/*

 * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.

 *

 * This code is distributed in the hope that it will be useful, but WITHOUT

 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

 * or visit www.oracle.com if you need additional information or have any

 * questions.

 *

 */

#ifndef OS_CPU_BSD_ZERO_VM_BYTES_BSD_ZERO_INLINE_HPP

#define OS_CPU_BSD_ZERO_VM_BYTES_BSD_ZERO_INLINE_HPP

// Efficient swapping of data bytes from Java byte

// ordering to native byte ordering and vice versa.

#ifdef __APPLE__

#  include <libkern/OSByteOrder.h>

#else

#  include <sys/endian.h>

#endif

#if defined(__APPLE__)

#  define bswap_16(x)   OSSwapInt16(x)

#  define bswap_32(x)   OSSwapInt32(x)

#  define bswap_64(x)   OSSwapInt64(x)

#elif defined(__OpenBSD__)

#  define bswap_16(x)   swap16(x)

#  define bswap_32(x)   swap32(x)

#  define bswap_64(x)   swap64(x)

#elif defined(__NetBSD__)

#  define bswap_16(x)   bswap16(x)

#  define bswap_32(x)   bswap32(x)

#  define bswap_64(x)   bswap64(x)

#else

#  define bswap_16(x) __bswap16(x)

#  define bswap_32(x) __bswap32(x)

#  define bswap_64(x) __bswap64(x)

#endif

inline u2 Bytes::swap_u2(u2 x) {

  return bswap_16(x);

}

inline u4 Bytes::swap_u4(u4 x) {

  return bswap_32(x);

}

inline u8 Bytes::swap_u8(u8 x) {

  return bswap_64(x);

}

#endif // OS_CPU_BSD_ZERO_VM_BYTES_BSD_ZERO_INLINE_HPP