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 == 0 || arg[0] == '+' || arg[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);
937 /* "l" or "l +" lists next ten lines. */
939 if (arg == 0 || strcmp (arg, "+") == 0)
941 print_source_lines (cursal.symtab, cursal.line,
942 cursal.line + get_lines_to_list (), 0);
946 /* "l -" lists previous ten lines, the ones before the ten just
948 if (strcmp (arg, "-") == 0)
950 print_source_lines (cursal.symtab,
951 max (get_first_line_listed ()
952 - get_lines_to_list (), 1),
953 get_first_line_listed (), 0);
957 /* Now if there is only one argument, decode it in SAL
959 If there are two arguments, decode them in SAL and SAL_END
960 and clear NO_END; however, if one of the arguments is blank,
961 set DUMMY_BEG or DUMMY_END to record that fact. */
963 if (!have_full_symbols () && !have_partial_symbols ())
964 error (_("No symbol table is loaded. Use the \"file\" command."));
971 struct event_location *location;
973 location = string_to_event_location (&arg1, current_language);
974 make_cleanup_delete_event_location (location);
975 sals = decode_line_1 (location, DECODE_LINE_LIST_MODE, 0, 0);
981 do_cleanups (cleanup);
986 ambiguous_line_spec (&sals);
988 do_cleanups (cleanup);
996 /* Record whether the BEG arg is all digits. */
998 for (p = arg; p != arg1 && *p >= '0' && *p <= '9'; p++);
999 linenum_beg = (p == arg1);
1001 while (*arg1 == ' ' || *arg1 == '\t')
1007 while (*arg1 == ' ' || *arg1 == '\t')
1013 struct event_location *location;
1015 location = string_to_event_location (&arg1, current_language);
1016 make_cleanup_delete_event_location (location);
1018 sals_end = decode_line_1 (location,
1019 DECODE_LINE_LIST_MODE, 0, 0);
1021 sals_end = decode_line_1 (location, DECODE_LINE_LIST_MODE,
1022 sal.symtab, sal.line);
1024 filter_sals (&sals_end);
1025 if (sals_end.nelts == 0)
1027 do_cleanups (cleanup);
1030 if (sals_end.nelts > 1)
1032 ambiguous_line_spec (&sals_end);
1033 xfree (sals_end.sals);
1034 do_cleanups (cleanup);
1037 sal_end = sals_end.sals[0];
1038 xfree (sals_end.sals);
1043 error (_("Junk at end of line specification."));
1045 if (!no_end && !dummy_beg && !dummy_end
1046 && sal.symtab != sal_end.symtab)
1047 error (_("Specified start and end are in different files."));
1048 if (dummy_beg && dummy_end)
1049 error (_("Two empty args do not say what lines to list."));
1051 /* If line was specified by address,
1052 first print exactly which line, and which file.
1054 In this case, sal.symtab == 0 means address is outside of all
1055 known source files, not that user failed to give a filename. */
1058 struct gdbarch *gdbarch;
1060 if (sal.symtab == 0)
1061 error (_("No source file for address %s."),
1062 paddress (get_current_arch (), sal.pc));
1064 gdbarch = get_objfile_arch (SYMTAB_OBJFILE (sal.symtab));
1065 sym = find_pc_function (sal.pc);
1067 printf_filtered ("%s is in %s (%s:%d).\n",
1068 paddress (gdbarch, sal.pc),
1069 SYMBOL_PRINT_NAME (sym),
1070 symtab_to_filename_for_display (sal.symtab), sal.line);
1072 printf_filtered ("%s is at %s:%d.\n",
1073 paddress (gdbarch, sal.pc),
1074 symtab_to_filename_for_display (sal.symtab), sal.line);
1077 /* If line was not specified by just a line number, and it does not
1078 imply a symtab, it must be an undebuggable symbol which means no
1081 if (!linenum_beg && sal.symtab == 0)
1082 error (_("No line number known for %s."), arg);
1084 /* If this command is repeated with RET,
1085 turn it into the no-arg variant. */
1090 if (dummy_beg && sal_end.symtab == 0)
1091 error (_("No default source file yet. Do \"help list\"."));
1093 print_source_lines (sal_end.symtab,
1094 max (sal_end.line - (get_lines_to_list () - 1), 1),
1095 sal_end.line + 1, 0);
1096 else if (sal.symtab == 0)
1097 error (_("No default source file yet. Do \"help list\"."));
1100 int first_line = sal.line - get_lines_to_list () / 2;
1102 if (first_line < 1) first_line = 1;
1104 print_source_lines (sal.symtab,
1106 first_line + get_lines_to_list (),
1110 print_source_lines (sal.symtab, sal.line,
1112 ? sal.line + get_lines_to_list ()
1113 : sal_end.line + 1),
1115 do_cleanups (cleanup);
1118 /* Subroutine of disassemble_command to simplify it.
1119 Perform the disassembly.
1120 NAME is the name of the function if known, or NULL.
1121 [LOW,HIGH) are the range of addresses to disassemble.
1122 MIXED is non-zero to print source with the assembler. */
1125 print_disassembly (struct gdbarch *gdbarch, const char *name,
1126 CORE_ADDR low, CORE_ADDR high, int flags)
1129 if (!tui_is_window_visible (DISASSEM_WIN))
1132 printf_filtered ("Dump of assembler code ");
1134 printf_filtered ("for function %s:\n", name);
1136 printf_filtered ("from %s to %s:\n",
1137 paddress (gdbarch, low), paddress (gdbarch, high));
1139 /* Dump the specified range. */
1140 gdb_disassembly (gdbarch, current_uiout, 0, flags, -1, low, high);
1142 printf_filtered ("End of assembler dump.\n");
1143 gdb_flush (gdb_stdout);
1148 tui_show_assembly (gdbarch, low);
1153 /* Subroutine of disassemble_command to simplify it.
1154 Print a disassembly of the current function according to FLAGS. */
1157 disassemble_current_function (int flags)
1159 struct frame_info *frame;
1160 struct gdbarch *gdbarch;
1161 CORE_ADDR low, high, pc;
1164 frame = get_selected_frame (_("No frame selected."));
1165 gdbarch = get_frame_arch (frame);
1166 pc = get_frame_address_in_block (frame);
1167 if (find_pc_partial_function (pc, &name, &low, &high) == 0)
1168 error (_("No function contains program counter for selected frame."));
1170 /* NOTE: cagney/2003-02-13 The `tui_active' was previously
1173 /* FIXME: cagney/2004-02-07: This should be an observer. */
1174 low = tui_get_low_disassembly_address (gdbarch, low, pc);
1176 low += gdbarch_deprecated_function_start_offset (gdbarch);
1178 print_disassembly (gdbarch, name, low, high, flags);
1181 /* Dump a specified section of assembly code.
1185 - dump the assembly code for the function of the current pc
1186 disassemble [/mrs] addr
1187 - dump the assembly code for the function at ADDR
1188 disassemble [/mrs] low,high
1189 disassemble [/mrs] low,+length
1190 - dump the assembly code in the range [LOW,HIGH), or [LOW,LOW+length)
1192 A /m modifier will include source code with the assembly in a
1193 "source centric" view. This view lists only the file of the first insn,
1194 even if other source files are involved (e.g., inlined functions), and
1195 the output is in source order, even with optimized code. This view is
1196 considered deprecated as it hasn't been useful in practice.
1198 A /r modifier will include raw instructions in hex with the assembly.
1200 A /s modifier will include source code with the assembly, like /m, with
1201 two important differences:
1202 1) The output is still in pc address order.
1203 2) File names and contents for all relevant source files are displayed. */
1206 disassemble_command (char *arg, int from_tty)
1208 struct gdbarch *gdbarch = get_current_arch ();
1209 CORE_ADDR low, high;
1224 error (_("Missing modifier."));
1226 while (*p && ! isspace (*p))
1231 flags |= DISASSEMBLY_SOURCE_DEPRECATED;
1234 flags |= DISASSEMBLY_RAW_INSN;
1237 flags |= DISASSEMBLY_SOURCE;
1240 error (_("Invalid disassembly modifier."));
1244 p = skip_spaces_const (p);
1247 if ((flags & (DISASSEMBLY_SOURCE_DEPRECATED | DISASSEMBLY_SOURCE))
1248 == (DISASSEMBLY_SOURCE_DEPRECATED | DISASSEMBLY_SOURCE))
1249 error (_("Cannot specify both /m and /s."));
1253 flags |= DISASSEMBLY_OMIT_FNAME;
1254 disassemble_current_function (flags);
1258 pc = value_as_address (parse_to_comma_and_eval (&p));
1264 if (find_pc_partial_function (pc, &name, &low, &high) == 0)
1265 error (_("No function contains specified address."));
1267 /* NOTE: cagney/2003-02-13 The `tui_active' was previously
1270 /* FIXME: cagney/2004-02-07: This should be an observer. */
1271 low = tui_get_low_disassembly_address (gdbarch, low, pc);
1273 low += gdbarch_deprecated_function_start_offset (gdbarch);
1274 flags |= DISASSEMBLY_OMIT_FNAME;
1278 /* Two arguments. */
1281 p = skip_spaces_const (p);
1287 high = parse_and_eval_address (p);
1292 print_disassembly (gdbarch, name, low, high, flags);
1296 make_command (char *arg, int from_tty)
1304 p = (char *) xmalloc (sizeof ("make ") + strlen (arg));
1305 strcpy (p, "make ");
1306 strcpy (p + sizeof ("make ") - 1, arg);
1309 shell_escape (p, from_tty);
1313 show_user (char *args, int from_tty)
1315 struct cmd_list_element *c;
1316 extern struct cmd_list_element *cmdlist;
1320 const char *comname = args;
1322 c = lookup_cmd (&comname, cmdlist, "", 0, 1);
1323 if (!cli_user_command_p (c))
1324 error (_("Not a user command."));
1325 show_user_1 (c, "", args, gdb_stdout);
1329 for (c = cmdlist; c; c = c->next)
1331 if (cli_user_command_p (c) || c->prefixlist != NULL)
1332 show_user_1 (c, "", c->name, gdb_stdout);
1337 /* Search through names of commands and documentations for a certain
1338 regular expression. */
1341 apropos_command (char *searchstr, int from_tty)
1346 if (searchstr == NULL)
1347 error (_("REGEXP string is empty"));
1349 code = regcomp (&pattern, searchstr, REG_ICASE);
1352 struct cleanup *cleanups;
1354 cleanups = make_regfree_cleanup (&pattern);
1355 apropos_cmd (gdb_stdout, cmdlist, &pattern, "");
1356 do_cleanups (cleanups);
1360 char *err = get_regcomp_error (code, &pattern);
1362 make_cleanup (xfree, err);
1363 error (_("Error in regular expression: %s"), err);
1367 /* Subroutine of alias_command to simplify it.
1368 Return the first N elements of ARGV flattened back to a string
1369 with a space separating each element.
1370 ARGV may not be NULL.
1371 This does not take care of quoting elements in case they contain spaces
1375 argv_to_dyn_string (char **argv, int n)
1378 dyn_string_t result = dyn_string_new (10);
1380 gdb_assert (argv != NULL);
1381 gdb_assert (n >= 0 && n <= countargv (argv));
1383 for (i = 0; i < n; ++i)
1386 dyn_string_append_char (result, ' ');
1387 dyn_string_append_cstr (result, argv[i]);
1393 /* Subroutine of alias_command to simplify it.
1394 Return TRUE if COMMAND exists, unambiguously. Otherwise FALSE. */
1397 valid_command_p (const char *command)
1399 struct cmd_list_element *c;
1401 c = lookup_cmd_1 (& command, cmdlist, NULL, 1);
1403 if (c == NULL || c == (struct cmd_list_element *) -1)
1406 /* This is the slightly tricky part.
1407 lookup_cmd_1 will return a pointer to the last part of COMMAND
1408 to match, leaving COMMAND pointing at the remainder. */
1409 while (*command == ' ' || *command == '\t')
1411 return *command == '\0';
1414 /* Make an alias of an existing command. */
1417 alias_command (char *args, int from_tty)
1419 int i, alias_argc, command_argc;
1420 int abbrev_flag = 0;
1421 char *args2, *equals, *alias, *command;
1422 char **alias_argv, **command_argv;
1423 dyn_string_t alias_dyn_string, command_dyn_string;
1424 struct cleanup *cleanup;
1425 static const char usage[] = N_("Usage: alias [-a] [--] ALIAS = COMMAND");
1427 if (args == NULL || strchr (args, '=') == NULL)
1430 args2 = xstrdup (args);
1431 cleanup = make_cleanup (xfree, args2);
1432 equals = strchr (args2, '=');
1434 alias_argv = gdb_buildargv (args2);
1435 make_cleanup_freeargv (alias_argv);
1436 command_argv = gdb_buildargv (equals + 1);
1437 make_cleanup_freeargv (command_argv);
1439 for (i = 0; alias_argv[i] != NULL; )
1441 if (strcmp (alias_argv[i], "-a") == 0)
1446 else if (strcmp (alias_argv[i], "--") == 0)
1455 if (alias_argv[0] == NULL || command_argv[0] == NULL
1456 || *alias_argv[0] == '\0' || *command_argv[0] == '\0')
1459 for (i = 0; alias_argv[i] != NULL; ++i)
1461 if (! valid_user_defined_cmd_name_p (alias_argv[i]))
1464 error (_("Invalid command name: %s"), alias_argv[i]);
1466 error (_("Invalid command element name: %s"), alias_argv[i]);
1470 alias_argc = countargv (alias_argv);
1471 command_argc = countargv (command_argv);
1473 /* COMMAND must exist.
1474 Reconstruct the command to remove any extraneous spaces,
1475 for better error messages. */
1476 command_dyn_string = argv_to_dyn_string (command_argv, command_argc);
1477 make_cleanup_dyn_string_delete (command_dyn_string);
1478 command = dyn_string_buf (command_dyn_string);
1479 if (! valid_command_p (command))
1480 error (_("Invalid command to alias to: %s"), command);
1482 /* ALIAS must not exist. */
1483 alias_dyn_string = argv_to_dyn_string (alias_argv, alias_argc);
1484 make_cleanup_dyn_string_delete (alias_dyn_string);
1485 alias = dyn_string_buf (alias_dyn_string);
1486 if (valid_command_p (alias))
1487 error (_("Alias already exists: %s"), alias);
1489 /* If ALIAS is one word, it is an alias for the entire COMMAND.
1490 Example: alias spe = set print elements
1492 Otherwise ALIAS and COMMAND must have the same number of words,
1493 and every word except the last must match; and the last word of
1494 ALIAS is made an alias of the last word of COMMAND.
1495 Example: alias set print elms = set pr elem
1496 Note that unambiguous abbreviations are allowed. */
1498 if (alias_argc == 1)
1500 /* add_cmd requires *we* allocate space for name, hence the xstrdup. */
1501 add_com_alias (xstrdup (alias_argv[0]), command, class_alias,
1506 dyn_string_t alias_prefix_dyn_string, command_prefix_dyn_string;
1507 const char *alias_prefix, *command_prefix;
1508 struct cmd_list_element *c_alias, *c_command;
1510 if (alias_argc != command_argc)
1511 error (_("Mismatched command length between ALIAS and COMMAND."));
1513 /* Create copies of ALIAS and COMMAND without the last word,
1514 and use that to verify the leading elements match. */
1515 alias_prefix_dyn_string =
1516 argv_to_dyn_string (alias_argv, alias_argc - 1);
1517 make_cleanup_dyn_string_delete (alias_prefix_dyn_string);
1518 command_prefix_dyn_string =
1519 argv_to_dyn_string (alias_argv, command_argc - 1);
1520 make_cleanup_dyn_string_delete (command_prefix_dyn_string);
1521 alias_prefix = dyn_string_buf (alias_prefix_dyn_string);
1522 command_prefix = dyn_string_buf (command_prefix_dyn_string);
1524 c_command = lookup_cmd_1 (& command_prefix, cmdlist, NULL, 1);
1525 /* We've already tried to look up COMMAND. */
1526 gdb_assert (c_command != NULL
1527 && c_command != (struct cmd_list_element *) -1);
1528 gdb_assert (c_command->prefixlist != NULL);
1529 c_alias = lookup_cmd_1 (& alias_prefix, cmdlist, NULL, 1);
1530 if (c_alias != c_command)
1531 error (_("ALIAS and COMMAND prefixes do not match."));
1533 /* add_cmd requires *we* allocate space for name, hence the xstrdup. */
1534 add_alias_cmd (xstrdup (alias_argv[alias_argc - 1]),
1535 command_argv[command_argc - 1],
1536 class_alias, abbrev_flag, c_command->prefixlist);
1539 do_cleanups (cleanup);
1542 /* Print a list of files and line numbers which a user may choose from
1543 in order to list a function which was specified ambiguously (as
1544 with `list classname::overloadedfuncname', for example). The
1545 vector in SALS provides the filenames and line numbers. */
1548 ambiguous_line_spec (struct symtabs_and_lines *sals)
1552 for (i = 0; i < sals->nelts; ++i)
1553 printf_filtered (_("file: \"%s\", line number: %d\n"),
1554 symtab_to_filename_for_display (sals->sals[i].symtab),
1555 sals->sals[i].line);
1558 /* Sort function for filter_sals. */
1561 compare_symtabs (const void *a, const void *b)
1563 const struct symtab_and_line *sala = (const struct symtab_and_line *) a;
1564 const struct symtab_and_line *salb = (const struct symtab_and_line *) b;
1565 const char *dira = SYMTAB_DIRNAME (sala->symtab);
1566 const char *dirb = SYMTAB_DIRNAME (salb->symtab);
1574 else if (dirb == NULL)
1581 r = filename_cmp (dira, dirb);
1586 r = filename_cmp (sala->symtab->filename, salb->symtab->filename);
1590 if (sala->line < salb->line)
1592 return sala->line == salb->line ? 0 : 1;
1595 /* Remove any SALs that do not match the current program space, or
1596 which appear to be "file:line" duplicates. */
1599 filter_sals (struct symtabs_and_lines *sals)
1604 for (i = 0; i < sals->nelts; ++i)
1606 if (sals->sals[i].pspace == current_program_space
1607 && sals->sals[i].symtab != NULL)
1609 sals->sals[out] = sals->sals[i];
1615 qsort (sals->sals, sals->nelts, sizeof (struct symtab_and_line),
1620 for (i = 1; i < sals->nelts; ++i)
1622 if (compare_symtabs (&sals->sals[prev], &sals->sals[i]))
1624 /* Symtabs differ. */
1625 sals->sals[out] = sals->sals[i];
1631 if (sals->nelts == 0)
1641 set_debug (char *arg, int from_tty)
1643 printf_unfiltered (_("\"set debug\" must be followed by "
1644 "the name of a debug subcommand.\n"));
1645 help_list (setdebuglist, "set debug ", all_commands, gdb_stdout);
1649 show_debug (char *args, int from_tty)
1651 cmd_show_list (showdebuglist, from_tty, "");
1655 init_cmd_lists (void)
1657 max_user_call_depth = 1024;
1661 show_info_verbose (struct ui_file *file, int from_tty,
1662 struct cmd_list_element *c,
1666 fprintf_filtered (file,
1667 _("Verbose printing of informational messages is %s.\n"),
1670 fprintf_filtered (file, _("Verbosity is %s.\n"), value);
1674 show_history_expansion_p (struct ui_file *file, int from_tty,
1675 struct cmd_list_element *c, const char *value)
1677 fprintf_filtered (file, _("History expansion on command input is %s.\n"),
1682 show_remote_debug (struct ui_file *file, int from_tty,
1683 struct cmd_list_element *c, const char *value)
1685 fprintf_filtered (file, _("Debugging of remote protocol is %s.\n"),
1690 show_remote_timeout (struct ui_file *file, int from_tty,
1691 struct cmd_list_element *c, const char *value)
1693 fprintf_filtered (file,
1694 _("Timeout limit to wait for target to respond is %s.\n"),
1699 show_max_user_call_depth (struct ui_file *file, int from_tty,
1700 struct cmd_list_element *c, const char *value)
1702 fprintf_filtered (file,
1703 _("The max call depth for user-defined commands is %s.\n"),
1709 initialize_file_ftype _initialize_cli_cmds;
1712 _initialize_cli_cmds (void)
1714 struct cmd_list_element *c;
1716 /* Define the classes of commands.
1717 They will appear in the help list in alphabetical order. */
1719 add_cmd ("internals", class_maintenance, NULL, _("\
1720 Maintenance commands.\n\
1721 Some gdb commands are provided just for use by gdb maintainers.\n\
1722 These commands are subject to frequent change, and may not be as\n\
1723 well documented as user commands."),
1725 add_cmd ("obscure", class_obscure, NULL, _("Obscure features."), &cmdlist);
1726 add_cmd ("aliases", class_alias, NULL,
1727 _("Aliases of other commands."), &cmdlist);
1728 add_cmd ("user-defined", class_user, NULL, _("\
1729 User-defined commands.\n\
1730 The commands in this class are those defined by the user.\n\
1731 Use the \"define\" command to define a command."), &cmdlist);
1732 add_cmd ("support", class_support, NULL, _("Support facilities."), &cmdlist);
1734 add_cmd ("status", class_info, NULL, _("Status inquiries."), &cmdlist);
1735 add_cmd ("files", class_files, NULL, _("Specifying and examining files."),
1737 add_cmd ("breakpoints", class_breakpoint, NULL,
1738 _("Making program stop at certain points."), &cmdlist);
1739 add_cmd ("data", class_vars, NULL, _("Examining data."), &cmdlist);
1740 add_cmd ("stack", class_stack, NULL, _("\
1741 Examining the stack.\n\
1742 The stack is made up of stack frames. Gdb assigns numbers to stack frames\n\
1743 counting from zero for the innermost (currently executing) frame.\n\n\
1744 At any time gdb identifies one frame as the \"selected\" frame.\n\
1745 Variable lookups are done with respect to the selected frame.\n\
1746 When the program being debugged stops, gdb selects the innermost frame.\n\
1747 The commands below can be used to select other frames by number or address."),
1749 add_cmd ("running", class_run, NULL, _("Running the program."), &cmdlist);
1751 /* Define general commands. */
1753 add_com ("pwd", class_files, pwd_command, _("\
1754 Print working directory. This is used for your program as well."));
1756 c = add_cmd ("cd", class_files, cd_command, _("\
1757 Set working directory to DIR for debugger and program being debugged.\n\
1758 The change does not take effect for the program being debugged\n\
1759 until the next time it is started."), &cmdlist);
1760 set_cmd_completer (c, filename_completer);
1762 add_com ("echo", class_support, echo_command, _("\
1763 Print a constant string. Give string as argument.\n\
1764 C escape sequences may be used in the argument.\n\
1765 No newline is added at the end of the argument;\n\
1766 use \"\\n\" if you want a newline to be printed.\n\
1767 Since leading and trailing whitespace are ignored in command arguments,\n\
1768 if you want to print some you must use \"\\\" before leading whitespace\n\
1769 to be printed or after trailing whitespace."));
1771 add_setshow_enum_cmd ("script-extension", class_support,
1772 script_ext_enums, &script_ext_mode, _("\
1773 Set mode for script filename extension recognition."), _("\
1774 Show mode for script filename extension recognition."), _("\
1775 off == no filename extension recognition (all sourced files are GDB scripts)\n\
1776 soft == evaluate script according to filename extension, fallback to GDB script"
1778 strict == evaluate script according to filename extension, error if not supported"
1781 show_script_ext_mode,
1782 &setlist, &showlist);
1784 add_com ("quit", class_support, quit_command, _("\
1786 Usage: quit [EXPR]\n\
1787 The optional expression EXPR, if present, is evaluated and the result\n\
1788 used as GDB's exit code. The default is zero."));
1789 c = add_com ("help", class_support, help_command,
1790 _("Print list of commands."));
1791 set_cmd_completer (c, command_completer);
1792 add_com_alias ("q", "quit", class_support, 1);
1793 add_com_alias ("h", "help", class_support, 1);
1795 add_setshow_boolean_cmd ("verbose", class_support, &info_verbose, _("\
1796 Set verbosity."), _("\
1797 Show verbosity."), NULL,
1800 &setlist, &showlist);
1802 add_prefix_cmd ("history", class_support, set_history,
1803 _("Generic command for setting command history parameters."),
1804 &sethistlist, "set history ", 0, &setlist);
1805 add_prefix_cmd ("history", class_support, show_history,
1806 _("Generic command for showing command history parameters."),
1807 &showhistlist, "show history ", 0, &showlist);
1809 add_setshow_boolean_cmd ("expansion", no_class, &history_expansion_p, _("\
1810 Set history expansion on command input."), _("\
1811 Show history expansion on command input."), _("\
1812 Without an argument, history expansion is enabled."),
1814 show_history_expansion_p,
1815 &sethistlist, &showhistlist);
1817 add_prefix_cmd ("info", class_info, info_command, _("\
1818 Generic command for showing things about the program being debugged."),
1819 &infolist, "info ", 0, &cmdlist);
1820 add_com_alias ("i", "info", class_info, 1);
1821 add_com_alias ("inf", "info", class_info, 1);
1823 add_com ("complete", class_obscure, complete_command,
1824 _("List the completions for the rest of the line as a command."));
1826 add_prefix_cmd ("show", class_info, show_command, _("\
1827 Generic command for showing things about the debugger."),
1828 &showlist, "show ", 0, &cmdlist);
1829 /* Another way to get at the same thing. */
1830 add_info ("set", show_command, _("Show all GDB settings."));
1832 add_cmd ("commands", no_set_class, show_commands, _("\
1833 Show the history of commands you typed.\n\
1834 You can supply a command number to start with, or a `+' to start after\n\
1835 the previous command number shown."),
1838 add_cmd ("version", no_set_class, show_version,
1839 _("Show what version of GDB this is."), &showlist);
1841 add_cmd ("configuration", no_set_class, show_configuration,
1842 _("Show how GDB was configured at build time."), &showlist);
1844 add_setshow_zinteger_cmd ("remote", no_class, &remote_debug, _("\
1845 Set debugging of remote protocol."), _("\
1846 Show debugging of remote protocol."), _("\
1847 When enabled, each packet sent or received with the remote target\n\
1851 &setdebuglist, &showdebuglist);
1853 add_setshow_zuinteger_unlimited_cmd ("remotetimeout", no_class,
1854 &remote_timeout, _("\
1855 Set timeout limit to wait for target to respond."), _("\
1856 Show timeout limit to wait for target to respond."), _("\
1857 This value is used to set the time limit for gdb to wait for a response\n\
1860 show_remote_timeout,
1861 &setlist, &showlist);
1863 add_prefix_cmd ("debug", no_class, set_debug,
1864 _("Generic command for setting gdb debugging flags"),
1865 &setdebuglist, "set debug ", 0, &setlist);
1867 add_prefix_cmd ("debug", no_class, show_debug,
1868 _("Generic command for showing gdb debugging flags"),
1869 &showdebuglist, "show debug ", 0, &showlist);
1871 c = add_com ("shell", class_support, shell_escape, _("\
1872 Execute the rest of the line as a shell command.\n\
1873 With no arguments, run an inferior shell."));
1874 set_cmd_completer (c, filename_completer);
1876 c = add_com ("edit", class_files, edit_command, _("\
1877 Edit specified file or function.\n\
1878 With no argument, edits file containing most recent line listed.\n\
1879 Editing targets can be specified in these ways:\n\
1880 FILE:LINENUM, to edit at that line in that file,\n\
1881 FUNCTION, to edit at the beginning of that function,\n\
1882 FILE:FUNCTION, to distinguish among like-named static functions.\n\
1883 *ADDRESS, to edit at the line containing that address.\n\
1884 Uses EDITOR environment variable contents as editor (or ex as default)."));
1886 c->completer = location_completer;
1888 add_com ("list", class_files, list_command, _("\
1889 List specified function or line.\n\
1890 With no argument, lists ten more lines after or around previous listing.\n\
1891 \"list -\" lists the ten lines before a previous ten-line listing.\n\
1892 One argument specifies a line, and ten lines are listed around that line.\n\
1893 Two arguments with comma between specify starting and ending lines to list.\n\
1894 Lines can be specified in these ways:\n\
1895 LINENUM, to list around that line in current file,\n\
1896 FILE:LINENUM, to list around that line in that file,\n\
1897 FUNCTION, to list around beginning of that function,\n\
1898 FILE:FUNCTION, to distinguish among like-named static functions.\n\
1899 *ADDRESS, to list around the line containing that address.\n\
1900 With two args if one is empty it stands for ten lines away from \
1903 add_com_alias ("l", "list", class_files, 1);
1906 add_com_alias ("file", "list", class_files, 1);
1908 c = add_com ("disassemble", class_vars, disassemble_command, _("\
1909 Disassemble a specified section of memory.\n\
1910 Default is the function surrounding the pc of the selected frame.\n\
1912 With a /m modifier, source lines are included (if available).\n\
1913 This view is \"source centric\": the output is in source line order,\n\
1914 regardless of any optimization that is present. Only the main source file\n\
1915 is displayed, not those of, e.g., any inlined functions.\n\
1916 This modifier hasn't proved useful in practice and is deprecated\n\
1919 With a /s modifier, source lines are included (if available).\n\
1920 This differs from /m in two important respects:\n\
1921 - the output is still in pc address order, and\n\
1922 - file names and contents for all relevant source files are displayed.\n\
1924 With a /r modifier, raw instructions in hex are included.\n\
1926 With a single argument, the function surrounding that address is dumped.\n\
1927 Two arguments (separated by a comma) are taken as a range of memory to dump,\n\
1928 in the form of \"start,end\", or \"start,+length\".\n\
1930 Note that the address is interpreted as an expression, not as a location\n\
1931 like in the \"break\" command.\n\
1932 So, for example, if you want to disassemble function bar in file foo.c\n\
1933 you must type \"disassemble 'foo.c'::bar\" and not \"disassemble foo.c:bar\"."));
1934 set_cmd_completer (c, location_completer);
1936 add_com_alias ("!", "shell", class_support, 0);
1938 c = add_com ("make", class_support, make_command, _("\
1939 Run the ``make'' program using the rest of the line as arguments."));
1940 set_cmd_completer (c, filename_completer);
1941 add_cmd ("user", no_class, show_user, _("\
1942 Show definitions of non-python/scheme user defined commands.\n\
1943 Argument is the name of the user defined command.\n\
1944 With no argument, show definitions of all user defined commands."), &showlist);
1945 add_com ("apropos", class_support, apropos_command,
1946 _("Search for commands matching a REGEXP"));
1948 add_setshow_uinteger_cmd ("max-user-call-depth", no_class,
1949 &max_user_call_depth, _("\
1950 Set the max call depth for non-python/scheme user-defined commands."), _("\
1951 Show the max call depth for non-python/scheme user-defined commands."), NULL,
1953 show_max_user_call_depth,
1954 &setlist, &showlist);
1956 add_setshow_boolean_cmd ("trace-commands", no_class, &trace_commands, _("\
1957 Set tracing of GDB CLI commands."), _("\
1958 Show state of GDB CLI command tracing."), _("\
1959 When 'on', each command is displayed as it is executed."),
1962 &setlist, &showlist);
1964 c = add_com ("alias", class_support, alias_command, _("\
1965 Define a new command that is an alias of an existing command.\n\
1966 Usage: alias [-a] [--] ALIAS = COMMAND\n\
1967 ALIAS is the name of the alias command to create.\n\
1968 COMMAND is the command being aliased to.\n\
1969 If \"-a\" is specified, the command is an abbreviation,\n\
1970 and will not appear in help command list output.\n\
1973 Make \"spe\" an alias of \"set print elements\":\n\
1974 alias spe = set print elements\n\
1975 Make \"elms\" an alias of \"elements\" in the \"set print\" command:\n\
1976 alias -a set print elms = set print elements"));
1980 init_cli_cmds (void)
1982 struct cmd_list_element *c;
1983 char *source_help_text;
1985 source_help_text = xstrprintf (_("\
1986 Read commands from a file named FILE.\n\
1988 Usage: source [-s] [-v] FILE\n\
1989 -s: search for the script in the source search path,\n\
1990 even if FILE contains directories.\n\
1991 -v: each command in FILE is echoed as it is executed.\n\
1993 Note that the file \"%s\" is read automatically in this way\n\
1994 when GDB is started."), gdbinit);
1995 c = add_cmd ("source", class_support, source_command,
1996 source_help_text, &cmdlist);
1997 set_cmd_completer (c, filename_completer);