1 /* Top level stuff for GDB, the GNU debugger.
3 Copyright 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
4 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003 Free Software
7 This file is part of GDB.
9 This program is free software; you can redistribute it and/or modify
10 it under the terms of the GNU General Public License as published by
11 the Free Software Foundation; either version 2 of the License, or
12 (at your option) any later version.
14 This program is distributed in the hope that it will be useful,
15 but WITHOUT ANY WARRANTY; without even the implied warranty of
16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 GNU General Public License for more details.
19 You should have received a copy of the GNU General Public License
20 along with this program; if not, write to the Free Software
21 Foundation, Inc., 59 Temple Place - Suite 330,
22 Boston, MA 02111-1307, USA. */
33 #include <sys/types.h>
37 #include "gdb_string.h"
38 #include "event-loop.h"
44 /* If nonzero, display time usage both at startup and for each command. */
48 /* If nonzero, display space usage both at startup and for each command. */
52 /* Whether this is the async version or not. The async version is
53 invoked on the command line with the -nw --async options. In this
54 version, the usual command_loop is substituted by and event loop which
55 processes UI events asynchronously. */
58 /* The selected interpreter. This will be used as a set command
59 variable, so it should always be malloc'ed - since
60 do_setshow_command will free it. */
63 /* Whether xdb commands will be handled */
66 /* Whether dbx commands will be handled */
69 /* System root path, used to find libraries etc. */
70 char *gdb_sysroot
= 0;
72 struct ui_file
*gdb_stdout
;
73 struct ui_file
*gdb_stderr
;
74 struct ui_file
*gdb_stdlog
;
75 struct ui_file
*gdb_stdtarg
;
76 struct ui_file
*gdb_stdin
;
77 /* target IO streams */
78 struct ui_file
*gdb_stdtargin
;
79 struct ui_file
*gdb_stdtargerr
;
81 /* Whether to enable writing into executable and core files */
82 extern int write_files
;
84 static void print_gdb_help (struct ui_file
*);
86 /* These two are used to set the external editor commands when gdb is farming
87 out files to be edited by another program. */
89 extern char *external_editor_command
;
91 /* Call command_loop. If it happens to return, pass that through as a
92 non-zero return status. */
95 captured_command_loop (void *data
)
97 current_interp_command_loop ();
98 /* FIXME: cagney/1999-11-05: A correct command_loop() implementaton
99 would clean things up (restoring the cleanup chain) to the state
100 they were just prior to the call. Technically, this means that
101 the do_cleanups() below is redundant. Unfortunately, many FUNCs
102 are not that well behaved. do_cleanups should either be replaced
103 with a do_cleanups call (to cover the problem) or an assertion
104 check to detect bad FUNCs code. */
105 do_cleanups (ALL_CLEANUPS
);
106 /* If the command_loop returned, normally (rather than threw an
107 error) we try to quit. If the quit is aborted, catch_errors()
108 which called this catch the signal and restart the command
110 quit_command (NULL
, instream
== stdin
);
115 captured_main (void *data
)
117 struct captured_main_args
*context
= data
;
118 int argc
= context
->argc
;
119 char **argv
= context
->argv
;
121 static int quiet
= 0;
122 static int batch
= 0;
123 static int set_args
= 0;
125 /* Pointers to various arguments from command line. */
127 char *execarg
= NULL
;
128 char *corearg
= NULL
;
132 /* These are static so that we can take their address in an initializer. */
133 static int print_help
;
134 static int print_version
;
136 /* Pointers to all arguments of --command option. */
138 /* Allocated size of cmdarg. */
140 /* Number of elements of cmdarg used. */
143 /* Indices of all arguments of --directory option. */
145 /* Allocated size. */
147 /* Number of elements used. */
150 struct stat homebuf
, cwdbuf
;
151 char *homedir
, *homeinit
;
155 long time_at_startup
= get_run_time ();
157 #if defined (HAVE_SETLOCALE) && defined (HAVE_LC_MESSAGES)
158 setlocale (LC_MESSAGES
, "");
160 #if defined (HAVE_SETLOCALE)
161 setlocale (LC_CTYPE
, "");
163 bindtextdomain (PACKAGE
, LOCALEDIR
);
164 textdomain (PACKAGE
);
166 START_PROGRESS (argv
[0], 0);
168 /* This needs to happen before the first use of malloc. */
172 lim_at_start
= (char *) sbrk (0);
175 #if defined (ALIGN_STACK_ON_STARTUP)
176 i
= (int) &count
& 0x3;
182 cmdarg
= (char **) xmalloc (cmdsize
* sizeof (*cmdarg
));
185 dirarg
= (char **) xmalloc (dirsize
* sizeof (*dirarg
));
189 line
= (char *) xmalloc (linesize
);
190 line
[0] = '\0'; /* Terminate saved (now empty) cmd line */
193 getcwd (gdb_dirbuf
, sizeof (gdb_dirbuf
));
194 current_directory
= gdb_dirbuf
;
196 gdb_stdout
= stdio_fileopen (stdout
);
197 gdb_stderr
= stdio_fileopen (stderr
);
198 gdb_stdlog
= gdb_stderr
; /* for moment */
199 gdb_stdtarg
= gdb_stderr
; /* for moment */
200 gdb_stdin
= stdio_fileopen (stdin
);
201 gdb_stdtargerr
= gdb_stderr
; /* for moment */
202 gdb_stdtargin
= gdb_stdin
; /* for moment */
204 /* initialize error() */
207 /* Set the sysroot path. */
208 #ifdef TARGET_SYSTEM_ROOT_RELOCATABLE
209 gdb_sysroot
= make_relative_prefix (argv
[0], BINDIR
, TARGET_SYSTEM_ROOT
);
215 if (stat (gdb_sysroot
, &s
) == 0)
216 if (S_ISDIR (s
.st_mode
))
222 gdb_sysroot
= TARGET_SYSTEM_ROOT
;
226 gdb_sysroot
= TARGET_SYSTEM_ROOT
;
228 #if defined (TARGET_SYSTEM_ROOT)
229 gdb_sysroot
= TARGET_SYSTEM_ROOT
;
235 /* There will always be an interpreter. Either the one passed into
236 this captured main, or one specified by the user at start up, or
237 the console. Initialize the interpreter to the one requested by
239 interpreter_p
= xstrdup (context
->interpreter_p
);
241 /* Parse arguments and options. */
244 /* When var field is 0, use flag field to record the equivalent
245 short option (or arbitrary numbers starting at 10 for those
246 with no equivalent). */
256 static struct option long_options
[] =
258 {"async", no_argument
, &event_loop_p
, 1},
259 {"noasync", no_argument
, &event_loop_p
, 0},
261 {"tui", no_argument
, 0, OPT_TUI
},
263 {"xdb", no_argument
, &xdb_commands
, 1},
264 {"dbx", no_argument
, &dbx_commands
, 1},
265 {"readnow", no_argument
, &readnow_symbol_files
, 1},
266 {"r", no_argument
, &readnow_symbol_files
, 1},
267 {"mapped", no_argument
, &mapped_symbol_files
, 1},
268 {"m", no_argument
, &mapped_symbol_files
, 1},
269 {"quiet", no_argument
, &quiet
, 1},
270 {"q", no_argument
, &quiet
, 1},
271 {"silent", no_argument
, &quiet
, 1},
272 {"nx", no_argument
, &inhibit_gdbinit
, 1},
273 {"n", no_argument
, &inhibit_gdbinit
, 1},
274 {"batch", no_argument
, &batch
, 1},
275 {"epoch", no_argument
, &epoch_interface
, 1},
277 /* This is a synonym for "--annotate=1". --annotate is now preferred,
278 but keep this here for a long time because people will be running
279 emacses which use --fullname. */
280 {"fullname", no_argument
, 0, 'f'},
281 {"f", no_argument
, 0, 'f'},
283 {"annotate", required_argument
, 0, OPT_ANNOTATE
},
284 {"help", no_argument
, &print_help
, 1},
285 {"se", required_argument
, 0, OPT_SE
},
286 {"symbols", required_argument
, 0, 's'},
287 {"s", required_argument
, 0, 's'},
288 {"exec", required_argument
, 0, 'e'},
289 {"e", required_argument
, 0, 'e'},
290 {"core", required_argument
, 0, 'c'},
291 {"c", required_argument
, 0, 'c'},
292 {"pid", required_argument
, 0, 'p'},
293 {"p", required_argument
, 0, 'p'},
294 {"command", required_argument
, 0, 'x'},
295 {"version", no_argument
, &print_version
, 1},
296 {"x", required_argument
, 0, 'x'},
298 {"tclcommand", required_argument
, 0, 'z'},
299 {"enable-external-editor", no_argument
, 0, 'y'},
300 {"editor-command", required_argument
, 0, 'w'},
302 {"ui", required_argument
, 0, 'i'},
303 {"interpreter", required_argument
, 0, 'i'},
304 {"i", required_argument
, 0, 'i'},
305 {"directory", required_argument
, 0, 'd'},
306 {"d", required_argument
, 0, 'd'},
307 {"cd", required_argument
, 0, OPT_CD
},
308 {"tty", required_argument
, 0, 't'},
309 {"baud", required_argument
, 0, 'b'},
310 {"b", required_argument
, 0, 'b'},
311 {"nw", no_argument
, NULL
, OPT_NOWINDOWS
},
312 {"nowindows", no_argument
, NULL
, OPT_NOWINDOWS
},
313 {"w", no_argument
, NULL
, OPT_WINDOWS
},
314 {"windows", no_argument
, NULL
, OPT_WINDOWS
},
315 {"statistics", no_argument
, 0, OPT_STATISTICS
},
316 {"write", no_argument
, &write_files
, 1},
317 {"args", no_argument
, &set_args
, 1},
318 {0, no_argument
, 0, 0}
325 c
= getopt_long_only (argc
, argv
, "",
326 long_options
, &option_index
);
327 if (c
== EOF
|| set_args
)
330 /* Long option that takes an argument. */
331 if (c
== 0 && long_options
[option_index
].flag
== 0)
332 c
= long_options
[option_index
].val
;
337 /* Long option that just sets a flag. */
347 /* FIXME: what if the syntax is wrong (e.g. not digits)? */
348 annotation_level
= atoi (optarg
);
351 /* Enable the display of both time and space usage. */
356 /* --tui is equivalent to -i=tui. */
357 xfree (interpreter_p
);
358 interpreter_p
= xstrdup ("tui");
361 /* FIXME: cagney/2003-03-01: Not sure if this option is
362 actually useful, and if it is, what it should do. */
366 /* -nw is equivalent to -i=console. */
367 xfree (interpreter_p
);
368 interpreter_p
= xstrdup (INTERP_CONSOLE
);
372 annotation_level
= 1;
373 /* We have probably been invoked from emacs. Disable window interface. */
386 /* "corearg" is shared by "--core" and "--pid" */
390 cmdarg
[ncmd
++] = optarg
;
394 cmdarg
= (char **) xrealloc ((char *) cmdarg
,
395 cmdsize
* sizeof (*cmdarg
));
401 extern int gdbtk_test (char *);
402 if (!gdbtk_test (optarg
))
404 fprintf_unfiltered (gdb_stderr
, _("%s: unable to load tclcommand file \"%s\""),
411 /* Backwards compatibility only. */
415 external_editor_command
= xstrdup (optarg
);
420 xfree (interpreter_p
);
421 interpreter_p
= xstrdup (optarg
);
424 dirarg
[ndir
++] = optarg
;
428 dirarg
= (char **) xrealloc ((char *) dirarg
,
429 dirsize
* sizeof (*dirarg
));
443 i
= strtol (optarg
, &p
, 0);
444 if (i
== 0 && p
== optarg
)
446 /* Don't use *_filtered or warning() (which relies on
447 current_target) until after initialize_all_files(). */
451 _("warning: could not set baud rate to `%s'.\n"), optarg
);
461 i
= strtol (optarg
, &p
, 0);
462 if (i
== 0 && p
== optarg
)
464 /* Don't use *_filtered or warning() (which relies on
465 current_target) until after initialize_all_files(). */
469 _("warning: could not set timeout limit to `%s'.\n"), optarg
);
476 fprintf_unfiltered (gdb_stderr
,
477 _("Use `%s --help' for a complete list of options.\n"),
483 /* If --help or --version, disable window interface. */
484 if (print_help
|| print_version
)
491 /* The remaining options are the command-line options for the
492 inferior. The first one is the sym/exec file, and the rest
496 fprintf_unfiltered (gdb_stderr
,
497 _("%s: `--args' specified but no program specified\n"),
501 symarg
= argv
[optind
];
502 execarg
= argv
[optind
];
504 set_inferior_args_vector (argc
- optind
, &argv
[optind
]);
508 /* OK, that's all the options. The other arguments are filenames. */
510 for (; optind
< argc
; optind
++)
514 symarg
= argv
[optind
];
515 execarg
= argv
[optind
];
518 /* The documentation says this can be a "ProcID" as well.
519 We will try it as both a corefile and a pid. */
520 corearg
= argv
[optind
];
523 fprintf_unfiltered (gdb_stderr
,
524 _("Excess command line arguments ignored. (%s%s)\n"),
525 argv
[optind
], (optind
== argc
- 1) ? "" : " ...");
533 /* Initialize all files. Give the interpreter a chance to take
534 control of the console via the init_ui_hook()) */
537 /* Do these (and anything which might call wrap_here or *_filtered)
538 after initialize_all_files() but before the interpreter has been
539 installed. Otherwize the help/version messages will be eaten by
540 the interpreter's output handler. */
544 print_gdb_version (gdb_stdout
);
546 printf_filtered ("\n");
552 print_gdb_help (gdb_stdout
);
553 fputs_unfiltered ("\n", gdb_stdout
);
557 /* FIXME: cagney/2003-02-03: The big hack (part 1 of 2) that lets
558 GDB retain the old MI1 interpreter startup behavior. Output the
559 copyright message before the interpreter is installed. That way
560 it isn't encapsulated in MI output. */
561 if (!quiet
&& strcmp (interpreter_p
, INTERP_MI1
) == 0)
563 /* Print all the junk at the top, with trailing "..." if we are about
564 to read a symbol file (possibly slowly). */
565 print_gdb_version (gdb_stdout
);
567 printf_filtered ("..");
569 gdb_flush (gdb_stdout
); /* Force to screen during slow operations */
573 /* Install the default UI. All the interpreters should have had a
574 look at things by now. Initialize the default interpreter. */
578 struct interp
*interp
= interp_lookup (interpreter_p
);
580 error ("Interpreter `%s' unrecognized", interpreter_p
);
582 if (!interp_set (interp
))
584 fprintf_unfiltered (gdb_stderr
,
585 "Interpreter `%s' failed to initialize.\n",
591 /* FIXME: cagney/2003-02-03: The big hack (part 2 of 2) that lets
592 GDB retain the old MI1 interpreter startup behavior. Output the
593 copyright message after the interpreter is installed when it is
594 any sane interpreter. */
595 if (!quiet
&& !current_interp_named_p (INTERP_MI1
))
597 /* Print all the junk at the top, with trailing "..." if we are about
598 to read a symbol file (possibly slowly). */
599 print_gdb_version (gdb_stdout
);
601 printf_filtered ("..");
603 gdb_flush (gdb_stdout
); /* Force to screen during slow operations */
606 error_pre_print
= "\n\n";
607 quit_pre_print
= error_pre_print
;
609 /* We may get more than one warning, don't double space all of them... */
610 warning_pre_print
= _("\nwarning: ");
612 /* Read and execute $HOME/.gdbinit file, if it exists. This is done
613 *before* all the command line arguments are processed; it sets
614 global parameters, which are independent of what file you are
615 debugging or what directory you are in. */
616 homedir
= getenv ("HOME");
619 homeinit
= (char *) alloca (strlen (homedir
) +
620 strlen (gdbinit
) + 10);
621 strcpy (homeinit
, homedir
);
622 strcat (homeinit
, "/");
623 strcat (homeinit
, gdbinit
);
625 if (!inhibit_gdbinit
)
627 catch_command_errors (source_command
, homeinit
, 0, RETURN_MASK_ALL
);
630 /* Do stats; no need to do them elsewhere since we'll only
631 need them if homedir is set. Make sure that they are
632 zero in case one of them fails (this guarantees that they
633 won't match if either exists). */
635 memset (&homebuf
, 0, sizeof (struct stat
));
636 memset (&cwdbuf
, 0, sizeof (struct stat
));
638 stat (homeinit
, &homebuf
);
639 stat (gdbinit
, &cwdbuf
); /* We'll only need this if
643 /* Now perform all the actions indicated by the arguments. */
646 catch_command_errors (cd_command
, cdarg
, 0, RETURN_MASK_ALL
);
649 for (i
= 0; i
< ndir
; i
++)
650 catch_command_errors (directory_command
, dirarg
[i
], 0, RETURN_MASK_ALL
);
655 && strcmp (execarg
, symarg
) == 0)
657 /* The exec file and the symbol-file are the same. If we can't
658 open it, better only print one error message.
659 catch_command_errors returns non-zero on success! */
660 if (catch_command_errors (exec_file_attach
, execarg
, !batch
, RETURN_MASK_ALL
))
661 catch_command_errors (symbol_file_add_main
, symarg
, 0, RETURN_MASK_ALL
);
666 catch_command_errors (exec_file_attach
, execarg
, !batch
, RETURN_MASK_ALL
);
668 catch_command_errors (symbol_file_add_main
, symarg
, 0, RETURN_MASK_ALL
);
671 /* After the symbol file has been read, print a newline to get us
672 beyond the copyright line... But errors should still set off
673 the error message with a (single) blank line. */
675 printf_filtered ("\n");
676 error_pre_print
= "\n";
677 quit_pre_print
= error_pre_print
;
678 warning_pre_print
= _("\nwarning: ");
682 /* corearg may be either a corefile or a pid.
683 If its first character is a digit, try attach first
684 and then corefile. Otherwise try corefile first. */
686 if (isdigit (corearg
[0]))
688 if (catch_command_errors (attach_command
, corearg
,
689 !batch
, RETURN_MASK_ALL
) == 0)
690 catch_command_errors (core_file_command
, corearg
,
691 !batch
, RETURN_MASK_ALL
);
693 else /* Can't be a pid, better be a corefile. */
694 catch_command_errors (core_file_command
, corearg
,
695 !batch
, RETURN_MASK_ALL
);
699 catch_command_errors (tty_command
, ttyarg
, !batch
, RETURN_MASK_ALL
);
701 /* Error messages should no longer be distinguished with extra output. */
702 error_pre_print
= NULL
;
703 quit_pre_print
= NULL
;
704 warning_pre_print
= _("warning: ");
706 /* Read the .gdbinit file in the current directory, *if* it isn't
707 the same as the $HOME/.gdbinit file (it should exist, also). */
710 || memcmp ((char *) &homebuf
, (char *) &cwdbuf
, sizeof (struct stat
)))
711 if (!inhibit_gdbinit
)
713 catch_command_errors (source_command
, gdbinit
, 0, RETURN_MASK_ALL
);
716 for (i
= 0; i
< ncmd
; i
++)
719 /* NOTE: cagney/1999-11-03: SET_TOP_LEVEL() was a macro that
720 expanded into a call to setjmp(). */
721 if (!SET_TOP_LEVEL ()) /* NB: This is #if 0'd out */
723 /* NOTE: I am commenting this out, because it is not clear
724 where this feature is used. It is very old and
725 undocumented. ezannoni: 1999-05-04 */
727 if (cmdarg
[i
][0] == '-' && cmdarg
[i
][1] == '\0')
728 read_command_file (stdin
);
731 source_command (cmdarg
[i
], !batch
);
732 do_cleanups (ALL_CLEANUPS
);
735 catch_command_errors (source_command
, cmdarg
[i
], !batch
, RETURN_MASK_ALL
);
739 /* Read in the old history after all the command files have been read. */
744 /* We have hit the end of the batch file. */
748 /* Do any host- or target-specific hacks. This is used for i960 targets
749 to force the user to set a nindy target and spec its parameters. */
751 #ifdef BEFORE_MAIN_LOOP_HOOK
752 BEFORE_MAIN_LOOP_HOOK
;
755 END_PROGRESS (argv
[0]);
757 /* Show time and/or space usage. */
761 long init_time
= get_run_time () - time_at_startup
;
763 printf_unfiltered (_("Startup time: %ld.%06ld\n"),
764 init_time
/ 1000000, init_time
% 1000000);
770 extern char **environ
;
771 char *lim
= (char *) sbrk (0);
773 printf_unfiltered (_("Startup size: data size %ld\n"),
774 (long) (lim
- (char *) &environ
));
779 /* FIXME: cagney/1999-11-06: The original main loop was like: */
782 if (!SET_TOP_LEVEL ())
784 do_cleanups (ALL_CLEANUPS
); /* Do complete cleanup */
785 /* GUIs generally have their own command loop, mainloop, or whatever.
786 This is a good place to gain control because many error
787 conditions will end up here via longjmp(). */
788 if (command_loop_hook
)
789 command_loop_hook ();
792 quit_command ((char *) 0, instream
== stdin
);
795 /* NOTE: If the command_loop() returned normally, the loop would
796 attempt to exit by calling the function quit_command(). That
797 function would either call exit() or throw an error returning
798 control to SET_TOP_LEVEL. */
799 /* NOTE: The function do_cleanups() was called once each time round
800 the loop. The usefulness of the call isn't clear. If an error
801 was thrown, everything would have already been cleaned up. If
802 command_loop() returned normally and quit_command() was called,
803 either exit() or error() (again cleaning up) would be called. */
805 /* NOTE: cagney/1999-11-07: There is probably no reason for not
806 moving this loop and the code found in captured_command_loop()
807 into the command_loop() proper. The main thing holding back that
808 change - SET_TOP_LEVEL() - has been eliminated. */
811 catch_errors (captured_command_loop
, 0, "", RETURN_MASK_ALL
);
813 /* No exit -- exit is through quit_command. */
817 gdb_main (struct captured_main_args
*args
)
819 use_windows
= args
->use_windows
;
820 catch_errors (captured_main
, args
, "", RETURN_MASK_ALL
);
821 /* The only way to end up here is by an error (normal exit is
822 handled by quit_force()), hence always return an error status. */
827 /* Don't use *_filtered for printing help. We don't want to prompt
828 for continue no matter how small the screen or how much we're going
832 print_gdb_help (struct ui_file
*stream
)
834 fputs_unfiltered (_("\
835 This is the GNU debugger. Usage:\n\n\
836 gdb [options] [executable-file [core-file or process-id]]\n\
837 gdb [options] --args executable-file [inferior-arguments ...]\n\n\
840 fputs_unfiltered (_("\
841 --args Arguments after executable-file are passed to inferior\n\
843 fputs_unfiltered (_("\
844 --[no]async Enable (disable) asynchronous version of CLI\n\
846 fputs_unfiltered (_("\
847 -b BAUDRATE Set serial port baud rate used for remote debugging.\n\
848 --batch Exit after processing options.\n\
849 --cd=DIR Change current directory to DIR.\n\
850 --command=FILE Execute GDB commands from FILE.\n\
851 --core=COREFILE Analyze the core dump COREFILE.\n\
852 --pid=PID Attach to running process PID.\n\
854 fputs_unfiltered (_("\
855 --dbx DBX compatibility mode.\n\
856 --directory=DIR Search for source files in DIR.\n\
857 --epoch Output information used by epoch emacs-GDB interface.\n\
858 --exec=EXECFILE Use EXECFILE as the executable.\n\
859 --fullname Output information used by emacs-GDB interface.\n\
860 --help Print this message.\n\
862 fputs_unfiltered (_("\
863 --interpreter=INTERP\n\
864 Select a specific interpreter / user interface\n\
866 fputs_unfiltered (_("\
867 --mapped Use mapped symbol files if supported on this system.\n\
868 --nw Do not use a window interface.\n\
869 --nx Do not read "), stream
);
870 fputs_unfiltered (gdbinit
, stream
);
871 fputs_unfiltered (_(" file.\n\
872 --quiet Do not print version number on startup.\n\
873 --readnow Fully read symbol files on first access.\n\
875 fputs_unfiltered (_("\
876 --se=FILE Use FILE as symbol file and executable file.\n\
877 --symbols=SYMFILE Read symbols from SYMFILE.\n\
878 --tty=TTY Use TTY for input/output by the program being debugged.\n\
881 fputs_unfiltered (_("\
882 --tui Use a terminal user interface.\n\
885 fputs_unfiltered (_("\
886 --version Print version information and then exit.\n\
887 -w Use a window interface.\n\
888 --write Set writing into executable and core files.\n\
889 --xdb XDB compatibility mode.\n\
891 fputs_unfiltered (_("\n\
892 For more information, type \"help\" from within GDB, or consult the\n\
893 GDB manual (available as on-line info or a printed manual).\n\
894 Report bugs to \"bug-gdb@gnu.org\".\
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