3 Copyright (C) 2000-2005, 2007-2012 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 "exceptions.h"
22 #include "arch-utils.h"
23 #include "dyn-string.h"
24 #include "readline/readline.h"
25 #include "readline/tilde.h"
26 #include "completer.h"
27 #include "target.h" /* For baud_rate, remote_debug and remote_timeout. */
28 #include "gdb_wait.h" /* For shell escape implementation. */
29 #include "gdb_regex.h" /* Used by apropos_command. */
30 #include "gdb_string.h"
31 #include "gdb_vfork.h"
33 #include "expression.h"
37 #include "filenames.h" /* For DOSish file names. */
41 #include "tracepoint.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"
51 #include "python/python.h"
54 #include "tui/tui.h" /* For tui_active et.al. */
59 /* Prototypes for local command functions */
61 static void complete_command (char *, int);
63 static void echo_command (char *, int);
65 static void pwd_command (char *, int);
67 static void show_version (char *, int);
69 static void help_command (char *, int);
71 static void show_command (char *, int);
73 static void info_command (char *, int);
75 static void show_debug (char *, int);
77 static void set_debug (char *, int);
79 static void show_user (char *, int);
81 static void make_command (char *, int);
83 static void shell_escape (char *, int);
85 static void edit_command (char *, int);
87 static void list_command (char *, int);
89 /* Prototypes for local utility functions */
91 static void ambiguous_line_spec (struct symtabs_and_lines *);
93 static void filter_sals (struct symtabs_and_lines *);
96 /* Limit the call depth of user-defined commands */
97 unsigned int max_user_call_depth;
99 /* Define all cmd_list_elements. */
101 /* Chain containing all defined commands. */
103 struct cmd_list_element *cmdlist;
105 /* Chain containing all defined info subcommands. */
107 struct cmd_list_element *infolist;
109 /* Chain containing all defined enable subcommands. */
111 struct cmd_list_element *enablelist;
113 /* Chain containing all defined disable subcommands. */
115 struct cmd_list_element *disablelist;
117 /* Chain containing all defined toggle subcommands. */
119 struct cmd_list_element *togglelist;
121 /* Chain containing all defined stop subcommands. */
123 struct cmd_list_element *stoplist;
125 /* Chain containing all defined delete subcommands. */
127 struct cmd_list_element *deletelist;
129 /* Chain containing all defined detach subcommands. */
131 struct cmd_list_element *detachlist;
133 /* Chain containing all defined kill subcommands. */
135 struct cmd_list_element *killlist;
137 /* Chain containing all defined set subcommands */
139 struct cmd_list_element *setlist;
141 /* Chain containing all defined unset subcommands */
143 struct cmd_list_element *unsetlist;
145 /* Chain containing all defined show subcommands. */
147 struct cmd_list_element *showlist;
149 /* Chain containing all defined \"set history\". */
151 struct cmd_list_element *sethistlist;
153 /* Chain containing all defined \"show history\". */
155 struct cmd_list_element *showhistlist;
157 /* Chain containing all defined \"unset history\". */
159 struct cmd_list_element *unsethistlist;
161 /* Chain containing all defined maintenance subcommands. */
163 struct cmd_list_element *maintenancelist;
165 /* Chain containing all defined "maintenance info" subcommands. */
167 struct cmd_list_element *maintenanceinfolist;
169 /* Chain containing all defined "maintenance print" subcommands. */
171 struct cmd_list_element *maintenanceprintlist;
173 struct cmd_list_element *setprintlist;
175 struct cmd_list_element *showprintlist;
177 struct cmd_list_element *setdebuglist;
179 struct cmd_list_element *showdebuglist;
181 struct cmd_list_element *setchecklist;
183 struct cmd_list_element *showchecklist;
185 /* Command tracing state. */
187 int source_verbose = 0;
188 int trace_commands = 0;
190 /* 'script-extension' option support. */
192 static const char script_ext_off[] = "off";
193 static const char script_ext_soft[] = "soft";
194 static const char script_ext_strict[] = "strict";
196 static const char *const script_ext_enums[] = {
203 static const char *script_ext_mode = script_ext_soft;
205 /* Utility used everywhere when at least one argument is needed and
209 error_no_arg (char *why)
211 error (_("Argument required (%s)."), why);
214 /* The "info" command is defined as a prefix, with allow_unknown = 0.
215 Therefore, its own definition is called only for "info" with no
219 info_command (char *arg, int from_tty)
221 printf_unfiltered (_("\"info\" must be followed by "
222 "the name of an info command.\n"));
223 help_list (infolist, "info ", -1, gdb_stdout);
226 /* The "show" command with no arguments shows all the settings. */
229 show_command (char *arg, int from_tty)
231 cmd_show_list (showlist, from_tty, "");
234 /* Provide documentation on command or list given by COMMAND. FROM_TTY
238 help_command (char *command, int from_tty)
240 help_cmd (command, gdb_stdout);
243 /* The "complete" command is used by Emacs to implement completion. */
246 complete_command (char *arg, int from_tty)
249 char *point, *arg_prefix;
250 VEC (char_ptr) *completions;
256 argpoint = strlen (arg);
258 /* complete_line assumes that its first argument is somewhere
259 within, and except for filenames at the beginning of, the word to
260 be completed. The following crude imitation of readline's
261 word-breaking tries to accomodate this. */
262 point = arg + argpoint;
265 if (strchr (rl_completer_word_break_characters, point[-1]) != 0)
270 arg_prefix = alloca (point - arg + 1);
271 memcpy (arg_prefix, arg, point - arg);
272 arg_prefix[point - arg] = 0;
274 completions = complete_line (point, arg, argpoint);
278 int ix, size = VEC_length (char_ptr, completions);
279 char *item, *prev = NULL;
281 qsort (VEC_address (char_ptr, completions), size,
282 sizeof (char *), compare_strings);
284 /* We do extra processing here since we only want to print each
286 for (ix = 0; VEC_iterate (char_ptr, completions, ix, item); ++ix)
290 if (prev == NULL || strcmp (item, prev) != 0)
292 printf_unfiltered ("%s%s\n", arg_prefix, item);
301 VEC_free (char_ptr, completions);
306 is_complete_command (struct cmd_list_element *c)
308 return cmd_cfunc_eq (c, complete_command);
312 show_version (char *args, int from_tty)
314 print_gdb_version (gdb_stdout);
315 printf_filtered ("\n");
318 /* Handle the quit command. */
321 quit_command (char *args, int from_tty)
323 if (!quit_confirm ())
324 error (_("Not confirmed."));
326 disconnect_tracing (from_tty);
328 quit_force (args, from_tty);
332 pwd_command (char *args, int from_tty)
335 error (_("The \"pwd\" command does not take an argument: %s"), args);
336 if (! getcwd (gdb_dirbuf, sizeof (gdb_dirbuf)))
337 error (_("Error finding name of working directory: %s"),
338 safe_strerror (errno));
340 if (strcmp (gdb_dirbuf, current_directory) != 0)
341 printf_unfiltered (_("Working directory %s\n (canonically %s).\n"),
342 current_directory, gdb_dirbuf);
344 printf_unfiltered (_("Working directory %s.\n"), current_directory);
348 cd_command (char *dir, int from_tty)
351 /* Found something other than leading repetitions of "/..". */
355 /* If the new directory is absolute, repeat is a no-op; if relative,
356 repeat might be useful but is more likely to be a mistake. */
362 dir = tilde_expand (dir);
363 make_cleanup (xfree, dir);
366 perror_with_name (dir);
368 #ifdef HAVE_DOS_BASED_FILE_SYSTEM
369 /* There's too much mess with DOSish names like "d:", "d:.",
370 "d:./foo" etc. Instead of having lots of special #ifdef'ed code,
371 simply get the canonicalized name of the current directory. */
372 dir = getcwd (gdb_dirbuf, sizeof (gdb_dirbuf));
376 if (IS_DIR_SEPARATOR (dir[len - 1]))
378 /* Remove the trailing slash unless this is a root directory
379 (including a drive letter on non-Unix systems). */
380 if (!(len == 1) /* "/" */
381 #ifdef HAVE_DOS_BASED_FILE_SYSTEM
382 && !(len == 3 && dir[1] == ':') /* "d:/" */
388 dir = savestring (dir, len);
389 if (IS_ABSOLUTE_PATH (dir))
390 current_directory = dir;
393 if (IS_DIR_SEPARATOR (current_directory[strlen (current_directory) - 1]))
394 current_directory = concat (current_directory, dir, (char *)NULL);
396 current_directory = concat (current_directory, SLASH_STRING,
401 /* Now simplify any occurrences of `.' and `..' in the pathname. */
404 for (p = current_directory; *p;)
406 if (IS_DIR_SEPARATOR (p[0]) && p[1] == '.'
407 && (p[2] == 0 || IS_DIR_SEPARATOR (p[2])))
408 memmove (p, p + 2, strlen (p + 2) + 1);
409 else if (IS_DIR_SEPARATOR (p[0]) && p[1] == '.' && p[2] == '.'
410 && (p[3] == 0 || IS_DIR_SEPARATOR (p[3])))
414 /* Search backwards for the directory just before the "/.."
415 and obliterate it and the "/..". */
418 while (q != current_directory && !IS_DIR_SEPARATOR (q[-1]))
421 if (q == current_directory)
422 /* current_directory is
423 a relative pathname ("can't happen"--leave it alone). */
427 memmove (q - 1, p + 3, strlen (p + 3) + 1);
432 /* We are dealing with leading repetitions of "/..", for
433 example "/../..", which is the Mach super-root. */
443 forget_cached_source_info ();
446 pwd_command ((char *) 0, 1);
449 /* Show the current value of the 'script-extension' option. */
452 show_script_ext_mode (struct ui_file *file, int from_tty,
453 struct cmd_list_element *c, const char *value)
455 fprintf_filtered (file,
456 _("Script filename extension recognition is \"%s\".\n"),
460 /* Try to open SCRIPT_FILE.
461 If successful, the full path name is stored in *FULL_PATHP,
462 the stream is stored in *STREAMP, and return 1.
463 The caller is responsible for freeing *FULL_PATHP.
464 If not successful, return 0; errno is set for the last file
467 If SEARCH_PATH is non-zero, and the file isn't found in cwd,
468 search for it in the source search path.
470 NOTE: This calls openp which uses xfullpath to compute the full path
471 instead of gdb_realpath. Symbolic links are not resolved. */
474 find_and_open_script (const char *script_file, int search_path,
475 FILE **streamp, char **full_pathp)
479 struct cleanup *old_cleanups;
480 int search_flags = OPF_TRY_CWD_FIRST;
482 file = tilde_expand (script_file);
483 old_cleanups = make_cleanup (xfree, file);
486 search_flags |= OPF_SEARCH_IN_PATH;
488 /* Search for and open 'file' on the search path used for source
489 files. Put the full location in *FULL_PATHP. */
490 fd = openp (source_path, search_flags,
491 file, O_RDONLY, full_pathp);
495 int save_errno = errno;
496 do_cleanups (old_cleanups);
501 do_cleanups (old_cleanups);
503 *streamp = fdopen (fd, FOPEN_RT);
504 if (*streamp == NULL)
506 int save_errno = errno;
518 /* Load script FILE, which has already been opened as STREAM. */
521 source_script_from_stream (FILE *stream, const char *file)
523 if (script_ext_mode != script_ext_off
524 && strlen (file) > 3 && !strcmp (&file[strlen (file) - 3], ".py"))
526 volatile struct gdb_exception e;
528 TRY_CATCH (e, RETURN_MASK_ERROR)
530 source_python_script (stream, file);
534 /* Should we fallback to ye olde GDB script mode? */
535 if (script_ext_mode == script_ext_soft
536 && e.reason == RETURN_ERROR && e.error == UNSUPPORTED_ERROR)
538 fseek (stream, 0, SEEK_SET);
539 script_from_file (stream, (char*) file);
543 /* Nope, just punt. */
549 script_from_file (stream, file);
552 /* Worker to perform the "source" command.
554 If SEARCH_PATH is non-zero, and the file isn't found in cwd,
555 search for it in the source search path. */
558 source_script_with_search (const char *file, int from_tty, int search_path)
562 struct cleanup *old_cleanups;
564 if (file == NULL || *file == 0)
565 error (_("source command requires file name of file to source."));
567 if (!find_and_open_script (file, search_path, &stream, &full_path))
569 /* The script wasn't found, or was otherwise inaccessible.
570 If the source command was invoked interactively, throw an
571 error. Otherwise (e.g. if it was invoked by a script),
572 silently ignore the error. */
574 perror_with_name (file);
579 old_cleanups = make_cleanup (xfree, full_path);
580 make_cleanup_fclose (stream);
581 /* The python support reopens the file, so we need to pass full_path here
582 in case the file was found on the search path. It's useful to do this
583 anyway so that error messages show the actual file used. But only do
584 this if we (may have) used search_path, as printing the full path in
585 errors for the non-search case can be more noise than signal. */
586 source_script_from_stream (stream, search_path ? full_path : file);
587 do_cleanups (old_cleanups);
590 /* Wrapper around source_script_with_search to export it to main.c
591 for use in loading .gdbinit scripts. */
594 source_script (char *file, int from_tty)
596 source_script_with_search (file, from_tty, 0);
599 /* Return the source_verbose global variable to its previous state
600 on exit from the source command, by whatever means. */
602 source_verbose_cleanup (void *old_value)
604 source_verbose = *(int *)old_value;
609 source_command (char *args, int from_tty)
611 struct cleanup *old_cleanups;
613 int *old_source_verbose = xmalloc (sizeof(int));
616 *old_source_verbose = source_verbose;
617 old_cleanups = make_cleanup (source_verbose_cleanup,
620 /* -v causes the source command to run in verbose mode.
621 -s causes the file to be searched in the source search path,
622 even if the file name contains a '/'.
623 We still have to be able to handle filenames with spaces in a
624 backward compatible way, so buildargv is not appropriate. */
628 while (args[0] != '\0')
630 /* Make sure leading white space does not break the
632 while (isspace(args[0]))
638 if (args[1] == 'v' && isspace (args[2]))
642 /* Skip passed -v. */
645 else if (args[1] == 's' && isspace (args[2]))
649 /* Skip passed -s. */
656 while (isspace (args[0]))
661 source_script_with_search (file, from_tty, search_path);
663 do_cleanups (old_cleanups);
668 echo_command (char *text, int from_tty)
674 while ((c = *p++) != '\0')
678 /* \ at end of argument is used after spaces
679 so they won't be lost. */
683 c = parse_escape (get_current_arch (), &p);
685 printf_filtered ("%c", c);
688 printf_filtered ("%c", c);
691 /* Force this output to appear now. */
693 gdb_flush (gdb_stdout);
697 shell_escape (char *arg, int from_tty)
699 #if defined(CANT_FORK) || \
700 (!defined(HAVE_WORKING_VFORK) && !defined(HAVE_WORKING_FORK))
701 /* If ARG is NULL, they want an inferior shell, but `system' just
702 reports if the shell is available when passed a NULL arg. */
703 int rc = system (arg ? arg : "");
706 arg = "inferior shell";
710 fprintf_unfiltered (gdb_stderr, "Cannot execute %s: %s\n", arg,
711 safe_strerror (errno));
712 gdb_flush (gdb_stderr);
716 fprintf_unfiltered (gdb_stderr, "%s exited with status %d\n", arg, rc);
717 gdb_flush (gdb_stderr);
720 /* Make sure to return to the directory GDB thinks it is, in case
721 the shell command we just ran changed it. */
722 chdir (current_directory);
724 #else /* Can fork. */
727 if ((pid = vfork ()) == 0)
729 const char *p, *user_shell;
731 if ((user_shell = (char *) getenv ("SHELL")) == NULL)
732 user_shell = "/bin/sh";
734 /* Get the name of the shell for arg0. */
735 p = lbasename (user_shell);
738 execl (user_shell, p, (char *) 0);
740 execl (user_shell, p, "-c", arg, (char *) 0);
742 fprintf_unfiltered (gdb_stderr, "Cannot execute %s: %s\n", user_shell,
743 safe_strerror (errno));
744 gdb_flush (gdb_stderr);
749 waitpid (pid, &status, 0);
751 error (_("Fork failed"));
752 #endif /* Can fork. */
756 edit_command (char *arg, int from_tty)
758 struct symtabs_and_lines sals;
759 struct symtab_and_line sal;
766 /* Pull in the current default source line if necessary. */
769 set_default_source_symtab_and_line ();
770 sal = get_current_source_symtab_and_line ();
773 /* Bare "edit" edits file with present line. */
778 error (_("No default source file yet."));
779 sal.line += get_lines_to_list () / 2;
783 /* Now should only be one argument -- decode it in SAL. */
786 sals = decode_line_1 (&arg1, DECODE_LINE_LIST_MODE, 0, 0);
796 ambiguous_line_spec (&sals);
805 error (_("Junk at end of line specification."));
807 /* If line was specified by address, first print exactly which
808 line, and which file. In this case, sal.symtab == 0 means
809 address is outside of all known source files, not that user
810 failed to give a filename. */
813 struct gdbarch *gdbarch;
816 /* FIXME-32x64--assumes sal.pc fits in long. */
817 error (_("No source file for address %s."),
818 hex_string ((unsigned long) sal.pc));
820 gdbarch = get_objfile_arch (sal.symtab->objfile);
821 sym = find_pc_function (sal.pc);
823 printf_filtered ("%s is in %s (%s:%d).\n",
824 paddress (gdbarch, sal.pc),
825 SYMBOL_PRINT_NAME (sym),
826 sal.symtab->filename, sal.line);
828 printf_filtered ("%s is at %s:%d.\n",
829 paddress (gdbarch, sal.pc),
830 sal.symtab->filename, sal.line);
833 /* If what was given does not imply a symtab, it must be an
834 undebuggable symbol which means no source code. */
837 error (_("No line number known for %s."), arg);
840 if ((editor = (char *) getenv ("EDITOR")) == NULL)
843 /* If we don't already know the full absolute file name of the
844 source file, find it now. */
845 if (!sal.symtab->fullname)
847 fn = symtab_to_fullname (sal.symtab);
852 fn = sal.symtab->fullname;
854 /* Quote the file name, in case it has whitespace or other special
856 p = xstrprintf ("%s +%d \"%s\"", editor, sal.line, fn);
857 shell_escape (p, from_tty);
862 list_command (char *arg, int from_tty)
864 struct symtabs_and_lines sals, sals_end;
865 struct symtab_and_line sal = { 0 };
866 struct symtab_and_line sal_end = { 0 };
867 struct symtab_and_line cursal = { 0 };
876 /* Pull in the current default source line if necessary. */
877 if (arg == 0 || arg[0] == '+' || arg[0] == '-')
879 set_default_source_symtab_and_line ();
880 cursal = get_current_source_symtab_and_line ();
883 /* "l" or "l +" lists next ten lines. */
885 if (arg == 0 || strcmp (arg, "+") == 0)
887 print_source_lines (cursal.symtab, cursal.line,
888 cursal.line + get_lines_to_list (), 0);
892 /* "l -" lists previous ten lines, the ones before the ten just
894 if (strcmp (arg, "-") == 0)
896 print_source_lines (cursal.symtab,
897 max (get_first_line_listed ()
898 - get_lines_to_list (), 1),
899 get_first_line_listed (), 0);
903 /* Now if there is only one argument, decode it in SAL
905 If there are two arguments, decode them in SAL and SAL_END
906 and clear NO_END; however, if one of the arguments is blank,
907 set DUMMY_BEG or DUMMY_END to record that fact. */
909 if (!have_full_symbols () && !have_partial_symbols ())
910 error (_("No symbol table is loaded. Use the \"file\" command."));
917 sals = decode_line_1 (&arg1, DECODE_LINE_LIST_MODE, 0, 0);
924 ambiguous_line_spec (&sals);
933 /* Record whether the BEG arg is all digits. */
935 for (p = arg; p != arg1 && *p >= '0' && *p <= '9'; p++);
936 linenum_beg = (p == arg1);
938 while (*arg1 == ' ' || *arg1 == '\t')
944 while (*arg1 == ' ' || *arg1 == '\t')
951 sals_end = decode_line_1 (&arg1, DECODE_LINE_LIST_MODE, 0, 0);
953 sals_end = decode_line_1 (&arg1, DECODE_LINE_LIST_MODE,
954 sal.symtab, sal.line);
955 filter_sals (&sals_end);
956 if (sals_end.nelts == 0)
958 if (sals_end.nelts > 1)
960 ambiguous_line_spec (&sals_end);
961 xfree (sals_end.sals);
964 sal_end = sals_end.sals[0];
965 xfree (sals_end.sals);
970 error (_("Junk at end of line specification."));
972 if (!no_end && !dummy_beg && !dummy_end
973 && sal.symtab != sal_end.symtab)
974 error (_("Specified start and end are in different files."));
975 if (dummy_beg && dummy_end)
976 error (_("Two empty args do not say what lines to list."));
978 /* If line was specified by address,
979 first print exactly which line, and which file.
981 In this case, sal.symtab == 0 means address is outside of all
982 known source files, not that user failed to give a filename. */
985 struct gdbarch *gdbarch;
988 /* FIXME-32x64--assumes sal.pc fits in long. */
989 error (_("No source file for address %s."),
990 hex_string ((unsigned long) sal.pc));
992 gdbarch = get_objfile_arch (sal.symtab->objfile);
993 sym = find_pc_function (sal.pc);
995 printf_filtered ("%s is in %s (%s:%d).\n",
996 paddress (gdbarch, sal.pc),
997 SYMBOL_PRINT_NAME (sym),
998 sal.symtab->filename, sal.line);
1000 printf_filtered ("%s is at %s:%d.\n",
1001 paddress (gdbarch, sal.pc),
1002 sal.symtab->filename, sal.line);
1005 /* If line was not specified by just a line number, and it does not
1006 imply a symtab, it must be an undebuggable symbol which means no
1009 if (!linenum_beg && sal.symtab == 0)
1010 error (_("No line number known for %s."), arg);
1012 /* If this command is repeated with RET,
1013 turn it into the no-arg variant. */
1018 if (dummy_beg && sal_end.symtab == 0)
1019 error (_("No default source file yet. Do \"help list\"."));
1021 print_source_lines (sal_end.symtab,
1022 max (sal_end.line - (get_lines_to_list () - 1), 1),
1023 sal_end.line + 1, 0);
1024 else if (sal.symtab == 0)
1025 error (_("No default source file yet. Do \"help list\"."));
1028 int first_line = sal.line - get_lines_to_list () / 2;
1030 if (first_line < 1) first_line = 1;
1032 print_source_lines (sal.symtab,
1034 first_line + get_lines_to_list (),
1038 print_source_lines (sal.symtab, sal.line,
1040 ? sal.line + get_lines_to_list ()
1041 : sal_end.line + 1),
1045 /* Subroutine of disassemble_command to simplify it.
1046 Perform the disassembly.
1047 NAME is the name of the function if known, or NULL.
1048 [LOW,HIGH) are the range of addresses to disassemble.
1049 MIXED is non-zero to print source with the assembler. */
1052 print_disassembly (struct gdbarch *gdbarch, const char *name,
1053 CORE_ADDR low, CORE_ADDR high, int flags)
1056 if (!tui_is_window_visible (DISASSEM_WIN))
1059 printf_filtered ("Dump of assembler code ");
1061 printf_filtered ("for function %s:\n", name);
1063 printf_filtered ("from %s to %s:\n",
1064 paddress (gdbarch, low), paddress (gdbarch, high));
1066 /* Dump the specified range. */
1067 gdb_disassembly (gdbarch, current_uiout, 0, flags, -1, low, high);
1069 printf_filtered ("End of assembler dump.\n");
1070 gdb_flush (gdb_stdout);
1075 tui_show_assembly (gdbarch, low);
1080 /* Subroutine of disassemble_command to simplify it.
1081 Print a disassembly of the current function according to FLAGS. */
1084 disassemble_current_function (int flags)
1086 struct frame_info *frame;
1087 struct gdbarch *gdbarch;
1088 CORE_ADDR low, high, pc;
1091 frame = get_selected_frame (_("No frame selected."));
1092 gdbarch = get_frame_arch (frame);
1093 pc = get_frame_address_in_block (frame);
1094 if (find_pc_partial_function (pc, &name, &low, &high) == 0)
1095 error (_("No function contains program counter for selected frame."));
1097 /* NOTE: cagney/2003-02-13 The `tui_active' was previously
1100 /* FIXME: cagney/2004-02-07: This should be an observer. */
1101 low = tui_get_low_disassembly_address (gdbarch, low, pc);
1103 low += gdbarch_deprecated_function_start_offset (gdbarch);
1105 print_disassembly (gdbarch, name, low, high, flags);
1108 /* Dump a specified section of assembly code.
1112 - dump the assembly code for the function of the current pc
1113 disassemble [/mr] addr
1114 - dump the assembly code for the function at ADDR
1115 disassemble [/mr] low,high
1116 disassemble [/mr] low,+length
1117 - dump the assembly code in the range [LOW,HIGH), or [LOW,LOW+length)
1119 A /m modifier will include source code with the assembly.
1120 A /r modifier will include raw instructions in hex with the assembly. */
1123 disassemble_command (char *arg, int from_tty)
1125 struct gdbarch *gdbarch = get_current_arch ();
1126 CORE_ADDR low, high;
1134 if (arg && *arg == '/')
1139 error (_("Missing modifier."));
1141 while (*arg && ! isspace (*arg))
1146 flags |= DISASSEMBLY_SOURCE;
1149 flags |= DISASSEMBLY_RAW_INSN;
1152 error (_("Invalid disassembly modifier."));
1156 while (isspace (*arg))
1160 if (! arg || ! *arg)
1162 flags |= DISASSEMBLY_OMIT_FNAME;
1163 disassemble_current_function (flags);
1167 pc = value_as_address (parse_to_comma_and_eval (&arg));
1173 if (find_pc_partial_function (pc, &name, &low, &high) == 0)
1174 error (_("No function contains specified address."));
1176 /* NOTE: cagney/2003-02-13 The `tui_active' was previously
1179 /* FIXME: cagney/2004-02-07: This should be an observer. */
1180 low = tui_get_low_disassembly_address (gdbarch, low, pc);
1182 low += gdbarch_deprecated_function_start_offset (gdbarch);
1183 flags |= DISASSEMBLY_OMIT_FNAME;
1187 /* Two arguments. */
1190 while (isspace (*arg))
1197 high = parse_and_eval_address (arg);
1202 print_disassembly (gdbarch, name, low, high, flags);
1206 make_command (char *arg, int from_tty)
1214 p = xmalloc (sizeof ("make ") + strlen (arg));
1215 strcpy (p, "make ");
1216 strcpy (p + sizeof ("make ") - 1, arg);
1219 shell_escape (p, from_tty);
1223 show_user (char *args, int from_tty)
1225 struct cmd_list_element *c;
1226 extern struct cmd_list_element *cmdlist;
1230 char *comname = args;
1232 c = lookup_cmd (&comname, cmdlist, "", 0, 1);
1233 /* c->user_commands would be NULL if it's a python command. */
1234 if (c->class != class_user || !c->user_commands)
1235 error (_("Not a user command."));
1236 show_user_1 (c, "", args, gdb_stdout);
1240 for (c = cmdlist; c; c = c->next)
1242 if (c->class == class_user || c->prefixlist != NULL)
1243 show_user_1 (c, "", c->name, gdb_stdout);
1248 /* Search through names of commands and documentations for a certain
1249 regular expression. */
1252 apropos_command (char *searchstr, int from_tty)
1257 if (searchstr == NULL)
1258 error (_("REGEXP string is empty"));
1260 code = regcomp (&pattern, searchstr, REG_ICASE);
1263 struct cleanup *cleanups;
1265 cleanups = make_regfree_cleanup (&pattern);
1266 apropos_cmd (gdb_stdout, cmdlist, &pattern, "");
1267 do_cleanups (cleanups);
1271 char *err = get_regcomp_error (code, &pattern);
1273 make_cleanup (xfree, err);
1274 error (_("Error in regular expression: %s"), err);
1278 /* Subroutine of alias_command to simplify it.
1279 Return the first N elements of ARGV flattened back to a string
1280 with a space separating each element.
1281 ARGV may not be NULL.
1282 This does not take care of quoting elements in case they contain spaces
1286 argv_to_dyn_string (char **argv, int n)
1289 dyn_string_t result = dyn_string_new (10);
1291 gdb_assert (argv != NULL);
1292 gdb_assert (n >= 0 && n <= countargv (argv));
1294 for (i = 0; i < n; ++i)
1297 dyn_string_append_char (result, ' ');
1298 dyn_string_append_cstr (result, argv[i]);
1304 /* Subroutine of alias_command to simplify it.
1305 Return TRUE if COMMAND exists, unambiguously. Otherwise FALSE. */
1308 valid_command_p (char *command)
1310 struct cmd_list_element *c;
1312 c = lookup_cmd_1 (& command, cmdlist, NULL, 1);
1314 if (c == NULL || c == (struct cmd_list_element *) -1)
1317 /* This is the slightly tricky part.
1318 lookup_cmd_1 will return a pointer to the last part of COMMAND
1319 to match, leaving COMMAND pointing at the remainder. */
1320 while (*command == ' ' || *command == '\t')
1322 return *command == '\0';
1325 /* Make an alias of an existing command. */
1328 alias_command (char *args, int from_tty)
1330 int i, alias_argc, command_argc;
1331 int abbrev_flag = 0;
1332 char *args2, *equals, *alias, *command;
1333 char **alias_argv, **command_argv;
1334 dyn_string_t alias_dyn_string, command_dyn_string;
1335 struct cmd_list_element *c;
1336 static const char usage[] = N_("Usage: alias [-a] [--] ALIAS = COMMAND");
1338 if (args == NULL || strchr (args, '=') == NULL)
1341 args2 = xstrdup (args);
1342 make_cleanup (xfree, args2);
1343 equals = strchr (args2, '=');
1345 alias_argv = gdb_buildargv (args2);
1346 make_cleanup_freeargv (alias_argv);
1347 command_argv = gdb_buildargv (equals + 1);
1348 make_cleanup_freeargv (command_argv);
1350 for (i = 0; alias_argv[i] != NULL; )
1352 if (strcmp (alias_argv[i], "-a") == 0)
1357 else if (strcmp (alias_argv[i], "--") == 0)
1366 if (alias_argv[0] == NULL || command_argv[0] == NULL
1367 || *alias_argv[0] == '\0' || *command_argv[0] == '\0')
1370 for (i = 0; alias_argv[i] != NULL; ++i)
1372 if (! valid_user_defined_cmd_name_p (alias_argv[i]))
1375 error (_("Invalid command name: %s"), alias_argv[i]);
1377 error (_("Invalid command element name: %s"), alias_argv[i]);
1381 alias_argc = countargv (alias_argv);
1382 command_argc = countargv (command_argv);
1384 /* COMMAND must exist.
1385 Reconstruct the command to remove any extraneous spaces,
1386 for better error messages. */
1387 command_dyn_string = argv_to_dyn_string (command_argv, command_argc);
1388 make_cleanup_dyn_string_delete (command_dyn_string);
1389 command = dyn_string_buf (command_dyn_string);
1390 if (! valid_command_p (command))
1391 error (_("Invalid command to alias to: %s"), command);
1393 /* ALIAS must not exist. */
1394 alias_dyn_string = argv_to_dyn_string (alias_argv, alias_argc);
1395 make_cleanup_dyn_string_delete (alias_dyn_string);
1396 alias = dyn_string_buf (alias_dyn_string);
1397 if (valid_command_p (alias))
1398 error (_("Alias already exists: %s"), alias);
1400 /* If ALIAS is one word, it is an alias for the entire COMMAND.
1401 Example: alias spe = set print elements
1403 Otherwise ALIAS and COMMAND must have the same number of words,
1404 and every word except the last must match; and the last word of
1405 ALIAS is made an alias of the last word of COMMAND.
1406 Example: alias set print elms = set pr elem
1407 Note that unambiguous abbreviations are allowed. */
1409 if (alias_argc == 1)
1411 /* add_cmd requires *we* allocate space for name, hence the xstrdup. */
1412 add_com_alias (xstrdup (alias_argv[0]), command, class_alias,
1417 dyn_string_t alias_prefix_dyn_string, command_prefix_dyn_string;
1418 char *alias_prefix, *command_prefix;
1419 struct cmd_list_element *c_alias, *c_command;
1421 if (alias_argc != command_argc)
1422 error (_("Mismatched command length between ALIAS and COMMAND."));
1424 /* Create copies of ALIAS and COMMAND without the last word,
1425 and use that to verify the leading elements match. */
1426 alias_prefix_dyn_string =
1427 argv_to_dyn_string (alias_argv, alias_argc - 1);
1428 make_cleanup_dyn_string_delete (alias_prefix_dyn_string);
1429 command_prefix_dyn_string =
1430 argv_to_dyn_string (alias_argv, command_argc - 1);
1431 make_cleanup_dyn_string_delete (command_prefix_dyn_string);
1432 alias_prefix = dyn_string_buf (alias_prefix_dyn_string);
1433 command_prefix = dyn_string_buf (command_prefix_dyn_string);
1435 c_command = lookup_cmd_1 (& command_prefix, cmdlist, NULL, 1);
1436 /* We've already tried to look up COMMAND. */
1437 gdb_assert (c_command != NULL
1438 && c_command != (struct cmd_list_element *) -1);
1439 gdb_assert (c_command->prefixlist != NULL);
1440 c_alias = lookup_cmd_1 (& alias_prefix, cmdlist, NULL, 1);
1441 if (c_alias != c_command)
1442 error (_("ALIAS and COMMAND prefixes do not match."));
1444 /* add_cmd requires *we* allocate space for name, hence the xstrdup. */
1445 add_alias_cmd (xstrdup (alias_argv[alias_argc - 1]),
1446 command_argv[command_argc - 1],
1447 class_alias, abbrev_flag, c_command->prefixlist);
1451 /* Print a list of files and line numbers which a user may choose from
1452 in order to list a function which was specified ambiguously (as
1453 with `list classname::overloadedfuncname', for example). The
1454 vector in SALS provides the filenames and line numbers. */
1457 ambiguous_line_spec (struct symtabs_and_lines *sals)
1461 for (i = 0; i < sals->nelts; ++i)
1462 printf_filtered (_("file: \"%s\", line number: %d\n"),
1463 sals->sals[i].symtab->filename, sals->sals[i].line);
1466 /* Sort function for filter_sals. */
1469 compare_symtabs (const void *a, const void *b)
1471 const struct symtab_and_line *sala = a;
1472 const struct symtab_and_line *salb = b;
1475 if (!sala->symtab->dirname)
1477 if (salb->symtab->dirname)
1480 else if (!salb->symtab->dirname)
1482 if (sala->symtab->dirname)
1487 r = filename_cmp (sala->symtab->dirname, salb->symtab->dirname);
1492 r = filename_cmp (sala->symtab->filename, salb->symtab->filename);
1496 if (sala->line < salb->line)
1498 return sala->line == salb->line ? 0 : 1;
1501 /* Remove any SALs that do not match the current program space, or
1502 which appear to be "file:line" duplicates. */
1505 filter_sals (struct symtabs_and_lines *sals)
1510 for (i = 0; i < sals->nelts; ++i)
1512 if (sals->sals[i].pspace == current_program_space
1513 && sals->sals[i].symtab != NULL)
1515 sals->sals[out] = sals->sals[i];
1521 qsort (sals->sals, sals->nelts, sizeof (struct symtab_and_line),
1526 for (i = 1; i < sals->nelts; ++i)
1528 if (compare_symtabs (&sals->sals[prev], &sals->sals[i]))
1530 /* Symtabs differ. */
1531 sals->sals[out] = sals->sals[i];
1537 if (sals->nelts == 0)
1547 set_debug (char *arg, int from_tty)
1549 printf_unfiltered (_("\"set debug\" must be followed by "
1550 "the name of a debug subcommand.\n"));
1551 help_list (setdebuglist, "set debug ", -1, gdb_stdout);
1555 show_debug (char *args, int from_tty)
1557 cmd_show_list (showdebuglist, from_tty, "");
1561 init_cmd_lists (void)
1563 max_user_call_depth = 1024;
1577 showhistlist = NULL;
1578 unsethistlist = NULL;
1579 maintenancelist = NULL;
1580 maintenanceinfolist = NULL;
1581 maintenanceprintlist = NULL;
1582 setprintlist = NULL;
1583 showprintlist = NULL;
1584 setchecklist = NULL;
1585 showchecklist = NULL;
1589 show_info_verbose (struct ui_file *file, int from_tty,
1590 struct cmd_list_element *c,
1594 fprintf_filtered (file,
1595 _("Verbose printing of informational messages is %s.\n"),
1598 fprintf_filtered (file, _("Verbosity is %s.\n"), value);
1602 show_history_expansion_p (struct ui_file *file, int from_tty,
1603 struct cmd_list_element *c, const char *value)
1605 fprintf_filtered (file, _("History expansion on command input is %s.\n"),
1610 show_baud_rate (struct ui_file *file, int from_tty,
1611 struct cmd_list_element *c, const char *value)
1613 fprintf_filtered (file, _("Baud rate for remote serial I/O is %s.\n"),
1618 show_remote_debug (struct ui_file *file, int from_tty,
1619 struct cmd_list_element *c, const char *value)
1621 fprintf_filtered (file, _("Debugging of remote protocol is %s.\n"),
1626 show_remote_timeout (struct ui_file *file, int from_tty,
1627 struct cmd_list_element *c, const char *value)
1629 fprintf_filtered (file,
1630 _("Timeout limit to wait for target to respond is %s.\n"),
1635 show_max_user_call_depth (struct ui_file *file, int from_tty,
1636 struct cmd_list_element *c, const char *value)
1638 fprintf_filtered (file,
1639 _("The max call depth for user-defined commands is %s.\n"),
1645 initialize_file_ftype _initialize_cli_cmds;
1648 _initialize_cli_cmds (void)
1650 struct cmd_list_element *c;
1652 /* Define the classes of commands.
1653 They will appear in the help list in alphabetical order. */
1655 add_cmd ("internals", class_maintenance, NULL, _("\
1656 Maintenance commands.\n\
1657 Some gdb commands are provided just for use by gdb maintainers.\n\
1658 These commands are subject to frequent change, and may not be as\n\
1659 well documented as user commands."),
1661 add_cmd ("obscure", class_obscure, NULL, _("Obscure features."), &cmdlist);
1662 add_cmd ("aliases", class_alias, NULL,
1663 _("Aliases of other commands."), &cmdlist);
1664 add_cmd ("user-defined", class_user, NULL, _("\
1665 User-defined commands.\n\
1666 The commands in this class are those defined by the user.\n\
1667 Use the \"define\" command to define a command."), &cmdlist);
1668 add_cmd ("support", class_support, NULL, _("Support facilities."), &cmdlist);
1670 add_cmd ("status", class_info, NULL, _("Status inquiries."), &cmdlist);
1671 add_cmd ("files", class_files, NULL, _("Specifying and examining files."),
1673 add_cmd ("breakpoints", class_breakpoint, NULL,
1674 _("Making program stop at certain points."), &cmdlist);
1675 add_cmd ("data", class_vars, NULL, _("Examining data."), &cmdlist);
1676 add_cmd ("stack", class_stack, NULL, _("\
1677 Examining the stack.\n\
1678 The stack is made up of stack frames. Gdb assigns numbers to stack frames\n\
1679 counting from zero for the innermost (currently executing) frame.\n\n\
1680 At any time gdb identifies one frame as the \"selected\" frame.\n\
1681 Variable lookups are done with respect to the selected frame.\n\
1682 When the program being debugged stops, gdb selects the innermost frame.\n\
1683 The commands below can be used to select other frames by number or address."),
1685 add_cmd ("running", class_run, NULL, _("Running the program."), &cmdlist);
1687 /* Define general commands. */
1689 add_com ("pwd", class_files, pwd_command, _("\
1690 Print working directory. This is used for your program as well."));
1692 c = add_cmd ("cd", class_files, cd_command, _("\
1693 Set working directory to DIR for debugger and program being debugged.\n\
1694 The change does not take effect for the program being debugged\n\
1695 until the next time it is started."), &cmdlist);
1696 set_cmd_completer (c, filename_completer);
1698 add_com ("echo", class_support, echo_command, _("\
1699 Print a constant string. Give string as argument.\n\
1700 C escape sequences may be used in the argument.\n\
1701 No newline is added at the end of the argument;\n\
1702 use \"\\n\" if you want a newline to be printed.\n\
1703 Since leading and trailing whitespace are ignored in command arguments,\n\
1704 if you want to print some you must use \"\\\" before leading whitespace\n\
1705 to be printed or after trailing whitespace."));
1707 add_setshow_enum_cmd ("script-extension", class_support,
1708 script_ext_enums, &script_ext_mode, _("\
1709 Set mode for script filename extension recognition."), _("\
1710 Show mode for script filename extension recognition."), _("\
1711 off == no filename extension recognition (all sourced files are GDB scripts)\n\
1712 soft == evaluate script according to filename extension, fallback to GDB script"
1714 strict == evaluate script according to filename extension, error if not supported"
1717 show_script_ext_mode,
1718 &setlist, &showlist);
1720 add_com ("quit", class_support, quit_command, _("Exit gdb."));
1721 c = add_com ("help", class_support, help_command,
1722 _("Print list of commands."));
1723 set_cmd_completer (c, command_completer);
1724 add_com_alias ("q", "quit", class_support, 1);
1725 add_com_alias ("h", "help", class_support, 1);
1727 add_setshow_boolean_cmd ("verbose", class_support, &info_verbose, _("\
1728 Set verbosity."), _("\
1729 Show verbosity."), NULL,
1732 &setlist, &showlist);
1734 add_prefix_cmd ("history", class_support, set_history,
1735 _("Generic command for setting command history parameters."),
1736 &sethistlist, "set history ", 0, &setlist);
1737 add_prefix_cmd ("history", class_support, show_history,
1738 _("Generic command for showing command history parameters."),
1739 &showhistlist, "show history ", 0, &showlist);
1741 add_setshow_boolean_cmd ("expansion", no_class, &history_expansion_p, _("\
1742 Set history expansion on command input."), _("\
1743 Show history expansion on command input."), _("\
1744 Without an argument, history expansion is enabled."),
1746 show_history_expansion_p,
1747 &sethistlist, &showhistlist);
1749 add_prefix_cmd ("info", class_info, info_command, _("\
1750 Generic command for showing things about the program being debugged."),
1751 &infolist, "info ", 0, &cmdlist);
1752 add_com_alias ("i", "info", class_info, 1);
1753 add_com_alias ("inf", "info", class_info, 1);
1755 add_com ("complete", class_obscure, complete_command,
1756 _("List the completions for the rest of the line as a command."));
1758 add_prefix_cmd ("show", class_info, show_command, _("\
1759 Generic command for showing things about the debugger."),
1760 &showlist, "show ", 0, &cmdlist);
1761 /* Another way to get at the same thing. */
1762 add_info ("set", show_command, _("Show all GDB settings."));
1764 add_cmd ("commands", no_set_class, show_commands, _("\
1765 Show the history of commands you typed.\n\
1766 You can supply a command number to start with, or a `+' to start after\n\
1767 the previous command number shown."),
1770 add_cmd ("version", no_set_class, show_version,
1771 _("Show what version of GDB this is."), &showlist);
1773 /* If target is open when baud changes, it doesn't take effect until
1774 the next open (I think, not sure). */
1775 add_setshow_zinteger_cmd ("remotebaud", no_class, &baud_rate, _("\
1776 Set baud rate for remote serial I/O."), _("\
1777 Show baud rate for remote serial I/O."), _("\
1778 This value is used to set the speed of the serial port when debugging\n\
1779 using remote targets."),
1782 &setlist, &showlist);
1784 add_setshow_zinteger_cmd ("remote", no_class, &remote_debug, _("\
1785 Set debugging of remote protocol."), _("\
1786 Show debugging of remote protocol."), _("\
1787 When enabled, each packet sent or received with the remote target\n\
1791 &setdebuglist, &showdebuglist);
1793 add_setshow_zuinteger_unlimited_cmd ("remotetimeout", no_class,
1794 &remote_timeout, _("\
1795 Set timeout limit to wait for target to respond."), _("\
1796 Show timeout limit to wait for target to respond."), _("\
1797 This value is used to set the time limit for gdb to wait for a response\n\
1800 show_remote_timeout,
1801 &setlist, &showlist);
1803 add_prefix_cmd ("debug", no_class, set_debug,
1804 _("Generic command for setting gdb debugging flags"),
1805 &setdebuglist, "set debug ", 0, &setlist);
1807 add_prefix_cmd ("debug", no_class, show_debug,
1808 _("Generic command for showing gdb debugging flags"),
1809 &showdebuglist, "show debug ", 0, &showlist);
1811 c = add_com ("shell", class_support, shell_escape, _("\
1812 Execute the rest of the line as a shell command.\n\
1813 With no arguments, run an inferior shell."));
1814 set_cmd_completer (c, filename_completer);
1816 c = add_com ("edit", class_files, edit_command, _("\
1817 Edit specified file or function.\n\
1818 With no argument, edits file containing most recent line listed.\n\
1819 Editing targets can be specified in these ways:\n\
1820 FILE:LINENUM, to edit at that line in that file,\n\
1821 FUNCTION, to edit at the beginning of that function,\n\
1822 FILE:FUNCTION, to distinguish among like-named static functions.\n\
1823 *ADDRESS, to edit at the line containing that address.\n\
1824 Uses EDITOR environment variable contents as editor (or ex as default)."));
1826 c->completer = location_completer;
1828 add_com ("list", class_files, list_command, _("\
1829 List specified function or line.\n\
1830 With no argument, lists ten more lines after or around previous listing.\n\
1831 \"list -\" lists the ten lines before a previous ten-line listing.\n\
1832 One argument specifies a line, and ten lines are listed around that line.\n\
1833 Two arguments with comma between specify starting and ending lines to list.\n\
1834 Lines can be specified in these ways:\n\
1835 LINENUM, to list around that line in current file,\n\
1836 FILE:LINENUM, to list around that line in that file,\n\
1837 FUNCTION, to list around beginning of that function,\n\
1838 FILE:FUNCTION, to distinguish among like-named static functions.\n\
1839 *ADDRESS, to list around the line containing that address.\n\
1840 With two args if one is empty it stands for ten lines away from \
1844 add_com_alias ("l", "list", class_files, 1);
1846 add_com_alias ("v", "list", class_files, 1);
1849 add_com_alias ("file", "list", class_files, 1);
1851 c = add_com ("disassemble", class_vars, disassemble_command, _("\
1852 Disassemble a specified section of memory.\n\
1853 Default is the function surrounding the pc of the selected frame.\n\
1854 With a /m modifier, source lines are included (if available).\n\
1855 With a /r modifier, raw instructions in hex are included.\n\
1856 With a single argument, the function surrounding that address is dumped.\n\
1857 Two arguments (separated by a comma) are taken as a range of memory to dump,\n\
1858 in the form of \"start,end\", or \"start,+length\"."));
1859 set_cmd_completer (c, location_completer);
1861 add_com_alias ("va", "disassemble", class_xdb, 0);
1863 add_com_alias ("!", "shell", class_support, 0);
1865 c = add_com ("make", class_support, make_command, _("\
1866 Run the ``make'' program using the rest of the line as arguments."));
1867 set_cmd_completer (c, filename_completer);
1868 add_cmd ("user", no_class, show_user, _("\
1869 Show definitions of non-python user defined commands.\n\
1870 Argument is the name of the user defined command.\n\
1871 With no argument, show definitions of all user defined commands."), &showlist);
1872 add_com ("apropos", class_support, apropos_command,
1873 _("Search for commands matching a REGEXP"));
1875 add_setshow_uinteger_cmd ("max-user-call-depth", no_class,
1876 &max_user_call_depth, _("\
1877 Set the max call depth for non-python user-defined commands."), _("\
1878 Show the max call depth for non-python user-defined commands."), NULL,
1880 show_max_user_call_depth,
1881 &setlist, &showlist);
1883 add_setshow_boolean_cmd ("trace-commands", no_class, &trace_commands, _("\
1884 Set tracing of GDB CLI commands."), _("\
1885 Show state of GDB CLI command tracing."), _("\
1886 When 'on', each command is displayed as it is executed."),
1889 &setlist, &showlist);
1891 c = add_com ("alias", class_support, alias_command, _("\
1892 Define a new command that is an alias of an existing command.\n\
1893 Usage: alias [-a] [--] ALIAS = COMMAND\n\
1894 ALIAS is the name of the alias command to create.\n\
1895 COMMAND is the command being aliased to.\n\
1896 If \"-a\" is specified, the command is an abbreviation,\n\
1897 and will not appear in help command list output.\n\
1900 Make \"spe\" an alias of \"set print elements\":\n\
1901 alias spe = set print elements\n\
1902 Make \"elms\" an alias of \"elements\" in the \"set print\" command:\n\
1903 alias -a set print elms = set print elements"));
1907 init_cli_cmds (void)
1909 struct cmd_list_element *c;
1910 char *source_help_text;
1912 source_help_text = xstrprintf (_("\
1913 Read commands from a file named FILE.\n\
1915 Usage: source [-s] [-v] FILE\n\
1916 -s: search for the script in the source search path,\n\
1917 even if FILE contains directories.\n\
1918 -v: each command in FILE is echoed as it is executed.\n\
1920 Note that the file \"%s\" is read automatically in this way\n\
1921 when GDB is started."), gdbinit);
1922 c = add_cmd ("source", class_support, source_command,
1923 source_help_text, &cmdlist);
1924 set_cmd_completer (c, filename_completer);