crashanalysercmd/PerfToolsSharedLibraries/Engine/SymbolLib/Sources/Map/File/MapFile.cs
/*
* 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
}
}