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[GR-49708] Implement open type world virtual method dispatch
PullRequest: graal/17065
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82 changes: 82 additions & 0 deletions
82
...ore/src/com/oracle/svm/core/graal/nodes/LoadOpenTypeWorldDispatchTableStartingOffset.java
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| /* | ||
| * Copyright (c) 2024, 2024, 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. Oracle designates this | ||
| * particular file as subject to the "Classpath" exception as provided | ||
| * by Oracle in the LICENSE file that accompanied this code. | ||
| * | ||
| * 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. | ||
| */ | ||
| package com.oracle.svm.core.graal.nodes; | ||
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| import com.oracle.svm.core.graal.snippets.OpenTypeWorldDispatchTableSnippets; | ||
| import com.oracle.svm.core.meta.SharedMethod; | ||
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| import jdk.graal.compiler.core.common.type.StampFactory; | ||
| import jdk.graal.compiler.graph.NodeClass; | ||
| import jdk.graal.compiler.nodeinfo.NodeCycles; | ||
| import jdk.graal.compiler.nodeinfo.NodeInfo; | ||
| import jdk.graal.compiler.nodeinfo.NodeSize; | ||
| import jdk.graal.compiler.nodes.FixedWithNextNode; | ||
| import jdk.graal.compiler.nodes.ValueNode; | ||
| import jdk.graal.compiler.nodes.spi.Lowerable; | ||
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| /** | ||
| * When using the open type world, each interface a type implements has a unique dispatch table. For | ||
| * a given type, all the tables are stored together with the DynamicHubs' vtable slots. The logic | ||
| * for determining the starting offset of the dispatch table is contained in | ||
| * {@link OpenTypeWorldDispatchTableSnippets}. | ||
| */ | ||
| @NodeInfo(size = NodeSize.SIZE_UNKNOWN, cycles = NodeCycles.CYCLES_UNKNOWN) | ||
| public class LoadOpenTypeWorldDispatchTableStartingOffset extends FixedWithNextNode implements Lowerable { | ||
| public static final NodeClass<LoadOpenTypeWorldDispatchTableStartingOffset> TYPE = NodeClass.create(LoadOpenTypeWorldDispatchTableStartingOffset.class); | ||
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| @Input protected ValueNode hub; | ||
| @OptionalInput protected ValueNode interfaceTypeID; | ||
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| protected final SharedMethod target; | ||
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| public LoadOpenTypeWorldDispatchTableStartingOffset(ValueNode hub, SharedMethod target) { | ||
| super(TYPE, StampFactory.forInteger(64)); | ||
| this.hub = hub; | ||
| this.target = target; | ||
| this.interfaceTypeID = null; | ||
| } | ||
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| protected LoadOpenTypeWorldDispatchTableStartingOffset(ValueNode hub, ValueNode interfaceTypeID) { | ||
| super(TYPE, StampFactory.forInteger(64)); | ||
| this.hub = hub; | ||
| this.target = null; | ||
| this.interfaceTypeID = interfaceTypeID; | ||
| } | ||
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| public ValueNode getHub() { | ||
| return hub; | ||
| } | ||
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| public ValueNode getInterfaceTypeID() { | ||
| return interfaceTypeID; | ||
| } | ||
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| public SharedMethod getTarget() { | ||
| return target; | ||
| } | ||
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| @NodeIntrinsic | ||
| public static native long createOpenTypeWorldLoadDispatchTableStartingOffset(Object hub, int interfaceTypeID); | ||
| } |
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