1 files changed, 125 insertions, 0 deletions
diff --git a/include/compiler.h b/include/compiler.h
new file mode 100644
index 000000000..272fd3cf6
--- /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