perfsrv/memspy/Driver/Kernel/Source/MemSpyDriverHeap.cpp
changeset 55 f2950aff7424
parent 48 516af714ebb4
child 62 1c2bb2fc7c87
equal deleted inserted replaced
48:516af714ebb4 55:f2950aff7424
   107     Kern::Printf(" " );
   107     Kern::Printf(" " );
   108 #endif
   108 #endif
   109 	*/
   109 	*/
   110     }
   110     }
   111 
   111 
   112 RMemSpyDriverRHeapReadFromCopy::RMemSpyDriverRHeapReadFromCopy( DMemSpyDriverOSAdaption& aOSAdaption )
   112 
   113 :   iOSAdaption( aOSAdaption ), iChunk( NULL ), iChunkAddress( 0 ), iChunkMappingAttributes( 0 ) /*, iClientToKernelDelta( 0 )*/
   113 
   114     {
   114 
   115     }
   115 RMemSpyDriverRHeapUser::RMemSpyDriverRHeapUser( DMemSpyDriverOSAdaption& aOSAdaption )
   116 
   116     : RMemSpyDriverRHeapBase(), iOSAdaption(aOSAdaption)
   117 
   117     {
   118 void RMemSpyDriverRHeapReadFromCopy::Reset()
   118     }
       
   119 
       
   120 
       
   121 TInt RMemSpyDriverRHeapUser::OpenUserHeap(DThread& aThread, TBool aEuserUdeb)
       
   122     {
       
   123     TLinAddr allocatorAddr = (TLinAddr)OSAdaption().DThread().GetAllocator(aThread);
       
   124     NKern::ThreadEnterCS();
       
   125     LtkUtils::RUserAllocatorHelper* helper = new LtkUtils::RUserAllocatorHelper;
       
   126     if (!helper)
       
   127         {
       
   128         NKern::ThreadLeaveCS();
       
   129         return KErrNoMemory;
       
   130         }
       
   131     TInt err = helper->OpenUserHeap(OSAdaption().DThread().GetId(aThread), allocatorAddr, aEuserUdeb);
       
   132     if (!err)
       
   133         {
       
   134         iChunk = helper->OpenUnderlyingChunk();
       
   135         if (!iChunk) err = KErrNotFound;
       
   136         }
       
   137     if (err)
       
   138         {
       
   139         delete helper;
       
   140         }
       
   141     else
       
   142         {
       
   143         iHelper = helper;
       
   144         }
       
   145     NKern::ThreadLeaveCS();
       
   146     return err;
       
   147     }
       
   148 
       
   149 
       
   150 RMemSpyDriverRHeapKernelFromCopy::RMemSpyDriverRHeapKernelFromCopy( DMemSpyDriverOSAdaption& aOSAdaption )
       
   151 :   iOSAdaption( aOSAdaption ), iChunk( NULL )
       
   152     {
       
   153     }
       
   154 
       
   155 
       
   156 void RMemSpyDriverRHeapKernelFromCopy::Reset()
   119     {
   157     {
   120     RMemSpyDriverRHeapBase::Reset();
   158     RMemSpyDriverRHeapBase::Reset();
   121 	//
   159 	//
   122     iChunk = NULL;
   160     iChunk = NULL;
   123     iChunkAddress = 0;
   161     }
   124     iChunkMappingAttributes = 0;
   162 
   125     //iClientToKernelDelta = 0;
   163 
   126     }
   164 TInt RMemSpyDriverRHeapKernelFromCopy::AssociateWithKernelChunk( DChunk* aKernelChunk, DChunk* aCopiedChunk, TLinAddr aCopiedChunkBase, TInt aOffset )
   127 
   165     {
   128 
   166     TRACE_KH( Kern::Printf("RMemSpyDriverRHeapKernelFromCopy::AssociateWithKernelChunk() - START - aChunk: 0x%08x, aOffset: %d", 
   129 void RMemSpyDriverRHeapReadFromCopy::AssociateWithKernelChunk( DChunk* aChunk, TLinAddr aAddress, TUint32 aMappingAttributes )
   167                             aCopiedChunk, aOffset) );
   130     {
   168 
   131     TRACE_HEAP( Kern::Printf("RMemSpyDriverRHeapReadFromCopy::AssociateWithKernelChunk() - START - aChunk: %O, aChunk base: 0x%08x, aAddress: 0x%08x, clients heap base: 0x%08x, aChunk size: %8d", aChunk, aChunk->iBase, aAddress, Base(), aChunk->iSize ) );
   169     iChunk = aCopiedChunk;
   132 
   170     iChunkBase = aCopiedChunkBase;
   133     iChunk = aChunk;
       
   134     iChunkAddress = aAddress;
       
   135     iChunkMappingAttributes = aMappingAttributes;
       
   136 
       
   137     // Calculate start of real heap data (skipping over embedded RHeap object)
       
   138     // Since we must operate with kernel-side addressing into our cloned heap chunk,
       
   139     // we must use aAddress (the kernel address of the chunk) rather than aChunk->iBase
       
   140     //TOMSCI iClientToKernelDelta = ( (TUint8*) aAddress ) - ( Base() - KRHeapObjectSize );
       
   141 
       
   142     TRACE_HEAP( Kern::Printf("RMemSpyDriverRHeapReadFromCopy::AssociateWithKernelChunk() - END - delta between client's user-side base address (base: 0x%08x), kernel-side base address (base: 0x%08x), and kernel-side chunk (base: 0x%08x) is: 0x%08x", Base(), aChunk->iBase, aAddress, iClientToKernelDelta) );
       
   143     }
       
   144 
       
   145 
       
   146 /*void RMemSpyDriverRHeapReadFromCopy::DisassociateWithKernelChunk()
       
   147     {
       
   148     TRACE_HEAP( Kern::Printf("RMemSpyDriverRHeapReadFromCopy::DisassociateWithKernelChunk() - START - iChunk: 0x%08x", iChunk ) );
       
   149 
   171 
   150     NKern::ThreadEnterCS();
   172     NKern::ThreadEnterCS();
       
   173     TInt ret = KErrNone;
       
   174     LtkUtils::RKernelCopyAllocatorHelper* helper = new LtkUtils::RKernelCopyAllocatorHelper();
       
   175     if (helper)
       
   176         {
       
   177         helper->OpenCopiedHeap(aKernelChunk, aCopiedChunk, aOffset);
       
   178         iHelper = helper;        
       
   179         }
       
   180     else
       
   181         {
       
   182         ret = KErrNoMemory;
       
   183         }
       
   184     NKern::ThreadLeaveCS();
       
   185     
       
   186     TRACE_KH( Kern::Printf("RMemSpyDriverRHeapKernelFromCopy::AssociateWithKernelChunk() - END") );
       
   187     return ret;
       
   188     }
       
   189 
       
   190 DChunk& RMemSpyDriverRHeapKernelFromCopy::Chunk()
       
   191     {
       
   192     return *iChunk;
       
   193     }
       
   194 
       
   195 
       
   196 const DChunk& RMemSpyDriverRHeapKernelFromCopy::Chunk() const
       
   197     {
       
   198     return *iChunk;
       
   199     }
       
   200 
       
   201 void RMemSpyDriverRHeapKernelFromCopy::Close()
       
   202 	{
   151     if  ( iChunk != NULL )
   203     if  ( iChunk != NULL )
   152         {
   204         {
       
   205         NKern::ThreadEnterCS();
   153         Kern::ChunkClose( iChunk );
   206         Kern::ChunkClose( iChunk );
   154         iChunk = NULL;
   207         iChunk = NULL;
   155         }
   208         NKern::ThreadLeaveCS();
   156     NKern::ThreadLeaveCS();
   209         }
   157 
   210     RMemSpyDriverRHeapBase::Close();
   158     TRACE_HEAP( Kern::Printf("RMemSpyDriverRHeapReadFromCopy::DisassociateWithKernelChunk() - END") );
   211 	}
   159     }
   212 
   160 */
   213 TBool RMemSpyDriverRHeapKernelFromCopy::IsOpen()
   161 
   214     {
   162 DChunk& RMemSpyDriverRHeapReadFromCopy::Chunk()
   215     return (iChunk != NULL);
   163     {
   216     }
   164     return *iChunk;
   217 
   165     }
   218 RMemSpyDriverRHeapKernelInPlace::RMemSpyDriverRHeapKernelInPlace( DMemSpyDriverOSAdaption& aOSAdaption )
   166 
   219 :   iOSAdaption( aOSAdaption ), iChunk( NULL )
   167 
       
   168 const DChunk& RMemSpyDriverRHeapReadFromCopy::Chunk() const
       
   169     {
       
   170     return *iChunk;
       
   171     }
       
   172 
       
   173 
       
   174 /*TLinAddr RMemSpyDriverRHeapReadFromCopy::ChunkKernelAddress() const
       
   175     {
       
   176     return iChunkAddress;
       
   177     }
       
   178 
       
   179 
       
   180 TBool RMemSpyDriverRHeapReadFromCopy::ChunkIsInitialised() const
       
   181     {
       
   182     return iChunk != NULL;
       
   183     }
       
   184 
       
   185 TUint RMemSpyDriverRHeapReadFromCopy::ClientToKernelDelta() const
       
   186     {
       
   187     return iClientToKernelDelta;
       
   188     }
       
   189 */
       
   190 
       
   191 
       
   192 
       
   193 
       
   194 
       
   195 RMemSpyDriverRHeapUser::RMemSpyDriverRHeapUser( DMemSpyDriverOSAdaption& aOSAdaption )
       
   196 	: RMemSpyDriverRHeapBase(), iOSAdaption(aOSAdaption)
       
   197     {
       
   198     }
       
   199 
       
   200 
       
   201 TInt RMemSpyDriverRHeapUser::OpenUserHeap(DThread& aThread, TBool aEuserUdeb)
       
   202 	{
       
   203 	TLinAddr allocatorAddr = (TLinAddr)OSAdaption().DThread().GetAllocator(aThread);
       
   204 	NKern::ThreadEnterCS();
       
   205 	LtkUtils::RKernelSideAllocatorHelper* helper = new LtkUtils::RKernelSideAllocatorHelper;
       
   206 	if (!helper)
       
   207 		{
       
   208 		NKern::ThreadLeaveCS();
       
   209 		return KErrNoMemory;
       
   210 		}
       
   211 	TInt err = helper->OpenUserHeap(OSAdaption().DThread().GetId(aThread), allocatorAddr, aEuserUdeb);
       
   212 	if (!err)
       
   213 		{
       
   214 		iChunk = helper->OpenUnderlyingChunk();
       
   215 		if (!iChunk) err = KErrNotFound;
       
   216 		}
       
   217 	if (err)
       
   218 		{
       
   219 		delete helper;
       
   220 		}
       
   221 	else
       
   222 		{
       
   223 		iHelper = helper;
       
   224 		}
       
   225 	NKern::ThreadLeaveCS();
       
   226 	return err;
       
   227 	}
       
   228 
       
   229 RMemSpyDriverRHeapKernelFromCopy::RMemSpyDriverRHeapKernelFromCopy( DMemSpyDriverOSAdaption& aOSAdaption )
       
   230 :   RMemSpyDriverRHeapReadFromCopy( aOSAdaption )
       
   231     {
       
   232     }
       
   233 
       
   234 
       
   235 void RMemSpyDriverRHeapKernelFromCopy::SetKernelHeap( RHeapK& aKernelHeap )
       
   236     {
       
   237     TRACE_KH( Kern::Printf("RMemSpyDriverRHeapKernelFromCopy::SetKernelHeap() - START" ) );
       
   238 
       
   239     // Perform a copy operation in order to populate base class with a duplicate of the kernel's heap info.
       
   240     iKernelHeap = &aKernelHeap;
       
   241 
       
   242     // Source address
       
   243     TUint8* sourceAddress = (TUint8*) iKernelHeap + KRAllocatorAndRHeapMemberDataOffset;
       
   244     TUint8* destinationAddress = (TUint8*) this + KRAllocatorAndRHeapMemberDataOffset;
       
   245 
       
   246     // Copy 
       
   247     memcpy( destinationAddress, sourceAddress, KRHeapMemberDataSize );
       
   248 
       
   249     // And print info in debug builds for verification...
       
   250     PrintInfo();
       
   251 
       
   252     TRACE_KH( Kern::Printf("RMemSpyDriverRHeapKernelFromCopy::SetKernelHeap() - END" ) );
       
   253     }
       
   254 
       
   255 
       
   256 /*
       
   257 void RMemSpyDriverRHeapKernelFromCopy::DisassociateWithKernelChunk()
       
   258     {
       
   259     TRACE_KH( Kern::Printf("RMemSpyDriverRHeapKernelFromCopy::DisassociateWithKernelChunk() - START - iKernelHeap: 0x%08x", iKernelHeap ));
       
   260     iKernelHeap = NULL;
       
   261     RMemSpyDriverRHeapReadFromCopy::DisassociateWithKernelChunk();
       
   262     TRACE_KH( Kern::Printf("RMemSpyDriverRHeapKernelFromCopy::DisassociateWithKernelChunk() - END") );
       
   263     }
       
   264 */
       
   265 
       
   266 void RMemSpyDriverRHeapKernelFromCopy::Close()
       
   267 	{
       
   268 	//TOMSCI TODO close the chunk
       
   269 	}
       
   270 
       
   271 RMemSpyDriverRHeapKernelInPlace::RMemSpyDriverRHeapKernelInPlace()
       
   272 	: iChunk(NULL)
       
   273     {
   220     {
   274     }
   221     }
   275 
   222 
   276 TInt RMemSpyDriverRHeapKernelInPlace::OpenKernelHeap()
   223 TInt RMemSpyDriverRHeapKernelInPlace::OpenKernelHeap()
   277 	{
   224 	{