crashanalysercmd/PerfToolsSharedLibraries/Engine/SymbianInstructionLib/Arm/Instructions/Thumb/DataTransfer/Thumb_LoadOrStore_Register.cs
/*
* 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
{
[ArmRef( "A7.1.29 LDR (2)", "LDR <Rd>, [<Rn>, <Rm>]" )]
[ArmRef( "A7.1.59 STR (2)", "STR <Rd>, [<Rn>, <Rm>]" )]
public class Thumb_LoadOrStore_Register : Thumb_LoadOrStore
{
#region Constructors
public Thumb_LoadOrStore_Register()
{
// Type Rm Rn Rd
base.SetMask( "0101" + "#" + "00" + "###" + "###" + "###" );
}
#endregion
#region From ArmBaseInstruction
protected override bool DoQueryInvolvementAsSource( TArmRegisterType aRegister )
{
bool ret = false;
//
TArmDataTransferType type = this.DataTransferType;
if ( type == TArmDataTransferType.EStore )
{
// STR <Rd>, [<Rn>, <Rm>]
// Rd = dest, Rn, Rm are source registers
TArmRegisterType regN = this.Rn;
TArmRegisterType regM = this.Rm;
ret = ( aRegister == regN || aRegister == regM );
}
else if ( type == TArmDataTransferType.ELoad )
{
// LDR <Rd>, [<Rn>, <Rm>]
// Rd = source, Rn, Rm are destination registers
TArmRegisterType regD = this.Rd;
ret = ( aRegister == regD );
}
//
return ret;
}
protected override bool DoQueryInvolvementAsDestination( TArmRegisterType aRegister )
{
bool ret = false;
//
TArmDataTransferType type = this.DataTransferType;
if ( type == TArmDataTransferType.EStore )
{
// STR <Rd>, [<Rn>, <Rm>]
// Rd = dest, Rn, Rm are source registers
TArmRegisterType regD = this.Rd;
ret = ( aRegister == regD );
}
else if ( type == TArmDataTransferType.ELoad )
{
// LDR <Rd>, [<Rn>, <Rm>]
// Rd = source, Rn, Rm are destination registers
TArmRegisterType regN = this.Rn;
TArmRegisterType regM = this.Rm;
ret = ( aRegister == regN || aRegister == regM );
}
//
return ret;
}
#endregion
#region Framework API
public override TArmDataTransferType DataTransferType
{
get
{
TArmDataTransferType ret = (TArmDataTransferType) base.AIRawValue[ 11 ];
return ret;
}
}
public override TArmRegisterType Rd
{
get
{
TArmRegisterType ret = (TArmRegisterType) Thumb_LoadOrStore.KBits2To0.Apply( base.AIRawValue );
return ret;
}
}
public TArmRegisterType Rn
{
get
{
TArmRegisterType ret = (TArmRegisterType) Thumb_LoadOrStore.KBits5To3.Apply( base.AIRawValue );
return ret;
}
}
public TArmRegisterType Rm
{
get
{
TArmRegisterType ret = (TArmRegisterType) KMaskRm.Apply( base.AIRawValue );
return ret;
}
}
#endregion
#region Properties
#endregion
#region Internal methods
#endregion
#region Data members
private static readonly SymMask KMaskRm = new SymMask( 0x1C0, SymMask.TShiftDirection.ERight, 6 );
#endregion
}
}