--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/crashanalysercmd/PerfToolsSharedLibraries/Engine/SymbianInstructionLib/Arm/Instructions/Thumb/DataTransfer/Bases/Thumb_LoadOrStore.cs	Thu Feb 11 15:50:58 2010 +0200
@@ -0,0 +1,112 @@
+/*
+* 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_LoadOrStore : ThumbInstruction
+    {
+        #region Constructors
+        protected Thumb_LoadOrStore()
+        {
+            base.AIGroup = SymbianStructuresLib.Arm.Instructions.TArmInstructionGroup.EGroupDataTransfer;
+        }
+        #endregion
+
+        #region From ArmBaseInstruction
+        protected override bool DoQueryInvolvementAsSource( TArmRegisterType aRegister )
+        {
+            bool ret = false;
+            //
+            TArmDataTransferType type = this.DataTransferType;
+            if ( type == TArmDataTransferType.EStore )
+            {
+                // STR <Rd>, [<Rn>, #<immed_5> * 4]
+                // Rd = dest, Rn is source
+                //
+                // Cannot test here, requires derived class to implement this check
+            }
+            else if ( type == TArmDataTransferType.ELoad )
+            {
+                // LDR <Rd>, [<Rn>, #<immed_5> * 4]
+                // LDR <Rd>, [<Rn>, <Rm>]
+                // LDR <Rd>, [PC, #<immed_8> * 4]
+                // LDR <Rd>, [SP, #<immed_8> * 4]
+                TArmRegisterType reg = this.Rd;
+                ret = ( reg == aRegister );
+            }
+            //
+            return ret;
+        }
+
+        protected override bool DoQueryInvolvementAsDestination( TArmRegisterType aRegister )
+        {
+            bool ret = false;
+            //
+            TArmDataTransferType type = this.DataTransferType;
+            if ( type == TArmDataTransferType.EStore )
+            {
+                // STR <Rd>, [<Rn>, #<immed_5> * 4]
+                // Rd = dest, Rn is source
+                TArmRegisterType reg = this.Rd;
+                ret = ( reg == aRegister );
+            }
+            else if ( type == TArmDataTransferType.ELoad )
+            {
+                // LDR <Rd>, [<Rn>, #<immed_5> * 4]
+                // LDR <Rd>, [<Rn>, <Rm>]
+                // LDR <Rd>, [PC, #<immed_8> * 4]
+                // LDR <Rd>, [SP, #<immed_8> * 4]
+                //
+                // Cannot test here, requires derived class to implement this check
+            }
+            //
+            return ret;
+        }
+        #endregion
+
+        #region Framework API
+        public abstract TArmDataTransferType DataTransferType
+        {
+            get;
+        }
+
+        public abstract TArmRegisterType Rd
+        {
+            get;
+        }
+        #endregion
+
+        #region Properties
+        #endregion
+
+        #region Internal methods
+        protected static readonly SymMask KBits2To0 = new SymMask( 0x7 );
+        protected static readonly SymMask KBits5To3 = new SymMask( 0x38 );
+        #endregion
+
+        #region Data members
+        #endregion
+    }
+}
+