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d318976c | 1 | /* GDB CLI commands. |
8926118c | 2 | |
618f726f | 3 | Copyright (C) 2000-2016 Free Software Foundation, Inc. |
d318976c FN |
4 | |
5 | This file is part of GDB. | |
6 | ||
7 | This program is free software; you can redistribute it and/or modify | |
8 | it under the terms of the GNU General Public License as published by | |
a9762ec7 | 9 | the Free Software Foundation; either version 3 of the License, or |
d318976c FN |
10 | (at your option) any later version. |
11 | ||
12 | This program is distributed in the hope that it will be useful, | |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | GNU General Public License for more details. | |
16 | ||
17 | You should have received a copy of the GNU General Public License | |
a9762ec7 | 18 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
d318976c FN |
19 | |
20 | #include "defs.h" | |
13274fc3 | 21 | #include "arch-utils.h" |
5a56e9c5 | 22 | #include "dyn-string.h" |
dbda9972 AC |
23 | #include "readline/readline.h" |
24 | #include "readline/tilde.h" | |
d318976c | 25 | #include "completer.h" |
ebcd3b23 MS |
26 | #include "target.h" /* For baud_rate, remote_debug and remote_timeout. */ |
27 | #include "gdb_wait.h" /* For shell escape implementation. */ | |
28 | #include "gdb_regex.h" /* Used by apropos_command. */ | |
325ed089 | 29 | #include "gdb_vfork.h" |
0378c332 FN |
30 | #include "linespec.h" |
31 | #include "expression.h" | |
83c31e7d FN |
32 | #include "frame.h" |
33 | #include "value.h" | |
0378c332 | 34 | #include "language.h" |
ebcd3b23 | 35 | #include "filenames.h" /* For DOSish file names. */ |
0378c332 FN |
36 | #include "objfiles.h" |
37 | #include "source.h" | |
83c31e7d | 38 | #include "disasm.h" |
33da3f1c | 39 | #include "tracepoint.h" |
614c279d | 40 | #include "filestuff.h" |
f00aae0f | 41 | #include "location.h" |
d318976c | 42 | |
d318976c | 43 | #include "ui-out.h" |
d318976c FN |
44 | |
45 | #include "top.h" | |
46 | #include "cli/cli-decode.h" | |
47 | #include "cli/cli-script.h" | |
48 | #include "cli/cli-setshow.h" | |
49 | #include "cli/cli-cmds.h" | |
529480d0 | 50 | #include "cli/cli-utils.h" |
d318976c | 51 | |
6dddc817 | 52 | #include "extension.h" |
973817a3 | 53 | |
6a83354a | 54 | #ifdef TUI |
ebcd3b23 | 55 | #include "tui/tui.h" /* For tui_active et.al. */ |
6a83354a AC |
56 | #endif |
57 | ||
4b505b12 AS |
58 | #include <fcntl.h> |
59 | ||
0378c332 | 60 | /* Prototypes for local command functions */ |
d318976c FN |
61 | |
62 | static void complete_command (char *, int); | |
63 | ||
64 | static void echo_command (char *, int); | |
65 | ||
66 | static void pwd_command (char *, int); | |
67 | ||
68 | static void show_version (char *, int); | |
69 | ||
d318976c FN |
70 | static void help_command (char *, int); |
71 | ||
72 | static void show_command (char *, int); | |
73 | ||
74 | static void info_command (char *, int); | |
75 | ||
76 | static void show_debug (char *, int); | |
77 | ||
78 | static void set_debug (char *, int); | |
79 | ||
80 | static void show_user (char *, int); | |
81 | ||
82 | static void make_command (char *, int); | |
83 | ||
84 | static void shell_escape (char *, int); | |
85 | ||
0378c332 FN |
86 | static void edit_command (char *, int); |
87 | ||
88 | static void list_command (char *, int); | |
89 | ||
0378c332 FN |
90 | /* Prototypes for local utility functions */ |
91 | ||
92 | static void ambiguous_line_spec (struct symtabs_and_lines *); | |
f8eba3c6 TT |
93 | |
94 | static void filter_sals (struct symtabs_and_lines *); | |
95 | ||
d318976c | 96 | \f |
20f01a46 | 97 | /* Limit the call depth of user-defined commands */ |
883b9c6c | 98 | unsigned int max_user_call_depth; |
20f01a46 | 99 | |
d318976c FN |
100 | /* Define all cmd_list_elements. */ |
101 | ||
102 | /* Chain containing all defined commands. */ | |
103 | ||
104 | struct cmd_list_element *cmdlist; | |
105 | ||
106 | /* Chain containing all defined info subcommands. */ | |
107 | ||
108 | struct cmd_list_element *infolist; | |
109 | ||
ebcd3b23 | 110 | /* Chain containing all defined enable subcommands. */ |
d318976c FN |
111 | |
112 | struct cmd_list_element *enablelist; | |
113 | ||
ebcd3b23 | 114 | /* Chain containing all defined disable subcommands. */ |
d318976c FN |
115 | |
116 | struct cmd_list_element *disablelist; | |
117 | ||
ebcd3b23 | 118 | /* Chain containing all defined stop subcommands. */ |
d318976c FN |
119 | |
120 | struct cmd_list_element *stoplist; | |
121 | ||
ebcd3b23 | 122 | /* Chain containing all defined delete subcommands. */ |
d318976c FN |
123 | |
124 | struct cmd_list_element *deletelist; | |
125 | ||
ebcd3b23 | 126 | /* Chain containing all defined detach subcommands. */ |
f73adfeb AS |
127 | |
128 | struct cmd_list_element *detachlist; | |
129 | ||
ebcd3b23 | 130 | /* Chain containing all defined kill subcommands. */ |
2277426b PA |
131 | |
132 | struct cmd_list_element *killlist; | |
133 | ||
d318976c FN |
134 | /* Chain containing all defined set subcommands */ |
135 | ||
136 | struct cmd_list_element *setlist; | |
137 | ||
138 | /* Chain containing all defined unset subcommands */ | |
139 | ||
140 | struct cmd_list_element *unsetlist; | |
141 | ||
142 | /* Chain containing all defined show subcommands. */ | |
143 | ||
144 | struct cmd_list_element *showlist; | |
145 | ||
146 | /* Chain containing all defined \"set history\". */ | |
147 | ||
148 | struct cmd_list_element *sethistlist; | |
149 | ||
150 | /* Chain containing all defined \"show history\". */ | |
151 | ||
152 | struct cmd_list_element *showhistlist; | |
153 | ||
154 | /* Chain containing all defined \"unset history\". */ | |
155 | ||
156 | struct cmd_list_element *unsethistlist; | |
157 | ||
ebcd3b23 | 158 | /* Chain containing all defined maintenance subcommands. */ |
d318976c FN |
159 | |
160 | struct cmd_list_element *maintenancelist; | |
161 | ||
ebcd3b23 | 162 | /* Chain containing all defined "maintenance info" subcommands. */ |
d318976c FN |
163 | |
164 | struct cmd_list_element *maintenanceinfolist; | |
165 | ||
ebcd3b23 | 166 | /* Chain containing all defined "maintenance print" subcommands. */ |
d318976c FN |
167 | |
168 | struct cmd_list_element *maintenanceprintlist; | |
169 | ||
170 | struct cmd_list_element *setprintlist; | |
171 | ||
172 | struct cmd_list_element *showprintlist; | |
173 | ||
174 | struct cmd_list_element *setdebuglist; | |
175 | ||
176 | struct cmd_list_element *showdebuglist; | |
177 | ||
178 | struct cmd_list_element *setchecklist; | |
179 | ||
180 | struct cmd_list_element *showchecklist; | |
16026cd7 AS |
181 | |
182 | /* Command tracing state. */ | |
183 | ||
184 | int source_verbose = 0; | |
185 | int trace_commands = 0; | |
d318976c | 186 | \f |
973817a3 JB |
187 | /* 'script-extension' option support. */ |
188 | ||
189 | static const char script_ext_off[] = "off"; | |
190 | static const char script_ext_soft[] = "soft"; | |
191 | static const char script_ext_strict[] = "strict"; | |
192 | ||
40478521 | 193 | static const char *const script_ext_enums[] = { |
973817a3 JB |
194 | script_ext_off, |
195 | script_ext_soft, | |
196 | script_ext_strict, | |
197 | NULL | |
198 | }; | |
199 | ||
200 | static const char *script_ext_mode = script_ext_soft; | |
201 | \f | |
d318976c | 202 | /* Utility used everywhere when at least one argument is needed and |
ebcd3b23 | 203 | none is supplied. */ |
d318976c FN |
204 | |
205 | void | |
5b10184c | 206 | error_no_arg (const char *why) |
d318976c | 207 | { |
8a3fe4f8 | 208 | error (_("Argument required (%s)."), why); |
d318976c FN |
209 | } |
210 | ||
211 | /* The "info" command is defined as a prefix, with allow_unknown = 0. | |
ebcd3b23 MS |
212 | Therefore, its own definition is called only for "info" with no |
213 | args. */ | |
d318976c | 214 | |
d318976c FN |
215 | static void |
216 | info_command (char *arg, int from_tty) | |
217 | { | |
9a2b4c1b MS |
218 | printf_unfiltered (_("\"info\" must be followed by " |
219 | "the name of an info command.\n")); | |
635c7e8a | 220 | help_list (infolist, "info ", all_commands, gdb_stdout); |
d318976c FN |
221 | } |
222 | ||
223 | /* The "show" command with no arguments shows all the settings. */ | |
224 | ||
d318976c FN |
225 | static void |
226 | show_command (char *arg, int from_tty) | |
227 | { | |
228 | cmd_show_list (showlist, from_tty, ""); | |
229 | } | |
230 | \f | |
231 | /* Provide documentation on command or list given by COMMAND. FROM_TTY | |
232 | is ignored. */ | |
233 | ||
d318976c FN |
234 | static void |
235 | help_command (char *command, int from_tty) | |
236 | { | |
237 | help_cmd (command, gdb_stdout); | |
238 | } | |
239 | \f | |
ef0b411a GB |
240 | /* Note: The "complete" command is used by Emacs to implement completion. |
241 | [Is that why this function writes output with *_unfiltered?] */ | |
d318976c | 242 | |
d318976c FN |
243 | static void |
244 | complete_command (char *arg, int from_tty) | |
245 | { | |
d318976c | 246 | int argpoint; |
49c4e619 TT |
247 | char *point, *arg_prefix; |
248 | VEC (char_ptr) *completions; | |
d318976c FN |
249 | |
250 | dont_repeat (); | |
251 | ||
ef0b411a GB |
252 | if (max_completions == 0) |
253 | { | |
254 | /* Only print this for non-mi frontends. An MI frontend may not | |
255 | be able to handle this. */ | |
256 | if (!ui_out_is_mi_like_p (current_uiout)) | |
257 | { | |
258 | printf_unfiltered (_("max-completions is zero," | |
259 | " completion is disabled.\n")); | |
260 | } | |
261 | return; | |
262 | } | |
263 | ||
d318976c FN |
264 | if (arg == NULL) |
265 | arg = ""; | |
266 | argpoint = strlen (arg); | |
267 | ||
ebcd3b23 MS |
268 | /* complete_line assumes that its first argument is somewhere |
269 | within, and except for filenames at the beginning of, the word to | |
270 | be completed. The following crude imitation of readline's | |
271 | word-breaking tries to accomodate this. */ | |
d9b52655 DJ |
272 | point = arg + argpoint; |
273 | while (point > arg) | |
274 | { | |
275 | if (strchr (rl_completer_word_break_characters, point[-1]) != 0) | |
276 | break; | |
277 | point--; | |
278 | } | |
279 | ||
224c3ddb | 280 | arg_prefix = (char *) alloca (point - arg + 1); |
d9b52655 DJ |
281 | memcpy (arg_prefix, arg, point - arg); |
282 | arg_prefix[point - arg] = 0; | |
283 | ||
284 | completions = complete_line (point, arg, argpoint); | |
83d31a92 TT |
285 | |
286 | if (completions) | |
d318976c | 287 | { |
49c4e619 TT |
288 | int ix, size = VEC_length (char_ptr, completions); |
289 | char *item, *prev = NULL; | |
83d31a92 | 290 | |
49c4e619 TT |
291 | qsort (VEC_address (char_ptr, completions), size, |
292 | sizeof (char *), compare_strings); | |
83d31a92 TT |
293 | |
294 | /* We do extra processing here since we only want to print each | |
295 | unique item once. */ | |
49c4e619 | 296 | for (ix = 0; VEC_iterate (char_ptr, completions, ix, item); ++ix) |
83d31a92 | 297 | { |
49c4e619 | 298 | if (prev == NULL || strcmp (item, prev) != 0) |
83d31a92 | 299 | { |
49c4e619 TT |
300 | printf_unfiltered ("%s%s\n", arg_prefix, item); |
301 | xfree (prev); | |
302 | prev = item; | |
83d31a92 | 303 | } |
49c4e619 TT |
304 | else |
305 | xfree (item); | |
83d31a92 TT |
306 | } |
307 | ||
49c4e619 TT |
308 | xfree (prev); |
309 | VEC_free (char_ptr, completions); | |
ef0b411a GB |
310 | |
311 | if (size == max_completions) | |
312 | { | |
313 | /* ARG_PREFIX and POINT are included in the output so that emacs | |
314 | will include the message in the output. */ | |
315 | printf_unfiltered (_("%s%s %s\n"), | |
316 | arg_prefix, point, | |
317 | get_max_completions_reached_message ()); | |
318 | } | |
d318976c FN |
319 | } |
320 | } | |
321 | ||
bbaca940 AC |
322 | int |
323 | is_complete_command (struct cmd_list_element *c) | |
d318976c | 324 | { |
bbaca940 | 325 | return cmd_cfunc_eq (c, complete_command); |
d318976c FN |
326 | } |
327 | ||
d318976c FN |
328 | static void |
329 | show_version (char *args, int from_tty) | |
330 | { | |
d318976c FN |
331 | print_gdb_version (gdb_stdout); |
332 | printf_filtered ("\n"); | |
d318976c FN |
333 | } |
334 | ||
6eaaf48b EZ |
335 | static void |
336 | show_configuration (char *args, int from_tty) | |
337 | { | |
338 | print_gdb_configuration (gdb_stdout); | |
339 | } | |
340 | ||
d318976c FN |
341 | /* Handle the quit command. */ |
342 | ||
343 | void | |
344 | quit_command (char *args, int from_tty) | |
345 | { | |
346 | if (!quit_confirm ()) | |
8a3fe4f8 | 347 | error (_("Not confirmed.")); |
d5551862 | 348 | |
2f9d54cf | 349 | query_if_trace_running (from_tty); |
d5551862 | 350 | |
d318976c FN |
351 | quit_force (args, from_tty); |
352 | } | |
353 | ||
d318976c FN |
354 | static void |
355 | pwd_command (char *args, int from_tty) | |
356 | { | |
357 | if (args) | |
8a3fe4f8 | 358 | error (_("The \"pwd\" command does not take an argument: %s"), args); |
bf1d7d9c JB |
359 | if (! getcwd (gdb_dirbuf, sizeof (gdb_dirbuf))) |
360 | error (_("Error finding name of working directory: %s"), | |
361 | safe_strerror (errno)); | |
d318976c | 362 | |
6314a349 | 363 | if (strcmp (gdb_dirbuf, current_directory) != 0) |
a3f17187 | 364 | printf_unfiltered (_("Working directory %s\n (canonically %s).\n"), |
d318976c FN |
365 | current_directory, gdb_dirbuf); |
366 | else | |
a3f17187 | 367 | printf_unfiltered (_("Working directory %s.\n"), current_directory); |
d318976c FN |
368 | } |
369 | ||
370 | void | |
371 | cd_command (char *dir, int from_tty) | |
372 | { | |
373 | int len; | |
374 | /* Found something other than leading repetitions of "/..". */ | |
375 | int found_real_path; | |
376 | char *p; | |
5b3fca71 | 377 | struct cleanup *cleanup; |
d318976c FN |
378 | |
379 | /* If the new directory is absolute, repeat is a no-op; if relative, | |
380 | repeat might be useful but is more likely to be a mistake. */ | |
381 | dont_repeat (); | |
382 | ||
383 | if (dir == 0) | |
f3c8a52a | 384 | dir = "~"; |
d318976c FN |
385 | |
386 | dir = tilde_expand (dir); | |
5b3fca71 | 387 | cleanup = make_cleanup (xfree, dir); |
d318976c FN |
388 | |
389 | if (chdir (dir) < 0) | |
390 | perror_with_name (dir); | |
391 | ||
c3690141 | 392 | #ifdef HAVE_DOS_BASED_FILE_SYSTEM |
d318976c FN |
393 | /* There's too much mess with DOSish names like "d:", "d:.", |
394 | "d:./foo" etc. Instead of having lots of special #ifdef'ed code, | |
395 | simply get the canonicalized name of the current directory. */ | |
396 | dir = getcwd (gdb_dirbuf, sizeof (gdb_dirbuf)); | |
397 | #endif | |
398 | ||
399 | len = strlen (dir); | |
fe4e3eb8 | 400 | if (IS_DIR_SEPARATOR (dir[len - 1])) |
d318976c FN |
401 | { |
402 | /* Remove the trailing slash unless this is a root directory | |
403 | (including a drive letter on non-Unix systems). */ | |
404 | if (!(len == 1) /* "/" */ | |
c3690141 | 405 | #ifdef HAVE_DOS_BASED_FILE_SYSTEM |
fe4e3eb8 | 406 | && !(len == 3 && dir[1] == ':') /* "d:/" */ |
d318976c FN |
407 | #endif |
408 | ) | |
409 | len--; | |
410 | } | |
411 | ||
412 | dir = savestring (dir, len); | |
fe4e3eb8 | 413 | if (IS_ABSOLUTE_PATH (dir)) |
d318976c FN |
414 | current_directory = dir; |
415 | else | |
416 | { | |
fe4e3eb8 | 417 | if (IS_DIR_SEPARATOR (current_directory[strlen (current_directory) - 1])) |
1754f103 | 418 | current_directory = concat (current_directory, dir, (char *)NULL); |
d318976c | 419 | else |
1754f103 MK |
420 | current_directory = concat (current_directory, SLASH_STRING, |
421 | dir, (char *)NULL); | |
b8c9b27d | 422 | xfree (dir); |
d318976c FN |
423 | } |
424 | ||
425 | /* Now simplify any occurrences of `.' and `..' in the pathname. */ | |
426 | ||
427 | found_real_path = 0; | |
428 | for (p = current_directory; *p;) | |
429 | { | |
fe4e3eb8 EZ |
430 | if (IS_DIR_SEPARATOR (p[0]) && p[1] == '.' |
431 | && (p[2] == 0 || IS_DIR_SEPARATOR (p[2]))) | |
b2a3b509 | 432 | memmove (p, p + 2, strlen (p + 2) + 1); |
fe4e3eb8 EZ |
433 | else if (IS_DIR_SEPARATOR (p[0]) && p[1] == '.' && p[2] == '.' |
434 | && (p[3] == 0 || IS_DIR_SEPARATOR (p[3]))) | |
d318976c FN |
435 | { |
436 | if (found_real_path) | |
437 | { | |
438 | /* Search backwards for the directory just before the "/.." | |
439 | and obliterate it and the "/..". */ | |
440 | char *q = p; | |
cdb27c12 | 441 | |
fe4e3eb8 | 442 | while (q != current_directory && !IS_DIR_SEPARATOR (q[-1])) |
d318976c FN |
443 | --q; |
444 | ||
445 | if (q == current_directory) | |
446 | /* current_directory is | |
447 | a relative pathname ("can't happen"--leave it alone). */ | |
448 | ++p; | |
449 | else | |
450 | { | |
b2a3b509 | 451 | memmove (q - 1, p + 3, strlen (p + 3) + 1); |
d318976c FN |
452 | p = q - 1; |
453 | } | |
454 | } | |
455 | else | |
ebcd3b23 MS |
456 | /* We are dealing with leading repetitions of "/..", for |
457 | example "/../..", which is the Mach super-root. */ | |
d318976c FN |
458 | p += 3; |
459 | } | |
460 | else | |
461 | { | |
462 | found_real_path = 1; | |
463 | ++p; | |
464 | } | |
465 | } | |
466 | ||
467 | forget_cached_source_info (); | |
468 | ||
469 | if (from_tty) | |
470 | pwd_command ((char *) 0, 1); | |
5b3fca71 TT |
471 | |
472 | do_cleanups (cleanup); | |
d318976c FN |
473 | } |
474 | \f | |
973817a3 JB |
475 | /* Show the current value of the 'script-extension' option. */ |
476 | ||
477 | static void | |
478 | show_script_ext_mode (struct ui_file *file, int from_tty, | |
479 | struct cmd_list_element *c, const char *value) | |
d318976c | 480 | { |
9a2b4c1b MS |
481 | fprintf_filtered (file, |
482 | _("Script filename extension recognition is \"%s\".\n"), | |
973817a3 JB |
483 | value); |
484 | } | |
485 | ||
3f7b2faa DE |
486 | /* Try to open SCRIPT_FILE. |
487 | If successful, the full path name is stored in *FULL_PATHP, | |
488 | the stream is stored in *STREAMP, and return 1. | |
489 | The caller is responsible for freeing *FULL_PATHP. | |
490 | If not successful, return 0; errno is set for the last file | |
491 | we tried to open. | |
492 | ||
493 | If SEARCH_PATH is non-zero, and the file isn't found in cwd, | |
f5b95b50 | 494 | search for it in the source search path. */ |
3f7b2faa | 495 | |
8a1ea21f | 496 | int |
3f7b2faa DE |
497 | find_and_open_script (const char *script_file, int search_path, |
498 | FILE **streamp, char **full_pathp) | |
973817a3 | 499 | { |
3f7b2faa | 500 | char *file; |
4b505b12 | 501 | int fd; |
973817a3 | 502 | struct cleanup *old_cleanups; |
492c0ab7 | 503 | int search_flags = OPF_TRY_CWD_FIRST | OPF_RETURN_REALPATH; |
d318976c | 504 | |
3f7b2faa | 505 | file = tilde_expand (script_file); |
b8c9b27d | 506 | old_cleanups = make_cleanup (xfree, file); |
d318976c | 507 | |
3f7b2faa DE |
508 | if (search_path) |
509 | search_flags |= OPF_SEARCH_IN_PATH; | |
4b505b12 | 510 | |
3f7b2faa DE |
511 | /* Search for and open 'file' on the search path used for source |
512 | files. Put the full location in *FULL_PATHP. */ | |
513 | fd = openp (source_path, search_flags, | |
514 | file, O_RDONLY, full_pathp); | |
4b505b12 AS |
515 | |
516 | if (fd == -1) | |
d318976c | 517 | { |
3f7b2faa DE |
518 | int save_errno = errno; |
519 | do_cleanups (old_cleanups); | |
520 | errno = save_errno; | |
521 | return 0; | |
d318976c FN |
522 | } |
523 | ||
3f7b2faa | 524 | do_cleanups (old_cleanups); |
973817a3 | 525 | |
3f7b2faa | 526 | *streamp = fdopen (fd, FOPEN_RT); |
77a35dd8 JK |
527 | if (*streamp == NULL) |
528 | { | |
529 | int save_errno = errno; | |
530 | ||
531 | close (fd); | |
532 | if (full_pathp) | |
533 | xfree (*full_pathp); | |
534 | errno = save_errno; | |
535 | return 0; | |
536 | } | |
537 | ||
973817a3 JB |
538 | return 1; |
539 | } | |
540 | ||
1a70ae97 DE |
541 | /* Load script FILE, which has already been opened as STREAM. |
542 | FILE_TO_OPEN is the form of FILE to use if one needs to open the file. | |
543 | This is provided as FILE may have been found via the source search path. | |
544 | An important thing to note here is that FILE may be a symlink to a file | |
545 | with a different or non-existing suffix, and thus one cannot infer the | |
546 | extension language from FILE_TO_OPEN. */ | |
973817a3 | 547 | |
3f7b2faa | 548 | static void |
1a70ae97 DE |
549 | source_script_from_stream (FILE *stream, const char *file, |
550 | const char *file_to_open) | |
3f7b2faa | 551 | { |
6dddc817 | 552 | if (script_ext_mode != script_ext_off) |
973817a3 | 553 | { |
6dddc817 DE |
554 | const struct extension_language_defn *extlang |
555 | = get_ext_lang_of_file (file); | |
556 | ||
557 | if (extlang != NULL) | |
973817a3 | 558 | { |
6dddc817 DE |
559 | if (ext_lang_present_p (extlang)) |
560 | { | |
561 | script_sourcer_func *sourcer | |
562 | = ext_lang_script_sourcer (extlang); | |
563 | ||
564 | gdb_assert (sourcer != NULL); | |
1a70ae97 | 565 | sourcer (extlang, stream, file_to_open); |
6dddc817 DE |
566 | return; |
567 | } | |
568 | else if (script_ext_mode == script_ext_soft) | |
569 | { | |
570 | /* Assume the file is a gdb script. | |
571 | This is handled below. */ | |
572 | } | |
573 | else | |
574 | throw_ext_lang_unsupported (extlang); | |
973817a3 JB |
575 | } |
576 | } | |
6dddc817 DE |
577 | |
578 | script_from_file (stream, file); | |
3f7b2faa | 579 | } |
d318976c | 580 | |
3f7b2faa DE |
581 | /* Worker to perform the "source" command. |
582 | Load script FILE. | |
583 | If SEARCH_PATH is non-zero, and the file isn't found in cwd, | |
584 | search for it in the source search path. */ | |
585 | ||
586 | static void | |
587 | source_script_with_search (const char *file, int from_tty, int search_path) | |
588 | { | |
589 | FILE *stream; | |
590 | char *full_path; | |
591 | struct cleanup *old_cleanups; | |
592 | ||
593 | if (file == NULL || *file == 0) | |
594 | error (_("source command requires file name of file to source.")); | |
595 | ||
596 | if (!find_and_open_script (file, search_path, &stream, &full_path)) | |
597 | { | |
d234ef5c | 598 | /* The script wasn't found, or was otherwise inaccessible. |
ebcd3b23 MS |
599 | If the source command was invoked interactively, throw an |
600 | error. Otherwise (e.g. if it was invoked by a script), | |
7c647d61 | 601 | just emit a warning, rather than cause an error. */ |
3f7b2faa DE |
602 | if (from_tty) |
603 | perror_with_name (file); | |
604 | else | |
7c647d61 JB |
605 | { |
606 | perror_warning_with_name (file); | |
607 | return; | |
608 | } | |
3f7b2faa DE |
609 | } |
610 | ||
611 | old_cleanups = make_cleanup (xfree, full_path); | |
86eb7e95 | 612 | make_cleanup_fclose (stream); |
d234ef5c DE |
613 | /* The python support reopens the file, so we need to pass full_path here |
614 | in case the file was found on the search path. It's useful to do this | |
615 | anyway so that error messages show the actual file used. But only do | |
616 | this if we (may have) used search_path, as printing the full path in | |
617 | errors for the non-search case can be more noise than signal. */ | |
1a70ae97 | 618 | source_script_from_stream (stream, file, search_path ? full_path : file); |
d318976c FN |
619 | do_cleanups (old_cleanups); |
620 | } | |
621 | ||
3f7b2faa DE |
622 | /* Wrapper around source_script_with_search to export it to main.c |
623 | for use in loading .gdbinit scripts. */ | |
624 | ||
625 | void | |
50dd9793 | 626 | source_script (const char *file, int from_tty) |
3f7b2faa DE |
627 | { |
628 | source_script_with_search (file, from_tty, 0); | |
629 | } | |
630 | ||
16026cd7 AS |
631 | /* Return the source_verbose global variable to its previous state |
632 | on exit from the source command, by whatever means. */ | |
633 | static void | |
634 | source_verbose_cleanup (void *old_value) | |
635 | { | |
636 | source_verbose = *(int *)old_value; | |
637 | xfree (old_value); | |
638 | } | |
639 | ||
640 | static void | |
641 | source_command (char *args, int from_tty) | |
642 | { | |
643 | struct cleanup *old_cleanups; | |
644 | char *file = args; | |
8d749320 | 645 | int *old_source_verbose = XNEW (int); |
3f7b2faa | 646 | int search_path = 0; |
16026cd7 AS |
647 | |
648 | *old_source_verbose = source_verbose; | |
ebcd3b23 MS |
649 | old_cleanups = make_cleanup (source_verbose_cleanup, |
650 | old_source_verbose); | |
16026cd7 AS |
651 | |
652 | /* -v causes the source command to run in verbose mode. | |
3f7b2faa DE |
653 | -s causes the file to be searched in the source search path, |
654 | even if the file name contains a '/'. | |
16026cd7 AS |
655 | We still have to be able to handle filenames with spaces in a |
656 | backward compatible way, so buildargv is not appropriate. */ | |
657 | ||
658 | if (args) | |
659 | { | |
3f7b2faa | 660 | while (args[0] != '\0') |
16026cd7 | 661 | { |
ebcd3b23 MS |
662 | /* Make sure leading white space does not break the |
663 | comparisons. */ | |
529480d0 | 664 | args = skip_spaces (args); |
3f7b2faa DE |
665 | |
666 | if (args[0] != '-') | |
667 | break; | |
668 | ||
669 | if (args[1] == 'v' && isspace (args[2])) | |
670 | { | |
671 | source_verbose = 1; | |
672 | ||
673 | /* Skip passed -v. */ | |
674 | args = &args[3]; | |
675 | } | |
676 | else if (args[1] == 's' && isspace (args[2])) | |
677 | { | |
678 | search_path = 1; | |
16026cd7 | 679 | |
3f7b2faa DE |
680 | /* Skip passed -s. */ |
681 | args = &args[3]; | |
682 | } | |
683 | else | |
684 | break; | |
16026cd7 | 685 | } |
3f7b2faa | 686 | |
529480d0 | 687 | file = skip_spaces (args); |
16026cd7 AS |
688 | } |
689 | ||
3f7b2faa | 690 | source_script_with_search (file, from_tty, search_path); |
96e39866 DE |
691 | |
692 | do_cleanups (old_cleanups); | |
16026cd7 AS |
693 | } |
694 | ||
695 | ||
d318976c FN |
696 | static void |
697 | echo_command (char *text, int from_tty) | |
698 | { | |
d7561cbb | 699 | const char *p = text; |
d5b5ac79 | 700 | int c; |
d318976c FN |
701 | |
702 | if (text) | |
703 | while ((c = *p++) != '\0') | |
704 | { | |
705 | if (c == '\\') | |
706 | { | |
707 | /* \ at end of argument is used after spaces | |
708 | so they won't be lost. */ | |
709 | if (*p == 0) | |
710 | return; | |
711 | ||
f870a310 | 712 | c = parse_escape (get_current_arch (), &p); |
d318976c FN |
713 | if (c >= 0) |
714 | printf_filtered ("%c", c); | |
715 | } | |
716 | else | |
717 | printf_filtered ("%c", c); | |
718 | } | |
719 | ||
720 | /* Force this output to appear now. */ | |
721 | wrap_here (""); | |
722 | gdb_flush (gdb_stdout); | |
723 | } | |
724 | ||
d318976c FN |
725 | static void |
726 | shell_escape (char *arg, int from_tty) | |
727 | { | |
9b265ec2 MM |
728 | #if defined(CANT_FORK) || \ |
729 | (!defined(HAVE_WORKING_VFORK) && !defined(HAVE_WORKING_FORK)) | |
d318976c FN |
730 | /* If ARG is NULL, they want an inferior shell, but `system' just |
731 | reports if the shell is available when passed a NULL arg. */ | |
732 | int rc = system (arg ? arg : ""); | |
733 | ||
734 | if (!arg) | |
735 | arg = "inferior shell"; | |
736 | ||
737 | if (rc == -1) | |
738 | { | |
739 | fprintf_unfiltered (gdb_stderr, "Cannot execute %s: %s\n", arg, | |
740 | safe_strerror (errno)); | |
741 | gdb_flush (gdb_stderr); | |
742 | } | |
743 | else if (rc) | |
744 | { | |
745 | fprintf_unfiltered (gdb_stderr, "%s exited with status %d\n", arg, rc); | |
746 | gdb_flush (gdb_stderr); | |
747 | } | |
2584159e | 748 | #ifdef GLOBAL_CURDIR |
ebcd3b23 MS |
749 | /* Make sure to return to the directory GDB thinks it is, in case |
750 | the shell command we just ran changed it. */ | |
d318976c FN |
751 | chdir (current_directory); |
752 | #endif | |
753 | #else /* Can fork. */ | |
5be4dfca | 754 | int status, pid; |
d318976c | 755 | |
325ed089 | 756 | if ((pid = vfork ()) == 0) |
d318976c | 757 | { |
9f37bbcc | 758 | const char *p, *user_shell; |
30e94205 | 759 | |
614c279d TT |
760 | close_most_fds (); |
761 | ||
30e94205 DJ |
762 | if ((user_shell = (char *) getenv ("SHELL")) == NULL) |
763 | user_shell = "/bin/sh"; | |
764 | ||
ebcd3b23 | 765 | /* Get the name of the shell for arg0. */ |
9f37bbcc | 766 | p = lbasename (user_shell); |
30e94205 | 767 | |
d318976c | 768 | if (!arg) |
36662fde | 769 | execl (user_shell, p, (char *) 0); |
d318976c | 770 | else |
36662fde | 771 | execl (user_shell, p, "-c", arg, (char *) 0); |
d318976c FN |
772 | |
773 | fprintf_unfiltered (gdb_stderr, "Cannot execute %s: %s\n", user_shell, | |
774 | safe_strerror (errno)); | |
775 | gdb_flush (gdb_stderr); | |
776 | _exit (0177); | |
777 | } | |
778 | ||
779 | if (pid != -1) | |
5be4dfca | 780 | waitpid (pid, &status, 0); |
d318976c | 781 | else |
8a3fe4f8 | 782 | error (_("Fork failed")); |
d318976c FN |
783 | #endif /* Can fork. */ |
784 | } | |
785 | ||
0378c332 FN |
786 | static void |
787 | edit_command (char *arg, int from_tty) | |
788 | { | |
789 | struct symtabs_and_lines sals; | |
790 | struct symtab_and_line sal; | |
791 | struct symbol *sym; | |
0378c332 | 792 | char *editor; |
0b0865da TT |
793 | char *p; |
794 | const char *fn; | |
0378c332 | 795 | |
d5529a84 | 796 | /* Pull in the current default source line if necessary. */ |
0378c332 | 797 | if (arg == 0) |
53cb0458 FN |
798 | { |
799 | set_default_source_symtab_and_line (); | |
800 | sal = get_current_source_symtab_and_line (); | |
801 | } | |
0378c332 | 802 | |
ebcd3b23 | 803 | /* Bare "edit" edits file with present line. */ |
0378c332 FN |
804 | |
805 | if (arg == 0) | |
806 | { | |
807 | if (sal.symtab == 0) | |
8a3fe4f8 | 808 | error (_("No default source file yet.")); |
0378c332 FN |
809 | sal.line += get_lines_to_list () / 2; |
810 | } | |
811 | else | |
812 | { | |
f00aae0f KS |
813 | struct cleanup *cleanup; |
814 | struct event_location *location; | |
815 | char *arg1; | |
0378c332 | 816 | |
f00aae0f | 817 | /* Now should only be one argument -- decode it in SAL. */ |
0378c332 | 818 | arg1 = arg; |
f00aae0f KS |
819 | location = string_to_event_location (&arg1, current_language); |
820 | cleanup = make_cleanup_delete_event_location (location); | |
c2f4122d | 821 | sals = decode_line_1 (location, DECODE_LINE_LIST_MODE, NULL, NULL, 0); |
0378c332 | 822 | |
f8eba3c6 | 823 | filter_sals (&sals); |
d5529a84 TT |
824 | if (! sals.nelts) |
825 | { | |
826 | /* C++ */ | |
f00aae0f | 827 | do_cleanups (cleanup); |
d5529a84 TT |
828 | return; |
829 | } | |
830 | if (sals.nelts > 1) | |
831 | { | |
832 | ambiguous_line_spec (&sals); | |
833 | xfree (sals.sals); | |
f00aae0f | 834 | do_cleanups (cleanup); |
d5529a84 TT |
835 | return; |
836 | } | |
0378c332 FN |
837 | |
838 | sal = sals.sals[0]; | |
839 | xfree (sals.sals); | |
840 | ||
841 | if (*arg1) | |
8a3fe4f8 | 842 | error (_("Junk at end of line specification.")); |
0378c332 | 843 | |
ebcd3b23 MS |
844 | /* If line was specified by address, first print exactly which |
845 | line, and which file. In this case, sal.symtab == 0 means | |
846 | address is outside of all known source files, not that user | |
847 | failed to give a filename. */ | |
0378c332 FN |
848 | if (*arg == '*') |
849 | { | |
5af949e3 | 850 | struct gdbarch *gdbarch; |
cdb27c12 | 851 | |
0378c332 | 852 | if (sal.symtab == 0) |
8a3fe4f8 | 853 | error (_("No source file for address %s."), |
2b69941d | 854 | paddress (get_current_arch (), sal.pc)); |
5af949e3 | 855 | |
eb822aa6 | 856 | gdbarch = get_objfile_arch (SYMTAB_OBJFILE (sal.symtab)); |
0378c332 FN |
857 | sym = find_pc_function (sal.pc); |
858 | if (sym) | |
5af949e3 UW |
859 | printf_filtered ("%s is in %s (%s:%d).\n", |
860 | paddress (gdbarch, sal.pc), | |
861 | SYMBOL_PRINT_NAME (sym), | |
05cba821 JK |
862 | symtab_to_filename_for_display (sal.symtab), |
863 | sal.line); | |
0378c332 | 864 | else |
5af949e3 UW |
865 | printf_filtered ("%s is at %s:%d.\n", |
866 | paddress (gdbarch, sal.pc), | |
05cba821 JK |
867 | symtab_to_filename_for_display (sal.symtab), |
868 | sal.line); | |
0378c332 FN |
869 | } |
870 | ||
ebcd3b23 MS |
871 | /* If what was given does not imply a symtab, it must be an |
872 | undebuggable symbol which means no source code. */ | |
0378c332 FN |
873 | |
874 | if (sal.symtab == 0) | |
8a3fe4f8 | 875 | error (_("No line number known for %s."), arg); |
f00aae0f | 876 | do_cleanups (cleanup); |
0378c332 FN |
877 | } |
878 | ||
879 | if ((editor = (char *) getenv ("EDITOR")) == NULL) | |
880 | editor = "/bin/ex"; | |
a955ca71 | 881 | |
f35a17b5 | 882 | fn = symtab_to_fullname (sal.symtab); |
0378c332 | 883 | |
a955ca71 EZ |
884 | /* Quote the file name, in case it has whitespace or other special |
885 | characters. */ | |
886 | p = xstrprintf ("%s +%d \"%s\"", editor, sal.line, fn); | |
d5529a84 TT |
887 | shell_escape (p, from_tty); |
888 | xfree (p); | |
0378c332 FN |
889 | } |
890 | ||
891 | static void | |
892 | list_command (char *arg, int from_tty) | |
893 | { | |
894 | struct symtabs_and_lines sals, sals_end; | |
245c7f48 DJ |
895 | struct symtab_and_line sal = { 0 }; |
896 | struct symtab_and_line sal_end = { 0 }; | |
897 | struct symtab_and_line cursal = { 0 }; | |
0378c332 FN |
898 | struct symbol *sym; |
899 | char *arg1; | |
900 | int no_end = 1; | |
901 | int dummy_end = 0; | |
902 | int dummy_beg = 0; | |
903 | int linenum_beg = 0; | |
904 | char *p; | |
f00aae0f KS |
905 | struct cleanup *cleanup; |
906 | ||
907 | cleanup = make_cleanup (null_cleanup, NULL); | |
0378c332 | 908 | |
ebcd3b23 | 909 | /* Pull in the current default source line if necessary. */ |
a0def019 | 910 | if (arg == NULL || ((arg[0] == '+' || arg[0] == '-') && arg[1] == '\0')) |
53cb0458 FN |
911 | { |
912 | set_default_source_symtab_and_line (); | |
913 | cursal = get_current_source_symtab_and_line (); | |
5166082f PA |
914 | |
915 | /* If this is the first "list" since we've set the current | |
916 | source line, center the listing around that line. */ | |
917 | if (get_first_line_listed () == 0) | |
918 | { | |
919 | int first; | |
920 | ||
921 | first = max (cursal.line - get_lines_to_list () / 2, 1); | |
922 | ||
923 | /* A small special case --- if listing backwards, and we | |
924 | should list only one line, list the preceding line, | |
925 | instead of the exact line we've just shown after e.g., | |
926 | stopping for a breakpoint. */ | |
927 | if (arg != NULL && arg[0] == '-' | |
928 | && get_lines_to_list () == 1 && first > 1) | |
929 | first -= 1; | |
930 | ||
931 | print_source_lines (cursal.symtab, first, | |
932 | first + get_lines_to_list (), 0); | |
5166082f | 933 | } |
0378c332 | 934 | |
1a48ce76 | 935 | /* "l" or "l +" lists next ten lines. */ |
a0def019 | 936 | else if (arg == NULL || arg[0] == '+') |
1a48ce76 AB |
937 | print_source_lines (cursal.symtab, cursal.line, |
938 | cursal.line + get_lines_to_list (), 0); | |
0378c332 | 939 | |
1a48ce76 AB |
940 | /* "l -" lists previous ten lines, the ones before the ten just |
941 | listed. */ | |
a0def019 | 942 | else if (arg[0] == '-') |
3b2464a8 AB |
943 | { |
944 | if (get_first_line_listed () == 1) | |
945 | error (_("Already at the start of %s."), | |
946 | symtab_to_filename_for_display (cursal.symtab)); | |
947 | print_source_lines (cursal.symtab, | |
948 | max (get_first_line_listed () | |
949 | - get_lines_to_list (), 1), | |
950 | get_first_line_listed (), 0); | |
951 | } | |
0378c332 | 952 | |
0378c332 FN |
953 | return; |
954 | } | |
955 | ||
956 | /* Now if there is only one argument, decode it in SAL | |
957 | and set NO_END. | |
958 | If there are two arguments, decode them in SAL and SAL_END | |
959 | and clear NO_END; however, if one of the arguments is blank, | |
960 | set DUMMY_BEG or DUMMY_END to record that fact. */ | |
961 | ||
962 | if (!have_full_symbols () && !have_partial_symbols ()) | |
8a3fe4f8 | 963 | error (_("No symbol table is loaded. Use the \"file\" command.")); |
0378c332 FN |
964 | |
965 | arg1 = arg; | |
966 | if (*arg1 == ',') | |
967 | dummy_beg = 1; | |
968 | else | |
969 | { | |
f00aae0f KS |
970 | struct event_location *location; |
971 | ||
972 | location = string_to_event_location (&arg1, current_language); | |
973 | make_cleanup_delete_event_location (location); | |
c2f4122d | 974 | sals = decode_line_1 (location, DECODE_LINE_LIST_MODE, NULL, NULL, 0); |
0378c332 | 975 | |
f8eba3c6 | 976 | filter_sals (&sals); |
0378c332 | 977 | if (!sals.nelts) |
f00aae0f KS |
978 | { |
979 | /* C++ */ | |
980 | do_cleanups (cleanup); | |
981 | return; | |
982 | } | |
0378c332 FN |
983 | if (sals.nelts > 1) |
984 | { | |
985 | ambiguous_line_spec (&sals); | |
986 | xfree (sals.sals); | |
f00aae0f | 987 | do_cleanups (cleanup); |
0378c332 FN |
988 | return; |
989 | } | |
990 | ||
991 | sal = sals.sals[0]; | |
992 | xfree (sals.sals); | |
993 | } | |
994 | ||
995 | /* Record whether the BEG arg is all digits. */ | |
996 | ||
997 | for (p = arg; p != arg1 && *p >= '0' && *p <= '9'; p++); | |
998 | linenum_beg = (p == arg1); | |
999 | ||
1000 | while (*arg1 == ' ' || *arg1 == '\t') | |
1001 | arg1++; | |
1002 | if (*arg1 == ',') | |
1003 | { | |
1004 | no_end = 0; | |
1005 | arg1++; | |
1006 | while (*arg1 == ' ' || *arg1 == '\t') | |
1007 | arg1++; | |
1008 | if (*arg1 == 0) | |
1009 | dummy_end = 1; | |
1010 | else | |
1011 | { | |
f00aae0f KS |
1012 | struct event_location *location; |
1013 | ||
1014 | location = string_to_event_location (&arg1, current_language); | |
1015 | make_cleanup_delete_event_location (location); | |
0378c332 | 1016 | if (dummy_beg) |
f00aae0f | 1017 | sals_end = decode_line_1 (location, |
c2f4122d | 1018 | DECODE_LINE_LIST_MODE, NULL, NULL, 0); |
0378c332 | 1019 | else |
f00aae0f | 1020 | sals_end = decode_line_1 (location, DECODE_LINE_LIST_MODE, |
c2f4122d | 1021 | NULL, sal.symtab, sal.line); |
f00aae0f | 1022 | |
4979d7f0 | 1023 | filter_sals (&sals_end); |
0378c332 | 1024 | if (sals_end.nelts == 0) |
f00aae0f KS |
1025 | { |
1026 | do_cleanups (cleanup); | |
1027 | return; | |
1028 | } | |
0378c332 FN |
1029 | if (sals_end.nelts > 1) |
1030 | { | |
1031 | ambiguous_line_spec (&sals_end); | |
1032 | xfree (sals_end.sals); | |
f00aae0f | 1033 | do_cleanups (cleanup); |
0378c332 FN |
1034 | return; |
1035 | } | |
1036 | sal_end = sals_end.sals[0]; | |
1037 | xfree (sals_end.sals); | |
1038 | } | |
1039 | } | |
1040 | ||
1041 | if (*arg1) | |
8a3fe4f8 | 1042 | error (_("Junk at end of line specification.")); |
0378c332 FN |
1043 | |
1044 | if (!no_end && !dummy_beg && !dummy_end | |
1045 | && sal.symtab != sal_end.symtab) | |
8a3fe4f8 | 1046 | error (_("Specified start and end are in different files.")); |
0378c332 | 1047 | if (dummy_beg && dummy_end) |
8a3fe4f8 | 1048 | error (_("Two empty args do not say what lines to list.")); |
0378c332 | 1049 | |
ebcd3b23 | 1050 | /* If line was specified by address, |
0378c332 | 1051 | first print exactly which line, and which file. |
ebcd3b23 MS |
1052 | |
1053 | In this case, sal.symtab == 0 means address is outside of all | |
1054 | known source files, not that user failed to give a filename. */ | |
0378c332 FN |
1055 | if (*arg == '*') |
1056 | { | |
5af949e3 | 1057 | struct gdbarch *gdbarch; |
cdb27c12 | 1058 | |
0378c332 | 1059 | if (sal.symtab == 0) |
8a3fe4f8 | 1060 | error (_("No source file for address %s."), |
2b69941d | 1061 | paddress (get_current_arch (), sal.pc)); |
5af949e3 | 1062 | |
eb822aa6 | 1063 | gdbarch = get_objfile_arch (SYMTAB_OBJFILE (sal.symtab)); |
0378c332 FN |
1064 | sym = find_pc_function (sal.pc); |
1065 | if (sym) | |
50ee7535 | 1066 | printf_filtered ("%s is in %s (%s:%d).\n", |
5af949e3 UW |
1067 | paddress (gdbarch, sal.pc), |
1068 | SYMBOL_PRINT_NAME (sym), | |
05cba821 | 1069 | symtab_to_filename_for_display (sal.symtab), sal.line); |
0378c332 | 1070 | else |
5af949e3 UW |
1071 | printf_filtered ("%s is at %s:%d.\n", |
1072 | paddress (gdbarch, sal.pc), | |
05cba821 | 1073 | symtab_to_filename_for_display (sal.symtab), sal.line); |
0378c332 FN |
1074 | } |
1075 | ||
ebcd3b23 MS |
1076 | /* If line was not specified by just a line number, and it does not |
1077 | imply a symtab, it must be an undebuggable symbol which means no | |
1078 | source code. */ | |
0378c332 FN |
1079 | |
1080 | if (!linenum_beg && sal.symtab == 0) | |
8a3fe4f8 | 1081 | error (_("No line number known for %s."), arg); |
0378c332 FN |
1082 | |
1083 | /* If this command is repeated with RET, | |
1084 | turn it into the no-arg variant. */ | |
1085 | ||
1086 | if (from_tty) | |
1087 | *arg = 0; | |
1088 | ||
1089 | if (dummy_beg && sal_end.symtab == 0) | |
8a3fe4f8 | 1090 | error (_("No default source file yet. Do \"help list\".")); |
0378c332 FN |
1091 | if (dummy_beg) |
1092 | print_source_lines (sal_end.symtab, | |
1093 | max (sal_end.line - (get_lines_to_list () - 1), 1), | |
1094 | sal_end.line + 1, 0); | |
1095 | else if (sal.symtab == 0) | |
8a3fe4f8 | 1096 | error (_("No default source file yet. Do \"help list\".")); |
0378c332 FN |
1097 | else if (no_end) |
1098 | { | |
1099 | int first_line = sal.line - get_lines_to_list () / 2; | |
1100 | ||
1101 | if (first_line < 1) first_line = 1; | |
1102 | ||
1103 | print_source_lines (sal.symtab, | |
1104 | first_line, | |
1105 | first_line + get_lines_to_list (), | |
1106 | 0); | |
1107 | } | |
1108 | else | |
1109 | print_source_lines (sal.symtab, sal.line, | |
1110 | (dummy_end | |
1111 | ? sal.line + get_lines_to_list () | |
1112 | : sal_end.line + 1), | |
1113 | 0); | |
f00aae0f | 1114 | do_cleanups (cleanup); |
0378c332 FN |
1115 | } |
1116 | ||
d14508fe DE |
1117 | /* Subroutine of disassemble_command to simplify it. |
1118 | Perform the disassembly. | |
1119 | NAME is the name of the function if known, or NULL. | |
1120 | [LOW,HIGH) are the range of addresses to disassemble. | |
1121 | MIXED is non-zero to print source with the assembler. */ | |
1122 | ||
1123 | static void | |
13274fc3 | 1124 | print_disassembly (struct gdbarch *gdbarch, const char *name, |
e6158f16 | 1125 | CORE_ADDR low, CORE_ADDR high, int flags) |
d14508fe DE |
1126 | { |
1127 | #if defined(TUI) | |
1128 | if (!tui_is_window_visible (DISASSEM_WIN)) | |
1129 | #endif | |
1130 | { | |
1131 | printf_filtered ("Dump of assembler code "); | |
1132 | if (name != NULL) | |
1133 | printf_filtered ("for function %s:\n", name); | |
1134 | else | |
5af949e3 UW |
1135 | printf_filtered ("from %s to %s:\n", |
1136 | paddress (gdbarch, low), paddress (gdbarch, high)); | |
d14508fe DE |
1137 | |
1138 | /* Dump the specified range. */ | |
79a45e25 | 1139 | gdb_disassembly (gdbarch, current_uiout, 0, flags, -1, low, high); |
d14508fe DE |
1140 | |
1141 | printf_filtered ("End of assembler dump.\n"); | |
1142 | gdb_flush (gdb_stdout); | |
1143 | } | |
1144 | #if defined(TUI) | |
1145 | else | |
1146 | { | |
13274fc3 | 1147 | tui_show_assembly (gdbarch, low); |
d14508fe DE |
1148 | } |
1149 | #endif | |
1150 | } | |
1151 | ||
1152 | /* Subroutine of disassemble_command to simplify it. | |
9c419145 | 1153 | Print a disassembly of the current function according to FLAGS. */ |
d14508fe DE |
1154 | |
1155 | static void | |
e6158f16 | 1156 | disassemble_current_function (int flags) |
d14508fe | 1157 | { |
13274fc3 UW |
1158 | struct frame_info *frame; |
1159 | struct gdbarch *gdbarch; | |
d14508fe | 1160 | CORE_ADDR low, high, pc; |
2c02bd72 | 1161 | const char *name; |
d14508fe | 1162 | |
13274fc3 UW |
1163 | frame = get_selected_frame (_("No frame selected.")); |
1164 | gdbarch = get_frame_arch (frame); | |
9bf4bce9 | 1165 | pc = get_frame_address_in_block (frame); |
d14508fe DE |
1166 | if (find_pc_partial_function (pc, &name, &low, &high) == 0) |
1167 | error (_("No function contains program counter for selected frame.")); | |
1168 | #if defined(TUI) | |
1169 | /* NOTE: cagney/2003-02-13 The `tui_active' was previously | |
1170 | `tui_version'. */ | |
1171 | if (tui_active) | |
1172 | /* FIXME: cagney/2004-02-07: This should be an observer. */ | |
13274fc3 | 1173 | low = tui_get_low_disassembly_address (gdbarch, low, pc); |
d14508fe | 1174 | #endif |
13274fc3 | 1175 | low += gdbarch_deprecated_function_start_offset (gdbarch); |
d14508fe | 1176 | |
e6158f16 | 1177 | print_disassembly (gdbarch, name, low, high, flags); |
d14508fe DE |
1178 | } |
1179 | ||
1180 | /* Dump a specified section of assembly code. | |
1181 | ||
1182 | Usage: | |
6ff0ba5f | 1183 | disassemble [/mrs] |
d14508fe | 1184 | - dump the assembly code for the function of the current pc |
6ff0ba5f | 1185 | disassemble [/mrs] addr |
d14508fe | 1186 | - dump the assembly code for the function at ADDR |
6ff0ba5f DE |
1187 | disassemble [/mrs] low,high |
1188 | disassemble [/mrs] low,+length | |
53a71c06 | 1189 | - dump the assembly code in the range [LOW,HIGH), or [LOW,LOW+length) |
d14508fe | 1190 | |
6ff0ba5f DE |
1191 | A /m modifier will include source code with the assembly in a |
1192 | "source centric" view. This view lists only the file of the first insn, | |
1193 | even if other source files are involved (e.g., inlined functions), and | |
1194 | the output is in source order, even with optimized code. This view is | |
1195 | considered deprecated as it hasn't been useful in practice. | |
1196 | ||
1197 | A /r modifier will include raw instructions in hex with the assembly. | |
1198 | ||
1199 | A /s modifier will include source code with the assembly, like /m, with | |
1200 | two important differences: | |
1201 | 1) The output is still in pc address order. | |
1202 | 2) File names and contents for all relevant source files are displayed. */ | |
83c31e7d | 1203 | |
83c31e7d FN |
1204 | static void |
1205 | disassemble_command (char *arg, int from_tty) | |
1206 | { | |
13274fc3 | 1207 | struct gdbarch *gdbarch = get_current_arch (); |
83c31e7d | 1208 | CORE_ADDR low, high; |
2c02bd72 | 1209 | const char *name; |
d36fc00b | 1210 | CORE_ADDR pc; |
e6158f16 | 1211 | int flags; |
bbc13ae3 | 1212 | const char *p; |
83c31e7d | 1213 | |
bbc13ae3 | 1214 | p = arg; |
83c31e7d | 1215 | name = NULL; |
e6158f16 | 1216 | flags = 0; |
d14508fe | 1217 | |
bbc13ae3 | 1218 | if (p && *p == '/') |
83c31e7d | 1219 | { |
bbc13ae3 | 1220 | ++p; |
d14508fe | 1221 | |
bbc13ae3 | 1222 | if (*p == '\0') |
d14508fe DE |
1223 | error (_("Missing modifier.")); |
1224 | ||
bbc13ae3 | 1225 | while (*p && ! isspace (*p)) |
d14508fe | 1226 | { |
bbc13ae3 | 1227 | switch (*p++) |
d14508fe DE |
1228 | { |
1229 | case 'm': | |
6ff0ba5f | 1230 | flags |= DISASSEMBLY_SOURCE_DEPRECATED; |
e6158f16 HZ |
1231 | break; |
1232 | case 'r': | |
1233 | flags |= DISASSEMBLY_RAW_INSN; | |
d14508fe | 1234 | break; |
6ff0ba5f DE |
1235 | case 's': |
1236 | flags |= DISASSEMBLY_SOURCE; | |
1237 | break; | |
d14508fe DE |
1238 | default: |
1239 | error (_("Invalid disassembly modifier.")); | |
1240 | } | |
1241 | } | |
1242 | ||
bbc13ae3 | 1243 | p = skip_spaces_const (p); |
d14508fe DE |
1244 | } |
1245 | ||
6ff0ba5f DE |
1246 | if ((flags & (DISASSEMBLY_SOURCE_DEPRECATED | DISASSEMBLY_SOURCE)) |
1247 | == (DISASSEMBLY_SOURCE_DEPRECATED | DISASSEMBLY_SOURCE)) | |
1248 | error (_("Cannot specify both /m and /s.")); | |
1249 | ||
bbc13ae3 | 1250 | if (! p || ! *p) |
d14508fe | 1251 | { |
9c419145 | 1252 | flags |= DISASSEMBLY_OMIT_FNAME; |
e6158f16 | 1253 | disassemble_current_function (flags); |
d14508fe | 1254 | return; |
83c31e7d | 1255 | } |
d14508fe | 1256 | |
bbc13ae3 KS |
1257 | pc = value_as_address (parse_to_comma_and_eval (&p)); |
1258 | if (p[0] == ',') | |
1259 | ++p; | |
1260 | if (p[0] == '\0') | |
83c31e7d FN |
1261 | { |
1262 | /* One argument. */ | |
83c31e7d | 1263 | if (find_pc_partial_function (pc, &name, &low, &high) == 0) |
8a3fe4f8 | 1264 | error (_("No function contains specified address.")); |
83c31e7d | 1265 | #if defined(TUI) |
021e7609 AC |
1266 | /* NOTE: cagney/2003-02-13 The `tui_active' was previously |
1267 | `tui_version'. */ | |
22940a24 AC |
1268 | if (tui_active) |
1269 | /* FIXME: cagney/2004-02-07: This should be an observer. */ | |
13274fc3 | 1270 | low = tui_get_low_disassembly_address (gdbarch, low, pc); |
83c31e7d | 1271 | #endif |
13274fc3 | 1272 | low += gdbarch_deprecated_function_start_offset (gdbarch); |
9c419145 | 1273 | flags |= DISASSEMBLY_OMIT_FNAME; |
83c31e7d FN |
1274 | } |
1275 | else | |
1276 | { | |
1277 | /* Two arguments. */ | |
53a71c06 | 1278 | int incl_flag = 0; |
21a0512e | 1279 | low = pc; |
bbc13ae3 KS |
1280 | p = skip_spaces_const (p); |
1281 | if (p[0] == '+') | |
53a71c06 | 1282 | { |
bbc13ae3 | 1283 | ++p; |
53a71c06 CR |
1284 | incl_flag = 1; |
1285 | } | |
bbc13ae3 | 1286 | high = parse_and_eval_address (p); |
53a71c06 CR |
1287 | if (incl_flag) |
1288 | high += low; | |
83c31e7d FN |
1289 | } |
1290 | ||
e6158f16 | 1291 | print_disassembly (gdbarch, name, low, high, flags); |
83c31e7d FN |
1292 | } |
1293 | ||
d318976c FN |
1294 | static void |
1295 | make_command (char *arg, int from_tty) | |
1296 | { | |
1297 | char *p; | |
1298 | ||
1299 | if (arg == 0) | |
1300 | p = "make"; | |
1301 | else | |
1302 | { | |
224c3ddb | 1303 | p = (char *) xmalloc (sizeof ("make ") + strlen (arg)); |
d318976c FN |
1304 | strcpy (p, "make "); |
1305 | strcpy (p + sizeof ("make ") - 1, arg); | |
1306 | } | |
1307 | ||
1308 | shell_escape (p, from_tty); | |
1309 | } | |
1310 | ||
d318976c FN |
1311 | static void |
1312 | show_user (char *args, int from_tty) | |
1313 | { | |
1314 | struct cmd_list_element *c; | |
1315 | extern struct cmd_list_element *cmdlist; | |
1316 | ||
1317 | if (args) | |
1318 | { | |
6f937416 | 1319 | const char *comname = args; |
cdb27c12 | 1320 | |
adb483fe | 1321 | c = lookup_cmd (&comname, cmdlist, "", 0, 1); |
a9f116cb | 1322 | if (!cli_user_command_p (c)) |
8a3fe4f8 | 1323 | error (_("Not a user command.")); |
adb483fe | 1324 | show_user_1 (c, "", args, gdb_stdout); |
d318976c FN |
1325 | } |
1326 | else | |
1327 | { | |
1328 | for (c = cmdlist; c; c = c->next) | |
1329 | { | |
a9f116cb | 1330 | if (cli_user_command_p (c) || c->prefixlist != NULL) |
adb483fe | 1331 | show_user_1 (c, "", c->name, gdb_stdout); |
d318976c FN |
1332 | } |
1333 | } | |
1334 | } | |
1335 | ||
1336 | /* Search through names of commands and documentations for a certain | |
ebcd3b23 MS |
1337 | regular expression. */ |
1338 | ||
c419cfba | 1339 | static void |
d318976c FN |
1340 | apropos_command (char *searchstr, int from_tty) |
1341 | { | |
d318976c | 1342 | regex_t pattern; |
dc92e161 | 1343 | int code; |
cdb27c12 | 1344 | |
d318976c | 1345 | if (searchstr == NULL) |
f55af66d | 1346 | error (_("REGEXP string is empty")); |
d318976c | 1347 | |
dc92e161 TT |
1348 | code = regcomp (&pattern, searchstr, REG_ICASE); |
1349 | if (code == 0) | |
1350 | { | |
1351 | struct cleanup *cleanups; | |
1352 | ||
1353 | cleanups = make_regfree_cleanup (&pattern); | |
1354 | apropos_cmd (gdb_stdout, cmdlist, &pattern, ""); | |
1355 | do_cleanups (cleanups); | |
1356 | } | |
d318976c FN |
1357 | else |
1358 | { | |
dc92e161 TT |
1359 | char *err = get_regcomp_error (code, &pattern); |
1360 | ||
1361 | make_cleanup (xfree, err); | |
1362 | error (_("Error in regular expression: %s"), err); | |
d318976c | 1363 | } |
d318976c | 1364 | } |
5a56e9c5 DE |
1365 | |
1366 | /* Subroutine of alias_command to simplify it. | |
1367 | Return the first N elements of ARGV flattened back to a string | |
1368 | with a space separating each element. | |
1369 | ARGV may not be NULL. | |
1370 | This does not take care of quoting elements in case they contain spaces | |
1371 | on purpose. */ | |
1372 | ||
1373 | static dyn_string_t | |
1374 | argv_to_dyn_string (char **argv, int n) | |
1375 | { | |
1376 | int i; | |
1377 | dyn_string_t result = dyn_string_new (10); | |
1378 | ||
1379 | gdb_assert (argv != NULL); | |
1380 | gdb_assert (n >= 0 && n <= countargv (argv)); | |
1381 | ||
1382 | for (i = 0; i < n; ++i) | |
1383 | { | |
1384 | if (i > 0) | |
1385 | dyn_string_append_char (result, ' '); | |
1386 | dyn_string_append_cstr (result, argv[i]); | |
1387 | } | |
1388 | ||
1389 | return result; | |
1390 | } | |
1391 | ||
1392 | /* Subroutine of alias_command to simplify it. | |
1393 | Return TRUE if COMMAND exists, unambiguously. Otherwise FALSE. */ | |
1394 | ||
1395 | static int | |
6f937416 | 1396 | valid_command_p (const char *command) |
5a56e9c5 DE |
1397 | { |
1398 | struct cmd_list_element *c; | |
1399 | ||
1400 | c = lookup_cmd_1 (& command, cmdlist, NULL, 1); | |
1401 | ||
1402 | if (c == NULL || c == (struct cmd_list_element *) -1) | |
1403 | return FALSE; | |
1404 | ||
1405 | /* This is the slightly tricky part. | |
1406 | lookup_cmd_1 will return a pointer to the last part of COMMAND | |
1407 | to match, leaving COMMAND pointing at the remainder. */ | |
1408 | while (*command == ' ' || *command == '\t') | |
1409 | ++command; | |
1410 | return *command == '\0'; | |
1411 | } | |
1412 | ||
7f31862a PA |
1413 | /* Called when "alias" was incorrectly used. */ |
1414 | ||
1415 | static void | |
1416 | alias_usage_error (void) | |
1417 | { | |
1418 | error (_("Usage: alias [-a] [--] ALIAS = COMMAND")); | |
1419 | } | |
1420 | ||
5a56e9c5 DE |
1421 | /* Make an alias of an existing command. */ |
1422 | ||
1423 | static void | |
1424 | alias_command (char *args, int from_tty) | |
1425 | { | |
1426 | int i, alias_argc, command_argc; | |
1427 | int abbrev_flag = 0; | |
1428 | char *args2, *equals, *alias, *command; | |
1429 | char **alias_argv, **command_argv; | |
1430 | dyn_string_t alias_dyn_string, command_dyn_string; | |
5b3fca71 | 1431 | struct cleanup *cleanup; |
5a56e9c5 DE |
1432 | |
1433 | if (args == NULL || strchr (args, '=') == NULL) | |
7f31862a | 1434 | alias_usage_error (); |
5a56e9c5 DE |
1435 | |
1436 | args2 = xstrdup (args); | |
5b3fca71 | 1437 | cleanup = make_cleanup (xfree, args2); |
5a56e9c5 DE |
1438 | equals = strchr (args2, '='); |
1439 | *equals = '\0'; | |
1440 | alias_argv = gdb_buildargv (args2); | |
1441 | make_cleanup_freeargv (alias_argv); | |
1442 | command_argv = gdb_buildargv (equals + 1); | |
1443 | make_cleanup_freeargv (command_argv); | |
1444 | ||
1445 | for (i = 0; alias_argv[i] != NULL; ) | |
1446 | { | |
1447 | if (strcmp (alias_argv[i], "-a") == 0) | |
1448 | { | |
1449 | ++alias_argv; | |
1450 | abbrev_flag = 1; | |
1451 | } | |
1452 | else if (strcmp (alias_argv[i], "--") == 0) | |
1453 | { | |
1454 | ++alias_argv; | |
1455 | break; | |
1456 | } | |
1457 | else | |
1458 | break; | |
1459 | } | |
1460 | ||
1461 | if (alias_argv[0] == NULL || command_argv[0] == NULL | |
1462 | || *alias_argv[0] == '\0' || *command_argv[0] == '\0') | |
7f31862a | 1463 | alias_usage_error (); |
5a56e9c5 DE |
1464 | |
1465 | for (i = 0; alias_argv[i] != NULL; ++i) | |
1466 | { | |
1467 | if (! valid_user_defined_cmd_name_p (alias_argv[i])) | |
1468 | { | |
1469 | if (i == 0) | |
1470 | error (_("Invalid command name: %s"), alias_argv[i]); | |
1471 | else | |
1472 | error (_("Invalid command element name: %s"), alias_argv[i]); | |
1473 | } | |
1474 | } | |
1475 | ||
1476 | alias_argc = countargv (alias_argv); | |
1477 | command_argc = countargv (command_argv); | |
1478 | ||
1479 | /* COMMAND must exist. | |
1480 | Reconstruct the command to remove any extraneous spaces, | |
1481 | for better error messages. */ | |
1482 | command_dyn_string = argv_to_dyn_string (command_argv, command_argc); | |
1483 | make_cleanup_dyn_string_delete (command_dyn_string); | |
1484 | command = dyn_string_buf (command_dyn_string); | |
1485 | if (! valid_command_p (command)) | |
1486 | error (_("Invalid command to alias to: %s"), command); | |
1487 | ||
1488 | /* ALIAS must not exist. */ | |
1489 | alias_dyn_string = argv_to_dyn_string (alias_argv, alias_argc); | |
1490 | make_cleanup_dyn_string_delete (alias_dyn_string); | |
1491 | alias = dyn_string_buf (alias_dyn_string); | |
1492 | if (valid_command_p (alias)) | |
1493 | error (_("Alias already exists: %s"), alias); | |
1494 | ||
1495 | /* If ALIAS is one word, it is an alias for the entire COMMAND. | |
1496 | Example: alias spe = set print elements | |
1497 | ||
1498 | Otherwise ALIAS and COMMAND must have the same number of words, | |
1499 | and every word except the last must match; and the last word of | |
1500 | ALIAS is made an alias of the last word of COMMAND. | |
1501 | Example: alias set print elms = set pr elem | |
1502 | Note that unambiguous abbreviations are allowed. */ | |
1503 | ||
1504 | if (alias_argc == 1) | |
1505 | { | |
1506 | /* add_cmd requires *we* allocate space for name, hence the xstrdup. */ | |
1507 | add_com_alias (xstrdup (alias_argv[0]), command, class_alias, | |
1508 | abbrev_flag); | |
1509 | } | |
1510 | else | |
1511 | { | |
5a56e9c5 | 1512 | dyn_string_t alias_prefix_dyn_string, command_prefix_dyn_string; |
6f937416 | 1513 | const char *alias_prefix, *command_prefix; |
5a56e9c5 DE |
1514 | struct cmd_list_element *c_alias, *c_command; |
1515 | ||
1516 | if (alias_argc != command_argc) | |
1517 | error (_("Mismatched command length between ALIAS and COMMAND.")); | |
1518 | ||
1519 | /* Create copies of ALIAS and COMMAND without the last word, | |
1520 | and use that to verify the leading elements match. */ | |
1521 | alias_prefix_dyn_string = | |
1522 | argv_to_dyn_string (alias_argv, alias_argc - 1); | |
1523 | make_cleanup_dyn_string_delete (alias_prefix_dyn_string); | |
1524 | command_prefix_dyn_string = | |
1525 | argv_to_dyn_string (alias_argv, command_argc - 1); | |
1526 | make_cleanup_dyn_string_delete (command_prefix_dyn_string); | |
1527 | alias_prefix = dyn_string_buf (alias_prefix_dyn_string); | |
1528 | command_prefix = dyn_string_buf (command_prefix_dyn_string); | |
1529 | ||
1530 | c_command = lookup_cmd_1 (& command_prefix, cmdlist, NULL, 1); | |
1531 | /* We've already tried to look up COMMAND. */ | |
1532 | gdb_assert (c_command != NULL | |
1533 | && c_command != (struct cmd_list_element *) -1); | |
1534 | gdb_assert (c_command->prefixlist != NULL); | |
1535 | c_alias = lookup_cmd_1 (& alias_prefix, cmdlist, NULL, 1); | |
1536 | if (c_alias != c_command) | |
1537 | error (_("ALIAS and COMMAND prefixes do not match.")); | |
1538 | ||
1539 | /* add_cmd requires *we* allocate space for name, hence the xstrdup. */ | |
1540 | add_alias_cmd (xstrdup (alias_argv[alias_argc - 1]), | |
1541 | command_argv[command_argc - 1], | |
1542 | class_alias, abbrev_flag, c_command->prefixlist); | |
1543 | } | |
5b3fca71 TT |
1544 | |
1545 | do_cleanups (cleanup); | |
5a56e9c5 | 1546 | } |
d318976c | 1547 | \f |
0378c332 | 1548 | /* Print a list of files and line numbers which a user may choose from |
ebcd3b23 MS |
1549 | in order to list a function which was specified ambiguously (as |
1550 | with `list classname::overloadedfuncname', for example). The | |
1551 | vector in SALS provides the filenames and line numbers. */ | |
0378c332 FN |
1552 | |
1553 | static void | |
1554 | ambiguous_line_spec (struct symtabs_and_lines *sals) | |
1555 | { | |
1556 | int i; | |
1557 | ||
1558 | for (i = 0; i < sals->nelts; ++i) | |
a3f17187 | 1559 | printf_filtered (_("file: \"%s\", line number: %d\n"), |
05cba821 JK |
1560 | symtab_to_filename_for_display (sals->sals[i].symtab), |
1561 | sals->sals[i].line); | |
0378c332 FN |
1562 | } |
1563 | ||
f8eba3c6 TT |
1564 | /* Sort function for filter_sals. */ |
1565 | ||
1566 | static int | |
1567 | compare_symtabs (const void *a, const void *b) | |
1568 | { | |
9a3c8263 SM |
1569 | const struct symtab_and_line *sala = (const struct symtab_and_line *) a; |
1570 | const struct symtab_and_line *salb = (const struct symtab_and_line *) b; | |
ee6f8984 DE |
1571 | const char *dira = SYMTAB_DIRNAME (sala->symtab); |
1572 | const char *dirb = SYMTAB_DIRNAME (salb->symtab); | |
f8eba3c6 TT |
1573 | int r; |
1574 | ||
ee6f8984 | 1575 | if (dira == NULL) |
f8eba3c6 | 1576 | { |
ee6f8984 | 1577 | if (dirb != NULL) |
f8eba3c6 TT |
1578 | return -1; |
1579 | } | |
ee6f8984 | 1580 | else if (dirb == NULL) |
f8eba3c6 | 1581 | { |
ee6f8984 | 1582 | if (dira != NULL) |
f8eba3c6 TT |
1583 | return 1; |
1584 | } | |
1585 | else | |
1586 | { | |
ee6f8984 | 1587 | r = filename_cmp (dira, dirb); |
f8eba3c6 TT |
1588 | if (r) |
1589 | return r; | |
1590 | } | |
1591 | ||
1592 | r = filename_cmp (sala->symtab->filename, salb->symtab->filename); | |
1593 | if (r) | |
1594 | return r; | |
1595 | ||
1596 | if (sala->line < salb->line) | |
1597 | return -1; | |
1598 | return sala->line == salb->line ? 0 : 1; | |
1599 | } | |
1600 | ||
1601 | /* Remove any SALs that do not match the current program space, or | |
1602 | which appear to be "file:line" duplicates. */ | |
1603 | ||
1604 | static void | |
1605 | filter_sals (struct symtabs_and_lines *sals) | |
1606 | { | |
1607 | int i, out, prev; | |
1608 | ||
1609 | out = 0; | |
1610 | for (i = 0; i < sals->nelts; ++i) | |
1611 | { | |
1612 | if (sals->sals[i].pspace == current_program_space | |
ccbac09d | 1613 | && sals->sals[i].symtab != NULL) |
f8eba3c6 TT |
1614 | { |
1615 | sals->sals[out] = sals->sals[i]; | |
1616 | ++out; | |
1617 | } | |
1618 | } | |
1619 | sals->nelts = out; | |
1620 | ||
1621 | qsort (sals->sals, sals->nelts, sizeof (struct symtab_and_line), | |
1622 | compare_symtabs); | |
1623 | ||
1624 | out = 1; | |
1625 | prev = 0; | |
1626 | for (i = 1; i < sals->nelts; ++i) | |
1627 | { | |
1628 | if (compare_symtabs (&sals->sals[prev], &sals->sals[i])) | |
1629 | { | |
1630 | /* Symtabs differ. */ | |
1631 | sals->sals[out] = sals->sals[i]; | |
1632 | prev = out; | |
1633 | ++out; | |
1634 | } | |
1635 | } | |
f8eba3c6 TT |
1636 | |
1637 | if (sals->nelts == 0) | |
1638 | { | |
1639 | xfree (sals->sals); | |
1640 | sals->sals = NULL; | |
1641 | } | |
2f2e97fa TT |
1642 | else |
1643 | sals->nelts = out; | |
f8eba3c6 TT |
1644 | } |
1645 | ||
d318976c FN |
1646 | static void |
1647 | set_debug (char *arg, int from_tty) | |
1648 | { | |
9a2b4c1b MS |
1649 | printf_unfiltered (_("\"set debug\" must be followed by " |
1650 | "the name of a debug subcommand.\n")); | |
635c7e8a | 1651 | help_list (setdebuglist, "set debug ", all_commands, gdb_stdout); |
d318976c FN |
1652 | } |
1653 | ||
1654 | static void | |
1655 | show_debug (char *args, int from_tty) | |
1656 | { | |
1657 | cmd_show_list (showdebuglist, from_tty, ""); | |
1658 | } | |
1659 | ||
1660 | void | |
1661 | init_cmd_lists (void) | |
1662 | { | |
20f01a46 | 1663 | max_user_call_depth = 1024; |
d318976c FN |
1664 | } |
1665 | ||
920d2a44 AC |
1666 | static void |
1667 | show_info_verbose (struct ui_file *file, int from_tty, | |
1668 | struct cmd_list_element *c, | |
1669 | const char *value) | |
1670 | { | |
1671 | if (info_verbose) | |
9a2b4c1b MS |
1672 | fprintf_filtered (file, |
1673 | _("Verbose printing of informational messages is %s.\n"), | |
1674 | value); | |
920d2a44 AC |
1675 | else |
1676 | fprintf_filtered (file, _("Verbosity is %s.\n"), value); | |
1677 | } | |
1678 | ||
1679 | static void | |
1680 | show_history_expansion_p (struct ui_file *file, int from_tty, | |
1681 | struct cmd_list_element *c, const char *value) | |
1682 | { | |
1683 | fprintf_filtered (file, _("History expansion on command input is %s.\n"), | |
1684 | value); | |
1685 | } | |
1686 | ||
920d2a44 AC |
1687 | static void |
1688 | show_remote_debug (struct ui_file *file, int from_tty, | |
1689 | struct cmd_list_element *c, const char *value) | |
1690 | { | |
1691 | fprintf_filtered (file, _("Debugging of remote protocol is %s.\n"), | |
1692 | value); | |
1693 | } | |
1694 | ||
1695 | static void | |
1696 | show_remote_timeout (struct ui_file *file, int from_tty, | |
1697 | struct cmd_list_element *c, const char *value) | |
1698 | { | |
9a2b4c1b MS |
1699 | fprintf_filtered (file, |
1700 | _("Timeout limit to wait for target to respond is %s.\n"), | |
920d2a44 AC |
1701 | value); |
1702 | } | |
1703 | ||
1704 | static void | |
1705 | show_max_user_call_depth (struct ui_file *file, int from_tty, | |
1706 | struct cmd_list_element *c, const char *value) | |
1707 | { | |
9a2b4c1b MS |
1708 | fprintf_filtered (file, |
1709 | _("The max call depth for user-defined commands is %s.\n"), | |
920d2a44 AC |
1710 | value); |
1711 | } | |
1712 | ||
d318976c | 1713 | \f |
43e4916f TT |
1714 | |
1715 | initialize_file_ftype _initialize_cli_cmds; | |
1716 | ||
d318976c | 1717 | void |
43e4916f | 1718 | _initialize_cli_cmds (void) |
d318976c FN |
1719 | { |
1720 | struct cmd_list_element *c; | |
1721 | ||
1722 | /* Define the classes of commands. | |
1bfeeb0f | 1723 | They will appear in the help list in alphabetical order. */ |
d318976c | 1724 | |
1a966eab AC |
1725 | add_cmd ("internals", class_maintenance, NULL, _("\ |
1726 | Maintenance commands.\n\ | |
d318976c FN |
1727 | Some gdb commands are provided just for use by gdb maintainers.\n\ |
1728 | These commands are subject to frequent change, and may not be as\n\ | |
1a966eab | 1729 | well documented as user commands."), |
d318976c | 1730 | &cmdlist); |
1a966eab | 1731 | add_cmd ("obscure", class_obscure, NULL, _("Obscure features."), &cmdlist); |
9a2b4c1b MS |
1732 | add_cmd ("aliases", class_alias, NULL, |
1733 | _("Aliases of other commands."), &cmdlist); | |
1a966eab AC |
1734 | add_cmd ("user-defined", class_user, NULL, _("\ |
1735 | User-defined commands.\n\ | |
d318976c | 1736 | The commands in this class are those defined by the user.\n\ |
1a966eab AC |
1737 | Use the \"define\" command to define a command."), &cmdlist); |
1738 | add_cmd ("support", class_support, NULL, _("Support facilities."), &cmdlist); | |
d318976c | 1739 | if (!dbx_commands) |
1a966eab AC |
1740 | add_cmd ("status", class_info, NULL, _("Status inquiries."), &cmdlist); |
1741 | add_cmd ("files", class_files, NULL, _("Specifying and examining files."), | |
1742 | &cmdlist); | |
1743 | add_cmd ("breakpoints", class_breakpoint, NULL, | |
1744 | _("Making program stop at certain points."), &cmdlist); | |
1745 | add_cmd ("data", class_vars, NULL, _("Examining data."), &cmdlist); | |
1746 | add_cmd ("stack", class_stack, NULL, _("\ | |
1747 | Examining the stack.\n\ | |
d318976c FN |
1748 | The stack is made up of stack frames. Gdb assigns numbers to stack frames\n\ |
1749 | counting from zero for the innermost (currently executing) frame.\n\n\ | |
1750 | At any time gdb identifies one frame as the \"selected\" frame.\n\ | |
1751 | Variable lookups are done with respect to the selected frame.\n\ | |
1752 | When the program being debugged stops, gdb selects the innermost frame.\n\ | |
1a966eab | 1753 | The commands below can be used to select other frames by number or address."), |
d318976c | 1754 | &cmdlist); |
1a966eab | 1755 | add_cmd ("running", class_run, NULL, _("Running the program."), &cmdlist); |
d318976c | 1756 | |
ebcd3b23 | 1757 | /* Define general commands. */ |
d318976c | 1758 | |
d729566a | 1759 | add_com ("pwd", class_files, pwd_command, _("\ |
1bedd215 | 1760 | Print working directory. This is used for your program as well.")); |
4f8d22e3 | 1761 | |
1a966eab AC |
1762 | c = add_cmd ("cd", class_files, cd_command, _("\ |
1763 | Set working directory to DIR for debugger and program being debugged.\n\ | |
d318976c | 1764 | The change does not take effect for the program being debugged\n\ |
1a966eab | 1765 | until the next time it is started."), &cmdlist); |
5ba2abeb | 1766 | set_cmd_completer (c, filename_completer); |
d318976c | 1767 | |
1bedd215 AC |
1768 | add_com ("echo", class_support, echo_command, _("\ |
1769 | Print a constant string. Give string as argument.\n\ | |
d318976c FN |
1770 | C escape sequences may be used in the argument.\n\ |
1771 | No newline is added at the end of the argument;\n\ | |
1772 | use \"\\n\" if you want a newline to be printed.\n\ | |
1773 | Since leading and trailing whitespace are ignored in command arguments,\n\ | |
1774 | if you want to print some you must use \"\\\" before leading whitespace\n\ | |
1bedd215 | 1775 | to be printed or after trailing whitespace.")); |
d318976c | 1776 | |
973817a3 JB |
1777 | add_setshow_enum_cmd ("script-extension", class_support, |
1778 | script_ext_enums, &script_ext_mode, _("\ | |
1779 | Set mode for script filename extension recognition."), _("\ | |
1780 | Show mode for script filename extension recognition."), _("\ | |
1781 | off == no filename extension recognition (all sourced files are GDB scripts)\n\ | |
1782 | soft == evaluate script according to filename extension, fallback to GDB script" | |
1783 | "\n\ | |
1784 | strict == evaluate script according to filename extension, error if not supported" | |
1785 | ), | |
1786 | NULL, | |
1787 | show_script_ext_mode, | |
1788 | &setlist, &showlist); | |
1789 | ||
bdb52a22 TT |
1790 | add_com ("quit", class_support, quit_command, _("\ |
1791 | Exit gdb.\n\ | |
1792 | Usage: quit [EXPR]\n\ | |
1793 | The optional expression EXPR, if present, is evaluated and the result\n\ | |
1794 | used as GDB's exit code. The default is zero.")); | |
1bedd215 AC |
1795 | c = add_com ("help", class_support, help_command, |
1796 | _("Print list of commands.")); | |
5ba2abeb | 1797 | set_cmd_completer (c, command_completer); |
d318976c FN |
1798 | add_com_alias ("q", "quit", class_support, 1); |
1799 | add_com_alias ("h", "help", class_support, 1); | |
1800 | ||
5bf193a2 AC |
1801 | add_setshow_boolean_cmd ("verbose", class_support, &info_verbose, _("\ |
1802 | Set verbosity."), _("\ | |
1803 | Show verbosity."), NULL, | |
1804 | set_verbose, | |
920d2a44 | 1805 | show_info_verbose, |
5bf193a2 | 1806 | &setlist, &showlist); |
d318976c FN |
1807 | |
1808 | add_prefix_cmd ("history", class_support, set_history, | |
1bedd215 | 1809 | _("Generic command for setting command history parameters."), |
d318976c FN |
1810 | &sethistlist, "set history ", 0, &setlist); |
1811 | add_prefix_cmd ("history", class_support, show_history, | |
1bedd215 | 1812 | _("Generic command for showing command history parameters."), |
d318976c FN |
1813 | &showhistlist, "show history ", 0, &showlist); |
1814 | ||
5bf193a2 AC |
1815 | add_setshow_boolean_cmd ("expansion", no_class, &history_expansion_p, _("\ |
1816 | Set history expansion on command input."), _("\ | |
1817 | Show history expansion on command input."), _("\ | |
1818 | Without an argument, history expansion is enabled."), | |
1819 | NULL, | |
920d2a44 | 1820 | show_history_expansion_p, |
5bf193a2 | 1821 | &sethistlist, &showhistlist); |
d318976c | 1822 | |
d729566a | 1823 | add_prefix_cmd ("info", class_info, info_command, _("\ |
1bedd215 | 1824 | Generic command for showing things about the program being debugged."), |
d729566a | 1825 | &infolist, "info ", 0, &cmdlist); |
d318976c | 1826 | add_com_alias ("i", "info", class_info, 1); |
a177aad3 | 1827 | add_com_alias ("inf", "info", class_info, 1); |
d318976c FN |
1828 | |
1829 | add_com ("complete", class_obscure, complete_command, | |
1bedd215 | 1830 | _("List the completions for the rest of the line as a command.")); |
d318976c | 1831 | |
d729566a | 1832 | add_prefix_cmd ("show", class_info, show_command, _("\ |
700b53b1 | 1833 | Generic command for showing things about the debugger."), |
d729566a | 1834 | &showlist, "show ", 0, &cmdlist); |
d318976c | 1835 | /* Another way to get at the same thing. */ |
1bedd215 | 1836 | add_info ("set", show_command, _("Show all GDB settings.")); |
d318976c | 1837 | |
db5f229b | 1838 | add_cmd ("commands", no_set_class, show_commands, _("\ |
1a966eab | 1839 | Show the history of commands you typed.\n\ |
d318976c | 1840 | You can supply a command number to start with, or a `+' to start after\n\ |
1a966eab | 1841 | the previous command number shown."), |
d318976c FN |
1842 | &showlist); |
1843 | ||
db5f229b | 1844 | add_cmd ("version", no_set_class, show_version, |
1a966eab | 1845 | _("Show what version of GDB this is."), &showlist); |
d318976c | 1846 | |
6eaaf48b EZ |
1847 | add_cmd ("configuration", no_set_class, show_configuration, |
1848 | _("Show how GDB was configured at build time."), &showlist); | |
1849 | ||
85c07804 AC |
1850 | add_setshow_zinteger_cmd ("remote", no_class, &remote_debug, _("\ |
1851 | Set debugging of remote protocol."), _("\ | |
1852 | Show debugging of remote protocol."), _("\ | |
d318976c | 1853 | When enabled, each packet sent or received with the remote target\n\ |
85c07804 AC |
1854 | is displayed."), |
1855 | NULL, | |
920d2a44 | 1856 | show_remote_debug, |
85c07804 | 1857 | &setdebuglist, &showdebuglist); |
d318976c | 1858 | |
6fc1c773 YQ |
1859 | add_setshow_zuinteger_unlimited_cmd ("remotetimeout", no_class, |
1860 | &remote_timeout, _("\ | |
c0d88b1b AC |
1861 | Set timeout limit to wait for target to respond."), _("\ |
1862 | Show timeout limit to wait for target to respond."), _("\ | |
d318976c | 1863 | This value is used to set the time limit for gdb to wait for a response\n\ |
c0d88b1b | 1864 | from the target."), |
6fc1c773 YQ |
1865 | NULL, |
1866 | show_remote_timeout, | |
1867 | &setlist, &showlist); | |
d318976c FN |
1868 | |
1869 | add_prefix_cmd ("debug", no_class, set_debug, | |
1bedd215 | 1870 | _("Generic command for setting gdb debugging flags"), |
d318976c FN |
1871 | &setdebuglist, "set debug ", 0, &setlist); |
1872 | ||
1873 | add_prefix_cmd ("debug", no_class, show_debug, | |
1bedd215 | 1874 | _("Generic command for showing gdb debugging flags"), |
d318976c FN |
1875 | &showdebuglist, "show debug ", 0, &showlist); |
1876 | ||
1bedd215 AC |
1877 | c = add_com ("shell", class_support, shell_escape, _("\ |
1878 | Execute the rest of the line as a shell command.\n\ | |
1879 | With no arguments, run an inferior shell.")); | |
5ba2abeb | 1880 | set_cmd_completer (c, filename_completer); |
d318976c | 1881 | |
1bedd215 AC |
1882 | c = add_com ("edit", class_files, edit_command, _("\ |
1883 | Edit specified file or function.\n\ | |
0378c332 | 1884 | With no argument, edits file containing most recent line listed.\n\ |
0378c332 FN |
1885 | Editing targets can be specified in these ways:\n\ |
1886 | FILE:LINENUM, to edit at that line in that file,\n\ | |
1887 | FUNCTION, to edit at the beginning of that function,\n\ | |
1888 | FILE:FUNCTION, to distinguish among like-named static functions.\n\ | |
1889 | *ADDRESS, to edit at the line containing that address.\n\ | |
1bedd215 | 1890 | Uses EDITOR environment variable contents as editor (or ex as default).")); |
0378c332 FN |
1891 | |
1892 | c->completer = location_completer; | |
1893 | ||
1bedd215 AC |
1894 | add_com ("list", class_files, list_command, _("\ |
1895 | List specified function or line.\n\ | |
0378c332 FN |
1896 | With no argument, lists ten more lines after or around previous listing.\n\ |
1897 | \"list -\" lists the ten lines before a previous ten-line listing.\n\ | |
1898 | One argument specifies a line, and ten lines are listed around that line.\n\ | |
1899 | Two arguments with comma between specify starting and ending lines to list.\n\ | |
0378c332 FN |
1900 | Lines can be specified in these ways:\n\ |
1901 | LINENUM, to list around that line in current file,\n\ | |
1902 | FILE:LINENUM, to list around that line in that file,\n\ | |
1903 | FUNCTION, to list around beginning of that function,\n\ | |
1904 | FILE:FUNCTION, to distinguish among like-named static functions.\n\ | |
1905 | *ADDRESS, to list around the line containing that address.\n\ | |
4fdd372d AB |
1906 | With two args, if one is empty, it stands for ten lines away from\n\ |
1907 | the other arg.\n\ | |
1908 | \n\ | |
1909 | By default, when a single location is given, display ten lines.\n\ | |
1910 | This can be changed using \"set listsize\", and the current value\n\ | |
1911 | can be shown using \"show listsize\".")); | |
0378c332 | 1912 | |
4f45d445 | 1913 | add_com_alias ("l", "list", class_files, 1); |
0378c332 FN |
1914 | |
1915 | if (dbx_commands) | |
1916 | add_com_alias ("file", "list", class_files, 1); | |
1917 | ||
1bedd215 AC |
1918 | c = add_com ("disassemble", class_vars, disassemble_command, _("\ |
1919 | Disassemble a specified section of memory.\n\ | |
83c31e7d | 1920 | Default is the function surrounding the pc of the selected frame.\n\ |
6ff0ba5f | 1921 | \n\ |
d14508fe | 1922 | With a /m modifier, source lines are included (if available).\n\ |
6ff0ba5f DE |
1923 | This view is \"source centric\": the output is in source line order,\n\ |
1924 | regardless of any optimization that is present. Only the main source file\n\ | |
1925 | is displayed, not those of, e.g., any inlined functions.\n\ | |
1926 | This modifier hasn't proved useful in practice and is deprecated\n\ | |
1927 | in favor of /s.\n\ | |
1928 | \n\ | |
1929 | With a /s modifier, source lines are included (if available).\n\ | |
1930 | This differs from /m in two important respects:\n\ | |
1931 | - the output is still in pc address order, and\n\ | |
1932 | - file names and contents for all relevant source files are displayed.\n\ | |
1933 | \n\ | |
e6158f16 | 1934 | With a /r modifier, raw instructions in hex are included.\n\ |
6ff0ba5f | 1935 | \n\ |
83c31e7d | 1936 | With a single argument, the function surrounding that address is dumped.\n\ |
53a71c06 | 1937 | Two arguments (separated by a comma) are taken as a range of memory to dump,\n\ |
7e1e0340 DE |
1938 | in the form of \"start,end\", or \"start,+length\".\n\ |
1939 | \n\ | |
1940 | Note that the address is interpreted as an expression, not as a location\n\ | |
1941 | like in the \"break\" command.\n\ | |
1942 | So, for example, if you want to disassemble function bar in file foo.c\n\ | |
1943 | you must type \"disassemble 'foo.c'::bar\" and not \"disassemble foo.c:bar\".")); | |
83c31e7d | 1944 | set_cmd_completer (c, location_completer); |
0378c332 | 1945 | |
ed59ded5 | 1946 | add_com_alias ("!", "shell", class_support, 0); |
d318976c | 1947 | |
1bedd215 AC |
1948 | c = add_com ("make", class_support, make_command, _("\ |
1949 | Run the ``make'' program using the rest of the line as arguments.")); | |
5ba2abeb | 1950 | set_cmd_completer (c, filename_completer); |
1a966eab | 1951 | add_cmd ("user", no_class, show_user, _("\ |
ed3ef339 | 1952 | Show definitions of non-python/scheme user defined commands.\n\ |
d318976c | 1953 | Argument is the name of the user defined command.\n\ |
1a966eab | 1954 | With no argument, show definitions of all user defined commands."), &showlist); |
1bedd215 AC |
1955 | add_com ("apropos", class_support, apropos_command, |
1956 | _("Search for commands matching a REGEXP")); | |
20f01a46 | 1957 | |
883b9c6c | 1958 | add_setshow_uinteger_cmd ("max-user-call-depth", no_class, |
c0d88b1b | 1959 | &max_user_call_depth, _("\ |
ed3ef339 DE |
1960 | Set the max call depth for non-python/scheme user-defined commands."), _("\ |
1961 | Show the max call depth for non-python/scheme user-defined commands."), NULL, | |
883b9c6c YQ |
1962 | NULL, |
1963 | show_max_user_call_depth, | |
1964 | &setlist, &showlist); | |
16026cd7 AS |
1965 | |
1966 | add_setshow_boolean_cmd ("trace-commands", no_class, &trace_commands, _("\ | |
1967 | Set tracing of GDB CLI commands."), _("\ | |
1968 | Show state of GDB CLI command tracing."), _("\ | |
1969 | When 'on', each command is displayed as it is executed."), | |
1970 | NULL, | |
1971 | NULL, | |
1972 | &setlist, &showlist); | |
5a56e9c5 DE |
1973 | |
1974 | c = add_com ("alias", class_support, alias_command, _("\ | |
1975 | Define a new command that is an alias of an existing command.\n\ | |
1976 | Usage: alias [-a] [--] ALIAS = COMMAND\n\ | |
1977 | ALIAS is the name of the alias command to create.\n\ | |
1978 | COMMAND is the command being aliased to.\n\ | |
1979 | If \"-a\" is specified, the command is an abbreviation,\n\ | |
1980 | and will not appear in help command list output.\n\ | |
1981 | \n\ | |
1982 | Examples:\n\ | |
1983 | Make \"spe\" an alias of \"set print elements\":\n\ | |
1984 | alias spe = set print elements\n\ | |
1985 | Make \"elms\" an alias of \"elements\" in the \"set print\" command:\n\ | |
1986 | alias -a set print elms = set print elements")); | |
d318976c | 1987 | } |
43e4916f TT |
1988 | |
1989 | void | |
1990 | init_cli_cmds (void) | |
1991 | { | |
1992 | struct cmd_list_element *c; | |
1993 | char *source_help_text; | |
1994 | ||
1995 | source_help_text = xstrprintf (_("\ | |
1996 | Read commands from a file named FILE.\n\ | |
1997 | \n\ | |
1998 | Usage: source [-s] [-v] FILE\n\ | |
1999 | -s: search for the script in the source search path,\n\ | |
2000 | even if FILE contains directories.\n\ | |
2001 | -v: each command in FILE is echoed as it is executed.\n\ | |
2002 | \n\ | |
2003 | Note that the file \"%s\" is read automatically in this way\n\ | |
2004 | when GDB is started."), gdbinit); | |
2005 | c = add_cmd ("source", class_support, source_command, | |
2006 | source_help_text, &cmdlist); | |
2007 | set_cmd_completer (c, filename_completer); | |
2008 | } |