89 lines
2.6 KiB
C
89 lines
2.6 KiB
C
/**
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* @file gcc.h
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* @brief
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*
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* Copyright (c) 2021 Bouffalolab team
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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*/
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#ifndef _GCC_H
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#define _GCC_H
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/*------------------ RealView Compiler -----------------*/
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#if defined(__GNUC__)
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#define __ASM__ __asm
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#define __VOLATILE__ volatile
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#define __INLINE__ inline
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#define __STATIC__ static
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#define __STATIC_INLINE__ static inline
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#ifndef likely
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#define likely(x) __builtin_expect(!!(x), 1)
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#endif
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#ifndef likely
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#define unlikely(x) __builtin_expect(!!(x), 0)
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#endif
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#define __UNUSED__ __attribute__((__unused__))
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#define __USED__ __attribute__((__used__))
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#define __PACKED__ __attribute__((packed))
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#define __ALIGNED__(x) __attribute__((aligned(x)))
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#define __PURE__ __attribute__((__pure__))
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#define __CONST__ __attribute__((__const__))
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#define __NO_RETURN__ __attribute__((__noreturn__))
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#define __NAKED__ __attribute__((naked))
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#define __WEAK__ __attribute__((weak))
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#define SECTION(x) __attribute__((section(x)))
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#define __API__ __declspec(dllexport)
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#endif
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#ifdef __GNUC__
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#define WARN_UNUSED_RET __attribute__((warn_unused_result))
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#define WEAK __attribute__((weak))
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#ifndef PACK_START
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#define PACK_START
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#endif
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#ifndef PACK_END
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#define PACK_END __attribute__((packed))
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#endif
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#define NORETURN __attribute__((noreturn))
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/* alignment value should be a power of 2 */
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#define ALIGN(num, align) MASK(num, (typeof(num))align - 1)
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#define ALIGN_2(num) ALIGN(num, 2)
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#define ALIGN_4(num) ALIGN(num, 4)
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#define ALIGN_8(num) ALIGN(num, 8)
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#define ALIGN_16(num) ALIGN(num, 16)
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#define ALIGN_32(num) ALIGN(num, 32)
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#else /* __GNUC__ */
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#define WARN_UNUSED_RET
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#define WEAK __weak
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#define PACK_START __packed
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#define PACK_END
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#define NORETURN
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#endif /* __GNUC__ */
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#endif |