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"
55 #include "tui/tui.h" /* For tui_active et.al. */
62 /* Prototypes for local utility functions */
64 static void print_sal_location (const symtab_and_line
&sal
);
66 static void ambiguous_line_spec (gdb::array_view
<const symtab_and_line
> sals
,
67 const char *format
, ...)
68 ATTRIBUTE_PRINTF (2, 3);
70 static void filter_sals (std::vector
<symtab_and_line
> &);
73 /* Limit the call depth of user-defined commands */
74 unsigned int max_user_call_depth
;
76 /* Define all cmd_list_elements. */
78 /* Chain containing all defined commands. */
80 struct cmd_list_element
*cmdlist
;
82 /* Chain containing all defined info subcommands. */
84 struct cmd_list_element
*infolist
;
86 /* Chain containing all defined enable subcommands. */
88 struct cmd_list_element
*enablelist
;
90 /* Chain containing all defined disable subcommands. */
92 struct cmd_list_element
*disablelist
;
94 /* Chain containing all defined stop subcommands. */
96 struct cmd_list_element
*stoplist
;
98 /* Chain containing all defined delete subcommands. */
100 struct cmd_list_element
*deletelist
;
102 /* Chain containing all defined detach subcommands. */
104 struct cmd_list_element
*detachlist
;
106 /* Chain containing all defined kill subcommands. */
108 struct cmd_list_element
*killlist
;
110 /* Chain containing all defined set subcommands */
112 struct cmd_list_element
*setlist
;
114 /* Chain containing all defined unset subcommands */
116 struct cmd_list_element
*unsetlist
;
118 /* Chain containing all defined show subcommands. */
120 struct cmd_list_element
*showlist
;
122 /* Chain containing all defined \"set history\". */
124 struct cmd_list_element
*sethistlist
;
126 /* Chain containing all defined \"show history\". */
128 struct cmd_list_element
*showhistlist
;
130 /* Chain containing all defined \"unset history\". */
132 struct cmd_list_element
*unsethistlist
;
134 /* Chain containing all defined maintenance subcommands. */
136 struct cmd_list_element
*maintenancelist
;
138 /* Chain containing all defined "maintenance info" subcommands. */
140 struct cmd_list_element
*maintenanceinfolist
;
142 /* Chain containing all defined "maintenance print" subcommands. */
144 struct cmd_list_element
*maintenanceprintlist
;
146 /* Chain containing all defined "maintenance check" subcommands. */
148 struct cmd_list_element
*maintenancechecklist
;
150 struct cmd_list_element
*setprintlist
;
152 struct cmd_list_element
*showprintlist
;
154 struct cmd_list_element
*setdebuglist
;
156 struct cmd_list_element
*showdebuglist
;
158 struct cmd_list_element
*setchecklist
;
160 struct cmd_list_element
*showchecklist
;
162 /* Command tracing state. */
164 int source_verbose
= 0;
165 int trace_commands
= 0;
167 /* 'script-extension' option support. */
169 static const char script_ext_off
[] = "off";
170 static const char script_ext_soft
[] = "soft";
171 static const char script_ext_strict
[] = "strict";
173 static const char *const script_ext_enums
[] = {
180 static const char *script_ext_mode
= script_ext_soft
;
182 /* Utility used everywhere when at least one argument is needed and
186 error_no_arg (const char *why
)
188 error (_("Argument required (%s)."), why
);
191 /* The "info" command is defined as a prefix, with allow_unknown = 0.
192 Therefore, its own definition is called only for "info" with no
196 info_command (const char *arg
, int from_tty
)
198 printf_unfiltered (_("\"info\" must be followed by "
199 "the name of an info command.\n"));
200 help_list (infolist
, "info ", all_commands
, gdb_stdout
);
203 /* The "show" command with no arguments shows all the settings. */
206 show_command (const char *arg
, int from_tty
)
208 cmd_show_list (showlist
, from_tty
, "");
212 /* Provide documentation on command or list given by COMMAND. FROM_TTY
216 help_command (const char *command
, int from_tty
)
218 help_cmd (command
, gdb_stdout
);
222 /* Note: The "complete" command is used by Emacs to implement completion.
223 [Is that why this function writes output with *_unfiltered?] */
226 complete_command (const char *arg
, int from_tty
)
230 if (max_completions
== 0)
232 /* Only print this for non-mi frontends. An MI frontend may not
233 be able to handle this. */
234 if (!current_uiout
->is_mi_like_p ())
236 printf_unfiltered (_("max-completions is zero,"
237 " completion is disabled.\n"));
245 completion_tracker tracker_handle_brkchars
;
246 completion_tracker tracker_handle_completions
;
247 completion_tracker
*tracker
;
249 int quote_char
= '\0';
254 word
= completion_find_completion_word (tracker_handle_brkchars
,
257 /* Completers that provide a custom word point in the
258 handle_brkchars phase also compute their completions then.
259 Completers that leave the completion word handling to readline
260 must be called twice. */
261 if (tracker_handle_brkchars
.use_custom_word_point ())
262 tracker
= &tracker_handle_brkchars
;
265 complete_line (tracker_handle_completions
, word
, arg
, strlen (arg
));
266 tracker
= &tracker_handle_completions
;
269 CATCH (ex
, RETURN_MASK_ALL
)
275 std::string
arg_prefix (arg
, word
- arg
);
277 completion_result result
278 = tracker
->build_completion_result (word
, word
- arg
, strlen (arg
));
280 if (result
.number_matches
!= 0)
282 if (result
.number_matches
== 1)
283 printf_unfiltered ("%s%s\n", arg_prefix
.c_str (), result
.match_list
[0]);
286 result
.sort_match_list ();
288 for (size_t i
= 0; i
< result
.number_matches
; i
++)
290 printf_unfiltered ("%s%s",
292 result
.match_list
[i
+ 1]);
294 printf_unfiltered ("%c", quote_char
);
295 printf_unfiltered ("\n");
299 if (result
.number_matches
== max_completions
)
301 /* ARG_PREFIX and WORD are included in the output so that emacs
302 will include the message in the output. */
303 printf_unfiltered (_("%s%s %s\n"),
304 arg_prefix
.c_str (), word
,
305 get_max_completions_reached_message ());
311 is_complete_command (struct cmd_list_element
*c
)
313 return cmd_cfunc_eq (c
, complete_command
);
317 show_version (const char *args
, int from_tty
)
319 print_gdb_version (gdb_stdout
, true);
320 printf_filtered ("\n");
324 show_configuration (const char *args
, int from_tty
)
326 print_gdb_configuration (gdb_stdout
);
329 /* Handle the quit command. */
332 quit_command (const char *args
, int from_tty
)
336 /* An optional expression may be used to cause gdb to terminate with
337 the value of that expression. */
340 struct value
*val
= parse_and_eval (args
);
342 exit_code
= (int) value_as_long (val
);
345 if (!quit_confirm ())
346 error (_("Not confirmed."));
348 query_if_trace_running (from_tty
);
350 quit_force (args
? &exit_code
: NULL
, from_tty
);
354 pwd_command (const char *args
, int from_tty
)
357 error (_("The \"pwd\" command does not take an argument: %s"), args
);
359 gdb::unique_xmalloc_ptr
<char> cwd (getcwd (NULL
, 0));
362 error (_("Error finding name of working directory: %s"),
363 safe_strerror (errno
));
365 if (strcmp (cwd
.get (), current_directory
) != 0)
366 printf_unfiltered (_("Working directory %s\n (canonically %s).\n"),
367 current_directory
, cwd
.get ());
369 printf_unfiltered (_("Working directory %s.\n"), current_directory
);
373 cd_command (const char *dir
, int from_tty
)
376 /* Found something other than leading repetitions of "/..". */
380 /* If the new directory is absolute, repeat is a no-op; if relative,
381 repeat might be useful but is more likely to be a mistake. */
384 gdb::unique_xmalloc_ptr
<char> dir_holder
385 (tilde_expand (dir
!= NULL
? dir
: "~"));
386 dir
= dir_holder
.get ();
389 perror_with_name (dir
);
391 #ifdef HAVE_DOS_BASED_FILE_SYSTEM
392 /* There's too much mess with DOSish names like "d:", "d:.",
393 "d:./foo" etc. Instead of having lots of special #ifdef'ed code,
394 simply get the canonicalized name of the current directory. */
395 gdb::unique_xmalloc_ptr
<char> cwd (getcwd (NULL
, 0));
400 if (IS_DIR_SEPARATOR (dir
[len
- 1]))
402 /* Remove the trailing slash unless this is a root directory
403 (including a drive letter on non-Unix systems). */
404 if (!(len
== 1) /* "/" */
405 #ifdef HAVE_DOS_BASED_FILE_SYSTEM
406 && !(len
== 3 && dir
[1] == ':') /* "d:/" */
412 dir_holder
.reset (savestring (dir
, len
));
413 if (IS_ABSOLUTE_PATH (dir_holder
.get ()))
415 xfree (current_directory
);
416 current_directory
= dir_holder
.release ();
420 if (IS_DIR_SEPARATOR (current_directory
[strlen (current_directory
) - 1]))
421 current_directory
= concat (current_directory
, dir_holder
.get (),
424 current_directory
= concat (current_directory
, SLASH_STRING
,
425 dir_holder
.get (), (char *) NULL
);
428 /* Now simplify any occurrences of `.' and `..' in the pathname. */
431 for (p
= current_directory
; *p
;)
433 if (IS_DIR_SEPARATOR (p
[0]) && p
[1] == '.'
434 && (p
[2] == 0 || IS_DIR_SEPARATOR (p
[2])))
435 memmove (p
, p
+ 2, strlen (p
+ 2) + 1);
436 else if (IS_DIR_SEPARATOR (p
[0]) && p
[1] == '.' && p
[2] == '.'
437 && (p
[3] == 0 || IS_DIR_SEPARATOR (p
[3])))
441 /* Search backwards for the directory just before the "/.."
442 and obliterate it and the "/..". */
445 while (q
!= current_directory
&& !IS_DIR_SEPARATOR (q
[-1]))
448 if (q
== current_directory
)
449 /* current_directory is
450 a relative pathname ("can't happen"--leave it alone). */
454 memmove (q
- 1, p
+ 3, strlen (p
+ 3) + 1);
459 /* We are dealing with leading repetitions of "/..", for
460 example "/../..", which is the Mach super-root. */
470 forget_cached_source_info ();
473 pwd_command ((char *) 0, 1);
476 /* Show the current value of the 'script-extension' option. */
479 show_script_ext_mode (struct ui_file
*file
, int from_tty
,
480 struct cmd_list_element
*c
, const char *value
)
482 fprintf_filtered (file
,
483 _("Script filename extension recognition is \"%s\".\n"),
487 /* Try to open SCRIPT_FILE.
488 If successful, the full path name is stored in *FULL_PATHP,
489 and the stream is returned.
490 If not successful, return NULL; errno is set for the last file
493 If SEARCH_PATH is non-zero, and the file isn't found in cwd,
494 search for it in the source search path. */
496 gdb::optional
<open_script
>
497 find_and_open_script (const char *script_file
, int search_path
)
500 openp_flags search_flags
= OPF_TRY_CWD_FIRST
| OPF_RETURN_REALPATH
;
501 gdb::optional
<open_script
> opened
;
503 gdb::unique_xmalloc_ptr
<char> file (tilde_expand (script_file
));
506 search_flags
|= OPF_SEARCH_IN_PATH
;
508 /* Search for and open 'file' on the search path used for source
509 files. Put the full location in *FULL_PATHP. */
510 gdb::unique_xmalloc_ptr
<char> full_path
;
511 fd
= openp (source_path
, search_flags
,
512 file
.get (), O_RDONLY
, &full_path
);
517 FILE *result
= fdopen (fd
, FOPEN_RT
);
520 int save_errno
= errno
;
526 opened
.emplace (gdb_file_up (result
), std::move (full_path
));
531 /* Load script FILE, which has already been opened as STREAM.
532 FILE_TO_OPEN is the form of FILE to use if one needs to open the file.
533 This is provided as FILE may have been found via the source search path.
534 An important thing to note here is that FILE may be a symlink to a file
535 with a different or non-existing suffix, and thus one cannot infer the
536 extension language from FILE_TO_OPEN. */
539 source_script_from_stream (FILE *stream
, const char *file
,
540 const char *file_to_open
)
542 if (script_ext_mode
!= script_ext_off
)
544 const struct extension_language_defn
*extlang
545 = get_ext_lang_of_file (file
);
549 if (ext_lang_present_p (extlang
))
551 script_sourcer_func
*sourcer
552 = ext_lang_script_sourcer (extlang
);
554 gdb_assert (sourcer
!= NULL
);
555 sourcer (extlang
, stream
, file_to_open
);
558 else if (script_ext_mode
== script_ext_soft
)
560 /* Assume the file is a gdb script.
561 This is handled below. */
564 throw_ext_lang_unsupported (extlang
);
568 script_from_file (stream
, file
);
571 /* Worker to perform the "source" command.
573 If SEARCH_PATH is non-zero, and the file isn't found in cwd,
574 search for it in the source search path. */
577 source_script_with_search (const char *file
, int from_tty
, int search_path
)
580 if (file
== NULL
|| *file
== 0)
581 error (_("source command requires file name of file to source."));
583 gdb::optional
<open_script
> opened
= find_and_open_script (file
, search_path
);
586 /* The script wasn't found, or was otherwise inaccessible.
587 If the source command was invoked interactively, throw an
588 error. Otherwise (e.g. if it was invoked by a script),
589 just emit a warning, rather than cause an error. */
591 perror_with_name (file
);
594 perror_warning_with_name (file
);
599 /* The python support reopens the file, so we need to pass full_path here
600 in case the file was found on the search path. It's useful to do this
601 anyway so that error messages show the actual file used. But only do
602 this if we (may have) used search_path, as printing the full path in
603 errors for the non-search case can be more noise than signal. */
604 source_script_from_stream (opened
->stream
.get (), file
,
605 search_path
? opened
->full_path
.get () : file
);
608 /* Wrapper around source_script_with_search to export it to main.c
609 for use in loading .gdbinit scripts. */
612 source_script (const char *file
, int from_tty
)
614 source_script_with_search (file
, from_tty
, 0);
618 source_command (const char *args
, int from_tty
)
620 const char *file
= args
;
623 scoped_restore save_source_verbose
= make_scoped_restore (&source_verbose
);
625 /* -v causes the source command to run in verbose mode.
626 -s causes the file to be searched in the source search path,
627 even if the file name contains a '/'.
628 We still have to be able to handle filenames with spaces in a
629 backward compatible way, so buildargv is not appropriate. */
633 while (args
[0] != '\0')
635 /* Make sure leading white space does not break the
637 args
= skip_spaces (args
);
642 if (args
[1] == 'v' && isspace (args
[2]))
646 /* Skip passed -v. */
649 else if (args
[1] == 's' && isspace (args
[2]))
653 /* Skip passed -s. */
660 file
= skip_spaces (args
);
663 source_script_with_search (file
, from_tty
, search_path
);
668 echo_command (const char *text
, int from_tty
)
670 const char *p
= text
;
674 while ((c
= *p
++) != '\0')
678 /* \ at end of argument is used after spaces
679 so they won't be lost. */
683 c
= parse_escape (get_current_arch (), &p
);
685 printf_filtered ("%c", c
);
688 printf_filtered ("%c", c
);
691 /* Force this output to appear now. */
693 gdb_flush (gdb_stdout
);
697 shell_escape (const char *arg
, int from_tty
)
699 #if defined(CANT_FORK) || \
700 (!defined(HAVE_WORKING_VFORK) && !defined(HAVE_WORKING_FORK))
701 /* If ARG is NULL, they want an inferior shell, but `system' just
702 reports if the shell is available when passed a NULL arg. */
703 int rc
= system (arg
? arg
: "");
706 arg
= "inferior shell";
710 fprintf_unfiltered (gdb_stderr
, "Cannot execute %s: %s\n", arg
,
711 safe_strerror (errno
));
712 gdb_flush (gdb_stderr
);
716 fprintf_unfiltered (gdb_stderr
, "%s exited with status %d\n", arg
, rc
);
717 gdb_flush (gdb_stderr
);
720 /* Make sure to return to the directory GDB thinks it is, in case
721 the shell command we just ran changed it. */
722 chdir (current_directory
);
724 #else /* Can fork. */
727 if ((pid
= vfork ()) == 0)
729 const char *p
, *user_shell
;
733 if ((user_shell
= getenv ("SHELL")) == NULL
)
734 user_shell
= "/bin/sh";
736 /* Get the name of the shell for arg0. */
737 p
= lbasename (user_shell
);
740 execl (user_shell
, p
, (char *) 0);
742 execl (user_shell
, p
, "-c", arg
, (char *) 0);
744 fprintf_unfiltered (gdb_stderr
, "Cannot execute %s: %s\n", user_shell
,
745 safe_strerror (errno
));
746 gdb_flush (gdb_stderr
);
751 waitpid (pid
, &status
, 0);
753 error (_("Fork failed"));
754 #endif /* Can fork. */
757 /* Implementation of the "shell" command. */
760 shell_command (const char *arg
, int from_tty
)
762 shell_escape (arg
, from_tty
);
766 edit_command (const char *arg
, int from_tty
)
768 struct symtab_and_line sal
;
774 /* Pull in the current default source line if necessary. */
777 set_default_source_symtab_and_line ();
778 sal
= get_current_source_symtab_and_line ();
781 /* Bare "edit" edits file with present line. */
786 error (_("No default source file yet."));
787 sal
.line
+= get_lines_to_list () / 2;
793 /* Now should only be one argument -- decode it in SAL. */
795 event_location_up location
= string_to_event_location (&arg1
,
797 std::vector
<symtab_and_line
> sals
= decode_line_1 (location
.get (),
798 DECODE_LINE_LIST_MODE
,
807 if (sals
.size () > 1)
809 ambiguous_line_spec (sals
,
810 _("Specified line is ambiguous:\n"));
817 error (_("Junk at end of line specification."));
819 /* If line was specified by address, first print exactly which
820 line, and which file. In this case, sal.symtab == 0 means
821 address is outside of all known source files, not that user
822 failed to give a filename. */
825 struct gdbarch
*gdbarch
;
828 error (_("No source file for address %s."),
829 paddress (get_current_arch (), sal
.pc
));
831 gdbarch
= get_objfile_arch (SYMTAB_OBJFILE (sal
.symtab
));
832 sym
= find_pc_function (sal
.pc
);
834 printf_filtered ("%s is in %s (%s:%d).\n",
835 paddress (gdbarch
, sal
.pc
),
836 SYMBOL_PRINT_NAME (sym
),
837 symtab_to_filename_for_display (sal
.symtab
),
840 printf_filtered ("%s is at %s:%d.\n",
841 paddress (gdbarch
, sal
.pc
),
842 symtab_to_filename_for_display (sal
.symtab
),
846 /* If what was given does not imply a symtab, it must be an
847 undebuggable symbol which means no source code. */
850 error (_("No line number known for %s."), arg
);
853 if ((editor
= getenv ("EDITOR")) == NULL
)
856 fn
= symtab_to_fullname (sal
.symtab
);
858 /* Quote the file name, in case it has whitespace or other special
860 p
= xstrprintf ("%s +%d \"%s\"", editor
, sal
.line
, fn
);
861 shell_escape (p
, from_tty
);
866 list_command (const char *arg
, int from_tty
)
876 /* Pull in the current default source line if necessary. */
877 if (arg
== NULL
|| ((arg
[0] == '+' || arg
[0] == '-') && arg
[1] == '\0'))
879 set_default_source_symtab_and_line ();
880 symtab_and_line cursal
= get_current_source_symtab_and_line ();
882 /* If this is the first "list" since we've set the current
883 source line, center the listing around that line. */
884 if (get_first_line_listed () == 0)
888 first
= std::max (cursal
.line
- get_lines_to_list () / 2, 1);
890 /* A small special case --- if listing backwards, and we
891 should list only one line, list the preceding line,
892 instead of the exact line we've just shown after e.g.,
893 stopping for a breakpoint. */
894 if (arg
!= NULL
&& arg
[0] == '-'
895 && get_lines_to_list () == 1 && first
> 1)
898 print_source_lines (cursal
.symtab
, first
,
899 first
+ get_lines_to_list (), 0);
902 /* "l" or "l +" lists next ten lines. */
903 else if (arg
== NULL
|| arg
[0] == '+')
904 print_source_lines (cursal
.symtab
, cursal
.line
,
905 cursal
.line
+ get_lines_to_list (), 0);
907 /* "l -" lists previous ten lines, the ones before the ten just
909 else if (arg
[0] == '-')
911 if (get_first_line_listed () == 1)
912 error (_("Already at the start of %s."),
913 symtab_to_filename_for_display (cursal
.symtab
));
914 print_source_lines (cursal
.symtab
,
915 std::max (get_first_line_listed ()
916 - get_lines_to_list (), 1),
917 get_first_line_listed (), 0);
923 /* Now if there is only one argument, decode it in SAL
925 If there are two arguments, decode them in SAL and SAL_END
926 and clear NO_END; however, if one of the arguments is blank,
927 set DUMMY_BEG or DUMMY_END to record that fact. */
929 if (!have_full_symbols () && !have_partial_symbols ())
930 error (_("No symbol table is loaded. Use the \"file\" command."));
932 std::vector
<symtab_and_line
> sals
;
933 symtab_and_line sal
, sal_end
;
940 event_location_up location
= string_to_event_location (&arg1
,
942 sals
= decode_line_1 (location
.get (), DECODE_LINE_LIST_MODE
,
954 /* Record whether the BEG arg is all digits. */
956 for (p
= arg
; p
!= arg1
&& *p
>= '0' && *p
<= '9'; p
++);
957 linenum_beg
= (p
== arg1
);
959 /* Save the range of the first argument, in case we need to let the
960 user know it was ambiguous. */
961 const char *beg
= arg
;
962 size_t beg_len
= arg1
- beg
;
964 while (*arg1
== ' ' || *arg1
== '\t')
969 if (sals
.size () > 1)
971 ambiguous_line_spec (sals
,
972 _("Specified first line '%.*s' is ambiguous:\n"),
977 while (*arg1
== ' ' || *arg1
== '\t')
983 /* Save the last argument, in case we need to let the user
984 know it was ambiguous. */
985 const char *end_arg
= arg1
;
987 event_location_up location
988 = string_to_event_location (&arg1
, current_language
);
990 std::vector
<symtab_and_line
> sals_end
992 ? decode_line_1 (location
.get (), DECODE_LINE_LIST_MODE
,
994 : decode_line_1 (location
.get (), DECODE_LINE_LIST_MODE
,
995 NULL
, sal
.symtab
, sal
.line
));
997 filter_sals (sals_end
);
998 if (sals_end
.empty ())
1000 if (sals_end
.size () > 1)
1002 ambiguous_line_spec (sals_end
,
1003 _("Specified last line '%s' is ambiguous:\n"),
1007 sal_end
= sals_end
[0];
1012 error (_("Junk at end of line specification."));
1014 if (!no_end
&& !dummy_beg
&& !dummy_end
1015 && sal
.symtab
!= sal_end
.symtab
)
1016 error (_("Specified first and last lines are in different files."));
1017 if (dummy_beg
&& dummy_end
)
1018 error (_("Two empty args do not say what lines to list."));
1020 /* If line was specified by address,
1021 first print exactly which line, and which file.
1023 In this case, sal.symtab == 0 means address is outside of all
1024 known source files, not that user failed to give a filename. */
1027 struct gdbarch
*gdbarch
;
1029 if (sal
.symtab
== 0)
1030 error (_("No source file for address %s."),
1031 paddress (get_current_arch (), sal
.pc
));
1033 gdbarch
= get_objfile_arch (SYMTAB_OBJFILE (sal
.symtab
));
1034 sym
= find_pc_function (sal
.pc
);
1036 printf_filtered ("%s is in %s (%s:%d).\n",
1037 paddress (gdbarch
, sal
.pc
),
1038 SYMBOL_PRINT_NAME (sym
),
1039 symtab_to_filename_for_display (sal
.symtab
), sal
.line
);
1041 printf_filtered ("%s is at %s:%d.\n",
1042 paddress (gdbarch
, sal
.pc
),
1043 symtab_to_filename_for_display (sal
.symtab
), sal
.line
);
1046 /* If line was not specified by just a line number, and it does not
1047 imply a symtab, it must be an undebuggable symbol which means no
1050 if (!linenum_beg
&& sal
.symtab
== 0)
1051 error (_("No line number known for %s."), arg
);
1053 /* If this command is repeated with RET,
1054 turn it into the no-arg variant. */
1057 set_repeat_arguments ("");
1059 if (dummy_beg
&& sal_end
.symtab
== 0)
1060 error (_("No default source file yet. Do \"help list\"."));
1062 print_source_lines (sal_end
.symtab
,
1063 std::max (sal_end
.line
- (get_lines_to_list () - 1), 1),
1064 sal_end
.line
+ 1, 0);
1065 else if (sal
.symtab
== 0)
1066 error (_("No default source file yet. Do \"help list\"."));
1069 for (int i
= 0; i
< sals
.size (); i
++)
1072 int first_line
= sal
.line
- get_lines_to_list () / 2;
1075 if (sals
.size () > 1)
1076 print_sal_location (sal
);
1077 print_source_lines (sal
.symtab
,
1079 first_line
+ get_lines_to_list (),
1084 print_source_lines (sal
.symtab
, sal
.line
,
1086 ? sal
.line
+ get_lines_to_list ()
1087 : sal_end
.line
+ 1),
1091 /* Subroutine of disassemble_command to simplify it.
1092 Perform the disassembly.
1093 NAME is the name of the function if known, or NULL.
1094 [LOW,HIGH) are the range of addresses to disassemble.
1095 BLOCK is the block to disassemble; it needs to be provided
1096 when non-contiguous blocks are disassembled; otherwise
1098 MIXED is non-zero to print source with the assembler. */
1101 print_disassembly (struct gdbarch
*gdbarch
, const char *name
,
1102 CORE_ADDR low
, CORE_ADDR high
,
1103 const struct block
*block
,
1104 gdb_disassembly_flags flags
)
1107 if (!tui_is_window_visible (DISASSEM_WIN
))
1110 printf_filtered ("Dump of assembler code ");
1112 printf_filtered ("for function %s:\n", name
);
1113 if (block
== nullptr || BLOCK_CONTIGUOUS_P (block
))
1116 printf_filtered ("from %s to %s:\n",
1117 paddress (gdbarch
, low
), paddress (gdbarch
, high
));
1119 /* Dump the specified range. */
1120 gdb_disassembly (gdbarch
, current_uiout
, flags
, -1, low
, high
);
1124 for (int i
= 0; i
< BLOCK_NRANGES (block
); i
++)
1126 CORE_ADDR low
= BLOCK_RANGE_START (block
, i
);
1127 CORE_ADDR high
= BLOCK_RANGE_END (block
, i
);
1128 printf_filtered (_("Address range %s to %s:\n"),
1129 paddress (gdbarch
, low
),
1130 paddress (gdbarch
, high
));
1131 gdb_disassembly (gdbarch
, current_uiout
, flags
, -1, low
, high
);
1134 printf_filtered ("End of assembler dump.\n");
1135 gdb_flush (gdb_stdout
);
1140 tui_show_assembly (gdbarch
, low
);
1145 /* Subroutine of disassemble_command to simplify it.
1146 Print a disassembly of the current function according to FLAGS. */
1149 disassemble_current_function (gdb_disassembly_flags flags
)
1151 struct frame_info
*frame
;
1152 struct gdbarch
*gdbarch
;
1153 CORE_ADDR low
, high
, pc
;
1155 const struct block
*block
;
1157 frame
= get_selected_frame (_("No frame selected."));
1158 gdbarch
= get_frame_arch (frame
);
1159 pc
= get_frame_address_in_block (frame
);
1160 if (find_pc_partial_function (pc
, &name
, &low
, &high
, &block
) == 0)
1161 error (_("No function contains program counter for selected frame."));
1163 /* NOTE: cagney/2003-02-13 The `tui_active' was previously
1166 /* FIXME: cagney/2004-02-07: This should be an observer. */
1167 low
= tui_get_low_disassembly_address (gdbarch
, low
, pc
);
1169 low
+= gdbarch_deprecated_function_start_offset (gdbarch
);
1171 print_disassembly (gdbarch
, name
, low
, high
, block
, flags
);
1174 /* Dump a specified section of assembly code.
1178 - dump the assembly code for the function of the current pc
1179 disassemble [/mrs] addr
1180 - dump the assembly code for the function at ADDR
1181 disassemble [/mrs] low,high
1182 disassemble [/mrs] low,+length
1183 - dump the assembly code in the range [LOW,HIGH), or [LOW,LOW+length)
1185 A /m modifier will include source code with the assembly in a
1186 "source centric" view. This view lists only the file of the first insn,
1187 even if other source files are involved (e.g., inlined functions), and
1188 the output is in source order, even with optimized code. This view is
1189 considered deprecated as it hasn't been useful in practice.
1191 A /r modifier will include raw instructions in hex with the assembly.
1193 A /s modifier will include source code with the assembly, like /m, with
1194 two important differences:
1195 1) The output is still in pc address order.
1196 2) File names and contents for all relevant source files are displayed. */
1199 disassemble_command (const char *arg
, int from_tty
)
1201 struct gdbarch
*gdbarch
= get_current_arch ();
1202 CORE_ADDR low
, high
;
1205 gdb_disassembly_flags flags
;
1207 const struct block
*block
= nullptr;
1218 error (_("Missing modifier."));
1220 while (*p
&& ! isspace (*p
))
1225 flags
|= DISASSEMBLY_SOURCE_DEPRECATED
;
1228 flags
|= DISASSEMBLY_RAW_INSN
;
1231 flags
|= DISASSEMBLY_SOURCE
;
1234 error (_("Invalid disassembly modifier."));
1238 p
= skip_spaces (p
);
1241 if ((flags
& (DISASSEMBLY_SOURCE_DEPRECATED
| DISASSEMBLY_SOURCE
))
1242 == (DISASSEMBLY_SOURCE_DEPRECATED
| DISASSEMBLY_SOURCE
))
1243 error (_("Cannot specify both /m and /s."));
1247 flags
|= DISASSEMBLY_OMIT_FNAME
;
1248 disassemble_current_function (flags
);
1252 pc
= value_as_address (parse_to_comma_and_eval (&p
));
1258 if (find_pc_partial_function (pc
, &name
, &low
, &high
, &block
) == 0)
1259 error (_("No function contains specified address."));
1261 /* NOTE: cagney/2003-02-13 The `tui_active' was previously
1264 /* FIXME: cagney/2004-02-07: This should be an observer. */
1265 low
= tui_get_low_disassembly_address (gdbarch
, low
, pc
);
1267 low
+= gdbarch_deprecated_function_start_offset (gdbarch
);
1268 flags
|= DISASSEMBLY_OMIT_FNAME
;
1272 /* Two arguments. */
1275 p
= skip_spaces (p
);
1281 high
= parse_and_eval_address (p
);
1286 print_disassembly (gdbarch
, name
, low
, high
, block
, flags
);
1290 make_command (const char *arg
, int from_tty
)
1293 shell_escape ("make", from_tty
);
1296 std::string cmd
= std::string ("make ") + arg
;
1298 shell_escape (cmd
.c_str (), from_tty
);
1303 show_user (const char *args
, int from_tty
)
1305 struct cmd_list_element
*c
;
1306 extern struct cmd_list_element
*cmdlist
;
1310 const char *comname
= args
;
1312 c
= lookup_cmd (&comname
, cmdlist
, "", 0, 1);
1313 if (!cli_user_command_p (c
))
1314 error (_("Not a user command."));
1315 show_user_1 (c
, "", args
, gdb_stdout
);
1319 for (c
= cmdlist
; c
; c
= c
->next
)
1321 if (cli_user_command_p (c
) || c
->prefixlist
!= NULL
)
1322 show_user_1 (c
, "", c
->name
, gdb_stdout
);
1327 /* Search through names of commands and documentations for a certain
1328 regular expression. */
1331 apropos_command (const char *searchstr
, int from_tty
)
1333 if (searchstr
== NULL
)
1334 error (_("REGEXP string is empty"));
1336 compiled_regex
pattern (searchstr
, REG_ICASE
,
1337 _("Error in regular expression"));
1339 apropos_cmd (gdb_stdout
, cmdlist
, pattern
, "");
1342 /* Subroutine of alias_command to simplify it.
1343 Return the first N elements of ARGV flattened back to a string
1344 with a space separating each element.
1345 ARGV may not be NULL.
1346 This does not take care of quoting elements in case they contain spaces
1350 argv_to_string (char **argv
, int n
)
1355 gdb_assert (argv
!= NULL
);
1356 gdb_assert (n
>= 0 && n
<= countargv (argv
));
1358 for (i
= 0; i
< n
; ++i
)
1368 /* Subroutine of alias_command to simplify it.
1369 Return TRUE if COMMAND exists, unambiguously. Otherwise FALSE. */
1372 valid_command_p (const char *command
)
1374 struct cmd_list_element
*c
;
1376 c
= lookup_cmd_1 (& command
, cmdlist
, NULL
, 1);
1378 if (c
== NULL
|| c
== (struct cmd_list_element
*) -1)
1381 /* This is the slightly tricky part.
1382 lookup_cmd_1 will return a pointer to the last part of COMMAND
1383 to match, leaving COMMAND pointing at the remainder. */
1384 while (*command
== ' ' || *command
== '\t')
1386 return *command
== '\0';
1389 /* Called when "alias" was incorrectly used. */
1392 alias_usage_error (void)
1394 error (_("Usage: alias [-a] [--] ALIAS = COMMAND"));
1397 /* Make an alias of an existing command. */
1400 alias_command (const char *args
, int from_tty
)
1402 int i
, alias_argc
, command_argc
;
1403 int abbrev_flag
= 0;
1405 const char *alias
, *command
;
1407 if (args
== NULL
|| strchr (args
, '=') == NULL
)
1408 alias_usage_error ();
1410 equals
= strchr (args
, '=');
1411 std::string
args2 (args
, equals
- args
);
1413 gdb_argv
built_alias_argv (args2
.c_str ());
1414 gdb_argv
command_argv (equals
+ 1);
1416 char **alias_argv
= built_alias_argv
.get ();
1417 while (alias_argv
[0] != NULL
)
1419 if (strcmp (alias_argv
[0], "-a") == 0)
1424 else if (strcmp (alias_argv
[0], "--") == 0)
1433 if (alias_argv
[0] == NULL
|| command_argv
[0] == NULL
1434 || *alias_argv
[0] == '\0' || *command_argv
[0] == '\0')
1435 alias_usage_error ();
1437 for (i
= 0; alias_argv
[i
] != NULL
; ++i
)
1439 if (! valid_user_defined_cmd_name_p (alias_argv
[i
]))
1442 error (_("Invalid command name: %s"), alias_argv
[i
]);
1444 error (_("Invalid command element name: %s"), alias_argv
[i
]);
1448 alias_argc
= countargv (alias_argv
);
1449 command_argc
= command_argv
.count ();
1451 /* COMMAND must exist.
1452 Reconstruct the command to remove any extraneous spaces,
1453 for better error messages. */
1454 std::string
command_string (argv_to_string (command_argv
.get (),
1456 command
= command_string
.c_str ();
1457 if (! valid_command_p (command
))
1458 error (_("Invalid command to alias to: %s"), command
);
1460 /* ALIAS must not exist. */
1461 std::string
alias_string (argv_to_string (alias_argv
, alias_argc
));
1462 alias
= alias_string
.c_str ();
1463 if (valid_command_p (alias
))
1464 error (_("Alias already exists: %s"), alias
);
1466 /* If ALIAS is one word, it is an alias for the entire COMMAND.
1467 Example: alias spe = set print elements
1469 Otherwise ALIAS and COMMAND must have the same number of words,
1470 and every word except the last must match; and the last word of
1471 ALIAS is made an alias of the last word of COMMAND.
1472 Example: alias set print elms = set pr elem
1473 Note that unambiguous abbreviations are allowed. */
1475 if (alias_argc
== 1)
1477 /* add_cmd requires *we* allocate space for name, hence the xstrdup. */
1478 add_com_alias (xstrdup (alias_argv
[0]), command
, class_alias
,
1483 const char *alias_prefix
, *command_prefix
;
1484 struct cmd_list_element
*c_alias
, *c_command
;
1486 if (alias_argc
!= command_argc
)
1487 error (_("Mismatched command length between ALIAS and COMMAND."));
1489 /* Create copies of ALIAS and COMMAND without the last word,
1490 and use that to verify the leading elements match. */
1491 std::string
alias_prefix_string (argv_to_string (alias_argv
,
1493 std::string
command_prefix_string (argv_to_string (alias_argv
,
1495 alias_prefix
= alias_prefix_string
.c_str ();
1496 command_prefix
= command_prefix_string
.c_str ();
1498 c_command
= lookup_cmd_1 (& command_prefix
, cmdlist
, NULL
, 1);
1499 /* We've already tried to look up COMMAND. */
1500 gdb_assert (c_command
!= NULL
1501 && c_command
!= (struct cmd_list_element
*) -1);
1502 gdb_assert (c_command
->prefixlist
!= NULL
);
1503 c_alias
= lookup_cmd_1 (& alias_prefix
, cmdlist
, NULL
, 1);
1504 if (c_alias
!= c_command
)
1505 error (_("ALIAS and COMMAND prefixes do not match."));
1507 /* add_cmd requires *we* allocate space for name, hence the xstrdup. */
1508 add_alias_cmd (xstrdup (alias_argv
[alias_argc
- 1]),
1509 command_argv
[command_argc
- 1],
1510 class_alias
, abbrev_flag
, c_command
->prefixlist
);
1514 /* Print the file / line number / symbol name of the location
1515 specified by SAL. */
1518 print_sal_location (const symtab_and_line
&sal
)
1520 scoped_restore_current_program_space restore_pspace
;
1521 set_current_program_space (sal
.pspace
);
1523 const char *sym_name
= NULL
;
1524 if (sal
.symbol
!= NULL
)
1525 sym_name
= SYMBOL_PRINT_NAME (sal
.symbol
);
1526 printf_filtered (_("file: \"%s\", line number: %d, symbol: \"%s\"\n"),
1527 symtab_to_filename_for_display (sal
.symtab
),
1528 sal
.line
, sym_name
!= NULL
? sym_name
: "???");
1531 /* Print a list of files and line numbers which a user may choose from
1532 in order to list a function which was specified ambiguously (as
1533 with `list classname::overloadedfuncname', for example). The SALS
1534 array provides the filenames and line numbers. FORMAT is a
1535 printf-style format string used to tell the user what was
1539 ambiguous_line_spec (gdb::array_view
<const symtab_and_line
> sals
,
1540 const char *format
, ...)
1543 va_start (ap
, format
);
1544 vprintf_filtered (format
, ap
);
1547 for (const auto &sal
: sals
)
1548 print_sal_location (sal
);
1551 /* Comparison function for filter_sals. Returns a qsort-style
1555 cmp_symtabs (const symtab_and_line
&sala
, const symtab_and_line
&salb
)
1557 const char *dira
= SYMTAB_DIRNAME (sala
.symtab
);
1558 const char *dirb
= SYMTAB_DIRNAME (salb
.symtab
);
1566 else if (dirb
== NULL
)
1573 r
= filename_cmp (dira
, dirb
);
1578 r
= filename_cmp (sala
.symtab
->filename
, salb
.symtab
->filename
);
1582 if (sala
.line
< salb
.line
)
1584 return sala
.line
== salb
.line
? 0 : 1;
1587 /* Remove any SALs that do not match the current program space, or
1588 which appear to be "file:line" duplicates. */
1591 filter_sals (std::vector
<symtab_and_line
> &sals
)
1593 /* Remove SALs that do not match. */
1594 auto from
= std::remove_if (sals
.begin (), sals
.end (),
1595 [&] (const symtab_and_line
&sal
)
1596 { return (sal
.pspace
!= current_program_space
|| sal
.symtab
== NULL
); });
1599 std::sort (sals
.begin (), from
,
1600 [] (const symtab_and_line
&sala
, const symtab_and_line
&salb
)
1601 { return cmp_symtabs (sala
, salb
) < 0; });
1603 from
= std::unique (sals
.begin (), from
,
1604 [&] (const symtab_and_line
&sala
,
1605 const symtab_and_line
&salb
)
1606 { return cmp_symtabs (sala
, salb
) == 0; });
1608 sals
.erase (from
, sals
.end ());
1612 set_debug (const char *arg
, int from_tty
)
1614 printf_unfiltered (_("\"set debug\" must be followed by "
1615 "the name of a debug subcommand.\n"));
1616 help_list (setdebuglist
, "set debug ", all_commands
, gdb_stdout
);
1620 show_debug (const char *args
, int from_tty
)
1622 cmd_show_list (showdebuglist
, from_tty
, "");
1626 init_cmd_lists (void)
1628 max_user_call_depth
= 1024;
1632 show_info_verbose (struct ui_file
*file
, int from_tty
,
1633 struct cmd_list_element
*c
,
1637 fprintf_filtered (file
,
1638 _("Verbose printing of informational messages is %s.\n"),
1641 fprintf_filtered (file
, _("Verbosity is %s.\n"), value
);
1645 show_history_expansion_p (struct ui_file
*file
, int from_tty
,
1646 struct cmd_list_element
*c
, const char *value
)
1648 fprintf_filtered (file
, _("History expansion on command input is %s.\n"),
1653 show_remote_debug (struct ui_file
*file
, int from_tty
,
1654 struct cmd_list_element
*c
, const char *value
)
1656 fprintf_filtered (file
, _("Debugging of remote protocol is %s.\n"),
1661 show_remote_timeout (struct ui_file
*file
, int from_tty
,
1662 struct cmd_list_element
*c
, const char *value
)
1664 fprintf_filtered (file
,
1665 _("Timeout limit to wait for target to respond is %s.\n"),
1670 show_max_user_call_depth (struct ui_file
*file
, int from_tty
,
1671 struct cmd_list_element
*c
, const char *value
)
1673 fprintf_filtered (file
,
1674 _("The max call depth for user-defined commands is %s.\n"),
1679 _initialize_cli_cmds (void)
1681 struct cmd_list_element
*c
;
1683 /* Define the classes of commands.
1684 They will appear in the help list in alphabetical order. */
1686 add_cmd ("internals", class_maintenance
, _("\
1687 Maintenance commands.\n\
1688 Some gdb commands are provided just for use by gdb maintainers.\n\
1689 These commands are subject to frequent change, and may not be as\n\
1690 well documented as user commands."),
1692 add_cmd ("obscure", class_obscure
, _("Obscure features."), &cmdlist
);
1693 add_cmd ("aliases", class_alias
,
1694 _("Aliases of other commands."), &cmdlist
);
1695 add_cmd ("user-defined", class_user
, _("\
1696 User-defined commands.\n\
1697 The commands in this class are those defined by the user.\n\
1698 Use the \"define\" command to define a command."), &cmdlist
);
1699 add_cmd ("support", class_support
, _("Support facilities."), &cmdlist
);
1701 add_cmd ("status", class_info
, _("Status inquiries."), &cmdlist
);
1702 add_cmd ("files", class_files
, _("Specifying and examining files."),
1704 add_cmd ("breakpoints", class_breakpoint
,
1705 _("Making program stop at certain points."), &cmdlist
);
1706 add_cmd ("data", class_vars
, _("Examining data."), &cmdlist
);
1707 add_cmd ("stack", class_stack
, _("\
1708 Examining the stack.\n\
1709 The stack is made up of stack frames. Gdb assigns numbers to stack frames\n\
1710 counting from zero for the innermost (currently executing) frame.\n\n\
1711 At any time gdb identifies one frame as the \"selected\" frame.\n\
1712 Variable lookups are done with respect to the selected frame.\n\
1713 When the program being debugged stops, gdb selects the innermost frame.\n\
1714 The commands below can be used to select other frames by number or address."),
1716 add_cmd ("running", class_run
, _("Running the program."), &cmdlist
);
1718 /* Define general commands. */
1720 add_com ("pwd", class_files
, pwd_command
, _("\
1721 Print working directory. This is used for your program as well."));
1723 c
= add_cmd ("cd", class_files
, cd_command
, _("\
1724 Set working directory to DIR for debugger.\n\
1725 The debugger's current working directory specifies where scripts and other\n\
1726 files that can be loaded by GDB are located.\n\
1727 In order to change the inferior's current working directory, the recommended\n\
1728 way is to use the \"set cwd\" command."), &cmdlist
);
1729 set_cmd_completer (c
, filename_completer
);
1731 add_com ("echo", class_support
, echo_command
, _("\
1732 Print a constant string. Give string as argument.\n\
1733 C escape sequences may be used in the argument.\n\
1734 No newline is added at the end of the argument;\n\
1735 use \"\\n\" if you want a newline to be printed.\n\
1736 Since leading and trailing whitespace are ignored in command arguments,\n\
1737 if you want to print some you must use \"\\\" before leading whitespace\n\
1738 to be printed or after trailing whitespace."));
1740 add_setshow_enum_cmd ("script-extension", class_support
,
1741 script_ext_enums
, &script_ext_mode
, _("\
1742 Set mode for script filename extension recognition."), _("\
1743 Show mode for script filename extension recognition."), _("\
1744 off == no filename extension recognition (all sourced files are GDB scripts)\n\
1745 soft == evaluate script according to filename extension, fallback to GDB script"
1747 strict == evaluate script according to filename extension, error if not supported"
1750 show_script_ext_mode
,
1751 &setlist
, &showlist
);
1753 add_com ("quit", class_support
, quit_command
, _("\
1755 Usage: quit [EXPR]\n\
1756 The optional expression EXPR, if present, is evaluated and the result\n\
1757 used as GDB's exit code. The default is zero."));
1758 c
= add_com ("help", class_support
, help_command
,
1759 _("Print list of commands."));
1760 set_cmd_completer (c
, command_completer
);
1761 add_com_alias ("q", "quit", class_support
, 1);
1762 add_com_alias ("h", "help", class_support
, 1);
1764 add_setshow_boolean_cmd ("verbose", class_support
, &info_verbose
, _("\
1765 Set verbosity."), _("\
1766 Show verbosity."), NULL
,
1769 &setlist
, &showlist
);
1771 add_prefix_cmd ("history", class_support
, set_history
,
1772 _("Generic command for setting command history parameters."),
1773 &sethistlist
, "set history ", 0, &setlist
);
1774 add_prefix_cmd ("history", class_support
, show_history
,
1775 _("Generic command for showing command history parameters."),
1776 &showhistlist
, "show history ", 0, &showlist
);
1778 add_setshow_boolean_cmd ("expansion", no_class
, &history_expansion_p
, _("\
1779 Set history expansion on command input."), _("\
1780 Show history expansion on command input."), _("\
1781 Without an argument, history expansion is enabled."),
1783 show_history_expansion_p
,
1784 &sethistlist
, &showhistlist
);
1786 add_prefix_cmd ("info", class_info
, info_command
, _("\
1787 Generic command for showing things about the program being debugged."),
1788 &infolist
, "info ", 0, &cmdlist
);
1789 add_com_alias ("i", "info", class_info
, 1);
1790 add_com_alias ("inf", "info", class_info
, 1);
1792 add_com ("complete", class_obscure
, complete_command
,
1793 _("List the completions for the rest of the line as a command."));
1795 add_prefix_cmd ("show", class_info
, show_command
, _("\
1796 Generic command for showing things about the debugger."),
1797 &showlist
, "show ", 0, &cmdlist
);
1798 /* Another way to get at the same thing. */
1799 add_info ("set", show_command
, _("Show all GDB settings."));
1801 add_cmd ("commands", no_set_class
, show_commands
, _("\
1802 Show the history of commands you typed.\n\
1803 You can supply a command number to start with, or a `+' to start after\n\
1804 the previous command number shown."),
1807 add_cmd ("version", no_set_class
, show_version
,
1808 _("Show what version of GDB this is."), &showlist
);
1810 add_cmd ("configuration", no_set_class
, show_configuration
,
1811 _("Show how GDB was configured at build time."), &showlist
);
1813 add_setshow_zinteger_cmd ("remote", no_class
, &remote_debug
, _("\
1814 Set debugging of remote protocol."), _("\
1815 Show debugging of remote protocol."), _("\
1816 When enabled, each packet sent or received with the remote target\n\
1820 &setdebuglist
, &showdebuglist
);
1822 add_setshow_zuinteger_unlimited_cmd ("remotetimeout", no_class
,
1823 &remote_timeout
, _("\
1824 Set timeout limit to wait for target to respond."), _("\
1825 Show timeout limit to wait for target to respond."), _("\
1826 This value is used to set the time limit for gdb to wait for a response\n\
1829 show_remote_timeout
,
1830 &setlist
, &showlist
);
1832 add_prefix_cmd ("debug", no_class
, set_debug
,
1833 _("Generic command for setting gdb debugging flags"),
1834 &setdebuglist
, "set debug ", 0, &setlist
);
1836 add_prefix_cmd ("debug", no_class
, show_debug
,
1837 _("Generic command for showing gdb debugging flags"),
1838 &showdebuglist
, "show debug ", 0, &showlist
);
1840 c
= add_com ("shell", class_support
, shell_command
, _("\
1841 Execute the rest of the line as a shell command.\n\
1842 With no arguments, run an inferior shell."));
1843 set_cmd_completer (c
, filename_completer
);
1845 c
= add_com ("edit", class_files
, edit_command
, _("\
1846 Edit specified file or function.\n\
1847 With no argument, edits file containing most recent line listed.\n\
1848 Editing targets can be specified in these ways:\n\
1849 FILE:LINENUM, to edit at that line in that file,\n\
1850 FUNCTION, to edit at the beginning of that function,\n\
1851 FILE:FUNCTION, to distinguish among like-named static functions.\n\
1852 *ADDRESS, to edit at the line containing that address.\n\
1853 Uses EDITOR environment variable contents as editor (or ex as default)."));
1855 c
->completer
= location_completer
;
1857 add_com ("list", class_files
, list_command
, _("\
1858 List specified function or line.\n\
1859 With no argument, lists ten more lines after or around previous listing.\n\
1860 \"list -\" lists the ten lines before a previous ten-line listing.\n\
1861 One argument specifies a line, and ten lines are listed around that line.\n\
1862 Two arguments with comma between specify starting and ending lines to list.\n\
1863 Lines can be specified in these ways:\n\
1864 LINENUM, to list around that line in current file,\n\
1865 FILE:LINENUM, to list around that line in that file,\n\
1866 FUNCTION, to list around beginning of that function,\n\
1867 FILE:FUNCTION, to distinguish among like-named static functions.\n\
1868 *ADDRESS, to list around the line containing that address.\n\
1869 With two args, if one is empty, it stands for ten lines away from\n\
1872 By default, when a single location is given, display ten lines.\n\
1873 This can be changed using \"set listsize\", and the current value\n\
1874 can be shown using \"show listsize\"."));
1876 add_com_alias ("l", "list", class_files
, 1);
1879 add_com_alias ("file", "list", class_files
, 1);
1881 c
= add_com ("disassemble", class_vars
, disassemble_command
, _("\
1882 Disassemble a specified section of memory.\n\
1883 Default is the function surrounding the pc of the selected frame.\n\
1885 With a /m modifier, source lines are included (if available).\n\
1886 This view is \"source centric\": the output is in source line order,\n\
1887 regardless of any optimization that is present. Only the main source file\n\
1888 is displayed, not those of, e.g., any inlined functions.\n\
1889 This modifier hasn't proved useful in practice and is deprecated\n\
1892 With a /s modifier, source lines are included (if available).\n\
1893 This differs from /m in two important respects:\n\
1894 - the output is still in pc address order, and\n\
1895 - file names and contents for all relevant source files are displayed.\n\
1897 With a /r modifier, raw instructions in hex are included.\n\
1899 With a single argument, the function surrounding that address is dumped.\n\
1900 Two arguments (separated by a comma) are taken as a range of memory to dump,\n\
1901 in the form of \"start,end\", or \"start,+length\".\n\
1903 Note that the address is interpreted as an expression, not as a location\n\
1904 like in the \"break\" command.\n\
1905 So, for example, if you want to disassemble function bar in file foo.c\n\
1906 you must type \"disassemble 'foo.c'::bar\" and not \"disassemble foo.c:bar\"."));
1907 set_cmd_completer (c
, location_completer
);
1909 add_com_alias ("!", "shell", class_support
, 0);
1911 c
= add_com ("make", class_support
, make_command
, _("\
1912 Run the ``make'' program using the rest of the line as arguments."));
1913 set_cmd_completer (c
, filename_completer
);
1914 add_cmd ("user", no_class
, show_user
, _("\
1915 Show definitions of non-python/scheme user defined commands.\n\
1916 Argument is the name of the user defined command.\n\
1917 With no argument, show definitions of all user defined commands."), &showlist
);
1918 add_com ("apropos", class_support
, apropos_command
,
1919 _("Search for commands matching a REGEXP"));
1921 add_setshow_uinteger_cmd ("max-user-call-depth", no_class
,
1922 &max_user_call_depth
, _("\
1923 Set the max call depth for non-python/scheme user-defined commands."), _("\
1924 Show the max call depth for non-python/scheme user-defined commands."), NULL
,
1926 show_max_user_call_depth
,
1927 &setlist
, &showlist
);
1929 add_setshow_boolean_cmd ("trace-commands", no_class
, &trace_commands
, _("\
1930 Set tracing of GDB CLI commands."), _("\
1931 Show state of GDB CLI command tracing."), _("\
1932 When 'on', each command is displayed as it is executed."),
1935 &setlist
, &showlist
);
1937 c
= add_com ("alias", class_support
, alias_command
, _("\
1938 Define a new command that is an alias of an existing command.\n\
1939 Usage: alias [-a] [--] ALIAS = COMMAND\n\
1940 ALIAS is the name of the alias command to create.\n\
1941 COMMAND is the command being aliased to.\n\
1942 If \"-a\" is specified, the command is an abbreviation,\n\
1943 and will not appear in help command list output.\n\
1946 Make \"spe\" an alias of \"set print elements\":\n\
1947 alias spe = set print elements\n\
1948 Make \"elms\" an alias of \"elements\" in the \"set print\" command:\n\
1949 alias -a set print elms = set print elements"));
1953 init_cli_cmds (void)
1955 struct cmd_list_element
*c
;
1956 char *source_help_text
;
1958 source_help_text
= xstrprintf (_("\
1959 Read commands from a file named FILE.\n\
1961 Usage: source [-s] [-v] FILE\n\
1962 -s: search for the script in the source search path,\n\
1963 even if FILE contains directories.\n\
1964 -v: each command in FILE is echoed as it is executed.\n\
1966 Note that the file \"%s\" is read automatically in this way\n\
1967 when GDB is started."), gdbinit
);
1968 c
= add_cmd ("source", class_support
, source_command
,
1969 source_help_text
, &cmdlist
);
1970 set_cmd_completer (c
, filename_completer
);