Zephyr API Documentation
4.0.99
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toolchain.h
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/*
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* Copyright (c) 2010-2014, Wind River Systems, Inc.
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#ifndef ZEPHYR_INCLUDE_TOOLCHAIN_H_
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#define ZEPHYR_INCLUDE_TOOLCHAIN_H_
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#ifdef __has_builtin
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#define HAS_BUILTIN(x) __has_builtin(x)
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#else
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/*
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* The compiler doesn't provide the __has_builtin() macro, so instead we depend
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* on the toolchain-specific headers to define HAS_BUILTIN_x for the builtins
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* supported.
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*/
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#define HAS_BUILTIN(x) HAS_BUILTIN_##x
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#endif
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#if defined(__TOOLCHAIN_CUSTOM__)
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/* This include line exists for off-tree definitions of compilers,
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* and therefore this header is not meant to exist in-tree
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*/
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#include <toolchain/other.h>
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#elif defined(__XCC__)
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#include <
zephyr/toolchain/xcc.h
>
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#elif defined(__CCAC__)
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#include <
zephyr/toolchain/mwdt.h
>
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#elif defined(__ARMCOMPILER_VERSION)
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#include <
zephyr/toolchain/armclang.h
>
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#elif defined(__llvm__) || (defined(_LINKER) && defined(__LLD_LINKER_CMD__))
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#include <
zephyr/toolchain/llvm.h
>
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#elif defined(__GNUC__) || (defined(_LINKER) && defined(__GCC_LINKER_CMD__))
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#include <
zephyr/toolchain/gcc.h
>
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#else
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#error "Invalid/unknown toolchain configuration"
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#endif
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#ifndef __noasan
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#define __noasan
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#endif
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#ifndef TOOLCHAIN_GCC_VERSION
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#define TOOLCHAIN_GCC_VERSION 0
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#endif
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#ifndef TOOLCHAIN_CLANG_VERSION
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#define TOOLCHAIN_CLANG_VERSION 0
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#endif
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#ifndef TOOLCHAIN_HAS_PRAGMA_DIAG
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#define TOOLCHAIN_HAS_PRAGMA_DIAG 0
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#endif
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#if defined(__STDC_VERSION__) && __STDC_VERSION__ >= 201112L
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/* _Generic is introduced in C11, so it is supported. */
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# ifdef TOOLCHAIN_HAS_C_GENERIC
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# undef TOOLCHAIN_HAS_C_GENERIC
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# endif
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# define TOOLCHAIN_HAS_C_GENERIC 1
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#else
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# ifndef TOOLCHAIN_HAS_C_GENERIC
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# define TOOLCHAIN_HAS_C_GENERIC 0
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# endif
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#endif
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#ifndef TOOLCHAIN_HAS_C_AUTO_TYPE
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#define TOOLCHAIN_HAS_C_AUTO_TYPE 0
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#endif
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#ifndef TOOLCHAIN_HAS_ZLA
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#define TOOLCHAIN_HAS_ZLA 0
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#endif
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#ifndef TOOLCHAIN_IGNORE_WSHADOW_BEGIN
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#define TOOLCHAIN_IGNORE_WSHADOW_BEGIN
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#endif
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#ifndef TOOLCHAIN_IGNORE_WSHADOW_END
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#define TOOLCHAIN_IGNORE_WSHADOW_END
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#endif
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/*
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* Ensure that __BYTE_ORDER__ and related preprocessor definitions are defined,
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* and that they match the Kconfig option that is used in the code itself to
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* check for endianness.
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*/
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#ifndef _LINKER
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#if !defined(__BYTE_ORDER__) || !defined(__ORDER_BIG_ENDIAN__) || \
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!defined(__ORDER_LITTLE_ENDIAN__)
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/*
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* Displaying values unfortunately requires #pragma message which can't
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* be taken for granted + STRINGIFY() which is not available in this .h
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* file.
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*/
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#error "At least one byte _ORDER_ macro is not defined"
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#else
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#if (defined(CONFIG_BIG_ENDIAN) && (__BYTE_ORDER__ != __ORDER_BIG_ENDIAN__)) || \
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(defined(CONFIG_LITTLE_ENDIAN) && (__BYTE_ORDER__ != __ORDER_LITTLE_ENDIAN__))
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# error "Kconfig/toolchain endianness mismatch:"
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# if (__BYTE_ORDER__ != __ORDER_BIG_ENDIAN__) && (__BYTE_ORDER__ != __ORDER_LITTLE_ENDIAN__)
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# error "Unknown __BYTE_ORDER__ value"
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# else
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# ifdef CONFIG_BIG_ENDIAN
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# error "CONFIG_BIG_ENDIAN but __ORDER_LITTLE_ENDIAN__"
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# endif
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# ifdef CONFIG_LITTLE_ENDIAN
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# error "CONFIG_LITTLE_ENDIAN but __ORDER_BIG_ENDIAN__"
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# endif
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# endif
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#endif
/* Endianness mismatch */
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#endif
/* all _ORDER_ macros defined */
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#endif
/* !_LINKER */
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#endif
/* ZEPHYR_INCLUDE_TOOLCHAIN_H_ */
armclang.h
gcc.h
GCC toolchain abstraction.
llvm.h
mwdt.h
xcc.h
zephyr
toolchain.h
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