3 Copyright (C) 2000-2017 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 "readline/readline.h"
23 #include "readline/tilde.h"
24 #include "completer.h"
25 #include "target.h" /* For baud_rate, remote_debug and remote_timeout. */
26 #include "gdb_wait.h" /* For shell escape implementation. */
27 #include "gdb_regex.h" /* Used by apropos_command. */
28 #include "gdb_vfork.h"
30 #include "expression.h"
34 #include "filenames.h" /* For DOSish file names. */
38 #include "tracepoint.h"
39 #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. */
61 /* Prototypes for local command functions */
63 static void complete_command (char *, int);
65 static void echo_command (char *, int);
67 static void pwd_command (char *, int);
69 static void show_version (char *, int);
71 static void help_command (char *, int);
73 static void show_command (char *, int);
75 static void info_command (char *, int);
77 static void show_debug (char *, int);
79 static void set_debug (char *, int);
81 static void show_user (char *, int);
83 static void make_command (char *, int);
85 static void shell_escape (const char *, int);
87 static void edit_command (char *, int);
89 static void list_command (char *, int);
91 /* Prototypes for local utility functions */
93 static void ambiguous_line_spec (struct symtabs_and_lines
*);
95 static void filter_sals (struct symtabs_and_lines
*);
98 /* Limit the call depth of user-defined commands */
99 unsigned int max_user_call_depth
;
101 /* Define all cmd_list_elements. */
103 /* Chain containing all defined commands. */
105 struct cmd_list_element
*cmdlist
;
107 /* Chain containing all defined info subcommands. */
109 struct cmd_list_element
*infolist
;
111 /* Chain containing all defined enable subcommands. */
113 struct cmd_list_element
*enablelist
;
115 /* Chain containing all defined disable subcommands. */
117 struct cmd_list_element
*disablelist
;
119 /* Chain containing all defined stop subcommands. */
121 struct cmd_list_element
*stoplist
;
123 /* Chain containing all defined delete subcommands. */
125 struct cmd_list_element
*deletelist
;
127 /* Chain containing all defined detach subcommands. */
129 struct cmd_list_element
*detachlist
;
131 /* Chain containing all defined kill subcommands. */
133 struct cmd_list_element
*killlist
;
135 /* Chain containing all defined set subcommands */
137 struct cmd_list_element
*setlist
;
139 /* Chain containing all defined unset subcommands */
141 struct cmd_list_element
*unsetlist
;
143 /* Chain containing all defined show subcommands. */
145 struct cmd_list_element
*showlist
;
147 /* Chain containing all defined \"set history\". */
149 struct cmd_list_element
*sethistlist
;
151 /* Chain containing all defined \"show history\". */
153 struct cmd_list_element
*showhistlist
;
155 /* Chain containing all defined \"unset history\". */
157 struct cmd_list_element
*unsethistlist
;
159 /* Chain containing all defined maintenance subcommands. */
161 struct cmd_list_element
*maintenancelist
;
163 /* Chain containing all defined "maintenance info" subcommands. */
165 struct cmd_list_element
*maintenanceinfolist
;
167 /* Chain containing all defined "maintenance print" subcommands. */
169 struct cmd_list_element
*maintenanceprintlist
;
171 struct cmd_list_element
*setprintlist
;
173 struct cmd_list_element
*showprintlist
;
175 struct cmd_list_element
*setdebuglist
;
177 struct cmd_list_element
*showdebuglist
;
179 struct cmd_list_element
*setchecklist
;
181 struct cmd_list_element
*showchecklist
;
183 /* Command tracing state. */
185 int source_verbose
= 0;
186 int trace_commands
= 0;
188 /* 'script-extension' option support. */
190 static const char script_ext_off
[] = "off";
191 static const char script_ext_soft
[] = "soft";
192 static const char script_ext_strict
[] = "strict";
194 static const char *const script_ext_enums
[] = {
201 static const char *script_ext_mode
= script_ext_soft
;
203 /* Utility used everywhere when at least one argument is needed and
207 error_no_arg (const char *why
)
209 error (_("Argument required (%s)."), why
);
212 /* The "info" command is defined as a prefix, with allow_unknown = 0.
213 Therefore, its own definition is called only for "info" with no
217 info_command (char *arg
, int from_tty
)
219 printf_unfiltered (_("\"info\" must be followed by "
220 "the name of an info command.\n"));
221 help_list (infolist
, "info ", all_commands
, gdb_stdout
);
224 /* The "show" command with no arguments shows all the settings. */
227 show_command (char *arg
, int from_tty
)
229 cmd_show_list (showlist
, from_tty
, "");
232 /* Provide documentation on command or list given by COMMAND. FROM_TTY
236 help_command (char *command
, int from_tty
)
238 help_cmd (command
, gdb_stdout
);
241 /* Note: The "complete" command is used by Emacs to implement completion.
242 [Is that why this function writes output with *_unfiltered?] */
245 complete_command (char *arg_entry
, int from_tty
)
247 const char *arg
= arg_entry
;
250 VEC (char_ptr
) *completions
;
254 if (max_completions
== 0)
256 /* Only print this for non-mi frontends. An MI frontend may not
257 be able to handle this. */
258 if (!current_uiout
->is_mi_like_p ())
260 printf_unfiltered (_("max-completions is zero,"
261 " completion is disabled.\n"));
268 argpoint
= strlen (arg
);
270 /* complete_line assumes that its first argument is somewhere
271 within, and except for filenames at the beginning of, the word to
272 be completed. The following crude imitation of readline's
273 word-breaking tries to accomodate this. */
274 const char *point
= arg
+ argpoint
;
277 if (strchr (rl_completer_word_break_characters
, point
[-1]) != 0)
282 arg_prefix
= (char *) alloca (point
- arg
+ 1);
283 memcpy (arg_prefix
, arg
, point
- arg
);
284 arg_prefix
[point
- arg
] = 0;
286 completions
= complete_line (point
, arg
, argpoint
);
290 int ix
, size
= VEC_length (char_ptr
, completions
);
291 char *item
, *prev
= NULL
;
293 qsort (VEC_address (char_ptr
, completions
), size
,
294 sizeof (char *), compare_strings
);
296 /* We do extra processing here since we only want to print each
298 for (ix
= 0; VEC_iterate (char_ptr
, completions
, ix
, item
); ++ix
)
300 if (prev
== NULL
|| strcmp (item
, prev
) != 0)
302 printf_unfiltered ("%s%s\n", arg_prefix
, item
);
311 VEC_free (char_ptr
, completions
);
313 if (size
== max_completions
)
315 /* ARG_PREFIX and POINT are included in the output so that emacs
316 will include the message in the output. */
317 printf_unfiltered (_("%s%s %s\n"),
319 get_max_completions_reached_message ());
325 is_complete_command (struct cmd_list_element
*c
)
327 return cmd_cfunc_eq (c
, complete_command
);
331 show_version (char *args
, int from_tty
)
333 print_gdb_version (gdb_stdout
);
334 printf_filtered ("\n");
338 show_configuration (char *args
, int from_tty
)
340 print_gdb_configuration (gdb_stdout
);
343 /* Handle the quit command. */
346 quit_command (char *args
, int from_tty
)
350 /* An optional expression may be used to cause gdb to terminate with
351 the value of that expression. */
354 struct value
*val
= parse_and_eval (args
);
356 exit_code
= (int) value_as_long (val
);
359 if (!quit_confirm ())
360 error (_("Not confirmed."));
362 query_if_trace_running (from_tty
);
364 quit_force (args
? &exit_code
: NULL
, from_tty
);
368 pwd_command (char *args
, int from_tty
)
371 error (_("The \"pwd\" command does not take an argument: %s"), args
);
372 if (! getcwd (gdb_dirbuf
, sizeof (gdb_dirbuf
)))
373 error (_("Error finding name of working directory: %s"),
374 safe_strerror (errno
));
376 if (strcmp (gdb_dirbuf
, current_directory
) != 0)
377 printf_unfiltered (_("Working directory %s\n (canonically %s).\n"),
378 current_directory
, gdb_dirbuf
);
380 printf_unfiltered (_("Working directory %s.\n"), current_directory
);
384 cd_command (char *dir
, int from_tty
)
387 /* Found something other than leading repetitions of "/..". */
390 struct cleanup
*cleanup
;
392 /* If the new directory is absolute, repeat is a no-op; if relative,
393 repeat might be useful but is more likely to be a mistake. */
396 dir
= tilde_expand (dir
!= NULL
? dir
: "~");
397 cleanup
= make_cleanup (xfree
, dir
);
400 perror_with_name (dir
);
402 #ifdef HAVE_DOS_BASED_FILE_SYSTEM
403 /* There's too much mess with DOSish names like "d:", "d:.",
404 "d:./foo" etc. Instead of having lots of special #ifdef'ed code,
405 simply get the canonicalized name of the current directory. */
406 dir
= getcwd (gdb_dirbuf
, sizeof (gdb_dirbuf
));
410 if (IS_DIR_SEPARATOR (dir
[len
- 1]))
412 /* Remove the trailing slash unless this is a root directory
413 (including a drive letter on non-Unix systems). */
414 if (!(len
== 1) /* "/" */
415 #ifdef HAVE_DOS_BASED_FILE_SYSTEM
416 && !(len
== 3 && dir
[1] == ':') /* "d:/" */
422 dir
= savestring (dir
, len
);
423 if (IS_ABSOLUTE_PATH (dir
))
424 current_directory
= dir
;
427 if (IS_DIR_SEPARATOR (current_directory
[strlen (current_directory
) - 1]))
428 current_directory
= concat (current_directory
, dir
, (char *)NULL
);
430 current_directory
= concat (current_directory
, SLASH_STRING
,
435 /* Now simplify any occurrences of `.' and `..' in the pathname. */
438 for (p
= current_directory
; *p
;)
440 if (IS_DIR_SEPARATOR (p
[0]) && p
[1] == '.'
441 && (p
[2] == 0 || IS_DIR_SEPARATOR (p
[2])))
442 memmove (p
, p
+ 2, strlen (p
+ 2) + 1);
443 else if (IS_DIR_SEPARATOR (p
[0]) && p
[1] == '.' && p
[2] == '.'
444 && (p
[3] == 0 || IS_DIR_SEPARATOR (p
[3])))
448 /* Search backwards for the directory just before the "/.."
449 and obliterate it and the "/..". */
452 while (q
!= current_directory
&& !IS_DIR_SEPARATOR (q
[-1]))
455 if (q
== current_directory
)
456 /* current_directory is
457 a relative pathname ("can't happen"--leave it alone). */
461 memmove (q
- 1, p
+ 3, strlen (p
+ 3) + 1);
466 /* We are dealing with leading repetitions of "/..", for
467 example "/../..", which is the Mach super-root. */
477 forget_cached_source_info ();
480 pwd_command ((char *) 0, 1);
482 do_cleanups (cleanup
);
485 /* Show the current value of the 'script-extension' option. */
488 show_script_ext_mode (struct ui_file
*file
, int from_tty
,
489 struct cmd_list_element
*c
, const char *value
)
491 fprintf_filtered (file
,
492 _("Script filename extension recognition is \"%s\".\n"),
496 /* Try to open SCRIPT_FILE.
497 If successful, the full path name is stored in *FULL_PATHP,
498 the stream is stored in *STREAMP, and return 1.
499 The caller is responsible for freeing *FULL_PATHP.
500 If not successful, return 0; errno is set for the last file
503 If SEARCH_PATH is non-zero, and the file isn't found in cwd,
504 search for it in the source search path. */
507 find_and_open_script (const char *script_file
, int search_path
,
508 FILE **streamp
, char **full_pathp
)
512 struct cleanup
*old_cleanups
;
513 int search_flags
= OPF_TRY_CWD_FIRST
| OPF_RETURN_REALPATH
;
515 file
= tilde_expand (script_file
);
516 old_cleanups
= make_cleanup (xfree
, file
);
519 search_flags
|= OPF_SEARCH_IN_PATH
;
521 /* Search for and open 'file' on the search path used for source
522 files. Put the full location in *FULL_PATHP. */
523 fd
= openp (source_path
, search_flags
,
524 file
, O_RDONLY
, full_pathp
);
528 int save_errno
= errno
;
529 do_cleanups (old_cleanups
);
534 do_cleanups (old_cleanups
);
536 *streamp
= fdopen (fd
, FOPEN_RT
);
537 if (*streamp
== NULL
)
539 int save_errno
= errno
;
551 /* Load script FILE, which has already been opened as STREAM.
552 FILE_TO_OPEN is the form of FILE to use if one needs to open the file.
553 This is provided as FILE may have been found via the source search path.
554 An important thing to note here is that FILE may be a symlink to a file
555 with a different or non-existing suffix, and thus one cannot infer the
556 extension language from FILE_TO_OPEN. */
559 source_script_from_stream (FILE *stream
, const char *file
,
560 const char *file_to_open
)
562 if (script_ext_mode
!= script_ext_off
)
564 const struct extension_language_defn
*extlang
565 = get_ext_lang_of_file (file
);
569 if (ext_lang_present_p (extlang
))
571 script_sourcer_func
*sourcer
572 = ext_lang_script_sourcer (extlang
);
574 gdb_assert (sourcer
!= NULL
);
575 sourcer (extlang
, stream
, file_to_open
);
578 else if (script_ext_mode
== script_ext_soft
)
580 /* Assume the file is a gdb script.
581 This is handled below. */
584 throw_ext_lang_unsupported (extlang
);
588 script_from_file (stream
, file
);
591 /* Worker to perform the "source" command.
593 If SEARCH_PATH is non-zero, and the file isn't found in cwd,
594 search for it in the source search path. */
597 source_script_with_search (const char *file
, int from_tty
, int search_path
)
601 struct cleanup
*old_cleanups
;
603 if (file
== NULL
|| *file
== 0)
604 error (_("source command requires file name of file to source."));
606 if (!find_and_open_script (file
, search_path
, &stream
, &full_path
))
608 /* The script wasn't found, or was otherwise inaccessible.
609 If the source command was invoked interactively, throw an
610 error. Otherwise (e.g. if it was invoked by a script),
611 just emit a warning, rather than cause an error. */
613 perror_with_name (file
);
616 perror_warning_with_name (file
);
621 old_cleanups
= make_cleanup (xfree
, full_path
);
622 make_cleanup_fclose (stream
);
623 /* The python support reopens the file, so we need to pass full_path here
624 in case the file was found on the search path. It's useful to do this
625 anyway so that error messages show the actual file used. But only do
626 this if we (may have) used search_path, as printing the full path in
627 errors for the non-search case can be more noise than signal. */
628 source_script_from_stream (stream
, file
, search_path
? full_path
: file
);
629 do_cleanups (old_cleanups
);
632 /* Wrapper around source_script_with_search to export it to main.c
633 for use in loading .gdbinit scripts. */
636 source_script (const char *file
, int from_tty
)
638 source_script_with_search (file
, from_tty
, 0);
641 /* Return the source_verbose global variable to its previous state
642 on exit from the source command, by whatever means. */
644 source_verbose_cleanup (void *old_value
)
646 source_verbose
= *(int *)old_value
;
651 source_command (char *args
, int from_tty
)
653 struct cleanup
*old_cleanups
;
655 int *old_source_verbose
= XNEW (int);
658 *old_source_verbose
= source_verbose
;
659 old_cleanups
= make_cleanup (source_verbose_cleanup
,
662 /* -v causes the source command to run in verbose mode.
663 -s causes the file to be searched in the source search path,
664 even if the file name contains a '/'.
665 We still have to be able to handle filenames with spaces in a
666 backward compatible way, so buildargv is not appropriate. */
670 while (args
[0] != '\0')
672 /* Make sure leading white space does not break the
674 args
= skip_spaces (args
);
679 if (args
[1] == 'v' && isspace (args
[2]))
683 /* Skip passed -v. */
686 else if (args
[1] == 's' && isspace (args
[2]))
690 /* Skip passed -s. */
697 file
= skip_spaces (args
);
700 source_script_with_search (file
, from_tty
, search_path
);
702 do_cleanups (old_cleanups
);
707 echo_command (char *text
, int from_tty
)
709 const char *p
= text
;
713 while ((c
= *p
++) != '\0')
717 /* \ at end of argument is used after spaces
718 so they won't be lost. */
722 c
= parse_escape (get_current_arch (), &p
);
724 printf_filtered ("%c", c
);
727 printf_filtered ("%c", c
);
730 /* Force this output to appear now. */
732 gdb_flush (gdb_stdout
);
736 shell_escape (const char *arg
, int from_tty
)
738 #if defined(CANT_FORK) || \
739 (!defined(HAVE_WORKING_VFORK) && !defined(HAVE_WORKING_FORK))
740 /* If ARG is NULL, they want an inferior shell, but `system' just
741 reports if the shell is available when passed a NULL arg. */
742 int rc
= system (arg
? arg
: "");
745 arg
= "inferior shell";
749 fprintf_unfiltered (gdb_stderr
, "Cannot execute %s: %s\n", arg
,
750 safe_strerror (errno
));
751 gdb_flush (gdb_stderr
);
755 fprintf_unfiltered (gdb_stderr
, "%s exited with status %d\n", arg
, rc
);
756 gdb_flush (gdb_stderr
);
759 /* Make sure to return to the directory GDB thinks it is, in case
760 the shell command we just ran changed it. */
761 chdir (current_directory
);
763 #else /* Can fork. */
766 if ((pid
= vfork ()) == 0)
768 const char *p
, *user_shell
;
772 if ((user_shell
= (char *) getenv ("SHELL")) == NULL
)
773 user_shell
= "/bin/sh";
775 /* Get the name of the shell for arg0. */
776 p
= lbasename (user_shell
);
779 execl (user_shell
, p
, (char *) 0);
781 execl (user_shell
, p
, "-c", arg
, (char *) 0);
783 fprintf_unfiltered (gdb_stderr
, "Cannot execute %s: %s\n", user_shell
,
784 safe_strerror (errno
));
785 gdb_flush (gdb_stderr
);
790 waitpid (pid
, &status
, 0);
792 error (_("Fork failed"));
793 #endif /* Can fork. */
796 /* Implementation of the "shell" command. */
799 shell_command (char *arg
, int from_tty
)
801 shell_escape (arg
, from_tty
);
805 edit_command (char *arg
, int from_tty
)
807 struct symtabs_and_lines sals
;
808 struct symtab_and_line sal
;
814 /* Pull in the current default source line if necessary. */
817 set_default_source_symtab_and_line ();
818 sal
= get_current_source_symtab_and_line ();
821 /* Bare "edit" edits file with present line. */
826 error (_("No default source file yet."));
827 sal
.line
+= get_lines_to_list () / 2;
831 struct cleanup
*cleanup
;
832 struct event_location
*location
;
835 /* Now should only be one argument -- decode it in SAL. */
837 location
= string_to_event_location (&arg1
, current_language
);
838 cleanup
= make_cleanup_delete_event_location (location
);
839 sals
= decode_line_1 (location
, DECODE_LINE_LIST_MODE
, NULL
, NULL
, 0);
845 do_cleanups (cleanup
);
850 ambiguous_line_spec (&sals
);
852 do_cleanups (cleanup
);
860 error (_("Junk at end of line specification."));
862 /* If line was specified by address, first print exactly which
863 line, and which file. In this case, sal.symtab == 0 means
864 address is outside of all known source files, not that user
865 failed to give a filename. */
868 struct gdbarch
*gdbarch
;
871 error (_("No source file for address %s."),
872 paddress (get_current_arch (), sal
.pc
));
874 gdbarch
= get_objfile_arch (SYMTAB_OBJFILE (sal
.symtab
));
875 sym
= find_pc_function (sal
.pc
);
877 printf_filtered ("%s is in %s (%s:%d).\n",
878 paddress (gdbarch
, sal
.pc
),
879 SYMBOL_PRINT_NAME (sym
),
880 symtab_to_filename_for_display (sal
.symtab
),
883 printf_filtered ("%s is at %s:%d.\n",
884 paddress (gdbarch
, sal
.pc
),
885 symtab_to_filename_for_display (sal
.symtab
),
889 /* If what was given does not imply a symtab, it must be an
890 undebuggable symbol which means no source code. */
893 error (_("No line number known for %s."), arg
);
894 do_cleanups (cleanup
);
897 if ((editor
= (char *) getenv ("EDITOR")) == NULL
)
900 fn
= symtab_to_fullname (sal
.symtab
);
902 /* Quote the file name, in case it has whitespace or other special
904 p
= xstrprintf ("%s +%d \"%s\"", editor
, sal
.line
, fn
);
905 shell_escape (p
, from_tty
);
910 list_command (char *arg
, int from_tty
)
912 struct symtabs_and_lines sals
, sals_end
;
913 struct symtab_and_line sal
= { 0 };
914 struct symtab_and_line sal_end
= { 0 };
915 struct symtab_and_line cursal
= { 0 };
923 struct cleanup
*cleanup
;
925 cleanup
= make_cleanup (null_cleanup
, NULL
);
927 /* Pull in the current default source line if necessary. */
928 if (arg
== NULL
|| ((arg
[0] == '+' || arg
[0] == '-') && arg
[1] == '\0'))
930 set_default_source_symtab_and_line ();
931 cursal
= get_current_source_symtab_and_line ();
933 /* If this is the first "list" since we've set the current
934 source line, center the listing around that line. */
935 if (get_first_line_listed () == 0)
939 first
= std::max (cursal
.line
- get_lines_to_list () / 2, 1);
941 /* A small special case --- if listing backwards, and we
942 should list only one line, list the preceding line,
943 instead of the exact line we've just shown after e.g.,
944 stopping for a breakpoint. */
945 if (arg
!= NULL
&& arg
[0] == '-'
946 && get_lines_to_list () == 1 && first
> 1)
949 print_source_lines (cursal
.symtab
, first
,
950 first
+ get_lines_to_list (), 0);
953 /* "l" or "l +" lists next ten lines. */
954 else if (arg
== NULL
|| arg
[0] == '+')
955 print_source_lines (cursal
.symtab
, cursal
.line
,
956 cursal
.line
+ get_lines_to_list (), 0);
958 /* "l -" lists previous ten lines, the ones before the ten just
960 else if (arg
[0] == '-')
962 if (get_first_line_listed () == 1)
963 error (_("Already at the start of %s."),
964 symtab_to_filename_for_display (cursal
.symtab
));
965 print_source_lines (cursal
.symtab
,
966 std::max (get_first_line_listed ()
967 - get_lines_to_list (), 1),
968 get_first_line_listed (), 0);
974 /* Now if there is only one argument, decode it in SAL
976 If there are two arguments, decode them in SAL and SAL_END
977 and clear NO_END; however, if one of the arguments is blank,
978 set DUMMY_BEG or DUMMY_END to record that fact. */
980 if (!have_full_symbols () && !have_partial_symbols ())
981 error (_("No symbol table is loaded. Use the \"file\" command."));
988 struct event_location
*location
;
990 location
= string_to_event_location (&arg1
, current_language
);
991 make_cleanup_delete_event_location (location
);
992 sals
= decode_line_1 (location
, DECODE_LINE_LIST_MODE
, NULL
, NULL
, 0);
998 do_cleanups (cleanup
);
1003 ambiguous_line_spec (&sals
);
1005 do_cleanups (cleanup
);
1013 /* Record whether the BEG arg is all digits. */
1015 for (p
= arg
; p
!= arg1
&& *p
>= '0' && *p
<= '9'; p
++);
1016 linenum_beg
= (p
== arg1
);
1018 while (*arg1
== ' ' || *arg1
== '\t')
1024 while (*arg1
== ' ' || *arg1
== '\t')
1030 struct event_location
*location
;
1032 location
= string_to_event_location (&arg1
, current_language
);
1033 make_cleanup_delete_event_location (location
);
1035 sals_end
= decode_line_1 (location
,
1036 DECODE_LINE_LIST_MODE
, NULL
, NULL
, 0);
1038 sals_end
= decode_line_1 (location
, DECODE_LINE_LIST_MODE
,
1039 NULL
, sal
.symtab
, sal
.line
);
1041 filter_sals (&sals_end
);
1042 if (sals_end
.nelts
== 0)
1044 do_cleanups (cleanup
);
1047 if (sals_end
.nelts
> 1)
1049 ambiguous_line_spec (&sals_end
);
1050 xfree (sals_end
.sals
);
1051 do_cleanups (cleanup
);
1054 sal_end
= sals_end
.sals
[0];
1055 xfree (sals_end
.sals
);
1060 error (_("Junk at end of line specification."));
1062 if (!no_end
&& !dummy_beg
&& !dummy_end
1063 && sal
.symtab
!= sal_end
.symtab
)
1064 error (_("Specified start and end are in different files."));
1065 if (dummy_beg
&& dummy_end
)
1066 error (_("Two empty args do not say what lines to list."));
1068 /* If line was specified by address,
1069 first print exactly which line, and which file.
1071 In this case, sal.symtab == 0 means address is outside of all
1072 known source files, not that user failed to give a filename. */
1075 struct gdbarch
*gdbarch
;
1077 if (sal
.symtab
== 0)
1078 error (_("No source file for address %s."),
1079 paddress (get_current_arch (), sal
.pc
));
1081 gdbarch
= get_objfile_arch (SYMTAB_OBJFILE (sal
.symtab
));
1082 sym
= find_pc_function (sal
.pc
);
1084 printf_filtered ("%s is in %s (%s:%d).\n",
1085 paddress (gdbarch
, sal
.pc
),
1086 SYMBOL_PRINT_NAME (sym
),
1087 symtab_to_filename_for_display (sal
.symtab
), sal
.line
);
1089 printf_filtered ("%s is at %s:%d.\n",
1090 paddress (gdbarch
, sal
.pc
),
1091 symtab_to_filename_for_display (sal
.symtab
), sal
.line
);
1094 /* If line was not specified by just a line number, and it does not
1095 imply a symtab, it must be an undebuggable symbol which means no
1098 if (!linenum_beg
&& sal
.symtab
== 0)
1099 error (_("No line number known for %s."), arg
);
1101 /* If this command is repeated with RET,
1102 turn it into the no-arg variant. */
1107 if (dummy_beg
&& sal_end
.symtab
== 0)
1108 error (_("No default source file yet. Do \"help list\"."));
1110 print_source_lines (sal_end
.symtab
,
1111 std::max (sal_end
.line
- (get_lines_to_list () - 1), 1),
1112 sal_end
.line
+ 1, 0);
1113 else if (sal
.symtab
== 0)
1114 error (_("No default source file yet. Do \"help list\"."));
1117 int first_line
= sal
.line
- get_lines_to_list () / 2;
1119 if (first_line
< 1) first_line
= 1;
1121 print_source_lines (sal
.symtab
,
1123 first_line
+ get_lines_to_list (),
1127 print_source_lines (sal
.symtab
, sal
.line
,
1129 ? sal
.line
+ get_lines_to_list ()
1130 : sal_end
.line
+ 1),
1132 do_cleanups (cleanup
);
1135 /* Subroutine of disassemble_command to simplify it.
1136 Perform the disassembly.
1137 NAME is the name of the function if known, or NULL.
1138 [LOW,HIGH) are the range of addresses to disassemble.
1139 MIXED is non-zero to print source with the assembler. */
1142 print_disassembly (struct gdbarch
*gdbarch
, const char *name
,
1143 CORE_ADDR low
, CORE_ADDR high
, int flags
)
1146 if (!tui_is_window_visible (DISASSEM_WIN
))
1149 printf_filtered ("Dump of assembler code ");
1151 printf_filtered ("for function %s:\n", name
);
1153 printf_filtered ("from %s to %s:\n",
1154 paddress (gdbarch
, low
), paddress (gdbarch
, high
));
1156 /* Dump the specified range. */
1157 gdb_disassembly (gdbarch
, current_uiout
, flags
, -1, low
, high
);
1159 printf_filtered ("End of assembler dump.\n");
1160 gdb_flush (gdb_stdout
);
1165 tui_show_assembly (gdbarch
, low
);
1170 /* Subroutine of disassemble_command to simplify it.
1171 Print a disassembly of the current function according to FLAGS. */
1174 disassemble_current_function (int flags
)
1176 struct frame_info
*frame
;
1177 struct gdbarch
*gdbarch
;
1178 CORE_ADDR low
, high
, pc
;
1181 frame
= get_selected_frame (_("No frame selected."));
1182 gdbarch
= get_frame_arch (frame
);
1183 pc
= get_frame_address_in_block (frame
);
1184 if (find_pc_partial_function (pc
, &name
, &low
, &high
) == 0)
1185 error (_("No function contains program counter for selected frame."));
1187 /* NOTE: cagney/2003-02-13 The `tui_active' was previously
1190 /* FIXME: cagney/2004-02-07: This should be an observer. */
1191 low
= tui_get_low_disassembly_address (gdbarch
, low
, pc
);
1193 low
+= gdbarch_deprecated_function_start_offset (gdbarch
);
1195 print_disassembly (gdbarch
, name
, low
, high
, flags
);
1198 /* Dump a specified section of assembly code.
1202 - dump the assembly code for the function of the current pc
1203 disassemble [/mrs] addr
1204 - dump the assembly code for the function at ADDR
1205 disassemble [/mrs] low,high
1206 disassemble [/mrs] low,+length
1207 - dump the assembly code in the range [LOW,HIGH), or [LOW,LOW+length)
1209 A /m modifier will include source code with the assembly in a
1210 "source centric" view. This view lists only the file of the first insn,
1211 even if other source files are involved (e.g., inlined functions), and
1212 the output is in source order, even with optimized code. This view is
1213 considered deprecated as it hasn't been useful in practice.
1215 A /r modifier will include raw instructions in hex with the assembly.
1217 A /s modifier will include source code with the assembly, like /m, with
1218 two important differences:
1219 1) The output is still in pc address order.
1220 2) File names and contents for all relevant source files are displayed. */
1223 disassemble_command (char *arg
, int from_tty
)
1225 struct gdbarch
*gdbarch
= get_current_arch ();
1226 CORE_ADDR low
, high
;
1241 error (_("Missing modifier."));
1243 while (*p
&& ! isspace (*p
))
1248 flags
|= DISASSEMBLY_SOURCE_DEPRECATED
;
1251 flags
|= DISASSEMBLY_RAW_INSN
;
1254 flags
|= DISASSEMBLY_SOURCE
;
1257 error (_("Invalid disassembly modifier."));
1261 p
= skip_spaces_const (p
);
1264 if ((flags
& (DISASSEMBLY_SOURCE_DEPRECATED
| DISASSEMBLY_SOURCE
))
1265 == (DISASSEMBLY_SOURCE_DEPRECATED
| DISASSEMBLY_SOURCE
))
1266 error (_("Cannot specify both /m and /s."));
1270 flags
|= DISASSEMBLY_OMIT_FNAME
;
1271 disassemble_current_function (flags
);
1275 pc
= value_as_address (parse_to_comma_and_eval (&p
));
1281 if (find_pc_partial_function (pc
, &name
, &low
, &high
) == 0)
1282 error (_("No function contains specified address."));
1284 /* NOTE: cagney/2003-02-13 The `tui_active' was previously
1287 /* FIXME: cagney/2004-02-07: This should be an observer. */
1288 low
= tui_get_low_disassembly_address (gdbarch
, low
, pc
);
1290 low
+= gdbarch_deprecated_function_start_offset (gdbarch
);
1291 flags
|= DISASSEMBLY_OMIT_FNAME
;
1295 /* Two arguments. */
1298 p
= skip_spaces_const (p
);
1304 high
= parse_and_eval_address (p
);
1309 print_disassembly (gdbarch
, name
, low
, high
, flags
);
1313 make_command (char *arg
, int from_tty
)
1316 shell_escape ("make", from_tty
);
1319 std::string cmd
= std::string ("make ") + arg
;
1321 shell_escape (cmd
.c_str (), from_tty
);
1326 show_user (char *args
, int from_tty
)
1328 struct cmd_list_element
*c
;
1329 extern struct cmd_list_element
*cmdlist
;
1333 const char *comname
= args
;
1335 c
= lookup_cmd (&comname
, cmdlist
, "", 0, 1);
1336 if (!cli_user_command_p (c
))
1337 error (_("Not a user command."));
1338 show_user_1 (c
, "", args
, gdb_stdout
);
1342 for (c
= cmdlist
; c
; c
= c
->next
)
1344 if (cli_user_command_p (c
) || c
->prefixlist
!= NULL
)
1345 show_user_1 (c
, "", c
->name
, gdb_stdout
);
1350 /* Search through names of commands and documentations for a certain
1351 regular expression. */
1354 apropos_command (char *searchstr
, int from_tty
)
1359 if (searchstr
== NULL
)
1360 error (_("REGEXP string is empty"));
1362 code
= regcomp (&pattern
, searchstr
, REG_ICASE
);
1365 struct cleanup
*cleanups
;
1367 cleanups
= make_regfree_cleanup (&pattern
);
1368 apropos_cmd (gdb_stdout
, cmdlist
, &pattern
, "");
1369 do_cleanups (cleanups
);
1373 char *err
= get_regcomp_error (code
, &pattern
);
1375 make_cleanup (xfree
, err
);
1376 error (_("Error in regular expression: %s"), err
);
1380 /* Subroutine of alias_command to simplify it.
1381 Return the first N elements of ARGV flattened back to a string
1382 with a space separating each element.
1383 ARGV may not be NULL.
1384 This does not take care of quoting elements in case they contain spaces
1388 argv_to_string (char **argv
, int n
)
1393 gdb_assert (argv
!= NULL
);
1394 gdb_assert (n
>= 0 && n
<= countargv (argv
));
1396 for (i
= 0; i
< n
; ++i
)
1406 /* Subroutine of alias_command to simplify it.
1407 Return TRUE if COMMAND exists, unambiguously. Otherwise FALSE. */
1410 valid_command_p (const char *command
)
1412 struct cmd_list_element
*c
;
1414 c
= lookup_cmd_1 (& command
, cmdlist
, NULL
, 1);
1416 if (c
== NULL
|| c
== (struct cmd_list_element
*) -1)
1419 /* This is the slightly tricky part.
1420 lookup_cmd_1 will return a pointer to the last part of COMMAND
1421 to match, leaving COMMAND pointing at the remainder. */
1422 while (*command
== ' ' || *command
== '\t')
1424 return *command
== '\0';
1427 /* Called when "alias" was incorrectly used. */
1430 alias_usage_error (void)
1432 error (_("Usage: alias [-a] [--] ALIAS = COMMAND"));
1435 /* Make an alias of an existing command. */
1438 alias_command (char *args
, int from_tty
)
1440 int i
, alias_argc
, command_argc
;
1441 int abbrev_flag
= 0;
1442 char *args2
, *equals
;
1443 const char *alias
, *command
;
1444 char **alias_argv
, **command_argv
;
1445 struct cleanup
*cleanup
;
1447 if (args
== NULL
|| strchr (args
, '=') == NULL
)
1448 alias_usage_error ();
1450 args2
= xstrdup (args
);
1451 cleanup
= make_cleanup (xfree
, args2
);
1452 equals
= strchr (args2
, '=');
1454 alias_argv
= gdb_buildargv (args2
);
1455 make_cleanup_freeargv (alias_argv
);
1456 command_argv
= gdb_buildargv (equals
+ 1);
1457 make_cleanup_freeargv (command_argv
);
1459 for (i
= 0; alias_argv
[i
] != NULL
; )
1461 if (strcmp (alias_argv
[i
], "-a") == 0)
1466 else if (strcmp (alias_argv
[i
], "--") == 0)
1475 if (alias_argv
[0] == NULL
|| command_argv
[0] == NULL
1476 || *alias_argv
[0] == '\0' || *command_argv
[0] == '\0')
1477 alias_usage_error ();
1479 for (i
= 0; alias_argv
[i
] != NULL
; ++i
)
1481 if (! valid_user_defined_cmd_name_p (alias_argv
[i
]))
1484 error (_("Invalid command name: %s"), alias_argv
[i
]);
1486 error (_("Invalid command element name: %s"), alias_argv
[i
]);
1490 alias_argc
= countargv (alias_argv
);
1491 command_argc
= countargv (command_argv
);
1493 /* COMMAND must exist.
1494 Reconstruct the command to remove any extraneous spaces,
1495 for better error messages. */
1496 std::string
command_string (argv_to_string (command_argv
, command_argc
));
1497 command
= command_string
.c_str ();
1498 if (! valid_command_p (command
))
1499 error (_("Invalid command to alias to: %s"), command
);
1501 /* ALIAS must not exist. */
1502 std::string
alias_string (argv_to_string (alias_argv
, alias_argc
));
1503 alias
= alias_string
.c_str ();
1504 if (valid_command_p (alias
))
1505 error (_("Alias already exists: %s"), alias
);
1507 /* If ALIAS is one word, it is an alias for the entire COMMAND.
1508 Example: alias spe = set print elements
1510 Otherwise ALIAS and COMMAND must have the same number of words,
1511 and every word except the last must match; and the last word of
1512 ALIAS is made an alias of the last word of COMMAND.
1513 Example: alias set print elms = set pr elem
1514 Note that unambiguous abbreviations are allowed. */
1516 if (alias_argc
== 1)
1518 /* add_cmd requires *we* allocate space for name, hence the xstrdup. */
1519 add_com_alias (xstrdup (alias_argv
[0]), command
, class_alias
,
1524 const char *alias_prefix
, *command_prefix
;
1525 struct cmd_list_element
*c_alias
, *c_command
;
1527 if (alias_argc
!= command_argc
)
1528 error (_("Mismatched command length between ALIAS and COMMAND."));
1530 /* Create copies of ALIAS and COMMAND without the last word,
1531 and use that to verify the leading elements match. */
1532 std::string
alias_prefix_string (argv_to_string (alias_argv
,
1534 std::string
command_prefix_string (argv_to_string (alias_argv
,
1536 alias_prefix
= alias_prefix_string
.c_str ();
1537 command_prefix
= command_prefix_string
.c_str ();
1539 c_command
= lookup_cmd_1 (& command_prefix
, cmdlist
, NULL
, 1);
1540 /* We've already tried to look up COMMAND. */
1541 gdb_assert (c_command
!= NULL
1542 && c_command
!= (struct cmd_list_element
*) -1);
1543 gdb_assert (c_command
->prefixlist
!= NULL
);
1544 c_alias
= lookup_cmd_1 (& alias_prefix
, cmdlist
, NULL
, 1);
1545 if (c_alias
!= c_command
)
1546 error (_("ALIAS and COMMAND prefixes do not match."));
1548 /* add_cmd requires *we* allocate space for name, hence the xstrdup. */
1549 add_alias_cmd (xstrdup (alias_argv
[alias_argc
- 1]),
1550 command_argv
[command_argc
- 1],
1551 class_alias
, abbrev_flag
, c_command
->prefixlist
);
1554 do_cleanups (cleanup
);
1557 /* Print a list of files and line numbers which a user may choose from
1558 in order to list a function which was specified ambiguously (as
1559 with `list classname::overloadedfuncname', for example). The
1560 vector in SALS provides the filenames and line numbers. */
1563 ambiguous_line_spec (struct symtabs_and_lines
*sals
)
1567 for (i
= 0; i
< sals
->nelts
; ++i
)
1568 printf_filtered (_("file: \"%s\", line number: %d\n"),
1569 symtab_to_filename_for_display (sals
->sals
[i
].symtab
),
1570 sals
->sals
[i
].line
);
1573 /* Sort function for filter_sals. */
1576 compare_symtabs (const void *a
, const void *b
)
1578 const struct symtab_and_line
*sala
= (const struct symtab_and_line
*) a
;
1579 const struct symtab_and_line
*salb
= (const struct symtab_and_line
*) b
;
1580 const char *dira
= SYMTAB_DIRNAME (sala
->symtab
);
1581 const char *dirb
= SYMTAB_DIRNAME (salb
->symtab
);
1589 else if (dirb
== NULL
)
1596 r
= filename_cmp (dira
, dirb
);
1601 r
= filename_cmp (sala
->symtab
->filename
, salb
->symtab
->filename
);
1605 if (sala
->line
< salb
->line
)
1607 return sala
->line
== salb
->line
? 0 : 1;
1610 /* Remove any SALs that do not match the current program space, or
1611 which appear to be "file:line" duplicates. */
1614 filter_sals (struct symtabs_and_lines
*sals
)
1619 for (i
= 0; i
< sals
->nelts
; ++i
)
1621 if (sals
->sals
[i
].pspace
== current_program_space
1622 && sals
->sals
[i
].symtab
!= NULL
)
1624 sals
->sals
[out
] = sals
->sals
[i
];
1630 qsort (sals
->sals
, sals
->nelts
, sizeof (struct symtab_and_line
),
1635 for (i
= 1; i
< sals
->nelts
; ++i
)
1637 if (compare_symtabs (&sals
->sals
[prev
], &sals
->sals
[i
]))
1639 /* Symtabs differ. */
1640 sals
->sals
[out
] = sals
->sals
[i
];
1646 if (sals
->nelts
== 0)
1656 set_debug (char *arg
, int from_tty
)
1658 printf_unfiltered (_("\"set debug\" must be followed by "
1659 "the name of a debug subcommand.\n"));
1660 help_list (setdebuglist
, "set debug ", all_commands
, gdb_stdout
);
1664 show_debug (char *args
, int from_tty
)
1666 cmd_show_list (showdebuglist
, from_tty
, "");
1670 init_cmd_lists (void)
1672 max_user_call_depth
= 1024;
1676 show_info_verbose (struct ui_file
*file
, int from_tty
,
1677 struct cmd_list_element
*c
,
1681 fprintf_filtered (file
,
1682 _("Verbose printing of informational messages is %s.\n"),
1685 fprintf_filtered (file
, _("Verbosity is %s.\n"), value
);
1689 show_history_expansion_p (struct ui_file
*file
, int from_tty
,
1690 struct cmd_list_element
*c
, const char *value
)
1692 fprintf_filtered (file
, _("History expansion on command input is %s.\n"),
1697 show_remote_debug (struct ui_file
*file
, int from_tty
,
1698 struct cmd_list_element
*c
, const char *value
)
1700 fprintf_filtered (file
, _("Debugging of remote protocol is %s.\n"),
1705 show_remote_timeout (struct ui_file
*file
, int from_tty
,
1706 struct cmd_list_element
*c
, const char *value
)
1708 fprintf_filtered (file
,
1709 _("Timeout limit to wait for target to respond is %s.\n"),
1714 show_max_user_call_depth (struct ui_file
*file
, int from_tty
,
1715 struct cmd_list_element
*c
, const char *value
)
1717 fprintf_filtered (file
,
1718 _("The max call depth for user-defined commands is %s.\n"),
1724 initialize_file_ftype _initialize_cli_cmds
;
1727 _initialize_cli_cmds (void)
1729 struct cmd_list_element
*c
;
1731 /* Define the classes of commands.
1732 They will appear in the help list in alphabetical order. */
1734 add_cmd ("internals", class_maintenance
, NULL
, _("\
1735 Maintenance commands.\n\
1736 Some gdb commands are provided just for use by gdb maintainers.\n\
1737 These commands are subject to frequent change, and may not be as\n\
1738 well documented as user commands."),
1740 add_cmd ("obscure", class_obscure
, NULL
, _("Obscure features."), &cmdlist
);
1741 add_cmd ("aliases", class_alias
, NULL
,
1742 _("Aliases of other commands."), &cmdlist
);
1743 add_cmd ("user-defined", class_user
, NULL
, _("\
1744 User-defined commands.\n\
1745 The commands in this class are those defined by the user.\n\
1746 Use the \"define\" command to define a command."), &cmdlist
);
1747 add_cmd ("support", class_support
, NULL
, _("Support facilities."), &cmdlist
);
1749 add_cmd ("status", class_info
, NULL
, _("Status inquiries."), &cmdlist
);
1750 add_cmd ("files", class_files
, NULL
, _("Specifying and examining files."),
1752 add_cmd ("breakpoints", class_breakpoint
, NULL
,
1753 _("Making program stop at certain points."), &cmdlist
);
1754 add_cmd ("data", class_vars
, NULL
, _("Examining data."), &cmdlist
);
1755 add_cmd ("stack", class_stack
, NULL
, _("\
1756 Examining the stack.\n\
1757 The stack is made up of stack frames. Gdb assigns numbers to stack frames\n\
1758 counting from zero for the innermost (currently executing) frame.\n\n\
1759 At any time gdb identifies one frame as the \"selected\" frame.\n\
1760 Variable lookups are done with respect to the selected frame.\n\
1761 When the program being debugged stops, gdb selects the innermost frame.\n\
1762 The commands below can be used to select other frames by number or address."),
1764 add_cmd ("running", class_run
, NULL
, _("Running the program."), &cmdlist
);
1766 /* Define general commands. */
1768 add_com ("pwd", class_files
, pwd_command
, _("\
1769 Print working directory. This is used for your program as well."));
1771 c
= add_cmd ("cd", class_files
, cd_command
, _("\
1772 Set working directory to DIR for debugger and program being debugged.\n\
1773 The change does not take effect for the program being debugged\n\
1774 until the next time it is started."), &cmdlist
);
1775 set_cmd_completer (c
, filename_completer
);
1777 add_com ("echo", class_support
, echo_command
, _("\
1778 Print a constant string. Give string as argument.\n\
1779 C escape sequences may be used in the argument.\n\
1780 No newline is added at the end of the argument;\n\
1781 use \"\\n\" if you want a newline to be printed.\n\
1782 Since leading and trailing whitespace are ignored in command arguments,\n\
1783 if you want to print some you must use \"\\\" before leading whitespace\n\
1784 to be printed or after trailing whitespace."));
1786 add_setshow_enum_cmd ("script-extension", class_support
,
1787 script_ext_enums
, &script_ext_mode
, _("\
1788 Set mode for script filename extension recognition."), _("\
1789 Show mode for script filename extension recognition."), _("\
1790 off == no filename extension recognition (all sourced files are GDB scripts)\n\
1791 soft == evaluate script according to filename extension, fallback to GDB script"
1793 strict == evaluate script according to filename extension, error if not supported"
1796 show_script_ext_mode
,
1797 &setlist
, &showlist
);
1799 add_com ("quit", class_support
, quit_command
, _("\
1801 Usage: quit [EXPR]\n\
1802 The optional expression EXPR, if present, is evaluated and the result\n\
1803 used as GDB's exit code. The default is zero."));
1804 c
= add_com ("help", class_support
, help_command
,
1805 _("Print list of commands."));
1806 set_cmd_completer (c
, command_completer
);
1807 add_com_alias ("q", "quit", class_support
, 1);
1808 add_com_alias ("h", "help", class_support
, 1);
1810 add_setshow_boolean_cmd ("verbose", class_support
, &info_verbose
, _("\
1811 Set verbosity."), _("\
1812 Show verbosity."), NULL
,
1815 &setlist
, &showlist
);
1817 add_prefix_cmd ("history", class_support
, set_history
,
1818 _("Generic command for setting command history parameters."),
1819 &sethistlist
, "set history ", 0, &setlist
);
1820 add_prefix_cmd ("history", class_support
, show_history
,
1821 _("Generic command for showing command history parameters."),
1822 &showhistlist
, "show history ", 0, &showlist
);
1824 add_setshow_boolean_cmd ("expansion", no_class
, &history_expansion_p
, _("\
1825 Set history expansion on command input."), _("\
1826 Show history expansion on command input."), _("\
1827 Without an argument, history expansion is enabled."),
1829 show_history_expansion_p
,
1830 &sethistlist
, &showhistlist
);
1832 add_prefix_cmd ("info", class_info
, info_command
, _("\
1833 Generic command for showing things about the program being debugged."),
1834 &infolist
, "info ", 0, &cmdlist
);
1835 add_com_alias ("i", "info", class_info
, 1);
1836 add_com_alias ("inf", "info", class_info
, 1);
1838 add_com ("complete", class_obscure
, complete_command
,
1839 _("List the completions for the rest of the line as a command."));
1841 add_prefix_cmd ("show", class_info
, show_command
, _("\
1842 Generic command for showing things about the debugger."),
1843 &showlist
, "show ", 0, &cmdlist
);
1844 /* Another way to get at the same thing. */
1845 add_info ("set", show_command
, _("Show all GDB settings."));
1847 add_cmd ("commands", no_set_class
, show_commands
, _("\
1848 Show the history of commands you typed.\n\
1849 You can supply a command number to start with, or a `+' to start after\n\
1850 the previous command number shown."),
1853 add_cmd ("version", no_set_class
, show_version
,
1854 _("Show what version of GDB this is."), &showlist
);
1856 add_cmd ("configuration", no_set_class
, show_configuration
,
1857 _("Show how GDB was configured at build time."), &showlist
);
1859 add_setshow_zinteger_cmd ("remote", no_class
, &remote_debug
, _("\
1860 Set debugging of remote protocol."), _("\
1861 Show debugging of remote protocol."), _("\
1862 When enabled, each packet sent or received with the remote target\n\
1866 &setdebuglist
, &showdebuglist
);
1868 add_setshow_zuinteger_unlimited_cmd ("remotetimeout", no_class
,
1869 &remote_timeout
, _("\
1870 Set timeout limit to wait for target to respond."), _("\
1871 Show timeout limit to wait for target to respond."), _("\
1872 This value is used to set the time limit for gdb to wait for a response\n\
1875 show_remote_timeout
,
1876 &setlist
, &showlist
);
1878 add_prefix_cmd ("debug", no_class
, set_debug
,
1879 _("Generic command for setting gdb debugging flags"),
1880 &setdebuglist
, "set debug ", 0, &setlist
);
1882 add_prefix_cmd ("debug", no_class
, show_debug
,
1883 _("Generic command for showing gdb debugging flags"),
1884 &showdebuglist
, "show debug ", 0, &showlist
);
1886 c
= add_com ("shell", class_support
, shell_command
, _("\
1887 Execute the rest of the line as a shell command.\n\
1888 With no arguments, run an inferior shell."));
1889 set_cmd_completer (c
, filename_completer
);
1891 c
= add_com ("edit", class_files
, edit_command
, _("\
1892 Edit specified file or function.\n\
1893 With no argument, edits file containing most recent line listed.\n\
1894 Editing targets can be specified in these ways:\n\
1895 FILE:LINENUM, to edit at that line in that file,\n\
1896 FUNCTION, to edit at the beginning of that function,\n\
1897 FILE:FUNCTION, to distinguish among like-named static functions.\n\
1898 *ADDRESS, to edit at the line containing that address.\n\
1899 Uses EDITOR environment variable contents as editor (or ex as default)."));
1901 c
->completer
= location_completer
;
1903 add_com ("list", class_files
, list_command
, _("\
1904 List specified function or line.\n\
1905 With no argument, lists ten more lines after or around previous listing.\n\
1906 \"list -\" lists the ten lines before a previous ten-line listing.\n\
1907 One argument specifies a line, and ten lines are listed around that line.\n\
1908 Two arguments with comma between specify starting and ending lines to list.\n\
1909 Lines can be specified in these ways:\n\
1910 LINENUM, to list around that line in current file,\n\
1911 FILE:LINENUM, to list around that line in that file,\n\
1912 FUNCTION, to list around beginning of that function,\n\
1913 FILE:FUNCTION, to distinguish among like-named static functions.\n\
1914 *ADDRESS, to list around the line containing that address.\n\
1915 With two args, if one is empty, it stands for ten lines away from\n\
1918 By default, when a single location is given, display ten lines.\n\
1919 This can be changed using \"set listsize\", and the current value\n\
1920 can be shown using \"show listsize\"."));
1922 add_com_alias ("l", "list", class_files
, 1);
1925 add_com_alias ("file", "list", class_files
, 1);
1927 c
= add_com ("disassemble", class_vars
, disassemble_command
, _("\
1928 Disassemble a specified section of memory.\n\
1929 Default is the function surrounding the pc of the selected frame.\n\
1931 With a /m modifier, source lines are included (if available).\n\
1932 This view is \"source centric\": the output is in source line order,\n\
1933 regardless of any optimization that is present. Only the main source file\n\
1934 is displayed, not those of, e.g., any inlined functions.\n\
1935 This modifier hasn't proved useful in practice and is deprecated\n\
1938 With a /s modifier, source lines are included (if available).\n\
1939 This differs from /m in two important respects:\n\
1940 - the output is still in pc address order, and\n\
1941 - file names and contents for all relevant source files are displayed.\n\
1943 With a /r modifier, raw instructions in hex are included.\n\
1945 With a single argument, the function surrounding that address is dumped.\n\
1946 Two arguments (separated by a comma) are taken as a range of memory to dump,\n\
1947 in the form of \"start,end\", or \"start,+length\".\n\
1949 Note that the address is interpreted as an expression, not as a location\n\
1950 like in the \"break\" command.\n\
1951 So, for example, if you want to disassemble function bar in file foo.c\n\
1952 you must type \"disassemble 'foo.c'::bar\" and not \"disassemble foo.c:bar\"."));
1953 set_cmd_completer (c
, location_completer
);
1955 add_com_alias ("!", "shell", class_support
, 0);
1957 c
= add_com ("make", class_support
, make_command
, _("\
1958 Run the ``make'' program using the rest of the line as arguments."));
1959 set_cmd_completer (c
, filename_completer
);
1960 add_cmd ("user", no_class
, show_user
, _("\
1961 Show definitions of non-python/scheme user defined commands.\n\
1962 Argument is the name of the user defined command.\n\
1963 With no argument, show definitions of all user defined commands."), &showlist
);
1964 add_com ("apropos", class_support
, apropos_command
,
1965 _("Search for commands matching a REGEXP"));
1967 add_setshow_uinteger_cmd ("max-user-call-depth", no_class
,
1968 &max_user_call_depth
, _("\
1969 Set the max call depth for non-python/scheme user-defined commands."), _("\
1970 Show the max call depth for non-python/scheme user-defined commands."), NULL
,
1972 show_max_user_call_depth
,
1973 &setlist
, &showlist
);
1975 add_setshow_boolean_cmd ("trace-commands", no_class
, &trace_commands
, _("\
1976 Set tracing of GDB CLI commands."), _("\
1977 Show state of GDB CLI command tracing."), _("\
1978 When 'on', each command is displayed as it is executed."),
1981 &setlist
, &showlist
);
1983 c
= add_com ("alias", class_support
, alias_command
, _("\
1984 Define a new command that is an alias of an existing command.\n\
1985 Usage: alias [-a] [--] ALIAS = COMMAND\n\
1986 ALIAS is the name of the alias command to create.\n\
1987 COMMAND is the command being aliased to.\n\
1988 If \"-a\" is specified, the command is an abbreviation,\n\
1989 and will not appear in help command list output.\n\
1992 Make \"spe\" an alias of \"set print elements\":\n\
1993 alias spe = set print elements\n\
1994 Make \"elms\" an alias of \"elements\" in the \"set print\" command:\n\
1995 alias -a set print elms = set print elements"));
1999 init_cli_cmds (void)
2001 struct cmd_list_element
*c
;
2002 char *source_help_text
;
2004 source_help_text
= xstrprintf (_("\
2005 Read commands from a file named FILE.\n\
2007 Usage: source [-s] [-v] FILE\n\
2008 -s: search for the script in the source search path,\n\
2009 even if FILE contains directories.\n\
2010 -v: each command in FILE is echoed as it is executed.\n\
2012 Note that the file \"%s\" is read automatically in this way\n\
2013 when GDB is started."), gdbinit
);
2014 c
= add_cmd ("source", class_support
, source_command
,
2015 source_help_text
, &cmdlist
);
2016 set_cmd_completer (c
, filename_completer
);