libpicasso/include/picasso/types.h
2022-12-25 02:56:46 +01:00

68 lines
1.7 KiB
C

#pragma once
#include <stdint.h>
typedef uint64_t dword_t;
typedef uint32_t word_t;
typedef uint16_t hword_t;
typedef uint8_t byte_t;
typedef int64_t dlong_t;
typedef int32_t long_t;
typedef int16_t short_t;
typedef int8_t char_t;
typedef uint64_t u64;
typedef uint32_t u32;
typedef uint16_t u16;
typedef uint8_t u8;
#define BIT(n) (1U << (n))
#ifndef __BYTE_ORDER__
#include <sys/param.h>
#define __BYTE_ORDER__ BYTE_ORDER
#define __ORDER_LITTLE_ENDIAN__ LITTLE_ENDIAN
#define __ORDER_BIG_ENDIAN__ BIG_ENDIAN
#endif
#ifndef __llvm__
#if !defined(__GNUC__) || (__GNUC__ < 4) || (__GNUC__ == 4 && __GNUC_MINOR__ < 8)
static inline uint16_t __builtin_bswap16(uint16_t x)
{
return ((x << 8) & 0xff00) | ((x >> 8) & 0x00ff);
}
#if defined(__GNUC__) && (__GNUC__ == 4 && __GNUC_MINOR__ < 7)
static inline uint32_t __builtin_bswap32(uint32_t x)
{
return ((x << 24) & 0xff000000) |
((x << 8) & 0x00ff0000) |
((x >> 8) & 0x0000ff00) |
((x >> 24) & 0x000000ff);
}
static inline uint64_t __builtin_bswap64(uint64_t x)
{
return (uint64_t)__builtin_bswap32(x>>32) |
((uint64_t)__builtin_bswap32(x&0xFFFFFFFF) << 32);
}
#endif
#endif
#endif
#if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
#define be_dword(a) __builtin_bswap64(a)
#define be_word(a) __builtin_bswap32(a)
#define be_hword(a) __builtin_bswap16(a)
#define le_dword(a) (a)
#define le_word(a) (a)
#define le_hword(a) (a)
#elif __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
#define be_dword(a) (a)
#define be_word(a) (a)
#define be_hword(a) (a)
#define le_dword(a) __builtin_bswap64(a)
#define le_word(a) __builtin_bswap32(a)
#define le_hword(a) __builtin_bswap16(a)
#else
#error "What's the endianness of the platform you're targeting?"
#endif