os/kernelhwsrv/kernel/eka/memmodel/epoc/flexible/mmonitor.cpp
author sl
Tue, 10 Jun 2014 14:32:02 +0200
changeset 1 260cb5ec6c19
permissions -rw-r--r--
Update contrib.
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// Copyright (c) 1994-2009 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 the License "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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// Kernel crash debugger - machine independent portion
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// 
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//
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#define INCLUDED_FROM_ASM	// Make DMemModelProcess::iOsAsid public, safe to 
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							// do here as the system has crashed and the inline
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							// DMemModelProcess::OsAsid() requires too much kernel knowlodge.
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#include <kernel/monitor.h>
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#include <memmodel.h>
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void Monitor::DumpMemModelProcessData(DProcess* aProcess)
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	{
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	DMemModelProcess* pP=(DMemModelProcess*)aProcess;
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	// Read the os asid without opening a reference as after the crash this 
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	// is the only running thread.
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	Printf("OS ASID=%d, LPD=%08x\r\n",pP->iOsAsid,pP->iPageDir);
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	Printf("ChunkCount=%d ChunkAlloc=%d\r\n",pP->iChunkCount,pP->iChunkAlloc);
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	TInt i;
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	for (i=0; i<pP->iChunkCount; i++)
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		{
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		DMemModelProcess::SChunkInfo& ci=pP->iChunks[i];
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		Printf("%d: Chunk %08x, access count %d\r\n",i,ci.iChunk,ci.iAccessCount);
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		}
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	}
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void Monitor::DumpChunkData(DChunk* aChunk)
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	{
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	DMemModelChunk* pC=(DMemModelChunk*)aChunk;
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	Printf("Owning Process %08x OS ASIDS %08x\r\n",pC->iOwningProcess);
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	Printf("Size %x, MaxSize %x\r\n",pC->iSize,pC->iMaxSize);
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	Printf("Attrib %x, StartPos %x\r\n",pC->iAttributes,pC->iStartPos);
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	Printf("Type %d\r\n",pC->iChunkType);
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	Printf("PageBitMap=%08x\r\n",pC->iPageBitMap);
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	DumpCpuChunkData(pC);
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	}
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void Monitor::MMProcessInfoCommand()
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	{
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	TScheduler* pS=TScheduler::Ptr();
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#ifdef __SMP__
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	TInt i;
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	for (i=0; i<KMaxCpus; ++i)
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		{
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		DMonObject* pA = (DMonObject*)pS->iSub[i]->iAddressSpace;
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		Printf("CPU%d: TheCurrentAddressSpace=%08x\r\n",i,pA);
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		}
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#else
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	DMonObject* pA=(DMonObject*)pS->iAddressSpace;
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	Printf("TheCurrentAddressSpace=%08x\r\n",pA);
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#endif
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	}
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void Monitor::MDisplayCodeSeg(DCodeSeg* aSeg)
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	{
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	DMemModelCodeSeg* seg = (DMemModelCodeSeg*) aSeg;
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	DMemModelCodeSegMemory* mem = seg->Memory();
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	Printf("   iKernelData: %08x\r\n",seg->iKernelData);
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	Printf("   iCreator: %08x\r\n",mem ? mem->iCreator : 0);
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	}
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extern TInt MapProcess(DMemModelProcess* aProcess, TBool aForce);
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EXPORT_C TUint Monitor::MapAndLocateUserStack(DThread* aThread)
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	{
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	DMemModelProcess* pP=(DMemModelProcess*)aThread->iOwningProcess;
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	TInt r = SwitchAddressSpace(pP, EFalse);
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	if (r!=KErrNone)
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		return 0;
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	return aThread->iUserStackRunAddress;
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	}
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EXPORT_C TInt Monitor::SwitchAddressSpace(DProcess* aProcess, TBool aForce)
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	{
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	return MapProcess((DMemModelProcess*)aProcess, aForce);
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	}