xref: /dragonfly/sys/dev/drm/include/linux/compiler.h (revision c3762235)
1 /*-
2  * Copyright (c) 2010 Isilon Systems, Inc.
3  * Copyright (c) 2010 iX Systems, Inc.
4  * Copyright (c) 2010 Panasas, Inc.
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice unmodified, this list of conditions, and the following
12  *    disclaimer.
13  * 2. Redistributions in binary form must reproduce the above copyright
14  *    notice, this list of conditions and the following disclaimer in the
15  *    documentation and/or other materials provided with the distribution.
16  *
17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27  */
28 
29 #ifndef	_LINUX_COMPILER_H_
30 #define	_LINUX_COMPILER_H_
31 
32 #include <sys/cdefs.h>
33 
34 #define __user
35 #define __kernel
36 #define __safe
37 #define __force
38 #define __nocast
39 #define __iomem
40 #define __chk_user_ptr(x)		0
41 #define __chk_io_ptr(x)			0
42 #define __builtin_warning(x, y...)	(1)
43 #define __acquires(x)
44 #define __releases(x)
45 #define __acquire(x)			0
46 #define __release(x)			0
47 #define __cond_lock(x,c)		(c)
48 #define	__bitwise
49 #define __devinitdata
50 #define __init
51 #define	__devinit
52 #define	__devexit
53 #define __exit
54 #define	__stringify(x)			#x
55 #define	__attribute_const__		__attribute__((__const__))
56 #undef __always_inline
57 #define	__always_inline			inline
58 
59 #define	likely(x)			__builtin_expect(!!(x), 1)
60 #define	unlikely(x)			__builtin_expect(!!(x), 0)
61 #define typeof(x)			__typeof(x)
62 
63 #define	uninitialized_var(x)		x = x
64 
65 #endif	/* _LINUX_COMPILER_H_ */
66