Commit | Line | Data |
---|---|---|
d318976c | 1 | /* GDB CLI commands. |
8926118c | 2 | |
32d0add0 | 3 | Copyright (C) 2000-2015 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" |
f00aae0f | 41 | #include "location.h" |
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" | |
529480d0 | 50 | #include "cli/cli-utils.h" |
d318976c | 51 | |
6dddc817 | 52 | #include "extension.h" |
973817a3 | 53 | |
6a83354a | 54 | #ifdef TUI |
ebcd3b23 | 55 | #include "tui/tui.h" /* For tui_active et.al. */ |
6a83354a AC |
56 | #endif |
57 | ||
4b505b12 AS |
58 | #include <fcntl.h> |
59 | ||
0378c332 | 60 | /* Prototypes for local command functions */ |
d318976c FN |
61 | |
62 | static void complete_command (char *, int); | |
63 | ||
64 | static void echo_command (char *, int); | |
65 | ||
66 | static void pwd_command (char *, int); | |
67 | ||
68 | static void show_version (char *, int); | |
69 | ||
d318976c FN |
70 | static void help_command (char *, int); |
71 | ||
72 | static void show_command (char *, int); | |
73 | ||
74 | static void info_command (char *, int); | |
75 | ||
76 | static void show_debug (char *, int); | |
77 | ||
78 | static void set_debug (char *, int); | |
79 | ||
80 | static void show_user (char *, int); | |
81 | ||
82 | static void make_command (char *, int); | |
83 | ||
84 | static void shell_escape (char *, int); | |
85 | ||
0378c332 FN |
86 | static void edit_command (char *, int); |
87 | ||
88 | static void list_command (char *, int); | |
89 | ||
0378c332 FN |
90 | /* Prototypes for local utility functions */ |
91 | ||
92 | static void ambiguous_line_spec (struct symtabs_and_lines *); | |
f8eba3c6 TT |
93 | |
94 | static void filter_sals (struct symtabs_and_lines *); | |
95 | ||
d318976c | 96 | \f |
20f01a46 | 97 | /* Limit the call depth of user-defined commands */ |
883b9c6c | 98 | unsigned int max_user_call_depth; |
20f01a46 | 99 | |
d318976c FN |
100 | /* Define all cmd_list_elements. */ |
101 | ||
102 | /* Chain containing all defined commands. */ | |
103 | ||
104 | struct cmd_list_element *cmdlist; | |
105 | ||
106 | /* Chain containing all defined info subcommands. */ | |
107 | ||
108 | struct cmd_list_element *infolist; | |
109 | ||
ebcd3b23 | 110 | /* Chain containing all defined enable subcommands. */ |
d318976c FN |
111 | |
112 | struct cmd_list_element *enablelist; | |
113 | ||
ebcd3b23 | 114 | /* Chain containing all defined disable subcommands. */ |
d318976c FN |
115 | |
116 | struct cmd_list_element *disablelist; | |
117 | ||
ebcd3b23 | 118 | /* Chain containing all defined stop subcommands. */ |
d318976c FN |
119 | |
120 | struct cmd_list_element *stoplist; | |
121 | ||
ebcd3b23 | 122 | /* Chain containing all defined delete subcommands. */ |
d318976c FN |
123 | |
124 | struct cmd_list_element *deletelist; | |
125 | ||
ebcd3b23 | 126 | /* Chain containing all defined detach subcommands. */ |
f73adfeb AS |
127 | |
128 | struct cmd_list_element *detachlist; | |
129 | ||
ebcd3b23 | 130 | /* Chain containing all defined kill subcommands. */ |
2277426b PA |
131 | |
132 | struct cmd_list_element *killlist; | |
133 | ||
d318976c FN |
134 | /* Chain containing all defined set subcommands */ |
135 | ||
136 | struct cmd_list_element *setlist; | |
137 | ||
138 | /* Chain containing all defined unset subcommands */ | |
139 | ||
140 | struct cmd_list_element *unsetlist; | |
141 | ||
142 | /* Chain containing all defined show subcommands. */ | |
143 | ||
144 | struct cmd_list_element *showlist; | |
145 | ||
146 | /* Chain containing all defined \"set history\". */ | |
147 | ||
148 | struct cmd_list_element *sethistlist; | |
149 | ||
150 | /* Chain containing all defined \"show history\". */ | |
151 | ||
152 | struct cmd_list_element *showhistlist; | |
153 | ||
154 | /* Chain containing all defined \"unset history\". */ | |
155 | ||
156 | struct cmd_list_element *unsethistlist; | |
157 | ||
ebcd3b23 | 158 | /* Chain containing all defined maintenance subcommands. */ |
d318976c FN |
159 | |
160 | struct cmd_list_element *maintenancelist; | |
161 | ||
ebcd3b23 | 162 | /* Chain containing all defined "maintenance info" subcommands. */ |
d318976c FN |
163 | |
164 | struct cmd_list_element *maintenanceinfolist; | |
165 | ||
ebcd3b23 | 166 | /* Chain containing all defined "maintenance print" subcommands. */ |
d318976c FN |
167 | |
168 | struct cmd_list_element *maintenanceprintlist; | |
169 | ||
170 | struct cmd_list_element *setprintlist; | |
171 | ||
172 | struct cmd_list_element *showprintlist; | |
173 | ||
174 | struct cmd_list_element *setdebuglist; | |
175 | ||
176 | struct cmd_list_element *showdebuglist; | |
177 | ||
178 | struct cmd_list_element *setchecklist; | |
179 | ||
180 | struct cmd_list_element *showchecklist; | |
16026cd7 AS |
181 | |
182 | /* Command tracing state. */ | |
183 | ||
184 | int source_verbose = 0; | |
185 | int trace_commands = 0; | |
d318976c | 186 | \f |
973817a3 JB |
187 | /* 'script-extension' option support. */ |
188 | ||
189 | static const char script_ext_off[] = "off"; | |
190 | static const char script_ext_soft[] = "soft"; | |
191 | static const char script_ext_strict[] = "strict"; | |
192 | ||
40478521 | 193 | static const char *const script_ext_enums[] = { |
973817a3 JB |
194 | script_ext_off, |
195 | script_ext_soft, | |
196 | script_ext_strict, | |
197 | NULL | |
198 | }; | |
199 | ||
200 | static const char *script_ext_mode = script_ext_soft; | |
201 | \f | |
d318976c | 202 | /* Utility used everywhere when at least one argument is needed and |
ebcd3b23 | 203 | none is supplied. */ |
d318976c FN |
204 | |
205 | void | |
5b10184c | 206 | error_no_arg (const char *why) |
d318976c | 207 | { |
8a3fe4f8 | 208 | error (_("Argument required (%s)."), why); |
d318976c FN |
209 | } |
210 | ||
211 | /* The "info" command is defined as a prefix, with allow_unknown = 0. | |
ebcd3b23 MS |
212 | Therefore, its own definition is called only for "info" with no |
213 | args. */ | |
d318976c | 214 | |
d318976c FN |
215 | static void |
216 | info_command (char *arg, int from_tty) | |
217 | { | |
9a2b4c1b MS |
218 | printf_unfiltered (_("\"info\" must be followed by " |
219 | "the name of an info command.\n")); | |
635c7e8a | 220 | help_list (infolist, "info ", all_commands, gdb_stdout); |
d318976c FN |
221 | } |
222 | ||
223 | /* The "show" command with no arguments shows all the settings. */ | |
224 | ||
d318976c FN |
225 | static void |
226 | show_command (char *arg, int from_tty) | |
227 | { | |
228 | cmd_show_list (showlist, from_tty, ""); | |
229 | } | |
230 | \f | |
231 | /* Provide documentation on command or list given by COMMAND. FROM_TTY | |
232 | is ignored. */ | |
233 | ||
d318976c FN |
234 | static void |
235 | help_command (char *command, int from_tty) | |
236 | { | |
237 | help_cmd (command, gdb_stdout); | |
238 | } | |
239 | \f | |
ef0b411a GB |
240 | /* Note: The "complete" command is used by Emacs to implement completion. |
241 | [Is that why this function writes output with *_unfiltered?] */ | |
d318976c | 242 | |
d318976c FN |
243 | static void |
244 | complete_command (char *arg, int from_tty) | |
245 | { | |
d318976c | 246 | int argpoint; |
49c4e619 TT |
247 | char *point, *arg_prefix; |
248 | VEC (char_ptr) *completions; | |
d318976c FN |
249 | |
250 | dont_repeat (); | |
251 | ||
ef0b411a GB |
252 | if (max_completions == 0) |
253 | { | |
254 | /* Only print this for non-mi frontends. An MI frontend may not | |
255 | be able to handle this. */ | |
256 | if (!ui_out_is_mi_like_p (current_uiout)) | |
257 | { | |
258 | printf_unfiltered (_("max-completions is zero," | |
259 | " completion is disabled.\n")); | |
260 | } | |
261 | return; | |
262 | } | |
263 | ||
d318976c FN |
264 | if (arg == NULL) |
265 | arg = ""; | |
266 | argpoint = strlen (arg); | |
267 | ||
ebcd3b23 MS |
268 | /* complete_line assumes that its first argument is somewhere |
269 | within, and except for filenames at the beginning of, the word to | |
270 | be completed. The following crude imitation of readline's | |
271 | word-breaking tries to accomodate this. */ | |
d9b52655 DJ |
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 | { |
49c4e619 TT |
288 | int ix, size = VEC_length (char_ptr, completions); |
289 | char *item, *prev = NULL; | |
83d31a92 | 290 | |
49c4e619 TT |
291 | qsort (VEC_address (char_ptr, completions), size, |
292 | sizeof (char *), compare_strings); | |
83d31a92 TT |
293 | |
294 | /* We do extra processing here since we only want to print each | |
295 | unique item once. */ | |
49c4e619 | 296 | for (ix = 0; VEC_iterate (char_ptr, completions, ix, item); ++ix) |
83d31a92 | 297 | { |
49c4e619 | 298 | if (prev == NULL || strcmp (item, prev) != 0) |
83d31a92 | 299 | { |
49c4e619 TT |
300 | printf_unfiltered ("%s%s\n", arg_prefix, item); |
301 | xfree (prev); | |
302 | prev = item; | |
83d31a92 | 303 | } |
49c4e619 TT |
304 | else |
305 | xfree (item); | |
83d31a92 TT |
306 | } |
307 | ||
49c4e619 TT |
308 | xfree (prev); |
309 | VEC_free (char_ptr, completions); | |
ef0b411a GB |
310 | |
311 | if (size == max_completions) | |
312 | { | |
313 | /* ARG_PREFIX and POINT are included in the output so that emacs | |
314 | will include the message in the output. */ | |
315 | printf_unfiltered (_("%s%s %s\n"), | |
316 | arg_prefix, point, | |
317 | get_max_completions_reached_message ()); | |
318 | } | |
d318976c FN |
319 | } |
320 | } | |
321 | ||
bbaca940 AC |
322 | int |
323 | is_complete_command (struct cmd_list_element *c) | |
d318976c | 324 | { |
bbaca940 | 325 | return cmd_cfunc_eq (c, complete_command); |
d318976c FN |
326 | } |
327 | ||
d318976c FN |
328 | static void |
329 | show_version (char *args, int from_tty) | |
330 | { | |
d318976c FN |
331 | print_gdb_version (gdb_stdout); |
332 | printf_filtered ("\n"); | |
d318976c FN |
333 | } |
334 | ||
6eaaf48b EZ |
335 | static void |
336 | show_configuration (char *args, int from_tty) | |
337 | { | |
338 | print_gdb_configuration (gdb_stdout); | |
339 | } | |
340 | ||
d318976c FN |
341 | /* Handle the quit command. */ |
342 | ||
343 | void | |
344 | quit_command (char *args, int from_tty) | |
345 | { | |
346 | if (!quit_confirm ()) | |
8a3fe4f8 | 347 | error (_("Not confirmed.")); |
d5551862 | 348 | |
2f9d54cf | 349 | query_if_trace_running (from_tty); |
d5551862 | 350 | |
d318976c FN |
351 | quit_force (args, from_tty); |
352 | } | |
353 | ||
d318976c FN |
354 | static void |
355 | pwd_command (char *args, int from_tty) | |
356 | { | |
357 | if (args) | |
8a3fe4f8 | 358 | error (_("The \"pwd\" command does not take an argument: %s"), args); |
bf1d7d9c JB |
359 | if (! getcwd (gdb_dirbuf, sizeof (gdb_dirbuf))) |
360 | error (_("Error finding name of working directory: %s"), | |
361 | safe_strerror (errno)); | |
d318976c | 362 | |
6314a349 | 363 | if (strcmp (gdb_dirbuf, current_directory) != 0) |
a3f17187 | 364 | printf_unfiltered (_("Working directory %s\n (canonically %s).\n"), |
d318976c FN |
365 | current_directory, gdb_dirbuf); |
366 | else | |
a3f17187 | 367 | printf_unfiltered (_("Working directory %s.\n"), current_directory); |
d318976c FN |
368 | } |
369 | ||
370 | void | |
371 | cd_command (char *dir, int from_tty) | |
372 | { | |
373 | int len; | |
374 | /* Found something other than leading repetitions of "/..". */ | |
375 | int found_real_path; | |
376 | char *p; | |
5b3fca71 | 377 | struct cleanup *cleanup; |
d318976c FN |
378 | |
379 | /* If the new directory is absolute, repeat is a no-op; if relative, | |
380 | repeat might be useful but is more likely to be a mistake. */ | |
381 | dont_repeat (); | |
382 | ||
383 | if (dir == 0) | |
f3c8a52a | 384 | dir = "~"; |
d318976c FN |
385 | |
386 | dir = tilde_expand (dir); | |
5b3fca71 | 387 | cleanup = make_cleanup (xfree, dir); |
d318976c FN |
388 | |
389 | if (chdir (dir) < 0) | |
390 | perror_with_name (dir); | |
391 | ||
c3690141 | 392 | #ifdef HAVE_DOS_BASED_FILE_SYSTEM |
d318976c FN |
393 | /* There's too much mess with DOSish names like "d:", "d:.", |
394 | "d:./foo" etc. Instead of having lots of special #ifdef'ed code, | |
395 | simply get the canonicalized name of the current directory. */ | |
396 | dir = getcwd (gdb_dirbuf, sizeof (gdb_dirbuf)); | |
397 | #endif | |
398 | ||
399 | len = strlen (dir); | |
fe4e3eb8 | 400 | if (IS_DIR_SEPARATOR (dir[len - 1])) |
d318976c FN |
401 | { |
402 | /* Remove the trailing slash unless this is a root directory | |
403 | (including a drive letter on non-Unix systems). */ | |
404 | if (!(len == 1) /* "/" */ | |
c3690141 | 405 | #ifdef HAVE_DOS_BASED_FILE_SYSTEM |
fe4e3eb8 | 406 | && !(len == 3 && dir[1] == ':') /* "d:/" */ |
d318976c FN |
407 | #endif |
408 | ) | |
409 | len--; | |
410 | } | |
411 | ||
412 | dir = savestring (dir, len); | |
fe4e3eb8 | 413 | if (IS_ABSOLUTE_PATH (dir)) |
d318976c FN |
414 | current_directory = dir; |
415 | else | |
416 | { | |
fe4e3eb8 | 417 | if (IS_DIR_SEPARATOR (current_directory[strlen (current_directory) - 1])) |
1754f103 | 418 | current_directory = concat (current_directory, dir, (char *)NULL); |
d318976c | 419 | else |
1754f103 MK |
420 | current_directory = concat (current_directory, SLASH_STRING, |
421 | dir, (char *)NULL); | |
b8c9b27d | 422 | xfree (dir); |
d318976c FN |
423 | } |
424 | ||
425 | /* Now simplify any occurrences of `.' and `..' in the pathname. */ | |
426 | ||
427 | found_real_path = 0; | |
428 | for (p = current_directory; *p;) | |
429 | { | |
fe4e3eb8 EZ |
430 | if (IS_DIR_SEPARATOR (p[0]) && p[1] == '.' |
431 | && (p[2] == 0 || IS_DIR_SEPARATOR (p[2]))) | |
b2a3b509 | 432 | memmove (p, p + 2, strlen (p + 2) + 1); |
fe4e3eb8 EZ |
433 | else if (IS_DIR_SEPARATOR (p[0]) && p[1] == '.' && p[2] == '.' |
434 | && (p[3] == 0 || IS_DIR_SEPARATOR (p[3]))) | |
d318976c FN |
435 | { |
436 | if (found_real_path) | |
437 | { | |
438 | /* Search backwards for the directory just before the "/.." | |
439 | and obliterate it and the "/..". */ | |
440 | char *q = p; | |
cdb27c12 | 441 | |
fe4e3eb8 | 442 | while (q != current_directory && !IS_DIR_SEPARATOR (q[-1])) |
d318976c FN |
443 | --q; |
444 | ||
445 | if (q == current_directory) | |
446 | /* current_directory is | |
447 | a relative pathname ("can't happen"--leave it alone). */ | |
448 | ++p; | |
449 | else | |
450 | { | |
b2a3b509 | 451 | memmove (q - 1, p + 3, strlen (p + 3) + 1); |
d318976c FN |
452 | p = q - 1; |
453 | } | |
454 | } | |
455 | else | |
ebcd3b23 MS |
456 | /* We are dealing with leading repetitions of "/..", for |
457 | example "/../..", which is the Mach super-root. */ | |
d318976c FN |
458 | p += 3; |
459 | } | |
460 | else | |
461 | { | |
462 | found_real_path = 1; | |
463 | ++p; | |
464 | } | |
465 | } | |
466 | ||
467 | forget_cached_source_info (); | |
468 | ||
469 | if (from_tty) | |
470 | pwd_command ((char *) 0, 1); | |
5b3fca71 TT |
471 | |
472 | do_cleanups (cleanup); | |
d318976c FN |
473 | } |
474 | \f | |
973817a3 JB |
475 | /* Show the current value of the 'script-extension' option. */ |
476 | ||
477 | static void | |
478 | show_script_ext_mode (struct ui_file *file, int from_tty, | |
479 | struct cmd_list_element *c, const char *value) | |
d318976c | 480 | { |
9a2b4c1b MS |
481 | fprintf_filtered (file, |
482 | _("Script filename extension recognition is \"%s\".\n"), | |
973817a3 JB |
483 | value); |
484 | } | |
485 | ||
3f7b2faa DE |
486 | /* Try to open SCRIPT_FILE. |
487 | If successful, the full path name is stored in *FULL_PATHP, | |
488 | the stream is stored in *STREAMP, and return 1. | |
489 | The caller is responsible for freeing *FULL_PATHP. | |
490 | If not successful, return 0; errno is set for the last file | |
491 | we tried to open. | |
492 | ||
493 | If SEARCH_PATH is non-zero, and the file isn't found in cwd, | |
f5b95b50 | 494 | search for it in the source search path. */ |
3f7b2faa | 495 | |
8a1ea21f | 496 | int |
3f7b2faa DE |
497 | find_and_open_script (const char *script_file, int search_path, |
498 | FILE **streamp, char **full_pathp) | |
973817a3 | 499 | { |
3f7b2faa | 500 | char *file; |
4b505b12 | 501 | int fd; |
973817a3 | 502 | struct cleanup *old_cleanups; |
492c0ab7 | 503 | int search_flags = OPF_TRY_CWD_FIRST | OPF_RETURN_REALPATH; |
d318976c | 504 | |
3f7b2faa | 505 | file = tilde_expand (script_file); |
b8c9b27d | 506 | old_cleanups = make_cleanup (xfree, file); |
d318976c | 507 | |
3f7b2faa DE |
508 | if (search_path) |
509 | search_flags |= OPF_SEARCH_IN_PATH; | |
4b505b12 | 510 | |
3f7b2faa DE |
511 | /* Search for and open 'file' on the search path used for source |
512 | files. Put the full location in *FULL_PATHP. */ | |
513 | fd = openp (source_path, search_flags, | |
514 | file, O_RDONLY, full_pathp); | |
4b505b12 AS |
515 | |
516 | if (fd == -1) | |
d318976c | 517 | { |
3f7b2faa DE |
518 | int save_errno = errno; |
519 | do_cleanups (old_cleanups); | |
520 | errno = save_errno; | |
521 | return 0; | |
d318976c FN |
522 | } |
523 | ||
3f7b2faa | 524 | do_cleanups (old_cleanups); |
973817a3 | 525 | |
3f7b2faa | 526 | *streamp = fdopen (fd, FOPEN_RT); |
77a35dd8 JK |
527 | if (*streamp == NULL) |
528 | { | |
529 | int save_errno = errno; | |
530 | ||
531 | close (fd); | |
532 | if (full_pathp) | |
533 | xfree (*full_pathp); | |
534 | errno = save_errno; | |
535 | return 0; | |
536 | } | |
537 | ||
973817a3 JB |
538 | return 1; |
539 | } | |
540 | ||
86eb7e95 | 541 | /* Load script FILE, which has already been opened as STREAM. */ |
973817a3 | 542 | |
3f7b2faa DE |
543 | static void |
544 | source_script_from_stream (FILE *stream, const char *file) | |
545 | { | |
6dddc817 | 546 | if (script_ext_mode != script_ext_off) |
973817a3 | 547 | { |
6dddc817 DE |
548 | const struct extension_language_defn *extlang |
549 | = get_ext_lang_of_file (file); | |
550 | ||
551 | if (extlang != NULL) | |
973817a3 | 552 | { |
6dddc817 DE |
553 | if (ext_lang_present_p (extlang)) |
554 | { | |
555 | script_sourcer_func *sourcer | |
556 | = ext_lang_script_sourcer (extlang); | |
557 | ||
558 | gdb_assert (sourcer != NULL); | |
559 | sourcer (extlang, stream, file); | |
560 | return; | |
561 | } | |
562 | else if (script_ext_mode == script_ext_soft) | |
563 | { | |
564 | /* Assume the file is a gdb script. | |
565 | This is handled below. */ | |
566 | } | |
567 | else | |
568 | throw_ext_lang_unsupported (extlang); | |
973817a3 JB |
569 | } |
570 | } | |
6dddc817 DE |
571 | |
572 | script_from_file (stream, file); | |
3f7b2faa | 573 | } |
d318976c | 574 | |
3f7b2faa DE |
575 | /* Worker to perform the "source" command. |
576 | Load script FILE. | |
577 | If SEARCH_PATH is non-zero, and the file isn't found in cwd, | |
578 | search for it in the source search path. */ | |
579 | ||
580 | static void | |
581 | source_script_with_search (const char *file, int from_tty, int search_path) | |
582 | { | |
583 | FILE *stream; | |
584 | char *full_path; | |
585 | struct cleanup *old_cleanups; | |
586 | ||
587 | if (file == NULL || *file == 0) | |
588 | error (_("source command requires file name of file to source.")); | |
589 | ||
590 | if (!find_and_open_script (file, search_path, &stream, &full_path)) | |
591 | { | |
d234ef5c | 592 | /* The script wasn't found, or was otherwise inaccessible. |
ebcd3b23 MS |
593 | If the source command was invoked interactively, throw an |
594 | error. Otherwise (e.g. if it was invoked by a script), | |
7c647d61 | 595 | just emit a warning, rather than cause an error. */ |
3f7b2faa DE |
596 | if (from_tty) |
597 | perror_with_name (file); | |
598 | else | |
7c647d61 JB |
599 | { |
600 | perror_warning_with_name (file); | |
601 | return; | |
602 | } | |
3f7b2faa DE |
603 | } |
604 | ||
605 | old_cleanups = make_cleanup (xfree, full_path); | |
86eb7e95 | 606 | make_cleanup_fclose (stream); |
d234ef5c DE |
607 | /* The python support reopens the file, so we need to pass full_path here |
608 | in case the file was found on the search path. It's useful to do this | |
609 | anyway so that error messages show the actual file used. But only do | |
610 | this if we (may have) used search_path, as printing the full path in | |
611 | errors for the non-search case can be more noise than signal. */ | |
612 | source_script_from_stream (stream, search_path ? full_path : file); | |
d318976c FN |
613 | do_cleanups (old_cleanups); |
614 | } | |
615 | ||
3f7b2faa DE |
616 | /* Wrapper around source_script_with_search to export it to main.c |
617 | for use in loading .gdbinit scripts. */ | |
618 | ||
619 | void | |
50dd9793 | 620 | source_script (const char *file, int from_tty) |
3f7b2faa DE |
621 | { |
622 | source_script_with_search (file, from_tty, 0); | |
623 | } | |
624 | ||
16026cd7 AS |
625 | /* Return the source_verbose global variable to its previous state |
626 | on exit from the source command, by whatever means. */ | |
627 | static void | |
628 | source_verbose_cleanup (void *old_value) | |
629 | { | |
630 | source_verbose = *(int *)old_value; | |
631 | xfree (old_value); | |
632 | } | |
633 | ||
634 | static void | |
635 | source_command (char *args, int from_tty) | |
636 | { | |
637 | struct cleanup *old_cleanups; | |
638 | char *file = args; | |
639 | int *old_source_verbose = xmalloc (sizeof(int)); | |
3f7b2faa | 640 | int search_path = 0; |
16026cd7 AS |
641 | |
642 | *old_source_verbose = source_verbose; | |
ebcd3b23 MS |
643 | old_cleanups = make_cleanup (source_verbose_cleanup, |
644 | old_source_verbose); | |
16026cd7 AS |
645 | |
646 | /* -v causes the source command to run in verbose mode. | |
3f7b2faa DE |
647 | -s causes the file to be searched in the source search path, |
648 | even if the file name contains a '/'. | |
16026cd7 AS |
649 | We still have to be able to handle filenames with spaces in a |
650 | backward compatible way, so buildargv is not appropriate. */ | |
651 | ||
652 | if (args) | |
653 | { | |
3f7b2faa | 654 | while (args[0] != '\0') |
16026cd7 | 655 | { |
ebcd3b23 MS |
656 | /* Make sure leading white space does not break the |
657 | comparisons. */ | |
529480d0 | 658 | args = skip_spaces (args); |
3f7b2faa DE |
659 | |
660 | if (args[0] != '-') | |
661 | break; | |
662 | ||
663 | if (args[1] == 'v' && isspace (args[2])) | |
664 | { | |
665 | source_verbose = 1; | |
666 | ||
667 | /* Skip passed -v. */ | |
668 | args = &args[3]; | |
669 | } | |
670 | else if (args[1] == 's' && isspace (args[2])) | |
671 | { | |
672 | search_path = 1; | |
16026cd7 | 673 | |
3f7b2faa DE |
674 | /* Skip passed -s. */ |
675 | args = &args[3]; | |
676 | } | |
677 | else | |
678 | break; | |
16026cd7 | 679 | } |
3f7b2faa | 680 | |
529480d0 | 681 | file = skip_spaces (args); |
16026cd7 AS |
682 | } |
683 | ||
3f7b2faa | 684 | source_script_with_search (file, from_tty, search_path); |
96e39866 DE |
685 | |
686 | do_cleanups (old_cleanups); | |
16026cd7 AS |
687 | } |
688 | ||
689 | ||
d318976c FN |
690 | static void |
691 | echo_command (char *text, int from_tty) | |
692 | { | |
d7561cbb | 693 | const char *p = text; |
d5b5ac79 | 694 | int c; |
d318976c FN |
695 | |
696 | if (text) | |
697 | while ((c = *p++) != '\0') | |
698 | { | |
699 | if (c == '\\') | |
700 | { | |
701 | /* \ at end of argument is used after spaces | |
702 | so they won't be lost. */ | |
703 | if (*p == 0) | |
704 | return; | |
705 | ||
f870a310 | 706 | c = parse_escape (get_current_arch (), &p); |
d318976c FN |
707 | if (c >= 0) |
708 | printf_filtered ("%c", c); | |
709 | } | |
710 | else | |
711 | printf_filtered ("%c", c); | |
712 | } | |
713 | ||
714 | /* Force this output to appear now. */ | |
715 | wrap_here (""); | |
716 | gdb_flush (gdb_stdout); | |
717 | } | |
718 | ||
d318976c FN |
719 | static void |
720 | shell_escape (char *arg, int from_tty) | |
721 | { | |
9b265ec2 MM |
722 | #if defined(CANT_FORK) || \ |
723 | (!defined(HAVE_WORKING_VFORK) && !defined(HAVE_WORKING_FORK)) | |
d318976c FN |
724 | /* If ARG is NULL, they want an inferior shell, but `system' just |
725 | reports if the shell is available when passed a NULL arg. */ | |
726 | int rc = system (arg ? arg : ""); | |
727 | ||
728 | if (!arg) | |
729 | arg = "inferior shell"; | |
730 | ||
731 | if (rc == -1) | |
732 | { | |
733 | fprintf_unfiltered (gdb_stderr, "Cannot execute %s: %s\n", arg, | |
734 | safe_strerror (errno)); | |
735 | gdb_flush (gdb_stderr); | |
736 | } | |
737 | else if (rc) | |
738 | { | |
739 | fprintf_unfiltered (gdb_stderr, "%s exited with status %d\n", arg, rc); | |
740 | gdb_flush (gdb_stderr); | |
741 | } | |
2584159e | 742 | #ifdef GLOBAL_CURDIR |
ebcd3b23 MS |
743 | /* Make sure to return to the directory GDB thinks it is, in case |
744 | the shell command we just ran changed it. */ | |
d318976c FN |
745 | chdir (current_directory); |
746 | #endif | |
747 | #else /* Can fork. */ | |
5be4dfca | 748 | int status, pid; |
d318976c | 749 | |
325ed089 | 750 | if ((pid = vfork ()) == 0) |
d318976c | 751 | { |
9f37bbcc | 752 | const char *p, *user_shell; |
30e94205 | 753 | |
614c279d TT |
754 | close_most_fds (); |
755 | ||
30e94205 DJ |
756 | if ((user_shell = (char *) getenv ("SHELL")) == NULL) |
757 | user_shell = "/bin/sh"; | |
758 | ||
ebcd3b23 | 759 | /* Get the name of the shell for arg0. */ |
9f37bbcc | 760 | p = lbasename (user_shell); |
30e94205 | 761 | |
d318976c | 762 | if (!arg) |
36662fde | 763 | execl (user_shell, p, (char *) 0); |
d318976c | 764 | else |
36662fde | 765 | execl (user_shell, p, "-c", arg, (char *) 0); |
d318976c FN |
766 | |
767 | fprintf_unfiltered (gdb_stderr, "Cannot execute %s: %s\n", user_shell, | |
768 | safe_strerror (errno)); | |
769 | gdb_flush (gdb_stderr); | |
770 | _exit (0177); | |
771 | } | |
772 | ||
773 | if (pid != -1) | |
5be4dfca | 774 | waitpid (pid, &status, 0); |
d318976c | 775 | else |
8a3fe4f8 | 776 | error (_("Fork failed")); |
d318976c FN |
777 | #endif /* Can fork. */ |
778 | } | |
779 | ||
0378c332 FN |
780 | static void |
781 | edit_command (char *arg, int from_tty) | |
782 | { | |
783 | struct symtabs_and_lines sals; | |
784 | struct symtab_and_line sal; | |
785 | struct symbol *sym; | |
0378c332 | 786 | char *editor; |
0b0865da TT |
787 | char *p; |
788 | const char *fn; | |
0378c332 | 789 | |
d5529a84 | 790 | /* Pull in the current default source line if necessary. */ |
0378c332 | 791 | if (arg == 0) |
53cb0458 FN |
792 | { |
793 | set_default_source_symtab_and_line (); | |
794 | sal = get_current_source_symtab_and_line (); | |
795 | } | |
0378c332 | 796 | |
ebcd3b23 | 797 | /* Bare "edit" edits file with present line. */ |
0378c332 FN |
798 | |
799 | if (arg == 0) | |
800 | { | |
801 | if (sal.symtab == 0) | |
8a3fe4f8 | 802 | error (_("No default source file yet.")); |
0378c332 FN |
803 | sal.line += get_lines_to_list () / 2; |
804 | } | |
805 | else | |
806 | { | |
f00aae0f KS |
807 | struct cleanup *cleanup; |
808 | struct event_location *location; | |
809 | char *arg1; | |
0378c332 | 810 | |
f00aae0f | 811 | /* Now should only be one argument -- decode it in SAL. */ |
0378c332 | 812 | arg1 = arg; |
f00aae0f KS |
813 | location = string_to_event_location (&arg1, current_language); |
814 | cleanup = make_cleanup_delete_event_location (location); | |
815 | sals = decode_line_1 (location, DECODE_LINE_LIST_MODE, 0, 0); | |
0378c332 | 816 | |
f8eba3c6 | 817 | filter_sals (&sals); |
d5529a84 TT |
818 | if (! sals.nelts) |
819 | { | |
820 | /* C++ */ | |
f00aae0f | 821 | do_cleanups (cleanup); |
d5529a84 TT |
822 | return; |
823 | } | |
824 | if (sals.nelts > 1) | |
825 | { | |
826 | ambiguous_line_spec (&sals); | |
827 | xfree (sals.sals); | |
f00aae0f | 828 | do_cleanups (cleanup); |
d5529a84 TT |
829 | return; |
830 | } | |
0378c332 FN |
831 | |
832 | sal = sals.sals[0]; | |
833 | xfree (sals.sals); | |
834 | ||
835 | if (*arg1) | |
8a3fe4f8 | 836 | error (_("Junk at end of line specification.")); |
0378c332 | 837 | |
ebcd3b23 MS |
838 | /* If line was specified by address, first print exactly which |
839 | line, and which file. In this case, sal.symtab == 0 means | |
840 | address is outside of all known source files, not that user | |
841 | failed to give a filename. */ | |
0378c332 FN |
842 | if (*arg == '*') |
843 | { | |
5af949e3 | 844 | struct gdbarch *gdbarch; |
cdb27c12 | 845 | |
0378c332 | 846 | if (sal.symtab == 0) |
8a3fe4f8 | 847 | error (_("No source file for address %s."), |
2b69941d | 848 | paddress (get_current_arch (), sal.pc)); |
5af949e3 | 849 | |
eb822aa6 | 850 | gdbarch = get_objfile_arch (SYMTAB_OBJFILE (sal.symtab)); |
0378c332 FN |
851 | sym = find_pc_function (sal.pc); |
852 | if (sym) | |
5af949e3 UW |
853 | printf_filtered ("%s is in %s (%s:%d).\n", |
854 | paddress (gdbarch, sal.pc), | |
855 | SYMBOL_PRINT_NAME (sym), | |
05cba821 JK |
856 | symtab_to_filename_for_display (sal.symtab), |
857 | sal.line); | |
0378c332 | 858 | else |
5af949e3 UW |
859 | printf_filtered ("%s is at %s:%d.\n", |
860 | paddress (gdbarch, sal.pc), | |
05cba821 JK |
861 | symtab_to_filename_for_display (sal.symtab), |
862 | sal.line); | |
0378c332 FN |
863 | } |
864 | ||
ebcd3b23 MS |
865 | /* If what was given does not imply a symtab, it must be an |
866 | undebuggable symbol which means no source code. */ | |
0378c332 FN |
867 | |
868 | if (sal.symtab == 0) | |
8a3fe4f8 | 869 | error (_("No line number known for %s."), arg); |
f00aae0f | 870 | do_cleanups (cleanup); |
0378c332 FN |
871 | } |
872 | ||
873 | if ((editor = (char *) getenv ("EDITOR")) == NULL) | |
874 | editor = "/bin/ex"; | |
a955ca71 | 875 | |
f35a17b5 | 876 | fn = symtab_to_fullname (sal.symtab); |
0378c332 | 877 | |
a955ca71 EZ |
878 | /* Quote the file name, in case it has whitespace or other special |
879 | characters. */ | |
880 | p = xstrprintf ("%s +%d \"%s\"", editor, sal.line, fn); | |
d5529a84 TT |
881 | shell_escape (p, from_tty); |
882 | xfree (p); | |
0378c332 FN |
883 | } |
884 | ||
885 | static void | |
886 | list_command (char *arg, int from_tty) | |
887 | { | |
888 | struct symtabs_and_lines sals, sals_end; | |
245c7f48 DJ |
889 | struct symtab_and_line sal = { 0 }; |
890 | struct symtab_and_line sal_end = { 0 }; | |
891 | struct symtab_and_line cursal = { 0 }; | |
0378c332 FN |
892 | struct symbol *sym; |
893 | char *arg1; | |
894 | int no_end = 1; | |
895 | int dummy_end = 0; | |
896 | int dummy_beg = 0; | |
897 | int linenum_beg = 0; | |
898 | char *p; | |
f00aae0f KS |
899 | struct cleanup *cleanup; |
900 | ||
901 | cleanup = make_cleanup (null_cleanup, NULL); | |
0378c332 | 902 | |
ebcd3b23 | 903 | /* Pull in the current default source line if necessary. */ |
0378c332 | 904 | if (arg == 0 || arg[0] == '+' || arg[0] == '-') |
53cb0458 FN |
905 | { |
906 | set_default_source_symtab_and_line (); | |
907 | cursal = get_current_source_symtab_and_line (); | |
5166082f PA |
908 | |
909 | /* If this is the first "list" since we've set the current | |
910 | source line, center the listing around that line. */ | |
911 | if (get_first_line_listed () == 0) | |
912 | { | |
913 | int first; | |
914 | ||
915 | first = max (cursal.line - get_lines_to_list () / 2, 1); | |
916 | ||
917 | /* A small special case --- if listing backwards, and we | |
918 | should list only one line, list the preceding line, | |
919 | instead of the exact line we've just shown after e.g., | |
920 | stopping for a breakpoint. */ | |
921 | if (arg != NULL && arg[0] == '-' | |
922 | && get_lines_to_list () == 1 && first > 1) | |
923 | first -= 1; | |
924 | ||
925 | print_source_lines (cursal.symtab, first, | |
926 | first + get_lines_to_list (), 0); | |
927 | return; | |
928 | } | |
53cb0458 | 929 | } |
0378c332 FN |
930 | |
931 | /* "l" or "l +" lists next ten lines. */ | |
932 | ||
6314a349 | 933 | if (arg == 0 || strcmp (arg, "+") == 0) |
0378c332 FN |
934 | { |
935 | print_source_lines (cursal.symtab, cursal.line, | |
936 | cursal.line + get_lines_to_list (), 0); | |
937 | return; | |
938 | } | |
939 | ||
ebcd3b23 MS |
940 | /* "l -" lists previous ten lines, the ones before the ten just |
941 | listed. */ | |
6314a349 | 942 | if (strcmp (arg, "-") == 0) |
0378c332 FN |
943 | { |
944 | print_source_lines (cursal.symtab, | |
9a2b4c1b MS |
945 | max (get_first_line_listed () |
946 | - get_lines_to_list (), 1), | |
0378c332 FN |
947 | get_first_line_listed (), 0); |
948 | return; | |
949 | } | |
950 | ||
951 | /* Now if there is only one argument, decode it in SAL | |
952 | and set NO_END. | |
953 | If there are two arguments, decode them in SAL and SAL_END | |
954 | and clear NO_END; however, if one of the arguments is blank, | |
955 | set DUMMY_BEG or DUMMY_END to record that fact. */ | |
956 | ||
957 | if (!have_full_symbols () && !have_partial_symbols ()) | |
8a3fe4f8 | 958 | error (_("No symbol table is loaded. Use the \"file\" command.")); |
0378c332 FN |
959 | |
960 | arg1 = arg; | |
961 | if (*arg1 == ',') | |
962 | dummy_beg = 1; | |
963 | else | |
964 | { | |
f00aae0f KS |
965 | struct event_location *location; |
966 | ||
967 | location = string_to_event_location (&arg1, current_language); | |
968 | make_cleanup_delete_event_location (location); | |
969 | sals = decode_line_1 (location, DECODE_LINE_LIST_MODE, 0, 0); | |
0378c332 | 970 | |
f8eba3c6 | 971 | filter_sals (&sals); |
0378c332 | 972 | if (!sals.nelts) |
f00aae0f KS |
973 | { |
974 | /* C++ */ | |
975 | do_cleanups (cleanup); | |
976 | return; | |
977 | } | |
0378c332 FN |
978 | if (sals.nelts > 1) |
979 | { | |
980 | ambiguous_line_spec (&sals); | |
981 | xfree (sals.sals); | |
f00aae0f | 982 | do_cleanups (cleanup); |
0378c332 FN |
983 | return; |
984 | } | |
985 | ||
986 | sal = sals.sals[0]; | |
987 | xfree (sals.sals); | |
988 | } | |
989 | ||
990 | /* Record whether the BEG arg is all digits. */ | |
991 | ||
992 | for (p = arg; p != arg1 && *p >= '0' && *p <= '9'; p++); | |
993 | linenum_beg = (p == arg1); | |
994 | ||
995 | while (*arg1 == ' ' || *arg1 == '\t') | |
996 | arg1++; | |
997 | if (*arg1 == ',') | |
998 | { | |
999 | no_end = 0; | |
1000 | arg1++; | |
1001 | while (*arg1 == ' ' || *arg1 == '\t') | |
1002 | arg1++; | |
1003 | if (*arg1 == 0) | |
1004 | dummy_end = 1; | |
1005 | else | |
1006 | { | |
f00aae0f KS |
1007 | struct event_location *location; |
1008 | ||
1009 | location = string_to_event_location (&arg1, current_language); | |
1010 | make_cleanup_delete_event_location (location); | |
0378c332 | 1011 | if (dummy_beg) |
f00aae0f KS |
1012 | sals_end = decode_line_1 (location, |
1013 | DECODE_LINE_LIST_MODE, 0, 0); | |
0378c332 | 1014 | else |
f00aae0f | 1015 | sals_end = decode_line_1 (location, DECODE_LINE_LIST_MODE, |
f8eba3c6 | 1016 | sal.symtab, sal.line); |
f00aae0f | 1017 | |
4979d7f0 | 1018 | filter_sals (&sals_end); |
0378c332 | 1019 | if (sals_end.nelts == 0) |
f00aae0f KS |
1020 | { |
1021 | do_cleanups (cleanup); | |
1022 | return; | |
1023 | } | |
0378c332 FN |
1024 | if (sals_end.nelts > 1) |
1025 | { | |
1026 | ambiguous_line_spec (&sals_end); | |
1027 | xfree (sals_end.sals); | |
f00aae0f | 1028 | do_cleanups (cleanup); |
0378c332 FN |
1029 | return; |
1030 | } | |
1031 | sal_end = sals_end.sals[0]; | |
1032 | xfree (sals_end.sals); | |
1033 | } | |
1034 | } | |
1035 | ||
1036 | if (*arg1) | |
8a3fe4f8 | 1037 | error (_("Junk at end of line specification.")); |
0378c332 FN |
1038 | |
1039 | if (!no_end && !dummy_beg && !dummy_end | |
1040 | && sal.symtab != sal_end.symtab) | |
8a3fe4f8 | 1041 | error (_("Specified start and end are in different files.")); |
0378c332 | 1042 | if (dummy_beg && dummy_end) |
8a3fe4f8 | 1043 | error (_("Two empty args do not say what lines to list.")); |
0378c332 | 1044 | |
ebcd3b23 | 1045 | /* If line was specified by address, |
0378c332 | 1046 | first print exactly which line, and which file. |
ebcd3b23 MS |
1047 | |
1048 | In this case, sal.symtab == 0 means address is outside of all | |
1049 | known source files, not that user failed to give a filename. */ | |
0378c332 FN |
1050 | if (*arg == '*') |
1051 | { | |
5af949e3 | 1052 | struct gdbarch *gdbarch; |
cdb27c12 | 1053 | |
0378c332 | 1054 | if (sal.symtab == 0) |
8a3fe4f8 | 1055 | error (_("No source file for address %s."), |
2b69941d | 1056 | paddress (get_current_arch (), sal.pc)); |
5af949e3 | 1057 | |
eb822aa6 | 1058 | gdbarch = get_objfile_arch (SYMTAB_OBJFILE (sal.symtab)); |
0378c332 FN |
1059 | sym = find_pc_function (sal.pc); |
1060 | if (sym) | |
50ee7535 | 1061 | printf_filtered ("%s is in %s (%s:%d).\n", |
5af949e3 UW |
1062 | paddress (gdbarch, sal.pc), |
1063 | SYMBOL_PRINT_NAME (sym), | |
05cba821 | 1064 | symtab_to_filename_for_display (sal.symtab), sal.line); |
0378c332 | 1065 | else |
5af949e3 UW |
1066 | printf_filtered ("%s is at %s:%d.\n", |
1067 | paddress (gdbarch, sal.pc), | |
05cba821 | 1068 | symtab_to_filename_for_display (sal.symtab), sal.line); |
0378c332 FN |
1069 | } |
1070 | ||
ebcd3b23 MS |
1071 | /* If line was not specified by just a line number, and it does not |
1072 | imply a symtab, it must be an undebuggable symbol which means no | |
1073 | source code. */ | |
0378c332 FN |
1074 | |
1075 | if (!linenum_beg && sal.symtab == 0) | |
8a3fe4f8 | 1076 | error (_("No line number known for %s."), arg); |
0378c332 FN |
1077 | |
1078 | /* If this command is repeated with RET, | |
1079 | turn it into the no-arg variant. */ | |
1080 | ||
1081 | if (from_tty) | |
1082 | *arg = 0; | |
1083 | ||
1084 | if (dummy_beg && sal_end.symtab == 0) | |
8a3fe4f8 | 1085 | error (_("No default source file yet. Do \"help list\".")); |
0378c332 FN |
1086 | if (dummy_beg) |
1087 | print_source_lines (sal_end.symtab, | |
1088 | max (sal_end.line - (get_lines_to_list () - 1), 1), | |
1089 | sal_end.line + 1, 0); | |
1090 | else if (sal.symtab == 0) | |
8a3fe4f8 | 1091 | error (_("No default source file yet. Do \"help list\".")); |
0378c332 FN |
1092 | else if (no_end) |
1093 | { | |
1094 | int first_line = sal.line - get_lines_to_list () / 2; | |
1095 | ||
1096 | if (first_line < 1) first_line = 1; | |
1097 | ||
1098 | print_source_lines (sal.symtab, | |
1099 | first_line, | |
1100 | first_line + get_lines_to_list (), | |
1101 | 0); | |
1102 | } | |
1103 | else | |
1104 | print_source_lines (sal.symtab, sal.line, | |
1105 | (dummy_end | |
1106 | ? sal.line + get_lines_to_list () | |
1107 | : sal_end.line + 1), | |
1108 | 0); | |
f00aae0f | 1109 | do_cleanups (cleanup); |
0378c332 FN |
1110 | } |
1111 | ||
d14508fe DE |
1112 | /* Subroutine of disassemble_command to simplify it. |
1113 | Perform the disassembly. | |
1114 | NAME is the name of the function if known, or NULL. | |
1115 | [LOW,HIGH) are the range of addresses to disassemble. | |
1116 | MIXED is non-zero to print source with the assembler. */ | |
1117 | ||
1118 | static void | |
13274fc3 | 1119 | print_disassembly (struct gdbarch *gdbarch, const char *name, |
e6158f16 | 1120 | CORE_ADDR low, CORE_ADDR high, int flags) |
d14508fe DE |
1121 | { |
1122 | #if defined(TUI) | |
1123 | if (!tui_is_window_visible (DISASSEM_WIN)) | |
1124 | #endif | |
1125 | { | |
1126 | printf_filtered ("Dump of assembler code "); | |
1127 | if (name != NULL) | |
1128 | printf_filtered ("for function %s:\n", name); | |
1129 | else | |
5af949e3 UW |
1130 | printf_filtered ("from %s to %s:\n", |
1131 | paddress (gdbarch, low), paddress (gdbarch, high)); | |
d14508fe DE |
1132 | |
1133 | /* Dump the specified range. */ | |
79a45e25 | 1134 | gdb_disassembly (gdbarch, current_uiout, 0, flags, -1, low, high); |
d14508fe DE |
1135 | |
1136 | printf_filtered ("End of assembler dump.\n"); | |
1137 | gdb_flush (gdb_stdout); | |
1138 | } | |
1139 | #if defined(TUI) | |
1140 | else | |
1141 | { | |
13274fc3 | 1142 | tui_show_assembly (gdbarch, low); |
d14508fe DE |
1143 | } |
1144 | #endif | |
1145 | } | |
1146 | ||
1147 | /* Subroutine of disassemble_command to simplify it. | |
9c419145 | 1148 | Print a disassembly of the current function according to FLAGS. */ |
d14508fe DE |
1149 | |
1150 | static void | |
e6158f16 | 1151 | disassemble_current_function (int flags) |
d14508fe | 1152 | { |
13274fc3 UW |
1153 | struct frame_info *frame; |
1154 | struct gdbarch *gdbarch; | |
d14508fe | 1155 | CORE_ADDR low, high, pc; |
2c02bd72 | 1156 | const char *name; |
d14508fe | 1157 | |
13274fc3 UW |
1158 | frame = get_selected_frame (_("No frame selected.")); |
1159 | gdbarch = get_frame_arch (frame); | |
9bf4bce9 | 1160 | pc = get_frame_address_in_block (frame); |
d14508fe DE |
1161 | if (find_pc_partial_function (pc, &name, &low, &high) == 0) |
1162 | error (_("No function contains program counter for selected frame.")); | |
1163 | #if defined(TUI) | |
1164 | /* NOTE: cagney/2003-02-13 The `tui_active' was previously | |
1165 | `tui_version'. */ | |
1166 | if (tui_active) | |
1167 | /* FIXME: cagney/2004-02-07: This should be an observer. */ | |
13274fc3 | 1168 | low = tui_get_low_disassembly_address (gdbarch, low, pc); |
d14508fe | 1169 | #endif |
13274fc3 | 1170 | low += gdbarch_deprecated_function_start_offset (gdbarch); |
d14508fe | 1171 | |
e6158f16 | 1172 | print_disassembly (gdbarch, name, low, high, flags); |
d14508fe DE |
1173 | } |
1174 | ||
1175 | /* Dump a specified section of assembly code. | |
1176 | ||
1177 | Usage: | |
e6158f16 | 1178 | disassemble [/mr] |
d14508fe | 1179 | - dump the assembly code for the function of the current pc |
e6158f16 | 1180 | disassemble [/mr] addr |
d14508fe | 1181 | - dump the assembly code for the function at ADDR |
53a71c06 CR |
1182 | disassemble [/mr] low,high |
1183 | disassemble [/mr] low,+length | |
1184 | - dump the assembly code in the range [LOW,HIGH), or [LOW,LOW+length) | |
d14508fe | 1185 | |
e6158f16 HZ |
1186 | A /m modifier will include source code with the assembly. |
1187 | A /r modifier will include raw instructions in hex with the assembly. */ | |
83c31e7d | 1188 | |
83c31e7d FN |
1189 | static void |
1190 | disassemble_command (char *arg, int from_tty) | |
1191 | { | |
13274fc3 | 1192 | struct gdbarch *gdbarch = get_current_arch (); |
83c31e7d | 1193 | CORE_ADDR low, high; |
2c02bd72 | 1194 | const char *name; |
d36fc00b | 1195 | CORE_ADDR pc; |
e6158f16 | 1196 | int flags; |
bbc13ae3 | 1197 | const char *p; |
83c31e7d | 1198 | |
bbc13ae3 | 1199 | p = arg; |
83c31e7d | 1200 | name = NULL; |
e6158f16 | 1201 | flags = 0; |
d14508fe | 1202 | |
bbc13ae3 | 1203 | if (p && *p == '/') |
83c31e7d | 1204 | { |
bbc13ae3 | 1205 | ++p; |
d14508fe | 1206 | |
bbc13ae3 | 1207 | if (*p == '\0') |
d14508fe DE |
1208 | error (_("Missing modifier.")); |
1209 | ||
bbc13ae3 | 1210 | while (*p && ! isspace (*p)) |
d14508fe | 1211 | { |
bbc13ae3 | 1212 | switch (*p++) |
d14508fe DE |
1213 | { |
1214 | case 'm': | |
e6158f16 HZ |
1215 | flags |= DISASSEMBLY_SOURCE; |
1216 | break; | |
1217 | case 'r': | |
1218 | flags |= DISASSEMBLY_RAW_INSN; | |
d14508fe DE |
1219 | break; |
1220 | default: | |
1221 | error (_("Invalid disassembly modifier.")); | |
1222 | } | |
1223 | } | |
1224 | ||
bbc13ae3 | 1225 | p = skip_spaces_const (p); |
d14508fe DE |
1226 | } |
1227 | ||
bbc13ae3 | 1228 | if (! p || ! *p) |
d14508fe | 1229 | { |
9c419145 | 1230 | flags |= DISASSEMBLY_OMIT_FNAME; |
e6158f16 | 1231 | disassemble_current_function (flags); |
d14508fe | 1232 | return; |
83c31e7d | 1233 | } |
d14508fe | 1234 | |
bbc13ae3 KS |
1235 | pc = value_as_address (parse_to_comma_and_eval (&p)); |
1236 | if (p[0] == ',') | |
1237 | ++p; | |
1238 | if (p[0] == '\0') | |
83c31e7d FN |
1239 | { |
1240 | /* One argument. */ | |
83c31e7d | 1241 | if (find_pc_partial_function (pc, &name, &low, &high) == 0) |
8a3fe4f8 | 1242 | error (_("No function contains specified address.")); |
83c31e7d | 1243 | #if defined(TUI) |
021e7609 AC |
1244 | /* NOTE: cagney/2003-02-13 The `tui_active' was previously |
1245 | `tui_version'. */ | |
22940a24 AC |
1246 | if (tui_active) |
1247 | /* FIXME: cagney/2004-02-07: This should be an observer. */ | |
13274fc3 | 1248 | low = tui_get_low_disassembly_address (gdbarch, low, pc); |
83c31e7d | 1249 | #endif |
13274fc3 | 1250 | low += gdbarch_deprecated_function_start_offset (gdbarch); |
9c419145 | 1251 | flags |= DISASSEMBLY_OMIT_FNAME; |
83c31e7d FN |
1252 | } |
1253 | else | |
1254 | { | |
1255 | /* Two arguments. */ | |
53a71c06 | 1256 | int incl_flag = 0; |
21a0512e | 1257 | low = pc; |
bbc13ae3 KS |
1258 | p = skip_spaces_const (p); |
1259 | if (p[0] == '+') | |
53a71c06 | 1260 | { |
bbc13ae3 | 1261 | ++p; |
53a71c06 CR |
1262 | incl_flag = 1; |
1263 | } | |
bbc13ae3 | 1264 | high = parse_and_eval_address (p); |
53a71c06 CR |
1265 | if (incl_flag) |
1266 | high += low; | |
83c31e7d FN |
1267 | } |
1268 | ||
e6158f16 | 1269 | print_disassembly (gdbarch, name, low, high, flags); |
83c31e7d FN |
1270 | } |
1271 | ||
d318976c FN |
1272 | static void |
1273 | make_command (char *arg, int from_tty) | |
1274 | { | |
1275 | char *p; | |
1276 | ||
1277 | if (arg == 0) | |
1278 | p = "make"; | |
1279 | else | |
1280 | { | |
1281 | p = xmalloc (sizeof ("make ") + strlen (arg)); | |
1282 | strcpy (p, "make "); | |
1283 | strcpy (p + sizeof ("make ") - 1, arg); | |
1284 | } | |
1285 | ||
1286 | shell_escape (p, from_tty); | |
1287 | } | |
1288 | ||
d318976c FN |
1289 | static void |
1290 | show_user (char *args, int from_tty) | |
1291 | { | |
1292 | struct cmd_list_element *c; | |
1293 | extern struct cmd_list_element *cmdlist; | |
1294 | ||
1295 | if (args) | |
1296 | { | |
6f937416 | 1297 | const char *comname = args; |
cdb27c12 | 1298 | |
adb483fe | 1299 | c = lookup_cmd (&comname, cmdlist, "", 0, 1); |
a9f116cb | 1300 | if (!cli_user_command_p (c)) |
8a3fe4f8 | 1301 | error (_("Not a user command.")); |
adb483fe | 1302 | show_user_1 (c, "", args, gdb_stdout); |
d318976c FN |
1303 | } |
1304 | else | |
1305 | { | |
1306 | for (c = cmdlist; c; c = c->next) | |
1307 | { | |
a9f116cb | 1308 | if (cli_user_command_p (c) || c->prefixlist != NULL) |
adb483fe | 1309 | show_user_1 (c, "", c->name, gdb_stdout); |
d318976c FN |
1310 | } |
1311 | } | |
1312 | } | |
1313 | ||
1314 | /* Search through names of commands and documentations for a certain | |
ebcd3b23 MS |
1315 | regular expression. */ |
1316 | ||
c419cfba | 1317 | static void |
d318976c FN |
1318 | apropos_command (char *searchstr, int from_tty) |
1319 | { | |
d318976c | 1320 | regex_t pattern; |
dc92e161 | 1321 | int code; |
cdb27c12 | 1322 | |
d318976c | 1323 | if (searchstr == NULL) |
f55af66d | 1324 | error (_("REGEXP string is empty")); |
d318976c | 1325 | |
dc92e161 TT |
1326 | code = regcomp (&pattern, searchstr, REG_ICASE); |
1327 | if (code == 0) | |
1328 | { | |
1329 | struct cleanup *cleanups; | |
1330 | ||
1331 | cleanups = make_regfree_cleanup (&pattern); | |
1332 | apropos_cmd (gdb_stdout, cmdlist, &pattern, ""); | |
1333 | do_cleanups (cleanups); | |
1334 | } | |
d318976c FN |
1335 | else |
1336 | { | |
dc92e161 TT |
1337 | char *err = get_regcomp_error (code, &pattern); |
1338 | ||
1339 | make_cleanup (xfree, err); | |
1340 | error (_("Error in regular expression: %s"), err); | |
d318976c | 1341 | } |
d318976c | 1342 | } |
5a56e9c5 DE |
1343 | |
1344 | /* Subroutine of alias_command to simplify it. | |
1345 | Return the first N elements of ARGV flattened back to a string | |
1346 | with a space separating each element. | |
1347 | ARGV may not be NULL. | |
1348 | This does not take care of quoting elements in case they contain spaces | |
1349 | on purpose. */ | |
1350 | ||
1351 | static dyn_string_t | |
1352 | argv_to_dyn_string (char **argv, int n) | |
1353 | { | |
1354 | int i; | |
1355 | dyn_string_t result = dyn_string_new (10); | |
1356 | ||
1357 | gdb_assert (argv != NULL); | |
1358 | gdb_assert (n >= 0 && n <= countargv (argv)); | |
1359 | ||
1360 | for (i = 0; i < n; ++i) | |
1361 | { | |
1362 | if (i > 0) | |
1363 | dyn_string_append_char (result, ' '); | |
1364 | dyn_string_append_cstr (result, argv[i]); | |
1365 | } | |
1366 | ||
1367 | return result; | |
1368 | } | |
1369 | ||
1370 | /* Subroutine of alias_command to simplify it. | |
1371 | Return TRUE if COMMAND exists, unambiguously. Otherwise FALSE. */ | |
1372 | ||
1373 | static int | |
6f937416 | 1374 | valid_command_p (const char *command) |
5a56e9c5 DE |
1375 | { |
1376 | struct cmd_list_element *c; | |
1377 | ||
1378 | c = lookup_cmd_1 (& command, cmdlist, NULL, 1); | |
1379 | ||
1380 | if (c == NULL || c == (struct cmd_list_element *) -1) | |
1381 | return FALSE; | |
1382 | ||
1383 | /* This is the slightly tricky part. | |
1384 | lookup_cmd_1 will return a pointer to the last part of COMMAND | |
1385 | to match, leaving COMMAND pointing at the remainder. */ | |
1386 | while (*command == ' ' || *command == '\t') | |
1387 | ++command; | |
1388 | return *command == '\0'; | |
1389 | } | |
1390 | ||
1391 | /* Make an alias of an existing command. */ | |
1392 | ||
1393 | static void | |
1394 | alias_command (char *args, int from_tty) | |
1395 | { | |
1396 | int i, alias_argc, command_argc; | |
1397 | int abbrev_flag = 0; | |
1398 | char *args2, *equals, *alias, *command; | |
1399 | char **alias_argv, **command_argv; | |
1400 | dyn_string_t alias_dyn_string, command_dyn_string; | |
5b3fca71 | 1401 | struct cleanup *cleanup; |
5a56e9c5 DE |
1402 | static const char usage[] = N_("Usage: alias [-a] [--] ALIAS = COMMAND"); |
1403 | ||
1404 | if (args == NULL || strchr (args, '=') == NULL) | |
1405 | error (_(usage)); | |
1406 | ||
1407 | args2 = xstrdup (args); | |
5b3fca71 | 1408 | cleanup = make_cleanup (xfree, args2); |
5a56e9c5 DE |
1409 | equals = strchr (args2, '='); |
1410 | *equals = '\0'; | |
1411 | alias_argv = gdb_buildargv (args2); | |
1412 | make_cleanup_freeargv (alias_argv); | |
1413 | command_argv = gdb_buildargv (equals + 1); | |
1414 | make_cleanup_freeargv (command_argv); | |
1415 | ||
1416 | for (i = 0; alias_argv[i] != NULL; ) | |
1417 | { | |
1418 | if (strcmp (alias_argv[i], "-a") == 0) | |
1419 | { | |
1420 | ++alias_argv; | |
1421 | abbrev_flag = 1; | |
1422 | } | |
1423 | else if (strcmp (alias_argv[i], "--") == 0) | |
1424 | { | |
1425 | ++alias_argv; | |
1426 | break; | |
1427 | } | |
1428 | else | |
1429 | break; | |
1430 | } | |
1431 | ||
1432 | if (alias_argv[0] == NULL || command_argv[0] == NULL | |
1433 | || *alias_argv[0] == '\0' || *command_argv[0] == '\0') | |
1434 | error (_(usage)); | |
1435 | ||
1436 | for (i = 0; alias_argv[i] != NULL; ++i) | |
1437 | { | |
1438 | if (! valid_user_defined_cmd_name_p (alias_argv[i])) | |
1439 | { | |
1440 | if (i == 0) | |
1441 | error (_("Invalid command name: %s"), alias_argv[i]); | |
1442 | else | |
1443 | error (_("Invalid command element name: %s"), alias_argv[i]); | |
1444 | } | |
1445 | } | |
1446 | ||
1447 | alias_argc = countargv (alias_argv); | |
1448 | command_argc = countargv (command_argv); | |
1449 | ||
1450 | /* COMMAND must exist. | |
1451 | Reconstruct the command to remove any extraneous spaces, | |
1452 | for better error messages. */ | |
1453 | command_dyn_string = argv_to_dyn_string (command_argv, command_argc); | |
1454 | make_cleanup_dyn_string_delete (command_dyn_string); | |
1455 | command = dyn_string_buf (command_dyn_string); | |
1456 | if (! valid_command_p (command)) | |
1457 | error (_("Invalid command to alias to: %s"), command); | |
1458 | ||
1459 | /* ALIAS must not exist. */ | |
1460 | alias_dyn_string = argv_to_dyn_string (alias_argv, alias_argc); | |
1461 | make_cleanup_dyn_string_delete (alias_dyn_string); | |
1462 | alias = dyn_string_buf (alias_dyn_string); | |
1463 | if (valid_command_p (alias)) | |
1464 | error (_("Alias already exists: %s"), alias); | |
1465 | ||
1466 | /* If ALIAS is one word, it is an alias for the entire COMMAND. | |
1467 | Example: alias spe = set print elements | |
1468 | ||
1469 | Otherwise ALIAS and COMMAND must have the same number of words, | |
1470 | and every word except the last must match; and the last word of | |
1471 | ALIAS is made an alias of the last word of COMMAND. | |
1472 | Example: alias set print elms = set pr elem | |
1473 | Note that unambiguous abbreviations are allowed. */ | |
1474 | ||
1475 | if (alias_argc == 1) | |
1476 | { | |
1477 | /* add_cmd requires *we* allocate space for name, hence the xstrdup. */ | |
1478 | add_com_alias (xstrdup (alias_argv[0]), command, class_alias, | |
1479 | abbrev_flag); | |
1480 | } | |
1481 | else | |
1482 | { | |
5a56e9c5 | 1483 | dyn_string_t alias_prefix_dyn_string, command_prefix_dyn_string; |
6f937416 | 1484 | const char *alias_prefix, *command_prefix; |
5a56e9c5 DE |
1485 | struct cmd_list_element *c_alias, *c_command; |
1486 | ||
1487 | if (alias_argc != command_argc) | |
1488 | error (_("Mismatched command length between ALIAS and COMMAND.")); | |
1489 | ||
1490 | /* Create copies of ALIAS and COMMAND without the last word, | |
1491 | and use that to verify the leading elements match. */ | |
1492 | alias_prefix_dyn_string = | |
1493 | argv_to_dyn_string (alias_argv, alias_argc - 1); | |
1494 | make_cleanup_dyn_string_delete (alias_prefix_dyn_string); | |
1495 | command_prefix_dyn_string = | |
1496 | argv_to_dyn_string (alias_argv, command_argc - 1); | |
1497 | make_cleanup_dyn_string_delete (command_prefix_dyn_string); | |
1498 | alias_prefix = dyn_string_buf (alias_prefix_dyn_string); | |
1499 | command_prefix = dyn_string_buf (command_prefix_dyn_string); | |
1500 | ||
1501 | c_command = lookup_cmd_1 (& command_prefix, cmdlist, NULL, 1); | |
1502 | /* We've already tried to look up COMMAND. */ | |
1503 | gdb_assert (c_command != NULL | |
1504 | && c_command != (struct cmd_list_element *) -1); | |
1505 | gdb_assert (c_command->prefixlist != NULL); | |
1506 | c_alias = lookup_cmd_1 (& alias_prefix, cmdlist, NULL, 1); | |
1507 | if (c_alias != c_command) | |
1508 | error (_("ALIAS and COMMAND prefixes do not match.")); | |
1509 | ||
1510 | /* add_cmd requires *we* allocate space for name, hence the xstrdup. */ | |
1511 | add_alias_cmd (xstrdup (alias_argv[alias_argc - 1]), | |
1512 | command_argv[command_argc - 1], | |
1513 | class_alias, abbrev_flag, c_command->prefixlist); | |
1514 | } | |
5b3fca71 TT |
1515 | |
1516 | do_cleanups (cleanup); | |
5a56e9c5 | 1517 | } |
d318976c | 1518 | \f |
0378c332 | 1519 | /* Print a list of files and line numbers which a user may choose from |
ebcd3b23 MS |
1520 | in order to list a function which was specified ambiguously (as |
1521 | with `list classname::overloadedfuncname', for example). The | |
1522 | vector in SALS provides the filenames and line numbers. */ | |
0378c332 FN |
1523 | |
1524 | static void | |
1525 | ambiguous_line_spec (struct symtabs_and_lines *sals) | |
1526 | { | |
1527 | int i; | |
1528 | ||
1529 | for (i = 0; i < sals->nelts; ++i) | |
a3f17187 | 1530 | printf_filtered (_("file: \"%s\", line number: %d\n"), |
05cba821 JK |
1531 | symtab_to_filename_for_display (sals->sals[i].symtab), |
1532 | sals->sals[i].line); | |
0378c332 FN |
1533 | } |
1534 | ||
f8eba3c6 TT |
1535 | /* Sort function for filter_sals. */ |
1536 | ||
1537 | static int | |
1538 | compare_symtabs (const void *a, const void *b) | |
1539 | { | |
1540 | const struct symtab_and_line *sala = a; | |
1541 | const struct symtab_and_line *salb = b; | |
ee6f8984 DE |
1542 | const char *dira = SYMTAB_DIRNAME (sala->symtab); |
1543 | const char *dirb = SYMTAB_DIRNAME (salb->symtab); | |
f8eba3c6 TT |
1544 | int r; |
1545 | ||
ee6f8984 | 1546 | if (dira == NULL) |
f8eba3c6 | 1547 | { |
ee6f8984 | 1548 | if (dirb != NULL) |
f8eba3c6 TT |
1549 | return -1; |
1550 | } | |
ee6f8984 | 1551 | else if (dirb == NULL) |
f8eba3c6 | 1552 | { |
ee6f8984 | 1553 | if (dira != NULL) |
f8eba3c6 TT |
1554 | return 1; |
1555 | } | |
1556 | else | |
1557 | { | |
ee6f8984 | 1558 | r = filename_cmp (dira, dirb); |
f8eba3c6 TT |
1559 | if (r) |
1560 | return r; | |
1561 | } | |
1562 | ||
1563 | r = filename_cmp (sala->symtab->filename, salb->symtab->filename); | |
1564 | if (r) | |
1565 | return r; | |
1566 | ||
1567 | if (sala->line < salb->line) | |
1568 | return -1; | |
1569 | return sala->line == salb->line ? 0 : 1; | |
1570 | } | |
1571 | ||
1572 | /* Remove any SALs that do not match the current program space, or | |
1573 | which appear to be "file:line" duplicates. */ | |
1574 | ||
1575 | static void | |
1576 | filter_sals (struct symtabs_and_lines *sals) | |
1577 | { | |
1578 | int i, out, prev; | |
1579 | ||
1580 | out = 0; | |
1581 | for (i = 0; i < sals->nelts; ++i) | |
1582 | { | |
1583 | if (sals->sals[i].pspace == current_program_space | |
ccbac09d | 1584 | && sals->sals[i].symtab != NULL) |
f8eba3c6 TT |
1585 | { |
1586 | sals->sals[out] = sals->sals[i]; | |
1587 | ++out; | |
1588 | } | |
1589 | } | |
1590 | sals->nelts = out; | |
1591 | ||
1592 | qsort (sals->sals, sals->nelts, sizeof (struct symtab_and_line), | |
1593 | compare_symtabs); | |
1594 | ||
1595 | out = 1; | |
1596 | prev = 0; | |
1597 | for (i = 1; i < sals->nelts; ++i) | |
1598 | { | |
1599 | if (compare_symtabs (&sals->sals[prev], &sals->sals[i])) | |
1600 | { | |
1601 | /* Symtabs differ. */ | |
1602 | sals->sals[out] = sals->sals[i]; | |
1603 | prev = out; | |
1604 | ++out; | |
1605 | } | |
1606 | } | |
f8eba3c6 TT |
1607 | |
1608 | if (sals->nelts == 0) | |
1609 | { | |
1610 | xfree (sals->sals); | |
1611 | sals->sals = NULL; | |
1612 | } | |
2f2e97fa TT |
1613 | else |
1614 | sals->nelts = out; | |
f8eba3c6 TT |
1615 | } |
1616 | ||
d318976c FN |
1617 | static void |
1618 | set_debug (char *arg, int from_tty) | |
1619 | { | |
9a2b4c1b MS |
1620 | printf_unfiltered (_("\"set debug\" must be followed by " |
1621 | "the name of a debug subcommand.\n")); | |
635c7e8a | 1622 | help_list (setdebuglist, "set debug ", all_commands, gdb_stdout); |
d318976c FN |
1623 | } |
1624 | ||
1625 | static void | |
1626 | show_debug (char *args, int from_tty) | |
1627 | { | |
1628 | cmd_show_list (showdebuglist, from_tty, ""); | |
1629 | } | |
1630 | ||
1631 | void | |
1632 | init_cmd_lists (void) | |
1633 | { | |
20f01a46 | 1634 | max_user_call_depth = 1024; |
d318976c FN |
1635 | } |
1636 | ||
920d2a44 AC |
1637 | static void |
1638 | show_info_verbose (struct ui_file *file, int from_tty, | |
1639 | struct cmd_list_element *c, | |
1640 | const char *value) | |
1641 | { | |
1642 | if (info_verbose) | |
9a2b4c1b MS |
1643 | fprintf_filtered (file, |
1644 | _("Verbose printing of informational messages is %s.\n"), | |
1645 | value); | |
920d2a44 AC |
1646 | else |
1647 | fprintf_filtered (file, _("Verbosity is %s.\n"), value); | |
1648 | } | |
1649 | ||
1650 | static void | |
1651 | show_history_expansion_p (struct ui_file *file, int from_tty, | |
1652 | struct cmd_list_element *c, const char *value) | |
1653 | { | |
1654 | fprintf_filtered (file, _("History expansion on command input is %s.\n"), | |
1655 | value); | |
1656 | } | |
1657 | ||
920d2a44 AC |
1658 | static void |
1659 | show_remote_debug (struct ui_file *file, int from_tty, | |
1660 | struct cmd_list_element *c, const char *value) | |
1661 | { | |
1662 | fprintf_filtered (file, _("Debugging of remote protocol is %s.\n"), | |
1663 | value); | |
1664 | } | |
1665 | ||
1666 | static void | |
1667 | show_remote_timeout (struct ui_file *file, int from_tty, | |
1668 | struct cmd_list_element *c, const char *value) | |
1669 | { | |
9a2b4c1b MS |
1670 | fprintf_filtered (file, |
1671 | _("Timeout limit to wait for target to respond is %s.\n"), | |
920d2a44 AC |
1672 | value); |
1673 | } | |
1674 | ||
1675 | static void | |
1676 | show_max_user_call_depth (struct ui_file *file, int from_tty, | |
1677 | struct cmd_list_element *c, const char *value) | |
1678 | { | |
9a2b4c1b MS |
1679 | fprintf_filtered (file, |
1680 | _("The max call depth for user-defined commands is %s.\n"), | |
920d2a44 AC |
1681 | value); |
1682 | } | |
1683 | ||
d318976c | 1684 | \f |
43e4916f TT |
1685 | |
1686 | initialize_file_ftype _initialize_cli_cmds; | |
1687 | ||
d318976c | 1688 | void |
43e4916f | 1689 | _initialize_cli_cmds (void) |
d318976c FN |
1690 | { |
1691 | struct cmd_list_element *c; | |
1692 | ||
1693 | /* Define the classes of commands. | |
1bfeeb0f | 1694 | They will appear in the help list in alphabetical order. */ |
d318976c | 1695 | |
1a966eab AC |
1696 | add_cmd ("internals", class_maintenance, NULL, _("\ |
1697 | Maintenance commands.\n\ | |
d318976c FN |
1698 | Some gdb commands are provided just for use by gdb maintainers.\n\ |
1699 | These commands are subject to frequent change, and may not be as\n\ | |
1a966eab | 1700 | well documented as user commands."), |
d318976c | 1701 | &cmdlist); |
1a966eab | 1702 | add_cmd ("obscure", class_obscure, NULL, _("Obscure features."), &cmdlist); |
9a2b4c1b MS |
1703 | add_cmd ("aliases", class_alias, NULL, |
1704 | _("Aliases of other commands."), &cmdlist); | |
1a966eab AC |
1705 | add_cmd ("user-defined", class_user, NULL, _("\ |
1706 | User-defined commands.\n\ | |
d318976c | 1707 | The commands in this class are those defined by the user.\n\ |
1a966eab AC |
1708 | Use the \"define\" command to define a command."), &cmdlist); |
1709 | add_cmd ("support", class_support, NULL, _("Support facilities."), &cmdlist); | |
d318976c | 1710 | if (!dbx_commands) |
1a966eab AC |
1711 | add_cmd ("status", class_info, NULL, _("Status inquiries."), &cmdlist); |
1712 | add_cmd ("files", class_files, NULL, _("Specifying and examining files."), | |
1713 | &cmdlist); | |
1714 | add_cmd ("breakpoints", class_breakpoint, NULL, | |
1715 | _("Making program stop at certain points."), &cmdlist); | |
1716 | add_cmd ("data", class_vars, NULL, _("Examining data."), &cmdlist); | |
1717 | add_cmd ("stack", class_stack, NULL, _("\ | |
1718 | Examining the stack.\n\ | |
d318976c FN |
1719 | The stack is made up of stack frames. Gdb assigns numbers to stack frames\n\ |
1720 | counting from zero for the innermost (currently executing) frame.\n\n\ | |
1721 | At any time gdb identifies one frame as the \"selected\" frame.\n\ | |
1722 | Variable lookups are done with respect to the selected frame.\n\ | |
1723 | When the program being debugged stops, gdb selects the innermost frame.\n\ | |
1a966eab | 1724 | The commands below can be used to select other frames by number or address."), |
d318976c | 1725 | &cmdlist); |
1a966eab | 1726 | add_cmd ("running", class_run, NULL, _("Running the program."), &cmdlist); |
d318976c | 1727 | |
ebcd3b23 | 1728 | /* Define general commands. */ |
d318976c | 1729 | |
d729566a | 1730 | add_com ("pwd", class_files, pwd_command, _("\ |
1bedd215 | 1731 | Print working directory. This is used for your program as well.")); |
4f8d22e3 | 1732 | |
1a966eab AC |
1733 | c = add_cmd ("cd", class_files, cd_command, _("\ |
1734 | Set working directory to DIR for debugger and program being debugged.\n\ | |
d318976c | 1735 | The change does not take effect for the program being debugged\n\ |
1a966eab | 1736 | until the next time it is started."), &cmdlist); |
5ba2abeb | 1737 | set_cmd_completer (c, filename_completer); |
d318976c | 1738 | |
1bedd215 AC |
1739 | add_com ("echo", class_support, echo_command, _("\ |
1740 | Print a constant string. Give string as argument.\n\ | |
d318976c FN |
1741 | C escape sequences may be used in the argument.\n\ |
1742 | No newline is added at the end of the argument;\n\ | |
1743 | use \"\\n\" if you want a newline to be printed.\n\ | |
1744 | Since leading and trailing whitespace are ignored in command arguments,\n\ | |
1745 | if you want to print some you must use \"\\\" before leading whitespace\n\ | |
1bedd215 | 1746 | to be printed or after trailing whitespace.")); |
d318976c | 1747 | |
973817a3 JB |
1748 | add_setshow_enum_cmd ("script-extension", class_support, |
1749 | script_ext_enums, &script_ext_mode, _("\ | |
1750 | Set mode for script filename extension recognition."), _("\ | |
1751 | Show mode for script filename extension recognition."), _("\ | |
1752 | off == no filename extension recognition (all sourced files are GDB scripts)\n\ | |
1753 | soft == evaluate script according to filename extension, fallback to GDB script" | |
1754 | "\n\ | |
1755 | strict == evaluate script according to filename extension, error if not supported" | |
1756 | ), | |
1757 | NULL, | |
1758 | show_script_ext_mode, | |
1759 | &setlist, &showlist); | |
1760 | ||
bdb52a22 TT |
1761 | add_com ("quit", class_support, quit_command, _("\ |
1762 | Exit gdb.\n\ | |
1763 | Usage: quit [EXPR]\n\ | |
1764 | The optional expression EXPR, if present, is evaluated and the result\n\ | |
1765 | used as GDB's exit code. The default is zero.")); | |
1bedd215 AC |
1766 | c = add_com ("help", class_support, help_command, |
1767 | _("Print list of commands.")); | |
5ba2abeb | 1768 | set_cmd_completer (c, command_completer); |
d318976c FN |
1769 | add_com_alias ("q", "quit", class_support, 1); |
1770 | add_com_alias ("h", "help", class_support, 1); | |
1771 | ||
5bf193a2 AC |
1772 | add_setshow_boolean_cmd ("verbose", class_support, &info_verbose, _("\ |
1773 | Set verbosity."), _("\ | |
1774 | Show verbosity."), NULL, | |
1775 | set_verbose, | |
920d2a44 | 1776 | show_info_verbose, |
5bf193a2 | 1777 | &setlist, &showlist); |
d318976c FN |
1778 | |
1779 | add_prefix_cmd ("history", class_support, set_history, | |
1bedd215 | 1780 | _("Generic command for setting command history parameters."), |
d318976c FN |
1781 | &sethistlist, "set history ", 0, &setlist); |
1782 | add_prefix_cmd ("history", class_support, show_history, | |
1bedd215 | 1783 | _("Generic command for showing command history parameters."), |
d318976c FN |
1784 | &showhistlist, "show history ", 0, &showlist); |
1785 | ||
5bf193a2 AC |
1786 | add_setshow_boolean_cmd ("expansion", no_class, &history_expansion_p, _("\ |
1787 | Set history expansion on command input."), _("\ | |
1788 | Show history expansion on command input."), _("\ | |
1789 | Without an argument, history expansion is enabled."), | |
1790 | NULL, | |
920d2a44 | 1791 | show_history_expansion_p, |
5bf193a2 | 1792 | &sethistlist, &showhistlist); |
d318976c | 1793 | |
d729566a | 1794 | add_prefix_cmd ("info", class_info, info_command, _("\ |
1bedd215 | 1795 | Generic command for showing things about the program being debugged."), |
d729566a | 1796 | &infolist, "info ", 0, &cmdlist); |
d318976c | 1797 | add_com_alias ("i", "info", class_info, 1); |
a177aad3 | 1798 | add_com_alias ("inf", "info", class_info, 1); |
d318976c FN |
1799 | |
1800 | add_com ("complete", class_obscure, complete_command, | |
1bedd215 | 1801 | _("List the completions for the rest of the line as a command.")); |
d318976c | 1802 | |
d729566a | 1803 | add_prefix_cmd ("show", class_info, show_command, _("\ |
700b53b1 | 1804 | Generic command for showing things about the debugger."), |
d729566a | 1805 | &showlist, "show ", 0, &cmdlist); |
d318976c | 1806 | /* Another way to get at the same thing. */ |
1bedd215 | 1807 | add_info ("set", show_command, _("Show all GDB settings.")); |
d318976c | 1808 | |
db5f229b | 1809 | add_cmd ("commands", no_set_class, show_commands, _("\ |
1a966eab | 1810 | Show the history of commands you typed.\n\ |
d318976c | 1811 | You can supply a command number to start with, or a `+' to start after\n\ |
1a966eab | 1812 | the previous command number shown."), |
d318976c FN |
1813 | &showlist); |
1814 | ||
db5f229b | 1815 | add_cmd ("version", no_set_class, show_version, |
1a966eab | 1816 | _("Show what version of GDB this is."), &showlist); |
d318976c | 1817 | |
6eaaf48b EZ |
1818 | add_cmd ("configuration", no_set_class, show_configuration, |
1819 | _("Show how GDB was configured at build time."), &showlist); | |
1820 | ||
85c07804 AC |
1821 | add_setshow_zinteger_cmd ("remote", no_class, &remote_debug, _("\ |
1822 | Set debugging of remote protocol."), _("\ | |
1823 | Show debugging of remote protocol."), _("\ | |
d318976c | 1824 | When enabled, each packet sent or received with the remote target\n\ |
85c07804 AC |
1825 | is displayed."), |
1826 | NULL, | |
920d2a44 | 1827 | show_remote_debug, |
85c07804 | 1828 | &setdebuglist, &showdebuglist); |
d318976c | 1829 | |
6fc1c773 YQ |
1830 | add_setshow_zuinteger_unlimited_cmd ("remotetimeout", no_class, |
1831 | &remote_timeout, _("\ | |
c0d88b1b AC |
1832 | Set timeout limit to wait for target to respond."), _("\ |
1833 | Show timeout limit to wait for target to respond."), _("\ | |
d318976c | 1834 | This value is used to set the time limit for gdb to wait for a response\n\ |
c0d88b1b | 1835 | from the target."), |
6fc1c773 YQ |
1836 | NULL, |
1837 | show_remote_timeout, | |
1838 | &setlist, &showlist); | |
d318976c FN |
1839 | |
1840 | add_prefix_cmd ("debug", no_class, set_debug, | |
1bedd215 | 1841 | _("Generic command for setting gdb debugging flags"), |
d318976c FN |
1842 | &setdebuglist, "set debug ", 0, &setlist); |
1843 | ||
1844 | add_prefix_cmd ("debug", no_class, show_debug, | |
1bedd215 | 1845 | _("Generic command for showing gdb debugging flags"), |
d318976c FN |
1846 | &showdebuglist, "show debug ", 0, &showlist); |
1847 | ||
1bedd215 AC |
1848 | c = add_com ("shell", class_support, shell_escape, _("\ |
1849 | Execute the rest of the line as a shell command.\n\ | |
1850 | With no arguments, run an inferior shell.")); | |
5ba2abeb | 1851 | set_cmd_completer (c, filename_completer); |
d318976c | 1852 | |
1bedd215 AC |
1853 | c = add_com ("edit", class_files, edit_command, _("\ |
1854 | Edit specified file or function.\n\ | |
0378c332 | 1855 | With no argument, edits file containing most recent line listed.\n\ |
0378c332 FN |
1856 | Editing targets can be specified in these ways:\n\ |
1857 | FILE:LINENUM, to edit at that line in that file,\n\ | |
1858 | FUNCTION, to edit at the beginning of that function,\n\ | |
1859 | FILE:FUNCTION, to distinguish among like-named static functions.\n\ | |
1860 | *ADDRESS, to edit at the line containing that address.\n\ | |
1bedd215 | 1861 | Uses EDITOR environment variable contents as editor (or ex as default).")); |
0378c332 FN |
1862 | |
1863 | c->completer = location_completer; | |
1864 | ||
1bedd215 AC |
1865 | add_com ("list", class_files, list_command, _("\ |
1866 | List specified function or line.\n\ | |
0378c332 FN |
1867 | With no argument, lists ten more lines after or around previous listing.\n\ |
1868 | \"list -\" lists the ten lines before a previous ten-line listing.\n\ | |
1869 | One argument specifies a line, and ten lines are listed around that line.\n\ | |
1870 | Two arguments with comma between specify starting and ending lines to list.\n\ | |
0378c332 FN |
1871 | Lines can be specified in these ways:\n\ |
1872 | LINENUM, to list around that line in current file,\n\ | |
1873 | FILE:LINENUM, to list around that line in that file,\n\ | |
1874 | FUNCTION, to list around beginning of that function,\n\ | |
1875 | FILE:FUNCTION, to distinguish among like-named static functions.\n\ | |
1876 | *ADDRESS, to list around the line containing that address.\n\ | |
9a2b4c1b MS |
1877 | With two args if one is empty it stands for ten lines away from \ |
1878 | the other arg.")); | |
0378c332 | 1879 | |
4f45d445 | 1880 | add_com_alias ("l", "list", class_files, 1); |
0378c332 FN |
1881 | |
1882 | if (dbx_commands) | |
1883 | add_com_alias ("file", "list", class_files, 1); | |
1884 | ||
1bedd215 AC |
1885 | c = add_com ("disassemble", class_vars, disassemble_command, _("\ |
1886 | Disassemble a specified section of memory.\n\ | |
83c31e7d | 1887 | Default is the function surrounding the pc of the selected frame.\n\ |
d14508fe | 1888 | With a /m modifier, source lines are included (if available).\n\ |
e6158f16 | 1889 | With a /r modifier, raw instructions in hex are included.\n\ |
83c31e7d | 1890 | With a single argument, the function surrounding that address is dumped.\n\ |
53a71c06 | 1891 | Two arguments (separated by a comma) are taken as a range of memory to dump,\n\ |
7e1e0340 DE |
1892 | in the form of \"start,end\", or \"start,+length\".\n\ |
1893 | \n\ | |
1894 | Note that the address is interpreted as an expression, not as a location\n\ | |
1895 | like in the \"break\" command.\n\ | |
1896 | So, for example, if you want to disassemble function bar in file foo.c\n\ | |
1897 | you must type \"disassemble 'foo.c'::bar\" and not \"disassemble foo.c:bar\".")); | |
83c31e7d | 1898 | set_cmd_completer (c, location_completer); |
0378c332 | 1899 | |
ed59ded5 | 1900 | add_com_alias ("!", "shell", class_support, 0); |
d318976c | 1901 | |
1bedd215 AC |
1902 | c = add_com ("make", class_support, make_command, _("\ |
1903 | Run the ``make'' program using the rest of the line as arguments.")); | |
5ba2abeb | 1904 | set_cmd_completer (c, filename_completer); |
1a966eab | 1905 | add_cmd ("user", no_class, show_user, _("\ |
ed3ef339 | 1906 | Show definitions of non-python/scheme user defined commands.\n\ |
d318976c | 1907 | Argument is the name of the user defined command.\n\ |
1a966eab | 1908 | With no argument, show definitions of all user defined commands."), &showlist); |
1bedd215 AC |
1909 | add_com ("apropos", class_support, apropos_command, |
1910 | _("Search for commands matching a REGEXP")); | |
20f01a46 | 1911 | |
883b9c6c | 1912 | add_setshow_uinteger_cmd ("max-user-call-depth", no_class, |
c0d88b1b | 1913 | &max_user_call_depth, _("\ |
ed3ef339 DE |
1914 | Set the max call depth for non-python/scheme user-defined commands."), _("\ |
1915 | Show the max call depth for non-python/scheme user-defined commands."), NULL, | |
883b9c6c YQ |
1916 | NULL, |
1917 | show_max_user_call_depth, | |
1918 | &setlist, &showlist); | |
16026cd7 AS |
1919 | |
1920 | add_setshow_boolean_cmd ("trace-commands", no_class, &trace_commands, _("\ | |
1921 | Set tracing of GDB CLI commands."), _("\ | |
1922 | Show state of GDB CLI command tracing."), _("\ | |
1923 | When 'on', each command is displayed as it is executed."), | |
1924 | NULL, | |
1925 | NULL, | |
1926 | &setlist, &showlist); | |
5a56e9c5 DE |
1927 | |
1928 | c = add_com ("alias", class_support, alias_command, _("\ | |
1929 | Define a new command that is an alias of an existing command.\n\ | |
1930 | Usage: alias [-a] [--] ALIAS = COMMAND\n\ | |
1931 | ALIAS is the name of the alias command to create.\n\ | |
1932 | COMMAND is the command being aliased to.\n\ | |
1933 | If \"-a\" is specified, the command is an abbreviation,\n\ | |
1934 | and will not appear in help command list output.\n\ | |
1935 | \n\ | |
1936 | Examples:\n\ | |
1937 | Make \"spe\" an alias of \"set print elements\":\n\ | |
1938 | alias spe = set print elements\n\ | |
1939 | Make \"elms\" an alias of \"elements\" in the \"set print\" command:\n\ | |
1940 | alias -a set print elms = set print elements")); | |
d318976c | 1941 | } |
43e4916f TT |
1942 | |
1943 | void | |
1944 | init_cli_cmds (void) | |
1945 | { | |
1946 | struct cmd_list_element *c; | |
1947 | char *source_help_text; | |
1948 | ||
1949 | source_help_text = xstrprintf (_("\ | |
1950 | Read commands from a file named FILE.\n\ | |
1951 | \n\ | |
1952 | Usage: source [-s] [-v] FILE\n\ | |
1953 | -s: search for the script in the source search path,\n\ | |
1954 | even if FILE contains directories.\n\ | |
1955 | -v: each command in FILE is echoed as it is executed.\n\ | |
1956 | \n\ | |
1957 | Note that the file \"%s\" is read automatically in this way\n\ | |
1958 | when GDB is started."), gdbinit); | |
1959 | c = add_cmd ("source", class_support, source_command, | |
1960 | source_help_text, &cmdlist); | |
1961 | set_cmd_completer (c, filename_completer); | |
1962 | } |