author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Mon, 04 Oct 2010 02:45:59 +0300 | |
changeset 55 | f2950aff7424 |
permissions | -rw-r--r-- |
55
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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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|
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#include "MemSpyDriverLogChanHeapDataKernel.h" |
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|
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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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|
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// Shared includes |
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#include "MemSpyDriverOpCodes.h" |
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#include "MemSpyDriverObjectsInternal.h" |
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|
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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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|
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DMemSpyDriverLogChanHeapDataKernel::DMemSpyDriverLogChanHeapDataKernel( DMemSpyDriverDevice& aDevice, DThread& aThread ) |
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: DMemSpyDriverLogChanHeapDataBase( aDevice, aThread ), iKernelHeap( aDevice.OSAdaption() ) |
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{ |
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TRACE( Kern::Printf("DMemSpyDriverLogChanHeapDataKernel::DMemSpyDriverLogChanHeapDataKernel() - this: 0x%08x", this )); |
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} |
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|
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TInt DMemSpyDriverLogChanHeapDataKernel::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 != EMemSpyDriverOpCodeHeapKernelDataFetchCellList ) |
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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 EMemSpyDriverOpCodeHeapKernelDataGetInfo: |
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r = GetInfoData( (TMemSpyDriverInternalHeapRequestParameters*) a1 ); |
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break; |
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case EMemSpyDriverOpCodeHeapKernelDataGetIsDebugKernel: |
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r = GetIsDebugKernel(a1); |
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break; |
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case EMemSpyDriverOpCodeHeapKernelDataFetchCellList: |
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r = FetchCellList( (TDes8*) a1 ); |
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break; |
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case EMemSpyDriverOpCodeHeapKernelDataCopyHeap: |
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r = MakeKernelHeapCopy(); |
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break; |
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case EMemSpyDriverOpCodeHeapKernelDataGetFull: |
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r = DMemSpyDriverLogChanHeapDataBase::GetFullData( (TMemSpyDriverInternalHeapDataParams*) a1 ); |
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break; |
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case EMemSpyDriverOpCodeHeapKernelDataFreeHeapCopy: |
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FreeKernelHeapCopy(); |
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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 DMemSpyDriverLogChanHeapDataKernel::IsHandler( TInt aFunction ) const |
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{ |
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return ( aFunction > EMemSpyDriverOpCodeHeapKernelDataBase && aFunction < EMemSpyDriverOpCodeHeapKernelDataEnd ); |
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} |
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TInt DMemSpyDriverLogChanHeapDataKernel::GetInfoData( TMemSpyDriverInternalHeapRequestParameters* aParams ) |
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{ |
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TRACE( Kern::Printf("DMemSpyDriverLogChanHeapDataKernel::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("DMemSpyDriverLogChanHeapDataKernel::GetInfoDataUser - params read error: %d", r)); |
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} |
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else |
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{ |
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if (iHeapInfoParams.iUseKernelHeapCopy) |
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{ |
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__ASSERT_ALWAYS( iKernelHeap.IsOpen(), MemSpyDriverUtils::PanicThread( ClientThread(), EPanicHeapKernelCopyExpected ) ); |
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r = DMemSpyDriverLogChanHeapDataKernel::GetInfoData(iKernelHeap); |
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} |
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else |
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{ |
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RMemSpyDriverRHeapKernelInPlace rHeap(OSAdaption()); |
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r = rHeap.OpenKernelHeap(); |
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if ( r == KErrNone ) |
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{ |
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r = DMemSpyDriverLogChanHeapDataKernel::GetInfoData(rHeap); |
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} |
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else |
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{ |
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TRACE( Kern::Printf("DMemSpyDriverLogChanHeapDataKernel::GetInfoData() - open err: %d", r ) ); |
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} |
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} |
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} |
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|
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TRACE( Kern::Printf("DMemSpyDriverLogChanHeapDataKernel::GetInfoData() - END - ret: %d", r) ); |
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return r; |
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} |
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|
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TInt DMemSpyDriverLogChanHeapDataKernel::GetInfoData(RMemSpyDriverRHeapBase& aHeap) |
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{ |
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NKern::ThreadEnterCS(); |
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|
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TInt 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(aHeap.GetTypeFromHelper()); |
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masterHeapInfo.SetTid( 2 ); |
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masterHeapInfo.SetPid( 1 ); |
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|
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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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|
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// We must walk the heap in order to build statistics |
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TRACE_KH( Kern::Printf("DMemSpyDriverLogChanHeapDataKernel::GetInfoData - calling heap walker constructor...")); |
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RMemSpyDriverHeapWalker heapWalker(aHeap); |
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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("DMemSpyDriverLogChanHeapDataKernel::GetInfoData - collecting cells")); |
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} |
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else |
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150 |
{ |
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TRACE( Kern::Printf("DMemSpyDriverLogChanHeapDataKernel::GetInfoData - not collecting cells")); |
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} |
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|
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TRACE_KH( Kern::Printf("DMemSpyDriverLogChanHeapDataKernel::GetInfoData - starting traversal..." )); |
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|
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#if defined( TRACE_TYPE_KERNELHEAP ) |
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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_KH( Kern::Printf("DMemSpyDriverLogChanHeapDataKernel::GetInfoData - finished traversal - err: %d", r )); |
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|
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TMemSpyHeapStatisticsRHeap& rHeapStats = rHeapInfo.Statistics(); |
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heapWalker.CopyStatsTo( rHeapStats ); |
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|
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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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TFullName chunkName; |
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aHeap.Chunk().FullName(chunkName); |
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rHeapMetaData.SetChunkName(chunkName); |
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rHeapMetaData.SetChunkSize( (TUint) aHeap.Chunk().Size() ); |
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rHeapMetaData.SetChunkHandle( &aHeap.Chunk() ); |
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rHeapMetaData.SetChunkBaseAddress( OSAdaption().DChunk().GetBase(aHeap.Chunk()) ); |
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rHeapMetaData.SetDebugAllocator(aHeap.Helper()->AllocatorIsUdeb()); |
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rHeapMetaData.SetUserThread( EFalse ); |
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rHeapMetaData.SetSharedHeap( ETrue ); |
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rHeapMetaData.iHeapSize = aHeap.Helper()->CommittedSize(); |
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rHeapMetaData.iAllocatorAddress = (TAny*)aHeap.Helper()->AllocatorAddress(); |
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rHeapMetaData.iMinHeapSize = aHeap.Helper()->MinCommittedSize(); |
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rHeapMetaData.iMaxHeapSize = aHeap.Helper()->MaxCommittedSize(); |
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|
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PrintHeapInfo( masterHeapInfo ); |
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|
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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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|
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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_KH( Kern::Printf("DMemSpyDriverLogChanHeapDataKernel::GetInfoData - writing to user-side...")); |
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TMemSpyHeapInfo* kernelMasterInfo = iHeapInfoParams.iMasterInfo; |
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const TInt error = Kern::ThreadRawWrite( &ClientThread(), kernelMasterInfo, &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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|
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NKern::ThreadLeaveCS(); |
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|
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TRACE( Kern::Printf("DMemSpyDriverLogChanHeapDataKernel::GetInfoData() - END - ret: %d", r) ); |
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return r; |
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} |
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TInt DMemSpyDriverLogChanHeapDataKernel::GetIsDebugKernel(TAny* aResult) |
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{ |
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TRACE( Kern::Printf("DMemSpyDriverLogChanHeapDataKernel::GetIsDebugKernel() - START") ); |
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TInt r = KErrNone; |
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TBool debugKernel = EFalse; |
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NKern::ThreadEnterCS(); |
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RMemSpyDriverRHeapKernelInPlace rHeap(OSAdaption()); |
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r = rHeap.OpenKernelHeap(); |
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TRACE( Kern::Printf("DMemSpyDriverLogChanHeapDataKernel::GetIsDebugKernel() - open kernel heap returned: %d", r) ); |
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if ( r == KErrNone ) |
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{ |
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debugKernel = rHeap.Helper()->AllocatorIsUdeb(); |
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// Tidy up |
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rHeap.Close(); |
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} |
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TRACE( Kern::Printf("DMemSpyDriverLogChanHeapDataKernel::GetIsDebugKernel() - debugKernel: %d", debugKernel) ); |
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// Write back to user-land |
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TRACE( Kern::Printf("DMemSpyDriverLogChanHeapDataKernel::GetIsDebugKernel() - writing to user-side...") ); |
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r = Kern::ThreadRawWrite( &ClientThread(), aResult, &debugKernel, sizeof(TBool) ); |
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NKern::ThreadLeaveCS(); |
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TRACE( Kern::Printf("DMemSpyDriverLogChanHeapDataKernel::GetIsDebugKernel() - END - ret: %d", r) ); |
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return r; |
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} |
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TInt DMemSpyDriverLogChanHeapDataKernel::OpenKernelHeap( RMemSpyDriverRHeapKernelFromCopy& aHeap ) |
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{ |
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TRACE_KH( Kern::Printf("DMemSpyDriverLogChanHeapDataKernel::OpenKernelHeap(CP) - START") ); |
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RAllocatorHelper kernelHeapHelper; |
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TInt r = kernelHeapHelper.OpenKernelHeap(); |
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TRACE_KH( Kern::Printf("DMemSpyDriverLogChanHeapDataKernel::OpenKernelHeap(CP) - open err: %d", r ) ); |
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if ( r == KErrNone ) |
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{ |
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DChunk* kernelChunk = kernelHeapHelper.OpenUnderlyingChunk(); |
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if (kernelChunk) { |
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// TODO can we lock just the kernel heap here to avoid the problem below? |
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// Make a new chunk that we can copy the kernel heap into. We cannot lock the system the entire time |
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// we need to do this, therefore there is no guarantee that the chunk will be large enough to hold the |
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// (current) heap data at the time we need to make the copy. We oversize the chunk by 1mb in the "hope" |
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// that it will be enough... :( |
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TChunkCreateInfo info; |
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info.iType = TChunkCreateInfo::ESharedKernelSingle; |
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info.iMaxSize = kernelChunk->MaxSize() + ( 1024 * 1024 ); |
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info.iOwnsMemory = ETrue; // Use memory from system's free pool |
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info.iDestroyedDfc = NULL; |
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#ifdef __EPOC32__ |
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info.iMapAttr = (TInt)EMapAttrFullyBlocking; // Full caching |
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#endif |
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|
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// Holds a copy of the client's heap chunk |
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DChunk* heapCopyChunk; |
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TLinAddr heapCopyChunkAddress; |
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TUint32 heapCopyChunkMappingAttributes; |
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r = Kern::ChunkCreate( info, heapCopyChunk, heapCopyChunkAddress, heapCopyChunkMappingAttributes ); |
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TRACE_KH( Kern::Printf("DMemSpyDriverLogChanHeapDataKernel::OpenKernelHeap(CP) - creating chunk returned: %d", r)); |
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|
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// Unfortunately we have to commit every page in the copied chunk irrespective of whether that's the case |
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// with the kernel chunk due to mutex ordering enforced by the kernel. See the note about this below. |
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// This results in waste but with the way the kernel heap currently works it's not too bad. |
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// TODO fix this so it's more generic and doesn't rely on details of how the kernel heap works. |
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r = Kern::ChunkCommit(heapCopyChunk, 0, info.iMaxSize); |
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|
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// Keep track of the pages we need to de-commit from the copy |
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// We allocate enough space here so we don't attempt to resise |
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TLinAddr* pageAddrsToDeCommit = new TLinAddr[info.iMaxSize / KPageSize]; |
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TUint pageAddrsToDeCommitIndex = 0; |
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|
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TBool cleanupCopyChunk = EFalse; |
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if ( r == KErrNone ) |
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{ |
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HBuf8* data = HBuf8::New(KPageSize); |
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if (data) |
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{ |
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TAny* dataPtr = (TAny*) data->Ptr(); |
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|
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r = kernelHeapHelper.TryLock(); |
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TInt actualKernelChunkSize = kernelChunk->Size(); |
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|
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if ( r == KErrNone ) |
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{ |
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|
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// We now attempt to copy the kernel heap page by page |
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// This is because the kernel chunk is disconnected and hence can have pages |
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// in the middle of the heap that havent' been committed yet. |
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// TODO can we make this more efficient? |
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TInt err = KErrNone; |
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TUint8* kernChunkAddr = kernelChunk->Base(); |
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TUint8* copyChunkAddr = (TUint8*) heapCopyChunkAddress; |
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while(err == KErrNone && |
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kernChunkAddr < kernelChunk->Base() + kernelChunk->MaxSize()) |
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|
307 |
{ |
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parents:
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|
308 |
XTRAP(err, XT_DEFAULT, memcpy(dataPtr, kernChunkAddr, KPageSize)); |
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|
309 |
if (!err) |
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Revision: 201039
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parents:
diff
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|
310 |
{ |
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Revision: 201039
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
311 |
// It'd be nice if we could just commit the pages of the copy chunk to match |
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Revision: 201039
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parents:
diff
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|
312 |
// the commited pages in the kernel heap here but that violates the following |
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Revision: 201039
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parents:
diff
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|
313 |
// mutex ordering: |
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Revision: 201039
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parents:
diff
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|
314 |
// mutex KernHeap order 8 [from kernelHeapHelper.TryLock()] vs |
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Revision: 201039
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parents:
diff
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|
315 |
// mutex MemoryObjectMutex1 order 9 [from Kern::ChunkCommit()] |
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Revision: 201039
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parents:
diff
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|
316 |
memcpy(copyChunkAddr, dataPtr, KPageSize); |
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Revision: 201039
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parents:
diff
changeset
|
317 |
} |
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Revision: 201039
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parents:
diff
changeset
|
318 |
else |
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Revision: 201039
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parents:
diff
changeset
|
319 |
{ |
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Revision: 201039
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parents:
diff
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|
320 |
// This page in the kernel heap wasn't committed so we can continue onto the next |
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Revision: 201039
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parents:
diff
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|
321 |
err = KErrNone; |
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Revision: 201039
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parents:
diff
changeset
|
322 |
// but we do need to remember this so ... |
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Revision: 201039
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
323 |
pageAddrsToDeCommit[pageAddrsToDeCommitIndex++] = (TLinAddr) copyChunkAddr; |
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Revision: 201039
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
324 |
} |
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Revision: 201039
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parents:
diff
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|
325 |
kernChunkAddr += KPageSize; |
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Revision: 201039
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parents:
diff
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|
326 |
copyChunkAddr += KPageSize; |
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Revision: 201039
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
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|
327 |
} |
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Revision: 201039
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parents:
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|
328 |
kernelHeapHelper.TryUnlock(); |
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Revision: 201039
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
329 |
TRACE_KH( Kern::Printf("DMemSpyDriverLogChanHeapDataKernel::OpenKernelHeap(CP) - copied kernel heap data" )); |
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Revision: 201039
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parents:
diff
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|
330 |
|
f2950aff7424
Revision: 201039
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
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|
331 |
// Now remove the bits we didn't actually need to commit |
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Revision: 201039
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
332 |
for(TUint i=0; i < pageAddrsToDeCommitIndex; i++) |
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Revision: 201039
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parents:
diff
changeset
|
333 |
{ |
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Revision: 201039
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parents:
diff
changeset
|
334 |
r = heapCopyChunk->Decommit(pageAddrsToDeCommit[i], KPageSize); |
f2950aff7424
Revision: 201039
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
335 |
if (r != KErrNone) |
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Revision: 201039
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parents:
diff
changeset
|
336 |
{ |
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Revision: 201039
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
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changeset
|
337 |
break; |
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Revision: 201039
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
338 |
} |
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Revision: 201039
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
339 |
} |
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Revision: 201039
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
340 |
if (r != KErrNone) |
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Revision: 201039
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parents:
diff
changeset
|
341 |
{ |
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Revision: 201039
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
342 |
TInt oversizedEndLength = heapCopyChunk->Size() - actualKernelChunkSize; |
f2950aff7424
Revision: 201039
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
343 |
r = heapCopyChunk->Decommit(actualKernelChunkSize, oversizedEndLength); |
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Revision: 201039
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
344 |
} |
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Revision: 201039
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parents:
diff
changeset
|
345 |
|
f2950aff7424
Revision: 201039
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
346 |
if (r == KErrNone) |
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Revision: 201039
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
347 |
{ |
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Revision: 201039
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
348 |
// Transfer ownership of the copy heap chunk to the heap object. |
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Revision: 201039
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
349 |
TInt offset = (TInt) heapCopyChunkAddress - (TInt) kernelChunk->Base(); |
f2950aff7424
Revision: 201039
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
350 |
TRACE_KH( Kern::Printf("DMemSpyDriverLogChanHeapDataKernel::OpenKernelHeap(CP) - heapCopyChunkAddress: 0x%08x, kernel chunk base: 0x%08x", |
f2950aff7424
Revision: 201039
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
351 |
heapCopyChunkAddress, kernelChunk->Base())); |
f2950aff7424
Revision: 201039
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
352 |
r = aHeap.AssociateWithKernelChunk( kernelChunk, heapCopyChunk, heapCopyChunkAddress, offset ); |
f2950aff7424
Revision: 201039
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
353 |
} |
f2950aff7424
Revision: 201039
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
354 |
else |
f2950aff7424
Revision: 201039
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
355 |
{ |
f2950aff7424
Revision: 201039
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
356 |
TRACE_KH( Kern::Printf("DMemSpyDriverLogChanHeapDataKernel::OpenKernelHeap(CP) - failed to decommit all the unnecessary pages from the copy chunk - %d", r )); |
f2950aff7424
Revision: 201039
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
357 |
cleanupCopyChunk = ETrue; |
f2950aff7424
Revision: 201039
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
358 |
} |
f2950aff7424
Revision: 201039
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
359 |
} |
f2950aff7424
Revision: 201039
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
360 |
else |
f2950aff7424
Revision: 201039
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
361 |
{ |
f2950aff7424
Revision: 201039
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
362 |
TRACE_KH( Kern::Printf("DMemSpyDriverLogChanHeapDataKernel::OpenKernelHeap(CP) - failed to lock the kernel heap" )); |
f2950aff7424
Revision: 201039
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
363 |
cleanupCopyChunk = ETrue; |
f2950aff7424
Revision: 201039
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
364 |
} |
f2950aff7424
Revision: 201039
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
365 |
|
f2950aff7424
Revision: 201039
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
366 |
delete data; |
f2950aff7424
Revision: 201039
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
367 |
} |
f2950aff7424
Revision: 201039
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
368 |
else |
f2950aff7424
Revision: 201039
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
369 |
{ |
f2950aff7424
Revision: 201039
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
370 |
TRACE_KH( Kern::Printf("Failed to allocate a 4K buffer" ) ); |
f2950aff7424
Revision: 201039
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
371 |
r = KErrNoMemory; |
f2950aff7424
Revision: 201039
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
372 |
cleanupCopyChunk = ETrue; |
f2950aff7424
Revision: 201039
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
373 |
} |
f2950aff7424
Revision: 201039
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
374 |
} |
f2950aff7424
Revision: 201039
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
375 |
else |
f2950aff7424
Revision: 201039
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
376 |
{ |
f2950aff7424
Revision: 201039
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
377 |
TRACE_KH( Kern::Printf("DMemSpyDriverLogChanHeapDataKernel::OpenKernelHeap(CP) - copy chunk create error: %d", r ) ); |
f2950aff7424
Revision: 201039
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parents:
diff
changeset
|
378 |
cleanupCopyChunk = ETrue; |
f2950aff7424
Revision: 201039
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
379 |
} |
f2950aff7424
Revision: 201039
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
380 |
|
f2950aff7424
Revision: 201039
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
381 |
if (cleanupCopyChunk) |
f2950aff7424
Revision: 201039
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
382 |
{ |
f2950aff7424
Revision: 201039
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
383 |
NKern::ThreadEnterCS(); |
f2950aff7424
Revision: 201039
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
384 |
Kern::ChunkClose( heapCopyChunk ); |
f2950aff7424
Revision: 201039
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
385 |
heapCopyChunk = NULL; |
f2950aff7424
Revision: 201039
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
386 |
NKern::ThreadLeaveCS(); |
f2950aff7424
Revision: 201039
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
387 |
} |
f2950aff7424
Revision: 201039
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
388 |
|
f2950aff7424
Revision: 201039
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
389 |
delete[] pageAddrsToDeCommit; |
f2950aff7424
Revision: 201039
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
390 |
pageAddrsToDeCommit = NULL; |
f2950aff7424
Revision: 201039
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
391 |
} |
f2950aff7424
Revision: 201039
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
392 |
else |
f2950aff7424
Revision: 201039
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
393 |
{ |
f2950aff7424
Revision: 201039
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
394 |
TRACE_KH( Kern::Printf("DMemSpyDriverLogChanHeapDataKernel::OpenKernelHeap(CP) - failed to open the kernel chunk" ) ); |
f2950aff7424
Revision: 201039
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
395 |
} |
f2950aff7424
Revision: 201039
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
396 |
} |
f2950aff7424
Revision: 201039
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
397 |
else |
f2950aff7424
Revision: 201039
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
398 |
{ |
f2950aff7424
Revision: 201039
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
399 |
TRACE_KH( Kern::Printf("DMemSpyDriverLogChanHeapDataKernel::OpenKernelHeap(CP) - failed to open the kernel heap: %d", r ) ); |
f2950aff7424
Revision: 201039
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
400 |
} |
f2950aff7424
Revision: 201039
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
401 |
|
f2950aff7424
Revision: 201039
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
402 |
kernelHeapHelper.Close(); |
f2950aff7424
Revision: 201039
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
403 |
|
f2950aff7424
Revision: 201039
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
404 |
if ( r != KErrNone ) |
f2950aff7424
Revision: 201039
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
405 |
{ |
f2950aff7424
Revision: 201039
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
406 |
aHeap.Close(); // also deals with the chunk |
f2950aff7424
Revision: 201039
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
407 |
} |
f2950aff7424
Revision: 201039
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
408 |
|
f2950aff7424
Revision: 201039
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
409 |
|
f2950aff7424
Revision: 201039
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
410 |
TRACE_KH( Kern::Printf("DMemSpyDriverLogChanHeapDataKernel::OpenKernelHeap(CP) - END - ret: %d", r ) ); |
f2950aff7424
Revision: 201039
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
411 |
return r; |
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} |
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TInt DMemSpyDriverLogChanHeapDataKernel::MakeKernelHeapCopy() |
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{ |
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// First phase is to |
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// a) Open kernel heap |
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// b) Make a copy of the heap data |
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// |
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// The driver leaves kernel context with the copy of the kernel heap still associated with MemSpy's process. |
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// The second driver call will copy the chunk data to user side and release the kernel side chunk. |
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iKernelHeap.Reset(); |
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NKern::ThreadEnterCS(); |
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TInt r = OpenKernelHeap( iKernelHeap ); |
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TRACE_KH( Kern::Printf("DMemSpyDriverLogChanHeapDataKernel::GetFullDataInit() - open err: %d", r)); |
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NKern::ThreadLeaveCS(); |
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TRACE_KH( Kern::Printf("DMemSpyDriverLogChanHeapDataKernel::GetFullDataInit() - END - ret: %d", r)); |
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return r; |
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} |
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void DMemSpyDriverLogChanHeapDataKernel::FreeKernelHeapCopy() |
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{ |
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iKernelHeap.Close(); |
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} |
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TInt DMemSpyDriverLogChanHeapDataKernel::GetFullData( TMemSpyDriverInternalHeapDataParams& aParams ) |
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{ |
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TRACE( Kern::Printf("DMemSpyDriverLogChanHeapDataKernel::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("DMemSpyDriverLogChanHeapDataKernel::GetFullData() - END - thread not found"); |
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return r; |
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} |
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// Don't need to check if the kernel heap contains DRM data unlike for user heaps |
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DThread* thread = (DThread*) TempObject(); |
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TRACE( Kern::Printf("DMemSpyDriverLogChanHeapDataKernel::GetFullData - thread: %O", thread) ); |
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r = DoGetFullData(aParams, thread, iKernelHeap); |
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CloseTempObject(); |
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TRACE( Kern::Printf("DMemSpyDriverLogChanHeapDataKernel::GetFullData() - END - ret: %d", r) ); |
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return r; |
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} |