/*

 * Copyright (c) 2014, 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

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 */

package org.graalvm.compiler.hotspot;

import org.graalvm.compiler.core.common.CompilationIdentifier;

import org.graalvm.compiler.hotspot.stubs.Stub;

import org.graalvm.compiler.lir.LIR;

import org.graalvm.compiler.lir.LIRFrameState;

import org.graalvm.compiler.lir.StandardOp.SaveRegistersOp;

import org.graalvm.compiler.lir.framemap.FrameMapBuilder;

import org.graalvm.compiler.lir.gen.LIRGenerationResult;

import jdk.vm.ci.code.CallingConvention;

import jdk.vm.ci.code.StackSlot;

public class HotSpotLIRGenerationResult extends LIRGenerationResult {

    /**

     * The slot reserved for storing the original return address when a frame is marked for

     * deoptimization. The return address slot in the callee is overwritten with the address of a

     * deoptimization stub.

     */

    private StackSlot deoptimizationRescueSlot;

    protected final Object stub;

    private int maxInterpreterFrameSize;

    /**

     * Map from debug infos that need to be updated with callee save information to the operations

     * that provide the information.

     */

    private EconomicMap<LIRFrameState, SaveRegistersOp> calleeSaveInfo = EconomicMap.create(Equivalence.IDENTITY_WITH_SYSTEM_HASHCODE);

    public HotSpotLIRGenerationResult(CompilationIdentifier compilationId, LIR lir, FrameMapBuilder frameMapBuilder, CallingConvention callingConvention, Object stub) {

        super(compilationId, lir, frameMapBuilder, callingConvention);

        this.stub = stub;

    }

    public EconomicMap<LIRFrameState, SaveRegistersOp> getCalleeSaveInfo() {

        return calleeSaveInfo;

    }

    public Stub getStub() {

        return (Stub) stub;

    }

    public StackSlot getDeoptimizationRescueSlot() {

        return deoptimizationRescueSlot;

    }

    public final void setDeoptimizationRescueSlot(StackSlot stackSlot) {

        this.deoptimizationRescueSlot = stackSlot;

    }

    public void setMaxInterpreterFrameSize(int maxInterpreterFrameSize) {

        this.maxInterpreterFrameSize = maxInterpreterFrameSize;

    }

    public int getMaxInterpreterFrameSize() {

        return maxInterpreterFrameSize;

    }

}