--- a/memspy/Driver/Kernel/Source/SubChannels/MemSpyDriverLogChanHeapBase.cpp Tue Aug 31 16:45:49 2010 +0300
+++ b/memspy/Driver/Kernel/Source/SubChannels/MemSpyDriverLogChanHeapBase.cpp Wed Sep 01 12:37:10 2010 +0100
@@ -47,6 +47,11 @@
DMemSpyDriverLogChanHeapBase::~DMemSpyDriverLogChanHeapBase()
{
+ TRACE( Kern::Printf("DMemSpyDriverLogChanHeapBase::~DMemSpyDriverLogChanHeapBase() - START - this: 0x%08x", this ));
+
+ ReleaseFreeCells();
+
+ TRACE( Kern::Printf("DMemSpyDriverLogChanHeapBase::~DMemSpyDriverLogChanHeapBase() - END - this: 0x%08x", this ));
}
@@ -168,15 +173,207 @@
+TInt DMemSpyDriverLogChanHeapBase::OpenUserHeap( DThread& aClientThread, TUint aExpectedHeapVTable, RMemSpyDriverRHeapUser& aHeap, DChunk*& aUserHeapChunk, TDes8* aClientHeapChunkName )
+ {
+ TRACE( Kern::Printf("DMemSpyDriverLogChanHeapBase::OpenUserHeap() - START - aHeap.ChunkIsInitialised: %d, aExpectedHeapVTable: 0x%08x, aClientThread: %O", aHeap.ChunkIsInitialised(), aExpectedHeapVTable, &aClientThread ));
+ __ASSERT_ALWAYS( aHeap.ChunkIsInitialised() == EFalse, MemSpyDriverUtils::PanicThread( ClientThread(), EPanicHeapChunkAlreadyCloned ) );
+
+ TInt r = KErrNotFound;
+ aUserHeapChunk = NULL;
+
+ NKern::ThreadEnterCS();
+
+ const TBool allocatorIsReallyRHeap = GetUserHeapHandle( aClientThread, aHeap, aExpectedHeapVTable );
+ TRACE( Kern::Printf("DMemSpyDriverLogChanHeapBase::OpenUserHeap - allocatorIsReallyRHeap: %d", allocatorIsReallyRHeap));
+
+ if ( allocatorIsReallyRHeap )
+ {
+ RAllocator* allocator = OSAdaption().DThread().GetAllocator( aClientThread );
+
+ // Open client's heap chunk in order to read it's dimensions
+ const TInt clientsHeapChunkHandle = aHeap.iChunkHandle;
+ TRACE( Kern::Printf("DMemSpyDriverLogChanHeapBase::OpenUserHeap - clientsHeapChunkHandle: 0x%08x, allocatorAddress: 0x%08x", clientsHeapChunkHandle, allocator));
+
+ NKern::LockSystem();
+ DChunk* clientsHeapChunk = (DChunk*) Kern::ObjectFromHandle( &aClientThread, clientsHeapChunkHandle, EChunk );
+ NKern::UnlockSystem();
+ TRACE( Kern::Printf("DMemSpyDriverLogChanHeapBase::OpenUserHeap - clientsHeapChunk: 0x%08x", clientsHeapChunk ));
+
+ if ( clientsHeapChunk != NULL )
+ {
+ // Get the chunk name (if the caller asked for it)
+ if ( aClientHeapChunkName )
+ {
+ clientsHeapChunk->FullName( *aClientHeapChunkName );
+ }
+
+ // Update the heap chunk pointer. We do this now because this
+ // should point to the _real_ user-side heap chunk, rather than
+ // the copy of the chunk that we are about to make.
+ aUserHeapChunk = clientsHeapChunk;
+
+ // Set up ourselves to duplicate their heap chunk
+ const TInt clientsHeapChunkSize = OSAdaption().DChunk().GetSize( *clientsHeapChunk );
+ TRACE( Kern::Printf("DMemSpyDriverLogChanHeapBase::OpenUserHeap - chunkBase: 0x%08x, size: %8d, maxLen: %8d, chunk: %O", clientsHeapChunk->iBase, clientsHeapChunkSize, clientsHeapChunk->iMaxSize, clientsHeapChunk ));
+
+ // Make a new chunk that is the same size, owned by this thread.
+ TChunkCreateInfo info;
+ info.iType = TChunkCreateInfo::ESharedKernelSingle;
+ info.iMaxSize = clientsHeapChunkSize;
+ info.iOwnsMemory = ETrue; // Use memory from system's free pool
+ info.iDestroyedDfc = NULL;
+ #ifdef __EPOC32__
+ info.iMapAttr = (TInt)EMapAttrFullyBlocking; // Full caching
+ #endif
+
+ // Holds a copy of the client's heap chunk
+ DChunk* heapCopyChunk;
+ TLinAddr heapCopyChunkAddress;
+ TUint32 heapCopyChunkMappingAttributes;
+ r = Kern::ChunkCreate( info, heapCopyChunk, heapCopyChunkAddress, heapCopyChunkMappingAttributes );
+ TRACE( Kern::Printf("DMemSpyDriverLogChanHeapBase::OpenUserHeap - creating chunk returned: %d", r));
+ //
+ if ( r == KErrNone )
+ {
+ TRACE( Kern::Printf("DMemSpyDriverLogChanHeapBase::OpenUserHeap - copy chunk base: 0x%08x, heapCopyChunkAddress: 0x%08x", heapCopyChunk->iBase, heapCopyChunkAddress));
+
+ // Commit memory for entire buffer
+ TUint32 physicalAddress = 0;
+ r = Kern::ChunkCommitContiguous( heapCopyChunk, 0, clientsHeapChunkSize, physicalAddress );
+ TRACE( Kern::Printf("DMemSpyDriverLogChanHeapBase::OpenUserHeap - commiting chunk returned: %d", r));
+
+ if ( r != KErrNone)
+ {
+ // On error, thow away the chunk we have created
+ Kern::ChunkClose( heapCopyChunk );
+ heapCopyChunk = NULL;
+ }
+ else
+ {
+ TRACE( Kern::Printf("DMemSpyDriverLogChanHeapBase::OpenUserHeap - heapCopyChunk->iSize: 0x%08x, heapCopyChunk->iBase: 0x%08x, heapCopyChunkAddress: 0x%08x, physicalAddress: 0x%08x", heapCopyChunk->iSize, heapCopyChunk->iBase, heapCopyChunkAddress, physicalAddress));
+
+ TRACE( Kern::Printf("DMemSpyDriverLogChanHeapBase::OpenUserHeap - trying to copy %d bytes from clients allocator address of 0x%08x", clientsHeapChunkSize, allocator ));
+ r = Kern::ThreadRawRead( &aClientThread, allocator, (TAny*) heapCopyChunkAddress, clientsHeapChunkSize );
+
+ TRACE( Kern::Printf("DMemSpyDriverLogChanHeapBase::OpenUserHeap - read result of clients heap data is: %d", r));
+ if ( r == KErrNone )
+ {
+ // Transfer ownership of the copy heap chunk to the heap object. This also calculates the delta
+ // beween the heap addresses in the client's address space and the kernel address space.
+ aHeap.AssociateWithKernelChunk( heapCopyChunk, heapCopyChunkAddress, heapCopyChunkMappingAttributes );
+ }
+ }
+ }
+ }
+ else
+ {
+ TRACE( Kern::Printf("DMemSpyDriverLogChanHeapBase::OpenUserHeap - could not open clients heap chunk by its handle" ) );
+ r = KErrNotFound;
+ }
+ }
+ else
+ {
+ TRACE( Kern::Printf("DMemSpyDriverLogChanHeapBase::OpenUserHeap - clients heap is not an RHeap (allocated vTable mismatch)" ) );
+ r = KErrNotSupported;
+ }
+
+ NKern::ThreadLeaveCS();
+
+ TRACE( Kern::Printf("DMemSpyDriverLogChanHeapBase::OpenUserHeap - r: %d", r ));
+ return r;
+ }
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+TBool DMemSpyDriverLogChanHeapBase::GetUserHeapHandle( DThread& aThread, RMemSpyDriverRHeapUser& aHeap, TUint aExpectedVTable )
+ {
+ TRACE( Kern::Printf("DMemSpyDriverLogChanHeapBase::GetUserHeapHandle() - START - aExpectedVTable: 0x%08x", aExpectedVTable) );
+
+ RAllocator* allocator = OSAdaption().DThread().GetAllocator( aThread );
+ TRACE( Kern::Printf("DMemSpyDriverLogChanHeapBase::GetUserHeapHandle - allocator addr: 0x%08x", allocator) );
+ TUint* pAllocator = (TUint*) allocator;
+ //
+ TBool vTableOkay = EFalse;
+ TUint vtable = 0;
+
+ // Read a bit more data than is available for debugging purposes
+ TBuf8<32> vtableBuf;
+ TInt r = Kern::ThreadRawRead( &aThread, pAllocator, (TUint8*) vtableBuf.Ptr(), vtableBuf.MaxLength() );
+ TRACE( Kern::Printf("DMemSpyDriverLogChanHeapBase::GetUserHeapHandle - read result of vtable data from requested thread is: %d", r));
+ if ( r == KErrNone )
+ {
+ TRACE( MemSpyDriverUtils::DataDump("allocator vtable data - %lS", vtableBuf.Ptr(), vtableBuf.MaxLength(), vtableBuf.MaxLength() ) );
+ vtableBuf.SetLength( vtableBuf.MaxLength() );
+
+ vtable = vtableBuf[0] +
+ (vtableBuf[1] << 8) +
+ (vtableBuf[2] << 16) +
+ (vtableBuf[3] << 24);
+ TRACE( Kern::Printf("DMemSpyDriverLogChanHeapBase::GetUserHeapHandle - client VTable is: 0x%08x", vtable) );
+
+ // Check the v-table to work out if it really is an RHeap
+ vTableOkay = ( vtable == aExpectedVTable );
+ if ( vTableOkay )
+ {
+ TRACE( Kern::Printf("DMemSpyDriverLogChanHeapBase::GetUserHeapHandle - vtables okay") );
+ r = aHeap.ReadFromUserAllocator( aThread );
+ TRACE( Kern::Printf("DMemSpyDriverLogChanHeapBase::GetUserHeapHandle - after userget, error: %d", r));
+
+ }
+ else
+ {
+ TRACE( Kern::Printf( "DMemSpyDriverLogChanHeapBase::GetUserHeapHandle - vtables dont match! - aExpectedVTable: 0x%08x, allocator addr: 0x%08x, client VTable is: 0x%08x, aThread: %O", aExpectedVTable, allocator, vtable, &aThread ) );
+ }
+ }
+ else
+ {
+ TRACE( Kern::Printf( "DMemSpyDriverLogChanHeapBase::GetUserHeapHandle - error during client vTable reading: %d, aThread: %O", r, &aThread ) );
+ }
+ //
+ return (vTableOkay && (r == KErrNone));
+ }
+
+
+
+
+
+
+
+
+
+
+
+
+
+
void DMemSpyDriverLogChanHeapBase::PrintHeapInfo( const TMemSpyHeapInfo& aInfo )
{
const TMemSpyHeapInfoRHeap& rHeapInfo = aInfo.AsRHeap();
- //const TMemSpyHeapObjectDataRHeap& rHeapObjectData = rHeapInfo.ObjectData();
+ const TMemSpyHeapObjectDataRHeap& rHeapObjectData = rHeapInfo.ObjectData();
const TMemSpyHeapStatisticsRHeap& rHeapStats = rHeapInfo.Statistics();
const TMemSpyHeapMetaDataRHeap& rHeapMetaData = rHeapInfo.MetaData();
- /*
- TRACE( Kern::Printf("DMemSpyDriverLogChanHeapBase::PrintHeapInfo() ---------------------------------------------------" ) );
+ TRACE( Kern::Printf("DMemSpyDriverLogChanHeapBase::PrintHeapInfo() ---------------------------------------------------" ) );
TRACE( Kern::Printf("DMemSpyDriverLogChanHeapBase::PrintHeapInfo() - RAllocator -" ) );
TRACE( Kern::Printf("DMemSpyDriverLogChanHeapBase::PrintHeapInfo() ---------------------------------------------------" ) );
TRACE( Kern::Printf("DMemSpyDriverLogChanHeapBase::PrintHeapInfo() - RAllocator::iAccessCount: %d", rHeapObjectData.iAccessCount ) );
@@ -211,7 +408,7 @@
TRACE( Kern::Printf("DMemSpyDriverLogChanHeapBase::PrintHeapInfo() - RHeap::iRand: %d", rHeapObjectData.iRand ) );
TRACE( Kern::Printf("DMemSpyDriverLogChanHeapBase::PrintHeapInfo() - RHeap::iTestData: 0x%08x", rHeapObjectData.iTestData ) );
TRACE( Kern::Printf("DMemSpyDriverLogChanHeapBase::PrintHeapInfo() - " ) );
- */
+
TRACE( Kern::Printf("DMemSpyDriverLogChanHeapBase::PrintHeapInfo() ---------------------------------------------------" ) );
TRACE( Kern::Printf("DMemSpyDriverLogChanHeapBase::PrintHeapInfo() - Stats (Free) -" ) );
TRACE( Kern::Printf("DMemSpyDriverLogChanHeapBase::PrintHeapInfo() ---------------------------------------------------" ) );
@@ -234,6 +431,12 @@
TRACE( Kern::Printf("DMemSpyDriverLogChanHeapBase::PrintHeapInfo() - " ) );
TRACE( Kern::Printf("DMemSpyDriverLogChanHeapBase::PrintHeapInfo() ---------------------------------------------------" ) );
+ TRACE( Kern::Printf("DMemSpyDriverLogChanHeapBase::PrintHeapInfo() - Stats (Common) -" ) );
+ TRACE( Kern::Printf("DMemSpyDriverLogChanHeapBase::PrintHeapInfo() ---------------------------------------------------" ) );
+ TRACE( Kern::Printf("DMemSpyDriverLogChanHeapBase::PrintHeapInfo() - total cell count: %d", rHeapStats.StatsCommon().TotalCellCount() ) );
+ TRACE( Kern::Printf("DMemSpyDriverLogChanHeapBase::PrintHeapInfo() - " ) );
+
+ TRACE( Kern::Printf("DMemSpyDriverLogChanHeapBase::PrintHeapInfo() ---------------------------------------------------" ) );
TRACE( Kern::Printf("DMemSpyDriverLogChanHeapBase::PrintHeapInfo() - Misc. Info -" ) );
TRACE( Kern::Printf("DMemSpyDriverLogChanHeapBase::PrintHeapInfo() ---------------------------------------------------" ) );
TRACE( Kern::Printf("DMemSpyDriverLogChanHeapBase::PrintHeapInfo() - chunk size: %d", rHeapMetaData.ChunkSize() ) );
@@ -242,15 +445,73 @@
TRACE( Kern::Printf("DMemSpyDriverLogChanHeapBase::PrintHeapInfo() - debug allocator: %d", rHeapMetaData.IsDebugAllocator() ) );
TRACE( Kern::Printf("DMemSpyDriverLogChanHeapBase::PrintHeapInfo() - shared heap: %d", rHeapMetaData.IsSharedHeap() ) );
TRACE( Kern::Printf("DMemSpyDriverLogChanHeapBase::PrintHeapInfo() - user thread: %d", rHeapMetaData.IsUserThread() ) );
- //TRACE( Kern::Printf("DMemSpyDriverLogChanHeapBase::PrintHeapInfo() - cell header size (free): %d", rHeapMetaData.HeaderSizeFree() ) );
- //TRACE( Kern::Printf("DMemSpyDriverLogChanHeapBase::PrintHeapInfo() - cell header size (alloc): %d", rHeapMetaData.HeaderSizeAllocated() ) );
+ TRACE( Kern::Printf("DMemSpyDriverLogChanHeapBase::PrintHeapInfo() - cell header size (free): %d", rHeapMetaData.HeaderSizeFree() ) );
+ TRACE( Kern::Printf("DMemSpyDriverLogChanHeapBase::PrintHeapInfo() - cell header size (alloc): %d", rHeapMetaData.HeaderSizeAllocated() ) );
TRACE( Kern::Printf("DMemSpyDriverLogChanHeapBase::PrintHeapInfo() - heap vTable: 0x%08x", rHeapMetaData.VTable() ) );
- //TRACE( Kern::Printf("DMemSpyDriverLogChanHeapBase::PrintHeapInfo() - heap object size: %d", rHeapMetaData.ClassSize() ) );
- TRACE( Kern::Printf("DMemSpyDriverLogChanHeapBase::PrintHeapInfo() - heap size: %d", rHeapMetaData.iHeapSize ) );
- TRACE( Kern::Printf("DMemSpyDriverLogChanHeapBase::PrintHeapInfo() - allocator address: 0x%08x", rHeapMetaData.iAllocatorAddress ) );
+ TRACE( Kern::Printf("DMemSpyDriverLogChanHeapBase::PrintHeapInfo() - heap object size: %d", rHeapMetaData.ClassSize() ) );
}
-TInt DMemSpyDriverLogChanHeapBase::GetHeapInfoKernel(RMemSpyDriverRHeapBase& aHeap, TMemSpyHeapInfo* aHeapInfo, TDes8* aTransferBuffer )
+
+
+
+
+
+
+
+
+
+TBool DMemSpyDriverLogChanHeapBase::IsDebugKernel()
+ {
+ TRACE_KH( Kern::Printf("DMemSpyDriverLogChanHeapBase::IsDebugKernel() - START") );
+
+ TInt r = KErrNone;
+ TBool debugKernel = EFalse;
+
+ NKern::ThreadEnterCS();
+ RMemSpyDriverRHeapKernelInPlace rHeap;
+ r = OpenKernelHeap( rHeap );
+ TRACE_KH( Kern::Printf("DMemSpyDriverLogChanHeapBase::IsDebugKernel() - open kernel heap returned: %d", r) );
+
+ if ( r == KErrNone )
+ {
+ debugKernel = IsDebugKernel( rHeap );
+
+ // Tidy up
+ rHeap.DisassociateWithKernelChunk();
+ }
+
+ TRACE_KH( Kern::Printf("DMemSpyDriverLogChanHeapBase::IsDebugKernel() - debugKernel: %d", debugKernel) );
+ NKern::ThreadLeaveCS();
+
+ TRACE_KH( Kern::Printf("DMemSpyDriverLogChanHeapBase::IsDebugKernel() - END - ret: %d", r) );
+ return debugKernel;
+ }
+
+
+TBool DMemSpyDriverLogChanHeapBase::IsDebugKernel( RMemSpyDriverRHeapKernelInPlace& aHeap )
+ {
+ TBool debugKernel = EFalse;
+ //
+ TRACE_KH( Kern::Printf("DMemSpyDriverLogChanHeapBase::IsDebugKernel() - START") );
+ NKern::ThreadEnterCS();
+
+ // Request that the kernel fail the next heap allocation
+ aHeap.FailNext();
+
+ // Allocate a new cell, and in debug builds of the kernel, this should be NULL
+ TInt* cell = new TInt();
+ TRACE_KH( Kern::Printf("DMemSpyDriverLogChanHeapBase::IsDebugKernel() - cell: 0x%08x", cell) );
+ debugKernel = ( cell == NULL );
+ delete cell;
+
+ NKern::ThreadLeaveCS();
+ TRACE_KH( Kern::Printf("DMemSpyDriverLogChanHeapBase::IsDebugKernel() - END - debugKernel: %d", debugKernel) );
+ //
+ return debugKernel;
+ }
+
+
+TInt DMemSpyDriverLogChanHeapBase::GetHeapInfoKernel( RMemSpyDriverRHeapBase& aHeap, TBool aIsDebugAllocator, const TDesC8& aChunkName, TMemSpyHeapInfo* aHeapInfo, TDes8* aTransferBuffer )
{
TRACE_KH( Kern::Printf("DMemSpyDriverLogChanHeapBase::GetHeapInfoKernel() - START - aTransferBuffer: 0x%08x", aTransferBuffer ) );
@@ -259,13 +520,16 @@
// This object holds all of the info we will accumulate for the client.
TMemSpyHeapInfo masterHeapInfo;
- masterHeapInfo.SetType(aHeap.GetTypeFromHelper());
+ masterHeapInfo.SetType( TMemSpyHeapInfo::ETypeRHeap );
masterHeapInfo.SetTid( 2 );
masterHeapInfo.SetPid( 1 );
// This is the RHeap-specific object that contains all RHeap info
TMemSpyHeapInfoRHeap& rHeapInfo = masterHeapInfo.AsRHeap();
+ // This is the object data for the RHeap instance
+ TMemSpyHeapObjectDataRHeap& rHeapObjectData = rHeapInfo.ObjectData();
+ aHeap.CopyObjectDataTo( rHeapObjectData );
// When walking the kernel heap we must keep track of the free cells
// without allocating any more memory (on the kernel heap...)
@@ -280,7 +544,7 @@
// We must walk the client's heap in order to build statistics
TRACE_KH( Kern::Printf("DMemSpyDriverLogChanHeapBase::GetHeapInfoKernel - calling heap walker constructor..."));
- RMemSpyDriverHeapWalker heapWalker(aHeap);
+ RMemSpyDriverHeapWalker heapWalker( aHeap, aIsDebugAllocator );
if ( aTransferBuffer )
{
// This will allow us to identify that we're writing directly to the stream
@@ -332,19 +596,18 @@
// Get remaining meta data that isn't stored elsewhere
TMemSpyHeapMetaDataRHeap& rHeapMetaData = rHeapInfo.MetaData();
- TFullName chunkName;
- aHeap.Chunk().FullName(chunkName);
- rHeapMetaData.SetChunkName(chunkName);
+ rHeapMetaData.SetChunkName( aChunkName );
rHeapMetaData.SetChunkSize( (TUint) aHeap.Chunk().Size() );
rHeapMetaData.SetChunkHandle( &aHeap.Chunk() );
- rHeapMetaData.SetChunkBaseAddress( OSAdaption().DChunk().GetBase(aHeap.Chunk()) );
- rHeapMetaData.SetDebugAllocator(aHeap.Helper()->AllocatorIsUdeb());
+ rHeapMetaData.SetChunkBaseAddress( aHeap.Chunk().Base() );
+ rHeapMetaData.SetDebugAllocator( aIsDebugAllocator );
+ rHeapMetaData.SetHeaderSizeFree( RMemSpyDriverRHeapBase::FreeCellHeaderSize() );
+ rHeapMetaData.SetHeaderSizeAllocated( RMemSpyDriverRHeapBase::AllocatedCellHeaderSize( aIsDebugAllocator ) );
rHeapMetaData.SetUserThread( EFalse );
rHeapMetaData.SetSharedHeap( ETrue );
- rHeapMetaData.iHeapSize = aHeap.Helper()->CommittedSize();
- rHeapMetaData.iAllocatorAddress = (TAny*)aHeap.Helper()->AllocatorAddress();
- rHeapMetaData.iMinHeapSize = aHeap.Helper()->MinCommittedSize();
- rHeapMetaData.iMaxHeapSize = aHeap.Helper()->MaxCommittedSize();
+
+ // Get any heap-specific info
+ aHeap.GetHeapSpecificInfo( masterHeapInfo );
PrintHeapInfo( masterHeapInfo );
@@ -378,12 +641,17 @@
-TBool DMemSpyDriverLogChanHeapBase::HandleHeapCell(TMemSpyDriverCellType aCellType, TAny* aCellAddress, TInt aLength, TInt /*aNestingLevel*/, TInt /*aAllocNumber*/)
+TBool DMemSpyDriverLogChanHeapBase::HandleHeapCell( TInt aCellType, TAny* aCellAddress, TInt aLength, TInt /*aNestingLevel*/, TInt /*aAllocNumber*/ )
{
TInt error = KErrNone;
//
- if (aCellType & EMemSpyDriverFreeCellMask)
+ if ( aCellType == EMemSpyDriverGoodFreeCell || aCellType == EMemSpyDriverBadFreeCellAddress || aCellType == EMemSpyDriverBadFreeCellSize )
{
+ TMemSpyDriverFreeCell cell;
+ cell.iType = aCellType;
+ cell.iAddress = aCellAddress;
+ cell.iLength = aLength;
+ //
if ( iStackStream )
{
if ( !iStackStream->IsFull() )
@@ -401,16 +669,163 @@
error = KErrAbort;
}
}
- }
+ else
+ {
+ NKern::ThreadEnterCS();
+ error = iFreeCells.Append( cell );
+ NKern::ThreadLeaveCS();
+ //
+ if ( error == KErrNone )
+ {
+ ++iFreeCellCount;
+ }
+ }
+ }
//
return ( error == KErrNone );
}
void DMemSpyDriverLogChanHeapBase::HandleHeapWalkInit()
- {
- iFreeCellCount = 0;
- }
+ {
+ // Can't delete the free cell list here as we might be walking the kernel heap
+ iFreeCellCount = 0;
+ }
+
+
+
+
+
+
+TInt DMemSpyDriverLogChanHeapBase::PrepareFreeCellTransferBuffer()
+ {
+ // Transfer free cells immediately from xfer stream
+ TRACE( Kern::Printf("DMemSpyDriverLogChanHeapBase::PrepareFreeCellTransferBuffer() - START - iHeapStream: 0x%08x", iHeapStream ));
+ __ASSERT_ALWAYS( !iHeapStream, MemSpyDriverUtils::PanicThread( ClientThread(), EPanicHeapFreeCellStreamNotClosed ) );
+ //
+ TInt r = KErrNoMemory;
+ //
+ NKern::ThreadEnterCS();
+ //
+ iHeapStream = new RMemSpyMemStreamWriter();
+ if ( iHeapStream )
+ {
+ const TInt requiredMemory = CalculateFreeCellBufferSize();
+ r = OpenXferStream( *iHeapStream, requiredMemory );
+ TRACE( Kern::Printf("DMemSpyDriverLogChanHeapBase::PrepareFreeCellTransferBuffer() - requested %d bytes for free cell list, r: %d", requiredMemory, r ));
+
+ if ( r == KErrNone )
+ {
+ const TInt count = iFreeCells.Count();
+ TRACE( Kern::Printf("DMemSpyDriverLogChanHeapBase::PrepareFreeCellTransferBuffer() - free cell count: %d", count ));
+ //
+ iHeapStream->WriteInt32( count );
+ for( TInt i=0; i<count; i++ )
+ {
+ const TMemSpyDriverFreeCell& cell = iFreeCells[ i ];
+ TRACE( Kern::Printf("DMemSpyDriverLogChanHeapBase::PrepareFreeCellTransferBuffer() - storing entry: %d", i ));
+ //
+ iHeapStream->WriteInt32( cell.iType );
+ iHeapStream->WriteUint32( reinterpret_cast<TUint32>( cell.iAddress ) );
+ iHeapStream->WriteInt32( cell.iLength );
+ }
+
+ // Finished with the array now
+ iFreeCells.Reset();
+
+ // We return the amount of client-side memory that needs to be allocated to hold the buffer
+ r = requiredMemory;
+ }
+ }
+ //
+ NKern::ThreadLeaveCS();
+
+ TRACE( Kern::Printf("DMemSpyDriverLogChanHeapBase::PrepareFreeCellTransferBuffer() - END - r: %d", r));
+ return r;
+ }
+
+
+TInt DMemSpyDriverLogChanHeapBase::FetchFreeCells( TDes8* aBufferSink )
+ {
+ TRACE( Kern::Printf("DMemSpyDriverLogChanHeapBase::FetchFreeCells() - START - iHeapStream: 0x%08x", iHeapStream ));
+ __ASSERT_ALWAYS( iHeapStream, MemSpyDriverUtils::PanicThread( ClientThread(), EPanicHeapFreeCellStreamNotOpen ) );
+
+ TInt r = KErrNone;
+
+ // Write buffer to client
+ NKern::ThreadEnterCS();
+ r = iHeapStream->WriteAndClose( aBufferSink );
+
+ // Tidy up
+ ReleaseFreeCells();
+
+ NKern::ThreadLeaveCS();
+ //
+ TRACE( Kern::Printf("DMemSpyDriverLogChanHeapBase::FetchFreeCells() - END - r: %d", r));
+ return r;
+ }
+
+
+
+TInt DMemSpyDriverLogChanHeapBase::CalculateFreeCellBufferSize() const
+ {
+ TRACE( Kern::Printf("DMemSpyDriverLogChanHeapBase::CalculateFreeCellBufferSize() - START" ));
+
+ const TInt count = iFreeCells.Count();
+ const TInt entrySize = sizeof( TInt32 ) + sizeof( TInt32 ) + sizeof( TUint32 );
+ const TInt r = ( count * entrySize ) + sizeof( TInt ); // Extra TInt to hold count
+
+ TRACE( Kern::Printf("DMemSpyDriverLogChanHeapBase::CalculateFreeCellBufferSize() - END - r: %d, count: %d, entrySize: %d", r, count, entrySize ));
+ return r;
+ }
+
+
+
+void DMemSpyDriverLogChanHeapBase::ReleaseFreeCells()
+ {
+ TRACE( Kern::Printf("DMemSpyDriverLogChanHeapBase::ReleaseFreeCells() - START - this: 0x%08x", this ));
+
+ // Housekeeping
+ NKern::ThreadEnterCS();
+ iFreeCells.Reset();
+ //
+ iStackStream = NULL;
+ //
+ delete iHeapStream;
+ iHeapStream = NULL;
+ NKern::ThreadLeaveCS();
+
+ TRACE( Kern::Printf("DMemSpyDriverLogChanHeapBase::ReleaseFreeCells() - END - this: 0x%08x", this ));
+ }
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
TInt DMemSpyDriverLogChanHeapBase::OpenKernelHeap( RHeapK*& aHeap, DChunk*& aChunk, TDes8* aClientHeapChunkName )
{
@@ -490,7 +905,7 @@
// Finalise construction of heap
if ( kernelHeap != NULL )
{
- TRACE_KH( Kern::Printf( "DMemSpyDriverLogChanHeapBase::OpenKernelHeap - kernelHeapChunk->Base(): 0x%08x", kernelHeapChunk->Base() ) );
+ TRACE_KH( Kern::Printf( "DMemSpyDriverLogChanHeapBase::OpenKernelHeap - kernelHeap->Base(): 0x%08x, kernelHeapChunk->Base(): 0x%08x", kernelHeap->Base(), kernelHeapChunk->Base() ) );
aHeap = kernelHeap;
aChunk = kernelHeapChunk;
@@ -520,6 +935,27 @@
return r;
}
+
+TInt DMemSpyDriverLogChanHeapBase::OpenKernelHeap( RMemSpyDriverRHeapKernelInPlace& aHeap, TDes8* aClientHeapChunkName )
+ {
+ TRACE_KH( Kern::Printf("DMemSpyDriverLogChanHeapBase::OpenKernelHeap(IP) - START") );
+
+ RHeapK* heap = NULL;
+ DChunk* chunk = NULL;
+ TInt r = OpenKernelHeap( heap, chunk, aClientHeapChunkName );
+
+ TRACE_KH( Kern::Printf("DMemSpyDriverLogChanHeapBase::OpenKernelHeap(IP) - open err: %d", r ) );
+ if ( r == KErrNone )
+ {
+ aHeap.SetKernelHeap( *heap );
+ aHeap.AssociateWithKernelChunk( chunk, TLinAddr( chunk->iBase ), 0 );
+ }
+
+ TRACE_KH( Kern::Printf("DMemSpyDriverLogChanHeapBase::OpenKernelHeap(IP) - END - ret: %d", r ) );
+ return r;
+ }
+
+
TInt DMemSpyDriverLogChanHeapBase::OpenKernelHeap( RMemSpyDriverRHeapKernelFromCopy& aHeap, TDes8* aClientHeapChunkName )
{
TRACE_KH( Kern::Printf("DMemSpyDriverLogChanHeapBase::OpenKernelHeap(CP) - START") );
@@ -581,7 +1017,7 @@
NKern::LockSystem();
const TUint32 copyLength = heapSize; // TODO Min( heap->Size(), heapSize );
- TRACE_KH( Kern::Printf("DMemSpyDriverLogChanHeapBase::OpenKernelHeap(CP) - trying to copy %d (vs orig estimate of %d) bytes from kernel allocator address: 0x%08x", copyLength, heapSize, heap));
+ TRACE_KH( Kern::Printf("DMemSpyDriverLogChanHeapBase::OpenKernelHeap(CP) - trying to copy %d (vs orig estimate of %d) bytes from kernel allocator address: 0x%08x", copyLength, heapSize, heap->Base() ));
memcpy( (TUint8*) heapCopyChunkAddress, heap, copyLength );
NKern::UnlockSystem();