1 /* 2 * Copyright (c) 2012, 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; 24 25 import static org.graalvm.compiler.hotspot.HotSpotBackend.VM_ERROR; 26 import static org.graalvm.compiler.nodeinfo.NodeCycles.CYCLES_UNKNOWN; 27 import static org.graalvm.compiler.nodeinfo.NodeSize.SIZE_UNKNOWN; 28 29 import org.graalvm.compiler.bytecode.Bytecode; 30 import org.graalvm.compiler.core.common.LIRKind; 31 import org.graalvm.compiler.core.common.spi.ForeignCallLinkage; 32 import org.graalvm.compiler.core.common.type.StampFactory; 33 import org.graalvm.compiler.graph.NodeClass; 34 import org.graalvm.compiler.nodeinfo.NodeInfo; 35 import org.graalvm.compiler.nodes.FrameState; 36 import org.graalvm.compiler.nodes.ValueNode; 37 import org.graalvm.compiler.nodes.spi.LIRLowerable; 38 import org.graalvm.compiler.nodes.spi.NodeLIRBuilderTool; 39 import org.graalvm.compiler.replacements.Log; 40 import org.graalvm.compiler.replacements.nodes.CStringConstant; 41 42 import jdk.vm.ci.code.CodeUtil; 43 import jdk.vm.ci.meta.ResolvedJavaMethod; 44 import jdk.vm.ci.meta.Value; 45 46 /** 47 * Causes the VM to exit with a description of the current Java location and an optional 48 * {@linkplain Log#printf(String, long) formatted} error message specified. 49 */ 50 @NodeInfo(cycles = CYCLES_UNKNOWN, size = SIZE_UNKNOWN) 51 public final class VMErrorNode extends DeoptimizingStubCall implements LIRLowerable { 52 53 public static final NodeClass<VMErrorNode> TYPE = NodeClass.create(VMErrorNode.class); 54 protected final String format; 55 @Input ValueNode value; 56 57 public VMErrorNode(String format, ValueNode value) { 58 super(TYPE, StampFactory.forVoid()); 59 this.format = format; 60 this.value = value; 61 } 62 63 @Override 64 public void generate(NodeLIRBuilderTool gen) { 65 String whereString; 66 if (stateBefore() != null) { 67 String nl = CodeUtil.NEW_LINE; 68 StringBuilder sb = new StringBuilder("in compiled code associated with frame state:"); 69 FrameState fs = stateBefore(); 70 while (fs != null) { 71 Bytecode.appendLocation(sb.append(nl).append("\t"), fs.getCode(), fs.bci); 72 fs = fs.outerFrameState(); 73 } 74 whereString = sb.toString(); 75 } else { 76 ResolvedJavaMethod method = graph().method(); 77 whereString = "in compiled code for " + (method == null ? graph().toString() : method.format("%H.%n(%p)")); 78 } 79 80 LIRKind wordKind = gen.getLIRGeneratorTool().getLIRKind(StampFactory.pointer()); 81 Value whereArg = gen.getLIRGeneratorTool().emitConstant(wordKind, new CStringConstant(whereString)); 82 Value formatArg = gen.getLIRGeneratorTool().emitConstant(wordKind, new CStringConstant(format)); 83 84 ForeignCallLinkage linkage = gen.getLIRGeneratorTool().getForeignCalls().lookupForeignCall(VM_ERROR); 85 gen.getLIRGeneratorTool().emitForeignCall(linkage, null, whereArg, formatArg, gen.operand(value)); 86 } 87 88 @NodeIntrinsic 89 public static native void vmError(@ConstantNodeParameter String format, long value); 90 }