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/*
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* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description:
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*
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*/
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#include "MemSpyDriverLogChanHeapDataUser.h"
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// System includes
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#include <u32hal.h>
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#include <e32rom.h>
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#include <memspy/driver/memspydriverconstants.h>
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#include <memspy/driver/memspydriverobjectsshared.h>
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// Shared includes
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#include "MemSpyDriverOpCodes.h"
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#include "MemSpyDriverObjectsInternal.h"
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// User includes
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#include "MemSpyDriverHeap.h"
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#include "MemSpyDriverUtils.h"
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#include "MemSpyDriverDevice.h"
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#include "MemSpyDriverOSAdaption.h"
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#include "MemSpyDriverHeapWalker.h"
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#include "MemSpyDriverUserEventMonitor.h"
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#include "MemSpyDriverSuspensionManager.h"
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DMemSpyDriverLogChanHeapDataUser::DMemSpyDriverLogChanHeapDataUser( DMemSpyDriverDevice& aDevice, DThread& aThread )
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: DMemSpyDriverLogChanHeapDataBase( aDevice, aThread )
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{
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TRACE( Kern::Printf("DMemSpyDriverLogChanHeapDataUser::DMemSpyDriverLogChanHeapDataUser() - this: 0x%08x", this ));
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}
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TInt DMemSpyDriverLogChanHeapDataUser::Request( TInt aFunction, TAny* a1, TAny* a2 )
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{
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TInt r = DMemSpyDriverLogChanHeapBase::Request( aFunction, a1, a2 );
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if ( r == KErrNone )
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{
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if ( aFunction != EMemSpyDriverOpCodeHeapUserDataFetchCellList )
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{
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ReleaseCellList();
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}
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//
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switch( aFunction )
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{
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case EMemSpyDriverOpCodeHeapUserDataGetInfo:
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r = GetInfoData( (TMemSpyDriverInternalHeapRequestParameters*) a1 );
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break;
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case EMemSpyDriverOpCodeHeapUserDataFetchCellList:
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r = FetchCellList( (TDes8*) a1 );
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break;
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case EMemSpyDriverOpCodeHeapUserDataGetFull:
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r = DMemSpyDriverLogChanHeapDataBase::GetFullData( (TMemSpyDriverInternalHeapDataParams*) a1 );
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break;
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default:
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r = KErrNotSupported;
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break;
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}
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}
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//
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return r;
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}
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TBool DMemSpyDriverLogChanHeapDataUser::IsHandler( TInt aFunction ) const
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{
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return ( aFunction > EMemSpyDriverOpCodeHeapUserDataBase && aFunction < EMemSpyDriverOpCodeHeapUserDataEnd );
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}
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TInt DMemSpyDriverLogChanHeapDataUser::GetInfoData( TMemSpyDriverInternalHeapRequestParameters* aParams )
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{
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TRACE( Kern::Printf("DMemSpyDriverLogChanHeapDataUser::GetInfoData() - START" ) );
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TInt r = Kern::ThreadRawRead( &ClientThread(), aParams, &iHeapInfoParams, sizeof(TMemSpyDriverInternalHeapRequestParameters) );
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if ( r != KErrNone )
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{
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TRACE( Kern::Printf("DMemSpyDriverLogChanHeapDataUser::GetInfoData - params read error: %d", r));
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}
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else
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{
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TRACE( Kern::Printf("DMemSpyDriverLogChanHeapDataUser::GetInfoData - thread id: %d, vtable: 0x%08x, debugAllocator: %d", iHeapInfoParams.iTid, iHeapInfoParams.iRHeapVTable, iHeapInfoParams.iDebugAllocator) );
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r = OpenTempObject( iHeapInfoParams.iTid, EThread );
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if ( r != KErrNone )
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{
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TRACE( Kern::Printf("DMemSpyDriverLogChanHeapDataUser::GetInfoData - thread not found") );
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}
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else
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{
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// Check that the process' thread's are suspended
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DThread* thread = (DThread*) TempObject();
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if ( SuspensionManager().IsSuspended( *thread ) )
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{
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// Open client's heap
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RMemSpyDriverRHeapUser rHeap( OSAdaption() );
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r = rHeap.OpenUserHeap(*thread, iHeapInfoParams.iDebugAllocator);
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TRACE( Kern::Printf("DMemSpyDriverLogChanHeapDataUser::GetInfoData - opening client heap returned: %d", r) );
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if ( r == KErrNone )
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{
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// This object holds all of the info we will accumulate for the client.
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TMemSpyHeapInfo masterHeapInfo;
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masterHeapInfo.SetType(rHeap.GetTypeFromHelper());
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masterHeapInfo.SetTid( iHeapInfoParams.iTid );
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masterHeapInfo.SetPid( OSAdaption().DThread().GetOwningProcessId( *thread ) );
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// This is the RHeap-specific object that contains all RHeap info
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TMemSpyHeapInfoRHeap& rHeapInfo = masterHeapInfo.AsRHeap();
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// We must walk the client's heap in order to build statistics
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TRACE( Kern::Printf("DMemSpyDriverLogChanHeapDataUser::GetInfoData - calling heap walker constructor..."));
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RMemSpyDriverHeapWalker heapWalker(rHeap);
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if (iHeapInfoParams.iBuildFreeCellList || iHeapInfoParams.iBuildAllocCellList)
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{
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heapWalker.SetObserver( this );
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TRACE( Kern::Printf("DMemSpyDriverLogChanHeapDataUser::GetInfoData - collecting cells"));
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}
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else
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{
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TRACE( Kern::Printf("DMemSpyDriverLogChanHeapDataUser::GetInfoData - not collecting cells"));
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}
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TRACE( Kern::Printf("DMemSpyDriverLogChanHeapDataUser::GetInfoData - starting traversal ..." ));
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#if ( defined( TRACE_TYPE_USERHEAP ) && defined( TRACE_TYPE_HEAPWALK ) )
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heapWalker.SetPrintDebug();
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#endif
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if (r == KErrNone) r = heapWalker.Traverse();
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TRACE( Kern::Printf("DMemSpyDriverLogChanHeapDataUser::GetInfoData - finished traversal - err: %d", r ));
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TMemSpyHeapStatisticsRHeap& rHeapStats = rHeapInfo.Statistics();
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heapWalker.CopyStatsTo( rHeapStats );
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// Get remaining meta data that isn't stored elsewhere
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TMemSpyHeapMetaDataRHeap& rHeapMetaData = rHeapInfo.MetaData();
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DChunk& userHeapChunk = rHeap.Chunk();
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TFullName chunkName;
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userHeapChunk.FullName(chunkName);
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rHeapMetaData.SetChunkName( chunkName );
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rHeapMetaData.SetChunkSize( (TUint) OSAdaption().DChunk().GetSize( userHeapChunk ) );
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rHeapMetaData.SetChunkHandle( &userHeapChunk );
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rHeapMetaData.SetChunkBaseAddress( OSAdaption().DChunk().GetBase( userHeapChunk ) );
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rHeapMetaData.SetDebugAllocator(rHeap.Helper()->AllocatorIsUdeb());
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rHeapMetaData.SetUserThread( ETrue );
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rHeapMetaData.iHeapSize = rHeap.Helper()->CommittedSize();
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rHeapMetaData.iAllocatorAddress = (TAny*)rHeap.Helper()->AllocatorAddress();
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rHeapMetaData.iMinHeapSize = rHeap.Helper()->MinCommittedSize();
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rHeapMetaData.iMaxHeapSize = rHeap.Helper()->MaxCommittedSize();
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PrintHeapInfo( masterHeapInfo );
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// Write free cells if requested
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if ( r == KErrNone && (iHeapInfoParams.iBuildFreeCellList || iHeapInfoParams.iBuildAllocCellList))
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{
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r = PrepareCellListTransferBuffer();
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}
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// Update info ready for writing back to the user-side
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if ( r >= KErrNone )
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{
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// Write results back to user-side
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TRACE( Kern::Printf("DMemSpyDriverLogChanHeapDataUser::GetInfoData - writing to user-side..."));
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TMemSpyHeapInfo* userMasterInfo = iHeapInfoParams.iMasterInfo;
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const TInt error = Kern::ThreadRawWrite( &ClientThread(), userMasterInfo, &masterHeapInfo, sizeof(TMemSpyHeapInfo) );
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if ( error < 0 )
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{
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r = error;
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}
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}
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// Release resources
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rHeap.Close();
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}
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}
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else
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{
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r = KErrAccessDenied;
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TRACE( Kern::Printf("DMemSpyDriverLogChanHeapDataUser::GetInfoData - parent process not suspended => KErrAccessDenied"));
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}
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CloseTempObject();
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}
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}
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TRACE( Kern::Printf("DMemSpyDriverLogChanHeapDataUser::GetInfoData() - END - ret: %d", r));
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return r;
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}
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TInt DMemSpyDriverLogChanHeapDataUser::GetFullData( TMemSpyDriverInternalHeapDataParams& aParams )
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{
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TRACE( Kern::Printf("DMemSpyDriverLogChanHeapDataUser::GetFullData() - START") );
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TInt r = OpenTempObject( aParams.iTid, EThread );
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if ( r != KErrNone )
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{
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Kern::Printf("DMemSpyDriverLogChanHeapDataUser::GetFullData() - END - thread not found");
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return r;
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}
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else
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{
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const DMemSpyDriverLogChanHeapBase::TDrmMatchType drmMatchType = IsDrmThread( TempObjectAsThread() );
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if ( drmMatchType != DMemSpyDriverLogChanHeapBase::EMatchTypeNone )
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{
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// Check whether it's a DRM thread...
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DThread* thread = (DThread*) TempObject();
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Kern::Printf("DMemSpyDriverLogChanHeapDataUser::GetFullData() - END - Not allowing dump of DRM heap - matchType: %d, thread: %O", drmMatchType, thread );
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CloseTempObject();
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return KErrAccessDenied;
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}
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}
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// Check that the process' thread's are suspended
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DThread* thread = (DThread*) TempObject();
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if ( SuspensionManager().IsSuspended( *thread ) )
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{
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// Open the heap
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TRACE( Kern::Printf("DMemSpyDriverLogChanHeapDataUser::GetFullData - thread: %O", thread) );
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RMemSpyDriverRHeapUser heap( OSAdaption() );
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r = heap.OpenUserHeap(*thread, aParams.iDebugAllocator);
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TRACE( Kern::Printf("DMemSpyDriverLogChanHeapDataUser::GetFullData - opening heap returned: %d", r) );
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if (r == KErrNone)
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{
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r = DoGetFullData(aParams, thread, heap);
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}
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else
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{
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Kern::Printf("DMemSpyDriverLogChanHeapDataUser::GetFullData - couldnt open heap for thread %O, err=%d", thread, r);
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r = KErrNotSupported;
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}
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heap.Close();
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}
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else
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{
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Kern::Printf("DMemSpyDriverLogChanHeapDataUser::GetFullData - parent process not suspended => KErrAccessDenied - thread: %O", thread );
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r = KErrAccessDenied;
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}
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CloseTempObject();
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TRACE( Kern::Printf("DMemSpyDriverLogChanHeapDataUser::GetFullData() - END - ret: %d", r) );
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return r;
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}
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