mem_utils.h

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/*
 * Copyright (c) 2017 Rafael Antoniello
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. Neither the name of copyright holders nor the names of its
 *    contributors may be used to endorse or promote products derived
 *    from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * “AS IS” AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL COPYRIGHT HOLDERS OR CONTRIBUTORS
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef UTILS_SRC_MEM_UTILS_H_
#define UTILS_SRC_MEM_UTILS_H_

#include <sys/types.h>
#include <inttypes.h>

/* **** Definitions **** */

#define CTX_S_BASE_ALIGN sizeof(uint64_t)

#define EXTEND_SIZE_TO_MULTIPLE(SIZE, MULTIPLE) \
    (\
        (SIZE)% MULTIPLE? (SIZE)+ (MULTIPLE- ((SIZE)% MULTIPLE)): (SIZE)\
    )

#define SIZE_IS_MULTIPLE(SIZE, MULTIPLE) (((SIZE)% MULTIPLE)== 0)

#if _FILE_OFFSET_BITS==64
#define WORD_T          uint64_t
#define DPATHW          64
#define DPATHW_SHIFTb   6
#define DPATHW_SHIFTB   3
#define SWAPW           SWAP8
#else
#define WORD_T          uint32_t
#define DPATHW          32
#define DPATHW_SHIFTb   5
#define DPATHW_SHIFTB   2
#define SWAPW           SWAP4
#endif

#endif /* UTILS_SRC_MEM_UTILS_H_ */