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
)
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");
318 /* Handle the quit command. */
321 quit_command (char *args
, int from_tty
)
323 if (!quit_confirm ())
324 error (_("Not confirmed."));
326 disconnect_tracing (from_tty
);
328 quit_force (args
, from_tty
);
332 pwd_command (char *args
, int from_tty
)
335 error (_("The \"pwd\" command does not take an argument: %s"), args
);
336 if (! getcwd (gdb_dirbuf
, sizeof (gdb_dirbuf
)))
337 error (_("Error finding name of working directory: %s"),
338 safe_strerror (errno
));
340 if (strcmp (gdb_dirbuf
, current_directory
) != 0)
341 printf_unfiltered (_("Working directory %s\n (canonically %s).\n"),
342 current_directory
, gdb_dirbuf
);
344 printf_unfiltered (_("Working directory %s.\n"), current_directory
);
348 cd_command (char *dir
, int from_tty
)
351 /* Found something other than leading repetitions of "/..". */
355 /* If the new directory is absolute, repeat is a no-op; if relative,
356 repeat might be useful but is more likely to be a mistake. */
362 dir
= tilde_expand (dir
);
363 make_cleanup (xfree
, dir
);
366 perror_with_name (dir
);
368 #ifdef HAVE_DOS_BASED_FILE_SYSTEM
369 /* There's too much mess with DOSish names like "d:", "d:.",
370 "d:./foo" etc. Instead of having lots of special #ifdef'ed code,
371 simply get the canonicalized name of the current directory. */
372 dir
= getcwd (gdb_dirbuf
, sizeof (gdb_dirbuf
));
376 if (IS_DIR_SEPARATOR (dir
[len
- 1]))
378 /* Remove the trailing slash unless this is a root directory
379 (including a drive letter on non-Unix systems). */
380 if (!(len
== 1) /* "/" */
381 #ifdef HAVE_DOS_BASED_FILE_SYSTEM
382 && !(len
== 3 && dir
[1] == ':') /* "d:/" */
388 dir
= savestring (dir
, len
);
389 if (IS_ABSOLUTE_PATH (dir
))
390 current_directory
= dir
;
393 if (IS_DIR_SEPARATOR (current_directory
[strlen (current_directory
) - 1]))
394 current_directory
= concat (current_directory
, dir
, (char *)NULL
);
396 current_directory
= concat (current_directory
, SLASH_STRING
,
401 /* Now simplify any occurrences of `.' and `..' in the pathname. */
404 for (p
= current_directory
; *p
;)
406 if (IS_DIR_SEPARATOR (p
[0]) && p
[1] == '.'
407 && (p
[2] == 0 || IS_DIR_SEPARATOR (p
[2])))
408 memmove (p
, p
+ 2, strlen (p
+ 2) + 1);
409 else if (IS_DIR_SEPARATOR (p
[0]) && p
[1] == '.' && p
[2] == '.'
410 && (p
[3] == 0 || IS_DIR_SEPARATOR (p
[3])))
414 /* Search backwards for the directory just before the "/.."
415 and obliterate it and the "/..". */
418 while (q
!= current_directory
&& !IS_DIR_SEPARATOR (q
[-1]))
421 if (q
== current_directory
)
422 /* current_directory is
423 a relative pathname ("can't happen"--leave it alone). */
427 memmove (q
- 1, p
+ 3, strlen (p
+ 3) + 1);
432 /* We are dealing with leading repetitions of "/..", for
433 example "/../..", which is the Mach super-root. */
443 forget_cached_source_info ();
446 pwd_command ((char *) 0, 1);
449 /* Show the current value of the 'script-extension' option. */
452 show_script_ext_mode (struct ui_file
*file
, int from_tty
,
453 struct cmd_list_element
*c
, const char *value
)
455 fprintf_filtered (file
,
456 _("Script filename extension recognition is \"%s\".\n"),
460 /* Try to open SCRIPT_FILE.
461 If successful, the full path name is stored in *FULL_PATHP,
462 the stream is stored in *STREAMP, and return 1.
463 The caller is responsible for freeing *FULL_PATHP.
464 If not successful, return 0; errno is set for the last file
467 If SEARCH_PATH is non-zero, and the file isn't found in cwd,
468 search for it in the source search path.
470 NOTE: This calls openp which uses xfullpath to compute the full path
471 instead of gdb_realpath. Symbolic links are not resolved. */
474 find_and_open_script (const char *script_file
, int search_path
,
475 FILE **streamp
, char **full_pathp
)
479 struct cleanup
*old_cleanups
;
480 int search_flags
= OPF_TRY_CWD_FIRST
;
482 file
= tilde_expand (script_file
);
483 old_cleanups
= make_cleanup (xfree
, file
);
486 search_flags
|= OPF_SEARCH_IN_PATH
;
488 /* Search for and open 'file' on the search path used for source
489 files. Put the full location in *FULL_PATHP. */
490 fd
= openp (source_path
, search_flags
,
491 file
, O_RDONLY
, full_pathp
);
495 int save_errno
= errno
;
496 do_cleanups (old_cleanups
);
501 do_cleanups (old_cleanups
);
503 *streamp
= fdopen (fd
, FOPEN_RT
);
504 if (*streamp
== NULL
)
506 int save_errno
= errno
;
518 /* Load script FILE, which has already been opened as STREAM. */
521 source_script_from_stream (FILE *stream
, const char *file
)
523 if (script_ext_mode
!= script_ext_off
524 && strlen (file
) > 3 && !strcmp (&file
[strlen (file
) - 3], ".py"))
526 volatile struct gdb_exception e
;
528 TRY_CATCH (e
, RETURN_MASK_ERROR
)
530 source_python_script (stream
, file
);
534 /* Should we fallback to ye olde GDB script mode? */
535 if (script_ext_mode
== script_ext_soft
536 && e
.reason
== RETURN_ERROR
&& e
.error
== UNSUPPORTED_ERROR
)
538 fseek (stream
, 0, SEEK_SET
);
539 script_from_file (stream
, (char*) file
);
543 /* Nope, just punt. */
549 script_from_file (stream
, file
);
552 /* Worker to perform the "source" command.
554 If SEARCH_PATH is non-zero, and the file isn't found in cwd,
555 search for it in the source search path. */
558 source_script_with_search (const char *file
, int from_tty
, int search_path
)
562 struct cleanup
*old_cleanups
;
564 if (file
== NULL
|| *file
== 0)
565 error (_("source command requires file name of file to source."));
567 if (!find_and_open_script (file
, search_path
, &stream
, &full_path
))
569 /* The script wasn't found, or was otherwise inaccessible.
570 If the source command was invoked interactively, throw an
571 error. Otherwise (e.g. if it was invoked by a script),
572 silently ignore the error. */
574 perror_with_name (file
);
579 old_cleanups
= make_cleanup (xfree
, full_path
);
580 make_cleanup_fclose (stream
);
581 /* The python support reopens the file, so we need to pass full_path here
582 in case the file was found on the search path. It's useful to do this
583 anyway so that error messages show the actual file used. But only do
584 this if we (may have) used search_path, as printing the full path in
585 errors for the non-search case can be more noise than signal. */
586 source_script_from_stream (stream
, search_path
? full_path
: file
);
587 do_cleanups (old_cleanups
);
590 /* Wrapper around source_script_with_search to export it to main.c
591 for use in loading .gdbinit scripts. */
594 source_script (char *file
, int from_tty
)
596 source_script_with_search (file
, from_tty
, 0);
599 /* Return the source_verbose global variable to its previous state
600 on exit from the source command, by whatever means. */
602 source_verbose_cleanup (void *old_value
)
604 source_verbose
= *(int *)old_value
;
609 source_command (char *args
, int from_tty
)
611 struct cleanup
*old_cleanups
;
613 int *old_source_verbose
= xmalloc (sizeof(int));
616 *old_source_verbose
= source_verbose
;
617 old_cleanups
= make_cleanup (source_verbose_cleanup
,
620 /* -v causes the source command to run in verbose mode.
621 -s causes the file to be searched in the source search path,
622 even if the file name contains a '/'.
623 We still have to be able to handle filenames with spaces in a
624 backward compatible way, so buildargv is not appropriate. */
628 while (args
[0] != '\0')
630 /* Make sure leading white space does not break the
632 while (isspace(args
[0]))
638 if (args
[1] == 'v' && isspace (args
[2]))
642 /* Skip passed -v. */
645 else if (args
[1] == 's' && isspace (args
[2]))
649 /* Skip passed -s. */
656 while (isspace (args
[0]))
661 source_script_with_search (file
, from_tty
, search_path
);
663 do_cleanups (old_cleanups
);
668 echo_command (char *text
, int from_tty
)
674 while ((c
= *p
++) != '\0')
678 /* \ at end of argument is used after spaces
679 so they won't be lost. */
683 c
= parse_escape (get_current_arch (), &p
);
685 printf_filtered ("%c", c
);
688 printf_filtered ("%c", c
);
691 /* Force this output to appear now. */
693 gdb_flush (gdb_stdout
);
697 shell_escape (char *arg
, int from_tty
)
699 #if defined(CANT_FORK) || \
700 (!defined(HAVE_WORKING_VFORK) && !defined(HAVE_WORKING_FORK))
701 /* If ARG is NULL, they want an inferior shell, but `system' just
702 reports if the shell is available when passed a NULL arg. */
703 int rc
= system (arg
? arg
: "");
706 arg
= "inferior shell";
710 fprintf_unfiltered (gdb_stderr
, "Cannot execute %s: %s\n", arg
,
711 safe_strerror (errno
));
712 gdb_flush (gdb_stderr
);
716 fprintf_unfiltered (gdb_stderr
, "%s exited with status %d\n", arg
, rc
);
717 gdb_flush (gdb_stderr
);
720 /* Make sure to return to the directory GDB thinks it is, in case
721 the shell command we just ran changed it. */
722 chdir (current_directory
);
724 #else /* Can fork. */
727 if ((pid
= vfork ()) == 0)
729 const char *p
, *user_shell
;
731 if ((user_shell
= (char *) getenv ("SHELL")) == NULL
)
732 user_shell
= "/bin/sh";
734 /* Get the name of the shell for arg0. */
735 p
= lbasename (user_shell
);
738 execl (user_shell
, p
, (char *) 0);
740 execl (user_shell
, p
, "-c", arg
, (char *) 0);
742 fprintf_unfiltered (gdb_stderr
, "Cannot execute %s: %s\n", user_shell
,
743 safe_strerror (errno
));
744 gdb_flush (gdb_stderr
);
749 waitpid (pid
, &status
, 0);
751 error (_("Fork failed"));
752 #endif /* Can fork. */
756 edit_command (char *arg
, int from_tty
)
758 struct symtabs_and_lines sals
;
759 struct symtab_and_line sal
;
766 /* Pull in the current default source line if necessary. */
769 set_default_source_symtab_and_line ();
770 sal
= get_current_source_symtab_and_line ();
773 /* Bare "edit" edits file with present line. */
778 error (_("No default source file yet."));
779 sal
.line
+= get_lines_to_list () / 2;
783 /* Now should only be one argument -- decode it in SAL. */
786 sals
= decode_line_1 (&arg1
, DECODE_LINE_LIST_MODE
, 0, 0);
796 ambiguous_line_spec (&sals
);
805 error (_("Junk at end of line specification."));
807 /* If line was specified by address, first print exactly which
808 line, and which file. In this case, sal.symtab == 0 means
809 address is outside of all known source files, not that user
810 failed to give a filename. */
813 struct gdbarch
*gdbarch
;
816 /* FIXME-32x64--assumes sal.pc fits in long. */
817 error (_("No source file for address %s."),
818 hex_string ((unsigned long) sal
.pc
));
820 gdbarch
= get_objfile_arch (sal
.symtab
->objfile
);
821 sym
= find_pc_function (sal
.pc
);
823 printf_filtered ("%s is in %s (%s:%d).\n",
824 paddress (gdbarch
, sal
.pc
),
825 SYMBOL_PRINT_NAME (sym
),
826 sal
.symtab
->filename
, sal
.line
);
828 printf_filtered ("%s is at %s:%d.\n",
829 paddress (gdbarch
, sal
.pc
),
830 sal
.symtab
->filename
, sal
.line
);
833 /* If what was given does not imply a symtab, it must be an
834 undebuggable symbol which means no source code. */
837 error (_("No line number known for %s."), arg
);
840 if ((editor
= (char *) getenv ("EDITOR")) == NULL
)
843 fn
= symtab_to_fullname (sal
.symtab
);
845 /* Quote the file name, in case it has whitespace or other special
847 p
= xstrprintf ("%s +%d \"%s\"", editor
, sal
.line
, fn
);
848 shell_escape (p
, from_tty
);
853 list_command (char *arg
, int from_tty
)
855 struct symtabs_and_lines sals
, sals_end
;
856 struct symtab_and_line sal
= { 0 };
857 struct symtab_and_line sal_end
= { 0 };
858 struct symtab_and_line cursal
= { 0 };
867 /* Pull in the current default source line if necessary. */
868 if (arg
== 0 || arg
[0] == '+' || arg
[0] == '-')
870 set_default_source_symtab_and_line ();
871 cursal
= get_current_source_symtab_and_line ();
874 /* "l" or "l +" lists next ten lines. */
876 if (arg
== 0 || strcmp (arg
, "+") == 0)
878 print_source_lines (cursal
.symtab
, cursal
.line
,
879 cursal
.line
+ get_lines_to_list (), 0);
883 /* "l -" lists previous ten lines, the ones before the ten just
885 if (strcmp (arg
, "-") == 0)
887 print_source_lines (cursal
.symtab
,
888 max (get_first_line_listed ()
889 - get_lines_to_list (), 1),
890 get_first_line_listed (), 0);
894 /* Now if there is only one argument, decode it in SAL
896 If there are two arguments, decode them in SAL and SAL_END
897 and clear NO_END; however, if one of the arguments is blank,
898 set DUMMY_BEG or DUMMY_END to record that fact. */
900 if (!have_full_symbols () && !have_partial_symbols ())
901 error (_("No symbol table is loaded. Use the \"file\" command."));
908 sals
= decode_line_1 (&arg1
, DECODE_LINE_LIST_MODE
, 0, 0);
915 ambiguous_line_spec (&sals
);
924 /* Record whether the BEG arg is all digits. */
926 for (p
= arg
; p
!= arg1
&& *p
>= '0' && *p
<= '9'; p
++);
927 linenum_beg
= (p
== arg1
);
929 while (*arg1
== ' ' || *arg1
== '\t')
935 while (*arg1
== ' ' || *arg1
== '\t')
942 sals_end
= decode_line_1 (&arg1
, DECODE_LINE_LIST_MODE
, 0, 0);
944 sals_end
= decode_line_1 (&arg1
, DECODE_LINE_LIST_MODE
,
945 sal
.symtab
, sal
.line
);
946 filter_sals (&sals_end
);
947 if (sals_end
.nelts
== 0)
949 if (sals_end
.nelts
> 1)
951 ambiguous_line_spec (&sals_end
);
952 xfree (sals_end
.sals
);
955 sal_end
= sals_end
.sals
[0];
956 xfree (sals_end
.sals
);
961 error (_("Junk at end of line specification."));
963 if (!no_end
&& !dummy_beg
&& !dummy_end
964 && sal
.symtab
!= sal_end
.symtab
)
965 error (_("Specified start and end are in different files."));
966 if (dummy_beg
&& dummy_end
)
967 error (_("Two empty args do not say what lines to list."));
969 /* If line was specified by address,
970 first print exactly which line, and which file.
972 In this case, sal.symtab == 0 means address is outside of all
973 known source files, not that user failed to give a filename. */
976 struct gdbarch
*gdbarch
;
979 /* FIXME-32x64--assumes sal.pc fits in long. */
980 error (_("No source file for address %s."),
981 hex_string ((unsigned long) sal
.pc
));
983 gdbarch
= get_objfile_arch (sal
.symtab
->objfile
);
984 sym
= find_pc_function (sal
.pc
);
986 printf_filtered ("%s is in %s (%s:%d).\n",
987 paddress (gdbarch
, sal
.pc
),
988 SYMBOL_PRINT_NAME (sym
),
989 sal
.symtab
->filename
, sal
.line
);
991 printf_filtered ("%s is at %s:%d.\n",
992 paddress (gdbarch
, sal
.pc
),
993 sal
.symtab
->filename
, sal
.line
);
996 /* If line was not specified by just a line number, and it does not
997 imply a symtab, it must be an undebuggable symbol which means no
1000 if (!linenum_beg
&& sal
.symtab
== 0)
1001 error (_("No line number known for %s."), arg
);
1003 /* If this command is repeated with RET,
1004 turn it into the no-arg variant. */
1009 if (dummy_beg
&& sal_end
.symtab
== 0)
1010 error (_("No default source file yet. Do \"help list\"."));
1012 print_source_lines (sal_end
.symtab
,
1013 max (sal_end
.line
- (get_lines_to_list () - 1), 1),
1014 sal_end
.line
+ 1, 0);
1015 else if (sal
.symtab
== 0)
1016 error (_("No default source file yet. Do \"help list\"."));
1019 int first_line
= sal
.line
- get_lines_to_list () / 2;
1021 if (first_line
< 1) first_line
= 1;
1023 print_source_lines (sal
.symtab
,
1025 first_line
+ get_lines_to_list (),
1029 print_source_lines (sal
.symtab
, sal
.line
,
1031 ? sal
.line
+ get_lines_to_list ()
1032 : sal_end
.line
+ 1),
1036 /* Subroutine of disassemble_command to simplify it.
1037 Perform the disassembly.
1038 NAME is the name of the function if known, or NULL.
1039 [LOW,HIGH) are the range of addresses to disassemble.
1040 MIXED is non-zero to print source with the assembler. */
1043 print_disassembly (struct gdbarch
*gdbarch
, const char *name
,
1044 CORE_ADDR low
, CORE_ADDR high
, int flags
)
1047 if (!tui_is_window_visible (DISASSEM_WIN
))
1050 printf_filtered ("Dump of assembler code ");
1052 printf_filtered ("for function %s:\n", name
);
1054 printf_filtered ("from %s to %s:\n",
1055 paddress (gdbarch
, low
), paddress (gdbarch
, high
));
1057 /* Dump the specified range. */
1058 gdb_disassembly (gdbarch
, current_uiout
, 0, flags
, -1, low
, high
);
1060 printf_filtered ("End of assembler dump.\n");
1061 gdb_flush (gdb_stdout
);
1066 tui_show_assembly (gdbarch
, low
);
1071 /* Subroutine of disassemble_command to simplify it.
1072 Print a disassembly of the current function according to FLAGS. */
1075 disassemble_current_function (int flags
)
1077 struct frame_info
*frame
;
1078 struct gdbarch
*gdbarch
;
1079 CORE_ADDR low
, high
, pc
;
1082 frame
= get_selected_frame (_("No frame selected."));
1083 gdbarch
= get_frame_arch (frame
);
1084 pc
= get_frame_address_in_block (frame
);
1085 if (find_pc_partial_function (pc
, &name
, &low
, &high
) == 0)
1086 error (_("No function contains program counter for selected frame."));
1088 /* NOTE: cagney/2003-02-13 The `tui_active' was previously
1091 /* FIXME: cagney/2004-02-07: This should be an observer. */
1092 low
= tui_get_low_disassembly_address (gdbarch
, low
, pc
);
1094 low
+= gdbarch_deprecated_function_start_offset (gdbarch
);
1096 print_disassembly (gdbarch
, name
, low
, high
, flags
);
1099 /* Dump a specified section of assembly code.
1103 - dump the assembly code for the function of the current pc
1104 disassemble [/mr] addr
1105 - dump the assembly code for the function at ADDR
1106 disassemble [/mr] low,high
1107 disassemble [/mr] low,+length
1108 - dump the assembly code in the range [LOW,HIGH), or [LOW,LOW+length)
1110 A /m modifier will include source code with the assembly.
1111 A /r modifier will include raw instructions in hex with the assembly. */
1114 disassemble_command (char *arg
, int from_tty
)
1116 struct gdbarch
*gdbarch
= get_current_arch ();
1117 CORE_ADDR low
, high
;
1125 if (arg
&& *arg
== '/')
1130 error (_("Missing modifier."));
1132 while (*arg
&& ! isspace (*arg
))
1137 flags
|= DISASSEMBLY_SOURCE
;
1140 flags
|= DISASSEMBLY_RAW_INSN
;
1143 error (_("Invalid disassembly modifier."));
1147 while (isspace (*arg
))
1151 if (! arg
|| ! *arg
)
1153 flags
|= DISASSEMBLY_OMIT_FNAME
;
1154 disassemble_current_function (flags
);
1158 pc
= value_as_address (parse_to_comma_and_eval (&arg
));
1164 if (find_pc_partial_function (pc
, &name
, &low
, &high
) == 0)
1165 error (_("No function contains specified address."));
1167 /* NOTE: cagney/2003-02-13 The `tui_active' was previously
1170 /* FIXME: cagney/2004-02-07: This should be an observer. */
1171 low
= tui_get_low_disassembly_address (gdbarch
, low
, pc
);
1173 low
+= gdbarch_deprecated_function_start_offset (gdbarch
);
1174 flags
|= DISASSEMBLY_OMIT_FNAME
;
1178 /* Two arguments. */
1181 while (isspace (*arg
))
1188 high
= parse_and_eval_address (arg
);
1193 print_disassembly (gdbarch
, name
, low
, high
, flags
);
1197 make_command (char *arg
, int from_tty
)
1205 p
= xmalloc (sizeof ("make ") + strlen (arg
));
1206 strcpy (p
, "make ");
1207 strcpy (p
+ sizeof ("make ") - 1, arg
);
1210 shell_escape (p
, from_tty
);
1214 show_user (char *args
, int from_tty
)
1216 struct cmd_list_element
*c
;
1217 extern struct cmd_list_element
*cmdlist
;
1221 char *comname
= args
;
1223 c
= lookup_cmd (&comname
, cmdlist
, "", 0, 1);
1224 /* c->user_commands would be NULL if it's a python command. */
1225 if (c
->class != class_user
|| !c
->user_commands
)
1226 error (_("Not a user command."));
1227 show_user_1 (c
, "", args
, gdb_stdout
);
1231 for (c
= cmdlist
; c
; c
= c
->next
)
1233 if (c
->class == class_user
|| c
->prefixlist
!= NULL
)
1234 show_user_1 (c
, "", c
->name
, gdb_stdout
);
1239 /* Search through names of commands and documentations for a certain
1240 regular expression. */
1243 apropos_command (char *searchstr
, int from_tty
)
1248 if (searchstr
== NULL
)
1249 error (_("REGEXP string is empty"));
1251 code
= regcomp (&pattern
, searchstr
, REG_ICASE
);
1254 struct cleanup
*cleanups
;
1256 cleanups
= make_regfree_cleanup (&pattern
);
1257 apropos_cmd (gdb_stdout
, cmdlist
, &pattern
, "");
1258 do_cleanups (cleanups
);
1262 char *err
= get_regcomp_error (code
, &pattern
);
1264 make_cleanup (xfree
, err
);
1265 error (_("Error in regular expression: %s"), err
);
1269 /* Subroutine of alias_command to simplify it.
1270 Return the first N elements of ARGV flattened back to a string
1271 with a space separating each element.
1272 ARGV may not be NULL.
1273 This does not take care of quoting elements in case they contain spaces
1277 argv_to_dyn_string (char **argv
, int n
)
1280 dyn_string_t result
= dyn_string_new (10);
1282 gdb_assert (argv
!= NULL
);
1283 gdb_assert (n
>= 0 && n
<= countargv (argv
));
1285 for (i
= 0; i
< n
; ++i
)
1288 dyn_string_append_char (result
, ' ');
1289 dyn_string_append_cstr (result
, argv
[i
]);
1295 /* Subroutine of alias_command to simplify it.
1296 Return TRUE if COMMAND exists, unambiguously. Otherwise FALSE. */
1299 valid_command_p (char *command
)
1301 struct cmd_list_element
*c
;
1303 c
= lookup_cmd_1 (& command
, cmdlist
, NULL
, 1);
1305 if (c
== NULL
|| c
== (struct cmd_list_element
*) -1)
1308 /* This is the slightly tricky part.
1309 lookup_cmd_1 will return a pointer to the last part of COMMAND
1310 to match, leaving COMMAND pointing at the remainder. */
1311 while (*command
== ' ' || *command
== '\t')
1313 return *command
== '\0';
1316 /* Make an alias of an existing command. */
1319 alias_command (char *args
, int from_tty
)
1321 int i
, alias_argc
, command_argc
;
1322 int abbrev_flag
= 0;
1323 char *args2
, *equals
, *alias
, *command
;
1324 char **alias_argv
, **command_argv
;
1325 dyn_string_t alias_dyn_string
, command_dyn_string
;
1326 struct cmd_list_element
*c
;
1327 static const char usage
[] = N_("Usage: alias [-a] [--] ALIAS = COMMAND");
1329 if (args
== NULL
|| strchr (args
, '=') == NULL
)
1332 args2
= xstrdup (args
);
1333 make_cleanup (xfree
, args2
);
1334 equals
= strchr (args2
, '=');
1336 alias_argv
= gdb_buildargv (args2
);
1337 make_cleanup_freeargv (alias_argv
);
1338 command_argv
= gdb_buildargv (equals
+ 1);
1339 make_cleanup_freeargv (command_argv
);
1341 for (i
= 0; alias_argv
[i
] != NULL
; )
1343 if (strcmp (alias_argv
[i
], "-a") == 0)
1348 else if (strcmp (alias_argv
[i
], "--") == 0)
1357 if (alias_argv
[0] == NULL
|| command_argv
[0] == NULL
1358 || *alias_argv
[0] == '\0' || *command_argv
[0] == '\0')
1361 for (i
= 0; alias_argv
[i
] != NULL
; ++i
)
1363 if (! valid_user_defined_cmd_name_p (alias_argv
[i
]))
1366 error (_("Invalid command name: %s"), alias_argv
[i
]);
1368 error (_("Invalid command element name: %s"), alias_argv
[i
]);
1372 alias_argc
= countargv (alias_argv
);
1373 command_argc
= countargv (command_argv
);
1375 /* COMMAND must exist.
1376 Reconstruct the command to remove any extraneous spaces,
1377 for better error messages. */
1378 command_dyn_string
= argv_to_dyn_string (command_argv
, command_argc
);
1379 make_cleanup_dyn_string_delete (command_dyn_string
);
1380 command
= dyn_string_buf (command_dyn_string
);
1381 if (! valid_command_p (command
))
1382 error (_("Invalid command to alias to: %s"), command
);
1384 /* ALIAS must not exist. */
1385 alias_dyn_string
= argv_to_dyn_string (alias_argv
, alias_argc
);
1386 make_cleanup_dyn_string_delete (alias_dyn_string
);
1387 alias
= dyn_string_buf (alias_dyn_string
);
1388 if (valid_command_p (alias
))
1389 error (_("Alias already exists: %s"), alias
);
1391 /* If ALIAS is one word, it is an alias for the entire COMMAND.
1392 Example: alias spe = set print elements
1394 Otherwise ALIAS and COMMAND must have the same number of words,
1395 and every word except the last must match; and the last word of
1396 ALIAS is made an alias of the last word of COMMAND.
1397 Example: alias set print elms = set pr elem
1398 Note that unambiguous abbreviations are allowed. */
1400 if (alias_argc
== 1)
1402 /* add_cmd requires *we* allocate space for name, hence the xstrdup. */
1403 add_com_alias (xstrdup (alias_argv
[0]), command
, class_alias
,
1408 dyn_string_t alias_prefix_dyn_string
, command_prefix_dyn_string
;
1409 char *alias_prefix
, *command_prefix
;
1410 struct cmd_list_element
*c_alias
, *c_command
;
1412 if (alias_argc
!= command_argc
)
1413 error (_("Mismatched command length between ALIAS and COMMAND."));
1415 /* Create copies of ALIAS and COMMAND without the last word,
1416 and use that to verify the leading elements match. */
1417 alias_prefix_dyn_string
=
1418 argv_to_dyn_string (alias_argv
, alias_argc
- 1);
1419 make_cleanup_dyn_string_delete (alias_prefix_dyn_string
);
1420 command_prefix_dyn_string
=
1421 argv_to_dyn_string (alias_argv
, command_argc
- 1);
1422 make_cleanup_dyn_string_delete (command_prefix_dyn_string
);
1423 alias_prefix
= dyn_string_buf (alias_prefix_dyn_string
);
1424 command_prefix
= dyn_string_buf (command_prefix_dyn_string
);
1426 c_command
= lookup_cmd_1 (& command_prefix
, cmdlist
, NULL
, 1);
1427 /* We've already tried to look up COMMAND. */
1428 gdb_assert (c_command
!= NULL
1429 && c_command
!= (struct cmd_list_element
*) -1);
1430 gdb_assert (c_command
->prefixlist
!= NULL
);
1431 c_alias
= lookup_cmd_1 (& alias_prefix
, cmdlist
, NULL
, 1);
1432 if (c_alias
!= c_command
)
1433 error (_("ALIAS and COMMAND prefixes do not match."));
1435 /* add_cmd requires *we* allocate space for name, hence the xstrdup. */
1436 add_alias_cmd (xstrdup (alias_argv
[alias_argc
- 1]),
1437 command_argv
[command_argc
- 1],
1438 class_alias
, abbrev_flag
, c_command
->prefixlist
);
1442 /* Print a list of files and line numbers which a user may choose from
1443 in order to list a function which was specified ambiguously (as
1444 with `list classname::overloadedfuncname', for example). The
1445 vector in SALS provides the filenames and line numbers. */
1448 ambiguous_line_spec (struct symtabs_and_lines
*sals
)
1452 for (i
= 0; i
< sals
->nelts
; ++i
)
1453 printf_filtered (_("file: \"%s\", line number: %d\n"),
1454 sals
->sals
[i
].symtab
->filename
, sals
->sals
[i
].line
);
1457 /* Sort function for filter_sals. */
1460 compare_symtabs (const void *a
, const void *b
)
1462 const struct symtab_and_line
*sala
= a
;
1463 const struct symtab_and_line
*salb
= b
;
1466 if (!sala
->symtab
->dirname
)
1468 if (salb
->symtab
->dirname
)
1471 else if (!salb
->symtab
->dirname
)
1473 if (sala
->symtab
->dirname
)
1478 r
= filename_cmp (sala
->symtab
->dirname
, salb
->symtab
->dirname
);
1483 r
= filename_cmp (sala
->symtab
->filename
, salb
->symtab
->filename
);
1487 if (sala
->line
< salb
->line
)
1489 return sala
->line
== salb
->line
? 0 : 1;
1492 /* Remove any SALs that do not match the current program space, or
1493 which appear to be "file:line" duplicates. */
1496 filter_sals (struct symtabs_and_lines
*sals
)
1501 for (i
= 0; i
< sals
->nelts
; ++i
)
1503 if (sals
->sals
[i
].pspace
== current_program_space
1504 && sals
->sals
[i
].symtab
!= NULL
)
1506 sals
->sals
[out
] = sals
->sals
[i
];
1512 qsort (sals
->sals
, sals
->nelts
, sizeof (struct symtab_and_line
),
1517 for (i
= 1; i
< sals
->nelts
; ++i
)
1519 if (compare_symtabs (&sals
->sals
[prev
], &sals
->sals
[i
]))
1521 /* Symtabs differ. */
1522 sals
->sals
[out
] = sals
->sals
[i
];
1528 if (sals
->nelts
== 0)
1538 set_debug (char *arg
, int from_tty
)
1540 printf_unfiltered (_("\"set debug\" must be followed by "
1541 "the name of a debug subcommand.\n"));
1542 help_list (setdebuglist
, "set debug ", -1, gdb_stdout
);
1546 show_debug (char *args
, int from_tty
)
1548 cmd_show_list (showdebuglist
, from_tty
, "");
1552 init_cmd_lists (void)
1554 max_user_call_depth
= 1024;
1568 showhistlist
= NULL
;
1569 unsethistlist
= NULL
;
1570 maintenancelist
= NULL
;
1571 maintenanceinfolist
= NULL
;
1572 maintenanceprintlist
= NULL
;
1573 setprintlist
= NULL
;
1574 showprintlist
= NULL
;
1575 setchecklist
= NULL
;
1576 showchecklist
= NULL
;
1580 show_info_verbose (struct ui_file
*file
, int from_tty
,
1581 struct cmd_list_element
*c
,
1585 fprintf_filtered (file
,
1586 _("Verbose printing of informational messages is %s.\n"),
1589 fprintf_filtered (file
, _("Verbosity is %s.\n"), value
);
1593 show_history_expansion_p (struct ui_file
*file
, int from_tty
,
1594 struct cmd_list_element
*c
, const char *value
)
1596 fprintf_filtered (file
, _("History expansion on command input is %s.\n"),
1601 show_baud_rate (struct ui_file
*file
, int from_tty
,
1602 struct cmd_list_element
*c
, const char *value
)
1604 fprintf_filtered (file
, _("Baud rate for remote serial I/O is %s.\n"),
1609 show_remote_debug (struct ui_file
*file
, int from_tty
,
1610 struct cmd_list_element
*c
, const char *value
)
1612 fprintf_filtered (file
, _("Debugging of remote protocol is %s.\n"),
1617 show_remote_timeout (struct ui_file
*file
, int from_tty
,
1618 struct cmd_list_element
*c
, const char *value
)
1620 fprintf_filtered (file
,
1621 _("Timeout limit to wait for target to respond is %s.\n"),
1626 show_max_user_call_depth (struct ui_file
*file
, int from_tty
,
1627 struct cmd_list_element
*c
, const char *value
)
1629 fprintf_filtered (file
,
1630 _("The max call depth for user-defined commands is %s.\n"),
1636 initialize_file_ftype _initialize_cli_cmds
;
1639 _initialize_cli_cmds (void)
1641 struct cmd_list_element
*c
;
1643 /* Define the classes of commands.
1644 They will appear in the help list in alphabetical order. */
1646 add_cmd ("internals", class_maintenance
, NULL
, _("\
1647 Maintenance commands.\n\
1648 Some gdb commands are provided just for use by gdb maintainers.\n\
1649 These commands are subject to frequent change, and may not be as\n\
1650 well documented as user commands."),
1652 add_cmd ("obscure", class_obscure
, NULL
, _("Obscure features."), &cmdlist
);
1653 add_cmd ("aliases", class_alias
, NULL
,
1654 _("Aliases of other commands."), &cmdlist
);
1655 add_cmd ("user-defined", class_user
, NULL
, _("\
1656 User-defined commands.\n\
1657 The commands in this class are those defined by the user.\n\
1658 Use the \"define\" command to define a command."), &cmdlist
);
1659 add_cmd ("support", class_support
, NULL
, _("Support facilities."), &cmdlist
);
1661 add_cmd ("status", class_info
, NULL
, _("Status inquiries."), &cmdlist
);
1662 add_cmd ("files", class_files
, NULL
, _("Specifying and examining files."),
1664 add_cmd ("breakpoints", class_breakpoint
, NULL
,
1665 _("Making program stop at certain points."), &cmdlist
);
1666 add_cmd ("data", class_vars
, NULL
, _("Examining data."), &cmdlist
);
1667 add_cmd ("stack", class_stack
, NULL
, _("\
1668 Examining the stack.\n\
1669 The stack is made up of stack frames. Gdb assigns numbers to stack frames\n\
1670 counting from zero for the innermost (currently executing) frame.\n\n\
1671 At any time gdb identifies one frame as the \"selected\" frame.\n\
1672 Variable lookups are done with respect to the selected frame.\n\
1673 When the program being debugged stops, gdb selects the innermost frame.\n\
1674 The commands below can be used to select other frames by number or address."),
1676 add_cmd ("running", class_run
, NULL
, _("Running the program."), &cmdlist
);
1678 /* Define general commands. */
1680 add_com ("pwd", class_files
, pwd_command
, _("\
1681 Print working directory. This is used for your program as well."));
1683 c
= add_cmd ("cd", class_files
, cd_command
, _("\
1684 Set working directory to DIR for debugger and program being debugged.\n\
1685 The change does not take effect for the program being debugged\n\
1686 until the next time it is started."), &cmdlist
);
1687 set_cmd_completer (c
, filename_completer
);
1689 add_com ("echo", class_support
, echo_command
, _("\
1690 Print a constant string. Give string as argument.\n\
1691 C escape sequences may be used in the argument.\n\
1692 No newline is added at the end of the argument;\n\
1693 use \"\\n\" if you want a newline to be printed.\n\
1694 Since leading and trailing whitespace are ignored in command arguments,\n\
1695 if you want to print some you must use \"\\\" before leading whitespace\n\
1696 to be printed or after trailing whitespace."));
1698 add_setshow_enum_cmd ("script-extension", class_support
,
1699 script_ext_enums
, &script_ext_mode
, _("\
1700 Set mode for script filename extension recognition."), _("\
1701 Show mode for script filename extension recognition."), _("\
1702 off == no filename extension recognition (all sourced files are GDB scripts)\n\
1703 soft == evaluate script according to filename extension, fallback to GDB script"
1705 strict == evaluate script according to filename extension, error if not supported"
1708 show_script_ext_mode
,
1709 &setlist
, &showlist
);
1711 add_com ("quit", class_support
, quit_command
, _("Exit gdb."));
1712 c
= add_com ("help", class_support
, help_command
,
1713 _("Print list of commands."));
1714 set_cmd_completer (c
, command_completer
);
1715 add_com_alias ("q", "quit", class_support
, 1);
1716 add_com_alias ("h", "help", class_support
, 1);
1718 add_setshow_boolean_cmd ("verbose", class_support
, &info_verbose
, _("\
1719 Set verbosity."), _("\
1720 Show verbosity."), NULL
,
1723 &setlist
, &showlist
);
1725 add_prefix_cmd ("history", class_support
, set_history
,
1726 _("Generic command for setting command history parameters."),
1727 &sethistlist
, "set history ", 0, &setlist
);
1728 add_prefix_cmd ("history", class_support
, show_history
,
1729 _("Generic command for showing command history parameters."),
1730 &showhistlist
, "show history ", 0, &showlist
);
1732 add_setshow_boolean_cmd ("expansion", no_class
, &history_expansion_p
, _("\
1733 Set history expansion on command input."), _("\
1734 Show history expansion on command input."), _("\
1735 Without an argument, history expansion is enabled."),
1737 show_history_expansion_p
,
1738 &sethistlist
, &showhistlist
);
1740 add_prefix_cmd ("info", class_info
, info_command
, _("\
1741 Generic command for showing things about the program being debugged."),
1742 &infolist
, "info ", 0, &cmdlist
);
1743 add_com_alias ("i", "info", class_info
, 1);
1744 add_com_alias ("inf", "info", class_info
, 1);
1746 add_com ("complete", class_obscure
, complete_command
,
1747 _("List the completions for the rest of the line as a command."));
1749 add_prefix_cmd ("show", class_info
, show_command
, _("\
1750 Generic command for showing things about the debugger."),
1751 &showlist
, "show ", 0, &cmdlist
);
1752 /* Another way to get at the same thing. */
1753 add_info ("set", show_command
, _("Show all GDB settings."));
1755 add_cmd ("commands", no_set_class
, show_commands
, _("\
1756 Show the history of commands you typed.\n\
1757 You can supply a command number to start with, or a `+' to start after\n\
1758 the previous command number shown."),
1761 add_cmd ("version", no_set_class
, show_version
,
1762 _("Show what version of GDB this is."), &showlist
);
1764 /* If target is open when baud changes, it doesn't take effect until
1765 the next open (I think, not sure). */
1766 add_setshow_zinteger_cmd ("remotebaud", no_class
, &baud_rate
, _("\
1767 Set baud rate for remote serial I/O."), _("\
1768 Show baud rate for remote serial I/O."), _("\
1769 This value is used to set the speed of the serial port when debugging\n\
1770 using remote targets."),
1773 &setlist
, &showlist
);
1775 add_setshow_zinteger_cmd ("remote", no_class
, &remote_debug
, _("\
1776 Set debugging of remote protocol."), _("\
1777 Show debugging of remote protocol."), _("\
1778 When enabled, each packet sent or received with the remote target\n\
1782 &setdebuglist
, &showdebuglist
);
1784 add_setshow_zuinteger_unlimited_cmd ("remotetimeout", no_class
,
1785 &remote_timeout
, _("\
1786 Set timeout limit to wait for target to respond."), _("\
1787 Show timeout limit to wait for target to respond."), _("\
1788 This value is used to set the time limit for gdb to wait for a response\n\
1791 show_remote_timeout
,
1792 &setlist
, &showlist
);
1794 add_prefix_cmd ("debug", no_class
, set_debug
,
1795 _("Generic command for setting gdb debugging flags"),
1796 &setdebuglist
, "set debug ", 0, &setlist
);
1798 add_prefix_cmd ("debug", no_class
, show_debug
,
1799 _("Generic command for showing gdb debugging flags"),
1800 &showdebuglist
, "show debug ", 0, &showlist
);
1802 c
= add_com ("shell", class_support
, shell_escape
, _("\
1803 Execute the rest of the line as a shell command.\n\
1804 With no arguments, run an inferior shell."));
1805 set_cmd_completer (c
, filename_completer
);
1807 c
= add_com ("edit", class_files
, edit_command
, _("\
1808 Edit specified file or function.\n\
1809 With no argument, edits file containing most recent line listed.\n\
1810 Editing targets can be specified in these ways:\n\
1811 FILE:LINENUM, to edit at that line in that file,\n\
1812 FUNCTION, to edit at the beginning of that function,\n\
1813 FILE:FUNCTION, to distinguish among like-named static functions.\n\
1814 *ADDRESS, to edit at the line containing that address.\n\
1815 Uses EDITOR environment variable contents as editor (or ex as default)."));
1817 c
->completer
= location_completer
;
1819 add_com ("list", class_files
, list_command
, _("\
1820 List specified function or line.\n\
1821 With no argument, lists ten more lines after or around previous listing.\n\
1822 \"list -\" lists the ten lines before a previous ten-line listing.\n\
1823 One argument specifies a line, and ten lines are listed around that line.\n\
1824 Two arguments with comma between specify starting and ending lines to list.\n\
1825 Lines can be specified in these ways:\n\
1826 LINENUM, to list around that line in current file,\n\
1827 FILE:LINENUM, to list around that line in that file,\n\
1828 FUNCTION, to list around beginning of that function,\n\
1829 FILE:FUNCTION, to distinguish among like-named static functions.\n\
1830 *ADDRESS, to list around the line containing that address.\n\
1831 With two args if one is empty it stands for ten lines away from \
1835 add_com_alias ("l", "list", class_files
, 1);
1837 add_com_alias ("v", "list", class_files
, 1);
1840 add_com_alias ("file", "list", class_files
, 1);
1842 c
= add_com ("disassemble", class_vars
, disassemble_command
, _("\
1843 Disassemble a specified section of memory.\n\
1844 Default is the function surrounding the pc of the selected frame.\n\
1845 With a /m modifier, source lines are included (if available).\n\
1846 With a /r modifier, raw instructions in hex are included.\n\
1847 With a single argument, the function surrounding that address is dumped.\n\
1848 Two arguments (separated by a comma) are taken as a range of memory to dump,\n\
1849 in the form of \"start,end\", or \"start,+length\"."));
1850 set_cmd_completer (c
, location_completer
);
1852 add_com_alias ("va", "disassemble", class_xdb
, 0);
1854 add_com_alias ("!", "shell", class_support
, 0);
1856 c
= add_com ("make", class_support
, make_command
, _("\
1857 Run the ``make'' program using the rest of the line as arguments."));
1858 set_cmd_completer (c
, filename_completer
);
1859 add_cmd ("user", no_class
, show_user
, _("\
1860 Show definitions of non-python user defined commands.\n\
1861 Argument is the name of the user defined command.\n\
1862 With no argument, show definitions of all user defined commands."), &showlist
);
1863 add_com ("apropos", class_support
, apropos_command
,
1864 _("Search for commands matching a REGEXP"));
1866 add_setshow_uinteger_cmd ("max-user-call-depth", no_class
,
1867 &max_user_call_depth
, _("\
1868 Set the max call depth for non-python user-defined commands."), _("\
1869 Show the max call depth for non-python user-defined commands."), NULL
,
1871 show_max_user_call_depth
,
1872 &setlist
, &showlist
);
1874 add_setshow_boolean_cmd ("trace-commands", no_class
, &trace_commands
, _("\
1875 Set tracing of GDB CLI commands."), _("\
1876 Show state of GDB CLI command tracing."), _("\
1877 When 'on', each command is displayed as it is executed."),
1880 &setlist
, &showlist
);
1882 c
= add_com ("alias", class_support
, alias_command
, _("\
1883 Define a new command that is an alias of an existing command.\n\
1884 Usage: alias [-a] [--] ALIAS = COMMAND\n\
1885 ALIAS is the name of the alias command to create.\n\
1886 COMMAND is the command being aliased to.\n\
1887 If \"-a\" is specified, the command is an abbreviation,\n\
1888 and will not appear in help command list output.\n\
1891 Make \"spe\" an alias of \"set print elements\":\n\
1892 alias spe = set print elements\n\
1893 Make \"elms\" an alias of \"elements\" in the \"set print\" command:\n\
1894 alias -a set print elms = set print elements"));
1898 init_cli_cmds (void)
1900 struct cmd_list_element
*c
;
1901 char *source_help_text
;
1903 source_help_text
= xstrprintf (_("\
1904 Read commands from a file named FILE.\n\
1906 Usage: source [-s] [-v] FILE\n\
1907 -s: search for the script in the source search path,\n\
1908 even if FILE contains directories.\n\
1909 -v: each command in FILE is echoed as it is executed.\n\
1911 Note that the file \"%s\" is read automatically in this way\n\
1912 when GDB is started."), gdbinit
);
1913 c
= add_cmd ("source", class_support
, source_command
,
1914 source_help_text
, &cmdlist
);
1915 set_cmd_completer (c
, filename_completer
);