3 Copyright (C) 2000-2019 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 "common/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 "common/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 reset_terminal_style (gdb_stdout
);
694 /* Force this output to appear now. */
696 gdb_flush (gdb_stdout
);
700 shell_escape (const char *arg
, int from_tty
)
702 #if defined(CANT_FORK) || \
703 (!defined(HAVE_WORKING_VFORK) && !defined(HAVE_WORKING_FORK))
704 /* If ARG is NULL, they want an inferior shell, but `system' just
705 reports if the shell is available when passed a NULL arg. */
706 int rc
= system (arg
? arg
: "");
709 arg
= "inferior shell";
712 fprintf_unfiltered (gdb_stderr
, "Cannot execute %s: %s\n", arg
,
713 safe_strerror (errno
));
715 fprintf_unfiltered (gdb_stderr
, "%s exited with status %d\n", arg
, rc
);
717 /* Make sure to return to the directory GDB thinks it is, in case
718 the shell command we just ran changed it. */
719 chdir (current_directory
);
721 #else /* Can fork. */
724 if ((pid
= vfork ()) == 0)
726 const char *p
, *user_shell
= get_shell ();
730 /* Get the name of the shell for arg0. */
731 p
= lbasename (user_shell
);
734 execl (user_shell
, p
, (char *) 0);
736 execl (user_shell
, p
, "-c", arg
, (char *) 0);
738 fprintf_unfiltered (gdb_stderr
, "Cannot execute %s: %s\n", user_shell
,
739 safe_strerror (errno
));
744 waitpid (pid
, &status
, 0);
746 error (_("Fork failed"));
747 #endif /* Can fork. */
750 /* Implementation of the "shell" command. */
753 shell_command (const char *arg
, int from_tty
)
755 shell_escape (arg
, from_tty
);
759 edit_command (const char *arg
, int from_tty
)
761 struct symtab_and_line sal
;
767 /* Pull in the current default source line if necessary. */
770 set_default_source_symtab_and_line ();
771 sal
= get_current_source_symtab_and_line ();
774 /* Bare "edit" edits file with present line. */
779 error (_("No default source file yet."));
780 sal
.line
+= get_lines_to_list () / 2;
786 /* Now should only be one argument -- decode it in SAL. */
788 event_location_up location
= string_to_event_location (&arg1
,
790 std::vector
<symtab_and_line
> sals
= decode_line_1 (location
.get (),
791 DECODE_LINE_LIST_MODE
,
800 if (sals
.size () > 1)
802 ambiguous_line_spec (sals
,
803 _("Specified line is ambiguous:\n"));
810 error (_("Junk at end of line specification."));
812 /* If line was specified by address, first print exactly which
813 line, and which file. In this case, sal.symtab == 0 means
814 address is outside of all known source files, not that user
815 failed to give a filename. */
818 struct gdbarch
*gdbarch
;
821 error (_("No source file for address %s."),
822 paddress (get_current_arch (), sal
.pc
));
824 gdbarch
= get_objfile_arch (SYMTAB_OBJFILE (sal
.symtab
));
825 sym
= find_pc_function (sal
.pc
);
827 printf_filtered ("%s is in %s (%s:%d).\n",
828 paddress (gdbarch
, sal
.pc
),
829 SYMBOL_PRINT_NAME (sym
),
830 symtab_to_filename_for_display (sal
.symtab
),
833 printf_filtered ("%s is at %s:%d.\n",
834 paddress (gdbarch
, sal
.pc
),
835 symtab_to_filename_for_display (sal
.symtab
),
839 /* If what was given does not imply a symtab, it must be an
840 undebuggable symbol which means no source code. */
843 error (_("No line number known for %s."), arg
);
846 if ((editor
= getenv ("EDITOR")) == NULL
)
849 fn
= symtab_to_fullname (sal
.symtab
);
851 /* Quote the file name, in case it has whitespace or other special
853 p
= xstrprintf ("%s +%d \"%s\"", editor
, sal
.line
, fn
);
854 shell_escape (p
, from_tty
);
859 list_command (const char *arg
, int from_tty
)
869 /* Pull in the current default source line if necessary. */
870 if (arg
== NULL
|| ((arg
[0] == '+' || arg
[0] == '-') && arg
[1] == '\0'))
872 set_default_source_symtab_and_line ();
873 symtab_and_line cursal
= get_current_source_symtab_and_line ();
875 /* If this is the first "list" since we've set the current
876 source line, center the listing around that line. */
877 if (get_first_line_listed () == 0)
881 first
= std::max (cursal
.line
- get_lines_to_list () / 2, 1);
883 /* A small special case --- if listing backwards, and we
884 should list only one line, list the preceding line,
885 instead of the exact line we've just shown after e.g.,
886 stopping for a breakpoint. */
887 if (arg
!= NULL
&& arg
[0] == '-'
888 && get_lines_to_list () == 1 && first
> 1)
891 print_source_lines (cursal
.symtab
, source_lines_range (first
), 0);
894 /* "l" or "l +" lists next ten lines. */
895 else if (arg
== NULL
|| arg
[0] == '+')
896 print_source_lines (cursal
.symtab
,
897 source_lines_range (cursal
.line
), 0);
899 /* "l -" lists previous ten lines, the ones before the ten just
901 else if (arg
[0] == '-')
903 if (get_first_line_listed () == 1)
904 error (_("Already at the start of %s."),
905 symtab_to_filename_for_display (cursal
.symtab
));
906 source_lines_range
range (get_first_line_listed (),
907 source_lines_range::BACKWARD
);
908 print_source_lines (cursal
.symtab
, range
, 0);
914 /* Now if there is only one argument, decode it in SAL
916 If there are two arguments, decode them in SAL and SAL_END
917 and clear NO_END; however, if one of the arguments is blank,
918 set DUMMY_BEG or DUMMY_END to record that fact. */
920 if (!have_full_symbols () && !have_partial_symbols ())
921 error (_("No symbol table is loaded. Use the \"file\" command."));
923 std::vector
<symtab_and_line
> sals
;
924 symtab_and_line sal
, sal_end
;
931 event_location_up location
= string_to_event_location (&arg1
,
933 sals
= decode_line_1 (location
.get (), DECODE_LINE_LIST_MODE
,
945 /* Record whether the BEG arg is all digits. */
947 for (p
= arg
; p
!= arg1
&& *p
>= '0' && *p
<= '9'; p
++);
948 linenum_beg
= (p
== arg1
);
950 /* Save the range of the first argument, in case we need to let the
951 user know it was ambiguous. */
952 const char *beg
= arg
;
953 size_t beg_len
= arg1
- beg
;
955 while (*arg1
== ' ' || *arg1
== '\t')
960 if (sals
.size () > 1)
962 ambiguous_line_spec (sals
,
963 _("Specified first line '%.*s' is ambiguous:\n"),
968 while (*arg1
== ' ' || *arg1
== '\t')
974 /* Save the last argument, in case we need to let the user
975 know it was ambiguous. */
976 const char *end_arg
= arg1
;
978 event_location_up location
979 = string_to_event_location (&arg1
, current_language
);
981 std::vector
<symtab_and_line
> sals_end
983 ? decode_line_1 (location
.get (), DECODE_LINE_LIST_MODE
,
985 : decode_line_1 (location
.get (), DECODE_LINE_LIST_MODE
,
986 NULL
, sal
.symtab
, sal
.line
));
988 filter_sals (sals_end
);
989 if (sals_end
.empty ())
991 if (sals_end
.size () > 1)
993 ambiguous_line_spec (sals_end
,
994 _("Specified last line '%s' is ambiguous:\n"),
998 sal_end
= sals_end
[0];
1003 error (_("Junk at end of line specification."));
1005 if (!no_end
&& !dummy_beg
&& !dummy_end
1006 && sal
.symtab
!= sal_end
.symtab
)
1007 error (_("Specified first and last lines are in different files."));
1008 if (dummy_beg
&& dummy_end
)
1009 error (_("Two empty args do not say what lines to list."));
1011 /* If line was specified by address,
1012 first print exactly which line, and which file.
1014 In this case, sal.symtab == 0 means address is outside of all
1015 known source files, not that user failed to give a filename. */
1018 struct gdbarch
*gdbarch
;
1020 if (sal
.symtab
== 0)
1021 error (_("No source file for address %s."),
1022 paddress (get_current_arch (), sal
.pc
));
1024 gdbarch
= get_objfile_arch (SYMTAB_OBJFILE (sal
.symtab
));
1025 sym
= find_pc_function (sal
.pc
);
1027 printf_filtered ("%s is in %s (%s:%d).\n",
1028 paddress (gdbarch
, sal
.pc
),
1029 SYMBOL_PRINT_NAME (sym
),
1030 symtab_to_filename_for_display (sal
.symtab
), sal
.line
);
1032 printf_filtered ("%s is at %s:%d.\n",
1033 paddress (gdbarch
, sal
.pc
),
1034 symtab_to_filename_for_display (sal
.symtab
), sal
.line
);
1037 /* If line was not specified by just a line number, and it does not
1038 imply a symtab, it must be an undebuggable symbol which means no
1041 if (!linenum_beg
&& sal
.symtab
== 0)
1042 error (_("No line number known for %s."), arg
);
1044 /* If this command is repeated with RET,
1045 turn it into the no-arg variant. */
1048 set_repeat_arguments ("");
1050 if (dummy_beg
&& sal_end
.symtab
== 0)
1051 error (_("No default source file yet. Do \"help list\"."));
1054 source_lines_range
range (sal_end
.line
+ 1,
1055 source_lines_range::BACKWARD
);
1056 print_source_lines (sal_end
.symtab
, range
, 0);
1058 else if (sal
.symtab
== 0)
1059 error (_("No default source file yet. Do \"help list\"."));
1062 for (int i
= 0; i
< sals
.size (); i
++)
1065 int first_line
= sal
.line
- get_lines_to_list () / 2;
1068 if (sals
.size () > 1)
1069 print_sal_location (sal
);
1070 print_source_lines (sal
.symtab
, source_lines_range (first_line
), 0);
1074 print_source_lines (sal
.symtab
, source_lines_range (sal
.line
), 0);
1076 print_source_lines (sal
.symtab
,
1077 source_lines_range (sal
.line
, (sal_end
.line
+ 1)),
1081 /* Subroutine of disassemble_command to simplify it.
1082 Perform the disassembly.
1083 NAME is the name of the function if known, or NULL.
1084 [LOW,HIGH) are the range of addresses to disassemble.
1085 BLOCK is the block to disassemble; it needs to be provided
1086 when non-contiguous blocks are disassembled; otherwise
1088 MIXED is non-zero to print source with the assembler. */
1091 print_disassembly (struct gdbarch
*gdbarch
, const char *name
,
1092 CORE_ADDR low
, CORE_ADDR high
,
1093 const struct block
*block
,
1094 gdb_disassembly_flags flags
)
1097 if (!tui_is_window_visible (DISASSEM_WIN
))
1100 printf_filtered ("Dump of assembler code ");
1102 printf_filtered ("for function %s:\n", name
);
1103 if (block
== nullptr || BLOCK_CONTIGUOUS_P (block
))
1106 printf_filtered ("from %s to %s:\n",
1107 paddress (gdbarch
, low
), paddress (gdbarch
, high
));
1109 /* Dump the specified range. */
1110 gdb_disassembly (gdbarch
, current_uiout
, flags
, -1, low
, high
);
1114 for (int i
= 0; i
< BLOCK_NRANGES (block
); i
++)
1116 CORE_ADDR range_low
= BLOCK_RANGE_START (block
, i
);
1117 CORE_ADDR range_high
= BLOCK_RANGE_END (block
, i
);
1118 printf_filtered (_("Address range %s to %s:\n"),
1119 paddress (gdbarch
, range_low
),
1120 paddress (gdbarch
, range_high
));
1121 gdb_disassembly (gdbarch
, current_uiout
, flags
, -1,
1122 range_low
, range_high
);
1125 printf_filtered ("End of assembler dump.\n");
1130 tui_show_assembly (gdbarch
, low
);
1135 /* Subroutine of disassemble_command to simplify it.
1136 Print a disassembly of the current function according to FLAGS. */
1139 disassemble_current_function (gdb_disassembly_flags flags
)
1141 struct frame_info
*frame
;
1142 struct gdbarch
*gdbarch
;
1143 CORE_ADDR low
, high
, pc
;
1145 const struct block
*block
;
1147 frame
= get_selected_frame (_("No frame selected."));
1148 gdbarch
= get_frame_arch (frame
);
1149 pc
= get_frame_address_in_block (frame
);
1150 if (find_pc_partial_function (pc
, &name
, &low
, &high
, &block
) == 0)
1151 error (_("No function contains program counter for selected frame."));
1153 /* NOTE: cagney/2003-02-13 The `tui_active' was previously
1156 /* FIXME: cagney/2004-02-07: This should be an observer. */
1157 low
= tui_get_low_disassembly_address (gdbarch
, low
, pc
);
1159 low
+= gdbarch_deprecated_function_start_offset (gdbarch
);
1161 print_disassembly (gdbarch
, name
, low
, high
, block
, flags
);
1164 /* Dump a specified section of assembly code.
1168 - dump the assembly code for the function of the current pc
1169 disassemble [/mrs] addr
1170 - dump the assembly code for the function at ADDR
1171 disassemble [/mrs] low,high
1172 disassemble [/mrs] low,+length
1173 - dump the assembly code in the range [LOW,HIGH), or [LOW,LOW+length)
1175 A /m modifier will include source code with the assembly in a
1176 "source centric" view. This view lists only the file of the first insn,
1177 even if other source files are involved (e.g., inlined functions), and
1178 the output is in source order, even with optimized code. This view is
1179 considered deprecated as it hasn't been useful in practice.
1181 A /r modifier will include raw instructions in hex with the assembly.
1183 A /s modifier will include source code with the assembly, like /m, with
1184 two important differences:
1185 1) The output is still in pc address order.
1186 2) File names and contents for all relevant source files are displayed. */
1189 disassemble_command (const char *arg
, int from_tty
)
1191 struct gdbarch
*gdbarch
= get_current_arch ();
1192 CORE_ADDR low
, high
;
1195 gdb_disassembly_flags flags
;
1197 const struct block
*block
= nullptr;
1208 error (_("Missing modifier."));
1210 while (*p
&& ! isspace (*p
))
1215 flags
|= DISASSEMBLY_SOURCE_DEPRECATED
;
1218 flags
|= DISASSEMBLY_RAW_INSN
;
1221 flags
|= DISASSEMBLY_SOURCE
;
1224 error (_("Invalid disassembly modifier."));
1228 p
= skip_spaces (p
);
1231 if ((flags
& (DISASSEMBLY_SOURCE_DEPRECATED
| DISASSEMBLY_SOURCE
))
1232 == (DISASSEMBLY_SOURCE_DEPRECATED
| DISASSEMBLY_SOURCE
))
1233 error (_("Cannot specify both /m and /s."));
1237 flags
|= DISASSEMBLY_OMIT_FNAME
;
1238 disassemble_current_function (flags
);
1242 pc
= value_as_address (parse_to_comma_and_eval (&p
));
1248 if (find_pc_partial_function (pc
, &name
, &low
, &high
, &block
) == 0)
1249 error (_("No function contains specified address."));
1251 /* NOTE: cagney/2003-02-13 The `tui_active' was previously
1254 /* FIXME: cagney/2004-02-07: This should be an observer. */
1255 low
= tui_get_low_disassembly_address (gdbarch
, low
, pc
);
1257 low
+= gdbarch_deprecated_function_start_offset (gdbarch
);
1258 flags
|= DISASSEMBLY_OMIT_FNAME
;
1262 /* Two arguments. */
1265 p
= skip_spaces (p
);
1271 high
= parse_and_eval_address (p
);
1276 print_disassembly (gdbarch
, name
, low
, high
, block
, flags
);
1280 make_command (const char *arg
, int from_tty
)
1283 shell_escape ("make", from_tty
);
1286 std::string cmd
= std::string ("make ") + arg
;
1288 shell_escape (cmd
.c_str (), from_tty
);
1293 show_user (const char *args
, int from_tty
)
1295 struct cmd_list_element
*c
;
1296 extern struct cmd_list_element
*cmdlist
;
1300 const char *comname
= args
;
1302 c
= lookup_cmd (&comname
, cmdlist
, "", 0, 1);
1303 if (!cli_user_command_p (c
))
1304 error (_("Not a user command."));
1305 show_user_1 (c
, "", args
, gdb_stdout
);
1309 for (c
= cmdlist
; c
; c
= c
->next
)
1311 if (cli_user_command_p (c
) || c
->prefixlist
!= NULL
)
1312 show_user_1 (c
, "", c
->name
, gdb_stdout
);
1317 /* Search through names of commands and documentations for a certain
1318 regular expression. */
1321 apropos_command (const char *searchstr
, int from_tty
)
1323 if (searchstr
== NULL
)
1324 error (_("REGEXP string is empty"));
1326 compiled_regex
pattern (searchstr
, REG_ICASE
,
1327 _("Error in regular expression"));
1329 apropos_cmd (gdb_stdout
, cmdlist
, pattern
, "");
1332 /* Subroutine of alias_command to simplify it.
1333 Return the first N elements of ARGV flattened back to a string
1334 with a space separating each element.
1335 ARGV may not be NULL.
1336 This does not take care of quoting elements in case they contain spaces
1340 argv_to_string (char **argv
, int n
)
1345 gdb_assert (argv
!= NULL
);
1346 gdb_assert (n
>= 0 && n
<= countargv (argv
));
1348 for (i
= 0; i
< n
; ++i
)
1358 /* Subroutine of alias_command to simplify it.
1359 Return TRUE if COMMAND exists, unambiguously. Otherwise FALSE. */
1362 valid_command_p (const char *command
)
1364 struct cmd_list_element
*c
;
1366 c
= lookup_cmd_1 (& command
, cmdlist
, NULL
, 1);
1368 if (c
== NULL
|| c
== (struct cmd_list_element
*) -1)
1371 /* This is the slightly tricky part.
1372 lookup_cmd_1 will return a pointer to the last part of COMMAND
1373 to match, leaving COMMAND pointing at the remainder. */
1374 while (*command
== ' ' || *command
== '\t')
1376 return *command
== '\0';
1379 /* Called when "alias" was incorrectly used. */
1382 alias_usage_error (void)
1384 error (_("Usage: alias [-a] [--] ALIAS = COMMAND"));
1387 /* Make an alias of an existing command. */
1390 alias_command (const char *args
, int from_tty
)
1392 int i
, alias_argc
, command_argc
;
1393 int abbrev_flag
= 0;
1395 const char *alias
, *command
;
1397 if (args
== NULL
|| strchr (args
, '=') == NULL
)
1398 alias_usage_error ();
1400 equals
= strchr (args
, '=');
1401 std::string
args2 (args
, equals
- args
);
1403 gdb_argv
built_alias_argv (args2
.c_str ());
1404 gdb_argv
command_argv (equals
+ 1);
1406 char **alias_argv
= built_alias_argv
.get ();
1407 while (alias_argv
[0] != NULL
)
1409 if (strcmp (alias_argv
[0], "-a") == 0)
1414 else if (strcmp (alias_argv
[0], "--") == 0)
1423 if (alias_argv
[0] == NULL
|| command_argv
[0] == NULL
1424 || *alias_argv
[0] == '\0' || *command_argv
[0] == '\0')
1425 alias_usage_error ();
1427 for (i
= 0; alias_argv
[i
] != NULL
; ++i
)
1429 if (! valid_user_defined_cmd_name_p (alias_argv
[i
]))
1432 error (_("Invalid command name: %s"), alias_argv
[i
]);
1434 error (_("Invalid command element name: %s"), alias_argv
[i
]);
1438 alias_argc
= countargv (alias_argv
);
1439 command_argc
= command_argv
.count ();
1441 /* COMMAND must exist.
1442 Reconstruct the command to remove any extraneous spaces,
1443 for better error messages. */
1444 std::string
command_string (argv_to_string (command_argv
.get (),
1446 command
= command_string
.c_str ();
1447 if (! valid_command_p (command
))
1448 error (_("Invalid command to alias to: %s"), command
);
1450 /* ALIAS must not exist. */
1451 std::string
alias_string (argv_to_string (alias_argv
, alias_argc
));
1452 alias
= alias_string
.c_str ();
1453 if (valid_command_p (alias
))
1454 error (_("Alias already exists: %s"), alias
);
1456 /* If ALIAS is one word, it is an alias for the entire COMMAND.
1457 Example: alias spe = set print elements
1459 Otherwise ALIAS and COMMAND must have the same number of words,
1460 and every word except the last must match; and the last word of
1461 ALIAS is made an alias of the last word of COMMAND.
1462 Example: alias set print elms = set pr elem
1463 Note that unambiguous abbreviations are allowed. */
1465 if (alias_argc
== 1)
1467 /* add_cmd requires *we* allocate space for name, hence the xstrdup. */
1468 add_com_alias (xstrdup (alias_argv
[0]), command
, class_alias
,
1473 const char *alias_prefix
, *command_prefix
;
1474 struct cmd_list_element
*c_alias
, *c_command
;
1476 if (alias_argc
!= command_argc
)
1477 error (_("Mismatched command length between ALIAS and COMMAND."));
1479 /* Create copies of ALIAS and COMMAND without the last word,
1480 and use that to verify the leading elements match. */
1481 std::string
alias_prefix_string (argv_to_string (alias_argv
,
1483 std::string
command_prefix_string (argv_to_string (alias_argv
,
1485 alias_prefix
= alias_prefix_string
.c_str ();
1486 command_prefix
= command_prefix_string
.c_str ();
1488 c_command
= lookup_cmd_1 (& command_prefix
, cmdlist
, NULL
, 1);
1489 /* We've already tried to look up COMMAND. */
1490 gdb_assert (c_command
!= NULL
1491 && c_command
!= (struct cmd_list_element
*) -1);
1492 gdb_assert (c_command
->prefixlist
!= NULL
);
1493 c_alias
= lookup_cmd_1 (& alias_prefix
, cmdlist
, NULL
, 1);
1494 if (c_alias
!= c_command
)
1495 error (_("ALIAS and COMMAND prefixes do not match."));
1497 /* add_cmd requires *we* allocate space for name, hence the xstrdup. */
1498 add_alias_cmd (xstrdup (alias_argv
[alias_argc
- 1]),
1499 command_argv
[command_argc
- 1],
1500 class_alias
, abbrev_flag
, c_command
->prefixlist
);
1504 /* Print the file / line number / symbol name of the location
1505 specified by SAL. */
1508 print_sal_location (const symtab_and_line
&sal
)
1510 scoped_restore_current_program_space restore_pspace
;
1511 set_current_program_space (sal
.pspace
);
1513 const char *sym_name
= NULL
;
1514 if (sal
.symbol
!= NULL
)
1515 sym_name
= SYMBOL_PRINT_NAME (sal
.symbol
);
1516 printf_filtered (_("file: \"%s\", line number: %d, symbol: \"%s\"\n"),
1517 symtab_to_filename_for_display (sal
.symtab
),
1518 sal
.line
, sym_name
!= NULL
? sym_name
: "???");
1521 /* Print a list of files and line numbers which a user may choose from
1522 in order to list a function which was specified ambiguously (as
1523 with `list classname::overloadedfuncname', for example). The SALS
1524 array provides the filenames and line numbers. FORMAT is a
1525 printf-style format string used to tell the user what was
1529 ambiguous_line_spec (gdb::array_view
<const symtab_and_line
> sals
,
1530 const char *format
, ...)
1533 va_start (ap
, format
);
1534 vprintf_filtered (format
, ap
);
1537 for (const auto &sal
: sals
)
1538 print_sal_location (sal
);
1541 /* Comparison function for filter_sals. Returns a qsort-style
1545 cmp_symtabs (const symtab_and_line
&sala
, const symtab_and_line
&salb
)
1547 const char *dira
= SYMTAB_DIRNAME (sala
.symtab
);
1548 const char *dirb
= SYMTAB_DIRNAME (salb
.symtab
);
1556 else if (dirb
== NULL
)
1563 r
= filename_cmp (dira
, dirb
);
1568 r
= filename_cmp (sala
.symtab
->filename
, salb
.symtab
->filename
);
1572 if (sala
.line
< salb
.line
)
1574 return sala
.line
== salb
.line
? 0 : 1;
1577 /* Remove any SALs that do not match the current program space, or
1578 which appear to be "file:line" duplicates. */
1581 filter_sals (std::vector
<symtab_and_line
> &sals
)
1583 /* Remove SALs that do not match. */
1584 auto from
= std::remove_if (sals
.begin (), sals
.end (),
1585 [&] (const symtab_and_line
&sal
)
1586 { return (sal
.pspace
!= current_program_space
|| sal
.symtab
== NULL
); });
1589 std::sort (sals
.begin (), from
,
1590 [] (const symtab_and_line
&sala
, const symtab_and_line
&salb
)
1591 { return cmp_symtabs (sala
, salb
) < 0; });
1593 from
= std::unique (sals
.begin (), from
,
1594 [&] (const symtab_and_line
&sala
,
1595 const symtab_and_line
&salb
)
1596 { return cmp_symtabs (sala
, salb
) == 0; });
1598 sals
.erase (from
, sals
.end ());
1602 set_debug (const char *arg
, int from_tty
)
1604 printf_unfiltered (_("\"set debug\" must be followed by "
1605 "the name of a debug subcommand.\n"));
1606 help_list (setdebuglist
, "set debug ", all_commands
, gdb_stdout
);
1610 show_debug (const char *args
, int from_tty
)
1612 cmd_show_list (showdebuglist
, from_tty
, "");
1616 init_cmd_lists (void)
1618 max_user_call_depth
= 1024;
1622 show_info_verbose (struct ui_file
*file
, int from_tty
,
1623 struct cmd_list_element
*c
,
1627 fprintf_filtered (file
,
1628 _("Verbose printing of informational messages is %s.\n"),
1631 fprintf_filtered (file
, _("Verbosity is %s.\n"), value
);
1635 show_history_expansion_p (struct ui_file
*file
, int from_tty
,
1636 struct cmd_list_element
*c
, const char *value
)
1638 fprintf_filtered (file
, _("History expansion on command input is %s.\n"),
1643 show_remote_debug (struct ui_file
*file
, int from_tty
,
1644 struct cmd_list_element
*c
, const char *value
)
1646 fprintf_filtered (file
, _("Debugging of remote protocol is %s.\n"),
1651 show_remote_timeout (struct ui_file
*file
, int from_tty
,
1652 struct cmd_list_element
*c
, const char *value
)
1654 fprintf_filtered (file
,
1655 _("Timeout limit to wait for target to respond is %s.\n"),
1660 show_max_user_call_depth (struct ui_file
*file
, int from_tty
,
1661 struct cmd_list_element
*c
, const char *value
)
1663 fprintf_filtered (file
,
1664 _("The max call depth for user-defined commands is %s.\n"),
1669 _initialize_cli_cmds (void)
1671 struct cmd_list_element
*c
;
1673 /* Define the classes of commands.
1674 They will appear in the help list in alphabetical order. */
1676 add_cmd ("internals", class_maintenance
, _("\
1677 Maintenance commands.\n\
1678 Some gdb commands are provided just for use by gdb maintainers.\n\
1679 These commands are subject to frequent change, and may not be as\n\
1680 well documented as user commands."),
1682 add_cmd ("obscure", class_obscure
, _("Obscure features."), &cmdlist
);
1683 add_cmd ("aliases", class_alias
,
1684 _("Aliases of other commands."), &cmdlist
);
1685 add_cmd ("user-defined", class_user
, _("\
1686 User-defined commands.\n\
1687 The commands in this class are those defined by the user.\n\
1688 Use the \"define\" command to define a command."), &cmdlist
);
1689 add_cmd ("support", class_support
, _("Support facilities."), &cmdlist
);
1691 add_cmd ("status", class_info
, _("Status inquiries."), &cmdlist
);
1692 add_cmd ("files", class_files
, _("Specifying and examining files."),
1694 add_cmd ("breakpoints", class_breakpoint
,
1695 _("Making program stop at certain points."), &cmdlist
);
1696 add_cmd ("data", class_vars
, _("Examining data."), &cmdlist
);
1697 add_cmd ("stack", class_stack
, _("\
1698 Examining the stack.\n\
1699 The stack is made up of stack frames. Gdb assigns numbers to stack frames\n\
1700 counting from zero for the innermost (currently executing) frame.\n\n\
1701 At any time gdb identifies one frame as the \"selected\" frame.\n\
1702 Variable lookups are done with respect to the selected frame.\n\
1703 When the program being debugged stops, gdb selects the innermost frame.\n\
1704 The commands below can be used to select other frames by number or address."),
1706 add_cmd ("running", class_run
, _("Running the program."), &cmdlist
);
1708 /* Define general commands. */
1710 add_com ("pwd", class_files
, pwd_command
, _("\
1711 Print working directory. This is used for your program as well."));
1713 c
= add_cmd ("cd", class_files
, cd_command
, _("\
1714 Set working directory to DIR for debugger.\n\
1715 The debugger's current working directory specifies where scripts and other\n\
1716 files that can be loaded by GDB are located.\n\
1717 In order to change the inferior's current working directory, the recommended\n\
1718 way is to use the \"set cwd\" command."), &cmdlist
);
1719 set_cmd_completer (c
, filename_completer
);
1721 add_com ("echo", class_support
, echo_command
, _("\
1722 Print a constant string. Give string as argument.\n\
1723 C escape sequences may be used in the argument.\n\
1724 No newline is added at the end of the argument;\n\
1725 use \"\\n\" if you want a newline to be printed.\n\
1726 Since leading and trailing whitespace are ignored in command arguments,\n\
1727 if you want to print some you must use \"\\\" before leading whitespace\n\
1728 to be printed or after trailing whitespace."));
1730 add_setshow_enum_cmd ("script-extension", class_support
,
1731 script_ext_enums
, &script_ext_mode
, _("\
1732 Set mode for script filename extension recognition."), _("\
1733 Show mode for script filename extension recognition."), _("\
1734 off == no filename extension recognition (all sourced files are GDB scripts)\n\
1735 soft == evaluate script according to filename extension, fallback to GDB script"
1737 strict == evaluate script according to filename extension, error if not supported"
1740 show_script_ext_mode
,
1741 &setlist
, &showlist
);
1743 add_com ("quit", class_support
, quit_command
, _("\
1745 Usage: quit [EXPR]\n\
1746 The optional expression EXPR, if present, is evaluated and the result\n\
1747 used as GDB's exit code. The default is zero."));
1748 c
= add_com ("help", class_support
, help_command
,
1749 _("Print list of commands."));
1750 set_cmd_completer (c
, command_completer
);
1751 add_com_alias ("q", "quit", class_support
, 1);
1752 add_com_alias ("h", "help", class_support
, 1);
1754 add_setshow_boolean_cmd ("verbose", class_support
, &info_verbose
, _("\
1755 Set verbosity."), _("\
1756 Show verbosity."), NULL
,
1759 &setlist
, &showlist
);
1761 add_prefix_cmd ("history", class_support
, set_history
,
1762 _("Generic command for setting command history parameters."),
1763 &sethistlist
, "set history ", 0, &setlist
);
1764 add_prefix_cmd ("history", class_support
, show_history
,
1765 _("Generic command for showing command history parameters."),
1766 &showhistlist
, "show history ", 0, &showlist
);
1768 add_setshow_boolean_cmd ("expansion", no_class
, &history_expansion_p
, _("\
1769 Set history expansion on command input."), _("\
1770 Show history expansion on command input."), _("\
1771 Without an argument, history expansion is enabled."),
1773 show_history_expansion_p
,
1774 &sethistlist
, &showhistlist
);
1776 add_prefix_cmd ("info", class_info
, info_command
, _("\
1777 Generic command for showing things about the program being debugged."),
1778 &infolist
, "info ", 0, &cmdlist
);
1779 add_com_alias ("i", "info", class_info
, 1);
1780 add_com_alias ("inf", "info", class_info
, 1);
1782 add_com ("complete", class_obscure
, complete_command
,
1783 _("List the completions for the rest of the line as a command."));
1785 add_prefix_cmd ("show", class_info
, show_command
, _("\
1786 Generic command for showing things about the debugger."),
1787 &showlist
, "show ", 0, &cmdlist
);
1788 /* Another way to get at the same thing. */
1789 add_info ("set", show_command
, _("Show all GDB settings."));
1791 add_cmd ("commands", no_set_class
, show_commands
, _("\
1792 Show the history of commands you typed.\n\
1793 You can supply a command number to start with, or a `+' to start after\n\
1794 the previous command number shown."),
1797 add_cmd ("version", no_set_class
, show_version
,
1798 _("Show what version of GDB this is."), &showlist
);
1800 add_cmd ("configuration", no_set_class
, show_configuration
,
1801 _("Show how GDB was configured at build time."), &showlist
);
1803 add_setshow_zinteger_cmd ("remote", no_class
, &remote_debug
, _("\
1804 Set debugging of remote protocol."), _("\
1805 Show debugging of remote protocol."), _("\
1806 When enabled, each packet sent or received with the remote target\n\
1810 &setdebuglist
, &showdebuglist
);
1812 add_setshow_zuinteger_unlimited_cmd ("remotetimeout", no_class
,
1813 &remote_timeout
, _("\
1814 Set timeout limit to wait for target to respond."), _("\
1815 Show timeout limit to wait for target to respond."), _("\
1816 This value is used to set the time limit for gdb to wait for a response\n\
1819 show_remote_timeout
,
1820 &setlist
, &showlist
);
1822 add_prefix_cmd ("debug", no_class
, set_debug
,
1823 _("Generic command for setting gdb debugging flags"),
1824 &setdebuglist
, "set debug ", 0, &setlist
);
1826 add_prefix_cmd ("debug", no_class
, show_debug
,
1827 _("Generic command for showing gdb debugging flags"),
1828 &showdebuglist
, "show debug ", 0, &showlist
);
1830 c
= add_com ("shell", class_support
, shell_command
, _("\
1831 Execute the rest of the line as a shell command.\n\
1832 With no arguments, run an inferior shell."));
1833 set_cmd_completer (c
, filename_completer
);
1835 c
= add_com ("edit", class_files
, edit_command
, _("\
1836 Edit specified file or function.\n\
1837 With no argument, edits file containing most recent line listed.\n\
1838 Editing targets can be specified in these ways:\n\
1839 FILE:LINENUM, to edit at that line in that file,\n\
1840 FUNCTION, to edit at the beginning of that function,\n\
1841 FILE:FUNCTION, to distinguish among like-named static functions.\n\
1842 *ADDRESS, to edit at the line containing that address.\n\
1843 Uses EDITOR environment variable contents as editor (or ex as default)."));
1845 c
->completer
= location_completer
;
1847 add_com ("list", class_files
, list_command
, _("\
1848 List specified function or line.\n\
1849 With no argument, lists ten more lines after or around previous listing.\n\
1850 \"list -\" lists the ten lines before a previous ten-line listing.\n\
1851 One argument specifies a line, and ten lines are listed around that line.\n\
1852 Two arguments with comma between specify starting and ending lines to list.\n\
1853 Lines can be specified in these ways:\n\
1854 LINENUM, to list around that line in current file,\n\
1855 FILE:LINENUM, to list around that line in that file,\n\
1856 FUNCTION, to list around beginning of that function,\n\
1857 FILE:FUNCTION, to distinguish among like-named static functions.\n\
1858 *ADDRESS, to list around the line containing that address.\n\
1859 With two args, if one is empty, it stands for ten lines away from\n\
1862 By default, when a single location is given, display ten lines.\n\
1863 This can be changed using \"set listsize\", and the current value\n\
1864 can be shown using \"show listsize\"."));
1866 add_com_alias ("l", "list", class_files
, 1);
1869 add_com_alias ("file", "list", class_files
, 1);
1871 c
= add_com ("disassemble", class_vars
, disassemble_command
, _("\
1872 Disassemble a specified section of memory.\n\
1873 Default is the function surrounding the pc of the selected frame.\n\
1875 With a /m modifier, source lines are included (if available).\n\
1876 This view is \"source centric\": the output is in source line order,\n\
1877 regardless of any optimization that is present. Only the main source file\n\
1878 is displayed, not those of, e.g., any inlined functions.\n\
1879 This modifier hasn't proved useful in practice and is deprecated\n\
1882 With a /s modifier, source lines are included (if available).\n\
1883 This differs from /m in two important respects:\n\
1884 - the output is still in pc address order, and\n\
1885 - file names and contents for all relevant source files are displayed.\n\
1887 With a /r modifier, raw instructions in hex are included.\n\
1889 With a single argument, the function surrounding that address is dumped.\n\
1890 Two arguments (separated by a comma) are taken as a range of memory to dump,\n\
1891 in the form of \"start,end\", or \"start,+length\".\n\
1893 Note that the address is interpreted as an expression, not as a location\n\
1894 like in the \"break\" command.\n\
1895 So, for example, if you want to disassemble function bar in file foo.c\n\
1896 you must type \"disassemble 'foo.c'::bar\" and not \"disassemble foo.c:bar\"."));
1897 set_cmd_completer (c
, location_completer
);
1899 add_com_alias ("!", "shell", class_support
, 0);
1901 c
= add_com ("make", class_support
, make_command
, _("\
1902 Run the ``make'' program using the rest of the line as arguments."));
1903 set_cmd_completer (c
, filename_completer
);
1904 add_cmd ("user", no_class
, show_user
, _("\
1905 Show definitions of non-python/scheme user defined commands.\n\
1906 Argument is the name of the user defined command.\n\
1907 With no argument, show definitions of all user defined commands."), &showlist
);
1908 add_com ("apropos", class_support
, apropos_command
,
1909 _("Search for commands matching a REGEXP"));
1911 add_setshow_uinteger_cmd ("max-user-call-depth", no_class
,
1912 &max_user_call_depth
, _("\
1913 Set the max call depth for non-python/scheme user-defined commands."), _("\
1914 Show the max call depth for non-python/scheme user-defined commands."), NULL
,
1916 show_max_user_call_depth
,
1917 &setlist
, &showlist
);
1919 add_setshow_boolean_cmd ("trace-commands", no_class
, &trace_commands
, _("\
1920 Set tracing of GDB CLI commands."), _("\
1921 Show state of GDB CLI command tracing."), _("\
1922 When 'on', each command is displayed as it is executed."),
1925 &setlist
, &showlist
);
1927 c
= add_com ("alias", class_support
, alias_command
, _("\
1928 Define a new command that is an alias of an existing command.\n\
1929 Usage: alias [-a] [--] ALIAS = COMMAND\n\
1930 ALIAS is the name of the alias command to create.\n\
1931 COMMAND is the command being aliased to.\n\
1932 If \"-a\" is specified, the command is an abbreviation,\n\
1933 and will not appear in help command list output.\n\
1936 Make \"spe\" an alias of \"set print elements\":\n\
1937 alias spe = set print elements\n\
1938 Make \"elms\" an alias of \"elements\" in the \"set print\" command:\n\
1939 alias -a set print elms = set print elements"));
1943 init_cli_cmds (void)
1945 struct cmd_list_element
*c
;
1946 char *source_help_text
;
1948 source_help_text
= xstrprintf (_("\
1949 Read commands from a file named FILE.\n\
1951 Usage: source [-s] [-v] FILE\n\
1952 -s: search for the script in the source search path,\n\
1953 even if FILE contains directories.\n\
1954 -v: each command in FILE is echoed as it is executed.\n\
1956 Note that the file \"%s\" is read automatically in this way\n\
1957 when GDB is started."), gdbinit
);
1958 c
= add_cmd ("source", class_support
, source_command
,
1959 source_help_text
, &cmdlist
);
1960 set_cmd_completer (c
, filename_completer
);