3 Copyright (C) 2000-2015 Free Software Foundation, Inc.
5 This file is part of GDB.
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 3 of the License, or
10 (at your option) any later version.
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.
17 You should have received a copy of the GNU General Public License
18 along with this program. If not, see <http://www.gnu.org/licenses/>. */
21 #include "arch-utils.h"
22 #include "dyn-string.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_vfork.h"
31 #include "expression.h"
35 #include "filenames.h" /* For DOSish file names. */
39 #include "tracepoint.h"
40 #include "filestuff.h"
46 #include "cli/cli-decode.h"
47 #include "cli/cli-script.h"
48 #include "cli/cli-setshow.h"
49 #include "cli/cli-cmds.h"
50 #include "cli/cli-utils.h"
52 #include "extension.h"
55 #include "tui/tui.h" /* For tui_active et.al. */
60 /* Prototypes for local command functions */
62 static void complete_command (char *, int);
64 static void echo_command (char *, int);
66 static void pwd_command (char *, int);
68 static void show_version (char *, int);
70 static void help_command (char *, int);
72 static void show_command (char *, int);
74 static void info_command (char *, int);
76 static void show_debug (char *, int);
78 static void set_debug (char *, int);
80 static void show_user (char *, int);
82 static void make_command (char *, int);
84 static void shell_escape (char *, int);
86 static void edit_command (char *, int);
88 static void list_command (char *, int);
90 /* Prototypes for local utility functions */
92 static void ambiguous_line_spec (struct symtabs_and_lines *);
94 static void filter_sals (struct symtabs_and_lines *);
97 /* Limit the call depth of user-defined commands */
98 unsigned int max_user_call_depth;
100 /* Define all cmd_list_elements. */
102 /* Chain containing all defined commands. */
104 struct cmd_list_element *cmdlist;
106 /* Chain containing all defined info subcommands. */
108 struct cmd_list_element *infolist;
110 /* Chain containing all defined enable subcommands. */
112 struct cmd_list_element *enablelist;
114 /* Chain containing all defined disable subcommands. */
116 struct cmd_list_element *disablelist;
118 /* Chain containing all defined stop subcommands. */
120 struct cmd_list_element *stoplist;
122 /* Chain containing all defined delete subcommands. */
124 struct cmd_list_element *deletelist;
126 /* Chain containing all defined detach subcommands. */
128 struct cmd_list_element *detachlist;
130 /* Chain containing all defined kill subcommands. */
132 struct cmd_list_element *killlist;
134 /* Chain containing all defined set subcommands */
136 struct cmd_list_element *setlist;
138 /* Chain containing all defined unset subcommands */
140 struct cmd_list_element *unsetlist;
142 /* Chain containing all defined show subcommands. */
144 struct cmd_list_element *showlist;
146 /* Chain containing all defined \"set history\". */
148 struct cmd_list_element *sethistlist;
150 /* Chain containing all defined \"show history\". */
152 struct cmd_list_element *showhistlist;
154 /* Chain containing all defined \"unset history\". */
156 struct cmd_list_element *unsethistlist;
158 /* Chain containing all defined maintenance subcommands. */
160 struct cmd_list_element *maintenancelist;
162 /* Chain containing all defined "maintenance info" subcommands. */
164 struct cmd_list_element *maintenanceinfolist;
166 /* Chain containing all defined "maintenance print" subcommands. */
168 struct cmd_list_element *maintenanceprintlist;
170 struct cmd_list_element *setprintlist;
172 struct cmd_list_element *showprintlist;
174 struct cmd_list_element *setdebuglist;
176 struct cmd_list_element *showdebuglist;
178 struct cmd_list_element *setchecklist;
180 struct cmd_list_element *showchecklist;
182 /* Command tracing state. */
184 int source_verbose = 0;
185 int trace_commands = 0;
187 /* 'script-extension' option support. */
189 static const char script_ext_off[] = "off";
190 static const char script_ext_soft[] = "soft";
191 static const char script_ext_strict[] = "strict";
193 static const char *const script_ext_enums[] = {
200 static const char *script_ext_mode = script_ext_soft;
202 /* Utility used everywhere when at least one argument is needed and
206 error_no_arg (const char *why)
208 error (_("Argument required (%s)."), why);
211 /* The "info" command is defined as a prefix, with allow_unknown = 0.
212 Therefore, its own definition is called only for "info" with no
216 info_command (char *arg, int from_tty)
218 printf_unfiltered (_("\"info\" must be followed by "
219 "the name of an info command.\n"));
220 help_list (infolist, "info ", all_commands, gdb_stdout);
223 /* The "show" command with no arguments shows all the settings. */
226 show_command (char *arg, int from_tty)
228 cmd_show_list (showlist, from_tty, "");
231 /* Provide documentation on command or list given by COMMAND. FROM_TTY
235 help_command (char *command, int from_tty)
237 help_cmd (command, gdb_stdout);
240 /* Note: The "complete" command is used by Emacs to implement completion.
241 [Is that why this function writes output with *_unfiltered?] */
244 complete_command (char *arg, int from_tty)
247 char *point, *arg_prefix;
248 VEC (char_ptr) *completions;
252 if (max_completions == 0)
254 /* Only print this for non-mi frontends. An MI frontend may not
255 be able to handle this. */
256 if (!ui_out_is_mi_like_p (current_uiout))
258 printf_unfiltered (_("max-completions is zero,"
259 " completion is disabled.\n"));
266 argpoint = strlen (arg);
268 /* complete_line assumes that its first argument is somewhere
269 within, and except for filenames at the beginning of, the word to
270 be completed. The following crude imitation of readline's
271 word-breaking tries to accomodate this. */
272 point = arg + argpoint;
275 if (strchr (rl_completer_word_break_characters, point[-1]) != 0)
280 arg_prefix = (char *) alloca (point - arg + 1);
281 memcpy (arg_prefix, arg, point - arg);
282 arg_prefix[point - arg] = 0;
284 completions = complete_line (point, arg, argpoint);
288 int ix, size = VEC_length (char_ptr, completions);
289 char *item, *prev = NULL;
291 qsort (VEC_address (char_ptr, completions), size,
292 sizeof (char *), compare_strings);
294 /* We do extra processing here since we only want to print each
296 for (ix = 0; VEC_iterate (char_ptr, completions, ix, item); ++ix)
298 if (prev == NULL || strcmp (item, prev) != 0)
300 printf_unfiltered ("%s%s\n", arg_prefix, item);
309 VEC_free (char_ptr, completions);
311 if (size == max_completions)
313 /* ARG_PREFIX and POINT are included in the output so that emacs
314 will include the message in the output. */
315 printf_unfiltered (_("%s%s %s\n"),
317 get_max_completions_reached_message ());
323 is_complete_command (struct cmd_list_element *c)
325 return cmd_cfunc_eq (c, complete_command);
329 show_version (char *args, int from_tty)
331 print_gdb_version (gdb_stdout);
332 printf_filtered ("\n");
336 show_configuration (char *args, int from_tty)
338 print_gdb_configuration (gdb_stdout);
341 /* Handle the quit command. */
344 quit_command (char *args, int from_tty)
346 if (!quit_confirm ())
347 error (_("Not confirmed."));
349 query_if_trace_running (from_tty);
351 quit_force (args, from_tty);
355 pwd_command (char *args, int from_tty)
358 error (_("The \"pwd\" command does not take an argument: %s"), args);
359 if (! getcwd (gdb_dirbuf, sizeof (gdb_dirbuf)))
360 error (_("Error finding name of working directory: %s"),
361 safe_strerror (errno));
363 if (strcmp (gdb_dirbuf, current_directory) != 0)
364 printf_unfiltered (_("Working directory %s\n (canonically %s).\n"),
365 current_directory, gdb_dirbuf);
367 printf_unfiltered (_("Working directory %s.\n"), current_directory);
371 cd_command (char *dir, int from_tty)
374 /* Found something other than leading repetitions of "/..". */
377 struct cleanup *cleanup;
379 /* If the new directory is absolute, repeat is a no-op; if relative,
380 repeat might be useful but is more likely to be a mistake. */
386 dir = tilde_expand (dir);
387 cleanup = make_cleanup (xfree, dir);
390 perror_with_name (dir);
392 #ifdef HAVE_DOS_BASED_FILE_SYSTEM
393 /* There's too much mess with DOSish names like "d:", "d:.",
394 "d:./foo" etc. Instead of having lots of special #ifdef'ed code,
395 simply get the canonicalized name of the current directory. */
396 dir = getcwd (gdb_dirbuf, sizeof (gdb_dirbuf));
400 if (IS_DIR_SEPARATOR (dir[len - 1]))
402 /* Remove the trailing slash unless this is a root directory
403 (including a drive letter on non-Unix systems). */
404 if (!(len == 1) /* "/" */
405 #ifdef HAVE_DOS_BASED_FILE_SYSTEM
406 && !(len == 3 && dir[1] == ':') /* "d:/" */
412 dir = savestring (dir, len);
413 if (IS_ABSOLUTE_PATH (dir))
414 current_directory = dir;
417 if (IS_DIR_SEPARATOR (current_directory[strlen (current_directory) - 1]))
418 current_directory = concat (current_directory, dir, (char *)NULL);
420 current_directory = concat (current_directory, SLASH_STRING,
425 /* Now simplify any occurrences of `.' and `..' in the pathname. */
428 for (p = current_directory; *p;)
430 if (IS_DIR_SEPARATOR (p[0]) && p[1] == '.'
431 && (p[2] == 0 || IS_DIR_SEPARATOR (p[2])))
432 memmove (p, p + 2, strlen (p + 2) + 1);
433 else if (IS_DIR_SEPARATOR (p[0]) && p[1] == '.' && p[2] == '.'
434 && (p[3] == 0 || IS_DIR_SEPARATOR (p[3])))
438 /* Search backwards for the directory just before the "/.."
439 and obliterate it and the "/..". */
442 while (q != current_directory && !IS_DIR_SEPARATOR (q[-1]))
445 if (q == current_directory)
446 /* current_directory is
447 a relative pathname ("can't happen"--leave it alone). */
451 memmove (q - 1, p + 3, strlen (p + 3) + 1);
456 /* We are dealing with leading repetitions of "/..", for
457 example "/../..", which is the Mach super-root. */
467 forget_cached_source_info ();
470 pwd_command ((char *) 0, 1);
472 do_cleanups (cleanup);
475 /* Show the current value of the 'script-extension' option. */
478 show_script_ext_mode (struct ui_file *file, int from_tty,
479 struct cmd_list_element *c, const char *value)
481 fprintf_filtered (file,
482 _("Script filename extension recognition is \"%s\".\n"),
486 /* Try to open SCRIPT_FILE.
487 If successful, the full path name is stored in *FULL_PATHP,
488 the stream is stored in *STREAMP, and return 1.
489 The caller is responsible for freeing *FULL_PATHP.
490 If not successful, return 0; errno is set for the last file
493 If SEARCH_PATH is non-zero, and the file isn't found in cwd,
494 search for it in the source search path. */
497 find_and_open_script (const char *script_file, int search_path,
498 FILE **streamp, char **full_pathp)
502 struct cleanup *old_cleanups;
503 int search_flags = OPF_TRY_CWD_FIRST | OPF_RETURN_REALPATH;
505 file = tilde_expand (script_file);
506 old_cleanups = make_cleanup (xfree, file);
509 search_flags |= OPF_SEARCH_IN_PATH;
511 /* Search for and open 'file' on the search path used for source
512 files. Put the full location in *FULL_PATHP. */
513 fd = openp (source_path, search_flags,
514 file, O_RDONLY, full_pathp);
518 int save_errno = errno;
519 do_cleanups (old_cleanups);
524 do_cleanups (old_cleanups);
526 *streamp = fdopen (fd, FOPEN_RT);
527 if (*streamp == NULL)
529 int save_errno = errno;
541 /* Load script FILE, which has already been opened as STREAM.
542 FILE_TO_OPEN is the form of FILE to use if one needs to open the file.
543 This is provided as FILE may have been found via the source search path.
544 An important thing to note here is that FILE may be a symlink to a file
545 with a different or non-existing suffix, and thus one cannot infer the
546 extension language from FILE_TO_OPEN. */
549 source_script_from_stream (FILE *stream, const char *file,
550 const char *file_to_open)
552 if (script_ext_mode != script_ext_off)
554 const struct extension_language_defn *extlang
555 = get_ext_lang_of_file (file);
559 if (ext_lang_present_p (extlang))
561 script_sourcer_func *sourcer
562 = ext_lang_script_sourcer (extlang);
564 gdb_assert (sourcer != NULL);
565 sourcer (extlang, stream, file_to_open);
568 else if (script_ext_mode == script_ext_soft)
570 /* Assume the file is a gdb script.
571 This is handled below. */
574 throw_ext_lang_unsupported (extlang);
578 script_from_file (stream, file);
581 /* Worker to perform the "source" command.
583 If SEARCH_PATH is non-zero, and the file isn't found in cwd,
584 search for it in the source search path. */
587 source_script_with_search (const char *file, int from_tty, int search_path)
591 struct cleanup *old_cleanups;
593 if (file == NULL || *file == 0)
594 error (_("source command requires file name of file to source."));
596 if (!find_and_open_script (file, search_path, &stream, &full_path))
598 /* The script wasn't found, or was otherwise inaccessible.
599 If the source command was invoked interactively, throw an
600 error. Otherwise (e.g. if it was invoked by a script),
601 just emit a warning, rather than cause an error. */
603 perror_with_name (file);
606 perror_warning_with_name (file);
611 old_cleanups = make_cleanup (xfree, full_path);
612 make_cleanup_fclose (stream);
613 /* The python support reopens the file, so we need to pass full_path here
614 in case the file was found on the search path. It's useful to do this
615 anyway so that error messages show the actual file used. But only do
616 this if we (may have) used search_path, as printing the full path in
617 errors for the non-search case can be more noise than signal. */
618 source_script_from_stream (stream, file, search_path ? full_path : file);
619 do_cleanups (old_cleanups);
622 /* Wrapper around source_script_with_search to export it to main.c
623 for use in loading .gdbinit scripts. */
626 source_script (const char *file, int from_tty)
628 source_script_with_search (file, from_tty, 0);
631 /* Return the source_verbose global variable to its previous state
632 on exit from the source command, by whatever means. */
634 source_verbose_cleanup (void *old_value)
636 source_verbose = *(int *)old_value;
641 source_command (char *args, int from_tty)
643 struct cleanup *old_cleanups;
645 int *old_source_verbose = XNEW (int);
648 *old_source_verbose = source_verbose;
649 old_cleanups = make_cleanup (source_verbose_cleanup,
652 /* -v causes the source command to run in verbose mode.
653 -s causes the file to be searched in the source search path,
654 even if the file name contains a '/'.
655 We still have to be able to handle filenames with spaces in a
656 backward compatible way, so buildargv is not appropriate. */
660 while (args[0] != '\0')
662 /* Make sure leading white space does not break the
664 args = skip_spaces (args);
669 if (args[1] == 'v' && isspace (args[2]))
673 /* Skip passed -v. */
676 else if (args[1] == 's' && isspace (args[2]))
680 /* Skip passed -s. */
687 file = skip_spaces (args);
690 source_script_with_search (file, from_tty, search_path);
692 do_cleanups (old_cleanups);
697 echo_command (char *text, int from_tty)
699 const char *p = text;
703 while ((c = *p++) != '\0')
707 /* \ at end of argument is used after spaces
708 so they won't be lost. */
712 c = parse_escape (get_current_arch (), &p);
714 printf_filtered ("%c", c);
717 printf_filtered ("%c", c);
720 /* Force this output to appear now. */
722 gdb_flush (gdb_stdout);
726 shell_escape (char *arg, int from_tty)
728 #if defined(CANT_FORK) || \
729 (!defined(HAVE_WORKING_VFORK) && !defined(HAVE_WORKING_FORK))
730 /* If ARG is NULL, they want an inferior shell, but `system' just
731 reports if the shell is available when passed a NULL arg. */
732 int rc = system (arg ? arg : "");
735 arg = "inferior shell";
739 fprintf_unfiltered (gdb_stderr, "Cannot execute %s: %s\n", arg,
740 safe_strerror (errno));
741 gdb_flush (gdb_stderr);
745 fprintf_unfiltered (gdb_stderr, "%s exited with status %d\n", arg, rc);
746 gdb_flush (gdb_stderr);
749 /* Make sure to return to the directory GDB thinks it is, in case
750 the shell command we just ran changed it. */
751 chdir (current_directory);
753 #else /* Can fork. */
756 if ((pid = vfork ()) == 0)
758 const char *p, *user_shell;
762 if ((user_shell = (char *) getenv ("SHELL")) == NULL)
763 user_shell = "/bin/sh";
765 /* Get the name of the shell for arg0. */
766 p = lbasename (user_shell);
769 execl (user_shell, p, (char *) 0);
771 execl (user_shell, p, "-c", arg, (char *) 0);
773 fprintf_unfiltered (gdb_stderr, "Cannot execute %s: %s\n", user_shell,
774 safe_strerror (errno));
775 gdb_flush (gdb_stderr);
780 waitpid (pid, &status, 0);
782 error (_("Fork failed"));
783 #endif /* Can fork. */
787 edit_command (char *arg, int from_tty)
789 struct symtabs_and_lines sals;
790 struct symtab_and_line sal;
796 /* Pull in the current default source line if necessary. */
799 set_default_source_symtab_and_line ();
800 sal = get_current_source_symtab_and_line ();
803 /* Bare "edit" edits file with present line. */
808 error (_("No default source file yet."));
809 sal.line += get_lines_to_list () / 2;
813 struct cleanup *cleanup;
814 struct event_location *location;
817 /* Now should only be one argument -- decode it in SAL. */
819 location = string_to_event_location (&arg1, current_language);
820 cleanup = make_cleanup_delete_event_location (location);
821 sals = decode_line_1 (location, DECODE_LINE_LIST_MODE, 0, 0);
827 do_cleanups (cleanup);
832 ambiguous_line_spec (&sals);
834 do_cleanups (cleanup);
842 error (_("Junk at end of line specification."));
844 /* If line was specified by address, first print exactly which
845 line, and which file. In this case, sal.symtab == 0 means
846 address is outside of all known source files, not that user
847 failed to give a filename. */
850 struct gdbarch *gdbarch;
853 error (_("No source file for address %s."),
854 paddress (get_current_arch (), sal.pc));
856 gdbarch = get_objfile_arch (SYMTAB_OBJFILE (sal.symtab));
857 sym = find_pc_function (sal.pc);
859 printf_filtered ("%s is in %s (%s:%d).\n",
860 paddress (gdbarch, sal.pc),
861 SYMBOL_PRINT_NAME (sym),
862 symtab_to_filename_for_display (sal.symtab),
865 printf_filtered ("%s is at %s:%d.\n",
866 paddress (gdbarch, sal.pc),
867 symtab_to_filename_for_display (sal.symtab),
871 /* If what was given does not imply a symtab, it must be an
872 undebuggable symbol which means no source code. */
875 error (_("No line number known for %s."), arg);
876 do_cleanups (cleanup);
879 if ((editor = (char *) getenv ("EDITOR")) == NULL)
882 fn = symtab_to_fullname (sal.symtab);
884 /* Quote the file name, in case it has whitespace or other special
886 p = xstrprintf ("%s +%d \"%s\"", editor, sal.line, fn);
887 shell_escape (p, from_tty);
892 list_command (char *arg, int from_tty)
894 struct symtabs_and_lines sals, sals_end;
895 struct symtab_and_line sal = { 0 };
896 struct symtab_and_line sal_end = { 0 };
897 struct symtab_and_line cursal = { 0 };
905 struct cleanup *cleanup;
907 cleanup = make_cleanup (null_cleanup, NULL);
909 /* Pull in the current default source line if necessary. */
910 if (arg == NULL || ((arg[0] == '+' || arg[0] == '-') && arg[1] == '\0'))
912 set_default_source_symtab_and_line ();
913 cursal = get_current_source_symtab_and_line ();
915 /* If this is the first "list" since we've set the current
916 source line, center the listing around that line. */
917 if (get_first_line_listed () == 0)
921 first = max (cursal.line - get_lines_to_list () / 2, 1);
923 /* A small special case --- if listing backwards, and we
924 should list only one line, list the preceding line,
925 instead of the exact line we've just shown after e.g.,
926 stopping for a breakpoint. */
927 if (arg != NULL && arg[0] == '-'
928 && get_lines_to_list () == 1 && first > 1)
931 print_source_lines (cursal.symtab, first,
932 first + get_lines_to_list (), 0);
935 /* "l" or "l +" lists next ten lines. */
936 else if (arg == NULL || arg[0] == '+')
937 print_source_lines (cursal.symtab, cursal.line,
938 cursal.line + get_lines_to_list (), 0);
940 /* "l -" lists previous ten lines, the ones before the ten just
942 else if (arg[0] == '-')
943 print_source_lines (cursal.symtab,
944 max (get_first_line_listed ()
945 - get_lines_to_list (), 1),
946 get_first_line_listed (), 0);
951 /* Now if there is only one argument, decode it in SAL
953 If there are two arguments, decode them in SAL and SAL_END
954 and clear NO_END; however, if one of the arguments is blank,
955 set DUMMY_BEG or DUMMY_END to record that fact. */
957 if (!have_full_symbols () && !have_partial_symbols ())
958 error (_("No symbol table is loaded. Use the \"file\" command."));
965 struct event_location *location;
967 location = string_to_event_location (&arg1, current_language);
968 make_cleanup_delete_event_location (location);
969 sals = decode_line_1 (location, DECODE_LINE_LIST_MODE, 0, 0);
975 do_cleanups (cleanup);
980 ambiguous_line_spec (&sals);
982 do_cleanups (cleanup);
990 /* Record whether the BEG arg is all digits. */
992 for (p = arg; p != arg1 && *p >= '0' && *p <= '9'; p++);
993 linenum_beg = (p == arg1);
995 while (*arg1 == ' ' || *arg1 == '\t')
1001 while (*arg1 == ' ' || *arg1 == '\t')
1007 struct event_location *location;
1009 location = string_to_event_location (&arg1, current_language);
1010 make_cleanup_delete_event_location (location);
1012 sals_end = decode_line_1 (location,
1013 DECODE_LINE_LIST_MODE, 0, 0);
1015 sals_end = decode_line_1 (location, DECODE_LINE_LIST_MODE,
1016 sal.symtab, sal.line);
1018 filter_sals (&sals_end);
1019 if (sals_end.nelts == 0)
1021 do_cleanups (cleanup);
1024 if (sals_end.nelts > 1)
1026 ambiguous_line_spec (&sals_end);
1027 xfree (sals_end.sals);
1028 do_cleanups (cleanup);
1031 sal_end = sals_end.sals[0];
1032 xfree (sals_end.sals);
1037 error (_("Junk at end of line specification."));
1039 if (!no_end && !dummy_beg && !dummy_end
1040 && sal.symtab != sal_end.symtab)
1041 error (_("Specified start and end are in different files."));
1042 if (dummy_beg && dummy_end)
1043 error (_("Two empty args do not say what lines to list."));
1045 /* If line was specified by address,
1046 first print exactly which line, and which file.
1048 In this case, sal.symtab == 0 means address is outside of all
1049 known source files, not that user failed to give a filename. */
1052 struct gdbarch *gdbarch;
1054 if (sal.symtab == 0)
1055 error (_("No source file for address %s."),
1056 paddress (get_current_arch (), sal.pc));
1058 gdbarch = get_objfile_arch (SYMTAB_OBJFILE (sal.symtab));
1059 sym = find_pc_function (sal.pc);
1061 printf_filtered ("%s is in %s (%s:%d).\n",
1062 paddress (gdbarch, sal.pc),
1063 SYMBOL_PRINT_NAME (sym),
1064 symtab_to_filename_for_display (sal.symtab), sal.line);
1066 printf_filtered ("%s is at %s:%d.\n",
1067 paddress (gdbarch, sal.pc),
1068 symtab_to_filename_for_display (sal.symtab), sal.line);
1071 /* If line was not specified by just a line number, and it does not
1072 imply a symtab, it must be an undebuggable symbol which means no
1075 if (!linenum_beg && sal.symtab == 0)
1076 error (_("No line number known for %s."), arg);
1078 /* If this command is repeated with RET,
1079 turn it into the no-arg variant. */
1084 if (dummy_beg && sal_end.symtab == 0)
1085 error (_("No default source file yet. Do \"help list\"."));
1087 print_source_lines (sal_end.symtab,
1088 max (sal_end.line - (get_lines_to_list () - 1), 1),
1089 sal_end.line + 1, 0);
1090 else if (sal.symtab == 0)
1091 error (_("No default source file yet. Do \"help list\"."));
1094 int first_line = sal.line - get_lines_to_list () / 2;
1096 if (first_line < 1) first_line = 1;
1098 print_source_lines (sal.symtab,
1100 first_line + get_lines_to_list (),
1104 print_source_lines (sal.symtab, sal.line,
1106 ? sal.line + get_lines_to_list ()
1107 : sal_end.line + 1),
1109 do_cleanups (cleanup);
1112 /* Subroutine of disassemble_command to simplify it.
1113 Perform the disassembly.
1114 NAME is the name of the function if known, or NULL.
1115 [LOW,HIGH) are the range of addresses to disassemble.
1116 MIXED is non-zero to print source with the assembler. */
1119 print_disassembly (struct gdbarch *gdbarch, const char *name,
1120 CORE_ADDR low, CORE_ADDR high, int flags)
1123 if (!tui_is_window_visible (DISASSEM_WIN))
1126 printf_filtered ("Dump of assembler code ");
1128 printf_filtered ("for function %s:\n", name);
1130 printf_filtered ("from %s to %s:\n",
1131 paddress (gdbarch, low), paddress (gdbarch, high));
1133 /* Dump the specified range. */
1134 gdb_disassembly (gdbarch, current_uiout, 0, flags, -1, low, high);
1136 printf_filtered ("End of assembler dump.\n");
1137 gdb_flush (gdb_stdout);
1142 tui_show_assembly (gdbarch, low);
1147 /* Subroutine of disassemble_command to simplify it.
1148 Print a disassembly of the current function according to FLAGS. */
1151 disassemble_current_function (int flags)
1153 struct frame_info *frame;
1154 struct gdbarch *gdbarch;
1155 CORE_ADDR low, high, pc;
1158 frame = get_selected_frame (_("No frame selected."));
1159 gdbarch = get_frame_arch (frame);
1160 pc = get_frame_address_in_block (frame);
1161 if (find_pc_partial_function (pc, &name, &low, &high) == 0)
1162 error (_("No function contains program counter for selected frame."));
1164 /* NOTE: cagney/2003-02-13 The `tui_active' was previously
1167 /* FIXME: cagney/2004-02-07: This should be an observer. */
1168 low = tui_get_low_disassembly_address (gdbarch, low, pc);
1170 low += gdbarch_deprecated_function_start_offset (gdbarch);
1172 print_disassembly (gdbarch, name, low, high, flags);
1175 /* Dump a specified section of assembly code.
1179 - dump the assembly code for the function of the current pc
1180 disassemble [/mrs] addr
1181 - dump the assembly code for the function at ADDR
1182 disassemble [/mrs] low,high
1183 disassemble [/mrs] low,+length
1184 - dump the assembly code in the range [LOW,HIGH), or [LOW,LOW+length)
1186 A /m modifier will include source code with the assembly in a
1187 "source centric" view. This view lists only the file of the first insn,
1188 even if other source files are involved (e.g., inlined functions), and
1189 the output is in source order, even with optimized code. This view is
1190 considered deprecated as it hasn't been useful in practice.
1192 A /r modifier will include raw instructions in hex with the assembly.
1194 A /s modifier will include source code with the assembly, like /m, with
1195 two important differences:
1196 1) The output is still in pc address order.
1197 2) File names and contents for all relevant source files are displayed. */
1200 disassemble_command (char *arg, int from_tty)
1202 struct gdbarch *gdbarch = get_current_arch ();
1203 CORE_ADDR low, high;
1218 error (_("Missing modifier."));
1220 while (*p && ! isspace (*p))
1225 flags |= DISASSEMBLY_SOURCE_DEPRECATED;
1228 flags |= DISASSEMBLY_RAW_INSN;
1231 flags |= DISASSEMBLY_SOURCE;
1234 error (_("Invalid disassembly modifier."));
1238 p = skip_spaces_const (p);
1241 if ((flags & (DISASSEMBLY_SOURCE_DEPRECATED | DISASSEMBLY_SOURCE))
1242 == (DISASSEMBLY_SOURCE_DEPRECATED | DISASSEMBLY_SOURCE))
1243 error (_("Cannot specify both /m and /s."));
1247 flags |= DISASSEMBLY_OMIT_FNAME;
1248 disassemble_current_function (flags);
1252 pc = value_as_address (parse_to_comma_and_eval (&p));
1258 if (find_pc_partial_function (pc, &name, &low, &high) == 0)
1259 error (_("No function contains specified address."));
1261 /* NOTE: cagney/2003-02-13 The `tui_active' was previously
1264 /* FIXME: cagney/2004-02-07: This should be an observer. */
1265 low = tui_get_low_disassembly_address (gdbarch, low, pc);
1267 low += gdbarch_deprecated_function_start_offset (gdbarch);
1268 flags |= DISASSEMBLY_OMIT_FNAME;
1272 /* Two arguments. */
1275 p = skip_spaces_const (p);
1281 high = parse_and_eval_address (p);
1286 print_disassembly (gdbarch, name, low, high, flags);
1290 make_command (char *arg, int from_tty)
1298 p = (char *) xmalloc (sizeof ("make ") + strlen (arg));
1299 strcpy (p, "make ");
1300 strcpy (p + sizeof ("make ") - 1, arg);
1303 shell_escape (p, from_tty);
1307 show_user (char *args, int from_tty)
1309 struct cmd_list_element *c;
1310 extern struct cmd_list_element *cmdlist;
1314 const char *comname = args;
1316 c = lookup_cmd (&comname, cmdlist, "", 0, 1);
1317 if (!cli_user_command_p (c))
1318 error (_("Not a user command."));
1319 show_user_1 (c, "", args, gdb_stdout);
1323 for (c = cmdlist; c; c = c->next)
1325 if (cli_user_command_p (c) || c->prefixlist != NULL)
1326 show_user_1 (c, "", c->name, gdb_stdout);
1331 /* Search through names of commands and documentations for a certain
1332 regular expression. */
1335 apropos_command (char *searchstr, int from_tty)
1340 if (searchstr == NULL)
1341 error (_("REGEXP string is empty"));
1343 code = regcomp (&pattern, searchstr, REG_ICASE);
1346 struct cleanup *cleanups;
1348 cleanups = make_regfree_cleanup (&pattern);
1349 apropos_cmd (gdb_stdout, cmdlist, &pattern, "");
1350 do_cleanups (cleanups);
1354 char *err = get_regcomp_error (code, &pattern);
1356 make_cleanup (xfree, err);
1357 error (_("Error in regular expression: %s"), err);
1361 /* Subroutine of alias_command to simplify it.
1362 Return the first N elements of ARGV flattened back to a string
1363 with a space separating each element.
1364 ARGV may not be NULL.
1365 This does not take care of quoting elements in case they contain spaces
1369 argv_to_dyn_string (char **argv, int n)
1372 dyn_string_t result = dyn_string_new (10);
1374 gdb_assert (argv != NULL);
1375 gdb_assert (n >= 0 && n <= countargv (argv));
1377 for (i = 0; i < n; ++i)
1380 dyn_string_append_char (result, ' ');
1381 dyn_string_append_cstr (result, argv[i]);
1387 /* Subroutine of alias_command to simplify it.
1388 Return TRUE if COMMAND exists, unambiguously. Otherwise FALSE. */
1391 valid_command_p (const char *command)
1393 struct cmd_list_element *c;
1395 c = lookup_cmd_1 (& command, cmdlist, NULL, 1);
1397 if (c == NULL || c == (struct cmd_list_element *) -1)
1400 /* This is the slightly tricky part.
1401 lookup_cmd_1 will return a pointer to the last part of COMMAND
1402 to match, leaving COMMAND pointing at the remainder. */
1403 while (*command == ' ' || *command == '\t')
1405 return *command == '\0';
1408 /* Make an alias of an existing command. */
1411 alias_command (char *args, int from_tty)
1413 int i, alias_argc, command_argc;
1414 int abbrev_flag = 0;
1415 char *args2, *equals, *alias, *command;
1416 char **alias_argv, **command_argv;
1417 dyn_string_t alias_dyn_string, command_dyn_string;
1418 struct cleanup *cleanup;
1419 static const char usage[] = N_("Usage: alias [-a] [--] ALIAS = COMMAND");
1421 if (args == NULL || strchr (args, '=') == NULL)
1424 args2 = xstrdup (args);
1425 cleanup = make_cleanup (xfree, args2);
1426 equals = strchr (args2, '=');
1428 alias_argv = gdb_buildargv (args2);
1429 make_cleanup_freeargv (alias_argv);
1430 command_argv = gdb_buildargv (equals + 1);
1431 make_cleanup_freeargv (command_argv);
1433 for (i = 0; alias_argv[i] != NULL; )
1435 if (strcmp (alias_argv[i], "-a") == 0)
1440 else if (strcmp (alias_argv[i], "--") == 0)
1449 if (alias_argv[0] == NULL || command_argv[0] == NULL
1450 || *alias_argv[0] == '\0' || *command_argv[0] == '\0')
1453 for (i = 0; alias_argv[i] != NULL; ++i)
1455 if (! valid_user_defined_cmd_name_p (alias_argv[i]))
1458 error (_("Invalid command name: %s"), alias_argv[i]);
1460 error (_("Invalid command element name: %s"), alias_argv[i]);
1464 alias_argc = countargv (alias_argv);
1465 command_argc = countargv (command_argv);
1467 /* COMMAND must exist.
1468 Reconstruct the command to remove any extraneous spaces,
1469 for better error messages. */
1470 command_dyn_string = argv_to_dyn_string (command_argv, command_argc);
1471 make_cleanup_dyn_string_delete (command_dyn_string);
1472 command = dyn_string_buf (command_dyn_string);
1473 if (! valid_command_p (command))
1474 error (_("Invalid command to alias to: %s"), command);
1476 /* ALIAS must not exist. */
1477 alias_dyn_string = argv_to_dyn_string (alias_argv, alias_argc);
1478 make_cleanup_dyn_string_delete (alias_dyn_string);
1479 alias = dyn_string_buf (alias_dyn_string);
1480 if (valid_command_p (alias))
1481 error (_("Alias already exists: %s"), alias);
1483 /* If ALIAS is one word, it is an alias for the entire COMMAND.
1484 Example: alias spe = set print elements
1486 Otherwise ALIAS and COMMAND must have the same number of words,
1487 and every word except the last must match; and the last word of
1488 ALIAS is made an alias of the last word of COMMAND.
1489 Example: alias set print elms = set pr elem
1490 Note that unambiguous abbreviations are allowed. */
1492 if (alias_argc == 1)
1494 /* add_cmd requires *we* allocate space for name, hence the xstrdup. */
1495 add_com_alias (xstrdup (alias_argv[0]), command, class_alias,
1500 dyn_string_t alias_prefix_dyn_string, command_prefix_dyn_string;
1501 const char *alias_prefix, *command_prefix;
1502 struct cmd_list_element *c_alias, *c_command;
1504 if (alias_argc != command_argc)
1505 error (_("Mismatched command length between ALIAS and COMMAND."));
1507 /* Create copies of ALIAS and COMMAND without the last word,
1508 and use that to verify the leading elements match. */
1509 alias_prefix_dyn_string =
1510 argv_to_dyn_string (alias_argv, alias_argc - 1);
1511 make_cleanup_dyn_string_delete (alias_prefix_dyn_string);
1512 command_prefix_dyn_string =
1513 argv_to_dyn_string (alias_argv, command_argc - 1);
1514 make_cleanup_dyn_string_delete (command_prefix_dyn_string);
1515 alias_prefix = dyn_string_buf (alias_prefix_dyn_string);
1516 command_prefix = dyn_string_buf (command_prefix_dyn_string);
1518 c_command = lookup_cmd_1 (& command_prefix, cmdlist, NULL, 1);
1519 /* We've already tried to look up COMMAND. */
1520 gdb_assert (c_command != NULL
1521 && c_command != (struct cmd_list_element *) -1);
1522 gdb_assert (c_command->prefixlist != NULL);
1523 c_alias = lookup_cmd_1 (& alias_prefix, cmdlist, NULL, 1);
1524 if (c_alias != c_command)
1525 error (_("ALIAS and COMMAND prefixes do not match."));
1527 /* add_cmd requires *we* allocate space for name, hence the xstrdup. */
1528 add_alias_cmd (xstrdup (alias_argv[alias_argc - 1]),
1529 command_argv[command_argc - 1],
1530 class_alias, abbrev_flag, c_command->prefixlist);
1533 do_cleanups (cleanup);
1536 /* Print a list of files and line numbers which a user may choose from
1537 in order to list a function which was specified ambiguously (as
1538 with `list classname::overloadedfuncname', for example). The
1539 vector in SALS provides the filenames and line numbers. */
1542 ambiguous_line_spec (struct symtabs_and_lines *sals)
1546 for (i = 0; i < sals->nelts; ++i)
1547 printf_filtered (_("file: \"%s\", line number: %d\n"),
1548 symtab_to_filename_for_display (sals->sals[i].symtab),
1549 sals->sals[i].line);
1552 /* Sort function for filter_sals. */
1555 compare_symtabs (const void *a, const void *b)
1557 const struct symtab_and_line *sala = (const struct symtab_and_line *) a;
1558 const struct symtab_and_line *salb = (const struct symtab_and_line *) b;
1559 const char *dira = SYMTAB_DIRNAME (sala->symtab);
1560 const char *dirb = SYMTAB_DIRNAME (salb->symtab);
1568 else if (dirb == NULL)
1575 r = filename_cmp (dira, dirb);
1580 r = filename_cmp (sala->symtab->filename, salb->symtab->filename);
1584 if (sala->line < salb->line)
1586 return sala->line == salb->line ? 0 : 1;
1589 /* Remove any SALs that do not match the current program space, or
1590 which appear to be "file:line" duplicates. */
1593 filter_sals (struct symtabs_and_lines *sals)
1598 for (i = 0; i < sals->nelts; ++i)
1600 if (sals->sals[i].pspace == current_program_space
1601 && sals->sals[i].symtab != NULL)
1603 sals->sals[out] = sals->sals[i];
1609 qsort (sals->sals, sals->nelts, sizeof (struct symtab_and_line),
1614 for (i = 1; i < sals->nelts; ++i)
1616 if (compare_symtabs (&sals->sals[prev], &sals->sals[i]))
1618 /* Symtabs differ. */
1619 sals->sals[out] = sals->sals[i];
1625 if (sals->nelts == 0)
1635 set_debug (char *arg, int from_tty)
1637 printf_unfiltered (_("\"set debug\" must be followed by "
1638 "the name of a debug subcommand.\n"));
1639 help_list (setdebuglist, "set debug ", all_commands, gdb_stdout);
1643 show_debug (char *args, int from_tty)
1645 cmd_show_list (showdebuglist, from_tty, "");
1649 init_cmd_lists (void)
1651 max_user_call_depth = 1024;
1655 show_info_verbose (struct ui_file *file, int from_tty,
1656 struct cmd_list_element *c,
1660 fprintf_filtered (file,
1661 _("Verbose printing of informational messages is %s.\n"),
1664 fprintf_filtered (file, _("Verbosity is %s.\n"), value);
1668 show_history_expansion_p (struct ui_file *file, int from_tty,
1669 struct cmd_list_element *c, const char *value)
1671 fprintf_filtered (file, _("History expansion on command input is %s.\n"),
1676 show_remote_debug (struct ui_file *file, int from_tty,
1677 struct cmd_list_element *c, const char *value)
1679 fprintf_filtered (file, _("Debugging of remote protocol is %s.\n"),
1684 show_remote_timeout (struct ui_file *file, int from_tty,
1685 struct cmd_list_element *c, const char *value)
1687 fprintf_filtered (file,
1688 _("Timeout limit to wait for target to respond is %s.\n"),
1693 show_max_user_call_depth (struct ui_file *file, int from_tty,
1694 struct cmd_list_element *c, const char *value)
1696 fprintf_filtered (file,
1697 _("The max call depth for user-defined commands is %s.\n"),
1703 initialize_file_ftype _initialize_cli_cmds;
1706 _initialize_cli_cmds (void)
1708 struct cmd_list_element *c;
1710 /* Define the classes of commands.
1711 They will appear in the help list in alphabetical order. */
1713 add_cmd ("internals", class_maintenance, NULL, _("\
1714 Maintenance commands.\n\
1715 Some gdb commands are provided just for use by gdb maintainers.\n\
1716 These commands are subject to frequent change, and may not be as\n\
1717 well documented as user commands."),
1719 add_cmd ("obscure", class_obscure, NULL, _("Obscure features."), &cmdlist);
1720 add_cmd ("aliases", class_alias, NULL,
1721 _("Aliases of other commands."), &cmdlist);
1722 add_cmd ("user-defined", class_user, NULL, _("\
1723 User-defined commands.\n\
1724 The commands in this class are those defined by the user.\n\
1725 Use the \"define\" command to define a command."), &cmdlist);
1726 add_cmd ("support", class_support, NULL, _("Support facilities."), &cmdlist);
1728 add_cmd ("status", class_info, NULL, _("Status inquiries."), &cmdlist);
1729 add_cmd ("files", class_files, NULL, _("Specifying and examining files."),
1731 add_cmd ("breakpoints", class_breakpoint, NULL,
1732 _("Making program stop at certain points."), &cmdlist);
1733 add_cmd ("data", class_vars, NULL, _("Examining data."), &cmdlist);
1734 add_cmd ("stack", class_stack, NULL, _("\
1735 Examining the stack.\n\
1736 The stack is made up of stack frames. Gdb assigns numbers to stack frames\n\
1737 counting from zero for the innermost (currently executing) frame.\n\n\
1738 At any time gdb identifies one frame as the \"selected\" frame.\n\
1739 Variable lookups are done with respect to the selected frame.\n\
1740 When the program being debugged stops, gdb selects the innermost frame.\n\
1741 The commands below can be used to select other frames by number or address."),
1743 add_cmd ("running", class_run, NULL, _("Running the program."), &cmdlist);
1745 /* Define general commands. */
1747 add_com ("pwd", class_files, pwd_command, _("\
1748 Print working directory. This is used for your program as well."));
1750 c = add_cmd ("cd", class_files, cd_command, _("\
1751 Set working directory to DIR for debugger and program being debugged.\n\
1752 The change does not take effect for the program being debugged\n\
1753 until the next time it is started."), &cmdlist);
1754 set_cmd_completer (c, filename_completer);
1756 add_com ("echo", class_support, echo_command, _("\
1757 Print a constant string. Give string as argument.\n\
1758 C escape sequences may be used in the argument.\n\
1759 No newline is added at the end of the argument;\n\
1760 use \"\\n\" if you want a newline to be printed.\n\
1761 Since leading and trailing whitespace are ignored in command arguments,\n\
1762 if you want to print some you must use \"\\\" before leading whitespace\n\
1763 to be printed or after trailing whitespace."));
1765 add_setshow_enum_cmd ("script-extension", class_support,
1766 script_ext_enums, &script_ext_mode, _("\
1767 Set mode for script filename extension recognition."), _("\
1768 Show mode for script filename extension recognition."), _("\
1769 off == no filename extension recognition (all sourced files are GDB scripts)\n\
1770 soft == evaluate script according to filename extension, fallback to GDB script"
1772 strict == evaluate script according to filename extension, error if not supported"
1775 show_script_ext_mode,
1776 &setlist, &showlist);
1778 add_com ("quit", class_support, quit_command, _("\
1780 Usage: quit [EXPR]\n\
1781 The optional expression EXPR, if present, is evaluated and the result\n\
1782 used as GDB's exit code. The default is zero."));
1783 c = add_com ("help", class_support, help_command,
1784 _("Print list of commands."));
1785 set_cmd_completer (c, command_completer);
1786 add_com_alias ("q", "quit", class_support, 1);
1787 add_com_alias ("h", "help", class_support, 1);
1789 add_setshow_boolean_cmd ("verbose", class_support, &info_verbose, _("\
1790 Set verbosity."), _("\
1791 Show verbosity."), NULL,
1794 &setlist, &showlist);
1796 add_prefix_cmd ("history", class_support, set_history,
1797 _("Generic command for setting command history parameters."),
1798 &sethistlist, "set history ", 0, &setlist);
1799 add_prefix_cmd ("history", class_support, show_history,
1800 _("Generic command for showing command history parameters."),
1801 &showhistlist, "show history ", 0, &showlist);
1803 add_setshow_boolean_cmd ("expansion", no_class, &history_expansion_p, _("\
1804 Set history expansion on command input."), _("\
1805 Show history expansion on command input."), _("\
1806 Without an argument, history expansion is enabled."),
1808 show_history_expansion_p,
1809 &sethistlist, &showhistlist);
1811 add_prefix_cmd ("info", class_info, info_command, _("\
1812 Generic command for showing things about the program being debugged."),
1813 &infolist, "info ", 0, &cmdlist);
1814 add_com_alias ("i", "info", class_info, 1);
1815 add_com_alias ("inf", "info", class_info, 1);
1817 add_com ("complete", class_obscure, complete_command,
1818 _("List the completions for the rest of the line as a command."));
1820 add_prefix_cmd ("show", class_info, show_command, _("\
1821 Generic command for showing things about the debugger."),
1822 &showlist, "show ", 0, &cmdlist);
1823 /* Another way to get at the same thing. */
1824 add_info ("set", show_command, _("Show all GDB settings."));
1826 add_cmd ("commands", no_set_class, show_commands, _("\
1827 Show the history of commands you typed.\n\
1828 You can supply a command number to start with, or a `+' to start after\n\
1829 the previous command number shown."),
1832 add_cmd ("version", no_set_class, show_version,
1833 _("Show what version of GDB this is."), &showlist);
1835 add_cmd ("configuration", no_set_class, show_configuration,
1836 _("Show how GDB was configured at build time."), &showlist);
1838 add_setshow_zinteger_cmd ("remote", no_class, &remote_debug, _("\
1839 Set debugging of remote protocol."), _("\
1840 Show debugging of remote protocol."), _("\
1841 When enabled, each packet sent or received with the remote target\n\
1845 &setdebuglist, &showdebuglist);
1847 add_setshow_zuinteger_unlimited_cmd ("remotetimeout", no_class,
1848 &remote_timeout, _("\
1849 Set timeout limit to wait for target to respond."), _("\
1850 Show timeout limit to wait for target to respond."), _("\
1851 This value is used to set the time limit for gdb to wait for a response\n\
1854 show_remote_timeout,
1855 &setlist, &showlist);
1857 add_prefix_cmd ("debug", no_class, set_debug,
1858 _("Generic command for setting gdb debugging flags"),
1859 &setdebuglist, "set debug ", 0, &setlist);
1861 add_prefix_cmd ("debug", no_class, show_debug,
1862 _("Generic command for showing gdb debugging flags"),
1863 &showdebuglist, "show debug ", 0, &showlist);
1865 c = add_com ("shell", class_support, shell_escape, _("\
1866 Execute the rest of the line as a shell command.\n\
1867 With no arguments, run an inferior shell."));
1868 set_cmd_completer (c, filename_completer);
1870 c = add_com ("edit", class_files, edit_command, _("\
1871 Edit specified file or function.\n\
1872 With no argument, edits file containing most recent line listed.\n\
1873 Editing targets can be specified in these ways:\n\
1874 FILE:LINENUM, to edit at that line in that file,\n\
1875 FUNCTION, to edit at the beginning of that function,\n\
1876 FILE:FUNCTION, to distinguish among like-named static functions.\n\
1877 *ADDRESS, to edit at the line containing that address.\n\
1878 Uses EDITOR environment variable contents as editor (or ex as default)."));
1880 c->completer = location_completer;
1882 add_com ("list", class_files, list_command, _("\
1883 List specified function or line.\n\
1884 With no argument, lists ten more lines after or around previous listing.\n\
1885 \"list -\" lists the ten lines before a previous ten-line listing.\n\
1886 One argument specifies a line, and ten lines are listed around that line.\n\
1887 Two arguments with comma between specify starting and ending lines to list.\n\
1888 Lines can be specified in these ways:\n\
1889 LINENUM, to list around that line in current file,\n\
1890 FILE:LINENUM, to list around that line in that file,\n\
1891 FUNCTION, to list around beginning of that function,\n\
1892 FILE:FUNCTION, to distinguish among like-named static functions.\n\
1893 *ADDRESS, to list around the line containing that address.\n\
1894 With two args if one is empty it stands for ten lines away from \
1897 add_com_alias ("l", "list", class_files, 1);
1900 add_com_alias ("file", "list", class_files, 1);
1902 c = add_com ("disassemble", class_vars, disassemble_command, _("\
1903 Disassemble a specified section of memory.\n\
1904 Default is the function surrounding the pc of the selected frame.\n\
1906 With a /m modifier, source lines are included (if available).\n\
1907 This view is \"source centric\": the output is in source line order,\n\
1908 regardless of any optimization that is present. Only the main source file\n\
1909 is displayed, not those of, e.g., any inlined functions.\n\
1910 This modifier hasn't proved useful in practice and is deprecated\n\
1913 With a /s modifier, source lines are included (if available).\n\
1914 This differs from /m in two important respects:\n\
1915 - the output is still in pc address order, and\n\
1916 - file names and contents for all relevant source files are displayed.\n\
1918 With a /r modifier, raw instructions in hex are included.\n\
1920 With a single argument, the function surrounding that address is dumped.\n\
1921 Two arguments (separated by a comma) are taken as a range of memory to dump,\n\
1922 in the form of \"start,end\", or \"start,+length\".\n\
1924 Note that the address is interpreted as an expression, not as a location\n\
1925 like in the \"break\" command.\n\
1926 So, for example, if you want to disassemble function bar in file foo.c\n\
1927 you must type \"disassemble 'foo.c'::bar\" and not \"disassemble foo.c:bar\"."));
1928 set_cmd_completer (c, location_completer);
1930 add_com_alias ("!", "shell", class_support, 0);
1932 c = add_com ("make", class_support, make_command, _("\
1933 Run the ``make'' program using the rest of the line as arguments."));
1934 set_cmd_completer (c, filename_completer);
1935 add_cmd ("user", no_class, show_user, _("\
1936 Show definitions of non-python/scheme user defined commands.\n\
1937 Argument is the name of the user defined command.\n\
1938 With no argument, show definitions of all user defined commands."), &showlist);
1939 add_com ("apropos", class_support, apropos_command,
1940 _("Search for commands matching a REGEXP"));
1942 add_setshow_uinteger_cmd ("max-user-call-depth", no_class,
1943 &max_user_call_depth, _("\
1944 Set the max call depth for non-python/scheme user-defined commands."), _("\
1945 Show the max call depth for non-python/scheme user-defined commands."), NULL,
1947 show_max_user_call_depth,
1948 &setlist, &showlist);
1950 add_setshow_boolean_cmd ("trace-commands", no_class, &trace_commands, _("\
1951 Set tracing of GDB CLI commands."), _("\
1952 Show state of GDB CLI command tracing."), _("\
1953 When 'on', each command is displayed as it is executed."),
1956 &setlist, &showlist);
1958 c = add_com ("alias", class_support, alias_command, _("\
1959 Define a new command that is an alias of an existing command.\n\
1960 Usage: alias [-a] [--] ALIAS = COMMAND\n\
1961 ALIAS is the name of the alias command to create.\n\
1962 COMMAND is the command being aliased to.\n\
1963 If \"-a\" is specified, the command is an abbreviation,\n\
1964 and will not appear in help command list output.\n\
1967 Make \"spe\" an alias of \"set print elements\":\n\
1968 alias spe = set print elements\n\
1969 Make \"elms\" an alias of \"elements\" in the \"set print\" command:\n\
1970 alias -a set print elms = set print elements"));
1974 init_cli_cmds (void)
1976 struct cmd_list_element *c;
1977 char *source_help_text;
1979 source_help_text = xstrprintf (_("\
1980 Read commands from a file named FILE.\n\
1982 Usage: source [-s] [-v] FILE\n\
1983 -s: search for the script in the source search path,\n\
1984 even if FILE contains directories.\n\
1985 -v: each command in FILE is echoed as it is executed.\n\
1987 Note that the file \"%s\" is read automatically in this way\n\
1988 when GDB is started."), gdbinit);
1989 c = add_cmd ("source", class_support, source_command,
1990 source_help_text, &cmdlist);
1991 set_cmd_completer (c, filename_completer);