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_entry
, int from_tty
)
247 const char *arg
= arg_entry
;
250 VEC (char_ptr
) *completions
;
254 if (max_completions
== 0)
256 /* Only print this for non-mi frontends. An MI frontend may not
257 be able to handle this. */
258 if (!current_uiout
->is_mi_like_p ())
260 printf_unfiltered (_("max-completions is zero,"
261 " completion is disabled.\n"));
268 argpoint
= strlen (arg
);
270 /* complete_line assumes that its first argument is somewhere
271 within, and except for filenames at the beginning of, the word to
272 be completed. The following crude imitation of readline's
273 word-breaking tries to accomodate this. */
274 const char *point
= arg
+ argpoint
;
277 if (strchr (rl_completer_word_break_characters
, point
[-1]) != 0)
282 arg_prefix
= (char *) alloca (point
- arg
+ 1);
283 memcpy (arg_prefix
, arg
, point
- arg
);
284 arg_prefix
[point
- arg
] = 0;
286 completions
= complete_line (point
, arg
, argpoint
);
290 int ix
, size
= VEC_length (char_ptr
, completions
);
291 char *item
, *prev
= NULL
;
293 qsort (VEC_address (char_ptr
, completions
), size
,
294 sizeof (char *), compare_strings
);
296 /* We do extra processing here since we only want to print each
298 for (ix
= 0; VEC_iterate (char_ptr
, completions
, ix
, item
); ++ix
)
300 if (prev
== NULL
|| strcmp (item
, prev
) != 0)
302 printf_unfiltered ("%s%s\n", arg_prefix
, item
);
311 VEC_free (char_ptr
, completions
);
313 if (size
== max_completions
)
315 /* ARG_PREFIX and POINT are included in the output so that emacs
316 will include the message in the output. */
317 printf_unfiltered (_("%s%s %s\n"),
319 get_max_completions_reached_message ());
325 is_complete_command (struct cmd_list_element
*c
)
327 return cmd_cfunc_eq (c
, complete_command
);
331 show_version (char *args
, int from_tty
)
333 print_gdb_version (gdb_stdout
);
334 printf_filtered ("\n");
338 show_configuration (char *args
, int from_tty
)
340 print_gdb_configuration (gdb_stdout
);
343 /* Handle the quit command. */
346 quit_command (char *args
, int from_tty
)
350 /* An optional expression may be used to cause gdb to terminate with
351 the value of that expression. */
354 struct value
*val
= parse_and_eval (args
);
356 exit_code
= (int) value_as_long (val
);
359 if (!quit_confirm ())
360 error (_("Not confirmed."));
362 query_if_trace_running (from_tty
);
364 quit_force (args
? &exit_code
: NULL
, from_tty
);
368 pwd_command (char *args
, int from_tty
)
371 error (_("The \"pwd\" command does not take an argument: %s"), args
);
372 if (! getcwd (gdb_dirbuf
, sizeof (gdb_dirbuf
)))
373 error (_("Error finding name of working directory: %s"),
374 safe_strerror (errno
));
376 if (strcmp (gdb_dirbuf
, current_directory
) != 0)
377 printf_unfiltered (_("Working directory %s\n (canonically %s).\n"),
378 current_directory
, gdb_dirbuf
);
380 printf_unfiltered (_("Working directory %s.\n"), current_directory
);
384 cd_command (char *dir
, int from_tty
)
387 /* Found something other than leading repetitions of "/..". */
390 struct cleanup
*cleanup
;
392 /* If the new directory is absolute, repeat is a no-op; if relative,
393 repeat might be useful but is more likely to be a mistake. */
396 dir
= tilde_expand (dir
!= NULL
? dir
: "~");
397 cleanup
= make_cleanup (xfree
, dir
);
400 perror_with_name (dir
);
402 #ifdef HAVE_DOS_BASED_FILE_SYSTEM
403 /* There's too much mess with DOSish names like "d:", "d:.",
404 "d:./foo" etc. Instead of having lots of special #ifdef'ed code,
405 simply get the canonicalized name of the current directory. */
406 dir
= getcwd (gdb_dirbuf
, sizeof (gdb_dirbuf
));
410 if (IS_DIR_SEPARATOR (dir
[len
- 1]))
412 /* Remove the trailing slash unless this is a root directory
413 (including a drive letter on non-Unix systems). */
414 if (!(len
== 1) /* "/" */
415 #ifdef HAVE_DOS_BASED_FILE_SYSTEM
416 && !(len
== 3 && dir
[1] == ':') /* "d:/" */
422 dir
= savestring (dir
, len
);
423 if (IS_ABSOLUTE_PATH (dir
))
424 current_directory
= dir
;
427 if (IS_DIR_SEPARATOR (current_directory
[strlen (current_directory
) - 1]))
428 current_directory
= concat (current_directory
, dir
, (char *)NULL
);
430 current_directory
= concat (current_directory
, SLASH_STRING
,
435 /* Now simplify any occurrences of `.' and `..' in the pathname. */
438 for (p
= current_directory
; *p
;)
440 if (IS_DIR_SEPARATOR (p
[0]) && p
[1] == '.'
441 && (p
[2] == 0 || IS_DIR_SEPARATOR (p
[2])))
442 memmove (p
, p
+ 2, strlen (p
+ 2) + 1);
443 else if (IS_DIR_SEPARATOR (p
[0]) && p
[1] == '.' && p
[2] == '.'
444 && (p
[3] == 0 || IS_DIR_SEPARATOR (p
[3])))
448 /* Search backwards for the directory just before the "/.."
449 and obliterate it and the "/..". */
452 while (q
!= current_directory
&& !IS_DIR_SEPARATOR (q
[-1]))
455 if (q
== current_directory
)
456 /* current_directory is
457 a relative pathname ("can't happen"--leave it alone). */
461 memmove (q
- 1, p
+ 3, strlen (p
+ 3) + 1);
466 /* We are dealing with leading repetitions of "/..", for
467 example "/../..", which is the Mach super-root. */
477 forget_cached_source_info ();
480 pwd_command ((char *) 0, 1);
482 do_cleanups (cleanup
);
485 /* Show the current value of the 'script-extension' option. */
488 show_script_ext_mode (struct ui_file
*file
, int from_tty
,
489 struct cmd_list_element
*c
, const char *value
)
491 fprintf_filtered (file
,
492 _("Script filename extension recognition is \"%s\".\n"),
496 /* Try to open SCRIPT_FILE.
497 If successful, the full path name is stored in *FULL_PATHP,
498 the stream is stored in *STREAMP, and return 1.
499 The caller is responsible for freeing *FULL_PATHP.
500 If not successful, return 0; errno is set for the last file
503 If SEARCH_PATH is non-zero, and the file isn't found in cwd,
504 search for it in the source search path. */
507 find_and_open_script (const char *script_file
, int search_path
,
508 FILE **streamp
, char **full_pathp
)
512 struct cleanup
*old_cleanups
;
513 int search_flags
= OPF_TRY_CWD_FIRST
| OPF_RETURN_REALPATH
;
515 file
= tilde_expand (script_file
);
516 old_cleanups
= make_cleanup (xfree
, file
);
519 search_flags
|= OPF_SEARCH_IN_PATH
;
521 /* Search for and open 'file' on the search path used for source
522 files. Put the full location in *FULL_PATHP. */
523 fd
= openp (source_path
, search_flags
,
524 file
, O_RDONLY
, full_pathp
);
528 int save_errno
= errno
;
529 do_cleanups (old_cleanups
);
534 do_cleanups (old_cleanups
);
536 *streamp
= fdopen (fd
, FOPEN_RT
);
537 if (*streamp
== NULL
)
539 int save_errno
= errno
;
551 /* Load script FILE, which has already been opened as STREAM.
552 FILE_TO_OPEN is the form of FILE to use if one needs to open the file.
553 This is provided as FILE may have been found via the source search path.
554 An important thing to note here is that FILE may be a symlink to a file
555 with a different or non-existing suffix, and thus one cannot infer the
556 extension language from FILE_TO_OPEN. */
559 source_script_from_stream (FILE *stream
, const char *file
,
560 const char *file_to_open
)
562 if (script_ext_mode
!= script_ext_off
)
564 const struct extension_language_defn
*extlang
565 = get_ext_lang_of_file (file
);
569 if (ext_lang_present_p (extlang
))
571 script_sourcer_func
*sourcer
572 = ext_lang_script_sourcer (extlang
);
574 gdb_assert (sourcer
!= NULL
);
575 sourcer (extlang
, stream
, file_to_open
);
578 else if (script_ext_mode
== script_ext_soft
)
580 /* Assume the file is a gdb script.
581 This is handled below. */
584 throw_ext_lang_unsupported (extlang
);
588 script_from_file (stream
, file
);
591 /* Worker to perform the "source" command.
593 If SEARCH_PATH is non-zero, and the file isn't found in cwd,
594 search for it in the source search path. */
597 source_script_with_search (const char *file
, int from_tty
, int search_path
)
601 struct cleanup
*old_cleanups
;
603 if (file
== NULL
|| *file
== 0)
604 error (_("source command requires file name of file to source."));
606 if (!find_and_open_script (file
, search_path
, &stream
, &full_path
))
608 /* The script wasn't found, or was otherwise inaccessible.
609 If the source command was invoked interactively, throw an
610 error. Otherwise (e.g. if it was invoked by a script),
611 just emit a warning, rather than cause an error. */
613 perror_with_name (file
);
616 perror_warning_with_name (file
);
621 old_cleanups
= make_cleanup (xfree
, full_path
);
622 make_cleanup_fclose (stream
);
623 /* The python support reopens the file, so we need to pass full_path here
624 in case the file was found on the search path. It's useful to do this
625 anyway so that error messages show the actual file used. But only do
626 this if we (may have) used search_path, as printing the full path in
627 errors for the non-search case can be more noise than signal. */
628 source_script_from_stream (stream
, file
, search_path
? full_path
: file
);
629 do_cleanups (old_cleanups
);
632 /* Wrapper around source_script_with_search to export it to main.c
633 for use in loading .gdbinit scripts. */
636 source_script (const char *file
, int from_tty
)
638 source_script_with_search (file
, from_tty
, 0);
641 /* Return the source_verbose global variable to its previous state
642 on exit from the source command, by whatever means. */
644 source_verbose_cleanup (void *old_value
)
646 source_verbose
= *(int *)old_value
;
651 source_command (char *args
, int from_tty
)
653 struct cleanup
*old_cleanups
;
655 int *old_source_verbose
= XNEW (int);
658 *old_source_verbose
= source_verbose
;
659 old_cleanups
= make_cleanup (source_verbose_cleanup
,
662 /* -v causes the source command to run in verbose mode.
663 -s causes the file to be searched in the source search path,
664 even if the file name contains a '/'.
665 We still have to be able to handle filenames with spaces in a
666 backward compatible way, so buildargv is not appropriate. */
670 while (args
[0] != '\0')
672 /* Make sure leading white space does not break the
674 args
= skip_spaces (args
);
679 if (args
[1] == 'v' && isspace (args
[2]))
683 /* Skip passed -v. */
686 else if (args
[1] == 's' && isspace (args
[2]))
690 /* Skip passed -s. */
697 file
= skip_spaces (args
);
700 source_script_with_search (file
, from_tty
, search_path
);
702 do_cleanups (old_cleanups
);
707 echo_command (char *text
, int from_tty
)
709 const char *p
= text
;
713 while ((c
= *p
++) != '\0')
717 /* \ at end of argument is used after spaces
718 so they won't be lost. */
722 c
= parse_escape (get_current_arch (), &p
);
724 printf_filtered ("%c", c
);
727 printf_filtered ("%c", c
);
730 /* Force this output to appear now. */
732 gdb_flush (gdb_stdout
);
736 shell_escape (const char *arg
, int from_tty
)
738 #if defined(CANT_FORK) || \
739 (!defined(HAVE_WORKING_VFORK) && !defined(HAVE_WORKING_FORK))
740 /* If ARG is NULL, they want an inferior shell, but `system' just
741 reports if the shell is available when passed a NULL arg. */
742 int rc
= system (arg
? arg
: "");
745 arg
= "inferior shell";
749 fprintf_unfiltered (gdb_stderr
, "Cannot execute %s: %s\n", arg
,
750 safe_strerror (errno
));
751 gdb_flush (gdb_stderr
);
755 fprintf_unfiltered (gdb_stderr
, "%s exited with status %d\n", arg
, rc
);
756 gdb_flush (gdb_stderr
);
759 /* Make sure to return to the directory GDB thinks it is, in case
760 the shell command we just ran changed it. */
761 chdir (current_directory
);
763 #else /* Can fork. */
766 if ((pid
= vfork ()) == 0)
768 const char *p
, *user_shell
;
772 if ((user_shell
= (char *) getenv ("SHELL")) == NULL
)
773 user_shell
= "/bin/sh";
775 /* Get the name of the shell for arg0. */
776 p
= lbasename (user_shell
);
779 execl (user_shell
, p
, (char *) 0);
781 execl (user_shell
, p
, "-c", arg
, (char *) 0);
783 fprintf_unfiltered (gdb_stderr
, "Cannot execute %s: %s\n", user_shell
,
784 safe_strerror (errno
));
785 gdb_flush (gdb_stderr
);
790 waitpid (pid
, &status
, 0);
792 error (_("Fork failed"));
793 #endif /* Can fork. */
796 /* Implementation of the "shell" command. */
799 shell_command (char *arg
, int from_tty
)
801 shell_escape (arg
, from_tty
);
805 edit_command (char *arg
, int from_tty
)
807 struct symtabs_and_lines sals
;
808 struct symtab_and_line sal
;
814 /* Pull in the current default source line if necessary. */
817 set_default_source_symtab_and_line ();
818 sal
= get_current_source_symtab_and_line ();
821 /* Bare "edit" edits file with present line. */
826 error (_("No default source file yet."));
827 sal
.line
+= get_lines_to_list () / 2;
833 /* Now should only be one argument -- decode it in SAL. */
835 event_location_up location
= string_to_event_location (&arg1
,
837 sals
= decode_line_1 (location
.get (), DECODE_LINE_LIST_MODE
,
848 ambiguous_line_spec (&sals
);
857 error (_("Junk at end of line specification."));
859 /* If line was specified by address, first print exactly which
860 line, and which file. In this case, sal.symtab == 0 means
861 address is outside of all known source files, not that user
862 failed to give a filename. */
865 struct gdbarch
*gdbarch
;
868 error (_("No source file for address %s."),
869 paddress (get_current_arch (), sal
.pc
));
871 gdbarch
= get_objfile_arch (SYMTAB_OBJFILE (sal
.symtab
));
872 sym
= find_pc_function (sal
.pc
);
874 printf_filtered ("%s is in %s (%s:%d).\n",
875 paddress (gdbarch
, sal
.pc
),
876 SYMBOL_PRINT_NAME (sym
),
877 symtab_to_filename_for_display (sal
.symtab
),
880 printf_filtered ("%s is at %s:%d.\n",
881 paddress (gdbarch
, sal
.pc
),
882 symtab_to_filename_for_display (sal
.symtab
),
886 /* If what was given does not imply a symtab, it must be an
887 undebuggable symbol which means no source code. */
890 error (_("No line number known for %s."), arg
);
893 if ((editor
= (char *) getenv ("EDITOR")) == NULL
)
896 fn
= symtab_to_fullname (sal
.symtab
);
898 /* Quote the file name, in case it has whitespace or other special
900 p
= xstrprintf ("%s +%d \"%s\"", editor
, sal
.line
, fn
);
901 shell_escape (p
, from_tty
);
906 list_command (char *arg
, int from_tty
)
908 struct symtabs_and_lines sals
, sals_end
;
909 struct symtab_and_line sal
= { 0 };
910 struct symtab_and_line sal_end
= { 0 };
911 struct symtab_and_line cursal
= { 0 };
920 /* Pull in the current default source line if necessary. */
921 if (arg
== NULL
|| ((arg
[0] == '+' || arg
[0] == '-') && arg
[1] == '\0'))
923 set_default_source_symtab_and_line ();
924 cursal
= get_current_source_symtab_and_line ();
926 /* If this is the first "list" since we've set the current
927 source line, center the listing around that line. */
928 if (get_first_line_listed () == 0)
932 first
= std::max (cursal
.line
- get_lines_to_list () / 2, 1);
934 /* A small special case --- if listing backwards, and we
935 should list only one line, list the preceding line,
936 instead of the exact line we've just shown after e.g.,
937 stopping for a breakpoint. */
938 if (arg
!= NULL
&& arg
[0] == '-'
939 && get_lines_to_list () == 1 && first
> 1)
942 print_source_lines (cursal
.symtab
, first
,
943 first
+ get_lines_to_list (), 0);
946 /* "l" or "l +" lists next ten lines. */
947 else if (arg
== NULL
|| arg
[0] == '+')
948 print_source_lines (cursal
.symtab
, cursal
.line
,
949 cursal
.line
+ get_lines_to_list (), 0);
951 /* "l -" lists previous ten lines, the ones before the ten just
953 else if (arg
[0] == '-')
955 if (get_first_line_listed () == 1)
956 error (_("Already at the start of %s."),
957 symtab_to_filename_for_display (cursal
.symtab
));
958 print_source_lines (cursal
.symtab
,
959 std::max (get_first_line_listed ()
960 - get_lines_to_list (), 1),
961 get_first_line_listed (), 0);
967 /* Now if there is only one argument, decode it in SAL
969 If there are two arguments, decode them in SAL and SAL_END
970 and clear NO_END; however, if one of the arguments is blank,
971 set DUMMY_BEG or DUMMY_END to record that fact. */
973 if (!have_full_symbols () && !have_partial_symbols ())
974 error (_("No symbol table is loaded. Use the \"file\" command."));
981 event_location_up location
= string_to_event_location (&arg1
,
983 sals
= decode_line_1 (location
.get (), DECODE_LINE_LIST_MODE
,
994 ambiguous_line_spec (&sals
);
1003 /* Record whether the BEG arg is all digits. */
1005 for (p
= arg
; p
!= arg1
&& *p
>= '0' && *p
<= '9'; p
++);
1006 linenum_beg
= (p
== arg1
);
1008 while (*arg1
== ' ' || *arg1
== '\t')
1014 while (*arg1
== ' ' || *arg1
== '\t')
1020 event_location_up location
1021 = string_to_event_location (&arg1
, current_language
);
1023 sals_end
= decode_line_1 (location
.get (),
1024 DECODE_LINE_LIST_MODE
, NULL
, NULL
, 0);
1026 sals_end
= decode_line_1 (location
.get (), DECODE_LINE_LIST_MODE
,
1027 NULL
, sal
.symtab
, sal
.line
);
1029 filter_sals (&sals_end
);
1030 if (sals_end
.nelts
== 0)
1032 if (sals_end
.nelts
> 1)
1034 ambiguous_line_spec (&sals_end
);
1035 xfree (sals_end
.sals
);
1038 sal_end
= sals_end
.sals
[0];
1039 xfree (sals_end
.sals
);
1044 error (_("Junk at end of line specification."));
1046 if (!no_end
&& !dummy_beg
&& !dummy_end
1047 && sal
.symtab
!= sal_end
.symtab
)
1048 error (_("Specified start and end are in different files."));
1049 if (dummy_beg
&& dummy_end
)
1050 error (_("Two empty args do not say what lines to list."));
1052 /* If line was specified by address,
1053 first print exactly which line, and which file.
1055 In this case, sal.symtab == 0 means address is outside of all
1056 known source files, not that user failed to give a filename. */
1059 struct gdbarch
*gdbarch
;
1061 if (sal
.symtab
== 0)
1062 error (_("No source file for address %s."),
1063 paddress (get_current_arch (), sal
.pc
));
1065 gdbarch
= get_objfile_arch (SYMTAB_OBJFILE (sal
.symtab
));
1066 sym
= find_pc_function (sal
.pc
);
1068 printf_filtered ("%s is in %s (%s:%d).\n",
1069 paddress (gdbarch
, sal
.pc
),
1070 SYMBOL_PRINT_NAME (sym
),
1071 symtab_to_filename_for_display (sal
.symtab
), sal
.line
);
1073 printf_filtered ("%s is at %s:%d.\n",
1074 paddress (gdbarch
, sal
.pc
),
1075 symtab_to_filename_for_display (sal
.symtab
), sal
.line
);
1078 /* If line was not specified by just a line number, and it does not
1079 imply a symtab, it must be an undebuggable symbol which means no
1082 if (!linenum_beg
&& sal
.symtab
== 0)
1083 error (_("No line number known for %s."), arg
);
1085 /* If this command is repeated with RET,
1086 turn it into the no-arg variant. */
1091 if (dummy_beg
&& sal_end
.symtab
== 0)
1092 error (_("No default source file yet. Do \"help list\"."));
1094 print_source_lines (sal_end
.symtab
,
1095 std::max (sal_end
.line
- (get_lines_to_list () - 1), 1),
1096 sal_end
.line
+ 1, 0);
1097 else if (sal
.symtab
== 0)
1098 error (_("No default source file yet. Do \"help list\"."));
1101 int first_line
= sal
.line
- get_lines_to_list () / 2;
1103 if (first_line
< 1) first_line
= 1;
1105 print_source_lines (sal
.symtab
,
1107 first_line
+ get_lines_to_list (),
1111 print_source_lines (sal
.symtab
, sal
.line
,
1113 ? sal
.line
+ get_lines_to_list ()
1114 : sal_end
.line
+ 1),
1118 /* Subroutine of disassemble_command to simplify it.
1119 Perform the disassembly.
1120 NAME is the name of the function if known, or NULL.
1121 [LOW,HIGH) are the range of addresses to disassemble.
1122 MIXED is non-zero to print source with the assembler. */
1125 print_disassembly (struct gdbarch
*gdbarch
, const char *name
,
1126 CORE_ADDR low
, CORE_ADDR high
, int flags
)
1129 if (!tui_is_window_visible (DISASSEM_WIN
))
1132 printf_filtered ("Dump of assembler code ");
1134 printf_filtered ("for function %s:\n", name
);
1136 printf_filtered ("from %s to %s:\n",
1137 paddress (gdbarch
, low
), paddress (gdbarch
, high
));
1139 /* Dump the specified range. */
1140 gdb_disassembly (gdbarch
, current_uiout
, flags
, -1, low
, high
);
1142 printf_filtered ("End of assembler dump.\n");
1143 gdb_flush (gdb_stdout
);
1148 tui_show_assembly (gdbarch
, low
);
1153 /* Subroutine of disassemble_command to simplify it.
1154 Print a disassembly of the current function according to FLAGS. */
1157 disassemble_current_function (int flags
)
1159 struct frame_info
*frame
;
1160 struct gdbarch
*gdbarch
;
1161 CORE_ADDR low
, high
, pc
;
1164 frame
= get_selected_frame (_("No frame selected."));
1165 gdbarch
= get_frame_arch (frame
);
1166 pc
= get_frame_address_in_block (frame
);
1167 if (find_pc_partial_function (pc
, &name
, &low
, &high
) == 0)
1168 error (_("No function contains program counter for selected frame."));
1170 /* NOTE: cagney/2003-02-13 The `tui_active' was previously
1173 /* FIXME: cagney/2004-02-07: This should be an observer. */
1174 low
= tui_get_low_disassembly_address (gdbarch
, low
, pc
);
1176 low
+= gdbarch_deprecated_function_start_offset (gdbarch
);
1178 print_disassembly (gdbarch
, name
, low
, high
, flags
);
1181 /* Dump a specified section of assembly code.
1185 - dump the assembly code for the function of the current pc
1186 disassemble [/mrs] addr
1187 - dump the assembly code for the function at ADDR
1188 disassemble [/mrs] low,high
1189 disassemble [/mrs] low,+length
1190 - dump the assembly code in the range [LOW,HIGH), or [LOW,LOW+length)
1192 A /m modifier will include source code with the assembly in a
1193 "source centric" view. This view lists only the file of the first insn,
1194 even if other source files are involved (e.g., inlined functions), and
1195 the output is in source order, even with optimized code. This view is
1196 considered deprecated as it hasn't been useful in practice.
1198 A /r modifier will include raw instructions in hex with the assembly.
1200 A /s modifier will include source code with the assembly, like /m, with
1201 two important differences:
1202 1) The output is still in pc address order.
1203 2) File names and contents for all relevant source files are displayed. */
1206 disassemble_command (char *arg
, int from_tty
)
1208 struct gdbarch
*gdbarch
= get_current_arch ();
1209 CORE_ADDR low
, high
;
1224 error (_("Missing modifier."));
1226 while (*p
&& ! isspace (*p
))
1231 flags
|= DISASSEMBLY_SOURCE_DEPRECATED
;
1234 flags
|= DISASSEMBLY_RAW_INSN
;
1237 flags
|= DISASSEMBLY_SOURCE
;
1240 error (_("Invalid disassembly modifier."));
1244 p
= skip_spaces_const (p
);
1247 if ((flags
& (DISASSEMBLY_SOURCE_DEPRECATED
| DISASSEMBLY_SOURCE
))
1248 == (DISASSEMBLY_SOURCE_DEPRECATED
| DISASSEMBLY_SOURCE
))
1249 error (_("Cannot specify both /m and /s."));
1253 flags
|= DISASSEMBLY_OMIT_FNAME
;
1254 disassemble_current_function (flags
);
1258 pc
= value_as_address (parse_to_comma_and_eval (&p
));
1264 if (find_pc_partial_function (pc
, &name
, &low
, &high
) == 0)
1265 error (_("No function contains specified address."));
1267 /* NOTE: cagney/2003-02-13 The `tui_active' was previously
1270 /* FIXME: cagney/2004-02-07: This should be an observer. */
1271 low
= tui_get_low_disassembly_address (gdbarch
, low
, pc
);
1273 low
+= gdbarch_deprecated_function_start_offset (gdbarch
);
1274 flags
|= DISASSEMBLY_OMIT_FNAME
;
1278 /* Two arguments. */
1281 p
= skip_spaces_const (p
);
1287 high
= parse_and_eval_address (p
);
1292 print_disassembly (gdbarch
, name
, low
, high
, flags
);
1296 make_command (char *arg
, int from_tty
)
1299 shell_escape ("make", from_tty
);
1302 std::string cmd
= std::string ("make ") + arg
;
1304 shell_escape (cmd
.c_str (), from_tty
);
1309 show_user (char *args
, int from_tty
)
1311 struct cmd_list_element
*c
;
1312 extern struct cmd_list_element
*cmdlist
;
1316 const char *comname
= args
;
1318 c
= lookup_cmd (&comname
, cmdlist
, "", 0, 1);
1319 if (!cli_user_command_p (c
))
1320 error (_("Not a user command."));
1321 show_user_1 (c
, "", args
, gdb_stdout
);
1325 for (c
= cmdlist
; c
; c
= c
->next
)
1327 if (cli_user_command_p (c
) || c
->prefixlist
!= NULL
)
1328 show_user_1 (c
, "", c
->name
, gdb_stdout
);
1333 /* Search through names of commands and documentations for a certain
1334 regular expression. */
1337 apropos_command (char *searchstr
, int from_tty
)
1342 if (searchstr
== NULL
)
1343 error (_("REGEXP string is empty"));
1345 code
= regcomp (&pattern
, searchstr
, REG_ICASE
);
1348 struct cleanup
*cleanups
;
1350 cleanups
= make_regfree_cleanup (&pattern
);
1351 apropos_cmd (gdb_stdout
, cmdlist
, &pattern
, "");
1352 do_cleanups (cleanups
);
1356 char *err
= get_regcomp_error (code
, &pattern
);
1358 make_cleanup (xfree
, err
);
1359 error (_("Error in regular expression: %s"), err
);
1363 /* Subroutine of alias_command to simplify it.
1364 Return the first N elements of ARGV flattened back to a string
1365 with a space separating each element.
1366 ARGV may not be NULL.
1367 This does not take care of quoting elements in case they contain spaces
1371 argv_to_string (char **argv
, int n
)
1376 gdb_assert (argv
!= NULL
);
1377 gdb_assert (n
>= 0 && n
<= countargv (argv
));
1379 for (i
= 0; i
< n
; ++i
)
1389 /* Subroutine of alias_command to simplify it.
1390 Return TRUE if COMMAND exists, unambiguously. Otherwise FALSE. */
1393 valid_command_p (const char *command
)
1395 struct cmd_list_element
*c
;
1397 c
= lookup_cmd_1 (& command
, cmdlist
, NULL
, 1);
1399 if (c
== NULL
|| c
== (struct cmd_list_element
*) -1)
1402 /* This is the slightly tricky part.
1403 lookup_cmd_1 will return a pointer to the last part of COMMAND
1404 to match, leaving COMMAND pointing at the remainder. */
1405 while (*command
== ' ' || *command
== '\t')
1407 return *command
== '\0';
1410 /* Called when "alias" was incorrectly used. */
1413 alias_usage_error (void)
1415 error (_("Usage: alias [-a] [--] ALIAS = COMMAND"));
1418 /* Make an alias of an existing command. */
1421 alias_command (char *args
, int from_tty
)
1423 int i
, alias_argc
, command_argc
;
1424 int abbrev_flag
= 0;
1425 char *args2
, *equals
;
1426 const char *alias
, *command
;
1427 char **alias_argv
, **command_argv
;
1428 struct cleanup
*cleanup
;
1430 if (args
== NULL
|| strchr (args
, '=') == NULL
)
1431 alias_usage_error ();
1433 args2
= xstrdup (args
);
1434 cleanup
= make_cleanup (xfree
, args2
);
1435 equals
= strchr (args2
, '=');
1437 alias_argv
= gdb_buildargv (args2
);
1438 make_cleanup_freeargv (alias_argv
);
1439 command_argv
= gdb_buildargv (equals
+ 1);
1440 make_cleanup_freeargv (command_argv
);
1442 for (i
= 0; alias_argv
[i
] != NULL
; )
1444 if (strcmp (alias_argv
[i
], "-a") == 0)
1449 else if (strcmp (alias_argv
[i
], "--") == 0)
1458 if (alias_argv
[0] == NULL
|| command_argv
[0] == NULL
1459 || *alias_argv
[0] == '\0' || *command_argv
[0] == '\0')
1460 alias_usage_error ();
1462 for (i
= 0; alias_argv
[i
] != NULL
; ++i
)
1464 if (! valid_user_defined_cmd_name_p (alias_argv
[i
]))
1467 error (_("Invalid command name: %s"), alias_argv
[i
]);
1469 error (_("Invalid command element name: %s"), alias_argv
[i
]);
1473 alias_argc
= countargv (alias_argv
);
1474 command_argc
= countargv (command_argv
);
1476 /* COMMAND must exist.
1477 Reconstruct the command to remove any extraneous spaces,
1478 for better error messages. */
1479 std::string
command_string (argv_to_string (command_argv
, command_argc
));
1480 command
= command_string
.c_str ();
1481 if (! valid_command_p (command
))
1482 error (_("Invalid command to alias to: %s"), command
);
1484 /* ALIAS must not exist. */
1485 std::string
alias_string (argv_to_string (alias_argv
, alias_argc
));
1486 alias
= alias_string
.c_str ();
1487 if (valid_command_p (alias
))
1488 error (_("Alias already exists: %s"), alias
);
1490 /* If ALIAS is one word, it is an alias for the entire COMMAND.
1491 Example: alias spe = set print elements
1493 Otherwise ALIAS and COMMAND must have the same number of words,
1494 and every word except the last must match; and the last word of
1495 ALIAS is made an alias of the last word of COMMAND.
1496 Example: alias set print elms = set pr elem
1497 Note that unambiguous abbreviations are allowed. */
1499 if (alias_argc
== 1)
1501 /* add_cmd requires *we* allocate space for name, hence the xstrdup. */
1502 add_com_alias (xstrdup (alias_argv
[0]), command
, class_alias
,
1507 const char *alias_prefix
, *command_prefix
;
1508 struct cmd_list_element
*c_alias
, *c_command
;
1510 if (alias_argc
!= command_argc
)
1511 error (_("Mismatched command length between ALIAS and COMMAND."));
1513 /* Create copies of ALIAS and COMMAND without the last word,
1514 and use that to verify the leading elements match. */
1515 std::string
alias_prefix_string (argv_to_string (alias_argv
,
1517 std::string
command_prefix_string (argv_to_string (alias_argv
,
1519 alias_prefix
= alias_prefix_string
.c_str ();
1520 command_prefix
= command_prefix_string
.c_str ();
1522 c_command
= lookup_cmd_1 (& command_prefix
, cmdlist
, NULL
, 1);
1523 /* We've already tried to look up COMMAND. */
1524 gdb_assert (c_command
!= NULL
1525 && c_command
!= (struct cmd_list_element
*) -1);
1526 gdb_assert (c_command
->prefixlist
!= NULL
);
1527 c_alias
= lookup_cmd_1 (& alias_prefix
, cmdlist
, NULL
, 1);
1528 if (c_alias
!= c_command
)
1529 error (_("ALIAS and COMMAND prefixes do not match."));
1531 /* add_cmd requires *we* allocate space for name, hence the xstrdup. */
1532 add_alias_cmd (xstrdup (alias_argv
[alias_argc
- 1]),
1533 command_argv
[command_argc
- 1],
1534 class_alias
, abbrev_flag
, c_command
->prefixlist
);
1537 do_cleanups (cleanup
);
1540 /* Print a list of files and line numbers which a user may choose from
1541 in order to list a function which was specified ambiguously (as
1542 with `list classname::overloadedfuncname', for example). The
1543 vector in SALS provides the filenames and line numbers. */
1546 ambiguous_line_spec (struct symtabs_and_lines
*sals
)
1550 for (i
= 0; i
< sals
->nelts
; ++i
)
1551 printf_filtered (_("file: \"%s\", line number: %d\n"),
1552 symtab_to_filename_for_display (sals
->sals
[i
].symtab
),
1553 sals
->sals
[i
].line
);
1556 /* Sort function for filter_sals. */
1559 compare_symtabs (const void *a
, const void *b
)
1561 const struct symtab_and_line
*sala
= (const struct symtab_and_line
*) a
;
1562 const struct symtab_and_line
*salb
= (const struct symtab_and_line
*) b
;
1563 const char *dira
= SYMTAB_DIRNAME (sala
->symtab
);
1564 const char *dirb
= SYMTAB_DIRNAME (salb
->symtab
);
1572 else if (dirb
== NULL
)
1579 r
= filename_cmp (dira
, dirb
);
1584 r
= filename_cmp (sala
->symtab
->filename
, salb
->symtab
->filename
);
1588 if (sala
->line
< salb
->line
)
1590 return sala
->line
== salb
->line
? 0 : 1;
1593 /* Remove any SALs that do not match the current program space, or
1594 which appear to be "file:line" duplicates. */
1597 filter_sals (struct symtabs_and_lines
*sals
)
1602 for (i
= 0; i
< sals
->nelts
; ++i
)
1604 if (sals
->sals
[i
].pspace
== current_program_space
1605 && sals
->sals
[i
].symtab
!= NULL
)
1607 sals
->sals
[out
] = sals
->sals
[i
];
1613 qsort (sals
->sals
, sals
->nelts
, sizeof (struct symtab_and_line
),
1618 for (i
= 1; i
< sals
->nelts
; ++i
)
1620 if (compare_symtabs (&sals
->sals
[prev
], &sals
->sals
[i
]))
1622 /* Symtabs differ. */
1623 sals
->sals
[out
] = sals
->sals
[i
];
1629 if (sals
->nelts
== 0)
1639 set_debug (char *arg
, int from_tty
)
1641 printf_unfiltered (_("\"set debug\" must be followed by "
1642 "the name of a debug subcommand.\n"));
1643 help_list (setdebuglist
, "set debug ", all_commands
, gdb_stdout
);
1647 show_debug (char *args
, int from_tty
)
1649 cmd_show_list (showdebuglist
, from_tty
, "");
1653 init_cmd_lists (void)
1655 max_user_call_depth
= 1024;
1659 show_info_verbose (struct ui_file
*file
, int from_tty
,
1660 struct cmd_list_element
*c
,
1664 fprintf_filtered (file
,
1665 _("Verbose printing of informational messages is %s.\n"),
1668 fprintf_filtered (file
, _("Verbosity is %s.\n"), value
);
1672 show_history_expansion_p (struct ui_file
*file
, int from_tty
,
1673 struct cmd_list_element
*c
, const char *value
)
1675 fprintf_filtered (file
, _("History expansion on command input is %s.\n"),
1680 show_remote_debug (struct ui_file
*file
, int from_tty
,
1681 struct cmd_list_element
*c
, const char *value
)
1683 fprintf_filtered (file
, _("Debugging of remote protocol is %s.\n"),
1688 show_remote_timeout (struct ui_file
*file
, int from_tty
,
1689 struct cmd_list_element
*c
, const char *value
)
1691 fprintf_filtered (file
,
1692 _("Timeout limit to wait for target to respond is %s.\n"),
1697 show_max_user_call_depth (struct ui_file
*file
, int from_tty
,
1698 struct cmd_list_element
*c
, const char *value
)
1700 fprintf_filtered (file
,
1701 _("The max call depth for user-defined commands is %s.\n"),
1707 initialize_file_ftype _initialize_cli_cmds
;
1710 _initialize_cli_cmds (void)
1712 struct cmd_list_element
*c
;
1714 /* Define the classes of commands.
1715 They will appear in the help list in alphabetical order. */
1717 add_cmd ("internals", class_maintenance
, NULL
, _("\
1718 Maintenance commands.\n\
1719 Some gdb commands are provided just for use by gdb maintainers.\n\
1720 These commands are subject to frequent change, and may not be as\n\
1721 well documented as user commands."),
1723 add_cmd ("obscure", class_obscure
, NULL
, _("Obscure features."), &cmdlist
);
1724 add_cmd ("aliases", class_alias
, NULL
,
1725 _("Aliases of other commands."), &cmdlist
);
1726 add_cmd ("user-defined", class_user
, NULL
, _("\
1727 User-defined commands.\n\
1728 The commands in this class are those defined by the user.\n\
1729 Use the \"define\" command to define a command."), &cmdlist
);
1730 add_cmd ("support", class_support
, NULL
, _("Support facilities."), &cmdlist
);
1732 add_cmd ("status", class_info
, NULL
, _("Status inquiries."), &cmdlist
);
1733 add_cmd ("files", class_files
, NULL
, _("Specifying and examining files."),
1735 add_cmd ("breakpoints", class_breakpoint
, NULL
,
1736 _("Making program stop at certain points."), &cmdlist
);
1737 add_cmd ("data", class_vars
, NULL
, _("Examining data."), &cmdlist
);
1738 add_cmd ("stack", class_stack
, NULL
, _("\
1739 Examining the stack.\n\
1740 The stack is made up of stack frames. Gdb assigns numbers to stack frames\n\
1741 counting from zero for the innermost (currently executing) frame.\n\n\
1742 At any time gdb identifies one frame as the \"selected\" frame.\n\
1743 Variable lookups are done with respect to the selected frame.\n\
1744 When the program being debugged stops, gdb selects the innermost frame.\n\
1745 The commands below can be used to select other frames by number or address."),
1747 add_cmd ("running", class_run
, NULL
, _("Running the program."), &cmdlist
);
1749 /* Define general commands. */
1751 add_com ("pwd", class_files
, pwd_command
, _("\
1752 Print working directory. This is used for your program as well."));
1754 c
= add_cmd ("cd", class_files
, cd_command
, _("\
1755 Set working directory to DIR for debugger and program being debugged.\n\
1756 The change does not take effect for the program being debugged\n\
1757 until the next time it is started."), &cmdlist
);
1758 set_cmd_completer (c
, filename_completer
);
1760 add_com ("echo", class_support
, echo_command
, _("\
1761 Print a constant string. Give string as argument.\n\
1762 C escape sequences may be used in the argument.\n\
1763 No newline is added at the end of the argument;\n\
1764 use \"\\n\" if you want a newline to be printed.\n\
1765 Since leading and trailing whitespace are ignored in command arguments,\n\
1766 if you want to print some you must use \"\\\" before leading whitespace\n\
1767 to be printed or after trailing whitespace."));
1769 add_setshow_enum_cmd ("script-extension", class_support
,
1770 script_ext_enums
, &script_ext_mode
, _("\
1771 Set mode for script filename extension recognition."), _("\
1772 Show mode for script filename extension recognition."), _("\
1773 off == no filename extension recognition (all sourced files are GDB scripts)\n\
1774 soft == evaluate script according to filename extension, fallback to GDB script"
1776 strict == evaluate script according to filename extension, error if not supported"
1779 show_script_ext_mode
,
1780 &setlist
, &showlist
);
1782 add_com ("quit", class_support
, quit_command
, _("\
1784 Usage: quit [EXPR]\n\
1785 The optional expression EXPR, if present, is evaluated and the result\n\
1786 used as GDB's exit code. The default is zero."));
1787 c
= add_com ("help", class_support
, help_command
,
1788 _("Print list of commands."));
1789 set_cmd_completer (c
, command_completer
);
1790 add_com_alias ("q", "quit", class_support
, 1);
1791 add_com_alias ("h", "help", class_support
, 1);
1793 add_setshow_boolean_cmd ("verbose", class_support
, &info_verbose
, _("\
1794 Set verbosity."), _("\
1795 Show verbosity."), NULL
,
1798 &setlist
, &showlist
);
1800 add_prefix_cmd ("history", class_support
, set_history
,
1801 _("Generic command for setting command history parameters."),
1802 &sethistlist
, "set history ", 0, &setlist
);
1803 add_prefix_cmd ("history", class_support
, show_history
,
1804 _("Generic command for showing command history parameters."),
1805 &showhistlist
, "show history ", 0, &showlist
);
1807 add_setshow_boolean_cmd ("expansion", no_class
, &history_expansion_p
, _("\
1808 Set history expansion on command input."), _("\
1809 Show history expansion on command input."), _("\
1810 Without an argument, history expansion is enabled."),
1812 show_history_expansion_p
,
1813 &sethistlist
, &showhistlist
);
1815 add_prefix_cmd ("info", class_info
, info_command
, _("\
1816 Generic command for showing things about the program being debugged."),
1817 &infolist
, "info ", 0, &cmdlist
);
1818 add_com_alias ("i", "info", class_info
, 1);
1819 add_com_alias ("inf", "info", class_info
, 1);
1821 add_com ("complete", class_obscure
, complete_command
,
1822 _("List the completions for the rest of the line as a command."));
1824 add_prefix_cmd ("show", class_info
, show_command
, _("\
1825 Generic command for showing things about the debugger."),
1826 &showlist
, "show ", 0, &cmdlist
);
1827 /* Another way to get at the same thing. */
1828 add_info ("set", show_command
, _("Show all GDB settings."));
1830 add_cmd ("commands", no_set_class
, show_commands
, _("\
1831 Show the history of commands you typed.\n\
1832 You can supply a command number to start with, or a `+' to start after\n\
1833 the previous command number shown."),
1836 add_cmd ("version", no_set_class
, show_version
,
1837 _("Show what version of GDB this is."), &showlist
);
1839 add_cmd ("configuration", no_set_class
, show_configuration
,
1840 _("Show how GDB was configured at build time."), &showlist
);
1842 add_setshow_zinteger_cmd ("remote", no_class
, &remote_debug
, _("\
1843 Set debugging of remote protocol."), _("\
1844 Show debugging of remote protocol."), _("\
1845 When enabled, each packet sent or received with the remote target\n\
1849 &setdebuglist
, &showdebuglist
);
1851 add_setshow_zuinteger_unlimited_cmd ("remotetimeout", no_class
,
1852 &remote_timeout
, _("\
1853 Set timeout limit to wait for target to respond."), _("\
1854 Show timeout limit to wait for target to respond."), _("\
1855 This value is used to set the time limit for gdb to wait for a response\n\
1858 show_remote_timeout
,
1859 &setlist
, &showlist
);
1861 add_prefix_cmd ("debug", no_class
, set_debug
,
1862 _("Generic command for setting gdb debugging flags"),
1863 &setdebuglist
, "set debug ", 0, &setlist
);
1865 add_prefix_cmd ("debug", no_class
, show_debug
,
1866 _("Generic command for showing gdb debugging flags"),
1867 &showdebuglist
, "show debug ", 0, &showlist
);
1869 c
= add_com ("shell", class_support
, shell_command
, _("\
1870 Execute the rest of the line as a shell command.\n\
1871 With no arguments, run an inferior shell."));
1872 set_cmd_completer (c
, filename_completer
);
1874 c
= add_com ("edit", class_files
, edit_command
, _("\
1875 Edit specified file or function.\n\
1876 With no argument, edits file containing most recent line listed.\n\
1877 Editing targets can be specified in these ways:\n\
1878 FILE:LINENUM, to edit at that line in that file,\n\
1879 FUNCTION, to edit at the beginning of that function,\n\
1880 FILE:FUNCTION, to distinguish among like-named static functions.\n\
1881 *ADDRESS, to edit at the line containing that address.\n\
1882 Uses EDITOR environment variable contents as editor (or ex as default)."));
1884 c
->completer
= location_completer
;
1886 add_com ("list", class_files
, list_command
, _("\
1887 List specified function or line.\n\
1888 With no argument, lists ten more lines after or around previous listing.\n\
1889 \"list -\" lists the ten lines before a previous ten-line listing.\n\
1890 One argument specifies a line, and ten lines are listed around that line.\n\
1891 Two arguments with comma between specify starting and ending lines to list.\n\
1892 Lines can be specified in these ways:\n\
1893 LINENUM, to list around that line in current file,\n\
1894 FILE:LINENUM, to list around that line in that file,\n\
1895 FUNCTION, to list around beginning of that function,\n\
1896 FILE:FUNCTION, to distinguish among like-named static functions.\n\
1897 *ADDRESS, to list around the line containing that address.\n\
1898 With two args, if one is empty, it stands for ten lines away from\n\
1901 By default, when a single location is given, display ten lines.\n\
1902 This can be changed using \"set listsize\", and the current value\n\
1903 can be shown using \"show listsize\"."));
1905 add_com_alias ("l", "list", class_files
, 1);
1908 add_com_alias ("file", "list", class_files
, 1);
1910 c
= add_com ("disassemble", class_vars
, disassemble_command
, _("\
1911 Disassemble a specified section of memory.\n\
1912 Default is the function surrounding the pc of the selected frame.\n\
1914 With a /m modifier, source lines are included (if available).\n\
1915 This view is \"source centric\": the output is in source line order,\n\
1916 regardless of any optimization that is present. Only the main source file\n\
1917 is displayed, not those of, e.g., any inlined functions.\n\
1918 This modifier hasn't proved useful in practice and is deprecated\n\
1921 With a /s modifier, source lines are included (if available).\n\
1922 This differs from /m in two important respects:\n\
1923 - the output is still in pc address order, and\n\
1924 - file names and contents for all relevant source files are displayed.\n\
1926 With a /r modifier, raw instructions in hex are included.\n\
1928 With a single argument, the function surrounding that address is dumped.\n\
1929 Two arguments (separated by a comma) are taken as a range of memory to dump,\n\
1930 in the form of \"start,end\", or \"start,+length\".\n\
1932 Note that the address is interpreted as an expression, not as a location\n\
1933 like in the \"break\" command.\n\
1934 So, for example, if you want to disassemble function bar in file foo.c\n\
1935 you must type \"disassemble 'foo.c'::bar\" and not \"disassemble foo.c:bar\"."));
1936 set_cmd_completer (c
, location_completer
);
1938 add_com_alias ("!", "shell", class_support
, 0);
1940 c
= add_com ("make", class_support
, make_command
, _("\
1941 Run the ``make'' program using the rest of the line as arguments."));
1942 set_cmd_completer (c
, filename_completer
);
1943 add_cmd ("user", no_class
, show_user
, _("\
1944 Show definitions of non-python/scheme user defined commands.\n\
1945 Argument is the name of the user defined command.\n\
1946 With no argument, show definitions of all user defined commands."), &showlist
);
1947 add_com ("apropos", class_support
, apropos_command
,
1948 _("Search for commands matching a REGEXP"));
1950 add_setshow_uinteger_cmd ("max-user-call-depth", no_class
,
1951 &max_user_call_depth
, _("\
1952 Set the max call depth for non-python/scheme user-defined commands."), _("\
1953 Show the max call depth for non-python/scheme user-defined commands."), NULL
,
1955 show_max_user_call_depth
,
1956 &setlist
, &showlist
);
1958 add_setshow_boolean_cmd ("trace-commands", no_class
, &trace_commands
, _("\
1959 Set tracing of GDB CLI commands."), _("\
1960 Show state of GDB CLI command tracing."), _("\
1961 When 'on', each command is displayed as it is executed."),
1964 &setlist
, &showlist
);
1966 c
= add_com ("alias", class_support
, alias_command
, _("\
1967 Define a new command that is an alias of an existing command.\n\
1968 Usage: alias [-a] [--] ALIAS = COMMAND\n\
1969 ALIAS is the name of the alias command to create.\n\
1970 COMMAND is the command being aliased to.\n\
1971 If \"-a\" is specified, the command is an abbreviation,\n\
1972 and will not appear in help command list output.\n\
1975 Make \"spe\" an alias of \"set print elements\":\n\
1976 alias spe = set print elements\n\
1977 Make \"elms\" an alias of \"elements\" in the \"set print\" command:\n\
1978 alias -a set print elms = set print elements"));
1982 init_cli_cmds (void)
1984 struct cmd_list_element
*c
;
1985 char *source_help_text
;
1987 source_help_text
= xstrprintf (_("\
1988 Read commands from a file named FILE.\n\
1990 Usage: source [-s] [-v] FILE\n\
1991 -s: search for the script in the source search path,\n\
1992 even if FILE contains directories.\n\
1993 -v: each command in FILE is echoed as it is executed.\n\
1995 Note that the file \"%s\" is read automatically in this way\n\
1996 when GDB is started."), gdbinit
);
1997 c
= add_cmd ("source", class_support
, source_command
,
1998 source_help_text
, &cmdlist
);
1999 set_cmd_completer (c
, filename_completer
);