blob: 88cedb0fb3b0505ecf6212af4de02ba8ed045dbf [file] [log] [blame]
/*
* Copyright (c) 2010-2014, Wind River Systems, Inc.
*
* SPDX-License-Identifier: Apache-2.0
*/
/**
* @file
* @brief Macros to abstract toolchain specific capabilities
*
* This file contains various macros to abstract compiler capabilities that
* utilize toolchain specific attributes and/or pragmas.
*/
#ifndef ZEPHYR_INCLUDE_TOOLCHAIN_H_
#define ZEPHYR_INCLUDE_TOOLCHAIN_H_
/**
* @def HAS_BUILTIN(x)
* @brief Check if the compiler supports the built-in function \a x.
*
* This macro is for use with conditional compilation to enable code using a
* builtin function that may not be available in every compiler.
*/
#ifdef __has_builtin
#define HAS_BUILTIN(x) __has_builtin(x)
#else
/*
* The compiler doesn't provide the __has_builtin() macro, so instead we depend
* on the toolchain-specific headers to define HAS_BUILTIN_x for the builtins
* supported.
*/
#define HAS_BUILTIN(x) HAS_BUILTIN_##x
#endif
#if defined(__XCC__)
#include <toolchain/xcc.h>
#elif defined(__GNUC__) || (defined(_LINKER) && defined(__GCC_LINKER_CMD__))
#include <toolchain/gcc.h>
#else
#include <toolchain/other.h>
#endif
#endif /* ZEPHYR_INCLUDE_TOOLCHAIN_H_ */