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" | |
13274fc3 | 22 | #include "arch-utils.h" |
dbda9972 AC |
23 | #include "readline/readline.h" |
24 | #include "readline/tilde.h" | |
d318976c FN |
25 | #include "completer.h" |
26 | #include "target.h" /* For baud_rate, remote_debug and remote_timeout */ | |
27 | #include "gdb_wait.h" /* For shell escape implementation */ | |
f77b92bf | 28 | #include "gdb_regex.h" /* Used by apropos_command */ |
5f8a3188 | 29 | #include "gdb_string.h" |
325ed089 | 30 | #include "gdb_vfork.h" |
0378c332 FN |
31 | #include "linespec.h" |
32 | #include "expression.h" | |
83c31e7d FN |
33 | #include "frame.h" |
34 | #include "value.h" | |
0378c332 | 35 | #include "language.h" |
fe4e3eb8 | 36 | #include "filenames.h" /* for DOSish file names */ |
0378c332 FN |
37 | #include "objfiles.h" |
38 | #include "source.h" | |
83c31e7d | 39 | #include "disasm.h" |
d318976c | 40 | |
d318976c | 41 | #include "ui-out.h" |
d318976c FN |
42 | |
43 | #include "top.h" | |
44 | #include "cli/cli-decode.h" | |
45 | #include "cli/cli-script.h" | |
46 | #include "cli/cli-setshow.h" | |
47 | #include "cli/cli-cmds.h" | |
48 | ||
6a83354a AC |
49 | #ifdef TUI |
50 | #include "tui/tui.h" /* For tui_active et.al. */ | |
51 | #endif | |
52 | ||
4b505b12 AS |
53 | #include <fcntl.h> |
54 | ||
0378c332 | 55 | /* Prototypes for local command functions */ |
d318976c FN |
56 | |
57 | static void complete_command (char *, int); | |
58 | ||
59 | static void echo_command (char *, int); | |
60 | ||
61 | static void pwd_command (char *, int); | |
62 | ||
63 | static void show_version (char *, int); | |
64 | ||
d318976c FN |
65 | static void help_command (char *, int); |
66 | ||
67 | static void show_command (char *, int); | |
68 | ||
69 | static void info_command (char *, int); | |
70 | ||
71 | static void show_debug (char *, int); | |
72 | ||
73 | static void set_debug (char *, int); | |
74 | ||
75 | static void show_user (char *, int); | |
76 | ||
77 | static void make_command (char *, int); | |
78 | ||
79 | static void shell_escape (char *, int); | |
80 | ||
0378c332 FN |
81 | static void edit_command (char *, int); |
82 | ||
83 | static void list_command (char *, int); | |
84 | ||
d318976c | 85 | void apropos_command (char *, int); |
0378c332 FN |
86 | |
87 | /* Prototypes for local utility functions */ | |
88 | ||
89 | static void ambiguous_line_spec (struct symtabs_and_lines *); | |
d318976c | 90 | \f |
20f01a46 DH |
91 | /* Limit the call depth of user-defined commands */ |
92 | int max_user_call_depth; | |
93 | ||
d318976c FN |
94 | /* Define all cmd_list_elements. */ |
95 | ||
96 | /* Chain containing all defined commands. */ | |
97 | ||
98 | struct cmd_list_element *cmdlist; | |
99 | ||
100 | /* Chain containing all defined info subcommands. */ | |
101 | ||
102 | struct cmd_list_element *infolist; | |
103 | ||
104 | /* Chain containing all defined enable subcommands. */ | |
105 | ||
106 | struct cmd_list_element *enablelist; | |
107 | ||
108 | /* Chain containing all defined disable subcommands. */ | |
109 | ||
110 | struct cmd_list_element *disablelist; | |
111 | ||
112 | /* Chain containing all defined toggle subcommands. */ | |
113 | ||
114 | struct cmd_list_element *togglelist; | |
115 | ||
116 | /* Chain containing all defined stop subcommands. */ | |
117 | ||
118 | struct cmd_list_element *stoplist; | |
119 | ||
120 | /* Chain containing all defined delete subcommands. */ | |
121 | ||
122 | struct cmd_list_element *deletelist; | |
123 | ||
f73adfeb AS |
124 | /* Chain containing all defined detach subcommands. */ |
125 | ||
126 | struct cmd_list_element *detachlist; | |
127 | ||
d318976c FN |
128 | /* Chain containing all defined "enable breakpoint" subcommands. */ |
129 | ||
130 | struct cmd_list_element *enablebreaklist; | |
131 | ||
132 | /* Chain containing all defined set subcommands */ | |
133 | ||
134 | struct cmd_list_element *setlist; | |
135 | ||
136 | /* Chain containing all defined unset subcommands */ | |
137 | ||
138 | struct cmd_list_element *unsetlist; | |
139 | ||
140 | /* Chain containing all defined show subcommands. */ | |
141 | ||
142 | struct cmd_list_element *showlist; | |
143 | ||
144 | /* Chain containing all defined \"set history\". */ | |
145 | ||
146 | struct cmd_list_element *sethistlist; | |
147 | ||
148 | /* Chain containing all defined \"show history\". */ | |
149 | ||
150 | struct cmd_list_element *showhistlist; | |
151 | ||
152 | /* Chain containing all defined \"unset history\". */ | |
153 | ||
154 | struct cmd_list_element *unsethistlist; | |
155 | ||
156 | /* Chain containing all defined maintenance subcommands. */ | |
157 | ||
158 | struct cmd_list_element *maintenancelist; | |
159 | ||
160 | /* Chain containing all defined "maintenance info" subcommands. */ | |
161 | ||
162 | struct cmd_list_element *maintenanceinfolist; | |
163 | ||
164 | /* Chain containing all defined "maintenance print" subcommands. */ | |
165 | ||
166 | struct cmd_list_element *maintenanceprintlist; | |
167 | ||
168 | struct cmd_list_element *setprintlist; | |
169 | ||
170 | struct cmd_list_element *showprintlist; | |
171 | ||
172 | struct cmd_list_element *setdebuglist; | |
173 | ||
174 | struct cmd_list_element *showdebuglist; | |
175 | ||
176 | struct cmd_list_element *setchecklist; | |
177 | ||
178 | struct cmd_list_element *showchecklist; | |
16026cd7 AS |
179 | |
180 | /* Command tracing state. */ | |
181 | ||
182 | int source_verbose = 0; | |
183 | int trace_commands = 0; | |
d318976c FN |
184 | \f |
185 | /* Utility used everywhere when at least one argument is needed and | |
186 | none is supplied. */ | |
187 | ||
188 | void | |
189 | error_no_arg (char *why) | |
190 | { | |
8a3fe4f8 | 191 | error (_("Argument required (%s)."), why); |
d318976c FN |
192 | } |
193 | ||
194 | /* The "info" command is defined as a prefix, with allow_unknown = 0. | |
195 | Therefore, its own definition is called only for "info" with no args. */ | |
196 | ||
d318976c FN |
197 | static void |
198 | info_command (char *arg, int from_tty) | |
199 | { | |
a3f17187 | 200 | printf_unfiltered (_("\"info\" must be followed by the name of an info command.\n")); |
d318976c FN |
201 | help_list (infolist, "info ", -1, gdb_stdout); |
202 | } | |
203 | ||
204 | /* The "show" command with no arguments shows all the settings. */ | |
205 | ||
d318976c FN |
206 | static void |
207 | show_command (char *arg, int from_tty) | |
208 | { | |
209 | cmd_show_list (showlist, from_tty, ""); | |
210 | } | |
211 | \f | |
212 | /* Provide documentation on command or list given by COMMAND. FROM_TTY | |
213 | is ignored. */ | |
214 | ||
d318976c FN |
215 | static void |
216 | help_command (char *command, int from_tty) | |
217 | { | |
218 | help_cmd (command, gdb_stdout); | |
219 | } | |
220 | \f | |
83d31a92 TT |
221 | /* String compare function for qsort. */ |
222 | static int | |
223 | compare_strings (const void *arg1, const void *arg2) | |
224 | { | |
225 | const char **s1 = (const char **) arg1; | |
226 | const char **s2 = (const char **) arg2; | |
227 | return strcmp (*s1, *s2); | |
228 | } | |
229 | ||
d318976c FN |
230 | /* The "complete" command is used by Emacs to implement completion. */ |
231 | ||
d318976c FN |
232 | static void |
233 | complete_command (char *arg, int from_tty) | |
234 | { | |
235 | int i; | |
236 | int argpoint; | |
d9b52655 | 237 | char **completions, *point, *arg_prefix; |
d318976c FN |
238 | |
239 | dont_repeat (); | |
240 | ||
241 | if (arg == NULL) | |
242 | arg = ""; | |
243 | argpoint = strlen (arg); | |
244 | ||
d9b52655 DJ |
245 | /* complete_line assumes that its first argument is somewhere within, |
246 | and except for filenames at the beginning of, the word to be completed. | |
247 | The following crude imitation of readline's word-breaking tries to | |
248 | accomodate this. */ | |
249 | point = arg + argpoint; | |
250 | while (point > arg) | |
251 | { | |
252 | if (strchr (rl_completer_word_break_characters, point[-1]) != 0) | |
253 | break; | |
254 | point--; | |
255 | } | |
256 | ||
257 | arg_prefix = alloca (point - arg + 1); | |
258 | memcpy (arg_prefix, arg, point - arg); | |
259 | arg_prefix[point - arg] = 0; | |
260 | ||
261 | completions = complete_line (point, arg, argpoint); | |
83d31a92 TT |
262 | |
263 | if (completions) | |
d318976c | 264 | { |
83d31a92 TT |
265 | int item, size; |
266 | ||
267 | for (size = 0; completions[size]; ++size) | |
268 | ; | |
269 | qsort (completions, size, sizeof (char *), compare_strings); | |
270 | ||
271 | /* We do extra processing here since we only want to print each | |
272 | unique item once. */ | |
273 | item = 0; | |
274 | while (item < size) | |
275 | { | |
276 | int next_item; | |
d9b52655 | 277 | printf_unfiltered ("%s%s\n", arg_prefix, completions[item]); |
83d31a92 TT |
278 | next_item = item + 1; |
279 | while (next_item < size | |
280 | && ! strcmp (completions[item], completions[next_item])) | |
281 | { | |
282 | xfree (completions[next_item]); | |
283 | ++next_item; | |
284 | } | |
285 | ||
286 | xfree (completions[item]); | |
287 | item = next_item; | |
288 | } | |
289 | ||
290 | xfree (completions); | |
d318976c FN |
291 | } |
292 | } | |
293 | ||
bbaca940 AC |
294 | int |
295 | is_complete_command (struct cmd_list_element *c) | |
d318976c | 296 | { |
bbaca940 | 297 | return cmd_cfunc_eq (c, complete_command); |
d318976c FN |
298 | } |
299 | ||
d318976c FN |
300 | static void |
301 | show_version (char *args, int from_tty) | |
302 | { | |
303 | immediate_quit++; | |
304 | print_gdb_version (gdb_stdout); | |
305 | printf_filtered ("\n"); | |
306 | immediate_quit--; | |
307 | } | |
308 | ||
309 | /* Handle the quit command. */ | |
310 | ||
311 | void | |
312 | quit_command (char *args, int from_tty) | |
313 | { | |
314 | if (!quit_confirm ()) | |
8a3fe4f8 | 315 | error (_("Not confirmed.")); |
d318976c FN |
316 | quit_force (args, from_tty); |
317 | } | |
318 | ||
d318976c FN |
319 | static void |
320 | pwd_command (char *args, int from_tty) | |
321 | { | |
322 | if (args) | |
8a3fe4f8 | 323 | error (_("The \"pwd\" command does not take an argument: %s"), args); |
bf1d7d9c JB |
324 | if (! getcwd (gdb_dirbuf, sizeof (gdb_dirbuf))) |
325 | error (_("Error finding name of working directory: %s"), | |
326 | safe_strerror (errno)); | |
d318976c | 327 | |
6314a349 | 328 | if (strcmp (gdb_dirbuf, current_directory) != 0) |
a3f17187 | 329 | printf_unfiltered (_("Working directory %s\n (canonically %s).\n"), |
d318976c FN |
330 | current_directory, gdb_dirbuf); |
331 | else | |
a3f17187 | 332 | printf_unfiltered (_("Working directory %s.\n"), current_directory); |
d318976c FN |
333 | } |
334 | ||
335 | void | |
336 | cd_command (char *dir, int from_tty) | |
337 | { | |
338 | int len; | |
339 | /* Found something other than leading repetitions of "/..". */ | |
340 | int found_real_path; | |
341 | char *p; | |
342 | ||
343 | /* If the new directory is absolute, repeat is a no-op; if relative, | |
344 | repeat might be useful but is more likely to be a mistake. */ | |
345 | dont_repeat (); | |
346 | ||
347 | if (dir == 0) | |
e2e0b3e5 | 348 | error_no_arg (_("new working directory")); |
d318976c FN |
349 | |
350 | dir = tilde_expand (dir); | |
b8c9b27d | 351 | make_cleanup (xfree, dir); |
d318976c FN |
352 | |
353 | if (chdir (dir) < 0) | |
354 | perror_with_name (dir); | |
355 | ||
c3690141 | 356 | #ifdef HAVE_DOS_BASED_FILE_SYSTEM |
d318976c FN |
357 | /* There's too much mess with DOSish names like "d:", "d:.", |
358 | "d:./foo" etc. Instead of having lots of special #ifdef'ed code, | |
359 | simply get the canonicalized name of the current directory. */ | |
360 | dir = getcwd (gdb_dirbuf, sizeof (gdb_dirbuf)); | |
361 | #endif | |
362 | ||
363 | len = strlen (dir); | |
fe4e3eb8 | 364 | if (IS_DIR_SEPARATOR (dir[len - 1])) |
d318976c FN |
365 | { |
366 | /* Remove the trailing slash unless this is a root directory | |
367 | (including a drive letter on non-Unix systems). */ | |
368 | if (!(len == 1) /* "/" */ | |
c3690141 | 369 | #ifdef HAVE_DOS_BASED_FILE_SYSTEM |
fe4e3eb8 | 370 | && !(len == 3 && dir[1] == ':') /* "d:/" */ |
d318976c FN |
371 | #endif |
372 | ) | |
373 | len--; | |
374 | } | |
375 | ||
376 | dir = savestring (dir, len); | |
fe4e3eb8 | 377 | if (IS_ABSOLUTE_PATH (dir)) |
d318976c FN |
378 | current_directory = dir; |
379 | else | |
380 | { | |
fe4e3eb8 | 381 | if (IS_DIR_SEPARATOR (current_directory[strlen (current_directory) - 1])) |
1754f103 | 382 | current_directory = concat (current_directory, dir, (char *)NULL); |
d318976c | 383 | else |
1754f103 MK |
384 | current_directory = concat (current_directory, SLASH_STRING, |
385 | dir, (char *)NULL); | |
b8c9b27d | 386 | xfree (dir); |
d318976c FN |
387 | } |
388 | ||
389 | /* Now simplify any occurrences of `.' and `..' in the pathname. */ | |
390 | ||
391 | found_real_path = 0; | |
392 | for (p = current_directory; *p;) | |
393 | { | |
fe4e3eb8 EZ |
394 | if (IS_DIR_SEPARATOR (p[0]) && p[1] == '.' |
395 | && (p[2] == 0 || IS_DIR_SEPARATOR (p[2]))) | |
d318976c | 396 | strcpy (p, p + 2); |
fe4e3eb8 EZ |
397 | else if (IS_DIR_SEPARATOR (p[0]) && p[1] == '.' && p[2] == '.' |
398 | && (p[3] == 0 || IS_DIR_SEPARATOR (p[3]))) | |
d318976c FN |
399 | { |
400 | if (found_real_path) | |
401 | { | |
402 | /* Search backwards for the directory just before the "/.." | |
403 | and obliterate it and the "/..". */ | |
404 | char *q = p; | |
fe4e3eb8 | 405 | while (q != current_directory && !IS_DIR_SEPARATOR (q[-1])) |
d318976c FN |
406 | --q; |
407 | ||
408 | if (q == current_directory) | |
409 | /* current_directory is | |
410 | a relative pathname ("can't happen"--leave it alone). */ | |
411 | ++p; | |
412 | else | |
413 | { | |
414 | strcpy (q - 1, p + 3); | |
415 | p = q - 1; | |
416 | } | |
417 | } | |
418 | else | |
419 | /* We are dealing with leading repetitions of "/..", for example | |
420 | "/../..", which is the Mach super-root. */ | |
421 | p += 3; | |
422 | } | |
423 | else | |
424 | { | |
425 | found_real_path = 1; | |
426 | ++p; | |
427 | } | |
428 | } | |
429 | ||
430 | forget_cached_source_info (); | |
431 | ||
432 | if (from_tty) | |
433 | pwd_command ((char *) 0, 1); | |
434 | } | |
435 | \f | |
436 | void | |
16026cd7 | 437 | source_script (char *file, int from_tty) |
d318976c FN |
438 | { |
439 | FILE *stream; | |
440 | struct cleanup *old_cleanups; | |
4b505b12 AS |
441 | char *full_pathname = NULL; |
442 | int fd; | |
d318976c | 443 | |
16026cd7 | 444 | if (file == NULL || *file == 0) |
d318976c | 445 | { |
16026cd7 | 446 | error (_("source command requires file name of file to source.")); |
d318976c FN |
447 | } |
448 | ||
449 | file = tilde_expand (file); | |
b8c9b27d | 450 | old_cleanups = make_cleanup (xfree, file); |
d318976c | 451 | |
4b505b12 AS |
452 | /* Search for and open 'file' on the search path used for source |
453 | files. Put the full location in 'full_pathname'. */ | |
454 | fd = openp (source_path, OPF_TRY_CWD_FIRST, | |
fbdebf46 | 455 | file, O_RDONLY, &full_pathname); |
b03a6ea4 | 456 | make_cleanup (xfree, full_pathname); |
4b505b12 AS |
457 | |
458 | /* Use the full path name, if it is found. */ | |
459 | if (full_pathname != NULL && fd != -1) | |
460 | { | |
461 | file = full_pathname; | |
462 | } | |
463 | ||
464 | if (fd == -1) | |
d318976c FN |
465 | { |
466 | if (from_tty) | |
467 | perror_with_name (file); | |
468 | else | |
b03a6ea4 TT |
469 | { |
470 | do_cleanups (old_cleanups); | |
471 | return; | |
472 | } | |
d318976c FN |
473 | } |
474 | ||
4b505b12 | 475 | stream = fdopen (fd, FOPEN_RT); |
d318976c FN |
476 | script_from_file (stream, file); |
477 | ||
478 | do_cleanups (old_cleanups); | |
479 | } | |
480 | ||
16026cd7 AS |
481 | /* Return the source_verbose global variable to its previous state |
482 | on exit from the source command, by whatever means. */ | |
483 | static void | |
484 | source_verbose_cleanup (void *old_value) | |
485 | { | |
486 | source_verbose = *(int *)old_value; | |
487 | xfree (old_value); | |
488 | } | |
489 | ||
490 | static void | |
491 | source_command (char *args, int from_tty) | |
492 | { | |
493 | struct cleanup *old_cleanups; | |
494 | char *file = args; | |
495 | int *old_source_verbose = xmalloc (sizeof(int)); | |
496 | ||
497 | *old_source_verbose = source_verbose; | |
498 | old_cleanups = make_cleanup (source_verbose_cleanup, old_source_verbose); | |
499 | ||
500 | /* -v causes the source command to run in verbose mode. | |
501 | We still have to be able to handle filenames with spaces in a | |
502 | backward compatible way, so buildargv is not appropriate. */ | |
503 | ||
504 | if (args) | |
505 | { | |
506 | /* Make sure leading white space does not break the comparisons. */ | |
507 | while (isspace(args[0])) | |
508 | args++; | |
509 | ||
510 | /* Is -v the first thing in the string? */ | |
511 | if (args[0] == '-' && args[1] == 'v' && isspace (args[2])) | |
512 | { | |
513 | source_verbose = 1; | |
514 | ||
515 | /* Trim -v and whitespace from the filename. */ | |
516 | file = &args[3]; | |
517 | while (isspace (file[0])) | |
518 | file++; | |
519 | } | |
520 | } | |
521 | ||
8944021f | 522 | source_script (file, from_tty); |
16026cd7 AS |
523 | } |
524 | ||
525 | ||
d318976c FN |
526 | static void |
527 | echo_command (char *text, int from_tty) | |
528 | { | |
529 | char *p = text; | |
d5b5ac79 | 530 | int c; |
d318976c FN |
531 | |
532 | if (text) | |
533 | while ((c = *p++) != '\0') | |
534 | { | |
535 | if (c == '\\') | |
536 | { | |
537 | /* \ at end of argument is used after spaces | |
538 | so they won't be lost. */ | |
539 | if (*p == 0) | |
540 | return; | |
541 | ||
542 | c = parse_escape (&p); | |
543 | if (c >= 0) | |
544 | printf_filtered ("%c", c); | |
545 | } | |
546 | else | |
547 | printf_filtered ("%c", c); | |
548 | } | |
549 | ||
550 | /* Force this output to appear now. */ | |
551 | wrap_here (""); | |
552 | gdb_flush (gdb_stdout); | |
553 | } | |
554 | ||
d318976c FN |
555 | static void |
556 | shell_escape (char *arg, int from_tty) | |
557 | { | |
9b265ec2 MM |
558 | #if defined(CANT_FORK) || \ |
559 | (!defined(HAVE_WORKING_VFORK) && !defined(HAVE_WORKING_FORK)) | |
d318976c FN |
560 | /* If ARG is NULL, they want an inferior shell, but `system' just |
561 | reports if the shell is available when passed a NULL arg. */ | |
562 | int rc = system (arg ? arg : ""); | |
563 | ||
564 | if (!arg) | |
565 | arg = "inferior shell"; | |
566 | ||
567 | if (rc == -1) | |
568 | { | |
569 | fprintf_unfiltered (gdb_stderr, "Cannot execute %s: %s\n", arg, | |
570 | safe_strerror (errno)); | |
571 | gdb_flush (gdb_stderr); | |
572 | } | |
573 | else if (rc) | |
574 | { | |
575 | fprintf_unfiltered (gdb_stderr, "%s exited with status %d\n", arg, rc); | |
576 | gdb_flush (gdb_stderr); | |
577 | } | |
2584159e | 578 | #ifdef GLOBAL_CURDIR |
d318976c FN |
579 | /* Make sure to return to the directory GDB thinks it is, in case the |
580 | shell command we just ran changed it. */ | |
581 | chdir (current_directory); | |
582 | #endif | |
583 | #else /* Can fork. */ | |
584 | int rc, status, pid; | |
d318976c | 585 | |
325ed089 | 586 | if ((pid = vfork ()) == 0) |
d318976c | 587 | { |
30e94205 DJ |
588 | char *p, *user_shell; |
589 | ||
590 | if ((user_shell = (char *) getenv ("SHELL")) == NULL) | |
591 | user_shell = "/bin/sh"; | |
592 | ||
593 | /* Get the name of the shell for arg0 */ | |
594 | if ((p = strrchr (user_shell, '/')) == NULL) | |
595 | p = user_shell; | |
596 | else | |
597 | p++; /* Get past '/' */ | |
598 | ||
d318976c | 599 | if (!arg) |
36662fde | 600 | execl (user_shell, p, (char *) 0); |
d318976c | 601 | else |
36662fde | 602 | execl (user_shell, p, "-c", arg, (char *) 0); |
d318976c FN |
603 | |
604 | fprintf_unfiltered (gdb_stderr, "Cannot execute %s: %s\n", user_shell, | |
605 | safe_strerror (errno)); | |
606 | gdb_flush (gdb_stderr); | |
607 | _exit (0177); | |
608 | } | |
609 | ||
610 | if (pid != -1) | |
611 | while ((rc = wait (&status)) != pid && rc != -1) | |
612 | ; | |
613 | else | |
8a3fe4f8 | 614 | error (_("Fork failed")); |
d318976c FN |
615 | #endif /* Can fork. */ |
616 | } | |
617 | ||
0378c332 FN |
618 | static void |
619 | edit_command (char *arg, int from_tty) | |
620 | { | |
621 | struct symtabs_and_lines sals; | |
622 | struct symtab_and_line sal; | |
623 | struct symbol *sym; | |
624 | char *arg1; | |
0378c332 | 625 | char *editor; |
a955ca71 | 626 | char *p, *fn; |
0378c332 | 627 | |
d5529a84 | 628 | /* Pull in the current default source line if necessary. */ |
0378c332 | 629 | if (arg == 0) |
53cb0458 FN |
630 | { |
631 | set_default_source_symtab_and_line (); | |
632 | sal = get_current_source_symtab_and_line (); | |
633 | } | |
0378c332 FN |
634 | |
635 | /* bare "edit" edits file with present line. */ | |
636 | ||
637 | if (arg == 0) | |
638 | { | |
639 | if (sal.symtab == 0) | |
8a3fe4f8 | 640 | error (_("No default source file yet.")); |
0378c332 FN |
641 | sal.line += get_lines_to_list () / 2; |
642 | } | |
643 | else | |
644 | { | |
645 | ||
d5529a84 | 646 | /* Now should only be one argument -- decode it in SAL. */ |
0378c332 FN |
647 | |
648 | arg1 = arg; | |
68219205 | 649 | sals = decode_line_1 (&arg1, 0, 0, 0, 0, 0); |
0378c332 | 650 | |
d5529a84 TT |
651 | if (! sals.nelts) |
652 | { | |
653 | /* C++ */ | |
654 | return; | |
655 | } | |
656 | if (sals.nelts > 1) | |
657 | { | |
658 | ambiguous_line_spec (&sals); | |
659 | xfree (sals.sals); | |
660 | return; | |
661 | } | |
0378c332 FN |
662 | |
663 | sal = sals.sals[0]; | |
664 | xfree (sals.sals); | |
665 | ||
666 | if (*arg1) | |
8a3fe4f8 | 667 | error (_("Junk at end of line specification.")); |
0378c332 | 668 | |
d5529a84 | 669 | /* If line was specified by address, |
0378c332 FN |
670 | first print exactly which line, and which file. |
671 | In this case, sal.symtab == 0 means address is outside | |
672 | of all known source files, not that user failed to give a filename. */ | |
673 | if (*arg == '*') | |
674 | { | |
675 | if (sal.symtab == 0) | |
676 | /* FIXME-32x64--assumes sal.pc fits in long. */ | |
8a3fe4f8 | 677 | error (_("No source file for address %s."), |
bb599908 | 678 | hex_string ((unsigned long) sal.pc)); |
0378c332 FN |
679 | sym = find_pc_function (sal.pc); |
680 | if (sym) | |
50ee7535 MD |
681 | printf_filtered ("%s is in %s (%s:%d).\n", paddress (sal.pc), |
682 | SYMBOL_PRINT_NAME (sym), sal.symtab->filename, | |
683 | sal.line); | |
0378c332 | 684 | else |
50ee7535 MD |
685 | printf_filtered ("%s is at %s:%d.\n", paddress (sal.pc), |
686 | sal.symtab->filename, sal.line); | |
0378c332 FN |
687 | } |
688 | ||
689 | /* If what was given does not imply a symtab, it must be an undebuggable | |
690 | symbol which means no source code. */ | |
691 | ||
692 | if (sal.symtab == 0) | |
8a3fe4f8 | 693 | error (_("No line number known for %s."), arg); |
0378c332 FN |
694 | } |
695 | ||
696 | if ((editor = (char *) getenv ("EDITOR")) == NULL) | |
697 | editor = "/bin/ex"; | |
a955ca71 | 698 | |
a955ca71 EZ |
699 | /* If we don't already know the full absolute file name of the |
700 | source file, find it now. */ | |
701 | if (!sal.symtab->fullname) | |
702 | { | |
703 | fn = symtab_to_fullname (sal.symtab); | |
704 | if (!fn) | |
705 | fn = "unknown"; | |
706 | } | |
707 | else | |
708 | fn = sal.symtab->fullname; | |
0378c332 | 709 | |
a955ca71 EZ |
710 | /* Quote the file name, in case it has whitespace or other special |
711 | characters. */ | |
712 | p = xstrprintf ("%s +%d \"%s\"", editor, sal.line, fn); | |
d5529a84 TT |
713 | shell_escape (p, from_tty); |
714 | xfree (p); | |
0378c332 FN |
715 | } |
716 | ||
717 | static void | |
718 | list_command (char *arg, int from_tty) | |
719 | { | |
720 | struct symtabs_and_lines sals, sals_end; | |
245c7f48 DJ |
721 | struct symtab_and_line sal = { 0 }; |
722 | struct symtab_and_line sal_end = { 0 }; | |
723 | struct symtab_and_line cursal = { 0 }; | |
0378c332 FN |
724 | struct symbol *sym; |
725 | char *arg1; | |
726 | int no_end = 1; | |
727 | int dummy_end = 0; | |
728 | int dummy_beg = 0; | |
729 | int linenum_beg = 0; | |
730 | char *p; | |
731 | ||
732 | /* Pull in the current default source line if necessary */ | |
733 | if (arg == 0 || arg[0] == '+' || arg[0] == '-') | |
53cb0458 FN |
734 | { |
735 | set_default_source_symtab_and_line (); | |
736 | cursal = get_current_source_symtab_and_line (); | |
737 | } | |
0378c332 FN |
738 | |
739 | /* "l" or "l +" lists next ten lines. */ | |
740 | ||
6314a349 | 741 | if (arg == 0 || strcmp (arg, "+") == 0) |
0378c332 FN |
742 | { |
743 | print_source_lines (cursal.symtab, cursal.line, | |
744 | cursal.line + get_lines_to_list (), 0); | |
745 | return; | |
746 | } | |
747 | ||
748 | /* "l -" lists previous ten lines, the ones before the ten just listed. */ | |
6314a349 | 749 | if (strcmp (arg, "-") == 0) |
0378c332 FN |
750 | { |
751 | print_source_lines (cursal.symtab, | |
752 | max (get_first_line_listed () - get_lines_to_list (), 1), | |
753 | get_first_line_listed (), 0); | |
754 | return; | |
755 | } | |
756 | ||
757 | /* Now if there is only one argument, decode it in SAL | |
758 | and set NO_END. | |
759 | If there are two arguments, decode them in SAL and SAL_END | |
760 | and clear NO_END; however, if one of the arguments is blank, | |
761 | set DUMMY_BEG or DUMMY_END to record that fact. */ | |
762 | ||
763 | if (!have_full_symbols () && !have_partial_symbols ()) | |
8a3fe4f8 | 764 | error (_("No symbol table is loaded. Use the \"file\" command.")); |
0378c332 FN |
765 | |
766 | arg1 = arg; | |
767 | if (*arg1 == ',') | |
768 | dummy_beg = 1; | |
769 | else | |
770 | { | |
68219205 | 771 | sals = decode_line_1 (&arg1, 0, 0, 0, 0, 0); |
0378c332 FN |
772 | |
773 | if (!sals.nelts) | |
774 | return; /* C++ */ | |
775 | if (sals.nelts > 1) | |
776 | { | |
777 | ambiguous_line_spec (&sals); | |
778 | xfree (sals.sals); | |
779 | return; | |
780 | } | |
781 | ||
782 | sal = sals.sals[0]; | |
783 | xfree (sals.sals); | |
784 | } | |
785 | ||
786 | /* Record whether the BEG arg is all digits. */ | |
787 | ||
788 | for (p = arg; p != arg1 && *p >= '0' && *p <= '9'; p++); | |
789 | linenum_beg = (p == arg1); | |
790 | ||
791 | while (*arg1 == ' ' || *arg1 == '\t') | |
792 | arg1++; | |
793 | if (*arg1 == ',') | |
794 | { | |
795 | no_end = 0; | |
796 | arg1++; | |
797 | while (*arg1 == ' ' || *arg1 == '\t') | |
798 | arg1++; | |
799 | if (*arg1 == 0) | |
800 | dummy_end = 1; | |
801 | else | |
802 | { | |
803 | if (dummy_beg) | |
68219205 | 804 | sals_end = decode_line_1 (&arg1, 0, 0, 0, 0, 0); |
0378c332 | 805 | else |
68219205 | 806 | sals_end = decode_line_1 (&arg1, 0, sal.symtab, sal.line, 0, 0); |
0378c332 FN |
807 | if (sals_end.nelts == 0) |
808 | return; | |
809 | if (sals_end.nelts > 1) | |
810 | { | |
811 | ambiguous_line_spec (&sals_end); | |
812 | xfree (sals_end.sals); | |
813 | return; | |
814 | } | |
815 | sal_end = sals_end.sals[0]; | |
816 | xfree (sals_end.sals); | |
817 | } | |
818 | } | |
819 | ||
820 | if (*arg1) | |
8a3fe4f8 | 821 | error (_("Junk at end of line specification.")); |
0378c332 FN |
822 | |
823 | if (!no_end && !dummy_beg && !dummy_end | |
824 | && sal.symtab != sal_end.symtab) | |
8a3fe4f8 | 825 | error (_("Specified start and end are in different files.")); |
0378c332 | 826 | if (dummy_beg && dummy_end) |
8a3fe4f8 | 827 | error (_("Two empty args do not say what lines to list.")); |
0378c332 FN |
828 | |
829 | /* if line was specified by address, | |
830 | first print exactly which line, and which file. | |
831 | In this case, sal.symtab == 0 means address is outside | |
832 | of all known source files, not that user failed to give a filename. */ | |
833 | if (*arg == '*') | |
834 | { | |
835 | if (sal.symtab == 0) | |
836 | /* FIXME-32x64--assumes sal.pc fits in long. */ | |
8a3fe4f8 | 837 | error (_("No source file for address %s."), |
bb599908 | 838 | hex_string ((unsigned long) sal.pc)); |
0378c332 FN |
839 | sym = find_pc_function (sal.pc); |
840 | if (sym) | |
50ee7535 MD |
841 | printf_filtered ("%s is in %s (%s:%d).\n", |
842 | paddress (sal.pc), SYMBOL_PRINT_NAME (sym), | |
843 | sal.symtab->filename, sal.line); | |
0378c332 | 844 | else |
50ee7535 MD |
845 | printf_filtered ("%s is at %s:%d.\n", paddress (sal.pc), |
846 | sal.symtab->filename, sal.line); | |
0378c332 FN |
847 | } |
848 | ||
849 | /* If line was not specified by just a line number, | |
850 | and it does not imply a symtab, it must be an undebuggable symbol | |
851 | which means no source code. */ | |
852 | ||
853 | if (!linenum_beg && sal.symtab == 0) | |
8a3fe4f8 | 854 | error (_("No line number known for %s."), arg); |
0378c332 FN |
855 | |
856 | /* If this command is repeated with RET, | |
857 | turn it into the no-arg variant. */ | |
858 | ||
859 | if (from_tty) | |
860 | *arg = 0; | |
861 | ||
862 | if (dummy_beg && sal_end.symtab == 0) | |
8a3fe4f8 | 863 | error (_("No default source file yet. Do \"help list\".")); |
0378c332 FN |
864 | if (dummy_beg) |
865 | print_source_lines (sal_end.symtab, | |
866 | max (sal_end.line - (get_lines_to_list () - 1), 1), | |
867 | sal_end.line + 1, 0); | |
868 | else if (sal.symtab == 0) | |
8a3fe4f8 | 869 | error (_("No default source file yet. Do \"help list\".")); |
0378c332 FN |
870 | else if (no_end) |
871 | { | |
872 | int first_line = sal.line - get_lines_to_list () / 2; | |
873 | ||
874 | if (first_line < 1) first_line = 1; | |
875 | ||
876 | print_source_lines (sal.symtab, | |
877 | first_line, | |
878 | first_line + get_lines_to_list (), | |
879 | 0); | |
880 | } | |
881 | else | |
882 | print_source_lines (sal.symtab, sal.line, | |
883 | (dummy_end | |
884 | ? sal.line + get_lines_to_list () | |
885 | : sal_end.line + 1), | |
886 | 0); | |
887 | } | |
888 | ||
d14508fe DE |
889 | /* Subroutine of disassemble_command to simplify it. |
890 | Perform the disassembly. | |
891 | NAME is the name of the function if known, or NULL. | |
892 | [LOW,HIGH) are the range of addresses to disassemble. | |
893 | MIXED is non-zero to print source with the assembler. */ | |
894 | ||
895 | static void | |
13274fc3 UW |
896 | print_disassembly (struct gdbarch *gdbarch, const char *name, |
897 | CORE_ADDR low, CORE_ADDR high, int mixed) | |
d14508fe DE |
898 | { |
899 | #if defined(TUI) | |
900 | if (!tui_is_window_visible (DISASSEM_WIN)) | |
901 | #endif | |
902 | { | |
903 | printf_filtered ("Dump of assembler code "); | |
904 | if (name != NULL) | |
905 | printf_filtered ("for function %s:\n", name); | |
906 | else | |
907 | printf_filtered ("from %s to %s:\n", paddress (low), paddress (high)); | |
908 | ||
909 | /* Dump the specified range. */ | |
13274fc3 | 910 | gdb_disassembly (gdbarch, uiout, 0, mixed, -1, low, high); |
d14508fe DE |
911 | |
912 | printf_filtered ("End of assembler dump.\n"); | |
913 | gdb_flush (gdb_stdout); | |
914 | } | |
915 | #if defined(TUI) | |
916 | else | |
917 | { | |
13274fc3 | 918 | tui_show_assembly (gdbarch, low); |
d14508fe DE |
919 | } |
920 | #endif | |
921 | } | |
922 | ||
923 | /* Subroutine of disassemble_command to simplify it. | |
924 | Print a disassembly of the current function. | |
925 | MIXED is non-zero to print source with the assembler. */ | |
926 | ||
927 | static void | |
928 | disassemble_current_function (int mixed) | |
929 | { | |
13274fc3 UW |
930 | struct frame_info *frame; |
931 | struct gdbarch *gdbarch; | |
d14508fe DE |
932 | CORE_ADDR low, high, pc; |
933 | char *name; | |
934 | ||
13274fc3 UW |
935 | frame = get_selected_frame (_("No frame selected.")); |
936 | gdbarch = get_frame_arch (frame); | |
937 | pc = get_frame_pc (frame); | |
d14508fe DE |
938 | if (find_pc_partial_function (pc, &name, &low, &high) == 0) |
939 | error (_("No function contains program counter for selected frame.")); | |
940 | #if defined(TUI) | |
941 | /* NOTE: cagney/2003-02-13 The `tui_active' was previously | |
942 | `tui_version'. */ | |
943 | if (tui_active) | |
944 | /* FIXME: cagney/2004-02-07: This should be an observer. */ | |
13274fc3 | 945 | low = tui_get_low_disassembly_address (gdbarch, low, pc); |
d14508fe | 946 | #endif |
13274fc3 | 947 | low += gdbarch_deprecated_function_start_offset (gdbarch); |
d14508fe | 948 | |
13274fc3 | 949 | print_disassembly (gdbarch, name, low, high, mixed); |
d14508fe DE |
950 | } |
951 | ||
952 | /* Dump a specified section of assembly code. | |
953 | ||
954 | Usage: | |
955 | disassemble [/m] | |
956 | - dump the assembly code for the function of the current pc | |
957 | disassemble [/m] addr | |
958 | - dump the assembly code for the function at ADDR | |
959 | disassemble [/m] low high | |
960 | - dump the assembly code in the range [LOW,HIGH) | |
961 | ||
962 | A /m modifier will include source code with the assembly. */ | |
83c31e7d | 963 | |
83c31e7d FN |
964 | static void |
965 | disassemble_command (char *arg, int from_tty) | |
966 | { | |
13274fc3 | 967 | struct gdbarch *gdbarch = get_current_arch (); |
83c31e7d FN |
968 | CORE_ADDR low, high; |
969 | char *name; | |
970 | CORE_ADDR pc, pc_masked; | |
971 | char *space_index; | |
d14508fe | 972 | int mixed_source_and_assembly; |
83c31e7d FN |
973 | |
974 | name = NULL; | |
d14508fe DE |
975 | mixed_source_and_assembly = 0; |
976 | ||
977 | if (arg && *arg == '/') | |
83c31e7d | 978 | { |
d14508fe DE |
979 | ++arg; |
980 | ||
981 | if (*arg == '\0') | |
982 | error (_("Missing modifier.")); | |
983 | ||
984 | while (*arg && ! isspace (*arg)) | |
985 | { | |
986 | switch (*arg++) | |
987 | { | |
988 | case 'm': | |
989 | mixed_source_and_assembly = 1; | |
990 | break; | |
991 | default: | |
992 | error (_("Invalid disassembly modifier.")); | |
993 | } | |
994 | } | |
995 | ||
996 | while (isspace (*arg)) | |
997 | ++arg; | |
998 | } | |
999 | ||
1000 | if (! arg || ! *arg) | |
1001 | { | |
1002 | disassemble_current_function (mixed_source_and_assembly); | |
1003 | return; | |
83c31e7d | 1004 | } |
d14508fe DE |
1005 | |
1006 | /* FIXME: 'twould be nice to allow spaces in the expression for the first | |
1007 | arg. Allow comma separater too? */ | |
1008 | ||
1009 | if (!(space_index = (char *) strchr (arg, ' '))) | |
83c31e7d FN |
1010 | { |
1011 | /* One argument. */ | |
1012 | pc = parse_and_eval_address (arg); | |
1013 | if (find_pc_partial_function (pc, &name, &low, &high) == 0) | |
8a3fe4f8 | 1014 | error (_("No function contains specified address.")); |
83c31e7d | 1015 | #if defined(TUI) |
021e7609 AC |
1016 | /* NOTE: cagney/2003-02-13 The `tui_active' was previously |
1017 | `tui_version'. */ | |
22940a24 AC |
1018 | if (tui_active) |
1019 | /* FIXME: cagney/2004-02-07: This should be an observer. */ | |
13274fc3 | 1020 | low = tui_get_low_disassembly_address (gdbarch, low, pc); |
83c31e7d | 1021 | #endif |
13274fc3 | 1022 | low += gdbarch_deprecated_function_start_offset (gdbarch); |
83c31e7d FN |
1023 | } |
1024 | else | |
1025 | { | |
1026 | /* Two arguments. */ | |
1027 | *space_index = '\0'; | |
1028 | low = parse_and_eval_address (arg); | |
1029 | high = parse_and_eval_address (space_index + 1); | |
1030 | } | |
1031 | ||
13274fc3 | 1032 | print_disassembly (gdbarch, name, low, high, mixed_source_and_assembly); |
83c31e7d FN |
1033 | } |
1034 | ||
d318976c FN |
1035 | static void |
1036 | make_command (char *arg, int from_tty) | |
1037 | { | |
1038 | char *p; | |
1039 | ||
1040 | if (arg == 0) | |
1041 | p = "make"; | |
1042 | else | |
1043 | { | |
1044 | p = xmalloc (sizeof ("make ") + strlen (arg)); | |
1045 | strcpy (p, "make "); | |
1046 | strcpy (p + sizeof ("make ") - 1, arg); | |
1047 | } | |
1048 | ||
1049 | shell_escape (p, from_tty); | |
1050 | } | |
1051 | ||
d318976c FN |
1052 | static void |
1053 | show_user (char *args, int from_tty) | |
1054 | { | |
1055 | struct cmd_list_element *c; | |
1056 | extern struct cmd_list_element *cmdlist; | |
1057 | ||
1058 | if (args) | |
1059 | { | |
adb483fe DJ |
1060 | char *comname = args; |
1061 | c = lookup_cmd (&comname, cmdlist, "", 0, 1); | |
d318976c | 1062 | if (c->class != class_user) |
8a3fe4f8 | 1063 | error (_("Not a user command.")); |
adb483fe | 1064 | show_user_1 (c, "", args, gdb_stdout); |
d318976c FN |
1065 | } |
1066 | else | |
1067 | { | |
1068 | for (c = cmdlist; c; c = c->next) | |
1069 | { | |
adb483fe DJ |
1070 | if (c->class == class_user || c->prefixlist != NULL) |
1071 | show_user_1 (c, "", c->name, gdb_stdout); | |
d318976c FN |
1072 | } |
1073 | } | |
1074 | } | |
1075 | ||
1076 | /* Search through names of commands and documentations for a certain | |
1077 | regular expression. | |
1078 | */ | |
1079 | void | |
1080 | apropos_command (char *searchstr, int from_tty) | |
1081 | { | |
1082 | extern struct cmd_list_element *cmdlist; /*This is the main command list*/ | |
1083 | regex_t pattern; | |
1084 | char *pattern_fastmap; | |
1085 | char errorbuffer[512]; | |
2e94c453 | 1086 | pattern_fastmap = xcalloc (256, sizeof (char)); |
d318976c | 1087 | if (searchstr == NULL) |
8a3fe4f8 | 1088 | error (_("REGEXP string is empty")); |
d318976c FN |
1089 | |
1090 | if (regcomp(&pattern,searchstr,REG_ICASE) == 0) | |
1091 | { | |
1092 | pattern.fastmap=pattern_fastmap; | |
1093 | re_compile_fastmap(&pattern); | |
1094 | apropos_cmd (gdb_stdout,cmdlist,&pattern,""); | |
1095 | } | |
1096 | else | |
1097 | { | |
1098 | regerror(regcomp(&pattern,searchstr,REG_ICASE),NULL,errorbuffer,512); | |
8a3fe4f8 | 1099 | error (_("Error in regular expression:%s"),errorbuffer); |
d318976c | 1100 | } |
2b5436af | 1101 | xfree (pattern_fastmap); |
d318976c FN |
1102 | } |
1103 | \f | |
0378c332 FN |
1104 | /* Print a list of files and line numbers which a user may choose from |
1105 | in order to list a function which was specified ambiguously (as with | |
1106 | `list classname::overloadedfuncname', for example). The vector in | |
1107 | SALS provides the filenames and line numbers. */ | |
1108 | ||
1109 | static void | |
1110 | ambiguous_line_spec (struct symtabs_and_lines *sals) | |
1111 | { | |
1112 | int i; | |
1113 | ||
1114 | for (i = 0; i < sals->nelts; ++i) | |
a3f17187 | 1115 | printf_filtered (_("file: \"%s\", line number: %d\n"), |
0378c332 FN |
1116 | sals->sals[i].symtab->filename, sals->sals[i].line); |
1117 | } | |
1118 | ||
d318976c FN |
1119 | static void |
1120 | set_debug (char *arg, int from_tty) | |
1121 | { | |
0380c18b | 1122 | printf_unfiltered (_("\"set debug\" must be followed by the name of a debug subcommand.\n")); |
d318976c FN |
1123 | help_list (setdebuglist, "set debug ", -1, gdb_stdout); |
1124 | } | |
1125 | ||
1126 | static void | |
1127 | show_debug (char *args, int from_tty) | |
1128 | { | |
1129 | cmd_show_list (showdebuglist, from_tty, ""); | |
1130 | } | |
1131 | ||
1132 | void | |
1133 | init_cmd_lists (void) | |
1134 | { | |
20f01a46 DH |
1135 | max_user_call_depth = 1024; |
1136 | ||
d318976c FN |
1137 | cmdlist = NULL; |
1138 | infolist = NULL; | |
1139 | enablelist = NULL; | |
1140 | disablelist = NULL; | |
1141 | togglelist = NULL; | |
1142 | stoplist = NULL; | |
1143 | deletelist = NULL; | |
f73adfeb | 1144 | detachlist = NULL; |
d318976c FN |
1145 | enablebreaklist = NULL; |
1146 | setlist = NULL; | |
1147 | unsetlist = NULL; | |
1148 | showlist = NULL; | |
1149 | sethistlist = NULL; | |
1150 | showhistlist = NULL; | |
1151 | unsethistlist = NULL; | |
1152 | maintenancelist = NULL; | |
1153 | maintenanceinfolist = NULL; | |
1154 | maintenanceprintlist = NULL; | |
1155 | setprintlist = NULL; | |
1156 | showprintlist = NULL; | |
1157 | setchecklist = NULL; | |
1158 | showchecklist = NULL; | |
1159 | } | |
1160 | ||
920d2a44 AC |
1161 | static void |
1162 | show_info_verbose (struct ui_file *file, int from_tty, | |
1163 | struct cmd_list_element *c, | |
1164 | const char *value) | |
1165 | { | |
1166 | if (info_verbose) | |
1167 | fprintf_filtered (file, _("\ | |
1168 | Verbose printing of informational messages is %s.\n"), value); | |
1169 | else | |
1170 | fprintf_filtered (file, _("Verbosity is %s.\n"), value); | |
1171 | } | |
1172 | ||
1173 | static void | |
1174 | show_history_expansion_p (struct ui_file *file, int from_tty, | |
1175 | struct cmd_list_element *c, const char *value) | |
1176 | { | |
1177 | fprintf_filtered (file, _("History expansion on command input is %s.\n"), | |
1178 | value); | |
1179 | } | |
1180 | ||
1181 | static void | |
1182 | show_baud_rate (struct ui_file *file, int from_tty, | |
1183 | struct cmd_list_element *c, const char *value) | |
1184 | { | |
1185 | fprintf_filtered (file, _("Baud rate for remote serial I/O is %s.\n"), | |
1186 | value); | |
1187 | } | |
1188 | ||
1189 | static void | |
1190 | show_remote_debug (struct ui_file *file, int from_tty, | |
1191 | struct cmd_list_element *c, const char *value) | |
1192 | { | |
1193 | fprintf_filtered (file, _("Debugging of remote protocol is %s.\n"), | |
1194 | value); | |
1195 | } | |
1196 | ||
1197 | static void | |
1198 | show_remote_timeout (struct ui_file *file, int from_tty, | |
1199 | struct cmd_list_element *c, const char *value) | |
1200 | { | |
1201 | fprintf_filtered (file, _("\ | |
1202 | Timeout limit to wait for target to respond is %s.\n"), | |
1203 | value); | |
1204 | } | |
1205 | ||
1206 | static void | |
1207 | show_max_user_call_depth (struct ui_file *file, int from_tty, | |
1208 | struct cmd_list_element *c, const char *value) | |
1209 | { | |
1210 | fprintf_filtered (file, _("\ | |
1211 | The max call depth for user-defined commands is %s.\n"), | |
1212 | value); | |
1213 | } | |
1214 | ||
d318976c FN |
1215 | \f |
1216 | void | |
1217 | init_cli_cmds (void) | |
1218 | { | |
1219 | struct cmd_list_element *c; | |
eaae3919 | 1220 | char *source_help_text; |
d318976c FN |
1221 | |
1222 | /* Define the classes of commands. | |
1223 | They will appear in the help list in the reverse of this order. */ | |
1224 | ||
1a966eab AC |
1225 | add_cmd ("internals", class_maintenance, NULL, _("\ |
1226 | Maintenance commands.\n\ | |
d318976c FN |
1227 | Some gdb commands are provided just for use by gdb maintainers.\n\ |
1228 | These commands are subject to frequent change, and may not be as\n\ | |
1a966eab | 1229 | well documented as user commands."), |
d318976c | 1230 | &cmdlist); |
1a966eab AC |
1231 | add_cmd ("obscure", class_obscure, NULL, _("Obscure features."), &cmdlist); |
1232 | add_cmd ("aliases", class_alias, NULL, _("Aliases of other commands."), &cmdlist); | |
1233 | add_cmd ("user-defined", class_user, NULL, _("\ | |
1234 | User-defined commands.\n\ | |
d318976c | 1235 | The commands in this class are those defined by the user.\n\ |
1a966eab AC |
1236 | Use the \"define\" command to define a command."), &cmdlist); |
1237 | add_cmd ("support", class_support, NULL, _("Support facilities."), &cmdlist); | |
d318976c | 1238 | if (!dbx_commands) |
1a966eab AC |
1239 | add_cmd ("status", class_info, NULL, _("Status inquiries."), &cmdlist); |
1240 | add_cmd ("files", class_files, NULL, _("Specifying and examining files."), | |
1241 | &cmdlist); | |
1242 | add_cmd ("breakpoints", class_breakpoint, NULL, | |
1243 | _("Making program stop at certain points."), &cmdlist); | |
1244 | add_cmd ("data", class_vars, NULL, _("Examining data."), &cmdlist); | |
1245 | add_cmd ("stack", class_stack, NULL, _("\ | |
1246 | Examining the stack.\n\ | |
d318976c FN |
1247 | The stack is made up of stack frames. Gdb assigns numbers to stack frames\n\ |
1248 | counting from zero for the innermost (currently executing) frame.\n\n\ | |
1249 | At any time gdb identifies one frame as the \"selected\" frame.\n\ | |
1250 | Variable lookups are done with respect to the selected frame.\n\ | |
1251 | When the program being debugged stops, gdb selects the innermost frame.\n\ | |
1a966eab | 1252 | The commands below can be used to select other frames by number or address."), |
d318976c | 1253 | &cmdlist); |
1a966eab | 1254 | add_cmd ("running", class_run, NULL, _("Running the program."), &cmdlist); |
d318976c FN |
1255 | |
1256 | /* Define general commands. */ | |
1257 | ||
d729566a | 1258 | add_com ("pwd", class_files, pwd_command, _("\ |
1bedd215 | 1259 | Print working directory. This is used for your program as well.")); |
4f8d22e3 | 1260 | |
1a966eab AC |
1261 | c = add_cmd ("cd", class_files, cd_command, _("\ |
1262 | Set working directory to DIR for debugger and program being debugged.\n\ | |
d318976c | 1263 | The change does not take effect for the program being debugged\n\ |
1a966eab | 1264 | until the next time it is started."), &cmdlist); |
5ba2abeb | 1265 | set_cmd_completer (c, filename_completer); |
d318976c | 1266 | |
1bedd215 AC |
1267 | add_com ("echo", class_support, echo_command, _("\ |
1268 | Print a constant string. Give string as argument.\n\ | |
d318976c FN |
1269 | C escape sequences may be used in the argument.\n\ |
1270 | No newline is added at the end of the argument;\n\ | |
1271 | use \"\\n\" if you want a newline to be printed.\n\ | |
1272 | Since leading and trailing whitespace are ignored in command arguments,\n\ | |
1273 | if you want to print some you must use \"\\\" before leading whitespace\n\ | |
1bedd215 AC |
1274 | to be printed or after trailing whitespace.")); |
1275 | add_com ("document", class_support, document_command, _("\ | |
1276 | Document a user-defined command.\n\ | |
d318976c | 1277 | Give command name as argument. Give documentation on following lines.\n\ |
1bedd215 AC |
1278 | End with a line of just \"end\".")); |
1279 | add_com ("define", class_support, define_command, _("\ | |
1280 | Define a new command name. Command name is argument.\n\ | |
d318976c FN |
1281 | Definition appears on following lines, one command per line.\n\ |
1282 | End with a line of just \"end\".\n\ | |
1283 | Use the \"document\" command to give documentation for the new command.\n\ | |
1bedd215 | 1284 | Commands defined in this way may have up to ten arguments.")); |
d318976c | 1285 | |
eaae3919 | 1286 | source_help_text = xstrprintf (_("\ |
1a966eab | 1287 | Read commands from a file named FILE.\n\ |
16026cd7 AS |
1288 | Optional -v switch (before the filename) causes each command in\n\ |
1289 | FILE to be echoed as it is executed.\n\ | |
eaae3919 | 1290 | Note that the file \"%s\" is read automatically in this way\n\ |
16026cd7 | 1291 | when GDB is started."), gdbinit); |
eaae3919 EZ |
1292 | c = add_cmd ("source", class_support, source_command, |
1293 | source_help_text, &cmdlist); | |
5ba2abeb | 1294 | set_cmd_completer (c, filename_completer); |
d318976c | 1295 | |
1bedd215 AC |
1296 | add_com ("quit", class_support, quit_command, _("Exit gdb.")); |
1297 | c = add_com ("help", class_support, help_command, | |
1298 | _("Print list of commands.")); | |
5ba2abeb | 1299 | set_cmd_completer (c, command_completer); |
d318976c FN |
1300 | add_com_alias ("q", "quit", class_support, 1); |
1301 | add_com_alias ("h", "help", class_support, 1); | |
1302 | ||
5bf193a2 AC |
1303 | add_setshow_boolean_cmd ("verbose", class_support, &info_verbose, _("\ |
1304 | Set verbosity."), _("\ | |
1305 | Show verbosity."), NULL, | |
1306 | set_verbose, | |
920d2a44 | 1307 | show_info_verbose, |
5bf193a2 | 1308 | &setlist, &showlist); |
d318976c FN |
1309 | |
1310 | add_prefix_cmd ("history", class_support, set_history, | |
1bedd215 | 1311 | _("Generic command for setting command history parameters."), |
d318976c FN |
1312 | &sethistlist, "set history ", 0, &setlist); |
1313 | add_prefix_cmd ("history", class_support, show_history, | |
1bedd215 | 1314 | _("Generic command for showing command history parameters."), |
d318976c FN |
1315 | &showhistlist, "show history ", 0, &showlist); |
1316 | ||
5bf193a2 AC |
1317 | add_setshow_boolean_cmd ("expansion", no_class, &history_expansion_p, _("\ |
1318 | Set history expansion on command input."), _("\ | |
1319 | Show history expansion on command input."), _("\ | |
1320 | Without an argument, history expansion is enabled."), | |
1321 | NULL, | |
920d2a44 | 1322 | show_history_expansion_p, |
5bf193a2 | 1323 | &sethistlist, &showhistlist); |
d318976c | 1324 | |
d729566a | 1325 | add_prefix_cmd ("info", class_info, info_command, _("\ |
1bedd215 | 1326 | Generic command for showing things about the program being debugged."), |
d729566a | 1327 | &infolist, "info ", 0, &cmdlist); |
d318976c FN |
1328 | add_com_alias ("i", "info", class_info, 1); |
1329 | ||
1330 | add_com ("complete", class_obscure, complete_command, | |
1bedd215 | 1331 | _("List the completions for the rest of the line as a command.")); |
d318976c | 1332 | |
d729566a | 1333 | add_prefix_cmd ("show", class_info, show_command, _("\ |
700b53b1 | 1334 | Generic command for showing things about the debugger."), |
d729566a | 1335 | &showlist, "show ", 0, &cmdlist); |
d318976c | 1336 | /* Another way to get at the same thing. */ |
1bedd215 | 1337 | add_info ("set", show_command, _("Show all GDB settings.")); |
d318976c | 1338 | |
1a966eab AC |
1339 | add_cmd ("commands", no_class, show_commands, _("\ |
1340 | Show the history of commands you typed.\n\ | |
d318976c | 1341 | You can supply a command number to start with, or a `+' to start after\n\ |
1a966eab | 1342 | the previous command number shown."), |
d318976c FN |
1343 | &showlist); |
1344 | ||
1345 | add_cmd ("version", no_class, show_version, | |
1a966eab | 1346 | _("Show what version of GDB this is."), &showlist); |
d318976c | 1347 | |
1bedd215 AC |
1348 | add_com ("while", class_support, while_command, _("\ |
1349 | Execute nested commands WHILE the conditional expression is non zero.\n\ | |
d318976c FN |
1350 | The conditional expression must follow the word `while' and must in turn be\n\ |
1351 | followed by a new line. The nested commands must be entered one per line,\n\ | |
1bedd215 | 1352 | and should be terminated by the word `end'.")); |
d318976c | 1353 | |
1bedd215 AC |
1354 | add_com ("if", class_support, if_command, _("\ |
1355 | Execute nested commands once IF the conditional expression is non zero.\n\ | |
d318976c FN |
1356 | The conditional expression must follow the word `if' and must in turn be\n\ |
1357 | followed by a new line. The nested commands must be entered one per line,\n\ | |
1358 | and should be terminated by the word 'else' or `end'. If an else clause\n\ | |
1bedd215 | 1359 | is used, the same rules apply to its nested commands as to the first ones.")); |
d318976c FN |
1360 | |
1361 | /* If target is open when baud changes, it doesn't take effect until the | |
1362 | next open (I think, not sure). */ | |
85c07804 AC |
1363 | add_setshow_zinteger_cmd ("remotebaud", no_class, &baud_rate, _("\ |
1364 | Set baud rate for remote serial I/O."), _("\ | |
1365 | Show baud rate for remote serial I/O."), _("\ | |
d318976c | 1366 | This value is used to set the speed of the serial port when debugging\n\ |
85c07804 AC |
1367 | using remote targets."), |
1368 | NULL, | |
920d2a44 | 1369 | show_baud_rate, |
85c07804 AC |
1370 | &setlist, &showlist); |
1371 | ||
1372 | add_setshow_zinteger_cmd ("remote", no_class, &remote_debug, _("\ | |
1373 | Set debugging of remote protocol."), _("\ | |
1374 | Show debugging of remote protocol."), _("\ | |
d318976c | 1375 | When enabled, each packet sent or received with the remote target\n\ |
85c07804 AC |
1376 | is displayed."), |
1377 | NULL, | |
920d2a44 | 1378 | show_remote_debug, |
85c07804 | 1379 | &setdebuglist, &showdebuglist); |
d318976c | 1380 | |
c0d88b1b AC |
1381 | add_setshow_integer_cmd ("remotetimeout", no_class, &remote_timeout, _("\ |
1382 | Set timeout limit to wait for target to respond."), _("\ | |
1383 | Show timeout limit to wait for target to respond."), _("\ | |
d318976c | 1384 | This value is used to set the time limit for gdb to wait for a response\n\ |
c0d88b1b AC |
1385 | from the target."), |
1386 | NULL, | |
920d2a44 | 1387 | show_remote_timeout, |
c0d88b1b | 1388 | &setlist, &showlist); |
d318976c FN |
1389 | |
1390 | add_prefix_cmd ("debug", no_class, set_debug, | |
1bedd215 | 1391 | _("Generic command for setting gdb debugging flags"), |
d318976c FN |
1392 | &setdebuglist, "set debug ", 0, &setlist); |
1393 | ||
1394 | add_prefix_cmd ("debug", no_class, show_debug, | |
1bedd215 | 1395 | _("Generic command for showing gdb debugging flags"), |
d318976c FN |
1396 | &showdebuglist, "show debug ", 0, &showlist); |
1397 | ||
1bedd215 AC |
1398 | c = add_com ("shell", class_support, shell_escape, _("\ |
1399 | Execute the rest of the line as a shell command.\n\ | |
1400 | With no arguments, run an inferior shell.")); | |
5ba2abeb | 1401 | set_cmd_completer (c, filename_completer); |
d318976c | 1402 | |
1bedd215 AC |
1403 | c = add_com ("edit", class_files, edit_command, _("\ |
1404 | Edit specified file or function.\n\ | |
0378c332 | 1405 | With no argument, edits file containing most recent line listed.\n\ |
0378c332 FN |
1406 | Editing targets can be specified in these ways:\n\ |
1407 | FILE:LINENUM, to edit at that line in that file,\n\ | |
1408 | FUNCTION, to edit at the beginning of that function,\n\ | |
1409 | FILE:FUNCTION, to distinguish among like-named static functions.\n\ | |
1410 | *ADDRESS, to edit at the line containing that address.\n\ | |
1bedd215 | 1411 | Uses EDITOR environment variable contents as editor (or ex as default).")); |
0378c332 FN |
1412 | |
1413 | c->completer = location_completer; | |
1414 | ||
1bedd215 AC |
1415 | add_com ("list", class_files, list_command, _("\ |
1416 | List specified function or line.\n\ | |
0378c332 FN |
1417 | With no argument, lists ten more lines after or around previous listing.\n\ |
1418 | \"list -\" lists the ten lines before a previous ten-line listing.\n\ | |
1419 | One argument specifies a line, and ten lines are listed around that line.\n\ | |
1420 | Two arguments with comma between specify starting and ending lines to list.\n\ | |
0378c332 FN |
1421 | Lines can be specified in these ways:\n\ |
1422 | LINENUM, to list around that line in current file,\n\ | |
1423 | FILE:LINENUM, to list around that line in that file,\n\ | |
1424 | FUNCTION, to list around beginning of that function,\n\ | |
1425 | FILE:FUNCTION, to distinguish among like-named static functions.\n\ | |
1426 | *ADDRESS, to list around the line containing that address.\n\ | |
1bedd215 | 1427 | With two args if one is empty it stands for ten lines away from the other arg.")); |
0378c332 FN |
1428 | |
1429 | if (!xdb_commands) | |
1430 | add_com_alias ("l", "list", class_files, 1); | |
1431 | else | |
1432 | add_com_alias ("v", "list", class_files, 1); | |
1433 | ||
1434 | if (dbx_commands) | |
1435 | add_com_alias ("file", "list", class_files, 1); | |
1436 | ||
1bedd215 AC |
1437 | c = add_com ("disassemble", class_vars, disassemble_command, _("\ |
1438 | Disassemble a specified section of memory.\n\ | |
83c31e7d | 1439 | Default is the function surrounding the pc of the selected frame.\n\ |
d14508fe | 1440 | With a /m modifier, source lines are included (if available).\n\ |
83c31e7d | 1441 | With a single argument, the function surrounding that address is dumped.\n\ |
1bedd215 | 1442 | Two arguments are taken as a range of memory to dump.")); |
83c31e7d FN |
1443 | set_cmd_completer (c, location_completer); |
1444 | if (xdb_commands) | |
1445 | add_com_alias ("va", "disassemble", class_xdb, 0); | |
0378c332 | 1446 | |
d318976c FN |
1447 | /* NOTE: cagney/2000-03-20: Being able to enter ``(gdb) !ls'' would |
1448 | be a really useful feature. Unfortunately, the below wont do | |
1449 | this. Instead it adds support for the form ``(gdb) ! ls'' | |
1450 | (i.e. the space is required). If the ``!'' command below is | |
1451 | added the complains about no ``!'' command would be replaced by | |
1452 | complains about how the ``!'' command is broken :-) */ | |
1453 | if (xdb_commands) | |
1454 | add_com_alias ("!", "shell", class_support, 0); | |
1455 | ||
1bedd215 AC |
1456 | c = add_com ("make", class_support, make_command, _("\ |
1457 | Run the ``make'' program using the rest of the line as arguments.")); | |
5ba2abeb | 1458 | set_cmd_completer (c, filename_completer); |
1a966eab AC |
1459 | add_cmd ("user", no_class, show_user, _("\ |
1460 | Show definitions of user defined commands.\n\ | |
d318976c | 1461 | Argument is the name of the user defined command.\n\ |
1a966eab | 1462 | With no argument, show definitions of all user defined commands."), &showlist); |
1bedd215 AC |
1463 | add_com ("apropos", class_support, apropos_command, |
1464 | _("Search for commands matching a REGEXP")); | |
20f01a46 | 1465 | |
c0d88b1b AC |
1466 | add_setshow_integer_cmd ("max-user-call-depth", no_class, |
1467 | &max_user_call_depth, _("\ | |
1468 | Set the max call depth for user-defined commands."), _("\ | |
1469 | Show the max call depth for user-defined commands."), NULL, | |
1470 | NULL, | |
920d2a44 | 1471 | show_max_user_call_depth, |
c0d88b1b | 1472 | &setlist, &showlist); |
16026cd7 AS |
1473 | |
1474 | add_setshow_boolean_cmd ("trace-commands", no_class, &trace_commands, _("\ | |
1475 | Set tracing of GDB CLI commands."), _("\ | |
1476 | Show state of GDB CLI command tracing."), _("\ | |
1477 | When 'on', each command is displayed as it is executed."), | |
1478 | NULL, | |
1479 | NULL, | |
1480 | &setlist, &showlist); | |
d318976c | 1481 | } |