1/*
2 * Copyright (c) 2000, 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
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23 */
24
25#ifndef SHARE_GC_SHARED_CARDTABLEBARRIERSET_INLINE_HPP
26#define SHARE_GC_SHARED_CARDTABLEBARRIERSET_INLINE_HPP
27
28#include "gc/shared/cardTableBarrierSet.hpp"
29#include "gc/shared/cardTable.hpp"
30#include "runtime/orderAccess.hpp"
31
32template <DecoratorSet decorators, typename T>
33inline void CardTableBarrierSet::write_ref_field_post(T* field, oop newVal) {
34 volatile CardValue* byte = _card_table->byte_for(field);
35 if (_card_table->scanned_concurrently()) {
36 // Perform a releasing store if the card table is scanned concurrently
37 OrderAccess::release_store(byte, CardTable::dirty_card_val());
38 } else {
39 *byte = CardTable::dirty_card_val();
40 }
41}
42
43#endif // SHARE_GC_SHARED_CARDTABLEBARRIERSET_INLINE_HPP
44