text: /* ----------------------------------------------------------------------------
   * 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.
   * --------------------------------------------------------------------------- */
  /* ----------------------------------------------------------------------------
   * Notice of Export Control Law
   * ===============================================
   * Huawei LiteOS may be subject to applicable export control laws and regulations, which might
   * include those applicable to Huawei LiteOS of U.S. and the country in which you are located.
   * Import, export and usage of Huawei LiteOS in any manner by you shall be in compliance with such
   * applicable export control laws and regulations.
   * --------------------------------------------------------------------------- */
  
  /**
   * @defgroup los_toolchain
   * @ingroup kernel
   */
  
  #ifndef _LOS_TOOLCHAIN_H
  #define _LOS_TOOLCHAIN_H
  
  #if defined ( __ICCARM__ )
  #include "iccarm_builtin.h"
  #endif
  
  #ifdef __cplusplus
  #if __cplusplus
  extern "C" {
  #endif /* __cplusplus */
  #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
  #if __cplusplus
  }
  #endif /* __cplusplus */
  #endif /* __cplusplus */
  
  #endif /* _LOS_TOOLCHAIN_H */
  