1 /*

     2 * Copyright (c) 2004-2008 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 

    18 using System;

    19 using System.Collections.Generic;

    20 using System.Text;

    21 using SymbianUtils.Utilities;

    22 using CrashDebuggerLib.Structures.KernelObjects;

    23 using CrashDebuggerLib.Structures.Common;

    24 using CrashDebuggerLib.Structures.Process;

    25 using CrashDebuggerLib.Structures.CodeSeg;

    26 using CrashDebuggerLib.Structures.Register;

    27 using SymbianStackLib.Engine;

    28 using SymbianStackLib.Data.Output;

    29 using SymbianStructuresLib.CodeSegments;

    30 using SymbianStructuresLib.Debug.Symbols;

    31 using SymbianStructuresLib.Arm.Registers;

    32 using SymbianUtils.DataBuffer;

    33 using SymbianUtils.DataBuffer.Entry;

    34 using SymbianUtils.DataBuffer.Primer;

    35 

    36 namespace CrashDebuggerLib.Structures.Thread

    37 {

    38     public class ThreadStackData : CrashDebuggerAware

    39     {

    40         #region Constructors

    41         public ThreadStackData( CrashDebuggerInfo aCrashDebugger, ThreadStackInfo aInfo )

    42             : base( aCrashDebugger )

    43         {

    44             iInfo = aInfo;

    45             iStackBuilder = new ThreadStackBuilder( this);

    46         }

    47         #endregion

    48 

    49         #region API

    50         public void Add( uint aValue )

    51         {

    52             byte val = (byte) aValue;

    53             iDataSource.Add( val );

    54         }

    55 

    56         public void BuildCallStackSync()

    57         {

    58             if ( iStackBuilder.IsBusy )

    59             {

    60                 // Wait for it

    61                 while ( iStackBuilder.IsBusy )

    62                 {

    63                     System.Threading.Thread.Sleep( 100 );

    64                 }

    65             }

    66             else

    67             {

    68                 iStackBuilder.BuildSync();

    69             }

    70         }

    71 

    72         public void BuildCallStackAsync()

    73         {

    74             if ( iStackBuilder.IsBusy )

    75             {

    76                 throw new ArgumentException( "Stack builder is busy!" );

    77             }

    78 

    79             // Request call back when queue spot available. If it's the current

    80             // thread then we jump it to the start of the queue

    81             CrashDebugger.AsyncOperationManager.Queue( iStackBuilder, Info.Thread.IsCurrent );

    82         }

    83         #endregion

    84 

    85         #region String Conversion Support

    86         public string CallStackToString()

    87         {

    88             StringBuilder ret = new StringBuilder();

    89             //

    90             ret.Append( CallStackElements.ToString() );

    91             //

    92             return ret.ToString();

    93         }

    94         #endregion

    95 

    96         #region Properties

    97         public int Size

    98         {

    99             get { return iDataSource.Count; }

   100         }

   101 

   102         public StackOutputData CallStackElements

   103         {

   104             get

   105             {

   106                 if ( !iStackBuilder.CallStackConstructed )

   107                 {

   108                     BuildCallStackSync();

   109                 }

   110                 //

   111                 return iStackBuilder.CallStackElements;

   112             }

   113         }

   114         #endregion

   115 

   116         #region Internal methods

   117         internal void SetStartingAddress( uint aAddress )

   118         {

   119             if ( iDataSource.AddressOffset == 0 )

   120             {

   121                 iDataSource.AddressOffset = aAddress;

   122             }

   123         }

   124         

   125         internal DataBuffer Data

   126         {

   127             get { return iDataSource; }

   128         }

   129 

   130         internal ThreadStackInfo Info

   131         {

   132             get { return iInfo; }

   133         }

   134 

   135         internal DataBufferUint LastRawDataEntry

   136         {

   137             get

   138             {

   139                 if ( Size < 4 )

   140                 {

   141                     throw new ArgumentException();

   142                 }

   143                 //

   144                 DataBufferUint ret = null;

   145                 //

   146                 foreach ( DataBufferUint entry in iDataSource.GetUintEnumerator() )

   147                 {

   148                     // The enumerator works from bottom up, so just return the first one.

   149                     ret = entry;

   150                     break;

   151                 }

   152                 //

   153                 return ret;

   154             }

   155         }

   156         #endregion

   157 

   158         #region Internal constants

   159         #endregion

   160 

   161         #region From System.Object

   162         public override string ToString()

   163         {

   164             return base.ToString();

   165         }

   166         #endregion

   167 

   168         #region Data members

   169         private readonly ThreadStackInfo iInfo;

   170         private readonly ThreadStackBuilder iStackBuilder;

   171         private DataBuffer iDataSource = new DataBuffer();

   172         private StackOutputData iDataOutput = new StackOutputData();

   173         #endregion

   174     }

   175 }