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 print_sal_location (const symtab_and_line
&sal
);
95 static void ambiguous_line_spec (gdb::array_view
<const symtab_and_line
> sals
,
96 const char *format
, ...)
97 ATTRIBUTE_PRINTF (2, 3);
99 static void filter_sals (std::vector
<symtab_and_line
> &);
102 /* Limit the call depth of user-defined commands */
103 unsigned int max_user_call_depth
;
105 /* Define all cmd_list_elements. */
107 /* Chain containing all defined commands. */
109 struct cmd_list_element
*cmdlist
;
111 /* Chain containing all defined info subcommands. */
113 struct cmd_list_element
*infolist
;
115 /* Chain containing all defined enable subcommands. */
117 struct cmd_list_element
*enablelist
;
119 /* Chain containing all defined disable subcommands. */
121 struct cmd_list_element
*disablelist
;
123 /* Chain containing all defined stop subcommands. */
125 struct cmd_list_element
*stoplist
;
127 /* Chain containing all defined delete subcommands. */
129 struct cmd_list_element
*deletelist
;
131 /* Chain containing all defined detach subcommands. */
133 struct cmd_list_element
*detachlist
;
135 /* Chain containing all defined kill subcommands. */
137 struct cmd_list_element
*killlist
;
139 /* Chain containing all defined set subcommands */
141 struct cmd_list_element
*setlist
;
143 /* Chain containing all defined unset subcommands */
145 struct cmd_list_element
*unsetlist
;
147 /* Chain containing all defined show subcommands. */
149 struct cmd_list_element
*showlist
;
151 /* Chain containing all defined \"set history\". */
153 struct cmd_list_element
*sethistlist
;
155 /* Chain containing all defined \"show history\". */
157 struct cmd_list_element
*showhistlist
;
159 /* Chain containing all defined \"unset history\". */
161 struct cmd_list_element
*unsethistlist
;
163 /* Chain containing all defined maintenance subcommands. */
165 struct cmd_list_element
*maintenancelist
;
167 /* Chain containing all defined "maintenance info" subcommands. */
169 struct cmd_list_element
*maintenanceinfolist
;
171 /* Chain containing all defined "maintenance print" subcommands. */
173 struct cmd_list_element
*maintenanceprintlist
;
175 /* Chain containing all defined "maintenance check" subcommands. */
177 struct cmd_list_element
*maintenancechecklist
;
179 struct cmd_list_element
*setprintlist
;
181 struct cmd_list_element
*showprintlist
;
183 struct cmd_list_element
*setdebuglist
;
185 struct cmd_list_element
*showdebuglist
;
187 struct cmd_list_element
*setchecklist
;
189 struct cmd_list_element
*showchecklist
;
191 /* Command tracing state. */
193 int source_verbose
= 0;
194 int trace_commands
= 0;
196 /* 'script-extension' option support. */
198 static const char script_ext_off
[] = "off";
199 static const char script_ext_soft
[] = "soft";
200 static const char script_ext_strict
[] = "strict";
202 static const char *const script_ext_enums
[] = {
209 static const char *script_ext_mode
= script_ext_soft
;
211 /* Utility used everywhere when at least one argument is needed and
215 error_no_arg (const char *why
)
217 error (_("Argument required (%s)."), why
);
220 /* The "info" command is defined as a prefix, with allow_unknown = 0.
221 Therefore, its own definition is called only for "info" with no
225 info_command (char *arg
, int from_tty
)
227 printf_unfiltered (_("\"info\" must be followed by "
228 "the name of an info command.\n"));
229 help_list (infolist
, "info ", all_commands
, gdb_stdout
);
232 /* The "show" command with no arguments shows all the settings. */
235 show_command (char *arg
, int from_tty
)
237 cmd_show_list (showlist
, from_tty
, "");
240 /* Provide documentation on command or list given by COMMAND. FROM_TTY
244 help_command (char *command
, int from_tty
)
246 help_cmd (command
, gdb_stdout
);
250 /* Note: The "complete" command is used by Emacs to implement completion.
251 [Is that why this function writes output with *_unfiltered?] */
254 complete_command (char *arg_entry
, int from_tty
)
256 const char *arg
= arg_entry
;
260 if (max_completions
== 0)
262 /* Only print this for non-mi frontends. An MI frontend may not
263 be able to handle this. */
264 if (!current_uiout
->is_mi_like_p ())
266 printf_unfiltered (_("max-completions is zero,"
267 " completion is disabled.\n"));
275 completion_tracker tracker_handle_brkchars
;
276 completion_tracker tracker_handle_completions
;
277 completion_tracker
*tracker
;
279 int quote_char
= '\0';
284 word
= completion_find_completion_word (tracker_handle_brkchars
,
287 /* Completers that provide a custom word point in the
288 handle_brkchars phase also compute their completions then.
289 Completers that leave the completion word handling to readline
290 must be called twice. */
291 if (tracker_handle_brkchars
.use_custom_word_point ())
292 tracker
= &tracker_handle_brkchars
;
295 complete_line (tracker_handle_completions
, word
, arg
, strlen (arg
));
296 tracker
= &tracker_handle_completions
;
299 CATCH (ex
, RETURN_MASK_ALL
)
304 std::string
arg_prefix (arg
, word
- arg
);
306 completion_result result
307 = tracker
->build_completion_result (word
, word
- arg
, strlen (arg
));
309 if (result
.number_matches
!= 0)
311 if (result
.number_matches
== 1)
312 printf_unfiltered ("%s%s\n", arg_prefix
.c_str (), result
.match_list
[0]);
315 result
.sort_match_list ();
317 for (size_t i
= 0; i
< result
.number_matches
; i
++)
319 printf_unfiltered ("%s%s",
321 result
.match_list
[i
+ 1]);
323 printf_unfiltered ("%c", quote_char
);
324 printf_unfiltered ("\n");
328 if (result
.number_matches
== max_completions
)
330 /* ARG_PREFIX and WORD are included in the output so that emacs
331 will include the message in the output. */
332 printf_unfiltered (_("%s%s %s\n"),
333 arg_prefix
.c_str (), word
,
334 get_max_completions_reached_message ());
340 is_complete_command (struct cmd_list_element
*c
)
342 return cmd_cfunc_eq (c
, complete_command
);
346 show_version (char *args
, int from_tty
)
348 print_gdb_version (gdb_stdout
);
349 printf_filtered ("\n");
353 show_configuration (char *args
, int from_tty
)
355 print_gdb_configuration (gdb_stdout
);
358 /* Handle the quit command. */
361 quit_command (char *args
, int from_tty
)
365 /* An optional expression may be used to cause gdb to terminate with
366 the value of that expression. */
369 struct value
*val
= parse_and_eval (args
);
371 exit_code
= (int) value_as_long (val
);
374 if (!quit_confirm ())
375 error (_("Not confirmed."));
377 query_if_trace_running (from_tty
);
379 quit_force (args
? &exit_code
: NULL
, from_tty
);
383 pwd_command (char *args
, int from_tty
)
386 error (_("The \"pwd\" command does not take an argument: %s"), args
);
388 gdb::unique_xmalloc_ptr
<char> cwd (getcwd (NULL
, 0));
391 error (_("Error finding name of working directory: %s"),
392 safe_strerror (errno
));
394 if (strcmp (cwd
.get (), current_directory
) != 0)
395 printf_unfiltered (_("Working directory %s\n (canonically %s).\n"),
396 current_directory
, cwd
.get ());
398 printf_unfiltered (_("Working directory %s.\n"), current_directory
);
402 cd_command (char *dir
, int from_tty
)
405 /* Found something other than leading repetitions of "/..". */
409 /* If the new directory is absolute, repeat is a no-op; if relative,
410 repeat might be useful but is more likely to be a mistake. */
413 gdb::unique_xmalloc_ptr
<char> dir_holder
414 (tilde_expand (dir
!= NULL
? dir
: "~"));
415 dir
= dir_holder
.get ();
418 perror_with_name (dir
);
420 #ifdef HAVE_DOS_BASED_FILE_SYSTEM
421 /* There's too much mess with DOSish names like "d:", "d:.",
422 "d:./foo" etc. Instead of having lots of special #ifdef'ed code,
423 simply get the canonicalized name of the current directory. */
424 gdb::unique_xmalloc_ptr
<char> cwd (getcwd (NULL
, 0));
429 if (IS_DIR_SEPARATOR (dir
[len
- 1]))
431 /* Remove the trailing slash unless this is a root directory
432 (including a drive letter on non-Unix systems). */
433 if (!(len
== 1) /* "/" */
434 #ifdef HAVE_DOS_BASED_FILE_SYSTEM
435 && !(len
== 3 && dir
[1] == ':') /* "d:/" */
441 dir_holder
.reset (savestring (dir
, len
));
442 if (IS_ABSOLUTE_PATH (dir_holder
.get ()))
444 xfree (current_directory
);
445 current_directory
= dir_holder
.release ();
449 if (IS_DIR_SEPARATOR (current_directory
[strlen (current_directory
) - 1]))
450 current_directory
= concat (current_directory
, dir_holder
.get (),
453 current_directory
= concat (current_directory
, SLASH_STRING
,
454 dir_holder
.get (), (char *) NULL
);
457 /* Now simplify any occurrences of `.' and `..' in the pathname. */
460 for (p
= current_directory
; *p
;)
462 if (IS_DIR_SEPARATOR (p
[0]) && p
[1] == '.'
463 && (p
[2] == 0 || IS_DIR_SEPARATOR (p
[2])))
464 memmove (p
, p
+ 2, strlen (p
+ 2) + 1);
465 else if (IS_DIR_SEPARATOR (p
[0]) && p
[1] == '.' && p
[2] == '.'
466 && (p
[3] == 0 || IS_DIR_SEPARATOR (p
[3])))
470 /* Search backwards for the directory just before the "/.."
471 and obliterate it and the "/..". */
474 while (q
!= current_directory
&& !IS_DIR_SEPARATOR (q
[-1]))
477 if (q
== current_directory
)
478 /* current_directory is
479 a relative pathname ("can't happen"--leave it alone). */
483 memmove (q
- 1, p
+ 3, strlen (p
+ 3) + 1);
488 /* We are dealing with leading repetitions of "/..", for
489 example "/../..", which is the Mach super-root. */
499 forget_cached_source_info ();
502 pwd_command ((char *) 0, 1);
505 /* Show the current value of the 'script-extension' option. */
508 show_script_ext_mode (struct ui_file
*file
, int from_tty
,
509 struct cmd_list_element
*c
, const char *value
)
511 fprintf_filtered (file
,
512 _("Script filename extension recognition is \"%s\".\n"),
516 /* Try to open SCRIPT_FILE.
517 If successful, the full path name is stored in *FULL_PATHP,
518 and the stream is returned.
519 If not successful, return NULL; errno is set for the last file
522 If SEARCH_PATH is non-zero, and the file isn't found in cwd,
523 search for it in the source search path. */
525 gdb::optional
<open_script
>
526 find_and_open_script (const char *script_file
, int search_path
)
529 int search_flags
= OPF_TRY_CWD_FIRST
| OPF_RETURN_REALPATH
;
530 gdb::optional
<open_script
> opened
;
532 gdb::unique_xmalloc_ptr
<char> file (tilde_expand (script_file
));
535 search_flags
|= OPF_SEARCH_IN_PATH
;
537 /* Search for and open 'file' on the search path used for source
538 files. Put the full location in *FULL_PATHP. */
540 fd
= openp (source_path
, search_flags
,
541 file
.get (), O_RDONLY
, &temp_path
);
542 gdb::unique_xmalloc_ptr
<char> full_path (temp_path
);
547 FILE *result
= fdopen (fd
, FOPEN_RT
);
550 int save_errno
= errno
;
556 opened
.emplace (gdb_file_up (result
), std::move (full_path
));
561 /* Load script FILE, which has already been opened as STREAM.
562 FILE_TO_OPEN is the form of FILE to use if one needs to open the file.
563 This is provided as FILE may have been found via the source search path.
564 An important thing to note here is that FILE may be a symlink to a file
565 with a different or non-existing suffix, and thus one cannot infer the
566 extension language from FILE_TO_OPEN. */
569 source_script_from_stream (FILE *stream
, const char *file
,
570 const char *file_to_open
)
572 if (script_ext_mode
!= script_ext_off
)
574 const struct extension_language_defn
*extlang
575 = get_ext_lang_of_file (file
);
579 if (ext_lang_present_p (extlang
))
581 script_sourcer_func
*sourcer
582 = ext_lang_script_sourcer (extlang
);
584 gdb_assert (sourcer
!= NULL
);
585 sourcer (extlang
, stream
, file_to_open
);
588 else if (script_ext_mode
== script_ext_soft
)
590 /* Assume the file is a gdb script.
591 This is handled below. */
594 throw_ext_lang_unsupported (extlang
);
598 script_from_file (stream
, file
);
601 /* Worker to perform the "source" command.
603 If SEARCH_PATH is non-zero, and the file isn't found in cwd,
604 search for it in the source search path. */
607 source_script_with_search (const char *file
, int from_tty
, int search_path
)
610 if (file
== NULL
|| *file
== 0)
611 error (_("source command requires file name of file to source."));
613 gdb::optional
<open_script
> opened
= find_and_open_script (file
, search_path
);
616 /* The script wasn't found, or was otherwise inaccessible.
617 If the source command was invoked interactively, throw an
618 error. Otherwise (e.g. if it was invoked by a script),
619 just emit a warning, rather than cause an error. */
621 perror_with_name (file
);
624 perror_warning_with_name (file
);
629 /* The python support reopens the file, so we need to pass full_path here
630 in case the file was found on the search path. It's useful to do this
631 anyway so that error messages show the actual file used. But only do
632 this if we (may have) used search_path, as printing the full path in
633 errors for the non-search case can be more noise than signal. */
634 source_script_from_stream (opened
->stream
.get (), file
,
635 search_path
? opened
->full_path
.get () : file
);
638 /* Wrapper around source_script_with_search to export it to main.c
639 for use in loading .gdbinit scripts. */
642 source_script (const char *file
, int from_tty
)
644 source_script_with_search (file
, from_tty
, 0);
648 source_command (char *args
, int from_tty
)
653 scoped_restore save_source_verbose
= make_scoped_restore (&source_verbose
);
655 /* -v causes the source command to run in verbose mode.
656 -s causes the file to be searched in the source search path,
657 even if the file name contains a '/'.
658 We still have to be able to handle filenames with spaces in a
659 backward compatible way, so buildargv is not appropriate. */
663 while (args
[0] != '\0')
665 /* Make sure leading white space does not break the
667 args
= skip_spaces (args
);
672 if (args
[1] == 'v' && isspace (args
[2]))
676 /* Skip passed -v. */
679 else if (args
[1] == 's' && isspace (args
[2]))
683 /* Skip passed -s. */
690 file
= skip_spaces (args
);
693 source_script_with_search (file
, from_tty
, search_path
);
698 echo_command (char *text
, int from_tty
)
700 const char *p
= text
;
704 while ((c
= *p
++) != '\0')
708 /* \ at end of argument is used after spaces
709 so they won't be lost. */
713 c
= parse_escape (get_current_arch (), &p
);
715 printf_filtered ("%c", c
);
718 printf_filtered ("%c", c
);
721 /* Force this output to appear now. */
723 gdb_flush (gdb_stdout
);
727 shell_escape (const char *arg
, int from_tty
)
729 #if defined(CANT_FORK) || \
730 (!defined(HAVE_WORKING_VFORK) && !defined(HAVE_WORKING_FORK))
731 /* If ARG is NULL, they want an inferior shell, but `system' just
732 reports if the shell is available when passed a NULL arg. */
733 int rc
= system (arg
? arg
: "");
736 arg
= "inferior shell";
740 fprintf_unfiltered (gdb_stderr
, "Cannot execute %s: %s\n", arg
,
741 safe_strerror (errno
));
742 gdb_flush (gdb_stderr
);
746 fprintf_unfiltered (gdb_stderr
, "%s exited with status %d\n", arg
, rc
);
747 gdb_flush (gdb_stderr
);
750 /* Make sure to return to the directory GDB thinks it is, in case
751 the shell command we just ran changed it. */
752 chdir (current_directory
);
754 #else /* Can fork. */
757 if ((pid
= vfork ()) == 0)
759 const char *p
, *user_shell
;
763 if ((user_shell
= (char *) getenv ("SHELL")) == NULL
)
764 user_shell
= "/bin/sh";
766 /* Get the name of the shell for arg0. */
767 p
= lbasename (user_shell
);
770 execl (user_shell
, p
, (char *) 0);
772 execl (user_shell
, p
, "-c", arg
, (char *) 0);
774 fprintf_unfiltered (gdb_stderr
, "Cannot execute %s: %s\n", user_shell
,
775 safe_strerror (errno
));
776 gdb_flush (gdb_stderr
);
781 waitpid (pid
, &status
, 0);
783 error (_("Fork failed"));
784 #endif /* Can fork. */
787 /* Implementation of the "shell" command. */
790 shell_command (char *arg
, int from_tty
)
792 shell_escape (arg
, from_tty
);
796 edit_command (char *arg
, int from_tty
)
798 struct symtab_and_line sal
;
804 /* Pull in the current default source line if necessary. */
807 set_default_source_symtab_and_line ();
808 sal
= get_current_source_symtab_and_line ();
811 /* Bare "edit" edits file with present line. */
816 error (_("No default source file yet."));
817 sal
.line
+= get_lines_to_list () / 2;
823 /* Now should only be one argument -- decode it in SAL. */
825 event_location_up location
= string_to_event_location (&arg1
,
827 std::vector
<symtab_and_line
> sals
= decode_line_1 (location
.get (),
828 DECODE_LINE_LIST_MODE
,
837 if (sals
.size () > 1)
839 ambiguous_line_spec (sals
,
840 _("Specified line is ambiguous:\n"));
847 error (_("Junk at end of line specification."));
849 /* If line was specified by address, first print exactly which
850 line, and which file. In this case, sal.symtab == 0 means
851 address is outside of all known source files, not that user
852 failed to give a filename. */
855 struct gdbarch
*gdbarch
;
858 error (_("No source file for address %s."),
859 paddress (get_current_arch (), sal
.pc
));
861 gdbarch
= get_objfile_arch (SYMTAB_OBJFILE (sal
.symtab
));
862 sym
= find_pc_function (sal
.pc
);
864 printf_filtered ("%s is in %s (%s:%d).\n",
865 paddress (gdbarch
, sal
.pc
),
866 SYMBOL_PRINT_NAME (sym
),
867 symtab_to_filename_for_display (sal
.symtab
),
870 printf_filtered ("%s is at %s:%d.\n",
871 paddress (gdbarch
, sal
.pc
),
872 symtab_to_filename_for_display (sal
.symtab
),
876 /* If what was given does not imply a symtab, it must be an
877 undebuggable symbol which means no source code. */
880 error (_("No line number known for %s."), arg
);
883 if ((editor
= (char *) getenv ("EDITOR")) == NULL
)
886 fn
= symtab_to_fullname (sal
.symtab
);
888 /* Quote the file name, in case it has whitespace or other special
890 p
= xstrprintf ("%s +%d \"%s\"", editor
, sal
.line
, fn
);
891 shell_escape (p
, from_tty
);
896 list_command (char *arg
, int from_tty
)
906 /* Pull in the current default source line if necessary. */
907 if (arg
== NULL
|| ((arg
[0] == '+' || arg
[0] == '-') && arg
[1] == '\0'))
909 set_default_source_symtab_and_line ();
910 symtab_and_line cursal
= get_current_source_symtab_and_line ();
912 /* If this is the first "list" since we've set the current
913 source line, center the listing around that line. */
914 if (get_first_line_listed () == 0)
918 first
= std::max (cursal
.line
- get_lines_to_list () / 2, 1);
920 /* A small special case --- if listing backwards, and we
921 should list only one line, list the preceding line,
922 instead of the exact line we've just shown after e.g.,
923 stopping for a breakpoint. */
924 if (arg
!= NULL
&& arg
[0] == '-'
925 && get_lines_to_list () == 1 && first
> 1)
928 print_source_lines (cursal
.symtab
, first
,
929 first
+ get_lines_to_list (), 0);
932 /* "l" or "l +" lists next ten lines. */
933 else if (arg
== NULL
|| arg
[0] == '+')
934 print_source_lines (cursal
.symtab
, cursal
.line
,
935 cursal
.line
+ get_lines_to_list (), 0);
937 /* "l -" lists previous ten lines, the ones before the ten just
939 else if (arg
[0] == '-')
941 if (get_first_line_listed () == 1)
942 error (_("Already at the start of %s."),
943 symtab_to_filename_for_display (cursal
.symtab
));
944 print_source_lines (cursal
.symtab
,
945 std::max (get_first_line_listed ()
946 - get_lines_to_list (), 1),
947 get_first_line_listed (), 0);
953 /* Now if there is only one argument, decode it in SAL
955 If there are two arguments, decode them in SAL and SAL_END
956 and clear NO_END; however, if one of the arguments is blank,
957 set DUMMY_BEG or DUMMY_END to record that fact. */
959 if (!have_full_symbols () && !have_partial_symbols ())
960 error (_("No symbol table is loaded. Use the \"file\" command."));
962 std::vector
<symtab_and_line
> sals
;
963 symtab_and_line sal
, sal_end
;
970 event_location_up location
= string_to_event_location (&arg1
,
972 sals
= decode_line_1 (location
.get (), DECODE_LINE_LIST_MODE
,
984 /* Record whether the BEG arg is all digits. */
986 for (p
= arg
; p
!= arg1
&& *p
>= '0' && *p
<= '9'; p
++);
987 linenum_beg
= (p
== arg1
);
989 /* Save the range of the first argument, in case we need to let the
990 user know it was ambiguous. */
991 const char *beg
= arg
;
992 size_t beg_len
= arg1
- beg
;
994 while (*arg1
== ' ' || *arg1
== '\t')
999 if (sals
.size () > 1)
1001 ambiguous_line_spec (sals
,
1002 _("Specified first line '%.*s' is ambiguous:\n"),
1003 (int) beg_len
, beg
);
1007 while (*arg1
== ' ' || *arg1
== '\t')
1013 /* Save the last argument, in case we need to let the user
1014 know it was ambiguous. */
1015 const char *end_arg
= arg1
;
1017 event_location_up location
1018 = string_to_event_location (&arg1
, current_language
);
1020 std::vector
<symtab_and_line
> sals_end
1022 ? decode_line_1 (location
.get (), DECODE_LINE_LIST_MODE
,
1024 : decode_line_1 (location
.get (), DECODE_LINE_LIST_MODE
,
1025 NULL
, sal
.symtab
, sal
.line
));
1027 filter_sals (sals_end
);
1028 if (sals_end
.empty ())
1030 if (sals_end
.size () > 1)
1032 ambiguous_line_spec (sals_end
,
1033 _("Specified last line '%s' is ambiguous:\n"),
1037 sal_end
= sals_end
[0];
1042 error (_("Junk at end of line specification."));
1044 if (!no_end
&& !dummy_beg
&& !dummy_end
1045 && sal
.symtab
!= sal_end
.symtab
)
1046 error (_("Specified first and last lines are in different files."));
1047 if (dummy_beg
&& dummy_end
)
1048 error (_("Two empty args do not say what lines to list."));
1050 /* If line was specified by address,
1051 first print exactly which line, and which file.
1053 In this case, sal.symtab == 0 means address is outside of all
1054 known source files, not that user failed to give a filename. */
1057 struct gdbarch
*gdbarch
;
1059 if (sal
.symtab
== 0)
1060 error (_("No source file for address %s."),
1061 paddress (get_current_arch (), sal
.pc
));
1063 gdbarch
= get_objfile_arch (SYMTAB_OBJFILE (sal
.symtab
));
1064 sym
= find_pc_function (sal
.pc
);
1066 printf_filtered ("%s is in %s (%s:%d).\n",
1067 paddress (gdbarch
, sal
.pc
),
1068 SYMBOL_PRINT_NAME (sym
),
1069 symtab_to_filename_for_display (sal
.symtab
), sal
.line
);
1071 printf_filtered ("%s is at %s:%d.\n",
1072 paddress (gdbarch
, sal
.pc
),
1073 symtab_to_filename_for_display (sal
.symtab
), sal
.line
);
1076 /* If line was not specified by just a line number, and it does not
1077 imply a symtab, it must be an undebuggable symbol which means no
1080 if (!linenum_beg
&& sal
.symtab
== 0)
1081 error (_("No line number known for %s."), arg
);
1083 /* If this command is repeated with RET,
1084 turn it into the no-arg variant. */
1089 if (dummy_beg
&& sal_end
.symtab
== 0)
1090 error (_("No default source file yet. Do \"help list\"."));
1092 print_source_lines (sal_end
.symtab
,
1093 std::max (sal_end
.line
- (get_lines_to_list () - 1), 1),
1094 sal_end
.line
+ 1, 0);
1095 else if (sal
.symtab
== 0)
1096 error (_("No default source file yet. Do \"help list\"."));
1099 for (int i
= 0; i
< sals
.size (); i
++)
1102 int first_line
= sal
.line
- get_lines_to_list () / 2;
1105 if (sals
.size () > 1)
1106 print_sal_location (sal
);
1107 print_source_lines (sal
.symtab
,
1109 first_line
+ get_lines_to_list (),
1114 print_source_lines (sal
.symtab
, sal
.line
,
1116 ? sal
.line
+ get_lines_to_list ()
1117 : sal_end
.line
+ 1),
1121 /* Subroutine of disassemble_command to simplify it.
1122 Perform the disassembly.
1123 NAME is the name of the function if known, or NULL.
1124 [LOW,HIGH) are the range of addresses to disassemble.
1125 MIXED is non-zero to print source with the assembler. */
1128 print_disassembly (struct gdbarch
*gdbarch
, const char *name
,
1129 CORE_ADDR low
, CORE_ADDR high
,
1130 gdb_disassembly_flags flags
)
1133 if (!tui_is_window_visible (DISASSEM_WIN
))
1136 printf_filtered ("Dump of assembler code ");
1138 printf_filtered ("for function %s:\n", name
);
1140 printf_filtered ("from %s to %s:\n",
1141 paddress (gdbarch
, low
), paddress (gdbarch
, high
));
1143 /* Dump the specified range. */
1144 gdb_disassembly (gdbarch
, current_uiout
, flags
, -1, low
, high
);
1146 printf_filtered ("End of assembler dump.\n");
1147 gdb_flush (gdb_stdout
);
1152 tui_show_assembly (gdbarch
, low
);
1157 /* Subroutine of disassemble_command to simplify it.
1158 Print a disassembly of the current function according to FLAGS. */
1161 disassemble_current_function (gdb_disassembly_flags flags
)
1163 struct frame_info
*frame
;
1164 struct gdbarch
*gdbarch
;
1165 CORE_ADDR low
, high
, pc
;
1168 frame
= get_selected_frame (_("No frame selected."));
1169 gdbarch
= get_frame_arch (frame
);
1170 pc
= get_frame_address_in_block (frame
);
1171 if (find_pc_partial_function (pc
, &name
, &low
, &high
) == 0)
1172 error (_("No function contains program counter for selected frame."));
1174 /* NOTE: cagney/2003-02-13 The `tui_active' was previously
1177 /* FIXME: cagney/2004-02-07: This should be an observer. */
1178 low
= tui_get_low_disassembly_address (gdbarch
, low
, pc
);
1180 low
+= gdbarch_deprecated_function_start_offset (gdbarch
);
1182 print_disassembly (gdbarch
, name
, low
, high
, flags
);
1185 /* Dump a specified section of assembly code.
1189 - dump the assembly code for the function of the current pc
1190 disassemble [/mrs] addr
1191 - dump the assembly code for the function at ADDR
1192 disassemble [/mrs] low,high
1193 disassemble [/mrs] low,+length
1194 - dump the assembly code in the range [LOW,HIGH), or [LOW,LOW+length)
1196 A /m modifier will include source code with the assembly in a
1197 "source centric" view. This view lists only the file of the first insn,
1198 even if other source files are involved (e.g., inlined functions), and
1199 the output is in source order, even with optimized code. This view is
1200 considered deprecated as it hasn't been useful in practice.
1202 A /r modifier will include raw instructions in hex with the assembly.
1204 A /s modifier will include source code with the assembly, like /m, with
1205 two important differences:
1206 1) The output is still in pc address order.
1207 2) File names and contents for all relevant source files are displayed. */
1210 disassemble_command (char *arg
, int from_tty
)
1212 struct gdbarch
*gdbarch
= get_current_arch ();
1213 CORE_ADDR low
, high
;
1216 gdb_disassembly_flags flags
;
1228 error (_("Missing modifier."));
1230 while (*p
&& ! isspace (*p
))
1235 flags
|= DISASSEMBLY_SOURCE_DEPRECATED
;
1238 flags
|= DISASSEMBLY_RAW_INSN
;
1241 flags
|= DISASSEMBLY_SOURCE
;
1244 error (_("Invalid disassembly modifier."));
1248 p
= skip_spaces (p
);
1251 if ((flags
& (DISASSEMBLY_SOURCE_DEPRECATED
| DISASSEMBLY_SOURCE
))
1252 == (DISASSEMBLY_SOURCE_DEPRECATED
| DISASSEMBLY_SOURCE
))
1253 error (_("Cannot specify both /m and /s."));
1257 flags
|= DISASSEMBLY_OMIT_FNAME
;
1258 disassemble_current_function (flags
);
1262 pc
= value_as_address (parse_to_comma_and_eval (&p
));
1268 if (find_pc_partial_function (pc
, &name
, &low
, &high
) == 0)
1269 error (_("No function contains specified address."));
1271 /* NOTE: cagney/2003-02-13 The `tui_active' was previously
1274 /* FIXME: cagney/2004-02-07: This should be an observer. */
1275 low
= tui_get_low_disassembly_address (gdbarch
, low
, pc
);
1277 low
+= gdbarch_deprecated_function_start_offset (gdbarch
);
1278 flags
|= DISASSEMBLY_OMIT_FNAME
;
1282 /* Two arguments. */
1285 p
= skip_spaces (p
);
1291 high
= parse_and_eval_address (p
);
1296 print_disassembly (gdbarch
, name
, low
, high
, flags
);
1300 make_command (char *arg
, int from_tty
)
1303 shell_escape ("make", from_tty
);
1306 std::string cmd
= std::string ("make ") + arg
;
1308 shell_escape (cmd
.c_str (), from_tty
);
1313 show_user (char *args
, int from_tty
)
1315 struct cmd_list_element
*c
;
1316 extern struct cmd_list_element
*cmdlist
;
1320 const char *comname
= args
;
1322 c
= lookup_cmd (&comname
, cmdlist
, "", 0, 1);
1323 if (!cli_user_command_p (c
))
1324 error (_("Not a user command."));
1325 show_user_1 (c
, "", args
, gdb_stdout
);
1329 for (c
= cmdlist
; c
; c
= c
->next
)
1331 if (cli_user_command_p (c
) || c
->prefixlist
!= NULL
)
1332 show_user_1 (c
, "", c
->name
, gdb_stdout
);
1337 /* Search through names of commands and documentations for a certain
1338 regular expression. */
1341 apropos_command (char *searchstr
, int from_tty
)
1343 if (searchstr
== NULL
)
1344 error (_("REGEXP string is empty"));
1346 compiled_regex
pattern (searchstr
, REG_ICASE
,
1347 _("Error in regular expression"));
1349 apropos_cmd (gdb_stdout
, cmdlist
, pattern
, "");
1352 /* Subroutine of alias_command to simplify it.
1353 Return the first N elements of ARGV flattened back to a string
1354 with a space separating each element.
1355 ARGV may not be NULL.
1356 This does not take care of quoting elements in case they contain spaces
1360 argv_to_string (char **argv
, int n
)
1365 gdb_assert (argv
!= NULL
);
1366 gdb_assert (n
>= 0 && n
<= countargv (argv
));
1368 for (i
= 0; i
< n
; ++i
)
1378 /* Subroutine of alias_command to simplify it.
1379 Return TRUE if COMMAND exists, unambiguously. Otherwise FALSE. */
1382 valid_command_p (const char *command
)
1384 struct cmd_list_element
*c
;
1386 c
= lookup_cmd_1 (& command
, cmdlist
, NULL
, 1);
1388 if (c
== NULL
|| c
== (struct cmd_list_element
*) -1)
1391 /* This is the slightly tricky part.
1392 lookup_cmd_1 will return a pointer to the last part of COMMAND
1393 to match, leaving COMMAND pointing at the remainder. */
1394 while (*command
== ' ' || *command
== '\t')
1396 return *command
== '\0';
1399 /* Called when "alias" was incorrectly used. */
1402 alias_usage_error (void)
1404 error (_("Usage: alias [-a] [--] ALIAS = COMMAND"));
1407 /* Make an alias of an existing command. */
1410 alias_command (char *args
, int from_tty
)
1412 int i
, alias_argc
, command_argc
;
1413 int abbrev_flag
= 0;
1415 const char *alias
, *command
;
1417 if (args
== NULL
|| strchr (args
, '=') == NULL
)
1418 alias_usage_error ();
1420 equals
= strchr (args
, '=');
1421 std::string
args2 (args
, equals
- args
);
1423 gdb_argv
built_alias_argv (args2
.c_str ());
1424 gdb_argv
command_argv (equals
+ 1);
1426 char **alias_argv
= built_alias_argv
.get ();
1427 while (alias_argv
[0] != NULL
)
1429 if (strcmp (alias_argv
[0], "-a") == 0)
1434 else if (strcmp (alias_argv
[0], "--") == 0)
1443 if (alias_argv
[0] == NULL
|| command_argv
[0] == NULL
1444 || *alias_argv
[0] == '\0' || *command_argv
[0] == '\0')
1445 alias_usage_error ();
1447 for (i
= 0; alias_argv
[i
] != NULL
; ++i
)
1449 if (! valid_user_defined_cmd_name_p (alias_argv
[i
]))
1452 error (_("Invalid command name: %s"), alias_argv
[i
]);
1454 error (_("Invalid command element name: %s"), alias_argv
[i
]);
1458 alias_argc
= countargv (alias_argv
);
1459 command_argc
= command_argv
.count ();
1461 /* COMMAND must exist.
1462 Reconstruct the command to remove any extraneous spaces,
1463 for better error messages. */
1464 std::string
command_string (argv_to_string (command_argv
.get (),
1466 command
= command_string
.c_str ();
1467 if (! valid_command_p (command
))
1468 error (_("Invalid command to alias to: %s"), command
);
1470 /* ALIAS must not exist. */
1471 std::string
alias_string (argv_to_string (alias_argv
, alias_argc
));
1472 alias
= alias_string
.c_str ();
1473 if (valid_command_p (alias
))
1474 error (_("Alias already exists: %s"), alias
);
1476 /* If ALIAS is one word, it is an alias for the entire COMMAND.
1477 Example: alias spe = set print elements
1479 Otherwise ALIAS and COMMAND must have the same number of words,
1480 and every word except the last must match; and the last word of
1481 ALIAS is made an alias of the last word of COMMAND.
1482 Example: alias set print elms = set pr elem
1483 Note that unambiguous abbreviations are allowed. */
1485 if (alias_argc
== 1)
1487 /* add_cmd requires *we* allocate space for name, hence the xstrdup. */
1488 add_com_alias (xstrdup (alias_argv
[0]), command
, class_alias
,
1493 const char *alias_prefix
, *command_prefix
;
1494 struct cmd_list_element
*c_alias
, *c_command
;
1496 if (alias_argc
!= command_argc
)
1497 error (_("Mismatched command length between ALIAS and COMMAND."));
1499 /* Create copies of ALIAS and COMMAND without the last word,
1500 and use that to verify the leading elements match. */
1501 std::string
alias_prefix_string (argv_to_string (alias_argv
,
1503 std::string
command_prefix_string (argv_to_string (alias_argv
,
1505 alias_prefix
= alias_prefix_string
.c_str ();
1506 command_prefix
= command_prefix_string
.c_str ();
1508 c_command
= lookup_cmd_1 (& command_prefix
, cmdlist
, NULL
, 1);
1509 /* We've already tried to look up COMMAND. */
1510 gdb_assert (c_command
!= NULL
1511 && c_command
!= (struct cmd_list_element
*) -1);
1512 gdb_assert (c_command
->prefixlist
!= NULL
);
1513 c_alias
= lookup_cmd_1 (& alias_prefix
, cmdlist
, NULL
, 1);
1514 if (c_alias
!= c_command
)
1515 error (_("ALIAS and COMMAND prefixes do not match."));
1517 /* add_cmd requires *we* allocate space for name, hence the xstrdup. */
1518 add_alias_cmd (xstrdup (alias_argv
[alias_argc
- 1]),
1519 command_argv
[command_argc
- 1],
1520 class_alias
, abbrev_flag
, c_command
->prefixlist
);
1524 /* Print the file / line number / symbol name of the location
1525 specified by SAL. */
1528 print_sal_location (const symtab_and_line
&sal
)
1530 scoped_restore_current_program_space restore_pspace
;
1531 set_current_program_space (sal
.pspace
);
1533 const char *sym_name
= NULL
;
1534 if (sal
.symbol
!= NULL
)
1535 sym_name
= SYMBOL_PRINT_NAME (sal
.symbol
);
1536 printf_filtered (_("file: \"%s\", line number: %d, symbol: \"%s\"\n"),
1537 symtab_to_filename_for_display (sal
.symtab
),
1538 sal
.line
, sym_name
!= NULL
? sym_name
: "???");
1541 /* Print a list of files and line numbers which a user may choose from
1542 in order to list a function which was specified ambiguously (as
1543 with `list classname::overloadedfuncname', for example). The SALS
1544 array provides the filenames and line numbers. FORMAT is a
1545 printf-style format string used to tell the user what was
1549 ambiguous_line_spec (gdb::array_view
<const symtab_and_line
> sals
,
1550 const char *format
, ...)
1553 va_start (ap
, format
);
1554 vprintf_filtered (format
, ap
);
1557 for (const auto &sal
: sals
)
1558 print_sal_location (sal
);
1561 /* Comparison function for filter_sals. Returns a qsort-style
1565 cmp_symtabs (const symtab_and_line
&sala
, const symtab_and_line
&salb
)
1567 const char *dira
= SYMTAB_DIRNAME (sala
.symtab
);
1568 const char *dirb
= SYMTAB_DIRNAME (salb
.symtab
);
1576 else if (dirb
== NULL
)
1583 r
= filename_cmp (dira
, dirb
);
1588 r
= filename_cmp (sala
.symtab
->filename
, salb
.symtab
->filename
);
1592 if (sala
.line
< salb
.line
)
1594 return sala
.line
== salb
.line
? 0 : 1;
1597 /* Remove any SALs that do not match the current program space, or
1598 which appear to be "file:line" duplicates. */
1601 filter_sals (std::vector
<symtab_and_line
> &sals
)
1603 /* Remove SALs that do not match. */
1604 auto from
= std::remove_if (sals
.begin (), sals
.end (),
1605 [&] (const symtab_and_line
&sal
)
1606 { return (sal
.pspace
!= current_program_space
|| sal
.symtab
== NULL
); });
1609 std::sort (sals
.begin (), from
,
1610 [] (const symtab_and_line
&sala
, const symtab_and_line
&salb
)
1611 { return cmp_symtabs (sala
, salb
) < 0; });
1613 from
= std::unique (sals
.begin (), from
,
1614 [&] (const symtab_and_line
&sala
,
1615 const symtab_and_line
&salb
)
1616 { return cmp_symtabs (sala
, salb
) == 0; });
1618 sals
.erase (from
, sals
.end ());
1622 set_debug (char *arg
, int from_tty
)
1624 printf_unfiltered (_("\"set debug\" must be followed by "
1625 "the name of a debug subcommand.\n"));
1626 help_list (setdebuglist
, "set debug ", all_commands
, gdb_stdout
);
1630 show_debug (char *args
, int from_tty
)
1632 cmd_show_list (showdebuglist
, from_tty
, "");
1636 init_cmd_lists (void)
1638 max_user_call_depth
= 1024;
1642 show_info_verbose (struct ui_file
*file
, int from_tty
,
1643 struct cmd_list_element
*c
,
1647 fprintf_filtered (file
,
1648 _("Verbose printing of informational messages is %s.\n"),
1651 fprintf_filtered (file
, _("Verbosity is %s.\n"), value
);
1655 show_history_expansion_p (struct ui_file
*file
, int from_tty
,
1656 struct cmd_list_element
*c
, const char *value
)
1658 fprintf_filtered (file
, _("History expansion on command input is %s.\n"),
1663 show_remote_debug (struct ui_file
*file
, int from_tty
,
1664 struct cmd_list_element
*c
, const char *value
)
1666 fprintf_filtered (file
, _("Debugging of remote protocol is %s.\n"),
1671 show_remote_timeout (struct ui_file
*file
, int from_tty
,
1672 struct cmd_list_element
*c
, const char *value
)
1674 fprintf_filtered (file
,
1675 _("Timeout limit to wait for target to respond is %s.\n"),
1680 show_max_user_call_depth (struct ui_file
*file
, int from_tty
,
1681 struct cmd_list_element
*c
, const char *value
)
1683 fprintf_filtered (file
,
1684 _("The max call depth for user-defined commands is %s.\n"),
1689 _initialize_cli_cmds (void)
1691 struct cmd_list_element
*c
;
1693 /* Define the classes of commands.
1694 They will appear in the help list in alphabetical order. */
1696 add_cmd ("internals", class_maintenance
, _("\
1697 Maintenance commands.\n\
1698 Some gdb commands are provided just for use by gdb maintainers.\n\
1699 These commands are subject to frequent change, and may not be as\n\
1700 well documented as user commands."),
1702 add_cmd ("obscure", class_obscure
, _("Obscure features."), &cmdlist
);
1703 add_cmd ("aliases", class_alias
,
1704 _("Aliases of other commands."), &cmdlist
);
1705 add_cmd ("user-defined", class_user
, _("\
1706 User-defined commands.\n\
1707 The commands in this class are those defined by the user.\n\
1708 Use the \"define\" command to define a command."), &cmdlist
);
1709 add_cmd ("support", class_support
, _("Support facilities."), &cmdlist
);
1711 add_cmd ("status", class_info
, _("Status inquiries."), &cmdlist
);
1712 add_cmd ("files", class_files
, _("Specifying and examining files."),
1714 add_cmd ("breakpoints", class_breakpoint
,
1715 _("Making program stop at certain points."), &cmdlist
);
1716 add_cmd ("data", class_vars
, _("Examining data."), &cmdlist
);
1717 add_cmd ("stack", class_stack
, _("\
1718 Examining the stack.\n\
1719 The stack is made up of stack frames. Gdb assigns numbers to stack frames\n\
1720 counting from zero for the innermost (currently executing) frame.\n\n\
1721 At any time gdb identifies one frame as the \"selected\" frame.\n\
1722 Variable lookups are done with respect to the selected frame.\n\
1723 When the program being debugged stops, gdb selects the innermost frame.\n\
1724 The commands below can be used to select other frames by number or address."),
1726 add_cmd ("running", class_run
, _("Running the program."), &cmdlist
);
1728 /* Define general commands. */
1730 add_com ("pwd", class_files
, pwd_command
, _("\
1731 Print working directory. This is used for your program as well."));
1733 c
= add_cmd ("cd", class_files
, cd_command
, _("\
1734 Set working directory to DIR for debugger and program being debugged.\n\
1735 The change does not take effect for the program being debugged\n\
1736 until the next time it is started."), &cmdlist
);
1737 set_cmd_completer (c
, filename_completer
);
1739 add_com ("echo", class_support
, echo_command
, _("\
1740 Print a constant string. Give string as argument.\n\
1741 C escape sequences may be used in the argument.\n\
1742 No newline is added at the end of the argument;\n\
1743 use \"\\n\" if you want a newline to be printed.\n\
1744 Since leading and trailing whitespace are ignored in command arguments,\n\
1745 if you want to print some you must use \"\\\" before leading whitespace\n\
1746 to be printed or after trailing whitespace."));
1748 add_setshow_enum_cmd ("script-extension", class_support
,
1749 script_ext_enums
, &script_ext_mode
, _("\
1750 Set mode for script filename extension recognition."), _("\
1751 Show mode for script filename extension recognition."), _("\
1752 off == no filename extension recognition (all sourced files are GDB scripts)\n\
1753 soft == evaluate script according to filename extension, fallback to GDB script"
1755 strict == evaluate script according to filename extension, error if not supported"
1758 show_script_ext_mode
,
1759 &setlist
, &showlist
);
1761 add_com ("quit", class_support
, quit_command
, _("\
1763 Usage: quit [EXPR]\n\
1764 The optional expression EXPR, if present, is evaluated and the result\n\
1765 used as GDB's exit code. The default is zero."));
1766 c
= add_com ("help", class_support
, help_command
,
1767 _("Print list of commands."));
1768 set_cmd_completer (c
, command_completer
);
1769 add_com_alias ("q", "quit", class_support
, 1);
1770 add_com_alias ("h", "help", class_support
, 1);
1772 add_setshow_boolean_cmd ("verbose", class_support
, &info_verbose
, _("\
1773 Set verbosity."), _("\
1774 Show verbosity."), NULL
,
1777 &setlist
, &showlist
);
1779 add_prefix_cmd ("history", class_support
, set_history
,
1780 _("Generic command for setting command history parameters."),
1781 &sethistlist
, "set history ", 0, &setlist
);
1782 add_prefix_cmd ("history", class_support
, show_history
,
1783 _("Generic command for showing command history parameters."),
1784 &showhistlist
, "show history ", 0, &showlist
);
1786 add_setshow_boolean_cmd ("expansion", no_class
, &history_expansion_p
, _("\
1787 Set history expansion on command input."), _("\
1788 Show history expansion on command input."), _("\
1789 Without an argument, history expansion is enabled."),
1791 show_history_expansion_p
,
1792 &sethistlist
, &showhistlist
);
1794 add_prefix_cmd ("info", class_info
, info_command
, _("\
1795 Generic command for showing things about the program being debugged."),
1796 &infolist
, "info ", 0, &cmdlist
);
1797 add_com_alias ("i", "info", class_info
, 1);
1798 add_com_alias ("inf", "info", class_info
, 1);
1800 add_com ("complete", class_obscure
, complete_command
,
1801 _("List the completions for the rest of the line as a command."));
1803 add_prefix_cmd ("show", class_info
, show_command
, _("\
1804 Generic command for showing things about the debugger."),
1805 &showlist
, "show ", 0, &cmdlist
);
1806 /* Another way to get at the same thing. */
1807 add_info ("set", show_command
, _("Show all GDB settings."));
1809 add_cmd ("commands", no_set_class
, show_commands
, _("\
1810 Show the history of commands you typed.\n\
1811 You can supply a command number to start with, or a `+' to start after\n\
1812 the previous command number shown."),
1815 add_cmd ("version", no_set_class
, show_version
,
1816 _("Show what version of GDB this is."), &showlist
);
1818 add_cmd ("configuration", no_set_class
, show_configuration
,
1819 _("Show how GDB was configured at build time."), &showlist
);
1821 add_setshow_zinteger_cmd ("remote", no_class
, &remote_debug
, _("\
1822 Set debugging of remote protocol."), _("\
1823 Show debugging of remote protocol."), _("\
1824 When enabled, each packet sent or received with the remote target\n\
1828 &setdebuglist
, &showdebuglist
);
1830 add_setshow_zuinteger_unlimited_cmd ("remotetimeout", no_class
,
1831 &remote_timeout
, _("\
1832 Set timeout limit to wait for target to respond."), _("\
1833 Show timeout limit to wait for target to respond."), _("\
1834 This value is used to set the time limit for gdb to wait for a response\n\
1837 show_remote_timeout
,
1838 &setlist
, &showlist
);
1840 add_prefix_cmd ("debug", no_class
, set_debug
,
1841 _("Generic command for setting gdb debugging flags"),
1842 &setdebuglist
, "set debug ", 0, &setlist
);
1844 add_prefix_cmd ("debug", no_class
, show_debug
,
1845 _("Generic command for showing gdb debugging flags"),
1846 &showdebuglist
, "show debug ", 0, &showlist
);
1848 c
= add_com ("shell", class_support
, shell_command
, _("\
1849 Execute the rest of the line as a shell command.\n\
1850 With no arguments, run an inferior shell."));
1851 set_cmd_completer (c
, filename_completer
);
1853 c
= add_com ("edit", class_files
, edit_command
, _("\
1854 Edit specified file or function.\n\
1855 With no argument, edits file containing most recent line listed.\n\
1856 Editing targets can be specified in these ways:\n\
1857 FILE:LINENUM, to edit at that line in that file,\n\
1858 FUNCTION, to edit at the beginning of that function,\n\
1859 FILE:FUNCTION, to distinguish among like-named static functions.\n\
1860 *ADDRESS, to edit at the line containing that address.\n\
1861 Uses EDITOR environment variable contents as editor (or ex as default)."));
1863 c
->completer
= location_completer
;
1865 add_com ("list", class_files
, list_command
, _("\
1866 List specified function or line.\n\
1867 With no argument, lists ten more lines after or around previous listing.\n\
1868 \"list -\" lists the ten lines before a previous ten-line listing.\n\
1869 One argument specifies a line, and ten lines are listed around that line.\n\
1870 Two arguments with comma between specify starting and ending lines to list.\n\
1871 Lines can be specified in these ways:\n\
1872 LINENUM, to list around that line in current file,\n\
1873 FILE:LINENUM, to list around that line in that file,\n\
1874 FUNCTION, to list around beginning of that function,\n\
1875 FILE:FUNCTION, to distinguish among like-named static functions.\n\
1876 *ADDRESS, to list around the line containing that address.\n\
1877 With two args, if one is empty, it stands for ten lines away from\n\
1880 By default, when a single location is given, display ten lines.\n\
1881 This can be changed using \"set listsize\", and the current value\n\
1882 can be shown using \"show listsize\"."));
1884 add_com_alias ("l", "list", class_files
, 1);
1887 add_com_alias ("file", "list", class_files
, 1);
1889 c
= add_com ("disassemble", class_vars
, disassemble_command
, _("\
1890 Disassemble a specified section of memory.\n\
1891 Default is the function surrounding the pc of the selected frame.\n\
1893 With a /m modifier, source lines are included (if available).\n\
1894 This view is \"source centric\": the output is in source line order,\n\
1895 regardless of any optimization that is present. Only the main source file\n\
1896 is displayed, not those of, e.g., any inlined functions.\n\
1897 This modifier hasn't proved useful in practice and is deprecated\n\
1900 With a /s modifier, source lines are included (if available).\n\
1901 This differs from /m in two important respects:\n\
1902 - the output is still in pc address order, and\n\
1903 - file names and contents for all relevant source files are displayed.\n\
1905 With a /r modifier, raw instructions in hex are included.\n\
1907 With a single argument, the function surrounding that address is dumped.\n\
1908 Two arguments (separated by a comma) are taken as a range of memory to dump,\n\
1909 in the form of \"start,end\", or \"start,+length\".\n\
1911 Note that the address is interpreted as an expression, not as a location\n\
1912 like in the \"break\" command.\n\
1913 So, for example, if you want to disassemble function bar in file foo.c\n\
1914 you must type \"disassemble 'foo.c'::bar\" and not \"disassemble foo.c:bar\"."));
1915 set_cmd_completer (c
, location_completer
);
1917 add_com_alias ("!", "shell", class_support
, 0);
1919 c
= add_com ("make", class_support
, make_command
, _("\
1920 Run the ``make'' program using the rest of the line as arguments."));
1921 set_cmd_completer (c
, filename_completer
);
1922 add_cmd ("user", no_class
, show_user
, _("\
1923 Show definitions of non-python/scheme user defined commands.\n\
1924 Argument is the name of the user defined command.\n\
1925 With no argument, show definitions of all user defined commands."), &showlist
);
1926 add_com ("apropos", class_support
, apropos_command
,
1927 _("Search for commands matching a REGEXP"));
1929 add_setshow_uinteger_cmd ("max-user-call-depth", no_class
,
1930 &max_user_call_depth
, _("\
1931 Set the max call depth for non-python/scheme user-defined commands."), _("\
1932 Show the max call depth for non-python/scheme user-defined commands."), NULL
,
1934 show_max_user_call_depth
,
1935 &setlist
, &showlist
);
1937 add_setshow_boolean_cmd ("trace-commands", no_class
, &trace_commands
, _("\
1938 Set tracing of GDB CLI commands."), _("\
1939 Show state of GDB CLI command tracing."), _("\
1940 When 'on', each command is displayed as it is executed."),
1943 &setlist
, &showlist
);
1945 c
= add_com ("alias", class_support
, alias_command
, _("\
1946 Define a new command that is an alias of an existing command.\n\
1947 Usage: alias [-a] [--] ALIAS = COMMAND\n\
1948 ALIAS is the name of the alias command to create.\n\
1949 COMMAND is the command being aliased to.\n\
1950 If \"-a\" is specified, the command is an abbreviation,\n\
1951 and will not appear in help command list output.\n\
1954 Make \"spe\" an alias of \"set print elements\":\n\
1955 alias spe = set print elements\n\
1956 Make \"elms\" an alias of \"elements\" in the \"set print\" command:\n\
1957 alias -a set print elms = set print elements"));
1961 init_cli_cmds (void)
1963 struct cmd_list_element
*c
;
1964 char *source_help_text
;
1966 source_help_text
= xstrprintf (_("\
1967 Read commands from a file named FILE.\n\
1969 Usage: source [-s] [-v] FILE\n\
1970 -s: search for the script in the source search path,\n\
1971 even if FILE contains directories.\n\
1972 -v: each command in FILE is echoed as it is executed.\n\
1974 Note that the file \"%s\" is read automatically in this way\n\
1975 when GDB is started."), gdbinit
);
1976 c
= add_cmd ("source", class_support
, source_command
,
1977 source_help_text
, &cmdlist
);
1978 set_cmd_completer (c
, filename_completer
);