--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/crashanalysercmd/PerfToolsSharedLibraries/Engine/SymbianETMLib/Common/State/Base/ETMDecodeState.cs	Thu Feb 11 15:50:58 2010 +0200
@@ -0,0 +1,140 @@
+/*
+* 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.Tracer;
+using SymbianUtils.BasicTypes;
+using SymbianStructuresLib.Arm;
+using SymbianStructuresLib.Arm.Exceptions;
+using SymbianETMLib.Common.Types;
+
+namespace SymbianETMLib.Common.State
+{
+    public abstract class ETMDecodeState : ITracer
+    {
+        #region Constructors
+        protected ETMDecodeState( ETMStateData aStateData )
+        {
+            iStateData = aStateData;
+        }
+        #endregion
+
+        #region API
+        public virtual ETMDecodeState PrepareToHandleByte( SymByte aByte )
+        {
+            iCurrentRawByte = aByte;
+            //
+            ETMDecodeState ret = HandleByte( aByte );
+            return ret;
+        }
+
+        public abstract ETMDecodeState HandleByte( SymByte aByte );
+
+        public static string MakeInstructionSetPrefix( TArmInstructionSet aInstructionSet )
+        {
+            string instSet;
+            switch ( aInstructionSet )
+            {
+            default:
+            case TArmInstructionSet.EARM:
+                instSet = "[A]";
+                break;
+            case TArmInstructionSet.ETHUMB:
+                instSet = "[T]";
+                break;
+            case TArmInstructionSet.EJAZELLE:
+                instSet = "[J]";
+                break;
+            }
+            return instSet;
+        }
+        #endregion
+
+        #region Properties
+        public byte CurrentRawByte
+        {
+            get { return iCurrentRawByte; }
+        }
+
+        public string Binary
+        {
+            get
+            {
+                StringBuilder ret = new StringBuilder();
+                ret.Append( Convert.ToString( CurrentRawByte, 2 ).PadLeft( 8, '0' ) );
+                return ret.ToString();
+            }
+        }
+
+        protected ETMStateData StateData
+        {
+            get { return iStateData; }
+        }
+        #endregion
+
+        #region Internal methods
+        protected StringBuilder MakeTracePacketPrefix( string aPacketName )
+        {
+            StringBuilder ret = new StringBuilder();
+            ret.AppendFormat( " {0} [PKT] {1}", MakeInstructionSetPrefix( StateData.CurrentInstructionSet ), aPacketName.ToUpper().PadRight( 16, ' ' ) );
+            return ret;
+        }
+
+        protected virtual void DbgTrace( string aPrefix, string aPostfix )
+        {
+            StringBuilder trace = MakeTracePacketPrefix( aPrefix );
+            trace.AppendFormat( " - 0x{0:x8} [{1:d2}] {2} {3} {4}{5}",
+                StateData.CurrentAddress,
+                StateData.LastBranch.KnownBits,
+                StateData.CurrentAddress.AddressBinary,
+                StateData.LastBranch.IsKnown ? StateData.Engine.LookUpSymbol( StateData.CurrentAddress ) : string.Empty,
+                aPostfix,
+                System.Environment.NewLine
+              );
+            //
+            Trace( trace.ToString() );
+        }
+
+        protected virtual void DbgTrace( string aPrefix )
+        {
+            DbgTrace( aPrefix, string.Empty );
+        }
+        #endregion
+
+        #region From System.Object
+        #endregion
+
+        #region From ITracer
+        public void Trace( string aText )
+        {
+            iStateData.Engine.Trace( aText );
+        }
+
+        public void Trace( string aFormat, params object[] aParams )
+        {
+            iStateData.Engine.Trace( aFormat, aParams );
+        }
+        #endregion
+
+        #region Data members
+        private readonly ETMStateData iStateData;
+        private byte iCurrentRawByte = 0;
+        #endregion
+    }
+}