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/* Copyright 2013-2014 IBM Corp.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
* implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef __COMPILER_H
#define __COMPILER_H
#ifndef __ASSEMBLY__
#include <stddef.h>
/* Macros for various compiler bits and pieces */
#define __packed __attribute__((packed))
#define __align(x) __attribute__((__aligned__(x)))
#define __unused __attribute__((unused))
#define __used __attribute__((used))
#define __section(x) __attribute__((__section__(x)))
#define __noreturn __attribute__((noreturn))
/* not __const as this has a different meaning (const) */
#define __attrconst __attribute__((const))
#define __warn_unused_result __attribute__((warn_unused_result))
#if 0 /* Provided by gcc stddef.h */
#define offsetof(type,m) __builtin_offsetof(type,m)
#endif
#define __nomcount __attribute__((no_instrument_function))
/* Compiler barrier */
static inline void barrier(void)
{
asm volatile("" : : : "memory");
}
#endif /* __ASSEMBLY__ */
/* Stringification macro */
#define __tostr(x) #x
#define tostr(x) __tostr(x)
#endif /* __COMPILER_H */
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