3 Copyright (C) 2000-2013 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"
42 #include "filestuff.h"
47 #include "cli/cli-decode.h"
48 #include "cli/cli-script.h"
49 #include "cli/cli-setshow.h"
50 #include "cli/cli-cmds.h"
51 #include "cli/cli-utils.h"
53 #include "python/python.h"
56 #include "tui/tui.h" /* For tui_active et.al. */
61 /* Prototypes for local command functions */
63 static void complete_command (char *, int);
65 static void echo_command (char *, int);
67 static void pwd_command (char *, int);
69 static void show_version (char *, int);
71 static void help_command (char *, int);
73 static void show_command (char *, int);
75 static void info_command (char *, int);
77 static void show_debug (char *, int);
79 static void set_debug (char *, int);
81 static void show_user (char *, int);
83 static void make_command (char *, int);
85 static void shell_escape (char *, int);
87 static void edit_command (char *, int);
89 static void list_command (char *, int);
91 /* Prototypes for local utility functions */
93 static void ambiguous_line_spec (struct symtabs_and_lines *);
95 static void filter_sals (struct symtabs_and_lines *);
98 /* Limit the call depth of user-defined commands */
99 unsigned int max_user_call_depth;
101 /* Define all cmd_list_elements. */
103 /* Chain containing all defined commands. */
105 struct cmd_list_element *cmdlist;
107 /* Chain containing all defined info subcommands. */
109 struct cmd_list_element *infolist;
111 /* Chain containing all defined enable subcommands. */
113 struct cmd_list_element *enablelist;
115 /* Chain containing all defined disable subcommands. */
117 struct cmd_list_element *disablelist;
119 /* Chain containing all defined toggle subcommands. */
121 struct cmd_list_element *togglelist;
123 /* Chain containing all defined stop subcommands. */
125 struct cmd_list_element *stoplist;
127 /* Chain containing all defined delete subcommands. */
129 struct cmd_list_element *deletelist;
131 /* Chain containing all defined detach subcommands. */
133 struct cmd_list_element *detachlist;
135 /* Chain containing all defined kill subcommands. */
137 struct cmd_list_element *killlist;
139 /* Chain containing all defined set subcommands */
141 struct cmd_list_element *setlist;
143 /* Chain containing all defined unset subcommands */
145 struct cmd_list_element *unsetlist;
147 /* Chain containing all defined show subcommands. */
149 struct cmd_list_element *showlist;
151 /* Chain containing all defined \"set history\". */
153 struct cmd_list_element *sethistlist;
155 /* Chain containing all defined \"show history\". */
157 struct cmd_list_element *showhistlist;
159 /* Chain containing all defined \"unset history\". */
161 struct cmd_list_element *unsethistlist;
163 /* Chain containing all defined maintenance subcommands. */
165 struct cmd_list_element *maintenancelist;
167 /* Chain containing all defined "maintenance info" subcommands. */
169 struct cmd_list_element *maintenanceinfolist;
171 /* Chain containing all defined "maintenance print" subcommands. */
173 struct cmd_list_element *maintenanceprintlist;
175 struct cmd_list_element *setprintlist;
177 struct cmd_list_element *showprintlist;
179 struct cmd_list_element *setdebuglist;
181 struct cmd_list_element *showdebuglist;
183 struct cmd_list_element *setchecklist;
185 struct cmd_list_element *showchecklist;
187 /* Command tracing state. */
189 int source_verbose = 0;
190 int trace_commands = 0;
192 /* 'script-extension' option support. */
194 static const char script_ext_off[] = "off";
195 static const char script_ext_soft[] = "soft";
196 static const char script_ext_strict[] = "strict";
198 static const char *const script_ext_enums[] = {
205 static const char *script_ext_mode = script_ext_soft;
207 /* Utility used everywhere when at least one argument is needed and
211 error_no_arg (char *why)
213 error (_("Argument required (%s)."), why);
216 /* The "info" command is defined as a prefix, with allow_unknown = 0.
217 Therefore, its own definition is called only for "info" with no
221 info_command (char *arg, int from_tty)
223 printf_unfiltered (_("\"info\" must be followed by "
224 "the name of an info command.\n"));
225 help_list (infolist, "info ", -1, gdb_stdout);
228 /* The "show" command with no arguments shows all the settings. */
231 show_command (char *arg, int from_tty)
233 cmd_show_list (showlist, from_tty, "");
236 /* Provide documentation on command or list given by COMMAND. FROM_TTY
240 help_command (char *command, int from_tty)
242 help_cmd (command, gdb_stdout);
245 /* The "complete" command is used by Emacs to implement completion. */
248 complete_command (char *arg, int from_tty)
251 char *point, *arg_prefix;
252 VEC (char_ptr) *completions;
258 argpoint = strlen (arg);
260 /* complete_line assumes that its first argument is somewhere
261 within, and except for filenames at the beginning of, the word to
262 be completed. The following crude imitation of readline's
263 word-breaking tries to accomodate this. */
264 point = arg + argpoint;
267 if (strchr (rl_completer_word_break_characters, point[-1]) != 0)
272 arg_prefix = alloca (point - arg + 1);
273 memcpy (arg_prefix, arg, point - arg);
274 arg_prefix[point - arg] = 0;
276 completions = complete_line (point, arg, argpoint);
280 int ix, size = VEC_length (char_ptr, completions);
281 char *item, *prev = NULL;
283 qsort (VEC_address (char_ptr, completions), size,
284 sizeof (char *), compare_strings);
286 /* We do extra processing here since we only want to print each
288 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");
319 show_configuration (char *args, int from_tty)
321 print_gdb_configuration (gdb_stdout);
324 /* Handle the quit command. */
327 quit_command (char *args, int from_tty)
329 if (!quit_confirm ())
330 error (_("Not confirmed."));
332 query_if_trace_running (from_tty);
334 quit_force (args, from_tty);
338 pwd_command (char *args, int from_tty)
341 error (_("The \"pwd\" command does not take an argument: %s"), args);
342 if (! getcwd (gdb_dirbuf, sizeof (gdb_dirbuf)))
343 error (_("Error finding name of working directory: %s"),
344 safe_strerror (errno));
346 if (strcmp (gdb_dirbuf, current_directory) != 0)
347 printf_unfiltered (_("Working directory %s\n (canonically %s).\n"),
348 current_directory, gdb_dirbuf);
350 printf_unfiltered (_("Working directory %s.\n"), current_directory);
354 cd_command (char *dir, int from_tty)
357 /* Found something other than leading repetitions of "/..". */
361 /* If the new directory is absolute, repeat is a no-op; if relative,
362 repeat might be useful but is more likely to be a mistake. */
368 dir = tilde_expand (dir);
369 make_cleanup (xfree, dir);
372 perror_with_name (dir);
374 #ifdef HAVE_DOS_BASED_FILE_SYSTEM
375 /* There's too much mess with DOSish names like "d:", "d:.",
376 "d:./foo" etc. Instead of having lots of special #ifdef'ed code,
377 simply get the canonicalized name of the current directory. */
378 dir = getcwd (gdb_dirbuf, sizeof (gdb_dirbuf));
382 if (IS_DIR_SEPARATOR (dir[len - 1]))
384 /* Remove the trailing slash unless this is a root directory
385 (including a drive letter on non-Unix systems). */
386 if (!(len == 1) /* "/" */
387 #ifdef HAVE_DOS_BASED_FILE_SYSTEM
388 && !(len == 3 && dir[1] == ':') /* "d:/" */
394 dir = savestring (dir, len);
395 if (IS_ABSOLUTE_PATH (dir))
396 current_directory = dir;
399 if (IS_DIR_SEPARATOR (current_directory[strlen (current_directory) - 1]))
400 current_directory = concat (current_directory, dir, (char *)NULL);
402 current_directory = concat (current_directory, SLASH_STRING,
407 /* Now simplify any occurrences of `.' and `..' in the pathname. */
410 for (p = current_directory; *p;)
412 if (IS_DIR_SEPARATOR (p[0]) && p[1] == '.'
413 && (p[2] == 0 || IS_DIR_SEPARATOR (p[2])))
414 memmove (p, p + 2, strlen (p + 2) + 1);
415 else if (IS_DIR_SEPARATOR (p[0]) && p[1] == '.' && p[2] == '.'
416 && (p[3] == 0 || IS_DIR_SEPARATOR (p[3])))
420 /* Search backwards for the directory just before the "/.."
421 and obliterate it and the "/..". */
424 while (q != current_directory && !IS_DIR_SEPARATOR (q[-1]))
427 if (q == current_directory)
428 /* current_directory is
429 a relative pathname ("can't happen"--leave it alone). */
433 memmove (q - 1, p + 3, strlen (p + 3) + 1);
438 /* We are dealing with leading repetitions of "/..", for
439 example "/../..", which is the Mach super-root. */
449 forget_cached_source_info ();
452 pwd_command ((char *) 0, 1);
455 /* Show the current value of the 'script-extension' option. */
458 show_script_ext_mode (struct ui_file *file, int from_tty,
459 struct cmd_list_element *c, const char *value)
461 fprintf_filtered (file,
462 _("Script filename extension recognition is \"%s\".\n"),
466 /* Try to open SCRIPT_FILE.
467 If successful, the full path name is stored in *FULL_PATHP,
468 the stream is stored in *STREAMP, and return 1.
469 The caller is responsible for freeing *FULL_PATHP.
470 If not successful, return 0; errno is set for the last file
473 If SEARCH_PATH is non-zero, and the file isn't found in cwd,
474 search for it in the source search path. */
477 find_and_open_script (const char *script_file, int search_path,
478 FILE **streamp, char **full_pathp)
482 struct cleanup *old_cleanups;
483 int search_flags = OPF_TRY_CWD_FIRST;
485 file = tilde_expand (script_file);
486 old_cleanups = make_cleanup (xfree, file);
489 search_flags |= OPF_SEARCH_IN_PATH;
491 /* Search for and open 'file' on the search path used for source
492 files. Put the full location in *FULL_PATHP. */
493 fd = openp (source_path, search_flags,
494 file, O_RDONLY, full_pathp);
498 int save_errno = errno;
499 do_cleanups (old_cleanups);
504 do_cleanups (old_cleanups);
506 *streamp = fdopen (fd, FOPEN_RT);
507 if (*streamp == NULL)
509 int save_errno = errno;
521 /* Load script FILE, which has already been opened as STREAM. */
524 source_script_from_stream (FILE *stream, const char *file)
526 if (script_ext_mode != script_ext_off
527 && strlen (file) > 3 && !strcmp (&file[strlen (file) - 3], ".py"))
529 volatile struct gdb_exception e;
531 TRY_CATCH (e, RETURN_MASK_ERROR)
533 source_python_script (stream, file);
537 /* Should we fallback to ye olde GDB script mode? */
538 if (script_ext_mode == script_ext_soft
539 && e.reason == RETURN_ERROR && e.error == UNSUPPORTED_ERROR)
541 fseek (stream, 0, SEEK_SET);
542 script_from_file (stream, (char*) file);
546 /* Nope, just punt. */
552 script_from_file (stream, file);
555 /* Worker to perform the "source" command.
557 If SEARCH_PATH is non-zero, and the file isn't found in cwd,
558 search for it in the source search path. */
561 source_script_with_search (const char *file, int from_tty, int search_path)
565 struct cleanup *old_cleanups;
567 if (file == NULL || *file == 0)
568 error (_("source command requires file name of file to source."));
570 if (!find_and_open_script (file, search_path, &stream, &full_path))
572 /* The script wasn't found, or was otherwise inaccessible.
573 If the source command was invoked interactively, throw an
574 error. Otherwise (e.g. if it was invoked by a script),
575 silently ignore the error. */
577 perror_with_name (file);
582 old_cleanups = make_cleanup (xfree, full_path);
583 make_cleanup_fclose (stream);
584 /* The python support reopens the file, so we need to pass full_path here
585 in case the file was found on the search path. It's useful to do this
586 anyway so that error messages show the actual file used. But only do
587 this if we (may have) used search_path, as printing the full path in
588 errors for the non-search case can be more noise than signal. */
589 source_script_from_stream (stream, search_path ? full_path : file);
590 do_cleanups (old_cleanups);
593 /* Wrapper around source_script_with_search to export it to main.c
594 for use in loading .gdbinit scripts. */
597 source_script (char *file, int from_tty)
599 source_script_with_search (file, from_tty, 0);
602 /* Return the source_verbose global variable to its previous state
603 on exit from the source command, by whatever means. */
605 source_verbose_cleanup (void *old_value)
607 source_verbose = *(int *)old_value;
612 source_command (char *args, int from_tty)
614 struct cleanup *old_cleanups;
616 int *old_source_verbose = xmalloc (sizeof(int));
619 *old_source_verbose = source_verbose;
620 old_cleanups = make_cleanup (source_verbose_cleanup,
623 /* -v causes the source command to run in verbose mode.
624 -s causes the file to be searched in the source search path,
625 even if the file name contains a '/'.
626 We still have to be able to handle filenames with spaces in a
627 backward compatible way, so buildargv is not appropriate. */
631 while (args[0] != '\0')
633 /* Make sure leading white space does not break the
635 args = skip_spaces (args);
640 if (args[1] == 'v' && isspace (args[2]))
644 /* Skip passed -v. */
647 else if (args[1] == 's' && isspace (args[2]))
651 /* Skip passed -s. */
658 file = skip_spaces (args);
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;
733 if ((user_shell = (char *) getenv ("SHELL")) == NULL)
734 user_shell = "/bin/sh";
736 /* Get the name of the shell for arg0. */
737 p = lbasename (user_shell);
740 execl (user_shell, p, (char *) 0);
742 execl (user_shell, p, "-c", arg, (char *) 0);
744 fprintf_unfiltered (gdb_stderr, "Cannot execute %s: %s\n", user_shell,
745 safe_strerror (errno));
746 gdb_flush (gdb_stderr);
751 waitpid (pid, &status, 0);
753 error (_("Fork failed"));
754 #endif /* Can fork. */
758 edit_command (char *arg, int from_tty)
760 struct symtabs_and_lines sals;
761 struct symtab_and_line sal;
768 /* Pull in the current default source line if necessary. */
771 set_default_source_symtab_and_line ();
772 sal = get_current_source_symtab_and_line ();
775 /* Bare "edit" edits file with present line. */
780 error (_("No default source file yet."));
781 sal.line += get_lines_to_list () / 2;
785 /* Now should only be one argument -- decode it in SAL. */
788 sals = decode_line_1 (&arg1, DECODE_LINE_LIST_MODE, 0, 0);
798 ambiguous_line_spec (&sals);
807 error (_("Junk at end of line specification."));
809 /* If line was specified by address, first print exactly which
810 line, and which file. In this case, sal.symtab == 0 means
811 address is outside of all known source files, not that user
812 failed to give a filename. */
815 struct gdbarch *gdbarch;
818 /* FIXME-32x64--assumes sal.pc fits in long. */
819 error (_("No source file for address %s."),
820 hex_string ((unsigned long) sal.pc));
822 gdbarch = get_objfile_arch (sal.symtab->objfile);
823 sym = find_pc_function (sal.pc);
825 printf_filtered ("%s is in %s (%s:%d).\n",
826 paddress (gdbarch, sal.pc),
827 SYMBOL_PRINT_NAME (sym),
828 symtab_to_filename_for_display (sal.symtab),
831 printf_filtered ("%s is at %s:%d.\n",
832 paddress (gdbarch, sal.pc),
833 symtab_to_filename_for_display (sal.symtab),
837 /* If what was given does not imply a symtab, it must be an
838 undebuggable symbol which means no source code. */
841 error (_("No line number known for %s."), arg);
844 if ((editor = (char *) getenv ("EDITOR")) == NULL)
847 fn = symtab_to_fullname (sal.symtab);
849 /* Quote the file name, in case it has whitespace or other special
851 p = xstrprintf ("%s +%d \"%s\"", editor, sal.line, fn);
852 shell_escape (p, from_tty);
857 list_command (char *arg, int from_tty)
859 struct symtabs_and_lines sals, sals_end;
860 struct symtab_and_line sal = { 0 };
861 struct symtab_and_line sal_end = { 0 };
862 struct symtab_and_line cursal = { 0 };
871 /* Pull in the current default source line if necessary. */
872 if (arg == 0 || arg[0] == '+' || arg[0] == '-')
874 set_default_source_symtab_and_line ();
875 cursal = get_current_source_symtab_and_line ();
878 /* "l" or "l +" lists next ten lines. */
880 if (arg == 0 || strcmp (arg, "+") == 0)
882 print_source_lines (cursal.symtab, cursal.line,
883 cursal.line + get_lines_to_list (), 0);
887 /* "l -" lists previous ten lines, the ones before the ten just
889 if (strcmp (arg, "-") == 0)
891 print_source_lines (cursal.symtab,
892 max (get_first_line_listed ()
893 - get_lines_to_list (), 1),
894 get_first_line_listed (), 0);
898 /* Now if there is only one argument, decode it in SAL
900 If there are two arguments, decode them in SAL and SAL_END
901 and clear NO_END; however, if one of the arguments is blank,
902 set DUMMY_BEG or DUMMY_END to record that fact. */
904 if (!have_full_symbols () && !have_partial_symbols ())
905 error (_("No symbol table is loaded. Use the \"file\" command."));
912 sals = decode_line_1 (&arg1, DECODE_LINE_LIST_MODE, 0, 0);
919 ambiguous_line_spec (&sals);
928 /* Record whether the BEG arg is all digits. */
930 for (p = arg; p != arg1 && *p >= '0' && *p <= '9'; p++);
931 linenum_beg = (p == arg1);
933 while (*arg1 == ' ' || *arg1 == '\t')
939 while (*arg1 == ' ' || *arg1 == '\t')
946 sals_end = decode_line_1 (&arg1, DECODE_LINE_LIST_MODE, 0, 0);
948 sals_end = decode_line_1 (&arg1, DECODE_LINE_LIST_MODE,
949 sal.symtab, sal.line);
950 filter_sals (&sals_end);
951 if (sals_end.nelts == 0)
953 if (sals_end.nelts > 1)
955 ambiguous_line_spec (&sals_end);
956 xfree (sals_end.sals);
959 sal_end = sals_end.sals[0];
960 xfree (sals_end.sals);
965 error (_("Junk at end of line specification."));
967 if (!no_end && !dummy_beg && !dummy_end
968 && sal.symtab != sal_end.symtab)
969 error (_("Specified start and end are in different files."));
970 if (dummy_beg && dummy_end)
971 error (_("Two empty args do not say what lines to list."));
973 /* If line was specified by address,
974 first print exactly which line, and which file.
976 In this case, sal.symtab == 0 means address is outside of all
977 known source files, not that user failed to give a filename. */
980 struct gdbarch *gdbarch;
983 /* FIXME-32x64--assumes sal.pc fits in long. */
984 error (_("No source file for address %s."),
985 hex_string ((unsigned long) sal.pc));
987 gdbarch = get_objfile_arch (sal.symtab->objfile);
988 sym = find_pc_function (sal.pc);
990 printf_filtered ("%s is in %s (%s:%d).\n",
991 paddress (gdbarch, sal.pc),
992 SYMBOL_PRINT_NAME (sym),
993 symtab_to_filename_for_display (sal.symtab), sal.line);
995 printf_filtered ("%s is at %s:%d.\n",
996 paddress (gdbarch, sal.pc),
997 symtab_to_filename_for_display (sal.symtab), sal.line);
1000 /* If line was not specified by just a line number, and it does not
1001 imply a symtab, it must be an undebuggable symbol which means no
1004 if (!linenum_beg && sal.symtab == 0)
1005 error (_("No line number known for %s."), arg);
1007 /* If this command is repeated with RET,
1008 turn it into the no-arg variant. */
1013 if (dummy_beg && sal_end.symtab == 0)
1014 error (_("No default source file yet. Do \"help list\"."));
1016 print_source_lines (sal_end.symtab,
1017 max (sal_end.line - (get_lines_to_list () - 1), 1),
1018 sal_end.line + 1, 0);
1019 else if (sal.symtab == 0)
1020 error (_("No default source file yet. Do \"help list\"."));
1023 int first_line = sal.line - get_lines_to_list () / 2;
1025 if (first_line < 1) first_line = 1;
1027 print_source_lines (sal.symtab,
1029 first_line + get_lines_to_list (),
1033 print_source_lines (sal.symtab, sal.line,
1035 ? sal.line + get_lines_to_list ()
1036 : sal_end.line + 1),
1040 /* Subroutine of disassemble_command to simplify it.
1041 Perform the disassembly.
1042 NAME is the name of the function if known, or NULL.
1043 [LOW,HIGH) are the range of addresses to disassemble.
1044 MIXED is non-zero to print source with the assembler. */
1047 print_disassembly (struct gdbarch *gdbarch, const char *name,
1048 CORE_ADDR low, CORE_ADDR high, int flags)
1051 if (!tui_is_window_visible (DISASSEM_WIN))
1054 printf_filtered ("Dump of assembler code ");
1056 printf_filtered ("for function %s:\n", name);
1058 printf_filtered ("from %s to %s:\n",
1059 paddress (gdbarch, low), paddress (gdbarch, high));
1061 /* Dump the specified range. */
1062 gdb_disassembly (gdbarch, current_uiout, 0, flags, -1, low, high);
1064 printf_filtered ("End of assembler dump.\n");
1065 gdb_flush (gdb_stdout);
1070 tui_show_assembly (gdbarch, low);
1075 /* Subroutine of disassemble_command to simplify it.
1076 Print a disassembly of the current function according to FLAGS. */
1079 disassemble_current_function (int flags)
1081 struct frame_info *frame;
1082 struct gdbarch *gdbarch;
1083 CORE_ADDR low, high, pc;
1086 frame = get_selected_frame (_("No frame selected."));
1087 gdbarch = get_frame_arch (frame);
1088 pc = get_frame_address_in_block (frame);
1089 if (find_pc_partial_function (pc, &name, &low, &high) == 0)
1090 error (_("No function contains program counter for selected frame."));
1092 /* NOTE: cagney/2003-02-13 The `tui_active' was previously
1095 /* FIXME: cagney/2004-02-07: This should be an observer. */
1096 low = tui_get_low_disassembly_address (gdbarch, low, pc);
1098 low += gdbarch_deprecated_function_start_offset (gdbarch);
1100 print_disassembly (gdbarch, name, low, high, flags);
1103 /* Dump a specified section of assembly code.
1107 - dump the assembly code for the function of the current pc
1108 disassemble [/mr] addr
1109 - dump the assembly code for the function at ADDR
1110 disassemble [/mr] low,high
1111 disassemble [/mr] low,+length
1112 - dump the assembly code in the range [LOW,HIGH), or [LOW,LOW+length)
1114 A /m modifier will include source code with the assembly.
1115 A /r modifier will include raw instructions in hex with the assembly. */
1118 disassemble_command (char *arg, int from_tty)
1120 struct gdbarch *gdbarch = get_current_arch ();
1121 CORE_ADDR low, high;
1136 error (_("Missing modifier."));
1138 while (*p && ! isspace (*p))
1143 flags |= DISASSEMBLY_SOURCE;
1146 flags |= DISASSEMBLY_RAW_INSN;
1149 error (_("Invalid disassembly modifier."));
1153 p = skip_spaces_const (p);
1158 flags |= DISASSEMBLY_OMIT_FNAME;
1159 disassemble_current_function (flags);
1163 pc = value_as_address (parse_to_comma_and_eval (&p));
1169 if (find_pc_partial_function (pc, &name, &low, &high) == 0)
1170 error (_("No function contains specified address."));
1172 /* NOTE: cagney/2003-02-13 The `tui_active' was previously
1175 /* FIXME: cagney/2004-02-07: This should be an observer. */
1176 low = tui_get_low_disassembly_address (gdbarch, low, pc);
1178 low += gdbarch_deprecated_function_start_offset (gdbarch);
1179 flags |= DISASSEMBLY_OMIT_FNAME;
1183 /* Two arguments. */
1186 p = skip_spaces_const (p);
1192 high = parse_and_eval_address (p);
1197 print_disassembly (gdbarch, name, low, high, flags);
1201 make_command (char *arg, int from_tty)
1209 p = xmalloc (sizeof ("make ") + strlen (arg));
1210 strcpy (p, "make ");
1211 strcpy (p + sizeof ("make ") - 1, arg);
1214 shell_escape (p, from_tty);
1218 show_user (char *args, int from_tty)
1220 struct cmd_list_element *c;
1221 extern struct cmd_list_element *cmdlist;
1225 const char *comname = args;
1227 c = lookup_cmd (&comname, cmdlist, "", 0, 1);
1228 /* c->user_commands would be NULL if it's a python command. */
1229 if (c->class != class_user || !c->user_commands)
1230 error (_("Not a user command."));
1231 show_user_1 (c, "", args, gdb_stdout);
1235 for (c = cmdlist; c; c = c->next)
1237 if (c->class == class_user || c->prefixlist != NULL)
1238 show_user_1 (c, "", c->name, gdb_stdout);
1243 /* Search through names of commands and documentations for a certain
1244 regular expression. */
1247 apropos_command (char *searchstr, int from_tty)
1252 if (searchstr == NULL)
1253 error (_("REGEXP string is empty"));
1255 code = regcomp (&pattern, searchstr, REG_ICASE);
1258 struct cleanup *cleanups;
1260 cleanups = make_regfree_cleanup (&pattern);
1261 apropos_cmd (gdb_stdout, cmdlist, &pattern, "");
1262 do_cleanups (cleanups);
1266 char *err = get_regcomp_error (code, &pattern);
1268 make_cleanup (xfree, err);
1269 error (_("Error in regular expression: %s"), err);
1273 /* Subroutine of alias_command to simplify it.
1274 Return the first N elements of ARGV flattened back to a string
1275 with a space separating each element.
1276 ARGV may not be NULL.
1277 This does not take care of quoting elements in case they contain spaces
1281 argv_to_dyn_string (char **argv, int n)
1284 dyn_string_t result = dyn_string_new (10);
1286 gdb_assert (argv != NULL);
1287 gdb_assert (n >= 0 && n <= countargv (argv));
1289 for (i = 0; i < n; ++i)
1292 dyn_string_append_char (result, ' ');
1293 dyn_string_append_cstr (result, argv[i]);
1299 /* Subroutine of alias_command to simplify it.
1300 Return TRUE if COMMAND exists, unambiguously. Otherwise FALSE. */
1303 valid_command_p (const char *command)
1305 struct cmd_list_element *c;
1307 c = lookup_cmd_1 (& command, cmdlist, NULL, 1);
1309 if (c == NULL || c == (struct cmd_list_element *) -1)
1312 /* This is the slightly tricky part.
1313 lookup_cmd_1 will return a pointer to the last part of COMMAND
1314 to match, leaving COMMAND pointing at the remainder. */
1315 while (*command == ' ' || *command == '\t')
1317 return *command == '\0';
1320 /* Make an alias of an existing command. */
1323 alias_command (char *args, int from_tty)
1325 int i, alias_argc, command_argc;
1326 int abbrev_flag = 0;
1327 char *args2, *equals, *alias, *command;
1328 char **alias_argv, **command_argv;
1329 dyn_string_t alias_dyn_string, command_dyn_string;
1330 static const char usage[] = N_("Usage: alias [-a] [--] ALIAS = COMMAND");
1332 if (args == NULL || strchr (args, '=') == NULL)
1335 args2 = xstrdup (args);
1336 make_cleanup (xfree, args2);
1337 equals = strchr (args2, '=');
1339 alias_argv = gdb_buildargv (args2);
1340 make_cleanup_freeargv (alias_argv);
1341 command_argv = gdb_buildargv (equals + 1);
1342 make_cleanup_freeargv (command_argv);
1344 for (i = 0; alias_argv[i] != NULL; )
1346 if (strcmp (alias_argv[i], "-a") == 0)
1351 else if (strcmp (alias_argv[i], "--") == 0)
1360 if (alias_argv[0] == NULL || command_argv[0] == NULL
1361 || *alias_argv[0] == '\0' || *command_argv[0] == '\0')
1364 for (i = 0; alias_argv[i] != NULL; ++i)
1366 if (! valid_user_defined_cmd_name_p (alias_argv[i]))
1369 error (_("Invalid command name: %s"), alias_argv[i]);
1371 error (_("Invalid command element name: %s"), alias_argv[i]);
1375 alias_argc = countargv (alias_argv);
1376 command_argc = countargv (command_argv);
1378 /* COMMAND must exist.
1379 Reconstruct the command to remove any extraneous spaces,
1380 for better error messages. */
1381 command_dyn_string = argv_to_dyn_string (command_argv, command_argc);
1382 make_cleanup_dyn_string_delete (command_dyn_string);
1383 command = dyn_string_buf (command_dyn_string);
1384 if (! valid_command_p (command))
1385 error (_("Invalid command to alias to: %s"), command);
1387 /* ALIAS must not exist. */
1388 alias_dyn_string = argv_to_dyn_string (alias_argv, alias_argc);
1389 make_cleanup_dyn_string_delete (alias_dyn_string);
1390 alias = dyn_string_buf (alias_dyn_string);
1391 if (valid_command_p (alias))
1392 error (_("Alias already exists: %s"), alias);
1394 /* If ALIAS is one word, it is an alias for the entire COMMAND.
1395 Example: alias spe = set print elements
1397 Otherwise ALIAS and COMMAND must have the same number of words,
1398 and every word except the last must match; and the last word of
1399 ALIAS is made an alias of the last word of COMMAND.
1400 Example: alias set print elms = set pr elem
1401 Note that unambiguous abbreviations are allowed. */
1403 if (alias_argc == 1)
1405 /* add_cmd requires *we* allocate space for name, hence the xstrdup. */
1406 add_com_alias (xstrdup (alias_argv[0]), command, class_alias,
1411 dyn_string_t alias_prefix_dyn_string, command_prefix_dyn_string;
1412 const char *alias_prefix, *command_prefix;
1413 struct cmd_list_element *c_alias, *c_command;
1415 if (alias_argc != command_argc)
1416 error (_("Mismatched command length between ALIAS and COMMAND."));
1418 /* Create copies of ALIAS and COMMAND without the last word,
1419 and use that to verify the leading elements match. */
1420 alias_prefix_dyn_string =
1421 argv_to_dyn_string (alias_argv, alias_argc - 1);
1422 make_cleanup_dyn_string_delete (alias_prefix_dyn_string);
1423 command_prefix_dyn_string =
1424 argv_to_dyn_string (alias_argv, command_argc - 1);
1425 make_cleanup_dyn_string_delete (command_prefix_dyn_string);
1426 alias_prefix = dyn_string_buf (alias_prefix_dyn_string);
1427 command_prefix = dyn_string_buf (command_prefix_dyn_string);
1429 c_command = lookup_cmd_1 (& command_prefix, cmdlist, NULL, 1);
1430 /* We've already tried to look up COMMAND. */
1431 gdb_assert (c_command != NULL
1432 && c_command != (struct cmd_list_element *) -1);
1433 gdb_assert (c_command->prefixlist != NULL);
1434 c_alias = lookup_cmd_1 (& alias_prefix, cmdlist, NULL, 1);
1435 if (c_alias != c_command)
1436 error (_("ALIAS and COMMAND prefixes do not match."));
1438 /* add_cmd requires *we* allocate space for name, hence the xstrdup. */
1439 add_alias_cmd (xstrdup (alias_argv[alias_argc - 1]),
1440 command_argv[command_argc - 1],
1441 class_alias, abbrev_flag, c_command->prefixlist);
1445 /* Print a list of files and line numbers which a user may choose from
1446 in order to list a function which was specified ambiguously (as
1447 with `list classname::overloadedfuncname', for example). The
1448 vector in SALS provides the filenames and line numbers. */
1451 ambiguous_line_spec (struct symtabs_and_lines *sals)
1455 for (i = 0; i < sals->nelts; ++i)
1456 printf_filtered (_("file: \"%s\", line number: %d\n"),
1457 symtab_to_filename_for_display (sals->sals[i].symtab),
1458 sals->sals[i].line);
1461 /* Sort function for filter_sals. */
1464 compare_symtabs (const void *a, const void *b)
1466 const struct symtab_and_line *sala = a;
1467 const struct symtab_and_line *salb = b;
1470 if (!sala->symtab->dirname)
1472 if (salb->symtab->dirname)
1475 else if (!salb->symtab->dirname)
1477 if (sala->symtab->dirname)
1482 r = filename_cmp (sala->symtab->dirname, salb->symtab->dirname);
1487 r = filename_cmp (sala->symtab->filename, salb->symtab->filename);
1491 if (sala->line < salb->line)
1493 return sala->line == salb->line ? 0 : 1;
1496 /* Remove any SALs that do not match the current program space, or
1497 which appear to be "file:line" duplicates. */
1500 filter_sals (struct symtabs_and_lines *sals)
1505 for (i = 0; i < sals->nelts; ++i)
1507 if (sals->sals[i].pspace == current_program_space
1508 && sals->sals[i].symtab != NULL)
1510 sals->sals[out] = sals->sals[i];
1516 qsort (sals->sals, sals->nelts, sizeof (struct symtab_and_line),
1521 for (i = 1; i < sals->nelts; ++i)
1523 if (compare_symtabs (&sals->sals[prev], &sals->sals[i]))
1525 /* Symtabs differ. */
1526 sals->sals[out] = sals->sals[i];
1532 if (sals->nelts == 0)
1542 set_debug (char *arg, int from_tty)
1544 printf_unfiltered (_("\"set debug\" must be followed by "
1545 "the name of a debug subcommand.\n"));
1546 help_list (setdebuglist, "set debug ", -1, gdb_stdout);
1550 show_debug (char *args, int from_tty)
1552 cmd_show_list (showdebuglist, from_tty, "");
1556 init_cmd_lists (void)
1558 max_user_call_depth = 1024;
1572 showhistlist = NULL;
1573 unsethistlist = NULL;
1574 maintenancelist = NULL;
1575 maintenanceinfolist = NULL;
1576 maintenanceprintlist = NULL;
1577 setprintlist = NULL;
1578 showprintlist = NULL;
1579 setchecklist = NULL;
1580 showchecklist = NULL;
1584 show_info_verbose (struct ui_file *file, int from_tty,
1585 struct cmd_list_element *c,
1589 fprintf_filtered (file,
1590 _("Verbose printing of informational messages is %s.\n"),
1593 fprintf_filtered (file, _("Verbosity is %s.\n"), value);
1597 show_history_expansion_p (struct ui_file *file, int from_tty,
1598 struct cmd_list_element *c, const char *value)
1600 fprintf_filtered (file, _("History expansion on command input is %s.\n"),
1605 show_baud_rate (struct ui_file *file, int from_tty,
1606 struct cmd_list_element *c, const char *value)
1608 fprintf_filtered (file, _("Baud rate for remote serial I/O is %s.\n"),
1613 show_remote_debug (struct ui_file *file, int from_tty,
1614 struct cmd_list_element *c, const char *value)
1616 fprintf_filtered (file, _("Debugging of remote protocol is %s.\n"),
1621 show_remote_timeout (struct ui_file *file, int from_tty,
1622 struct cmd_list_element *c, const char *value)
1624 fprintf_filtered (file,
1625 _("Timeout limit to wait for target to respond is %s.\n"),
1630 show_max_user_call_depth (struct ui_file *file, int from_tty,
1631 struct cmd_list_element *c, const char *value)
1633 fprintf_filtered (file,
1634 _("The max call depth for user-defined commands is %s.\n"),
1640 initialize_file_ftype _initialize_cli_cmds;
1643 _initialize_cli_cmds (void)
1645 struct cmd_list_element *c;
1647 /* Define the classes of commands.
1648 They will appear in the help list in alphabetical order. */
1650 add_cmd ("internals", class_maintenance, NULL, _("\
1651 Maintenance commands.\n\
1652 Some gdb commands are provided just for use by gdb maintainers.\n\
1653 These commands are subject to frequent change, and may not be as\n\
1654 well documented as user commands."),
1656 add_cmd ("obscure", class_obscure, NULL, _("Obscure features."), &cmdlist);
1657 add_cmd ("aliases", class_alias, NULL,
1658 _("Aliases of other commands."), &cmdlist);
1659 add_cmd ("user-defined", class_user, NULL, _("\
1660 User-defined commands.\n\
1661 The commands in this class are those defined by the user.\n\
1662 Use the \"define\" command to define a command."), &cmdlist);
1663 add_cmd ("support", class_support, NULL, _("Support facilities."), &cmdlist);
1665 add_cmd ("status", class_info, NULL, _("Status inquiries."), &cmdlist);
1666 add_cmd ("files", class_files, NULL, _("Specifying and examining files."),
1668 add_cmd ("breakpoints", class_breakpoint, NULL,
1669 _("Making program stop at certain points."), &cmdlist);
1670 add_cmd ("data", class_vars, NULL, _("Examining data."), &cmdlist);
1671 add_cmd ("stack", class_stack, NULL, _("\
1672 Examining the stack.\n\
1673 The stack is made up of stack frames. Gdb assigns numbers to stack frames\n\
1674 counting from zero for the innermost (currently executing) frame.\n\n\
1675 At any time gdb identifies one frame as the \"selected\" frame.\n\
1676 Variable lookups are done with respect to the selected frame.\n\
1677 When the program being debugged stops, gdb selects the innermost frame.\n\
1678 The commands below can be used to select other frames by number or address."),
1680 add_cmd ("running", class_run, NULL, _("Running the program."), &cmdlist);
1682 /* Define general commands. */
1684 add_com ("pwd", class_files, pwd_command, _("\
1685 Print working directory. This is used for your program as well."));
1687 c = add_cmd ("cd", class_files, cd_command, _("\
1688 Set working directory to DIR for debugger and program being debugged.\n\
1689 The change does not take effect for the program being debugged\n\
1690 until the next time it is started."), &cmdlist);
1691 set_cmd_completer (c, filename_completer);
1693 add_com ("echo", class_support, echo_command, _("\
1694 Print a constant string. Give string as argument.\n\
1695 C escape sequences may be used in the argument.\n\
1696 No newline is added at the end of the argument;\n\
1697 use \"\\n\" if you want a newline to be printed.\n\
1698 Since leading and trailing whitespace are ignored in command arguments,\n\
1699 if you want to print some you must use \"\\\" before leading whitespace\n\
1700 to be printed or after trailing whitespace."));
1702 add_setshow_enum_cmd ("script-extension", class_support,
1703 script_ext_enums, &script_ext_mode, _("\
1704 Set mode for script filename extension recognition."), _("\
1705 Show mode for script filename extension recognition."), _("\
1706 off == no filename extension recognition (all sourced files are GDB scripts)\n\
1707 soft == evaluate script according to filename extension, fallback to GDB script"
1709 strict == evaluate script according to filename extension, error if not supported"
1712 show_script_ext_mode,
1713 &setlist, &showlist);
1715 add_com ("quit", class_support, quit_command, _("Exit gdb."));
1716 c = add_com ("help", class_support, help_command,
1717 _("Print list of commands."));
1718 set_cmd_completer (c, command_completer);
1719 add_com_alias ("q", "quit", class_support, 1);
1720 add_com_alias ("h", "help", class_support, 1);
1722 add_setshow_boolean_cmd ("verbose", class_support, &info_verbose, _("\
1723 Set verbosity."), _("\
1724 Show verbosity."), NULL,
1727 &setlist, &showlist);
1729 add_prefix_cmd ("history", class_support, set_history,
1730 _("Generic command for setting command history parameters."),
1731 &sethistlist, "set history ", 0, &setlist);
1732 add_prefix_cmd ("history", class_support, show_history,
1733 _("Generic command for showing command history parameters."),
1734 &showhistlist, "show history ", 0, &showlist);
1736 add_setshow_boolean_cmd ("expansion", no_class, &history_expansion_p, _("\
1737 Set history expansion on command input."), _("\
1738 Show history expansion on command input."), _("\
1739 Without an argument, history expansion is enabled."),
1741 show_history_expansion_p,
1742 &sethistlist, &showhistlist);
1744 add_prefix_cmd ("info", class_info, info_command, _("\
1745 Generic command for showing things about the program being debugged."),
1746 &infolist, "info ", 0, &cmdlist);
1747 add_com_alias ("i", "info", class_info, 1);
1748 add_com_alias ("inf", "info", class_info, 1);
1750 add_com ("complete", class_obscure, complete_command,
1751 _("List the completions for the rest of the line as a command."));
1753 add_prefix_cmd ("show", class_info, show_command, _("\
1754 Generic command for showing things about the debugger."),
1755 &showlist, "show ", 0, &cmdlist);
1756 /* Another way to get at the same thing. */
1757 add_info ("set", show_command, _("Show all GDB settings."));
1759 add_cmd ("commands", no_set_class, show_commands, _("\
1760 Show the history of commands you typed.\n\
1761 You can supply a command number to start with, or a `+' to start after\n\
1762 the previous command number shown."),
1765 add_cmd ("version", no_set_class, show_version,
1766 _("Show what version of GDB this is."), &showlist);
1768 add_cmd ("configuration", no_set_class, show_configuration,
1769 _("Show how GDB was configured at build time."), &showlist);
1771 /* If target is open when baud changes, it doesn't take effect until
1772 the next open (I think, not sure). */
1773 add_setshow_zinteger_cmd ("remotebaud", no_class, &baud_rate, _("\
1774 Set baud rate for remote serial I/O."), _("\
1775 Show baud rate for remote serial I/O."), _("\
1776 This value is used to set the speed of the serial port when debugging\n\
1777 using remote targets."),
1780 &setlist, &showlist);
1782 add_setshow_zinteger_cmd ("remote", no_class, &remote_debug, _("\
1783 Set debugging of remote protocol."), _("\
1784 Show debugging of remote protocol."), _("\
1785 When enabled, each packet sent or received with the remote target\n\
1789 &setdebuglist, &showdebuglist);
1791 add_setshow_zuinteger_unlimited_cmd ("remotetimeout", no_class,
1792 &remote_timeout, _("\
1793 Set timeout limit to wait for target to respond."), _("\
1794 Show timeout limit to wait for target to respond."), _("\
1795 This value is used to set the time limit for gdb to wait for a response\n\
1798 show_remote_timeout,
1799 &setlist, &showlist);
1801 add_prefix_cmd ("debug", no_class, set_debug,
1802 _("Generic command for setting gdb debugging flags"),
1803 &setdebuglist, "set debug ", 0, &setlist);
1805 add_prefix_cmd ("debug", no_class, show_debug,
1806 _("Generic command for showing gdb debugging flags"),
1807 &showdebuglist, "show debug ", 0, &showlist);
1809 c = add_com ("shell", class_support, shell_escape, _("\
1810 Execute the rest of the line as a shell command.\n\
1811 With no arguments, run an inferior shell."));
1812 set_cmd_completer (c, filename_completer);
1814 c = add_com ("edit", class_files, edit_command, _("\
1815 Edit specified file or function.\n\
1816 With no argument, edits file containing most recent line listed.\n\
1817 Editing targets can be specified in these ways:\n\
1818 FILE:LINENUM, to edit at that line in that file,\n\
1819 FUNCTION, to edit at the beginning of that function,\n\
1820 FILE:FUNCTION, to distinguish among like-named static functions.\n\
1821 *ADDRESS, to edit at the line containing that address.\n\
1822 Uses EDITOR environment variable contents as editor (or ex as default)."));
1824 c->completer = location_completer;
1826 add_com ("list", class_files, list_command, _("\
1827 List specified function or line.\n\
1828 With no argument, lists ten more lines after or around previous listing.\n\
1829 \"list -\" lists the ten lines before a previous ten-line listing.\n\
1830 One argument specifies a line, and ten lines are listed around that line.\n\
1831 Two arguments with comma between specify starting and ending lines to list.\n\
1832 Lines can be specified in these ways:\n\
1833 LINENUM, to list around that line in current file,\n\
1834 FILE:LINENUM, to list around that line in that file,\n\
1835 FUNCTION, to list around beginning of that function,\n\
1836 FILE:FUNCTION, to distinguish among like-named static functions.\n\
1837 *ADDRESS, to list around the line containing that address.\n\
1838 With two args if one is empty it stands for ten lines away from \
1842 add_com_alias ("l", "list", class_files, 1);
1844 add_com_alias ("v", "list", class_files, 1);
1847 add_com_alias ("file", "list", class_files, 1);
1849 c = add_com ("disassemble", class_vars, disassemble_command, _("\
1850 Disassemble a specified section of memory.\n\
1851 Default is the function surrounding the pc of the selected frame.\n\
1852 With a /m modifier, source lines are included (if available).\n\
1853 With a /r modifier, raw instructions in hex are included.\n\
1854 With a single argument, the function surrounding that address is dumped.\n\
1855 Two arguments (separated by a comma) are taken as a range of memory to dump,\n\
1856 in the form of \"start,end\", or \"start,+length\".\n\
1858 Note that the address is interpreted as an expression, not as a location\n\
1859 like in the \"break\" command.\n\
1860 So, for example, if you want to disassemble function bar in file foo.c\n\
1861 you must type \"disassemble 'foo.c'::bar\" and not \"disassemble foo.c:bar\"."));
1862 set_cmd_completer (c, location_completer);
1864 add_com_alias ("va", "disassemble", class_xdb, 0);
1866 add_com_alias ("!", "shell", class_support, 0);
1868 c = add_com ("make", class_support, make_command, _("\
1869 Run the ``make'' program using the rest of the line as arguments."));
1870 set_cmd_completer (c, filename_completer);
1871 add_cmd ("user", no_class, show_user, _("\
1872 Show definitions of non-python user defined commands.\n\
1873 Argument is the name of the user defined command.\n\
1874 With no argument, show definitions of all user defined commands."), &showlist);
1875 add_com ("apropos", class_support, apropos_command,
1876 _("Search for commands matching a REGEXP"));
1878 add_setshow_uinteger_cmd ("max-user-call-depth", no_class,
1879 &max_user_call_depth, _("\
1880 Set the max call depth for non-python user-defined commands."), _("\
1881 Show the max call depth for non-python user-defined commands."), NULL,
1883 show_max_user_call_depth,
1884 &setlist, &showlist);
1886 add_setshow_boolean_cmd ("trace-commands", no_class, &trace_commands, _("\
1887 Set tracing of GDB CLI commands."), _("\
1888 Show state of GDB CLI command tracing."), _("\
1889 When 'on', each command is displayed as it is executed."),
1892 &setlist, &showlist);
1894 c = add_com ("alias", class_support, alias_command, _("\
1895 Define a new command that is an alias of an existing command.\n\
1896 Usage: alias [-a] [--] ALIAS = COMMAND\n\
1897 ALIAS is the name of the alias command to create.\n\
1898 COMMAND is the command being aliased to.\n\
1899 If \"-a\" is specified, the command is an abbreviation,\n\
1900 and will not appear in help command list output.\n\
1903 Make \"spe\" an alias of \"set print elements\":\n\
1904 alias spe = set print elements\n\
1905 Make \"elms\" an alias of \"elements\" in the \"set print\" command:\n\
1906 alias -a set print elms = set print elements"));
1910 init_cli_cmds (void)
1912 struct cmd_list_element *c;
1913 char *source_help_text;
1915 source_help_text = xstrprintf (_("\
1916 Read commands from a file named FILE.\n\
1918 Usage: source [-s] [-v] FILE\n\
1919 -s: search for the script in the source search path,\n\
1920 even if FILE contains directories.\n\
1921 -v: each command in FILE is echoed as it is executed.\n\
1923 Note that the file \"%s\" is read automatically in this way\n\
1924 when GDB is started."), gdbinit);
1925 c = add_cmd ("source", class_support, source_command,
1926 source_help_text, &cmdlist);
1927 set_cmd_completer (c, filename_completer);