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. */
469 find_and_open_script (const char *script_file
, int search_path
,
470 FILE **streamp
, char **full_pathp
)
474 struct cleanup
*old_cleanups
;
475 int search_flags
= OPF_TRY_CWD_FIRST
;
477 file
= tilde_expand (script_file
);
478 old_cleanups
= make_cleanup (xfree
, file
);
481 search_flags
|= OPF_SEARCH_IN_PATH
;
483 /* Search for and open 'file' on the search path used for source
484 files. Put the full location in *FULL_PATHP. */
485 fd
= openp (source_path
, search_flags
,
486 file
, O_RDONLY
, full_pathp
);
490 int save_errno
= errno
;
491 do_cleanups (old_cleanups
);
496 do_cleanups (old_cleanups
);
498 *streamp
= fdopen (fd
, FOPEN_RT
);
499 if (*streamp
== NULL
)
501 int save_errno
= errno
;
513 /* Load script FILE, which has already been opened as STREAM. */
516 source_script_from_stream (FILE *stream
, const char *file
)
518 if (script_ext_mode
!= script_ext_off
519 && strlen (file
) > 3 && !strcmp (&file
[strlen (file
) - 3], ".py"))
521 volatile struct gdb_exception e
;
523 TRY_CATCH (e
, RETURN_MASK_ERROR
)
525 source_python_script (stream
, file
);
529 /* Should we fallback to ye olde GDB script mode? */
530 if (script_ext_mode
== script_ext_soft
531 && e
.reason
== RETURN_ERROR
&& e
.error
== UNSUPPORTED_ERROR
)
533 fseek (stream
, 0, SEEK_SET
);
534 script_from_file (stream
, (char*) file
);
538 /* Nope, just punt. */
544 script_from_file (stream
, file
);
547 /* Worker to perform the "source" command.
549 If SEARCH_PATH is non-zero, and the file isn't found in cwd,
550 search for it in the source search path. */
553 source_script_with_search (const char *file
, int from_tty
, int search_path
)
557 struct cleanup
*old_cleanups
;
559 if (file
== NULL
|| *file
== 0)
560 error (_("source command requires file name of file to source."));
562 if (!find_and_open_script (file
, search_path
, &stream
, &full_path
))
564 /* The script wasn't found, or was otherwise inaccessible.
565 If the source command was invoked interactively, throw an
566 error. Otherwise (e.g. if it was invoked by a script),
567 silently ignore the error. */
569 perror_with_name (file
);
574 old_cleanups
= make_cleanup (xfree
, full_path
);
575 make_cleanup_fclose (stream
);
576 /* The python support reopens the file, so we need to pass full_path here
577 in case the file was found on the search path. It's useful to do this
578 anyway so that error messages show the actual file used. But only do
579 this if we (may have) used search_path, as printing the full path in
580 errors for the non-search case can be more noise than signal. */
581 source_script_from_stream (stream
, search_path
? full_path
: file
);
582 do_cleanups (old_cleanups
);
585 /* Wrapper around source_script_with_search to export it to main.c
586 for use in loading .gdbinit scripts. */
589 source_script (char *file
, int from_tty
)
591 source_script_with_search (file
, from_tty
, 0);
594 /* Return the source_verbose global variable to its previous state
595 on exit from the source command, by whatever means. */
597 source_verbose_cleanup (void *old_value
)
599 source_verbose
= *(int *)old_value
;
604 source_command (char *args
, int from_tty
)
606 struct cleanup
*old_cleanups
;
608 int *old_source_verbose
= xmalloc (sizeof(int));
611 *old_source_verbose
= source_verbose
;
612 old_cleanups
= make_cleanup (source_verbose_cleanup
,
615 /* -v causes the source command to run in verbose mode.
616 -s causes the file to be searched in the source search path,
617 even if the file name contains a '/'.
618 We still have to be able to handle filenames with spaces in a
619 backward compatible way, so buildargv is not appropriate. */
623 while (args
[0] != '\0')
625 /* Make sure leading white space does not break the
627 while (isspace(args
[0]))
633 if (args
[1] == 'v' && isspace (args
[2]))
637 /* Skip passed -v. */
640 else if (args
[1] == 's' && isspace (args
[2]))
644 /* Skip passed -s. */
651 while (isspace (args
[0]))
656 source_script_with_search (file
, from_tty
, search_path
);
658 do_cleanups (old_cleanups
);
663 echo_command (char *text
, int from_tty
)
669 while ((c
= *p
++) != '\0')
673 /* \ at end of argument is used after spaces
674 so they won't be lost. */
678 c
= parse_escape (get_current_arch (), &p
);
680 printf_filtered ("%c", c
);
683 printf_filtered ("%c", c
);
686 /* Force this output to appear now. */
688 gdb_flush (gdb_stdout
);
692 shell_escape (char *arg
, int from_tty
)
694 #if defined(CANT_FORK) || \
695 (!defined(HAVE_WORKING_VFORK) && !defined(HAVE_WORKING_FORK))
696 /* If ARG is NULL, they want an inferior shell, but `system' just
697 reports if the shell is available when passed a NULL arg. */
698 int rc
= system (arg
? arg
: "");
701 arg
= "inferior shell";
705 fprintf_unfiltered (gdb_stderr
, "Cannot execute %s: %s\n", arg
,
706 safe_strerror (errno
));
707 gdb_flush (gdb_stderr
);
711 fprintf_unfiltered (gdb_stderr
, "%s exited with status %d\n", arg
, rc
);
712 gdb_flush (gdb_stderr
);
715 /* Make sure to return to the directory GDB thinks it is, in case
716 the shell command we just ran changed it. */
717 chdir (current_directory
);
719 #else /* Can fork. */
722 if ((pid
= vfork ()) == 0)
724 const char *p
, *user_shell
;
726 if ((user_shell
= (char *) getenv ("SHELL")) == NULL
)
727 user_shell
= "/bin/sh";
729 /* Get the name of the shell for arg0. */
730 p
= lbasename (user_shell
);
733 execl (user_shell
, p
, (char *) 0);
735 execl (user_shell
, p
, "-c", arg
, (char *) 0);
737 fprintf_unfiltered (gdb_stderr
, "Cannot execute %s: %s\n", user_shell
,
738 safe_strerror (errno
));
739 gdb_flush (gdb_stderr
);
744 waitpid (pid
, &status
, 0);
746 error (_("Fork failed"));
747 #endif /* Can fork. */
751 edit_command (char *arg
, int from_tty
)
753 struct symtabs_and_lines sals
;
754 struct symtab_and_line sal
;
761 /* Pull in the current default source line if necessary. */
764 set_default_source_symtab_and_line ();
765 sal
= get_current_source_symtab_and_line ();
768 /* Bare "edit" edits file with present line. */
773 error (_("No default source file yet."));
774 sal
.line
+= get_lines_to_list () / 2;
778 /* Now should only be one argument -- decode it in SAL. */
781 sals
= decode_line_1 (&arg1
, DECODE_LINE_LIST_MODE
, 0, 0);
791 ambiguous_line_spec (&sals
);
800 error (_("Junk at end of line specification."));
802 /* If line was specified by address, first print exactly which
803 line, and which file. In this case, sal.symtab == 0 means
804 address is outside of all known source files, not that user
805 failed to give a filename. */
808 struct gdbarch
*gdbarch
;
811 /* FIXME-32x64--assumes sal.pc fits in long. */
812 error (_("No source file for address %s."),
813 hex_string ((unsigned long) sal
.pc
));
815 gdbarch
= get_objfile_arch (sal
.symtab
->objfile
);
816 sym
= find_pc_function (sal
.pc
);
818 printf_filtered ("%s is in %s (%s:%d).\n",
819 paddress (gdbarch
, sal
.pc
),
820 SYMBOL_PRINT_NAME (sym
),
821 sal
.symtab
->filename
, sal
.line
);
823 printf_filtered ("%s is at %s:%d.\n",
824 paddress (gdbarch
, sal
.pc
),
825 sal
.symtab
->filename
, sal
.line
);
828 /* If what was given does not imply a symtab, it must be an
829 undebuggable symbol which means no source code. */
832 error (_("No line number known for %s."), arg
);
835 if ((editor
= (char *) getenv ("EDITOR")) == NULL
)
838 fn
= symtab_to_fullname (sal
.symtab
);
840 /* Quote the file name, in case it has whitespace or other special
842 p
= xstrprintf ("%s +%d \"%s\"", editor
, sal
.line
, fn
);
843 shell_escape (p
, from_tty
);
848 list_command (char *arg
, int from_tty
)
850 struct symtabs_and_lines sals
, sals_end
;
851 struct symtab_and_line sal
= { 0 };
852 struct symtab_and_line sal_end
= { 0 };
853 struct symtab_and_line cursal
= { 0 };
862 /* Pull in the current default source line if necessary. */
863 if (arg
== 0 || arg
[0] == '+' || arg
[0] == '-')
865 set_default_source_symtab_and_line ();
866 cursal
= get_current_source_symtab_and_line ();
869 /* "l" or "l +" lists next ten lines. */
871 if (arg
== 0 || strcmp (arg
, "+") == 0)
873 print_source_lines (cursal
.symtab
, cursal
.line
,
874 cursal
.line
+ get_lines_to_list (), 0);
878 /* "l -" lists previous ten lines, the ones before the ten just
880 if (strcmp (arg
, "-") == 0)
882 print_source_lines (cursal
.symtab
,
883 max (get_first_line_listed ()
884 - get_lines_to_list (), 1),
885 get_first_line_listed (), 0);
889 /* Now if there is only one argument, decode it in SAL
891 If there are two arguments, decode them in SAL and SAL_END
892 and clear NO_END; however, if one of the arguments is blank,
893 set DUMMY_BEG or DUMMY_END to record that fact. */
895 if (!have_full_symbols () && !have_partial_symbols ())
896 error (_("No symbol table is loaded. Use the \"file\" command."));
903 sals
= decode_line_1 (&arg1
, DECODE_LINE_LIST_MODE
, 0, 0);
910 ambiguous_line_spec (&sals
);
919 /* Record whether the BEG arg is all digits. */
921 for (p
= arg
; p
!= arg1
&& *p
>= '0' && *p
<= '9'; p
++);
922 linenum_beg
= (p
== arg1
);
924 while (*arg1
== ' ' || *arg1
== '\t')
930 while (*arg1
== ' ' || *arg1
== '\t')
937 sals_end
= decode_line_1 (&arg1
, DECODE_LINE_LIST_MODE
, 0, 0);
939 sals_end
= decode_line_1 (&arg1
, DECODE_LINE_LIST_MODE
,
940 sal
.symtab
, sal
.line
);
941 filter_sals (&sals_end
);
942 if (sals_end
.nelts
== 0)
944 if (sals_end
.nelts
> 1)
946 ambiguous_line_spec (&sals_end
);
947 xfree (sals_end
.sals
);
950 sal_end
= sals_end
.sals
[0];
951 xfree (sals_end
.sals
);
956 error (_("Junk at end of line specification."));
958 if (!no_end
&& !dummy_beg
&& !dummy_end
959 && sal
.symtab
!= sal_end
.symtab
)
960 error (_("Specified start and end are in different files."));
961 if (dummy_beg
&& dummy_end
)
962 error (_("Two empty args do not say what lines to list."));
964 /* If line was specified by address,
965 first print exactly which line, and which file.
967 In this case, sal.symtab == 0 means address is outside of all
968 known source files, not that user failed to give a filename. */
971 struct gdbarch
*gdbarch
;
974 /* FIXME-32x64--assumes sal.pc fits in long. */
975 error (_("No source file for address %s."),
976 hex_string ((unsigned long) sal
.pc
));
978 gdbarch
= get_objfile_arch (sal
.symtab
->objfile
);
979 sym
= find_pc_function (sal
.pc
);
981 printf_filtered ("%s is in %s (%s:%d).\n",
982 paddress (gdbarch
, sal
.pc
),
983 SYMBOL_PRINT_NAME (sym
),
984 sal
.symtab
->filename
, sal
.line
);
986 printf_filtered ("%s is at %s:%d.\n",
987 paddress (gdbarch
, sal
.pc
),
988 sal
.symtab
->filename
, sal
.line
);
991 /* If line was not specified by just a line number, and it does not
992 imply a symtab, it must be an undebuggable symbol which means no
995 if (!linenum_beg
&& sal
.symtab
== 0)
996 error (_("No line number known for %s."), arg
);
998 /* If this command is repeated with RET,
999 turn it into the no-arg variant. */
1004 if (dummy_beg
&& sal_end
.symtab
== 0)
1005 error (_("No default source file yet. Do \"help list\"."));
1007 print_source_lines (sal_end
.symtab
,
1008 max (sal_end
.line
- (get_lines_to_list () - 1), 1),
1009 sal_end
.line
+ 1, 0);
1010 else if (sal
.symtab
== 0)
1011 error (_("No default source file yet. Do \"help list\"."));
1014 int first_line
= sal
.line
- get_lines_to_list () / 2;
1016 if (first_line
< 1) first_line
= 1;
1018 print_source_lines (sal
.symtab
,
1020 first_line
+ get_lines_to_list (),
1024 print_source_lines (sal
.symtab
, sal
.line
,
1026 ? sal
.line
+ get_lines_to_list ()
1027 : sal_end
.line
+ 1),
1031 /* Subroutine of disassemble_command to simplify it.
1032 Perform the disassembly.
1033 NAME is the name of the function if known, or NULL.
1034 [LOW,HIGH) are the range of addresses to disassemble.
1035 MIXED is non-zero to print source with the assembler. */
1038 print_disassembly (struct gdbarch
*gdbarch
, const char *name
,
1039 CORE_ADDR low
, CORE_ADDR high
, int flags
)
1042 if (!tui_is_window_visible (DISASSEM_WIN
))
1045 printf_filtered ("Dump of assembler code ");
1047 printf_filtered ("for function %s:\n", name
);
1049 printf_filtered ("from %s to %s:\n",
1050 paddress (gdbarch
, low
), paddress (gdbarch
, high
));
1052 /* Dump the specified range. */
1053 gdb_disassembly (gdbarch
, current_uiout
, 0, flags
, -1, low
, high
);
1055 printf_filtered ("End of assembler dump.\n");
1056 gdb_flush (gdb_stdout
);
1061 tui_show_assembly (gdbarch
, low
);
1066 /* Subroutine of disassemble_command to simplify it.
1067 Print a disassembly of the current function according to FLAGS. */
1070 disassemble_current_function (int flags
)
1072 struct frame_info
*frame
;
1073 struct gdbarch
*gdbarch
;
1074 CORE_ADDR low
, high
, pc
;
1077 frame
= get_selected_frame (_("No frame selected."));
1078 gdbarch
= get_frame_arch (frame
);
1079 pc
= get_frame_address_in_block (frame
);
1080 if (find_pc_partial_function (pc
, &name
, &low
, &high
) == 0)
1081 error (_("No function contains program counter for selected frame."));
1083 /* NOTE: cagney/2003-02-13 The `tui_active' was previously
1086 /* FIXME: cagney/2004-02-07: This should be an observer. */
1087 low
= tui_get_low_disassembly_address (gdbarch
, low
, pc
);
1089 low
+= gdbarch_deprecated_function_start_offset (gdbarch
);
1091 print_disassembly (gdbarch
, name
, low
, high
, flags
);
1094 /* Dump a specified section of assembly code.
1098 - dump the assembly code for the function of the current pc
1099 disassemble [/mr] addr
1100 - dump the assembly code for the function at ADDR
1101 disassemble [/mr] low,high
1102 disassemble [/mr] low,+length
1103 - dump the assembly code in the range [LOW,HIGH), or [LOW,LOW+length)
1105 A /m modifier will include source code with the assembly.
1106 A /r modifier will include raw instructions in hex with the assembly. */
1109 disassemble_command (char *arg
, int from_tty
)
1111 struct gdbarch
*gdbarch
= get_current_arch ();
1112 CORE_ADDR low
, high
;
1120 if (arg
&& *arg
== '/')
1125 error (_("Missing modifier."));
1127 while (*arg
&& ! isspace (*arg
))
1132 flags
|= DISASSEMBLY_SOURCE
;
1135 flags
|= DISASSEMBLY_RAW_INSN
;
1138 error (_("Invalid disassembly modifier."));
1142 while (isspace (*arg
))
1146 if (! arg
|| ! *arg
)
1148 flags
|= DISASSEMBLY_OMIT_FNAME
;
1149 disassemble_current_function (flags
);
1153 pc
= value_as_address (parse_to_comma_and_eval (&arg
));
1159 if (find_pc_partial_function (pc
, &name
, &low
, &high
) == 0)
1160 error (_("No function contains specified address."));
1162 /* NOTE: cagney/2003-02-13 The `tui_active' was previously
1165 /* FIXME: cagney/2004-02-07: This should be an observer. */
1166 low
= tui_get_low_disassembly_address (gdbarch
, low
, pc
);
1168 low
+= gdbarch_deprecated_function_start_offset (gdbarch
);
1169 flags
|= DISASSEMBLY_OMIT_FNAME
;
1173 /* Two arguments. */
1176 while (isspace (*arg
))
1183 high
= parse_and_eval_address (arg
);
1188 print_disassembly (gdbarch
, name
, low
, high
, flags
);
1192 make_command (char *arg
, int from_tty
)
1200 p
= xmalloc (sizeof ("make ") + strlen (arg
));
1201 strcpy (p
, "make ");
1202 strcpy (p
+ sizeof ("make ") - 1, arg
);
1205 shell_escape (p
, from_tty
);
1209 show_user (char *args
, int from_tty
)
1211 struct cmd_list_element
*c
;
1212 extern struct cmd_list_element
*cmdlist
;
1216 char *comname
= args
;
1218 c
= lookup_cmd (&comname
, cmdlist
, "", 0, 1);
1219 /* c->user_commands would be NULL if it's a python command. */
1220 if (c
->class != class_user
|| !c
->user_commands
)
1221 error (_("Not a user command."));
1222 show_user_1 (c
, "", args
, gdb_stdout
);
1226 for (c
= cmdlist
; c
; c
= c
->next
)
1228 if (c
->class == class_user
|| c
->prefixlist
!= NULL
)
1229 show_user_1 (c
, "", c
->name
, gdb_stdout
);
1234 /* Search through names of commands and documentations for a certain
1235 regular expression. */
1238 apropos_command (char *searchstr
, int from_tty
)
1243 if (searchstr
== NULL
)
1244 error (_("REGEXP string is empty"));
1246 code
= regcomp (&pattern
, searchstr
, REG_ICASE
);
1249 struct cleanup
*cleanups
;
1251 cleanups
= make_regfree_cleanup (&pattern
);
1252 apropos_cmd (gdb_stdout
, cmdlist
, &pattern
, "");
1253 do_cleanups (cleanups
);
1257 char *err
= get_regcomp_error (code
, &pattern
);
1259 make_cleanup (xfree
, err
);
1260 error (_("Error in regular expression: %s"), err
);
1264 /* Subroutine of alias_command to simplify it.
1265 Return the first N elements of ARGV flattened back to a string
1266 with a space separating each element.
1267 ARGV may not be NULL.
1268 This does not take care of quoting elements in case they contain spaces
1272 argv_to_dyn_string (char **argv
, int n
)
1275 dyn_string_t result
= dyn_string_new (10);
1277 gdb_assert (argv
!= NULL
);
1278 gdb_assert (n
>= 0 && n
<= countargv (argv
));
1280 for (i
= 0; i
< n
; ++i
)
1283 dyn_string_append_char (result
, ' ');
1284 dyn_string_append_cstr (result
, argv
[i
]);
1290 /* Subroutine of alias_command to simplify it.
1291 Return TRUE if COMMAND exists, unambiguously. Otherwise FALSE. */
1294 valid_command_p (char *command
)
1296 struct cmd_list_element
*c
;
1298 c
= lookup_cmd_1 (& command
, cmdlist
, NULL
, 1);
1300 if (c
== NULL
|| c
== (struct cmd_list_element
*) -1)
1303 /* This is the slightly tricky part.
1304 lookup_cmd_1 will return a pointer to the last part of COMMAND
1305 to match, leaving COMMAND pointing at the remainder. */
1306 while (*command
== ' ' || *command
== '\t')
1308 return *command
== '\0';
1311 /* Make an alias of an existing command. */
1314 alias_command (char *args
, int from_tty
)
1316 int i
, alias_argc
, command_argc
;
1317 int abbrev_flag
= 0;
1318 char *args2
, *equals
, *alias
, *command
;
1319 char **alias_argv
, **command_argv
;
1320 dyn_string_t alias_dyn_string
, command_dyn_string
;
1321 static const char usage
[] = N_("Usage: alias [-a] [--] ALIAS = COMMAND");
1323 if (args
== NULL
|| strchr (args
, '=') == NULL
)
1326 args2
= xstrdup (args
);
1327 make_cleanup (xfree
, args2
);
1328 equals
= strchr (args2
, '=');
1330 alias_argv
= gdb_buildargv (args2
);
1331 make_cleanup_freeargv (alias_argv
);
1332 command_argv
= gdb_buildargv (equals
+ 1);
1333 make_cleanup_freeargv (command_argv
);
1335 for (i
= 0; alias_argv
[i
] != NULL
; )
1337 if (strcmp (alias_argv
[i
], "-a") == 0)
1342 else if (strcmp (alias_argv
[i
], "--") == 0)
1351 if (alias_argv
[0] == NULL
|| command_argv
[0] == NULL
1352 || *alias_argv
[0] == '\0' || *command_argv
[0] == '\0')
1355 for (i
= 0; alias_argv
[i
] != NULL
; ++i
)
1357 if (! valid_user_defined_cmd_name_p (alias_argv
[i
]))
1360 error (_("Invalid command name: %s"), alias_argv
[i
]);
1362 error (_("Invalid command element name: %s"), alias_argv
[i
]);
1366 alias_argc
= countargv (alias_argv
);
1367 command_argc
= countargv (command_argv
);
1369 /* COMMAND must exist.
1370 Reconstruct the command to remove any extraneous spaces,
1371 for better error messages. */
1372 command_dyn_string
= argv_to_dyn_string (command_argv
, command_argc
);
1373 make_cleanup_dyn_string_delete (command_dyn_string
);
1374 command
= dyn_string_buf (command_dyn_string
);
1375 if (! valid_command_p (command
))
1376 error (_("Invalid command to alias to: %s"), command
);
1378 /* ALIAS must not exist. */
1379 alias_dyn_string
= argv_to_dyn_string (alias_argv
, alias_argc
);
1380 make_cleanup_dyn_string_delete (alias_dyn_string
);
1381 alias
= dyn_string_buf (alias_dyn_string
);
1382 if (valid_command_p (alias
))
1383 error (_("Alias already exists: %s"), alias
);
1385 /* If ALIAS is one word, it is an alias for the entire COMMAND.
1386 Example: alias spe = set print elements
1388 Otherwise ALIAS and COMMAND must have the same number of words,
1389 and every word except the last must match; and the last word of
1390 ALIAS is made an alias of the last word of COMMAND.
1391 Example: alias set print elms = set pr elem
1392 Note that unambiguous abbreviations are allowed. */
1394 if (alias_argc
== 1)
1396 /* add_cmd requires *we* allocate space for name, hence the xstrdup. */
1397 add_com_alias (xstrdup (alias_argv
[0]), command
, class_alias
,
1402 dyn_string_t alias_prefix_dyn_string
, command_prefix_dyn_string
;
1403 char *alias_prefix
, *command_prefix
;
1404 struct cmd_list_element
*c_alias
, *c_command
;
1406 if (alias_argc
!= command_argc
)
1407 error (_("Mismatched command length between ALIAS and COMMAND."));
1409 /* Create copies of ALIAS and COMMAND without the last word,
1410 and use that to verify the leading elements match. */
1411 alias_prefix_dyn_string
=
1412 argv_to_dyn_string (alias_argv
, alias_argc
- 1);
1413 make_cleanup_dyn_string_delete (alias_prefix_dyn_string
);
1414 command_prefix_dyn_string
=
1415 argv_to_dyn_string (alias_argv
, command_argc
- 1);
1416 make_cleanup_dyn_string_delete (command_prefix_dyn_string
);
1417 alias_prefix
= dyn_string_buf (alias_prefix_dyn_string
);
1418 command_prefix
= dyn_string_buf (command_prefix_dyn_string
);
1420 c_command
= lookup_cmd_1 (& command_prefix
, cmdlist
, NULL
, 1);
1421 /* We've already tried to look up COMMAND. */
1422 gdb_assert (c_command
!= NULL
1423 && c_command
!= (struct cmd_list_element
*) -1);
1424 gdb_assert (c_command
->prefixlist
!= NULL
);
1425 c_alias
= lookup_cmd_1 (& alias_prefix
, cmdlist
, NULL
, 1);
1426 if (c_alias
!= c_command
)
1427 error (_("ALIAS and COMMAND prefixes do not match."));
1429 /* add_cmd requires *we* allocate space for name, hence the xstrdup. */
1430 add_alias_cmd (xstrdup (alias_argv
[alias_argc
- 1]),
1431 command_argv
[command_argc
- 1],
1432 class_alias
, abbrev_flag
, c_command
->prefixlist
);
1436 /* Print a list of files and line numbers which a user may choose from
1437 in order to list a function which was specified ambiguously (as
1438 with `list classname::overloadedfuncname', for example). The
1439 vector in SALS provides the filenames and line numbers. */
1442 ambiguous_line_spec (struct symtabs_and_lines
*sals
)
1446 for (i
= 0; i
< sals
->nelts
; ++i
)
1447 printf_filtered (_("file: \"%s\", line number: %d\n"),
1448 sals
->sals
[i
].symtab
->filename
, sals
->sals
[i
].line
);
1451 /* Sort function for filter_sals. */
1454 compare_symtabs (const void *a
, const void *b
)
1456 const struct symtab_and_line
*sala
= a
;
1457 const struct symtab_and_line
*salb
= b
;
1460 if (!sala
->symtab
->dirname
)
1462 if (salb
->symtab
->dirname
)
1465 else if (!salb
->symtab
->dirname
)
1467 if (sala
->symtab
->dirname
)
1472 r
= filename_cmp (sala
->symtab
->dirname
, salb
->symtab
->dirname
);
1477 r
= filename_cmp (sala
->symtab
->filename
, salb
->symtab
->filename
);
1481 if (sala
->line
< salb
->line
)
1483 return sala
->line
== salb
->line
? 0 : 1;
1486 /* Remove any SALs that do not match the current program space, or
1487 which appear to be "file:line" duplicates. */
1490 filter_sals (struct symtabs_and_lines
*sals
)
1495 for (i
= 0; i
< sals
->nelts
; ++i
)
1497 if (sals
->sals
[i
].pspace
== current_program_space
1498 && sals
->sals
[i
].symtab
!= NULL
)
1500 sals
->sals
[out
] = sals
->sals
[i
];
1506 qsort (sals
->sals
, sals
->nelts
, sizeof (struct symtab_and_line
),
1511 for (i
= 1; i
< sals
->nelts
; ++i
)
1513 if (compare_symtabs (&sals
->sals
[prev
], &sals
->sals
[i
]))
1515 /* Symtabs differ. */
1516 sals
->sals
[out
] = sals
->sals
[i
];
1522 if (sals
->nelts
== 0)
1532 set_debug (char *arg
, int from_tty
)
1534 printf_unfiltered (_("\"set debug\" must be followed by "
1535 "the name of a debug subcommand.\n"));
1536 help_list (setdebuglist
, "set debug ", -1, gdb_stdout
);
1540 show_debug (char *args
, int from_tty
)
1542 cmd_show_list (showdebuglist
, from_tty
, "");
1546 init_cmd_lists (void)
1548 max_user_call_depth
= 1024;
1562 showhistlist
= NULL
;
1563 unsethistlist
= NULL
;
1564 maintenancelist
= NULL
;
1565 maintenanceinfolist
= NULL
;
1566 maintenanceprintlist
= NULL
;
1567 setprintlist
= NULL
;
1568 showprintlist
= NULL
;
1569 setchecklist
= NULL
;
1570 showchecklist
= NULL
;
1574 show_info_verbose (struct ui_file
*file
, int from_tty
,
1575 struct cmd_list_element
*c
,
1579 fprintf_filtered (file
,
1580 _("Verbose printing of informational messages is %s.\n"),
1583 fprintf_filtered (file
, _("Verbosity is %s.\n"), value
);
1587 show_history_expansion_p (struct ui_file
*file
, int from_tty
,
1588 struct cmd_list_element
*c
, const char *value
)
1590 fprintf_filtered (file
, _("History expansion on command input is %s.\n"),
1595 show_baud_rate (struct ui_file
*file
, int from_tty
,
1596 struct cmd_list_element
*c
, const char *value
)
1598 fprintf_filtered (file
, _("Baud rate for remote serial I/O is %s.\n"),
1603 show_remote_debug (struct ui_file
*file
, int from_tty
,
1604 struct cmd_list_element
*c
, const char *value
)
1606 fprintf_filtered (file
, _("Debugging of remote protocol is %s.\n"),
1611 show_remote_timeout (struct ui_file
*file
, int from_tty
,
1612 struct cmd_list_element
*c
, const char *value
)
1614 fprintf_filtered (file
,
1615 _("Timeout limit to wait for target to respond is %s.\n"),
1620 show_max_user_call_depth (struct ui_file
*file
, int from_tty
,
1621 struct cmd_list_element
*c
, const char *value
)
1623 fprintf_filtered (file
,
1624 _("The max call depth for user-defined commands is %s.\n"),
1630 initialize_file_ftype _initialize_cli_cmds
;
1633 _initialize_cli_cmds (void)
1635 struct cmd_list_element
*c
;
1637 /* Define the classes of commands.
1638 They will appear in the help list in alphabetical order. */
1640 add_cmd ("internals", class_maintenance
, NULL
, _("\
1641 Maintenance commands.\n\
1642 Some gdb commands are provided just for use by gdb maintainers.\n\
1643 These commands are subject to frequent change, and may not be as\n\
1644 well documented as user commands."),
1646 add_cmd ("obscure", class_obscure
, NULL
, _("Obscure features."), &cmdlist
);
1647 add_cmd ("aliases", class_alias
, NULL
,
1648 _("Aliases of other commands."), &cmdlist
);
1649 add_cmd ("user-defined", class_user
, NULL
, _("\
1650 User-defined commands.\n\
1651 The commands in this class are those defined by the user.\n\
1652 Use the \"define\" command to define a command."), &cmdlist
);
1653 add_cmd ("support", class_support
, NULL
, _("Support facilities."), &cmdlist
);
1655 add_cmd ("status", class_info
, NULL
, _("Status inquiries."), &cmdlist
);
1656 add_cmd ("files", class_files
, NULL
, _("Specifying and examining files."),
1658 add_cmd ("breakpoints", class_breakpoint
, NULL
,
1659 _("Making program stop at certain points."), &cmdlist
);
1660 add_cmd ("data", class_vars
, NULL
, _("Examining data."), &cmdlist
);
1661 add_cmd ("stack", class_stack
, NULL
, _("\
1662 Examining the stack.\n\
1663 The stack is made up of stack frames. Gdb assigns numbers to stack frames\n\
1664 counting from zero for the innermost (currently executing) frame.\n\n\
1665 At any time gdb identifies one frame as the \"selected\" frame.\n\
1666 Variable lookups are done with respect to the selected frame.\n\
1667 When the program being debugged stops, gdb selects the innermost frame.\n\
1668 The commands below can be used to select other frames by number or address."),
1670 add_cmd ("running", class_run
, NULL
, _("Running the program."), &cmdlist
);
1672 /* Define general commands. */
1674 add_com ("pwd", class_files
, pwd_command
, _("\
1675 Print working directory. This is used for your program as well."));
1677 c
= add_cmd ("cd", class_files
, cd_command
, _("\
1678 Set working directory to DIR for debugger and program being debugged.\n\
1679 The change does not take effect for the program being debugged\n\
1680 until the next time it is started."), &cmdlist
);
1681 set_cmd_completer (c
, filename_completer
);
1683 add_com ("echo", class_support
, echo_command
, _("\
1684 Print a constant string. Give string as argument.\n\
1685 C escape sequences may be used in the argument.\n\
1686 No newline is added at the end of the argument;\n\
1687 use \"\\n\" if you want a newline to be printed.\n\
1688 Since leading and trailing whitespace are ignored in command arguments,\n\
1689 if you want to print some you must use \"\\\" before leading whitespace\n\
1690 to be printed or after trailing whitespace."));
1692 add_setshow_enum_cmd ("script-extension", class_support
,
1693 script_ext_enums
, &script_ext_mode
, _("\
1694 Set mode for script filename extension recognition."), _("\
1695 Show mode for script filename extension recognition."), _("\
1696 off == no filename extension recognition (all sourced files are GDB scripts)\n\
1697 soft == evaluate script according to filename extension, fallback to GDB script"
1699 strict == evaluate script according to filename extension, error if not supported"
1702 show_script_ext_mode
,
1703 &setlist
, &showlist
);
1705 add_com ("quit", class_support
, quit_command
, _("Exit gdb."));
1706 c
= add_com ("help", class_support
, help_command
,
1707 _("Print list of commands."));
1708 set_cmd_completer (c
, command_completer
);
1709 add_com_alias ("q", "quit", class_support
, 1);
1710 add_com_alias ("h", "help", class_support
, 1);
1712 add_setshow_boolean_cmd ("verbose", class_support
, &info_verbose
, _("\
1713 Set verbosity."), _("\
1714 Show verbosity."), NULL
,
1717 &setlist
, &showlist
);
1719 add_prefix_cmd ("history", class_support
, set_history
,
1720 _("Generic command for setting command history parameters."),
1721 &sethistlist
, "set history ", 0, &setlist
);
1722 add_prefix_cmd ("history", class_support
, show_history
,
1723 _("Generic command for showing command history parameters."),
1724 &showhistlist
, "show history ", 0, &showlist
);
1726 add_setshow_boolean_cmd ("expansion", no_class
, &history_expansion_p
, _("\
1727 Set history expansion on command input."), _("\
1728 Show history expansion on command input."), _("\
1729 Without an argument, history expansion is enabled."),
1731 show_history_expansion_p
,
1732 &sethistlist
, &showhistlist
);
1734 add_prefix_cmd ("info", class_info
, info_command
, _("\
1735 Generic command for showing things about the program being debugged."),
1736 &infolist
, "info ", 0, &cmdlist
);
1737 add_com_alias ("i", "info", class_info
, 1);
1738 add_com_alias ("inf", "info", class_info
, 1);
1740 add_com ("complete", class_obscure
, complete_command
,
1741 _("List the completions for the rest of the line as a command."));
1743 add_prefix_cmd ("show", class_info
, show_command
, _("\
1744 Generic command for showing things about the debugger."),
1745 &showlist
, "show ", 0, &cmdlist
);
1746 /* Another way to get at the same thing. */
1747 add_info ("set", show_command
, _("Show all GDB settings."));
1749 add_cmd ("commands", no_set_class
, show_commands
, _("\
1750 Show the history of commands you typed.\n\
1751 You can supply a command number to start with, or a `+' to start after\n\
1752 the previous command number shown."),
1755 add_cmd ("version", no_set_class
, show_version
,
1756 _("Show what version of GDB this is."), &showlist
);
1758 /* If target is open when baud changes, it doesn't take effect until
1759 the next open (I think, not sure). */
1760 add_setshow_zinteger_cmd ("remotebaud", no_class
, &baud_rate
, _("\
1761 Set baud rate for remote serial I/O."), _("\
1762 Show baud rate for remote serial I/O."), _("\
1763 This value is used to set the speed of the serial port when debugging\n\
1764 using remote targets."),
1767 &setlist
, &showlist
);
1769 add_setshow_zinteger_cmd ("remote", no_class
, &remote_debug
, _("\
1770 Set debugging of remote protocol."), _("\
1771 Show debugging of remote protocol."), _("\
1772 When enabled, each packet sent or received with the remote target\n\
1776 &setdebuglist
, &showdebuglist
);
1778 add_setshow_zuinteger_unlimited_cmd ("remotetimeout", no_class
,
1779 &remote_timeout
, _("\
1780 Set timeout limit to wait for target to respond."), _("\
1781 Show timeout limit to wait for target to respond."), _("\
1782 This value is used to set the time limit for gdb to wait for a response\n\
1785 show_remote_timeout
,
1786 &setlist
, &showlist
);
1788 add_prefix_cmd ("debug", no_class
, set_debug
,
1789 _("Generic command for setting gdb debugging flags"),
1790 &setdebuglist
, "set debug ", 0, &setlist
);
1792 add_prefix_cmd ("debug", no_class
, show_debug
,
1793 _("Generic command for showing gdb debugging flags"),
1794 &showdebuglist
, "show debug ", 0, &showlist
);
1796 c
= add_com ("shell", class_support
, shell_escape
, _("\
1797 Execute the rest of the line as a shell command.\n\
1798 With no arguments, run an inferior shell."));
1799 set_cmd_completer (c
, filename_completer
);
1801 c
= add_com ("edit", class_files
, edit_command
, _("\
1802 Edit specified file or function.\n\
1803 With no argument, edits file containing most recent line listed.\n\
1804 Editing targets can be specified in these ways:\n\
1805 FILE:LINENUM, to edit at that line in that file,\n\
1806 FUNCTION, to edit at the beginning of that function,\n\
1807 FILE:FUNCTION, to distinguish among like-named static functions.\n\
1808 *ADDRESS, to edit at the line containing that address.\n\
1809 Uses EDITOR environment variable contents as editor (or ex as default)."));
1811 c
->completer
= location_completer
;
1813 add_com ("list", class_files
, list_command
, _("\
1814 List specified function or line.\n\
1815 With no argument, lists ten more lines after or around previous listing.\n\
1816 \"list -\" lists the ten lines before a previous ten-line listing.\n\
1817 One argument specifies a line, and ten lines are listed around that line.\n\
1818 Two arguments with comma between specify starting and ending lines to list.\n\
1819 Lines can be specified in these ways:\n\
1820 LINENUM, to list around that line in current file,\n\
1821 FILE:LINENUM, to list around that line in that file,\n\
1822 FUNCTION, to list around beginning of that function,\n\
1823 FILE:FUNCTION, to distinguish among like-named static functions.\n\
1824 *ADDRESS, to list around the line containing that address.\n\
1825 With two args if one is empty it stands for ten lines away from \
1829 add_com_alias ("l", "list", class_files
, 1);
1831 add_com_alias ("v", "list", class_files
, 1);
1834 add_com_alias ("file", "list", class_files
, 1);
1836 c
= add_com ("disassemble", class_vars
, disassemble_command
, _("\
1837 Disassemble a specified section of memory.\n\
1838 Default is the function surrounding the pc of the selected frame.\n\
1839 With a /m modifier, source lines are included (if available).\n\
1840 With a /r modifier, raw instructions in hex are included.\n\
1841 With a single argument, the function surrounding that address is dumped.\n\
1842 Two arguments (separated by a comma) are taken as a range of memory to dump,\n\
1843 in the form of \"start,end\", or \"start,+length\"."));
1844 set_cmd_completer (c
, location_completer
);
1846 add_com_alias ("va", "disassemble", class_xdb
, 0);
1848 add_com_alias ("!", "shell", class_support
, 0);
1850 c
= add_com ("make", class_support
, make_command
, _("\
1851 Run the ``make'' program using the rest of the line as arguments."));
1852 set_cmd_completer (c
, filename_completer
);
1853 add_cmd ("user", no_class
, show_user
, _("\
1854 Show definitions of non-python user defined commands.\n\
1855 Argument is the name of the user defined command.\n\
1856 With no argument, show definitions of all user defined commands."), &showlist
);
1857 add_com ("apropos", class_support
, apropos_command
,
1858 _("Search for commands matching a REGEXP"));
1860 add_setshow_uinteger_cmd ("max-user-call-depth", no_class
,
1861 &max_user_call_depth
, _("\
1862 Set the max call depth for non-python user-defined commands."), _("\
1863 Show the max call depth for non-python user-defined commands."), NULL
,
1865 show_max_user_call_depth
,
1866 &setlist
, &showlist
);
1868 add_setshow_boolean_cmd ("trace-commands", no_class
, &trace_commands
, _("\
1869 Set tracing of GDB CLI commands."), _("\
1870 Show state of GDB CLI command tracing."), _("\
1871 When 'on', each command is displayed as it is executed."),
1874 &setlist
, &showlist
);
1876 c
= add_com ("alias", class_support
, alias_command
, _("\
1877 Define a new command that is an alias of an existing command.\n\
1878 Usage: alias [-a] [--] ALIAS = COMMAND\n\
1879 ALIAS is the name of the alias command to create.\n\
1880 COMMAND is the command being aliased to.\n\
1881 If \"-a\" is specified, the command is an abbreviation,\n\
1882 and will not appear in help command list output.\n\
1885 Make \"spe\" an alias of \"set print elements\":\n\
1886 alias spe = set print elements\n\
1887 Make \"elms\" an alias of \"elements\" in the \"set print\" command:\n\
1888 alias -a set print elms = set print elements"));
1892 init_cli_cmds (void)
1894 struct cmd_list_element
*c
;
1895 char *source_help_text
;
1897 source_help_text
= xstrprintf (_("\
1898 Read commands from a file named FILE.\n\
1900 Usage: source [-s] [-v] FILE\n\
1901 -s: search for the script in the source search path,\n\
1902 even if FILE contains directories.\n\
1903 -v: each command in FILE is echoed as it is executed.\n\
1905 Note that the file \"%s\" is read automatically in this way\n\
1906 when GDB is started."), gdbinit
);
1907 c
= add_cmd ("source", class_support
, source_command
,
1908 source_help_text
, &cmdlist
);
1909 set_cmd_completer (c
, filename_completer
);