001/*
002 * Copyright (c) 2014, 2014, 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.amd64;
024
025import java.util.*;
026
027import jdk.internal.jvmci.code.*;
028
029import com.oracle.graal.compiler.common.*;
030import com.oracle.graal.hotspot.stubs.*;
031import com.oracle.graal.lir.*;
032import com.oracle.graal.lir.StandardOp.SaveRegistersOp;
033import com.oracle.graal.lir.framemap.*;
034import com.oracle.graal.lir.gen.*;
035
036public class AMD64HotSpotLIRGenerationResult extends LIRGenerationResultBase {
037
038    /**
039     * The slot reserved for storing the original return address when a frame is marked for
040     * deoptimization. The return address slot in the callee is overwritten with the address of a
041     * deoptimization stub.
042     */
043    private StackSlot deoptimizationRescueSlot;
044    private final Object stub;
045
046    /**
047     * Map from debug infos that need to be updated with callee save information to the operations
048     * that provide the information.
049     */
050    private Map<LIRFrameState, SaveRegistersOp> calleeSaveInfo = CollectionsFactory.newMap();
051
052    public AMD64HotSpotLIRGenerationResult(String compilationUnitName, LIR lir, FrameMapBuilder frameMapBuilder, Object stub) {
053        super(compilationUnitName, lir, frameMapBuilder);
054        this.stub = stub;
055    }
056
057    StackSlot getDeoptimizationRescueSlot() {
058        return deoptimizationRescueSlot;
059    }
060
061    public final void setDeoptimizationRescueSlot(StackSlot stackSlot) {
062        this.deoptimizationRescueSlot = stackSlot;
063    }
064
065    Stub getStub() {
066        return (Stub) stub;
067    }
068
069    Map<LIRFrameState, SaveRegistersOp> getCalleeSaveInfo() {
070        return calleeSaveInfo;
071    }
072}