1 /* 2 * Copyright (c) 2019, Oracle and/or its affiliates. All rights reserved. 3 * Copyright (c) 2019, Red Hat Inc. All rights reserved. 4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 5 * 6 * This code is free software; you can redistribute it and/or modify it 7 * under the terms of the GNU General Public License version 2 only, as 8 * published by the Free Software Foundation. 9 * 10 * This code is distributed in the hope that it will be useful, but WITHOUT 11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 13 * version 2 for more details (a copy is included in the LICENSE file that 14 * accompanied this code). 15 * 16 * You should have received a copy of the GNU General Public License version 17 * 2 along with this work; if not, write to the Free Software Foundation, 18 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 19 * 20 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 21 * or visit www.oracle.com if you need additional information or have any 22 * questions. 23 */ 24 25 26 package org.graalvm.compiler.hotspot.gc.shared; 27 28 import org.graalvm.compiler.hotspot.GraalHotSpotVMConfig; 29 import org.graalvm.compiler.nodes.StructuredGraph; 30 import org.graalvm.compiler.nodes.extended.ArrayRangeWrite; 31 import org.graalvm.compiler.nodes.java.AbstractCompareAndSwapNode; 32 import org.graalvm.compiler.nodes.java.LoweredAtomicReadAndWriteNode; 33 import org.graalvm.compiler.nodes.memory.ReadNode; 34 import org.graalvm.compiler.nodes.memory.WriteNode; 35 36 public abstract class BarrierSet { 37 private final GraalHotSpotVMConfig vmConfig; 38 39 protected BarrierSet(GraalHotSpotVMConfig vmConfig) { 40 this.vmConfig = vmConfig; 41 } 42 43 public final GraalHotSpotVMConfig getVMConfig() { 44 return vmConfig; 45 } 46 47 public abstract void addReadNodeBarriers(ReadNode node, StructuredGraph graph); 48 49 public abstract void addWriteNodeBarriers(WriteNode node, StructuredGraph graph); 50 51 public abstract void addAtomicReadWriteNodeBarriers(LoweredAtomicReadAndWriteNode node, StructuredGraph graph); 52 53 public abstract void addCASBarriers(AbstractCompareAndSwapNode node, StructuredGraph graph); 54 55 public abstract void addArrayRangeBarriers(ArrayRangeWrite write, StructuredGraph graph); 56 }