| 1 | /* GDB CLI commands. |
| 2 | |
| 3 | Copyright 2000, 2001, 2002, 2003 Free Software Foundation, Inc. |
| 4 | |
| 5 | This file is part of GDB. |
| 6 | |
| 7 | This program is free software; you can redistribute it and/or modify |
| 8 | it under the terms of the GNU General Public License as published by |
| 9 | the Free Software Foundation; either version 2 of the License, or |
| 10 | (at your option) any later version. |
| 11 | |
| 12 | This program is distributed in the hope that it will be useful, |
| 13 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 15 | GNU General Public License for more details. |
| 16 | |
| 17 | You should have received a copy of the GNU General Public License |
| 18 | along with this program; if not, write to the Free Software |
| 19 | Foundation, Inc., 59 Temple Place - Suite 330, |
| 20 | Boston, MA 02111-1307, USA. */ |
| 21 | |
| 22 | #include "defs.h" |
| 23 | #include <readline/tilde.h> |
| 24 | #include "completer.h" |
| 25 | #include "target.h" /* For baud_rate, remote_debug and remote_timeout */ |
| 26 | #include "gdb_wait.h" /* For shell escape implementation */ |
| 27 | #include "gdb_regex.h" /* Used by apropos_command */ |
| 28 | #include "gdb_string.h" |
| 29 | #include "linespec.h" |
| 30 | #include "expression.h" |
| 31 | #include "frame.h" |
| 32 | #include "value.h" |
| 33 | #include "language.h" |
| 34 | #include "filenames.h" /* for DOSish file names */ |
| 35 | #include "objfiles.h" |
| 36 | #include "source.h" |
| 37 | #include "disasm.h" |
| 38 | |
| 39 | #include "ui-out.h" |
| 40 | |
| 41 | #include "top.h" |
| 42 | #include "cli/cli-decode.h" |
| 43 | #include "cli/cli-script.h" |
| 44 | #include "cli/cli-setshow.h" |
| 45 | #include "cli/cli-cmds.h" |
| 46 | |
| 47 | #ifndef GDBINIT_FILENAME |
| 48 | #define GDBINIT_FILENAME ".gdbinit" |
| 49 | #endif |
| 50 | |
| 51 | /* Prototypes for local command functions */ |
| 52 | |
| 53 | static void complete_command (char *, int); |
| 54 | |
| 55 | static void echo_command (char *, int); |
| 56 | |
| 57 | static void pwd_command (char *, int); |
| 58 | |
| 59 | static void show_version (char *, int); |
| 60 | |
| 61 | static void validate_comname (char *); |
| 62 | |
| 63 | static void help_command (char *, int); |
| 64 | |
| 65 | static void show_command (char *, int); |
| 66 | |
| 67 | static void info_command (char *, int); |
| 68 | |
| 69 | static void show_debug (char *, int); |
| 70 | |
| 71 | static void set_debug (char *, int); |
| 72 | |
| 73 | static void show_user (char *, int); |
| 74 | |
| 75 | static void make_command (char *, int); |
| 76 | |
| 77 | static void shell_escape (char *, int); |
| 78 | |
| 79 | static void edit_command (char *, int); |
| 80 | |
| 81 | static void list_command (char *, int); |
| 82 | |
| 83 | void apropos_command (char *, int); |
| 84 | |
| 85 | /* Prototypes for local utility functions */ |
| 86 | |
| 87 | static void ambiguous_line_spec (struct symtabs_and_lines *); |
| 88 | \f |
| 89 | /* Limit the call depth of user-defined commands */ |
| 90 | int max_user_call_depth; |
| 91 | |
| 92 | /* Define all cmd_list_elements. */ |
| 93 | |
| 94 | /* Chain containing all defined commands. */ |
| 95 | |
| 96 | struct cmd_list_element *cmdlist; |
| 97 | |
| 98 | /* Chain containing all defined info subcommands. */ |
| 99 | |
| 100 | struct cmd_list_element *infolist; |
| 101 | |
| 102 | /* Chain containing all defined enable subcommands. */ |
| 103 | |
| 104 | struct cmd_list_element *enablelist; |
| 105 | |
| 106 | /* Chain containing all defined disable subcommands. */ |
| 107 | |
| 108 | struct cmd_list_element *disablelist; |
| 109 | |
| 110 | /* Chain containing all defined toggle subcommands. */ |
| 111 | |
| 112 | struct cmd_list_element *togglelist; |
| 113 | |
| 114 | /* Chain containing all defined stop subcommands. */ |
| 115 | |
| 116 | struct cmd_list_element *stoplist; |
| 117 | |
| 118 | /* Chain containing all defined delete subcommands. */ |
| 119 | |
| 120 | struct cmd_list_element *deletelist; |
| 121 | |
| 122 | /* Chain containing all defined "enable breakpoint" subcommands. */ |
| 123 | |
| 124 | struct cmd_list_element *enablebreaklist; |
| 125 | |
| 126 | /* Chain containing all defined set subcommands */ |
| 127 | |
| 128 | struct cmd_list_element *setlist; |
| 129 | |
| 130 | /* Chain containing all defined unset subcommands */ |
| 131 | |
| 132 | struct cmd_list_element *unsetlist; |
| 133 | |
| 134 | /* Chain containing all defined show subcommands. */ |
| 135 | |
| 136 | struct cmd_list_element *showlist; |
| 137 | |
| 138 | /* Chain containing all defined \"set history\". */ |
| 139 | |
| 140 | struct cmd_list_element *sethistlist; |
| 141 | |
| 142 | /* Chain containing all defined \"show history\". */ |
| 143 | |
| 144 | struct cmd_list_element *showhistlist; |
| 145 | |
| 146 | /* Chain containing all defined \"unset history\". */ |
| 147 | |
| 148 | struct cmd_list_element *unsethistlist; |
| 149 | |
| 150 | /* Chain containing all defined maintenance subcommands. */ |
| 151 | |
| 152 | struct cmd_list_element *maintenancelist; |
| 153 | |
| 154 | /* Chain containing all defined "maintenance info" subcommands. */ |
| 155 | |
| 156 | struct cmd_list_element *maintenanceinfolist; |
| 157 | |
| 158 | /* Chain containing all defined "maintenance print" subcommands. */ |
| 159 | |
| 160 | struct cmd_list_element *maintenanceprintlist; |
| 161 | |
| 162 | struct cmd_list_element *setprintlist; |
| 163 | |
| 164 | struct cmd_list_element *showprintlist; |
| 165 | |
| 166 | struct cmd_list_element *setdebuglist; |
| 167 | |
| 168 | struct cmd_list_element *showdebuglist; |
| 169 | |
| 170 | struct cmd_list_element *setchecklist; |
| 171 | |
| 172 | struct cmd_list_element *showchecklist; |
| 173 | \f |
| 174 | /* Utility used everywhere when at least one argument is needed and |
| 175 | none is supplied. */ |
| 176 | |
| 177 | void |
| 178 | error_no_arg (char *why) |
| 179 | { |
| 180 | error ("Argument required (%s).", why); |
| 181 | } |
| 182 | |
| 183 | /* The "info" command is defined as a prefix, with allow_unknown = 0. |
| 184 | Therefore, its own definition is called only for "info" with no args. */ |
| 185 | |
| 186 | /* ARGSUSED */ |
| 187 | static void |
| 188 | info_command (char *arg, int from_tty) |
| 189 | { |
| 190 | printf_unfiltered ("\"info\" must be followed by the name of an info command.\n"); |
| 191 | help_list (infolist, "info ", -1, gdb_stdout); |
| 192 | } |
| 193 | |
| 194 | /* The "show" command with no arguments shows all the settings. */ |
| 195 | |
| 196 | /* ARGSUSED */ |
| 197 | static void |
| 198 | show_command (char *arg, int from_tty) |
| 199 | { |
| 200 | cmd_show_list (showlist, from_tty, ""); |
| 201 | } |
| 202 | \f |
| 203 | /* Provide documentation on command or list given by COMMAND. FROM_TTY |
| 204 | is ignored. */ |
| 205 | |
| 206 | /* ARGSUSED */ |
| 207 | static void |
| 208 | help_command (char *command, int from_tty) |
| 209 | { |
| 210 | help_cmd (command, gdb_stdout); |
| 211 | } |
| 212 | \f |
| 213 | /* String compare function for qsort. */ |
| 214 | static int |
| 215 | compare_strings (const void *arg1, const void *arg2) |
| 216 | { |
| 217 | const char **s1 = (const char **) arg1; |
| 218 | const char **s2 = (const char **) arg2; |
| 219 | return strcmp (*s1, *s2); |
| 220 | } |
| 221 | |
| 222 | /* The "complete" command is used by Emacs to implement completion. */ |
| 223 | |
| 224 | /* ARGSUSED */ |
| 225 | static void |
| 226 | complete_command (char *arg, int from_tty) |
| 227 | { |
| 228 | int i; |
| 229 | int argpoint; |
| 230 | char **completions; |
| 231 | |
| 232 | dont_repeat (); |
| 233 | |
| 234 | if (arg == NULL) |
| 235 | arg = ""; |
| 236 | argpoint = strlen (arg); |
| 237 | |
| 238 | completions = complete_line (arg, arg, argpoint); |
| 239 | |
| 240 | if (completions) |
| 241 | { |
| 242 | int item, size; |
| 243 | |
| 244 | for (size = 0; completions[size]; ++size) |
| 245 | ; |
| 246 | qsort (completions, size, sizeof (char *), compare_strings); |
| 247 | |
| 248 | /* We do extra processing here since we only want to print each |
| 249 | unique item once. */ |
| 250 | item = 0; |
| 251 | while (item < size) |
| 252 | { |
| 253 | int next_item; |
| 254 | printf_unfiltered ("%s\n", completions[item]); |
| 255 | next_item = item + 1; |
| 256 | while (next_item < size |
| 257 | && ! strcmp (completions[item], completions[next_item])) |
| 258 | { |
| 259 | xfree (completions[next_item]); |
| 260 | ++next_item; |
| 261 | } |
| 262 | |
| 263 | xfree (completions[item]); |
| 264 | item = next_item; |
| 265 | } |
| 266 | |
| 267 | xfree (completions); |
| 268 | } |
| 269 | } |
| 270 | |
| 271 | int |
| 272 | is_complete_command (struct cmd_list_element *c) |
| 273 | { |
| 274 | return cmd_cfunc_eq (c, complete_command); |
| 275 | } |
| 276 | |
| 277 | /* ARGSUSED */ |
| 278 | static void |
| 279 | show_version (char *args, int from_tty) |
| 280 | { |
| 281 | immediate_quit++; |
| 282 | print_gdb_version (gdb_stdout); |
| 283 | printf_filtered ("\n"); |
| 284 | immediate_quit--; |
| 285 | } |
| 286 | |
| 287 | /* Handle the quit command. */ |
| 288 | |
| 289 | void |
| 290 | quit_command (char *args, int from_tty) |
| 291 | { |
| 292 | if (!quit_confirm ()) |
| 293 | error ("Not confirmed."); |
| 294 | quit_force (args, from_tty); |
| 295 | } |
| 296 | |
| 297 | /* ARGSUSED */ |
| 298 | static void |
| 299 | pwd_command (char *args, int from_tty) |
| 300 | { |
| 301 | if (args) |
| 302 | error ("The \"pwd\" command does not take an argument: %s", args); |
| 303 | getcwd (gdb_dirbuf, sizeof (gdb_dirbuf)); |
| 304 | |
| 305 | if (!STREQ (gdb_dirbuf, current_directory)) |
| 306 | printf_unfiltered ("Working directory %s\n (canonically %s).\n", |
| 307 | current_directory, gdb_dirbuf); |
| 308 | else |
| 309 | printf_unfiltered ("Working directory %s.\n", current_directory); |
| 310 | } |
| 311 | |
| 312 | void |
| 313 | cd_command (char *dir, int from_tty) |
| 314 | { |
| 315 | int len; |
| 316 | /* Found something other than leading repetitions of "/..". */ |
| 317 | int found_real_path; |
| 318 | char *p; |
| 319 | |
| 320 | /* If the new directory is absolute, repeat is a no-op; if relative, |
| 321 | repeat might be useful but is more likely to be a mistake. */ |
| 322 | dont_repeat (); |
| 323 | |
| 324 | if (dir == 0) |
| 325 | error_no_arg ("new working directory"); |
| 326 | |
| 327 | dir = tilde_expand (dir); |
| 328 | make_cleanup (xfree, dir); |
| 329 | |
| 330 | if (chdir (dir) < 0) |
| 331 | perror_with_name (dir); |
| 332 | |
| 333 | #ifdef HAVE_DOS_BASED_FILE_SYSTEM |
| 334 | /* There's too much mess with DOSish names like "d:", "d:.", |
| 335 | "d:./foo" etc. Instead of having lots of special #ifdef'ed code, |
| 336 | simply get the canonicalized name of the current directory. */ |
| 337 | dir = getcwd (gdb_dirbuf, sizeof (gdb_dirbuf)); |
| 338 | #endif |
| 339 | |
| 340 | len = strlen (dir); |
| 341 | if (IS_DIR_SEPARATOR (dir[len - 1])) |
| 342 | { |
| 343 | /* Remove the trailing slash unless this is a root directory |
| 344 | (including a drive letter on non-Unix systems). */ |
| 345 | if (!(len == 1) /* "/" */ |
| 346 | #ifdef HAVE_DOS_BASED_FILE_SYSTEM |
| 347 | && !(len == 3 && dir[1] == ':') /* "d:/" */ |
| 348 | #endif |
| 349 | ) |
| 350 | len--; |
| 351 | } |
| 352 | |
| 353 | dir = savestring (dir, len); |
| 354 | if (IS_ABSOLUTE_PATH (dir)) |
| 355 | current_directory = dir; |
| 356 | else |
| 357 | { |
| 358 | if (IS_DIR_SEPARATOR (current_directory[strlen (current_directory) - 1])) |
| 359 | current_directory = concat (current_directory, dir, NULL); |
| 360 | else |
| 361 | current_directory = concat (current_directory, SLASH_STRING, dir, NULL); |
| 362 | xfree (dir); |
| 363 | } |
| 364 | |
| 365 | /* Now simplify any occurrences of `.' and `..' in the pathname. */ |
| 366 | |
| 367 | found_real_path = 0; |
| 368 | for (p = current_directory; *p;) |
| 369 | { |
| 370 | if (IS_DIR_SEPARATOR (p[0]) && p[1] == '.' |
| 371 | && (p[2] == 0 || IS_DIR_SEPARATOR (p[2]))) |
| 372 | strcpy (p, p + 2); |
| 373 | else if (IS_DIR_SEPARATOR (p[0]) && p[1] == '.' && p[2] == '.' |
| 374 | && (p[3] == 0 || IS_DIR_SEPARATOR (p[3]))) |
| 375 | { |
| 376 | if (found_real_path) |
| 377 | { |
| 378 | /* Search backwards for the directory just before the "/.." |
| 379 | and obliterate it and the "/..". */ |
| 380 | char *q = p; |
| 381 | while (q != current_directory && !IS_DIR_SEPARATOR (q[-1])) |
| 382 | --q; |
| 383 | |
| 384 | if (q == current_directory) |
| 385 | /* current_directory is |
| 386 | a relative pathname ("can't happen"--leave it alone). */ |
| 387 | ++p; |
| 388 | else |
| 389 | { |
| 390 | strcpy (q - 1, p + 3); |
| 391 | p = q - 1; |
| 392 | } |
| 393 | } |
| 394 | else |
| 395 | /* We are dealing with leading repetitions of "/..", for example |
| 396 | "/../..", which is the Mach super-root. */ |
| 397 | p += 3; |
| 398 | } |
| 399 | else |
| 400 | { |
| 401 | found_real_path = 1; |
| 402 | ++p; |
| 403 | } |
| 404 | } |
| 405 | |
| 406 | forget_cached_source_info (); |
| 407 | |
| 408 | if (from_tty) |
| 409 | pwd_command ((char *) 0, 1); |
| 410 | } |
| 411 | \f |
| 412 | void |
| 413 | source_command (char *args, int from_tty) |
| 414 | { |
| 415 | FILE *stream; |
| 416 | struct cleanup *old_cleanups; |
| 417 | char *file = args; |
| 418 | |
| 419 | if (file == NULL) |
| 420 | { |
| 421 | error ("source command requires pathname of file to source."); |
| 422 | } |
| 423 | |
| 424 | file = tilde_expand (file); |
| 425 | old_cleanups = make_cleanup (xfree, file); |
| 426 | |
| 427 | stream = fopen (file, FOPEN_RT); |
| 428 | if (!stream) |
| 429 | { |
| 430 | if (from_tty) |
| 431 | perror_with_name (file); |
| 432 | else |
| 433 | return; |
| 434 | } |
| 435 | |
| 436 | script_from_file (stream, file); |
| 437 | |
| 438 | do_cleanups (old_cleanups); |
| 439 | } |
| 440 | |
| 441 | /* ARGSUSED */ |
| 442 | static void |
| 443 | echo_command (char *text, int from_tty) |
| 444 | { |
| 445 | char *p = text; |
| 446 | register int c; |
| 447 | |
| 448 | if (text) |
| 449 | while ((c = *p++) != '\0') |
| 450 | { |
| 451 | if (c == '\\') |
| 452 | { |
| 453 | /* \ at end of argument is used after spaces |
| 454 | so they won't be lost. */ |
| 455 | if (*p == 0) |
| 456 | return; |
| 457 | |
| 458 | c = parse_escape (&p); |
| 459 | if (c >= 0) |
| 460 | printf_filtered ("%c", c); |
| 461 | } |
| 462 | else |
| 463 | printf_filtered ("%c", c); |
| 464 | } |
| 465 | |
| 466 | /* Force this output to appear now. */ |
| 467 | wrap_here (""); |
| 468 | gdb_flush (gdb_stdout); |
| 469 | } |
| 470 | |
| 471 | /* ARGSUSED */ |
| 472 | static void |
| 473 | shell_escape (char *arg, int from_tty) |
| 474 | { |
| 475 | #ifdef CANT_FORK |
| 476 | /* If ARG is NULL, they want an inferior shell, but `system' just |
| 477 | reports if the shell is available when passed a NULL arg. */ |
| 478 | int rc = system (arg ? arg : ""); |
| 479 | |
| 480 | if (!arg) |
| 481 | arg = "inferior shell"; |
| 482 | |
| 483 | if (rc == -1) |
| 484 | { |
| 485 | fprintf_unfiltered (gdb_stderr, "Cannot execute %s: %s\n", arg, |
| 486 | safe_strerror (errno)); |
| 487 | gdb_flush (gdb_stderr); |
| 488 | } |
| 489 | else if (rc) |
| 490 | { |
| 491 | fprintf_unfiltered (gdb_stderr, "%s exited with status %d\n", arg, rc); |
| 492 | gdb_flush (gdb_stderr); |
| 493 | } |
| 494 | #ifdef GLOBAL_CURDIR |
| 495 | /* Make sure to return to the directory GDB thinks it is, in case the |
| 496 | shell command we just ran changed it. */ |
| 497 | chdir (current_directory); |
| 498 | #endif |
| 499 | #else /* Can fork. */ |
| 500 | int rc, status, pid; |
| 501 | char *p, *user_shell; |
| 502 | |
| 503 | if ((user_shell = (char *) getenv ("SHELL")) == NULL) |
| 504 | user_shell = "/bin/sh"; |
| 505 | |
| 506 | /* Get the name of the shell for arg0 */ |
| 507 | if ((p = strrchr (user_shell, '/')) == NULL) |
| 508 | p = user_shell; |
| 509 | else |
| 510 | p++; /* Get past '/' */ |
| 511 | |
| 512 | if ((pid = fork ()) == 0) |
| 513 | { |
| 514 | if (!arg) |
| 515 | execl (user_shell, p, 0); |
| 516 | else |
| 517 | execl (user_shell, p, "-c", arg, 0); |
| 518 | |
| 519 | fprintf_unfiltered (gdb_stderr, "Cannot execute %s: %s\n", user_shell, |
| 520 | safe_strerror (errno)); |
| 521 | gdb_flush (gdb_stderr); |
| 522 | _exit (0177); |
| 523 | } |
| 524 | |
| 525 | if (pid != -1) |
| 526 | while ((rc = wait (&status)) != pid && rc != -1) |
| 527 | ; |
| 528 | else |
| 529 | error ("Fork failed"); |
| 530 | #endif /* Can fork. */ |
| 531 | } |
| 532 | |
| 533 | static void |
| 534 | edit_command (char *arg, int from_tty) |
| 535 | { |
| 536 | struct symtabs_and_lines sals; |
| 537 | struct symtab_and_line sal; |
| 538 | struct symbol *sym; |
| 539 | char *arg1; |
| 540 | int cmdlen, log10; |
| 541 | unsigned m; |
| 542 | char *editor; |
| 543 | char *p; |
| 544 | |
| 545 | /* Pull in the current default source line if necessary */ |
| 546 | if (arg == 0) |
| 547 | { |
| 548 | set_default_source_symtab_and_line (); |
| 549 | sal = get_current_source_symtab_and_line (); |
| 550 | } |
| 551 | |
| 552 | /* bare "edit" edits file with present line. */ |
| 553 | |
| 554 | if (arg == 0) |
| 555 | { |
| 556 | if (sal.symtab == 0) |
| 557 | error ("No default source file yet."); |
| 558 | sal.line += get_lines_to_list () / 2; |
| 559 | } |
| 560 | else |
| 561 | { |
| 562 | |
| 563 | /* Now should only be one argument -- decode it in SAL */ |
| 564 | |
| 565 | arg1 = arg; |
| 566 | sals = decode_line_1 (&arg1, 0, 0, 0, 0); |
| 567 | |
| 568 | if (! sals.nelts) return; /* C++ */ |
| 569 | if (sals.nelts > 1) { |
| 570 | ambiguous_line_spec (&sals); |
| 571 | xfree (sals.sals); |
| 572 | return; |
| 573 | } |
| 574 | |
| 575 | sal = sals.sals[0]; |
| 576 | xfree (sals.sals); |
| 577 | |
| 578 | if (*arg1) |
| 579 | error ("Junk at end of line specification."); |
| 580 | |
| 581 | /* if line was specified by address, |
| 582 | first print exactly which line, and which file. |
| 583 | In this case, sal.symtab == 0 means address is outside |
| 584 | of all known source files, not that user failed to give a filename. */ |
| 585 | if (*arg == '*') |
| 586 | { |
| 587 | if (sal.symtab == 0) |
| 588 | /* FIXME-32x64--assumes sal.pc fits in long. */ |
| 589 | error ("No source file for address %s.", |
| 590 | local_hex_string((unsigned long) sal.pc)); |
| 591 | sym = find_pc_function (sal.pc); |
| 592 | if (sym) |
| 593 | { |
| 594 | print_address_numeric (sal.pc, 1, gdb_stdout); |
| 595 | printf_filtered (" is in "); |
| 596 | fputs_filtered (SYMBOL_PRINT_NAME (sym), gdb_stdout); |
| 597 | printf_filtered (" (%s:%d).\n", sal.symtab->filename, sal.line); |
| 598 | } |
| 599 | else |
| 600 | { |
| 601 | print_address_numeric (sal.pc, 1, gdb_stdout); |
| 602 | printf_filtered (" is at %s:%d.\n", |
| 603 | sal.symtab->filename, sal.line); |
| 604 | } |
| 605 | } |
| 606 | |
| 607 | /* If what was given does not imply a symtab, it must be an undebuggable |
| 608 | symbol which means no source code. */ |
| 609 | |
| 610 | if (sal.symtab == 0) |
| 611 | error ("No line number known for %s.", arg); |
| 612 | } |
| 613 | |
| 614 | if ((editor = (char *) getenv ("EDITOR")) == NULL) |
| 615 | editor = "/bin/ex"; |
| 616 | |
| 617 | /* Approximate base-10 log of line to 1 unit for digit count */ |
| 618 | for(log10=32, m=0x80000000; !(sal.line & m) && log10>0; log10--, m=m>>1); |
| 619 | log10 = 1 + (int)((log10 + (0 == ((m-1) & sal.line)))/3.32192809); |
| 620 | |
| 621 | cmdlen = strlen(editor) + 1 |
| 622 | + (NULL == sal.symtab->dirname ? 0 : strlen(sal.symtab->dirname) + 1) |
| 623 | + (NULL == sal.symtab->filename? 0 : strlen(sal.symtab->filename)+ 1) |
| 624 | + log10 + 2; |
| 625 | |
| 626 | p = xmalloc(cmdlen); |
| 627 | sprintf(p,"%s +%d %s%s",editor,sal.line, |
| 628 | (NULL == sal.symtab->dirname ? "./" : |
| 629 | (NULL != sal.symtab->filename && *(sal.symtab->filename) != '/') ? |
| 630 | sal.symtab->dirname : ""), |
| 631 | (NULL == sal.symtab->filename ? "unknown" : sal.symtab->filename) |
| 632 | ); |
| 633 | shell_escape(p, from_tty); |
| 634 | |
| 635 | xfree(p); |
| 636 | } |
| 637 | |
| 638 | static void |
| 639 | list_command (char *arg, int from_tty) |
| 640 | { |
| 641 | struct symtabs_and_lines sals, sals_end; |
| 642 | struct symtab_and_line sal, sal_end, cursal; |
| 643 | struct symbol *sym; |
| 644 | char *arg1; |
| 645 | int no_end = 1; |
| 646 | int dummy_end = 0; |
| 647 | int dummy_beg = 0; |
| 648 | int linenum_beg = 0; |
| 649 | char *p; |
| 650 | |
| 651 | /* Pull in the current default source line if necessary */ |
| 652 | if (arg == 0 || arg[0] == '+' || arg[0] == '-') |
| 653 | { |
| 654 | set_default_source_symtab_and_line (); |
| 655 | cursal = get_current_source_symtab_and_line (); |
| 656 | } |
| 657 | |
| 658 | /* "l" or "l +" lists next ten lines. */ |
| 659 | |
| 660 | if (arg == 0 || STREQ (arg, "+")) |
| 661 | { |
| 662 | print_source_lines (cursal.symtab, cursal.line, |
| 663 | cursal.line + get_lines_to_list (), 0); |
| 664 | return; |
| 665 | } |
| 666 | |
| 667 | /* "l -" lists previous ten lines, the ones before the ten just listed. */ |
| 668 | if (STREQ (arg, "-")) |
| 669 | { |
| 670 | print_source_lines (cursal.symtab, |
| 671 | max (get_first_line_listed () - get_lines_to_list (), 1), |
| 672 | get_first_line_listed (), 0); |
| 673 | return; |
| 674 | } |
| 675 | |
| 676 | /* Now if there is only one argument, decode it in SAL |
| 677 | and set NO_END. |
| 678 | If there are two arguments, decode them in SAL and SAL_END |
| 679 | and clear NO_END; however, if one of the arguments is blank, |
| 680 | set DUMMY_BEG or DUMMY_END to record that fact. */ |
| 681 | |
| 682 | if (!have_full_symbols () && !have_partial_symbols ()) |
| 683 | error ("No symbol table is loaded. Use the \"file\" command."); |
| 684 | |
| 685 | arg1 = arg; |
| 686 | if (*arg1 == ',') |
| 687 | dummy_beg = 1; |
| 688 | else |
| 689 | { |
| 690 | sals = decode_line_1 (&arg1, 0, 0, 0, 0); |
| 691 | |
| 692 | if (!sals.nelts) |
| 693 | return; /* C++ */ |
| 694 | if (sals.nelts > 1) |
| 695 | { |
| 696 | ambiguous_line_spec (&sals); |
| 697 | xfree (sals.sals); |
| 698 | return; |
| 699 | } |
| 700 | |
| 701 | sal = sals.sals[0]; |
| 702 | xfree (sals.sals); |
| 703 | } |
| 704 | |
| 705 | /* Record whether the BEG arg is all digits. */ |
| 706 | |
| 707 | for (p = arg; p != arg1 && *p >= '0' && *p <= '9'; p++); |
| 708 | linenum_beg = (p == arg1); |
| 709 | |
| 710 | while (*arg1 == ' ' || *arg1 == '\t') |
| 711 | arg1++; |
| 712 | if (*arg1 == ',') |
| 713 | { |
| 714 | no_end = 0; |
| 715 | arg1++; |
| 716 | while (*arg1 == ' ' || *arg1 == '\t') |
| 717 | arg1++; |
| 718 | if (*arg1 == 0) |
| 719 | dummy_end = 1; |
| 720 | else |
| 721 | { |
| 722 | if (dummy_beg) |
| 723 | sals_end = decode_line_1 (&arg1, 0, 0, 0, 0); |
| 724 | else |
| 725 | sals_end = decode_line_1 (&arg1, 0, sal.symtab, sal.line, 0); |
| 726 | if (sals_end.nelts == 0) |
| 727 | return; |
| 728 | if (sals_end.nelts > 1) |
| 729 | { |
| 730 | ambiguous_line_spec (&sals_end); |
| 731 | xfree (sals_end.sals); |
| 732 | return; |
| 733 | } |
| 734 | sal_end = sals_end.sals[0]; |
| 735 | xfree (sals_end.sals); |
| 736 | } |
| 737 | } |
| 738 | |
| 739 | if (*arg1) |
| 740 | error ("Junk at end of line specification."); |
| 741 | |
| 742 | if (!no_end && !dummy_beg && !dummy_end |
| 743 | && sal.symtab != sal_end.symtab) |
| 744 | error ("Specified start and end are in different files."); |
| 745 | if (dummy_beg && dummy_end) |
| 746 | error ("Two empty args do not say what lines to list."); |
| 747 | |
| 748 | /* if line was specified by address, |
| 749 | first print exactly which line, and which file. |
| 750 | In this case, sal.symtab == 0 means address is outside |
| 751 | of all known source files, not that user failed to give a filename. */ |
| 752 | if (*arg == '*') |
| 753 | { |
| 754 | if (sal.symtab == 0) |
| 755 | /* FIXME-32x64--assumes sal.pc fits in long. */ |
| 756 | error ("No source file for address %s.", |
| 757 | local_hex_string ((unsigned long) sal.pc)); |
| 758 | sym = find_pc_function (sal.pc); |
| 759 | if (sym) |
| 760 | { |
| 761 | print_address_numeric (sal.pc, 1, gdb_stdout); |
| 762 | printf_filtered (" is in "); |
| 763 | fputs_filtered (SYMBOL_PRINT_NAME (sym), gdb_stdout); |
| 764 | printf_filtered (" (%s:%d).\n", sal.symtab->filename, sal.line); |
| 765 | } |
| 766 | else |
| 767 | { |
| 768 | print_address_numeric (sal.pc, 1, gdb_stdout); |
| 769 | printf_filtered (" is at %s:%d.\n", |
| 770 | sal.symtab->filename, sal.line); |
| 771 | } |
| 772 | } |
| 773 | |
| 774 | /* If line was not specified by just a line number, |
| 775 | and it does not imply a symtab, it must be an undebuggable symbol |
| 776 | which means no source code. */ |
| 777 | |
| 778 | if (!linenum_beg && sal.symtab == 0) |
| 779 | error ("No line number known for %s.", arg); |
| 780 | |
| 781 | /* If this command is repeated with RET, |
| 782 | turn it into the no-arg variant. */ |
| 783 | |
| 784 | if (from_tty) |
| 785 | *arg = 0; |
| 786 | |
| 787 | if (dummy_beg && sal_end.symtab == 0) |
| 788 | error ("No default source file yet. Do \"help list\"."); |
| 789 | if (dummy_beg) |
| 790 | print_source_lines (sal_end.symtab, |
| 791 | max (sal_end.line - (get_lines_to_list () - 1), 1), |
| 792 | sal_end.line + 1, 0); |
| 793 | else if (sal.symtab == 0) |
| 794 | error ("No default source file yet. Do \"help list\"."); |
| 795 | else if (no_end) |
| 796 | { |
| 797 | int first_line = sal.line - get_lines_to_list () / 2; |
| 798 | |
| 799 | if (first_line < 1) first_line = 1; |
| 800 | |
| 801 | print_source_lines (sal.symtab, |
| 802 | first_line, |
| 803 | first_line + get_lines_to_list (), |
| 804 | 0); |
| 805 | } |
| 806 | else |
| 807 | print_source_lines (sal.symtab, sal.line, |
| 808 | (dummy_end |
| 809 | ? sal.line + get_lines_to_list () |
| 810 | : sal_end.line + 1), |
| 811 | 0); |
| 812 | } |
| 813 | |
| 814 | /* Dump a specified section of assembly code. With no command line |
| 815 | arguments, this command will dump the assembly code for the |
| 816 | function surrounding the pc value in the selected frame. With one |
| 817 | argument, it will dump the assembly code surrounding that pc value. |
| 818 | Two arguments are interpeted as bounds within which to dump |
| 819 | assembly. */ |
| 820 | |
| 821 | /* ARGSUSED */ |
| 822 | static void |
| 823 | disassemble_command (char *arg, int from_tty) |
| 824 | { |
| 825 | CORE_ADDR low, high; |
| 826 | char *name; |
| 827 | CORE_ADDR pc, pc_masked; |
| 828 | char *space_index; |
| 829 | #if 0 |
| 830 | asection *section; |
| 831 | #endif |
| 832 | |
| 833 | name = NULL; |
| 834 | if (!arg) |
| 835 | { |
| 836 | if (!deprecated_selected_frame) |
| 837 | error ("No frame selected.\n"); |
| 838 | |
| 839 | pc = get_frame_pc (deprecated_selected_frame); |
| 840 | if (find_pc_partial_function (pc, &name, &low, &high) == 0) |
| 841 | error ("No function contains program counter for selected frame.\n"); |
| 842 | #if defined(TUI) |
| 843 | /* NOTE: cagney/2003-02-13 The `tui_active' was previously |
| 844 | `tui_version'. */ |
| 845 | else if (tui_active) |
| 846 | low = tuiGetLowDisassemblyAddress (low, pc); |
| 847 | #endif |
| 848 | low += FUNCTION_START_OFFSET; |
| 849 | } |
| 850 | else if (!(space_index = (char *) strchr (arg, ' '))) |
| 851 | { |
| 852 | /* One argument. */ |
| 853 | pc = parse_and_eval_address (arg); |
| 854 | if (find_pc_partial_function (pc, &name, &low, &high) == 0) |
| 855 | error ("No function contains specified address.\n"); |
| 856 | #if defined(TUI) |
| 857 | /* NOTE: cagney/2003-02-13 The `tui_active' was previously |
| 858 | `tui_version'. */ |
| 859 | else if (tui_active) |
| 860 | low = tuiGetLowDisassemblyAddress (low, pc); |
| 861 | #endif |
| 862 | low += FUNCTION_START_OFFSET; |
| 863 | } |
| 864 | else |
| 865 | { |
| 866 | /* Two arguments. */ |
| 867 | *space_index = '\0'; |
| 868 | low = parse_and_eval_address (arg); |
| 869 | high = parse_and_eval_address (space_index + 1); |
| 870 | } |
| 871 | |
| 872 | #if defined(TUI) |
| 873 | if (!tui_is_window_visible (DISASSEM_WIN)) |
| 874 | #endif |
| 875 | { |
| 876 | printf_filtered ("Dump of assembler code "); |
| 877 | if (name != NULL) |
| 878 | { |
| 879 | printf_filtered ("for function %s:\n", name); |
| 880 | } |
| 881 | else |
| 882 | { |
| 883 | printf_filtered ("from "); |
| 884 | print_address_numeric (low, 1, gdb_stdout); |
| 885 | printf_filtered (" to "); |
| 886 | print_address_numeric (high, 1, gdb_stdout); |
| 887 | printf_filtered (":\n"); |
| 888 | } |
| 889 | |
| 890 | /* Dump the specified range. */ |
| 891 | gdb_disassembly (uiout, 0, 0, 0, -1, low, high); |
| 892 | |
| 893 | printf_filtered ("End of assembler dump.\n"); |
| 894 | gdb_flush (gdb_stdout); |
| 895 | } |
| 896 | #if defined(TUI) |
| 897 | else |
| 898 | { |
| 899 | tui_show_assembly (low); |
| 900 | } |
| 901 | #endif |
| 902 | } |
| 903 | |
| 904 | static void |
| 905 | make_command (char *arg, int from_tty) |
| 906 | { |
| 907 | char *p; |
| 908 | |
| 909 | if (arg == 0) |
| 910 | p = "make"; |
| 911 | else |
| 912 | { |
| 913 | p = xmalloc (sizeof ("make ") + strlen (arg)); |
| 914 | strcpy (p, "make "); |
| 915 | strcpy (p + sizeof ("make ") - 1, arg); |
| 916 | } |
| 917 | |
| 918 | shell_escape (p, from_tty); |
| 919 | } |
| 920 | |
| 921 | /* ARGSUSED */ |
| 922 | static void |
| 923 | show_user (char *args, int from_tty) |
| 924 | { |
| 925 | struct cmd_list_element *c; |
| 926 | extern struct cmd_list_element *cmdlist; |
| 927 | |
| 928 | if (args) |
| 929 | { |
| 930 | c = lookup_cmd (&args, cmdlist, "", 0, 1); |
| 931 | if (c->class != class_user) |
| 932 | error ("Not a user command."); |
| 933 | show_user_1 (c, gdb_stdout); |
| 934 | } |
| 935 | else |
| 936 | { |
| 937 | for (c = cmdlist; c; c = c->next) |
| 938 | { |
| 939 | if (c->class == class_user) |
| 940 | show_user_1 (c, gdb_stdout); |
| 941 | } |
| 942 | } |
| 943 | } |
| 944 | |
| 945 | /* Search through names of commands and documentations for a certain |
| 946 | regular expression. |
| 947 | */ |
| 948 | void |
| 949 | apropos_command (char *searchstr, int from_tty) |
| 950 | { |
| 951 | extern struct cmd_list_element *cmdlist; /*This is the main command list*/ |
| 952 | regex_t pattern; |
| 953 | char *pattern_fastmap; |
| 954 | char errorbuffer[512]; |
| 955 | pattern_fastmap = xcalloc (256, sizeof (char)); |
| 956 | if (searchstr == NULL) |
| 957 | error("REGEXP string is empty"); |
| 958 | |
| 959 | if (regcomp(&pattern,searchstr,REG_ICASE) == 0) |
| 960 | { |
| 961 | pattern.fastmap=pattern_fastmap; |
| 962 | re_compile_fastmap(&pattern); |
| 963 | apropos_cmd (gdb_stdout,cmdlist,&pattern,""); |
| 964 | } |
| 965 | else |
| 966 | { |
| 967 | regerror(regcomp(&pattern,searchstr,REG_ICASE),NULL,errorbuffer,512); |
| 968 | error("Error in regular expression:%s",errorbuffer); |
| 969 | } |
| 970 | xfree (pattern_fastmap); |
| 971 | } |
| 972 | \f |
| 973 | /* Print a list of files and line numbers which a user may choose from |
| 974 | in order to list a function which was specified ambiguously (as with |
| 975 | `list classname::overloadedfuncname', for example). The vector in |
| 976 | SALS provides the filenames and line numbers. */ |
| 977 | |
| 978 | static void |
| 979 | ambiguous_line_spec (struct symtabs_and_lines *sals) |
| 980 | { |
| 981 | int i; |
| 982 | |
| 983 | for (i = 0; i < sals->nelts; ++i) |
| 984 | printf_filtered ("file: \"%s\", line number: %d\n", |
| 985 | sals->sals[i].symtab->filename, sals->sals[i].line); |
| 986 | } |
| 987 | |
| 988 | static void |
| 989 | set_debug (char *arg, int from_tty) |
| 990 | { |
| 991 | printf_unfiltered ("\"set debug\" must be followed by the name of a print subcommand.\n"); |
| 992 | help_list (setdebuglist, "set debug ", -1, gdb_stdout); |
| 993 | } |
| 994 | |
| 995 | static void |
| 996 | show_debug (char *args, int from_tty) |
| 997 | { |
| 998 | cmd_show_list (showdebuglist, from_tty, ""); |
| 999 | } |
| 1000 | |
| 1001 | void |
| 1002 | init_cmd_lists (void) |
| 1003 | { |
| 1004 | max_user_call_depth = 1024; |
| 1005 | |
| 1006 | cmdlist = NULL; |
| 1007 | infolist = NULL; |
| 1008 | enablelist = NULL; |
| 1009 | disablelist = NULL; |
| 1010 | togglelist = NULL; |
| 1011 | stoplist = NULL; |
| 1012 | deletelist = NULL; |
| 1013 | enablebreaklist = NULL; |
| 1014 | setlist = NULL; |
| 1015 | unsetlist = NULL; |
| 1016 | showlist = NULL; |
| 1017 | sethistlist = NULL; |
| 1018 | showhistlist = NULL; |
| 1019 | unsethistlist = NULL; |
| 1020 | maintenancelist = NULL; |
| 1021 | maintenanceinfolist = NULL; |
| 1022 | maintenanceprintlist = NULL; |
| 1023 | setprintlist = NULL; |
| 1024 | showprintlist = NULL; |
| 1025 | setchecklist = NULL; |
| 1026 | showchecklist = NULL; |
| 1027 | } |
| 1028 | |
| 1029 | \f |
| 1030 | void |
| 1031 | init_cli_cmds (void) |
| 1032 | { |
| 1033 | struct cmd_list_element *c; |
| 1034 | |
| 1035 | /* Define the classes of commands. |
| 1036 | They will appear in the help list in the reverse of this order. */ |
| 1037 | |
| 1038 | add_cmd ("internals", class_maintenance, NULL, |
| 1039 | "Maintenance commands.\n\ |
| 1040 | Some gdb commands are provided just for use by gdb maintainers.\n\ |
| 1041 | These commands are subject to frequent change, and may not be as\n\ |
| 1042 | well documented as user commands.", |
| 1043 | &cmdlist); |
| 1044 | add_cmd ("obscure", class_obscure, NULL, "Obscure features.", &cmdlist); |
| 1045 | add_cmd ("aliases", class_alias, NULL, "Aliases of other commands.", &cmdlist); |
| 1046 | add_cmd ("user-defined", class_user, NULL, "User-defined commands.\n\ |
| 1047 | The commands in this class are those defined by the user.\n\ |
| 1048 | Use the \"define\" command to define a command.", &cmdlist); |
| 1049 | add_cmd ("support", class_support, NULL, "Support facilities.", &cmdlist); |
| 1050 | if (!dbx_commands) |
| 1051 | add_cmd ("status", class_info, NULL, "Status inquiries.", &cmdlist); |
| 1052 | add_cmd ("files", class_files, NULL, "Specifying and examining files.", &cmdlist); |
| 1053 | add_cmd ("breakpoints", class_breakpoint, NULL, "Making program stop at certain points.", &cmdlist); |
| 1054 | add_cmd ("data", class_vars, NULL, "Examining data.", &cmdlist); |
| 1055 | add_cmd ("stack", class_stack, NULL, "Examining the stack.\n\ |
| 1056 | The stack is made up of stack frames. Gdb assigns numbers to stack frames\n\ |
| 1057 | counting from zero for the innermost (currently executing) frame.\n\n\ |
| 1058 | At any time gdb identifies one frame as the \"selected\" frame.\n\ |
| 1059 | Variable lookups are done with respect to the selected frame.\n\ |
| 1060 | When the program being debugged stops, gdb selects the innermost frame.\n\ |
| 1061 | The commands below can be used to select other frames by number or address.", |
| 1062 | &cmdlist); |
| 1063 | add_cmd ("running", class_run, NULL, "Running the program.", &cmdlist); |
| 1064 | |
| 1065 | /* Define general commands. */ |
| 1066 | |
| 1067 | add_com ("pwd", class_files, pwd_command, |
| 1068 | "Print working directory. This is used for your program as well."); |
| 1069 | c = add_cmd ("cd", class_files, cd_command, |
| 1070 | "Set working directory to DIR for debugger and program being debugged.\n\ |
| 1071 | The change does not take effect for the program being debugged\n\ |
| 1072 | until the next time it is started.", &cmdlist); |
| 1073 | set_cmd_completer (c, filename_completer); |
| 1074 | |
| 1075 | add_com ("echo", class_support, echo_command, |
| 1076 | "Print a constant string. Give string as argument.\n\ |
| 1077 | C escape sequences may be used in the argument.\n\ |
| 1078 | No newline is added at the end of the argument;\n\ |
| 1079 | use \"\\n\" if you want a newline to be printed.\n\ |
| 1080 | Since leading and trailing whitespace are ignored in command arguments,\n\ |
| 1081 | if you want to print some you must use \"\\\" before leading whitespace\n\ |
| 1082 | to be printed or after trailing whitespace."); |
| 1083 | add_com ("document", class_support, document_command, |
| 1084 | "Document a user-defined command.\n\ |
| 1085 | Give command name as argument. Give documentation on following lines.\n\ |
| 1086 | End with a line of just \"end\"."); |
| 1087 | add_com ("define", class_support, define_command, |
| 1088 | "Define a new command name. Command name is argument.\n\ |
| 1089 | Definition appears on following lines, one command per line.\n\ |
| 1090 | End with a line of just \"end\".\n\ |
| 1091 | Use the \"document\" command to give documentation for the new command.\n\ |
| 1092 | Commands defined in this way may have up to ten arguments."); |
| 1093 | |
| 1094 | c = add_cmd ("source", class_support, source_command, |
| 1095 | "Read commands from a file named FILE.\n\ |
| 1096 | Note that the file \"" GDBINIT_FILENAME "\" is read automatically in this way\n\ |
| 1097 | when gdb is started.", &cmdlist); |
| 1098 | set_cmd_completer (c, filename_completer); |
| 1099 | |
| 1100 | add_com ("quit", class_support, quit_command, "Exit gdb."); |
| 1101 | c = add_com ("help", class_support, help_command, "Print list of commands."); |
| 1102 | set_cmd_completer (c, command_completer); |
| 1103 | add_com_alias ("q", "quit", class_support, 1); |
| 1104 | add_com_alias ("h", "help", class_support, 1); |
| 1105 | |
| 1106 | c = add_set_cmd ("verbose", class_support, var_boolean, (char *) &info_verbose, |
| 1107 | "Set ", |
| 1108 | &setlist), |
| 1109 | add_show_from_set (c, &showlist); |
| 1110 | set_cmd_sfunc (c, set_verbose); |
| 1111 | set_verbose (NULL, 0, c); |
| 1112 | |
| 1113 | add_prefix_cmd ("history", class_support, set_history, |
| 1114 | "Generic command for setting command history parameters.", |
| 1115 | &sethistlist, "set history ", 0, &setlist); |
| 1116 | add_prefix_cmd ("history", class_support, show_history, |
| 1117 | "Generic command for showing command history parameters.", |
| 1118 | &showhistlist, "show history ", 0, &showlist); |
| 1119 | |
| 1120 | add_show_from_set |
| 1121 | (add_set_cmd ("expansion", no_class, var_boolean, (char *) &history_expansion_p, |
| 1122 | "Set history expansion on command input.\n\ |
| 1123 | Without an argument, history expansion is enabled.", &sethistlist), |
| 1124 | &showhistlist); |
| 1125 | |
| 1126 | add_prefix_cmd ("info", class_info, info_command, |
| 1127 | "Generic command for showing things about the program being debugged.", |
| 1128 | &infolist, "info ", 0, &cmdlist); |
| 1129 | add_com_alias ("i", "info", class_info, 1); |
| 1130 | |
| 1131 | add_com ("complete", class_obscure, complete_command, |
| 1132 | "List the completions for the rest of the line as a command."); |
| 1133 | |
| 1134 | add_prefix_cmd ("show", class_info, show_command, |
| 1135 | "Generic command for showing things about the debugger.", |
| 1136 | &showlist, "show ", 0, &cmdlist); |
| 1137 | /* Another way to get at the same thing. */ |
| 1138 | add_info ("set", show_command, "Show all GDB settings."); |
| 1139 | |
| 1140 | add_cmd ("commands", no_class, show_commands, |
| 1141 | "Show the history of commands you typed.\n\ |
| 1142 | You can supply a command number to start with, or a `+' to start after\n\ |
| 1143 | the previous command number shown.", |
| 1144 | &showlist); |
| 1145 | |
| 1146 | add_cmd ("version", no_class, show_version, |
| 1147 | "Show what version of GDB this is.", &showlist); |
| 1148 | |
| 1149 | add_com ("while", class_support, while_command, |
| 1150 | "Execute nested commands WHILE the conditional expression is non zero.\n\ |
| 1151 | The conditional expression must follow the word `while' and must in turn be\n\ |
| 1152 | followed by a new line. The nested commands must be entered one per line,\n\ |
| 1153 | and should be terminated by the word `end'."); |
| 1154 | |
| 1155 | add_com ("if", class_support, if_command, |
| 1156 | "Execute nested commands once IF the conditional expression is non zero.\n\ |
| 1157 | The conditional expression must follow the word `if' and must in turn be\n\ |
| 1158 | followed by a new line. The nested commands must be entered one per line,\n\ |
| 1159 | and should be terminated by the word 'else' or `end'. If an else clause\n\ |
| 1160 | is used, the same rules apply to its nested commands as to the first ones."); |
| 1161 | |
| 1162 | /* If target is open when baud changes, it doesn't take effect until the |
| 1163 | next open (I think, not sure). */ |
| 1164 | add_show_from_set (add_set_cmd ("remotebaud", no_class, |
| 1165 | var_zinteger, (char *) &baud_rate, |
| 1166 | "Set baud rate for remote serial I/O.\n\ |
| 1167 | This value is used to set the speed of the serial port when debugging\n\ |
| 1168 | using remote targets.", &setlist), |
| 1169 | &showlist); |
| 1170 | |
| 1171 | c = add_set_cmd ("remotedebug", no_class, var_zinteger, |
| 1172 | (char *) &remote_debug, |
| 1173 | "Set debugging of remote protocol.\n\ |
| 1174 | When enabled, each packet sent or received with the remote target\n\ |
| 1175 | is displayed.", &setlist); |
| 1176 | deprecate_cmd (c, "set debug remote"); |
| 1177 | deprecate_cmd (add_show_from_set (c, &showlist), "show debug remote"); |
| 1178 | |
| 1179 | add_show_from_set (add_set_cmd ("remote", no_class, var_zinteger, |
| 1180 | (char *) &remote_debug, |
| 1181 | "Set debugging of remote protocol.\n\ |
| 1182 | When enabled, each packet sent or received with the remote target\n\ |
| 1183 | is displayed.", &setdebuglist), |
| 1184 | &showdebuglist); |
| 1185 | |
| 1186 | add_show_from_set ( |
| 1187 | add_set_cmd ("remotetimeout", no_class, var_integer, (char *) &remote_timeout, |
| 1188 | "Set timeout limit to wait for target to respond.\n\ |
| 1189 | This value is used to set the time limit for gdb to wait for a response\n\ |
| 1190 | from the target.", &setlist), |
| 1191 | &showlist); |
| 1192 | |
| 1193 | add_prefix_cmd ("debug", no_class, set_debug, |
| 1194 | "Generic command for setting gdb debugging flags", |
| 1195 | &setdebuglist, "set debug ", 0, &setlist); |
| 1196 | |
| 1197 | add_prefix_cmd ("debug", no_class, show_debug, |
| 1198 | "Generic command for showing gdb debugging flags", |
| 1199 | &showdebuglist, "show debug ", 0, &showlist); |
| 1200 | |
| 1201 | c = add_com ("shell", class_support, shell_escape, |
| 1202 | "Execute the rest of the line as a shell command.\n\ |
| 1203 | With no arguments, run an inferior shell."); |
| 1204 | set_cmd_completer (c, filename_completer); |
| 1205 | |
| 1206 | c = add_com ("edit", class_files, edit_command, |
| 1207 | concat ("Edit specified file or function.\n\ |
| 1208 | With no argument, edits file containing most recent line listed.\n\ |
| 1209 | ", "\ |
| 1210 | Editing targets can be specified in these ways:\n\ |
| 1211 | FILE:LINENUM, to edit at that line in that file,\n\ |
| 1212 | FUNCTION, to edit at the beginning of that function,\n\ |
| 1213 | FILE:FUNCTION, to distinguish among like-named static functions.\n\ |
| 1214 | *ADDRESS, to edit at the line containing that address.\n\ |
| 1215 | Uses EDITOR environment variable contents as editor (or ex as default).",NULL)); |
| 1216 | |
| 1217 | c->completer = location_completer; |
| 1218 | |
| 1219 | add_com ("list", class_files, list_command, |
| 1220 | concat ("List specified function or line.\n\ |
| 1221 | With no argument, lists ten more lines after or around previous listing.\n\ |
| 1222 | \"list -\" lists the ten lines before a previous ten-line listing.\n\ |
| 1223 | One argument specifies a line, and ten lines are listed around that line.\n\ |
| 1224 | Two arguments with comma between specify starting and ending lines to list.\n\ |
| 1225 | ", "\ |
| 1226 | Lines can be specified in these ways:\n\ |
| 1227 | LINENUM, to list around that line in current file,\n\ |
| 1228 | FILE:LINENUM, to list around that line in that file,\n\ |
| 1229 | FUNCTION, to list around beginning of that function,\n\ |
| 1230 | FILE:FUNCTION, to distinguish among like-named static functions.\n\ |
| 1231 | *ADDRESS, to list around the line containing that address.\n\ |
| 1232 | With two args if one is empty it stands for ten lines away from the other arg.", NULL)); |
| 1233 | |
| 1234 | if (!xdb_commands) |
| 1235 | add_com_alias ("l", "list", class_files, 1); |
| 1236 | else |
| 1237 | add_com_alias ("v", "list", class_files, 1); |
| 1238 | |
| 1239 | if (dbx_commands) |
| 1240 | add_com_alias ("file", "list", class_files, 1); |
| 1241 | |
| 1242 | c = add_com ("disassemble", class_vars, disassemble_command, |
| 1243 | "Disassemble a specified section of memory.\n\ |
| 1244 | Default is the function surrounding the pc of the selected frame.\n\ |
| 1245 | With a single argument, the function surrounding that address is dumped.\n\ |
| 1246 | Two arguments are taken as a range of memory to dump."); |
| 1247 | set_cmd_completer (c, location_completer); |
| 1248 | if (xdb_commands) |
| 1249 | add_com_alias ("va", "disassemble", class_xdb, 0); |
| 1250 | |
| 1251 | /* NOTE: cagney/2000-03-20: Being able to enter ``(gdb) !ls'' would |
| 1252 | be a really useful feature. Unfortunately, the below wont do |
| 1253 | this. Instead it adds support for the form ``(gdb) ! ls'' |
| 1254 | (i.e. the space is required). If the ``!'' command below is |
| 1255 | added the complains about no ``!'' command would be replaced by |
| 1256 | complains about how the ``!'' command is broken :-) */ |
| 1257 | if (xdb_commands) |
| 1258 | add_com_alias ("!", "shell", class_support, 0); |
| 1259 | |
| 1260 | c = add_com ("make", class_support, make_command, |
| 1261 | "Run the ``make'' program using the rest of the line as arguments."); |
| 1262 | set_cmd_completer (c, filename_completer); |
| 1263 | add_cmd ("user", no_class, show_user, |
| 1264 | "Show definitions of user defined commands.\n\ |
| 1265 | Argument is the name of the user defined command.\n\ |
| 1266 | With no argument, show definitions of all user defined commands.", &showlist); |
| 1267 | add_com ("apropos", class_support, apropos_command, "Search for commands matching a REGEXP"); |
| 1268 | |
| 1269 | add_show_from_set ( |
| 1270 | add_set_cmd ("max-user-call-depth", no_class, var_integer, |
| 1271 | (char *) &max_user_call_depth, |
| 1272 | "Set the max call depth for user-defined commands.\n", |
| 1273 | &setlist), |
| 1274 | &showlist); |
| 1275 | } |