001/*
002 * Copyright (c) 2012, 2015, Oracle and/or its affiliates. All rights reserved.
003 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
004 *
005 * This code is free software; you can redistribute it and/or modify it
006 * under the terms of the GNU General Public License version 2 only, as
007 * published by the Free Software Foundation.
008 *
009 * This code is distributed in the hope that it will be useful, but WITHOUT
010 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
011 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
012 * version 2 for more details (a copy is included in the LICENSE file that
013 * accompanied this code).
014 *
015 * You should have received a copy of the GNU General Public License version
016 * 2 along with this work; if not, write to the Free Software Foundation,
017 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
018 *
019 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
020 * or visit www.oracle.com if you need additional information or have any
021 * questions.
022 */
023package com.oracle.graal.hotspot.nodes;
024
025import jdk.internal.jvmci.code.*;
026import jdk.internal.jvmci.meta.*;
027import static com.oracle.graal.hotspot.HotSpotBackend.*;
028import static com.oracle.graal.hotspot.nodes.CStringNode.*;
029
030import com.oracle.graal.compiler.common.spi.*;
031import com.oracle.graal.compiler.common.type.*;
032import com.oracle.graal.graph.*;
033import com.oracle.graal.nodeinfo.*;
034import com.oracle.graal.nodes.*;
035import com.oracle.graal.nodes.spi.*;
036import com.oracle.graal.replacements.*;
037
038/**
039 * Causes the VM to exit with a description of the current Java location and an optional
040 * {@linkplain Log#printf(String, long) formatted} error message specified.
041 */
042@NodeInfo
043public final class VMErrorNode extends DeoptimizingStubCall implements LIRLowerable {
044
045    public static final NodeClass<VMErrorNode> TYPE = NodeClass.create(VMErrorNode.class);
046    protected final String format;
047    @Input ValueNode value;
048
049    public VMErrorNode(String format, ValueNode value) {
050        super(TYPE, StampFactory.forVoid());
051        this.format = format;
052        this.value = value;
053    }
054
055    @Override
056    public void generate(NodeLIRBuilderTool gen) {
057        String whereString;
058        if (stateBefore() != null) {
059            String nl = CodeUtil.NEW_LINE;
060            StringBuilder sb = new StringBuilder("in compiled code associated with frame state:");
061            FrameState fs = stateBefore();
062            while (fs != null) {
063                MetaUtil.appendLocation(sb.append(nl).append("\t"), fs.method(), fs.bci);
064                fs = fs.outerFrameState();
065            }
066            whereString = sb.toString();
067        } else {
068            ResolvedJavaMethod method = graph().method();
069            whereString = "in compiled code for " + (method == null ? graph().toString() : method.format("%H.%n(%p)"));
070        }
071        Value whereArg = emitCString(gen, whereString);
072        Value formatArg = emitCString(gen, format);
073
074        ForeignCallLinkage linkage = gen.getLIRGeneratorTool().getForeignCalls().lookupForeignCall(VM_ERROR);
075        gen.getLIRGeneratorTool().emitForeignCall(linkage, null, whereArg, formatArg, gen.operand(value));
076    }
077
078    @NodeIntrinsic
079    public static native void vmError(@ConstantNodeParameter String format, long value);
080}