crashanalysercmd/PerfToolsSharedLibraries/Engine/SymbolLib/Sources/Map/Engine/MapFileEngineCollection.cs
changeset 0 818e61de6cd1
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/crashanalysercmd/PerfToolsSharedLibraries/Engine/SymbolLib/Sources/Map/Engine/MapFileEngineCollection.cs	Thu Feb 11 15:50:58 2010 +0200
@@ -0,0 +1,361 @@
+/*
+* 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;
+using System.Collections.Generic;
+using SymbianUtils;
+using SymbianUtils.Range;
+using SymbianUtils.Tracer;
+using SymbolLib.CodeSegDef;
+using SymbolLib.Generics;
+using SymbolLib.Engines;
+using SymbolLib.Sources.Map.Symbol;
+using SymbolLib.Sources.Map.File;
+using SymbolLib.Sources.Map.Parser;
+
+namespace SymbolLib.Sources.Map.Engine
+{
+    internal class MapFileEngineCollection : GenericSymbolEngine
+    {
+        #region Delegates & Events
+        public event AsyncReaderBase.Observer Observer;
+        #endregion
+
+        #region Constructors & destructor
+        internal MapFileEngineCollection( ITracer aTracer )
+            : base( aTracer )
+        {
+            iCodeSegResolver = new CodeSegResolver( aTracer );
+            iCodeSegParser = new CodeSegDefinitionParser( iCodeSegResolver );
+        }
+        #endregion
+
+        #region API
+        public static TFileType IsSupported( string aFileName )
+        {
+            TFileType ret = TFileType.EFileNotSupported;
+            //
+            try
+            {
+                using ( StreamReader reader = new StreamReader( aFileName ) )
+                {
+                    const int maxLines = 100;
+                    //
+                    bool foundHeader = false;
+                    bool foundBody = false;
+                    //
+                    int lineCounter = 0;
+                    string line = reader.ReadLine();
+                    while ( line != null && !( foundHeader && foundBody ) && lineCounter < maxLines )
+                    {
+                        if ( line.StartsWith( "ARM Linker, RVCT" ) )
+                        {
+                            foundHeader = true;
+                        }
+                        else if ( line.Contains( "Symbol Name" ) && line.Contains( "Value" ) && line.Contains( "Object" ) && line.Contains( "Section" ) )
+                        {
+                            foundBody = true;
+                        }
+
+                        line = reader.ReadLine();
+                        ++lineCounter;
+                    }
+                    //
+                    if ( foundBody && foundHeader )
+                    {
+                        ret = TFileType.EFileMap;
+                    }
+                }
+            }
+            catch ( Exception )
+            {
+            }
+            //
+            return ret;
+        }
+
+        public MapFileEngine LoadFromFile( string aMapFileName, TSynchronicity aSynchronicity )
+        {
+            // Check if already exists
+            MapFileEngine engine = null;
+            //
+            lock ( this )
+            {
+                engine = FindByMapFileName( aMapFileName );
+                if ( engine != null )
+                {
+                    iFiles.Remove( engine );
+                }
+
+                engine = new MapFileEngine( this );
+                engine.Observer += new AsyncReaderBase.Observer( MapEngine_ObserverProxy );
+                engine.LoadFromFile( aMapFileName, aSynchronicity );
+                iFiles.Add( engine );
+            }
+
+            return engine;
+        }
+
+        public bool Load( CodeSegDefinition aDefinition, TSynchronicity aSynchronicity )
+        {
+            bool ret = false;
+            //
+            if ( string.IsNullOrEmpty( aDefinition.MapFileName ) || !aDefinition.MapFileExists )
+            {
+            }
+            else
+            {
+                // First pass - try to find map engine that matches the specified
+                // PC file name. 
+                string mapFileName = aDefinition.MapFileName;
+                if ( aDefinition.MapFileExists )
+                {
+                    System.Diagnostics.Debug.WriteLine( "   LOAD {M}: " + aDefinition.ToString() );
+
+                    MapFileEngine engine = FindByMapFileName( mapFileName );
+                    if ( engine != null )
+                    {
+                        engine.Load( aDefinition );
+                        ret = true;
+                    }
+                    else
+                    {
+                        // Map file engine doesn't exist for the specified code segment.
+                        // Can we load it from file?
+                        engine = LoadFromFile( aDefinition.MapFileName, aSynchronicity );
+                        if ( engine != null )
+                        {
+                            engine.Load( aDefinition );
+                            ret = true;
+                        }
+                    }
+                }
+            }
+            //
+            return ret;
+        }
+
+        public bool Unload( CodeSegDefinition aDefinition )
+        {
+            bool ret = false;
+            //
+            foreach ( MapFileEngine engine in iFiles )
+            {
+                if ( engine.Unload( aDefinition ) )
+                {
+                    ret = true;
+                    break;
+                }
+            }
+            //
+            return ret;
+        }
+
+        public void UnloadAll()
+        {
+            foreach ( MapFileEngine engine in iFiles )
+            {
+                engine.UnloadAll();
+            }
+        }
+
+        public bool IsLoaded( CodeSegDefinition aDefinition )
+        {
+            bool ret = false;
+            //
+            foreach ( MapFileEngine engine in iFiles )
+            {
+                if ( engine.IsLoaded( aDefinition ) )
+                {
+                    ret = true;
+                    break;
+                }
+            }
+            //
+            return ret;
+        }
+
+        public string MapFileName( int aIndex )
+        {
+            return iFiles[ aIndex ].MapFileName;
+        }
+        #endregion
+
+        #region Properties
+        public int MapFileCount
+        {
+            get { return iFiles.Count; }
+        }
+
+        public CodeSegResolver CodeSegResolver
+        {
+            get { return iCodeSegResolver; }
+        }
+
+        public CodeSegDefinitionParser CodeSegParser
+        {
+            get { return iCodeSegParser; }
+        }
+
+        public GenericSymbolEngine MapFileEngineAt( int aIndex )
+        {
+            return iFiles[ aIndex ];
+        }
+
+        public string[] BinaryFileNames
+        {
+            get
+            {
+                List<string> fileNames = new List<string>( iFiles.Count );
+                //
+                foreach ( MapFileEngine engine in iFiles )
+                {
+                    // Map files only contain symbols for one binary
+                    fileNames.Add( engine[ 0 ].HostBinaryFileName );
+                }
+                //
+                return fileNames.ToArray();
+            }
+        }
+
+        public string[] MapFileNames
+        {
+            get
+            {
+                List<string> fileNames = new List<string>( iFiles.Count );
+                //
+                foreach ( MapFileEngine engine in iFiles )
+                {
+                    fileNames.Add( engine.MapFileName );
+                }
+                //
+                return fileNames.ToArray();
+            }
+        }
+        #endregion
+
+        #region From GenericSymbolEngine
+        public override void Reset()
+        {
+            iFiles.Clear();
+            iCodeSegResolver.Clear();
+        }
+
+        public override bool IsLoaded( string aFileName )
+        {
+            MapFileEngine engine = FindByMapFileName( aFileName );
+            return engine != null;
+        }
+
+        public override bool IsReady
+        {
+            get
+            {
+                int readyCount = 0;
+                //
+                foreach ( MapFileEngine engine in iFiles )
+                {
+                    if ( engine.IsReady )
+                    {
+                        ++readyCount;
+                    }
+                }
+                //
+                return ( readyCount == iFiles.Count );
+            }
+        }
+
+        public override GenericSymbolCollection this[ int aIndex ]
+        {
+            get
+            {
+                // Map files contain only a single symbol collection;
+                GenericSymbolCollection ret = iFiles[ aIndex ][ 0 ];
+                return ret;
+            }
+        }
+
+        public override AddressRange Range
+        {
+            get
+            {
+                AddressRange ret = new AddressRange();
+                //
+                foreach ( MapFileEngine engine in iFiles )
+                {
+                    ret.Update( engine.Range );
+                }
+                //
+                return ret;
+            }
+        }
+
+        internal override void UnloadUntagged()
+        {
+        }
+        #endregion
+
+        #region From IGenericSymbolCollectionStatisticsInterface
+        public override int NumberOfCollections
+        {
+            get
+            {
+                // Map files contain only a single symbol collection
+                int count = iFiles.Count;
+                return count;
+            }
+        }
+        #endregion
+
+        #region Event handlers
+        private void MapEngine_ObserverProxy( SymbianUtils.AsyncReaderBase.TEvent aEvent, SymbianUtils.AsyncReaderBase aSender )
+        {
+            if ( Observer != null )
+            {
+                Observer( aEvent, aSender );
+            }
+        }
+        #endregion
+
+        #region Internal methods
+        private MapFileEngine FindByMapFileName( string aFileName )
+        {
+            MapFileEngine ret = null;
+            //
+            foreach ( MapFileEngine engine in iFiles )
+            {
+                if ( engine.MapFileName.ToLower() == aFileName.ToLower() )
+                {
+                    ret = engine;
+                    break;
+                }
+            }
+            //
+            return ret;
+        }
+        #endregion
+
+        #region Data members
+        private readonly CodeSegResolver iCodeSegResolver;
+        private readonly CodeSegDefinitionParser iCodeSegParser;
+        private List<MapFileEngine> iFiles = new List<MapFileEngine>();
+        #endregion
+    }
+}