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os/kernelhwsrv/kerneltest/e32test/debug/d_context.h
author sl@SLION-WIN7.fritz.box
Fri, 15 Jun 2012 03:10:57 +0200
changeset 0 bde4ae8d615e
permissions -rw-r--r--
First public contribution. 
     1 // Copyright (c) 2003-2009 Nokia Corporation and/or its subsidiary(-ies).

     2 // All rights reserved.

     3 // This component and the accompanying materials are made available

     4 // under the terms of the License "Eclipse Public License v1.0"

     5 // which accompanies this distribution, and is available

     6 // at the URL "http://www.eclipse.org/legal/epl-v10.html".

     7 //

     8 // Initial Contributors:

     9 // Nokia Corporation - initial contribution.

    10 //

    11 // Contributors:

    12 //

    13 // Description:

    14 // e32test/debug/d_context.h

    15 // 

    16 //

    17 

    18 #ifndef __D_CONTEXT_H__

    19 #define __D_CONTEXT_H__

    20 

    21 #include <e32cmn.h>

    22 #ifndef __KLIB_H__

    23 #include <e32std.h>

    24 #endif

    25 #include <kernel/arm/arm_types.h>

    26 

    27 _LIT(KTestLddName, "TestContext");

    28 

    29 enum TUserCallbackState

    30 	{

    31 	ENoCallback,		// thread does nothing special

    32 	ESpinningCallback,	// thread will be given a callback that spins forever

    33 	ESleepingCallback,	// thread will be given a callback that sleeps for a long time

    34 	};

    35 

    36 struct TArmFullContext

    37 	{

    38 	TArmRegSet iUserContext;

    39 	TUint32 iUserAvail;

    40 	TArmRegSet iSystemContext;

    41 	TUint32 iSystemAvail;

    42 	};

    43 

    44 class RContextLdd : public RBusLogicalChannel

    45 	{

    46 public:

    47 	enum 

    48 		{

    49 		EHook,

    50 		EGetLastExc,

    51 		ETrapNextHwExc,

    52 		ETrapNextSwExc,

    53 		ETrapNextDeath,

    54 		ESetGetContext,

    55 		EGetContext,

    56 		EGetKernelContext,

    57 		ESpinInKernel,

    58 		ESetGetFullContext,

    59 		EAddUserCallback,

    60 		EResumeTrappedThread,

    61 		};

    62 

    63 	struct TTrapInfo

    64 		{

    65 		TUint iThreadId;

    66 		TAny* iContextPtr;

    67 		TRequestStatus* iStatusPtr;

    68 		TBool iKillThread;

    69 		};

    70 

    71 public:

    72 	static inline TVersion Version() { return TVersion(1, 0, 1); }

    73 #ifndef __KERNEL_MODE__

    74 public:

    75 	inline RContextLdd();

    76 	inline TInt Open();

    77 	inline TInt Hook(TInt* aCounterPtr);

    78 	inline TExcType LastException();

    79 	inline TBool IsHooked() const;

    80 	inline void TrapNextHwExc(TThreadId aId, TAny* aContext, TRequestStatus& aStatus, TBool aKillThread);

    81 	inline void TrapNextSwExc(TThreadId aId, TAny* aContext, TRequestStatus& aStatus, TBool aKillThread);

    82 	inline void TrapNextDeath(TThreadId aId, TAny* aContext, TRequestStatus& aStatus);

    83 	inline TInt SetAndGetBackContext(TThreadId aId, TAny* aContext);

    84 	inline TInt SetAndGetFullContext(TThreadId aId, TArmFullContext* aContextData);

    85 	inline void GetContext(TThreadId aId, TAny* aContext);

    86 	inline void GetKernelContext(TThreadId aId, TAny* aContext);

    87 	inline TUint32 SpinInKernel(TBool aReallySpin);

    88 	inline void AddUserCallback(TThreadId aId, TUserCallbackState aCallback);

    89 	inline void ResumeTrappedThread(TThreadId aId);

    90 private:

    91 	TBool iHooked;

    92 #endif

    93 	};

    94 

    95 

    96 #ifndef __KERNEL_MODE__

    97 

    98 inline RContextLdd::RContextLdd() 

    99 	: iHooked(EFalse) 

   100 	{

   101 	}

   102 

   103 inline TBool RContextLdd::IsHooked() const 

   104 	{ 

   105 	return iHooked; 

   106 	}

   107 

   108 inline TInt RContextLdd::Open()

   109 	{

   110 	return DoCreate(KTestLddName, Version(), KNullUnit, NULL, NULL, EOwnerProcess);

   111 	}

   112 

   113 inline TInt RContextLdd::Hook(TInt* aCounterPtr)

   114 	{

   115 	TInt r = DoControl(EHook, aCounterPtr);

   116 	iHooked = (r == KErrNone);

   117 	return r;

   118 	}

   119 

   120 inline TExcType RContextLdd::LastException()

   121 	{

   122 	return static_cast<TExcType>(DoControl(EGetLastExc));

   123 	}

   124 

   125 inline void RContextLdd::TrapNextHwExc(TThreadId aId, TAny* aExcContext, TRequestStatus& aStatus, TBool aKillThread)

   126 	{

   127 	aStatus = KRequestPending;

   128 	TTrapInfo info;

   129 	info.iThreadId = aId;

   130 	info.iContextPtr = aExcContext;

   131 	info.iStatusPtr = &aStatus;

   132 	info.iKillThread = aKillThread;

   133 	DoControl(ETrapNextHwExc, &info);

   134 	}

   135 

   136 inline void RContextLdd::TrapNextSwExc(TThreadId aId, TAny* aContext, TRequestStatus& aStatus, TBool aKillThread)

   137 	{

   138 	aStatus = KRequestPending;

   139 	TTrapInfo info;

   140 	info.iThreadId = aId;

   141 	info.iContextPtr = aContext;

   142 	info.iStatusPtr = &aStatus;

   143 	info.iKillThread = aKillThread;

   144 	DoControl(ETrapNextSwExc, &info);

   145 	}

   146 

   147 inline void RContextLdd::TrapNextDeath(TThreadId aId, TAny* aContext, TRequestStatus& aStatus)

   148 	{

   149 	aStatus = KRequestPending;

   150 	TTrapInfo info;

   151 	info.iThreadId = aId;

   152 	info.iContextPtr = aContext;

   153 	info.iStatusPtr = &aStatus;

   154 	DoControl(ETrapNextDeath, &info);

   155 	}

   156 

   157 inline TInt RContextLdd::SetAndGetBackContext(TThreadId aId, TAny* aContext)

   158 	{

   159 	return DoControl(ESetGetContext, (TAny*)(TUint)aId, aContext);

   160 	}

   161 

   162 inline TInt RContextLdd::SetAndGetFullContext(TThreadId aId, TArmFullContext* aContextData)

   163 	{

   164 	return DoControl(ESetGetFullContext, (TAny*)(TUint)aId, (TAny*)aContextData);

   165 	}

   166 

   167 inline void RContextLdd::GetContext(TThreadId aId, TAny* aContext)

   168 	{

   169 	DoControl(EGetContext, (TAny*)(TUint)aId, aContext);

   170 	}

   171 

   172 inline void RContextLdd::GetKernelContext(TThreadId aId, TAny* aContext)

   173 	{

   174 	DoControl(EGetKernelContext, (TAny*)(TUint)aId, aContext);

   175 	}

   176 

   177 inline TUint32 RContextLdd::SpinInKernel(TBool aReallySpin)

   178 	{

   179 	return DoControl(ESpinInKernel, (TAny*)aReallySpin);

   180 	}

   181 

   182 inline void RContextLdd::AddUserCallback(TThreadId aId, TUserCallbackState aCallback)

   183 	{

   184 	DoControl(EAddUserCallback, (TAny*)(TUint)aId, (TAny*)aCallback);

   185 	}

   186 

   187 inline void RContextLdd::ResumeTrappedThread(TThreadId aId)

   188 	{

   189 	DoControl(EResumeTrappedThread, (TAny*)(TUint)aId);

   190 	}

   191 

   192 #endif // __KERNEL_MODE__

   193 

   194 #endif
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