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 *const 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 *point
, *arg_prefix
;
258 VEC (char_ptr
) *completions
;
264 argpoint
= strlen (arg
);
266 /* complete_line assumes that its first argument is somewhere
267 within, and except for filenames at the beginning of, the word to
268 be completed. The following crude imitation of readline's
269 word-breaking tries to accomodate this. */
270 point
= arg
+ argpoint
;
273 if (strchr (rl_completer_word_break_characters
, point
[-1]) != 0)
278 arg_prefix
= alloca (point
- arg
+ 1);
279 memcpy (arg_prefix
, arg
, point
- arg
);
280 arg_prefix
[point
- arg
] = 0;
282 completions
= complete_line (point
, arg
, argpoint
);
286 int ix
, size
= VEC_length (char_ptr
, completions
);
287 char *item
, *prev
= NULL
;
289 qsort (VEC_address (char_ptr
, completions
), size
,
290 sizeof (char *), compare_strings
);
292 /* We do extra processing here since we only want to print each
294 for (ix
= 0; VEC_iterate (char_ptr
, completions
, ix
, item
); ++ix
)
298 if (prev
== NULL
|| strcmp (item
, prev
) != 0)
300 printf_unfiltered ("%s%s\n", arg_prefix
, item
);
309 VEC_free (char_ptr
, completions
);
314 is_complete_command (struct cmd_list_element
*c
)
316 return cmd_cfunc_eq (c
, complete_command
);
320 show_version (char *args
, int from_tty
)
322 print_gdb_version (gdb_stdout
);
323 printf_filtered ("\n");
326 /* Handle the quit command. */
329 quit_command (char *args
, int from_tty
)
331 if (!quit_confirm ())
332 error (_("Not confirmed."));
334 disconnect_tracing (from_tty
);
336 quit_force (args
, from_tty
);
340 pwd_command (char *args
, int from_tty
)
343 error (_("The \"pwd\" command does not take an argument: %s"), args
);
344 if (! getcwd (gdb_dirbuf
, sizeof (gdb_dirbuf
)))
345 error (_("Error finding name of working directory: %s"),
346 safe_strerror (errno
));
348 if (strcmp (gdb_dirbuf
, current_directory
) != 0)
349 printf_unfiltered (_("Working directory %s\n (canonically %s).\n"),
350 current_directory
, gdb_dirbuf
);
352 printf_unfiltered (_("Working directory %s.\n"), current_directory
);
356 cd_command (char *dir
, int from_tty
)
359 /* Found something other than leading repetitions of "/..". */
363 /* If the new directory is absolute, repeat is a no-op; if relative,
364 repeat might be useful but is more likely to be a mistake. */
370 dir
= tilde_expand (dir
);
371 make_cleanup (xfree
, dir
);
374 perror_with_name (dir
);
376 #ifdef HAVE_DOS_BASED_FILE_SYSTEM
377 /* There's too much mess with DOSish names like "d:", "d:.",
378 "d:./foo" etc. Instead of having lots of special #ifdef'ed code,
379 simply get the canonicalized name of the current directory. */
380 dir
= getcwd (gdb_dirbuf
, sizeof (gdb_dirbuf
));
384 if (IS_DIR_SEPARATOR (dir
[len
- 1]))
386 /* Remove the trailing slash unless this is a root directory
387 (including a drive letter on non-Unix systems). */
388 if (!(len
== 1) /* "/" */
389 #ifdef HAVE_DOS_BASED_FILE_SYSTEM
390 && !(len
== 3 && dir
[1] == ':') /* "d:/" */
396 dir
= savestring (dir
, len
);
397 if (IS_ABSOLUTE_PATH (dir
))
398 current_directory
= dir
;
401 if (IS_DIR_SEPARATOR (current_directory
[strlen (current_directory
) - 1]))
402 current_directory
= concat (current_directory
, dir
, (char *)NULL
);
404 current_directory
= concat (current_directory
, SLASH_STRING
,
409 /* Now simplify any occurrences of `.' and `..' in the pathname. */
412 for (p
= current_directory
; *p
;)
414 if (IS_DIR_SEPARATOR (p
[0]) && p
[1] == '.'
415 && (p
[2] == 0 || IS_DIR_SEPARATOR (p
[2])))
416 memmove (p
, p
+ 2, strlen (p
+ 2) + 1);
417 else if (IS_DIR_SEPARATOR (p
[0]) && p
[1] == '.' && p
[2] == '.'
418 && (p
[3] == 0 || IS_DIR_SEPARATOR (p
[3])))
422 /* Search backwards for the directory just before the "/.."
423 and obliterate it and the "/..". */
426 while (q
!= current_directory
&& !IS_DIR_SEPARATOR (q
[-1]))
429 if (q
== current_directory
)
430 /* current_directory is
431 a relative pathname ("can't happen"--leave it alone). */
435 memmove (q
- 1, p
+ 3, strlen (p
+ 3) + 1);
440 /* We are dealing with leading repetitions of "/..", for
441 example "/../..", which is the Mach super-root. */
451 forget_cached_source_info ();
454 pwd_command ((char *) 0, 1);
457 /* Show the current value of the 'script-extension' option. */
460 show_script_ext_mode (struct ui_file
*file
, int from_tty
,
461 struct cmd_list_element
*c
, const char *value
)
463 fprintf_filtered (file
,
464 _("Script filename extension recognition is \"%s\".\n"),
468 /* Try to open SCRIPT_FILE.
469 If successful, the full path name is stored in *FULL_PATHP,
470 the stream is stored in *STREAMP, and return 1.
471 The caller is responsible for freeing *FULL_PATHP.
472 If not successful, return 0; errno is set for the last file
475 If SEARCH_PATH is non-zero, and the file isn't found in cwd,
476 search for it in the source search path.
478 NOTE: This calls openp which uses xfullpath to compute the full path
479 instead of gdb_realpath. Symbolic links are not resolved. */
482 find_and_open_script (const char *script_file
, int search_path
,
483 FILE **streamp
, char **full_pathp
)
487 struct cleanup
*old_cleanups
;
488 int search_flags
= OPF_TRY_CWD_FIRST
;
490 file
= tilde_expand (script_file
);
491 old_cleanups
= make_cleanup (xfree
, file
);
494 search_flags
|= OPF_SEARCH_IN_PATH
;
496 /* Search for and open 'file' on the search path used for source
497 files. Put the full location in *FULL_PATHP. */
498 fd
= openp (source_path
, search_flags
,
499 file
, O_RDONLY
, full_pathp
);
503 int save_errno
= errno
;
504 do_cleanups (old_cleanups
);
509 do_cleanups (old_cleanups
);
511 *streamp
= fdopen (fd
, FOPEN_RT
);
512 if (*streamp
== NULL
)
514 int save_errno
= errno
;
526 /* Load script FILE, which has already been opened as STREAM. */
529 source_script_from_stream (FILE *stream
, const char *file
)
531 if (script_ext_mode
!= script_ext_off
532 && strlen (file
) > 3 && !strcmp (&file
[strlen (file
) - 3], ".py"))
534 volatile struct gdb_exception e
;
536 TRY_CATCH (e
, RETURN_MASK_ERROR
)
538 source_python_script (stream
, file
);
542 /* Should we fallback to ye olde GDB script mode? */
543 if (script_ext_mode
== script_ext_soft
544 && e
.reason
== RETURN_ERROR
&& e
.error
== UNSUPPORTED_ERROR
)
546 fseek (stream
, 0, SEEK_SET
);
547 script_from_file (stream
, (char*) file
);
551 /* Nope, just punt. */
557 script_from_file (stream
, file
);
560 /* Worker to perform the "source" command.
562 If SEARCH_PATH is non-zero, and the file isn't found in cwd,
563 search for it in the source search path. */
566 source_script_with_search (const char *file
, int from_tty
, int search_path
)
570 struct cleanup
*old_cleanups
;
572 if (file
== NULL
|| *file
== 0)
573 error (_("source command requires file name of file to source."));
575 if (!find_and_open_script (file
, search_path
, &stream
, &full_path
))
577 /* The script wasn't found, or was otherwise inaccessible.
578 If the source command was invoked interactively, throw an
579 error. Otherwise (e.g. if it was invoked by a script),
580 silently ignore the error. */
582 perror_with_name (file
);
587 old_cleanups
= make_cleanup (xfree
, full_path
);
588 make_cleanup_fclose (stream
);
589 /* The python support reopens the file, so we need to pass full_path here
590 in case the file was found on the search path. It's useful to do this
591 anyway so that error messages show the actual file used. But only do
592 this if we (may have) used search_path, as printing the full path in
593 errors for the non-search case can be more noise than signal. */
594 source_script_from_stream (stream
, search_path
? full_path
: file
);
595 do_cleanups (old_cleanups
);
598 /* Wrapper around source_script_with_search to export it to main.c
599 for use in loading .gdbinit scripts. */
602 source_script (char *file
, int from_tty
)
604 source_script_with_search (file
, from_tty
, 0);
607 /* Return the source_verbose global variable to its previous state
608 on exit from the source command, by whatever means. */
610 source_verbose_cleanup (void *old_value
)
612 source_verbose
= *(int *)old_value
;
617 source_command (char *args
, int from_tty
)
619 struct cleanup
*old_cleanups
;
621 int *old_source_verbose
= xmalloc (sizeof(int));
624 *old_source_verbose
= source_verbose
;
625 old_cleanups
= make_cleanup (source_verbose_cleanup
,
628 /* -v causes the source command to run in verbose mode.
629 -s causes the file to be searched in the source search path,
630 even if the file name contains a '/'.
631 We still have to be able to handle filenames with spaces in a
632 backward compatible way, so buildargv is not appropriate. */
636 while (args
[0] != '\0')
638 /* Make sure leading white space does not break the
640 while (isspace(args
[0]))
646 if (args
[1] == 'v' && isspace (args
[2]))
650 /* Skip passed -v. */
653 else if (args
[1] == 's' && isspace (args
[2]))
657 /* Skip passed -s. */
664 while (isspace (args
[0]))
669 source_script_with_search (file
, from_tty
, search_path
);
671 do_cleanups (old_cleanups
);
676 echo_command (char *text
, int from_tty
)
682 while ((c
= *p
++) != '\0')
686 /* \ at end of argument is used after spaces
687 so they won't be lost. */
691 c
= parse_escape (get_current_arch (), &p
);
693 printf_filtered ("%c", c
);
696 printf_filtered ("%c", c
);
699 /* Force this output to appear now. */
701 gdb_flush (gdb_stdout
);
705 shell_escape (char *arg
, int from_tty
)
707 #if defined(CANT_FORK) || \
708 (!defined(HAVE_WORKING_VFORK) && !defined(HAVE_WORKING_FORK))
709 /* If ARG is NULL, they want an inferior shell, but `system' just
710 reports if the shell is available when passed a NULL arg. */
711 int rc
= system (arg
? arg
: "");
714 arg
= "inferior shell";
718 fprintf_unfiltered (gdb_stderr
, "Cannot execute %s: %s\n", arg
,
719 safe_strerror (errno
));
720 gdb_flush (gdb_stderr
);
724 fprintf_unfiltered (gdb_stderr
, "%s exited with status %d\n", arg
, rc
);
725 gdb_flush (gdb_stderr
);
728 /* Make sure to return to the directory GDB thinks it is, in case
729 the shell command we just ran changed it. */
730 chdir (current_directory
);
732 #else /* Can fork. */
735 if ((pid
= vfork ()) == 0)
737 const char *p
, *user_shell
;
739 if ((user_shell
= (char *) getenv ("SHELL")) == NULL
)
740 user_shell
= "/bin/sh";
742 /* Get the name of the shell for arg0. */
743 p
= lbasename (user_shell
);
746 execl (user_shell
, p
, (char *) 0);
748 execl (user_shell
, p
, "-c", arg
, (char *) 0);
750 fprintf_unfiltered (gdb_stderr
, "Cannot execute %s: %s\n", user_shell
,
751 safe_strerror (errno
));
752 gdb_flush (gdb_stderr
);
757 waitpid (pid
, &status
, 0);
759 error (_("Fork failed"));
760 #endif /* Can fork. */
764 edit_command (char *arg
, int from_tty
)
766 struct symtabs_and_lines sals
;
767 struct symtab_and_line sal
;
773 /* Pull in the current default source line if necessary. */
776 set_default_source_symtab_and_line ();
777 sal
= get_current_source_symtab_and_line ();
780 /* Bare "edit" edits file with present line. */
785 error (_("No default source file yet."));
786 sal
.line
+= get_lines_to_list () / 2;
790 /* Now should only be one argument -- decode it in SAL. */
793 sals
= decode_line_1 (&arg1
, DECODE_LINE_LIST_MODE
, 0, 0);
803 ambiguous_line_spec (&sals
);
812 error (_("Junk at end of line specification."));
814 /* If line was specified by address, first print exactly which
815 line, and which file. In this case, sal.symtab == 0 means
816 address is outside of all known source files, not that user
817 failed to give a filename. */
820 struct gdbarch
*gdbarch
;
823 /* FIXME-32x64--assumes sal.pc fits in long. */
824 error (_("No source file for address %s."),
825 hex_string ((unsigned long) sal
.pc
));
827 gdbarch
= get_objfile_arch (sal
.symtab
->objfile
);
828 sym
= find_pc_function (sal
.pc
);
830 printf_filtered ("%s is in %s (%s:%d).\n",
831 paddress (gdbarch
, sal
.pc
),
832 SYMBOL_PRINT_NAME (sym
),
833 sal
.symtab
->filename
, sal
.line
);
835 printf_filtered ("%s is at %s:%d.\n",
836 paddress (gdbarch
, sal
.pc
),
837 sal
.symtab
->filename
, sal
.line
);
840 /* If what was given does not imply a symtab, it must be an
841 undebuggable symbol which means no source code. */
844 error (_("No line number known for %s."), arg
);
847 if ((editor
= (char *) getenv ("EDITOR")) == NULL
)
850 /* If we don't already know the full absolute file name of the
851 source file, find it now. */
852 if (!sal
.symtab
->fullname
)
854 fn
= symtab_to_fullname (sal
.symtab
);
859 fn
= sal
.symtab
->fullname
;
861 /* Quote the file name, in case it has whitespace or other special
863 p
= xstrprintf ("%s +%d \"%s\"", editor
, sal
.line
, fn
);
864 shell_escape (p
, from_tty
);
869 list_command (char *arg
, int from_tty
)
871 struct symtabs_and_lines sals
, sals_end
;
872 struct symtab_and_line sal
= { 0 };
873 struct symtab_and_line sal_end
= { 0 };
874 struct symtab_and_line cursal
= { 0 };
883 /* Pull in the current default source line if necessary. */
884 if (arg
== 0 || arg
[0] == '+' || arg
[0] == '-')
886 set_default_source_symtab_and_line ();
887 cursal
= get_current_source_symtab_and_line ();
890 /* "l" or "l +" lists next ten lines. */
892 if (arg
== 0 || strcmp (arg
, "+") == 0)
894 print_source_lines (cursal
.symtab
, cursal
.line
,
895 cursal
.line
+ get_lines_to_list (), 0);
899 /* "l -" lists previous ten lines, the ones before the ten just
901 if (strcmp (arg
, "-") == 0)
903 print_source_lines (cursal
.symtab
,
904 max (get_first_line_listed ()
905 - get_lines_to_list (), 1),
906 get_first_line_listed (), 0);
910 /* Now if there is only one argument, decode it in SAL
912 If there are two arguments, decode them in SAL and SAL_END
913 and clear NO_END; however, if one of the arguments is blank,
914 set DUMMY_BEG or DUMMY_END to record that fact. */
916 if (!have_full_symbols () && !have_partial_symbols ())
917 error (_("No symbol table is loaded. Use the \"file\" command."));
924 sals
= decode_line_1 (&arg1
, DECODE_LINE_LIST_MODE
, 0, 0);
931 ambiguous_line_spec (&sals
);
940 /* Record whether the BEG arg is all digits. */
942 for (p
= arg
; p
!= arg1
&& *p
>= '0' && *p
<= '9'; p
++);
943 linenum_beg
= (p
== arg1
);
945 while (*arg1
== ' ' || *arg1
== '\t')
951 while (*arg1
== ' ' || *arg1
== '\t')
958 sals_end
= decode_line_1 (&arg1
, DECODE_LINE_LIST_MODE
, 0, 0);
960 sals_end
= decode_line_1 (&arg1
, DECODE_LINE_LIST_MODE
,
961 sal
.symtab
, sal
.line
);
962 filter_sals (&sals_end
);
963 if (sals_end
.nelts
== 0)
965 if (sals_end
.nelts
> 1)
967 ambiguous_line_spec (&sals_end
);
968 xfree (sals_end
.sals
);
971 sal_end
= sals_end
.sals
[0];
972 xfree (sals_end
.sals
);
977 error (_("Junk at end of line specification."));
979 if (!no_end
&& !dummy_beg
&& !dummy_end
980 && sal
.symtab
!= sal_end
.symtab
)
981 error (_("Specified start and end are in different files."));
982 if (dummy_beg
&& dummy_end
)
983 error (_("Two empty args do not say what lines to list."));
985 /* If line was specified by address,
986 first print exactly which line, and which file.
988 In this case, sal.symtab == 0 means address is outside of all
989 known source files, not that user failed to give a filename. */
992 struct gdbarch
*gdbarch
;
995 /* FIXME-32x64--assumes sal.pc fits in long. */
996 error (_("No source file for address %s."),
997 hex_string ((unsigned long) sal
.pc
));
999 gdbarch
= get_objfile_arch (sal
.symtab
->objfile
);
1000 sym
= find_pc_function (sal
.pc
);
1002 printf_filtered ("%s is in %s (%s:%d).\n",
1003 paddress (gdbarch
, sal
.pc
),
1004 SYMBOL_PRINT_NAME (sym
),
1005 sal
.symtab
->filename
, sal
.line
);
1007 printf_filtered ("%s is at %s:%d.\n",
1008 paddress (gdbarch
, sal
.pc
),
1009 sal
.symtab
->filename
, sal
.line
);
1012 /* If line was not specified by just a line number, and it does not
1013 imply a symtab, it must be an undebuggable symbol which means no
1016 if (!linenum_beg
&& sal
.symtab
== 0)
1017 error (_("No line number known for %s."), arg
);
1019 /* If this command is repeated with RET,
1020 turn it into the no-arg variant. */
1025 if (dummy_beg
&& sal_end
.symtab
== 0)
1026 error (_("No default source file yet. Do \"help list\"."));
1028 print_source_lines (sal_end
.symtab
,
1029 max (sal_end
.line
- (get_lines_to_list () - 1), 1),
1030 sal_end
.line
+ 1, 0);
1031 else if (sal
.symtab
== 0)
1032 error (_("No default source file yet. Do \"help list\"."));
1035 int first_line
= sal
.line
- get_lines_to_list () / 2;
1037 if (first_line
< 1) first_line
= 1;
1039 print_source_lines (sal
.symtab
,
1041 first_line
+ get_lines_to_list (),
1045 print_source_lines (sal
.symtab
, sal
.line
,
1047 ? sal
.line
+ get_lines_to_list ()
1048 : sal_end
.line
+ 1),
1052 /* Subroutine of disassemble_command to simplify it.
1053 Perform the disassembly.
1054 NAME is the name of the function if known, or NULL.
1055 [LOW,HIGH) are the range of addresses to disassemble.
1056 MIXED is non-zero to print source with the assembler. */
1059 print_disassembly (struct gdbarch
*gdbarch
, const char *name
,
1060 CORE_ADDR low
, CORE_ADDR high
, int flags
)
1063 if (!tui_is_window_visible (DISASSEM_WIN
))
1066 printf_filtered ("Dump of assembler code ");
1068 printf_filtered ("for function %s:\n", name
);
1070 printf_filtered ("from %s to %s:\n",
1071 paddress (gdbarch
, low
), paddress (gdbarch
, high
));
1073 /* Dump the specified range. */
1074 gdb_disassembly (gdbarch
, current_uiout
, 0, flags
, -1, low
, high
);
1076 printf_filtered ("End of assembler dump.\n");
1077 gdb_flush (gdb_stdout
);
1082 tui_show_assembly (gdbarch
, low
);
1087 /* Subroutine of disassemble_command to simplify it.
1088 Print a disassembly of the current function according to FLAGS. */
1091 disassemble_current_function (int flags
)
1093 struct frame_info
*frame
;
1094 struct gdbarch
*gdbarch
;
1095 CORE_ADDR low
, high
, pc
;
1098 frame
= get_selected_frame (_("No frame selected."));
1099 gdbarch
= get_frame_arch (frame
);
1100 pc
= get_frame_pc (frame
);
1101 if (find_pc_partial_function (pc
, &name
, &low
, &high
) == 0)
1102 error (_("No function contains program counter for selected frame."));
1104 /* NOTE: cagney/2003-02-13 The `tui_active' was previously
1107 /* FIXME: cagney/2004-02-07: This should be an observer. */
1108 low
= tui_get_low_disassembly_address (gdbarch
, low
, pc
);
1110 low
+= gdbarch_deprecated_function_start_offset (gdbarch
);
1112 print_disassembly (gdbarch
, name
, low
, high
, flags
);
1115 /* Dump a specified section of assembly code.
1119 - dump the assembly code for the function of the current pc
1120 disassemble [/mr] addr
1121 - dump the assembly code for the function at ADDR
1122 disassemble [/mr] low,high
1123 disassemble [/mr] low,+length
1124 - dump the assembly code in the range [LOW,HIGH), or [LOW,LOW+length)
1126 A /m modifier will include source code with the assembly.
1127 A /r modifier will include raw instructions in hex with the assembly. */
1130 disassemble_command (char *arg
, int from_tty
)
1132 struct gdbarch
*gdbarch
= get_current_arch ();
1133 CORE_ADDR low
, high
;
1141 if (arg
&& *arg
== '/')
1146 error (_("Missing modifier."));
1148 while (*arg
&& ! isspace (*arg
))
1153 flags
|= DISASSEMBLY_SOURCE
;
1156 flags
|= DISASSEMBLY_RAW_INSN
;
1159 error (_("Invalid disassembly modifier."));
1163 while (isspace (*arg
))
1167 if (! arg
|| ! *arg
)
1169 flags
|= DISASSEMBLY_OMIT_FNAME
;
1170 disassemble_current_function (flags
);
1174 pc
= value_as_address (parse_to_comma_and_eval (&arg
));
1180 if (find_pc_partial_function (pc
, &name
, &low
, &high
) == 0)
1181 error (_("No function contains specified address."));
1183 /* NOTE: cagney/2003-02-13 The `tui_active' was previously
1186 /* FIXME: cagney/2004-02-07: This should be an observer. */
1187 low
= tui_get_low_disassembly_address (gdbarch
, low
, pc
);
1189 low
+= gdbarch_deprecated_function_start_offset (gdbarch
);
1190 flags
|= DISASSEMBLY_OMIT_FNAME
;
1194 /* Two arguments. */
1197 while (isspace (*arg
))
1204 high
= parse_and_eval_address (arg
);
1209 print_disassembly (gdbarch
, name
, low
, high
, flags
);
1213 make_command (char *arg
, int from_tty
)
1221 p
= xmalloc (sizeof ("make ") + strlen (arg
));
1222 strcpy (p
, "make ");
1223 strcpy (p
+ sizeof ("make ") - 1, arg
);
1226 shell_escape (p
, from_tty
);
1230 show_user (char *args
, int from_tty
)
1232 struct cmd_list_element
*c
;
1233 extern struct cmd_list_element
*cmdlist
;
1237 char *comname
= args
;
1239 c
= lookup_cmd (&comname
, cmdlist
, "", 0, 1);
1240 /* c->user_commands would be NULL if it's a python command. */
1241 if (c
->class != class_user
|| !c
->user_commands
)
1242 error (_("Not a user command."));
1243 show_user_1 (c
, "", args
, gdb_stdout
);
1247 for (c
= cmdlist
; c
; c
= c
->next
)
1249 if (c
->class == class_user
|| c
->prefixlist
!= NULL
)
1250 show_user_1 (c
, "", c
->name
, gdb_stdout
);
1255 /* Search through names of commands and documentations for a certain
1256 regular expression. */
1259 apropos_command (char *searchstr
, int from_tty
)
1264 if (searchstr
== NULL
)
1265 error (_("REGEXP string is empty"));
1267 code
= regcomp (&pattern
, searchstr
, REG_ICASE
);
1270 struct cleanup
*cleanups
;
1272 cleanups
= make_regfree_cleanup (&pattern
);
1273 apropos_cmd (gdb_stdout
, cmdlist
, &pattern
, "");
1274 do_cleanups (cleanups
);
1278 char *err
= get_regcomp_error (code
, &pattern
);
1280 make_cleanup (xfree
, err
);
1281 error (_("Error in regular expression: %s"), err
);
1285 /* Subroutine of alias_command to simplify it.
1286 Return the first N elements of ARGV flattened back to a string
1287 with a space separating each element.
1288 ARGV may not be NULL.
1289 This does not take care of quoting elements in case they contain spaces
1293 argv_to_dyn_string (char **argv
, int n
)
1296 dyn_string_t result
= dyn_string_new (10);
1298 gdb_assert (argv
!= NULL
);
1299 gdb_assert (n
>= 0 && n
<= countargv (argv
));
1301 for (i
= 0; i
< n
; ++i
)
1304 dyn_string_append_char (result
, ' ');
1305 dyn_string_append_cstr (result
, argv
[i
]);
1311 /* Subroutine of alias_command to simplify it.
1312 Return TRUE if COMMAND exists, unambiguously. Otherwise FALSE. */
1315 valid_command_p (char *command
)
1317 struct cmd_list_element
*c
;
1319 c
= lookup_cmd_1 (& command
, cmdlist
, NULL
, 1);
1321 if (c
== NULL
|| c
== (struct cmd_list_element
*) -1)
1324 /* This is the slightly tricky part.
1325 lookup_cmd_1 will return a pointer to the last part of COMMAND
1326 to match, leaving COMMAND pointing at the remainder. */
1327 while (*command
== ' ' || *command
== '\t')
1329 return *command
== '\0';
1332 /* Make an alias of an existing command. */
1335 alias_command (char *args
, int from_tty
)
1337 int i
, alias_argc
, command_argc
;
1338 int abbrev_flag
= 0;
1339 char *args2
, *equals
, *alias
, *command
;
1340 char **alias_argv
, **command_argv
;
1341 dyn_string_t alias_dyn_string
, command_dyn_string
;
1342 struct cmd_list_element
*c
;
1343 static const char usage
[] = N_("Usage: alias [-a] [--] ALIAS = COMMAND");
1345 if (args
== NULL
|| strchr (args
, '=') == NULL
)
1348 args2
= xstrdup (args
);
1349 make_cleanup (xfree
, args2
);
1350 equals
= strchr (args2
, '=');
1352 alias_argv
= gdb_buildargv (args2
);
1353 make_cleanup_freeargv (alias_argv
);
1354 command_argv
= gdb_buildargv (equals
+ 1);
1355 make_cleanup_freeargv (command_argv
);
1357 for (i
= 0; alias_argv
[i
] != NULL
; )
1359 if (strcmp (alias_argv
[i
], "-a") == 0)
1364 else if (strcmp (alias_argv
[i
], "--") == 0)
1373 if (alias_argv
[0] == NULL
|| command_argv
[0] == NULL
1374 || *alias_argv
[0] == '\0' || *command_argv
[0] == '\0')
1377 for (i
= 0; alias_argv
[i
] != NULL
; ++i
)
1379 if (! valid_user_defined_cmd_name_p (alias_argv
[i
]))
1382 error (_("Invalid command name: %s"), alias_argv
[i
]);
1384 error (_("Invalid command element name: %s"), alias_argv
[i
]);
1388 alias_argc
= countargv (alias_argv
);
1389 command_argc
= countargv (command_argv
);
1391 /* COMMAND must exist.
1392 Reconstruct the command to remove any extraneous spaces,
1393 for better error messages. */
1394 command_dyn_string
= argv_to_dyn_string (command_argv
, command_argc
);
1395 make_cleanup_dyn_string_delete (command_dyn_string
);
1396 command
= dyn_string_buf (command_dyn_string
);
1397 if (! valid_command_p (command
))
1398 error (_("Invalid command to alias to: %s"), command
);
1400 /* ALIAS must not exist. */
1401 alias_dyn_string
= argv_to_dyn_string (alias_argv
, alias_argc
);
1402 make_cleanup_dyn_string_delete (alias_dyn_string
);
1403 alias
= dyn_string_buf (alias_dyn_string
);
1404 if (valid_command_p (alias
))
1405 error (_("Alias already exists: %s"), alias
);
1407 /* If ALIAS is one word, it is an alias for the entire COMMAND.
1408 Example: alias spe = set print elements
1410 Otherwise ALIAS and COMMAND must have the same number of words,
1411 and every word except the last must match; and the last word of
1412 ALIAS is made an alias of the last word of COMMAND.
1413 Example: alias set print elms = set pr elem
1414 Note that unambiguous abbreviations are allowed. */
1416 if (alias_argc
== 1)
1418 /* add_cmd requires *we* allocate space for name, hence the xstrdup. */
1419 add_com_alias (xstrdup (alias_argv
[0]), command
, class_alias
,
1424 dyn_string_t alias_prefix_dyn_string
, command_prefix_dyn_string
;
1425 char *alias_prefix
, *command_prefix
;
1426 struct cmd_list_element
*c_alias
, *c_command
;
1428 if (alias_argc
!= command_argc
)
1429 error (_("Mismatched command length between ALIAS and COMMAND."));
1431 /* Create copies of ALIAS and COMMAND without the last word,
1432 and use that to verify the leading elements match. */
1433 alias_prefix_dyn_string
=
1434 argv_to_dyn_string (alias_argv
, alias_argc
- 1);
1435 make_cleanup_dyn_string_delete (alias_prefix_dyn_string
);
1436 command_prefix_dyn_string
=
1437 argv_to_dyn_string (alias_argv
, command_argc
- 1);
1438 make_cleanup_dyn_string_delete (command_prefix_dyn_string
);
1439 alias_prefix
= dyn_string_buf (alias_prefix_dyn_string
);
1440 command_prefix
= dyn_string_buf (command_prefix_dyn_string
);
1442 c_command
= lookup_cmd_1 (& command_prefix
, cmdlist
, NULL
, 1);
1443 /* We've already tried to look up COMMAND. */
1444 gdb_assert (c_command
!= NULL
1445 && c_command
!= (struct cmd_list_element
*) -1);
1446 gdb_assert (c_command
->prefixlist
!= NULL
);
1447 c_alias
= lookup_cmd_1 (& alias_prefix
, cmdlist
, NULL
, 1);
1448 if (c_alias
!= c_command
)
1449 error (_("ALIAS and COMMAND prefixes do not match."));
1451 /* add_cmd requires *we* allocate space for name, hence the xstrdup. */
1452 add_alias_cmd (xstrdup (alias_argv
[alias_argc
- 1]),
1453 command_argv
[command_argc
- 1],
1454 class_alias
, abbrev_flag
, c_command
->prefixlist
);
1458 /* Print a list of files and line numbers which a user may choose from
1459 in order to list a function which was specified ambiguously (as
1460 with `list classname::overloadedfuncname', for example). The
1461 vector in SALS provides the filenames and line numbers. */
1464 ambiguous_line_spec (struct symtabs_and_lines
*sals
)
1468 for (i
= 0; i
< sals
->nelts
; ++i
)
1469 printf_filtered (_("file: \"%s\", line number: %d\n"),
1470 sals
->sals
[i
].symtab
->filename
, sals
->sals
[i
].line
);
1473 /* Sort function for filter_sals. */
1476 compare_symtabs (const void *a
, const void *b
)
1478 const struct symtab_and_line
*sala
= a
;
1479 const struct symtab_and_line
*salb
= b
;
1482 if (!sala
->symtab
->dirname
)
1484 if (salb
->symtab
->dirname
)
1487 else if (!salb
->symtab
->dirname
)
1489 if (sala
->symtab
->dirname
)
1494 r
= filename_cmp (sala
->symtab
->dirname
, salb
->symtab
->dirname
);
1499 r
= filename_cmp (sala
->symtab
->filename
, salb
->symtab
->filename
);
1503 if (sala
->line
< salb
->line
)
1505 return sala
->line
== salb
->line
? 0 : 1;
1508 /* Remove any SALs that do not match the current program space, or
1509 which appear to be "file:line" duplicates. */
1512 filter_sals (struct symtabs_and_lines
*sals
)
1517 for (i
= 0; i
< sals
->nelts
; ++i
)
1519 if (sals
->sals
[i
].pspace
== current_program_space
1520 && sals
->sals
[i
].symtab
!= NULL
)
1522 sals
->sals
[out
] = sals
->sals
[i
];
1528 qsort (sals
->sals
, sals
->nelts
, sizeof (struct symtab_and_line
),
1533 for (i
= 1; i
< sals
->nelts
; ++i
)
1535 if (compare_symtabs (&sals
->sals
[prev
], &sals
->sals
[i
]))
1537 /* Symtabs differ. */
1538 sals
->sals
[out
] = sals
->sals
[i
];
1545 if (sals
->nelts
== 0)
1553 set_debug (char *arg
, int from_tty
)
1555 printf_unfiltered (_("\"set debug\" must be followed by "
1556 "the name of a debug subcommand.\n"));
1557 help_list (setdebuglist
, "set debug ", -1, gdb_stdout
);
1561 show_debug (char *args
, int from_tty
)
1563 cmd_show_list (showdebuglist
, from_tty
, "");
1567 init_cmd_lists (void)
1569 max_user_call_depth
= 1024;
1579 enablebreaklist
= NULL
;
1584 showhistlist
= NULL
;
1585 unsethistlist
= NULL
;
1586 maintenancelist
= NULL
;
1587 maintenanceinfolist
= NULL
;
1588 maintenanceprintlist
= NULL
;
1589 setprintlist
= NULL
;
1590 showprintlist
= NULL
;
1591 setchecklist
= NULL
;
1592 showchecklist
= NULL
;
1597 show_info_verbose (struct ui_file
*file
, int from_tty
,
1598 struct cmd_list_element
*c
,
1602 fprintf_filtered (file
,
1603 _("Verbose printing of informational messages is %s.\n"),
1606 fprintf_filtered (file
, _("Verbosity is %s.\n"), value
);
1610 show_history_expansion_p (struct ui_file
*file
, int from_tty
,
1611 struct cmd_list_element
*c
, const char *value
)
1613 fprintf_filtered (file
, _("History expansion on command input is %s.\n"),
1618 show_baud_rate (struct ui_file
*file
, int from_tty
,
1619 struct cmd_list_element
*c
, const char *value
)
1621 fprintf_filtered (file
, _("Baud rate for remote serial I/O is %s.\n"),
1626 show_remote_debug (struct ui_file
*file
, int from_tty
,
1627 struct cmd_list_element
*c
, const char *value
)
1629 fprintf_filtered (file
, _("Debugging of remote protocol is %s.\n"),
1634 show_remote_timeout (struct ui_file
*file
, int from_tty
,
1635 struct cmd_list_element
*c
, const char *value
)
1637 fprintf_filtered (file
,
1638 _("Timeout limit to wait for target to respond is %s.\n"),
1643 show_max_user_call_depth (struct ui_file
*file
, int from_tty
,
1644 struct cmd_list_element
*c
, const char *value
)
1646 fprintf_filtered (file
,
1647 _("The max call depth for user-defined commands is %s.\n"),
1653 init_cli_cmds (void)
1655 struct cmd_list_element
*c
;
1656 char *source_help_text
;
1658 /* Define the classes of commands.
1659 They will appear in the help list in alphabetical order. */
1661 add_cmd ("internals", class_maintenance
, NULL
, _("\
1662 Maintenance commands.\n\
1663 Some gdb commands are provided just for use by gdb maintainers.\n\
1664 These commands are subject to frequent change, and may not be as\n\
1665 well documented as user commands."),
1667 add_cmd ("obscure", class_obscure
, NULL
, _("Obscure features."), &cmdlist
);
1668 add_cmd ("aliases", class_alias
, NULL
,
1669 _("Aliases of other commands."), &cmdlist
);
1670 add_cmd ("user-defined", class_user
, NULL
, _("\
1671 User-defined commands.\n\
1672 The commands in this class are those defined by the user.\n\
1673 Use the \"define\" command to define a command."), &cmdlist
);
1674 add_cmd ("support", class_support
, NULL
, _("Support facilities."), &cmdlist
);
1676 add_cmd ("status", class_info
, NULL
, _("Status inquiries."), &cmdlist
);
1677 add_cmd ("files", class_files
, NULL
, _("Specifying and examining files."),
1679 add_cmd ("breakpoints", class_breakpoint
, NULL
,
1680 _("Making program stop at certain points."), &cmdlist
);
1681 add_cmd ("data", class_vars
, NULL
, _("Examining data."), &cmdlist
);
1682 add_cmd ("stack", class_stack
, NULL
, _("\
1683 Examining the stack.\n\
1684 The stack is made up of stack frames. Gdb assigns numbers to stack frames\n\
1685 counting from zero for the innermost (currently executing) frame.\n\n\
1686 At any time gdb identifies one frame as the \"selected\" frame.\n\
1687 Variable lookups are done with respect to the selected frame.\n\
1688 When the program being debugged stops, gdb selects the innermost frame.\n\
1689 The commands below can be used to select other frames by number or address."),
1691 add_cmd ("running", class_run
, NULL
, _("Running the program."), &cmdlist
);
1693 /* Define general commands. */
1695 add_com ("pwd", class_files
, pwd_command
, _("\
1696 Print working directory. This is used for your program as well."));
1698 c
= add_cmd ("cd", class_files
, cd_command
, _("\
1699 Set working directory to DIR for debugger and program being debugged.\n\
1700 The change does not take effect for the program being debugged\n\
1701 until the next time it is started."), &cmdlist
);
1702 set_cmd_completer (c
, filename_completer
);
1704 add_com ("echo", class_support
, echo_command
, _("\
1705 Print a constant string. Give string as argument.\n\
1706 C escape sequences may be used in the argument.\n\
1707 No newline is added at the end of the argument;\n\
1708 use \"\\n\" if you want a newline to be printed.\n\
1709 Since leading and trailing whitespace are ignored in command arguments,\n\
1710 if you want to print some you must use \"\\\" before leading whitespace\n\
1711 to be printed or after trailing whitespace."));
1712 add_com ("document", class_support
, document_command
, _("\
1713 Document a user-defined command.\n\
1714 Give command name as argument. Give documentation on following lines.\n\
1715 End with a line of just \"end\"."));
1716 add_com ("define", class_support
, define_command
, _("\
1717 Define a new command name. Command name is argument.\n\
1718 Definition appears on following lines, one command per line.\n\
1719 End with a line of just \"end\".\n\
1720 Use the \"document\" command to give documentation for the new command.\n\
1721 Commands defined in this way may have up to ten arguments."));
1723 source_help_text
= xstrprintf (_("\
1724 Read commands from a file named FILE.\n\
1726 Usage: source [-s] [-v] FILE\n\
1727 -s: search for the script in the source search path,\n\
1728 even if FILE contains directories.\n\
1729 -v: each command in FILE is echoed as it is executed.\n\
1731 Note that the file \"%s\" is read automatically in this way\n\
1732 when GDB is started."), gdbinit
);
1733 c
= add_cmd ("source", class_support
, source_command
,
1734 source_help_text
, &cmdlist
);
1735 set_cmd_completer (c
, filename_completer
);
1737 add_setshow_enum_cmd ("script-extension", class_support
,
1738 script_ext_enums
, &script_ext_mode
, _("\
1739 Set mode for script filename extension recognition."), _("\
1740 Show mode for script filename extension recognition."), _("\
1741 off == no filename extension recognition (all sourced files are GDB scripts)\n\
1742 soft == evaluate script according to filename extension, fallback to GDB script"
1744 strict == evaluate script according to filename extension, error if not supported"
1747 show_script_ext_mode
,
1748 &setlist
, &showlist
);
1750 add_com ("quit", class_support
, quit_command
, _("Exit gdb."));
1751 c
= add_com ("help", class_support
, help_command
,
1752 _("Print list of commands."));
1753 set_cmd_completer (c
, command_completer
);
1754 add_com_alias ("q", "quit", class_support
, 1);
1755 add_com_alias ("h", "help", class_support
, 1);
1757 add_setshow_boolean_cmd ("verbose", class_support
, &info_verbose
, _("\
1758 Set verbosity."), _("\
1759 Show verbosity."), NULL
,
1762 &setlist
, &showlist
);
1764 add_prefix_cmd ("history", class_support
, set_history
,
1765 _("Generic command for setting command history parameters."),
1766 &sethistlist
, "set history ", 0, &setlist
);
1767 add_prefix_cmd ("history", class_support
, show_history
,
1768 _("Generic command for showing command history parameters."),
1769 &showhistlist
, "show history ", 0, &showlist
);
1771 add_setshow_boolean_cmd ("expansion", no_class
, &history_expansion_p
, _("\
1772 Set history expansion on command input."), _("\
1773 Show history expansion on command input."), _("\
1774 Without an argument, history expansion is enabled."),
1776 show_history_expansion_p
,
1777 &sethistlist
, &showhistlist
);
1779 add_prefix_cmd ("info", class_info
, info_command
, _("\
1780 Generic command for showing things about the program being debugged."),
1781 &infolist
, "info ", 0, &cmdlist
);
1782 add_com_alias ("i", "info", class_info
, 1);
1783 add_com_alias ("inf", "info", class_info
, 1);
1785 add_com ("complete", class_obscure
, complete_command
,
1786 _("List the completions for the rest of the line as a command."));
1788 add_prefix_cmd ("show", class_info
, show_command
, _("\
1789 Generic command for showing things about the debugger."),
1790 &showlist
, "show ", 0, &cmdlist
);
1791 /* Another way to get at the same thing. */
1792 add_info ("set", show_command
, _("Show all GDB settings."));
1794 add_cmd ("commands", no_set_class
, show_commands
, _("\
1795 Show the history of commands you typed.\n\
1796 You can supply a command number to start with, or a `+' to start after\n\
1797 the previous command number shown."),
1800 add_cmd ("version", no_set_class
, show_version
,
1801 _("Show what version of GDB this is."), &showlist
);
1803 add_com ("while", class_support
, while_command
, _("\
1804 Execute nested commands WHILE the conditional expression is non zero.\n\
1805 The conditional expression must follow the word `while' and must in turn be\n\
1806 followed by a new line. The nested commands must be entered one per line,\n\
1807 and should be terminated by the word `end'."));
1809 add_com ("if", class_support
, if_command
, _("\
1810 Execute nested commands once IF the conditional expression is non zero.\n\
1811 The conditional expression must follow the word `if' 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 'else' or `end'. If an else clause\n\
1814 is used, the same rules apply to its nested commands as to the first ones."));
1816 /* If target is open when baud changes, it doesn't take effect until
1817 the next open (I think, not sure). */
1818 add_setshow_zinteger_cmd ("remotebaud", no_class
, &baud_rate
, _("\
1819 Set baud rate for remote serial I/O."), _("\
1820 Show baud rate for remote serial I/O."), _("\
1821 This value is used to set the speed of the serial port when debugging\n\
1822 using remote targets."),
1825 &setlist
, &showlist
);
1827 add_setshow_zinteger_cmd ("remote", no_class
, &remote_debug
, _("\
1828 Set debugging of remote protocol."), _("\
1829 Show debugging of remote protocol."), _("\
1830 When enabled, each packet sent or received with the remote target\n\
1834 &setdebuglist
, &showdebuglist
);
1836 add_setshow_integer_cmd ("remotetimeout", no_class
, &remote_timeout
, _("\
1837 Set timeout limit to wait for target to respond."), _("\
1838 Show timeout limit to wait for target to respond."), _("\
1839 This value is used to set the time limit for gdb to wait for a response\n\
1842 show_remote_timeout
,
1843 &setlist
, &showlist
);
1845 add_prefix_cmd ("debug", no_class
, set_debug
,
1846 _("Generic command for setting gdb debugging flags"),
1847 &setdebuglist
, "set debug ", 0, &setlist
);
1849 add_prefix_cmd ("debug", no_class
, show_debug
,
1850 _("Generic command for showing gdb debugging flags"),
1851 &showdebuglist
, "show debug ", 0, &showlist
);
1853 c
= add_com ("shell", class_support
, shell_escape
, _("\
1854 Execute the rest of the line as a shell command.\n\
1855 With no arguments, run an inferior shell."));
1856 set_cmd_completer (c
, filename_completer
);
1858 c
= add_com ("edit", class_files
, edit_command
, _("\
1859 Edit specified file or function.\n\
1860 With no argument, edits file containing most recent line listed.\n\
1861 Editing targets can be specified in these ways:\n\
1862 FILE:LINENUM, to edit at that line in that file,\n\
1863 FUNCTION, to edit at the beginning of that function,\n\
1864 FILE:FUNCTION, to distinguish among like-named static functions.\n\
1865 *ADDRESS, to edit at the line containing that address.\n\
1866 Uses EDITOR environment variable contents as editor (or ex as default)."));
1868 c
->completer
= location_completer
;
1870 add_com ("list", class_files
, list_command
, _("\
1871 List specified function or line.\n\
1872 With no argument, lists ten more lines after or around previous listing.\n\
1873 \"list -\" lists the ten lines before a previous ten-line listing.\n\
1874 One argument specifies a line, and ten lines are listed around that line.\n\
1875 Two arguments with comma between specify starting and ending lines to list.\n\
1876 Lines can be specified in these ways:\n\
1877 LINENUM, to list around that line in current file,\n\
1878 FILE:LINENUM, to list around that line in that file,\n\
1879 FUNCTION, to list around beginning of that function,\n\
1880 FILE:FUNCTION, to distinguish among like-named static functions.\n\
1881 *ADDRESS, to list around the line containing that address.\n\
1882 With two args if one is empty it stands for ten lines away from \
1886 add_com_alias ("l", "list", class_files
, 1);
1888 add_com_alias ("v", "list", class_files
, 1);
1891 add_com_alias ("file", "list", class_files
, 1);
1893 c
= add_com ("disassemble", class_vars
, disassemble_command
, _("\
1894 Disassemble a specified section of memory.\n\
1895 Default is the function surrounding the pc of the selected frame.\n\
1896 With a /m modifier, source lines are included (if available).\n\
1897 With a /r modifier, raw instructions in hex are included.\n\
1898 With a single argument, the function surrounding that address is dumped.\n\
1899 Two arguments (separated by a comma) are taken as a range of memory to dump,\n\
1900 in the form of \"start,end\", or \"start,+length\"."));
1901 set_cmd_completer (c
, location_completer
);
1903 add_com_alias ("va", "disassemble", class_xdb
, 0);
1905 add_com_alias ("!", "shell", class_support
, 0);
1907 c
= add_com ("make", class_support
, make_command
, _("\
1908 Run the ``make'' program using the rest of the line as arguments."));
1909 set_cmd_completer (c
, filename_completer
);
1910 add_cmd ("user", no_class
, show_user
, _("\
1911 Show definitions of non-python user defined commands.\n\
1912 Argument is the name of the user defined command.\n\
1913 With no argument, show definitions of all user defined commands."), &showlist
);
1914 add_com ("apropos", class_support
, apropos_command
,
1915 _("Search for commands matching a REGEXP"));
1917 add_setshow_integer_cmd ("max-user-call-depth", no_class
,
1918 &max_user_call_depth
, _("\
1919 Set the max call depth for non-python user-defined commands."), _("\
1920 Show the max call depth for non-python user-defined commands."), NULL
,
1922 show_max_user_call_depth
,
1923 &setlist
, &showlist
);
1925 add_setshow_boolean_cmd ("trace-commands", no_class
, &trace_commands
, _("\
1926 Set tracing of GDB CLI commands."), _("\
1927 Show state of GDB CLI command tracing."), _("\
1928 When 'on', each command is displayed as it is executed."),
1931 &setlist
, &showlist
);
1933 c
= add_com ("alias", class_support
, alias_command
, _("\
1934 Define a new command that is an alias of an existing command.\n\
1935 Usage: alias [-a] [--] ALIAS = COMMAND\n\
1936 ALIAS is the name of the alias command to create.\n\
1937 COMMAND is the command being aliased to.\n\
1938 If \"-a\" is specified, the command is an abbreviation,\n\
1939 and will not appear in help command list output.\n\
1942 Make \"spe\" an alias of \"set print elements\":\n\
1943 alias spe = set print elements\n\
1944 Make \"elms\" an alias of \"elements\" in the \"set print\" command:\n\
1945 alias -a set print elms = set print elements"));