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