diff options
Diffstat (limited to 'include/compiler.h')
-rw-r--r-- | include/compiler.h | 125 |
1 files changed, 125 insertions, 0 deletions
diff --git a/include/compiler.h b/include/compiler.h new file mode 100644 index 0000000..272fd3c --- /dev/null +++ b/include/compiler.h @@ -0,0 +1,125 @@ +/* + * Keep all the ugly #ifdef for system stuff here + */ + +#ifndef __COMPILER_H__ +#define __COMPILER_H__ + +#include <stddef.h> + +#ifdef USE_HOSTCC + +#if defined(__BEOS__) || \ + defined(__NetBSD__) || \ + defined(__FreeBSD__) || \ + defined(__sun__) || \ + defined(__APPLE__) +# include <inttypes.h> +#elif defined(__linux__) || defined(__WIN32__) || defined(__MINGW32__) +# include <stdint.h> +#endif + +#include <errno.h> +#include <stdlib.h> +#include <stdint.h> +#include <stdio.h> +#include <string.h> + +extern int errno; + +#if !defined(__WIN32__) && !defined(__MINGW32__) +# include <sys/mman.h> +#endif + +/* Not all systems (like Windows) has this define, and yes + * we do replace/emulate mmap() on those systems ... + */ +#ifndef MAP_FAILED +# define MAP_FAILED ((void *)-1) +#endif + +#include <fcntl.h> +#ifndef O_BINARY /* should be define'd on __WIN32__ */ +#define O_BINARY 0 +#endif + +#ifdef __linux__ +# include <endian.h> +# include <byteswap.h> +#elif defined(__MACH__) +# include <machine/endian.h> +typedef unsigned long ulong; +typedef unsigned int uint; +#endif + +typedef uint8_t __u8; +typedef uint16_t __u16; +typedef uint32_t __u32; + +#define uswap_16(x) \ + ((((x) & 0xff00) >> 8) | \ + (((x) & 0x00ff) << 8)) +#define uswap_32(x) \ + ((((x) & 0xff000000) >> 24) | \ + (((x) & 0x00ff0000) >> 8) | \ + (((x) & 0x0000ff00) << 8) | \ + (((x) & 0x000000ff) << 24)) +#define _uswap_64(x, sfx) \ + ((((x) & 0xff00000000000000##sfx) >> 56) | \ + (((x) & 0x00ff000000000000##sfx) >> 40) | \ + (((x) & 0x0000ff0000000000##sfx) >> 24) | \ + (((x) & 0x000000ff00000000##sfx) >> 8) | \ + (((x) & 0x00000000ff000000##sfx) << 8) | \ + (((x) & 0x0000000000ff0000##sfx) << 24) | \ + (((x) & 0x000000000000ff00##sfx) << 40) | \ + (((x) & 0x00000000000000ff##sfx) << 56)) +#if defined(__GNUC__) +# define uswap_64(x) _uswap_64(x, ull) +#else +# define uswap_64(x) _uswap_64(x, ) +#endif + +#if __BYTE_ORDER == __LITTLE_ENDIAN +# define cpu_to_le16(x) (x) +# define cpu_to_le32(x) (x) +# define cpu_to_le64(x) (x) +# define le16_to_cpu(x) (x) +# define le32_to_cpu(x) (x) +# define le64_to_cpu(x) (x) +# define cpu_to_be16(x) uswap_16(x) +# define cpu_to_be32(x) uswap_32(x) +# define cpu_to_be64(x) uswap_64(x) +# define be16_to_cpu(x) uswap_16(x) +# define be32_to_cpu(x) uswap_32(x) +# define be64_to_cpu(x) uswap_64(x) +#else +# define cpu_to_le16(x) uswap_16(x) +# define cpu_to_le32(x) uswap_32(x) +# define cpu_to_le64(x) uswap_64(x) +# define le16_to_cpu(x) uswap_16(x) +# define le32_to_cpu(x) uswap_32(x) +# define le64_to_cpu(x) uswap_64(x) +# define cpu_to_be16(x) (x) +# define cpu_to_be32(x) (x) +# define cpu_to_be64(x) (x) +# define be16_to_cpu(x) (x) +# define be32_to_cpu(x) (x) +# define be64_to_cpu(x) (x) +#endif + +#else /* !USE_HOSTCC */ + +#include <linux/string.h> +#include <linux/types.h> +#include <asm/byteorder.h> + +/* Types for `void *' pointers. */ +#if __WORDSIZE == 64 +typedef unsigned long int uintptr_t; +#else +typedef unsigned int uintptr_t; +#endif + +#endif + +#endif |