diff -r 000000000000 -r bde4ae8d615e os/kernelhwsrv/kerneltest/e32test/debug/d_codemodifier.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/os/kernelhwsrv/kerneltest/e32test/debug/d_codemodifier.cpp	Fri Jun 15 03:10:57 2012 +0200
@@ -0,0 +1,165 @@
+// Copyright (c) 2005-2009 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:
+// e32test\debug\d_codemodifier.cpp
+// See e32test\debug\t_codemodifier.cpp for details
+// 
+//
+
+#include "d_codemodifier.h"
+#include <kernel/kern_priv.h>
+#include <kernel/cache.h>
+
+class DCodeModifier : public DLogicalChannelBase
+	{
+public:
+	DCodeModifier();
+	~DCodeModifier();
+	static TBool Handler (const TDesC8& aText, TTraceSource aTraceSource);
+protected:
+	virtual TInt DoCreate(TInt aUnit, const TDesC8* anInfo, const TVersion& aVer);
+	virtual TInt Request(TInt aFunction, TAny* a1, TAny* a2);
+private:
+	DThread* iThread[2];
+	};
+
+DCodeModifier* CodeModifierDriver;
+
+DCodeModifier::DCodeModifier() 
+	{
+	}
+
+DCodeModifier::~DCodeModifier()
+	{
+	CodeModifierDriver = NULL;
+	}
+
+
+/**Creates the channel*/
+TInt DCodeModifier::DoCreate(TInt /*aUnit*/, const TDesC8* /*anInfo*/, const TVersion& /*aVer*/)
+	{
+	return KErrNone;
+	}
+
+/**User side request entry point.*/
+TInt DCodeModifier::Request(TInt aFunction, TAny* a1, TAny* a2)
+	{
+	TInt r = KErrNone;
+	RCodeModifierDevice::TData data;
+
+	kumemget(&data,a1,sizeof(data));
+	switch (aFunction)
+	{
+		case RCodeModifierDevice::EControlThreadId:
+			{
+			DObjectCon* threads=Kern::Containers()[EThread];
+			NKern::ThreadEnterCS();
+			threads->Wait();
+			iThread[data.iServer]=Kern::ThreadFromId(data.iThreadId);
+			if(!iThread[data.iServer])
+				r=KErrNotFound;
+			threads->Signal();
+			NKern::ThreadLeaveCS();
+			}
+			break;
+
+		case RCodeModifierDevice::EControlReadWord:
+			{	
+			TInt val;
+			r = Kern::ThreadRawRead(iThread[data.iServer], (const TAny*) data.iAddress, (TAny*) &val, sizeof(TInt));
+			kumemput(a2,&val,sizeof(TInt));
+			}
+			break;
+
+		case RCodeModifierDevice::EControlWriteWord:
+			r = Kern::ThreadRawWrite(iThread[data.iServer], (TAny*)data.iAddress,(const TAny*) &a2, sizeof(TInt));
+			break;
+
+		case RCodeModifierDevice::EControlWriteCode:
+			r = DebugSupport::ModifyCode(iThread[data.iServer], (TLinAddr) data.iAddress, data.iSize, (TUint)a2, DebugSupport::EBreakpointGlobal);
+			if (r == DebugSupport::EBreakpointGlobal)
+				r = KErrNone;	
+			break;
+
+		case RCodeModifierDevice::EControlRestoreCode:
+			r = DebugSupport::RestoreCode(iThread[data.iServer], (TLinAddr)data.iAddress);	
+			break;
+
+		case RCodeModifierDevice::EInitialiseCodeModifier:
+			{
+			TUint cap;
+			r = DebugSupport::InitialiseCodeModifier(cap,data.iSize);
+			if (r && (cap!=DebugSupport::EBreakpointGlobal))
+				r = KErrGeneral;
+			}
+			break;
+
+		case RCodeModifierDevice::ECloseCodeModifier:
+			DebugSupport::CloseCodeModifier();
+			break;
+			
+		case RCodeModifierDevice::EControlAllocShadowPage:
+			NKern::ThreadEnterCS();
+			r = Epoc::AllocShadowPage(data.iAddress & ~(Kern::RoundToPageSize(1)-1));
+			NKern::ThreadLeaveCS();
+			break;
+
+		case RCodeModifierDevice::EControlFreeShadowPage:
+			NKern::ThreadEnterCS();
+			r = Epoc::FreeShadowPage(data.iAddress & ~(Kern::RoundToPageSize(1)-1));
+			NKern::ThreadLeaveCS();
+			break;
+
+		default:
+			r=KErrNotSupported;
+		}
+	return r;
+	}
+
+//////////////////////////////////////////
+class DTestFactory : public DLogicalDevice
+	{
+public:
+	DTestFactory();
+	// from DLogicalDevice
+	virtual TInt Install();
+	virtual void GetCaps(TDes8& aDes) const;
+	virtual TInt Create(DLogicalChannelBase*& aChannel);
+	};
+
+DTestFactory::DTestFactory()
+    {
+    iParseMask = KDeviceAllowUnit;
+    iUnitsMask = 0x3;
+    }
+
+TInt DTestFactory::Create(DLogicalChannelBase*& aChannel)
+    {
+	CodeModifierDriver = new DCodeModifier;
+	aChannel = CodeModifierDriver;
+	return (aChannel ? KErrNone : KErrNoMemory);
+    }
+
+TInt DTestFactory::Install()
+    {
+    return SetName(&KCodeModifierName);
+    }
+
+void DTestFactory::GetCaps(TDes8& /*aDes*/) const
+    {
+    }
+
+DECLARE_STANDARD_LDD()
+	{
+    return new DTestFactory;
+	}