crashanalysercmd/Libraries/Engine/CrashItemLib/Crash/Registers/CIRegisterListCollection.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.Text.RegularExpressions;
       
    20 using System.Collections.Generic;
       
    21 using CrashItemLib.Crash;
       
    22 using CrashItemLib.Crash.Base;
       
    23 using CrashItemLib.Crash.Container;
       
    24 using CrashItemLib.Crash.Stacks;
       
    25 using CrashItemLib.Crash.ExitInfo;
       
    26 using CrashItemLib.Crash.Processes;
       
    27 using CrashItemLib.Crash.Registers;
       
    28 using SymbianStructuresLib.Uids;
       
    29 using SymbianStructuresLib.Arm.Registers;
       
    30 
       
    31 namespace CrashItemLib.Crash.Registers
       
    32 {
       
    33 	public class CIRegisterListCollection : CIElement, IEnumerable<CIRegisterList>
       
    34 	{
       
    35 		#region Constructors
       
    36         [CIElementAttributeMandatory()]
       
    37         public CIRegisterListCollection( CIContainer aContainer )
       
    38             : this( aContainer, null )
       
    39 		{
       
    40         }
       
    41         
       
    42         internal CIRegisterListCollection( CIContainer aContainer, CIElement aParent )
       
    43             : base( aContainer, aParent )
       
    44         {
       
    45         }
       
    46         #endregion
       
    47 
       
    48         #region API
       
    49         public void Add( TArmRegisterBank aType )
       
    50         {
       
    51             this[ aType ] = new CIRegisterList( Container, aType );
       
    52         }
       
    53 
       
    54         public void Add( CIRegisterList aCollection )
       
    55         {
       
    56             // Make sure the dictionary doesn't already contain this bank type!
       
    57             bool exists = Contains( aCollection.Bank );
       
    58             if ( exists )
       
    59             {
       
    60                 throw new Exception( aCollection.BankName + " already exists within collection" );
       
    61             }
       
    62             else
       
    63             {
       
    64                 iRegisters.Add( aCollection.Bank, aCollection );
       
    65 
       
    66                 // Register as child also
       
    67                 base.AddChild( aCollection );
       
    68             }
       
    69         }
       
    70 
       
    71         public void Add( params TArmRegisterBank[] aTypes )
       
    72         {
       
    73             foreach ( TArmRegisterBank type in aTypes )
       
    74             {
       
    75                 Add( type );
       
    76             }
       
    77         }
       
    78 
       
    79         public bool Contains( TArmRegisterBank aType )
       
    80         {
       
    81             return iRegisters.ContainsKey( aType );
       
    82         }
       
    83 
       
    84         public override void Clear()
       
    85         {
       
    86             iRegisters.Clear();
       
    87             base.Clear();
       
    88         }
       
    89         #endregion
       
    90 
       
    91         #region Properties
       
    92         public virtual uint CPSR
       
    93         {
       
    94             get
       
    95             {
       
    96                 uint ret = 0;
       
    97                 //
       
    98                 CIRegisterList list = CurrentProcessorModeRegisters;
       
    99                 if ( list != null )
       
   100                 {
       
   101                     ret = list[ TArmRegisterType.EArmReg_CPSR ].Value;
       
   102                 }
       
   103                 else
       
   104                 {
       
   105                     // CPSR is not yet defined
       
   106                 }
       
   107                 //
       
   108                 return ret;
       
   109             }
       
   110             set
       
   111             {
       
   112                 TArmRegisterBank bank = ArmRegisterBankUtils.ExtractBank( value );
       
   113                 
       
   114                 // Remove CPSR from current register list
       
   115                 CIRegisterList list = CurrentProcessorModeRegisters;
       
   116                 if ( list != null )
       
   117                 {
       
   118                     list.Remove( TArmRegisterType.EArmReg_CPSR );
       
   119                 }
       
   120 
       
   121                 // Now we can add it without fear of creating a duplicate
       
   122                 CIRegisterList cpsrRegList = this[ bank ];
       
   123                 if ( cpsrRegList != null )
       
   124                 {
       
   125                     cpsrRegList.Add( TArmRegisterType.EArmReg_CPSR, value );
       
   126                 }
       
   127             }
       
   128         }
       
   129 
       
   130         public virtual CIRegisterList CurrentProcessorModeRegisters
       
   131         {
       
   132             get
       
   133             {
       
   134                 // Try to find the bank that contains CPSR (if any) and
       
   135                 // return that.
       
   136                 CIRegisterList ret = null;
       
   137                 //
       
   138                 foreach ( CIRegisterList col in this )
       
   139                 {
       
   140                     if ( col.Contains( TArmRegisterType.EArmReg_CPSR ) )
       
   141                     {
       
   142                         // Get CPSR value
       
   143                         ArmRegister cpsr = col[ TArmRegisterType.EArmReg_CPSR ];
       
   144                         TArmRegisterBank cpsrBank = ArmRegisterBankUtils.ExtractBank( cpsr );
       
   145 
       
   146                         // Try to get the corresponding bank (should be the same as col...)
       
   147                         if ( Contains( cpsrBank ) )
       
   148                         {
       
   149                             CIRegisterList list = this[ cpsrBank ];
       
   150                             System.Diagnostics.Debug.Assert( list is CIRegisterList );
       
   151                             ret = (CIRegisterList) list;
       
   152                         }
       
   153                         break;
       
   154                     }
       
   155                 }
       
   156                 //
       
   157                 return ret;
       
   158             }
       
   159         }
       
   160 
       
   161         public CIRegisterList this[ TArmRegisterBank aType ]
       
   162         {
       
   163             get { return iRegisters[ aType ]; }
       
   164             set
       
   165             {
       
   166                 if ( iRegisters.ContainsKey( aType ) )
       
   167                 {
       
   168                     iRegisters[ aType ] = value;
       
   169                 }
       
   170                 else
       
   171                 {
       
   172                     Add( value );
       
   173                 }
       
   174             }
       
   175         }
       
   176         #endregion
       
   177 
       
   178         #region Internal methods
       
   179         #endregion
       
   180 
       
   181         #region From IEnumerable<CIRegisterCollection>
       
   182         public new IEnumerator<CIRegisterList> GetEnumerator()
       
   183         {
       
   184             foreach ( KeyValuePair<TArmRegisterBank, CIRegisterList> kvp in iRegisters )
       
   185             {
       
   186                 yield return kvp.Value;
       
   187             }
       
   188         }
       
   189 
       
   190         System.Collections.IEnumerator System.Collections.IEnumerable.GetEnumerator()
       
   191         {
       
   192             foreach ( KeyValuePair<TArmRegisterBank, CIRegisterList> kvp in iRegisters )
       
   193             {
       
   194                 yield return kvp.Value;
       
   195             }
       
   196         }
       
   197         #endregion
       
   198 
       
   199         #region Data members
       
   200         private Dictionary<TArmRegisterBank, CIRegisterList> iRegisters = new Dictionary<TArmRegisterBank, CIRegisterList>();
       
   201         #endregion
       
   202     }
       
   203 }