1 // Copyright (c) 1994-2009 Nokia Corporation and/or its subsidiary(-ies).

     2 // All rights reserved.

     3 // This component and the accompanying materials are made available

     4 // under the terms of the License "Eclipse Public License v1.0"

     5 // which accompanies this distribution, and is available

     6 // at the URL "http://www.eclipse.org/legal/epl-v10.html".

     7 //

     8 // Initial Contributors:

     9 // Nokia Corporation - initial contribution.

    10 //

    11 // Contributors:

    12 //

    13 // Description:

    14 // Kernel crash debugger - machine independent portion

    15 // 

    16 //

    17 #define INCLUDED_FROM_ASM	// Make DMemModelProcess::iOsAsid public, safe to 

    18 							// do here as the system has crashed and the inline

    19 							// DMemModelProcess::OsAsid() requires too much kernel knowlodge.

    20 

    21 #include <kernel/monitor.h>

    22 #include <memmodel.h>

    23 

    24 void Monitor::DumpMemModelProcessData(DProcess* aProcess)

    25 	{

    26 	DMemModelProcess* pP=(DMemModelProcess*)aProcess;

    27 	// Read the os asid without opening a reference as after the crash this 

    28 	// is the only running thread.

    29 	Printf("OS ASID=%d, LPD=%08x\r\n",pP->iOsAsid,pP->iPageDir);

    30 	Printf("ChunkCount=%d ChunkAlloc=%d\r\n",pP->iChunkCount,pP->iChunkAlloc);

    31 	TInt i;

    32 	for (i=0; i<pP->iChunkCount; i++)

    33 		{

    34 		DMemModelProcess::SChunkInfo& ci=pP->iChunks[i];

    35 		Printf("%d: Chunk %08x, access count %d\r\n",i,ci.iChunk,ci.iAccessCount);

    36 		}

    37 	}

    38 

    39 void Monitor::DumpChunkData(DChunk* aChunk)

    40 	{

    41 	DMemModelChunk* pC=(DMemModelChunk*)aChunk;

    42 	Printf("Owning Process %08x OS ASIDS %08x\r\n",pC->iOwningProcess);

    43 	Printf("Size %x, MaxSize %x\r\n",pC->iSize,pC->iMaxSize);

    44 	Printf("Attrib %x, StartPos %x\r\n",pC->iAttributes,pC->iStartPos);

    45 	Printf("Type %d\r\n",pC->iChunkType);

    46 	Printf("PageBitMap=%08x\r\n",pC->iPageBitMap);

    47 	DumpCpuChunkData(pC);

    48 	}

    49 

    50 void Monitor::MMProcessInfoCommand()

    51 	{

    52 	TScheduler* pS=TScheduler::Ptr();

    53 #ifdef __SMP__

    54 	TInt i;

    55 	for (i=0; i<KMaxCpus; ++i)

    56 		{

    57 		DMonObject* pA = (DMonObject*)pS->iSub[i]->iAddressSpace;

    58 		Printf("CPU%d: TheCurrentAddressSpace=%08x\r\n",i,pA);

    59 		}

    60 #else

    61 	DMonObject* pA=(DMonObject*)pS->iAddressSpace;

    62 	Printf("TheCurrentAddressSpace=%08x\r\n",pA);

    63 #endif

    64 	}

    65 

    66 void Monitor::MDisplayCodeSeg(DCodeSeg* aSeg)

    67 	{

    68 	DMemModelCodeSeg* seg = (DMemModelCodeSeg*) aSeg;

    69 	DMemModelCodeSegMemory* mem = seg->Memory();

    70 	Printf("   iKernelData: %08x\r\n",seg->iKernelData);

    71 	Printf("   iCreator: %08x\r\n",mem ? mem->iCreator : 0);

    72 	}

    73 

    74 extern TInt MapProcess(DMemModelProcess* aProcess, TBool aForce);

    75 

    76 EXPORT_C TUint Monitor::MapAndLocateUserStack(DThread* aThread)

    77 	{

    78 	DMemModelProcess* pP=(DMemModelProcess*)aThread->iOwningProcess;

    79 	TInt r = SwitchAddressSpace(pP, EFalse);

    80 	if (r!=KErrNone)

    81 		return 0;

    82 	return aThread->iUserStackRunAddress;

    83 	}

    84 

    85 EXPORT_C TInt Monitor::SwitchAddressSpace(DProcess* aProcess, TBool aForce)

    86 	{

    87 	return MapProcess((DMemModelProcess*)aProcess, aForce);

    88 	}