1 /* 2 * Copyright (c) 2016, 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 package org.graalvm.compiler.hotspot.nodes.aot; 24 25 import jdk.vm.ci.meta.Constant; 26 import jdk.vm.ci.meta.Value; 27 28 import static org.graalvm.compiler.nodeinfo.NodeCycles.CYCLES_UNKNOWN; 29 import static org.graalvm.compiler.nodeinfo.NodeSize.SIZE_20; 30 31 import org.graalvm.compiler.graph.Node; 32 import org.graalvm.compiler.graph.NodeClass; 33 import org.graalvm.compiler.graph.spi.Canonicalizable; 34 import org.graalvm.compiler.graph.spi.CanonicalizerTool; 35 import org.graalvm.compiler.hotspot.HotSpotLIRGenerator; 36 import org.graalvm.compiler.hotspot.nodes.DeoptimizingStubCall; 37 import org.graalvm.compiler.hotspot.nodes.type.MethodCountersPointerStamp; 38 import org.graalvm.compiler.hotspot.word.KlassPointer; 39 import org.graalvm.compiler.hotspot.word.MethodCountersPointer; 40 import org.graalvm.compiler.hotspot.word.MethodPointer; 41 import org.graalvm.compiler.lir.LIRFrameState; 42 import org.graalvm.compiler.nodeinfo.NodeInfo; 43 import org.graalvm.compiler.nodes.ValueNode; 44 import org.graalvm.compiler.nodes.spi.LIRLowerable; 45 import org.graalvm.compiler.nodes.spi.NodeLIRBuilderTool; 46 import org.graalvm.compiler.nodes.util.GraphUtil; 47 48 /** 49 * A call to the VM via a regular stub. 50 */ 51 @NodeInfo(cycles = CYCLES_UNKNOWN, size = SIZE_20) 52 public class ResolveMethodAndLoadCountersStubCall extends DeoptimizingStubCall implements Canonicalizable, LIRLowerable { 53 public static final NodeClass<ResolveMethodAndLoadCountersStubCall> TYPE = NodeClass.create(ResolveMethodAndLoadCountersStubCall.class); 54 55 @OptionalInput protected ValueNode method; 56 @Input protected ValueNode klassHint; 57 @Input protected ValueNode methodDescription; 58 protected Constant methodConstant; 59 60 public ResolveMethodAndLoadCountersStubCall(ValueNode method, ValueNode klassHint, ValueNode methodDescription) { 61 super(TYPE, MethodCountersPointerStamp.methodCountersNonNull()); 62 this.klassHint = klassHint; 63 this.method = method; 64 this.methodDescription = methodDescription; 65 } 66 67 @NodeIntrinsic 68 public static native MethodCountersPointer resolveMethodAndLoadCounters(MethodPointer method, KlassPointer klassHint, Object methodDescription); 69 70 @Override 71 public Node canonical(CanonicalizerTool tool) { 72 if (method != null) { 73 methodConstant = GraphUtil.foldIfConstantAndRemove(this, method); 74 } 75 return this; 76 } 77 78 @Override 79 public void generate(NodeLIRBuilderTool gen) { 80 assert methodConstant != null : "Expected method to fold: " + method; 81 82 Value methodDescriptionValue = gen.operand(methodDescription); 83 Value klassHintValue = gen.operand(klassHint); 84 LIRFrameState fs = gen.state(this); 85 assert fs != null : "The stateAfter is null"; 86 87 Value result = ((HotSpotLIRGenerator) gen.getLIRGeneratorTool()).emitResolveMethodAndLoadCounters(methodConstant, klassHintValue, methodDescriptionValue, fs); 88 89 gen.setResult(this, result); 90 } 91 92 }