--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/crashanalysercmd/PerfToolsSharedLibraries/Engine/SymbianInstructionLib/Arm/Instructions/Thumb/DataTransfer/Thumb_PushOrPop.cs	Thu Feb 11 15:50:58 2010 +0200
@@ -0,0 +1,104 @@
+/*
+* 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( "A7.1.50 PUSH", "PUSH <registers>" )]
+    [ArmRef( "A7.1.49 POP",  "POP  <registers>" )]
+    public class Thumb_PushOrPop : Thumb_LoadOrStoreMultiple
+    {
+        #region Constructors
+        public Thumb_PushOrPop()
+        {
+            //                     Type          R     register_list
+            base.SetMask( "1011" + "#" + "10" + "#"    + "########" );
+            base.AIGroup = SymbianStructuresLib.Arm.Instructions.TArmInstructionGroup.EGroupDataTransfer;
+        }
+        #endregion
+
+        #region From Thumb_LoadOrStore
+        public override TArmRegisterType Rd
+        {
+            get { return TArmRegisterType.EArmReg_SP; }
+        }
+        #endregion
+
+        #region Properties
+        public override TArmDataTransferType DataTransferType
+        {
+            get
+            {
+                TArmDataTransferType ret = (TArmDataTransferType) base.AIRawValue[ 11 ];
+                return ret;
+            }
+        }
+
+        protected override List<TArmRegisterType> RegistersAsList
+        {
+            get
+            {
+                List<TArmRegisterType> regs = new List<TArmRegisterType>();
+
+                // Bit 8 represents LR or PC, depending on whether it's a PUSH or POP.
+                //
+                // PUSH = R bit is set if LR is to be included
+                // POP  = R bit is set if PC is to be included
+                SymBit rBit = base.AIRawValue[ 8 ];
+                if ( rBit == SymBit.ESet )
+                {
+                    if ( DataTransferType == TArmDataTransferType.ELoad )
+                    {
+                        regs.Add( TArmRegisterType.EArmReg_PC );
+                    }
+                    else if ( DataTransferType == TArmDataTransferType.EStore )
+                    {
+                        regs.Add( TArmRegisterType.EArmReg_LR );
+                    }
+                }
+
+                // Bits 7-0 represent R7 -> R0.
+                uint value = base.AIRawValue & 0xFF;
+                for ( int i = 7; i >= 0; i-- )
+                {
+                    uint mask = (uint) ( 1 << i );
+                    if ( ( mask & value ) == mask )
+                    {
+                        TArmRegisterType reg = (TArmRegisterType) i;
+                        regs.Add( reg );
+                    }
+                }
+                //
+                return regs;
+            }
+        }
+        #endregion
+
+        #region Internal methods
+        #endregion
+
+        #region Data members
+        #endregion
+    }
+}
+