xref: /external/linux-tools-perf/host-darwin-fixup/byteswap.h

/*
 * Copyright 2012, The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#ifndef ELFUTILS_BYTESWAP_H
#define ELFUTILS_BYTESWAP_H

static inline unsigned short bswap_16(unsigned short val)
{
        return ((val & 0xff) << 8) | ((val >> 8) & 0xff);
}

static inline unsigned long bswap_32(unsigned long val)
{
        return bswap_16((unsigned short)val) << 16 |
               bswap_16((unsigned short)(val >> 16));
}

static inline unsigned long long bswap_64(unsigned long long val)
{
        return ((((unsigned long long)bswap_32(val)) << 32) |
                (((unsigned long long)bswap_32(val >> 32)) & 0xffffffffULL));
}

#endif /* ELFUTILS_BYTESWAP_H */