3 Copyright (C) 2000-2013 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"
50 #include "cli/cli-utils.h"
52 #include "python/python.h"
55 #include "tui/tui.h" /* For tui_active et.al. */
60 /* Prototypes for local command functions */
62 static void complete_command (char *, int);
64 static void echo_command (char *, int);
66 static void pwd_command (char *, int);
68 static void show_version (char *, int);
70 static void help_command (char *, int);
72 static void show_command (char *, int);
74 static void info_command (char *, int);
76 static void show_debug (char *, int);
78 static void set_debug (char *, int);
80 static void show_user (char *, int);
82 static void make_command (char *, int);
84 static void shell_escape (char *, int);
86 static void edit_command (char *, int);
88 static void list_command (char *, int);
90 /* Prototypes for local utility functions */
92 static void ambiguous_line_spec (struct symtabs_and_lines
*);
94 static void filter_sals (struct symtabs_and_lines
*);
97 /* Limit the call depth of user-defined commands */
98 unsigned int max_user_call_depth
;
100 /* Define all cmd_list_elements. */
102 /* Chain containing all defined commands. */
104 struct cmd_list_element
*cmdlist
;
106 /* Chain containing all defined info subcommands. */
108 struct cmd_list_element
*infolist
;
110 /* Chain containing all defined enable subcommands. */
112 struct cmd_list_element
*enablelist
;
114 /* Chain containing all defined disable subcommands. */
116 struct cmd_list_element
*disablelist
;
118 /* Chain containing all defined toggle subcommands. */
120 struct cmd_list_element
*togglelist
;
122 /* Chain containing all defined stop subcommands. */
124 struct cmd_list_element
*stoplist
;
126 /* Chain containing all defined delete subcommands. */
128 struct cmd_list_element
*deletelist
;
130 /* Chain containing all defined detach subcommands. */
132 struct cmd_list_element
*detachlist
;
134 /* Chain containing all defined kill subcommands. */
136 struct cmd_list_element
*killlist
;
138 /* Chain containing all defined set subcommands */
140 struct cmd_list_element
*setlist
;
142 /* Chain containing all defined unset subcommands */
144 struct cmd_list_element
*unsetlist
;
146 /* Chain containing all defined show subcommands. */
148 struct cmd_list_element
*showlist
;
150 /* Chain containing all defined \"set history\". */
152 struct cmd_list_element
*sethistlist
;
154 /* Chain containing all defined \"show history\". */
156 struct cmd_list_element
*showhistlist
;
158 /* Chain containing all defined \"unset history\". */
160 struct cmd_list_element
*unsethistlist
;
162 /* Chain containing all defined maintenance subcommands. */
164 struct cmd_list_element
*maintenancelist
;
166 /* Chain containing all defined "maintenance info" subcommands. */
168 struct cmd_list_element
*maintenanceinfolist
;
170 /* Chain containing all defined "maintenance print" subcommands. */
172 struct cmd_list_element
*maintenanceprintlist
;
174 struct cmd_list_element
*setprintlist
;
176 struct cmd_list_element
*showprintlist
;
178 struct cmd_list_element
*setdebuglist
;
180 struct cmd_list_element
*showdebuglist
;
182 struct cmd_list_element
*setchecklist
;
184 struct cmd_list_element
*showchecklist
;
186 /* Command tracing state. */
188 int source_verbose
= 0;
189 int trace_commands
= 0;
191 /* 'script-extension' option support. */
193 static const char script_ext_off
[] = "off";
194 static const char script_ext_soft
[] = "soft";
195 static const char script_ext_strict
[] = "strict";
197 static const char *const script_ext_enums
[] = {
204 static const char *script_ext_mode
= script_ext_soft
;
206 /* Utility used everywhere when at least one argument is needed and
210 error_no_arg (char *why
)
212 error (_("Argument required (%s)."), why
);
215 /* The "info" command is defined as a prefix, with allow_unknown = 0.
216 Therefore, its own definition is called only for "info" with no
220 info_command (char *arg
, int from_tty
)
222 printf_unfiltered (_("\"info\" must be followed by "
223 "the name of an info command.\n"));
224 help_list (infolist
, "info ", -1, gdb_stdout
);
227 /* The "show" command with no arguments shows all the settings. */
230 show_command (char *arg
, int from_tty
)
232 cmd_show_list (showlist
, from_tty
, "");
235 /* Provide documentation on command or list given by COMMAND. FROM_TTY
239 help_command (char *command
, int from_tty
)
241 help_cmd (command
, gdb_stdout
);
244 /* The "complete" command is used by Emacs to implement completion. */
247 complete_command (char *arg
, int from_tty
)
250 char *point
, *arg_prefix
;
251 VEC (char_ptr
) *completions
;
257 argpoint
= strlen (arg
);
259 /* complete_line assumes that its first argument is somewhere
260 within, and except for filenames at the beginning of, the word to
261 be completed. The following crude imitation of readline's
262 word-breaking tries to accomodate this. */
263 point
= arg
+ argpoint
;
266 if (strchr (rl_completer_word_break_characters
, point
[-1]) != 0)
271 arg_prefix
= alloca (point
- arg
+ 1);
272 memcpy (arg_prefix
, arg
, point
- arg
);
273 arg_prefix
[point
- arg
] = 0;
275 completions
= complete_line (point
, arg
, argpoint
);
279 int ix
, size
= VEC_length (char_ptr
, completions
);
280 char *item
, *prev
= NULL
;
282 qsort (VEC_address (char_ptr
, completions
), size
,
283 sizeof (char *), compare_strings
);
285 /* We do extra processing here since we only want to print each
287 for (ix
= 0; VEC_iterate (char_ptr
, completions
, ix
, item
); ++ix
)
289 if (prev
== NULL
|| strcmp (item
, prev
) != 0)
291 printf_unfiltered ("%s%s\n", arg_prefix
, item
);
300 VEC_free (char_ptr
, completions
);
305 is_complete_command (struct cmd_list_element
*c
)
307 return cmd_cfunc_eq (c
, complete_command
);
311 show_version (char *args
, int from_tty
)
313 print_gdb_version (gdb_stdout
);
314 printf_filtered ("\n");
317 /* Handle the quit command. */
320 quit_command (char *args
, int from_tty
)
322 if (!quit_confirm ())
323 error (_("Not confirmed."));
325 disconnect_tracing (from_tty
);
327 quit_force (args
, from_tty
);
331 pwd_command (char *args
, int from_tty
)
334 error (_("The \"pwd\" command does not take an argument: %s"), args
);
335 if (! getcwd (gdb_dirbuf
, sizeof (gdb_dirbuf
)))
336 error (_("Error finding name of working directory: %s"),
337 safe_strerror (errno
));
339 if (strcmp (gdb_dirbuf
, current_directory
) != 0)
340 printf_unfiltered (_("Working directory %s\n (canonically %s).\n"),
341 current_directory
, gdb_dirbuf
);
343 printf_unfiltered (_("Working directory %s.\n"), current_directory
);
347 cd_command (char *dir
, int from_tty
)
350 /* Found something other than leading repetitions of "/..". */
354 /* If the new directory is absolute, repeat is a no-op; if relative,
355 repeat might be useful but is more likely to be a mistake. */
361 dir
= tilde_expand (dir
);
362 make_cleanup (xfree
, dir
);
365 perror_with_name (dir
);
367 #ifdef HAVE_DOS_BASED_FILE_SYSTEM
368 /* There's too much mess with DOSish names like "d:", "d:.",
369 "d:./foo" etc. Instead of having lots of special #ifdef'ed code,
370 simply get the canonicalized name of the current directory. */
371 dir
= getcwd (gdb_dirbuf
, sizeof (gdb_dirbuf
));
375 if (IS_DIR_SEPARATOR (dir
[len
- 1]))
377 /* Remove the trailing slash unless this is a root directory
378 (including a drive letter on non-Unix systems). */
379 if (!(len
== 1) /* "/" */
380 #ifdef HAVE_DOS_BASED_FILE_SYSTEM
381 && !(len
== 3 && dir
[1] == ':') /* "d:/" */
387 dir
= savestring (dir
, len
);
388 if (IS_ABSOLUTE_PATH (dir
))
389 current_directory
= dir
;
392 if (IS_DIR_SEPARATOR (current_directory
[strlen (current_directory
) - 1]))
393 current_directory
= concat (current_directory
, dir
, (char *)NULL
);
395 current_directory
= concat (current_directory
, SLASH_STRING
,
400 /* Now simplify any occurrences of `.' and `..' in the pathname. */
403 for (p
= current_directory
; *p
;)
405 if (IS_DIR_SEPARATOR (p
[0]) && p
[1] == '.'
406 && (p
[2] == 0 || IS_DIR_SEPARATOR (p
[2])))
407 memmove (p
, p
+ 2, strlen (p
+ 2) + 1);
408 else if (IS_DIR_SEPARATOR (p
[0]) && p
[1] == '.' && p
[2] == '.'
409 && (p
[3] == 0 || IS_DIR_SEPARATOR (p
[3])))
413 /* Search backwards for the directory just before the "/.."
414 and obliterate it and the "/..". */
417 while (q
!= current_directory
&& !IS_DIR_SEPARATOR (q
[-1]))
420 if (q
== current_directory
)
421 /* current_directory is
422 a relative pathname ("can't happen"--leave it alone). */
426 memmove (q
- 1, p
+ 3, strlen (p
+ 3) + 1);
431 /* We are dealing with leading repetitions of "/..", for
432 example "/../..", which is the Mach super-root. */
442 forget_cached_source_info ();
445 pwd_command ((char *) 0, 1);
448 /* Show the current value of the 'script-extension' option. */
451 show_script_ext_mode (struct ui_file
*file
, int from_tty
,
452 struct cmd_list_element
*c
, const char *value
)
454 fprintf_filtered (file
,
455 _("Script filename extension recognition is \"%s\".\n"),
459 /* Try to open SCRIPT_FILE.
460 If successful, the full path name is stored in *FULL_PATHP,
461 the stream is stored in *STREAMP, and return 1.
462 The caller is responsible for freeing *FULL_PATHP.
463 If not successful, return 0; errno is set for the last file
466 If SEARCH_PATH is non-zero, and the file isn't found in cwd,
467 search for it in the source search path. */
470 find_and_open_script (const char *script_file
, int search_path
,
471 FILE **streamp
, char **full_pathp
)
475 struct cleanup
*old_cleanups
;
476 int search_flags
= OPF_TRY_CWD_FIRST
;
478 file
= tilde_expand (script_file
);
479 old_cleanups
= make_cleanup (xfree
, file
);
482 search_flags
|= OPF_SEARCH_IN_PATH
;
484 /* Search for and open 'file' on the search path used for source
485 files. Put the full location in *FULL_PATHP. */
486 fd
= openp (source_path
, search_flags
,
487 file
, O_RDONLY
, full_pathp
);
491 int save_errno
= errno
;
492 do_cleanups (old_cleanups
);
497 do_cleanups (old_cleanups
);
499 *streamp
= fdopen (fd
, FOPEN_RT
);
500 if (*streamp
== NULL
)
502 int save_errno
= errno
;
514 /* Load script FILE, which has already been opened as STREAM. */
517 source_script_from_stream (FILE *stream
, const char *file
)
519 if (script_ext_mode
!= script_ext_off
520 && strlen (file
) > 3 && !strcmp (&file
[strlen (file
) - 3], ".py"))
522 volatile struct gdb_exception e
;
524 TRY_CATCH (e
, RETURN_MASK_ERROR
)
526 source_python_script (stream
, file
);
530 /* Should we fallback to ye olde GDB script mode? */
531 if (script_ext_mode
== script_ext_soft
532 && e
.reason
== RETURN_ERROR
&& e
.error
== UNSUPPORTED_ERROR
)
534 fseek (stream
, 0, SEEK_SET
);
535 script_from_file (stream
, (char*) file
);
539 /* Nope, just punt. */
545 script_from_file (stream
, file
);
548 /* Worker to perform the "source" command.
550 If SEARCH_PATH is non-zero, and the file isn't found in cwd,
551 search for it in the source search path. */
554 source_script_with_search (const char *file
, int from_tty
, int search_path
)
558 struct cleanup
*old_cleanups
;
560 if (file
== NULL
|| *file
== 0)
561 error (_("source command requires file name of file to source."));
563 if (!find_and_open_script (file
, search_path
, &stream
, &full_path
))
565 /* The script wasn't found, or was otherwise inaccessible.
566 If the source command was invoked interactively, throw an
567 error. Otherwise (e.g. if it was invoked by a script),
568 silently ignore the error. */
570 perror_with_name (file
);
575 old_cleanups
= make_cleanup (xfree
, full_path
);
576 make_cleanup_fclose (stream
);
577 /* The python support reopens the file, so we need to pass full_path here
578 in case the file was found on the search path. It's useful to do this
579 anyway so that error messages show the actual file used. But only do
580 this if we (may have) used search_path, as printing the full path in
581 errors for the non-search case can be more noise than signal. */
582 source_script_from_stream (stream
, search_path
? full_path
: file
);
583 do_cleanups (old_cleanups
);
586 /* Wrapper around source_script_with_search to export it to main.c
587 for use in loading .gdbinit scripts. */
590 source_script (char *file
, int from_tty
)
592 source_script_with_search (file
, from_tty
, 0);
595 /* Return the source_verbose global variable to its previous state
596 on exit from the source command, by whatever means. */
598 source_verbose_cleanup (void *old_value
)
600 source_verbose
= *(int *)old_value
;
605 source_command (char *args
, int from_tty
)
607 struct cleanup
*old_cleanups
;
609 int *old_source_verbose
= xmalloc (sizeof(int));
612 *old_source_verbose
= source_verbose
;
613 old_cleanups
= make_cleanup (source_verbose_cleanup
,
616 /* -v causes the source command to run in verbose mode.
617 -s causes the file to be searched in the source search path,
618 even if the file name contains a '/'.
619 We still have to be able to handle filenames with spaces in a
620 backward compatible way, so buildargv is not appropriate. */
624 while (args
[0] != '\0')
626 /* Make sure leading white space does not break the
628 args
= skip_spaces (args
);
633 if (args
[1] == 'v' && isspace (args
[2]))
637 /* Skip passed -v. */
640 else if (args
[1] == 's' && isspace (args
[2]))
644 /* Skip passed -s. */
651 file
= skip_spaces (args
);
654 source_script_with_search (file
, from_tty
, search_path
);
656 do_cleanups (old_cleanups
);
661 echo_command (char *text
, int from_tty
)
667 while ((c
= *p
++) != '\0')
671 /* \ at end of argument is used after spaces
672 so they won't be lost. */
676 c
= parse_escape (get_current_arch (), &p
);
678 printf_filtered ("%c", c
);
681 printf_filtered ("%c", c
);
684 /* Force this output to appear now. */
686 gdb_flush (gdb_stdout
);
690 shell_escape (char *arg
, int from_tty
)
692 #if defined(CANT_FORK) || \
693 (!defined(HAVE_WORKING_VFORK) && !defined(HAVE_WORKING_FORK))
694 /* If ARG is NULL, they want an inferior shell, but `system' just
695 reports if the shell is available when passed a NULL arg. */
696 int rc
= system (arg
? arg
: "");
699 arg
= "inferior shell";
703 fprintf_unfiltered (gdb_stderr
, "Cannot execute %s: %s\n", arg
,
704 safe_strerror (errno
));
705 gdb_flush (gdb_stderr
);
709 fprintf_unfiltered (gdb_stderr
, "%s exited with status %d\n", arg
, rc
);
710 gdb_flush (gdb_stderr
);
713 /* Make sure to return to the directory GDB thinks it is, in case
714 the shell command we just ran changed it. */
715 chdir (current_directory
);
717 #else /* Can fork. */
720 if ((pid
= vfork ()) == 0)
722 const char *p
, *user_shell
;
724 if ((user_shell
= (char *) getenv ("SHELL")) == NULL
)
725 user_shell
= "/bin/sh";
727 /* Get the name of the shell for arg0. */
728 p
= lbasename (user_shell
);
731 execl (user_shell
, p
, (char *) 0);
733 execl (user_shell
, p
, "-c", arg
, (char *) 0);
735 fprintf_unfiltered (gdb_stderr
, "Cannot execute %s: %s\n", user_shell
,
736 safe_strerror (errno
));
737 gdb_flush (gdb_stderr
);
742 waitpid (pid
, &status
, 0);
744 error (_("Fork failed"));
745 #endif /* Can fork. */
749 edit_command (char *arg
, int from_tty
)
751 struct symtabs_and_lines sals
;
752 struct symtab_and_line sal
;
759 /* Pull in the current default source line if necessary. */
762 set_default_source_symtab_and_line ();
763 sal
= get_current_source_symtab_and_line ();
766 /* Bare "edit" edits file with present line. */
771 error (_("No default source file yet."));
772 sal
.line
+= get_lines_to_list () / 2;
776 /* Now should only be one argument -- decode it in SAL. */
779 sals
= decode_line_1 (&arg1
, DECODE_LINE_LIST_MODE
, 0, 0);
789 ambiguous_line_spec (&sals
);
798 error (_("Junk at end of line specification."));
800 /* If line was specified by address, first print exactly which
801 line, and which file. In this case, sal.symtab == 0 means
802 address is outside of all known source files, not that user
803 failed to give a filename. */
806 struct gdbarch
*gdbarch
;
809 /* FIXME-32x64--assumes sal.pc fits in long. */
810 error (_("No source file for address %s."),
811 hex_string ((unsigned long) sal
.pc
));
813 gdbarch
= get_objfile_arch (sal
.symtab
->objfile
);
814 sym
= find_pc_function (sal
.pc
);
816 printf_filtered ("%s is in %s (%s:%d).\n",
817 paddress (gdbarch
, sal
.pc
),
818 SYMBOL_PRINT_NAME (sym
),
819 symtab_to_filename_for_display (sal
.symtab
),
822 printf_filtered ("%s is at %s:%d.\n",
823 paddress (gdbarch
, sal
.pc
),
824 symtab_to_filename_for_display (sal
.symtab
),
828 /* If what was given does not imply a symtab, it must be an
829 undebuggable symbol which means no source code. */
832 error (_("No line number known for %s."), arg
);
835 if ((editor
= (char *) getenv ("EDITOR")) == NULL
)
838 fn
= symtab_to_fullname (sal
.symtab
);
840 /* Quote the file name, in case it has whitespace or other special
842 p
= xstrprintf ("%s +%d \"%s\"", editor
, sal
.line
, fn
);
843 shell_escape (p
, from_tty
);
848 list_command (char *arg
, int from_tty
)
850 struct symtabs_and_lines sals
, sals_end
;
851 struct symtab_and_line sal
= { 0 };
852 struct symtab_and_line sal_end
= { 0 };
853 struct symtab_and_line cursal
= { 0 };
862 /* Pull in the current default source line if necessary. */
863 if (arg
== 0 || arg
[0] == '+' || arg
[0] == '-')
865 set_default_source_symtab_and_line ();
866 cursal
= get_current_source_symtab_and_line ();
869 /* "l" or "l +" lists next ten lines. */
871 if (arg
== 0 || strcmp (arg
, "+") == 0)
873 print_source_lines (cursal
.symtab
, cursal
.line
,
874 cursal
.line
+ get_lines_to_list (), 0);
878 /* "l -" lists previous ten lines, the ones before the ten just
880 if (strcmp (arg
, "-") == 0)
882 print_source_lines (cursal
.symtab
,
883 max (get_first_line_listed ()
884 - get_lines_to_list (), 1),
885 get_first_line_listed (), 0);
889 /* Now if there is only one argument, decode it in SAL
891 If there are two arguments, decode them in SAL and SAL_END
892 and clear NO_END; however, if one of the arguments is blank,
893 set DUMMY_BEG or DUMMY_END to record that fact. */
895 if (!have_full_symbols () && !have_partial_symbols ())
896 error (_("No symbol table is loaded. Use the \"file\" command."));
903 sals
= decode_line_1 (&arg1
, DECODE_LINE_LIST_MODE
, 0, 0);
910 ambiguous_line_spec (&sals
);
919 /* Record whether the BEG arg is all digits. */
921 for (p
= arg
; p
!= arg1
&& *p
>= '0' && *p
<= '9'; p
++);
922 linenum_beg
= (p
== arg1
);
924 while (*arg1
== ' ' || *arg1
== '\t')
930 while (*arg1
== ' ' || *arg1
== '\t')
937 sals_end
= decode_line_1 (&arg1
, DECODE_LINE_LIST_MODE
, 0, 0);
939 sals_end
= decode_line_1 (&arg1
, DECODE_LINE_LIST_MODE
,
940 sal
.symtab
, sal
.line
);
941 filter_sals (&sals_end
);
942 if (sals_end
.nelts
== 0)
944 if (sals_end
.nelts
> 1)
946 ambiguous_line_spec (&sals_end
);
947 xfree (sals_end
.sals
);
950 sal_end
= sals_end
.sals
[0];
951 xfree (sals_end
.sals
);
956 error (_("Junk at end of line specification."));
958 if (!no_end
&& !dummy_beg
&& !dummy_end
959 && sal
.symtab
!= sal_end
.symtab
)
960 error (_("Specified start and end are in different files."));
961 if (dummy_beg
&& dummy_end
)
962 error (_("Two empty args do not say what lines to list."));
964 /* If line was specified by address,
965 first print exactly which line, and which file.
967 In this case, sal.symtab == 0 means address is outside of all
968 known source files, not that user failed to give a filename. */
971 struct gdbarch
*gdbarch
;
974 /* FIXME-32x64--assumes sal.pc fits in long. */
975 error (_("No source file for address %s."),
976 hex_string ((unsigned long) sal
.pc
));
978 gdbarch
= get_objfile_arch (sal
.symtab
->objfile
);
979 sym
= find_pc_function (sal
.pc
);
981 printf_filtered ("%s is in %s (%s:%d).\n",
982 paddress (gdbarch
, sal
.pc
),
983 SYMBOL_PRINT_NAME (sym
),
984 symtab_to_filename_for_display (sal
.symtab
), sal
.line
);
986 printf_filtered ("%s is at %s:%d.\n",
987 paddress (gdbarch
, sal
.pc
),
988 symtab_to_filename_for_display (sal
.symtab
), sal
.line
);
991 /* If line was not specified by just a line number, and it does not
992 imply a symtab, it must be an undebuggable symbol which means no
995 if (!linenum_beg
&& sal
.symtab
== 0)
996 error (_("No line number known for %s."), arg
);
998 /* If this command is repeated with RET,
999 turn it into the no-arg variant. */
1004 if (dummy_beg
&& sal_end
.symtab
== 0)
1005 error (_("No default source file yet. Do \"help list\"."));
1007 print_source_lines (sal_end
.symtab
,
1008 max (sal_end
.line
- (get_lines_to_list () - 1), 1),
1009 sal_end
.line
+ 1, 0);
1010 else if (sal
.symtab
== 0)
1011 error (_("No default source file yet. Do \"help list\"."));
1014 int first_line
= sal
.line
- get_lines_to_list () / 2;
1016 if (first_line
< 1) first_line
= 1;
1018 print_source_lines (sal
.symtab
,
1020 first_line
+ get_lines_to_list (),
1024 print_source_lines (sal
.symtab
, sal
.line
,
1026 ? sal
.line
+ get_lines_to_list ()
1027 : sal_end
.line
+ 1),
1031 /* Subroutine of disassemble_command to simplify it.
1032 Perform the disassembly.
1033 NAME is the name of the function if known, or NULL.
1034 [LOW,HIGH) are the range of addresses to disassemble.
1035 MIXED is non-zero to print source with the assembler. */
1038 print_disassembly (struct gdbarch
*gdbarch
, const char *name
,
1039 CORE_ADDR low
, CORE_ADDR high
, int flags
)
1042 if (!tui_is_window_visible (DISASSEM_WIN
))
1045 printf_filtered ("Dump of assembler code ");
1047 printf_filtered ("for function %s:\n", name
);
1049 printf_filtered ("from %s to %s:\n",
1050 paddress (gdbarch
, low
), paddress (gdbarch
, high
));
1052 /* Dump the specified range. */
1053 gdb_disassembly (gdbarch
, current_uiout
, 0, flags
, -1, low
, high
);
1055 printf_filtered ("End of assembler dump.\n");
1056 gdb_flush (gdb_stdout
);
1061 tui_show_assembly (gdbarch
, low
);
1066 /* Subroutine of disassemble_command to simplify it.
1067 Print a disassembly of the current function according to FLAGS. */
1070 disassemble_current_function (int flags
)
1072 struct frame_info
*frame
;
1073 struct gdbarch
*gdbarch
;
1074 CORE_ADDR low
, high
, pc
;
1077 frame
= get_selected_frame (_("No frame selected."));
1078 gdbarch
= get_frame_arch (frame
);
1079 pc
= get_frame_address_in_block (frame
);
1080 if (find_pc_partial_function (pc
, &name
, &low
, &high
) == 0)
1081 error (_("No function contains program counter for selected frame."));
1083 /* NOTE: cagney/2003-02-13 The `tui_active' was previously
1086 /* FIXME: cagney/2004-02-07: This should be an observer. */
1087 low
= tui_get_low_disassembly_address (gdbarch
, low
, pc
);
1089 low
+= gdbarch_deprecated_function_start_offset (gdbarch
);
1091 print_disassembly (gdbarch
, name
, low
, high
, flags
);
1094 /* Dump a specified section of assembly code.
1098 - dump the assembly code for the function of the current pc
1099 disassemble [/mr] addr
1100 - dump the assembly code for the function at ADDR
1101 disassemble [/mr] low,high
1102 disassemble [/mr] low,+length
1103 - dump the assembly code in the range [LOW,HIGH), or [LOW,LOW+length)
1105 A /m modifier will include source code with the assembly.
1106 A /r modifier will include raw instructions in hex with the assembly. */
1109 disassemble_command (char *arg
, int from_tty
)
1111 struct gdbarch
*gdbarch
= get_current_arch ();
1112 CORE_ADDR low
, high
;
1127 error (_("Missing modifier."));
1129 while (*p
&& ! isspace (*p
))
1134 flags
|= DISASSEMBLY_SOURCE
;
1137 flags
|= DISASSEMBLY_RAW_INSN
;
1140 error (_("Invalid disassembly modifier."));
1144 p
= skip_spaces_const (p
);
1149 flags
|= DISASSEMBLY_OMIT_FNAME
;
1150 disassemble_current_function (flags
);
1154 pc
= value_as_address (parse_to_comma_and_eval (&p
));
1160 if (find_pc_partial_function (pc
, &name
, &low
, &high
) == 0)
1161 error (_("No function contains specified address."));
1163 /* NOTE: cagney/2003-02-13 The `tui_active' was previously
1166 /* FIXME: cagney/2004-02-07: This should be an observer. */
1167 low
= tui_get_low_disassembly_address (gdbarch
, low
, pc
);
1169 low
+= gdbarch_deprecated_function_start_offset (gdbarch
);
1170 flags
|= DISASSEMBLY_OMIT_FNAME
;
1174 /* Two arguments. */
1177 p
= skip_spaces_const (p
);
1183 high
= parse_and_eval_address (p
);
1188 print_disassembly (gdbarch
, name
, low
, high
, flags
);
1192 make_command (char *arg
, int from_tty
)
1200 p
= xmalloc (sizeof ("make ") + strlen (arg
));
1201 strcpy (p
, "make ");
1202 strcpy (p
+ sizeof ("make ") - 1, arg
);
1205 shell_escape (p
, from_tty
);
1209 show_user (char *args
, int from_tty
)
1211 struct cmd_list_element
*c
;
1212 extern struct cmd_list_element
*cmdlist
;
1216 char *comname
= args
;
1218 c
= lookup_cmd (&comname
, cmdlist
, "", 0, 1);
1219 /* c->user_commands would be NULL if it's a python command. */
1220 if (c
->class != class_user
|| !c
->user_commands
)
1221 error (_("Not a user command."));
1222 show_user_1 (c
, "", args
, gdb_stdout
);
1226 for (c
= cmdlist
; c
; c
= c
->next
)
1228 if (c
->class == class_user
|| c
->prefixlist
!= NULL
)
1229 show_user_1 (c
, "", c
->name
, gdb_stdout
);
1234 /* Search through names of commands and documentations for a certain
1235 regular expression. */
1238 apropos_command (char *searchstr
, int from_tty
)
1243 if (searchstr
== NULL
)
1244 error (_("REGEXP string is empty"));
1246 code
= regcomp (&pattern
, searchstr
, REG_ICASE
);
1249 struct cleanup
*cleanups
;
1251 cleanups
= make_regfree_cleanup (&pattern
);
1252 apropos_cmd (gdb_stdout
, cmdlist
, &pattern
, "");
1253 do_cleanups (cleanups
);
1257 char *err
= get_regcomp_error (code
, &pattern
);
1259 make_cleanup (xfree
, err
);
1260 error (_("Error in regular expression: %s"), err
);
1264 /* Subroutine of alias_command to simplify it.
1265 Return the first N elements of ARGV flattened back to a string
1266 with a space separating each element.
1267 ARGV may not be NULL.
1268 This does not take care of quoting elements in case they contain spaces
1272 argv_to_dyn_string (char **argv
, int n
)
1275 dyn_string_t result
= dyn_string_new (10);
1277 gdb_assert (argv
!= NULL
);
1278 gdb_assert (n
>= 0 && n
<= countargv (argv
));
1280 for (i
= 0; i
< n
; ++i
)
1283 dyn_string_append_char (result
, ' ');
1284 dyn_string_append_cstr (result
, argv
[i
]);
1290 /* Subroutine of alias_command to simplify it.
1291 Return TRUE if COMMAND exists, unambiguously. Otherwise FALSE. */
1294 valid_command_p (char *command
)
1296 struct cmd_list_element
*c
;
1298 c
= lookup_cmd_1 (& command
, cmdlist
, NULL
, 1);
1300 if (c
== NULL
|| c
== (struct cmd_list_element
*) -1)
1303 /* This is the slightly tricky part.
1304 lookup_cmd_1 will return a pointer to the last part of COMMAND
1305 to match, leaving COMMAND pointing at the remainder. */
1306 while (*command
== ' ' || *command
== '\t')
1308 return *command
== '\0';
1311 /* Make an alias of an existing command. */
1314 alias_command (char *args
, int from_tty
)
1316 int i
, alias_argc
, command_argc
;
1317 int abbrev_flag
= 0;
1318 char *args2
, *equals
, *alias
, *command
;
1319 char **alias_argv
, **command_argv
;
1320 dyn_string_t alias_dyn_string
, command_dyn_string
;
1321 static const char usage
[] = N_("Usage: alias [-a] [--] ALIAS = COMMAND");
1323 if (args
== NULL
|| strchr (args
, '=') == NULL
)
1326 args2
= xstrdup (args
);
1327 make_cleanup (xfree
, args2
);
1328 equals
= strchr (args2
, '=');
1330 alias_argv
= gdb_buildargv (args2
);
1331 make_cleanup_freeargv (alias_argv
);
1332 command_argv
= gdb_buildargv (equals
+ 1);
1333 make_cleanup_freeargv (command_argv
);
1335 for (i
= 0; alias_argv
[i
] != NULL
; )
1337 if (strcmp (alias_argv
[i
], "-a") == 0)
1342 else if (strcmp (alias_argv
[i
], "--") == 0)
1351 if (alias_argv
[0] == NULL
|| command_argv
[0] == NULL
1352 || *alias_argv
[0] == '\0' || *command_argv
[0] == '\0')
1355 for (i
= 0; alias_argv
[i
] != NULL
; ++i
)
1357 if (! valid_user_defined_cmd_name_p (alias_argv
[i
]))
1360 error (_("Invalid command name: %s"), alias_argv
[i
]);
1362 error (_("Invalid command element name: %s"), alias_argv
[i
]);
1366 alias_argc
= countargv (alias_argv
);
1367 command_argc
= countargv (command_argv
);
1369 /* COMMAND must exist.
1370 Reconstruct the command to remove any extraneous spaces,
1371 for better error messages. */
1372 command_dyn_string
= argv_to_dyn_string (command_argv
, command_argc
);
1373 make_cleanup_dyn_string_delete (command_dyn_string
);
1374 command
= dyn_string_buf (command_dyn_string
);
1375 if (! valid_command_p (command
))
1376 error (_("Invalid command to alias to: %s"), command
);
1378 /* ALIAS must not exist. */
1379 alias_dyn_string
= argv_to_dyn_string (alias_argv
, alias_argc
);
1380 make_cleanup_dyn_string_delete (alias_dyn_string
);
1381 alias
= dyn_string_buf (alias_dyn_string
);
1382 if (valid_command_p (alias
))
1383 error (_("Alias already exists: %s"), alias
);
1385 /* If ALIAS is one word, it is an alias for the entire COMMAND.
1386 Example: alias spe = set print elements
1388 Otherwise ALIAS and COMMAND must have the same number of words,
1389 and every word except the last must match; and the last word of
1390 ALIAS is made an alias of the last word of COMMAND.
1391 Example: alias set print elms = set pr elem
1392 Note that unambiguous abbreviations are allowed. */
1394 if (alias_argc
== 1)
1396 /* add_cmd requires *we* allocate space for name, hence the xstrdup. */
1397 add_com_alias (xstrdup (alias_argv
[0]), command
, class_alias
,
1402 dyn_string_t alias_prefix_dyn_string
, command_prefix_dyn_string
;
1403 char *alias_prefix
, *command_prefix
;
1404 struct cmd_list_element
*c_alias
, *c_command
;
1406 if (alias_argc
!= command_argc
)
1407 error (_("Mismatched command length between ALIAS and COMMAND."));
1409 /* Create copies of ALIAS and COMMAND without the last word,
1410 and use that to verify the leading elements match. */
1411 alias_prefix_dyn_string
=
1412 argv_to_dyn_string (alias_argv
, alias_argc
- 1);
1413 make_cleanup_dyn_string_delete (alias_prefix_dyn_string
);
1414 command_prefix_dyn_string
=
1415 argv_to_dyn_string (alias_argv
, command_argc
- 1);
1416 make_cleanup_dyn_string_delete (command_prefix_dyn_string
);
1417 alias_prefix
= dyn_string_buf (alias_prefix_dyn_string
);
1418 command_prefix
= dyn_string_buf (command_prefix_dyn_string
);
1420 c_command
= lookup_cmd_1 (& command_prefix
, cmdlist
, NULL
, 1);
1421 /* We've already tried to look up COMMAND. */
1422 gdb_assert (c_command
!= NULL
1423 && c_command
!= (struct cmd_list_element
*) -1);
1424 gdb_assert (c_command
->prefixlist
!= NULL
);
1425 c_alias
= lookup_cmd_1 (& alias_prefix
, cmdlist
, NULL
, 1);
1426 if (c_alias
!= c_command
)
1427 error (_("ALIAS and COMMAND prefixes do not match."));
1429 /* add_cmd requires *we* allocate space for name, hence the xstrdup. */
1430 add_alias_cmd (xstrdup (alias_argv
[alias_argc
- 1]),
1431 command_argv
[command_argc
- 1],
1432 class_alias
, abbrev_flag
, c_command
->prefixlist
);
1436 /* Print a list of files and line numbers which a user may choose from
1437 in order to list a function which was specified ambiguously (as
1438 with `list classname::overloadedfuncname', for example). The
1439 vector in SALS provides the filenames and line numbers. */
1442 ambiguous_line_spec (struct symtabs_and_lines
*sals
)
1446 for (i
= 0; i
< sals
->nelts
; ++i
)
1447 printf_filtered (_("file: \"%s\", line number: %d\n"),
1448 symtab_to_filename_for_display (sals
->sals
[i
].symtab
),
1449 sals
->sals
[i
].line
);
1452 /* Sort function for filter_sals. */
1455 compare_symtabs (const void *a
, const void *b
)
1457 const struct symtab_and_line
*sala
= a
;
1458 const struct symtab_and_line
*salb
= b
;
1461 if (!sala
->symtab
->dirname
)
1463 if (salb
->symtab
->dirname
)
1466 else if (!salb
->symtab
->dirname
)
1468 if (sala
->symtab
->dirname
)
1473 r
= filename_cmp (sala
->symtab
->dirname
, salb
->symtab
->dirname
);
1478 r
= filename_cmp (sala
->symtab
->filename
, salb
->symtab
->filename
);
1482 if (sala
->line
< salb
->line
)
1484 return sala
->line
== salb
->line
? 0 : 1;
1487 /* Remove any SALs that do not match the current program space, or
1488 which appear to be "file:line" duplicates. */
1491 filter_sals (struct symtabs_and_lines
*sals
)
1496 for (i
= 0; i
< sals
->nelts
; ++i
)
1498 if (sals
->sals
[i
].pspace
== current_program_space
1499 && sals
->sals
[i
].symtab
!= NULL
)
1501 sals
->sals
[out
] = sals
->sals
[i
];
1507 qsort (sals
->sals
, sals
->nelts
, sizeof (struct symtab_and_line
),
1512 for (i
= 1; i
< sals
->nelts
; ++i
)
1514 if (compare_symtabs (&sals
->sals
[prev
], &sals
->sals
[i
]))
1516 /* Symtabs differ. */
1517 sals
->sals
[out
] = sals
->sals
[i
];
1523 if (sals
->nelts
== 0)
1533 set_debug (char *arg
, int from_tty
)
1535 printf_unfiltered (_("\"set debug\" must be followed by "
1536 "the name of a debug subcommand.\n"));
1537 help_list (setdebuglist
, "set debug ", -1, gdb_stdout
);
1541 show_debug (char *args
, int from_tty
)
1543 cmd_show_list (showdebuglist
, from_tty
, "");
1547 init_cmd_lists (void)
1549 max_user_call_depth
= 1024;
1563 showhistlist
= NULL
;
1564 unsethistlist
= NULL
;
1565 maintenancelist
= NULL
;
1566 maintenanceinfolist
= NULL
;
1567 maintenanceprintlist
= NULL
;
1568 setprintlist
= NULL
;
1569 showprintlist
= NULL
;
1570 setchecklist
= NULL
;
1571 showchecklist
= NULL
;
1575 show_info_verbose (struct ui_file
*file
, int from_tty
,
1576 struct cmd_list_element
*c
,
1580 fprintf_filtered (file
,
1581 _("Verbose printing of informational messages is %s.\n"),
1584 fprintf_filtered (file
, _("Verbosity is %s.\n"), value
);
1588 show_history_expansion_p (struct ui_file
*file
, int from_tty
,
1589 struct cmd_list_element
*c
, const char *value
)
1591 fprintf_filtered (file
, _("History expansion on command input is %s.\n"),
1596 show_baud_rate (struct ui_file
*file
, int from_tty
,
1597 struct cmd_list_element
*c
, const char *value
)
1599 fprintf_filtered (file
, _("Baud rate for remote serial I/O is %s.\n"),
1604 show_remote_debug (struct ui_file
*file
, int from_tty
,
1605 struct cmd_list_element
*c
, const char *value
)
1607 fprintf_filtered (file
, _("Debugging of remote protocol is %s.\n"),
1612 show_remote_timeout (struct ui_file
*file
, int from_tty
,
1613 struct cmd_list_element
*c
, const char *value
)
1615 fprintf_filtered (file
,
1616 _("Timeout limit to wait for target to respond is %s.\n"),
1621 show_max_user_call_depth (struct ui_file
*file
, int from_tty
,
1622 struct cmd_list_element
*c
, const char *value
)
1624 fprintf_filtered (file
,
1625 _("The max call depth for user-defined commands is %s.\n"),
1631 initialize_file_ftype _initialize_cli_cmds
;
1634 _initialize_cli_cmds (void)
1636 struct cmd_list_element
*c
;
1638 /* Define the classes of commands.
1639 They will appear in the help list in alphabetical order. */
1641 add_cmd ("internals", class_maintenance
, NULL
, _("\
1642 Maintenance commands.\n\
1643 Some gdb commands are provided just for use by gdb maintainers.\n\
1644 These commands are subject to frequent change, and may not be as\n\
1645 well documented as user commands."),
1647 add_cmd ("obscure", class_obscure
, NULL
, _("Obscure features."), &cmdlist
);
1648 add_cmd ("aliases", class_alias
, NULL
,
1649 _("Aliases of other commands."), &cmdlist
);
1650 add_cmd ("user-defined", class_user
, NULL
, _("\
1651 User-defined commands.\n\
1652 The commands in this class are those defined by the user.\n\
1653 Use the \"define\" command to define a command."), &cmdlist
);
1654 add_cmd ("support", class_support
, NULL
, _("Support facilities."), &cmdlist
);
1656 add_cmd ("status", class_info
, NULL
, _("Status inquiries."), &cmdlist
);
1657 add_cmd ("files", class_files
, NULL
, _("Specifying and examining files."),
1659 add_cmd ("breakpoints", class_breakpoint
, NULL
,
1660 _("Making program stop at certain points."), &cmdlist
);
1661 add_cmd ("data", class_vars
, NULL
, _("Examining data."), &cmdlist
);
1662 add_cmd ("stack", class_stack
, NULL
, _("\
1663 Examining the stack.\n\
1664 The stack is made up of stack frames. Gdb assigns numbers to stack frames\n\
1665 counting from zero for the innermost (currently executing) frame.\n\n\
1666 At any time gdb identifies one frame as the \"selected\" frame.\n\
1667 Variable lookups are done with respect to the selected frame.\n\
1668 When the program being debugged stops, gdb selects the innermost frame.\n\
1669 The commands below can be used to select other frames by number or address."),
1671 add_cmd ("running", class_run
, NULL
, _("Running the program."), &cmdlist
);
1673 /* Define general commands. */
1675 add_com ("pwd", class_files
, pwd_command
, _("\
1676 Print working directory. This is used for your program as well."));
1678 c
= add_cmd ("cd", class_files
, cd_command
, _("\
1679 Set working directory to DIR for debugger and program being debugged.\n\
1680 The change does not take effect for the program being debugged\n\
1681 until the next time it is started."), &cmdlist
);
1682 set_cmd_completer (c
, filename_completer
);
1684 add_com ("echo", class_support
, echo_command
, _("\
1685 Print a constant string. Give string as argument.\n\
1686 C escape sequences may be used in the argument.\n\
1687 No newline is added at the end of the argument;\n\
1688 use \"\\n\" if you want a newline to be printed.\n\
1689 Since leading and trailing whitespace are ignored in command arguments,\n\
1690 if you want to print some you must use \"\\\" before leading whitespace\n\
1691 to be printed or after trailing whitespace."));
1693 add_setshow_enum_cmd ("script-extension", class_support
,
1694 script_ext_enums
, &script_ext_mode
, _("\
1695 Set mode for script filename extension recognition."), _("\
1696 Show mode for script filename extension recognition."), _("\
1697 off == no filename extension recognition (all sourced files are GDB scripts)\n\
1698 soft == evaluate script according to filename extension, fallback to GDB script"
1700 strict == evaluate script according to filename extension, error if not supported"
1703 show_script_ext_mode
,
1704 &setlist
, &showlist
);
1706 add_com ("quit", class_support
, quit_command
, _("Exit gdb."));
1707 c
= add_com ("help", class_support
, help_command
,
1708 _("Print list of commands."));
1709 set_cmd_completer (c
, command_completer
);
1710 add_com_alias ("q", "quit", class_support
, 1);
1711 add_com_alias ("h", "help", class_support
, 1);
1713 add_setshow_boolean_cmd ("verbose", class_support
, &info_verbose
, _("\
1714 Set verbosity."), _("\
1715 Show verbosity."), NULL
,
1718 &setlist
, &showlist
);
1720 add_prefix_cmd ("history", class_support
, set_history
,
1721 _("Generic command for setting command history parameters."),
1722 &sethistlist
, "set history ", 0, &setlist
);
1723 add_prefix_cmd ("history", class_support
, show_history
,
1724 _("Generic command for showing command history parameters."),
1725 &showhistlist
, "show history ", 0, &showlist
);
1727 add_setshow_boolean_cmd ("expansion", no_class
, &history_expansion_p
, _("\
1728 Set history expansion on command input."), _("\
1729 Show history expansion on command input."), _("\
1730 Without an argument, history expansion is enabled."),
1732 show_history_expansion_p
,
1733 &sethistlist
, &showhistlist
);
1735 add_prefix_cmd ("info", class_info
, info_command
, _("\
1736 Generic command for showing things about the program being debugged."),
1737 &infolist
, "info ", 0, &cmdlist
);
1738 add_com_alias ("i", "info", class_info
, 1);
1739 add_com_alias ("inf", "info", class_info
, 1);
1741 add_com ("complete", class_obscure
, complete_command
,
1742 _("List the completions for the rest of the line as a command."));
1744 add_prefix_cmd ("show", class_info
, show_command
, _("\
1745 Generic command for showing things about the debugger."),
1746 &showlist
, "show ", 0, &cmdlist
);
1747 /* Another way to get at the same thing. */
1748 add_info ("set", show_command
, _("Show all GDB settings."));
1750 add_cmd ("commands", no_set_class
, show_commands
, _("\
1751 Show the history of commands you typed.\n\
1752 You can supply a command number to start with, or a `+' to start after\n\
1753 the previous command number shown."),
1756 add_cmd ("version", no_set_class
, show_version
,
1757 _("Show what version of GDB this is."), &showlist
);
1759 /* If target is open when baud changes, it doesn't take effect until
1760 the next open (I think, not sure). */
1761 add_setshow_zinteger_cmd ("remotebaud", no_class
, &baud_rate
, _("\
1762 Set baud rate for remote serial I/O."), _("\
1763 Show baud rate for remote serial I/O."), _("\
1764 This value is used to set the speed of the serial port when debugging\n\
1765 using remote targets."),
1768 &setlist
, &showlist
);
1770 add_setshow_zinteger_cmd ("remote", no_class
, &remote_debug
, _("\
1771 Set debugging of remote protocol."), _("\
1772 Show debugging of remote protocol."), _("\
1773 When enabled, each packet sent or received with the remote target\n\
1777 &setdebuglist
, &showdebuglist
);
1779 add_setshow_zuinteger_unlimited_cmd ("remotetimeout", no_class
,
1780 &remote_timeout
, _("\
1781 Set timeout limit to wait for target to respond."), _("\
1782 Show timeout limit to wait for target to respond."), _("\
1783 This value is used to set the time limit for gdb to wait for a response\n\
1786 show_remote_timeout
,
1787 &setlist
, &showlist
);
1789 add_prefix_cmd ("debug", no_class
, set_debug
,
1790 _("Generic command for setting gdb debugging flags"),
1791 &setdebuglist
, "set debug ", 0, &setlist
);
1793 add_prefix_cmd ("debug", no_class
, show_debug
,
1794 _("Generic command for showing gdb debugging flags"),
1795 &showdebuglist
, "show debug ", 0, &showlist
);
1797 c
= add_com ("shell", class_support
, shell_escape
, _("\
1798 Execute the rest of the line as a shell command.\n\
1799 With no arguments, run an inferior shell."));
1800 set_cmd_completer (c
, filename_completer
);
1802 c
= add_com ("edit", class_files
, edit_command
, _("\
1803 Edit specified file or function.\n\
1804 With no argument, edits file containing most recent line listed.\n\
1805 Editing targets can be specified in these ways:\n\
1806 FILE:LINENUM, to edit at that line in that file,\n\
1807 FUNCTION, to edit at the beginning of that function,\n\
1808 FILE:FUNCTION, to distinguish among like-named static functions.\n\
1809 *ADDRESS, to edit at the line containing that address.\n\
1810 Uses EDITOR environment variable contents as editor (or ex as default)."));
1812 c
->completer
= location_completer
;
1814 add_com ("list", class_files
, list_command
, _("\
1815 List specified function or line.\n\
1816 With no argument, lists ten more lines after or around previous listing.\n\
1817 \"list -\" lists the ten lines before a previous ten-line listing.\n\
1818 One argument specifies a line, and ten lines are listed around that line.\n\
1819 Two arguments with comma between specify starting and ending lines to list.\n\
1820 Lines can be specified in these ways:\n\
1821 LINENUM, to list around that line in current file,\n\
1822 FILE:LINENUM, to list around that line in that file,\n\
1823 FUNCTION, to list around beginning of that function,\n\
1824 FILE:FUNCTION, to distinguish among like-named static functions.\n\
1825 *ADDRESS, to list around the line containing that address.\n\
1826 With two args if one is empty it stands for ten lines away from \
1830 add_com_alias ("l", "list", class_files
, 1);
1832 add_com_alias ("v", "list", class_files
, 1);
1835 add_com_alias ("file", "list", class_files
, 1);
1837 c
= add_com ("disassemble", class_vars
, disassemble_command
, _("\
1838 Disassemble a specified section of memory.\n\
1839 Default is the function surrounding the pc of the selected frame.\n\
1840 With a /m modifier, source lines are included (if available).\n\
1841 With a /r modifier, raw instructions in hex are included.\n\
1842 With a single argument, the function surrounding that address is dumped.\n\
1843 Two arguments (separated by a comma) are taken as a range of memory to dump,\n\
1844 in the form of \"start,end\", or \"start,+length\".\n\
1846 Note that the address is interpreted as an expression, not as a location\n\
1847 like in the \"break\" command.\n\
1848 So, for example, if you want to disassemble function bar in file foo.c\n\
1849 you must type \"disassemble 'foo.c'::bar\" and not \"disassemble foo.c:bar\"."));
1850 set_cmd_completer (c
, location_completer
);
1852 add_com_alias ("va", "disassemble", class_xdb
, 0);
1854 add_com_alias ("!", "shell", class_support
, 0);
1856 c
= add_com ("make", class_support
, make_command
, _("\
1857 Run the ``make'' program using the rest of the line as arguments."));
1858 set_cmd_completer (c
, filename_completer
);
1859 add_cmd ("user", no_class
, show_user
, _("\
1860 Show definitions of non-python user defined commands.\n\
1861 Argument is the name of the user defined command.\n\
1862 With no argument, show definitions of all user defined commands."), &showlist
);
1863 add_com ("apropos", class_support
, apropos_command
,
1864 _("Search for commands matching a REGEXP"));
1866 add_setshow_uinteger_cmd ("max-user-call-depth", no_class
,
1867 &max_user_call_depth
, _("\
1868 Set the max call depth for non-python user-defined commands."), _("\
1869 Show the max call depth for non-python user-defined commands."), NULL
,
1871 show_max_user_call_depth
,
1872 &setlist
, &showlist
);
1874 add_setshow_boolean_cmd ("trace-commands", no_class
, &trace_commands
, _("\
1875 Set tracing of GDB CLI commands."), _("\
1876 Show state of GDB CLI command tracing."), _("\
1877 When 'on', each command is displayed as it is executed."),
1880 &setlist
, &showlist
);
1882 c
= add_com ("alias", class_support
, alias_command
, _("\
1883 Define a new command that is an alias of an existing command.\n\
1884 Usage: alias [-a] [--] ALIAS = COMMAND\n\
1885 ALIAS is the name of the alias command to create.\n\
1886 COMMAND is the command being aliased to.\n\
1887 If \"-a\" is specified, the command is an abbreviation,\n\
1888 and will not appear in help command list output.\n\
1891 Make \"spe\" an alias of \"set print elements\":\n\
1892 alias spe = set print elements\n\
1893 Make \"elms\" an alias of \"elements\" in the \"set print\" command:\n\
1894 alias -a set print elms = set print elements"));
1898 init_cli_cmds (void)
1900 struct cmd_list_element
*c
;
1901 char *source_help_text
;
1903 source_help_text
= xstrprintf (_("\
1904 Read commands from a file named FILE.\n\
1906 Usage: source [-s] [-v] FILE\n\
1907 -s: search for the script in the source search path,\n\
1908 even if FILE contains directories.\n\
1909 -v: each command in FILE is echoed as it is executed.\n\
1911 Note that the file \"%s\" is read automatically in this way\n\
1912 when GDB is started."), gdbinit
);
1913 c
= add_cmd ("source", class_support
, source_command
,
1914 source_help_text
, &cmdlist
);
1915 set_cmd_completer (c
, filename_completer
);