diff -r 000000000000 -r 818e61de6cd1 crashanalysercmd/PerfToolsSharedLibraries/Engine/SymbianETMLib/ETB/StackRecon/ETBStackReconManager.cs
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/crashanalysercmd/PerfToolsSharedLibraries/Engine/SymbianETMLib/ETB/StackRecon/ETBStackReconManager.cs	Thu Feb 11 15:50:58 2010 +0200
@@ -0,0 +1,83 @@
+/*
+* 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 SymbianETMLib.Common.Engine;
+using SymbianETMLib.Common.Types;
+using SymbianStructuresLib.Arm;
+using SymbianStructuresLib.Arm.Exceptions;
+
+namespace SymbianETMLib.ETB.StackRecon
+{
+    public class ETBStackReconManager
+    {
+        #region Constructors
+        public ETBStackReconManager( ETEngineBase aEngine )
+        {
+            iEngine = aEngine;
+            iEngine.Branch += new ETEngineBase.BranchHandler( ETB_Branch );
+            iEngine.ContextSwitch += new ETEngineBase.ContextSwitchHandler( ETB_ContextSwitch );
+
+            // Make the initial "unknown" context id stack.
+            SwitchContext( 0 );
+        }
+        #endregion
+
+        #region API
+        #endregion
+
+        #region Properties
+        #endregion
+
+        #region Event handlers
+        private void ETB_ContextSwitch( uint aContextId, string aThreadName )
+        {
+            // Make sure we're using the new current stack
+            SwitchContext( aContextId );
+        }
+
+        private void ETB_Branch( ETMBranch aBranch )
+        {
+            if ( iCurrentStack != null )
+            {
+                iCurrentStack.HandleBranch( aBranch );
+            }
+        }
+        #endregion
+
+        #region Internal methods
+        private void SwitchContext( uint aId )
+        {
+            if ( !iStacks.ContainsKey( aId ) )
+            {
+                ETBStack stack = new ETBStack( iEngine, aId );
+                iStacks.Add( aId, stack );
+            }
+            //
+            iCurrentStack = iStacks[ aId ];
+        }
+        #endregion
+
+        #region Data members
+        private readonly ETEngineBase iEngine;
+        private ETBStack iCurrentStack = null;
+        private Dictionary<uint, ETBStack> iStacks = new Dictionary<uint, ETBStack>();
+        #endregion
+    }
+}