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1 | /* GDB CLI commands. | |
2 | ||
3 | Copyright (C) 2000, 2001, 2002, 2003, 2004, 2005, 2007, 2008, 2009 | |
4 | Free Software Foundation, Inc. | |
5 | ||
6 | This file is part of GDB. | |
7 | ||
8 | This program is free software; you can redistribute it and/or modify | |
9 | it under the terms of the GNU General Public License as published by | |
10 | the Free Software Foundation; either version 3 of the License, or | |
11 | (at your option) any later version. | |
12 | ||
13 | This program is distributed in the hope that it will be useful, | |
14 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | GNU General Public License for more details. | |
17 | ||
18 | You should have received a copy of the GNU General Public License | |
19 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ | |
20 | ||
21 | #include "defs.h" | |
22 | #include "arch-utils.h" | |
23 | #include "readline/readline.h" | |
24 | #include "readline/tilde.h" | |
25 | #include "completer.h" | |
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 */ | |
29 | #include "gdb_string.h" | |
30 | #include "gdb_vfork.h" | |
31 | #include "linespec.h" | |
32 | #include "expression.h" | |
33 | #include "frame.h" | |
34 | #include "value.h" | |
35 | #include "language.h" | |
36 | #include "filenames.h" /* for DOSish file names */ | |
37 | #include "objfiles.h" | |
38 | #include "source.h" | |
39 | #include "disasm.h" | |
40 | ||
41 | #include "ui-out.h" | |
42 | ||
43 | #include "top.h" | |
44 | #include "cli/cli-decode.h" | |
45 | #include "cli/cli-script.h" | |
46 | #include "cli/cli-setshow.h" | |
47 | #include "cli/cli-cmds.h" | |
48 | ||
49 | #ifdef TUI | |
50 | #include "tui/tui.h" /* For tui_active et.al. */ | |
51 | #endif | |
52 | ||
53 | #include <fcntl.h> | |
54 | ||
55 | /* Prototypes for local command functions */ | |
56 | ||
57 | static void complete_command (char *, int); | |
58 | ||
59 | static void echo_command (char *, int); | |
60 | ||
61 | static void pwd_command (char *, int); | |
62 | ||
63 | static void show_version (char *, int); | |
64 | ||
65 | static void help_command (char *, int); | |
66 | ||
67 | static void show_command (char *, int); | |
68 | ||
69 | static void info_command (char *, int); | |
70 | ||
71 | static void show_debug (char *, int); | |
72 | ||
73 | static void set_debug (char *, int); | |
74 | ||
75 | static void show_user (char *, int); | |
76 | ||
77 | static void make_command (char *, int); | |
78 | ||
79 | static void shell_escape (char *, int); | |
80 | ||
81 | static void edit_command (char *, int); | |
82 | ||
83 | static void list_command (char *, int); | |
84 | ||
85 | void apropos_command (char *, int); | |
86 | ||
87 | /* Prototypes for local utility functions */ | |
88 | ||
89 | static void ambiguous_line_spec (struct symtabs_and_lines *); | |
90 | \f | |
91 | /* Limit the call depth of user-defined commands */ | |
92 | int max_user_call_depth; | |
93 | ||
94 | /* Define all cmd_list_elements. */ | |
95 | ||
96 | /* Chain containing all defined commands. */ | |
97 | ||
98 | struct cmd_list_element *cmdlist; | |
99 | ||
100 | /* Chain containing all defined info subcommands. */ | |
101 | ||
102 | struct cmd_list_element *infolist; | |
103 | ||
104 | /* Chain containing all defined enable subcommands. */ | |
105 | ||
106 | struct cmd_list_element *enablelist; | |
107 | ||
108 | /* Chain containing all defined disable subcommands. */ | |
109 | ||
110 | struct cmd_list_element *disablelist; | |
111 | ||
112 | /* Chain containing all defined toggle subcommands. */ | |
113 | ||
114 | struct cmd_list_element *togglelist; | |
115 | ||
116 | /* Chain containing all defined stop subcommands. */ | |
117 | ||
118 | struct cmd_list_element *stoplist; | |
119 | ||
120 | /* Chain containing all defined delete subcommands. */ | |
121 | ||
122 | struct cmd_list_element *deletelist; | |
123 | ||
124 | /* Chain containing all defined detach subcommands. */ | |
125 | ||
126 | struct cmd_list_element *detachlist; | |
127 | ||
128 | /* Chain containing all defined kill subcommands. */ | |
129 | ||
130 | struct cmd_list_element *killlist; | |
131 | ||
132 | /* Chain containing all defined "enable breakpoint" subcommands. */ | |
133 | ||
134 | struct cmd_list_element *enablebreaklist; | |
135 | ||
136 | /* Chain containing all defined set subcommands */ | |
137 | ||
138 | struct cmd_list_element *setlist; | |
139 | ||
140 | /* Chain containing all defined unset subcommands */ | |
141 | ||
142 | struct cmd_list_element *unsetlist; | |
143 | ||
144 | /* Chain containing all defined show subcommands. */ | |
145 | ||
146 | struct cmd_list_element *showlist; | |
147 | ||
148 | /* Chain containing all defined \"set history\". */ | |
149 | ||
150 | struct cmd_list_element *sethistlist; | |
151 | ||
152 | /* Chain containing all defined \"show history\". */ | |
153 | ||
154 | struct cmd_list_element *showhistlist; | |
155 | ||
156 | /* Chain containing all defined \"unset history\". */ | |
157 | ||
158 | struct cmd_list_element *unsethistlist; | |
159 | ||
160 | /* Chain containing all defined maintenance subcommands. */ | |
161 | ||
162 | struct cmd_list_element *maintenancelist; | |
163 | ||
164 | /* Chain containing all defined "maintenance info" subcommands. */ | |
165 | ||
166 | struct cmd_list_element *maintenanceinfolist; | |
167 | ||
168 | /* Chain containing all defined "maintenance print" subcommands. */ | |
169 | ||
170 | struct cmd_list_element *maintenanceprintlist; | |
171 | ||
172 | struct cmd_list_element *setprintlist; | |
173 | ||
174 | struct cmd_list_element *showprintlist; | |
175 | ||
176 | struct cmd_list_element *setdebuglist; | |
177 | ||
178 | struct cmd_list_element *showdebuglist; | |
179 | ||
180 | struct cmd_list_element *setchecklist; | |
181 | ||
182 | struct cmd_list_element *showchecklist; | |
183 | ||
184 | /* Command tracing state. */ | |
185 | ||
186 | int source_verbose = 0; | |
187 | int trace_commands = 0; | |
188 | \f | |
189 | /* Utility used everywhere when at least one argument is needed and | |
190 | none is supplied. */ | |
191 | ||
192 | void | |
193 | error_no_arg (char *why) | |
194 | { | |
195 | error (_("Argument required (%s)."), why); | |
196 | } | |
197 | ||
198 | /* The "info" command is defined as a prefix, with allow_unknown = 0. | |
199 | Therefore, its own definition is called only for "info" with no args. */ | |
200 | ||
201 | static void | |
202 | info_command (char *arg, int from_tty) | |
203 | { | |
204 | printf_unfiltered (_("\"info\" must be followed by the name of an info command.\n")); | |
205 | help_list (infolist, "info ", -1, gdb_stdout); | |
206 | } | |
207 | ||
208 | /* The "show" command with no arguments shows all the settings. */ | |
209 | ||
210 | static void | |
211 | show_command (char *arg, int from_tty) | |
212 | { | |
213 | cmd_show_list (showlist, from_tty, ""); | |
214 | } | |
215 | \f | |
216 | /* Provide documentation on command or list given by COMMAND. FROM_TTY | |
217 | is ignored. */ | |
218 | ||
219 | static void | |
220 | help_command (char *command, int from_tty) | |
221 | { | |
222 | help_cmd (command, gdb_stdout); | |
223 | } | |
224 | \f | |
225 | /* String compare function for qsort. */ | |
226 | static int | |
227 | compare_strings (const void *arg1, const void *arg2) | |
228 | { | |
229 | const char **s1 = (const char **) arg1; | |
230 | const char **s2 = (const char **) arg2; | |
231 | return strcmp (*s1, *s2); | |
232 | } | |
233 | ||
234 | /* The "complete" command is used by Emacs to implement completion. */ | |
235 | ||
236 | static void | |
237 | complete_command (char *arg, int from_tty) | |
238 | { | |
239 | int i; | |
240 | int argpoint; | |
241 | char **completions, *point, *arg_prefix; | |
242 | ||
243 | dont_repeat (); | |
244 | ||
245 | if (arg == NULL) | |
246 | arg = ""; | |
247 | argpoint = strlen (arg); | |
248 | ||
249 | /* complete_line assumes that its first argument is somewhere within, | |
250 | and except for filenames at the beginning of, the word to be completed. | |
251 | The following crude imitation of readline's word-breaking tries to | |
252 | accomodate this. */ | |
253 | point = arg + argpoint; | |
254 | while (point > arg) | |
255 | { | |
256 | if (strchr (rl_completer_word_break_characters, point[-1]) != 0) | |
257 | break; | |
258 | point--; | |
259 | } | |
260 | ||
261 | arg_prefix = alloca (point - arg + 1); | |
262 | memcpy (arg_prefix, arg, point - arg); | |
263 | arg_prefix[point - arg] = 0; | |
264 | ||
265 | completions = complete_line (point, arg, argpoint); | |
266 | ||
267 | if (completions) | |
268 | { | |
269 | int item, size; | |
270 | ||
271 | for (size = 0; completions[size]; ++size) | |
272 | ; | |
273 | qsort (completions, size, sizeof (char *), compare_strings); | |
274 | ||
275 | /* We do extra processing here since we only want to print each | |
276 | unique item once. */ | |
277 | item = 0; | |
278 | while (item < size) | |
279 | { | |
280 | int next_item; | |
281 | printf_unfiltered ("%s%s\n", arg_prefix, completions[item]); | |
282 | next_item = item + 1; | |
283 | while (next_item < size | |
284 | && ! strcmp (completions[item], completions[next_item])) | |
285 | { | |
286 | xfree (completions[next_item]); | |
287 | ++next_item; | |
288 | } | |
289 | ||
290 | xfree (completions[item]); | |
291 | item = next_item; | |
292 | } | |
293 | ||
294 | xfree (completions); | |
295 | } | |
296 | } | |
297 | ||
298 | int | |
299 | is_complete_command (struct cmd_list_element *c) | |
300 | { | |
301 | return cmd_cfunc_eq (c, complete_command); | |
302 | } | |
303 | ||
304 | static void | |
305 | show_version (char *args, int from_tty) | |
306 | { | |
307 | immediate_quit++; | |
308 | print_gdb_version (gdb_stdout); | |
309 | printf_filtered ("\n"); | |
310 | immediate_quit--; | |
311 | } | |
312 | ||
313 | /* Handle the quit command. */ | |
314 | ||
315 | void | |
316 | quit_command (char *args, int from_tty) | |
317 | { | |
318 | if (!quit_confirm ()) | |
319 | error (_("Not confirmed.")); | |
320 | quit_force (args, from_tty); | |
321 | } | |
322 | ||
323 | static void | |
324 | pwd_command (char *args, int from_tty) | |
325 | { | |
326 | if (args) | |
327 | error (_("The \"pwd\" command does not take an argument: %s"), args); | |
328 | if (! getcwd (gdb_dirbuf, sizeof (gdb_dirbuf))) | |
329 | error (_("Error finding name of working directory: %s"), | |
330 | safe_strerror (errno)); | |
331 | ||
332 | if (strcmp (gdb_dirbuf, current_directory) != 0) | |
333 | printf_unfiltered (_("Working directory %s\n (canonically %s).\n"), | |
334 | current_directory, gdb_dirbuf); | |
335 | else | |
336 | printf_unfiltered (_("Working directory %s.\n"), current_directory); | |
337 | } | |
338 | ||
339 | void | |
340 | cd_command (char *dir, int from_tty) | |
341 | { | |
342 | int len; | |
343 | /* Found something other than leading repetitions of "/..". */ | |
344 | int found_real_path; | |
345 | char *p; | |
346 | ||
347 | /* If the new directory is absolute, repeat is a no-op; if relative, | |
348 | repeat might be useful but is more likely to be a mistake. */ | |
349 | dont_repeat (); | |
350 | ||
351 | if (dir == 0) | |
352 | error_no_arg (_("new working directory")); | |
353 | ||
354 | dir = tilde_expand (dir); | |
355 | make_cleanup (xfree, dir); | |
356 | ||
357 | if (chdir (dir) < 0) | |
358 | perror_with_name (dir); | |
359 | ||
360 | #ifdef HAVE_DOS_BASED_FILE_SYSTEM | |
361 | /* There's too much mess with DOSish names like "d:", "d:.", | |
362 | "d:./foo" etc. Instead of having lots of special #ifdef'ed code, | |
363 | simply get the canonicalized name of the current directory. */ | |
364 | dir = getcwd (gdb_dirbuf, sizeof (gdb_dirbuf)); | |
365 | #endif | |
366 | ||
367 | len = strlen (dir); | |
368 | if (IS_DIR_SEPARATOR (dir[len - 1])) | |
369 | { | |
370 | /* Remove the trailing slash unless this is a root directory | |
371 | (including a drive letter on non-Unix systems). */ | |
372 | if (!(len == 1) /* "/" */ | |
373 | #ifdef HAVE_DOS_BASED_FILE_SYSTEM | |
374 | && !(len == 3 && dir[1] == ':') /* "d:/" */ | |
375 | #endif | |
376 | ) | |
377 | len--; | |
378 | } | |
379 | ||
380 | dir = savestring (dir, len); | |
381 | if (IS_ABSOLUTE_PATH (dir)) | |
382 | current_directory = dir; | |
383 | else | |
384 | { | |
385 | if (IS_DIR_SEPARATOR (current_directory[strlen (current_directory) - 1])) | |
386 | current_directory = concat (current_directory, dir, (char *)NULL); | |
387 | else | |
388 | current_directory = concat (current_directory, SLASH_STRING, | |
389 | dir, (char *)NULL); | |
390 | xfree (dir); | |
391 | } | |
392 | ||
393 | /* Now simplify any occurrences of `.' and `..' in the pathname. */ | |
394 | ||
395 | found_real_path = 0; | |
396 | for (p = current_directory; *p;) | |
397 | { | |
398 | if (IS_DIR_SEPARATOR (p[0]) && p[1] == '.' | |
399 | && (p[2] == 0 || IS_DIR_SEPARATOR (p[2]))) | |
400 | strcpy (p, p + 2); | |
401 | else if (IS_DIR_SEPARATOR (p[0]) && p[1] == '.' && p[2] == '.' | |
402 | && (p[3] == 0 || IS_DIR_SEPARATOR (p[3]))) | |
403 | { | |
404 | if (found_real_path) | |
405 | { | |
406 | /* Search backwards for the directory just before the "/.." | |
407 | and obliterate it and the "/..". */ | |
408 | char *q = p; | |
409 | while (q != current_directory && !IS_DIR_SEPARATOR (q[-1])) | |
410 | --q; | |
411 | ||
412 | if (q == current_directory) | |
413 | /* current_directory is | |
414 | a relative pathname ("can't happen"--leave it alone). */ | |
415 | ++p; | |
416 | else | |
417 | { | |
418 | strcpy (q - 1, p + 3); | |
419 | p = q - 1; | |
420 | } | |
421 | } | |
422 | else | |
423 | /* We are dealing with leading repetitions of "/..", for example | |
424 | "/../..", which is the Mach super-root. */ | |
425 | p += 3; | |
426 | } | |
427 | else | |
428 | { | |
429 | found_real_path = 1; | |
430 | ++p; | |
431 | } | |
432 | } | |
433 | ||
434 | forget_cached_source_info (); | |
435 | ||
436 | if (from_tty) | |
437 | pwd_command ((char *) 0, 1); | |
438 | } | |
439 | \f | |
440 | void | |
441 | source_script (char *file, int from_tty) | |
442 | { | |
443 | FILE *stream; | |
444 | struct cleanup *old_cleanups; | |
445 | char *full_pathname = NULL; | |
446 | int fd; | |
447 | ||
448 | if (file == NULL || *file == 0) | |
449 | { | |
450 | error (_("source command requires file name of file to source.")); | |
451 | } | |
452 | ||
453 | file = tilde_expand (file); | |
454 | old_cleanups = make_cleanup (xfree, file); | |
455 | ||
456 | /* Search for and open 'file' on the search path used for source | |
457 | files. Put the full location in 'full_pathname'. */ | |
458 | fd = openp (source_path, OPF_TRY_CWD_FIRST, | |
459 | file, O_RDONLY, &full_pathname); | |
460 | make_cleanup (xfree, full_pathname); | |
461 | ||
462 | /* Use the full path name, if it is found. */ | |
463 | if (full_pathname != NULL && fd != -1) | |
464 | { | |
465 | file = full_pathname; | |
466 | } | |
467 | ||
468 | if (fd == -1) | |
469 | { | |
470 | if (from_tty) | |
471 | perror_with_name (file); | |
472 | else | |
473 | { | |
474 | do_cleanups (old_cleanups); | |
475 | return; | |
476 | } | |
477 | } | |
478 | ||
479 | stream = fdopen (fd, FOPEN_RT); | |
480 | script_from_file (stream, file); | |
481 | ||
482 | do_cleanups (old_cleanups); | |
483 | } | |
484 | ||
485 | /* Return the source_verbose global variable to its previous state | |
486 | on exit from the source command, by whatever means. */ | |
487 | static void | |
488 | source_verbose_cleanup (void *old_value) | |
489 | { | |
490 | source_verbose = *(int *)old_value; | |
491 | xfree (old_value); | |
492 | } | |
493 | ||
494 | static void | |
495 | source_command (char *args, int from_tty) | |
496 | { | |
497 | struct cleanup *old_cleanups; | |
498 | char *file = args; | |
499 | int *old_source_verbose = xmalloc (sizeof(int)); | |
500 | ||
501 | *old_source_verbose = source_verbose; | |
502 | old_cleanups = make_cleanup (source_verbose_cleanup, old_source_verbose); | |
503 | ||
504 | /* -v causes the source command to run in verbose mode. | |
505 | We still have to be able to handle filenames with spaces in a | |
506 | backward compatible way, so buildargv is not appropriate. */ | |
507 | ||
508 | if (args) | |
509 | { | |
510 | /* Make sure leading white space does not break the comparisons. */ | |
511 | while (isspace(args[0])) | |
512 | args++; | |
513 | ||
514 | /* Is -v the first thing in the string? */ | |
515 | if (args[0] == '-' && args[1] == 'v' && isspace (args[2])) | |
516 | { | |
517 | source_verbose = 1; | |
518 | ||
519 | /* Trim -v and whitespace from the filename. */ | |
520 | file = &args[3]; | |
521 | while (isspace (file[0])) | |
522 | file++; | |
523 | } | |
524 | } | |
525 | ||
526 | source_script (file, from_tty); | |
527 | } | |
528 | ||
529 | ||
530 | static void | |
531 | echo_command (char *text, int from_tty) | |
532 | { | |
533 | char *p = text; | |
534 | int c; | |
535 | ||
536 | if (text) | |
537 | while ((c = *p++) != '\0') | |
538 | { | |
539 | if (c == '\\') | |
540 | { | |
541 | /* \ at end of argument is used after spaces | |
542 | so they won't be lost. */ | |
543 | if (*p == 0) | |
544 | return; | |
545 | ||
546 | c = parse_escape (&p); | |
547 | if (c >= 0) | |
548 | printf_filtered ("%c", c); | |
549 | } | |
550 | else | |
551 | printf_filtered ("%c", c); | |
552 | } | |
553 | ||
554 | /* Force this output to appear now. */ | |
555 | wrap_here (""); | |
556 | gdb_flush (gdb_stdout); | |
557 | } | |
558 | ||
559 | static void | |
560 | shell_escape (char *arg, int from_tty) | |
561 | { | |
562 | #if defined(CANT_FORK) || \ | |
563 | (!defined(HAVE_WORKING_VFORK) && !defined(HAVE_WORKING_FORK)) | |
564 | /* If ARG is NULL, they want an inferior shell, but `system' just | |
565 | reports if the shell is available when passed a NULL arg. */ | |
566 | int rc = system (arg ? arg : ""); | |
567 | ||
568 | if (!arg) | |
569 | arg = "inferior shell"; | |
570 | ||
571 | if (rc == -1) | |
572 | { | |
573 | fprintf_unfiltered (gdb_stderr, "Cannot execute %s: %s\n", arg, | |
574 | safe_strerror (errno)); | |
575 | gdb_flush (gdb_stderr); | |
576 | } | |
577 | else if (rc) | |
578 | { | |
579 | fprintf_unfiltered (gdb_stderr, "%s exited with status %d\n", arg, rc); | |
580 | gdb_flush (gdb_stderr); | |
581 | } | |
582 | #ifdef GLOBAL_CURDIR | |
583 | /* Make sure to return to the directory GDB thinks it is, in case the | |
584 | shell command we just ran changed it. */ | |
585 | chdir (current_directory); | |
586 | #endif | |
587 | #else /* Can fork. */ | |
588 | int rc, status, pid; | |
589 | ||
590 | if ((pid = vfork ()) == 0) | |
591 | { | |
592 | char *p, *user_shell; | |
593 | ||
594 | if ((user_shell = (char *) getenv ("SHELL")) == NULL) | |
595 | user_shell = "/bin/sh"; | |
596 | ||
597 | /* Get the name of the shell for arg0 */ | |
598 | if ((p = strrchr (user_shell, '/')) == NULL) | |
599 | p = user_shell; | |
600 | else | |
601 | p++; /* Get past '/' */ | |
602 | ||
603 | if (!arg) | |
604 | execl (user_shell, p, (char *) 0); | |
605 | else | |
606 | execl (user_shell, p, "-c", arg, (char *) 0); | |
607 | ||
608 | fprintf_unfiltered (gdb_stderr, "Cannot execute %s: %s\n", user_shell, | |
609 | safe_strerror (errno)); | |
610 | gdb_flush (gdb_stderr); | |
611 | _exit (0177); | |
612 | } | |
613 | ||
614 | if (pid != -1) | |
615 | while ((rc = wait (&status)) != pid && rc != -1) | |
616 | ; | |
617 | else | |
618 | error (_("Fork failed")); | |
619 | #endif /* Can fork. */ | |
620 | } | |
621 | ||
622 | static void | |
623 | edit_command (char *arg, int from_tty) | |
624 | { | |
625 | struct symtabs_and_lines sals; | |
626 | struct symtab_and_line sal; | |
627 | struct symbol *sym; | |
628 | char *arg1; | |
629 | char *editor; | |
630 | char *p, *fn; | |
631 | ||
632 | /* Pull in the current default source line if necessary. */ | |
633 | if (arg == 0) | |
634 | { | |
635 | set_default_source_symtab_and_line (); | |
636 | sal = get_current_source_symtab_and_line (); | |
637 | } | |
638 | ||
639 | /* bare "edit" edits file with present line. */ | |
640 | ||
641 | if (arg == 0) | |
642 | { | |
643 | if (sal.symtab == 0) | |
644 | error (_("No default source file yet.")); | |
645 | sal.line += get_lines_to_list () / 2; | |
646 | } | |
647 | else | |
648 | { | |
649 | ||
650 | /* Now should only be one argument -- decode it in SAL. */ | |
651 | ||
652 | arg1 = arg; | |
653 | sals = decode_line_1 (&arg1, 0, 0, 0, 0, 0); | |
654 | ||
655 | if (! sals.nelts) | |
656 | { | |
657 | /* C++ */ | |
658 | return; | |
659 | } | |
660 | if (sals.nelts > 1) | |
661 | { | |
662 | ambiguous_line_spec (&sals); | |
663 | xfree (sals.sals); | |
664 | return; | |
665 | } | |
666 | ||
667 | sal = sals.sals[0]; | |
668 | xfree (sals.sals); | |
669 | ||
670 | if (*arg1) | |
671 | error (_("Junk at end of line specification.")); | |
672 | ||
673 | /* If line was specified by address, | |
674 | first print exactly which line, and which file. | |
675 | In this case, sal.symtab == 0 means address is outside | |
676 | of all known source files, not that user failed to give a filename. */ | |
677 | if (*arg == '*') | |
678 | { | |
679 | struct gdbarch *gdbarch; | |
680 | if (sal.symtab == 0) | |
681 | /* FIXME-32x64--assumes sal.pc fits in long. */ | |
682 | error (_("No source file for address %s."), | |
683 | hex_string ((unsigned long) sal.pc)); | |
684 | ||
685 | gdbarch = get_objfile_arch (sal.symtab->objfile); | |
686 | sym = find_pc_function (sal.pc); | |
687 | if (sym) | |
688 | printf_filtered ("%s is in %s (%s:%d).\n", | |
689 | paddress (gdbarch, sal.pc), | |
690 | SYMBOL_PRINT_NAME (sym), | |
691 | sal.symtab->filename, sal.line); | |
692 | else | |
693 | printf_filtered ("%s is at %s:%d.\n", | |
694 | paddress (gdbarch, sal.pc), | |
695 | sal.symtab->filename, sal.line); | |
696 | } | |
697 | ||
698 | /* If what was given does not imply a symtab, it must be an undebuggable | |
699 | symbol which means no source code. */ | |
700 | ||
701 | if (sal.symtab == 0) | |
702 | error (_("No line number known for %s."), arg); | |
703 | } | |
704 | ||
705 | if ((editor = (char *) getenv ("EDITOR")) == NULL) | |
706 | editor = "/bin/ex"; | |
707 | ||
708 | /* If we don't already know the full absolute file name of the | |
709 | source file, find it now. */ | |
710 | if (!sal.symtab->fullname) | |
711 | { | |
712 | fn = symtab_to_fullname (sal.symtab); | |
713 | if (!fn) | |
714 | fn = "unknown"; | |
715 | } | |
716 | else | |
717 | fn = sal.symtab->fullname; | |
718 | ||
719 | /* Quote the file name, in case it has whitespace or other special | |
720 | characters. */ | |
721 | p = xstrprintf ("%s +%d \"%s\"", editor, sal.line, fn); | |
722 | shell_escape (p, from_tty); | |
723 | xfree (p); | |
724 | } | |
725 | ||
726 | static void | |
727 | list_command (char *arg, int from_tty) | |
728 | { | |
729 | struct symtabs_and_lines sals, sals_end; | |
730 | struct symtab_and_line sal = { 0 }; | |
731 | struct symtab_and_line sal_end = { 0 }; | |
732 | struct symtab_and_line cursal = { 0 }; | |
733 | struct symbol *sym; | |
734 | char *arg1; | |
735 | int no_end = 1; | |
736 | int dummy_end = 0; | |
737 | int dummy_beg = 0; | |
738 | int linenum_beg = 0; | |
739 | char *p; | |
740 | ||
741 | /* Pull in the current default source line if necessary */ | |
742 | if (arg == 0 || arg[0] == '+' || arg[0] == '-') | |
743 | { | |
744 | set_default_source_symtab_and_line (); | |
745 | cursal = get_current_source_symtab_and_line (); | |
746 | } | |
747 | ||
748 | /* "l" or "l +" lists next ten lines. */ | |
749 | ||
750 | if (arg == 0 || strcmp (arg, "+") == 0) | |
751 | { | |
752 | print_source_lines (cursal.symtab, cursal.line, | |
753 | cursal.line + get_lines_to_list (), 0); | |
754 | return; | |
755 | } | |
756 | ||
757 | /* "l -" lists previous ten lines, the ones before the ten just listed. */ | |
758 | if (strcmp (arg, "-") == 0) | |
759 | { | |
760 | print_source_lines (cursal.symtab, | |
761 | max (get_first_line_listed () - get_lines_to_list (), 1), | |
762 | get_first_line_listed (), 0); | |
763 | return; | |
764 | } | |
765 | ||
766 | /* Now if there is only one argument, decode it in SAL | |
767 | and set NO_END. | |
768 | If there are two arguments, decode them in SAL and SAL_END | |
769 | and clear NO_END; however, if one of the arguments is blank, | |
770 | set DUMMY_BEG or DUMMY_END to record that fact. */ | |
771 | ||
772 | if (!have_full_symbols () && !have_partial_symbols ()) | |
773 | error (_("No symbol table is loaded. Use the \"file\" command.")); | |
774 | ||
775 | arg1 = arg; | |
776 | if (*arg1 == ',') | |
777 | dummy_beg = 1; | |
778 | else | |
779 | { | |
780 | sals = decode_line_1 (&arg1, 0, 0, 0, 0, 0); | |
781 | ||
782 | if (!sals.nelts) | |
783 | return; /* C++ */ | |
784 | if (sals.nelts > 1) | |
785 | { | |
786 | ambiguous_line_spec (&sals); | |
787 | xfree (sals.sals); | |
788 | return; | |
789 | } | |
790 | ||
791 | sal = sals.sals[0]; | |
792 | xfree (sals.sals); | |
793 | } | |
794 | ||
795 | /* Record whether the BEG arg is all digits. */ | |
796 | ||
797 | for (p = arg; p != arg1 && *p >= '0' && *p <= '9'; p++); | |
798 | linenum_beg = (p == arg1); | |
799 | ||
800 | while (*arg1 == ' ' || *arg1 == '\t') | |
801 | arg1++; | |
802 | if (*arg1 == ',') | |
803 | { | |
804 | no_end = 0; | |
805 | arg1++; | |
806 | while (*arg1 == ' ' || *arg1 == '\t') | |
807 | arg1++; | |
808 | if (*arg1 == 0) | |
809 | dummy_end = 1; | |
810 | else | |
811 | { | |
812 | if (dummy_beg) | |
813 | sals_end = decode_line_1 (&arg1, 0, 0, 0, 0, 0); | |
814 | else | |
815 | sals_end = decode_line_1 (&arg1, 0, sal.symtab, sal.line, 0, 0); | |
816 | if (sals_end.nelts == 0) | |
817 | return; | |
818 | if (sals_end.nelts > 1) | |
819 | { | |
820 | ambiguous_line_spec (&sals_end); | |
821 | xfree (sals_end.sals); | |
822 | return; | |
823 | } | |
824 | sal_end = sals_end.sals[0]; | |
825 | xfree (sals_end.sals); | |
826 | } | |
827 | } | |
828 | ||
829 | if (*arg1) | |
830 | error (_("Junk at end of line specification.")); | |
831 | ||
832 | if (!no_end && !dummy_beg && !dummy_end | |
833 | && sal.symtab != sal_end.symtab) | |
834 | error (_("Specified start and end are in different files.")); | |
835 | if (dummy_beg && dummy_end) | |
836 | error (_("Two empty args do not say what lines to list.")); | |
837 | ||
838 | /* if line was specified by address, | |
839 | first print exactly which line, and which file. | |
840 | In this case, sal.symtab == 0 means address is outside | |
841 | of all known source files, not that user failed to give a filename. */ | |
842 | if (*arg == '*') | |
843 | { | |
844 | struct gdbarch *gdbarch; | |
845 | if (sal.symtab == 0) | |
846 | /* FIXME-32x64--assumes sal.pc fits in long. */ | |
847 | error (_("No source file for address %s."), | |
848 | hex_string ((unsigned long) sal.pc)); | |
849 | ||
850 | gdbarch = get_objfile_arch (sal.symtab->objfile); | |
851 | sym = find_pc_function (sal.pc); | |
852 | if (sym) | |
853 | printf_filtered ("%s is in %s (%s:%d).\n", | |
854 | paddress (gdbarch, sal.pc), | |
855 | SYMBOL_PRINT_NAME (sym), | |
856 | sal.symtab->filename, sal.line); | |
857 | else | |
858 | printf_filtered ("%s is at %s:%d.\n", | |
859 | paddress (gdbarch, sal.pc), | |
860 | sal.symtab->filename, sal.line); | |
861 | } | |
862 | ||
863 | /* If line was not specified by just a line number, | |
864 | and it does not imply a symtab, it must be an undebuggable symbol | |
865 | which means no source code. */ | |
866 | ||
867 | if (!linenum_beg && sal.symtab == 0) | |
868 | error (_("No line number known for %s."), arg); | |
869 | ||
870 | /* If this command is repeated with RET, | |
871 | turn it into the no-arg variant. */ | |
872 | ||
873 | if (from_tty) | |
874 | *arg = 0; | |
875 | ||
876 | if (dummy_beg && sal_end.symtab == 0) | |
877 | error (_("No default source file yet. Do \"help list\".")); | |
878 | if (dummy_beg) | |
879 | print_source_lines (sal_end.symtab, | |
880 | max (sal_end.line - (get_lines_to_list () - 1), 1), | |
881 | sal_end.line + 1, 0); | |
882 | else if (sal.symtab == 0) | |
883 | error (_("No default source file yet. Do \"help list\".")); | |
884 | else if (no_end) | |
885 | { | |
886 | int first_line = sal.line - get_lines_to_list () / 2; | |
887 | ||
888 | if (first_line < 1) first_line = 1; | |
889 | ||
890 | print_source_lines (sal.symtab, | |
891 | first_line, | |
892 | first_line + get_lines_to_list (), | |
893 | 0); | |
894 | } | |
895 | else | |
896 | print_source_lines (sal.symtab, sal.line, | |
897 | (dummy_end | |
898 | ? sal.line + get_lines_to_list () | |
899 | : sal_end.line + 1), | |
900 | 0); | |
901 | } | |
902 | ||
903 | /* Subroutine of disassemble_command to simplify it. | |
904 | Perform the disassembly. | |
905 | NAME is the name of the function if known, or NULL. | |
906 | [LOW,HIGH) are the range of addresses to disassemble. | |
907 | MIXED is non-zero to print source with the assembler. */ | |
908 | ||
909 | static void | |
910 | print_disassembly (struct gdbarch *gdbarch, const char *name, | |
911 | CORE_ADDR low, CORE_ADDR high, int flags) | |
912 | { | |
913 | #if defined(TUI) | |
914 | if (!tui_is_window_visible (DISASSEM_WIN)) | |
915 | #endif | |
916 | { | |
917 | printf_filtered ("Dump of assembler code "); | |
918 | if (name != NULL) | |
919 | printf_filtered ("for function %s:\n", name); | |
920 | else | |
921 | printf_filtered ("from %s to %s:\n", | |
922 | paddress (gdbarch, low), paddress (gdbarch, high)); | |
923 | ||
924 | /* Dump the specified range. */ | |
925 | gdb_disassembly (gdbarch, uiout, 0, flags, -1, low, high); | |
926 | ||
927 | printf_filtered ("End of assembler dump.\n"); | |
928 | gdb_flush (gdb_stdout); | |
929 | } | |
930 | #if defined(TUI) | |
931 | else | |
932 | { | |
933 | tui_show_assembly (gdbarch, low); | |
934 | } | |
935 | #endif | |
936 | } | |
937 | ||
938 | /* Subroutine of disassemble_command to simplify it. | |
939 | Print a disassembly of the current function according to FLAGS. */ | |
940 | ||
941 | static void | |
942 | disassemble_current_function (int flags) | |
943 | { | |
944 | struct frame_info *frame; | |
945 | struct gdbarch *gdbarch; | |
946 | CORE_ADDR low, high, pc; | |
947 | char *name; | |
948 | ||
949 | frame = get_selected_frame (_("No frame selected.")); | |
950 | gdbarch = get_frame_arch (frame); | |
951 | pc = get_frame_pc (frame); | |
952 | if (find_pc_partial_function (pc, &name, &low, &high) == 0) | |
953 | error (_("No function contains program counter for selected frame.")); | |
954 | #if defined(TUI) | |
955 | /* NOTE: cagney/2003-02-13 The `tui_active' was previously | |
956 | `tui_version'. */ | |
957 | if (tui_active) | |
958 | /* FIXME: cagney/2004-02-07: This should be an observer. */ | |
959 | low = tui_get_low_disassembly_address (gdbarch, low, pc); | |
960 | #endif | |
961 | low += gdbarch_deprecated_function_start_offset (gdbarch); | |
962 | ||
963 | print_disassembly (gdbarch, name, low, high, flags); | |
964 | } | |
965 | ||
966 | /* Dump a specified section of assembly code. | |
967 | ||
968 | Usage: | |
969 | disassemble [/mr] | |
970 | - dump the assembly code for the function of the current pc | |
971 | disassemble [/mr] addr | |
972 | - dump the assembly code for the function at ADDR | |
973 | disassemble [/mr] low high | |
974 | - dump the assembly code in the range [LOW,HIGH) | |
975 | ||
976 | A /m modifier will include source code with the assembly. | |
977 | A /r modifier will include raw instructions in hex with the assembly. */ | |
978 | ||
979 | static void | |
980 | disassemble_command (char *arg, int from_tty) | |
981 | { | |
982 | struct gdbarch *gdbarch = get_current_arch (); | |
983 | CORE_ADDR low, high; | |
984 | char *name; | |
985 | CORE_ADDR pc, pc_masked; | |
986 | char *space_index; | |
987 | int flags; | |
988 | ||
989 | name = NULL; | |
990 | flags = 0; | |
991 | ||
992 | if (arg && *arg == '/') | |
993 | { | |
994 | ++arg; | |
995 | ||
996 | if (*arg == '\0') | |
997 | error (_("Missing modifier.")); | |
998 | ||
999 | while (*arg && ! isspace (*arg)) | |
1000 | { | |
1001 | switch (*arg++) | |
1002 | { | |
1003 | case 'm': | |
1004 | flags |= DISASSEMBLY_SOURCE; | |
1005 | break; | |
1006 | case 'r': | |
1007 | flags |= DISASSEMBLY_RAW_INSN; | |
1008 | break; | |
1009 | default: | |
1010 | error (_("Invalid disassembly modifier.")); | |
1011 | } | |
1012 | } | |
1013 | ||
1014 | while (isspace (*arg)) | |
1015 | ++arg; | |
1016 | } | |
1017 | ||
1018 | if (! arg || ! *arg) | |
1019 | { | |
1020 | flags |= DISASSEMBLY_OMIT_FNAME; | |
1021 | disassemble_current_function (flags); | |
1022 | return; | |
1023 | } | |
1024 | ||
1025 | /* FIXME: 'twould be nice to allow spaces in the expression for the first | |
1026 | arg. Allow comma separater too? */ | |
1027 | ||
1028 | if (!(space_index = (char *) strchr (arg, ' '))) | |
1029 | { | |
1030 | /* One argument. */ | |
1031 | pc = parse_and_eval_address (arg); | |
1032 | if (find_pc_partial_function (pc, &name, &low, &high) == 0) | |
1033 | error (_("No function contains specified address.")); | |
1034 | #if defined(TUI) | |
1035 | /* NOTE: cagney/2003-02-13 The `tui_active' was previously | |
1036 | `tui_version'. */ | |
1037 | if (tui_active) | |
1038 | /* FIXME: cagney/2004-02-07: This should be an observer. */ | |
1039 | low = tui_get_low_disassembly_address (gdbarch, low, pc); | |
1040 | #endif | |
1041 | low += gdbarch_deprecated_function_start_offset (gdbarch); | |
1042 | flags |= DISASSEMBLY_OMIT_FNAME; | |
1043 | } | |
1044 | else | |
1045 | { | |
1046 | /* Two arguments. */ | |
1047 | *space_index = '\0'; | |
1048 | low = parse_and_eval_address (arg); | |
1049 | high = parse_and_eval_address (space_index + 1); | |
1050 | } | |
1051 | ||
1052 | print_disassembly (gdbarch, name, low, high, flags); | |
1053 | } | |
1054 | ||
1055 | static void | |
1056 | make_command (char *arg, int from_tty) | |
1057 | { | |
1058 | char *p; | |
1059 | ||
1060 | if (arg == 0) | |
1061 | p = "make"; | |
1062 | else | |
1063 | { | |
1064 | p = xmalloc (sizeof ("make ") + strlen (arg)); | |
1065 | strcpy (p, "make "); | |
1066 | strcpy (p + sizeof ("make ") - 1, arg); | |
1067 | } | |
1068 | ||
1069 | shell_escape (p, from_tty); | |
1070 | } | |
1071 | ||
1072 | static void | |
1073 | show_user (char *args, int from_tty) | |
1074 | { | |
1075 | struct cmd_list_element *c; | |
1076 | extern struct cmd_list_element *cmdlist; | |
1077 | ||
1078 | if (args) | |
1079 | { | |
1080 | char *comname = args; | |
1081 | c = lookup_cmd (&comname, cmdlist, "", 0, 1); | |
1082 | if (c->class != class_user) | |
1083 | error (_("Not a user command.")); | |
1084 | show_user_1 (c, "", args, gdb_stdout); | |
1085 | } | |
1086 | else | |
1087 | { | |
1088 | for (c = cmdlist; c; c = c->next) | |
1089 | { | |
1090 | if (c->class == class_user || c->prefixlist != NULL) | |
1091 | show_user_1 (c, "", c->name, gdb_stdout); | |
1092 | } | |
1093 | } | |
1094 | } | |
1095 | ||
1096 | /* Search through names of commands and documentations for a certain | |
1097 | regular expression. | |
1098 | */ | |
1099 | void | |
1100 | apropos_command (char *searchstr, int from_tty) | |
1101 | { | |
1102 | extern struct cmd_list_element *cmdlist; /*This is the main command list*/ | |
1103 | regex_t pattern; | |
1104 | char *pattern_fastmap; | |
1105 | char errorbuffer[512]; | |
1106 | pattern_fastmap = xcalloc (256, sizeof (char)); | |
1107 | if (searchstr == NULL) | |
1108 | error (_("REGEXP string is empty")); | |
1109 | ||
1110 | if (regcomp(&pattern,searchstr,REG_ICASE) == 0) | |
1111 | { | |
1112 | pattern.fastmap=pattern_fastmap; | |
1113 | re_compile_fastmap(&pattern); | |
1114 | apropos_cmd (gdb_stdout,cmdlist,&pattern,""); | |
1115 | } | |
1116 | else | |
1117 | { | |
1118 | regerror(regcomp(&pattern,searchstr,REG_ICASE),NULL,errorbuffer,512); | |
1119 | error (_("Error in regular expression:%s"),errorbuffer); | |
1120 | } | |
1121 | xfree (pattern_fastmap); | |
1122 | } | |
1123 | \f | |
1124 | /* Print a list of files and line numbers which a user may choose from | |
1125 | in order to list a function which was specified ambiguously (as with | |
1126 | `list classname::overloadedfuncname', for example). The vector in | |
1127 | SALS provides the filenames and line numbers. */ | |
1128 | ||
1129 | static void | |
1130 | ambiguous_line_spec (struct symtabs_and_lines *sals) | |
1131 | { | |
1132 | int i; | |
1133 | ||
1134 | for (i = 0; i < sals->nelts; ++i) | |
1135 | printf_filtered (_("file: \"%s\", line number: %d\n"), | |
1136 | sals->sals[i].symtab->filename, sals->sals[i].line); | |
1137 | } | |
1138 | ||
1139 | static void | |
1140 | set_debug (char *arg, int from_tty) | |
1141 | { | |
1142 | printf_unfiltered (_("\"set debug\" must be followed by the name of a debug subcommand.\n")); | |
1143 | help_list (setdebuglist, "set debug ", -1, gdb_stdout); | |
1144 | } | |
1145 | ||
1146 | static void | |
1147 | show_debug (char *args, int from_tty) | |
1148 | { | |
1149 | cmd_show_list (showdebuglist, from_tty, ""); | |
1150 | } | |
1151 | ||
1152 | void | |
1153 | init_cmd_lists (void) | |
1154 | { | |
1155 | max_user_call_depth = 1024; | |
1156 | ||
1157 | cmdlist = NULL; | |
1158 | infolist = NULL; | |
1159 | enablelist = NULL; | |
1160 | disablelist = NULL; | |
1161 | togglelist = NULL; | |
1162 | stoplist = NULL; | |
1163 | deletelist = NULL; | |
1164 | detachlist = NULL; | |
1165 | enablebreaklist = NULL; | |
1166 | setlist = NULL; | |
1167 | unsetlist = NULL; | |
1168 | showlist = NULL; | |
1169 | sethistlist = NULL; | |
1170 | showhistlist = NULL; | |
1171 | unsethistlist = NULL; | |
1172 | maintenancelist = NULL; | |
1173 | maintenanceinfolist = NULL; | |
1174 | maintenanceprintlist = NULL; | |
1175 | setprintlist = NULL; | |
1176 | showprintlist = NULL; | |
1177 | setchecklist = NULL; | |
1178 | showchecklist = NULL; | |
1179 | } | |
1180 | ||
1181 | static void | |
1182 | show_info_verbose (struct ui_file *file, int from_tty, | |
1183 | struct cmd_list_element *c, | |
1184 | const char *value) | |
1185 | { | |
1186 | if (info_verbose) | |
1187 | fprintf_filtered (file, _("\ | |
1188 | Verbose printing of informational messages is %s.\n"), value); | |
1189 | else | |
1190 | fprintf_filtered (file, _("Verbosity is %s.\n"), value); | |
1191 | } | |
1192 | ||
1193 | static void | |
1194 | show_history_expansion_p (struct ui_file *file, int from_tty, | |
1195 | struct cmd_list_element *c, const char *value) | |
1196 | { | |
1197 | fprintf_filtered (file, _("History expansion on command input is %s.\n"), | |
1198 | value); | |
1199 | } | |
1200 | ||
1201 | static void | |
1202 | show_baud_rate (struct ui_file *file, int from_tty, | |
1203 | struct cmd_list_element *c, const char *value) | |
1204 | { | |
1205 | fprintf_filtered (file, _("Baud rate for remote serial I/O is %s.\n"), | |
1206 | value); | |
1207 | } | |
1208 | ||
1209 | static void | |
1210 | show_remote_debug (struct ui_file *file, int from_tty, | |
1211 | struct cmd_list_element *c, const char *value) | |
1212 | { | |
1213 | fprintf_filtered (file, _("Debugging of remote protocol is %s.\n"), | |
1214 | value); | |
1215 | } | |
1216 | ||
1217 | static void | |
1218 | show_remote_timeout (struct ui_file *file, int from_tty, | |
1219 | struct cmd_list_element *c, const char *value) | |
1220 | { | |
1221 | fprintf_filtered (file, _("\ | |
1222 | Timeout limit to wait for target to respond is %s.\n"), | |
1223 | value); | |
1224 | } | |
1225 | ||
1226 | static void | |
1227 | show_max_user_call_depth (struct ui_file *file, int from_tty, | |
1228 | struct cmd_list_element *c, const char *value) | |
1229 | { | |
1230 | fprintf_filtered (file, _("\ | |
1231 | The max call depth for user-defined commands is %s.\n"), | |
1232 | value); | |
1233 | } | |
1234 | ||
1235 | \f | |
1236 | void | |
1237 | init_cli_cmds (void) | |
1238 | { | |
1239 | struct cmd_list_element *c; | |
1240 | char *source_help_text; | |
1241 | ||
1242 | /* Define the classes of commands. | |
1243 | They will appear in the help list in the reverse of this order. */ | |
1244 | ||
1245 | add_cmd ("internals", class_maintenance, NULL, _("\ | |
1246 | Maintenance commands.\n\ | |
1247 | Some gdb commands are provided just for use by gdb maintainers.\n\ | |
1248 | These commands are subject to frequent change, and may not be as\n\ | |
1249 | well documented as user commands."), | |
1250 | &cmdlist); | |
1251 | add_cmd ("obscure", class_obscure, NULL, _("Obscure features."), &cmdlist); | |
1252 | add_cmd ("aliases", class_alias, NULL, _("Aliases of other commands."), &cmdlist); | |
1253 | add_cmd ("user-defined", class_user, NULL, _("\ | |
1254 | User-defined commands.\n\ | |
1255 | The commands in this class are those defined by the user.\n\ | |
1256 | Use the \"define\" command to define a command."), &cmdlist); | |
1257 | add_cmd ("support", class_support, NULL, _("Support facilities."), &cmdlist); | |
1258 | if (!dbx_commands) | |
1259 | add_cmd ("status", class_info, NULL, _("Status inquiries."), &cmdlist); | |
1260 | add_cmd ("files", class_files, NULL, _("Specifying and examining files."), | |
1261 | &cmdlist); | |
1262 | add_cmd ("breakpoints", class_breakpoint, NULL, | |
1263 | _("Making program stop at certain points."), &cmdlist); | |
1264 | add_cmd ("data", class_vars, NULL, _("Examining data."), &cmdlist); | |
1265 | add_cmd ("stack", class_stack, NULL, _("\ | |
1266 | Examining the stack.\n\ | |
1267 | The stack is made up of stack frames. Gdb assigns numbers to stack frames\n\ | |
1268 | counting from zero for the innermost (currently executing) frame.\n\n\ | |
1269 | At any time gdb identifies one frame as the \"selected\" frame.\n\ | |
1270 | Variable lookups are done with respect to the selected frame.\n\ | |
1271 | When the program being debugged stops, gdb selects the innermost frame.\n\ | |
1272 | The commands below can be used to select other frames by number or address."), | |
1273 | &cmdlist); | |
1274 | add_cmd ("running", class_run, NULL, _("Running the program."), &cmdlist); | |
1275 | ||
1276 | /* Define general commands. */ | |
1277 | ||
1278 | add_com ("pwd", class_files, pwd_command, _("\ | |
1279 | Print working directory. This is used for your program as well.")); | |
1280 | ||
1281 | c = add_cmd ("cd", class_files, cd_command, _("\ | |
1282 | Set working directory to DIR for debugger and program being debugged.\n\ | |
1283 | The change does not take effect for the program being debugged\n\ | |
1284 | until the next time it is started."), &cmdlist); | |
1285 | set_cmd_completer (c, filename_completer); | |
1286 | ||
1287 | add_com ("echo", class_support, echo_command, _("\ | |
1288 | Print a constant string. Give string as argument.\n\ | |
1289 | C escape sequences may be used in the argument.\n\ | |
1290 | No newline is added at the end of the argument;\n\ | |
1291 | use \"\\n\" if you want a newline to be printed.\n\ | |
1292 | Since leading and trailing whitespace are ignored in command arguments,\n\ | |
1293 | if you want to print some you must use \"\\\" before leading whitespace\n\ | |
1294 | to be printed or after trailing whitespace.")); | |
1295 | add_com ("document", class_support, document_command, _("\ | |
1296 | Document a user-defined command.\n\ | |
1297 | Give command name as argument. Give documentation on following lines.\n\ | |
1298 | End with a line of just \"end\".")); | |
1299 | add_com ("define", class_support, define_command, _("\ | |
1300 | Define a new command name. Command name is argument.\n\ | |
1301 | Definition appears on following lines, one command per line.\n\ | |
1302 | End with a line of just \"end\".\n\ | |
1303 | Use the \"document\" command to give documentation for the new command.\n\ | |
1304 | Commands defined in this way may have up to ten arguments.")); | |
1305 | ||
1306 | source_help_text = xstrprintf (_("\ | |
1307 | Read commands from a file named FILE.\n\ | |
1308 | Optional -v switch (before the filename) causes each command in\n\ | |
1309 | FILE to be echoed as it is executed.\n\ | |
1310 | Note that the file \"%s\" is read automatically in this way\n\ | |
1311 | when GDB is started."), gdbinit); | |
1312 | c = add_cmd ("source", class_support, source_command, | |
1313 | source_help_text, &cmdlist); | |
1314 | set_cmd_completer (c, filename_completer); | |
1315 | ||
1316 | add_com ("quit", class_support, quit_command, _("Exit gdb.")); | |
1317 | c = add_com ("help", class_support, help_command, | |
1318 | _("Print list of commands.")); | |
1319 | set_cmd_completer (c, command_completer); | |
1320 | add_com_alias ("q", "quit", class_support, 1); | |
1321 | add_com_alias ("h", "help", class_support, 1); | |
1322 | ||
1323 | add_setshow_boolean_cmd ("verbose", class_support, &info_verbose, _("\ | |
1324 | Set verbosity."), _("\ | |
1325 | Show verbosity."), NULL, | |
1326 | set_verbose, | |
1327 | show_info_verbose, | |
1328 | &setlist, &showlist); | |
1329 | ||
1330 | add_prefix_cmd ("history", class_support, set_history, | |
1331 | _("Generic command for setting command history parameters."), | |
1332 | &sethistlist, "set history ", 0, &setlist); | |
1333 | add_prefix_cmd ("history", class_support, show_history, | |
1334 | _("Generic command for showing command history parameters."), | |
1335 | &showhistlist, "show history ", 0, &showlist); | |
1336 | ||
1337 | add_setshow_boolean_cmd ("expansion", no_class, &history_expansion_p, _("\ | |
1338 | Set history expansion on command input."), _("\ | |
1339 | Show history expansion on command input."), _("\ | |
1340 | Without an argument, history expansion is enabled."), | |
1341 | NULL, | |
1342 | show_history_expansion_p, | |
1343 | &sethistlist, &showhistlist); | |
1344 | ||
1345 | add_prefix_cmd ("info", class_info, info_command, _("\ | |
1346 | Generic command for showing things about the program being debugged."), | |
1347 | &infolist, "info ", 0, &cmdlist); | |
1348 | add_com_alias ("i", "info", class_info, 1); | |
1349 | add_com_alias ("inf", "info", class_info, 1); | |
1350 | ||
1351 | add_com ("complete", class_obscure, complete_command, | |
1352 | _("List the completions for the rest of the line as a command.")); | |
1353 | ||
1354 | add_prefix_cmd ("show", class_info, show_command, _("\ | |
1355 | Generic command for showing things about the debugger."), | |
1356 | &showlist, "show ", 0, &cmdlist); | |
1357 | /* Another way to get at the same thing. */ | |
1358 | add_info ("set", show_command, _("Show all GDB settings.")); | |
1359 | ||
1360 | add_cmd ("commands", no_class, show_commands, _("\ | |
1361 | Show the history of commands you typed.\n\ | |
1362 | You can supply a command number to start with, or a `+' to start after\n\ | |
1363 | the previous command number shown."), | |
1364 | &showlist); | |
1365 | ||
1366 | add_cmd ("version", no_class, show_version, | |
1367 | _("Show what version of GDB this is."), &showlist); | |
1368 | ||
1369 | add_com ("while", class_support, while_command, _("\ | |
1370 | Execute nested commands WHILE the conditional expression is non zero.\n\ | |
1371 | The conditional expression must follow the word `while' and must in turn be\n\ | |
1372 | followed by a new line. The nested commands must be entered one per line,\n\ | |
1373 | and should be terminated by the word `end'.")); | |
1374 | ||
1375 | add_com ("if", class_support, if_command, _("\ | |
1376 | Execute nested commands once IF the conditional expression is non zero.\n\ | |
1377 | The conditional expression must follow the word `if' and must in turn be\n\ | |
1378 | followed by a new line. The nested commands must be entered one per line,\n\ | |
1379 | and should be terminated by the word 'else' or `end'. If an else clause\n\ | |
1380 | is used, the same rules apply to its nested commands as to the first ones.")); | |
1381 | ||
1382 | /* If target is open when baud changes, it doesn't take effect until the | |
1383 | next open (I think, not sure). */ | |
1384 | add_setshow_zinteger_cmd ("remotebaud", no_class, &baud_rate, _("\ | |
1385 | Set baud rate for remote serial I/O."), _("\ | |
1386 | Show baud rate for remote serial I/O."), _("\ | |
1387 | This value is used to set the speed of the serial port when debugging\n\ | |
1388 | using remote targets."), | |
1389 | NULL, | |
1390 | show_baud_rate, | |
1391 | &setlist, &showlist); | |
1392 | ||
1393 | add_setshow_zinteger_cmd ("remote", no_class, &remote_debug, _("\ | |
1394 | Set debugging of remote protocol."), _("\ | |
1395 | Show debugging of remote protocol."), _("\ | |
1396 | When enabled, each packet sent or received with the remote target\n\ | |
1397 | is displayed."), | |
1398 | NULL, | |
1399 | show_remote_debug, | |
1400 | &setdebuglist, &showdebuglist); | |
1401 | ||
1402 | add_setshow_integer_cmd ("remotetimeout", no_class, &remote_timeout, _("\ | |
1403 | Set timeout limit to wait for target to respond."), _("\ | |
1404 | Show timeout limit to wait for target to respond."), _("\ | |
1405 | This value is used to set the time limit for gdb to wait for a response\n\ | |
1406 | from the target."), | |
1407 | NULL, | |
1408 | show_remote_timeout, | |
1409 | &setlist, &showlist); | |
1410 | ||
1411 | add_prefix_cmd ("debug", no_class, set_debug, | |
1412 | _("Generic command for setting gdb debugging flags"), | |
1413 | &setdebuglist, "set debug ", 0, &setlist); | |
1414 | ||
1415 | add_prefix_cmd ("debug", no_class, show_debug, | |
1416 | _("Generic command for showing gdb debugging flags"), | |
1417 | &showdebuglist, "show debug ", 0, &showlist); | |
1418 | ||
1419 | c = add_com ("shell", class_support, shell_escape, _("\ | |
1420 | Execute the rest of the line as a shell command.\n\ | |
1421 | With no arguments, run an inferior shell.")); | |
1422 | set_cmd_completer (c, filename_completer); | |
1423 | ||
1424 | c = add_com ("edit", class_files, edit_command, _("\ | |
1425 | Edit specified file or function.\n\ | |
1426 | With no argument, edits file containing most recent line listed.\n\ | |
1427 | Editing targets can be specified in these ways:\n\ | |
1428 | FILE:LINENUM, to edit at that line in that file,\n\ | |
1429 | FUNCTION, to edit at the beginning of that function,\n\ | |
1430 | FILE:FUNCTION, to distinguish among like-named static functions.\n\ | |
1431 | *ADDRESS, to edit at the line containing that address.\n\ | |
1432 | Uses EDITOR environment variable contents as editor (or ex as default).")); | |
1433 | ||
1434 | c->completer = location_completer; | |
1435 | ||
1436 | add_com ("list", class_files, list_command, _("\ | |
1437 | List specified function or line.\n\ | |
1438 | With no argument, lists ten more lines after or around previous listing.\n\ | |
1439 | \"list -\" lists the ten lines before a previous ten-line listing.\n\ | |
1440 | One argument specifies a line, and ten lines are listed around that line.\n\ | |
1441 | Two arguments with comma between specify starting and ending lines to list.\n\ | |
1442 | Lines can be specified in these ways:\n\ | |
1443 | LINENUM, to list around that line in current file,\n\ | |
1444 | FILE:LINENUM, to list around that line in that file,\n\ | |
1445 | FUNCTION, to list around beginning of that function,\n\ | |
1446 | FILE:FUNCTION, to distinguish among like-named static functions.\n\ | |
1447 | *ADDRESS, to list around the line containing that address.\n\ | |
1448 | With two args if one is empty it stands for ten lines away from the other arg.")); | |
1449 | ||
1450 | if (!xdb_commands) | |
1451 | add_com_alias ("l", "list", class_files, 1); | |
1452 | else | |
1453 | add_com_alias ("v", "list", class_files, 1); | |
1454 | ||
1455 | if (dbx_commands) | |
1456 | add_com_alias ("file", "list", class_files, 1); | |
1457 | ||
1458 | c = add_com ("disassemble", class_vars, disassemble_command, _("\ | |
1459 | Disassemble a specified section of memory.\n\ | |
1460 | Default is the function surrounding the pc of the selected frame.\n\ | |
1461 | With a /m modifier, source lines are included (if available).\n\ | |
1462 | With a /r modifier, raw instructions in hex are included.\n\ | |
1463 | With a single argument, the function surrounding that address is dumped.\n\ | |
1464 | Two arguments are taken as a range of memory to dump.")); | |
1465 | set_cmd_completer (c, location_completer); | |
1466 | if (xdb_commands) | |
1467 | add_com_alias ("va", "disassemble", class_xdb, 0); | |
1468 | ||
1469 | /* NOTE: cagney/2000-03-20: Being able to enter ``(gdb) !ls'' would | |
1470 | be a really useful feature. Unfortunately, the below wont do | |
1471 | this. Instead it adds support for the form ``(gdb) ! ls'' | |
1472 | (i.e. the space is required). If the ``!'' command below is | |
1473 | added the complains about no ``!'' command would be replaced by | |
1474 | complains about how the ``!'' command is broken :-) */ | |
1475 | if (xdb_commands) | |
1476 | add_com_alias ("!", "shell", class_support, 0); | |
1477 | ||
1478 | c = add_com ("make", class_support, make_command, _("\ | |
1479 | Run the ``make'' program using the rest of the line as arguments.")); | |
1480 | set_cmd_completer (c, filename_completer); | |
1481 | add_cmd ("user", no_class, show_user, _("\ | |
1482 | Show definitions of user defined commands.\n\ | |
1483 | Argument is the name of the user defined command.\n\ | |
1484 | With no argument, show definitions of all user defined commands."), &showlist); | |
1485 | add_com ("apropos", class_support, apropos_command, | |
1486 | _("Search for commands matching a REGEXP")); | |
1487 | ||
1488 | add_setshow_integer_cmd ("max-user-call-depth", no_class, | |
1489 | &max_user_call_depth, _("\ | |
1490 | Set the max call depth for user-defined commands."), _("\ | |
1491 | Show the max call depth for user-defined commands."), NULL, | |
1492 | NULL, | |
1493 | show_max_user_call_depth, | |
1494 | &setlist, &showlist); | |
1495 | ||
1496 | add_setshow_boolean_cmd ("trace-commands", no_class, &trace_commands, _("\ | |
1497 | Set tracing of GDB CLI commands."), _("\ | |
1498 | Show state of GDB CLI command tracing."), _("\ | |
1499 | When 'on', each command is displayed as it is executed."), | |
1500 | NULL, | |
1501 | NULL, | |
1502 | &setlist, &showlist); | |
1503 | } |