crashanalysercmd/PerfToolsSharedLibraries/Engine/SymbianETMLib/Common/Engine/ETEngineBase.cs
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/crashanalysercmd/PerfToolsSharedLibraries/Engine/SymbianETMLib/Common/Engine/ETEngineBase.cs Thu Feb 11 15:50:58 2010 +0200
@@ -0,0 +1,239 @@
+/*
+* 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.Collections.Generic;
+using System.Text;
+using SymbianUtils.Tracer;
+using SymbianUtils.BasicTypes;
+using SymbianDebugLib.Engine;
+using SymbianDebugLib.PluginAPI.Types;
+using SymbianDebugLib.PluginAPI.Types.Symbol;
+using SymbianDebugLib.PluginAPI.Types.Code;
+using SymbianStructuresLib.Arm;
+using SymbianStructuresLib.Arm.Exceptions;
+using SymbianStructuresLib.Arm.Disassembler;
+using SymbianStructuresLib.Debug.Symbols;
+using SymbianStructuresLib.Debug.Code;
+using SymbianETMLib.Common.Buffer;
+using SymbianETMLib.Common.State;
+using SymbianETMLib.Common.Config;
+using SymbianETMLib.Common.Utilities;
+using SymbianETMLib.Common.Types;
+
+namespace SymbianETMLib.Common.Engine
+{
+ public class ETEngineBase : ITracer
+ {
+ #region Delegates & events
+ public delegate void BranchHandler( ETMBranch aBranch );
+ public event BranchHandler Branch;
+
+ public delegate void ExceptionModeHandler( TArmExceptionType aExceptionMode );
+ public event ExceptionModeHandler Exception;
+
+ public delegate void ContextSwitchHandler( uint aContextId, string aThreadName );
+ public event ContextSwitchHandler ContextSwitch;
+
+ public delegate void SynchronizationHandler( uint aPosition );
+ public event SynchronizationHandler Synchronized;
+ #endregion
+
+ #region Constructors
+ public ETEngineBase( ETBufferBase aBuffer, ETConfigBase aConfig )
+ {
+ iBuffer = aBuffer;
+ iConfig = aConfig;
+ }
+ #endregion
+
+ #region API
+ public void Decode()
+ {
+ int lastBufferCountValue = 0;
+ //
+ ETMStateData stateManager = new ETMStateData( this );
+ while ( !iBuffer.IsEmpty )
+ {
+ byte b = iBuffer.Dequeue();
+ if ( iBuffer.Count != lastBufferCountValue )
+ {
+ Trace( "[0x{0:x4}] byte: 0x{1:x2} {2}",
+ stateManager.PacketNumber,
+ b,
+ Convert.ToString( b, 2 ).PadLeft( 8, '0' )
+ );
+ }
+ //
+ lastBufferCountValue = iBuffer.Count;
+ stateManager.PrepareToHandleByte( b );
+ }
+ }
+
+ internal string LookUpSymbol( uint aAddress )
+ {
+ StringBuilder line = new StringBuilder();
+ //
+ if ( iDebugEngineView != null )
+ {
+ SymbolCollection col = null;
+ Symbol sym = LookUpSymbol( aAddress, out col );
+ //
+ if ( sym != null )
+ {
+ line.AppendFormat( "0x{0:x8} {1} {2}", sym.Address, sym.ToStringOffset( aAddress ), sym.Name );
+ }
+ else if ( col != null )
+ {
+ line.AppendFormat( "Unknown Symbol from \'{0}\'", col.FileName.FileNameInHost );
+ }
+ else
+ {
+ bool isExceptionVector = Config.IsExceptionVector( aAddress );
+ if ( isExceptionVector )
+ {
+ line.Append( "Exception Vector" );
+ }
+ else
+ {
+ line.Append( "????" );
+ }
+ }
+ }
+ //
+ return line.ToString();
+ }
+
+ internal Symbol LookUpSymbol( uint aAddress, out SymbolCollection aCollection )
+ {
+ Symbol ret = null;
+ aCollection = null;
+ //
+ if ( iDebugEngineView != null )
+ {
+ ret = iDebugEngineView.Symbols.Lookup( aAddress, out aCollection );
+ }
+ //
+ return ret;
+ }
+ #endregion
+
+ #region Properties
+ public ETBufferBase Buffer
+ {
+ get { return iBuffer; }
+ }
+
+ public ETConfigBase Config
+ {
+ get { return iConfig; }
+ }
+
+ public DbgEngineView DebugEngineView
+ {
+ get { return iDebugEngineView; }
+ set { iDebugEngineView = value; }
+ }
+ #endregion
+
+ #region Internal event propgation methods
+ internal void OnExceptionModeChange( TArmExceptionType aNewException )
+ {
+ if ( Exception != null )
+ {
+ Exception( aNewException );
+ }
+ }
+
+ internal void OnBranch( uint aAddress, TArmInstructionSet aInstructionSet, TArmExceptionType aExceptionType, TETMBranchType aBranchType )
+ {
+ if ( Branch != null )
+ {
+ ETMBranch branch = new ETMBranch( new SymAddress( aAddress ), iBranchCounter, aBranchType, aInstructionSet, aExceptionType );
+
+ // Try to find a symbol
+ SymbolCollection col = null;
+ Symbol sym = LookUpSymbol( aAddress, out col );
+ //
+ if ( sym != null )
+ {
+ branch.Symbol = sym;
+ }
+ else if ( col != null )
+ {
+ branch.SymbolText = string.Format( "Unknown Symbol from \'{0}\'", col.FileName.FileNameInHost );
+ }
+
+ // Cascade event
+ Branch( branch );
+ }
+
+ ++iBranchCounter;
+ }
+
+ internal void OnContextSwitch( uint aNewContextId )
+ {
+ if ( ContextSwitch != null )
+ {
+ string threadName = iConfig.GetContextID( aNewContextId );
+ ContextSwitch( aNewContextId, threadName );
+ }
+ }
+
+ internal void OnSynchronised( uint aOffset )
+ {
+ if ( Synchronized != null )
+ {
+ Synchronized( aOffset );
+ }
+ }
+ #endregion
+
+ #region From ITracer
+ public void Trace( string aText )
+ {
+ if ( System.Diagnostics.Debugger.IsAttached )
+ {
+ System.Diagnostics.Debug.WriteLine( aText );
+ }
+ if ( iConfig.Verbose )
+ {
+ System.Console.WriteLine( aText );
+ }
+ }
+
+ public void Trace( string aFormat, params object[] aParams )
+ {
+ if ( iConfig.Verbose || System.Diagnostics.Debugger.IsAttached )
+ {
+ string text = string.Format( aFormat, aParams );
+ Trace( text );
+ }
+ }
+ #endregion
+
+ #region From System.Object
+ #endregion
+
+ #region Data members
+ private readonly ETBufferBase iBuffer;
+ private readonly ETConfigBase iConfig;
+ private int iBranchCounter = 0;
+ private DbgEngineView iDebugEngineView;
+ #endregion
+ }
+}