1 /* Top level stuff for GDB, the GNU debugger.
3 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995,
4 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2007, 2008,
5 2009, 2010 Free Software Foundation, Inc.
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 3 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, see <http://www.gnu.org/licenses/>. */
29 #include "exceptions.h"
32 #include <sys/types.h>
36 #include "gdb_string.h"
37 #include "event-loop.h"
43 #include "cli/cli-cmds.h"
44 #include "python/python.h"
47 /* The selected interpreter. This will be used as a set command
48 variable, so it should always be malloc'ed - since
49 do_setshow_command will free it. */
52 /* Whether xdb commands will be handled */
55 /* Whether dbx commands will be handled */
58 /* System root path, used to find libraries etc. */
59 char *gdb_sysroot
= 0;
61 /* GDB datadir, used to store data files. */
62 char *gdb_datadir
= 0;
64 /* If gdb was configured with --with-python=/path,
65 the possibly relocated path to python's lib directory. */
66 char *python_libdir
= 0;
68 struct ui_file
*gdb_stdout
;
69 struct ui_file
*gdb_stderr
;
70 struct ui_file
*gdb_stdlog
;
71 struct ui_file
*gdb_stdin
;
72 /* target IO streams */
73 struct ui_file
*gdb_stdtargin
;
74 struct ui_file
*gdb_stdtarg
;
75 struct ui_file
*gdb_stdtargerr
;
77 /* True if --batch or --batch-silent was seen. */
80 /* Support for the --batch-silent option. */
83 /* Support for --return-child-result option.
84 Set the default to -1 to return error in the case
85 that the program does not run or does not complete. */
86 int return_child_result
= 0;
87 int return_child_result_value
= -1;
89 /* Whether to enable writing into executable and core files */
90 extern int write_files
;
92 /* GDB as it has been invoked from the command line (i.e. argv[0]). */
93 static char *gdb_program_name
;
95 static void print_gdb_help (struct ui_file
*);
97 /* These two are used to set the external editor commands when gdb is farming
98 out files to be edited by another program. */
100 extern char *external_editor_command
;
102 /* Relocate a file or directory. PROGNAME is the name by which gdb
103 was invoked (i.e., argv[0]). INITIAL is the default value for the
104 file or directory. FLAG is true if the value is relocatable, false
105 otherwise. Returns a newly allocated string; this may return NULL
106 under the same conditions as make_relative_prefix. */
108 relocate_path (const char *progname
, const char *initial
, int flag
)
111 return make_relative_prefix (progname
, BINDIR
, initial
);
112 return xstrdup (initial
);
115 /* Like relocate_path, but specifically checks for a directory.
116 INITIAL is relocated according to the rules of relocate_path. If
117 the result is a directory, it is used; otherwise, INITIAL is used.
118 The chosen directory is then canonicalized using lrealpath. This
119 function always returns a newly-allocated string. */
121 relocate_directory (const char *progname
, const char *initial
, int flag
)
125 dir
= relocate_path (progname
, initial
, flag
);
130 if (stat (dir
, &s
) != 0 || !S_ISDIR (s
.st_mode
))
137 dir
= xstrdup (initial
);
139 /* Canonicalize the directory. */
142 char *canon_sysroot
= lrealpath (dir
);
154 /* Compute the locations of init files that GDB should source and return
155 them in SYSTEM_GDBINIT, HOME_GDBINIT, LOCAL_GDBINIT. If there is
156 no system gdbinit (resp. home gdbinit and local gdbinit) to be loaded,
157 then SYSTEM_GDBINIT (resp. HOME_GDBINIT and LOCAL_GDBINIT) is set to
160 get_init_files (char **system_gdbinit
,
162 char **local_gdbinit
)
164 static char *sysgdbinit
= NULL
;
165 static char *homeinit
= NULL
;
166 static char *localinit
= NULL
;
167 static int initialized
= 0;
171 struct stat homebuf
, cwdbuf
, s
;
172 char *homedir
, *relocated_sysgdbinit
;
174 if (SYSTEM_GDBINIT
[0])
176 relocated_sysgdbinit
= relocate_path (gdb_program_name
,
178 SYSTEM_GDBINIT_RELOCATABLE
);
179 if (relocated_sysgdbinit
&& stat (relocated_sysgdbinit
, &s
) == 0)
180 sysgdbinit
= relocated_sysgdbinit
;
182 xfree (relocated_sysgdbinit
);
185 homedir
= getenv ("HOME");
187 /* If the .gdbinit file in the current directory is the same as
188 the $HOME/.gdbinit file, it should not be sourced. homebuf
189 and cwdbuf are used in that purpose. Make sure that the stats
190 are zero in case one of them fails (this guarantees that they
191 won't match if either exists). */
193 memset (&homebuf
, 0, sizeof (struct stat
));
194 memset (&cwdbuf
, 0, sizeof (struct stat
));
198 homeinit
= xstrprintf ("%s/%s", homedir
, gdbinit
);
199 if (stat (homeinit
, &homebuf
) != 0)
206 if (stat (gdbinit
, &cwdbuf
) == 0)
209 || memcmp ((char *) &homebuf
, (char *) &cwdbuf
,
210 sizeof (struct stat
)))
217 *system_gdbinit
= sysgdbinit
;
218 *home_gdbinit
= homeinit
;
219 *local_gdbinit
= localinit
;
222 /* Call command_loop. If it happens to return, pass that through as a
223 non-zero return status. */
226 captured_command_loop (void *data
)
228 current_interp_command_loop ();
229 /* FIXME: cagney/1999-11-05: A correct command_loop() implementaton
230 would clean things up (restoring the cleanup chain) to the state
231 they were just prior to the call. Technically, this means that
232 the do_cleanups() below is redundant. Unfortunately, many FUNCs
233 are not that well behaved. do_cleanups should either be replaced
234 with a do_cleanups call (to cover the problem) or an assertion
235 check to detect bad FUNCs code. */
236 do_cleanups (ALL_CLEANUPS
);
237 /* If the command_loop returned, normally (rather than threw an
238 error) we try to quit. If the quit is aborted, catch_errors()
239 which called this catch the signal and restart the command
241 quit_command (NULL
, instream
== stdin
);
246 captured_main (void *data
)
248 struct captured_main_args
*context
= data
;
249 int argc
= context
->argc
;
250 char **argv
= context
->argv
;
251 static int quiet
= 0;
252 static int set_args
= 0;
254 /* Pointers to various arguments from command line. */
256 char *execarg
= NULL
;
258 char *corearg
= NULL
;
259 char *pid_or_core_arg
= NULL
;
263 /* These are static so that we can take their address in an initializer. */
264 static int print_help
;
265 static int print_version
;
267 /* Pointers to all arguments of --command option. */
275 /* Allocated size of cmdarg. */
277 /* Number of elements of cmdarg used. */
280 /* Indices of all arguments of --directory option. */
282 /* Allocated size. */
284 /* Number of elements used. */
287 /* gdb init files. */
288 char *system_gdbinit
;
294 struct objfile
*objfile
;
296 struct cleanup
*pre_stat_chain
= make_command_stats_cleanup (0);
298 #if defined (HAVE_SETLOCALE) && defined (HAVE_LC_MESSAGES)
299 setlocale (LC_MESSAGES
, "");
301 #if defined (HAVE_SETLOCALE)
302 setlocale (LC_CTYPE
, "");
304 bindtextdomain (PACKAGE
, LOCALEDIR
);
305 textdomain (PACKAGE
);
308 lim_at_start
= (char *) sbrk (0);
312 cmdarg
= (struct cmdarg
*) xmalloc (cmdsize
* sizeof (*cmdarg
));
315 dirarg
= (char **) xmalloc (dirsize
* sizeof (*dirarg
));
319 line
= (char *) xmalloc (linesize
);
320 line
[0] = '\0'; /* Terminate saved (now empty) cmd line */
323 gdb_stdout
= stdio_fileopen (stdout
);
324 gdb_stderr
= stdio_fileopen (stderr
);
325 gdb_stdlog
= gdb_stderr
; /* for moment */
326 gdb_stdtarg
= gdb_stderr
; /* for moment */
327 gdb_stdin
= stdio_fileopen (stdin
);
328 gdb_stdtargerr
= gdb_stderr
; /* for moment */
329 gdb_stdtargin
= gdb_stdin
; /* for moment */
331 gdb_program_name
= xstrdup (argv
[0]);
333 if (! getcwd (gdb_dirbuf
, sizeof (gdb_dirbuf
)))
334 /* Don't use *_filtered or warning() (which relies on
335 current_target) until after initialize_all_files(). */
336 fprintf_unfiltered (gdb_stderr
,
337 _("%s: warning: error finding working directory: %s\n"),
338 argv
[0], safe_strerror (errno
));
340 current_directory
= gdb_dirbuf
;
342 /* Set the sysroot path. */
343 gdb_sysroot
= relocate_directory (argv
[0], TARGET_SYSTEM_ROOT
,
344 TARGET_SYSTEM_ROOT_RELOCATABLE
);
346 debug_file_directory
= relocate_directory (argv
[0], DEBUGDIR
,
347 DEBUGDIR_RELOCATABLE
);
349 gdb_datadir
= relocate_directory (argv
[0], GDB_DATADIR
,
350 GDB_DATADIR_RELOCATABLE
);
352 #ifdef WITH_PYTHON_PATH
353 /* For later use in helping Python find itself. */
354 python_libdir
= relocate_directory (argv
[0],
355 concat (WITH_PYTHON_PATH
,
356 SLASH_STRING
, "lib", NULL
),
357 PYTHON_PATH_RELOCATABLE
);
361 add_substitute_path_rule (RELOC_SRCDIR
,
362 make_relative_prefix (argv
[0], BINDIR
,
366 /* There will always be an interpreter. Either the one passed into
367 this captured main, or one specified by the user at start up, or
368 the console. Initialize the interpreter to the one requested by
370 interpreter_p
= xstrdup (context
->interpreter_p
);
372 /* Parse arguments and options. */
375 /* When var field is 0, use flag field to record the equivalent
376 short option (or arbitrary numbers starting at 10 for those
377 with no equivalent). */
387 static struct option long_options
[] =
389 {"tui", no_argument
, 0, OPT_TUI
},
390 {"xdb", no_argument
, &xdb_commands
, 1},
391 {"dbx", no_argument
, &dbx_commands
, 1},
392 {"readnow", no_argument
, &readnow_symbol_files
, 1},
393 {"r", no_argument
, &readnow_symbol_files
, 1},
394 {"quiet", no_argument
, &quiet
, 1},
395 {"q", no_argument
, &quiet
, 1},
396 {"silent", no_argument
, &quiet
, 1},
397 {"nx", no_argument
, &inhibit_gdbinit
, 1},
398 {"n", no_argument
, &inhibit_gdbinit
, 1},
399 {"batch-silent", no_argument
, 0, 'B'},
400 {"batch", no_argument
, &batch_flag
, 1},
401 {"epoch", no_argument
, &epoch_interface
, 1},
403 /* This is a synonym for "--annotate=1". --annotate is now preferred,
404 but keep this here for a long time because people will be running
405 emacses which use --fullname. */
406 {"fullname", no_argument
, 0, 'f'},
407 {"f", no_argument
, 0, 'f'},
409 {"annotate", required_argument
, 0, OPT_ANNOTATE
},
410 {"help", no_argument
, &print_help
, 1},
411 {"se", required_argument
, 0, OPT_SE
},
412 {"symbols", required_argument
, 0, 's'},
413 {"s", required_argument
, 0, 's'},
414 {"exec", required_argument
, 0, 'e'},
415 {"e", required_argument
, 0, 'e'},
416 {"core", required_argument
, 0, 'c'},
417 {"c", required_argument
, 0, 'c'},
418 {"pid", required_argument
, 0, 'p'},
419 {"p", required_argument
, 0, 'p'},
420 {"command", required_argument
, 0, 'x'},
421 {"eval-command", required_argument
, 0, 'X'},
422 {"version", no_argument
, &print_version
, 1},
423 {"x", required_argument
, 0, 'x'},
424 {"ex", required_argument
, 0, 'X'},
426 {"tclcommand", required_argument
, 0, 'z'},
427 {"enable-external-editor", no_argument
, 0, 'y'},
428 {"editor-command", required_argument
, 0, 'w'},
430 {"ui", required_argument
, 0, 'i'},
431 {"interpreter", required_argument
, 0, 'i'},
432 {"i", required_argument
, 0, 'i'},
433 {"directory", required_argument
, 0, 'd'},
434 {"d", required_argument
, 0, 'd'},
435 {"cd", required_argument
, 0, OPT_CD
},
436 {"tty", required_argument
, 0, 't'},
437 {"baud", required_argument
, 0, 'b'},
438 {"b", required_argument
, 0, 'b'},
439 {"nw", no_argument
, NULL
, OPT_NOWINDOWS
},
440 {"nowindows", no_argument
, NULL
, OPT_NOWINDOWS
},
441 {"w", no_argument
, NULL
, OPT_WINDOWS
},
442 {"windows", no_argument
, NULL
, OPT_WINDOWS
},
443 {"statistics", no_argument
, 0, OPT_STATISTICS
},
444 {"write", no_argument
, &write_files
, 1},
445 {"args", no_argument
, &set_args
, 1},
446 {"l", required_argument
, 0, 'l'},
447 {"return-child-result", no_argument
, &return_child_result
, 1},
448 {0, no_argument
, 0, 0}
455 c
= getopt_long_only (argc
, argv
, "",
456 long_options
, &option_index
);
457 if (c
== EOF
|| set_args
)
460 /* Long option that takes an argument. */
461 if (c
== 0 && long_options
[option_index
].flag
== 0)
462 c
= long_options
[option_index
].val
;
467 /* Long option that just sets a flag. */
477 /* FIXME: what if the syntax is wrong (e.g. not digits)? */
478 annotation_level
= atoi (optarg
);
481 /* Enable the display of both time and space usage. */
482 set_display_time (1);
483 set_display_space (1);
486 /* --tui is equivalent to -i=tui. */
488 xfree (interpreter_p
);
489 interpreter_p
= xstrdup (INTERP_TUI
);
491 fprintf_unfiltered (gdb_stderr
,
492 _("%s: TUI mode is not supported\n"),
498 /* FIXME: cagney/2003-03-01: Not sure if this option is
499 actually useful, and if it is, what it should do. */
501 /* --windows is equivalent to -i=insight. */
502 xfree (interpreter_p
);
503 interpreter_p
= xstrdup (INTERP_INSIGHT
);
508 /* -nw is equivalent to -i=console. */
509 xfree (interpreter_p
);
510 interpreter_p
= xstrdup (INTERP_CONSOLE
);
514 annotation_level
= 1;
515 /* We have probably been invoked from emacs. Disable window interface. */
531 cmdarg
[ncmd
].type
= CMDARG_FILE
;
532 cmdarg
[ncmd
++].string
= optarg
;
536 cmdarg
= xrealloc ((char *) cmdarg
,
537 cmdsize
* sizeof (*cmdarg
));
541 cmdarg
[ncmd
].type
= CMDARG_COMMAND
;
542 cmdarg
[ncmd
++].string
= optarg
;
546 cmdarg
= xrealloc ((char *) cmdarg
,
547 cmdsize
* sizeof (*cmdarg
));
551 batch_flag
= batch_silent
= 1;
552 gdb_stdout
= ui_file_new();
557 extern int gdbtk_test (char *);
558 if (!gdbtk_test (optarg
))
560 fprintf_unfiltered (gdb_stderr
, _("%s: unable to load tclcommand file \"%s\""),
567 /* Backwards compatibility only. */
571 external_editor_command
= xstrdup (optarg
);
576 xfree (interpreter_p
);
577 interpreter_p
= xstrdup (optarg
);
580 dirarg
[ndir
++] = optarg
;
584 dirarg
= (char **) xrealloc ((char *) dirarg
,
585 dirsize
* sizeof (*dirarg
));
599 i
= strtol (optarg
, &p
, 0);
600 if (i
== 0 && p
== optarg
)
602 /* Don't use *_filtered or warning() (which relies on
603 current_target) until after initialize_all_files(). */
607 _("warning: could not set baud rate to `%s'.\n"), optarg
);
617 i
= strtol (optarg
, &p
, 0);
618 if (i
== 0 && p
== optarg
)
620 /* Don't use *_filtered or warning() (which relies on
621 current_target) until after initialize_all_files(). */
625 _("warning: could not set timeout limit to `%s'.\n"), optarg
);
632 fprintf_unfiltered (gdb_stderr
,
633 _("Use `%s --help' for a complete list of options.\n"),
639 /* If --help or --version, disable window interface. */
640 if (print_help
|| print_version
)
649 /* Initialize all files. Give the interpreter a chance to take
650 control of the console via the deprecated_init_ui_hook (). */
653 /* Now that gdb_init has created the initial inferior, we're in position
654 to set args for that inferior. */
657 /* The remaining options are the command-line options for the
658 inferior. The first one is the sym/exec file, and the rest
662 fprintf_unfiltered (gdb_stderr
,
663 _("%s: `--args' specified but no program specified\n"),
667 symarg
= argv
[optind
];
668 execarg
= argv
[optind
];
670 set_inferior_args_vector (argc
- optind
, &argv
[optind
]);
674 /* OK, that's all the options. */
676 /* The first argument, if specified, is the name of the
680 symarg
= argv
[optind
];
681 execarg
= argv
[optind
];
685 /* If the user hasn't already specified a PID or the name of a
686 core file, then a second optional argument is allowed. If
687 present, this argument should be interpreted as either a
688 PID or a core file, whichever works. */
689 if (pidarg
== NULL
&& corearg
== NULL
&& optind
< argc
)
691 pid_or_core_arg
= argv
[optind
];
695 /* Any argument left on the command line is unexpected and
696 will be ignored. Inform the user. */
698 fprintf_unfiltered (gdb_stderr
, _("\
699 Excess command line arguments ignored. (%s%s)\n"),
701 (optind
== argc
- 1) ? "" : " ...");
704 /* Lookup gdbinit files. Note that the gdbinit file name may be overriden
705 during file initialization, so get_init_files should be called after
707 get_init_files (&system_gdbinit
, &home_gdbinit
, &local_gdbinit
);
709 /* Do these (and anything which might call wrap_here or *_filtered)
710 after initialize_all_files() but before the interpreter has been
711 installed. Otherwize the help/version messages will be eaten by
712 the interpreter's output handler. */
716 print_gdb_version (gdb_stdout
);
718 printf_filtered ("\n");
724 print_gdb_help (gdb_stdout
);
725 fputs_unfiltered ("\n", gdb_stdout
);
729 /* FIXME: cagney/2003-02-03: The big hack (part 1 of 2) that lets
730 GDB retain the old MI1 interpreter startup behavior. Output the
731 copyright message before the interpreter is installed. That way
732 it isn't encapsulated in MI output. */
733 if (!quiet
&& strcmp (interpreter_p
, INTERP_MI1
) == 0)
735 /* Print all the junk at the top, with trailing "..." if we are about
736 to read a symbol file (possibly slowly). */
737 print_gdb_version (gdb_stdout
);
739 printf_filtered ("..");
741 printf_filtered ("\n");
742 gdb_flush (gdb_stdout
); /* Force to screen during slow operations */
746 /* Install the default UI. All the interpreters should have had a
747 look at things by now. Initialize the default interpreter. */
751 struct interp
*interp
= interp_lookup (interpreter_p
);
754 error (_("Interpreter `%s' unrecognized"), interpreter_p
);
756 if (!interp_set (interp
, 1))
758 fprintf_unfiltered (gdb_stderr
,
759 "Interpreter `%s' failed to initialize.\n",
765 /* FIXME: cagney/2003-02-03: The big hack (part 2 of 2) that lets
766 GDB retain the old MI1 interpreter startup behavior. Output the
767 copyright message after the interpreter is installed when it is
768 any sane interpreter. */
769 if (!quiet
&& !current_interp_named_p (INTERP_MI1
))
771 /* Print all the junk at the top, with trailing "..." if we are about
772 to read a symbol file (possibly slowly). */
773 print_gdb_version (gdb_stdout
);
775 printf_filtered ("..");
777 printf_filtered ("\n");
778 gdb_flush (gdb_stdout
); /* Force to screen during slow operations */
781 /* Set off error and warning messages with a blank line. */
782 error_pre_print
= "\n";
783 quit_pre_print
= error_pre_print
;
784 warning_pre_print
= _("\nwarning: ");
786 /* Read and execute the system-wide gdbinit file, if it exists.
787 This is done *before* all the command line arguments are
788 processed; it sets global parameters, which are independent of
789 what file you are debugging or what directory you are in. */
790 if (system_gdbinit
&& !inhibit_gdbinit
)
791 catch_command_errors (source_script
, system_gdbinit
, 0, RETURN_MASK_ALL
);
793 /* Read and execute $HOME/.gdbinit file, if it exists. This is done
794 *before* all the command line arguments are processed; it sets
795 global parameters, which are independent of what file you are
796 debugging or what directory you are in. */
798 if (home_gdbinit
&& !inhibit_gdbinit
)
799 catch_command_errors (source_script
, home_gdbinit
, 0, RETURN_MASK_ALL
);
801 /* Now perform all the actions indicated by the arguments. */
804 catch_command_errors (cd_command
, cdarg
, 0, RETURN_MASK_ALL
);
807 for (i
= 0; i
< ndir
; i
++)
808 catch_command_errors (directory_switch
, dirarg
[i
], 0, RETURN_MASK_ALL
);
811 /* Skip auto-loading section-specified scripts until we've sourced
812 local_gdbinit (which is often used to augment the source search path). */
813 save_auto_load
= gdbpy_global_auto_load
;
814 gdbpy_global_auto_load
= 0;
818 && strcmp (execarg
, symarg
) == 0)
820 /* The exec file and the symbol-file are the same. If we can't
821 open it, better only print one error message.
822 catch_command_errors returns non-zero on success! */
823 if (catch_command_errors (exec_file_attach
, execarg
, !batch_flag
, RETURN_MASK_ALL
))
824 catch_command_errors (symbol_file_add_main
, symarg
, !batch_flag
, RETURN_MASK_ALL
);
829 catch_command_errors (exec_file_attach
, execarg
, !batch_flag
, RETURN_MASK_ALL
);
831 catch_command_errors (symbol_file_add_main
, symarg
, !batch_flag
, RETURN_MASK_ALL
);
834 if (corearg
&& pidarg
)
836 Can't attach to process and specify a core file at the same time."));
839 catch_command_errors (core_file_command
, corearg
,
840 !batch_flag
, RETURN_MASK_ALL
);
841 else if (pidarg
!= NULL
)
842 catch_command_errors (attach_command
, pidarg
,
843 !batch_flag
, RETURN_MASK_ALL
);
844 else if (pid_or_core_arg
)
846 /* The user specified 'gdb program pid' or gdb program core'.
847 If pid_or_core_arg's first character is a digit, try attach
848 first and then corefile. Otherwise try just corefile. */
850 if (isdigit (pid_or_core_arg
[0]))
852 if (catch_command_errors (attach_command
, pid_or_core_arg
,
853 !batch_flag
, RETURN_MASK_ALL
) == 0)
854 catch_command_errors (core_file_command
, pid_or_core_arg
,
855 !batch_flag
, RETURN_MASK_ALL
);
857 else /* Can't be a pid, better be a corefile. */
858 catch_command_errors (core_file_command
, pid_or_core_arg
,
859 !batch_flag
, RETURN_MASK_ALL
);
863 set_inferior_io_terminal (ttyarg
);
865 /* Error messages should no longer be distinguished with extra output. */
866 error_pre_print
= NULL
;
867 quit_pre_print
= NULL
;
868 warning_pre_print
= _("warning: ");
870 /* Read the .gdbinit file in the current directory, *if* it isn't
871 the same as the $HOME/.gdbinit file (it should exist, also). */
872 if (local_gdbinit
&& !inhibit_gdbinit
)
873 catch_command_errors (source_script
, local_gdbinit
, 0, RETURN_MASK_ALL
);
875 /* Now that all .gdbinit's have been read and all -d options have been
876 processed, we can read any scripts mentioned in SYMARG.
877 We wait until now because it is common to add to the source search
878 path in local_gdbinit. */
879 gdbpy_global_auto_load
= save_auto_load
;
880 ALL_OBJFILES (objfile
)
881 load_auto_scripts_for_objfile (objfile
);
883 for (i
= 0; i
< ncmd
; i
++)
885 if (cmdarg
[i
].type
== CMDARG_FILE
)
886 catch_command_errors (source_script
, cmdarg
[i
].string
,
887 !batch_flag
, RETURN_MASK_ALL
);
888 else /* cmdarg[i].type == CMDARG_COMMAND */
889 catch_command_errors (execute_command
, cmdarg
[i
].string
,
890 !batch_flag
, RETURN_MASK_ALL
);
894 /* Read in the old history after all the command files have been read. */
899 /* We have hit the end of the batch file. */
900 quit_force (NULL
, 0);
903 /* Show time and/or space usage. */
904 do_cleanups (pre_stat_chain
);
906 /* NOTE: cagney/1999-11-07: There is probably no reason for not
907 moving this loop and the code found in captured_command_loop()
908 into the command_loop() proper. The main thing holding back that
909 change - SET_TOP_LEVEL() - has been eliminated. */
912 catch_errors (captured_command_loop
, 0, "", RETURN_MASK_ALL
);
914 /* No exit -- exit is through quit_command. */
918 gdb_main (struct captured_main_args
*args
)
920 use_windows
= args
->use_windows
;
921 catch_errors (captured_main
, args
, "", RETURN_MASK_ALL
);
922 /* The only way to end up here is by an error (normal exit is
923 handled by quit_force()), hence always return an error status. */
928 /* Don't use *_filtered for printing help. We don't want to prompt
929 for continue no matter how small the screen or how much we're going
933 print_gdb_help (struct ui_file
*stream
)
935 char *system_gdbinit
;
939 get_init_files (&system_gdbinit
, &home_gdbinit
, &local_gdbinit
);
941 fputs_unfiltered (_("\
942 This is the GNU debugger. Usage:\n\n\
943 gdb [options] [executable-file [core-file or process-id]]\n\
944 gdb [options] --args executable-file [inferior-arguments ...]\n\n\
947 fputs_unfiltered (_("\
948 --args Arguments after executable-file are passed to inferior\n\
950 fputs_unfiltered (_("\
951 -b BAUDRATE Set serial port baud rate used for remote debugging.\n\
952 --batch Exit after processing options.\n\
953 --batch-silent As for --batch, but suppress all gdb stdout output.\n\
954 --return-child-result\n\
955 GDB exit code will be the child's exit code.\n\
956 --cd=DIR Change current directory to DIR.\n\
957 --command=FILE, -x Execute GDB commands from FILE.\n\
958 --eval-command=COMMAND, -ex\n\
959 Execute a single GDB command.\n\
960 May be used multiple times and in conjunction\n\
962 --core=COREFILE Analyze the core dump COREFILE.\n\
963 --pid=PID Attach to running process PID.\n\
965 fputs_unfiltered (_("\
966 --dbx DBX compatibility mode.\n\
967 --directory=DIR Search for source files in DIR.\n\
968 --epoch Output information used by epoch emacs-GDB interface.\n\
969 --exec=EXECFILE Use EXECFILE as the executable.\n\
970 --fullname Output information used by emacs-GDB interface.\n\
971 --help Print this message.\n\
973 fputs_unfiltered (_("\
974 --interpreter=INTERP\n\
975 Select a specific interpreter / user interface\n\
977 fputs_unfiltered (_("\
978 -l TIMEOUT Set timeout in seconds for remote debugging.\n\
979 --nw Do not use a window interface.\n\
980 --nx Do not read "), stream
);
981 fputs_unfiltered (gdbinit
, stream
);
982 fputs_unfiltered (_(" file.\n\
983 --quiet Do not print version number on startup.\n\
984 --readnow Fully read symbol files on first access.\n\
986 fputs_unfiltered (_("\
987 --se=FILE Use FILE as symbol file and executable file.\n\
988 --symbols=SYMFILE Read symbols from SYMFILE.\n\
989 --tty=TTY Use TTY for input/output by the program being debugged.\n\
992 fputs_unfiltered (_("\
993 --tui Use a terminal user interface.\n\
996 fputs_unfiltered (_("\
997 --version Print version information and then exit.\n\
998 -w Use a window interface.\n\
999 --write Set writing into executable and core files.\n\
1000 --xdb XDB compatibility mode.\n\
1002 fputs_unfiltered (_("\n\
1003 At startup, GDB reads the following init files and executes their commands:\n\
1006 fprintf_unfiltered (stream
, _("\
1007 * system-wide init file: %s\n\
1008 "), system_gdbinit
);
1010 fprintf_unfiltered (stream
, _("\
1011 * user-specific init file: %s\n\
1014 fprintf_unfiltered (stream
, _("\
1015 * local init file: ./%s\n\
1017 fputs_unfiltered (_("\n\
1018 For more information, type \"help\" from within GDB, or consult the\n\
1019 GDB manual (available as on-line info or a printed manual).\n\
1021 if (REPORT_BUGS_TO
[0] && stream
== gdb_stdout
)
1022 fprintf_unfiltered (stream
, _("\
1023 Report bugs to \"%s\".\n\
1024 "), REPORT_BUGS_TO
);