author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Mon, 04 Oct 2010 02:45:59 +0300 | |
changeset 55 | f2950aff7424 |
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permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies). |
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* All rights reserved. |
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* This component and the accompanying materials are made available |
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* under the terms of "Eclipse Public License v1.0" |
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* which accompanies this distribution, and is available |
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* at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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* |
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* Initial Contributors: |
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* Nokia Corporation - initial contribution. |
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* |
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* Contributors: |
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* |
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* Description: |
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* |
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*/ |
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#ifndef MEMSPYDRIVERHEAP_H |
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#define MEMSPYDRIVERHEAP_H |
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// System includes |
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#include <e32cmn.h> |
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#include <kern_priv.h> |
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#include <memspy/driver/memspydriverobjectsshared.h> |
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#include <memspy/driver/memspydriverenumerationsshared.h> |
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// User includes |
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#include "MemSpyDriverObjectsInternal.h" |
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#include "MemSpyDriverOSAdaption.h" |
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// Constants |
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// We shouldn't be using any of these any more! -Tomsci |
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const TUint KRHeapObjectSize = 0x74; |
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const TUint KRAllocatorAndRHeapMemberDataOffset = 4; // 4 bytes past start of allocator address, i.e. skipping the vtable |
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const TUint KRHeapMemberDataSize = KRHeapObjectSize - KRAllocatorAndRHeapMemberDataOffset; |
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// Classes referenced |
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namespace LtkUtils |
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{ |
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class RAllocatorHelper; |
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} |
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/** |
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* Essentially a mirror of RAllocator and RHeap's layout. |
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*/ |
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class RMemSpyDriverRHeapBase |
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{ |
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protected: |
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RMemSpyDriverRHeapBase(); |
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public: // API |
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void PrintInfo(); |
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LtkUtils::RAllocatorHelper* Helper(); |
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TMemSpyHeapInfo::THeapImplementationType GetTypeFromHelper() const; |
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public: // Virtual API |
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virtual void Reset(); |
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virtual void Close(); |
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virtual DChunk& Chunk() = 0; |
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virtual const DChunk& Chunk() const = 0; |
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virtual const TLinAddr ChunkBase() const = 0; |
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protected: |
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LtkUtils::RAllocatorHelper* iHelper; |
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}; |
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class RMemSpyDriverRHeapUser : public RMemSpyDriverRHeapBase |
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{ |
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public: |
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RMemSpyDriverRHeapUser( DMemSpyDriverOSAdaption& aOSAdaption ); |
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TInt OpenUserHeap(DThread& aThread, TBool aEuserUdeb); |
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DChunk& Chunk() { return *iChunk; } |
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const DChunk& Chunk() const { return *iChunk; } |
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const TLinAddr ChunkBase() const { return (TLinAddr)OSAdaption().DChunk().GetBase(*iChunk); } |
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private: |
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inline DMemSpyDriverOSAdaption& OSAdaption() { return iOSAdaption; } |
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inline const DMemSpyDriverOSAdaption& OSAdaption() const { return iOSAdaption; } |
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private: |
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DMemSpyDriverOSAdaption& iOSAdaption; |
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DChunk* iChunk; |
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}; |
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class RMemSpyDriverRHeapKernelFromCopy : public RMemSpyDriverRHeapBase |
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{ |
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public: |
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RMemSpyDriverRHeapKernelFromCopy( DMemSpyDriverOSAdaption& aOSAdaption ); |
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public: // API |
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TInt AssociateWithKernelChunk( DChunk* aKernelChunk, DChunk* aCopiedChunk, TLinAddr aCopiedChunkBase, TInt aOffset ); |
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TBool IsOpen(); |
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public: // From RMemSpyDriverRHeapBase |
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void Reset(); |
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void Close(); |
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DChunk& Chunk(); |
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const DChunk& Chunk() const; |
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const TLinAddr ChunkBase() const { return iChunkBase; } |
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private: |
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inline DMemSpyDriverOSAdaption& OSAdaption() { return iOSAdaption; } |
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inline const DMemSpyDriverOSAdaption& OSAdaption() const { return iOSAdaption; } |
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private: |
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DMemSpyDriverOSAdaption& iOSAdaption; |
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// Copy of the client's heap data |
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DChunk* iChunk; |
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TLinAddr iChunkBase; |
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}; |
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class RMemSpyDriverRHeapKernelInPlace : public RMemSpyDriverRHeapBase |
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{ |
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public: |
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RMemSpyDriverRHeapKernelInPlace( DMemSpyDriverOSAdaption& aOSAdaption ); |
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TInt OpenKernelHeap(); |
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public: // From RMemSpyDriverRHeapBase |
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void Close(); |
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DChunk& Chunk(); |
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const DChunk& Chunk() const; |
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const TLinAddr ChunkBase() const { return (TLinAddr)OSAdaption().DChunk().GetBase(*iChunk); } |
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private: |
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inline DMemSpyDriverOSAdaption& OSAdaption() { return iOSAdaption; } |
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inline const DMemSpyDriverOSAdaption& OSAdaption() const { return iOSAdaption; } |
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private: |
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DMemSpyDriverOSAdaption& iOSAdaption; |
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// Only important member data is the base class's RAllocatorHelper |
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// We do cache the chunk though |
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DChunk* iChunk; |
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}; |
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#endif |