1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/os/kernelhwsrv/kerneltest/e32test/debug/d_codemodifier.cpp	Fri Jun 15 03:10:57 2012 +0200
     1.3 @@ -0,0 +1,165 @@
     1.4 +// Copyright (c) 2005-2009 Nokia Corporation and/or its subsidiary(-ies).
     1.5 +// All rights reserved.
     1.6 +// This component and the accompanying materials are made available
     1.7 +// under the terms of the License "Eclipse Public License v1.0"
     1.8 +// which accompanies this distribution, and is available
     1.9 +// at the URL "http://www.eclipse.org/legal/epl-v10.html".
    1.10 +//
    1.11 +// Initial Contributors:
    1.12 +// Nokia Corporation - initial contribution.
    1.13 +//
    1.14 +// Contributors:
    1.15 +//
    1.16 +// Description:
    1.17 +// e32test\debug\d_codemodifier.cpp
    1.18 +// See e32test\debug\t_codemodifier.cpp for details
    1.19 +// 
    1.20 +//
    1.21 +
    1.22 +#include "d_codemodifier.h"
    1.23 +#include <kernel/kern_priv.h>
    1.24 +#include <kernel/cache.h>
    1.25 +
    1.26 +class DCodeModifier : public DLogicalChannelBase
    1.27 +	{
    1.28 +public:
    1.29 +	DCodeModifier();
    1.30 +	~DCodeModifier();
    1.31 +	static TBool Handler (const TDesC8& aText, TTraceSource aTraceSource);
    1.32 +protected:
    1.33 +	virtual TInt DoCreate(TInt aUnit, const TDesC8* anInfo, const TVersion& aVer);
    1.34 +	virtual TInt Request(TInt aFunction, TAny* a1, TAny* a2);
    1.35 +private:
    1.36 +	DThread* iThread[2];
    1.37 +	};
    1.38 +
    1.39 +DCodeModifier* CodeModifierDriver;
    1.40 +
    1.41 +DCodeModifier::DCodeModifier() 
    1.42 +	{
    1.43 +	}
    1.44 +
    1.45 +DCodeModifier::~DCodeModifier()
    1.46 +	{
    1.47 +	CodeModifierDriver = NULL;
    1.48 +	}
    1.49 +
    1.50 +
    1.51 +/**Creates the channel*/
    1.52 +TInt DCodeModifier::DoCreate(TInt /*aUnit*/, const TDesC8* /*anInfo*/, const TVersion& /*aVer*/)
    1.53 +	{
    1.54 +	return KErrNone;
    1.55 +	}
    1.56 +
    1.57 +/**User side request entry point.*/
    1.58 +TInt DCodeModifier::Request(TInt aFunction, TAny* a1, TAny* a2)
    1.59 +	{
    1.60 +	TInt r = KErrNone;
    1.61 +	RCodeModifierDevice::TData data;
    1.62 +
    1.63 +	kumemget(&data,a1,sizeof(data));
    1.64 +	switch (aFunction)
    1.65 +	{
    1.66 +		case RCodeModifierDevice::EControlThreadId:
    1.67 +			{
    1.68 +			DObjectCon* threads=Kern::Containers()[EThread];
    1.69 +			NKern::ThreadEnterCS();
    1.70 +			threads->Wait();
    1.71 +			iThread[data.iServer]=Kern::ThreadFromId(data.iThreadId);
    1.72 +			if(!iThread[data.iServer])
    1.73 +				r=KErrNotFound;
    1.74 +			threads->Signal();
    1.75 +			NKern::ThreadLeaveCS();
    1.76 +			}
    1.77 +			break;
    1.78 +
    1.79 +		case RCodeModifierDevice::EControlReadWord:
    1.80 +			{	
    1.81 +			TInt val;
    1.82 +			r = Kern::ThreadRawRead(iThread[data.iServer], (const TAny*) data.iAddress, (TAny*) &val, sizeof(TInt));
    1.83 +			kumemput(a2,&val,sizeof(TInt));
    1.84 +			}
    1.85 +			break;
    1.86 +
    1.87 +		case RCodeModifierDevice::EControlWriteWord:
    1.88 +			r = Kern::ThreadRawWrite(iThread[data.iServer], (TAny*)data.iAddress,(const TAny*) &a2, sizeof(TInt));
    1.89 +			break;
    1.90 +
    1.91 +		case RCodeModifierDevice::EControlWriteCode:
    1.92 +			r = DebugSupport::ModifyCode(iThread[data.iServer], (TLinAddr) data.iAddress, data.iSize, (TUint)a2, DebugSupport::EBreakpointGlobal);
    1.93 +			if (r == DebugSupport::EBreakpointGlobal)
    1.94 +				r = KErrNone;	
    1.95 +			break;
    1.96 +
    1.97 +		case RCodeModifierDevice::EControlRestoreCode:
    1.98 +			r = DebugSupport::RestoreCode(iThread[data.iServer], (TLinAddr)data.iAddress);	
    1.99 +			break;
   1.100 +
   1.101 +		case RCodeModifierDevice::EInitialiseCodeModifier:
   1.102 +			{
   1.103 +			TUint cap;
   1.104 +			r = DebugSupport::InitialiseCodeModifier(cap,data.iSize);
   1.105 +			if (r && (cap!=DebugSupport::EBreakpointGlobal))
   1.106 +				r = KErrGeneral;
   1.107 +			}
   1.108 +			break;
   1.109 +
   1.110 +		case RCodeModifierDevice::ECloseCodeModifier:
   1.111 +			DebugSupport::CloseCodeModifier();
   1.112 +			break;
   1.113 +			
   1.114 +		case RCodeModifierDevice::EControlAllocShadowPage:
   1.115 +			NKern::ThreadEnterCS();
   1.116 +			r = Epoc::AllocShadowPage(data.iAddress & ~(Kern::RoundToPageSize(1)-1));
   1.117 +			NKern::ThreadLeaveCS();
   1.118 +			break;
   1.119 +
   1.120 +		case RCodeModifierDevice::EControlFreeShadowPage:
   1.121 +			NKern::ThreadEnterCS();
   1.122 +			r = Epoc::FreeShadowPage(data.iAddress & ~(Kern::RoundToPageSize(1)-1));
   1.123 +			NKern::ThreadLeaveCS();
   1.124 +			break;
   1.125 +
   1.126 +		default:
   1.127 +			r=KErrNotSupported;
   1.128 +		}
   1.129 +	return r;
   1.130 +	}
   1.131 +
   1.132 +//////////////////////////////////////////
   1.133 +class DTestFactory : public DLogicalDevice
   1.134 +	{
   1.135 +public:
   1.136 +	DTestFactory();
   1.137 +	// from DLogicalDevice
   1.138 +	virtual TInt Install();
   1.139 +	virtual void GetCaps(TDes8& aDes) const;
   1.140 +	virtual TInt Create(DLogicalChannelBase*& aChannel);
   1.141 +	};
   1.142 +
   1.143 +DTestFactory::DTestFactory()
   1.144 +    {
   1.145 +    iParseMask = KDeviceAllowUnit;
   1.146 +    iUnitsMask = 0x3;
   1.147 +    }
   1.148 +
   1.149 +TInt DTestFactory::Create(DLogicalChannelBase*& aChannel)
   1.150 +    {
   1.151 +	CodeModifierDriver = new DCodeModifier;
   1.152 +	aChannel = CodeModifierDriver;
   1.153 +	return (aChannel ? KErrNone : KErrNoMemory);
   1.154 +    }
   1.155 +
   1.156 +TInt DTestFactory::Install()
   1.157 +    {
   1.158 +    return SetName(&KCodeModifierName);
   1.159 +    }
   1.160 +
   1.161 +void DTestFactory::GetCaps(TDes8& /*aDes*/) const
   1.162 +    {
   1.163 +    }
   1.164 +
   1.165 +DECLARE_STANDARD_LDD()
   1.166 +	{
   1.167 +    return new DTestFactory;
   1.168 +	}