e05140ada9d3300cf0c05473f6e2ca730541e496
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
;
86 /* Perform _initialize initialization */
87 extern void gdb_init
PARAMS ((char *));
89 /* For use by event-top.c */
90 /* Variables from top.c. */
91 extern int source_line_number
;
92 extern char *source_file_name
;
93 extern char *source_error
;
94 extern char *source_pre_error
;
95 extern int history_expansion_p
;
96 extern int server_command
;
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