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