/*

* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies). 

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of "Eclipse Public License v1.0"

* which accompanies this distribution, and is available

* at the URL "http://www.eclipse.org/legal/epl-v10.html".

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

* 

* Description:

*

*/

using System;

using System.Collections.Generic;

using System.Text;

using SymbianUtils.BasicTypes;

using SymbianStructuresLib.Arm.Registers;

using SymbianStructuresLib.Arm.Instructions;

using SymbianInstructionLib.Arm.Instructions.Common;

namespace SymbianInstructionLib.Arm.Instructions.Thumb.DataTransfer

{

    public abstract class Thumb_LoadOrStoreMultiple : Thumb_LoadOrStore

    {

        #region Constructors

        protected Thumb_LoadOrStoreMultiple()

        {

        }

        #endregion

        #region From ArmBaseInstruction

        protected override bool DoQueryInvolvementAsSource( TArmRegisterType aRegister )

        {

            TArmDataTransferType type = this.DataTransferType;

            //

            bool ret = base.DoQueryInvolvementAsSource( aRegister );

            if ( ret == false && type == TArmDataTransferType.EStore )

            {

                // PUSH {r4, r5, r14}

                // r13 = dest, r4, r5, r14 are source registers

                List<TArmRegisterType> regs = this.RegistersAsList;

                ret = regs.Contains( aRegister );

            }

            //

            return ret;

        }

        protected override bool DoQueryInvolvementAsDestination( TArmRegisterType aRegister )

        {

            TArmDataTransferType type = this.DataTransferType;

            //

            bool ret = base.DoQueryInvolvementAsDestination( aRegister );

            if ( ret == false && type == TArmDataTransferType.ELoad )

            {

                // POP {r4, r5, r15}

                // r13 = source, r4, r5, r14 are destination registers

                List<TArmRegisterType> regs = this.RegistersAsList;

                ret = regs.Contains( aRegister );

            }

            //

            return ret;

        }

        #endregion

        #region Framework API

        protected abstract List<TArmRegisterType> RegistersAsList

        {

            get;

        }

        #endregion

        #region Properties

        public TArmRegisterType[] Registers

        {

            get { return RegistersAsList.ToArray(); }

        }

        #endregion

        #region Internal methods

        #endregion

        #region Data members

        #endregion

    }

}