635491b6c5
Ensure that xcc is at parity with gcc and clang by inferring missing definitions based on those that it already provides. Signed-off-by: Nicolas Pitre <npitre@baylibre.com>
171 lines
4.1 KiB
C
171 lines
4.1 KiB
C
/*
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* Copyright (c) 2019 BayLibre SAS
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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/*
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* Basic macro definitions that gcc and clang provide on their own
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* but that xcc lacks. Only those that Zephyr requires are provided here.
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*/
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#ifndef ZEPHYR_INCLUDE_TOOLCHAIN_XCC_MISSING_DEFS_H_
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#define ZEPHYR_INCLUDE_TOOLCHAIN_XCC_MISSING_DEFS_H_
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#if __CHAR_BIT__ == 8
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#define __SCHAR_WIDTH__ 8
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#else
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#error "unexpected __CHAR_BIT__ value"
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#endif
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#if __SHRT_MAX__ == 32767
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#define __SHRT_WIDTH__ 16
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#define __SIZEOF_SHORT__ 2
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#else
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#error "unexpected __SHRT_WIDTH__ value"
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#endif
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#if __INT_MAX__ == 2147483647
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#define __INT_WIDTH__ 32
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#define __SIZEOF_INT__ 4
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#else
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#error "unexpected __INT_MAX__ value"
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#endif
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#if __LONG_MAX__ == 2147483647L
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#define __LONG_WIDTH__ 32
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#define __SIZEOF_LONG__ 4
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#else
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#error "unexpected __LONG_MAX__ value"
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#endif
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#if __LONG_LONG_MAX__ == 9223372036854775807LL
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#define __LONG_LONG_WIDTH__ 64
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#define __SIZEOF_LONG_LONG__ 8
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#else
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#error "unexpected __LONG_LONG_MAX__ value"
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#endif
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#if __INTMAX_MAX__ == 9223372036854775807LL
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#define __INTMAX_WIDTH__ 64
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#define __SIZEOF_INTMAX__ 8
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#define __UINTMAX_MAX__ 0xffffffffffffffffULL
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#define __UINTMAX_WIDTH__ 64
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#define __SIZEOF_UINTMAX__ 8
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#else
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#error "unexpected __INTMAX_MAX__ value"
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#endif
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/*
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* No xcc provided definitions related to pointers, so let's just enforce
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* the Zephyr expected type.
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*/
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#define __INTPTR_MAX__ 0x7fffffffL
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#define __INTPTR_TYPE__ long int
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#define __INTPTR_WIDTH__ 32
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#define __SIZEOF_POINTER__ 4
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#define __PTRDIFF_MAX__ 0x7fffffffL
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#define __PTRDIFF_WIDTH__ 32
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#define __SIZEOF_PTRDIFF_T__ 4
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#define __UINTPTR_MAX__ 0xffffffffLU
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#define __UINTPTR_TYPE__ long unsigned int
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/*
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* xcc already defines __SIZE_TYPE__ as "unsigned int" but there is no way
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* to safeguard that here with preprocessor equality.
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*/
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#define __SIZE_MAX__ 0xffffffffU
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#define __SIZE_WIDTH__ 32
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#define __SIZEOF_SIZE_T__ 4
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/*
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* The following defines are inferred from the xcc provided defines
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* already tested above.
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*/
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#define __INT8_MAX__ 0x7f
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#define __INT8_TYPE__ signed char
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#define __INT16_MAX__ 0x7fff
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#define __INT16_TYPE__ short int
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#define __INT32_MAX__ 0x7fffffff
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#define __INT32_TYPE__ int
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#define __INT64_MAX__ 0x7fffffffffffffffLL
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#define __INT64_TYPE__ long long int
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#define __INT_FAST8_MAX__ 0x7f
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#define __INT_FAST8_TYPE__ signed char
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#define __INT_FAST8_WIDTH__ 8
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#define __INT_FAST16_MAX__ 0x7fffffff
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#define __INT_FAST16_TYPE__ int
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#define __INT_FAST16_WIDTH__ 32
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#define __INT_FAST32_MAX__ 0x7fffffff
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#define __INT_FAST32_TYPE__ int
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#define __INT_FAST32_WIDTH__ 32
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#define __INT_FAST64_MAX__ 0x7fffffffffffffffLL
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#define __INT_FAST64_TYPE__ long long int
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#define __INT_FAST64_WIDTH__ 64
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#define __INT_LEAST8_MAX__ 0x7f
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#define __INT_LEAST8_TYPE__ signed char
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#define __INT_LEAST8_WIDTH__ 8
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#define __INT_LEAST16_MAX__ 0x7fff
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#define __INT_LEAST16_TYPE__ short int
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#define __INT_LEAST16_WIDTH__ 16
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#define __INT_LEAST32_MAX__ 0x7fffffff
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#define __INT_LEAST32_TYPE__ int
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#define __INT_LEAST32_WIDTH__ 32
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#define __INT_LEAST64_MAX__ 0x7fffffffffffffffLL
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#define __INT_LEAST64_TYPE__ long long int
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#define __INT_LEAST64_WIDTH__ 64
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#define __UINT8_MAX__ 0xff
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#define __UINT8_TYPE__ unsigned char
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#define __UINT16_MAX__ 0xffff
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#define __UINT16_TYPE__ short unsigned int
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#define __UINT32_MAX__ 0xffffffffU
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#define __UINT32_TYPE__ unsigned int
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#define __UINT64_MAX__ 0xffffffffffffffffULL
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#define __UINT64_TYPE__ long long unsigned int
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#define __UINT_FAST8_MAX__ 0xff
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#define __UINT_FAST8_TYPE__ unsigned char
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#define __UINT_FAST16_MAX__ 0xffffffffU
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#define __UINT_FAST16_TYPE__ unsigned int
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#define __UINT_FAST32_MAX__ 0xffffffffU
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#define __UINT_FAST32_TYPE__ unsigned int
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#define __UINT_FAST64_MAX__ 0xffffffffffffffffULL
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#define __UINT_FAST64_TYPE__ long long unsigned int
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#define __UINT_LEAST8_MAX__ 0xff
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#define __UINT_LEAST8_TYPE__ unsigned char
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#define __UINT_LEAST16_MAX__ 0xffff
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#define __UINT_LEAST16_TYPE__ short unsigned int
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#define __UINT_LEAST32_MAX__ 0xffffffffU
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#define __UINT_LEAST32_TYPE__ unsigned int
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#define __UINT_LEAST64_MAX__ 0xffffffffffffffffULL
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#define __UINT_LEAST64_TYPE__ long long unsigned int
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#endif
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