3 Copyright (C) 2000-2014 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_vfork.h"
32 #include "expression.h"
36 #include "filenames.h" /* For DOSish file names. */
40 #include "tracepoint.h"
41 #include "filestuff.h"
46 #include "cli/cli-decode.h"
47 #include "cli/cli-script.h"
48 #include "cli/cli-setshow.h"
49 #include "cli/cli-cmds.h"
50 #include "cli/cli-utils.h"
52 #include "extension.h"
55 #include "tui/tui.h" /* For tui_active et.al. */
60 /* Prototypes for local command functions */
62 static void complete_command (char *, int);
64 static void echo_command (char *, int);
66 static void pwd_command (char *, int);
68 static void show_version (char *, int);
70 static void help_command (char *, int);
72 static void show_command (char *, int);
74 static void info_command (char *, int);
76 static void show_debug (char *, int);
78 static void set_debug (char *, int);
80 static void show_user (char *, int);
82 static void make_command (char *, int);
84 static void shell_escape (char *, int);
86 static void edit_command (char *, int);
88 static void list_command (char *, int);
90 /* Prototypes for local utility functions */
92 static void ambiguous_line_spec (struct symtabs_and_lines
*);
94 static void filter_sals (struct symtabs_and_lines
*);
97 /* Limit the call depth of user-defined commands */
98 unsigned int max_user_call_depth
;
100 /* Define all cmd_list_elements. */
102 /* Chain containing all defined commands. */
104 struct cmd_list_element
*cmdlist
;
106 /* Chain containing all defined info subcommands. */
108 struct cmd_list_element
*infolist
;
110 /* Chain containing all defined enable subcommands. */
112 struct cmd_list_element
*enablelist
;
114 /* Chain containing all defined disable subcommands. */
116 struct cmd_list_element
*disablelist
;
118 /* Chain containing all defined stop subcommands. */
120 struct cmd_list_element
*stoplist
;
122 /* Chain containing all defined delete subcommands. */
124 struct cmd_list_element
*deletelist
;
126 /* Chain containing all defined detach subcommands. */
128 struct cmd_list_element
*detachlist
;
130 /* Chain containing all defined kill subcommands. */
132 struct cmd_list_element
*killlist
;
134 /* Chain containing all defined set subcommands */
136 struct cmd_list_element
*setlist
;
138 /* Chain containing all defined unset subcommands */
140 struct cmd_list_element
*unsetlist
;
142 /* Chain containing all defined show subcommands. */
144 struct cmd_list_element
*showlist
;
146 /* Chain containing all defined \"set history\". */
148 struct cmd_list_element
*sethistlist
;
150 /* Chain containing all defined \"show history\". */
152 struct cmd_list_element
*showhistlist
;
154 /* Chain containing all defined \"unset history\". */
156 struct cmd_list_element
*unsethistlist
;
158 /* Chain containing all defined maintenance subcommands. */
160 struct cmd_list_element
*maintenancelist
;
162 /* Chain containing all defined "maintenance info" subcommands. */
164 struct cmd_list_element
*maintenanceinfolist
;
166 /* Chain containing all defined "maintenance print" subcommands. */
168 struct cmd_list_element
*maintenanceprintlist
;
170 struct cmd_list_element
*setprintlist
;
172 struct cmd_list_element
*showprintlist
;
174 struct cmd_list_element
*setdebuglist
;
176 struct cmd_list_element
*showdebuglist
;
178 struct cmd_list_element
*setchecklist
;
180 struct cmd_list_element
*showchecklist
;
182 /* Command tracing state. */
184 int source_verbose
= 0;
185 int trace_commands
= 0;
187 /* 'script-extension' option support. */
189 static const char script_ext_off
[] = "off";
190 static const char script_ext_soft
[] = "soft";
191 static const char script_ext_strict
[] = "strict";
193 static const char *const script_ext_enums
[] = {
200 static const char *script_ext_mode
= script_ext_soft
;
202 /* Utility used everywhere when at least one argument is needed and
206 error_no_arg (const char *why
)
208 error (_("Argument required (%s)."), why
);
211 /* The "info" command is defined as a prefix, with allow_unknown = 0.
212 Therefore, its own definition is called only for "info" with no
216 info_command (char *arg
, int from_tty
)
218 printf_unfiltered (_("\"info\" must be followed by "
219 "the name of an info command.\n"));
220 help_list (infolist
, "info ", all_commands
, gdb_stdout
);
223 /* The "show" command with no arguments shows all the settings. */
226 show_command (char *arg
, int from_tty
)
228 cmd_show_list (showlist
, from_tty
, "");
231 /* Provide documentation on command or list given by COMMAND. FROM_TTY
235 help_command (char *command
, int from_tty
)
237 help_cmd (command
, gdb_stdout
);
240 /* The "complete" command is used by Emacs to implement completion. */
243 complete_command (char *arg
, int from_tty
)
246 char *point
, *arg_prefix
;
247 VEC (char_ptr
) *completions
;
253 argpoint
= strlen (arg
);
255 /* complete_line assumes that its first argument is somewhere
256 within, and except for filenames at the beginning of, the word to
257 be completed. The following crude imitation of readline's
258 word-breaking tries to accomodate this. */
259 point
= arg
+ argpoint
;
262 if (strchr (rl_completer_word_break_characters
, point
[-1]) != 0)
267 arg_prefix
= alloca (point
- arg
+ 1);
268 memcpy (arg_prefix
, arg
, point
- arg
);
269 arg_prefix
[point
- arg
] = 0;
271 completions
= complete_line (point
, arg
, argpoint
);
275 int ix
, size
= VEC_length (char_ptr
, completions
);
276 char *item
, *prev
= NULL
;
278 qsort (VEC_address (char_ptr
, completions
), size
,
279 sizeof (char *), compare_strings
);
281 /* We do extra processing here since we only want to print each
283 for (ix
= 0; VEC_iterate (char_ptr
, completions
, ix
, item
); ++ix
)
285 if (prev
== NULL
|| strcmp (item
, prev
) != 0)
287 printf_unfiltered ("%s%s\n", arg_prefix
, item
);
296 VEC_free (char_ptr
, completions
);
301 is_complete_command (struct cmd_list_element
*c
)
303 return cmd_cfunc_eq (c
, complete_command
);
307 show_version (char *args
, int from_tty
)
309 print_gdb_version (gdb_stdout
);
310 printf_filtered ("\n");
314 show_configuration (char *args
, int from_tty
)
316 print_gdb_configuration (gdb_stdout
);
319 /* Handle the quit command. */
322 quit_command (char *args
, int from_tty
)
324 if (!quit_confirm ())
325 error (_("Not confirmed."));
327 query_if_trace_running (from_tty
);
329 quit_force (args
, from_tty
);
333 pwd_command (char *args
, int from_tty
)
336 error (_("The \"pwd\" command does not take an argument: %s"), args
);
337 if (! getcwd (gdb_dirbuf
, sizeof (gdb_dirbuf
)))
338 error (_("Error finding name of working directory: %s"),
339 safe_strerror (errno
));
341 if (strcmp (gdb_dirbuf
, current_directory
) != 0)
342 printf_unfiltered (_("Working directory %s\n (canonically %s).\n"),
343 current_directory
, gdb_dirbuf
);
345 printf_unfiltered (_("Working directory %s.\n"), current_directory
);
349 cd_command (char *dir
, int from_tty
)
352 /* Found something other than leading repetitions of "/..". */
355 struct cleanup
*cleanup
;
357 /* If the new directory is absolute, repeat is a no-op; if relative,
358 repeat might be useful but is more likely to be a mistake. */
364 dir
= tilde_expand (dir
);
365 cleanup
= make_cleanup (xfree
, dir
);
368 perror_with_name (dir
);
370 #ifdef HAVE_DOS_BASED_FILE_SYSTEM
371 /* There's too much mess with DOSish names like "d:", "d:.",
372 "d:./foo" etc. Instead of having lots of special #ifdef'ed code,
373 simply get the canonicalized name of the current directory. */
374 dir
= getcwd (gdb_dirbuf
, sizeof (gdb_dirbuf
));
378 if (IS_DIR_SEPARATOR (dir
[len
- 1]))
380 /* Remove the trailing slash unless this is a root directory
381 (including a drive letter on non-Unix systems). */
382 if (!(len
== 1) /* "/" */
383 #ifdef HAVE_DOS_BASED_FILE_SYSTEM
384 && !(len
== 3 && dir
[1] == ':') /* "d:/" */
390 dir
= savestring (dir
, len
);
391 if (IS_ABSOLUTE_PATH (dir
))
392 current_directory
= dir
;
395 if (IS_DIR_SEPARATOR (current_directory
[strlen (current_directory
) - 1]))
396 current_directory
= concat (current_directory
, dir
, (char *)NULL
);
398 current_directory
= concat (current_directory
, SLASH_STRING
,
403 /* Now simplify any occurrences of `.' and `..' in the pathname. */
406 for (p
= current_directory
; *p
;)
408 if (IS_DIR_SEPARATOR (p
[0]) && p
[1] == '.'
409 && (p
[2] == 0 || IS_DIR_SEPARATOR (p
[2])))
410 memmove (p
, p
+ 2, strlen (p
+ 2) + 1);
411 else if (IS_DIR_SEPARATOR (p
[0]) && p
[1] == '.' && p
[2] == '.'
412 && (p
[3] == 0 || IS_DIR_SEPARATOR (p
[3])))
416 /* Search backwards for the directory just before the "/.."
417 and obliterate it and the "/..". */
420 while (q
!= current_directory
&& !IS_DIR_SEPARATOR (q
[-1]))
423 if (q
== current_directory
)
424 /* current_directory is
425 a relative pathname ("can't happen"--leave it alone). */
429 memmove (q
- 1, p
+ 3, strlen (p
+ 3) + 1);
434 /* We are dealing with leading repetitions of "/..", for
435 example "/../..", which is the Mach super-root. */
445 forget_cached_source_info ();
448 pwd_command ((char *) 0, 1);
450 do_cleanups (cleanup
);
453 /* Show the current value of the 'script-extension' option. */
456 show_script_ext_mode (struct ui_file
*file
, int from_tty
,
457 struct cmd_list_element
*c
, const char *value
)
459 fprintf_filtered (file
,
460 _("Script filename extension recognition is \"%s\".\n"),
464 /* Try to open SCRIPT_FILE.
465 If successful, the full path name is stored in *FULL_PATHP,
466 the stream is stored in *STREAMP, and return 1.
467 The caller is responsible for freeing *FULL_PATHP.
468 If not successful, return 0; errno is set for the last file
471 If SEARCH_PATH is non-zero, and the file isn't found in cwd,
472 search for it in the source search path. */
475 find_and_open_script (const char *script_file
, int search_path
,
476 FILE **streamp
, char **full_pathp
)
480 struct cleanup
*old_cleanups
;
481 int search_flags
= OPF_TRY_CWD_FIRST
| OPF_RETURN_REALPATH
;
483 file
= tilde_expand (script_file
);
484 old_cleanups
= make_cleanup (xfree
, file
);
487 search_flags
|= OPF_SEARCH_IN_PATH
;
489 /* Search for and open 'file' on the search path used for source
490 files. Put the full location in *FULL_PATHP. */
491 fd
= openp (source_path
, search_flags
,
492 file
, O_RDONLY
, full_pathp
);
496 int save_errno
= errno
;
497 do_cleanups (old_cleanups
);
502 do_cleanups (old_cleanups
);
504 *streamp
= fdopen (fd
, FOPEN_RT
);
505 if (*streamp
== NULL
)
507 int save_errno
= errno
;
519 /* Load script FILE, which has already been opened as STREAM. */
522 source_script_from_stream (FILE *stream
, const char *file
)
524 if (script_ext_mode
!= script_ext_off
)
526 const struct extension_language_defn
*extlang
527 = get_ext_lang_of_file (file
);
531 if (ext_lang_present_p (extlang
))
533 script_sourcer_func
*sourcer
534 = ext_lang_script_sourcer (extlang
);
536 gdb_assert (sourcer
!= NULL
);
537 sourcer (extlang
, stream
, file
);
540 else if (script_ext_mode
== script_ext_soft
)
542 /* Assume the file is a gdb script.
543 This is handled below. */
546 throw_ext_lang_unsupported (extlang
);
550 script_from_file (stream
, file
);
553 /* Worker to perform the "source" command.
555 If SEARCH_PATH is non-zero, and the file isn't found in cwd,
556 search for it in the source search path. */
559 source_script_with_search (const char *file
, int from_tty
, int search_path
)
563 struct cleanup
*old_cleanups
;
565 if (file
== NULL
|| *file
== 0)
566 error (_("source command requires file name of file to source."));
568 if (!find_and_open_script (file
, search_path
, &stream
, &full_path
))
570 /* The script wasn't found, or was otherwise inaccessible.
571 If the source command was invoked interactively, throw an
572 error. Otherwise (e.g. if it was invoked by a script),
573 just emit a warning, rather than cause an error. */
575 perror_with_name (file
);
578 perror_warning_with_name (file
);
583 old_cleanups
= make_cleanup (xfree
, full_path
);
584 make_cleanup_fclose (stream
);
585 /* The python support reopens the file, so we need to pass full_path here
586 in case the file was found on the search path. It's useful to do this
587 anyway so that error messages show the actual file used. But only do
588 this if we (may have) used search_path, as printing the full path in
589 errors for the non-search case can be more noise than signal. */
590 source_script_from_stream (stream
, search_path
? full_path
: file
);
591 do_cleanups (old_cleanups
);
594 /* Wrapper around source_script_with_search to export it to main.c
595 for use in loading .gdbinit scripts. */
598 source_script (const char *file
, int from_tty
)
600 source_script_with_search (file
, from_tty
, 0);
603 /* Return the source_verbose global variable to its previous state
604 on exit from the source command, by whatever means. */
606 source_verbose_cleanup (void *old_value
)
608 source_verbose
= *(int *)old_value
;
613 source_command (char *args
, int from_tty
)
615 struct cleanup
*old_cleanups
;
617 int *old_source_verbose
= xmalloc (sizeof(int));
620 *old_source_verbose
= source_verbose
;
621 old_cleanups
= make_cleanup (source_verbose_cleanup
,
624 /* -v causes the source command to run in verbose mode.
625 -s causes the file to be searched in the source search path,
626 even if the file name contains a '/'.
627 We still have to be able to handle filenames with spaces in a
628 backward compatible way, so buildargv is not appropriate. */
632 while (args
[0] != '\0')
634 /* Make sure leading white space does not break the
636 args
= skip_spaces (args
);
641 if (args
[1] == 'v' && isspace (args
[2]))
645 /* Skip passed -v. */
648 else if (args
[1] == 's' && isspace (args
[2]))
652 /* Skip passed -s. */
659 file
= skip_spaces (args
);
662 source_script_with_search (file
, from_tty
, search_path
);
664 do_cleanups (old_cleanups
);
669 echo_command (char *text
, int from_tty
)
671 const char *p
= text
;
675 while ((c
= *p
++) != '\0')
679 /* \ at end of argument is used after spaces
680 so they won't be lost. */
684 c
= parse_escape (get_current_arch (), &p
);
686 printf_filtered ("%c", c
);
689 printf_filtered ("%c", c
);
692 /* Force this output to appear now. */
694 gdb_flush (gdb_stdout
);
698 shell_escape (char *arg
, int from_tty
)
700 #if defined(CANT_FORK) || \
701 (!defined(HAVE_WORKING_VFORK) && !defined(HAVE_WORKING_FORK))
702 /* If ARG is NULL, they want an inferior shell, but `system' just
703 reports if the shell is available when passed a NULL arg. */
704 int rc
= system (arg
? arg
: "");
707 arg
= "inferior shell";
711 fprintf_unfiltered (gdb_stderr
, "Cannot execute %s: %s\n", arg
,
712 safe_strerror (errno
));
713 gdb_flush (gdb_stderr
);
717 fprintf_unfiltered (gdb_stderr
, "%s exited with status %d\n", arg
, rc
);
718 gdb_flush (gdb_stderr
);
721 /* Make sure to return to the directory GDB thinks it is, in case
722 the shell command we just ran changed it. */
723 chdir (current_directory
);
725 #else /* Can fork. */
728 if ((pid
= vfork ()) == 0)
730 const char *p
, *user_shell
;
734 if ((user_shell
= (char *) getenv ("SHELL")) == NULL
)
735 user_shell
= "/bin/sh";
737 /* Get the name of the shell for arg0. */
738 p
= lbasename (user_shell
);
741 execl (user_shell
, p
, (char *) 0);
743 execl (user_shell
, p
, "-c", arg
, (char *) 0);
745 fprintf_unfiltered (gdb_stderr
, "Cannot execute %s: %s\n", user_shell
,
746 safe_strerror (errno
));
747 gdb_flush (gdb_stderr
);
752 waitpid (pid
, &status
, 0);
754 error (_("Fork failed"));
755 #endif /* Can fork. */
759 edit_command (char *arg
, int from_tty
)
761 struct symtabs_and_lines sals
;
762 struct symtab_and_line sal
;
769 /* Pull in the current default source line if necessary. */
772 set_default_source_symtab_and_line ();
773 sal
= get_current_source_symtab_and_line ();
776 /* Bare "edit" edits file with present line. */
781 error (_("No default source file yet."));
782 sal
.line
+= get_lines_to_list () / 2;
786 /* Now should only be one argument -- decode it in SAL. */
789 sals
= decode_line_1 (&arg1
, DECODE_LINE_LIST_MODE
, 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 error (_("No source file for address %s."),
820 paddress (get_current_arch (), sal
.pc
));
822 gdbarch
= get_objfile_arch (sal
.symtab
->objfile
);
823 sym
= find_pc_function (sal
.pc
);
825 printf_filtered ("%s is in %s (%s:%d).\n",
826 paddress (gdbarch
, sal
.pc
),
827 SYMBOL_PRINT_NAME (sym
),
828 symtab_to_filename_for_display (sal
.symtab
),
831 printf_filtered ("%s is at %s:%d.\n",
832 paddress (gdbarch
, sal
.pc
),
833 symtab_to_filename_for_display (sal
.symtab
),
837 /* If what was given does not imply a symtab, it must be an
838 undebuggable symbol which means no source code. */
841 error (_("No line number known for %s."), arg
);
844 if ((editor
= (char *) getenv ("EDITOR")) == NULL
)
847 fn
= symtab_to_fullname (sal
.symtab
);
849 /* Quote the file name, in case it has whitespace or other special
851 p
= xstrprintf ("%s +%d \"%s\"", editor
, sal
.line
, fn
);
852 shell_escape (p
, from_tty
);
857 list_command (char *arg
, int from_tty
)
859 struct symtabs_and_lines sals
, sals_end
;
860 struct symtab_and_line sal
= { 0 };
861 struct symtab_and_line sal_end
= { 0 };
862 struct symtab_and_line cursal
= { 0 };
871 /* Pull in the current default source line if necessary. */
872 if (arg
== 0 || arg
[0] == '+' || arg
[0] == '-')
874 set_default_source_symtab_and_line ();
875 cursal
= get_current_source_symtab_and_line ();
877 /* If this is the first "list" since we've set the current
878 source line, center the listing around that line. */
879 if (get_first_line_listed () == 0)
883 first
= max (cursal
.line
- get_lines_to_list () / 2, 1);
885 /* A small special case --- if listing backwards, and we
886 should list only one line, list the preceding line,
887 instead of the exact line we've just shown after e.g.,
888 stopping for a breakpoint. */
889 if (arg
!= NULL
&& arg
[0] == '-'
890 && get_lines_to_list () == 1 && first
> 1)
893 print_source_lines (cursal
.symtab
, first
,
894 first
+ get_lines_to_list (), 0);
899 /* "l" or "l +" lists next ten lines. */
901 if (arg
== 0 || strcmp (arg
, "+") == 0)
903 print_source_lines (cursal
.symtab
, cursal
.line
,
904 cursal
.line
+ get_lines_to_list (), 0);
908 /* "l -" lists previous ten lines, the ones before the ten just
910 if (strcmp (arg
, "-") == 0)
912 print_source_lines (cursal
.symtab
,
913 max (get_first_line_listed ()
914 - get_lines_to_list (), 1),
915 get_first_line_listed (), 0);
919 /* Now if there is only one argument, decode it in SAL
921 If there are two arguments, decode them in SAL and SAL_END
922 and clear NO_END; however, if one of the arguments is blank,
923 set DUMMY_BEG or DUMMY_END to record that fact. */
925 if (!have_full_symbols () && !have_partial_symbols ())
926 error (_("No symbol table is loaded. Use the \"file\" command."));
933 sals
= decode_line_1 (&arg1
, DECODE_LINE_LIST_MODE
, 0, 0);
940 ambiguous_line_spec (&sals
);
949 /* Record whether the BEG arg is all digits. */
951 for (p
= arg
; p
!= arg1
&& *p
>= '0' && *p
<= '9'; p
++);
952 linenum_beg
= (p
== arg1
);
954 while (*arg1
== ' ' || *arg1
== '\t')
960 while (*arg1
== ' ' || *arg1
== '\t')
967 sals_end
= decode_line_1 (&arg1
, DECODE_LINE_LIST_MODE
, 0, 0);
969 sals_end
= decode_line_1 (&arg1
, DECODE_LINE_LIST_MODE
,
970 sal
.symtab
, sal
.line
);
971 filter_sals (&sals_end
);
972 if (sals_end
.nelts
== 0)
974 if (sals_end
.nelts
> 1)
976 ambiguous_line_spec (&sals_end
);
977 xfree (sals_end
.sals
);
980 sal_end
= sals_end
.sals
[0];
981 xfree (sals_end
.sals
);
986 error (_("Junk at end of line specification."));
988 if (!no_end
&& !dummy_beg
&& !dummy_end
989 && sal
.symtab
!= sal_end
.symtab
)
990 error (_("Specified start and end are in different files."));
991 if (dummy_beg
&& dummy_end
)
992 error (_("Two empty args do not say what lines to list."));
994 /* If line was specified by address,
995 first print exactly which line, and which file.
997 In this case, sal.symtab == 0 means address is outside of all
998 known source files, not that user failed to give a filename. */
1001 struct gdbarch
*gdbarch
;
1003 if (sal
.symtab
== 0)
1004 error (_("No source file for address %s."),
1005 paddress (get_current_arch (), sal
.pc
));
1007 gdbarch
= get_objfile_arch (sal
.symtab
->objfile
);
1008 sym
= find_pc_function (sal
.pc
);
1010 printf_filtered ("%s is in %s (%s:%d).\n",
1011 paddress (gdbarch
, sal
.pc
),
1012 SYMBOL_PRINT_NAME (sym
),
1013 symtab_to_filename_for_display (sal
.symtab
), sal
.line
);
1015 printf_filtered ("%s is at %s:%d.\n",
1016 paddress (gdbarch
, sal
.pc
),
1017 symtab_to_filename_for_display (sal
.symtab
), sal
.line
);
1020 /* If line was not specified by just a line number, and it does not
1021 imply a symtab, it must be an undebuggable symbol which means no
1024 if (!linenum_beg
&& sal
.symtab
== 0)
1025 error (_("No line number known for %s."), arg
);
1027 /* If this command is repeated with RET,
1028 turn it into the no-arg variant. */
1033 if (dummy_beg
&& sal_end
.symtab
== 0)
1034 error (_("No default source file yet. Do \"help list\"."));
1036 print_source_lines (sal_end
.symtab
,
1037 max (sal_end
.line
- (get_lines_to_list () - 1), 1),
1038 sal_end
.line
+ 1, 0);
1039 else if (sal
.symtab
== 0)
1040 error (_("No default source file yet. Do \"help list\"."));
1043 int first_line
= sal
.line
- get_lines_to_list () / 2;
1045 if (first_line
< 1) first_line
= 1;
1047 print_source_lines (sal
.symtab
,
1049 first_line
+ get_lines_to_list (),
1053 print_source_lines (sal
.symtab
, sal
.line
,
1055 ? sal
.line
+ get_lines_to_list ()
1056 : sal_end
.line
+ 1),
1060 /* Subroutine of disassemble_command to simplify it.
1061 Perform the disassembly.
1062 NAME is the name of the function if known, or NULL.
1063 [LOW,HIGH) are the range of addresses to disassemble.
1064 MIXED is non-zero to print source with the assembler. */
1067 print_disassembly (struct gdbarch
*gdbarch
, const char *name
,
1068 CORE_ADDR low
, CORE_ADDR high
, int flags
)
1071 if (!tui_is_window_visible (DISASSEM_WIN
))
1074 printf_filtered ("Dump of assembler code ");
1076 printf_filtered ("for function %s:\n", name
);
1078 printf_filtered ("from %s to %s:\n",
1079 paddress (gdbarch
, low
), paddress (gdbarch
, high
));
1081 /* Dump the specified range. */
1082 gdb_disassembly (gdbarch
, current_uiout
, 0, flags
, -1, low
, high
);
1084 printf_filtered ("End of assembler dump.\n");
1085 gdb_flush (gdb_stdout
);
1090 tui_show_assembly (gdbarch
, low
);
1095 /* Subroutine of disassemble_command to simplify it.
1096 Print a disassembly of the current function according to FLAGS. */
1099 disassemble_current_function (int flags
)
1101 struct frame_info
*frame
;
1102 struct gdbarch
*gdbarch
;
1103 CORE_ADDR low
, high
, pc
;
1106 frame
= get_selected_frame (_("No frame selected."));
1107 gdbarch
= get_frame_arch (frame
);
1108 pc
= get_frame_address_in_block (frame
);
1109 if (find_pc_partial_function (pc
, &name
, &low
, &high
) == 0)
1110 error (_("No function contains program counter for selected frame."));
1112 /* NOTE: cagney/2003-02-13 The `tui_active' was previously
1115 /* FIXME: cagney/2004-02-07: This should be an observer. */
1116 low
= tui_get_low_disassembly_address (gdbarch
, low
, pc
);
1118 low
+= gdbarch_deprecated_function_start_offset (gdbarch
);
1120 print_disassembly (gdbarch
, name
, low
, high
, flags
);
1123 /* Dump a specified section of assembly code.
1127 - dump the assembly code for the function of the current pc
1128 disassemble [/mr] addr
1129 - dump the assembly code for the function at ADDR
1130 disassemble [/mr] low,high
1131 disassemble [/mr] low,+length
1132 - dump the assembly code in the range [LOW,HIGH), or [LOW,LOW+length)
1134 A /m modifier will include source code with the assembly.
1135 A /r modifier will include raw instructions in hex with the assembly. */
1138 disassemble_command (char *arg
, int from_tty
)
1140 struct gdbarch
*gdbarch
= get_current_arch ();
1141 CORE_ADDR low
, high
;
1156 error (_("Missing modifier."));
1158 while (*p
&& ! isspace (*p
))
1163 flags
|= DISASSEMBLY_SOURCE
;
1166 flags
|= DISASSEMBLY_RAW_INSN
;
1169 error (_("Invalid disassembly modifier."));
1173 p
= skip_spaces_const (p
);
1178 flags
|= DISASSEMBLY_OMIT_FNAME
;
1179 disassemble_current_function (flags
);
1183 pc
= value_as_address (parse_to_comma_and_eval (&p
));
1189 if (find_pc_partial_function (pc
, &name
, &low
, &high
) == 0)
1190 error (_("No function contains specified address."));
1192 /* NOTE: cagney/2003-02-13 The `tui_active' was previously
1195 /* FIXME: cagney/2004-02-07: This should be an observer. */
1196 low
= tui_get_low_disassembly_address (gdbarch
, low
, pc
);
1198 low
+= gdbarch_deprecated_function_start_offset (gdbarch
);
1199 flags
|= DISASSEMBLY_OMIT_FNAME
;
1203 /* Two arguments. */
1206 p
= skip_spaces_const (p
);
1212 high
= parse_and_eval_address (p
);
1217 print_disassembly (gdbarch
, name
, low
, high
, flags
);
1221 make_command (char *arg
, int from_tty
)
1229 p
= xmalloc (sizeof ("make ") + strlen (arg
));
1230 strcpy (p
, "make ");
1231 strcpy (p
+ sizeof ("make ") - 1, arg
);
1234 shell_escape (p
, from_tty
);
1238 show_user (char *args
, int from_tty
)
1240 struct cmd_list_element
*c
;
1241 extern struct cmd_list_element
*cmdlist
;
1245 const char *comname
= args
;
1247 c
= lookup_cmd (&comname
, cmdlist
, "", 0, 1);
1248 if (!cli_user_command_p (c
))
1249 error (_("Not a user command."));
1250 show_user_1 (c
, "", args
, gdb_stdout
);
1254 for (c
= cmdlist
; c
; c
= c
->next
)
1256 if (cli_user_command_p (c
) || c
->prefixlist
!= NULL
)
1257 show_user_1 (c
, "", c
->name
, gdb_stdout
);
1262 /* Search through names of commands and documentations for a certain
1263 regular expression. */
1266 apropos_command (char *searchstr
, int from_tty
)
1271 if (searchstr
== NULL
)
1272 error (_("REGEXP string is empty"));
1274 code
= regcomp (&pattern
, searchstr
, REG_ICASE
);
1277 struct cleanup
*cleanups
;
1279 cleanups
= make_regfree_cleanup (&pattern
);
1280 apropos_cmd (gdb_stdout
, cmdlist
, &pattern
, "");
1281 do_cleanups (cleanups
);
1285 char *err
= get_regcomp_error (code
, &pattern
);
1287 make_cleanup (xfree
, err
);
1288 error (_("Error in regular expression: %s"), err
);
1292 /* Subroutine of alias_command to simplify it.
1293 Return the first N elements of ARGV flattened back to a string
1294 with a space separating each element.
1295 ARGV may not be NULL.
1296 This does not take care of quoting elements in case they contain spaces
1300 argv_to_dyn_string (char **argv
, int n
)
1303 dyn_string_t result
= dyn_string_new (10);
1305 gdb_assert (argv
!= NULL
);
1306 gdb_assert (n
>= 0 && n
<= countargv (argv
));
1308 for (i
= 0; i
< n
; ++i
)
1311 dyn_string_append_char (result
, ' ');
1312 dyn_string_append_cstr (result
, argv
[i
]);
1318 /* Subroutine of alias_command to simplify it.
1319 Return TRUE if COMMAND exists, unambiguously. Otherwise FALSE. */
1322 valid_command_p (const char *command
)
1324 struct cmd_list_element
*c
;
1326 c
= lookup_cmd_1 (& command
, cmdlist
, NULL
, 1);
1328 if (c
== NULL
|| c
== (struct cmd_list_element
*) -1)
1331 /* This is the slightly tricky part.
1332 lookup_cmd_1 will return a pointer to the last part of COMMAND
1333 to match, leaving COMMAND pointing at the remainder. */
1334 while (*command
== ' ' || *command
== '\t')
1336 return *command
== '\0';
1339 /* Make an alias of an existing command. */
1342 alias_command (char *args
, int from_tty
)
1344 int i
, alias_argc
, command_argc
;
1345 int abbrev_flag
= 0;
1346 char *args2
, *equals
, *alias
, *command
;
1347 char **alias_argv
, **command_argv
;
1348 dyn_string_t alias_dyn_string
, command_dyn_string
;
1349 struct cleanup
*cleanup
;
1350 static const char usage
[] = N_("Usage: alias [-a] [--] ALIAS = COMMAND");
1352 if (args
== NULL
|| strchr (args
, '=') == NULL
)
1355 args2
= xstrdup (args
);
1356 cleanup
= make_cleanup (xfree
, args2
);
1357 equals
= strchr (args2
, '=');
1359 alias_argv
= gdb_buildargv (args2
);
1360 make_cleanup_freeargv (alias_argv
);
1361 command_argv
= gdb_buildargv (equals
+ 1);
1362 make_cleanup_freeargv (command_argv
);
1364 for (i
= 0; alias_argv
[i
] != NULL
; )
1366 if (strcmp (alias_argv
[i
], "-a") == 0)
1371 else if (strcmp (alias_argv
[i
], "--") == 0)
1380 if (alias_argv
[0] == NULL
|| command_argv
[0] == NULL
1381 || *alias_argv
[0] == '\0' || *command_argv
[0] == '\0')
1384 for (i
= 0; alias_argv
[i
] != NULL
; ++i
)
1386 if (! valid_user_defined_cmd_name_p (alias_argv
[i
]))
1389 error (_("Invalid command name: %s"), alias_argv
[i
]);
1391 error (_("Invalid command element name: %s"), alias_argv
[i
]);
1395 alias_argc
= countargv (alias_argv
);
1396 command_argc
= countargv (command_argv
);
1398 /* COMMAND must exist.
1399 Reconstruct the command to remove any extraneous spaces,
1400 for better error messages. */
1401 command_dyn_string
= argv_to_dyn_string (command_argv
, command_argc
);
1402 make_cleanup_dyn_string_delete (command_dyn_string
);
1403 command
= dyn_string_buf (command_dyn_string
);
1404 if (! valid_command_p (command
))
1405 error (_("Invalid command to alias to: %s"), command
);
1407 /* ALIAS must not exist. */
1408 alias_dyn_string
= argv_to_dyn_string (alias_argv
, alias_argc
);
1409 make_cleanup_dyn_string_delete (alias_dyn_string
);
1410 alias
= dyn_string_buf (alias_dyn_string
);
1411 if (valid_command_p (alias
))
1412 error (_("Alias already exists: %s"), alias
);
1414 /* If ALIAS is one word, it is an alias for the entire COMMAND.
1415 Example: alias spe = set print elements
1417 Otherwise ALIAS and COMMAND must have the same number of words,
1418 and every word except the last must match; and the last word of
1419 ALIAS is made an alias of the last word of COMMAND.
1420 Example: alias set print elms = set pr elem
1421 Note that unambiguous abbreviations are allowed. */
1423 if (alias_argc
== 1)
1425 /* add_cmd requires *we* allocate space for name, hence the xstrdup. */
1426 add_com_alias (xstrdup (alias_argv
[0]), command
, class_alias
,
1431 dyn_string_t alias_prefix_dyn_string
, command_prefix_dyn_string
;
1432 const char *alias_prefix
, *command_prefix
;
1433 struct cmd_list_element
*c_alias
, *c_command
;
1435 if (alias_argc
!= command_argc
)
1436 error (_("Mismatched command length between ALIAS and COMMAND."));
1438 /* Create copies of ALIAS and COMMAND without the last word,
1439 and use that to verify the leading elements match. */
1440 alias_prefix_dyn_string
=
1441 argv_to_dyn_string (alias_argv
, alias_argc
- 1);
1442 make_cleanup_dyn_string_delete (alias_prefix_dyn_string
);
1443 command_prefix_dyn_string
=
1444 argv_to_dyn_string (alias_argv
, command_argc
- 1);
1445 make_cleanup_dyn_string_delete (command_prefix_dyn_string
);
1446 alias_prefix
= dyn_string_buf (alias_prefix_dyn_string
);
1447 command_prefix
= dyn_string_buf (command_prefix_dyn_string
);
1449 c_command
= lookup_cmd_1 (& command_prefix
, cmdlist
, NULL
, 1);
1450 /* We've already tried to look up COMMAND. */
1451 gdb_assert (c_command
!= NULL
1452 && c_command
!= (struct cmd_list_element
*) -1);
1453 gdb_assert (c_command
->prefixlist
!= NULL
);
1454 c_alias
= lookup_cmd_1 (& alias_prefix
, cmdlist
, NULL
, 1);
1455 if (c_alias
!= c_command
)
1456 error (_("ALIAS and COMMAND prefixes do not match."));
1458 /* add_cmd requires *we* allocate space for name, hence the xstrdup. */
1459 add_alias_cmd (xstrdup (alias_argv
[alias_argc
- 1]),
1460 command_argv
[command_argc
- 1],
1461 class_alias
, abbrev_flag
, c_command
->prefixlist
);
1464 do_cleanups (cleanup
);
1467 /* Print a list of files and line numbers which a user may choose from
1468 in order to list a function which was specified ambiguously (as
1469 with `list classname::overloadedfuncname', for example). The
1470 vector in SALS provides the filenames and line numbers. */
1473 ambiguous_line_spec (struct symtabs_and_lines
*sals
)
1477 for (i
= 0; i
< sals
->nelts
; ++i
)
1478 printf_filtered (_("file: \"%s\", line number: %d\n"),
1479 symtab_to_filename_for_display (sals
->sals
[i
].symtab
),
1480 sals
->sals
[i
].line
);
1483 /* Sort function for filter_sals. */
1486 compare_symtabs (const void *a
, const void *b
)
1488 const struct symtab_and_line
*sala
= a
;
1489 const struct symtab_and_line
*salb
= b
;
1492 if (!sala
->symtab
->dirname
)
1494 if (salb
->symtab
->dirname
)
1497 else if (!salb
->symtab
->dirname
)
1499 if (sala
->symtab
->dirname
)
1504 r
= filename_cmp (sala
->symtab
->dirname
, salb
->symtab
->dirname
);
1509 r
= filename_cmp (sala
->symtab
->filename
, salb
->symtab
->filename
);
1513 if (sala
->line
< salb
->line
)
1515 return sala
->line
== salb
->line
? 0 : 1;
1518 /* Remove any SALs that do not match the current program space, or
1519 which appear to be "file:line" duplicates. */
1522 filter_sals (struct symtabs_and_lines
*sals
)
1527 for (i
= 0; i
< sals
->nelts
; ++i
)
1529 if (sals
->sals
[i
].pspace
== current_program_space
1530 && sals
->sals
[i
].symtab
!= NULL
)
1532 sals
->sals
[out
] = sals
->sals
[i
];
1538 qsort (sals
->sals
, sals
->nelts
, sizeof (struct symtab_and_line
),
1543 for (i
= 1; i
< sals
->nelts
; ++i
)
1545 if (compare_symtabs (&sals
->sals
[prev
], &sals
->sals
[i
]))
1547 /* Symtabs differ. */
1548 sals
->sals
[out
] = sals
->sals
[i
];
1554 if (sals
->nelts
== 0)
1564 set_debug (char *arg
, int from_tty
)
1566 printf_unfiltered (_("\"set debug\" must be followed by "
1567 "the name of a debug subcommand.\n"));
1568 help_list (setdebuglist
, "set debug ", all_commands
, gdb_stdout
);
1572 show_debug (char *args
, int from_tty
)
1574 cmd_show_list (showdebuglist
, from_tty
, "");
1578 init_cmd_lists (void)
1580 max_user_call_depth
= 1024;
1584 show_info_verbose (struct ui_file
*file
, int from_tty
,
1585 struct cmd_list_element
*c
,
1589 fprintf_filtered (file
,
1590 _("Verbose printing of informational messages is %s.\n"),
1593 fprintf_filtered (file
, _("Verbosity is %s.\n"), value
);
1597 show_history_expansion_p (struct ui_file
*file
, int from_tty
,
1598 struct cmd_list_element
*c
, const char *value
)
1600 fprintf_filtered (file
, _("History expansion on command input is %s.\n"),
1605 show_remote_debug (struct ui_file
*file
, int from_tty
,
1606 struct cmd_list_element
*c
, const char *value
)
1608 fprintf_filtered (file
, _("Debugging of remote protocol is %s.\n"),
1613 show_remote_timeout (struct ui_file
*file
, int from_tty
,
1614 struct cmd_list_element
*c
, const char *value
)
1616 fprintf_filtered (file
,
1617 _("Timeout limit to wait for target to respond is %s.\n"),
1622 show_max_user_call_depth (struct ui_file
*file
, int from_tty
,
1623 struct cmd_list_element
*c
, const char *value
)
1625 fprintf_filtered (file
,
1626 _("The max call depth for user-defined commands is %s.\n"),
1632 initialize_file_ftype _initialize_cli_cmds
;
1635 _initialize_cli_cmds (void)
1637 struct cmd_list_element
*c
;
1639 /* Define the classes of commands.
1640 They will appear in the help list in alphabetical order. */
1642 add_cmd ("internals", class_maintenance
, NULL
, _("\
1643 Maintenance commands.\n\
1644 Some gdb commands are provided just for use by gdb maintainers.\n\
1645 These commands are subject to frequent change, and may not be as\n\
1646 well documented as user commands."),
1648 add_cmd ("obscure", class_obscure
, NULL
, _("Obscure features."), &cmdlist
);
1649 add_cmd ("aliases", class_alias
, NULL
,
1650 _("Aliases of other commands."), &cmdlist
);
1651 add_cmd ("user-defined", class_user
, NULL
, _("\
1652 User-defined commands.\n\
1653 The commands in this class are those defined by the user.\n\
1654 Use the \"define\" command to define a command."), &cmdlist
);
1655 add_cmd ("support", class_support
, NULL
, _("Support facilities."), &cmdlist
);
1657 add_cmd ("status", class_info
, NULL
, _("Status inquiries."), &cmdlist
);
1658 add_cmd ("files", class_files
, NULL
, _("Specifying and examining files."),
1660 add_cmd ("breakpoints", class_breakpoint
, NULL
,
1661 _("Making program stop at certain points."), &cmdlist
);
1662 add_cmd ("data", class_vars
, NULL
, _("Examining data."), &cmdlist
);
1663 add_cmd ("stack", class_stack
, NULL
, _("\
1664 Examining the stack.\n\
1665 The stack is made up of stack frames. Gdb assigns numbers to stack frames\n\
1666 counting from zero for the innermost (currently executing) frame.\n\n\
1667 At any time gdb identifies one frame as the \"selected\" frame.\n\
1668 Variable lookups are done with respect to the selected frame.\n\
1669 When the program being debugged stops, gdb selects the innermost frame.\n\
1670 The commands below can be used to select other frames by number or address."),
1672 add_cmd ("running", class_run
, NULL
, _("Running the program."), &cmdlist
);
1674 /* Define general commands. */
1676 add_com ("pwd", class_files
, pwd_command
, _("\
1677 Print working directory. This is used for your program as well."));
1679 c
= add_cmd ("cd", class_files
, cd_command
, _("\
1680 Set working directory to DIR for debugger and program being debugged.\n\
1681 The change does not take effect for the program being debugged\n\
1682 until the next time it is started."), &cmdlist
);
1683 set_cmd_completer (c
, filename_completer
);
1685 add_com ("echo", class_support
, echo_command
, _("\
1686 Print a constant string. Give string as argument.\n\
1687 C escape sequences may be used in the argument.\n\
1688 No newline is added at the end of the argument;\n\
1689 use \"\\n\" if you want a newline to be printed.\n\
1690 Since leading and trailing whitespace are ignored in command arguments,\n\
1691 if you want to print some you must use \"\\\" before leading whitespace\n\
1692 to be printed or after trailing whitespace."));
1694 add_setshow_enum_cmd ("script-extension", class_support
,
1695 script_ext_enums
, &script_ext_mode
, _("\
1696 Set mode for script filename extension recognition."), _("\
1697 Show mode for script filename extension recognition."), _("\
1698 off == no filename extension recognition (all sourced files are GDB scripts)\n\
1699 soft == evaluate script according to filename extension, fallback to GDB script"
1701 strict == evaluate script according to filename extension, error if not supported"
1704 show_script_ext_mode
,
1705 &setlist
, &showlist
);
1707 add_com ("quit", class_support
, quit_command
, _("\
1709 Usage: quit [EXPR]\n\
1710 The optional expression EXPR, if present, is evaluated and the result\n\
1711 used as GDB's exit code. The default is zero."));
1712 c
= add_com ("help", class_support
, help_command
,
1713 _("Print list of commands."));
1714 set_cmd_completer (c
, command_completer
);
1715 add_com_alias ("q", "quit", class_support
, 1);
1716 add_com_alias ("h", "help", class_support
, 1);
1718 add_setshow_boolean_cmd ("verbose", class_support
, &info_verbose
, _("\
1719 Set verbosity."), _("\
1720 Show verbosity."), NULL
,
1723 &setlist
, &showlist
);
1725 add_prefix_cmd ("history", class_support
, set_history
,
1726 _("Generic command for setting command history parameters."),
1727 &sethistlist
, "set history ", 0, &setlist
);
1728 add_prefix_cmd ("history", class_support
, show_history
,
1729 _("Generic command for showing command history parameters."),
1730 &showhistlist
, "show history ", 0, &showlist
);
1732 add_setshow_boolean_cmd ("expansion", no_class
, &history_expansion_p
, _("\
1733 Set history expansion on command input."), _("\
1734 Show history expansion on command input."), _("\
1735 Without an argument, history expansion is enabled."),
1737 show_history_expansion_p
,
1738 &sethistlist
, &showhistlist
);
1740 add_prefix_cmd ("info", class_info
, info_command
, _("\
1741 Generic command for showing things about the program being debugged."),
1742 &infolist
, "info ", 0, &cmdlist
);
1743 add_com_alias ("i", "info", class_info
, 1);
1744 add_com_alias ("inf", "info", class_info
, 1);
1746 add_com ("complete", class_obscure
, complete_command
,
1747 _("List the completions for the rest of the line as a command."));
1749 add_prefix_cmd ("show", class_info
, show_command
, _("\
1750 Generic command for showing things about the debugger."),
1751 &showlist
, "show ", 0, &cmdlist
);
1752 /* Another way to get at the same thing. */
1753 add_info ("set", show_command
, _("Show all GDB settings."));
1755 add_cmd ("commands", no_set_class
, show_commands
, _("\
1756 Show the history of commands you typed.\n\
1757 You can supply a command number to start with, or a `+' to start after\n\
1758 the previous command number shown."),
1761 add_cmd ("version", no_set_class
, show_version
,
1762 _("Show what version of GDB this is."), &showlist
);
1764 add_cmd ("configuration", no_set_class
, show_configuration
,
1765 _("Show how GDB was configured at build time."), &showlist
);
1767 add_setshow_zinteger_cmd ("remote", no_class
, &remote_debug
, _("\
1768 Set debugging of remote protocol."), _("\
1769 Show debugging of remote protocol."), _("\
1770 When enabled, each packet sent or received with the remote target\n\
1774 &setdebuglist
, &showdebuglist
);
1776 add_setshow_zuinteger_unlimited_cmd ("remotetimeout", no_class
,
1777 &remote_timeout
, _("\
1778 Set timeout limit to wait for target to respond."), _("\
1779 Show timeout limit to wait for target to respond."), _("\
1780 This value is used to set the time limit for gdb to wait for a response\n\
1783 show_remote_timeout
,
1784 &setlist
, &showlist
);
1786 add_prefix_cmd ("debug", no_class
, set_debug
,
1787 _("Generic command for setting gdb debugging flags"),
1788 &setdebuglist
, "set debug ", 0, &setlist
);
1790 add_prefix_cmd ("debug", no_class
, show_debug
,
1791 _("Generic command for showing gdb debugging flags"),
1792 &showdebuglist
, "show debug ", 0, &showlist
);
1794 c
= add_com ("shell", class_support
, shell_escape
, _("\
1795 Execute the rest of the line as a shell command.\n\
1796 With no arguments, run an inferior shell."));
1797 set_cmd_completer (c
, filename_completer
);
1799 c
= add_com ("edit", class_files
, edit_command
, _("\
1800 Edit specified file or function.\n\
1801 With no argument, edits file containing most recent line listed.\n\
1802 Editing targets can be specified in these ways:\n\
1803 FILE:LINENUM, to edit at that line in that file,\n\
1804 FUNCTION, to edit at the beginning of that function,\n\
1805 FILE:FUNCTION, to distinguish among like-named static functions.\n\
1806 *ADDRESS, to edit at the line containing that address.\n\
1807 Uses EDITOR environment variable contents as editor (or ex as default)."));
1809 c
->completer
= location_completer
;
1811 add_com ("list", class_files
, list_command
, _("\
1812 List specified function or line.\n\
1813 With no argument, lists ten more lines after or around previous listing.\n\
1814 \"list -\" lists the ten lines before a previous ten-line listing.\n\
1815 One argument specifies a line, and ten lines are listed around that line.\n\
1816 Two arguments with comma between specify starting and ending lines to list.\n\
1817 Lines can be specified in these ways:\n\
1818 LINENUM, to list around that line in current file,\n\
1819 FILE:LINENUM, to list around that line in that file,\n\
1820 FUNCTION, to list around beginning of that function,\n\
1821 FILE:FUNCTION, to distinguish among like-named static functions.\n\
1822 *ADDRESS, to list around the line containing that address.\n\
1823 With two args if one is empty it stands for ten lines away from \
1827 add_com_alias ("l", "list", class_files
, 1);
1829 add_com_alias ("v", "list", class_files
, 1);
1832 add_com_alias ("file", "list", class_files
, 1);
1834 c
= add_com ("disassemble", class_vars
, disassemble_command
, _("\
1835 Disassemble a specified section of memory.\n\
1836 Default is the function surrounding the pc of the selected frame.\n\
1837 With a /m modifier, source lines are included (if available).\n\
1838 With a /r modifier, raw instructions in hex are included.\n\
1839 With a single argument, the function surrounding that address is dumped.\n\
1840 Two arguments (separated by a comma) are taken as a range of memory to dump,\n\
1841 in the form of \"start,end\", or \"start,+length\".\n\
1843 Note that the address is interpreted as an expression, not as a location\n\
1844 like in the \"break\" command.\n\
1845 So, for example, if you want to disassemble function bar in file foo.c\n\
1846 you must type \"disassemble 'foo.c'::bar\" and not \"disassemble foo.c:bar\"."));
1847 set_cmd_completer (c
, location_completer
);
1849 add_com_alias ("va", "disassemble", class_xdb
, 0);
1851 add_com_alias ("!", "shell", class_support
, 0);
1853 c
= add_com ("make", class_support
, make_command
, _("\
1854 Run the ``make'' program using the rest of the line as arguments."));
1855 set_cmd_completer (c
, filename_completer
);
1856 add_cmd ("user", no_class
, show_user
, _("\
1857 Show definitions of non-python/scheme user defined commands.\n\
1858 Argument is the name of the user defined command.\n\
1859 With no argument, show definitions of all user defined commands."), &showlist
);
1860 add_com ("apropos", class_support
, apropos_command
,
1861 _("Search for commands matching a REGEXP"));
1863 add_setshow_uinteger_cmd ("max-user-call-depth", no_class
,
1864 &max_user_call_depth
, _("\
1865 Set the max call depth for non-python/scheme user-defined commands."), _("\
1866 Show the max call depth for non-python/scheme user-defined commands."), NULL
,
1868 show_max_user_call_depth
,
1869 &setlist
, &showlist
);
1871 add_setshow_boolean_cmd ("trace-commands", no_class
, &trace_commands
, _("\
1872 Set tracing of GDB CLI commands."), _("\
1873 Show state of GDB CLI command tracing."), _("\
1874 When 'on', each command is displayed as it is executed."),
1877 &setlist
, &showlist
);
1879 c
= add_com ("alias", class_support
, alias_command
, _("\
1880 Define a new command that is an alias of an existing command.\n\
1881 Usage: alias [-a] [--] ALIAS = COMMAND\n\
1882 ALIAS is the name of the alias command to create.\n\
1883 COMMAND is the command being aliased to.\n\
1884 If \"-a\" is specified, the command is an abbreviation,\n\
1885 and will not appear in help command list output.\n\
1888 Make \"spe\" an alias of \"set print elements\":\n\
1889 alias spe = set print elements\n\
1890 Make \"elms\" an alias of \"elements\" in the \"set print\" command:\n\
1891 alias -a set print elms = set print elements"));
1895 init_cli_cmds (void)
1897 struct cmd_list_element
*c
;
1898 char *source_help_text
;
1900 source_help_text
= xstrprintf (_("\
1901 Read commands from a file named FILE.\n\
1903 Usage: source [-s] [-v] FILE\n\
1904 -s: search for the script in the source search path,\n\
1905 even if FILE contains directories.\n\
1906 -v: each command in FILE is echoed as it is executed.\n\
1908 Note that the file \"%s\" is read automatically in this way\n\
1909 when GDB is started."), gdbinit
);
1910 c
= add_cmd ("source", class_support
, source_command
,
1911 source_help_text
, &cmdlist
);
1912 set_cmd_completer (c
, filename_completer
);