3 Copyright (C) 2000-2017 Free Software Foundation, Inc.
5 This file is part of GDB.
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 3 of the License, or
10 (at your option) any later version.
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with this program. If not, see <http://www.gnu.org/licenses/>. */
21 #include "arch-utils.h"
22 #include "readline/readline.h"
23 #include "readline/tilde.h"
24 #include "completer.h"
25 #include "target.h" /* For baud_rate, remote_debug and remote_timeout. */
26 #include "gdb_wait.h" /* For shell escape implementation. */
27 #include "gdb_regex.h" /* Used by apropos_command. */
28 #include "gdb_vfork.h"
30 #include "expression.h"
34 #include "filenames.h" /* For DOSish file names. */
38 #include "tracepoint.h"
39 #include "filestuff.h"
45 #include "cli/cli-decode.h"
46 #include "cli/cli-script.h"
47 #include "cli/cli-setshow.h"
48 #include "cli/cli-cmds.h"
49 #include "cli/cli-utils.h"
51 #include "extension.h"
54 #include "tui/tui.h" /* For tui_active et.al. */
61 /* Prototypes for local command functions */
63 static void complete_command (char *, int);
65 static void echo_command (char *, int);
67 static void pwd_command (char *, int);
69 static void show_version (char *, int);
71 static void help_command (char *, int);
73 static void show_command (char *, int);
75 static void info_command (char *, int);
77 static void show_debug (char *, int);
79 static void set_debug (char *, int);
81 static void show_user (char *, int);
83 static void make_command (char *, int);
85 static void shell_escape (const char *, int);
87 static void edit_command (char *, int);
89 static void list_command (char *, int);
91 /* Prototypes for local utility functions */
93 static void ambiguous_line_spec (struct symtabs_and_lines
*);
95 static void filter_sals (struct symtabs_and_lines
*);
98 /* Limit the call depth of user-defined commands */
99 unsigned int max_user_call_depth
;
101 /* Define all cmd_list_elements. */
103 /* Chain containing all defined commands. */
105 struct cmd_list_element
*cmdlist
;
107 /* Chain containing all defined info subcommands. */
109 struct cmd_list_element
*infolist
;
111 /* Chain containing all defined enable subcommands. */
113 struct cmd_list_element
*enablelist
;
115 /* Chain containing all defined disable subcommands. */
117 struct cmd_list_element
*disablelist
;
119 /* Chain containing all defined stop subcommands. */
121 struct cmd_list_element
*stoplist
;
123 /* Chain containing all defined delete subcommands. */
125 struct cmd_list_element
*deletelist
;
127 /* Chain containing all defined detach subcommands. */
129 struct cmd_list_element
*detachlist
;
131 /* Chain containing all defined kill subcommands. */
133 struct cmd_list_element
*killlist
;
135 /* Chain containing all defined set subcommands */
137 struct cmd_list_element
*setlist
;
139 /* Chain containing all defined unset subcommands */
141 struct cmd_list_element
*unsetlist
;
143 /* Chain containing all defined show subcommands. */
145 struct cmd_list_element
*showlist
;
147 /* Chain containing all defined \"set history\". */
149 struct cmd_list_element
*sethistlist
;
151 /* Chain containing all defined \"show history\". */
153 struct cmd_list_element
*showhistlist
;
155 /* Chain containing all defined \"unset history\". */
157 struct cmd_list_element
*unsethistlist
;
159 /* Chain containing all defined maintenance subcommands. */
161 struct cmd_list_element
*maintenancelist
;
163 /* Chain containing all defined "maintenance info" subcommands. */
165 struct cmd_list_element
*maintenanceinfolist
;
167 /* Chain containing all defined "maintenance print" subcommands. */
169 struct cmd_list_element
*maintenanceprintlist
;
171 struct cmd_list_element
*setprintlist
;
173 struct cmd_list_element
*showprintlist
;
175 struct cmd_list_element
*setdebuglist
;
177 struct cmd_list_element
*showdebuglist
;
179 struct cmd_list_element
*setchecklist
;
181 struct cmd_list_element
*showchecklist
;
183 /* Command tracing state. */
185 int source_verbose
= 0;
186 int trace_commands
= 0;
188 /* 'script-extension' option support. */
190 static const char script_ext_off
[] = "off";
191 static const char script_ext_soft
[] = "soft";
192 static const char script_ext_strict
[] = "strict";
194 static const char *const script_ext_enums
[] = {
201 static const char *script_ext_mode
= script_ext_soft
;
203 /* Utility used everywhere when at least one argument is needed and
207 error_no_arg (const char *why
)
209 error (_("Argument required (%s)."), why
);
212 /* The "info" command is defined as a prefix, with allow_unknown = 0.
213 Therefore, its own definition is called only for "info" with no
217 info_command (char *arg
, int from_tty
)
219 printf_unfiltered (_("\"info\" must be followed by "
220 "the name of an info command.\n"));
221 help_list (infolist
, "info ", all_commands
, gdb_stdout
);
224 /* The "show" command with no arguments shows all the settings. */
227 show_command (char *arg
, int from_tty
)
229 cmd_show_list (showlist
, from_tty
, "");
232 /* Provide documentation on command or list given by COMMAND. FROM_TTY
236 help_command (char *command
, int from_tty
)
238 help_cmd (command
, gdb_stdout
);
241 /* Note: The "complete" command is used by Emacs to implement completion.
242 [Is that why this function writes output with *_unfiltered?] */
245 complete_command (char *arg
, int from_tty
)
248 char *point
, *arg_prefix
;
249 VEC (char_ptr
) *completions
;
253 if (max_completions
== 0)
255 /* Only print this for non-mi frontends. An MI frontend may not
256 be able to handle this. */
257 if (!current_uiout
->is_mi_like_p ())
259 printf_unfiltered (_("max-completions is zero,"
260 " completion is disabled.\n"));
267 argpoint
= strlen (arg
);
269 /* complete_line assumes that its first argument is somewhere
270 within, and except for filenames at the beginning of, the word to
271 be completed. The following crude imitation of readline's
272 word-breaking tries to accomodate this. */
273 point
= arg
+ argpoint
;
276 if (strchr (rl_completer_word_break_characters
, point
[-1]) != 0)
281 arg_prefix
= (char *) alloca (point
- arg
+ 1);
282 memcpy (arg_prefix
, arg
, point
- arg
);
283 arg_prefix
[point
- arg
] = 0;
285 completions
= complete_line (point
, arg
, argpoint
);
289 int ix
, size
= VEC_length (char_ptr
, completions
);
290 char *item
, *prev
= NULL
;
292 qsort (VEC_address (char_ptr
, completions
), size
,
293 sizeof (char *), compare_strings
);
295 /* We do extra processing here since we only want to print each
297 for (ix
= 0; VEC_iterate (char_ptr
, completions
, ix
, item
); ++ix
)
299 if (prev
== NULL
|| strcmp (item
, prev
) != 0)
301 printf_unfiltered ("%s%s\n", arg_prefix
, item
);
310 VEC_free (char_ptr
, completions
);
312 if (size
== max_completions
)
314 /* ARG_PREFIX and POINT are included in the output so that emacs
315 will include the message in the output. */
316 printf_unfiltered (_("%s%s %s\n"),
318 get_max_completions_reached_message ());
324 is_complete_command (struct cmd_list_element
*c
)
326 return cmd_cfunc_eq (c
, complete_command
);
330 show_version (char *args
, int from_tty
)
332 print_gdb_version (gdb_stdout
);
333 printf_filtered ("\n");
337 show_configuration (char *args
, int from_tty
)
339 print_gdb_configuration (gdb_stdout
);
342 /* Handle the quit command. */
345 quit_command (char *args
, int from_tty
)
349 /* An optional expression may be used to cause gdb to terminate with
350 the value of that expression. */
353 struct value
*val
= parse_and_eval (args
);
355 exit_code
= (int) value_as_long (val
);
358 if (!quit_confirm ())
359 error (_("Not confirmed."));
361 query_if_trace_running (from_tty
);
363 quit_force (args
? &exit_code
: NULL
, from_tty
);
367 pwd_command (char *args
, int from_tty
)
370 error (_("The \"pwd\" command does not take an argument: %s"), args
);
371 if (! getcwd (gdb_dirbuf
, sizeof (gdb_dirbuf
)))
372 error (_("Error finding name of working directory: %s"),
373 safe_strerror (errno
));
375 if (strcmp (gdb_dirbuf
, current_directory
) != 0)
376 printf_unfiltered (_("Working directory %s\n (canonically %s).\n"),
377 current_directory
, gdb_dirbuf
);
379 printf_unfiltered (_("Working directory %s.\n"), current_directory
);
383 cd_command (char *dir
, int from_tty
)
386 /* Found something other than leading repetitions of "/..". */
389 struct cleanup
*cleanup
;
391 /* If the new directory is absolute, repeat is a no-op; if relative,
392 repeat might be useful but is more likely to be a mistake. */
398 dir
= tilde_expand (dir
);
399 cleanup
= make_cleanup (xfree
, dir
);
402 perror_with_name (dir
);
404 #ifdef HAVE_DOS_BASED_FILE_SYSTEM
405 /* There's too much mess with DOSish names like "d:", "d:.",
406 "d:./foo" etc. Instead of having lots of special #ifdef'ed code,
407 simply get the canonicalized name of the current directory. */
408 dir
= getcwd (gdb_dirbuf
, sizeof (gdb_dirbuf
));
412 if (IS_DIR_SEPARATOR (dir
[len
- 1]))
414 /* Remove the trailing slash unless this is a root directory
415 (including a drive letter on non-Unix systems). */
416 if (!(len
== 1) /* "/" */
417 #ifdef HAVE_DOS_BASED_FILE_SYSTEM
418 && !(len
== 3 && dir
[1] == ':') /* "d:/" */
424 dir
= savestring (dir
, len
);
425 if (IS_ABSOLUTE_PATH (dir
))
426 current_directory
= dir
;
429 if (IS_DIR_SEPARATOR (current_directory
[strlen (current_directory
) - 1]))
430 current_directory
= concat (current_directory
, dir
, (char *)NULL
);
432 current_directory
= concat (current_directory
, SLASH_STRING
,
437 /* Now simplify any occurrences of `.' and `..' in the pathname. */
440 for (p
= current_directory
; *p
;)
442 if (IS_DIR_SEPARATOR (p
[0]) && p
[1] == '.'
443 && (p
[2] == 0 || IS_DIR_SEPARATOR (p
[2])))
444 memmove (p
, p
+ 2, strlen (p
+ 2) + 1);
445 else if (IS_DIR_SEPARATOR (p
[0]) && p
[1] == '.' && p
[2] == '.'
446 && (p
[3] == 0 || IS_DIR_SEPARATOR (p
[3])))
450 /* Search backwards for the directory just before the "/.."
451 and obliterate it and the "/..". */
454 while (q
!= current_directory
&& !IS_DIR_SEPARATOR (q
[-1]))
457 if (q
== current_directory
)
458 /* current_directory is
459 a relative pathname ("can't happen"--leave it alone). */
463 memmove (q
- 1, p
+ 3, strlen (p
+ 3) + 1);
468 /* We are dealing with leading repetitions of "/..", for
469 example "/../..", which is the Mach super-root. */
479 forget_cached_source_info ();
482 pwd_command ((char *) 0, 1);
484 do_cleanups (cleanup
);
487 /* Show the current value of the 'script-extension' option. */
490 show_script_ext_mode (struct ui_file
*file
, int from_tty
,
491 struct cmd_list_element
*c
, const char *value
)
493 fprintf_filtered (file
,
494 _("Script filename extension recognition is \"%s\".\n"),
498 /* Try to open SCRIPT_FILE.
499 If successful, the full path name is stored in *FULL_PATHP,
500 the stream is stored in *STREAMP, and return 1.
501 The caller is responsible for freeing *FULL_PATHP.
502 If not successful, return 0; errno is set for the last file
505 If SEARCH_PATH is non-zero, and the file isn't found in cwd,
506 search for it in the source search path. */
509 find_and_open_script (const char *script_file
, int search_path
,
510 FILE **streamp
, char **full_pathp
)
514 struct cleanup
*old_cleanups
;
515 int search_flags
= OPF_TRY_CWD_FIRST
| OPF_RETURN_REALPATH
;
517 file
= tilde_expand (script_file
);
518 old_cleanups
= make_cleanup (xfree
, file
);
521 search_flags
|= OPF_SEARCH_IN_PATH
;
523 /* Search for and open 'file' on the search path used for source
524 files. Put the full location in *FULL_PATHP. */
525 fd
= openp (source_path
, search_flags
,
526 file
, O_RDONLY
, full_pathp
);
530 int save_errno
= errno
;
531 do_cleanups (old_cleanups
);
536 do_cleanups (old_cleanups
);
538 *streamp
= fdopen (fd
, FOPEN_RT
);
539 if (*streamp
== NULL
)
541 int save_errno
= errno
;
553 /* Load script FILE, which has already been opened as STREAM.
554 FILE_TO_OPEN is the form of FILE to use if one needs to open the file.
555 This is provided as FILE may have been found via the source search path.
556 An important thing to note here is that FILE may be a symlink to a file
557 with a different or non-existing suffix, and thus one cannot infer the
558 extension language from FILE_TO_OPEN. */
561 source_script_from_stream (FILE *stream
, const char *file
,
562 const char *file_to_open
)
564 if (script_ext_mode
!= script_ext_off
)
566 const struct extension_language_defn
*extlang
567 = get_ext_lang_of_file (file
);
571 if (ext_lang_present_p (extlang
))
573 script_sourcer_func
*sourcer
574 = ext_lang_script_sourcer (extlang
);
576 gdb_assert (sourcer
!= NULL
);
577 sourcer (extlang
, stream
, file_to_open
);
580 else if (script_ext_mode
== script_ext_soft
)
582 /* Assume the file is a gdb script.
583 This is handled below. */
586 throw_ext_lang_unsupported (extlang
);
590 script_from_file (stream
, file
);
593 /* Worker to perform the "source" command.
595 If SEARCH_PATH is non-zero, and the file isn't found in cwd,
596 search for it in the source search path. */
599 source_script_with_search (const char *file
, int from_tty
, int search_path
)
603 struct cleanup
*old_cleanups
;
605 if (file
== NULL
|| *file
== 0)
606 error (_("source command requires file name of file to source."));
608 if (!find_and_open_script (file
, search_path
, &stream
, &full_path
))
610 /* The script wasn't found, or was otherwise inaccessible.
611 If the source command was invoked interactively, throw an
612 error. Otherwise (e.g. if it was invoked by a script),
613 just emit a warning, rather than cause an error. */
615 perror_with_name (file
);
618 perror_warning_with_name (file
);
623 old_cleanups
= make_cleanup (xfree
, full_path
);
624 make_cleanup_fclose (stream
);
625 /* The python support reopens the file, so we need to pass full_path here
626 in case the file was found on the search path. It's useful to do this
627 anyway so that error messages show the actual file used. But only do
628 this if we (may have) used search_path, as printing the full path in
629 errors for the non-search case can be more noise than signal. */
630 source_script_from_stream (stream
, file
, search_path
? full_path
: file
);
631 do_cleanups (old_cleanups
);
634 /* Wrapper around source_script_with_search to export it to main.c
635 for use in loading .gdbinit scripts. */
638 source_script (const char *file
, int from_tty
)
640 source_script_with_search (file
, from_tty
, 0);
643 /* Return the source_verbose global variable to its previous state
644 on exit from the source command, by whatever means. */
646 source_verbose_cleanup (void *old_value
)
648 source_verbose
= *(int *)old_value
;
653 source_command (char *args
, int from_tty
)
655 struct cleanup
*old_cleanups
;
657 int *old_source_verbose
= XNEW (int);
660 *old_source_verbose
= source_verbose
;
661 old_cleanups
= make_cleanup (source_verbose_cleanup
,
664 /* -v causes the source command to run in verbose mode.
665 -s causes the file to be searched in the source search path,
666 even if the file name contains a '/'.
667 We still have to be able to handle filenames with spaces in a
668 backward compatible way, so buildargv is not appropriate. */
672 while (args
[0] != '\0')
674 /* Make sure leading white space does not break the
676 args
= skip_spaces (args
);
681 if (args
[1] == 'v' && isspace (args
[2]))
685 /* Skip passed -v. */
688 else if (args
[1] == 's' && isspace (args
[2]))
692 /* Skip passed -s. */
699 file
= skip_spaces (args
);
702 source_script_with_search (file
, from_tty
, search_path
);
704 do_cleanups (old_cleanups
);
709 echo_command (char *text
, int from_tty
)
711 const char *p
= text
;
715 while ((c
= *p
++) != '\0')
719 /* \ at end of argument is used after spaces
720 so they won't be lost. */
724 c
= parse_escape (get_current_arch (), &p
);
726 printf_filtered ("%c", c
);
729 printf_filtered ("%c", c
);
732 /* Force this output to appear now. */
734 gdb_flush (gdb_stdout
);
738 shell_escape (const char *arg
, int from_tty
)
740 #if defined(CANT_FORK) || \
741 (!defined(HAVE_WORKING_VFORK) && !defined(HAVE_WORKING_FORK))
742 /* If ARG is NULL, they want an inferior shell, but `system' just
743 reports if the shell is available when passed a NULL arg. */
744 int rc
= system (arg
? arg
: "");
747 arg
= "inferior shell";
751 fprintf_unfiltered (gdb_stderr
, "Cannot execute %s: %s\n", arg
,
752 safe_strerror (errno
));
753 gdb_flush (gdb_stderr
);
757 fprintf_unfiltered (gdb_stderr
, "%s exited with status %d\n", arg
, rc
);
758 gdb_flush (gdb_stderr
);
761 /* Make sure to return to the directory GDB thinks it is, in case
762 the shell command we just ran changed it. */
763 chdir (current_directory
);
765 #else /* Can fork. */
768 if ((pid
= vfork ()) == 0)
770 const char *p
, *user_shell
;
774 if ((user_shell
= (char *) getenv ("SHELL")) == NULL
)
775 user_shell
= "/bin/sh";
777 /* Get the name of the shell for arg0. */
778 p
= lbasename (user_shell
);
781 execl (user_shell
, p
, (char *) 0);
783 execl (user_shell
, p
, "-c", arg
, (char *) 0);
785 fprintf_unfiltered (gdb_stderr
, "Cannot execute %s: %s\n", user_shell
,
786 safe_strerror (errno
));
787 gdb_flush (gdb_stderr
);
792 waitpid (pid
, &status
, 0);
794 error (_("Fork failed"));
795 #endif /* Can fork. */
798 /* Implementation of the "shell" command. */
801 shell_command (char *arg
, int from_tty
)
803 shell_escape (arg
, from_tty
);
807 edit_command (char *arg
, int from_tty
)
809 struct symtabs_and_lines sals
;
810 struct symtab_and_line sal
;
816 /* Pull in the current default source line if necessary. */
819 set_default_source_symtab_and_line ();
820 sal
= get_current_source_symtab_and_line ();
823 /* Bare "edit" edits file with present line. */
828 error (_("No default source file yet."));
829 sal
.line
+= get_lines_to_list () / 2;
833 struct cleanup
*cleanup
;
834 struct event_location
*location
;
837 /* Now should only be one argument -- decode it in SAL. */
839 location
= string_to_event_location (&arg1
, current_language
);
840 cleanup
= make_cleanup_delete_event_location (location
);
841 sals
= decode_line_1 (location
, DECODE_LINE_LIST_MODE
, NULL
, NULL
, 0);
847 do_cleanups (cleanup
);
852 ambiguous_line_spec (&sals
);
854 do_cleanups (cleanup
);
862 error (_("Junk at end of line specification."));
864 /* If line was specified by address, first print exactly which
865 line, and which file. In this case, sal.symtab == 0 means
866 address is outside of all known source files, not that user
867 failed to give a filename. */
870 struct gdbarch
*gdbarch
;
873 error (_("No source file for address %s."),
874 paddress (get_current_arch (), sal
.pc
));
876 gdbarch
= get_objfile_arch (SYMTAB_OBJFILE (sal
.symtab
));
877 sym
= find_pc_function (sal
.pc
);
879 printf_filtered ("%s is in %s (%s:%d).\n",
880 paddress (gdbarch
, sal
.pc
),
881 SYMBOL_PRINT_NAME (sym
),
882 symtab_to_filename_for_display (sal
.symtab
),
885 printf_filtered ("%s is at %s:%d.\n",
886 paddress (gdbarch
, sal
.pc
),
887 symtab_to_filename_for_display (sal
.symtab
),
891 /* If what was given does not imply a symtab, it must be an
892 undebuggable symbol which means no source code. */
895 error (_("No line number known for %s."), arg
);
896 do_cleanups (cleanup
);
899 if ((editor
= (char *) getenv ("EDITOR")) == NULL
)
902 fn
= symtab_to_fullname (sal
.symtab
);
904 /* Quote the file name, in case it has whitespace or other special
906 p
= xstrprintf ("%s +%d \"%s\"", editor
, sal
.line
, fn
);
907 shell_escape (p
, from_tty
);
912 list_command (char *arg
, int from_tty
)
914 struct symtabs_and_lines sals
, sals_end
;
915 struct symtab_and_line sal
= { 0 };
916 struct symtab_and_line sal_end
= { 0 };
917 struct symtab_and_line cursal
= { 0 };
925 struct cleanup
*cleanup
;
927 cleanup
= make_cleanup (null_cleanup
, NULL
);
929 /* Pull in the current default source line if necessary. */
930 if (arg
== NULL
|| ((arg
[0] == '+' || arg
[0] == '-') && arg
[1] == '\0'))
932 set_default_source_symtab_and_line ();
933 cursal
= get_current_source_symtab_and_line ();
935 /* If this is the first "list" since we've set the current
936 source line, center the listing around that line. */
937 if (get_first_line_listed () == 0)
941 first
= std::max (cursal
.line
- get_lines_to_list () / 2, 1);
943 /* A small special case --- if listing backwards, and we
944 should list only one line, list the preceding line,
945 instead of the exact line we've just shown after e.g.,
946 stopping for a breakpoint. */
947 if (arg
!= NULL
&& arg
[0] == '-'
948 && get_lines_to_list () == 1 && first
> 1)
951 print_source_lines (cursal
.symtab
, first
,
952 first
+ get_lines_to_list (), 0);
955 /* "l" or "l +" lists next ten lines. */
956 else if (arg
== NULL
|| arg
[0] == '+')
957 print_source_lines (cursal
.symtab
, cursal
.line
,
958 cursal
.line
+ get_lines_to_list (), 0);
960 /* "l -" lists previous ten lines, the ones before the ten just
962 else if (arg
[0] == '-')
964 if (get_first_line_listed () == 1)
965 error (_("Already at the start of %s."),
966 symtab_to_filename_for_display (cursal
.symtab
));
967 print_source_lines (cursal
.symtab
,
968 std::max (get_first_line_listed ()
969 - get_lines_to_list (), 1),
970 get_first_line_listed (), 0);
976 /* Now if there is only one argument, decode it in SAL
978 If there are two arguments, decode them in SAL and SAL_END
979 and clear NO_END; however, if one of the arguments is blank,
980 set DUMMY_BEG or DUMMY_END to record that fact. */
982 if (!have_full_symbols () && !have_partial_symbols ())
983 error (_("No symbol table is loaded. Use the \"file\" command."));
990 struct event_location
*location
;
992 location
= string_to_event_location (&arg1
, current_language
);
993 make_cleanup_delete_event_location (location
);
994 sals
= decode_line_1 (location
, DECODE_LINE_LIST_MODE
, NULL
, NULL
, 0);
1000 do_cleanups (cleanup
);
1005 ambiguous_line_spec (&sals
);
1007 do_cleanups (cleanup
);
1015 /* Record whether the BEG arg is all digits. */
1017 for (p
= arg
; p
!= arg1
&& *p
>= '0' && *p
<= '9'; p
++);
1018 linenum_beg
= (p
== arg1
);
1020 while (*arg1
== ' ' || *arg1
== '\t')
1026 while (*arg1
== ' ' || *arg1
== '\t')
1032 struct event_location
*location
;
1034 location
= string_to_event_location (&arg1
, current_language
);
1035 make_cleanup_delete_event_location (location
);
1037 sals_end
= decode_line_1 (location
,
1038 DECODE_LINE_LIST_MODE
, NULL
, NULL
, 0);
1040 sals_end
= decode_line_1 (location
, DECODE_LINE_LIST_MODE
,
1041 NULL
, sal
.symtab
, sal
.line
);
1043 filter_sals (&sals_end
);
1044 if (sals_end
.nelts
== 0)
1046 do_cleanups (cleanup
);
1049 if (sals_end
.nelts
> 1)
1051 ambiguous_line_spec (&sals_end
);
1052 xfree (sals_end
.sals
);
1053 do_cleanups (cleanup
);
1056 sal_end
= sals_end
.sals
[0];
1057 xfree (sals_end
.sals
);
1062 error (_("Junk at end of line specification."));
1064 if (!no_end
&& !dummy_beg
&& !dummy_end
1065 && sal
.symtab
!= sal_end
.symtab
)
1066 error (_("Specified start and end are in different files."));
1067 if (dummy_beg
&& dummy_end
)
1068 error (_("Two empty args do not say what lines to list."));
1070 /* If line was specified by address,
1071 first print exactly which line, and which file.
1073 In this case, sal.symtab == 0 means address is outside of all
1074 known source files, not that user failed to give a filename. */
1077 struct gdbarch
*gdbarch
;
1079 if (sal
.symtab
== 0)
1080 error (_("No source file for address %s."),
1081 paddress (get_current_arch (), sal
.pc
));
1083 gdbarch
= get_objfile_arch (SYMTAB_OBJFILE (sal
.symtab
));
1084 sym
= find_pc_function (sal
.pc
);
1086 printf_filtered ("%s is in %s (%s:%d).\n",
1087 paddress (gdbarch
, sal
.pc
),
1088 SYMBOL_PRINT_NAME (sym
),
1089 symtab_to_filename_for_display (sal
.symtab
), sal
.line
);
1091 printf_filtered ("%s is at %s:%d.\n",
1092 paddress (gdbarch
, sal
.pc
),
1093 symtab_to_filename_for_display (sal
.symtab
), sal
.line
);
1096 /* If line was not specified by just a line number, and it does not
1097 imply a symtab, it must be an undebuggable symbol which means no
1100 if (!linenum_beg
&& sal
.symtab
== 0)
1101 error (_("No line number known for %s."), arg
);
1103 /* If this command is repeated with RET,
1104 turn it into the no-arg variant. */
1109 if (dummy_beg
&& sal_end
.symtab
== 0)
1110 error (_("No default source file yet. Do \"help list\"."));
1112 print_source_lines (sal_end
.symtab
,
1113 std::max (sal_end
.line
- (get_lines_to_list () - 1), 1),
1114 sal_end
.line
+ 1, 0);
1115 else if (sal
.symtab
== 0)
1116 error (_("No default source file yet. Do \"help list\"."));
1119 int first_line
= sal
.line
- get_lines_to_list () / 2;
1121 if (first_line
< 1) first_line
= 1;
1123 print_source_lines (sal
.symtab
,
1125 first_line
+ get_lines_to_list (),
1129 print_source_lines (sal
.symtab
, sal
.line
,
1131 ? sal
.line
+ get_lines_to_list ()
1132 : sal_end
.line
+ 1),
1134 do_cleanups (cleanup
);
1137 /* Subroutine of disassemble_command to simplify it.
1138 Perform the disassembly.
1139 NAME is the name of the function if known, or NULL.
1140 [LOW,HIGH) are the range of addresses to disassemble.
1141 MIXED is non-zero to print source with the assembler. */
1144 print_disassembly (struct gdbarch
*gdbarch
, const char *name
,
1145 CORE_ADDR low
, CORE_ADDR high
, int flags
)
1148 if (!tui_is_window_visible (DISASSEM_WIN
))
1151 printf_filtered ("Dump of assembler code ");
1153 printf_filtered ("for function %s:\n", name
);
1155 printf_filtered ("from %s to %s:\n",
1156 paddress (gdbarch
, low
), paddress (gdbarch
, high
));
1158 /* Dump the specified range. */
1159 gdb_disassembly (gdbarch
, current_uiout
, flags
, -1, low
, high
);
1161 printf_filtered ("End of assembler dump.\n");
1162 gdb_flush (gdb_stdout
);
1167 tui_show_assembly (gdbarch
, low
);
1172 /* Subroutine of disassemble_command to simplify it.
1173 Print a disassembly of the current function according to FLAGS. */
1176 disassemble_current_function (int flags
)
1178 struct frame_info
*frame
;
1179 struct gdbarch
*gdbarch
;
1180 CORE_ADDR low
, high
, pc
;
1183 frame
= get_selected_frame (_("No frame selected."));
1184 gdbarch
= get_frame_arch (frame
);
1185 pc
= get_frame_address_in_block (frame
);
1186 if (find_pc_partial_function (pc
, &name
, &low
, &high
) == 0)
1187 error (_("No function contains program counter for selected frame."));
1189 /* NOTE: cagney/2003-02-13 The `tui_active' was previously
1192 /* FIXME: cagney/2004-02-07: This should be an observer. */
1193 low
= tui_get_low_disassembly_address (gdbarch
, low
, pc
);
1195 low
+= gdbarch_deprecated_function_start_offset (gdbarch
);
1197 print_disassembly (gdbarch
, name
, low
, high
, flags
);
1200 /* Dump a specified section of assembly code.
1204 - dump the assembly code for the function of the current pc
1205 disassemble [/mrs] addr
1206 - dump the assembly code for the function at ADDR
1207 disassemble [/mrs] low,high
1208 disassemble [/mrs] low,+length
1209 - dump the assembly code in the range [LOW,HIGH), or [LOW,LOW+length)
1211 A /m modifier will include source code with the assembly in a
1212 "source centric" view. This view lists only the file of the first insn,
1213 even if other source files are involved (e.g., inlined functions), and
1214 the output is in source order, even with optimized code. This view is
1215 considered deprecated as it hasn't been useful in practice.
1217 A /r modifier will include raw instructions in hex with the assembly.
1219 A /s modifier will include source code with the assembly, like /m, with
1220 two important differences:
1221 1) The output is still in pc address order.
1222 2) File names and contents for all relevant source files are displayed. */
1225 disassemble_command (char *arg
, int from_tty
)
1227 struct gdbarch
*gdbarch
= get_current_arch ();
1228 CORE_ADDR low
, high
;
1243 error (_("Missing modifier."));
1245 while (*p
&& ! isspace (*p
))
1250 flags
|= DISASSEMBLY_SOURCE_DEPRECATED
;
1253 flags
|= DISASSEMBLY_RAW_INSN
;
1256 flags
|= DISASSEMBLY_SOURCE
;
1259 error (_("Invalid disassembly modifier."));
1263 p
= skip_spaces_const (p
);
1266 if ((flags
& (DISASSEMBLY_SOURCE_DEPRECATED
| DISASSEMBLY_SOURCE
))
1267 == (DISASSEMBLY_SOURCE_DEPRECATED
| DISASSEMBLY_SOURCE
))
1268 error (_("Cannot specify both /m and /s."));
1272 flags
|= DISASSEMBLY_OMIT_FNAME
;
1273 disassemble_current_function (flags
);
1277 pc
= value_as_address (parse_to_comma_and_eval (&p
));
1283 if (find_pc_partial_function (pc
, &name
, &low
, &high
) == 0)
1284 error (_("No function contains specified address."));
1286 /* NOTE: cagney/2003-02-13 The `tui_active' was previously
1289 /* FIXME: cagney/2004-02-07: This should be an observer. */
1290 low
= tui_get_low_disassembly_address (gdbarch
, low
, pc
);
1292 low
+= gdbarch_deprecated_function_start_offset (gdbarch
);
1293 flags
|= DISASSEMBLY_OMIT_FNAME
;
1297 /* Two arguments. */
1300 p
= skip_spaces_const (p
);
1306 high
= parse_and_eval_address (p
);
1311 print_disassembly (gdbarch
, name
, low
, high
, flags
);
1315 make_command (char *arg
, int from_tty
)
1318 shell_escape ("make", from_tty
);
1321 std::string cmd
= std::string ("make ") + arg
;
1323 shell_escape (cmd
.c_str (), from_tty
);
1328 show_user (char *args
, int from_tty
)
1330 struct cmd_list_element
*c
;
1331 extern struct cmd_list_element
*cmdlist
;
1335 const char *comname
= args
;
1337 c
= lookup_cmd (&comname
, cmdlist
, "", 0, 1);
1338 if (!cli_user_command_p (c
))
1339 error (_("Not a user command."));
1340 show_user_1 (c
, "", args
, gdb_stdout
);
1344 for (c
= cmdlist
; c
; c
= c
->next
)
1346 if (cli_user_command_p (c
) || c
->prefixlist
!= NULL
)
1347 show_user_1 (c
, "", c
->name
, gdb_stdout
);
1352 /* Search through names of commands and documentations for a certain
1353 regular expression. */
1356 apropos_command (char *searchstr
, int from_tty
)
1361 if (searchstr
== NULL
)
1362 error (_("REGEXP string is empty"));
1364 code
= regcomp (&pattern
, searchstr
, REG_ICASE
);
1367 struct cleanup
*cleanups
;
1369 cleanups
= make_regfree_cleanup (&pattern
);
1370 apropos_cmd (gdb_stdout
, cmdlist
, &pattern
, "");
1371 do_cleanups (cleanups
);
1375 char *err
= get_regcomp_error (code
, &pattern
);
1377 make_cleanup (xfree
, err
);
1378 error (_("Error in regular expression: %s"), err
);
1382 /* Subroutine of alias_command to simplify it.
1383 Return the first N elements of ARGV flattened back to a string
1384 with a space separating each element.
1385 ARGV may not be NULL.
1386 This does not take care of quoting elements in case they contain spaces
1390 argv_to_string (char **argv
, int n
)
1395 gdb_assert (argv
!= NULL
);
1396 gdb_assert (n
>= 0 && n
<= countargv (argv
));
1398 for (i
= 0; i
< n
; ++i
)
1408 /* Subroutine of alias_command to simplify it.
1409 Return TRUE if COMMAND exists, unambiguously. Otherwise FALSE. */
1412 valid_command_p (const char *command
)
1414 struct cmd_list_element
*c
;
1416 c
= lookup_cmd_1 (& command
, cmdlist
, NULL
, 1);
1418 if (c
== NULL
|| c
== (struct cmd_list_element
*) -1)
1421 /* This is the slightly tricky part.
1422 lookup_cmd_1 will return a pointer to the last part of COMMAND
1423 to match, leaving COMMAND pointing at the remainder. */
1424 while (*command
== ' ' || *command
== '\t')
1426 return *command
== '\0';
1429 /* Called when "alias" was incorrectly used. */
1432 alias_usage_error (void)
1434 error (_("Usage: alias [-a] [--] ALIAS = COMMAND"));
1437 /* Make an alias of an existing command. */
1440 alias_command (char *args
, int from_tty
)
1442 int i
, alias_argc
, command_argc
;
1443 int abbrev_flag
= 0;
1444 char *args2
, *equals
;
1445 const char *alias
, *command
;
1446 char **alias_argv
, **command_argv
;
1447 struct cleanup
*cleanup
;
1449 if (args
== NULL
|| strchr (args
, '=') == NULL
)
1450 alias_usage_error ();
1452 args2
= xstrdup (args
);
1453 cleanup
= make_cleanup (xfree
, args2
);
1454 equals
= strchr (args2
, '=');
1456 alias_argv
= gdb_buildargv (args2
);
1457 make_cleanup_freeargv (alias_argv
);
1458 command_argv
= gdb_buildargv (equals
+ 1);
1459 make_cleanup_freeargv (command_argv
);
1461 for (i
= 0; alias_argv
[i
] != NULL
; )
1463 if (strcmp (alias_argv
[i
], "-a") == 0)
1468 else if (strcmp (alias_argv
[i
], "--") == 0)
1477 if (alias_argv
[0] == NULL
|| command_argv
[0] == NULL
1478 || *alias_argv
[0] == '\0' || *command_argv
[0] == '\0')
1479 alias_usage_error ();
1481 for (i
= 0; alias_argv
[i
] != NULL
; ++i
)
1483 if (! valid_user_defined_cmd_name_p (alias_argv
[i
]))
1486 error (_("Invalid command name: %s"), alias_argv
[i
]);
1488 error (_("Invalid command element name: %s"), alias_argv
[i
]);
1492 alias_argc
= countargv (alias_argv
);
1493 command_argc
= countargv (command_argv
);
1495 /* COMMAND must exist.
1496 Reconstruct the command to remove any extraneous spaces,
1497 for better error messages. */
1498 std::string
command_string (argv_to_string (command_argv
, command_argc
));
1499 command
= command_string
.c_str ();
1500 if (! valid_command_p (command
))
1501 error (_("Invalid command to alias to: %s"), command
);
1503 /* ALIAS must not exist. */
1504 std::string
alias_string (argv_to_string (alias_argv
, alias_argc
));
1505 alias
= alias_string
.c_str ();
1506 if (valid_command_p (alias
))
1507 error (_("Alias already exists: %s"), alias
);
1509 /* If ALIAS is one word, it is an alias for the entire COMMAND.
1510 Example: alias spe = set print elements
1512 Otherwise ALIAS and COMMAND must have the same number of words,
1513 and every word except the last must match; and the last word of
1514 ALIAS is made an alias of the last word of COMMAND.
1515 Example: alias set print elms = set pr elem
1516 Note that unambiguous abbreviations are allowed. */
1518 if (alias_argc
== 1)
1520 /* add_cmd requires *we* allocate space for name, hence the xstrdup. */
1521 add_com_alias (xstrdup (alias_argv
[0]), command
, class_alias
,
1526 const char *alias_prefix
, *command_prefix
;
1527 struct cmd_list_element
*c_alias
, *c_command
;
1529 if (alias_argc
!= command_argc
)
1530 error (_("Mismatched command length between ALIAS and COMMAND."));
1532 /* Create copies of ALIAS and COMMAND without the last word,
1533 and use that to verify the leading elements match. */
1534 std::string
alias_prefix_string (argv_to_string (alias_argv
,
1536 std::string
command_prefix_string (argv_to_string (alias_argv
,
1538 alias_prefix
= alias_prefix_string
.c_str ();
1539 command_prefix
= command_prefix_string
.c_str ();
1541 c_command
= lookup_cmd_1 (& command_prefix
, cmdlist
, NULL
, 1);
1542 /* We've already tried to look up COMMAND. */
1543 gdb_assert (c_command
!= NULL
1544 && c_command
!= (struct cmd_list_element
*) -1);
1545 gdb_assert (c_command
->prefixlist
!= NULL
);
1546 c_alias
= lookup_cmd_1 (& alias_prefix
, cmdlist
, NULL
, 1);
1547 if (c_alias
!= c_command
)
1548 error (_("ALIAS and COMMAND prefixes do not match."));
1550 /* add_cmd requires *we* allocate space for name, hence the xstrdup. */
1551 add_alias_cmd (xstrdup (alias_argv
[alias_argc
- 1]),
1552 command_argv
[command_argc
- 1],
1553 class_alias
, abbrev_flag
, c_command
->prefixlist
);
1556 do_cleanups (cleanup
);
1559 /* Print a list of files and line numbers which a user may choose from
1560 in order to list a function which was specified ambiguously (as
1561 with `list classname::overloadedfuncname', for example). The
1562 vector in SALS provides the filenames and line numbers. */
1565 ambiguous_line_spec (struct symtabs_and_lines
*sals
)
1569 for (i
= 0; i
< sals
->nelts
; ++i
)
1570 printf_filtered (_("file: \"%s\", line number: %d\n"),
1571 symtab_to_filename_for_display (sals
->sals
[i
].symtab
),
1572 sals
->sals
[i
].line
);
1575 /* Sort function for filter_sals. */
1578 compare_symtabs (const void *a
, const void *b
)
1580 const struct symtab_and_line
*sala
= (const struct symtab_and_line
*) a
;
1581 const struct symtab_and_line
*salb
= (const struct symtab_and_line
*) b
;
1582 const char *dira
= SYMTAB_DIRNAME (sala
->symtab
);
1583 const char *dirb
= SYMTAB_DIRNAME (salb
->symtab
);
1591 else if (dirb
== NULL
)
1598 r
= filename_cmp (dira
, dirb
);
1603 r
= filename_cmp (sala
->symtab
->filename
, salb
->symtab
->filename
);
1607 if (sala
->line
< salb
->line
)
1609 return sala
->line
== salb
->line
? 0 : 1;
1612 /* Remove any SALs that do not match the current program space, or
1613 which appear to be "file:line" duplicates. */
1616 filter_sals (struct symtabs_and_lines
*sals
)
1621 for (i
= 0; i
< sals
->nelts
; ++i
)
1623 if (sals
->sals
[i
].pspace
== current_program_space
1624 && sals
->sals
[i
].symtab
!= NULL
)
1626 sals
->sals
[out
] = sals
->sals
[i
];
1632 qsort (sals
->sals
, sals
->nelts
, sizeof (struct symtab_and_line
),
1637 for (i
= 1; i
< sals
->nelts
; ++i
)
1639 if (compare_symtabs (&sals
->sals
[prev
], &sals
->sals
[i
]))
1641 /* Symtabs differ. */
1642 sals
->sals
[out
] = sals
->sals
[i
];
1648 if (sals
->nelts
== 0)
1658 set_debug (char *arg
, int from_tty
)
1660 printf_unfiltered (_("\"set debug\" must be followed by "
1661 "the name of a debug subcommand.\n"));
1662 help_list (setdebuglist
, "set debug ", all_commands
, gdb_stdout
);
1666 show_debug (char *args
, int from_tty
)
1668 cmd_show_list (showdebuglist
, from_tty
, "");
1672 init_cmd_lists (void)
1674 max_user_call_depth
= 1024;
1678 show_info_verbose (struct ui_file
*file
, int from_tty
,
1679 struct cmd_list_element
*c
,
1683 fprintf_filtered (file
,
1684 _("Verbose printing of informational messages is %s.\n"),
1687 fprintf_filtered (file
, _("Verbosity is %s.\n"), value
);
1691 show_history_expansion_p (struct ui_file
*file
, int from_tty
,
1692 struct cmd_list_element
*c
, const char *value
)
1694 fprintf_filtered (file
, _("History expansion on command input is %s.\n"),
1699 show_remote_debug (struct ui_file
*file
, int from_tty
,
1700 struct cmd_list_element
*c
, const char *value
)
1702 fprintf_filtered (file
, _("Debugging of remote protocol is %s.\n"),
1707 show_remote_timeout (struct ui_file
*file
, int from_tty
,
1708 struct cmd_list_element
*c
, const char *value
)
1710 fprintf_filtered (file
,
1711 _("Timeout limit to wait for target to respond is %s.\n"),
1716 show_max_user_call_depth (struct ui_file
*file
, int from_tty
,
1717 struct cmd_list_element
*c
, const char *value
)
1719 fprintf_filtered (file
,
1720 _("The max call depth for user-defined commands is %s.\n"),
1726 initialize_file_ftype _initialize_cli_cmds
;
1729 _initialize_cli_cmds (void)
1731 struct cmd_list_element
*c
;
1733 /* Define the classes of commands.
1734 They will appear in the help list in alphabetical order. */
1736 add_cmd ("internals", class_maintenance
, NULL
, _("\
1737 Maintenance commands.\n\
1738 Some gdb commands are provided just for use by gdb maintainers.\n\
1739 These commands are subject to frequent change, and may not be as\n\
1740 well documented as user commands."),
1742 add_cmd ("obscure", class_obscure
, NULL
, _("Obscure features."), &cmdlist
);
1743 add_cmd ("aliases", class_alias
, NULL
,
1744 _("Aliases of other commands."), &cmdlist
);
1745 add_cmd ("user-defined", class_user
, NULL
, _("\
1746 User-defined commands.\n\
1747 The commands in this class are those defined by the user.\n\
1748 Use the \"define\" command to define a command."), &cmdlist
);
1749 add_cmd ("support", class_support
, NULL
, _("Support facilities."), &cmdlist
);
1751 add_cmd ("status", class_info
, NULL
, _("Status inquiries."), &cmdlist
);
1752 add_cmd ("files", class_files
, NULL
, _("Specifying and examining files."),
1754 add_cmd ("breakpoints", class_breakpoint
, NULL
,
1755 _("Making program stop at certain points."), &cmdlist
);
1756 add_cmd ("data", class_vars
, NULL
, _("Examining data."), &cmdlist
);
1757 add_cmd ("stack", class_stack
, NULL
, _("\
1758 Examining the stack.\n\
1759 The stack is made up of stack frames. Gdb assigns numbers to stack frames\n\
1760 counting from zero for the innermost (currently executing) frame.\n\n\
1761 At any time gdb identifies one frame as the \"selected\" frame.\n\
1762 Variable lookups are done with respect to the selected frame.\n\
1763 When the program being debugged stops, gdb selects the innermost frame.\n\
1764 The commands below can be used to select other frames by number or address."),
1766 add_cmd ("running", class_run
, NULL
, _("Running the program."), &cmdlist
);
1768 /* Define general commands. */
1770 add_com ("pwd", class_files
, pwd_command
, _("\
1771 Print working directory. This is used for your program as well."));
1773 c
= add_cmd ("cd", class_files
, cd_command
, _("\
1774 Set working directory to DIR for debugger and program being debugged.\n\
1775 The change does not take effect for the program being debugged\n\
1776 until the next time it is started."), &cmdlist
);
1777 set_cmd_completer (c
, filename_completer
);
1779 add_com ("echo", class_support
, echo_command
, _("\
1780 Print a constant string. Give string as argument.\n\
1781 C escape sequences may be used in the argument.\n\
1782 No newline is added at the end of the argument;\n\
1783 use \"\\n\" if you want a newline to be printed.\n\
1784 Since leading and trailing whitespace are ignored in command arguments,\n\
1785 if you want to print some you must use \"\\\" before leading whitespace\n\
1786 to be printed or after trailing whitespace."));
1788 add_setshow_enum_cmd ("script-extension", class_support
,
1789 script_ext_enums
, &script_ext_mode
, _("\
1790 Set mode for script filename extension recognition."), _("\
1791 Show mode for script filename extension recognition."), _("\
1792 off == no filename extension recognition (all sourced files are GDB scripts)\n\
1793 soft == evaluate script according to filename extension, fallback to GDB script"
1795 strict == evaluate script according to filename extension, error if not supported"
1798 show_script_ext_mode
,
1799 &setlist
, &showlist
);
1801 add_com ("quit", class_support
, quit_command
, _("\
1803 Usage: quit [EXPR]\n\
1804 The optional expression EXPR, if present, is evaluated and the result\n\
1805 used as GDB's exit code. The default is zero."));
1806 c
= add_com ("help", class_support
, help_command
,
1807 _("Print list of commands."));
1808 set_cmd_completer (c
, command_completer
);
1809 add_com_alias ("q", "quit", class_support
, 1);
1810 add_com_alias ("h", "help", class_support
, 1);
1812 add_setshow_boolean_cmd ("verbose", class_support
, &info_verbose
, _("\
1813 Set verbosity."), _("\
1814 Show verbosity."), NULL
,
1817 &setlist
, &showlist
);
1819 add_prefix_cmd ("history", class_support
, set_history
,
1820 _("Generic command for setting command history parameters."),
1821 &sethistlist
, "set history ", 0, &setlist
);
1822 add_prefix_cmd ("history", class_support
, show_history
,
1823 _("Generic command for showing command history parameters."),
1824 &showhistlist
, "show history ", 0, &showlist
);
1826 add_setshow_boolean_cmd ("expansion", no_class
, &history_expansion_p
, _("\
1827 Set history expansion on command input."), _("\
1828 Show history expansion on command input."), _("\
1829 Without an argument, history expansion is enabled."),
1831 show_history_expansion_p
,
1832 &sethistlist
, &showhistlist
);
1834 add_prefix_cmd ("info", class_info
, info_command
, _("\
1835 Generic command for showing things about the program being debugged."),
1836 &infolist
, "info ", 0, &cmdlist
);
1837 add_com_alias ("i", "info", class_info
, 1);
1838 add_com_alias ("inf", "info", class_info
, 1);
1840 add_com ("complete", class_obscure
, complete_command
,
1841 _("List the completions for the rest of the line as a command."));
1843 add_prefix_cmd ("show", class_info
, show_command
, _("\
1844 Generic command for showing things about the debugger."),
1845 &showlist
, "show ", 0, &cmdlist
);
1846 /* Another way to get at the same thing. */
1847 add_info ("set", show_command
, _("Show all GDB settings."));
1849 add_cmd ("commands", no_set_class
, show_commands
, _("\
1850 Show the history of commands you typed.\n\
1851 You can supply a command number to start with, or a `+' to start after\n\
1852 the previous command number shown."),
1855 add_cmd ("version", no_set_class
, show_version
,
1856 _("Show what version of GDB this is."), &showlist
);
1858 add_cmd ("configuration", no_set_class
, show_configuration
,
1859 _("Show how GDB was configured at build time."), &showlist
);
1861 add_setshow_zinteger_cmd ("remote", no_class
, &remote_debug
, _("\
1862 Set debugging of remote protocol."), _("\
1863 Show debugging of remote protocol."), _("\
1864 When enabled, each packet sent or received with the remote target\n\
1868 &setdebuglist
, &showdebuglist
);
1870 add_setshow_zuinteger_unlimited_cmd ("remotetimeout", no_class
,
1871 &remote_timeout
, _("\
1872 Set timeout limit to wait for target to respond."), _("\
1873 Show timeout limit to wait for target to respond."), _("\
1874 This value is used to set the time limit for gdb to wait for a response\n\
1877 show_remote_timeout
,
1878 &setlist
, &showlist
);
1880 add_prefix_cmd ("debug", no_class
, set_debug
,
1881 _("Generic command for setting gdb debugging flags"),
1882 &setdebuglist
, "set debug ", 0, &setlist
);
1884 add_prefix_cmd ("debug", no_class
, show_debug
,
1885 _("Generic command for showing gdb debugging flags"),
1886 &showdebuglist
, "show debug ", 0, &showlist
);
1888 c
= add_com ("shell", class_support
, shell_command
, _("\
1889 Execute the rest of the line as a shell command.\n\
1890 With no arguments, run an inferior shell."));
1891 set_cmd_completer (c
, filename_completer
);
1893 c
= add_com ("edit", class_files
, edit_command
, _("\
1894 Edit specified file or function.\n\
1895 With no argument, edits file containing most recent line listed.\n\
1896 Editing targets can be specified in these ways:\n\
1897 FILE:LINENUM, to edit at that line in that file,\n\
1898 FUNCTION, to edit at the beginning of that function,\n\
1899 FILE:FUNCTION, to distinguish among like-named static functions.\n\
1900 *ADDRESS, to edit at the line containing that address.\n\
1901 Uses EDITOR environment variable contents as editor (or ex as default)."));
1903 c
->completer
= location_completer
;
1905 add_com ("list", class_files
, list_command
, _("\
1906 List specified function or line.\n\
1907 With no argument, lists ten more lines after or around previous listing.\n\
1908 \"list -\" lists the ten lines before a previous ten-line listing.\n\
1909 One argument specifies a line, and ten lines are listed around that line.\n\
1910 Two arguments with comma between specify starting and ending lines to list.\n\
1911 Lines can be specified in these ways:\n\
1912 LINENUM, to list around that line in current file,\n\
1913 FILE:LINENUM, to list around that line in that file,\n\
1914 FUNCTION, to list around beginning of that function,\n\
1915 FILE:FUNCTION, to distinguish among like-named static functions.\n\
1916 *ADDRESS, to list around the line containing that address.\n\
1917 With two args, if one is empty, it stands for ten lines away from\n\
1920 By default, when a single location is given, display ten lines.\n\
1921 This can be changed using \"set listsize\", and the current value\n\
1922 can be shown using \"show listsize\"."));
1924 add_com_alias ("l", "list", class_files
, 1);
1927 add_com_alias ("file", "list", class_files
, 1);
1929 c
= add_com ("disassemble", class_vars
, disassemble_command
, _("\
1930 Disassemble a specified section of memory.\n\
1931 Default is the function surrounding the pc of the selected frame.\n\
1933 With a /m modifier, source lines are included (if available).\n\
1934 This view is \"source centric\": the output is in source line order,\n\
1935 regardless of any optimization that is present. Only the main source file\n\
1936 is displayed, not those of, e.g., any inlined functions.\n\
1937 This modifier hasn't proved useful in practice and is deprecated\n\
1940 With a /s modifier, source lines are included (if available).\n\
1941 This differs from /m in two important respects:\n\
1942 - the output is still in pc address order, and\n\
1943 - file names and contents for all relevant source files are displayed.\n\
1945 With a /r modifier, raw instructions in hex are included.\n\
1947 With a single argument, the function surrounding that address is dumped.\n\
1948 Two arguments (separated by a comma) are taken as a range of memory to dump,\n\
1949 in the form of \"start,end\", or \"start,+length\".\n\
1951 Note that the address is interpreted as an expression, not as a location\n\
1952 like in the \"break\" command.\n\
1953 So, for example, if you want to disassemble function bar in file foo.c\n\
1954 you must type \"disassemble 'foo.c'::bar\" and not \"disassemble foo.c:bar\"."));
1955 set_cmd_completer (c
, location_completer
);
1957 add_com_alias ("!", "shell", class_support
, 0);
1959 c
= add_com ("make", class_support
, make_command
, _("\
1960 Run the ``make'' program using the rest of the line as arguments."));
1961 set_cmd_completer (c
, filename_completer
);
1962 add_cmd ("user", no_class
, show_user
, _("\
1963 Show definitions of non-python/scheme user defined commands.\n\
1964 Argument is the name of the user defined command.\n\
1965 With no argument, show definitions of all user defined commands."), &showlist
);
1966 add_com ("apropos", class_support
, apropos_command
,
1967 _("Search for commands matching a REGEXP"));
1969 add_setshow_uinteger_cmd ("max-user-call-depth", no_class
,
1970 &max_user_call_depth
, _("\
1971 Set the max call depth for non-python/scheme user-defined commands."), _("\
1972 Show the max call depth for non-python/scheme user-defined commands."), NULL
,
1974 show_max_user_call_depth
,
1975 &setlist
, &showlist
);
1977 add_setshow_boolean_cmd ("trace-commands", no_class
, &trace_commands
, _("\
1978 Set tracing of GDB CLI commands."), _("\
1979 Show state of GDB CLI command tracing."), _("\
1980 When 'on', each command is displayed as it is executed."),
1983 &setlist
, &showlist
);
1985 c
= add_com ("alias", class_support
, alias_command
, _("\
1986 Define a new command that is an alias of an existing command.\n\
1987 Usage: alias [-a] [--] ALIAS = COMMAND\n\
1988 ALIAS is the name of the alias command to create.\n\
1989 COMMAND is the command being aliased to.\n\
1990 If \"-a\" is specified, the command is an abbreviation,\n\
1991 and will not appear in help command list output.\n\
1994 Make \"spe\" an alias of \"set print elements\":\n\
1995 alias spe = set print elements\n\
1996 Make \"elms\" an alias of \"elements\" in the \"set print\" command:\n\
1997 alias -a set print elms = set print elements"));
2001 init_cli_cmds (void)
2003 struct cmd_list_element
*c
;
2004 char *source_help_text
;
2006 source_help_text
= xstrprintf (_("\
2007 Read commands from a file named FILE.\n\
2009 Usage: source [-s] [-v] FILE\n\
2010 -s: search for the script in the source search path,\n\
2011 even if FILE contains directories.\n\
2012 -v: each command in FILE is echoed as it is executed.\n\
2014 Note that the file \"%s\" is read automatically in this way\n\
2015 when GDB is started."), gdbinit
);
2016 c
= add_cmd ("source", class_support
, source_command
,
2017 source_help_text
, &cmdlist
);
2018 set_cmd_completer (c
, filename_completer
);