Commit | Line | Data |
---|---|---|
d318976c | 1 | /* GDB CLI commands. |
8926118c | 2 | |
7b6bb8da JB |
3 | Copyright (C) 2000, 2001, 2002, 2003, 2004, 2005, 2007, 2008, 2009, 2010, |
4 | 2011 Free Software Foundation, Inc. | |
d318976c FN |
5 | |
6 | This file is part of GDB. | |
7 | ||
8 | This program is free software; you can redistribute it and/or modify | |
9 | it under the terms of the GNU General Public License as published by | |
a9762ec7 | 10 | the Free Software Foundation; either version 3 of the License, or |
d318976c FN |
11 | (at your option) any later version. |
12 | ||
13 | This program is distributed in the hope that it will be useful, | |
14 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | GNU General Public License for more details. | |
17 | ||
18 | You should have received a copy of the GNU General Public License | |
a9762ec7 | 19 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
d318976c FN |
20 | |
21 | #include "defs.h" | |
973817a3 | 22 | #include "exceptions.h" |
13274fc3 | 23 | #include "arch-utils.h" |
5a56e9c5 | 24 | #include "dyn-string.h" |
dbda9972 AC |
25 | #include "readline/readline.h" |
26 | #include "readline/tilde.h" | |
d318976c | 27 | #include "completer.h" |
ebcd3b23 MS |
28 | #include "target.h" /* For baud_rate, remote_debug and remote_timeout. */ |
29 | #include "gdb_wait.h" /* For shell escape implementation. */ | |
30 | #include "gdb_regex.h" /* Used by apropos_command. */ | |
5f8a3188 | 31 | #include "gdb_string.h" |
325ed089 | 32 | #include "gdb_vfork.h" |
0378c332 FN |
33 | #include "linespec.h" |
34 | #include "expression.h" | |
83c31e7d FN |
35 | #include "frame.h" |
36 | #include "value.h" | |
0378c332 | 37 | #include "language.h" |
ebcd3b23 | 38 | #include "filenames.h" /* For DOSish file names. */ |
0378c332 FN |
39 | #include "objfiles.h" |
40 | #include "source.h" | |
83c31e7d | 41 | #include "disasm.h" |
33da3f1c | 42 | #include "tracepoint.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" | |
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 | ||
d318976c | 90 | void apropos_command (char *, int); |
0378c332 FN |
91 | |
92 | /* Prototypes for local utility functions */ | |
93 | ||
94 | static void ambiguous_line_spec (struct symtabs_and_lines *); | |
d318976c | 95 | \f |
20f01a46 DH |
96 | /* Limit the call depth of user-defined commands */ |
97 | int max_user_call_depth; | |
98 | ||
d318976c FN |
99 | /* Define all cmd_list_elements. */ |
100 | ||
101 | /* Chain containing all defined commands. */ | |
102 | ||
103 | struct cmd_list_element *cmdlist; | |
104 | ||
105 | /* Chain containing all defined info subcommands. */ | |
106 | ||
107 | struct cmd_list_element *infolist; | |
108 | ||
ebcd3b23 | 109 | /* Chain containing all defined enable subcommands. */ |
d318976c FN |
110 | |
111 | struct cmd_list_element *enablelist; | |
112 | ||
ebcd3b23 | 113 | /* Chain containing all defined disable subcommands. */ |
d318976c FN |
114 | |
115 | struct cmd_list_element *disablelist; | |
116 | ||
ebcd3b23 | 117 | /* Chain containing all defined toggle subcommands. */ |
d318976c FN |
118 | |
119 | struct cmd_list_element *togglelist; | |
120 | ||
ebcd3b23 | 121 | /* Chain containing all defined stop subcommands. */ |
d318976c FN |
122 | |
123 | struct cmd_list_element *stoplist; | |
124 | ||
ebcd3b23 | 125 | /* Chain containing all defined delete subcommands. */ |
d318976c FN |
126 | |
127 | struct cmd_list_element *deletelist; | |
128 | ||
ebcd3b23 | 129 | /* Chain containing all defined detach subcommands. */ |
f73adfeb AS |
130 | |
131 | struct cmd_list_element *detachlist; | |
132 | ||
ebcd3b23 | 133 | /* Chain containing all defined kill subcommands. */ |
2277426b PA |
134 | |
135 | struct cmd_list_element *killlist; | |
136 | ||
ebcd3b23 | 137 | /* Chain containing all defined "enable breakpoint" subcommands. */ |
d318976c FN |
138 | |
139 | struct cmd_list_element *enablebreaklist; | |
140 | ||
141 | /* Chain containing all defined set subcommands */ | |
142 | ||
143 | struct cmd_list_element *setlist; | |
144 | ||
145 | /* Chain containing all defined unset subcommands */ | |
146 | ||
147 | struct cmd_list_element *unsetlist; | |
148 | ||
149 | /* Chain containing all defined show subcommands. */ | |
150 | ||
151 | struct cmd_list_element *showlist; | |
152 | ||
153 | /* Chain containing all defined \"set history\". */ | |
154 | ||
155 | struct cmd_list_element *sethistlist; | |
156 | ||
157 | /* Chain containing all defined \"show history\". */ | |
158 | ||
159 | struct cmd_list_element *showhistlist; | |
160 | ||
161 | /* Chain containing all defined \"unset history\". */ | |
162 | ||
163 | struct cmd_list_element *unsethistlist; | |
164 | ||
ebcd3b23 | 165 | /* Chain containing all defined maintenance subcommands. */ |
d318976c FN |
166 | |
167 | struct cmd_list_element *maintenancelist; | |
168 | ||
ebcd3b23 | 169 | /* Chain containing all defined "maintenance info" subcommands. */ |
d318976c FN |
170 | |
171 | struct cmd_list_element *maintenanceinfolist; | |
172 | ||
ebcd3b23 | 173 | /* Chain containing all defined "maintenance print" subcommands. */ |
d318976c FN |
174 | |
175 | struct cmd_list_element *maintenanceprintlist; | |
176 | ||
177 | struct cmd_list_element *setprintlist; | |
178 | ||
179 | struct cmd_list_element *showprintlist; | |
180 | ||
181 | struct cmd_list_element *setdebuglist; | |
182 | ||
183 | struct cmd_list_element *showdebuglist; | |
184 | ||
185 | struct cmd_list_element *setchecklist; | |
186 | ||
187 | struct cmd_list_element *showchecklist; | |
16026cd7 AS |
188 | |
189 | /* Command tracing state. */ | |
190 | ||
191 | int source_verbose = 0; | |
192 | int trace_commands = 0; | |
d318976c | 193 | \f |
973817a3 JB |
194 | /* 'script-extension' option support. */ |
195 | ||
196 | static const char script_ext_off[] = "off"; | |
197 | static const char script_ext_soft[] = "soft"; | |
198 | static const char script_ext_strict[] = "strict"; | |
199 | ||
200 | static const char *script_ext_enums[] = { | |
201 | script_ext_off, | |
202 | script_ext_soft, | |
203 | script_ext_strict, | |
204 | NULL | |
205 | }; | |
206 | ||
207 | static const char *script_ext_mode = script_ext_soft; | |
208 | \f | |
d318976c | 209 | /* Utility used everywhere when at least one argument is needed and |
ebcd3b23 | 210 | none is supplied. */ |
d318976c FN |
211 | |
212 | void | |
213 | error_no_arg (char *why) | |
214 | { | |
8a3fe4f8 | 215 | error (_("Argument required (%s)."), why); |
d318976c FN |
216 | } |
217 | ||
218 | /* The "info" command is defined as a prefix, with allow_unknown = 0. | |
ebcd3b23 MS |
219 | Therefore, its own definition is called only for "info" with no |
220 | args. */ | |
d318976c | 221 | |
d318976c FN |
222 | static void |
223 | info_command (char *arg, int from_tty) | |
224 | { | |
9a2b4c1b MS |
225 | printf_unfiltered (_("\"info\" must be followed by " |
226 | "the name of an info command.\n")); | |
d318976c FN |
227 | help_list (infolist, "info ", -1, gdb_stdout); |
228 | } | |
229 | ||
230 | /* The "show" command with no arguments shows all the settings. */ | |
231 | ||
d318976c FN |
232 | static void |
233 | show_command (char *arg, int from_tty) | |
234 | { | |
235 | cmd_show_list (showlist, from_tty, ""); | |
236 | } | |
237 | \f | |
238 | /* Provide documentation on command or list given by COMMAND. FROM_TTY | |
239 | is ignored. */ | |
240 | ||
d318976c FN |
241 | static void |
242 | help_command (char *command, int from_tty) | |
243 | { | |
244 | help_cmd (command, gdb_stdout); | |
245 | } | |
246 | \f | |
83d31a92 TT |
247 | /* String compare function for qsort. */ |
248 | static int | |
249 | compare_strings (const void *arg1, const void *arg2) | |
250 | { | |
251 | const char **s1 = (const char **) arg1; | |
252 | const char **s2 = (const char **) arg2; | |
cdb27c12 | 253 | |
83d31a92 TT |
254 | return strcmp (*s1, *s2); |
255 | } | |
256 | ||
d318976c FN |
257 | /* The "complete" command is used by Emacs to implement completion. */ |
258 | ||
d318976c FN |
259 | static void |
260 | complete_command (char *arg, int from_tty) | |
261 | { | |
d318976c | 262 | int argpoint; |
d9b52655 | 263 | char **completions, *point, *arg_prefix; |
d318976c FN |
264 | |
265 | dont_repeat (); | |
266 | ||
267 | if (arg == NULL) | |
268 | arg = ""; | |
269 | argpoint = strlen (arg); | |
270 | ||
ebcd3b23 MS |
271 | /* complete_line assumes that its first argument is somewhere |
272 | within, and except for filenames at the beginning of, the word to | |
273 | be completed. The following crude imitation of readline's | |
274 | word-breaking tries to accomodate this. */ | |
d9b52655 DJ |
275 | point = arg + argpoint; |
276 | while (point > arg) | |
277 | { | |
278 | if (strchr (rl_completer_word_break_characters, point[-1]) != 0) | |
279 | break; | |
280 | point--; | |
281 | } | |
282 | ||
283 | arg_prefix = alloca (point - arg + 1); | |
284 | memcpy (arg_prefix, arg, point - arg); | |
285 | arg_prefix[point - arg] = 0; | |
286 | ||
287 | completions = complete_line (point, arg, argpoint); | |
83d31a92 TT |
288 | |
289 | if (completions) | |
d318976c | 290 | { |
83d31a92 TT |
291 | int item, size; |
292 | ||
293 | for (size = 0; completions[size]; ++size) | |
294 | ; | |
295 | qsort (completions, size, sizeof (char *), compare_strings); | |
296 | ||
297 | /* We do extra processing here since we only want to print each | |
298 | unique item once. */ | |
299 | item = 0; | |
300 | while (item < size) | |
301 | { | |
302 | int next_item; | |
cdb27c12 | 303 | |
d9b52655 | 304 | printf_unfiltered ("%s%s\n", arg_prefix, completions[item]); |
83d31a92 TT |
305 | next_item = item + 1; |
306 | while (next_item < size | |
307 | && ! strcmp (completions[item], completions[next_item])) | |
308 | { | |
309 | xfree (completions[next_item]); | |
310 | ++next_item; | |
311 | } | |
312 | ||
313 | xfree (completions[item]); | |
314 | item = next_item; | |
315 | } | |
316 | ||
317 | xfree (completions); | |
d318976c FN |
318 | } |
319 | } | |
320 | ||
bbaca940 AC |
321 | int |
322 | is_complete_command (struct cmd_list_element *c) | |
d318976c | 323 | { |
bbaca940 | 324 | return cmd_cfunc_eq (c, complete_command); |
d318976c FN |
325 | } |
326 | ||
d318976c FN |
327 | static void |
328 | show_version (char *args, int from_tty) | |
329 | { | |
330 | immediate_quit++; | |
331 | print_gdb_version (gdb_stdout); | |
332 | printf_filtered ("\n"); | |
333 | immediate_quit--; | |
334 | } | |
335 | ||
336 | /* Handle the quit command. */ | |
337 | ||
338 | void | |
339 | quit_command (char *args, int from_tty) | |
340 | { | |
341 | if (!quit_confirm ()) | |
8a3fe4f8 | 342 | error (_("Not confirmed.")); |
d5551862 | 343 | |
33da3f1c | 344 | disconnect_tracing (from_tty); |
d5551862 | 345 | |
d318976c FN |
346 | quit_force (args, from_tty); |
347 | } | |
348 | ||
d318976c FN |
349 | static void |
350 | pwd_command (char *args, int from_tty) | |
351 | { | |
352 | if (args) | |
8a3fe4f8 | 353 | error (_("The \"pwd\" command does not take an argument: %s"), args); |
bf1d7d9c JB |
354 | if (! getcwd (gdb_dirbuf, sizeof (gdb_dirbuf))) |
355 | error (_("Error finding name of working directory: %s"), | |
356 | safe_strerror (errno)); | |
d318976c | 357 | |
6314a349 | 358 | if (strcmp (gdb_dirbuf, current_directory) != 0) |
a3f17187 | 359 | printf_unfiltered (_("Working directory %s\n (canonically %s).\n"), |
d318976c FN |
360 | current_directory, gdb_dirbuf); |
361 | else | |
a3f17187 | 362 | printf_unfiltered (_("Working directory %s.\n"), current_directory); |
d318976c FN |
363 | } |
364 | ||
365 | void | |
366 | cd_command (char *dir, int from_tty) | |
367 | { | |
368 | int len; | |
369 | /* Found something other than leading repetitions of "/..". */ | |
370 | int found_real_path; | |
371 | char *p; | |
372 | ||
373 | /* If the new directory is absolute, repeat is a no-op; if relative, | |
374 | repeat might be useful but is more likely to be a mistake. */ | |
375 | dont_repeat (); | |
376 | ||
377 | if (dir == 0) | |
e2e0b3e5 | 378 | error_no_arg (_("new working directory")); |
d318976c FN |
379 | |
380 | dir = tilde_expand (dir); | |
b8c9b27d | 381 | make_cleanup (xfree, dir); |
d318976c FN |
382 | |
383 | if (chdir (dir) < 0) | |
384 | perror_with_name (dir); | |
385 | ||
c3690141 | 386 | #ifdef HAVE_DOS_BASED_FILE_SYSTEM |
d318976c FN |
387 | /* There's too much mess with DOSish names like "d:", "d:.", |
388 | "d:./foo" etc. Instead of having lots of special #ifdef'ed code, | |
389 | simply get the canonicalized name of the current directory. */ | |
390 | dir = getcwd (gdb_dirbuf, sizeof (gdb_dirbuf)); | |
391 | #endif | |
392 | ||
393 | len = strlen (dir); | |
fe4e3eb8 | 394 | if (IS_DIR_SEPARATOR (dir[len - 1])) |
d318976c FN |
395 | { |
396 | /* Remove the trailing slash unless this is a root directory | |
397 | (including a drive letter on non-Unix systems). */ | |
398 | if (!(len == 1) /* "/" */ | |
c3690141 | 399 | #ifdef HAVE_DOS_BASED_FILE_SYSTEM |
fe4e3eb8 | 400 | && !(len == 3 && dir[1] == ':') /* "d:/" */ |
d318976c FN |
401 | #endif |
402 | ) | |
403 | len--; | |
404 | } | |
405 | ||
406 | dir = savestring (dir, len); | |
fe4e3eb8 | 407 | if (IS_ABSOLUTE_PATH (dir)) |
d318976c FN |
408 | current_directory = dir; |
409 | else | |
410 | { | |
fe4e3eb8 | 411 | if (IS_DIR_SEPARATOR (current_directory[strlen (current_directory) - 1])) |
1754f103 | 412 | current_directory = concat (current_directory, dir, (char *)NULL); |
d318976c | 413 | else |
1754f103 MK |
414 | current_directory = concat (current_directory, SLASH_STRING, |
415 | dir, (char *)NULL); | |
b8c9b27d | 416 | xfree (dir); |
d318976c FN |
417 | } |
418 | ||
419 | /* Now simplify any occurrences of `.' and `..' in the pathname. */ | |
420 | ||
421 | found_real_path = 0; | |
422 | for (p = current_directory; *p;) | |
423 | { | |
fe4e3eb8 EZ |
424 | if (IS_DIR_SEPARATOR (p[0]) && p[1] == '.' |
425 | && (p[2] == 0 || IS_DIR_SEPARATOR (p[2]))) | |
d318976c | 426 | strcpy (p, p + 2); |
fe4e3eb8 EZ |
427 | else if (IS_DIR_SEPARATOR (p[0]) && p[1] == '.' && p[2] == '.' |
428 | && (p[3] == 0 || IS_DIR_SEPARATOR (p[3]))) | |
d318976c FN |
429 | { |
430 | if (found_real_path) | |
431 | { | |
432 | /* Search backwards for the directory just before the "/.." | |
433 | and obliterate it and the "/..". */ | |
434 | char *q = p; | |
cdb27c12 | 435 | |
fe4e3eb8 | 436 | while (q != current_directory && !IS_DIR_SEPARATOR (q[-1])) |
d318976c FN |
437 | --q; |
438 | ||
439 | if (q == current_directory) | |
440 | /* current_directory is | |
441 | a relative pathname ("can't happen"--leave it alone). */ | |
442 | ++p; | |
443 | else | |
444 | { | |
445 | strcpy (q - 1, p + 3); | |
446 | p = q - 1; | |
447 | } | |
448 | } | |
449 | else | |
ebcd3b23 MS |
450 | /* We are dealing with leading repetitions of "/..", for |
451 | example "/../..", which is the Mach super-root. */ | |
d318976c FN |
452 | p += 3; |
453 | } | |
454 | else | |
455 | { | |
456 | found_real_path = 1; | |
457 | ++p; | |
458 | } | |
459 | } | |
460 | ||
461 | forget_cached_source_info (); | |
462 | ||
463 | if (from_tty) | |
464 | pwd_command ((char *) 0, 1); | |
465 | } | |
466 | \f | |
973817a3 JB |
467 | /* Show the current value of the 'script-extension' option. */ |
468 | ||
469 | static void | |
470 | show_script_ext_mode (struct ui_file *file, int from_tty, | |
471 | struct cmd_list_element *c, const char *value) | |
d318976c | 472 | { |
9a2b4c1b MS |
473 | fprintf_filtered (file, |
474 | _("Script filename extension recognition is \"%s\".\n"), | |
973817a3 JB |
475 | value); |
476 | } | |
477 | ||
3f7b2faa DE |
478 | /* Try to open SCRIPT_FILE. |
479 | If successful, the full path name is stored in *FULL_PATHP, | |
480 | the stream is stored in *STREAMP, and return 1. | |
481 | The caller is responsible for freeing *FULL_PATHP. | |
482 | If not successful, return 0; errno is set for the last file | |
483 | we tried to open. | |
484 | ||
485 | If SEARCH_PATH is non-zero, and the file isn't found in cwd, | |
486 | search for it in the source search path. | |
487 | ||
488 | NOTE: This calls openp which uses xfullpath to compute the full path | |
489 | instead of gdb_realpath. Symbolic links are not resolved. */ | |
490 | ||
8a1ea21f | 491 | int |
3f7b2faa DE |
492 | find_and_open_script (const char *script_file, int search_path, |
493 | FILE **streamp, char **full_pathp) | |
973817a3 | 494 | { |
3f7b2faa | 495 | char *file; |
4b505b12 | 496 | int fd; |
973817a3 | 497 | struct cleanup *old_cleanups; |
3f7b2faa | 498 | int search_flags = OPF_TRY_CWD_FIRST; |
d318976c | 499 | |
3f7b2faa | 500 | file = tilde_expand (script_file); |
b8c9b27d | 501 | old_cleanups = make_cleanup (xfree, file); |
d318976c | 502 | |
3f7b2faa DE |
503 | if (search_path) |
504 | search_flags |= OPF_SEARCH_IN_PATH; | |
4b505b12 | 505 | |
3f7b2faa DE |
506 | /* Search for and open 'file' on the search path used for source |
507 | files. Put the full location in *FULL_PATHP. */ | |
508 | fd = openp (source_path, search_flags, | |
509 | file, O_RDONLY, full_pathp); | |
4b505b12 AS |
510 | |
511 | if (fd == -1) | |
d318976c | 512 | { |
3f7b2faa DE |
513 | int save_errno = errno; |
514 | do_cleanups (old_cleanups); | |
515 | errno = save_errno; | |
516 | return 0; | |
d318976c FN |
517 | } |
518 | ||
3f7b2faa | 519 | do_cleanups (old_cleanups); |
973817a3 | 520 | |
3f7b2faa | 521 | *streamp = fdopen (fd, FOPEN_RT); |
973817a3 JB |
522 | return 1; |
523 | } | |
524 | ||
3f7b2faa DE |
525 | /* Load script FILE, which has already been opened as STREAM. |
526 | STREAM is closed before we return. */ | |
973817a3 | 527 | |
3f7b2faa DE |
528 | static void |
529 | source_script_from_stream (FILE *stream, const char *file) | |
530 | { | |
973817a3 JB |
531 | if (script_ext_mode != script_ext_off |
532 | && strlen (file) > 3 && !strcmp (&file[strlen (file) - 3], ".py")) | |
533 | { | |
534 | volatile struct gdb_exception e; | |
535 | ||
536 | TRY_CATCH (e, RETURN_MASK_ERROR) | |
537 | { | |
d234ef5c DE |
538 | /* The python support reopens the file using python functions, |
539 | so there's no point in passing STREAM here. */ | |
540 | source_python_script (file); | |
973817a3 JB |
541 | } |
542 | if (e.reason < 0) | |
543 | { | |
544 | /* Should we fallback to ye olde GDB script mode? */ | |
545 | if (script_ext_mode == script_ext_soft | |
546 | && e.reason == RETURN_ERROR && e.error == UNSUPPORTED_ERROR) | |
547 | { | |
3f7b2faa DE |
548 | fseek (stream, 0, SEEK_SET); |
549 | script_from_file (stream, (char*) file); | |
973817a3 JB |
550 | } |
551 | else | |
3f7b2faa DE |
552 | { |
553 | /* Nope, just punt. */ | |
554 | fclose (stream); | |
555 | throw_exception (e); | |
556 | } | |
973817a3 | 557 | } |
3f7b2faa DE |
558 | else |
559 | fclose (stream); | |
973817a3 JB |
560 | } |
561 | else | |
562 | script_from_file (stream, file); | |
3f7b2faa | 563 | } |
d318976c | 564 | |
3f7b2faa DE |
565 | /* Worker to perform the "source" command. |
566 | Load script FILE. | |
567 | If SEARCH_PATH is non-zero, and the file isn't found in cwd, | |
568 | search for it in the source search path. */ | |
569 | ||
570 | static void | |
571 | source_script_with_search (const char *file, int from_tty, int search_path) | |
572 | { | |
573 | FILE *stream; | |
574 | char *full_path; | |
575 | struct cleanup *old_cleanups; | |
576 | ||
577 | if (file == NULL || *file == 0) | |
578 | error (_("source command requires file name of file to source.")); | |
579 | ||
580 | if (!find_and_open_script (file, search_path, &stream, &full_path)) | |
581 | { | |
d234ef5c | 582 | /* The script wasn't found, or was otherwise inaccessible. |
ebcd3b23 MS |
583 | If the source command was invoked interactively, throw an |
584 | error. Otherwise (e.g. if it was invoked by a script), | |
585 | silently ignore the error. */ | |
3f7b2faa DE |
586 | if (from_tty) |
587 | perror_with_name (file); | |
588 | else | |
589 | return; | |
590 | } | |
591 | ||
592 | old_cleanups = make_cleanup (xfree, full_path); | |
d234ef5c DE |
593 | /* The python support reopens the file, so we need to pass full_path here |
594 | in case the file was found on the search path. It's useful to do this | |
595 | anyway so that error messages show the actual file used. But only do | |
596 | this if we (may have) used search_path, as printing the full path in | |
597 | errors for the non-search case can be more noise than signal. */ | |
598 | source_script_from_stream (stream, search_path ? full_path : file); | |
d318976c FN |
599 | do_cleanups (old_cleanups); |
600 | } | |
601 | ||
3f7b2faa DE |
602 | /* Wrapper around source_script_with_search to export it to main.c |
603 | for use in loading .gdbinit scripts. */ | |
604 | ||
605 | void | |
606 | source_script (char *file, int from_tty) | |
607 | { | |
608 | source_script_with_search (file, from_tty, 0); | |
609 | } | |
610 | ||
16026cd7 AS |
611 | /* Return the source_verbose global variable to its previous state |
612 | on exit from the source command, by whatever means. */ | |
613 | static void | |
614 | source_verbose_cleanup (void *old_value) | |
615 | { | |
616 | source_verbose = *(int *)old_value; | |
617 | xfree (old_value); | |
618 | } | |
619 | ||
620 | static void | |
621 | source_command (char *args, int from_tty) | |
622 | { | |
623 | struct cleanup *old_cleanups; | |
624 | char *file = args; | |
625 | int *old_source_verbose = xmalloc (sizeof(int)); | |
3f7b2faa | 626 | int search_path = 0; |
16026cd7 AS |
627 | |
628 | *old_source_verbose = source_verbose; | |
ebcd3b23 MS |
629 | old_cleanups = make_cleanup (source_verbose_cleanup, |
630 | old_source_verbose); | |
16026cd7 AS |
631 | |
632 | /* -v causes the source command to run in verbose mode. | |
3f7b2faa DE |
633 | -s causes the file to be searched in the source search path, |
634 | even if the file name contains a '/'. | |
16026cd7 AS |
635 | We still have to be able to handle filenames with spaces in a |
636 | backward compatible way, so buildargv is not appropriate. */ | |
637 | ||
638 | if (args) | |
639 | { | |
3f7b2faa | 640 | while (args[0] != '\0') |
16026cd7 | 641 | { |
ebcd3b23 MS |
642 | /* Make sure leading white space does not break the |
643 | comparisons. */ | |
3f7b2faa DE |
644 | while (isspace(args[0])) |
645 | args++; | |
646 | ||
647 | if (args[0] != '-') | |
648 | break; | |
649 | ||
650 | if (args[1] == 'v' && isspace (args[2])) | |
651 | { | |
652 | source_verbose = 1; | |
653 | ||
654 | /* Skip passed -v. */ | |
655 | args = &args[3]; | |
656 | } | |
657 | else if (args[1] == 's' && isspace (args[2])) | |
658 | { | |
659 | search_path = 1; | |
16026cd7 | 660 | |
3f7b2faa DE |
661 | /* Skip passed -s. */ |
662 | args = &args[3]; | |
663 | } | |
664 | else | |
665 | break; | |
16026cd7 | 666 | } |
3f7b2faa DE |
667 | |
668 | while (isspace (args[0])) | |
669 | args++; | |
670 | file = args; | |
16026cd7 AS |
671 | } |
672 | ||
3f7b2faa | 673 | source_script_with_search (file, from_tty, search_path); |
96e39866 DE |
674 | |
675 | do_cleanups (old_cleanups); | |
16026cd7 AS |
676 | } |
677 | ||
678 | ||
d318976c FN |
679 | static void |
680 | echo_command (char *text, int from_tty) | |
681 | { | |
682 | char *p = text; | |
d5b5ac79 | 683 | int c; |
d318976c FN |
684 | |
685 | if (text) | |
686 | while ((c = *p++) != '\0') | |
687 | { | |
688 | if (c == '\\') | |
689 | { | |
690 | /* \ at end of argument is used after spaces | |
691 | so they won't be lost. */ | |
692 | if (*p == 0) | |
693 | return; | |
694 | ||
f870a310 | 695 | c = parse_escape (get_current_arch (), &p); |
d318976c FN |
696 | if (c >= 0) |
697 | printf_filtered ("%c", c); | |
698 | } | |
699 | else | |
700 | printf_filtered ("%c", c); | |
701 | } | |
702 | ||
703 | /* Force this output to appear now. */ | |
704 | wrap_here (""); | |
705 | gdb_flush (gdb_stdout); | |
706 | } | |
707 | ||
d318976c FN |
708 | static void |
709 | shell_escape (char *arg, int from_tty) | |
710 | { | |
9b265ec2 MM |
711 | #if defined(CANT_FORK) || \ |
712 | (!defined(HAVE_WORKING_VFORK) && !defined(HAVE_WORKING_FORK)) | |
d318976c FN |
713 | /* If ARG is NULL, they want an inferior shell, but `system' just |
714 | reports if the shell is available when passed a NULL arg. */ | |
715 | int rc = system (arg ? arg : ""); | |
716 | ||
717 | if (!arg) | |
718 | arg = "inferior shell"; | |
719 | ||
720 | if (rc == -1) | |
721 | { | |
722 | fprintf_unfiltered (gdb_stderr, "Cannot execute %s: %s\n", arg, | |
723 | safe_strerror (errno)); | |
724 | gdb_flush (gdb_stderr); | |
725 | } | |
726 | else if (rc) | |
727 | { | |
728 | fprintf_unfiltered (gdb_stderr, "%s exited with status %d\n", arg, rc); | |
729 | gdb_flush (gdb_stderr); | |
730 | } | |
2584159e | 731 | #ifdef GLOBAL_CURDIR |
ebcd3b23 MS |
732 | /* Make sure to return to the directory GDB thinks it is, in case |
733 | the shell command we just ran changed it. */ | |
d318976c FN |
734 | chdir (current_directory); |
735 | #endif | |
736 | #else /* Can fork. */ | |
5be4dfca | 737 | int status, pid; |
d318976c | 738 | |
325ed089 | 739 | if ((pid = vfork ()) == 0) |
d318976c | 740 | { |
9f37bbcc | 741 | const char *p, *user_shell; |
30e94205 DJ |
742 | |
743 | if ((user_shell = (char *) getenv ("SHELL")) == NULL) | |
744 | user_shell = "/bin/sh"; | |
745 | ||
ebcd3b23 | 746 | /* Get the name of the shell for arg0. */ |
9f37bbcc | 747 | p = lbasename (user_shell); |
30e94205 | 748 | |
d318976c | 749 | if (!arg) |
36662fde | 750 | execl (user_shell, p, (char *) 0); |
d318976c | 751 | else |
36662fde | 752 | execl (user_shell, p, "-c", arg, (char *) 0); |
d318976c FN |
753 | |
754 | fprintf_unfiltered (gdb_stderr, "Cannot execute %s: %s\n", user_shell, | |
755 | safe_strerror (errno)); | |
756 | gdb_flush (gdb_stderr); | |
757 | _exit (0177); | |
758 | } | |
759 | ||
760 | if (pid != -1) | |
5be4dfca | 761 | waitpid (pid, &status, 0); |
d318976c | 762 | else |
8a3fe4f8 | 763 | error (_("Fork failed")); |
d318976c FN |
764 | #endif /* Can fork. */ |
765 | } | |
766 | ||
0378c332 FN |
767 | static void |
768 | edit_command (char *arg, int from_tty) | |
769 | { | |
770 | struct symtabs_and_lines sals; | |
771 | struct symtab_and_line sal; | |
772 | struct symbol *sym; | |
773 | char *arg1; | |
0378c332 | 774 | char *editor; |
a955ca71 | 775 | char *p, *fn; |
0378c332 | 776 | |
d5529a84 | 777 | /* Pull in the current default source line if necessary. */ |
0378c332 | 778 | if (arg == 0) |
53cb0458 FN |
779 | { |
780 | set_default_source_symtab_and_line (); | |
781 | sal = get_current_source_symtab_and_line (); | |
782 | } | |
0378c332 | 783 | |
ebcd3b23 | 784 | /* Bare "edit" edits file with present line. */ |
0378c332 FN |
785 | |
786 | if (arg == 0) | |
787 | { | |
788 | if (sal.symtab == 0) | |
8a3fe4f8 | 789 | error (_("No default source file yet.")); |
0378c332 FN |
790 | sal.line += get_lines_to_list () / 2; |
791 | } | |
792 | else | |
793 | { | |
d5529a84 | 794 | /* Now should only be one argument -- decode it in SAL. */ |
0378c332 FN |
795 | |
796 | arg1 = arg; | |
58438ac1 | 797 | sals = decode_line_1 (&arg1, 0, 0, 0, 0); |
0378c332 | 798 | |
d5529a84 TT |
799 | if (! sals.nelts) |
800 | { | |
801 | /* C++ */ | |
802 | return; | |
803 | } | |
804 | if (sals.nelts > 1) | |
805 | { | |
806 | ambiguous_line_spec (&sals); | |
807 | xfree (sals.sals); | |
808 | return; | |
809 | } | |
0378c332 FN |
810 | |
811 | sal = sals.sals[0]; | |
812 | xfree (sals.sals); | |
813 | ||
814 | if (*arg1) | |
8a3fe4f8 | 815 | error (_("Junk at end of line specification.")); |
0378c332 | 816 | |
ebcd3b23 MS |
817 | /* If line was specified by address, first print exactly which |
818 | line, and which file. In this case, sal.symtab == 0 means | |
819 | address is outside of all known source files, not that user | |
820 | failed to give a filename. */ | |
0378c332 FN |
821 | if (*arg == '*') |
822 | { | |
5af949e3 | 823 | struct gdbarch *gdbarch; |
cdb27c12 | 824 | |
0378c332 FN |
825 | if (sal.symtab == 0) |
826 | /* FIXME-32x64--assumes sal.pc fits in long. */ | |
8a3fe4f8 | 827 | error (_("No source file for address %s."), |
bb599908 | 828 | hex_string ((unsigned long) sal.pc)); |
5af949e3 UW |
829 | |
830 | gdbarch = get_objfile_arch (sal.symtab->objfile); | |
0378c332 FN |
831 | sym = find_pc_function (sal.pc); |
832 | if (sym) | |
5af949e3 UW |
833 | printf_filtered ("%s is in %s (%s:%d).\n", |
834 | paddress (gdbarch, sal.pc), | |
835 | SYMBOL_PRINT_NAME (sym), | |
836 | sal.symtab->filename, sal.line); | |
0378c332 | 837 | else |
5af949e3 UW |
838 | printf_filtered ("%s is at %s:%d.\n", |
839 | paddress (gdbarch, sal.pc), | |
50ee7535 | 840 | sal.symtab->filename, sal.line); |
0378c332 FN |
841 | } |
842 | ||
ebcd3b23 MS |
843 | /* If what was given does not imply a symtab, it must be an |
844 | undebuggable symbol which means no source code. */ | |
0378c332 FN |
845 | |
846 | if (sal.symtab == 0) | |
8a3fe4f8 | 847 | error (_("No line number known for %s."), arg); |
0378c332 FN |
848 | } |
849 | ||
850 | if ((editor = (char *) getenv ("EDITOR")) == NULL) | |
851 | editor = "/bin/ex"; | |
a955ca71 | 852 | |
a955ca71 EZ |
853 | /* If we don't already know the full absolute file name of the |
854 | source file, find it now. */ | |
855 | if (!sal.symtab->fullname) | |
856 | { | |
857 | fn = symtab_to_fullname (sal.symtab); | |
858 | if (!fn) | |
859 | fn = "unknown"; | |
860 | } | |
861 | else | |
862 | fn = sal.symtab->fullname; | |
0378c332 | 863 | |
a955ca71 EZ |
864 | /* Quote the file name, in case it has whitespace or other special |
865 | characters. */ | |
866 | p = xstrprintf ("%s +%d \"%s\"", editor, sal.line, fn); | |
d5529a84 TT |
867 | shell_escape (p, from_tty); |
868 | xfree (p); | |
0378c332 FN |
869 | } |
870 | ||
871 | static void | |
872 | list_command (char *arg, int from_tty) | |
873 | { | |
874 | struct symtabs_and_lines sals, sals_end; | |
245c7f48 DJ |
875 | struct symtab_and_line sal = { 0 }; |
876 | struct symtab_and_line sal_end = { 0 }; | |
877 | struct symtab_and_line cursal = { 0 }; | |
0378c332 FN |
878 | struct symbol *sym; |
879 | char *arg1; | |
880 | int no_end = 1; | |
881 | int dummy_end = 0; | |
882 | int dummy_beg = 0; | |
883 | int linenum_beg = 0; | |
884 | char *p; | |
885 | ||
ebcd3b23 | 886 | /* Pull in the current default source line if necessary. */ |
0378c332 | 887 | if (arg == 0 || arg[0] == '+' || arg[0] == '-') |
53cb0458 FN |
888 | { |
889 | set_default_source_symtab_and_line (); | |
890 | cursal = get_current_source_symtab_and_line (); | |
891 | } | |
0378c332 FN |
892 | |
893 | /* "l" or "l +" lists next ten lines. */ | |
894 | ||
6314a349 | 895 | if (arg == 0 || strcmp (arg, "+") == 0) |
0378c332 FN |
896 | { |
897 | print_source_lines (cursal.symtab, cursal.line, | |
898 | cursal.line + get_lines_to_list (), 0); | |
899 | return; | |
900 | } | |
901 | ||
ebcd3b23 MS |
902 | /* "l -" lists previous ten lines, the ones before the ten just |
903 | listed. */ | |
6314a349 | 904 | if (strcmp (arg, "-") == 0) |
0378c332 FN |
905 | { |
906 | print_source_lines (cursal.symtab, | |
9a2b4c1b MS |
907 | max (get_first_line_listed () |
908 | - get_lines_to_list (), 1), | |
0378c332 FN |
909 | get_first_line_listed (), 0); |
910 | return; | |
911 | } | |
912 | ||
913 | /* Now if there is only one argument, decode it in SAL | |
914 | and set NO_END. | |
915 | If there are two arguments, decode them in SAL and SAL_END | |
916 | and clear NO_END; however, if one of the arguments is blank, | |
917 | set DUMMY_BEG or DUMMY_END to record that fact. */ | |
918 | ||
919 | if (!have_full_symbols () && !have_partial_symbols ()) | |
8a3fe4f8 | 920 | error (_("No symbol table is loaded. Use the \"file\" command.")); |
0378c332 FN |
921 | |
922 | arg1 = arg; | |
923 | if (*arg1 == ',') | |
924 | dummy_beg = 1; | |
925 | else | |
926 | { | |
58438ac1 | 927 | sals = decode_line_1 (&arg1, 0, 0, 0, 0); |
0378c332 FN |
928 | |
929 | if (!sals.nelts) | |
930 | return; /* C++ */ | |
931 | if (sals.nelts > 1) | |
932 | { | |
933 | ambiguous_line_spec (&sals); | |
934 | xfree (sals.sals); | |
935 | return; | |
936 | } | |
937 | ||
938 | sal = sals.sals[0]; | |
939 | xfree (sals.sals); | |
940 | } | |
941 | ||
942 | /* Record whether the BEG arg is all digits. */ | |
943 | ||
944 | for (p = arg; p != arg1 && *p >= '0' && *p <= '9'; p++); | |
945 | linenum_beg = (p == arg1); | |
946 | ||
947 | while (*arg1 == ' ' || *arg1 == '\t') | |
948 | arg1++; | |
949 | if (*arg1 == ',') | |
950 | { | |
951 | no_end = 0; | |
952 | arg1++; | |
953 | while (*arg1 == ' ' || *arg1 == '\t') | |
954 | arg1++; | |
955 | if (*arg1 == 0) | |
956 | dummy_end = 1; | |
957 | else | |
958 | { | |
959 | if (dummy_beg) | |
58438ac1 | 960 | sals_end = decode_line_1 (&arg1, 0, 0, 0, 0); |
0378c332 | 961 | else |
58438ac1 | 962 | sals_end = decode_line_1 (&arg1, 0, sal.symtab, sal.line, 0); |
0378c332 FN |
963 | if (sals_end.nelts == 0) |
964 | return; | |
965 | if (sals_end.nelts > 1) | |
966 | { | |
967 | ambiguous_line_spec (&sals_end); | |
968 | xfree (sals_end.sals); | |
969 | return; | |
970 | } | |
971 | sal_end = sals_end.sals[0]; | |
972 | xfree (sals_end.sals); | |
973 | } | |
974 | } | |
975 | ||
976 | if (*arg1) | |
8a3fe4f8 | 977 | error (_("Junk at end of line specification.")); |
0378c332 FN |
978 | |
979 | if (!no_end && !dummy_beg && !dummy_end | |
980 | && sal.symtab != sal_end.symtab) | |
8a3fe4f8 | 981 | error (_("Specified start and end are in different files.")); |
0378c332 | 982 | if (dummy_beg && dummy_end) |
8a3fe4f8 | 983 | error (_("Two empty args do not say what lines to list.")); |
0378c332 | 984 | |
ebcd3b23 | 985 | /* If line was specified by address, |
0378c332 | 986 | first print exactly which line, and which file. |
ebcd3b23 MS |
987 | |
988 | In this case, sal.symtab == 0 means address is outside of all | |
989 | known source files, not that user failed to give a filename. */ | |
0378c332 FN |
990 | if (*arg == '*') |
991 | { | |
5af949e3 | 992 | struct gdbarch *gdbarch; |
cdb27c12 | 993 | |
0378c332 FN |
994 | if (sal.symtab == 0) |
995 | /* FIXME-32x64--assumes sal.pc fits in long. */ | |
8a3fe4f8 | 996 | error (_("No source file for address %s."), |
bb599908 | 997 | hex_string ((unsigned long) sal.pc)); |
5af949e3 UW |
998 | |
999 | gdbarch = get_objfile_arch (sal.symtab->objfile); | |
0378c332 FN |
1000 | sym = find_pc_function (sal.pc); |
1001 | if (sym) | |
50ee7535 | 1002 | printf_filtered ("%s is in %s (%s:%d).\n", |
5af949e3 UW |
1003 | paddress (gdbarch, sal.pc), |
1004 | SYMBOL_PRINT_NAME (sym), | |
50ee7535 | 1005 | sal.symtab->filename, sal.line); |
0378c332 | 1006 | else |
5af949e3 UW |
1007 | printf_filtered ("%s is at %s:%d.\n", |
1008 | paddress (gdbarch, sal.pc), | |
50ee7535 | 1009 | sal.symtab->filename, sal.line); |
0378c332 FN |
1010 | } |
1011 | ||
ebcd3b23 MS |
1012 | /* If line was not specified by just a line number, and it does not |
1013 | imply a symtab, it must be an undebuggable symbol which means no | |
1014 | source code. */ | |
0378c332 FN |
1015 | |
1016 | if (!linenum_beg && sal.symtab == 0) | |
8a3fe4f8 | 1017 | error (_("No line number known for %s."), arg); |
0378c332 FN |
1018 | |
1019 | /* If this command is repeated with RET, | |
1020 | turn it into the no-arg variant. */ | |
1021 | ||
1022 | if (from_tty) | |
1023 | *arg = 0; | |
1024 | ||
1025 | if (dummy_beg && sal_end.symtab == 0) | |
8a3fe4f8 | 1026 | error (_("No default source file yet. Do \"help list\".")); |
0378c332 FN |
1027 | if (dummy_beg) |
1028 | print_source_lines (sal_end.symtab, | |
1029 | max (sal_end.line - (get_lines_to_list () - 1), 1), | |
1030 | sal_end.line + 1, 0); | |
1031 | else if (sal.symtab == 0) | |
8a3fe4f8 | 1032 | error (_("No default source file yet. Do \"help list\".")); |
0378c332 FN |
1033 | else if (no_end) |
1034 | { | |
1035 | int first_line = sal.line - get_lines_to_list () / 2; | |
1036 | ||
1037 | if (first_line < 1) first_line = 1; | |
1038 | ||
1039 | print_source_lines (sal.symtab, | |
1040 | first_line, | |
1041 | first_line + get_lines_to_list (), | |
1042 | 0); | |
1043 | } | |
1044 | else | |
1045 | print_source_lines (sal.symtab, sal.line, | |
1046 | (dummy_end | |
1047 | ? sal.line + get_lines_to_list () | |
1048 | : sal_end.line + 1), | |
1049 | 0); | |
1050 | } | |
1051 | ||
d14508fe DE |
1052 | /* Subroutine of disassemble_command to simplify it. |
1053 | Perform the disassembly. | |
1054 | NAME is the name of the function if known, or NULL. | |
1055 | [LOW,HIGH) are the range of addresses to disassemble. | |
1056 | MIXED is non-zero to print source with the assembler. */ | |
1057 | ||
1058 | static void | |
13274fc3 | 1059 | print_disassembly (struct gdbarch *gdbarch, const char *name, |
e6158f16 | 1060 | CORE_ADDR low, CORE_ADDR high, int flags) |
d14508fe DE |
1061 | { |
1062 | #if defined(TUI) | |
1063 | if (!tui_is_window_visible (DISASSEM_WIN)) | |
1064 | #endif | |
1065 | { | |
1066 | printf_filtered ("Dump of assembler code "); | |
1067 | if (name != NULL) | |
1068 | printf_filtered ("for function %s:\n", name); | |
1069 | else | |
5af949e3 UW |
1070 | printf_filtered ("from %s to %s:\n", |
1071 | paddress (gdbarch, low), paddress (gdbarch, high)); | |
d14508fe DE |
1072 | |
1073 | /* Dump the specified range. */ | |
79a45e25 | 1074 | gdb_disassembly (gdbarch, current_uiout, 0, flags, -1, low, high); |
d14508fe DE |
1075 | |
1076 | printf_filtered ("End of assembler dump.\n"); | |
1077 | gdb_flush (gdb_stdout); | |
1078 | } | |
1079 | #if defined(TUI) | |
1080 | else | |
1081 | { | |
13274fc3 | 1082 | tui_show_assembly (gdbarch, low); |
d14508fe DE |
1083 | } |
1084 | #endif | |
1085 | } | |
1086 | ||
1087 | /* Subroutine of disassemble_command to simplify it. | |
9c419145 | 1088 | Print a disassembly of the current function according to FLAGS. */ |
d14508fe DE |
1089 | |
1090 | static void | |
e6158f16 | 1091 | disassemble_current_function (int flags) |
d14508fe | 1092 | { |
13274fc3 UW |
1093 | struct frame_info *frame; |
1094 | struct gdbarch *gdbarch; | |
d14508fe DE |
1095 | CORE_ADDR low, high, pc; |
1096 | char *name; | |
1097 | ||
13274fc3 UW |
1098 | frame = get_selected_frame (_("No frame selected.")); |
1099 | gdbarch = get_frame_arch (frame); | |
1100 | pc = get_frame_pc (frame); | |
d14508fe DE |
1101 | if (find_pc_partial_function (pc, &name, &low, &high) == 0) |
1102 | error (_("No function contains program counter for selected frame.")); | |
1103 | #if defined(TUI) | |
1104 | /* NOTE: cagney/2003-02-13 The `tui_active' was previously | |
1105 | `tui_version'. */ | |
1106 | if (tui_active) | |
1107 | /* FIXME: cagney/2004-02-07: This should be an observer. */ | |
13274fc3 | 1108 | low = tui_get_low_disassembly_address (gdbarch, low, pc); |
d14508fe | 1109 | #endif |
13274fc3 | 1110 | low += gdbarch_deprecated_function_start_offset (gdbarch); |
d14508fe | 1111 | |
e6158f16 | 1112 | print_disassembly (gdbarch, name, low, high, flags); |
d14508fe DE |
1113 | } |
1114 | ||
1115 | /* Dump a specified section of assembly code. | |
1116 | ||
1117 | Usage: | |
e6158f16 | 1118 | disassemble [/mr] |
d14508fe | 1119 | - dump the assembly code for the function of the current pc |
e6158f16 | 1120 | disassemble [/mr] addr |
d14508fe | 1121 | - dump the assembly code for the function at ADDR |
53a71c06 CR |
1122 | disassemble [/mr] low,high |
1123 | disassemble [/mr] low,+length | |
1124 | - dump the assembly code in the range [LOW,HIGH), or [LOW,LOW+length) | |
d14508fe | 1125 | |
e6158f16 HZ |
1126 | A /m modifier will include source code with the assembly. |
1127 | A /r modifier will include raw instructions in hex with the assembly. */ | |
83c31e7d | 1128 | |
83c31e7d FN |
1129 | static void |
1130 | disassemble_command (char *arg, int from_tty) | |
1131 | { | |
13274fc3 | 1132 | struct gdbarch *gdbarch = get_current_arch (); |
83c31e7d FN |
1133 | CORE_ADDR low, high; |
1134 | char *name; | |
d36fc00b | 1135 | CORE_ADDR pc; |
e6158f16 | 1136 | int flags; |
83c31e7d FN |
1137 | |
1138 | name = NULL; | |
e6158f16 | 1139 | flags = 0; |
d14508fe DE |
1140 | |
1141 | if (arg && *arg == '/') | |
83c31e7d | 1142 | { |
d14508fe DE |
1143 | ++arg; |
1144 | ||
1145 | if (*arg == '\0') | |
1146 | error (_("Missing modifier.")); | |
1147 | ||
1148 | while (*arg && ! isspace (*arg)) | |
1149 | { | |
1150 | switch (*arg++) | |
1151 | { | |
1152 | case 'm': | |
e6158f16 HZ |
1153 | flags |= DISASSEMBLY_SOURCE; |
1154 | break; | |
1155 | case 'r': | |
1156 | flags |= DISASSEMBLY_RAW_INSN; | |
d14508fe DE |
1157 | break; |
1158 | default: | |
1159 | error (_("Invalid disassembly modifier.")); | |
1160 | } | |
1161 | } | |
1162 | ||
1163 | while (isspace (*arg)) | |
1164 | ++arg; | |
1165 | } | |
1166 | ||
1167 | if (! arg || ! *arg) | |
1168 | { | |
9c419145 | 1169 | flags |= DISASSEMBLY_OMIT_FNAME; |
e6158f16 | 1170 | disassemble_current_function (flags); |
d14508fe | 1171 | return; |
83c31e7d | 1172 | } |
d14508fe | 1173 | |
21a0512e PP |
1174 | pc = value_as_address (parse_to_comma_and_eval (&arg)); |
1175 | if (arg[0] == ',') | |
1176 | ++arg; | |
1177 | if (arg[0] == '\0') | |
83c31e7d FN |
1178 | { |
1179 | /* One argument. */ | |
83c31e7d | 1180 | if (find_pc_partial_function (pc, &name, &low, &high) == 0) |
8a3fe4f8 | 1181 | error (_("No function contains specified address.")); |
83c31e7d | 1182 | #if defined(TUI) |
021e7609 AC |
1183 | /* NOTE: cagney/2003-02-13 The `tui_active' was previously |
1184 | `tui_version'. */ | |
22940a24 AC |
1185 | if (tui_active) |
1186 | /* FIXME: cagney/2004-02-07: This should be an observer. */ | |
13274fc3 | 1187 | low = tui_get_low_disassembly_address (gdbarch, low, pc); |
83c31e7d | 1188 | #endif |
13274fc3 | 1189 | low += gdbarch_deprecated_function_start_offset (gdbarch); |
9c419145 | 1190 | flags |= DISASSEMBLY_OMIT_FNAME; |
83c31e7d FN |
1191 | } |
1192 | else | |
1193 | { | |
1194 | /* Two arguments. */ | |
53a71c06 | 1195 | int incl_flag = 0; |
21a0512e | 1196 | low = pc; |
53a71c06 CR |
1197 | while (isspace (*arg)) |
1198 | arg++; | |
1199 | if (arg[0] == '+') | |
1200 | { | |
1201 | ++arg; | |
1202 | incl_flag = 1; | |
1203 | } | |
21a0512e | 1204 | high = parse_and_eval_address (arg); |
53a71c06 CR |
1205 | if (incl_flag) |
1206 | high += low; | |
83c31e7d FN |
1207 | } |
1208 | ||
e6158f16 | 1209 | print_disassembly (gdbarch, name, low, high, flags); |
83c31e7d FN |
1210 | } |
1211 | ||
d318976c FN |
1212 | static void |
1213 | make_command (char *arg, int from_tty) | |
1214 | { | |
1215 | char *p; | |
1216 | ||
1217 | if (arg == 0) | |
1218 | p = "make"; | |
1219 | else | |
1220 | { | |
1221 | p = xmalloc (sizeof ("make ") + strlen (arg)); | |
1222 | strcpy (p, "make "); | |
1223 | strcpy (p + sizeof ("make ") - 1, arg); | |
1224 | } | |
1225 | ||
1226 | shell_escape (p, from_tty); | |
1227 | } | |
1228 | ||
d318976c FN |
1229 | static void |
1230 | show_user (char *args, int from_tty) | |
1231 | { | |
1232 | struct cmd_list_element *c; | |
1233 | extern struct cmd_list_element *cmdlist; | |
1234 | ||
1235 | if (args) | |
1236 | { | |
adb483fe | 1237 | char *comname = args; |
cdb27c12 | 1238 | |
adb483fe | 1239 | c = lookup_cmd (&comname, cmdlist, "", 0, 1); |
d318976c | 1240 | if (c->class != class_user) |
8a3fe4f8 | 1241 | error (_("Not a user command.")); |
adb483fe | 1242 | show_user_1 (c, "", args, gdb_stdout); |
d318976c FN |
1243 | } |
1244 | else | |
1245 | { | |
1246 | for (c = cmdlist; c; c = c->next) | |
1247 | { | |
adb483fe DJ |
1248 | if (c->class == class_user || c->prefixlist != NULL) |
1249 | show_user_1 (c, "", c->name, gdb_stdout); | |
d318976c FN |
1250 | } |
1251 | } | |
1252 | } | |
1253 | ||
1254 | /* Search through names of commands and documentations for a certain | |
ebcd3b23 MS |
1255 | regular expression. */ |
1256 | ||
d318976c FN |
1257 | void |
1258 | apropos_command (char *searchstr, int from_tty) | |
1259 | { | |
d318976c | 1260 | regex_t pattern; |
dc92e161 | 1261 | int code; |
cdb27c12 | 1262 | |
d318976c | 1263 | if (searchstr == NULL) |
f55af66d | 1264 | error (_("REGEXP string is empty")); |
d318976c | 1265 | |
dc92e161 TT |
1266 | code = regcomp (&pattern, searchstr, REG_ICASE); |
1267 | if (code == 0) | |
1268 | { | |
1269 | struct cleanup *cleanups; | |
1270 | ||
1271 | cleanups = make_regfree_cleanup (&pattern); | |
1272 | apropos_cmd (gdb_stdout, cmdlist, &pattern, ""); | |
1273 | do_cleanups (cleanups); | |
1274 | } | |
d318976c FN |
1275 | else |
1276 | { | |
dc92e161 TT |
1277 | char *err = get_regcomp_error (code, &pattern); |
1278 | ||
1279 | make_cleanup (xfree, err); | |
1280 | error (_("Error in regular expression: %s"), err); | |
d318976c | 1281 | } |
d318976c | 1282 | } |
5a56e9c5 DE |
1283 | |
1284 | /* Subroutine of alias_command to simplify it. | |
1285 | Return the first N elements of ARGV flattened back to a string | |
1286 | with a space separating each element. | |
1287 | ARGV may not be NULL. | |
1288 | This does not take care of quoting elements in case they contain spaces | |
1289 | on purpose. */ | |
1290 | ||
1291 | static dyn_string_t | |
1292 | argv_to_dyn_string (char **argv, int n) | |
1293 | { | |
1294 | int i; | |
1295 | dyn_string_t result = dyn_string_new (10); | |
1296 | ||
1297 | gdb_assert (argv != NULL); | |
1298 | gdb_assert (n >= 0 && n <= countargv (argv)); | |
1299 | ||
1300 | for (i = 0; i < n; ++i) | |
1301 | { | |
1302 | if (i > 0) | |
1303 | dyn_string_append_char (result, ' '); | |
1304 | dyn_string_append_cstr (result, argv[i]); | |
1305 | } | |
1306 | ||
1307 | return result; | |
1308 | } | |
1309 | ||
1310 | /* Subroutine of alias_command to simplify it. | |
1311 | Return TRUE if COMMAND exists, unambiguously. Otherwise FALSE. */ | |
1312 | ||
1313 | static int | |
1314 | valid_command_p (char *command) | |
1315 | { | |
1316 | struct cmd_list_element *c; | |
1317 | ||
1318 | c = lookup_cmd_1 (& command, cmdlist, NULL, 1); | |
1319 | ||
1320 | if (c == NULL || c == (struct cmd_list_element *) -1) | |
1321 | return FALSE; | |
1322 | ||
1323 | /* This is the slightly tricky part. | |
1324 | lookup_cmd_1 will return a pointer to the last part of COMMAND | |
1325 | to match, leaving COMMAND pointing at the remainder. */ | |
1326 | while (*command == ' ' || *command == '\t') | |
1327 | ++command; | |
1328 | return *command == '\0'; | |
1329 | } | |
1330 | ||
1331 | /* Make an alias of an existing command. */ | |
1332 | ||
1333 | static void | |
1334 | alias_command (char *args, int from_tty) | |
1335 | { | |
1336 | int i, alias_argc, command_argc; | |
1337 | int abbrev_flag = 0; | |
1338 | char *args2, *equals, *alias, *command; | |
1339 | char **alias_argv, **command_argv; | |
1340 | dyn_string_t alias_dyn_string, command_dyn_string; | |
1341 | struct cmd_list_element *c; | |
1342 | static const char usage[] = N_("Usage: alias [-a] [--] ALIAS = COMMAND"); | |
1343 | ||
1344 | if (args == NULL || strchr (args, '=') == NULL) | |
1345 | error (_(usage)); | |
1346 | ||
1347 | args2 = xstrdup (args); | |
1348 | make_cleanup (xfree, args2); | |
1349 | equals = strchr (args2, '='); | |
1350 | *equals = '\0'; | |
1351 | alias_argv = gdb_buildargv (args2); | |
1352 | make_cleanup_freeargv (alias_argv); | |
1353 | command_argv = gdb_buildargv (equals + 1); | |
1354 | make_cleanup_freeargv (command_argv); | |
1355 | ||
1356 | for (i = 0; alias_argv[i] != NULL; ) | |
1357 | { | |
1358 | if (strcmp (alias_argv[i], "-a") == 0) | |
1359 | { | |
1360 | ++alias_argv; | |
1361 | abbrev_flag = 1; | |
1362 | } | |
1363 | else if (strcmp (alias_argv[i], "--") == 0) | |
1364 | { | |
1365 | ++alias_argv; | |
1366 | break; | |
1367 | } | |
1368 | else | |
1369 | break; | |
1370 | } | |
1371 | ||
1372 | if (alias_argv[0] == NULL || command_argv[0] == NULL | |
1373 | || *alias_argv[0] == '\0' || *command_argv[0] == '\0') | |
1374 | error (_(usage)); | |
1375 | ||
1376 | for (i = 0; alias_argv[i] != NULL; ++i) | |
1377 | { | |
1378 | if (! valid_user_defined_cmd_name_p (alias_argv[i])) | |
1379 | { | |
1380 | if (i == 0) | |
1381 | error (_("Invalid command name: %s"), alias_argv[i]); | |
1382 | else | |
1383 | error (_("Invalid command element name: %s"), alias_argv[i]); | |
1384 | } | |
1385 | } | |
1386 | ||
1387 | alias_argc = countargv (alias_argv); | |
1388 | command_argc = countargv (command_argv); | |
1389 | ||
1390 | /* COMMAND must exist. | |
1391 | Reconstruct the command to remove any extraneous spaces, | |
1392 | for better error messages. */ | |
1393 | command_dyn_string = argv_to_dyn_string (command_argv, command_argc); | |
1394 | make_cleanup_dyn_string_delete (command_dyn_string); | |
1395 | command = dyn_string_buf (command_dyn_string); | |
1396 | if (! valid_command_p (command)) | |
1397 | error (_("Invalid command to alias to: %s"), command); | |
1398 | ||
1399 | /* ALIAS must not exist. */ | |
1400 | alias_dyn_string = argv_to_dyn_string (alias_argv, alias_argc); | |
1401 | make_cleanup_dyn_string_delete (alias_dyn_string); | |
1402 | alias = dyn_string_buf (alias_dyn_string); | |
1403 | if (valid_command_p (alias)) | |
1404 | error (_("Alias already exists: %s"), alias); | |
1405 | ||
1406 | /* If ALIAS is one word, it is an alias for the entire COMMAND. | |
1407 | Example: alias spe = set print elements | |
1408 | ||
1409 | Otherwise ALIAS and COMMAND must have the same number of words, | |
1410 | and every word except the last must match; and the last word of | |
1411 | ALIAS is made an alias of the last word of COMMAND. | |
1412 | Example: alias set print elms = set pr elem | |
1413 | Note that unambiguous abbreviations are allowed. */ | |
1414 | ||
1415 | if (alias_argc == 1) | |
1416 | { | |
1417 | /* add_cmd requires *we* allocate space for name, hence the xstrdup. */ | |
1418 | add_com_alias (xstrdup (alias_argv[0]), command, class_alias, | |
1419 | abbrev_flag); | |
1420 | } | |
1421 | else | |
1422 | { | |
1423 | int i; | |
1424 | dyn_string_t alias_prefix_dyn_string, command_prefix_dyn_string; | |
1425 | char *alias_prefix, *command_prefix; | |
1426 | struct cmd_list_element *c_alias, *c_command; | |
1427 | ||
1428 | if (alias_argc != command_argc) | |
1429 | error (_("Mismatched command length between ALIAS and COMMAND.")); | |
1430 | ||
1431 | /* Create copies of ALIAS and COMMAND without the last word, | |
1432 | and use that to verify the leading elements match. */ | |
1433 | alias_prefix_dyn_string = | |
1434 | argv_to_dyn_string (alias_argv, alias_argc - 1); | |
1435 | make_cleanup_dyn_string_delete (alias_prefix_dyn_string); | |
1436 | command_prefix_dyn_string = | |
1437 | argv_to_dyn_string (alias_argv, command_argc - 1); | |
1438 | make_cleanup_dyn_string_delete (command_prefix_dyn_string); | |
1439 | alias_prefix = dyn_string_buf (alias_prefix_dyn_string); | |
1440 | command_prefix = dyn_string_buf (command_prefix_dyn_string); | |
1441 | ||
1442 | c_command = lookup_cmd_1 (& command_prefix, cmdlist, NULL, 1); | |
1443 | /* We've already tried to look up COMMAND. */ | |
1444 | gdb_assert (c_command != NULL | |
1445 | && c_command != (struct cmd_list_element *) -1); | |
1446 | gdb_assert (c_command->prefixlist != NULL); | |
1447 | c_alias = lookup_cmd_1 (& alias_prefix, cmdlist, NULL, 1); | |
1448 | if (c_alias != c_command) | |
1449 | error (_("ALIAS and COMMAND prefixes do not match.")); | |
1450 | ||
1451 | /* add_cmd requires *we* allocate space for name, hence the xstrdup. */ | |
1452 | add_alias_cmd (xstrdup (alias_argv[alias_argc - 1]), | |
1453 | command_argv[command_argc - 1], | |
1454 | class_alias, abbrev_flag, c_command->prefixlist); | |
1455 | } | |
1456 | } | |
d318976c | 1457 | \f |
0378c332 | 1458 | /* Print a list of files and line numbers which a user may choose from |
ebcd3b23 MS |
1459 | in order to list a function which was specified ambiguously (as |
1460 | with `list classname::overloadedfuncname', for example). The | |
1461 | vector in SALS provides the filenames and line numbers. */ | |
0378c332 FN |
1462 | |
1463 | static void | |
1464 | ambiguous_line_spec (struct symtabs_and_lines *sals) | |
1465 | { | |
1466 | int i; | |
1467 | ||
1468 | for (i = 0; i < sals->nelts; ++i) | |
a3f17187 | 1469 | printf_filtered (_("file: \"%s\", line number: %d\n"), |
0378c332 FN |
1470 | sals->sals[i].symtab->filename, sals->sals[i].line); |
1471 | } | |
1472 | ||
d318976c FN |
1473 | static void |
1474 | set_debug (char *arg, int from_tty) | |
1475 | { | |
9a2b4c1b MS |
1476 | printf_unfiltered (_("\"set debug\" must be followed by " |
1477 | "the name of a debug subcommand.\n")); | |
d318976c FN |
1478 | help_list (setdebuglist, "set debug ", -1, gdb_stdout); |
1479 | } | |
1480 | ||
1481 | static void | |
1482 | show_debug (char *args, int from_tty) | |
1483 | { | |
1484 | cmd_show_list (showdebuglist, from_tty, ""); | |
1485 | } | |
1486 | ||
1487 | void | |
1488 | init_cmd_lists (void) | |
1489 | { | |
20f01a46 DH |
1490 | max_user_call_depth = 1024; |
1491 | ||
d318976c FN |
1492 | cmdlist = NULL; |
1493 | infolist = NULL; | |
1494 | enablelist = NULL; | |
1495 | disablelist = NULL; | |
1496 | togglelist = NULL; | |
1497 | stoplist = NULL; | |
1498 | deletelist = NULL; | |
f73adfeb | 1499 | detachlist = NULL; |
d318976c FN |
1500 | enablebreaklist = NULL; |
1501 | setlist = NULL; | |
1502 | unsetlist = NULL; | |
1503 | showlist = NULL; | |
1504 | sethistlist = NULL; | |
1505 | showhistlist = NULL; | |
1506 | unsethistlist = NULL; | |
1507 | maintenancelist = NULL; | |
1508 | maintenanceinfolist = NULL; | |
1509 | maintenanceprintlist = NULL; | |
1510 | setprintlist = NULL; | |
1511 | showprintlist = NULL; | |
1512 | setchecklist = NULL; | |
1513 | showchecklist = NULL; | |
1514 | } | |
1515 | ||
920d2a44 AC |
1516 | static void |
1517 | show_info_verbose (struct ui_file *file, int from_tty, | |
1518 | struct cmd_list_element *c, | |
1519 | const char *value) | |
1520 | { | |
1521 | if (info_verbose) | |
9a2b4c1b MS |
1522 | fprintf_filtered (file, |
1523 | _("Verbose printing of informational messages is %s.\n"), | |
1524 | value); | |
920d2a44 AC |
1525 | else |
1526 | fprintf_filtered (file, _("Verbosity is %s.\n"), value); | |
1527 | } | |
1528 | ||
1529 | static void | |
1530 | show_history_expansion_p (struct ui_file *file, int from_tty, | |
1531 | struct cmd_list_element *c, const char *value) | |
1532 | { | |
1533 | fprintf_filtered (file, _("History expansion on command input is %s.\n"), | |
1534 | value); | |
1535 | } | |
1536 | ||
1537 | static void | |
1538 | show_baud_rate (struct ui_file *file, int from_tty, | |
1539 | struct cmd_list_element *c, const char *value) | |
1540 | { | |
1541 | fprintf_filtered (file, _("Baud rate for remote serial I/O is %s.\n"), | |
1542 | value); | |
1543 | } | |
1544 | ||
1545 | static void | |
1546 | show_remote_debug (struct ui_file *file, int from_tty, | |
1547 | struct cmd_list_element *c, const char *value) | |
1548 | { | |
1549 | fprintf_filtered (file, _("Debugging of remote protocol is %s.\n"), | |
1550 | value); | |
1551 | } | |
1552 | ||
1553 | static void | |
1554 | show_remote_timeout (struct ui_file *file, int from_tty, | |
1555 | struct cmd_list_element *c, const char *value) | |
1556 | { | |
9a2b4c1b MS |
1557 | fprintf_filtered (file, |
1558 | _("Timeout limit to wait for target to respond is %s.\n"), | |
920d2a44 AC |
1559 | value); |
1560 | } | |
1561 | ||
1562 | static void | |
1563 | show_max_user_call_depth (struct ui_file *file, int from_tty, | |
1564 | struct cmd_list_element *c, const char *value) | |
1565 | { | |
9a2b4c1b MS |
1566 | fprintf_filtered (file, |
1567 | _("The max call depth for user-defined commands is %s.\n"), | |
920d2a44 AC |
1568 | value); |
1569 | } | |
1570 | ||
d318976c FN |
1571 | \f |
1572 | void | |
1573 | init_cli_cmds (void) | |
1574 | { | |
1575 | struct cmd_list_element *c; | |
eaae3919 | 1576 | char *source_help_text; |
d318976c FN |
1577 | |
1578 | /* Define the classes of commands. | |
1579 | They will appear in the help list in the reverse of this order. */ | |
1580 | ||
1a966eab AC |
1581 | add_cmd ("internals", class_maintenance, NULL, _("\ |
1582 | Maintenance commands.\n\ | |
d318976c FN |
1583 | Some gdb commands are provided just for use by gdb maintainers.\n\ |
1584 | These commands are subject to frequent change, and may not be as\n\ | |
1a966eab | 1585 | well documented as user commands."), |
d318976c | 1586 | &cmdlist); |
1a966eab | 1587 | add_cmd ("obscure", class_obscure, NULL, _("Obscure features."), &cmdlist); |
9a2b4c1b MS |
1588 | add_cmd ("aliases", class_alias, NULL, |
1589 | _("Aliases of other commands."), &cmdlist); | |
1a966eab AC |
1590 | add_cmd ("user-defined", class_user, NULL, _("\ |
1591 | User-defined commands.\n\ | |
d318976c | 1592 | The commands in this class are those defined by the user.\n\ |
1a966eab AC |
1593 | Use the \"define\" command to define a command."), &cmdlist); |
1594 | add_cmd ("support", class_support, NULL, _("Support facilities."), &cmdlist); | |
d318976c | 1595 | if (!dbx_commands) |
1a966eab AC |
1596 | add_cmd ("status", class_info, NULL, _("Status inquiries."), &cmdlist); |
1597 | add_cmd ("files", class_files, NULL, _("Specifying and examining files."), | |
1598 | &cmdlist); | |
1599 | add_cmd ("breakpoints", class_breakpoint, NULL, | |
1600 | _("Making program stop at certain points."), &cmdlist); | |
1601 | add_cmd ("data", class_vars, NULL, _("Examining data."), &cmdlist); | |
1602 | add_cmd ("stack", class_stack, NULL, _("\ | |
1603 | Examining the stack.\n\ | |
d318976c FN |
1604 | The stack is made up of stack frames. Gdb assigns numbers to stack frames\n\ |
1605 | counting from zero for the innermost (currently executing) frame.\n\n\ | |
1606 | At any time gdb identifies one frame as the \"selected\" frame.\n\ | |
1607 | Variable lookups are done with respect to the selected frame.\n\ | |
1608 | When the program being debugged stops, gdb selects the innermost frame.\n\ | |
1a966eab | 1609 | The commands below can be used to select other frames by number or address."), |
d318976c | 1610 | &cmdlist); |
1a966eab | 1611 | add_cmd ("running", class_run, NULL, _("Running the program."), &cmdlist); |
d318976c | 1612 | |
ebcd3b23 | 1613 | /* Define general commands. */ |
d318976c | 1614 | |
d729566a | 1615 | add_com ("pwd", class_files, pwd_command, _("\ |
1bedd215 | 1616 | Print working directory. This is used for your program as well.")); |
4f8d22e3 | 1617 | |
1a966eab AC |
1618 | c = add_cmd ("cd", class_files, cd_command, _("\ |
1619 | Set working directory to DIR for debugger and program being debugged.\n\ | |
d318976c | 1620 | The change does not take effect for the program being debugged\n\ |
1a966eab | 1621 | until the next time it is started."), &cmdlist); |
5ba2abeb | 1622 | set_cmd_completer (c, filename_completer); |
d318976c | 1623 | |
1bedd215 AC |
1624 | add_com ("echo", class_support, echo_command, _("\ |
1625 | Print a constant string. Give string as argument.\n\ | |
d318976c FN |
1626 | C escape sequences may be used in the argument.\n\ |
1627 | No newline is added at the end of the argument;\n\ | |
1628 | use \"\\n\" if you want a newline to be printed.\n\ | |
1629 | Since leading and trailing whitespace are ignored in command arguments,\n\ | |
1630 | if you want to print some you must use \"\\\" before leading whitespace\n\ | |
1bedd215 AC |
1631 | to be printed or after trailing whitespace.")); |
1632 | add_com ("document", class_support, document_command, _("\ | |
1633 | Document a user-defined command.\n\ | |
d318976c | 1634 | Give command name as argument. Give documentation on following lines.\n\ |
1bedd215 AC |
1635 | End with a line of just \"end\".")); |
1636 | add_com ("define", class_support, define_command, _("\ | |
1637 | Define a new command name. Command name is argument.\n\ | |
d318976c FN |
1638 | Definition appears on following lines, one command per line.\n\ |
1639 | End with a line of just \"end\".\n\ | |
1640 | Use the \"document\" command to give documentation for the new command.\n\ | |
1bedd215 | 1641 | Commands defined in this way may have up to ten arguments.")); |
d318976c | 1642 | |
eaae3919 | 1643 | source_help_text = xstrprintf (_("\ |
1a966eab | 1644 | Read commands from a file named FILE.\n\ |
3f7b2faa DE |
1645 | \n\ |
1646 | Usage: source [-s] [-v] FILE\n\ | |
1647 | -s: search for the script in the source search path,\n\ | |
1648 | even if FILE contains directories.\n\ | |
1649 | -v: each command in FILE is echoed as it is executed.\n\ | |
1650 | \n\ | |
eaae3919 | 1651 | Note that the file \"%s\" is read automatically in this way\n\ |
16026cd7 | 1652 | when GDB is started."), gdbinit); |
eaae3919 EZ |
1653 | c = add_cmd ("source", class_support, source_command, |
1654 | source_help_text, &cmdlist); | |
5ba2abeb | 1655 | set_cmd_completer (c, filename_completer); |
d318976c | 1656 | |
973817a3 JB |
1657 | add_setshow_enum_cmd ("script-extension", class_support, |
1658 | script_ext_enums, &script_ext_mode, _("\ | |
1659 | Set mode for script filename extension recognition."), _("\ | |
1660 | Show mode for script filename extension recognition."), _("\ | |
1661 | off == no filename extension recognition (all sourced files are GDB scripts)\n\ | |
1662 | soft == evaluate script according to filename extension, fallback to GDB script" | |
1663 | "\n\ | |
1664 | strict == evaluate script according to filename extension, error if not supported" | |
1665 | ), | |
1666 | NULL, | |
1667 | show_script_ext_mode, | |
1668 | &setlist, &showlist); | |
1669 | ||
1bedd215 AC |
1670 | add_com ("quit", class_support, quit_command, _("Exit gdb.")); |
1671 | c = add_com ("help", class_support, help_command, | |
1672 | _("Print list of commands.")); | |
5ba2abeb | 1673 | set_cmd_completer (c, command_completer); |
d318976c FN |
1674 | add_com_alias ("q", "quit", class_support, 1); |
1675 | add_com_alias ("h", "help", class_support, 1); | |
1676 | ||
5bf193a2 AC |
1677 | add_setshow_boolean_cmd ("verbose", class_support, &info_verbose, _("\ |
1678 | Set verbosity."), _("\ | |
1679 | Show verbosity."), NULL, | |
1680 | set_verbose, | |
920d2a44 | 1681 | show_info_verbose, |
5bf193a2 | 1682 | &setlist, &showlist); |
d318976c FN |
1683 | |
1684 | add_prefix_cmd ("history", class_support, set_history, | |
1bedd215 | 1685 | _("Generic command for setting command history parameters."), |
d318976c FN |
1686 | &sethistlist, "set history ", 0, &setlist); |
1687 | add_prefix_cmd ("history", class_support, show_history, | |
1bedd215 | 1688 | _("Generic command for showing command history parameters."), |
d318976c FN |
1689 | &showhistlist, "show history ", 0, &showlist); |
1690 | ||
5bf193a2 AC |
1691 | add_setshow_boolean_cmd ("expansion", no_class, &history_expansion_p, _("\ |
1692 | Set history expansion on command input."), _("\ | |
1693 | Show history expansion on command input."), _("\ | |
1694 | Without an argument, history expansion is enabled."), | |
1695 | NULL, | |
920d2a44 | 1696 | show_history_expansion_p, |
5bf193a2 | 1697 | &sethistlist, &showhistlist); |
d318976c | 1698 | |
d729566a | 1699 | add_prefix_cmd ("info", class_info, info_command, _("\ |
1bedd215 | 1700 | Generic command for showing things about the program being debugged."), |
d729566a | 1701 | &infolist, "info ", 0, &cmdlist); |
d318976c | 1702 | add_com_alias ("i", "info", class_info, 1); |
a177aad3 | 1703 | add_com_alias ("inf", "info", class_info, 1); |
d318976c FN |
1704 | |
1705 | add_com ("complete", class_obscure, complete_command, | |
1bedd215 | 1706 | _("List the completions for the rest of the line as a command.")); |
d318976c | 1707 | |
d729566a | 1708 | add_prefix_cmd ("show", class_info, show_command, _("\ |
700b53b1 | 1709 | Generic command for showing things about the debugger."), |
d729566a | 1710 | &showlist, "show ", 0, &cmdlist); |
d318976c | 1711 | /* Another way to get at the same thing. */ |
1bedd215 | 1712 | add_info ("set", show_command, _("Show all GDB settings.")); |
d318976c | 1713 | |
db5f229b | 1714 | add_cmd ("commands", no_set_class, show_commands, _("\ |
1a966eab | 1715 | Show the history of commands you typed.\n\ |
d318976c | 1716 | You can supply a command number to start with, or a `+' to start after\n\ |
1a966eab | 1717 | the previous command number shown."), |
d318976c FN |
1718 | &showlist); |
1719 | ||
db5f229b | 1720 | add_cmd ("version", no_set_class, show_version, |
1a966eab | 1721 | _("Show what version of GDB this is."), &showlist); |
d318976c | 1722 | |
1bedd215 AC |
1723 | add_com ("while", class_support, while_command, _("\ |
1724 | Execute nested commands WHILE the conditional expression is non zero.\n\ | |
d318976c FN |
1725 | The conditional expression must follow the word `while' and must in turn be\n\ |
1726 | followed by a new line. The nested commands must be entered one per line,\n\ | |
1bedd215 | 1727 | and should be terminated by the word `end'.")); |
d318976c | 1728 | |
1bedd215 AC |
1729 | add_com ("if", class_support, if_command, _("\ |
1730 | Execute nested commands once IF the conditional expression is non zero.\n\ | |
d318976c FN |
1731 | The conditional expression must follow the word `if' and must in turn be\n\ |
1732 | followed by a new line. The nested commands must be entered one per line,\n\ | |
1733 | and should be terminated by the word 'else' or `end'. If an else clause\n\ | |
1bedd215 | 1734 | is used, the same rules apply to its nested commands as to the first ones.")); |
d318976c | 1735 | |
ebcd3b23 MS |
1736 | /* If target is open when baud changes, it doesn't take effect until |
1737 | the next open (I think, not sure). */ | |
85c07804 AC |
1738 | add_setshow_zinteger_cmd ("remotebaud", no_class, &baud_rate, _("\ |
1739 | Set baud rate for remote serial I/O."), _("\ | |
1740 | Show baud rate for remote serial I/O."), _("\ | |
d318976c | 1741 | This value is used to set the speed of the serial port when debugging\n\ |
85c07804 AC |
1742 | using remote targets."), |
1743 | NULL, | |
920d2a44 | 1744 | show_baud_rate, |
85c07804 AC |
1745 | &setlist, &showlist); |
1746 | ||
1747 | add_setshow_zinteger_cmd ("remote", no_class, &remote_debug, _("\ | |
1748 | Set debugging of remote protocol."), _("\ | |
1749 | Show debugging of remote protocol."), _("\ | |
d318976c | 1750 | When enabled, each packet sent or received with the remote target\n\ |
85c07804 AC |
1751 | is displayed."), |
1752 | NULL, | |
920d2a44 | 1753 | show_remote_debug, |
85c07804 | 1754 | &setdebuglist, &showdebuglist); |
d318976c | 1755 | |
c0d88b1b AC |
1756 | add_setshow_integer_cmd ("remotetimeout", no_class, &remote_timeout, _("\ |
1757 | Set timeout limit to wait for target to respond."), _("\ | |
1758 | Show timeout limit to wait for target to respond."), _("\ | |
d318976c | 1759 | This value is used to set the time limit for gdb to wait for a response\n\ |
c0d88b1b AC |
1760 | from the target."), |
1761 | NULL, | |
920d2a44 | 1762 | show_remote_timeout, |
c0d88b1b | 1763 | &setlist, &showlist); |
d318976c FN |
1764 | |
1765 | add_prefix_cmd ("debug", no_class, set_debug, | |
1bedd215 | 1766 | _("Generic command for setting gdb debugging flags"), |
d318976c FN |
1767 | &setdebuglist, "set debug ", 0, &setlist); |
1768 | ||
1769 | add_prefix_cmd ("debug", no_class, show_debug, | |
1bedd215 | 1770 | _("Generic command for showing gdb debugging flags"), |
d318976c FN |
1771 | &showdebuglist, "show debug ", 0, &showlist); |
1772 | ||
1bedd215 AC |
1773 | c = add_com ("shell", class_support, shell_escape, _("\ |
1774 | Execute the rest of the line as a shell command.\n\ | |
1775 | With no arguments, run an inferior shell.")); | |
5ba2abeb | 1776 | set_cmd_completer (c, filename_completer); |
d318976c | 1777 | |
1bedd215 AC |
1778 | c = add_com ("edit", class_files, edit_command, _("\ |
1779 | Edit specified file or function.\n\ | |
0378c332 | 1780 | With no argument, edits file containing most recent line listed.\n\ |
0378c332 FN |
1781 | Editing targets can be specified in these ways:\n\ |
1782 | FILE:LINENUM, to edit at that line in that file,\n\ | |
1783 | FUNCTION, to edit at the beginning of that function,\n\ | |
1784 | FILE:FUNCTION, to distinguish among like-named static functions.\n\ | |
1785 | *ADDRESS, to edit at the line containing that address.\n\ | |
1bedd215 | 1786 | Uses EDITOR environment variable contents as editor (or ex as default).")); |
0378c332 FN |
1787 | |
1788 | c->completer = location_completer; | |
1789 | ||
1bedd215 AC |
1790 | add_com ("list", class_files, list_command, _("\ |
1791 | List specified function or line.\n\ | |
0378c332 FN |
1792 | With no argument, lists ten more lines after or around previous listing.\n\ |
1793 | \"list -\" lists the ten lines before a previous ten-line listing.\n\ | |
1794 | One argument specifies a line, and ten lines are listed around that line.\n\ | |
1795 | Two arguments with comma between specify starting and ending lines to list.\n\ | |
0378c332 FN |
1796 | Lines can be specified in these ways:\n\ |
1797 | LINENUM, to list around that line in current file,\n\ | |
1798 | FILE:LINENUM, to list around that line in that file,\n\ | |
1799 | FUNCTION, to list around beginning of that function,\n\ | |
1800 | FILE:FUNCTION, to distinguish among like-named static functions.\n\ | |
1801 | *ADDRESS, to list around the line containing that address.\n\ | |
9a2b4c1b MS |
1802 | With two args if one is empty it stands for ten lines away from \ |
1803 | the other arg.")); | |
0378c332 FN |
1804 | |
1805 | if (!xdb_commands) | |
1806 | add_com_alias ("l", "list", class_files, 1); | |
1807 | else | |
1808 | add_com_alias ("v", "list", class_files, 1); | |
1809 | ||
1810 | if (dbx_commands) | |
1811 | add_com_alias ("file", "list", class_files, 1); | |
1812 | ||
1bedd215 AC |
1813 | c = add_com ("disassemble", class_vars, disassemble_command, _("\ |
1814 | Disassemble a specified section of memory.\n\ | |
83c31e7d | 1815 | Default is the function surrounding the pc of the selected frame.\n\ |
d14508fe | 1816 | With a /m modifier, source lines are included (if available).\n\ |
e6158f16 | 1817 | With a /r modifier, raw instructions in hex are included.\n\ |
83c31e7d | 1818 | With a single argument, the function surrounding that address is dumped.\n\ |
53a71c06 CR |
1819 | Two arguments (separated by a comma) are taken as a range of memory to dump,\n\ |
1820 | in the form of \"start,end\", or \"start,+length\".")); | |
83c31e7d FN |
1821 | set_cmd_completer (c, location_completer); |
1822 | if (xdb_commands) | |
1823 | add_com_alias ("va", "disassemble", class_xdb, 0); | |
0378c332 | 1824 | |
d318976c FN |
1825 | /* NOTE: cagney/2000-03-20: Being able to enter ``(gdb) !ls'' would |
1826 | be a really useful feature. Unfortunately, the below wont do | |
1827 | this. Instead it adds support for the form ``(gdb) ! ls'' | |
1828 | (i.e. the space is required). If the ``!'' command below is | |
1829 | added the complains about no ``!'' command would be replaced by | |
ebcd3b23 | 1830 | complains about how the ``!'' command is broken :-) */ |
d318976c FN |
1831 | if (xdb_commands) |
1832 | add_com_alias ("!", "shell", class_support, 0); | |
1833 | ||
1bedd215 AC |
1834 | c = add_com ("make", class_support, make_command, _("\ |
1835 | Run the ``make'' program using the rest of the line as arguments.")); | |
5ba2abeb | 1836 | set_cmd_completer (c, filename_completer); |
1a966eab AC |
1837 | add_cmd ("user", no_class, show_user, _("\ |
1838 | Show definitions of user defined commands.\n\ | |
d318976c | 1839 | Argument is the name of the user defined command.\n\ |
1a966eab | 1840 | With no argument, show definitions of all user defined commands."), &showlist); |
1bedd215 AC |
1841 | add_com ("apropos", class_support, apropos_command, |
1842 | _("Search for commands matching a REGEXP")); | |
20f01a46 | 1843 | |
c0d88b1b AC |
1844 | add_setshow_integer_cmd ("max-user-call-depth", no_class, |
1845 | &max_user_call_depth, _("\ | |
1846 | Set the max call depth for user-defined commands."), _("\ | |
1847 | Show the max call depth for user-defined commands."), NULL, | |
1848 | NULL, | |
920d2a44 | 1849 | show_max_user_call_depth, |
c0d88b1b | 1850 | &setlist, &showlist); |
16026cd7 AS |
1851 | |
1852 | add_setshow_boolean_cmd ("trace-commands", no_class, &trace_commands, _("\ | |
1853 | Set tracing of GDB CLI commands."), _("\ | |
1854 | Show state of GDB CLI command tracing."), _("\ | |
1855 | When 'on', each command is displayed as it is executed."), | |
1856 | NULL, | |
1857 | NULL, | |
1858 | &setlist, &showlist); | |
5a56e9c5 DE |
1859 | |
1860 | c = add_com ("alias", class_support, alias_command, _("\ | |
1861 | Define a new command that is an alias of an existing command.\n\ | |
1862 | Usage: alias [-a] [--] ALIAS = COMMAND\n\ | |
1863 | ALIAS is the name of the alias command to create.\n\ | |
1864 | COMMAND is the command being aliased to.\n\ | |
1865 | If \"-a\" is specified, the command is an abbreviation,\n\ | |
1866 | and will not appear in help command list output.\n\ | |
1867 | \n\ | |
1868 | Examples:\n\ | |
1869 | Make \"spe\" an alias of \"set print elements\":\n\ | |
1870 | alias spe = set print elements\n\ | |
1871 | Make \"elms\" an alias of \"elements\" in the \"set print\" command:\n\ | |
1872 | alias -a set print elms = set print elements")); | |
d318976c | 1873 | } |