| 1 | /* GDB CLI commands. |
| 2 | Copyright 2000 Free Software Foundation, Inc. |
| 3 | |
| 4 | This file is part of GDB. |
| 5 | |
| 6 | This program is free software; you can redistribute it and/or modify |
| 7 | it under the terms of the GNU General Public License as published by |
| 8 | the Free Software Foundation; either version 2 of the License, or |
| 9 | (at your option) any later version. |
| 10 | |
| 11 | This program is distributed in the hope that it will be useful, |
| 12 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 | GNU General Public License for more details. |
| 15 | |
| 16 | You should have received a copy of the GNU General Public License |
| 17 | along with this program; if not, write to the Free Software |
| 18 | Foundation, Inc., 59 Temple Place - Suite 330, |
| 19 | Boston, MA 02111-1307, USA. */ |
| 20 | |
| 21 | #include "defs.h" |
| 22 | #include "completer.h" |
| 23 | #include "target.h" /* For baud_rate, remote_debug and remote_timeout */ |
| 24 | #include "gdb_wait.h" /* For shell escape implementation */ |
| 25 | #include "gnu-regex.h" /* Used by apropos_command */ |
| 26 | |
| 27 | #ifdef UI_OUT |
| 28 | #include "ui-out.h" |
| 29 | #endif |
| 30 | |
| 31 | #include "top.h" |
| 32 | #include "cli/cli-decode.h" |
| 33 | #include "cli/cli-script.h" |
| 34 | #include "cli/cli-setshow.h" |
| 35 | #include "cli/cli-cmds.h" |
| 36 | |
| 37 | #ifndef GDBINIT_FILENAME |
| 38 | #define GDBINIT_FILENAME ".gdbinit" |
| 39 | #endif |
| 40 | |
| 41 | /* FIXME: this should be auto-configured! */ |
| 42 | #ifdef __MSDOS__ |
| 43 | # define CANT_FORK |
| 44 | #endif |
| 45 | |
| 46 | /* From gdb/top.c */ |
| 47 | |
| 48 | extern void dont_repeat (void); |
| 49 | |
| 50 | extern void set_verbose (char *, int, struct cmd_list_element *); |
| 51 | |
| 52 | extern void show_history (char *, int); |
| 53 | |
| 54 | extern void set_history (char *, int); |
| 55 | |
| 56 | extern void show_commands (char *, int); |
| 57 | |
| 58 | /* Prototypes for local functions */ |
| 59 | |
| 60 | static void complete_command (char *, int); |
| 61 | |
| 62 | static void echo_command (char *, int); |
| 63 | |
| 64 | static void pwd_command (char *, int); |
| 65 | |
| 66 | static void show_version (char *, int); |
| 67 | |
| 68 | static void validate_comname (char *); |
| 69 | |
| 70 | static void help_command (char *, int); |
| 71 | |
| 72 | static void show_command (char *, int); |
| 73 | |
| 74 | static void info_command (char *, int); |
| 75 | |
| 76 | static void show_debug (char *, int); |
| 77 | |
| 78 | static void set_debug (char *, int); |
| 79 | |
| 80 | static void show_user (char *, int); |
| 81 | |
| 82 | static void make_command (char *, int); |
| 83 | |
| 84 | static void shell_escape (char *, int); |
| 85 | |
| 86 | void apropos_command (char *, int); |
| 87 | \f |
| 88 | /* Define all cmd_list_elements. */ |
| 89 | |
| 90 | /* Chain containing all defined commands. */ |
| 91 | |
| 92 | struct cmd_list_element *cmdlist; |
| 93 | |
| 94 | /* Chain containing all defined info subcommands. */ |
| 95 | |
| 96 | struct cmd_list_element *infolist; |
| 97 | |
| 98 | /* Chain containing all defined enable subcommands. */ |
| 99 | |
| 100 | struct cmd_list_element *enablelist; |
| 101 | |
| 102 | /* Chain containing all defined disable subcommands. */ |
| 103 | |
| 104 | struct cmd_list_element *disablelist; |
| 105 | |
| 106 | /* Chain containing all defined toggle subcommands. */ |
| 107 | |
| 108 | struct cmd_list_element *togglelist; |
| 109 | |
| 110 | /* Chain containing all defined stop subcommands. */ |
| 111 | |
| 112 | struct cmd_list_element *stoplist; |
| 113 | |
| 114 | /* Chain containing all defined delete subcommands. */ |
| 115 | |
| 116 | struct cmd_list_element *deletelist; |
| 117 | |
| 118 | /* Chain containing all defined "enable breakpoint" subcommands. */ |
| 119 | |
| 120 | struct cmd_list_element *enablebreaklist; |
| 121 | |
| 122 | /* Chain containing all defined set subcommands */ |
| 123 | |
| 124 | struct cmd_list_element *setlist; |
| 125 | |
| 126 | /* Chain containing all defined unset subcommands */ |
| 127 | |
| 128 | struct cmd_list_element *unsetlist; |
| 129 | |
| 130 | /* Chain containing all defined show subcommands. */ |
| 131 | |
| 132 | struct cmd_list_element *showlist; |
| 133 | |
| 134 | /* Chain containing all defined \"set history\". */ |
| 135 | |
| 136 | struct cmd_list_element *sethistlist; |
| 137 | |
| 138 | /* Chain containing all defined \"show history\". */ |
| 139 | |
| 140 | struct cmd_list_element *showhistlist; |
| 141 | |
| 142 | /* Chain containing all defined \"unset history\". */ |
| 143 | |
| 144 | struct cmd_list_element *unsethistlist; |
| 145 | |
| 146 | /* Chain containing all defined maintenance subcommands. */ |
| 147 | |
| 148 | struct cmd_list_element *maintenancelist; |
| 149 | |
| 150 | /* Chain containing all defined "maintenance info" subcommands. */ |
| 151 | |
| 152 | struct cmd_list_element *maintenanceinfolist; |
| 153 | |
| 154 | /* Chain containing all defined "maintenance print" subcommands. */ |
| 155 | |
| 156 | struct cmd_list_element *maintenanceprintlist; |
| 157 | |
| 158 | struct cmd_list_element *setprintlist; |
| 159 | |
| 160 | struct cmd_list_element *showprintlist; |
| 161 | |
| 162 | struct cmd_list_element *setdebuglist; |
| 163 | |
| 164 | struct cmd_list_element *showdebuglist; |
| 165 | |
| 166 | struct cmd_list_element *setchecklist; |
| 167 | |
| 168 | struct cmd_list_element *showchecklist; |
| 169 | \f |
| 170 | /* Utility used everywhere when at least one argument is needed and |
| 171 | none is supplied. */ |
| 172 | |
| 173 | void |
| 174 | error_no_arg (char *why) |
| 175 | { |
| 176 | error ("Argument required (%s).", why); |
| 177 | } |
| 178 | |
| 179 | /* The "info" command is defined as a prefix, with allow_unknown = 0. |
| 180 | Therefore, its own definition is called only for "info" with no args. */ |
| 181 | |
| 182 | /* ARGSUSED */ |
| 183 | static void |
| 184 | info_command (char *arg, int from_tty) |
| 185 | { |
| 186 | printf_unfiltered ("\"info\" must be followed by the name of an info command.\n"); |
| 187 | help_list (infolist, "info ", -1, gdb_stdout); |
| 188 | } |
| 189 | |
| 190 | /* The "show" command with no arguments shows all the settings. */ |
| 191 | |
| 192 | /* ARGSUSED */ |
| 193 | static void |
| 194 | show_command (char *arg, int from_tty) |
| 195 | { |
| 196 | cmd_show_list (showlist, from_tty, ""); |
| 197 | } |
| 198 | \f |
| 199 | /* Provide documentation on command or list given by COMMAND. FROM_TTY |
| 200 | is ignored. */ |
| 201 | |
| 202 | /* ARGSUSED */ |
| 203 | static void |
| 204 | help_command (char *command, int from_tty) |
| 205 | { |
| 206 | help_cmd (command, gdb_stdout); |
| 207 | } |
| 208 | \f |
| 209 | /* The "complete" command is used by Emacs to implement completion. */ |
| 210 | |
| 211 | /* ARGSUSED */ |
| 212 | static void |
| 213 | complete_command (char *arg, int from_tty) |
| 214 | { |
| 215 | int i; |
| 216 | int argpoint; |
| 217 | char *completion; |
| 218 | |
| 219 | dont_repeat (); |
| 220 | |
| 221 | if (arg == NULL) |
| 222 | arg = ""; |
| 223 | argpoint = strlen (arg); |
| 224 | |
| 225 | for (completion = line_completion_function (arg, i = 0, arg, argpoint); |
| 226 | completion; |
| 227 | completion = line_completion_function (arg, ++i, arg, argpoint)) |
| 228 | { |
| 229 | printf_unfiltered ("%s\n", completion); |
| 230 | xfree (completion); |
| 231 | } |
| 232 | } |
| 233 | |
| 234 | int is_complete_command (void (*func) (char *args, int from_tty)) |
| 235 | { |
| 236 | return func == complete_command; |
| 237 | } |
| 238 | |
| 239 | /* ARGSUSED */ |
| 240 | static void |
| 241 | show_version (char *args, int from_tty) |
| 242 | { |
| 243 | immediate_quit++; |
| 244 | print_gdb_version (gdb_stdout); |
| 245 | printf_filtered ("\n"); |
| 246 | immediate_quit--; |
| 247 | } |
| 248 | |
| 249 | /* Handle the quit command. */ |
| 250 | |
| 251 | void |
| 252 | quit_command (char *args, int from_tty) |
| 253 | { |
| 254 | if (!quit_confirm ()) |
| 255 | error ("Not confirmed."); |
| 256 | quit_force (args, from_tty); |
| 257 | } |
| 258 | |
| 259 | /* ARGSUSED */ |
| 260 | static void |
| 261 | pwd_command (char *args, int from_tty) |
| 262 | { |
| 263 | if (args) |
| 264 | error ("The \"pwd\" command does not take an argument: %s", args); |
| 265 | getcwd (gdb_dirbuf, sizeof (gdb_dirbuf)); |
| 266 | |
| 267 | if (!STREQ (gdb_dirbuf, current_directory)) |
| 268 | printf_unfiltered ("Working directory %s\n (canonically %s).\n", |
| 269 | current_directory, gdb_dirbuf); |
| 270 | else |
| 271 | printf_unfiltered ("Working directory %s.\n", current_directory); |
| 272 | } |
| 273 | |
| 274 | void |
| 275 | cd_command (char *dir, int from_tty) |
| 276 | { |
| 277 | int len; |
| 278 | /* Found something other than leading repetitions of "/..". */ |
| 279 | int found_real_path; |
| 280 | char *p; |
| 281 | |
| 282 | /* If the new directory is absolute, repeat is a no-op; if relative, |
| 283 | repeat might be useful but is more likely to be a mistake. */ |
| 284 | dont_repeat (); |
| 285 | |
| 286 | if (dir == 0) |
| 287 | error_no_arg ("new working directory"); |
| 288 | |
| 289 | dir = tilde_expand (dir); |
| 290 | make_cleanup (xfree, dir); |
| 291 | |
| 292 | if (chdir (dir) < 0) |
| 293 | perror_with_name (dir); |
| 294 | |
| 295 | #if defined(_WIN32) || defined(__MSDOS__) |
| 296 | /* There's too much mess with DOSish names like "d:", "d:.", |
| 297 | "d:./foo" etc. Instead of having lots of special #ifdef'ed code, |
| 298 | simply get the canonicalized name of the current directory. */ |
| 299 | dir = getcwd (gdb_dirbuf, sizeof (gdb_dirbuf)); |
| 300 | #endif |
| 301 | |
| 302 | len = strlen (dir); |
| 303 | if (SLASH_P (dir[len - 1])) |
| 304 | { |
| 305 | /* Remove the trailing slash unless this is a root directory |
| 306 | (including a drive letter on non-Unix systems). */ |
| 307 | if (!(len == 1) /* "/" */ |
| 308 | #if defined(_WIN32) || defined(__MSDOS__) |
| 309 | && !(!SLASH_P (*dir) && ROOTED_P (dir) && len <= 3) /* "d:/" */ |
| 310 | #endif |
| 311 | ) |
| 312 | len--; |
| 313 | } |
| 314 | |
| 315 | dir = savestring (dir, len); |
| 316 | if (ROOTED_P (dir)) |
| 317 | current_directory = dir; |
| 318 | else |
| 319 | { |
| 320 | if (SLASH_P (current_directory[strlen (current_directory) - 1])) |
| 321 | current_directory = concat (current_directory, dir, NULL); |
| 322 | else |
| 323 | current_directory = concat (current_directory, SLASH_STRING, dir, NULL); |
| 324 | xfree (dir); |
| 325 | } |
| 326 | |
| 327 | /* Now simplify any occurrences of `.' and `..' in the pathname. */ |
| 328 | |
| 329 | found_real_path = 0; |
| 330 | for (p = current_directory; *p;) |
| 331 | { |
| 332 | if (SLASH_P (p[0]) && p[1] == '.' && (p[2] == 0 || SLASH_P (p[2]))) |
| 333 | strcpy (p, p + 2); |
| 334 | else if (SLASH_P (p[0]) && p[1] == '.' && p[2] == '.' |
| 335 | && (p[3] == 0 || SLASH_P (p[3]))) |
| 336 | { |
| 337 | if (found_real_path) |
| 338 | { |
| 339 | /* Search backwards for the directory just before the "/.." |
| 340 | and obliterate it and the "/..". */ |
| 341 | char *q = p; |
| 342 | while (q != current_directory && !SLASH_P (q[-1])) |
| 343 | --q; |
| 344 | |
| 345 | if (q == current_directory) |
| 346 | /* current_directory is |
| 347 | a relative pathname ("can't happen"--leave it alone). */ |
| 348 | ++p; |
| 349 | else |
| 350 | { |
| 351 | strcpy (q - 1, p + 3); |
| 352 | p = q - 1; |
| 353 | } |
| 354 | } |
| 355 | else |
| 356 | /* We are dealing with leading repetitions of "/..", for example |
| 357 | "/../..", which is the Mach super-root. */ |
| 358 | p += 3; |
| 359 | } |
| 360 | else |
| 361 | { |
| 362 | found_real_path = 1; |
| 363 | ++p; |
| 364 | } |
| 365 | } |
| 366 | |
| 367 | forget_cached_source_info (); |
| 368 | |
| 369 | if (from_tty) |
| 370 | pwd_command ((char *) 0, 1); |
| 371 | } |
| 372 | \f |
| 373 | void |
| 374 | source_command (char *args, int from_tty) |
| 375 | { |
| 376 | FILE *stream; |
| 377 | struct cleanup *old_cleanups; |
| 378 | char *file = args; |
| 379 | |
| 380 | if (file == NULL) |
| 381 | { |
| 382 | error ("source command requires pathname of file to source."); |
| 383 | } |
| 384 | |
| 385 | file = tilde_expand (file); |
| 386 | old_cleanups = make_cleanup (xfree, file); |
| 387 | |
| 388 | stream = fopen (file, FOPEN_RT); |
| 389 | if (!stream) |
| 390 | { |
| 391 | if (from_tty) |
| 392 | perror_with_name (file); |
| 393 | else |
| 394 | return; |
| 395 | } |
| 396 | |
| 397 | script_from_file (stream, file); |
| 398 | |
| 399 | do_cleanups (old_cleanups); |
| 400 | } |
| 401 | |
| 402 | /* ARGSUSED */ |
| 403 | static void |
| 404 | echo_command (char *text, int from_tty) |
| 405 | { |
| 406 | char *p = text; |
| 407 | register int c; |
| 408 | |
| 409 | if (text) |
| 410 | while ((c = *p++) != '\0') |
| 411 | { |
| 412 | if (c == '\\') |
| 413 | { |
| 414 | /* \ at end of argument is used after spaces |
| 415 | so they won't be lost. */ |
| 416 | if (*p == 0) |
| 417 | return; |
| 418 | |
| 419 | c = parse_escape (&p); |
| 420 | if (c >= 0) |
| 421 | printf_filtered ("%c", c); |
| 422 | } |
| 423 | else |
| 424 | printf_filtered ("%c", c); |
| 425 | } |
| 426 | |
| 427 | /* Force this output to appear now. */ |
| 428 | wrap_here (""); |
| 429 | gdb_flush (gdb_stdout); |
| 430 | } |
| 431 | |
| 432 | /* ARGSUSED */ |
| 433 | static void |
| 434 | shell_escape (char *arg, int from_tty) |
| 435 | { |
| 436 | #ifdef CANT_FORK |
| 437 | /* If ARG is NULL, they want an inferior shell, but `system' just |
| 438 | reports if the shell is available when passed a NULL arg. */ |
| 439 | int rc = system (arg ? arg : ""); |
| 440 | |
| 441 | if (!arg) |
| 442 | arg = "inferior shell"; |
| 443 | |
| 444 | if (rc == -1) |
| 445 | { |
| 446 | fprintf_unfiltered (gdb_stderr, "Cannot execute %s: %s\n", arg, |
| 447 | safe_strerror (errno)); |
| 448 | gdb_flush (gdb_stderr); |
| 449 | } |
| 450 | else if (rc) |
| 451 | { |
| 452 | fprintf_unfiltered (gdb_stderr, "%s exited with status %d\n", arg, rc); |
| 453 | gdb_flush (gdb_stderr); |
| 454 | } |
| 455 | #ifdef __DJGPP__ |
| 456 | /* Make sure to return to the directory GDB thinks it is, in case the |
| 457 | shell command we just ran changed it. */ |
| 458 | chdir (current_directory); |
| 459 | #endif |
| 460 | #else /* Can fork. */ |
| 461 | int rc, status, pid; |
| 462 | char *p, *user_shell; |
| 463 | |
| 464 | if ((user_shell = (char *) getenv ("SHELL")) == NULL) |
| 465 | user_shell = "/bin/sh"; |
| 466 | |
| 467 | /* Get the name of the shell for arg0 */ |
| 468 | if ((p = strrchr (user_shell, '/')) == NULL) |
| 469 | p = user_shell; |
| 470 | else |
| 471 | p++; /* Get past '/' */ |
| 472 | |
| 473 | if ((pid = fork ()) == 0) |
| 474 | { |
| 475 | if (!arg) |
| 476 | execl (user_shell, p, 0); |
| 477 | else |
| 478 | execl (user_shell, p, "-c", arg, 0); |
| 479 | |
| 480 | fprintf_unfiltered (gdb_stderr, "Cannot execute %s: %s\n", user_shell, |
| 481 | safe_strerror (errno)); |
| 482 | gdb_flush (gdb_stderr); |
| 483 | _exit (0177); |
| 484 | } |
| 485 | |
| 486 | if (pid != -1) |
| 487 | while ((rc = wait (&status)) != pid && rc != -1) |
| 488 | ; |
| 489 | else |
| 490 | error ("Fork failed"); |
| 491 | #endif /* Can fork. */ |
| 492 | } |
| 493 | |
| 494 | static void |
| 495 | make_command (char *arg, int from_tty) |
| 496 | { |
| 497 | char *p; |
| 498 | |
| 499 | if (arg == 0) |
| 500 | p = "make"; |
| 501 | else |
| 502 | { |
| 503 | p = xmalloc (sizeof ("make ") + strlen (arg)); |
| 504 | strcpy (p, "make "); |
| 505 | strcpy (p + sizeof ("make ") - 1, arg); |
| 506 | } |
| 507 | |
| 508 | shell_escape (p, from_tty); |
| 509 | } |
| 510 | |
| 511 | /* ARGSUSED */ |
| 512 | static void |
| 513 | show_user (char *args, int from_tty) |
| 514 | { |
| 515 | struct cmd_list_element *c; |
| 516 | extern struct cmd_list_element *cmdlist; |
| 517 | |
| 518 | if (args) |
| 519 | { |
| 520 | c = lookup_cmd (&args, cmdlist, "", 0, 1); |
| 521 | if (c->class != class_user) |
| 522 | error ("Not a user command."); |
| 523 | show_user_1 (c, gdb_stdout); |
| 524 | } |
| 525 | else |
| 526 | { |
| 527 | for (c = cmdlist; c; c = c->next) |
| 528 | { |
| 529 | if (c->class == class_user) |
| 530 | show_user_1 (c, gdb_stdout); |
| 531 | } |
| 532 | } |
| 533 | } |
| 534 | |
| 535 | /* Search through names of commands and documentations for a certain |
| 536 | regular expression. |
| 537 | */ |
| 538 | void |
| 539 | apropos_command (char *searchstr, int from_tty) |
| 540 | { |
| 541 | extern struct cmd_list_element *cmdlist; /*This is the main command list*/ |
| 542 | regex_t pattern; |
| 543 | char *pattern_fastmap; |
| 544 | char errorbuffer[512]; |
| 545 | pattern_fastmap=calloc(256,sizeof(char)); |
| 546 | if (searchstr == NULL) |
| 547 | error("REGEXP string is empty"); |
| 548 | |
| 549 | if (regcomp(&pattern,searchstr,REG_ICASE) == 0) |
| 550 | { |
| 551 | pattern.fastmap=pattern_fastmap; |
| 552 | re_compile_fastmap(&pattern); |
| 553 | apropos_cmd (gdb_stdout,cmdlist,&pattern,""); |
| 554 | } |
| 555 | else |
| 556 | { |
| 557 | regerror(regcomp(&pattern,searchstr,REG_ICASE),NULL,errorbuffer,512); |
| 558 | error("Error in regular expression:%s",errorbuffer); |
| 559 | } |
| 560 | free(pattern_fastmap); |
| 561 | } |
| 562 | \f |
| 563 | static void |
| 564 | set_debug (char *arg, int from_tty) |
| 565 | { |
| 566 | printf_unfiltered ("\"set debug\" must be followed by the name of a print subcommand.\n"); |
| 567 | help_list (setdebuglist, "set debug ", -1, gdb_stdout); |
| 568 | } |
| 569 | |
| 570 | static void |
| 571 | show_debug (char *args, int from_tty) |
| 572 | { |
| 573 | cmd_show_list (showdebuglist, from_tty, ""); |
| 574 | } |
| 575 | |
| 576 | void |
| 577 | init_cmd_lists (void) |
| 578 | { |
| 579 | cmdlist = NULL; |
| 580 | infolist = NULL; |
| 581 | enablelist = NULL; |
| 582 | disablelist = NULL; |
| 583 | togglelist = NULL; |
| 584 | stoplist = NULL; |
| 585 | deletelist = NULL; |
| 586 | enablebreaklist = NULL; |
| 587 | setlist = NULL; |
| 588 | unsetlist = NULL; |
| 589 | showlist = NULL; |
| 590 | sethistlist = NULL; |
| 591 | showhistlist = NULL; |
| 592 | unsethistlist = NULL; |
| 593 | maintenancelist = NULL; |
| 594 | maintenanceinfolist = NULL; |
| 595 | maintenanceprintlist = NULL; |
| 596 | setprintlist = NULL; |
| 597 | showprintlist = NULL; |
| 598 | setchecklist = NULL; |
| 599 | showchecklist = NULL; |
| 600 | } |
| 601 | |
| 602 | \f |
| 603 | void |
| 604 | init_cli_cmds (void) |
| 605 | { |
| 606 | struct cmd_list_element *c; |
| 607 | |
| 608 | /* Define the classes of commands. |
| 609 | They will appear in the help list in the reverse of this order. */ |
| 610 | |
| 611 | add_cmd ("internals", class_maintenance, NO_FUNCTION, |
| 612 | "Maintenance commands.\n\ |
| 613 | Some gdb commands are provided just for use by gdb maintainers.\n\ |
| 614 | These commands are subject to frequent change, and may not be as\n\ |
| 615 | well documented as user commands.", |
| 616 | &cmdlist); |
| 617 | add_cmd ("obscure", class_obscure, NO_FUNCTION, "Obscure features.", &cmdlist); |
| 618 | add_cmd ("aliases", class_alias, NO_FUNCTION, "Aliases of other commands.", &cmdlist); |
| 619 | add_cmd ("user-defined", class_user, NO_FUNCTION, "User-defined commands.\n\ |
| 620 | The commands in this class are those defined by the user.\n\ |
| 621 | Use the \"define\" command to define a command.", &cmdlist); |
| 622 | add_cmd ("support", class_support, NO_FUNCTION, "Support facilities.", &cmdlist); |
| 623 | if (!dbx_commands) |
| 624 | add_cmd ("status", class_info, NO_FUNCTION, "Status inquiries.", &cmdlist); |
| 625 | add_cmd ("files", class_files, NO_FUNCTION, "Specifying and examining files.", &cmdlist); |
| 626 | add_cmd ("breakpoints", class_breakpoint, NO_FUNCTION, "Making program stop at certain points.", &cmdlist); |
| 627 | add_cmd ("data", class_vars, NO_FUNCTION, "Examining data.", &cmdlist); |
| 628 | add_cmd ("stack", class_stack, NO_FUNCTION, "Examining the stack.\n\ |
| 629 | The stack is made up of stack frames. Gdb assigns numbers to stack frames\n\ |
| 630 | counting from zero for the innermost (currently executing) frame.\n\n\ |
| 631 | At any time gdb identifies one frame as the \"selected\" frame.\n\ |
| 632 | Variable lookups are done with respect to the selected frame.\n\ |
| 633 | When the program being debugged stops, gdb selects the innermost frame.\n\ |
| 634 | The commands below can be used to select other frames by number or address.", |
| 635 | &cmdlist); |
| 636 | add_cmd ("running", class_run, NO_FUNCTION, "Running the program.", &cmdlist); |
| 637 | |
| 638 | /* Define general commands. */ |
| 639 | |
| 640 | add_com ("pwd", class_files, pwd_command, |
| 641 | "Print working directory. This is used for your program as well."); |
| 642 | c = add_cmd ("cd", class_files, cd_command, |
| 643 | "Set working directory to DIR for debugger and program being debugged.\n\ |
| 644 | The change does not take effect for the program being debugged\n\ |
| 645 | until the next time it is started.", &cmdlist); |
| 646 | c->completer = filename_completer; |
| 647 | |
| 648 | add_com ("echo", class_support, echo_command, |
| 649 | "Print a constant string. Give string as argument.\n\ |
| 650 | C escape sequences may be used in the argument.\n\ |
| 651 | No newline is added at the end of the argument;\n\ |
| 652 | use \"\\n\" if you want a newline to be printed.\n\ |
| 653 | Since leading and trailing whitespace are ignored in command arguments,\n\ |
| 654 | if you want to print some you must use \"\\\" before leading whitespace\n\ |
| 655 | to be printed or after trailing whitespace."); |
| 656 | add_com ("document", class_support, document_command, |
| 657 | "Document a user-defined command.\n\ |
| 658 | Give command name as argument. Give documentation on following lines.\n\ |
| 659 | End with a line of just \"end\"."); |
| 660 | add_com ("define", class_support, define_command, |
| 661 | "Define a new command name. Command name is argument.\n\ |
| 662 | Definition appears on following lines, one command per line.\n\ |
| 663 | End with a line of just \"end\".\n\ |
| 664 | Use the \"document\" command to give documentation for the new command.\n\ |
| 665 | Commands defined in this way may have up to ten arguments."); |
| 666 | |
| 667 | #ifdef __STDC__ |
| 668 | c = add_cmd ("source", class_support, source_command, |
| 669 | "Read commands from a file named FILE.\n\ |
| 670 | Note that the file \"" GDBINIT_FILENAME "\" is read automatically in this way\n\ |
| 671 | when gdb is started.", &cmdlist); |
| 672 | #else |
| 673 | /* Punt file name, we can't help it easily. */ |
| 674 | c = add_cmd ("source", class_support, source_command, |
| 675 | "Read commands from a file named FILE.\n\ |
| 676 | Note that the file \".gdbinit\" is read automatically in this way\n\ |
| 677 | when gdb is started.", &cmdlist); |
| 678 | #endif |
| 679 | c->completer = filename_completer; |
| 680 | |
| 681 | add_com ("quit", class_support, quit_command, "Exit gdb."); |
| 682 | add_com ("help", class_support, help_command, "Print list of commands."); |
| 683 | add_com_alias ("q", "quit", class_support, 1); |
| 684 | add_com_alias ("h", "help", class_support, 1); |
| 685 | |
| 686 | c = add_set_cmd ("verbose", class_support, var_boolean, (char *) &info_verbose, |
| 687 | "Set ", |
| 688 | &setlist), |
| 689 | add_show_from_set (c, &showlist); |
| 690 | c->function.sfunc = set_verbose; |
| 691 | set_verbose (NULL, 0, c); |
| 692 | |
| 693 | add_prefix_cmd ("history", class_support, set_history, |
| 694 | "Generic command for setting command history parameters.", |
| 695 | &sethistlist, "set history ", 0, &setlist); |
| 696 | add_prefix_cmd ("history", class_support, show_history, |
| 697 | "Generic command for showing command history parameters.", |
| 698 | &showhistlist, "show history ", 0, &showlist); |
| 699 | |
| 700 | add_show_from_set |
| 701 | (add_set_cmd ("expansion", no_class, var_boolean, (char *) &history_expansion_p, |
| 702 | "Set history expansion on command input.\n\ |
| 703 | Without an argument, history expansion is enabled.", &sethistlist), |
| 704 | &showhistlist); |
| 705 | |
| 706 | add_prefix_cmd ("info", class_info, info_command, |
| 707 | "Generic command for showing things about the program being debugged.", |
| 708 | &infolist, "info ", 0, &cmdlist); |
| 709 | add_com_alias ("i", "info", class_info, 1); |
| 710 | |
| 711 | add_com ("complete", class_obscure, complete_command, |
| 712 | "List the completions for the rest of the line as a command."); |
| 713 | |
| 714 | add_prefix_cmd ("show", class_info, show_command, |
| 715 | "Generic command for showing things about the debugger.", |
| 716 | &showlist, "show ", 0, &cmdlist); |
| 717 | /* Another way to get at the same thing. */ |
| 718 | add_info ("set", show_command, "Show all GDB settings."); |
| 719 | |
| 720 | add_cmd ("commands", no_class, show_commands, |
| 721 | "Show the history of commands you typed.\n\ |
| 722 | You can supply a command number to start with, or a `+' to start after\n\ |
| 723 | the previous command number shown.", |
| 724 | &showlist); |
| 725 | |
| 726 | add_cmd ("version", no_class, show_version, |
| 727 | "Show what version of GDB this is.", &showlist); |
| 728 | |
| 729 | add_com ("while", class_support, while_command, |
| 730 | "Execute nested commands WHILE the conditional expression is non zero.\n\ |
| 731 | The conditional expression must follow the word `while' and must in turn be\n\ |
| 732 | followed by a new line. The nested commands must be entered one per line,\n\ |
| 733 | and should be terminated by the word `end'."); |
| 734 | |
| 735 | add_com ("if", class_support, if_command, |
| 736 | "Execute nested commands once IF the conditional expression is non zero.\n\ |
| 737 | The conditional expression must follow the word `if' and must in turn be\n\ |
| 738 | followed by a new line. The nested commands must be entered one per line,\n\ |
| 739 | and should be terminated by the word 'else' or `end'. If an else clause\n\ |
| 740 | is used, the same rules apply to its nested commands as to the first ones."); |
| 741 | |
| 742 | /* If target is open when baud changes, it doesn't take effect until the |
| 743 | next open (I think, not sure). */ |
| 744 | add_show_from_set (add_set_cmd ("remotebaud", no_class, |
| 745 | var_zinteger, (char *) &baud_rate, |
| 746 | "Set baud rate for remote serial I/O.\n\ |
| 747 | This value is used to set the speed of the serial port when debugging\n\ |
| 748 | using remote targets.", &setlist), |
| 749 | &showlist); |
| 750 | |
| 751 | c = add_set_cmd ("remotedebug", no_class, var_zinteger, |
| 752 | (char *) &remote_debug, |
| 753 | "Set debugging of remote protocol.\n\ |
| 754 | When enabled, each packet sent or received with the remote target\n\ |
| 755 | is displayed.", &setlist); |
| 756 | deprecate_cmd (c, "set debug remote"); |
| 757 | deprecate_cmd (add_show_from_set (c, &showlist), "show debug remote"); |
| 758 | |
| 759 | add_show_from_set (add_set_cmd ("remote", no_class, var_zinteger, |
| 760 | (char *) &remote_debug, |
| 761 | "Set debugging of remote protocol.\n\ |
| 762 | When enabled, each packet sent or received with the remote target\n\ |
| 763 | is displayed.", &setdebuglist), |
| 764 | &showdebuglist); |
| 765 | |
| 766 | add_show_from_set ( |
| 767 | add_set_cmd ("remotetimeout", no_class, var_integer, (char *) &remote_timeout, |
| 768 | "Set timeout limit to wait for target to respond.\n\ |
| 769 | This value is used to set the time limit for gdb to wait for a response\n\ |
| 770 | from the target.", &setlist), |
| 771 | &showlist); |
| 772 | |
| 773 | add_prefix_cmd ("debug", no_class, set_debug, |
| 774 | "Generic command for setting gdb debugging flags", |
| 775 | &setdebuglist, "set debug ", 0, &setlist); |
| 776 | |
| 777 | add_prefix_cmd ("debug", no_class, show_debug, |
| 778 | "Generic command for showing gdb debugging flags", |
| 779 | &showdebuglist, "show debug ", 0, &showlist); |
| 780 | |
| 781 | add_com ("shell", class_support, shell_escape, |
| 782 | "Execute the rest of the line as a shell command. \n\ |
| 783 | With no arguments, run an inferior shell."); |
| 784 | |
| 785 | /* NOTE: cagney/2000-03-20: Being able to enter ``(gdb) !ls'' would |
| 786 | be a really useful feature. Unfortunately, the below wont do |
| 787 | this. Instead it adds support for the form ``(gdb) ! ls'' |
| 788 | (i.e. the space is required). If the ``!'' command below is |
| 789 | added the complains about no ``!'' command would be replaced by |
| 790 | complains about how the ``!'' command is broken :-) */ |
| 791 | if (xdb_commands) |
| 792 | add_com_alias ("!", "shell", class_support, 0); |
| 793 | |
| 794 | add_com ("make", class_support, make_command, |
| 795 | "Run the ``make'' program using the rest of the line as arguments."); |
| 796 | add_cmd ("user", no_class, show_user, |
| 797 | "Show definitions of user defined commands.\n\ |
| 798 | Argument is the name of the user defined command.\n\ |
| 799 | With no argument, show definitions of all user defined commands.", &showlist); |
| 800 | add_com ("apropos", class_support, apropos_command, "Search for commands matching a REGEXP"); |
| 801 | } |