Commit | Line | Data |
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d318976c | 1 | /* GDB CLI commands. |
2b5436af | 2 | Copyright 2000, 2001 Free Software Foundation, Inc. |
d318976c FN |
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 */ | |
fe4e3eb8 | 26 | #include "filenames.h" /* for DOSish file names */ |
d318976c FN |
27 | |
28 | #ifdef UI_OUT | |
29 | #include "ui-out.h" | |
30 | #endif | |
31 | ||
32 | #include "top.h" | |
33 | #include "cli/cli-decode.h" | |
34 | #include "cli/cli-script.h" | |
35 | #include "cli/cli-setshow.h" | |
36 | #include "cli/cli-cmds.h" | |
37 | ||
38 | #ifndef GDBINIT_FILENAME | |
39 | #define GDBINIT_FILENAME ".gdbinit" | |
40 | #endif | |
41 | ||
42 | /* FIXME: this should be auto-configured! */ | |
43 | #ifdef __MSDOS__ | |
44 | # define CANT_FORK | |
45 | #endif | |
46 | ||
47 | /* From gdb/top.c */ | |
48 | ||
49 | extern void dont_repeat (void); | |
50 | ||
51 | extern void set_verbose (char *, int, struct cmd_list_element *); | |
52 | ||
53 | extern void show_history (char *, int); | |
54 | ||
55 | extern void set_history (char *, int); | |
56 | ||
57 | extern void show_commands (char *, int); | |
58 | ||
59 | /* Prototypes for local functions */ | |
60 | ||
61 | static void complete_command (char *, int); | |
62 | ||
63 | static void echo_command (char *, int); | |
64 | ||
65 | static void pwd_command (char *, int); | |
66 | ||
67 | static void show_version (char *, int); | |
68 | ||
69 | static void validate_comname (char *); | |
70 | ||
71 | static void help_command (char *, int); | |
72 | ||
73 | static void show_command (char *, int); | |
74 | ||
75 | static void info_command (char *, int); | |
76 | ||
77 | static void show_debug (char *, int); | |
78 | ||
79 | static void set_debug (char *, int); | |
80 | ||
81 | static void show_user (char *, int); | |
82 | ||
83 | static void make_command (char *, int); | |
84 | ||
85 | static void shell_escape (char *, int); | |
86 | ||
87 | void apropos_command (char *, int); | |
88 | \f | |
89 | /* Define all cmd_list_elements. */ | |
90 | ||
91 | /* Chain containing all defined commands. */ | |
92 | ||
93 | struct cmd_list_element *cmdlist; | |
94 | ||
95 | /* Chain containing all defined info subcommands. */ | |
96 | ||
97 | struct cmd_list_element *infolist; | |
98 | ||
99 | /* Chain containing all defined enable subcommands. */ | |
100 | ||
101 | struct cmd_list_element *enablelist; | |
102 | ||
103 | /* Chain containing all defined disable subcommands. */ | |
104 | ||
105 | struct cmd_list_element *disablelist; | |
106 | ||
107 | /* Chain containing all defined toggle subcommands. */ | |
108 | ||
109 | struct cmd_list_element *togglelist; | |
110 | ||
111 | /* Chain containing all defined stop subcommands. */ | |
112 | ||
113 | struct cmd_list_element *stoplist; | |
114 | ||
115 | /* Chain containing all defined delete subcommands. */ | |
116 | ||
117 | struct cmd_list_element *deletelist; | |
118 | ||
119 | /* Chain containing all defined "enable breakpoint" subcommands. */ | |
120 | ||
121 | struct cmd_list_element *enablebreaklist; | |
122 | ||
123 | /* Chain containing all defined set subcommands */ | |
124 | ||
125 | struct cmd_list_element *setlist; | |
126 | ||
127 | /* Chain containing all defined unset subcommands */ | |
128 | ||
129 | struct cmd_list_element *unsetlist; | |
130 | ||
131 | /* Chain containing all defined show subcommands. */ | |
132 | ||
133 | struct cmd_list_element *showlist; | |
134 | ||
135 | /* Chain containing all defined \"set history\". */ | |
136 | ||
137 | struct cmd_list_element *sethistlist; | |
138 | ||
139 | /* Chain containing all defined \"show history\". */ | |
140 | ||
141 | struct cmd_list_element *showhistlist; | |
142 | ||
143 | /* Chain containing all defined \"unset history\". */ | |
144 | ||
145 | struct cmd_list_element *unsethistlist; | |
146 | ||
147 | /* Chain containing all defined maintenance subcommands. */ | |
148 | ||
149 | struct cmd_list_element *maintenancelist; | |
150 | ||
151 | /* Chain containing all defined "maintenance info" subcommands. */ | |
152 | ||
153 | struct cmd_list_element *maintenanceinfolist; | |
154 | ||
155 | /* Chain containing all defined "maintenance print" subcommands. */ | |
156 | ||
157 | struct cmd_list_element *maintenanceprintlist; | |
158 | ||
159 | struct cmd_list_element *setprintlist; | |
160 | ||
161 | struct cmd_list_element *showprintlist; | |
162 | ||
163 | struct cmd_list_element *setdebuglist; | |
164 | ||
165 | struct cmd_list_element *showdebuglist; | |
166 | ||
167 | struct cmd_list_element *setchecklist; | |
168 | ||
169 | struct cmd_list_element *showchecklist; | |
170 | \f | |
171 | /* Utility used everywhere when at least one argument is needed and | |
172 | none is supplied. */ | |
173 | ||
174 | void | |
175 | error_no_arg (char *why) | |
176 | { | |
177 | error ("Argument required (%s).", why); | |
178 | } | |
179 | ||
180 | /* The "info" command is defined as a prefix, with allow_unknown = 0. | |
181 | Therefore, its own definition is called only for "info" with no args. */ | |
182 | ||
183 | /* ARGSUSED */ | |
184 | static void | |
185 | info_command (char *arg, int from_tty) | |
186 | { | |
187 | printf_unfiltered ("\"info\" must be followed by the name of an info command.\n"); | |
188 | help_list (infolist, "info ", -1, gdb_stdout); | |
189 | } | |
190 | ||
191 | /* The "show" command with no arguments shows all the settings. */ | |
192 | ||
193 | /* ARGSUSED */ | |
194 | static void | |
195 | show_command (char *arg, int from_tty) | |
196 | { | |
197 | cmd_show_list (showlist, from_tty, ""); | |
198 | } | |
199 | \f | |
200 | /* Provide documentation on command or list given by COMMAND. FROM_TTY | |
201 | is ignored. */ | |
202 | ||
203 | /* ARGSUSED */ | |
204 | static void | |
205 | help_command (char *command, int from_tty) | |
206 | { | |
207 | help_cmd (command, gdb_stdout); | |
208 | } | |
209 | \f | |
210 | /* The "complete" command is used by Emacs to implement completion. */ | |
211 | ||
212 | /* ARGSUSED */ | |
213 | static void | |
214 | complete_command (char *arg, int from_tty) | |
215 | { | |
216 | int i; | |
217 | int argpoint; | |
218 | char *completion; | |
219 | ||
220 | dont_repeat (); | |
221 | ||
222 | if (arg == NULL) | |
223 | arg = ""; | |
224 | argpoint = strlen (arg); | |
225 | ||
226 | for (completion = line_completion_function (arg, i = 0, arg, argpoint); | |
227 | completion; | |
228 | completion = line_completion_function (arg, ++i, arg, argpoint)) | |
229 | { | |
230 | printf_unfiltered ("%s\n", completion); | |
b8c9b27d | 231 | xfree (completion); |
d318976c FN |
232 | } |
233 | } | |
234 | ||
235 | int is_complete_command (void (*func) (char *args, int from_tty)) | |
236 | { | |
237 | return func == complete_command; | |
238 | } | |
239 | ||
240 | /* ARGSUSED */ | |
241 | static void | |
242 | show_version (char *args, int from_tty) | |
243 | { | |
244 | immediate_quit++; | |
245 | print_gdb_version (gdb_stdout); | |
246 | printf_filtered ("\n"); | |
247 | immediate_quit--; | |
248 | } | |
249 | ||
250 | /* Handle the quit command. */ | |
251 | ||
252 | void | |
253 | quit_command (char *args, int from_tty) | |
254 | { | |
255 | if (!quit_confirm ()) | |
256 | error ("Not confirmed."); | |
257 | quit_force (args, from_tty); | |
258 | } | |
259 | ||
260 | /* ARGSUSED */ | |
261 | static void | |
262 | pwd_command (char *args, int from_tty) | |
263 | { | |
264 | if (args) | |
265 | error ("The \"pwd\" command does not take an argument: %s", args); | |
266 | getcwd (gdb_dirbuf, sizeof (gdb_dirbuf)); | |
267 | ||
268 | if (!STREQ (gdb_dirbuf, current_directory)) | |
269 | printf_unfiltered ("Working directory %s\n (canonically %s).\n", | |
270 | current_directory, gdb_dirbuf); | |
271 | else | |
272 | printf_unfiltered ("Working directory %s.\n", current_directory); | |
273 | } | |
274 | ||
275 | void | |
276 | cd_command (char *dir, int from_tty) | |
277 | { | |
278 | int len; | |
279 | /* Found something other than leading repetitions of "/..". */ | |
280 | int found_real_path; | |
281 | char *p; | |
282 | ||
283 | /* If the new directory is absolute, repeat is a no-op; if relative, | |
284 | repeat might be useful but is more likely to be a mistake. */ | |
285 | dont_repeat (); | |
286 | ||
287 | if (dir == 0) | |
288 | error_no_arg ("new working directory"); | |
289 | ||
290 | dir = tilde_expand (dir); | |
b8c9b27d | 291 | make_cleanup (xfree, dir); |
d318976c FN |
292 | |
293 | if (chdir (dir) < 0) | |
294 | perror_with_name (dir); | |
295 | ||
fe4e3eb8 | 296 | #if HAVE_DOS_BASED_FILE_SYSTEM |
d318976c FN |
297 | /* There's too much mess with DOSish names like "d:", "d:.", |
298 | "d:./foo" etc. Instead of having lots of special #ifdef'ed code, | |
299 | simply get the canonicalized name of the current directory. */ | |
300 | dir = getcwd (gdb_dirbuf, sizeof (gdb_dirbuf)); | |
301 | #endif | |
302 | ||
303 | len = strlen (dir); | |
fe4e3eb8 | 304 | if (IS_DIR_SEPARATOR (dir[len - 1])) |
d318976c FN |
305 | { |
306 | /* Remove the trailing slash unless this is a root directory | |
307 | (including a drive letter on non-Unix systems). */ | |
308 | if (!(len == 1) /* "/" */ | |
fe4e3eb8 EZ |
309 | #if HAVE_DOS_BASED_FILE_SYSTEM |
310 | && !(len == 3 && dir[1] == ':') /* "d:/" */ | |
d318976c FN |
311 | #endif |
312 | ) | |
313 | len--; | |
314 | } | |
315 | ||
316 | dir = savestring (dir, len); | |
fe4e3eb8 | 317 | if (IS_ABSOLUTE_PATH (dir)) |
d318976c FN |
318 | current_directory = dir; |
319 | else | |
320 | { | |
fe4e3eb8 | 321 | if (IS_DIR_SEPARATOR (current_directory[strlen (current_directory) - 1])) |
d318976c FN |
322 | current_directory = concat (current_directory, dir, NULL); |
323 | else | |
324 | current_directory = concat (current_directory, SLASH_STRING, dir, NULL); | |
b8c9b27d | 325 | xfree (dir); |
d318976c FN |
326 | } |
327 | ||
328 | /* Now simplify any occurrences of `.' and `..' in the pathname. */ | |
329 | ||
330 | found_real_path = 0; | |
331 | for (p = current_directory; *p;) | |
332 | { | |
fe4e3eb8 EZ |
333 | if (IS_DIR_SEPARATOR (p[0]) && p[1] == '.' |
334 | && (p[2] == 0 || IS_DIR_SEPARATOR (p[2]))) | |
d318976c | 335 | strcpy (p, p + 2); |
fe4e3eb8 EZ |
336 | else if (IS_DIR_SEPARATOR (p[0]) && p[1] == '.' && p[2] == '.' |
337 | && (p[3] == 0 || IS_DIR_SEPARATOR (p[3]))) | |
d318976c FN |
338 | { |
339 | if (found_real_path) | |
340 | { | |
341 | /* Search backwards for the directory just before the "/.." | |
342 | and obliterate it and the "/..". */ | |
343 | char *q = p; | |
fe4e3eb8 | 344 | while (q != current_directory && !IS_DIR_SEPARATOR (q[-1])) |
d318976c FN |
345 | --q; |
346 | ||
347 | if (q == current_directory) | |
348 | /* current_directory is | |
349 | a relative pathname ("can't happen"--leave it alone). */ | |
350 | ++p; | |
351 | else | |
352 | { | |
353 | strcpy (q - 1, p + 3); | |
354 | p = q - 1; | |
355 | } | |
356 | } | |
357 | else | |
358 | /* We are dealing with leading repetitions of "/..", for example | |
359 | "/../..", which is the Mach super-root. */ | |
360 | p += 3; | |
361 | } | |
362 | else | |
363 | { | |
364 | found_real_path = 1; | |
365 | ++p; | |
366 | } | |
367 | } | |
368 | ||
369 | forget_cached_source_info (); | |
370 | ||
371 | if (from_tty) | |
372 | pwd_command ((char *) 0, 1); | |
373 | } | |
374 | \f | |
375 | void | |
376 | source_command (char *args, int from_tty) | |
377 | { | |
378 | FILE *stream; | |
379 | struct cleanup *old_cleanups; | |
380 | char *file = args; | |
381 | ||
382 | if (file == NULL) | |
383 | { | |
384 | error ("source command requires pathname of file to source."); | |
385 | } | |
386 | ||
387 | file = tilde_expand (file); | |
b8c9b27d | 388 | old_cleanups = make_cleanup (xfree, file); |
d318976c FN |
389 | |
390 | stream = fopen (file, FOPEN_RT); | |
391 | if (!stream) | |
392 | { | |
393 | if (from_tty) | |
394 | perror_with_name (file); | |
395 | else | |
396 | return; | |
397 | } | |
398 | ||
399 | script_from_file (stream, file); | |
400 | ||
401 | do_cleanups (old_cleanups); | |
402 | } | |
403 | ||
404 | /* ARGSUSED */ | |
405 | static void | |
406 | echo_command (char *text, int from_tty) | |
407 | { | |
408 | char *p = text; | |
409 | register int c; | |
410 | ||
411 | if (text) | |
412 | while ((c = *p++) != '\0') | |
413 | { | |
414 | if (c == '\\') | |
415 | { | |
416 | /* \ at end of argument is used after spaces | |
417 | so they won't be lost. */ | |
418 | if (*p == 0) | |
419 | return; | |
420 | ||
421 | c = parse_escape (&p); | |
422 | if (c >= 0) | |
423 | printf_filtered ("%c", c); | |
424 | } | |
425 | else | |
426 | printf_filtered ("%c", c); | |
427 | } | |
428 | ||
429 | /* Force this output to appear now. */ | |
430 | wrap_here (""); | |
431 | gdb_flush (gdb_stdout); | |
432 | } | |
433 | ||
434 | /* ARGSUSED */ | |
435 | static void | |
436 | shell_escape (char *arg, int from_tty) | |
437 | { | |
438 | #ifdef CANT_FORK | |
439 | /* If ARG is NULL, they want an inferior shell, but `system' just | |
440 | reports if the shell is available when passed a NULL arg. */ | |
441 | int rc = system (arg ? arg : ""); | |
442 | ||
443 | if (!arg) | |
444 | arg = "inferior shell"; | |
445 | ||
446 | if (rc == -1) | |
447 | { | |
448 | fprintf_unfiltered (gdb_stderr, "Cannot execute %s: %s\n", arg, | |
449 | safe_strerror (errno)); | |
450 | gdb_flush (gdb_stderr); | |
451 | } | |
452 | else if (rc) | |
453 | { | |
454 | fprintf_unfiltered (gdb_stderr, "%s exited with status %d\n", arg, rc); | |
455 | gdb_flush (gdb_stderr); | |
456 | } | |
457 | #ifdef __DJGPP__ | |
458 | /* Make sure to return to the directory GDB thinks it is, in case the | |
459 | shell command we just ran changed it. */ | |
460 | chdir (current_directory); | |
461 | #endif | |
462 | #else /* Can fork. */ | |
463 | int rc, status, pid; | |
464 | char *p, *user_shell; | |
465 | ||
466 | if ((user_shell = (char *) getenv ("SHELL")) == NULL) | |
467 | user_shell = "/bin/sh"; | |
468 | ||
469 | /* Get the name of the shell for arg0 */ | |
470 | if ((p = strrchr (user_shell, '/')) == NULL) | |
471 | p = user_shell; | |
472 | else | |
473 | p++; /* Get past '/' */ | |
474 | ||
475 | if ((pid = fork ()) == 0) | |
476 | { | |
477 | if (!arg) | |
478 | execl (user_shell, p, 0); | |
479 | else | |
480 | execl (user_shell, p, "-c", arg, 0); | |
481 | ||
482 | fprintf_unfiltered (gdb_stderr, "Cannot execute %s: %s\n", user_shell, | |
483 | safe_strerror (errno)); | |
484 | gdb_flush (gdb_stderr); | |
485 | _exit (0177); | |
486 | } | |
487 | ||
488 | if (pid != -1) | |
489 | while ((rc = wait (&status)) != pid && rc != -1) | |
490 | ; | |
491 | else | |
492 | error ("Fork failed"); | |
493 | #endif /* Can fork. */ | |
494 | } | |
495 | ||
496 | static void | |
497 | make_command (char *arg, int from_tty) | |
498 | { | |
499 | char *p; | |
500 | ||
501 | if (arg == 0) | |
502 | p = "make"; | |
503 | else | |
504 | { | |
505 | p = xmalloc (sizeof ("make ") + strlen (arg)); | |
506 | strcpy (p, "make "); | |
507 | strcpy (p + sizeof ("make ") - 1, arg); | |
508 | } | |
509 | ||
510 | shell_escape (p, from_tty); | |
511 | } | |
512 | ||
513 | /* ARGSUSED */ | |
514 | static void | |
515 | show_user (char *args, int from_tty) | |
516 | { | |
517 | struct cmd_list_element *c; | |
518 | extern struct cmd_list_element *cmdlist; | |
519 | ||
520 | if (args) | |
521 | { | |
522 | c = lookup_cmd (&args, cmdlist, "", 0, 1); | |
523 | if (c->class != class_user) | |
524 | error ("Not a user command."); | |
525 | show_user_1 (c, gdb_stdout); | |
526 | } | |
527 | else | |
528 | { | |
529 | for (c = cmdlist; c; c = c->next) | |
530 | { | |
531 | if (c->class == class_user) | |
532 | show_user_1 (c, gdb_stdout); | |
533 | } | |
534 | } | |
535 | } | |
536 | ||
537 | /* Search through names of commands and documentations for a certain | |
538 | regular expression. | |
539 | */ | |
540 | void | |
541 | apropos_command (char *searchstr, int from_tty) | |
542 | { | |
543 | extern struct cmd_list_element *cmdlist; /*This is the main command list*/ | |
544 | regex_t pattern; | |
545 | char *pattern_fastmap; | |
546 | char errorbuffer[512]; | |
2e94c453 | 547 | pattern_fastmap = xcalloc (256, sizeof (char)); |
d318976c FN |
548 | if (searchstr == NULL) |
549 | error("REGEXP string is empty"); | |
550 | ||
551 | if (regcomp(&pattern,searchstr,REG_ICASE) == 0) | |
552 | { | |
553 | pattern.fastmap=pattern_fastmap; | |
554 | re_compile_fastmap(&pattern); | |
555 | apropos_cmd (gdb_stdout,cmdlist,&pattern,""); | |
556 | } | |
557 | else | |
558 | { | |
559 | regerror(regcomp(&pattern,searchstr,REG_ICASE),NULL,errorbuffer,512); | |
560 | error("Error in regular expression:%s",errorbuffer); | |
561 | } | |
2b5436af | 562 | xfree (pattern_fastmap); |
d318976c FN |
563 | } |
564 | \f | |
565 | static void | |
566 | set_debug (char *arg, int from_tty) | |
567 | { | |
568 | printf_unfiltered ("\"set debug\" must be followed by the name of a print subcommand.\n"); | |
569 | help_list (setdebuglist, "set debug ", -1, gdb_stdout); | |
570 | } | |
571 | ||
572 | static void | |
573 | show_debug (char *args, int from_tty) | |
574 | { | |
575 | cmd_show_list (showdebuglist, from_tty, ""); | |
576 | } | |
577 | ||
578 | void | |
579 | init_cmd_lists (void) | |
580 | { | |
581 | cmdlist = NULL; | |
582 | infolist = NULL; | |
583 | enablelist = NULL; | |
584 | disablelist = NULL; | |
585 | togglelist = NULL; | |
586 | stoplist = NULL; | |
587 | deletelist = NULL; | |
588 | enablebreaklist = NULL; | |
589 | setlist = NULL; | |
590 | unsetlist = NULL; | |
591 | showlist = NULL; | |
592 | sethistlist = NULL; | |
593 | showhistlist = NULL; | |
594 | unsethistlist = NULL; | |
595 | maintenancelist = NULL; | |
596 | maintenanceinfolist = NULL; | |
597 | maintenanceprintlist = NULL; | |
598 | setprintlist = NULL; | |
599 | showprintlist = NULL; | |
600 | setchecklist = NULL; | |
601 | showchecklist = NULL; | |
602 | } | |
603 | ||
604 | \f | |
605 | void | |
606 | init_cli_cmds (void) | |
607 | { | |
608 | struct cmd_list_element *c; | |
609 | ||
610 | /* Define the classes of commands. | |
611 | They will appear in the help list in the reverse of this order. */ | |
612 | ||
613 | add_cmd ("internals", class_maintenance, NO_FUNCTION, | |
614 | "Maintenance commands.\n\ | |
615 | Some gdb commands are provided just for use by gdb maintainers.\n\ | |
616 | These commands are subject to frequent change, and may not be as\n\ | |
617 | well documented as user commands.", | |
618 | &cmdlist); | |
619 | add_cmd ("obscure", class_obscure, NO_FUNCTION, "Obscure features.", &cmdlist); | |
620 | add_cmd ("aliases", class_alias, NO_FUNCTION, "Aliases of other commands.", &cmdlist); | |
621 | add_cmd ("user-defined", class_user, NO_FUNCTION, "User-defined commands.\n\ | |
622 | The commands in this class are those defined by the user.\n\ | |
623 | Use the \"define\" command to define a command.", &cmdlist); | |
624 | add_cmd ("support", class_support, NO_FUNCTION, "Support facilities.", &cmdlist); | |
625 | if (!dbx_commands) | |
626 | add_cmd ("status", class_info, NO_FUNCTION, "Status inquiries.", &cmdlist); | |
627 | add_cmd ("files", class_files, NO_FUNCTION, "Specifying and examining files.", &cmdlist); | |
628 | add_cmd ("breakpoints", class_breakpoint, NO_FUNCTION, "Making program stop at certain points.", &cmdlist); | |
629 | add_cmd ("data", class_vars, NO_FUNCTION, "Examining data.", &cmdlist); | |
630 | add_cmd ("stack", class_stack, NO_FUNCTION, "Examining the stack.\n\ | |
631 | The stack is made up of stack frames. Gdb assigns numbers to stack frames\n\ | |
632 | counting from zero for the innermost (currently executing) frame.\n\n\ | |
633 | At any time gdb identifies one frame as the \"selected\" frame.\n\ | |
634 | Variable lookups are done with respect to the selected frame.\n\ | |
635 | When the program being debugged stops, gdb selects the innermost frame.\n\ | |
636 | The commands below can be used to select other frames by number or address.", | |
637 | &cmdlist); | |
638 | add_cmd ("running", class_run, NO_FUNCTION, "Running the program.", &cmdlist); | |
639 | ||
640 | /* Define general commands. */ | |
641 | ||
642 | add_com ("pwd", class_files, pwd_command, | |
643 | "Print working directory. This is used for your program as well."); | |
644 | c = add_cmd ("cd", class_files, cd_command, | |
645 | "Set working directory to DIR for debugger and program being debugged.\n\ | |
646 | The change does not take effect for the program being debugged\n\ | |
647 | until the next time it is started.", &cmdlist); | |
648 | c->completer = filename_completer; | |
649 | ||
650 | add_com ("echo", class_support, echo_command, | |
651 | "Print a constant string. Give string as argument.\n\ | |
652 | C escape sequences may be used in the argument.\n\ | |
653 | No newline is added at the end of the argument;\n\ | |
654 | use \"\\n\" if you want a newline to be printed.\n\ | |
655 | Since leading and trailing whitespace are ignored in command arguments,\n\ | |
656 | if you want to print some you must use \"\\\" before leading whitespace\n\ | |
657 | to be printed or after trailing whitespace."); | |
658 | add_com ("document", class_support, document_command, | |
659 | "Document a user-defined command.\n\ | |
660 | Give command name as argument. Give documentation on following lines.\n\ | |
661 | End with a line of just \"end\"."); | |
662 | add_com ("define", class_support, define_command, | |
663 | "Define a new command name. Command name is argument.\n\ | |
664 | Definition appears on following lines, one command per line.\n\ | |
665 | End with a line of just \"end\".\n\ | |
666 | Use the \"document\" command to give documentation for the new command.\n\ | |
667 | Commands defined in this way may have up to ten arguments."); | |
668 | ||
d318976c FN |
669 | c = add_cmd ("source", class_support, source_command, |
670 | "Read commands from a file named FILE.\n\ | |
671 | Note that the file \"" GDBINIT_FILENAME "\" is read automatically in this way\n\ | |
672 | when gdb is started.", &cmdlist); | |
d318976c FN |
673 | c->completer = filename_completer; |
674 | ||
675 | add_com ("quit", class_support, quit_command, "Exit gdb."); | |
676 | add_com ("help", class_support, help_command, "Print list of commands."); | |
677 | add_com_alias ("q", "quit", class_support, 1); | |
678 | add_com_alias ("h", "help", class_support, 1); | |
679 | ||
680 | c = add_set_cmd ("verbose", class_support, var_boolean, (char *) &info_verbose, | |
681 | "Set ", | |
682 | &setlist), | |
683 | add_show_from_set (c, &showlist); | |
684 | c->function.sfunc = set_verbose; | |
685 | set_verbose (NULL, 0, c); | |
686 | ||
687 | add_prefix_cmd ("history", class_support, set_history, | |
688 | "Generic command for setting command history parameters.", | |
689 | &sethistlist, "set history ", 0, &setlist); | |
690 | add_prefix_cmd ("history", class_support, show_history, | |
691 | "Generic command for showing command history parameters.", | |
692 | &showhistlist, "show history ", 0, &showlist); | |
693 | ||
694 | add_show_from_set | |
695 | (add_set_cmd ("expansion", no_class, var_boolean, (char *) &history_expansion_p, | |
696 | "Set history expansion on command input.\n\ | |
697 | Without an argument, history expansion is enabled.", &sethistlist), | |
698 | &showhistlist); | |
699 | ||
700 | add_prefix_cmd ("info", class_info, info_command, | |
701 | "Generic command for showing things about the program being debugged.", | |
702 | &infolist, "info ", 0, &cmdlist); | |
703 | add_com_alias ("i", "info", class_info, 1); | |
704 | ||
705 | add_com ("complete", class_obscure, complete_command, | |
706 | "List the completions for the rest of the line as a command."); | |
707 | ||
708 | add_prefix_cmd ("show", class_info, show_command, | |
709 | "Generic command for showing things about the debugger.", | |
710 | &showlist, "show ", 0, &cmdlist); | |
711 | /* Another way to get at the same thing. */ | |
712 | add_info ("set", show_command, "Show all GDB settings."); | |
713 | ||
714 | add_cmd ("commands", no_class, show_commands, | |
715 | "Show the history of commands you typed.\n\ | |
716 | You can supply a command number to start with, or a `+' to start after\n\ | |
717 | the previous command number shown.", | |
718 | &showlist); | |
719 | ||
720 | add_cmd ("version", no_class, show_version, | |
721 | "Show what version of GDB this is.", &showlist); | |
722 | ||
723 | add_com ("while", class_support, while_command, | |
724 | "Execute nested commands WHILE the conditional expression is non zero.\n\ | |
725 | The conditional expression must follow the word `while' and must in turn be\n\ | |
726 | followed by a new line. The nested commands must be entered one per line,\n\ | |
727 | and should be terminated by the word `end'."); | |
728 | ||
729 | add_com ("if", class_support, if_command, | |
730 | "Execute nested commands once IF the conditional expression is non zero.\n\ | |
731 | The conditional expression must follow the word `if' 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 'else' or `end'. If an else clause\n\ | |
734 | is used, the same rules apply to its nested commands as to the first ones."); | |
735 | ||
736 | /* If target is open when baud changes, it doesn't take effect until the | |
737 | next open (I think, not sure). */ | |
738 | add_show_from_set (add_set_cmd ("remotebaud", no_class, | |
739 | var_zinteger, (char *) &baud_rate, | |
740 | "Set baud rate for remote serial I/O.\n\ | |
741 | This value is used to set the speed of the serial port when debugging\n\ | |
742 | using remote targets.", &setlist), | |
743 | &showlist); | |
744 | ||
745 | c = add_set_cmd ("remotedebug", no_class, var_zinteger, | |
746 | (char *) &remote_debug, | |
747 | "Set debugging of remote protocol.\n\ | |
748 | When enabled, each packet sent or received with the remote target\n\ | |
749 | is displayed.", &setlist); | |
750 | deprecate_cmd (c, "set debug remote"); | |
751 | deprecate_cmd (add_show_from_set (c, &showlist), "show debug remote"); | |
752 | ||
753 | add_show_from_set (add_set_cmd ("remote", no_class, var_zinteger, | |
754 | (char *) &remote_debug, | |
755 | "Set debugging of remote protocol.\n\ | |
756 | When enabled, each packet sent or received with the remote target\n\ | |
757 | is displayed.", &setdebuglist), | |
758 | &showdebuglist); | |
759 | ||
760 | add_show_from_set ( | |
761 | add_set_cmd ("remotetimeout", no_class, var_integer, (char *) &remote_timeout, | |
762 | "Set timeout limit to wait for target to respond.\n\ | |
763 | This value is used to set the time limit for gdb to wait for a response\n\ | |
764 | from the target.", &setlist), | |
765 | &showlist); | |
766 | ||
767 | add_prefix_cmd ("debug", no_class, set_debug, | |
768 | "Generic command for setting gdb debugging flags", | |
769 | &setdebuglist, "set debug ", 0, &setlist); | |
770 | ||
771 | add_prefix_cmd ("debug", no_class, show_debug, | |
772 | "Generic command for showing gdb debugging flags", | |
773 | &showdebuglist, "show debug ", 0, &showlist); | |
774 | ||
fa58ee11 EZ |
775 | c = add_com ("shell", class_support, shell_escape, |
776 | "Execute the rest of the line as a shell command. \n\ | |
d318976c | 777 | With no arguments, run an inferior shell."); |
fa58ee11 | 778 | c->completer = filename_completer; |
d318976c FN |
779 | |
780 | /* NOTE: cagney/2000-03-20: Being able to enter ``(gdb) !ls'' would | |
781 | be a really useful feature. Unfortunately, the below wont do | |
782 | this. Instead it adds support for the form ``(gdb) ! ls'' | |
783 | (i.e. the space is required). If the ``!'' command below is | |
784 | added the complains about no ``!'' command would be replaced by | |
785 | complains about how the ``!'' command is broken :-) */ | |
786 | if (xdb_commands) | |
787 | add_com_alias ("!", "shell", class_support, 0); | |
788 | ||
fa58ee11 EZ |
789 | c = add_com ("make", class_support, make_command, |
790 | "Run the ``make'' program using the rest of the line as arguments."); | |
791 | c->completer = filename_completer; | |
d318976c FN |
792 | add_cmd ("user", no_class, show_user, |
793 | "Show definitions of user defined commands.\n\ | |
794 | Argument is the name of the user defined command.\n\ | |
795 | With no argument, show definitions of all user defined commands.", &showlist); | |
796 | add_com ("apropos", class_support, apropos_command, "Search for commands matching a REGEXP"); | |
797 | } |