xref: /netbsd-src/sys/ddb/db_variables.h (revision 3b01aba77a7a698587faaae455bbfe740923c1f5)
1 /*	$NetBSD: db_variables.h,v 1.11 2001/05/13 01:38:53 ross Exp $	*/
2 
3 /*
4  * Mach Operating System
5  * Copyright (c) 1991,1990 Carnegie Mellon University
6  * All Rights Reserved.
7  *
8  * Permission to use, copy, modify and distribute this software and its
9  * documentation is hereby granted, provided that both the copyright
10  * notice and this permission notice appear in all copies of the
11  * software, derivative works or modified versions, and any portions
12  * thereof, and that both notices appear in supporting documentation.
13  *
14  * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
15  * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
16  * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
17  *
18  * Carnegie Mellon requests users of this software to return to
19  *
20  *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
21  *  School of Computer Science
22  *  Carnegie Mellon University
23  *  Pittsburgh PA 15213-3890
24  *
25  * any improvements or extensions that they make and grant Carnegie the
26  * rights to redistribute these changes.
27  *
28  * 	Author: David B. Golub, Carnegie Mellon University
29  *	Date:	7/90
30  */
31 
32 #ifndef	_DB_VARIABLES_H_
33 #define	_DB_VARIABLES_H_
34 
35 /*
36  * Debugger variables.
37  */
38 struct db_variable {
39 	const char *name;	/* Name of variable */
40 	long	*valuep;	/* value of variable */
41 				/* function to call when reading/writing */
42 	int	(*fcn) __P((const struct db_variable *, db_expr_t *, int));
43 	char	*modif;
44 #define DB_VAR_GET	0
45 #define DB_VAR_SET	1
46 };
47 #define	FCN_NULL ((int (*) __P((const struct db_variable *, db_expr_t *, int)))0)
48 
49 extern const struct db_variable	db_vars[];	/* debugger variables */
50 extern const struct db_variable	* const db_evars;
51 extern const struct db_variable	db_regs[];	/* machine registers */
52 extern const struct db_variable	* const db_eregs;
53 
54 int db_find_variable __P((const struct db_variable **));
55 int db_get_variable __P((db_expr_t *));
56 int db_set_variable __P((db_expr_t));
57 void db_read_variable __P((const struct db_variable *, db_expr_t *));
58 void db_write_variable __P((const struct db_variable *, db_expr_t *));
59 void db_set_cmd __P((db_expr_t, int, db_expr_t, char *));
60 
61 #endif	/* _DB_VARIABLES_H_ */
62