zephyr/include/toolchain/xcc.h

151 lines
2.8 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_
/* toolchain/gcc.h errors out if __BYTE_ORDER__ cannot be determined
* there. However, __BYTE_ORDER__ is actually being defined later in
* this file. So define __BYTE_ORDER__ to skip the check in gcc.h
* and undefine after including gcc.h.
*
* Clang has it defined so there is no need to work around.
*/
#ifndef __clang__
#define __BYTE_ORDER__
#endif
#include <toolchain/gcc.h>
#ifndef __clang__
#undef __BYTE_ORDER__
#endif
#include <stdbool.h>
#ifndef __INT8_C
#define __INT8_C(x) x
#endif
#ifndef INT8_C
#define INT8_C(x) __INT8_C(x)
#endif
#ifndef __UINT8_C
#define __UINT8_C(x) x ## U
#endif
#ifndef UINT8_C
#define UINT8_C(x) __UINT8_C(x)
#endif
#ifndef __INT16_C
#define __INT16_C(x) x
#endif
#ifndef INT16_C
#define INT16_C(x) __INT16_C(x)
#endif
#ifndef __UINT16_C
#define __UINT16_C(x) x ## U
#endif
#ifndef UINT16_C
#define UINT16_C(x) __UINT16_C(x)
#endif
#ifndef __INT32_C
#define __INT32_C(x) x
#endif
#ifndef INT32_C
#define INT32_C(x) __INT32_C(x)
#endif
#ifndef __UINT32_C
#define __UINT32_C(x) x ## U
#endif
#ifndef UINT32_C
#define UINT32_C(x) __UINT32_C(x)
#endif
#ifndef __INT64_C
#define __INT64_C(x) x
#endif
#ifndef INT64_C
#define INT64_C(x) __INT64_C(x)
#endif
#ifndef __UINT64_C
#define __UINT64_C(x) x ## ULL
#endif
#ifndef UINT64_C
#define UINT64_C(x) __UINT64_C(x)
#endif
#ifndef __INTMAX_C
#define __INTMAX_C(x) x
#endif
#ifndef INTMAX_C
#define INTMAX_C(x) __INTMAX_C(x)
#endif
#ifndef __UINTMAX_C
#define __UINTMAX_C(x) x ## ULL
#endif
#ifndef UINTMAX_C
#define UINTMAX_C(x) __UINTMAX_C(x)
#endif
#ifndef __COUNTER__
/* XCC (GCC-based compiler) doesn't support __COUNTER__
* but this should be good enough
*/
#define __COUNTER__ __LINE__
#endif
#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.
*/
#if XCHAL_MEMORY_ORDER == XTHAL_BIGENDIAN
#define __BYTE_ORDER__ __ORDER_BIG_ENDIAN__
#elif XCHAL_MEMORY_ORDER == XTHAL_LITTLEENDIAN
#define __BYTE_ORDER__ __ORDER_LITTLE_ENDIAN__
#else
#error "Cannot determine __BYTE_ORDER__"
#endif
#endif /* __GCC_LINKER_CMD__ */
#define __builtin_unreachable() do { __ASSERT(false, "Unreachable code"); } \
while (true)
#ifdef __deprecated
/*
* XCC does not support using deprecated attribute in enum,
* so just nullify it here to avoid compilation errors.
*/
#undef __deprecated
#define __deprecated
#endif
#endif