3 Copyright (C) 2000-2019 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 "arch-utils.h"
22 #include "readline/readline.h"
23 #include "readline/tilde.h"
24 #include "completer.h"
25 #include "target.h" /* For baud_rate, remote_debug and remote_timeout. */
26 #include "common/gdb_wait.h" /* For shell escape implementation. */
27 #include "gdb_regex.h" /* Used by apropos_command. */
28 #include "gdb_vfork.h"
30 #include "expression.h"
34 #include "filenames.h" /* For DOSish file names. */
38 #include "tracepoint.h"
39 #include "common/filestuff.h"
46 #include "cli/cli-decode.h"
47 #include "cli/cli-script.h"
48 #include "cli/cli-setshow.h"
49 #include "cli/cli-cmds.h"
50 #include "cli/cli-utils.h"
52 #include "extension.h"
53 #include "common/pathstuff.h"
56 #include "tui/tui.h" /* For tui_active et.al. */
63 /* Prototypes for local utility functions */
65 static void print_sal_location (const symtab_and_line
&sal
);
67 static void ambiguous_line_spec (gdb::array_view
<const symtab_and_line
> sals
,
68 const char *format
, ...)
69 ATTRIBUTE_PRINTF (2, 3);
71 static void filter_sals (std::vector
<symtab_and_line
> &);
74 /* Limit the call depth of user-defined commands */
75 unsigned int max_user_call_depth
;
77 /* Define all cmd_list_elements. */
79 /* Chain containing all defined commands. */
81 struct cmd_list_element
*cmdlist
;
83 /* Chain containing all defined info subcommands. */
85 struct cmd_list_element
*infolist
;
87 /* Chain containing all defined enable subcommands. */
89 struct cmd_list_element
*enablelist
;
91 /* Chain containing all defined disable subcommands. */
93 struct cmd_list_element
*disablelist
;
95 /* Chain containing all defined stop subcommands. */
97 struct cmd_list_element
*stoplist
;
99 /* Chain containing all defined delete subcommands. */
101 struct cmd_list_element
*deletelist
;
103 /* Chain containing all defined detach subcommands. */
105 struct cmd_list_element
*detachlist
;
107 /* Chain containing all defined kill subcommands. */
109 struct cmd_list_element
*killlist
;
111 /* Chain containing all defined set subcommands */
113 struct cmd_list_element
*setlist
;
115 /* Chain containing all defined unset subcommands */
117 struct cmd_list_element
*unsetlist
;
119 /* Chain containing all defined show subcommands. */
121 struct cmd_list_element
*showlist
;
123 /* Chain containing all defined \"set history\". */
125 struct cmd_list_element
*sethistlist
;
127 /* Chain containing all defined \"show history\". */
129 struct cmd_list_element
*showhistlist
;
131 /* Chain containing all defined \"unset history\". */
133 struct cmd_list_element
*unsethistlist
;
135 /* Chain containing all defined maintenance subcommands. */
137 struct cmd_list_element
*maintenancelist
;
139 /* Chain containing all defined "maintenance info" subcommands. */
141 struct cmd_list_element
*maintenanceinfolist
;
143 /* Chain containing all defined "maintenance print" subcommands. */
145 struct cmd_list_element
*maintenanceprintlist
;
147 /* Chain containing all defined "maintenance check" subcommands. */
149 struct cmd_list_element
*maintenancechecklist
;
151 struct cmd_list_element
*setprintlist
;
153 struct cmd_list_element
*showprintlist
;
155 struct cmd_list_element
*setdebuglist
;
157 struct cmd_list_element
*showdebuglist
;
159 struct cmd_list_element
*setchecklist
;
161 struct cmd_list_element
*showchecklist
;
163 /* Command tracing state. */
165 int source_verbose
= 0;
166 int trace_commands
= 0;
168 /* 'script-extension' option support. */
170 static const char script_ext_off
[] = "off";
171 static const char script_ext_soft
[] = "soft";
172 static const char script_ext_strict
[] = "strict";
174 static const char *const script_ext_enums
[] = {
181 static const char *script_ext_mode
= script_ext_soft
;
183 /* Utility used everywhere when at least one argument is needed and
187 error_no_arg (const char *why
)
189 error (_("Argument required (%s)."), why
);
192 /* The "info" command is defined as a prefix, with allow_unknown = 0.
193 Therefore, its own definition is called only for "info" with no
197 info_command (const char *arg
, int from_tty
)
199 printf_unfiltered (_("\"info\" must be followed by "
200 "the name of an info command.\n"));
201 help_list (infolist
, "info ", all_commands
, gdb_stdout
);
204 /* The "show" command with no arguments shows all the settings. */
207 show_command (const char *arg
, int from_tty
)
209 cmd_show_list (showlist
, from_tty
, "");
213 /* Provide documentation on command or list given by COMMAND. FROM_TTY
217 help_command (const char *command
, int from_tty
)
219 help_cmd (command
, gdb_stdout
);
223 /* Note: The "complete" command is used by Emacs to implement completion.
224 [Is that why this function writes output with *_unfiltered?] */
227 complete_command (const char *arg
, int from_tty
)
231 if (max_completions
== 0)
233 /* Only print this for non-mi frontends. An MI frontend may not
234 be able to handle this. */
235 if (!current_uiout
->is_mi_like_p ())
237 printf_unfiltered (_("max-completions is zero,"
238 " completion is disabled.\n"));
246 completion_tracker tracker_handle_brkchars
;
247 completion_tracker tracker_handle_completions
;
248 completion_tracker
*tracker
;
250 int quote_char
= '\0';
255 word
= completion_find_completion_word (tracker_handle_brkchars
,
258 /* Completers that provide a custom word point in the
259 handle_brkchars phase also compute their completions then.
260 Completers that leave the completion word handling to readline
261 must be called twice. */
262 if (tracker_handle_brkchars
.use_custom_word_point ())
263 tracker
= &tracker_handle_brkchars
;
266 complete_line (tracker_handle_completions
, word
, arg
, strlen (arg
));
267 tracker
= &tracker_handle_completions
;
270 catch (const gdb_exception
&ex
)
275 std::string
arg_prefix (arg
, word
- arg
);
277 completion_result result
278 = tracker
->build_completion_result (word
, word
- arg
, strlen (arg
));
280 if (result
.number_matches
!= 0)
282 if (result
.number_matches
== 1)
283 printf_unfiltered ("%s%s\n", arg_prefix
.c_str (), result
.match_list
[0]);
286 result
.sort_match_list ();
288 for (size_t i
= 0; i
< result
.number_matches
; i
++)
290 printf_unfiltered ("%s%s",
292 result
.match_list
[i
+ 1]);
294 printf_unfiltered ("%c", quote_char
);
295 printf_unfiltered ("\n");
299 if (result
.number_matches
== max_completions
)
301 /* ARG_PREFIX and WORD are included in the output so that emacs
302 will include the message in the output. */
303 printf_unfiltered (_("%s%s %s\n"),
304 arg_prefix
.c_str (), word
,
305 get_max_completions_reached_message ());
311 is_complete_command (struct cmd_list_element
*c
)
313 return cmd_cfunc_eq (c
, complete_command
);
317 show_version (const char *args
, int from_tty
)
319 print_gdb_version (gdb_stdout
, true);
320 printf_filtered ("\n");
324 show_configuration (const char *args
, int from_tty
)
326 print_gdb_configuration (gdb_stdout
);
329 /* Handle the quit command. */
332 quit_command (const char *args
, int from_tty
)
336 /* An optional expression may be used to cause gdb to terminate with
337 the value of that expression. */
340 struct value
*val
= parse_and_eval (args
);
342 exit_code
= (int) value_as_long (val
);
345 if (!quit_confirm ())
346 error (_("Not confirmed."));
348 query_if_trace_running (from_tty
);
350 quit_force (args
? &exit_code
: NULL
, from_tty
);
354 pwd_command (const char *args
, int from_tty
)
357 error (_("The \"pwd\" command does not take an argument: %s"), args
);
359 gdb::unique_xmalloc_ptr
<char> cwd (getcwd (NULL
, 0));
362 error (_("Error finding name of working directory: %s"),
363 safe_strerror (errno
));
365 if (strcmp (cwd
.get (), current_directory
) != 0)
366 printf_unfiltered (_("Working directory %s\n (canonically %s).\n"),
367 current_directory
, cwd
.get ());
369 printf_unfiltered (_("Working directory %s.\n"), current_directory
);
373 cd_command (const char *dir
, int from_tty
)
376 /* Found something other than leading repetitions of "/..". */
380 /* If the new directory is absolute, repeat is a no-op; if relative,
381 repeat might be useful but is more likely to be a mistake. */
384 gdb::unique_xmalloc_ptr
<char> dir_holder
385 (tilde_expand (dir
!= NULL
? dir
: "~"));
386 dir
= dir_holder
.get ();
389 perror_with_name (dir
);
391 #ifdef HAVE_DOS_BASED_FILE_SYSTEM
392 /* There's too much mess with DOSish names like "d:", "d:.",
393 "d:./foo" etc. Instead of having lots of special #ifdef'ed code,
394 simply get the canonicalized name of the current directory. */
395 gdb::unique_xmalloc_ptr
<char> cwd (getcwd (NULL
, 0));
400 if (IS_DIR_SEPARATOR (dir
[len
- 1]))
402 /* Remove the trailing slash unless this is a root directory
403 (including a drive letter on non-Unix systems). */
404 if (!(len
== 1) /* "/" */
405 #ifdef HAVE_DOS_BASED_FILE_SYSTEM
406 && !(len
== 3 && dir
[1] == ':') /* "d:/" */
412 dir_holder
.reset (savestring (dir
, len
));
413 if (IS_ABSOLUTE_PATH (dir_holder
.get ()))
415 xfree (current_directory
);
416 current_directory
= dir_holder
.release ();
420 if (IS_DIR_SEPARATOR (current_directory
[strlen (current_directory
) - 1]))
421 current_directory
= concat (current_directory
, dir_holder
.get (),
424 current_directory
= concat (current_directory
, SLASH_STRING
,
425 dir_holder
.get (), (char *) NULL
);
428 /* Now simplify any occurrences of `.' and `..' in the pathname. */
431 for (p
= current_directory
; *p
;)
433 if (IS_DIR_SEPARATOR (p
[0]) && p
[1] == '.'
434 && (p
[2] == 0 || IS_DIR_SEPARATOR (p
[2])))
435 memmove (p
, p
+ 2, strlen (p
+ 2) + 1);
436 else if (IS_DIR_SEPARATOR (p
[0]) && p
[1] == '.' && p
[2] == '.'
437 && (p
[3] == 0 || IS_DIR_SEPARATOR (p
[3])))
441 /* Search backwards for the directory just before the "/.."
442 and obliterate it and the "/..". */
445 while (q
!= current_directory
&& !IS_DIR_SEPARATOR (q
[-1]))
448 if (q
== current_directory
)
449 /* current_directory is
450 a relative pathname ("can't happen"--leave it alone). */
454 memmove (q
- 1, p
+ 3, strlen (p
+ 3) + 1);
459 /* We are dealing with leading repetitions of "/..", for
460 example "/../..", which is the Mach super-root. */
470 forget_cached_source_info ();
473 pwd_command ((char *) 0, 1);
476 /* Show the current value of the 'script-extension' option. */
479 show_script_ext_mode (struct ui_file
*file
, int from_tty
,
480 struct cmd_list_element
*c
, const char *value
)
482 fprintf_filtered (file
,
483 _("Script filename extension recognition is \"%s\".\n"),
487 /* Try to open SCRIPT_FILE.
488 If successful, the full path name is stored in *FULL_PATHP,
489 and the stream is returned.
490 If not successful, return NULL; errno is set for the last file
493 If SEARCH_PATH is non-zero, and the file isn't found in cwd,
494 search for it in the source search path. */
496 gdb::optional
<open_script
>
497 find_and_open_script (const char *script_file
, int search_path
)
500 openp_flags search_flags
= OPF_TRY_CWD_FIRST
| OPF_RETURN_REALPATH
;
501 gdb::optional
<open_script
> opened
;
503 gdb::unique_xmalloc_ptr
<char> file (tilde_expand (script_file
));
506 search_flags
|= OPF_SEARCH_IN_PATH
;
508 /* Search for and open 'file' on the search path used for source
509 files. Put the full location in *FULL_PATHP. */
510 gdb::unique_xmalloc_ptr
<char> full_path
;
511 fd
= openp (source_path
, search_flags
,
512 file
.get (), O_RDONLY
, &full_path
);
517 FILE *result
= fdopen (fd
, FOPEN_RT
);
520 int save_errno
= errno
;
526 opened
.emplace (gdb_file_up (result
), std::move (full_path
));
531 /* Load script FILE, which has already been opened as STREAM.
532 FILE_TO_OPEN is the form of FILE to use if one needs to open the file.
533 This is provided as FILE may have been found via the source search path.
534 An important thing to note here is that FILE may be a symlink to a file
535 with a different or non-existing suffix, and thus one cannot infer the
536 extension language from FILE_TO_OPEN. */
539 source_script_from_stream (FILE *stream
, const char *file
,
540 const char *file_to_open
)
542 if (script_ext_mode
!= script_ext_off
)
544 const struct extension_language_defn
*extlang
545 = get_ext_lang_of_file (file
);
549 if (ext_lang_present_p (extlang
))
551 script_sourcer_func
*sourcer
552 = ext_lang_script_sourcer (extlang
);
554 gdb_assert (sourcer
!= NULL
);
555 sourcer (extlang
, stream
, file_to_open
);
558 else if (script_ext_mode
== script_ext_soft
)
560 /* Assume the file is a gdb script.
561 This is handled below. */
564 throw_ext_lang_unsupported (extlang
);
568 script_from_file (stream
, file
);
571 /* Worker to perform the "source" command.
573 If SEARCH_PATH is non-zero, and the file isn't found in cwd,
574 search for it in the source search path. */
577 source_script_with_search (const char *file
, int from_tty
, int search_path
)
580 if (file
== NULL
|| *file
== 0)
581 error (_("source command requires file name of file to source."));
583 gdb::optional
<open_script
> opened
= find_and_open_script (file
, search_path
);
586 /* The script wasn't found, or was otherwise inaccessible.
587 If the source command was invoked interactively, throw an
588 error. Otherwise (e.g. if it was invoked by a script),
589 just emit a warning, rather than cause an error. */
591 perror_with_name (file
);
594 perror_warning_with_name (file
);
599 /* The python support reopens the file, so we need to pass full_path here
600 in case the file was found on the search path. It's useful to do this
601 anyway so that error messages show the actual file used. But only do
602 this if we (may have) used search_path, as printing the full path in
603 errors for the non-search case can be more noise than signal. */
604 source_script_from_stream (opened
->stream
.get (), file
,
605 search_path
? opened
->full_path
.get () : file
);
608 /* Wrapper around source_script_with_search to export it to main.c
609 for use in loading .gdbinit scripts. */
612 source_script (const char *file
, int from_tty
)
614 source_script_with_search (file
, from_tty
, 0);
618 source_command (const char *args
, int from_tty
)
620 const char *file
= args
;
623 scoped_restore save_source_verbose
= make_scoped_restore (&source_verbose
);
625 /* -v causes the source command to run in verbose mode.
626 -s causes the file to be searched in the source search path,
627 even if the file name contains a '/'.
628 We still have to be able to handle filenames with spaces in a
629 backward compatible way, so buildargv is not appropriate. */
633 while (args
[0] != '\0')
635 /* Make sure leading white space does not break the
637 args
= skip_spaces (args
);
642 if (args
[1] == 'v' && isspace (args
[2]))
646 /* Skip passed -v. */
649 else if (args
[1] == 's' && isspace (args
[2]))
653 /* Skip passed -s. */
660 file
= skip_spaces (args
);
663 source_script_with_search (file
, from_tty
, search_path
);
668 echo_command (const char *text
, int from_tty
)
670 const char *p
= text
;
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 reset_terminal_style (gdb_stdout
);
693 /* Force this output to appear now. */
695 gdb_flush (gdb_stdout
);
699 shell_escape (const char *arg
, int from_tty
)
701 #if defined(CANT_FORK) || \
702 (!defined(HAVE_WORKING_VFORK) && !defined(HAVE_WORKING_FORK))
703 /* If ARG is NULL, they want an inferior shell, but `system' just
704 reports if the shell is available when passed a NULL arg. */
705 int rc
= system (arg
? arg
: "");
708 arg
= "inferior shell";
711 fprintf_unfiltered (gdb_stderr
, "Cannot execute %s: %s\n", arg
,
712 safe_strerror (errno
));
714 fprintf_unfiltered (gdb_stderr
, "%s exited with status %d\n", arg
, rc
);
716 /* Make sure to return to the directory GDB thinks it is, in case
717 the shell command we just ran changed it. */
718 chdir (current_directory
);
720 #else /* Can fork. */
723 if ((pid
= vfork ()) == 0)
725 const char *p
, *user_shell
= get_shell ();
729 /* Get the name of the shell for arg0. */
730 p
= lbasename (user_shell
);
733 execl (user_shell
, p
, (char *) 0);
735 execl (user_shell
, p
, "-c", arg
, (char *) 0);
737 fprintf_unfiltered (gdb_stderr
, "Cannot execute %s: %s\n", user_shell
,
738 safe_strerror (errno
));
743 waitpid (pid
, &status
, 0);
745 error (_("Fork failed"));
746 #endif /* Can fork. */
749 /* Implementation of the "shell" command. */
752 shell_command (const char *arg
, int from_tty
)
754 shell_escape (arg
, from_tty
);
758 edit_command (const char *arg
, int from_tty
)
760 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;
785 /* Now should only be one argument -- decode it in SAL. */
787 event_location_up location
= string_to_event_location (&arg1
,
789 std::vector
<symtab_and_line
> sals
= decode_line_1 (location
.get (),
790 DECODE_LINE_LIST_MODE
,
799 if (sals
.size () > 1)
801 ambiguous_line_spec (sals
,
802 _("Specified line is ambiguous:\n"));
809 error (_("Junk at end of line specification."));
811 /* If line was specified by address, first print exactly which
812 line, and which file. In this case, sal.symtab == 0 means
813 address is outside of all known source files, not that user
814 failed to give a filename. */
817 struct gdbarch
*gdbarch
;
820 error (_("No source file for address %s."),
821 paddress (get_current_arch (), sal
.pc
));
823 gdbarch
= get_objfile_arch (SYMTAB_OBJFILE (sal
.symtab
));
824 sym
= find_pc_function (sal
.pc
);
826 printf_filtered ("%s is in %s (%s:%d).\n",
827 paddress (gdbarch
, sal
.pc
),
828 SYMBOL_PRINT_NAME (sym
),
829 symtab_to_filename_for_display (sal
.symtab
),
832 printf_filtered ("%s is at %s:%d.\n",
833 paddress (gdbarch
, sal
.pc
),
834 symtab_to_filename_for_display (sal
.symtab
),
838 /* If what was given does not imply a symtab, it must be an
839 undebuggable symbol which means no source code. */
842 error (_("No line number known for %s."), arg
);
845 if ((editor
= getenv ("EDITOR")) == NULL
)
848 fn
= symtab_to_fullname (sal
.symtab
);
850 /* Quote the file name, in case it has whitespace or other special
852 p
= xstrprintf ("%s +%d \"%s\"", editor
, sal
.line
, fn
);
853 shell_escape (p
, from_tty
);
858 list_command (const char *arg
, int from_tty
)
868 /* Pull in the current default source line if necessary. */
869 if (arg
== NULL
|| ((arg
[0] == '+' || arg
[0] == '-') && arg
[1] == '\0'))
871 set_default_source_symtab_and_line ();
872 symtab_and_line cursal
= get_current_source_symtab_and_line ();
874 /* If this is the first "list" since we've set the current
875 source line, center the listing around that line. */
876 if (get_first_line_listed () == 0)
880 first
= std::max (cursal
.line
- get_lines_to_list () / 2, 1);
882 /* A small special case --- if listing backwards, and we
883 should list only one line, list the preceding line,
884 instead of the exact line we've just shown after e.g.,
885 stopping for a breakpoint. */
886 if (arg
!= NULL
&& arg
[0] == '-'
887 && get_lines_to_list () == 1 && first
> 1)
890 print_source_lines (cursal
.symtab
, source_lines_range (first
), 0);
893 /* "l" or "l +" lists next ten lines. */
894 else if (arg
== NULL
|| arg
[0] == '+')
895 print_source_lines (cursal
.symtab
,
896 source_lines_range (cursal
.line
), 0);
898 /* "l -" lists previous ten lines, the ones before the ten just
900 else if (arg
[0] == '-')
902 if (get_first_line_listed () == 1)
903 error (_("Already at the start of %s."),
904 symtab_to_filename_for_display (cursal
.symtab
));
905 source_lines_range
range (get_first_line_listed (),
906 source_lines_range::BACKWARD
);
907 print_source_lines (cursal
.symtab
, range
, 0);
913 /* Now if there is only one argument, decode it in SAL
915 If there are two arguments, decode them in SAL and SAL_END
916 and clear NO_END; however, if one of the arguments is blank,
917 set DUMMY_BEG or DUMMY_END to record that fact. */
919 if (!have_full_symbols () && !have_partial_symbols ())
920 error (_("No symbol table is loaded. Use the \"file\" command."));
922 std::vector
<symtab_and_line
> sals
;
923 symtab_and_line sal
, sal_end
;
930 event_location_up location
= string_to_event_location (&arg1
,
932 sals
= decode_line_1 (location
.get (), DECODE_LINE_LIST_MODE
,
944 /* Record whether the BEG arg is all digits. */
946 for (p
= arg
; p
!= arg1
&& *p
>= '0' && *p
<= '9'; p
++);
947 linenum_beg
= (p
== arg1
);
949 /* Save the range of the first argument, in case we need to let the
950 user know it was ambiguous. */
951 const char *beg
= arg
;
952 size_t beg_len
= arg1
- beg
;
954 while (*arg1
== ' ' || *arg1
== '\t')
959 if (sals
.size () > 1)
961 ambiguous_line_spec (sals
,
962 _("Specified first line '%.*s' is ambiguous:\n"),
967 while (*arg1
== ' ' || *arg1
== '\t')
973 /* Save the last argument, in case we need to let the user
974 know it was ambiguous. */
975 const char *end_arg
= arg1
;
977 event_location_up location
978 = string_to_event_location (&arg1
, current_language
);
980 std::vector
<symtab_and_line
> sals_end
982 ? decode_line_1 (location
.get (), DECODE_LINE_LIST_MODE
,
984 : decode_line_1 (location
.get (), DECODE_LINE_LIST_MODE
,
985 NULL
, sal
.symtab
, sal
.line
));
987 filter_sals (sals_end
);
988 if (sals_end
.empty ())
990 if (sals_end
.size () > 1)
992 ambiguous_line_spec (sals_end
,
993 _("Specified last line '%s' is ambiguous:\n"),
997 sal_end
= sals_end
[0];
1002 error (_("Junk at end of line specification."));
1004 if (!no_end
&& !dummy_beg
&& !dummy_end
1005 && sal
.symtab
!= sal_end
.symtab
)
1006 error (_("Specified first and last lines are in different files."));
1007 if (dummy_beg
&& dummy_end
)
1008 error (_("Two empty args do not say what lines to list."));
1010 /* If line was specified by address,
1011 first print exactly which line, and which file.
1013 In this case, sal.symtab == 0 means address is outside of all
1014 known source files, not that user failed to give a filename. */
1017 struct gdbarch
*gdbarch
;
1019 if (sal
.symtab
== 0)
1020 error (_("No source file for address %s."),
1021 paddress (get_current_arch (), sal
.pc
));
1023 gdbarch
= get_objfile_arch (SYMTAB_OBJFILE (sal
.symtab
));
1024 sym
= find_pc_function (sal
.pc
);
1026 printf_filtered ("%s is in %s (%s:%d).\n",
1027 paddress (gdbarch
, sal
.pc
),
1028 SYMBOL_PRINT_NAME (sym
),
1029 symtab_to_filename_for_display (sal
.symtab
), sal
.line
);
1031 printf_filtered ("%s is at %s:%d.\n",
1032 paddress (gdbarch
, sal
.pc
),
1033 symtab_to_filename_for_display (sal
.symtab
), sal
.line
);
1036 /* If line was not specified by just a line number, and it does not
1037 imply a symtab, it must be an undebuggable symbol which means no
1040 if (!linenum_beg
&& sal
.symtab
== 0)
1041 error (_("No line number known for %s."), arg
);
1043 /* If this command is repeated with RET,
1044 turn it into the no-arg variant. */
1047 set_repeat_arguments ("");
1049 if (dummy_beg
&& sal_end
.symtab
== 0)
1050 error (_("No default source file yet. Do \"help list\"."));
1053 source_lines_range
range (sal_end
.line
+ 1,
1054 source_lines_range::BACKWARD
);
1055 print_source_lines (sal_end
.symtab
, range
, 0);
1057 else if (sal
.symtab
== 0)
1058 error (_("No default source file yet. Do \"help list\"."));
1061 for (int i
= 0; i
< sals
.size (); i
++)
1064 int first_line
= sal
.line
- get_lines_to_list () / 2;
1067 if (sals
.size () > 1)
1068 print_sal_location (sal
);
1069 print_source_lines (sal
.symtab
, source_lines_range (first_line
), 0);
1073 print_source_lines (sal
.symtab
, source_lines_range (sal
.line
), 0);
1075 print_source_lines (sal
.symtab
,
1076 source_lines_range (sal
.line
, (sal_end
.line
+ 1)),
1080 /* Subroutine of disassemble_command to simplify it.
1081 Perform the disassembly.
1082 NAME is the name of the function if known, or NULL.
1083 [LOW,HIGH) are the range of addresses to disassemble.
1084 BLOCK is the block to disassemble; it needs to be provided
1085 when non-contiguous blocks are disassembled; otherwise
1087 MIXED is non-zero to print source with the assembler. */
1090 print_disassembly (struct gdbarch
*gdbarch
, const char *name
,
1091 CORE_ADDR low
, CORE_ADDR high
,
1092 const struct block
*block
,
1093 gdb_disassembly_flags flags
)
1096 if (!tui_is_window_visible (DISASSEM_WIN
))
1099 printf_filtered ("Dump of assembler code ");
1101 printf_filtered ("for function %s:\n", name
);
1102 if (block
== nullptr || BLOCK_CONTIGUOUS_P (block
))
1105 printf_filtered ("from %s to %s:\n",
1106 paddress (gdbarch
, low
), paddress (gdbarch
, high
));
1108 /* Dump the specified range. */
1109 gdb_disassembly (gdbarch
, current_uiout
, flags
, -1, low
, high
);
1113 for (int i
= 0; i
< BLOCK_NRANGES (block
); i
++)
1115 CORE_ADDR range_low
= BLOCK_RANGE_START (block
, i
);
1116 CORE_ADDR range_high
= BLOCK_RANGE_END (block
, i
);
1117 printf_filtered (_("Address range %s to %s:\n"),
1118 paddress (gdbarch
, range_low
),
1119 paddress (gdbarch
, range_high
));
1120 gdb_disassembly (gdbarch
, current_uiout
, flags
, -1,
1121 range_low
, range_high
);
1124 printf_filtered ("End of assembler dump.\n");
1129 tui_show_assembly (gdbarch
, low
);
1134 /* Subroutine of disassemble_command to simplify it.
1135 Print a disassembly of the current function according to FLAGS. */
1138 disassemble_current_function (gdb_disassembly_flags flags
)
1140 struct frame_info
*frame
;
1141 struct gdbarch
*gdbarch
;
1142 CORE_ADDR low
, high
, pc
;
1144 const struct block
*block
;
1146 frame
= get_selected_frame (_("No frame selected."));
1147 gdbarch
= get_frame_arch (frame
);
1148 pc
= get_frame_address_in_block (frame
);
1149 if (find_pc_partial_function (pc
, &name
, &low
, &high
, &block
) == 0)
1150 error (_("No function contains program counter for selected frame."));
1152 /* NOTE: cagney/2003-02-13 The `tui_active' was previously
1155 /* FIXME: cagney/2004-02-07: This should be an observer. */
1156 low
= tui_get_low_disassembly_address (gdbarch
, low
, pc
);
1158 low
+= gdbarch_deprecated_function_start_offset (gdbarch
);
1160 print_disassembly (gdbarch
, name
, low
, high
, block
, flags
);
1163 /* Dump a specified section of assembly code.
1167 - dump the assembly code for the function of the current pc
1168 disassemble [/mrs] addr
1169 - dump the assembly code for the function at ADDR
1170 disassemble [/mrs] low,high
1171 disassemble [/mrs] low,+length
1172 - dump the assembly code in the range [LOW,HIGH), or [LOW,LOW+length)
1174 A /m modifier will include source code with the assembly in a
1175 "source centric" view. This view lists only the file of the first insn,
1176 even if other source files are involved (e.g., inlined functions), and
1177 the output is in source order, even with optimized code. This view is
1178 considered deprecated as it hasn't been useful in practice.
1180 A /r modifier will include raw instructions in hex with the assembly.
1182 A /s modifier will include source code with the assembly, like /m, with
1183 two important differences:
1184 1) The output is still in pc address order.
1185 2) File names and contents for all relevant source files are displayed. */
1188 disassemble_command (const char *arg
, int from_tty
)
1190 struct gdbarch
*gdbarch
= get_current_arch ();
1191 CORE_ADDR low
, high
;
1194 gdb_disassembly_flags flags
;
1196 const struct block
*block
= nullptr;
1207 error (_("Missing modifier."));
1209 while (*p
&& ! isspace (*p
))
1214 flags
|= DISASSEMBLY_SOURCE_DEPRECATED
;
1217 flags
|= DISASSEMBLY_RAW_INSN
;
1220 flags
|= DISASSEMBLY_SOURCE
;
1223 error (_("Invalid disassembly modifier."));
1227 p
= skip_spaces (p
);
1230 if ((flags
& (DISASSEMBLY_SOURCE_DEPRECATED
| DISASSEMBLY_SOURCE
))
1231 == (DISASSEMBLY_SOURCE_DEPRECATED
| DISASSEMBLY_SOURCE
))
1232 error (_("Cannot specify both /m and /s."));
1236 flags
|= DISASSEMBLY_OMIT_FNAME
;
1237 disassemble_current_function (flags
);
1241 pc
= value_as_address (parse_to_comma_and_eval (&p
));
1247 if (find_pc_partial_function (pc
, &name
, &low
, &high
, &block
) == 0)
1248 error (_("No function contains specified address."));
1250 /* NOTE: cagney/2003-02-13 The `tui_active' was previously
1253 /* FIXME: cagney/2004-02-07: This should be an observer. */
1254 low
= tui_get_low_disassembly_address (gdbarch
, low
, pc
);
1256 low
+= gdbarch_deprecated_function_start_offset (gdbarch
);
1257 flags
|= DISASSEMBLY_OMIT_FNAME
;
1261 /* Two arguments. */
1264 p
= skip_spaces (p
);
1270 high
= parse_and_eval_address (p
);
1275 print_disassembly (gdbarch
, name
, low
, high
, block
, flags
);
1279 make_command (const char *arg
, int from_tty
)
1282 shell_escape ("make", from_tty
);
1285 std::string cmd
= std::string ("make ") + arg
;
1287 shell_escape (cmd
.c_str (), from_tty
);
1292 show_user (const char *args
, int from_tty
)
1294 struct cmd_list_element
*c
;
1295 extern struct cmd_list_element
*cmdlist
;
1299 const char *comname
= args
;
1301 c
= lookup_cmd (&comname
, cmdlist
, "", 0, 1);
1302 if (!cli_user_command_p (c
))
1303 error (_("Not a user command."));
1304 show_user_1 (c
, "", args
, gdb_stdout
);
1308 for (c
= cmdlist
; c
; c
= c
->next
)
1310 if (cli_user_command_p (c
) || c
->prefixlist
!= NULL
)
1311 show_user_1 (c
, "", c
->name
, gdb_stdout
);
1316 /* Search through names of commands and documentations for a certain
1317 regular expression. */
1320 apropos_command (const char *searchstr
, int from_tty
)
1322 if (searchstr
== NULL
)
1323 error (_("REGEXP string is empty"));
1325 compiled_regex
pattern (searchstr
, REG_ICASE
,
1326 _("Error in regular expression"));
1328 apropos_cmd (gdb_stdout
, cmdlist
, pattern
, "");
1331 /* Subroutine of alias_command to simplify it.
1332 Return the first N elements of ARGV flattened back to a string
1333 with a space separating each element.
1334 ARGV may not be NULL.
1335 This does not take care of quoting elements in case they contain spaces
1339 argv_to_string (char **argv
, int n
)
1344 gdb_assert (argv
!= NULL
);
1345 gdb_assert (n
>= 0 && n
<= countargv (argv
));
1347 for (i
= 0; i
< n
; ++i
)
1357 /* Subroutine of alias_command to simplify it.
1358 Return true if COMMAND exists, unambiguously. Otherwise false. */
1361 valid_command_p (const char *command
)
1363 struct cmd_list_element
*c
;
1365 c
= lookup_cmd_1 (& command
, cmdlist
, NULL
, 1);
1367 if (c
== NULL
|| c
== (struct cmd_list_element
*) -1)
1370 /* This is the slightly tricky part.
1371 lookup_cmd_1 will return a pointer to the last part of COMMAND
1372 to match, leaving COMMAND pointing at the remainder. */
1373 while (*command
== ' ' || *command
== '\t')
1375 return *command
== '\0';
1378 /* Called when "alias" was incorrectly used. */
1381 alias_usage_error (void)
1383 error (_("Usage: alias [-a] [--] ALIAS = COMMAND"));
1386 /* Make an alias of an existing command. */
1389 alias_command (const char *args
, int from_tty
)
1391 int i
, alias_argc
, command_argc
;
1392 int abbrev_flag
= 0;
1394 const char *alias
, *command
;
1396 if (args
== NULL
|| strchr (args
, '=') == NULL
)
1397 alias_usage_error ();
1399 equals
= strchr (args
, '=');
1400 std::string
args2 (args
, equals
- args
);
1402 gdb_argv
built_alias_argv (args2
.c_str ());
1403 gdb_argv
command_argv (equals
+ 1);
1405 char **alias_argv
= built_alias_argv
.get ();
1406 while (alias_argv
[0] != NULL
)
1408 if (strcmp (alias_argv
[0], "-a") == 0)
1413 else if (strcmp (alias_argv
[0], "--") == 0)
1422 if (alias_argv
[0] == NULL
|| command_argv
[0] == NULL
1423 || *alias_argv
[0] == '\0' || *command_argv
[0] == '\0')
1424 alias_usage_error ();
1426 for (i
= 0; alias_argv
[i
] != NULL
; ++i
)
1428 if (! valid_user_defined_cmd_name_p (alias_argv
[i
]))
1431 error (_("Invalid command name: %s"), alias_argv
[i
]);
1433 error (_("Invalid command element name: %s"), alias_argv
[i
]);
1437 alias_argc
= countargv (alias_argv
);
1438 command_argc
= command_argv
.count ();
1440 /* COMMAND must exist.
1441 Reconstruct the command to remove any extraneous spaces,
1442 for better error messages. */
1443 std::string
command_string (argv_to_string (command_argv
.get (),
1445 command
= command_string
.c_str ();
1446 if (! valid_command_p (command
))
1447 error (_("Invalid command to alias to: %s"), command
);
1449 /* ALIAS must not exist. */
1450 std::string
alias_string (argv_to_string (alias_argv
, alias_argc
));
1451 alias
= alias_string
.c_str ();
1452 if (valid_command_p (alias
))
1453 error (_("Alias already exists: %s"), alias
);
1455 /* If ALIAS is one word, it is an alias for the entire COMMAND.
1456 Example: alias spe = set print elements
1458 Otherwise ALIAS and COMMAND must have the same number of words,
1459 and every word except the last must match; and the last word of
1460 ALIAS is made an alias of the last word of COMMAND.
1461 Example: alias set print elms = set pr elem
1462 Note that unambiguous abbreviations are allowed. */
1464 if (alias_argc
== 1)
1466 /* add_cmd requires *we* allocate space for name, hence the xstrdup. */
1467 add_com_alias (xstrdup (alias_argv
[0]), command
, class_alias
,
1472 const char *alias_prefix
, *command_prefix
;
1473 struct cmd_list_element
*c_alias
, *c_command
;
1475 if (alias_argc
!= command_argc
)
1476 error (_("Mismatched command length between ALIAS and COMMAND."));
1478 /* Create copies of ALIAS and COMMAND without the last word,
1479 and use that to verify the leading elements match. */
1480 std::string
alias_prefix_string (argv_to_string (alias_argv
,
1482 std::string
command_prefix_string (argv_to_string (alias_argv
,
1484 alias_prefix
= alias_prefix_string
.c_str ();
1485 command_prefix
= command_prefix_string
.c_str ();
1487 c_command
= lookup_cmd_1 (& command_prefix
, cmdlist
, NULL
, 1);
1488 /* We've already tried to look up COMMAND. */
1489 gdb_assert (c_command
!= NULL
1490 && c_command
!= (struct cmd_list_element
*) -1);
1491 gdb_assert (c_command
->prefixlist
!= NULL
);
1492 c_alias
= lookup_cmd_1 (& alias_prefix
, cmdlist
, NULL
, 1);
1493 if (c_alias
!= c_command
)
1494 error (_("ALIAS and COMMAND prefixes do not match."));
1496 /* add_cmd requires *we* allocate space for name, hence the xstrdup. */
1497 add_alias_cmd (xstrdup (alias_argv
[alias_argc
- 1]),
1498 command_argv
[command_argc
- 1],
1499 class_alias
, abbrev_flag
, c_command
->prefixlist
);
1503 /* Print the file / line number / symbol name of the location
1504 specified by SAL. */
1507 print_sal_location (const symtab_and_line
&sal
)
1509 scoped_restore_current_program_space restore_pspace
;
1510 set_current_program_space (sal
.pspace
);
1512 const char *sym_name
= NULL
;
1513 if (sal
.symbol
!= NULL
)
1514 sym_name
= SYMBOL_PRINT_NAME (sal
.symbol
);
1515 printf_filtered (_("file: \"%s\", line number: %d, symbol: \"%s\"\n"),
1516 symtab_to_filename_for_display (sal
.symtab
),
1517 sal
.line
, sym_name
!= NULL
? sym_name
: "???");
1520 /* Print a list of files and line numbers which a user may choose from
1521 in order to list a function which was specified ambiguously (as
1522 with `list classname::overloadedfuncname', for example). The SALS
1523 array provides the filenames and line numbers. FORMAT is a
1524 printf-style format string used to tell the user what was
1528 ambiguous_line_spec (gdb::array_view
<const symtab_and_line
> sals
,
1529 const char *format
, ...)
1532 va_start (ap
, format
);
1533 vprintf_filtered (format
, ap
);
1536 for (const auto &sal
: sals
)
1537 print_sal_location (sal
);
1540 /* Comparison function for filter_sals. Returns a qsort-style
1544 cmp_symtabs (const symtab_and_line
&sala
, const symtab_and_line
&salb
)
1546 const char *dira
= SYMTAB_DIRNAME (sala
.symtab
);
1547 const char *dirb
= SYMTAB_DIRNAME (salb
.symtab
);
1555 else if (dirb
== NULL
)
1562 r
= filename_cmp (dira
, dirb
);
1567 r
= filename_cmp (sala
.symtab
->filename
, salb
.symtab
->filename
);
1571 if (sala
.line
< salb
.line
)
1573 return sala
.line
== salb
.line
? 0 : 1;
1576 /* Remove any SALs that do not match the current program space, or
1577 which appear to be "file:line" duplicates. */
1580 filter_sals (std::vector
<symtab_and_line
> &sals
)
1582 /* Remove SALs that do not match. */
1583 auto from
= std::remove_if (sals
.begin (), sals
.end (),
1584 [&] (const symtab_and_line
&sal
)
1585 { return (sal
.pspace
!= current_program_space
|| sal
.symtab
== NULL
); });
1588 std::sort (sals
.begin (), from
,
1589 [] (const symtab_and_line
&sala
, const symtab_and_line
&salb
)
1590 { return cmp_symtabs (sala
, salb
) < 0; });
1592 from
= std::unique (sals
.begin (), from
,
1593 [&] (const symtab_and_line
&sala
,
1594 const symtab_and_line
&salb
)
1595 { return cmp_symtabs (sala
, salb
) == 0; });
1597 sals
.erase (from
, sals
.end ());
1601 set_debug (const char *arg
, int from_tty
)
1603 printf_unfiltered (_("\"set debug\" must be followed by "
1604 "the name of a debug subcommand.\n"));
1605 help_list (setdebuglist
, "set debug ", all_commands
, gdb_stdout
);
1609 show_debug (const char *args
, int from_tty
)
1611 cmd_show_list (showdebuglist
, from_tty
, "");
1615 init_cmd_lists (void)
1617 max_user_call_depth
= 1024;
1621 show_info_verbose (struct ui_file
*file
, int from_tty
,
1622 struct cmd_list_element
*c
,
1626 fprintf_filtered (file
,
1627 _("Verbose printing of informational messages is %s.\n"),
1630 fprintf_filtered (file
, _("Verbosity is %s.\n"), value
);
1634 show_history_expansion_p (struct ui_file
*file
, int from_tty
,
1635 struct cmd_list_element
*c
, const char *value
)
1637 fprintf_filtered (file
, _("History expansion on command input is %s.\n"),
1642 show_remote_debug (struct ui_file
*file
, int from_tty
,
1643 struct cmd_list_element
*c
, const char *value
)
1645 fprintf_filtered (file
, _("Debugging of remote protocol is %s.\n"),
1650 show_remote_timeout (struct ui_file
*file
, int from_tty
,
1651 struct cmd_list_element
*c
, const char *value
)
1653 fprintf_filtered (file
,
1654 _("Timeout limit to wait for target to respond is %s.\n"),
1659 show_max_user_call_depth (struct ui_file
*file
, int from_tty
,
1660 struct cmd_list_element
*c
, const char *value
)
1662 fprintf_filtered (file
,
1663 _("The max call depth for user-defined commands is %s.\n"),
1668 _initialize_cli_cmds (void)
1670 struct cmd_list_element
*c
;
1672 /* Define the classes of commands.
1673 They will appear in the help list in alphabetical order. */
1675 add_cmd ("internals", class_maintenance
, _("\
1676 Maintenance commands.\n\
1677 Some gdb commands are provided just for use by gdb maintainers.\n\
1678 These commands are subject to frequent change, and may not be as\n\
1679 well documented as user commands."),
1681 add_cmd ("obscure", class_obscure
, _("Obscure features."), &cmdlist
);
1682 add_cmd ("aliases", class_alias
,
1683 _("Aliases of other commands."), &cmdlist
);
1684 add_cmd ("user-defined", class_user
, _("\
1685 User-defined commands.\n\
1686 The commands in this class are those defined by the user.\n\
1687 Use the \"define\" command to define a command."), &cmdlist
);
1688 add_cmd ("support", class_support
, _("Support facilities."), &cmdlist
);
1690 add_cmd ("status", class_info
, _("Status inquiries."), &cmdlist
);
1691 add_cmd ("files", class_files
, _("Specifying and examining files."),
1693 add_cmd ("breakpoints", class_breakpoint
,
1694 _("Making program stop at certain points."), &cmdlist
);
1695 add_cmd ("data", class_vars
, _("Examining data."), &cmdlist
);
1696 add_cmd ("stack", class_stack
, _("\
1697 Examining the stack.\n\
1698 The stack is made up of stack frames. Gdb assigns numbers to stack frames\n\
1699 counting from zero for the innermost (currently executing) frame.\n\n\
1700 At any time gdb identifies one frame as the \"selected\" frame.\n\
1701 Variable lookups are done with respect to the selected frame.\n\
1702 When the program being debugged stops, gdb selects the innermost frame.\n\
1703 The commands below can be used to select other frames by number or address."),
1705 add_cmd ("running", class_run
, _("Running the program."), &cmdlist
);
1707 /* Define general commands. */
1709 add_com ("pwd", class_files
, pwd_command
, _("\
1710 Print working directory. This is used for your program as well."));
1712 c
= add_cmd ("cd", class_files
, cd_command
, _("\
1713 Set working directory to DIR for debugger.\n\
1714 The debugger's current working directory specifies where scripts and other\n\
1715 files that can be loaded by GDB are located.\n\
1716 In order to change the inferior's current working directory, the recommended\n\
1717 way is to use the \"set cwd\" command."), &cmdlist
);
1718 set_cmd_completer (c
, filename_completer
);
1720 add_com ("echo", class_support
, echo_command
, _("\
1721 Print a constant string. Give string as argument.\n\
1722 C escape sequences may be used in the argument.\n\
1723 No newline is added at the end of the argument;\n\
1724 use \"\\n\" if you want a newline to be printed.\n\
1725 Since leading and trailing whitespace are ignored in command arguments,\n\
1726 if you want to print some you must use \"\\\" before leading whitespace\n\
1727 to be printed or after trailing whitespace."));
1729 add_setshow_enum_cmd ("script-extension", class_support
,
1730 script_ext_enums
, &script_ext_mode
, _("\
1731 Set mode for script filename extension recognition."), _("\
1732 Show mode for script filename extension recognition."), _("\
1733 off == no filename extension recognition (all sourced files are GDB scripts)\n\
1734 soft == evaluate script according to filename extension, fallback to GDB script"
1736 strict == evaluate script according to filename extension, error if not supported"
1739 show_script_ext_mode
,
1740 &setlist
, &showlist
);
1742 add_com ("quit", class_support
, quit_command
, _("\
1744 Usage: quit [EXPR]\n\
1745 The optional expression EXPR, if present, is evaluated and the result\n\
1746 used as GDB's exit code. The default is zero."));
1747 c
= add_com ("help", class_support
, help_command
,
1748 _("Print list of commands."));
1749 set_cmd_completer (c
, command_completer
);
1750 add_com_alias ("q", "quit", class_support
, 1);
1751 add_com_alias ("h", "help", class_support
, 1);
1753 add_setshow_boolean_cmd ("verbose", class_support
, &info_verbose
, _("\
1754 Set verbosity."), _("\
1755 Show verbosity."), NULL
,
1758 &setlist
, &showlist
);
1760 add_prefix_cmd ("history", class_support
, set_history
,
1761 _("Generic command for setting command history parameters."),
1762 &sethistlist
, "set history ", 0, &setlist
);
1763 add_prefix_cmd ("history", class_support
, show_history
,
1764 _("Generic command for showing command history parameters."),
1765 &showhistlist
, "show history ", 0, &showlist
);
1767 add_setshow_boolean_cmd ("expansion", no_class
, &history_expansion_p
, _("\
1768 Set history expansion on command input."), _("\
1769 Show history expansion on command input."), _("\
1770 Without an argument, history expansion is enabled."),
1772 show_history_expansion_p
,
1773 &sethistlist
, &showhistlist
);
1775 add_prefix_cmd ("info", class_info
, info_command
, _("\
1776 Generic command for showing things about the program being debugged."),
1777 &infolist
, "info ", 0, &cmdlist
);
1778 add_com_alias ("i", "info", class_info
, 1);
1779 add_com_alias ("inf", "info", class_info
, 1);
1781 add_com ("complete", class_obscure
, complete_command
,
1782 _("List the completions for the rest of the line as a command."));
1784 add_prefix_cmd ("show", class_info
, show_command
, _("\
1785 Generic command for showing things about the debugger."),
1786 &showlist
, "show ", 0, &cmdlist
);
1787 /* Another way to get at the same thing. */
1788 add_info ("set", show_command
, _("Show all GDB settings."));
1790 add_cmd ("commands", no_set_class
, show_commands
, _("\
1791 Show the history of commands you typed.\n\
1792 You can supply a command number to start with, or a `+' to start after\n\
1793 the previous command number shown."),
1796 add_cmd ("version", no_set_class
, show_version
,
1797 _("Show what version of GDB this is."), &showlist
);
1799 add_cmd ("configuration", no_set_class
, show_configuration
,
1800 _("Show how GDB was configured at build time."), &showlist
);
1802 add_setshow_zinteger_cmd ("remote", no_class
, &remote_debug
, _("\
1803 Set debugging of remote protocol."), _("\
1804 Show debugging of remote protocol."), _("\
1805 When enabled, each packet sent or received with the remote target\n\
1809 &setdebuglist
, &showdebuglist
);
1811 add_setshow_zuinteger_unlimited_cmd ("remotetimeout", no_class
,
1812 &remote_timeout
, _("\
1813 Set timeout limit to wait for target to respond."), _("\
1814 Show timeout limit to wait for target to respond."), _("\
1815 This value is used to set the time limit for gdb to wait for a response\n\
1818 show_remote_timeout
,
1819 &setlist
, &showlist
);
1821 add_prefix_cmd ("debug", no_class
, set_debug
,
1822 _("Generic command for setting gdb debugging flags"),
1823 &setdebuglist
, "set debug ", 0, &setlist
);
1825 add_prefix_cmd ("debug", no_class
, show_debug
,
1826 _("Generic command for showing gdb debugging flags"),
1827 &showdebuglist
, "show debug ", 0, &showlist
);
1829 c
= add_com ("shell", class_support
, shell_command
, _("\
1830 Execute the rest of the line as a shell command.\n\
1831 With no arguments, run an inferior shell."));
1832 set_cmd_completer (c
, filename_completer
);
1834 add_com_alias ("!", "shell", class_support
, 0);
1836 c
= add_com ("edit", class_files
, edit_command
, _("\
1837 Edit specified file or function.\n\
1838 With no argument, edits file containing most recent line listed.\n\
1839 Editing targets can be specified in these ways:\n\
1840 FILE:LINENUM, to edit at that line in that file,\n\
1841 FUNCTION, to edit at the beginning of that function,\n\
1842 FILE:FUNCTION, to distinguish among like-named static functions.\n\
1843 *ADDRESS, to edit at the line containing that address.\n\
1844 Uses EDITOR environment variable contents as editor (or ex as default)."));
1846 c
->completer
= location_completer
;
1848 add_com ("list", class_files
, list_command
, _("\
1849 List specified function or line.\n\
1850 With no argument, lists ten more lines after or around previous listing.\n\
1851 \"list -\" lists the ten lines before a previous ten-line listing.\n\
1852 One argument specifies a line, and ten lines are listed around that line.\n\
1853 Two arguments with comma between specify starting and ending lines to list.\n\
1854 Lines can be specified in these ways:\n\
1855 LINENUM, to list around that line in current file,\n\
1856 FILE:LINENUM, to list around that line in that file,\n\
1857 FUNCTION, to list around beginning of that function,\n\
1858 FILE:FUNCTION, to distinguish among like-named static functions.\n\
1859 *ADDRESS, to list around the line containing that address.\n\
1860 With two args, if one is empty, it stands for ten lines away from\n\
1863 By default, when a single location is given, display ten lines.\n\
1864 This can be changed using \"set listsize\", and the current value\n\
1865 can be shown using \"show listsize\"."));
1867 add_com_alias ("l", "list", class_files
, 1);
1870 add_com_alias ("file", "list", class_files
, 1);
1872 c
= add_com ("disassemble", class_vars
, disassemble_command
, _("\
1873 Disassemble a specified section of memory.\n\
1874 Default is the function surrounding the pc of the selected frame.\n\
1876 With a /m modifier, source lines are included (if available).\n\
1877 This view is \"source centric\": the output is in source line order,\n\
1878 regardless of any optimization that is present. Only the main source file\n\
1879 is displayed, not those of, e.g., any inlined functions.\n\
1880 This modifier hasn't proved useful in practice and is deprecated\n\
1883 With a /s modifier, source lines are included (if available).\n\
1884 This differs from /m in two important respects:\n\
1885 - the output is still in pc address order, and\n\
1886 - file names and contents for all relevant source files are displayed.\n\
1888 With a /r modifier, raw instructions in hex are included.\n\
1890 With a single argument, the function surrounding that address is dumped.\n\
1891 Two arguments (separated by a comma) are taken as a range of memory to dump,\n\
1892 in the form of \"start,end\", or \"start,+length\".\n\
1894 Note that the address is interpreted as an expression, not as a location\n\
1895 like in the \"break\" command.\n\
1896 So, for example, if you want to disassemble function bar in file foo.c\n\
1897 you must type \"disassemble 'foo.c'::bar\" and not \"disassemble foo.c:bar\"."));
1898 set_cmd_completer (c
, location_completer
);
1900 c
= add_com ("make", class_support
, make_command
, _("\
1901 Run the ``make'' program using the rest of the line as arguments."));
1902 set_cmd_completer (c
, filename_completer
);
1903 add_cmd ("user", no_class
, show_user
, _("\
1904 Show definitions of non-python/scheme user defined commands.\n\
1905 Argument is the name of the user defined command.\n\
1906 With no argument, show definitions of all user defined commands."), &showlist
);
1907 add_com ("apropos", class_support
, apropos_command
,
1908 _("Search for commands matching a REGEXP"));
1910 add_setshow_uinteger_cmd ("max-user-call-depth", no_class
,
1911 &max_user_call_depth
, _("\
1912 Set the max call depth for non-python/scheme user-defined commands."), _("\
1913 Show the max call depth for non-python/scheme user-defined commands."), NULL
,
1915 show_max_user_call_depth
,
1916 &setlist
, &showlist
);
1918 add_setshow_boolean_cmd ("trace-commands", no_class
, &trace_commands
, _("\
1919 Set tracing of GDB CLI commands."), _("\
1920 Show state of GDB CLI command tracing."), _("\
1921 When 'on', each command is displayed as it is executed."),
1924 &setlist
, &showlist
);
1926 c
= add_com ("alias", class_support
, alias_command
, _("\
1927 Define a new command that is an alias of an existing command.\n\
1928 Usage: alias [-a] [--] ALIAS = COMMAND\n\
1929 ALIAS is the name of the alias command to create.\n\
1930 COMMAND is the command being aliased to.\n\
1931 If \"-a\" is specified, the command is an abbreviation,\n\
1932 and will not appear in help command list output.\n\
1935 Make \"spe\" an alias of \"set print elements\":\n\
1936 alias spe = set print elements\n\
1937 Make \"elms\" an alias of \"elements\" in the \"set print\" command:\n\
1938 alias -a set print elms = set print elements"));
1942 init_cli_cmds (void)
1944 struct cmd_list_element
*c
;
1945 char *source_help_text
;
1947 source_help_text
= xstrprintf (_("\
1948 Read commands from a file named FILE.\n\
1950 Usage: source [-s] [-v] FILE\n\
1951 -s: search for the script in the source search path,\n\
1952 even if FILE contains directories.\n\
1953 -v: each command in FILE is echoed as it is executed.\n\
1955 Note that the file \"%s\" is read automatically in this way\n\
1956 when GDB is started."), gdbinit
);
1957 c
= add_cmd ("source", class_support
, source_command
,
1958 source_help_text
, &cmdlist
);
1959 set_cmd_completer (c
, filename_completer
);