--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/memspy/Driver/Kernel/Include/SubChannels/MemSpyDriverLogChanHeapBase.h Tue Feb 02 01:57:15 2010 +0200
@@ -0,0 +1,95 @@
+/*
+* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description:
+*
+*/
+
+#ifndef MEMSPYDRIVERLOGICALCHANHEAPBASE_H
+#define MEMSPYDRIVERLOGICALCHANHEAPBASE_H
+
+// System includes
+#include <kern_priv.h>
+#include <memspy/driver/memspydriverobjectsshared.h>
+#include <memspy/driver/memspydriverenumerationsshared.h>
+
+// User includes
+#include "MemSpyDriverOpCodes.h"
+#include "MemSpyDriverLogChanBase.h"
+#include "MemSpyDriverObjectsInternal.h"
+#include "MemSpyDriverHeapWalker.h"
+#include "MemSpyDriverEnumerationsInternal.h"
+
+// Classes referenced
+class TMemSpyHeapInfo;
+class DMemSpyDriverDevice;
+class RMemSpyDriverRHeapUser;
+class RMemSpyMemStreamWriter;
+class RMemSpyDriverRHeapKernelInPlace;
+class RMemSpyDriverRHeapKernelFromCopy;
+
+
+class DMemSpyDriverLogChanHeapBase : public DMemSpyDriverLogChanBase, public MMemSpyHeapWalkerObserver
+ {
+public:
+ enum TDrmMatchType
+ {
+ EMatchTypeNone = 0,
+ EMatchTypeName,
+ EMatchTypeUid
+ };
+public:
+ ~DMemSpyDriverLogChanHeapBase();
+
+protected:
+ DMemSpyDriverLogChanHeapBase( DMemSpyDriverDevice& aDevice, DThread& aThread );
+ TInt Construct();
+
+protected: // From DMemSpyDriverLogChanBase
+ TInt Request( TInt aFunction, TAny* a1, TAny* a2 );
+
+protected: // Capability checks for heap access
+ TDrmMatchType IsDrmThread( DThread& aThread );
+
+private: // From MHeapWalkerObserver
+ void HandleHeapWalkInit();
+ TBool HandleHeapCell( TInt aCellType, TAny* aCellAddress, TInt aLength, TInt aNestingLevel, TInt aAllocNumber );
+
+protected: // Heap utility functions
+ TInt OpenKernelHeap( RHeapK*& aHeap, DChunk*& aChunk, TDes8* aClientHeapChunkName = NULL );
+ TInt OpenKernelHeap( RMemSpyDriverRHeapKernelInPlace& aHeap, TDes8* aClientHeapChunkName = NULL );
+ TInt OpenKernelHeap( RMemSpyDriverRHeapKernelFromCopy& aHeap, TDes8* aClientHeapChunkName = NULL );
+ TInt OpenUserHeap( DThread& aClientThread, TUint aExpectedHeapVTable, RMemSpyDriverRHeapUser& aHeap, DChunk*& aUserHeapChunk, TDes8* aClientHeapChunkName = NULL );
+ TBool GetUserHeapHandle( DThread& aThread, RMemSpyDriverRHeapUser& aHeap, TUint aExpectedVTable );
+ TBool IsDebugKernel();
+ TBool IsDebugKernel( RMemSpyDriverRHeapKernelInPlace& aHeap );
+ TInt GetHeapInfoKernel( RMemSpyDriverRHeapBase& aHeap, TBool aIsDebugAllocator, const TDesC8& aChunkName, TMemSpyHeapInfo* aHeapInfo, TDes8* aTransferBuffer );
+ void PrintHeapInfo( const TMemSpyHeapInfo& aInfo );
+
+protected: // Free cells
+ void ReleaseFreeCells();
+ TInt PrepareFreeCellTransferBuffer();
+ TInt FetchFreeCells( TDes8* aBufferSink );
+ TInt CalculateFreeCellBufferSize() const;
+
+private: // Data members
+ RArray< TMemSpyDriverFreeCell > iFreeCells;
+
+ // Points to stack-based object whilst walking in progress
+ RMemSpyMemStreamWriter* iStackStream;
+ RMemSpyMemStreamWriter* iHeapStream;
+ TInt iFreeCellCount;
+ };
+
+
+#endif