crashanalysercmd/PerfToolsSharedLibraries/Engine/SymbolLib/Sources/Map/File/MapFile.cs
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     1 /*
       
     2 * Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies). 
       
     3 * All rights reserved.
       
     4 * This component and the accompanying materials are made available
       
     5 * under the terms of "Eclipse Public License v1.0"
       
     6 * which accompanies this distribution, and is available
       
     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".
       
     8 *
       
     9 * Initial Contributors:
       
    10 * Nokia Corporation - initial contribution.
       
    11 *
       
    12 * Contributors:
       
    13 * 
       
    14 * Description:
       
    15 *
       
    16 */
       
    17 using System;
       
    18 using System.Text;
       
    19 using System.Collections;
       
    20 using System.Collections.Generic;
       
    21 using SymbolLib.CodeSegDef;
       
    22 using SymbolLib.Generics;
       
    23 using SymbolLib.Sources.Map.Symbol;
       
    24 using SymbianUtils.Range;
       
    25 
       
    26 namespace SymbolLib.Sources.Map.File
       
    27 {
       
    28 	internal class MapFile : GenericSymbolCollection
       
    29     {
       
    30         #region Static constructors
       
    31         public static MapFile NewByHostMapFileName( string aMapFileNameAndPath )
       
    32         {
       
    33             // The specified file should end in .map
       
    34             System.Diagnostics.Debug.Assert( aMapFileNameAndPath.ToUpper().EndsWith( ".MAP" ) );
       
    35 
       
    36             // Get rid of map file extension.
       
    37             string binaryFileName = aMapFileNameAndPath.Substring( 0, aMapFileNameAndPath.Length - 4 );
       
    38             MapFile ret = new MapFile( binaryFileName, aMapFileNameAndPath );
       
    39             return ret;
       
    40         }
       
    41 
       
    42         #endregion
       
    43 
       
    44         #region Constructors
       
    45         private MapFile( string aHostBinaryName, string aHostMapFileName )
       
    46             : base( aHostBinaryName )
       
    47         {
       
    48             base.SourceFile = aHostMapFileName;
       
    49 
       
    50             // Make the dummy entry in case we obtain no further symbols
       
    51             MapSymbol dummy = MapSymbol.NewUnknown( this );
       
    52             iEntries.Add( dummy );
       
    53         }
       
    54         #endregion
       
    55 
       
    56         #region API
       
    57         public void EnsureAllEntriesHaveSize()
       
    58         {
       
    59             int count = Count;
       
    60 
       
    61 #if DEBUG
       
    62             // Debug support
       
    63             int x = 0;
       
    64             if ( x != 0 )
       
    65             {
       
    66                 string line = string.Empty;
       
    67                 for ( int i = 0; i < count; i++ )
       
    68                 {
       
    69                     GenericSymbol entry = iEntries[ i ];
       
    70                     line = i.ToString( "d8" ) + "   [" + entry.Address.ToString( "x8" ) + "-" + entry.EndAddress.ToString( "x8" ) + "] " + entry.Symbol.ToString();
       
    71                     System.Diagnostics.Debug.WriteLine( line );
       
    72                 }
       
    73             }
       
    74 #endif
       
    75 
       
    76             // Now go through the entries and update their sizes (if they don't have one)
       
    77             for ( int i = 1; i < count; i++ )
       
    78             {
       
    79                 GenericSymbol entry = iEntries[ i ];
       
    80                 GenericSymbol previousEntry = iEntries[ i - 1 ];
       
    81                 //
       
    82                 if  ( previousEntry.Size == 0 )
       
    83                 {
       
    84                     long calculatedPreviousEntrySize = ( entry.Address - previousEntry.Address ) - 1;
       
    85                     if ( calculatedPreviousEntrySize > 0 )
       
    86                     {
       
    87                         previousEntry.Size = calculatedPreviousEntrySize;
       
    88                     }
       
    89                 }
       
    90             }
       
    91         }
       
    92 
       
    93         public void Fixup( CodeSegDefinition aDefinition )
       
    94         {
       
    95             // Work out base address offset based upon global address and code segment 
       
    96             // placement address.
       
    97             uint baseAddress = aDefinition.AddressStart;
       
    98             BaseAddress = baseAddress;
       
    99             iFixedUpRange = aDefinition.AddressRange;
       
   100 
       
   101             base.RebuildAddressRange();
       
   102         }
       
   103         #endregion
       
   104 
       
   105         #region Properties
       
   106         public override AddressRange AddressRange
       
   107         {
       
   108             get { return iFixedUpRange; } 
       
   109         }
       
   110 
       
   111         internal uint GlobalBaseAddress
       
   112         {
       
   113             get { return iGlobalBaseAddress; }
       
   114             set
       
   115             {
       
   116                 iGlobalBaseAddress = value;
       
   117             }
       
   118         }
       
   119 		#endregion
       
   120 
       
   121         #region From GenericSymbolCollection
       
   122         public override void Add( GenericSymbolEngine aEngine, GenericSymbol aSymbol )
       
   123         {
       
   124             // We don't take data symbols, just code
       
   125             MapSymbol symbol = (MapSymbol) aSymbol;
       
   126             MapSymbol.TType type = symbol.Type;
       
   127 
       
   128             if ( type == MapSymbol.TType.EThumbCode || type == MapSymbol.TType.EARMCode )
       
   129             {
       
   130                 // Don't take code entries with no size
       
   131                 if ( aSymbol.Size > 0 )
       
   132                 {
       
   133                     // Make sure we remove the null symbol if this is the first 'valid' symbol for
       
   134                     // the collection.
       
   135                     if ( Count == 1 && this[ 0 ].IsUnknownSymbol )
       
   136                     {
       
   137                         RemoveAt( 0 );
       
   138                     }
       
   139 
       
   140                     iEntries.Add( aSymbol );
       
   141                 }
       
   142                 else
       
   143                 {
       
   144 #if TRACE
       
   145                     System.Diagnostics.Debug.WriteLine( "Discarding zero size entry: " + aSymbol.ToString() );
       
   146 #endif
       
   147                 }
       
   148             }
       
   149         }
       
   150 
       
   151 		public override void Remove( GenericSymbol aSymbol )
       
   152 		{
       
   153 			iEntries.Remove( aSymbol );
       
   154 		}
       
   155 
       
   156 		public override void RemoveAt( int aIndex )
       
   157 		{
       
   158 			iEntries.RemoveAt( aIndex );
       
   159 		}
       
   160 
       
   161         public override void Sort()
       
   162         {
       
   163             iEntries.Sort( new GenericSymbolComparer() );
       
   164         }
       
   165 
       
   166         public override int Count
       
   167         {
       
   168             get { return iEntries.Count; }
       
   169         }
       
   170 
       
   171         public override System.Collections.IEnumerator CreateEnumerator()
       
   172         {
       
   173             return new MapFileEnumerator( this );
       
   174         }
       
   175 
       
   176         public override System.Collections.Generic.IEnumerator<GenericSymbol> CreateGenericEnumerator()
       
   177         {
       
   178             return new MapFileEnumerator( this );
       
   179         }
       
   180 
       
   181         public override GenericSymbol this[ int aIndex ]
       
   182         {
       
   183             get
       
   184             {
       
   185                 return iEntries[ aIndex ];
       
   186             }
       
   187         }
       
   188 
       
   189         public override long AddressRangeStart
       
   190 		{
       
   191             get { return iFixedUpRange.Min; }
       
   192 		}
       
   193 
       
   194 		public override long AddressRangeEnd
       
   195 		{
       
   196             get { return iFixedUpRange.Max; }
       
   197         }
       
   198 
       
   199         public override GenericSymbol SymbolForAddress( long aAddress )
       
   200         {
       
   201 #if DEBUG
       
   202             int x = 0;
       
   203             if ( x > 0 )
       
   204             {
       
   205                 base.Dump( aAddress );
       
   206             }
       
   207 #endif
       
   208             GenericSymbol ret = null;
       
   209             //
       
   210             foreach ( GenericSymbol symbol in this )
       
   211             {
       
   212                 if ( symbol.FallsWithinDomain( aAddress ) )
       
   213                 {
       
   214                     ret = symbol;
       
   215                     break;
       
   216                 }
       
   217             }
       
   218             //
       
   219             return ret;
       
   220         }		
       
   221         #endregion
       
   222 
       
   223         #region From System.Object
       
   224         public override string ToString()
       
   225         {
       
   226             StringBuilder ret = new StringBuilder();
       
   227             ret.Append( iFixedUpRange.ToString() );
       
   228             return ret.ToString();
       
   229         }
       
   230         #endregion
       
   231 
       
   232         #region Data members
       
   233         private uint iGlobalBaseAddress = 0;
       
   234         private AddressRange iFixedUpRange = new AddressRange();
       
   235         private List<GenericSymbol> iEntries = new List<GenericSymbol>( 50 );
       
   236 		#endregion
       
   237 	}
       
   238 }