crashanalysercmd/PerfToolsSharedLibraries/Engine/SymbianETMLib/Common/Utilities/RVCTDiassemblyTool.cs
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/crashanalysercmd/PerfToolsSharedLibraries/Engine/SymbianETMLib/Common/Utilities/RVCTDiassemblyTool.cs Thu Feb 11 15:50:58 2010 +0200
@@ -0,0 +1,281 @@
+/*
+* 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.Collections.Generic;
+using System.Text;
+using System.Text.RegularExpressions;
+using DecompressETB.Types;
+using SymbianUtils.Range;
+
+namespace DecompressETB.Utilities
+{
+ public class RVCTDiassemblyUtility
+ {
+ #region Constructor
+ public RVCTDiassemblyUtility()
+ {
+ }
+ #endregion
+
+ #region API
+ public string Disassemble( uint aAddress )
+ {
+ string ret = "Unknown instruction";
+ //
+ RVCTFunctionComparer comparer = new RVCTFunctionComparer();
+ RVCTDisassemblyFunction temp = new RVCTDisassemblyFunction( aAddress );
+ int pos = iFunctions.BinarySearch( temp, comparer );
+ if ( pos >= 0 && pos < iFunctions.Count )
+ {
+ temp = iFunctions[ pos ];
+ System.Diagnostics.Debug.Assert( temp.AddressRange.Contains( aAddress ) );
+ //
+ ret = temp[ aAddress ];
+ }
+ //
+ return ret;
+ }
+
+ public void Read( string aFileName, uint aGlobalBaseAddress )
+ {
+ using ( StreamReader reader = new StreamReader( aFileName ) )
+ {
+ RVCTDisassemblyFunction fn = LastFunction;
+ //
+ string line = reader.ReadLine();
+ while ( line != null )
+ {
+ Match m = null;
+ //
+ m = KRegExFunction.Match( line );
+ if ( m.Success )
+ {
+ if ( fn != null )
+ {
+ fn.Finalise();
+
+ // Only save functions that contain disassembly
+ if ( fn.Count > 0 )
+ {
+ iFunctions.Add( fn );
+ }
+ }
+
+ fn = new RVCTDisassemblyFunction( m.Groups[ "Name" ].Value, aGlobalBaseAddress );
+ }
+ else if ( fn != null )
+ {
+ fn.Offer( line );
+ }
+ //
+ line = reader.ReadLine();
+ }
+
+ // Finalise any pending function
+ if ( fn != null )
+ {
+ fn.Finalise();
+ }
+ }
+ }
+ #endregion
+
+ #region Properties
+ private RVCTDisassemblyFunction LastFunction
+ {
+ get
+ {
+ RVCTDisassemblyFunction ret = null;
+ int count = iFunctions.Count;
+ if ( count > 0 )
+ {
+ ret = iFunctions[ count - 1 ];
+ }
+ return ret;
+ }
+ }
+ #endregion
+
+ #region Internal classes
+ class RVCTFunctionComparer : IComparer<RVCTDisassemblyFunction>
+ {
+ public int Compare( RVCTDisassemblyFunction aLeft, RVCTDisassemblyFunction aRight )
+ {
+ int ret = -1;
+ //
+ AddressRange lr = aLeft.AddressRange;
+ AddressRange rr = aRight.AddressRange;
+ //
+ if ( lr.Contains( rr ) || rr.Contains( lr ) )
+ {
+ ret = 0;
+ }
+ else
+ {
+ ret = lr.CompareTo( rr );
+ }
+ //
+ return ret;
+ }
+ }
+ #endregion
+
+ #region Internal constants
+ private static readonly Regex KRegExFunction = new Regex(
+ @"^\s{4}(?<Name>[A-Za-z_0-9]+)$",
+ RegexOptions.Multiline
+ | RegexOptions.CultureInvariant
+ | RegexOptions.IgnorePatternWhitespace
+ | RegexOptions.Compiled
+ );
+ #endregion
+
+ #region Data members
+ private List<RVCTDisassemblyFunction> iFunctions = new List<RVCTDisassemblyFunction>();
+ #endregion
+ }
+
+ internal class RVCTDisassemblyFunction
+ {
+ #region Constructor
+ public RVCTDisassemblyFunction( string aName, uint aBaseAddress )
+ {
+ iName = aName;
+ iBaseAddress = aBaseAddress;
+ }
+
+ public RVCTDisassemblyFunction( uint aAddress )
+ {
+ iName = string.Empty;
+ iBaseAddress = aAddress;
+ iAddressRange = new AddressRange( aAddress, aAddress );
+ }
+ #endregion
+
+ #region API
+ internal void Finalise()
+ {
+ int size = InstructionSize;
+ iAddressRange = new AddressRange( iFirstInstructionAddress, iFirstInstructionAddress + ( iInstructions.Count * size ) - 1 );
+ }
+
+ internal void Offer( string aLine )
+ {
+ Match m = KRegExInstruction.Match( aLine );
+ if ( m.Success )
+ {
+ // get offset address
+ Group addressGroup = m.Groups[ "Address" ];
+ uint address = uint.Parse( addressGroup.Value, System.Globalization.NumberStyles.HexNumber ) - KCodeBase;
+
+ // Convert to global address
+ address += iBaseAddress;
+ if ( iFirstInstructionAddress == 0 )
+ {
+ iFirstInstructionAddress = address;
+ }
+
+ // Create record
+ string text = aLine.Substring( addressGroup.Index + addressGroup.Length + 1 ).Trim();
+ iInstructions.Add( address, text );
+ }
+ }
+ #endregion
+
+ #region Properties
+ public int Count
+ {
+ get { return iInstructions.Count; }
+ }
+
+ public int InstructionSize
+ {
+ get
+ {
+ int ret = 4;
+ //
+ if ( iInstructions.Count >= 2 )
+ {
+ List<uint> addresses = new List<uint>();
+ //
+ foreach ( KeyValuePair<uint, string> i in iInstructions )
+ {
+ addresses.Add( i.Key );
+ if ( addresses.Count == 2 )
+ {
+ break;
+ }
+ }
+ //
+ if ( addresses.Count == 2 )
+ {
+ int diff = (int) ( addresses[ 1 ] - addresses[ 0 ] );
+ ret = diff;
+ }
+ }
+ //
+ return ret;
+ }
+ }
+
+ public AddressRange AddressRange
+ {
+ get
+ {
+ return iAddressRange;
+ }
+ }
+
+ internal string this[ uint aAddress ]
+ {
+ get
+ {
+ string ret = "??? No exact match";
+ //
+ if ( iInstructions.ContainsKey( aAddress ) )
+ {
+ ret = iInstructions[ aAddress ];
+ }
+ //
+ return ret;
+ }
+ }
+ #endregion
+
+ #region Internal constants
+ private const uint KCodeBase = 0x8000;
+ private static readonly Regex KRegExInstruction = new Regex(
+ "^\\s{8}\r\n0x(?<Address>.{8}):\r\n\\s{4}\r\n(?<Instruction>.{8})\r\n" +
+ "\\s{4}\r\n(?<Ascii>.{4})\r\n\\s{4}\r\n(?<Memnonic>\\p{Lu}*)\r\n\\s+\r\n" +
+ "(?<Params>.+)\r\n$",
+ RegexOptions.Multiline
+ | RegexOptions.CultureInvariant
+ | RegexOptions.IgnorePatternWhitespace
+ | RegexOptions.Compiled
+ );
+ #endregion
+
+ #region Data members
+ private readonly string iName;
+ private readonly uint iBaseAddress;
+ private uint iFirstInstructionAddress;
+ private AddressRange iAddressRange;
+ private Dictionary<uint, string> iInstructions = new Dictionary<uint, string>();
+ #endregion
+ }
+}