--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/kerneltest/e32test/debug/d_eventtracker.h Mon Oct 19 15:55:17 2009 +0100
@@ -0,0 +1,126 @@
+// Copyright (c) 2004-2009 Nokia Corporation and/or its subsidiary(-ies).
+// All rights reserved.
+// This component and the accompanying materials are made available
+// under the terms of the License "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:
+// e32test/debug/d_eventtracker.h
+//
+//
+
+#ifndef __D_EVENTTRACKER_H__
+#define __D_EVENTTRACKER_H__
+
+#include "platform.h"
+
+
+/** Base class for representing objects being tracked. */
+
+class TTrackedItem
+ {
+public:
+ TTrackedItem(const DBase* aObject);
+
+public:
+ SDblQueLink iLink;
+ const DBase* const iObject; // key
+ TBool iAccountedFor;
+ };
+
+/** Subclass for representing DObjects being tracked. */
+
+class TTrackedObject : public TTrackedItem
+ {
+public:
+ TTrackedObject(DObject* aObject, TObjectType aType);
+ TBool CheckIntegrity(const TDesC& aName, TObjectType aType) const;
+
+public:
+ TFullName iFullName;
+ const TObjectType iType;
+ };
+
+/** Subclass for representing DCodeSegs being tracked. */
+
+class TTrackedCodeSeg : public TTrackedItem
+ {
+public:
+ TTrackedCodeSeg(const DCodeSeg* aCodeSeg);
+ TBool CheckIntegrity(TInt aAccessCount) const;
+
+public:
+ TInt iAccessCount;
+ };
+
+
+/** Event handler and container for all objects being tracked. */
+
+class DEventTracker : public DKernelEventHandler
+ {
+public:
+ DEventTracker();
+ TInt Create(DLogicalDevice* aDevice, TBool aUseHook);
+ ~DEventTracker();
+ TInt Start();
+ TInt Stop();
+
+private:
+ static TUint EventHandler(TKernelEvent aEvent, TAny* a1, TAny* a2, TAny* aThis);
+ TUint HandleEvent(TKernelEvent aType, TAny* a1, TAny* a2);
+ TInt AddExistingObjects();
+ TInt AddObjectsFromContainer(TObjectType aType);
+ TInt AddCodeSegsFromList();
+ TInt CheckIntegrity();
+ void CheckContainerIntegrity(TObjectType aType);
+ void CheckCodeSegListIntegrity();
+ void CheckAllAccountedFor();
+
+ TTrackedItem* LookupItem(DBase* aItem) const;
+
+ void AddObject(TObjectType aType, DObject* aObject);
+ void RemoveObject(TObjectType aType, DObject* aObject);
+ void UpdateObject(TObjectType aType, DObject* aObject, TBool aMustBeRenamed);
+ void AddCodeSeg(DCodeSeg* aCodeSeg, DProcess* aProcess);
+ void RemoveCodeSeg(DCodeSeg* aCodeSeg, DProcess* aProcess);
+ void ProcessLoaded(DProcess* aProcess);
+
+ void StopTracking();
+ void DumpCounters() const;
+
+ static void BranchToEventHandler();
+ static TUint BreakPointSize();
+
+ // Dummy handler to be copied into RAM
+ static TUint DummyHandler(TKernelEvent aEvent, TAny* a1, TAny* a2);
+
+ // Size of dummy handler
+ static TUint DummyHandlerSize();
+
+ // Copy the default handler
+ static void CopyDummyHandler(TLinAddr aLinAddr);
+
+private:
+ /** Lock serialising calls to event handler */
+ DMutex* iLock;
+ TBool iTracking;
+ /** Tracking list (of TTrackedItem).
+ Must be accessed only when tracking is disabled or with iLock held.
+ Object addresses are used as keys and so must be unique.
+ */
+ SDblQue iItems;
+ TInt iOOM;
+ TInt iErrorCount;
+ TInt iCounters[EEventLimit];
+ DLogicalDevice* iDevice; // open reference to LDD for avoiding lifetime issues
+ };
+
+GLREF_D DEventTracker* TheEventTracker;
+
+#endif // __D_EVENTTRACKER_H__