1 /* 2 * Copyright (c) 2016, 2018, 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 24 25 package org.graalvm.compiler.hotspot.nodes.aot; 26 27 import static org.graalvm.compiler.nodeinfo.NodeCycles.CYCLES_UNKNOWN; 28 import static org.graalvm.compiler.nodeinfo.NodeSize.SIZE_16; 29 30 import org.graalvm.compiler.graph.Node; 31 import org.graalvm.compiler.graph.NodeClass; 32 import org.graalvm.compiler.graph.spi.Canonicalizable; 33 import org.graalvm.compiler.graph.spi.CanonicalizerTool; 34 import org.graalvm.compiler.hotspot.HotSpotLIRGenerator; 35 import org.graalvm.compiler.hotspot.nodes.DeoptimizingStubCall; 36 import org.graalvm.compiler.hotspot.nodes.type.MethodCountersPointerStamp; 37 import org.graalvm.compiler.hotspot.word.KlassPointer; 38 import org.graalvm.compiler.hotspot.word.MethodCountersPointer; 39 import org.graalvm.compiler.hotspot.word.MethodPointer; 40 import org.graalvm.compiler.lir.LIRFrameState; 41 import org.graalvm.compiler.nodeinfo.NodeInfo; 42 import org.graalvm.compiler.nodes.ValueNode; 43 import org.graalvm.compiler.nodes.spi.LIRLowerable; 44 import org.graalvm.compiler.nodes.spi.NodeLIRBuilderTool; 45 import org.graalvm.compiler.nodes.util.GraphUtil; 46 47 import jdk.vm.ci.meta.Constant; 48 import jdk.vm.ci.meta.Value; 49 50 /** 51 * A call to the VM via a regular stub. 52 */ 53 @NodeInfo(cycles = CYCLES_UNKNOWN, size = SIZE_16) 54 public class ResolveMethodAndLoadCountersStubCall extends DeoptimizingStubCall implements Canonicalizable, LIRLowerable { 55 public static final NodeClass<ResolveMethodAndLoadCountersStubCall> TYPE = NodeClass.create(ResolveMethodAndLoadCountersStubCall.class); 56 57 @OptionalInput protected ValueNode method; 58 @Input protected ValueNode klassHint; 59 @Input protected ValueNode methodDescription; 60 protected Constant methodConstant; 61 62 public ResolveMethodAndLoadCountersStubCall(ValueNode method, ValueNode klassHint, ValueNode methodDescription) { 63 super(TYPE, MethodCountersPointerStamp.methodCountersNonNull()); 64 this.klassHint = klassHint; 65 this.method = method; 66 this.methodDescription = methodDescription; 67 } 68 69 @NodeIntrinsic 70 public static native MethodCountersPointer resolveMethodAndLoadCounters(MethodPointer method, KlassPointer klassHint, Object methodDescription); 71 72 @Override 73 public Node canonical(CanonicalizerTool tool) { 74 if (method != null) { 75 methodConstant = GraphUtil.foldIfConstantAndRemove(this, method); 76 } 77 return this; 78 } 79 80 @Override 81 public void generate(NodeLIRBuilderTool gen) { 82 assert methodConstant != null : "Expected method to fold: " + method; 83 84 Value methodDescriptionValue = gen.operand(methodDescription); 85 Value klassHintValue = gen.operand(klassHint); 86 LIRFrameState fs = gen.state(this); 87 assert fs != null : "The stateAfter is null"; 88 89 Value result = ((HotSpotLIRGenerator) gen.getLIRGeneratorTool()).emitResolveMethodAndLoadCounters(methodConstant, klassHintValue, methodDescriptionValue, fs); 90 91 gen.setResult(this, result); 92 } 93 94 }