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" | |
973817a3 | 21 | #include "exceptions.h" |
13274fc3 | 22 | #include "arch-utils.h" |
5a56e9c5 | 23 | #include "dyn-string.h" |
dbda9972 AC |
24 | #include "readline/readline.h" |
25 | #include "readline/tilde.h" | |
d318976c | 26 | #include "completer.h" |
ebcd3b23 MS |
27 | #include "target.h" /* For baud_rate, remote_debug and remote_timeout. */ |
28 | #include "gdb_wait.h" /* For shell escape implementation. */ | |
29 | #include "gdb_regex.h" /* Used by apropos_command. */ | |
0e9f083f | 30 | #include <string.h> |
325ed089 | 31 | #include "gdb_vfork.h" |
0378c332 FN |
32 | #include "linespec.h" |
33 | #include "expression.h" | |
83c31e7d FN |
34 | #include "frame.h" |
35 | #include "value.h" | |
0378c332 | 36 | #include "language.h" |
ebcd3b23 | 37 | #include "filenames.h" /* For DOSish file names. */ |
0378c332 FN |
38 | #include "objfiles.h" |
39 | #include "source.h" | |
83c31e7d | 40 | #include "disasm.h" |
33da3f1c | 41 | #include "tracepoint.h" |
614c279d | 42 | #include "filestuff.h" |
d318976c | 43 | |
d318976c | 44 | #include "ui-out.h" |
d318976c FN |
45 | |
46 | #include "top.h" | |
47 | #include "cli/cli-decode.h" | |
48 | #include "cli/cli-script.h" | |
49 | #include "cli/cli-setshow.h" | |
50 | #include "cli/cli-cmds.h" | |
529480d0 | 51 | #include "cli/cli-utils.h" |
d318976c | 52 | |
973817a3 JB |
53 | #include "python/python.h" |
54 | ||
6a83354a | 55 | #ifdef TUI |
ebcd3b23 | 56 | #include "tui/tui.h" /* For tui_active et.al. */ |
6a83354a AC |
57 | #endif |
58 | ||
4b505b12 AS |
59 | #include <fcntl.h> |
60 | ||
0378c332 | 61 | /* Prototypes for local command functions */ |
d318976c FN |
62 | |
63 | static void complete_command (char *, int); | |
64 | ||
65 | static void echo_command (char *, int); | |
66 | ||
67 | static void pwd_command (char *, int); | |
68 | ||
69 | static void show_version (char *, int); | |
70 | ||
d318976c FN |
71 | static void help_command (char *, int); |
72 | ||
73 | static void show_command (char *, int); | |
74 | ||
75 | static void info_command (char *, int); | |
76 | ||
77 | static void show_debug (char *, int); | |
78 | ||
79 | static void set_debug (char *, int); | |
80 | ||
81 | static void show_user (char *, int); | |
82 | ||
83 | static void make_command (char *, int); | |
84 | ||
85 | static void shell_escape (char *, int); | |
86 | ||
0378c332 FN |
87 | static void edit_command (char *, int); |
88 | ||
89 | static void list_command (char *, int); | |
90 | ||
0378c332 FN |
91 | /* Prototypes for local utility functions */ |
92 | ||
93 | static void ambiguous_line_spec (struct symtabs_and_lines *); | |
f8eba3c6 TT |
94 | |
95 | static void filter_sals (struct symtabs_and_lines *); | |
96 | ||
d318976c | 97 | \f |
20f01a46 | 98 | /* Limit the call depth of user-defined commands */ |
883b9c6c | 99 | unsigned int max_user_call_depth; |
20f01a46 | 100 | |
d318976c FN |
101 | /* Define all cmd_list_elements. */ |
102 | ||
103 | /* Chain containing all defined commands. */ | |
104 | ||
105 | struct cmd_list_element *cmdlist; | |
106 | ||
107 | /* Chain containing all defined info subcommands. */ | |
108 | ||
109 | struct cmd_list_element *infolist; | |
110 | ||
ebcd3b23 | 111 | /* Chain containing all defined enable subcommands. */ |
d318976c FN |
112 | |
113 | struct cmd_list_element *enablelist; | |
114 | ||
ebcd3b23 | 115 | /* Chain containing all defined disable subcommands. */ |
d318976c FN |
116 | |
117 | struct cmd_list_element *disablelist; | |
118 | ||
ebcd3b23 | 119 | /* Chain containing all defined stop subcommands. */ |
d318976c FN |
120 | |
121 | struct cmd_list_element *stoplist; | |
122 | ||
ebcd3b23 | 123 | /* Chain containing all defined delete subcommands. */ |
d318976c FN |
124 | |
125 | struct cmd_list_element *deletelist; | |
126 | ||
ebcd3b23 | 127 | /* Chain containing all defined detach subcommands. */ |
f73adfeb AS |
128 | |
129 | struct cmd_list_element *detachlist; | |
130 | ||
ebcd3b23 | 131 | /* Chain containing all defined kill subcommands. */ |
2277426b PA |
132 | |
133 | struct cmd_list_element *killlist; | |
134 | ||
d318976c FN |
135 | /* Chain containing all defined set subcommands */ |
136 | ||
137 | struct cmd_list_element *setlist; | |
138 | ||
139 | /* Chain containing all defined unset subcommands */ | |
140 | ||
141 | struct cmd_list_element *unsetlist; | |
142 | ||
143 | /* Chain containing all defined show subcommands. */ | |
144 | ||
145 | struct cmd_list_element *showlist; | |
146 | ||
147 | /* Chain containing all defined \"set history\". */ | |
148 | ||
149 | struct cmd_list_element *sethistlist; | |
150 | ||
151 | /* Chain containing all defined \"show history\". */ | |
152 | ||
153 | struct cmd_list_element *showhistlist; | |
154 | ||
155 | /* Chain containing all defined \"unset history\". */ | |
156 | ||
157 | struct cmd_list_element *unsethistlist; | |
158 | ||
ebcd3b23 | 159 | /* Chain containing all defined maintenance subcommands. */ |
d318976c FN |
160 | |
161 | struct cmd_list_element *maintenancelist; | |
162 | ||
ebcd3b23 | 163 | /* Chain containing all defined "maintenance info" subcommands. */ |
d318976c FN |
164 | |
165 | struct cmd_list_element *maintenanceinfolist; | |
166 | ||
ebcd3b23 | 167 | /* Chain containing all defined "maintenance print" subcommands. */ |
d318976c FN |
168 | |
169 | struct cmd_list_element *maintenanceprintlist; | |
170 | ||
171 | struct cmd_list_element *setprintlist; | |
172 | ||
173 | struct cmd_list_element *showprintlist; | |
174 | ||
175 | struct cmd_list_element *setdebuglist; | |
176 | ||
177 | struct cmd_list_element *showdebuglist; | |
178 | ||
179 | struct cmd_list_element *setchecklist; | |
180 | ||
181 | struct cmd_list_element *showchecklist; | |
16026cd7 AS |
182 | |
183 | /* Command tracing state. */ | |
184 | ||
185 | int source_verbose = 0; | |
186 | int trace_commands = 0; | |
d318976c | 187 | \f |
973817a3 JB |
188 | /* 'script-extension' option support. */ |
189 | ||
190 | static const char script_ext_off[] = "off"; | |
191 | static const char script_ext_soft[] = "soft"; | |
192 | static const char script_ext_strict[] = "strict"; | |
193 | ||
40478521 | 194 | static const char *const script_ext_enums[] = { |
973817a3 JB |
195 | script_ext_off, |
196 | script_ext_soft, | |
197 | script_ext_strict, | |
198 | NULL | |
199 | }; | |
200 | ||
201 | static const char *script_ext_mode = script_ext_soft; | |
202 | \f | |
d318976c | 203 | /* Utility used everywhere when at least one argument is needed and |
ebcd3b23 | 204 | none is supplied. */ |
d318976c FN |
205 | |
206 | void | |
207 | error_no_arg (char *why) | |
208 | { | |
8a3fe4f8 | 209 | error (_("Argument required (%s)."), why); |
d318976c FN |
210 | } |
211 | ||
212 | /* The "info" command is defined as a prefix, with allow_unknown = 0. | |
ebcd3b23 MS |
213 | Therefore, its own definition is called only for "info" with no |
214 | args. */ | |
d318976c | 215 | |
d318976c FN |
216 | static void |
217 | info_command (char *arg, int from_tty) | |
218 | { | |
9a2b4c1b MS |
219 | printf_unfiltered (_("\"info\" must be followed by " |
220 | "the name of an info command.\n")); | |
d318976c FN |
221 | help_list (infolist, "info ", -1, gdb_stdout); |
222 | } | |
223 | ||
224 | /* The "show" command with no arguments shows all the settings. */ | |
225 | ||
d318976c FN |
226 | static void |
227 | show_command (char *arg, int from_tty) | |
228 | { | |
229 | cmd_show_list (showlist, from_tty, ""); | |
230 | } | |
231 | \f | |
232 | /* Provide documentation on command or list given by COMMAND. FROM_TTY | |
233 | is ignored. */ | |
234 | ||
d318976c FN |
235 | static void |
236 | help_command (char *command, int from_tty) | |
237 | { | |
238 | help_cmd (command, gdb_stdout); | |
239 | } | |
240 | \f | |
241 | /* The "complete" command is used by Emacs to implement completion. */ | |
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 | ||
252 | if (arg == NULL) | |
253 | arg = ""; | |
254 | argpoint = strlen (arg); | |
255 | ||
ebcd3b23 MS |
256 | /* complete_line assumes that its first argument is somewhere |
257 | within, and except for filenames at the beginning of, the word to | |
258 | be completed. The following crude imitation of readline's | |
259 | word-breaking tries to accomodate this. */ | |
d9b52655 DJ |
260 | point = arg + argpoint; |
261 | while (point > arg) | |
262 | { | |
263 | if (strchr (rl_completer_word_break_characters, point[-1]) != 0) | |
264 | break; | |
265 | point--; | |
266 | } | |
267 | ||
268 | arg_prefix = alloca (point - arg + 1); | |
269 | memcpy (arg_prefix, arg, point - arg); | |
270 | arg_prefix[point - arg] = 0; | |
271 | ||
272 | completions = complete_line (point, arg, argpoint); | |
83d31a92 TT |
273 | |
274 | if (completions) | |
d318976c | 275 | { |
49c4e619 TT |
276 | int ix, size = VEC_length (char_ptr, completions); |
277 | char *item, *prev = NULL; | |
83d31a92 | 278 | |
49c4e619 TT |
279 | qsort (VEC_address (char_ptr, completions), size, |
280 | sizeof (char *), compare_strings); | |
83d31a92 TT |
281 | |
282 | /* We do extra processing here since we only want to print each | |
283 | unique item once. */ | |
49c4e619 | 284 | for (ix = 0; VEC_iterate (char_ptr, completions, ix, item); ++ix) |
83d31a92 | 285 | { |
49c4e619 | 286 | if (prev == NULL || strcmp (item, prev) != 0) |
83d31a92 | 287 | { |
49c4e619 TT |
288 | printf_unfiltered ("%s%s\n", arg_prefix, item); |
289 | xfree (prev); | |
290 | prev = item; | |
83d31a92 | 291 | } |
49c4e619 TT |
292 | else |
293 | xfree (item); | |
83d31a92 TT |
294 | } |
295 | ||
49c4e619 TT |
296 | xfree (prev); |
297 | VEC_free (char_ptr, completions); | |
d318976c FN |
298 | } |
299 | } | |
300 | ||
bbaca940 AC |
301 | int |
302 | is_complete_command (struct cmd_list_element *c) | |
d318976c | 303 | { |
bbaca940 | 304 | return cmd_cfunc_eq (c, complete_command); |
d318976c FN |
305 | } |
306 | ||
d318976c FN |
307 | static void |
308 | show_version (char *args, int from_tty) | |
309 | { | |
d318976c FN |
310 | print_gdb_version (gdb_stdout); |
311 | printf_filtered ("\n"); | |
d318976c FN |
312 | } |
313 | ||
6eaaf48b EZ |
314 | static void |
315 | show_configuration (char *args, int from_tty) | |
316 | { | |
317 | print_gdb_configuration (gdb_stdout); | |
318 | } | |
319 | ||
d318976c FN |
320 | /* Handle the quit command. */ |
321 | ||
322 | void | |
323 | quit_command (char *args, int from_tty) | |
324 | { | |
325 | if (!quit_confirm ()) | |
8a3fe4f8 | 326 | error (_("Not confirmed.")); |
d5551862 | 327 | |
2f9d54cf | 328 | query_if_trace_running (from_tty); |
d5551862 | 329 | |
d318976c FN |
330 | quit_force (args, from_tty); |
331 | } | |
332 | ||
d318976c FN |
333 | static void |
334 | pwd_command (char *args, int from_tty) | |
335 | { | |
336 | if (args) | |
8a3fe4f8 | 337 | error (_("The \"pwd\" command does not take an argument: %s"), args); |
bf1d7d9c JB |
338 | if (! getcwd (gdb_dirbuf, sizeof (gdb_dirbuf))) |
339 | error (_("Error finding name of working directory: %s"), | |
340 | safe_strerror (errno)); | |
d318976c | 341 | |
6314a349 | 342 | if (strcmp (gdb_dirbuf, current_directory) != 0) |
a3f17187 | 343 | printf_unfiltered (_("Working directory %s\n (canonically %s).\n"), |
d318976c FN |
344 | current_directory, gdb_dirbuf); |
345 | else | |
a3f17187 | 346 | printf_unfiltered (_("Working directory %s.\n"), current_directory); |
d318976c FN |
347 | } |
348 | ||
349 | void | |
350 | cd_command (char *dir, int from_tty) | |
351 | { | |
352 | int len; | |
353 | /* Found something other than leading repetitions of "/..". */ | |
354 | int found_real_path; | |
355 | char *p; | |
5b3fca71 | 356 | struct cleanup *cleanup; |
d318976c FN |
357 | |
358 | /* If the new directory is absolute, repeat is a no-op; if relative, | |
359 | repeat might be useful but is more likely to be a mistake. */ | |
360 | dont_repeat (); | |
361 | ||
362 | if (dir == 0) | |
f3c8a52a | 363 | dir = "~"; |
d318976c FN |
364 | |
365 | dir = tilde_expand (dir); | |
5b3fca71 | 366 | cleanup = make_cleanup (xfree, dir); |
d318976c FN |
367 | |
368 | if (chdir (dir) < 0) | |
369 | perror_with_name (dir); | |
370 | ||
c3690141 | 371 | #ifdef HAVE_DOS_BASED_FILE_SYSTEM |
d318976c FN |
372 | /* There's too much mess with DOSish names like "d:", "d:.", |
373 | "d:./foo" etc. Instead of having lots of special #ifdef'ed code, | |
374 | simply get the canonicalized name of the current directory. */ | |
375 | dir = getcwd (gdb_dirbuf, sizeof (gdb_dirbuf)); | |
376 | #endif | |
377 | ||
378 | len = strlen (dir); | |
fe4e3eb8 | 379 | if (IS_DIR_SEPARATOR (dir[len - 1])) |
d318976c FN |
380 | { |
381 | /* Remove the trailing slash unless this is a root directory | |
382 | (including a drive letter on non-Unix systems). */ | |
383 | if (!(len == 1) /* "/" */ | |
c3690141 | 384 | #ifdef HAVE_DOS_BASED_FILE_SYSTEM |
fe4e3eb8 | 385 | && !(len == 3 && dir[1] == ':') /* "d:/" */ |
d318976c FN |
386 | #endif |
387 | ) | |
388 | len--; | |
389 | } | |
390 | ||
391 | dir = savestring (dir, len); | |
fe4e3eb8 | 392 | if (IS_ABSOLUTE_PATH (dir)) |
d318976c FN |
393 | current_directory = dir; |
394 | else | |
395 | { | |
fe4e3eb8 | 396 | if (IS_DIR_SEPARATOR (current_directory[strlen (current_directory) - 1])) |
1754f103 | 397 | current_directory = concat (current_directory, dir, (char *)NULL); |
d318976c | 398 | else |
1754f103 MK |
399 | current_directory = concat (current_directory, SLASH_STRING, |
400 | dir, (char *)NULL); | |
b8c9b27d | 401 | xfree (dir); |
d318976c FN |
402 | } |
403 | ||
404 | /* Now simplify any occurrences of `.' and `..' in the pathname. */ | |
405 | ||
406 | found_real_path = 0; | |
407 | for (p = current_directory; *p;) | |
408 | { | |
fe4e3eb8 EZ |
409 | if (IS_DIR_SEPARATOR (p[0]) && p[1] == '.' |
410 | && (p[2] == 0 || IS_DIR_SEPARATOR (p[2]))) | |
b2a3b509 | 411 | memmove (p, p + 2, strlen (p + 2) + 1); |
fe4e3eb8 EZ |
412 | else if (IS_DIR_SEPARATOR (p[0]) && p[1] == '.' && p[2] == '.' |
413 | && (p[3] == 0 || IS_DIR_SEPARATOR (p[3]))) | |
d318976c FN |
414 | { |
415 | if (found_real_path) | |
416 | { | |
417 | /* Search backwards for the directory just before the "/.." | |
418 | and obliterate it and the "/..". */ | |
419 | char *q = p; | |
cdb27c12 | 420 | |
fe4e3eb8 | 421 | while (q != current_directory && !IS_DIR_SEPARATOR (q[-1])) |
d318976c FN |
422 | --q; |
423 | ||
424 | if (q == current_directory) | |
425 | /* current_directory is | |
426 | a relative pathname ("can't happen"--leave it alone). */ | |
427 | ++p; | |
428 | else | |
429 | { | |
b2a3b509 | 430 | memmove (q - 1, p + 3, strlen (p + 3) + 1); |
d318976c FN |
431 | p = q - 1; |
432 | } | |
433 | } | |
434 | else | |
ebcd3b23 MS |
435 | /* We are dealing with leading repetitions of "/..", for |
436 | example "/../..", which is the Mach super-root. */ | |
d318976c FN |
437 | p += 3; |
438 | } | |
439 | else | |
440 | { | |
441 | found_real_path = 1; | |
442 | ++p; | |
443 | } | |
444 | } | |
445 | ||
446 | forget_cached_source_info (); | |
447 | ||
448 | if (from_tty) | |
449 | pwd_command ((char *) 0, 1); | |
5b3fca71 TT |
450 | |
451 | do_cleanups (cleanup); | |
d318976c FN |
452 | } |
453 | \f | |
973817a3 JB |
454 | /* Show the current value of the 'script-extension' option. */ |
455 | ||
456 | static void | |
457 | show_script_ext_mode (struct ui_file *file, int from_tty, | |
458 | struct cmd_list_element *c, const char *value) | |
d318976c | 459 | { |
9a2b4c1b MS |
460 | fprintf_filtered (file, |
461 | _("Script filename extension recognition is \"%s\".\n"), | |
973817a3 JB |
462 | value); |
463 | } | |
464 | ||
3f7b2faa DE |
465 | /* Try to open SCRIPT_FILE. |
466 | If successful, the full path name is stored in *FULL_PATHP, | |
467 | the stream is stored in *STREAMP, and return 1. | |
468 | The caller is responsible for freeing *FULL_PATHP. | |
469 | If not successful, return 0; errno is set for the last file | |
470 | we tried to open. | |
471 | ||
472 | If SEARCH_PATH is non-zero, and the file isn't found in cwd, | |
f5b95b50 | 473 | search for it in the source search path. */ |
3f7b2faa | 474 | |
8a1ea21f | 475 | int |
3f7b2faa DE |
476 | find_and_open_script (const char *script_file, int search_path, |
477 | FILE **streamp, char **full_pathp) | |
973817a3 | 478 | { |
3f7b2faa | 479 | char *file; |
4b505b12 | 480 | int fd; |
973817a3 | 481 | struct cleanup *old_cleanups; |
492c0ab7 | 482 | int search_flags = OPF_TRY_CWD_FIRST | OPF_RETURN_REALPATH; |
d318976c | 483 | |
3f7b2faa | 484 | file = tilde_expand (script_file); |
b8c9b27d | 485 | old_cleanups = make_cleanup (xfree, file); |
d318976c | 486 | |
3f7b2faa DE |
487 | if (search_path) |
488 | search_flags |= OPF_SEARCH_IN_PATH; | |
4b505b12 | 489 | |
3f7b2faa DE |
490 | /* Search for and open 'file' on the search path used for source |
491 | files. Put the full location in *FULL_PATHP. */ | |
492 | fd = openp (source_path, search_flags, | |
493 | file, O_RDONLY, full_pathp); | |
4b505b12 AS |
494 | |
495 | if (fd == -1) | |
d318976c | 496 | { |
3f7b2faa DE |
497 | int save_errno = errno; |
498 | do_cleanups (old_cleanups); | |
499 | errno = save_errno; | |
500 | return 0; | |
d318976c FN |
501 | } |
502 | ||
3f7b2faa | 503 | do_cleanups (old_cleanups); |
973817a3 | 504 | |
3f7b2faa | 505 | *streamp = fdopen (fd, FOPEN_RT); |
77a35dd8 JK |
506 | if (*streamp == NULL) |
507 | { | |
508 | int save_errno = errno; | |
509 | ||
510 | close (fd); | |
511 | if (full_pathp) | |
512 | xfree (*full_pathp); | |
513 | errno = save_errno; | |
514 | return 0; | |
515 | } | |
516 | ||
973817a3 JB |
517 | return 1; |
518 | } | |
519 | ||
86eb7e95 | 520 | /* Load script FILE, which has already been opened as STREAM. */ |
973817a3 | 521 | |
3f7b2faa DE |
522 | static void |
523 | source_script_from_stream (FILE *stream, const char *file) | |
524 | { | |
973817a3 JB |
525 | if (script_ext_mode != script_ext_off |
526 | && strlen (file) > 3 && !strcmp (&file[strlen (file) - 3], ".py")) | |
527 | { | |
f23981e9 PA |
528 | if (have_python ()) |
529 | source_python_script (stream, file); | |
530 | else if (script_ext_mode == script_ext_soft) | |
973817a3 | 531 | { |
f23981e9 PA |
532 | /* Fallback to GDB script mode. */ |
533 | script_from_file (stream, file); | |
973817a3 | 534 | } |
f23981e9 PA |
535 | else |
536 | error (_("Python scripting is not supported in this copy of GDB.")); | |
973817a3 JB |
537 | } |
538 | else | |
539 | script_from_file (stream, file); | |
3f7b2faa | 540 | } |
d318976c | 541 | |
3f7b2faa DE |
542 | /* Worker to perform the "source" command. |
543 | Load script FILE. | |
544 | If SEARCH_PATH is non-zero, and the file isn't found in cwd, | |
545 | search for it in the source search path. */ | |
546 | ||
547 | static void | |
548 | source_script_with_search (const char *file, int from_tty, int search_path) | |
549 | { | |
550 | FILE *stream; | |
551 | char *full_path; | |
552 | struct cleanup *old_cleanups; | |
553 | ||
554 | if (file == NULL || *file == 0) | |
555 | error (_("source command requires file name of file to source.")); | |
556 | ||
557 | if (!find_and_open_script (file, search_path, &stream, &full_path)) | |
558 | { | |
d234ef5c | 559 | /* The script wasn't found, or was otherwise inaccessible. |
ebcd3b23 MS |
560 | If the source command was invoked interactively, throw an |
561 | error. Otherwise (e.g. if it was invoked by a script), | |
7c647d61 | 562 | just emit a warning, rather than cause an error. */ |
3f7b2faa DE |
563 | if (from_tty) |
564 | perror_with_name (file); | |
565 | else | |
7c647d61 JB |
566 | { |
567 | perror_warning_with_name (file); | |
568 | return; | |
569 | } | |
3f7b2faa DE |
570 | } |
571 | ||
572 | old_cleanups = make_cleanup (xfree, full_path); | |
86eb7e95 | 573 | make_cleanup_fclose (stream); |
d234ef5c DE |
574 | /* The python support reopens the file, so we need to pass full_path here |
575 | in case the file was found on the search path. It's useful to do this | |
576 | anyway so that error messages show the actual file used. But only do | |
577 | this if we (may have) used search_path, as printing the full path in | |
578 | errors for the non-search case can be more noise than signal. */ | |
579 | source_script_from_stream (stream, search_path ? full_path : file); | |
d318976c FN |
580 | do_cleanups (old_cleanups); |
581 | } | |
582 | ||
3f7b2faa DE |
583 | /* Wrapper around source_script_with_search to export it to main.c |
584 | for use in loading .gdbinit scripts. */ | |
585 | ||
586 | void | |
50dd9793 | 587 | source_script (const char *file, int from_tty) |
3f7b2faa DE |
588 | { |
589 | source_script_with_search (file, from_tty, 0); | |
590 | } | |
591 | ||
16026cd7 AS |
592 | /* Return the source_verbose global variable to its previous state |
593 | on exit from the source command, by whatever means. */ | |
594 | static void | |
595 | source_verbose_cleanup (void *old_value) | |
596 | { | |
597 | source_verbose = *(int *)old_value; | |
598 | xfree (old_value); | |
599 | } | |
600 | ||
601 | static void | |
602 | source_command (char *args, int from_tty) | |
603 | { | |
604 | struct cleanup *old_cleanups; | |
605 | char *file = args; | |
606 | int *old_source_verbose = xmalloc (sizeof(int)); | |
3f7b2faa | 607 | int search_path = 0; |
16026cd7 AS |
608 | |
609 | *old_source_verbose = source_verbose; | |
ebcd3b23 MS |
610 | old_cleanups = make_cleanup (source_verbose_cleanup, |
611 | old_source_verbose); | |
16026cd7 AS |
612 | |
613 | /* -v causes the source command to run in verbose mode. | |
3f7b2faa DE |
614 | -s causes the file to be searched in the source search path, |
615 | even if the file name contains a '/'. | |
16026cd7 AS |
616 | We still have to be able to handle filenames with spaces in a |
617 | backward compatible way, so buildargv is not appropriate. */ | |
618 | ||
619 | if (args) | |
620 | { | |
3f7b2faa | 621 | while (args[0] != '\0') |
16026cd7 | 622 | { |
ebcd3b23 MS |
623 | /* Make sure leading white space does not break the |
624 | comparisons. */ | |
529480d0 | 625 | args = skip_spaces (args); |
3f7b2faa DE |
626 | |
627 | if (args[0] != '-') | |
628 | break; | |
629 | ||
630 | if (args[1] == 'v' && isspace (args[2])) | |
631 | { | |
632 | source_verbose = 1; | |
633 | ||
634 | /* Skip passed -v. */ | |
635 | args = &args[3]; | |
636 | } | |
637 | else if (args[1] == 's' && isspace (args[2])) | |
638 | { | |
639 | search_path = 1; | |
16026cd7 | 640 | |
3f7b2faa DE |
641 | /* Skip passed -s. */ |
642 | args = &args[3]; | |
643 | } | |
644 | else | |
645 | break; | |
16026cd7 | 646 | } |
3f7b2faa | 647 | |
529480d0 | 648 | file = skip_spaces (args); |
16026cd7 AS |
649 | } |
650 | ||
3f7b2faa | 651 | source_script_with_search (file, from_tty, search_path); |
96e39866 DE |
652 | |
653 | do_cleanups (old_cleanups); | |
16026cd7 AS |
654 | } |
655 | ||
656 | ||
d318976c FN |
657 | static void |
658 | echo_command (char *text, int from_tty) | |
659 | { | |
d7561cbb | 660 | const char *p = text; |
d5b5ac79 | 661 | int c; |
d318976c FN |
662 | |
663 | if (text) | |
664 | while ((c = *p++) != '\0') | |
665 | { | |
666 | if (c == '\\') | |
667 | { | |
668 | /* \ at end of argument is used after spaces | |
669 | so they won't be lost. */ | |
670 | if (*p == 0) | |
671 | return; | |
672 | ||
f870a310 | 673 | c = parse_escape (get_current_arch (), &p); |
d318976c FN |
674 | if (c >= 0) |
675 | printf_filtered ("%c", c); | |
676 | } | |
677 | else | |
678 | printf_filtered ("%c", c); | |
679 | } | |
680 | ||
681 | /* Force this output to appear now. */ | |
682 | wrap_here (""); | |
683 | gdb_flush (gdb_stdout); | |
684 | } | |
685 | ||
d318976c FN |
686 | static void |
687 | shell_escape (char *arg, int from_tty) | |
688 | { | |
9b265ec2 MM |
689 | #if defined(CANT_FORK) || \ |
690 | (!defined(HAVE_WORKING_VFORK) && !defined(HAVE_WORKING_FORK)) | |
d318976c FN |
691 | /* If ARG is NULL, they want an inferior shell, but `system' just |
692 | reports if the shell is available when passed a NULL arg. */ | |
693 | int rc = system (arg ? arg : ""); | |
694 | ||
695 | if (!arg) | |
696 | arg = "inferior shell"; | |
697 | ||
698 | if (rc == -1) | |
699 | { | |
700 | fprintf_unfiltered (gdb_stderr, "Cannot execute %s: %s\n", arg, | |
701 | safe_strerror (errno)); | |
702 | gdb_flush (gdb_stderr); | |
703 | } | |
704 | else if (rc) | |
705 | { | |
706 | fprintf_unfiltered (gdb_stderr, "%s exited with status %d\n", arg, rc); | |
707 | gdb_flush (gdb_stderr); | |
708 | } | |
2584159e | 709 | #ifdef GLOBAL_CURDIR |
ebcd3b23 MS |
710 | /* Make sure to return to the directory GDB thinks it is, in case |
711 | the shell command we just ran changed it. */ | |
d318976c FN |
712 | chdir (current_directory); |
713 | #endif | |
714 | #else /* Can fork. */ | |
5be4dfca | 715 | int status, pid; |
d318976c | 716 | |
325ed089 | 717 | if ((pid = vfork ()) == 0) |
d318976c | 718 | { |
9f37bbcc | 719 | const char *p, *user_shell; |
30e94205 | 720 | |
614c279d TT |
721 | close_most_fds (); |
722 | ||
30e94205 DJ |
723 | if ((user_shell = (char *) getenv ("SHELL")) == NULL) |
724 | user_shell = "/bin/sh"; | |
725 | ||
ebcd3b23 | 726 | /* Get the name of the shell for arg0. */ |
9f37bbcc | 727 | p = lbasename (user_shell); |
30e94205 | 728 | |
d318976c | 729 | if (!arg) |
36662fde | 730 | execl (user_shell, p, (char *) 0); |
d318976c | 731 | else |
36662fde | 732 | execl (user_shell, p, "-c", arg, (char *) 0); |
d318976c FN |
733 | |
734 | fprintf_unfiltered (gdb_stderr, "Cannot execute %s: %s\n", user_shell, | |
735 | safe_strerror (errno)); | |
736 | gdb_flush (gdb_stderr); | |
737 | _exit (0177); | |
738 | } | |
739 | ||
740 | if (pid != -1) | |
5be4dfca | 741 | waitpid (pid, &status, 0); |
d318976c | 742 | else |
8a3fe4f8 | 743 | error (_("Fork failed")); |
d318976c FN |
744 | #endif /* Can fork. */ |
745 | } | |
746 | ||
0378c332 FN |
747 | static void |
748 | edit_command (char *arg, int from_tty) | |
749 | { | |
750 | struct symtabs_and_lines sals; | |
751 | struct symtab_and_line sal; | |
752 | struct symbol *sym; | |
753 | char *arg1; | |
0378c332 | 754 | char *editor; |
0b0865da TT |
755 | char *p; |
756 | const char *fn; | |
0378c332 | 757 | |
d5529a84 | 758 | /* Pull in the current default source line if necessary. */ |
0378c332 | 759 | if (arg == 0) |
53cb0458 FN |
760 | { |
761 | set_default_source_symtab_and_line (); | |
762 | sal = get_current_source_symtab_and_line (); | |
763 | } | |
0378c332 | 764 | |
ebcd3b23 | 765 | /* Bare "edit" edits file with present line. */ |
0378c332 FN |
766 | |
767 | if (arg == 0) | |
768 | { | |
769 | if (sal.symtab == 0) | |
8a3fe4f8 | 770 | error (_("No default source file yet.")); |
0378c332 FN |
771 | sal.line += get_lines_to_list () / 2; |
772 | } | |
773 | else | |
774 | { | |
d5529a84 | 775 | /* Now should only be one argument -- decode it in SAL. */ |
0378c332 FN |
776 | |
777 | arg1 = arg; | |
f8eba3c6 | 778 | sals = decode_line_1 (&arg1, DECODE_LINE_LIST_MODE, 0, 0); |
0378c332 | 779 | |
f8eba3c6 | 780 | filter_sals (&sals); |
d5529a84 TT |
781 | if (! sals.nelts) |
782 | { | |
783 | /* C++ */ | |
784 | return; | |
785 | } | |
786 | if (sals.nelts > 1) | |
787 | { | |
788 | ambiguous_line_spec (&sals); | |
789 | xfree (sals.sals); | |
790 | return; | |
791 | } | |
0378c332 FN |
792 | |
793 | sal = sals.sals[0]; | |
794 | xfree (sals.sals); | |
795 | ||
796 | if (*arg1) | |
8a3fe4f8 | 797 | error (_("Junk at end of line specification.")); |
0378c332 | 798 | |
ebcd3b23 MS |
799 | /* If line was specified by address, first print exactly which |
800 | line, and which file. In this case, sal.symtab == 0 means | |
801 | address is outside of all known source files, not that user | |
802 | failed to give a filename. */ | |
0378c332 FN |
803 | if (*arg == '*') |
804 | { | |
5af949e3 | 805 | struct gdbarch *gdbarch; |
cdb27c12 | 806 | |
0378c332 | 807 | if (sal.symtab == 0) |
8a3fe4f8 | 808 | error (_("No source file for address %s."), |
2b69941d | 809 | paddress (get_current_arch (), sal.pc)); |
5af949e3 UW |
810 | |
811 | gdbarch = get_objfile_arch (sal.symtab->objfile); | |
0378c332 FN |
812 | sym = find_pc_function (sal.pc); |
813 | if (sym) | |
5af949e3 UW |
814 | printf_filtered ("%s is in %s (%s:%d).\n", |
815 | paddress (gdbarch, sal.pc), | |
816 | SYMBOL_PRINT_NAME (sym), | |
05cba821 JK |
817 | symtab_to_filename_for_display (sal.symtab), |
818 | sal.line); | |
0378c332 | 819 | else |
5af949e3 UW |
820 | printf_filtered ("%s is at %s:%d.\n", |
821 | paddress (gdbarch, sal.pc), | |
05cba821 JK |
822 | symtab_to_filename_for_display (sal.symtab), |
823 | sal.line); | |
0378c332 FN |
824 | } |
825 | ||
ebcd3b23 MS |
826 | /* If what was given does not imply a symtab, it must be an |
827 | undebuggable symbol which means no source code. */ | |
0378c332 FN |
828 | |
829 | if (sal.symtab == 0) | |
8a3fe4f8 | 830 | error (_("No line number known for %s."), arg); |
0378c332 FN |
831 | } |
832 | ||
833 | if ((editor = (char *) getenv ("EDITOR")) == NULL) | |
834 | editor = "/bin/ex"; | |
a955ca71 | 835 | |
f35a17b5 | 836 | fn = symtab_to_fullname (sal.symtab); |
0378c332 | 837 | |
a955ca71 EZ |
838 | /* Quote the file name, in case it has whitespace or other special |
839 | characters. */ | |
840 | p = xstrprintf ("%s +%d \"%s\"", editor, sal.line, fn); | |
d5529a84 TT |
841 | shell_escape (p, from_tty); |
842 | xfree (p); | |
0378c332 FN |
843 | } |
844 | ||
845 | static void | |
846 | list_command (char *arg, int from_tty) | |
847 | { | |
848 | struct symtabs_and_lines sals, sals_end; | |
245c7f48 DJ |
849 | struct symtab_and_line sal = { 0 }; |
850 | struct symtab_and_line sal_end = { 0 }; | |
851 | struct symtab_and_line cursal = { 0 }; | |
0378c332 FN |
852 | struct symbol *sym; |
853 | char *arg1; | |
854 | int no_end = 1; | |
855 | int dummy_end = 0; | |
856 | int dummy_beg = 0; | |
857 | int linenum_beg = 0; | |
858 | char *p; | |
859 | ||
ebcd3b23 | 860 | /* Pull in the current default source line if necessary. */ |
0378c332 | 861 | if (arg == 0 || arg[0] == '+' || arg[0] == '-') |
53cb0458 FN |
862 | { |
863 | set_default_source_symtab_and_line (); | |
864 | cursal = get_current_source_symtab_and_line (); | |
865 | } | |
0378c332 FN |
866 | |
867 | /* "l" or "l +" lists next ten lines. */ | |
868 | ||
6314a349 | 869 | if (arg == 0 || strcmp (arg, "+") == 0) |
0378c332 FN |
870 | { |
871 | print_source_lines (cursal.symtab, cursal.line, | |
872 | cursal.line + get_lines_to_list (), 0); | |
873 | return; | |
874 | } | |
875 | ||
ebcd3b23 MS |
876 | /* "l -" lists previous ten lines, the ones before the ten just |
877 | listed. */ | |
6314a349 | 878 | if (strcmp (arg, "-") == 0) |
0378c332 FN |
879 | { |
880 | print_source_lines (cursal.symtab, | |
9a2b4c1b MS |
881 | max (get_first_line_listed () |
882 | - get_lines_to_list (), 1), | |
0378c332 FN |
883 | get_first_line_listed (), 0); |
884 | return; | |
885 | } | |
886 | ||
887 | /* Now if there is only one argument, decode it in SAL | |
888 | and set NO_END. | |
889 | If there are two arguments, decode them in SAL and SAL_END | |
890 | and clear NO_END; however, if one of the arguments is blank, | |
891 | set DUMMY_BEG or DUMMY_END to record that fact. */ | |
892 | ||
893 | if (!have_full_symbols () && !have_partial_symbols ()) | |
8a3fe4f8 | 894 | error (_("No symbol table is loaded. Use the \"file\" command.")); |
0378c332 FN |
895 | |
896 | arg1 = arg; | |
897 | if (*arg1 == ',') | |
898 | dummy_beg = 1; | |
899 | else | |
900 | { | |
f8eba3c6 | 901 | sals = decode_line_1 (&arg1, DECODE_LINE_LIST_MODE, 0, 0); |
0378c332 | 902 | |
f8eba3c6 | 903 | filter_sals (&sals); |
0378c332 FN |
904 | if (!sals.nelts) |
905 | return; /* C++ */ | |
906 | if (sals.nelts > 1) | |
907 | { | |
908 | ambiguous_line_spec (&sals); | |
909 | xfree (sals.sals); | |
910 | return; | |
911 | } | |
912 | ||
913 | sal = sals.sals[0]; | |
914 | xfree (sals.sals); | |
915 | } | |
916 | ||
917 | /* Record whether the BEG arg is all digits. */ | |
918 | ||
919 | for (p = arg; p != arg1 && *p >= '0' && *p <= '9'; p++); | |
920 | linenum_beg = (p == arg1); | |
921 | ||
922 | while (*arg1 == ' ' || *arg1 == '\t') | |
923 | arg1++; | |
924 | if (*arg1 == ',') | |
925 | { | |
926 | no_end = 0; | |
927 | arg1++; | |
928 | while (*arg1 == ' ' || *arg1 == '\t') | |
929 | arg1++; | |
930 | if (*arg1 == 0) | |
931 | dummy_end = 1; | |
932 | else | |
933 | { | |
934 | if (dummy_beg) | |
f8eba3c6 | 935 | sals_end = decode_line_1 (&arg1, DECODE_LINE_LIST_MODE, 0, 0); |
0378c332 | 936 | else |
f8eba3c6 TT |
937 | sals_end = decode_line_1 (&arg1, DECODE_LINE_LIST_MODE, |
938 | sal.symtab, sal.line); | |
4979d7f0 | 939 | filter_sals (&sals_end); |
0378c332 FN |
940 | if (sals_end.nelts == 0) |
941 | return; | |
942 | if (sals_end.nelts > 1) | |
943 | { | |
944 | ambiguous_line_spec (&sals_end); | |
945 | xfree (sals_end.sals); | |
946 | return; | |
947 | } | |
948 | sal_end = sals_end.sals[0]; | |
949 | xfree (sals_end.sals); | |
950 | } | |
951 | } | |
952 | ||
953 | if (*arg1) | |
8a3fe4f8 | 954 | error (_("Junk at end of line specification.")); |
0378c332 FN |
955 | |
956 | if (!no_end && !dummy_beg && !dummy_end | |
957 | && sal.symtab != sal_end.symtab) | |
8a3fe4f8 | 958 | error (_("Specified start and end are in different files.")); |
0378c332 | 959 | if (dummy_beg && dummy_end) |
8a3fe4f8 | 960 | error (_("Two empty args do not say what lines to list.")); |
0378c332 | 961 | |
ebcd3b23 | 962 | /* If line was specified by address, |
0378c332 | 963 | first print exactly which line, and which file. |
ebcd3b23 MS |
964 | |
965 | In this case, sal.symtab == 0 means address is outside of all | |
966 | known source files, not that user failed to give a filename. */ | |
0378c332 FN |
967 | if (*arg == '*') |
968 | { | |
5af949e3 | 969 | struct gdbarch *gdbarch; |
cdb27c12 | 970 | |
0378c332 | 971 | if (sal.symtab == 0) |
8a3fe4f8 | 972 | error (_("No source file for address %s."), |
2b69941d | 973 | paddress (get_current_arch (), sal.pc)); |
5af949e3 UW |
974 | |
975 | gdbarch = get_objfile_arch (sal.symtab->objfile); | |
0378c332 FN |
976 | sym = find_pc_function (sal.pc); |
977 | if (sym) | |
50ee7535 | 978 | printf_filtered ("%s is in %s (%s:%d).\n", |
5af949e3 UW |
979 | paddress (gdbarch, sal.pc), |
980 | SYMBOL_PRINT_NAME (sym), | |
05cba821 | 981 | symtab_to_filename_for_display (sal.symtab), sal.line); |
0378c332 | 982 | else |
5af949e3 UW |
983 | printf_filtered ("%s is at %s:%d.\n", |
984 | paddress (gdbarch, sal.pc), | |
05cba821 | 985 | symtab_to_filename_for_display (sal.symtab), sal.line); |
0378c332 FN |
986 | } |
987 | ||
ebcd3b23 MS |
988 | /* If line was not specified by just a line number, and it does not |
989 | imply a symtab, it must be an undebuggable symbol which means no | |
990 | source code. */ | |
0378c332 FN |
991 | |
992 | if (!linenum_beg && sal.symtab == 0) | |
8a3fe4f8 | 993 | error (_("No line number known for %s."), arg); |
0378c332 FN |
994 | |
995 | /* If this command is repeated with RET, | |
996 | turn it into the no-arg variant. */ | |
997 | ||
998 | if (from_tty) | |
999 | *arg = 0; | |
1000 | ||
1001 | if (dummy_beg && sal_end.symtab == 0) | |
8a3fe4f8 | 1002 | error (_("No default source file yet. Do \"help list\".")); |
0378c332 FN |
1003 | if (dummy_beg) |
1004 | print_source_lines (sal_end.symtab, | |
1005 | max (sal_end.line - (get_lines_to_list () - 1), 1), | |
1006 | sal_end.line + 1, 0); | |
1007 | else if (sal.symtab == 0) | |
8a3fe4f8 | 1008 | error (_("No default source file yet. Do \"help list\".")); |
0378c332 FN |
1009 | else if (no_end) |
1010 | { | |
1011 | int first_line = sal.line - get_lines_to_list () / 2; | |
1012 | ||
1013 | if (first_line < 1) first_line = 1; | |
1014 | ||
1015 | print_source_lines (sal.symtab, | |
1016 | first_line, | |
1017 | first_line + get_lines_to_list (), | |
1018 | 0); | |
1019 | } | |
1020 | else | |
1021 | print_source_lines (sal.symtab, sal.line, | |
1022 | (dummy_end | |
1023 | ? sal.line + get_lines_to_list () | |
1024 | : sal_end.line + 1), | |
1025 | 0); | |
1026 | } | |
1027 | ||
d14508fe DE |
1028 | /* Subroutine of disassemble_command to simplify it. |
1029 | Perform the disassembly. | |
1030 | NAME is the name of the function if known, or NULL. | |
1031 | [LOW,HIGH) are the range of addresses to disassemble. | |
1032 | MIXED is non-zero to print source with the assembler. */ | |
1033 | ||
1034 | static void | |
13274fc3 | 1035 | print_disassembly (struct gdbarch *gdbarch, const char *name, |
e6158f16 | 1036 | CORE_ADDR low, CORE_ADDR high, int flags) |
d14508fe DE |
1037 | { |
1038 | #if defined(TUI) | |
1039 | if (!tui_is_window_visible (DISASSEM_WIN)) | |
1040 | #endif | |
1041 | { | |
1042 | printf_filtered ("Dump of assembler code "); | |
1043 | if (name != NULL) | |
1044 | printf_filtered ("for function %s:\n", name); | |
1045 | else | |
5af949e3 UW |
1046 | printf_filtered ("from %s to %s:\n", |
1047 | paddress (gdbarch, low), paddress (gdbarch, high)); | |
d14508fe DE |
1048 | |
1049 | /* Dump the specified range. */ | |
79a45e25 | 1050 | gdb_disassembly (gdbarch, current_uiout, 0, flags, -1, low, high); |
d14508fe DE |
1051 | |
1052 | printf_filtered ("End of assembler dump.\n"); | |
1053 | gdb_flush (gdb_stdout); | |
1054 | } | |
1055 | #if defined(TUI) | |
1056 | else | |
1057 | { | |
13274fc3 | 1058 | tui_show_assembly (gdbarch, low); |
d14508fe DE |
1059 | } |
1060 | #endif | |
1061 | } | |
1062 | ||
1063 | /* Subroutine of disassemble_command to simplify it. | |
9c419145 | 1064 | Print a disassembly of the current function according to FLAGS. */ |
d14508fe DE |
1065 | |
1066 | static void | |
e6158f16 | 1067 | disassemble_current_function (int flags) |
d14508fe | 1068 | { |
13274fc3 UW |
1069 | struct frame_info *frame; |
1070 | struct gdbarch *gdbarch; | |
d14508fe | 1071 | CORE_ADDR low, high, pc; |
2c02bd72 | 1072 | const char *name; |
d14508fe | 1073 | |
13274fc3 UW |
1074 | frame = get_selected_frame (_("No frame selected.")); |
1075 | gdbarch = get_frame_arch (frame); | |
9bf4bce9 | 1076 | pc = get_frame_address_in_block (frame); |
d14508fe DE |
1077 | if (find_pc_partial_function (pc, &name, &low, &high) == 0) |
1078 | error (_("No function contains program counter for selected frame.")); | |
1079 | #if defined(TUI) | |
1080 | /* NOTE: cagney/2003-02-13 The `tui_active' was previously | |
1081 | `tui_version'. */ | |
1082 | if (tui_active) | |
1083 | /* FIXME: cagney/2004-02-07: This should be an observer. */ | |
13274fc3 | 1084 | low = tui_get_low_disassembly_address (gdbarch, low, pc); |
d14508fe | 1085 | #endif |
13274fc3 | 1086 | low += gdbarch_deprecated_function_start_offset (gdbarch); |
d14508fe | 1087 | |
e6158f16 | 1088 | print_disassembly (gdbarch, name, low, high, flags); |
d14508fe DE |
1089 | } |
1090 | ||
1091 | /* Dump a specified section of assembly code. | |
1092 | ||
1093 | Usage: | |
e6158f16 | 1094 | disassemble [/mr] |
d14508fe | 1095 | - dump the assembly code for the function of the current pc |
e6158f16 | 1096 | disassemble [/mr] addr |
d14508fe | 1097 | - dump the assembly code for the function at ADDR |
53a71c06 CR |
1098 | disassemble [/mr] low,high |
1099 | disassemble [/mr] low,+length | |
1100 | - dump the assembly code in the range [LOW,HIGH), or [LOW,LOW+length) | |
d14508fe | 1101 | |
e6158f16 HZ |
1102 | A /m modifier will include source code with the assembly. |
1103 | A /r modifier will include raw instructions in hex with the assembly. */ | |
83c31e7d | 1104 | |
83c31e7d FN |
1105 | static void |
1106 | disassemble_command (char *arg, int from_tty) | |
1107 | { | |
13274fc3 | 1108 | struct gdbarch *gdbarch = get_current_arch (); |
83c31e7d | 1109 | CORE_ADDR low, high; |
2c02bd72 | 1110 | const char *name; |
d36fc00b | 1111 | CORE_ADDR pc; |
e6158f16 | 1112 | int flags; |
bbc13ae3 | 1113 | const char *p; |
83c31e7d | 1114 | |
bbc13ae3 | 1115 | p = arg; |
83c31e7d | 1116 | name = NULL; |
e6158f16 | 1117 | flags = 0; |
d14508fe | 1118 | |
bbc13ae3 | 1119 | if (p && *p == '/') |
83c31e7d | 1120 | { |
bbc13ae3 | 1121 | ++p; |
d14508fe | 1122 | |
bbc13ae3 | 1123 | if (*p == '\0') |
d14508fe DE |
1124 | error (_("Missing modifier.")); |
1125 | ||
bbc13ae3 | 1126 | while (*p && ! isspace (*p)) |
d14508fe | 1127 | { |
bbc13ae3 | 1128 | switch (*p++) |
d14508fe DE |
1129 | { |
1130 | case 'm': | |
e6158f16 HZ |
1131 | flags |= DISASSEMBLY_SOURCE; |
1132 | break; | |
1133 | case 'r': | |
1134 | flags |= DISASSEMBLY_RAW_INSN; | |
d14508fe DE |
1135 | break; |
1136 | default: | |
1137 | error (_("Invalid disassembly modifier.")); | |
1138 | } | |
1139 | } | |
1140 | ||
bbc13ae3 | 1141 | p = skip_spaces_const (p); |
d14508fe DE |
1142 | } |
1143 | ||
bbc13ae3 | 1144 | if (! p || ! *p) |
d14508fe | 1145 | { |
9c419145 | 1146 | flags |= DISASSEMBLY_OMIT_FNAME; |
e6158f16 | 1147 | disassemble_current_function (flags); |
d14508fe | 1148 | return; |
83c31e7d | 1149 | } |
d14508fe | 1150 | |
bbc13ae3 KS |
1151 | pc = value_as_address (parse_to_comma_and_eval (&p)); |
1152 | if (p[0] == ',') | |
1153 | ++p; | |
1154 | if (p[0] == '\0') | |
83c31e7d FN |
1155 | { |
1156 | /* One argument. */ | |
83c31e7d | 1157 | if (find_pc_partial_function (pc, &name, &low, &high) == 0) |
8a3fe4f8 | 1158 | error (_("No function contains specified address.")); |
83c31e7d | 1159 | #if defined(TUI) |
021e7609 AC |
1160 | /* NOTE: cagney/2003-02-13 The `tui_active' was previously |
1161 | `tui_version'. */ | |
22940a24 AC |
1162 | if (tui_active) |
1163 | /* FIXME: cagney/2004-02-07: This should be an observer. */ | |
13274fc3 | 1164 | low = tui_get_low_disassembly_address (gdbarch, low, pc); |
83c31e7d | 1165 | #endif |
13274fc3 | 1166 | low += gdbarch_deprecated_function_start_offset (gdbarch); |
9c419145 | 1167 | flags |= DISASSEMBLY_OMIT_FNAME; |
83c31e7d FN |
1168 | } |
1169 | else | |
1170 | { | |
1171 | /* Two arguments. */ | |
53a71c06 | 1172 | int incl_flag = 0; |
21a0512e | 1173 | low = pc; |
bbc13ae3 KS |
1174 | p = skip_spaces_const (p); |
1175 | if (p[0] == '+') | |
53a71c06 | 1176 | { |
bbc13ae3 | 1177 | ++p; |
53a71c06 CR |
1178 | incl_flag = 1; |
1179 | } | |
bbc13ae3 | 1180 | high = parse_and_eval_address (p); |
53a71c06 CR |
1181 | if (incl_flag) |
1182 | high += low; | |
83c31e7d FN |
1183 | } |
1184 | ||
e6158f16 | 1185 | print_disassembly (gdbarch, name, low, high, flags); |
83c31e7d FN |
1186 | } |
1187 | ||
d318976c FN |
1188 | static void |
1189 | make_command (char *arg, int from_tty) | |
1190 | { | |
1191 | char *p; | |
1192 | ||
1193 | if (arg == 0) | |
1194 | p = "make"; | |
1195 | else | |
1196 | { | |
1197 | p = xmalloc (sizeof ("make ") + strlen (arg)); | |
1198 | strcpy (p, "make "); | |
1199 | strcpy (p + sizeof ("make ") - 1, arg); | |
1200 | } | |
1201 | ||
1202 | shell_escape (p, from_tty); | |
1203 | } | |
1204 | ||
d318976c FN |
1205 | static void |
1206 | show_user (char *args, int from_tty) | |
1207 | { | |
1208 | struct cmd_list_element *c; | |
1209 | extern struct cmd_list_element *cmdlist; | |
1210 | ||
1211 | if (args) | |
1212 | { | |
6f937416 | 1213 | const char *comname = args; |
cdb27c12 | 1214 | |
adb483fe | 1215 | c = lookup_cmd (&comname, cmdlist, "", 0, 1); |
7d74f244 DE |
1216 | /* c->user_commands would be NULL if it's a python command. */ |
1217 | if (c->class != class_user || !c->user_commands) | |
8a3fe4f8 | 1218 | error (_("Not a user command.")); |
adb483fe | 1219 | show_user_1 (c, "", args, gdb_stdout); |
d318976c FN |
1220 | } |
1221 | else | |
1222 | { | |
1223 | for (c = cmdlist; c; c = c->next) | |
1224 | { | |
adb483fe DJ |
1225 | if (c->class == class_user || c->prefixlist != NULL) |
1226 | show_user_1 (c, "", c->name, gdb_stdout); | |
d318976c FN |
1227 | } |
1228 | } | |
1229 | } | |
1230 | ||
1231 | /* Search through names of commands and documentations for a certain | |
ebcd3b23 MS |
1232 | regular expression. */ |
1233 | ||
c419cfba | 1234 | static void |
d318976c FN |
1235 | apropos_command (char *searchstr, int from_tty) |
1236 | { | |
d318976c | 1237 | regex_t pattern; |
dc92e161 | 1238 | int code; |
cdb27c12 | 1239 | |
d318976c | 1240 | if (searchstr == NULL) |
f55af66d | 1241 | error (_("REGEXP string is empty")); |
d318976c | 1242 | |
dc92e161 TT |
1243 | code = regcomp (&pattern, searchstr, REG_ICASE); |
1244 | if (code == 0) | |
1245 | { | |
1246 | struct cleanup *cleanups; | |
1247 | ||
1248 | cleanups = make_regfree_cleanup (&pattern); | |
1249 | apropos_cmd (gdb_stdout, cmdlist, &pattern, ""); | |
1250 | do_cleanups (cleanups); | |
1251 | } | |
d318976c FN |
1252 | else |
1253 | { | |
dc92e161 TT |
1254 | char *err = get_regcomp_error (code, &pattern); |
1255 | ||
1256 | make_cleanup (xfree, err); | |
1257 | error (_("Error in regular expression: %s"), err); | |
d318976c | 1258 | } |
d318976c | 1259 | } |
5a56e9c5 DE |
1260 | |
1261 | /* Subroutine of alias_command to simplify it. | |
1262 | Return the first N elements of ARGV flattened back to a string | |
1263 | with a space separating each element. | |
1264 | ARGV may not be NULL. | |
1265 | This does not take care of quoting elements in case they contain spaces | |
1266 | on purpose. */ | |
1267 | ||
1268 | static dyn_string_t | |
1269 | argv_to_dyn_string (char **argv, int n) | |
1270 | { | |
1271 | int i; | |
1272 | dyn_string_t result = dyn_string_new (10); | |
1273 | ||
1274 | gdb_assert (argv != NULL); | |
1275 | gdb_assert (n >= 0 && n <= countargv (argv)); | |
1276 | ||
1277 | for (i = 0; i < n; ++i) | |
1278 | { | |
1279 | if (i > 0) | |
1280 | dyn_string_append_char (result, ' '); | |
1281 | dyn_string_append_cstr (result, argv[i]); | |
1282 | } | |
1283 | ||
1284 | return result; | |
1285 | } | |
1286 | ||
1287 | /* Subroutine of alias_command to simplify it. | |
1288 | Return TRUE if COMMAND exists, unambiguously. Otherwise FALSE. */ | |
1289 | ||
1290 | static int | |
6f937416 | 1291 | valid_command_p (const char *command) |
5a56e9c5 DE |
1292 | { |
1293 | struct cmd_list_element *c; | |
1294 | ||
1295 | c = lookup_cmd_1 (& command, cmdlist, NULL, 1); | |
1296 | ||
1297 | if (c == NULL || c == (struct cmd_list_element *) -1) | |
1298 | return FALSE; | |
1299 | ||
1300 | /* This is the slightly tricky part. | |
1301 | lookup_cmd_1 will return a pointer to the last part of COMMAND | |
1302 | to match, leaving COMMAND pointing at the remainder. */ | |
1303 | while (*command == ' ' || *command == '\t') | |
1304 | ++command; | |
1305 | return *command == '\0'; | |
1306 | } | |
1307 | ||
1308 | /* Make an alias of an existing command. */ | |
1309 | ||
1310 | static void | |
1311 | alias_command (char *args, int from_tty) | |
1312 | { | |
1313 | int i, alias_argc, command_argc; | |
1314 | int abbrev_flag = 0; | |
1315 | char *args2, *equals, *alias, *command; | |
1316 | char **alias_argv, **command_argv; | |
1317 | dyn_string_t alias_dyn_string, command_dyn_string; | |
5b3fca71 | 1318 | struct cleanup *cleanup; |
5a56e9c5 DE |
1319 | static const char usage[] = N_("Usage: alias [-a] [--] ALIAS = COMMAND"); |
1320 | ||
1321 | if (args == NULL || strchr (args, '=') == NULL) | |
1322 | error (_(usage)); | |
1323 | ||
1324 | args2 = xstrdup (args); | |
5b3fca71 | 1325 | cleanup = make_cleanup (xfree, args2); |
5a56e9c5 DE |
1326 | equals = strchr (args2, '='); |
1327 | *equals = '\0'; | |
1328 | alias_argv = gdb_buildargv (args2); | |
1329 | make_cleanup_freeargv (alias_argv); | |
1330 | command_argv = gdb_buildargv (equals + 1); | |
1331 | make_cleanup_freeargv (command_argv); | |
1332 | ||
1333 | for (i = 0; alias_argv[i] != NULL; ) | |
1334 | { | |
1335 | if (strcmp (alias_argv[i], "-a") == 0) | |
1336 | { | |
1337 | ++alias_argv; | |
1338 | abbrev_flag = 1; | |
1339 | } | |
1340 | else if (strcmp (alias_argv[i], "--") == 0) | |
1341 | { | |
1342 | ++alias_argv; | |
1343 | break; | |
1344 | } | |
1345 | else | |
1346 | break; | |
1347 | } | |
1348 | ||
1349 | if (alias_argv[0] == NULL || command_argv[0] == NULL | |
1350 | || *alias_argv[0] == '\0' || *command_argv[0] == '\0') | |
1351 | error (_(usage)); | |
1352 | ||
1353 | for (i = 0; alias_argv[i] != NULL; ++i) | |
1354 | { | |
1355 | if (! valid_user_defined_cmd_name_p (alias_argv[i])) | |
1356 | { | |
1357 | if (i == 0) | |
1358 | error (_("Invalid command name: %s"), alias_argv[i]); | |
1359 | else | |
1360 | error (_("Invalid command element name: %s"), alias_argv[i]); | |
1361 | } | |
1362 | } | |
1363 | ||
1364 | alias_argc = countargv (alias_argv); | |
1365 | command_argc = countargv (command_argv); | |
1366 | ||
1367 | /* COMMAND must exist. | |
1368 | Reconstruct the command to remove any extraneous spaces, | |
1369 | for better error messages. */ | |
1370 | command_dyn_string = argv_to_dyn_string (command_argv, command_argc); | |
1371 | make_cleanup_dyn_string_delete (command_dyn_string); | |
1372 | command = dyn_string_buf (command_dyn_string); | |
1373 | if (! valid_command_p (command)) | |
1374 | error (_("Invalid command to alias to: %s"), command); | |
1375 | ||
1376 | /* ALIAS must not exist. */ | |
1377 | alias_dyn_string = argv_to_dyn_string (alias_argv, alias_argc); | |
1378 | make_cleanup_dyn_string_delete (alias_dyn_string); | |
1379 | alias = dyn_string_buf (alias_dyn_string); | |
1380 | if (valid_command_p (alias)) | |
1381 | error (_("Alias already exists: %s"), alias); | |
1382 | ||
1383 | /* If ALIAS is one word, it is an alias for the entire COMMAND. | |
1384 | Example: alias spe = set print elements | |
1385 | ||
1386 | Otherwise ALIAS and COMMAND must have the same number of words, | |
1387 | and every word except the last must match; and the last word of | |
1388 | ALIAS is made an alias of the last word of COMMAND. | |
1389 | Example: alias set print elms = set pr elem | |
1390 | Note that unambiguous abbreviations are allowed. */ | |
1391 | ||
1392 | if (alias_argc == 1) | |
1393 | { | |
1394 | /* add_cmd requires *we* allocate space for name, hence the xstrdup. */ | |
1395 | add_com_alias (xstrdup (alias_argv[0]), command, class_alias, | |
1396 | abbrev_flag); | |
1397 | } | |
1398 | else | |
1399 | { | |
5a56e9c5 | 1400 | dyn_string_t alias_prefix_dyn_string, command_prefix_dyn_string; |
6f937416 | 1401 | const char *alias_prefix, *command_prefix; |
5a56e9c5 DE |
1402 | struct cmd_list_element *c_alias, *c_command; |
1403 | ||
1404 | if (alias_argc != command_argc) | |
1405 | error (_("Mismatched command length between ALIAS and COMMAND.")); | |
1406 | ||
1407 | /* Create copies of ALIAS and COMMAND without the last word, | |
1408 | and use that to verify the leading elements match. */ | |
1409 | alias_prefix_dyn_string = | |
1410 | argv_to_dyn_string (alias_argv, alias_argc - 1); | |
1411 | make_cleanup_dyn_string_delete (alias_prefix_dyn_string); | |
1412 | command_prefix_dyn_string = | |
1413 | argv_to_dyn_string (alias_argv, command_argc - 1); | |
1414 | make_cleanup_dyn_string_delete (command_prefix_dyn_string); | |
1415 | alias_prefix = dyn_string_buf (alias_prefix_dyn_string); | |
1416 | command_prefix = dyn_string_buf (command_prefix_dyn_string); | |
1417 | ||
1418 | c_command = lookup_cmd_1 (& command_prefix, cmdlist, NULL, 1); | |
1419 | /* We've already tried to look up COMMAND. */ | |
1420 | gdb_assert (c_command != NULL | |
1421 | && c_command != (struct cmd_list_element *) -1); | |
1422 | gdb_assert (c_command->prefixlist != NULL); | |
1423 | c_alias = lookup_cmd_1 (& alias_prefix, cmdlist, NULL, 1); | |
1424 | if (c_alias != c_command) | |
1425 | error (_("ALIAS and COMMAND prefixes do not match.")); | |
1426 | ||
1427 | /* add_cmd requires *we* allocate space for name, hence the xstrdup. */ | |
1428 | add_alias_cmd (xstrdup (alias_argv[alias_argc - 1]), | |
1429 | command_argv[command_argc - 1], | |
1430 | class_alias, abbrev_flag, c_command->prefixlist); | |
1431 | } | |
5b3fca71 TT |
1432 | |
1433 | do_cleanups (cleanup); | |
5a56e9c5 | 1434 | } |
d318976c | 1435 | \f |
0378c332 | 1436 | /* Print a list of files and line numbers which a user may choose from |
ebcd3b23 MS |
1437 | in order to list a function which was specified ambiguously (as |
1438 | with `list classname::overloadedfuncname', for example). The | |
1439 | vector in SALS provides the filenames and line numbers. */ | |
0378c332 FN |
1440 | |
1441 | static void | |
1442 | ambiguous_line_spec (struct symtabs_and_lines *sals) | |
1443 | { | |
1444 | int i; | |
1445 | ||
1446 | for (i = 0; i < sals->nelts; ++i) | |
a3f17187 | 1447 | printf_filtered (_("file: \"%s\", line number: %d\n"), |
05cba821 JK |
1448 | symtab_to_filename_for_display (sals->sals[i].symtab), |
1449 | sals->sals[i].line); | |
0378c332 FN |
1450 | } |
1451 | ||
f8eba3c6 TT |
1452 | /* Sort function for filter_sals. */ |
1453 | ||
1454 | static int | |
1455 | compare_symtabs (const void *a, const void *b) | |
1456 | { | |
1457 | const struct symtab_and_line *sala = a; | |
1458 | const struct symtab_and_line *salb = b; | |
1459 | int r; | |
1460 | ||
1461 | if (!sala->symtab->dirname) | |
1462 | { | |
1463 | if (salb->symtab->dirname) | |
1464 | return -1; | |
1465 | } | |
1466 | else if (!salb->symtab->dirname) | |
1467 | { | |
1468 | if (sala->symtab->dirname) | |
1469 | return 1; | |
1470 | } | |
1471 | else | |
1472 | { | |
1473 | r = filename_cmp (sala->symtab->dirname, salb->symtab->dirname); | |
1474 | if (r) | |
1475 | return r; | |
1476 | } | |
1477 | ||
1478 | r = filename_cmp (sala->symtab->filename, salb->symtab->filename); | |
1479 | if (r) | |
1480 | return r; | |
1481 | ||
1482 | if (sala->line < salb->line) | |
1483 | return -1; | |
1484 | return sala->line == salb->line ? 0 : 1; | |
1485 | } | |
1486 | ||
1487 | /* Remove any SALs that do not match the current program space, or | |
1488 | which appear to be "file:line" duplicates. */ | |
1489 | ||
1490 | static void | |
1491 | filter_sals (struct symtabs_and_lines *sals) | |
1492 | { | |
1493 | int i, out, prev; | |
1494 | ||
1495 | out = 0; | |
1496 | for (i = 0; i < sals->nelts; ++i) | |
1497 | { | |
1498 | if (sals->sals[i].pspace == current_program_space | |
ccbac09d | 1499 | && sals->sals[i].symtab != NULL) |
f8eba3c6 TT |
1500 | { |
1501 | sals->sals[out] = sals->sals[i]; | |
1502 | ++out; | |
1503 | } | |
1504 | } | |
1505 | sals->nelts = out; | |
1506 | ||
1507 | qsort (sals->sals, sals->nelts, sizeof (struct symtab_and_line), | |
1508 | compare_symtabs); | |
1509 | ||
1510 | out = 1; | |
1511 | prev = 0; | |
1512 | for (i = 1; i < sals->nelts; ++i) | |
1513 | { | |
1514 | if (compare_symtabs (&sals->sals[prev], &sals->sals[i])) | |
1515 | { | |
1516 | /* Symtabs differ. */ | |
1517 | sals->sals[out] = sals->sals[i]; | |
1518 | prev = out; | |
1519 | ++out; | |
1520 | } | |
1521 | } | |
f8eba3c6 TT |
1522 | |
1523 | if (sals->nelts == 0) | |
1524 | { | |
1525 | xfree (sals->sals); | |
1526 | sals->sals = NULL; | |
1527 | } | |
2f2e97fa TT |
1528 | else |
1529 | sals->nelts = out; | |
f8eba3c6 TT |
1530 | } |
1531 | ||
d318976c FN |
1532 | static void |
1533 | set_debug (char *arg, int from_tty) | |
1534 | { | |
9a2b4c1b MS |
1535 | printf_unfiltered (_("\"set debug\" must be followed by " |
1536 | "the name of a debug subcommand.\n")); | |
d318976c FN |
1537 | help_list (setdebuglist, "set debug ", -1, gdb_stdout); |
1538 | } | |
1539 | ||
1540 | static void | |
1541 | show_debug (char *args, int from_tty) | |
1542 | { | |
1543 | cmd_show_list (showdebuglist, from_tty, ""); | |
1544 | } | |
1545 | ||
1546 | void | |
1547 | init_cmd_lists (void) | |
1548 | { | |
20f01a46 | 1549 | max_user_call_depth = 1024; |
d318976c FN |
1550 | } |
1551 | ||
920d2a44 AC |
1552 | static void |
1553 | show_info_verbose (struct ui_file *file, int from_tty, | |
1554 | struct cmd_list_element *c, | |
1555 | const char *value) | |
1556 | { | |
1557 | if (info_verbose) | |
9a2b4c1b MS |
1558 | fprintf_filtered (file, |
1559 | _("Verbose printing of informational messages is %s.\n"), | |
1560 | value); | |
920d2a44 AC |
1561 | else |
1562 | fprintf_filtered (file, _("Verbosity is %s.\n"), value); | |
1563 | } | |
1564 | ||
1565 | static void | |
1566 | show_history_expansion_p (struct ui_file *file, int from_tty, | |
1567 | struct cmd_list_element *c, const char *value) | |
1568 | { | |
1569 | fprintf_filtered (file, _("History expansion on command input is %s.\n"), | |
1570 | value); | |
1571 | } | |
1572 | ||
920d2a44 AC |
1573 | static void |
1574 | show_remote_debug (struct ui_file *file, int from_tty, | |
1575 | struct cmd_list_element *c, const char *value) | |
1576 | { | |
1577 | fprintf_filtered (file, _("Debugging of remote protocol is %s.\n"), | |
1578 | value); | |
1579 | } | |
1580 | ||
1581 | static void | |
1582 | show_remote_timeout (struct ui_file *file, int from_tty, | |
1583 | struct cmd_list_element *c, const char *value) | |
1584 | { | |
9a2b4c1b MS |
1585 | fprintf_filtered (file, |
1586 | _("Timeout limit to wait for target to respond is %s.\n"), | |
920d2a44 AC |
1587 | value); |
1588 | } | |
1589 | ||
1590 | static void | |
1591 | show_max_user_call_depth (struct ui_file *file, int from_tty, | |
1592 | struct cmd_list_element *c, const char *value) | |
1593 | { | |
9a2b4c1b MS |
1594 | fprintf_filtered (file, |
1595 | _("The max call depth for user-defined commands is %s.\n"), | |
920d2a44 AC |
1596 | value); |
1597 | } | |
1598 | ||
d318976c | 1599 | \f |
43e4916f TT |
1600 | |
1601 | initialize_file_ftype _initialize_cli_cmds; | |
1602 | ||
d318976c | 1603 | void |
43e4916f | 1604 | _initialize_cli_cmds (void) |
d318976c FN |
1605 | { |
1606 | struct cmd_list_element *c; | |
1607 | ||
1608 | /* Define the classes of commands. | |
1bfeeb0f | 1609 | They will appear in the help list in alphabetical order. */ |
d318976c | 1610 | |
1a966eab AC |
1611 | add_cmd ("internals", class_maintenance, NULL, _("\ |
1612 | Maintenance commands.\n\ | |
d318976c FN |
1613 | Some gdb commands are provided just for use by gdb maintainers.\n\ |
1614 | These commands are subject to frequent change, and may not be as\n\ | |
1a966eab | 1615 | well documented as user commands."), |
d318976c | 1616 | &cmdlist); |
1a966eab | 1617 | add_cmd ("obscure", class_obscure, NULL, _("Obscure features."), &cmdlist); |
9a2b4c1b MS |
1618 | add_cmd ("aliases", class_alias, NULL, |
1619 | _("Aliases of other commands."), &cmdlist); | |
1a966eab AC |
1620 | add_cmd ("user-defined", class_user, NULL, _("\ |
1621 | User-defined commands.\n\ | |
d318976c | 1622 | The commands in this class are those defined by the user.\n\ |
1a966eab AC |
1623 | Use the \"define\" command to define a command."), &cmdlist); |
1624 | add_cmd ("support", class_support, NULL, _("Support facilities."), &cmdlist); | |
d318976c | 1625 | if (!dbx_commands) |
1a966eab AC |
1626 | add_cmd ("status", class_info, NULL, _("Status inquiries."), &cmdlist); |
1627 | add_cmd ("files", class_files, NULL, _("Specifying and examining files."), | |
1628 | &cmdlist); | |
1629 | add_cmd ("breakpoints", class_breakpoint, NULL, | |
1630 | _("Making program stop at certain points."), &cmdlist); | |
1631 | add_cmd ("data", class_vars, NULL, _("Examining data."), &cmdlist); | |
1632 | add_cmd ("stack", class_stack, NULL, _("\ | |
1633 | Examining the stack.\n\ | |
d318976c FN |
1634 | The stack is made up of stack frames. Gdb assigns numbers to stack frames\n\ |
1635 | counting from zero for the innermost (currently executing) frame.\n\n\ | |
1636 | At any time gdb identifies one frame as the \"selected\" frame.\n\ | |
1637 | Variable lookups are done with respect to the selected frame.\n\ | |
1638 | When the program being debugged stops, gdb selects the innermost frame.\n\ | |
1a966eab | 1639 | The commands below can be used to select other frames by number or address."), |
d318976c | 1640 | &cmdlist); |
1a966eab | 1641 | add_cmd ("running", class_run, NULL, _("Running the program."), &cmdlist); |
d318976c | 1642 | |
ebcd3b23 | 1643 | /* Define general commands. */ |
d318976c | 1644 | |
d729566a | 1645 | add_com ("pwd", class_files, pwd_command, _("\ |
1bedd215 | 1646 | Print working directory. This is used for your program as well.")); |
4f8d22e3 | 1647 | |
1a966eab AC |
1648 | c = add_cmd ("cd", class_files, cd_command, _("\ |
1649 | Set working directory to DIR for debugger and program being debugged.\n\ | |
d318976c | 1650 | The change does not take effect for the program being debugged\n\ |
1a966eab | 1651 | until the next time it is started."), &cmdlist); |
5ba2abeb | 1652 | set_cmd_completer (c, filename_completer); |
d318976c | 1653 | |
1bedd215 AC |
1654 | add_com ("echo", class_support, echo_command, _("\ |
1655 | Print a constant string. Give string as argument.\n\ | |
d318976c FN |
1656 | C escape sequences may be used in the argument.\n\ |
1657 | No newline is added at the end of the argument;\n\ | |
1658 | use \"\\n\" if you want a newline to be printed.\n\ | |
1659 | Since leading and trailing whitespace are ignored in command arguments,\n\ | |
1660 | if you want to print some you must use \"\\\" before leading whitespace\n\ | |
1bedd215 | 1661 | to be printed or after trailing whitespace.")); |
d318976c | 1662 | |
973817a3 JB |
1663 | add_setshow_enum_cmd ("script-extension", class_support, |
1664 | script_ext_enums, &script_ext_mode, _("\ | |
1665 | Set mode for script filename extension recognition."), _("\ | |
1666 | Show mode for script filename extension recognition."), _("\ | |
1667 | off == no filename extension recognition (all sourced files are GDB scripts)\n\ | |
1668 | soft == evaluate script according to filename extension, fallback to GDB script" | |
1669 | "\n\ | |
1670 | strict == evaluate script according to filename extension, error if not supported" | |
1671 | ), | |
1672 | NULL, | |
1673 | show_script_ext_mode, | |
1674 | &setlist, &showlist); | |
1675 | ||
1bedd215 AC |
1676 | add_com ("quit", class_support, quit_command, _("Exit gdb.")); |
1677 | c = add_com ("help", class_support, help_command, | |
1678 | _("Print list of commands.")); | |
5ba2abeb | 1679 | set_cmd_completer (c, command_completer); |
d318976c FN |
1680 | add_com_alias ("q", "quit", class_support, 1); |
1681 | add_com_alias ("h", "help", class_support, 1); | |
1682 | ||
5bf193a2 AC |
1683 | add_setshow_boolean_cmd ("verbose", class_support, &info_verbose, _("\ |
1684 | Set verbosity."), _("\ | |
1685 | Show verbosity."), NULL, | |
1686 | set_verbose, | |
920d2a44 | 1687 | show_info_verbose, |
5bf193a2 | 1688 | &setlist, &showlist); |
d318976c FN |
1689 | |
1690 | add_prefix_cmd ("history", class_support, set_history, | |
1bedd215 | 1691 | _("Generic command for setting command history parameters."), |
d318976c FN |
1692 | &sethistlist, "set history ", 0, &setlist); |
1693 | add_prefix_cmd ("history", class_support, show_history, | |
1bedd215 | 1694 | _("Generic command for showing command history parameters."), |
d318976c FN |
1695 | &showhistlist, "show history ", 0, &showlist); |
1696 | ||
5bf193a2 AC |
1697 | add_setshow_boolean_cmd ("expansion", no_class, &history_expansion_p, _("\ |
1698 | Set history expansion on command input."), _("\ | |
1699 | Show history expansion on command input."), _("\ | |
1700 | Without an argument, history expansion is enabled."), | |
1701 | NULL, | |
920d2a44 | 1702 | show_history_expansion_p, |
5bf193a2 | 1703 | &sethistlist, &showhistlist); |
d318976c | 1704 | |
d729566a | 1705 | add_prefix_cmd ("info", class_info, info_command, _("\ |
1bedd215 | 1706 | Generic command for showing things about the program being debugged."), |
d729566a | 1707 | &infolist, "info ", 0, &cmdlist); |
d318976c | 1708 | add_com_alias ("i", "info", class_info, 1); |
a177aad3 | 1709 | add_com_alias ("inf", "info", class_info, 1); |
d318976c FN |
1710 | |
1711 | add_com ("complete", class_obscure, complete_command, | |
1bedd215 | 1712 | _("List the completions for the rest of the line as a command.")); |
d318976c | 1713 | |
d729566a | 1714 | add_prefix_cmd ("show", class_info, show_command, _("\ |
700b53b1 | 1715 | Generic command for showing things about the debugger."), |
d729566a | 1716 | &showlist, "show ", 0, &cmdlist); |
d318976c | 1717 | /* Another way to get at the same thing. */ |
1bedd215 | 1718 | add_info ("set", show_command, _("Show all GDB settings.")); |
d318976c | 1719 | |
db5f229b | 1720 | add_cmd ("commands", no_set_class, show_commands, _("\ |
1a966eab | 1721 | Show the history of commands you typed.\n\ |
d318976c | 1722 | You can supply a command number to start with, or a `+' to start after\n\ |
1a966eab | 1723 | the previous command number shown."), |
d318976c FN |
1724 | &showlist); |
1725 | ||
db5f229b | 1726 | add_cmd ("version", no_set_class, show_version, |
1a966eab | 1727 | _("Show what version of GDB this is."), &showlist); |
d318976c | 1728 | |
6eaaf48b EZ |
1729 | add_cmd ("configuration", no_set_class, show_configuration, |
1730 | _("Show how GDB was configured at build time."), &showlist); | |
1731 | ||
85c07804 AC |
1732 | add_setshow_zinteger_cmd ("remote", no_class, &remote_debug, _("\ |
1733 | Set debugging of remote protocol."), _("\ | |
1734 | Show debugging of remote protocol."), _("\ | |
d318976c | 1735 | When enabled, each packet sent or received with the remote target\n\ |
85c07804 AC |
1736 | is displayed."), |
1737 | NULL, | |
920d2a44 | 1738 | show_remote_debug, |
85c07804 | 1739 | &setdebuglist, &showdebuglist); |
d318976c | 1740 | |
6fc1c773 YQ |
1741 | add_setshow_zuinteger_unlimited_cmd ("remotetimeout", no_class, |
1742 | &remote_timeout, _("\ | |
c0d88b1b AC |
1743 | Set timeout limit to wait for target to respond."), _("\ |
1744 | Show timeout limit to wait for target to respond."), _("\ | |
d318976c | 1745 | This value is used to set the time limit for gdb to wait for a response\n\ |
c0d88b1b | 1746 | from the target."), |
6fc1c773 YQ |
1747 | NULL, |
1748 | show_remote_timeout, | |
1749 | &setlist, &showlist); | |
d318976c FN |
1750 | |
1751 | add_prefix_cmd ("debug", no_class, set_debug, | |
1bedd215 | 1752 | _("Generic command for setting gdb debugging flags"), |
d318976c FN |
1753 | &setdebuglist, "set debug ", 0, &setlist); |
1754 | ||
1755 | add_prefix_cmd ("debug", no_class, show_debug, | |
1bedd215 | 1756 | _("Generic command for showing gdb debugging flags"), |
d318976c FN |
1757 | &showdebuglist, "show debug ", 0, &showlist); |
1758 | ||
1bedd215 AC |
1759 | c = add_com ("shell", class_support, shell_escape, _("\ |
1760 | Execute the rest of the line as a shell command.\n\ | |
1761 | With no arguments, run an inferior shell.")); | |
5ba2abeb | 1762 | set_cmd_completer (c, filename_completer); |
d318976c | 1763 | |
1bedd215 AC |
1764 | c = add_com ("edit", class_files, edit_command, _("\ |
1765 | Edit specified file or function.\n\ | |
0378c332 | 1766 | With no argument, edits file containing most recent line listed.\n\ |
0378c332 FN |
1767 | Editing targets can be specified in these ways:\n\ |
1768 | FILE:LINENUM, to edit at that line in that file,\n\ | |
1769 | FUNCTION, to edit at the beginning of that function,\n\ | |
1770 | FILE:FUNCTION, to distinguish among like-named static functions.\n\ | |
1771 | *ADDRESS, to edit at the line containing that address.\n\ | |
1bedd215 | 1772 | Uses EDITOR environment variable contents as editor (or ex as default).")); |
0378c332 FN |
1773 | |
1774 | c->completer = location_completer; | |
1775 | ||
1bedd215 AC |
1776 | add_com ("list", class_files, list_command, _("\ |
1777 | List specified function or line.\n\ | |
0378c332 FN |
1778 | With no argument, lists ten more lines after or around previous listing.\n\ |
1779 | \"list -\" lists the ten lines before a previous ten-line listing.\n\ | |
1780 | One argument specifies a line, and ten lines are listed around that line.\n\ | |
1781 | Two arguments with comma between specify starting and ending lines to list.\n\ | |
0378c332 FN |
1782 | Lines can be specified in these ways:\n\ |
1783 | LINENUM, to list around that line in current file,\n\ | |
1784 | FILE:LINENUM, to list around that line in that file,\n\ | |
1785 | FUNCTION, to list around beginning of that function,\n\ | |
1786 | FILE:FUNCTION, to distinguish among like-named static functions.\n\ | |
1787 | *ADDRESS, to list around the line containing that address.\n\ | |
9a2b4c1b MS |
1788 | With two args if one is empty it stands for ten lines away from \ |
1789 | the other arg.")); | |
0378c332 FN |
1790 | |
1791 | if (!xdb_commands) | |
1792 | add_com_alias ("l", "list", class_files, 1); | |
1793 | else | |
1794 | add_com_alias ("v", "list", class_files, 1); | |
1795 | ||
1796 | if (dbx_commands) | |
1797 | add_com_alias ("file", "list", class_files, 1); | |
1798 | ||
1bedd215 AC |
1799 | c = add_com ("disassemble", class_vars, disassemble_command, _("\ |
1800 | Disassemble a specified section of memory.\n\ | |
83c31e7d | 1801 | Default is the function surrounding the pc of the selected frame.\n\ |
d14508fe | 1802 | With a /m modifier, source lines are included (if available).\n\ |
e6158f16 | 1803 | With a /r modifier, raw instructions in hex are included.\n\ |
83c31e7d | 1804 | With a single argument, the function surrounding that address is dumped.\n\ |
53a71c06 | 1805 | Two arguments (separated by a comma) are taken as a range of memory to dump,\n\ |
7e1e0340 DE |
1806 | in the form of \"start,end\", or \"start,+length\".\n\ |
1807 | \n\ | |
1808 | Note that the address is interpreted as an expression, not as a location\n\ | |
1809 | like in the \"break\" command.\n\ | |
1810 | So, for example, if you want to disassemble function bar in file foo.c\n\ | |
1811 | you must type \"disassemble 'foo.c'::bar\" and not \"disassemble foo.c:bar\".")); | |
83c31e7d FN |
1812 | set_cmd_completer (c, location_completer); |
1813 | if (xdb_commands) | |
1814 | add_com_alias ("va", "disassemble", class_xdb, 0); | |
0378c332 | 1815 | |
ed59ded5 | 1816 | add_com_alias ("!", "shell", class_support, 0); |
d318976c | 1817 | |
1bedd215 AC |
1818 | c = add_com ("make", class_support, make_command, _("\ |
1819 | Run the ``make'' program using the rest of the line as arguments.")); | |
5ba2abeb | 1820 | set_cmd_completer (c, filename_completer); |
1a966eab | 1821 | add_cmd ("user", no_class, show_user, _("\ |
7d74f244 | 1822 | Show definitions of non-python user defined commands.\n\ |
d318976c | 1823 | Argument is the name of the user defined command.\n\ |
1a966eab | 1824 | With no argument, show definitions of all user defined commands."), &showlist); |
1bedd215 AC |
1825 | add_com ("apropos", class_support, apropos_command, |
1826 | _("Search for commands matching a REGEXP")); | |
20f01a46 | 1827 | |
883b9c6c | 1828 | add_setshow_uinteger_cmd ("max-user-call-depth", no_class, |
c0d88b1b | 1829 | &max_user_call_depth, _("\ |
7d74f244 DE |
1830 | Set the max call depth for non-python user-defined commands."), _("\ |
1831 | Show the max call depth for non-python user-defined commands."), NULL, | |
883b9c6c YQ |
1832 | NULL, |
1833 | show_max_user_call_depth, | |
1834 | &setlist, &showlist); | |
16026cd7 AS |
1835 | |
1836 | add_setshow_boolean_cmd ("trace-commands", no_class, &trace_commands, _("\ | |
1837 | Set tracing of GDB CLI commands."), _("\ | |
1838 | Show state of GDB CLI command tracing."), _("\ | |
1839 | When 'on', each command is displayed as it is executed."), | |
1840 | NULL, | |
1841 | NULL, | |
1842 | &setlist, &showlist); | |
5a56e9c5 DE |
1843 | |
1844 | c = add_com ("alias", class_support, alias_command, _("\ | |
1845 | Define a new command that is an alias of an existing command.\n\ | |
1846 | Usage: alias [-a] [--] ALIAS = COMMAND\n\ | |
1847 | ALIAS is the name of the alias command to create.\n\ | |
1848 | COMMAND is the command being aliased to.\n\ | |
1849 | If \"-a\" is specified, the command is an abbreviation,\n\ | |
1850 | and will not appear in help command list output.\n\ | |
1851 | \n\ | |
1852 | Examples:\n\ | |
1853 | Make \"spe\" an alias of \"set print elements\":\n\ | |
1854 | alias spe = set print elements\n\ | |
1855 | Make \"elms\" an alias of \"elements\" in the \"set print\" command:\n\ | |
1856 | alias -a set print elms = set print elements")); | |
d318976c | 1857 | } |
43e4916f TT |
1858 | |
1859 | void | |
1860 | init_cli_cmds (void) | |
1861 | { | |
1862 | struct cmd_list_element *c; | |
1863 | char *source_help_text; | |
1864 | ||
1865 | source_help_text = xstrprintf (_("\ | |
1866 | Read commands from a file named FILE.\n\ | |
1867 | \n\ | |
1868 | Usage: source [-s] [-v] FILE\n\ | |
1869 | -s: search for the script in the source search path,\n\ | |
1870 | even if FILE contains directories.\n\ | |
1871 | -v: each command in FILE is echoed as it is executed.\n\ | |
1872 | \n\ | |
1873 | Note that the file \"%s\" is read automatically in this way\n\ | |
1874 | when GDB is started."), gdbinit); | |
1875 | c = add_cmd ("source", class_support, source_command, | |
1876 | source_help_text, &cmdlist); | |
1877 | set_cmd_completer (c, filename_completer); | |
1878 | } |