sl@0: // Copyright (c) 2003-2009 Nokia Corporation and/or its subsidiary(-ies).
sl@0: // All rights reserved.
sl@0: // This component and the accompanying materials are made available
sl@0: // under the terms of the License "Eclipse Public License v1.0"
sl@0: // which accompanies this distribution, and is available
sl@0: // at the URL "http://www.eclipse.org/legal/epl-v10.html".
sl@0: //
sl@0: // Initial Contributors:
sl@0: // Nokia Corporation - initial contribution.
sl@0: //
sl@0: // Contributors:
sl@0: //
sl@0: // Description:
sl@0: // e32test/debug/d_context.h
sl@0: // 
sl@0: //
sl@0: 
sl@0: #ifndef __D_CONTEXT_H__
sl@0: #define __D_CONTEXT_H__
sl@0: 
sl@0: #include <e32cmn.h>
sl@0: #ifndef __KLIB_H__
sl@0: #include <e32std.h>
sl@0: #endif
sl@0: #include <kernel/arm/arm_types.h>
sl@0: 
sl@0: _LIT(KTestLddName, "TestContext");
sl@0: 
sl@0: enum TUserCallbackState
sl@0: 	{
sl@0: 	ENoCallback,		// thread does nothing special
sl@0: 	ESpinningCallback,	// thread will be given a callback that spins forever
sl@0: 	ESleepingCallback,	// thread will be given a callback that sleeps for a long time
sl@0: 	};
sl@0: 
sl@0: struct TArmFullContext
sl@0: 	{
sl@0: 	TArmRegSet iUserContext;
sl@0: 	TUint32 iUserAvail;
sl@0: 	TArmRegSet iSystemContext;
sl@0: 	TUint32 iSystemAvail;
sl@0: 	};
sl@0: 
sl@0: class RContextLdd : public RBusLogicalChannel
sl@0: 	{
sl@0: public:
sl@0: 	enum 
sl@0: 		{
sl@0: 		EHook,
sl@0: 		EGetLastExc,
sl@0: 		ETrapNextHwExc,
sl@0: 		ETrapNextSwExc,
sl@0: 		ETrapNextDeath,
sl@0: 		ESetGetContext,
sl@0: 		EGetContext,
sl@0: 		EGetKernelContext,
sl@0: 		ESpinInKernel,
sl@0: 		ESetGetFullContext,
sl@0: 		EAddUserCallback,
sl@0: 		EResumeTrappedThread,
sl@0: 		};
sl@0: 
sl@0: 	struct TTrapInfo
sl@0: 		{
sl@0: 		TUint iThreadId;
sl@0: 		TAny* iContextPtr;
sl@0: 		TRequestStatus* iStatusPtr;
sl@0: 		TBool iKillThread;
sl@0: 		};
sl@0: 
sl@0: public:
sl@0: 	static inline TVersion Version() { return TVersion(1, 0, 1); }
sl@0: #ifndef __KERNEL_MODE__
sl@0: public:
sl@0: 	inline RContextLdd();
sl@0: 	inline TInt Open();
sl@0: 	inline TInt Hook(TInt* aCounterPtr);
sl@0: 	inline TExcType LastException();
sl@0: 	inline TBool IsHooked() const;
sl@0: 	inline void TrapNextHwExc(TThreadId aId, TAny* aContext, TRequestStatus& aStatus, TBool aKillThread);
sl@0: 	inline void TrapNextSwExc(TThreadId aId, TAny* aContext, TRequestStatus& aStatus, TBool aKillThread);
sl@0: 	inline void TrapNextDeath(TThreadId aId, TAny* aContext, TRequestStatus& aStatus);
sl@0: 	inline TInt SetAndGetBackContext(TThreadId aId, TAny* aContext);
sl@0: 	inline TInt SetAndGetFullContext(TThreadId aId, TArmFullContext* aContextData);
sl@0: 	inline void GetContext(TThreadId aId, TAny* aContext);
sl@0: 	inline void GetKernelContext(TThreadId aId, TAny* aContext);
sl@0: 	inline TUint32 SpinInKernel(TBool aReallySpin);
sl@0: 	inline void AddUserCallback(TThreadId aId, TUserCallbackState aCallback);
sl@0: 	inline void ResumeTrappedThread(TThreadId aId);
sl@0: private:
sl@0: 	TBool iHooked;
sl@0: #endif
sl@0: 	};
sl@0: 
sl@0: 
sl@0: #ifndef __KERNEL_MODE__
sl@0: 
sl@0: inline RContextLdd::RContextLdd() 
sl@0: 	: iHooked(EFalse) 
sl@0: 	{
sl@0: 	}
sl@0: 
sl@0: inline TBool RContextLdd::IsHooked() const 
sl@0: 	{ 
sl@0: 	return iHooked; 
sl@0: 	}
sl@0: 
sl@0: inline TInt RContextLdd::Open()
sl@0: 	{
sl@0: 	return DoCreate(KTestLddName, Version(), KNullUnit, NULL, NULL, EOwnerProcess);
sl@0: 	}
sl@0: 
sl@0: inline TInt RContextLdd::Hook(TInt* aCounterPtr)
sl@0: 	{
sl@0: 	TInt r = DoControl(EHook, aCounterPtr);
sl@0: 	iHooked = (r == KErrNone);
sl@0: 	return r;
sl@0: 	}
sl@0: 
sl@0: inline TExcType RContextLdd::LastException()
sl@0: 	{
sl@0: 	return static_cast<TExcType>(DoControl(EGetLastExc));
sl@0: 	}
sl@0: 
sl@0: inline void RContextLdd::TrapNextHwExc(TThreadId aId, TAny* aExcContext, TRequestStatus& aStatus, TBool aKillThread)
sl@0: 	{
sl@0: 	aStatus = KRequestPending;
sl@0: 	TTrapInfo info;
sl@0: 	info.iThreadId = aId;
sl@0: 	info.iContextPtr = aExcContext;
sl@0: 	info.iStatusPtr = &aStatus;
sl@0: 	info.iKillThread = aKillThread;
sl@0: 	DoControl(ETrapNextHwExc, &info);
sl@0: 	}
sl@0: 
sl@0: inline void RContextLdd::TrapNextSwExc(TThreadId aId, TAny* aContext, TRequestStatus& aStatus, TBool aKillThread)
sl@0: 	{
sl@0: 	aStatus = KRequestPending;
sl@0: 	TTrapInfo info;
sl@0: 	info.iThreadId = aId;
sl@0: 	info.iContextPtr = aContext;
sl@0: 	info.iStatusPtr = &aStatus;
sl@0: 	info.iKillThread = aKillThread;
sl@0: 	DoControl(ETrapNextSwExc, &info);
sl@0: 	}
sl@0: 
sl@0: inline void RContextLdd::TrapNextDeath(TThreadId aId, TAny* aContext, TRequestStatus& aStatus)
sl@0: 	{
sl@0: 	aStatus = KRequestPending;
sl@0: 	TTrapInfo info;
sl@0: 	info.iThreadId = aId;
sl@0: 	info.iContextPtr = aContext;
sl@0: 	info.iStatusPtr = &aStatus;
sl@0: 	DoControl(ETrapNextDeath, &info);
sl@0: 	}
sl@0: 
sl@0: inline TInt RContextLdd::SetAndGetBackContext(TThreadId aId, TAny* aContext)
sl@0: 	{
sl@0: 	return DoControl(ESetGetContext, (TAny*)(TUint)aId, aContext);
sl@0: 	}
sl@0: 
sl@0: inline TInt RContextLdd::SetAndGetFullContext(TThreadId aId, TArmFullContext* aContextData)
sl@0: 	{
sl@0: 	return DoControl(ESetGetFullContext, (TAny*)(TUint)aId, (TAny*)aContextData);
sl@0: 	}
sl@0: 
sl@0: inline void RContextLdd::GetContext(TThreadId aId, TAny* aContext)
sl@0: 	{
sl@0: 	DoControl(EGetContext, (TAny*)(TUint)aId, aContext);
sl@0: 	}
sl@0: 
sl@0: inline void RContextLdd::GetKernelContext(TThreadId aId, TAny* aContext)
sl@0: 	{
sl@0: 	DoControl(EGetKernelContext, (TAny*)(TUint)aId, aContext);
sl@0: 	}
sl@0: 
sl@0: inline TUint32 RContextLdd::SpinInKernel(TBool aReallySpin)
sl@0: 	{
sl@0: 	return DoControl(ESpinInKernel, (TAny*)aReallySpin);
sl@0: 	}
sl@0: 
sl@0: inline void RContextLdd::AddUserCallback(TThreadId aId, TUserCallbackState aCallback)
sl@0: 	{
sl@0: 	DoControl(EAddUserCallback, (TAny*)(TUint)aId, (TAny*)aCallback);
sl@0: 	}
sl@0: 
sl@0: inline void RContextLdd::ResumeTrappedThread(TThreadId aId)
sl@0: 	{
sl@0: 	DoControl(EResumeTrappedThread, (TAny*)(TUint)aId);
sl@0: 	}
sl@0: 
sl@0: #endif // __KERNEL_MODE__
sl@0: 
sl@0: #endif