3 Copyright (C) 2000-2005, 2007-2012 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 "exceptions.h"
22 #include "arch-utils.h"
23 #include "dyn-string.h"
24 #include "readline/readline.h"
25 #include "readline/tilde.h"
26 #include "completer.h"
27 #include "target.h" /* For baud_rate, remote_debug and remote_timeout. */
28 #include "gdb_wait.h" /* For shell escape implementation. */
29 #include "gdb_regex.h" /* Used by apropos_command. */
30 #include "gdb_string.h"
31 #include "gdb_vfork.h"
33 #include "expression.h"
37 #include "filenames.h" /* For DOSish file names. */
41 #include "tracepoint.h"
46 #include "cli/cli-decode.h"
47 #include "cli/cli-script.h"
48 #include "cli/cli-setshow.h"
49 #include "cli/cli-cmds.h"
51 #include "python/python.h"
54 #include "tui/tui.h" /* For tui_active et.al. */
59 /* Prototypes for local command functions */
61 static void complete_command (char *, int);
63 static void echo_command (char *, int);
65 static void pwd_command (char *, int);
67 static void show_version (char *, int);
69 static void help_command (char *, int);
71 static void show_command (char *, int);
73 static void info_command (char *, int);
75 static void show_debug (char *, int);
77 static void set_debug (char *, int);
79 static void show_user (char *, int);
81 static void make_command (char *, int);
83 static void shell_escape (char *, int);
85 static void edit_command (char *, int);
87 static void list_command (char *, int);
89 void apropos_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 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 toggle subcommands. */
121 struct cmd_list_element
*togglelist
;
123 /* Chain containing all defined stop subcommands. */
125 struct cmd_list_element
*stoplist
;
127 /* Chain containing all defined delete subcommands. */
129 struct cmd_list_element
*deletelist
;
131 /* Chain containing all defined detach subcommands. */
133 struct cmd_list_element
*detachlist
;
135 /* Chain containing all defined kill subcommands. */
137 struct cmd_list_element
*killlist
;
139 /* Chain containing all defined "enable breakpoint" subcommands. */
141 struct cmd_list_element
*enablebreaklist
;
143 /* Chain containing all defined set subcommands */
145 struct cmd_list_element
*setlist
;
147 /* Chain containing all defined unset subcommands */
149 struct cmd_list_element
*unsetlist
;
151 /* Chain containing all defined show subcommands. */
153 struct cmd_list_element
*showlist
;
155 /* Chain containing all defined \"set history\". */
157 struct cmd_list_element
*sethistlist
;
159 /* Chain containing all defined \"show history\". */
161 struct cmd_list_element
*showhistlist
;
163 /* Chain containing all defined \"unset history\". */
165 struct cmd_list_element
*unsethistlist
;
167 /* Chain containing all defined maintenance subcommands. */
169 struct cmd_list_element
*maintenancelist
;
171 /* Chain containing all defined "maintenance info" subcommands. */
173 struct cmd_list_element
*maintenanceinfolist
;
175 /* Chain containing all defined "maintenance print" subcommands. */
177 struct cmd_list_element
*maintenanceprintlist
;
179 struct cmd_list_element
*setprintlist
;
181 struct cmd_list_element
*showprintlist
;
183 struct cmd_list_element
*setdebuglist
;
185 struct cmd_list_element
*showdebuglist
;
187 struct cmd_list_element
*setchecklist
;
189 struct cmd_list_element
*showchecklist
;
191 struct cmd_list_element
*skiplist
;
193 /* Command tracing state. */
195 int source_verbose
= 0;
196 int trace_commands
= 0;
198 /* 'script-extension' option support. */
200 static const char script_ext_off
[] = "off";
201 static const char script_ext_soft
[] = "soft";
202 static const char script_ext_strict
[] = "strict";
204 static const char *script_ext_enums
[] = {
211 static const char *script_ext_mode
= script_ext_soft
;
213 /* Utility used everywhere when at least one argument is needed and
217 error_no_arg (char *why
)
219 error (_("Argument required (%s)."), why
);
222 /* The "info" command is defined as a prefix, with allow_unknown = 0.
223 Therefore, its own definition is called only for "info" with no
227 info_command (char *arg
, int from_tty
)
229 printf_unfiltered (_("\"info\" must be followed by "
230 "the name of an info command.\n"));
231 help_list (infolist
, "info ", -1, gdb_stdout
);
234 /* The "show" command with no arguments shows all the settings. */
237 show_command (char *arg
, int from_tty
)
239 cmd_show_list (showlist
, from_tty
, "");
242 /* Provide documentation on command or list given by COMMAND. FROM_TTY
246 help_command (char *command
, int from_tty
)
248 help_cmd (command
, gdb_stdout
);
251 /* The "complete" command is used by Emacs to implement completion. */
254 complete_command (char *arg
, int from_tty
)
257 char **completions
, *point
, *arg_prefix
;
263 argpoint
= strlen (arg
);
265 /* complete_line assumes that its first argument is somewhere
266 within, and except for filenames at the beginning of, the word to
267 be completed. The following crude imitation of readline's
268 word-breaking tries to accomodate this. */
269 point
= arg
+ argpoint
;
272 if (strchr (rl_completer_word_break_characters
, point
[-1]) != 0)
277 arg_prefix
= alloca (point
- arg
+ 1);
278 memcpy (arg_prefix
, arg
, point
- arg
);
279 arg_prefix
[point
- arg
] = 0;
281 completions
= complete_line (point
, arg
, argpoint
);
287 for (size
= 0; completions
[size
]; ++size
)
289 qsort (completions
, size
, sizeof (char *), compare_strings
);
291 /* We do extra processing here since we only want to print each
298 printf_unfiltered ("%s%s\n", arg_prefix
, completions
[item
]);
299 next_item
= item
+ 1;
300 while (next_item
< size
301 && ! strcmp (completions
[item
], completions
[next_item
]))
303 xfree (completions
[next_item
]);
307 xfree (completions
[item
]);
316 is_complete_command (struct cmd_list_element
*c
)
318 return cmd_cfunc_eq (c
, complete_command
);
322 show_version (char *args
, int from_tty
)
325 print_gdb_version (gdb_stdout
);
326 printf_filtered ("\n");
330 /* Handle the quit command. */
333 quit_command (char *args
, int from_tty
)
335 if (!quit_confirm ())
336 error (_("Not confirmed."));
338 disconnect_tracing (from_tty
);
340 quit_force (args
, from_tty
);
344 pwd_command (char *args
, int from_tty
)
347 error (_("The \"pwd\" command does not take an argument: %s"), args
);
348 if (! getcwd (gdb_dirbuf
, sizeof (gdb_dirbuf
)))
349 error (_("Error finding name of working directory: %s"),
350 safe_strerror (errno
));
352 if (strcmp (gdb_dirbuf
, current_directory
) != 0)
353 printf_unfiltered (_("Working directory %s\n (canonically %s).\n"),
354 current_directory
, gdb_dirbuf
);
356 printf_unfiltered (_("Working directory %s.\n"), current_directory
);
360 cd_command (char *dir
, int from_tty
)
363 /* Found something other than leading repetitions of "/..". */
367 /* If the new directory is absolute, repeat is a no-op; if relative,
368 repeat might be useful but is more likely to be a mistake. */
372 error_no_arg (_("new working directory"));
374 dir
= tilde_expand (dir
);
375 make_cleanup (xfree
, dir
);
378 perror_with_name (dir
);
380 #ifdef HAVE_DOS_BASED_FILE_SYSTEM
381 /* There's too much mess with DOSish names like "d:", "d:.",
382 "d:./foo" etc. Instead of having lots of special #ifdef'ed code,
383 simply get the canonicalized name of the current directory. */
384 dir
= getcwd (gdb_dirbuf
, sizeof (gdb_dirbuf
));
388 if (IS_DIR_SEPARATOR (dir
[len
- 1]))
390 /* Remove the trailing slash unless this is a root directory
391 (including a drive letter on non-Unix systems). */
392 if (!(len
== 1) /* "/" */
393 #ifdef HAVE_DOS_BASED_FILE_SYSTEM
394 && !(len
== 3 && dir
[1] == ':') /* "d:/" */
400 dir
= savestring (dir
, len
);
401 if (IS_ABSOLUTE_PATH (dir
))
402 current_directory
= dir
;
405 if (IS_DIR_SEPARATOR (current_directory
[strlen (current_directory
) - 1]))
406 current_directory
= concat (current_directory
, dir
, (char *)NULL
);
408 current_directory
= concat (current_directory
, SLASH_STRING
,
413 /* Now simplify any occurrences of `.' and `..' in the pathname. */
416 for (p
= current_directory
; *p
;)
418 if (IS_DIR_SEPARATOR (p
[0]) && p
[1] == '.'
419 && (p
[2] == 0 || IS_DIR_SEPARATOR (p
[2])))
421 else if (IS_DIR_SEPARATOR (p
[0]) && p
[1] == '.' && p
[2] == '.'
422 && (p
[3] == 0 || IS_DIR_SEPARATOR (p
[3])))
426 /* Search backwards for the directory just before the "/.."
427 and obliterate it and the "/..". */
430 while (q
!= current_directory
&& !IS_DIR_SEPARATOR (q
[-1]))
433 if (q
== current_directory
)
434 /* current_directory is
435 a relative pathname ("can't happen"--leave it alone). */
439 strcpy (q
- 1, p
+ 3);
444 /* We are dealing with leading repetitions of "/..", for
445 example "/../..", which is the Mach super-root. */
455 forget_cached_source_info ();
458 pwd_command ((char *) 0, 1);
461 /* Show the current value of the 'script-extension' option. */
464 show_script_ext_mode (struct ui_file
*file
, int from_tty
,
465 struct cmd_list_element
*c
, const char *value
)
467 fprintf_filtered (file
,
468 _("Script filename extension recognition is \"%s\".\n"),
472 /* Try to open SCRIPT_FILE.
473 If successful, the full path name is stored in *FULL_PATHP,
474 the stream is stored in *STREAMP, and return 1.
475 The caller is responsible for freeing *FULL_PATHP.
476 If not successful, return 0; errno is set for the last file
479 If SEARCH_PATH is non-zero, and the file isn't found in cwd,
480 search for it in the source search path.
482 NOTE: This calls openp which uses xfullpath to compute the full path
483 instead of gdb_realpath. Symbolic links are not resolved. */
486 find_and_open_script (const char *script_file
, int search_path
,
487 FILE **streamp
, char **full_pathp
)
491 struct cleanup
*old_cleanups
;
492 int search_flags
= OPF_TRY_CWD_FIRST
;
494 file
= tilde_expand (script_file
);
495 old_cleanups
= make_cleanup (xfree
, file
);
498 search_flags
|= OPF_SEARCH_IN_PATH
;
500 /* Search for and open 'file' on the search path used for source
501 files. Put the full location in *FULL_PATHP. */
502 fd
= openp (source_path
, search_flags
,
503 file
, O_RDONLY
, full_pathp
);
507 int save_errno
= errno
;
508 do_cleanups (old_cleanups
);
513 do_cleanups (old_cleanups
);
515 *streamp
= fdopen (fd
, FOPEN_RT
);
516 if (*streamp
== NULL
)
518 int save_errno
= errno
;
530 /* Load script FILE, which has already been opened as STREAM. */
533 source_script_from_stream (FILE *stream
, const char *file
)
535 if (script_ext_mode
!= script_ext_off
536 && strlen (file
) > 3 && !strcmp (&file
[strlen (file
) - 3], ".py"))
538 volatile struct gdb_exception e
;
540 TRY_CATCH (e
, RETURN_MASK_ERROR
)
542 /* The python support reopens the file using python functions,
543 so there's no point in passing STREAM here. */
544 source_python_script (file
);
548 /* Should we fallback to ye olde GDB script mode? */
549 if (script_ext_mode
== script_ext_soft
550 && e
.reason
== RETURN_ERROR
&& e
.error
== UNSUPPORTED_ERROR
)
552 fseek (stream
, 0, SEEK_SET
);
553 script_from_file (stream
, (char*) file
);
557 /* Nope, just punt. */
563 script_from_file (stream
, file
);
566 /* Worker to perform the "source" command.
568 If SEARCH_PATH is non-zero, and the file isn't found in cwd,
569 search for it in the source search path. */
572 source_script_with_search (const char *file
, int from_tty
, int search_path
)
576 struct cleanup
*old_cleanups
;
578 if (file
== NULL
|| *file
== 0)
579 error (_("source command requires file name of file to source."));
581 if (!find_and_open_script (file
, search_path
, &stream
, &full_path
))
583 /* The script wasn't found, or was otherwise inaccessible.
584 If the source command was invoked interactively, throw an
585 error. Otherwise (e.g. if it was invoked by a script),
586 silently ignore the error. */
588 perror_with_name (file
);
593 old_cleanups
= make_cleanup (xfree
, full_path
);
594 make_cleanup_fclose (stream
);
595 /* The python support reopens the file, so we need to pass full_path here
596 in case the file was found on the search path. It's useful to do this
597 anyway so that error messages show the actual file used. But only do
598 this if we (may have) used search_path, as printing the full path in
599 errors for the non-search case can be more noise than signal. */
600 source_script_from_stream (stream
, search_path
? full_path
: file
);
601 do_cleanups (old_cleanups
);
604 /* Wrapper around source_script_with_search to export it to main.c
605 for use in loading .gdbinit scripts. */
608 source_script (char *file
, int from_tty
)
610 source_script_with_search (file
, from_tty
, 0);
613 /* Return the source_verbose global variable to its previous state
614 on exit from the source command, by whatever means. */
616 source_verbose_cleanup (void *old_value
)
618 source_verbose
= *(int *)old_value
;
623 source_command (char *args
, int from_tty
)
625 struct cleanup
*old_cleanups
;
627 int *old_source_verbose
= xmalloc (sizeof(int));
630 *old_source_verbose
= source_verbose
;
631 old_cleanups
= make_cleanup (source_verbose_cleanup
,
634 /* -v causes the source command to run in verbose mode.
635 -s causes the file to be searched in the source search path,
636 even if the file name contains a '/'.
637 We still have to be able to handle filenames with spaces in a
638 backward compatible way, so buildargv is not appropriate. */
642 while (args
[0] != '\0')
644 /* Make sure leading white space does not break the
646 while (isspace(args
[0]))
652 if (args
[1] == 'v' && isspace (args
[2]))
656 /* Skip passed -v. */
659 else if (args
[1] == 's' && isspace (args
[2]))
663 /* Skip passed -s. */
670 while (isspace (args
[0]))
675 source_script_with_search (file
, from_tty
, search_path
);
677 do_cleanups (old_cleanups
);
682 echo_command (char *text
, int from_tty
)
688 while ((c
= *p
++) != '\0')
692 /* \ at end of argument is used after spaces
693 so they won't be lost. */
697 c
= parse_escape (get_current_arch (), &p
);
699 printf_filtered ("%c", c
);
702 printf_filtered ("%c", c
);
705 /* Force this output to appear now. */
707 gdb_flush (gdb_stdout
);
711 shell_escape (char *arg
, int from_tty
)
713 #if defined(CANT_FORK) || \
714 (!defined(HAVE_WORKING_VFORK) && !defined(HAVE_WORKING_FORK))
715 /* If ARG is NULL, they want an inferior shell, but `system' just
716 reports if the shell is available when passed a NULL arg. */
717 int rc
= system (arg
? arg
: "");
720 arg
= "inferior shell";
724 fprintf_unfiltered (gdb_stderr
, "Cannot execute %s: %s\n", arg
,
725 safe_strerror (errno
));
726 gdb_flush (gdb_stderr
);
730 fprintf_unfiltered (gdb_stderr
, "%s exited with status %d\n", arg
, rc
);
731 gdb_flush (gdb_stderr
);
734 /* Make sure to return to the directory GDB thinks it is, in case
735 the shell command we just ran changed it. */
736 chdir (current_directory
);
738 #else /* Can fork. */
741 if ((pid
= vfork ()) == 0)
743 const char *p
, *user_shell
;
745 if ((user_shell
= (char *) getenv ("SHELL")) == NULL
)
746 user_shell
= "/bin/sh";
748 /* Get the name of the shell for arg0. */
749 p
= lbasename (user_shell
);
752 execl (user_shell
, p
, (char *) 0);
754 execl (user_shell
, p
, "-c", arg
, (char *) 0);
756 fprintf_unfiltered (gdb_stderr
, "Cannot execute %s: %s\n", user_shell
,
757 safe_strerror (errno
));
758 gdb_flush (gdb_stderr
);
763 waitpid (pid
, &status
, 0);
765 error (_("Fork failed"));
766 #endif /* Can fork. */
770 edit_command (char *arg
, int from_tty
)
772 struct symtabs_and_lines sals
;
773 struct symtab_and_line sal
;
779 /* Pull in the current default source line if necessary. */
782 set_default_source_symtab_and_line ();
783 sal
= get_current_source_symtab_and_line ();
786 /* Bare "edit" edits file with present line. */
791 error (_("No default source file yet."));
792 sal
.line
+= get_lines_to_list () / 2;
796 /* Now should only be one argument -- decode it in SAL. */
799 sals
= decode_line_1 (&arg1
, DECODE_LINE_LIST_MODE
, 0, 0);
809 ambiguous_line_spec (&sals
);
818 error (_("Junk at end of line specification."));
820 /* If line was specified by address, first print exactly which
821 line, and which file. In this case, sal.symtab == 0 means
822 address is outside of all known source files, not that user
823 failed to give a filename. */
826 struct gdbarch
*gdbarch
;
829 /* FIXME-32x64--assumes sal.pc fits in long. */
830 error (_("No source file for address %s."),
831 hex_string ((unsigned long) sal
.pc
));
833 gdbarch
= get_objfile_arch (sal
.symtab
->objfile
);
834 sym
= find_pc_function (sal
.pc
);
836 printf_filtered ("%s is in %s (%s:%d).\n",
837 paddress (gdbarch
, sal
.pc
),
838 SYMBOL_PRINT_NAME (sym
),
839 sal
.symtab
->filename
, sal
.line
);
841 printf_filtered ("%s is at %s:%d.\n",
842 paddress (gdbarch
, sal
.pc
),
843 sal
.symtab
->filename
, sal
.line
);
846 /* If what was given does not imply a symtab, it must be an
847 undebuggable symbol which means no source code. */
850 error (_("No line number known for %s."), arg
);
853 if ((editor
= (char *) getenv ("EDITOR")) == NULL
)
856 /* If we don't already know the full absolute file name of the
857 source file, find it now. */
858 if (!sal
.symtab
->fullname
)
860 fn
= symtab_to_fullname (sal
.symtab
);
865 fn
= sal
.symtab
->fullname
;
867 /* Quote the file name, in case it has whitespace or other special
869 p
= xstrprintf ("%s +%d \"%s\"", editor
, sal
.line
, fn
);
870 shell_escape (p
, from_tty
);
875 list_command (char *arg
, int from_tty
)
877 struct symtabs_and_lines sals
, sals_end
;
878 struct symtab_and_line sal
= { 0 };
879 struct symtab_and_line sal_end
= { 0 };
880 struct symtab_and_line cursal
= { 0 };
889 /* Pull in the current default source line if necessary. */
890 if (arg
== 0 || arg
[0] == '+' || arg
[0] == '-')
892 set_default_source_symtab_and_line ();
893 cursal
= get_current_source_symtab_and_line ();
896 /* "l" or "l +" lists next ten lines. */
898 if (arg
== 0 || strcmp (arg
, "+") == 0)
900 print_source_lines (cursal
.symtab
, cursal
.line
,
901 cursal
.line
+ get_lines_to_list (), 0);
905 /* "l -" lists previous ten lines, the ones before the ten just
907 if (strcmp (arg
, "-") == 0)
909 print_source_lines (cursal
.symtab
,
910 max (get_first_line_listed ()
911 - get_lines_to_list (), 1),
912 get_first_line_listed (), 0);
916 /* Now if there is only one argument, decode it in SAL
918 If there are two arguments, decode them in SAL and SAL_END
919 and clear NO_END; however, if one of the arguments is blank,
920 set DUMMY_BEG or DUMMY_END to record that fact. */
922 if (!have_full_symbols () && !have_partial_symbols ())
923 error (_("No symbol table is loaded. Use the \"file\" command."));
930 sals
= decode_line_1 (&arg1
, DECODE_LINE_LIST_MODE
, 0, 0);
937 ambiguous_line_spec (&sals
);
946 /* Record whether the BEG arg is all digits. */
948 for (p
= arg
; p
!= arg1
&& *p
>= '0' && *p
<= '9'; p
++);
949 linenum_beg
= (p
== arg1
);
951 while (*arg1
== ' ' || *arg1
== '\t')
957 while (*arg1
== ' ' || *arg1
== '\t')
964 sals_end
= decode_line_1 (&arg1
, DECODE_LINE_LIST_MODE
, 0, 0);
966 sals_end
= decode_line_1 (&arg1
, DECODE_LINE_LIST_MODE
,
967 sal
.symtab
, sal
.line
);
969 if (sals_end
.nelts
== 0)
971 if (sals_end
.nelts
> 1)
973 ambiguous_line_spec (&sals_end
);
974 xfree (sals_end
.sals
);
977 sal_end
= sals_end
.sals
[0];
978 xfree (sals_end
.sals
);
983 error (_("Junk at end of line specification."));
985 if (!no_end
&& !dummy_beg
&& !dummy_end
986 && sal
.symtab
!= sal_end
.symtab
)
987 error (_("Specified start and end are in different files."));
988 if (dummy_beg
&& dummy_end
)
989 error (_("Two empty args do not say what lines to list."));
991 /* If line was specified by address,
992 first print exactly which line, and which file.
994 In this case, sal.symtab == 0 means address is outside of all
995 known source files, not that user failed to give a filename. */
998 struct gdbarch
*gdbarch
;
1000 if (sal
.symtab
== 0)
1001 /* FIXME-32x64--assumes sal.pc fits in long. */
1002 error (_("No source file for address %s."),
1003 hex_string ((unsigned long) sal
.pc
));
1005 gdbarch
= get_objfile_arch (sal
.symtab
->objfile
);
1006 sym
= find_pc_function (sal
.pc
);
1008 printf_filtered ("%s is in %s (%s:%d).\n",
1009 paddress (gdbarch
, sal
.pc
),
1010 SYMBOL_PRINT_NAME (sym
),
1011 sal
.symtab
->filename
, sal
.line
);
1013 printf_filtered ("%s is at %s:%d.\n",
1014 paddress (gdbarch
, sal
.pc
),
1015 sal
.symtab
->filename
, sal
.line
);
1018 /* If line was not specified by just a line number, and it does not
1019 imply a symtab, it must be an undebuggable symbol which means no
1022 if (!linenum_beg
&& sal
.symtab
== 0)
1023 error (_("No line number known for %s."), arg
);
1025 /* If this command is repeated with RET,
1026 turn it into the no-arg variant. */
1031 if (dummy_beg
&& sal_end
.symtab
== 0)
1032 error (_("No default source file yet. Do \"help list\"."));
1034 print_source_lines (sal_end
.symtab
,
1035 max (sal_end
.line
- (get_lines_to_list () - 1), 1),
1036 sal_end
.line
+ 1, 0);
1037 else if (sal
.symtab
== 0)
1038 error (_("No default source file yet. Do \"help list\"."));
1041 int first_line
= sal
.line
- get_lines_to_list () / 2;
1043 if (first_line
< 1) first_line
= 1;
1045 print_source_lines (sal
.symtab
,
1047 first_line
+ get_lines_to_list (),
1051 print_source_lines (sal
.symtab
, sal
.line
,
1053 ? sal
.line
+ get_lines_to_list ()
1054 : sal_end
.line
+ 1),
1058 /* Subroutine of disassemble_command to simplify it.
1059 Perform the disassembly.
1060 NAME is the name of the function if known, or NULL.
1061 [LOW,HIGH) are the range of addresses to disassemble.
1062 MIXED is non-zero to print source with the assembler. */
1065 print_disassembly (struct gdbarch
*gdbarch
, const char *name
,
1066 CORE_ADDR low
, CORE_ADDR high
, int flags
)
1069 if (!tui_is_window_visible (DISASSEM_WIN
))
1072 printf_filtered ("Dump of assembler code ");
1074 printf_filtered ("for function %s:\n", name
);
1076 printf_filtered ("from %s to %s:\n",
1077 paddress (gdbarch
, low
), paddress (gdbarch
, high
));
1079 /* Dump the specified range. */
1080 gdb_disassembly (gdbarch
, current_uiout
, 0, flags
, -1, low
, high
);
1082 printf_filtered ("End of assembler dump.\n");
1083 gdb_flush (gdb_stdout
);
1088 tui_show_assembly (gdbarch
, low
);
1093 /* Subroutine of disassemble_command to simplify it.
1094 Print a disassembly of the current function according to FLAGS. */
1097 disassemble_current_function (int flags
)
1099 struct frame_info
*frame
;
1100 struct gdbarch
*gdbarch
;
1101 CORE_ADDR low
, high
, pc
;
1104 frame
= get_selected_frame (_("No frame selected."));
1105 gdbarch
= get_frame_arch (frame
);
1106 pc
= get_frame_pc (frame
);
1107 if (find_pc_partial_function (pc
, &name
, &low
, &high
) == 0)
1108 error (_("No function contains program counter for selected frame."));
1110 /* NOTE: cagney/2003-02-13 The `tui_active' was previously
1113 /* FIXME: cagney/2004-02-07: This should be an observer. */
1114 low
= tui_get_low_disassembly_address (gdbarch
, low
, pc
);
1116 low
+= gdbarch_deprecated_function_start_offset (gdbarch
);
1118 print_disassembly (gdbarch
, name
, low
, high
, flags
);
1121 /* Dump a specified section of assembly code.
1125 - dump the assembly code for the function of the current pc
1126 disassemble [/mr] addr
1127 - dump the assembly code for the function at ADDR
1128 disassemble [/mr] low,high
1129 disassemble [/mr] low,+length
1130 - dump the assembly code in the range [LOW,HIGH), or [LOW,LOW+length)
1132 A /m modifier will include source code with the assembly.
1133 A /r modifier will include raw instructions in hex with the assembly. */
1136 disassemble_command (char *arg
, int from_tty
)
1138 struct gdbarch
*gdbarch
= get_current_arch ();
1139 CORE_ADDR low
, high
;
1147 if (arg
&& *arg
== '/')
1152 error (_("Missing modifier."));
1154 while (*arg
&& ! isspace (*arg
))
1159 flags
|= DISASSEMBLY_SOURCE
;
1162 flags
|= DISASSEMBLY_RAW_INSN
;
1165 error (_("Invalid disassembly modifier."));
1169 while (isspace (*arg
))
1173 if (! arg
|| ! *arg
)
1175 flags
|= DISASSEMBLY_OMIT_FNAME
;
1176 disassemble_current_function (flags
);
1180 pc
= value_as_address (parse_to_comma_and_eval (&arg
));
1186 if (find_pc_partial_function (pc
, &name
, &low
, &high
) == 0)
1187 error (_("No function contains specified address."));
1189 /* NOTE: cagney/2003-02-13 The `tui_active' was previously
1192 /* FIXME: cagney/2004-02-07: This should be an observer. */
1193 low
= tui_get_low_disassembly_address (gdbarch
, low
, pc
);
1195 low
+= gdbarch_deprecated_function_start_offset (gdbarch
);
1196 flags
|= DISASSEMBLY_OMIT_FNAME
;
1200 /* Two arguments. */
1203 while (isspace (*arg
))
1210 high
= parse_and_eval_address (arg
);
1215 print_disassembly (gdbarch
, name
, low
, high
, flags
);
1219 make_command (char *arg
, int from_tty
)
1227 p
= xmalloc (sizeof ("make ") + strlen (arg
));
1228 strcpy (p
, "make ");
1229 strcpy (p
+ sizeof ("make ") - 1, arg
);
1232 shell_escape (p
, from_tty
);
1236 show_user (char *args
, int from_tty
)
1238 struct cmd_list_element
*c
;
1239 extern struct cmd_list_element
*cmdlist
;
1243 char *comname
= args
;
1245 c
= lookup_cmd (&comname
, cmdlist
, "", 0, 1);
1246 if (c
->class != class_user
)
1247 error (_("Not a user command."));
1248 show_user_1 (c
, "", args
, gdb_stdout
);
1252 for (c
= cmdlist
; c
; c
= c
->next
)
1254 if (c
->class == class_user
|| c
->prefixlist
!= NULL
)
1255 show_user_1 (c
, "", c
->name
, gdb_stdout
);
1260 /* Search through names of commands and documentations for a certain
1261 regular expression. */
1264 apropos_command (char *searchstr
, int from_tty
)
1269 if (searchstr
== NULL
)
1270 error (_("REGEXP string is empty"));
1272 code
= regcomp (&pattern
, searchstr
, REG_ICASE
);
1275 struct cleanup
*cleanups
;
1277 cleanups
= make_regfree_cleanup (&pattern
);
1278 apropos_cmd (gdb_stdout
, cmdlist
, &pattern
, "");
1279 do_cleanups (cleanups
);
1283 char *err
= get_regcomp_error (code
, &pattern
);
1285 make_cleanup (xfree
, err
);
1286 error (_("Error in regular expression: %s"), err
);
1290 /* Subroutine of alias_command to simplify it.
1291 Return the first N elements of ARGV flattened back to a string
1292 with a space separating each element.
1293 ARGV may not be NULL.
1294 This does not take care of quoting elements in case they contain spaces
1298 argv_to_dyn_string (char **argv
, int n
)
1301 dyn_string_t result
= dyn_string_new (10);
1303 gdb_assert (argv
!= NULL
);
1304 gdb_assert (n
>= 0 && n
<= countargv (argv
));
1306 for (i
= 0; i
< n
; ++i
)
1309 dyn_string_append_char (result
, ' ');
1310 dyn_string_append_cstr (result
, argv
[i
]);
1316 /* Subroutine of alias_command to simplify it.
1317 Return TRUE if COMMAND exists, unambiguously. Otherwise FALSE. */
1320 valid_command_p (char *command
)
1322 struct cmd_list_element
*c
;
1324 c
= lookup_cmd_1 (& command
, cmdlist
, NULL
, 1);
1326 if (c
== NULL
|| c
== (struct cmd_list_element
*) -1)
1329 /* This is the slightly tricky part.
1330 lookup_cmd_1 will return a pointer to the last part of COMMAND
1331 to match, leaving COMMAND pointing at the remainder. */
1332 while (*command
== ' ' || *command
== '\t')
1334 return *command
== '\0';
1337 /* Make an alias of an existing command. */
1340 alias_command (char *args
, int from_tty
)
1342 int i
, alias_argc
, command_argc
;
1343 int abbrev_flag
= 0;
1344 char *args2
, *equals
, *alias
, *command
;
1345 char **alias_argv
, **command_argv
;
1346 dyn_string_t alias_dyn_string
, command_dyn_string
;
1347 struct cmd_list_element
*c
;
1348 static const char usage
[] = N_("Usage: alias [-a] [--] ALIAS = COMMAND");
1350 if (args
== NULL
|| strchr (args
, '=') == NULL
)
1353 args2
= xstrdup (args
);
1354 make_cleanup (xfree
, args2
);
1355 equals
= strchr (args2
, '=');
1357 alias_argv
= gdb_buildargv (args2
);
1358 make_cleanup_freeargv (alias_argv
);
1359 command_argv
= gdb_buildargv (equals
+ 1);
1360 make_cleanup_freeargv (command_argv
);
1362 for (i
= 0; alias_argv
[i
] != NULL
; )
1364 if (strcmp (alias_argv
[i
], "-a") == 0)
1369 else if (strcmp (alias_argv
[i
], "--") == 0)
1378 if (alias_argv
[0] == NULL
|| command_argv
[0] == NULL
1379 || *alias_argv
[0] == '\0' || *command_argv
[0] == '\0')
1382 for (i
= 0; alias_argv
[i
] != NULL
; ++i
)
1384 if (! valid_user_defined_cmd_name_p (alias_argv
[i
]))
1387 error (_("Invalid command name: %s"), alias_argv
[i
]);
1389 error (_("Invalid command element name: %s"), alias_argv
[i
]);
1393 alias_argc
= countargv (alias_argv
);
1394 command_argc
= countargv (command_argv
);
1396 /* COMMAND must exist.
1397 Reconstruct the command to remove any extraneous spaces,
1398 for better error messages. */
1399 command_dyn_string
= argv_to_dyn_string (command_argv
, command_argc
);
1400 make_cleanup_dyn_string_delete (command_dyn_string
);
1401 command
= dyn_string_buf (command_dyn_string
);
1402 if (! valid_command_p (command
))
1403 error (_("Invalid command to alias to: %s"), command
);
1405 /* ALIAS must not exist. */
1406 alias_dyn_string
= argv_to_dyn_string (alias_argv
, alias_argc
);
1407 make_cleanup_dyn_string_delete (alias_dyn_string
);
1408 alias
= dyn_string_buf (alias_dyn_string
);
1409 if (valid_command_p (alias
))
1410 error (_("Alias already exists: %s"), alias
);
1412 /* If ALIAS is one word, it is an alias for the entire COMMAND.
1413 Example: alias spe = set print elements
1415 Otherwise ALIAS and COMMAND must have the same number of words,
1416 and every word except the last must match; and the last word of
1417 ALIAS is made an alias of the last word of COMMAND.
1418 Example: alias set print elms = set pr elem
1419 Note that unambiguous abbreviations are allowed. */
1421 if (alias_argc
== 1)
1423 /* add_cmd requires *we* allocate space for name, hence the xstrdup. */
1424 add_com_alias (xstrdup (alias_argv
[0]), command
, class_alias
,
1430 dyn_string_t alias_prefix_dyn_string
, command_prefix_dyn_string
;
1431 char *alias_prefix
, *command_prefix
;
1432 struct cmd_list_element
*c_alias
, *c_command
;
1434 if (alias_argc
!= command_argc
)
1435 error (_("Mismatched command length between ALIAS and COMMAND."));
1437 /* Create copies of ALIAS and COMMAND without the last word,
1438 and use that to verify the leading elements match. */
1439 alias_prefix_dyn_string
=
1440 argv_to_dyn_string (alias_argv
, alias_argc
- 1);
1441 make_cleanup_dyn_string_delete (alias_prefix_dyn_string
);
1442 command_prefix_dyn_string
=
1443 argv_to_dyn_string (alias_argv
, command_argc
- 1);
1444 make_cleanup_dyn_string_delete (command_prefix_dyn_string
);
1445 alias_prefix
= dyn_string_buf (alias_prefix_dyn_string
);
1446 command_prefix
= dyn_string_buf (command_prefix_dyn_string
);
1448 c_command
= lookup_cmd_1 (& command_prefix
, cmdlist
, NULL
, 1);
1449 /* We've already tried to look up COMMAND. */
1450 gdb_assert (c_command
!= NULL
1451 && c_command
!= (struct cmd_list_element
*) -1);
1452 gdb_assert (c_command
->prefixlist
!= NULL
);
1453 c_alias
= lookup_cmd_1 (& alias_prefix
, cmdlist
, NULL
, 1);
1454 if (c_alias
!= c_command
)
1455 error (_("ALIAS and COMMAND prefixes do not match."));
1457 /* add_cmd requires *we* allocate space for name, hence the xstrdup. */
1458 add_alias_cmd (xstrdup (alias_argv
[alias_argc
- 1]),
1459 command_argv
[command_argc
- 1],
1460 class_alias
, abbrev_flag
, c_command
->prefixlist
);
1464 /* Print a list of files and line numbers which a user may choose from
1465 in order to list a function which was specified ambiguously (as
1466 with `list classname::overloadedfuncname', for example). The
1467 vector in SALS provides the filenames and line numbers. */
1470 ambiguous_line_spec (struct symtabs_and_lines
*sals
)
1474 for (i
= 0; i
< sals
->nelts
; ++i
)
1475 printf_filtered (_("file: \"%s\", line number: %d\n"),
1476 sals
->sals
[i
].symtab
->filename
, sals
->sals
[i
].line
);
1479 /* Sort function for filter_sals. */
1482 compare_symtabs (const void *a
, const void *b
)
1484 const struct symtab_and_line
*sala
= a
;
1485 const struct symtab_and_line
*salb
= b
;
1488 if (!sala
->symtab
->dirname
)
1490 if (salb
->symtab
->dirname
)
1493 else if (!salb
->symtab
->dirname
)
1495 if (sala
->symtab
->dirname
)
1500 r
= filename_cmp (sala
->symtab
->dirname
, salb
->symtab
->dirname
);
1505 r
= filename_cmp (sala
->symtab
->filename
, salb
->symtab
->filename
);
1509 if (sala
->line
< salb
->line
)
1511 return sala
->line
== salb
->line
? 0 : 1;
1514 /* Remove any SALs that do not match the current program space, or
1515 which appear to be "file:line" duplicates. */
1518 filter_sals (struct symtabs_and_lines
*sals
)
1523 for (i
= 0; i
< sals
->nelts
; ++i
)
1525 if (sals
->sals
[i
].pspace
== current_program_space
1526 && sals
->sals
[i
].symtab
!= NULL
)
1528 sals
->sals
[out
] = sals
->sals
[i
];
1534 qsort (sals
->sals
, sals
->nelts
, sizeof (struct symtab_and_line
),
1539 for (i
= 1; i
< sals
->nelts
; ++i
)
1541 if (compare_symtabs (&sals
->sals
[prev
], &sals
->sals
[i
]))
1543 /* Symtabs differ. */
1544 sals
->sals
[out
] = sals
->sals
[i
];
1551 if (sals
->nelts
== 0)
1559 set_debug (char *arg
, int from_tty
)
1561 printf_unfiltered (_("\"set debug\" must be followed by "
1562 "the name of a debug subcommand.\n"));
1563 help_list (setdebuglist
, "set debug ", -1, gdb_stdout
);
1567 show_debug (char *args
, int from_tty
)
1569 cmd_show_list (showdebuglist
, from_tty
, "");
1573 init_cmd_lists (void)
1575 max_user_call_depth
= 1024;
1585 enablebreaklist
= NULL
;
1590 showhistlist
= NULL
;
1591 unsethistlist
= NULL
;
1592 maintenancelist
= NULL
;
1593 maintenanceinfolist
= NULL
;
1594 maintenanceprintlist
= NULL
;
1595 setprintlist
= NULL
;
1596 showprintlist
= NULL
;
1597 setchecklist
= NULL
;
1598 showchecklist
= NULL
;
1603 show_info_verbose (struct ui_file
*file
, int from_tty
,
1604 struct cmd_list_element
*c
,
1608 fprintf_filtered (file
,
1609 _("Verbose printing of informational messages is %s.\n"),
1612 fprintf_filtered (file
, _("Verbosity is %s.\n"), value
);
1616 show_history_expansion_p (struct ui_file
*file
, int from_tty
,
1617 struct cmd_list_element
*c
, const char *value
)
1619 fprintf_filtered (file
, _("History expansion on command input is %s.\n"),
1624 show_baud_rate (struct ui_file
*file
, int from_tty
,
1625 struct cmd_list_element
*c
, const char *value
)
1627 fprintf_filtered (file
, _("Baud rate for remote serial I/O is %s.\n"),
1632 show_remote_debug (struct ui_file
*file
, int from_tty
,
1633 struct cmd_list_element
*c
, const char *value
)
1635 fprintf_filtered (file
, _("Debugging of remote protocol is %s.\n"),
1640 show_remote_timeout (struct ui_file
*file
, int from_tty
,
1641 struct cmd_list_element
*c
, const char *value
)
1643 fprintf_filtered (file
,
1644 _("Timeout limit to wait for target to respond is %s.\n"),
1649 show_max_user_call_depth (struct ui_file
*file
, int from_tty
,
1650 struct cmd_list_element
*c
, const char *value
)
1652 fprintf_filtered (file
,
1653 _("The max call depth for user-defined commands is %s.\n"),
1659 init_cli_cmds (void)
1661 struct cmd_list_element
*c
;
1662 char *source_help_text
;
1664 /* Define the classes of commands.
1665 They will appear in the help list in alphabetical order. */
1667 add_cmd ("internals", class_maintenance
, NULL
, _("\
1668 Maintenance commands.\n\
1669 Some gdb commands are provided just for use by gdb maintainers.\n\
1670 These commands are subject to frequent change, and may not be as\n\
1671 well documented as user commands."),
1673 add_cmd ("obscure", class_obscure
, NULL
, _("Obscure features."), &cmdlist
);
1674 add_cmd ("aliases", class_alias
, NULL
,
1675 _("Aliases of other commands."), &cmdlist
);
1676 add_cmd ("user-defined", class_user
, NULL
, _("\
1677 User-defined commands.\n\
1678 The commands in this class are those defined by the user.\n\
1679 Use the \"define\" command to define a command."), &cmdlist
);
1680 add_cmd ("support", class_support
, NULL
, _("Support facilities."), &cmdlist
);
1682 add_cmd ("status", class_info
, NULL
, _("Status inquiries."), &cmdlist
);
1683 add_cmd ("files", class_files
, NULL
, _("Specifying and examining files."),
1685 add_cmd ("breakpoints", class_breakpoint
, NULL
,
1686 _("Making program stop at certain points."), &cmdlist
);
1687 add_cmd ("data", class_vars
, NULL
, _("Examining data."), &cmdlist
);
1688 add_cmd ("stack", class_stack
, NULL
, _("\
1689 Examining the stack.\n\
1690 The stack is made up of stack frames. Gdb assigns numbers to stack frames\n\
1691 counting from zero for the innermost (currently executing) frame.\n\n\
1692 At any time gdb identifies one frame as the \"selected\" frame.\n\
1693 Variable lookups are done with respect to the selected frame.\n\
1694 When the program being debugged stops, gdb selects the innermost frame.\n\
1695 The commands below can be used to select other frames by number or address."),
1697 add_cmd ("running", class_run
, NULL
, _("Running the program."), &cmdlist
);
1699 /* Define general commands. */
1701 add_com ("pwd", class_files
, pwd_command
, _("\
1702 Print working directory. This is used for your program as well."));
1704 c
= add_cmd ("cd", class_files
, cd_command
, _("\
1705 Set working directory to DIR for debugger and program being debugged.\n\
1706 The change does not take effect for the program being debugged\n\
1707 until the next time it is started."), &cmdlist
);
1708 set_cmd_completer (c
, filename_completer
);
1710 add_com ("echo", class_support
, echo_command
, _("\
1711 Print a constant string. Give string as argument.\n\
1712 C escape sequences may be used in the argument.\n\
1713 No newline is added at the end of the argument;\n\
1714 use \"\\n\" if you want a newline to be printed.\n\
1715 Since leading and trailing whitespace are ignored in command arguments,\n\
1716 if you want to print some you must use \"\\\" before leading whitespace\n\
1717 to be printed or after trailing whitespace."));
1718 add_com ("document", class_support
, document_command
, _("\
1719 Document a user-defined command.\n\
1720 Give command name as argument. Give documentation on following lines.\n\
1721 End with a line of just \"end\"."));
1722 add_com ("define", class_support
, define_command
, _("\
1723 Define a new command name. Command name is argument.\n\
1724 Definition appears on following lines, one command per line.\n\
1725 End with a line of just \"end\".\n\
1726 Use the \"document\" command to give documentation for the new command.\n\
1727 Commands defined in this way may have up to ten arguments."));
1729 source_help_text
= xstrprintf (_("\
1730 Read commands from a file named FILE.\n\
1732 Usage: source [-s] [-v] FILE\n\
1733 -s: search for the script in the source search path,\n\
1734 even if FILE contains directories.\n\
1735 -v: each command in FILE is echoed as it is executed.\n\
1737 Note that the file \"%s\" is read automatically in this way\n\
1738 when GDB is started."), gdbinit
);
1739 c
= add_cmd ("source", class_support
, source_command
,
1740 source_help_text
, &cmdlist
);
1741 set_cmd_completer (c
, filename_completer
);
1743 add_setshow_enum_cmd ("script-extension", class_support
,
1744 script_ext_enums
, &script_ext_mode
, _("\
1745 Set mode for script filename extension recognition."), _("\
1746 Show mode for script filename extension recognition."), _("\
1747 off == no filename extension recognition (all sourced files are GDB scripts)\n\
1748 soft == evaluate script according to filename extension, fallback to GDB script"
1750 strict == evaluate script according to filename extension, error if not supported"
1753 show_script_ext_mode
,
1754 &setlist
, &showlist
);
1756 add_com ("quit", class_support
, quit_command
, _("Exit gdb."));
1757 c
= add_com ("help", class_support
, help_command
,
1758 _("Print list of commands."));
1759 set_cmd_completer (c
, command_completer
);
1760 add_com_alias ("q", "quit", class_support
, 1);
1761 add_com_alias ("h", "help", class_support
, 1);
1763 add_setshow_boolean_cmd ("verbose", class_support
, &info_verbose
, _("\
1764 Set verbosity."), _("\
1765 Show verbosity."), NULL
,
1768 &setlist
, &showlist
);
1770 add_prefix_cmd ("history", class_support
, set_history
,
1771 _("Generic command for setting command history parameters."),
1772 &sethistlist
, "set history ", 0, &setlist
);
1773 add_prefix_cmd ("history", class_support
, show_history
,
1774 _("Generic command for showing command history parameters."),
1775 &showhistlist
, "show history ", 0, &showlist
);
1777 add_setshow_boolean_cmd ("expansion", no_class
, &history_expansion_p
, _("\
1778 Set history expansion on command input."), _("\
1779 Show history expansion on command input."), _("\
1780 Without an argument, history expansion is enabled."),
1782 show_history_expansion_p
,
1783 &sethistlist
, &showhistlist
);
1785 add_prefix_cmd ("info", class_info
, info_command
, _("\
1786 Generic command for showing things about the program being debugged."),
1787 &infolist
, "info ", 0, &cmdlist
);
1788 add_com_alias ("i", "info", class_info
, 1);
1789 add_com_alias ("inf", "info", class_info
, 1);
1791 add_com ("complete", class_obscure
, complete_command
,
1792 _("List the completions for the rest of the line as a command."));
1794 add_prefix_cmd ("show", class_info
, show_command
, _("\
1795 Generic command for showing things about the debugger."),
1796 &showlist
, "show ", 0, &cmdlist
);
1797 /* Another way to get at the same thing. */
1798 add_info ("set", show_command
, _("Show all GDB settings."));
1800 add_cmd ("commands", no_set_class
, show_commands
, _("\
1801 Show the history of commands you typed.\n\
1802 You can supply a command number to start with, or a `+' to start after\n\
1803 the previous command number shown."),
1806 add_cmd ("version", no_set_class
, show_version
,
1807 _("Show what version of GDB this is."), &showlist
);
1809 add_com ("while", class_support
, while_command
, _("\
1810 Execute nested commands WHILE the conditional expression is non zero.\n\
1811 The conditional expression must follow the word `while' and must in turn be\n\
1812 followed by a new line. The nested commands must be entered one per line,\n\
1813 and should be terminated by the word `end'."));
1815 add_com ("if", class_support
, if_command
, _("\
1816 Execute nested commands once IF the conditional expression is non zero.\n\
1817 The conditional expression must follow the word `if' and must in turn be\n\
1818 followed by a new line. The nested commands must be entered one per line,\n\
1819 and should be terminated by the word 'else' or `end'. If an else clause\n\
1820 is used, the same rules apply to its nested commands as to the first ones."));
1822 /* If target is open when baud changes, it doesn't take effect until
1823 the next open (I think, not sure). */
1824 add_setshow_zinteger_cmd ("remotebaud", no_class
, &baud_rate
, _("\
1825 Set baud rate for remote serial I/O."), _("\
1826 Show baud rate for remote serial I/O."), _("\
1827 This value is used to set the speed of the serial port when debugging\n\
1828 using remote targets."),
1831 &setlist
, &showlist
);
1833 add_setshow_zinteger_cmd ("remote", no_class
, &remote_debug
, _("\
1834 Set debugging of remote protocol."), _("\
1835 Show debugging of remote protocol."), _("\
1836 When enabled, each packet sent or received with the remote target\n\
1840 &setdebuglist
, &showdebuglist
);
1842 add_setshow_integer_cmd ("remotetimeout", no_class
, &remote_timeout
, _("\
1843 Set timeout limit to wait for target to respond."), _("\
1844 Show timeout limit to wait for target to respond."), _("\
1845 This value is used to set the time limit for gdb to wait for a response\n\
1848 show_remote_timeout
,
1849 &setlist
, &showlist
);
1851 add_prefix_cmd ("debug", no_class
, set_debug
,
1852 _("Generic command for setting gdb debugging flags"),
1853 &setdebuglist
, "set debug ", 0, &setlist
);
1855 add_prefix_cmd ("debug", no_class
, show_debug
,
1856 _("Generic command for showing gdb debugging flags"),
1857 &showdebuglist
, "show debug ", 0, &showlist
);
1859 c
= add_com ("shell", class_support
, shell_escape
, _("\
1860 Execute the rest of the line as a shell command.\n\
1861 With no arguments, run an inferior shell."));
1862 set_cmd_completer (c
, filename_completer
);
1864 c
= add_com ("edit", class_files
, edit_command
, _("\
1865 Edit specified file or function.\n\
1866 With no argument, edits file containing most recent line listed.\n\
1867 Editing targets can be specified in these ways:\n\
1868 FILE:LINENUM, to edit at that line in that file,\n\
1869 FUNCTION, to edit at the beginning of that function,\n\
1870 FILE:FUNCTION, to distinguish among like-named static functions.\n\
1871 *ADDRESS, to edit at the line containing that address.\n\
1872 Uses EDITOR environment variable contents as editor (or ex as default)."));
1874 c
->completer
= location_completer
;
1876 add_com ("list", class_files
, list_command
, _("\
1877 List specified function or line.\n\
1878 With no argument, lists ten more lines after or around previous listing.\n\
1879 \"list -\" lists the ten lines before a previous ten-line listing.\n\
1880 One argument specifies a line, and ten lines are listed around that line.\n\
1881 Two arguments with comma between specify starting and ending lines to list.\n\
1882 Lines can be specified in these ways:\n\
1883 LINENUM, to list around that line in current file,\n\
1884 FILE:LINENUM, to list around that line in that file,\n\
1885 FUNCTION, to list around beginning of that function,\n\
1886 FILE:FUNCTION, to distinguish among like-named static functions.\n\
1887 *ADDRESS, to list around the line containing that address.\n\
1888 With two args if one is empty it stands for ten lines away from \
1892 add_com_alias ("l", "list", class_files
, 1);
1894 add_com_alias ("v", "list", class_files
, 1);
1897 add_com_alias ("file", "list", class_files
, 1);
1899 c
= add_com ("disassemble", class_vars
, disassemble_command
, _("\
1900 Disassemble a specified section of memory.\n\
1901 Default is the function surrounding the pc of the selected frame.\n\
1902 With a /m modifier, source lines are included (if available).\n\
1903 With a /r modifier, raw instructions in hex are included.\n\
1904 With a single argument, the function surrounding that address is dumped.\n\
1905 Two arguments (separated by a comma) are taken as a range of memory to dump,\n\
1906 in the form of \"start,end\", or \"start,+length\"."));
1907 set_cmd_completer (c
, location_completer
);
1909 add_com_alias ("va", "disassemble", class_xdb
, 0);
1911 add_com_alias ("!", "shell", class_support
, 0);
1913 c
= add_com ("make", class_support
, make_command
, _("\
1914 Run the ``make'' program using the rest of the line as arguments."));
1915 set_cmd_completer (c
, filename_completer
);
1916 add_cmd ("user", no_class
, show_user
, _("\
1917 Show definitions of user defined commands.\n\
1918 Argument is the name of the user defined command.\n\
1919 With no argument, show definitions of all user defined commands."), &showlist
);
1920 add_com ("apropos", class_support
, apropos_command
,
1921 _("Search for commands matching a REGEXP"));
1923 add_setshow_integer_cmd ("max-user-call-depth", no_class
,
1924 &max_user_call_depth
, _("\
1925 Set the max call depth for user-defined commands."), _("\
1926 Show the max call depth for user-defined commands."), NULL
,
1928 show_max_user_call_depth
,
1929 &setlist
, &showlist
);
1931 add_setshow_boolean_cmd ("trace-commands", no_class
, &trace_commands
, _("\
1932 Set tracing of GDB CLI commands."), _("\
1933 Show state of GDB CLI command tracing."), _("\
1934 When 'on', each command is displayed as it is executed."),
1937 &setlist
, &showlist
);
1939 c
= add_com ("alias", class_support
, alias_command
, _("\
1940 Define a new command that is an alias of an existing command.\n\
1941 Usage: alias [-a] [--] ALIAS = COMMAND\n\
1942 ALIAS is the name of the alias command to create.\n\
1943 COMMAND is the command being aliased to.\n\
1944 If \"-a\" is specified, the command is an abbreviation,\n\
1945 and will not appear in help command list output.\n\
1948 Make \"spe\" an alias of \"set print elements\":\n\
1949 alias spe = set print elements\n\
1950 Make \"elms\" an alias of \"elements\" in the \"set print\" command:\n\
1951 alias -a set print elms = set print elements"));