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"
42 #include "filestuff.h"
47 #include "cli/cli-decode.h"
48 #include "cli/cli-script.h"
49 #include "cli/cli-setshow.h"
50 #include "cli/cli-cmds.h"
51 #include "cli/cli-utils.h"
53 #include "python/python.h"
56 #include "tui/tui.h" /* For tui_active et.al. */
61 /* Prototypes for local command functions */
63 static void complete_command (char *, int);
65 static void echo_command (char *, int);
67 static void pwd_command (char *, int);
69 static void show_version (char *, int);
71 static void help_command (char *, int);
73 static void show_command (char *, int);
75 static void info_command (char *, int);
77 static void show_debug (char *, int);
79 static void set_debug (char *, int);
81 static void show_user (char *, int);
83 static void make_command (char *, int);
85 static void shell_escape (char *, int);
87 static void edit_command (char *, int);
89 static void list_command (char *, int);
91 /* Prototypes for local utility functions */
93 static void ambiguous_line_spec (struct symtabs_and_lines
*);
95 static void filter_sals (struct symtabs_and_lines
*);
98 /* Limit the call depth of user-defined commands */
99 unsigned int max_user_call_depth
;
101 /* Define all cmd_list_elements. */
103 /* Chain containing all defined commands. */
105 struct cmd_list_element
*cmdlist
;
107 /* Chain containing all defined info subcommands. */
109 struct cmd_list_element
*infolist
;
111 /* Chain containing all defined enable subcommands. */
113 struct cmd_list_element
*enablelist
;
115 /* Chain containing all defined disable subcommands. */
117 struct cmd_list_element
*disablelist
;
119 /* Chain containing all defined toggle subcommands. */
121 struct cmd_list_element
*togglelist
;
123 /* Chain containing all defined stop subcommands. */
125 struct cmd_list_element
*stoplist
;
127 /* Chain containing all defined delete subcommands. */
129 struct cmd_list_element
*deletelist
;
131 /* Chain containing all defined detach subcommands. */
133 struct cmd_list_element
*detachlist
;
135 /* Chain containing all defined kill subcommands. */
137 struct cmd_list_element
*killlist
;
139 /* Chain containing all defined set subcommands */
141 struct cmd_list_element
*setlist
;
143 /* Chain containing all defined unset subcommands */
145 struct cmd_list_element
*unsetlist
;
147 /* Chain containing all defined show subcommands. */
149 struct cmd_list_element
*showlist
;
151 /* Chain containing all defined \"set history\". */
153 struct cmd_list_element
*sethistlist
;
155 /* Chain containing all defined \"show history\". */
157 struct cmd_list_element
*showhistlist
;
159 /* Chain containing all defined \"unset history\". */
161 struct cmd_list_element
*unsethistlist
;
163 /* Chain containing all defined maintenance subcommands. */
165 struct cmd_list_element
*maintenancelist
;
167 /* Chain containing all defined "maintenance info" subcommands. */
169 struct cmd_list_element
*maintenanceinfolist
;
171 /* Chain containing all defined "maintenance print" subcommands. */
173 struct cmd_list_element
*maintenanceprintlist
;
175 struct cmd_list_element
*setprintlist
;
177 struct cmd_list_element
*showprintlist
;
179 struct cmd_list_element
*setdebuglist
;
181 struct cmd_list_element
*showdebuglist
;
183 struct cmd_list_element
*setchecklist
;
185 struct cmd_list_element
*showchecklist
;
187 /* Command tracing state. */
189 int source_verbose
= 0;
190 int trace_commands
= 0;
192 /* 'script-extension' option support. */
194 static const char script_ext_off
[] = "off";
195 static const char script_ext_soft
[] = "soft";
196 static const char script_ext_strict
[] = "strict";
198 static const char *const script_ext_enums
[] = {
205 static const char *script_ext_mode
= script_ext_soft
;
207 /* Utility used everywhere when at least one argument is needed and
211 error_no_arg (char *why
)
213 error (_("Argument required (%s)."), why
);
216 /* The "info" command is defined as a prefix, with allow_unknown = 0.
217 Therefore, its own definition is called only for "info" with no
221 info_command (char *arg
, int from_tty
)
223 printf_unfiltered (_("\"info\" must be followed by "
224 "the name of an info command.\n"));
225 help_list (infolist
, "info ", -1, gdb_stdout
);
228 /* The "show" command with no arguments shows all the settings. */
231 show_command (char *arg
, int from_tty
)
233 cmd_show_list (showlist
, from_tty
, "");
236 /* Provide documentation on command or list given by COMMAND. FROM_TTY
240 help_command (char *command
, int from_tty
)
242 help_cmd (command
, gdb_stdout
);
245 /* The "complete" command is used by Emacs to implement completion. */
248 complete_command (char *arg
, int from_tty
)
251 char *point
, *arg_prefix
;
252 VEC (char_ptr
) *completions
;
258 argpoint
= strlen (arg
);
260 /* complete_line assumes that its first argument is somewhere
261 within, and except for filenames at the beginning of, the word to
262 be completed. The following crude imitation of readline's
263 word-breaking tries to accomodate this. */
264 point
= arg
+ argpoint
;
267 if (strchr (rl_completer_word_break_characters
, point
[-1]) != 0)
272 arg_prefix
= alloca (point
- arg
+ 1);
273 memcpy (arg_prefix
, arg
, point
- arg
);
274 arg_prefix
[point
- arg
] = 0;
276 completions
= complete_line (point
, arg
, argpoint
);
280 int ix
, size
= VEC_length (char_ptr
, completions
);
281 char *item
, *prev
= NULL
;
283 qsort (VEC_address (char_ptr
, completions
), size
,
284 sizeof (char *), compare_strings
);
286 /* We do extra processing here since we only want to print each
288 for (ix
= 0; VEC_iterate (char_ptr
, completions
, ix
, item
); ++ix
)
290 if (prev
== NULL
|| strcmp (item
, prev
) != 0)
292 printf_unfiltered ("%s%s\n", arg_prefix
, item
);
301 VEC_free (char_ptr
, completions
);
306 is_complete_command (struct cmd_list_element
*c
)
308 return cmd_cfunc_eq (c
, complete_command
);
312 show_version (char *args
, int from_tty
)
314 print_gdb_version (gdb_stdout
);
315 printf_filtered ("\n");
319 show_configuration (char *args
, int from_tty
)
321 print_gdb_configuration (gdb_stdout
);
324 /* Handle the quit command. */
327 quit_command (char *args
, int from_tty
)
329 if (!quit_confirm ())
330 error (_("Not confirmed."));
332 query_if_trace_running (from_tty
);
334 quit_force (args
, from_tty
);
338 pwd_command (char *args
, int from_tty
)
341 error (_("The \"pwd\" command does not take an argument: %s"), args
);
342 if (! getcwd (gdb_dirbuf
, sizeof (gdb_dirbuf
)))
343 error (_("Error finding name of working directory: %s"),
344 safe_strerror (errno
));
346 if (strcmp (gdb_dirbuf
, current_directory
) != 0)
347 printf_unfiltered (_("Working directory %s\n (canonically %s).\n"),
348 current_directory
, gdb_dirbuf
);
350 printf_unfiltered (_("Working directory %s.\n"), current_directory
);
354 cd_command (char *dir
, int from_tty
)
357 /* Found something other than leading repetitions of "/..". */
360 struct cleanup
*cleanup
;
362 /* If the new directory is absolute, repeat is a no-op; if relative,
363 repeat might be useful but is more likely to be a mistake. */
369 dir
= tilde_expand (dir
);
370 cleanup
= make_cleanup (xfree
, dir
);
373 perror_with_name (dir
);
375 #ifdef HAVE_DOS_BASED_FILE_SYSTEM
376 /* There's too much mess with DOSish names like "d:", "d:.",
377 "d:./foo" etc. Instead of having lots of special #ifdef'ed code,
378 simply get the canonicalized name of the current directory. */
379 dir
= getcwd (gdb_dirbuf
, sizeof (gdb_dirbuf
));
383 if (IS_DIR_SEPARATOR (dir
[len
- 1]))
385 /* Remove the trailing slash unless this is a root directory
386 (including a drive letter on non-Unix systems). */
387 if (!(len
== 1) /* "/" */
388 #ifdef HAVE_DOS_BASED_FILE_SYSTEM
389 && !(len
== 3 && dir
[1] == ':') /* "d:/" */
395 dir
= savestring (dir
, len
);
396 if (IS_ABSOLUTE_PATH (dir
))
397 current_directory
= dir
;
400 if (IS_DIR_SEPARATOR (current_directory
[strlen (current_directory
) - 1]))
401 current_directory
= concat (current_directory
, dir
, (char *)NULL
);
403 current_directory
= concat (current_directory
, SLASH_STRING
,
408 /* Now simplify any occurrences of `.' and `..' in the pathname. */
411 for (p
= current_directory
; *p
;)
413 if (IS_DIR_SEPARATOR (p
[0]) && p
[1] == '.'
414 && (p
[2] == 0 || IS_DIR_SEPARATOR (p
[2])))
415 memmove (p
, p
+ 2, strlen (p
+ 2) + 1);
416 else if (IS_DIR_SEPARATOR (p
[0]) && p
[1] == '.' && p
[2] == '.'
417 && (p
[3] == 0 || IS_DIR_SEPARATOR (p
[3])))
421 /* Search backwards for the directory just before the "/.."
422 and obliterate it and the "/..". */
425 while (q
!= current_directory
&& !IS_DIR_SEPARATOR (q
[-1]))
428 if (q
== current_directory
)
429 /* current_directory is
430 a relative pathname ("can't happen"--leave it alone). */
434 memmove (q
- 1, p
+ 3, strlen (p
+ 3) + 1);
439 /* We are dealing with leading repetitions of "/..", for
440 example "/../..", which is the Mach super-root. */
450 forget_cached_source_info ();
453 pwd_command ((char *) 0, 1);
455 do_cleanups (cleanup
);
458 /* Show the current value of the 'script-extension' option. */
461 show_script_ext_mode (struct ui_file
*file
, int from_tty
,
462 struct cmd_list_element
*c
, const char *value
)
464 fprintf_filtered (file
,
465 _("Script filename extension recognition is \"%s\".\n"),
469 /* Try to open SCRIPT_FILE.
470 If successful, the full path name is stored in *FULL_PATHP,
471 the stream is stored in *STREAMP, and return 1.
472 The caller is responsible for freeing *FULL_PATHP.
473 If not successful, return 0; errno is set for the last file
476 If SEARCH_PATH is non-zero, and the file isn't found in cwd,
477 search for it in the source search path. */
480 find_and_open_script (const char *script_file
, int search_path
,
481 FILE **streamp
, char **full_pathp
)
485 struct cleanup
*old_cleanups
;
486 int search_flags
= OPF_TRY_CWD_FIRST
;
488 file
= tilde_expand (script_file
);
489 old_cleanups
= make_cleanup (xfree
, file
);
492 search_flags
|= OPF_SEARCH_IN_PATH
;
494 /* Search for and open 'file' on the search path used for source
495 files. Put the full location in *FULL_PATHP. */
496 fd
= openp (source_path
, search_flags
,
497 file
, O_RDONLY
, full_pathp
);
501 int save_errno
= errno
;
502 do_cleanups (old_cleanups
);
507 do_cleanups (old_cleanups
);
509 *streamp
= fdopen (fd
, FOPEN_RT
);
510 if (*streamp
== NULL
)
512 int save_errno
= errno
;
524 /* Load script FILE, which has already been opened as STREAM. */
527 source_script_from_stream (FILE *stream
, const char *file
)
529 if (script_ext_mode
!= script_ext_off
530 && strlen (file
) > 3 && !strcmp (&file
[strlen (file
) - 3], ".py"))
532 volatile struct gdb_exception e
;
534 TRY_CATCH (e
, RETURN_MASK_ERROR
)
536 source_python_script (stream
, file
);
540 /* Should we fallback to ye olde GDB script mode? */
541 if (script_ext_mode
== script_ext_soft
542 && e
.reason
== RETURN_ERROR
&& e
.error
== UNSUPPORTED_ERROR
)
544 fseek (stream
, 0, SEEK_SET
);
545 script_from_file (stream
, (char*) file
);
549 /* Nope, just punt. */
555 script_from_file (stream
, file
);
558 /* Worker to perform the "source" command.
560 If SEARCH_PATH is non-zero, and the file isn't found in cwd,
561 search for it in the source search path. */
564 source_script_with_search (const char *file
, int from_tty
, int search_path
)
568 struct cleanup
*old_cleanups
;
570 if (file
== NULL
|| *file
== 0)
571 error (_("source command requires file name of file to source."));
573 if (!find_and_open_script (file
, search_path
, &stream
, &full_path
))
575 /* The script wasn't found, or was otherwise inaccessible.
576 If the source command was invoked interactively, throw an
577 error. Otherwise (e.g. if it was invoked by a script),
578 silently ignore the error. */
580 perror_with_name (file
);
585 old_cleanups
= make_cleanup (xfree
, full_path
);
586 make_cleanup_fclose (stream
);
587 /* The python support reopens the file, so we need to pass full_path here
588 in case the file was found on the search path. It's useful to do this
589 anyway so that error messages show the actual file used. But only do
590 this if we (may have) used search_path, as printing the full path in
591 errors for the non-search case can be more noise than signal. */
592 source_script_from_stream (stream
, search_path
? full_path
: file
);
593 do_cleanups (old_cleanups
);
596 /* Wrapper around source_script_with_search to export it to main.c
597 for use in loading .gdbinit scripts. */
600 source_script (const char *file
, int from_tty
)
602 source_script_with_search (file
, from_tty
, 0);
605 /* Return the source_verbose global variable to its previous state
606 on exit from the source command, by whatever means. */
608 source_verbose_cleanup (void *old_value
)
610 source_verbose
= *(int *)old_value
;
615 source_command (char *args
, int from_tty
)
617 struct cleanup
*old_cleanups
;
619 int *old_source_verbose
= xmalloc (sizeof(int));
622 *old_source_verbose
= source_verbose
;
623 old_cleanups
= make_cleanup (source_verbose_cleanup
,
626 /* -v causes the source command to run in verbose mode.
627 -s causes the file to be searched in the source search path,
628 even if the file name contains a '/'.
629 We still have to be able to handle filenames with spaces in a
630 backward compatible way, so buildargv is not appropriate. */
634 while (args
[0] != '\0')
636 /* Make sure leading white space does not break the
638 args
= skip_spaces (args
);
643 if (args
[1] == 'v' && isspace (args
[2]))
647 /* Skip passed -v. */
650 else if (args
[1] == 's' && isspace (args
[2]))
654 /* Skip passed -s. */
661 file
= skip_spaces (args
);
664 source_script_with_search (file
, from_tty
, search_path
);
666 do_cleanups (old_cleanups
);
671 echo_command (char *text
, int from_tty
)
677 while ((c
= *p
++) != '\0')
681 /* \ at end of argument is used after spaces
682 so they won't be lost. */
686 c
= parse_escape (get_current_arch (), &p
);
688 printf_filtered ("%c", c
);
691 printf_filtered ("%c", c
);
694 /* Force this output to appear now. */
696 gdb_flush (gdb_stdout
);
700 shell_escape (char *arg
, int from_tty
)
702 #if defined(CANT_FORK) || \
703 (!defined(HAVE_WORKING_VFORK) && !defined(HAVE_WORKING_FORK))
704 /* If ARG is NULL, they want an inferior shell, but `system' just
705 reports if the shell is available when passed a NULL arg. */
706 int rc
= system (arg
? arg
: "");
709 arg
= "inferior shell";
713 fprintf_unfiltered (gdb_stderr
, "Cannot execute %s: %s\n", arg
,
714 safe_strerror (errno
));
715 gdb_flush (gdb_stderr
);
719 fprintf_unfiltered (gdb_stderr
, "%s exited with status %d\n", arg
, rc
);
720 gdb_flush (gdb_stderr
);
723 /* Make sure to return to the directory GDB thinks it is, in case
724 the shell command we just ran changed it. */
725 chdir (current_directory
);
727 #else /* Can fork. */
730 if ((pid
= vfork ()) == 0)
732 const char *p
, *user_shell
;
736 if ((user_shell
= (char *) getenv ("SHELL")) == NULL
)
737 user_shell
= "/bin/sh";
739 /* Get the name of the shell for arg0. */
740 p
= lbasename (user_shell
);
743 execl (user_shell
, p
, (char *) 0);
745 execl (user_shell
, p
, "-c", arg
, (char *) 0);
747 fprintf_unfiltered (gdb_stderr
, "Cannot execute %s: %s\n", user_shell
,
748 safe_strerror (errno
));
749 gdb_flush (gdb_stderr
);
754 waitpid (pid
, &status
, 0);
756 error (_("Fork failed"));
757 #endif /* Can fork. */
761 edit_command (char *arg
, int from_tty
)
763 struct symtabs_and_lines sals
;
764 struct symtab_and_line sal
;
771 /* Pull in the current default source line if necessary. */
774 set_default_source_symtab_and_line ();
775 sal
= get_current_source_symtab_and_line ();
778 /* Bare "edit" edits file with present line. */
783 error (_("No default source file yet."));
784 sal
.line
+= get_lines_to_list () / 2;
788 /* Now should only be one argument -- decode it in SAL. */
791 sals
= decode_line_1 (&arg1
, DECODE_LINE_LIST_MODE
, 0, 0);
801 ambiguous_line_spec (&sals
);
810 error (_("Junk at end of line specification."));
812 /* If line was specified by address, first print exactly which
813 line, and which file. In this case, sal.symtab == 0 means
814 address is outside of all known source files, not that user
815 failed to give a filename. */
818 struct gdbarch
*gdbarch
;
821 /* FIXME-32x64--assumes sal.pc fits in long. */
822 error (_("No source file for address %s."),
823 hex_string ((unsigned long) sal
.pc
));
825 gdbarch
= get_objfile_arch (sal
.symtab
->objfile
);
826 sym
= find_pc_function (sal
.pc
);
828 printf_filtered ("%s is in %s (%s:%d).\n",
829 paddress (gdbarch
, sal
.pc
),
830 SYMBOL_PRINT_NAME (sym
),
831 symtab_to_filename_for_display (sal
.symtab
),
834 printf_filtered ("%s is at %s:%d.\n",
835 paddress (gdbarch
, sal
.pc
),
836 symtab_to_filename_for_display (sal
.symtab
),
840 /* If what was given does not imply a symtab, it must be an
841 undebuggable symbol which means no source code. */
844 error (_("No line number known for %s."), arg
);
847 if ((editor
= (char *) getenv ("EDITOR")) == NULL
)
850 fn
= symtab_to_fullname (sal
.symtab
);
852 /* Quote the file name, in case it has whitespace or other special
854 p
= xstrprintf ("%s +%d \"%s\"", editor
, sal
.line
, fn
);
855 shell_escape (p
, from_tty
);
860 list_command (char *arg
, int from_tty
)
862 struct symtabs_and_lines sals
, sals_end
;
863 struct symtab_and_line sal
= { 0 };
864 struct symtab_and_line sal_end
= { 0 };
865 struct symtab_and_line cursal
= { 0 };
874 /* Pull in the current default source line if necessary. */
875 if (arg
== 0 || arg
[0] == '+' || arg
[0] == '-')
877 set_default_source_symtab_and_line ();
878 cursal
= get_current_source_symtab_and_line ();
881 /* "l" or "l +" lists next ten lines. */
883 if (arg
== 0 || strcmp (arg
, "+") == 0)
885 print_source_lines (cursal
.symtab
, cursal
.line
,
886 cursal
.line
+ get_lines_to_list (), 0);
890 /* "l -" lists previous ten lines, the ones before the ten just
892 if (strcmp (arg
, "-") == 0)
894 print_source_lines (cursal
.symtab
,
895 max (get_first_line_listed ()
896 - get_lines_to_list (), 1),
897 get_first_line_listed (), 0);
901 /* Now if there is only one argument, decode it in SAL
903 If there are two arguments, decode them in SAL and SAL_END
904 and clear NO_END; however, if one of the arguments is blank,
905 set DUMMY_BEG or DUMMY_END to record that fact. */
907 if (!have_full_symbols () && !have_partial_symbols ())
908 error (_("No symbol table is loaded. Use the \"file\" command."));
915 sals
= decode_line_1 (&arg1
, DECODE_LINE_LIST_MODE
, 0, 0);
922 ambiguous_line_spec (&sals
);
931 /* Record whether the BEG arg is all digits. */
933 for (p
= arg
; p
!= arg1
&& *p
>= '0' && *p
<= '9'; p
++);
934 linenum_beg
= (p
== arg1
);
936 while (*arg1
== ' ' || *arg1
== '\t')
942 while (*arg1
== ' ' || *arg1
== '\t')
949 sals_end
= decode_line_1 (&arg1
, DECODE_LINE_LIST_MODE
, 0, 0);
951 sals_end
= decode_line_1 (&arg1
, DECODE_LINE_LIST_MODE
,
952 sal
.symtab
, sal
.line
);
953 filter_sals (&sals_end
);
954 if (sals_end
.nelts
== 0)
956 if (sals_end
.nelts
> 1)
958 ambiguous_line_spec (&sals_end
);
959 xfree (sals_end
.sals
);
962 sal_end
= sals_end
.sals
[0];
963 xfree (sals_end
.sals
);
968 error (_("Junk at end of line specification."));
970 if (!no_end
&& !dummy_beg
&& !dummy_end
971 && sal
.symtab
!= sal_end
.symtab
)
972 error (_("Specified start and end are in different files."));
973 if (dummy_beg
&& dummy_end
)
974 error (_("Two empty args do not say what lines to list."));
976 /* If line was specified by address,
977 first print exactly which line, and which file.
979 In this case, sal.symtab == 0 means address is outside of all
980 known source files, not that user failed to give a filename. */
983 struct gdbarch
*gdbarch
;
986 /* FIXME-32x64--assumes sal.pc fits in long. */
987 error (_("No source file for address %s."),
988 hex_string ((unsigned long) sal
.pc
));
990 gdbarch
= get_objfile_arch (sal
.symtab
->objfile
);
991 sym
= find_pc_function (sal
.pc
);
993 printf_filtered ("%s is in %s (%s:%d).\n",
994 paddress (gdbarch
, sal
.pc
),
995 SYMBOL_PRINT_NAME (sym
),
996 symtab_to_filename_for_display (sal
.symtab
), sal
.line
);
998 printf_filtered ("%s is at %s:%d.\n",
999 paddress (gdbarch
, sal
.pc
),
1000 symtab_to_filename_for_display (sal
.symtab
), sal
.line
);
1003 /* If line was not specified by just a line number, and it does not
1004 imply a symtab, it must be an undebuggable symbol which means no
1007 if (!linenum_beg
&& sal
.symtab
== 0)
1008 error (_("No line number known for %s."), arg
);
1010 /* If this command is repeated with RET,
1011 turn it into the no-arg variant. */
1016 if (dummy_beg
&& sal_end
.symtab
== 0)
1017 error (_("No default source file yet. Do \"help list\"."));
1019 print_source_lines (sal_end
.symtab
,
1020 max (sal_end
.line
- (get_lines_to_list () - 1), 1),
1021 sal_end
.line
+ 1, 0);
1022 else if (sal
.symtab
== 0)
1023 error (_("No default source file yet. Do \"help list\"."));
1026 int first_line
= sal
.line
- get_lines_to_list () / 2;
1028 if (first_line
< 1) first_line
= 1;
1030 print_source_lines (sal
.symtab
,
1032 first_line
+ get_lines_to_list (),
1036 print_source_lines (sal
.symtab
, sal
.line
,
1038 ? sal
.line
+ get_lines_to_list ()
1039 : sal_end
.line
+ 1),
1043 /* Subroutine of disassemble_command to simplify it.
1044 Perform the disassembly.
1045 NAME is the name of the function if known, or NULL.
1046 [LOW,HIGH) are the range of addresses to disassemble.
1047 MIXED is non-zero to print source with the assembler. */
1050 print_disassembly (struct gdbarch
*gdbarch
, const char *name
,
1051 CORE_ADDR low
, CORE_ADDR high
, int flags
)
1054 if (!tui_is_window_visible (DISASSEM_WIN
))
1057 printf_filtered ("Dump of assembler code ");
1059 printf_filtered ("for function %s:\n", name
);
1061 printf_filtered ("from %s to %s:\n",
1062 paddress (gdbarch
, low
), paddress (gdbarch
, high
));
1064 /* Dump the specified range. */
1065 gdb_disassembly (gdbarch
, current_uiout
, 0, flags
, -1, low
, high
);
1067 printf_filtered ("End of assembler dump.\n");
1068 gdb_flush (gdb_stdout
);
1073 tui_show_assembly (gdbarch
, low
);
1078 /* Subroutine of disassemble_command to simplify it.
1079 Print a disassembly of the current function according to FLAGS. */
1082 disassemble_current_function (int flags
)
1084 struct frame_info
*frame
;
1085 struct gdbarch
*gdbarch
;
1086 CORE_ADDR low
, high
, pc
;
1089 frame
= get_selected_frame (_("No frame selected."));
1090 gdbarch
= get_frame_arch (frame
);
1091 pc
= get_frame_address_in_block (frame
);
1092 if (find_pc_partial_function (pc
, &name
, &low
, &high
) == 0)
1093 error (_("No function contains program counter for selected frame."));
1095 /* NOTE: cagney/2003-02-13 The `tui_active' was previously
1098 /* FIXME: cagney/2004-02-07: This should be an observer. */
1099 low
= tui_get_low_disassembly_address (gdbarch
, low
, pc
);
1101 low
+= gdbarch_deprecated_function_start_offset (gdbarch
);
1103 print_disassembly (gdbarch
, name
, low
, high
, flags
);
1106 /* Dump a specified section of assembly code.
1110 - dump the assembly code for the function of the current pc
1111 disassemble [/mr] addr
1112 - dump the assembly code for the function at ADDR
1113 disassemble [/mr] low,high
1114 disassemble [/mr] low,+length
1115 - dump the assembly code in the range [LOW,HIGH), or [LOW,LOW+length)
1117 A /m modifier will include source code with the assembly.
1118 A /r modifier will include raw instructions in hex with the assembly. */
1121 disassemble_command (char *arg
, int from_tty
)
1123 struct gdbarch
*gdbarch
= get_current_arch ();
1124 CORE_ADDR low
, high
;
1139 error (_("Missing modifier."));
1141 while (*p
&& ! isspace (*p
))
1146 flags
|= DISASSEMBLY_SOURCE
;
1149 flags
|= DISASSEMBLY_RAW_INSN
;
1152 error (_("Invalid disassembly modifier."));
1156 p
= skip_spaces_const (p
);
1161 flags
|= DISASSEMBLY_OMIT_FNAME
;
1162 disassemble_current_function (flags
);
1166 pc
= value_as_address (parse_to_comma_and_eval (&p
));
1172 if (find_pc_partial_function (pc
, &name
, &low
, &high
) == 0)
1173 error (_("No function contains specified address."));
1175 /* NOTE: cagney/2003-02-13 The `tui_active' was previously
1178 /* FIXME: cagney/2004-02-07: This should be an observer. */
1179 low
= tui_get_low_disassembly_address (gdbarch
, low
, pc
);
1181 low
+= gdbarch_deprecated_function_start_offset (gdbarch
);
1182 flags
|= DISASSEMBLY_OMIT_FNAME
;
1186 /* Two arguments. */
1189 p
= skip_spaces_const (p
);
1195 high
= parse_and_eval_address (p
);
1200 print_disassembly (gdbarch
, name
, low
, high
, flags
);
1204 make_command (char *arg
, int from_tty
)
1212 p
= xmalloc (sizeof ("make ") + strlen (arg
));
1213 strcpy (p
, "make ");
1214 strcpy (p
+ sizeof ("make ") - 1, arg
);
1217 shell_escape (p
, from_tty
);
1221 show_user (char *args
, int from_tty
)
1223 struct cmd_list_element
*c
;
1224 extern struct cmd_list_element
*cmdlist
;
1228 const char *comname
= args
;
1230 c
= lookup_cmd (&comname
, cmdlist
, "", 0, 1);
1231 /* c->user_commands would be NULL if it's a python command. */
1232 if (c
->class != class_user
|| !c
->user_commands
)
1233 error (_("Not a user command."));
1234 show_user_1 (c
, "", args
, gdb_stdout
);
1238 for (c
= cmdlist
; c
; c
= c
->next
)
1240 if (c
->class == class_user
|| c
->prefixlist
!= NULL
)
1241 show_user_1 (c
, "", c
->name
, gdb_stdout
);
1246 /* Search through names of commands and documentations for a certain
1247 regular expression. */
1250 apropos_command (char *searchstr
, int from_tty
)
1255 if (searchstr
== NULL
)
1256 error (_("REGEXP string is empty"));
1258 code
= regcomp (&pattern
, searchstr
, REG_ICASE
);
1261 struct cleanup
*cleanups
;
1263 cleanups
= make_regfree_cleanup (&pattern
);
1264 apropos_cmd (gdb_stdout
, cmdlist
, &pattern
, "");
1265 do_cleanups (cleanups
);
1269 char *err
= get_regcomp_error (code
, &pattern
);
1271 make_cleanup (xfree
, err
);
1272 error (_("Error in regular expression: %s"), err
);
1276 /* Subroutine of alias_command to simplify it.
1277 Return the first N elements of ARGV flattened back to a string
1278 with a space separating each element.
1279 ARGV may not be NULL.
1280 This does not take care of quoting elements in case they contain spaces
1284 argv_to_dyn_string (char **argv
, int n
)
1287 dyn_string_t result
= dyn_string_new (10);
1289 gdb_assert (argv
!= NULL
);
1290 gdb_assert (n
>= 0 && n
<= countargv (argv
));
1292 for (i
= 0; i
< n
; ++i
)
1295 dyn_string_append_char (result
, ' ');
1296 dyn_string_append_cstr (result
, argv
[i
]);
1302 /* Subroutine of alias_command to simplify it.
1303 Return TRUE if COMMAND exists, unambiguously. Otherwise FALSE. */
1306 valid_command_p (const char *command
)
1308 struct cmd_list_element
*c
;
1310 c
= lookup_cmd_1 (& command
, cmdlist
, NULL
, 1);
1312 if (c
== NULL
|| c
== (struct cmd_list_element
*) -1)
1315 /* This is the slightly tricky part.
1316 lookup_cmd_1 will return a pointer to the last part of COMMAND
1317 to match, leaving COMMAND pointing at the remainder. */
1318 while (*command
== ' ' || *command
== '\t')
1320 return *command
== '\0';
1323 /* Make an alias of an existing command. */
1326 alias_command (char *args
, int from_tty
)
1328 int i
, alias_argc
, command_argc
;
1329 int abbrev_flag
= 0;
1330 char *args2
, *equals
, *alias
, *command
;
1331 char **alias_argv
, **command_argv
;
1332 dyn_string_t alias_dyn_string
, command_dyn_string
;
1333 struct cleanup
*cleanup
;
1334 static const char usage
[] = N_("Usage: alias [-a] [--] ALIAS = COMMAND");
1336 if (args
== NULL
|| strchr (args
, '=') == NULL
)
1339 args2
= xstrdup (args
);
1340 cleanup
= make_cleanup (xfree
, args2
);
1341 equals
= strchr (args2
, '=');
1343 alias_argv
= gdb_buildargv (args2
);
1344 make_cleanup_freeargv (alias_argv
);
1345 command_argv
= gdb_buildargv (equals
+ 1);
1346 make_cleanup_freeargv (command_argv
);
1348 for (i
= 0; alias_argv
[i
] != NULL
; )
1350 if (strcmp (alias_argv
[i
], "-a") == 0)
1355 else if (strcmp (alias_argv
[i
], "--") == 0)
1364 if (alias_argv
[0] == NULL
|| command_argv
[0] == NULL
1365 || *alias_argv
[0] == '\0' || *command_argv
[0] == '\0')
1368 for (i
= 0; alias_argv
[i
] != NULL
; ++i
)
1370 if (! valid_user_defined_cmd_name_p (alias_argv
[i
]))
1373 error (_("Invalid command name: %s"), alias_argv
[i
]);
1375 error (_("Invalid command element name: %s"), alias_argv
[i
]);
1379 alias_argc
= countargv (alias_argv
);
1380 command_argc
= countargv (command_argv
);
1382 /* COMMAND must exist.
1383 Reconstruct the command to remove any extraneous spaces,
1384 for better error messages. */
1385 command_dyn_string
= argv_to_dyn_string (command_argv
, command_argc
);
1386 make_cleanup_dyn_string_delete (command_dyn_string
);
1387 command
= dyn_string_buf (command_dyn_string
);
1388 if (! valid_command_p (command
))
1389 error (_("Invalid command to alias to: %s"), command
);
1391 /* ALIAS must not exist. */
1392 alias_dyn_string
= argv_to_dyn_string (alias_argv
, alias_argc
);
1393 make_cleanup_dyn_string_delete (alias_dyn_string
);
1394 alias
= dyn_string_buf (alias_dyn_string
);
1395 if (valid_command_p (alias
))
1396 error (_("Alias already exists: %s"), alias
);
1398 /* If ALIAS is one word, it is an alias for the entire COMMAND.
1399 Example: alias spe = set print elements
1401 Otherwise ALIAS and COMMAND must have the same number of words,
1402 and every word except the last must match; and the last word of
1403 ALIAS is made an alias of the last word of COMMAND.
1404 Example: alias set print elms = set pr elem
1405 Note that unambiguous abbreviations are allowed. */
1407 if (alias_argc
== 1)
1409 /* add_cmd requires *we* allocate space for name, hence the xstrdup. */
1410 add_com_alias (xstrdup (alias_argv
[0]), command
, class_alias
,
1415 dyn_string_t alias_prefix_dyn_string
, command_prefix_dyn_string
;
1416 const char *alias_prefix
, *command_prefix
;
1417 struct cmd_list_element
*c_alias
, *c_command
;
1419 if (alias_argc
!= command_argc
)
1420 error (_("Mismatched command length between ALIAS and COMMAND."));
1422 /* Create copies of ALIAS and COMMAND without the last word,
1423 and use that to verify the leading elements match. */
1424 alias_prefix_dyn_string
=
1425 argv_to_dyn_string (alias_argv
, alias_argc
- 1);
1426 make_cleanup_dyn_string_delete (alias_prefix_dyn_string
);
1427 command_prefix_dyn_string
=
1428 argv_to_dyn_string (alias_argv
, command_argc
- 1);
1429 make_cleanup_dyn_string_delete (command_prefix_dyn_string
);
1430 alias_prefix
= dyn_string_buf (alias_prefix_dyn_string
);
1431 command_prefix
= dyn_string_buf (command_prefix_dyn_string
);
1433 c_command
= lookup_cmd_1 (& command_prefix
, cmdlist
, NULL
, 1);
1434 /* We've already tried to look up COMMAND. */
1435 gdb_assert (c_command
!= NULL
1436 && c_command
!= (struct cmd_list_element
*) -1);
1437 gdb_assert (c_command
->prefixlist
!= NULL
);
1438 c_alias
= lookup_cmd_1 (& alias_prefix
, cmdlist
, NULL
, 1);
1439 if (c_alias
!= c_command
)
1440 error (_("ALIAS and COMMAND prefixes do not match."));
1442 /* add_cmd requires *we* allocate space for name, hence the xstrdup. */
1443 add_alias_cmd (xstrdup (alias_argv
[alias_argc
- 1]),
1444 command_argv
[command_argc
- 1],
1445 class_alias
, abbrev_flag
, c_command
->prefixlist
);
1448 do_cleanups (cleanup
);
1451 /* Print a list of files and line numbers which a user may choose from
1452 in order to list a function which was specified ambiguously (as
1453 with `list classname::overloadedfuncname', for example). The
1454 vector in SALS provides the filenames and line numbers. */
1457 ambiguous_line_spec (struct symtabs_and_lines
*sals
)
1461 for (i
= 0; i
< sals
->nelts
; ++i
)
1462 printf_filtered (_("file: \"%s\", line number: %d\n"),
1463 symtab_to_filename_for_display (sals
->sals
[i
].symtab
),
1464 sals
->sals
[i
].line
);
1467 /* Sort function for filter_sals. */
1470 compare_symtabs (const void *a
, const void *b
)
1472 const struct symtab_and_line
*sala
= a
;
1473 const struct symtab_and_line
*salb
= b
;
1476 if (!sala
->symtab
->dirname
)
1478 if (salb
->symtab
->dirname
)
1481 else if (!salb
->symtab
->dirname
)
1483 if (sala
->symtab
->dirname
)
1488 r
= filename_cmp (sala
->symtab
->dirname
, salb
->symtab
->dirname
);
1493 r
= filename_cmp (sala
->symtab
->filename
, salb
->symtab
->filename
);
1497 if (sala
->line
< salb
->line
)
1499 return sala
->line
== salb
->line
? 0 : 1;
1502 /* Remove any SALs that do not match the current program space, or
1503 which appear to be "file:line" duplicates. */
1506 filter_sals (struct symtabs_and_lines
*sals
)
1511 for (i
= 0; i
< sals
->nelts
; ++i
)
1513 if (sals
->sals
[i
].pspace
== current_program_space
1514 && sals
->sals
[i
].symtab
!= NULL
)
1516 sals
->sals
[out
] = sals
->sals
[i
];
1522 qsort (sals
->sals
, sals
->nelts
, sizeof (struct symtab_and_line
),
1527 for (i
= 1; i
< sals
->nelts
; ++i
)
1529 if (compare_symtabs (&sals
->sals
[prev
], &sals
->sals
[i
]))
1531 /* Symtabs differ. */
1532 sals
->sals
[out
] = sals
->sals
[i
];
1538 if (sals
->nelts
== 0)
1548 set_debug (char *arg
, int from_tty
)
1550 printf_unfiltered (_("\"set debug\" must be followed by "
1551 "the name of a debug subcommand.\n"));
1552 help_list (setdebuglist
, "set debug ", -1, gdb_stdout
);
1556 show_debug (char *args
, int from_tty
)
1558 cmd_show_list (showdebuglist
, from_tty
, "");
1562 init_cmd_lists (void)
1564 max_user_call_depth
= 1024;
1578 showhistlist
= NULL
;
1579 unsethistlist
= NULL
;
1580 maintenancelist
= NULL
;
1581 maintenanceinfolist
= NULL
;
1582 maintenanceprintlist
= NULL
;
1583 setprintlist
= NULL
;
1584 showprintlist
= NULL
;
1585 setchecklist
= NULL
;
1586 showchecklist
= NULL
;
1590 show_info_verbose (struct ui_file
*file
, int from_tty
,
1591 struct cmd_list_element
*c
,
1595 fprintf_filtered (file
,
1596 _("Verbose printing of informational messages is %s.\n"),
1599 fprintf_filtered (file
, _("Verbosity is %s.\n"), value
);
1603 show_history_expansion_p (struct ui_file
*file
, int from_tty
,
1604 struct cmd_list_element
*c
, const char *value
)
1606 fprintf_filtered (file
, _("History expansion on command input is %s.\n"),
1611 show_baud_rate (struct ui_file
*file
, int from_tty
,
1612 struct cmd_list_element
*c
, const char *value
)
1614 fprintf_filtered (file
, _("Baud rate for remote serial I/O is %s.\n"),
1619 show_remote_debug (struct ui_file
*file
, int from_tty
,
1620 struct cmd_list_element
*c
, const char *value
)
1622 fprintf_filtered (file
, _("Debugging of remote protocol is %s.\n"),
1627 show_remote_timeout (struct ui_file
*file
, int from_tty
,
1628 struct cmd_list_element
*c
, const char *value
)
1630 fprintf_filtered (file
,
1631 _("Timeout limit to wait for target to respond is %s.\n"),
1636 show_max_user_call_depth (struct ui_file
*file
, int from_tty
,
1637 struct cmd_list_element
*c
, const char *value
)
1639 fprintf_filtered (file
,
1640 _("The max call depth for user-defined commands is %s.\n"),
1646 initialize_file_ftype _initialize_cli_cmds
;
1649 _initialize_cli_cmds (void)
1651 struct cmd_list_element
*c
;
1653 /* Define the classes of commands.
1654 They will appear in the help list in alphabetical order. */
1656 add_cmd ("internals", class_maintenance
, NULL
, _("\
1657 Maintenance commands.\n\
1658 Some gdb commands are provided just for use by gdb maintainers.\n\
1659 These commands are subject to frequent change, and may not be as\n\
1660 well documented as user commands."),
1662 add_cmd ("obscure", class_obscure
, NULL
, _("Obscure features."), &cmdlist
);
1663 add_cmd ("aliases", class_alias
, NULL
,
1664 _("Aliases of other commands."), &cmdlist
);
1665 add_cmd ("user-defined", class_user
, NULL
, _("\
1666 User-defined commands.\n\
1667 The commands in this class are those defined by the user.\n\
1668 Use the \"define\" command to define a command."), &cmdlist
);
1669 add_cmd ("support", class_support
, NULL
, _("Support facilities."), &cmdlist
);
1671 add_cmd ("status", class_info
, NULL
, _("Status inquiries."), &cmdlist
);
1672 add_cmd ("files", class_files
, NULL
, _("Specifying and examining files."),
1674 add_cmd ("breakpoints", class_breakpoint
, NULL
,
1675 _("Making program stop at certain points."), &cmdlist
);
1676 add_cmd ("data", class_vars
, NULL
, _("Examining data."), &cmdlist
);
1677 add_cmd ("stack", class_stack
, NULL
, _("\
1678 Examining the stack.\n\
1679 The stack is made up of stack frames. Gdb assigns numbers to stack frames\n\
1680 counting from zero for the innermost (currently executing) frame.\n\n\
1681 At any time gdb identifies one frame as the \"selected\" frame.\n\
1682 Variable lookups are done with respect to the selected frame.\n\
1683 When the program being debugged stops, gdb selects the innermost frame.\n\
1684 The commands below can be used to select other frames by number or address."),
1686 add_cmd ("running", class_run
, NULL
, _("Running the program."), &cmdlist
);
1688 /* Define general commands. */
1690 add_com ("pwd", class_files
, pwd_command
, _("\
1691 Print working directory. This is used for your program as well."));
1693 c
= add_cmd ("cd", class_files
, cd_command
, _("\
1694 Set working directory to DIR for debugger and program being debugged.\n\
1695 The change does not take effect for the program being debugged\n\
1696 until the next time it is started."), &cmdlist
);
1697 set_cmd_completer (c
, filename_completer
);
1699 add_com ("echo", class_support
, echo_command
, _("\
1700 Print a constant string. Give string as argument.\n\
1701 C escape sequences may be used in the argument.\n\
1702 No newline is added at the end of the argument;\n\
1703 use \"\\n\" if you want a newline to be printed.\n\
1704 Since leading and trailing whitespace are ignored in command arguments,\n\
1705 if you want to print some you must use \"\\\" before leading whitespace\n\
1706 to be printed or after trailing whitespace."));
1708 add_setshow_enum_cmd ("script-extension", class_support
,
1709 script_ext_enums
, &script_ext_mode
, _("\
1710 Set mode for script filename extension recognition."), _("\
1711 Show mode for script filename extension recognition."), _("\
1712 off == no filename extension recognition (all sourced files are GDB scripts)\n\
1713 soft == evaluate script according to filename extension, fallback to GDB script"
1715 strict == evaluate script according to filename extension, error if not supported"
1718 show_script_ext_mode
,
1719 &setlist
, &showlist
);
1721 add_com ("quit", class_support
, quit_command
, _("Exit gdb."));
1722 c
= add_com ("help", class_support
, help_command
,
1723 _("Print list of commands."));
1724 set_cmd_completer (c
, command_completer
);
1725 add_com_alias ("q", "quit", class_support
, 1);
1726 add_com_alias ("h", "help", class_support
, 1);
1728 add_setshow_boolean_cmd ("verbose", class_support
, &info_verbose
, _("\
1729 Set verbosity."), _("\
1730 Show verbosity."), NULL
,
1733 &setlist
, &showlist
);
1735 add_prefix_cmd ("history", class_support
, set_history
,
1736 _("Generic command for setting command history parameters."),
1737 &sethistlist
, "set history ", 0, &setlist
);
1738 add_prefix_cmd ("history", class_support
, show_history
,
1739 _("Generic command for showing command history parameters."),
1740 &showhistlist
, "show history ", 0, &showlist
);
1742 add_setshow_boolean_cmd ("expansion", no_class
, &history_expansion_p
, _("\
1743 Set history expansion on command input."), _("\
1744 Show history expansion on command input."), _("\
1745 Without an argument, history expansion is enabled."),
1747 show_history_expansion_p
,
1748 &sethistlist
, &showhistlist
);
1750 add_prefix_cmd ("info", class_info
, info_command
, _("\
1751 Generic command for showing things about the program being debugged."),
1752 &infolist
, "info ", 0, &cmdlist
);
1753 add_com_alias ("i", "info", class_info
, 1);
1754 add_com_alias ("inf", "info", class_info
, 1);
1756 add_com ("complete", class_obscure
, complete_command
,
1757 _("List the completions for the rest of the line as a command."));
1759 add_prefix_cmd ("show", class_info
, show_command
, _("\
1760 Generic command for showing things about the debugger."),
1761 &showlist
, "show ", 0, &cmdlist
);
1762 /* Another way to get at the same thing. */
1763 add_info ("set", show_command
, _("Show all GDB settings."));
1765 add_cmd ("commands", no_set_class
, show_commands
, _("\
1766 Show the history of commands you typed.\n\
1767 You can supply a command number to start with, or a `+' to start after\n\
1768 the previous command number shown."),
1771 add_cmd ("version", no_set_class
, show_version
,
1772 _("Show what version of GDB this is."), &showlist
);
1774 add_cmd ("configuration", no_set_class
, show_configuration
,
1775 _("Show how GDB was configured at build time."), &showlist
);
1777 /* If target is open when baud changes, it doesn't take effect until
1778 the next open (I think, not sure). */
1779 add_setshow_zinteger_cmd ("remotebaud", no_class
, &baud_rate
, _("\
1780 Set baud rate for remote serial I/O."), _("\
1781 Show baud rate for remote serial I/O."), _("\
1782 This value is used to set the speed of the serial port when debugging\n\
1783 using remote targets."),
1786 &setlist
, &showlist
);
1788 add_setshow_zinteger_cmd ("remote", no_class
, &remote_debug
, _("\
1789 Set debugging of remote protocol."), _("\
1790 Show debugging of remote protocol."), _("\
1791 When enabled, each packet sent or received with the remote target\n\
1795 &setdebuglist
, &showdebuglist
);
1797 add_setshow_zuinteger_unlimited_cmd ("remotetimeout", no_class
,
1798 &remote_timeout
, _("\
1799 Set timeout limit to wait for target to respond."), _("\
1800 Show timeout limit to wait for target to respond."), _("\
1801 This value is used to set the time limit for gdb to wait for a response\n\
1804 show_remote_timeout
,
1805 &setlist
, &showlist
);
1807 add_prefix_cmd ("debug", no_class
, set_debug
,
1808 _("Generic command for setting gdb debugging flags"),
1809 &setdebuglist
, "set debug ", 0, &setlist
);
1811 add_prefix_cmd ("debug", no_class
, show_debug
,
1812 _("Generic command for showing gdb debugging flags"),
1813 &showdebuglist
, "show debug ", 0, &showlist
);
1815 c
= add_com ("shell", class_support
, shell_escape
, _("\
1816 Execute the rest of the line as a shell command.\n\
1817 With no arguments, run an inferior shell."));
1818 set_cmd_completer (c
, filename_completer
);
1820 c
= add_com ("edit", class_files
, edit_command
, _("\
1821 Edit specified file or function.\n\
1822 With no argument, edits file containing most recent line listed.\n\
1823 Editing targets can be specified in these ways:\n\
1824 FILE:LINENUM, to edit at that line in that file,\n\
1825 FUNCTION, to edit at the beginning of that function,\n\
1826 FILE:FUNCTION, to distinguish among like-named static functions.\n\
1827 *ADDRESS, to edit at the line containing that address.\n\
1828 Uses EDITOR environment variable contents as editor (or ex as default)."));
1830 c
->completer
= location_completer
;
1832 add_com ("list", class_files
, list_command
, _("\
1833 List specified function or line.\n\
1834 With no argument, lists ten more lines after or around previous listing.\n\
1835 \"list -\" lists the ten lines before a previous ten-line listing.\n\
1836 One argument specifies a line, and ten lines are listed around that line.\n\
1837 Two arguments with comma between specify starting and ending lines to list.\n\
1838 Lines can be specified in these ways:\n\
1839 LINENUM, to list around that line in current file,\n\
1840 FILE:LINENUM, to list around that line in that file,\n\
1841 FUNCTION, to list around beginning of that function,\n\
1842 FILE:FUNCTION, to distinguish among like-named static functions.\n\
1843 *ADDRESS, to list around the line containing that address.\n\
1844 With two args if one is empty it stands for ten lines away from \
1848 add_com_alias ("l", "list", class_files
, 1);
1850 add_com_alias ("v", "list", class_files
, 1);
1853 add_com_alias ("file", "list", class_files
, 1);
1855 c
= add_com ("disassemble", class_vars
, disassemble_command
, _("\
1856 Disassemble a specified section of memory.\n\
1857 Default is the function surrounding the pc of the selected frame.\n\
1858 With a /m modifier, source lines are included (if available).\n\
1859 With a /r modifier, raw instructions in hex are included.\n\
1860 With a single argument, the function surrounding that address is dumped.\n\
1861 Two arguments (separated by a comma) are taken as a range of memory to dump,\n\
1862 in the form of \"start,end\", or \"start,+length\".\n\
1864 Note that the address is interpreted as an expression, not as a location\n\
1865 like in the \"break\" command.\n\
1866 So, for example, if you want to disassemble function bar in file foo.c\n\
1867 you must type \"disassemble 'foo.c'::bar\" and not \"disassemble foo.c:bar\"."));
1868 set_cmd_completer (c
, location_completer
);
1870 add_com_alias ("va", "disassemble", class_xdb
, 0);
1872 add_com_alias ("!", "shell", class_support
, 0);
1874 c
= add_com ("make", class_support
, make_command
, _("\
1875 Run the ``make'' program using the rest of the line as arguments."));
1876 set_cmd_completer (c
, filename_completer
);
1877 add_cmd ("user", no_class
, show_user
, _("\
1878 Show definitions of non-python user defined commands.\n\
1879 Argument is the name of the user defined command.\n\
1880 With no argument, show definitions of all user defined commands."), &showlist
);
1881 add_com ("apropos", class_support
, apropos_command
,
1882 _("Search for commands matching a REGEXP"));
1884 add_setshow_uinteger_cmd ("max-user-call-depth", no_class
,
1885 &max_user_call_depth
, _("\
1886 Set the max call depth for non-python user-defined commands."), _("\
1887 Show the max call depth for non-python user-defined commands."), NULL
,
1889 show_max_user_call_depth
,
1890 &setlist
, &showlist
);
1892 add_setshow_boolean_cmd ("trace-commands", no_class
, &trace_commands
, _("\
1893 Set tracing of GDB CLI commands."), _("\
1894 Show state of GDB CLI command tracing."), _("\
1895 When 'on', each command is displayed as it is executed."),
1898 &setlist
, &showlist
);
1900 c
= add_com ("alias", class_support
, alias_command
, _("\
1901 Define a new command that is an alias of an existing command.\n\
1902 Usage: alias [-a] [--] ALIAS = COMMAND\n\
1903 ALIAS is the name of the alias command to create.\n\
1904 COMMAND is the command being aliased to.\n\
1905 If \"-a\" is specified, the command is an abbreviation,\n\
1906 and will not appear in help command list output.\n\
1909 Make \"spe\" an alias of \"set print elements\":\n\
1910 alias spe = set print elements\n\
1911 Make \"elms\" an alias of \"elements\" in the \"set print\" command:\n\
1912 alias -a set print elms = set print elements"));
1916 init_cli_cmds (void)
1918 struct cmd_list_element
*c
;
1919 char *source_help_text
;
1921 source_help_text
= xstrprintf (_("\
1922 Read commands from a file named FILE.\n\
1924 Usage: source [-s] [-v] FILE\n\
1925 -s: search for the script in the source search path,\n\
1926 even if FILE contains directories.\n\
1927 -v: each command in FILE is echoed as it is executed.\n\
1929 Note that the file \"%s\" is read automatically in this way\n\
1930 when GDB is started."), gdbinit
);
1931 c
= add_cmd ("source", class_support
, source_command
,
1932 source_help_text
, &cmdlist
);
1933 set_cmd_completer (c
, filename_completer
);