3 files changed, 178 insertions, 96 deletions

diff --git a/include/linux/byteorder/big_endian.h b/include/linux/byteorder/big_endian.h
index 19b0c86..aaf7757 100644
--- a/include/linux/byteorder/big_endian.h
+++ b/include/linux/byteorder/big_endian.h
@@ -7,63 +7,104 @@
 #ifndef __BIG_ENDIAN_BITFIELD
 #define __BIG_ENDIAN_BITFIELD
 #endif
-#define	__BYTE_ORDER	__BIG_ENDIAN
+#define __BYTE_ORDER	__BIG_ENDIAN
 
+#include <linux/compiler.h>
+#include <linux/types.h>
 #include <linux/byteorder/swab.h>
 
-#define __constant_htonl(x) ((__u32)(x))
-#define __constant_ntohl(x) ((__u32)(x))
-#define __constant_htons(x) ((__u16)(x))
-#define __constant_ntohs(x) ((__u16)(x))
-#define __constant_cpu_to_le64(x) ___swab64((x))
-#define __constant_le64_to_cpu(x) ___swab64((x))
-#define __constant_cpu_to_le32(x) ___swab32((x))
-#define __constant_le32_to_cpu(x) ___swab32((x))
-#define __constant_cpu_to_le16(x) ___swab16((x))
-#define __constant_le16_to_cpu(x) ___swab16((x))
-#define __constant_cpu_to_be64(x) ((__u64)(x))
-#define __constant_be64_to_cpu(x) ((__u64)(x))
-#define __constant_cpu_to_be32(x) ((__u32)(x))
-#define __constant_be32_to_cpu(x) ((__u32)(x))
-#define __constant_cpu_to_be16(x) ((__u16)(x))
-#define __constant_be16_to_cpu(x) ((__u16)(x))
-#define __cpu_to_le64(x) __swab64((x))
-#define __le64_to_cpu(x) __swab64((x))
-#define __cpu_to_le32(x) __swab32((x))
-#define __le32_to_cpu(x) __swab32((x))
-#define __cpu_to_le16(x) __swab16((x))
-#define __le16_to_cpu(x) __swab16((x))
-#define __cpu_to_be64(x) ((__u64)(x))
-#define __be64_to_cpu(x) ((__u64)(x))
-#define __cpu_to_be32(x) ((__u32)(x))
-#define __be32_to_cpu(x) ((__u32)(x))
-#define __cpu_to_be16(x) ((__u16)(x))
-#define __be16_to_cpu(x) ((__u16)(x))
-#define __cpu_to_le64p(x) __swab64p((x))
-#define __le64_to_cpup(x) __swab64p((x))
-#define __cpu_to_le32p(x) __swab32p((x))
-#define __le32_to_cpup(x) __swab32p((x))
-#define __cpu_to_le16p(x) __swab16p((x))
-#define __le16_to_cpup(x) __swab16p((x))
-#define __cpu_to_be64p(x) (*(__u64*)(x))
-#define __be64_to_cpup(x) (*(__u64*)(x))
-#define __cpu_to_be32p(x) (*(__u32*)(x))
-#define __be32_to_cpup(x) (*(__u32*)(x))
-#define __cpu_to_be16p(x) (*(__u16*)(x))
-#define __be16_to_cpup(x) (*(__u16*)(x))
+#define __constant_htonl(x) ((__force __be32)(__u32)(x))
+#define __constant_ntohl(x) ((__force __u32)(__be32)(x))
+#define __constant_htons(x) ((__force __be16)(__u16)(x))
+#define __constant_ntohs(x) ((__force __u16)(__be16)(x))
+#define __constant_cpu_to_le64(x) ((__force __le64)___constant_swab64((x)))
+#define __constant_le64_to_cpu(x) ___constant_swab64((__force __u64)(__le64)(x))
+#define __constant_cpu_to_le32(x) ((__force __le32)___constant_swab32((x)))
+#define __constant_le32_to_cpu(x) ___constant_swab32((__force __u32)(__le32)(x))
+#define __constant_cpu_to_le16(x) ((__force __le16)___constant_swab16((x)))
+#define __constant_le16_to_cpu(x) ___constant_swab16((__force __u16)(__le16)(x))
+#define __constant_cpu_to_be64(x) ((__force __be64)(__u64)(x))
+#define __constant_be64_to_cpu(x) ((__force __u64)(__be64)(x))
+#define __constant_cpu_to_be32(x) ((__force __be32)(__u32)(x))
+#define __constant_be32_to_cpu(x) ((__force __u32)(__be32)(x))
+#define __constant_cpu_to_be16(x) ((__force __be16)(__u16)(x))
+#define __constant_be16_to_cpu(x) ((__force __u16)(__be16)(x))
+#define __cpu_to_le64(x) ((__force __le64)__swab64((x)))
+#define __le64_to_cpu(x) __swab64((__force __u64)(__le64)(x))
+#define __cpu_to_le32(x) ((__force __le32)__swab32((x)))
+#define __le32_to_cpu(x) __swab32((__force __u32)(__le32)(x))
+#define __cpu_to_le16(x) ((__force __le16)__swab16((x)))
+#define __le16_to_cpu(x) __swab16((__force __u16)(__le16)(x))
+#define __cpu_to_be64(x) ((__force __be64)(__u64)(x))
+#define __be64_to_cpu(x) ((__force __u64)(__be64)(x))
+#define __cpu_to_be32(x) ((__force __be32)(__u32)(x))
+#define __be32_to_cpu(x) ((__force __u32)(__be32)(x))
+#define __cpu_to_be16(x) ((__force __be16)(__u16)(x))
+#define __be16_to_cpu(x) ((__force __u16)(__be16)(x))
+
+static inline __le64 __cpu_to_le64p(const __u64 *p)
+{
+	return (__force __le64)__swab64p(p);
+}
+static inline __u64 __le64_to_cpup(const __le64 *p)
+{
+	return __swab64p((__u64 *)p);
+}
+static inline __le32 __cpu_to_le32p(const __u32 *p)
+{
+	return (__force __le32)__swab32p(p);
+}
+static inline __u32 __le32_to_cpup(const __le32 *p)
+{
+	return __swab32p((__u32 *)p);
+}
+static inline __le16 __cpu_to_le16p(const __u16 *p)
+{
+	return (__force __le16)__swab16p(p);
+}
+static inline __u16 __le16_to_cpup(const __le16 *p)
+{
+	return __swab16p((__u16 *)p);
+}
+static inline __be64 __cpu_to_be64p(const __u64 *p)
+{
+	return (__force __be64)*p;
+}
+static inline __u64 __be64_to_cpup(const __be64 *p)
+{
+	return (__force __u64)*p;
+}
+static inline __be32 __cpu_to_be32p(const __u32 *p)
+{
+	return (__force __be32)*p;
+}
+static inline __u32 __be32_to_cpup(const __be32 *p)
+{
+	return (__force __u32)*p;
+}
+static inline __be16 __cpu_to_be16p(const __u16 *p)
+{
+	return (__force __be16)*p;
+}
+static inline __u16 __be16_to_cpup(const __be16 *p)
+{
+	return (__force __u16)*p;
+}
 #define __cpu_to_le64s(x) __swab64s((x))
 #define __le64_to_cpus(x) __swab64s((x))
 #define __cpu_to_le32s(x) __swab32s((x))
 #define __le32_to_cpus(x) __swab32s((x))
 #define __cpu_to_le16s(x) __swab16s((x))
 #define __le16_to_cpus(x) __swab16s((x))
-#define __cpu_to_be64s(x) do {} while (0)
-#define __be64_to_cpus(x) do {} while (0)
-#define __cpu_to_be32s(x) do {} while (0)
-#define __be32_to_cpus(x) do {} while (0)
-#define __cpu_to_be16s(x) do {} while (0)
-#define __be16_to_cpus(x) do {} while (0)
+#define __cpu_to_be64s(x) do { (void)(x); } while (0)
+#define __be64_to_cpus(x) do { (void)(x); } while (0)
+#define __cpu_to_be32s(x) do { (void)(x); } while (0)
+#define __be32_to_cpus(x) do { (void)(x); } while (0)
+#define __cpu_to_be16s(x) do { (void)(x); } while (0)
+#define __be16_to_cpus(x) do { (void)(x); } while (0)
 
+#ifdef __KERNEL__
 #include <linux/byteorder/generic.h>
+#endif
 
 #endif /* _LINUX_BYTEORDER_BIG_ENDIAN_H */
diff --git a/include/linux/byteorder/little_endian.h b/include/linux/byteorder/little_endian.h
index a46f3ec..a4cb3bf 100644
--- a/include/linux/byteorder/little_endian.h
+++ b/include/linux/byteorder/little_endian.h
@@ -9,54 +9,93 @@
 #endif
 #define	__BYTE_ORDER	__LITTLE_ENDIAN
 
+#include <linux/compiler.h>
+#include <linux/types.h>
 #include <linux/byteorder/swab.h>
 
-#define __constant_htonl(x) ___constant_swab32((x))
-#define __constant_ntohl(x) ___constant_swab32((x))
-#define __constant_htons(x) ___constant_swab16((x))
-#define __constant_ntohs(x) ___constant_swab16((x))
-#define __constant_cpu_to_le64(x) ((__u64)(x))
-#define __constant_le64_to_cpu(x) ((__u64)(x))
-#define __constant_cpu_to_le32(x) ((__u32)(x))
-#define __constant_le32_to_cpu(x) ((__u32)(x))
-#define __constant_cpu_to_le16(x) ((__u16)(x))
-#define __constant_le16_to_cpu(x) ((__u16)(x))
-#define __constant_cpu_to_be64(x) ___constant_swab64((x))
-#define __constant_be64_to_cpu(x) ___constant_swab64((x))
-#define __constant_cpu_to_be32(x) ___constant_swab32((x))
-#define __constant_be32_to_cpu(x) ___constant_swab32((x))
-#define __constant_cpu_to_be16(x) ___constant_swab16((x))
-#define __constant_be16_to_cpu(x) ___constant_swab16((x))
-#define __cpu_to_le64(x) ((__u64)(x))
-#define __le64_to_cpu(x) ((__u64)(x))
-#define __cpu_to_le32(x) ((__u32)(x))
-#define __le32_to_cpu(x) ((__u32)(x))
-#define __cpu_to_le16(x) ((__u16)(x))
-#define __le16_to_cpu(x) ((__u16)(x))
-#define __cpu_to_be64(x) __swab64((x))
-#define __be64_to_cpu(x) __swab64((x))
-#define __cpu_to_be32(x) __swab32((x))
-#define __be32_to_cpu(x) __swab32((x))
-#define __cpu_to_be16(x) __swab16((x))
-#define __be16_to_cpu(x) __swab16((x))
-#define __cpu_to_le64p(x) (*(__u64*)(x))
-#define __le64_to_cpup(x) (*(__u64*)(x))
-#define __cpu_to_le32p(x) (*(__u32*)(x))
-#define __le32_to_cpup(x) (*(__u32*)(x))
-#define __cpu_to_le16p(x) (*(__u16*)(x))
-#define __le16_to_cpup(x) (*(__u16*)(x))
-#define __cpu_to_be64p(x) __swab64p((x))
-#define __be64_to_cpup(x) __swab64p((x))
-#define __cpu_to_be32p(x) __swab32p((x))
-#define __be32_to_cpup(x) __swab32p((x))
-#define __cpu_to_be16p(x) __swab16p((x))
-#define __be16_to_cpup(x) __swab16p((x))
-#define __cpu_to_le64s(x) do {} while (0)
-#define __le64_to_cpus(x) do {} while (0)
-#define __cpu_to_le32s(x) do {} while (0)
-#define __le32_to_cpus(x) do {} while (0)
-#define __cpu_to_le16s(x) do {} while (0)
-#define __le16_to_cpus(x) do {} while (0)
+#define __constant_htonl(x) ((__force __be32)___constant_swab32((x)))
+#define __constant_ntohl(x) ___constant_swab32((__force __be32)(x))
+#define __constant_htons(x) ((__force __be16)___constant_swab16((x)))
+#define __constant_ntohs(x) ___constant_swab16((__force __be16)(x))
+#define __constant_cpu_to_le64(x) ((__force __le64)(__u64)(x))
+#define __constant_le64_to_cpu(x) ((__force __u64)(__le64)(x))
+#define __constant_cpu_to_le32(x) ((__force __le32)(__u32)(x))
+#define __constant_le32_to_cpu(x) ((__force __u32)(__le32)(x))
+#define __constant_cpu_to_le16(x) ((__force __le16)(__u16)(x))
+#define __constant_le16_to_cpu(x) ((__force __u16)(__le16)(x))
+#define __constant_cpu_to_be64(x) ((__force __be64)___constant_swab64((x)))
+#define __constant_be64_to_cpu(x) ___constant_swab64((__force __u64)(__be64)(x))
+#define __constant_cpu_to_be32(x) ((__force __be32)___constant_swab32((x)))
+#define __constant_be32_to_cpu(x) ___constant_swab32((__force __u32)(__be32)(x))
+#define __constant_cpu_to_be16(x) ((__force __be16)___constant_swab16((x)))
+#define __constant_be16_to_cpu(x) ___constant_swab16((__force __u16)(__be16)(x))
+#define __cpu_to_le64(x) ((__force __le64)(__u64)(x))
+#define __le64_to_cpu(x) ((__force __u64)(__le64)(x))
+#define __cpu_to_le32(x) ((__force __le32)(__u32)(x))
+#define __le32_to_cpu(x) ((__force __u32)(__le32)(x))
+#define __cpu_to_le16(x) ((__force __le16)(__u16)(x))
+#define __le16_to_cpu(x) ((__force __u16)(__le16)(x))
+#define __cpu_to_be64(x) ((__force __be64)__swab64((x)))
+#define __be64_to_cpu(x) __swab64((__force __u64)(__be64)(x))
+#define __cpu_to_be32(x) ((__force __be32)__swab32((x)))
+#define __be32_to_cpu(x) __swab32((__force __u32)(__be32)(x))
+#define __cpu_to_be16(x) ((__force __be16)__swab16((x)))
+#define __be16_to_cpu(x) __swab16((__force __u16)(__be16)(x))
+
+static inline __le64 __cpu_to_le64p(const __u64 *p)
+{
+	return (__force __le64)*p;
+}
+static inline __u64 __le64_to_cpup(const __le64 *p)
+{
+	return (__force __u64)*p;
+}
+static inline __le32 __cpu_to_le32p(const __u32 *p)
+{
+	return (__force __le32)*p;
+}
+static inline __u32 __le32_to_cpup(const __le32 *p)
+{
+	return (__force __u32)*p;
+}
+static inline __le16 __cpu_to_le16p(const __u16 *p)
+{
+	return (__force __le16)*p;
+}
+static inline __u16 __le16_to_cpup(const __le16 *p)
+{
+	return (__force __u16)*p;
+}
+static inline __be64 __cpu_to_be64p(const __u64 *p)
+{
+	return (__force __be64)__swab64p(p);
+}
+static inline __u64 __be64_to_cpup(const __be64 *p)
+{
+	return __swab64p((__u64 *)p);
+}
+static inline __be32 __cpu_to_be32p(const __u32 *p)
+{
+	return (__force __be32)__swab32p(p);
+}
+static inline __u32 __be32_to_cpup(const __be32 *p)
+{
+	return __swab32p((__u32 *)p);
+}
+static inline __be16 __cpu_to_be16p(const __u16 *p)
+{
+	return (__force __be16)__swab16p(p);
+}
+static inline __u16 __be16_to_cpup(const __be16 *p)
+{
+	return __swab16p((__u16 *)p);
+}
+#define __cpu_to_le64s(x) do { (void)(x); } while (0)
+#define __le64_to_cpus(x) do { (void)(x); } while (0)
+#define __cpu_to_le32s(x) do { (void)(x); } while (0)
+#define __le32_to_cpus(x) do { (void)(x); } while (0)
+#define __cpu_to_le16s(x) do { (void)(x); } while (0)
+#define __le16_to_cpus(x) do { (void)(x); } while (0)
 #define __cpu_to_be64s(x) __swab64s((x))
 #define __be64_to_cpus(x) __swab64s((x))
 #define __cpu_to_be32s(x) __swab32s((x))
@@ -64,6 +103,8 @@
 #define __cpu_to_be16s(x) __swab16s((x))
 #define __be16_to_cpus(x) __swab16s((x))
 
+#ifdef __KERNEL__
 #include <linux/byteorder/generic.h>
+#endif
 
 #endif /* _LINUX_BYTEORDER_LITTLE_ENDIAN_H */
diff --git a/include/linux/byteorder/swab.h b/include/linux/byteorder/swab.h
index b1d570e..bb4a046 100644
--- a/include/linux/byteorder/swab.h
+++ b/include/linux/byteorder/swab.h
@@ -100,7 +100,7 @@ static __inline__ __attribute__((const)) __u16 __fswab16(__u16 x)
 {
 	return __arch__swab16(x);
 }
-static __inline__ __u16 __swab16p(__u16 *x)
+static __inline__ __u16 __swab16p(const __u16 *x)
 {
 	return __arch__swab16p(x);
 }
@@ -113,7 +113,7 @@ static __inline__ __attribute__((const)) __u32 __fswab32(__u32 x)
 {
 	return __arch__swab32(x);
 }
-static __inline__ __u32 __swab32p(__u32 *x)
+static __inline__ __u32 __swab32p(const __u32 *x)
 {
 	return __arch__swab32p(x);
 }
@@ -133,7 +133,7 @@ static __inline__ __attribute__((const)) __u64 __fswab64(__u64 x)
 	return __arch__swab64(x);
 #  endif
 }
-static __inline__ __u64 __swab64p(__u64 *x)
+static __inline__ __u64 __swab64p(const __u64 *x)
 {
 	return __arch__swab64p(x);
 }