--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/memana/analyzetoolclient/dynamicmemoryhook/inc/analyzetoolallocator.h Thu Feb 11 15:51:35 2010 +0200
@@ -0,0 +1,247 @@
+/*
+* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description: Declaration of the class RAnalyzeToolAllocator.
+*
+*/
+
+
+#ifndef ANALYZETOOLALLOCATOR_H
+#define ANALYZETOOLALLOCATOR_H
+
+// INCLUDES
+#include <u32std.h>
+#include "codeblock.h"
+#include "threadstack.h"
+#include "analyzetoolmemoryallocator.h"
+#include <analyzetool/atstorageserverclnt.h>
+#include <analyzetool/analyzetool.h>
+#include <analyzetool/atcommon.h>
+
+// CLASS DECLARATION
+
+/**
+* Class which overloads the RAlloctor functions and provides access to
+* the overloaded functions
+*/
+class RAnalyzeToolAllocator : public RAnalyzeToolMemoryAllocator
+ {
+
+ public:
+
+ /**
+ * C++ default constructor.
+ * @param aNotFirst Is this first thread using this heap
+ * @param aStorageServer A reference to the
+ * <code>RATStorageServer</code> which is
+ * used to store kernel events
+ * @param aCodeblocks A reference to array of code segments
+ * @param aMutex A reference to mutex for schedule access to the
+ * shared resources
+ * @param aProcessId A reference to the observed process id
+ * @param aAnalyzeTool Reference to device driver
+ * @param aStorageServerOpen Variable to check if Storage server is connected
+ * @param aLogOption The logging option for storage server
+ * @param aAllocCallStackSize Max number of stored callstack items when memory allocated
+ * @param aFreeCallStackSize Max number of stored callstack items when memory freed
+ */
+ RAnalyzeToolAllocator( TBool aNotFirst,
+ RATStorageServer& aStorageServer,
+ RArray<TCodeblock>& aCodeblocks,
+ RMutex& aMutex,
+ TUint aProcessId,
+ RAnalyzeTool& aAnalyzeTool,
+ TBool aStorageServerOpen,
+ TUint32 aLogOption,
+ TUint32 aAllocCallStackSize,
+ TUint32 aFreeCallStackSize );
+ /**
+ * Destructor.
+ */
+ ~RAnalyzeToolAllocator();
+
+ /**
+ * Allocates a cell of specified size from the heap.
+ * @param aSize The size of the cell to be allocated from the heap.
+ * @return TAny* A pointer to the allocated cell.
+ */
+ TAny* Alloc( TInt aSize );
+
+ /**
+ * Frees the specified cell and returns it to the heap.
+ * @param aPtr A pointer to a cell to be freed.
+ */
+ void Free( TAny* aPtr );
+
+ /**
+ * Increases or decreases the size of an existing cell.
+ * @param aPtr A pointer to the cell to be reallocated.
+ * @param aSize The new size of the cell. This may be bigger
+ * or smaller than the size of the original cell.
+ * @param aMode Flags controlling the reallocation.
+ * @return TAny* A pointer to the reallocated cell. This may be the
+ * same as the original pointer supplied through aCell.
+ */
+ //lint --e{1735} suppress "Virtual function has default parameter"
+ TAny* ReAlloc( TAny* aPtr, TInt aSize, TInt aMode = 0 );
+
+ /**
+ * Gets the length of the available space in the specified
+ * allocated cell.
+ * @param aCell A pointer to the allocated cell.
+ * @return TInt The length of the available space in the allocated cell.
+ */
+ TInt AllocLen( const TAny* aCell ) const;
+
+ #ifndef __KERNEL_MODE__
+
+ /**
+ * Opens this heap for shared access. Opening the heap increases
+ * the heap's access count by one.
+ */
+ TInt Open();
+
+ /**
+ * Closes this shared heap. Closing the heap decreases the heap's
+ * access count by one.
+ */
+ void Close();
+
+ /**
+ * The function frees excess committed space from the top of the heap.
+ * The size of the heap is never reduced below the minimum size
+ * specified during creation of the heap.
+ * @return TInt The space reclaimed. If no space can be reclaimed,
+ then this value is zero.
+ */
+ TInt Compress();
+
+ /**
+ * Frees all allocated cells on this heap.
+ */
+ void Reset();
+
+ /**
+ * Gets the number of cells allocated on this heap, and
+ * the total space allocated to them.
+ * @param aTotalAllocSize On return, contains the total
+ * space allocated to the cells.
+ * @return TInt The number of cells allocated on this heap.
+ */
+ TInt AllocSize( TInt& aTotalAllocSize ) const;
+
+ /**
+ * Gets the total free space currently available on the heap and the
+ * space available in the largest free block. The space available
+ * represents the total space which can be allocated. Note that
+ * compressing the heap may reduce the total free space available
+ * and the space available in the largest free block.
+ * @param aBiggestBlock On return, contains the space available
+ * in the largest free block on the heap.
+
+ * @return TInt The total free space currently available on the heap.
+
+ */
+ TInt Available( TInt& aBiggestBlock ) const;
+
+ #endif
+
+ /**
+ * Invocates specified debug funtionality.
+ * @param aFunc The debug function
+ * @param a1 Debug function specific paramenter.
+ * @param a2 Debug function specific paramenter.
+ * @return TInt Returns KErrNone, if successful otherwise one
+ * of the other system-wide error codes.
+ */
+ //lint --e{1735} suppress "Virtual function has default parameter"
+ TInt DebugFunction( TInt aFunc, TAny* a1 = NULL, TAny* a2 = NULL );
+
+ protected:
+
+ /**
+ * Extension function
+ * @param aExtensionId The extension id
+ * @param a0 Extension specific paramenter.
+ * @param a1 Extension specific paramenter.
+ * @return TInt Returns KErrNone, if successful otherwise one
+ * of the other system-wide error codes.
+ */
+ TInt Extension_( TUint aExtensionId, TAny*& a0, TAny* a1 );
+
+ public: // from RAnalyzeToolMemoryAllocator
+
+ /**
+ * Installs the RTraceAllocator allocator
+ */
+ void Uninstall();
+
+ /**
+ * Shares the heap
+ */
+ void ShareHeap();
+
+ private:
+
+ /**
+ * Find the current thread which is using the heap
+ * @param aStackStart A reference where the stack start is stored
+ * @return TBool ETrue if a thread can be found, EFalse otherwise
+ */
+ TBool FindCurrentThreadStack( TUint32& aStackStart );
+
+ private:
+
+ /* Handle to the storage server*/
+ RATStorageServer& iStorageServer;
+
+ /* A reference to codeblocks of the observed process */
+ RArray<TCodeblock>& iCodeblocks;
+
+ /* The mutex for serializing access to the shared resources */
+ RMutex& iMutex;
+
+ /* The process id */
+ TUint iProcessId;
+
+ /* Array for storing the callstack */
+ TFixedArray<TUint32, KATMaxCallstackLength> iCallStack;
+
+ /* Array for storing the reallocation callstack */
+ TFixedArray <TUint32, KATMaxCallstackLength> iReCallStack;
+
+ /* Array for storing the reallocation callstack */
+ TFixedArray<TUint32, KATMaxFreeCallstackLength> iFreeCallStack;
+
+ /* Array of threads using this heap */
+ RArray<TThreadStack> iThreadArray;
+
+ RAnalyzeTool& iAnalyzeTool;
+
+ /* A flag for indicating that the RATStorageServer is open */
+ TBool iStorageServerOpen;
+
+ /* Log option */
+ TUint32 iLogOption;
+
+ /* Max items on stored call stack when memory allocated */
+ TUint32 iAllocMaxCallStack;
+
+ /* Max items on stored call stack when memory freed */
+ TUint32 iFreeMaxCallStack;
+
+ };
+
+#endif // ANALYZETOOLALLOCATOR_H
+
+// End of File