sl@0: // Copyright (c) 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: // Responsible for dealing with process lists in the SM framework
sl@0: //
sl@0: 
sl@0: /**
sl@0:  * @file
sl@0:  * @internalComponent
sl@0:  * @prototype
sl@0:  */
sl@0: 
sl@0: #ifdef __LAUNCH_AS_EXTENSION__
sl@0: 
sl@0: #include <rm_debug_api.h>
sl@0: #include <sm_debug_api.h>
sl@0: #include "d_rmd_breakpoints.h"
sl@0: 
sl@0: using namespace Debug;
sl@0: 
sl@0: /**
sl@0:  * Stop Mode routine to retrieve the process list and place it in the response buffer
sl@0:  * @param aItem List item describing the list
sl@0:  * @return One of the system wide error codes
sl@0:  */
sl@0: TInt StopModeDebug::GetProcessList(const TListItem* aItem, bool aCheckConsistent)
sl@0: 	{
sl@0: 	Kern::Printf("\nDumping the process list");
sl@0: 
sl@0: 	if(aItem->iListScope != EScopeGlobal)
sl@0: 		{
sl@0: 		return KErrArgument; //No other scope makes sense for process list
sl@0: 		}
sl@0: 
sl@0: 	//Check that the process obj con lock is ok if required
sl@0: 	DObjectCon* objCon = Kern::Containers()[EProcess];
sl@0: 
sl@0: 	if(aCheckConsistent && objCon->Lock()->iHoldCount)
sl@0: 		{
sl@0: 		return KErrNotReady;
sl@0: 		}
sl@0: 
sl@0: 	//Look at the buffer
sl@0: 	TUint8* buffer = (TUint8*)aItem->iBufferAddress;
sl@0: 	TUint8* bufferPos = Align4(buffer + sizeof(TListReturn));
sl@0: 	TUint8* bufferEnd = buffer + aItem->iBufferSize;
sl@0: 
sl@0: 	TListReturn* listResp = (TListReturn*)buffer;	
sl@0: 	listResp->iReqNo = EProcess;
sl@0: 	listResp->iNumberItems = 0;
sl@0: 	listResp->iDataSize = 0;
sl@0: 
sl@0: 	DProcess** firstProcess = (DProcess**)objCon->iObjects;
sl@0: 
sl@0: 	TInt numProcesses = objCon->Count();
sl@0: 	for(TInt cnt = 0; cnt < numProcesses; cnt++)
sl@0: 		{
sl@0: 		//Get process and see if we want to list it
sl@0: 		DProcess* proc = firstProcess[cnt];
sl@0: 		if(proc && (proc->iId >= aItem->iStartElement) )
sl@0: 			{
sl@0: 			TUint32 sizeOfProc = 0;
sl@0: 			TInt err = AppendProcessToBuffer(proc, bufferPos, bufferEnd, sizeOfProc);
sl@0: 			if(KErrNone != err)
sl@0: 				{
sl@0: 				return err;
sl@0: 				}
sl@0: 			++(listResp->iNumberItems);
sl@0: 			listResp->iDataSize += sizeOfProc;
sl@0: 			bufferPos += sizeOfProc;
sl@0: 			}
sl@0: 		}
sl@0: 
sl@0: 	return KErrNone;
sl@0: 	}
sl@0: 
sl@0: /**
sl@0:  * Writes the required process details to the stop mode response buffer in the form of a 
sl@0:  * TProcessListEntry structure
sl@0:  * @param aProc Process to write
sl@0:  * @param aBuffer Buffer to write to
sl@0:  * @param aBufferEnd Where the buffer ends
sl@0:  * @return TInt KErrTooBig if there is no more space in buffer or one of the other system wide error codes
sl@0:  */
sl@0: TInt StopModeDebug::AppendProcessToBuffer(DProcess* aProc, TUint8* aBuffer, TUint8* aBufferEnd, TUint32& aProcSize)
sl@0: 	{
sl@0: 	TFullName procName;
sl@0: 	GetObjectFullName(aProc, procName);
sl@0: 	TUint32	dynamicNameLength = procName.Length();
sl@0: 
sl@0: 	DCodeSeg* codeSeg = aProc->iCodeSeg;
sl@0: 	TUint16 fileNameLength = (codeSeg) ? (*codeSeg->iFileName).Length() : 0;
sl@0: 
sl@0: 	//Struct size is unicode so the filenames are twice as long, plus the size of the struct minus one character that 
sl@0: 	//lives inside the struct itself. Also, this is word aligned
sl@0: 	TUint32 structSize = Align4( (2*fileNameLength) + (2*dynamicNameLength) + sizeof(TProcessListEntry) - sizeof(TUint16));
sl@0: 	aProcSize = structSize;
sl@0: 
sl@0: 	//Is there space to write this to the buffer
sl@0: 	if(aBuffer + structSize < aBufferEnd)
sl@0: 		{
sl@0: 		TProcessListEntry& entry = *(TProcessListEntry*)(aBuffer);
sl@0: 
sl@0: 		entry.iProcessId = (TUint64)aProc->iId;
sl@0: 		entry.iFileNameLength = fileNameLength;
sl@0: 		entry.iDynamicNameLength = dynamicNameLength;
sl@0: 		entry.iUid3 = aProc->iUids.iUid[2].iUid;
sl@0: 		entry.iAttributes = aProc->iAttributes;
sl@0: 
sl@0: 		//Write the filename
sl@0: 		if(codeSeg)
sl@0: 			{
sl@0: 			//create TPtr to where the file name should be written
sl@0: 			TPtr name = TPtr((TUint8*)&(entry.iNames[0]), fileNameLength*2, fileNameLength*2);
sl@0: 
sl@0: 			//copy the file name
sl@0: 			TInt err = CopyAndExpandDes(*codeSeg->iFileName, name);
sl@0: 			if(KErrNone != err)
sl@0: 				{
sl@0: 				return KErrGeneral;
sl@0: 				}
sl@0: 			}
sl@0: 
sl@0: 		//create TPtr to where the dynamic name should be written
sl@0: 		TPtr name = TPtr((TUint8*)(&(entry.iNames[0]) + fileNameLength), dynamicNameLength*2, dynamicNameLength*2);
sl@0: 
sl@0: 		//copy the dynamic name
sl@0: 		TInt err = CopyAndExpandDes(procName, name);
sl@0: 		if(KErrNone != err)
sl@0: 			{
sl@0: 			return KErrGeneral;
sl@0: 			}	
sl@0: 
sl@0: 		return KErrNone;
sl@0: 		}
sl@0: 	else
sl@0: 		{
sl@0: 		return KErrTooBig;
sl@0: 		}
sl@0: 	}
sl@0: 
sl@0: #endif
sl@0: