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memspy/Driver/Kernel/Source/SubChannels/MemSpyDriverLogChanChunks.cpp
branchGCC_SURGE
changeset 35 1ea875759131
parent 34 7259cf1302ad
child 44 52e343bb8f80
equal deleted inserted replaced
29:b58b1294947a 35:1ea875759131 
   162         DProcess* process = (DProcess*) TempObject();
 
   162         DProcess* process = (DProcess*) TempObject();
 
   163 	    NKern::ThreadEnterCS();
 
   163 	    NKern::ThreadEnterCS();
 
   164 
   164 
   165 	    // Iterate through each handle in the process
 
   165 	    // Iterate through each handle in the process
 
   166 	    MemSpyObjectIx* processHandles = processAdaption.GetHandles( *process );
 
   166 	    MemSpyObjectIx* processHandles = processAdaption.GetHandles( *process );
 
   167         MemSpyObjectIx_Wait( processHandles );
 
   167 		MemSpyObjectIx_HandleLookupLock();
 
   168 
       
   169         const TInt processHandleCount = processHandles->Count();
 
   168         const TInt processHandleCount = processHandles->Count();
 
       
   169 		MemSpyObjectIx_HandleLookupUnlock();
 
       
   170 
   170 	    for( TInt processHandleIndex = 0; processHandleIndex<processHandleCount && r == KErrNone && currentWriteIndex < maxCount; processHandleIndex++ )
 
   171 	    for( TInt processHandleIndex = 0; processHandleIndex<processHandleCount && r == KErrNone && currentWriteIndex < maxCount; processHandleIndex++ )
 
   171     	    {
 
   172     	    {
 
   172     	    // Get a handle from the process container...
 
   173     	    // Get a handle from the process container...
 
   173             NKern::LockSystem();
 
   174             MemSpyObjectIx_HandleLookupLock();
 
       
   175 			if (processHandleIndex >= processHandles->Count()) break; // Count may have changed in the meantime
 
   174     	    DObject* object = (*processHandles)[ processHandleIndex ];
 
   176     	    DObject* object = (*processHandles)[ processHandleIndex ];
 
   175             NKern::UnlockSystem();
 
   177 			if (object && object->Open() != KErrNone) object = NULL;
 
       
   178 			MemSpyObjectIx_HandleLookupUnlock();
 
   176             
   179             
   177             if  ( object )
 
   180             if  ( object )
 
   178                 {
 
   181                 {
 
   179                 const TObjectType objectType = processAdaption.GetObjectType( *object );
 
   182                 const TObjectType objectType = processAdaption.GetObjectType( *object );
 
   180                 if ( objectType == EChunk )
 
   183                 if ( objectType == EChunk )
 
   185                     if  ( r == KErrNone )
 
   188                     if  ( r == KErrNone )
 
   186                         {
 
   189                         {
 
   187                         ++currentWriteIndex;
 
   190                         ++currentWriteIndex;
 
   188                         }
 
   191                         }
 
   189                     }
 
   192                     }
 
       
   193 				object->Close(NULL);
 
   190                 }
 
   194                 }
 
   191     	    }
 
   195     	    }
 
   192 
       
   193         MemSpyObjectIx_Signal( processHandles );
 
       
   194 
   196 
   195         // If we were asked for process-related chunks, also check the chunk container
 
   197         // If we were asked for process-related chunks, also check the chunk container
 
   196         // for entries which we don't have handles to, but do refer to our process
 
   198         // for entries which we don't have handles to, but do refer to our process
 
   197         // Need a listing of all chunks in the system. Let client filter duplicates.
 
   199         // Need a listing of all chunks in the system. Let client filter duplicates.
 
   198         DObjectCon* container = Kern::Containers()[ EChunk ];
 
   200         DObjectCon* container = Kern::Containers()[ EChunk ];
 
   274 		
   276 		
   275 	DObjectCon* container = Kern::Containers()[EChunk];
 
   277 	DObjectCon* container = Kern::Containers()[EChunk];
 
   276 	NKern::ThreadEnterCS();
 
   278 	NKern::ThreadEnterCS();
 
   277 
   279 
   278     container->Wait();
 
   280     container->Wait();
 
   279     NKern::LockSystem();
 
       
   280     const TInt count = container->Count();
 
   281     const TInt count = container->Count();
 
   281     NKern::UnlockSystem();
 
       
   282 
   282 
   283     DChunk* foundChunk = NULL;
 
   283     DChunk* foundChunk = NULL;
 
   284     
   284     
   285     for(TInt i=0; i<count; i++)
 
   285     for(TInt i=0; i<count; i++)
 
   286         {
 
   286         {
 
   287         NKern::LockSystem();
 
       
   288         DChunk* chunk = (DChunk*) (*container)[i];
 
   287         DChunk* chunk = (DChunk*) (*container)[i];
 
   289         NKern::UnlockSystem();
 
       
   290         //
 
       
   291         if  ( chunk == params.iHandle )
 
   288         if  ( chunk == params.iHandle )
 
   292             {
 
   289             {
 
   293             foundChunk = chunk;
 
   290             foundChunk = chunk;
 
   294             TRACE( PrintChunkInfo( *chunk ) );
 
   291             TRACE( PrintChunkInfo( *chunk ) );
 
       
   292 			r = foundChunk->Open();
 
   295             break;
 
   293             break;
 
   296             }
 
   294             }
 
   297         }
 
   295         }
 
   298 
   296 
   299     container->Signal();
 
   297     container->Signal();
 
   300 	NKern::ThreadLeaveCS();
 
       
   301 
   298 
   302     if  ( foundChunk == NULL )
 
   299     if  ( foundChunk == NULL )
 
   303         {
 
   300         {
 
   304     	Kern::Printf("DMemSpyDriverLogChanChunks::GetChunkInfo() - END - KErrNotFound - couldnt find chunk");
 
   301     	Kern::Printf("DMemSpyDriverLogChanChunks::GetChunkInfo() - END - KErrNotFound - couldnt find chunk");
 
       
   302 		NKern::ThreadLeaveCS();
 
   305         return KErrNotFound;
 
   303         return KErrNotFound;
 
   306         }
 
   304         }
 
       
   305 	if (r)
 
       
   306 		{
 
       
   307 		Kern::Printf("DMemSpyDriverLogChanChunks::GetChunkInfo() - END - %d - Failed to open chunk", r);
 
       
   308 		NKern::ThreadLeaveCS();
 
       
   309 		return r;
 
       
   310 		}
 
   307 
   311 
   308     // Prepare return data
 
   312     // Prepare return data
 
   309     DMemSpyDriverOSAdaptionDChunk& chunkAdaption = OSAdaption().DChunk();
 
   313     DMemSpyDriverOSAdaptionDChunk& chunkAdaption = OSAdaption().DChunk();
 
   310     //
 
   314     //
 
   311     params.iBaseAddress = chunkAdaption.GetBase( *foundChunk );
 
   315     params.iBaseAddress = chunkAdaption.GetBase( *foundChunk );
 
   333         }
 
   337         }
 
   334 
   338 
   335     // Get type & attribs
 
   339     // Get type & attribs
 
   336     params.iType = IdentifyChunkType( *foundChunk );
 
   340     params.iType = IdentifyChunkType( *foundChunk );
 
   337     params.iAttributes = chunkAdaption.GetAttributes( *foundChunk );
 
   341     params.iAttributes = chunkAdaption.GetAttributes( *foundChunk );
 
       
   342 
       
   343 	// Finished with foundChunk
 
       
   344 	foundChunk->Close(NULL);
 
       
   345 	NKern::ThreadLeaveCS();
 
   338     
   346     
   339     // Write back to client
 
   347     // Write back to client
 
   340     r = Kern::ThreadRawWrite( &ClientThread(), aParams, &params, sizeof(TMemSpyDriverInternalChunkInfoParams) );
 
   348     r = Kern::ThreadRawWrite( &ClientThread(), aParams, &params, sizeof(TMemSpyDriverInternalChunkInfoParams) );
 
   341 	if  ( r == KErrBadDescriptor )
 
   349 	if  ( r == KErrBadDescriptor )
 
   342         {
 
   350         {
 
   468     const TInt size = chunkAdaption.GetSize( aChunk );
 
   476     const TInt size = chunkAdaption.GetSize( aChunk );
 
   469     TRACE( Kern::Printf("DMemSpyDriverLogChanChunks::IsHeapChunk() - base: 0x%08x, size: %d, process: 0x%08x (%O)", base, size, process, process ) );
 
   477     TRACE( Kern::Printf("DMemSpyDriverLogChanChunks::IsHeapChunk() - base: 0x%08x, size: %d, process: 0x%08x (%O)", base, size, process, process ) );
 
   470 
   478 
   471     if  ( process && size >= 4 )
 
   479     if  ( process && size >= 4 )
 
   472         {
 
   480         {
 
       
   481 		NKern::ThreadEnterCS();
 
   473         // Chunks are mapped into entire process so any thread within the process is enough...
 
   482         // Chunks are mapped into entire process so any thread within the process is enough...
 
   474         DThread* firstThread = processAdaption.GetFirstThread( *process );
 
   483         DThread* firstThread = processAdaption.OpenFirstThread( *process );
 
   475         TRACE( Kern::Printf("DMemSpyDriverLogChanChunks::IsHeapChunk() - firstThread: 0x%08x (%O)", firstThread, firstThread ) );
 
   484         TRACE( Kern::Printf("DMemSpyDriverLogChanChunks::IsHeapChunk() - firstThread: 0x%08x (%O)", firstThread, firstThread ) );
 
   476         if  ( firstThread != NULL )
 
   485         if  ( firstThread != NULL )
 
   477             {
 
   486             {
 
   478             TInt err = firstThread->Open();
 
   487             TBuf8<4> allocatorVTableBuffer;
 
   479             TRACE( Kern::Printf("DMemSpyDriverLogChanChunks::IsHeapChunk() - firstThread open result: %d", err ) );
 
   488             TInt err = Kern::ThreadRawRead( firstThread, base, (TUint8*) allocatorVTableBuffer.Ptr(), allocatorVTableBuffer.MaxLength() );
 
   480 
   489             TRACE( Kern::Printf("DMemSpyDriverLogChanChunks::IsHeapChunk - read result of vtable data from requested thread is: %d", err ));
 
       
   490             //
 
   481             if  ( err == KErrNone )
 
   491             if  ( err == KErrNone )
 
   482                 {
 
   492                 {
 
   483                 TBuf8<4> allocatorVTableBuffer;
 
   493                 TRACE( MemSpyDriverUtils::DataDump("possible chunk vtable data - %lS", allocatorVTableBuffer.Ptr(), allocatorVTableBuffer.MaxLength(), allocatorVTableBuffer.MaxLength() ) );
 
   484                 err = Kern::ThreadRawRead( firstThread, base, (TUint8*) allocatorVTableBuffer.Ptr(), allocatorVTableBuffer.MaxLength() );
 
   494                 allocatorVTableBuffer.SetLength( allocatorVTableBuffer.MaxLength() );
 
   485                 TRACE( Kern::Printf("DMemSpyDriverLogChanChunks::IsHeapChunk - read result of vtable data from requested thread is: %d", err ));
 
   495                 
   486                 //
 
   496                 const TUint32 vtable =   allocatorVTableBuffer[0] +
 
   487                 if  ( err == KErrNone )
 
   497                                         (allocatorVTableBuffer[1] << 8) + 
   488                     {
 
   498                                         (allocatorVTableBuffer[2] << 16) + 
   489                     TRACE( MemSpyDriverUtils::DataDump("possible chunk vtable data - %lS", allocatorVTableBuffer.Ptr(), allocatorVTableBuffer.MaxLength(), allocatorVTableBuffer.MaxLength() ) );
 
   499                                         (allocatorVTableBuffer[3] << 24);
 
   490                     allocatorVTableBuffer.SetLength( allocatorVTableBuffer.MaxLength() );
 
   500                 TRACE( Kern::Printf("DMemSpyDriverLogChanChunks::IsHeapChunk - [possible] vTable within chunk is: 0x%08x", vtable) );
 
   491                     
   501 
   492                     const TUint32 vtable =   allocatorVTableBuffer[0] +
 
   502                 // Check the v-table to work out if it really is an RHeap
 
   493                                             (allocatorVTableBuffer[1] << 8) + 
   503                 isHeap = ( vtable == rHeapVTable );
 
   494                                             (allocatorVTableBuffer[2] << 16) + 
   504                 TRACE( Kern::Printf("DMemSpyDriverLogChanChunks::IsHeapChunk() - isHeap: %d", isHeap ) );
 
   495                                             (allocatorVTableBuffer[3] << 24);
 
       
   496                     TRACE( Kern::Printf("DMemSpyDriverLogChanChunks::IsHeapChunk - [possible] vTable within chunk is: 0x%08x", vtable) );
 
       
   497 
       
   498                     // Check the v-table to work out if it really is an RHeap
 
       
   499                     isHeap = ( vtable == rHeapVTable );
 
       
   500                     TRACE( Kern::Printf("DMemSpyDriverLogChanChunks::IsHeapChunk() - isHeap: %d", isHeap ) );
 
       
   501                     }
 
       
   502 
       
   503                 TRACE( Kern::Printf("DMemSpyDriverLogChanChunks::IsHeapChunk() - closing first thread..." ) );
 
       
   504             	Kern::SafeClose( (DObject*&) firstThread, NULL );
 
       
   505                 }
 
   505                 }
 
   506             }
 
   506 
       
   507             TRACE( Kern::Printf("DMemSpyDriverLogChanChunks::IsHeapChunk() - closing first thread..." ) );
 
       
   508             Kern::SafeClose( (DObject*&) firstThread, NULL );
 
       
   509             }
 
       
   510 		NKern::ThreadLeaveCS();
 
   507         }
 
   511         }
 
   508 
   512 
   509     /* We only want RHeap's at the moment
 
   513     /* We only want RHeap's at the moment
 
   510     if  ( !isHeap && aName == KMemSpyLitDollarHeap )
 
   514     if  ( !isHeap && aName == KMemSpyLitDollarHeap )
 
   511         {
 
   515         {
FCL/sf/os/osrndtools