sl@0: // Copyright (c) 1994-2009 Nokia Corporation and/or its subsidiary(-ies).
sl@0: // All rights reserved.
sl@0: // This component and the accompanying materials are made available
sl@0: // under the terms of the License "Eclipse Public License v1.0"
sl@0: // which accompanies this distribution, and is available
sl@0: // at the URL "http://www.eclipse.org/legal/epl-v10.html".
sl@0: //
sl@0: // Initial Contributors:
sl@0: // Nokia Corporation - initial contribution.
sl@0: //
sl@0: // Contributors:
sl@0: //
sl@0: // Description:
sl@0: // Kernel crash debugger - machine independent portion
sl@0: // 
sl@0: //
sl@0: #define INCLUDED_FROM_ASM	// Make DMemModelProcess::iOsAsid public, safe to 
sl@0: 							// do here as the system has crashed and the inline
sl@0: 							// DMemModelProcess::OsAsid() requires too much kernel knowlodge.
sl@0: 
sl@0: #include <kernel/monitor.h>
sl@0: #include <memmodel.h>
sl@0: 
sl@0: void Monitor::DumpMemModelProcessData(DProcess* aProcess)
sl@0: 	{
sl@0: 	DMemModelProcess* pP=(DMemModelProcess*)aProcess;
sl@0: 	// Read the os asid without opening a reference as after the crash this 
sl@0: 	// is the only running thread.
sl@0: 	Printf("OS ASID=%d, LPD=%08x\r\n",pP->iOsAsid,pP->iPageDir);
sl@0: 	Printf("ChunkCount=%d ChunkAlloc=%d\r\n",pP->iChunkCount,pP->iChunkAlloc);
sl@0: 	TInt i;
sl@0: 	for (i=0; i<pP->iChunkCount; i++)
sl@0: 		{
sl@0: 		DMemModelProcess::SChunkInfo& ci=pP->iChunks[i];
sl@0: 		Printf("%d: Chunk %08x, access count %d\r\n",i,ci.iChunk,ci.iAccessCount);
sl@0: 		}
sl@0: 	}
sl@0: 
sl@0: void Monitor::DumpChunkData(DChunk* aChunk)
sl@0: 	{
sl@0: 	DMemModelChunk* pC=(DMemModelChunk*)aChunk;
sl@0: 	Printf("Owning Process %08x OS ASIDS %08x\r\n",pC->iOwningProcess);
sl@0: 	Printf("Size %x, MaxSize %x\r\n",pC->iSize,pC->iMaxSize);
sl@0: 	Printf("Attrib %x, StartPos %x\r\n",pC->iAttributes,pC->iStartPos);
sl@0: 	Printf("Type %d\r\n",pC->iChunkType);
sl@0: 	Printf("PageBitMap=%08x\r\n",pC->iPageBitMap);
sl@0: 	DumpCpuChunkData(pC);
sl@0: 	}
sl@0: 
sl@0: void Monitor::MMProcessInfoCommand()
sl@0: 	{
sl@0: 	TScheduler* pS=TScheduler::Ptr();
sl@0: #ifdef __SMP__
sl@0: 	TInt i;
sl@0: 	for (i=0; i<KMaxCpus; ++i)
sl@0: 		{
sl@0: 		DMonObject* pA = (DMonObject*)pS->iSub[i]->iAddressSpace;
sl@0: 		Printf("CPU%d: TheCurrentAddressSpace=%08x\r\n",i,pA);
sl@0: 		}
sl@0: #else
sl@0: 	DMonObject* pA=(DMonObject*)pS->iAddressSpace;
sl@0: 	Printf("TheCurrentAddressSpace=%08x\r\n",pA);
sl@0: #endif
sl@0: 	}
sl@0: 
sl@0: void Monitor::MDisplayCodeSeg(DCodeSeg* aSeg)
sl@0: 	{
sl@0: 	DMemModelCodeSeg* seg = (DMemModelCodeSeg*) aSeg;
sl@0: 	DMemModelCodeSegMemory* mem = seg->Memory();
sl@0: 	Printf("   iKernelData: %08x\r\n",seg->iKernelData);
sl@0: 	Printf("   iCreator: %08x\r\n",mem ? mem->iCreator : 0);
sl@0: 	}
sl@0: 
sl@0: extern TInt MapProcess(DMemModelProcess* aProcess, TBool aForce);
sl@0: 
sl@0: EXPORT_C TUint Monitor::MapAndLocateUserStack(DThread* aThread)
sl@0: 	{
sl@0: 	DMemModelProcess* pP=(DMemModelProcess*)aThread->iOwningProcess;
sl@0: 	TInt r = SwitchAddressSpace(pP, EFalse);
sl@0: 	if (r!=KErrNone)
sl@0: 		return 0;
sl@0: 	return aThread->iUserStackRunAddress;
sl@0: 	}
sl@0: 
sl@0: EXPORT_C TInt Monitor::SwitchAddressSpace(DProcess* aProcess, TBool aForce)
sl@0: 	{
sl@0: 	return MapProcess((DMemModelProcess*)aProcess, aForce);
sl@0: 	}