diff -r 000000000000 -r 818e61de6cd1 crashanalysercmd/PerfToolsSharedLibraries/Engine/SymbolLib/Generic/Engine/GenericSymbolEngine.cs
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/crashanalysercmd/PerfToolsSharedLibraries/Engine/SymbolLib/Generic/Engine/GenericSymbolEngine.cs	Thu Feb 11 15:50:58 2010 +0200
@@ -0,0 +1,244 @@
+/*
+* 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.IO;
+using System.Text;
+using System.Threading;
+using System.Collections.Generic;
+using SymbianUtils;
+using SymbianUtils.Range;
+using SymbianUtils.Tracer;
+
+namespace SymbolLib.Generics
+{
+    public abstract class GenericSymbolEngine : IGenericSymbolCollectionLookupInterface, IGenericSymbolCollectionStatisticsInterface, IEnumerable<GenericSymbolCollection>, ITracer
+    {
+        #region Constructors
+        protected internal GenericSymbolEngine( ITracer aTracer )
+        {
+            iTracer = aTracer;
+        }
+        #endregion
+
+        #region Framework API
+        public virtual void ClearTags()
+        {
+            lock ( this )
+            {
+                foreach ( GenericSymbolCollection collection in this )
+                {
+                    collection.ClearTag();
+                }
+            }
+        }
+
+        public virtual void SaveTaggedCollections( string aFileName )
+        {
+            using ( StreamWriter writer = new StreamWriter( aFileName, false ) )
+            {
+                lock ( this )
+                {
+                    foreach ( GenericSymbolCollection collection in this )
+                    {
+                        if ( collection.Tagged )
+                        {
+                            collection.WriteToStream( writer );
+                        }
+                    }
+                }
+            }
+        }
+
+        public abstract void Reset();
+
+        public abstract bool IsReady { get; }
+
+        public abstract bool IsLoaded( string aFileName );
+
+        public abstract GenericSymbolCollection this[ int aIndex ]
+        {
+            get;
+        }
+
+        public abstract AddressRange Range { get; }
+
+        internal abstract void UnloadUntagged();
+        #endregion
+
+        #region From IEnumerable<GenericSymbolCollection>
+        IEnumerator<GenericSymbolCollection> IEnumerable<GenericSymbolCollection>.GetEnumerator()
+        {
+            return new GenericSymbolEngineEnumerator( this );
+        }
+
+        System.Collections.IEnumerator System.Collections.IEnumerable.GetEnumerator()
+        {
+            return new GenericSymbolEngineEnumerator( this );
+        }
+        #endregion
+
+        #region From IGenericSymbolCollectionStatisticsInterface
+        public int NumberOfEntries
+        {
+            get
+            {
+                int count = 0;
+                //
+                lock ( this )
+                {
+                    foreach ( GenericSymbolCollection collection in this )
+                    {
+                        count += collection.Count;
+                    }
+                }
+                // 
+                return count;
+            }
+        }
+
+        public abstract int NumberOfCollections
+        {
+            get;
+        }
+        #endregion
+
+        #region From IGenericSymbolCollectionLookupInterface
+        public GenericSymbolCollection[] CollectionsByHostBinarySearch( string aFileName )
+        {
+            string searchingFor = aFileName.ToUpper();
+            //
+            List<GenericSymbolCollection> ret = new List<GenericSymbolCollection>();
+            //
+            lock ( this )
+            {
+                for( int i=NumberOfCollections - 1; i>=0; i-- )
+                {
+                    GenericSymbolCollection collection = this[ i ];
+                    string hostBinName = collection.HostBinaryFileName.ToUpper();
+                    //
+                    if ( hostBinName.Contains( searchingFor ) )
+                    {
+                        ret.Add( collection );
+                    }
+                }
+            }
+            //
+            return ret.ToArray();
+        }
+        
+        public GenericSymbol EntryByAddress( long aAddress )
+        {
+            GenericSymbolCollection notUsed = null;
+            return EntryByAddress( aAddress, ref notUsed );
+        }
+
+        public GenericSymbol EntryByAddress( long aAddress, ref GenericSymbolCollection aCollection )
+        {
+            GenericSymbol symbol = null;
+            aCollection = null;
+            //
+            lock ( this )
+            {
+                // Debugging code
+                int debug = 0;
+                if ( debug != 0 )
+                {
+                    int count = NumberOfCollections;
+                    for ( int i = 0; i < count; i++ )
+                    {
+                        GenericSymbolCollection collection = this[ i ];
+                        string line = string.Empty;
+                        if ( collection.AddressFallsWithinRange( aAddress ) )
+                        {
+                            line = i.ToString( "d8" ) + " * [" + collection.AddressRangeStart.ToString( "x8" ) + " - " + collection.AddressRangeEnd.ToString( "x8" ) + "] " + " [" + ( collection.HostBinaryExists ? "Exists] " : "Notfnd] " ) + collection.HostBinaryFileName;
+                        }
+                        else
+                        {
+                            line = i.ToString( "d8" ) + "   [" + collection.AddressRangeStart.ToString( "x8" ) + " - " + collection.AddressRangeEnd.ToString( "x8" ) + "] " + " [" + ( collection.HostBinaryExists ? "Exists] " : "Notfnd] " ) + collection.HostBinaryFileName;
+                        }
+                        System.Diagnostics.Debug.WriteLine( line );
+                    }
+                }
+
+                // Production search code
+                if ( Range.Contains( aAddress ) )
+                {
+                    // Search for a suitable symbol entry that matches aAddress
+                    int count = NumberOfCollections;
+                    for ( int i = 0; i < count; i++ )
+                    {
+                        GenericSymbolCollection collection = this[ i ];
+                        if ( collection.AddressFallsWithinRange( aAddress ) )
+                        {
+                            // Should be able to locate a symbol within this collection...
+                            symbol = collection.SymbolForAddress( aAddress );
+
+                            aCollection = collection;
+                            aCollection.Tagged = true;
+                            break;
+                        }
+                    }
+                }
+            }
+            //
+            return symbol;
+        }
+
+        public GenericSymbolCollection CollectionByAddress( long aAddress )
+        {
+            GenericSymbolCollection ret = null;
+
+            lock ( this )
+            {
+                // Search for a suitable symbol entry that matches aAddress
+                int count = NumberOfCollections;
+                for ( int i = 0; i < count; i++ )
+                {
+                    GenericSymbolCollection collection = this[ i ];
+                    if ( collection.AddressFallsWithinRange( aAddress ) )
+                    {
+                        ret = collection;
+                        ret.Tagged = true;
+                        break;
+                    }
+                }
+            }
+            //
+            return ret;
+        }
+        #endregion
+
+        #region ITracer Members
+        public void Trace( string aMessage )
+        {
+            if ( iTracer != null )
+            {
+                iTracer.Trace( aMessage );
+            }
+        }
+
+        public void Trace( string aFormat, params object[] aParams )
+        {
+            Trace( string.Format( aFormat, aParams ) );
+        }
+        #endregion
+
+        #region Data members
+        private readonly ITracer iTracer;
+        #endregion
+    }
+}