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d318976c | 1 | /* GDB CLI commands. |
8926118c | 2 | |
28e7fd62 | 3 | Copyright (C) 2000-2013 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. */ | |
5f8a3188 | 30 | #include "gdb_string.h" |
325ed089 | 31 | #include "gdb_vfork.h" |
0378c332 FN |
32 | #include "linespec.h" |
33 | #include "expression.h" | |
83c31e7d FN |
34 | #include "frame.h" |
35 | #include "value.h" | |
0378c332 | 36 | #include "language.h" |
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" |
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 | |
973817a3 JB |
52 | #include "python/python.h" |
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 toggle subcommands. */ |
d318976c FN |
119 | |
120 | struct cmd_list_element *togglelist; | |
121 | ||
ebcd3b23 | 122 | /* Chain containing all defined stop subcommands. */ |
d318976c FN |
123 | |
124 | struct cmd_list_element *stoplist; | |
125 | ||
ebcd3b23 | 126 | /* Chain containing all defined delete subcommands. */ |
d318976c FN |
127 | |
128 | struct cmd_list_element *deletelist; | |
129 | ||
ebcd3b23 | 130 | /* Chain containing all defined detach subcommands. */ |
f73adfeb AS |
131 | |
132 | struct cmd_list_element *detachlist; | |
133 | ||
ebcd3b23 | 134 | /* Chain containing all defined kill subcommands. */ |
2277426b PA |
135 | |
136 | struct cmd_list_element *killlist; | |
137 | ||
d318976c FN |
138 | /* Chain containing all defined set subcommands */ |
139 | ||
140 | struct cmd_list_element *setlist; | |
141 | ||
142 | /* Chain containing all defined unset subcommands */ | |
143 | ||
144 | struct cmd_list_element *unsetlist; | |
145 | ||
146 | /* Chain containing all defined show subcommands. */ | |
147 | ||
148 | struct cmd_list_element *showlist; | |
149 | ||
150 | /* Chain containing all defined \"set history\". */ | |
151 | ||
152 | struct cmd_list_element *sethistlist; | |
153 | ||
154 | /* Chain containing all defined \"show history\". */ | |
155 | ||
156 | struct cmd_list_element *showhistlist; | |
157 | ||
158 | /* Chain containing all defined \"unset history\". */ | |
159 | ||
160 | struct cmd_list_element *unsethistlist; | |
161 | ||
ebcd3b23 | 162 | /* Chain containing all defined maintenance subcommands. */ |
d318976c FN |
163 | |
164 | struct cmd_list_element *maintenancelist; | |
165 | ||
ebcd3b23 | 166 | /* Chain containing all defined "maintenance info" subcommands. */ |
d318976c FN |
167 | |
168 | struct cmd_list_element *maintenanceinfolist; | |
169 | ||
ebcd3b23 | 170 | /* Chain containing all defined "maintenance print" subcommands. */ |
d318976c FN |
171 | |
172 | struct cmd_list_element *maintenanceprintlist; | |
173 | ||
174 | struct cmd_list_element *setprintlist; | |
175 | ||
176 | struct cmd_list_element *showprintlist; | |
177 | ||
178 | struct cmd_list_element *setdebuglist; | |
179 | ||
180 | struct cmd_list_element *showdebuglist; | |
181 | ||
182 | struct cmd_list_element *setchecklist; | |
183 | ||
184 | struct cmd_list_element *showchecklist; | |
16026cd7 AS |
185 | |
186 | /* Command tracing state. */ | |
187 | ||
188 | int source_verbose = 0; | |
189 | int trace_commands = 0; | |
d318976c | 190 | \f |
973817a3 JB |
191 | /* 'script-extension' option support. */ |
192 | ||
193 | static const char script_ext_off[] = "off"; | |
194 | static const char script_ext_soft[] = "soft"; | |
195 | static const char script_ext_strict[] = "strict"; | |
196 | ||
40478521 | 197 | static const char *const script_ext_enums[] = { |
973817a3 JB |
198 | script_ext_off, |
199 | script_ext_soft, | |
200 | script_ext_strict, | |
201 | NULL | |
202 | }; | |
203 | ||
204 | static const char *script_ext_mode = script_ext_soft; | |
205 | \f | |
d318976c | 206 | /* Utility used everywhere when at least one argument is needed and |
ebcd3b23 | 207 | none is supplied. */ |
d318976c FN |
208 | |
209 | void | |
210 | error_no_arg (char *why) | |
211 | { | |
8a3fe4f8 | 212 | error (_("Argument required (%s)."), why); |
d318976c FN |
213 | } |
214 | ||
215 | /* The "info" command is defined as a prefix, with allow_unknown = 0. | |
ebcd3b23 MS |
216 | Therefore, its own definition is called only for "info" with no |
217 | args. */ | |
d318976c | 218 | |
d318976c FN |
219 | static void |
220 | info_command (char *arg, int from_tty) | |
221 | { | |
9a2b4c1b MS |
222 | printf_unfiltered (_("\"info\" must be followed by " |
223 | "the name of an info command.\n")); | |
d318976c FN |
224 | help_list (infolist, "info ", -1, gdb_stdout); |
225 | } | |
226 | ||
227 | /* The "show" command with no arguments shows all the settings. */ | |
228 | ||
d318976c FN |
229 | static void |
230 | show_command (char *arg, int from_tty) | |
231 | { | |
232 | cmd_show_list (showlist, from_tty, ""); | |
233 | } | |
234 | \f | |
235 | /* Provide documentation on command or list given by COMMAND. FROM_TTY | |
236 | is ignored. */ | |
237 | ||
d318976c FN |
238 | static void |
239 | help_command (char *command, int from_tty) | |
240 | { | |
241 | help_cmd (command, gdb_stdout); | |
242 | } | |
243 | \f | |
244 | /* The "complete" command is used by Emacs to implement completion. */ | |
245 | ||
d318976c FN |
246 | static void |
247 | complete_command (char *arg, int from_tty) | |
248 | { | |
d318976c | 249 | int argpoint; |
49c4e619 TT |
250 | char *point, *arg_prefix; |
251 | VEC (char_ptr) *completions; | |
d318976c FN |
252 | |
253 | dont_repeat (); | |
254 | ||
255 | if (arg == NULL) | |
256 | arg = ""; | |
257 | argpoint = strlen (arg); | |
258 | ||
ebcd3b23 MS |
259 | /* complete_line assumes that its first argument is somewhere |
260 | within, and except for filenames at the beginning of, the word to | |
261 | be completed. The following crude imitation of readline's | |
262 | word-breaking tries to accomodate this. */ | |
d9b52655 DJ |
263 | point = arg + argpoint; |
264 | while (point > arg) | |
265 | { | |
266 | if (strchr (rl_completer_word_break_characters, point[-1]) != 0) | |
267 | break; | |
268 | point--; | |
269 | } | |
270 | ||
271 | arg_prefix = alloca (point - arg + 1); | |
272 | memcpy (arg_prefix, arg, point - arg); | |
273 | arg_prefix[point - arg] = 0; | |
274 | ||
275 | completions = complete_line (point, arg, argpoint); | |
83d31a92 TT |
276 | |
277 | if (completions) | |
d318976c | 278 | { |
49c4e619 TT |
279 | int ix, size = VEC_length (char_ptr, completions); |
280 | char *item, *prev = NULL; | |
83d31a92 | 281 | |
49c4e619 TT |
282 | qsort (VEC_address (char_ptr, completions), size, |
283 | sizeof (char *), compare_strings); | |
83d31a92 TT |
284 | |
285 | /* We do extra processing here since we only want to print each | |
286 | unique item once. */ | |
49c4e619 | 287 | for (ix = 0; VEC_iterate (char_ptr, completions, ix, item); ++ix) |
83d31a92 | 288 | { |
49c4e619 | 289 | if (prev == NULL || strcmp (item, prev) != 0) |
83d31a92 | 290 | { |
49c4e619 TT |
291 | printf_unfiltered ("%s%s\n", arg_prefix, item); |
292 | xfree (prev); | |
293 | prev = item; | |
83d31a92 | 294 | } |
49c4e619 TT |
295 | else |
296 | xfree (item); | |
83d31a92 TT |
297 | } |
298 | ||
49c4e619 TT |
299 | xfree (prev); |
300 | VEC_free (char_ptr, completions); | |
d318976c FN |
301 | } |
302 | } | |
303 | ||
bbaca940 AC |
304 | int |
305 | is_complete_command (struct cmd_list_element *c) | |
d318976c | 306 | { |
bbaca940 | 307 | return cmd_cfunc_eq (c, complete_command); |
d318976c FN |
308 | } |
309 | ||
d318976c FN |
310 | static void |
311 | show_version (char *args, int from_tty) | |
312 | { | |
d318976c FN |
313 | print_gdb_version (gdb_stdout); |
314 | printf_filtered ("\n"); | |
d318976c FN |
315 | } |
316 | ||
317 | /* Handle the quit command. */ | |
318 | ||
319 | void | |
320 | quit_command (char *args, int from_tty) | |
321 | { | |
322 | if (!quit_confirm ()) | |
8a3fe4f8 | 323 | error (_("Not confirmed.")); |
d5551862 | 324 | |
33da3f1c | 325 | disconnect_tracing (from_tty); |
d5551862 | 326 | |
d318976c FN |
327 | quit_force (args, from_tty); |
328 | } | |
329 | ||
d318976c FN |
330 | static void |
331 | pwd_command (char *args, int from_tty) | |
332 | { | |
333 | if (args) | |
8a3fe4f8 | 334 | error (_("The \"pwd\" command does not take an argument: %s"), args); |
bf1d7d9c JB |
335 | if (! getcwd (gdb_dirbuf, sizeof (gdb_dirbuf))) |
336 | error (_("Error finding name of working directory: %s"), | |
337 | safe_strerror (errno)); | |
d318976c | 338 | |
6314a349 | 339 | if (strcmp (gdb_dirbuf, current_directory) != 0) |
a3f17187 | 340 | printf_unfiltered (_("Working directory %s\n (canonically %s).\n"), |
d318976c FN |
341 | current_directory, gdb_dirbuf); |
342 | else | |
a3f17187 | 343 | printf_unfiltered (_("Working directory %s.\n"), current_directory); |
d318976c FN |
344 | } |
345 | ||
346 | void | |
347 | cd_command (char *dir, int from_tty) | |
348 | { | |
349 | int len; | |
350 | /* Found something other than leading repetitions of "/..". */ | |
351 | int found_real_path; | |
352 | char *p; | |
353 | ||
354 | /* If the new directory is absolute, repeat is a no-op; if relative, | |
355 | repeat might be useful but is more likely to be a mistake. */ | |
356 | dont_repeat (); | |
357 | ||
358 | if (dir == 0) | |
f3c8a52a | 359 | dir = "~"; |
d318976c FN |
360 | |
361 | dir = tilde_expand (dir); | |
b8c9b27d | 362 | make_cleanup (xfree, dir); |
d318976c FN |
363 | |
364 | if (chdir (dir) < 0) | |
365 | perror_with_name (dir); | |
366 | ||
c3690141 | 367 | #ifdef HAVE_DOS_BASED_FILE_SYSTEM |
d318976c FN |
368 | /* There's too much mess with DOSish names like "d:", "d:.", |
369 | "d:./foo" etc. Instead of having lots of special #ifdef'ed code, | |
370 | simply get the canonicalized name of the current directory. */ | |
371 | dir = getcwd (gdb_dirbuf, sizeof (gdb_dirbuf)); | |
372 | #endif | |
373 | ||
374 | len = strlen (dir); | |
fe4e3eb8 | 375 | if (IS_DIR_SEPARATOR (dir[len - 1])) |
d318976c FN |
376 | { |
377 | /* Remove the trailing slash unless this is a root directory | |
378 | (including a drive letter on non-Unix systems). */ | |
379 | if (!(len == 1) /* "/" */ | |
c3690141 | 380 | #ifdef HAVE_DOS_BASED_FILE_SYSTEM |
fe4e3eb8 | 381 | && !(len == 3 && dir[1] == ':') /* "d:/" */ |
d318976c FN |
382 | #endif |
383 | ) | |
384 | len--; | |
385 | } | |
386 | ||
387 | dir = savestring (dir, len); | |
fe4e3eb8 | 388 | if (IS_ABSOLUTE_PATH (dir)) |
d318976c FN |
389 | current_directory = dir; |
390 | else | |
391 | { | |
fe4e3eb8 | 392 | if (IS_DIR_SEPARATOR (current_directory[strlen (current_directory) - 1])) |
1754f103 | 393 | current_directory = concat (current_directory, dir, (char *)NULL); |
d318976c | 394 | else |
1754f103 MK |
395 | current_directory = concat (current_directory, SLASH_STRING, |
396 | dir, (char *)NULL); | |
b8c9b27d | 397 | xfree (dir); |
d318976c FN |
398 | } |
399 | ||
400 | /* Now simplify any occurrences of `.' and `..' in the pathname. */ | |
401 | ||
402 | found_real_path = 0; | |
403 | for (p = current_directory; *p;) | |
404 | { | |
fe4e3eb8 EZ |
405 | if (IS_DIR_SEPARATOR (p[0]) && p[1] == '.' |
406 | && (p[2] == 0 || IS_DIR_SEPARATOR (p[2]))) | |
b2a3b509 | 407 | memmove (p, p + 2, strlen (p + 2) + 1); |
fe4e3eb8 EZ |
408 | else if (IS_DIR_SEPARATOR (p[0]) && p[1] == '.' && p[2] == '.' |
409 | && (p[3] == 0 || IS_DIR_SEPARATOR (p[3]))) | |
d318976c FN |
410 | { |
411 | if (found_real_path) | |
412 | { | |
413 | /* Search backwards for the directory just before the "/.." | |
414 | and obliterate it and the "/..". */ | |
415 | char *q = p; | |
cdb27c12 | 416 | |
fe4e3eb8 | 417 | while (q != current_directory && !IS_DIR_SEPARATOR (q[-1])) |
d318976c FN |
418 | --q; |
419 | ||
420 | if (q == current_directory) | |
421 | /* current_directory is | |
422 | a relative pathname ("can't happen"--leave it alone). */ | |
423 | ++p; | |
424 | else | |
425 | { | |
b2a3b509 | 426 | memmove (q - 1, p + 3, strlen (p + 3) + 1); |
d318976c FN |
427 | p = q - 1; |
428 | } | |
429 | } | |
430 | else | |
ebcd3b23 MS |
431 | /* We are dealing with leading repetitions of "/..", for |
432 | example "/../..", which is the Mach super-root. */ | |
d318976c FN |
433 | p += 3; |
434 | } | |
435 | else | |
436 | { | |
437 | found_real_path = 1; | |
438 | ++p; | |
439 | } | |
440 | } | |
441 | ||
442 | forget_cached_source_info (); | |
443 | ||
444 | if (from_tty) | |
445 | pwd_command ((char *) 0, 1); | |
446 | } | |
447 | \f | |
973817a3 JB |
448 | /* Show the current value of the 'script-extension' option. */ |
449 | ||
450 | static void | |
451 | show_script_ext_mode (struct ui_file *file, int from_tty, | |
452 | struct cmd_list_element *c, const char *value) | |
d318976c | 453 | { |
9a2b4c1b MS |
454 | fprintf_filtered (file, |
455 | _("Script filename extension recognition is \"%s\".\n"), | |
973817a3 JB |
456 | value); |
457 | } | |
458 | ||
3f7b2faa DE |
459 | /* Try to open SCRIPT_FILE. |
460 | If successful, the full path name is stored in *FULL_PATHP, | |
461 | the stream is stored in *STREAMP, and return 1. | |
462 | The caller is responsible for freeing *FULL_PATHP. | |
463 | If not successful, return 0; errno is set for the last file | |
464 | we tried to open. | |
465 | ||
466 | If SEARCH_PATH is non-zero, and the file isn't found in cwd, | |
f5b95b50 | 467 | search for it in the source search path. */ |
3f7b2faa | 468 | |
8a1ea21f | 469 | int |
3f7b2faa DE |
470 | find_and_open_script (const char *script_file, int search_path, |
471 | FILE **streamp, char **full_pathp) | |
973817a3 | 472 | { |
3f7b2faa | 473 | char *file; |
4b505b12 | 474 | int fd; |
973817a3 | 475 | struct cleanup *old_cleanups; |
3f7b2faa | 476 | int search_flags = OPF_TRY_CWD_FIRST; |
d318976c | 477 | |
3f7b2faa | 478 | file = tilde_expand (script_file); |
b8c9b27d | 479 | old_cleanups = make_cleanup (xfree, file); |
d318976c | 480 | |
3f7b2faa DE |
481 | if (search_path) |
482 | search_flags |= OPF_SEARCH_IN_PATH; | |
4b505b12 | 483 | |
3f7b2faa DE |
484 | /* Search for and open 'file' on the search path used for source |
485 | files. Put the full location in *FULL_PATHP. */ | |
486 | fd = openp (source_path, search_flags, | |
487 | file, O_RDONLY, full_pathp); | |
4b505b12 AS |
488 | |
489 | if (fd == -1) | |
d318976c | 490 | { |
3f7b2faa DE |
491 | int save_errno = errno; |
492 | do_cleanups (old_cleanups); | |
493 | errno = save_errno; | |
494 | return 0; | |
d318976c FN |
495 | } |
496 | ||
3f7b2faa | 497 | do_cleanups (old_cleanups); |
973817a3 | 498 | |
3f7b2faa | 499 | *streamp = fdopen (fd, FOPEN_RT); |
77a35dd8 JK |
500 | if (*streamp == NULL) |
501 | { | |
502 | int save_errno = errno; | |
503 | ||
504 | close (fd); | |
505 | if (full_pathp) | |
506 | xfree (*full_pathp); | |
507 | errno = save_errno; | |
508 | return 0; | |
509 | } | |
510 | ||
973817a3 JB |
511 | return 1; |
512 | } | |
513 | ||
86eb7e95 | 514 | /* Load script FILE, which has already been opened as STREAM. */ |
973817a3 | 515 | |
3f7b2faa DE |
516 | static void |
517 | source_script_from_stream (FILE *stream, const char *file) | |
518 | { | |
973817a3 JB |
519 | if (script_ext_mode != script_ext_off |
520 | && strlen (file) > 3 && !strcmp (&file[strlen (file) - 3], ".py")) | |
521 | { | |
522 | volatile struct gdb_exception e; | |
523 | ||
524 | TRY_CATCH (e, RETURN_MASK_ERROR) | |
525 | { | |
4c63965b | 526 | source_python_script (stream, file); |
973817a3 JB |
527 | } |
528 | if (e.reason < 0) | |
529 | { | |
530 | /* Should we fallback to ye olde GDB script mode? */ | |
531 | if (script_ext_mode == script_ext_soft | |
532 | && e.reason == RETURN_ERROR && e.error == UNSUPPORTED_ERROR) | |
533 | { | |
3f7b2faa DE |
534 | fseek (stream, 0, SEEK_SET); |
535 | script_from_file (stream, (char*) file); | |
973817a3 JB |
536 | } |
537 | else | |
3f7b2faa DE |
538 | { |
539 | /* Nope, just punt. */ | |
3f7b2faa DE |
540 | throw_exception (e); |
541 | } | |
973817a3 JB |
542 | } |
543 | } | |
544 | else | |
545 | script_from_file (stream, file); | |
3f7b2faa | 546 | } |
d318976c | 547 | |
3f7b2faa DE |
548 | /* Worker to perform the "source" command. |
549 | Load script FILE. | |
550 | If SEARCH_PATH is non-zero, and the file isn't found in cwd, | |
551 | search for it in the source search path. */ | |
552 | ||
553 | static void | |
554 | source_script_with_search (const char *file, int from_tty, int search_path) | |
555 | { | |
556 | FILE *stream; | |
557 | char *full_path; | |
558 | struct cleanup *old_cleanups; | |
559 | ||
560 | if (file == NULL || *file == 0) | |
561 | error (_("source command requires file name of file to source.")); | |
562 | ||
563 | if (!find_and_open_script (file, search_path, &stream, &full_path)) | |
564 | { | |
d234ef5c | 565 | /* The script wasn't found, or was otherwise inaccessible. |
ebcd3b23 MS |
566 | If the source command was invoked interactively, throw an |
567 | error. Otherwise (e.g. if it was invoked by a script), | |
568 | silently ignore the error. */ | |
3f7b2faa DE |
569 | if (from_tty) |
570 | perror_with_name (file); | |
571 | else | |
572 | return; | |
573 | } | |
574 | ||
575 | old_cleanups = make_cleanup (xfree, full_path); | |
86eb7e95 | 576 | make_cleanup_fclose (stream); |
d234ef5c DE |
577 | /* The python support reopens the file, so we need to pass full_path here |
578 | in case the file was found on the search path. It's useful to do this | |
579 | anyway so that error messages show the actual file used. But only do | |
580 | this if we (may have) used search_path, as printing the full path in | |
581 | errors for the non-search case can be more noise than signal. */ | |
582 | source_script_from_stream (stream, search_path ? full_path : file); | |
d318976c FN |
583 | do_cleanups (old_cleanups); |
584 | } | |
585 | ||
3f7b2faa DE |
586 | /* Wrapper around source_script_with_search to export it to main.c |
587 | for use in loading .gdbinit scripts. */ | |
588 | ||
589 | void | |
590 | source_script (char *file, int from_tty) | |
591 | { | |
592 | source_script_with_search (file, from_tty, 0); | |
593 | } | |
594 | ||
16026cd7 AS |
595 | /* Return the source_verbose global variable to its previous state |
596 | on exit from the source command, by whatever means. */ | |
597 | static void | |
598 | source_verbose_cleanup (void *old_value) | |
599 | { | |
600 | source_verbose = *(int *)old_value; | |
601 | xfree (old_value); | |
602 | } | |
603 | ||
604 | static void | |
605 | source_command (char *args, int from_tty) | |
606 | { | |
607 | struct cleanup *old_cleanups; | |
608 | char *file = args; | |
609 | int *old_source_verbose = xmalloc (sizeof(int)); | |
3f7b2faa | 610 | int search_path = 0; |
16026cd7 AS |
611 | |
612 | *old_source_verbose = source_verbose; | |
ebcd3b23 MS |
613 | old_cleanups = make_cleanup (source_verbose_cleanup, |
614 | old_source_verbose); | |
16026cd7 AS |
615 | |
616 | /* -v causes the source command to run in verbose mode. | |
3f7b2faa DE |
617 | -s causes the file to be searched in the source search path, |
618 | even if the file name contains a '/'. | |
16026cd7 AS |
619 | We still have to be able to handle filenames with spaces in a |
620 | backward compatible way, so buildargv is not appropriate. */ | |
621 | ||
622 | if (args) | |
623 | { | |
3f7b2faa | 624 | while (args[0] != '\0') |
16026cd7 | 625 | { |
ebcd3b23 MS |
626 | /* Make sure leading white space does not break the |
627 | comparisons. */ | |
529480d0 | 628 | args = skip_spaces (args); |
3f7b2faa DE |
629 | |
630 | if (args[0] != '-') | |
631 | break; | |
632 | ||
633 | if (args[1] == 'v' && isspace (args[2])) | |
634 | { | |
635 | source_verbose = 1; | |
636 | ||
637 | /* Skip passed -v. */ | |
638 | args = &args[3]; | |
639 | } | |
640 | else if (args[1] == 's' && isspace (args[2])) | |
641 | { | |
642 | search_path = 1; | |
16026cd7 | 643 | |
3f7b2faa DE |
644 | /* Skip passed -s. */ |
645 | args = &args[3]; | |
646 | } | |
647 | else | |
648 | break; | |
16026cd7 | 649 | } |
3f7b2faa | 650 | |
529480d0 | 651 | file = skip_spaces (args); |
16026cd7 AS |
652 | } |
653 | ||
3f7b2faa | 654 | source_script_with_search (file, from_tty, search_path); |
96e39866 DE |
655 | |
656 | do_cleanups (old_cleanups); | |
16026cd7 AS |
657 | } |
658 | ||
659 | ||
d318976c FN |
660 | static void |
661 | echo_command (char *text, int from_tty) | |
662 | { | |
663 | char *p = text; | |
d5b5ac79 | 664 | int c; |
d318976c FN |
665 | |
666 | if (text) | |
667 | while ((c = *p++) != '\0') | |
668 | { | |
669 | if (c == '\\') | |
670 | { | |
671 | /* \ at end of argument is used after spaces | |
672 | so they won't be lost. */ | |
673 | if (*p == 0) | |
674 | return; | |
675 | ||
f870a310 | 676 | c = parse_escape (get_current_arch (), &p); |
d318976c FN |
677 | if (c >= 0) |
678 | printf_filtered ("%c", c); | |
679 | } | |
680 | else | |
681 | printf_filtered ("%c", c); | |
682 | } | |
683 | ||
684 | /* Force this output to appear now. */ | |
685 | wrap_here (""); | |
686 | gdb_flush (gdb_stdout); | |
687 | } | |
688 | ||
d318976c FN |
689 | static void |
690 | shell_escape (char *arg, int from_tty) | |
691 | { | |
9b265ec2 MM |
692 | #if defined(CANT_FORK) || \ |
693 | (!defined(HAVE_WORKING_VFORK) && !defined(HAVE_WORKING_FORK)) | |
d318976c FN |
694 | /* If ARG is NULL, they want an inferior shell, but `system' just |
695 | reports if the shell is available when passed a NULL arg. */ | |
696 | int rc = system (arg ? arg : ""); | |
697 | ||
698 | if (!arg) | |
699 | arg = "inferior shell"; | |
700 | ||
701 | if (rc == -1) | |
702 | { | |
703 | fprintf_unfiltered (gdb_stderr, "Cannot execute %s: %s\n", arg, | |
704 | safe_strerror (errno)); | |
705 | gdb_flush (gdb_stderr); | |
706 | } | |
707 | else if (rc) | |
708 | { | |
709 | fprintf_unfiltered (gdb_stderr, "%s exited with status %d\n", arg, rc); | |
710 | gdb_flush (gdb_stderr); | |
711 | } | |
2584159e | 712 | #ifdef GLOBAL_CURDIR |
ebcd3b23 MS |
713 | /* Make sure to return to the directory GDB thinks it is, in case |
714 | the shell command we just ran changed it. */ | |
d318976c FN |
715 | chdir (current_directory); |
716 | #endif | |
717 | #else /* Can fork. */ | |
5be4dfca | 718 | int status, pid; |
d318976c | 719 | |
325ed089 | 720 | if ((pid = vfork ()) == 0) |
d318976c | 721 | { |
9f37bbcc | 722 | const char *p, *user_shell; |
30e94205 DJ |
723 | |
724 | if ((user_shell = (char *) getenv ("SHELL")) == NULL) | |
725 | user_shell = "/bin/sh"; | |
726 | ||
ebcd3b23 | 727 | /* Get the name of the shell for arg0. */ |
9f37bbcc | 728 | p = lbasename (user_shell); |
30e94205 | 729 | |
d318976c | 730 | if (!arg) |
36662fde | 731 | execl (user_shell, p, (char *) 0); |
d318976c | 732 | else |
36662fde | 733 | execl (user_shell, p, "-c", arg, (char *) 0); |
d318976c FN |
734 | |
735 | fprintf_unfiltered (gdb_stderr, "Cannot execute %s: %s\n", user_shell, | |
736 | safe_strerror (errno)); | |
737 | gdb_flush (gdb_stderr); | |
738 | _exit (0177); | |
739 | } | |
740 | ||
741 | if (pid != -1) | |
5be4dfca | 742 | waitpid (pid, &status, 0); |
d318976c | 743 | else |
8a3fe4f8 | 744 | error (_("Fork failed")); |
d318976c FN |
745 | #endif /* Can fork. */ |
746 | } | |
747 | ||
0378c332 FN |
748 | static void |
749 | edit_command (char *arg, int from_tty) | |
750 | { | |
751 | struct symtabs_and_lines sals; | |
752 | struct symtab_and_line sal; | |
753 | struct symbol *sym; | |
754 | char *arg1; | |
0378c332 | 755 | char *editor; |
0b0865da TT |
756 | char *p; |
757 | const char *fn; | |
0378c332 | 758 | |
d5529a84 | 759 | /* Pull in the current default source line if necessary. */ |
0378c332 | 760 | if (arg == 0) |
53cb0458 FN |
761 | { |
762 | set_default_source_symtab_and_line (); | |
763 | sal = get_current_source_symtab_and_line (); | |
764 | } | |
0378c332 | 765 | |
ebcd3b23 | 766 | /* Bare "edit" edits file with present line. */ |
0378c332 FN |
767 | |
768 | if (arg == 0) | |
769 | { | |
770 | if (sal.symtab == 0) | |
8a3fe4f8 | 771 | error (_("No default source file yet.")); |
0378c332 FN |
772 | sal.line += get_lines_to_list () / 2; |
773 | } | |
774 | else | |
775 | { | |
d5529a84 | 776 | /* Now should only be one argument -- decode it in SAL. */ |
0378c332 FN |
777 | |
778 | arg1 = arg; | |
f8eba3c6 | 779 | sals = decode_line_1 (&arg1, DECODE_LINE_LIST_MODE, 0, 0); |
0378c332 | 780 | |
f8eba3c6 | 781 | filter_sals (&sals); |
d5529a84 TT |
782 | if (! sals.nelts) |
783 | { | |
784 | /* C++ */ | |
785 | return; | |
786 | } | |
787 | if (sals.nelts > 1) | |
788 | { | |
789 | ambiguous_line_spec (&sals); | |
790 | xfree (sals.sals); | |
791 | return; | |
792 | } | |
0378c332 FN |
793 | |
794 | sal = sals.sals[0]; | |
795 | xfree (sals.sals); | |
796 | ||
797 | if (*arg1) | |
8a3fe4f8 | 798 | error (_("Junk at end of line specification.")); |
0378c332 | 799 | |
ebcd3b23 MS |
800 | /* If line was specified by address, first print exactly which |
801 | line, and which file. In this case, sal.symtab == 0 means | |
802 | address is outside of all known source files, not that user | |
803 | failed to give a filename. */ | |
0378c332 FN |
804 | if (*arg == '*') |
805 | { | |
5af949e3 | 806 | struct gdbarch *gdbarch; |
cdb27c12 | 807 | |
0378c332 FN |
808 | if (sal.symtab == 0) |
809 | /* FIXME-32x64--assumes sal.pc fits in long. */ | |
8a3fe4f8 | 810 | error (_("No source file for address %s."), |
bb599908 | 811 | hex_string ((unsigned long) sal.pc)); |
5af949e3 UW |
812 | |
813 | gdbarch = get_objfile_arch (sal.symtab->objfile); | |
0378c332 FN |
814 | sym = find_pc_function (sal.pc); |
815 | if (sym) | |
5af949e3 UW |
816 | printf_filtered ("%s is in %s (%s:%d).\n", |
817 | paddress (gdbarch, sal.pc), | |
818 | SYMBOL_PRINT_NAME (sym), | |
05cba821 JK |
819 | symtab_to_filename_for_display (sal.symtab), |
820 | sal.line); | |
0378c332 | 821 | else |
5af949e3 UW |
822 | printf_filtered ("%s is at %s:%d.\n", |
823 | paddress (gdbarch, sal.pc), | |
05cba821 JK |
824 | symtab_to_filename_for_display (sal.symtab), |
825 | sal.line); | |
0378c332 FN |
826 | } |
827 | ||
ebcd3b23 MS |
828 | /* If what was given does not imply a symtab, it must be an |
829 | undebuggable symbol which means no source code. */ | |
0378c332 FN |
830 | |
831 | if (sal.symtab == 0) | |
8a3fe4f8 | 832 | error (_("No line number known for %s."), arg); |
0378c332 FN |
833 | } |
834 | ||
835 | if ((editor = (char *) getenv ("EDITOR")) == NULL) | |
836 | editor = "/bin/ex"; | |
a955ca71 | 837 | |
f35a17b5 | 838 | fn = symtab_to_fullname (sal.symtab); |
0378c332 | 839 | |
a955ca71 EZ |
840 | /* Quote the file name, in case it has whitespace or other special |
841 | characters. */ | |
842 | p = xstrprintf ("%s +%d \"%s\"", editor, sal.line, fn); | |
d5529a84 TT |
843 | shell_escape (p, from_tty); |
844 | xfree (p); | |
0378c332 FN |
845 | } |
846 | ||
847 | static void | |
848 | list_command (char *arg, int from_tty) | |
849 | { | |
850 | struct symtabs_and_lines sals, sals_end; | |
245c7f48 DJ |
851 | struct symtab_and_line sal = { 0 }; |
852 | struct symtab_and_line sal_end = { 0 }; | |
853 | struct symtab_and_line cursal = { 0 }; | |
0378c332 FN |
854 | struct symbol *sym; |
855 | char *arg1; | |
856 | int no_end = 1; | |
857 | int dummy_end = 0; | |
858 | int dummy_beg = 0; | |
859 | int linenum_beg = 0; | |
860 | char *p; | |
861 | ||
ebcd3b23 | 862 | /* Pull in the current default source line if necessary. */ |
0378c332 | 863 | if (arg == 0 || arg[0] == '+' || arg[0] == '-') |
53cb0458 FN |
864 | { |
865 | set_default_source_symtab_and_line (); | |
866 | cursal = get_current_source_symtab_and_line (); | |
867 | } | |
0378c332 FN |
868 | |
869 | /* "l" or "l +" lists next ten lines. */ | |
870 | ||
6314a349 | 871 | if (arg == 0 || strcmp (arg, "+") == 0) |
0378c332 FN |
872 | { |
873 | print_source_lines (cursal.symtab, cursal.line, | |
874 | cursal.line + get_lines_to_list (), 0); | |
875 | return; | |
876 | } | |
877 | ||
ebcd3b23 MS |
878 | /* "l -" lists previous ten lines, the ones before the ten just |
879 | listed. */ | |
6314a349 | 880 | if (strcmp (arg, "-") == 0) |
0378c332 FN |
881 | { |
882 | print_source_lines (cursal.symtab, | |
9a2b4c1b MS |
883 | max (get_first_line_listed () |
884 | - get_lines_to_list (), 1), | |
0378c332 FN |
885 | get_first_line_listed (), 0); |
886 | return; | |
887 | } | |
888 | ||
889 | /* Now if there is only one argument, decode it in SAL | |
890 | and set NO_END. | |
891 | If there are two arguments, decode them in SAL and SAL_END | |
892 | and clear NO_END; however, if one of the arguments is blank, | |
893 | set DUMMY_BEG or DUMMY_END to record that fact. */ | |
894 | ||
895 | if (!have_full_symbols () && !have_partial_symbols ()) | |
8a3fe4f8 | 896 | error (_("No symbol table is loaded. Use the \"file\" command.")); |
0378c332 FN |
897 | |
898 | arg1 = arg; | |
899 | if (*arg1 == ',') | |
900 | dummy_beg = 1; | |
901 | else | |
902 | { | |
f8eba3c6 | 903 | sals = decode_line_1 (&arg1, DECODE_LINE_LIST_MODE, 0, 0); |
0378c332 | 904 | |
f8eba3c6 | 905 | filter_sals (&sals); |
0378c332 FN |
906 | if (!sals.nelts) |
907 | return; /* C++ */ | |
908 | if (sals.nelts > 1) | |
909 | { | |
910 | ambiguous_line_spec (&sals); | |
911 | xfree (sals.sals); | |
912 | return; | |
913 | } | |
914 | ||
915 | sal = sals.sals[0]; | |
916 | xfree (sals.sals); | |
917 | } | |
918 | ||
919 | /* Record whether the BEG arg is all digits. */ | |
920 | ||
921 | for (p = arg; p != arg1 && *p >= '0' && *p <= '9'; p++); | |
922 | linenum_beg = (p == arg1); | |
923 | ||
924 | while (*arg1 == ' ' || *arg1 == '\t') | |
925 | arg1++; | |
926 | if (*arg1 == ',') | |
927 | { | |
928 | no_end = 0; | |
929 | arg1++; | |
930 | while (*arg1 == ' ' || *arg1 == '\t') | |
931 | arg1++; | |
932 | if (*arg1 == 0) | |
933 | dummy_end = 1; | |
934 | else | |
935 | { | |
936 | if (dummy_beg) | |
f8eba3c6 | 937 | sals_end = decode_line_1 (&arg1, DECODE_LINE_LIST_MODE, 0, 0); |
0378c332 | 938 | else |
f8eba3c6 TT |
939 | sals_end = decode_line_1 (&arg1, DECODE_LINE_LIST_MODE, |
940 | sal.symtab, sal.line); | |
4979d7f0 | 941 | filter_sals (&sals_end); |
0378c332 FN |
942 | if (sals_end.nelts == 0) |
943 | return; | |
944 | if (sals_end.nelts > 1) | |
945 | { | |
946 | ambiguous_line_spec (&sals_end); | |
947 | xfree (sals_end.sals); | |
948 | return; | |
949 | } | |
950 | sal_end = sals_end.sals[0]; | |
951 | xfree (sals_end.sals); | |
952 | } | |
953 | } | |
954 | ||
955 | if (*arg1) | |
8a3fe4f8 | 956 | error (_("Junk at end of line specification.")); |
0378c332 FN |
957 | |
958 | if (!no_end && !dummy_beg && !dummy_end | |
959 | && sal.symtab != sal_end.symtab) | |
8a3fe4f8 | 960 | error (_("Specified start and end are in different files.")); |
0378c332 | 961 | if (dummy_beg && dummy_end) |
8a3fe4f8 | 962 | error (_("Two empty args do not say what lines to list.")); |
0378c332 | 963 | |
ebcd3b23 | 964 | /* If line was specified by address, |
0378c332 | 965 | first print exactly which line, and which file. |
ebcd3b23 MS |
966 | |
967 | In this case, sal.symtab == 0 means address is outside of all | |
968 | known source files, not that user failed to give a filename. */ | |
0378c332 FN |
969 | if (*arg == '*') |
970 | { | |
5af949e3 | 971 | struct gdbarch *gdbarch; |
cdb27c12 | 972 | |
0378c332 FN |
973 | if (sal.symtab == 0) |
974 | /* FIXME-32x64--assumes sal.pc fits in long. */ | |
8a3fe4f8 | 975 | error (_("No source file for address %s."), |
bb599908 | 976 | hex_string ((unsigned long) sal.pc)); |
5af949e3 UW |
977 | |
978 | gdbarch = get_objfile_arch (sal.symtab->objfile); | |
0378c332 FN |
979 | sym = find_pc_function (sal.pc); |
980 | if (sym) | |
50ee7535 | 981 | printf_filtered ("%s is in %s (%s:%d).\n", |
5af949e3 UW |
982 | paddress (gdbarch, sal.pc), |
983 | SYMBOL_PRINT_NAME (sym), | |
05cba821 | 984 | symtab_to_filename_for_display (sal.symtab), sal.line); |
0378c332 | 985 | else |
5af949e3 UW |
986 | printf_filtered ("%s is at %s:%d.\n", |
987 | paddress (gdbarch, sal.pc), | |
05cba821 | 988 | symtab_to_filename_for_display (sal.symtab), sal.line); |
0378c332 FN |
989 | } |
990 | ||
ebcd3b23 MS |
991 | /* If line was not specified by just a line number, and it does not |
992 | imply a symtab, it must be an undebuggable symbol which means no | |
993 | source code. */ | |
0378c332 FN |
994 | |
995 | if (!linenum_beg && sal.symtab == 0) | |
8a3fe4f8 | 996 | error (_("No line number known for %s."), arg); |
0378c332 FN |
997 | |
998 | /* If this command is repeated with RET, | |
999 | turn it into the no-arg variant. */ | |
1000 | ||
1001 | if (from_tty) | |
1002 | *arg = 0; | |
1003 | ||
1004 | if (dummy_beg && sal_end.symtab == 0) | |
8a3fe4f8 | 1005 | error (_("No default source file yet. Do \"help list\".")); |
0378c332 FN |
1006 | if (dummy_beg) |
1007 | print_source_lines (sal_end.symtab, | |
1008 | max (sal_end.line - (get_lines_to_list () - 1), 1), | |
1009 | sal_end.line + 1, 0); | |
1010 | else if (sal.symtab == 0) | |
8a3fe4f8 | 1011 | error (_("No default source file yet. Do \"help list\".")); |
0378c332 FN |
1012 | else if (no_end) |
1013 | { | |
1014 | int first_line = sal.line - get_lines_to_list () / 2; | |
1015 | ||
1016 | if (first_line < 1) first_line = 1; | |
1017 | ||
1018 | print_source_lines (sal.symtab, | |
1019 | first_line, | |
1020 | first_line + get_lines_to_list (), | |
1021 | 0); | |
1022 | } | |
1023 | else | |
1024 | print_source_lines (sal.symtab, sal.line, | |
1025 | (dummy_end | |
1026 | ? sal.line + get_lines_to_list () | |
1027 | : sal_end.line + 1), | |
1028 | 0); | |
1029 | } | |
1030 | ||
d14508fe DE |
1031 | /* Subroutine of disassemble_command to simplify it. |
1032 | Perform the disassembly. | |
1033 | NAME is the name of the function if known, or NULL. | |
1034 | [LOW,HIGH) are the range of addresses to disassemble. | |
1035 | MIXED is non-zero to print source with the assembler. */ | |
1036 | ||
1037 | static void | |
13274fc3 | 1038 | print_disassembly (struct gdbarch *gdbarch, const char *name, |
e6158f16 | 1039 | CORE_ADDR low, CORE_ADDR high, int flags) |
d14508fe DE |
1040 | { |
1041 | #if defined(TUI) | |
1042 | if (!tui_is_window_visible (DISASSEM_WIN)) | |
1043 | #endif | |
1044 | { | |
1045 | printf_filtered ("Dump of assembler code "); | |
1046 | if (name != NULL) | |
1047 | printf_filtered ("for function %s:\n", name); | |
1048 | else | |
5af949e3 UW |
1049 | printf_filtered ("from %s to %s:\n", |
1050 | paddress (gdbarch, low), paddress (gdbarch, high)); | |
d14508fe DE |
1051 | |
1052 | /* Dump the specified range. */ | |
79a45e25 | 1053 | gdb_disassembly (gdbarch, current_uiout, 0, flags, -1, low, high); |
d14508fe DE |
1054 | |
1055 | printf_filtered ("End of assembler dump.\n"); | |
1056 | gdb_flush (gdb_stdout); | |
1057 | } | |
1058 | #if defined(TUI) | |
1059 | else | |
1060 | { | |
13274fc3 | 1061 | tui_show_assembly (gdbarch, low); |
d14508fe DE |
1062 | } |
1063 | #endif | |
1064 | } | |
1065 | ||
1066 | /* Subroutine of disassemble_command to simplify it. | |
9c419145 | 1067 | Print a disassembly of the current function according to FLAGS. */ |
d14508fe DE |
1068 | |
1069 | static void | |
e6158f16 | 1070 | disassemble_current_function (int flags) |
d14508fe | 1071 | { |
13274fc3 UW |
1072 | struct frame_info *frame; |
1073 | struct gdbarch *gdbarch; | |
d14508fe | 1074 | CORE_ADDR low, high, pc; |
2c02bd72 | 1075 | const char *name; |
d14508fe | 1076 | |
13274fc3 UW |
1077 | frame = get_selected_frame (_("No frame selected.")); |
1078 | gdbarch = get_frame_arch (frame); | |
9bf4bce9 | 1079 | pc = get_frame_address_in_block (frame); |
d14508fe DE |
1080 | if (find_pc_partial_function (pc, &name, &low, &high) == 0) |
1081 | error (_("No function contains program counter for selected frame.")); | |
1082 | #if defined(TUI) | |
1083 | /* NOTE: cagney/2003-02-13 The `tui_active' was previously | |
1084 | `tui_version'. */ | |
1085 | if (tui_active) | |
1086 | /* FIXME: cagney/2004-02-07: This should be an observer. */ | |
13274fc3 | 1087 | low = tui_get_low_disassembly_address (gdbarch, low, pc); |
d14508fe | 1088 | #endif |
13274fc3 | 1089 | low += gdbarch_deprecated_function_start_offset (gdbarch); |
d14508fe | 1090 | |
e6158f16 | 1091 | print_disassembly (gdbarch, name, low, high, flags); |
d14508fe DE |
1092 | } |
1093 | ||
1094 | /* Dump a specified section of assembly code. | |
1095 | ||
1096 | Usage: | |
e6158f16 | 1097 | disassemble [/mr] |
d14508fe | 1098 | - dump the assembly code for the function of the current pc |
e6158f16 | 1099 | disassemble [/mr] addr |
d14508fe | 1100 | - dump the assembly code for the function at ADDR |
53a71c06 CR |
1101 | disassemble [/mr] low,high |
1102 | disassemble [/mr] low,+length | |
1103 | - dump the assembly code in the range [LOW,HIGH), or [LOW,LOW+length) | |
d14508fe | 1104 | |
e6158f16 HZ |
1105 | A /m modifier will include source code with the assembly. |
1106 | A /r modifier will include raw instructions in hex with the assembly. */ | |
83c31e7d | 1107 | |
83c31e7d FN |
1108 | static void |
1109 | disassemble_command (char *arg, int from_tty) | |
1110 | { | |
13274fc3 | 1111 | struct gdbarch *gdbarch = get_current_arch (); |
83c31e7d | 1112 | CORE_ADDR low, high; |
2c02bd72 | 1113 | const char *name; |
d36fc00b | 1114 | CORE_ADDR pc; |
e6158f16 | 1115 | int flags; |
bbc13ae3 | 1116 | const char *p; |
83c31e7d | 1117 | |
bbc13ae3 | 1118 | p = arg; |
83c31e7d | 1119 | name = NULL; |
e6158f16 | 1120 | flags = 0; |
d14508fe | 1121 | |
bbc13ae3 | 1122 | if (p && *p == '/') |
83c31e7d | 1123 | { |
bbc13ae3 | 1124 | ++p; |
d14508fe | 1125 | |
bbc13ae3 | 1126 | if (*p == '\0') |
d14508fe DE |
1127 | error (_("Missing modifier.")); |
1128 | ||
bbc13ae3 | 1129 | while (*p && ! isspace (*p)) |
d14508fe | 1130 | { |
bbc13ae3 | 1131 | switch (*p++) |
d14508fe DE |
1132 | { |
1133 | case 'm': | |
e6158f16 HZ |
1134 | flags |= DISASSEMBLY_SOURCE; |
1135 | break; | |
1136 | case 'r': | |
1137 | flags |= DISASSEMBLY_RAW_INSN; | |
d14508fe DE |
1138 | break; |
1139 | default: | |
1140 | error (_("Invalid disassembly modifier.")); | |
1141 | } | |
1142 | } | |
1143 | ||
bbc13ae3 | 1144 | p = skip_spaces_const (p); |
d14508fe DE |
1145 | } |
1146 | ||
bbc13ae3 | 1147 | if (! p || ! *p) |
d14508fe | 1148 | { |
9c419145 | 1149 | flags |= DISASSEMBLY_OMIT_FNAME; |
e6158f16 | 1150 | disassemble_current_function (flags); |
d14508fe | 1151 | return; |
83c31e7d | 1152 | } |
d14508fe | 1153 | |
bbc13ae3 KS |
1154 | pc = value_as_address (parse_to_comma_and_eval (&p)); |
1155 | if (p[0] == ',') | |
1156 | ++p; | |
1157 | if (p[0] == '\0') | |
83c31e7d FN |
1158 | { |
1159 | /* One argument. */ | |
83c31e7d | 1160 | if (find_pc_partial_function (pc, &name, &low, &high) == 0) |
8a3fe4f8 | 1161 | error (_("No function contains specified address.")); |
83c31e7d | 1162 | #if defined(TUI) |
021e7609 AC |
1163 | /* NOTE: cagney/2003-02-13 The `tui_active' was previously |
1164 | `tui_version'. */ | |
22940a24 AC |
1165 | if (tui_active) |
1166 | /* FIXME: cagney/2004-02-07: This should be an observer. */ | |
13274fc3 | 1167 | low = tui_get_low_disassembly_address (gdbarch, low, pc); |
83c31e7d | 1168 | #endif |
13274fc3 | 1169 | low += gdbarch_deprecated_function_start_offset (gdbarch); |
9c419145 | 1170 | flags |= DISASSEMBLY_OMIT_FNAME; |
83c31e7d FN |
1171 | } |
1172 | else | |
1173 | { | |
1174 | /* Two arguments. */ | |
53a71c06 | 1175 | int incl_flag = 0; |
21a0512e | 1176 | low = pc; |
bbc13ae3 KS |
1177 | p = skip_spaces_const (p); |
1178 | if (p[0] == '+') | |
53a71c06 | 1179 | { |
bbc13ae3 | 1180 | ++p; |
53a71c06 CR |
1181 | incl_flag = 1; |
1182 | } | |
bbc13ae3 | 1183 | high = parse_and_eval_address (p); |
53a71c06 CR |
1184 | if (incl_flag) |
1185 | high += low; | |
83c31e7d FN |
1186 | } |
1187 | ||
e6158f16 | 1188 | print_disassembly (gdbarch, name, low, high, flags); |
83c31e7d FN |
1189 | } |
1190 | ||
d318976c FN |
1191 | static void |
1192 | make_command (char *arg, int from_tty) | |
1193 | { | |
1194 | char *p; | |
1195 | ||
1196 | if (arg == 0) | |
1197 | p = "make"; | |
1198 | else | |
1199 | { | |
1200 | p = xmalloc (sizeof ("make ") + strlen (arg)); | |
1201 | strcpy (p, "make "); | |
1202 | strcpy (p + sizeof ("make ") - 1, arg); | |
1203 | } | |
1204 | ||
1205 | shell_escape (p, from_tty); | |
1206 | } | |
1207 | ||
d318976c FN |
1208 | static void |
1209 | show_user (char *args, int from_tty) | |
1210 | { | |
1211 | struct cmd_list_element *c; | |
1212 | extern struct cmd_list_element *cmdlist; | |
1213 | ||
1214 | if (args) | |
1215 | { | |
6f937416 | 1216 | const char *comname = args; |
cdb27c12 | 1217 | |
adb483fe | 1218 | c = lookup_cmd (&comname, cmdlist, "", 0, 1); |
7d74f244 DE |
1219 | /* c->user_commands would be NULL if it's a python command. */ |
1220 | if (c->class != class_user || !c->user_commands) | |
8a3fe4f8 | 1221 | error (_("Not a user command.")); |
adb483fe | 1222 | show_user_1 (c, "", args, gdb_stdout); |
d318976c FN |
1223 | } |
1224 | else | |
1225 | { | |
1226 | for (c = cmdlist; c; c = c->next) | |
1227 | { | |
adb483fe DJ |
1228 | if (c->class == class_user || c->prefixlist != NULL) |
1229 | show_user_1 (c, "", c->name, gdb_stdout); | |
d318976c FN |
1230 | } |
1231 | } | |
1232 | } | |
1233 | ||
1234 | /* Search through names of commands and documentations for a certain | |
ebcd3b23 MS |
1235 | regular expression. */ |
1236 | ||
c419cfba | 1237 | static void |
d318976c FN |
1238 | apropos_command (char *searchstr, int from_tty) |
1239 | { | |
d318976c | 1240 | regex_t pattern; |
dc92e161 | 1241 | int code; |
cdb27c12 | 1242 | |
d318976c | 1243 | if (searchstr == NULL) |
f55af66d | 1244 | error (_("REGEXP string is empty")); |
d318976c | 1245 | |
dc92e161 TT |
1246 | code = regcomp (&pattern, searchstr, REG_ICASE); |
1247 | if (code == 0) | |
1248 | { | |
1249 | struct cleanup *cleanups; | |
1250 | ||
1251 | cleanups = make_regfree_cleanup (&pattern); | |
1252 | apropos_cmd (gdb_stdout, cmdlist, &pattern, ""); | |
1253 | do_cleanups (cleanups); | |
1254 | } | |
d318976c FN |
1255 | else |
1256 | { | |
dc92e161 TT |
1257 | char *err = get_regcomp_error (code, &pattern); |
1258 | ||
1259 | make_cleanup (xfree, err); | |
1260 | error (_("Error in regular expression: %s"), err); | |
d318976c | 1261 | } |
d318976c | 1262 | } |
5a56e9c5 DE |
1263 | |
1264 | /* Subroutine of alias_command to simplify it. | |
1265 | Return the first N elements of ARGV flattened back to a string | |
1266 | with a space separating each element. | |
1267 | ARGV may not be NULL. | |
1268 | This does not take care of quoting elements in case they contain spaces | |
1269 | on purpose. */ | |
1270 | ||
1271 | static dyn_string_t | |
1272 | argv_to_dyn_string (char **argv, int n) | |
1273 | { | |
1274 | int i; | |
1275 | dyn_string_t result = dyn_string_new (10); | |
1276 | ||
1277 | gdb_assert (argv != NULL); | |
1278 | gdb_assert (n >= 0 && n <= countargv (argv)); | |
1279 | ||
1280 | for (i = 0; i < n; ++i) | |
1281 | { | |
1282 | if (i > 0) | |
1283 | dyn_string_append_char (result, ' '); | |
1284 | dyn_string_append_cstr (result, argv[i]); | |
1285 | } | |
1286 | ||
1287 | return result; | |
1288 | } | |
1289 | ||
1290 | /* Subroutine of alias_command to simplify it. | |
1291 | Return TRUE if COMMAND exists, unambiguously. Otherwise FALSE. */ | |
1292 | ||
1293 | static int | |
6f937416 | 1294 | valid_command_p (const char *command) |
5a56e9c5 DE |
1295 | { |
1296 | struct cmd_list_element *c; | |
1297 | ||
1298 | c = lookup_cmd_1 (& command, cmdlist, NULL, 1); | |
1299 | ||
1300 | if (c == NULL || c == (struct cmd_list_element *) -1) | |
1301 | return FALSE; | |
1302 | ||
1303 | /* This is the slightly tricky part. | |
1304 | lookup_cmd_1 will return a pointer to the last part of COMMAND | |
1305 | to match, leaving COMMAND pointing at the remainder. */ | |
1306 | while (*command == ' ' || *command == '\t') | |
1307 | ++command; | |
1308 | return *command == '\0'; | |
1309 | } | |
1310 | ||
1311 | /* Make an alias of an existing command. */ | |
1312 | ||
1313 | static void | |
1314 | alias_command (char *args, int from_tty) | |
1315 | { | |
1316 | int i, alias_argc, command_argc; | |
1317 | int abbrev_flag = 0; | |
1318 | char *args2, *equals, *alias, *command; | |
1319 | char **alias_argv, **command_argv; | |
1320 | dyn_string_t alias_dyn_string, command_dyn_string; | |
5a56e9c5 DE |
1321 | static const char usage[] = N_("Usage: alias [-a] [--] ALIAS = COMMAND"); |
1322 | ||
1323 | if (args == NULL || strchr (args, '=') == NULL) | |
1324 | error (_(usage)); | |
1325 | ||
1326 | args2 = xstrdup (args); | |
1327 | make_cleanup (xfree, args2); | |
1328 | equals = strchr (args2, '='); | |
1329 | *equals = '\0'; | |
1330 | alias_argv = gdb_buildargv (args2); | |
1331 | make_cleanup_freeargv (alias_argv); | |
1332 | command_argv = gdb_buildargv (equals + 1); | |
1333 | make_cleanup_freeargv (command_argv); | |
1334 | ||
1335 | for (i = 0; alias_argv[i] != NULL; ) | |
1336 | { | |
1337 | if (strcmp (alias_argv[i], "-a") == 0) | |
1338 | { | |
1339 | ++alias_argv; | |
1340 | abbrev_flag = 1; | |
1341 | } | |
1342 | else if (strcmp (alias_argv[i], "--") == 0) | |
1343 | { | |
1344 | ++alias_argv; | |
1345 | break; | |
1346 | } | |
1347 | else | |
1348 | break; | |
1349 | } | |
1350 | ||
1351 | if (alias_argv[0] == NULL || command_argv[0] == NULL | |
1352 | || *alias_argv[0] == '\0' || *command_argv[0] == '\0') | |
1353 | error (_(usage)); | |
1354 | ||
1355 | for (i = 0; alias_argv[i] != NULL; ++i) | |
1356 | { | |
1357 | if (! valid_user_defined_cmd_name_p (alias_argv[i])) | |
1358 | { | |
1359 | if (i == 0) | |
1360 | error (_("Invalid command name: %s"), alias_argv[i]); | |
1361 | else | |
1362 | error (_("Invalid command element name: %s"), alias_argv[i]); | |
1363 | } | |
1364 | } | |
1365 | ||
1366 | alias_argc = countargv (alias_argv); | |
1367 | command_argc = countargv (command_argv); | |
1368 | ||
1369 | /* COMMAND must exist. | |
1370 | Reconstruct the command to remove any extraneous spaces, | |
1371 | for better error messages. */ | |
1372 | command_dyn_string = argv_to_dyn_string (command_argv, command_argc); | |
1373 | make_cleanup_dyn_string_delete (command_dyn_string); | |
1374 | command = dyn_string_buf (command_dyn_string); | |
1375 | if (! valid_command_p (command)) | |
1376 | error (_("Invalid command to alias to: %s"), command); | |
1377 | ||
1378 | /* ALIAS must not exist. */ | |
1379 | alias_dyn_string = argv_to_dyn_string (alias_argv, alias_argc); | |
1380 | make_cleanup_dyn_string_delete (alias_dyn_string); | |
1381 | alias = dyn_string_buf (alias_dyn_string); | |
1382 | if (valid_command_p (alias)) | |
1383 | error (_("Alias already exists: %s"), alias); | |
1384 | ||
1385 | /* If ALIAS is one word, it is an alias for the entire COMMAND. | |
1386 | Example: alias spe = set print elements | |
1387 | ||
1388 | Otherwise ALIAS and COMMAND must have the same number of words, | |
1389 | and every word except the last must match; and the last word of | |
1390 | ALIAS is made an alias of the last word of COMMAND. | |
1391 | Example: alias set print elms = set pr elem | |
1392 | Note that unambiguous abbreviations are allowed. */ | |
1393 | ||
1394 | if (alias_argc == 1) | |
1395 | { | |
1396 | /* add_cmd requires *we* allocate space for name, hence the xstrdup. */ | |
1397 | add_com_alias (xstrdup (alias_argv[0]), command, class_alias, | |
1398 | abbrev_flag); | |
1399 | } | |
1400 | else | |
1401 | { | |
5a56e9c5 | 1402 | dyn_string_t alias_prefix_dyn_string, command_prefix_dyn_string; |
6f937416 | 1403 | const char *alias_prefix, *command_prefix; |
5a56e9c5 DE |
1404 | struct cmd_list_element *c_alias, *c_command; |
1405 | ||
1406 | if (alias_argc != command_argc) | |
1407 | error (_("Mismatched command length between ALIAS and COMMAND.")); | |
1408 | ||
1409 | /* Create copies of ALIAS and COMMAND without the last word, | |
1410 | and use that to verify the leading elements match. */ | |
1411 | alias_prefix_dyn_string = | |
1412 | argv_to_dyn_string (alias_argv, alias_argc - 1); | |
1413 | make_cleanup_dyn_string_delete (alias_prefix_dyn_string); | |
1414 | command_prefix_dyn_string = | |
1415 | argv_to_dyn_string (alias_argv, command_argc - 1); | |
1416 | make_cleanup_dyn_string_delete (command_prefix_dyn_string); | |
1417 | alias_prefix = dyn_string_buf (alias_prefix_dyn_string); | |
1418 | command_prefix = dyn_string_buf (command_prefix_dyn_string); | |
1419 | ||
1420 | c_command = lookup_cmd_1 (& command_prefix, cmdlist, NULL, 1); | |
1421 | /* We've already tried to look up COMMAND. */ | |
1422 | gdb_assert (c_command != NULL | |
1423 | && c_command != (struct cmd_list_element *) -1); | |
1424 | gdb_assert (c_command->prefixlist != NULL); | |
1425 | c_alias = lookup_cmd_1 (& alias_prefix, cmdlist, NULL, 1); | |
1426 | if (c_alias != c_command) | |
1427 | error (_("ALIAS and COMMAND prefixes do not match.")); | |
1428 | ||
1429 | /* add_cmd requires *we* allocate space for name, hence the xstrdup. */ | |
1430 | add_alias_cmd (xstrdup (alias_argv[alias_argc - 1]), | |
1431 | command_argv[command_argc - 1], | |
1432 | class_alias, abbrev_flag, c_command->prefixlist); | |
1433 | } | |
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 DH |
1549 | max_user_call_depth = 1024; |
1550 | ||
d318976c FN |
1551 | cmdlist = NULL; |
1552 | infolist = NULL; | |
1553 | enablelist = NULL; | |
1554 | disablelist = NULL; | |
1555 | togglelist = NULL; | |
1556 | stoplist = NULL; | |
1557 | deletelist = NULL; | |
f73adfeb | 1558 | detachlist = NULL; |
d318976c FN |
1559 | setlist = NULL; |
1560 | unsetlist = NULL; | |
1561 | showlist = NULL; | |
1562 | sethistlist = NULL; | |
1563 | showhistlist = NULL; | |
1564 | unsethistlist = NULL; | |
1565 | maintenancelist = NULL; | |
1566 | maintenanceinfolist = NULL; | |
1567 | maintenanceprintlist = NULL; | |
1568 | setprintlist = NULL; | |
1569 | showprintlist = NULL; | |
1570 | setchecklist = NULL; | |
1571 | showchecklist = NULL; | |
1572 | } | |
1573 | ||
920d2a44 AC |
1574 | static void |
1575 | show_info_verbose (struct ui_file *file, int from_tty, | |
1576 | struct cmd_list_element *c, | |
1577 | const char *value) | |
1578 | { | |
1579 | if (info_verbose) | |
9a2b4c1b MS |
1580 | fprintf_filtered (file, |
1581 | _("Verbose printing of informational messages is %s.\n"), | |
1582 | value); | |
920d2a44 AC |
1583 | else |
1584 | fprintf_filtered (file, _("Verbosity is %s.\n"), value); | |
1585 | } | |
1586 | ||
1587 | static void | |
1588 | show_history_expansion_p (struct ui_file *file, int from_tty, | |
1589 | struct cmd_list_element *c, const char *value) | |
1590 | { | |
1591 | fprintf_filtered (file, _("History expansion on command input is %s.\n"), | |
1592 | value); | |
1593 | } | |
1594 | ||
1595 | static void | |
1596 | show_baud_rate (struct ui_file *file, int from_tty, | |
1597 | struct cmd_list_element *c, const char *value) | |
1598 | { | |
1599 | fprintf_filtered (file, _("Baud rate for remote serial I/O is %s.\n"), | |
1600 | value); | |
1601 | } | |
1602 | ||
1603 | static void | |
1604 | show_remote_debug (struct ui_file *file, int from_tty, | |
1605 | struct cmd_list_element *c, const char *value) | |
1606 | { | |
1607 | fprintf_filtered (file, _("Debugging of remote protocol is %s.\n"), | |
1608 | value); | |
1609 | } | |
1610 | ||
1611 | static void | |
1612 | show_remote_timeout (struct ui_file *file, int from_tty, | |
1613 | struct cmd_list_element *c, const char *value) | |
1614 | { | |
9a2b4c1b MS |
1615 | fprintf_filtered (file, |
1616 | _("Timeout limit to wait for target to respond is %s.\n"), | |
920d2a44 AC |
1617 | value); |
1618 | } | |
1619 | ||
1620 | static void | |
1621 | show_max_user_call_depth (struct ui_file *file, int from_tty, | |
1622 | struct cmd_list_element *c, const char *value) | |
1623 | { | |
9a2b4c1b MS |
1624 | fprintf_filtered (file, |
1625 | _("The max call depth for user-defined commands is %s.\n"), | |
920d2a44 AC |
1626 | value); |
1627 | } | |
1628 | ||
d318976c | 1629 | \f |
43e4916f TT |
1630 | |
1631 | initialize_file_ftype _initialize_cli_cmds; | |
1632 | ||
d318976c | 1633 | void |
43e4916f | 1634 | _initialize_cli_cmds (void) |
d318976c FN |
1635 | { |
1636 | struct cmd_list_element *c; | |
1637 | ||
1638 | /* Define the classes of commands. | |
1bfeeb0f | 1639 | They will appear in the help list in alphabetical order. */ |
d318976c | 1640 | |
1a966eab AC |
1641 | add_cmd ("internals", class_maintenance, NULL, _("\ |
1642 | Maintenance commands.\n\ | |
d318976c FN |
1643 | Some gdb commands are provided just for use by gdb maintainers.\n\ |
1644 | These commands are subject to frequent change, and may not be as\n\ | |
1a966eab | 1645 | well documented as user commands."), |
d318976c | 1646 | &cmdlist); |
1a966eab | 1647 | add_cmd ("obscure", class_obscure, NULL, _("Obscure features."), &cmdlist); |
9a2b4c1b MS |
1648 | add_cmd ("aliases", class_alias, NULL, |
1649 | _("Aliases of other commands."), &cmdlist); | |
1a966eab AC |
1650 | add_cmd ("user-defined", class_user, NULL, _("\ |
1651 | User-defined commands.\n\ | |
d318976c | 1652 | The commands in this class are those defined by the user.\n\ |
1a966eab AC |
1653 | Use the \"define\" command to define a command."), &cmdlist); |
1654 | add_cmd ("support", class_support, NULL, _("Support facilities."), &cmdlist); | |
d318976c | 1655 | if (!dbx_commands) |
1a966eab AC |
1656 | add_cmd ("status", class_info, NULL, _("Status inquiries."), &cmdlist); |
1657 | add_cmd ("files", class_files, NULL, _("Specifying and examining files."), | |
1658 | &cmdlist); | |
1659 | add_cmd ("breakpoints", class_breakpoint, NULL, | |
1660 | _("Making program stop at certain points."), &cmdlist); | |
1661 | add_cmd ("data", class_vars, NULL, _("Examining data."), &cmdlist); | |
1662 | add_cmd ("stack", class_stack, NULL, _("\ | |
1663 | Examining the stack.\n\ | |
d318976c FN |
1664 | The stack is made up of stack frames. Gdb assigns numbers to stack frames\n\ |
1665 | counting from zero for the innermost (currently executing) frame.\n\n\ | |
1666 | At any time gdb identifies one frame as the \"selected\" frame.\n\ | |
1667 | Variable lookups are done with respect to the selected frame.\n\ | |
1668 | When the program being debugged stops, gdb selects the innermost frame.\n\ | |
1a966eab | 1669 | The commands below can be used to select other frames by number or address."), |
d318976c | 1670 | &cmdlist); |
1a966eab | 1671 | add_cmd ("running", class_run, NULL, _("Running the program."), &cmdlist); |
d318976c | 1672 | |
ebcd3b23 | 1673 | /* Define general commands. */ |
d318976c | 1674 | |
d729566a | 1675 | add_com ("pwd", class_files, pwd_command, _("\ |
1bedd215 | 1676 | Print working directory. This is used for your program as well.")); |
4f8d22e3 | 1677 | |
1a966eab AC |
1678 | c = add_cmd ("cd", class_files, cd_command, _("\ |
1679 | Set working directory to DIR for debugger and program being debugged.\n\ | |
d318976c | 1680 | The change does not take effect for the program being debugged\n\ |
1a966eab | 1681 | until the next time it is started."), &cmdlist); |
5ba2abeb | 1682 | set_cmd_completer (c, filename_completer); |
d318976c | 1683 | |
1bedd215 AC |
1684 | add_com ("echo", class_support, echo_command, _("\ |
1685 | Print a constant string. Give string as argument.\n\ | |
d318976c FN |
1686 | C escape sequences may be used in the argument.\n\ |
1687 | No newline is added at the end of the argument;\n\ | |
1688 | use \"\\n\" if you want a newline to be printed.\n\ | |
1689 | Since leading and trailing whitespace are ignored in command arguments,\n\ | |
1690 | if you want to print some you must use \"\\\" before leading whitespace\n\ | |
1bedd215 | 1691 | to be printed or after trailing whitespace.")); |
d318976c | 1692 | |
973817a3 JB |
1693 | add_setshow_enum_cmd ("script-extension", class_support, |
1694 | script_ext_enums, &script_ext_mode, _("\ | |
1695 | Set mode for script filename extension recognition."), _("\ | |
1696 | Show mode for script filename extension recognition."), _("\ | |
1697 | off == no filename extension recognition (all sourced files are GDB scripts)\n\ | |
1698 | soft == evaluate script according to filename extension, fallback to GDB script" | |
1699 | "\n\ | |
1700 | strict == evaluate script according to filename extension, error if not supported" | |
1701 | ), | |
1702 | NULL, | |
1703 | show_script_ext_mode, | |
1704 | &setlist, &showlist); | |
1705 | ||
1bedd215 AC |
1706 | add_com ("quit", class_support, quit_command, _("Exit gdb.")); |
1707 | c = add_com ("help", class_support, help_command, | |
1708 | _("Print list of commands.")); | |
5ba2abeb | 1709 | set_cmd_completer (c, command_completer); |
d318976c FN |
1710 | add_com_alias ("q", "quit", class_support, 1); |
1711 | add_com_alias ("h", "help", class_support, 1); | |
1712 | ||
5bf193a2 AC |
1713 | add_setshow_boolean_cmd ("verbose", class_support, &info_verbose, _("\ |
1714 | Set verbosity."), _("\ | |
1715 | Show verbosity."), NULL, | |
1716 | set_verbose, | |
920d2a44 | 1717 | show_info_verbose, |
5bf193a2 | 1718 | &setlist, &showlist); |
d318976c FN |
1719 | |
1720 | add_prefix_cmd ("history", class_support, set_history, | |
1bedd215 | 1721 | _("Generic command for setting command history parameters."), |
d318976c FN |
1722 | &sethistlist, "set history ", 0, &setlist); |
1723 | add_prefix_cmd ("history", class_support, show_history, | |
1bedd215 | 1724 | _("Generic command for showing command history parameters."), |
d318976c FN |
1725 | &showhistlist, "show history ", 0, &showlist); |
1726 | ||
5bf193a2 AC |
1727 | add_setshow_boolean_cmd ("expansion", no_class, &history_expansion_p, _("\ |
1728 | Set history expansion on command input."), _("\ | |
1729 | Show history expansion on command input."), _("\ | |
1730 | Without an argument, history expansion is enabled."), | |
1731 | NULL, | |
920d2a44 | 1732 | show_history_expansion_p, |
5bf193a2 | 1733 | &sethistlist, &showhistlist); |
d318976c | 1734 | |
d729566a | 1735 | add_prefix_cmd ("info", class_info, info_command, _("\ |
1bedd215 | 1736 | Generic command for showing things about the program being debugged."), |
d729566a | 1737 | &infolist, "info ", 0, &cmdlist); |
d318976c | 1738 | add_com_alias ("i", "info", class_info, 1); |
a177aad3 | 1739 | add_com_alias ("inf", "info", class_info, 1); |
d318976c FN |
1740 | |
1741 | add_com ("complete", class_obscure, complete_command, | |
1bedd215 | 1742 | _("List the completions for the rest of the line as a command.")); |
d318976c | 1743 | |
d729566a | 1744 | add_prefix_cmd ("show", class_info, show_command, _("\ |
700b53b1 | 1745 | Generic command for showing things about the debugger."), |
d729566a | 1746 | &showlist, "show ", 0, &cmdlist); |
d318976c | 1747 | /* Another way to get at the same thing. */ |
1bedd215 | 1748 | add_info ("set", show_command, _("Show all GDB settings.")); |
d318976c | 1749 | |
db5f229b | 1750 | add_cmd ("commands", no_set_class, show_commands, _("\ |
1a966eab | 1751 | Show the history of commands you typed.\n\ |
d318976c | 1752 | You can supply a command number to start with, or a `+' to start after\n\ |
1a966eab | 1753 | the previous command number shown."), |
d318976c FN |
1754 | &showlist); |
1755 | ||
db5f229b | 1756 | add_cmd ("version", no_set_class, show_version, |
1a966eab | 1757 | _("Show what version of GDB this is."), &showlist); |
d318976c | 1758 | |
ebcd3b23 MS |
1759 | /* If target is open when baud changes, it doesn't take effect until |
1760 | the next open (I think, not sure). */ | |
85c07804 AC |
1761 | add_setshow_zinteger_cmd ("remotebaud", no_class, &baud_rate, _("\ |
1762 | Set baud rate for remote serial I/O."), _("\ | |
1763 | Show baud rate for remote serial I/O."), _("\ | |
d318976c | 1764 | This value is used to set the speed of the serial port when debugging\n\ |
85c07804 AC |
1765 | using remote targets."), |
1766 | NULL, | |
920d2a44 | 1767 | show_baud_rate, |
85c07804 AC |
1768 | &setlist, &showlist); |
1769 | ||
1770 | add_setshow_zinteger_cmd ("remote", no_class, &remote_debug, _("\ | |
1771 | Set debugging of remote protocol."), _("\ | |
1772 | Show debugging of remote protocol."), _("\ | |
d318976c | 1773 | When enabled, each packet sent or received with the remote target\n\ |
85c07804 AC |
1774 | is displayed."), |
1775 | NULL, | |
920d2a44 | 1776 | show_remote_debug, |
85c07804 | 1777 | &setdebuglist, &showdebuglist); |
d318976c | 1778 | |
6fc1c773 YQ |
1779 | add_setshow_zuinteger_unlimited_cmd ("remotetimeout", no_class, |
1780 | &remote_timeout, _("\ | |
c0d88b1b AC |
1781 | Set timeout limit to wait for target to respond."), _("\ |
1782 | Show timeout limit to wait for target to respond."), _("\ | |
d318976c | 1783 | This value is used to set the time limit for gdb to wait for a response\n\ |
c0d88b1b | 1784 | from the target."), |
6fc1c773 YQ |
1785 | NULL, |
1786 | show_remote_timeout, | |
1787 | &setlist, &showlist); | |
d318976c FN |
1788 | |
1789 | add_prefix_cmd ("debug", no_class, set_debug, | |
1bedd215 | 1790 | _("Generic command for setting gdb debugging flags"), |
d318976c FN |
1791 | &setdebuglist, "set debug ", 0, &setlist); |
1792 | ||
1793 | add_prefix_cmd ("debug", no_class, show_debug, | |
1bedd215 | 1794 | _("Generic command for showing gdb debugging flags"), |
d318976c FN |
1795 | &showdebuglist, "show debug ", 0, &showlist); |
1796 | ||
1bedd215 AC |
1797 | c = add_com ("shell", class_support, shell_escape, _("\ |
1798 | Execute the rest of the line as a shell command.\n\ | |
1799 | With no arguments, run an inferior shell.")); | |
5ba2abeb | 1800 | set_cmd_completer (c, filename_completer); |
d318976c | 1801 | |
1bedd215 AC |
1802 | c = add_com ("edit", class_files, edit_command, _("\ |
1803 | Edit specified file or function.\n\ | |
0378c332 | 1804 | With no argument, edits file containing most recent line listed.\n\ |
0378c332 FN |
1805 | Editing targets can be specified in these ways:\n\ |
1806 | FILE:LINENUM, to edit at that line in that file,\n\ | |
1807 | FUNCTION, to edit at the beginning of that function,\n\ | |
1808 | FILE:FUNCTION, to distinguish among like-named static functions.\n\ | |
1809 | *ADDRESS, to edit at the line containing that address.\n\ | |
1bedd215 | 1810 | Uses EDITOR environment variable contents as editor (or ex as default).")); |
0378c332 FN |
1811 | |
1812 | c->completer = location_completer; | |
1813 | ||
1bedd215 AC |
1814 | add_com ("list", class_files, list_command, _("\ |
1815 | List specified function or line.\n\ | |
0378c332 FN |
1816 | With no argument, lists ten more lines after or around previous listing.\n\ |
1817 | \"list -\" lists the ten lines before a previous ten-line listing.\n\ | |
1818 | One argument specifies a line, and ten lines are listed around that line.\n\ | |
1819 | Two arguments with comma between specify starting and ending lines to list.\n\ | |
0378c332 FN |
1820 | Lines can be specified in these ways:\n\ |
1821 | LINENUM, to list around that line in current file,\n\ | |
1822 | FILE:LINENUM, to list around that line in that file,\n\ | |
1823 | FUNCTION, to list around beginning of that function,\n\ | |
1824 | FILE:FUNCTION, to distinguish among like-named static functions.\n\ | |
1825 | *ADDRESS, to list around the line containing that address.\n\ | |
9a2b4c1b MS |
1826 | With two args if one is empty it stands for ten lines away from \ |
1827 | the other arg.")); | |
0378c332 FN |
1828 | |
1829 | if (!xdb_commands) | |
1830 | add_com_alias ("l", "list", class_files, 1); | |
1831 | else | |
1832 | add_com_alias ("v", "list", class_files, 1); | |
1833 | ||
1834 | if (dbx_commands) | |
1835 | add_com_alias ("file", "list", class_files, 1); | |
1836 | ||
1bedd215 AC |
1837 | c = add_com ("disassemble", class_vars, disassemble_command, _("\ |
1838 | Disassemble a specified section of memory.\n\ | |
83c31e7d | 1839 | Default is the function surrounding the pc of the selected frame.\n\ |
d14508fe | 1840 | With a /m modifier, source lines are included (if available).\n\ |
e6158f16 | 1841 | With a /r modifier, raw instructions in hex are included.\n\ |
83c31e7d | 1842 | With a single argument, the function surrounding that address is dumped.\n\ |
53a71c06 | 1843 | Two arguments (separated by a comma) are taken as a range of memory to dump,\n\ |
7e1e0340 DE |
1844 | in the form of \"start,end\", or \"start,+length\".\n\ |
1845 | \n\ | |
1846 | Note that the address is interpreted as an expression, not as a location\n\ | |
1847 | like in the \"break\" command.\n\ | |
1848 | So, for example, if you want to disassemble function bar in file foo.c\n\ | |
1849 | you must type \"disassemble 'foo.c'::bar\" and not \"disassemble foo.c:bar\".")); | |
83c31e7d FN |
1850 | set_cmd_completer (c, location_completer); |
1851 | if (xdb_commands) | |
1852 | add_com_alias ("va", "disassemble", class_xdb, 0); | |
0378c332 | 1853 | |
ed59ded5 | 1854 | add_com_alias ("!", "shell", class_support, 0); |
d318976c | 1855 | |
1bedd215 AC |
1856 | c = add_com ("make", class_support, make_command, _("\ |
1857 | Run the ``make'' program using the rest of the line as arguments.")); | |
5ba2abeb | 1858 | set_cmd_completer (c, filename_completer); |
1a966eab | 1859 | add_cmd ("user", no_class, show_user, _("\ |
7d74f244 | 1860 | Show definitions of non-python user defined commands.\n\ |
d318976c | 1861 | Argument is the name of the user defined command.\n\ |
1a966eab | 1862 | With no argument, show definitions of all user defined commands."), &showlist); |
1bedd215 AC |
1863 | add_com ("apropos", class_support, apropos_command, |
1864 | _("Search for commands matching a REGEXP")); | |
20f01a46 | 1865 | |
883b9c6c | 1866 | add_setshow_uinteger_cmd ("max-user-call-depth", no_class, |
c0d88b1b | 1867 | &max_user_call_depth, _("\ |
7d74f244 DE |
1868 | Set the max call depth for non-python user-defined commands."), _("\ |
1869 | Show the max call depth for non-python user-defined commands."), NULL, | |
883b9c6c YQ |
1870 | NULL, |
1871 | show_max_user_call_depth, | |
1872 | &setlist, &showlist); | |
16026cd7 AS |
1873 | |
1874 | add_setshow_boolean_cmd ("trace-commands", no_class, &trace_commands, _("\ | |
1875 | Set tracing of GDB CLI commands."), _("\ | |
1876 | Show state of GDB CLI command tracing."), _("\ | |
1877 | When 'on', each command is displayed as it is executed."), | |
1878 | NULL, | |
1879 | NULL, | |
1880 | &setlist, &showlist); | |
5a56e9c5 DE |
1881 | |
1882 | c = add_com ("alias", class_support, alias_command, _("\ | |
1883 | Define a new command that is an alias of an existing command.\n\ | |
1884 | Usage: alias [-a] [--] ALIAS = COMMAND\n\ | |
1885 | ALIAS is the name of the alias command to create.\n\ | |
1886 | COMMAND is the command being aliased to.\n\ | |
1887 | If \"-a\" is specified, the command is an abbreviation,\n\ | |
1888 | and will not appear in help command list output.\n\ | |
1889 | \n\ | |
1890 | Examples:\n\ | |
1891 | Make \"spe\" an alias of \"set print elements\":\n\ | |
1892 | alias spe = set print elements\n\ | |
1893 | Make \"elms\" an alias of \"elements\" in the \"set print\" command:\n\ | |
1894 | alias -a set print elms = set print elements")); | |
d318976c | 1895 | } |
43e4916f TT |
1896 | |
1897 | void | |
1898 | init_cli_cmds (void) | |
1899 | { | |
1900 | struct cmd_list_element *c; | |
1901 | char *source_help_text; | |
1902 | ||
1903 | source_help_text = xstrprintf (_("\ | |
1904 | Read commands from a file named FILE.\n\ | |
1905 | \n\ | |
1906 | Usage: source [-s] [-v] FILE\n\ | |
1907 | -s: search for the script in the source search path,\n\ | |
1908 | even if FILE contains directories.\n\ | |
1909 | -v: each command in FILE is echoed as it is executed.\n\ | |
1910 | \n\ | |
1911 | Note that the file \"%s\" is read automatically in this way\n\ | |
1912 | when GDB is started."), gdbinit); | |
1913 | c = add_cmd ("source", class_support, source_command, | |
1914 | source_help_text, &cmdlist); | |
1915 | set_cmd_completer (c, filename_completer); | |
1916 | } |