3 Copyright (C) 2000-2018 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"
46 #include "cli/cli-decode.h"
47 #include "cli/cli-script.h"
48 #include "cli/cli-setshow.h"
49 #include "cli/cli-cmds.h"
50 #include "cli/cli-utils.h"
52 #include "extension.h"
53 #include "common/pathstuff.h"
56 #include "tui/tui.h" /* For tui_active et.al. */
63 /* Prototypes for local utility functions */
65 static void print_sal_location (const symtab_and_line
&sal
);
67 static void ambiguous_line_spec (gdb::array_view
<const symtab_and_line
> sals
,
68 const char *format
, ...)
69 ATTRIBUTE_PRINTF (2, 3);
71 static void filter_sals (std::vector
<symtab_and_line
> &);
74 /* Limit the call depth of user-defined commands */
75 unsigned int max_user_call_depth
;
77 /* Define all cmd_list_elements. */
79 /* Chain containing all defined commands. */
81 struct cmd_list_element
*cmdlist
;
83 /* Chain containing all defined info subcommands. */
85 struct cmd_list_element
*infolist
;
87 /* Chain containing all defined enable subcommands. */
89 struct cmd_list_element
*enablelist
;
91 /* Chain containing all defined disable subcommands. */
93 struct cmd_list_element
*disablelist
;
95 /* Chain containing all defined stop subcommands. */
97 struct cmd_list_element
*stoplist
;
99 /* Chain containing all defined delete subcommands. */
101 struct cmd_list_element
*deletelist
;
103 /* Chain containing all defined detach subcommands. */
105 struct cmd_list_element
*detachlist
;
107 /* Chain containing all defined kill subcommands. */
109 struct cmd_list_element
*killlist
;
111 /* Chain containing all defined set subcommands */
113 struct cmd_list_element
*setlist
;
115 /* Chain containing all defined unset subcommands */
117 struct cmd_list_element
*unsetlist
;
119 /* Chain containing all defined show subcommands. */
121 struct cmd_list_element
*showlist
;
123 /* Chain containing all defined \"set history\". */
125 struct cmd_list_element
*sethistlist
;
127 /* Chain containing all defined \"show history\". */
129 struct cmd_list_element
*showhistlist
;
131 /* Chain containing all defined \"unset history\". */
133 struct cmd_list_element
*unsethistlist
;
135 /* Chain containing all defined maintenance subcommands. */
137 struct cmd_list_element
*maintenancelist
;
139 /* Chain containing all defined "maintenance info" subcommands. */
141 struct cmd_list_element
*maintenanceinfolist
;
143 /* Chain containing all defined "maintenance print" subcommands. */
145 struct cmd_list_element
*maintenanceprintlist
;
147 /* Chain containing all defined "maintenance check" subcommands. */
149 struct cmd_list_element
*maintenancechecklist
;
151 struct cmd_list_element
*setprintlist
;
153 struct cmd_list_element
*showprintlist
;
155 struct cmd_list_element
*setdebuglist
;
157 struct cmd_list_element
*showdebuglist
;
159 struct cmd_list_element
*setchecklist
;
161 struct cmd_list_element
*showchecklist
;
163 /* Command tracing state. */
165 int source_verbose
= 0;
166 int trace_commands
= 0;
168 /* 'script-extension' option support. */
170 static const char script_ext_off
[] = "off";
171 static const char script_ext_soft
[] = "soft";
172 static const char script_ext_strict
[] = "strict";
174 static const char *const script_ext_enums
[] = {
181 static const char *script_ext_mode
= script_ext_soft
;
183 /* Utility used everywhere when at least one argument is needed and
187 error_no_arg (const char *why
)
189 error (_("Argument required (%s)."), why
);
192 /* The "info" command is defined as a prefix, with allow_unknown = 0.
193 Therefore, its own definition is called only for "info" with no
197 info_command (const char *arg
, int from_tty
)
199 printf_unfiltered (_("\"info\" must be followed by "
200 "the name of an info command.\n"));
201 help_list (infolist
, "info ", all_commands
, gdb_stdout
);
204 /* The "show" command with no arguments shows all the settings. */
207 show_command (const char *arg
, int from_tty
)
209 cmd_show_list (showlist
, from_tty
, "");
213 /* Provide documentation on command or list given by COMMAND. FROM_TTY
217 help_command (const char *command
, int from_tty
)
219 help_cmd (command
, gdb_stdout
);
223 /* Note: The "complete" command is used by Emacs to implement completion.
224 [Is that why this function writes output with *_unfiltered?] */
227 complete_command (const char *arg
, int from_tty
)
231 if (max_completions
== 0)
233 /* Only print this for non-mi frontends. An MI frontend may not
234 be able to handle this. */
235 if (!current_uiout
->is_mi_like_p ())
237 printf_unfiltered (_("max-completions is zero,"
238 " completion is disabled.\n"));
246 completion_tracker tracker_handle_brkchars
;
247 completion_tracker tracker_handle_completions
;
248 completion_tracker
*tracker
;
250 int quote_char
= '\0';
255 word
= completion_find_completion_word (tracker_handle_brkchars
,
258 /* Completers that provide a custom word point in the
259 handle_brkchars phase also compute their completions then.
260 Completers that leave the completion word handling to readline
261 must be called twice. */
262 if (tracker_handle_brkchars
.use_custom_word_point ())
263 tracker
= &tracker_handle_brkchars
;
266 complete_line (tracker_handle_completions
, word
, arg
, strlen (arg
));
267 tracker
= &tracker_handle_completions
;
270 CATCH (ex
, RETURN_MASK_ALL
)
276 std::string
arg_prefix (arg
, word
- arg
);
278 completion_result result
279 = tracker
->build_completion_result (word
, word
- arg
, strlen (arg
));
281 if (result
.number_matches
!= 0)
283 if (result
.number_matches
== 1)
284 printf_unfiltered ("%s%s\n", arg_prefix
.c_str (), result
.match_list
[0]);
287 result
.sort_match_list ();
289 for (size_t i
= 0; i
< result
.number_matches
; i
++)
291 printf_unfiltered ("%s%s",
293 result
.match_list
[i
+ 1]);
295 printf_unfiltered ("%c", quote_char
);
296 printf_unfiltered ("\n");
300 if (result
.number_matches
== max_completions
)
302 /* ARG_PREFIX and WORD are included in the output so that emacs
303 will include the message in the output. */
304 printf_unfiltered (_("%s%s %s\n"),
305 arg_prefix
.c_str (), word
,
306 get_max_completions_reached_message ());
312 is_complete_command (struct cmd_list_element
*c
)
314 return cmd_cfunc_eq (c
, complete_command
);
318 show_version (const char *args
, int from_tty
)
320 print_gdb_version (gdb_stdout
, true);
321 printf_filtered ("\n");
325 show_configuration (const char *args
, int from_tty
)
327 print_gdb_configuration (gdb_stdout
);
330 /* Handle the quit command. */
333 quit_command (const char *args
, int from_tty
)
337 /* An optional expression may be used to cause gdb to terminate with
338 the value of that expression. */
341 struct value
*val
= parse_and_eval (args
);
343 exit_code
= (int) value_as_long (val
);
346 if (!quit_confirm ())
347 error (_("Not confirmed."));
349 query_if_trace_running (from_tty
);
351 quit_force (args
? &exit_code
: NULL
, from_tty
);
355 pwd_command (const char *args
, int from_tty
)
358 error (_("The \"pwd\" command does not take an argument: %s"), args
);
360 gdb::unique_xmalloc_ptr
<char> cwd (getcwd (NULL
, 0));
363 error (_("Error finding name of working directory: %s"),
364 safe_strerror (errno
));
366 if (strcmp (cwd
.get (), current_directory
) != 0)
367 printf_unfiltered (_("Working directory %s\n (canonically %s).\n"),
368 current_directory
, cwd
.get ());
370 printf_unfiltered (_("Working directory %s.\n"), current_directory
);
374 cd_command (const char *dir
, int from_tty
)
377 /* Found something other than leading repetitions of "/..". */
381 /* If the new directory is absolute, repeat is a no-op; if relative,
382 repeat might be useful but is more likely to be a mistake. */
385 gdb::unique_xmalloc_ptr
<char> dir_holder
386 (tilde_expand (dir
!= NULL
? dir
: "~"));
387 dir
= dir_holder
.get ();
390 perror_with_name (dir
);
392 #ifdef HAVE_DOS_BASED_FILE_SYSTEM
393 /* There's too much mess with DOSish names like "d:", "d:.",
394 "d:./foo" etc. Instead of having lots of special #ifdef'ed code,
395 simply get the canonicalized name of the current directory. */
396 gdb::unique_xmalloc_ptr
<char> cwd (getcwd (NULL
, 0));
401 if (IS_DIR_SEPARATOR (dir
[len
- 1]))
403 /* Remove the trailing slash unless this is a root directory
404 (including a drive letter on non-Unix systems). */
405 if (!(len
== 1) /* "/" */
406 #ifdef HAVE_DOS_BASED_FILE_SYSTEM
407 && !(len
== 3 && dir
[1] == ':') /* "d:/" */
413 dir_holder
.reset (savestring (dir
, len
));
414 if (IS_ABSOLUTE_PATH (dir_holder
.get ()))
416 xfree (current_directory
);
417 current_directory
= dir_holder
.release ();
421 if (IS_DIR_SEPARATOR (current_directory
[strlen (current_directory
) - 1]))
422 current_directory
= concat (current_directory
, dir_holder
.get (),
425 current_directory
= concat (current_directory
, SLASH_STRING
,
426 dir_holder
.get (), (char *) NULL
);
429 /* Now simplify any occurrences of `.' and `..' in the pathname. */
432 for (p
= current_directory
; *p
;)
434 if (IS_DIR_SEPARATOR (p
[0]) && p
[1] == '.'
435 && (p
[2] == 0 || IS_DIR_SEPARATOR (p
[2])))
436 memmove (p
, p
+ 2, strlen (p
+ 2) + 1);
437 else if (IS_DIR_SEPARATOR (p
[0]) && p
[1] == '.' && p
[2] == '.'
438 && (p
[3] == 0 || IS_DIR_SEPARATOR (p
[3])))
442 /* Search backwards for the directory just before the "/.."
443 and obliterate it and the "/..". */
446 while (q
!= current_directory
&& !IS_DIR_SEPARATOR (q
[-1]))
449 if (q
== current_directory
)
450 /* current_directory is
451 a relative pathname ("can't happen"--leave it alone). */
455 memmove (q
- 1, p
+ 3, strlen (p
+ 3) + 1);
460 /* We are dealing with leading repetitions of "/..", for
461 example "/../..", which is the Mach super-root. */
471 forget_cached_source_info ();
474 pwd_command ((char *) 0, 1);
477 /* Show the current value of the 'script-extension' option. */
480 show_script_ext_mode (struct ui_file
*file
, int from_tty
,
481 struct cmd_list_element
*c
, const char *value
)
483 fprintf_filtered (file
,
484 _("Script filename extension recognition is \"%s\".\n"),
488 /* Try to open SCRIPT_FILE.
489 If successful, the full path name is stored in *FULL_PATHP,
490 and the stream is returned.
491 If not successful, return NULL; errno is set for the last file
494 If SEARCH_PATH is non-zero, and the file isn't found in cwd,
495 search for it in the source search path. */
497 gdb::optional
<open_script
>
498 find_and_open_script (const char *script_file
, int search_path
)
501 openp_flags search_flags
= OPF_TRY_CWD_FIRST
| OPF_RETURN_REALPATH
;
502 gdb::optional
<open_script
> opened
;
504 gdb::unique_xmalloc_ptr
<char> file (tilde_expand (script_file
));
507 search_flags
|= OPF_SEARCH_IN_PATH
;
509 /* Search for and open 'file' on the search path used for source
510 files. Put the full location in *FULL_PATHP. */
511 gdb::unique_xmalloc_ptr
<char> full_path
;
512 fd
= openp (source_path
, search_flags
,
513 file
.get (), O_RDONLY
, &full_path
);
518 FILE *result
= fdopen (fd
, FOPEN_RT
);
521 int save_errno
= errno
;
527 opened
.emplace (gdb_file_up (result
), std::move (full_path
));
532 /* Load script FILE, which has already been opened as STREAM.
533 FILE_TO_OPEN is the form of FILE to use if one needs to open the file.
534 This is provided as FILE may have been found via the source search path.
535 An important thing to note here is that FILE may be a symlink to a file
536 with a different or non-existing suffix, and thus one cannot infer the
537 extension language from FILE_TO_OPEN. */
540 source_script_from_stream (FILE *stream
, const char *file
,
541 const char *file_to_open
)
543 if (script_ext_mode
!= script_ext_off
)
545 const struct extension_language_defn
*extlang
546 = get_ext_lang_of_file (file
);
550 if (ext_lang_present_p (extlang
))
552 script_sourcer_func
*sourcer
553 = ext_lang_script_sourcer (extlang
);
555 gdb_assert (sourcer
!= NULL
);
556 sourcer (extlang
, stream
, file_to_open
);
559 else if (script_ext_mode
== script_ext_soft
)
561 /* Assume the file is a gdb script.
562 This is handled below. */
565 throw_ext_lang_unsupported (extlang
);
569 script_from_file (stream
, file
);
572 /* Worker to perform the "source" command.
574 If SEARCH_PATH is non-zero, and the file isn't found in cwd,
575 search for it in the source search path. */
578 source_script_with_search (const char *file
, int from_tty
, int search_path
)
581 if (file
== NULL
|| *file
== 0)
582 error (_("source command requires file name of file to source."));
584 gdb::optional
<open_script
> opened
= find_and_open_script (file
, search_path
);
587 /* The script wasn't found, or was otherwise inaccessible.
588 If the source command was invoked interactively, throw an
589 error. Otherwise (e.g. if it was invoked by a script),
590 just emit a warning, rather than cause an error. */
592 perror_with_name (file
);
595 perror_warning_with_name (file
);
600 /* The python support reopens the file, so we need to pass full_path here
601 in case the file was found on the search path. It's useful to do this
602 anyway so that error messages show the actual file used. But only do
603 this if we (may have) used search_path, as printing the full path in
604 errors for the non-search case can be more noise than signal. */
605 source_script_from_stream (opened
->stream
.get (), file
,
606 search_path
? opened
->full_path
.get () : file
);
609 /* Wrapper around source_script_with_search to export it to main.c
610 for use in loading .gdbinit scripts. */
613 source_script (const char *file
, int from_tty
)
615 source_script_with_search (file
, from_tty
, 0);
619 source_command (const char *args
, int from_tty
)
621 const char *file
= args
;
624 scoped_restore save_source_verbose
= make_scoped_restore (&source_verbose
);
626 /* -v causes the source command to run in verbose mode.
627 -s causes the file to be searched in the source search path,
628 even if the file name contains a '/'.
629 We still have to be able to handle filenames with spaces in a
630 backward compatible way, so buildargv is not appropriate. */
634 while (args
[0] != '\0')
636 /* Make sure leading white space does not break the
638 args
= skip_spaces (args
);
643 if (args
[1] == 'v' && isspace (args
[2]))
647 /* Skip passed -v. */
650 else if (args
[1] == 's' && isspace (args
[2]))
654 /* Skip passed -s. */
661 file
= skip_spaces (args
);
664 source_script_with_search (file
, from_tty
, search_path
);
669 echo_command (const char *text
, int from_tty
)
671 const char *p
= text
;
675 while ((c
= *p
++) != '\0')
679 /* \ at end of argument is used after spaces
680 so they won't be lost. */
684 c
= parse_escape (get_current_arch (), &p
);
686 printf_filtered ("%c", c
);
689 printf_filtered ("%c", c
);
692 /* Force this output to appear now. */
694 gdb_flush (gdb_stdout
);
698 shell_escape (const char *arg
, int from_tty
)
700 #if defined(CANT_FORK) || \
701 (!defined(HAVE_WORKING_VFORK) && !defined(HAVE_WORKING_FORK))
702 /* If ARG is NULL, they want an inferior shell, but `system' just
703 reports if the shell is available when passed a NULL arg. */
704 int rc
= system (arg
? arg
: "");
707 arg
= "inferior shell";
711 fprintf_unfiltered (gdb_stderr
, "Cannot execute %s: %s\n", arg
,
712 safe_strerror (errno
));
713 gdb_flush (gdb_stderr
);
717 fprintf_unfiltered (gdb_stderr
, "%s exited with status %d\n", arg
, rc
);
718 gdb_flush (gdb_stderr
);
721 /* Make sure to return to the directory GDB thinks it is, in case
722 the shell command we just ran changed it. */
723 chdir (current_directory
);
725 #else /* Can fork. */
728 if ((pid
= vfork ()) == 0)
730 const char *p
, *user_shell
= get_shell ();
734 /* Get the name of the shell for arg0. */
735 p
= lbasename (user_shell
);
738 execl (user_shell
, p
, (char *) 0);
740 execl (user_shell
, p
, "-c", arg
, (char *) 0);
742 fprintf_unfiltered (gdb_stderr
, "Cannot execute %s: %s\n", user_shell
,
743 safe_strerror (errno
));
744 gdb_flush (gdb_stderr
);
749 waitpid (pid
, &status
, 0);
751 error (_("Fork failed"));
752 #endif /* Can fork. */
755 /* Implementation of the "shell" command. */
758 shell_command (const char *arg
, int from_tty
)
760 shell_escape (arg
, from_tty
);
764 edit_command (const char *arg
, int from_tty
)
766 struct symtab_and_line sal
;
772 /* Pull in the current default source line if necessary. */
775 set_default_source_symtab_and_line ();
776 sal
= get_current_source_symtab_and_line ();
779 /* Bare "edit" edits file with present line. */
784 error (_("No default source file yet."));
785 sal
.line
+= get_lines_to_list () / 2;
791 /* Now should only be one argument -- decode it in SAL. */
793 event_location_up location
= string_to_event_location (&arg1
,
795 std::vector
<symtab_and_line
> sals
= decode_line_1 (location
.get (),
796 DECODE_LINE_LIST_MODE
,
805 if (sals
.size () > 1)
807 ambiguous_line_spec (sals
,
808 _("Specified line is ambiguous:\n"));
815 error (_("Junk at end of line specification."));
817 /* If line was specified by address, first print exactly which
818 line, and which file. In this case, sal.symtab == 0 means
819 address is outside of all known source files, not that user
820 failed to give a filename. */
823 struct gdbarch
*gdbarch
;
826 error (_("No source file for address %s."),
827 paddress (get_current_arch (), sal
.pc
));
829 gdbarch
= get_objfile_arch (SYMTAB_OBJFILE (sal
.symtab
));
830 sym
= find_pc_function (sal
.pc
);
832 printf_filtered ("%s is in %s (%s:%d).\n",
833 paddress (gdbarch
, sal
.pc
),
834 SYMBOL_PRINT_NAME (sym
),
835 symtab_to_filename_for_display (sal
.symtab
),
838 printf_filtered ("%s is at %s:%d.\n",
839 paddress (gdbarch
, sal
.pc
),
840 symtab_to_filename_for_display (sal
.symtab
),
844 /* If what was given does not imply a symtab, it must be an
845 undebuggable symbol which means no source code. */
848 error (_("No line number known for %s."), arg
);
851 if ((editor
= getenv ("EDITOR")) == NULL
)
854 fn
= symtab_to_fullname (sal
.symtab
);
856 /* Quote the file name, in case it has whitespace or other special
858 p
= xstrprintf ("%s +%d \"%s\"", editor
, sal
.line
, fn
);
859 shell_escape (p
, from_tty
);
864 list_command (const char *arg
, int from_tty
)
874 /* Pull in the current default source line if necessary. */
875 if (arg
== NULL
|| ((arg
[0] == '+' || arg
[0] == '-') && arg
[1] == '\0'))
877 set_default_source_symtab_and_line ();
878 symtab_and_line cursal
= get_current_source_symtab_and_line ();
880 /* If this is the first "list" since we've set the current
881 source line, center the listing around that line. */
882 if (get_first_line_listed () == 0)
886 first
= std::max (cursal
.line
- get_lines_to_list () / 2, 1);
888 /* A small special case --- if listing backwards, and we
889 should list only one line, list the preceding line,
890 instead of the exact line we've just shown after e.g.,
891 stopping for a breakpoint. */
892 if (arg
!= NULL
&& arg
[0] == '-'
893 && get_lines_to_list () == 1 && first
> 1)
896 print_source_lines (cursal
.symtab
, first
,
897 first
+ get_lines_to_list (), 0);
900 /* "l" or "l +" lists next ten lines. */
901 else if (arg
== NULL
|| arg
[0] == '+')
902 print_source_lines (cursal
.symtab
, cursal
.line
,
903 cursal
.line
+ get_lines_to_list (), 0);
905 /* "l -" lists previous ten lines, the ones before the ten just
907 else if (arg
[0] == '-')
909 if (get_first_line_listed () == 1)
910 error (_("Already at the start of %s."),
911 symtab_to_filename_for_display (cursal
.symtab
));
912 print_source_lines (cursal
.symtab
,
913 std::max (get_first_line_listed ()
914 - get_lines_to_list (), 1),
915 get_first_line_listed (), 0);
921 /* Now if there is only one argument, decode it in SAL
923 If there are two arguments, decode them in SAL and SAL_END
924 and clear NO_END; however, if one of the arguments is blank,
925 set DUMMY_BEG or DUMMY_END to record that fact. */
927 if (!have_full_symbols () && !have_partial_symbols ())
928 error (_("No symbol table is loaded. Use the \"file\" command."));
930 std::vector
<symtab_and_line
> sals
;
931 symtab_and_line sal
, sal_end
;
938 event_location_up location
= string_to_event_location (&arg1
,
940 sals
= decode_line_1 (location
.get (), DECODE_LINE_LIST_MODE
,
952 /* Record whether the BEG arg is all digits. */
954 for (p
= arg
; p
!= arg1
&& *p
>= '0' && *p
<= '9'; p
++);
955 linenum_beg
= (p
== arg1
);
957 /* Save the range of the first argument, in case we need to let the
958 user know it was ambiguous. */
959 const char *beg
= arg
;
960 size_t beg_len
= arg1
- beg
;
962 while (*arg1
== ' ' || *arg1
== '\t')
967 if (sals
.size () > 1)
969 ambiguous_line_spec (sals
,
970 _("Specified first line '%.*s' is ambiguous:\n"),
975 while (*arg1
== ' ' || *arg1
== '\t')
981 /* Save the last argument, in case we need to let the user
982 know it was ambiguous. */
983 const char *end_arg
= arg1
;
985 event_location_up location
986 = string_to_event_location (&arg1
, current_language
);
988 std::vector
<symtab_and_line
> sals_end
990 ? decode_line_1 (location
.get (), DECODE_LINE_LIST_MODE
,
992 : decode_line_1 (location
.get (), DECODE_LINE_LIST_MODE
,
993 NULL
, sal
.symtab
, sal
.line
));
995 filter_sals (sals_end
);
996 if (sals_end
.empty ())
998 if (sals_end
.size () > 1)
1000 ambiguous_line_spec (sals_end
,
1001 _("Specified last line '%s' is ambiguous:\n"),
1005 sal_end
= sals_end
[0];
1010 error (_("Junk at end of line specification."));
1012 if (!no_end
&& !dummy_beg
&& !dummy_end
1013 && sal
.symtab
!= sal_end
.symtab
)
1014 error (_("Specified first and last lines are in different files."));
1015 if (dummy_beg
&& dummy_end
)
1016 error (_("Two empty args do not say what lines to list."));
1018 /* If line was specified by address,
1019 first print exactly which line, and which file.
1021 In this case, sal.symtab == 0 means address is outside of all
1022 known source files, not that user failed to give a filename. */
1025 struct gdbarch
*gdbarch
;
1027 if (sal
.symtab
== 0)
1028 error (_("No source file for address %s."),
1029 paddress (get_current_arch (), sal
.pc
));
1031 gdbarch
= get_objfile_arch (SYMTAB_OBJFILE (sal
.symtab
));
1032 sym
= find_pc_function (sal
.pc
);
1034 printf_filtered ("%s is in %s (%s:%d).\n",
1035 paddress (gdbarch
, sal
.pc
),
1036 SYMBOL_PRINT_NAME (sym
),
1037 symtab_to_filename_for_display (sal
.symtab
), sal
.line
);
1039 printf_filtered ("%s is at %s:%d.\n",
1040 paddress (gdbarch
, sal
.pc
),
1041 symtab_to_filename_for_display (sal
.symtab
), sal
.line
);
1044 /* If line was not specified by just a line number, and it does not
1045 imply a symtab, it must be an undebuggable symbol which means no
1048 if (!linenum_beg
&& sal
.symtab
== 0)
1049 error (_("No line number known for %s."), arg
);
1051 /* If this command is repeated with RET,
1052 turn it into the no-arg variant. */
1055 set_repeat_arguments ("");
1057 if (dummy_beg
&& sal_end
.symtab
== 0)
1058 error (_("No default source file yet. Do \"help list\"."));
1060 print_source_lines (sal_end
.symtab
,
1061 std::max (sal_end
.line
- (get_lines_to_list () - 1), 1),
1062 sal_end
.line
+ 1, 0);
1063 else if (sal
.symtab
== 0)
1064 error (_("No default source file yet. Do \"help list\"."));
1067 for (int i
= 0; i
< sals
.size (); i
++)
1070 int first_line
= sal
.line
- get_lines_to_list () / 2;
1073 if (sals
.size () > 1)
1074 print_sal_location (sal
);
1075 print_source_lines (sal
.symtab
,
1077 first_line
+ get_lines_to_list (),
1082 print_source_lines (sal
.symtab
, sal
.line
,
1084 ? sal
.line
+ get_lines_to_list ()
1085 : sal_end
.line
+ 1),
1089 /* Subroutine of disassemble_command to simplify it.
1090 Perform the disassembly.
1091 NAME is the name of the function if known, or NULL.
1092 [LOW,HIGH) are the range of addresses to disassemble.
1093 BLOCK is the block to disassemble; it needs to be provided
1094 when non-contiguous blocks are disassembled; otherwise
1096 MIXED is non-zero to print source with the assembler. */
1099 print_disassembly (struct gdbarch
*gdbarch
, const char *name
,
1100 CORE_ADDR low
, CORE_ADDR high
,
1101 const struct block
*block
,
1102 gdb_disassembly_flags flags
)
1105 if (!tui_is_window_visible (DISASSEM_WIN
))
1108 printf_filtered ("Dump of assembler code ");
1110 printf_filtered ("for function %s:\n", name
);
1111 if (block
== nullptr || BLOCK_CONTIGUOUS_P (block
))
1114 printf_filtered ("from %s to %s:\n",
1115 paddress (gdbarch
, low
), paddress (gdbarch
, high
));
1117 /* Dump the specified range. */
1118 gdb_disassembly (gdbarch
, current_uiout
, flags
, -1, low
, high
);
1122 for (int i
= 0; i
< BLOCK_NRANGES (block
); i
++)
1124 CORE_ADDR range_low
= BLOCK_RANGE_START (block
, i
);
1125 CORE_ADDR range_high
= BLOCK_RANGE_END (block
, i
);
1126 printf_filtered (_("Address range %s to %s:\n"),
1127 paddress (gdbarch
, range_low
),
1128 paddress (gdbarch
, range_high
));
1129 gdb_disassembly (gdbarch
, current_uiout
, flags
, -1,
1130 range_low
, range_high
);
1133 printf_filtered ("End of assembler dump.\n");
1134 gdb_flush (gdb_stdout
);
1139 tui_show_assembly (gdbarch
, low
);
1144 /* Subroutine of disassemble_command to simplify it.
1145 Print a disassembly of the current function according to FLAGS. */
1148 disassemble_current_function (gdb_disassembly_flags flags
)
1150 struct frame_info
*frame
;
1151 struct gdbarch
*gdbarch
;
1152 CORE_ADDR low
, high
, pc
;
1154 const struct block
*block
;
1156 frame
= get_selected_frame (_("No frame selected."));
1157 gdbarch
= get_frame_arch (frame
);
1158 pc
= get_frame_address_in_block (frame
);
1159 if (find_pc_partial_function (pc
, &name
, &low
, &high
, &block
) == 0)
1160 error (_("No function contains program counter for selected frame."));
1162 /* NOTE: cagney/2003-02-13 The `tui_active' was previously
1165 /* FIXME: cagney/2004-02-07: This should be an observer. */
1166 low
= tui_get_low_disassembly_address (gdbarch
, low
, pc
);
1168 low
+= gdbarch_deprecated_function_start_offset (gdbarch
);
1170 print_disassembly (gdbarch
, name
, low
, high
, block
, flags
);
1173 /* Dump a specified section of assembly code.
1177 - dump the assembly code for the function of the current pc
1178 disassemble [/mrs] addr
1179 - dump the assembly code for the function at ADDR
1180 disassemble [/mrs] low,high
1181 disassemble [/mrs] low,+length
1182 - dump the assembly code in the range [LOW,HIGH), or [LOW,LOW+length)
1184 A /m modifier will include source code with the assembly in a
1185 "source centric" view. This view lists only the file of the first insn,
1186 even if other source files are involved (e.g., inlined functions), and
1187 the output is in source order, even with optimized code. This view is
1188 considered deprecated as it hasn't been useful in practice.
1190 A /r modifier will include raw instructions in hex with the assembly.
1192 A /s modifier will include source code with the assembly, like /m, with
1193 two important differences:
1194 1) The output is still in pc address order.
1195 2) File names and contents for all relevant source files are displayed. */
1198 disassemble_command (const char *arg
, int from_tty
)
1200 struct gdbarch
*gdbarch
= get_current_arch ();
1201 CORE_ADDR low
, high
;
1204 gdb_disassembly_flags flags
;
1206 const struct block
*block
= nullptr;
1217 error (_("Missing modifier."));
1219 while (*p
&& ! isspace (*p
))
1224 flags
|= DISASSEMBLY_SOURCE_DEPRECATED
;
1227 flags
|= DISASSEMBLY_RAW_INSN
;
1230 flags
|= DISASSEMBLY_SOURCE
;
1233 error (_("Invalid disassembly modifier."));
1237 p
= skip_spaces (p
);
1240 if ((flags
& (DISASSEMBLY_SOURCE_DEPRECATED
| DISASSEMBLY_SOURCE
))
1241 == (DISASSEMBLY_SOURCE_DEPRECATED
| DISASSEMBLY_SOURCE
))
1242 error (_("Cannot specify both /m and /s."));
1246 flags
|= DISASSEMBLY_OMIT_FNAME
;
1247 disassemble_current_function (flags
);
1251 pc
= value_as_address (parse_to_comma_and_eval (&p
));
1257 if (find_pc_partial_function (pc
, &name
, &low
, &high
, &block
) == 0)
1258 error (_("No function contains specified address."));
1260 /* NOTE: cagney/2003-02-13 The `tui_active' was previously
1263 /* FIXME: cagney/2004-02-07: This should be an observer. */
1264 low
= tui_get_low_disassembly_address (gdbarch
, low
, pc
);
1266 low
+= gdbarch_deprecated_function_start_offset (gdbarch
);
1267 flags
|= DISASSEMBLY_OMIT_FNAME
;
1271 /* Two arguments. */
1274 p
= skip_spaces (p
);
1280 high
= parse_and_eval_address (p
);
1285 print_disassembly (gdbarch
, name
, low
, high
, block
, flags
);
1289 make_command (const char *arg
, int from_tty
)
1292 shell_escape ("make", from_tty
);
1295 std::string cmd
= std::string ("make ") + arg
;
1297 shell_escape (cmd
.c_str (), from_tty
);
1302 show_user (const char *args
, int from_tty
)
1304 struct cmd_list_element
*c
;
1305 extern struct cmd_list_element
*cmdlist
;
1309 const char *comname
= args
;
1311 c
= lookup_cmd (&comname
, cmdlist
, "", 0, 1);
1312 if (!cli_user_command_p (c
))
1313 error (_("Not a user command."));
1314 show_user_1 (c
, "", args
, gdb_stdout
);
1318 for (c
= cmdlist
; c
; c
= c
->next
)
1320 if (cli_user_command_p (c
) || c
->prefixlist
!= NULL
)
1321 show_user_1 (c
, "", c
->name
, gdb_stdout
);
1326 /* Search through names of commands and documentations for a certain
1327 regular expression. */
1330 apropos_command (const char *searchstr
, int from_tty
)
1332 if (searchstr
== NULL
)
1333 error (_("REGEXP string is empty"));
1335 compiled_regex
pattern (searchstr
, REG_ICASE
,
1336 _("Error in regular expression"));
1338 apropos_cmd (gdb_stdout
, cmdlist
, pattern
, "");
1341 /* Subroutine of alias_command to simplify it.
1342 Return the first N elements of ARGV flattened back to a string
1343 with a space separating each element.
1344 ARGV may not be NULL.
1345 This does not take care of quoting elements in case they contain spaces
1349 argv_to_string (char **argv
, int n
)
1354 gdb_assert (argv
!= NULL
);
1355 gdb_assert (n
>= 0 && n
<= countargv (argv
));
1357 for (i
= 0; i
< n
; ++i
)
1367 /* Subroutine of alias_command to simplify it.
1368 Return TRUE if COMMAND exists, unambiguously. Otherwise FALSE. */
1371 valid_command_p (const char *command
)
1373 struct cmd_list_element
*c
;
1375 c
= lookup_cmd_1 (& command
, cmdlist
, NULL
, 1);
1377 if (c
== NULL
|| c
== (struct cmd_list_element
*) -1)
1380 /* This is the slightly tricky part.
1381 lookup_cmd_1 will return a pointer to the last part of COMMAND
1382 to match, leaving COMMAND pointing at the remainder. */
1383 while (*command
== ' ' || *command
== '\t')
1385 return *command
== '\0';
1388 /* Called when "alias" was incorrectly used. */
1391 alias_usage_error (void)
1393 error (_("Usage: alias [-a] [--] ALIAS = COMMAND"));
1396 /* Make an alias of an existing command. */
1399 alias_command (const char *args
, int from_tty
)
1401 int i
, alias_argc
, command_argc
;
1402 int abbrev_flag
= 0;
1404 const char *alias
, *command
;
1406 if (args
== NULL
|| strchr (args
, '=') == NULL
)
1407 alias_usage_error ();
1409 equals
= strchr (args
, '=');
1410 std::string
args2 (args
, equals
- args
);
1412 gdb_argv
built_alias_argv (args2
.c_str ());
1413 gdb_argv
command_argv (equals
+ 1);
1415 char **alias_argv
= built_alias_argv
.get ();
1416 while (alias_argv
[0] != NULL
)
1418 if (strcmp (alias_argv
[0], "-a") == 0)
1423 else if (strcmp (alias_argv
[0], "--") == 0)
1432 if (alias_argv
[0] == NULL
|| command_argv
[0] == NULL
1433 || *alias_argv
[0] == '\0' || *command_argv
[0] == '\0')
1434 alias_usage_error ();
1436 for (i
= 0; alias_argv
[i
] != NULL
; ++i
)
1438 if (! valid_user_defined_cmd_name_p (alias_argv
[i
]))
1441 error (_("Invalid command name: %s"), alias_argv
[i
]);
1443 error (_("Invalid command element name: %s"), alias_argv
[i
]);
1447 alias_argc
= countargv (alias_argv
);
1448 command_argc
= command_argv
.count ();
1450 /* COMMAND must exist.
1451 Reconstruct the command to remove any extraneous spaces,
1452 for better error messages. */
1453 std::string
command_string (argv_to_string (command_argv
.get (),
1455 command
= command_string
.c_str ();
1456 if (! valid_command_p (command
))
1457 error (_("Invalid command to alias to: %s"), command
);
1459 /* ALIAS must not exist. */
1460 std::string
alias_string (argv_to_string (alias_argv
, alias_argc
));
1461 alias
= alias_string
.c_str ();
1462 if (valid_command_p (alias
))
1463 error (_("Alias already exists: %s"), alias
);
1465 /* If ALIAS is one word, it is an alias for the entire COMMAND.
1466 Example: alias spe = set print elements
1468 Otherwise ALIAS and COMMAND must have the same number of words,
1469 and every word except the last must match; and the last word of
1470 ALIAS is made an alias of the last word of COMMAND.
1471 Example: alias set print elms = set pr elem
1472 Note that unambiguous abbreviations are allowed. */
1474 if (alias_argc
== 1)
1476 /* add_cmd requires *we* allocate space for name, hence the xstrdup. */
1477 add_com_alias (xstrdup (alias_argv
[0]), command
, class_alias
,
1482 const char *alias_prefix
, *command_prefix
;
1483 struct cmd_list_element
*c_alias
, *c_command
;
1485 if (alias_argc
!= command_argc
)
1486 error (_("Mismatched command length between ALIAS and COMMAND."));
1488 /* Create copies of ALIAS and COMMAND without the last word,
1489 and use that to verify the leading elements match. */
1490 std::string
alias_prefix_string (argv_to_string (alias_argv
,
1492 std::string
command_prefix_string (argv_to_string (alias_argv
,
1494 alias_prefix
= alias_prefix_string
.c_str ();
1495 command_prefix
= command_prefix_string
.c_str ();
1497 c_command
= lookup_cmd_1 (& command_prefix
, cmdlist
, NULL
, 1);
1498 /* We've already tried to look up COMMAND. */
1499 gdb_assert (c_command
!= NULL
1500 && c_command
!= (struct cmd_list_element
*) -1);
1501 gdb_assert (c_command
->prefixlist
!= NULL
);
1502 c_alias
= lookup_cmd_1 (& alias_prefix
, cmdlist
, NULL
, 1);
1503 if (c_alias
!= c_command
)
1504 error (_("ALIAS and COMMAND prefixes do not match."));
1506 /* add_cmd requires *we* allocate space for name, hence the xstrdup. */
1507 add_alias_cmd (xstrdup (alias_argv
[alias_argc
- 1]),
1508 command_argv
[command_argc
- 1],
1509 class_alias
, abbrev_flag
, c_command
->prefixlist
);
1513 /* Print the file / line number / symbol name of the location
1514 specified by SAL. */
1517 print_sal_location (const symtab_and_line
&sal
)
1519 scoped_restore_current_program_space restore_pspace
;
1520 set_current_program_space (sal
.pspace
);
1522 const char *sym_name
= NULL
;
1523 if (sal
.symbol
!= NULL
)
1524 sym_name
= SYMBOL_PRINT_NAME (sal
.symbol
);
1525 printf_filtered (_("file: \"%s\", line number: %d, symbol: \"%s\"\n"),
1526 symtab_to_filename_for_display (sal
.symtab
),
1527 sal
.line
, sym_name
!= NULL
? sym_name
: "???");
1530 /* Print a list of files and line numbers which a user may choose from
1531 in order to list a function which was specified ambiguously (as
1532 with `list classname::overloadedfuncname', for example). The SALS
1533 array provides the filenames and line numbers. FORMAT is a
1534 printf-style format string used to tell the user what was
1538 ambiguous_line_spec (gdb::array_view
<const symtab_and_line
> sals
,
1539 const char *format
, ...)
1542 va_start (ap
, format
);
1543 vprintf_filtered (format
, ap
);
1546 for (const auto &sal
: sals
)
1547 print_sal_location (sal
);
1550 /* Comparison function for filter_sals. Returns a qsort-style
1554 cmp_symtabs (const symtab_and_line
&sala
, const symtab_and_line
&salb
)
1556 const char *dira
= SYMTAB_DIRNAME (sala
.symtab
);
1557 const char *dirb
= SYMTAB_DIRNAME (salb
.symtab
);
1565 else if (dirb
== NULL
)
1572 r
= filename_cmp (dira
, dirb
);
1577 r
= filename_cmp (sala
.symtab
->filename
, salb
.symtab
->filename
);
1581 if (sala
.line
< salb
.line
)
1583 return sala
.line
== salb
.line
? 0 : 1;
1586 /* Remove any SALs that do not match the current program space, or
1587 which appear to be "file:line" duplicates. */
1590 filter_sals (std::vector
<symtab_and_line
> &sals
)
1592 /* Remove SALs that do not match. */
1593 auto from
= std::remove_if (sals
.begin (), sals
.end (),
1594 [&] (const symtab_and_line
&sal
)
1595 { return (sal
.pspace
!= current_program_space
|| sal
.symtab
== NULL
); });
1598 std::sort (sals
.begin (), from
,
1599 [] (const symtab_and_line
&sala
, const symtab_and_line
&salb
)
1600 { return cmp_symtabs (sala
, salb
) < 0; });
1602 from
= std::unique (sals
.begin (), from
,
1603 [&] (const symtab_and_line
&sala
,
1604 const symtab_and_line
&salb
)
1605 { return cmp_symtabs (sala
, salb
) == 0; });
1607 sals
.erase (from
, sals
.end ());
1611 set_debug (const char *arg
, int from_tty
)
1613 printf_unfiltered (_("\"set debug\" must be followed by "
1614 "the name of a debug subcommand.\n"));
1615 help_list (setdebuglist
, "set debug ", all_commands
, gdb_stdout
);
1619 show_debug (const char *args
, int from_tty
)
1621 cmd_show_list (showdebuglist
, from_tty
, "");
1625 init_cmd_lists (void)
1627 max_user_call_depth
= 1024;
1631 show_info_verbose (struct ui_file
*file
, int from_tty
,
1632 struct cmd_list_element
*c
,
1636 fprintf_filtered (file
,
1637 _("Verbose printing of informational messages is %s.\n"),
1640 fprintf_filtered (file
, _("Verbosity is %s.\n"), value
);
1644 show_history_expansion_p (struct ui_file
*file
, int from_tty
,
1645 struct cmd_list_element
*c
, const char *value
)
1647 fprintf_filtered (file
, _("History expansion on command input is %s.\n"),
1652 show_remote_debug (struct ui_file
*file
, int from_tty
,
1653 struct cmd_list_element
*c
, const char *value
)
1655 fprintf_filtered (file
, _("Debugging of remote protocol is %s.\n"),
1660 show_remote_timeout (struct ui_file
*file
, int from_tty
,
1661 struct cmd_list_element
*c
, const char *value
)
1663 fprintf_filtered (file
,
1664 _("Timeout limit to wait for target to respond is %s.\n"),
1669 show_max_user_call_depth (struct ui_file
*file
, int from_tty
,
1670 struct cmd_list_element
*c
, const char *value
)
1672 fprintf_filtered (file
,
1673 _("The max call depth for user-defined commands is %s.\n"),
1678 _initialize_cli_cmds (void)
1680 struct cmd_list_element
*c
;
1682 /* Define the classes of commands.
1683 They will appear in the help list in alphabetical order. */
1685 add_cmd ("internals", class_maintenance
, _("\
1686 Maintenance commands.\n\
1687 Some gdb commands are provided just for use by gdb maintainers.\n\
1688 These commands are subject to frequent change, and may not be as\n\
1689 well documented as user commands."),
1691 add_cmd ("obscure", class_obscure
, _("Obscure features."), &cmdlist
);
1692 add_cmd ("aliases", class_alias
,
1693 _("Aliases of other commands."), &cmdlist
);
1694 add_cmd ("user-defined", class_user
, _("\
1695 User-defined commands.\n\
1696 The commands in this class are those defined by the user.\n\
1697 Use the \"define\" command to define a command."), &cmdlist
);
1698 add_cmd ("support", class_support
, _("Support facilities."), &cmdlist
);
1700 add_cmd ("status", class_info
, _("Status inquiries."), &cmdlist
);
1701 add_cmd ("files", class_files
, _("Specifying and examining files."),
1703 add_cmd ("breakpoints", class_breakpoint
,
1704 _("Making program stop at certain points."), &cmdlist
);
1705 add_cmd ("data", class_vars
, _("Examining data."), &cmdlist
);
1706 add_cmd ("stack", class_stack
, _("\
1707 Examining the stack.\n\
1708 The stack is made up of stack frames. Gdb assigns numbers to stack frames\n\
1709 counting from zero for the innermost (currently executing) frame.\n\n\
1710 At any time gdb identifies one frame as the \"selected\" frame.\n\
1711 Variable lookups are done with respect to the selected frame.\n\
1712 When the program being debugged stops, gdb selects the innermost frame.\n\
1713 The commands below can be used to select other frames by number or address."),
1715 add_cmd ("running", class_run
, _("Running the program."), &cmdlist
);
1717 /* Define general commands. */
1719 add_com ("pwd", class_files
, pwd_command
, _("\
1720 Print working directory. This is used for your program as well."));
1722 c
= add_cmd ("cd", class_files
, cd_command
, _("\
1723 Set working directory to DIR for debugger.\n\
1724 The debugger's current working directory specifies where scripts and other\n\
1725 files that can be loaded by GDB are located.\n\
1726 In order to change the inferior's current working directory, the recommended\n\
1727 way is to use the \"set cwd\" command."), &cmdlist
);
1728 set_cmd_completer (c
, filename_completer
);
1730 add_com ("echo", class_support
, echo_command
, _("\
1731 Print a constant string. Give string as argument.\n\
1732 C escape sequences may be used in the argument.\n\
1733 No newline is added at the end of the argument;\n\
1734 use \"\\n\" if you want a newline to be printed.\n\
1735 Since leading and trailing whitespace are ignored in command arguments,\n\
1736 if you want to print some you must use \"\\\" before leading whitespace\n\
1737 to be printed or after trailing whitespace."));
1739 add_setshow_enum_cmd ("script-extension", class_support
,
1740 script_ext_enums
, &script_ext_mode
, _("\
1741 Set mode for script filename extension recognition."), _("\
1742 Show mode for script filename extension recognition."), _("\
1743 off == no filename extension recognition (all sourced files are GDB scripts)\n\
1744 soft == evaluate script according to filename extension, fallback to GDB script"
1746 strict == evaluate script according to filename extension, error if not supported"
1749 show_script_ext_mode
,
1750 &setlist
, &showlist
);
1752 add_com ("quit", class_support
, quit_command
, _("\
1754 Usage: quit [EXPR]\n\
1755 The optional expression EXPR, if present, is evaluated and the result\n\
1756 used as GDB's exit code. The default is zero."));
1757 c
= add_com ("help", class_support
, help_command
,
1758 _("Print list of commands."));
1759 set_cmd_completer (c
, command_completer
);
1760 add_com_alias ("q", "quit", class_support
, 1);
1761 add_com_alias ("h", "help", class_support
, 1);
1763 add_setshow_boolean_cmd ("verbose", class_support
, &info_verbose
, _("\
1764 Set verbosity."), _("\
1765 Show verbosity."), NULL
,
1768 &setlist
, &showlist
);
1770 add_prefix_cmd ("history", class_support
, set_history
,
1771 _("Generic command for setting command history parameters."),
1772 &sethistlist
, "set history ", 0, &setlist
);
1773 add_prefix_cmd ("history", class_support
, show_history
,
1774 _("Generic command for showing command history parameters."),
1775 &showhistlist
, "show history ", 0, &showlist
);
1777 add_setshow_boolean_cmd ("expansion", no_class
, &history_expansion_p
, _("\
1778 Set history expansion on command input."), _("\
1779 Show history expansion on command input."), _("\
1780 Without an argument, history expansion is enabled."),
1782 show_history_expansion_p
,
1783 &sethistlist
, &showhistlist
);
1785 add_prefix_cmd ("info", class_info
, info_command
, _("\
1786 Generic command for showing things about the program being debugged."),
1787 &infolist
, "info ", 0, &cmdlist
);
1788 add_com_alias ("i", "info", class_info
, 1);
1789 add_com_alias ("inf", "info", class_info
, 1);
1791 add_com ("complete", class_obscure
, complete_command
,
1792 _("List the completions for the rest of the line as a command."));
1794 add_prefix_cmd ("show", class_info
, show_command
, _("\
1795 Generic command for showing things about the debugger."),
1796 &showlist
, "show ", 0, &cmdlist
);
1797 /* Another way to get at the same thing. */
1798 add_info ("set", show_command
, _("Show all GDB settings."));
1800 add_cmd ("commands", no_set_class
, show_commands
, _("\
1801 Show the history of commands you typed.\n\
1802 You can supply a command number to start with, or a `+' to start after\n\
1803 the previous command number shown."),
1806 add_cmd ("version", no_set_class
, show_version
,
1807 _("Show what version of GDB this is."), &showlist
);
1809 add_cmd ("configuration", no_set_class
, show_configuration
,
1810 _("Show how GDB was configured at build time."), &showlist
);
1812 add_setshow_zinteger_cmd ("remote", no_class
, &remote_debug
, _("\
1813 Set debugging of remote protocol."), _("\
1814 Show debugging of remote protocol."), _("\
1815 When enabled, each packet sent or received with the remote target\n\
1819 &setdebuglist
, &showdebuglist
);
1821 add_setshow_zuinteger_unlimited_cmd ("remotetimeout", no_class
,
1822 &remote_timeout
, _("\
1823 Set timeout limit to wait for target to respond."), _("\
1824 Show timeout limit to wait for target to respond."), _("\
1825 This value is used to set the time limit for gdb to wait for a response\n\
1828 show_remote_timeout
,
1829 &setlist
, &showlist
);
1831 add_prefix_cmd ("debug", no_class
, set_debug
,
1832 _("Generic command for setting gdb debugging flags"),
1833 &setdebuglist
, "set debug ", 0, &setlist
);
1835 add_prefix_cmd ("debug", no_class
, show_debug
,
1836 _("Generic command for showing gdb debugging flags"),
1837 &showdebuglist
, "show debug ", 0, &showlist
);
1839 c
= add_com ("shell", class_support
, shell_command
, _("\
1840 Execute the rest of the line as a shell command.\n\
1841 With no arguments, run an inferior shell."));
1842 set_cmd_completer (c
, filename_completer
);
1844 c
= add_com ("edit", class_files
, edit_command
, _("\
1845 Edit specified file or function.\n\
1846 With no argument, edits file containing most recent line listed.\n\
1847 Editing targets can be specified in these ways:\n\
1848 FILE:LINENUM, to edit at that line in that file,\n\
1849 FUNCTION, to edit at the beginning of that function,\n\
1850 FILE:FUNCTION, to distinguish among like-named static functions.\n\
1851 *ADDRESS, to edit at the line containing that address.\n\
1852 Uses EDITOR environment variable contents as editor (or ex as default)."));
1854 c
->completer
= location_completer
;
1856 add_com ("list", class_files
, list_command
, _("\
1857 List specified function or line.\n\
1858 With no argument, lists ten more lines after or around previous listing.\n\
1859 \"list -\" lists the ten lines before a previous ten-line listing.\n\
1860 One argument specifies a line, and ten lines are listed around that line.\n\
1861 Two arguments with comma between specify starting and ending lines to list.\n\
1862 Lines can be specified in these ways:\n\
1863 LINENUM, to list around that line in current file,\n\
1864 FILE:LINENUM, to list around that line in that file,\n\
1865 FUNCTION, to list around beginning of that function,\n\
1866 FILE:FUNCTION, to distinguish among like-named static functions.\n\
1867 *ADDRESS, to list around the line containing that address.\n\
1868 With two args, if one is empty, it stands for ten lines away from\n\
1871 By default, when a single location is given, display ten lines.\n\
1872 This can be changed using \"set listsize\", and the current value\n\
1873 can be shown using \"show listsize\"."));
1875 add_com_alias ("l", "list", class_files
, 1);
1878 add_com_alias ("file", "list", class_files
, 1);
1880 c
= add_com ("disassemble", class_vars
, disassemble_command
, _("\
1881 Disassemble a specified section of memory.\n\
1882 Default is the function surrounding the pc of the selected frame.\n\
1884 With a /m modifier, source lines are included (if available).\n\
1885 This view is \"source centric\": the output is in source line order,\n\
1886 regardless of any optimization that is present. Only the main source file\n\
1887 is displayed, not those of, e.g., any inlined functions.\n\
1888 This modifier hasn't proved useful in practice and is deprecated\n\
1891 With a /s modifier, source lines are included (if available).\n\
1892 This differs from /m in two important respects:\n\
1893 - the output is still in pc address order, and\n\
1894 - file names and contents for all relevant source files are displayed.\n\
1896 With a /r modifier, raw instructions in hex are included.\n\
1898 With a single argument, the function surrounding that address is dumped.\n\
1899 Two arguments (separated by a comma) are taken as a range of memory to dump,\n\
1900 in the form of \"start,end\", or \"start,+length\".\n\
1902 Note that the address is interpreted as an expression, not as a location\n\
1903 like in the \"break\" command.\n\
1904 So, for example, if you want to disassemble function bar in file foo.c\n\
1905 you must type \"disassemble 'foo.c'::bar\" and not \"disassemble foo.c:bar\"."));
1906 set_cmd_completer (c
, location_completer
);
1908 add_com_alias ("!", "shell", class_support
, 0);
1910 c
= add_com ("make", class_support
, make_command
, _("\
1911 Run the ``make'' program using the rest of the line as arguments."));
1912 set_cmd_completer (c
, filename_completer
);
1913 add_cmd ("user", no_class
, show_user
, _("\
1914 Show definitions of non-python/scheme user defined commands.\n\
1915 Argument is the name of the user defined command.\n\
1916 With no argument, show definitions of all user defined commands."), &showlist
);
1917 add_com ("apropos", class_support
, apropos_command
,
1918 _("Search for commands matching a REGEXP"));
1920 add_setshow_uinteger_cmd ("max-user-call-depth", no_class
,
1921 &max_user_call_depth
, _("\
1922 Set the max call depth for non-python/scheme user-defined commands."), _("\
1923 Show the max call depth for non-python/scheme user-defined commands."), NULL
,
1925 show_max_user_call_depth
,
1926 &setlist
, &showlist
);
1928 add_setshow_boolean_cmd ("trace-commands", no_class
, &trace_commands
, _("\
1929 Set tracing of GDB CLI commands."), _("\
1930 Show state of GDB CLI command tracing."), _("\
1931 When 'on', each command is displayed as it is executed."),
1934 &setlist
, &showlist
);
1936 c
= add_com ("alias", class_support
, alias_command
, _("\
1937 Define a new command that is an alias of an existing command.\n\
1938 Usage: alias [-a] [--] ALIAS = COMMAND\n\
1939 ALIAS is the name of the alias command to create.\n\
1940 COMMAND is the command being aliased to.\n\
1941 If \"-a\" is specified, the command is an abbreviation,\n\
1942 and will not appear in help command list output.\n\
1945 Make \"spe\" an alias of \"set print elements\":\n\
1946 alias spe = set print elements\n\
1947 Make \"elms\" an alias of \"elements\" in the \"set print\" command:\n\
1948 alias -a set print elms = set print elements"));
1952 init_cli_cmds (void)
1954 struct cmd_list_element
*c
;
1955 char *source_help_text
;
1957 source_help_text
= xstrprintf (_("\
1958 Read commands from a file named FILE.\n\
1960 Usage: source [-s] [-v] FILE\n\
1961 -s: search for the script in the source search path,\n\
1962 even if FILE contains directories.\n\
1963 -v: each command in FILE is echoed as it is executed.\n\
1965 Note that the file \"%s\" is read automatically in this way\n\
1966 when GDB is started."), gdbinit
);
1967 c
= add_cmd ("source", class_support
, source_command
,
1968 source_help_text
, &cmdlist
);
1969 set_cmd_completer (c
, filename_completer
);