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Diffstat (limited to 'include/os/freebsd/linux/compiler.h')
| -rw-r--r-- | include/os/freebsd/linux/compiler.h | 101 |
1 files changed, 101 insertions, 0 deletions
diff --git a/include/os/freebsd/linux/compiler.h b/include/os/freebsd/linux/compiler.h new file mode 100644 index 000000000000..d76050378e83 --- /dev/null +++ b/include/os/freebsd/linux/compiler.h @@ -0,0 +1,101 @@ +/* + * Copyright (c) 2010 Isilon Systems, Inc. + * Copyright (c) 2010 iXsystems, Inc. + * Copyright (c) 2010 Panasas, Inc. + * Copyright (c) 2013-2016 Mellanox Technologies, Ltd. + * Copyright (c) 2015 François Tigeot + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice unmodified, this list of conditions, and the following + * disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * $FreeBSD$ + */ +#ifndef _LINUX_COMPILER_H_ +#define _LINUX_COMPILER_H_ + +#include <sys/cdefs.h> + +#define __user +#define __kernel +#define __safe +#define __force +#define __nocast +#define __iomem +#define __chk_user_ptr(x) ((void)0) +#define __chk_io_ptr(x) ((void)0) +#define __builtin_warning(x, y...) (1) +#define __acquires(x) +#define __releases(x) +#define __acquire(x) do { } while (0) +#define __release(x) do { } while (0) +#define __cond_lock(x, c) (c) +#define __bitwise +#define __devinitdata +#define __deprecated +#define __init +#define __initconst +#define __devinit +#define __devexit +#define __exit +#define __rcu +#define __percpu +#define __weak __weak_symbol +#define __malloc +#define ___stringify(...) #__VA_ARGS__ +#define __stringify(...) ___stringify(__VA_ARGS__) +#define __attribute_const__ __attribute__((__const__)) +#undef __always_inline +#define __always_inline inline +#define noinline __noinline +#define ____cacheline_aligned __aligned(CACHE_LINE_SIZE) + +#ifndef _KERNEL +#define likely(x) __builtin_expect(!!(x), 1) +#define unlikely(x) __builtin_expect(!!(x), 0) +#endif +#define typeof(x) __typeof(x) + +#define uninitialized_var(x) x = x +#define __maybe_unused __unused +#define __always_unused __unused +#define __must_check __result_use_check + +#define __printf(a, b) __printflike(a, b) + +#define barrier() __asm__ __volatile__("": : :"memory") +#define smp_rmb() rmb() +#define ___PASTE(a, b) a##b +#define __PASTE(a, b) ___PASTE(a, b) + +#define ACCESS_ONCE(x) (*(volatile __typeof(x) *)&(x)) + +#define WRITE_ONCE(x, v) do { \ + barrier(); \ + ACCESS_ONCE(x) = (v); \ + barrier(); \ +} while (0) + +#define lockless_dereference(p) READ_ONCE(p) + +#define _AT(T, X) ((T)(X)) + +#endif /* _LINUX_COMPILER_H_ */ |