1/* $OpenBSD: db_variables.h,v 1.8 2016/01/25 14:30:30 mpi Exp $ */
2/* $NetBSD: db_variables.h,v 1.5 1996/02/05 01:57:21 christos Exp $ */
3
4/*
5 * Mach Operating System
6 * Copyright (c) 1993,1992,1991,1990 Carnegie Mellon University
7 * All Rights Reserved.
8 *
9 * Permission to use, copy, modify and distribute this software and its
10 * documentation is hereby granted, provided that both the copyright
11 * notice and this permission notice appear in all copies of the
12 * software, derivative works or modified versions, and any portions
13 * thereof, and that both notices appear in supporting documentation.
14 *
15 * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
16 * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
17 * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
18 *
19 * Carnegie Mellon requests users of this software to return to
20 *
21 * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
22 * School of Computer Science
23 * Carnegie Mellon University
24 * Pittsburgh PA 15213-3890
25 *
26 * any improvements or extensions that they make and grant Carnegie Mellon
27 * the rights to redistribute these changes.
28 *
29 * Author: David B. Golub, Carnegie Mellon University
30 * Date: 7/90
31 */
32
33#ifndef _DB_VARIABLES_H_
34#define _DB_VARIABLES_H_
35
36/*
37 * Debugger variables.
38 */
39struct db_variable {
40 char *name; /* Name of variable */
41 long *valuep; /* value of variable */
42 /* function to call when reading/writing */
43 int (*fcn)(struct db_variable *, db_expr_t *, int);
44#define DB_VAR_GET 0
45#define DB_VAR_SET 1
46};
47#define FCN_NULL ((int (*)(struct db_variable *, db_expr_t *, int))0)
48
49extern struct db_variable db_vars[]; /* debugger variables */
50extern struct db_variable *db_evars;
51extern struct db_variable db_regs[]; /* machine registers */
52extern struct db_variable *db_eregs;
53
54int db_find_variable(struct db_variable **);
55int db_get_variable(db_expr_t *);
56int db_set_variable(db_expr_t);
57void db_read_variable(struct db_variable *, db_expr_t *);
58void db_write_variable(struct db_variable *, db_expr_t *);
59void db_set_cmd(db_expr_t, int, db_expr_t, char *);
60int db_var_rw_int(struct db_variable *, db_expr_t *, int);
61
62#endif /* _DB_VARIABLES_H_ */