Commit | Line | Data |
---|---|---|
d318976c | 1 | /* GDB CLI commands. |
8926118c | 2 | |
4c38e0a4 | 3 | Copyright (C) 2000, 2001, 2002, 2003, 2004, 2005, 2007, 2008, 2009, 2010 |
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" | |
973817a3 | 22 | #include "exceptions.h" |
13274fc3 | 23 | #include "arch-utils.h" |
dbda9972 AC |
24 | #include "readline/readline.h" |
25 | #include "readline/tilde.h" | |
d318976c FN |
26 | #include "completer.h" |
27 | #include "target.h" /* For baud_rate, remote_debug and remote_timeout */ | |
28 | #include "gdb_wait.h" /* For shell escape implementation */ | |
f77b92bf | 29 | #include "gdb_regex.h" /* Used by apropos_command */ |
5f8a3188 | 30 | #include "gdb_string.h" |
325ed089 | 31 | #include "gdb_vfork.h" |
0378c332 FN |
32 | #include "linespec.h" |
33 | #include "expression.h" | |
83c31e7d FN |
34 | #include "frame.h" |
35 | #include "value.h" | |
0378c332 | 36 | #include "language.h" |
fe4e3eb8 | 37 | #include "filenames.h" /* for DOSish file names */ |
0378c332 FN |
38 | #include "objfiles.h" |
39 | #include "source.h" | |
83c31e7d | 40 | #include "disasm.h" |
d5551862 | 41 | extern void disconnect_or_stop_tracing (int from_tty); |
d318976c | 42 | |
d318976c | 43 | #include "ui-out.h" |
d318976c FN |
44 | |
45 | #include "top.h" | |
46 | #include "cli/cli-decode.h" | |
47 | #include "cli/cli-script.h" | |
48 | #include "cli/cli-setshow.h" | |
49 | #include "cli/cli-cmds.h" | |
50 | ||
973817a3 JB |
51 | #include "python/python.h" |
52 | ||
6a83354a AC |
53 | #ifdef TUI |
54 | #include "tui/tui.h" /* For tui_active et.al. */ | |
55 | #endif | |
56 | ||
4b505b12 AS |
57 | #include <fcntl.h> |
58 | ||
0378c332 | 59 | /* Prototypes for local command functions */ |
d318976c FN |
60 | |
61 | static void complete_command (char *, int); | |
62 | ||
63 | static void echo_command (char *, int); | |
64 | ||
65 | static void pwd_command (char *, int); | |
66 | ||
67 | static void show_version (char *, int); | |
68 | ||
d318976c FN |
69 | static void help_command (char *, int); |
70 | ||
71 | static void show_command (char *, int); | |
72 | ||
73 | static void info_command (char *, int); | |
74 | ||
75 | static void show_debug (char *, int); | |
76 | ||
77 | static void set_debug (char *, int); | |
78 | ||
79 | static void show_user (char *, int); | |
80 | ||
81 | static void make_command (char *, int); | |
82 | ||
83 | static void shell_escape (char *, int); | |
84 | ||
0378c332 FN |
85 | static void edit_command (char *, int); |
86 | ||
87 | static void list_command (char *, int); | |
88 | ||
d318976c | 89 | void apropos_command (char *, int); |
0378c332 FN |
90 | |
91 | /* Prototypes for local utility functions */ | |
92 | ||
93 | static void ambiguous_line_spec (struct symtabs_and_lines *); | |
d318976c | 94 | \f |
20f01a46 DH |
95 | /* Limit the call depth of user-defined commands */ |
96 | int max_user_call_depth; | |
97 | ||
d318976c FN |
98 | /* Define all cmd_list_elements. */ |
99 | ||
100 | /* Chain containing all defined commands. */ | |
101 | ||
102 | struct cmd_list_element *cmdlist; | |
103 | ||
104 | /* Chain containing all defined info subcommands. */ | |
105 | ||
106 | struct cmd_list_element *infolist; | |
107 | ||
108 | /* Chain containing all defined enable subcommands. */ | |
109 | ||
110 | struct cmd_list_element *enablelist; | |
111 | ||
112 | /* Chain containing all defined disable subcommands. */ | |
113 | ||
114 | struct cmd_list_element *disablelist; | |
115 | ||
116 | /* Chain containing all defined toggle subcommands. */ | |
117 | ||
118 | struct cmd_list_element *togglelist; | |
119 | ||
120 | /* Chain containing all defined stop subcommands. */ | |
121 | ||
122 | struct cmd_list_element *stoplist; | |
123 | ||
124 | /* Chain containing all defined delete subcommands. */ | |
125 | ||
126 | struct cmd_list_element *deletelist; | |
127 | ||
f73adfeb AS |
128 | /* Chain containing all defined detach subcommands. */ |
129 | ||
130 | struct cmd_list_element *detachlist; | |
131 | ||
2277426b PA |
132 | /* Chain containing all defined kill subcommands. */ |
133 | ||
134 | struct cmd_list_element *killlist; | |
135 | ||
d318976c FN |
136 | /* Chain containing all defined "enable breakpoint" subcommands. */ |
137 | ||
138 | struct cmd_list_element *enablebreaklist; | |
139 | ||
140 | /* Chain containing all defined set subcommands */ | |
141 | ||
142 | struct cmd_list_element *setlist; | |
143 | ||
144 | /* Chain containing all defined unset subcommands */ | |
145 | ||
146 | struct cmd_list_element *unsetlist; | |
147 | ||
148 | /* Chain containing all defined show subcommands. */ | |
149 | ||
150 | struct cmd_list_element *showlist; | |
151 | ||
152 | /* Chain containing all defined \"set history\". */ | |
153 | ||
154 | struct cmd_list_element *sethistlist; | |
155 | ||
156 | /* Chain containing all defined \"show history\". */ | |
157 | ||
158 | struct cmd_list_element *showhistlist; | |
159 | ||
160 | /* Chain containing all defined \"unset history\". */ | |
161 | ||
162 | struct cmd_list_element *unsethistlist; | |
163 | ||
164 | /* Chain containing all defined maintenance subcommands. */ | |
165 | ||
166 | struct cmd_list_element *maintenancelist; | |
167 | ||
168 | /* Chain containing all defined "maintenance info" subcommands. */ | |
169 | ||
170 | struct cmd_list_element *maintenanceinfolist; | |
171 | ||
172 | /* Chain containing all defined "maintenance print" subcommands. */ | |
173 | ||
174 | struct cmd_list_element *maintenanceprintlist; | |
175 | ||
176 | struct cmd_list_element *setprintlist; | |
177 | ||
178 | struct cmd_list_element *showprintlist; | |
179 | ||
180 | struct cmd_list_element *setdebuglist; | |
181 | ||
182 | struct cmd_list_element *showdebuglist; | |
183 | ||
184 | struct cmd_list_element *setchecklist; | |
185 | ||
186 | struct cmd_list_element *showchecklist; | |
16026cd7 AS |
187 | |
188 | /* Command tracing state. */ | |
189 | ||
190 | int source_verbose = 0; | |
191 | int trace_commands = 0; | |
d318976c | 192 | \f |
973817a3 JB |
193 | /* 'script-extension' option support. */ |
194 | ||
195 | static const char script_ext_off[] = "off"; | |
196 | static const char script_ext_soft[] = "soft"; | |
197 | static const char script_ext_strict[] = "strict"; | |
198 | ||
199 | static const char *script_ext_enums[] = { | |
200 | script_ext_off, | |
201 | script_ext_soft, | |
202 | script_ext_strict, | |
203 | NULL | |
204 | }; | |
205 | ||
206 | static const char *script_ext_mode = script_ext_soft; | |
207 | \f | |
d318976c FN |
208 | /* Utility used everywhere when at least one argument is needed and |
209 | none is supplied. */ | |
210 | ||
211 | void | |
212 | error_no_arg (char *why) | |
213 | { | |
8a3fe4f8 | 214 | error (_("Argument required (%s)."), why); |
d318976c FN |
215 | } |
216 | ||
217 | /* The "info" command is defined as a prefix, with allow_unknown = 0. | |
218 | Therefore, its own definition is called only for "info" with no args. */ | |
219 | ||
d318976c FN |
220 | static void |
221 | info_command (char *arg, int from_tty) | |
222 | { | |
a3f17187 | 223 | printf_unfiltered (_("\"info\" must be followed by the name of an info command.\n")); |
d318976c FN |
224 | help_list (infolist, "info ", -1, gdb_stdout); |
225 | } | |
226 | ||
227 | /* The "show" command with no arguments shows all the settings. */ | |
228 | ||
d318976c FN |
229 | static void |
230 | show_command (char *arg, int from_tty) | |
231 | { | |
232 | cmd_show_list (showlist, from_tty, ""); | |
233 | } | |
234 | \f | |
235 | /* Provide documentation on command or list given by COMMAND. FROM_TTY | |
236 | is ignored. */ | |
237 | ||
d318976c FN |
238 | static void |
239 | help_command (char *command, int from_tty) | |
240 | { | |
241 | help_cmd (command, gdb_stdout); | |
242 | } | |
243 | \f | |
83d31a92 TT |
244 | /* String compare function for qsort. */ |
245 | static int | |
246 | compare_strings (const void *arg1, const void *arg2) | |
247 | { | |
248 | const char **s1 = (const char **) arg1; | |
249 | const char **s2 = (const char **) arg2; | |
250 | return strcmp (*s1, *s2); | |
251 | } | |
252 | ||
d318976c FN |
253 | /* The "complete" command is used by Emacs to implement completion. */ |
254 | ||
d318976c FN |
255 | static void |
256 | complete_command (char *arg, int from_tty) | |
257 | { | |
258 | int i; | |
259 | int argpoint; | |
d9b52655 | 260 | char **completions, *point, *arg_prefix; |
d318976c FN |
261 | |
262 | dont_repeat (); | |
263 | ||
264 | if (arg == NULL) | |
265 | arg = ""; | |
266 | argpoint = strlen (arg); | |
267 | ||
d9b52655 DJ |
268 | /* complete_line assumes that its first argument is somewhere within, |
269 | and except for filenames at the beginning of, the word to be completed. | |
270 | The following crude imitation of readline's word-breaking tries to | |
271 | accomodate this. */ | |
272 | point = arg + argpoint; | |
273 | while (point > arg) | |
274 | { | |
275 | if (strchr (rl_completer_word_break_characters, point[-1]) != 0) | |
276 | break; | |
277 | point--; | |
278 | } | |
279 | ||
280 | arg_prefix = alloca (point - arg + 1); | |
281 | memcpy (arg_prefix, arg, point - arg); | |
282 | arg_prefix[point - arg] = 0; | |
283 | ||
284 | completions = complete_line (point, arg, argpoint); | |
83d31a92 TT |
285 | |
286 | if (completions) | |
d318976c | 287 | { |
83d31a92 TT |
288 | int item, size; |
289 | ||
290 | for (size = 0; completions[size]; ++size) | |
291 | ; | |
292 | qsort (completions, size, sizeof (char *), compare_strings); | |
293 | ||
294 | /* We do extra processing here since we only want to print each | |
295 | unique item once. */ | |
296 | item = 0; | |
297 | while (item < size) | |
298 | { | |
299 | int next_item; | |
d9b52655 | 300 | printf_unfiltered ("%s%s\n", arg_prefix, completions[item]); |
83d31a92 TT |
301 | next_item = item + 1; |
302 | while (next_item < size | |
303 | && ! strcmp (completions[item], completions[next_item])) | |
304 | { | |
305 | xfree (completions[next_item]); | |
306 | ++next_item; | |
307 | } | |
308 | ||
309 | xfree (completions[item]); | |
310 | item = next_item; | |
311 | } | |
312 | ||
313 | xfree (completions); | |
d318976c FN |
314 | } |
315 | } | |
316 | ||
bbaca940 AC |
317 | int |
318 | is_complete_command (struct cmd_list_element *c) | |
d318976c | 319 | { |
bbaca940 | 320 | return cmd_cfunc_eq (c, complete_command); |
d318976c FN |
321 | } |
322 | ||
d318976c FN |
323 | static void |
324 | show_version (char *args, int from_tty) | |
325 | { | |
326 | immediate_quit++; | |
327 | print_gdb_version (gdb_stdout); | |
328 | printf_filtered ("\n"); | |
329 | immediate_quit--; | |
330 | } | |
331 | ||
332 | /* Handle the quit command. */ | |
333 | ||
334 | void | |
335 | quit_command (char *args, int from_tty) | |
336 | { | |
337 | if (!quit_confirm ()) | |
8a3fe4f8 | 338 | error (_("Not confirmed.")); |
d5551862 SS |
339 | |
340 | disconnect_or_stop_tracing (from_tty); | |
341 | ||
d318976c FN |
342 | quit_force (args, from_tty); |
343 | } | |
344 | ||
d318976c FN |
345 | static void |
346 | pwd_command (char *args, int from_tty) | |
347 | { | |
348 | if (args) | |
8a3fe4f8 | 349 | error (_("The \"pwd\" command does not take an argument: %s"), args); |
bf1d7d9c JB |
350 | if (! getcwd (gdb_dirbuf, sizeof (gdb_dirbuf))) |
351 | error (_("Error finding name of working directory: %s"), | |
352 | safe_strerror (errno)); | |
d318976c | 353 | |
6314a349 | 354 | if (strcmp (gdb_dirbuf, current_directory) != 0) |
a3f17187 | 355 | printf_unfiltered (_("Working directory %s\n (canonically %s).\n"), |
d318976c FN |
356 | current_directory, gdb_dirbuf); |
357 | else | |
a3f17187 | 358 | printf_unfiltered (_("Working directory %s.\n"), current_directory); |
d318976c FN |
359 | } |
360 | ||
361 | void | |
362 | cd_command (char *dir, int from_tty) | |
363 | { | |
364 | int len; | |
365 | /* Found something other than leading repetitions of "/..". */ | |
366 | int found_real_path; | |
367 | char *p; | |
368 | ||
369 | /* If the new directory is absolute, repeat is a no-op; if relative, | |
370 | repeat might be useful but is more likely to be a mistake. */ | |
371 | dont_repeat (); | |
372 | ||
373 | if (dir == 0) | |
e2e0b3e5 | 374 | error_no_arg (_("new working directory")); |
d318976c FN |
375 | |
376 | dir = tilde_expand (dir); | |
b8c9b27d | 377 | make_cleanup (xfree, dir); |
d318976c FN |
378 | |
379 | if (chdir (dir) < 0) | |
380 | perror_with_name (dir); | |
381 | ||
c3690141 | 382 | #ifdef HAVE_DOS_BASED_FILE_SYSTEM |
d318976c FN |
383 | /* There's too much mess with DOSish names like "d:", "d:.", |
384 | "d:./foo" etc. Instead of having lots of special #ifdef'ed code, | |
385 | simply get the canonicalized name of the current directory. */ | |
386 | dir = getcwd (gdb_dirbuf, sizeof (gdb_dirbuf)); | |
387 | #endif | |
388 | ||
389 | len = strlen (dir); | |
fe4e3eb8 | 390 | if (IS_DIR_SEPARATOR (dir[len - 1])) |
d318976c FN |
391 | { |
392 | /* Remove the trailing slash unless this is a root directory | |
393 | (including a drive letter on non-Unix systems). */ | |
394 | if (!(len == 1) /* "/" */ | |
c3690141 | 395 | #ifdef HAVE_DOS_BASED_FILE_SYSTEM |
fe4e3eb8 | 396 | && !(len == 3 && dir[1] == ':') /* "d:/" */ |
d318976c FN |
397 | #endif |
398 | ) | |
399 | len--; | |
400 | } | |
401 | ||
402 | dir = savestring (dir, len); | |
fe4e3eb8 | 403 | if (IS_ABSOLUTE_PATH (dir)) |
d318976c FN |
404 | current_directory = dir; |
405 | else | |
406 | { | |
fe4e3eb8 | 407 | if (IS_DIR_SEPARATOR (current_directory[strlen (current_directory) - 1])) |
1754f103 | 408 | current_directory = concat (current_directory, dir, (char *)NULL); |
d318976c | 409 | else |
1754f103 MK |
410 | current_directory = concat (current_directory, SLASH_STRING, |
411 | dir, (char *)NULL); | |
b8c9b27d | 412 | xfree (dir); |
d318976c FN |
413 | } |
414 | ||
415 | /* Now simplify any occurrences of `.' and `..' in the pathname. */ | |
416 | ||
417 | found_real_path = 0; | |
418 | for (p = current_directory; *p;) | |
419 | { | |
fe4e3eb8 EZ |
420 | if (IS_DIR_SEPARATOR (p[0]) && p[1] == '.' |
421 | && (p[2] == 0 || IS_DIR_SEPARATOR (p[2]))) | |
d318976c | 422 | strcpy (p, p + 2); |
fe4e3eb8 EZ |
423 | else if (IS_DIR_SEPARATOR (p[0]) && p[1] == '.' && p[2] == '.' |
424 | && (p[3] == 0 || IS_DIR_SEPARATOR (p[3]))) | |
d318976c FN |
425 | { |
426 | if (found_real_path) | |
427 | { | |
428 | /* Search backwards for the directory just before the "/.." | |
429 | and obliterate it and the "/..". */ | |
430 | char *q = p; | |
fe4e3eb8 | 431 | while (q != current_directory && !IS_DIR_SEPARATOR (q[-1])) |
d318976c FN |
432 | --q; |
433 | ||
434 | if (q == current_directory) | |
435 | /* current_directory is | |
436 | a relative pathname ("can't happen"--leave it alone). */ | |
437 | ++p; | |
438 | else | |
439 | { | |
440 | strcpy (q - 1, p + 3); | |
441 | p = q - 1; | |
442 | } | |
443 | } | |
444 | else | |
445 | /* We are dealing with leading repetitions of "/..", for example | |
446 | "/../..", which is the Mach super-root. */ | |
447 | p += 3; | |
448 | } | |
449 | else | |
450 | { | |
451 | found_real_path = 1; | |
452 | ++p; | |
453 | } | |
454 | } | |
455 | ||
456 | forget_cached_source_info (); | |
457 | ||
458 | if (from_tty) | |
459 | pwd_command ((char *) 0, 1); | |
460 | } | |
461 | \f | |
973817a3 JB |
462 | /* Show the current value of the 'script-extension' option. */ |
463 | ||
464 | static void | |
465 | show_script_ext_mode (struct ui_file *file, int from_tty, | |
466 | struct cmd_list_element *c, const char *value) | |
d318976c | 467 | { |
973817a3 JB |
468 | fprintf_filtered (file, _("\ |
469 | Script filename extension recognition is \"%s\".\n"), | |
470 | value); | |
471 | } | |
472 | ||
473 | static int | |
474 | find_and_open_script (int from_tty, char **filep, FILE **streamp, | |
475 | struct cleanup **cleanupp) | |
476 | { | |
477 | char *file = *filep; | |
4b505b12 AS |
478 | char *full_pathname = NULL; |
479 | int fd; | |
973817a3 | 480 | struct cleanup *old_cleanups; |
d318976c FN |
481 | |
482 | file = tilde_expand (file); | |
b8c9b27d | 483 | old_cleanups = make_cleanup (xfree, file); |
d318976c | 484 | |
4b505b12 AS |
485 | /* Search for and open 'file' on the search path used for source |
486 | files. Put the full location in 'full_pathname'. */ | |
487 | fd = openp (source_path, OPF_TRY_CWD_FIRST, | |
fbdebf46 | 488 | file, O_RDONLY, &full_pathname); |
b03a6ea4 | 489 | make_cleanup (xfree, full_pathname); |
4b505b12 AS |
490 | |
491 | /* Use the full path name, if it is found. */ | |
492 | if (full_pathname != NULL && fd != -1) | |
493 | { | |
494 | file = full_pathname; | |
495 | } | |
496 | ||
497 | if (fd == -1) | |
d318976c FN |
498 | { |
499 | if (from_tty) | |
500 | perror_with_name (file); | |
501 | else | |
b03a6ea4 TT |
502 | { |
503 | do_cleanups (old_cleanups); | |
973817a3 | 504 | return 0; |
b03a6ea4 | 505 | } |
d318976c FN |
506 | } |
507 | ||
973817a3 JB |
508 | *streamp = fdopen (fd, FOPEN_RT); |
509 | *filep = file; | |
510 | *cleanupp = old_cleanups; | |
511 | ||
512 | return 1; | |
513 | } | |
514 | ||
515 | void | |
516 | source_script (char *file, int from_tty) | |
517 | { | |
518 | FILE *stream; | |
519 | struct cleanup *old_cleanups; | |
520 | ||
521 | if (file == NULL || *file == 0) | |
522 | { | |
523 | error (_("source command requires file name of file to source.")); | |
524 | } | |
525 | ||
526 | if (!find_and_open_script (from_tty, &file, &stream, &old_cleanups)) | |
527 | return; | |
528 | ||
529 | if (script_ext_mode != script_ext_off | |
530 | && strlen (file) > 3 && !strcmp (&file[strlen (file) - 3], ".py")) | |
531 | { | |
532 | volatile struct gdb_exception e; | |
533 | ||
534 | TRY_CATCH (e, RETURN_MASK_ERROR) | |
535 | { | |
536 | source_python_script (stream, file); | |
537 | } | |
538 | if (e.reason < 0) | |
539 | { | |
540 | /* Should we fallback to ye olde GDB script mode? */ | |
541 | if (script_ext_mode == script_ext_soft | |
542 | && e.reason == RETURN_ERROR && e.error == UNSUPPORTED_ERROR) | |
543 | { | |
544 | if (!find_and_open_script (from_tty, &file, &stream, &old_cleanups)) | |
545 | return; | |
546 | ||
547 | script_from_file (stream, file); | |
548 | } | |
549 | else | |
550 | /* Nope, just punt. */ | |
551 | throw_exception (e); | |
552 | } | |
553 | } | |
554 | else | |
555 | script_from_file (stream, file); | |
d318976c FN |
556 | |
557 | do_cleanups (old_cleanups); | |
558 | } | |
559 | ||
16026cd7 AS |
560 | /* Return the source_verbose global variable to its previous state |
561 | on exit from the source command, by whatever means. */ | |
562 | static void | |
563 | source_verbose_cleanup (void *old_value) | |
564 | { | |
565 | source_verbose = *(int *)old_value; | |
566 | xfree (old_value); | |
567 | } | |
568 | ||
569 | static void | |
570 | source_command (char *args, int from_tty) | |
571 | { | |
572 | struct cleanup *old_cleanups; | |
573 | char *file = args; | |
574 | int *old_source_verbose = xmalloc (sizeof(int)); | |
575 | ||
576 | *old_source_verbose = source_verbose; | |
577 | old_cleanups = make_cleanup (source_verbose_cleanup, old_source_verbose); | |
578 | ||
579 | /* -v causes the source command to run in verbose mode. | |
580 | We still have to be able to handle filenames with spaces in a | |
581 | backward compatible way, so buildargv is not appropriate. */ | |
582 | ||
583 | if (args) | |
584 | { | |
585 | /* Make sure leading white space does not break the comparisons. */ | |
586 | while (isspace(args[0])) | |
587 | args++; | |
588 | ||
589 | /* Is -v the first thing in the string? */ | |
590 | if (args[0] == '-' && args[1] == 'v' && isspace (args[2])) | |
591 | { | |
592 | source_verbose = 1; | |
593 | ||
594 | /* Trim -v and whitespace from the filename. */ | |
595 | file = &args[3]; | |
596 | while (isspace (file[0])) | |
597 | file++; | |
598 | } | |
599 | } | |
600 | ||
8944021f | 601 | source_script (file, from_tty); |
96e39866 DE |
602 | |
603 | do_cleanups (old_cleanups); | |
16026cd7 AS |
604 | } |
605 | ||
606 | ||
d318976c FN |
607 | static void |
608 | echo_command (char *text, int from_tty) | |
609 | { | |
610 | char *p = text; | |
d5b5ac79 | 611 | int c; |
d318976c FN |
612 | |
613 | if (text) | |
614 | while ((c = *p++) != '\0') | |
615 | { | |
616 | if (c == '\\') | |
617 | { | |
618 | /* \ at end of argument is used after spaces | |
619 | so they won't be lost. */ | |
620 | if (*p == 0) | |
621 | return; | |
622 | ||
f870a310 | 623 | c = parse_escape (get_current_arch (), &p); |
d318976c FN |
624 | if (c >= 0) |
625 | printf_filtered ("%c", c); | |
626 | } | |
627 | else | |
628 | printf_filtered ("%c", c); | |
629 | } | |
630 | ||
631 | /* Force this output to appear now. */ | |
632 | wrap_here (""); | |
633 | gdb_flush (gdb_stdout); | |
634 | } | |
635 | ||
d318976c FN |
636 | static void |
637 | shell_escape (char *arg, int from_tty) | |
638 | { | |
9b265ec2 MM |
639 | #if defined(CANT_FORK) || \ |
640 | (!defined(HAVE_WORKING_VFORK) && !defined(HAVE_WORKING_FORK)) | |
d318976c FN |
641 | /* If ARG is NULL, they want an inferior shell, but `system' just |
642 | reports if the shell is available when passed a NULL arg. */ | |
643 | int rc = system (arg ? arg : ""); | |
644 | ||
645 | if (!arg) | |
646 | arg = "inferior shell"; | |
647 | ||
648 | if (rc == -1) | |
649 | { | |
650 | fprintf_unfiltered (gdb_stderr, "Cannot execute %s: %s\n", arg, | |
651 | safe_strerror (errno)); | |
652 | gdb_flush (gdb_stderr); | |
653 | } | |
654 | else if (rc) | |
655 | { | |
656 | fprintf_unfiltered (gdb_stderr, "%s exited with status %d\n", arg, rc); | |
657 | gdb_flush (gdb_stderr); | |
658 | } | |
2584159e | 659 | #ifdef GLOBAL_CURDIR |
d318976c FN |
660 | /* Make sure to return to the directory GDB thinks it is, in case the |
661 | shell command we just ran changed it. */ | |
662 | chdir (current_directory); | |
663 | #endif | |
664 | #else /* Can fork. */ | |
665 | int rc, status, pid; | |
d318976c | 666 | |
325ed089 | 667 | if ((pid = vfork ()) == 0) |
d318976c | 668 | { |
30e94205 DJ |
669 | char *p, *user_shell; |
670 | ||
671 | if ((user_shell = (char *) getenv ("SHELL")) == NULL) | |
672 | user_shell = "/bin/sh"; | |
673 | ||
674 | /* Get the name of the shell for arg0 */ | |
675 | if ((p = strrchr (user_shell, '/')) == NULL) | |
676 | p = user_shell; | |
677 | else | |
678 | p++; /* Get past '/' */ | |
679 | ||
d318976c | 680 | if (!arg) |
36662fde | 681 | execl (user_shell, p, (char *) 0); |
d318976c | 682 | else |
36662fde | 683 | execl (user_shell, p, "-c", arg, (char *) 0); |
d318976c FN |
684 | |
685 | fprintf_unfiltered (gdb_stderr, "Cannot execute %s: %s\n", user_shell, | |
686 | safe_strerror (errno)); | |
687 | gdb_flush (gdb_stderr); | |
688 | _exit (0177); | |
689 | } | |
690 | ||
691 | if (pid != -1) | |
692 | while ((rc = wait (&status)) != pid && rc != -1) | |
693 | ; | |
694 | else | |
8a3fe4f8 | 695 | error (_("Fork failed")); |
d318976c FN |
696 | #endif /* Can fork. */ |
697 | } | |
698 | ||
0378c332 FN |
699 | static void |
700 | edit_command (char *arg, int from_tty) | |
701 | { | |
702 | struct symtabs_and_lines sals; | |
703 | struct symtab_and_line sal; | |
704 | struct symbol *sym; | |
705 | char *arg1; | |
0378c332 | 706 | char *editor; |
a955ca71 | 707 | char *p, *fn; |
0378c332 | 708 | |
d5529a84 | 709 | /* Pull in the current default source line if necessary. */ |
0378c332 | 710 | if (arg == 0) |
53cb0458 FN |
711 | { |
712 | set_default_source_symtab_and_line (); | |
713 | sal = get_current_source_symtab_and_line (); | |
714 | } | |
0378c332 FN |
715 | |
716 | /* bare "edit" edits file with present line. */ | |
717 | ||
718 | if (arg == 0) | |
719 | { | |
720 | if (sal.symtab == 0) | |
8a3fe4f8 | 721 | error (_("No default source file yet.")); |
0378c332 FN |
722 | sal.line += get_lines_to_list () / 2; |
723 | } | |
724 | else | |
725 | { | |
726 | ||
d5529a84 | 727 | /* Now should only be one argument -- decode it in SAL. */ |
0378c332 FN |
728 | |
729 | arg1 = arg; | |
68219205 | 730 | sals = decode_line_1 (&arg1, 0, 0, 0, 0, 0); |
0378c332 | 731 | |
d5529a84 TT |
732 | if (! sals.nelts) |
733 | { | |
734 | /* C++ */ | |
735 | return; | |
736 | } | |
737 | if (sals.nelts > 1) | |
738 | { | |
739 | ambiguous_line_spec (&sals); | |
740 | xfree (sals.sals); | |
741 | return; | |
742 | } | |
0378c332 FN |
743 | |
744 | sal = sals.sals[0]; | |
745 | xfree (sals.sals); | |
746 | ||
747 | if (*arg1) | |
8a3fe4f8 | 748 | error (_("Junk at end of line specification.")); |
0378c332 | 749 | |
d5529a84 | 750 | /* If line was specified by address, |
0378c332 FN |
751 | first print exactly which line, and which file. |
752 | In this case, sal.symtab == 0 means address is outside | |
753 | of all known source files, not that user failed to give a filename. */ | |
754 | if (*arg == '*') | |
755 | { | |
5af949e3 | 756 | struct gdbarch *gdbarch; |
0378c332 FN |
757 | if (sal.symtab == 0) |
758 | /* FIXME-32x64--assumes sal.pc fits in long. */ | |
8a3fe4f8 | 759 | error (_("No source file for address %s."), |
bb599908 | 760 | hex_string ((unsigned long) sal.pc)); |
5af949e3 UW |
761 | |
762 | gdbarch = get_objfile_arch (sal.symtab->objfile); | |
0378c332 FN |
763 | sym = find_pc_function (sal.pc); |
764 | if (sym) | |
5af949e3 UW |
765 | printf_filtered ("%s is in %s (%s:%d).\n", |
766 | paddress (gdbarch, sal.pc), | |
767 | SYMBOL_PRINT_NAME (sym), | |
768 | sal.symtab->filename, sal.line); | |
0378c332 | 769 | else |
5af949e3 UW |
770 | printf_filtered ("%s is at %s:%d.\n", |
771 | paddress (gdbarch, sal.pc), | |
50ee7535 | 772 | sal.symtab->filename, sal.line); |
0378c332 FN |
773 | } |
774 | ||
775 | /* If what was given does not imply a symtab, it must be an undebuggable | |
776 | symbol which means no source code. */ | |
777 | ||
778 | if (sal.symtab == 0) | |
8a3fe4f8 | 779 | error (_("No line number known for %s."), arg); |
0378c332 FN |
780 | } |
781 | ||
782 | if ((editor = (char *) getenv ("EDITOR")) == NULL) | |
783 | editor = "/bin/ex"; | |
a955ca71 | 784 | |
a955ca71 EZ |
785 | /* If we don't already know the full absolute file name of the |
786 | source file, find it now. */ | |
787 | if (!sal.symtab->fullname) | |
788 | { | |
789 | fn = symtab_to_fullname (sal.symtab); | |
790 | if (!fn) | |
791 | fn = "unknown"; | |
792 | } | |
793 | else | |
794 | fn = sal.symtab->fullname; | |
0378c332 | 795 | |
a955ca71 EZ |
796 | /* Quote the file name, in case it has whitespace or other special |
797 | characters. */ | |
798 | p = xstrprintf ("%s +%d \"%s\"", editor, sal.line, fn); | |
d5529a84 TT |
799 | shell_escape (p, from_tty); |
800 | xfree (p); | |
0378c332 FN |
801 | } |
802 | ||
803 | static void | |
804 | list_command (char *arg, int from_tty) | |
805 | { | |
806 | struct symtabs_and_lines sals, sals_end; | |
245c7f48 DJ |
807 | struct symtab_and_line sal = { 0 }; |
808 | struct symtab_and_line sal_end = { 0 }; | |
809 | struct symtab_and_line cursal = { 0 }; | |
0378c332 FN |
810 | struct symbol *sym; |
811 | char *arg1; | |
812 | int no_end = 1; | |
813 | int dummy_end = 0; | |
814 | int dummy_beg = 0; | |
815 | int linenum_beg = 0; | |
816 | char *p; | |
817 | ||
818 | /* Pull in the current default source line if necessary */ | |
819 | if (arg == 0 || arg[0] == '+' || arg[0] == '-') | |
53cb0458 FN |
820 | { |
821 | set_default_source_symtab_and_line (); | |
822 | cursal = get_current_source_symtab_and_line (); | |
823 | } | |
0378c332 FN |
824 | |
825 | /* "l" or "l +" lists next ten lines. */ | |
826 | ||
6314a349 | 827 | if (arg == 0 || strcmp (arg, "+") == 0) |
0378c332 FN |
828 | { |
829 | print_source_lines (cursal.symtab, cursal.line, | |
830 | cursal.line + get_lines_to_list (), 0); | |
831 | return; | |
832 | } | |
833 | ||
834 | /* "l -" lists previous ten lines, the ones before the ten just listed. */ | |
6314a349 | 835 | if (strcmp (arg, "-") == 0) |
0378c332 FN |
836 | { |
837 | print_source_lines (cursal.symtab, | |
838 | max (get_first_line_listed () - get_lines_to_list (), 1), | |
839 | get_first_line_listed (), 0); | |
840 | return; | |
841 | } | |
842 | ||
843 | /* Now if there is only one argument, decode it in SAL | |
844 | and set NO_END. | |
845 | If there are two arguments, decode them in SAL and SAL_END | |
846 | and clear NO_END; however, if one of the arguments is blank, | |
847 | set DUMMY_BEG or DUMMY_END to record that fact. */ | |
848 | ||
849 | if (!have_full_symbols () && !have_partial_symbols ()) | |
8a3fe4f8 | 850 | error (_("No symbol table is loaded. Use the \"file\" command.")); |
0378c332 FN |
851 | |
852 | arg1 = arg; | |
853 | if (*arg1 == ',') | |
854 | dummy_beg = 1; | |
855 | else | |
856 | { | |
68219205 | 857 | sals = decode_line_1 (&arg1, 0, 0, 0, 0, 0); |
0378c332 FN |
858 | |
859 | if (!sals.nelts) | |
860 | return; /* C++ */ | |
861 | if (sals.nelts > 1) | |
862 | { | |
863 | ambiguous_line_spec (&sals); | |
864 | xfree (sals.sals); | |
865 | return; | |
866 | } | |
867 | ||
868 | sal = sals.sals[0]; | |
869 | xfree (sals.sals); | |
870 | } | |
871 | ||
872 | /* Record whether the BEG arg is all digits. */ | |
873 | ||
874 | for (p = arg; p != arg1 && *p >= '0' && *p <= '9'; p++); | |
875 | linenum_beg = (p == arg1); | |
876 | ||
877 | while (*arg1 == ' ' || *arg1 == '\t') | |
878 | arg1++; | |
879 | if (*arg1 == ',') | |
880 | { | |
881 | no_end = 0; | |
882 | arg1++; | |
883 | while (*arg1 == ' ' || *arg1 == '\t') | |
884 | arg1++; | |
885 | if (*arg1 == 0) | |
886 | dummy_end = 1; | |
887 | else | |
888 | { | |
889 | if (dummy_beg) | |
68219205 | 890 | sals_end = decode_line_1 (&arg1, 0, 0, 0, 0, 0); |
0378c332 | 891 | else |
68219205 | 892 | sals_end = decode_line_1 (&arg1, 0, sal.symtab, sal.line, 0, 0); |
0378c332 FN |
893 | if (sals_end.nelts == 0) |
894 | return; | |
895 | if (sals_end.nelts > 1) | |
896 | { | |
897 | ambiguous_line_spec (&sals_end); | |
898 | xfree (sals_end.sals); | |
899 | return; | |
900 | } | |
901 | sal_end = sals_end.sals[0]; | |
902 | xfree (sals_end.sals); | |
903 | } | |
904 | } | |
905 | ||
906 | if (*arg1) | |
8a3fe4f8 | 907 | error (_("Junk at end of line specification.")); |
0378c332 FN |
908 | |
909 | if (!no_end && !dummy_beg && !dummy_end | |
910 | && sal.symtab != sal_end.symtab) | |
8a3fe4f8 | 911 | error (_("Specified start and end are in different files.")); |
0378c332 | 912 | if (dummy_beg && dummy_end) |
8a3fe4f8 | 913 | error (_("Two empty args do not say what lines to list.")); |
0378c332 FN |
914 | |
915 | /* if line was specified by address, | |
916 | first print exactly which line, and which file. | |
917 | In this case, sal.symtab == 0 means address is outside | |
918 | of all known source files, not that user failed to give a filename. */ | |
919 | if (*arg == '*') | |
920 | { | |
5af949e3 | 921 | struct gdbarch *gdbarch; |
0378c332 FN |
922 | if (sal.symtab == 0) |
923 | /* FIXME-32x64--assumes sal.pc fits in long. */ | |
8a3fe4f8 | 924 | error (_("No source file for address %s."), |
bb599908 | 925 | hex_string ((unsigned long) sal.pc)); |
5af949e3 UW |
926 | |
927 | gdbarch = get_objfile_arch (sal.symtab->objfile); | |
0378c332 FN |
928 | sym = find_pc_function (sal.pc); |
929 | if (sym) | |
50ee7535 | 930 | printf_filtered ("%s is in %s (%s:%d).\n", |
5af949e3 UW |
931 | paddress (gdbarch, sal.pc), |
932 | SYMBOL_PRINT_NAME (sym), | |
50ee7535 | 933 | sal.symtab->filename, sal.line); |
0378c332 | 934 | else |
5af949e3 UW |
935 | printf_filtered ("%s is at %s:%d.\n", |
936 | paddress (gdbarch, sal.pc), | |
50ee7535 | 937 | sal.symtab->filename, sal.line); |
0378c332 FN |
938 | } |
939 | ||
940 | /* If line was not specified by just a line number, | |
941 | and it does not imply a symtab, it must be an undebuggable symbol | |
942 | which means no source code. */ | |
943 | ||
944 | if (!linenum_beg && sal.symtab == 0) | |
8a3fe4f8 | 945 | error (_("No line number known for %s."), arg); |
0378c332 FN |
946 | |
947 | /* If this command is repeated with RET, | |
948 | turn it into the no-arg variant. */ | |
949 | ||
950 | if (from_tty) | |
951 | *arg = 0; | |
952 | ||
953 | if (dummy_beg && sal_end.symtab == 0) | |
8a3fe4f8 | 954 | error (_("No default source file yet. Do \"help list\".")); |
0378c332 FN |
955 | if (dummy_beg) |
956 | print_source_lines (sal_end.symtab, | |
957 | max (sal_end.line - (get_lines_to_list () - 1), 1), | |
958 | sal_end.line + 1, 0); | |
959 | else if (sal.symtab == 0) | |
8a3fe4f8 | 960 | error (_("No default source file yet. Do \"help list\".")); |
0378c332 FN |
961 | else if (no_end) |
962 | { | |
963 | int first_line = sal.line - get_lines_to_list () / 2; | |
964 | ||
965 | if (first_line < 1) first_line = 1; | |
966 | ||
967 | print_source_lines (sal.symtab, | |
968 | first_line, | |
969 | first_line + get_lines_to_list (), | |
970 | 0); | |
971 | } | |
972 | else | |
973 | print_source_lines (sal.symtab, sal.line, | |
974 | (dummy_end | |
975 | ? sal.line + get_lines_to_list () | |
976 | : sal_end.line + 1), | |
977 | 0); | |
978 | } | |
979 | ||
d14508fe DE |
980 | /* Subroutine of disassemble_command to simplify it. |
981 | Perform the disassembly. | |
982 | NAME is the name of the function if known, or NULL. | |
983 | [LOW,HIGH) are the range of addresses to disassemble. | |
984 | MIXED is non-zero to print source with the assembler. */ | |
985 | ||
986 | static void | |
13274fc3 | 987 | print_disassembly (struct gdbarch *gdbarch, const char *name, |
e6158f16 | 988 | CORE_ADDR low, CORE_ADDR high, int flags) |
d14508fe DE |
989 | { |
990 | #if defined(TUI) | |
991 | if (!tui_is_window_visible (DISASSEM_WIN)) | |
992 | #endif | |
993 | { | |
994 | printf_filtered ("Dump of assembler code "); | |
995 | if (name != NULL) | |
996 | printf_filtered ("for function %s:\n", name); | |
997 | else | |
5af949e3 UW |
998 | printf_filtered ("from %s to %s:\n", |
999 | paddress (gdbarch, low), paddress (gdbarch, high)); | |
d14508fe DE |
1000 | |
1001 | /* Dump the specified range. */ | |
e6158f16 | 1002 | gdb_disassembly (gdbarch, uiout, 0, flags, -1, low, high); |
d14508fe DE |
1003 | |
1004 | printf_filtered ("End of assembler dump.\n"); | |
1005 | gdb_flush (gdb_stdout); | |
1006 | } | |
1007 | #if defined(TUI) | |
1008 | else | |
1009 | { | |
13274fc3 | 1010 | tui_show_assembly (gdbarch, low); |
d14508fe DE |
1011 | } |
1012 | #endif | |
1013 | } | |
1014 | ||
1015 | /* Subroutine of disassemble_command to simplify it. | |
9c419145 | 1016 | Print a disassembly of the current function according to FLAGS. */ |
d14508fe DE |
1017 | |
1018 | static void | |
e6158f16 | 1019 | disassemble_current_function (int flags) |
d14508fe | 1020 | { |
13274fc3 UW |
1021 | struct frame_info *frame; |
1022 | struct gdbarch *gdbarch; | |
d14508fe DE |
1023 | CORE_ADDR low, high, pc; |
1024 | char *name; | |
1025 | ||
13274fc3 UW |
1026 | frame = get_selected_frame (_("No frame selected.")); |
1027 | gdbarch = get_frame_arch (frame); | |
1028 | pc = get_frame_pc (frame); | |
d14508fe DE |
1029 | if (find_pc_partial_function (pc, &name, &low, &high) == 0) |
1030 | error (_("No function contains program counter for selected frame.")); | |
1031 | #if defined(TUI) | |
1032 | /* NOTE: cagney/2003-02-13 The `tui_active' was previously | |
1033 | `tui_version'. */ | |
1034 | if (tui_active) | |
1035 | /* FIXME: cagney/2004-02-07: This should be an observer. */ | |
13274fc3 | 1036 | low = tui_get_low_disassembly_address (gdbarch, low, pc); |
d14508fe | 1037 | #endif |
13274fc3 | 1038 | low += gdbarch_deprecated_function_start_offset (gdbarch); |
d14508fe | 1039 | |
e6158f16 | 1040 | print_disassembly (gdbarch, name, low, high, flags); |
d14508fe DE |
1041 | } |
1042 | ||
1043 | /* Dump a specified section of assembly code. | |
1044 | ||
1045 | Usage: | |
e6158f16 | 1046 | disassemble [/mr] |
d14508fe | 1047 | - dump the assembly code for the function of the current pc |
e6158f16 | 1048 | disassemble [/mr] addr |
d14508fe | 1049 | - dump the assembly code for the function at ADDR |
e6158f16 | 1050 | disassemble [/mr] low high |
d14508fe DE |
1051 | - dump the assembly code in the range [LOW,HIGH) |
1052 | ||
e6158f16 HZ |
1053 | A /m modifier will include source code with the assembly. |
1054 | A /r modifier will include raw instructions in hex with the assembly. */ | |
83c31e7d | 1055 | |
83c31e7d FN |
1056 | static void |
1057 | disassemble_command (char *arg, int from_tty) | |
1058 | { | |
13274fc3 | 1059 | struct gdbarch *gdbarch = get_current_arch (); |
83c31e7d FN |
1060 | CORE_ADDR low, high; |
1061 | char *name; | |
1062 | CORE_ADDR pc, pc_masked; | |
e6158f16 | 1063 | int flags; |
83c31e7d FN |
1064 | |
1065 | name = NULL; | |
e6158f16 | 1066 | flags = 0; |
d14508fe DE |
1067 | |
1068 | if (arg && *arg == '/') | |
83c31e7d | 1069 | { |
d14508fe DE |
1070 | ++arg; |
1071 | ||
1072 | if (*arg == '\0') | |
1073 | error (_("Missing modifier.")); | |
1074 | ||
1075 | while (*arg && ! isspace (*arg)) | |
1076 | { | |
1077 | switch (*arg++) | |
1078 | { | |
1079 | case 'm': | |
e6158f16 HZ |
1080 | flags |= DISASSEMBLY_SOURCE; |
1081 | break; | |
1082 | case 'r': | |
1083 | flags |= DISASSEMBLY_RAW_INSN; | |
d14508fe DE |
1084 | break; |
1085 | default: | |
1086 | error (_("Invalid disassembly modifier.")); | |
1087 | } | |
1088 | } | |
1089 | ||
1090 | while (isspace (*arg)) | |
1091 | ++arg; | |
1092 | } | |
1093 | ||
1094 | if (! arg || ! *arg) | |
1095 | { | |
9c419145 | 1096 | flags |= DISASSEMBLY_OMIT_FNAME; |
e6158f16 | 1097 | disassemble_current_function (flags); |
d14508fe | 1098 | return; |
83c31e7d | 1099 | } |
d14508fe | 1100 | |
21a0512e PP |
1101 | pc = value_as_address (parse_to_comma_and_eval (&arg)); |
1102 | if (arg[0] == ',') | |
1103 | ++arg; | |
1104 | if (arg[0] == '\0') | |
83c31e7d FN |
1105 | { |
1106 | /* One argument. */ | |
83c31e7d | 1107 | if (find_pc_partial_function (pc, &name, &low, &high) == 0) |
8a3fe4f8 | 1108 | error (_("No function contains specified address.")); |
83c31e7d | 1109 | #if defined(TUI) |
021e7609 AC |
1110 | /* NOTE: cagney/2003-02-13 The `tui_active' was previously |
1111 | `tui_version'. */ | |
22940a24 AC |
1112 | if (tui_active) |
1113 | /* FIXME: cagney/2004-02-07: This should be an observer. */ | |
13274fc3 | 1114 | low = tui_get_low_disassembly_address (gdbarch, low, pc); |
83c31e7d | 1115 | #endif |
13274fc3 | 1116 | low += gdbarch_deprecated_function_start_offset (gdbarch); |
9c419145 | 1117 | flags |= DISASSEMBLY_OMIT_FNAME; |
83c31e7d FN |
1118 | } |
1119 | else | |
1120 | { | |
1121 | /* Two arguments. */ | |
21a0512e PP |
1122 | low = pc; |
1123 | high = parse_and_eval_address (arg); | |
83c31e7d FN |
1124 | } |
1125 | ||
e6158f16 | 1126 | print_disassembly (gdbarch, name, low, high, flags); |
83c31e7d FN |
1127 | } |
1128 | ||
d318976c FN |
1129 | static void |
1130 | make_command (char *arg, int from_tty) | |
1131 | { | |
1132 | char *p; | |
1133 | ||
1134 | if (arg == 0) | |
1135 | p = "make"; | |
1136 | else | |
1137 | { | |
1138 | p = xmalloc (sizeof ("make ") + strlen (arg)); | |
1139 | strcpy (p, "make "); | |
1140 | strcpy (p + sizeof ("make ") - 1, arg); | |
1141 | } | |
1142 | ||
1143 | shell_escape (p, from_tty); | |
1144 | } | |
1145 | ||
d318976c FN |
1146 | static void |
1147 | show_user (char *args, int from_tty) | |
1148 | { | |
1149 | struct cmd_list_element *c; | |
1150 | extern struct cmd_list_element *cmdlist; | |
1151 | ||
1152 | if (args) | |
1153 | { | |
adb483fe DJ |
1154 | char *comname = args; |
1155 | c = lookup_cmd (&comname, cmdlist, "", 0, 1); | |
d318976c | 1156 | if (c->class != class_user) |
8a3fe4f8 | 1157 | error (_("Not a user command.")); |
adb483fe | 1158 | show_user_1 (c, "", args, gdb_stdout); |
d318976c FN |
1159 | } |
1160 | else | |
1161 | { | |
1162 | for (c = cmdlist; c; c = c->next) | |
1163 | { | |
adb483fe DJ |
1164 | if (c->class == class_user || c->prefixlist != NULL) |
1165 | show_user_1 (c, "", c->name, gdb_stdout); | |
d318976c FN |
1166 | } |
1167 | } | |
1168 | } | |
1169 | ||
1170 | /* Search through names of commands and documentations for a certain | |
1171 | regular expression. | |
1172 | */ | |
1173 | void | |
1174 | apropos_command (char *searchstr, int from_tty) | |
1175 | { | |
1176 | extern struct cmd_list_element *cmdlist; /*This is the main command list*/ | |
1177 | regex_t pattern; | |
1178 | char *pattern_fastmap; | |
1179 | char errorbuffer[512]; | |
2e94c453 | 1180 | pattern_fastmap = xcalloc (256, sizeof (char)); |
d318976c | 1181 | if (searchstr == NULL) |
8a3fe4f8 | 1182 | error (_("REGEXP string is empty")); |
d318976c FN |
1183 | |
1184 | if (regcomp(&pattern,searchstr,REG_ICASE) == 0) | |
1185 | { | |
1186 | pattern.fastmap=pattern_fastmap; | |
1187 | re_compile_fastmap(&pattern); | |
1188 | apropos_cmd (gdb_stdout,cmdlist,&pattern,""); | |
1189 | } | |
1190 | else | |
1191 | { | |
1192 | regerror(regcomp(&pattern,searchstr,REG_ICASE),NULL,errorbuffer,512); | |
8a3fe4f8 | 1193 | error (_("Error in regular expression:%s"),errorbuffer); |
d318976c | 1194 | } |
2b5436af | 1195 | xfree (pattern_fastmap); |
d318976c FN |
1196 | } |
1197 | \f | |
0378c332 FN |
1198 | /* Print a list of files and line numbers which a user may choose from |
1199 | in order to list a function which was specified ambiguously (as with | |
1200 | `list classname::overloadedfuncname', for example). The vector in | |
1201 | SALS provides the filenames and line numbers. */ | |
1202 | ||
1203 | static void | |
1204 | ambiguous_line_spec (struct symtabs_and_lines *sals) | |
1205 | { | |
1206 | int i; | |
1207 | ||
1208 | for (i = 0; i < sals->nelts; ++i) | |
a3f17187 | 1209 | printf_filtered (_("file: \"%s\", line number: %d\n"), |
0378c332 FN |
1210 | sals->sals[i].symtab->filename, sals->sals[i].line); |
1211 | } | |
1212 | ||
d318976c FN |
1213 | static void |
1214 | set_debug (char *arg, int from_tty) | |
1215 | { | |
0380c18b | 1216 | printf_unfiltered (_("\"set debug\" must be followed by the name of a debug subcommand.\n")); |
d318976c FN |
1217 | help_list (setdebuglist, "set debug ", -1, gdb_stdout); |
1218 | } | |
1219 | ||
1220 | static void | |
1221 | show_debug (char *args, int from_tty) | |
1222 | { | |
1223 | cmd_show_list (showdebuglist, from_tty, ""); | |
1224 | } | |
1225 | ||
1226 | void | |
1227 | init_cmd_lists (void) | |
1228 | { | |
20f01a46 DH |
1229 | max_user_call_depth = 1024; |
1230 | ||
d318976c FN |
1231 | cmdlist = NULL; |
1232 | infolist = NULL; | |
1233 | enablelist = NULL; | |
1234 | disablelist = NULL; | |
1235 | togglelist = NULL; | |
1236 | stoplist = NULL; | |
1237 | deletelist = NULL; | |
f73adfeb | 1238 | detachlist = NULL; |
d318976c FN |
1239 | enablebreaklist = NULL; |
1240 | setlist = NULL; | |
1241 | unsetlist = NULL; | |
1242 | showlist = NULL; | |
1243 | sethistlist = NULL; | |
1244 | showhistlist = NULL; | |
1245 | unsethistlist = NULL; | |
1246 | maintenancelist = NULL; | |
1247 | maintenanceinfolist = NULL; | |
1248 | maintenanceprintlist = NULL; | |
1249 | setprintlist = NULL; | |
1250 | showprintlist = NULL; | |
1251 | setchecklist = NULL; | |
1252 | showchecklist = NULL; | |
1253 | } | |
1254 | ||
920d2a44 AC |
1255 | static void |
1256 | show_info_verbose (struct ui_file *file, int from_tty, | |
1257 | struct cmd_list_element *c, | |
1258 | const char *value) | |
1259 | { | |
1260 | if (info_verbose) | |
1261 | fprintf_filtered (file, _("\ | |
1262 | Verbose printing of informational messages is %s.\n"), value); | |
1263 | else | |
1264 | fprintf_filtered (file, _("Verbosity is %s.\n"), value); | |
1265 | } | |
1266 | ||
1267 | static void | |
1268 | show_history_expansion_p (struct ui_file *file, int from_tty, | |
1269 | struct cmd_list_element *c, const char *value) | |
1270 | { | |
1271 | fprintf_filtered (file, _("History expansion on command input is %s.\n"), | |
1272 | value); | |
1273 | } | |
1274 | ||
1275 | static void | |
1276 | show_baud_rate (struct ui_file *file, int from_tty, | |
1277 | struct cmd_list_element *c, const char *value) | |
1278 | { | |
1279 | fprintf_filtered (file, _("Baud rate for remote serial I/O is %s.\n"), | |
1280 | value); | |
1281 | } | |
1282 | ||
1283 | static void | |
1284 | show_remote_debug (struct ui_file *file, int from_tty, | |
1285 | struct cmd_list_element *c, const char *value) | |
1286 | { | |
1287 | fprintf_filtered (file, _("Debugging of remote protocol is %s.\n"), | |
1288 | value); | |
1289 | } | |
1290 | ||
1291 | static void | |
1292 | show_remote_timeout (struct ui_file *file, int from_tty, | |
1293 | struct cmd_list_element *c, const char *value) | |
1294 | { | |
1295 | fprintf_filtered (file, _("\ | |
1296 | Timeout limit to wait for target to respond is %s.\n"), | |
1297 | value); | |
1298 | } | |
1299 | ||
1300 | static void | |
1301 | show_max_user_call_depth (struct ui_file *file, int from_tty, | |
1302 | struct cmd_list_element *c, const char *value) | |
1303 | { | |
1304 | fprintf_filtered (file, _("\ | |
1305 | The max call depth for user-defined commands is %s.\n"), | |
1306 | value); | |
1307 | } | |
1308 | ||
d318976c FN |
1309 | \f |
1310 | void | |
1311 | init_cli_cmds (void) | |
1312 | { | |
1313 | struct cmd_list_element *c; | |
eaae3919 | 1314 | char *source_help_text; |
d318976c FN |
1315 | |
1316 | /* Define the classes of commands. | |
1317 | They will appear in the help list in the reverse of this order. */ | |
1318 | ||
1a966eab AC |
1319 | add_cmd ("internals", class_maintenance, NULL, _("\ |
1320 | Maintenance commands.\n\ | |
d318976c FN |
1321 | Some gdb commands are provided just for use by gdb maintainers.\n\ |
1322 | These commands are subject to frequent change, and may not be as\n\ | |
1a966eab | 1323 | well documented as user commands."), |
d318976c | 1324 | &cmdlist); |
1a966eab AC |
1325 | add_cmd ("obscure", class_obscure, NULL, _("Obscure features."), &cmdlist); |
1326 | add_cmd ("aliases", class_alias, NULL, _("Aliases of other commands."), &cmdlist); | |
1327 | add_cmd ("user-defined", class_user, NULL, _("\ | |
1328 | User-defined commands.\n\ | |
d318976c | 1329 | The commands in this class are those defined by the user.\n\ |
1a966eab AC |
1330 | Use the \"define\" command to define a command."), &cmdlist); |
1331 | add_cmd ("support", class_support, NULL, _("Support facilities."), &cmdlist); | |
d318976c | 1332 | if (!dbx_commands) |
1a966eab AC |
1333 | add_cmd ("status", class_info, NULL, _("Status inquiries."), &cmdlist); |
1334 | add_cmd ("files", class_files, NULL, _("Specifying and examining files."), | |
1335 | &cmdlist); | |
1336 | add_cmd ("breakpoints", class_breakpoint, NULL, | |
1337 | _("Making program stop at certain points."), &cmdlist); | |
1338 | add_cmd ("data", class_vars, NULL, _("Examining data."), &cmdlist); | |
1339 | add_cmd ("stack", class_stack, NULL, _("\ | |
1340 | Examining the stack.\n\ | |
d318976c FN |
1341 | The stack is made up of stack frames. Gdb assigns numbers to stack frames\n\ |
1342 | counting from zero for the innermost (currently executing) frame.\n\n\ | |
1343 | At any time gdb identifies one frame as the \"selected\" frame.\n\ | |
1344 | Variable lookups are done with respect to the selected frame.\n\ | |
1345 | When the program being debugged stops, gdb selects the innermost frame.\n\ | |
1a966eab | 1346 | The commands below can be used to select other frames by number or address."), |
d318976c | 1347 | &cmdlist); |
1a966eab | 1348 | add_cmd ("running", class_run, NULL, _("Running the program."), &cmdlist); |
d318976c FN |
1349 | |
1350 | /* Define general commands. */ | |
1351 | ||
d729566a | 1352 | add_com ("pwd", class_files, pwd_command, _("\ |
1bedd215 | 1353 | Print working directory. This is used for your program as well.")); |
4f8d22e3 | 1354 | |
1a966eab AC |
1355 | c = add_cmd ("cd", class_files, cd_command, _("\ |
1356 | Set working directory to DIR for debugger and program being debugged.\n\ | |
d318976c | 1357 | The change does not take effect for the program being debugged\n\ |
1a966eab | 1358 | until the next time it is started."), &cmdlist); |
5ba2abeb | 1359 | set_cmd_completer (c, filename_completer); |
d318976c | 1360 | |
1bedd215 AC |
1361 | add_com ("echo", class_support, echo_command, _("\ |
1362 | Print a constant string. Give string as argument.\n\ | |
d318976c FN |
1363 | C escape sequences may be used in the argument.\n\ |
1364 | No newline is added at the end of the argument;\n\ | |
1365 | use \"\\n\" if you want a newline to be printed.\n\ | |
1366 | Since leading and trailing whitespace are ignored in command arguments,\n\ | |
1367 | if you want to print some you must use \"\\\" before leading whitespace\n\ | |
1bedd215 AC |
1368 | to be printed or after trailing whitespace.")); |
1369 | add_com ("document", class_support, document_command, _("\ | |
1370 | Document a user-defined command.\n\ | |
d318976c | 1371 | Give command name as argument. Give documentation on following lines.\n\ |
1bedd215 AC |
1372 | End with a line of just \"end\".")); |
1373 | add_com ("define", class_support, define_command, _("\ | |
1374 | Define a new command name. Command name is argument.\n\ | |
d318976c FN |
1375 | Definition appears on following lines, one command per line.\n\ |
1376 | End with a line of just \"end\".\n\ | |
1377 | Use the \"document\" command to give documentation for the new command.\n\ | |
1bedd215 | 1378 | Commands defined in this way may have up to ten arguments.")); |
d318976c | 1379 | |
eaae3919 | 1380 | source_help_text = xstrprintf (_("\ |
1a966eab | 1381 | Read commands from a file named FILE.\n\ |
16026cd7 AS |
1382 | Optional -v switch (before the filename) causes each command in\n\ |
1383 | FILE to be echoed as it is executed.\n\ | |
eaae3919 | 1384 | Note that the file \"%s\" is read automatically in this way\n\ |
16026cd7 | 1385 | when GDB is started."), gdbinit); |
eaae3919 EZ |
1386 | c = add_cmd ("source", class_support, source_command, |
1387 | source_help_text, &cmdlist); | |
5ba2abeb | 1388 | set_cmd_completer (c, filename_completer); |
d318976c | 1389 | |
973817a3 JB |
1390 | add_setshow_enum_cmd ("script-extension", class_support, |
1391 | script_ext_enums, &script_ext_mode, _("\ | |
1392 | Set mode for script filename extension recognition."), _("\ | |
1393 | Show mode for script filename extension recognition."), _("\ | |
1394 | off == no filename extension recognition (all sourced files are GDB scripts)\n\ | |
1395 | soft == evaluate script according to filename extension, fallback to GDB script" | |
1396 | "\n\ | |
1397 | strict == evaluate script according to filename extension, error if not supported" | |
1398 | ), | |
1399 | NULL, | |
1400 | show_script_ext_mode, | |
1401 | &setlist, &showlist); | |
1402 | ||
1bedd215 AC |
1403 | add_com ("quit", class_support, quit_command, _("Exit gdb.")); |
1404 | c = add_com ("help", class_support, help_command, | |
1405 | _("Print list of commands.")); | |
5ba2abeb | 1406 | set_cmd_completer (c, command_completer); |
d318976c FN |
1407 | add_com_alias ("q", "quit", class_support, 1); |
1408 | add_com_alias ("h", "help", class_support, 1); | |
1409 | ||
5bf193a2 AC |
1410 | add_setshow_boolean_cmd ("verbose", class_support, &info_verbose, _("\ |
1411 | Set verbosity."), _("\ | |
1412 | Show verbosity."), NULL, | |
1413 | set_verbose, | |
920d2a44 | 1414 | show_info_verbose, |
5bf193a2 | 1415 | &setlist, &showlist); |
d318976c FN |
1416 | |
1417 | add_prefix_cmd ("history", class_support, set_history, | |
1bedd215 | 1418 | _("Generic command for setting command history parameters."), |
d318976c FN |
1419 | &sethistlist, "set history ", 0, &setlist); |
1420 | add_prefix_cmd ("history", class_support, show_history, | |
1bedd215 | 1421 | _("Generic command for showing command history parameters."), |
d318976c FN |
1422 | &showhistlist, "show history ", 0, &showlist); |
1423 | ||
5bf193a2 AC |
1424 | add_setshow_boolean_cmd ("expansion", no_class, &history_expansion_p, _("\ |
1425 | Set history expansion on command input."), _("\ | |
1426 | Show history expansion on command input."), _("\ | |
1427 | Without an argument, history expansion is enabled."), | |
1428 | NULL, | |
920d2a44 | 1429 | show_history_expansion_p, |
5bf193a2 | 1430 | &sethistlist, &showhistlist); |
d318976c | 1431 | |
d729566a | 1432 | add_prefix_cmd ("info", class_info, info_command, _("\ |
1bedd215 | 1433 | Generic command for showing things about the program being debugged."), |
d729566a | 1434 | &infolist, "info ", 0, &cmdlist); |
d318976c | 1435 | add_com_alias ("i", "info", class_info, 1); |
a177aad3 | 1436 | add_com_alias ("inf", "info", class_info, 1); |
d318976c FN |
1437 | |
1438 | add_com ("complete", class_obscure, complete_command, | |
1bedd215 | 1439 | _("List the completions for the rest of the line as a command.")); |
d318976c | 1440 | |
d729566a | 1441 | add_prefix_cmd ("show", class_info, show_command, _("\ |
700b53b1 | 1442 | Generic command for showing things about the debugger."), |
d729566a | 1443 | &showlist, "show ", 0, &cmdlist); |
d318976c | 1444 | /* Another way to get at the same thing. */ |
1bedd215 | 1445 | add_info ("set", show_command, _("Show all GDB settings.")); |
d318976c | 1446 | |
1a966eab AC |
1447 | add_cmd ("commands", no_class, show_commands, _("\ |
1448 | Show the history of commands you typed.\n\ | |
d318976c | 1449 | You can supply a command number to start with, or a `+' to start after\n\ |
1a966eab | 1450 | the previous command number shown."), |
d318976c FN |
1451 | &showlist); |
1452 | ||
1453 | add_cmd ("version", no_class, show_version, | |
1a966eab | 1454 | _("Show what version of GDB this is."), &showlist); |
d318976c | 1455 | |
1bedd215 AC |
1456 | add_com ("while", class_support, while_command, _("\ |
1457 | Execute nested commands WHILE the conditional expression is non zero.\n\ | |
d318976c FN |
1458 | The conditional expression must follow the word `while' and must in turn be\n\ |
1459 | followed by a new line. The nested commands must be entered one per line,\n\ | |
1bedd215 | 1460 | and should be terminated by the word `end'.")); |
d318976c | 1461 | |
1bedd215 AC |
1462 | add_com ("if", class_support, if_command, _("\ |
1463 | Execute nested commands once IF the conditional expression is non zero.\n\ | |
d318976c FN |
1464 | The conditional expression must follow the word `if' and must in turn be\n\ |
1465 | followed by a new line. The nested commands must be entered one per line,\n\ | |
1466 | and should be terminated by the word 'else' or `end'. If an else clause\n\ | |
1bedd215 | 1467 | is used, the same rules apply to its nested commands as to the first ones.")); |
d318976c FN |
1468 | |
1469 | /* If target is open when baud changes, it doesn't take effect until the | |
1470 | next open (I think, not sure). */ | |
85c07804 AC |
1471 | add_setshow_zinteger_cmd ("remotebaud", no_class, &baud_rate, _("\ |
1472 | Set baud rate for remote serial I/O."), _("\ | |
1473 | Show baud rate for remote serial I/O."), _("\ | |
d318976c | 1474 | This value is used to set the speed of the serial port when debugging\n\ |
85c07804 AC |
1475 | using remote targets."), |
1476 | NULL, | |
920d2a44 | 1477 | show_baud_rate, |
85c07804 AC |
1478 | &setlist, &showlist); |
1479 | ||
1480 | add_setshow_zinteger_cmd ("remote", no_class, &remote_debug, _("\ | |
1481 | Set debugging of remote protocol."), _("\ | |
1482 | Show debugging of remote protocol."), _("\ | |
d318976c | 1483 | When enabled, each packet sent or received with the remote target\n\ |
85c07804 AC |
1484 | is displayed."), |
1485 | NULL, | |
920d2a44 | 1486 | show_remote_debug, |
85c07804 | 1487 | &setdebuglist, &showdebuglist); |
d318976c | 1488 | |
c0d88b1b AC |
1489 | add_setshow_integer_cmd ("remotetimeout", no_class, &remote_timeout, _("\ |
1490 | Set timeout limit to wait for target to respond."), _("\ | |
1491 | Show timeout limit to wait for target to respond."), _("\ | |
d318976c | 1492 | This value is used to set the time limit for gdb to wait for a response\n\ |
c0d88b1b AC |
1493 | from the target."), |
1494 | NULL, | |
920d2a44 | 1495 | show_remote_timeout, |
c0d88b1b | 1496 | &setlist, &showlist); |
d318976c FN |
1497 | |
1498 | add_prefix_cmd ("debug", no_class, set_debug, | |
1bedd215 | 1499 | _("Generic command for setting gdb debugging flags"), |
d318976c FN |
1500 | &setdebuglist, "set debug ", 0, &setlist); |
1501 | ||
1502 | add_prefix_cmd ("debug", no_class, show_debug, | |
1bedd215 | 1503 | _("Generic command for showing gdb debugging flags"), |
d318976c FN |
1504 | &showdebuglist, "show debug ", 0, &showlist); |
1505 | ||
1bedd215 AC |
1506 | c = add_com ("shell", class_support, shell_escape, _("\ |
1507 | Execute the rest of the line as a shell command.\n\ | |
1508 | With no arguments, run an inferior shell.")); | |
5ba2abeb | 1509 | set_cmd_completer (c, filename_completer); |
d318976c | 1510 | |
1bedd215 AC |
1511 | c = add_com ("edit", class_files, edit_command, _("\ |
1512 | Edit specified file or function.\n\ | |
0378c332 | 1513 | With no argument, edits file containing most recent line listed.\n\ |
0378c332 FN |
1514 | Editing targets can be specified in these ways:\n\ |
1515 | FILE:LINENUM, to edit at that line in that file,\n\ | |
1516 | FUNCTION, to edit at the beginning of that function,\n\ | |
1517 | FILE:FUNCTION, to distinguish among like-named static functions.\n\ | |
1518 | *ADDRESS, to edit at the line containing that address.\n\ | |
1bedd215 | 1519 | Uses EDITOR environment variable contents as editor (or ex as default).")); |
0378c332 FN |
1520 | |
1521 | c->completer = location_completer; | |
1522 | ||
1bedd215 AC |
1523 | add_com ("list", class_files, list_command, _("\ |
1524 | List specified function or line.\n\ | |
0378c332 FN |
1525 | With no argument, lists ten more lines after or around previous listing.\n\ |
1526 | \"list -\" lists the ten lines before a previous ten-line listing.\n\ | |
1527 | One argument specifies a line, and ten lines are listed around that line.\n\ | |
1528 | Two arguments with comma between specify starting and ending lines to list.\n\ | |
0378c332 FN |
1529 | Lines can be specified in these ways:\n\ |
1530 | LINENUM, to list around that line in current file,\n\ | |
1531 | FILE:LINENUM, to list around that line in that file,\n\ | |
1532 | FUNCTION, to list around beginning of that function,\n\ | |
1533 | FILE:FUNCTION, to distinguish among like-named static functions.\n\ | |
1534 | *ADDRESS, to list around the line containing that address.\n\ | |
1bedd215 | 1535 | With two args if one is empty it stands for ten lines away from the other arg.")); |
0378c332 FN |
1536 | |
1537 | if (!xdb_commands) | |
1538 | add_com_alias ("l", "list", class_files, 1); | |
1539 | else | |
1540 | add_com_alias ("v", "list", class_files, 1); | |
1541 | ||
1542 | if (dbx_commands) | |
1543 | add_com_alias ("file", "list", class_files, 1); | |
1544 | ||
1bedd215 AC |
1545 | c = add_com ("disassemble", class_vars, disassemble_command, _("\ |
1546 | Disassemble a specified section of memory.\n\ | |
83c31e7d | 1547 | Default is the function surrounding the pc of the selected frame.\n\ |
d14508fe | 1548 | With a /m modifier, source lines are included (if available).\n\ |
e6158f16 | 1549 | With a /r modifier, raw instructions in hex are included.\n\ |
83c31e7d | 1550 | With a single argument, the function surrounding that address is dumped.\n\ |
21a0512e | 1551 | Two arguments (separated by a comma) are taken as a range of memory to dump.")); |
83c31e7d FN |
1552 | set_cmd_completer (c, location_completer); |
1553 | if (xdb_commands) | |
1554 | add_com_alias ("va", "disassemble", class_xdb, 0); | |
0378c332 | 1555 | |
d318976c FN |
1556 | /* NOTE: cagney/2000-03-20: Being able to enter ``(gdb) !ls'' would |
1557 | be a really useful feature. Unfortunately, the below wont do | |
1558 | this. Instead it adds support for the form ``(gdb) ! ls'' | |
1559 | (i.e. the space is required). If the ``!'' command below is | |
1560 | added the complains about no ``!'' command would be replaced by | |
1561 | complains about how the ``!'' command is broken :-) */ | |
1562 | if (xdb_commands) | |
1563 | add_com_alias ("!", "shell", class_support, 0); | |
1564 | ||
1bedd215 AC |
1565 | c = add_com ("make", class_support, make_command, _("\ |
1566 | Run the ``make'' program using the rest of the line as arguments.")); | |
5ba2abeb | 1567 | set_cmd_completer (c, filename_completer); |
1a966eab AC |
1568 | add_cmd ("user", no_class, show_user, _("\ |
1569 | Show definitions of user defined commands.\n\ | |
d318976c | 1570 | Argument is the name of the user defined command.\n\ |
1a966eab | 1571 | With no argument, show definitions of all user defined commands."), &showlist); |
1bedd215 AC |
1572 | add_com ("apropos", class_support, apropos_command, |
1573 | _("Search for commands matching a REGEXP")); | |
20f01a46 | 1574 | |
c0d88b1b AC |
1575 | add_setshow_integer_cmd ("max-user-call-depth", no_class, |
1576 | &max_user_call_depth, _("\ | |
1577 | Set the max call depth for user-defined commands."), _("\ | |
1578 | Show the max call depth for user-defined commands."), NULL, | |
1579 | NULL, | |
920d2a44 | 1580 | show_max_user_call_depth, |
c0d88b1b | 1581 | &setlist, &showlist); |
16026cd7 AS |
1582 | |
1583 | add_setshow_boolean_cmd ("trace-commands", no_class, &trace_commands, _("\ | |
1584 | Set tracing of GDB CLI commands."), _("\ | |
1585 | Show state of GDB CLI command tracing."), _("\ | |
1586 | When 'on', each command is displayed as it is executed."), | |
1587 | NULL, | |
1588 | NULL, | |
1589 | &setlist, &showlist); | |
d318976c | 1590 | } |