crashanalysercmd/PerfToolsSharedLibraries/Engine/SymbianInstructionLib/Arm/Instructions/Thumb/DataProcessing/Thumb_Add_SPOrPC.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.DataProcessing
{
[ArmRef( "A7.1.7 ADD (5)", "ADD <Rd>, PC, #<immed_8> * 4" )]
[ArmRef( "A7.1.8 ADD (6)", "ADD <Rd>, SP, #<immed_8> * 4" )]
public class Thumb_Add_SPOrPC : Thumb_AddOrSubtract
{
#region Constructors
public Thumb_Add_SPOrPC()
{
// Type Rd immed_8
base.SetMask( "1010" + "#" + "###" + "########" );
}
#endregion
#region From ArmBaseInstruction
protected override bool DoQueryInvolvementAsSource( TArmRegisterType aRegister )
{
// SP or PC acts as source
TArmRegisterType reg = this.RelativeRegister;
return ( aRegister == reg );
}
#endregion
#region From Thumb_AddOrSubtract
public override TArmRegisterType Rd
{
get
{
TArmRegisterType ret = (TArmRegisterType) KMaskRd.Apply( base.AIRawValue );
return ret;
}
}
public TArmRegisterType RelativeRegister
{
get
{
SymBit bit11 = base.AIRawValue[ 11 ];
TArmRegisterType ret = TArmRegisterType.EArmReg_PC;
if ( bit11 == SymBit.ESet )
{
ret = TArmRegisterType.EArmReg_SP;
}
return ret;
}
}
public override TArmDataProcessingType OperationType
{
get { return TArmDataProcessingType.ADD; }
}
public override uint Immediate
{
get
{
uint rawValue = ( base.AIRawValue & 0xFF );
uint ret = rawValue * 4;
return ret;
}
}
public override bool SuppliesImmediate
{
get { return true; }
}
#endregion
#region Properties
#endregion
#region Internal methods
#endregion
#region Data members
private static readonly SymMask KMaskRd = new SymMask( 0x700, SymMask.TShiftDirection.ERight, 8 );
#endregion
}
}