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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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#include "MemSpyDriverLogChanCodeSegs.h"
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// System includes
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#include <plat_priv.h>
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#include <memspy/driver/memspydriverobjectsshared.h>
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// Shared includes
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#include "MemSpyDriverOpCodes.h"
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#include "MemSpyDriverObjectsInternal.h"
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// User includes
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#include "MemSpyDriverUtils.h"
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#include "MemSpyDriverOSAdaption.h"
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DMemSpyDriverLogChanCodeSegs::DMemSpyDriverLogChanCodeSegs( DMemSpyDriverDevice& aDevice, DThread& aThread )
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: DMemSpyDriverLogChanBase( aDevice, aThread )
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{
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TRACE( Kern::Printf("DMemSpyDriverLogChanCodeSegs::DMemSpyDriverLogChanCodeSegs() - this: 0x%08x", this ));
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}
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DMemSpyDriverLogChanCodeSegs::~DMemSpyDriverLogChanCodeSegs()
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{
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TRACE( Kern::Printf("DMemSpyDriverLogChanCodeSegs::~DMemSpyDriverLogChanCodeSegs() - START - this: 0x%08x", this ));
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TRACE( Kern::Printf("DMemSpyDriverLogChanCodeSegs::~DMemSpyDriverLogChanCodeSegs() - END - this: 0x%08x", this ));
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}
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TInt DMemSpyDriverLogChanCodeSegs::Request( TInt aFunction, TAny* a1, TAny* a2 )
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{
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TInt r = DMemSpyDriverLogChanBase::Request( aFunction, a1, a2 );
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if ( r == KErrNone )
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{
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switch( aFunction )
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{
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case EMemSpyDriverOpCodeCodeSegsGetAll:
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r = GetCodeSegs( (TMemSpyDriverInternalCodeSnapshotParams*) a1 );
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break;
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case EMemSpyDriverOpCodeCodeSegsGetCodeSegsForProcess:
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r = GetCodeSegsForProcess( (TMemSpyDriverInternalCodeSnapshotParams*) a1 );
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break;
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case EMemSpyDriverOpCodeCodeSegsGetCodeSegInfo:
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r = GetCodeSegInfo( (TMemSpyDriverInternalCodeSegParams*) a1 );
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break;
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default:
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r = KErrNotSupported;
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break;
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}
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}
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//
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return r;
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}
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TBool DMemSpyDriverLogChanCodeSegs::IsHandler( TInt aFunction ) const
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{
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return ( aFunction > EMemSpyDriverOpCodeCodeSegsBase && aFunction < EMemSpyDriverOpCodeCodeSegsEnd );
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}
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TInt DMemSpyDriverLogChanCodeSegs::GetCodeSegs( TMemSpyDriverInternalCodeSnapshotParams* aParams )
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{
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TMemSpyDriverInternalCodeSnapshotParams params;
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TInt r = Kern::ThreadRawRead( &ClientThread(), aParams, ¶ms, sizeof(TMemSpyDriverInternalCodeSnapshotParams) );
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if ( r != KErrNone )
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{
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TRACE( Kern::Printf("DMemSpyDriverLogChanCodeSegs::GetCodeSegsForProcess() - END - params read error: %d", r));
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return r;
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}
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DMemSpyDriverOSAdaptionDCodeSeg& codeSegAdaption = OSAdaption().DCodeSeg();
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const TInt maxCount = params.iMaxCount;
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TRACE( Kern::Printf("DMemSpyDriverLogChanCodeSegs::GetCodeSegsForProcess() - START - RAM-only: %d, maxCount: %d", params.iFilter, maxCount));
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// This is the number of items we have written to the client
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TRACE( Kern::Printf("DMemSpyDriverLogChanCodeSegs::GetCodeSegs() - START - maxCount: %d", maxCount));
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TInt clientWriteCount = 0;
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// Need to get the code segs for each process. We'll let the client worry about filtering
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// duplicates.
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DObjectCon* container = Kern::Containers()[ EProcess ];
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Kern::AccessCode();
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container->Wait();
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TRACE( Kern::Printf("DMemSpyDriverLogChanCodeSegs::GetCodeSegs - 1"));
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//
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TFullName name;
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const TInt count = container->Count();
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TRACE( Kern::Printf("DMemSpyDriverLogChanCodeSegs::GetCodeSegs - 2, count: %d", count));
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for(TInt i=0; i<count && r == KErrNone; i++)
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{
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DProcess* process = (DProcess*) (*container)[ i ];
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process->Name( name );
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TRACE( Kern::Printf("DMemSpyDriverLogChanCodeSegs::GetCodeSegs - 3, proc: %O", process));
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SDblQue queue;
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//
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const TInt clientSpaceRemaining = maxCount - clientWriteCount;
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const TInt numberOfCodeSegs = codeSegAdaption.GetCodeSegQueue( *process, queue );
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const TInt numberOfCodeSegsToWriteToClient = Min( numberOfCodeSegs, clientSpaceRemaining );
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TRACE( Kern::Printf("DMemSpyDriverLogChanCodeSegs::GetCodeSegs - 4, clientSpaceRemaining: %d", clientSpaceRemaining));
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TRACE( Kern::Printf("DMemSpyDriverLogChanCodeSegs::GetCodeSegs - 5, numberOfCodeSegs: %d", numberOfCodeSegs));
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TRACE( Kern::Printf("DMemSpyDriverLogChanCodeSegs::GetCodeSegs - 6, numberOfCodeSegsToWriteToClient: %d", numberOfCodeSegsToWriteToClient));
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//
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SDblQueLink* link = queue.iA.iNext;
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r = KErrNone;
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//
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for( TInt j=0; j<numberOfCodeSegsToWriteToClient && r == KErrNone; ++j, link = link->iNext )
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{
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DCodeSeg* codeSegment = codeSegAdaption.GetCodeSeg( link );
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// If the client only wants RAM-loaded codesegs, then ignore XIP.
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TBool writeEntryToClient = ETrue;
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if ( params.iFilter )
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{
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const TBool isXIP = codeSegAdaption.GetIsXIP( *codeSegment );
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writeEntryToClient = ( !isXIP );
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}
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// Now write
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if ( writeEntryToClient )
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{
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r = Kern::ThreadRawWrite( &ClientThread(), params.iHandles + clientWriteCount, &codeSegment, sizeof(TAny*) );
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TRACE( Kern::Printf("DMemSpyDriverLogChanCodeSegs::GetCodeSegs - 7, codeSegment: 0x%08x to client: %d", codeSegment, r));
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if ( r == KErrNone )
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{
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++clientWriteCount;
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}
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}
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}
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TRACE( Kern::Printf("DMemSpyDriverLogChanCodeSegs::GetCodeSegs - 8"));
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codeSegAdaption.EmptyCodeSegQueue( queue );
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TRACE( Kern::Printf("DMemSpyDriverLogChanCodeSegs::GetCodeSegs - 9"));
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}
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//
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TRACE( Kern::Printf("DMemSpyDriverLogChanCodeSegs::GetCodeSegs - 10"));
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container->Signal();
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Kern::EndAccessCode();
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TRACE( Kern::Printf("DMemSpyDriverLogChanCodeSegs::GetCodeSegs - 11 - r: %d", r));
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if ( r == KErrBadDescriptor )
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{
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MemSpyDriverUtils::PanicThread( ClientThread(), EPanicBadDescriptor );
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}
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else
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{
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const TInt finalWrite = Kern::ThreadRawWrite( &ClientThread(), params.iCountPtr, &clientWriteCount, sizeof(TInt) );
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if ( r == KErrNone )
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{
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r = finalWrite;
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}
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}
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TRACE( Kern::Printf("DMemSpyDriverLogChanCodeSegs::GetCodeSegs() - END - wrote %d handles to client, r: %d", clientWriteCount, r));
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return r;
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}
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TInt DMemSpyDriverLogChanCodeSegs::GetCodeSegsForProcess( TMemSpyDriverInternalCodeSnapshotParams* aParams )
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{
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TMemSpyDriverInternalCodeSnapshotParams params;
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TInt r = Kern::ThreadRawRead( &ClientThread(), aParams, ¶ms, sizeof(TMemSpyDriverInternalCodeSnapshotParams) );
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if ( r != KErrNone )
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{
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TRACE( Kern::Printf("DMemSpyDriverLogChanCodeSegs::GetCodeSegsForProcess() - END - params read error: %d", r));
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return r;
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}
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DMemSpyDriverOSAdaptionDCodeSeg& codeSegAdaption = OSAdaption().DCodeSeg();
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const TInt maxCount = params.iMaxCount;
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TRACE( Kern::Printf("DMemSpyDriverLogChanCodeSegs::GetCodeSegsForProcess() - START - pid: %d, maxCount: %d", params.iFilter, maxCount));
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r = OpenTempObject( params.iFilter, EProcess );
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if (r != KErrNone)
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{
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Kern::Printf("DMemSpyDriverLogChanCodeSegs::GetCodeSegsForProcess() - END - process not found");
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return r;
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}
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DProcess* pP = (DProcess*) TempObject();
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SDblQue q;
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Kern::AccessCode();
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const TInt actcount = codeSegAdaption.GetCodeSegQueue( *pP, q );
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CloseTempObject();
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TInt n = Min(actcount, maxCount);
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SDblQueLink* pL = q.iA.iNext;
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r = KErrNone;
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//
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for (TInt i=0; i<n; ++i, pL = pL->iNext)
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{
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DCodeSeg* pS = codeSegAdaption.GetCodeSeg( pL );
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r = Kern::ThreadRawWrite( &ClientThread(), params.iHandles + i, &pS, sizeof(TAny*) );
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if ( r != KErrNone )
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{
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break;
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}
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}
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codeSegAdaption.EmptyCodeSegQueue( q );
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Kern::EndAccessCode();
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if (r == KErrBadDescriptor)
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{
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MemSpyDriverUtils::PanicThread( ClientThread(), EPanicBadDescriptor );
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}
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else
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{
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const TInt finalWrite = Kern::ThreadRawWrite( &ClientThread(), params.iCountPtr, &actcount, sizeof(TInt) );
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if ( r == KErrNone )
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{
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r = finalWrite;
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}
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}
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TRACE( Kern::Printf("DMemSpyDriverLogChanCodeSegs::GetCodeSegsForProcess() - END - act count: %d, r: %d", actcount, r));
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return r;
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}
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TInt DMemSpyDriverLogChanCodeSegs::GetCodeSegInfo( TMemSpyDriverInternalCodeSegParams* aParams )
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{
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TRACE( Kern::Printf("DMemSpyDriverLogChanCodeSegs::GetCodeSegInfo() - START"));
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TMemSpyDriverInternalCodeSegParams params;
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TInt r = Kern::ThreadRawRead( &ClientThread(), aParams, ¶ms, sizeof(TMemSpyDriverInternalCodeSegParams) );
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if ( r != KErrNone )
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{
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TRACE( Kern::Printf("DMemSpyDriverLogChanCodeSegs::GetCodeSegInfo() - END - params read error: %d", r));
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return r;
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}
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TMemSpyDriverCodeSegInfo codeSegInfo;
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codeSegInfo.iSize = 0;
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// Create info
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codeSegInfo.iCreateInfo.iFileName.Zero();
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codeSegInfo.iCreateInfo.iCodeSize = 0;
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codeSegInfo.iCreateInfo.iTextSize = 0;
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codeSegInfo.iCreateInfo.iDataSize = 0;
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codeSegInfo.iCreateInfo.iBssSize = 0;
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codeSegInfo.iCreateInfo.iTotalDataSize = 0;
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// Memory Info
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codeSegInfo.iMemoryInfo.iCodeBase = 0;
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codeSegInfo.iMemoryInfo.iCodeSize = 0;
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codeSegInfo.iMemoryInfo.iConstDataBase = 0;
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codeSegInfo.iMemoryInfo.iConstDataSize = 0;
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codeSegInfo.iMemoryInfo.iInitialisedDataBase = 0;
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codeSegInfo.iMemoryInfo.iInitialisedDataSize = 0;
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codeSegInfo.iMemoryInfo.iUninitialisedDataBase = 0;
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codeSegInfo.iMemoryInfo.iUninitialisedDataSize = 0;
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DProcess* process = NULL;
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DMemSpyDriverOSAdaptionDCodeSeg& codeSegAdaption = OSAdaption().DCodeSeg();
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r = KErrNotFound;
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Kern::AccessCode();
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DCodeSeg* codeSeg = codeSegAdaption.GetCodeSegFromHandle( params.iHandle );
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TRACE( Kern::Printf("DMemSpyDriverLogChanCodeSegs::GetCodeSegInfo() - codeSeg: 0x%08x, handle: 0x%08x", codeSeg, params.iHandle ));
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if ( codeSeg != NULL )
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{
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#ifdef __EPOC32__
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TRACE( Kern::Printf("DMemSpyDriverLogChanCodeSegs::GetCodeSegInfo() - calling Kern::CodeSegGetMemoryInfo for code seg: %C...", codeSeg ) );
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Kern::CodeSegGetMemoryInfo( *codeSeg, codeSegInfo.iMemoryInfo, process );
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r = KErrNone;
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TRACE( Kern::Printf("DMemSpyDriverLogChanCodeSegs::GetCodeSegInfo() - called Kern::CodeSegGetMemoryInfo, r: %d", r ) );
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#else
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r = KErrNone;
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#endif
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//
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if ( r == KErrNone )
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{
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TRACE( Kern::Printf("DMemSpyDriverLogChanCodeSegs::GetCodeSegInfo() - calling Info...") );
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codeSegAdaption.GetCreateInfo( *codeSeg, codeSegInfo.iCreateInfo );
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TRACE( Kern::Printf("DMemSpyDriverLogChanCodeSegs::GetCodeSegInfo() - called info" ) );
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TRACE( Kern::Printf("DMemSpyDriverLogChanCodeSegs::GetCodeSegInfo() - codeSegInfo.iMemoryInfo.iCodeBase: 0x%08x, codeSegInfo.iMemoryInfo.iCodeSize: %8d", codeSegInfo.iMemoryInfo.iCodeBase, codeSegInfo.iMemoryInfo.iCodeSize ) );
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codeSegInfo.iSize = codeSegAdaption.GetSize( *codeSeg );
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TRACE( Kern::Printf("DMemSpyDriverLogChanCodeSegs::GetCodeSegInfo() - doing write to user land..." ) );
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r = Kern::ThreadRawWrite( &ClientThread(), params.iInfoPointer, &codeSegInfo, sizeof(TMemSpyDriverCodeSegInfo) );
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TRACE( Kern::Printf("DMemSpyDriverLogChanCodeSegs::GetCodeSegInfo() - done write to user-land, r: %d", r ) );
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}
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}
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Kern::EndAccessCode();
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//
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if ( r == KErrBadDescriptor )
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{
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MemSpyDriverUtils::PanicThread( ClientThread(), EPanicBadDescriptor );
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}
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//
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return r;
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}
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