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"
51 #include "python/python.h"
54 #include "tui/tui.h" /* For tui_active et.al. */
59 /* Prototypes for local command functions */
61 static void complete_command (char *, int);
63 static void echo_command (char *, int);
65 static void pwd_command (char *, int);
67 static void show_version (char *, int);
69 static void help_command (char *, int);
71 static void show_command (char *, int);
73 static void info_command (char *, int);
75 static void show_debug (char *, int);
77 static void set_debug (char *, int);
79 static void show_user (char *, int);
81 static void make_command (char *, int);
83 static void shell_escape (char *, int);
85 static void edit_command (char *, int);
87 static void list_command (char *, int);
89 /* Prototypes for local utility functions */
91 static void ambiguous_line_spec (struct symtabs_and_lines
*);
93 static void filter_sals (struct symtabs_and_lines
*);
96 /* Limit the call depth of user-defined commands */
97 unsigned int max_user_call_depth
;
99 /* Define all cmd_list_elements. */
101 /* Chain containing all defined commands. */
103 struct cmd_list_element
*cmdlist
;
105 /* Chain containing all defined info subcommands. */
107 struct cmd_list_element
*infolist
;
109 /* Chain containing all defined enable subcommands. */
111 struct cmd_list_element
*enablelist
;
113 /* Chain containing all defined disable subcommands. */
115 struct cmd_list_element
*disablelist
;
117 /* Chain containing all defined toggle subcommands. */
119 struct cmd_list_element
*togglelist
;
121 /* Chain containing all defined stop subcommands. */
123 struct cmd_list_element
*stoplist
;
125 /* Chain containing all defined delete subcommands. */
127 struct cmd_list_element
*deletelist
;
129 /* Chain containing all defined detach subcommands. */
131 struct cmd_list_element
*detachlist
;
133 /* Chain containing all defined kill subcommands. */
135 struct cmd_list_element
*killlist
;
137 /* Chain containing all defined set subcommands */
139 struct cmd_list_element
*setlist
;
141 /* Chain containing all defined unset subcommands */
143 struct cmd_list_element
*unsetlist
;
145 /* Chain containing all defined show subcommands. */
147 struct cmd_list_element
*showlist
;
149 /* Chain containing all defined \"set history\". */
151 struct cmd_list_element
*sethistlist
;
153 /* Chain containing all defined \"show history\". */
155 struct cmd_list_element
*showhistlist
;
157 /* Chain containing all defined \"unset history\". */
159 struct cmd_list_element
*unsethistlist
;
161 /* Chain containing all defined maintenance subcommands. */
163 struct cmd_list_element
*maintenancelist
;
165 /* Chain containing all defined "maintenance info" subcommands. */
167 struct cmd_list_element
*maintenanceinfolist
;
169 /* Chain containing all defined "maintenance print" subcommands. */
171 struct cmd_list_element
*maintenanceprintlist
;
173 struct cmd_list_element
*setprintlist
;
175 struct cmd_list_element
*showprintlist
;
177 struct cmd_list_element
*setdebuglist
;
179 struct cmd_list_element
*showdebuglist
;
181 struct cmd_list_element
*setchecklist
;
183 struct cmd_list_element
*showchecklist
;
185 /* Command tracing state. */
187 int source_verbose
= 0;
188 int trace_commands
= 0;
190 /* 'script-extension' option support. */
192 static const char script_ext_off
[] = "off";
193 static const char script_ext_soft
[] = "soft";
194 static const char script_ext_strict
[] = "strict";
196 static const char *const script_ext_enums
[] = {
203 static const char *script_ext_mode
= script_ext_soft
;
205 /* Utility used everywhere when at least one argument is needed and
209 error_no_arg (char *why
)
211 error (_("Argument required (%s)."), why
);
214 /* The "info" command is defined as a prefix, with allow_unknown = 0.
215 Therefore, its own definition is called only for "info" with no
219 info_command (char *arg
, int from_tty
)
221 printf_unfiltered (_("\"info\" must be followed by "
222 "the name of an info command.\n"));
223 help_list (infolist
, "info ", -1, gdb_stdout
);
226 /* The "show" command with no arguments shows all the settings. */
229 show_command (char *arg
, int from_tty
)
231 cmd_show_list (showlist
, from_tty
, "");
234 /* Provide documentation on command or list given by COMMAND. FROM_TTY
238 help_command (char *command
, int from_tty
)
240 help_cmd (command
, gdb_stdout
);
243 /* The "complete" command is used by Emacs to implement completion. */
246 complete_command (char *arg
, int from_tty
)
249 char *point
, *arg_prefix
;
250 VEC (char_ptr
) *completions
;
256 argpoint
= strlen (arg
);
258 /* complete_line assumes that its first argument is somewhere
259 within, and except for filenames at the beginning of, the word to
260 be completed. The following crude imitation of readline's
261 word-breaking tries to accomodate this. */
262 point
= arg
+ argpoint
;
265 if (strchr (rl_completer_word_break_characters
, point
[-1]) != 0)
270 arg_prefix
= alloca (point
- arg
+ 1);
271 memcpy (arg_prefix
, arg
, point
- arg
);
272 arg_prefix
[point
- arg
] = 0;
274 completions
= complete_line (point
, arg
, argpoint
);
278 int ix
, size
= VEC_length (char_ptr
, completions
);
279 char *item
, *prev
= NULL
;
281 qsort (VEC_address (char_ptr
, completions
), size
,
282 sizeof (char *), compare_strings
);
284 /* We do extra processing here since we only want to print each
286 for (ix
= 0; VEC_iterate (char_ptr
, completions
, ix
, item
); ++ix
)
288 if (prev
== NULL
|| strcmp (item
, prev
) != 0)
290 printf_unfiltered ("%s%s\n", arg_prefix
, item
);
299 VEC_free (char_ptr
, completions
);
304 is_complete_command (struct cmd_list_element
*c
)
306 return cmd_cfunc_eq (c
, complete_command
);
310 show_version (char *args
, int from_tty
)
312 print_gdb_version (gdb_stdout
);
313 printf_filtered ("\n");
316 /* Handle the quit command. */
319 quit_command (char *args
, int from_tty
)
321 if (!quit_confirm ())
322 error (_("Not confirmed."));
324 disconnect_tracing (from_tty
);
326 quit_force (args
, from_tty
);
330 pwd_command (char *args
, int from_tty
)
333 error (_("The \"pwd\" command does not take an argument: %s"), args
);
334 if (! getcwd (gdb_dirbuf
, sizeof (gdb_dirbuf
)))
335 error (_("Error finding name of working directory: %s"),
336 safe_strerror (errno
));
338 if (strcmp (gdb_dirbuf
, current_directory
) != 0)
339 printf_unfiltered (_("Working directory %s\n (canonically %s).\n"),
340 current_directory
, gdb_dirbuf
);
342 printf_unfiltered (_("Working directory %s.\n"), current_directory
);
346 cd_command (char *dir
, int from_tty
)
349 /* Found something other than leading repetitions of "/..". */
353 /* If the new directory is absolute, repeat is a no-op; if relative,
354 repeat might be useful but is more likely to be a mistake. */
360 dir
= tilde_expand (dir
);
361 make_cleanup (xfree
, dir
);
364 perror_with_name (dir
);
366 #ifdef HAVE_DOS_BASED_FILE_SYSTEM
367 /* There's too much mess with DOSish names like "d:", "d:.",
368 "d:./foo" etc. Instead of having lots of special #ifdef'ed code,
369 simply get the canonicalized name of the current directory. */
370 dir
= getcwd (gdb_dirbuf
, sizeof (gdb_dirbuf
));
374 if (IS_DIR_SEPARATOR (dir
[len
- 1]))
376 /* Remove the trailing slash unless this is a root directory
377 (including a drive letter on non-Unix systems). */
378 if (!(len
== 1) /* "/" */
379 #ifdef HAVE_DOS_BASED_FILE_SYSTEM
380 && !(len
== 3 && dir
[1] == ':') /* "d:/" */
386 dir
= savestring (dir
, len
);
387 if (IS_ABSOLUTE_PATH (dir
))
388 current_directory
= dir
;
391 if (IS_DIR_SEPARATOR (current_directory
[strlen (current_directory
) - 1]))
392 current_directory
= concat (current_directory
, dir
, (char *)NULL
);
394 current_directory
= concat (current_directory
, SLASH_STRING
,
399 /* Now simplify any occurrences of `.' and `..' in the pathname. */
402 for (p
= current_directory
; *p
;)
404 if (IS_DIR_SEPARATOR (p
[0]) && p
[1] == '.'
405 && (p
[2] == 0 || IS_DIR_SEPARATOR (p
[2])))
406 memmove (p
, p
+ 2, strlen (p
+ 2) + 1);
407 else if (IS_DIR_SEPARATOR (p
[0]) && p
[1] == '.' && p
[2] == '.'
408 && (p
[3] == 0 || IS_DIR_SEPARATOR (p
[3])))
412 /* Search backwards for the directory just before the "/.."
413 and obliterate it and the "/..". */
416 while (q
!= current_directory
&& !IS_DIR_SEPARATOR (q
[-1]))
419 if (q
== current_directory
)
420 /* current_directory is
421 a relative pathname ("can't happen"--leave it alone). */
425 memmove (q
- 1, p
+ 3, strlen (p
+ 3) + 1);
430 /* We are dealing with leading repetitions of "/..", for
431 example "/../..", which is the Mach super-root. */
441 forget_cached_source_info ();
444 pwd_command ((char *) 0, 1);
447 /* Show the current value of the 'script-extension' option. */
450 show_script_ext_mode (struct ui_file
*file
, int from_tty
,
451 struct cmd_list_element
*c
, const char *value
)
453 fprintf_filtered (file
,
454 _("Script filename extension recognition is \"%s\".\n"),
458 /* Try to open SCRIPT_FILE.
459 If successful, the full path name is stored in *FULL_PATHP,
460 the stream is stored in *STREAMP, and return 1.
461 The caller is responsible for freeing *FULL_PATHP.
462 If not successful, return 0; errno is set for the last file
465 If SEARCH_PATH is non-zero, and the file isn't found in cwd,
466 search for it in the source search path.
468 NOTE: This calls openp which uses xfullpath to compute the full path
469 instead of gdb_realpath. Symbolic links are not resolved. */
472 find_and_open_script (const char *script_file
, int search_path
,
473 FILE **streamp
, char **full_pathp
)
477 struct cleanup
*old_cleanups
;
478 int search_flags
= OPF_TRY_CWD_FIRST
;
480 file
= tilde_expand (script_file
);
481 old_cleanups
= make_cleanup (xfree
, file
);
484 search_flags
|= OPF_SEARCH_IN_PATH
;
486 /* Search for and open 'file' on the search path used for source
487 files. Put the full location in *FULL_PATHP. */
488 fd
= openp (source_path
, search_flags
,
489 file
, O_RDONLY
, full_pathp
);
493 int save_errno
= errno
;
494 do_cleanups (old_cleanups
);
499 do_cleanups (old_cleanups
);
501 *streamp
= fdopen (fd
, FOPEN_RT
);
502 if (*streamp
== NULL
)
504 int save_errno
= errno
;
516 /* Load script FILE, which has already been opened as STREAM. */
519 source_script_from_stream (FILE *stream
, const char *file
)
521 if (script_ext_mode
!= script_ext_off
522 && strlen (file
) > 3 && !strcmp (&file
[strlen (file
) - 3], ".py"))
524 volatile struct gdb_exception e
;
526 TRY_CATCH (e
, RETURN_MASK_ERROR
)
528 source_python_script (stream
, file
);
532 /* Should we fallback to ye olde GDB script mode? */
533 if (script_ext_mode
== script_ext_soft
534 && e
.reason
== RETURN_ERROR
&& e
.error
== UNSUPPORTED_ERROR
)
536 fseek (stream
, 0, SEEK_SET
);
537 script_from_file (stream
, (char*) file
);
541 /* Nope, just punt. */
547 script_from_file (stream
, file
);
550 /* Worker to perform the "source" command.
552 If SEARCH_PATH is non-zero, and the file isn't found in cwd,
553 search for it in the source search path. */
556 source_script_with_search (const char *file
, int from_tty
, int search_path
)
560 struct cleanup
*old_cleanups
;
562 if (file
== NULL
|| *file
== 0)
563 error (_("source command requires file name of file to source."));
565 if (!find_and_open_script (file
, search_path
, &stream
, &full_path
))
567 /* The script wasn't found, or was otherwise inaccessible.
568 If the source command was invoked interactively, throw an
569 error. Otherwise (e.g. if it was invoked by a script),
570 silently ignore the error. */
572 perror_with_name (file
);
577 old_cleanups
= make_cleanup (xfree
, full_path
);
578 make_cleanup_fclose (stream
);
579 /* The python support reopens the file, so we need to pass full_path here
580 in case the file was found on the search path. It's useful to do this
581 anyway so that error messages show the actual file used. But only do
582 this if we (may have) used search_path, as printing the full path in
583 errors for the non-search case can be more noise than signal. */
584 source_script_from_stream (stream
, search_path
? full_path
: file
);
585 do_cleanups (old_cleanups
);
588 /* Wrapper around source_script_with_search to export it to main.c
589 for use in loading .gdbinit scripts. */
592 source_script (char *file
, int from_tty
)
594 source_script_with_search (file
, from_tty
, 0);
597 /* Return the source_verbose global variable to its previous state
598 on exit from the source command, by whatever means. */
600 source_verbose_cleanup (void *old_value
)
602 source_verbose
= *(int *)old_value
;
607 source_command (char *args
, int from_tty
)
609 struct cleanup
*old_cleanups
;
611 int *old_source_verbose
= xmalloc (sizeof(int));
614 *old_source_verbose
= source_verbose
;
615 old_cleanups
= make_cleanup (source_verbose_cleanup
,
618 /* -v causes the source command to run in verbose mode.
619 -s causes the file to be searched in the source search path,
620 even if the file name contains a '/'.
621 We still have to be able to handle filenames with spaces in a
622 backward compatible way, so buildargv is not appropriate. */
626 while (args
[0] != '\0')
628 /* Make sure leading white space does not break the
630 while (isspace(args
[0]))
636 if (args
[1] == 'v' && isspace (args
[2]))
640 /* Skip passed -v. */
643 else if (args
[1] == 's' && isspace (args
[2]))
647 /* Skip passed -s. */
654 while (isspace (args
[0]))
659 source_script_with_search (file
, from_tty
, search_path
);
661 do_cleanups (old_cleanups
);
666 echo_command (char *text
, int from_tty
)
672 while ((c
= *p
++) != '\0')
676 /* \ at end of argument is used after spaces
677 so they won't be lost. */
681 c
= parse_escape (get_current_arch (), &p
);
683 printf_filtered ("%c", c
);
686 printf_filtered ("%c", c
);
689 /* Force this output to appear now. */
691 gdb_flush (gdb_stdout
);
695 shell_escape (char *arg
, int from_tty
)
697 #if defined(CANT_FORK) || \
698 (!defined(HAVE_WORKING_VFORK) && !defined(HAVE_WORKING_FORK))
699 /* If ARG is NULL, they want an inferior shell, but `system' just
700 reports if the shell is available when passed a NULL arg. */
701 int rc
= system (arg
? arg
: "");
704 arg
= "inferior shell";
708 fprintf_unfiltered (gdb_stderr
, "Cannot execute %s: %s\n", arg
,
709 safe_strerror (errno
));
710 gdb_flush (gdb_stderr
);
714 fprintf_unfiltered (gdb_stderr
, "%s exited with status %d\n", arg
, rc
);
715 gdb_flush (gdb_stderr
);
718 /* Make sure to return to the directory GDB thinks it is, in case
719 the shell command we just ran changed it. */
720 chdir (current_directory
);
722 #else /* Can fork. */
725 if ((pid
= vfork ()) == 0)
727 const char *p
, *user_shell
;
729 if ((user_shell
= (char *) getenv ("SHELL")) == NULL
)
730 user_shell
= "/bin/sh";
732 /* Get the name of the shell for arg0. */
733 p
= lbasename (user_shell
);
736 execl (user_shell
, p
, (char *) 0);
738 execl (user_shell
, p
, "-c", arg
, (char *) 0);
740 fprintf_unfiltered (gdb_stderr
, "Cannot execute %s: %s\n", user_shell
,
741 safe_strerror (errno
));
742 gdb_flush (gdb_stderr
);
747 waitpid (pid
, &status
, 0);
749 error (_("Fork failed"));
750 #endif /* Can fork. */
754 edit_command (char *arg
, int from_tty
)
756 struct symtabs_and_lines sals
;
757 struct symtab_and_line sal
;
764 /* Pull in the current default source line if necessary. */
767 set_default_source_symtab_and_line ();
768 sal
= get_current_source_symtab_and_line ();
771 /* Bare "edit" edits file with present line. */
776 error (_("No default source file yet."));
777 sal
.line
+= get_lines_to_list () / 2;
781 /* Now should only be one argument -- decode it in SAL. */
784 sals
= decode_line_1 (&arg1
, DECODE_LINE_LIST_MODE
, 0, 0);
794 ambiguous_line_spec (&sals
);
803 error (_("Junk at end of line specification."));
805 /* If line was specified by address, first print exactly which
806 line, and which file. In this case, sal.symtab == 0 means
807 address is outside of all known source files, not that user
808 failed to give a filename. */
811 struct gdbarch
*gdbarch
;
814 /* FIXME-32x64--assumes sal.pc fits in long. */
815 error (_("No source file for address %s."),
816 hex_string ((unsigned long) sal
.pc
));
818 gdbarch
= get_objfile_arch (sal
.symtab
->objfile
);
819 sym
= find_pc_function (sal
.pc
);
821 printf_filtered ("%s is in %s (%s:%d).\n",
822 paddress (gdbarch
, sal
.pc
),
823 SYMBOL_PRINT_NAME (sym
),
824 sal
.symtab
->filename
, sal
.line
);
826 printf_filtered ("%s is at %s:%d.\n",
827 paddress (gdbarch
, sal
.pc
),
828 sal
.symtab
->filename
, sal
.line
);
831 /* If what was given does not imply a symtab, it must be an
832 undebuggable symbol which means no source code. */
835 error (_("No line number known for %s."), arg
);
838 if ((editor
= (char *) getenv ("EDITOR")) == NULL
)
841 fn
= symtab_to_fullname (sal
.symtab
);
843 /* Quote the file name, in case it has whitespace or other special
845 p
= xstrprintf ("%s +%d \"%s\"", editor
, sal
.line
, fn
);
846 shell_escape (p
, from_tty
);
851 list_command (char *arg
, int from_tty
)
853 struct symtabs_and_lines sals
, sals_end
;
854 struct symtab_and_line sal
= { 0 };
855 struct symtab_and_line sal_end
= { 0 };
856 struct symtab_and_line cursal
= { 0 };
865 /* Pull in the current default source line if necessary. */
866 if (arg
== 0 || arg
[0] == '+' || arg
[0] == '-')
868 set_default_source_symtab_and_line ();
869 cursal
= get_current_source_symtab_and_line ();
872 /* "l" or "l +" lists next ten lines. */
874 if (arg
== 0 || strcmp (arg
, "+") == 0)
876 print_source_lines (cursal
.symtab
, cursal
.line
,
877 cursal
.line
+ get_lines_to_list (), 0);
881 /* "l -" lists previous ten lines, the ones before the ten just
883 if (strcmp (arg
, "-") == 0)
885 print_source_lines (cursal
.symtab
,
886 max (get_first_line_listed ()
887 - get_lines_to_list (), 1),
888 get_first_line_listed (), 0);
892 /* Now if there is only one argument, decode it in SAL
894 If there are two arguments, decode them in SAL and SAL_END
895 and clear NO_END; however, if one of the arguments is blank,
896 set DUMMY_BEG or DUMMY_END to record that fact. */
898 if (!have_full_symbols () && !have_partial_symbols ())
899 error (_("No symbol table is loaded. Use the \"file\" command."));
906 sals
= decode_line_1 (&arg1
, DECODE_LINE_LIST_MODE
, 0, 0);
913 ambiguous_line_spec (&sals
);
922 /* Record whether the BEG arg is all digits. */
924 for (p
= arg
; p
!= arg1
&& *p
>= '0' && *p
<= '9'; p
++);
925 linenum_beg
= (p
== arg1
);
927 while (*arg1
== ' ' || *arg1
== '\t')
933 while (*arg1
== ' ' || *arg1
== '\t')
940 sals_end
= decode_line_1 (&arg1
, DECODE_LINE_LIST_MODE
, 0, 0);
942 sals_end
= decode_line_1 (&arg1
, DECODE_LINE_LIST_MODE
,
943 sal
.symtab
, sal
.line
);
944 filter_sals (&sals_end
);
945 if (sals_end
.nelts
== 0)
947 if (sals_end
.nelts
> 1)
949 ambiguous_line_spec (&sals_end
);
950 xfree (sals_end
.sals
);
953 sal_end
= sals_end
.sals
[0];
954 xfree (sals_end
.sals
);
959 error (_("Junk at end of line specification."));
961 if (!no_end
&& !dummy_beg
&& !dummy_end
962 && sal
.symtab
!= sal_end
.symtab
)
963 error (_("Specified start and end are in different files."));
964 if (dummy_beg
&& dummy_end
)
965 error (_("Two empty args do not say what lines to list."));
967 /* If line was specified by address,
968 first print exactly which line, and which file.
970 In this case, sal.symtab == 0 means address is outside of all
971 known source files, not that user failed to give a filename. */
974 struct gdbarch
*gdbarch
;
977 /* FIXME-32x64--assumes sal.pc fits in long. */
978 error (_("No source file for address %s."),
979 hex_string ((unsigned long) sal
.pc
));
981 gdbarch
= get_objfile_arch (sal
.symtab
->objfile
);
982 sym
= find_pc_function (sal
.pc
);
984 printf_filtered ("%s is in %s (%s:%d).\n",
985 paddress (gdbarch
, sal
.pc
),
986 SYMBOL_PRINT_NAME (sym
),
987 sal
.symtab
->filename
, sal
.line
);
989 printf_filtered ("%s is at %s:%d.\n",
990 paddress (gdbarch
, sal
.pc
),
991 sal
.symtab
->filename
, sal
.line
);
994 /* If line was not specified by just a line number, and it does not
995 imply a symtab, it must be an undebuggable symbol which means no
998 if (!linenum_beg
&& sal
.symtab
== 0)
999 error (_("No line number known for %s."), arg
);
1001 /* If this command is repeated with RET,
1002 turn it into the no-arg variant. */
1007 if (dummy_beg
&& sal_end
.symtab
== 0)
1008 error (_("No default source file yet. Do \"help list\"."));
1010 print_source_lines (sal_end
.symtab
,
1011 max (sal_end
.line
- (get_lines_to_list () - 1), 1),
1012 sal_end
.line
+ 1, 0);
1013 else if (sal
.symtab
== 0)
1014 error (_("No default source file yet. Do \"help list\"."));
1017 int first_line
= sal
.line
- get_lines_to_list () / 2;
1019 if (first_line
< 1) first_line
= 1;
1021 print_source_lines (sal
.symtab
,
1023 first_line
+ get_lines_to_list (),
1027 print_source_lines (sal
.symtab
, sal
.line
,
1029 ? sal
.line
+ get_lines_to_list ()
1030 : sal_end
.line
+ 1),
1034 /* Subroutine of disassemble_command to simplify it.
1035 Perform the disassembly.
1036 NAME is the name of the function if known, or NULL.
1037 [LOW,HIGH) are the range of addresses to disassemble.
1038 MIXED is non-zero to print source with the assembler. */
1041 print_disassembly (struct gdbarch
*gdbarch
, const char *name
,
1042 CORE_ADDR low
, CORE_ADDR high
, int flags
)
1045 if (!tui_is_window_visible (DISASSEM_WIN
))
1048 printf_filtered ("Dump of assembler code ");
1050 printf_filtered ("for function %s:\n", name
);
1052 printf_filtered ("from %s to %s:\n",
1053 paddress (gdbarch
, low
), paddress (gdbarch
, high
));
1055 /* Dump the specified range. */
1056 gdb_disassembly (gdbarch
, current_uiout
, 0, flags
, -1, low
, high
);
1058 printf_filtered ("End of assembler dump.\n");
1059 gdb_flush (gdb_stdout
);
1064 tui_show_assembly (gdbarch
, low
);
1069 /* Subroutine of disassemble_command to simplify it.
1070 Print a disassembly of the current function according to FLAGS. */
1073 disassemble_current_function (int flags
)
1075 struct frame_info
*frame
;
1076 struct gdbarch
*gdbarch
;
1077 CORE_ADDR low
, high
, pc
;
1080 frame
= get_selected_frame (_("No frame selected."));
1081 gdbarch
= get_frame_arch (frame
);
1082 pc
= get_frame_address_in_block (frame
);
1083 if (find_pc_partial_function (pc
, &name
, &low
, &high
) == 0)
1084 error (_("No function contains program counter for selected frame."));
1086 /* NOTE: cagney/2003-02-13 The `tui_active' was previously
1089 /* FIXME: cagney/2004-02-07: This should be an observer. */
1090 low
= tui_get_low_disassembly_address (gdbarch
, low
, pc
);
1092 low
+= gdbarch_deprecated_function_start_offset (gdbarch
);
1094 print_disassembly (gdbarch
, name
, low
, high
, flags
);
1097 /* Dump a specified section of assembly code.
1101 - dump the assembly code for the function of the current pc
1102 disassemble [/mr] addr
1103 - dump the assembly code for the function at ADDR
1104 disassemble [/mr] low,high
1105 disassemble [/mr] low,+length
1106 - dump the assembly code in the range [LOW,HIGH), or [LOW,LOW+length)
1108 A /m modifier will include source code with the assembly.
1109 A /r modifier will include raw instructions in hex with the assembly. */
1112 disassemble_command (char *arg
, int from_tty
)
1114 struct gdbarch
*gdbarch
= get_current_arch ();
1115 CORE_ADDR low
, high
;
1123 if (arg
&& *arg
== '/')
1128 error (_("Missing modifier."));
1130 while (*arg
&& ! isspace (*arg
))
1135 flags
|= DISASSEMBLY_SOURCE
;
1138 flags
|= DISASSEMBLY_RAW_INSN
;
1141 error (_("Invalid disassembly modifier."));
1145 while (isspace (*arg
))
1149 if (! arg
|| ! *arg
)
1151 flags
|= DISASSEMBLY_OMIT_FNAME
;
1152 disassemble_current_function (flags
);
1156 pc
= value_as_address (parse_to_comma_and_eval (&arg
));
1162 if (find_pc_partial_function (pc
, &name
, &low
, &high
) == 0)
1163 error (_("No function contains specified address."));
1165 /* NOTE: cagney/2003-02-13 The `tui_active' was previously
1168 /* FIXME: cagney/2004-02-07: This should be an observer. */
1169 low
= tui_get_low_disassembly_address (gdbarch
, low
, pc
);
1171 low
+= gdbarch_deprecated_function_start_offset (gdbarch
);
1172 flags
|= DISASSEMBLY_OMIT_FNAME
;
1176 /* Two arguments. */
1179 while (isspace (*arg
))
1186 high
= parse_and_eval_address (arg
);
1191 print_disassembly (gdbarch
, name
, low
, high
, flags
);
1195 make_command (char *arg
, int from_tty
)
1203 p
= xmalloc (sizeof ("make ") + strlen (arg
));
1204 strcpy (p
, "make ");
1205 strcpy (p
+ sizeof ("make ") - 1, arg
);
1208 shell_escape (p
, from_tty
);
1212 show_user (char *args
, int from_tty
)
1214 struct cmd_list_element
*c
;
1215 extern struct cmd_list_element
*cmdlist
;
1219 char *comname
= args
;
1221 c
= lookup_cmd (&comname
, cmdlist
, "", 0, 1);
1222 /* c->user_commands would be NULL if it's a python command. */
1223 if (c
->class != class_user
|| !c
->user_commands
)
1224 error (_("Not a user command."));
1225 show_user_1 (c
, "", args
, gdb_stdout
);
1229 for (c
= cmdlist
; c
; c
= c
->next
)
1231 if (c
->class == class_user
|| c
->prefixlist
!= NULL
)
1232 show_user_1 (c
, "", c
->name
, gdb_stdout
);
1237 /* Search through names of commands and documentations for a certain
1238 regular expression. */
1241 apropos_command (char *searchstr
, int from_tty
)
1246 if (searchstr
== NULL
)
1247 error (_("REGEXP string is empty"));
1249 code
= regcomp (&pattern
, searchstr
, REG_ICASE
);
1252 struct cleanup
*cleanups
;
1254 cleanups
= make_regfree_cleanup (&pattern
);
1255 apropos_cmd (gdb_stdout
, cmdlist
, &pattern
, "");
1256 do_cleanups (cleanups
);
1260 char *err
= get_regcomp_error (code
, &pattern
);
1262 make_cleanup (xfree
, err
);
1263 error (_("Error in regular expression: %s"), err
);
1267 /* Subroutine of alias_command to simplify it.
1268 Return the first N elements of ARGV flattened back to a string
1269 with a space separating each element.
1270 ARGV may not be NULL.
1271 This does not take care of quoting elements in case they contain spaces
1275 argv_to_dyn_string (char **argv
, int n
)
1278 dyn_string_t result
= dyn_string_new (10);
1280 gdb_assert (argv
!= NULL
);
1281 gdb_assert (n
>= 0 && n
<= countargv (argv
));
1283 for (i
= 0; i
< n
; ++i
)
1286 dyn_string_append_char (result
, ' ');
1287 dyn_string_append_cstr (result
, argv
[i
]);
1293 /* Subroutine of alias_command to simplify it.
1294 Return TRUE if COMMAND exists, unambiguously. Otherwise FALSE. */
1297 valid_command_p (char *command
)
1299 struct cmd_list_element
*c
;
1301 c
= lookup_cmd_1 (& command
, cmdlist
, NULL
, 1);
1303 if (c
== NULL
|| c
== (struct cmd_list_element
*) -1)
1306 /* This is the slightly tricky part.
1307 lookup_cmd_1 will return a pointer to the last part of COMMAND
1308 to match, leaving COMMAND pointing at the remainder. */
1309 while (*command
== ' ' || *command
== '\t')
1311 return *command
== '\0';
1314 /* Make an alias of an existing command. */
1317 alias_command (char *args
, int from_tty
)
1319 int i
, alias_argc
, command_argc
;
1320 int abbrev_flag
= 0;
1321 char *args2
, *equals
, *alias
, *command
;
1322 char **alias_argv
, **command_argv
;
1323 dyn_string_t alias_dyn_string
, command_dyn_string
;
1324 static const char usage
[] = N_("Usage: alias [-a] [--] ALIAS = COMMAND");
1326 if (args
== NULL
|| strchr (args
, '=') == NULL
)
1329 args2
= xstrdup (args
);
1330 make_cleanup (xfree
, args2
);
1331 equals
= strchr (args2
, '=');
1333 alias_argv
= gdb_buildargv (args2
);
1334 make_cleanup_freeargv (alias_argv
);
1335 command_argv
= gdb_buildargv (equals
+ 1);
1336 make_cleanup_freeargv (command_argv
);
1338 for (i
= 0; alias_argv
[i
] != NULL
; )
1340 if (strcmp (alias_argv
[i
], "-a") == 0)
1345 else if (strcmp (alias_argv
[i
], "--") == 0)
1354 if (alias_argv
[0] == NULL
|| command_argv
[0] == NULL
1355 || *alias_argv
[0] == '\0' || *command_argv
[0] == '\0')
1358 for (i
= 0; alias_argv
[i
] != NULL
; ++i
)
1360 if (! valid_user_defined_cmd_name_p (alias_argv
[i
]))
1363 error (_("Invalid command name: %s"), alias_argv
[i
]);
1365 error (_("Invalid command element name: %s"), alias_argv
[i
]);
1369 alias_argc
= countargv (alias_argv
);
1370 command_argc
= countargv (command_argv
);
1372 /* COMMAND must exist.
1373 Reconstruct the command to remove any extraneous spaces,
1374 for better error messages. */
1375 command_dyn_string
= argv_to_dyn_string (command_argv
, command_argc
);
1376 make_cleanup_dyn_string_delete (command_dyn_string
);
1377 command
= dyn_string_buf (command_dyn_string
);
1378 if (! valid_command_p (command
))
1379 error (_("Invalid command to alias to: %s"), command
);
1381 /* ALIAS must not exist. */
1382 alias_dyn_string
= argv_to_dyn_string (alias_argv
, alias_argc
);
1383 make_cleanup_dyn_string_delete (alias_dyn_string
);
1384 alias
= dyn_string_buf (alias_dyn_string
);
1385 if (valid_command_p (alias
))
1386 error (_("Alias already exists: %s"), alias
);
1388 /* If ALIAS is one word, it is an alias for the entire COMMAND.
1389 Example: alias spe = set print elements
1391 Otherwise ALIAS and COMMAND must have the same number of words,
1392 and every word except the last must match; and the last word of
1393 ALIAS is made an alias of the last word of COMMAND.
1394 Example: alias set print elms = set pr elem
1395 Note that unambiguous abbreviations are allowed. */
1397 if (alias_argc
== 1)
1399 /* add_cmd requires *we* allocate space for name, hence the xstrdup. */
1400 add_com_alias (xstrdup (alias_argv
[0]), command
, class_alias
,
1405 dyn_string_t alias_prefix_dyn_string
, command_prefix_dyn_string
;
1406 char *alias_prefix
, *command_prefix
;
1407 struct cmd_list_element
*c_alias
, *c_command
;
1409 if (alias_argc
!= command_argc
)
1410 error (_("Mismatched command length between ALIAS and COMMAND."));
1412 /* Create copies of ALIAS and COMMAND without the last word,
1413 and use that to verify the leading elements match. */
1414 alias_prefix_dyn_string
=
1415 argv_to_dyn_string (alias_argv
, alias_argc
- 1);
1416 make_cleanup_dyn_string_delete (alias_prefix_dyn_string
);
1417 command_prefix_dyn_string
=
1418 argv_to_dyn_string (alias_argv
, command_argc
- 1);
1419 make_cleanup_dyn_string_delete (command_prefix_dyn_string
);
1420 alias_prefix
= dyn_string_buf (alias_prefix_dyn_string
);
1421 command_prefix
= dyn_string_buf (command_prefix_dyn_string
);
1423 c_command
= lookup_cmd_1 (& command_prefix
, cmdlist
, NULL
, 1);
1424 /* We've already tried to look up COMMAND. */
1425 gdb_assert (c_command
!= NULL
1426 && c_command
!= (struct cmd_list_element
*) -1);
1427 gdb_assert (c_command
->prefixlist
!= NULL
);
1428 c_alias
= lookup_cmd_1 (& alias_prefix
, cmdlist
, NULL
, 1);
1429 if (c_alias
!= c_command
)
1430 error (_("ALIAS and COMMAND prefixes do not match."));
1432 /* add_cmd requires *we* allocate space for name, hence the xstrdup. */
1433 add_alias_cmd (xstrdup (alias_argv
[alias_argc
- 1]),
1434 command_argv
[command_argc
- 1],
1435 class_alias
, abbrev_flag
, c_command
->prefixlist
);
1439 /* Print a list of files and line numbers which a user may choose from
1440 in order to list a function which was specified ambiguously (as
1441 with `list classname::overloadedfuncname', for example). The
1442 vector in SALS provides the filenames and line numbers. */
1445 ambiguous_line_spec (struct symtabs_and_lines
*sals
)
1449 for (i
= 0; i
< sals
->nelts
; ++i
)
1450 printf_filtered (_("file: \"%s\", line number: %d\n"),
1451 sals
->sals
[i
].symtab
->filename
, sals
->sals
[i
].line
);
1454 /* Sort function for filter_sals. */
1457 compare_symtabs (const void *a
, const void *b
)
1459 const struct symtab_and_line
*sala
= a
;
1460 const struct symtab_and_line
*salb
= b
;
1463 if (!sala
->symtab
->dirname
)
1465 if (salb
->symtab
->dirname
)
1468 else if (!salb
->symtab
->dirname
)
1470 if (sala
->symtab
->dirname
)
1475 r
= filename_cmp (sala
->symtab
->dirname
, salb
->symtab
->dirname
);
1480 r
= filename_cmp (sala
->symtab
->filename
, salb
->symtab
->filename
);
1484 if (sala
->line
< salb
->line
)
1486 return sala
->line
== salb
->line
? 0 : 1;
1489 /* Remove any SALs that do not match the current program space, or
1490 which appear to be "file:line" duplicates. */
1493 filter_sals (struct symtabs_and_lines
*sals
)
1498 for (i
= 0; i
< sals
->nelts
; ++i
)
1500 if (sals
->sals
[i
].pspace
== current_program_space
1501 && sals
->sals
[i
].symtab
!= NULL
)
1503 sals
->sals
[out
] = sals
->sals
[i
];
1509 qsort (sals
->sals
, sals
->nelts
, sizeof (struct symtab_and_line
),
1514 for (i
= 1; i
< sals
->nelts
; ++i
)
1516 if (compare_symtabs (&sals
->sals
[prev
], &sals
->sals
[i
]))
1518 /* Symtabs differ. */
1519 sals
->sals
[out
] = sals
->sals
[i
];
1525 if (sals
->nelts
== 0)
1535 set_debug (char *arg
, int from_tty
)
1537 printf_unfiltered (_("\"set debug\" must be followed by "
1538 "the name of a debug subcommand.\n"));
1539 help_list (setdebuglist
, "set debug ", -1, gdb_stdout
);
1543 show_debug (char *args
, int from_tty
)
1545 cmd_show_list (showdebuglist
, from_tty
, "");
1549 init_cmd_lists (void)
1551 max_user_call_depth
= 1024;
1565 showhistlist
= NULL
;
1566 unsethistlist
= NULL
;
1567 maintenancelist
= NULL
;
1568 maintenanceinfolist
= NULL
;
1569 maintenanceprintlist
= NULL
;
1570 setprintlist
= NULL
;
1571 showprintlist
= NULL
;
1572 setchecklist
= NULL
;
1573 showchecklist
= NULL
;
1577 show_info_verbose (struct ui_file
*file
, int from_tty
,
1578 struct cmd_list_element
*c
,
1582 fprintf_filtered (file
,
1583 _("Verbose printing of informational messages is %s.\n"),
1586 fprintf_filtered (file
, _("Verbosity is %s.\n"), value
);
1590 show_history_expansion_p (struct ui_file
*file
, int from_tty
,
1591 struct cmd_list_element
*c
, const char *value
)
1593 fprintf_filtered (file
, _("History expansion on command input is %s.\n"),
1598 show_baud_rate (struct ui_file
*file
, int from_tty
,
1599 struct cmd_list_element
*c
, const char *value
)
1601 fprintf_filtered (file
, _("Baud rate for remote serial I/O is %s.\n"),
1606 show_remote_debug (struct ui_file
*file
, int from_tty
,
1607 struct cmd_list_element
*c
, const char *value
)
1609 fprintf_filtered (file
, _("Debugging of remote protocol is %s.\n"),
1614 show_remote_timeout (struct ui_file
*file
, int from_tty
,
1615 struct cmd_list_element
*c
, const char *value
)
1617 fprintf_filtered (file
,
1618 _("Timeout limit to wait for target to respond is %s.\n"),
1623 show_max_user_call_depth (struct ui_file
*file
, int from_tty
,
1624 struct cmd_list_element
*c
, const char *value
)
1626 fprintf_filtered (file
,
1627 _("The max call depth for user-defined commands is %s.\n"),
1633 initialize_file_ftype _initialize_cli_cmds
;
1636 _initialize_cli_cmds (void)
1638 struct cmd_list_element
*c
;
1640 /* Define the classes of commands.
1641 They will appear in the help list in alphabetical order. */
1643 add_cmd ("internals", class_maintenance
, NULL
, _("\
1644 Maintenance commands.\n\
1645 Some gdb commands are provided just for use by gdb maintainers.\n\
1646 These commands are subject to frequent change, and may not be as\n\
1647 well documented as user commands."),
1649 add_cmd ("obscure", class_obscure
, NULL
, _("Obscure features."), &cmdlist
);
1650 add_cmd ("aliases", class_alias
, NULL
,
1651 _("Aliases of other commands."), &cmdlist
);
1652 add_cmd ("user-defined", class_user
, NULL
, _("\
1653 User-defined commands.\n\
1654 The commands in this class are those defined by the user.\n\
1655 Use the \"define\" command to define a command."), &cmdlist
);
1656 add_cmd ("support", class_support
, NULL
, _("Support facilities."), &cmdlist
);
1658 add_cmd ("status", class_info
, NULL
, _("Status inquiries."), &cmdlist
);
1659 add_cmd ("files", class_files
, NULL
, _("Specifying and examining files."),
1661 add_cmd ("breakpoints", class_breakpoint
, NULL
,
1662 _("Making program stop at certain points."), &cmdlist
);
1663 add_cmd ("data", class_vars
, NULL
, _("Examining data."), &cmdlist
);
1664 add_cmd ("stack", class_stack
, NULL
, _("\
1665 Examining the stack.\n\
1666 The stack is made up of stack frames. Gdb assigns numbers to stack frames\n\
1667 counting from zero for the innermost (currently executing) frame.\n\n\
1668 At any time gdb identifies one frame as the \"selected\" frame.\n\
1669 Variable lookups are done with respect to the selected frame.\n\
1670 When the program being debugged stops, gdb selects the innermost frame.\n\
1671 The commands below can be used to select other frames by number or address."),
1673 add_cmd ("running", class_run
, NULL
, _("Running the program."), &cmdlist
);
1675 /* Define general commands. */
1677 add_com ("pwd", class_files
, pwd_command
, _("\
1678 Print working directory. This is used for your program as well."));
1680 c
= add_cmd ("cd", class_files
, cd_command
, _("\
1681 Set working directory to DIR for debugger and program being debugged.\n\
1682 The change does not take effect for the program being debugged\n\
1683 until the next time it is started."), &cmdlist
);
1684 set_cmd_completer (c
, filename_completer
);
1686 add_com ("echo", class_support
, echo_command
, _("\
1687 Print a constant string. Give string as argument.\n\
1688 C escape sequences may be used in the argument.\n\
1689 No newline is added at the end of the argument;\n\
1690 use \"\\n\" if you want a newline to be printed.\n\
1691 Since leading and trailing whitespace are ignored in command arguments,\n\
1692 if you want to print some you must use \"\\\" before leading whitespace\n\
1693 to be printed or after trailing whitespace."));
1695 add_setshow_enum_cmd ("script-extension", class_support
,
1696 script_ext_enums
, &script_ext_mode
, _("\
1697 Set mode for script filename extension recognition."), _("\
1698 Show mode for script filename extension recognition."), _("\
1699 off == no filename extension recognition (all sourced files are GDB scripts)\n\
1700 soft == evaluate script according to filename extension, fallback to GDB script"
1702 strict == evaluate script according to filename extension, error if not supported"
1705 show_script_ext_mode
,
1706 &setlist
, &showlist
);
1708 add_com ("quit", class_support
, quit_command
, _("Exit gdb."));
1709 c
= add_com ("help", class_support
, help_command
,
1710 _("Print list of commands."));
1711 set_cmd_completer (c
, command_completer
);
1712 add_com_alias ("q", "quit", class_support
, 1);
1713 add_com_alias ("h", "help", class_support
, 1);
1715 add_setshow_boolean_cmd ("verbose", class_support
, &info_verbose
, _("\
1716 Set verbosity."), _("\
1717 Show verbosity."), NULL
,
1720 &setlist
, &showlist
);
1722 add_prefix_cmd ("history", class_support
, set_history
,
1723 _("Generic command for setting command history parameters."),
1724 &sethistlist
, "set history ", 0, &setlist
);
1725 add_prefix_cmd ("history", class_support
, show_history
,
1726 _("Generic command for showing command history parameters."),
1727 &showhistlist
, "show history ", 0, &showlist
);
1729 add_setshow_boolean_cmd ("expansion", no_class
, &history_expansion_p
, _("\
1730 Set history expansion on command input."), _("\
1731 Show history expansion on command input."), _("\
1732 Without an argument, history expansion is enabled."),
1734 show_history_expansion_p
,
1735 &sethistlist
, &showhistlist
);
1737 add_prefix_cmd ("info", class_info
, info_command
, _("\
1738 Generic command for showing things about the program being debugged."),
1739 &infolist
, "info ", 0, &cmdlist
);
1740 add_com_alias ("i", "info", class_info
, 1);
1741 add_com_alias ("inf", "info", class_info
, 1);
1743 add_com ("complete", class_obscure
, complete_command
,
1744 _("List the completions for the rest of the line as a command."));
1746 add_prefix_cmd ("show", class_info
, show_command
, _("\
1747 Generic command for showing things about the debugger."),
1748 &showlist
, "show ", 0, &cmdlist
);
1749 /* Another way to get at the same thing. */
1750 add_info ("set", show_command
, _("Show all GDB settings."));
1752 add_cmd ("commands", no_set_class
, show_commands
, _("\
1753 Show the history of commands you typed.\n\
1754 You can supply a command number to start with, or a `+' to start after\n\
1755 the previous command number shown."),
1758 add_cmd ("version", no_set_class
, show_version
,
1759 _("Show what version of GDB this is."), &showlist
);
1761 /* If target is open when baud changes, it doesn't take effect until
1762 the next open (I think, not sure). */
1763 add_setshow_zinteger_cmd ("remotebaud", no_class
, &baud_rate
, _("\
1764 Set baud rate for remote serial I/O."), _("\
1765 Show baud rate for remote serial I/O."), _("\
1766 This value is used to set the speed of the serial port when debugging\n\
1767 using remote targets."),
1770 &setlist
, &showlist
);
1772 add_setshow_zinteger_cmd ("remote", no_class
, &remote_debug
, _("\
1773 Set debugging of remote protocol."), _("\
1774 Show debugging of remote protocol."), _("\
1775 When enabled, each packet sent or received with the remote target\n\
1779 &setdebuglist
, &showdebuglist
);
1781 add_setshow_zuinteger_unlimited_cmd ("remotetimeout", no_class
,
1782 &remote_timeout
, _("\
1783 Set timeout limit to wait for target to respond."), _("\
1784 Show timeout limit to wait for target to respond."), _("\
1785 This value is used to set the time limit for gdb to wait for a response\n\
1788 show_remote_timeout
,
1789 &setlist
, &showlist
);
1791 add_prefix_cmd ("debug", no_class
, set_debug
,
1792 _("Generic command for setting gdb debugging flags"),
1793 &setdebuglist
, "set debug ", 0, &setlist
);
1795 add_prefix_cmd ("debug", no_class
, show_debug
,
1796 _("Generic command for showing gdb debugging flags"),
1797 &showdebuglist
, "show debug ", 0, &showlist
);
1799 c
= add_com ("shell", class_support
, shell_escape
, _("\
1800 Execute the rest of the line as a shell command.\n\
1801 With no arguments, run an inferior shell."));
1802 set_cmd_completer (c
, filename_completer
);
1804 c
= add_com ("edit", class_files
, edit_command
, _("\
1805 Edit specified file or function.\n\
1806 With no argument, edits file containing most recent line listed.\n\
1807 Editing targets can be specified in these ways:\n\
1808 FILE:LINENUM, to edit at that line in that file,\n\
1809 FUNCTION, to edit at the beginning of that function,\n\
1810 FILE:FUNCTION, to distinguish among like-named static functions.\n\
1811 *ADDRESS, to edit at the line containing that address.\n\
1812 Uses EDITOR environment variable contents as editor (or ex as default)."));
1814 c
->completer
= location_completer
;
1816 add_com ("list", class_files
, list_command
, _("\
1817 List specified function or line.\n\
1818 With no argument, lists ten more lines after or around previous listing.\n\
1819 \"list -\" lists the ten lines before a previous ten-line listing.\n\
1820 One argument specifies a line, and ten lines are listed around that line.\n\
1821 Two arguments with comma between specify starting and ending lines to list.\n\
1822 Lines can be specified in these ways:\n\
1823 LINENUM, to list around that line in current file,\n\
1824 FILE:LINENUM, to list around that line in that file,\n\
1825 FUNCTION, to list around beginning of that function,\n\
1826 FILE:FUNCTION, to distinguish among like-named static functions.\n\
1827 *ADDRESS, to list around the line containing that address.\n\
1828 With two args if one is empty it stands for ten lines away from \
1832 add_com_alias ("l", "list", class_files
, 1);
1834 add_com_alias ("v", "list", class_files
, 1);
1837 add_com_alias ("file", "list", class_files
, 1);
1839 c
= add_com ("disassemble", class_vars
, disassemble_command
, _("\
1840 Disassemble a specified section of memory.\n\
1841 Default is the function surrounding the pc of the selected frame.\n\
1842 With a /m modifier, source lines are included (if available).\n\
1843 With a /r modifier, raw instructions in hex are included.\n\
1844 With a single argument, the function surrounding that address is dumped.\n\
1845 Two arguments (separated by a comma) are taken as a range of memory to dump,\n\
1846 in the form of \"start,end\", or \"start,+length\"."));
1847 set_cmd_completer (c
, location_completer
);
1849 add_com_alias ("va", "disassemble", class_xdb
, 0);
1851 add_com_alias ("!", "shell", class_support
, 0);
1853 c
= add_com ("make", class_support
, make_command
, _("\
1854 Run the ``make'' program using the rest of the line as arguments."));
1855 set_cmd_completer (c
, filename_completer
);
1856 add_cmd ("user", no_class
, show_user
, _("\
1857 Show definitions of non-python user defined commands.\n\
1858 Argument is the name of the user defined command.\n\
1859 With no argument, show definitions of all user defined commands."), &showlist
);
1860 add_com ("apropos", class_support
, apropos_command
,
1861 _("Search for commands matching a REGEXP"));
1863 add_setshow_uinteger_cmd ("max-user-call-depth", no_class
,
1864 &max_user_call_depth
, _("\
1865 Set the max call depth for non-python user-defined commands."), _("\
1866 Show the max call depth for non-python user-defined commands."), NULL
,
1868 show_max_user_call_depth
,
1869 &setlist
, &showlist
);
1871 add_setshow_boolean_cmd ("trace-commands", no_class
, &trace_commands
, _("\
1872 Set tracing of GDB CLI commands."), _("\
1873 Show state of GDB CLI command tracing."), _("\
1874 When 'on', each command is displayed as it is executed."),
1877 &setlist
, &showlist
);
1879 c
= add_com ("alias", class_support
, alias_command
, _("\
1880 Define a new command that is an alias of an existing command.\n\
1881 Usage: alias [-a] [--] ALIAS = COMMAND\n\
1882 ALIAS is the name of the alias command to create.\n\
1883 COMMAND is the command being aliased to.\n\
1884 If \"-a\" is specified, the command is an abbreviation,\n\
1885 and will not appear in help command list output.\n\
1888 Make \"spe\" an alias of \"set print elements\":\n\
1889 alias spe = set print elements\n\
1890 Make \"elms\" an alias of \"elements\" in the \"set print\" command:\n\
1891 alias -a set print elms = set print elements"));
1895 init_cli_cmds (void)
1897 struct cmd_list_element
*c
;
1898 char *source_help_text
;
1900 source_help_text
= xstrprintf (_("\
1901 Read commands from a file named FILE.\n\
1903 Usage: source [-s] [-v] FILE\n\
1904 -s: search for the script in the source search path,\n\
1905 even if FILE contains directories.\n\
1906 -v: each command in FILE is echoed as it is executed.\n\
1908 Note that the file \"%s\" is read automatically in this way\n\
1909 when GDB is started."), gdbinit
);
1910 c
= add_cmd ("source", class_support
, source_command
,
1911 source_help_text
, &cmdlist
);
1912 set_cmd_completer (c
, filename_completer
);