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 help_command (char *, int);
71 static void show_command (char *, int);
73 static void info_command (char *, int);
75 static void show_debug (char *, int);
77 static void set_debug (char *, int);
79 static void make_command (char *, int);
81 static void shell_escape (const char *, int);
83 static void edit_command (char *, int);
85 static void list_command (char *, int);
87 /* Prototypes for local utility functions */
89 static void print_sal_location (const symtab_and_line
&sal
);
91 static void ambiguous_line_spec (gdb::array_view
<const symtab_and_line
> sals
,
92 const char *format
, ...)
93 ATTRIBUTE_PRINTF (2, 3);
95 static void filter_sals (std::vector
<symtab_and_line
> &);
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 /* Chain containing all defined "maintenance check" subcommands. */
173 struct cmd_list_element
*maintenancechecklist
;
175 struct cmd_list_element
*setprintlist
;
177 struct cmd_list_element
*showprintlist
;
179 struct cmd_list_element
*setdebuglist
;
181 struct cmd_list_element
*showdebuglist
;
183 struct cmd_list_element
*setchecklist
;
185 struct cmd_list_element
*showchecklist
;
187 /* Command tracing state. */
189 int source_verbose
= 0;
190 int trace_commands
= 0;
192 /* 'script-extension' option support. */
194 static const char script_ext_off
[] = "off";
195 static const char script_ext_soft
[] = "soft";
196 static const char script_ext_strict
[] = "strict";
198 static const char *const script_ext_enums
[] = {
205 static const char *script_ext_mode
= script_ext_soft
;
207 /* Utility used everywhere when at least one argument is needed and
211 error_no_arg (const char *why
)
213 error (_("Argument required (%s)."), why
);
216 /* The "info" command is defined as a prefix, with allow_unknown = 0.
217 Therefore, its own definition is called only for "info" with no
221 info_command (char *arg
, int from_tty
)
223 printf_unfiltered (_("\"info\" must be followed by "
224 "the name of an info command.\n"));
225 help_list (infolist
, "info ", all_commands
, gdb_stdout
);
228 /* The "show" command with no arguments shows all the settings. */
231 show_command (char *arg
, int from_tty
)
233 cmd_show_list (showlist
, from_tty
, "");
236 /* Provide documentation on command or list given by COMMAND. FROM_TTY
240 help_command (char *command
, int from_tty
)
242 help_cmd (command
, gdb_stdout
);
246 /* Note: The "complete" command is used by Emacs to implement completion.
247 [Is that why this function writes output with *_unfiltered?] */
250 complete_command (char *arg_entry
, int from_tty
)
252 const char *arg
= arg_entry
;
256 if (max_completions
== 0)
258 /* Only print this for non-mi frontends. An MI frontend may not
259 be able to handle this. */
260 if (!current_uiout
->is_mi_like_p ())
262 printf_unfiltered (_("max-completions is zero,"
263 " completion is disabled.\n"));
271 completion_tracker tracker_handle_brkchars
;
272 completion_tracker tracker_handle_completions
;
273 completion_tracker
*tracker
;
275 int quote_char
= '\0';
280 word
= completion_find_completion_word (tracker_handle_brkchars
,
283 /* Completers that provide a custom word point in the
284 handle_brkchars phase also compute their completions then.
285 Completers that leave the completion word handling to readline
286 must be called twice. */
287 if (tracker_handle_brkchars
.use_custom_word_point ())
288 tracker
= &tracker_handle_brkchars
;
291 complete_line (tracker_handle_completions
, word
, arg
, strlen (arg
));
292 tracker
= &tracker_handle_completions
;
295 CATCH (ex
, RETURN_MASK_ALL
)
300 std::string
arg_prefix (arg
, word
- arg
);
302 completion_result result
303 = tracker
->build_completion_result (word
, word
- arg
, strlen (arg
));
305 if (result
.number_matches
!= 0)
307 if (result
.number_matches
== 1)
308 printf_unfiltered ("%s%s\n", arg_prefix
.c_str (), result
.match_list
[0]);
311 result
.sort_match_list ();
313 for (size_t i
= 0; i
< result
.number_matches
; i
++)
315 printf_unfiltered ("%s%s",
317 result
.match_list
[i
+ 1]);
319 printf_unfiltered ("%c", quote_char
);
320 printf_unfiltered ("\n");
324 if (result
.number_matches
== max_completions
)
326 /* ARG_PREFIX and WORD are included in the output so that emacs
327 will include the message in the output. */
328 printf_unfiltered (_("%s%s %s\n"),
329 arg_prefix
.c_str (), word
,
330 get_max_completions_reached_message ());
336 is_complete_command (struct cmd_list_element
*c
)
338 return cmd_cfunc_eq (c
, complete_command
);
342 show_version (const char *args
, int from_tty
)
344 print_gdb_version (gdb_stdout
);
345 printf_filtered ("\n");
349 show_configuration (const char *args
, int from_tty
)
351 print_gdb_configuration (gdb_stdout
);
354 /* Handle the quit command. */
357 quit_command (char *args
, int from_tty
)
361 /* An optional expression may be used to cause gdb to terminate with
362 the value of that expression. */
365 struct value
*val
= parse_and_eval (args
);
367 exit_code
= (int) value_as_long (val
);
370 if (!quit_confirm ())
371 error (_("Not confirmed."));
373 query_if_trace_running (from_tty
);
375 quit_force (args
? &exit_code
: NULL
, from_tty
);
379 pwd_command (char *args
, int from_tty
)
382 error (_("The \"pwd\" command does not take an argument: %s"), args
);
384 gdb::unique_xmalloc_ptr
<char> cwd (getcwd (NULL
, 0));
387 error (_("Error finding name of working directory: %s"),
388 safe_strerror (errno
));
390 if (strcmp (cwd
.get (), current_directory
) != 0)
391 printf_unfiltered (_("Working directory %s\n (canonically %s).\n"),
392 current_directory
, cwd
.get ());
394 printf_unfiltered (_("Working directory %s.\n"), current_directory
);
398 cd_command (const char *dir
, int from_tty
)
401 /* Found something other than leading repetitions of "/..". */
405 /* If the new directory is absolute, repeat is a no-op; if relative,
406 repeat might be useful but is more likely to be a mistake. */
409 gdb::unique_xmalloc_ptr
<char> dir_holder
410 (tilde_expand (dir
!= NULL
? dir
: "~"));
411 dir
= dir_holder
.get ();
414 perror_with_name (dir
);
416 #ifdef HAVE_DOS_BASED_FILE_SYSTEM
417 /* There's too much mess with DOSish names like "d:", "d:.",
418 "d:./foo" etc. Instead of having lots of special #ifdef'ed code,
419 simply get the canonicalized name of the current directory. */
420 gdb::unique_xmalloc_ptr
<char> cwd (getcwd (NULL
, 0));
425 if (IS_DIR_SEPARATOR (dir
[len
- 1]))
427 /* Remove the trailing slash unless this is a root directory
428 (including a drive letter on non-Unix systems). */
429 if (!(len
== 1) /* "/" */
430 #ifdef HAVE_DOS_BASED_FILE_SYSTEM
431 && !(len
== 3 && dir
[1] == ':') /* "d:/" */
437 dir_holder
.reset (savestring (dir
, len
));
438 if (IS_ABSOLUTE_PATH (dir_holder
.get ()))
440 xfree (current_directory
);
441 current_directory
= dir_holder
.release ();
445 if (IS_DIR_SEPARATOR (current_directory
[strlen (current_directory
) - 1]))
446 current_directory
= concat (current_directory
, dir_holder
.get (),
449 current_directory
= concat (current_directory
, SLASH_STRING
,
450 dir_holder
.get (), (char *) NULL
);
453 /* Now simplify any occurrences of `.' and `..' in the pathname. */
456 for (p
= current_directory
; *p
;)
458 if (IS_DIR_SEPARATOR (p
[0]) && p
[1] == '.'
459 && (p
[2] == 0 || IS_DIR_SEPARATOR (p
[2])))
460 memmove (p
, p
+ 2, strlen (p
+ 2) + 1);
461 else if (IS_DIR_SEPARATOR (p
[0]) && p
[1] == '.' && p
[2] == '.'
462 && (p
[3] == 0 || IS_DIR_SEPARATOR (p
[3])))
466 /* Search backwards for the directory just before the "/.."
467 and obliterate it and the "/..". */
470 while (q
!= current_directory
&& !IS_DIR_SEPARATOR (q
[-1]))
473 if (q
== current_directory
)
474 /* current_directory is
475 a relative pathname ("can't happen"--leave it alone). */
479 memmove (q
- 1, p
+ 3, strlen (p
+ 3) + 1);
484 /* We are dealing with leading repetitions of "/..", for
485 example "/../..", which is the Mach super-root. */
495 forget_cached_source_info ();
498 pwd_command ((char *) 0, 1);
501 /* Show the current value of the 'script-extension' option. */
504 show_script_ext_mode (struct ui_file
*file
, int from_tty
,
505 struct cmd_list_element
*c
, const char *value
)
507 fprintf_filtered (file
,
508 _("Script filename extension recognition is \"%s\".\n"),
512 /* Try to open SCRIPT_FILE.
513 If successful, the full path name is stored in *FULL_PATHP,
514 and the stream is returned.
515 If not successful, return NULL; errno is set for the last file
518 If SEARCH_PATH is non-zero, and the file isn't found in cwd,
519 search for it in the source search path. */
521 gdb::optional
<open_script
>
522 find_and_open_script (const char *script_file
, int search_path
)
525 int search_flags
= OPF_TRY_CWD_FIRST
| OPF_RETURN_REALPATH
;
526 gdb::optional
<open_script
> opened
;
528 gdb::unique_xmalloc_ptr
<char> file (tilde_expand (script_file
));
531 search_flags
|= OPF_SEARCH_IN_PATH
;
533 /* Search for and open 'file' on the search path used for source
534 files. Put the full location in *FULL_PATHP. */
536 fd
= openp (source_path
, search_flags
,
537 file
.get (), O_RDONLY
, &temp_path
);
538 gdb::unique_xmalloc_ptr
<char> full_path (temp_path
);
543 FILE *result
= fdopen (fd
, FOPEN_RT
);
546 int save_errno
= errno
;
552 opened
.emplace (gdb_file_up (result
), std::move (full_path
));
557 /* Load script FILE, which has already been opened as STREAM.
558 FILE_TO_OPEN is the form of FILE to use if one needs to open the file.
559 This is provided as FILE may have been found via the source search path.
560 An important thing to note here is that FILE may be a symlink to a file
561 with a different or non-existing suffix, and thus one cannot infer the
562 extension language from FILE_TO_OPEN. */
565 source_script_from_stream (FILE *stream
, const char *file
,
566 const char *file_to_open
)
568 if (script_ext_mode
!= script_ext_off
)
570 const struct extension_language_defn
*extlang
571 = get_ext_lang_of_file (file
);
575 if (ext_lang_present_p (extlang
))
577 script_sourcer_func
*sourcer
578 = ext_lang_script_sourcer (extlang
);
580 gdb_assert (sourcer
!= NULL
);
581 sourcer (extlang
, stream
, file_to_open
);
584 else if (script_ext_mode
== script_ext_soft
)
586 /* Assume the file is a gdb script.
587 This is handled below. */
590 throw_ext_lang_unsupported (extlang
);
594 script_from_file (stream
, file
);
597 /* Worker to perform the "source" command.
599 If SEARCH_PATH is non-zero, and the file isn't found in cwd,
600 search for it in the source search path. */
603 source_script_with_search (const char *file
, int from_tty
, int search_path
)
606 if (file
== NULL
|| *file
== 0)
607 error (_("source command requires file name of file to source."));
609 gdb::optional
<open_script
> opened
= find_and_open_script (file
, search_path
);
612 /* The script wasn't found, or was otherwise inaccessible.
613 If the source command was invoked interactively, throw an
614 error. Otherwise (e.g. if it was invoked by a script),
615 just emit a warning, rather than cause an error. */
617 perror_with_name (file
);
620 perror_warning_with_name (file
);
625 /* The python support reopens the file, so we need to pass full_path here
626 in case the file was found on the search path. It's useful to do this
627 anyway so that error messages show the actual file used. But only do
628 this if we (may have) used search_path, as printing the full path in
629 errors for the non-search case can be more noise than signal. */
630 source_script_from_stream (opened
->stream
.get (), file
,
631 search_path
? opened
->full_path
.get () : file
);
634 /* Wrapper around source_script_with_search to export it to main.c
635 for use in loading .gdbinit scripts. */
638 source_script (const char *file
, int from_tty
)
640 source_script_with_search (file
, from_tty
, 0);
644 source_command (const char *args
, int from_tty
)
646 const char *file
= args
;
649 scoped_restore save_source_verbose
= make_scoped_restore (&source_verbose
);
651 /* -v causes the source command to run in verbose mode.
652 -s causes the file to be searched in the source search path,
653 even if the file name contains a '/'.
654 We still have to be able to handle filenames with spaces in a
655 backward compatible way, so buildargv is not appropriate. */
659 while (args
[0] != '\0')
661 /* Make sure leading white space does not break the
663 args
= skip_spaces (args
);
668 if (args
[1] == 'v' && isspace (args
[2]))
672 /* Skip passed -v. */
675 else if (args
[1] == 's' && isspace (args
[2]))
679 /* Skip passed -s. */
686 file
= skip_spaces (args
);
689 source_script_with_search (file
, from_tty
, search_path
);
694 echo_command (char *text
, int from_tty
)
696 const char *p
= text
;
700 while ((c
= *p
++) != '\0')
704 /* \ at end of argument is used after spaces
705 so they won't be lost. */
709 c
= parse_escape (get_current_arch (), &p
);
711 printf_filtered ("%c", c
);
714 printf_filtered ("%c", c
);
717 /* Force this output to appear now. */
719 gdb_flush (gdb_stdout
);
723 shell_escape (const char *arg
, int from_tty
)
725 #if defined(CANT_FORK) || \
726 (!defined(HAVE_WORKING_VFORK) && !defined(HAVE_WORKING_FORK))
727 /* If ARG is NULL, they want an inferior shell, but `system' just
728 reports if the shell is available when passed a NULL arg. */
729 int rc
= system (arg
? arg
: "");
732 arg
= "inferior shell";
736 fprintf_unfiltered (gdb_stderr
, "Cannot execute %s: %s\n", arg
,
737 safe_strerror (errno
));
738 gdb_flush (gdb_stderr
);
742 fprintf_unfiltered (gdb_stderr
, "%s exited with status %d\n", arg
, rc
);
743 gdb_flush (gdb_stderr
);
746 /* Make sure to return to the directory GDB thinks it is, in case
747 the shell command we just ran changed it. */
748 chdir (current_directory
);
750 #else /* Can fork. */
753 if ((pid
= vfork ()) == 0)
755 const char *p
, *user_shell
;
759 if ((user_shell
= (char *) getenv ("SHELL")) == NULL
)
760 user_shell
= "/bin/sh";
762 /* Get the name of the shell for arg0. */
763 p
= lbasename (user_shell
);
766 execl (user_shell
, p
, (char *) 0);
768 execl (user_shell
, p
, "-c", arg
, (char *) 0);
770 fprintf_unfiltered (gdb_stderr
, "Cannot execute %s: %s\n", user_shell
,
771 safe_strerror (errno
));
772 gdb_flush (gdb_stderr
);
777 waitpid (pid
, &status
, 0);
779 error (_("Fork failed"));
780 #endif /* Can fork. */
783 /* Implementation of the "shell" command. */
786 shell_command (char *arg
, int from_tty
)
788 shell_escape (arg
, from_tty
);
792 edit_command (char *arg
, int from_tty
)
794 struct symtab_and_line sal
;
800 /* Pull in the current default source line if necessary. */
803 set_default_source_symtab_and_line ();
804 sal
= get_current_source_symtab_and_line ();
807 /* Bare "edit" edits file with present line. */
812 error (_("No default source file yet."));
813 sal
.line
+= get_lines_to_list () / 2;
819 /* Now should only be one argument -- decode it in SAL. */
821 event_location_up location
= string_to_event_location (&arg1
,
823 std::vector
<symtab_and_line
> sals
= decode_line_1 (location
.get (),
824 DECODE_LINE_LIST_MODE
,
833 if (sals
.size () > 1)
835 ambiguous_line_spec (sals
,
836 _("Specified line is ambiguous:\n"));
843 error (_("Junk at end of line specification."));
845 /* If line was specified by address, first print exactly which
846 line, and which file. In this case, sal.symtab == 0 means
847 address is outside of all known source files, not that user
848 failed to give a filename. */
851 struct gdbarch
*gdbarch
;
854 error (_("No source file for address %s."),
855 paddress (get_current_arch (), sal
.pc
));
857 gdbarch
= get_objfile_arch (SYMTAB_OBJFILE (sal
.symtab
));
858 sym
= find_pc_function (sal
.pc
);
860 printf_filtered ("%s is in %s (%s:%d).\n",
861 paddress (gdbarch
, sal
.pc
),
862 SYMBOL_PRINT_NAME (sym
),
863 symtab_to_filename_for_display (sal
.symtab
),
866 printf_filtered ("%s is at %s:%d.\n",
867 paddress (gdbarch
, sal
.pc
),
868 symtab_to_filename_for_display (sal
.symtab
),
872 /* If what was given does not imply a symtab, it must be an
873 undebuggable symbol which means no source code. */
876 error (_("No line number known for %s."), arg
);
879 if ((editor
= (char *) getenv ("EDITOR")) == NULL
)
882 fn
= symtab_to_fullname (sal
.symtab
);
884 /* Quote the file name, in case it has whitespace or other special
886 p
= xstrprintf ("%s +%d \"%s\"", editor
, sal
.line
, fn
);
887 shell_escape (p
, from_tty
);
892 list_command (char *arg
, int from_tty
)
902 /* Pull in the current default source line if necessary. */
903 if (arg
== NULL
|| ((arg
[0] == '+' || arg
[0] == '-') && arg
[1] == '\0'))
905 set_default_source_symtab_and_line ();
906 symtab_and_line cursal
= get_current_source_symtab_and_line ();
908 /* If this is the first "list" since we've set the current
909 source line, center the listing around that line. */
910 if (get_first_line_listed () == 0)
914 first
= std::max (cursal
.line
- get_lines_to_list () / 2, 1);
916 /* A small special case --- if listing backwards, and we
917 should list only one line, list the preceding line,
918 instead of the exact line we've just shown after e.g.,
919 stopping for a breakpoint. */
920 if (arg
!= NULL
&& arg
[0] == '-'
921 && get_lines_to_list () == 1 && first
> 1)
924 print_source_lines (cursal
.symtab
, first
,
925 first
+ get_lines_to_list (), 0);
928 /* "l" or "l +" lists next ten lines. */
929 else if (arg
== NULL
|| arg
[0] == '+')
930 print_source_lines (cursal
.symtab
, cursal
.line
,
931 cursal
.line
+ get_lines_to_list (), 0);
933 /* "l -" lists previous ten lines, the ones before the ten just
935 else if (arg
[0] == '-')
937 if (get_first_line_listed () == 1)
938 error (_("Already at the start of %s."),
939 symtab_to_filename_for_display (cursal
.symtab
));
940 print_source_lines (cursal
.symtab
,
941 std::max (get_first_line_listed ()
942 - get_lines_to_list (), 1),
943 get_first_line_listed (), 0);
949 /* Now if there is only one argument, decode it in SAL
951 If there are two arguments, decode them in SAL and SAL_END
952 and clear NO_END; however, if one of the arguments is blank,
953 set DUMMY_BEG or DUMMY_END to record that fact. */
955 if (!have_full_symbols () && !have_partial_symbols ())
956 error (_("No symbol table is loaded. Use the \"file\" command."));
958 std::vector
<symtab_and_line
> sals
;
959 symtab_and_line sal
, sal_end
;
966 event_location_up location
= string_to_event_location (&arg1
,
968 sals
= decode_line_1 (location
.get (), DECODE_LINE_LIST_MODE
,
980 /* Record whether the BEG arg is all digits. */
982 for (p
= arg
; p
!= arg1
&& *p
>= '0' && *p
<= '9'; p
++);
983 linenum_beg
= (p
== arg1
);
985 /* Save the range of the first argument, in case we need to let the
986 user know it was ambiguous. */
987 const char *beg
= arg
;
988 size_t beg_len
= arg1
- beg
;
990 while (*arg1
== ' ' || *arg1
== '\t')
995 if (sals
.size () > 1)
997 ambiguous_line_spec (sals
,
998 _("Specified first line '%.*s' is ambiguous:\n"),
1003 while (*arg1
== ' ' || *arg1
== '\t')
1009 /* Save the last argument, in case we need to let the user
1010 know it was ambiguous. */
1011 const char *end_arg
= arg1
;
1013 event_location_up location
1014 = string_to_event_location (&arg1
, current_language
);
1016 std::vector
<symtab_and_line
> sals_end
1018 ? decode_line_1 (location
.get (), DECODE_LINE_LIST_MODE
,
1020 : decode_line_1 (location
.get (), DECODE_LINE_LIST_MODE
,
1021 NULL
, sal
.symtab
, sal
.line
));
1023 filter_sals (sals_end
);
1024 if (sals_end
.empty ())
1026 if (sals_end
.size () > 1)
1028 ambiguous_line_spec (sals_end
,
1029 _("Specified last line '%s' is ambiguous:\n"),
1033 sal_end
= sals_end
[0];
1038 error (_("Junk at end of line specification."));
1040 if (!no_end
&& !dummy_beg
&& !dummy_end
1041 && sal
.symtab
!= sal_end
.symtab
)
1042 error (_("Specified first and last lines are in different files."));
1043 if (dummy_beg
&& dummy_end
)
1044 error (_("Two empty args do not say what lines to list."));
1046 /* If line was specified by address,
1047 first print exactly which line, and which file.
1049 In this case, sal.symtab == 0 means address is outside of all
1050 known source files, not that user failed to give a filename. */
1053 struct gdbarch
*gdbarch
;
1055 if (sal
.symtab
== 0)
1056 error (_("No source file for address %s."),
1057 paddress (get_current_arch (), sal
.pc
));
1059 gdbarch
= get_objfile_arch (SYMTAB_OBJFILE (sal
.symtab
));
1060 sym
= find_pc_function (sal
.pc
);
1062 printf_filtered ("%s is in %s (%s:%d).\n",
1063 paddress (gdbarch
, sal
.pc
),
1064 SYMBOL_PRINT_NAME (sym
),
1065 symtab_to_filename_for_display (sal
.symtab
), sal
.line
);
1067 printf_filtered ("%s is at %s:%d.\n",
1068 paddress (gdbarch
, sal
.pc
),
1069 symtab_to_filename_for_display (sal
.symtab
), sal
.line
);
1072 /* If line was not specified by just a line number, and it does not
1073 imply a symtab, it must be an undebuggable symbol which means no
1076 if (!linenum_beg
&& sal
.symtab
== 0)
1077 error (_("No line number known for %s."), arg
);
1079 /* If this command is repeated with RET,
1080 turn it into the no-arg variant. */
1085 if (dummy_beg
&& sal_end
.symtab
== 0)
1086 error (_("No default source file yet. Do \"help list\"."));
1088 print_source_lines (sal_end
.symtab
,
1089 std::max (sal_end
.line
- (get_lines_to_list () - 1), 1),
1090 sal_end
.line
+ 1, 0);
1091 else if (sal
.symtab
== 0)
1092 error (_("No default source file yet. Do \"help list\"."));
1095 for (int i
= 0; i
< sals
.size (); i
++)
1098 int first_line
= sal
.line
- get_lines_to_list () / 2;
1101 if (sals
.size () > 1)
1102 print_sal_location (sal
);
1103 print_source_lines (sal
.symtab
,
1105 first_line
+ get_lines_to_list (),
1110 print_source_lines (sal
.symtab
, sal
.line
,
1112 ? sal
.line
+ get_lines_to_list ()
1113 : sal_end
.line
+ 1),
1117 /* Subroutine of disassemble_command to simplify it.
1118 Perform the disassembly.
1119 NAME is the name of the function if known, or NULL.
1120 [LOW,HIGH) are the range of addresses to disassemble.
1121 MIXED is non-zero to print source with the assembler. */
1124 print_disassembly (struct gdbarch
*gdbarch
, const char *name
,
1125 CORE_ADDR low
, CORE_ADDR high
,
1126 gdb_disassembly_flags flags
)
1129 if (!tui_is_window_visible (DISASSEM_WIN
))
1132 printf_filtered ("Dump of assembler code ");
1134 printf_filtered ("for function %s:\n", name
);
1136 printf_filtered ("from %s to %s:\n",
1137 paddress (gdbarch
, low
), paddress (gdbarch
, high
));
1139 /* Dump the specified range. */
1140 gdb_disassembly (gdbarch
, current_uiout
, flags
, -1, low
, high
);
1142 printf_filtered ("End of assembler dump.\n");
1143 gdb_flush (gdb_stdout
);
1148 tui_show_assembly (gdbarch
, low
);
1153 /* Subroutine of disassemble_command to simplify it.
1154 Print a disassembly of the current function according to FLAGS. */
1157 disassemble_current_function (gdb_disassembly_flags flags
)
1159 struct frame_info
*frame
;
1160 struct gdbarch
*gdbarch
;
1161 CORE_ADDR low
, high
, pc
;
1164 frame
= get_selected_frame (_("No frame selected."));
1165 gdbarch
= get_frame_arch (frame
);
1166 pc
= get_frame_address_in_block (frame
);
1167 if (find_pc_partial_function (pc
, &name
, &low
, &high
) == 0)
1168 error (_("No function contains program counter for selected frame."));
1170 /* NOTE: cagney/2003-02-13 The `tui_active' was previously
1173 /* FIXME: cagney/2004-02-07: This should be an observer. */
1174 low
= tui_get_low_disassembly_address (gdbarch
, low
, pc
);
1176 low
+= gdbarch_deprecated_function_start_offset (gdbarch
);
1178 print_disassembly (gdbarch
, name
, low
, high
, flags
);
1181 /* Dump a specified section of assembly code.
1185 - dump the assembly code for the function of the current pc
1186 disassemble [/mrs] addr
1187 - dump the assembly code for the function at ADDR
1188 disassemble [/mrs] low,high
1189 disassemble [/mrs] low,+length
1190 - dump the assembly code in the range [LOW,HIGH), or [LOW,LOW+length)
1192 A /m modifier will include source code with the assembly in a
1193 "source centric" view. This view lists only the file of the first insn,
1194 even if other source files are involved (e.g., inlined functions), and
1195 the output is in source order, even with optimized code. This view is
1196 considered deprecated as it hasn't been useful in practice.
1198 A /r modifier will include raw instructions in hex with the assembly.
1200 A /s modifier will include source code with the assembly, like /m, with
1201 two important differences:
1202 1) The output is still in pc address order.
1203 2) File names and contents for all relevant source files are displayed. */
1206 disassemble_command (char *arg
, int from_tty
)
1208 struct gdbarch
*gdbarch
= get_current_arch ();
1209 CORE_ADDR low
, high
;
1212 gdb_disassembly_flags flags
;
1224 error (_("Missing modifier."));
1226 while (*p
&& ! isspace (*p
))
1231 flags
|= DISASSEMBLY_SOURCE_DEPRECATED
;
1234 flags
|= DISASSEMBLY_RAW_INSN
;
1237 flags
|= DISASSEMBLY_SOURCE
;
1240 error (_("Invalid disassembly modifier."));
1244 p
= skip_spaces (p
);
1247 if ((flags
& (DISASSEMBLY_SOURCE_DEPRECATED
| DISASSEMBLY_SOURCE
))
1248 == (DISASSEMBLY_SOURCE_DEPRECATED
| DISASSEMBLY_SOURCE
))
1249 error (_("Cannot specify both /m and /s."));
1253 flags
|= DISASSEMBLY_OMIT_FNAME
;
1254 disassemble_current_function (flags
);
1258 pc
= value_as_address (parse_to_comma_and_eval (&p
));
1264 if (find_pc_partial_function (pc
, &name
, &low
, &high
) == 0)
1265 error (_("No function contains specified address."));
1267 /* NOTE: cagney/2003-02-13 The `tui_active' was previously
1270 /* FIXME: cagney/2004-02-07: This should be an observer. */
1271 low
= tui_get_low_disassembly_address (gdbarch
, low
, pc
);
1273 low
+= gdbarch_deprecated_function_start_offset (gdbarch
);
1274 flags
|= DISASSEMBLY_OMIT_FNAME
;
1278 /* Two arguments. */
1281 p
= skip_spaces (p
);
1287 high
= parse_and_eval_address (p
);
1292 print_disassembly (gdbarch
, name
, low
, high
, flags
);
1296 make_command (char *arg
, int from_tty
)
1299 shell_escape ("make", from_tty
);
1302 std::string cmd
= std::string ("make ") + arg
;
1304 shell_escape (cmd
.c_str (), from_tty
);
1309 show_user (const char *args
, int from_tty
)
1311 struct cmd_list_element
*c
;
1312 extern struct cmd_list_element
*cmdlist
;
1316 const char *comname
= args
;
1318 c
= lookup_cmd (&comname
, cmdlist
, "", 0, 1);
1319 if (!cli_user_command_p (c
))
1320 error (_("Not a user command."));
1321 show_user_1 (c
, "", args
, gdb_stdout
);
1325 for (c
= cmdlist
; c
; c
= c
->next
)
1327 if (cli_user_command_p (c
) || c
->prefixlist
!= NULL
)
1328 show_user_1 (c
, "", c
->name
, gdb_stdout
);
1333 /* Search through names of commands and documentations for a certain
1334 regular expression. */
1337 apropos_command (char *searchstr
, int from_tty
)
1339 if (searchstr
== NULL
)
1340 error (_("REGEXP string is empty"));
1342 compiled_regex
pattern (searchstr
, REG_ICASE
,
1343 _("Error in regular expression"));
1345 apropos_cmd (gdb_stdout
, cmdlist
, pattern
, "");
1348 /* Subroutine of alias_command to simplify it.
1349 Return the first N elements of ARGV flattened back to a string
1350 with a space separating each element.
1351 ARGV may not be NULL.
1352 This does not take care of quoting elements in case they contain spaces
1356 argv_to_string (char **argv
, int n
)
1361 gdb_assert (argv
!= NULL
);
1362 gdb_assert (n
>= 0 && n
<= countargv (argv
));
1364 for (i
= 0; i
< n
; ++i
)
1374 /* Subroutine of alias_command to simplify it.
1375 Return TRUE if COMMAND exists, unambiguously. Otherwise FALSE. */
1378 valid_command_p (const char *command
)
1380 struct cmd_list_element
*c
;
1382 c
= lookup_cmd_1 (& command
, cmdlist
, NULL
, 1);
1384 if (c
== NULL
|| c
== (struct cmd_list_element
*) -1)
1387 /* This is the slightly tricky part.
1388 lookup_cmd_1 will return a pointer to the last part of COMMAND
1389 to match, leaving COMMAND pointing at the remainder. */
1390 while (*command
== ' ' || *command
== '\t')
1392 return *command
== '\0';
1395 /* Called when "alias" was incorrectly used. */
1398 alias_usage_error (void)
1400 error (_("Usage: alias [-a] [--] ALIAS = COMMAND"));
1403 /* Make an alias of an existing command. */
1406 alias_command (char *args
, int from_tty
)
1408 int i
, alias_argc
, command_argc
;
1409 int abbrev_flag
= 0;
1411 const char *alias
, *command
;
1413 if (args
== NULL
|| strchr (args
, '=') == NULL
)
1414 alias_usage_error ();
1416 equals
= strchr (args
, '=');
1417 std::string
args2 (args
, equals
- args
);
1419 gdb_argv
built_alias_argv (args2
.c_str ());
1420 gdb_argv
command_argv (equals
+ 1);
1422 char **alias_argv
= built_alias_argv
.get ();
1423 while (alias_argv
[0] != NULL
)
1425 if (strcmp (alias_argv
[0], "-a") == 0)
1430 else if (strcmp (alias_argv
[0], "--") == 0)
1439 if (alias_argv
[0] == NULL
|| command_argv
[0] == NULL
1440 || *alias_argv
[0] == '\0' || *command_argv
[0] == '\0')
1441 alias_usage_error ();
1443 for (i
= 0; alias_argv
[i
] != NULL
; ++i
)
1445 if (! valid_user_defined_cmd_name_p (alias_argv
[i
]))
1448 error (_("Invalid command name: %s"), alias_argv
[i
]);
1450 error (_("Invalid command element name: %s"), alias_argv
[i
]);
1454 alias_argc
= countargv (alias_argv
);
1455 command_argc
= command_argv
.count ();
1457 /* COMMAND must exist.
1458 Reconstruct the command to remove any extraneous spaces,
1459 for better error messages. */
1460 std::string
command_string (argv_to_string (command_argv
.get (),
1462 command
= command_string
.c_str ();
1463 if (! valid_command_p (command
))
1464 error (_("Invalid command to alias to: %s"), command
);
1466 /* ALIAS must not exist. */
1467 std::string
alias_string (argv_to_string (alias_argv
, alias_argc
));
1468 alias
= alias_string
.c_str ();
1469 if (valid_command_p (alias
))
1470 error (_("Alias already exists: %s"), alias
);
1472 /* If ALIAS is one word, it is an alias for the entire COMMAND.
1473 Example: alias spe = set print elements
1475 Otherwise ALIAS and COMMAND must have the same number of words,
1476 and every word except the last must match; and the last word of
1477 ALIAS is made an alias of the last word of COMMAND.
1478 Example: alias set print elms = set pr elem
1479 Note that unambiguous abbreviations are allowed. */
1481 if (alias_argc
== 1)
1483 /* add_cmd requires *we* allocate space for name, hence the xstrdup. */
1484 add_com_alias (xstrdup (alias_argv
[0]), command
, class_alias
,
1489 const char *alias_prefix
, *command_prefix
;
1490 struct cmd_list_element
*c_alias
, *c_command
;
1492 if (alias_argc
!= command_argc
)
1493 error (_("Mismatched command length between ALIAS and COMMAND."));
1495 /* Create copies of ALIAS and COMMAND without the last word,
1496 and use that to verify the leading elements match. */
1497 std::string
alias_prefix_string (argv_to_string (alias_argv
,
1499 std::string
command_prefix_string (argv_to_string (alias_argv
,
1501 alias_prefix
= alias_prefix_string
.c_str ();
1502 command_prefix
= command_prefix_string
.c_str ();
1504 c_command
= lookup_cmd_1 (& command_prefix
, cmdlist
, NULL
, 1);
1505 /* We've already tried to look up COMMAND. */
1506 gdb_assert (c_command
!= NULL
1507 && c_command
!= (struct cmd_list_element
*) -1);
1508 gdb_assert (c_command
->prefixlist
!= NULL
);
1509 c_alias
= lookup_cmd_1 (& alias_prefix
, cmdlist
, NULL
, 1);
1510 if (c_alias
!= c_command
)
1511 error (_("ALIAS and COMMAND prefixes do not match."));
1513 /* add_cmd requires *we* allocate space for name, hence the xstrdup. */
1514 add_alias_cmd (xstrdup (alias_argv
[alias_argc
- 1]),
1515 command_argv
[command_argc
- 1],
1516 class_alias
, abbrev_flag
, c_command
->prefixlist
);
1520 /* Print the file / line number / symbol name of the location
1521 specified by SAL. */
1524 print_sal_location (const symtab_and_line
&sal
)
1526 scoped_restore_current_program_space restore_pspace
;
1527 set_current_program_space (sal
.pspace
);
1529 const char *sym_name
= NULL
;
1530 if (sal
.symbol
!= NULL
)
1531 sym_name
= SYMBOL_PRINT_NAME (sal
.symbol
);
1532 printf_filtered (_("file: \"%s\", line number: %d, symbol: \"%s\"\n"),
1533 symtab_to_filename_for_display (sal
.symtab
),
1534 sal
.line
, sym_name
!= NULL
? sym_name
: "???");
1537 /* Print a list of files and line numbers which a user may choose from
1538 in order to list a function which was specified ambiguously (as
1539 with `list classname::overloadedfuncname', for example). The SALS
1540 array provides the filenames and line numbers. FORMAT is a
1541 printf-style format string used to tell the user what was
1545 ambiguous_line_spec (gdb::array_view
<const symtab_and_line
> sals
,
1546 const char *format
, ...)
1549 va_start (ap
, format
);
1550 vprintf_filtered (format
, ap
);
1553 for (const auto &sal
: sals
)
1554 print_sal_location (sal
);
1557 /* Comparison function for filter_sals. Returns a qsort-style
1561 cmp_symtabs (const symtab_and_line
&sala
, const symtab_and_line
&salb
)
1563 const char *dira
= SYMTAB_DIRNAME (sala
.symtab
);
1564 const char *dirb
= SYMTAB_DIRNAME (salb
.symtab
);
1572 else if (dirb
== NULL
)
1579 r
= filename_cmp (dira
, dirb
);
1584 r
= filename_cmp (sala
.symtab
->filename
, salb
.symtab
->filename
);
1588 if (sala
.line
< salb
.line
)
1590 return sala
.line
== salb
.line
? 0 : 1;
1593 /* Remove any SALs that do not match the current program space, or
1594 which appear to be "file:line" duplicates. */
1597 filter_sals (std::vector
<symtab_and_line
> &sals
)
1599 /* Remove SALs that do not match. */
1600 auto from
= std::remove_if (sals
.begin (), sals
.end (),
1601 [&] (const symtab_and_line
&sal
)
1602 { return (sal
.pspace
!= current_program_space
|| sal
.symtab
== NULL
); });
1605 std::sort (sals
.begin (), from
,
1606 [] (const symtab_and_line
&sala
, const symtab_and_line
&salb
)
1607 { return cmp_symtabs (sala
, salb
) < 0; });
1609 from
= std::unique (sals
.begin (), from
,
1610 [&] (const symtab_and_line
&sala
,
1611 const symtab_and_line
&salb
)
1612 { return cmp_symtabs (sala
, salb
) == 0; });
1614 sals
.erase (from
, sals
.end ());
1618 set_debug (char *arg
, int from_tty
)
1620 printf_unfiltered (_("\"set debug\" must be followed by "
1621 "the name of a debug subcommand.\n"));
1622 help_list (setdebuglist
, "set debug ", all_commands
, gdb_stdout
);
1626 show_debug (char *args
, int from_tty
)
1628 cmd_show_list (showdebuglist
, from_tty
, "");
1632 init_cmd_lists (void)
1634 max_user_call_depth
= 1024;
1638 show_info_verbose (struct ui_file
*file
, int from_tty
,
1639 struct cmd_list_element
*c
,
1643 fprintf_filtered (file
,
1644 _("Verbose printing of informational messages is %s.\n"),
1647 fprintf_filtered (file
, _("Verbosity is %s.\n"), value
);
1651 show_history_expansion_p (struct ui_file
*file
, int from_tty
,
1652 struct cmd_list_element
*c
, const char *value
)
1654 fprintf_filtered (file
, _("History expansion on command input is %s.\n"),
1659 show_remote_debug (struct ui_file
*file
, int from_tty
,
1660 struct cmd_list_element
*c
, const char *value
)
1662 fprintf_filtered (file
, _("Debugging of remote protocol is %s.\n"),
1667 show_remote_timeout (struct ui_file
*file
, int from_tty
,
1668 struct cmd_list_element
*c
, const char *value
)
1670 fprintf_filtered (file
,
1671 _("Timeout limit to wait for target to respond is %s.\n"),
1676 show_max_user_call_depth (struct ui_file
*file
, int from_tty
,
1677 struct cmd_list_element
*c
, const char *value
)
1679 fprintf_filtered (file
,
1680 _("The max call depth for user-defined commands is %s.\n"),
1685 _initialize_cli_cmds (void)
1687 struct cmd_list_element
*c
;
1689 /* Define the classes of commands.
1690 They will appear in the help list in alphabetical order. */
1692 add_cmd ("internals", class_maintenance
, _("\
1693 Maintenance commands.\n\
1694 Some gdb commands are provided just for use by gdb maintainers.\n\
1695 These commands are subject to frequent change, and may not be as\n\
1696 well documented as user commands."),
1698 add_cmd ("obscure", class_obscure
, _("Obscure features."), &cmdlist
);
1699 add_cmd ("aliases", class_alias
,
1700 _("Aliases of other commands."), &cmdlist
);
1701 add_cmd ("user-defined", class_user
, _("\
1702 User-defined commands.\n\
1703 The commands in this class are those defined by the user.\n\
1704 Use the \"define\" command to define a command."), &cmdlist
);
1705 add_cmd ("support", class_support
, _("Support facilities."), &cmdlist
);
1707 add_cmd ("status", class_info
, _("Status inquiries."), &cmdlist
);
1708 add_cmd ("files", class_files
, _("Specifying and examining files."),
1710 add_cmd ("breakpoints", class_breakpoint
,
1711 _("Making program stop at certain points."), &cmdlist
);
1712 add_cmd ("data", class_vars
, _("Examining data."), &cmdlist
);
1713 add_cmd ("stack", class_stack
, _("\
1714 Examining the stack.\n\
1715 The stack is made up of stack frames. Gdb assigns numbers to stack frames\n\
1716 counting from zero for the innermost (currently executing) frame.\n\n\
1717 At any time gdb identifies one frame as the \"selected\" frame.\n\
1718 Variable lookups are done with respect to the selected frame.\n\
1719 When the program being debugged stops, gdb selects the innermost frame.\n\
1720 The commands below can be used to select other frames by number or address."),
1722 add_cmd ("running", class_run
, _("Running the program."), &cmdlist
);
1724 /* Define general commands. */
1726 add_com ("pwd", class_files
, pwd_command
, _("\
1727 Print working directory. This is used for your program as well."));
1729 c
= add_cmd ("cd", class_files
, cd_command
, _("\
1730 Set working directory to DIR for debugger and program being debugged.\n\
1731 The change does not take effect for the program being debugged\n\
1732 until the next time it is started."), &cmdlist
);
1733 set_cmd_completer (c
, filename_completer
);
1735 add_com ("echo", class_support
, echo_command
, _("\
1736 Print a constant string. Give string as argument.\n\
1737 C escape sequences may be used in the argument.\n\
1738 No newline is added at the end of the argument;\n\
1739 use \"\\n\" if you want a newline to be printed.\n\
1740 Since leading and trailing whitespace are ignored in command arguments,\n\
1741 if you want to print some you must use \"\\\" before leading whitespace\n\
1742 to be printed or after trailing whitespace."));
1744 add_setshow_enum_cmd ("script-extension", class_support
,
1745 script_ext_enums
, &script_ext_mode
, _("\
1746 Set mode for script filename extension recognition."), _("\
1747 Show mode for script filename extension recognition."), _("\
1748 off == no filename extension recognition (all sourced files are GDB scripts)\n\
1749 soft == evaluate script according to filename extension, fallback to GDB script"
1751 strict == evaluate script according to filename extension, error if not supported"
1754 show_script_ext_mode
,
1755 &setlist
, &showlist
);
1757 add_com ("quit", class_support
, quit_command
, _("\
1759 Usage: quit [EXPR]\n\
1760 The optional expression EXPR, if present, is evaluated and the result\n\
1761 used as GDB's exit code. The default is zero."));
1762 c
= add_com ("help", class_support
, help_command
,
1763 _("Print list of commands."));
1764 set_cmd_completer (c
, command_completer
);
1765 add_com_alias ("q", "quit", class_support
, 1);
1766 add_com_alias ("h", "help", class_support
, 1);
1768 add_setshow_boolean_cmd ("verbose", class_support
, &info_verbose
, _("\
1769 Set verbosity."), _("\
1770 Show verbosity."), NULL
,
1773 &setlist
, &showlist
);
1775 add_prefix_cmd ("history", class_support
, set_history
,
1776 _("Generic command for setting command history parameters."),
1777 &sethistlist
, "set history ", 0, &setlist
);
1778 add_prefix_cmd ("history", class_support
, show_history
,
1779 _("Generic command for showing command history parameters."),
1780 &showhistlist
, "show history ", 0, &showlist
);
1782 add_setshow_boolean_cmd ("expansion", no_class
, &history_expansion_p
, _("\
1783 Set history expansion on command input."), _("\
1784 Show history expansion on command input."), _("\
1785 Without an argument, history expansion is enabled."),
1787 show_history_expansion_p
,
1788 &sethistlist
, &showhistlist
);
1790 add_prefix_cmd ("info", class_info
, info_command
, _("\
1791 Generic command for showing things about the program being debugged."),
1792 &infolist
, "info ", 0, &cmdlist
);
1793 add_com_alias ("i", "info", class_info
, 1);
1794 add_com_alias ("inf", "info", class_info
, 1);
1796 add_com ("complete", class_obscure
, complete_command
,
1797 _("List the completions for the rest of the line as a command."));
1799 add_prefix_cmd ("show", class_info
, show_command
, _("\
1800 Generic command for showing things about the debugger."),
1801 &showlist
, "show ", 0, &cmdlist
);
1802 /* Another way to get at the same thing. */
1803 add_info ("set", show_command
, _("Show all GDB settings."));
1805 add_cmd ("commands", no_set_class
, show_commands
, _("\
1806 Show the history of commands you typed.\n\
1807 You can supply a command number to start with, or a `+' to start after\n\
1808 the previous command number shown."),
1811 add_cmd ("version", no_set_class
, show_version
,
1812 _("Show what version of GDB this is."), &showlist
);
1814 add_cmd ("configuration", no_set_class
, show_configuration
,
1815 _("Show how GDB was configured at build time."), &showlist
);
1817 add_setshow_zinteger_cmd ("remote", no_class
, &remote_debug
, _("\
1818 Set debugging of remote protocol."), _("\
1819 Show debugging of remote protocol."), _("\
1820 When enabled, each packet sent or received with the remote target\n\
1824 &setdebuglist
, &showdebuglist
);
1826 add_setshow_zuinteger_unlimited_cmd ("remotetimeout", no_class
,
1827 &remote_timeout
, _("\
1828 Set timeout limit to wait for target to respond."), _("\
1829 Show timeout limit to wait for target to respond."), _("\
1830 This value is used to set the time limit for gdb to wait for a response\n\
1833 show_remote_timeout
,
1834 &setlist
, &showlist
);
1836 add_prefix_cmd ("debug", no_class
, set_debug
,
1837 _("Generic command for setting gdb debugging flags"),
1838 &setdebuglist
, "set debug ", 0, &setlist
);
1840 add_prefix_cmd ("debug", no_class
, show_debug
,
1841 _("Generic command for showing gdb debugging flags"),
1842 &showdebuglist
, "show debug ", 0, &showlist
);
1844 c
= add_com ("shell", class_support
, shell_command
, _("\
1845 Execute the rest of the line as a shell command.\n\
1846 With no arguments, run an inferior shell."));
1847 set_cmd_completer (c
, filename_completer
);
1849 c
= add_com ("edit", class_files
, edit_command
, _("\
1850 Edit specified file or function.\n\
1851 With no argument, edits file containing most recent line listed.\n\
1852 Editing targets can be specified in these ways:\n\
1853 FILE:LINENUM, to edit at that line in that file,\n\
1854 FUNCTION, to edit at the beginning of that function,\n\
1855 FILE:FUNCTION, to distinguish among like-named static functions.\n\
1856 *ADDRESS, to edit at the line containing that address.\n\
1857 Uses EDITOR environment variable contents as editor (or ex as default)."));
1859 c
->completer
= location_completer
;
1861 add_com ("list", class_files
, list_command
, _("\
1862 List specified function or line.\n\
1863 With no argument, lists ten more lines after or around previous listing.\n\
1864 \"list -\" lists the ten lines before a previous ten-line listing.\n\
1865 One argument specifies a line, and ten lines are listed around that line.\n\
1866 Two arguments with comma between specify starting and ending lines to list.\n\
1867 Lines can be specified in these ways:\n\
1868 LINENUM, to list around that line in current file,\n\
1869 FILE:LINENUM, to list around that line in that file,\n\
1870 FUNCTION, to list around beginning of that function,\n\
1871 FILE:FUNCTION, to distinguish among like-named static functions.\n\
1872 *ADDRESS, to list around the line containing that address.\n\
1873 With two args, if one is empty, it stands for ten lines away from\n\
1876 By default, when a single location is given, display ten lines.\n\
1877 This can be changed using \"set listsize\", and the current value\n\
1878 can be shown using \"show listsize\"."));
1880 add_com_alias ("l", "list", class_files
, 1);
1883 add_com_alias ("file", "list", class_files
, 1);
1885 c
= add_com ("disassemble", class_vars
, disassemble_command
, _("\
1886 Disassemble a specified section of memory.\n\
1887 Default is the function surrounding the pc of the selected frame.\n\
1889 With a /m modifier, source lines are included (if available).\n\
1890 This view is \"source centric\": the output is in source line order,\n\
1891 regardless of any optimization that is present. Only the main source file\n\
1892 is displayed, not those of, e.g., any inlined functions.\n\
1893 This modifier hasn't proved useful in practice and is deprecated\n\
1896 With a /s modifier, source lines are included (if available).\n\
1897 This differs from /m in two important respects:\n\
1898 - the output is still in pc address order, and\n\
1899 - file names and contents for all relevant source files are displayed.\n\
1901 With a /r modifier, raw instructions in hex are included.\n\
1903 With a single argument, the function surrounding that address is dumped.\n\
1904 Two arguments (separated by a comma) are taken as a range of memory to dump,\n\
1905 in the form of \"start,end\", or \"start,+length\".\n\
1907 Note that the address is interpreted as an expression, not as a location\n\
1908 like in the \"break\" command.\n\
1909 So, for example, if you want to disassemble function bar in file foo.c\n\
1910 you must type \"disassemble 'foo.c'::bar\" and not \"disassemble foo.c:bar\"."));
1911 set_cmd_completer (c
, location_completer
);
1913 add_com_alias ("!", "shell", class_support
, 0);
1915 c
= add_com ("make", class_support
, make_command
, _("\
1916 Run the ``make'' program using the rest of the line as arguments."));
1917 set_cmd_completer (c
, filename_completer
);
1918 add_cmd ("user", no_class
, show_user
, _("\
1919 Show definitions of non-python/scheme user defined commands.\n\
1920 Argument is the name of the user defined command.\n\
1921 With no argument, show definitions of all user defined commands."), &showlist
);
1922 add_com ("apropos", class_support
, apropos_command
,
1923 _("Search for commands matching a REGEXP"));
1925 add_setshow_uinteger_cmd ("max-user-call-depth", no_class
,
1926 &max_user_call_depth
, _("\
1927 Set the max call depth for non-python/scheme user-defined commands."), _("\
1928 Show the max call depth for non-python/scheme user-defined commands."), NULL
,
1930 show_max_user_call_depth
,
1931 &setlist
, &showlist
);
1933 add_setshow_boolean_cmd ("trace-commands", no_class
, &trace_commands
, _("\
1934 Set tracing of GDB CLI commands."), _("\
1935 Show state of GDB CLI command tracing."), _("\
1936 When 'on', each command is displayed as it is executed."),
1939 &setlist
, &showlist
);
1941 c
= add_com ("alias", class_support
, alias_command
, _("\
1942 Define a new command that is an alias of an existing command.\n\
1943 Usage: alias [-a] [--] ALIAS = COMMAND\n\
1944 ALIAS is the name of the alias command to create.\n\
1945 COMMAND is the command being aliased to.\n\
1946 If \"-a\" is specified, the command is an abbreviation,\n\
1947 and will not appear in help command list output.\n\
1950 Make \"spe\" an alias of \"set print elements\":\n\
1951 alias spe = set print elements\n\
1952 Make \"elms\" an alias of \"elements\" in the \"set print\" command:\n\
1953 alias -a set print elms = set print elements"));
1957 init_cli_cmds (void)
1959 struct cmd_list_element
*c
;
1960 char *source_help_text
;
1962 source_help_text
= xstrprintf (_("\
1963 Read commands from a file named FILE.\n\
1965 Usage: source [-s] [-v] FILE\n\
1966 -s: search for the script in the source search path,\n\
1967 even if FILE contains directories.\n\
1968 -v: each command in FILE is echoed as it is executed.\n\
1970 Note that the file \"%s\" is read automatically in this way\n\
1971 when GDB is started."), gdbinit
);
1972 c
= add_cmd ("source", class_support
, source_command
,
1973 source_help_text
, &cmdlist
);
1974 set_cmd_completer (c
, filename_completer
);