Commit | Line | Data |
---|---|---|
d318976c | 1 | /* GDB CLI commands. |
8926118c | 2 | |
61baf725 | 3 | Copyright (C) 2000-2017 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" |
dbda9972 AC |
22 | #include "readline/readline.h" |
23 | #include "readline/tilde.h" | |
d318976c | 24 | #include "completer.h" |
ebcd3b23 MS |
25 | #include "target.h" /* For baud_rate, remote_debug and remote_timeout. */ |
26 | #include "gdb_wait.h" /* For shell escape implementation. */ | |
27 | #include "gdb_regex.h" /* Used by apropos_command. */ | |
325ed089 | 28 | #include "gdb_vfork.h" |
0378c332 FN |
29 | #include "linespec.h" |
30 | #include "expression.h" | |
83c31e7d FN |
31 | #include "frame.h" |
32 | #include "value.h" | |
0378c332 | 33 | #include "language.h" |
ebcd3b23 | 34 | #include "filenames.h" /* For DOSish file names. */ |
0378c332 FN |
35 | #include "objfiles.h" |
36 | #include "source.h" | |
83c31e7d | 37 | #include "disasm.h" |
33da3f1c | 38 | #include "tracepoint.h" |
614c279d | 39 | #include "filestuff.h" |
f00aae0f | 40 | #include "location.h" |
d318976c | 41 | |
d318976c | 42 | #include "ui-out.h" |
d318976c FN |
43 | |
44 | #include "top.h" | |
45 | #include "cli/cli-decode.h" | |
46 | #include "cli/cli-script.h" | |
47 | #include "cli/cli-setshow.h" | |
48 | #include "cli/cli-cmds.h" | |
529480d0 | 49 | #include "cli/cli-utils.h" |
d318976c | 50 | |
6dddc817 | 51 | #include "extension.h" |
973817a3 | 52 | |
6a83354a | 53 | #ifdef TUI |
ebcd3b23 | 54 | #include "tui/tui.h" /* For tui_active et.al. */ |
6a83354a AC |
55 | #endif |
56 | ||
4b505b12 | 57 | #include <fcntl.h> |
325fac50 | 58 | #include <algorithm> |
a97e29d2 | 59 | #include <string> |
4b505b12 | 60 | |
0378c332 | 61 | /* Prototypes for local command functions */ |
d318976c FN |
62 | |
63 | static void complete_command (char *, int); | |
64 | ||
65 | static void echo_command (char *, int); | |
66 | ||
67 | static void pwd_command (char *, int); | |
68 | ||
69 | static void show_version (char *, int); | |
70 | ||
d318976c FN |
71 | static void help_command (char *, int); |
72 | ||
73 | static void show_command (char *, int); | |
74 | ||
75 | static void info_command (char *, int); | |
76 | ||
77 | static void show_debug (char *, int); | |
78 | ||
79 | static void set_debug (char *, int); | |
80 | ||
81 | static void show_user (char *, int); | |
82 | ||
83 | static void make_command (char *, int); | |
84 | ||
be47f9e8 | 85 | static void shell_escape (const char *, int); |
d318976c | 86 | |
0378c332 FN |
87 | static void edit_command (char *, int); |
88 | ||
89 | static void list_command (char *, int); | |
90 | ||
0378c332 FN |
91 | /* Prototypes for local utility functions */ |
92 | ||
93 | static void ambiguous_line_spec (struct symtabs_and_lines *); | |
f8eba3c6 TT |
94 | |
95 | static void filter_sals (struct symtabs_and_lines *); | |
96 | ||
d318976c | 97 | \f |
20f01a46 | 98 | /* Limit the call depth of user-defined commands */ |
883b9c6c | 99 | unsigned int max_user_call_depth; |
20f01a46 | 100 | |
d318976c FN |
101 | /* Define all cmd_list_elements. */ |
102 | ||
103 | /* Chain containing all defined commands. */ | |
104 | ||
105 | struct cmd_list_element *cmdlist; | |
106 | ||
107 | /* Chain containing all defined info subcommands. */ | |
108 | ||
109 | struct cmd_list_element *infolist; | |
110 | ||
ebcd3b23 | 111 | /* Chain containing all defined enable subcommands. */ |
d318976c FN |
112 | |
113 | struct cmd_list_element *enablelist; | |
114 | ||
ebcd3b23 | 115 | /* Chain containing all defined disable subcommands. */ |
d318976c FN |
116 | |
117 | struct cmd_list_element *disablelist; | |
118 | ||
ebcd3b23 | 119 | /* Chain containing all defined stop subcommands. */ |
d318976c FN |
120 | |
121 | struct cmd_list_element *stoplist; | |
122 | ||
ebcd3b23 | 123 | /* Chain containing all defined delete subcommands. */ |
d318976c FN |
124 | |
125 | struct cmd_list_element *deletelist; | |
126 | ||
ebcd3b23 | 127 | /* Chain containing all defined detach subcommands. */ |
f73adfeb AS |
128 | |
129 | struct cmd_list_element *detachlist; | |
130 | ||
ebcd3b23 | 131 | /* Chain containing all defined kill subcommands. */ |
2277426b PA |
132 | |
133 | struct cmd_list_element *killlist; | |
134 | ||
d318976c FN |
135 | /* Chain containing all defined set subcommands */ |
136 | ||
137 | struct cmd_list_element *setlist; | |
138 | ||
139 | /* Chain containing all defined unset subcommands */ | |
140 | ||
141 | struct cmd_list_element *unsetlist; | |
142 | ||
143 | /* Chain containing all defined show subcommands. */ | |
144 | ||
145 | struct cmd_list_element *showlist; | |
146 | ||
147 | /* Chain containing all defined \"set history\". */ | |
148 | ||
149 | struct cmd_list_element *sethistlist; | |
150 | ||
151 | /* Chain containing all defined \"show history\". */ | |
152 | ||
153 | struct cmd_list_element *showhistlist; | |
154 | ||
155 | /* Chain containing all defined \"unset history\". */ | |
156 | ||
157 | struct cmd_list_element *unsethistlist; | |
158 | ||
ebcd3b23 | 159 | /* Chain containing all defined maintenance subcommands. */ |
d318976c FN |
160 | |
161 | struct cmd_list_element *maintenancelist; | |
162 | ||
ebcd3b23 | 163 | /* Chain containing all defined "maintenance info" subcommands. */ |
d318976c FN |
164 | |
165 | struct cmd_list_element *maintenanceinfolist; | |
166 | ||
ebcd3b23 | 167 | /* Chain containing all defined "maintenance print" subcommands. */ |
d318976c FN |
168 | |
169 | struct cmd_list_element *maintenanceprintlist; | |
170 | ||
171 | struct cmd_list_element *setprintlist; | |
172 | ||
173 | struct cmd_list_element *showprintlist; | |
174 | ||
175 | struct cmd_list_element *setdebuglist; | |
176 | ||
177 | struct cmd_list_element *showdebuglist; | |
178 | ||
179 | struct cmd_list_element *setchecklist; | |
180 | ||
181 | struct cmd_list_element *showchecklist; | |
16026cd7 AS |
182 | |
183 | /* Command tracing state. */ | |
184 | ||
185 | int source_verbose = 0; | |
186 | int trace_commands = 0; | |
d318976c | 187 | \f |
973817a3 JB |
188 | /* 'script-extension' option support. */ |
189 | ||
190 | static const char script_ext_off[] = "off"; | |
191 | static const char script_ext_soft[] = "soft"; | |
192 | static const char script_ext_strict[] = "strict"; | |
193 | ||
40478521 | 194 | static const char *const script_ext_enums[] = { |
973817a3 JB |
195 | script_ext_off, |
196 | script_ext_soft, | |
197 | script_ext_strict, | |
198 | NULL | |
199 | }; | |
200 | ||
201 | static const char *script_ext_mode = script_ext_soft; | |
202 | \f | |
d318976c | 203 | /* Utility used everywhere when at least one argument is needed and |
ebcd3b23 | 204 | none is supplied. */ |
d318976c FN |
205 | |
206 | void | |
5b10184c | 207 | error_no_arg (const char *why) |
d318976c | 208 | { |
8a3fe4f8 | 209 | error (_("Argument required (%s)."), why); |
d318976c FN |
210 | } |
211 | ||
212 | /* The "info" command is defined as a prefix, with allow_unknown = 0. | |
ebcd3b23 MS |
213 | Therefore, its own definition is called only for "info" with no |
214 | args. */ | |
d318976c | 215 | |
d318976c FN |
216 | static void |
217 | info_command (char *arg, int from_tty) | |
218 | { | |
9a2b4c1b MS |
219 | printf_unfiltered (_("\"info\" must be followed by " |
220 | "the name of an info command.\n")); | |
635c7e8a | 221 | help_list (infolist, "info ", all_commands, gdb_stdout); |
d318976c FN |
222 | } |
223 | ||
224 | /* The "show" command with no arguments shows all the settings. */ | |
225 | ||
d318976c FN |
226 | static void |
227 | show_command (char *arg, int from_tty) | |
228 | { | |
229 | cmd_show_list (showlist, from_tty, ""); | |
230 | } | |
231 | \f | |
232 | /* Provide documentation on command or list given by COMMAND. FROM_TTY | |
233 | is ignored. */ | |
234 | ||
d318976c FN |
235 | static void |
236 | help_command (char *command, int from_tty) | |
237 | { | |
238 | help_cmd (command, gdb_stdout); | |
239 | } | |
240 | \f | |
ef0b411a GB |
241 | /* Note: The "complete" command is used by Emacs to implement completion. |
242 | [Is that why this function writes output with *_unfiltered?] */ | |
d318976c | 243 | |
d318976c FN |
244 | static void |
245 | complete_command (char *arg, int from_tty) | |
246 | { | |
d318976c | 247 | int argpoint; |
49c4e619 TT |
248 | char *point, *arg_prefix; |
249 | VEC (char_ptr) *completions; | |
d318976c FN |
250 | |
251 | dont_repeat (); | |
252 | ||
ef0b411a GB |
253 | if (max_completions == 0) |
254 | { | |
255 | /* Only print this for non-mi frontends. An MI frontend may not | |
256 | be able to handle this. */ | |
112e8700 | 257 | if (!current_uiout->is_mi_like_p ()) |
ef0b411a GB |
258 | { |
259 | printf_unfiltered (_("max-completions is zero," | |
260 | " completion is disabled.\n")); | |
261 | } | |
262 | return; | |
263 | } | |
264 | ||
d318976c FN |
265 | if (arg == NULL) |
266 | arg = ""; | |
267 | argpoint = strlen (arg); | |
268 | ||
ebcd3b23 MS |
269 | /* complete_line assumes that its first argument is somewhere |
270 | within, and except for filenames at the beginning of, the word to | |
271 | be completed. The following crude imitation of readline's | |
272 | word-breaking tries to accomodate this. */ | |
d9b52655 DJ |
273 | point = arg + argpoint; |
274 | while (point > arg) | |
275 | { | |
276 | if (strchr (rl_completer_word_break_characters, point[-1]) != 0) | |
277 | break; | |
278 | point--; | |
279 | } | |
280 | ||
224c3ddb | 281 | arg_prefix = (char *) alloca (point - arg + 1); |
d9b52655 DJ |
282 | memcpy (arg_prefix, arg, point - arg); |
283 | arg_prefix[point - arg] = 0; | |
284 | ||
285 | completions = complete_line (point, arg, argpoint); | |
83d31a92 TT |
286 | |
287 | if (completions) | |
d318976c | 288 | { |
49c4e619 TT |
289 | int ix, size = VEC_length (char_ptr, completions); |
290 | char *item, *prev = NULL; | |
83d31a92 | 291 | |
49c4e619 TT |
292 | qsort (VEC_address (char_ptr, completions), size, |
293 | sizeof (char *), compare_strings); | |
83d31a92 TT |
294 | |
295 | /* We do extra processing here since we only want to print each | |
296 | unique item once. */ | |
49c4e619 | 297 | for (ix = 0; VEC_iterate (char_ptr, completions, ix, item); ++ix) |
83d31a92 | 298 | { |
49c4e619 | 299 | if (prev == NULL || strcmp (item, prev) != 0) |
83d31a92 | 300 | { |
49c4e619 TT |
301 | printf_unfiltered ("%s%s\n", arg_prefix, item); |
302 | xfree (prev); | |
303 | prev = item; | |
83d31a92 | 304 | } |
49c4e619 TT |
305 | else |
306 | xfree (item); | |
83d31a92 TT |
307 | } |
308 | ||
49c4e619 TT |
309 | xfree (prev); |
310 | VEC_free (char_ptr, completions); | |
ef0b411a GB |
311 | |
312 | if (size == max_completions) | |
313 | { | |
314 | /* ARG_PREFIX and POINT are included in the output so that emacs | |
315 | will include the message in the output. */ | |
316 | printf_unfiltered (_("%s%s %s\n"), | |
317 | arg_prefix, point, | |
318 | get_max_completions_reached_message ()); | |
319 | } | |
d318976c FN |
320 | } |
321 | } | |
322 | ||
bbaca940 AC |
323 | int |
324 | is_complete_command (struct cmd_list_element *c) | |
d318976c | 325 | { |
bbaca940 | 326 | return cmd_cfunc_eq (c, complete_command); |
d318976c FN |
327 | } |
328 | ||
d318976c FN |
329 | static void |
330 | show_version (char *args, int from_tty) | |
331 | { | |
d318976c FN |
332 | print_gdb_version (gdb_stdout); |
333 | printf_filtered ("\n"); | |
d318976c FN |
334 | } |
335 | ||
6eaaf48b EZ |
336 | static void |
337 | show_configuration (char *args, int from_tty) | |
338 | { | |
339 | print_gdb_configuration (gdb_stdout); | |
340 | } | |
341 | ||
d318976c FN |
342 | /* Handle the quit command. */ |
343 | ||
344 | void | |
345 | quit_command (char *args, int from_tty) | |
346 | { | |
36cf1806 TT |
347 | int exit_code = 0; |
348 | ||
349 | /* An optional expression may be used to cause gdb to terminate with | |
350 | the value of that expression. */ | |
351 | if (args) | |
352 | { | |
353 | struct value *val = parse_and_eval (args); | |
354 | ||
355 | exit_code = (int) value_as_long (val); | |
356 | } | |
357 | ||
d318976c | 358 | if (!quit_confirm ()) |
8a3fe4f8 | 359 | error (_("Not confirmed.")); |
d5551862 | 360 | |
2f9d54cf | 361 | query_if_trace_running (from_tty); |
d5551862 | 362 | |
36cf1806 | 363 | quit_force (args ? &exit_code : NULL, from_tty); |
d318976c FN |
364 | } |
365 | ||
d318976c FN |
366 | static void |
367 | pwd_command (char *args, int from_tty) | |
368 | { | |
369 | if (args) | |
8a3fe4f8 | 370 | error (_("The \"pwd\" command does not take an argument: %s"), args); |
bf1d7d9c JB |
371 | if (! getcwd (gdb_dirbuf, sizeof (gdb_dirbuf))) |
372 | error (_("Error finding name of working directory: %s"), | |
373 | safe_strerror (errno)); | |
d318976c | 374 | |
6314a349 | 375 | if (strcmp (gdb_dirbuf, current_directory) != 0) |
a3f17187 | 376 | printf_unfiltered (_("Working directory %s\n (canonically %s).\n"), |
d318976c FN |
377 | current_directory, gdb_dirbuf); |
378 | else | |
a3f17187 | 379 | printf_unfiltered (_("Working directory %s.\n"), current_directory); |
d318976c FN |
380 | } |
381 | ||
382 | void | |
383 | cd_command (char *dir, int from_tty) | |
384 | { | |
385 | int len; | |
386 | /* Found something other than leading repetitions of "/..". */ | |
387 | int found_real_path; | |
388 | char *p; | |
5b3fca71 | 389 | struct cleanup *cleanup; |
d318976c FN |
390 | |
391 | /* If the new directory is absolute, repeat is a no-op; if relative, | |
392 | repeat might be useful but is more likely to be a mistake. */ | |
393 | dont_repeat (); | |
394 | ||
395 | if (dir == 0) | |
f3c8a52a | 396 | dir = "~"; |
d318976c FN |
397 | |
398 | dir = tilde_expand (dir); | |
5b3fca71 | 399 | cleanup = make_cleanup (xfree, dir); |
d318976c FN |
400 | |
401 | if (chdir (dir) < 0) | |
402 | perror_with_name (dir); | |
403 | ||
c3690141 | 404 | #ifdef HAVE_DOS_BASED_FILE_SYSTEM |
d318976c FN |
405 | /* There's too much mess with DOSish names like "d:", "d:.", |
406 | "d:./foo" etc. Instead of having lots of special #ifdef'ed code, | |
407 | simply get the canonicalized name of the current directory. */ | |
408 | dir = getcwd (gdb_dirbuf, sizeof (gdb_dirbuf)); | |
409 | #endif | |
410 | ||
411 | len = strlen (dir); | |
fe4e3eb8 | 412 | if (IS_DIR_SEPARATOR (dir[len - 1])) |
d318976c FN |
413 | { |
414 | /* Remove the trailing slash unless this is a root directory | |
415 | (including a drive letter on non-Unix systems). */ | |
416 | if (!(len == 1) /* "/" */ | |
c3690141 | 417 | #ifdef HAVE_DOS_BASED_FILE_SYSTEM |
fe4e3eb8 | 418 | && !(len == 3 && dir[1] == ':') /* "d:/" */ |
d318976c FN |
419 | #endif |
420 | ) | |
421 | len--; | |
422 | } | |
423 | ||
424 | dir = savestring (dir, len); | |
fe4e3eb8 | 425 | if (IS_ABSOLUTE_PATH (dir)) |
d318976c FN |
426 | current_directory = dir; |
427 | else | |
428 | { | |
fe4e3eb8 | 429 | if (IS_DIR_SEPARATOR (current_directory[strlen (current_directory) - 1])) |
1754f103 | 430 | current_directory = concat (current_directory, dir, (char *)NULL); |
d318976c | 431 | else |
1754f103 MK |
432 | current_directory = concat (current_directory, SLASH_STRING, |
433 | dir, (char *)NULL); | |
b8c9b27d | 434 | xfree (dir); |
d318976c FN |
435 | } |
436 | ||
437 | /* Now simplify any occurrences of `.' and `..' in the pathname. */ | |
438 | ||
439 | found_real_path = 0; | |
440 | for (p = current_directory; *p;) | |
441 | { | |
fe4e3eb8 EZ |
442 | if (IS_DIR_SEPARATOR (p[0]) && p[1] == '.' |
443 | && (p[2] == 0 || IS_DIR_SEPARATOR (p[2]))) | |
b2a3b509 | 444 | memmove (p, p + 2, strlen (p + 2) + 1); |
fe4e3eb8 EZ |
445 | else if (IS_DIR_SEPARATOR (p[0]) && p[1] == '.' && p[2] == '.' |
446 | && (p[3] == 0 || IS_DIR_SEPARATOR (p[3]))) | |
d318976c FN |
447 | { |
448 | if (found_real_path) | |
449 | { | |
450 | /* Search backwards for the directory just before the "/.." | |
451 | and obliterate it and the "/..". */ | |
452 | char *q = p; | |
cdb27c12 | 453 | |
fe4e3eb8 | 454 | while (q != current_directory && !IS_DIR_SEPARATOR (q[-1])) |
d318976c FN |
455 | --q; |
456 | ||
457 | if (q == current_directory) | |
458 | /* current_directory is | |
459 | a relative pathname ("can't happen"--leave it alone). */ | |
460 | ++p; | |
461 | else | |
462 | { | |
b2a3b509 | 463 | memmove (q - 1, p + 3, strlen (p + 3) + 1); |
d318976c FN |
464 | p = q - 1; |
465 | } | |
466 | } | |
467 | else | |
ebcd3b23 MS |
468 | /* We are dealing with leading repetitions of "/..", for |
469 | example "/../..", which is the Mach super-root. */ | |
d318976c FN |
470 | p += 3; |
471 | } | |
472 | else | |
473 | { | |
474 | found_real_path = 1; | |
475 | ++p; | |
476 | } | |
477 | } | |
478 | ||
479 | forget_cached_source_info (); | |
480 | ||
481 | if (from_tty) | |
482 | pwd_command ((char *) 0, 1); | |
5b3fca71 TT |
483 | |
484 | do_cleanups (cleanup); | |
d318976c FN |
485 | } |
486 | \f | |
973817a3 JB |
487 | /* Show the current value of the 'script-extension' option. */ |
488 | ||
489 | static void | |
490 | show_script_ext_mode (struct ui_file *file, int from_tty, | |
491 | struct cmd_list_element *c, const char *value) | |
d318976c | 492 | { |
9a2b4c1b MS |
493 | fprintf_filtered (file, |
494 | _("Script filename extension recognition is \"%s\".\n"), | |
973817a3 JB |
495 | value); |
496 | } | |
497 | ||
3f7b2faa DE |
498 | /* Try to open SCRIPT_FILE. |
499 | If successful, the full path name is stored in *FULL_PATHP, | |
500 | the stream is stored in *STREAMP, and return 1. | |
501 | The caller is responsible for freeing *FULL_PATHP. | |
502 | If not successful, return 0; errno is set for the last file | |
503 | we tried to open. | |
504 | ||
505 | If SEARCH_PATH is non-zero, and the file isn't found in cwd, | |
f5b95b50 | 506 | search for it in the source search path. */ |
3f7b2faa | 507 | |
8a1ea21f | 508 | int |
3f7b2faa DE |
509 | find_and_open_script (const char *script_file, int search_path, |
510 | FILE **streamp, char **full_pathp) | |
973817a3 | 511 | { |
3f7b2faa | 512 | char *file; |
4b505b12 | 513 | int fd; |
973817a3 | 514 | struct cleanup *old_cleanups; |
492c0ab7 | 515 | int search_flags = OPF_TRY_CWD_FIRST | OPF_RETURN_REALPATH; |
d318976c | 516 | |
3f7b2faa | 517 | file = tilde_expand (script_file); |
b8c9b27d | 518 | old_cleanups = make_cleanup (xfree, file); |
d318976c | 519 | |
3f7b2faa DE |
520 | if (search_path) |
521 | search_flags |= OPF_SEARCH_IN_PATH; | |
4b505b12 | 522 | |
3f7b2faa DE |
523 | /* Search for and open 'file' on the search path used for source |
524 | files. Put the full location in *FULL_PATHP. */ | |
525 | fd = openp (source_path, search_flags, | |
526 | file, O_RDONLY, full_pathp); | |
4b505b12 AS |
527 | |
528 | if (fd == -1) | |
d318976c | 529 | { |
3f7b2faa DE |
530 | int save_errno = errno; |
531 | do_cleanups (old_cleanups); | |
532 | errno = save_errno; | |
533 | return 0; | |
d318976c FN |
534 | } |
535 | ||
3f7b2faa | 536 | do_cleanups (old_cleanups); |
973817a3 | 537 | |
3f7b2faa | 538 | *streamp = fdopen (fd, FOPEN_RT); |
77a35dd8 JK |
539 | if (*streamp == NULL) |
540 | { | |
541 | int save_errno = errno; | |
542 | ||
543 | close (fd); | |
544 | if (full_pathp) | |
545 | xfree (*full_pathp); | |
546 | errno = save_errno; | |
547 | return 0; | |
548 | } | |
549 | ||
973817a3 JB |
550 | return 1; |
551 | } | |
552 | ||
1a70ae97 DE |
553 | /* Load script FILE, which has already been opened as STREAM. |
554 | FILE_TO_OPEN is the form of FILE to use if one needs to open the file. | |
555 | This is provided as FILE may have been found via the source search path. | |
556 | An important thing to note here is that FILE may be a symlink to a file | |
557 | with a different or non-existing suffix, and thus one cannot infer the | |
558 | extension language from FILE_TO_OPEN. */ | |
973817a3 | 559 | |
3f7b2faa | 560 | static void |
1a70ae97 DE |
561 | source_script_from_stream (FILE *stream, const char *file, |
562 | const char *file_to_open) | |
3f7b2faa | 563 | { |
6dddc817 | 564 | if (script_ext_mode != script_ext_off) |
973817a3 | 565 | { |
6dddc817 DE |
566 | const struct extension_language_defn *extlang |
567 | = get_ext_lang_of_file (file); | |
568 | ||
569 | if (extlang != NULL) | |
973817a3 | 570 | { |
6dddc817 DE |
571 | if (ext_lang_present_p (extlang)) |
572 | { | |
573 | script_sourcer_func *sourcer | |
574 | = ext_lang_script_sourcer (extlang); | |
575 | ||
576 | gdb_assert (sourcer != NULL); | |
1a70ae97 | 577 | sourcer (extlang, stream, file_to_open); |
6dddc817 DE |
578 | return; |
579 | } | |
580 | else if (script_ext_mode == script_ext_soft) | |
581 | { | |
582 | /* Assume the file is a gdb script. | |
583 | This is handled below. */ | |
584 | } | |
585 | else | |
586 | throw_ext_lang_unsupported (extlang); | |
973817a3 JB |
587 | } |
588 | } | |
6dddc817 DE |
589 | |
590 | script_from_file (stream, file); | |
3f7b2faa | 591 | } |
d318976c | 592 | |
3f7b2faa DE |
593 | /* Worker to perform the "source" command. |
594 | Load script FILE. | |
595 | If SEARCH_PATH is non-zero, and the file isn't found in cwd, | |
596 | search for it in the source search path. */ | |
597 | ||
598 | static void | |
599 | source_script_with_search (const char *file, int from_tty, int search_path) | |
600 | { | |
601 | FILE *stream; | |
602 | char *full_path; | |
603 | struct cleanup *old_cleanups; | |
604 | ||
605 | if (file == NULL || *file == 0) | |
606 | error (_("source command requires file name of file to source.")); | |
607 | ||
608 | if (!find_and_open_script (file, search_path, &stream, &full_path)) | |
609 | { | |
d234ef5c | 610 | /* The script wasn't found, or was otherwise inaccessible. |
ebcd3b23 MS |
611 | If the source command was invoked interactively, throw an |
612 | error. Otherwise (e.g. if it was invoked by a script), | |
7c647d61 | 613 | just emit a warning, rather than cause an error. */ |
3f7b2faa DE |
614 | if (from_tty) |
615 | perror_with_name (file); | |
616 | else | |
7c647d61 JB |
617 | { |
618 | perror_warning_with_name (file); | |
619 | return; | |
620 | } | |
3f7b2faa DE |
621 | } |
622 | ||
623 | old_cleanups = make_cleanup (xfree, full_path); | |
86eb7e95 | 624 | make_cleanup_fclose (stream); |
d234ef5c DE |
625 | /* The python support reopens the file, so we need to pass full_path here |
626 | in case the file was found on the search path. It's useful to do this | |
627 | anyway so that error messages show the actual file used. But only do | |
628 | this if we (may have) used search_path, as printing the full path in | |
629 | errors for the non-search case can be more noise than signal. */ | |
1a70ae97 | 630 | source_script_from_stream (stream, file, search_path ? full_path : file); |
d318976c FN |
631 | do_cleanups (old_cleanups); |
632 | } | |
633 | ||
3f7b2faa DE |
634 | /* Wrapper around source_script_with_search to export it to main.c |
635 | for use in loading .gdbinit scripts. */ | |
636 | ||
637 | void | |
50dd9793 | 638 | source_script (const char *file, int from_tty) |
3f7b2faa DE |
639 | { |
640 | source_script_with_search (file, from_tty, 0); | |
641 | } | |
642 | ||
16026cd7 AS |
643 | /* Return the source_verbose global variable to its previous state |
644 | on exit from the source command, by whatever means. */ | |
645 | static void | |
646 | source_verbose_cleanup (void *old_value) | |
647 | { | |
648 | source_verbose = *(int *)old_value; | |
649 | xfree (old_value); | |
650 | } | |
651 | ||
652 | static void | |
653 | source_command (char *args, int from_tty) | |
654 | { | |
655 | struct cleanup *old_cleanups; | |
656 | char *file = args; | |
8d749320 | 657 | int *old_source_verbose = XNEW (int); |
3f7b2faa | 658 | int search_path = 0; |
16026cd7 AS |
659 | |
660 | *old_source_verbose = source_verbose; | |
ebcd3b23 MS |
661 | old_cleanups = make_cleanup (source_verbose_cleanup, |
662 | old_source_verbose); | |
16026cd7 AS |
663 | |
664 | /* -v causes the source command to run in verbose mode. | |
3f7b2faa DE |
665 | -s causes the file to be searched in the source search path, |
666 | even if the file name contains a '/'. | |
16026cd7 AS |
667 | We still have to be able to handle filenames with spaces in a |
668 | backward compatible way, so buildargv is not appropriate. */ | |
669 | ||
670 | if (args) | |
671 | { | |
3f7b2faa | 672 | while (args[0] != '\0') |
16026cd7 | 673 | { |
ebcd3b23 MS |
674 | /* Make sure leading white space does not break the |
675 | comparisons. */ | |
529480d0 | 676 | args = skip_spaces (args); |
3f7b2faa DE |
677 | |
678 | if (args[0] != '-') | |
679 | break; | |
680 | ||
681 | if (args[1] == 'v' && isspace (args[2])) | |
682 | { | |
683 | source_verbose = 1; | |
684 | ||
685 | /* Skip passed -v. */ | |
686 | args = &args[3]; | |
687 | } | |
688 | else if (args[1] == 's' && isspace (args[2])) | |
689 | { | |
690 | search_path = 1; | |
16026cd7 | 691 | |
3f7b2faa DE |
692 | /* Skip passed -s. */ |
693 | args = &args[3]; | |
694 | } | |
695 | else | |
696 | break; | |
16026cd7 | 697 | } |
3f7b2faa | 698 | |
529480d0 | 699 | file = skip_spaces (args); |
16026cd7 AS |
700 | } |
701 | ||
3f7b2faa | 702 | source_script_with_search (file, from_tty, search_path); |
96e39866 DE |
703 | |
704 | do_cleanups (old_cleanups); | |
16026cd7 AS |
705 | } |
706 | ||
707 | ||
d318976c FN |
708 | static void |
709 | echo_command (char *text, int from_tty) | |
710 | { | |
d7561cbb | 711 | const char *p = text; |
d5b5ac79 | 712 | int c; |
d318976c FN |
713 | |
714 | if (text) | |
715 | while ((c = *p++) != '\0') | |
716 | { | |
717 | if (c == '\\') | |
718 | { | |
719 | /* \ at end of argument is used after spaces | |
720 | so they won't be lost. */ | |
721 | if (*p == 0) | |
722 | return; | |
723 | ||
f870a310 | 724 | c = parse_escape (get_current_arch (), &p); |
d318976c FN |
725 | if (c >= 0) |
726 | printf_filtered ("%c", c); | |
727 | } | |
728 | else | |
729 | printf_filtered ("%c", c); | |
730 | } | |
731 | ||
732 | /* Force this output to appear now. */ | |
733 | wrap_here (""); | |
734 | gdb_flush (gdb_stdout); | |
735 | } | |
736 | ||
d318976c | 737 | static void |
be47f9e8 | 738 | shell_escape (const char *arg, int from_tty) |
d318976c | 739 | { |
9b265ec2 MM |
740 | #if defined(CANT_FORK) || \ |
741 | (!defined(HAVE_WORKING_VFORK) && !defined(HAVE_WORKING_FORK)) | |
d318976c FN |
742 | /* If ARG is NULL, they want an inferior shell, but `system' just |
743 | reports if the shell is available when passed a NULL arg. */ | |
744 | int rc = system (arg ? arg : ""); | |
745 | ||
746 | if (!arg) | |
747 | arg = "inferior shell"; | |
748 | ||
749 | if (rc == -1) | |
750 | { | |
751 | fprintf_unfiltered (gdb_stderr, "Cannot execute %s: %s\n", arg, | |
752 | safe_strerror (errno)); | |
753 | gdb_flush (gdb_stderr); | |
754 | } | |
755 | else if (rc) | |
756 | { | |
757 | fprintf_unfiltered (gdb_stderr, "%s exited with status %d\n", arg, rc); | |
758 | gdb_flush (gdb_stderr); | |
759 | } | |
2584159e | 760 | #ifdef GLOBAL_CURDIR |
ebcd3b23 MS |
761 | /* Make sure to return to the directory GDB thinks it is, in case |
762 | the shell command we just ran changed it. */ | |
d318976c FN |
763 | chdir (current_directory); |
764 | #endif | |
765 | #else /* Can fork. */ | |
5be4dfca | 766 | int status, pid; |
d318976c | 767 | |
325ed089 | 768 | if ((pid = vfork ()) == 0) |
d318976c | 769 | { |
9f37bbcc | 770 | const char *p, *user_shell; |
30e94205 | 771 | |
614c279d TT |
772 | close_most_fds (); |
773 | ||
30e94205 DJ |
774 | if ((user_shell = (char *) getenv ("SHELL")) == NULL) |
775 | user_shell = "/bin/sh"; | |
776 | ||
ebcd3b23 | 777 | /* Get the name of the shell for arg0. */ |
9f37bbcc | 778 | p = lbasename (user_shell); |
30e94205 | 779 | |
d318976c | 780 | if (!arg) |
36662fde | 781 | execl (user_shell, p, (char *) 0); |
d318976c | 782 | else |
36662fde | 783 | execl (user_shell, p, "-c", arg, (char *) 0); |
d318976c FN |
784 | |
785 | fprintf_unfiltered (gdb_stderr, "Cannot execute %s: %s\n", user_shell, | |
786 | safe_strerror (errno)); | |
787 | gdb_flush (gdb_stderr); | |
788 | _exit (0177); | |
789 | } | |
790 | ||
791 | if (pid != -1) | |
5be4dfca | 792 | waitpid (pid, &status, 0); |
d318976c | 793 | else |
8a3fe4f8 | 794 | error (_("Fork failed")); |
d318976c FN |
795 | #endif /* Can fork. */ |
796 | } | |
797 | ||
be47f9e8 PA |
798 | /* Implementation of the "shell" command. */ |
799 | ||
800 | static void | |
801 | shell_command (char *arg, int from_tty) | |
802 | { | |
803 | shell_escape (arg, from_tty); | |
804 | } | |
805 | ||
0378c332 FN |
806 | static void |
807 | edit_command (char *arg, int from_tty) | |
808 | { | |
809 | struct symtabs_and_lines sals; | |
810 | struct symtab_and_line sal; | |
811 | struct symbol *sym; | |
0378c332 | 812 | char *editor; |
0b0865da TT |
813 | char *p; |
814 | const char *fn; | |
0378c332 | 815 | |
d5529a84 | 816 | /* Pull in the current default source line if necessary. */ |
0378c332 | 817 | if (arg == 0) |
53cb0458 FN |
818 | { |
819 | set_default_source_symtab_and_line (); | |
820 | sal = get_current_source_symtab_and_line (); | |
821 | } | |
0378c332 | 822 | |
ebcd3b23 | 823 | /* Bare "edit" edits file with present line. */ |
0378c332 FN |
824 | |
825 | if (arg == 0) | |
826 | { | |
827 | if (sal.symtab == 0) | |
8a3fe4f8 | 828 | error (_("No default source file yet.")); |
0378c332 FN |
829 | sal.line += get_lines_to_list () / 2; |
830 | } | |
831 | else | |
832 | { | |
f00aae0f KS |
833 | struct cleanup *cleanup; |
834 | struct event_location *location; | |
835 | char *arg1; | |
0378c332 | 836 | |
f00aae0f | 837 | /* Now should only be one argument -- decode it in SAL. */ |
0378c332 | 838 | arg1 = arg; |
f00aae0f KS |
839 | location = string_to_event_location (&arg1, current_language); |
840 | cleanup = make_cleanup_delete_event_location (location); | |
c2f4122d | 841 | sals = decode_line_1 (location, DECODE_LINE_LIST_MODE, NULL, NULL, 0); |
0378c332 | 842 | |
f8eba3c6 | 843 | filter_sals (&sals); |
d5529a84 TT |
844 | if (! sals.nelts) |
845 | { | |
846 | /* C++ */ | |
f00aae0f | 847 | do_cleanups (cleanup); |
d5529a84 TT |
848 | return; |
849 | } | |
850 | if (sals.nelts > 1) | |
851 | { | |
852 | ambiguous_line_spec (&sals); | |
853 | xfree (sals.sals); | |
f00aae0f | 854 | do_cleanups (cleanup); |
d5529a84 TT |
855 | return; |
856 | } | |
0378c332 FN |
857 | |
858 | sal = sals.sals[0]; | |
859 | xfree (sals.sals); | |
860 | ||
861 | if (*arg1) | |
8a3fe4f8 | 862 | error (_("Junk at end of line specification.")); |
0378c332 | 863 | |
ebcd3b23 MS |
864 | /* If line was specified by address, first print exactly which |
865 | line, and which file. In this case, sal.symtab == 0 means | |
866 | address is outside of all known source files, not that user | |
867 | failed to give a filename. */ | |
0378c332 FN |
868 | if (*arg == '*') |
869 | { | |
5af949e3 | 870 | struct gdbarch *gdbarch; |
cdb27c12 | 871 | |
0378c332 | 872 | if (sal.symtab == 0) |
8a3fe4f8 | 873 | error (_("No source file for address %s."), |
2b69941d | 874 | paddress (get_current_arch (), sal.pc)); |
5af949e3 | 875 | |
eb822aa6 | 876 | gdbarch = get_objfile_arch (SYMTAB_OBJFILE (sal.symtab)); |
0378c332 FN |
877 | sym = find_pc_function (sal.pc); |
878 | if (sym) | |
5af949e3 UW |
879 | printf_filtered ("%s is in %s (%s:%d).\n", |
880 | paddress (gdbarch, sal.pc), | |
881 | SYMBOL_PRINT_NAME (sym), | |
05cba821 JK |
882 | symtab_to_filename_for_display (sal.symtab), |
883 | sal.line); | |
0378c332 | 884 | else |
5af949e3 UW |
885 | printf_filtered ("%s is at %s:%d.\n", |
886 | paddress (gdbarch, sal.pc), | |
05cba821 JK |
887 | symtab_to_filename_for_display (sal.symtab), |
888 | sal.line); | |
0378c332 FN |
889 | } |
890 | ||
ebcd3b23 MS |
891 | /* If what was given does not imply a symtab, it must be an |
892 | undebuggable symbol which means no source code. */ | |
0378c332 FN |
893 | |
894 | if (sal.symtab == 0) | |
8a3fe4f8 | 895 | error (_("No line number known for %s."), arg); |
f00aae0f | 896 | do_cleanups (cleanup); |
0378c332 FN |
897 | } |
898 | ||
899 | if ((editor = (char *) getenv ("EDITOR")) == NULL) | |
900 | editor = "/bin/ex"; | |
a955ca71 | 901 | |
f35a17b5 | 902 | fn = symtab_to_fullname (sal.symtab); |
0378c332 | 903 | |
a955ca71 EZ |
904 | /* Quote the file name, in case it has whitespace or other special |
905 | characters. */ | |
906 | p = xstrprintf ("%s +%d \"%s\"", editor, sal.line, fn); | |
d5529a84 TT |
907 | shell_escape (p, from_tty); |
908 | xfree (p); | |
0378c332 FN |
909 | } |
910 | ||
911 | static void | |
912 | list_command (char *arg, int from_tty) | |
913 | { | |
914 | struct symtabs_and_lines sals, sals_end; | |
245c7f48 DJ |
915 | struct symtab_and_line sal = { 0 }; |
916 | struct symtab_and_line sal_end = { 0 }; | |
917 | struct symtab_and_line cursal = { 0 }; | |
0378c332 FN |
918 | struct symbol *sym; |
919 | char *arg1; | |
920 | int no_end = 1; | |
921 | int dummy_end = 0; | |
922 | int dummy_beg = 0; | |
923 | int linenum_beg = 0; | |
924 | char *p; | |
f00aae0f KS |
925 | struct cleanup *cleanup; |
926 | ||
927 | cleanup = make_cleanup (null_cleanup, NULL); | |
0378c332 | 928 | |
ebcd3b23 | 929 | /* Pull in the current default source line if necessary. */ |
a0def019 | 930 | if (arg == NULL || ((arg[0] == '+' || arg[0] == '-') && arg[1] == '\0')) |
53cb0458 FN |
931 | { |
932 | set_default_source_symtab_and_line (); | |
933 | cursal = get_current_source_symtab_and_line (); | |
5166082f PA |
934 | |
935 | /* If this is the first "list" since we've set the current | |
936 | source line, center the listing around that line. */ | |
937 | if (get_first_line_listed () == 0) | |
938 | { | |
939 | int first; | |
940 | ||
325fac50 | 941 | first = std::max (cursal.line - get_lines_to_list () / 2, 1); |
5166082f PA |
942 | |
943 | /* A small special case --- if listing backwards, and we | |
944 | should list only one line, list the preceding line, | |
945 | instead of the exact line we've just shown after e.g., | |
946 | stopping for a breakpoint. */ | |
947 | if (arg != NULL && arg[0] == '-' | |
948 | && get_lines_to_list () == 1 && first > 1) | |
949 | first -= 1; | |
950 | ||
951 | print_source_lines (cursal.symtab, first, | |
952 | first + get_lines_to_list (), 0); | |
5166082f | 953 | } |
0378c332 | 954 | |
1a48ce76 | 955 | /* "l" or "l +" lists next ten lines. */ |
a0def019 | 956 | else if (arg == NULL || arg[0] == '+') |
1a48ce76 AB |
957 | print_source_lines (cursal.symtab, cursal.line, |
958 | cursal.line + get_lines_to_list (), 0); | |
0378c332 | 959 | |
1a48ce76 AB |
960 | /* "l -" lists previous ten lines, the ones before the ten just |
961 | listed. */ | |
a0def019 | 962 | else if (arg[0] == '-') |
3b2464a8 AB |
963 | { |
964 | if (get_first_line_listed () == 1) | |
965 | error (_("Already at the start of %s."), | |
966 | symtab_to_filename_for_display (cursal.symtab)); | |
967 | print_source_lines (cursal.symtab, | |
325fac50 PA |
968 | std::max (get_first_line_listed () |
969 | - get_lines_to_list (), 1), | |
3b2464a8 AB |
970 | get_first_line_listed (), 0); |
971 | } | |
0378c332 | 972 | |
0378c332 FN |
973 | return; |
974 | } | |
975 | ||
976 | /* Now if there is only one argument, decode it in SAL | |
977 | and set NO_END. | |
978 | If there are two arguments, decode them in SAL and SAL_END | |
979 | and clear NO_END; however, if one of the arguments is blank, | |
980 | set DUMMY_BEG or DUMMY_END to record that fact. */ | |
981 | ||
982 | if (!have_full_symbols () && !have_partial_symbols ()) | |
8a3fe4f8 | 983 | error (_("No symbol table is loaded. Use the \"file\" command.")); |
0378c332 FN |
984 | |
985 | arg1 = arg; | |
986 | if (*arg1 == ',') | |
987 | dummy_beg = 1; | |
988 | else | |
989 | { | |
f00aae0f KS |
990 | struct event_location *location; |
991 | ||
992 | location = string_to_event_location (&arg1, current_language); | |
993 | make_cleanup_delete_event_location (location); | |
c2f4122d | 994 | sals = decode_line_1 (location, DECODE_LINE_LIST_MODE, NULL, NULL, 0); |
0378c332 | 995 | |
f8eba3c6 | 996 | filter_sals (&sals); |
0378c332 | 997 | if (!sals.nelts) |
f00aae0f KS |
998 | { |
999 | /* C++ */ | |
1000 | do_cleanups (cleanup); | |
1001 | return; | |
1002 | } | |
0378c332 FN |
1003 | if (sals.nelts > 1) |
1004 | { | |
1005 | ambiguous_line_spec (&sals); | |
1006 | xfree (sals.sals); | |
f00aae0f | 1007 | do_cleanups (cleanup); |
0378c332 FN |
1008 | return; |
1009 | } | |
1010 | ||
1011 | sal = sals.sals[0]; | |
1012 | xfree (sals.sals); | |
1013 | } | |
1014 | ||
1015 | /* Record whether the BEG arg is all digits. */ | |
1016 | ||
1017 | for (p = arg; p != arg1 && *p >= '0' && *p <= '9'; p++); | |
1018 | linenum_beg = (p == arg1); | |
1019 | ||
1020 | while (*arg1 == ' ' || *arg1 == '\t') | |
1021 | arg1++; | |
1022 | if (*arg1 == ',') | |
1023 | { | |
1024 | no_end = 0; | |
1025 | arg1++; | |
1026 | while (*arg1 == ' ' || *arg1 == '\t') | |
1027 | arg1++; | |
1028 | if (*arg1 == 0) | |
1029 | dummy_end = 1; | |
1030 | else | |
1031 | { | |
f00aae0f KS |
1032 | struct event_location *location; |
1033 | ||
1034 | location = string_to_event_location (&arg1, current_language); | |
1035 | make_cleanup_delete_event_location (location); | |
0378c332 | 1036 | if (dummy_beg) |
f00aae0f | 1037 | sals_end = decode_line_1 (location, |
c2f4122d | 1038 | DECODE_LINE_LIST_MODE, NULL, NULL, 0); |
0378c332 | 1039 | else |
f00aae0f | 1040 | sals_end = decode_line_1 (location, DECODE_LINE_LIST_MODE, |
c2f4122d | 1041 | NULL, sal.symtab, sal.line); |
f00aae0f | 1042 | |
4979d7f0 | 1043 | filter_sals (&sals_end); |
0378c332 | 1044 | if (sals_end.nelts == 0) |
f00aae0f KS |
1045 | { |
1046 | do_cleanups (cleanup); | |
1047 | return; | |
1048 | } | |
0378c332 FN |
1049 | if (sals_end.nelts > 1) |
1050 | { | |
1051 | ambiguous_line_spec (&sals_end); | |
1052 | xfree (sals_end.sals); | |
f00aae0f | 1053 | do_cleanups (cleanup); |
0378c332 FN |
1054 | return; |
1055 | } | |
1056 | sal_end = sals_end.sals[0]; | |
1057 | xfree (sals_end.sals); | |
1058 | } | |
1059 | } | |
1060 | ||
1061 | if (*arg1) | |
8a3fe4f8 | 1062 | error (_("Junk at end of line specification.")); |
0378c332 FN |
1063 | |
1064 | if (!no_end && !dummy_beg && !dummy_end | |
1065 | && sal.symtab != sal_end.symtab) | |
8a3fe4f8 | 1066 | error (_("Specified start and end are in different files.")); |
0378c332 | 1067 | if (dummy_beg && dummy_end) |
8a3fe4f8 | 1068 | error (_("Two empty args do not say what lines to list.")); |
0378c332 | 1069 | |
ebcd3b23 | 1070 | /* If line was specified by address, |
0378c332 | 1071 | first print exactly which line, and which file. |
ebcd3b23 MS |
1072 | |
1073 | In this case, sal.symtab == 0 means address is outside of all | |
1074 | known source files, not that user failed to give a filename. */ | |
0378c332 FN |
1075 | if (*arg == '*') |
1076 | { | |
5af949e3 | 1077 | struct gdbarch *gdbarch; |
cdb27c12 | 1078 | |
0378c332 | 1079 | if (sal.symtab == 0) |
8a3fe4f8 | 1080 | error (_("No source file for address %s."), |
2b69941d | 1081 | paddress (get_current_arch (), sal.pc)); |
5af949e3 | 1082 | |
eb822aa6 | 1083 | gdbarch = get_objfile_arch (SYMTAB_OBJFILE (sal.symtab)); |
0378c332 FN |
1084 | sym = find_pc_function (sal.pc); |
1085 | if (sym) | |
50ee7535 | 1086 | printf_filtered ("%s is in %s (%s:%d).\n", |
5af949e3 UW |
1087 | paddress (gdbarch, sal.pc), |
1088 | SYMBOL_PRINT_NAME (sym), | |
05cba821 | 1089 | symtab_to_filename_for_display (sal.symtab), sal.line); |
0378c332 | 1090 | else |
5af949e3 UW |
1091 | printf_filtered ("%s is at %s:%d.\n", |
1092 | paddress (gdbarch, sal.pc), | |
05cba821 | 1093 | symtab_to_filename_for_display (sal.symtab), sal.line); |
0378c332 FN |
1094 | } |
1095 | ||
ebcd3b23 MS |
1096 | /* If line was not specified by just a line number, and it does not |
1097 | imply a symtab, it must be an undebuggable symbol which means no | |
1098 | source code. */ | |
0378c332 FN |
1099 | |
1100 | if (!linenum_beg && sal.symtab == 0) | |
8a3fe4f8 | 1101 | error (_("No line number known for %s."), arg); |
0378c332 FN |
1102 | |
1103 | /* If this command is repeated with RET, | |
1104 | turn it into the no-arg variant. */ | |
1105 | ||
1106 | if (from_tty) | |
1107 | *arg = 0; | |
1108 | ||
1109 | if (dummy_beg && sal_end.symtab == 0) | |
8a3fe4f8 | 1110 | error (_("No default source file yet. Do \"help list\".")); |
0378c332 FN |
1111 | if (dummy_beg) |
1112 | print_source_lines (sal_end.symtab, | |
325fac50 | 1113 | std::max (sal_end.line - (get_lines_to_list () - 1), 1), |
0378c332 FN |
1114 | sal_end.line + 1, 0); |
1115 | else if (sal.symtab == 0) | |
8a3fe4f8 | 1116 | error (_("No default source file yet. Do \"help list\".")); |
0378c332 FN |
1117 | else if (no_end) |
1118 | { | |
1119 | int first_line = sal.line - get_lines_to_list () / 2; | |
1120 | ||
1121 | if (first_line < 1) first_line = 1; | |
1122 | ||
1123 | print_source_lines (sal.symtab, | |
1124 | first_line, | |
1125 | first_line + get_lines_to_list (), | |
1126 | 0); | |
1127 | } | |
1128 | else | |
1129 | print_source_lines (sal.symtab, sal.line, | |
1130 | (dummy_end | |
1131 | ? sal.line + get_lines_to_list () | |
1132 | : sal_end.line + 1), | |
1133 | 0); | |
f00aae0f | 1134 | do_cleanups (cleanup); |
0378c332 FN |
1135 | } |
1136 | ||
d14508fe DE |
1137 | /* Subroutine of disassemble_command to simplify it. |
1138 | Perform the disassembly. | |
1139 | NAME is the name of the function if known, or NULL. | |
1140 | [LOW,HIGH) are the range of addresses to disassemble. | |
1141 | MIXED is non-zero to print source with the assembler. */ | |
1142 | ||
1143 | static void | |
13274fc3 | 1144 | print_disassembly (struct gdbarch *gdbarch, const char *name, |
e6158f16 | 1145 | CORE_ADDR low, CORE_ADDR high, int flags) |
d14508fe DE |
1146 | { |
1147 | #if defined(TUI) | |
1148 | if (!tui_is_window_visible (DISASSEM_WIN)) | |
1149 | #endif | |
1150 | { | |
1151 | printf_filtered ("Dump of assembler code "); | |
1152 | if (name != NULL) | |
1153 | printf_filtered ("for function %s:\n", name); | |
1154 | else | |
5af949e3 UW |
1155 | printf_filtered ("from %s to %s:\n", |
1156 | paddress (gdbarch, low), paddress (gdbarch, high)); | |
d14508fe DE |
1157 | |
1158 | /* Dump the specified range. */ | |
7a8eb317 | 1159 | gdb_disassembly (gdbarch, current_uiout, flags, -1, low, high); |
d14508fe DE |
1160 | |
1161 | printf_filtered ("End of assembler dump.\n"); | |
1162 | gdb_flush (gdb_stdout); | |
1163 | } | |
1164 | #if defined(TUI) | |
1165 | else | |
1166 | { | |
13274fc3 | 1167 | tui_show_assembly (gdbarch, low); |
d14508fe DE |
1168 | } |
1169 | #endif | |
1170 | } | |
1171 | ||
1172 | /* Subroutine of disassemble_command to simplify it. | |
9c419145 | 1173 | Print a disassembly of the current function according to FLAGS. */ |
d14508fe DE |
1174 | |
1175 | static void | |
e6158f16 | 1176 | disassemble_current_function (int flags) |
d14508fe | 1177 | { |
13274fc3 UW |
1178 | struct frame_info *frame; |
1179 | struct gdbarch *gdbarch; | |
d14508fe | 1180 | CORE_ADDR low, high, pc; |
2c02bd72 | 1181 | const char *name; |
d14508fe | 1182 | |
13274fc3 UW |
1183 | frame = get_selected_frame (_("No frame selected.")); |
1184 | gdbarch = get_frame_arch (frame); | |
9bf4bce9 | 1185 | pc = get_frame_address_in_block (frame); |
d14508fe DE |
1186 | if (find_pc_partial_function (pc, &name, &low, &high) == 0) |
1187 | error (_("No function contains program counter for selected frame.")); | |
1188 | #if defined(TUI) | |
1189 | /* NOTE: cagney/2003-02-13 The `tui_active' was previously | |
1190 | `tui_version'. */ | |
1191 | if (tui_active) | |
1192 | /* FIXME: cagney/2004-02-07: This should be an observer. */ | |
13274fc3 | 1193 | low = tui_get_low_disassembly_address (gdbarch, low, pc); |
d14508fe | 1194 | #endif |
13274fc3 | 1195 | low += gdbarch_deprecated_function_start_offset (gdbarch); |
d14508fe | 1196 | |
e6158f16 | 1197 | print_disassembly (gdbarch, name, low, high, flags); |
d14508fe DE |
1198 | } |
1199 | ||
1200 | /* Dump a specified section of assembly code. | |
1201 | ||
1202 | Usage: | |
6ff0ba5f | 1203 | disassemble [/mrs] |
d14508fe | 1204 | - dump the assembly code for the function of the current pc |
6ff0ba5f | 1205 | disassemble [/mrs] addr |
d14508fe | 1206 | - dump the assembly code for the function at ADDR |
6ff0ba5f DE |
1207 | disassemble [/mrs] low,high |
1208 | disassemble [/mrs] low,+length | |
53a71c06 | 1209 | - dump the assembly code in the range [LOW,HIGH), or [LOW,LOW+length) |
d14508fe | 1210 | |
6ff0ba5f DE |
1211 | A /m modifier will include source code with the assembly in a |
1212 | "source centric" view. This view lists only the file of the first insn, | |
1213 | even if other source files are involved (e.g., inlined functions), and | |
1214 | the output is in source order, even with optimized code. This view is | |
1215 | considered deprecated as it hasn't been useful in practice. | |
1216 | ||
1217 | A /r modifier will include raw instructions in hex with the assembly. | |
1218 | ||
1219 | A /s modifier will include source code with the assembly, like /m, with | |
1220 | two important differences: | |
1221 | 1) The output is still in pc address order. | |
1222 | 2) File names and contents for all relevant source files are displayed. */ | |
83c31e7d | 1223 | |
83c31e7d FN |
1224 | static void |
1225 | disassemble_command (char *arg, int from_tty) | |
1226 | { | |
13274fc3 | 1227 | struct gdbarch *gdbarch = get_current_arch (); |
83c31e7d | 1228 | CORE_ADDR low, high; |
2c02bd72 | 1229 | const char *name; |
d36fc00b | 1230 | CORE_ADDR pc; |
e6158f16 | 1231 | int flags; |
bbc13ae3 | 1232 | const char *p; |
83c31e7d | 1233 | |
bbc13ae3 | 1234 | p = arg; |
83c31e7d | 1235 | name = NULL; |
e6158f16 | 1236 | flags = 0; |
d14508fe | 1237 | |
bbc13ae3 | 1238 | if (p && *p == '/') |
83c31e7d | 1239 | { |
bbc13ae3 | 1240 | ++p; |
d14508fe | 1241 | |
bbc13ae3 | 1242 | if (*p == '\0') |
d14508fe DE |
1243 | error (_("Missing modifier.")); |
1244 | ||
bbc13ae3 | 1245 | while (*p && ! isspace (*p)) |
d14508fe | 1246 | { |
bbc13ae3 | 1247 | switch (*p++) |
d14508fe DE |
1248 | { |
1249 | case 'm': | |
6ff0ba5f | 1250 | flags |= DISASSEMBLY_SOURCE_DEPRECATED; |
e6158f16 HZ |
1251 | break; |
1252 | case 'r': | |
1253 | flags |= DISASSEMBLY_RAW_INSN; | |
d14508fe | 1254 | break; |
6ff0ba5f DE |
1255 | case 's': |
1256 | flags |= DISASSEMBLY_SOURCE; | |
1257 | break; | |
d14508fe DE |
1258 | default: |
1259 | error (_("Invalid disassembly modifier.")); | |
1260 | } | |
1261 | } | |
1262 | ||
bbc13ae3 | 1263 | p = skip_spaces_const (p); |
d14508fe DE |
1264 | } |
1265 | ||
6ff0ba5f DE |
1266 | if ((flags & (DISASSEMBLY_SOURCE_DEPRECATED | DISASSEMBLY_SOURCE)) |
1267 | == (DISASSEMBLY_SOURCE_DEPRECATED | DISASSEMBLY_SOURCE)) | |
1268 | error (_("Cannot specify both /m and /s.")); | |
1269 | ||
bbc13ae3 | 1270 | if (! p || ! *p) |
d14508fe | 1271 | { |
9c419145 | 1272 | flags |= DISASSEMBLY_OMIT_FNAME; |
e6158f16 | 1273 | disassemble_current_function (flags); |
d14508fe | 1274 | return; |
83c31e7d | 1275 | } |
d14508fe | 1276 | |
bbc13ae3 KS |
1277 | pc = value_as_address (parse_to_comma_and_eval (&p)); |
1278 | if (p[0] == ',') | |
1279 | ++p; | |
1280 | if (p[0] == '\0') | |
83c31e7d FN |
1281 | { |
1282 | /* One argument. */ | |
83c31e7d | 1283 | if (find_pc_partial_function (pc, &name, &low, &high) == 0) |
8a3fe4f8 | 1284 | error (_("No function contains specified address.")); |
83c31e7d | 1285 | #if defined(TUI) |
021e7609 AC |
1286 | /* NOTE: cagney/2003-02-13 The `tui_active' was previously |
1287 | `tui_version'. */ | |
22940a24 AC |
1288 | if (tui_active) |
1289 | /* FIXME: cagney/2004-02-07: This should be an observer. */ | |
13274fc3 | 1290 | low = tui_get_low_disassembly_address (gdbarch, low, pc); |
83c31e7d | 1291 | #endif |
13274fc3 | 1292 | low += gdbarch_deprecated_function_start_offset (gdbarch); |
9c419145 | 1293 | flags |= DISASSEMBLY_OMIT_FNAME; |
83c31e7d FN |
1294 | } |
1295 | else | |
1296 | { | |
1297 | /* Two arguments. */ | |
53a71c06 | 1298 | int incl_flag = 0; |
21a0512e | 1299 | low = pc; |
bbc13ae3 KS |
1300 | p = skip_spaces_const (p); |
1301 | if (p[0] == '+') | |
53a71c06 | 1302 | { |
bbc13ae3 | 1303 | ++p; |
53a71c06 CR |
1304 | incl_flag = 1; |
1305 | } | |
bbc13ae3 | 1306 | high = parse_and_eval_address (p); |
53a71c06 CR |
1307 | if (incl_flag) |
1308 | high += low; | |
83c31e7d FN |
1309 | } |
1310 | ||
e6158f16 | 1311 | print_disassembly (gdbarch, name, low, high, flags); |
83c31e7d FN |
1312 | } |
1313 | ||
d318976c FN |
1314 | static void |
1315 | make_command (char *arg, int from_tty) | |
1316 | { | |
d318976c | 1317 | if (arg == 0) |
be47f9e8 | 1318 | shell_escape ("make", from_tty); |
d318976c FN |
1319 | else |
1320 | { | |
be47f9e8 | 1321 | std::string cmd = std::string ("make ") + arg; |
d318976c | 1322 | |
be47f9e8 PA |
1323 | shell_escape (cmd.c_str (), from_tty); |
1324 | } | |
d318976c FN |
1325 | } |
1326 | ||
d318976c FN |
1327 | static void |
1328 | show_user (char *args, int from_tty) | |
1329 | { | |
1330 | struct cmd_list_element *c; | |
1331 | extern struct cmd_list_element *cmdlist; | |
1332 | ||
1333 | if (args) | |
1334 | { | |
6f937416 | 1335 | const char *comname = args; |
cdb27c12 | 1336 | |
adb483fe | 1337 | c = lookup_cmd (&comname, cmdlist, "", 0, 1); |
a9f116cb | 1338 | if (!cli_user_command_p (c)) |
8a3fe4f8 | 1339 | error (_("Not a user command.")); |
adb483fe | 1340 | show_user_1 (c, "", args, gdb_stdout); |
d318976c FN |
1341 | } |
1342 | else | |
1343 | { | |
1344 | for (c = cmdlist; c; c = c->next) | |
1345 | { | |
a9f116cb | 1346 | if (cli_user_command_p (c) || c->prefixlist != NULL) |
adb483fe | 1347 | show_user_1 (c, "", c->name, gdb_stdout); |
d318976c FN |
1348 | } |
1349 | } | |
1350 | } | |
1351 | ||
1352 | /* Search through names of commands and documentations for a certain | |
ebcd3b23 MS |
1353 | regular expression. */ |
1354 | ||
c419cfba | 1355 | static void |
d318976c FN |
1356 | apropos_command (char *searchstr, int from_tty) |
1357 | { | |
d318976c | 1358 | regex_t pattern; |
dc92e161 | 1359 | int code; |
cdb27c12 | 1360 | |
d318976c | 1361 | if (searchstr == NULL) |
f55af66d | 1362 | error (_("REGEXP string is empty")); |
d318976c | 1363 | |
dc92e161 TT |
1364 | code = regcomp (&pattern, searchstr, REG_ICASE); |
1365 | if (code == 0) | |
1366 | { | |
1367 | struct cleanup *cleanups; | |
1368 | ||
1369 | cleanups = make_regfree_cleanup (&pattern); | |
1370 | apropos_cmd (gdb_stdout, cmdlist, &pattern, ""); | |
1371 | do_cleanups (cleanups); | |
1372 | } | |
d318976c FN |
1373 | else |
1374 | { | |
dc92e161 TT |
1375 | char *err = get_regcomp_error (code, &pattern); |
1376 | ||
1377 | make_cleanup (xfree, err); | |
1378 | error (_("Error in regular expression: %s"), err); | |
d318976c | 1379 | } |
d318976c | 1380 | } |
5a56e9c5 DE |
1381 | |
1382 | /* Subroutine of alias_command to simplify it. | |
1383 | Return the first N elements of ARGV flattened back to a string | |
1384 | with a space separating each element. | |
1385 | ARGV may not be NULL. | |
1386 | This does not take care of quoting elements in case they contain spaces | |
1387 | on purpose. */ | |
1388 | ||
a97e29d2 TT |
1389 | static std::string |
1390 | argv_to_string (char **argv, int n) | |
5a56e9c5 DE |
1391 | { |
1392 | int i; | |
a97e29d2 | 1393 | std::string result; |
5a56e9c5 DE |
1394 | |
1395 | gdb_assert (argv != NULL); | |
1396 | gdb_assert (n >= 0 && n <= countargv (argv)); | |
1397 | ||
1398 | for (i = 0; i < n; ++i) | |
1399 | { | |
1400 | if (i > 0) | |
a97e29d2 TT |
1401 | result += " "; |
1402 | result += argv[i]; | |
5a56e9c5 DE |
1403 | } |
1404 | ||
1405 | return result; | |
1406 | } | |
1407 | ||
1408 | /* Subroutine of alias_command to simplify it. | |
1409 | Return TRUE if COMMAND exists, unambiguously. Otherwise FALSE. */ | |
1410 | ||
1411 | static int | |
6f937416 | 1412 | valid_command_p (const char *command) |
5a56e9c5 DE |
1413 | { |
1414 | struct cmd_list_element *c; | |
1415 | ||
1416 | c = lookup_cmd_1 (& command, cmdlist, NULL, 1); | |
1417 | ||
1418 | if (c == NULL || c == (struct cmd_list_element *) -1) | |
1419 | return FALSE; | |
1420 | ||
1421 | /* This is the slightly tricky part. | |
1422 | lookup_cmd_1 will return a pointer to the last part of COMMAND | |
1423 | to match, leaving COMMAND pointing at the remainder. */ | |
1424 | while (*command == ' ' || *command == '\t') | |
1425 | ++command; | |
1426 | return *command == '\0'; | |
1427 | } | |
1428 | ||
7f31862a PA |
1429 | /* Called when "alias" was incorrectly used. */ |
1430 | ||
1431 | static void | |
1432 | alias_usage_error (void) | |
1433 | { | |
1434 | error (_("Usage: alias [-a] [--] ALIAS = COMMAND")); | |
1435 | } | |
1436 | ||
5a56e9c5 DE |
1437 | /* Make an alias of an existing command. */ |
1438 | ||
1439 | static void | |
1440 | alias_command (char *args, int from_tty) | |
1441 | { | |
1442 | int i, alias_argc, command_argc; | |
1443 | int abbrev_flag = 0; | |
a97e29d2 TT |
1444 | char *args2, *equals; |
1445 | const char *alias, *command; | |
5a56e9c5 | 1446 | char **alias_argv, **command_argv; |
5b3fca71 | 1447 | struct cleanup *cleanup; |
5a56e9c5 DE |
1448 | |
1449 | if (args == NULL || strchr (args, '=') == NULL) | |
7f31862a | 1450 | alias_usage_error (); |
5a56e9c5 DE |
1451 | |
1452 | args2 = xstrdup (args); | |
5b3fca71 | 1453 | cleanup = make_cleanup (xfree, args2); |
5a56e9c5 DE |
1454 | equals = strchr (args2, '='); |
1455 | *equals = '\0'; | |
1456 | alias_argv = gdb_buildargv (args2); | |
1457 | make_cleanup_freeargv (alias_argv); | |
1458 | command_argv = gdb_buildargv (equals + 1); | |
1459 | make_cleanup_freeargv (command_argv); | |
1460 | ||
1461 | for (i = 0; alias_argv[i] != NULL; ) | |
1462 | { | |
1463 | if (strcmp (alias_argv[i], "-a") == 0) | |
1464 | { | |
1465 | ++alias_argv; | |
1466 | abbrev_flag = 1; | |
1467 | } | |
1468 | else if (strcmp (alias_argv[i], "--") == 0) | |
1469 | { | |
1470 | ++alias_argv; | |
1471 | break; | |
1472 | } | |
1473 | else | |
1474 | break; | |
1475 | } | |
1476 | ||
1477 | if (alias_argv[0] == NULL || command_argv[0] == NULL | |
1478 | || *alias_argv[0] == '\0' || *command_argv[0] == '\0') | |
7f31862a | 1479 | alias_usage_error (); |
5a56e9c5 DE |
1480 | |
1481 | for (i = 0; alias_argv[i] != NULL; ++i) | |
1482 | { | |
1483 | if (! valid_user_defined_cmd_name_p (alias_argv[i])) | |
1484 | { | |
1485 | if (i == 0) | |
1486 | error (_("Invalid command name: %s"), alias_argv[i]); | |
1487 | else | |
1488 | error (_("Invalid command element name: %s"), alias_argv[i]); | |
1489 | } | |
1490 | } | |
1491 | ||
1492 | alias_argc = countargv (alias_argv); | |
1493 | command_argc = countargv (command_argv); | |
1494 | ||
1495 | /* COMMAND must exist. | |
1496 | Reconstruct the command to remove any extraneous spaces, | |
1497 | for better error messages. */ | |
a97e29d2 TT |
1498 | std::string command_string (argv_to_string (command_argv, command_argc)); |
1499 | command = command_string.c_str (); | |
5a56e9c5 DE |
1500 | if (! valid_command_p (command)) |
1501 | error (_("Invalid command to alias to: %s"), command); | |
1502 | ||
1503 | /* ALIAS must not exist. */ | |
a97e29d2 TT |
1504 | std::string alias_string (argv_to_string (alias_argv, alias_argc)); |
1505 | alias = alias_string.c_str (); | |
5a56e9c5 DE |
1506 | if (valid_command_p (alias)) |
1507 | error (_("Alias already exists: %s"), alias); | |
1508 | ||
1509 | /* If ALIAS is one word, it is an alias for the entire COMMAND. | |
1510 | Example: alias spe = set print elements | |
1511 | ||
1512 | Otherwise ALIAS and COMMAND must have the same number of words, | |
1513 | and every word except the last must match; and the last word of | |
1514 | ALIAS is made an alias of the last word of COMMAND. | |
1515 | Example: alias set print elms = set pr elem | |
1516 | Note that unambiguous abbreviations are allowed. */ | |
1517 | ||
1518 | if (alias_argc == 1) | |
1519 | { | |
1520 | /* add_cmd requires *we* allocate space for name, hence the xstrdup. */ | |
1521 | add_com_alias (xstrdup (alias_argv[0]), command, class_alias, | |
1522 | abbrev_flag); | |
1523 | } | |
1524 | else | |
1525 | { | |
6f937416 | 1526 | const char *alias_prefix, *command_prefix; |
5a56e9c5 DE |
1527 | struct cmd_list_element *c_alias, *c_command; |
1528 | ||
1529 | if (alias_argc != command_argc) | |
1530 | error (_("Mismatched command length between ALIAS and COMMAND.")); | |
1531 | ||
1532 | /* Create copies of ALIAS and COMMAND without the last word, | |
1533 | and use that to verify the leading elements match. */ | |
a97e29d2 TT |
1534 | std::string alias_prefix_string (argv_to_string (alias_argv, |
1535 | alias_argc - 1)); | |
1536 | std::string command_prefix_string (argv_to_string (alias_argv, | |
1537 | command_argc - 1)); | |
1538 | alias_prefix = alias_prefix_string.c_str (); | |
1539 | command_prefix = command_prefix_string.c_str (); | |
5a56e9c5 DE |
1540 | |
1541 | c_command = lookup_cmd_1 (& command_prefix, cmdlist, NULL, 1); | |
1542 | /* We've already tried to look up COMMAND. */ | |
1543 | gdb_assert (c_command != NULL | |
1544 | && c_command != (struct cmd_list_element *) -1); | |
1545 | gdb_assert (c_command->prefixlist != NULL); | |
1546 | c_alias = lookup_cmd_1 (& alias_prefix, cmdlist, NULL, 1); | |
1547 | if (c_alias != c_command) | |
1548 | error (_("ALIAS and COMMAND prefixes do not match.")); | |
1549 | ||
1550 | /* add_cmd requires *we* allocate space for name, hence the xstrdup. */ | |
1551 | add_alias_cmd (xstrdup (alias_argv[alias_argc - 1]), | |
1552 | command_argv[command_argc - 1], | |
1553 | class_alias, abbrev_flag, c_command->prefixlist); | |
1554 | } | |
5b3fca71 TT |
1555 | |
1556 | do_cleanups (cleanup); | |
5a56e9c5 | 1557 | } |
d318976c | 1558 | \f |
0378c332 | 1559 | /* Print a list of files and line numbers which a user may choose from |
ebcd3b23 MS |
1560 | in order to list a function which was specified ambiguously (as |
1561 | with `list classname::overloadedfuncname', for example). The | |
1562 | vector in SALS provides the filenames and line numbers. */ | |
0378c332 FN |
1563 | |
1564 | static void | |
1565 | ambiguous_line_spec (struct symtabs_and_lines *sals) | |
1566 | { | |
1567 | int i; | |
1568 | ||
1569 | for (i = 0; i < sals->nelts; ++i) | |
a3f17187 | 1570 | printf_filtered (_("file: \"%s\", line number: %d\n"), |
05cba821 JK |
1571 | symtab_to_filename_for_display (sals->sals[i].symtab), |
1572 | sals->sals[i].line); | |
0378c332 FN |
1573 | } |
1574 | ||
f8eba3c6 TT |
1575 | /* Sort function for filter_sals. */ |
1576 | ||
1577 | static int | |
1578 | compare_symtabs (const void *a, const void *b) | |
1579 | { | |
9a3c8263 SM |
1580 | const struct symtab_and_line *sala = (const struct symtab_and_line *) a; |
1581 | const struct symtab_and_line *salb = (const struct symtab_and_line *) b; | |
ee6f8984 DE |
1582 | const char *dira = SYMTAB_DIRNAME (sala->symtab); |
1583 | const char *dirb = SYMTAB_DIRNAME (salb->symtab); | |
f8eba3c6 TT |
1584 | int r; |
1585 | ||
ee6f8984 | 1586 | if (dira == NULL) |
f8eba3c6 | 1587 | { |
ee6f8984 | 1588 | if (dirb != NULL) |
f8eba3c6 TT |
1589 | return -1; |
1590 | } | |
ee6f8984 | 1591 | else if (dirb == NULL) |
f8eba3c6 | 1592 | { |
ee6f8984 | 1593 | if (dira != NULL) |
f8eba3c6 TT |
1594 | return 1; |
1595 | } | |
1596 | else | |
1597 | { | |
ee6f8984 | 1598 | r = filename_cmp (dira, dirb); |
f8eba3c6 TT |
1599 | if (r) |
1600 | return r; | |
1601 | } | |
1602 | ||
1603 | r = filename_cmp (sala->symtab->filename, salb->symtab->filename); | |
1604 | if (r) | |
1605 | return r; | |
1606 | ||
1607 | if (sala->line < salb->line) | |
1608 | return -1; | |
1609 | return sala->line == salb->line ? 0 : 1; | |
1610 | } | |
1611 | ||
1612 | /* Remove any SALs that do not match the current program space, or | |
1613 | which appear to be "file:line" duplicates. */ | |
1614 | ||
1615 | static void | |
1616 | filter_sals (struct symtabs_and_lines *sals) | |
1617 | { | |
1618 | int i, out, prev; | |
1619 | ||
1620 | out = 0; | |
1621 | for (i = 0; i < sals->nelts; ++i) | |
1622 | { | |
1623 | if (sals->sals[i].pspace == current_program_space | |
ccbac09d | 1624 | && sals->sals[i].symtab != NULL) |
f8eba3c6 TT |
1625 | { |
1626 | sals->sals[out] = sals->sals[i]; | |
1627 | ++out; | |
1628 | } | |
1629 | } | |
1630 | sals->nelts = out; | |
1631 | ||
1632 | qsort (sals->sals, sals->nelts, sizeof (struct symtab_and_line), | |
1633 | compare_symtabs); | |
1634 | ||
1635 | out = 1; | |
1636 | prev = 0; | |
1637 | for (i = 1; i < sals->nelts; ++i) | |
1638 | { | |
1639 | if (compare_symtabs (&sals->sals[prev], &sals->sals[i])) | |
1640 | { | |
1641 | /* Symtabs differ. */ | |
1642 | sals->sals[out] = sals->sals[i]; | |
1643 | prev = out; | |
1644 | ++out; | |
1645 | } | |
1646 | } | |
f8eba3c6 TT |
1647 | |
1648 | if (sals->nelts == 0) | |
1649 | { | |
1650 | xfree (sals->sals); | |
1651 | sals->sals = NULL; | |
1652 | } | |
2f2e97fa TT |
1653 | else |
1654 | sals->nelts = out; | |
f8eba3c6 TT |
1655 | } |
1656 | ||
d318976c FN |
1657 | static void |
1658 | set_debug (char *arg, int from_tty) | |
1659 | { | |
9a2b4c1b MS |
1660 | printf_unfiltered (_("\"set debug\" must be followed by " |
1661 | "the name of a debug subcommand.\n")); | |
635c7e8a | 1662 | help_list (setdebuglist, "set debug ", all_commands, gdb_stdout); |
d318976c FN |
1663 | } |
1664 | ||
1665 | static void | |
1666 | show_debug (char *args, int from_tty) | |
1667 | { | |
1668 | cmd_show_list (showdebuglist, from_tty, ""); | |
1669 | } | |
1670 | ||
1671 | void | |
1672 | init_cmd_lists (void) | |
1673 | { | |
20f01a46 | 1674 | max_user_call_depth = 1024; |
d318976c FN |
1675 | } |
1676 | ||
920d2a44 AC |
1677 | static void |
1678 | show_info_verbose (struct ui_file *file, int from_tty, | |
1679 | struct cmd_list_element *c, | |
1680 | const char *value) | |
1681 | { | |
1682 | if (info_verbose) | |
9a2b4c1b MS |
1683 | fprintf_filtered (file, |
1684 | _("Verbose printing of informational messages is %s.\n"), | |
1685 | value); | |
920d2a44 AC |
1686 | else |
1687 | fprintf_filtered (file, _("Verbosity is %s.\n"), value); | |
1688 | } | |
1689 | ||
1690 | static void | |
1691 | show_history_expansion_p (struct ui_file *file, int from_tty, | |
1692 | struct cmd_list_element *c, const char *value) | |
1693 | { | |
1694 | fprintf_filtered (file, _("History expansion on command input is %s.\n"), | |
1695 | value); | |
1696 | } | |
1697 | ||
920d2a44 AC |
1698 | static void |
1699 | show_remote_debug (struct ui_file *file, int from_tty, | |
1700 | struct cmd_list_element *c, const char *value) | |
1701 | { | |
1702 | fprintf_filtered (file, _("Debugging of remote protocol is %s.\n"), | |
1703 | value); | |
1704 | } | |
1705 | ||
1706 | static void | |
1707 | show_remote_timeout (struct ui_file *file, int from_tty, | |
1708 | struct cmd_list_element *c, const char *value) | |
1709 | { | |
9a2b4c1b MS |
1710 | fprintf_filtered (file, |
1711 | _("Timeout limit to wait for target to respond is %s.\n"), | |
920d2a44 AC |
1712 | value); |
1713 | } | |
1714 | ||
1715 | static void | |
1716 | show_max_user_call_depth (struct ui_file *file, int from_tty, | |
1717 | struct cmd_list_element *c, const char *value) | |
1718 | { | |
9a2b4c1b MS |
1719 | fprintf_filtered (file, |
1720 | _("The max call depth for user-defined commands is %s.\n"), | |
920d2a44 AC |
1721 | value); |
1722 | } | |
1723 | ||
d318976c | 1724 | \f |
43e4916f TT |
1725 | |
1726 | initialize_file_ftype _initialize_cli_cmds; | |
1727 | ||
d318976c | 1728 | void |
43e4916f | 1729 | _initialize_cli_cmds (void) |
d318976c FN |
1730 | { |
1731 | struct cmd_list_element *c; | |
1732 | ||
1733 | /* Define the classes of commands. | |
1bfeeb0f | 1734 | They will appear in the help list in alphabetical order. */ |
d318976c | 1735 | |
1a966eab AC |
1736 | add_cmd ("internals", class_maintenance, NULL, _("\ |
1737 | Maintenance commands.\n\ | |
d318976c FN |
1738 | Some gdb commands are provided just for use by gdb maintainers.\n\ |
1739 | These commands are subject to frequent change, and may not be as\n\ | |
1a966eab | 1740 | well documented as user commands."), |
d318976c | 1741 | &cmdlist); |
1a966eab | 1742 | add_cmd ("obscure", class_obscure, NULL, _("Obscure features."), &cmdlist); |
9a2b4c1b MS |
1743 | add_cmd ("aliases", class_alias, NULL, |
1744 | _("Aliases of other commands."), &cmdlist); | |
1a966eab AC |
1745 | add_cmd ("user-defined", class_user, NULL, _("\ |
1746 | User-defined commands.\n\ | |
d318976c | 1747 | The commands in this class are those defined by the user.\n\ |
1a966eab AC |
1748 | Use the \"define\" command to define a command."), &cmdlist); |
1749 | add_cmd ("support", class_support, NULL, _("Support facilities."), &cmdlist); | |
d318976c | 1750 | if (!dbx_commands) |
1a966eab AC |
1751 | add_cmd ("status", class_info, NULL, _("Status inquiries."), &cmdlist); |
1752 | add_cmd ("files", class_files, NULL, _("Specifying and examining files."), | |
1753 | &cmdlist); | |
1754 | add_cmd ("breakpoints", class_breakpoint, NULL, | |
1755 | _("Making program stop at certain points."), &cmdlist); | |
1756 | add_cmd ("data", class_vars, NULL, _("Examining data."), &cmdlist); | |
1757 | add_cmd ("stack", class_stack, NULL, _("\ | |
1758 | Examining the stack.\n\ | |
d318976c FN |
1759 | The stack is made up of stack frames. Gdb assigns numbers to stack frames\n\ |
1760 | counting from zero for the innermost (currently executing) frame.\n\n\ | |
1761 | At any time gdb identifies one frame as the \"selected\" frame.\n\ | |
1762 | Variable lookups are done with respect to the selected frame.\n\ | |
1763 | When the program being debugged stops, gdb selects the innermost frame.\n\ | |
1a966eab | 1764 | The commands below can be used to select other frames by number or address."), |
d318976c | 1765 | &cmdlist); |
1a966eab | 1766 | add_cmd ("running", class_run, NULL, _("Running the program."), &cmdlist); |
d318976c | 1767 | |
ebcd3b23 | 1768 | /* Define general commands. */ |
d318976c | 1769 | |
d729566a | 1770 | add_com ("pwd", class_files, pwd_command, _("\ |
1bedd215 | 1771 | Print working directory. This is used for your program as well.")); |
4f8d22e3 | 1772 | |
1a966eab AC |
1773 | c = add_cmd ("cd", class_files, cd_command, _("\ |
1774 | Set working directory to DIR for debugger and program being debugged.\n\ | |
d318976c | 1775 | The change does not take effect for the program being debugged\n\ |
1a966eab | 1776 | until the next time it is started."), &cmdlist); |
5ba2abeb | 1777 | set_cmd_completer (c, filename_completer); |
d318976c | 1778 | |
1bedd215 AC |
1779 | add_com ("echo", class_support, echo_command, _("\ |
1780 | Print a constant string. Give string as argument.\n\ | |
d318976c FN |
1781 | C escape sequences may be used in the argument.\n\ |
1782 | No newline is added at the end of the argument;\n\ | |
1783 | use \"\\n\" if you want a newline to be printed.\n\ | |
1784 | Since leading and trailing whitespace are ignored in command arguments,\n\ | |
1785 | if you want to print some you must use \"\\\" before leading whitespace\n\ | |
1bedd215 | 1786 | to be printed or after trailing whitespace.")); |
d318976c | 1787 | |
973817a3 JB |
1788 | add_setshow_enum_cmd ("script-extension", class_support, |
1789 | script_ext_enums, &script_ext_mode, _("\ | |
1790 | Set mode for script filename extension recognition."), _("\ | |
1791 | Show mode for script filename extension recognition."), _("\ | |
1792 | off == no filename extension recognition (all sourced files are GDB scripts)\n\ | |
1793 | soft == evaluate script according to filename extension, fallback to GDB script" | |
1794 | "\n\ | |
1795 | strict == evaluate script according to filename extension, error if not supported" | |
1796 | ), | |
1797 | NULL, | |
1798 | show_script_ext_mode, | |
1799 | &setlist, &showlist); | |
1800 | ||
bdb52a22 TT |
1801 | add_com ("quit", class_support, quit_command, _("\ |
1802 | Exit gdb.\n\ | |
1803 | Usage: quit [EXPR]\n\ | |
1804 | The optional expression EXPR, if present, is evaluated and the result\n\ | |
1805 | used as GDB's exit code. The default is zero.")); | |
1bedd215 AC |
1806 | c = add_com ("help", class_support, help_command, |
1807 | _("Print list of commands.")); | |
5ba2abeb | 1808 | set_cmd_completer (c, command_completer); |
d318976c FN |
1809 | add_com_alias ("q", "quit", class_support, 1); |
1810 | add_com_alias ("h", "help", class_support, 1); | |
1811 | ||
5bf193a2 AC |
1812 | add_setshow_boolean_cmd ("verbose", class_support, &info_verbose, _("\ |
1813 | Set verbosity."), _("\ | |
1814 | Show verbosity."), NULL, | |
1815 | set_verbose, | |
920d2a44 | 1816 | show_info_verbose, |
5bf193a2 | 1817 | &setlist, &showlist); |
d318976c FN |
1818 | |
1819 | add_prefix_cmd ("history", class_support, set_history, | |
1bedd215 | 1820 | _("Generic command for setting command history parameters."), |
d318976c FN |
1821 | &sethistlist, "set history ", 0, &setlist); |
1822 | add_prefix_cmd ("history", class_support, show_history, | |
1bedd215 | 1823 | _("Generic command for showing command history parameters."), |
d318976c FN |
1824 | &showhistlist, "show history ", 0, &showlist); |
1825 | ||
5bf193a2 AC |
1826 | add_setshow_boolean_cmd ("expansion", no_class, &history_expansion_p, _("\ |
1827 | Set history expansion on command input."), _("\ | |
1828 | Show history expansion on command input."), _("\ | |
1829 | Without an argument, history expansion is enabled."), | |
1830 | NULL, | |
920d2a44 | 1831 | show_history_expansion_p, |
5bf193a2 | 1832 | &sethistlist, &showhistlist); |
d318976c | 1833 | |
d729566a | 1834 | add_prefix_cmd ("info", class_info, info_command, _("\ |
1bedd215 | 1835 | Generic command for showing things about the program being debugged."), |
d729566a | 1836 | &infolist, "info ", 0, &cmdlist); |
d318976c | 1837 | add_com_alias ("i", "info", class_info, 1); |
a177aad3 | 1838 | add_com_alias ("inf", "info", class_info, 1); |
d318976c FN |
1839 | |
1840 | add_com ("complete", class_obscure, complete_command, | |
1bedd215 | 1841 | _("List the completions for the rest of the line as a command.")); |
d318976c | 1842 | |
d729566a | 1843 | add_prefix_cmd ("show", class_info, show_command, _("\ |
700b53b1 | 1844 | Generic command for showing things about the debugger."), |
d729566a | 1845 | &showlist, "show ", 0, &cmdlist); |
d318976c | 1846 | /* Another way to get at the same thing. */ |
1bedd215 | 1847 | add_info ("set", show_command, _("Show all GDB settings.")); |
d318976c | 1848 | |
db5f229b | 1849 | add_cmd ("commands", no_set_class, show_commands, _("\ |
1a966eab | 1850 | Show the history of commands you typed.\n\ |
d318976c | 1851 | You can supply a command number to start with, or a `+' to start after\n\ |
1a966eab | 1852 | the previous command number shown."), |
d318976c FN |
1853 | &showlist); |
1854 | ||
db5f229b | 1855 | add_cmd ("version", no_set_class, show_version, |
1a966eab | 1856 | _("Show what version of GDB this is."), &showlist); |
d318976c | 1857 | |
6eaaf48b EZ |
1858 | add_cmd ("configuration", no_set_class, show_configuration, |
1859 | _("Show how GDB was configured at build time."), &showlist); | |
1860 | ||
85c07804 AC |
1861 | add_setshow_zinteger_cmd ("remote", no_class, &remote_debug, _("\ |
1862 | Set debugging of remote protocol."), _("\ | |
1863 | Show debugging of remote protocol."), _("\ | |
d318976c | 1864 | When enabled, each packet sent or received with the remote target\n\ |
85c07804 AC |
1865 | is displayed."), |
1866 | NULL, | |
920d2a44 | 1867 | show_remote_debug, |
85c07804 | 1868 | &setdebuglist, &showdebuglist); |
d318976c | 1869 | |
6fc1c773 YQ |
1870 | add_setshow_zuinteger_unlimited_cmd ("remotetimeout", no_class, |
1871 | &remote_timeout, _("\ | |
c0d88b1b AC |
1872 | Set timeout limit to wait for target to respond."), _("\ |
1873 | Show timeout limit to wait for target to respond."), _("\ | |
d318976c | 1874 | This value is used to set the time limit for gdb to wait for a response\n\ |
c0d88b1b | 1875 | from the target."), |
6fc1c773 YQ |
1876 | NULL, |
1877 | show_remote_timeout, | |
1878 | &setlist, &showlist); | |
d318976c FN |
1879 | |
1880 | add_prefix_cmd ("debug", no_class, set_debug, | |
1bedd215 | 1881 | _("Generic command for setting gdb debugging flags"), |
d318976c FN |
1882 | &setdebuglist, "set debug ", 0, &setlist); |
1883 | ||
1884 | add_prefix_cmd ("debug", no_class, show_debug, | |
1bedd215 | 1885 | _("Generic command for showing gdb debugging flags"), |
d318976c FN |
1886 | &showdebuglist, "show debug ", 0, &showlist); |
1887 | ||
be47f9e8 | 1888 | c = add_com ("shell", class_support, shell_command, _("\ |
1bedd215 AC |
1889 | Execute the rest of the line as a shell command.\n\ |
1890 | With no arguments, run an inferior shell.")); | |
5ba2abeb | 1891 | set_cmd_completer (c, filename_completer); |
d318976c | 1892 | |
1bedd215 AC |
1893 | c = add_com ("edit", class_files, edit_command, _("\ |
1894 | Edit specified file or function.\n\ | |
0378c332 | 1895 | With no argument, edits file containing most recent line listed.\n\ |
0378c332 FN |
1896 | Editing targets can be specified in these ways:\n\ |
1897 | FILE:LINENUM, to edit at that line in that file,\n\ | |
1898 | FUNCTION, to edit at the beginning of that function,\n\ | |
1899 | FILE:FUNCTION, to distinguish among like-named static functions.\n\ | |
1900 | *ADDRESS, to edit at the line containing that address.\n\ | |
1bedd215 | 1901 | Uses EDITOR environment variable contents as editor (or ex as default).")); |
0378c332 FN |
1902 | |
1903 | c->completer = location_completer; | |
1904 | ||
1bedd215 AC |
1905 | add_com ("list", class_files, list_command, _("\ |
1906 | List specified function or line.\n\ | |
0378c332 FN |
1907 | With no argument, lists ten more lines after or around previous listing.\n\ |
1908 | \"list -\" lists the ten lines before a previous ten-line listing.\n\ | |
1909 | One argument specifies a line, and ten lines are listed around that line.\n\ | |
1910 | Two arguments with comma between specify starting and ending lines to list.\n\ | |
0378c332 FN |
1911 | Lines can be specified in these ways:\n\ |
1912 | LINENUM, to list around that line in current file,\n\ | |
1913 | FILE:LINENUM, to list around that line in that file,\n\ | |
1914 | FUNCTION, to list around beginning of that function,\n\ | |
1915 | FILE:FUNCTION, to distinguish among like-named static functions.\n\ | |
1916 | *ADDRESS, to list around the line containing that address.\n\ | |
4fdd372d AB |
1917 | With two args, if one is empty, it stands for ten lines away from\n\ |
1918 | the other arg.\n\ | |
1919 | \n\ | |
1920 | By default, when a single location is given, display ten lines.\n\ | |
1921 | This can be changed using \"set listsize\", and the current value\n\ | |
1922 | can be shown using \"show listsize\".")); | |
0378c332 | 1923 | |
4f45d445 | 1924 | add_com_alias ("l", "list", class_files, 1); |
0378c332 FN |
1925 | |
1926 | if (dbx_commands) | |
1927 | add_com_alias ("file", "list", class_files, 1); | |
1928 | ||
1bedd215 AC |
1929 | c = add_com ("disassemble", class_vars, disassemble_command, _("\ |
1930 | Disassemble a specified section of memory.\n\ | |
83c31e7d | 1931 | Default is the function surrounding the pc of the selected frame.\n\ |
6ff0ba5f | 1932 | \n\ |
d14508fe | 1933 | With a /m modifier, source lines are included (if available).\n\ |
6ff0ba5f DE |
1934 | This view is \"source centric\": the output is in source line order,\n\ |
1935 | regardless of any optimization that is present. Only the main source file\n\ | |
1936 | is displayed, not those of, e.g., any inlined functions.\n\ | |
1937 | This modifier hasn't proved useful in practice and is deprecated\n\ | |
1938 | in favor of /s.\n\ | |
1939 | \n\ | |
1940 | With a /s modifier, source lines are included (if available).\n\ | |
1941 | This differs from /m in two important respects:\n\ | |
1942 | - the output is still in pc address order, and\n\ | |
1943 | - file names and contents for all relevant source files are displayed.\n\ | |
1944 | \n\ | |
e6158f16 | 1945 | With a /r modifier, raw instructions in hex are included.\n\ |
6ff0ba5f | 1946 | \n\ |
83c31e7d | 1947 | With a single argument, the function surrounding that address is dumped.\n\ |
53a71c06 | 1948 | Two arguments (separated by a comma) are taken as a range of memory to dump,\n\ |
7e1e0340 DE |
1949 | in the form of \"start,end\", or \"start,+length\".\n\ |
1950 | \n\ | |
1951 | Note that the address is interpreted as an expression, not as a location\n\ | |
1952 | like in the \"break\" command.\n\ | |
1953 | So, for example, if you want to disassemble function bar in file foo.c\n\ | |
1954 | you must type \"disassemble 'foo.c'::bar\" and not \"disassemble foo.c:bar\".")); | |
83c31e7d | 1955 | set_cmd_completer (c, location_completer); |
0378c332 | 1956 | |
ed59ded5 | 1957 | add_com_alias ("!", "shell", class_support, 0); |
d318976c | 1958 | |
1bedd215 AC |
1959 | c = add_com ("make", class_support, make_command, _("\ |
1960 | Run the ``make'' program using the rest of the line as arguments.")); | |
5ba2abeb | 1961 | set_cmd_completer (c, filename_completer); |
1a966eab | 1962 | add_cmd ("user", no_class, show_user, _("\ |
ed3ef339 | 1963 | Show definitions of non-python/scheme user defined commands.\n\ |
d318976c | 1964 | Argument is the name of the user defined command.\n\ |
1a966eab | 1965 | With no argument, show definitions of all user defined commands."), &showlist); |
1bedd215 AC |
1966 | add_com ("apropos", class_support, apropos_command, |
1967 | _("Search for commands matching a REGEXP")); | |
20f01a46 | 1968 | |
883b9c6c | 1969 | add_setshow_uinteger_cmd ("max-user-call-depth", no_class, |
c0d88b1b | 1970 | &max_user_call_depth, _("\ |
ed3ef339 DE |
1971 | Set the max call depth for non-python/scheme user-defined commands."), _("\ |
1972 | Show the max call depth for non-python/scheme user-defined commands."), NULL, | |
883b9c6c YQ |
1973 | NULL, |
1974 | show_max_user_call_depth, | |
1975 | &setlist, &showlist); | |
16026cd7 AS |
1976 | |
1977 | add_setshow_boolean_cmd ("trace-commands", no_class, &trace_commands, _("\ | |
1978 | Set tracing of GDB CLI commands."), _("\ | |
1979 | Show state of GDB CLI command tracing."), _("\ | |
1980 | When 'on', each command is displayed as it is executed."), | |
1981 | NULL, | |
1982 | NULL, | |
1983 | &setlist, &showlist); | |
5a56e9c5 DE |
1984 | |
1985 | c = add_com ("alias", class_support, alias_command, _("\ | |
1986 | Define a new command that is an alias of an existing command.\n\ | |
1987 | Usage: alias [-a] [--] ALIAS = COMMAND\n\ | |
1988 | ALIAS is the name of the alias command to create.\n\ | |
1989 | COMMAND is the command being aliased to.\n\ | |
1990 | If \"-a\" is specified, the command is an abbreviation,\n\ | |
1991 | and will not appear in help command list output.\n\ | |
1992 | \n\ | |
1993 | Examples:\n\ | |
1994 | Make \"spe\" an alias of \"set print elements\":\n\ | |
1995 | alias spe = set print elements\n\ | |
1996 | Make \"elms\" an alias of \"elements\" in the \"set print\" command:\n\ | |
1997 | alias -a set print elms = set print elements")); | |
d318976c | 1998 | } |
43e4916f TT |
1999 | |
2000 | void | |
2001 | init_cli_cmds (void) | |
2002 | { | |
2003 | struct cmd_list_element *c; | |
2004 | char *source_help_text; | |
2005 | ||
2006 | source_help_text = xstrprintf (_("\ | |
2007 | Read commands from a file named FILE.\n\ | |
2008 | \n\ | |
2009 | Usage: source [-s] [-v] FILE\n\ | |
2010 | -s: search for the script in the source search path,\n\ | |
2011 | even if FILE contains directories.\n\ | |
2012 | -v: each command in FILE is echoed as it is executed.\n\ | |
2013 | \n\ | |
2014 | Note that the file \"%s\" is read automatically in this way\n\ | |
2015 | when GDB is started."), gdbinit); | |
2016 | c = add_cmd ("source", class_support, source_command, | |
2017 | source_help_text, &cmdlist); | |
2018 | set_cmd_completer (c, filename_completer); | |
2019 | } |