--- /dev/null 2017-01-22 10:16:57.869617664 -0800 +++ new/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.hotspot/src/org/graalvm/compiler/hotspot/nodes/VMErrorNode.java 2017-02-15 17:00:06.579566947 -0800 @@ -0,0 +1,90 @@ +/* + * Copyright (c) 2012, 2016, 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. + * + * 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 org.graalvm.compiler.hotspot.nodes; + +import static org.graalvm.compiler.hotspot.HotSpotBackend.VM_ERROR; +import static org.graalvm.compiler.nodeinfo.NodeCycles.CYCLES_UNKNOWN; +import static org.graalvm.compiler.nodeinfo.NodeSize.SIZE_UNKNOWN; + +import org.graalvm.compiler.bytecode.Bytecode; +import org.graalvm.compiler.core.common.LIRKind; +import org.graalvm.compiler.core.common.spi.ForeignCallLinkage; +import org.graalvm.compiler.core.common.type.StampFactory; +import org.graalvm.compiler.graph.NodeClass; +import org.graalvm.compiler.nodeinfo.NodeInfo; +import org.graalvm.compiler.nodes.FrameState; +import org.graalvm.compiler.nodes.ValueNode; +import org.graalvm.compiler.nodes.spi.LIRLowerable; +import org.graalvm.compiler.nodes.spi.NodeLIRBuilderTool; +import org.graalvm.compiler.replacements.Log; +import org.graalvm.compiler.replacements.nodes.CStringConstant; + +import jdk.vm.ci.code.CodeUtil; +import jdk.vm.ci.meta.ResolvedJavaMethod; +import jdk.vm.ci.meta.Value; + +/** + * Causes the VM to exit with a description of the current Java location and an optional + * {@linkplain Log#printf(String, long) formatted} error message specified. + */ +@NodeInfo(cycles = CYCLES_UNKNOWN, size = SIZE_UNKNOWN) +public final class VMErrorNode extends DeoptimizingStubCall implements LIRLowerable { + + public static final NodeClass TYPE = NodeClass.create(VMErrorNode.class); + protected final String format; + @Input ValueNode value; + + public VMErrorNode(String format, ValueNode value) { + super(TYPE, StampFactory.forVoid()); + this.format = format; + this.value = value; + } + + @Override + public void generate(NodeLIRBuilderTool gen) { + String whereString; + if (stateBefore() != null) { + String nl = CodeUtil.NEW_LINE; + StringBuilder sb = new StringBuilder("in compiled code associated with frame state:"); + FrameState fs = stateBefore(); + while (fs != null) { + Bytecode.appendLocation(sb.append(nl).append("\t"), fs.getCode(), fs.bci); + fs = fs.outerFrameState(); + } + whereString = sb.toString(); + } else { + ResolvedJavaMethod method = graph().method(); + whereString = "in compiled code for " + (method == null ? graph().toString() : method.format("%H.%n(%p)")); + } + + LIRKind wordKind = gen.getLIRGeneratorTool().getLIRKind(StampFactory.pointer()); + Value whereArg = gen.getLIRGeneratorTool().emitConstant(wordKind, new CStringConstant(whereString)); + Value formatArg = gen.getLIRGeneratorTool().emitConstant(wordKind, new CStringConstant(format)); + + ForeignCallLinkage linkage = gen.getLIRGeneratorTool().getForeignCalls().lookupForeignCall(VM_ERROR); + gen.getLIRGeneratorTool().emitForeignCall(linkage, null, whereArg, formatArg, gen.operand(value)); + } + + @NodeIntrinsic + public static native void vmError(@ConstantNodeParameter String format, long value); +}