1 /*

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

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

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

     6 * which accompanies this distribution, and is available

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

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 * 

    14 * Description:

    15 *

    16 */

    17 using System;

    18 using System.Collections.Generic;

    19 using System.Text;

    20 using SymbianUtils.BasicTypes;

    21 using SymbianStructuresLib.Arm.Registers;

    22 using SymbianStructuresLib.Arm.Instructions;

    23 using SymbianInstructionLib.Arm.Instructions.Common;

    24 

    25 namespace SymbianInstructionLib.Arm.Instructions.Thumb.DataTransfer

    26 {

    27     public abstract class Thumb_LoadOrStoreMultiple : Thumb_LoadOrStore

    28     {

    29         #region Constructors

    30         protected Thumb_LoadOrStoreMultiple()

    31         {

    32         }

    33         #endregion

    34 

    35         #region From ArmBaseInstruction

    36         protected override bool DoQueryInvolvementAsSource( TArmRegisterType aRegister )

    37         {

    38             TArmDataTransferType type = this.DataTransferType;

    39             //

    40             bool ret = base.DoQueryInvolvementAsSource( aRegister );

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

    42             {

    43                 // PUSH {r4, r5, r14}

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

    45                 List<TArmRegisterType> regs = this.RegistersAsList;

    46                 ret = regs.Contains( aRegister );

    47             }

    48             //

    49             return ret;

    50         }

    51 

    52         protected override bool DoQueryInvolvementAsDestination( TArmRegisterType aRegister )

    53         {

    54             TArmDataTransferType type = this.DataTransferType;

    55             //

    56             bool ret = base.DoQueryInvolvementAsDestination( aRegister );

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

    58             {

    59                 // POP {r4, r5, r15}

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

    61                 List<TArmRegisterType> regs = this.RegistersAsList;

    62                 ret = regs.Contains( aRegister );

    63             }

    64             //

    65             return ret;

    66         }

    67         #endregion

    68 

    69         #region Framework API

    70         protected abstract List<TArmRegisterType> RegistersAsList

    71         {

    72             get;

    73         }

    74         #endregion

    75 

    76         #region Properties

    77         public TArmRegisterType[] Registers

    78         {

    79             get { return RegistersAsList.ToArray(); }

    80         }

    81         #endregion

    82 

    83         #region Internal methods

    84         #endregion

    85 

    86         #region Data members

    87         #endregion

    88     }

    89 }

    90