xref: /netbsd-src/sys/ddb/db_variables.h (revision ae1bfcddc410612bc8c58b807e1830becb69a24c)
1 /*
2  * Mach Operating System
3  * Copyright (c) 1991,1990 Carnegie Mellon University
4  * All Rights Reserved.
5  *
6  * Permission to use, copy, modify and distribute this software and its
7  * documentation is hereby granted, provided that both the copyright
8  * notice and this permission notice appear in all copies of the
9  * software, derivative works or modified versions, and any portions
10  * thereof, and that both notices appear in supporting documentation.
11  *
12  * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS
13  * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
14  * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
15  *
16  * Carnegie Mellon requests users of this software to return to
17  *
18  *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
19  *  School of Computer Science
20  *  Carnegie Mellon University
21  *  Pittsburgh PA 15213-3890
22  *
23  * any improvements or extensions that they make and grant Carnegie the
24  * rights to redistribute these changes.
25  *
26  * 	Author: David B. Golub, Carnegie Mellon University
27  *	Date:	7/90
28  *	$Id: db_variables.h,v 1.3 1994/02/15 14:50:47 mycroft Exp $
29  */
30 
31 #ifndef	_DB_VARIABLES_H_
32 #define	_DB_VARIABLES_H_
33 
34 /*
35  * Debugger variables.
36  */
37 struct db_variable {
38 	char	*name;		/* Name of variable */
39 	int	*valuep;	/* value of variable */
40 				/* function to call when reading/writing */
41 	int	(*fcn)(/* db_variable *vp, db_expr_t *valuep, int op */);
42 #define DB_VAR_GET	0
43 #define DB_VAR_SET	1
44 };
45 #define	FCN_NULL	((int (*)())0)
46 
47 extern struct db_variable	db_vars[];	/* debugger variables */
48 extern struct db_variable	*db_evars;
49 extern struct db_variable	db_regs[];	/* machine registers */
50 extern struct db_variable	*db_eregs;
51 
52 #endif	/* _DB_VARIABLES_H_ */
53