diff -r 000000000000 -r bde4ae8d615e os/kernelhwsrv/kernel/eka/drivers/debug/smdebug/d_buffer_manager.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/os/kernelhwsrv/kernel/eka/drivers/debug/smdebug/d_buffer_manager.cpp	Fri Jun 15 03:10:57 2012 +0200
@@ -0,0 +1,105 @@
+// 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 the License "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:
+// 
+
+#include <kernel/kernel.h>
+#include "d_buffer_manager.h"
+
+using namespace Debug;
+
+// Global buffer manager
+DBufferManager TheDBufferManager;
+
+DBufferManager::DBufferManager()
+	{
+	}
+
+DBufferManager::~DBufferManager()
+	{
+	for(TInt i=0; i<iBuffers.Count(); i++)
+		{
+		if(iBuffers[i].iSize>0 && iBuffers[i].iValue)
+			{
+			Kern::Free((TAny*)iBuffers[i].iValue);
+			}
+		}
+	
+	iBuffers.Close();
+	}
+
+/**
+ * Creates a buffer and adds it to the buffer manager
+ * @param aBufferDetails Contains the size and tag ID of the buffer to be created and the location
+ *						in which the resulting buffer is created
+ * @return One of the System wide error codes
+ */
+TInt DBufferManager::CreateBuffer(TTag& aBufferDetails)
+	{
+	if(aBufferDetails.iType != ETagTypePointer)
+		{
+		return KErrArgument;
+		}
+	if(aBufferDetails.iSize == 0)
+		{
+		return KErrArgument;
+		}
+
+	for(TInt i=0; i<iBuffers.Count(); i++)
+		{
+		if(iBuffers[i].iTagId == aBufferDetails.iTagId)
+			{
+			return KErrAlreadyExists;
+			}
+		}
+	
+	TAny* buffer = Kern::AllocZ(aBufferDetails.iSize);
+	if(!buffer)
+		{
+		return KErrNoMemory;
+		}
+	
+	aBufferDetails.iValue = (TUint32)buffer;
+	if(KErrNone != iBuffers.Append(aBufferDetails))
+		{
+		Kern::Free(buffer);
+		return KErrNoMemory;
+		}
+	
+	return KErrNone;
+	}
+
+/**
+ * Retrieves buffer details for a given tag
+ * @param aTag The tag for which to get buffer details
+ * @return One of the System wide error codes
+ */
+TInt DBufferManager::GetBufferDetails(const TBufferType aBufferType, TTag& aTag) const
+	{
+	for(TInt i=0; i<iBuffers.Count(); i++)
+		{
+		if(iBuffers[i].iTagId == aBufferType)
+			{
+			aTag = iBuffers[i];
+			return KErrNone;
+			}
+		}
+	
+	aTag.iTagId = aBufferType;
+	aTag.iType = ETagTypePointer;
+	aTag.iSize = 0;
+	aTag.iValue = NULL;
+
+	return KErrNotFound;
+	}
+