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 

    18 #include <memspy/engine/memspyenginehelperactiveobject.h>

    19 

    20 // System includes

    21 #include <s32mem.h>

    22 #include <e32svr.h>

    23 

    24 // Driver includes

    25 #include <memspy/driver/memspydriverclient.h>

    26 

    27 // User includes

    28 #include <memspy/engine/memspyengine.h>

    29 #include <memspy/engine/memspyengineutils.h>

    30 #include <memspy/engine/memspyengineoutputsink.h>

    31 #include <memspy/engine/memspyengineobjectthread.h>

    32 #include <memspy/engine/memspyengineobjectprocess.h>

    33 #include <memspy/engine/memspyenginehelperheap.h>

    34 

    35 // Driver includes

    36 #include <memspy/driver/memspydriverconstants.h>

    37 

    38 // Literal constants

    39 _LIT( KMemSpyEngineAOOutputComma, ", " );

    40 

    41 

    42 

    43 CMemSpyEngineHelperActiveObject::CMemSpyEngineHelperActiveObject( CMemSpyEngine& aEngine )

    44 :   iEngine( aEngine )

    45     {

    46     }

    47 

    48     

    49 CMemSpyEngineHelperActiveObject::~CMemSpyEngineHelperActiveObject()

    50     {

    51     }

    52 

    53 

    54 void CMemSpyEngineHelperActiveObject::ConstructL()

    55     {

    56     }

    57 

    58 

    59 CMemSpyEngineHelperActiveObject* CMemSpyEngineHelperActiveObject::NewL( CMemSpyEngine& aEngine )

    60     {

    61     CMemSpyEngineHelperActiveObject* self = new(ELeave) CMemSpyEngineHelperActiveObject( aEngine );

    62     CleanupStack::PushL( self );

    63     self->ConstructL();

    64     CleanupStack::Pop( self );

    65     return self;

    66     }

    67 

    68 

    69 EXPORT_C CMemSpyEngineActiveObjectArray* CMemSpyEngineHelperActiveObject::ActiveObjectListL( const CMemSpyThread& aThread )

    70     {

    71     //RDebug::Printf("CMemSpyEngineHelperActiveObject::ActiveObjectListLC() - START");

    72     CMemSpyEngineActiveObjectArray* array = CMemSpyEngineActiveObjectArray::NewLC();

    73 

    74     // Is the thread's process already suspended? If not, we need to do it now.

    75     const TProcessId parentProcessId( aThread.Process().Id() );

    76     const TBool isSuspended = ( iEngine.SuspendedProcessId() == parentProcessId );

    77     if  ( !isSuspended )

    78         {

    79         //RDebug::Printf("CMemSpyEngineHelperActiveObject::ActiveObjectListLC() - suspending process");

    80         iEngine.ProcessSuspendLC( parentProcessId );

    81         }

    82 

    83     // Push a cleanup item to close the heap walk in case of leaves

    84     CleanupStack::PushL( TCleanupItem( CleanupHeapWalk, this ) );

    85 

    86     // Get the thread info

    87     //RDebug::Printf("CMemSpyEngineHelperActiveObject::ActiveObjectListLC() - getting thread info...");

    88     TMemSpyDriverThreadInfo threadInfo;

    89     TInt err = iEngine.Driver().GetThreadInfo( aThread.Id(), threadInfo );

    90     User::LeaveIfError( err );

    91     TAny* scheduler = threadInfo.iScheduler;

    92 

    93 #if defined( _DEBUG ) && !defined( __WINS__ )

    94     iEngine.HelperHeap().OutputCellListingUserL( aThread );

    95 #endif

    96 

    97     // Get the heap info - we need this for verification purposes

    98     //RDebug::Printf("CMemSpyEngineHelperActiveObject::ActiveObjectListLC() - getting heap info...");

    99     err = iEngine.Driver().GetHeapInfoUser( iHeapInfo, aThread.Id() );

   100     User::LeaveIfError( err );

   101     //RDebug::Printf("CMemSpyEngineHelperActiveObject::ActiveObjectListLC() - allocated cell header length is: %d", iHeapInfo.iHeapCellHeaderLengthAllocated);

   102 

   103     // Do we have a ROM-based scheduler pointer?

   104     if  ( scheduler != NULL && iHeapInfo.Type() == TMemSpyHeapInfo::ETypeRHeap )

   105         {

   106         //RDebug::Printf("CMemSpyEngineHelperActiveObject::ActiveObjectListLC() - scheduler: 0x%08x", scheduler);

   107 

   108         // Let's try to get the scheduler's heap cell...

   109         HBufC8* data = SchedulerHeapCellDataLC( scheduler, aThread.Id() );

   110         

   111         // Try to extract the active object addresses

   112         ExtractActiveObjectAddressesL( scheduler, *data, *array );

   113         CleanupStack::PopAndDestroy( data );

   114         }

   115 

   116     // Tidy up

   117     CleanupStack::PopAndDestroy(); // heap walk cleanup item

   118     if  ( !isSuspended )

   119         {

   120         iEngine.ProcessResume();

   121         }

   122     //

   123     CleanupStack::Pop( array );

   124     //RDebug::Printf("CMemSpyEngineHelperActiveObject::ActiveObjectListLC() - END");

   125     return array;

   126     }

   127 

   128 

   129 HBufC8* CMemSpyEngineHelperActiveObject::SchedulerHeapCellDataLC( TAny*& aCellAddress, TThreadId aThreadId )

   130     {

   131     //RDebug::Printf("CMemSpyEngineHelperActiveObject::SchedulerHeapCellDataLC() - START - aCellAddress: 0x%08x, aThread: %d", aCellAddress, I64INT(aThreadId.Id()));

   132 

   133     // This is what we'll return, if we find it...

   134     HBufC8* heapCellData = NULL;

   135 

   136     // Now walk the heap!

   137     TInt err = iEngine.Driver().WalkHeapInit( aThreadId );

   138     User::LeaveIfError( err );

   139 

   140     // Now we can try to find the cell's info

   141     TMemSpyDriverCellType cellType;

   142     TInt cellLength;

   143     TInt cellNestingLevel;

   144     TInt cellAllocationNumber;

   145     TInt cellHeaderSize;

   146     TAny* cellPayloadAddress;

   147     //

   148     err = iEngine.Driver().WalkHeapGetCellInfo( aCellAddress, cellType, cellLength, cellNestingLevel, cellAllocationNumber, cellHeaderSize, cellPayloadAddress );

   149     //RDebug::Printf("CMemSpyEngineHelperActiveObject::SchedulerHeapCellDataLC() - err: %d, cellLength: %d, cellAllocationNumber: %d, cellType: %d", err, cellLength, cellAllocationNumber, cellType);

   150     User::LeaveIfError( err );

   151     

   152     if  ( cellType == EMemSpyDriverGoodAllocatedCell )

   153         {

   154         const TInt payloadLength = cellLength - iHeapInfo.AsRHeap().MetaData().HeaderSizeAllocated();

   155         HBufC8* data = HBufC8::NewLC( payloadLength );

   156         TPtr8 pData( data->Des() );

   157         //

   158         err = iEngine.Driver().WalkHeapReadCellData( aCellAddress, pData, payloadLength );

   159         //RDebug::Printf("CMemSpyEngineHelperActiveObject::SchedulerHeapCellDataLC() - data fetch returned error: %d", err);

   160         User::LeaveIfError( err );

   161         heapCellData = data;

   162         CleanupStack::Pop( data );

   163         }

   164     //

   165     if  ( heapCellData == NULL )

   166         {

   167         //RDebug::Printf("CMemSpyEngineHelperActiveObject::SchedulerHeapCellDataLC() - END - didn't find the right cell => KErrNotFound");

   168         User::Leave( KErrNotFound );

   169         }

   170     //

   171     CleanupStack::PushL( heapCellData );

   172 

   173     //RDebug::Printf("CMemSpyEngineHelperActiveObject::SchedulerHeapCellDataLC() - END - everything okay, cell is: 0x%08x", aCellAddress);

   174     return heapCellData;

   175     }

   176 

   177 

   178 void CMemSpyEngineHelperActiveObject::ExtractActiveObjectAddressesL( TAny* aSchedulerCellAddress, const TDesC8& aSchedulerCellData, CMemSpyEngineActiveObjectArray& aArray )

   179     {

   180     // Create read stream

   181     RDesReadStream stream( aSchedulerCellData );

   182     CleanupClosePushL( stream );

   183 

   184     // First item is vtable

   185     TUint address = stream.ReadUint32L();

   186     //RDebug::Printf("CMemSpyEngineHelperActiveObject::ExtractActiveObjectAddressesL() - vtable: 0x%08x", address );

   187     (void) address;

   188 

   189     // Next item is CActiveScheduler::iStack - which we'll skip, because it might be a stack address

   190     // I suppose we could validate this against the thread's stack address range, but can't be bothered

   191     // at the moment.

   192     address = stream.ReadUint32L();

   193     //RDebug::Printf("CMemSpyEngineHelperActiveObject::ExtractActiveObjectAddressesL() - got CActiveScheduler::iStack as: 0x%08x", address);

   194     (void) address;

   195 

   196     // Then comes CActiveScheduler::iActiveQ - this is what we are interested in.... 

   197     //

   198     //  class TPriQue : public TDblQueBase

   199     //        [TDblQueBase::iHead] - this just derives from TDblQueLinkBase and doesn't have any direct data members

   200     //            class TDblQueLink : public TDblQueLinkBase

   201     //                [ptr]  TDblQueLinkBase::iNext*

   202     //                [ptr]  TDblQueLinkBase::iPrev*

   203     // [TInt] TDblQueBase::iOffset

   204     __ASSERT_COMPILE( sizeof( TDblQueLinkBase* ) == sizeof(TUint) );

   205     __ASSERT_COMPILE( sizeof( TInt ) == 4 );

   206 

   207     // Get read offset so that we know the starting address of the queue

   208     const TStreamPos pos = stream.Source()->TellL(MStreamBuf::ERead);

   209 #ifdef __WINS__

   210     const TAny* terminatingQueueAddress = (TAny*) (TUint(aSchedulerCellAddress) + pos.Offset());

   211 #else

   212     const TAny* terminatingQueueAddress = (TAny*) aSchedulerCellAddress;

   213 #endif

   214 

   215     const TAny* queueNext = (TAny*) stream.ReadUint32L();

   216     const TAny* queuePrev = (TAny*) stream.ReadUint32L();

   217     const TUint queueItemOffset = stream.ReadUint32L();

   218     //RDebug::Printf("CMemSpyEngineHelperActiveObject::ExtractActiveObjectAddressesL() - queueNext: 0x%08x, queuePrev: 0x%08x, queueItemOffset: %d, pos: %d, terminatingQueueAddress: 0x%08x", queueNext, queuePrev, queueItemOffset, pos.Offset(), terminatingQueueAddress);

   219     (void) queuePrev;

   220     CleanupStack::PopAndDestroy( &stream );

   221         

   222     // Iterate through the active objects

   223     if  ( queueNext != NULL )

   224         {

   225         TAny* realNextCellHeapCell = NULL;

   226         TAny* calculatedCellAddress = ((TAny*) (TUint(queueNext) - queueItemOffset));

   227 

   228         while( !( calculatedCellAddress == NULL || calculatedCellAddress == terminatingQueueAddress || realNextCellHeapCell == terminatingQueueAddress ) )

   229             {

   230             // Create an active object for this cell

   231             TAny* nextCell = ReadActiveObjectDataL( calculatedCellAddress, aArray );

   232             

   233             // Work out next cell address

   234             calculatedCellAddress = ((TAny*) ( TUint( nextCell ) - queueItemOffset ) );

   235             //RDebug::Printf("CMemSpyEngineHelperActiveObject::ExtractActiveObjectAddressesL() - calculatedCellAddress: 0x%08x, terminatingQueueAddress: 0x%08x", calculatedCellAddress, terminatingQueueAddress);

   236 

   237             // Identify the next cell address

   238             realNextCellHeapCell = ConvertAddressToRealHeapCellAddressL( nextCell );

   239             }

   240         }

   241     }

   242 

   243 

   244 TAny* CMemSpyEngineHelperActiveObject::ConvertAddressToRealHeapCellAddressL( TAny* aAddress )

   245     {

   246     //RDebug::Printf("CMemSpyEngineHelperActiveObject::ConvertAddressToRealHeapCellAddressL() - START - aAddress: 0x%08x", aAddress);

   247 

   248     TMemSpyDriverCellType cellType;

   249     TInt cellLength;

   250     TInt cellNestingLevel;

   251     TInt cellAllocationNumber;

   252     TInt cellHeaderSize;

   253     TAny* cellPayloadAddress;

   254 

   255     TInt err = iEngine.Driver().WalkHeapGetCellInfo( aAddress, cellType, cellLength, cellNestingLevel, cellAllocationNumber, cellHeaderSize, cellPayloadAddress );

   256     //RDebug::Printf("CMemSpyEngineHelperActiveObject::ConvertAddressToRealHeapCellAddressL() - END - err: %d, realCellAddress: 0x%08x, cellLength: %d, cellAllocationNumber: %d, cellType: %d", err, aAddress, cellLength, cellAllocationNumber, cellType);

   257     User::LeaveIfError( err );

   258 

   259     return aAddress;

   260     }

   261 

   262 

   263 TAny* CMemSpyEngineHelperActiveObject::ReadActiveObjectDataL( TAny* aCellAddress, CMemSpyEngineActiveObjectArray& aArray )

   264     {

   265     //RDebug::Printf("CMemSpyEngineHelperActiveObject::ReadActiveObjectDataL() - START");

   266 

   267     //RDebug::Printf("CMemSpyEngineHelperActiveObject::ReadActiveObjectDataL() - AO.cellAddress:     0x%08x", aCellAddress);

   268     TAny* nextCellAddress = NULL;

   269     

   270     TMemSpyDriverCellType cellType;

   271     TInt cellLength;

   272     TInt cellNestingLevel;

   273     TInt cellAllocationNumber;

   274     TInt cellHeaderSize;

   275     TAny* cellPayloadAddress;

   276 

   277     // Make a separate copy of the cell address - calling GetCellInfo may well result in the address being

   278     // changed in order to match the real starting address of a *heap cell*.

   279     TAny* requestedCellAddress = aCellAddress;

   280     TInt err = iEngine.Driver().WalkHeapGetCellInfo( requestedCellAddress, cellType, cellLength, cellNestingLevel, cellAllocationNumber, cellHeaderSize, cellPayloadAddress );

   281     //RDebug::Printf("CMemSpyEngineHelperActiveObject::ReadActiveObjectDataL() - err: %d, cellLength: %d, cellAllocationNumber: %d, cellType: %d", err, cellLength, cellAllocationNumber, cellType);

   282     User::LeaveIfError( err );

   283     

   284     if  ( cellType == EMemSpyDriverGoodAllocatedCell )

   285         {

   286         const TInt payloadLength = cellLength - iHeapInfo.AsRHeap().MetaData().HeaderSizeAllocated();

   287         //RDebug::Printf("CMemSpyEngineHelperActiveObject::ReadActiveObjectDataL() - payloadLength: %d", payloadLength);

   288 

   289         // const TInt payloadLength = Max( 512, cellLength - iHeapInfo.iHeapCellHeaderLengthAllocated ); // Prevent negative payload lengths?

   290         CBufFlat* data = CBufFlat::NewL( payloadLength );

   291         CleanupStack::PushL( data );

   292         data->ResizeL( payloadLength );

   293         TPtr8 pData( data->Ptr( 0 ) );

   294         //

   295         err = iEngine.Driver().WalkHeapReadCellData( requestedCellAddress, pData, payloadLength );

   296         //RDebug::Printf("CMemSpyEngineHelperActiveObject::ReadActiveObjectDataL() - AO.heapCellAddress: 0x%08x (err: %d)", requestedCellAddress, err);

   297         User::LeaveIfError( err );

   298 

   299         // If an object is embedded directly within a class, for example

   300         //

   301         // class CSomething : public CBase

   302         //   {

   303         //   CIdle iEmbeddedIdler;

   304         //   }

   305         //

   306         // then aCellAddress actually points to somewhere *within* a heap cell, not to the actual starting address of

   307         // the heap cell itself. We must take this into account when parsing the heap cell data (i.e. the bit of the cell we

   308         // are interested in starts part way through the cell data).

   309         TInt cellOffset = TUint32( aCellAddress ) - TUint32( requestedCellAddress );

   310         //RDebug::Printf("CMemSpyEngineHelperActiveObject::ReadActiveObjectDataL() - AO.cellOffset:      %d (ignoring cell header)", cellOffset);

   311         cellOffset -= cellHeaderSize;

   312         //RDebug::Printf("CMemSpyEngineHelperActiveObject::ReadActiveObjectDataL() - AO.cellOffset:      %d (adjusted for cell header)", cellOffset);

   313 

   314         // Got the cell data for the active object. Let's parse it.

   315         RBufReadStream stream( *data, cellOffset );

   316         CleanupClosePushL( stream );

   317 

   318         // First item should be vTable

   319         TAny* vTable = (TAny*) stream.ReadUint32L();

   320         //RDebug::Printf("CMemSpyEngineHelperActiveObject::ReadActiveObjectDataL() - AO.vTable:          0x%08x", vTable );

   321 

   322         // Next item should be the request status. First the iStatus, then the iFlags

   323         const TInt requestStatusValue = stream.ReadInt32L();

   324         //RDebug::Printf("CMemSpyEngineHelperActiveObject::ReadActiveObjectDataL() - AO.rsVal:           %10d", requestStatusValue );

   325         const TUint requestStatusFlags = stream.ReadUint32L();

   326         //RDebug::Printf("CMemSpyEngineHelperActiveObject::ReadActiveObjectDataL() - AO.rsFlags:         0x%02x", requestStatusFlags );

   327 

   328         // Next comes the baseclass for the link - TDblQueLinkBase

   329         TAny* nextEntryAddress = (TAny*) stream.ReadUint32L();

   330         //RDebug::Printf("CMemSpyEngineHelperActiveObject::ReadActiveObjectDataL() - AO.iLink.Next:      0x%08x", nextEntryAddress );

   331         TAny* prevEntryAddress = (TAny*) stream.ReadUint32L();

   332         //RDebug::Printf("CMemSpyEngineHelperActiveObject::ReadActiveObjectDataL() - AO.iLink.Prev:      0x%08x", prevEntryAddress );

   333 

   334         // Next comes the TPriQueueLink itself

   335         const TInt priority = stream.ReadInt32L();

   336         //RDebug::Printf("CMemSpyEngineHelperActiveObject::ReadActiveObjectDataL() - AO.iLink.Pri:       %d", priority );

   337         

   338         // Done - save object & tidy up

   339         CMemSpyEngineActiveObject* object = CMemSpyEngineActiveObject::NewLC( aCellAddress, vTable, priority, requestStatusValue, requestStatusFlags, nextEntryAddress, prevEntryAddress, iEngine );

   340         aArray.AddItemL( object );

   341         CleanupStack::Pop( object );

   342         CleanupStack::PopAndDestroy( 2, data ); // stream & data

   343         

   344         nextCellAddress = (TAny*) nextEntryAddress;

   345         //RDebug::Printf(" ");

   346         }

   347 

   348     return nextCellAddress;

   349     }

   350 

   351 

   352 void CMemSpyEngineHelperActiveObject::CleanupHeapWalk( TAny* aSelf )

   353     {

   354     CMemSpyEngineHelperActiveObject* self = reinterpret_cast< CMemSpyEngineHelperActiveObject* >( aSelf );

   355     self->iEngine.Driver().WalkHeapClose();

   356     }

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   390 CMemSpyEngineActiveObjectArray::CMemSpyEngineActiveObjectArray()

   391     {

   392     }

   393 

   394 

   395 EXPORT_C CMemSpyEngineActiveObjectArray::~CMemSpyEngineActiveObjectArray()

   396     {

   397     delete iHeader;

   398     iObjects.ResetAndDestroy();

   399     iObjects.Close();

   400     }

   401 

   402 

   403 void CMemSpyEngineActiveObjectArray::ConstructL()

   404     {

   405     }

   406 

   407 

   408 CMemSpyEngineActiveObjectArray* CMemSpyEngineActiveObjectArray::NewLC(  )

   409     {

   410     CMemSpyEngineActiveObjectArray* self = new(ELeave) CMemSpyEngineActiveObjectArray();

   411     CleanupStack::PushL( self );

   412     self->ConstructL();

   413     return self;

   414     }

   415 

   416 

   417 EXPORT_C TInt CMemSpyEngineActiveObjectArray::Count() const

   418     {

   419     return iObjects.Count();

   420     }

   421 

   422 

   423 EXPORT_C CMemSpyEngineActiveObject& CMemSpyEngineActiveObjectArray::At( TInt aIndex )

   424     {

   425     return *iObjects[ aIndex ];

   426     }

   427 

   428 

   429 EXPORT_C const CMemSpyEngineActiveObject& CMemSpyEngineActiveObjectArray::At( TInt aIndex ) const

   430     {

   431     return *iObjects[ aIndex ];

   432     }

   433 

   434 

   435 EXPORT_C CMemSpyEngineActiveObject& CMemSpyEngineActiveObjectArray::ObjectByAddressL( TAny* aAddress )

   436     {

   437     const TInt index = ObjectIndexByAddress( aAddress );

   438     User::LeaveIfError( index );

   439     CMemSpyEngineActiveObject& ret = At( index );

   440     return ret;

   441     }

   442 

   443 

   444 EXPORT_C TInt CMemSpyEngineActiveObjectArray::ObjectIndexByAddress( TAny* aAddress ) const

   445     {

   446     TInt ret = KErrNotFound;

   447     //

   448     const TInt count = Count();

   449     for( TInt i=0; i<count; i++ )

   450         {

   451         const CMemSpyEngineActiveObject& object = At( i );

   452         //

   453         if  ( object.Address() == aAddress )

   454             {

   455             ret = i;

   456             break;

   457             }

   458         }

   459     //

   460     return ret;

   461     }

   462 

   463 

   464 EXPORT_C void CMemSpyEngineActiveObjectArray::OutputDataColumnsL( CMemSpyEngine& aEngine )

   465     {

   466     HBufC* columns = HBufC::NewLC( 1024 );

   467     TPtr pColumns( columns->Des() );

   468     //

   469     _LIT(KCol1, "Address");

   470     pColumns.Append( KCol1 );

   471     pColumns.Append( KMemSpyEngineAOOutputComma );

   472     //

   473     _LIT(KCol3, "Priority");

   474     pColumns.Append( KCol3 );

   475     pColumns.Append( KMemSpyEngineAOOutputComma );

   476     //

   477     _LIT(KCol4, "Is Active");

   478     pColumns.Append( KCol4 );

   479     pColumns.Append( KMemSpyEngineAOOutputComma );

   480     //

   481     _LIT(KCol5, "Request Pending");

   482     pColumns.Append( KCol5 );

   483     pColumns.Append( KMemSpyEngineAOOutputComma );

   484     //

   485     _LIT(KCol6, "Status Value");

   486     pColumns.Append( KCol6 );

   487     pColumns.Append( KMemSpyEngineAOOutputComma );

   488     //

   489     _LIT(KCol7, "Status Flags");

   490     pColumns.Append( KCol7 );

   491     pColumns.Append( KMemSpyEngineAOOutputComma );

   492     //

   493     _LIT(KCol8, "vTable Address");

   494     pColumns.Append( KCol8 );

   495     pColumns.Append( KMemSpyEngineAOOutputComma );

   496     //

   497     _LIT(KCol9, "vTable for Symbolic Lookup");

   498     pColumns.Append( KCol9 );

   499     //

   500     aEngine.Sink().OutputLineL( pColumns );

   501     CleanupStack::PopAndDestroy( columns );

   502     }

   503 

   504 

   505 EXPORT_C TInt CMemSpyEngineActiveObjectArray::MdcaCount() const

   506     {

   507     TInt count = Count();

   508     //

   509     if  ( count > 0 )

   510         {

   511         ++count;

   512         }

   513     //

   514     return count;

   515     }

   516 

   517 

   518 EXPORT_C TPtrC CMemSpyEngineActiveObjectArray::MdcaPoint( TInt aIndex ) const

   519     {

   520     TPtrC ret( *iHeader );

   521     //

   522     if  ( aIndex > 0 )

   523         {

   524         const CMemSpyEngineActiveObject& object = At( aIndex - 1 );

   525         ret.Set( object.Caption() );

   526         }

   527     //

   528     return ret;

   529     }

   530 

   531 

   532 void CMemSpyEngineActiveObjectArray::AddItemL( CMemSpyEngineActiveObject* aItem )

   533     {

   534     iObjects.AppendL( aItem );

   535     BuildHeaderCaptionL();

   536     }

   537 

   538 

   539 void CMemSpyEngineActiveObjectArray::InsertL( CMemSpyEngineActiveObject* aItem, TInt aIndex )

   540     {

   541     iObjects.InsertL( aItem, aIndex );

   542     BuildHeaderCaptionL();

   543     }

   544 

   545 

   546 void CMemSpyEngineActiveObjectArray::BuildHeaderCaptionL()

   547     {

   548     const TInt KHeaderLength = 100;

   549     //

   550     if  ( !iHeader )

   551         {

   552         iHeader = HBufC::NewL( KHeaderLength );

   553         }

   554     //

   555     TPtr pHeader( iHeader->Des() );

   556     //

   557     _LIT(KCaption, "\tNumber of AO\'s\t\t%d");

   558     pHeader.Format( KCaption, Count() );

   559     }

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   585 CMemSpyEngineActiveObject::CMemSpyEngineActiveObject( TAny* aAddress, TAny* aVTable, TInt aPriority, TInt aRSValue, TUint aRSFlags, TAny* aNextAOAddress, TAny* aPrevAOAddress )

   586 :   CDesCArrayFlat(6), iAddress( aAddress ), iVTable( aVTable ), iPriority( aPriority ), iRequestStatusValue( aRSValue ), iRequestStatusFlags( aRSFlags ), iNextAOAddress( aNextAOAddress ), iPrevAOAddress( aPrevAOAddress )

   587     {

   588     }

   589 

   590 

   591 EXPORT_C CMemSpyEngineActiveObject::~CMemSpyEngineActiveObject()

   592     {

   593     delete iCaption;

   594     }

   595 

   596 

   597 void CMemSpyEngineActiveObject::ConstructL( CMemSpyEngine& /*aEngine*/ )

   598     {

   599     TBuf<256> item;

   600 

   601     _LIT(KBasicFormat, "\t0x%08x\t\t");

   602     item.Format( KBasicFormat, VTable() );

   603 

   604     // Add modifiers

   605     _LIT( KModifiers, "%d" );

   606     _LIT( KBoxedCharFormat, " [%c]" );

   607     item.AppendFormat( KModifiers, RequestStatusValue() );

   608     if  ( IsActive() )

   609         {

   610         item.AppendFormat( KBoxedCharFormat, 'A' );

   611         }

   612     if  ( RequestIsPending() )

   613         {

   614         item.AppendFormat( KBoxedCharFormat, 'P' );

   615         }

   616     iCaption = item.AllocL();

   617 

   618     // Listbox items

   619     TPtrC value;

   620 

   621     // Address

   622     _LIT(KCaption1, "\tAddress\t\t0x%08x");

   623     item.Format( KCaption1, iAddress );

   624     AppendL( item );

   625 

   626     // vTable

   627     _LIT(KCaption2, "\tVTable\t\t0x%08x");

   628     item.Format( KCaption2, iVTable );

   629     AppendL( item );

   630 

   631     //

   632     _LIT(KCaption3, "\tStatus Value\t\t%d");

   633     item.Format( KCaption3, iRequestStatusValue );

   634     AppendL( item );

   635 

   636     //

   637     _LIT(KCaption5, "\tIs Active\t\t%S");

   638     value.Set( YesNoValue( IsActive() ) );

   639     item.Format( KCaption5, &value );

   640     AppendL( item );

   641 

   642     //

   643     _LIT(KCaption6, "\tRequest Pending\t\t%S");

   644     value.Set( YesNoValue( RequestIsPending() ) );

   645     item.Format( KCaption6, &value );

   646     AppendL( item );

   647 

   648     //

   649     _LIT(KCaption4, "\tPriority\t\t%d");

   650     item.Format( KCaption4, iPriority );

   651     AppendL( item );

   652     }

   653 

   654 

   655 CMemSpyEngineActiveObject* CMemSpyEngineActiveObject::NewLC( TAny* aAddress, TAny* aVTable, TInt aPriority, TInt aRSValue, TUint aRSFlags, TAny* aNextAOAddress, TAny* aPrevAOAddress, CMemSpyEngine& aEngine )

   656     {

   657     CMemSpyEngineActiveObject* self = new(ELeave) CMemSpyEngineActiveObject( aAddress, aVTable, aPriority, aRSValue, aRSFlags, aNextAOAddress, aPrevAOAddress );

   658     CleanupStack::PushL( self );

   659     self->ConstructL( aEngine );

   660     return self;

   661     }

   662 

   663 

   664 EXPORT_C TBool CMemSpyEngineActiveObject::IsActive() const

   665     {

   666     return ( iRequestStatusFlags & CMemSpyEngineActiveObject::EActive );

   667     }

   668 

   669 

   670 EXPORT_C TBool CMemSpyEngineActiveObject::IsAddedToScheduler() const

   671     {

   672     return ( iNextAOAddress != NULL );

   673     }

   674 

   675 

   676 EXPORT_C TBool CMemSpyEngineActiveObject::RequestIsPending() const

   677     {

   678     return ( iRequestStatusFlags & CMemSpyEngineActiveObject::ERequestPending );

   679     }

   680 

   681 

   682 EXPORT_C void CMemSpyEngineActiveObject::OutputDataL( CMemSpyEngine& aEngine ) const

   683     {

   684     _LIT(KMemSpyEngineAOOutputHex, "0x%08x");

   685     _LIT(KMemSpyEngineAOOutputDecimal, "%d");

   686     _LIT(KMemSpyEngineAOOutputDecimalFixed10, "%10d");

   687     _LIT(KMemSpyEngineAOOutputString, "%S");

   688     _LIT(KMemSpyEngineAOOutputVTable, "vTable: 0x%08x");

   689     //

   690     TPtrC yesNoValue( KNullDesC );

   691     HBufC* columns = HBufC::NewLC( 1024 );

   692     TPtr pColumns( columns->Des() );

   693     //

   694     pColumns.AppendFormat( KMemSpyEngineAOOutputHex, Address() );

   695     pColumns.Append( KMemSpyEngineAOOutputComma );

   696     //

   697     pColumns.AppendFormat( KMemSpyEngineAOOutputDecimal, Priority() );

   698     pColumns.Append( KMemSpyEngineAOOutputComma );

   699     //

   700     yesNoValue.Set( YesNoValue( IsActive() ) );

   701     pColumns.AppendFormat( KMemSpyEngineAOOutputString, &yesNoValue );

   702     pColumns.Append( KMemSpyEngineAOOutputComma );

   703     //

   704     yesNoValue.Set( YesNoValue( RequestIsPending() ) );

   705     pColumns.AppendFormat( KMemSpyEngineAOOutputString, &yesNoValue );

   706     pColumns.Append( KMemSpyEngineAOOutputComma );

   707     //

   708     pColumns.AppendFormat( KMemSpyEngineAOOutputDecimalFixed10, RequestStatusValue() );

   709     pColumns.Append( KMemSpyEngineAOOutputComma );

   710     //

   711     pColumns.AppendFormat( KMemSpyEngineAOOutputDecimal, RequestStatusFlags() );

   712     pColumns.Append( KMemSpyEngineAOOutputComma );

   713     //

   714     pColumns.AppendFormat( KMemSpyEngineAOOutputHex, VTable() );

   715     pColumns.Append( KMemSpyEngineAOOutputComma );

   716     //

   717     pColumns.AppendFormat( KMemSpyEngineAOOutputVTable, VTable() );

   718     //

   719     aEngine.Sink().OutputLineL( pColumns );

   720     CleanupStack::PopAndDestroy( columns );

   721     }

   722 

   723 

   724 TPtrC CMemSpyEngineActiveObject::YesNoValue( TBool aValue )

   725     {

   726     _LIT(KYesString, "Yes");

   727     _LIT(KNoString, "No");

   728     //

   729     TPtrC pRet( KNoString );

   730     if  ( aValue )

   731         {

   732         pRet.Set( KYesString );

   733         }

   734     //

   735     return pRet;

   736     }

   737