Commit | Line | Data |
---|---|---|
d318976c | 1 | /* GDB CLI commands. |
8926118c | 2 | |
ecd75fc8 | 3 | Copyright (C) 2000-2014 Free Software Foundation, Inc. |
d318976c FN |
4 | |
5 | This file is part of GDB. | |
6 | ||
7 | This program is free software; you can redistribute it and/or modify | |
8 | it under the terms of the GNU General Public License as published by | |
a9762ec7 | 9 | the Free Software Foundation; either version 3 of the License, or |
d318976c FN |
10 | (at your option) any later version. |
11 | ||
12 | This program is distributed in the hope that it will be useful, | |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | GNU General Public License for more details. | |
16 | ||
17 | You should have received a copy of the GNU General Public License | |
a9762ec7 | 18 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
d318976c FN |
19 | |
20 | #include "defs.h" | |
13274fc3 | 21 | #include "arch-utils.h" |
5a56e9c5 | 22 | #include "dyn-string.h" |
dbda9972 AC |
23 | #include "readline/readline.h" |
24 | #include "readline/tilde.h" | |
d318976c | 25 | #include "completer.h" |
ebcd3b23 MS |
26 | #include "target.h" /* For baud_rate, remote_debug and remote_timeout. */ |
27 | #include "gdb_wait.h" /* For shell escape implementation. */ | |
28 | #include "gdb_regex.h" /* Used by apropos_command. */ | |
325ed089 | 29 | #include "gdb_vfork.h" |
0378c332 FN |
30 | #include "linespec.h" |
31 | #include "expression.h" | |
83c31e7d FN |
32 | #include "frame.h" |
33 | #include "value.h" | |
0378c332 | 34 | #include "language.h" |
ebcd3b23 | 35 | #include "filenames.h" /* For DOSish file names. */ |
0378c332 FN |
36 | #include "objfiles.h" |
37 | #include "source.h" | |
83c31e7d | 38 | #include "disasm.h" |
33da3f1c | 39 | #include "tracepoint.h" |
614c279d | 40 | #include "filestuff.h" |
d318976c | 41 | |
d318976c | 42 | #include "ui-out.h" |
d318976c FN |
43 | |
44 | #include "top.h" | |
45 | #include "cli/cli-decode.h" | |
46 | #include "cli/cli-script.h" | |
47 | #include "cli/cli-setshow.h" | |
48 | #include "cli/cli-cmds.h" | |
529480d0 | 49 | #include "cli/cli-utils.h" |
d318976c | 50 | |
6dddc817 | 51 | #include "extension.h" |
973817a3 | 52 | |
6a83354a | 53 | #ifdef TUI |
ebcd3b23 | 54 | #include "tui/tui.h" /* For tui_active et.al. */ |
6a83354a AC |
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 | ||
0378c332 FN |
89 | /* Prototypes for local utility functions */ |
90 | ||
91 | static void ambiguous_line_spec (struct symtabs_and_lines *); | |
f8eba3c6 TT |
92 | |
93 | static void filter_sals (struct symtabs_and_lines *); | |
94 | ||
d318976c | 95 | \f |
20f01a46 | 96 | /* Limit the call depth of user-defined commands */ |
883b9c6c | 97 | unsigned int max_user_call_depth; |
20f01a46 | 98 | |
d318976c FN |
99 | /* Define all cmd_list_elements. */ |
100 | ||
101 | /* Chain containing all defined commands. */ | |
102 | ||
103 | struct cmd_list_element *cmdlist; | |
104 | ||
105 | /* Chain containing all defined info subcommands. */ | |
106 | ||
107 | struct cmd_list_element *infolist; | |
108 | ||
ebcd3b23 | 109 | /* Chain containing all defined enable subcommands. */ |
d318976c FN |
110 | |
111 | struct cmd_list_element *enablelist; | |
112 | ||
ebcd3b23 | 113 | /* Chain containing all defined disable subcommands. */ |
d318976c FN |
114 | |
115 | struct cmd_list_element *disablelist; | |
116 | ||
ebcd3b23 | 117 | /* Chain containing all defined stop subcommands. */ |
d318976c FN |
118 | |
119 | struct cmd_list_element *stoplist; | |
120 | ||
ebcd3b23 | 121 | /* Chain containing all defined delete subcommands. */ |
d318976c FN |
122 | |
123 | struct cmd_list_element *deletelist; | |
124 | ||
ebcd3b23 | 125 | /* Chain containing all defined detach subcommands. */ |
f73adfeb AS |
126 | |
127 | struct cmd_list_element *detachlist; | |
128 | ||
ebcd3b23 | 129 | /* Chain containing all defined kill subcommands. */ |
2277426b PA |
130 | |
131 | struct cmd_list_element *killlist; | |
132 | ||
d318976c FN |
133 | /* Chain containing all defined set subcommands */ |
134 | ||
135 | struct cmd_list_element *setlist; | |
136 | ||
137 | /* Chain containing all defined unset subcommands */ | |
138 | ||
139 | struct cmd_list_element *unsetlist; | |
140 | ||
141 | /* Chain containing all defined show subcommands. */ | |
142 | ||
143 | struct cmd_list_element *showlist; | |
144 | ||
145 | /* Chain containing all defined \"set history\". */ | |
146 | ||
147 | struct cmd_list_element *sethistlist; | |
148 | ||
149 | /* Chain containing all defined \"show history\". */ | |
150 | ||
151 | struct cmd_list_element *showhistlist; | |
152 | ||
153 | /* Chain containing all defined \"unset history\". */ | |
154 | ||
155 | struct cmd_list_element *unsethistlist; | |
156 | ||
ebcd3b23 | 157 | /* Chain containing all defined maintenance subcommands. */ |
d318976c FN |
158 | |
159 | struct cmd_list_element *maintenancelist; | |
160 | ||
ebcd3b23 | 161 | /* Chain containing all defined "maintenance info" subcommands. */ |
d318976c FN |
162 | |
163 | struct cmd_list_element *maintenanceinfolist; | |
164 | ||
ebcd3b23 | 165 | /* Chain containing all defined "maintenance print" subcommands. */ |
d318976c FN |
166 | |
167 | struct cmd_list_element *maintenanceprintlist; | |
168 | ||
169 | struct cmd_list_element *setprintlist; | |
170 | ||
171 | struct cmd_list_element *showprintlist; | |
172 | ||
173 | struct cmd_list_element *setdebuglist; | |
174 | ||
175 | struct cmd_list_element *showdebuglist; | |
176 | ||
177 | struct cmd_list_element *setchecklist; | |
178 | ||
179 | struct cmd_list_element *showchecklist; | |
16026cd7 AS |
180 | |
181 | /* Command tracing state. */ | |
182 | ||
183 | int source_verbose = 0; | |
184 | int trace_commands = 0; | |
d318976c | 185 | \f |
973817a3 JB |
186 | /* 'script-extension' option support. */ |
187 | ||
188 | static const char script_ext_off[] = "off"; | |
189 | static const char script_ext_soft[] = "soft"; | |
190 | static const char script_ext_strict[] = "strict"; | |
191 | ||
40478521 | 192 | static const char *const script_ext_enums[] = { |
973817a3 JB |
193 | script_ext_off, |
194 | script_ext_soft, | |
195 | script_ext_strict, | |
196 | NULL | |
197 | }; | |
198 | ||
199 | static const char *script_ext_mode = script_ext_soft; | |
200 | \f | |
d318976c | 201 | /* Utility used everywhere when at least one argument is needed and |
ebcd3b23 | 202 | none is supplied. */ |
d318976c FN |
203 | |
204 | void | |
5b10184c | 205 | error_no_arg (const char *why) |
d318976c | 206 | { |
8a3fe4f8 | 207 | error (_("Argument required (%s)."), why); |
d318976c FN |
208 | } |
209 | ||
210 | /* The "info" command is defined as a prefix, with allow_unknown = 0. | |
ebcd3b23 MS |
211 | Therefore, its own definition is called only for "info" with no |
212 | args. */ | |
d318976c | 213 | |
d318976c FN |
214 | static void |
215 | info_command (char *arg, int from_tty) | |
216 | { | |
9a2b4c1b MS |
217 | printf_unfiltered (_("\"info\" must be followed by " |
218 | "the name of an info command.\n")); | |
635c7e8a | 219 | help_list (infolist, "info ", all_commands, gdb_stdout); |
d318976c FN |
220 | } |
221 | ||
222 | /* The "show" command with no arguments shows all the settings. */ | |
223 | ||
d318976c FN |
224 | static void |
225 | show_command (char *arg, int from_tty) | |
226 | { | |
227 | cmd_show_list (showlist, from_tty, ""); | |
228 | } | |
229 | \f | |
230 | /* Provide documentation on command or list given by COMMAND. FROM_TTY | |
231 | is ignored. */ | |
232 | ||
d318976c FN |
233 | static void |
234 | help_command (char *command, int from_tty) | |
235 | { | |
236 | help_cmd (command, gdb_stdout); | |
237 | } | |
238 | \f | |
239 | /* The "complete" command is used by Emacs to implement completion. */ | |
240 | ||
d318976c FN |
241 | static void |
242 | complete_command (char *arg, int from_tty) | |
243 | { | |
d318976c | 244 | int argpoint; |
49c4e619 TT |
245 | char *point, *arg_prefix; |
246 | VEC (char_ptr) *completions; | |
d318976c FN |
247 | |
248 | dont_repeat (); | |
249 | ||
250 | if (arg == NULL) | |
251 | arg = ""; | |
252 | argpoint = strlen (arg); | |
253 | ||
ebcd3b23 MS |
254 | /* complete_line assumes that its first argument is somewhere |
255 | within, and except for filenames at the beginning of, the word to | |
256 | be completed. The following crude imitation of readline's | |
257 | word-breaking tries to accomodate this. */ | |
d9b52655 DJ |
258 | point = arg + argpoint; |
259 | while (point > arg) | |
260 | { | |
261 | if (strchr (rl_completer_word_break_characters, point[-1]) != 0) | |
262 | break; | |
263 | point--; | |
264 | } | |
265 | ||
266 | arg_prefix = alloca (point - arg + 1); | |
267 | memcpy (arg_prefix, arg, point - arg); | |
268 | arg_prefix[point - arg] = 0; | |
269 | ||
270 | completions = complete_line (point, arg, argpoint); | |
83d31a92 TT |
271 | |
272 | if (completions) | |
d318976c | 273 | { |
49c4e619 TT |
274 | int ix, size = VEC_length (char_ptr, completions); |
275 | char *item, *prev = NULL; | |
83d31a92 | 276 | |
49c4e619 TT |
277 | qsort (VEC_address (char_ptr, completions), size, |
278 | sizeof (char *), compare_strings); | |
83d31a92 TT |
279 | |
280 | /* We do extra processing here since we only want to print each | |
281 | unique item once. */ | |
49c4e619 | 282 | for (ix = 0; VEC_iterate (char_ptr, completions, ix, item); ++ix) |
83d31a92 | 283 | { |
49c4e619 | 284 | if (prev == NULL || strcmp (item, prev) != 0) |
83d31a92 | 285 | { |
49c4e619 TT |
286 | printf_unfiltered ("%s%s\n", arg_prefix, item); |
287 | xfree (prev); | |
288 | prev = item; | |
83d31a92 | 289 | } |
49c4e619 TT |
290 | else |
291 | xfree (item); | |
83d31a92 TT |
292 | } |
293 | ||
49c4e619 TT |
294 | xfree (prev); |
295 | VEC_free (char_ptr, completions); | |
d318976c FN |
296 | } |
297 | } | |
298 | ||
bbaca940 AC |
299 | int |
300 | is_complete_command (struct cmd_list_element *c) | |
d318976c | 301 | { |
bbaca940 | 302 | return cmd_cfunc_eq (c, complete_command); |
d318976c FN |
303 | } |
304 | ||
d318976c FN |
305 | static void |
306 | show_version (char *args, int from_tty) | |
307 | { | |
d318976c FN |
308 | print_gdb_version (gdb_stdout); |
309 | printf_filtered ("\n"); | |
d318976c FN |
310 | } |
311 | ||
6eaaf48b EZ |
312 | static void |
313 | show_configuration (char *args, int from_tty) | |
314 | { | |
315 | print_gdb_configuration (gdb_stdout); | |
316 | } | |
317 | ||
d318976c FN |
318 | /* Handle the quit command. */ |
319 | ||
320 | void | |
321 | quit_command (char *args, int from_tty) | |
322 | { | |
323 | if (!quit_confirm ()) | |
8a3fe4f8 | 324 | error (_("Not confirmed.")); |
d5551862 | 325 | |
2f9d54cf | 326 | query_if_trace_running (from_tty); |
d5551862 | 327 | |
d318976c FN |
328 | quit_force (args, from_tty); |
329 | } | |
330 | ||
d318976c FN |
331 | static void |
332 | pwd_command (char *args, int from_tty) | |
333 | { | |
334 | if (args) | |
8a3fe4f8 | 335 | error (_("The \"pwd\" command does not take an argument: %s"), args); |
bf1d7d9c JB |
336 | if (! getcwd (gdb_dirbuf, sizeof (gdb_dirbuf))) |
337 | error (_("Error finding name of working directory: %s"), | |
338 | safe_strerror (errno)); | |
d318976c | 339 | |
6314a349 | 340 | if (strcmp (gdb_dirbuf, current_directory) != 0) |
a3f17187 | 341 | printf_unfiltered (_("Working directory %s\n (canonically %s).\n"), |
d318976c FN |
342 | current_directory, gdb_dirbuf); |
343 | else | |
a3f17187 | 344 | printf_unfiltered (_("Working directory %s.\n"), current_directory); |
d318976c FN |
345 | } |
346 | ||
347 | void | |
348 | cd_command (char *dir, int from_tty) | |
349 | { | |
350 | int len; | |
351 | /* Found something other than leading repetitions of "/..". */ | |
352 | int found_real_path; | |
353 | char *p; | |
5b3fca71 | 354 | struct cleanup *cleanup; |
d318976c FN |
355 | |
356 | /* If the new directory is absolute, repeat is a no-op; if relative, | |
357 | repeat might be useful but is more likely to be a mistake. */ | |
358 | dont_repeat (); | |
359 | ||
360 | if (dir == 0) | |
f3c8a52a | 361 | dir = "~"; |
d318976c FN |
362 | |
363 | dir = tilde_expand (dir); | |
5b3fca71 | 364 | cleanup = make_cleanup (xfree, dir); |
d318976c FN |
365 | |
366 | if (chdir (dir) < 0) | |
367 | perror_with_name (dir); | |
368 | ||
c3690141 | 369 | #ifdef HAVE_DOS_BASED_FILE_SYSTEM |
d318976c FN |
370 | /* There's too much mess with DOSish names like "d:", "d:.", |
371 | "d:./foo" etc. Instead of having lots of special #ifdef'ed code, | |
372 | simply get the canonicalized name of the current directory. */ | |
373 | dir = getcwd (gdb_dirbuf, sizeof (gdb_dirbuf)); | |
374 | #endif | |
375 | ||
376 | len = strlen (dir); | |
fe4e3eb8 | 377 | if (IS_DIR_SEPARATOR (dir[len - 1])) |
d318976c FN |
378 | { |
379 | /* Remove the trailing slash unless this is a root directory | |
380 | (including a drive letter on non-Unix systems). */ | |
381 | if (!(len == 1) /* "/" */ | |
c3690141 | 382 | #ifdef HAVE_DOS_BASED_FILE_SYSTEM |
fe4e3eb8 | 383 | && !(len == 3 && dir[1] == ':') /* "d:/" */ |
d318976c FN |
384 | #endif |
385 | ) | |
386 | len--; | |
387 | } | |
388 | ||
389 | dir = savestring (dir, len); | |
fe4e3eb8 | 390 | if (IS_ABSOLUTE_PATH (dir)) |
d318976c FN |
391 | current_directory = dir; |
392 | else | |
393 | { | |
fe4e3eb8 | 394 | if (IS_DIR_SEPARATOR (current_directory[strlen (current_directory) - 1])) |
1754f103 | 395 | current_directory = concat (current_directory, dir, (char *)NULL); |
d318976c | 396 | else |
1754f103 MK |
397 | current_directory = concat (current_directory, SLASH_STRING, |
398 | dir, (char *)NULL); | |
b8c9b27d | 399 | xfree (dir); |
d318976c FN |
400 | } |
401 | ||
402 | /* Now simplify any occurrences of `.' and `..' in the pathname. */ | |
403 | ||
404 | found_real_path = 0; | |
405 | for (p = current_directory; *p;) | |
406 | { | |
fe4e3eb8 EZ |
407 | if (IS_DIR_SEPARATOR (p[0]) && p[1] == '.' |
408 | && (p[2] == 0 || IS_DIR_SEPARATOR (p[2]))) | |
b2a3b509 | 409 | memmove (p, p + 2, strlen (p + 2) + 1); |
fe4e3eb8 EZ |
410 | else if (IS_DIR_SEPARATOR (p[0]) && p[1] == '.' && p[2] == '.' |
411 | && (p[3] == 0 || IS_DIR_SEPARATOR (p[3]))) | |
d318976c FN |
412 | { |
413 | if (found_real_path) | |
414 | { | |
415 | /* Search backwards for the directory just before the "/.." | |
416 | and obliterate it and the "/..". */ | |
417 | char *q = p; | |
cdb27c12 | 418 | |
fe4e3eb8 | 419 | while (q != current_directory && !IS_DIR_SEPARATOR (q[-1])) |
d318976c FN |
420 | --q; |
421 | ||
422 | if (q == current_directory) | |
423 | /* current_directory is | |
424 | a relative pathname ("can't happen"--leave it alone). */ | |
425 | ++p; | |
426 | else | |
427 | { | |
b2a3b509 | 428 | memmove (q - 1, p + 3, strlen (p + 3) + 1); |
d318976c FN |
429 | p = q - 1; |
430 | } | |
431 | } | |
432 | else | |
ebcd3b23 MS |
433 | /* We are dealing with leading repetitions of "/..", for |
434 | example "/../..", which is the Mach super-root. */ | |
d318976c FN |
435 | p += 3; |
436 | } | |
437 | else | |
438 | { | |
439 | found_real_path = 1; | |
440 | ++p; | |
441 | } | |
442 | } | |
443 | ||
444 | forget_cached_source_info (); | |
445 | ||
446 | if (from_tty) | |
447 | pwd_command ((char *) 0, 1); | |
5b3fca71 TT |
448 | |
449 | do_cleanups (cleanup); | |
d318976c FN |
450 | } |
451 | \f | |
973817a3 JB |
452 | /* Show the current value of the 'script-extension' option. */ |
453 | ||
454 | static void | |
455 | show_script_ext_mode (struct ui_file *file, int from_tty, | |
456 | struct cmd_list_element *c, const char *value) | |
d318976c | 457 | { |
9a2b4c1b MS |
458 | fprintf_filtered (file, |
459 | _("Script filename extension recognition is \"%s\".\n"), | |
973817a3 JB |
460 | value); |
461 | } | |
462 | ||
3f7b2faa DE |
463 | /* Try to open SCRIPT_FILE. |
464 | If successful, the full path name is stored in *FULL_PATHP, | |
465 | the stream is stored in *STREAMP, and return 1. | |
466 | The caller is responsible for freeing *FULL_PATHP. | |
467 | If not successful, return 0; errno is set for the last file | |
468 | we tried to open. | |
469 | ||
470 | If SEARCH_PATH is non-zero, and the file isn't found in cwd, | |
f5b95b50 | 471 | search for it in the source search path. */ |
3f7b2faa | 472 | |
8a1ea21f | 473 | int |
3f7b2faa DE |
474 | find_and_open_script (const char *script_file, int search_path, |
475 | FILE **streamp, char **full_pathp) | |
973817a3 | 476 | { |
3f7b2faa | 477 | char *file; |
4b505b12 | 478 | int fd; |
973817a3 | 479 | struct cleanup *old_cleanups; |
492c0ab7 | 480 | int search_flags = OPF_TRY_CWD_FIRST | OPF_RETURN_REALPATH; |
d318976c | 481 | |
3f7b2faa | 482 | file = tilde_expand (script_file); |
b8c9b27d | 483 | old_cleanups = make_cleanup (xfree, file); |
d318976c | 484 | |
3f7b2faa DE |
485 | if (search_path) |
486 | search_flags |= OPF_SEARCH_IN_PATH; | |
4b505b12 | 487 | |
3f7b2faa DE |
488 | /* Search for and open 'file' on the search path used for source |
489 | files. Put the full location in *FULL_PATHP. */ | |
490 | fd = openp (source_path, search_flags, | |
491 | file, O_RDONLY, full_pathp); | |
4b505b12 AS |
492 | |
493 | if (fd == -1) | |
d318976c | 494 | { |
3f7b2faa DE |
495 | int save_errno = errno; |
496 | do_cleanups (old_cleanups); | |
497 | errno = save_errno; | |
498 | return 0; | |
d318976c FN |
499 | } |
500 | ||
3f7b2faa | 501 | do_cleanups (old_cleanups); |
973817a3 | 502 | |
3f7b2faa | 503 | *streamp = fdopen (fd, FOPEN_RT); |
77a35dd8 JK |
504 | if (*streamp == NULL) |
505 | { | |
506 | int save_errno = errno; | |
507 | ||
508 | close (fd); | |
509 | if (full_pathp) | |
510 | xfree (*full_pathp); | |
511 | errno = save_errno; | |
512 | return 0; | |
513 | } | |
514 | ||
973817a3 JB |
515 | return 1; |
516 | } | |
517 | ||
86eb7e95 | 518 | /* Load script FILE, which has already been opened as STREAM. */ |
973817a3 | 519 | |
3f7b2faa DE |
520 | static void |
521 | source_script_from_stream (FILE *stream, const char *file) | |
522 | { | |
6dddc817 | 523 | if (script_ext_mode != script_ext_off) |
973817a3 | 524 | { |
6dddc817 DE |
525 | const struct extension_language_defn *extlang |
526 | = get_ext_lang_of_file (file); | |
527 | ||
528 | if (extlang != NULL) | |
973817a3 | 529 | { |
6dddc817 DE |
530 | if (ext_lang_present_p (extlang)) |
531 | { | |
532 | script_sourcer_func *sourcer | |
533 | = ext_lang_script_sourcer (extlang); | |
534 | ||
535 | gdb_assert (sourcer != NULL); | |
536 | sourcer (extlang, stream, file); | |
537 | return; | |
538 | } | |
539 | else if (script_ext_mode == script_ext_soft) | |
540 | { | |
541 | /* Assume the file is a gdb script. | |
542 | This is handled below. */ | |
543 | } | |
544 | else | |
545 | throw_ext_lang_unsupported (extlang); | |
973817a3 JB |
546 | } |
547 | } | |
6dddc817 DE |
548 | |
549 | script_from_file (stream, file); | |
3f7b2faa | 550 | } |
d318976c | 551 | |
3f7b2faa DE |
552 | /* Worker to perform the "source" command. |
553 | Load script FILE. | |
554 | If SEARCH_PATH is non-zero, and the file isn't found in cwd, | |
555 | search for it in the source search path. */ | |
556 | ||
557 | static void | |
558 | source_script_with_search (const char *file, int from_tty, int search_path) | |
559 | { | |
560 | FILE *stream; | |
561 | char *full_path; | |
562 | struct cleanup *old_cleanups; | |
563 | ||
564 | if (file == NULL || *file == 0) | |
565 | error (_("source command requires file name of file to source.")); | |
566 | ||
567 | if (!find_and_open_script (file, search_path, &stream, &full_path)) | |
568 | { | |
d234ef5c | 569 | /* The script wasn't found, or was otherwise inaccessible. |
ebcd3b23 MS |
570 | If the source command was invoked interactively, throw an |
571 | error. Otherwise (e.g. if it was invoked by a script), | |
7c647d61 | 572 | just emit a warning, rather than cause an error. */ |
3f7b2faa DE |
573 | if (from_tty) |
574 | perror_with_name (file); | |
575 | else | |
7c647d61 JB |
576 | { |
577 | perror_warning_with_name (file); | |
578 | return; | |
579 | } | |
3f7b2faa DE |
580 | } |
581 | ||
582 | old_cleanups = make_cleanup (xfree, full_path); | |
86eb7e95 | 583 | make_cleanup_fclose (stream); |
d234ef5c DE |
584 | /* The python support reopens the file, so we need to pass full_path here |
585 | in case the file was found on the search path. It's useful to do this | |
586 | anyway so that error messages show the actual file used. But only do | |
587 | this if we (may have) used search_path, as printing the full path in | |
588 | errors for the non-search case can be more noise than signal. */ | |
589 | source_script_from_stream (stream, search_path ? full_path : file); | |
d318976c FN |
590 | do_cleanups (old_cleanups); |
591 | } | |
592 | ||
3f7b2faa DE |
593 | /* Wrapper around source_script_with_search to export it to main.c |
594 | for use in loading .gdbinit scripts. */ | |
595 | ||
596 | void | |
50dd9793 | 597 | source_script (const char *file, int from_tty) |
3f7b2faa DE |
598 | { |
599 | source_script_with_search (file, from_tty, 0); | |
600 | } | |
601 | ||
16026cd7 AS |
602 | /* Return the source_verbose global variable to its previous state |
603 | on exit from the source command, by whatever means. */ | |
604 | static void | |
605 | source_verbose_cleanup (void *old_value) | |
606 | { | |
607 | source_verbose = *(int *)old_value; | |
608 | xfree (old_value); | |
609 | } | |
610 | ||
611 | static void | |
612 | source_command (char *args, int from_tty) | |
613 | { | |
614 | struct cleanup *old_cleanups; | |
615 | char *file = args; | |
616 | int *old_source_verbose = xmalloc (sizeof(int)); | |
3f7b2faa | 617 | int search_path = 0; |
16026cd7 AS |
618 | |
619 | *old_source_verbose = source_verbose; | |
ebcd3b23 MS |
620 | old_cleanups = make_cleanup (source_verbose_cleanup, |
621 | old_source_verbose); | |
16026cd7 AS |
622 | |
623 | /* -v causes the source command to run in verbose mode. | |
3f7b2faa DE |
624 | -s causes the file to be searched in the source search path, |
625 | even if the file name contains a '/'. | |
16026cd7 AS |
626 | We still have to be able to handle filenames with spaces in a |
627 | backward compatible way, so buildargv is not appropriate. */ | |
628 | ||
629 | if (args) | |
630 | { | |
3f7b2faa | 631 | while (args[0] != '\0') |
16026cd7 | 632 | { |
ebcd3b23 MS |
633 | /* Make sure leading white space does not break the |
634 | comparisons. */ | |
529480d0 | 635 | args = skip_spaces (args); |
3f7b2faa DE |
636 | |
637 | if (args[0] != '-') | |
638 | break; | |
639 | ||
640 | if (args[1] == 'v' && isspace (args[2])) | |
641 | { | |
642 | source_verbose = 1; | |
643 | ||
644 | /* Skip passed -v. */ | |
645 | args = &args[3]; | |
646 | } | |
647 | else if (args[1] == 's' && isspace (args[2])) | |
648 | { | |
649 | search_path = 1; | |
16026cd7 | 650 | |
3f7b2faa DE |
651 | /* Skip passed -s. */ |
652 | args = &args[3]; | |
653 | } | |
654 | else | |
655 | break; | |
16026cd7 | 656 | } |
3f7b2faa | 657 | |
529480d0 | 658 | file = skip_spaces (args); |
16026cd7 AS |
659 | } |
660 | ||
3f7b2faa | 661 | source_script_with_search (file, from_tty, search_path); |
96e39866 DE |
662 | |
663 | do_cleanups (old_cleanups); | |
16026cd7 AS |
664 | } |
665 | ||
666 | ||
d318976c FN |
667 | static void |
668 | echo_command (char *text, int from_tty) | |
669 | { | |
d7561cbb | 670 | const char *p = text; |
d5b5ac79 | 671 | int c; |
d318976c FN |
672 | |
673 | if (text) | |
674 | while ((c = *p++) != '\0') | |
675 | { | |
676 | if (c == '\\') | |
677 | { | |
678 | /* \ at end of argument is used after spaces | |
679 | so they won't be lost. */ | |
680 | if (*p == 0) | |
681 | return; | |
682 | ||
f870a310 | 683 | c = parse_escape (get_current_arch (), &p); |
d318976c FN |
684 | if (c >= 0) |
685 | printf_filtered ("%c", c); | |
686 | } | |
687 | else | |
688 | printf_filtered ("%c", c); | |
689 | } | |
690 | ||
691 | /* Force this output to appear now. */ | |
692 | wrap_here (""); | |
693 | gdb_flush (gdb_stdout); | |
694 | } | |
695 | ||
d318976c FN |
696 | static void |
697 | shell_escape (char *arg, int from_tty) | |
698 | { | |
9b265ec2 MM |
699 | #if defined(CANT_FORK) || \ |
700 | (!defined(HAVE_WORKING_VFORK) && !defined(HAVE_WORKING_FORK)) | |
d318976c FN |
701 | /* If ARG is NULL, they want an inferior shell, but `system' just |
702 | reports if the shell is available when passed a NULL arg. */ | |
703 | int rc = system (arg ? arg : ""); | |
704 | ||
705 | if (!arg) | |
706 | arg = "inferior shell"; | |
707 | ||
708 | if (rc == -1) | |
709 | { | |
710 | fprintf_unfiltered (gdb_stderr, "Cannot execute %s: %s\n", arg, | |
711 | safe_strerror (errno)); | |
712 | gdb_flush (gdb_stderr); | |
713 | } | |
714 | else if (rc) | |
715 | { | |
716 | fprintf_unfiltered (gdb_stderr, "%s exited with status %d\n", arg, rc); | |
717 | gdb_flush (gdb_stderr); | |
718 | } | |
2584159e | 719 | #ifdef GLOBAL_CURDIR |
ebcd3b23 MS |
720 | /* Make sure to return to the directory GDB thinks it is, in case |
721 | the shell command we just ran changed it. */ | |
d318976c FN |
722 | chdir (current_directory); |
723 | #endif | |
724 | #else /* Can fork. */ | |
5be4dfca | 725 | int status, pid; |
d318976c | 726 | |
325ed089 | 727 | if ((pid = vfork ()) == 0) |
d318976c | 728 | { |
9f37bbcc | 729 | const char *p, *user_shell; |
30e94205 | 730 | |
614c279d TT |
731 | close_most_fds (); |
732 | ||
30e94205 DJ |
733 | if ((user_shell = (char *) getenv ("SHELL")) == NULL) |
734 | user_shell = "/bin/sh"; | |
735 | ||
ebcd3b23 | 736 | /* Get the name of the shell for arg0. */ |
9f37bbcc | 737 | p = lbasename (user_shell); |
30e94205 | 738 | |
d318976c | 739 | if (!arg) |
36662fde | 740 | execl (user_shell, p, (char *) 0); |
d318976c | 741 | else |
36662fde | 742 | execl (user_shell, p, "-c", arg, (char *) 0); |
d318976c FN |
743 | |
744 | fprintf_unfiltered (gdb_stderr, "Cannot execute %s: %s\n", user_shell, | |
745 | safe_strerror (errno)); | |
746 | gdb_flush (gdb_stderr); | |
747 | _exit (0177); | |
748 | } | |
749 | ||
750 | if (pid != -1) | |
5be4dfca | 751 | waitpid (pid, &status, 0); |
d318976c | 752 | else |
8a3fe4f8 | 753 | error (_("Fork failed")); |
d318976c FN |
754 | #endif /* Can fork. */ |
755 | } | |
756 | ||
0378c332 FN |
757 | static void |
758 | edit_command (char *arg, int from_tty) | |
759 | { | |
760 | struct symtabs_and_lines sals; | |
761 | struct symtab_and_line sal; | |
762 | struct symbol *sym; | |
763 | char *arg1; | |
0378c332 | 764 | char *editor; |
0b0865da TT |
765 | char *p; |
766 | const char *fn; | |
0378c332 | 767 | |
d5529a84 | 768 | /* Pull in the current default source line if necessary. */ |
0378c332 | 769 | if (arg == 0) |
53cb0458 FN |
770 | { |
771 | set_default_source_symtab_and_line (); | |
772 | sal = get_current_source_symtab_and_line (); | |
773 | } | |
0378c332 | 774 | |
ebcd3b23 | 775 | /* Bare "edit" edits file with present line. */ |
0378c332 FN |
776 | |
777 | if (arg == 0) | |
778 | { | |
779 | if (sal.symtab == 0) | |
8a3fe4f8 | 780 | error (_("No default source file yet.")); |
0378c332 FN |
781 | sal.line += get_lines_to_list () / 2; |
782 | } | |
783 | else | |
784 | { | |
d5529a84 | 785 | /* Now should only be one argument -- decode it in SAL. */ |
0378c332 FN |
786 | |
787 | arg1 = arg; | |
f8eba3c6 | 788 | sals = decode_line_1 (&arg1, DECODE_LINE_LIST_MODE, 0, 0); |
0378c332 | 789 | |
f8eba3c6 | 790 | filter_sals (&sals); |
d5529a84 TT |
791 | if (! sals.nelts) |
792 | { | |
793 | /* C++ */ | |
794 | return; | |
795 | } | |
796 | if (sals.nelts > 1) | |
797 | { | |
798 | ambiguous_line_spec (&sals); | |
799 | xfree (sals.sals); | |
800 | return; | |
801 | } | |
0378c332 FN |
802 | |
803 | sal = sals.sals[0]; | |
804 | xfree (sals.sals); | |
805 | ||
806 | if (*arg1) | |
8a3fe4f8 | 807 | error (_("Junk at end of line specification.")); |
0378c332 | 808 | |
ebcd3b23 MS |
809 | /* If line was specified by address, first print exactly which |
810 | line, and which file. In this case, sal.symtab == 0 means | |
811 | address is outside of all known source files, not that user | |
812 | failed to give a filename. */ | |
0378c332 FN |
813 | if (*arg == '*') |
814 | { | |
5af949e3 | 815 | struct gdbarch *gdbarch; |
cdb27c12 | 816 | |
0378c332 | 817 | if (sal.symtab == 0) |
8a3fe4f8 | 818 | error (_("No source file for address %s."), |
2b69941d | 819 | paddress (get_current_arch (), sal.pc)); |
5af949e3 UW |
820 | |
821 | gdbarch = get_objfile_arch (sal.symtab->objfile); | |
0378c332 FN |
822 | sym = find_pc_function (sal.pc); |
823 | if (sym) | |
5af949e3 UW |
824 | printf_filtered ("%s is in %s (%s:%d).\n", |
825 | paddress (gdbarch, sal.pc), | |
826 | SYMBOL_PRINT_NAME (sym), | |
05cba821 JK |
827 | symtab_to_filename_for_display (sal.symtab), |
828 | sal.line); | |
0378c332 | 829 | else |
5af949e3 UW |
830 | printf_filtered ("%s is at %s:%d.\n", |
831 | paddress (gdbarch, sal.pc), | |
05cba821 JK |
832 | symtab_to_filename_for_display (sal.symtab), |
833 | sal.line); | |
0378c332 FN |
834 | } |
835 | ||
ebcd3b23 MS |
836 | /* If what was given does not imply a symtab, it must be an |
837 | undebuggable symbol which means no source code. */ | |
0378c332 FN |
838 | |
839 | if (sal.symtab == 0) | |
8a3fe4f8 | 840 | error (_("No line number known for %s."), arg); |
0378c332 FN |
841 | } |
842 | ||
843 | if ((editor = (char *) getenv ("EDITOR")) == NULL) | |
844 | editor = "/bin/ex"; | |
a955ca71 | 845 | |
f35a17b5 | 846 | fn = symtab_to_fullname (sal.symtab); |
0378c332 | 847 | |
a955ca71 EZ |
848 | /* Quote the file name, in case it has whitespace or other special |
849 | characters. */ | |
850 | p = xstrprintf ("%s +%d \"%s\"", editor, sal.line, fn); | |
d5529a84 TT |
851 | shell_escape (p, from_tty); |
852 | xfree (p); | |
0378c332 FN |
853 | } |
854 | ||
855 | static void | |
856 | list_command (char *arg, int from_tty) | |
857 | { | |
858 | struct symtabs_and_lines sals, sals_end; | |
245c7f48 DJ |
859 | struct symtab_and_line sal = { 0 }; |
860 | struct symtab_and_line sal_end = { 0 }; | |
861 | struct symtab_and_line cursal = { 0 }; | |
0378c332 FN |
862 | struct symbol *sym; |
863 | char *arg1; | |
864 | int no_end = 1; | |
865 | int dummy_end = 0; | |
866 | int dummy_beg = 0; | |
867 | int linenum_beg = 0; | |
868 | char *p; | |
869 | ||
ebcd3b23 | 870 | /* Pull in the current default source line if necessary. */ |
0378c332 | 871 | if (arg == 0 || arg[0] == '+' || arg[0] == '-') |
53cb0458 FN |
872 | { |
873 | set_default_source_symtab_and_line (); | |
874 | cursal = get_current_source_symtab_and_line (); | |
5166082f PA |
875 | |
876 | /* If this is the first "list" since we've set the current | |
877 | source line, center the listing around that line. */ | |
878 | if (get_first_line_listed () == 0) | |
879 | { | |
880 | int first; | |
881 | ||
882 | first = max (cursal.line - get_lines_to_list () / 2, 1); | |
883 | ||
884 | /* A small special case --- if listing backwards, and we | |
885 | should list only one line, list the preceding line, | |
886 | instead of the exact line we've just shown after e.g., | |
887 | stopping for a breakpoint. */ | |
888 | if (arg != NULL && arg[0] == '-' | |
889 | && get_lines_to_list () == 1 && first > 1) | |
890 | first -= 1; | |
891 | ||
892 | print_source_lines (cursal.symtab, first, | |
893 | first + get_lines_to_list (), 0); | |
894 | return; | |
895 | } | |
53cb0458 | 896 | } |
0378c332 FN |
897 | |
898 | /* "l" or "l +" lists next ten lines. */ | |
899 | ||
6314a349 | 900 | if (arg == 0 || strcmp (arg, "+") == 0) |
0378c332 FN |
901 | { |
902 | print_source_lines (cursal.symtab, cursal.line, | |
903 | cursal.line + get_lines_to_list (), 0); | |
904 | return; | |
905 | } | |
906 | ||
ebcd3b23 MS |
907 | /* "l -" lists previous ten lines, the ones before the ten just |
908 | listed. */ | |
6314a349 | 909 | if (strcmp (arg, "-") == 0) |
0378c332 FN |
910 | { |
911 | print_source_lines (cursal.symtab, | |
9a2b4c1b MS |
912 | max (get_first_line_listed () |
913 | - get_lines_to_list (), 1), | |
0378c332 FN |
914 | get_first_line_listed (), 0); |
915 | return; | |
916 | } | |
917 | ||
918 | /* Now if there is only one argument, decode it in SAL | |
919 | and set NO_END. | |
920 | If there are two arguments, decode them in SAL and SAL_END | |
921 | and clear NO_END; however, if one of the arguments is blank, | |
922 | set DUMMY_BEG or DUMMY_END to record that fact. */ | |
923 | ||
924 | if (!have_full_symbols () && !have_partial_symbols ()) | |
8a3fe4f8 | 925 | error (_("No symbol table is loaded. Use the \"file\" command.")); |
0378c332 FN |
926 | |
927 | arg1 = arg; | |
928 | if (*arg1 == ',') | |
929 | dummy_beg = 1; | |
930 | else | |
931 | { | |
f8eba3c6 | 932 | sals = decode_line_1 (&arg1, DECODE_LINE_LIST_MODE, 0, 0); |
0378c332 | 933 | |
f8eba3c6 | 934 | filter_sals (&sals); |
0378c332 FN |
935 | if (!sals.nelts) |
936 | return; /* C++ */ | |
937 | if (sals.nelts > 1) | |
938 | { | |
939 | ambiguous_line_spec (&sals); | |
940 | xfree (sals.sals); | |
941 | return; | |
942 | } | |
943 | ||
944 | sal = sals.sals[0]; | |
945 | xfree (sals.sals); | |
946 | } | |
947 | ||
948 | /* Record whether the BEG arg is all digits. */ | |
949 | ||
950 | for (p = arg; p != arg1 && *p >= '0' && *p <= '9'; p++); | |
951 | linenum_beg = (p == arg1); | |
952 | ||
953 | while (*arg1 == ' ' || *arg1 == '\t') | |
954 | arg1++; | |
955 | if (*arg1 == ',') | |
956 | { | |
957 | no_end = 0; | |
958 | arg1++; | |
959 | while (*arg1 == ' ' || *arg1 == '\t') | |
960 | arg1++; | |
961 | if (*arg1 == 0) | |
962 | dummy_end = 1; | |
963 | else | |
964 | { | |
965 | if (dummy_beg) | |
f8eba3c6 | 966 | sals_end = decode_line_1 (&arg1, DECODE_LINE_LIST_MODE, 0, 0); |
0378c332 | 967 | else |
f8eba3c6 TT |
968 | sals_end = decode_line_1 (&arg1, DECODE_LINE_LIST_MODE, |
969 | sal.symtab, sal.line); | |
4979d7f0 | 970 | filter_sals (&sals_end); |
0378c332 FN |
971 | if (sals_end.nelts == 0) |
972 | return; | |
973 | if (sals_end.nelts > 1) | |
974 | { | |
975 | ambiguous_line_spec (&sals_end); | |
976 | xfree (sals_end.sals); | |
977 | return; | |
978 | } | |
979 | sal_end = sals_end.sals[0]; | |
980 | xfree (sals_end.sals); | |
981 | } | |
982 | } | |
983 | ||
984 | if (*arg1) | |
8a3fe4f8 | 985 | error (_("Junk at end of line specification.")); |
0378c332 FN |
986 | |
987 | if (!no_end && !dummy_beg && !dummy_end | |
988 | && sal.symtab != sal_end.symtab) | |
8a3fe4f8 | 989 | error (_("Specified start and end are in different files.")); |
0378c332 | 990 | if (dummy_beg && dummy_end) |
8a3fe4f8 | 991 | error (_("Two empty args do not say what lines to list.")); |
0378c332 | 992 | |
ebcd3b23 | 993 | /* If line was specified by address, |
0378c332 | 994 | first print exactly which line, and which file. |
ebcd3b23 MS |
995 | |
996 | In this case, sal.symtab == 0 means address is outside of all | |
997 | known source files, not that user failed to give a filename. */ | |
0378c332 FN |
998 | if (*arg == '*') |
999 | { | |
5af949e3 | 1000 | struct gdbarch *gdbarch; |
cdb27c12 | 1001 | |
0378c332 | 1002 | if (sal.symtab == 0) |
8a3fe4f8 | 1003 | error (_("No source file for address %s."), |
2b69941d | 1004 | paddress (get_current_arch (), sal.pc)); |
5af949e3 UW |
1005 | |
1006 | gdbarch = get_objfile_arch (sal.symtab->objfile); | |
0378c332 FN |
1007 | sym = find_pc_function (sal.pc); |
1008 | if (sym) | |
50ee7535 | 1009 | printf_filtered ("%s is in %s (%s:%d).\n", |
5af949e3 UW |
1010 | paddress (gdbarch, sal.pc), |
1011 | SYMBOL_PRINT_NAME (sym), | |
05cba821 | 1012 | symtab_to_filename_for_display (sal.symtab), sal.line); |
0378c332 | 1013 | else |
5af949e3 UW |
1014 | printf_filtered ("%s is at %s:%d.\n", |
1015 | paddress (gdbarch, sal.pc), | |
05cba821 | 1016 | symtab_to_filename_for_display (sal.symtab), sal.line); |
0378c332 FN |
1017 | } |
1018 | ||
ebcd3b23 MS |
1019 | /* If line was not specified by just a line number, and it does not |
1020 | imply a symtab, it must be an undebuggable symbol which means no | |
1021 | source code. */ | |
0378c332 FN |
1022 | |
1023 | if (!linenum_beg && sal.symtab == 0) | |
8a3fe4f8 | 1024 | error (_("No line number known for %s."), arg); |
0378c332 FN |
1025 | |
1026 | /* If this command is repeated with RET, | |
1027 | turn it into the no-arg variant. */ | |
1028 | ||
1029 | if (from_tty) | |
1030 | *arg = 0; | |
1031 | ||
1032 | if (dummy_beg && sal_end.symtab == 0) | |
8a3fe4f8 | 1033 | error (_("No default source file yet. Do \"help list\".")); |
0378c332 FN |
1034 | if (dummy_beg) |
1035 | print_source_lines (sal_end.symtab, | |
1036 | max (sal_end.line - (get_lines_to_list () - 1), 1), | |
1037 | sal_end.line + 1, 0); | |
1038 | else if (sal.symtab == 0) | |
8a3fe4f8 | 1039 | error (_("No default source file yet. Do \"help list\".")); |
0378c332 FN |
1040 | else if (no_end) |
1041 | { | |
1042 | int first_line = sal.line - get_lines_to_list () / 2; | |
1043 | ||
1044 | if (first_line < 1) first_line = 1; | |
1045 | ||
1046 | print_source_lines (sal.symtab, | |
1047 | first_line, | |
1048 | first_line + get_lines_to_list (), | |
1049 | 0); | |
1050 | } | |
1051 | else | |
1052 | print_source_lines (sal.symtab, sal.line, | |
1053 | (dummy_end | |
1054 | ? sal.line + get_lines_to_list () | |
1055 | : sal_end.line + 1), | |
1056 | 0); | |
1057 | } | |
1058 | ||
d14508fe DE |
1059 | /* Subroutine of disassemble_command to simplify it. |
1060 | Perform the disassembly. | |
1061 | NAME is the name of the function if known, or NULL. | |
1062 | [LOW,HIGH) are the range of addresses to disassemble. | |
1063 | MIXED is non-zero to print source with the assembler. */ | |
1064 | ||
1065 | static void | |
13274fc3 | 1066 | print_disassembly (struct gdbarch *gdbarch, const char *name, |
e6158f16 | 1067 | CORE_ADDR low, CORE_ADDR high, int flags) |
d14508fe DE |
1068 | { |
1069 | #if defined(TUI) | |
1070 | if (!tui_is_window_visible (DISASSEM_WIN)) | |
1071 | #endif | |
1072 | { | |
1073 | printf_filtered ("Dump of assembler code "); | |
1074 | if (name != NULL) | |
1075 | printf_filtered ("for function %s:\n", name); | |
1076 | else | |
5af949e3 UW |
1077 | printf_filtered ("from %s to %s:\n", |
1078 | paddress (gdbarch, low), paddress (gdbarch, high)); | |
d14508fe DE |
1079 | |
1080 | /* Dump the specified range. */ | |
79a45e25 | 1081 | gdb_disassembly (gdbarch, current_uiout, 0, flags, -1, low, high); |
d14508fe DE |
1082 | |
1083 | printf_filtered ("End of assembler dump.\n"); | |
1084 | gdb_flush (gdb_stdout); | |
1085 | } | |
1086 | #if defined(TUI) | |
1087 | else | |
1088 | { | |
13274fc3 | 1089 | tui_show_assembly (gdbarch, low); |
d14508fe DE |
1090 | } |
1091 | #endif | |
1092 | } | |
1093 | ||
1094 | /* Subroutine of disassemble_command to simplify it. | |
9c419145 | 1095 | Print a disassembly of the current function according to FLAGS. */ |
d14508fe DE |
1096 | |
1097 | static void | |
e6158f16 | 1098 | disassemble_current_function (int flags) |
d14508fe | 1099 | { |
13274fc3 UW |
1100 | struct frame_info *frame; |
1101 | struct gdbarch *gdbarch; | |
d14508fe | 1102 | CORE_ADDR low, high, pc; |
2c02bd72 | 1103 | const char *name; |
d14508fe | 1104 | |
13274fc3 UW |
1105 | frame = get_selected_frame (_("No frame selected.")); |
1106 | gdbarch = get_frame_arch (frame); | |
9bf4bce9 | 1107 | pc = get_frame_address_in_block (frame); |
d14508fe DE |
1108 | if (find_pc_partial_function (pc, &name, &low, &high) == 0) |
1109 | error (_("No function contains program counter for selected frame.")); | |
1110 | #if defined(TUI) | |
1111 | /* NOTE: cagney/2003-02-13 The `tui_active' was previously | |
1112 | `tui_version'. */ | |
1113 | if (tui_active) | |
1114 | /* FIXME: cagney/2004-02-07: This should be an observer. */ | |
13274fc3 | 1115 | low = tui_get_low_disassembly_address (gdbarch, low, pc); |
d14508fe | 1116 | #endif |
13274fc3 | 1117 | low += gdbarch_deprecated_function_start_offset (gdbarch); |
d14508fe | 1118 | |
e6158f16 | 1119 | print_disassembly (gdbarch, name, low, high, flags); |
d14508fe DE |
1120 | } |
1121 | ||
1122 | /* Dump a specified section of assembly code. | |
1123 | ||
1124 | Usage: | |
e6158f16 | 1125 | disassemble [/mr] |
d14508fe | 1126 | - dump the assembly code for the function of the current pc |
e6158f16 | 1127 | disassemble [/mr] addr |
d14508fe | 1128 | - dump the assembly code for the function at ADDR |
53a71c06 CR |
1129 | disassemble [/mr] low,high |
1130 | disassemble [/mr] low,+length | |
1131 | - dump the assembly code in the range [LOW,HIGH), or [LOW,LOW+length) | |
d14508fe | 1132 | |
e6158f16 HZ |
1133 | A /m modifier will include source code with the assembly. |
1134 | A /r modifier will include raw instructions in hex with the assembly. */ | |
83c31e7d | 1135 | |
83c31e7d FN |
1136 | static void |
1137 | disassemble_command (char *arg, int from_tty) | |
1138 | { | |
13274fc3 | 1139 | struct gdbarch *gdbarch = get_current_arch (); |
83c31e7d | 1140 | CORE_ADDR low, high; |
2c02bd72 | 1141 | const char *name; |
d36fc00b | 1142 | CORE_ADDR pc; |
e6158f16 | 1143 | int flags; |
bbc13ae3 | 1144 | const char *p; |
83c31e7d | 1145 | |
bbc13ae3 | 1146 | p = arg; |
83c31e7d | 1147 | name = NULL; |
e6158f16 | 1148 | flags = 0; |
d14508fe | 1149 | |
bbc13ae3 | 1150 | if (p && *p == '/') |
83c31e7d | 1151 | { |
bbc13ae3 | 1152 | ++p; |
d14508fe | 1153 | |
bbc13ae3 | 1154 | if (*p == '\0') |
d14508fe DE |
1155 | error (_("Missing modifier.")); |
1156 | ||
bbc13ae3 | 1157 | while (*p && ! isspace (*p)) |
d14508fe | 1158 | { |
bbc13ae3 | 1159 | switch (*p++) |
d14508fe DE |
1160 | { |
1161 | case 'm': | |
e6158f16 HZ |
1162 | flags |= DISASSEMBLY_SOURCE; |
1163 | break; | |
1164 | case 'r': | |
1165 | flags |= DISASSEMBLY_RAW_INSN; | |
d14508fe DE |
1166 | break; |
1167 | default: | |
1168 | error (_("Invalid disassembly modifier.")); | |
1169 | } | |
1170 | } | |
1171 | ||
bbc13ae3 | 1172 | p = skip_spaces_const (p); |
d14508fe DE |
1173 | } |
1174 | ||
bbc13ae3 | 1175 | if (! p || ! *p) |
d14508fe | 1176 | { |
9c419145 | 1177 | flags |= DISASSEMBLY_OMIT_FNAME; |
e6158f16 | 1178 | disassemble_current_function (flags); |
d14508fe | 1179 | return; |
83c31e7d | 1180 | } |
d14508fe | 1181 | |
bbc13ae3 KS |
1182 | pc = value_as_address (parse_to_comma_and_eval (&p)); |
1183 | if (p[0] == ',') | |
1184 | ++p; | |
1185 | if (p[0] == '\0') | |
83c31e7d FN |
1186 | { |
1187 | /* One argument. */ | |
83c31e7d | 1188 | if (find_pc_partial_function (pc, &name, &low, &high) == 0) |
8a3fe4f8 | 1189 | error (_("No function contains specified address.")); |
83c31e7d | 1190 | #if defined(TUI) |
021e7609 AC |
1191 | /* NOTE: cagney/2003-02-13 The `tui_active' was previously |
1192 | `tui_version'. */ | |
22940a24 AC |
1193 | if (tui_active) |
1194 | /* FIXME: cagney/2004-02-07: This should be an observer. */ | |
13274fc3 | 1195 | low = tui_get_low_disassembly_address (gdbarch, low, pc); |
83c31e7d | 1196 | #endif |
13274fc3 | 1197 | low += gdbarch_deprecated_function_start_offset (gdbarch); |
9c419145 | 1198 | flags |= DISASSEMBLY_OMIT_FNAME; |
83c31e7d FN |
1199 | } |
1200 | else | |
1201 | { | |
1202 | /* Two arguments. */ | |
53a71c06 | 1203 | int incl_flag = 0; |
21a0512e | 1204 | low = pc; |
bbc13ae3 KS |
1205 | p = skip_spaces_const (p); |
1206 | if (p[0] == '+') | |
53a71c06 | 1207 | { |
bbc13ae3 | 1208 | ++p; |
53a71c06 CR |
1209 | incl_flag = 1; |
1210 | } | |
bbc13ae3 | 1211 | high = parse_and_eval_address (p); |
53a71c06 CR |
1212 | if (incl_flag) |
1213 | high += low; | |
83c31e7d FN |
1214 | } |
1215 | ||
e6158f16 | 1216 | print_disassembly (gdbarch, name, low, high, flags); |
83c31e7d FN |
1217 | } |
1218 | ||
d318976c FN |
1219 | static void |
1220 | make_command (char *arg, int from_tty) | |
1221 | { | |
1222 | char *p; | |
1223 | ||
1224 | if (arg == 0) | |
1225 | p = "make"; | |
1226 | else | |
1227 | { | |
1228 | p = xmalloc (sizeof ("make ") + strlen (arg)); | |
1229 | strcpy (p, "make "); | |
1230 | strcpy (p + sizeof ("make ") - 1, arg); | |
1231 | } | |
1232 | ||
1233 | shell_escape (p, from_tty); | |
1234 | } | |
1235 | ||
d318976c FN |
1236 | static void |
1237 | show_user (char *args, int from_tty) | |
1238 | { | |
1239 | struct cmd_list_element *c; | |
1240 | extern struct cmd_list_element *cmdlist; | |
1241 | ||
1242 | if (args) | |
1243 | { | |
6f937416 | 1244 | const char *comname = args; |
cdb27c12 | 1245 | |
adb483fe | 1246 | c = lookup_cmd (&comname, cmdlist, "", 0, 1); |
a9f116cb | 1247 | if (!cli_user_command_p (c)) |
8a3fe4f8 | 1248 | error (_("Not a user command.")); |
adb483fe | 1249 | show_user_1 (c, "", args, gdb_stdout); |
d318976c FN |
1250 | } |
1251 | else | |
1252 | { | |
1253 | for (c = cmdlist; c; c = c->next) | |
1254 | { | |
a9f116cb | 1255 | if (cli_user_command_p (c) || c->prefixlist != NULL) |
adb483fe | 1256 | show_user_1 (c, "", c->name, gdb_stdout); |
d318976c FN |
1257 | } |
1258 | } | |
1259 | } | |
1260 | ||
1261 | /* Search through names of commands and documentations for a certain | |
ebcd3b23 MS |
1262 | regular expression. */ |
1263 | ||
c419cfba | 1264 | static void |
d318976c FN |
1265 | apropos_command (char *searchstr, int from_tty) |
1266 | { | |
d318976c | 1267 | regex_t pattern; |
dc92e161 | 1268 | int code; |
cdb27c12 | 1269 | |
d318976c | 1270 | if (searchstr == NULL) |
f55af66d | 1271 | error (_("REGEXP string is empty")); |
d318976c | 1272 | |
dc92e161 TT |
1273 | code = regcomp (&pattern, searchstr, REG_ICASE); |
1274 | if (code == 0) | |
1275 | { | |
1276 | struct cleanup *cleanups; | |
1277 | ||
1278 | cleanups = make_regfree_cleanup (&pattern); | |
1279 | apropos_cmd (gdb_stdout, cmdlist, &pattern, ""); | |
1280 | do_cleanups (cleanups); | |
1281 | } | |
d318976c FN |
1282 | else |
1283 | { | |
dc92e161 TT |
1284 | char *err = get_regcomp_error (code, &pattern); |
1285 | ||
1286 | make_cleanup (xfree, err); | |
1287 | error (_("Error in regular expression: %s"), err); | |
d318976c | 1288 | } |
d318976c | 1289 | } |
5a56e9c5 DE |
1290 | |
1291 | /* Subroutine of alias_command to simplify it. | |
1292 | Return the first N elements of ARGV flattened back to a string | |
1293 | with a space separating each element. | |
1294 | ARGV may not be NULL. | |
1295 | This does not take care of quoting elements in case they contain spaces | |
1296 | on purpose. */ | |
1297 | ||
1298 | static dyn_string_t | |
1299 | argv_to_dyn_string (char **argv, int n) | |
1300 | { | |
1301 | int i; | |
1302 | dyn_string_t result = dyn_string_new (10); | |
1303 | ||
1304 | gdb_assert (argv != NULL); | |
1305 | gdb_assert (n >= 0 && n <= countargv (argv)); | |
1306 | ||
1307 | for (i = 0; i < n; ++i) | |
1308 | { | |
1309 | if (i > 0) | |
1310 | dyn_string_append_char (result, ' '); | |
1311 | dyn_string_append_cstr (result, argv[i]); | |
1312 | } | |
1313 | ||
1314 | return result; | |
1315 | } | |
1316 | ||
1317 | /* Subroutine of alias_command to simplify it. | |
1318 | Return TRUE if COMMAND exists, unambiguously. Otherwise FALSE. */ | |
1319 | ||
1320 | static int | |
6f937416 | 1321 | valid_command_p (const char *command) |
5a56e9c5 DE |
1322 | { |
1323 | struct cmd_list_element *c; | |
1324 | ||
1325 | c = lookup_cmd_1 (& command, cmdlist, NULL, 1); | |
1326 | ||
1327 | if (c == NULL || c == (struct cmd_list_element *) -1) | |
1328 | return FALSE; | |
1329 | ||
1330 | /* This is the slightly tricky part. | |
1331 | lookup_cmd_1 will return a pointer to the last part of COMMAND | |
1332 | to match, leaving COMMAND pointing at the remainder. */ | |
1333 | while (*command == ' ' || *command == '\t') | |
1334 | ++command; | |
1335 | return *command == '\0'; | |
1336 | } | |
1337 | ||
1338 | /* Make an alias of an existing command. */ | |
1339 | ||
1340 | static void | |
1341 | alias_command (char *args, int from_tty) | |
1342 | { | |
1343 | int i, alias_argc, command_argc; | |
1344 | int abbrev_flag = 0; | |
1345 | char *args2, *equals, *alias, *command; | |
1346 | char **alias_argv, **command_argv; | |
1347 | dyn_string_t alias_dyn_string, command_dyn_string; | |
5b3fca71 | 1348 | struct cleanup *cleanup; |
5a56e9c5 DE |
1349 | static const char usage[] = N_("Usage: alias [-a] [--] ALIAS = COMMAND"); |
1350 | ||
1351 | if (args == NULL || strchr (args, '=') == NULL) | |
1352 | error (_(usage)); | |
1353 | ||
1354 | args2 = xstrdup (args); | |
5b3fca71 | 1355 | cleanup = make_cleanup (xfree, args2); |
5a56e9c5 DE |
1356 | equals = strchr (args2, '='); |
1357 | *equals = '\0'; | |
1358 | alias_argv = gdb_buildargv (args2); | |
1359 | make_cleanup_freeargv (alias_argv); | |
1360 | command_argv = gdb_buildargv (equals + 1); | |
1361 | make_cleanup_freeargv (command_argv); | |
1362 | ||
1363 | for (i = 0; alias_argv[i] != NULL; ) | |
1364 | { | |
1365 | if (strcmp (alias_argv[i], "-a") == 0) | |
1366 | { | |
1367 | ++alias_argv; | |
1368 | abbrev_flag = 1; | |
1369 | } | |
1370 | else if (strcmp (alias_argv[i], "--") == 0) | |
1371 | { | |
1372 | ++alias_argv; | |
1373 | break; | |
1374 | } | |
1375 | else | |
1376 | break; | |
1377 | } | |
1378 | ||
1379 | if (alias_argv[0] == NULL || command_argv[0] == NULL | |
1380 | || *alias_argv[0] == '\0' || *command_argv[0] == '\0') | |
1381 | error (_(usage)); | |
1382 | ||
1383 | for (i = 0; alias_argv[i] != NULL; ++i) | |
1384 | { | |
1385 | if (! valid_user_defined_cmd_name_p (alias_argv[i])) | |
1386 | { | |
1387 | if (i == 0) | |
1388 | error (_("Invalid command name: %s"), alias_argv[i]); | |
1389 | else | |
1390 | error (_("Invalid command element name: %s"), alias_argv[i]); | |
1391 | } | |
1392 | } | |
1393 | ||
1394 | alias_argc = countargv (alias_argv); | |
1395 | command_argc = countargv (command_argv); | |
1396 | ||
1397 | /* COMMAND must exist. | |
1398 | Reconstruct the command to remove any extraneous spaces, | |
1399 | for better error messages. */ | |
1400 | command_dyn_string = argv_to_dyn_string (command_argv, command_argc); | |
1401 | make_cleanup_dyn_string_delete (command_dyn_string); | |
1402 | command = dyn_string_buf (command_dyn_string); | |
1403 | if (! valid_command_p (command)) | |
1404 | error (_("Invalid command to alias to: %s"), command); | |
1405 | ||
1406 | /* ALIAS must not exist. */ | |
1407 | alias_dyn_string = argv_to_dyn_string (alias_argv, alias_argc); | |
1408 | make_cleanup_dyn_string_delete (alias_dyn_string); | |
1409 | alias = dyn_string_buf (alias_dyn_string); | |
1410 | if (valid_command_p (alias)) | |
1411 | error (_("Alias already exists: %s"), alias); | |
1412 | ||
1413 | /* If ALIAS is one word, it is an alias for the entire COMMAND. | |
1414 | Example: alias spe = set print elements | |
1415 | ||
1416 | Otherwise ALIAS and COMMAND must have the same number of words, | |
1417 | and every word except the last must match; and the last word of | |
1418 | ALIAS is made an alias of the last word of COMMAND. | |
1419 | Example: alias set print elms = set pr elem | |
1420 | Note that unambiguous abbreviations are allowed. */ | |
1421 | ||
1422 | if (alias_argc == 1) | |
1423 | { | |
1424 | /* add_cmd requires *we* allocate space for name, hence the xstrdup. */ | |
1425 | add_com_alias (xstrdup (alias_argv[0]), command, class_alias, | |
1426 | abbrev_flag); | |
1427 | } | |
1428 | else | |
1429 | { | |
5a56e9c5 | 1430 | dyn_string_t alias_prefix_dyn_string, command_prefix_dyn_string; |
6f937416 | 1431 | const char *alias_prefix, *command_prefix; |
5a56e9c5 DE |
1432 | struct cmd_list_element *c_alias, *c_command; |
1433 | ||
1434 | if (alias_argc != command_argc) | |
1435 | error (_("Mismatched command length between ALIAS and COMMAND.")); | |
1436 | ||
1437 | /* Create copies of ALIAS and COMMAND without the last word, | |
1438 | and use that to verify the leading elements match. */ | |
1439 | alias_prefix_dyn_string = | |
1440 | argv_to_dyn_string (alias_argv, alias_argc - 1); | |
1441 | make_cleanup_dyn_string_delete (alias_prefix_dyn_string); | |
1442 | command_prefix_dyn_string = | |
1443 | argv_to_dyn_string (alias_argv, command_argc - 1); | |
1444 | make_cleanup_dyn_string_delete (command_prefix_dyn_string); | |
1445 | alias_prefix = dyn_string_buf (alias_prefix_dyn_string); | |
1446 | command_prefix = dyn_string_buf (command_prefix_dyn_string); | |
1447 | ||
1448 | c_command = lookup_cmd_1 (& command_prefix, cmdlist, NULL, 1); | |
1449 | /* We've already tried to look up COMMAND. */ | |
1450 | gdb_assert (c_command != NULL | |
1451 | && c_command != (struct cmd_list_element *) -1); | |
1452 | gdb_assert (c_command->prefixlist != NULL); | |
1453 | c_alias = lookup_cmd_1 (& alias_prefix, cmdlist, NULL, 1); | |
1454 | if (c_alias != c_command) | |
1455 | error (_("ALIAS and COMMAND prefixes do not match.")); | |
1456 | ||
1457 | /* add_cmd requires *we* allocate space for name, hence the xstrdup. */ | |
1458 | add_alias_cmd (xstrdup (alias_argv[alias_argc - 1]), | |
1459 | command_argv[command_argc - 1], | |
1460 | class_alias, abbrev_flag, c_command->prefixlist); | |
1461 | } | |
5b3fca71 TT |
1462 | |
1463 | do_cleanups (cleanup); | |
5a56e9c5 | 1464 | } |
d318976c | 1465 | \f |
0378c332 | 1466 | /* Print a list of files and line numbers which a user may choose from |
ebcd3b23 MS |
1467 | in order to list a function which was specified ambiguously (as |
1468 | with `list classname::overloadedfuncname', for example). The | |
1469 | vector in SALS provides the filenames and line numbers. */ | |
0378c332 FN |
1470 | |
1471 | static void | |
1472 | ambiguous_line_spec (struct symtabs_and_lines *sals) | |
1473 | { | |
1474 | int i; | |
1475 | ||
1476 | for (i = 0; i < sals->nelts; ++i) | |
a3f17187 | 1477 | printf_filtered (_("file: \"%s\", line number: %d\n"), |
05cba821 JK |
1478 | symtab_to_filename_for_display (sals->sals[i].symtab), |
1479 | sals->sals[i].line); | |
0378c332 FN |
1480 | } |
1481 | ||
f8eba3c6 TT |
1482 | /* Sort function for filter_sals. */ |
1483 | ||
1484 | static int | |
1485 | compare_symtabs (const void *a, const void *b) | |
1486 | { | |
1487 | const struct symtab_and_line *sala = a; | |
1488 | const struct symtab_and_line *salb = b; | |
1489 | int r; | |
1490 | ||
1491 | if (!sala->symtab->dirname) | |
1492 | { | |
1493 | if (salb->symtab->dirname) | |
1494 | return -1; | |
1495 | } | |
1496 | else if (!salb->symtab->dirname) | |
1497 | { | |
1498 | if (sala->symtab->dirname) | |
1499 | return 1; | |
1500 | } | |
1501 | else | |
1502 | { | |
1503 | r = filename_cmp (sala->symtab->dirname, salb->symtab->dirname); | |
1504 | if (r) | |
1505 | return r; | |
1506 | } | |
1507 | ||
1508 | r = filename_cmp (sala->symtab->filename, salb->symtab->filename); | |
1509 | if (r) | |
1510 | return r; | |
1511 | ||
1512 | if (sala->line < salb->line) | |
1513 | return -1; | |
1514 | return sala->line == salb->line ? 0 : 1; | |
1515 | } | |
1516 | ||
1517 | /* Remove any SALs that do not match the current program space, or | |
1518 | which appear to be "file:line" duplicates. */ | |
1519 | ||
1520 | static void | |
1521 | filter_sals (struct symtabs_and_lines *sals) | |
1522 | { | |
1523 | int i, out, prev; | |
1524 | ||
1525 | out = 0; | |
1526 | for (i = 0; i < sals->nelts; ++i) | |
1527 | { | |
1528 | if (sals->sals[i].pspace == current_program_space | |
ccbac09d | 1529 | && sals->sals[i].symtab != NULL) |
f8eba3c6 TT |
1530 | { |
1531 | sals->sals[out] = sals->sals[i]; | |
1532 | ++out; | |
1533 | } | |
1534 | } | |
1535 | sals->nelts = out; | |
1536 | ||
1537 | qsort (sals->sals, sals->nelts, sizeof (struct symtab_and_line), | |
1538 | compare_symtabs); | |
1539 | ||
1540 | out = 1; | |
1541 | prev = 0; | |
1542 | for (i = 1; i < sals->nelts; ++i) | |
1543 | { | |
1544 | if (compare_symtabs (&sals->sals[prev], &sals->sals[i])) | |
1545 | { | |
1546 | /* Symtabs differ. */ | |
1547 | sals->sals[out] = sals->sals[i]; | |
1548 | prev = out; | |
1549 | ++out; | |
1550 | } | |
1551 | } | |
f8eba3c6 TT |
1552 | |
1553 | if (sals->nelts == 0) | |
1554 | { | |
1555 | xfree (sals->sals); | |
1556 | sals->sals = NULL; | |
1557 | } | |
2f2e97fa TT |
1558 | else |
1559 | sals->nelts = out; | |
f8eba3c6 TT |
1560 | } |
1561 | ||
d318976c FN |
1562 | static void |
1563 | set_debug (char *arg, int from_tty) | |
1564 | { | |
9a2b4c1b MS |
1565 | printf_unfiltered (_("\"set debug\" must be followed by " |
1566 | "the name of a debug subcommand.\n")); | |
635c7e8a | 1567 | help_list (setdebuglist, "set debug ", all_commands, gdb_stdout); |
d318976c FN |
1568 | } |
1569 | ||
1570 | static void | |
1571 | show_debug (char *args, int from_tty) | |
1572 | { | |
1573 | cmd_show_list (showdebuglist, from_tty, ""); | |
1574 | } | |
1575 | ||
1576 | void | |
1577 | init_cmd_lists (void) | |
1578 | { | |
20f01a46 | 1579 | max_user_call_depth = 1024; |
d318976c FN |
1580 | } |
1581 | ||
920d2a44 AC |
1582 | static void |
1583 | show_info_verbose (struct ui_file *file, int from_tty, | |
1584 | struct cmd_list_element *c, | |
1585 | const char *value) | |
1586 | { | |
1587 | if (info_verbose) | |
9a2b4c1b MS |
1588 | fprintf_filtered (file, |
1589 | _("Verbose printing of informational messages is %s.\n"), | |
1590 | value); | |
920d2a44 AC |
1591 | else |
1592 | fprintf_filtered (file, _("Verbosity is %s.\n"), value); | |
1593 | } | |
1594 | ||
1595 | static void | |
1596 | show_history_expansion_p (struct ui_file *file, int from_tty, | |
1597 | struct cmd_list_element *c, const char *value) | |
1598 | { | |
1599 | fprintf_filtered (file, _("History expansion on command input is %s.\n"), | |
1600 | value); | |
1601 | } | |
1602 | ||
920d2a44 AC |
1603 | static void |
1604 | show_remote_debug (struct ui_file *file, int from_tty, | |
1605 | struct cmd_list_element *c, const char *value) | |
1606 | { | |
1607 | fprintf_filtered (file, _("Debugging of remote protocol is %s.\n"), | |
1608 | value); | |
1609 | } | |
1610 | ||
1611 | static void | |
1612 | show_remote_timeout (struct ui_file *file, int from_tty, | |
1613 | struct cmd_list_element *c, const char *value) | |
1614 | { | |
9a2b4c1b MS |
1615 | fprintf_filtered (file, |
1616 | _("Timeout limit to wait for target to respond is %s.\n"), | |
920d2a44 AC |
1617 | value); |
1618 | } | |
1619 | ||
1620 | static void | |
1621 | show_max_user_call_depth (struct ui_file *file, int from_tty, | |
1622 | struct cmd_list_element *c, const char *value) | |
1623 | { | |
9a2b4c1b MS |
1624 | fprintf_filtered (file, |
1625 | _("The max call depth for user-defined commands is %s.\n"), | |
920d2a44 AC |
1626 | value); |
1627 | } | |
1628 | ||
d318976c | 1629 | \f |
43e4916f TT |
1630 | |
1631 | initialize_file_ftype _initialize_cli_cmds; | |
1632 | ||
d318976c | 1633 | void |
43e4916f | 1634 | _initialize_cli_cmds (void) |
d318976c FN |
1635 | { |
1636 | struct cmd_list_element *c; | |
1637 | ||
1638 | /* Define the classes of commands. | |
1bfeeb0f | 1639 | They will appear in the help list in alphabetical order. */ |
d318976c | 1640 | |
1a966eab AC |
1641 | add_cmd ("internals", class_maintenance, NULL, _("\ |
1642 | Maintenance commands.\n\ | |
d318976c FN |
1643 | Some gdb commands are provided just for use by gdb maintainers.\n\ |
1644 | These commands are subject to frequent change, and may not be as\n\ | |
1a966eab | 1645 | well documented as user commands."), |
d318976c | 1646 | &cmdlist); |
1a966eab | 1647 | add_cmd ("obscure", class_obscure, NULL, _("Obscure features."), &cmdlist); |
9a2b4c1b MS |
1648 | add_cmd ("aliases", class_alias, NULL, |
1649 | _("Aliases of other commands."), &cmdlist); | |
1a966eab AC |
1650 | add_cmd ("user-defined", class_user, NULL, _("\ |
1651 | User-defined commands.\n\ | |
d318976c | 1652 | The commands in this class are those defined by the user.\n\ |
1a966eab AC |
1653 | Use the \"define\" command to define a command."), &cmdlist); |
1654 | add_cmd ("support", class_support, NULL, _("Support facilities."), &cmdlist); | |
d318976c | 1655 | if (!dbx_commands) |
1a966eab AC |
1656 | add_cmd ("status", class_info, NULL, _("Status inquiries."), &cmdlist); |
1657 | add_cmd ("files", class_files, NULL, _("Specifying and examining files."), | |
1658 | &cmdlist); | |
1659 | add_cmd ("breakpoints", class_breakpoint, NULL, | |
1660 | _("Making program stop at certain points."), &cmdlist); | |
1661 | add_cmd ("data", class_vars, NULL, _("Examining data."), &cmdlist); | |
1662 | add_cmd ("stack", class_stack, NULL, _("\ | |
1663 | Examining the stack.\n\ | |
d318976c FN |
1664 | The stack is made up of stack frames. Gdb assigns numbers to stack frames\n\ |
1665 | counting from zero for the innermost (currently executing) frame.\n\n\ | |
1666 | At any time gdb identifies one frame as the \"selected\" frame.\n\ | |
1667 | Variable lookups are done with respect to the selected frame.\n\ | |
1668 | When the program being debugged stops, gdb selects the innermost frame.\n\ | |
1a966eab | 1669 | The commands below can be used to select other frames by number or address."), |
d318976c | 1670 | &cmdlist); |
1a966eab | 1671 | add_cmd ("running", class_run, NULL, _("Running the program."), &cmdlist); |
d318976c | 1672 | |
ebcd3b23 | 1673 | /* Define general commands. */ |
d318976c | 1674 | |
d729566a | 1675 | add_com ("pwd", class_files, pwd_command, _("\ |
1bedd215 | 1676 | Print working directory. This is used for your program as well.")); |
4f8d22e3 | 1677 | |
1a966eab AC |
1678 | c = add_cmd ("cd", class_files, cd_command, _("\ |
1679 | Set working directory to DIR for debugger and program being debugged.\n\ | |
d318976c | 1680 | The change does not take effect for the program being debugged\n\ |
1a966eab | 1681 | until the next time it is started."), &cmdlist); |
5ba2abeb | 1682 | set_cmd_completer (c, filename_completer); |
d318976c | 1683 | |
1bedd215 AC |
1684 | add_com ("echo", class_support, echo_command, _("\ |
1685 | Print a constant string. Give string as argument.\n\ | |
d318976c FN |
1686 | C escape sequences may be used in the argument.\n\ |
1687 | No newline is added at the end of the argument;\n\ | |
1688 | use \"\\n\" if you want a newline to be printed.\n\ | |
1689 | Since leading and trailing whitespace are ignored in command arguments,\n\ | |
1690 | if you want to print some you must use \"\\\" before leading whitespace\n\ | |
1bedd215 | 1691 | to be printed or after trailing whitespace.")); |
d318976c | 1692 | |
973817a3 JB |
1693 | add_setshow_enum_cmd ("script-extension", class_support, |
1694 | script_ext_enums, &script_ext_mode, _("\ | |
1695 | Set mode for script filename extension recognition."), _("\ | |
1696 | Show mode for script filename extension recognition."), _("\ | |
1697 | off == no filename extension recognition (all sourced files are GDB scripts)\n\ | |
1698 | soft == evaluate script according to filename extension, fallback to GDB script" | |
1699 | "\n\ | |
1700 | strict == evaluate script according to filename extension, error if not supported" | |
1701 | ), | |
1702 | NULL, | |
1703 | show_script_ext_mode, | |
1704 | &setlist, &showlist); | |
1705 | ||
bdb52a22 TT |
1706 | add_com ("quit", class_support, quit_command, _("\ |
1707 | Exit gdb.\n\ | |
1708 | Usage: quit [EXPR]\n\ | |
1709 | The optional expression EXPR, if present, is evaluated and the result\n\ | |
1710 | used as GDB's exit code. The default is zero.")); | |
1bedd215 AC |
1711 | c = add_com ("help", class_support, help_command, |
1712 | _("Print list of commands.")); | |
5ba2abeb | 1713 | set_cmd_completer (c, command_completer); |
d318976c FN |
1714 | add_com_alias ("q", "quit", class_support, 1); |
1715 | add_com_alias ("h", "help", class_support, 1); | |
1716 | ||
5bf193a2 AC |
1717 | add_setshow_boolean_cmd ("verbose", class_support, &info_verbose, _("\ |
1718 | Set verbosity."), _("\ | |
1719 | Show verbosity."), NULL, | |
1720 | set_verbose, | |
920d2a44 | 1721 | show_info_verbose, |
5bf193a2 | 1722 | &setlist, &showlist); |
d318976c FN |
1723 | |
1724 | add_prefix_cmd ("history", class_support, set_history, | |
1bedd215 | 1725 | _("Generic command for setting command history parameters."), |
d318976c FN |
1726 | &sethistlist, "set history ", 0, &setlist); |
1727 | add_prefix_cmd ("history", class_support, show_history, | |
1bedd215 | 1728 | _("Generic command for showing command history parameters."), |
d318976c FN |
1729 | &showhistlist, "show history ", 0, &showlist); |
1730 | ||
5bf193a2 AC |
1731 | add_setshow_boolean_cmd ("expansion", no_class, &history_expansion_p, _("\ |
1732 | Set history expansion on command input."), _("\ | |
1733 | Show history expansion on command input."), _("\ | |
1734 | Without an argument, history expansion is enabled."), | |
1735 | NULL, | |
920d2a44 | 1736 | show_history_expansion_p, |
5bf193a2 | 1737 | &sethistlist, &showhistlist); |
d318976c | 1738 | |
d729566a | 1739 | add_prefix_cmd ("info", class_info, info_command, _("\ |
1bedd215 | 1740 | Generic command for showing things about the program being debugged."), |
d729566a | 1741 | &infolist, "info ", 0, &cmdlist); |
d318976c | 1742 | add_com_alias ("i", "info", class_info, 1); |
a177aad3 | 1743 | add_com_alias ("inf", "info", class_info, 1); |
d318976c FN |
1744 | |
1745 | add_com ("complete", class_obscure, complete_command, | |
1bedd215 | 1746 | _("List the completions for the rest of the line as a command.")); |
d318976c | 1747 | |
d729566a | 1748 | add_prefix_cmd ("show", class_info, show_command, _("\ |
700b53b1 | 1749 | Generic command for showing things about the debugger."), |
d729566a | 1750 | &showlist, "show ", 0, &cmdlist); |
d318976c | 1751 | /* Another way to get at the same thing. */ |
1bedd215 | 1752 | add_info ("set", show_command, _("Show all GDB settings.")); |
d318976c | 1753 | |
db5f229b | 1754 | add_cmd ("commands", no_set_class, show_commands, _("\ |
1a966eab | 1755 | Show the history of commands you typed.\n\ |
d318976c | 1756 | You can supply a command number to start with, or a `+' to start after\n\ |
1a966eab | 1757 | the previous command number shown."), |
d318976c FN |
1758 | &showlist); |
1759 | ||
db5f229b | 1760 | add_cmd ("version", no_set_class, show_version, |
1a966eab | 1761 | _("Show what version of GDB this is."), &showlist); |
d318976c | 1762 | |
6eaaf48b EZ |
1763 | add_cmd ("configuration", no_set_class, show_configuration, |
1764 | _("Show how GDB was configured at build time."), &showlist); | |
1765 | ||
85c07804 AC |
1766 | add_setshow_zinteger_cmd ("remote", no_class, &remote_debug, _("\ |
1767 | Set debugging of remote protocol."), _("\ | |
1768 | Show debugging of remote protocol."), _("\ | |
d318976c | 1769 | When enabled, each packet sent or received with the remote target\n\ |
85c07804 AC |
1770 | is displayed."), |
1771 | NULL, | |
920d2a44 | 1772 | show_remote_debug, |
85c07804 | 1773 | &setdebuglist, &showdebuglist); |
d318976c | 1774 | |
6fc1c773 YQ |
1775 | add_setshow_zuinteger_unlimited_cmd ("remotetimeout", no_class, |
1776 | &remote_timeout, _("\ | |
c0d88b1b AC |
1777 | Set timeout limit to wait for target to respond."), _("\ |
1778 | Show timeout limit to wait for target to respond."), _("\ | |
d318976c | 1779 | This value is used to set the time limit for gdb to wait for a response\n\ |
c0d88b1b | 1780 | from the target."), |
6fc1c773 YQ |
1781 | NULL, |
1782 | show_remote_timeout, | |
1783 | &setlist, &showlist); | |
d318976c FN |
1784 | |
1785 | add_prefix_cmd ("debug", no_class, set_debug, | |
1bedd215 | 1786 | _("Generic command for setting gdb debugging flags"), |
d318976c FN |
1787 | &setdebuglist, "set debug ", 0, &setlist); |
1788 | ||
1789 | add_prefix_cmd ("debug", no_class, show_debug, | |
1bedd215 | 1790 | _("Generic command for showing gdb debugging flags"), |
d318976c FN |
1791 | &showdebuglist, "show debug ", 0, &showlist); |
1792 | ||
1bedd215 AC |
1793 | c = add_com ("shell", class_support, shell_escape, _("\ |
1794 | Execute the rest of the line as a shell command.\n\ | |
1795 | With no arguments, run an inferior shell.")); | |
5ba2abeb | 1796 | set_cmd_completer (c, filename_completer); |
d318976c | 1797 | |
1bedd215 AC |
1798 | c = add_com ("edit", class_files, edit_command, _("\ |
1799 | Edit specified file or function.\n\ | |
0378c332 | 1800 | With no argument, edits file containing most recent line listed.\n\ |
0378c332 FN |
1801 | Editing targets can be specified in these ways:\n\ |
1802 | FILE:LINENUM, to edit at that line in that file,\n\ | |
1803 | FUNCTION, to edit at the beginning of that function,\n\ | |
1804 | FILE:FUNCTION, to distinguish among like-named static functions.\n\ | |
1805 | *ADDRESS, to edit at the line containing that address.\n\ | |
1bedd215 | 1806 | Uses EDITOR environment variable contents as editor (or ex as default).")); |
0378c332 FN |
1807 | |
1808 | c->completer = location_completer; | |
1809 | ||
1bedd215 AC |
1810 | add_com ("list", class_files, list_command, _("\ |
1811 | List specified function or line.\n\ | |
0378c332 FN |
1812 | With no argument, lists ten more lines after or around previous listing.\n\ |
1813 | \"list -\" lists the ten lines before a previous ten-line listing.\n\ | |
1814 | One argument specifies a line, and ten lines are listed around that line.\n\ | |
1815 | Two arguments with comma between specify starting and ending lines to list.\n\ | |
0378c332 FN |
1816 | Lines can be specified in these ways:\n\ |
1817 | LINENUM, to list around that line in current file,\n\ | |
1818 | FILE:LINENUM, to list around that line in that file,\n\ | |
1819 | FUNCTION, to list around beginning of that function,\n\ | |
1820 | FILE:FUNCTION, to distinguish among like-named static functions.\n\ | |
1821 | *ADDRESS, to list around the line containing that address.\n\ | |
9a2b4c1b MS |
1822 | With two args if one is empty it stands for ten lines away from \ |
1823 | the other arg.")); | |
0378c332 FN |
1824 | |
1825 | if (!xdb_commands) | |
1826 | add_com_alias ("l", "list", class_files, 1); | |
1827 | else | |
1828 | add_com_alias ("v", "list", class_files, 1); | |
1829 | ||
1830 | if (dbx_commands) | |
1831 | add_com_alias ("file", "list", class_files, 1); | |
1832 | ||
1bedd215 AC |
1833 | c = add_com ("disassemble", class_vars, disassemble_command, _("\ |
1834 | Disassemble a specified section of memory.\n\ | |
83c31e7d | 1835 | Default is the function surrounding the pc of the selected frame.\n\ |
d14508fe | 1836 | With a /m modifier, source lines are included (if available).\n\ |
e6158f16 | 1837 | With a /r modifier, raw instructions in hex are included.\n\ |
83c31e7d | 1838 | With a single argument, the function surrounding that address is dumped.\n\ |
53a71c06 | 1839 | Two arguments (separated by a comma) are taken as a range of memory to dump,\n\ |
7e1e0340 DE |
1840 | in the form of \"start,end\", or \"start,+length\".\n\ |
1841 | \n\ | |
1842 | Note that the address is interpreted as an expression, not as a location\n\ | |
1843 | like in the \"break\" command.\n\ | |
1844 | So, for example, if you want to disassemble function bar in file foo.c\n\ | |
1845 | you must type \"disassemble 'foo.c'::bar\" and not \"disassemble foo.c:bar\".")); | |
83c31e7d FN |
1846 | set_cmd_completer (c, location_completer); |
1847 | if (xdb_commands) | |
1848 | add_com_alias ("va", "disassemble", class_xdb, 0); | |
0378c332 | 1849 | |
ed59ded5 | 1850 | add_com_alias ("!", "shell", class_support, 0); |
d318976c | 1851 | |
1bedd215 AC |
1852 | c = add_com ("make", class_support, make_command, _("\ |
1853 | Run the ``make'' program using the rest of the line as arguments.")); | |
5ba2abeb | 1854 | set_cmd_completer (c, filename_completer); |
1a966eab | 1855 | add_cmd ("user", no_class, show_user, _("\ |
ed3ef339 | 1856 | Show definitions of non-python/scheme user defined commands.\n\ |
d318976c | 1857 | Argument is the name of the user defined command.\n\ |
1a966eab | 1858 | With no argument, show definitions of all user defined commands."), &showlist); |
1bedd215 AC |
1859 | add_com ("apropos", class_support, apropos_command, |
1860 | _("Search for commands matching a REGEXP")); | |
20f01a46 | 1861 | |
883b9c6c | 1862 | add_setshow_uinteger_cmd ("max-user-call-depth", no_class, |
c0d88b1b | 1863 | &max_user_call_depth, _("\ |
ed3ef339 DE |
1864 | Set the max call depth for non-python/scheme user-defined commands."), _("\ |
1865 | Show the max call depth for non-python/scheme user-defined commands."), NULL, | |
883b9c6c YQ |
1866 | NULL, |
1867 | show_max_user_call_depth, | |
1868 | &setlist, &showlist); | |
16026cd7 AS |
1869 | |
1870 | add_setshow_boolean_cmd ("trace-commands", no_class, &trace_commands, _("\ | |
1871 | Set tracing of GDB CLI commands."), _("\ | |
1872 | Show state of GDB CLI command tracing."), _("\ | |
1873 | When 'on', each command is displayed as it is executed."), | |
1874 | NULL, | |
1875 | NULL, | |
1876 | &setlist, &showlist); | |
5a56e9c5 DE |
1877 | |
1878 | c = add_com ("alias", class_support, alias_command, _("\ | |
1879 | Define a new command that is an alias of an existing command.\n\ | |
1880 | Usage: alias [-a] [--] ALIAS = COMMAND\n\ | |
1881 | ALIAS is the name of the alias command to create.\n\ | |
1882 | COMMAND is the command being aliased to.\n\ | |
1883 | If \"-a\" is specified, the command is an abbreviation,\n\ | |
1884 | and will not appear in help command list output.\n\ | |
1885 | \n\ | |
1886 | Examples:\n\ | |
1887 | Make \"spe\" an alias of \"set print elements\":\n\ | |
1888 | alias spe = set print elements\n\ | |
1889 | Make \"elms\" an alias of \"elements\" in the \"set print\" command:\n\ | |
1890 | alias -a set print elms = set print elements")); | |
d318976c | 1891 | } |
43e4916f TT |
1892 | |
1893 | void | |
1894 | init_cli_cmds (void) | |
1895 | { | |
1896 | struct cmd_list_element *c; | |
1897 | char *source_help_text; | |
1898 | ||
1899 | source_help_text = xstrprintf (_("\ | |
1900 | Read commands from a file named FILE.\n\ | |
1901 | \n\ | |
1902 | Usage: source [-s] [-v] FILE\n\ | |
1903 | -s: search for the script in the source search path,\n\ | |
1904 | even if FILE contains directories.\n\ | |
1905 | -v: each command in FILE is echoed as it is executed.\n\ | |
1906 | \n\ | |
1907 | Note that the file \"%s\" is read automatically in this way\n\ | |
1908 | when GDB is started."), gdbinit); | |
1909 | c = add_cmd ("source", class_support, source_command, | |
1910 | source_help_text, &cmdlist); | |
1911 | set_cmd_completer (c, filename_completer); | |
1912 | } |