xref: /titanic_41/usr/src/lib/libdtrace/common/dt_regset.h (revision e5803b76927480e8f9b67b22201c484ccf4c2bcf)
1 /*
2  * CDDL HEADER START
3  *
4  * The contents of this file are subject to the terms of the
5  * Common Development and Distribution License, Version 1.0 only
6  * (the "License").  You may not use this file except in compliance
7  * with the License.
8  *
9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10  * or http://www.opensolaris.org/os/licensing.
11  * See the License for the specific language governing permissions
12  * and limitations under the License.
13  *
14  * When distributing Covered Code, include this CDDL HEADER in each
15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16  * If applicable, add the following below this CDDL HEADER, with the
17  * fields enclosed by brackets "[]" replaced with your own identifying
18  * information: Portions Copyright [yyyy] [name of copyright owner]
19  *
20  * CDDL HEADER END
21  */
22 
23 /*
24  * Copyright 2003 Sun Microsystems, Inc.  All rights reserved.
25  * Use is subject to license terms.
26  */
27 
28 /*
29  * Copyright (c) 2012 by Delphix. All rights reserved.
30  */
31 
32 #ifndef	_DT_REGSET_H
33 #define	_DT_REGSET_H
34 
35 #include <sys/types.h>
36 
37 #ifdef	__cplusplus
38 extern "C" {
39 #endif
40 
41 typedef struct dt_regset {
42 	ulong_t dr_size;		/* number of registers in set */
43 	ulong_t *dr_bitmap;		/* bitmap of active registers */
44 } dt_regset_t;
45 
46 extern dt_regset_t *dt_regset_create(ulong_t);
47 extern void dt_regset_destroy(dt_regset_t *);
48 extern void dt_regset_reset(dt_regset_t *);
49 extern int dt_regset_alloc(dt_regset_t *);
50 extern void dt_regset_free(dt_regset_t *, int);
51 extern void dt_regset_assert_free(dt_regset_t *);
52 
53 #ifdef	__cplusplus
54 }
55 #endif
56 
57 #endif	/* _DT_REGSET_H */
58