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 /* Chain containing all defined "maintenance check" subcommands. */
173 struct cmd_list_element
*maintenancechecklist
;
175 struct cmd_list_element
*setprintlist
;
177 struct cmd_list_element
*showprintlist
;
179 struct cmd_list_element
*setdebuglist
;
181 struct cmd_list_element
*showdebuglist
;
183 struct cmd_list_element
*setchecklist
;
185 struct cmd_list_element
*showchecklist
;
187 /* Command tracing state. */
189 int source_verbose
= 0;
190 int trace_commands
= 0;
192 /* 'script-extension' option support. */
194 static const char script_ext_off
[] = "off";
195 static const char script_ext_soft
[] = "soft";
196 static const char script_ext_strict
[] = "strict";
198 static const char *const script_ext_enums
[] = {
205 static const char *script_ext_mode
= script_ext_soft
;
207 /* Utility used everywhere when at least one argument is needed and
211 error_no_arg (const char *why
)
213 error (_("Argument required (%s)."), why
);
216 /* The "info" command is defined as a prefix, with allow_unknown = 0.
217 Therefore, its own definition is called only for "info" with no
221 info_command (char *arg
, int from_tty
)
223 printf_unfiltered (_("\"info\" must be followed by "
224 "the name of an info command.\n"));
225 help_list (infolist
, "info ", all_commands
, gdb_stdout
);
228 /* The "show" command with no arguments shows all the settings. */
231 show_command (char *arg
, int from_tty
)
233 cmd_show_list (showlist
, from_tty
, "");
236 /* Provide documentation on command or list given by COMMAND. FROM_TTY
240 help_command (char *command
, int from_tty
)
242 help_cmd (command
, gdb_stdout
);
246 /* Note: The "complete" command is used by Emacs to implement completion.
247 [Is that why this function writes output with *_unfiltered?] */
250 complete_command (char *arg_entry
, int from_tty
)
252 const char *arg
= arg_entry
;
256 if (max_completions
== 0)
258 /* Only print this for non-mi frontends. An MI frontend may not
259 be able to handle this. */
260 if (!current_uiout
->is_mi_like_p ())
262 printf_unfiltered (_("max-completions is zero,"
263 " completion is disabled.\n"));
271 completion_tracker tracker_handle_brkchars
;
272 completion_tracker tracker_handle_completions
;
273 completion_tracker
*tracker
;
275 int quote_char
= '\0';
280 word
= completion_find_completion_word (tracker_handle_brkchars
,
283 /* Completers that provide a custom word point in the
284 handle_brkchars phase also compute their completions then.
285 Completers that leave the completion word handling to readline
286 must be called twice. */
287 if (tracker_handle_brkchars
.use_custom_word_point ())
288 tracker
= &tracker_handle_brkchars
;
291 complete_line (tracker_handle_completions
, word
, arg
, strlen (arg
));
292 tracker
= &tracker_handle_completions
;
295 CATCH (ex
, RETURN_MASK_ALL
)
300 std::string
arg_prefix (arg
, word
- arg
);
302 completion_result result
303 = tracker
->build_completion_result (word
, word
- arg
, strlen (arg
));
305 if (result
.number_matches
!= 0)
307 if (result
.number_matches
== 1)
308 printf_unfiltered ("%s%s\n", arg_prefix
.c_str (), result
.match_list
[0]);
311 result
.sort_match_list ();
313 for (size_t i
= 0; i
< result
.number_matches
; i
++)
315 printf_unfiltered ("%s%s",
317 result
.match_list
[i
+ 1]);
319 printf_unfiltered ("%c", quote_char
);
320 printf_unfiltered ("\n");
324 if (result
.number_matches
== max_completions
)
326 /* ARG_PREFIX and WORD are included in the output so that emacs
327 will include the message in the output. */
328 printf_unfiltered (_("%s%s %s\n"),
329 arg_prefix
.c_str (), word
,
330 get_max_completions_reached_message ());
336 is_complete_command (struct cmd_list_element
*c
)
338 return cmd_cfunc_eq (c
, complete_command
);
342 show_version (char *args
, int from_tty
)
344 print_gdb_version (gdb_stdout
);
345 printf_filtered ("\n");
349 show_configuration (char *args
, int from_tty
)
351 print_gdb_configuration (gdb_stdout
);
354 /* Handle the quit command. */
357 quit_command (char *args
, int from_tty
)
361 /* An optional expression may be used to cause gdb to terminate with
362 the value of that expression. */
365 struct value
*val
= parse_and_eval (args
);
367 exit_code
= (int) value_as_long (val
);
370 if (!quit_confirm ())
371 error (_("Not confirmed."));
373 query_if_trace_running (from_tty
);
375 quit_force (args
? &exit_code
: NULL
, from_tty
);
379 pwd_command (char *args
, int from_tty
)
382 error (_("The \"pwd\" command does not take an argument: %s"), args
);
383 if (! getcwd (gdb_dirbuf
, sizeof (gdb_dirbuf
)))
384 error (_("Error finding name of working directory: %s"),
385 safe_strerror (errno
));
387 if (strcmp (gdb_dirbuf
, current_directory
) != 0)
388 printf_unfiltered (_("Working directory %s\n (canonically %s).\n"),
389 current_directory
, gdb_dirbuf
);
391 printf_unfiltered (_("Working directory %s.\n"), current_directory
);
395 cd_command (char *dir
, int from_tty
)
398 /* Found something other than leading repetitions of "/..". */
401 struct cleanup
*cleanup
;
403 /* If the new directory is absolute, repeat is a no-op; if relative,
404 repeat might be useful but is more likely to be a mistake. */
407 dir
= tilde_expand (dir
!= NULL
? dir
: "~");
408 cleanup
= make_cleanup (xfree
, dir
);
411 perror_with_name (dir
);
413 #ifdef HAVE_DOS_BASED_FILE_SYSTEM
414 /* There's too much mess with DOSish names like "d:", "d:.",
415 "d:./foo" etc. Instead of having lots of special #ifdef'ed code,
416 simply get the canonicalized name of the current directory. */
417 dir
= getcwd (gdb_dirbuf
, sizeof (gdb_dirbuf
));
421 if (IS_DIR_SEPARATOR (dir
[len
- 1]))
423 /* Remove the trailing slash unless this is a root directory
424 (including a drive letter on non-Unix systems). */
425 if (!(len
== 1) /* "/" */
426 #ifdef HAVE_DOS_BASED_FILE_SYSTEM
427 && !(len
== 3 && dir
[1] == ':') /* "d:/" */
433 dir
= savestring (dir
, len
);
434 if (IS_ABSOLUTE_PATH (dir
))
435 current_directory
= dir
;
438 if (IS_DIR_SEPARATOR (current_directory
[strlen (current_directory
) - 1]))
439 current_directory
= concat (current_directory
, dir
, (char *)NULL
);
441 current_directory
= concat (current_directory
, SLASH_STRING
,
446 /* Now simplify any occurrences of `.' and `..' in the pathname. */
449 for (p
= current_directory
; *p
;)
451 if (IS_DIR_SEPARATOR (p
[0]) && p
[1] == '.'
452 && (p
[2] == 0 || IS_DIR_SEPARATOR (p
[2])))
453 memmove (p
, p
+ 2, strlen (p
+ 2) + 1);
454 else if (IS_DIR_SEPARATOR (p
[0]) && p
[1] == '.' && p
[2] == '.'
455 && (p
[3] == 0 || IS_DIR_SEPARATOR (p
[3])))
459 /* Search backwards for the directory just before the "/.."
460 and obliterate it and the "/..". */
463 while (q
!= current_directory
&& !IS_DIR_SEPARATOR (q
[-1]))
466 if (q
== current_directory
)
467 /* current_directory is
468 a relative pathname ("can't happen"--leave it alone). */
472 memmove (q
- 1, p
+ 3, strlen (p
+ 3) + 1);
477 /* We are dealing with leading repetitions of "/..", for
478 example "/../..", which is the Mach super-root. */
488 forget_cached_source_info ();
491 pwd_command ((char *) 0, 1);
493 do_cleanups (cleanup
);
496 /* Show the current value of the 'script-extension' option. */
499 show_script_ext_mode (struct ui_file
*file
, int from_tty
,
500 struct cmd_list_element
*c
, const char *value
)
502 fprintf_filtered (file
,
503 _("Script filename extension recognition is \"%s\".\n"),
507 /* Try to open SCRIPT_FILE.
508 If successful, the full path name is stored in *FULL_PATHP,
509 the stream is stored in *STREAMP, and return 1.
510 The caller is responsible for freeing *FULL_PATHP.
511 If not successful, return 0; errno is set for the last file
514 If SEARCH_PATH is non-zero, and the file isn't found in cwd,
515 search for it in the source search path. */
518 find_and_open_script (const char *script_file
, int search_path
,
519 FILE **streamp
, char **full_pathp
)
523 struct cleanup
*old_cleanups
;
524 int search_flags
= OPF_TRY_CWD_FIRST
| OPF_RETURN_REALPATH
;
526 file
= tilde_expand (script_file
);
527 old_cleanups
= make_cleanup (xfree
, file
);
530 search_flags
|= OPF_SEARCH_IN_PATH
;
532 /* Search for and open 'file' on the search path used for source
533 files. Put the full location in *FULL_PATHP. */
534 fd
= openp (source_path
, search_flags
,
535 file
, O_RDONLY
, full_pathp
);
539 int save_errno
= errno
;
540 do_cleanups (old_cleanups
);
545 do_cleanups (old_cleanups
);
547 *streamp
= fdopen (fd
, FOPEN_RT
);
548 if (*streamp
== NULL
)
550 int save_errno
= errno
;
562 /* Load script FILE, which has already been opened as STREAM.
563 FILE_TO_OPEN is the form of FILE to use if one needs to open the file.
564 This is provided as FILE may have been found via the source search path.
565 An important thing to note here is that FILE may be a symlink to a file
566 with a different or non-existing suffix, and thus one cannot infer the
567 extension language from FILE_TO_OPEN. */
570 source_script_from_stream (FILE *stream
, const char *file
,
571 const char *file_to_open
)
573 if (script_ext_mode
!= script_ext_off
)
575 const struct extension_language_defn
*extlang
576 = get_ext_lang_of_file (file
);
580 if (ext_lang_present_p (extlang
))
582 script_sourcer_func
*sourcer
583 = ext_lang_script_sourcer (extlang
);
585 gdb_assert (sourcer
!= NULL
);
586 sourcer (extlang
, stream
, file_to_open
);
589 else if (script_ext_mode
== script_ext_soft
)
591 /* Assume the file is a gdb script.
592 This is handled below. */
595 throw_ext_lang_unsupported (extlang
);
599 script_from_file (stream
, file
);
602 /* Worker to perform the "source" command.
604 If SEARCH_PATH is non-zero, and the file isn't found in cwd,
605 search for it in the source search path. */
608 source_script_with_search (const char *file
, int from_tty
, int search_path
)
612 struct cleanup
*old_cleanups
;
614 if (file
== NULL
|| *file
== 0)
615 error (_("source command requires file name of file to source."));
617 if (!find_and_open_script (file
, search_path
, &stream
, &full_path
))
619 /* The script wasn't found, or was otherwise inaccessible.
620 If the source command was invoked interactively, throw an
621 error. Otherwise (e.g. if it was invoked by a script),
622 just emit a warning, rather than cause an error. */
624 perror_with_name (file
);
627 perror_warning_with_name (file
);
632 old_cleanups
= make_cleanup (xfree
, full_path
);
633 make_cleanup_fclose (stream
);
634 /* The python support reopens the file, so we need to pass full_path here
635 in case the file was found on the search path. It's useful to do this
636 anyway so that error messages show the actual file used. But only do
637 this if we (may have) used search_path, as printing the full path in
638 errors for the non-search case can be more noise than signal. */
639 source_script_from_stream (stream
, file
, search_path
? full_path
: file
);
640 do_cleanups (old_cleanups
);
643 /* Wrapper around source_script_with_search to export it to main.c
644 for use in loading .gdbinit scripts. */
647 source_script (const char *file
, int from_tty
)
649 source_script_with_search (file
, from_tty
, 0);
652 /* Return the source_verbose global variable to its previous state
653 on exit from the source command, by whatever means. */
655 source_verbose_cleanup (void *old_value
)
657 source_verbose
= *(int *)old_value
;
662 source_command (char *args
, int from_tty
)
664 struct cleanup
*old_cleanups
;
666 int *old_source_verbose
= XNEW (int);
669 *old_source_verbose
= source_verbose
;
670 old_cleanups
= make_cleanup (source_verbose_cleanup
,
673 /* -v causes the source command to run in verbose mode.
674 -s causes the file to be searched in the source search path,
675 even if the file name contains a '/'.
676 We still have to be able to handle filenames with spaces in a
677 backward compatible way, so buildargv is not appropriate. */
681 while (args
[0] != '\0')
683 /* Make sure leading white space does not break the
685 args
= skip_spaces (args
);
690 if (args
[1] == 'v' && isspace (args
[2]))
694 /* Skip passed -v. */
697 else if (args
[1] == 's' && isspace (args
[2]))
701 /* Skip passed -s. */
708 file
= skip_spaces (args
);
711 source_script_with_search (file
, from_tty
, search_path
);
713 do_cleanups (old_cleanups
);
718 echo_command (char *text
, int from_tty
)
720 const char *p
= text
;
724 while ((c
= *p
++) != '\0')
728 /* \ at end of argument is used after spaces
729 so they won't be lost. */
733 c
= parse_escape (get_current_arch (), &p
);
735 printf_filtered ("%c", c
);
738 printf_filtered ("%c", c
);
741 /* Force this output to appear now. */
743 gdb_flush (gdb_stdout
);
747 shell_escape (const char *arg
, int from_tty
)
749 #if defined(CANT_FORK) || \
750 (!defined(HAVE_WORKING_VFORK) && !defined(HAVE_WORKING_FORK))
751 /* If ARG is NULL, they want an inferior shell, but `system' just
752 reports if the shell is available when passed a NULL arg. */
753 int rc
= system (arg
? arg
: "");
756 arg
= "inferior shell";
760 fprintf_unfiltered (gdb_stderr
, "Cannot execute %s: %s\n", arg
,
761 safe_strerror (errno
));
762 gdb_flush (gdb_stderr
);
766 fprintf_unfiltered (gdb_stderr
, "%s exited with status %d\n", arg
, rc
);
767 gdb_flush (gdb_stderr
);
770 /* Make sure to return to the directory GDB thinks it is, in case
771 the shell command we just ran changed it. */
772 chdir (current_directory
);
774 #else /* Can fork. */
777 if ((pid
= vfork ()) == 0)
779 const char *p
, *user_shell
;
783 if ((user_shell
= (char *) getenv ("SHELL")) == NULL
)
784 user_shell
= "/bin/sh";
786 /* Get the name of the shell for arg0. */
787 p
= lbasename (user_shell
);
790 execl (user_shell
, p
, (char *) 0);
792 execl (user_shell
, p
, "-c", arg
, (char *) 0);
794 fprintf_unfiltered (gdb_stderr
, "Cannot execute %s: %s\n", user_shell
,
795 safe_strerror (errno
));
796 gdb_flush (gdb_stderr
);
801 waitpid (pid
, &status
, 0);
803 error (_("Fork failed"));
804 #endif /* Can fork. */
807 /* Implementation of the "shell" command. */
810 shell_command (char *arg
, int from_tty
)
812 shell_escape (arg
, from_tty
);
816 edit_command (char *arg
, int from_tty
)
818 struct symtabs_and_lines sals
;
819 struct symtab_and_line sal
;
825 /* Pull in the current default source line if necessary. */
828 set_default_source_symtab_and_line ();
829 sal
= get_current_source_symtab_and_line ();
832 /* Bare "edit" edits file with present line. */
837 error (_("No default source file yet."));
838 sal
.line
+= get_lines_to_list () / 2;
844 /* Now should only be one argument -- decode it in SAL. */
846 event_location_up location
= string_to_event_location (&arg1
,
848 sals
= decode_line_1 (location
.get (), DECODE_LINE_LIST_MODE
,
859 ambiguous_line_spec (&sals
);
868 error (_("Junk at end of line specification."));
870 /* If line was specified by address, first print exactly which
871 line, and which file. In this case, sal.symtab == 0 means
872 address is outside of all known source files, not that user
873 failed to give a filename. */
876 struct gdbarch
*gdbarch
;
879 error (_("No source file for address %s."),
880 paddress (get_current_arch (), sal
.pc
));
882 gdbarch
= get_objfile_arch (SYMTAB_OBJFILE (sal
.symtab
));
883 sym
= find_pc_function (sal
.pc
);
885 printf_filtered ("%s is in %s (%s:%d).\n",
886 paddress (gdbarch
, sal
.pc
),
887 SYMBOL_PRINT_NAME (sym
),
888 symtab_to_filename_for_display (sal
.symtab
),
891 printf_filtered ("%s is at %s:%d.\n",
892 paddress (gdbarch
, sal
.pc
),
893 symtab_to_filename_for_display (sal
.symtab
),
897 /* If what was given does not imply a symtab, it must be an
898 undebuggable symbol which means no source code. */
901 error (_("No line number known for %s."), arg
);
904 if ((editor
= (char *) getenv ("EDITOR")) == NULL
)
907 fn
= symtab_to_fullname (sal
.symtab
);
909 /* Quote the file name, in case it has whitespace or other special
911 p
= xstrprintf ("%s +%d \"%s\"", editor
, sal
.line
, fn
);
912 shell_escape (p
, from_tty
);
917 list_command (char *arg
, int from_tty
)
919 struct symtabs_and_lines sals
, sals_end
;
920 struct symtab_and_line sal
= { 0 };
921 struct symtab_and_line sal_end
= { 0 };
922 struct symtab_and_line cursal
= { 0 };
931 /* Pull in the current default source line if necessary. */
932 if (arg
== NULL
|| ((arg
[0] == '+' || arg
[0] == '-') && arg
[1] == '\0'))
934 set_default_source_symtab_and_line ();
935 cursal
= get_current_source_symtab_and_line ();
937 /* If this is the first "list" since we've set the current
938 source line, center the listing around that line. */
939 if (get_first_line_listed () == 0)
943 first
= std::max (cursal
.line
- get_lines_to_list () / 2, 1);
945 /* A small special case --- if listing backwards, and we
946 should list only one line, list the preceding line,
947 instead of the exact line we've just shown after e.g.,
948 stopping for a breakpoint. */
949 if (arg
!= NULL
&& arg
[0] == '-'
950 && get_lines_to_list () == 1 && first
> 1)
953 print_source_lines (cursal
.symtab
, first
,
954 first
+ get_lines_to_list (), 0);
957 /* "l" or "l +" lists next ten lines. */
958 else if (arg
== NULL
|| arg
[0] == '+')
959 print_source_lines (cursal
.symtab
, cursal
.line
,
960 cursal
.line
+ get_lines_to_list (), 0);
962 /* "l -" lists previous ten lines, the ones before the ten just
964 else if (arg
[0] == '-')
966 if (get_first_line_listed () == 1)
967 error (_("Already at the start of %s."),
968 symtab_to_filename_for_display (cursal
.symtab
));
969 print_source_lines (cursal
.symtab
,
970 std::max (get_first_line_listed ()
971 - get_lines_to_list (), 1),
972 get_first_line_listed (), 0);
978 /* Now if there is only one argument, decode it in SAL
980 If there are two arguments, decode them in SAL and SAL_END
981 and clear NO_END; however, if one of the arguments is blank,
982 set DUMMY_BEG or DUMMY_END to record that fact. */
984 if (!have_full_symbols () && !have_partial_symbols ())
985 error (_("No symbol table is loaded. Use the \"file\" command."));
992 event_location_up location
= string_to_event_location (&arg1
,
994 sals
= decode_line_1 (location
.get (), DECODE_LINE_LIST_MODE
,
1005 ambiguous_line_spec (&sals
);
1014 /* Record whether the BEG arg is all digits. */
1016 for (p
= arg
; p
!= arg1
&& *p
>= '0' && *p
<= '9'; p
++);
1017 linenum_beg
= (p
== arg1
);
1019 while (*arg1
== ' ' || *arg1
== '\t')
1025 while (*arg1
== ' ' || *arg1
== '\t')
1031 event_location_up location
1032 = string_to_event_location (&arg1
, current_language
);
1034 sals_end
= decode_line_1 (location
.get (),
1035 DECODE_LINE_LIST_MODE
, NULL
, NULL
, 0);
1037 sals_end
= decode_line_1 (location
.get (), DECODE_LINE_LIST_MODE
,
1038 NULL
, sal
.symtab
, sal
.line
);
1040 filter_sals (&sals_end
);
1041 if (sals_end
.nelts
== 0)
1043 if (sals_end
.nelts
> 1)
1045 ambiguous_line_spec (&sals_end
);
1046 xfree (sals_end
.sals
);
1049 sal_end
= sals_end
.sals
[0];
1050 xfree (sals_end
.sals
);
1055 error (_("Junk at end of line specification."));
1057 if (!no_end
&& !dummy_beg
&& !dummy_end
1058 && sal
.symtab
!= sal_end
.symtab
)
1059 error (_("Specified start and end are in different files."));
1060 if (dummy_beg
&& dummy_end
)
1061 error (_("Two empty args do not say what lines to list."));
1063 /* If line was specified by address,
1064 first print exactly which line, and which file.
1066 In this case, sal.symtab == 0 means address is outside of all
1067 known source files, not that user failed to give a filename. */
1070 struct gdbarch
*gdbarch
;
1072 if (sal
.symtab
== 0)
1073 error (_("No source file for address %s."),
1074 paddress (get_current_arch (), sal
.pc
));
1076 gdbarch
= get_objfile_arch (SYMTAB_OBJFILE (sal
.symtab
));
1077 sym
= find_pc_function (sal
.pc
);
1079 printf_filtered ("%s is in %s (%s:%d).\n",
1080 paddress (gdbarch
, sal
.pc
),
1081 SYMBOL_PRINT_NAME (sym
),
1082 symtab_to_filename_for_display (sal
.symtab
), sal
.line
);
1084 printf_filtered ("%s is at %s:%d.\n",
1085 paddress (gdbarch
, sal
.pc
),
1086 symtab_to_filename_for_display (sal
.symtab
), sal
.line
);
1089 /* If line was not specified by just a line number, and it does not
1090 imply a symtab, it must be an undebuggable symbol which means no
1093 if (!linenum_beg
&& sal
.symtab
== 0)
1094 error (_("No line number known for %s."), arg
);
1096 /* If this command is repeated with RET,
1097 turn it into the no-arg variant. */
1102 if (dummy_beg
&& sal_end
.symtab
== 0)
1103 error (_("No default source file yet. Do \"help list\"."));
1105 print_source_lines (sal_end
.symtab
,
1106 std::max (sal_end
.line
- (get_lines_to_list () - 1), 1),
1107 sal_end
.line
+ 1, 0);
1108 else if (sal
.symtab
== 0)
1109 error (_("No default source file yet. Do \"help list\"."));
1112 int first_line
= sal
.line
- get_lines_to_list () / 2;
1114 if (first_line
< 1) first_line
= 1;
1116 print_source_lines (sal
.symtab
,
1118 first_line
+ get_lines_to_list (),
1122 print_source_lines (sal
.symtab
, sal
.line
,
1124 ? sal
.line
+ get_lines_to_list ()
1125 : sal_end
.line
+ 1),
1129 /* Subroutine of disassemble_command to simplify it.
1130 Perform the disassembly.
1131 NAME is the name of the function if known, or NULL.
1132 [LOW,HIGH) are the range of addresses to disassemble.
1133 MIXED is non-zero to print source with the assembler. */
1136 print_disassembly (struct gdbarch
*gdbarch
, const char *name
,
1137 CORE_ADDR low
, CORE_ADDR high
, int flags
)
1140 if (!tui_is_window_visible (DISASSEM_WIN
))
1143 printf_filtered ("Dump of assembler code ");
1145 printf_filtered ("for function %s:\n", name
);
1147 printf_filtered ("from %s to %s:\n",
1148 paddress (gdbarch
, low
), paddress (gdbarch
, high
));
1150 /* Dump the specified range. */
1151 gdb_disassembly (gdbarch
, current_uiout
, flags
, -1, low
, high
);
1153 printf_filtered ("End of assembler dump.\n");
1154 gdb_flush (gdb_stdout
);
1159 tui_show_assembly (gdbarch
, low
);
1164 /* Subroutine of disassemble_command to simplify it.
1165 Print a disassembly of the current function according to FLAGS. */
1168 disassemble_current_function (int flags
)
1170 struct frame_info
*frame
;
1171 struct gdbarch
*gdbarch
;
1172 CORE_ADDR low
, high
, pc
;
1175 frame
= get_selected_frame (_("No frame selected."));
1176 gdbarch
= get_frame_arch (frame
);
1177 pc
= get_frame_address_in_block (frame
);
1178 if (find_pc_partial_function (pc
, &name
, &low
, &high
) == 0)
1179 error (_("No function contains program counter for selected frame."));
1181 /* NOTE: cagney/2003-02-13 The `tui_active' was previously
1184 /* FIXME: cagney/2004-02-07: This should be an observer. */
1185 low
= tui_get_low_disassembly_address (gdbarch
, low
, pc
);
1187 low
+= gdbarch_deprecated_function_start_offset (gdbarch
);
1189 print_disassembly (gdbarch
, name
, low
, high
, flags
);
1192 /* Dump a specified section of assembly code.
1196 - dump the assembly code for the function of the current pc
1197 disassemble [/mrs] addr
1198 - dump the assembly code for the function at ADDR
1199 disassemble [/mrs] low,high
1200 disassemble [/mrs] low,+length
1201 - dump the assembly code in the range [LOW,HIGH), or [LOW,LOW+length)
1203 A /m modifier will include source code with the assembly in a
1204 "source centric" view. This view lists only the file of the first insn,
1205 even if other source files are involved (e.g., inlined functions), and
1206 the output is in source order, even with optimized code. This view is
1207 considered deprecated as it hasn't been useful in practice.
1209 A /r modifier will include raw instructions in hex with the assembly.
1211 A /s modifier will include source code with the assembly, like /m, with
1212 two important differences:
1213 1) The output is still in pc address order.
1214 2) File names and contents for all relevant source files are displayed. */
1217 disassemble_command (char *arg
, int from_tty
)
1219 struct gdbarch
*gdbarch
= get_current_arch ();
1220 CORE_ADDR low
, high
;
1235 error (_("Missing modifier."));
1237 while (*p
&& ! isspace (*p
))
1242 flags
|= DISASSEMBLY_SOURCE_DEPRECATED
;
1245 flags
|= DISASSEMBLY_RAW_INSN
;
1248 flags
|= DISASSEMBLY_SOURCE
;
1251 error (_("Invalid disassembly modifier."));
1255 p
= skip_spaces_const (p
);
1258 if ((flags
& (DISASSEMBLY_SOURCE_DEPRECATED
| DISASSEMBLY_SOURCE
))
1259 == (DISASSEMBLY_SOURCE_DEPRECATED
| DISASSEMBLY_SOURCE
))
1260 error (_("Cannot specify both /m and /s."));
1264 flags
|= DISASSEMBLY_OMIT_FNAME
;
1265 disassemble_current_function (flags
);
1269 pc
= value_as_address (parse_to_comma_and_eval (&p
));
1275 if (find_pc_partial_function (pc
, &name
, &low
, &high
) == 0)
1276 error (_("No function contains specified address."));
1278 /* NOTE: cagney/2003-02-13 The `tui_active' was previously
1281 /* FIXME: cagney/2004-02-07: This should be an observer. */
1282 low
= tui_get_low_disassembly_address (gdbarch
, low
, pc
);
1284 low
+= gdbarch_deprecated_function_start_offset (gdbarch
);
1285 flags
|= DISASSEMBLY_OMIT_FNAME
;
1289 /* Two arguments. */
1292 p
= skip_spaces_const (p
);
1298 high
= parse_and_eval_address (p
);
1303 print_disassembly (gdbarch
, name
, low
, high
, flags
);
1307 make_command (char *arg
, int from_tty
)
1310 shell_escape ("make", from_tty
);
1313 std::string cmd
= std::string ("make ") + arg
;
1315 shell_escape (cmd
.c_str (), from_tty
);
1320 show_user (char *args
, int from_tty
)
1322 struct cmd_list_element
*c
;
1323 extern struct cmd_list_element
*cmdlist
;
1327 const char *comname
= args
;
1329 c
= lookup_cmd (&comname
, cmdlist
, "", 0, 1);
1330 if (!cli_user_command_p (c
))
1331 error (_("Not a user command."));
1332 show_user_1 (c
, "", args
, gdb_stdout
);
1336 for (c
= cmdlist
; c
; c
= c
->next
)
1338 if (cli_user_command_p (c
) || c
->prefixlist
!= NULL
)
1339 show_user_1 (c
, "", c
->name
, gdb_stdout
);
1344 /* Search through names of commands and documentations for a certain
1345 regular expression. */
1348 apropos_command (char *searchstr
, int from_tty
)
1350 if (searchstr
== NULL
)
1351 error (_("REGEXP string is empty"));
1353 compiled_regex
pattern (searchstr
, REG_ICASE
,
1354 _("Error in regular expression"));
1356 apropos_cmd (gdb_stdout
, cmdlist
, pattern
, "");
1359 /* Subroutine of alias_command to simplify it.
1360 Return the first N elements of ARGV flattened back to a string
1361 with a space separating each element.
1362 ARGV may not be NULL.
1363 This does not take care of quoting elements in case they contain spaces
1367 argv_to_string (char **argv
, int n
)
1372 gdb_assert (argv
!= NULL
);
1373 gdb_assert (n
>= 0 && n
<= countargv (argv
));
1375 for (i
= 0; i
< n
; ++i
)
1385 /* Subroutine of alias_command to simplify it.
1386 Return TRUE if COMMAND exists, unambiguously. Otherwise FALSE. */
1389 valid_command_p (const char *command
)
1391 struct cmd_list_element
*c
;
1393 c
= lookup_cmd_1 (& command
, cmdlist
, NULL
, 1);
1395 if (c
== NULL
|| c
== (struct cmd_list_element
*) -1)
1398 /* This is the slightly tricky part.
1399 lookup_cmd_1 will return a pointer to the last part of COMMAND
1400 to match, leaving COMMAND pointing at the remainder. */
1401 while (*command
== ' ' || *command
== '\t')
1403 return *command
== '\0';
1406 /* Called when "alias" was incorrectly used. */
1409 alias_usage_error (void)
1411 error (_("Usage: alias [-a] [--] ALIAS = COMMAND"));
1414 /* Make an alias of an existing command. */
1417 alias_command (char *args
, int from_tty
)
1419 int i
, alias_argc
, command_argc
;
1420 int abbrev_flag
= 0;
1421 char *args2
, *equals
;
1422 const char *alias
, *command
;
1423 char **alias_argv
, **command_argv
;
1424 struct cleanup
*cleanup
;
1426 if (args
== NULL
|| strchr (args
, '=') == NULL
)
1427 alias_usage_error ();
1429 args2
= xstrdup (args
);
1430 cleanup
= make_cleanup (xfree
, args2
);
1431 equals
= strchr (args2
, '=');
1433 alias_argv
= gdb_buildargv (args2
);
1434 make_cleanup_freeargv (alias_argv
);
1435 command_argv
= gdb_buildargv (equals
+ 1);
1436 make_cleanup_freeargv (command_argv
);
1438 for (i
= 0; alias_argv
[i
] != NULL
; )
1440 if (strcmp (alias_argv
[i
], "-a") == 0)
1445 else if (strcmp (alias_argv
[i
], "--") == 0)
1454 if (alias_argv
[0] == NULL
|| command_argv
[0] == NULL
1455 || *alias_argv
[0] == '\0' || *command_argv
[0] == '\0')
1456 alias_usage_error ();
1458 for (i
= 0; alias_argv
[i
] != NULL
; ++i
)
1460 if (! valid_user_defined_cmd_name_p (alias_argv
[i
]))
1463 error (_("Invalid command name: %s"), alias_argv
[i
]);
1465 error (_("Invalid command element name: %s"), alias_argv
[i
]);
1469 alias_argc
= countargv (alias_argv
);
1470 command_argc
= countargv (command_argv
);
1472 /* COMMAND must exist.
1473 Reconstruct the command to remove any extraneous spaces,
1474 for better error messages. */
1475 std::string
command_string (argv_to_string (command_argv
, command_argc
));
1476 command
= command_string
.c_str ();
1477 if (! valid_command_p (command
))
1478 error (_("Invalid command to alias to: %s"), command
);
1480 /* ALIAS must not exist. */
1481 std::string
alias_string (argv_to_string (alias_argv
, alias_argc
));
1482 alias
= alias_string
.c_str ();
1483 if (valid_command_p (alias
))
1484 error (_("Alias already exists: %s"), alias
);
1486 /* If ALIAS is one word, it is an alias for the entire COMMAND.
1487 Example: alias spe = set print elements
1489 Otherwise ALIAS and COMMAND must have the same number of words,
1490 and every word except the last must match; and the last word of
1491 ALIAS is made an alias of the last word of COMMAND.
1492 Example: alias set print elms = set pr elem
1493 Note that unambiguous abbreviations are allowed. */
1495 if (alias_argc
== 1)
1497 /* add_cmd requires *we* allocate space for name, hence the xstrdup. */
1498 add_com_alias (xstrdup (alias_argv
[0]), command
, class_alias
,
1503 const char *alias_prefix
, *command_prefix
;
1504 struct cmd_list_element
*c_alias
, *c_command
;
1506 if (alias_argc
!= command_argc
)
1507 error (_("Mismatched command length between ALIAS and COMMAND."));
1509 /* Create copies of ALIAS and COMMAND without the last word,
1510 and use that to verify the leading elements match. */
1511 std::string
alias_prefix_string (argv_to_string (alias_argv
,
1513 std::string
command_prefix_string (argv_to_string (alias_argv
,
1515 alias_prefix
= alias_prefix_string
.c_str ();
1516 command_prefix
= command_prefix_string
.c_str ();
1518 c_command
= lookup_cmd_1 (& command_prefix
, cmdlist
, NULL
, 1);
1519 /* We've already tried to look up COMMAND. */
1520 gdb_assert (c_command
!= NULL
1521 && c_command
!= (struct cmd_list_element
*) -1);
1522 gdb_assert (c_command
->prefixlist
!= NULL
);
1523 c_alias
= lookup_cmd_1 (& alias_prefix
, cmdlist
, NULL
, 1);
1524 if (c_alias
!= c_command
)
1525 error (_("ALIAS and COMMAND prefixes do not match."));
1527 /* add_cmd requires *we* allocate space for name, hence the xstrdup. */
1528 add_alias_cmd (xstrdup (alias_argv
[alias_argc
- 1]),
1529 command_argv
[command_argc
- 1],
1530 class_alias
, abbrev_flag
, c_command
->prefixlist
);
1533 do_cleanups (cleanup
);
1536 /* Print a list of files and line numbers which a user may choose from
1537 in order to list a function which was specified ambiguously (as
1538 with `list classname::overloadedfuncname', for example). The
1539 vector in SALS provides the filenames and line numbers. */
1542 ambiguous_line_spec (struct symtabs_and_lines
*sals
)
1546 for (i
= 0; i
< sals
->nelts
; ++i
)
1547 printf_filtered (_("file: \"%s\", line number: %d\n"),
1548 symtab_to_filename_for_display (sals
->sals
[i
].symtab
),
1549 sals
->sals
[i
].line
);
1552 /* Sort function for filter_sals. */
1555 compare_symtabs (const void *a
, const void *b
)
1557 const struct symtab_and_line
*sala
= (const struct symtab_and_line
*) a
;
1558 const struct symtab_and_line
*salb
= (const struct symtab_and_line
*) b
;
1559 const char *dira
= SYMTAB_DIRNAME (sala
->symtab
);
1560 const char *dirb
= SYMTAB_DIRNAME (salb
->symtab
);
1568 else if (dirb
== NULL
)
1575 r
= filename_cmp (dira
, dirb
);
1580 r
= filename_cmp (sala
->symtab
->filename
, salb
->symtab
->filename
);
1584 if (sala
->line
< salb
->line
)
1586 return sala
->line
== salb
->line
? 0 : 1;
1589 /* Remove any SALs that do not match the current program space, or
1590 which appear to be "file:line" duplicates. */
1593 filter_sals (struct symtabs_and_lines
*sals
)
1598 for (i
= 0; i
< sals
->nelts
; ++i
)
1600 if (sals
->sals
[i
].pspace
== current_program_space
1601 && sals
->sals
[i
].symtab
!= NULL
)
1603 sals
->sals
[out
] = sals
->sals
[i
];
1609 qsort (sals
->sals
, sals
->nelts
, sizeof (struct symtab_and_line
),
1614 for (i
= 1; i
< sals
->nelts
; ++i
)
1616 if (compare_symtabs (&sals
->sals
[prev
], &sals
->sals
[i
]))
1618 /* Symtabs differ. */
1619 sals
->sals
[out
] = sals
->sals
[i
];
1625 if (sals
->nelts
== 0)
1635 set_debug (char *arg
, int from_tty
)
1637 printf_unfiltered (_("\"set debug\" must be followed by "
1638 "the name of a debug subcommand.\n"));
1639 help_list (setdebuglist
, "set debug ", all_commands
, gdb_stdout
);
1643 show_debug (char *args
, int from_tty
)
1645 cmd_show_list (showdebuglist
, from_tty
, "");
1649 init_cmd_lists (void)
1651 max_user_call_depth
= 1024;
1655 show_info_verbose (struct ui_file
*file
, int from_tty
,
1656 struct cmd_list_element
*c
,
1660 fprintf_filtered (file
,
1661 _("Verbose printing of informational messages is %s.\n"),
1664 fprintf_filtered (file
, _("Verbosity is %s.\n"), value
);
1668 show_history_expansion_p (struct ui_file
*file
, int from_tty
,
1669 struct cmd_list_element
*c
, const char *value
)
1671 fprintf_filtered (file
, _("History expansion on command input is %s.\n"),
1676 show_remote_debug (struct ui_file
*file
, int from_tty
,
1677 struct cmd_list_element
*c
, const char *value
)
1679 fprintf_filtered (file
, _("Debugging of remote protocol is %s.\n"),
1684 show_remote_timeout (struct ui_file
*file
, int from_tty
,
1685 struct cmd_list_element
*c
, const char *value
)
1687 fprintf_filtered (file
,
1688 _("Timeout limit to wait for target to respond is %s.\n"),
1693 show_max_user_call_depth (struct ui_file
*file
, int from_tty
,
1694 struct cmd_list_element
*c
, const char *value
)
1696 fprintf_filtered (file
,
1697 _("The max call depth for user-defined commands is %s.\n"),
1703 initialize_file_ftype _initialize_cli_cmds
;
1706 _initialize_cli_cmds (void)
1708 struct cmd_list_element
*c
;
1710 /* Define the classes of commands.
1711 They will appear in the help list in alphabetical order. */
1713 add_cmd ("internals", class_maintenance
, NULL
, _("\
1714 Maintenance commands.\n\
1715 Some gdb commands are provided just for use by gdb maintainers.\n\
1716 These commands are subject to frequent change, and may not be as\n\
1717 well documented as user commands."),
1719 add_cmd ("obscure", class_obscure
, NULL
, _("Obscure features."), &cmdlist
);
1720 add_cmd ("aliases", class_alias
, NULL
,
1721 _("Aliases of other commands."), &cmdlist
);
1722 add_cmd ("user-defined", class_user
, NULL
, _("\
1723 User-defined commands.\n\
1724 The commands in this class are those defined by the user.\n\
1725 Use the \"define\" command to define a command."), &cmdlist
);
1726 add_cmd ("support", class_support
, NULL
, _("Support facilities."), &cmdlist
);
1728 add_cmd ("status", class_info
, NULL
, _("Status inquiries."), &cmdlist
);
1729 add_cmd ("files", class_files
, NULL
, _("Specifying and examining files."),
1731 add_cmd ("breakpoints", class_breakpoint
, NULL
,
1732 _("Making program stop at certain points."), &cmdlist
);
1733 add_cmd ("data", class_vars
, NULL
, _("Examining data."), &cmdlist
);
1734 add_cmd ("stack", class_stack
, NULL
, _("\
1735 Examining the stack.\n\
1736 The stack is made up of stack frames. Gdb assigns numbers to stack frames\n\
1737 counting from zero for the innermost (currently executing) frame.\n\n\
1738 At any time gdb identifies one frame as the \"selected\" frame.\n\
1739 Variable lookups are done with respect to the selected frame.\n\
1740 When the program being debugged stops, gdb selects the innermost frame.\n\
1741 The commands below can be used to select other frames by number or address."),
1743 add_cmd ("running", class_run
, NULL
, _("Running the program."), &cmdlist
);
1745 /* Define general commands. */
1747 add_com ("pwd", class_files
, pwd_command
, _("\
1748 Print working directory. This is used for your program as well."));
1750 c
= add_cmd ("cd", class_files
, cd_command
, _("\
1751 Set working directory to DIR for debugger and program being debugged.\n\
1752 The change does not take effect for the program being debugged\n\
1753 until the next time it is started."), &cmdlist
);
1754 set_cmd_completer (c
, filename_completer
);
1756 add_com ("echo", class_support
, echo_command
, _("\
1757 Print a constant string. Give string as argument.\n\
1758 C escape sequences may be used in the argument.\n\
1759 No newline is added at the end of the argument;\n\
1760 use \"\\n\" if you want a newline to be printed.\n\
1761 Since leading and trailing whitespace are ignored in command arguments,\n\
1762 if you want to print some you must use \"\\\" before leading whitespace\n\
1763 to be printed or after trailing whitespace."));
1765 add_setshow_enum_cmd ("script-extension", class_support
,
1766 script_ext_enums
, &script_ext_mode
, _("\
1767 Set mode for script filename extension recognition."), _("\
1768 Show mode for script filename extension recognition."), _("\
1769 off == no filename extension recognition (all sourced files are GDB scripts)\n\
1770 soft == evaluate script according to filename extension, fallback to GDB script"
1772 strict == evaluate script according to filename extension, error if not supported"
1775 show_script_ext_mode
,
1776 &setlist
, &showlist
);
1778 add_com ("quit", class_support
, quit_command
, _("\
1780 Usage: quit [EXPR]\n\
1781 The optional expression EXPR, if present, is evaluated and the result\n\
1782 used as GDB's exit code. The default is zero."));
1783 c
= add_com ("help", class_support
, help_command
,
1784 _("Print list of commands."));
1785 set_cmd_completer (c
, command_completer
);
1786 add_com_alias ("q", "quit", class_support
, 1);
1787 add_com_alias ("h", "help", class_support
, 1);
1789 add_setshow_boolean_cmd ("verbose", class_support
, &info_verbose
, _("\
1790 Set verbosity."), _("\
1791 Show verbosity."), NULL
,
1794 &setlist
, &showlist
);
1796 add_prefix_cmd ("history", class_support
, set_history
,
1797 _("Generic command for setting command history parameters."),
1798 &sethistlist
, "set history ", 0, &setlist
);
1799 add_prefix_cmd ("history", class_support
, show_history
,
1800 _("Generic command for showing command history parameters."),
1801 &showhistlist
, "show history ", 0, &showlist
);
1803 add_setshow_boolean_cmd ("expansion", no_class
, &history_expansion_p
, _("\
1804 Set history expansion on command input."), _("\
1805 Show history expansion on command input."), _("\
1806 Without an argument, history expansion is enabled."),
1808 show_history_expansion_p
,
1809 &sethistlist
, &showhistlist
);
1811 add_prefix_cmd ("info", class_info
, info_command
, _("\
1812 Generic command for showing things about the program being debugged."),
1813 &infolist
, "info ", 0, &cmdlist
);
1814 add_com_alias ("i", "info", class_info
, 1);
1815 add_com_alias ("inf", "info", class_info
, 1);
1817 add_com ("complete", class_obscure
, complete_command
,
1818 _("List the completions for the rest of the line as a command."));
1820 add_prefix_cmd ("show", class_info
, show_command
, _("\
1821 Generic command for showing things about the debugger."),
1822 &showlist
, "show ", 0, &cmdlist
);
1823 /* Another way to get at the same thing. */
1824 add_info ("set", show_command
, _("Show all GDB settings."));
1826 add_cmd ("commands", no_set_class
, show_commands
, _("\
1827 Show the history of commands you typed.\n\
1828 You can supply a command number to start with, or a `+' to start after\n\
1829 the previous command number shown."),
1832 add_cmd ("version", no_set_class
, show_version
,
1833 _("Show what version of GDB this is."), &showlist
);
1835 add_cmd ("configuration", no_set_class
, show_configuration
,
1836 _("Show how GDB was configured at build time."), &showlist
);
1838 add_setshow_zinteger_cmd ("remote", no_class
, &remote_debug
, _("\
1839 Set debugging of remote protocol."), _("\
1840 Show debugging of remote protocol."), _("\
1841 When enabled, each packet sent or received with the remote target\n\
1845 &setdebuglist
, &showdebuglist
);
1847 add_setshow_zuinteger_unlimited_cmd ("remotetimeout", no_class
,
1848 &remote_timeout
, _("\
1849 Set timeout limit to wait for target to respond."), _("\
1850 Show timeout limit to wait for target to respond."), _("\
1851 This value is used to set the time limit for gdb to wait for a response\n\
1854 show_remote_timeout
,
1855 &setlist
, &showlist
);
1857 add_prefix_cmd ("debug", no_class
, set_debug
,
1858 _("Generic command for setting gdb debugging flags"),
1859 &setdebuglist
, "set debug ", 0, &setlist
);
1861 add_prefix_cmd ("debug", no_class
, show_debug
,
1862 _("Generic command for showing gdb debugging flags"),
1863 &showdebuglist
, "show debug ", 0, &showlist
);
1865 c
= add_com ("shell", class_support
, shell_command
, _("\
1866 Execute the rest of the line as a shell command.\n\
1867 With no arguments, run an inferior shell."));
1868 set_cmd_completer (c
, filename_completer
);
1870 c
= add_com ("edit", class_files
, edit_command
, _("\
1871 Edit specified file or function.\n\
1872 With no argument, edits file containing most recent line listed.\n\
1873 Editing targets can be specified in these ways:\n\
1874 FILE:LINENUM, to edit at that line in that file,\n\
1875 FUNCTION, to edit at the beginning of that function,\n\
1876 FILE:FUNCTION, to distinguish among like-named static functions.\n\
1877 *ADDRESS, to edit at the line containing that address.\n\
1878 Uses EDITOR environment variable contents as editor (or ex as default)."));
1880 c
->completer
= location_completer
;
1882 add_com ("list", class_files
, list_command
, _("\
1883 List specified function or line.\n\
1884 With no argument, lists ten more lines after or around previous listing.\n\
1885 \"list -\" lists the ten lines before a previous ten-line listing.\n\
1886 One argument specifies a line, and ten lines are listed around that line.\n\
1887 Two arguments with comma between specify starting and ending lines to list.\n\
1888 Lines can be specified in these ways:\n\
1889 LINENUM, to list around that line in current file,\n\
1890 FILE:LINENUM, to list around that line in that file,\n\
1891 FUNCTION, to list around beginning of that function,\n\
1892 FILE:FUNCTION, to distinguish among like-named static functions.\n\
1893 *ADDRESS, to list around the line containing that address.\n\
1894 With two args, if one is empty, it stands for ten lines away from\n\
1897 By default, when a single location is given, display ten lines.\n\
1898 This can be changed using \"set listsize\", and the current value\n\
1899 can be shown using \"show listsize\"."));
1901 add_com_alias ("l", "list", class_files
, 1);
1904 add_com_alias ("file", "list", class_files
, 1);
1906 c
= add_com ("disassemble", class_vars
, disassemble_command
, _("\
1907 Disassemble a specified section of memory.\n\
1908 Default is the function surrounding the pc of the selected frame.\n\
1910 With a /m modifier, source lines are included (if available).\n\
1911 This view is \"source centric\": the output is in source line order,\n\
1912 regardless of any optimization that is present. Only the main source file\n\
1913 is displayed, not those of, e.g., any inlined functions.\n\
1914 This modifier hasn't proved useful in practice and is deprecated\n\
1917 With a /s modifier, source lines are included (if available).\n\
1918 This differs from /m in two important respects:\n\
1919 - the output is still in pc address order, and\n\
1920 - file names and contents for all relevant source files are displayed.\n\
1922 With a /r modifier, raw instructions in hex are included.\n\
1924 With a single argument, the function surrounding that address is dumped.\n\
1925 Two arguments (separated by a comma) are taken as a range of memory to dump,\n\
1926 in the form of \"start,end\", or \"start,+length\".\n\
1928 Note that the address is interpreted as an expression, not as a location\n\
1929 like in the \"break\" command.\n\
1930 So, for example, if you want to disassemble function bar in file foo.c\n\
1931 you must type \"disassemble 'foo.c'::bar\" and not \"disassemble foo.c:bar\"."));
1932 set_cmd_completer (c
, location_completer
);
1934 add_com_alias ("!", "shell", class_support
, 0);
1936 c
= add_com ("make", class_support
, make_command
, _("\
1937 Run the ``make'' program using the rest of the line as arguments."));
1938 set_cmd_completer (c
, filename_completer
);
1939 add_cmd ("user", no_class
, show_user
, _("\
1940 Show definitions of non-python/scheme user defined commands.\n\
1941 Argument is the name of the user defined command.\n\
1942 With no argument, show definitions of all user defined commands."), &showlist
);
1943 add_com ("apropos", class_support
, apropos_command
,
1944 _("Search for commands matching a REGEXP"));
1946 add_setshow_uinteger_cmd ("max-user-call-depth", no_class
,
1947 &max_user_call_depth
, _("\
1948 Set the max call depth for non-python/scheme user-defined commands."), _("\
1949 Show the max call depth for non-python/scheme user-defined commands."), NULL
,
1951 show_max_user_call_depth
,
1952 &setlist
, &showlist
);
1954 add_setshow_boolean_cmd ("trace-commands", no_class
, &trace_commands
, _("\
1955 Set tracing of GDB CLI commands."), _("\
1956 Show state of GDB CLI command tracing."), _("\
1957 When 'on', each command is displayed as it is executed."),
1960 &setlist
, &showlist
);
1962 c
= add_com ("alias", class_support
, alias_command
, _("\
1963 Define a new command that is an alias of an existing command.\n\
1964 Usage: alias [-a] [--] ALIAS = COMMAND\n\
1965 ALIAS is the name of the alias command to create.\n\
1966 COMMAND is the command being aliased to.\n\
1967 If \"-a\" is specified, the command is an abbreviation,\n\
1968 and will not appear in help command list output.\n\
1971 Make \"spe\" an alias of \"set print elements\":\n\
1972 alias spe = set print elements\n\
1973 Make \"elms\" an alias of \"elements\" in the \"set print\" command:\n\
1974 alias -a set print elms = set print elements"));
1978 init_cli_cmds (void)
1980 struct cmd_list_element
*c
;
1981 char *source_help_text
;
1983 source_help_text
= xstrprintf (_("\
1984 Read commands from a file named FILE.\n\
1986 Usage: source [-s] [-v] FILE\n\
1987 -s: search for the script in the source search path,\n\
1988 even if FILE contains directories.\n\
1989 -v: each command in FILE is echoed as it is executed.\n\
1991 Note that the file \"%s\" is read automatically in this way\n\
1992 when GDB is started."), gdbinit
);
1993 c
= add_cmd ("source", class_support
, source_command
,
1994 source_help_text
, &cmdlist
);
1995 set_cmd_completer (c
, filename_completer
);