crashanalysercmd/PerfToolsSharedLibraries/Engine/SymbolLib/Sources/Map/File/MapFile.cs
changeset 0 818e61de6cd1
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/crashanalysercmd/PerfToolsSharedLibraries/Engine/SymbolLib/Sources/Map/File/MapFile.cs	Thu Feb 11 15:50:58 2010 +0200
@@ -0,0 +1,238 @@
+/*
+* 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.Text;
+using System.Collections;
+using System.Collections.Generic;
+using SymbolLib.CodeSegDef;
+using SymbolLib.Generics;
+using SymbolLib.Sources.Map.Symbol;
+using SymbianUtils.Range;
+
+namespace SymbolLib.Sources.Map.File
+{
+	internal class MapFile : GenericSymbolCollection
+    {
+        #region Static constructors
+        public static MapFile NewByHostMapFileName( string aMapFileNameAndPath )
+        {
+            // The specified file should end in .map
+            System.Diagnostics.Debug.Assert( aMapFileNameAndPath.ToUpper().EndsWith( ".MAP" ) );
+
+            // Get rid of map file extension.
+            string binaryFileName = aMapFileNameAndPath.Substring( 0, aMapFileNameAndPath.Length - 4 );
+            MapFile ret = new MapFile( binaryFileName, aMapFileNameAndPath );
+            return ret;
+        }
+
+        #endregion
+
+        #region Constructors
+        private MapFile( string aHostBinaryName, string aHostMapFileName )
+            : base( aHostBinaryName )
+        {
+            base.SourceFile = aHostMapFileName;
+
+            // Make the dummy entry in case we obtain no further symbols
+            MapSymbol dummy = MapSymbol.NewUnknown( this );
+            iEntries.Add( dummy );
+        }
+        #endregion
+
+        #region API
+        public void EnsureAllEntriesHaveSize()
+        {
+            int count = Count;
+
+#if DEBUG
+            // Debug support
+            int x = 0;
+            if ( x != 0 )
+            {
+                string line = string.Empty;
+                for ( int i = 0; i < count; i++ )
+                {
+                    GenericSymbol entry = iEntries[ i ];
+                    line = i.ToString( "d8" ) + "   [" + entry.Address.ToString( "x8" ) + "-" + entry.EndAddress.ToString( "x8" ) + "] " + entry.Symbol.ToString();
+                    System.Diagnostics.Debug.WriteLine( line );
+                }
+            }
+#endif
+
+            // Now go through the entries and update their sizes (if they don't have one)
+            for ( int i = 1; i < count; i++ )
+            {
+                GenericSymbol entry = iEntries[ i ];
+                GenericSymbol previousEntry = iEntries[ i - 1 ];
+                //
+                if  ( previousEntry.Size == 0 )
+                {
+                    long calculatedPreviousEntrySize = ( entry.Address - previousEntry.Address ) - 1;
+                    if ( calculatedPreviousEntrySize > 0 )
+                    {
+                        previousEntry.Size = calculatedPreviousEntrySize;
+                    }
+                }
+            }
+        }
+
+        public void Fixup( CodeSegDefinition aDefinition )
+        {
+            // Work out base address offset based upon global address and code segment 
+            // placement address.
+            uint baseAddress = aDefinition.AddressStart;
+            BaseAddress = baseAddress;
+            iFixedUpRange = aDefinition.AddressRange;
+
+            base.RebuildAddressRange();
+        }
+        #endregion
+
+        #region Properties
+        public override AddressRange AddressRange
+        {
+            get { return iFixedUpRange; } 
+        }
+
+        internal uint GlobalBaseAddress
+        {
+            get { return iGlobalBaseAddress; }
+            set
+            {
+                iGlobalBaseAddress = value;
+            }
+        }
+		#endregion
+
+        #region From GenericSymbolCollection
+        public override void Add( GenericSymbolEngine aEngine, GenericSymbol aSymbol )
+        {
+            // We don't take data symbols, just code
+            MapSymbol symbol = (MapSymbol) aSymbol;
+            MapSymbol.TType type = symbol.Type;
+
+            if ( type == MapSymbol.TType.EThumbCode || type == MapSymbol.TType.EARMCode )
+            {
+                // Don't take code entries with no size
+                if ( aSymbol.Size > 0 )
+                {
+                    // Make sure we remove the null symbol if this is the first 'valid' symbol for
+                    // the collection.
+                    if ( Count == 1 && this[ 0 ].IsUnknownSymbol )
+                    {
+                        RemoveAt( 0 );
+                    }
+
+                    iEntries.Add( aSymbol );
+                }
+                else
+                {
+#if TRACE
+                    System.Diagnostics.Debug.WriteLine( "Discarding zero size entry: " + aSymbol.ToString() );
+#endif
+                }
+            }
+        }
+
+		public override void Remove( GenericSymbol aSymbol )
+		{
+			iEntries.Remove( aSymbol );
+		}
+
+		public override void RemoveAt( int aIndex )
+		{
+			iEntries.RemoveAt( aIndex );
+		}
+
+        public override void Sort()
+        {
+            iEntries.Sort( new GenericSymbolComparer() );
+        }
+
+        public override int Count
+        {
+            get { return iEntries.Count; }
+        }
+
+        public override System.Collections.IEnumerator CreateEnumerator()
+        {
+            return new MapFileEnumerator( this );
+        }
+
+        public override System.Collections.Generic.IEnumerator<GenericSymbol> CreateGenericEnumerator()
+        {
+            return new MapFileEnumerator( this );
+        }
+
+        public override GenericSymbol this[ int aIndex ]
+        {
+            get
+            {
+                return iEntries[ aIndex ];
+            }
+        }
+
+        public override long AddressRangeStart
+		{
+            get { return iFixedUpRange.Min; }
+		}
+
+		public override long AddressRangeEnd
+		{
+            get { return iFixedUpRange.Max; }
+        }
+
+        public override GenericSymbol SymbolForAddress( long aAddress )
+        {
+#if DEBUG
+            int x = 0;
+            if ( x > 0 )
+            {
+                base.Dump( aAddress );
+            }
+#endif
+            GenericSymbol ret = null;
+            //
+            foreach ( GenericSymbol symbol in this )
+            {
+                if ( symbol.FallsWithinDomain( aAddress ) )
+                {
+                    ret = symbol;
+                    break;
+                }
+            }
+            //
+            return ret;
+        }		
+        #endregion
+
+        #region From System.Object
+        public override string ToString()
+        {
+            StringBuilder ret = new StringBuilder();
+            ret.Append( iFixedUpRange.ToString() );
+            return ret.ToString();
+        }
+        #endregion
+
+        #region Data members
+        private uint iGlobalBaseAddress = 0;
+        private AddressRange iFixedUpRange = new AddressRange();
+        private List<GenericSymbol> iEntries = new List<GenericSymbol>( 50 );
+		#endregion
+	}
+}