Commit | Line | Data |
---|---|---|
d318976c | 1 | /* GDB CLI commands. |
8926118c | 2 | |
0fb0cc75 | 3 | Copyright (C) 2000, 2001, 2002, 2003, 2004, 2005, 2007, 2008, 2009 |
10f9c213 | 4 | Free Software Foundation, Inc. |
d318976c FN |
5 | |
6 | This file is part of GDB. | |
7 | ||
8 | This program is free software; you can redistribute it and/or modify | |
9 | it under the terms of the GNU General Public License as published by | |
a9762ec7 | 10 | the Free Software Foundation; either version 3 of the License, or |
d318976c FN |
11 | (at your option) any later version. |
12 | ||
13 | This program is distributed in the hope that it will be useful, | |
14 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | GNU General Public License for more details. | |
17 | ||
18 | You should have received a copy of the GNU General Public License | |
a9762ec7 | 19 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
d318976c FN |
20 | |
21 | #include "defs.h" | |
dbda9972 AC |
22 | #include "readline/readline.h" |
23 | #include "readline/tilde.h" | |
d318976c FN |
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 */ | |
f77b92bf | 27 | #include "gdb_regex.h" /* Used by apropos_command */ |
5f8a3188 | 28 | #include "gdb_string.h" |
325ed089 | 29 | #include "gdb_vfork.h" |
0378c332 FN |
30 | #include "linespec.h" |
31 | #include "expression.h" | |
83c31e7d FN |
32 | #include "frame.h" |
33 | #include "value.h" | |
0378c332 | 34 | #include "language.h" |
fe4e3eb8 | 35 | #include "filenames.h" /* for DOSish file names */ |
0378c332 FN |
36 | #include "objfiles.h" |
37 | #include "source.h" | |
83c31e7d | 38 | #include "disasm.h" |
d318976c | 39 | |
d318976c | 40 | #include "ui-out.h" |
d318976c FN |
41 | |
42 | #include "top.h" | |
43 | #include "cli/cli-decode.h" | |
44 | #include "cli/cli-script.h" | |
45 | #include "cli/cli-setshow.h" | |
46 | #include "cli/cli-cmds.h" | |
47 | ||
6a83354a AC |
48 | #ifdef TUI |
49 | #include "tui/tui.h" /* For tui_active et.al. */ | |
50 | #endif | |
51 | ||
4b505b12 AS |
52 | #include <fcntl.h> |
53 | ||
0378c332 | 54 | /* Prototypes for local command functions */ |
d318976c FN |
55 | |
56 | static void complete_command (char *, int); | |
57 | ||
58 | static void echo_command (char *, int); | |
59 | ||
60 | static void pwd_command (char *, int); | |
61 | ||
62 | static void show_version (char *, int); | |
63 | ||
d318976c FN |
64 | static void help_command (char *, int); |
65 | ||
66 | static void show_command (char *, int); | |
67 | ||
68 | static void info_command (char *, int); | |
69 | ||
70 | static void show_debug (char *, int); | |
71 | ||
72 | static void set_debug (char *, int); | |
73 | ||
74 | static void show_user (char *, int); | |
75 | ||
76 | static void make_command (char *, int); | |
77 | ||
78 | static void shell_escape (char *, int); | |
79 | ||
0378c332 FN |
80 | static void edit_command (char *, int); |
81 | ||
82 | static void list_command (char *, int); | |
83 | ||
d318976c | 84 | void apropos_command (char *, int); |
0378c332 FN |
85 | |
86 | /* Prototypes for local utility functions */ | |
87 | ||
88 | static void ambiguous_line_spec (struct symtabs_and_lines *); | |
d318976c | 89 | \f |
20f01a46 DH |
90 | /* Limit the call depth of user-defined commands */ |
91 | int max_user_call_depth; | |
92 | ||
d318976c FN |
93 | /* Define all cmd_list_elements. */ |
94 | ||
95 | /* Chain containing all defined commands. */ | |
96 | ||
97 | struct cmd_list_element *cmdlist; | |
98 | ||
99 | /* Chain containing all defined info subcommands. */ | |
100 | ||
101 | struct cmd_list_element *infolist; | |
102 | ||
103 | /* Chain containing all defined enable subcommands. */ | |
104 | ||
105 | struct cmd_list_element *enablelist; | |
106 | ||
107 | /* Chain containing all defined disable subcommands. */ | |
108 | ||
109 | struct cmd_list_element *disablelist; | |
110 | ||
111 | /* Chain containing all defined toggle subcommands. */ | |
112 | ||
113 | struct cmd_list_element *togglelist; | |
114 | ||
115 | /* Chain containing all defined stop subcommands. */ | |
116 | ||
117 | struct cmd_list_element *stoplist; | |
118 | ||
119 | /* Chain containing all defined delete subcommands. */ | |
120 | ||
121 | struct cmd_list_element *deletelist; | |
122 | ||
f73adfeb AS |
123 | /* Chain containing all defined detach subcommands. */ |
124 | ||
125 | struct cmd_list_element *detachlist; | |
126 | ||
d318976c FN |
127 | /* Chain containing all defined "enable breakpoint" subcommands. */ |
128 | ||
129 | struct cmd_list_element *enablebreaklist; | |
130 | ||
131 | /* Chain containing all defined set subcommands */ | |
132 | ||
133 | struct cmd_list_element *setlist; | |
134 | ||
135 | /* Chain containing all defined unset subcommands */ | |
136 | ||
137 | struct cmd_list_element *unsetlist; | |
138 | ||
139 | /* Chain containing all defined show subcommands. */ | |
140 | ||
141 | struct cmd_list_element *showlist; | |
142 | ||
143 | /* Chain containing all defined \"set history\". */ | |
144 | ||
145 | struct cmd_list_element *sethistlist; | |
146 | ||
147 | /* Chain containing all defined \"show history\". */ | |
148 | ||
149 | struct cmd_list_element *showhistlist; | |
150 | ||
151 | /* Chain containing all defined \"unset history\". */ | |
152 | ||
153 | struct cmd_list_element *unsethistlist; | |
154 | ||
155 | /* Chain containing all defined maintenance subcommands. */ | |
156 | ||
157 | struct cmd_list_element *maintenancelist; | |
158 | ||
159 | /* Chain containing all defined "maintenance info" subcommands. */ | |
160 | ||
161 | struct cmd_list_element *maintenanceinfolist; | |
162 | ||
163 | /* Chain containing all defined "maintenance print" subcommands. */ | |
164 | ||
165 | struct cmd_list_element *maintenanceprintlist; | |
166 | ||
167 | struct cmd_list_element *setprintlist; | |
168 | ||
169 | struct cmd_list_element *showprintlist; | |
170 | ||
171 | struct cmd_list_element *setdebuglist; | |
172 | ||
173 | struct cmd_list_element *showdebuglist; | |
174 | ||
175 | struct cmd_list_element *setchecklist; | |
176 | ||
177 | struct cmd_list_element *showchecklist; | |
16026cd7 AS |
178 | |
179 | /* Command tracing state. */ | |
180 | ||
181 | int source_verbose = 0; | |
182 | int trace_commands = 0; | |
d318976c FN |
183 | \f |
184 | /* Utility used everywhere when at least one argument is needed and | |
185 | none is supplied. */ | |
186 | ||
187 | void | |
188 | error_no_arg (char *why) | |
189 | { | |
8a3fe4f8 | 190 | error (_("Argument required (%s)."), why); |
d318976c FN |
191 | } |
192 | ||
193 | /* The "info" command is defined as a prefix, with allow_unknown = 0. | |
194 | Therefore, its own definition is called only for "info" with no args. */ | |
195 | ||
d318976c FN |
196 | static void |
197 | info_command (char *arg, int from_tty) | |
198 | { | |
a3f17187 | 199 | printf_unfiltered (_("\"info\" must be followed by the name of an info command.\n")); |
d318976c FN |
200 | help_list (infolist, "info ", -1, gdb_stdout); |
201 | } | |
202 | ||
203 | /* The "show" command with no arguments shows all the settings. */ | |
204 | ||
d318976c FN |
205 | static void |
206 | show_command (char *arg, int from_tty) | |
207 | { | |
208 | cmd_show_list (showlist, from_tty, ""); | |
209 | } | |
210 | \f | |
211 | /* Provide documentation on command or list given by COMMAND. FROM_TTY | |
212 | is ignored. */ | |
213 | ||
d318976c FN |
214 | static void |
215 | help_command (char *command, int from_tty) | |
216 | { | |
217 | help_cmd (command, gdb_stdout); | |
218 | } | |
219 | \f | |
83d31a92 TT |
220 | /* String compare function for qsort. */ |
221 | static int | |
222 | compare_strings (const void *arg1, const void *arg2) | |
223 | { | |
224 | const char **s1 = (const char **) arg1; | |
225 | const char **s2 = (const char **) arg2; | |
226 | return strcmp (*s1, *s2); | |
227 | } | |
228 | ||
d318976c FN |
229 | /* The "complete" command is used by Emacs to implement completion. */ |
230 | ||
d318976c FN |
231 | static void |
232 | complete_command (char *arg, int from_tty) | |
233 | { | |
234 | int i; | |
235 | int argpoint; | |
d9b52655 | 236 | char **completions, *point, *arg_prefix; |
d318976c FN |
237 | |
238 | dont_repeat (); | |
239 | ||
240 | if (arg == NULL) | |
241 | arg = ""; | |
242 | argpoint = strlen (arg); | |
243 | ||
d9b52655 DJ |
244 | /* complete_line assumes that its first argument is somewhere within, |
245 | and except for filenames at the beginning of, the word to be completed. | |
246 | The following crude imitation of readline's word-breaking tries to | |
247 | accomodate this. */ | |
248 | point = arg + argpoint; | |
249 | while (point > arg) | |
250 | { | |
251 | if (strchr (rl_completer_word_break_characters, point[-1]) != 0) | |
252 | break; | |
253 | point--; | |
254 | } | |
255 | ||
256 | arg_prefix = alloca (point - arg + 1); | |
257 | memcpy (arg_prefix, arg, point - arg); | |
258 | arg_prefix[point - arg] = 0; | |
259 | ||
260 | completions = complete_line (point, arg, argpoint); | |
83d31a92 TT |
261 | |
262 | if (completions) | |
d318976c | 263 | { |
83d31a92 TT |
264 | int item, size; |
265 | ||
266 | for (size = 0; completions[size]; ++size) | |
267 | ; | |
268 | qsort (completions, size, sizeof (char *), compare_strings); | |
269 | ||
270 | /* We do extra processing here since we only want to print each | |
271 | unique item once. */ | |
272 | item = 0; | |
273 | while (item < size) | |
274 | { | |
275 | int next_item; | |
d9b52655 | 276 | printf_unfiltered ("%s%s\n", arg_prefix, completions[item]); |
83d31a92 TT |
277 | next_item = item + 1; |
278 | while (next_item < size | |
279 | && ! strcmp (completions[item], completions[next_item])) | |
280 | { | |
281 | xfree (completions[next_item]); | |
282 | ++next_item; | |
283 | } | |
284 | ||
285 | xfree (completions[item]); | |
286 | item = next_item; | |
287 | } | |
288 | ||
289 | xfree (completions); | |
d318976c FN |
290 | } |
291 | } | |
292 | ||
bbaca940 AC |
293 | int |
294 | is_complete_command (struct cmd_list_element *c) | |
d318976c | 295 | { |
bbaca940 | 296 | return cmd_cfunc_eq (c, complete_command); |
d318976c FN |
297 | } |
298 | ||
d318976c FN |
299 | static void |
300 | show_version (char *args, int from_tty) | |
301 | { | |
302 | immediate_quit++; | |
303 | print_gdb_version (gdb_stdout); | |
304 | printf_filtered ("\n"); | |
305 | immediate_quit--; | |
306 | } | |
307 | ||
308 | /* Handle the quit command. */ | |
309 | ||
310 | void | |
311 | quit_command (char *args, int from_tty) | |
312 | { | |
313 | if (!quit_confirm ()) | |
8a3fe4f8 | 314 | error (_("Not confirmed.")); |
d318976c FN |
315 | quit_force (args, from_tty); |
316 | } | |
317 | ||
d318976c FN |
318 | static void |
319 | pwd_command (char *args, int from_tty) | |
320 | { | |
321 | if (args) | |
8a3fe4f8 | 322 | error (_("The \"pwd\" command does not take an argument: %s"), args); |
d318976c FN |
323 | getcwd (gdb_dirbuf, sizeof (gdb_dirbuf)); |
324 | ||
6314a349 | 325 | if (strcmp (gdb_dirbuf, current_directory) != 0) |
a3f17187 | 326 | printf_unfiltered (_("Working directory %s\n (canonically %s).\n"), |
d318976c FN |
327 | current_directory, gdb_dirbuf); |
328 | else | |
a3f17187 | 329 | printf_unfiltered (_("Working directory %s.\n"), current_directory); |
d318976c FN |
330 | } |
331 | ||
332 | void | |
333 | cd_command (char *dir, int from_tty) | |
334 | { | |
335 | int len; | |
336 | /* Found something other than leading repetitions of "/..". */ | |
337 | int found_real_path; | |
338 | char *p; | |
339 | ||
340 | /* If the new directory is absolute, repeat is a no-op; if relative, | |
341 | repeat might be useful but is more likely to be a mistake. */ | |
342 | dont_repeat (); | |
343 | ||
344 | if (dir == 0) | |
e2e0b3e5 | 345 | error_no_arg (_("new working directory")); |
d318976c FN |
346 | |
347 | dir = tilde_expand (dir); | |
b8c9b27d | 348 | make_cleanup (xfree, dir); |
d318976c FN |
349 | |
350 | if (chdir (dir) < 0) | |
351 | perror_with_name (dir); | |
352 | ||
c3690141 | 353 | #ifdef HAVE_DOS_BASED_FILE_SYSTEM |
d318976c FN |
354 | /* There's too much mess with DOSish names like "d:", "d:.", |
355 | "d:./foo" etc. Instead of having lots of special #ifdef'ed code, | |
356 | simply get the canonicalized name of the current directory. */ | |
357 | dir = getcwd (gdb_dirbuf, sizeof (gdb_dirbuf)); | |
358 | #endif | |
359 | ||
360 | len = strlen (dir); | |
fe4e3eb8 | 361 | if (IS_DIR_SEPARATOR (dir[len - 1])) |
d318976c FN |
362 | { |
363 | /* Remove the trailing slash unless this is a root directory | |
364 | (including a drive letter on non-Unix systems). */ | |
365 | if (!(len == 1) /* "/" */ | |
c3690141 | 366 | #ifdef HAVE_DOS_BASED_FILE_SYSTEM |
fe4e3eb8 | 367 | && !(len == 3 && dir[1] == ':') /* "d:/" */ |
d318976c FN |
368 | #endif |
369 | ) | |
370 | len--; | |
371 | } | |
372 | ||
373 | dir = savestring (dir, len); | |
fe4e3eb8 | 374 | if (IS_ABSOLUTE_PATH (dir)) |
d318976c FN |
375 | current_directory = dir; |
376 | else | |
377 | { | |
fe4e3eb8 | 378 | if (IS_DIR_SEPARATOR (current_directory[strlen (current_directory) - 1])) |
1754f103 | 379 | current_directory = concat (current_directory, dir, (char *)NULL); |
d318976c | 380 | else |
1754f103 MK |
381 | current_directory = concat (current_directory, SLASH_STRING, |
382 | dir, (char *)NULL); | |
b8c9b27d | 383 | xfree (dir); |
d318976c FN |
384 | } |
385 | ||
386 | /* Now simplify any occurrences of `.' and `..' in the pathname. */ | |
387 | ||
388 | found_real_path = 0; | |
389 | for (p = current_directory; *p;) | |
390 | { | |
fe4e3eb8 EZ |
391 | if (IS_DIR_SEPARATOR (p[0]) && p[1] == '.' |
392 | && (p[2] == 0 || IS_DIR_SEPARATOR (p[2]))) | |
d318976c | 393 | strcpy (p, p + 2); |
fe4e3eb8 EZ |
394 | else if (IS_DIR_SEPARATOR (p[0]) && p[1] == '.' && p[2] == '.' |
395 | && (p[3] == 0 || IS_DIR_SEPARATOR (p[3]))) | |
d318976c FN |
396 | { |
397 | if (found_real_path) | |
398 | { | |
399 | /* Search backwards for the directory just before the "/.." | |
400 | and obliterate it and the "/..". */ | |
401 | char *q = p; | |
fe4e3eb8 | 402 | while (q != current_directory && !IS_DIR_SEPARATOR (q[-1])) |
d318976c FN |
403 | --q; |
404 | ||
405 | if (q == current_directory) | |
406 | /* current_directory is | |
407 | a relative pathname ("can't happen"--leave it alone). */ | |
408 | ++p; | |
409 | else | |
410 | { | |
411 | strcpy (q - 1, p + 3); | |
412 | p = q - 1; | |
413 | } | |
414 | } | |
415 | else | |
416 | /* We are dealing with leading repetitions of "/..", for example | |
417 | "/../..", which is the Mach super-root. */ | |
418 | p += 3; | |
419 | } | |
420 | else | |
421 | { | |
422 | found_real_path = 1; | |
423 | ++p; | |
424 | } | |
425 | } | |
426 | ||
427 | forget_cached_source_info (); | |
428 | ||
429 | if (from_tty) | |
430 | pwd_command ((char *) 0, 1); | |
431 | } | |
432 | \f | |
433 | void | |
16026cd7 | 434 | source_script (char *file, int from_tty) |
d318976c FN |
435 | { |
436 | FILE *stream; | |
437 | struct cleanup *old_cleanups; | |
4b505b12 AS |
438 | char *full_pathname = NULL; |
439 | int fd; | |
d318976c | 440 | |
16026cd7 | 441 | if (file == NULL || *file == 0) |
d318976c | 442 | { |
16026cd7 | 443 | error (_("source command requires file name of file to source.")); |
d318976c FN |
444 | } |
445 | ||
446 | file = tilde_expand (file); | |
b8c9b27d | 447 | old_cleanups = make_cleanup (xfree, file); |
d318976c | 448 | |
4b505b12 AS |
449 | /* Search for and open 'file' on the search path used for source |
450 | files. Put the full location in 'full_pathname'. */ | |
451 | fd = openp (source_path, OPF_TRY_CWD_FIRST, | |
452 | file, O_RDONLY, 0, &full_pathname); | |
b03a6ea4 | 453 | make_cleanup (xfree, full_pathname); |
4b505b12 AS |
454 | |
455 | /* Use the full path name, if it is found. */ | |
456 | if (full_pathname != NULL && fd != -1) | |
457 | { | |
458 | file = full_pathname; | |
459 | } | |
460 | ||
461 | if (fd == -1) | |
d318976c FN |
462 | { |
463 | if (from_tty) | |
464 | perror_with_name (file); | |
465 | else | |
b03a6ea4 TT |
466 | { |
467 | do_cleanups (old_cleanups); | |
468 | return; | |
469 | } | |
d318976c FN |
470 | } |
471 | ||
4b505b12 | 472 | stream = fdopen (fd, FOPEN_RT); |
d318976c FN |
473 | script_from_file (stream, file); |
474 | ||
475 | do_cleanups (old_cleanups); | |
476 | } | |
477 | ||
16026cd7 AS |
478 | /* Return the source_verbose global variable to its previous state |
479 | on exit from the source command, by whatever means. */ | |
480 | static void | |
481 | source_verbose_cleanup (void *old_value) | |
482 | { | |
483 | source_verbose = *(int *)old_value; | |
484 | xfree (old_value); | |
485 | } | |
486 | ||
487 | static void | |
488 | source_command (char *args, int from_tty) | |
489 | { | |
490 | struct cleanup *old_cleanups; | |
491 | char *file = args; | |
492 | int *old_source_verbose = xmalloc (sizeof(int)); | |
493 | ||
494 | *old_source_verbose = source_verbose; | |
495 | old_cleanups = make_cleanup (source_verbose_cleanup, old_source_verbose); | |
496 | ||
497 | /* -v causes the source command to run in verbose mode. | |
498 | We still have to be able to handle filenames with spaces in a | |
499 | backward compatible way, so buildargv is not appropriate. */ | |
500 | ||
501 | if (args) | |
502 | { | |
503 | /* Make sure leading white space does not break the comparisons. */ | |
504 | while (isspace(args[0])) | |
505 | args++; | |
506 | ||
507 | /* Is -v the first thing in the string? */ | |
508 | if (args[0] == '-' && args[1] == 'v' && isspace (args[2])) | |
509 | { | |
510 | source_verbose = 1; | |
511 | ||
512 | /* Trim -v and whitespace from the filename. */ | |
513 | file = &args[3]; | |
514 | while (isspace (file[0])) | |
515 | file++; | |
516 | } | |
517 | } | |
518 | ||
8944021f | 519 | source_script (file, from_tty); |
16026cd7 AS |
520 | } |
521 | ||
522 | ||
d318976c FN |
523 | static void |
524 | echo_command (char *text, int from_tty) | |
525 | { | |
526 | char *p = text; | |
d5b5ac79 | 527 | int c; |
d318976c FN |
528 | |
529 | if (text) | |
530 | while ((c = *p++) != '\0') | |
531 | { | |
532 | if (c == '\\') | |
533 | { | |
534 | /* \ at end of argument is used after spaces | |
535 | so they won't be lost. */ | |
536 | if (*p == 0) | |
537 | return; | |
538 | ||
539 | c = parse_escape (&p); | |
540 | if (c >= 0) | |
541 | printf_filtered ("%c", c); | |
542 | } | |
543 | else | |
544 | printf_filtered ("%c", c); | |
545 | } | |
546 | ||
547 | /* Force this output to appear now. */ | |
548 | wrap_here (""); | |
549 | gdb_flush (gdb_stdout); | |
550 | } | |
551 | ||
d318976c FN |
552 | static void |
553 | shell_escape (char *arg, int from_tty) | |
554 | { | |
9b265ec2 MM |
555 | #if defined(CANT_FORK) || \ |
556 | (!defined(HAVE_WORKING_VFORK) && !defined(HAVE_WORKING_FORK)) | |
d318976c FN |
557 | /* If ARG is NULL, they want an inferior shell, but `system' just |
558 | reports if the shell is available when passed a NULL arg. */ | |
559 | int rc = system (arg ? arg : ""); | |
560 | ||
561 | if (!arg) | |
562 | arg = "inferior shell"; | |
563 | ||
564 | if (rc == -1) | |
565 | { | |
566 | fprintf_unfiltered (gdb_stderr, "Cannot execute %s: %s\n", arg, | |
567 | safe_strerror (errno)); | |
568 | gdb_flush (gdb_stderr); | |
569 | } | |
570 | else if (rc) | |
571 | { | |
572 | fprintf_unfiltered (gdb_stderr, "%s exited with status %d\n", arg, rc); | |
573 | gdb_flush (gdb_stderr); | |
574 | } | |
2584159e | 575 | #ifdef GLOBAL_CURDIR |
d318976c FN |
576 | /* Make sure to return to the directory GDB thinks it is, in case the |
577 | shell command we just ran changed it. */ | |
578 | chdir (current_directory); | |
579 | #endif | |
580 | #else /* Can fork. */ | |
581 | int rc, status, pid; | |
d318976c | 582 | |
325ed089 | 583 | if ((pid = vfork ()) == 0) |
d318976c | 584 | { |
30e94205 DJ |
585 | char *p, *user_shell; |
586 | ||
587 | if ((user_shell = (char *) getenv ("SHELL")) == NULL) | |
588 | user_shell = "/bin/sh"; | |
589 | ||
590 | /* Get the name of the shell for arg0 */ | |
591 | if ((p = strrchr (user_shell, '/')) == NULL) | |
592 | p = user_shell; | |
593 | else | |
594 | p++; /* Get past '/' */ | |
595 | ||
d318976c | 596 | if (!arg) |
36662fde | 597 | execl (user_shell, p, (char *) 0); |
d318976c | 598 | else |
36662fde | 599 | execl (user_shell, p, "-c", arg, (char *) 0); |
d318976c FN |
600 | |
601 | fprintf_unfiltered (gdb_stderr, "Cannot execute %s: %s\n", user_shell, | |
602 | safe_strerror (errno)); | |
603 | gdb_flush (gdb_stderr); | |
604 | _exit (0177); | |
605 | } | |
606 | ||
607 | if (pid != -1) | |
608 | while ((rc = wait (&status)) != pid && rc != -1) | |
609 | ; | |
610 | else | |
8a3fe4f8 | 611 | error (_("Fork failed")); |
d318976c FN |
612 | #endif /* Can fork. */ |
613 | } | |
614 | ||
0378c332 FN |
615 | static void |
616 | edit_command (char *arg, int from_tty) | |
617 | { | |
618 | struct symtabs_and_lines sals; | |
619 | struct symtab_and_line sal; | |
620 | struct symbol *sym; | |
621 | char *arg1; | |
0378c332 | 622 | char *editor; |
a955ca71 | 623 | char *p, *fn; |
0378c332 | 624 | |
d5529a84 | 625 | /* Pull in the current default source line if necessary. */ |
0378c332 | 626 | if (arg == 0) |
53cb0458 FN |
627 | { |
628 | set_default_source_symtab_and_line (); | |
629 | sal = get_current_source_symtab_and_line (); | |
630 | } | |
0378c332 FN |
631 | |
632 | /* bare "edit" edits file with present line. */ | |
633 | ||
634 | if (arg == 0) | |
635 | { | |
636 | if (sal.symtab == 0) | |
8a3fe4f8 | 637 | error (_("No default source file yet.")); |
0378c332 FN |
638 | sal.line += get_lines_to_list () / 2; |
639 | } | |
640 | else | |
641 | { | |
642 | ||
d5529a84 | 643 | /* Now should only be one argument -- decode it in SAL. */ |
0378c332 FN |
644 | |
645 | arg1 = arg; | |
68219205 | 646 | sals = decode_line_1 (&arg1, 0, 0, 0, 0, 0); |
0378c332 | 647 | |
d5529a84 TT |
648 | if (! sals.nelts) |
649 | { | |
650 | /* C++ */ | |
651 | return; | |
652 | } | |
653 | if (sals.nelts > 1) | |
654 | { | |
655 | ambiguous_line_spec (&sals); | |
656 | xfree (sals.sals); | |
657 | return; | |
658 | } | |
0378c332 FN |
659 | |
660 | sal = sals.sals[0]; | |
661 | xfree (sals.sals); | |
662 | ||
663 | if (*arg1) | |
8a3fe4f8 | 664 | error (_("Junk at end of line specification.")); |
0378c332 | 665 | |
d5529a84 | 666 | /* If line was specified by address, |
0378c332 FN |
667 | first print exactly which line, and which file. |
668 | In this case, sal.symtab == 0 means address is outside | |
669 | of all known source files, not that user failed to give a filename. */ | |
670 | if (*arg == '*') | |
671 | { | |
672 | if (sal.symtab == 0) | |
673 | /* FIXME-32x64--assumes sal.pc fits in long. */ | |
8a3fe4f8 | 674 | error (_("No source file for address %s."), |
bb599908 | 675 | hex_string ((unsigned long) sal.pc)); |
0378c332 FN |
676 | sym = find_pc_function (sal.pc); |
677 | if (sym) | |
50ee7535 MD |
678 | printf_filtered ("%s is in %s (%s:%d).\n", paddress (sal.pc), |
679 | SYMBOL_PRINT_NAME (sym), sal.symtab->filename, | |
680 | sal.line); | |
0378c332 | 681 | else |
50ee7535 MD |
682 | printf_filtered ("%s is at %s:%d.\n", paddress (sal.pc), |
683 | sal.symtab->filename, sal.line); | |
0378c332 FN |
684 | } |
685 | ||
686 | /* If what was given does not imply a symtab, it must be an undebuggable | |
687 | symbol which means no source code. */ | |
688 | ||
689 | if (sal.symtab == 0) | |
8a3fe4f8 | 690 | error (_("No line number known for %s."), arg); |
0378c332 FN |
691 | } |
692 | ||
693 | if ((editor = (char *) getenv ("EDITOR")) == NULL) | |
694 | editor = "/bin/ex"; | |
a955ca71 | 695 | |
a955ca71 EZ |
696 | /* If we don't already know the full absolute file name of the |
697 | source file, find it now. */ | |
698 | if (!sal.symtab->fullname) | |
699 | { | |
700 | fn = symtab_to_fullname (sal.symtab); | |
701 | if (!fn) | |
702 | fn = "unknown"; | |
703 | } | |
704 | else | |
705 | fn = sal.symtab->fullname; | |
0378c332 | 706 | |
a955ca71 EZ |
707 | /* Quote the file name, in case it has whitespace or other special |
708 | characters. */ | |
709 | p = xstrprintf ("%s +%d \"%s\"", editor, sal.line, fn); | |
d5529a84 TT |
710 | shell_escape (p, from_tty); |
711 | xfree (p); | |
0378c332 FN |
712 | } |
713 | ||
714 | static void | |
715 | list_command (char *arg, int from_tty) | |
716 | { | |
717 | struct symtabs_and_lines sals, sals_end; | |
245c7f48 DJ |
718 | struct symtab_and_line sal = { 0 }; |
719 | struct symtab_and_line sal_end = { 0 }; | |
720 | struct symtab_and_line cursal = { 0 }; | |
0378c332 FN |
721 | struct symbol *sym; |
722 | char *arg1; | |
723 | int no_end = 1; | |
724 | int dummy_end = 0; | |
725 | int dummy_beg = 0; | |
726 | int linenum_beg = 0; | |
727 | char *p; | |
728 | ||
729 | /* Pull in the current default source line if necessary */ | |
730 | if (arg == 0 || arg[0] == '+' || arg[0] == '-') | |
53cb0458 FN |
731 | { |
732 | set_default_source_symtab_and_line (); | |
733 | cursal = get_current_source_symtab_and_line (); | |
734 | } | |
0378c332 FN |
735 | |
736 | /* "l" or "l +" lists next ten lines. */ | |
737 | ||
6314a349 | 738 | if (arg == 0 || strcmp (arg, "+") == 0) |
0378c332 FN |
739 | { |
740 | print_source_lines (cursal.symtab, cursal.line, | |
741 | cursal.line + get_lines_to_list (), 0); | |
742 | return; | |
743 | } | |
744 | ||
745 | /* "l -" lists previous ten lines, the ones before the ten just listed. */ | |
6314a349 | 746 | if (strcmp (arg, "-") == 0) |
0378c332 FN |
747 | { |
748 | print_source_lines (cursal.symtab, | |
749 | max (get_first_line_listed () - get_lines_to_list (), 1), | |
750 | get_first_line_listed (), 0); | |
751 | return; | |
752 | } | |
753 | ||
754 | /* Now if there is only one argument, decode it in SAL | |
755 | and set NO_END. | |
756 | If there are two arguments, decode them in SAL and SAL_END | |
757 | and clear NO_END; however, if one of the arguments is blank, | |
758 | set DUMMY_BEG or DUMMY_END to record that fact. */ | |
759 | ||
760 | if (!have_full_symbols () && !have_partial_symbols ()) | |
8a3fe4f8 | 761 | error (_("No symbol table is loaded. Use the \"file\" command.")); |
0378c332 FN |
762 | |
763 | arg1 = arg; | |
764 | if (*arg1 == ',') | |
765 | dummy_beg = 1; | |
766 | else | |
767 | { | |
68219205 | 768 | sals = decode_line_1 (&arg1, 0, 0, 0, 0, 0); |
0378c332 FN |
769 | |
770 | if (!sals.nelts) | |
771 | return; /* C++ */ | |
772 | if (sals.nelts > 1) | |
773 | { | |
774 | ambiguous_line_spec (&sals); | |
775 | xfree (sals.sals); | |
776 | return; | |
777 | } | |
778 | ||
779 | sal = sals.sals[0]; | |
780 | xfree (sals.sals); | |
781 | } | |
782 | ||
783 | /* Record whether the BEG arg is all digits. */ | |
784 | ||
785 | for (p = arg; p != arg1 && *p >= '0' && *p <= '9'; p++); | |
786 | linenum_beg = (p == arg1); | |
787 | ||
788 | while (*arg1 == ' ' || *arg1 == '\t') | |
789 | arg1++; | |
790 | if (*arg1 == ',') | |
791 | { | |
792 | no_end = 0; | |
793 | arg1++; | |
794 | while (*arg1 == ' ' || *arg1 == '\t') | |
795 | arg1++; | |
796 | if (*arg1 == 0) | |
797 | dummy_end = 1; | |
798 | else | |
799 | { | |
800 | if (dummy_beg) | |
68219205 | 801 | sals_end = decode_line_1 (&arg1, 0, 0, 0, 0, 0); |
0378c332 | 802 | else |
68219205 | 803 | sals_end = decode_line_1 (&arg1, 0, sal.symtab, sal.line, 0, 0); |
0378c332 FN |
804 | if (sals_end.nelts == 0) |
805 | return; | |
806 | if (sals_end.nelts > 1) | |
807 | { | |
808 | ambiguous_line_spec (&sals_end); | |
809 | xfree (sals_end.sals); | |
810 | return; | |
811 | } | |
812 | sal_end = sals_end.sals[0]; | |
813 | xfree (sals_end.sals); | |
814 | } | |
815 | } | |
816 | ||
817 | if (*arg1) | |
8a3fe4f8 | 818 | error (_("Junk at end of line specification.")); |
0378c332 FN |
819 | |
820 | if (!no_end && !dummy_beg && !dummy_end | |
821 | && sal.symtab != sal_end.symtab) | |
8a3fe4f8 | 822 | error (_("Specified start and end are in different files.")); |
0378c332 | 823 | if (dummy_beg && dummy_end) |
8a3fe4f8 | 824 | error (_("Two empty args do not say what lines to list.")); |
0378c332 FN |
825 | |
826 | /* if line was specified by address, | |
827 | first print exactly which line, and which file. | |
828 | In this case, sal.symtab == 0 means address is outside | |
829 | of all known source files, not that user failed to give a filename. */ | |
830 | if (*arg == '*') | |
831 | { | |
832 | if (sal.symtab == 0) | |
833 | /* FIXME-32x64--assumes sal.pc fits in long. */ | |
8a3fe4f8 | 834 | error (_("No source file for address %s."), |
bb599908 | 835 | hex_string ((unsigned long) sal.pc)); |
0378c332 FN |
836 | sym = find_pc_function (sal.pc); |
837 | if (sym) | |
50ee7535 MD |
838 | printf_filtered ("%s is in %s (%s:%d).\n", |
839 | paddress (sal.pc), SYMBOL_PRINT_NAME (sym), | |
840 | sal.symtab->filename, sal.line); | |
0378c332 | 841 | else |
50ee7535 MD |
842 | printf_filtered ("%s is at %s:%d.\n", paddress (sal.pc), |
843 | sal.symtab->filename, sal.line); | |
0378c332 FN |
844 | } |
845 | ||
846 | /* If line was not specified by just a line number, | |
847 | and it does not imply a symtab, it must be an undebuggable symbol | |
848 | which means no source code. */ | |
849 | ||
850 | if (!linenum_beg && sal.symtab == 0) | |
8a3fe4f8 | 851 | error (_("No line number known for %s."), arg); |
0378c332 FN |
852 | |
853 | /* If this command is repeated with RET, | |
854 | turn it into the no-arg variant. */ | |
855 | ||
856 | if (from_tty) | |
857 | *arg = 0; | |
858 | ||
859 | if (dummy_beg && sal_end.symtab == 0) | |
8a3fe4f8 | 860 | error (_("No default source file yet. Do \"help list\".")); |
0378c332 FN |
861 | if (dummy_beg) |
862 | print_source_lines (sal_end.symtab, | |
863 | max (sal_end.line - (get_lines_to_list () - 1), 1), | |
864 | sal_end.line + 1, 0); | |
865 | else if (sal.symtab == 0) | |
8a3fe4f8 | 866 | error (_("No default source file yet. Do \"help list\".")); |
0378c332 FN |
867 | else if (no_end) |
868 | { | |
869 | int first_line = sal.line - get_lines_to_list () / 2; | |
870 | ||
871 | if (first_line < 1) first_line = 1; | |
872 | ||
873 | print_source_lines (sal.symtab, | |
874 | first_line, | |
875 | first_line + get_lines_to_list (), | |
876 | 0); | |
877 | } | |
878 | else | |
879 | print_source_lines (sal.symtab, sal.line, | |
880 | (dummy_end | |
881 | ? sal.line + get_lines_to_list () | |
882 | : sal_end.line + 1), | |
883 | 0); | |
884 | } | |
885 | ||
d14508fe DE |
886 | /* Subroutine of disassemble_command to simplify it. |
887 | Perform the disassembly. | |
888 | NAME is the name of the function if known, or NULL. | |
889 | [LOW,HIGH) are the range of addresses to disassemble. | |
890 | MIXED is non-zero to print source with the assembler. */ | |
891 | ||
892 | static void | |
893 | print_disassembly (const char *name, CORE_ADDR low, CORE_ADDR high, int mixed) | |
894 | { | |
895 | #if defined(TUI) | |
896 | if (!tui_is_window_visible (DISASSEM_WIN)) | |
897 | #endif | |
898 | { | |
899 | printf_filtered ("Dump of assembler code "); | |
900 | if (name != NULL) | |
901 | printf_filtered ("for function %s:\n", name); | |
902 | else | |
903 | printf_filtered ("from %s to %s:\n", paddress (low), paddress (high)); | |
904 | ||
905 | /* Dump the specified range. */ | |
906 | gdb_disassembly (uiout, 0, 0, mixed, -1, low, high); | |
907 | ||
908 | printf_filtered ("End of assembler dump.\n"); | |
909 | gdb_flush (gdb_stdout); | |
910 | } | |
911 | #if defined(TUI) | |
912 | else | |
913 | { | |
914 | tui_show_assembly (low); | |
915 | } | |
916 | #endif | |
917 | } | |
918 | ||
919 | /* Subroutine of disassemble_command to simplify it. | |
920 | Print a disassembly of the current function. | |
921 | MIXED is non-zero to print source with the assembler. */ | |
922 | ||
923 | static void | |
924 | disassemble_current_function (int mixed) | |
925 | { | |
926 | CORE_ADDR low, high, pc; | |
927 | char *name; | |
928 | ||
929 | pc = get_frame_pc (get_selected_frame (_("No frame selected."))); | |
930 | if (find_pc_partial_function (pc, &name, &low, &high) == 0) | |
931 | error (_("No function contains program counter for selected frame.")); | |
932 | #if defined(TUI) | |
933 | /* NOTE: cagney/2003-02-13 The `tui_active' was previously | |
934 | `tui_version'. */ | |
935 | if (tui_active) | |
936 | /* FIXME: cagney/2004-02-07: This should be an observer. */ | |
937 | low = tui_get_low_disassembly_address (low, pc); | |
938 | #endif | |
939 | low += gdbarch_deprecated_function_start_offset (current_gdbarch); | |
940 | ||
941 | print_disassembly (name, low, high, mixed); | |
942 | } | |
943 | ||
944 | /* Dump a specified section of assembly code. | |
945 | ||
946 | Usage: | |
947 | disassemble [/m] | |
948 | - dump the assembly code for the function of the current pc | |
949 | disassemble [/m] addr | |
950 | - dump the assembly code for the function at ADDR | |
951 | disassemble [/m] low high | |
952 | - dump the assembly code in the range [LOW,HIGH) | |
953 | ||
954 | A /m modifier will include source code with the assembly. */ | |
83c31e7d | 955 | |
83c31e7d FN |
956 | static void |
957 | disassemble_command (char *arg, int from_tty) | |
958 | { | |
959 | CORE_ADDR low, high; | |
960 | char *name; | |
961 | CORE_ADDR pc, pc_masked; | |
962 | char *space_index; | |
d14508fe | 963 | int mixed_source_and_assembly; |
83c31e7d FN |
964 | |
965 | name = NULL; | |
d14508fe DE |
966 | mixed_source_and_assembly = 0; |
967 | ||
968 | if (arg && *arg == '/') | |
83c31e7d | 969 | { |
d14508fe DE |
970 | ++arg; |
971 | ||
972 | if (*arg == '\0') | |
973 | error (_("Missing modifier.")); | |
974 | ||
975 | while (*arg && ! isspace (*arg)) | |
976 | { | |
977 | switch (*arg++) | |
978 | { | |
979 | case 'm': | |
980 | mixed_source_and_assembly = 1; | |
981 | break; | |
982 | default: | |
983 | error (_("Invalid disassembly modifier.")); | |
984 | } | |
985 | } | |
986 | ||
987 | while (isspace (*arg)) | |
988 | ++arg; | |
989 | } | |
990 | ||
991 | if (! arg || ! *arg) | |
992 | { | |
993 | disassemble_current_function (mixed_source_and_assembly); | |
994 | return; | |
83c31e7d | 995 | } |
d14508fe DE |
996 | |
997 | /* FIXME: 'twould be nice to allow spaces in the expression for the first | |
998 | arg. Allow comma separater too? */ | |
999 | ||
1000 | if (!(space_index = (char *) strchr (arg, ' '))) | |
83c31e7d FN |
1001 | { |
1002 | /* One argument. */ | |
1003 | pc = parse_and_eval_address (arg); | |
1004 | if (find_pc_partial_function (pc, &name, &low, &high) == 0) | |
8a3fe4f8 | 1005 | error (_("No function contains specified address.")); |
83c31e7d | 1006 | #if defined(TUI) |
021e7609 AC |
1007 | /* NOTE: cagney/2003-02-13 The `tui_active' was previously |
1008 | `tui_version'. */ | |
22940a24 AC |
1009 | if (tui_active) |
1010 | /* FIXME: cagney/2004-02-07: This should be an observer. */ | |
1011 | low = tui_get_low_disassembly_address (low, pc); | |
83c31e7d | 1012 | #endif |
cbf3b44a | 1013 | low += gdbarch_deprecated_function_start_offset (current_gdbarch); |
83c31e7d FN |
1014 | } |
1015 | else | |
1016 | { | |
1017 | /* Two arguments. */ | |
1018 | *space_index = '\0'; | |
1019 | low = parse_and_eval_address (arg); | |
1020 | high = parse_and_eval_address (space_index + 1); | |
1021 | } | |
1022 | ||
d14508fe | 1023 | print_disassembly (name, low, high, mixed_source_and_assembly); |
83c31e7d FN |
1024 | } |
1025 | ||
d318976c FN |
1026 | static void |
1027 | make_command (char *arg, int from_tty) | |
1028 | { | |
1029 | char *p; | |
1030 | ||
1031 | if (arg == 0) | |
1032 | p = "make"; | |
1033 | else | |
1034 | { | |
1035 | p = xmalloc (sizeof ("make ") + strlen (arg)); | |
1036 | strcpy (p, "make "); | |
1037 | strcpy (p + sizeof ("make ") - 1, arg); | |
1038 | } | |
1039 | ||
1040 | shell_escape (p, from_tty); | |
1041 | } | |
1042 | ||
d318976c FN |
1043 | static void |
1044 | show_user (char *args, int from_tty) | |
1045 | { | |
1046 | struct cmd_list_element *c; | |
1047 | extern struct cmd_list_element *cmdlist; | |
1048 | ||
1049 | if (args) | |
1050 | { | |
1051 | c = lookup_cmd (&args, cmdlist, "", 0, 1); | |
1052 | if (c->class != class_user) | |
8a3fe4f8 | 1053 | error (_("Not a user command.")); |
d318976c FN |
1054 | show_user_1 (c, gdb_stdout); |
1055 | } | |
1056 | else | |
1057 | { | |
1058 | for (c = cmdlist; c; c = c->next) | |
1059 | { | |
1060 | if (c->class == class_user) | |
1061 | show_user_1 (c, gdb_stdout); | |
1062 | } | |
1063 | } | |
1064 | } | |
1065 | ||
1066 | /* Search through names of commands and documentations for a certain | |
1067 | regular expression. | |
1068 | */ | |
1069 | void | |
1070 | apropos_command (char *searchstr, int from_tty) | |
1071 | { | |
1072 | extern struct cmd_list_element *cmdlist; /*This is the main command list*/ | |
1073 | regex_t pattern; | |
1074 | char *pattern_fastmap; | |
1075 | char errorbuffer[512]; | |
2e94c453 | 1076 | pattern_fastmap = xcalloc (256, sizeof (char)); |
d318976c | 1077 | if (searchstr == NULL) |
8a3fe4f8 | 1078 | error (_("REGEXP string is empty")); |
d318976c FN |
1079 | |
1080 | if (regcomp(&pattern,searchstr,REG_ICASE) == 0) | |
1081 | { | |
1082 | pattern.fastmap=pattern_fastmap; | |
1083 | re_compile_fastmap(&pattern); | |
1084 | apropos_cmd (gdb_stdout,cmdlist,&pattern,""); | |
1085 | } | |
1086 | else | |
1087 | { | |
1088 | regerror(regcomp(&pattern,searchstr,REG_ICASE),NULL,errorbuffer,512); | |
8a3fe4f8 | 1089 | error (_("Error in regular expression:%s"),errorbuffer); |
d318976c | 1090 | } |
2b5436af | 1091 | xfree (pattern_fastmap); |
d318976c FN |
1092 | } |
1093 | \f | |
0378c332 FN |
1094 | /* Print a list of files and line numbers which a user may choose from |
1095 | in order to list a function which was specified ambiguously (as with | |
1096 | `list classname::overloadedfuncname', for example). The vector in | |
1097 | SALS provides the filenames and line numbers. */ | |
1098 | ||
1099 | static void | |
1100 | ambiguous_line_spec (struct symtabs_and_lines *sals) | |
1101 | { | |
1102 | int i; | |
1103 | ||
1104 | for (i = 0; i < sals->nelts; ++i) | |
a3f17187 | 1105 | printf_filtered (_("file: \"%s\", line number: %d\n"), |
0378c332 FN |
1106 | sals->sals[i].symtab->filename, sals->sals[i].line); |
1107 | } | |
1108 | ||
d318976c FN |
1109 | static void |
1110 | set_debug (char *arg, int from_tty) | |
1111 | { | |
a3f17187 | 1112 | printf_unfiltered (_("\"set debug\" must be followed by the name of a print subcommand.\n")); |
d318976c FN |
1113 | help_list (setdebuglist, "set debug ", -1, gdb_stdout); |
1114 | } | |
1115 | ||
1116 | static void | |
1117 | show_debug (char *args, int from_tty) | |
1118 | { | |
1119 | cmd_show_list (showdebuglist, from_tty, ""); | |
1120 | } | |
1121 | ||
1122 | void | |
1123 | init_cmd_lists (void) | |
1124 | { | |
20f01a46 DH |
1125 | max_user_call_depth = 1024; |
1126 | ||
d318976c FN |
1127 | cmdlist = NULL; |
1128 | infolist = NULL; | |
1129 | enablelist = NULL; | |
1130 | disablelist = NULL; | |
1131 | togglelist = NULL; | |
1132 | stoplist = NULL; | |
1133 | deletelist = NULL; | |
f73adfeb | 1134 | detachlist = NULL; |
d318976c FN |
1135 | enablebreaklist = NULL; |
1136 | setlist = NULL; | |
1137 | unsetlist = NULL; | |
1138 | showlist = NULL; | |
1139 | sethistlist = NULL; | |
1140 | showhistlist = NULL; | |
1141 | unsethistlist = NULL; | |
1142 | maintenancelist = NULL; | |
1143 | maintenanceinfolist = NULL; | |
1144 | maintenanceprintlist = NULL; | |
1145 | setprintlist = NULL; | |
1146 | showprintlist = NULL; | |
1147 | setchecklist = NULL; | |
1148 | showchecklist = NULL; | |
1149 | } | |
1150 | ||
920d2a44 AC |
1151 | static void |
1152 | show_info_verbose (struct ui_file *file, int from_tty, | |
1153 | struct cmd_list_element *c, | |
1154 | const char *value) | |
1155 | { | |
1156 | if (info_verbose) | |
1157 | fprintf_filtered (file, _("\ | |
1158 | Verbose printing of informational messages is %s.\n"), value); | |
1159 | else | |
1160 | fprintf_filtered (file, _("Verbosity is %s.\n"), value); | |
1161 | } | |
1162 | ||
1163 | static void | |
1164 | show_history_expansion_p (struct ui_file *file, int from_tty, | |
1165 | struct cmd_list_element *c, const char *value) | |
1166 | { | |
1167 | fprintf_filtered (file, _("History expansion on command input is %s.\n"), | |
1168 | value); | |
1169 | } | |
1170 | ||
1171 | static void | |
1172 | show_baud_rate (struct ui_file *file, int from_tty, | |
1173 | struct cmd_list_element *c, const char *value) | |
1174 | { | |
1175 | fprintf_filtered (file, _("Baud rate for remote serial I/O is %s.\n"), | |
1176 | value); | |
1177 | } | |
1178 | ||
1179 | static void | |
1180 | show_remote_debug (struct ui_file *file, int from_tty, | |
1181 | struct cmd_list_element *c, const char *value) | |
1182 | { | |
1183 | fprintf_filtered (file, _("Debugging of remote protocol is %s.\n"), | |
1184 | value); | |
1185 | } | |
1186 | ||
1187 | static void | |
1188 | show_remote_timeout (struct ui_file *file, int from_tty, | |
1189 | struct cmd_list_element *c, const char *value) | |
1190 | { | |
1191 | fprintf_filtered (file, _("\ | |
1192 | Timeout limit to wait for target to respond is %s.\n"), | |
1193 | value); | |
1194 | } | |
1195 | ||
1196 | static void | |
1197 | show_max_user_call_depth (struct ui_file *file, int from_tty, | |
1198 | struct cmd_list_element *c, const char *value) | |
1199 | { | |
1200 | fprintf_filtered (file, _("\ | |
1201 | The max call depth for user-defined commands is %s.\n"), | |
1202 | value); | |
1203 | } | |
1204 | ||
d318976c FN |
1205 | \f |
1206 | void | |
1207 | init_cli_cmds (void) | |
1208 | { | |
1209 | struct cmd_list_element *c; | |
eaae3919 | 1210 | char *source_help_text; |
d318976c FN |
1211 | |
1212 | /* Define the classes of commands. | |
1213 | They will appear in the help list in the reverse of this order. */ | |
1214 | ||
1a966eab AC |
1215 | add_cmd ("internals", class_maintenance, NULL, _("\ |
1216 | Maintenance commands.\n\ | |
d318976c FN |
1217 | Some gdb commands are provided just for use by gdb maintainers.\n\ |
1218 | These commands are subject to frequent change, and may not be as\n\ | |
1a966eab | 1219 | well documented as user commands."), |
d318976c | 1220 | &cmdlist); |
1a966eab AC |
1221 | add_cmd ("obscure", class_obscure, NULL, _("Obscure features."), &cmdlist); |
1222 | add_cmd ("aliases", class_alias, NULL, _("Aliases of other commands."), &cmdlist); | |
1223 | add_cmd ("user-defined", class_user, NULL, _("\ | |
1224 | User-defined commands.\n\ | |
d318976c | 1225 | The commands in this class are those defined by the user.\n\ |
1a966eab AC |
1226 | Use the \"define\" command to define a command."), &cmdlist); |
1227 | add_cmd ("support", class_support, NULL, _("Support facilities."), &cmdlist); | |
d318976c | 1228 | if (!dbx_commands) |
1a966eab AC |
1229 | add_cmd ("status", class_info, NULL, _("Status inquiries."), &cmdlist); |
1230 | add_cmd ("files", class_files, NULL, _("Specifying and examining files."), | |
1231 | &cmdlist); | |
1232 | add_cmd ("breakpoints", class_breakpoint, NULL, | |
1233 | _("Making program stop at certain points."), &cmdlist); | |
1234 | add_cmd ("data", class_vars, NULL, _("Examining data."), &cmdlist); | |
1235 | add_cmd ("stack", class_stack, NULL, _("\ | |
1236 | Examining the stack.\n\ | |
d318976c FN |
1237 | The stack is made up of stack frames. Gdb assigns numbers to stack frames\n\ |
1238 | counting from zero for the innermost (currently executing) frame.\n\n\ | |
1239 | At any time gdb identifies one frame as the \"selected\" frame.\n\ | |
1240 | Variable lookups are done with respect to the selected frame.\n\ | |
1241 | When the program being debugged stops, gdb selects the innermost frame.\n\ | |
1a966eab | 1242 | The commands below can be used to select other frames by number or address."), |
d318976c | 1243 | &cmdlist); |
1a966eab | 1244 | add_cmd ("running", class_run, NULL, _("Running the program."), &cmdlist); |
d318976c FN |
1245 | |
1246 | /* Define general commands. */ | |
1247 | ||
700b53b1 | 1248 | c = add_com ("pwd", class_files, pwd_command, _("\ |
1bedd215 | 1249 | Print working directory. This is used for your program as well.")); |
4f8d22e3 PA |
1250 | set_cmd_no_selected_thread_ok (c); |
1251 | ||
1a966eab AC |
1252 | c = add_cmd ("cd", class_files, cd_command, _("\ |
1253 | Set working directory to DIR for debugger and program being debugged.\n\ | |
d318976c | 1254 | The change does not take effect for the program being debugged\n\ |
1a966eab | 1255 | until the next time it is started."), &cmdlist); |
5ba2abeb | 1256 | set_cmd_completer (c, filename_completer); |
d318976c | 1257 | |
1bedd215 AC |
1258 | add_com ("echo", class_support, echo_command, _("\ |
1259 | Print a constant string. Give string as argument.\n\ | |
d318976c FN |
1260 | C escape sequences may be used in the argument.\n\ |
1261 | No newline is added at the end of the argument;\n\ | |
1262 | use \"\\n\" if you want a newline to be printed.\n\ | |
1263 | Since leading and trailing whitespace are ignored in command arguments,\n\ | |
1264 | if you want to print some you must use \"\\\" before leading whitespace\n\ | |
1bedd215 AC |
1265 | to be printed or after trailing whitespace.")); |
1266 | add_com ("document", class_support, document_command, _("\ | |
1267 | Document a user-defined command.\n\ | |
d318976c | 1268 | Give command name as argument. Give documentation on following lines.\n\ |
1bedd215 AC |
1269 | End with a line of just \"end\".")); |
1270 | add_com ("define", class_support, define_command, _("\ | |
1271 | Define a new command name. Command name is argument.\n\ | |
d318976c FN |
1272 | Definition appears on following lines, one command per line.\n\ |
1273 | End with a line of just \"end\".\n\ | |
1274 | Use the \"document\" command to give documentation for the new command.\n\ | |
1bedd215 | 1275 | Commands defined in this way may have up to ten arguments.")); |
d318976c | 1276 | |
eaae3919 | 1277 | source_help_text = xstrprintf (_("\ |
1a966eab | 1278 | Read commands from a file named FILE.\n\ |
16026cd7 AS |
1279 | Optional -v switch (before the filename) causes each command in\n\ |
1280 | FILE to be echoed as it is executed.\n\ | |
eaae3919 | 1281 | Note that the file \"%s\" is read automatically in this way\n\ |
16026cd7 | 1282 | when GDB is started."), gdbinit); |
eaae3919 EZ |
1283 | c = add_cmd ("source", class_support, source_command, |
1284 | source_help_text, &cmdlist); | |
5ba2abeb | 1285 | set_cmd_completer (c, filename_completer); |
d318976c | 1286 | |
1bedd215 AC |
1287 | add_com ("quit", class_support, quit_command, _("Exit gdb.")); |
1288 | c = add_com ("help", class_support, help_command, | |
1289 | _("Print list of commands.")); | |
5ba2abeb | 1290 | set_cmd_completer (c, command_completer); |
4f8d22e3 | 1291 | set_cmd_no_selected_thread_ok (c); |
d318976c FN |
1292 | add_com_alias ("q", "quit", class_support, 1); |
1293 | add_com_alias ("h", "help", class_support, 1); | |
1294 | ||
5bf193a2 AC |
1295 | add_setshow_boolean_cmd ("verbose", class_support, &info_verbose, _("\ |
1296 | Set verbosity."), _("\ | |
1297 | Show verbosity."), NULL, | |
1298 | set_verbose, | |
920d2a44 | 1299 | show_info_verbose, |
5bf193a2 | 1300 | &setlist, &showlist); |
d318976c FN |
1301 | |
1302 | add_prefix_cmd ("history", class_support, set_history, | |
1bedd215 | 1303 | _("Generic command for setting command history parameters."), |
d318976c FN |
1304 | &sethistlist, "set history ", 0, &setlist); |
1305 | add_prefix_cmd ("history", class_support, show_history, | |
1bedd215 | 1306 | _("Generic command for showing command history parameters."), |
d318976c FN |
1307 | &showhistlist, "show history ", 0, &showlist); |
1308 | ||
5bf193a2 AC |
1309 | add_setshow_boolean_cmd ("expansion", no_class, &history_expansion_p, _("\ |
1310 | Set history expansion on command input."), _("\ | |
1311 | Show history expansion on command input."), _("\ | |
1312 | Without an argument, history expansion is enabled."), | |
1313 | NULL, | |
920d2a44 | 1314 | show_history_expansion_p, |
5bf193a2 | 1315 | &sethistlist, &showhistlist); |
d318976c | 1316 | |
700b53b1 | 1317 | c = add_prefix_cmd ("info", class_info, info_command, _("\ |
1bedd215 | 1318 | Generic command for showing things about the program being debugged."), |
700b53b1 | 1319 | &infolist, "info ", 0, &cmdlist); |
4f8d22e3 | 1320 | set_cmd_no_selected_thread_ok (c); |
d318976c FN |
1321 | add_com_alias ("i", "info", class_info, 1); |
1322 | ||
1323 | add_com ("complete", class_obscure, complete_command, | |
1bedd215 | 1324 | _("List the completions for the rest of the line as a command.")); |
d318976c | 1325 | |
700b53b1 TT |
1326 | c = add_prefix_cmd ("show", class_info, show_command, _("\ |
1327 | Generic command for showing things about the debugger."), | |
1328 | &showlist, "show ", 0, &cmdlist); | |
4f8d22e3 | 1329 | set_cmd_no_selected_thread_ok (c); |
d318976c | 1330 | /* Another way to get at the same thing. */ |
1bedd215 | 1331 | add_info ("set", show_command, _("Show all GDB settings.")); |
d318976c | 1332 | |
1a966eab AC |
1333 | add_cmd ("commands", no_class, show_commands, _("\ |
1334 | Show the history of commands you typed.\n\ | |
d318976c | 1335 | You can supply a command number to start with, or a `+' to start after\n\ |
1a966eab | 1336 | the previous command number shown."), |
d318976c FN |
1337 | &showlist); |
1338 | ||
1339 | add_cmd ("version", no_class, show_version, | |
1a966eab | 1340 | _("Show what version of GDB this is."), &showlist); |
d318976c | 1341 | |
1bedd215 AC |
1342 | add_com ("while", class_support, while_command, _("\ |
1343 | Execute nested commands WHILE the conditional expression is non zero.\n\ | |
d318976c FN |
1344 | The conditional expression must follow the word `while' and must in turn be\n\ |
1345 | followed by a new line. The nested commands must be entered one per line,\n\ | |
1bedd215 | 1346 | and should be terminated by the word `end'.")); |
d318976c | 1347 | |
1bedd215 AC |
1348 | add_com ("if", class_support, if_command, _("\ |
1349 | Execute nested commands once IF the conditional expression is non zero.\n\ | |
d318976c FN |
1350 | The conditional expression must follow the word `if' and must in turn be\n\ |
1351 | followed by a new line. The nested commands must be entered one per line,\n\ | |
1352 | and should be terminated by the word 'else' or `end'. If an else clause\n\ | |
1bedd215 | 1353 | is used, the same rules apply to its nested commands as to the first ones.")); |
d318976c FN |
1354 | |
1355 | /* If target is open when baud changes, it doesn't take effect until the | |
1356 | next open (I think, not sure). */ | |
85c07804 AC |
1357 | add_setshow_zinteger_cmd ("remotebaud", no_class, &baud_rate, _("\ |
1358 | Set baud rate for remote serial I/O."), _("\ | |
1359 | Show baud rate for remote serial I/O."), _("\ | |
d318976c | 1360 | This value is used to set the speed of the serial port when debugging\n\ |
85c07804 AC |
1361 | using remote targets."), |
1362 | NULL, | |
920d2a44 | 1363 | show_baud_rate, |
85c07804 AC |
1364 | &setlist, &showlist); |
1365 | ||
1366 | add_setshow_zinteger_cmd ("remote", no_class, &remote_debug, _("\ | |
1367 | Set debugging of remote protocol."), _("\ | |
1368 | Show debugging of remote protocol."), _("\ | |
d318976c | 1369 | When enabled, each packet sent or received with the remote target\n\ |
85c07804 AC |
1370 | is displayed."), |
1371 | NULL, | |
920d2a44 | 1372 | show_remote_debug, |
85c07804 | 1373 | &setdebuglist, &showdebuglist); |
d318976c | 1374 | |
c0d88b1b AC |
1375 | add_setshow_integer_cmd ("remotetimeout", no_class, &remote_timeout, _("\ |
1376 | Set timeout limit to wait for target to respond."), _("\ | |
1377 | Show timeout limit to wait for target to respond."), _("\ | |
d318976c | 1378 | This value is used to set the time limit for gdb to wait for a response\n\ |
c0d88b1b AC |
1379 | from the target."), |
1380 | NULL, | |
920d2a44 | 1381 | show_remote_timeout, |
c0d88b1b | 1382 | &setlist, &showlist); |
d318976c FN |
1383 | |
1384 | add_prefix_cmd ("debug", no_class, set_debug, | |
1bedd215 | 1385 | _("Generic command for setting gdb debugging flags"), |
d318976c FN |
1386 | &setdebuglist, "set debug ", 0, &setlist); |
1387 | ||
1388 | add_prefix_cmd ("debug", no_class, show_debug, | |
1bedd215 | 1389 | _("Generic command for showing gdb debugging flags"), |
d318976c FN |
1390 | &showdebuglist, "show debug ", 0, &showlist); |
1391 | ||
1bedd215 AC |
1392 | c = add_com ("shell", class_support, shell_escape, _("\ |
1393 | Execute the rest of the line as a shell command.\n\ | |
1394 | With no arguments, run an inferior shell.")); | |
5ba2abeb | 1395 | set_cmd_completer (c, filename_completer); |
d318976c | 1396 | |
1bedd215 AC |
1397 | c = add_com ("edit", class_files, edit_command, _("\ |
1398 | Edit specified file or function.\n\ | |
0378c332 | 1399 | With no argument, edits file containing most recent line listed.\n\ |
0378c332 FN |
1400 | Editing targets can be specified in these ways:\n\ |
1401 | FILE:LINENUM, to edit at that line in that file,\n\ | |
1402 | FUNCTION, to edit at the beginning of that function,\n\ | |
1403 | FILE:FUNCTION, to distinguish among like-named static functions.\n\ | |
1404 | *ADDRESS, to edit at the line containing that address.\n\ | |
1bedd215 | 1405 | Uses EDITOR environment variable contents as editor (or ex as default).")); |
0378c332 FN |
1406 | |
1407 | c->completer = location_completer; | |
1408 | ||
1bedd215 AC |
1409 | add_com ("list", class_files, list_command, _("\ |
1410 | List specified function or line.\n\ | |
0378c332 FN |
1411 | With no argument, lists ten more lines after or around previous listing.\n\ |
1412 | \"list -\" lists the ten lines before a previous ten-line listing.\n\ | |
1413 | One argument specifies a line, and ten lines are listed around that line.\n\ | |
1414 | Two arguments with comma between specify starting and ending lines to list.\n\ | |
0378c332 FN |
1415 | Lines can be specified in these ways:\n\ |
1416 | LINENUM, to list around that line in current file,\n\ | |
1417 | FILE:LINENUM, to list around that line in that file,\n\ | |
1418 | FUNCTION, to list around beginning of that function,\n\ | |
1419 | FILE:FUNCTION, to distinguish among like-named static functions.\n\ | |
1420 | *ADDRESS, to list around the line containing that address.\n\ | |
1bedd215 | 1421 | With two args if one is empty it stands for ten lines away from the other arg.")); |
0378c332 FN |
1422 | |
1423 | if (!xdb_commands) | |
1424 | add_com_alias ("l", "list", class_files, 1); | |
1425 | else | |
1426 | add_com_alias ("v", "list", class_files, 1); | |
1427 | ||
1428 | if (dbx_commands) | |
1429 | add_com_alias ("file", "list", class_files, 1); | |
1430 | ||
1bedd215 AC |
1431 | c = add_com ("disassemble", class_vars, disassemble_command, _("\ |
1432 | Disassemble a specified section of memory.\n\ | |
83c31e7d | 1433 | Default is the function surrounding the pc of the selected frame.\n\ |
d14508fe | 1434 | With a /m modifier, source lines are included (if available).\n\ |
83c31e7d | 1435 | With a single argument, the function surrounding that address is dumped.\n\ |
1bedd215 | 1436 | Two arguments are taken as a range of memory to dump.")); |
83c31e7d FN |
1437 | set_cmd_completer (c, location_completer); |
1438 | if (xdb_commands) | |
1439 | add_com_alias ("va", "disassemble", class_xdb, 0); | |
0378c332 | 1440 | |
d318976c FN |
1441 | /* NOTE: cagney/2000-03-20: Being able to enter ``(gdb) !ls'' would |
1442 | be a really useful feature. Unfortunately, the below wont do | |
1443 | this. Instead it adds support for the form ``(gdb) ! ls'' | |
1444 | (i.e. the space is required). If the ``!'' command below is | |
1445 | added the complains about no ``!'' command would be replaced by | |
1446 | complains about how the ``!'' command is broken :-) */ | |
1447 | if (xdb_commands) | |
1448 | add_com_alias ("!", "shell", class_support, 0); | |
1449 | ||
1bedd215 AC |
1450 | c = add_com ("make", class_support, make_command, _("\ |
1451 | Run the ``make'' program using the rest of the line as arguments.")); | |
5ba2abeb | 1452 | set_cmd_completer (c, filename_completer); |
1a966eab AC |
1453 | add_cmd ("user", no_class, show_user, _("\ |
1454 | Show definitions of user defined commands.\n\ | |
d318976c | 1455 | Argument is the name of the user defined command.\n\ |
1a966eab | 1456 | With no argument, show definitions of all user defined commands."), &showlist); |
1bedd215 AC |
1457 | add_com ("apropos", class_support, apropos_command, |
1458 | _("Search for commands matching a REGEXP")); | |
20f01a46 | 1459 | |
c0d88b1b AC |
1460 | add_setshow_integer_cmd ("max-user-call-depth", no_class, |
1461 | &max_user_call_depth, _("\ | |
1462 | Set the max call depth for user-defined commands."), _("\ | |
1463 | Show the max call depth for user-defined commands."), NULL, | |
1464 | NULL, | |
920d2a44 | 1465 | show_max_user_call_depth, |
c0d88b1b | 1466 | &setlist, &showlist); |
16026cd7 AS |
1467 | |
1468 | add_setshow_boolean_cmd ("trace-commands", no_class, &trace_commands, _("\ | |
1469 | Set tracing of GDB CLI commands."), _("\ | |
1470 | Show state of GDB CLI command tracing."), _("\ | |
1471 | When 'on', each command is displayed as it is executed."), | |
1472 | NULL, | |
1473 | NULL, | |
1474 | &setlist, &showlist); | |
d318976c | 1475 | } |