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"
46 #include "cli/cli-decode.h"
47 #include "cli/cli-script.h"
48 #include "cli/cli-setshow.h"
49 #include "cli/cli-cmds.h"
50 #include "cli/cli-utils.h"
52 #include "python/python.h"
55 #include "tui/tui.h" /* For tui_active et.al. */
60 /* Prototypes for local command functions */
62 static void complete_command (char *, int);
64 static void echo_command (char *, int);
66 static void pwd_command (char *, int);
68 static void show_version (char *, int);
70 static void help_command (char *, int);
72 static void show_command (char *, int);
74 static void info_command (char *, int);
76 static void show_debug (char *, int);
78 static void set_debug (char *, int);
80 static void show_user (char *, int);
82 static void make_command (char *, int);
84 static void shell_escape (char *, int);
86 static void edit_command (char *, int);
88 static void list_command (char *, int);
90 /* Prototypes for local utility functions */
92 static void ambiguous_line_spec (struct symtabs_and_lines *);
94 static void filter_sals (struct symtabs_and_lines *);
97 /* Limit the call depth of user-defined commands */
98 unsigned int max_user_call_depth;
100 /* Define all cmd_list_elements. */
102 /* Chain containing all defined commands. */
104 struct cmd_list_element *cmdlist;
106 /* Chain containing all defined info subcommands. */
108 struct cmd_list_element *infolist;
110 /* Chain containing all defined enable subcommands. */
112 struct cmd_list_element *enablelist;
114 /* Chain containing all defined disable subcommands. */
116 struct cmd_list_element *disablelist;
118 /* Chain containing all defined toggle subcommands. */
120 struct cmd_list_element *togglelist;
122 /* Chain containing all defined stop subcommands. */
124 struct cmd_list_element *stoplist;
126 /* Chain containing all defined delete subcommands. */
128 struct cmd_list_element *deletelist;
130 /* Chain containing all defined detach subcommands. */
132 struct cmd_list_element *detachlist;
134 /* Chain containing all defined kill subcommands. */
136 struct cmd_list_element *killlist;
138 /* Chain containing all defined set subcommands */
140 struct cmd_list_element *setlist;
142 /* Chain containing all defined unset subcommands */
144 struct cmd_list_element *unsetlist;
146 /* Chain containing all defined show subcommands. */
148 struct cmd_list_element *showlist;
150 /* Chain containing all defined \"set history\". */
152 struct cmd_list_element *sethistlist;
154 /* Chain containing all defined \"show history\". */
156 struct cmd_list_element *showhistlist;
158 /* Chain containing all defined \"unset history\". */
160 struct cmd_list_element *unsethistlist;
162 /* Chain containing all defined maintenance subcommands. */
164 struct cmd_list_element *maintenancelist;
166 /* Chain containing all defined "maintenance info" subcommands. */
168 struct cmd_list_element *maintenanceinfolist;
170 /* Chain containing all defined "maintenance print" subcommands. */
172 struct cmd_list_element *maintenanceprintlist;
174 struct cmd_list_element *setprintlist;
176 struct cmd_list_element *showprintlist;
178 struct cmd_list_element *setdebuglist;
180 struct cmd_list_element *showdebuglist;
182 struct cmd_list_element *setchecklist;
184 struct cmd_list_element *showchecklist;
186 /* Command tracing state. */
188 int source_verbose = 0;
189 int trace_commands = 0;
191 /* 'script-extension' option support. */
193 static const char script_ext_off[] = "off";
194 static const char script_ext_soft[] = "soft";
195 static const char script_ext_strict[] = "strict";
197 static const char *const script_ext_enums[] = {
204 static const char *script_ext_mode = script_ext_soft;
206 /* Utility used everywhere when at least one argument is needed and
210 error_no_arg (char *why)
212 error (_("Argument required (%s)."), why);
215 /* The "info" command is defined as a prefix, with allow_unknown = 0.
216 Therefore, its own definition is called only for "info" with no
220 info_command (char *arg, int from_tty)
222 printf_unfiltered (_("\"info\" must be followed by "
223 "the name of an info command.\n"));
224 help_list (infolist, "info ", -1, gdb_stdout);
227 /* The "show" command with no arguments shows all the settings. */
230 show_command (char *arg, int from_tty)
232 cmd_show_list (showlist, from_tty, "");
235 /* Provide documentation on command or list given by COMMAND. FROM_TTY
239 help_command (char *command, int from_tty)
241 help_cmd (command, gdb_stdout);
244 /* The "complete" command is used by Emacs to implement completion. */
247 complete_command (char *arg, int from_tty)
250 char *point, *arg_prefix;
251 VEC (char_ptr) *completions;
257 argpoint = strlen (arg);
259 /* complete_line assumes that its first argument is somewhere
260 within, and except for filenames at the beginning of, the word to
261 be completed. The following crude imitation of readline's
262 word-breaking tries to accomodate this. */
263 point = arg + argpoint;
266 if (strchr (rl_completer_word_break_characters, point[-1]) != 0)
271 arg_prefix = alloca (point - arg + 1);
272 memcpy (arg_prefix, arg, point - arg);
273 arg_prefix[point - arg] = 0;
275 completions = complete_line (point, arg, argpoint);
279 int ix, size = VEC_length (char_ptr, completions);
280 char *item, *prev = NULL;
282 qsort (VEC_address (char_ptr, completions), size,
283 sizeof (char *), compare_strings);
285 /* We do extra processing here since we only want to print each
287 for (ix = 0; VEC_iterate (char_ptr, completions, ix, item); ++ix)
289 if (prev == NULL || strcmp (item, prev) != 0)
291 printf_unfiltered ("%s%s\n", arg_prefix, item);
300 VEC_free (char_ptr, completions);
305 is_complete_command (struct cmd_list_element *c)
307 return cmd_cfunc_eq (c, complete_command);
311 show_version (char *args, int from_tty)
313 print_gdb_version (gdb_stdout);
314 printf_filtered ("\n");
317 /* Handle the quit command. */
320 quit_command (char *args, int from_tty)
322 if (!quit_confirm ())
323 error (_("Not confirmed."));
325 disconnect_tracing (from_tty);
327 quit_force (args, from_tty);
331 pwd_command (char *args, int from_tty)
334 error (_("The \"pwd\" command does not take an argument: %s"), args);
335 if (! getcwd (gdb_dirbuf, sizeof (gdb_dirbuf)))
336 error (_("Error finding name of working directory: %s"),
337 safe_strerror (errno));
339 if (strcmp (gdb_dirbuf, current_directory) != 0)
340 printf_unfiltered (_("Working directory %s\n (canonically %s).\n"),
341 current_directory, gdb_dirbuf);
343 printf_unfiltered (_("Working directory %s.\n"), current_directory);
347 cd_command (char *dir, int from_tty)
350 /* Found something other than leading repetitions of "/..". */
354 /* If the new directory is absolute, repeat is a no-op; if relative,
355 repeat might be useful but is more likely to be a mistake. */
361 dir = tilde_expand (dir);
362 make_cleanup (xfree, dir);
365 perror_with_name (dir);
367 #ifdef HAVE_DOS_BASED_FILE_SYSTEM
368 /* There's too much mess with DOSish names like "d:", "d:.",
369 "d:./foo" etc. Instead of having lots of special #ifdef'ed code,
370 simply get the canonicalized name of the current directory. */
371 dir = getcwd (gdb_dirbuf, sizeof (gdb_dirbuf));
375 if (IS_DIR_SEPARATOR (dir[len - 1]))
377 /* Remove the trailing slash unless this is a root directory
378 (including a drive letter on non-Unix systems). */
379 if (!(len == 1) /* "/" */
380 #ifdef HAVE_DOS_BASED_FILE_SYSTEM
381 && !(len == 3 && dir[1] == ':') /* "d:/" */
387 dir = savestring (dir, len);
388 if (IS_ABSOLUTE_PATH (dir))
389 current_directory = dir;
392 if (IS_DIR_SEPARATOR (current_directory[strlen (current_directory) - 1]))
393 current_directory = concat (current_directory, dir, (char *)NULL);
395 current_directory = concat (current_directory, SLASH_STRING,
400 /* Now simplify any occurrences of `.' and `..' in the pathname. */
403 for (p = current_directory; *p;)
405 if (IS_DIR_SEPARATOR (p[0]) && p[1] == '.'
406 && (p[2] == 0 || IS_DIR_SEPARATOR (p[2])))
407 memmove (p, p + 2, strlen (p + 2) + 1);
408 else if (IS_DIR_SEPARATOR (p[0]) && p[1] == '.' && p[2] == '.'
409 && (p[3] == 0 || IS_DIR_SEPARATOR (p[3])))
413 /* Search backwards for the directory just before the "/.."
414 and obliterate it and the "/..". */
417 while (q != current_directory && !IS_DIR_SEPARATOR (q[-1]))
420 if (q == current_directory)
421 /* current_directory is
422 a relative pathname ("can't happen"--leave it alone). */
426 memmove (q - 1, p + 3, strlen (p + 3) + 1);
431 /* We are dealing with leading repetitions of "/..", for
432 example "/../..", which is the Mach super-root. */
442 forget_cached_source_info ();
445 pwd_command ((char *) 0, 1);
448 /* Show the current value of the 'script-extension' option. */
451 show_script_ext_mode (struct ui_file *file, int from_tty,
452 struct cmd_list_element *c, const char *value)
454 fprintf_filtered (file,
455 _("Script filename extension recognition is \"%s\".\n"),
459 /* Try to open SCRIPT_FILE.
460 If successful, the full path name is stored in *FULL_PATHP,
461 the stream is stored in *STREAMP, and return 1.
462 The caller is responsible for freeing *FULL_PATHP.
463 If not successful, return 0; errno is set for the last file
466 If SEARCH_PATH is non-zero, and the file isn't found in cwd,
467 search for it in the source search path. */
470 find_and_open_script (const char *script_file, int search_path,
471 FILE **streamp, char **full_pathp)
475 struct cleanup *old_cleanups;
476 int search_flags = OPF_TRY_CWD_FIRST;
478 file = tilde_expand (script_file);
479 old_cleanups = make_cleanup (xfree, file);
482 search_flags |= OPF_SEARCH_IN_PATH;
484 /* Search for and open 'file' on the search path used for source
485 files. Put the full location in *FULL_PATHP. */
486 fd = openp (source_path, search_flags,
487 file, O_RDONLY, full_pathp);
491 int save_errno = errno;
492 do_cleanups (old_cleanups);
497 do_cleanups (old_cleanups);
499 *streamp = fdopen (fd, FOPEN_RT);
500 if (*streamp == NULL)
502 int save_errno = errno;
514 /* Load script FILE, which has already been opened as STREAM. */
517 source_script_from_stream (FILE *stream, const char *file)
519 if (script_ext_mode != script_ext_off
520 && strlen (file) > 3 && !strcmp (&file[strlen (file) - 3], ".py"))
522 volatile struct gdb_exception e;
524 TRY_CATCH (e, RETURN_MASK_ERROR)
526 source_python_script (stream, file);
530 /* Should we fallback to ye olde GDB script mode? */
531 if (script_ext_mode == script_ext_soft
532 && e.reason == RETURN_ERROR && e.error == UNSUPPORTED_ERROR)
534 fseek (stream, 0, SEEK_SET);
535 script_from_file (stream, (char*) file);
539 /* Nope, just punt. */
545 script_from_file (stream, file);
548 /* Worker to perform the "source" command.
550 If SEARCH_PATH is non-zero, and the file isn't found in cwd,
551 search for it in the source search path. */
554 source_script_with_search (const char *file, int from_tty, int search_path)
558 struct cleanup *old_cleanups;
560 if (file == NULL || *file == 0)
561 error (_("source command requires file name of file to source."));
563 if (!find_and_open_script (file, search_path, &stream, &full_path))
565 /* The script wasn't found, or was otherwise inaccessible.
566 If the source command was invoked interactively, throw an
567 error. Otherwise (e.g. if it was invoked by a script),
568 silently ignore the error. */
570 perror_with_name (file);
575 old_cleanups = make_cleanup (xfree, full_path);
576 make_cleanup_fclose (stream);
577 /* The python support reopens the file, so we need to pass full_path here
578 in case the file was found on the search path. It's useful to do this
579 anyway so that error messages show the actual file used. But only do
580 this if we (may have) used search_path, as printing the full path in
581 errors for the non-search case can be more noise than signal. */
582 source_script_from_stream (stream, search_path ? full_path : file);
583 do_cleanups (old_cleanups);
586 /* Wrapper around source_script_with_search to export it to main.c
587 for use in loading .gdbinit scripts. */
590 source_script (char *file, int from_tty)
592 source_script_with_search (file, from_tty, 0);
595 /* Return the source_verbose global variable to its previous state
596 on exit from the source command, by whatever means. */
598 source_verbose_cleanup (void *old_value)
600 source_verbose = *(int *)old_value;
605 source_command (char *args, int from_tty)
607 struct cleanup *old_cleanups;
609 int *old_source_verbose = xmalloc (sizeof(int));
612 *old_source_verbose = source_verbose;
613 old_cleanups = make_cleanup (source_verbose_cleanup,
616 /* -v causes the source command to run in verbose mode.
617 -s causes the file to be searched in the source search path,
618 even if the file name contains a '/'.
619 We still have to be able to handle filenames with spaces in a
620 backward compatible way, so buildargv is not appropriate. */
624 while (args[0] != '\0')
626 /* Make sure leading white space does not break the
628 args = skip_spaces (args);
633 if (args[1] == 'v' && isspace (args[2]))
637 /* Skip passed -v. */
640 else if (args[1] == 's' && isspace (args[2]))
644 /* Skip passed -s. */
651 file = skip_spaces (args);
654 source_script_with_search (file, from_tty, search_path);
656 do_cleanups (old_cleanups);
661 echo_command (char *text, int from_tty)
667 while ((c = *p++) != '\0')
671 /* \ at end of argument is used after spaces
672 so they won't be lost. */
676 c = parse_escape (get_current_arch (), &p);
678 printf_filtered ("%c", c);
681 printf_filtered ("%c", c);
684 /* Force this output to appear now. */
686 gdb_flush (gdb_stdout);
690 shell_escape (char *arg, int from_tty)
692 #if defined(CANT_FORK) || \
693 (!defined(HAVE_WORKING_VFORK) && !defined(HAVE_WORKING_FORK))
694 /* If ARG is NULL, they want an inferior shell, but `system' just
695 reports if the shell is available when passed a NULL arg. */
696 int rc = system (arg ? arg : "");
699 arg = "inferior shell";
703 fprintf_unfiltered (gdb_stderr, "Cannot execute %s: %s\n", arg,
704 safe_strerror (errno));
705 gdb_flush (gdb_stderr);
709 fprintf_unfiltered (gdb_stderr, "%s exited with status %d\n", arg, rc);
710 gdb_flush (gdb_stderr);
713 /* Make sure to return to the directory GDB thinks it is, in case
714 the shell command we just ran changed it. */
715 chdir (current_directory);
717 #else /* Can fork. */
720 if ((pid = vfork ()) == 0)
722 const char *p, *user_shell;
724 if ((user_shell = (char *) getenv ("SHELL")) == NULL)
725 user_shell = "/bin/sh";
727 /* Get the name of the shell for arg0. */
728 p = lbasename (user_shell);
731 execl (user_shell, p, (char *) 0);
733 execl (user_shell, p, "-c", arg, (char *) 0);
735 fprintf_unfiltered (gdb_stderr, "Cannot execute %s: %s\n", user_shell,
736 safe_strerror (errno));
737 gdb_flush (gdb_stderr);
742 waitpid (pid, &status, 0);
744 error (_("Fork failed"));
745 #endif /* Can fork. */
749 edit_command (char *arg, int from_tty)
751 struct symtabs_and_lines sals;
752 struct symtab_and_line sal;
759 /* Pull in the current default source line if necessary. */
762 set_default_source_symtab_and_line ();
763 sal = get_current_source_symtab_and_line ();
766 /* Bare "edit" edits file with present line. */
771 error (_("No default source file yet."));
772 sal.line += get_lines_to_list () / 2;
776 /* Now should only be one argument -- decode it in SAL. */
779 sals = decode_line_1 (&arg1, DECODE_LINE_LIST_MODE, 0, 0);
789 ambiguous_line_spec (&sals);
798 error (_("Junk at end of line specification."));
800 /* If line was specified by address, first print exactly which
801 line, and which file. In this case, sal.symtab == 0 means
802 address is outside of all known source files, not that user
803 failed to give a filename. */
806 struct gdbarch *gdbarch;
809 /* FIXME-32x64--assumes sal.pc fits in long. */
810 error (_("No source file for address %s."),
811 hex_string ((unsigned long) sal.pc));
813 gdbarch = get_objfile_arch (sal.symtab->objfile);
814 sym = find_pc_function (sal.pc);
816 printf_filtered ("%s is in %s (%s:%d).\n",
817 paddress (gdbarch, sal.pc),
818 SYMBOL_PRINT_NAME (sym),
819 symtab_to_filename_for_display (sal.symtab),
822 printf_filtered ("%s is at %s:%d.\n",
823 paddress (gdbarch, sal.pc),
824 symtab_to_filename_for_display (sal.symtab),
828 /* If what was given does not imply a symtab, it must be an
829 undebuggable symbol which means no source code. */
832 error (_("No line number known for %s."), arg);
835 if ((editor = (char *) getenv ("EDITOR")) == NULL)
838 fn = symtab_to_fullname (sal.symtab);
840 /* Quote the file name, in case it has whitespace or other special
842 p = xstrprintf ("%s +%d \"%s\"", editor, sal.line, fn);
843 shell_escape (p, from_tty);
848 list_command (char *arg, int from_tty)
850 struct symtabs_and_lines sals, sals_end;
851 struct symtab_and_line sal = { 0 };
852 struct symtab_and_line sal_end = { 0 };
853 struct symtab_and_line cursal = { 0 };
862 /* Pull in the current default source line if necessary. */
863 if (arg == 0 || arg[0] == '+' || arg[0] == '-')
865 set_default_source_symtab_and_line ();
866 cursal = get_current_source_symtab_and_line ();
869 /* "l" or "l +" lists next ten lines. */
871 if (arg == 0 || strcmp (arg, "+") == 0)
873 print_source_lines (cursal.symtab, cursal.line,
874 cursal.line + get_lines_to_list (), 0);
878 /* "l -" lists previous ten lines, the ones before the ten just
880 if (strcmp (arg, "-") == 0)
882 print_source_lines (cursal.symtab,
883 max (get_first_line_listed ()
884 - get_lines_to_list (), 1),
885 get_first_line_listed (), 0);
889 /* Now if there is only one argument, decode it in SAL
891 If there are two arguments, decode them in SAL and SAL_END
892 and clear NO_END; however, if one of the arguments is blank,
893 set DUMMY_BEG or DUMMY_END to record that fact. */
895 if (!have_full_symbols () && !have_partial_symbols ())
896 error (_("No symbol table is loaded. Use the \"file\" command."));
903 sals = decode_line_1 (&arg1, DECODE_LINE_LIST_MODE, 0, 0);
910 ambiguous_line_spec (&sals);
919 /* Record whether the BEG arg is all digits. */
921 for (p = arg; p != arg1 && *p >= '0' && *p <= '9'; p++);
922 linenum_beg = (p == arg1);
924 while (*arg1 == ' ' || *arg1 == '\t')
930 while (*arg1 == ' ' || *arg1 == '\t')
937 sals_end = decode_line_1 (&arg1, DECODE_LINE_LIST_MODE, 0, 0);
939 sals_end = decode_line_1 (&arg1, DECODE_LINE_LIST_MODE,
940 sal.symtab, sal.line);
941 filter_sals (&sals_end);
942 if (sals_end.nelts == 0)
944 if (sals_end.nelts > 1)
946 ambiguous_line_spec (&sals_end);
947 xfree (sals_end.sals);
950 sal_end = sals_end.sals[0];
951 xfree (sals_end.sals);
956 error (_("Junk at end of line specification."));
958 if (!no_end && !dummy_beg && !dummy_end
959 && sal.symtab != sal_end.symtab)
960 error (_("Specified start and end are in different files."));
961 if (dummy_beg && dummy_end)
962 error (_("Two empty args do not say what lines to list."));
964 /* If line was specified by address,
965 first print exactly which line, and which file.
967 In this case, sal.symtab == 0 means address is outside of all
968 known source files, not that user failed to give a filename. */
971 struct gdbarch *gdbarch;
974 /* FIXME-32x64--assumes sal.pc fits in long. */
975 error (_("No source file for address %s."),
976 hex_string ((unsigned long) sal.pc));
978 gdbarch = get_objfile_arch (sal.symtab->objfile);
979 sym = find_pc_function (sal.pc);
981 printf_filtered ("%s is in %s (%s:%d).\n",
982 paddress (gdbarch, sal.pc),
983 SYMBOL_PRINT_NAME (sym),
984 symtab_to_filename_for_display (sal.symtab), sal.line);
986 printf_filtered ("%s is at %s:%d.\n",
987 paddress (gdbarch, sal.pc),
988 symtab_to_filename_for_display (sal.symtab), sal.line);
991 /* If line was not specified by just a line number, and it does not
992 imply a symtab, it must be an undebuggable symbol which means no
995 if (!linenum_beg && sal.symtab == 0)
996 error (_("No line number known for %s."), arg);
998 /* If this command is repeated with RET,
999 turn it into the no-arg variant. */
1004 if (dummy_beg && sal_end.symtab == 0)
1005 error (_("No default source file yet. Do \"help list\"."));
1007 print_source_lines (sal_end.symtab,
1008 max (sal_end.line - (get_lines_to_list () - 1), 1),
1009 sal_end.line + 1, 0);
1010 else if (sal.symtab == 0)
1011 error (_("No default source file yet. Do \"help list\"."));
1014 int first_line = sal.line - get_lines_to_list () / 2;
1016 if (first_line < 1) first_line = 1;
1018 print_source_lines (sal.symtab,
1020 first_line + get_lines_to_list (),
1024 print_source_lines (sal.symtab, sal.line,
1026 ? sal.line + get_lines_to_list ()
1027 : sal_end.line + 1),
1031 /* Subroutine of disassemble_command to simplify it.
1032 Perform the disassembly.
1033 NAME is the name of the function if known, or NULL.
1034 [LOW,HIGH) are the range of addresses to disassemble.
1035 MIXED is non-zero to print source with the assembler. */
1038 print_disassembly (struct gdbarch *gdbarch, const char *name,
1039 CORE_ADDR low, CORE_ADDR high, int flags)
1042 if (!tui_is_window_visible (DISASSEM_WIN))
1045 printf_filtered ("Dump of assembler code ");
1047 printf_filtered ("for function %s:\n", name);
1049 printf_filtered ("from %s to %s:\n",
1050 paddress (gdbarch, low), paddress (gdbarch, high));
1052 /* Dump the specified range. */
1053 gdb_disassembly (gdbarch, current_uiout, 0, flags, -1, low, high);
1055 printf_filtered ("End of assembler dump.\n");
1056 gdb_flush (gdb_stdout);
1061 tui_show_assembly (gdbarch, low);
1066 /* Subroutine of disassemble_command to simplify it.
1067 Print a disassembly of the current function according to FLAGS. */
1070 disassemble_current_function (int flags)
1072 struct frame_info *frame;
1073 struct gdbarch *gdbarch;
1074 CORE_ADDR low, high, pc;
1077 frame = get_selected_frame (_("No frame selected."));
1078 gdbarch = get_frame_arch (frame);
1079 pc = get_frame_address_in_block (frame);
1080 if (find_pc_partial_function (pc, &name, &low, &high) == 0)
1081 error (_("No function contains program counter for selected frame."));
1083 /* NOTE: cagney/2003-02-13 The `tui_active' was previously
1086 /* FIXME: cagney/2004-02-07: This should be an observer. */
1087 low = tui_get_low_disassembly_address (gdbarch, low, pc);
1089 low += gdbarch_deprecated_function_start_offset (gdbarch);
1091 print_disassembly (gdbarch, name, low, high, flags);
1094 /* Dump a specified section of assembly code.
1098 - dump the assembly code for the function of the current pc
1099 disassemble [/mr] addr
1100 - dump the assembly code for the function at ADDR
1101 disassemble [/mr] low,high
1102 disassemble [/mr] low,+length
1103 - dump the assembly code in the range [LOW,HIGH), or [LOW,LOW+length)
1105 A /m modifier will include source code with the assembly.
1106 A /r modifier will include raw instructions in hex with the assembly. */
1109 disassemble_command (char *arg, int from_tty)
1111 struct gdbarch *gdbarch = get_current_arch ();
1112 CORE_ADDR low, high;
1120 if (arg && *arg == '/')
1125 error (_("Missing modifier."));
1127 while (*arg && ! isspace (*arg))
1132 flags |= DISASSEMBLY_SOURCE;
1135 flags |= DISASSEMBLY_RAW_INSN;
1138 error (_("Invalid disassembly modifier."));
1142 arg = skip_spaces (arg);
1145 if (! arg || ! *arg)
1147 flags |= DISASSEMBLY_OMIT_FNAME;
1148 disassemble_current_function (flags);
1152 pc = value_as_address (parse_to_comma_and_eval (&arg));
1158 if (find_pc_partial_function (pc, &name, &low, &high) == 0)
1159 error (_("No function contains specified address."));
1161 /* NOTE: cagney/2003-02-13 The `tui_active' was previously
1164 /* FIXME: cagney/2004-02-07: This should be an observer. */
1165 low = tui_get_low_disassembly_address (gdbarch, low, pc);
1167 low += gdbarch_deprecated_function_start_offset (gdbarch);
1168 flags |= DISASSEMBLY_OMIT_FNAME;
1172 /* Two arguments. */
1175 arg = skip_spaces (arg);
1181 high = parse_and_eval_address (arg);
1186 print_disassembly (gdbarch, name, low, high, flags);
1190 make_command (char *arg, int from_tty)
1198 p = xmalloc (sizeof ("make ") + strlen (arg));
1199 strcpy (p, "make ");
1200 strcpy (p + sizeof ("make ") - 1, arg);
1203 shell_escape (p, from_tty);
1207 show_user (char *args, int from_tty)
1209 struct cmd_list_element *c;
1210 extern struct cmd_list_element *cmdlist;
1214 char *comname = args;
1216 c = lookup_cmd (&comname, cmdlist, "", 0, 1);
1217 /* c->user_commands would be NULL if it's a python command. */
1218 if (c->class != class_user || !c->user_commands)
1219 error (_("Not a user command."));
1220 show_user_1 (c, "", args, gdb_stdout);
1224 for (c = cmdlist; c; c = c->next)
1226 if (c->class == class_user || c->prefixlist != NULL)
1227 show_user_1 (c, "", c->name, gdb_stdout);
1232 /* Search through names of commands and documentations for a certain
1233 regular expression. */
1236 apropos_command (char *searchstr, int from_tty)
1241 if (searchstr == NULL)
1242 error (_("REGEXP string is empty"));
1244 code = regcomp (&pattern, searchstr, REG_ICASE);
1247 struct cleanup *cleanups;
1249 cleanups = make_regfree_cleanup (&pattern);
1250 apropos_cmd (gdb_stdout, cmdlist, &pattern, "");
1251 do_cleanups (cleanups);
1255 char *err = get_regcomp_error (code, &pattern);
1257 make_cleanup (xfree, err);
1258 error (_("Error in regular expression: %s"), err);
1262 /* Subroutine of alias_command to simplify it.
1263 Return the first N elements of ARGV flattened back to a string
1264 with a space separating each element.
1265 ARGV may not be NULL.
1266 This does not take care of quoting elements in case they contain spaces
1270 argv_to_dyn_string (char **argv, int n)
1273 dyn_string_t result = dyn_string_new (10);
1275 gdb_assert (argv != NULL);
1276 gdb_assert (n >= 0 && n <= countargv (argv));
1278 for (i = 0; i < n; ++i)
1281 dyn_string_append_char (result, ' ');
1282 dyn_string_append_cstr (result, argv[i]);
1288 /* Subroutine of alias_command to simplify it.
1289 Return TRUE if COMMAND exists, unambiguously. Otherwise FALSE. */
1292 valid_command_p (char *command)
1294 struct cmd_list_element *c;
1296 c = lookup_cmd_1 (& command, cmdlist, NULL, 1);
1298 if (c == NULL || c == (struct cmd_list_element *) -1)
1301 /* This is the slightly tricky part.
1302 lookup_cmd_1 will return a pointer to the last part of COMMAND
1303 to match, leaving COMMAND pointing at the remainder. */
1304 while (*command == ' ' || *command == '\t')
1306 return *command == '\0';
1309 /* Make an alias of an existing command. */
1312 alias_command (char *args, int from_tty)
1314 int i, alias_argc, command_argc;
1315 int abbrev_flag = 0;
1316 char *args2, *equals, *alias, *command;
1317 char **alias_argv, **command_argv;
1318 dyn_string_t alias_dyn_string, command_dyn_string;
1319 static const char usage[] = N_("Usage: alias [-a] [--] ALIAS = COMMAND");
1321 if (args == NULL || strchr (args, '=') == NULL)
1324 args2 = xstrdup (args);
1325 make_cleanup (xfree, args2);
1326 equals = strchr (args2, '=');
1328 alias_argv = gdb_buildargv (args2);
1329 make_cleanup_freeargv (alias_argv);
1330 command_argv = gdb_buildargv (equals + 1);
1331 make_cleanup_freeargv (command_argv);
1333 for (i = 0; alias_argv[i] != NULL; )
1335 if (strcmp (alias_argv[i], "-a") == 0)
1340 else if (strcmp (alias_argv[i], "--") == 0)
1349 if (alias_argv[0] == NULL || command_argv[0] == NULL
1350 || *alias_argv[0] == '\0' || *command_argv[0] == '\0')
1353 for (i = 0; alias_argv[i] != NULL; ++i)
1355 if (! valid_user_defined_cmd_name_p (alias_argv[i]))
1358 error (_("Invalid command name: %s"), alias_argv[i]);
1360 error (_("Invalid command element name: %s"), alias_argv[i]);
1364 alias_argc = countargv (alias_argv);
1365 command_argc = countargv (command_argv);
1367 /* COMMAND must exist.
1368 Reconstruct the command to remove any extraneous spaces,
1369 for better error messages. */
1370 command_dyn_string = argv_to_dyn_string (command_argv, command_argc);
1371 make_cleanup_dyn_string_delete (command_dyn_string);
1372 command = dyn_string_buf (command_dyn_string);
1373 if (! valid_command_p (command))
1374 error (_("Invalid command to alias to: %s"), command);
1376 /* ALIAS must not exist. */
1377 alias_dyn_string = argv_to_dyn_string (alias_argv, alias_argc);
1378 make_cleanup_dyn_string_delete (alias_dyn_string);
1379 alias = dyn_string_buf (alias_dyn_string);
1380 if (valid_command_p (alias))
1381 error (_("Alias already exists: %s"), alias);
1383 /* If ALIAS is one word, it is an alias for the entire COMMAND.
1384 Example: alias spe = set print elements
1386 Otherwise ALIAS and COMMAND must have the same number of words,
1387 and every word except the last must match; and the last word of
1388 ALIAS is made an alias of the last word of COMMAND.
1389 Example: alias set print elms = set pr elem
1390 Note that unambiguous abbreviations are allowed. */
1392 if (alias_argc == 1)
1394 /* add_cmd requires *we* allocate space for name, hence the xstrdup. */
1395 add_com_alias (xstrdup (alias_argv[0]), command, class_alias,
1400 dyn_string_t alias_prefix_dyn_string, command_prefix_dyn_string;
1401 char *alias_prefix, *command_prefix;
1402 struct cmd_list_element *c_alias, *c_command;
1404 if (alias_argc != command_argc)
1405 error (_("Mismatched command length between ALIAS and COMMAND."));
1407 /* Create copies of ALIAS and COMMAND without the last word,
1408 and use that to verify the leading elements match. */
1409 alias_prefix_dyn_string =
1410 argv_to_dyn_string (alias_argv, alias_argc - 1);
1411 make_cleanup_dyn_string_delete (alias_prefix_dyn_string);
1412 command_prefix_dyn_string =
1413 argv_to_dyn_string (alias_argv, command_argc - 1);
1414 make_cleanup_dyn_string_delete (command_prefix_dyn_string);
1415 alias_prefix = dyn_string_buf (alias_prefix_dyn_string);
1416 command_prefix = dyn_string_buf (command_prefix_dyn_string);
1418 c_command = lookup_cmd_1 (& command_prefix, cmdlist, NULL, 1);
1419 /* We've already tried to look up COMMAND. */
1420 gdb_assert (c_command != NULL
1421 && c_command != (struct cmd_list_element *) -1);
1422 gdb_assert (c_command->prefixlist != NULL);
1423 c_alias = lookup_cmd_1 (& alias_prefix, cmdlist, NULL, 1);
1424 if (c_alias != c_command)
1425 error (_("ALIAS and COMMAND prefixes do not match."));
1427 /* add_cmd requires *we* allocate space for name, hence the xstrdup. */
1428 add_alias_cmd (xstrdup (alias_argv[alias_argc - 1]),
1429 command_argv[command_argc - 1],
1430 class_alias, abbrev_flag, c_command->prefixlist);
1434 /* Print a list of files and line numbers which a user may choose from
1435 in order to list a function which was specified ambiguously (as
1436 with `list classname::overloadedfuncname', for example). The
1437 vector in SALS provides the filenames and line numbers. */
1440 ambiguous_line_spec (struct symtabs_and_lines *sals)
1444 for (i = 0; i < sals->nelts; ++i)
1445 printf_filtered (_("file: \"%s\", line number: %d\n"),
1446 symtab_to_filename_for_display (sals->sals[i].symtab),
1447 sals->sals[i].line);
1450 /* Sort function for filter_sals. */
1453 compare_symtabs (const void *a, const void *b)
1455 const struct symtab_and_line *sala = a;
1456 const struct symtab_and_line *salb = b;
1459 if (!sala->symtab->dirname)
1461 if (salb->symtab->dirname)
1464 else if (!salb->symtab->dirname)
1466 if (sala->symtab->dirname)
1471 r = filename_cmp (sala->symtab->dirname, salb->symtab->dirname);
1476 r = filename_cmp (sala->symtab->filename, salb->symtab->filename);
1480 if (sala->line < salb->line)
1482 return sala->line == salb->line ? 0 : 1;
1485 /* Remove any SALs that do not match the current program space, or
1486 which appear to be "file:line" duplicates. */
1489 filter_sals (struct symtabs_and_lines *sals)
1494 for (i = 0; i < sals->nelts; ++i)
1496 if (sals->sals[i].pspace == current_program_space
1497 && sals->sals[i].symtab != NULL)
1499 sals->sals[out] = sals->sals[i];
1505 qsort (sals->sals, sals->nelts, sizeof (struct symtab_and_line),
1510 for (i = 1; i < sals->nelts; ++i)
1512 if (compare_symtabs (&sals->sals[prev], &sals->sals[i]))
1514 /* Symtabs differ. */
1515 sals->sals[out] = sals->sals[i];
1521 if (sals->nelts == 0)
1531 set_debug (char *arg, int from_tty)
1533 printf_unfiltered (_("\"set debug\" must be followed by "
1534 "the name of a debug subcommand.\n"));
1535 help_list (setdebuglist, "set debug ", -1, gdb_stdout);
1539 show_debug (char *args, int from_tty)
1541 cmd_show_list (showdebuglist, from_tty, "");
1545 init_cmd_lists (void)
1547 max_user_call_depth = 1024;
1561 showhistlist = NULL;
1562 unsethistlist = NULL;
1563 maintenancelist = NULL;
1564 maintenanceinfolist = NULL;
1565 maintenanceprintlist = NULL;
1566 setprintlist = NULL;
1567 showprintlist = NULL;
1568 setchecklist = NULL;
1569 showchecklist = NULL;
1573 show_info_verbose (struct ui_file *file, int from_tty,
1574 struct cmd_list_element *c,
1578 fprintf_filtered (file,
1579 _("Verbose printing of informational messages is %s.\n"),
1582 fprintf_filtered (file, _("Verbosity is %s.\n"), value);
1586 show_history_expansion_p (struct ui_file *file, int from_tty,
1587 struct cmd_list_element *c, const char *value)
1589 fprintf_filtered (file, _("History expansion on command input is %s.\n"),
1594 show_baud_rate (struct ui_file *file, int from_tty,
1595 struct cmd_list_element *c, const char *value)
1597 fprintf_filtered (file, _("Baud rate for remote serial I/O is %s.\n"),
1602 show_remote_debug (struct ui_file *file, int from_tty,
1603 struct cmd_list_element *c, const char *value)
1605 fprintf_filtered (file, _("Debugging of remote protocol is %s.\n"),
1610 show_remote_timeout (struct ui_file *file, int from_tty,
1611 struct cmd_list_element *c, const char *value)
1613 fprintf_filtered (file,
1614 _("Timeout limit to wait for target to respond is %s.\n"),
1619 show_max_user_call_depth (struct ui_file *file, int from_tty,
1620 struct cmd_list_element *c, const char *value)
1622 fprintf_filtered (file,
1623 _("The max call depth for user-defined commands is %s.\n"),
1629 initialize_file_ftype _initialize_cli_cmds;
1632 _initialize_cli_cmds (void)
1634 struct cmd_list_element *c;
1636 /* Define the classes of commands.
1637 They will appear in the help list in alphabetical order. */
1639 add_cmd ("internals", class_maintenance, NULL, _("\
1640 Maintenance commands.\n\
1641 Some gdb commands are provided just for use by gdb maintainers.\n\
1642 These commands are subject to frequent change, and may not be as\n\
1643 well documented as user commands."),
1645 add_cmd ("obscure", class_obscure, NULL, _("Obscure features."), &cmdlist);
1646 add_cmd ("aliases", class_alias, NULL,
1647 _("Aliases of other commands."), &cmdlist);
1648 add_cmd ("user-defined", class_user, NULL, _("\
1649 User-defined commands.\n\
1650 The commands in this class are those defined by the user.\n\
1651 Use the \"define\" command to define a command."), &cmdlist);
1652 add_cmd ("support", class_support, NULL, _("Support facilities."), &cmdlist);
1654 add_cmd ("status", class_info, NULL, _("Status inquiries."), &cmdlist);
1655 add_cmd ("files", class_files, NULL, _("Specifying and examining files."),
1657 add_cmd ("breakpoints", class_breakpoint, NULL,
1658 _("Making program stop at certain points."), &cmdlist);
1659 add_cmd ("data", class_vars, NULL, _("Examining data."), &cmdlist);
1660 add_cmd ("stack", class_stack, NULL, _("\
1661 Examining the stack.\n\
1662 The stack is made up of stack frames. Gdb assigns numbers to stack frames\n\
1663 counting from zero for the innermost (currently executing) frame.\n\n\
1664 At any time gdb identifies one frame as the \"selected\" frame.\n\
1665 Variable lookups are done with respect to the selected frame.\n\
1666 When the program being debugged stops, gdb selects the innermost frame.\n\
1667 The commands below can be used to select other frames by number or address."),
1669 add_cmd ("running", class_run, NULL, _("Running the program."), &cmdlist);
1671 /* Define general commands. */
1673 add_com ("pwd", class_files, pwd_command, _("\
1674 Print working directory. This is used for your program as well."));
1676 c = add_cmd ("cd", class_files, cd_command, _("\
1677 Set working directory to DIR for debugger and program being debugged.\n\
1678 The change does not take effect for the program being debugged\n\
1679 until the next time it is started."), &cmdlist);
1680 set_cmd_completer (c, filename_completer);
1682 add_com ("echo", class_support, echo_command, _("\
1683 Print a constant string. Give string as argument.\n\
1684 C escape sequences may be used in the argument.\n\
1685 No newline is added at the end of the argument;\n\
1686 use \"\\n\" if you want a newline to be printed.\n\
1687 Since leading and trailing whitespace are ignored in command arguments,\n\
1688 if you want to print some you must use \"\\\" before leading whitespace\n\
1689 to be printed or after trailing whitespace."));
1691 add_setshow_enum_cmd ("script-extension", class_support,
1692 script_ext_enums, &script_ext_mode, _("\
1693 Set mode for script filename extension recognition."), _("\
1694 Show mode for script filename extension recognition."), _("\
1695 off == no filename extension recognition (all sourced files are GDB scripts)\n\
1696 soft == evaluate script according to filename extension, fallback to GDB script"
1698 strict == evaluate script according to filename extension, error if not supported"
1701 show_script_ext_mode,
1702 &setlist, &showlist);
1704 add_com ("quit", class_support, quit_command, _("Exit gdb."));
1705 c = add_com ("help", class_support, help_command,
1706 _("Print list of commands."));
1707 set_cmd_completer (c, command_completer);
1708 add_com_alias ("q", "quit", class_support, 1);
1709 add_com_alias ("h", "help", class_support, 1);
1711 add_setshow_boolean_cmd ("verbose", class_support, &info_verbose, _("\
1712 Set verbosity."), _("\
1713 Show verbosity."), NULL,
1716 &setlist, &showlist);
1718 add_prefix_cmd ("history", class_support, set_history,
1719 _("Generic command for setting command history parameters."),
1720 &sethistlist, "set history ", 0, &setlist);
1721 add_prefix_cmd ("history", class_support, show_history,
1722 _("Generic command for showing command history parameters."),
1723 &showhistlist, "show history ", 0, &showlist);
1725 add_setshow_boolean_cmd ("expansion", no_class, &history_expansion_p, _("\
1726 Set history expansion on command input."), _("\
1727 Show history expansion on command input."), _("\
1728 Without an argument, history expansion is enabled."),
1730 show_history_expansion_p,
1731 &sethistlist, &showhistlist);
1733 add_prefix_cmd ("info", class_info, info_command, _("\
1734 Generic command for showing things about the program being debugged."),
1735 &infolist, "info ", 0, &cmdlist);
1736 add_com_alias ("i", "info", class_info, 1);
1737 add_com_alias ("inf", "info", class_info, 1);
1739 add_com ("complete", class_obscure, complete_command,
1740 _("List the completions for the rest of the line as a command."));
1742 add_prefix_cmd ("show", class_info, show_command, _("\
1743 Generic command for showing things about the debugger."),
1744 &showlist, "show ", 0, &cmdlist);
1745 /* Another way to get at the same thing. */
1746 add_info ("set", show_command, _("Show all GDB settings."));
1748 add_cmd ("commands", no_set_class, show_commands, _("\
1749 Show the history of commands you typed.\n\
1750 You can supply a command number to start with, or a `+' to start after\n\
1751 the previous command number shown."),
1754 add_cmd ("version", no_set_class, show_version,
1755 _("Show what version of GDB this is."), &showlist);
1757 /* If target is open when baud changes, it doesn't take effect until
1758 the next open (I think, not sure). */
1759 add_setshow_zinteger_cmd ("remotebaud", no_class, &baud_rate, _("\
1760 Set baud rate for remote serial I/O."), _("\
1761 Show baud rate for remote serial I/O."), _("\
1762 This value is used to set the speed of the serial port when debugging\n\
1763 using remote targets."),
1766 &setlist, &showlist);
1768 add_setshow_zinteger_cmd ("remote", no_class, &remote_debug, _("\
1769 Set debugging of remote protocol."), _("\
1770 Show debugging of remote protocol."), _("\
1771 When enabled, each packet sent or received with the remote target\n\
1775 &setdebuglist, &showdebuglist);
1777 add_setshow_zuinteger_unlimited_cmd ("remotetimeout", no_class,
1778 &remote_timeout, _("\
1779 Set timeout limit to wait for target to respond."), _("\
1780 Show timeout limit to wait for target to respond."), _("\
1781 This value is used to set the time limit for gdb to wait for a response\n\
1784 show_remote_timeout,
1785 &setlist, &showlist);
1787 add_prefix_cmd ("debug", no_class, set_debug,
1788 _("Generic command for setting gdb debugging flags"),
1789 &setdebuglist, "set debug ", 0, &setlist);
1791 add_prefix_cmd ("debug", no_class, show_debug,
1792 _("Generic command for showing gdb debugging flags"),
1793 &showdebuglist, "show debug ", 0, &showlist);
1795 c = add_com ("shell", class_support, shell_escape, _("\
1796 Execute the rest of the line as a shell command.\n\
1797 With no arguments, run an inferior shell."));
1798 set_cmd_completer (c, filename_completer);
1800 c = add_com ("edit", class_files, edit_command, _("\
1801 Edit specified file or function.\n\
1802 With no argument, edits file containing most recent line listed.\n\
1803 Editing targets can be specified in these ways:\n\
1804 FILE:LINENUM, to edit at that line in that file,\n\
1805 FUNCTION, to edit at the beginning of that function,\n\
1806 FILE:FUNCTION, to distinguish among like-named static functions.\n\
1807 *ADDRESS, to edit at the line containing that address.\n\
1808 Uses EDITOR environment variable contents as editor (or ex as default)."));
1810 c->completer = location_completer;
1812 add_com ("list", class_files, list_command, _("\
1813 List specified function or line.\n\
1814 With no argument, lists ten more lines after or around previous listing.\n\
1815 \"list -\" lists the ten lines before a previous ten-line listing.\n\
1816 One argument specifies a line, and ten lines are listed around that line.\n\
1817 Two arguments with comma between specify starting and ending lines to list.\n\
1818 Lines can be specified in these ways:\n\
1819 LINENUM, to list around that line in current file,\n\
1820 FILE:LINENUM, to list around that line in that file,\n\
1821 FUNCTION, to list around beginning of that function,\n\
1822 FILE:FUNCTION, to distinguish among like-named static functions.\n\
1823 *ADDRESS, to list around the line containing that address.\n\
1824 With two args if one is empty it stands for ten lines away from \
1828 add_com_alias ("l", "list", class_files, 1);
1830 add_com_alias ("v", "list", class_files, 1);
1833 add_com_alias ("file", "list", class_files, 1);
1835 c = add_com ("disassemble", class_vars, disassemble_command, _("\
1836 Disassemble a specified section of memory.\n\
1837 Default is the function surrounding the pc of the selected frame.\n\
1838 With a /m modifier, source lines are included (if available).\n\
1839 With a /r modifier, raw instructions in hex are included.\n\
1840 With a single argument, the function surrounding that address is dumped.\n\
1841 Two arguments (separated by a comma) are taken as a range of memory to dump,\n\
1842 in the form of \"start,end\", or \"start,+length\".\n\
1844 Note that the address is interpreted as an expression, not as a location\n\
1845 like in the \"break\" command.\n\
1846 So, for example, if you want to disassemble function bar in file foo.c\n\
1847 you must type \"disassemble 'foo.c'::bar\" and not \"disassemble foo.c:bar\"."));
1848 set_cmd_completer (c, location_completer);
1850 add_com_alias ("va", "disassemble", class_xdb, 0);
1852 add_com_alias ("!", "shell", class_support, 0);
1854 c = add_com ("make", class_support, make_command, _("\
1855 Run the ``make'' program using the rest of the line as arguments."));
1856 set_cmd_completer (c, filename_completer);
1857 add_cmd ("user", no_class, show_user, _("\
1858 Show definitions of non-python user defined commands.\n\
1859 Argument is the name of the user defined command.\n\
1860 With no argument, show definitions of all user defined commands."), &showlist);
1861 add_com ("apropos", class_support, apropos_command,
1862 _("Search for commands matching a REGEXP"));
1864 add_setshow_uinteger_cmd ("max-user-call-depth", no_class,
1865 &max_user_call_depth, _("\
1866 Set the max call depth for non-python user-defined commands."), _("\
1867 Show the max call depth for non-python user-defined commands."), NULL,
1869 show_max_user_call_depth,
1870 &setlist, &showlist);
1872 add_setshow_boolean_cmd ("trace-commands", no_class, &trace_commands, _("\
1873 Set tracing of GDB CLI commands."), _("\
1874 Show state of GDB CLI command tracing."), _("\
1875 When 'on', each command is displayed as it is executed."),
1878 &setlist, &showlist);
1880 c = add_com ("alias", class_support, alias_command, _("\
1881 Define a new command that is an alias of an existing command.\n\
1882 Usage: alias [-a] [--] ALIAS = COMMAND\n\
1883 ALIAS is the name of the alias command to create.\n\
1884 COMMAND is the command being aliased to.\n\
1885 If \"-a\" is specified, the command is an abbreviation,\n\
1886 and will not appear in help command list output.\n\
1889 Make \"spe\" an alias of \"set print elements\":\n\
1890 alias spe = set print elements\n\
1891 Make \"elms\" an alias of \"elements\" in the \"set print\" command:\n\
1892 alias -a set print elms = set print elements"));
1896 init_cli_cmds (void)
1898 struct cmd_list_element *c;
1899 char *source_help_text;
1901 source_help_text = xstrprintf (_("\
1902 Read commands from a file named FILE.\n\
1904 Usage: source [-s] [-v] FILE\n\
1905 -s: search for the script in the source search path,\n\
1906 even if FILE contains directories.\n\
1907 -v: each command in FILE is echoed as it is executed.\n\
1909 Note that the file \"%s\" is read automatically in this way\n\
1910 when GDB is started."), gdbinit);
1911 c = add_cmd ("source", class_support, source_command,
1912 source_help_text, &cmdlist);
1913 set_cmd_completer (c, filename_completer);