zephyr/include/toolchain/xcc.h

56 lines
1.5 KiB
C

/*
* Copyright (c) 2017 Intel Corporation
*
* SPDX-License-Identifier: Apache-2.0
*/
#ifndef ZEPHYR_INCLUDE_TOOLCHAIN_XCC_H_
#define ZEPHYR_INCLUDE_TOOLCHAIN_XCC_H_
#include <toolchain/gcc.h>
#include <stdbool.h>
/* XCC doesn't support __COUNTER__ but this should be good enough */
#define __COUNTER__ __LINE__
#undef __in_section_unique
#define __in_section_unique(seg) \
__attribute__((section("." STRINGIFY(seg) "." STRINGIFY(__COUNTER__))))
#ifndef __GCC_LINKER_CMD__
#include <xtensa/config/core.h>
/*
* XCC does not define the following macros with the expected names, but the
* HAL defines similar ones. Thus we include it and define the missing macros
* ourselves.
*/
#ifndef __BYTE_ORDER__
#define __BYTE_ORDER__ XCHAL_MEMORY_ORDER
#endif
#ifndef __ORDER_BIG_ENDIAN__
#define __ORDER_BIG_ENDIAN__ XTHAL_BIGENDIAN
#endif
#ifndef __ORDER_LITTLE_ENDIAN__
#define __ORDER_LITTLE_ENDIAN__ XTHAL_LITTLEENDIAN
#endif
#endif /* __GCC_LINKER_CMD__ */
#define __builtin_unreachable() do { __ASSERT(false, "Unreachable code"); } \
while (true)
/* TODO: XCC doesn't define the below macros which are useful for checking
* overflows. This needs to be fixed.
*/
#define __builtin_add_overflow(a, b, output) \
({ *output = (a) + (b); false; })
#define __builtin_mul_overflow(a, b, output) \
({ *output = (a) * (b); false; })
#define __builtin_umul_overflow(a, b, output) \
({ *output = (a) * (b); false; })
#define __builtin_umulll_overflow(a, b, output) \
({ *output = (a) * (b); false; })
#endif