xref: /freebsd/sys/compat/freebsd32/freebsd32_misc.h (revision 95ee2897e98f5d444f26ed2334cc7c439f9c16c6)
1d6f6b876SPawel Jakub Dawidek /*-
2*4d846d26SWarner Losh  * SPDX-License-Identifier: BSD-2-Clause
37f2d13d6SPedro F. Giffuni  *
4d6f6b876SPawel Jakub Dawidek  * Copyright (c) 2013 The FreeBSD Foundation
5d6f6b876SPawel Jakub Dawidek  *
6d6f6b876SPawel Jakub Dawidek  * This software was developed by Pawel Jakub Dawidek under sponsorship from
7d6f6b876SPawel Jakub Dawidek  * the FreeBSD Foundation.
8d6f6b876SPawel Jakub Dawidek  *
9d6f6b876SPawel Jakub Dawidek  * Redistribution and use in source and binary forms, with or without
10d6f6b876SPawel Jakub Dawidek  * modification, are permitted provided that the following conditions
11d6f6b876SPawel Jakub Dawidek  * are met:
12d6f6b876SPawel Jakub Dawidek  * 1. Redistributions of source code must retain the above copyright
13d6f6b876SPawel Jakub Dawidek  *    notice, this list of conditions and the following disclaimer.
14d6f6b876SPawel Jakub Dawidek  * 2. Redistributions in binary form must reproduce the above copyright
15d6f6b876SPawel Jakub Dawidek  *    notice, this list of conditions and the following disclaimer in the
16d6f6b876SPawel Jakub Dawidek  *    documentation and/or other materials provided with the distribution.
17d6f6b876SPawel Jakub Dawidek  *
18d6f6b876SPawel Jakub Dawidek  * THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND
19d6f6b876SPawel Jakub Dawidek  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20d6f6b876SPawel Jakub Dawidek  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21d6f6b876SPawel Jakub Dawidek  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE
22d6f6b876SPawel Jakub Dawidek  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23d6f6b876SPawel Jakub Dawidek  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
24d6f6b876SPawel Jakub Dawidek  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25d6f6b876SPawel Jakub Dawidek  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26d6f6b876SPawel Jakub Dawidek  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27d6f6b876SPawel Jakub Dawidek  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28d6f6b876SPawel Jakub Dawidek  * SUCH DAMAGE.
29d6f6b876SPawel Jakub Dawidek  */
30d6f6b876SPawel Jakub Dawidek 
31d6f6b876SPawel Jakub Dawidek #ifndef	_COMPAT_FREEBSD32_MISC_H_
32d6f6b876SPawel Jakub Dawidek #define	_COMPAT_FREEBSD32_MISC_H_
33d6f6b876SPawel Jakub Dawidek 
34d6f6b876SPawel Jakub Dawidek #include <sys/endian.h>
35d6f6b876SPawel Jakub Dawidek 
36d6f6b876SPawel Jakub Dawidek #if BYTE_ORDER == BIG_ENDIAN
37d6f6b876SPawel Jakub Dawidek #define	PAIR32TO64(type, name)	((name ## 2) | ((type)(name ## 1) << 32))
38d6f6b876SPawel Jakub Dawidek #define	RETVAL_HI	0
39d6f6b876SPawel Jakub Dawidek #define	RETVAL_LO	1
40d6f6b876SPawel Jakub Dawidek #else
41d6f6b876SPawel Jakub Dawidek #define	PAIR32TO64(type, name)	((name ## 1) | ((type)(name ## 2) << 32))
42d6f6b876SPawel Jakub Dawidek #define	RETVAL_HI	1
43d6f6b876SPawel Jakub Dawidek #define	RETVAL_LO	0
44d6f6b876SPawel Jakub Dawidek #endif
45d6f6b876SPawel Jakub Dawidek 
46d6f6b876SPawel Jakub Dawidek #endif	/* !_COMPAT_FREEBSD32_MISC_H_ */
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