1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/os/kernelhwsrv/kernel/eka/drivers/debug/smdebug/d_sm_process.cpp Fri Jun 15 03:10:57 2012 +0200
1.3 @@ -0,0 +1,153 @@
1.4 +// Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
1.5 +// All rights reserved.
1.6 +// This component and the accompanying materials are made available
1.7 +// under the terms of the License "Eclipse Public License v1.0"
1.8 +// which accompanies this distribution, and is available
1.9 +// at the URL "http://www.eclipse.org/legal/epl-v10.html".
1.10 +//
1.11 +// Initial Contributors:
1.12 +// Nokia Corporation - initial contribution.
1.13 +//
1.14 +// Contributors:
1.15 +//
1.16 +// Description:
1.17 +// Responsible for dealing with process lists in the SM framework
1.18 +//
1.19 +
1.20 +/**
1.21 + * @file
1.22 + * @internalComponent
1.23 + * @prototype
1.24 + */
1.25 +
1.26 +#ifdef __LAUNCH_AS_EXTENSION__
1.27 +
1.28 +#include <rm_debug_api.h>
1.29 +#include <sm_debug_api.h>
1.30 +#include "d_rmd_breakpoints.h"
1.31 +
1.32 +using namespace Debug;
1.33 +
1.34 +/**
1.35 + * Stop Mode routine to retrieve the process list and place it in the response buffer
1.36 + * @param aItem List item describing the list
1.37 + * @return One of the system wide error codes
1.38 + */
1.39 +TInt StopModeDebug::GetProcessList(const TListItem* aItem, bool aCheckConsistent)
1.40 + {
1.41 + Kern::Printf("\nDumping the process list");
1.42 +
1.43 + if(aItem->iListScope != EScopeGlobal)
1.44 + {
1.45 + return KErrArgument; //No other scope makes sense for process list
1.46 + }
1.47 +
1.48 + //Check that the process obj con lock is ok if required
1.49 + DObjectCon* objCon = Kern::Containers()[EProcess];
1.50 +
1.51 + if(aCheckConsistent && objCon->Lock()->iHoldCount)
1.52 + {
1.53 + return KErrNotReady;
1.54 + }
1.55 +
1.56 + //Look at the buffer
1.57 + TUint8* buffer = (TUint8*)aItem->iBufferAddress;
1.58 + TUint8* bufferPos = Align4(buffer + sizeof(TListReturn));
1.59 + TUint8* bufferEnd = buffer + aItem->iBufferSize;
1.60 +
1.61 + TListReturn* listResp = (TListReturn*)buffer;
1.62 + listResp->iReqNo = EProcess;
1.63 + listResp->iNumberItems = 0;
1.64 + listResp->iDataSize = 0;
1.65 +
1.66 + DProcess** firstProcess = (DProcess**)objCon->iObjects;
1.67 +
1.68 + TInt numProcesses = objCon->Count();
1.69 + for(TInt cnt = 0; cnt < numProcesses; cnt++)
1.70 + {
1.71 + //Get process and see if we want to list it
1.72 + DProcess* proc = firstProcess[cnt];
1.73 + if(proc && (proc->iId >= aItem->iStartElement) )
1.74 + {
1.75 + TUint32 sizeOfProc = 0;
1.76 + TInt err = AppendProcessToBuffer(proc, bufferPos, bufferEnd, sizeOfProc);
1.77 + if(KErrNone != err)
1.78 + {
1.79 + return err;
1.80 + }
1.81 + ++(listResp->iNumberItems);
1.82 + listResp->iDataSize += sizeOfProc;
1.83 + bufferPos += sizeOfProc;
1.84 + }
1.85 + }
1.86 +
1.87 + return KErrNone;
1.88 + }
1.89 +
1.90 +/**
1.91 + * Writes the required process details to the stop mode response buffer in the form of a
1.92 + * TProcessListEntry structure
1.93 + * @param aProc Process to write
1.94 + * @param aBuffer Buffer to write to
1.95 + * @param aBufferEnd Where the buffer ends
1.96 + * @return TInt KErrTooBig if there is no more space in buffer or one of the other system wide error codes
1.97 + */
1.98 +TInt StopModeDebug::AppendProcessToBuffer(DProcess* aProc, TUint8* aBuffer, TUint8* aBufferEnd, TUint32& aProcSize)
1.99 + {
1.100 + TFullName procName;
1.101 + GetObjectFullName(aProc, procName);
1.102 + TUint32 dynamicNameLength = procName.Length();
1.103 +
1.104 + DCodeSeg* codeSeg = aProc->iCodeSeg;
1.105 + TUint16 fileNameLength = (codeSeg) ? (*codeSeg->iFileName).Length() : 0;
1.106 +
1.107 + //Struct size is unicode so the filenames are twice as long, plus the size of the struct minus one character that
1.108 + //lives inside the struct itself. Also, this is word aligned
1.109 + TUint32 structSize = Align4( (2*fileNameLength) + (2*dynamicNameLength) + sizeof(TProcessListEntry) - sizeof(TUint16));
1.110 + aProcSize = structSize;
1.111 +
1.112 + //Is there space to write this to the buffer
1.113 + if(aBuffer + structSize < aBufferEnd)
1.114 + {
1.115 + TProcessListEntry& entry = *(TProcessListEntry*)(aBuffer);
1.116 +
1.117 + entry.iProcessId = (TUint64)aProc->iId;
1.118 + entry.iFileNameLength = fileNameLength;
1.119 + entry.iDynamicNameLength = dynamicNameLength;
1.120 + entry.iUid3 = aProc->iUids.iUid[2].iUid;
1.121 + entry.iAttributes = aProc->iAttributes;
1.122 +
1.123 + //Write the filename
1.124 + if(codeSeg)
1.125 + {
1.126 + //create TPtr to where the file name should be written
1.127 + TPtr name = TPtr((TUint8*)&(entry.iNames[0]), fileNameLength*2, fileNameLength*2);
1.128 +
1.129 + //copy the file name
1.130 + TInt err = CopyAndExpandDes(*codeSeg->iFileName, name);
1.131 + if(KErrNone != err)
1.132 + {
1.133 + return KErrGeneral;
1.134 + }
1.135 + }
1.136 +
1.137 + //create TPtr to where the dynamic name should be written
1.138 + TPtr name = TPtr((TUint8*)(&(entry.iNames[0]) + fileNameLength), dynamicNameLength*2, dynamicNameLength*2);
1.139 +
1.140 + //copy the dynamic name
1.141 + TInt err = CopyAndExpandDes(procName, name);
1.142 + if(KErrNone != err)
1.143 + {
1.144 + return KErrGeneral;
1.145 + }
1.146 +
1.147 + return KErrNone;
1.148 + }
1.149 + else
1.150 + {
1.151 + return KErrTooBig;
1.152 + }
1.153 + }
1.154 +
1.155 +#endif
1.156 +