Commit | Line | Data |
---|---|---|
d318976c | 1 | /* GDB CLI commands. |
8926118c | 2 | |
d9b52655 | 3 | Copyright 2000, 2001, 2002, 2003, 2004 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 | |
9 | the Free Software Foundation; either version 2 of the License, or | |
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 | |
18 | along with this program; if not, write to the Free Software | |
19 | Foundation, Inc., 59 Temple Place - Suite 330, | |
20 | Boston, MA 02111-1307, USA. */ | |
21 | ||
22 | #include "defs.h" | |
dbda9972 AC |
23 | #include "readline/readline.h" |
24 | #include "readline/tilde.h" | |
d318976c FN |
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 */ | |
f77b92bf | 28 | #include "gdb_regex.h" /* Used by apropos_command */ |
5f8a3188 | 29 | #include "gdb_string.h" |
325ed089 | 30 | #include "gdb_vfork.h" |
0378c332 FN |
31 | #include "linespec.h" |
32 | #include "expression.h" | |
83c31e7d FN |
33 | #include "frame.h" |
34 | #include "value.h" | |
0378c332 | 35 | #include "language.h" |
fe4e3eb8 | 36 | #include "filenames.h" /* for DOSish file names */ |
0378c332 FN |
37 | #include "objfiles.h" |
38 | #include "source.h" | |
83c31e7d | 39 | #include "disasm.h" |
d318976c | 40 | |
d318976c | 41 | #include "ui-out.h" |
d318976c FN |
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 | ||
6a83354a AC |
49 | #ifdef TUI |
50 | #include "tui/tui.h" /* For tui_active et.al. */ | |
51 | #endif | |
52 | ||
d318976c FN |
53 | #ifndef GDBINIT_FILENAME |
54 | #define GDBINIT_FILENAME ".gdbinit" | |
55 | #endif | |
56 | ||
0378c332 | 57 | /* Prototypes for local command functions */ |
d318976c FN |
58 | |
59 | static void complete_command (char *, int); | |
60 | ||
61 | static void echo_command (char *, int); | |
62 | ||
63 | static void pwd_command (char *, int); | |
64 | ||
65 | static void show_version (char *, int); | |
66 | ||
d318976c FN |
67 | static void help_command (char *, int); |
68 | ||
69 | static void show_command (char *, int); | |
70 | ||
71 | static void info_command (char *, int); | |
72 | ||
73 | static void show_debug (char *, int); | |
74 | ||
75 | static void set_debug (char *, int); | |
76 | ||
77 | static void show_user (char *, int); | |
78 | ||
79 | static void make_command (char *, int); | |
80 | ||
81 | static void shell_escape (char *, int); | |
82 | ||
0378c332 FN |
83 | static void edit_command (char *, int); |
84 | ||
85 | static void list_command (char *, int); | |
86 | ||
d318976c | 87 | void apropos_command (char *, int); |
0378c332 FN |
88 | |
89 | /* Prototypes for local utility functions */ | |
90 | ||
91 | static void ambiguous_line_spec (struct symtabs_and_lines *); | |
d318976c | 92 | \f |
20f01a46 DH |
93 | /* Limit the call depth of user-defined commands */ |
94 | int max_user_call_depth; | |
95 | ||
d318976c FN |
96 | /* Define all cmd_list_elements. */ |
97 | ||
98 | /* Chain containing all defined commands. */ | |
99 | ||
100 | struct cmd_list_element *cmdlist; | |
101 | ||
102 | /* Chain containing all defined info subcommands. */ | |
103 | ||
104 | struct cmd_list_element *infolist; | |
105 | ||
106 | /* Chain containing all defined enable subcommands. */ | |
107 | ||
108 | struct cmd_list_element *enablelist; | |
109 | ||
110 | /* Chain containing all defined disable subcommands. */ | |
111 | ||
112 | struct cmd_list_element *disablelist; | |
113 | ||
114 | /* Chain containing all defined toggle subcommands. */ | |
115 | ||
116 | struct cmd_list_element *togglelist; | |
117 | ||
118 | /* Chain containing all defined stop subcommands. */ | |
119 | ||
120 | struct cmd_list_element *stoplist; | |
121 | ||
122 | /* Chain containing all defined delete subcommands. */ | |
123 | ||
124 | struct cmd_list_element *deletelist; | |
125 | ||
126 | /* Chain containing all defined "enable breakpoint" subcommands. */ | |
127 | ||
128 | struct cmd_list_element *enablebreaklist; | |
129 | ||
130 | /* Chain containing all defined set subcommands */ | |
131 | ||
132 | struct cmd_list_element *setlist; | |
133 | ||
134 | /* Chain containing all defined unset subcommands */ | |
135 | ||
136 | struct cmd_list_element *unsetlist; | |
137 | ||
138 | /* Chain containing all defined show subcommands. */ | |
139 | ||
140 | struct cmd_list_element *showlist; | |
141 | ||
142 | /* Chain containing all defined \"set history\". */ | |
143 | ||
144 | struct cmd_list_element *sethistlist; | |
145 | ||
146 | /* Chain containing all defined \"show history\". */ | |
147 | ||
148 | struct cmd_list_element *showhistlist; | |
149 | ||
150 | /* Chain containing all defined \"unset history\". */ | |
151 | ||
152 | struct cmd_list_element *unsethistlist; | |
153 | ||
154 | /* Chain containing all defined maintenance subcommands. */ | |
155 | ||
156 | struct cmd_list_element *maintenancelist; | |
157 | ||
158 | /* Chain containing all defined "maintenance info" subcommands. */ | |
159 | ||
160 | struct cmd_list_element *maintenanceinfolist; | |
161 | ||
162 | /* Chain containing all defined "maintenance print" subcommands. */ | |
163 | ||
164 | struct cmd_list_element *maintenanceprintlist; | |
165 | ||
166 | struct cmd_list_element *setprintlist; | |
167 | ||
168 | struct cmd_list_element *showprintlist; | |
169 | ||
170 | struct cmd_list_element *setdebuglist; | |
171 | ||
172 | struct cmd_list_element *showdebuglist; | |
173 | ||
174 | struct cmd_list_element *setchecklist; | |
175 | ||
176 | struct cmd_list_element *showchecklist; | |
177 | \f | |
178 | /* Utility used everywhere when at least one argument is needed and | |
179 | none is supplied. */ | |
180 | ||
181 | void | |
182 | error_no_arg (char *why) | |
183 | { | |
184 | error ("Argument required (%s).", why); | |
185 | } | |
186 | ||
187 | /* The "info" command is defined as a prefix, with allow_unknown = 0. | |
188 | Therefore, its own definition is called only for "info" with no args. */ | |
189 | ||
d318976c FN |
190 | static void |
191 | info_command (char *arg, int from_tty) | |
192 | { | |
193 | printf_unfiltered ("\"info\" must be followed by the name of an info command.\n"); | |
194 | help_list (infolist, "info ", -1, gdb_stdout); | |
195 | } | |
196 | ||
197 | /* The "show" command with no arguments shows all the settings. */ | |
198 | ||
d318976c FN |
199 | static void |
200 | show_command (char *arg, int from_tty) | |
201 | { | |
202 | cmd_show_list (showlist, from_tty, ""); | |
203 | } | |
204 | \f | |
205 | /* Provide documentation on command or list given by COMMAND. FROM_TTY | |
206 | is ignored. */ | |
207 | ||
d318976c FN |
208 | static void |
209 | help_command (char *command, int from_tty) | |
210 | { | |
211 | help_cmd (command, gdb_stdout); | |
212 | } | |
213 | \f | |
83d31a92 TT |
214 | /* String compare function for qsort. */ |
215 | static int | |
216 | compare_strings (const void *arg1, const void *arg2) | |
217 | { | |
218 | const char **s1 = (const char **) arg1; | |
219 | const char **s2 = (const char **) arg2; | |
220 | return strcmp (*s1, *s2); | |
221 | } | |
222 | ||
d318976c FN |
223 | /* The "complete" command is used by Emacs to implement completion. */ |
224 | ||
d318976c FN |
225 | static void |
226 | complete_command (char *arg, int from_tty) | |
227 | { | |
228 | int i; | |
229 | int argpoint; | |
d9b52655 | 230 | char **completions, *point, *arg_prefix; |
d318976c FN |
231 | |
232 | dont_repeat (); | |
233 | ||
234 | if (arg == NULL) | |
235 | arg = ""; | |
236 | argpoint = strlen (arg); | |
237 | ||
d9b52655 DJ |
238 | /* complete_line assumes that its first argument is somewhere within, |
239 | and except for filenames at the beginning of, the word to be completed. | |
240 | The following crude imitation of readline's word-breaking tries to | |
241 | accomodate this. */ | |
242 | point = arg + argpoint; | |
243 | while (point > arg) | |
244 | { | |
245 | if (strchr (rl_completer_word_break_characters, point[-1]) != 0) | |
246 | break; | |
247 | point--; | |
248 | } | |
249 | ||
250 | arg_prefix = alloca (point - arg + 1); | |
251 | memcpy (arg_prefix, arg, point - arg); | |
252 | arg_prefix[point - arg] = 0; | |
253 | ||
254 | completions = complete_line (point, arg, argpoint); | |
83d31a92 TT |
255 | |
256 | if (completions) | |
d318976c | 257 | { |
83d31a92 TT |
258 | int item, size; |
259 | ||
260 | for (size = 0; completions[size]; ++size) | |
261 | ; | |
262 | qsort (completions, size, sizeof (char *), compare_strings); | |
263 | ||
264 | /* We do extra processing here since we only want to print each | |
265 | unique item once. */ | |
266 | item = 0; | |
267 | while (item < size) | |
268 | { | |
269 | int next_item; | |
d9b52655 | 270 | printf_unfiltered ("%s%s\n", arg_prefix, completions[item]); |
83d31a92 TT |
271 | next_item = item + 1; |
272 | while (next_item < size | |
273 | && ! strcmp (completions[item], completions[next_item])) | |
274 | { | |
275 | xfree (completions[next_item]); | |
276 | ++next_item; | |
277 | } | |
278 | ||
279 | xfree (completions[item]); | |
280 | item = next_item; | |
281 | } | |
282 | ||
283 | xfree (completions); | |
d318976c FN |
284 | } |
285 | } | |
286 | ||
bbaca940 AC |
287 | int |
288 | is_complete_command (struct cmd_list_element *c) | |
d318976c | 289 | { |
bbaca940 | 290 | return cmd_cfunc_eq (c, complete_command); |
d318976c FN |
291 | } |
292 | ||
d318976c FN |
293 | static void |
294 | show_version (char *args, int from_tty) | |
295 | { | |
296 | immediate_quit++; | |
297 | print_gdb_version (gdb_stdout); | |
298 | printf_filtered ("\n"); | |
299 | immediate_quit--; | |
300 | } | |
301 | ||
302 | /* Handle the quit command. */ | |
303 | ||
304 | void | |
305 | quit_command (char *args, int from_tty) | |
306 | { | |
307 | if (!quit_confirm ()) | |
308 | error ("Not confirmed."); | |
309 | quit_force (args, from_tty); | |
310 | } | |
311 | ||
d318976c FN |
312 | static void |
313 | pwd_command (char *args, int from_tty) | |
314 | { | |
315 | if (args) | |
316 | error ("The \"pwd\" command does not take an argument: %s", args); | |
317 | getcwd (gdb_dirbuf, sizeof (gdb_dirbuf)); | |
318 | ||
6314a349 | 319 | if (strcmp (gdb_dirbuf, current_directory) != 0) |
d318976c FN |
320 | printf_unfiltered ("Working directory %s\n (canonically %s).\n", |
321 | current_directory, gdb_dirbuf); | |
322 | else | |
323 | printf_unfiltered ("Working directory %s.\n", current_directory); | |
324 | } | |
325 | ||
326 | void | |
327 | cd_command (char *dir, int from_tty) | |
328 | { | |
329 | int len; | |
330 | /* Found something other than leading repetitions of "/..". */ | |
331 | int found_real_path; | |
332 | char *p; | |
333 | ||
334 | /* If the new directory is absolute, repeat is a no-op; if relative, | |
335 | repeat might be useful but is more likely to be a mistake. */ | |
336 | dont_repeat (); | |
337 | ||
338 | if (dir == 0) | |
339 | error_no_arg ("new working directory"); | |
340 | ||
341 | dir = tilde_expand (dir); | |
b8c9b27d | 342 | make_cleanup (xfree, dir); |
d318976c FN |
343 | |
344 | if (chdir (dir) < 0) | |
345 | perror_with_name (dir); | |
346 | ||
c3690141 | 347 | #ifdef HAVE_DOS_BASED_FILE_SYSTEM |
d318976c FN |
348 | /* There's too much mess with DOSish names like "d:", "d:.", |
349 | "d:./foo" etc. Instead of having lots of special #ifdef'ed code, | |
350 | simply get the canonicalized name of the current directory. */ | |
351 | dir = getcwd (gdb_dirbuf, sizeof (gdb_dirbuf)); | |
352 | #endif | |
353 | ||
354 | len = strlen (dir); | |
fe4e3eb8 | 355 | if (IS_DIR_SEPARATOR (dir[len - 1])) |
d318976c FN |
356 | { |
357 | /* Remove the trailing slash unless this is a root directory | |
358 | (including a drive letter on non-Unix systems). */ | |
359 | if (!(len == 1) /* "/" */ | |
c3690141 | 360 | #ifdef HAVE_DOS_BASED_FILE_SYSTEM |
fe4e3eb8 | 361 | && !(len == 3 && dir[1] == ':') /* "d:/" */ |
d318976c FN |
362 | #endif |
363 | ) | |
364 | len--; | |
365 | } | |
366 | ||
367 | dir = savestring (dir, len); | |
fe4e3eb8 | 368 | if (IS_ABSOLUTE_PATH (dir)) |
d318976c FN |
369 | current_directory = dir; |
370 | else | |
371 | { | |
fe4e3eb8 | 372 | if (IS_DIR_SEPARATOR (current_directory[strlen (current_directory) - 1])) |
d318976c FN |
373 | current_directory = concat (current_directory, dir, NULL); |
374 | else | |
375 | current_directory = concat (current_directory, SLASH_STRING, dir, NULL); | |
b8c9b27d | 376 | xfree (dir); |
d318976c FN |
377 | } |
378 | ||
379 | /* Now simplify any occurrences of `.' and `..' in the pathname. */ | |
380 | ||
381 | found_real_path = 0; | |
382 | for (p = current_directory; *p;) | |
383 | { | |
fe4e3eb8 EZ |
384 | if (IS_DIR_SEPARATOR (p[0]) && p[1] == '.' |
385 | && (p[2] == 0 || IS_DIR_SEPARATOR (p[2]))) | |
d318976c | 386 | strcpy (p, p + 2); |
fe4e3eb8 EZ |
387 | else if (IS_DIR_SEPARATOR (p[0]) && p[1] == '.' && p[2] == '.' |
388 | && (p[3] == 0 || IS_DIR_SEPARATOR (p[3]))) | |
d318976c FN |
389 | { |
390 | if (found_real_path) | |
391 | { | |
392 | /* Search backwards for the directory just before the "/.." | |
393 | and obliterate it and the "/..". */ | |
394 | char *q = p; | |
fe4e3eb8 | 395 | while (q != current_directory && !IS_DIR_SEPARATOR (q[-1])) |
d318976c FN |
396 | --q; |
397 | ||
398 | if (q == current_directory) | |
399 | /* current_directory is | |
400 | a relative pathname ("can't happen"--leave it alone). */ | |
401 | ++p; | |
402 | else | |
403 | { | |
404 | strcpy (q - 1, p + 3); | |
405 | p = q - 1; | |
406 | } | |
407 | } | |
408 | else | |
409 | /* We are dealing with leading repetitions of "/..", for example | |
410 | "/../..", which is the Mach super-root. */ | |
411 | p += 3; | |
412 | } | |
413 | else | |
414 | { | |
415 | found_real_path = 1; | |
416 | ++p; | |
417 | } | |
418 | } | |
419 | ||
420 | forget_cached_source_info (); | |
421 | ||
422 | if (from_tty) | |
423 | pwd_command ((char *) 0, 1); | |
424 | } | |
425 | \f | |
426 | void | |
427 | source_command (char *args, int from_tty) | |
428 | { | |
429 | FILE *stream; | |
430 | struct cleanup *old_cleanups; | |
431 | char *file = args; | |
432 | ||
433 | if (file == NULL) | |
434 | { | |
435 | error ("source command requires pathname of file to source."); | |
436 | } | |
437 | ||
438 | file = tilde_expand (file); | |
b8c9b27d | 439 | old_cleanups = make_cleanup (xfree, file); |
d318976c FN |
440 | |
441 | stream = fopen (file, FOPEN_RT); | |
442 | if (!stream) | |
443 | { | |
444 | if (from_tty) | |
445 | perror_with_name (file); | |
446 | else | |
447 | return; | |
448 | } | |
449 | ||
450 | script_from_file (stream, file); | |
451 | ||
452 | do_cleanups (old_cleanups); | |
453 | } | |
454 | ||
d318976c FN |
455 | static void |
456 | echo_command (char *text, int from_tty) | |
457 | { | |
458 | char *p = text; | |
d5b5ac79 | 459 | int c; |
d318976c FN |
460 | |
461 | if (text) | |
462 | while ((c = *p++) != '\0') | |
463 | { | |
464 | if (c == '\\') | |
465 | { | |
466 | /* \ at end of argument is used after spaces | |
467 | so they won't be lost. */ | |
468 | if (*p == 0) | |
469 | return; | |
470 | ||
471 | c = parse_escape (&p); | |
472 | if (c >= 0) | |
473 | printf_filtered ("%c", c); | |
474 | } | |
475 | else | |
476 | printf_filtered ("%c", c); | |
477 | } | |
478 | ||
479 | /* Force this output to appear now. */ | |
480 | wrap_here (""); | |
481 | gdb_flush (gdb_stdout); | |
482 | } | |
483 | ||
d318976c FN |
484 | static void |
485 | shell_escape (char *arg, int from_tty) | |
486 | { | |
487 | #ifdef CANT_FORK | |
488 | /* If ARG is NULL, they want an inferior shell, but `system' just | |
489 | reports if the shell is available when passed a NULL arg. */ | |
490 | int rc = system (arg ? arg : ""); | |
491 | ||
492 | if (!arg) | |
493 | arg = "inferior shell"; | |
494 | ||
495 | if (rc == -1) | |
496 | { | |
497 | fprintf_unfiltered (gdb_stderr, "Cannot execute %s: %s\n", arg, | |
498 | safe_strerror (errno)); | |
499 | gdb_flush (gdb_stderr); | |
500 | } | |
501 | else if (rc) | |
502 | { | |
503 | fprintf_unfiltered (gdb_stderr, "%s exited with status %d\n", arg, rc); | |
504 | gdb_flush (gdb_stderr); | |
505 | } | |
2584159e | 506 | #ifdef GLOBAL_CURDIR |
d318976c FN |
507 | /* Make sure to return to the directory GDB thinks it is, in case the |
508 | shell command we just ran changed it. */ | |
509 | chdir (current_directory); | |
510 | #endif | |
511 | #else /* Can fork. */ | |
512 | int rc, status, pid; | |
d318976c | 513 | |
325ed089 | 514 | if ((pid = vfork ()) == 0) |
d318976c | 515 | { |
30e94205 DJ |
516 | char *p, *user_shell; |
517 | ||
518 | if ((user_shell = (char *) getenv ("SHELL")) == NULL) | |
519 | user_shell = "/bin/sh"; | |
520 | ||
521 | /* Get the name of the shell for arg0 */ | |
522 | if ((p = strrchr (user_shell, '/')) == NULL) | |
523 | p = user_shell; | |
524 | else | |
525 | p++; /* Get past '/' */ | |
526 | ||
d318976c | 527 | if (!arg) |
36662fde | 528 | execl (user_shell, p, (char *) 0); |
d318976c | 529 | else |
36662fde | 530 | execl (user_shell, p, "-c", arg, (char *) 0); |
d318976c FN |
531 | |
532 | fprintf_unfiltered (gdb_stderr, "Cannot execute %s: %s\n", user_shell, | |
533 | safe_strerror (errno)); | |
534 | gdb_flush (gdb_stderr); | |
535 | _exit (0177); | |
536 | } | |
537 | ||
538 | if (pid != -1) | |
539 | while ((rc = wait (&status)) != pid && rc != -1) | |
540 | ; | |
541 | else | |
542 | error ("Fork failed"); | |
543 | #endif /* Can fork. */ | |
544 | } | |
545 | ||
0378c332 FN |
546 | static void |
547 | edit_command (char *arg, int from_tty) | |
548 | { | |
549 | struct symtabs_and_lines sals; | |
550 | struct symtab_and_line sal; | |
551 | struct symbol *sym; | |
552 | char *arg1; | |
553 | int cmdlen, log10; | |
554 | unsigned m; | |
555 | char *editor; | |
556 | char *p; | |
557 | ||
558 | /* Pull in the current default source line if necessary */ | |
559 | if (arg == 0) | |
53cb0458 FN |
560 | { |
561 | set_default_source_symtab_and_line (); | |
562 | sal = get_current_source_symtab_and_line (); | |
563 | } | |
0378c332 FN |
564 | |
565 | /* bare "edit" edits file with present line. */ | |
566 | ||
567 | if (arg == 0) | |
568 | { | |
569 | if (sal.symtab == 0) | |
570 | error ("No default source file yet."); | |
571 | sal.line += get_lines_to_list () / 2; | |
572 | } | |
573 | else | |
574 | { | |
575 | ||
576 | /* Now should only be one argument -- decode it in SAL */ | |
577 | ||
578 | arg1 = arg; | |
68219205 | 579 | sals = decode_line_1 (&arg1, 0, 0, 0, 0, 0); |
0378c332 FN |
580 | |
581 | if (! sals.nelts) return; /* C++ */ | |
582 | if (sals.nelts > 1) { | |
583 | ambiguous_line_spec (&sals); | |
584 | xfree (sals.sals); | |
585 | return; | |
586 | } | |
587 | ||
588 | sal = sals.sals[0]; | |
589 | xfree (sals.sals); | |
590 | ||
591 | if (*arg1) | |
592 | error ("Junk at end of line specification."); | |
593 | ||
594 | /* if line was specified by address, | |
595 | first print exactly which line, and which file. | |
596 | In this case, sal.symtab == 0 means address is outside | |
597 | of all known source files, not that user failed to give a filename. */ | |
598 | if (*arg == '*') | |
599 | { | |
600 | if (sal.symtab == 0) | |
601 | /* FIXME-32x64--assumes sal.pc fits in long. */ | |
602 | error ("No source file for address %s.", | |
bb599908 | 603 | hex_string ((unsigned long) sal.pc)); |
0378c332 FN |
604 | sym = find_pc_function (sal.pc); |
605 | if (sym) | |
606 | { | |
607 | print_address_numeric (sal.pc, 1, gdb_stdout); | |
608 | printf_filtered (" is in "); | |
de5ad195 | 609 | fputs_filtered (SYMBOL_PRINT_NAME (sym), gdb_stdout); |
0378c332 FN |
610 | printf_filtered (" (%s:%d).\n", sal.symtab->filename, sal.line); |
611 | } | |
612 | else | |
613 | { | |
614 | print_address_numeric (sal.pc, 1, gdb_stdout); | |
615 | printf_filtered (" is at %s:%d.\n", | |
616 | sal.symtab->filename, sal.line); | |
617 | } | |
618 | } | |
619 | ||
620 | /* If what was given does not imply a symtab, it must be an undebuggable | |
621 | symbol which means no source code. */ | |
622 | ||
623 | if (sal.symtab == 0) | |
624 | error ("No line number known for %s.", arg); | |
625 | } | |
626 | ||
627 | if ((editor = (char *) getenv ("EDITOR")) == NULL) | |
628 | editor = "/bin/ex"; | |
629 | ||
630 | /* Approximate base-10 log of line to 1 unit for digit count */ | |
631 | for(log10=32, m=0x80000000; !(sal.line & m) && log10>0; log10--, m=m>>1); | |
632 | log10 = 1 + (int)((log10 + (0 == ((m-1) & sal.line)))/3.32192809); | |
633 | ||
634 | cmdlen = strlen(editor) + 1 | |
635 | + (NULL == sal.symtab->dirname ? 0 : strlen(sal.symtab->dirname) + 1) | |
636 | + (NULL == sal.symtab->filename? 0 : strlen(sal.symtab->filename)+ 1) | |
637 | + log10 + 2; | |
638 | ||
639 | p = xmalloc(cmdlen); | |
640 | sprintf(p,"%s +%d %s%s",editor,sal.line, | |
641 | (NULL == sal.symtab->dirname ? "./" : | |
642 | (NULL != sal.symtab->filename && *(sal.symtab->filename) != '/') ? | |
643 | sal.symtab->dirname : ""), | |
644 | (NULL == sal.symtab->filename ? "unknown" : sal.symtab->filename) | |
645 | ); | |
646 | shell_escape(p, from_tty); | |
647 | ||
648 | xfree(p); | |
649 | } | |
650 | ||
651 | static void | |
652 | list_command (char *arg, int from_tty) | |
653 | { | |
654 | struct symtabs_and_lines sals, sals_end; | |
655 | struct symtab_and_line sal, sal_end, cursal; | |
656 | struct symbol *sym; | |
657 | char *arg1; | |
658 | int no_end = 1; | |
659 | int dummy_end = 0; | |
660 | int dummy_beg = 0; | |
661 | int linenum_beg = 0; | |
662 | char *p; | |
663 | ||
664 | /* Pull in the current default source line if necessary */ | |
665 | if (arg == 0 || arg[0] == '+' || arg[0] == '-') | |
53cb0458 FN |
666 | { |
667 | set_default_source_symtab_and_line (); | |
668 | cursal = get_current_source_symtab_and_line (); | |
669 | } | |
0378c332 FN |
670 | |
671 | /* "l" or "l +" lists next ten lines. */ | |
672 | ||
6314a349 | 673 | if (arg == 0 || strcmp (arg, "+") == 0) |
0378c332 FN |
674 | { |
675 | print_source_lines (cursal.symtab, cursal.line, | |
676 | cursal.line + get_lines_to_list (), 0); | |
677 | return; | |
678 | } | |
679 | ||
680 | /* "l -" lists previous ten lines, the ones before the ten just listed. */ | |
6314a349 | 681 | if (strcmp (arg, "-") == 0) |
0378c332 FN |
682 | { |
683 | print_source_lines (cursal.symtab, | |
684 | max (get_first_line_listed () - get_lines_to_list (), 1), | |
685 | get_first_line_listed (), 0); | |
686 | return; | |
687 | } | |
688 | ||
689 | /* Now if there is only one argument, decode it in SAL | |
690 | and set NO_END. | |
691 | If there are two arguments, decode them in SAL and SAL_END | |
692 | and clear NO_END; however, if one of the arguments is blank, | |
693 | set DUMMY_BEG or DUMMY_END to record that fact. */ | |
694 | ||
695 | if (!have_full_symbols () && !have_partial_symbols ()) | |
696 | error ("No symbol table is loaded. Use the \"file\" command."); | |
697 | ||
698 | arg1 = arg; | |
699 | if (*arg1 == ',') | |
700 | dummy_beg = 1; | |
701 | else | |
702 | { | |
68219205 | 703 | sals = decode_line_1 (&arg1, 0, 0, 0, 0, 0); |
0378c332 FN |
704 | |
705 | if (!sals.nelts) | |
706 | return; /* C++ */ | |
707 | if (sals.nelts > 1) | |
708 | { | |
709 | ambiguous_line_spec (&sals); | |
710 | xfree (sals.sals); | |
711 | return; | |
712 | } | |
713 | ||
714 | sal = sals.sals[0]; | |
715 | xfree (sals.sals); | |
716 | } | |
717 | ||
718 | /* Record whether the BEG arg is all digits. */ | |
719 | ||
720 | for (p = arg; p != arg1 && *p >= '0' && *p <= '9'; p++); | |
721 | linenum_beg = (p == arg1); | |
722 | ||
723 | while (*arg1 == ' ' || *arg1 == '\t') | |
724 | arg1++; | |
725 | if (*arg1 == ',') | |
726 | { | |
727 | no_end = 0; | |
728 | arg1++; | |
729 | while (*arg1 == ' ' || *arg1 == '\t') | |
730 | arg1++; | |
731 | if (*arg1 == 0) | |
732 | dummy_end = 1; | |
733 | else | |
734 | { | |
735 | if (dummy_beg) | |
68219205 | 736 | sals_end = decode_line_1 (&arg1, 0, 0, 0, 0, 0); |
0378c332 | 737 | else |
68219205 | 738 | sals_end = decode_line_1 (&arg1, 0, sal.symtab, sal.line, 0, 0); |
0378c332 FN |
739 | if (sals_end.nelts == 0) |
740 | return; | |
741 | if (sals_end.nelts > 1) | |
742 | { | |
743 | ambiguous_line_spec (&sals_end); | |
744 | xfree (sals_end.sals); | |
745 | return; | |
746 | } | |
747 | sal_end = sals_end.sals[0]; | |
748 | xfree (sals_end.sals); | |
749 | } | |
750 | } | |
751 | ||
752 | if (*arg1) | |
753 | error ("Junk at end of line specification."); | |
754 | ||
755 | if (!no_end && !dummy_beg && !dummy_end | |
756 | && sal.symtab != sal_end.symtab) | |
757 | error ("Specified start and end are in different files."); | |
758 | if (dummy_beg && dummy_end) | |
759 | error ("Two empty args do not say what lines to list."); | |
760 | ||
761 | /* if line was specified by address, | |
762 | first print exactly which line, and which file. | |
763 | In this case, sal.symtab == 0 means address is outside | |
764 | of all known source files, not that user failed to give a filename. */ | |
765 | if (*arg == '*') | |
766 | { | |
767 | if (sal.symtab == 0) | |
768 | /* FIXME-32x64--assumes sal.pc fits in long. */ | |
769 | error ("No source file for address %s.", | |
bb599908 | 770 | hex_string ((unsigned long) sal.pc)); |
0378c332 FN |
771 | sym = find_pc_function (sal.pc); |
772 | if (sym) | |
773 | { | |
774 | print_address_numeric (sal.pc, 1, gdb_stdout); | |
775 | printf_filtered (" is in "); | |
de5ad195 | 776 | fputs_filtered (SYMBOL_PRINT_NAME (sym), gdb_stdout); |
0378c332 FN |
777 | printf_filtered (" (%s:%d).\n", sal.symtab->filename, sal.line); |
778 | } | |
779 | else | |
780 | { | |
781 | print_address_numeric (sal.pc, 1, gdb_stdout); | |
782 | printf_filtered (" is at %s:%d.\n", | |
783 | sal.symtab->filename, sal.line); | |
784 | } | |
785 | } | |
786 | ||
787 | /* If line was not specified by just a line number, | |
788 | and it does not imply a symtab, it must be an undebuggable symbol | |
789 | which means no source code. */ | |
790 | ||
791 | if (!linenum_beg && sal.symtab == 0) | |
792 | error ("No line number known for %s.", arg); | |
793 | ||
794 | /* If this command is repeated with RET, | |
795 | turn it into the no-arg variant. */ | |
796 | ||
797 | if (from_tty) | |
798 | *arg = 0; | |
799 | ||
800 | if (dummy_beg && sal_end.symtab == 0) | |
801 | error ("No default source file yet. Do \"help list\"."); | |
802 | if (dummy_beg) | |
803 | print_source_lines (sal_end.symtab, | |
804 | max (sal_end.line - (get_lines_to_list () - 1), 1), | |
805 | sal_end.line + 1, 0); | |
806 | else if (sal.symtab == 0) | |
807 | error ("No default source file yet. Do \"help list\"."); | |
808 | else if (no_end) | |
809 | { | |
810 | int first_line = sal.line - get_lines_to_list () / 2; | |
811 | ||
812 | if (first_line < 1) first_line = 1; | |
813 | ||
814 | print_source_lines (sal.symtab, | |
815 | first_line, | |
816 | first_line + get_lines_to_list (), | |
817 | 0); | |
818 | } | |
819 | else | |
820 | print_source_lines (sal.symtab, sal.line, | |
821 | (dummy_end | |
822 | ? sal.line + get_lines_to_list () | |
823 | : sal_end.line + 1), | |
824 | 0); | |
825 | } | |
826 | ||
83c31e7d FN |
827 | /* Dump a specified section of assembly code. With no command line |
828 | arguments, this command will dump the assembly code for the | |
829 | function surrounding the pc value in the selected frame. With one | |
830 | argument, it will dump the assembly code surrounding that pc value. | |
831 | Two arguments are interpeted as bounds within which to dump | |
832 | assembly. */ | |
833 | ||
83c31e7d FN |
834 | static void |
835 | disassemble_command (char *arg, int from_tty) | |
836 | { | |
837 | CORE_ADDR low, high; | |
838 | char *name; | |
839 | CORE_ADDR pc, pc_masked; | |
840 | char *space_index; | |
841 | #if 0 | |
842 | asection *section; | |
843 | #endif | |
844 | ||
845 | name = NULL; | |
846 | if (!arg) | |
847 | { | |
6e7f8b9c | 848 | if (!deprecated_selected_frame) |
83c31e7d FN |
849 | error ("No frame selected.\n"); |
850 | ||
6e7f8b9c | 851 | pc = get_frame_pc (deprecated_selected_frame); |
83c31e7d FN |
852 | if (find_pc_partial_function (pc, &name, &low, &high) == 0) |
853 | error ("No function contains program counter for selected frame.\n"); | |
854 | #if defined(TUI) | |
021e7609 AC |
855 | /* NOTE: cagney/2003-02-13 The `tui_active' was previously |
856 | `tui_version'. */ | |
22940a24 AC |
857 | if (tui_active) |
858 | /* FIXME: cagney/2004-02-07: This should be an observer. */ | |
859 | low = tui_get_low_disassembly_address (low, pc); | |
83c31e7d | 860 | #endif |
782263ab | 861 | low += DEPRECATED_FUNCTION_START_OFFSET; |
83c31e7d FN |
862 | } |
863 | else if (!(space_index = (char *) strchr (arg, ' '))) | |
864 | { | |
865 | /* One argument. */ | |
866 | pc = parse_and_eval_address (arg); | |
867 | if (find_pc_partial_function (pc, &name, &low, &high) == 0) | |
868 | error ("No function contains specified address.\n"); | |
869 | #if defined(TUI) | |
021e7609 AC |
870 | /* NOTE: cagney/2003-02-13 The `tui_active' was previously |
871 | `tui_version'. */ | |
22940a24 AC |
872 | if (tui_active) |
873 | /* FIXME: cagney/2004-02-07: This should be an observer. */ | |
874 | low = tui_get_low_disassembly_address (low, pc); | |
83c31e7d | 875 | #endif |
782263ab | 876 | low += DEPRECATED_FUNCTION_START_OFFSET; |
83c31e7d FN |
877 | } |
878 | else | |
879 | { | |
880 | /* Two arguments. */ | |
881 | *space_index = '\0'; | |
882 | low = parse_and_eval_address (arg); | |
883 | high = parse_and_eval_address (space_index + 1); | |
884 | } | |
885 | ||
886 | #if defined(TUI) | |
887 | if (!tui_is_window_visible (DISASSEM_WIN)) | |
888 | #endif | |
889 | { | |
890 | printf_filtered ("Dump of assembler code "); | |
891 | if (name != NULL) | |
892 | { | |
893 | printf_filtered ("for function %s:\n", name); | |
894 | } | |
895 | else | |
896 | { | |
897 | printf_filtered ("from "); | |
898 | print_address_numeric (low, 1, gdb_stdout); | |
899 | printf_filtered (" to "); | |
900 | print_address_numeric (high, 1, gdb_stdout); | |
901 | printf_filtered (":\n"); | |
902 | } | |
903 | ||
904 | /* Dump the specified range. */ | |
905 | gdb_disassembly (uiout, 0, 0, 0, -1, low, high); | |
906 | ||
907 | printf_filtered ("End of assembler dump.\n"); | |
908 | gdb_flush (gdb_stdout); | |
909 | } | |
910 | #if defined(TUI) | |
911 | else | |
912 | { | |
913 | tui_show_assembly (low); | |
914 | } | |
915 | #endif | |
916 | } | |
917 | ||
d318976c FN |
918 | static void |
919 | make_command (char *arg, int from_tty) | |
920 | { | |
921 | char *p; | |
922 | ||
923 | if (arg == 0) | |
924 | p = "make"; | |
925 | else | |
926 | { | |
927 | p = xmalloc (sizeof ("make ") + strlen (arg)); | |
928 | strcpy (p, "make "); | |
929 | strcpy (p + sizeof ("make ") - 1, arg); | |
930 | } | |
931 | ||
932 | shell_escape (p, from_tty); | |
933 | } | |
934 | ||
d318976c FN |
935 | static void |
936 | show_user (char *args, int from_tty) | |
937 | { | |
938 | struct cmd_list_element *c; | |
939 | extern struct cmd_list_element *cmdlist; | |
940 | ||
941 | if (args) | |
942 | { | |
943 | c = lookup_cmd (&args, cmdlist, "", 0, 1); | |
944 | if (c->class != class_user) | |
945 | error ("Not a user command."); | |
946 | show_user_1 (c, gdb_stdout); | |
947 | } | |
948 | else | |
949 | { | |
950 | for (c = cmdlist; c; c = c->next) | |
951 | { | |
952 | if (c->class == class_user) | |
953 | show_user_1 (c, gdb_stdout); | |
954 | } | |
955 | } | |
956 | } | |
957 | ||
958 | /* Search through names of commands and documentations for a certain | |
959 | regular expression. | |
960 | */ | |
961 | void | |
962 | apropos_command (char *searchstr, int from_tty) | |
963 | { | |
964 | extern struct cmd_list_element *cmdlist; /*This is the main command list*/ | |
965 | regex_t pattern; | |
966 | char *pattern_fastmap; | |
967 | char errorbuffer[512]; | |
2e94c453 | 968 | pattern_fastmap = xcalloc (256, sizeof (char)); |
d318976c FN |
969 | if (searchstr == NULL) |
970 | error("REGEXP string is empty"); | |
971 | ||
972 | if (regcomp(&pattern,searchstr,REG_ICASE) == 0) | |
973 | { | |
974 | pattern.fastmap=pattern_fastmap; | |
975 | re_compile_fastmap(&pattern); | |
976 | apropos_cmd (gdb_stdout,cmdlist,&pattern,""); | |
977 | } | |
978 | else | |
979 | { | |
980 | regerror(regcomp(&pattern,searchstr,REG_ICASE),NULL,errorbuffer,512); | |
981 | error("Error in regular expression:%s",errorbuffer); | |
982 | } | |
2b5436af | 983 | xfree (pattern_fastmap); |
d318976c FN |
984 | } |
985 | \f | |
0378c332 FN |
986 | /* Print a list of files and line numbers which a user may choose from |
987 | in order to list a function which was specified ambiguously (as with | |
988 | `list classname::overloadedfuncname', for example). The vector in | |
989 | SALS provides the filenames and line numbers. */ | |
990 | ||
991 | static void | |
992 | ambiguous_line_spec (struct symtabs_and_lines *sals) | |
993 | { | |
994 | int i; | |
995 | ||
996 | for (i = 0; i < sals->nelts; ++i) | |
997 | printf_filtered ("file: \"%s\", line number: %d\n", | |
998 | sals->sals[i].symtab->filename, sals->sals[i].line); | |
999 | } | |
1000 | ||
d318976c FN |
1001 | static void |
1002 | set_debug (char *arg, int from_tty) | |
1003 | { | |
1004 | printf_unfiltered ("\"set debug\" must be followed by the name of a print subcommand.\n"); | |
1005 | help_list (setdebuglist, "set debug ", -1, gdb_stdout); | |
1006 | } | |
1007 | ||
1008 | static void | |
1009 | show_debug (char *args, int from_tty) | |
1010 | { | |
1011 | cmd_show_list (showdebuglist, from_tty, ""); | |
1012 | } | |
1013 | ||
1014 | void | |
1015 | init_cmd_lists (void) | |
1016 | { | |
20f01a46 DH |
1017 | max_user_call_depth = 1024; |
1018 | ||
d318976c FN |
1019 | cmdlist = NULL; |
1020 | infolist = NULL; | |
1021 | enablelist = NULL; | |
1022 | disablelist = NULL; | |
1023 | togglelist = NULL; | |
1024 | stoplist = NULL; | |
1025 | deletelist = NULL; | |
1026 | enablebreaklist = NULL; | |
1027 | setlist = NULL; | |
1028 | unsetlist = NULL; | |
1029 | showlist = NULL; | |
1030 | sethistlist = NULL; | |
1031 | showhistlist = NULL; | |
1032 | unsethistlist = NULL; | |
1033 | maintenancelist = NULL; | |
1034 | maintenanceinfolist = NULL; | |
1035 | maintenanceprintlist = NULL; | |
1036 | setprintlist = NULL; | |
1037 | showprintlist = NULL; | |
1038 | setchecklist = NULL; | |
1039 | showchecklist = NULL; | |
1040 | } | |
1041 | ||
1042 | \f | |
1043 | void | |
1044 | init_cli_cmds (void) | |
1045 | { | |
1046 | struct cmd_list_element *c; | |
1047 | ||
1048 | /* Define the classes of commands. | |
1049 | They will appear in the help list in the reverse of this order. */ | |
1050 | ||
e00d1dc8 | 1051 | add_cmd ("internals", class_maintenance, NULL, |
d318976c FN |
1052 | "Maintenance commands.\n\ |
1053 | Some gdb commands are provided just for use by gdb maintainers.\n\ | |
1054 | These commands are subject to frequent change, and may not be as\n\ | |
1055 | well documented as user commands.", | |
1056 | &cmdlist); | |
e00d1dc8 AC |
1057 | add_cmd ("obscure", class_obscure, NULL, "Obscure features.", &cmdlist); |
1058 | add_cmd ("aliases", class_alias, NULL, "Aliases of other commands.", &cmdlist); | |
1059 | add_cmd ("user-defined", class_user, NULL, "User-defined commands.\n\ | |
d318976c FN |
1060 | The commands in this class are those defined by the user.\n\ |
1061 | Use the \"define\" command to define a command.", &cmdlist); | |
e00d1dc8 | 1062 | add_cmd ("support", class_support, NULL, "Support facilities.", &cmdlist); |
d318976c | 1063 | if (!dbx_commands) |
e00d1dc8 AC |
1064 | add_cmd ("status", class_info, NULL, "Status inquiries.", &cmdlist); |
1065 | add_cmd ("files", class_files, NULL, "Specifying and examining files.", &cmdlist); | |
1066 | add_cmd ("breakpoints", class_breakpoint, NULL, "Making program stop at certain points.", &cmdlist); | |
1067 | add_cmd ("data", class_vars, NULL, "Examining data.", &cmdlist); | |
1068 | add_cmd ("stack", class_stack, NULL, "Examining the stack.\n\ | |
d318976c FN |
1069 | The stack is made up of stack frames. Gdb assigns numbers to stack frames\n\ |
1070 | counting from zero for the innermost (currently executing) frame.\n\n\ | |
1071 | At any time gdb identifies one frame as the \"selected\" frame.\n\ | |
1072 | Variable lookups are done with respect to the selected frame.\n\ | |
1073 | When the program being debugged stops, gdb selects the innermost frame.\n\ | |
1074 | The commands below can be used to select other frames by number or address.", | |
1075 | &cmdlist); | |
e00d1dc8 | 1076 | add_cmd ("running", class_run, NULL, "Running the program.", &cmdlist); |
d318976c FN |
1077 | |
1078 | /* Define general commands. */ | |
1079 | ||
1080 | add_com ("pwd", class_files, pwd_command, | |
1081 | "Print working directory. This is used for your program as well."); | |
1082 | c = add_cmd ("cd", class_files, cd_command, | |
1083 | "Set working directory to DIR for debugger and program being debugged.\n\ | |
1084 | The change does not take effect for the program being debugged\n\ | |
1085 | until the next time it is started.", &cmdlist); | |
5ba2abeb | 1086 | set_cmd_completer (c, filename_completer); |
d318976c FN |
1087 | |
1088 | add_com ("echo", class_support, echo_command, | |
1089 | "Print a constant string. Give string as argument.\n\ | |
1090 | C escape sequences may be used in the argument.\n\ | |
1091 | No newline is added at the end of the argument;\n\ | |
1092 | use \"\\n\" if you want a newline to be printed.\n\ | |
1093 | Since leading and trailing whitespace are ignored in command arguments,\n\ | |
1094 | if you want to print some you must use \"\\\" before leading whitespace\n\ | |
1095 | to be printed or after trailing whitespace."); | |
1096 | add_com ("document", class_support, document_command, | |
1097 | "Document a user-defined command.\n\ | |
1098 | Give command name as argument. Give documentation on following lines.\n\ | |
1099 | End with a line of just \"end\"."); | |
1100 | add_com ("define", class_support, define_command, | |
1101 | "Define a new command name. Command name is argument.\n\ | |
1102 | Definition appears on following lines, one command per line.\n\ | |
1103 | End with a line of just \"end\".\n\ | |
1104 | Use the \"document\" command to give documentation for the new command.\n\ | |
1105 | Commands defined in this way may have up to ten arguments."); | |
1106 | ||
d318976c FN |
1107 | c = add_cmd ("source", class_support, source_command, |
1108 | "Read commands from a file named FILE.\n\ | |
1109 | Note that the file \"" GDBINIT_FILENAME "\" is read automatically in this way\n\ | |
1110 | when gdb is started.", &cmdlist); | |
5ba2abeb | 1111 | set_cmd_completer (c, filename_completer); |
d318976c FN |
1112 | |
1113 | add_com ("quit", class_support, quit_command, "Exit gdb."); | |
db60ec62 | 1114 | c = add_com ("help", class_support, help_command, "Print list of commands."); |
5ba2abeb | 1115 | set_cmd_completer (c, command_completer); |
d318976c FN |
1116 | add_com_alias ("q", "quit", class_support, 1); |
1117 | add_com_alias ("h", "help", class_support, 1); | |
1118 | ||
1119 | c = add_set_cmd ("verbose", class_support, var_boolean, (char *) &info_verbose, | |
1120 | "Set ", | |
1121 | &setlist), | |
cb1a6d5f | 1122 | deprecated_add_show_from_set (c, &showlist); |
9f60d481 | 1123 | set_cmd_sfunc (c, set_verbose); |
d318976c FN |
1124 | set_verbose (NULL, 0, c); |
1125 | ||
1126 | add_prefix_cmd ("history", class_support, set_history, | |
1127 | "Generic command for setting command history parameters.", | |
1128 | &sethistlist, "set history ", 0, &setlist); | |
1129 | add_prefix_cmd ("history", class_support, show_history, | |
1130 | "Generic command for showing command history parameters.", | |
1131 | &showhistlist, "show history ", 0, &showlist); | |
1132 | ||
cb1a6d5f | 1133 | deprecated_add_show_from_set |
d318976c FN |
1134 | (add_set_cmd ("expansion", no_class, var_boolean, (char *) &history_expansion_p, |
1135 | "Set history expansion on command input.\n\ | |
1136 | Without an argument, history expansion is enabled.", &sethistlist), | |
1137 | &showhistlist); | |
1138 | ||
1139 | add_prefix_cmd ("info", class_info, info_command, | |
1140 | "Generic command for showing things about the program being debugged.", | |
1141 | &infolist, "info ", 0, &cmdlist); | |
1142 | add_com_alias ("i", "info", class_info, 1); | |
1143 | ||
1144 | add_com ("complete", class_obscure, complete_command, | |
1145 | "List the completions for the rest of the line as a command."); | |
1146 | ||
1147 | add_prefix_cmd ("show", class_info, show_command, | |
1148 | "Generic command for showing things about the debugger.", | |
1149 | &showlist, "show ", 0, &cmdlist); | |
1150 | /* Another way to get at the same thing. */ | |
1151 | add_info ("set", show_command, "Show all GDB settings."); | |
1152 | ||
1153 | add_cmd ("commands", no_class, show_commands, | |
1154 | "Show the history of commands you typed.\n\ | |
1155 | You can supply a command number to start with, or a `+' to start after\n\ | |
1156 | the previous command number shown.", | |
1157 | &showlist); | |
1158 | ||
1159 | add_cmd ("version", no_class, show_version, | |
1160 | "Show what version of GDB this is.", &showlist); | |
1161 | ||
1162 | add_com ("while", class_support, while_command, | |
1163 | "Execute nested commands WHILE the conditional expression is non zero.\n\ | |
1164 | The conditional expression must follow the word `while' and must in turn be\n\ | |
1165 | followed by a new line. The nested commands must be entered one per line,\n\ | |
1166 | and should be terminated by the word `end'."); | |
1167 | ||
1168 | add_com ("if", class_support, if_command, | |
1169 | "Execute nested commands once IF the conditional expression is non zero.\n\ | |
1170 | The conditional expression must follow the word `if' and must in turn be\n\ | |
1171 | followed by a new line. The nested commands must be entered one per line,\n\ | |
1172 | and should be terminated by the word 'else' or `end'. If an else clause\n\ | |
1173 | is used, the same rules apply to its nested commands as to the first ones."); | |
1174 | ||
1175 | /* If target is open when baud changes, it doesn't take effect until the | |
1176 | next open (I think, not sure). */ | |
cb1a6d5f AC |
1177 | deprecated_add_show_from_set |
1178 | (add_set_cmd ("remotebaud", no_class, | |
1179 | var_zinteger, (char *) &baud_rate, | |
1180 | "Set baud rate for remote serial I/O.\n\ | |
d318976c FN |
1181 | This value is used to set the speed of the serial port when debugging\n\ |
1182 | using remote targets.", &setlist), | |
1183 | &showlist); | |
1184 | ||
1185 | c = add_set_cmd ("remotedebug", no_class, var_zinteger, | |
1186 | (char *) &remote_debug, | |
1187 | "Set debugging of remote protocol.\n\ | |
1188 | When enabled, each packet sent or received with the remote target\n\ | |
1189 | is displayed.", &setlist); | |
1190 | deprecate_cmd (c, "set debug remote"); | |
cb1a6d5f AC |
1191 | deprecate_cmd (deprecated_add_show_from_set (c, &showlist), |
1192 | "show debug remote"); | |
d318976c | 1193 | |
cb1a6d5f AC |
1194 | deprecated_add_show_from_set |
1195 | (add_set_cmd ("remote", no_class, var_zinteger, | |
1196 | (char *) &remote_debug, | |
1197 | "Set debugging of remote protocol.\n\ | |
d318976c FN |
1198 | When enabled, each packet sent or received with the remote target\n\ |
1199 | is displayed.", &setdebuglist), | |
1200 | &showdebuglist); | |
1201 | ||
cb1a6d5f AC |
1202 | deprecated_add_show_from_set |
1203 | (add_set_cmd ("remotetimeout", no_class, var_integer, (char *) &remote_timeout, | |
1204 | "Set timeout limit to wait for target to respond.\n\ | |
d318976c FN |
1205 | This value is used to set the time limit for gdb to wait for a response\n\ |
1206 | from the target.", &setlist), | |
cb1a6d5f | 1207 | &showlist); |
d318976c FN |
1208 | |
1209 | add_prefix_cmd ("debug", no_class, set_debug, | |
1210 | "Generic command for setting gdb debugging flags", | |
1211 | &setdebuglist, "set debug ", 0, &setlist); | |
1212 | ||
1213 | add_prefix_cmd ("debug", no_class, show_debug, | |
1214 | "Generic command for showing gdb debugging flags", | |
1215 | &showdebuglist, "show debug ", 0, &showlist); | |
1216 | ||
fa58ee11 | 1217 | c = add_com ("shell", class_support, shell_escape, |
d4654627 | 1218 | "Execute the rest of the line as a shell command.\n\ |
d318976c | 1219 | With no arguments, run an inferior shell."); |
5ba2abeb | 1220 | set_cmd_completer (c, filename_completer); |
d318976c | 1221 | |
0378c332 FN |
1222 | c = add_com ("edit", class_files, edit_command, |
1223 | concat ("Edit specified file or function.\n\ | |
1224 | With no argument, edits file containing most recent line listed.\n\ | |
1225 | ", "\ | |
1226 | Editing targets can be specified in these ways:\n\ | |
1227 | FILE:LINENUM, to edit at that line in that file,\n\ | |
1228 | FUNCTION, to edit at the beginning of that function,\n\ | |
1229 | FILE:FUNCTION, to distinguish among like-named static functions.\n\ | |
1230 | *ADDRESS, to edit at the line containing that address.\n\ | |
1231 | Uses EDITOR environment variable contents as editor (or ex as default).",NULL)); | |
1232 | ||
1233 | c->completer = location_completer; | |
1234 | ||
1235 | add_com ("list", class_files, list_command, | |
1236 | concat ("List specified function or line.\n\ | |
1237 | With no argument, lists ten more lines after or around previous listing.\n\ | |
1238 | \"list -\" lists the ten lines before a previous ten-line listing.\n\ | |
1239 | One argument specifies a line, and ten lines are listed around that line.\n\ | |
1240 | Two arguments with comma between specify starting and ending lines to list.\n\ | |
1241 | ", "\ | |
1242 | Lines can be specified in these ways:\n\ | |
1243 | LINENUM, to list around that line in current file,\n\ | |
1244 | FILE:LINENUM, to list around that line in that file,\n\ | |
1245 | FUNCTION, to list around beginning of that function,\n\ | |
1246 | FILE:FUNCTION, to distinguish among like-named static functions.\n\ | |
1247 | *ADDRESS, to list around the line containing that address.\n\ | |
1248 | With two args if one is empty it stands for ten lines away from the other arg.", NULL)); | |
1249 | ||
1250 | if (!xdb_commands) | |
1251 | add_com_alias ("l", "list", class_files, 1); | |
1252 | else | |
1253 | add_com_alias ("v", "list", class_files, 1); | |
1254 | ||
1255 | if (dbx_commands) | |
1256 | add_com_alias ("file", "list", class_files, 1); | |
1257 | ||
83c31e7d FN |
1258 | c = add_com ("disassemble", class_vars, disassemble_command, |
1259 | "Disassemble a specified section of memory.\n\ | |
1260 | Default is the function surrounding the pc of the selected frame.\n\ | |
1261 | With a single argument, the function surrounding that address is dumped.\n\ | |
1262 | Two arguments are taken as a range of memory to dump."); | |
1263 | set_cmd_completer (c, location_completer); | |
1264 | if (xdb_commands) | |
1265 | add_com_alias ("va", "disassemble", class_xdb, 0); | |
0378c332 | 1266 | |
d318976c FN |
1267 | /* NOTE: cagney/2000-03-20: Being able to enter ``(gdb) !ls'' would |
1268 | be a really useful feature. Unfortunately, the below wont do | |
1269 | this. Instead it adds support for the form ``(gdb) ! ls'' | |
1270 | (i.e. the space is required). If the ``!'' command below is | |
1271 | added the complains about no ``!'' command would be replaced by | |
1272 | complains about how the ``!'' command is broken :-) */ | |
1273 | if (xdb_commands) | |
1274 | add_com_alias ("!", "shell", class_support, 0); | |
1275 | ||
fa58ee11 EZ |
1276 | c = add_com ("make", class_support, make_command, |
1277 | "Run the ``make'' program using the rest of the line as arguments."); | |
5ba2abeb | 1278 | set_cmd_completer (c, filename_completer); |
d318976c FN |
1279 | add_cmd ("user", no_class, show_user, |
1280 | "Show definitions of user defined commands.\n\ | |
1281 | Argument is the name of the user defined command.\n\ | |
1282 | With no argument, show definitions of all user defined commands.", &showlist); | |
1283 | add_com ("apropos", class_support, apropos_command, "Search for commands matching a REGEXP"); | |
20f01a46 | 1284 | |
cb1a6d5f AC |
1285 | deprecated_add_show_from_set |
1286 | (add_set_cmd ("max-user-call-depth", no_class, var_integer, | |
1287 | (char *) &max_user_call_depth, | |
1288 | "Set the max call depth for user-defined commands.\n", | |
1289 | &setlist), | |
1290 | &showlist); | |
d318976c | 1291 | } |