1 /* 2 * Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved. 3 * Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without modification, 6 * are permitted provided that the following conditions are met: 7 * 8 * 1. Redistributions of source code must retain the above copyright notice, this list of 9 * conditions and the following disclaimer. 10 * 11 * 2. Redistributions in binary form must reproduce the above copyright notice, this list 12 * of conditions and the following disclaimer in the documentation and/or other materials 13 * provided with the distribution. 14 * 15 * 3. Neither the name of the copyright holder nor the names of its contributors may be used 16 * to endorse or promote products derived from this software without specific prior written 17 * permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 20 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 21 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR 23 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 24 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 25 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; 26 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 27 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 28 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF 29 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 /** 33 * @defgroup los_toolchain 34 * @ingroup kernel 35 */ 36 37 #ifndef _LOS_TOOLCHAIN_H 38 #define _LOS_TOOLCHAIN_H 39 40 #if defined ( __ICCARM__ ) 41 #include "iccarm_builtin.h" 42 #endif 43 44 #ifdef __cplusplus 45 #if __cplusplus 46 extern "C" { 47 #endif /* __cplusplus */ 48 #endif /* __cplusplus */ 49 50 #ifndef UNUSED 51 #define UNUSED(var) \ 52 do { \ 53 (void)var; \ 54 } while (0) 55 #endif 56 57 /* for ARM Compiler */ 58 #if defined ( __CC_ARM ) 59 #ifndef ASM 60 #define ASM __asm 61 #endif 62 63 #ifndef INLINE 64 #define INLINE __inline 65 #endif 66 67 #ifndef STATIC_INLINE 68 #define STATIC_INLINE static __inline 69 #endif 70 71 #ifndef USED 72 #define USED __attribute__((used)) 73 #endif 74 75 #ifndef WEAK 76 #define WEAK __attribute__((weak)) 77 #endif 78 79 #ifndef CLZ 80 #define CLZ(value) (__clz(value)) 81 #endif 82 83 #ifndef NORETURN 84 #define NORETURN __declspec(noreturn) 85 #endif 86 87 #ifndef DEPRECATED 88 #define DEPRECATED __attribute__((deprecated)) 89 #endif 90 91 /* for IAR Compiler */ 92 #elif defined ( __ICCARM__ ) 93 94 #ifndef ASM 95 #define ASM __asm 96 #endif 97 98 #ifndef INLINE 99 #define INLINE inline 100 #endif 101 102 #ifndef STATIC_INLINE 103 #define STATIC_INLINE static inline 104 #endif 105 106 #ifndef USED 107 #define USED __root 108 #endif 109 110 #ifndef WEAK 111 #define WEAK __weak 112 #endif 113 114 #ifndef CLZ 115 #define CLZ(value) (__iar_builtin_CLZ(value)) 116 #endif 117 118 #ifndef CTZ 119 #define CTZ(value) (__UNDEFINED(value)) 120 #endif 121 122 #ifndef NORETURN 123 #define NORETURN __attribute__ ((__noreturn__)) 124 #endif 125 126 #ifndef DEPRECATED 127 #define DEPRECATED __attribute__((deprecated)) 128 #endif 129 130 /* for GNU Compiler */ 131 #elif defined ( __GNUC__ ) 132 133 #ifndef ASM 134 #define ASM __asm 135 #endif 136 137 #ifndef INLINE 138 #define INLINE __inline 139 #endif 140 141 #ifndef STATIC_INLINE 142 #define STATIC_INLINE static inline 143 #endif 144 145 #ifndef USED 146 #define USED __attribute__((used)) 147 #endif 148 149 #ifndef WEAK 150 #define WEAK __attribute__((weak)) 151 #endif 152 153 #ifndef CLZ 154 #define CLZ(value) (__builtin_clz(value)) 155 #endif 156 157 #ifndef CTZ 158 #define CTZ(value) (__builtin_ctz(value)) 159 #endif 160 161 #ifndef NORETURN 162 #define NORETURN __attribute__ ((__noreturn__)) 163 #endif 164 165 #ifndef DEPRECATED 166 #define DEPRECATED __attribute__((deprecated)) 167 #endif 168 169 #else 170 #error Unknown compiler. 171 #endif 172 173 #ifdef __cplusplus 174 #if __cplusplus 175 } 176 #endif /* __cplusplus */ 177 #endif /* __cplusplus */ 178 179 #endif /* _LOS_TOOLCHAIN_H */ 180