1/*
2 * Copyright (c) 2019, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23
24#ifndef SHARE_GC_Z_ZATTACHEDARRAY_INLINE_HPP
25#define SHARE_GC_Z_ZATTACHEDARRAY_INLINE_HPP
26
27#include "gc/z/zAttachedArray.hpp"
28#include "memory/allocation.hpp"
29#include "utilities/align.hpp"
30
31template <typename ObjectT, typename ArrayT>
32inline size_t ZAttachedArray<ObjectT, ArrayT>::object_size() {
33 return align_up(sizeof(ObjectT), sizeof(ArrayT));
34}
35
36template <typename ObjectT, typename ArrayT>
37inline void* ZAttachedArray<ObjectT, ArrayT>::alloc(size_t length) {
38 const size_t array_size = sizeof(ArrayT) * length;
39 char* const addr = AllocateHeap(object_size() + array_size, mtGC);
40 ::new (addr + object_size()) ArrayT[length];
41 return addr;
42}
43
44template <typename ObjectT, typename ArrayT>
45inline void ZAttachedArray<ObjectT, ArrayT>::free(ObjectT* obj) {
46 FreeHeap(obj);
47}
48
49template <typename ObjectT, typename ArrayT>
50inline ZAttachedArray<ObjectT, ArrayT>::ZAttachedArray(size_t length) :
51 _length(length) {}
52
53template <typename ObjectT, typename ArrayT>
54inline uint32_t ZAttachedArray<ObjectT, ArrayT>::length() const {
55 return _length;
56}
57
58template <typename ObjectT, typename ArrayT>
59inline ArrayT* ZAttachedArray<ObjectT, ArrayT>::operator()(const ObjectT* obj) const {
60 return reinterpret_cast<ArrayT*>(reinterpret_cast<uintptr_t>(obj) + object_size());
61}
62
63#endif // SHARE_GC_Z_ZATTACHEDARRAY_INLINE_HPP
64