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Reduce header complexity

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- Remove most __ASSEMBLER__ __LINKER__ ifdefs
- Rename libc/intrin/bits.h to libc/serialize.h
- Block pthread cancelation in fchmodat() polyfill
- Remove `clang-format off` statements in third_party
This commit is contained in:
Justine Tunney 2023-11-28 14:24:28 -08:00
parent 96f979dfc5
commit fa20edc44d
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GPG key ID: BE714B4575D6E328
3057 changed files with 410 additions and 4398 deletions
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116
libc/serialize.h Normal file
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#ifndef COSMOPOLITAN_SERIALIZE_H_
#define COSMOPOLITAN_SERIALIZE_H_
#ifdef _COSMO_SOURCE
#if __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
#define __SWAPBE16(x) (x)
#define __SWAPBE32(x) (x)
#define __SWAPBE64(x) (x)
#else
#define __SWAPBE16(x) __builtin_bswap16(x)
#define __SWAPBE32(x) __builtin_bswap32(x)
#define __SWAPBE64(x) __builtin_bswap64(x)
#endif
#if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
#define __SWAPLE16(x) (x)
#define __SWAPLE32(x) (x)
#define __SWAPLE64(x) (x)
#else
#define __SWAPLE16(x) __builtin_bswap16(x)
#define __SWAPLE32(x) __builtin_bswap32(x)
#define __SWAPLE64(x) __builtin_bswap64(x)
#endif
#define READ16LE(P) \
(__extension__({ \
uint16_t __x; \
__builtin_memcpy(&__x, P, 16 / 8); \
__SWAPLE16(__x); \
}))
#define READ16BE(P) \
(__extension__({ \
uint16_t __x; \
__builtin_memcpy(&__x, P, 16 / 8); \
__SWAPBE16(__x); \
}))
#define READ32LE(P) \
(__extension__({ \
uint32_t __x; \
__builtin_memcpy(&__x, P, 32 / 8); \
__SWAPLE32(__x); \
}))
#define READ32BE(P) \
(__extension__({ \
uint32_t __x; \
__builtin_memcpy(&__x, P, 32 / 8); \
__SWAPBE32(__x); \
}))
#define READ64LE(P) \
(__extension__({ \
uint64_t __x; \
__builtin_memcpy(&__x, P, 64 / 8); \
__SWAPLE32(__x); \
}))
#define READ64BE(P) \
(__extension__({ \
uint64_t __x; \
__builtin_memcpy(&__x, P, 64 / 8); \
__SWAPBE64(__x); \
}))
#define WRITE16LE(P, X) \
(__extension__({ \
__typeof__(&(P)[0]) __p = (P); \
uint16_t __x = __SWAPLE16(X); \
__builtin_memcpy(__p, &__x, 16 / 8); \
__p + 16 / 8; \
}))
#define WRITE16BE(P, X) \
(__extension__({ \
__typeof__(&(P)[0]) __p = (P); \
uint16_t __x = __SWAPBE16(X); \
__builtin_memcpy(__p, &__x, 16 / 8); \
__p + 16 / 8; \
}))
#define WRITE32LE(P, X) \
(__extension__({ \
__typeof__(&(P)[0]) __p = (P); \
uint32_t __x = __SWAPLE32(X); \
__builtin_memcpy(__p, &__x, 32 / 8); \
__p + 32 / 8; \
}))
#define WRITE32BE(P, X) \
(__extension__({ \
__typeof__(&(P)[0]) __p = (P); \
uint32_t __x = __SWAPBE32(X); \
__builtin_memcpy(__p, &__x, 32 / 8); \
__p + 32 / 8; \
}))
#define WRITE64LE(P, X) \
(__extension__({ \
__typeof__(&(P)[0]) __p = (P); \
uint64_t __x = __SWAPLE64(X); \
__builtin_memcpy(__p, &__x, 64 / 8); \
__p + 64 / 8; \
}))
#define WRITE64BE(P, X) \
(__extension__({ \
__typeof__(&(P)[0]) __p = (P); \
uint64_t __x = __SWAPBE64(X); \
__builtin_memcpy(__p, &__x, 64 / 8); \
__p + 64 / 8; \
}))
#endif /* _COSMO_SOURCE */
#endif /* COSMOPOLITAN_SERIALIZE_H_ */