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");
318 show_configuration (char *args
, int from_tty
)
320 print_gdb_configuration (gdb_stdout
);
323 /* Handle the quit command. */
326 quit_command (char *args
, int from_tty
)
328 if (!quit_confirm ())
329 error (_("Not confirmed."));
331 query_if_trace_running (from_tty
);
333 quit_force (args
, from_tty
);
337 pwd_command (char *args
, int from_tty
)
340 error (_("The \"pwd\" command does not take an argument: %s"), args
);
341 if (! getcwd (gdb_dirbuf
, sizeof (gdb_dirbuf
)))
342 error (_("Error finding name of working directory: %s"),
343 safe_strerror (errno
));
345 if (strcmp (gdb_dirbuf
, current_directory
) != 0)
346 printf_unfiltered (_("Working directory %s\n (canonically %s).\n"),
347 current_directory
, gdb_dirbuf
);
349 printf_unfiltered (_("Working directory %s.\n"), current_directory
);
353 cd_command (char *dir
, int from_tty
)
356 /* Found something other than leading repetitions of "/..". */
360 /* If the new directory is absolute, repeat is a no-op; if relative,
361 repeat might be useful but is more likely to be a mistake. */
367 dir
= tilde_expand (dir
);
368 make_cleanup (xfree
, dir
);
371 perror_with_name (dir
);
373 #ifdef HAVE_DOS_BASED_FILE_SYSTEM
374 /* There's too much mess with DOSish names like "d:", "d:.",
375 "d:./foo" etc. Instead of having lots of special #ifdef'ed code,
376 simply get the canonicalized name of the current directory. */
377 dir
= getcwd (gdb_dirbuf
, sizeof (gdb_dirbuf
));
381 if (IS_DIR_SEPARATOR (dir
[len
- 1]))
383 /* Remove the trailing slash unless this is a root directory
384 (including a drive letter on non-Unix systems). */
385 if (!(len
== 1) /* "/" */
386 #ifdef HAVE_DOS_BASED_FILE_SYSTEM
387 && !(len
== 3 && dir
[1] == ':') /* "d:/" */
393 dir
= savestring (dir
, len
);
394 if (IS_ABSOLUTE_PATH (dir
))
395 current_directory
= dir
;
398 if (IS_DIR_SEPARATOR (current_directory
[strlen (current_directory
) - 1]))
399 current_directory
= concat (current_directory
, dir
, (char *)NULL
);
401 current_directory
= concat (current_directory
, SLASH_STRING
,
406 /* Now simplify any occurrences of `.' and `..' in the pathname. */
409 for (p
= current_directory
; *p
;)
411 if (IS_DIR_SEPARATOR (p
[0]) && p
[1] == '.'
412 && (p
[2] == 0 || IS_DIR_SEPARATOR (p
[2])))
413 memmove (p
, p
+ 2, strlen (p
+ 2) + 1);
414 else if (IS_DIR_SEPARATOR (p
[0]) && p
[1] == '.' && p
[2] == '.'
415 && (p
[3] == 0 || IS_DIR_SEPARATOR (p
[3])))
419 /* Search backwards for the directory just before the "/.."
420 and obliterate it and the "/..". */
423 while (q
!= current_directory
&& !IS_DIR_SEPARATOR (q
[-1]))
426 if (q
== current_directory
)
427 /* current_directory is
428 a relative pathname ("can't happen"--leave it alone). */
432 memmove (q
- 1, p
+ 3, strlen (p
+ 3) + 1);
437 /* We are dealing with leading repetitions of "/..", for
438 example "/../..", which is the Mach super-root. */
448 forget_cached_source_info ();
451 pwd_command ((char *) 0, 1);
454 /* Show the current value of the 'script-extension' option. */
457 show_script_ext_mode (struct ui_file
*file
, int from_tty
,
458 struct cmd_list_element
*c
, const char *value
)
460 fprintf_filtered (file
,
461 _("Script filename extension recognition is \"%s\".\n"),
465 /* Try to open SCRIPT_FILE.
466 If successful, the full path name is stored in *FULL_PATHP,
467 the stream is stored in *STREAMP, and return 1.
468 The caller is responsible for freeing *FULL_PATHP.
469 If not successful, return 0; errno is set for the last file
472 If SEARCH_PATH is non-zero, and the file isn't found in cwd,
473 search for it in the source search path. */
476 find_and_open_script (const char *script_file
, int search_path
,
477 FILE **streamp
, char **full_pathp
)
481 struct cleanup
*old_cleanups
;
482 int search_flags
= OPF_TRY_CWD_FIRST
;
484 file
= tilde_expand (script_file
);
485 old_cleanups
= make_cleanup (xfree
, file
);
488 search_flags
|= OPF_SEARCH_IN_PATH
;
490 /* Search for and open 'file' on the search path used for source
491 files. Put the full location in *FULL_PATHP. */
492 fd
= openp (source_path
, search_flags
,
493 file
, O_RDONLY
, full_pathp
);
497 int save_errno
= errno
;
498 do_cleanups (old_cleanups
);
503 do_cleanups (old_cleanups
);
505 *streamp
= fdopen (fd
, FOPEN_RT
);
506 if (*streamp
== NULL
)
508 int save_errno
= errno
;
520 /* Load script FILE, which has already been opened as STREAM. */
523 source_script_from_stream (FILE *stream
, const char *file
)
525 if (script_ext_mode
!= script_ext_off
526 && strlen (file
) > 3 && !strcmp (&file
[strlen (file
) - 3], ".py"))
528 volatile struct gdb_exception e
;
530 TRY_CATCH (e
, RETURN_MASK_ERROR
)
532 source_python_script (stream
, file
);
536 /* Should we fallback to ye olde GDB script mode? */
537 if (script_ext_mode
== script_ext_soft
538 && e
.reason
== RETURN_ERROR
&& e
.error
== UNSUPPORTED_ERROR
)
540 fseek (stream
, 0, SEEK_SET
);
541 script_from_file (stream
, (char*) file
);
545 /* Nope, just punt. */
551 script_from_file (stream
, file
);
554 /* Worker to perform the "source" command.
556 If SEARCH_PATH is non-zero, and the file isn't found in cwd,
557 search for it in the source search path. */
560 source_script_with_search (const char *file
, int from_tty
, int search_path
)
564 struct cleanup
*old_cleanups
;
566 if (file
== NULL
|| *file
== 0)
567 error (_("source command requires file name of file to source."));
569 if (!find_and_open_script (file
, search_path
, &stream
, &full_path
))
571 /* The script wasn't found, or was otherwise inaccessible.
572 If the source command was invoked interactively, throw an
573 error. Otherwise (e.g. if it was invoked by a script),
574 silently ignore the error. */
576 perror_with_name (file
);
581 old_cleanups
= make_cleanup (xfree
, full_path
);
582 make_cleanup_fclose (stream
);
583 /* The python support reopens the file, so we need to pass full_path here
584 in case the file was found on the search path. It's useful to do this
585 anyway so that error messages show the actual file used. But only do
586 this if we (may have) used search_path, as printing the full path in
587 errors for the non-search case can be more noise than signal. */
588 source_script_from_stream (stream
, search_path
? full_path
: file
);
589 do_cleanups (old_cleanups
);
592 /* Wrapper around source_script_with_search to export it to main.c
593 for use in loading .gdbinit scripts. */
596 source_script (char *file
, int from_tty
)
598 source_script_with_search (file
, from_tty
, 0);
601 /* Return the source_verbose global variable to its previous state
602 on exit from the source command, by whatever means. */
604 source_verbose_cleanup (void *old_value
)
606 source_verbose
= *(int *)old_value
;
611 source_command (char *args
, int from_tty
)
613 struct cleanup
*old_cleanups
;
615 int *old_source_verbose
= xmalloc (sizeof(int));
618 *old_source_verbose
= source_verbose
;
619 old_cleanups
= make_cleanup (source_verbose_cleanup
,
622 /* -v causes the source command to run in verbose mode.
623 -s causes the file to be searched in the source search path,
624 even if the file name contains a '/'.
625 We still have to be able to handle filenames with spaces in a
626 backward compatible way, so buildargv is not appropriate. */
630 while (args
[0] != '\0')
632 /* Make sure leading white space does not break the
634 args
= skip_spaces (args
);
639 if (args
[1] == 'v' && isspace (args
[2]))
643 /* Skip passed -v. */
646 else if (args
[1] == 's' && isspace (args
[2]))
650 /* Skip passed -s. */
657 file
= skip_spaces (args
);
660 source_script_with_search (file
, from_tty
, search_path
);
662 do_cleanups (old_cleanups
);
667 echo_command (char *text
, int from_tty
)
673 while ((c
= *p
++) != '\0')
677 /* \ at end of argument is used after spaces
678 so they won't be lost. */
682 c
= parse_escape (get_current_arch (), &p
);
684 printf_filtered ("%c", c
);
687 printf_filtered ("%c", c
);
690 /* Force this output to appear now. */
692 gdb_flush (gdb_stdout
);
696 shell_escape (char *arg
, int from_tty
)
698 #if defined(CANT_FORK) || \
699 (!defined(HAVE_WORKING_VFORK) && !defined(HAVE_WORKING_FORK))
700 /* If ARG is NULL, they want an inferior shell, but `system' just
701 reports if the shell is available when passed a NULL arg. */
702 int rc
= system (arg
? arg
: "");
705 arg
= "inferior shell";
709 fprintf_unfiltered (gdb_stderr
, "Cannot execute %s: %s\n", arg
,
710 safe_strerror (errno
));
711 gdb_flush (gdb_stderr
);
715 fprintf_unfiltered (gdb_stderr
, "%s exited with status %d\n", arg
, rc
);
716 gdb_flush (gdb_stderr
);
719 /* Make sure to return to the directory GDB thinks it is, in case
720 the shell command we just ran changed it. */
721 chdir (current_directory
);
723 #else /* Can fork. */
726 if ((pid
= vfork ()) == 0)
728 const char *p
, *user_shell
;
730 if ((user_shell
= (char *) getenv ("SHELL")) == NULL
)
731 user_shell
= "/bin/sh";
733 /* Get the name of the shell for arg0. */
734 p
= lbasename (user_shell
);
737 execl (user_shell
, p
, (char *) 0);
739 execl (user_shell
, p
, "-c", arg
, (char *) 0);
741 fprintf_unfiltered (gdb_stderr
, "Cannot execute %s: %s\n", user_shell
,
742 safe_strerror (errno
));
743 gdb_flush (gdb_stderr
);
748 waitpid (pid
, &status
, 0);
750 error (_("Fork failed"));
751 #endif /* Can fork. */
755 edit_command (char *arg
, int from_tty
)
757 struct symtabs_and_lines sals
;
758 struct symtab_and_line sal
;
765 /* Pull in the current default source line if necessary. */
768 set_default_source_symtab_and_line ();
769 sal
= get_current_source_symtab_and_line ();
772 /* Bare "edit" edits file with present line. */
777 error (_("No default source file yet."));
778 sal
.line
+= get_lines_to_list () / 2;
782 /* Now should only be one argument -- decode it in SAL. */
785 sals
= decode_line_1 (&arg1
, DECODE_LINE_LIST_MODE
, 0, 0);
795 ambiguous_line_spec (&sals
);
804 error (_("Junk at end of line specification."));
806 /* If line was specified by address, first print exactly which
807 line, and which file. In this case, sal.symtab == 0 means
808 address is outside of all known source files, not that user
809 failed to give a filename. */
812 struct gdbarch
*gdbarch
;
815 /* FIXME-32x64--assumes sal.pc fits in long. */
816 error (_("No source file for address %s."),
817 hex_string ((unsigned long) sal
.pc
));
819 gdbarch
= get_objfile_arch (sal
.symtab
->objfile
);
820 sym
= find_pc_function (sal
.pc
);
822 printf_filtered ("%s is in %s (%s:%d).\n",
823 paddress (gdbarch
, sal
.pc
),
824 SYMBOL_PRINT_NAME (sym
),
825 symtab_to_filename_for_display (sal
.symtab
),
828 printf_filtered ("%s is at %s:%d.\n",
829 paddress (gdbarch
, sal
.pc
),
830 symtab_to_filename_for_display (sal
.symtab
),
834 /* If what was given does not imply a symtab, it must be an
835 undebuggable symbol which means no source code. */
838 error (_("No line number known for %s."), arg
);
841 if ((editor
= (char *) getenv ("EDITOR")) == NULL
)
844 fn
= symtab_to_fullname (sal
.symtab
);
846 /* Quote the file name, in case it has whitespace or other special
848 p
= xstrprintf ("%s +%d \"%s\"", editor
, sal
.line
, fn
);
849 shell_escape (p
, from_tty
);
854 list_command (char *arg
, int from_tty
)
856 struct symtabs_and_lines sals
, sals_end
;
857 struct symtab_and_line sal
= { 0 };
858 struct symtab_and_line sal_end
= { 0 };
859 struct symtab_and_line cursal
= { 0 };
868 /* Pull in the current default source line if necessary. */
869 if (arg
== 0 || arg
[0] == '+' || arg
[0] == '-')
871 set_default_source_symtab_and_line ();
872 cursal
= get_current_source_symtab_and_line ();
875 /* "l" or "l +" lists next ten lines. */
877 if (arg
== 0 || strcmp (arg
, "+") == 0)
879 print_source_lines (cursal
.symtab
, cursal
.line
,
880 cursal
.line
+ get_lines_to_list (), 0);
884 /* "l -" lists previous ten lines, the ones before the ten just
886 if (strcmp (arg
, "-") == 0)
888 print_source_lines (cursal
.symtab
,
889 max (get_first_line_listed ()
890 - get_lines_to_list (), 1),
891 get_first_line_listed (), 0);
895 /* Now if there is only one argument, decode it in SAL
897 If there are two arguments, decode them in SAL and SAL_END
898 and clear NO_END; however, if one of the arguments is blank,
899 set DUMMY_BEG or DUMMY_END to record that fact. */
901 if (!have_full_symbols () && !have_partial_symbols ())
902 error (_("No symbol table is loaded. Use the \"file\" command."));
909 sals
= decode_line_1 (&arg1
, DECODE_LINE_LIST_MODE
, 0, 0);
916 ambiguous_line_spec (&sals
);
925 /* Record whether the BEG arg is all digits. */
927 for (p
= arg
; p
!= arg1
&& *p
>= '0' && *p
<= '9'; p
++);
928 linenum_beg
= (p
== arg1
);
930 while (*arg1
== ' ' || *arg1
== '\t')
936 while (*arg1
== ' ' || *arg1
== '\t')
943 sals_end
= decode_line_1 (&arg1
, DECODE_LINE_LIST_MODE
, 0, 0);
945 sals_end
= decode_line_1 (&arg1
, DECODE_LINE_LIST_MODE
,
946 sal
.symtab
, sal
.line
);
947 filter_sals (&sals_end
);
948 if (sals_end
.nelts
== 0)
950 if (sals_end
.nelts
> 1)
952 ambiguous_line_spec (&sals_end
);
953 xfree (sals_end
.sals
);
956 sal_end
= sals_end
.sals
[0];
957 xfree (sals_end
.sals
);
962 error (_("Junk at end of line specification."));
964 if (!no_end
&& !dummy_beg
&& !dummy_end
965 && sal
.symtab
!= sal_end
.symtab
)
966 error (_("Specified start and end are in different files."));
967 if (dummy_beg
&& dummy_end
)
968 error (_("Two empty args do not say what lines to list."));
970 /* If line was specified by address,
971 first print exactly which line, and which file.
973 In this case, sal.symtab == 0 means address is outside of all
974 known source files, not that user failed to give a filename. */
977 struct gdbarch
*gdbarch
;
980 /* FIXME-32x64--assumes sal.pc fits in long. */
981 error (_("No source file for address %s."),
982 hex_string ((unsigned long) sal
.pc
));
984 gdbarch
= get_objfile_arch (sal
.symtab
->objfile
);
985 sym
= find_pc_function (sal
.pc
);
987 printf_filtered ("%s is in %s (%s:%d).\n",
988 paddress (gdbarch
, sal
.pc
),
989 SYMBOL_PRINT_NAME (sym
),
990 symtab_to_filename_for_display (sal
.symtab
), sal
.line
);
992 printf_filtered ("%s is at %s:%d.\n",
993 paddress (gdbarch
, sal
.pc
),
994 symtab_to_filename_for_display (sal
.symtab
), sal
.line
);
997 /* If line was not specified by just a line number, and it does not
998 imply a symtab, it must be an undebuggable symbol which means no
1001 if (!linenum_beg
&& sal
.symtab
== 0)
1002 error (_("No line number known for %s."), arg
);
1004 /* If this command is repeated with RET,
1005 turn it into the no-arg variant. */
1010 if (dummy_beg
&& sal_end
.symtab
== 0)
1011 error (_("No default source file yet. Do \"help list\"."));
1013 print_source_lines (sal_end
.symtab
,
1014 max (sal_end
.line
- (get_lines_to_list () - 1), 1),
1015 sal_end
.line
+ 1, 0);
1016 else if (sal
.symtab
== 0)
1017 error (_("No default source file yet. Do \"help list\"."));
1020 int first_line
= sal
.line
- get_lines_to_list () / 2;
1022 if (first_line
< 1) first_line
= 1;
1024 print_source_lines (sal
.symtab
,
1026 first_line
+ get_lines_to_list (),
1030 print_source_lines (sal
.symtab
, sal
.line
,
1032 ? sal
.line
+ get_lines_to_list ()
1033 : sal_end
.line
+ 1),
1037 /* Subroutine of disassemble_command to simplify it.
1038 Perform the disassembly.
1039 NAME is the name of the function if known, or NULL.
1040 [LOW,HIGH) are the range of addresses to disassemble.
1041 MIXED is non-zero to print source with the assembler. */
1044 print_disassembly (struct gdbarch
*gdbarch
, const char *name
,
1045 CORE_ADDR low
, CORE_ADDR high
, int flags
)
1048 if (!tui_is_window_visible (DISASSEM_WIN
))
1051 printf_filtered ("Dump of assembler code ");
1053 printf_filtered ("for function %s:\n", name
);
1055 printf_filtered ("from %s to %s:\n",
1056 paddress (gdbarch
, low
), paddress (gdbarch
, high
));
1058 /* Dump the specified range. */
1059 gdb_disassembly (gdbarch
, current_uiout
, 0, flags
, -1, low
, high
);
1061 printf_filtered ("End of assembler dump.\n");
1062 gdb_flush (gdb_stdout
);
1067 tui_show_assembly (gdbarch
, low
);
1072 /* Subroutine of disassemble_command to simplify it.
1073 Print a disassembly of the current function according to FLAGS. */
1076 disassemble_current_function (int flags
)
1078 struct frame_info
*frame
;
1079 struct gdbarch
*gdbarch
;
1080 CORE_ADDR low
, high
, pc
;
1083 frame
= get_selected_frame (_("No frame selected."));
1084 gdbarch
= get_frame_arch (frame
);
1085 pc
= get_frame_address_in_block (frame
);
1086 if (find_pc_partial_function (pc
, &name
, &low
, &high
) == 0)
1087 error (_("No function contains program counter for selected frame."));
1089 /* NOTE: cagney/2003-02-13 The `tui_active' was previously
1092 /* FIXME: cagney/2004-02-07: This should be an observer. */
1093 low
= tui_get_low_disassembly_address (gdbarch
, low
, pc
);
1095 low
+= gdbarch_deprecated_function_start_offset (gdbarch
);
1097 print_disassembly (gdbarch
, name
, low
, high
, flags
);
1100 /* Dump a specified section of assembly code.
1104 - dump the assembly code for the function of the current pc
1105 disassemble [/mr] addr
1106 - dump the assembly code for the function at ADDR
1107 disassemble [/mr] low,high
1108 disassemble [/mr] low,+length
1109 - dump the assembly code in the range [LOW,HIGH), or [LOW,LOW+length)
1111 A /m modifier will include source code with the assembly.
1112 A /r modifier will include raw instructions in hex with the assembly. */
1115 disassemble_command (char *arg
, int from_tty
)
1117 struct gdbarch
*gdbarch
= get_current_arch ();
1118 CORE_ADDR low
, high
;
1133 error (_("Missing modifier."));
1135 while (*p
&& ! isspace (*p
))
1140 flags
|= DISASSEMBLY_SOURCE
;
1143 flags
|= DISASSEMBLY_RAW_INSN
;
1146 error (_("Invalid disassembly modifier."));
1150 p
= skip_spaces_const (p
);
1155 flags
|= DISASSEMBLY_OMIT_FNAME
;
1156 disassemble_current_function (flags
);
1160 pc
= value_as_address (parse_to_comma_and_eval (&p
));
1166 if (find_pc_partial_function (pc
, &name
, &low
, &high
) == 0)
1167 error (_("No function contains specified address."));
1169 /* NOTE: cagney/2003-02-13 The `tui_active' was previously
1172 /* FIXME: cagney/2004-02-07: This should be an observer. */
1173 low
= tui_get_low_disassembly_address (gdbarch
, low
, pc
);
1175 low
+= gdbarch_deprecated_function_start_offset (gdbarch
);
1176 flags
|= DISASSEMBLY_OMIT_FNAME
;
1180 /* Two arguments. */
1183 p
= skip_spaces_const (p
);
1189 high
= parse_and_eval_address (p
);
1194 print_disassembly (gdbarch
, name
, low
, high
, flags
);
1198 make_command (char *arg
, int from_tty
)
1206 p
= xmalloc (sizeof ("make ") + strlen (arg
));
1207 strcpy (p
, "make ");
1208 strcpy (p
+ sizeof ("make ") - 1, arg
);
1211 shell_escape (p
, from_tty
);
1215 show_user (char *args
, int from_tty
)
1217 struct cmd_list_element
*c
;
1218 extern struct cmd_list_element
*cmdlist
;
1222 const char *comname
= args
;
1224 c
= lookup_cmd (&comname
, cmdlist
, "", 0, 1);
1225 /* c->user_commands would be NULL if it's a python command. */
1226 if (c
->class != class_user
|| !c
->user_commands
)
1227 error (_("Not a user command."));
1228 show_user_1 (c
, "", args
, gdb_stdout
);
1232 for (c
= cmdlist
; c
; c
= c
->next
)
1234 if (c
->class == class_user
|| c
->prefixlist
!= NULL
)
1235 show_user_1 (c
, "", c
->name
, gdb_stdout
);
1240 /* Search through names of commands and documentations for a certain
1241 regular expression. */
1244 apropos_command (char *searchstr
, int from_tty
)
1249 if (searchstr
== NULL
)
1250 error (_("REGEXP string is empty"));
1252 code
= regcomp (&pattern
, searchstr
, REG_ICASE
);
1255 struct cleanup
*cleanups
;
1257 cleanups
= make_regfree_cleanup (&pattern
);
1258 apropos_cmd (gdb_stdout
, cmdlist
, &pattern
, "");
1259 do_cleanups (cleanups
);
1263 char *err
= get_regcomp_error (code
, &pattern
);
1265 make_cleanup (xfree
, err
);
1266 error (_("Error in regular expression: %s"), err
);
1270 /* Subroutine of alias_command to simplify it.
1271 Return the first N elements of ARGV flattened back to a string
1272 with a space separating each element.
1273 ARGV may not be NULL.
1274 This does not take care of quoting elements in case they contain spaces
1278 argv_to_dyn_string (char **argv
, int n
)
1281 dyn_string_t result
= dyn_string_new (10);
1283 gdb_assert (argv
!= NULL
);
1284 gdb_assert (n
>= 0 && n
<= countargv (argv
));
1286 for (i
= 0; i
< n
; ++i
)
1289 dyn_string_append_char (result
, ' ');
1290 dyn_string_append_cstr (result
, argv
[i
]);
1296 /* Subroutine of alias_command to simplify it.
1297 Return TRUE if COMMAND exists, unambiguously. Otherwise FALSE. */
1300 valid_command_p (const char *command
)
1302 struct cmd_list_element
*c
;
1304 c
= lookup_cmd_1 (& command
, cmdlist
, NULL
, 1);
1306 if (c
== NULL
|| c
== (struct cmd_list_element
*) -1)
1309 /* This is the slightly tricky part.
1310 lookup_cmd_1 will return a pointer to the last part of COMMAND
1311 to match, leaving COMMAND pointing at the remainder. */
1312 while (*command
== ' ' || *command
== '\t')
1314 return *command
== '\0';
1317 /* Make an alias of an existing command. */
1320 alias_command (char *args
, int from_tty
)
1322 int i
, alias_argc
, command_argc
;
1323 int abbrev_flag
= 0;
1324 char *args2
, *equals
, *alias
, *command
;
1325 char **alias_argv
, **command_argv
;
1326 dyn_string_t alias_dyn_string
, command_dyn_string
;
1327 static const char usage
[] = N_("Usage: alias [-a] [--] ALIAS = COMMAND");
1329 if (args
== NULL
|| strchr (args
, '=') == NULL
)
1332 args2
= xstrdup (args
);
1333 make_cleanup (xfree
, args2
);
1334 equals
= strchr (args2
, '=');
1336 alias_argv
= gdb_buildargv (args2
);
1337 make_cleanup_freeargv (alias_argv
);
1338 command_argv
= gdb_buildargv (equals
+ 1);
1339 make_cleanup_freeargv (command_argv
);
1341 for (i
= 0; alias_argv
[i
] != NULL
; )
1343 if (strcmp (alias_argv
[i
], "-a") == 0)
1348 else if (strcmp (alias_argv
[i
], "--") == 0)
1357 if (alias_argv
[0] == NULL
|| command_argv
[0] == NULL
1358 || *alias_argv
[0] == '\0' || *command_argv
[0] == '\0')
1361 for (i
= 0; alias_argv
[i
] != NULL
; ++i
)
1363 if (! valid_user_defined_cmd_name_p (alias_argv
[i
]))
1366 error (_("Invalid command name: %s"), alias_argv
[i
]);
1368 error (_("Invalid command element name: %s"), alias_argv
[i
]);
1372 alias_argc
= countargv (alias_argv
);
1373 command_argc
= countargv (command_argv
);
1375 /* COMMAND must exist.
1376 Reconstruct the command to remove any extraneous spaces,
1377 for better error messages. */
1378 command_dyn_string
= argv_to_dyn_string (command_argv
, command_argc
);
1379 make_cleanup_dyn_string_delete (command_dyn_string
);
1380 command
= dyn_string_buf (command_dyn_string
);
1381 if (! valid_command_p (command
))
1382 error (_("Invalid command to alias to: %s"), command
);
1384 /* ALIAS must not exist. */
1385 alias_dyn_string
= argv_to_dyn_string (alias_argv
, alias_argc
);
1386 make_cleanup_dyn_string_delete (alias_dyn_string
);
1387 alias
= dyn_string_buf (alias_dyn_string
);
1388 if (valid_command_p (alias
))
1389 error (_("Alias already exists: %s"), alias
);
1391 /* If ALIAS is one word, it is an alias for the entire COMMAND.
1392 Example: alias spe = set print elements
1394 Otherwise ALIAS and COMMAND must have the same number of words,
1395 and every word except the last must match; and the last word of
1396 ALIAS is made an alias of the last word of COMMAND.
1397 Example: alias set print elms = set pr elem
1398 Note that unambiguous abbreviations are allowed. */
1400 if (alias_argc
== 1)
1402 /* add_cmd requires *we* allocate space for name, hence the xstrdup. */
1403 add_com_alias (xstrdup (alias_argv
[0]), command
, class_alias
,
1408 dyn_string_t alias_prefix_dyn_string
, command_prefix_dyn_string
;
1409 const char *alias_prefix
, *command_prefix
;
1410 struct cmd_list_element
*c_alias
, *c_command
;
1412 if (alias_argc
!= command_argc
)
1413 error (_("Mismatched command length between ALIAS and COMMAND."));
1415 /* Create copies of ALIAS and COMMAND without the last word,
1416 and use that to verify the leading elements match. */
1417 alias_prefix_dyn_string
=
1418 argv_to_dyn_string (alias_argv
, alias_argc
- 1);
1419 make_cleanup_dyn_string_delete (alias_prefix_dyn_string
);
1420 command_prefix_dyn_string
=
1421 argv_to_dyn_string (alias_argv
, command_argc
- 1);
1422 make_cleanup_dyn_string_delete (command_prefix_dyn_string
);
1423 alias_prefix
= dyn_string_buf (alias_prefix_dyn_string
);
1424 command_prefix
= dyn_string_buf (command_prefix_dyn_string
);
1426 c_command
= lookup_cmd_1 (& command_prefix
, cmdlist
, NULL
, 1);
1427 /* We've already tried to look up COMMAND. */
1428 gdb_assert (c_command
!= NULL
1429 && c_command
!= (struct cmd_list_element
*) -1);
1430 gdb_assert (c_command
->prefixlist
!= NULL
);
1431 c_alias
= lookup_cmd_1 (& alias_prefix
, cmdlist
, NULL
, 1);
1432 if (c_alias
!= c_command
)
1433 error (_("ALIAS and COMMAND prefixes do not match."));
1435 /* add_cmd requires *we* allocate space for name, hence the xstrdup. */
1436 add_alias_cmd (xstrdup (alias_argv
[alias_argc
- 1]),
1437 command_argv
[command_argc
- 1],
1438 class_alias
, abbrev_flag
, c_command
->prefixlist
);
1442 /* Print a list of files and line numbers which a user may choose from
1443 in order to list a function which was specified ambiguously (as
1444 with `list classname::overloadedfuncname', for example). The
1445 vector in SALS provides the filenames and line numbers. */
1448 ambiguous_line_spec (struct symtabs_and_lines
*sals
)
1452 for (i
= 0; i
< sals
->nelts
; ++i
)
1453 printf_filtered (_("file: \"%s\", line number: %d\n"),
1454 symtab_to_filename_for_display (sals
->sals
[i
].symtab
),
1455 sals
->sals
[i
].line
);
1458 /* Sort function for filter_sals. */
1461 compare_symtabs (const void *a
, const void *b
)
1463 const struct symtab_and_line
*sala
= a
;
1464 const struct symtab_and_line
*salb
= b
;
1467 if (!sala
->symtab
->dirname
)
1469 if (salb
->symtab
->dirname
)
1472 else if (!salb
->symtab
->dirname
)
1474 if (sala
->symtab
->dirname
)
1479 r
= filename_cmp (sala
->symtab
->dirname
, salb
->symtab
->dirname
);
1484 r
= filename_cmp (sala
->symtab
->filename
, salb
->symtab
->filename
);
1488 if (sala
->line
< salb
->line
)
1490 return sala
->line
== salb
->line
? 0 : 1;
1493 /* Remove any SALs that do not match the current program space, or
1494 which appear to be "file:line" duplicates. */
1497 filter_sals (struct symtabs_and_lines
*sals
)
1502 for (i
= 0; i
< sals
->nelts
; ++i
)
1504 if (sals
->sals
[i
].pspace
== current_program_space
1505 && sals
->sals
[i
].symtab
!= NULL
)
1507 sals
->sals
[out
] = sals
->sals
[i
];
1513 qsort (sals
->sals
, sals
->nelts
, sizeof (struct symtab_and_line
),
1518 for (i
= 1; i
< sals
->nelts
; ++i
)
1520 if (compare_symtabs (&sals
->sals
[prev
], &sals
->sals
[i
]))
1522 /* Symtabs differ. */
1523 sals
->sals
[out
] = sals
->sals
[i
];
1529 if (sals
->nelts
== 0)
1539 set_debug (char *arg
, int from_tty
)
1541 printf_unfiltered (_("\"set debug\" must be followed by "
1542 "the name of a debug subcommand.\n"));
1543 help_list (setdebuglist
, "set debug ", -1, gdb_stdout
);
1547 show_debug (char *args
, int from_tty
)
1549 cmd_show_list (showdebuglist
, from_tty
, "");
1553 init_cmd_lists (void)
1555 max_user_call_depth
= 1024;
1569 showhistlist
= NULL
;
1570 unsethistlist
= NULL
;
1571 maintenancelist
= NULL
;
1572 maintenanceinfolist
= NULL
;
1573 maintenanceprintlist
= NULL
;
1574 setprintlist
= NULL
;
1575 showprintlist
= NULL
;
1576 setchecklist
= NULL
;
1577 showchecklist
= NULL
;
1581 show_info_verbose (struct ui_file
*file
, int from_tty
,
1582 struct cmd_list_element
*c
,
1586 fprintf_filtered (file
,
1587 _("Verbose printing of informational messages is %s.\n"),
1590 fprintf_filtered (file
, _("Verbosity is %s.\n"), value
);
1594 show_history_expansion_p (struct ui_file
*file
, int from_tty
,
1595 struct cmd_list_element
*c
, const char *value
)
1597 fprintf_filtered (file
, _("History expansion on command input is %s.\n"),
1602 show_baud_rate (struct ui_file
*file
, int from_tty
,
1603 struct cmd_list_element
*c
, const char *value
)
1605 fprintf_filtered (file
, _("Baud rate for remote serial I/O is %s.\n"),
1610 show_remote_debug (struct ui_file
*file
, int from_tty
,
1611 struct cmd_list_element
*c
, const char *value
)
1613 fprintf_filtered (file
, _("Debugging of remote protocol is %s.\n"),
1618 show_remote_timeout (struct ui_file
*file
, int from_tty
,
1619 struct cmd_list_element
*c
, const char *value
)
1621 fprintf_filtered (file
,
1622 _("Timeout limit to wait for target to respond is %s.\n"),
1627 show_max_user_call_depth (struct ui_file
*file
, int from_tty
,
1628 struct cmd_list_element
*c
, const char *value
)
1630 fprintf_filtered (file
,
1631 _("The max call depth for user-defined commands is %s.\n"),
1637 initialize_file_ftype _initialize_cli_cmds
;
1640 _initialize_cli_cmds (void)
1642 struct cmd_list_element
*c
;
1644 /* Define the classes of commands.
1645 They will appear in the help list in alphabetical order. */
1647 add_cmd ("internals", class_maintenance
, NULL
, _("\
1648 Maintenance commands.\n\
1649 Some gdb commands are provided just for use by gdb maintainers.\n\
1650 These commands are subject to frequent change, and may not be as\n\
1651 well documented as user commands."),
1653 add_cmd ("obscure", class_obscure
, NULL
, _("Obscure features."), &cmdlist
);
1654 add_cmd ("aliases", class_alias
, NULL
,
1655 _("Aliases of other commands."), &cmdlist
);
1656 add_cmd ("user-defined", class_user
, NULL
, _("\
1657 User-defined commands.\n\
1658 The commands in this class are those defined by the user.\n\
1659 Use the \"define\" command to define a command."), &cmdlist
);
1660 add_cmd ("support", class_support
, NULL
, _("Support facilities."), &cmdlist
);
1662 add_cmd ("status", class_info
, NULL
, _("Status inquiries."), &cmdlist
);
1663 add_cmd ("files", class_files
, NULL
, _("Specifying and examining files."),
1665 add_cmd ("breakpoints", class_breakpoint
, NULL
,
1666 _("Making program stop at certain points."), &cmdlist
);
1667 add_cmd ("data", class_vars
, NULL
, _("Examining data."), &cmdlist
);
1668 add_cmd ("stack", class_stack
, NULL
, _("\
1669 Examining the stack.\n\
1670 The stack is made up of stack frames. Gdb assigns numbers to stack frames\n\
1671 counting from zero for the innermost (currently executing) frame.\n\n\
1672 At any time gdb identifies one frame as the \"selected\" frame.\n\
1673 Variable lookups are done with respect to the selected frame.\n\
1674 When the program being debugged stops, gdb selects the innermost frame.\n\
1675 The commands below can be used to select other frames by number or address."),
1677 add_cmd ("running", class_run
, NULL
, _("Running the program."), &cmdlist
);
1679 /* Define general commands. */
1681 add_com ("pwd", class_files
, pwd_command
, _("\
1682 Print working directory. This is used for your program as well."));
1684 c
= add_cmd ("cd", class_files
, cd_command
, _("\
1685 Set working directory to DIR for debugger and program being debugged.\n\
1686 The change does not take effect for the program being debugged\n\
1687 until the next time it is started."), &cmdlist
);
1688 set_cmd_completer (c
, filename_completer
);
1690 add_com ("echo", class_support
, echo_command
, _("\
1691 Print a constant string. Give string as argument.\n\
1692 C escape sequences may be used in the argument.\n\
1693 No newline is added at the end of the argument;\n\
1694 use \"\\n\" if you want a newline to be printed.\n\
1695 Since leading and trailing whitespace are ignored in command arguments,\n\
1696 if you want to print some you must use \"\\\" before leading whitespace\n\
1697 to be printed or after trailing whitespace."));
1699 add_setshow_enum_cmd ("script-extension", class_support
,
1700 script_ext_enums
, &script_ext_mode
, _("\
1701 Set mode for script filename extension recognition."), _("\
1702 Show mode for script filename extension recognition."), _("\
1703 off == no filename extension recognition (all sourced files are GDB scripts)\n\
1704 soft == evaluate script according to filename extension, fallback to GDB script"
1706 strict == evaluate script according to filename extension, error if not supported"
1709 show_script_ext_mode
,
1710 &setlist
, &showlist
);
1712 add_com ("quit", class_support
, quit_command
, _("Exit gdb."));
1713 c
= add_com ("help", class_support
, help_command
,
1714 _("Print list of commands."));
1715 set_cmd_completer (c
, command_completer
);
1716 add_com_alias ("q", "quit", class_support
, 1);
1717 add_com_alias ("h", "help", class_support
, 1);
1719 add_setshow_boolean_cmd ("verbose", class_support
, &info_verbose
, _("\
1720 Set verbosity."), _("\
1721 Show verbosity."), NULL
,
1724 &setlist
, &showlist
);
1726 add_prefix_cmd ("history", class_support
, set_history
,
1727 _("Generic command for setting command history parameters."),
1728 &sethistlist
, "set history ", 0, &setlist
);
1729 add_prefix_cmd ("history", class_support
, show_history
,
1730 _("Generic command for showing command history parameters."),
1731 &showhistlist
, "show history ", 0, &showlist
);
1733 add_setshow_boolean_cmd ("expansion", no_class
, &history_expansion_p
, _("\
1734 Set history expansion on command input."), _("\
1735 Show history expansion on command input."), _("\
1736 Without an argument, history expansion is enabled."),
1738 show_history_expansion_p
,
1739 &sethistlist
, &showhistlist
);
1741 add_prefix_cmd ("info", class_info
, info_command
, _("\
1742 Generic command for showing things about the program being debugged."),
1743 &infolist
, "info ", 0, &cmdlist
);
1744 add_com_alias ("i", "info", class_info
, 1);
1745 add_com_alias ("inf", "info", class_info
, 1);
1747 add_com ("complete", class_obscure
, complete_command
,
1748 _("List the completions for the rest of the line as a command."));
1750 add_prefix_cmd ("show", class_info
, show_command
, _("\
1751 Generic command for showing things about the debugger."),
1752 &showlist
, "show ", 0, &cmdlist
);
1753 /* Another way to get at the same thing. */
1754 add_info ("set", show_command
, _("Show all GDB settings."));
1756 add_cmd ("commands", no_set_class
, show_commands
, _("\
1757 Show the history of commands you typed.\n\
1758 You can supply a command number to start with, or a `+' to start after\n\
1759 the previous command number shown."),
1762 add_cmd ("version", no_set_class
, show_version
,
1763 _("Show what version of GDB this is."), &showlist
);
1765 add_cmd ("configuration", no_set_class
, show_configuration
,
1766 _("Show how GDB was configured at build time."), &showlist
);
1768 /* If target is open when baud changes, it doesn't take effect until
1769 the next open (I think, not sure). */
1770 add_setshow_zinteger_cmd ("remotebaud", no_class
, &baud_rate
, _("\
1771 Set baud rate for remote serial I/O."), _("\
1772 Show baud rate for remote serial I/O."), _("\
1773 This value is used to set the speed of the serial port when debugging\n\
1774 using remote targets."),
1777 &setlist
, &showlist
);
1779 add_setshow_zinteger_cmd ("remote", no_class
, &remote_debug
, _("\
1780 Set debugging of remote protocol."), _("\
1781 Show debugging of remote protocol."), _("\
1782 When enabled, each packet sent or received with the remote target\n\
1786 &setdebuglist
, &showdebuglist
);
1788 add_setshow_zuinteger_unlimited_cmd ("remotetimeout", no_class
,
1789 &remote_timeout
, _("\
1790 Set timeout limit to wait for target to respond."), _("\
1791 Show timeout limit to wait for target to respond."), _("\
1792 This value is used to set the time limit for gdb to wait for a response\n\
1795 show_remote_timeout
,
1796 &setlist
, &showlist
);
1798 add_prefix_cmd ("debug", no_class
, set_debug
,
1799 _("Generic command for setting gdb debugging flags"),
1800 &setdebuglist
, "set debug ", 0, &setlist
);
1802 add_prefix_cmd ("debug", no_class
, show_debug
,
1803 _("Generic command for showing gdb debugging flags"),
1804 &showdebuglist
, "show debug ", 0, &showlist
);
1806 c
= add_com ("shell", class_support
, shell_escape
, _("\
1807 Execute the rest of the line as a shell command.\n\
1808 With no arguments, run an inferior shell."));
1809 set_cmd_completer (c
, filename_completer
);
1811 c
= add_com ("edit", class_files
, edit_command
, _("\
1812 Edit specified file or function.\n\
1813 With no argument, edits file containing most recent line listed.\n\
1814 Editing targets can be specified in these ways:\n\
1815 FILE:LINENUM, to edit at that line in that file,\n\
1816 FUNCTION, to edit at the beginning of that function,\n\
1817 FILE:FUNCTION, to distinguish among like-named static functions.\n\
1818 *ADDRESS, to edit at the line containing that address.\n\
1819 Uses EDITOR environment variable contents as editor (or ex as default)."));
1821 c
->completer
= location_completer
;
1823 add_com ("list", class_files
, list_command
, _("\
1824 List specified function or line.\n\
1825 With no argument, lists ten more lines after or around previous listing.\n\
1826 \"list -\" lists the ten lines before a previous ten-line listing.\n\
1827 One argument specifies a line, and ten lines are listed around that line.\n\
1828 Two arguments with comma between specify starting and ending lines to list.\n\
1829 Lines can be specified in these ways:\n\
1830 LINENUM, to list around that line in current file,\n\
1831 FILE:LINENUM, to list around that line in that file,\n\
1832 FUNCTION, to list around beginning of that function,\n\
1833 FILE:FUNCTION, to distinguish among like-named static functions.\n\
1834 *ADDRESS, to list around the line containing that address.\n\
1835 With two args if one is empty it stands for ten lines away from \
1839 add_com_alias ("l", "list", class_files
, 1);
1841 add_com_alias ("v", "list", class_files
, 1);
1844 add_com_alias ("file", "list", class_files
, 1);
1846 c
= add_com ("disassemble", class_vars
, disassemble_command
, _("\
1847 Disassemble a specified section of memory.\n\
1848 Default is the function surrounding the pc of the selected frame.\n\
1849 With a /m modifier, source lines are included (if available).\n\
1850 With a /r modifier, raw instructions in hex are included.\n\
1851 With a single argument, the function surrounding that address is dumped.\n\
1852 Two arguments (separated by a comma) are taken as a range of memory to dump,\n\
1853 in the form of \"start,end\", or \"start,+length\".\n\
1855 Note that the address is interpreted as an expression, not as a location\n\
1856 like in the \"break\" command.\n\
1857 So, for example, if you want to disassemble function bar in file foo.c\n\
1858 you must type \"disassemble 'foo.c'::bar\" and not \"disassemble foo.c:bar\"."));
1859 set_cmd_completer (c
, location_completer
);
1861 add_com_alias ("va", "disassemble", class_xdb
, 0);
1863 add_com_alias ("!", "shell", class_support
, 0);
1865 c
= add_com ("make", class_support
, make_command
, _("\
1866 Run the ``make'' program using the rest of the line as arguments."));
1867 set_cmd_completer (c
, filename_completer
);
1868 add_cmd ("user", no_class
, show_user
, _("\
1869 Show definitions of non-python user defined commands.\n\
1870 Argument is the name of the user defined command.\n\
1871 With no argument, show definitions of all user defined commands."), &showlist
);
1872 add_com ("apropos", class_support
, apropos_command
,
1873 _("Search for commands matching a REGEXP"));
1875 add_setshow_uinteger_cmd ("max-user-call-depth", no_class
,
1876 &max_user_call_depth
, _("\
1877 Set the max call depth for non-python user-defined commands."), _("\
1878 Show the max call depth for non-python user-defined commands."), NULL
,
1880 show_max_user_call_depth
,
1881 &setlist
, &showlist
);
1883 add_setshow_boolean_cmd ("trace-commands", no_class
, &trace_commands
, _("\
1884 Set tracing of GDB CLI commands."), _("\
1885 Show state of GDB CLI command tracing."), _("\
1886 When 'on', each command is displayed as it is executed."),
1889 &setlist
, &showlist
);
1891 c
= add_com ("alias", class_support
, alias_command
, _("\
1892 Define a new command that is an alias of an existing command.\n\
1893 Usage: alias [-a] [--] ALIAS = COMMAND\n\
1894 ALIAS is the name of the alias command to create.\n\
1895 COMMAND is the command being aliased to.\n\
1896 If \"-a\" is specified, the command is an abbreviation,\n\
1897 and will not appear in help command list output.\n\
1900 Make \"spe\" an alias of \"set print elements\":\n\
1901 alias spe = set print elements\n\
1902 Make \"elms\" an alias of \"elements\" in the \"set print\" command:\n\
1903 alias -a set print elms = set print elements"));
1907 init_cli_cmds (void)
1909 struct cmd_list_element
*c
;
1910 char *source_help_text
;
1912 source_help_text
= xstrprintf (_("\
1913 Read commands from a file named FILE.\n\
1915 Usage: source [-s] [-v] FILE\n\
1916 -s: search for the script in the source search path,\n\
1917 even if FILE contains directories.\n\
1918 -v: each command in FILE is echoed as it is executed.\n\
1920 Note that the file \"%s\" is read automatically in this way\n\
1921 when GDB is started."), gdbinit
);
1922 c
= add_cmd ("source", class_support
, source_command
,
1923 source_help_text
, &cmdlist
);
1924 set_cmd_completer (c
, filename_completer
);