/* ----------------------------------------------------------------------------
 * Copyright (c) Huawei Technologies Co., Ltd. 2013-2019. All rights reserved.
 * Description: Cpp Support HeadFile
 * 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_CPPSUPPORT_PRI_H
#define _LOS_CPPSUPPORT_PRI_H       //防止多次包含同一个头文件//

#include "los_cppsupport.h"

#ifdef __cplusplus					//根据编译器是否为C++//
#if __cplusplus						//来使用“extern 'C'”//
extern "C" {						//对以下代码块内容进行//
#endif /* __cplusplus */			//正确处理函数名//
#endif /* __cplusplus */

extern CHAR __fast_end;				//声明一个_fast_end的CHAR类型变量//

#ifdef LOSCFG_AARCH64				//条件编译//
extern UINT8 __EH_FRAME_BEGIN__[];	//声明一个UINT8类型的数组//
VOID __register_frame(VOID *begin);	
#endif

#ifdef __cplusplus
#if __cplusplus
}
#endif /* __cplusplus */			//关闭extern'C'作用域//
#endif /* __cplusplus */

#endif /* _LOS_CPPSUPPORT_PRI_H */
