char *command, char **argv, int argc) |
| 720 | { |
| 721 | struct regcache *regcache; |
| 722 | struct gdbarch *gdbarch; |
| 723 | int numregs, i; |
| 724 | char format; |
| 725 | |
| 726 | /* Note that the test for a valid register must include checking the |
| 727 | gdbarch_register_name because gdbarch_num_regs may be allocated for |
| 728 | the union of the register sets within a family of related processors. |
| 729 | In this case, some entries of gdbarch_register_name will change depending |
| 730 | upon the particular processor being debugged. */ |
| 731 | |
| 732 | regcache = get_current_regcache (); |
| 733 | gdbarch = get_regcache_arch (regcache); |
| 734 | numregs = gdbarch_num_regs (gdbarch) + gdbarch_num_pseudo_regs (gdbarch); |
| 735 | |
| 736 | if (argc == 0) |
| 737 | error ("mi_cmd_data_write_register_values: Usage: -data-write-register-values <format> [<regnum1> <value1>...<regnumN> <valueN>]"); |
| 738 | |
| 739 | format = (int) argv[0][0]; |
| 740 | |
| 741 | if (!target_has_registers) |
| 742 | error ("mi_cmd_data_write_register_values: No registers."); |
| 743 | |
| 744 | if (!(argc - 1)) |
| 745 | error ("mi_cmd_data_write_register_values: No regs and values specified."); |
| 746 | |
| 747 | if ((argc - 1) % 2) |
| 748 | error ("mi_cmd_data_write_register_values: Regs and vals are not in pairs."); |
| 749 | |
| 750 | for (i = 1; i < argc; i = i + 2) |
| 751 | { |
| 752 | int regnum = atoi (argv[i]); |
| 753 | |
| 754 | if (regnum >= 0 && regnum < numregs |
| 755 | && gdbarch_register_name (gdbarch, regnum) |
| 756 | && *gdbarch_register_name (gdbarch, regnum)) |
| 757 | { |
| 758 | LONGEST value; |
| 759 | |
| 760 | /* Get the value as a number. */ |
| 761 | value = parse_and_eval_address (argv[i + 1]); |
| 762 | |
| 763 | /* Write it down. */ |
| 764 | regcache_cooked_write_signed (regcache, regnum, value); |
| 765 | } |
| 766 | else |
| 767 | error ("bad register number"); |
| 768 | } |
| 769 | } |
| 770 | |
| 771 | /* Evaluate the value of the argument. The argument is an |
| 772 | expression. If the expression contains spaces it needs to be |
| 773 | included in double quotes. */ |
| 774 | void |
| 775 | mi_cmd_data_evaluate_expression (char *command, char **argv, int argc) |
| 776 | { |
| 777 | struct expression *expr; |
| 778 | struct cleanup *old_chain = NULL; |
| 779 | struct value *val; |
| 780 | struct ui_stream *stb = NULL; |
| 781 | struct value_print_options opts; |
| 782 | |
| 783 | stb = ui_out_stream_new (uiout); |
| 784 | |
| 785 | if (argc != 1) |
| 786 | { |
| 787 | ui_out_stream_delete (stb); |
| 788 | error ("mi_cmd_data_evaluate_expression: Usage: -data-evaluate-expression expression"); |
| 789 | } |
| 790 | |
| 791 | expr = parse_expression (argv[0]); |
| 792 | |
| 793 | old_chain = make_cleanup (free_current_contents, &expr); |
| 794 | |
| 795 | val = evaluate_expression (expr); |
| 796 | |
| 797 | /* Print the result of the expression evaluation. */ |
| 798 | get_user_print_options (&opts); |
| 799 | opts.deref_ref = 0; |
| 800 | val_print (value_type (val), value_contents (val), |
| 801 | value_embedded_offset (val), value_address (val), |
| 802 | stb->stream, 0, &opts, current_language); |
| 803 | |
| 804 | ui_out_field_stream (uiout, "value", stb); |
| 805 | ui_out_stream_delete (stb); |
| 806 | |
| 807 | do_cleanups (old_chain); |
| 808 | } |
| 809 | |
| 810 | /* DATA-MEMORY-READ: |
| 811 | |
| 812 | ADDR: start address of data to be dumped. |
| 813 | WORD-FORMAT: a char indicating format for the ``word''. See |
| 814 | the ``x'' command. |
| 815 | WORD-SIZE: size of each ``word''; 1,2,4, or 8 bytes. |
| 816 | NR_ROW: Number of rows. |
| 817 | NR_COL: The number of colums (words per row). |
| 818 | ASCHAR: (OPTIONAL) Append an ascii character dump to each row. Use |
| 819 | ASCHAR for unprintable characters. |
| 820 | |
| 821 | Reads SIZE*NR_ROW*NR_COL bytes starting at ADDR from memory and |
| 822 | displayes them. Returns: |
| 823 | |
| 824 | {addr="...",rowN={wordN="..." ,... [,ascii="..."]}, ...} |
| 825 | |
| 826 | Returns: |
| 827 | The number of bytes read is SIZE*ROW*COL. */ |
| 828 | |
| 829 | void |
| 830 | mi_cmd_data_read_memory (char *command, char **argv, int argc) |
| 831 | { |
| 832 | struct gdbarch *gdbarch = get_current_arch (); |
| 833 | struct cleanup *cleanups = make_cleanup (null_cleanup, NULL); |
| 834 | CORE_ADDR addr; |
| 835 | long total_bytes; |
| 836 | long nr_cols; |
| 837 | long nr_rows; |
| 838 | char word_format; |
| 839 | struct type *word_type; |
| 840 | long word_size; |
| 841 | char word_asize; |
| 842 | char aschar; |
| 843 | gdb_byte *mbuf; |
| 844 | int nr_bytes; |
| 845 | long offset = 0; |
| 846 | int optind = 0; |
| 847 | char *optarg; |
| 848 | enum opt |
| 849 | { |
| 850 | OFFSET_OPT |
| 851 | }; |
| 852 | static struct mi_opt opts[] = |
| 853 | { |
| 854 | {"o", OFFSET_OPT, 1}, |
| 855 | { 0, 0, 0 } |
| 856 | }; |
| 857 | |
| 858 | while (1) |
| 859 | { |
| 860 | int opt = mi_getopt ("mi_cmd_data_read_memory", argc, argv, opts, |
| 861 | &optind, &optarg); |
| 862 | if (opt < 0) |
| 863 | break; |
| 864 | switch ((enum opt) opt) |
| 865 | { |
| 866 | case OFFSET_OPT: |
| 867 | offset = atol (optarg); |
| 868 | break; |
| 869 | } |
| 870 | } |
| 871 | argv += optind; |
| 872 | argc -= optind; |
| 873 | |
| 874 | if (argc < 5 || argc > 6) |
| 875 | error ("mi_cmd_data_read_memory: Usage: ADDR WORD-FORMAT WORD-SIZE NR-ROWS NR-COLS [ASCHAR]."); |
| 876 | |
| 877 | /* Extract all the arguments. */ |
| 878 | |
| 879 | /* Start address of the memory dump. */ |
| 880 | addr = parse_and_eval_address (argv[0]) + offset; |
| 881 | /* The format character to use when displaying a memory word. See |
| 882 | the ``x'' command. */ |
| 883 | word_format = argv[1][0]; |
| 884 | /* The size of the memory word. */ |
| 885 | word_size = atol (argv[2]); |
| 886 | switch (word_size) |
| 887 | { |
| 888 | case 1: |
| 889 | word_type = builtin_type (gdbarch)->builtin_int8; |
| 890 | word_asize = 'b'; |
| 891 | break; |
| 892 | case 2: |
| 893 | word_type = builtin_type (gdbarch)->builtin_int16; |
| 894 | word_asize = 'h'; |
| 895 | break; |
| 896 | case 4: |
| 897 | word_type = builtin_type (gdbarch)->builtin_int32; |
| 898 | word_asize = 'w'; |
| 899 | break; |
| 900 | case 8: |
| 901 | word_type = builtin_type (gdbarch)->builtin_int64; |
| 902 | word_asize = 'g'; |
| 903 | break; |
| 904 | default: |
| 905 | word_type = builtin_type (gdbarch)->builtin_int8; |
| 906 | word_asize = 'b'; |
| 907 | } |
| 908 | /* The number of rows. */ |
| 909 | nr_rows = atol (argv[3]); |
| 910 | if (nr_rows <= 0) |
| 911 | error ("mi_cmd_data_read_memory: invalid number of rows."); |
| 912 | |
| 913 | /* Number of bytes per row. */ |
| 914 | nr_cols = atol (argv[4]); |
| 915 | if (nr_cols <= 0) |
| 916 | error ("mi_cmd_data_read_memory: invalid number of columns."); |
| 917 | |
| 918 | /* The un-printable character when printing ascii. */ |
| 919 | if (argc == 6) |
| 920 | aschar = *argv[5]; |
| 921 | else |
| 922 | aschar = 0; |
| 923 | |
| 924 | /* Create a buffer and read it in. */ |
| 925 | total_bytes = word_size * nr_rows * nr_cols; |
| 926 | mbuf = xcalloc (total_bytes, 1); |
| 927 | make_cleanup (xfree, mbuf); |
| 928 | |
| 929 | /* Dispatch memory reads to the topmost target, not the flattened |
| 930 | current_target. */ |
| 931 | nr_bytes = target_read_until_error (current_target.beneath, |
| 932 | TARGET_OBJECT_MEMORY, NULL, mbuf, |
| 933 | addr, total_bytes); |
| 934 | if (nr_bytes <= 0) |
| 935 | error ("Unable to read memory."); |
| 936 | |
| 937 | /* Output the header information. */ |
| 938 | ui_out_field_core_addr (uiout, "addr", gdbarch, addr); |
| 939 | ui_out_field_int (uiout, "nr-bytes", nr_bytes); |
| 940 | ui_out_field_int (uiout, "total-bytes", total_bytes); |
| 941 | ui_out_field_core_addr (uiout, "next-row", |
| 942 | gdbarch, addr + word_size * nr_cols); |
| 943 | ui_out_field_core_addr (uiout, "prev-row", |
| 944 | gdbarch, addr - word_size * nr_cols); |
| 945 | ui_out_field_core_addr (uiout, "next-page", gdbarch, addr + total_bytes); |
| 946 | ui_out_field_core_addr (uiout, "prev-page", gdbarch, addr - total_bytes); |
| 947 | |
| 948 | /* Build the result as a two dimentional table. */ |
| 949 | { |
| 950 | struct ui_stream *stream = ui_out_stream_new (uiout); |
| 951 | struct cleanup *cleanup_list_memory; |
| 952 | int row; |
| 953 | int row_byte; |
| 954 | cleanup_list_memory = make_cleanup_ui_out_list_begin_end (uiout, "memory"); |
| 955 | for (row = 0, row_byte = 0; |
| 956 | row < nr_rows; |
| 957 | row++, row_byte += nr_cols * word_size) |
| 958 | { |
| 959 | int col; |
| 960 | int col_byte; |
| 961 | struct cleanup *cleanup_tuple; |
| 962 | struct cleanup *cleanup_list_data; |
| 963 | struct value_print_options opts; |
| 964 | |
| 965 | cleanup_tuple = make_cleanup_ui_out_tuple_begin_end (uiout, NULL); |
| 966 | ui_out_field_core_addr (uiout, "addr", gdbarch, addr + row_byte); |
| 967 | /* ui_out_field_core_addr_symbolic (uiout, "saddr", addr + row_byte); */ |
| 968 | cleanup_list_data = make_cleanup_ui_out_list_begin_end (uiout, "data"); |
| 969 | get_formatted_print_options (&opts, word_format); |
| 970 | for (col = 0, col_byte = row_byte; |
| 971 | col < nr_cols; |
| 972 | col++, col_byte += word_size) |
| 973 | { |
| 974 | if (col_byte + word_size > nr_bytes) |
| 975 | { |
| 976 | ui_out_field_string (uiout, NULL, "N/A"); |
| 977 | } |
| 978 | else |
| 979 | { |
| 980 | ui_file_rewind (stream->stream); |
| 981 | print_scalar_formatted (mbuf + col_byte, word_type, &opts, |
| 982 | word_asize, stream->stream); |
| 983 | ui_out_field_stream (uiout, NULL, stream); |
| 984 | } |
| 985 | } |
| 986 | do_cleanups (cleanup_list_data); |
| 987 | if (aschar) |
| 988 | { |
| 989 | int byte; |
| 990 | ui_file_rewind (stream->stream); |
| 991 | for (byte = row_byte; byte < row_byte + word_size * nr_cols; byte++) |
| 992 | { |
| 993 | if (byte >= nr_bytes) |
| 994 | { |
| 995 | fputc_unfiltered ('X', stream->stream); |
| 996 | } |
| 997 | else if (mbuf[byte] < 32 || mbuf[byte] > 126) |
| 998 | { |
| 999 | fputc_unfiltered (aschar, stream->stream); |
| 1000 | } |
| 1001 | else |
| 1002 | fputc_unfiltered (mbuf[byte], stream->stream); |
| 1003 | } |
| 1004 | ui_out_field_stream (uiout, "ascii", stream); |
| 1005 | } |
| 1006 | do_cleanups (cleanup_tuple); |
| 1007 | } |
| 1008 | ui_out_stream_delete (stream); |
| 1009 | do_cleanups (cleanup_list_memory); |
| 1010 | } |
| 1011 | do_cleanups (cleanups); |
| 1012 | } |
| 1013 | |
| 1014 | /* DATA-MEMORY-WRITE: |
| 1015 | |
| 1016 | COLUMN_OFFSET: optional argument. Must be preceeded by '-o'. The |
| 1017 | offset from the beginning of the memory grid row where the cell to |
| 1018 | be written is. |
| 1019 | ADDR: start address of the row in the memory grid where the memory |
| 1020 | cell is, if OFFSET_COLUMN is specified. Otherwise, the address of |
| 1021 | the location to write to. |
| 1022 | FORMAT: a char indicating format for the ``word''. See |
| 1023 | the ``x'' command. |
| 1024 | WORD_SIZE: size of each ``word''; 1,2,4, or 8 bytes |
| 1025 | VALUE: value to be written into the memory address. |
| 1026 | |
| 1027 | Writes VALUE into ADDR + (COLUMN_OFFSET * WORD_SIZE). |
| 1028 | |
| 1029 | Prints nothing. */ |
| 1030 | void |
| 1031 | mi_cmd_data_write_memory (char *command, char **argv, int argc) |
| 1032 | { |
| 1033 | struct gdbarch *gdbarch = get_current_arch (); |
| 1034 | enum bfd_endian byte_order = gdbarch_byte_order (gdbarch); |
| 1035 | CORE_ADDR addr; |
| 1036 | char word_format; |
| 1037 | long word_size; |
| 1038 | /* FIXME: ezannoni 2000-02-17 LONGEST could possibly not be big |
| 1039 | enough when using a compiler other than GCC. */ |
| 1040 | LONGEST value; |
| 1041 | void *buffer; |
| 1042 | struct cleanup *old_chain; |
| 1043 | long offset = 0; |
| 1044 | int optind = 0; |
| 1045 | char *optarg; |
| 1046 | enum opt |
| 1047 | { |
| 1048 | OFFSET_OPT |
| 1049 | }; |
| 1050 | static struct mi_opt opts[] = |
| 1051 | { |
| 1052 | {"o", OFFSET_OPT, 1}, |
| 1053 | { 0, 0, 0 } |
| 1054 | }; |
| 1055 | |
| 1056 | while (1) |
| 1057 | { |
| 1058 | int opt = mi_getopt ("mi_cmd_data_write_memory", argc, argv, opts, |
| 1059 | &optind, &optarg); |
| 1060 | if (opt < 0) |
| 1061 | break; |
| 1062 | switch ((enum opt) opt) |
| 1063 | { |
| 1064 | case OFFSET_OPT: |
| 1065 | offset = atol (optarg); |
| 1066 | break; |
| 1067 | } |
| 1068 | } |
| 1069 | argv += optind; |
| 1070 | argc -= optind; |
| 1071 | |
| 1072 | if (argc != 4) |
| 1073 | error ("mi_cmd_data_write_memory: Usage: [-o COLUMN_OFFSET] ADDR FORMAT WORD-SIZE VALUE."); |
| 1074 | |
| 1075 | /* Extract all the arguments. */ |
| 1076 | /* Start address of the memory dump. */ |
| 1077 | addr = parse_and_eval_address (argv[0]); |
| 1078 | /* The format character to use when displaying a memory word. See |
| 1079 | the ``x'' command. */ |
| 1080 | word_format = argv[1][0]; |
| 1081 | /* The size of the memory word. */ |
| 1082 | word_size = atol (argv[2]); |
| 1083 | |
| 1084 | /* Calculate the real address of the write destination. */ |
| 1085 | addr += (offset * word_size); |
| 1086 | |
| 1087 | /* Get the value as a number. */ |
| 1088 | value = parse_and_eval_address (argv[3]); |
| 1089 | /* Get the value into an array. */ |
| 1090 | buffer = xmalloc (word_size); |
| 1091 | old_chain = make_cleanup (xfree, buffer); |
| 1092 | store_signed_integer (buffer, word_size, byte_order, value); |
| 1093 | /* Write it down to memory. */ |
| 1094 | write_memory (addr, buffer, word_size); |
| 1095 | /* Free the buffer. */ |
| 1096 | do_cleanups (old_chain); |
| 1097 | } |
| 1098 | |
| 1099 | void |
| 1100 | mi_cmd_enable_timings (char *command, char **argv, int argc) |
| 1101 | { |
| 1102 | if (argc == 0) |
| 1103 | do_timings = 1; |
| 1104 | else if (argc == 1) |
| 1105 | { |
| 1106 | if (strcmp (argv[0], "yes") == 0) |
| 1107 | do_timings = 1; |
| 1108 | else if (strcmp (argv[0], "no") == 0) |
| 1109 | do_timings = 0; |
| 1110 | else |
| 1111 | goto usage_error; |
| 1112 | } |
| 1113 | else |
| 1114 | goto usage_error; |
| 1115 | |
| 1116 | return; |
| 1117 | |
| 1118 | usage_error: |
| 1119 | error ("mi_cmd_enable_timings: Usage: %s {yes|no}", command); |
| 1120 | } |
| 1121 | |
| 1122 | void |
| 1123 | mi_cmd_list_features (char *command, char **argv, int argc) |
| 1124 | { |
| 1125 | if (argc == 0) |
| 1126 | { |
| 1127 | struct cleanup *cleanup = NULL; |
| 1128 | cleanup = make_cleanup_ui_out_list_begin_end (uiout, "features"); |
| 1129 | |
| 1130 | ui_out_field_string (uiout, NULL, "frozen-varobjs"); |
| 1131 | ui_out_field_string (uiout, NULL, "pending-breakpoints"); |
| 1132 | ui_out_field_string (uiout, NULL, "thread-info"); |
| 1133 | |
| 1134 | #if HAVE_PYTHON |
| 1135 | ui_out_field_string (uiout, NULL, "python"); |
| 1136 | #endif |
| 1137 | |
| 1138 | do_cleanups (cleanup); |
| 1139 | return; |
| 1140 | } |
| 1141 | |
| 1142 | error ("-list-features should be passed no arguments"); |
| 1143 | } |
| 1144 | |
| 1145 | void |
| 1146 | mi_cmd_list_target_features (char *command, char **argv, int argc) |
| 1147 | { |
| 1148 | if (argc == 0) |
| 1149 | { |
| 1150 | struct cleanup *cleanup = NULL; |
| 1151 | cleanup = make_cleanup_ui_out_list_begin_end (uiout, "features"); |
| 1152 | |
| 1153 | if (target_can_async_p ()) |
| 1154 | ui_out_field_string (uiout, NULL, "async"); |
| 1155 | |
| 1156 | do_cleanups (cleanup); |
| 1157 | return; |
| 1158 | } |
| 1159 | |
| 1160 | error ("-list-target-features should be passed no arguments"); |
| 1161 | } |
| 1162 | |
| 1163 | /* Execute a command within a safe environment. |
| 1164 | Return <0 for error; >=0 for ok. |
| 1165 | |
| 1166 | args->action will tell mi_execute_command what action |
| 1167 | to perfrom after the given command has executed (display/suppress |
| 1168 | prompt, display error). */ |
| 1169 | |
| 1170 | static void |
| 1171 | captured_mi_execute_command (struct ui_out *uiout, void *data) |
| 1172 | { |
| 1173 | struct cleanup *cleanup; |
| 1174 | struct mi_parse *context = (struct mi_parse *) data; |
| 1175 | |
| 1176 | if (do_timings) |
| 1177 | current_command_ts = context->cmd_start; |
| 1178 | |
| 1179 | current_token = xstrdup (context->token); |
| 1180 | cleanup = make_cleanup (free_current_contents, ¤t_token); |
| 1181 | |
| 1182 | running_result_record_printed = 0; |
| 1183 | mi_proceeded = 0; |
| 1184 | switch (context->op) |
| 1185 | { |
| 1186 | case MI_COMMAND: |
| 1187 | /* A MI command was read from the input stream. */ |
| 1188 | if (mi_debug_p) |
| 1189 | /* FIXME: gdb_???? */ |
| 1190 | fprintf_unfiltered (raw_stdout, " token=`%s' command=`%s' args=`%s'\n", |
| 1191 | context->token, context->command, context->args); |
| 1192 | |
| 1193 | |
| 1194 | mi_cmd_execute (context); |
| 1195 | |
| 1196 | /* Print the result if there were no errors. |
| 1197 | |
| 1198 | Remember that on the way out of executing a command, you have |
| 1199 | to directly use the mi_interp's uiout, since the command could |
| 1200 | have reset the interpreter, in which case the current uiout |
| 1201 | will most likely crash in the mi_out_* routines. */ |
| 1202 | if (!running_result_record_printed) |
| 1203 | { |
| 1204 | fputs_unfiltered (context->token, raw_stdout); |
| 1205 | /* There's no particularly good reason why target-connect results |
| 1206 | in not ^done. Should kill ^connected for MI3. */ |
| 1207 | fputs_unfiltered (strcmp (context->command, "target-select") == 0 |
| 1208 | ? "^connected" : "^done", raw_stdout); |
| 1209 | mi_out_put (uiout, raw_stdout); |
| 1210 | mi_out_rewind (uiout); |
| 1211 | mi_print_timing_maybe (); |
| 1212 | fputs_unfiltered ("\n", raw_stdout); |
| 1213 | } |
| 1214 | else |
| 1215 | /* The command does not want anything to be printed. In that |
| 1216 | case, the command probably should not have written anything |
| 1217 | to uiout, but in case it has written something, discard it. */ |
| 1218 | mi_out_rewind (uiout); |
| 1219 | break; |
| 1220 | |
| 1221 | case CLI_COMMAND: |
| 1222 | { |
| 1223 | char *argv[2]; |
| 1224 | /* A CLI command was read from the input stream. */ |
| 1225 | /* This "feature" will be removed as soon as we have a |
| 1226 | complete set of mi commands. */ |
| 1227 | /* Echo the command on the console. */ |
| 1228 | fprintf_unfiltered (gdb_stdlog, "%s\n", context->command); |
| 1229 | /* Call the "console" interpreter. */ |
| 1230 | argv[0] = "console"; |
| 1231 | argv[1] = context->command; |
| 1232 | mi_cmd_interpreter_exec ("-interpreter-exec", argv, 2); |
| 1233 | |
| 1234 | /* If we changed interpreters, DON'T print out anything. */ |
| 1235 | if (current_interp_named_p (INTERP_MI) |
| 1236 | || current_interp_named_p (INTERP_MI1) |
| 1237 | || current_interp_named_p (INTERP_MI2) |
| 1238 | || current_interp_named_p (INTERP_MI3)) |
| 1239 | { |
| 1240 | if (!running_result_record_printed) |
| 1241 | { |
| 1242 | fputs_unfiltered (context->token, raw_stdout); |
| 1243 | fputs_unfiltered ("^done", raw_stdout); |
| 1244 | mi_out_put (uiout, raw_stdout); |
| 1245 | mi_out_rewind (uiout); |
| 1246 | mi_print_timing_maybe (); |
| 1247 | fputs_unfiltered ("\n", raw_stdout); |
| 1248 | } |
| 1249 | else |
| 1250 | mi_out_rewind (uiout); |
| 1251 | } |
| 1252 | break; |
| 1253 | } |
| 1254 | |
| 1255 | } |
| 1256 | |
| 1257 | do_cleanups (cleanup); |
| 1258 | |
| 1259 | return; |
| 1260 | } |
| 1261 | |
| 1262 | |
| 1263 | void |
| 1264 | mi_execute_command (char *cmd, int from_tty) |
| 1265 | { |
| 1266 | struct mi_parse *command; |
| 1267 | struct ui_out *saved_uiout = uiout; |
| 1268 | |
| 1269 | /* This is to handle EOF (^D). We just quit gdb. */ |
| 1270 | /* FIXME: we should call some API function here. */ |
| 1271 | if (cmd == 0) |
| 1272 | quit_force (NULL, from_tty); |
| 1273 | |
| 1274 | command = mi_parse (cmd); |
| 1275 | |
| 1276 | if (command != NULL) |
| 1277 | { |
| 1278 | struct gdb_exception result; |
| 1279 | ptid_t previous_ptid = inferior_ptid; |
| 1280 | |
| 1281 | if (do_timings) |
| 1282 | { |
| 1283 | command->cmd_start = (struct mi_timestamp *) |
| 1284 | xmalloc (sizeof (struct mi_timestamp)); |
| 1285 | timestamp (command->cmd_start); |
| 1286 | } |
| 1287 | |
| 1288 | result = catch_exception (uiout, captured_mi_execute_command, command, |
| 1289 | RETURN_MASK_ALL); |
| 1290 | if (result.reason < 0) |
| 1291 | { |
| 1292 | /* The command execution failed and error() was called |
| 1293 | somewhere. */ |
| 1294 | fputs_unfiltered (command->token, raw_stdout); |
| 1295 | fputs_unfiltered ("^error,msg=\"", raw_stdout); |
| 1296 | if (result.message == NULL) |
| 1297 | fputs_unfiltered ("unknown error", raw_stdout); |
| 1298 | else |
| 1299 | fputstr_unfiltered (result.message, '"', raw_stdout); |
| 1300 | fputs_unfiltered ("\"\n", raw_stdout); |
| 1301 | mi_out_rewind (uiout); |
| 1302 | } |
| 1303 | |
| 1304 | if (/* The notifications are only output when the top-level |
| 1305 | interpreter (specified on the command line) is MI. */ |
| 1306 | ui_out_is_mi_like_p (interp_ui_out (top_level_interpreter ())) |
| 1307 | /* Don't try report anything if there are no threads -- |
| 1308 | the program is dead. */ |
| 1309 | && thread_count () != 0 |
| 1310 | /* -thread-select explicitly changes thread. If frontend uses that |
| 1311 | internally, we don't want to emit =thread-selected, since |
| 1312 | =thread-selected is supposed to indicate user's intentions. */ |
| 1313 | && strcmp (command->command, "thread-select") != 0) |
| 1314 | { |
| 1315 | struct mi_interp *mi = top_level_interpreter_data (); |
| 1316 | int report_change = 0; |
| 1317 | |
| 1318 | if (command->thread == -1) |
| 1319 | { |
| 1320 | report_change = (!ptid_equal (previous_ptid, null_ptid) |
| 1321 | && !ptid_equal (inferior_ptid, previous_ptid) |
| 1322 | && !ptid_equal (inferior_ptid, null_ptid)); |
| 1323 | } |
| 1324 | else if (!ptid_equal (inferior_ptid, null_ptid)) |
| 1325 | { |
| 1326 | struct thread_info *ti = inferior_thread (); |
| 1327 | report_change = (ti->num != command->thread); |
| 1328 | } |
| 1329 | |
| 1330 | if (report_change) |
| 1331 | { |
| 1332 | struct thread_info *ti = inferior_thread (); |
| 1333 | target_terminal_ours (); |
| 1334 | fprintf_unfiltered (mi->event_channel, |
| 1335 | "thread-selected,id=\"%d\"", |
| 1336 | ti->num); |
| 1337 | gdb_flush (mi->event_channel); |
| 1338 | } |
| 1339 | } |
| 1340 | |
| 1341 | mi_parse_free (command); |
| 1342 | } |
| 1343 | |
| 1344 | fputs_unfiltered ("(gdb) \n", raw_stdout); |
| 1345 | gdb_flush (raw_stdout); |
| 1346 | /* Print any buffered hook code. */ |
| 1347 | /* ..... */ |
| 1348 | } |
| 1349 | |
| 1350 | static void |
| 1351 | mi_cmd_execute (struct mi_parse *parse) |
| 1352 | { |
| 1353 | struct cleanup *cleanup; |
| 1354 | int i; |
| 1355 | |
| 1356 | free_all_values (); |
| 1357 | cleanup = make_cleanup (null_cleanup, NULL); |
| 1358 | |
| 1359 | if (parse->frame != -1 && parse->thread == -1) |
| 1360 | error (_("Cannot specify --frame without --thread")); |
| 1361 | |
| 1362 | if (parse->thread != -1) |
| 1363 | { |
| 1364 | struct thread_info *tp = find_thread_id (parse->thread); |
| 1365 | if (!tp) |
| 1366 | error (_("Invalid thread id: %d"), parse->thread); |
| 1367 | |
| 1368 | if (is_exited (tp->ptid)) |
| 1369 | error (_("Thread id: %d has terminated"), parse->thread); |
| 1370 | |
| 1371 | switch_to_thread (tp->ptid); |
| 1372 | } |
| 1373 | |
| 1374 | if (parse->frame != -1) |
| 1375 | { |
| 1376 | struct frame_info *fid; |
| 1377 | int frame = parse->frame; |
| 1378 | fid = find_relative_frame (get_current_frame (), &frame); |
| 1379 | if (frame == 0) |
| 1380 | /* find_relative_frame was successful */ |
| 1381 | select_frame (fid); |
| 1382 | else |
| 1383 | error (_("Invalid frame id: %d"), frame); |
| 1384 | } |
| 1385 | |
| 1386 | if (parse->cmd->argv_func != NULL) |
| 1387 | parse->cmd->argv_func (parse->command, parse->argv, parse->argc); |
| 1388 | else if (parse->cmd->cli.cmd != 0) |
| 1389 | { |
| 1390 | /* FIXME: DELETE THIS. */ |
| 1391 | /* The operation is still implemented by a cli command. */ |
| 1392 | /* Must be a synchronous one. */ |
| 1393 | mi_execute_cli_command (parse->cmd->cli.cmd, parse->cmd->cli.args_p, |
| 1394 | parse->args); |
| 1395 | } |
| 1396 | else |
| 1397 | { |
| 1398 | /* FIXME: DELETE THIS. */ |
| 1399 | struct ui_file *stb; |
| 1400 | |
| 1401 | stb = mem_fileopen (); |
| 1402 | |
| 1403 | fputs_unfiltered ("Undefined mi command: ", stb); |
| 1404 | fputstr_unfiltered (parse->command, '"', stb); |
| 1405 | fputs_unfiltered (" (missing implementation)", stb); |
| 1406 | |
| 1407 | make_cleanup_ui_file_delete (stb); |
| 1408 | error_stream (stb); |
| 1409 | } |
| 1410 | do_cleanups (cleanup); |
| 1411 | } |
| 1412 | |
| 1413 | /* FIXME: This is just a hack so we can get some extra commands going. |
| 1414 | We don't want to channel things through the CLI, but call libgdb directly. |
| 1415 | Use only for synchronous commands. */ |
| 1416 | |
| 1417 | void |
| 1418 | mi_execute_cli_command (const char *cmd, int args_p, const char *args) |
| 1419 | { |
| 1420 | if (cmd != 0) |
| 1421 | { |
| 1422 | struct cleanup *old_cleanups; |
| 1423 | char *run; |
| 1424 | if (args_p) |
| 1425 | run = xstrprintf ("%s %s", cmd, args); |
| 1426 | else |
| 1427 | run = xstrdup (cmd); |
| 1428 | if (mi_debug_p) |
| 1429 | /* FIXME: gdb_???? */ |
| 1430 | fprintf_unfiltered (gdb_stdout, "cli=%s run=%s\n", |
| 1431 | cmd, run); |
| 1432 | old_cleanups = make_cleanup (xfree, run); |
| 1433 | execute_command ( /*ui */ run, 0 /*from_tty */ ); |
| 1434 | do_cleanups (old_cleanups); |
| 1435 | return; |
| 1436 | } |
| 1437 | } |
| 1438 | |
| 1439 | void |
| 1440 | mi_execute_async_cli_command (char *cli_command, char **argv, int argc) |
| 1441 | { |
| 1442 | struct cleanup *old_cleanups; |
| 1443 | char *run; |
| 1444 | |
| 1445 | if (target_can_async_p ()) |
| 1446 | run = xstrprintf ("%s %s&", cli_command, argc ? *argv : ""); |
| 1447 | else |
| 1448 | run = xstrprintf ("%s %s", cli_command, argc ? *argv : ""); |
| 1449 | old_cleanups = make_cleanup (xfree, run); |
| 1450 | |
| 1451 | execute_command ( /*ui */ run, 0 /*from_tty */ ); |
| 1452 | |
| 1453 | if (target_can_async_p ()) |
| 1454 | { |
| 1455 | /* If we're not executing, an exception should have been throw. */ |
| 1456 | gdb_assert (is_running (inferior_ptid)); |
| 1457 | do_cleanups (old_cleanups); |
| 1458 | } |
| 1459 | else |
| 1460 | { |
| 1461 | /* Do this before doing any printing. It would appear that some |
| 1462 | print code leaves garbage around in the buffer. */ |
| 1463 | do_cleanups (old_cleanups); |
| 1464 | } |
| 1465 | } |
| 1466 | |
| 1467 | void |
| 1468 | mi_load_progress (const char *section_name, |
| 1469 | unsigned long sent_so_far, |
| 1470 | unsigned long total_section, |
| 1471 | unsigned long total_sent, |
| 1472 | unsigned long grand_total) |
| 1473 | { |
| 1474 | struct timeval time_now, delta, update_threshold; |
| 1475 | static struct timeval last_update; |
| 1476 | static char *previous_sect_name = NULL; |
| 1477 | int new_section; |
| 1478 | struct ui_out *saved_uiout; |
| 1479 | |
| 1480 | /* This function is called through deprecated_show_load_progress |
| 1481 | which means uiout may not be correct. Fix it for the duration |
| 1482 | of this function. */ |
| 1483 | saved_uiout = uiout; |
| 1484 | |
| 1485 | if (current_interp_named_p (INTERP_MI) |
| 1486 | || current_interp_named_p (INTERP_MI2)) |
| 1487 | uiout = mi_out_new (2); |
| 1488 | else if (current_interp_named_p (INTERP_MI1)) |
| 1489 | uiout = mi_out_new (1); |
| 1490 | else if (current_interp_named_p (INTERP_MI3)) |
| 1491 | uiout = mi_out_new (3); |
| 1492 | else |
| 1493 | return; |
| 1494 | |
| 1495 | update_threshold.tv_sec = 0; |
| 1496 | update_threshold.tv_usec = 500000; |
| 1497 | gettimeofday (&time_now, NULL); |
| 1498 | |
| 1499 | delta.tv_usec = time_now.tv_usec - last_update.tv_usec; |
| 1500 | delta.tv_sec = time_now.tv_sec - last_update.tv_sec; |
| 1501 | |
| 1502 | if (delta.tv_usec < 0) |
| 1503 | { |
| 1504 | delta.tv_sec -= 1; |
| 1505 | delta.tv_usec += 1000000L; |
| 1506 | } |
| 1507 | |
| 1508 | new_section = (previous_sect_name ? |
| 1509 | strcmp (previous_sect_name, section_name) : 1); |
| 1510 | if (new_section) |
| 1511 | { |
| 1512 | struct cleanup *cleanup_tuple; |
| 1513 | xfree (previous_sect_name); |
| 1514 | previous_sect_name = xstrdup (section_name); |
| 1515 | |
| 1516 | if (current_token) |
| 1517 | fputs_unfiltered (current_token, raw_stdout); |
| 1518 | fputs_unfiltered ("+download", raw_stdout); |
| 1519 | cleanup_tuple = make_cleanup_ui_out_tuple_begin_end (uiout, NULL); |
| 1520 | ui_out_field_string (uiout, "section", section_name); |
| 1521 | ui_out_field_int (uiout, "section-size", total_section); |
| 1522 | ui_out_field_int (uiout, "total-size", grand_total); |
| 1523 | do_cleanups (cleanup_tuple); |
| 1524 | mi_out_put (uiout, raw_stdout); |
| 1525 | fputs_unfiltered ("\n", raw_stdout); |
| 1526 | gdb_flush (raw_stdout); |
| 1527 | } |
| 1528 | |
| 1529 | if (delta.tv_sec >= update_threshold.tv_sec && |
| 1530 | delta.tv_usec >= update_threshold.tv_usec) |
| 1531 | { |
| 1532 | struct cleanup *cleanup_tuple; |
| 1533 | last_update.tv_sec = time_now.tv_sec; |
| 1534 | last_update.tv_usec = time_now.tv_usec; |
| 1535 | if (current_token) |
| 1536 | fputs_unfiltered (current_token, raw_stdout); |
| 1537 | fputs_unfiltered ("+download", raw_stdout); |
| 1538 | cleanup_tuple = make_cleanup_ui_out_tuple_begin_end (uiout, NULL); |
| 1539 | ui_out_field_string (uiout, "section", section_name); |
| 1540 | ui_out_field_int (uiout, "section-sent", sent_so_far); |
| 1541 | ui_out_field_int (uiout, "section-size", total_section); |
| 1542 | ui_out_field_int (uiout, "total-sent", total_sent); |
| 1543 | ui_out_field_int (uiout, "total-size", grand_total); |
| 1544 | do_cleanups (cleanup_tuple); |
| 1545 | mi_out_put (uiout, raw_stdout); |
| 1546 | fputs_unfiltered ("\n", raw_stdout); |
| 1547 | gdb_flush (raw_stdout); |
| 1548 | } |
| 1549 | |
| 1550 | xfree (uiout); |
| 1551 | uiout = saved_uiout; |
| 1552 | } |
| 1553 | |
| 1554 | static void |
| 1555 | timestamp (struct mi_timestamp *tv) |
| 1556 | { |
| 1557 | long usec; |
| 1558 | gettimeofday (&tv->wallclock, NULL); |
| 1559 | #ifdef HAVE_GETRUSAGE |
| 1560 | getrusage (RUSAGE_SELF, &rusage); |
| 1561 | tv->utime.tv_sec = rusage.ru_utime.tv_sec; |
| 1562 | tv->utime.tv_usec = rusage.ru_utime.tv_usec; |
| 1563 | tv->stime.tv_sec = rusage.ru_stime.tv_sec; |
| 1564 | tv->stime.tv_usec = rusage.ru_stime.tv_usec; |
| 1565 | #else |
| 1566 | usec = get_run_time (); |
| 1567 | tv->utime.tv_sec = usec/1000000L; |
| 1568 | tv->utime.tv_usec = usec - 1000000L*tv->utime.tv_sec; |
| 1569 | tv->stime.tv_sec = 0; |
| 1570 | tv->stime.tv_usec = 0; |
| 1571 | #endif |
| 1572 | } |
| 1573 | |
| 1574 | static void |
| 1575 | print_diff_now (struct mi_timestamp *start) |
| 1576 | { |
| 1577 | struct mi_timestamp now; |
| 1578 | timestamp (&now); |
| 1579 | print_diff (start, &now); |
| 1580 | } |
| 1581 | |
| 1582 | void |
| 1583 | mi_print_timing_maybe (void) |
| 1584 | { |
| 1585 | /* If the command is -enable-timing then do_timings may be |
| 1586 | true whilst current_command_ts is not initialized. */ |
| 1587 | if (do_timings && current_command_ts) |
| 1588 | print_diff_now (current_command_ts); |
| 1589 | } |
| 1590 | |
| 1591 | static long |
| 1592 | timeval_diff (struct timeval start, struct timeval end) |
| 1593 | { |
| 1594 | return ((end.tv_sec - start.tv_sec) * 1000000L) |
| 1595 | + (end.tv_usec - start.tv_usec); |
| 1596 | } |
| 1597 | |
| 1598 | static void |
| 1599 | print_diff (struct mi_timestamp *start, struct mi_timestamp *end) |
| 1600 | { |
| 1601 | fprintf_unfiltered |
| 1602 | (raw_stdout, |
| 1603 | ",time={wallclock=\"%0.5f\",user=\"%0.5f\",system=\"%0.5f\"}", |
| 1604 | timeval_diff (start->wallclock, end->wallclock) / 1000000.0, |
| 1605 | timeval_diff (start->utime, end->utime) / 1000000.0, |
| 1606 | timeval_diff (start->stime, end->stime) / 1000000.0); |
| 1607 | } |