xref: /xnu-11215.1.10/bsd/i386/_param.h (revision 8d741a5de7ff4191bf97d57b9f54c2f6d4a15585) !
1*8d741a5dSApple OSS Distributions /*
2*8d741a5dSApple OSS Distributions  * Copyright (c) 2008 Apple Computer, Inc. All rights reserved.
3*8d741a5dSApple OSS Distributions  *
4*8d741a5dSApple OSS Distributions  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
5*8d741a5dSApple OSS Distributions  *
6*8d741a5dSApple OSS Distributions  * This file contains Original Code and/or Modifications of Original Code
7*8d741a5dSApple OSS Distributions  * as defined in and that are subject to the Apple Public Source License
8*8d741a5dSApple OSS Distributions  * Version 2.0 (the 'License'). You may not use this file except in
9*8d741a5dSApple OSS Distributions  * compliance with the License. The rights granted to you under the License
10*8d741a5dSApple OSS Distributions  * may not be used to create, or enable the creation or redistribution of,
11*8d741a5dSApple OSS Distributions  * unlawful or unlicensed copies of an Apple operating system, or to
12*8d741a5dSApple OSS Distributions  * circumvent, violate, or enable the circumvention or violation of, any
13*8d741a5dSApple OSS Distributions  * terms of an Apple operating system software license agreement.
14*8d741a5dSApple OSS Distributions  *
15*8d741a5dSApple OSS Distributions  * Please obtain a copy of the License at
16*8d741a5dSApple OSS Distributions  * http://www.opensource.apple.com/apsl/ and read it before using this file.
17*8d741a5dSApple OSS Distributions  *
18*8d741a5dSApple OSS Distributions  * The Original Code and all software distributed under the License are
19*8d741a5dSApple OSS Distributions  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
20*8d741a5dSApple OSS Distributions  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
21*8d741a5dSApple OSS Distributions  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
22*8d741a5dSApple OSS Distributions  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
23*8d741a5dSApple OSS Distributions  * Please see the License for the specific language governing rights and
24*8d741a5dSApple OSS Distributions  * limitations under the License.
25*8d741a5dSApple OSS Distributions  *
26*8d741a5dSApple OSS Distributions  * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
27*8d741a5dSApple OSS Distributions  */
28*8d741a5dSApple OSS Distributions 
29*8d741a5dSApple OSS Distributions #ifndef _I386__PARAM_H_
30*8d741a5dSApple OSS Distributions #define _I386__PARAM_H_
31*8d741a5dSApple OSS Distributions 
32*8d741a5dSApple OSS Distributions #if defined (__i386__) || defined (__x86_64__)
33*8d741a5dSApple OSS Distributions 
34*8d741a5dSApple OSS Distributions #include <i386/_types.h>
35*8d741a5dSApple OSS Distributions 
36*8d741a5dSApple OSS Distributions /*
37*8d741a5dSApple OSS Distributions  * Round p (pointer or byte index) up to a correctly-aligned value for all
38*8d741a5dSApple OSS Distributions  * data types (int, long, ...).   The result is unsigned int and must be
39*8d741a5dSApple OSS Distributions  * cast to any desired pointer type.
40*8d741a5dSApple OSS Distributions  */
41*8d741a5dSApple OSS Distributions #define __DARWIN_ALIGNBYTES     (sizeof(__darwin_size_t) - 1)
42*8d741a5dSApple OSS Distributions #define __DARWIN_ALIGN(p)       ((__darwin_size_t)((__darwin_size_t)(p) + __DARWIN_ALIGNBYTES) &~ __DARWIN_ALIGNBYTES)
43*8d741a5dSApple OSS Distributions 
44*8d741a5dSApple OSS Distributions #define      __DARWIN_ALIGNBYTES32     (sizeof(__uint32_t) - 1)
45*8d741a5dSApple OSS Distributions #define       __DARWIN_ALIGN32(p)       ((__darwin_size_t)((__darwin_size_t)(p) + __DARWIN_ALIGNBYTES32) &~ __DARWIN_ALIGNBYTES32)
46*8d741a5dSApple OSS Distributions 
47*8d741a5dSApple OSS Distributions #endif /* defined (__i386__) || defined (__x86_64__) */
48*8d741a5dSApple OSS Distributions 
49*8d741a5dSApple OSS Distributions #endif /* _I386__PARAM_H_ */
50