--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/memspy/Driver/Kernel/Source/SubChannels/MemSpyDriverLogChanThreadAndProcess.cpp Tue Feb 02 01:57:15 2010 +0200
@@ -0,0 +1,511 @@
+/*
+* 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:
+*
+*/
+
+#include "MemSpyDriverLogChanThreadAndProcess.h"
+
+// System includes
+#include <platform.h>
+#include <memspy/driver/memspydriverobjectsshared.h>
+#include <memspy/driver/memspydriverpanics.h>
+
+// Shared includes
+#include "MemSpyDriverOpCodes.h"
+#include "MemSpyDriverObjectsInternal.h"
+
+// User includes
+#include "MemSpyDriverUtils.h"
+#include "MemSpyDriverOSAdaption.h"
+#include "MemSpyDriverSuspensionManager.h"
+
+// Constants
+const TBool KMemSpyDriverAllowDeadOpenRequests = ETrue;
+const TInt KMemSpyDriverLogChanThreadAndProcessXferBufferSize = 512;
+
+
+DMemSpyDriverLogChanThreadAndProcess::DMemSpyDriverLogChanThreadAndProcess( DMemSpyDriverDevice& aDevice, DThread& aThread )
+: DMemSpyDriverLogChanBase( aDevice, aThread )
+ {
+ TRACE( Kern::Printf("DMemSpyDriverLogChanThreadAndProcess::DMemSpyDriverLogChanThreadAndProcess() - this: 0x%08x", this ));
+ }
+
+
+DMemSpyDriverLogChanThreadAndProcess::~DMemSpyDriverLogChanThreadAndProcess()
+ {
+ TRACE( Kern::Printf("DMemSpyDriverLogChanThreadAndProcess::~DMemSpyDriverLogChanThreadAndProcess() - START - this: 0x%08x", this ));
+
+ TRACE( Kern::Printf("DMemSpyDriverLogChanThreadAndProcess::~DMemSpyDriverLogChanThreadAndProcess() - END - this: 0x%08x", this ));
+ }
+
+
+TInt DMemSpyDriverLogChanThreadAndProcess::Construct()
+ {
+ TRACE( Kern::Printf("DMemSpyDriverLogChanThreadAndProcess::Construct() - START - this: 0x%08x", this ));
+
+ const TInt ret = BaseConstruct( KMemSpyDriverLogChanThreadAndProcessXferBufferSize );
+
+ TRACE( Kern::Printf("DMemSpyDriverLogChanThreadAndProcess::Construct() - END - this: 0x%08x, err: %d", this, ret ));
+ return ret;
+ }
+
+
+TInt DMemSpyDriverLogChanThreadAndProcess::Request( TInt aFunction, TAny* a1, TAny* a2 )
+ {
+ TInt r = DMemSpyDriverLogChanBase::Request( aFunction, a1, a2 );
+ if ( r == KErrNone )
+ {
+ switch( aFunction )
+ {
+ case EMemSpyDriverOpCodeThreadAndProcessGetInfoThread:
+ r = GetInfoThread( (TUint)a1, (TMemSpyDriverInternalThreadInfoParams*) a2);
+ break;
+ case EMemSpyDriverOpCodeThreadAndProcessGetInfoProcess:
+ r = GetInfoProcess( (TUint)a1, (TMemSpyDriverProcessInfo*) a2);
+ break;
+ case EMemSpyDriverOpCodeThreadAndProcessEndThread:
+ r = EndThread( (TUint) a1, (TExitType) ((TUint) a2) );
+ break;
+ case EMemSpyDriverOpCodeThreadAndProcessOpenThread:
+ r = OpenThread( (TUint) a1 );
+ break;
+ case EMemSpyDriverOpCodeThreadAndProcessOpenProcess:
+ r = OpenProcess( (TUint) a1 );
+ break;
+ case EMemSpyDriverOpCodeThreadAndProcessSuspendAllThreads:
+ r = SuspendAllThreadsInProcess( (TUint) a1 );
+ break;
+ case EMemSpyDriverOpCodeThreadAndProcessResumeAllThreads:
+ r = ResumeAllThreadsInProcess( (TUint) a1 );
+ break;
+ case EMemSpyDriverOpCodeThreadAndProcessGetThreads:
+ r = GetThreadsForProcess( (TUint) a1, (TDes8*) a2 );
+ break;
+ case EMemSpyDriverOpCodeThreadAndProcessSetPriorityThread:
+ r = SetPriority( (TUint) a1, (TThreadPriority) ((TUint) a2) );
+ break;
+
+ default:
+ r = KErrNotSupported;
+ break;
+ }
+ }
+ //
+ return r;
+ }
+
+
+TBool DMemSpyDriverLogChanThreadAndProcess::IsHandler( TInt aFunction ) const
+ {
+ return ( aFunction > EMemSpyDriverOpCodeThreadAndProcessBase && aFunction < EMemSpyDriverOpCodeThreadAndProcessEnd );
+ }
+
+
+
+
+
+
+TInt DMemSpyDriverLogChanThreadAndProcess::GetInfoThread( TUint aTid, TMemSpyDriverInternalThreadInfoParams* aParams )
+ {
+ TRACE( Kern::Printf("DMemSpyDriverLogChanThreadAndProcess::GetInfoThread() - START"));
+
+ TMemSpyDriverInternalThreadInfoParams params;
+ TInt r = Kern::ThreadRawRead( &ClientThread(), aParams, ¶ms, sizeof(TMemSpyDriverInternalThreadInfoParams) );
+ if ( r != KErrNone )
+ {
+ TRACE( Kern::Printf("DMemSpyDriverLogChanThreadAndProcess::GetInfoThread() - END - params read error: %d", r));
+ return r;
+ }
+
+ r = OpenTempObject( aTid, EThread );
+ if ( r == KErrNone )
+ {
+ DThread* dThread = (DThread*) TempObject();
+ NKern::ThreadEnterCS();
+
+ // Get DThread adaptor. This is a means of querying DThread internals
+ // without accessing them directly. Takes into account possible differences
+ // between compile time and run time
+ DMemSpyDriverOSAdaptionDThread& dThreadAdaptor = OSAdaption().DThread();
+
+ // Saved CPU registers for thread. Need to get NThread to do this.
+ NThread* nThread = dThreadAdaptor.GetNThread( *dThread );
+ TRACE( Kern::Printf("DMemSpyDriverLogChanThreadAndProcess::GetInfoThread() - getting regs..." ));
+ MemSpyDriverUtils::GetThreadRegisters( nThread, params.iCpu );
+
+ // Name
+ TRACE( Kern::Printf("DMemSpyDriverLogChanThreadAndProcess::GetInfoThread() - getting full name..." ));
+ dThread->FullName( params.iFullName );
+
+ // User framework
+ TRACE( Kern::Printf("DMemSpyDriverLogChanThreadAndProcess::GetInfoThread() - getting allocator..." ));
+ params.iAllocator = dThreadAdaptor.GetAllocator( *dThread );
+
+ TRACE( Kern::Printf("DMemSpyDriverLogChanThreadAndProcess::GetInfoThread() - getting scheduler..." ));
+ params.iScheduler = dThreadAdaptor.GetActiveScheduler( *dThread );
+
+ // User stack information - rest comes from user side API calls
+ TRACE( Kern::Printf("DMemSpyDriverLogChanThreadAndProcess::GetInfoThread() - getting user stack pointer..." ));
+ params.iStackInfo.iUserStackPointer = params.iCpu.iRn[ 12 ];
+
+ // Supervisor stack information
+ TRACE( Kern::Printf("DMemSpyDriverLogChanThreadAndProcess::GetInfoThread() - getting supervisor stack..." ));
+ params.iStackInfo.iSupervisorStackPointer = 0;
+ params.iStackInfo.iSupervisorStackHighWatermark = 0;
+ params.iStackInfo.iSupervisorStackBase = dThreadAdaptor.GetSupervisorStackBase( *dThread );
+ params.iStackInfo.iSupervisorStackSize = dThreadAdaptor.GetSupervisorStackSize( *dThread );
+
+ // Write back to user-side
+ TRACE( Kern::Printf("DMemSpyDriverLogChanThreadAndProcess::GetInfoThread() - writing to user side..." ));
+ r = Kern::ThreadRawWrite( &ClientThread(), aParams, ¶ms, sizeof(TMemSpyDriverInternalThreadInfoParams) );
+ NKern::ThreadLeaveCS();
+ CloseTempObject();
+ }
+
+ TRACE( Kern::Printf("DMemSpyDriverLogChanThreadAndProcess::GetInfoThread() - END - ret: %d", r));
+ return r;
+ }
+
+
+TInt DMemSpyDriverLogChanThreadAndProcess::GetInfoProcess( TUint aPid, TMemSpyDriverProcessInfo* aParams )
+ {
+ TRACE( Kern::Printf("DMemSpyDriverLogChanThreadAndProcess::GetInfoProcess() - START"));
+
+ TMemSpyDriverProcessInfo params;
+ TInt r = Kern::ThreadRawRead( &ClientThread(), aParams, ¶ms, sizeof(TMemSpyDriverProcessInfo) );
+ if ( r != KErrNone )
+ {
+ TRACE( Kern::Printf("DMemSpyDriverLogChanThreadAndProcess::GetInfoProcess() - END - params read error: %d", r));
+ return r;
+ }
+
+ r = OpenTempObject( aPid, EProcess );
+ if ( r == KErrNone )
+ {
+ DMemSpyDriverOSAdaptionDProcess& processAdaptor = OSAdaption().DProcess();
+
+ DProcess* process = (DProcess*) TempObject();
+ NKern::ThreadEnterCS();
+ //
+ params.iFlags = processAdaptor.GetFlags( *process );
+ params.iGeneration = processAdaptor.GetGeneration( *process );
+ params.iSecurityInfo = processAdaptor.GetSecurityInfo( *process );
+
+ // Write back to user-side
+ r = Kern::ThreadRawWrite( &ClientThread(), aParams, ¶ms, sizeof(TMemSpyDriverProcessInfo) );
+ NKern::ThreadLeaveCS();
+ CloseTempObject();
+ }
+
+ TRACE( Kern::Printf("DMemSpyDriverLogChanThreadAndProcess::GetInfoProcess() - END - ret: %d", r));
+ return r;
+ }
+
+
+
+
+
+
+
+
+
+TInt DMemSpyDriverLogChanThreadAndProcess::EndThread( TUint aId, TExitType aType )
+ {
+ TRACE( Kern::Printf("DMemSpyDriverLogChanThreadAndProcess::EndThread() - START - aId: %d, aType: %d", aId, aType ));
+
+ TInt r = OpenTempObject( aId, EThread );
+ if ( r == KErrNone )
+ {
+ DThread* thread = (DThread*) TempObject();
+ //
+ const TInt reason = MapToMemSpyExitReason( aType );
+ Kern::ThreadKill( thread, aType, reason, KMemSpyClientPanic );
+ //
+ CloseTempObject();
+ }
+ else
+ {
+ r = KErrNotFound;
+ }
+
+ TRACE( Kern::Printf("DMemSpyDriverLogChanThreadAndProcess::EndThread() - END - r: %d", r));
+ return r;
+ }
+
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+TInt DMemSpyDriverLogChanThreadAndProcess::OpenThread( TUint aId )
+ {
+ TRACE( Kern::Printf("DMemSpyDriverLogChanThreadAndProcess::OpenThread() - START - aId: %d", aId));
+
+ TInt r = OpenTempObject( aId, EThread, KMemSpyDriverAllowDeadOpenRequests );
+ TRACE( Kern::Printf("DMemSpyDriverLogChanThreadAndProcess::OpenThread() - done open temp object, r: %d", r ));
+ if ( r == KErrNone )
+ {
+ NKern::ThreadEnterCS();
+ DThread* threadToOpen = (DThread*) TempObject();
+ TRACE( Kern::Printf("DMemSpyDriverLogChanThreadAndProcess::OpenThread() - thread exit type: %d", threadToOpen->iExitType ));
+
+ TRACE( Kern::Printf("DMemSpyDriverLogChanThreadAndProcess::OpenThread() - making handle..." ));
+ r = Kern::MakeHandleAndOpen( &ClientThread(), threadToOpen );
+ TRACE( Kern::Printf("DMemSpyDriverLogChanThreadAndProcess::OpenThread() - handle: %d",r ));
+ NKern::ThreadLeaveCS();
+
+ // Balance reference count, handle is still open and mapped into our process since we opened
+ // it above via MakeHandleAndOpen
+ TRACE( Kern::Printf("DMemSpyDriverLogChanThreadAndProcess::OpenThread() - closing temp object..." ));
+ CloseTempObject();
+ TRACE( Kern::Printf("DMemSpyDriverLogChanThreadAndProcess::OpenThread() - closed temp object" ));
+ }
+ else
+ {
+ r = KErrNotFound;
+ }
+
+ TRACE( Kern::Printf("DMemSpyDriverLogChanThreadAndProcess::OpenThread() - END - r: %d", r));
+ return r;
+ }
+
+
+TInt DMemSpyDriverLogChanThreadAndProcess::OpenProcess( TUint aId )
+ {
+ TRACE( Kern::Printf("DMemSpyDriverLogChanThreadAndProcess::OpenProcess() - START - aId: %d", aId));
+
+ TInt r = OpenTempObject( aId, EProcess, KMemSpyDriverAllowDeadOpenRequests );
+ if ( r == KErrNone )
+ {
+ NKern::ThreadEnterCS();
+ DProcess* processToOpen = (DProcess*) TempObject();
+ r = Kern::MakeHandleAndOpen( &ClientThread(), processToOpen );
+ NKern::ThreadLeaveCS();
+
+ // Balance reference count, handle is still open and mapped into our process since we opened
+ // it above via MakeHandleAndOpen
+ CloseTempObject();
+ }
+ else
+ {
+ r = KErrNotFound;
+ }
+
+ TRACE( Kern::Printf("DMemSpyDriverLogChanThreadAndProcess::OpenProcess() - END - r: %d", r));
+ return r;
+ }
+
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+TInt DMemSpyDriverLogChanThreadAndProcess::SuspendAllThreadsInProcess( TUint aPid )
+ {
+ TRACE( Kern::Printf( "DMemSpyDriverLogChanThreadAndProcess::SuspendAllThreadsInProcess() - START - aPid: %d", aPid ));
+
+ DMemSpySuspensionManager& susMan = SuspensionManager();
+ const TInt err = susMan.SuspendAllThreadsInProcess( aPid, ClientThread() );
+
+ TRACE( Kern::Printf( "DMemSpyDriverLogChanThreadAndProcess::SuspendAllThreadsInProcess() - END - aPid: %d, err: %d", aPid, err ));
+ return err;
+ }
+
+
+TInt DMemSpyDriverLogChanThreadAndProcess::ResumeAllThreadsInProcess( TUint aPid )
+ {
+ TRACE( Kern::Printf( "DMemSpyDriverLogChanThreadAndProcess::ResumeAllThreadsInProcess() - START - aPid: %d", aPid ));
+
+ DMemSpySuspensionManager& susMan = SuspensionManager();
+ const TInt err = susMan.ResumeAllThreadsInProcess( aPid, ClientThread() );
+
+ TRACE( Kern::Printf( "DMemSpyDriverLogChanThreadAndProcess::ResumeAllThreadsInProcess() - END - aPid: %d, err: %d", aPid, err ));
+ return err;
+ }
+
+
+TInt DMemSpyDriverLogChanThreadAndProcess::GetThreadsForProcess( TUint aPid, TDes8* aBufferSink )
+ {
+ TRACE( Kern::Printf( "DMemSpyDriverLogChanThreadAndProcess::GetThreadsForProcess() - START - aPid: %d", aPid ) );
+
+ // We open the source thread or process, just to ensure it doesn't die underneath us...
+ TInt r = OpenTempObject( aPid, EProcess );
+ if ( r == KErrNone )
+ {
+ DProcess& process = TempObjectAsProcess();
+
+ // Open stream
+ RMemSpyMemStreamWriter stream = OpenXferStream();
+ TRACE( Kern::Printf( "DMemSpyDriverLogChanThreadAndProcess::GetThreadsForProcess() - stream remaining: %d", stream.Remaining() ) );
+
+ // Save marker pos for the thread count - we'll update it after the loop
+ TInt count = 0;
+ TInt32* pCountMarkerThread = stream.WriteInt32( 0 );
+
+ DMemSpyDriverOSAdaptionDProcess& processAdaptor = OSAdaption().DProcess();
+ SDblQue& threadQueue = processAdaptor.GetThreadQueue( process );
+ SDblQueLink* pLink = threadQueue.First();
+ while( pLink != & threadQueue.iA && !stream.IsFull() )
+ {
+ DThread* pT = processAdaptor.GetThread( pLink );
+ //
+ if ( pT )
+ {
+ const TUint tid = OSAdaption().DThread().GetId( *pT );
+ TRACE( Kern::Printf( "DMemSpyDriverLogChanThreadAndProcess::GetThreadsForProcess() - id: %d (0x%04x)", tid, tid ) );
+ stream.WriteUint32( tid );
+ }
+
+ pLink = pLink->iNext;
+ ++count;
+ }
+
+ if ( stream.IsFull() )
+ {
+ Kern::Printf( "DMemSpyDriverLogChanThreadAndProcess::GetThreadsForProcess() - STREAM FULL - id: %d (0x%04x), thread: %O", process.iId, process.iId, &process );
+ }
+
+ // Now write the count
+ *pCountMarkerThread = count;
+
+ // Tidy up
+ r = stream.WriteAndClose( aBufferSink );
+ TRACE( Kern::Printf( "DMemSpyDriverLogChanThreadAndProcess::GetThreadsForProcess() - r: %d, count: %d", r, count ));
+
+ CloseTempObject();
+ }
+
+ TRACE( Kern::Printf( "DMemSpyDriverLogChanThreadAndProcess::GetThreadsForProcess() - END - aPid: %d, err: %d", aPid, r ));
+ return r;
+ }
+
+
+TInt DMemSpyDriverLogChanThreadAndProcess::SetPriority( TUint aId, TThreadPriority aPriority )
+ {
+ TRACE( Kern::Printf("DMemSpyDriverLogChanThreadAndProcess::SetPriority(T) - START - aId: %d, aPriority: %d", aId, aPriority ));
+
+ TInt r = OpenTempObject( aId, EThread );
+ TRACE( Kern::Printf("DMemSpyDriverLogChanThreadAndProcess::SetPriority(T) - done open temp object, r: %d", r ));
+ if ( r == KErrNone )
+ {
+ // Map user side thread priority to kernel-side absolute thread priority (typically 0-63)
+ const TInt kernelThreadPri = MemSpyDriverUtils::MapToAbsoluteThreadPriority( aPriority );
+ TRACE( Kern::Printf("DMemSpyDriverLogChanThreadAndProcess::SetPriority(T) - user: %d, kernel absolute: %d", aPriority, kernelThreadPri ));
+
+ if ( kernelThreadPri > 0 && kernelThreadPri < KNumPriorities )
+ {
+ NKern::ThreadEnterCS();
+ DThread& thread = TempObjectAsThread();
+ r = Kern::SetThreadPriority( kernelThreadPri, &thread );
+ TRACE( Kern::Printf("DMemSpyDriverLogChanThreadAndProcess::SetPriority(T) - Kern::SetThreadPriority() returned: %d", r ));
+ NKern::ThreadLeaveCS();
+ }
+ else
+ {
+ // Error
+ r = kernelThreadPri;
+ }
+
+ CloseTempObject();
+ }
+
+ TRACE( Kern::Printf("DMemSpyDriverLogChanThreadAndProcess::SetPriority(T) - END - r: %d", r));
+ return r;
+ }
+
+
+
+
+
+
+TInt DMemSpyDriverLogChanThreadAndProcess::MapToMemSpyExitReason( TExitType aType )
+ {
+ TInt ret = 0;
+ //
+ switch( aType )
+ {
+ default:
+ case EExitKill:
+ ret = EPanicForcedKill;
+ break;
+ case EExitTerminate:
+ ret = EPanicForcedTerminate;
+ break;
+ case EExitPanic:
+ ret = EPanicForcedPanic;
+ break;
+ }
+ //
+ return ret;
+ }
+
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