los_toolchain.h

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/* ----------------------------------------------------------------------------
 * Copyright (c) Huawei Technologies Co., Ltd. 2013-2019. All rights reserved.
 * Description: ToolChain
 * Author: Huawei LiteOS Team
 * Create: 2013-01-01
 * 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, 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.
 * 3. Neither the name of the copyright holder nor the names of its contributors may be used
 * to endorse or promote products derived from this software without specific prior written
 * permission.
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "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 COPYRIGHT HOLDER OR
 * CONTRIBUTORS 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.
 * --------------------------------------------------------------------------- */
 
#ifndef _LOS_TOOLCHAIN_H
#define _LOS_TOOLCHAIN_H
 
#if defined ( __ICCARM__ )
#include "iccarm_builtin.h"
#endif
 
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
 
/* for ARM Compiler */
#if defined ( __CC_ARM )
#ifndef ASM
#define ASM                                         __asm
#endif
 
#ifndef INLINE
#define INLINE                                      __inline
#endif
 
#ifndef STATIC_INLINE
#define STATIC_INLINE                               static __inline
#endif
 
#ifndef USED
#define USED                                        __attribute__((used))
#endif
 
#ifndef WEAK
#define WEAK                                        __attribute__((weak))
#endif
 
#ifndef CLZ
#define CLZ(value)                                  (__clz(value))
#endif
 
/* for IAR Compiler */
#elif defined ( __ICCARM__ )
 
#ifndef ASM
#define ASM                                         __asm
#endif
 
#ifndef INLINE
#define INLINE                                      inline
#endif
 
#ifndef STATIC_INLINE
#define STATIC_INLINE                               static inline
#endif
 
#ifndef USED
#define USED                                        __root
#endif
 
#ifndef WEAK
#define WEAK                                        __weak
#endif
 
#ifndef CLZ
#define CLZ(value)                                  (__iar_builtin_CLZ(value))
#endif
 
#ifndef CTZ
#define CTZ(value)                                  (__UNDEFINED(value))
#endif
 
/* for GNU Compiler */
#elif defined ( __GNUC__ )
 
#ifndef ASM
#define ASM                                         __asm
#endif
 
#ifndef INLINE
#define INLINE                                      inline
#endif
 
#ifndef STATIC_INLINE
#define STATIC_INLINE                               static inline
#endif
 
#ifndef USED
#define USED                                        __attribute__((used))
#endif
 
#ifndef WEAK
#define WEAK                                        __attribute__((weak))
#endif
 
#ifndef CLZ
#define CLZ(value)                                  (__builtin_clz(value))
#endif
 
#ifndef CTZ
#define CTZ(value)                                  (__builtin_ctz(value))
#endif
 
#else
#error Unknown compiler.
#endif
 
#ifdef __cplusplus
}
#endif /* __cplusplus */
 
#endif /* _LOS_TOOLCHAIN_H */