/* * Copyright (c) 2000, 2018, 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 * or visit www.oracle.com if you need additional information or have any * questions. * */ #ifndef SHARE_VM_GC_SHARED_CARDTABLEBARRIERSET_INLINE_HPP #define SHARE_VM_GC_SHARED_CARDTABLEBARRIERSET_INLINE_HPP #include "gc/shared/cardTableBarrierSet.hpp" #include "gc/shared/cardTable.hpp" #include "runtime/orderAccess.inline.hpp" template inline void CardTableBarrierSet::write_ref_field_post(T* field, oop newVal) { volatile jbyte* byte = _card_table->byte_for(field); if (UseConcMarkSweepGC) { // Perform a releasing store if using CMS so that it may // scan and clear the cards concurrently during pre-cleaning. OrderAccess::release_store(byte, CardTable::dirty_card_val()); } else { *byte = CardTable::dirty_card_val(); } } #endif // SHARE_VM_GC_SHARED_CARDTABLEBARRIERSET_INLINE_HPP