/*

 * Copyright (c) 2015, 2017, 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

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 */

#ifndef SHARE_GC_Z_ZUTILS_INLINE_HPP

#define SHARE_GC_Z_ZUTILS_INLINE_HPP

#include "gc/z/zOop.inline.hpp"

#include "gc/z/zUtils.hpp"

#include "oops/oop.inline.hpp"

#include "utilities/align.hpp"

#include "utilities/copy.hpp"

#include "utilities/debug.hpp"

#include "utilities/globalDefinitions.hpp"

inline size_t ZUtils::round_up_power_of_2(size_t value) {

  assert(value != 0, "Invalid value");

  if (is_power_of_2(value)) {

    return value;

  }

  return (size_t)1 << (log2_intptr(value) + 1);

}

inline size_t ZUtils::round_down_power_of_2(size_t value) {

  assert(value != 0, "Invalid value");

  return (size_t)1 << log2_intptr(value);

}

inline size_t ZUtils::bytes_to_words(size_t size_in_bytes) {

  assert(is_aligned(size_in_bytes, BytesPerWord), "Size not word aligned");

  return size_in_bytes >> LogBytesPerWord;

}

inline size_t ZUtils::words_to_bytes(size_t size_in_words) {

  return size_in_words << LogBytesPerWord;

}

inline size_t ZUtils::object_size(uintptr_t addr) {

  return words_to_bytes(ZOop::from_address(addr)->size());

}

inline void ZUtils::object_copy(uintptr_t from, uintptr_t to, size_t size) {

  Copy::aligned_disjoint_words((HeapWord*)from, (HeapWord*)to, bytes_to_words(size));

}

#endif // SHARE_GC_Z_ZUTILS_INLINE_HPP