/*

 * Copyright (c) 2019, 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_ZATTACHEDARRAY_INLINE_HPP

#define SHARE_GC_Z_ZATTACHEDARRAY_INLINE_HPP

#include "gc/z/zAttachedArray.hpp"

#include "memory/allocation.hpp"

#include "utilities/align.hpp"

template <typename ObjectT, typename ArrayT>

inline size_t ZAttachedArray<ObjectT, ArrayT>::object_size() {

  return align_up(sizeof(ObjectT), sizeof(ArrayT));

}

template <typename ObjectT, typename ArrayT>

inline void* ZAttachedArray<ObjectT, ArrayT>::alloc(size_t length) {

  const size_t array_size = sizeof(ArrayT) * length;

  char* const addr = AllocateHeap(object_size() + array_size, mtGC);

  ::new (addr + object_size()) ArrayT[length];

  return addr;

}

template <typename ObjectT, typename ArrayT>

inline void ZAttachedArray<ObjectT, ArrayT>::free(ObjectT* obj) {

  FreeHeap(obj);

}

template <typename ObjectT, typename ArrayT>

inline ZAttachedArray<ObjectT, ArrayT>::ZAttachedArray(size_t length) :

    _length(length) {}

template <typename ObjectT, typename ArrayT>

inline size_t ZAttachedArray<ObjectT, ArrayT>::length() const {

  return _length;

}

template <typename ObjectT, typename ArrayT>

inline ArrayT* ZAttachedArray<ObjectT, ArrayT>::operator()(const ObjectT* obj) const {

  return reinterpret_cast<ArrayT*>(reinterpret_cast<uintptr_t>(obj) + object_size());

}

#endif // SHARE_GC_Z_ZATTACHEDARRAY_INLINE_HPP