1/*
2 * Copyright (c) 2000-2002 Apple Computer, Inc. All rights reserved.
3 *
4 * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
5 *
6 * This file contains Original Code and/or Modifications of Original Code
7 * as defined in and that are subject to the Apple Public Source License
8 * Version 2.0 (the 'License'). You may not use this file except in
9 * compliance with the License. The rights granted to you under the License
10 * may not be used to create, or enable the creation or redistribution of,
11 * unlawful or unlicensed copies of an Apple operating system, or to
12 * circumvent, violate, or enable the circumvention or violation of, any
13 * terms of an Apple operating system software license agreement.
14 *
15 * Please obtain a copy of the License at
16 * http://www.opensource.apple.com/apsl/ and read it before using this file.
17 *
18 * The Original Code and all software distributed under the License are
19 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
20 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
21 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
22 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
23 * Please see the License for the specific language governing rights and
24 * limitations under the License.
25 *
26 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
27 */
28/*
29 * Copyright 1995 NeXT Computer, Inc. All rights reserved.
30 */
31/*
32 * Copyright (c) 1987, 1991, 1993
33 * The Regents of the University of California. All rights reserved.
34 *
35 * Redistribution and use in source and binary forms, with or without
36 * modification, are permitted provided that the following conditions
37 * are met:
38 * 1. Redistributions of source code must retain the above copyright
39 * notice, this list of conditions and the following disclaimer.
40 * 2. Redistributions in binary form must reproduce the above copyright
41 * notice, this list of conditions and the following disclaimer in the
42 * documentation and/or other materials provided with the distribution.
43 * 3. All advertising materials mentioning features or use of this software
44 * must display the following acknowledgement:
45 * This product includes software developed by the University of
46 * California, Berkeley and its contributors.
47 * 4. Neither the name of the University nor the names of its contributors
48 * may be used to endorse or promote products derived from this software
49 * without specific prior written permission.
50 *
51 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
52 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
53 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
54 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
55 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
56 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
57 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
58 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
59 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
60 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
61 * SUCH DAMAGE.
62 *
63 * @(#)endian.h 8.1 (Berkeley) 6/11/93
64 */
65
66#ifndef _I386__ENDIAN_H_
67#define _I386__ENDIAN_H_
68
69#include <sys/cdefs.h>
70/*
71 * Define _NOQUAD if the compiler does NOT support 64-bit integers.
72 */
73/* #define _NOQUAD */
74
75/*
76 * Define the order of 32-bit words in 64-bit words.
77 */
78#define _QUAD_HIGHWORD 1
79#define _QUAD_LOWWORD 0
80
81/*
82 * Definitions for byte order, according to byte significance from low
83 * address to high.
84 */
85#define __DARWIN_LITTLE_ENDIAN 1234 /* LSB first: i386, vax */
86#define __DARWIN_BIG_ENDIAN 4321 /* MSB first: 68000, ibm, net */
87#define __DARWIN_PDP_ENDIAN 3412 /* LSB first in word, MSW first in long */
88
89#define __DARWIN_BYTE_ORDER __DARWIN_LITTLE_ENDIAN
90
91#if defined(KERNEL) || (!defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE))
92
93#define LITTLE_ENDIAN __DARWIN_LITTLE_ENDIAN
94#define BIG_ENDIAN __DARWIN_BIG_ENDIAN
95#define PDP_ENDIAN __DARWIN_PDP_ENDIAN
96
97#define BYTE_ORDER __DARWIN_BYTE_ORDER
98
99#include <sys/_endian.h>
100
101#endif /* defined(KERNEL) || (!defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)) */
102#endif /* !_I386__ENDIAN_H_ */
103