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