3 Copyright (C) 2000, 2001, 2002, 2003, 2004, 2005, 2007, 2008, 2009, 2010,
4 2011 Free Software Foundation, Inc.
6 This file is part of GDB.
8 This program is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 3 of the License, or
11 (at your option) any later version.
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with this program. If not, see <http://www.gnu.org/licenses/>. */
22 #include "exceptions.h"
23 #include "arch-utils.h"
24 #include "dyn-string.h"
25 #include "readline/readline.h"
26 #include "readline/tilde.h"
27 #include "completer.h"
28 #include "target.h" /* For baud_rate, remote_debug and remote_timeout. */
29 #include "gdb_wait.h" /* For shell escape implementation. */
30 #include "gdb_regex.h" /* Used by apropos_command. */
31 #include "gdb_string.h"
32 #include "gdb_vfork.h"
34 #include "expression.h"
38 #include "filenames.h" /* For DOSish file names. */
42 #include "tracepoint.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"
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 void apropos_command (char *, int);
92 /* Prototypes for local utility functions */
94 static void ambiguous_line_spec (struct symtabs_and_lines
*);
96 /* Limit the call depth of user-defined commands */
97 int max_user_call_depth
;
99 /* Define all cmd_list_elements. */
101 /* Chain containing all defined commands. */
103 struct cmd_list_element
*cmdlist
;
105 /* Chain containing all defined info subcommands. */
107 struct cmd_list_element
*infolist
;
109 /* Chain containing all defined enable subcommands. */
111 struct cmd_list_element
*enablelist
;
113 /* Chain containing all defined disable subcommands. */
115 struct cmd_list_element
*disablelist
;
117 /* Chain containing all defined toggle subcommands. */
119 struct cmd_list_element
*togglelist
;
121 /* Chain containing all defined stop subcommands. */
123 struct cmd_list_element
*stoplist
;
125 /* Chain containing all defined delete subcommands. */
127 struct cmd_list_element
*deletelist
;
129 /* Chain containing all defined detach subcommands. */
131 struct cmd_list_element
*detachlist
;
133 /* Chain containing all defined kill subcommands. */
135 struct cmd_list_element
*killlist
;
137 /* Chain containing all defined "enable breakpoint" subcommands. */
139 struct cmd_list_element
*enablebreaklist
;
141 /* Chain containing all defined set subcommands */
143 struct cmd_list_element
*setlist
;
145 /* Chain containing all defined unset subcommands */
147 struct cmd_list_element
*unsetlist
;
149 /* Chain containing all defined show subcommands. */
151 struct cmd_list_element
*showlist
;
153 /* Chain containing all defined \"set history\". */
155 struct cmd_list_element
*sethistlist
;
157 /* Chain containing all defined \"show history\". */
159 struct cmd_list_element
*showhistlist
;
161 /* Chain containing all defined \"unset history\". */
163 struct cmd_list_element
*unsethistlist
;
165 /* Chain containing all defined maintenance subcommands. */
167 struct cmd_list_element
*maintenancelist
;
169 /* Chain containing all defined "maintenance info" subcommands. */
171 struct cmd_list_element
*maintenanceinfolist
;
173 /* Chain containing all defined "maintenance print" subcommands. */
175 struct cmd_list_element
*maintenanceprintlist
;
177 struct cmd_list_element
*setprintlist
;
179 struct cmd_list_element
*showprintlist
;
181 struct cmd_list_element
*setdebuglist
;
183 struct cmd_list_element
*showdebuglist
;
185 struct cmd_list_element
*setchecklist
;
187 struct cmd_list_element
*showchecklist
;
189 /* Command tracing state. */
191 int source_verbose
= 0;
192 int trace_commands
= 0;
194 /* 'script-extension' option support. */
196 static const char script_ext_off
[] = "off";
197 static const char script_ext_soft
[] = "soft";
198 static const char script_ext_strict
[] = "strict";
200 static const char *script_ext_enums
[] = {
207 static const char *script_ext_mode
= script_ext_soft
;
209 /* Utility used everywhere when at least one argument is needed and
213 error_no_arg (char *why
)
215 error (_("Argument required (%s)."), why
);
218 /* The "info" command is defined as a prefix, with allow_unknown = 0.
219 Therefore, its own definition is called only for "info" with no
223 info_command (char *arg
, int from_tty
)
225 printf_unfiltered (_("\"info\" must be followed by "
226 "the name of an info command.\n"));
227 help_list (infolist
, "info ", -1, gdb_stdout
);
230 /* The "show" command with no arguments shows all the settings. */
233 show_command (char *arg
, int from_tty
)
235 cmd_show_list (showlist
, from_tty
, "");
238 /* Provide documentation on command or list given by COMMAND. FROM_TTY
242 help_command (char *command
, int from_tty
)
244 help_cmd (command
, gdb_stdout
);
247 /* String compare function for qsort. */
249 compare_strings (const void *arg1
, const void *arg2
)
251 const char **s1
= (const char **) arg1
;
252 const char **s2
= (const char **) arg2
;
254 return strcmp (*s1
, *s2
);
257 /* The "complete" command is used by Emacs to implement completion. */
260 complete_command (char *arg
, int from_tty
)
263 char **completions
, *point
, *arg_prefix
;
269 argpoint
= strlen (arg
);
271 /* complete_line assumes that its first argument is somewhere
272 within, and except for filenames at the beginning of, the word to
273 be completed. The following crude imitation of readline's
274 word-breaking tries to accomodate this. */
275 point
= arg
+ argpoint
;
278 if (strchr (rl_completer_word_break_characters
, point
[-1]) != 0)
283 arg_prefix
= alloca (point
- arg
+ 1);
284 memcpy (arg_prefix
, arg
, point
- arg
);
285 arg_prefix
[point
- arg
] = 0;
287 completions
= complete_line (point
, arg
, argpoint
);
293 for (size
= 0; completions
[size
]; ++size
)
295 qsort (completions
, size
, sizeof (char *), compare_strings
);
297 /* We do extra processing here since we only want to print each
304 printf_unfiltered ("%s%s\n", arg_prefix
, completions
[item
]);
305 next_item
= item
+ 1;
306 while (next_item
< size
307 && ! strcmp (completions
[item
], completions
[next_item
]))
309 xfree (completions
[next_item
]);
313 xfree (completions
[item
]);
322 is_complete_command (struct cmd_list_element
*c
)
324 return cmd_cfunc_eq (c
, complete_command
);
328 show_version (char *args
, int from_tty
)
331 print_gdb_version (gdb_stdout
);
332 printf_filtered ("\n");
336 /* Handle the quit command. */
339 quit_command (char *args
, int from_tty
)
341 if (!quit_confirm ())
342 error (_("Not confirmed."));
344 disconnect_tracing (from_tty
);
346 quit_force (args
, from_tty
);
350 pwd_command (char *args
, int from_tty
)
353 error (_("The \"pwd\" command does not take an argument: %s"), args
);
354 if (! getcwd (gdb_dirbuf
, sizeof (gdb_dirbuf
)))
355 error (_("Error finding name of working directory: %s"),
356 safe_strerror (errno
));
358 if (strcmp (gdb_dirbuf
, current_directory
) != 0)
359 printf_unfiltered (_("Working directory %s\n (canonically %s).\n"),
360 current_directory
, gdb_dirbuf
);
362 printf_unfiltered (_("Working directory %s.\n"), current_directory
);
366 cd_command (char *dir
, int from_tty
)
369 /* Found something other than leading repetitions of "/..". */
373 /* If the new directory is absolute, repeat is a no-op; if relative,
374 repeat might be useful but is more likely to be a mistake. */
378 error_no_arg (_("new working directory"));
380 dir
= tilde_expand (dir
);
381 make_cleanup (xfree
, dir
);
384 perror_with_name (dir
);
386 #ifdef HAVE_DOS_BASED_FILE_SYSTEM
387 /* There's too much mess with DOSish names like "d:", "d:.",
388 "d:./foo" etc. Instead of having lots of special #ifdef'ed code,
389 simply get the canonicalized name of the current directory. */
390 dir
= getcwd (gdb_dirbuf
, sizeof (gdb_dirbuf
));
394 if (IS_DIR_SEPARATOR (dir
[len
- 1]))
396 /* Remove the trailing slash unless this is a root directory
397 (including a drive letter on non-Unix systems). */
398 if (!(len
== 1) /* "/" */
399 #ifdef HAVE_DOS_BASED_FILE_SYSTEM
400 && !(len
== 3 && dir
[1] == ':') /* "d:/" */
406 dir
= savestring (dir
, len
);
407 if (IS_ABSOLUTE_PATH (dir
))
408 current_directory
= dir
;
411 if (IS_DIR_SEPARATOR (current_directory
[strlen (current_directory
) - 1]))
412 current_directory
= concat (current_directory
, dir
, (char *)NULL
);
414 current_directory
= concat (current_directory
, SLASH_STRING
,
419 /* Now simplify any occurrences of `.' and `..' in the pathname. */
422 for (p
= current_directory
; *p
;)
424 if (IS_DIR_SEPARATOR (p
[0]) && p
[1] == '.'
425 && (p
[2] == 0 || IS_DIR_SEPARATOR (p
[2])))
427 else if (IS_DIR_SEPARATOR (p
[0]) && p
[1] == '.' && p
[2] == '.'
428 && (p
[3] == 0 || IS_DIR_SEPARATOR (p
[3])))
432 /* Search backwards for the directory just before the "/.."
433 and obliterate it and the "/..". */
436 while (q
!= current_directory
&& !IS_DIR_SEPARATOR (q
[-1]))
439 if (q
== current_directory
)
440 /* current_directory is
441 a relative pathname ("can't happen"--leave it alone). */
445 strcpy (q
- 1, p
+ 3);
450 /* We are dealing with leading repetitions of "/..", for
451 example "/../..", which is the Mach super-root. */
461 forget_cached_source_info ();
464 pwd_command ((char *) 0, 1);
467 /* Show the current value of the 'script-extension' option. */
470 show_script_ext_mode (struct ui_file
*file
, int from_tty
,
471 struct cmd_list_element
*c
, const char *value
)
473 fprintf_filtered (file
,
474 _("Script filename extension recognition is \"%s\".\n"),
478 /* Try to open SCRIPT_FILE.
479 If successful, the full path name is stored in *FULL_PATHP,
480 the stream is stored in *STREAMP, and return 1.
481 The caller is responsible for freeing *FULL_PATHP.
482 If not successful, return 0; errno is set for the last file
485 If SEARCH_PATH is non-zero, and the file isn't found in cwd,
486 search for it in the source search path.
488 NOTE: This calls openp which uses xfullpath to compute the full path
489 instead of gdb_realpath. Symbolic links are not resolved. */
492 find_and_open_script (const char *script_file
, int search_path
,
493 FILE **streamp
, char **full_pathp
)
497 struct cleanup
*old_cleanups
;
498 int search_flags
= OPF_TRY_CWD_FIRST
;
500 file
= tilde_expand (script_file
);
501 old_cleanups
= make_cleanup (xfree
, file
);
504 search_flags
|= OPF_SEARCH_IN_PATH
;
506 /* Search for and open 'file' on the search path used for source
507 files. Put the full location in *FULL_PATHP. */
508 fd
= openp (source_path
, search_flags
,
509 file
, O_RDONLY
, full_pathp
);
513 int save_errno
= errno
;
514 do_cleanups (old_cleanups
);
519 do_cleanups (old_cleanups
);
521 *streamp
= fdopen (fd
, FOPEN_RT
);
525 /* Load script FILE, which has already been opened as STREAM.
526 STREAM is closed before we return. */
529 source_script_from_stream (FILE *stream
, const char *file
)
531 if (script_ext_mode
!= script_ext_off
532 && strlen (file
) > 3 && !strcmp (&file
[strlen (file
) - 3], ".py"))
534 volatile struct gdb_exception e
;
536 TRY_CATCH (e
, RETURN_MASK_ERROR
)
538 source_python_script (stream
, file
);
542 /* Should we fallback to ye olde GDB script mode? */
543 if (script_ext_mode
== script_ext_soft
544 && e
.reason
== RETURN_ERROR
&& e
.error
== UNSUPPORTED_ERROR
)
546 fseek (stream
, 0, SEEK_SET
);
547 script_from_file (stream
, (char*) file
);
551 /* Nope, just punt. */
560 script_from_file (stream
, file
);
563 /* Worker to perform the "source" command.
565 If SEARCH_PATH is non-zero, and the file isn't found in cwd,
566 search for it in the source search path. */
569 source_script_with_search (const char *file
, int from_tty
, int search_path
)
573 struct cleanup
*old_cleanups
;
575 if (file
== NULL
|| *file
== 0)
576 error (_("source command requires file name of file to source."));
578 if (!find_and_open_script (file
, search_path
, &stream
, &full_path
))
580 /* The script wasn't found, or was otherwise inaccessible.
581 If the source command was invoked interactively, throw an
582 error. Otherwise (e.g. if it was invoked by a script),
583 silently ignore the error. */
585 perror_with_name (file
);
590 old_cleanups
= make_cleanup (xfree
, full_path
);
591 source_script_from_stream (stream
, file
);
592 do_cleanups (old_cleanups
);
595 /* Wrapper around source_script_with_search to export it to main.c
596 for use in loading .gdbinit scripts. */
599 source_script (char *file
, int from_tty
)
601 source_script_with_search (file
, from_tty
, 0);
604 /* Return the source_verbose global variable to its previous state
605 on exit from the source command, by whatever means. */
607 source_verbose_cleanup (void *old_value
)
609 source_verbose
= *(int *)old_value
;
614 source_command (char *args
, int from_tty
)
616 struct cleanup
*old_cleanups
;
618 int *old_source_verbose
= xmalloc (sizeof(int));
621 *old_source_verbose
= source_verbose
;
622 old_cleanups
= make_cleanup (source_verbose_cleanup
,
625 /* -v causes the source command to run in verbose mode.
626 -s causes the file to be searched in the source search path,
627 even if the file name contains a '/'.
628 We still have to be able to handle filenames with spaces in a
629 backward compatible way, so buildargv is not appropriate. */
633 while (args
[0] != '\0')
635 /* Make sure leading white space does not break the
637 while (isspace(args
[0]))
643 if (args
[1] == 'v' && isspace (args
[2]))
647 /* Skip passed -v. */
650 else if (args
[1] == 's' && isspace (args
[2]))
654 /* Skip passed -s. */
661 while (isspace (args
[0]))
666 source_script_with_search (file
, from_tty
, search_path
);
668 do_cleanups (old_cleanups
);
673 echo_command (char *text
, int from_tty
)
679 while ((c
= *p
++) != '\0')
683 /* \ at end of argument is used after spaces
684 so they won't be lost. */
688 c
= parse_escape (get_current_arch (), &p
);
690 printf_filtered ("%c", c
);
693 printf_filtered ("%c", c
);
696 /* Force this output to appear now. */
698 gdb_flush (gdb_stdout
);
702 shell_escape (char *arg
, int from_tty
)
704 #if defined(CANT_FORK) || \
705 (!defined(HAVE_WORKING_VFORK) && !defined(HAVE_WORKING_FORK))
706 /* If ARG is NULL, they want an inferior shell, but `system' just
707 reports if the shell is available when passed a NULL arg. */
708 int rc
= system (arg
? arg
: "");
711 arg
= "inferior shell";
715 fprintf_unfiltered (gdb_stderr
, "Cannot execute %s: %s\n", arg
,
716 safe_strerror (errno
));
717 gdb_flush (gdb_stderr
);
721 fprintf_unfiltered (gdb_stderr
, "%s exited with status %d\n", arg
, rc
);
722 gdb_flush (gdb_stderr
);
725 /* Make sure to return to the directory GDB thinks it is, in case
726 the shell command we just ran changed it. */
727 chdir (current_directory
);
729 #else /* Can fork. */
732 if ((pid
= vfork ()) == 0)
734 const char *p
, *user_shell
;
736 if ((user_shell
= (char *) getenv ("SHELL")) == NULL
)
737 user_shell
= "/bin/sh";
739 /* Get the name of the shell for arg0. */
740 p
= lbasename (user_shell
);
743 execl (user_shell
, p
, (char *) 0);
745 execl (user_shell
, p
, "-c", arg
, (char *) 0);
747 fprintf_unfiltered (gdb_stderr
, "Cannot execute %s: %s\n", user_shell
,
748 safe_strerror (errno
));
749 gdb_flush (gdb_stderr
);
754 waitpid (pid
, &status
, 0);
756 error (_("Fork failed"));
757 #endif /* Can fork. */
761 edit_command (char *arg
, int from_tty
)
763 struct symtabs_and_lines sals
;
764 struct symtab_and_line sal
;
770 /* Pull in the current default source line if necessary. */
773 set_default_source_symtab_and_line ();
774 sal
= get_current_source_symtab_and_line ();
777 /* Bare "edit" edits file with present line. */
782 error (_("No default source file yet."));
783 sal
.line
+= get_lines_to_list () / 2;
787 /* Now should only be one argument -- decode it in SAL. */
790 sals
= decode_line_1 (&arg1
, 0, 0, 0, 0);
799 ambiguous_line_spec (&sals
);
808 error (_("Junk at end of line specification."));
810 /* If line was specified by address, first print exactly which
811 line, and which file. In this case, sal.symtab == 0 means
812 address is outside of all known source files, not that user
813 failed to give a filename. */
816 struct gdbarch
*gdbarch
;
819 /* FIXME-32x64--assumes sal.pc fits in long. */
820 error (_("No source file for address %s."),
821 hex_string ((unsigned long) sal
.pc
));
823 gdbarch
= get_objfile_arch (sal
.symtab
->objfile
);
824 sym
= find_pc_function (sal
.pc
);
826 printf_filtered ("%s is in %s (%s:%d).\n",
827 paddress (gdbarch
, sal
.pc
),
828 SYMBOL_PRINT_NAME (sym
),
829 sal
.symtab
->filename
, sal
.line
);
831 printf_filtered ("%s is at %s:%d.\n",
832 paddress (gdbarch
, sal
.pc
),
833 sal
.symtab
->filename
, sal
.line
);
836 /* If what was given does not imply a symtab, it must be an
837 undebuggable symbol which means no source code. */
840 error (_("No line number known for %s."), arg
);
843 if ((editor
= (char *) getenv ("EDITOR")) == NULL
)
846 /* If we don't already know the full absolute file name of the
847 source file, find it now. */
848 if (!sal
.symtab
->fullname
)
850 fn
= symtab_to_fullname (sal
.symtab
);
855 fn
= sal
.symtab
->fullname
;
857 /* Quote the file name, in case it has whitespace or other special
859 p
= xstrprintf ("%s +%d \"%s\"", editor
, sal
.line
, fn
);
860 shell_escape (p
, from_tty
);
865 list_command (char *arg
, int from_tty
)
867 struct symtabs_and_lines sals
, sals_end
;
868 struct symtab_and_line sal
= { 0 };
869 struct symtab_and_line sal_end
= { 0 };
870 struct symtab_and_line cursal
= { 0 };
879 /* Pull in the current default source line if necessary. */
880 if (arg
== 0 || arg
[0] == '+' || arg
[0] == '-')
882 set_default_source_symtab_and_line ();
883 cursal
= get_current_source_symtab_and_line ();
886 /* "l" or "l +" lists next ten lines. */
888 if (arg
== 0 || strcmp (arg
, "+") == 0)
890 print_source_lines (cursal
.symtab
, cursal
.line
,
891 cursal
.line
+ get_lines_to_list (), 0);
895 /* "l -" lists previous ten lines, the ones before the ten just
897 if (strcmp (arg
, "-") == 0)
899 print_source_lines (cursal
.symtab
,
900 max (get_first_line_listed ()
901 - get_lines_to_list (), 1),
902 get_first_line_listed (), 0);
906 /* Now if there is only one argument, decode it in SAL
908 If there are two arguments, decode them in SAL and SAL_END
909 and clear NO_END; however, if one of the arguments is blank,
910 set DUMMY_BEG or DUMMY_END to record that fact. */
912 if (!have_full_symbols () && !have_partial_symbols ())
913 error (_("No symbol table is loaded. Use the \"file\" command."));
920 sals
= decode_line_1 (&arg1
, 0, 0, 0, 0);
926 ambiguous_line_spec (&sals
);
935 /* Record whether the BEG arg is all digits. */
937 for (p
= arg
; p
!= arg1
&& *p
>= '0' && *p
<= '9'; p
++);
938 linenum_beg
= (p
== arg1
);
940 while (*arg1
== ' ' || *arg1
== '\t')
946 while (*arg1
== ' ' || *arg1
== '\t')
953 sals_end
= decode_line_1 (&arg1
, 0, 0, 0, 0);
955 sals_end
= decode_line_1 (&arg1
, 0, sal
.symtab
, sal
.line
, 0);
956 if (sals_end
.nelts
== 0)
958 if (sals_end
.nelts
> 1)
960 ambiguous_line_spec (&sals_end
);
961 xfree (sals_end
.sals
);
964 sal_end
= sals_end
.sals
[0];
965 xfree (sals_end
.sals
);
970 error (_("Junk at end of line specification."));
972 if (!no_end
&& !dummy_beg
&& !dummy_end
973 && sal
.symtab
!= sal_end
.symtab
)
974 error (_("Specified start and end are in different files."));
975 if (dummy_beg
&& dummy_end
)
976 error (_("Two empty args do not say what lines to list."));
978 /* If line was specified by address,
979 first print exactly which line, and which file.
981 In this case, sal.symtab == 0 means address is outside of all
982 known source files, not that user failed to give a filename. */
985 struct gdbarch
*gdbarch
;
988 /* FIXME-32x64--assumes sal.pc fits in long. */
989 error (_("No source file for address %s."),
990 hex_string ((unsigned long) sal
.pc
));
992 gdbarch
= get_objfile_arch (sal
.symtab
->objfile
);
993 sym
= find_pc_function (sal
.pc
);
995 printf_filtered ("%s is in %s (%s:%d).\n",
996 paddress (gdbarch
, sal
.pc
),
997 SYMBOL_PRINT_NAME (sym
),
998 sal
.symtab
->filename
, sal
.line
);
1000 printf_filtered ("%s is at %s:%d.\n",
1001 paddress (gdbarch
, sal
.pc
),
1002 sal
.symtab
->filename
, sal
.line
);
1005 /* If line was not specified by just a line number, and it does not
1006 imply a symtab, it must be an undebuggable symbol which means no
1009 if (!linenum_beg
&& sal
.symtab
== 0)
1010 error (_("No line number known for %s."), arg
);
1012 /* If this command is repeated with RET,
1013 turn it into the no-arg variant. */
1018 if (dummy_beg
&& sal_end
.symtab
== 0)
1019 error (_("No default source file yet. Do \"help list\"."));
1021 print_source_lines (sal_end
.symtab
,
1022 max (sal_end
.line
- (get_lines_to_list () - 1), 1),
1023 sal_end
.line
+ 1, 0);
1024 else if (sal
.symtab
== 0)
1025 error (_("No default source file yet. Do \"help list\"."));
1028 int first_line
= sal
.line
- get_lines_to_list () / 2;
1030 if (first_line
< 1) first_line
= 1;
1032 print_source_lines (sal
.symtab
,
1034 first_line
+ get_lines_to_list (),
1038 print_source_lines (sal
.symtab
, sal
.line
,
1040 ? sal
.line
+ get_lines_to_list ()
1041 : sal_end
.line
+ 1),
1045 /* Subroutine of disassemble_command to simplify it.
1046 Perform the disassembly.
1047 NAME is the name of the function if known, or NULL.
1048 [LOW,HIGH) are the range of addresses to disassemble.
1049 MIXED is non-zero to print source with the assembler. */
1052 print_disassembly (struct gdbarch
*gdbarch
, const char *name
,
1053 CORE_ADDR low
, CORE_ADDR high
, int flags
)
1056 if (!tui_is_window_visible (DISASSEM_WIN
))
1059 printf_filtered ("Dump of assembler code ");
1061 printf_filtered ("for function %s:\n", name
);
1063 printf_filtered ("from %s to %s:\n",
1064 paddress (gdbarch
, low
), paddress (gdbarch
, high
));
1066 /* Dump the specified range. */
1067 gdb_disassembly (gdbarch
, current_uiout
, 0, flags
, -1, low
, high
);
1069 printf_filtered ("End of assembler dump.\n");
1070 gdb_flush (gdb_stdout
);
1075 tui_show_assembly (gdbarch
, low
);
1080 /* Subroutine of disassemble_command to simplify it.
1081 Print a disassembly of the current function according to FLAGS. */
1084 disassemble_current_function (int flags
)
1086 struct frame_info
*frame
;
1087 struct gdbarch
*gdbarch
;
1088 CORE_ADDR low
, high
, pc
;
1091 frame
= get_selected_frame (_("No frame selected."));
1092 gdbarch
= get_frame_arch (frame
);
1093 pc
= get_frame_pc (frame
);
1094 if (find_pc_partial_function (pc
, &name
, &low
, &high
) == 0)
1095 error (_("No function contains program counter for selected frame."));
1097 /* NOTE: cagney/2003-02-13 The `tui_active' was previously
1100 /* FIXME: cagney/2004-02-07: This should be an observer. */
1101 low
= tui_get_low_disassembly_address (gdbarch
, low
, pc
);
1103 low
+= gdbarch_deprecated_function_start_offset (gdbarch
);
1105 print_disassembly (gdbarch
, name
, low
, high
, flags
);
1108 /* Dump a specified section of assembly code.
1112 - dump the assembly code for the function of the current pc
1113 disassemble [/mr] addr
1114 - dump the assembly code for the function at ADDR
1115 disassemble [/mr] low,high
1116 disassemble [/mr] low,+length
1117 - dump the assembly code in the range [LOW,HIGH), or [LOW,LOW+length)
1119 A /m modifier will include source code with the assembly.
1120 A /r modifier will include raw instructions in hex with the assembly. */
1123 disassemble_command (char *arg
, int from_tty
)
1125 struct gdbarch
*gdbarch
= get_current_arch ();
1126 CORE_ADDR low
, high
;
1134 if (arg
&& *arg
== '/')
1139 error (_("Missing modifier."));
1141 while (*arg
&& ! isspace (*arg
))
1146 flags
|= DISASSEMBLY_SOURCE
;
1149 flags
|= DISASSEMBLY_RAW_INSN
;
1152 error (_("Invalid disassembly modifier."));
1156 while (isspace (*arg
))
1160 if (! arg
|| ! *arg
)
1162 flags
|= DISASSEMBLY_OMIT_FNAME
;
1163 disassemble_current_function (flags
);
1167 pc
= value_as_address (parse_to_comma_and_eval (&arg
));
1173 if (find_pc_partial_function (pc
, &name
, &low
, &high
) == 0)
1174 error (_("No function contains specified address."));
1176 /* NOTE: cagney/2003-02-13 The `tui_active' was previously
1179 /* FIXME: cagney/2004-02-07: This should be an observer. */
1180 low
= tui_get_low_disassembly_address (gdbarch
, low
, pc
);
1182 low
+= gdbarch_deprecated_function_start_offset (gdbarch
);
1183 flags
|= DISASSEMBLY_OMIT_FNAME
;
1187 /* Two arguments. */
1190 while (isspace (*arg
))
1197 high
= parse_and_eval_address (arg
);
1202 print_disassembly (gdbarch
, name
, low
, high
, flags
);
1206 make_command (char *arg
, int from_tty
)
1214 p
= xmalloc (sizeof ("make ") + strlen (arg
));
1215 strcpy (p
, "make ");
1216 strcpy (p
+ sizeof ("make ") - 1, arg
);
1219 shell_escape (p
, from_tty
);
1223 show_user (char *args
, int from_tty
)
1225 struct cmd_list_element
*c
;
1226 extern struct cmd_list_element
*cmdlist
;
1230 char *comname
= args
;
1232 c
= lookup_cmd (&comname
, cmdlist
, "", 0, 1);
1233 if (c
->class != class_user
)
1234 error (_("Not a user command."));
1235 show_user_1 (c
, "", args
, gdb_stdout
);
1239 for (c
= cmdlist
; c
; c
= c
->next
)
1241 if (c
->class == class_user
|| c
->prefixlist
!= NULL
)
1242 show_user_1 (c
, "", c
->name
, gdb_stdout
);
1247 /* Search through names of commands and documentations for a certain
1248 regular expression. */
1251 apropos_command (char *searchstr
, int from_tty
)
1256 if (searchstr
== NULL
)
1257 error (_("REGEXP string is empty"));
1259 code
= regcomp (&pattern
, searchstr
, REG_ICASE
);
1262 struct cleanup
*cleanups
;
1264 cleanups
= make_regfree_cleanup (&pattern
);
1265 apropos_cmd (gdb_stdout
, cmdlist
, &pattern
, "");
1266 do_cleanups (cleanups
);
1270 char *err
= get_regcomp_error (code
, &pattern
);
1272 make_cleanup (xfree
, err
);
1273 error (_("Error in regular expression: %s"), err
);
1277 /* Subroutine of alias_command to simplify it.
1278 Return the first N elements of ARGV flattened back to a string
1279 with a space separating each element.
1280 ARGV may not be NULL.
1281 This does not take care of quoting elements in case they contain spaces
1285 argv_to_dyn_string (char **argv
, int n
)
1288 dyn_string_t result
= dyn_string_new (10);
1290 gdb_assert (argv
!= NULL
);
1291 gdb_assert (n
>= 0 && n
<= countargv (argv
));
1293 for (i
= 0; i
< n
; ++i
)
1296 dyn_string_append_char (result
, ' ');
1297 dyn_string_append_cstr (result
, argv
[i
]);
1303 /* Subroutine of alias_command to simplify it.
1304 Return TRUE if COMMAND exists, unambiguously. Otherwise FALSE. */
1307 valid_command_p (char *command
)
1309 struct cmd_list_element
*c
;
1311 c
= lookup_cmd_1 (& command
, cmdlist
, NULL
, 1);
1313 if (c
== NULL
|| c
== (struct cmd_list_element
*) -1)
1316 /* This is the slightly tricky part.
1317 lookup_cmd_1 will return a pointer to the last part of COMMAND
1318 to match, leaving COMMAND pointing at the remainder. */
1319 while (*command
== ' ' || *command
== '\t')
1321 return *command
== '\0';
1324 /* Make an alias of an existing command. */
1327 alias_command (char *args
, int from_tty
)
1329 int i
, alias_argc
, command_argc
;
1330 int abbrev_flag
= 0;
1331 char *args2
, *equals
, *alias
, *command
;
1332 char **alias_argv
, **command_argv
;
1333 dyn_string_t alias_dyn_string
, command_dyn_string
;
1334 struct cmd_list_element
*c
;
1335 static const char usage
[] = N_("Usage: alias [-a] [--] ALIAS = COMMAND");
1337 if (args
== NULL
|| strchr (args
, '=') == NULL
)
1340 args2
= xstrdup (args
);
1341 make_cleanup (xfree
, args2
);
1342 equals
= strchr (args2
, '=');
1344 alias_argv
= gdb_buildargv (args2
);
1345 make_cleanup_freeargv (alias_argv
);
1346 command_argv
= gdb_buildargv (equals
+ 1);
1347 make_cleanup_freeargv (command_argv
);
1349 for (i
= 0; alias_argv
[i
] != NULL
; )
1351 if (strcmp (alias_argv
[i
], "-a") == 0)
1356 else if (strcmp (alias_argv
[i
], "--") == 0)
1365 if (alias_argv
[0] == NULL
|| command_argv
[0] == NULL
1366 || *alias_argv
[0] == '\0' || *command_argv
[0] == '\0')
1369 for (i
= 0; alias_argv
[i
] != NULL
; ++i
)
1371 if (! valid_user_defined_cmd_name_p (alias_argv
[i
]))
1374 error (_("Invalid command name: %s"), alias_argv
[i
]);
1376 error (_("Invalid command element name: %s"), alias_argv
[i
]);
1380 alias_argc
= countargv (alias_argv
);
1381 command_argc
= countargv (command_argv
);
1383 /* COMMAND must exist.
1384 Reconstruct the command to remove any extraneous spaces,
1385 for better error messages. */
1386 command_dyn_string
= argv_to_dyn_string (command_argv
, command_argc
);
1387 make_cleanup_dyn_string_delete (command_dyn_string
);
1388 command
= dyn_string_buf (command_dyn_string
);
1389 if (! valid_command_p (command
))
1390 error (_("Invalid command to alias to: %s"), command
);
1392 /* ALIAS must not exist. */
1393 alias_dyn_string
= argv_to_dyn_string (alias_argv
, alias_argc
);
1394 make_cleanup_dyn_string_delete (alias_dyn_string
);
1395 alias
= dyn_string_buf (alias_dyn_string
);
1396 if (valid_command_p (alias
))
1397 error (_("Alias already exists: %s"), alias
);
1399 /* If ALIAS is one word, it is an alias for the entire COMMAND.
1400 Example: alias spe = set print elements
1402 Otherwise ALIAS and COMMAND must have the same number of words,
1403 and every word except the last must match; and the last word of
1404 ALIAS is made an alias of the last word of COMMAND.
1405 Example: alias set print elms = set pr elem
1406 Note that unambiguous abbreviations are allowed. */
1408 if (alias_argc
== 1)
1410 /* add_cmd requires *we* allocate space for name, hence the xstrdup. */
1411 add_com_alias (xstrdup (alias_argv
[0]), command
, class_alias
,
1417 dyn_string_t alias_prefix_dyn_string
, command_prefix_dyn_string
;
1418 char *alias_prefix
, *command_prefix
;
1419 struct cmd_list_element
*c_alias
, *c_command
;
1421 if (alias_argc
!= command_argc
)
1422 error (_("Mismatched command length between ALIAS and COMMAND."));
1424 /* Create copies of ALIAS and COMMAND without the last word,
1425 and use that to verify the leading elements match. */
1426 alias_prefix_dyn_string
=
1427 argv_to_dyn_string (alias_argv
, alias_argc
- 1);
1428 make_cleanup_dyn_string_delete (alias_prefix_dyn_string
);
1429 command_prefix_dyn_string
=
1430 argv_to_dyn_string (alias_argv
, command_argc
- 1);
1431 make_cleanup_dyn_string_delete (command_prefix_dyn_string
);
1432 alias_prefix
= dyn_string_buf (alias_prefix_dyn_string
);
1433 command_prefix
= dyn_string_buf (command_prefix_dyn_string
);
1435 c_command
= lookup_cmd_1 (& command_prefix
, cmdlist
, NULL
, 1);
1436 /* We've already tried to look up COMMAND. */
1437 gdb_assert (c_command
!= NULL
1438 && c_command
!= (struct cmd_list_element
*) -1);
1439 gdb_assert (c_command
->prefixlist
!= NULL
);
1440 c_alias
= lookup_cmd_1 (& alias_prefix
, cmdlist
, NULL
, 1);
1441 if (c_alias
!= c_command
)
1442 error (_("ALIAS and COMMAND prefixes do not match."));
1444 /* add_cmd requires *we* allocate space for name, hence the xstrdup. */
1445 add_alias_cmd (xstrdup (alias_argv
[alias_argc
- 1]),
1446 command_argv
[command_argc
- 1],
1447 class_alias
, abbrev_flag
, c_command
->prefixlist
);
1451 /* Print a list of files and line numbers which a user may choose from
1452 in order to list a function which was specified ambiguously (as
1453 with `list classname::overloadedfuncname', for example). The
1454 vector in SALS provides the filenames and line numbers. */
1457 ambiguous_line_spec (struct symtabs_and_lines
*sals
)
1461 for (i
= 0; i
< sals
->nelts
; ++i
)
1462 printf_filtered (_("file: \"%s\", line number: %d\n"),
1463 sals
->sals
[i
].symtab
->filename
, sals
->sals
[i
].line
);
1467 set_debug (char *arg
, int from_tty
)
1469 printf_unfiltered (_("\"set debug\" must be followed by "
1470 "the name of a debug subcommand.\n"));
1471 help_list (setdebuglist
, "set debug ", -1, gdb_stdout
);
1475 show_debug (char *args
, int from_tty
)
1477 cmd_show_list (showdebuglist
, from_tty
, "");
1481 init_cmd_lists (void)
1483 max_user_call_depth
= 1024;
1493 enablebreaklist
= NULL
;
1498 showhistlist
= NULL
;
1499 unsethistlist
= NULL
;
1500 maintenancelist
= NULL
;
1501 maintenanceinfolist
= NULL
;
1502 maintenanceprintlist
= NULL
;
1503 setprintlist
= NULL
;
1504 showprintlist
= NULL
;
1505 setchecklist
= NULL
;
1506 showchecklist
= NULL
;
1510 show_info_verbose (struct ui_file
*file
, int from_tty
,
1511 struct cmd_list_element
*c
,
1515 fprintf_filtered (file
,
1516 _("Verbose printing of informational messages is %s.\n"),
1519 fprintf_filtered (file
, _("Verbosity is %s.\n"), value
);
1523 show_history_expansion_p (struct ui_file
*file
, int from_tty
,
1524 struct cmd_list_element
*c
, const char *value
)
1526 fprintf_filtered (file
, _("History expansion on command input is %s.\n"),
1531 show_baud_rate (struct ui_file
*file
, int from_tty
,
1532 struct cmd_list_element
*c
, const char *value
)
1534 fprintf_filtered (file
, _("Baud rate for remote serial I/O is %s.\n"),
1539 show_remote_debug (struct ui_file
*file
, int from_tty
,
1540 struct cmd_list_element
*c
, const char *value
)
1542 fprintf_filtered (file
, _("Debugging of remote protocol is %s.\n"),
1547 show_remote_timeout (struct ui_file
*file
, int from_tty
,
1548 struct cmd_list_element
*c
, const char *value
)
1550 fprintf_filtered (file
,
1551 _("Timeout limit to wait for target to respond is %s.\n"),
1556 show_max_user_call_depth (struct ui_file
*file
, int from_tty
,
1557 struct cmd_list_element
*c
, const char *value
)
1559 fprintf_filtered (file
,
1560 _("The max call depth for user-defined commands is %s.\n"),
1566 init_cli_cmds (void)
1568 struct cmd_list_element
*c
;
1569 char *source_help_text
;
1571 /* Define the classes of commands.
1572 They will appear in the help list in the reverse of this order. */
1574 add_cmd ("internals", class_maintenance
, NULL
, _("\
1575 Maintenance commands.\n\
1576 Some gdb commands are provided just for use by gdb maintainers.\n\
1577 These commands are subject to frequent change, and may not be as\n\
1578 well documented as user commands."),
1580 add_cmd ("obscure", class_obscure
, NULL
, _("Obscure features."), &cmdlist
);
1581 add_cmd ("aliases", class_alias
, NULL
,
1582 _("Aliases of other commands."), &cmdlist
);
1583 add_cmd ("user-defined", class_user
, NULL
, _("\
1584 User-defined commands.\n\
1585 The commands in this class are those defined by the user.\n\
1586 Use the \"define\" command to define a command."), &cmdlist
);
1587 add_cmd ("support", class_support
, NULL
, _("Support facilities."), &cmdlist
);
1589 add_cmd ("status", class_info
, NULL
, _("Status inquiries."), &cmdlist
);
1590 add_cmd ("files", class_files
, NULL
, _("Specifying and examining files."),
1592 add_cmd ("breakpoints", class_breakpoint
, NULL
,
1593 _("Making program stop at certain points."), &cmdlist
);
1594 add_cmd ("data", class_vars
, NULL
, _("Examining data."), &cmdlist
);
1595 add_cmd ("stack", class_stack
, NULL
, _("\
1596 Examining the stack.\n\
1597 The stack is made up of stack frames. Gdb assigns numbers to stack frames\n\
1598 counting from zero for the innermost (currently executing) frame.\n\n\
1599 At any time gdb identifies one frame as the \"selected\" frame.\n\
1600 Variable lookups are done with respect to the selected frame.\n\
1601 When the program being debugged stops, gdb selects the innermost frame.\n\
1602 The commands below can be used to select other frames by number or address."),
1604 add_cmd ("running", class_run
, NULL
, _("Running the program."), &cmdlist
);
1606 /* Define general commands. */
1608 add_com ("pwd", class_files
, pwd_command
, _("\
1609 Print working directory. This is used for your program as well."));
1611 c
= add_cmd ("cd", class_files
, cd_command
, _("\
1612 Set working directory to DIR for debugger and program being debugged.\n\
1613 The change does not take effect for the program being debugged\n\
1614 until the next time it is started."), &cmdlist
);
1615 set_cmd_completer (c
, filename_completer
);
1617 add_com ("echo", class_support
, echo_command
, _("\
1618 Print a constant string. Give string as argument.\n\
1619 C escape sequences may be used in the argument.\n\
1620 No newline is added at the end of the argument;\n\
1621 use \"\\n\" if you want a newline to be printed.\n\
1622 Since leading and trailing whitespace are ignored in command arguments,\n\
1623 if you want to print some you must use \"\\\" before leading whitespace\n\
1624 to be printed or after trailing whitespace."));
1625 add_com ("document", class_support
, document_command
, _("\
1626 Document a user-defined command.\n\
1627 Give command name as argument. Give documentation on following lines.\n\
1628 End with a line of just \"end\"."));
1629 add_com ("define", class_support
, define_command
, _("\
1630 Define a new command name. Command name is argument.\n\
1631 Definition appears on following lines, one command per line.\n\
1632 End with a line of just \"end\".\n\
1633 Use the \"document\" command to give documentation for the new command.\n\
1634 Commands defined in this way may have up to ten arguments."));
1636 source_help_text
= xstrprintf (_("\
1637 Read commands from a file named FILE.\n\
1639 Usage: source [-s] [-v] FILE\n\
1640 -s: search for the script in the source search path,\n\
1641 even if FILE contains directories.\n\
1642 -v: each command in FILE is echoed as it is executed.\n\
1644 Note that the file \"%s\" is read automatically in this way\n\
1645 when GDB is started."), gdbinit
);
1646 c
= add_cmd ("source", class_support
, source_command
,
1647 source_help_text
, &cmdlist
);
1648 set_cmd_completer (c
, filename_completer
);
1650 add_setshow_enum_cmd ("script-extension", class_support
,
1651 script_ext_enums
, &script_ext_mode
, _("\
1652 Set mode for script filename extension recognition."), _("\
1653 Show mode for script filename extension recognition."), _("\
1654 off == no filename extension recognition (all sourced files are GDB scripts)\n\
1655 soft == evaluate script according to filename extension, fallback to GDB script"
1657 strict == evaluate script according to filename extension, error if not supported"
1660 show_script_ext_mode
,
1661 &setlist
, &showlist
);
1663 add_com ("quit", class_support
, quit_command
, _("Exit gdb."));
1664 c
= add_com ("help", class_support
, help_command
,
1665 _("Print list of commands."));
1666 set_cmd_completer (c
, command_completer
);
1667 add_com_alias ("q", "quit", class_support
, 1);
1668 add_com_alias ("h", "help", class_support
, 1);
1670 add_setshow_boolean_cmd ("verbose", class_support
, &info_verbose
, _("\
1671 Set verbosity."), _("\
1672 Show verbosity."), NULL
,
1675 &setlist
, &showlist
);
1677 add_prefix_cmd ("history", class_support
, set_history
,
1678 _("Generic command for setting command history parameters."),
1679 &sethistlist
, "set history ", 0, &setlist
);
1680 add_prefix_cmd ("history", class_support
, show_history
,
1681 _("Generic command for showing command history parameters."),
1682 &showhistlist
, "show history ", 0, &showlist
);
1684 add_setshow_boolean_cmd ("expansion", no_class
, &history_expansion_p
, _("\
1685 Set history expansion on command input."), _("\
1686 Show history expansion on command input."), _("\
1687 Without an argument, history expansion is enabled."),
1689 show_history_expansion_p
,
1690 &sethistlist
, &showhistlist
);
1692 add_prefix_cmd ("info", class_info
, info_command
, _("\
1693 Generic command for showing things about the program being debugged."),
1694 &infolist
, "info ", 0, &cmdlist
);
1695 add_com_alias ("i", "info", class_info
, 1);
1696 add_com_alias ("inf", "info", class_info
, 1);
1698 add_com ("complete", class_obscure
, complete_command
,
1699 _("List the completions for the rest of the line as a command."));
1701 add_prefix_cmd ("show", class_info
, show_command
, _("\
1702 Generic command for showing things about the debugger."),
1703 &showlist
, "show ", 0, &cmdlist
);
1704 /* Another way to get at the same thing. */
1705 add_info ("set", show_command
, _("Show all GDB settings."));
1707 add_cmd ("commands", no_set_class
, show_commands
, _("\
1708 Show the history of commands you typed.\n\
1709 You can supply a command number to start with, or a `+' to start after\n\
1710 the previous command number shown."),
1713 add_cmd ("version", no_set_class
, show_version
,
1714 _("Show what version of GDB this is."), &showlist
);
1716 add_com ("while", class_support
, while_command
, _("\
1717 Execute nested commands WHILE the conditional expression is non zero.\n\
1718 The conditional expression must follow the word `while' and must in turn be\n\
1719 followed by a new line. The nested commands must be entered one per line,\n\
1720 and should be terminated by the word `end'."));
1722 add_com ("if", class_support
, if_command
, _("\
1723 Execute nested commands once IF the conditional expression is non zero.\n\
1724 The conditional expression must follow the word `if' and must in turn be\n\
1725 followed by a new line. The nested commands must be entered one per line,\n\
1726 and should be terminated by the word 'else' or `end'. If an else clause\n\
1727 is used, the same rules apply to its nested commands as to the first ones."));
1729 /* If target is open when baud changes, it doesn't take effect until
1730 the next open (I think, not sure). */
1731 add_setshow_zinteger_cmd ("remotebaud", no_class
, &baud_rate
, _("\
1732 Set baud rate for remote serial I/O."), _("\
1733 Show baud rate for remote serial I/O."), _("\
1734 This value is used to set the speed of the serial port when debugging\n\
1735 using remote targets."),
1738 &setlist
, &showlist
);
1740 add_setshow_zinteger_cmd ("remote", no_class
, &remote_debug
, _("\
1741 Set debugging of remote protocol."), _("\
1742 Show debugging of remote protocol."), _("\
1743 When enabled, each packet sent or received with the remote target\n\
1747 &setdebuglist
, &showdebuglist
);
1749 add_setshow_integer_cmd ("remotetimeout", no_class
, &remote_timeout
, _("\
1750 Set timeout limit to wait for target to respond."), _("\
1751 Show timeout limit to wait for target to respond."), _("\
1752 This value is used to set the time limit for gdb to wait for a response\n\
1755 show_remote_timeout
,
1756 &setlist
, &showlist
);
1758 add_prefix_cmd ("debug", no_class
, set_debug
,
1759 _("Generic command for setting gdb debugging flags"),
1760 &setdebuglist
, "set debug ", 0, &setlist
);
1762 add_prefix_cmd ("debug", no_class
, show_debug
,
1763 _("Generic command for showing gdb debugging flags"),
1764 &showdebuglist
, "show debug ", 0, &showlist
);
1766 c
= add_com ("shell", class_support
, shell_escape
, _("\
1767 Execute the rest of the line as a shell command.\n\
1768 With no arguments, run an inferior shell."));
1769 set_cmd_completer (c
, filename_completer
);
1771 c
= add_com ("edit", class_files
, edit_command
, _("\
1772 Edit specified file or function.\n\
1773 With no argument, edits file containing most recent line listed.\n\
1774 Editing targets can be specified in these ways:\n\
1775 FILE:LINENUM, to edit at that line in that file,\n\
1776 FUNCTION, to edit at the beginning of that function,\n\
1777 FILE:FUNCTION, to distinguish among like-named static functions.\n\
1778 *ADDRESS, to edit at the line containing that address.\n\
1779 Uses EDITOR environment variable contents as editor (or ex as default)."));
1781 c
->completer
= location_completer
;
1783 add_com ("list", class_files
, list_command
, _("\
1784 List specified function or line.\n\
1785 With no argument, lists ten more lines after or around previous listing.\n\
1786 \"list -\" lists the ten lines before a previous ten-line listing.\n\
1787 One argument specifies a line, and ten lines are listed around that line.\n\
1788 Two arguments with comma between specify starting and ending lines to list.\n\
1789 Lines can be specified in these ways:\n\
1790 LINENUM, to list around that line in current file,\n\
1791 FILE:LINENUM, to list around that line in that file,\n\
1792 FUNCTION, to list around beginning of that function,\n\
1793 FILE:FUNCTION, to distinguish among like-named static functions.\n\
1794 *ADDRESS, to list around the line containing that address.\n\
1795 With two args if one is empty it stands for ten lines away from \
1799 add_com_alias ("l", "list", class_files
, 1);
1801 add_com_alias ("v", "list", class_files
, 1);
1804 add_com_alias ("file", "list", class_files
, 1);
1806 c
= add_com ("disassemble", class_vars
, disassemble_command
, _("\
1807 Disassemble a specified section of memory.\n\
1808 Default is the function surrounding the pc of the selected frame.\n\
1809 With a /m modifier, source lines are included (if available).\n\
1810 With a /r modifier, raw instructions in hex are included.\n\
1811 With a single argument, the function surrounding that address is dumped.\n\
1812 Two arguments (separated by a comma) are taken as a range of memory to dump,\n\
1813 in the form of \"start,end\", or \"start,+length\"."));
1814 set_cmd_completer (c
, location_completer
);
1816 add_com_alias ("va", "disassemble", class_xdb
, 0);
1818 /* NOTE: cagney/2000-03-20: Being able to enter ``(gdb) !ls'' would
1819 be a really useful feature. Unfortunately, the below wont do
1820 this. Instead it adds support for the form ``(gdb) ! ls''
1821 (i.e. the space is required). If the ``!'' command below is
1822 added the complains about no ``!'' command would be replaced by
1823 complains about how the ``!'' command is broken :-) */
1825 add_com_alias ("!", "shell", class_support
, 0);
1827 c
= add_com ("make", class_support
, make_command
, _("\
1828 Run the ``make'' program using the rest of the line as arguments."));
1829 set_cmd_completer (c
, filename_completer
);
1830 add_cmd ("user", no_class
, show_user
, _("\
1831 Show definitions of user defined commands.\n\
1832 Argument is the name of the user defined command.\n\
1833 With no argument, show definitions of all user defined commands."), &showlist
);
1834 add_com ("apropos", class_support
, apropos_command
,
1835 _("Search for commands matching a REGEXP"));
1837 add_setshow_integer_cmd ("max-user-call-depth", no_class
,
1838 &max_user_call_depth
, _("\
1839 Set the max call depth for user-defined commands."), _("\
1840 Show the max call depth for user-defined commands."), NULL
,
1842 show_max_user_call_depth
,
1843 &setlist
, &showlist
);
1845 add_setshow_boolean_cmd ("trace-commands", no_class
, &trace_commands
, _("\
1846 Set tracing of GDB CLI commands."), _("\
1847 Show state of GDB CLI command tracing."), _("\
1848 When 'on', each command is displayed as it is executed."),
1851 &setlist
, &showlist
);
1853 c
= add_com ("alias", class_support
, alias_command
, _("\
1854 Define a new command that is an alias of an existing command.\n\
1855 Usage: alias [-a] [--] ALIAS = COMMAND\n\
1856 ALIAS is the name of the alias command to create.\n\
1857 COMMAND is the command being aliased to.\n\
1858 If \"-a\" is specified, the command is an abbreviation,\n\
1859 and will not appear in help command list output.\n\
1862 Make \"spe\" an alias of \"set print elements\":\n\
1863 alias spe = set print elements\n\
1864 Make \"elms\" an alias of \"elements\" in the \"set print\" command:\n\
1865 alias -a set print elms = set print elements"));