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 // e32\memmodel\epoc\moving\mmonitor.cpp

    15 // Kernel crash debugger - machine independent portion

    16 // 

    17 //

    18 

    19 #include <kernel/monitor.h>

    20 #include "memmodel.h"

    21 

    22 void Monitor::DumpMemModelProcessData(DProcess* aProcess)

    23 	{

    24 	DMemModelProcess* pP=(DMemModelProcess*)aProcess;

    25 	Printf("NumChunks=%d\r\n",pP->iNumChunks);

    26 	TInt i;

    27 	for (i=0; i<pP->iNumChunks; i++)

    28 		{

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

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

    31 		}

    32 	}

    33 

    34 void Monitor::DumpChunkData(DChunk* aChunk)

    35 	{

    36 	DMemModelChunk* pC=(DMemModelChunk*)aChunk;

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

    38 	Printf("Size %x, MaxSize %x, Base %08x\r\n",pC->iSize,pC->iMaxSize,pC->iBase);

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

    40 	Printf("Type %d, State %d, Home Base %08x\r\n",pC->iChunkType,pC->iChunkState,pC->iHomeBase);

    41 	Printf("Home Region Offset %08x\r\n",pC->iHomeRegionOffset);

    42 	Printf("Home Region Base %08x\r\n",pC->iHomeRegionBase);

    43 	Printf("Home Region Size %08x\r\n",pC->iHomeRegionSize);

    44 	Printf("PTE: %08x, PDE: %08x %08x %08x\r\n", pC->iPtePermissions,

    45 					pC->iPdePermissions[0],pC->iPdePermissions[1],pC->iPdePermissions[2]);

    46 	Printf("NumPdes=%d, iPdes=%08x, iHomePdes=%08x\r\n",pC->iNumPdes,pC->iPdes,pC->iHomePdes);

    47 	Printf("PdeBitMap=%08x, PageBitMap=%08x\r\n",

    48 							pC->iPdeBitMap, pC->iPageBitMap);

    49 	DumpCpuChunkData(pC);

    50 	}

    51 

    52 void Monitor::MMProcessInfoCommand()

    53 	{

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

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

    56 	DMonObject* pV=(DMonObject*)pS->iExtras[0];

    57 	DMonObject* pD=(DMonObject*)pS->iExtras[1];

    58 	DMonObject* pC=(DMonObject*)pS->iExtras[2];

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

    60 	Printf("TheCurrentVMProcess=%08x\r\n",pV);

    61 	Monitor::DumpObjectData(pV,EProcess);

    62 	Printf("TheCurrentDataSectionProcess=%08x\r\n",pD);

    63 	Printf("TheCompleteDataSectionProcess=%08x\r\n",pC);

    64 	Monitor::DumpObjectData(pC,EProcess);

    65 	}

    66 

    67 void Monitor::MDisplayCodeSeg(DCodeSeg* aSeg)

    68 	{

    69 	DMemModelCodeSeg* seg = (DMemModelCodeSeg*) aSeg;

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

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

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

    73 	}

    74 	

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

    76 	{

    77  	TLinAddr stackBase=aThread->iUserStackRunAddress;

    78  	TLinAddr stackTop=stackBase+aThread->iUserStackSize;

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

    80 	if (!pP || ((DMonObject*)pP)->Type()!=EProcess)

    81 		return 0;

    82 	for(TInt i=0 ; i<pP->iNumChunks ; ++i)

    83 		{

    84 		DMemModelProcess::SChunkInfo& info=pP->iChunks[i];

    85 		DMemModelChunk* pC=info.iChunk;

    86 		if (!pC || ((DMonObject*)pC)->Type()!=EChunk)

    87 			continue;

    88 		if (stackBase >= info.iDataSectionBase  &&

    89 			stackTop <= info.iDataSectionBase+pC->MaxSize())

    90 			return (TUint)pC->iBase+(stackBase-info.iDataSectionBase);

    91 		}

    92 	return 0;

    93 	}

    94 

    95 EXPORT_C TInt Monitor::SwitchAddressSpace(DProcess*, TBool)

    96 	{

    97 	return KErrNone;

    98 	}