1 /* Top level stuff for GDB, the GNU debugger.
2 Copyright 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994
3 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 2 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, write to the Free Software
19 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
26 extern FILE *instream;
27 extern char gdb_dirbuf[1024];
28 extern int inhibit_gdbinit;
29 extern int epoch_interface;
30 extern char gdbinit[];
32 /* Generally one should use catch_errors rather than manipulating these
33 directly. The exception is main(). */
34 #if defined(HAVE_SIGSETJMP)
35 #define SIGJMP_BUF sigjmp_buf
36 #define SIGSETJMP(buf) sigsetjmp(buf, 1)
37 #define SIGLONGJMP(buf,val) siglongjmp(buf,val)
39 #define SIGJMP_BUF jmp_buf
40 #define SIGSETJMP(buf) setjmp(buf)
41 #define SIGLONGJMP(buf,val) longjmp(buf,val)
44 /* Temporary variable for SET_TOP_LEVEL. */
48 /* Do a setjmp on error_return and quit_return. catch_errors is
49 generally a cleaner way to do this, but main() would look pretty
50 ugly if it had to use catch_errors each time. */
52 #define SET_TOP_LEVEL() \
53 (((top_level_val = SIGSETJMP (error_return)) \
54 ? (PTR) 0 : (PTR) memcpy (quit_return, error_return, sizeof (SIGJMP_BUF))) \
57 extern SIGJMP_BUF error_return;
58 extern SIGJMP_BUF quit_return;
60 extern void print_gdb_version PARAMS ((GDB_FILE *));
62 extern void source_command PARAMS ((char *, int));
63 extern void cd_command PARAMS ((char *, int));
64 extern void read_command_file PARAMS ((FILE *));
65 extern void init_history PARAMS ((void));
66 extern void command_loop PARAMS ((void));
67 extern int quit_confirm PARAMS ((void));
68 extern void quit_force PARAMS ((char *, int));
69 extern void quit_command PARAMS ((char *, int));
70 extern void command_loop_marker PARAMS ((int));
71 extern int quit_cover PARAMS ((PTR));
72 extern void execute_command PARAMS ((char *, int));
74 /* This function returns a pointer to the string that is used
75 by gdb for its command prompt. */
76 extern char *get_prompt PARAMS((void));
78 /* This function copies the specified string into the string that
79 is used by gdb for its command prompt. */
80 extern void set_prompt PARAMS ((char *));
82 /* From random places. */
83 extern int mapped_symbol_files;
84 extern int readnow_symbol_files;
85 #define ALL_CLEANUPS ((struct cleanup *)0)
87 /* Perform _initialize initialization */
88 extern void gdb_init PARAMS ((char *));
90 /* For use by event-top.c */
91 /* Variables from top.c. */
92 extern int source_line_number;
93 extern char *source_file_name;
94 extern char *source_error;
95 extern char *source_pre_error;
96 extern int history_expansion_p;
97 extern int server_command;