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 "arch-utils.h"
22 #include "dyn-string.h"
23 #include "readline/readline.h"
24 #include "readline/tilde.h"
25 #include "completer.h"
26 #include "target.h" /* For baud_rate, remote_debug and remote_timeout. */
27 #include "gdb_wait.h" /* For shell escape implementation. */
28 #include "gdb_regex.h" /* Used by apropos_command. */
29 #include "gdb_vfork.h"
31 #include "expression.h"
35 #include "filenames.h" /* For DOSish file names. */
39 #include "tracepoint.h"
40 #include "filestuff.h"
45 #include "cli/cli-decode.h"
46 #include "cli/cli-script.h"
47 #include "cli/cli-setshow.h"
48 #include "cli/cli-cmds.h"
49 #include "cli/cli-utils.h"
51 #include "extension.h"
54 #include "tui/tui.h" /* For tui_active et.al. */
59 /* Prototypes for local command functions */
61 static void complete_command (char *, int);
63 static void echo_command (char *, int);
65 static void pwd_command (char *, int);
67 static void show_version (char *, int);
69 static void help_command (char *, int);
71 static void show_command (char *, int);
73 static void info_command (char *, int);
75 static void show_debug (char *, int);
77 static void set_debug (char *, int);
79 static void show_user (char *, int);
81 static void make_command (char *, int);
83 static void shell_escape (char *, int);
85 static void edit_command (char *, int);
87 static void list_command (char *, int);
89 /* Prototypes for local utility functions */
91 static void ambiguous_line_spec (struct symtabs_and_lines
*);
93 static void filter_sals (struct symtabs_and_lines
*);
96 /* Limit the call depth of user-defined commands */
97 unsigned int max_user_call_depth
;
99 /* Define all cmd_list_elements. */
101 /* Chain containing all defined commands. */
103 struct cmd_list_element
*cmdlist
;
105 /* Chain containing all defined info subcommands. */
107 struct cmd_list_element
*infolist
;
109 /* Chain containing all defined enable subcommands. */
111 struct cmd_list_element
*enablelist
;
113 /* Chain containing all defined disable subcommands. */
115 struct cmd_list_element
*disablelist
;
117 /* Chain containing all defined stop subcommands. */
119 struct cmd_list_element
*stoplist
;
121 /* Chain containing all defined delete subcommands. */
123 struct cmd_list_element
*deletelist
;
125 /* Chain containing all defined detach subcommands. */
127 struct cmd_list_element
*detachlist
;
129 /* Chain containing all defined kill subcommands. */
131 struct cmd_list_element
*killlist
;
133 /* Chain containing all defined set subcommands */
135 struct cmd_list_element
*setlist
;
137 /* Chain containing all defined unset subcommands */
139 struct cmd_list_element
*unsetlist
;
141 /* Chain containing all defined show subcommands. */
143 struct cmd_list_element
*showlist
;
145 /* Chain containing all defined \"set history\". */
147 struct cmd_list_element
*sethistlist
;
149 /* Chain containing all defined \"show history\". */
151 struct cmd_list_element
*showhistlist
;
153 /* Chain containing all defined \"unset history\". */
155 struct cmd_list_element
*unsethistlist
;
157 /* Chain containing all defined maintenance subcommands. */
159 struct cmd_list_element
*maintenancelist
;
161 /* Chain containing all defined "maintenance info" subcommands. */
163 struct cmd_list_element
*maintenanceinfolist
;
165 /* Chain containing all defined "maintenance print" subcommands. */
167 struct cmd_list_element
*maintenanceprintlist
;
169 struct cmd_list_element
*setprintlist
;
171 struct cmd_list_element
*showprintlist
;
173 struct cmd_list_element
*setdebuglist
;
175 struct cmd_list_element
*showdebuglist
;
177 struct cmd_list_element
*setchecklist
;
179 struct cmd_list_element
*showchecklist
;
181 /* Command tracing state. */
183 int source_verbose
= 0;
184 int trace_commands
= 0;
186 /* 'script-extension' option support. */
188 static const char script_ext_off
[] = "off";
189 static const char script_ext_soft
[] = "soft";
190 static const char script_ext_strict
[] = "strict";
192 static const char *const script_ext_enums
[] = {
199 static const char *script_ext_mode
= script_ext_soft
;
201 /* Utility used everywhere when at least one argument is needed and
205 error_no_arg (const char *why
)
207 error (_("Argument required (%s)."), why
);
210 /* The "info" command is defined as a prefix, with allow_unknown = 0.
211 Therefore, its own definition is called only for "info" with no
215 info_command (char *arg
, int from_tty
)
217 printf_unfiltered (_("\"info\" must be followed by "
218 "the name of an info command.\n"));
219 help_list (infolist
, "info ", all_commands
, gdb_stdout
);
222 /* The "show" command with no arguments shows all the settings. */
225 show_command (char *arg
, int from_tty
)
227 cmd_show_list (showlist
, from_tty
, "");
230 /* Provide documentation on command or list given by COMMAND. FROM_TTY
234 help_command (char *command
, int from_tty
)
236 help_cmd (command
, gdb_stdout
);
239 /* The "complete" command is used by Emacs to implement completion. */
242 complete_command (char *arg
, int from_tty
)
245 char *point
, *arg_prefix
;
246 VEC (char_ptr
) *completions
;
252 argpoint
= strlen (arg
);
254 /* complete_line assumes that its first argument is somewhere
255 within, and except for filenames at the beginning of, the word to
256 be completed. The following crude imitation of readline's
257 word-breaking tries to accomodate this. */
258 point
= arg
+ argpoint
;
261 if (strchr (rl_completer_word_break_characters
, point
[-1]) != 0)
266 arg_prefix
= alloca (point
- arg
+ 1);
267 memcpy (arg_prefix
, arg
, point
- arg
);
268 arg_prefix
[point
- arg
] = 0;
270 completions
= complete_line (point
, arg
, argpoint
);
274 int ix
, size
= VEC_length (char_ptr
, completions
);
275 char *item
, *prev
= NULL
;
277 qsort (VEC_address (char_ptr
, completions
), size
,
278 sizeof (char *), compare_strings
);
280 /* We do extra processing here since we only want to print each
282 for (ix
= 0; VEC_iterate (char_ptr
, completions
, ix
, item
); ++ix
)
284 if (prev
== NULL
|| strcmp (item
, prev
) != 0)
286 printf_unfiltered ("%s%s\n", arg_prefix
, item
);
295 VEC_free (char_ptr
, completions
);
300 is_complete_command (struct cmd_list_element
*c
)
302 return cmd_cfunc_eq (c
, complete_command
);
306 show_version (char *args
, int from_tty
)
308 print_gdb_version (gdb_stdout
);
309 printf_filtered ("\n");
313 show_configuration (char *args
, int from_tty
)
315 print_gdb_configuration (gdb_stdout
);
318 /* Handle the quit command. */
321 quit_command (char *args
, int from_tty
)
323 if (!quit_confirm ())
324 error (_("Not confirmed."));
326 query_if_trace_running (from_tty
);
328 quit_force (args
, from_tty
);
332 pwd_command (char *args
, int from_tty
)
335 error (_("The \"pwd\" command does not take an argument: %s"), args
);
336 if (! getcwd (gdb_dirbuf
, sizeof (gdb_dirbuf
)))
337 error (_("Error finding name of working directory: %s"),
338 safe_strerror (errno
));
340 if (strcmp (gdb_dirbuf
, current_directory
) != 0)
341 printf_unfiltered (_("Working directory %s\n (canonically %s).\n"),
342 current_directory
, gdb_dirbuf
);
344 printf_unfiltered (_("Working directory %s.\n"), current_directory
);
348 cd_command (char *dir
, int from_tty
)
351 /* Found something other than leading repetitions of "/..". */
354 struct cleanup
*cleanup
;
356 /* If the new directory is absolute, repeat is a no-op; if relative,
357 repeat might be useful but is more likely to be a mistake. */
363 dir
= tilde_expand (dir
);
364 cleanup
= make_cleanup (xfree
, dir
);
367 perror_with_name (dir
);
369 #ifdef HAVE_DOS_BASED_FILE_SYSTEM
370 /* There's too much mess with DOSish names like "d:", "d:.",
371 "d:./foo" etc. Instead of having lots of special #ifdef'ed code,
372 simply get the canonicalized name of the current directory. */
373 dir
= getcwd (gdb_dirbuf
, sizeof (gdb_dirbuf
));
377 if (IS_DIR_SEPARATOR (dir
[len
- 1]))
379 /* Remove the trailing slash unless this is a root directory
380 (including a drive letter on non-Unix systems). */
381 if (!(len
== 1) /* "/" */
382 #ifdef HAVE_DOS_BASED_FILE_SYSTEM
383 && !(len
== 3 && dir
[1] == ':') /* "d:/" */
389 dir
= savestring (dir
, len
);
390 if (IS_ABSOLUTE_PATH (dir
))
391 current_directory
= dir
;
394 if (IS_DIR_SEPARATOR (current_directory
[strlen (current_directory
) - 1]))
395 current_directory
= concat (current_directory
, dir
, (char *)NULL
);
397 current_directory
= concat (current_directory
, SLASH_STRING
,
402 /* Now simplify any occurrences of `.' and `..' in the pathname. */
405 for (p
= current_directory
; *p
;)
407 if (IS_DIR_SEPARATOR (p
[0]) && p
[1] == '.'
408 && (p
[2] == 0 || IS_DIR_SEPARATOR (p
[2])))
409 memmove (p
, p
+ 2, strlen (p
+ 2) + 1);
410 else if (IS_DIR_SEPARATOR (p
[0]) && p
[1] == '.' && p
[2] == '.'
411 && (p
[3] == 0 || IS_DIR_SEPARATOR (p
[3])))
415 /* Search backwards for the directory just before the "/.."
416 and obliterate it and the "/..". */
419 while (q
!= current_directory
&& !IS_DIR_SEPARATOR (q
[-1]))
422 if (q
== current_directory
)
423 /* current_directory is
424 a relative pathname ("can't happen"--leave it alone). */
428 memmove (q
- 1, p
+ 3, strlen (p
+ 3) + 1);
433 /* We are dealing with leading repetitions of "/..", for
434 example "/../..", which is the Mach super-root. */
444 forget_cached_source_info ();
447 pwd_command ((char *) 0, 1);
449 do_cleanups (cleanup
);
452 /* Show the current value of the 'script-extension' option. */
455 show_script_ext_mode (struct ui_file
*file
, int from_tty
,
456 struct cmd_list_element
*c
, const char *value
)
458 fprintf_filtered (file
,
459 _("Script filename extension recognition is \"%s\".\n"),
463 /* Try to open SCRIPT_FILE.
464 If successful, the full path name is stored in *FULL_PATHP,
465 the stream is stored in *STREAMP, and return 1.
466 The caller is responsible for freeing *FULL_PATHP.
467 If not successful, return 0; errno is set for the last file
470 If SEARCH_PATH is non-zero, and the file isn't found in cwd,
471 search for it in the source search path. */
474 find_and_open_script (const char *script_file
, int search_path
,
475 FILE **streamp
, char **full_pathp
)
479 struct cleanup
*old_cleanups
;
480 int search_flags
= OPF_TRY_CWD_FIRST
| OPF_RETURN_REALPATH
;
482 file
= tilde_expand (script_file
);
483 old_cleanups
= make_cleanup (xfree
, file
);
486 search_flags
|= OPF_SEARCH_IN_PATH
;
488 /* Search for and open 'file' on the search path used for source
489 files. Put the full location in *FULL_PATHP. */
490 fd
= openp (source_path
, search_flags
,
491 file
, O_RDONLY
, full_pathp
);
495 int save_errno
= errno
;
496 do_cleanups (old_cleanups
);
501 do_cleanups (old_cleanups
);
503 *streamp
= fdopen (fd
, FOPEN_RT
);
504 if (*streamp
== NULL
)
506 int save_errno
= errno
;
518 /* Load script FILE, which has already been opened as STREAM. */
521 source_script_from_stream (FILE *stream
, const char *file
)
523 if (script_ext_mode
!= script_ext_off
)
525 const struct extension_language_defn
*extlang
526 = get_ext_lang_of_file (file
);
530 if (ext_lang_present_p (extlang
))
532 script_sourcer_func
*sourcer
533 = ext_lang_script_sourcer (extlang
);
535 gdb_assert (sourcer
!= NULL
);
536 sourcer (extlang
, stream
, file
);
539 else if (script_ext_mode
== script_ext_soft
)
541 /* Assume the file is a gdb script.
542 This is handled below. */
545 throw_ext_lang_unsupported (extlang
);
549 script_from_file (stream
, file
);
552 /* Worker to perform the "source" command.
554 If SEARCH_PATH is non-zero, and the file isn't found in cwd,
555 search for it in the source search path. */
558 source_script_with_search (const char *file
, int from_tty
, int search_path
)
562 struct cleanup
*old_cleanups
;
564 if (file
== NULL
|| *file
== 0)
565 error (_("source command requires file name of file to source."));
567 if (!find_and_open_script (file
, search_path
, &stream
, &full_path
))
569 /* The script wasn't found, or was otherwise inaccessible.
570 If the source command was invoked interactively, throw an
571 error. Otherwise (e.g. if it was invoked by a script),
572 just emit a warning, rather than cause an error. */
574 perror_with_name (file
);
577 perror_warning_with_name (file
);
582 old_cleanups
= make_cleanup (xfree
, full_path
);
583 make_cleanup_fclose (stream
);
584 /* The python support reopens the file, so we need to pass full_path here
585 in case the file was found on the search path. It's useful to do this
586 anyway so that error messages show the actual file used. But only do
587 this if we (may have) used search_path, as printing the full path in
588 errors for the non-search case can be more noise than signal. */
589 source_script_from_stream (stream
, search_path
? full_path
: file
);
590 do_cleanups (old_cleanups
);
593 /* Wrapper around source_script_with_search to export it to main.c
594 for use in loading .gdbinit scripts. */
597 source_script (const char *file
, int from_tty
)
599 source_script_with_search (file
, from_tty
, 0);
602 /* Return the source_verbose global variable to its previous state
603 on exit from the source command, by whatever means. */
605 source_verbose_cleanup (void *old_value
)
607 source_verbose
= *(int *)old_value
;
612 source_command (char *args
, int from_tty
)
614 struct cleanup
*old_cleanups
;
616 int *old_source_verbose
= xmalloc (sizeof(int));
619 *old_source_verbose
= source_verbose
;
620 old_cleanups
= make_cleanup (source_verbose_cleanup
,
623 /* -v causes the source command to run in verbose mode.
624 -s causes the file to be searched in the source search path,
625 even if the file name contains a '/'.
626 We still have to be able to handle filenames with spaces in a
627 backward compatible way, so buildargv is not appropriate. */
631 while (args
[0] != '\0')
633 /* Make sure leading white space does not break the
635 args
= skip_spaces (args
);
640 if (args
[1] == 'v' && isspace (args
[2]))
644 /* Skip passed -v. */
647 else if (args
[1] == 's' && isspace (args
[2]))
651 /* Skip passed -s. */
658 file
= skip_spaces (args
);
661 source_script_with_search (file
, from_tty
, search_path
);
663 do_cleanups (old_cleanups
);
668 echo_command (char *text
, int from_tty
)
670 const char *p
= text
;
674 while ((c
= *p
++) != '\0')
678 /* \ at end of argument is used after spaces
679 so they won't be lost. */
683 c
= parse_escape (get_current_arch (), &p
);
685 printf_filtered ("%c", c
);
688 printf_filtered ("%c", c
);
691 /* Force this output to appear now. */
693 gdb_flush (gdb_stdout
);
697 shell_escape (char *arg
, int from_tty
)
699 #if defined(CANT_FORK) || \
700 (!defined(HAVE_WORKING_VFORK) && !defined(HAVE_WORKING_FORK))
701 /* If ARG is NULL, they want an inferior shell, but `system' just
702 reports if the shell is available when passed a NULL arg. */
703 int rc
= system (arg
? arg
: "");
706 arg
= "inferior shell";
710 fprintf_unfiltered (gdb_stderr
, "Cannot execute %s: %s\n", arg
,
711 safe_strerror (errno
));
712 gdb_flush (gdb_stderr
);
716 fprintf_unfiltered (gdb_stderr
, "%s exited with status %d\n", arg
, rc
);
717 gdb_flush (gdb_stderr
);
720 /* Make sure to return to the directory GDB thinks it is, in case
721 the shell command we just ran changed it. */
722 chdir (current_directory
);
724 #else /* Can fork. */
727 if ((pid
= vfork ()) == 0)
729 const char *p
, *user_shell
;
733 if ((user_shell
= (char *) getenv ("SHELL")) == NULL
)
734 user_shell
= "/bin/sh";
736 /* Get the name of the shell for arg0. */
737 p
= lbasename (user_shell
);
740 execl (user_shell
, p
, (char *) 0);
742 execl (user_shell
, p
, "-c", arg
, (char *) 0);
744 fprintf_unfiltered (gdb_stderr
, "Cannot execute %s: %s\n", user_shell
,
745 safe_strerror (errno
));
746 gdb_flush (gdb_stderr
);
751 waitpid (pid
, &status
, 0);
753 error (_("Fork failed"));
754 #endif /* Can fork. */
758 edit_command (char *arg
, int from_tty
)
760 struct symtabs_and_lines sals
;
761 struct symtab_and_line sal
;
768 /* Pull in the current default source line if necessary. */
771 set_default_source_symtab_and_line ();
772 sal
= get_current_source_symtab_and_line ();
775 /* Bare "edit" edits file with present line. */
780 error (_("No default source file yet."));
781 sal
.line
+= get_lines_to_list () / 2;
785 /* Now should only be one argument -- decode it in SAL. */
788 sals
= decode_line_1 (&arg1
, DECODE_LINE_LIST_MODE
, 0, 0);
798 ambiguous_line_spec (&sals
);
807 error (_("Junk at end of line specification."));
809 /* If line was specified by address, first print exactly which
810 line, and which file. In this case, sal.symtab == 0 means
811 address is outside of all known source files, not that user
812 failed to give a filename. */
815 struct gdbarch
*gdbarch
;
818 error (_("No source file for address %s."),
819 paddress (get_current_arch (), sal
.pc
));
821 gdbarch
= get_objfile_arch (SYMTAB_OBJFILE (sal
.symtab
));
822 sym
= find_pc_function (sal
.pc
);
824 printf_filtered ("%s is in %s (%s:%d).\n",
825 paddress (gdbarch
, sal
.pc
),
826 SYMBOL_PRINT_NAME (sym
),
827 symtab_to_filename_for_display (sal
.symtab
),
830 printf_filtered ("%s is at %s:%d.\n",
831 paddress (gdbarch
, sal
.pc
),
832 symtab_to_filename_for_display (sal
.symtab
),
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 fn
= symtab_to_fullname (sal
.symtab
);
848 /* Quote the file name, in case it has whitespace or other special
850 p
= xstrprintf ("%s +%d \"%s\"", editor
, sal
.line
, fn
);
851 shell_escape (p
, from_tty
);
856 list_command (char *arg
, int from_tty
)
858 struct symtabs_and_lines sals
, sals_end
;
859 struct symtab_and_line sal
= { 0 };
860 struct symtab_and_line sal_end
= { 0 };
861 struct symtab_and_line cursal
= { 0 };
870 /* Pull in the current default source line if necessary. */
871 if (arg
== 0 || arg
[0] == '+' || arg
[0] == '-')
873 set_default_source_symtab_and_line ();
874 cursal
= get_current_source_symtab_and_line ();
876 /* If this is the first "list" since we've set the current
877 source line, center the listing around that line. */
878 if (get_first_line_listed () == 0)
882 first
= max (cursal
.line
- get_lines_to_list () / 2, 1);
884 /* A small special case --- if listing backwards, and we
885 should list only one line, list the preceding line,
886 instead of the exact line we've just shown after e.g.,
887 stopping for a breakpoint. */
888 if (arg
!= NULL
&& arg
[0] == '-'
889 && get_lines_to_list () == 1 && first
> 1)
892 print_source_lines (cursal
.symtab
, first
,
893 first
+ get_lines_to_list (), 0);
898 /* "l" or "l +" lists next ten lines. */
900 if (arg
== 0 || strcmp (arg
, "+") == 0)
902 print_source_lines (cursal
.symtab
, cursal
.line
,
903 cursal
.line
+ get_lines_to_list (), 0);
907 /* "l -" lists previous ten lines, the ones before the ten just
909 if (strcmp (arg
, "-") == 0)
911 print_source_lines (cursal
.symtab
,
912 max (get_first_line_listed ()
913 - get_lines_to_list (), 1),
914 get_first_line_listed (), 0);
918 /* Now if there is only one argument, decode it in SAL
920 If there are two arguments, decode them in SAL and SAL_END
921 and clear NO_END; however, if one of the arguments is blank,
922 set DUMMY_BEG or DUMMY_END to record that fact. */
924 if (!have_full_symbols () && !have_partial_symbols ())
925 error (_("No symbol table is loaded. Use the \"file\" command."));
932 sals
= decode_line_1 (&arg1
, DECODE_LINE_LIST_MODE
, 0, 0);
939 ambiguous_line_spec (&sals
);
948 /* Record whether the BEG arg is all digits. */
950 for (p
= arg
; p
!= arg1
&& *p
>= '0' && *p
<= '9'; p
++);
951 linenum_beg
= (p
== arg1
);
953 while (*arg1
== ' ' || *arg1
== '\t')
959 while (*arg1
== ' ' || *arg1
== '\t')
966 sals_end
= decode_line_1 (&arg1
, DECODE_LINE_LIST_MODE
, 0, 0);
968 sals_end
= decode_line_1 (&arg1
, DECODE_LINE_LIST_MODE
,
969 sal
.symtab
, sal
.line
);
970 filter_sals (&sals_end
);
971 if (sals_end
.nelts
== 0)
973 if (sals_end
.nelts
> 1)
975 ambiguous_line_spec (&sals_end
);
976 xfree (sals_end
.sals
);
979 sal_end
= sals_end
.sals
[0];
980 xfree (sals_end
.sals
);
985 error (_("Junk at end of line specification."));
987 if (!no_end
&& !dummy_beg
&& !dummy_end
988 && sal
.symtab
!= sal_end
.symtab
)
989 error (_("Specified start and end are in different files."));
990 if (dummy_beg
&& dummy_end
)
991 error (_("Two empty args do not say what lines to list."));
993 /* If line was specified by address,
994 first print exactly which line, and which file.
996 In this case, sal.symtab == 0 means address is outside of all
997 known source files, not that user failed to give a filename. */
1000 struct gdbarch
*gdbarch
;
1002 if (sal
.symtab
== 0)
1003 error (_("No source file for address %s."),
1004 paddress (get_current_arch (), sal
.pc
));
1006 gdbarch
= get_objfile_arch (SYMTAB_OBJFILE (sal
.symtab
));
1007 sym
= find_pc_function (sal
.pc
);
1009 printf_filtered ("%s is in %s (%s:%d).\n",
1010 paddress (gdbarch
, sal
.pc
),
1011 SYMBOL_PRINT_NAME (sym
),
1012 symtab_to_filename_for_display (sal
.symtab
), sal
.line
);
1014 printf_filtered ("%s is at %s:%d.\n",
1015 paddress (gdbarch
, sal
.pc
),
1016 symtab_to_filename_for_display (sal
.symtab
), sal
.line
);
1019 /* If line was not specified by just a line number, and it does not
1020 imply a symtab, it must be an undebuggable symbol which means no
1023 if (!linenum_beg
&& sal
.symtab
== 0)
1024 error (_("No line number known for %s."), arg
);
1026 /* If this command is repeated with RET,
1027 turn it into the no-arg variant. */
1032 if (dummy_beg
&& sal_end
.symtab
== 0)
1033 error (_("No default source file yet. Do \"help list\"."));
1035 print_source_lines (sal_end
.symtab
,
1036 max (sal_end
.line
- (get_lines_to_list () - 1), 1),
1037 sal_end
.line
+ 1, 0);
1038 else if (sal
.symtab
== 0)
1039 error (_("No default source file yet. Do \"help list\"."));
1042 int first_line
= sal
.line
- get_lines_to_list () / 2;
1044 if (first_line
< 1) first_line
= 1;
1046 print_source_lines (sal
.symtab
,
1048 first_line
+ get_lines_to_list (),
1052 print_source_lines (sal
.symtab
, sal
.line
,
1054 ? sal
.line
+ get_lines_to_list ()
1055 : sal_end
.line
+ 1),
1059 /* Subroutine of disassemble_command to simplify it.
1060 Perform the disassembly.
1061 NAME is the name of the function if known, or NULL.
1062 [LOW,HIGH) are the range of addresses to disassemble.
1063 MIXED is non-zero to print source with the assembler. */
1066 print_disassembly (struct gdbarch
*gdbarch
, const char *name
,
1067 CORE_ADDR low
, CORE_ADDR high
, int flags
)
1070 if (!tui_is_window_visible (DISASSEM_WIN
))
1073 printf_filtered ("Dump of assembler code ");
1075 printf_filtered ("for function %s:\n", name
);
1077 printf_filtered ("from %s to %s:\n",
1078 paddress (gdbarch
, low
), paddress (gdbarch
, high
));
1080 /* Dump the specified range. */
1081 gdb_disassembly (gdbarch
, current_uiout
, 0, flags
, -1, low
, high
);
1083 printf_filtered ("End of assembler dump.\n");
1084 gdb_flush (gdb_stdout
);
1089 tui_show_assembly (gdbarch
, low
);
1094 /* Subroutine of disassemble_command to simplify it.
1095 Print a disassembly of the current function according to FLAGS. */
1098 disassemble_current_function (int flags
)
1100 struct frame_info
*frame
;
1101 struct gdbarch
*gdbarch
;
1102 CORE_ADDR low
, high
, pc
;
1105 frame
= get_selected_frame (_("No frame selected."));
1106 gdbarch
= get_frame_arch (frame
);
1107 pc
= get_frame_address_in_block (frame
);
1108 if (find_pc_partial_function (pc
, &name
, &low
, &high
) == 0)
1109 error (_("No function contains program counter for selected frame."));
1111 /* NOTE: cagney/2003-02-13 The `tui_active' was previously
1114 /* FIXME: cagney/2004-02-07: This should be an observer. */
1115 low
= tui_get_low_disassembly_address (gdbarch
, low
, pc
);
1117 low
+= gdbarch_deprecated_function_start_offset (gdbarch
);
1119 print_disassembly (gdbarch
, name
, low
, high
, flags
);
1122 /* Dump a specified section of assembly code.
1126 - dump the assembly code for the function of the current pc
1127 disassemble [/mr] addr
1128 - dump the assembly code for the function at ADDR
1129 disassemble [/mr] low,high
1130 disassemble [/mr] low,+length
1131 - dump the assembly code in the range [LOW,HIGH), or [LOW,LOW+length)
1133 A /m modifier will include source code with the assembly.
1134 A /r modifier will include raw instructions in hex with the assembly. */
1137 disassemble_command (char *arg
, int from_tty
)
1139 struct gdbarch
*gdbarch
= get_current_arch ();
1140 CORE_ADDR low
, high
;
1155 error (_("Missing modifier."));
1157 while (*p
&& ! isspace (*p
))
1162 flags
|= DISASSEMBLY_SOURCE
;
1165 flags
|= DISASSEMBLY_RAW_INSN
;
1168 error (_("Invalid disassembly modifier."));
1172 p
= skip_spaces_const (p
);
1177 flags
|= DISASSEMBLY_OMIT_FNAME
;
1178 disassemble_current_function (flags
);
1182 pc
= value_as_address (parse_to_comma_and_eval (&p
));
1188 if (find_pc_partial_function (pc
, &name
, &low
, &high
) == 0)
1189 error (_("No function contains specified address."));
1191 /* NOTE: cagney/2003-02-13 The `tui_active' was previously
1194 /* FIXME: cagney/2004-02-07: This should be an observer. */
1195 low
= tui_get_low_disassembly_address (gdbarch
, low
, pc
);
1197 low
+= gdbarch_deprecated_function_start_offset (gdbarch
);
1198 flags
|= DISASSEMBLY_OMIT_FNAME
;
1202 /* Two arguments. */
1205 p
= skip_spaces_const (p
);
1211 high
= parse_and_eval_address (p
);
1216 print_disassembly (gdbarch
, name
, low
, high
, flags
);
1220 make_command (char *arg
, int from_tty
)
1228 p
= xmalloc (sizeof ("make ") + strlen (arg
));
1229 strcpy (p
, "make ");
1230 strcpy (p
+ sizeof ("make ") - 1, arg
);
1233 shell_escape (p
, from_tty
);
1237 show_user (char *args
, int from_tty
)
1239 struct cmd_list_element
*c
;
1240 extern struct cmd_list_element
*cmdlist
;
1244 const char *comname
= args
;
1246 c
= lookup_cmd (&comname
, cmdlist
, "", 0, 1);
1247 if (!cli_user_command_p (c
))
1248 error (_("Not a user command."));
1249 show_user_1 (c
, "", args
, gdb_stdout
);
1253 for (c
= cmdlist
; c
; c
= c
->next
)
1255 if (cli_user_command_p (c
) || c
->prefixlist
!= NULL
)
1256 show_user_1 (c
, "", c
->name
, gdb_stdout
);
1261 /* Search through names of commands and documentations for a certain
1262 regular expression. */
1265 apropos_command (char *searchstr
, int from_tty
)
1270 if (searchstr
== NULL
)
1271 error (_("REGEXP string is empty"));
1273 code
= regcomp (&pattern
, searchstr
, REG_ICASE
);
1276 struct cleanup
*cleanups
;
1278 cleanups
= make_regfree_cleanup (&pattern
);
1279 apropos_cmd (gdb_stdout
, cmdlist
, &pattern
, "");
1280 do_cleanups (cleanups
);
1284 char *err
= get_regcomp_error (code
, &pattern
);
1286 make_cleanup (xfree
, err
);
1287 error (_("Error in regular expression: %s"), err
);
1291 /* Subroutine of alias_command to simplify it.
1292 Return the first N elements of ARGV flattened back to a string
1293 with a space separating each element.
1294 ARGV may not be NULL.
1295 This does not take care of quoting elements in case they contain spaces
1299 argv_to_dyn_string (char **argv
, int n
)
1302 dyn_string_t result
= dyn_string_new (10);
1304 gdb_assert (argv
!= NULL
);
1305 gdb_assert (n
>= 0 && n
<= countargv (argv
));
1307 for (i
= 0; i
< n
; ++i
)
1310 dyn_string_append_char (result
, ' ');
1311 dyn_string_append_cstr (result
, argv
[i
]);
1317 /* Subroutine of alias_command to simplify it.
1318 Return TRUE if COMMAND exists, unambiguously. Otherwise FALSE. */
1321 valid_command_p (const char *command
)
1323 struct cmd_list_element
*c
;
1325 c
= lookup_cmd_1 (& command
, cmdlist
, NULL
, 1);
1327 if (c
== NULL
|| c
== (struct cmd_list_element
*) -1)
1330 /* This is the slightly tricky part.
1331 lookup_cmd_1 will return a pointer to the last part of COMMAND
1332 to match, leaving COMMAND pointing at the remainder. */
1333 while (*command
== ' ' || *command
== '\t')
1335 return *command
== '\0';
1338 /* Make an alias of an existing command. */
1341 alias_command (char *args
, int from_tty
)
1343 int i
, alias_argc
, command_argc
;
1344 int abbrev_flag
= 0;
1345 char *args2
, *equals
, *alias
, *command
;
1346 char **alias_argv
, **command_argv
;
1347 dyn_string_t alias_dyn_string
, command_dyn_string
;
1348 struct cleanup
*cleanup
;
1349 static const char usage
[] = N_("Usage: alias [-a] [--] ALIAS = COMMAND");
1351 if (args
== NULL
|| strchr (args
, '=') == NULL
)
1354 args2
= xstrdup (args
);
1355 cleanup
= make_cleanup (xfree
, args2
);
1356 equals
= strchr (args2
, '=');
1358 alias_argv
= gdb_buildargv (args2
);
1359 make_cleanup_freeargv (alias_argv
);
1360 command_argv
= gdb_buildargv (equals
+ 1);
1361 make_cleanup_freeargv (command_argv
);
1363 for (i
= 0; alias_argv
[i
] != NULL
; )
1365 if (strcmp (alias_argv
[i
], "-a") == 0)
1370 else if (strcmp (alias_argv
[i
], "--") == 0)
1379 if (alias_argv
[0] == NULL
|| command_argv
[0] == NULL
1380 || *alias_argv
[0] == '\0' || *command_argv
[0] == '\0')
1383 for (i
= 0; alias_argv
[i
] != NULL
; ++i
)
1385 if (! valid_user_defined_cmd_name_p (alias_argv
[i
]))
1388 error (_("Invalid command name: %s"), alias_argv
[i
]);
1390 error (_("Invalid command element name: %s"), alias_argv
[i
]);
1394 alias_argc
= countargv (alias_argv
);
1395 command_argc
= countargv (command_argv
);
1397 /* COMMAND must exist.
1398 Reconstruct the command to remove any extraneous spaces,
1399 for better error messages. */
1400 command_dyn_string
= argv_to_dyn_string (command_argv
, command_argc
);
1401 make_cleanup_dyn_string_delete (command_dyn_string
);
1402 command
= dyn_string_buf (command_dyn_string
);
1403 if (! valid_command_p (command
))
1404 error (_("Invalid command to alias to: %s"), command
);
1406 /* ALIAS must not exist. */
1407 alias_dyn_string
= argv_to_dyn_string (alias_argv
, alias_argc
);
1408 make_cleanup_dyn_string_delete (alias_dyn_string
);
1409 alias
= dyn_string_buf (alias_dyn_string
);
1410 if (valid_command_p (alias
))
1411 error (_("Alias already exists: %s"), alias
);
1413 /* If ALIAS is one word, it is an alias for the entire COMMAND.
1414 Example: alias spe = set print elements
1416 Otherwise ALIAS and COMMAND must have the same number of words,
1417 and every word except the last must match; and the last word of
1418 ALIAS is made an alias of the last word of COMMAND.
1419 Example: alias set print elms = set pr elem
1420 Note that unambiguous abbreviations are allowed. */
1422 if (alias_argc
== 1)
1424 /* add_cmd requires *we* allocate space for name, hence the xstrdup. */
1425 add_com_alias (xstrdup (alias_argv
[0]), command
, class_alias
,
1430 dyn_string_t alias_prefix_dyn_string
, command_prefix_dyn_string
;
1431 const char *alias_prefix
, *command_prefix
;
1432 struct cmd_list_element
*c_alias
, *c_command
;
1434 if (alias_argc
!= command_argc
)
1435 error (_("Mismatched command length between ALIAS and COMMAND."));
1437 /* Create copies of ALIAS and COMMAND without the last word,
1438 and use that to verify the leading elements match. */
1439 alias_prefix_dyn_string
=
1440 argv_to_dyn_string (alias_argv
, alias_argc
- 1);
1441 make_cleanup_dyn_string_delete (alias_prefix_dyn_string
);
1442 command_prefix_dyn_string
=
1443 argv_to_dyn_string (alias_argv
, command_argc
- 1);
1444 make_cleanup_dyn_string_delete (command_prefix_dyn_string
);
1445 alias_prefix
= dyn_string_buf (alias_prefix_dyn_string
);
1446 command_prefix
= dyn_string_buf (command_prefix_dyn_string
);
1448 c_command
= lookup_cmd_1 (& command_prefix
, cmdlist
, NULL
, 1);
1449 /* We've already tried to look up COMMAND. */
1450 gdb_assert (c_command
!= NULL
1451 && c_command
!= (struct cmd_list_element
*) -1);
1452 gdb_assert (c_command
->prefixlist
!= NULL
);
1453 c_alias
= lookup_cmd_1 (& alias_prefix
, cmdlist
, NULL
, 1);
1454 if (c_alias
!= c_command
)
1455 error (_("ALIAS and COMMAND prefixes do not match."));
1457 /* add_cmd requires *we* allocate space for name, hence the xstrdup. */
1458 add_alias_cmd (xstrdup (alias_argv
[alias_argc
- 1]),
1459 command_argv
[command_argc
- 1],
1460 class_alias
, abbrev_flag
, c_command
->prefixlist
);
1463 do_cleanups (cleanup
);
1466 /* Print a list of files and line numbers which a user may choose from
1467 in order to list a function which was specified ambiguously (as
1468 with `list classname::overloadedfuncname', for example). The
1469 vector in SALS provides the filenames and line numbers. */
1472 ambiguous_line_spec (struct symtabs_and_lines
*sals
)
1476 for (i
= 0; i
< sals
->nelts
; ++i
)
1477 printf_filtered (_("file: \"%s\", line number: %d\n"),
1478 symtab_to_filename_for_display (sals
->sals
[i
].symtab
),
1479 sals
->sals
[i
].line
);
1482 /* Sort function for filter_sals. */
1485 compare_symtabs (const void *a
, const void *b
)
1487 const struct symtab_and_line
*sala
= a
;
1488 const struct symtab_and_line
*salb
= b
;
1491 if (!sala
->symtab
->dirname
)
1493 if (salb
->symtab
->dirname
)
1496 else if (!salb
->symtab
->dirname
)
1498 if (sala
->symtab
->dirname
)
1503 r
= filename_cmp (sala
->symtab
->dirname
, salb
->symtab
->dirname
);
1508 r
= filename_cmp (sala
->symtab
->filename
, salb
->symtab
->filename
);
1512 if (sala
->line
< salb
->line
)
1514 return sala
->line
== salb
->line
? 0 : 1;
1517 /* Remove any SALs that do not match the current program space, or
1518 which appear to be "file:line" duplicates. */
1521 filter_sals (struct symtabs_and_lines
*sals
)
1526 for (i
= 0; i
< sals
->nelts
; ++i
)
1528 if (sals
->sals
[i
].pspace
== current_program_space
1529 && sals
->sals
[i
].symtab
!= NULL
)
1531 sals
->sals
[out
] = sals
->sals
[i
];
1537 qsort (sals
->sals
, sals
->nelts
, sizeof (struct symtab_and_line
),
1542 for (i
= 1; i
< sals
->nelts
; ++i
)
1544 if (compare_symtabs (&sals
->sals
[prev
], &sals
->sals
[i
]))
1546 /* Symtabs differ. */
1547 sals
->sals
[out
] = sals
->sals
[i
];
1553 if (sals
->nelts
== 0)
1563 set_debug (char *arg
, int from_tty
)
1565 printf_unfiltered (_("\"set debug\" must be followed by "
1566 "the name of a debug subcommand.\n"));
1567 help_list (setdebuglist
, "set debug ", all_commands
, gdb_stdout
);
1571 show_debug (char *args
, int from_tty
)
1573 cmd_show_list (showdebuglist
, from_tty
, "");
1577 init_cmd_lists (void)
1579 max_user_call_depth
= 1024;
1583 show_info_verbose (struct ui_file
*file
, int from_tty
,
1584 struct cmd_list_element
*c
,
1588 fprintf_filtered (file
,
1589 _("Verbose printing of informational messages is %s.\n"),
1592 fprintf_filtered (file
, _("Verbosity is %s.\n"), value
);
1596 show_history_expansion_p (struct ui_file
*file
, int from_tty
,
1597 struct cmd_list_element
*c
, const char *value
)
1599 fprintf_filtered (file
, _("History expansion on command input is %s.\n"),
1604 show_remote_debug (struct ui_file
*file
, int from_tty
,
1605 struct cmd_list_element
*c
, const char *value
)
1607 fprintf_filtered (file
, _("Debugging of remote protocol is %s.\n"),
1612 show_remote_timeout (struct ui_file
*file
, int from_tty
,
1613 struct cmd_list_element
*c
, const char *value
)
1615 fprintf_filtered (file
,
1616 _("Timeout limit to wait for target to respond is %s.\n"),
1621 show_max_user_call_depth (struct ui_file
*file
, int from_tty
,
1622 struct cmd_list_element
*c
, const char *value
)
1624 fprintf_filtered (file
,
1625 _("The max call depth for user-defined commands is %s.\n"),
1631 initialize_file_ftype _initialize_cli_cmds
;
1634 _initialize_cli_cmds (void)
1636 struct cmd_list_element
*c
;
1638 /* Define the classes of commands.
1639 They will appear in the help list in alphabetical order. */
1641 add_cmd ("internals", class_maintenance
, NULL
, _("\
1642 Maintenance commands.\n\
1643 Some gdb commands are provided just for use by gdb maintainers.\n\
1644 These commands are subject to frequent change, and may not be as\n\
1645 well documented as user commands."),
1647 add_cmd ("obscure", class_obscure
, NULL
, _("Obscure features."), &cmdlist
);
1648 add_cmd ("aliases", class_alias
, NULL
,
1649 _("Aliases of other commands."), &cmdlist
);
1650 add_cmd ("user-defined", class_user
, NULL
, _("\
1651 User-defined commands.\n\
1652 The commands in this class are those defined by the user.\n\
1653 Use the \"define\" command to define a command."), &cmdlist
);
1654 add_cmd ("support", class_support
, NULL
, _("Support facilities."), &cmdlist
);
1656 add_cmd ("status", class_info
, NULL
, _("Status inquiries."), &cmdlist
);
1657 add_cmd ("files", class_files
, NULL
, _("Specifying and examining files."),
1659 add_cmd ("breakpoints", class_breakpoint
, NULL
,
1660 _("Making program stop at certain points."), &cmdlist
);
1661 add_cmd ("data", class_vars
, NULL
, _("Examining data."), &cmdlist
);
1662 add_cmd ("stack", class_stack
, NULL
, _("\
1663 Examining the stack.\n\
1664 The stack is made up of stack frames. Gdb assigns numbers to stack frames\n\
1665 counting from zero for the innermost (currently executing) frame.\n\n\
1666 At any time gdb identifies one frame as the \"selected\" frame.\n\
1667 Variable lookups are done with respect to the selected frame.\n\
1668 When the program being debugged stops, gdb selects the innermost frame.\n\
1669 The commands below can be used to select other frames by number or address."),
1671 add_cmd ("running", class_run
, NULL
, _("Running the program."), &cmdlist
);
1673 /* Define general commands. */
1675 add_com ("pwd", class_files
, pwd_command
, _("\
1676 Print working directory. This is used for your program as well."));
1678 c
= add_cmd ("cd", class_files
, cd_command
, _("\
1679 Set working directory to DIR for debugger and program being debugged.\n\
1680 The change does not take effect for the program being debugged\n\
1681 until the next time it is started."), &cmdlist
);
1682 set_cmd_completer (c
, filename_completer
);
1684 add_com ("echo", class_support
, echo_command
, _("\
1685 Print a constant string. Give string as argument.\n\
1686 C escape sequences may be used in the argument.\n\
1687 No newline is added at the end of the argument;\n\
1688 use \"\\n\" if you want a newline to be printed.\n\
1689 Since leading and trailing whitespace are ignored in command arguments,\n\
1690 if you want to print some you must use \"\\\" before leading whitespace\n\
1691 to be printed or after trailing whitespace."));
1693 add_setshow_enum_cmd ("script-extension", class_support
,
1694 script_ext_enums
, &script_ext_mode
, _("\
1695 Set mode for script filename extension recognition."), _("\
1696 Show mode for script filename extension recognition."), _("\
1697 off == no filename extension recognition (all sourced files are GDB scripts)\n\
1698 soft == evaluate script according to filename extension, fallback to GDB script"
1700 strict == evaluate script according to filename extension, error if not supported"
1703 show_script_ext_mode
,
1704 &setlist
, &showlist
);
1706 add_com ("quit", class_support
, quit_command
, _("\
1708 Usage: quit [EXPR]\n\
1709 The optional expression EXPR, if present, is evaluated and the result\n\
1710 used as GDB's exit code. The default is zero."));
1711 c
= add_com ("help", class_support
, help_command
,
1712 _("Print list of commands."));
1713 set_cmd_completer (c
, command_completer
);
1714 add_com_alias ("q", "quit", class_support
, 1);
1715 add_com_alias ("h", "help", class_support
, 1);
1717 add_setshow_boolean_cmd ("verbose", class_support
, &info_verbose
, _("\
1718 Set verbosity."), _("\
1719 Show verbosity."), NULL
,
1722 &setlist
, &showlist
);
1724 add_prefix_cmd ("history", class_support
, set_history
,
1725 _("Generic command for setting command history parameters."),
1726 &sethistlist
, "set history ", 0, &setlist
);
1727 add_prefix_cmd ("history", class_support
, show_history
,
1728 _("Generic command for showing command history parameters."),
1729 &showhistlist
, "show history ", 0, &showlist
);
1731 add_setshow_boolean_cmd ("expansion", no_class
, &history_expansion_p
, _("\
1732 Set history expansion on command input."), _("\
1733 Show history expansion on command input."), _("\
1734 Without an argument, history expansion is enabled."),
1736 show_history_expansion_p
,
1737 &sethistlist
, &showhistlist
);
1739 add_prefix_cmd ("info", class_info
, info_command
, _("\
1740 Generic command for showing things about the program being debugged."),
1741 &infolist
, "info ", 0, &cmdlist
);
1742 add_com_alias ("i", "info", class_info
, 1);
1743 add_com_alias ("inf", "info", class_info
, 1);
1745 add_com ("complete", class_obscure
, complete_command
,
1746 _("List the completions for the rest of the line as a command."));
1748 add_prefix_cmd ("show", class_info
, show_command
, _("\
1749 Generic command for showing things about the debugger."),
1750 &showlist
, "show ", 0, &cmdlist
);
1751 /* Another way to get at the same thing. */
1752 add_info ("set", show_command
, _("Show all GDB settings."));
1754 add_cmd ("commands", no_set_class
, show_commands
, _("\
1755 Show the history of commands you typed.\n\
1756 You can supply a command number to start with, or a `+' to start after\n\
1757 the previous command number shown."),
1760 add_cmd ("version", no_set_class
, show_version
,
1761 _("Show what version of GDB this is."), &showlist
);
1763 add_cmd ("configuration", no_set_class
, show_configuration
,
1764 _("Show how GDB was configured at build time."), &showlist
);
1766 add_setshow_zinteger_cmd ("remote", no_class
, &remote_debug
, _("\
1767 Set debugging of remote protocol."), _("\
1768 Show debugging of remote protocol."), _("\
1769 When enabled, each packet sent or received with the remote target\n\
1773 &setdebuglist
, &showdebuglist
);
1775 add_setshow_zuinteger_unlimited_cmd ("remotetimeout", no_class
,
1776 &remote_timeout
, _("\
1777 Set timeout limit to wait for target to respond."), _("\
1778 Show timeout limit to wait for target to respond."), _("\
1779 This value is used to set the time limit for gdb to wait for a response\n\
1782 show_remote_timeout
,
1783 &setlist
, &showlist
);
1785 add_prefix_cmd ("debug", no_class
, set_debug
,
1786 _("Generic command for setting gdb debugging flags"),
1787 &setdebuglist
, "set debug ", 0, &setlist
);
1789 add_prefix_cmd ("debug", no_class
, show_debug
,
1790 _("Generic command for showing gdb debugging flags"),
1791 &showdebuglist
, "show debug ", 0, &showlist
);
1793 c
= add_com ("shell", class_support
, shell_escape
, _("\
1794 Execute the rest of the line as a shell command.\n\
1795 With no arguments, run an inferior shell."));
1796 set_cmd_completer (c
, filename_completer
);
1798 c
= add_com ("edit", class_files
, edit_command
, _("\
1799 Edit specified file or function.\n\
1800 With no argument, edits file containing most recent line listed.\n\
1801 Editing targets can be specified in these ways:\n\
1802 FILE:LINENUM, to edit at that line in that file,\n\
1803 FUNCTION, to edit at the beginning of that function,\n\
1804 FILE:FUNCTION, to distinguish among like-named static functions.\n\
1805 *ADDRESS, to edit at the line containing that address.\n\
1806 Uses EDITOR environment variable contents as editor (or ex as default)."));
1808 c
->completer
= location_completer
;
1810 add_com ("list", class_files
, list_command
, _("\
1811 List specified function or line.\n\
1812 With no argument, lists ten more lines after or around previous listing.\n\
1813 \"list -\" lists the ten lines before a previous ten-line listing.\n\
1814 One argument specifies a line, and ten lines are listed around that line.\n\
1815 Two arguments with comma between specify starting and ending lines to list.\n\
1816 Lines can be specified in these ways:\n\
1817 LINENUM, to list around that line in current file,\n\
1818 FILE:LINENUM, to list around that line in that file,\n\
1819 FUNCTION, to list around beginning of that function,\n\
1820 FILE:FUNCTION, to distinguish among like-named static functions.\n\
1821 *ADDRESS, to list around the line containing that address.\n\
1822 With two args if one is empty it stands for ten lines away from \
1826 add_com_alias ("l", "list", class_files
, 1);
1828 add_com_alias ("v", "list", class_files
, 1);
1831 add_com_alias ("file", "list", class_files
, 1);
1833 c
= add_com ("disassemble", class_vars
, disassemble_command
, _("\
1834 Disassemble a specified section of memory.\n\
1835 Default is the function surrounding the pc of the selected frame.\n\
1836 With a /m modifier, source lines are included (if available).\n\
1837 With a /r modifier, raw instructions in hex are included.\n\
1838 With a single argument, the function surrounding that address is dumped.\n\
1839 Two arguments (separated by a comma) are taken as a range of memory to dump,\n\
1840 in the form of \"start,end\", or \"start,+length\".\n\
1842 Note that the address is interpreted as an expression, not as a location\n\
1843 like in the \"break\" command.\n\
1844 So, for example, if you want to disassemble function bar in file foo.c\n\
1845 you must type \"disassemble 'foo.c'::bar\" and not \"disassemble foo.c:bar\"."));
1846 set_cmd_completer (c
, location_completer
);
1848 add_com_alias ("va", "disassemble", class_xdb
, 0);
1850 add_com_alias ("!", "shell", class_support
, 0);
1852 c
= add_com ("make", class_support
, make_command
, _("\
1853 Run the ``make'' program using the rest of the line as arguments."));
1854 set_cmd_completer (c
, filename_completer
);
1855 add_cmd ("user", no_class
, show_user
, _("\
1856 Show definitions of non-python/scheme user defined commands.\n\
1857 Argument is the name of the user defined command.\n\
1858 With no argument, show definitions of all user defined commands."), &showlist
);
1859 add_com ("apropos", class_support
, apropos_command
,
1860 _("Search for commands matching a REGEXP"));
1862 add_setshow_uinteger_cmd ("max-user-call-depth", no_class
,
1863 &max_user_call_depth
, _("\
1864 Set the max call depth for non-python/scheme user-defined commands."), _("\
1865 Show the max call depth for non-python/scheme user-defined commands."), NULL
,
1867 show_max_user_call_depth
,
1868 &setlist
, &showlist
);
1870 add_setshow_boolean_cmd ("trace-commands", no_class
, &trace_commands
, _("\
1871 Set tracing of GDB CLI commands."), _("\
1872 Show state of GDB CLI command tracing."), _("\
1873 When 'on', each command is displayed as it is executed."),
1876 &setlist
, &showlist
);
1878 c
= add_com ("alias", class_support
, alias_command
, _("\
1879 Define a new command that is an alias of an existing command.\n\
1880 Usage: alias [-a] [--] ALIAS = COMMAND\n\
1881 ALIAS is the name of the alias command to create.\n\
1882 COMMAND is the command being aliased to.\n\
1883 If \"-a\" is specified, the command is an abbreviation,\n\
1884 and will not appear in help command list output.\n\
1887 Make \"spe\" an alias of \"set print elements\":\n\
1888 alias spe = set print elements\n\
1889 Make \"elms\" an alias of \"elements\" in the \"set print\" command:\n\
1890 alias -a set print elms = set print elements"));
1894 init_cli_cmds (void)
1896 struct cmd_list_element
*c
;
1897 char *source_help_text
;
1899 source_help_text
= xstrprintf (_("\
1900 Read commands from a file named FILE.\n\
1902 Usage: source [-s] [-v] FILE\n\
1903 -s: search for the script in the source search path,\n\
1904 even if FILE contains directories.\n\
1905 -v: each command in FILE is echoed as it is executed.\n\
1907 Note that the file \"%s\" is read automatically in this way\n\
1908 when GDB is started."), gdbinit
);
1909 c
= add_cmd ("source", class_support
, source_command
,
1910 source_help_text
, &cmdlist
);
1911 set_cmd_completer (c
, filename_completer
);