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 make_command (char *, int);
73 static void shell_escape (const char *, int);
75 static void edit_command (char *, int);
77 static void list_command (char *, int);
79 /* Prototypes for local utility functions */
81 static void print_sal_location (const symtab_and_line
&sal
);
83 static void ambiguous_line_spec (gdb::array_view
<const symtab_and_line
> sals
,
84 const char *format
, ...)
85 ATTRIBUTE_PRINTF (2, 3);
87 static void filter_sals (std::vector
<symtab_and_line
> &);
90 /* Limit the call depth of user-defined commands */
91 unsigned int max_user_call_depth
;
93 /* Define all cmd_list_elements. */
95 /* Chain containing all defined commands. */
97 struct cmd_list_element
*cmdlist
;
99 /* Chain containing all defined info subcommands. */
101 struct cmd_list_element
*infolist
;
103 /* Chain containing all defined enable subcommands. */
105 struct cmd_list_element
*enablelist
;
107 /* Chain containing all defined disable subcommands. */
109 struct cmd_list_element
*disablelist
;
111 /* Chain containing all defined stop subcommands. */
113 struct cmd_list_element
*stoplist
;
115 /* Chain containing all defined delete subcommands. */
117 struct cmd_list_element
*deletelist
;
119 /* Chain containing all defined detach subcommands. */
121 struct cmd_list_element
*detachlist
;
123 /* Chain containing all defined kill subcommands. */
125 struct cmd_list_element
*killlist
;
127 /* Chain containing all defined set subcommands */
129 struct cmd_list_element
*setlist
;
131 /* Chain containing all defined unset subcommands */
133 struct cmd_list_element
*unsetlist
;
135 /* Chain containing all defined show subcommands. */
137 struct cmd_list_element
*showlist
;
139 /* Chain containing all defined \"set history\". */
141 struct cmd_list_element
*sethistlist
;
143 /* Chain containing all defined \"show history\". */
145 struct cmd_list_element
*showhistlist
;
147 /* Chain containing all defined \"unset history\". */
149 struct cmd_list_element
*unsethistlist
;
151 /* Chain containing all defined maintenance subcommands. */
153 struct cmd_list_element
*maintenancelist
;
155 /* Chain containing all defined "maintenance info" subcommands. */
157 struct cmd_list_element
*maintenanceinfolist
;
159 /* Chain containing all defined "maintenance print" subcommands. */
161 struct cmd_list_element
*maintenanceprintlist
;
163 /* Chain containing all defined "maintenance check" subcommands. */
165 struct cmd_list_element
*maintenancechecklist
;
167 struct cmd_list_element
*setprintlist
;
169 struct cmd_list_element
*showprintlist
;
171 struct cmd_list_element
*setdebuglist
;
173 struct cmd_list_element
*showdebuglist
;
175 struct cmd_list_element
*setchecklist
;
177 struct cmd_list_element
*showchecklist
;
179 /* Command tracing state. */
181 int source_verbose
= 0;
182 int trace_commands
= 0;
184 /* 'script-extension' option support. */
186 static const char script_ext_off
[] = "off";
187 static const char script_ext_soft
[] = "soft";
188 static const char script_ext_strict
[] = "strict";
190 static const char *const script_ext_enums
[] = {
197 static const char *script_ext_mode
= script_ext_soft
;
199 /* Utility used everywhere when at least one argument is needed and
203 error_no_arg (const char *why
)
205 error (_("Argument required (%s)."), why
);
208 /* The "info" command is defined as a prefix, with allow_unknown = 0.
209 Therefore, its own definition is called only for "info" with no
213 info_command (const char *arg
, int from_tty
)
215 printf_unfiltered (_("\"info\" must be followed by "
216 "the name of an info command.\n"));
217 help_list (infolist
, "info ", all_commands
, gdb_stdout
);
220 /* The "show" command with no arguments shows all the settings. */
223 show_command (const char *arg
, int from_tty
)
225 cmd_show_list (showlist
, from_tty
, "");
228 /* A temporary non-const overload of show_command. */
231 show_command (char *arg
, int from_tty
)
233 cmd_show_list (showlist
, from_tty
, "");
237 /* Provide documentation on command or list given by COMMAND. FROM_TTY
241 help_command (char *command
, int from_tty
)
243 help_cmd (command
, gdb_stdout
);
247 /* Note: The "complete" command is used by Emacs to implement completion.
248 [Is that why this function writes output with *_unfiltered?] */
251 complete_command (char *arg_entry
, int from_tty
)
253 const char *arg
= arg_entry
;
257 if (max_completions
== 0)
259 /* Only print this for non-mi frontends. An MI frontend may not
260 be able to handle this. */
261 if (!current_uiout
->is_mi_like_p ())
263 printf_unfiltered (_("max-completions is zero,"
264 " completion is disabled.\n"));
272 completion_tracker tracker_handle_brkchars
;
273 completion_tracker tracker_handle_completions
;
274 completion_tracker
*tracker
;
276 int quote_char
= '\0';
281 word
= completion_find_completion_word (tracker_handle_brkchars
,
284 /* Completers that provide a custom word point in the
285 handle_brkchars phase also compute their completions then.
286 Completers that leave the completion word handling to readline
287 must be called twice. */
288 if (tracker_handle_brkchars
.use_custom_word_point ())
289 tracker
= &tracker_handle_brkchars
;
292 complete_line (tracker_handle_completions
, word
, arg
, strlen (arg
));
293 tracker
= &tracker_handle_completions
;
296 CATCH (ex
, RETURN_MASK_ALL
)
302 std::string
arg_prefix (arg
, word
- arg
);
304 completion_result result
305 = tracker
->build_completion_result (word
, word
- arg
, strlen (arg
));
307 if (result
.number_matches
!= 0)
309 if (result
.number_matches
== 1)
310 printf_unfiltered ("%s%s\n", arg_prefix
.c_str (), result
.match_list
[0]);
313 result
.sort_match_list ();
315 for (size_t i
= 0; i
< result
.number_matches
; i
++)
317 printf_unfiltered ("%s%s",
319 result
.match_list
[i
+ 1]);
321 printf_unfiltered ("%c", quote_char
);
322 printf_unfiltered ("\n");
326 if (result
.number_matches
== max_completions
)
328 /* ARG_PREFIX and WORD are included in the output so that emacs
329 will include the message in the output. */
330 printf_unfiltered (_("%s%s %s\n"),
331 arg_prefix
.c_str (), word
,
332 get_max_completions_reached_message ());
338 is_complete_command (struct cmd_list_element
*c
)
340 return cmd_cfunc_eq (c
, complete_command
);
344 show_version (const char *args
, int from_tty
)
346 print_gdb_version (gdb_stdout
);
347 printf_filtered ("\n");
351 show_configuration (const char *args
, int from_tty
)
353 print_gdb_configuration (gdb_stdout
);
356 /* Handle the quit command. */
359 quit_command (char *args
, int from_tty
)
363 /* An optional expression may be used to cause gdb to terminate with
364 the value of that expression. */
367 struct value
*val
= parse_and_eval (args
);
369 exit_code
= (int) value_as_long (val
);
372 if (!quit_confirm ())
373 error (_("Not confirmed."));
375 query_if_trace_running (from_tty
);
377 quit_force (args
? &exit_code
: NULL
, from_tty
);
381 pwd_command (char *args
, int from_tty
)
384 error (_("The \"pwd\" command does not take an argument: %s"), args
);
386 gdb::unique_xmalloc_ptr
<char> cwd (getcwd (NULL
, 0));
389 error (_("Error finding name of working directory: %s"),
390 safe_strerror (errno
));
392 if (strcmp (cwd
.get (), current_directory
) != 0)
393 printf_unfiltered (_("Working directory %s\n (canonically %s).\n"),
394 current_directory
, cwd
.get ());
396 printf_unfiltered (_("Working directory %s.\n"), current_directory
);
400 cd_command (const char *dir
, int from_tty
)
403 /* Found something other than leading repetitions of "/..". */
407 /* If the new directory is absolute, repeat is a no-op; if relative,
408 repeat might be useful but is more likely to be a mistake. */
411 gdb::unique_xmalloc_ptr
<char> dir_holder
412 (tilde_expand (dir
!= NULL
? dir
: "~"));
413 dir
= dir_holder
.get ();
416 perror_with_name (dir
);
418 #ifdef HAVE_DOS_BASED_FILE_SYSTEM
419 /* There's too much mess with DOSish names like "d:", "d:.",
420 "d:./foo" etc. Instead of having lots of special #ifdef'ed code,
421 simply get the canonicalized name of the current directory. */
422 gdb::unique_xmalloc_ptr
<char> cwd (getcwd (NULL
, 0));
427 if (IS_DIR_SEPARATOR (dir
[len
- 1]))
429 /* Remove the trailing slash unless this is a root directory
430 (including a drive letter on non-Unix systems). */
431 if (!(len
== 1) /* "/" */
432 #ifdef HAVE_DOS_BASED_FILE_SYSTEM
433 && !(len
== 3 && dir
[1] == ':') /* "d:/" */
439 dir_holder
.reset (savestring (dir
, len
));
440 if (IS_ABSOLUTE_PATH (dir_holder
.get ()))
442 xfree (current_directory
);
443 current_directory
= dir_holder
.release ();
447 if (IS_DIR_SEPARATOR (current_directory
[strlen (current_directory
) - 1]))
448 current_directory
= concat (current_directory
, dir_holder
.get (),
451 current_directory
= concat (current_directory
, SLASH_STRING
,
452 dir_holder
.get (), (char *) NULL
);
455 /* Now simplify any occurrences of `.' and `..' in the pathname. */
458 for (p
= current_directory
; *p
;)
460 if (IS_DIR_SEPARATOR (p
[0]) && p
[1] == '.'
461 && (p
[2] == 0 || IS_DIR_SEPARATOR (p
[2])))
462 memmove (p
, p
+ 2, strlen (p
+ 2) + 1);
463 else if (IS_DIR_SEPARATOR (p
[0]) && p
[1] == '.' && p
[2] == '.'
464 && (p
[3] == 0 || IS_DIR_SEPARATOR (p
[3])))
468 /* Search backwards for the directory just before the "/.."
469 and obliterate it and the "/..". */
472 while (q
!= current_directory
&& !IS_DIR_SEPARATOR (q
[-1]))
475 if (q
== current_directory
)
476 /* current_directory is
477 a relative pathname ("can't happen"--leave it alone). */
481 memmove (q
- 1, p
+ 3, strlen (p
+ 3) + 1);
486 /* We are dealing with leading repetitions of "/..", for
487 example "/../..", which is the Mach super-root. */
497 forget_cached_source_info ();
500 pwd_command ((char *) 0, 1);
503 /* Show the current value of the 'script-extension' option. */
506 show_script_ext_mode (struct ui_file
*file
, int from_tty
,
507 struct cmd_list_element
*c
, const char *value
)
509 fprintf_filtered (file
,
510 _("Script filename extension recognition is \"%s\".\n"),
514 /* Try to open SCRIPT_FILE.
515 If successful, the full path name is stored in *FULL_PATHP,
516 and the stream is returned.
517 If not successful, return NULL; errno is set for the last file
520 If SEARCH_PATH is non-zero, and the file isn't found in cwd,
521 search for it in the source search path. */
523 gdb::optional
<open_script
>
524 find_and_open_script (const char *script_file
, int search_path
)
527 int search_flags
= OPF_TRY_CWD_FIRST
| OPF_RETURN_REALPATH
;
528 gdb::optional
<open_script
> opened
;
530 gdb::unique_xmalloc_ptr
<char> file (tilde_expand (script_file
));
533 search_flags
|= OPF_SEARCH_IN_PATH
;
535 /* Search for and open 'file' on the search path used for source
536 files. Put the full location in *FULL_PATHP. */
538 fd
= openp (source_path
, search_flags
,
539 file
.get (), O_RDONLY
, &temp_path
);
540 gdb::unique_xmalloc_ptr
<char> full_path (temp_path
);
545 FILE *result
= fdopen (fd
, FOPEN_RT
);
548 int save_errno
= errno
;
554 opened
.emplace (gdb_file_up (result
), std::move (full_path
));
559 /* Load script FILE, which has already been opened as STREAM.
560 FILE_TO_OPEN is the form of FILE to use if one needs to open the file.
561 This is provided as FILE may have been found via the source search path.
562 An important thing to note here is that FILE may be a symlink to a file
563 with a different or non-existing suffix, and thus one cannot infer the
564 extension language from FILE_TO_OPEN. */
567 source_script_from_stream (FILE *stream
, const char *file
,
568 const char *file_to_open
)
570 if (script_ext_mode
!= script_ext_off
)
572 const struct extension_language_defn
*extlang
573 = get_ext_lang_of_file (file
);
577 if (ext_lang_present_p (extlang
))
579 script_sourcer_func
*sourcer
580 = ext_lang_script_sourcer (extlang
);
582 gdb_assert (sourcer
!= NULL
);
583 sourcer (extlang
, stream
, file_to_open
);
586 else if (script_ext_mode
== script_ext_soft
)
588 /* Assume the file is a gdb script.
589 This is handled below. */
592 throw_ext_lang_unsupported (extlang
);
596 script_from_file (stream
, file
);
599 /* Worker to perform the "source" command.
601 If SEARCH_PATH is non-zero, and the file isn't found in cwd,
602 search for it in the source search path. */
605 source_script_with_search (const char *file
, int from_tty
, int search_path
)
608 if (file
== NULL
|| *file
== 0)
609 error (_("source command requires file name of file to source."));
611 gdb::optional
<open_script
> opened
= find_and_open_script (file
, search_path
);
614 /* The script wasn't found, or was otherwise inaccessible.
615 If the source command was invoked interactively, throw an
616 error. Otherwise (e.g. if it was invoked by a script),
617 just emit a warning, rather than cause an error. */
619 perror_with_name (file
);
622 perror_warning_with_name (file
);
627 /* The python support reopens the file, so we need to pass full_path here
628 in case the file was found on the search path. It's useful to do this
629 anyway so that error messages show the actual file used. But only do
630 this if we (may have) used search_path, as printing the full path in
631 errors for the non-search case can be more noise than signal. */
632 source_script_from_stream (opened
->stream
.get (), file
,
633 search_path
? opened
->full_path
.get () : file
);
636 /* Wrapper around source_script_with_search to export it to main.c
637 for use in loading .gdbinit scripts. */
640 source_script (const char *file
, int from_tty
)
642 source_script_with_search (file
, from_tty
, 0);
646 source_command (const char *args
, int from_tty
)
648 const char *file
= args
;
651 scoped_restore save_source_verbose
= make_scoped_restore (&source_verbose
);
653 /* -v causes the source command to run in verbose mode.
654 -s causes the file to be searched in the source search path,
655 even if the file name contains a '/'.
656 We still have to be able to handle filenames with spaces in a
657 backward compatible way, so buildargv is not appropriate. */
661 while (args
[0] != '\0')
663 /* Make sure leading white space does not break the
665 args
= skip_spaces (args
);
670 if (args
[1] == 'v' && isspace (args
[2]))
674 /* Skip passed -v. */
677 else if (args
[1] == 's' && isspace (args
[2]))
681 /* Skip passed -s. */
688 file
= skip_spaces (args
);
691 source_script_with_search (file
, from_tty
, search_path
);
696 echo_command (char *text
, int from_tty
)
698 const char *p
= text
;
702 while ((c
= *p
++) != '\0')
706 /* \ at end of argument is used after spaces
707 so they won't be lost. */
711 c
= parse_escape (get_current_arch (), &p
);
713 printf_filtered ("%c", c
);
716 printf_filtered ("%c", c
);
719 /* Force this output to appear now. */
721 gdb_flush (gdb_stdout
);
725 shell_escape (const char *arg
, int from_tty
)
727 #if defined(CANT_FORK) || \
728 (!defined(HAVE_WORKING_VFORK) && !defined(HAVE_WORKING_FORK))
729 /* If ARG is NULL, they want an inferior shell, but `system' just
730 reports if the shell is available when passed a NULL arg. */
731 int rc
= system (arg
? arg
: "");
734 arg
= "inferior shell";
738 fprintf_unfiltered (gdb_stderr
, "Cannot execute %s: %s\n", arg
,
739 safe_strerror (errno
));
740 gdb_flush (gdb_stderr
);
744 fprintf_unfiltered (gdb_stderr
, "%s exited with status %d\n", arg
, rc
);
745 gdb_flush (gdb_stderr
);
748 /* Make sure to return to the directory GDB thinks it is, in case
749 the shell command we just ran changed it. */
750 chdir (current_directory
);
752 #else /* Can fork. */
755 if ((pid
= vfork ()) == 0)
757 const char *p
, *user_shell
;
761 if ((user_shell
= (char *) getenv ("SHELL")) == NULL
)
762 user_shell
= "/bin/sh";
764 /* Get the name of the shell for arg0. */
765 p
= lbasename (user_shell
);
768 execl (user_shell
, p
, (char *) 0);
770 execl (user_shell
, p
, "-c", arg
, (char *) 0);
772 fprintf_unfiltered (gdb_stderr
, "Cannot execute %s: %s\n", user_shell
,
773 safe_strerror (errno
));
774 gdb_flush (gdb_stderr
);
779 waitpid (pid
, &status
, 0);
781 error (_("Fork failed"));
782 #endif /* Can fork. */
785 /* Implementation of the "shell" command. */
788 shell_command (char *arg
, int from_tty
)
790 shell_escape (arg
, from_tty
);
794 edit_command (char *arg
, int from_tty
)
796 struct symtab_and_line sal
;
802 /* Pull in the current default source line if necessary. */
805 set_default_source_symtab_and_line ();
806 sal
= get_current_source_symtab_and_line ();
809 /* Bare "edit" edits file with present line. */
814 error (_("No default source file yet."));
815 sal
.line
+= get_lines_to_list () / 2;
821 /* Now should only be one argument -- decode it in SAL. */
823 event_location_up location
= string_to_event_location (&arg1
,
825 std::vector
<symtab_and_line
> sals
= decode_line_1 (location
.get (),
826 DECODE_LINE_LIST_MODE
,
835 if (sals
.size () > 1)
837 ambiguous_line_spec (sals
,
838 _("Specified line is ambiguous:\n"));
845 error (_("Junk at end of line specification."));
847 /* If line was specified by address, first print exactly which
848 line, and which file. In this case, sal.symtab == 0 means
849 address is outside of all known source files, not that user
850 failed to give a filename. */
853 struct gdbarch
*gdbarch
;
856 error (_("No source file for address %s."),
857 paddress (get_current_arch (), sal
.pc
));
859 gdbarch
= get_objfile_arch (SYMTAB_OBJFILE (sal
.symtab
));
860 sym
= find_pc_function (sal
.pc
);
862 printf_filtered ("%s is in %s (%s:%d).\n",
863 paddress (gdbarch
, sal
.pc
),
864 SYMBOL_PRINT_NAME (sym
),
865 symtab_to_filename_for_display (sal
.symtab
),
868 printf_filtered ("%s is at %s:%d.\n",
869 paddress (gdbarch
, sal
.pc
),
870 symtab_to_filename_for_display (sal
.symtab
),
874 /* If what was given does not imply a symtab, it must be an
875 undebuggable symbol which means no source code. */
878 error (_("No line number known for %s."), arg
);
881 if ((editor
= (char *) getenv ("EDITOR")) == NULL
)
884 fn
= symtab_to_fullname (sal
.symtab
);
886 /* Quote the file name, in case it has whitespace or other special
888 p
= xstrprintf ("%s +%d \"%s\"", editor
, sal
.line
, fn
);
889 shell_escape (p
, from_tty
);
894 list_command (char *arg
, int from_tty
)
904 /* Pull in the current default source line if necessary. */
905 if (arg
== NULL
|| ((arg
[0] == '+' || arg
[0] == '-') && arg
[1] == '\0'))
907 set_default_source_symtab_and_line ();
908 symtab_and_line cursal
= get_current_source_symtab_and_line ();
910 /* If this is the first "list" since we've set the current
911 source line, center the listing around that line. */
912 if (get_first_line_listed () == 0)
916 first
= std::max (cursal
.line
- get_lines_to_list () / 2, 1);
918 /* A small special case --- if listing backwards, and we
919 should list only one line, list the preceding line,
920 instead of the exact line we've just shown after e.g.,
921 stopping for a breakpoint. */
922 if (arg
!= NULL
&& arg
[0] == '-'
923 && get_lines_to_list () == 1 && first
> 1)
926 print_source_lines (cursal
.symtab
, first
,
927 first
+ get_lines_to_list (), 0);
930 /* "l" or "l +" lists next ten lines. */
931 else if (arg
== NULL
|| arg
[0] == '+')
932 print_source_lines (cursal
.symtab
, cursal
.line
,
933 cursal
.line
+ get_lines_to_list (), 0);
935 /* "l -" lists previous ten lines, the ones before the ten just
937 else if (arg
[0] == '-')
939 if (get_first_line_listed () == 1)
940 error (_("Already at the start of %s."),
941 symtab_to_filename_for_display (cursal
.symtab
));
942 print_source_lines (cursal
.symtab
,
943 std::max (get_first_line_listed ()
944 - get_lines_to_list (), 1),
945 get_first_line_listed (), 0);
951 /* Now if there is only one argument, decode it in SAL
953 If there are two arguments, decode them in SAL and SAL_END
954 and clear NO_END; however, if one of the arguments is blank,
955 set DUMMY_BEG or DUMMY_END to record that fact. */
957 if (!have_full_symbols () && !have_partial_symbols ())
958 error (_("No symbol table is loaded. Use the \"file\" command."));
960 std::vector
<symtab_and_line
> sals
;
961 symtab_and_line sal
, sal_end
;
968 event_location_up location
= string_to_event_location (&arg1
,
970 sals
= decode_line_1 (location
.get (), DECODE_LINE_LIST_MODE
,
982 /* Record whether the BEG arg is all digits. */
984 for (p
= arg
; p
!= arg1
&& *p
>= '0' && *p
<= '9'; p
++);
985 linenum_beg
= (p
== arg1
);
987 /* Save the range of the first argument, in case we need to let the
988 user know it was ambiguous. */
989 const char *beg
= arg
;
990 size_t beg_len
= arg1
- beg
;
992 while (*arg1
== ' ' || *arg1
== '\t')
997 if (sals
.size () > 1)
999 ambiguous_line_spec (sals
,
1000 _("Specified first line '%.*s' is ambiguous:\n"),
1001 (int) beg_len
, beg
);
1005 while (*arg1
== ' ' || *arg1
== '\t')
1011 /* Save the last argument, in case we need to let the user
1012 know it was ambiguous. */
1013 const char *end_arg
= arg1
;
1015 event_location_up location
1016 = string_to_event_location (&arg1
, current_language
);
1018 std::vector
<symtab_and_line
> sals_end
1020 ? decode_line_1 (location
.get (), DECODE_LINE_LIST_MODE
,
1022 : decode_line_1 (location
.get (), DECODE_LINE_LIST_MODE
,
1023 NULL
, sal
.symtab
, sal
.line
));
1025 filter_sals (sals_end
);
1026 if (sals_end
.empty ())
1028 if (sals_end
.size () > 1)
1030 ambiguous_line_spec (sals_end
,
1031 _("Specified last line '%s' is ambiguous:\n"),
1035 sal_end
= sals_end
[0];
1040 error (_("Junk at end of line specification."));
1042 if (!no_end
&& !dummy_beg
&& !dummy_end
1043 && sal
.symtab
!= sal_end
.symtab
)
1044 error (_("Specified first and last lines are in different files."));
1045 if (dummy_beg
&& dummy_end
)
1046 error (_("Two empty args do not say what lines to list."));
1048 /* If line was specified by address,
1049 first print exactly which line, and which file.
1051 In this case, sal.symtab == 0 means address is outside of all
1052 known source files, not that user failed to give a filename. */
1055 struct gdbarch
*gdbarch
;
1057 if (sal
.symtab
== 0)
1058 error (_("No source file for address %s."),
1059 paddress (get_current_arch (), sal
.pc
));
1061 gdbarch
= get_objfile_arch (SYMTAB_OBJFILE (sal
.symtab
));
1062 sym
= find_pc_function (sal
.pc
);
1064 printf_filtered ("%s is in %s (%s:%d).\n",
1065 paddress (gdbarch
, sal
.pc
),
1066 SYMBOL_PRINT_NAME (sym
),
1067 symtab_to_filename_for_display (sal
.symtab
), sal
.line
);
1069 printf_filtered ("%s is at %s:%d.\n",
1070 paddress (gdbarch
, sal
.pc
),
1071 symtab_to_filename_for_display (sal
.symtab
), sal
.line
);
1074 /* If line was not specified by just a line number, and it does not
1075 imply a symtab, it must be an undebuggable symbol which means no
1078 if (!linenum_beg
&& sal
.symtab
== 0)
1079 error (_("No line number known for %s."), arg
);
1081 /* If this command is repeated with RET,
1082 turn it into the no-arg variant. */
1087 if (dummy_beg
&& sal_end
.symtab
== 0)
1088 error (_("No default source file yet. Do \"help list\"."));
1090 print_source_lines (sal_end
.symtab
,
1091 std::max (sal_end
.line
- (get_lines_to_list () - 1), 1),
1092 sal_end
.line
+ 1, 0);
1093 else if (sal
.symtab
== 0)
1094 error (_("No default source file yet. Do \"help list\"."));
1097 for (int i
= 0; i
< sals
.size (); i
++)
1100 int first_line
= sal
.line
- get_lines_to_list () / 2;
1103 if (sals
.size () > 1)
1104 print_sal_location (sal
);
1105 print_source_lines (sal
.symtab
,
1107 first_line
+ get_lines_to_list (),
1112 print_source_lines (sal
.symtab
, sal
.line
,
1114 ? sal
.line
+ get_lines_to_list ()
1115 : sal_end
.line
+ 1),
1119 /* Subroutine of disassemble_command to simplify it.
1120 Perform the disassembly.
1121 NAME is the name of the function if known, or NULL.
1122 [LOW,HIGH) are the range of addresses to disassemble.
1123 MIXED is non-zero to print source with the assembler. */
1126 print_disassembly (struct gdbarch
*gdbarch
, const char *name
,
1127 CORE_ADDR low
, CORE_ADDR high
,
1128 gdb_disassembly_flags flags
)
1131 if (!tui_is_window_visible (DISASSEM_WIN
))
1134 printf_filtered ("Dump of assembler code ");
1136 printf_filtered ("for function %s:\n", name
);
1138 printf_filtered ("from %s to %s:\n",
1139 paddress (gdbarch
, low
), paddress (gdbarch
, high
));
1141 /* Dump the specified range. */
1142 gdb_disassembly (gdbarch
, current_uiout
, flags
, -1, low
, high
);
1144 printf_filtered ("End of assembler dump.\n");
1145 gdb_flush (gdb_stdout
);
1150 tui_show_assembly (gdbarch
, low
);
1155 /* Subroutine of disassemble_command to simplify it.
1156 Print a disassembly of the current function according to FLAGS. */
1159 disassemble_current_function (gdb_disassembly_flags flags
)
1161 struct frame_info
*frame
;
1162 struct gdbarch
*gdbarch
;
1163 CORE_ADDR low
, high
, pc
;
1166 frame
= get_selected_frame (_("No frame selected."));
1167 gdbarch
= get_frame_arch (frame
);
1168 pc
= get_frame_address_in_block (frame
);
1169 if (find_pc_partial_function (pc
, &name
, &low
, &high
) == 0)
1170 error (_("No function contains program counter for selected frame."));
1172 /* NOTE: cagney/2003-02-13 The `tui_active' was previously
1175 /* FIXME: cagney/2004-02-07: This should be an observer. */
1176 low
= tui_get_low_disassembly_address (gdbarch
, low
, pc
);
1178 low
+= gdbarch_deprecated_function_start_offset (gdbarch
);
1180 print_disassembly (gdbarch
, name
, low
, high
, flags
);
1183 /* Dump a specified section of assembly code.
1187 - dump the assembly code for the function of the current pc
1188 disassemble [/mrs] addr
1189 - dump the assembly code for the function at ADDR
1190 disassemble [/mrs] low,high
1191 disassemble [/mrs] low,+length
1192 - dump the assembly code in the range [LOW,HIGH), or [LOW,LOW+length)
1194 A /m modifier will include source code with the assembly in a
1195 "source centric" view. This view lists only the file of the first insn,
1196 even if other source files are involved (e.g., inlined functions), and
1197 the output is in source order, even with optimized code. This view is
1198 considered deprecated as it hasn't been useful in practice.
1200 A /r modifier will include raw instructions in hex with the assembly.
1202 A /s modifier will include source code with the assembly, like /m, with
1203 two important differences:
1204 1) The output is still in pc address order.
1205 2) File names and contents for all relevant source files are displayed. */
1208 disassemble_command (char *arg
, int from_tty
)
1210 struct gdbarch
*gdbarch
= get_current_arch ();
1211 CORE_ADDR low
, high
;
1214 gdb_disassembly_flags flags
;
1226 error (_("Missing modifier."));
1228 while (*p
&& ! isspace (*p
))
1233 flags
|= DISASSEMBLY_SOURCE_DEPRECATED
;
1236 flags
|= DISASSEMBLY_RAW_INSN
;
1239 flags
|= DISASSEMBLY_SOURCE
;
1242 error (_("Invalid disassembly modifier."));
1246 p
= skip_spaces (p
);
1249 if ((flags
& (DISASSEMBLY_SOURCE_DEPRECATED
| DISASSEMBLY_SOURCE
))
1250 == (DISASSEMBLY_SOURCE_DEPRECATED
| DISASSEMBLY_SOURCE
))
1251 error (_("Cannot specify both /m and /s."));
1255 flags
|= DISASSEMBLY_OMIT_FNAME
;
1256 disassemble_current_function (flags
);
1260 pc
= value_as_address (parse_to_comma_and_eval (&p
));
1266 if (find_pc_partial_function (pc
, &name
, &low
, &high
) == 0)
1267 error (_("No function contains specified address."));
1269 /* NOTE: cagney/2003-02-13 The `tui_active' was previously
1272 /* FIXME: cagney/2004-02-07: This should be an observer. */
1273 low
= tui_get_low_disassembly_address (gdbarch
, low
, pc
);
1275 low
+= gdbarch_deprecated_function_start_offset (gdbarch
);
1276 flags
|= DISASSEMBLY_OMIT_FNAME
;
1280 /* Two arguments. */
1283 p
= skip_spaces (p
);
1289 high
= parse_and_eval_address (p
);
1294 print_disassembly (gdbarch
, name
, low
, high
, flags
);
1298 make_command (char *arg
, int from_tty
)
1301 shell_escape ("make", from_tty
);
1304 std::string cmd
= std::string ("make ") + arg
;
1306 shell_escape (cmd
.c_str (), from_tty
);
1311 show_user (const char *args
, int from_tty
)
1313 struct cmd_list_element
*c
;
1314 extern struct cmd_list_element
*cmdlist
;
1318 const char *comname
= args
;
1320 c
= lookup_cmd (&comname
, cmdlist
, "", 0, 1);
1321 if (!cli_user_command_p (c
))
1322 error (_("Not a user command."));
1323 show_user_1 (c
, "", args
, gdb_stdout
);
1327 for (c
= cmdlist
; c
; c
= c
->next
)
1329 if (cli_user_command_p (c
) || c
->prefixlist
!= NULL
)
1330 show_user_1 (c
, "", c
->name
, gdb_stdout
);
1335 /* Search through names of commands and documentations for a certain
1336 regular expression. */
1339 apropos_command (char *searchstr
, int from_tty
)
1341 if (searchstr
== NULL
)
1342 error (_("REGEXP string is empty"));
1344 compiled_regex
pattern (searchstr
, REG_ICASE
,
1345 _("Error in regular expression"));
1347 apropos_cmd (gdb_stdout
, cmdlist
, pattern
, "");
1350 /* Subroutine of alias_command to simplify it.
1351 Return the first N elements of ARGV flattened back to a string
1352 with a space separating each element.
1353 ARGV may not be NULL.
1354 This does not take care of quoting elements in case they contain spaces
1358 argv_to_string (char **argv
, int n
)
1363 gdb_assert (argv
!= NULL
);
1364 gdb_assert (n
>= 0 && n
<= countargv (argv
));
1366 for (i
= 0; i
< n
; ++i
)
1376 /* Subroutine of alias_command to simplify it.
1377 Return TRUE if COMMAND exists, unambiguously. Otherwise FALSE. */
1380 valid_command_p (const char *command
)
1382 struct cmd_list_element
*c
;
1384 c
= lookup_cmd_1 (& command
, cmdlist
, NULL
, 1);
1386 if (c
== NULL
|| c
== (struct cmd_list_element
*) -1)
1389 /* This is the slightly tricky part.
1390 lookup_cmd_1 will return a pointer to the last part of COMMAND
1391 to match, leaving COMMAND pointing at the remainder. */
1392 while (*command
== ' ' || *command
== '\t')
1394 return *command
== '\0';
1397 /* Called when "alias" was incorrectly used. */
1400 alias_usage_error (void)
1402 error (_("Usage: alias [-a] [--] ALIAS = COMMAND"));
1405 /* Make an alias of an existing command. */
1408 alias_command (char *args
, int from_tty
)
1410 int i
, alias_argc
, command_argc
;
1411 int abbrev_flag
= 0;
1413 const char *alias
, *command
;
1415 if (args
== NULL
|| strchr (args
, '=') == NULL
)
1416 alias_usage_error ();
1418 equals
= strchr (args
, '=');
1419 std::string
args2 (args
, equals
- args
);
1421 gdb_argv
built_alias_argv (args2
.c_str ());
1422 gdb_argv
command_argv (equals
+ 1);
1424 char **alias_argv
= built_alias_argv
.get ();
1425 while (alias_argv
[0] != NULL
)
1427 if (strcmp (alias_argv
[0], "-a") == 0)
1432 else if (strcmp (alias_argv
[0], "--") == 0)
1441 if (alias_argv
[0] == NULL
|| command_argv
[0] == NULL
1442 || *alias_argv
[0] == '\0' || *command_argv
[0] == '\0')
1443 alias_usage_error ();
1445 for (i
= 0; alias_argv
[i
] != NULL
; ++i
)
1447 if (! valid_user_defined_cmd_name_p (alias_argv
[i
]))
1450 error (_("Invalid command name: %s"), alias_argv
[i
]);
1452 error (_("Invalid command element name: %s"), alias_argv
[i
]);
1456 alias_argc
= countargv (alias_argv
);
1457 command_argc
= command_argv
.count ();
1459 /* COMMAND must exist.
1460 Reconstruct the command to remove any extraneous spaces,
1461 for better error messages. */
1462 std::string
command_string (argv_to_string (command_argv
.get (),
1464 command
= command_string
.c_str ();
1465 if (! valid_command_p (command
))
1466 error (_("Invalid command to alias to: %s"), command
);
1468 /* ALIAS must not exist. */
1469 std::string
alias_string (argv_to_string (alias_argv
, alias_argc
));
1470 alias
= alias_string
.c_str ();
1471 if (valid_command_p (alias
))
1472 error (_("Alias already exists: %s"), alias
);
1474 /* If ALIAS is one word, it is an alias for the entire COMMAND.
1475 Example: alias spe = set print elements
1477 Otherwise ALIAS and COMMAND must have the same number of words,
1478 and every word except the last must match; and the last word of
1479 ALIAS is made an alias of the last word of COMMAND.
1480 Example: alias set print elms = set pr elem
1481 Note that unambiguous abbreviations are allowed. */
1483 if (alias_argc
== 1)
1485 /* add_cmd requires *we* allocate space for name, hence the xstrdup. */
1486 add_com_alias (xstrdup (alias_argv
[0]), command
, class_alias
,
1491 const char *alias_prefix
, *command_prefix
;
1492 struct cmd_list_element
*c_alias
, *c_command
;
1494 if (alias_argc
!= command_argc
)
1495 error (_("Mismatched command length between ALIAS and COMMAND."));
1497 /* Create copies of ALIAS and COMMAND without the last word,
1498 and use that to verify the leading elements match. */
1499 std::string
alias_prefix_string (argv_to_string (alias_argv
,
1501 std::string
command_prefix_string (argv_to_string (alias_argv
,
1503 alias_prefix
= alias_prefix_string
.c_str ();
1504 command_prefix
= command_prefix_string
.c_str ();
1506 c_command
= lookup_cmd_1 (& command_prefix
, cmdlist
, NULL
, 1);
1507 /* We've already tried to look up COMMAND. */
1508 gdb_assert (c_command
!= NULL
1509 && c_command
!= (struct cmd_list_element
*) -1);
1510 gdb_assert (c_command
->prefixlist
!= NULL
);
1511 c_alias
= lookup_cmd_1 (& alias_prefix
, cmdlist
, NULL
, 1);
1512 if (c_alias
!= c_command
)
1513 error (_("ALIAS and COMMAND prefixes do not match."));
1515 /* add_cmd requires *we* allocate space for name, hence the xstrdup. */
1516 add_alias_cmd (xstrdup (alias_argv
[alias_argc
- 1]),
1517 command_argv
[command_argc
- 1],
1518 class_alias
, abbrev_flag
, c_command
->prefixlist
);
1522 /* Print the file / line number / symbol name of the location
1523 specified by SAL. */
1526 print_sal_location (const symtab_and_line
&sal
)
1528 scoped_restore_current_program_space restore_pspace
;
1529 set_current_program_space (sal
.pspace
);
1531 const char *sym_name
= NULL
;
1532 if (sal
.symbol
!= NULL
)
1533 sym_name
= SYMBOL_PRINT_NAME (sal
.symbol
);
1534 printf_filtered (_("file: \"%s\", line number: %d, symbol: \"%s\"\n"),
1535 symtab_to_filename_for_display (sal
.symtab
),
1536 sal
.line
, sym_name
!= NULL
? sym_name
: "???");
1539 /* Print a list of files and line numbers which a user may choose from
1540 in order to list a function which was specified ambiguously (as
1541 with `list classname::overloadedfuncname', for example). The SALS
1542 array provides the filenames and line numbers. FORMAT is a
1543 printf-style format string used to tell the user what was
1547 ambiguous_line_spec (gdb::array_view
<const symtab_and_line
> sals
,
1548 const char *format
, ...)
1551 va_start (ap
, format
);
1552 vprintf_filtered (format
, ap
);
1555 for (const auto &sal
: sals
)
1556 print_sal_location (sal
);
1559 /* Comparison function for filter_sals. Returns a qsort-style
1563 cmp_symtabs (const symtab_and_line
&sala
, const symtab_and_line
&salb
)
1565 const char *dira
= SYMTAB_DIRNAME (sala
.symtab
);
1566 const char *dirb
= SYMTAB_DIRNAME (salb
.symtab
);
1574 else if (dirb
== NULL
)
1581 r
= filename_cmp (dira
, dirb
);
1586 r
= filename_cmp (sala
.symtab
->filename
, salb
.symtab
->filename
);
1590 if (sala
.line
< salb
.line
)
1592 return sala
.line
== salb
.line
? 0 : 1;
1595 /* Remove any SALs that do not match the current program space, or
1596 which appear to be "file:line" duplicates. */
1599 filter_sals (std::vector
<symtab_and_line
> &sals
)
1601 /* Remove SALs that do not match. */
1602 auto from
= std::remove_if (sals
.begin (), sals
.end (),
1603 [&] (const symtab_and_line
&sal
)
1604 { return (sal
.pspace
!= current_program_space
|| sal
.symtab
== NULL
); });
1607 std::sort (sals
.begin (), from
,
1608 [] (const symtab_and_line
&sala
, const symtab_and_line
&salb
)
1609 { return cmp_symtabs (sala
, salb
) < 0; });
1611 from
= std::unique (sals
.begin (), from
,
1612 [&] (const symtab_and_line
&sala
,
1613 const symtab_and_line
&salb
)
1614 { return cmp_symtabs (sala
, salb
) == 0; });
1616 sals
.erase (from
, sals
.end ());
1620 set_debug (const char *arg
, int from_tty
)
1622 printf_unfiltered (_("\"set debug\" must be followed by "
1623 "the name of a debug subcommand.\n"));
1624 help_list (setdebuglist
, "set debug ", all_commands
, gdb_stdout
);
1628 show_debug (const char *args
, int from_tty
)
1630 cmd_show_list (showdebuglist
, from_tty
, "");
1634 init_cmd_lists (void)
1636 max_user_call_depth
= 1024;
1640 show_info_verbose (struct ui_file
*file
, int from_tty
,
1641 struct cmd_list_element
*c
,
1645 fprintf_filtered (file
,
1646 _("Verbose printing of informational messages is %s.\n"),
1649 fprintf_filtered (file
, _("Verbosity is %s.\n"), value
);
1653 show_history_expansion_p (struct ui_file
*file
, int from_tty
,
1654 struct cmd_list_element
*c
, const char *value
)
1656 fprintf_filtered (file
, _("History expansion on command input is %s.\n"),
1661 show_remote_debug (struct ui_file
*file
, int from_tty
,
1662 struct cmd_list_element
*c
, const char *value
)
1664 fprintf_filtered (file
, _("Debugging of remote protocol is %s.\n"),
1669 show_remote_timeout (struct ui_file
*file
, int from_tty
,
1670 struct cmd_list_element
*c
, const char *value
)
1672 fprintf_filtered (file
,
1673 _("Timeout limit to wait for target to respond is %s.\n"),
1678 show_max_user_call_depth (struct ui_file
*file
, int from_tty
,
1679 struct cmd_list_element
*c
, const char *value
)
1681 fprintf_filtered (file
,
1682 _("The max call depth for user-defined commands is %s.\n"),
1687 _initialize_cli_cmds (void)
1689 struct cmd_list_element
*c
;
1691 /* Define the classes of commands.
1692 They will appear in the help list in alphabetical order. */
1694 add_cmd ("internals", class_maintenance
, _("\
1695 Maintenance commands.\n\
1696 Some gdb commands are provided just for use by gdb maintainers.\n\
1697 These commands are subject to frequent change, and may not be as\n\
1698 well documented as user commands."),
1700 add_cmd ("obscure", class_obscure
, _("Obscure features."), &cmdlist
);
1701 add_cmd ("aliases", class_alias
,
1702 _("Aliases of other commands."), &cmdlist
);
1703 add_cmd ("user-defined", class_user
, _("\
1704 User-defined commands.\n\
1705 The commands in this class are those defined by the user.\n\
1706 Use the \"define\" command to define a command."), &cmdlist
);
1707 add_cmd ("support", class_support
, _("Support facilities."), &cmdlist
);
1709 add_cmd ("status", class_info
, _("Status inquiries."), &cmdlist
);
1710 add_cmd ("files", class_files
, _("Specifying and examining files."),
1712 add_cmd ("breakpoints", class_breakpoint
,
1713 _("Making program stop at certain points."), &cmdlist
);
1714 add_cmd ("data", class_vars
, _("Examining data."), &cmdlist
);
1715 add_cmd ("stack", class_stack
, _("\
1716 Examining the stack.\n\
1717 The stack is made up of stack frames. Gdb assigns numbers to stack frames\n\
1718 counting from zero for the innermost (currently executing) frame.\n\n\
1719 At any time gdb identifies one frame as the \"selected\" frame.\n\
1720 Variable lookups are done with respect to the selected frame.\n\
1721 When the program being debugged stops, gdb selects the innermost frame.\n\
1722 The commands below can be used to select other frames by number or address."),
1724 add_cmd ("running", class_run
, _("Running the program."), &cmdlist
);
1726 /* Define general commands. */
1728 add_com ("pwd", class_files
, pwd_command
, _("\
1729 Print working directory. This is used for your program as well."));
1731 c
= add_cmd ("cd", class_files
, cd_command
, _("\
1732 Set working directory to DIR for debugger.\n\
1733 The debugger's current working directory specifies where scripts and other\n\
1734 files that can be loaded by GDB are located.\n\
1735 In order to change the inferior's current working directory, the recommended\n\
1736 way is to use the \"set cwd\" command."), &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
);