C++ rSessionInfo函数代码示例

//++ ------------------------------------------------------------------------------------
// Details: The invoker requires this function. The command does work in this function.
//          The command is likely to communicate with the LLDB SBDebugger in here.
//          Synopsis: -target-attach file
//          Ref: http://sourceware.org/gdb/onlinedocs/gdb/GDB_002fMI-Target-Manipulation.html#GDB_002fMI-Target-Manipulation
// Type:    Overridden.
// Args:    None.
// Return:  MIstatus::success - Functional succeeded.
//          MIstatus::failure - Functional failed.
// Throws:  None.
//--
bool
CMICmdCmdTargetDetach::Execute()
{
    CMICmnLLDBDebugSessionInfo &rSessionInfo(CMICmnLLDBDebugSessionInfo::Instance());
    
    lldb::SBProcess process = rSessionInfo.GetProcess();
    
    if (!process.IsValid())
    {
        SetError(CMIUtilString::Format(MIRSRC(IDS_CMD_ERR_INVALID_PROCESS), m_cmdData.strMiCmd.c_str()));
        return MIstatus::failure;
    }
    
    process.Detach();
    
    return MIstatus::success;
}

//++ ------------------------------------------------------------------------------------
// Details: Carry out work to complete the request to prepare and send back information
//          asked for.
// Type:    Method.
// Args:    None.
// Return:  MIstatus::success - Functional succeeded.
//          MIstatus::failure - Functional failed.
// Throws:  None.
//--
bool
CMICmdCmdGdbInfo::PrintFnSharedLibrary(void)
{
    CMICmnStreamStdout &rStdout = CMICmnStreamStdout::Instance();
    bool bOk = rStdout.TextToStdout("~\"From        To          Syms Read   Shared Object Library\"");

    CMICmnLLDBDebugSessionInfo &rSessionInfo(CMICmnLLDBDebugSessionInfo::Instance());
    lldb::SBTarget sbTarget = rSessionInfo.GetTarget();
    const MIuint nModules = sbTarget.GetNumModules();
    for (MIuint i = 0; bOk && (i < nModules); i++)
    {
        lldb::SBModule module = sbTarget.GetModuleAtIndex(i);
        if (module.IsValid())
        {
            const CMIUtilString strModuleFilePath(module.GetFileSpec().GetDirectory());
            const CMIUtilString strModuleFileName(module.GetFileSpec().GetFilename());
            const CMIUtilString strModuleFullPath(CMIUtilString::Format("%s/%s", strModuleFilePath.c_str(), strModuleFileName.c_str()));
            const CMIUtilString strHasSymbols = (module.GetNumSymbols() > 0) ? "Yes" : "No";
            lldb::addr_t addrLoadS = 0xffffffff;
            lldb::addr_t addrLoadSize = 0;
            bool bHaveAddrLoad = false;
            const MIuint nSections = module.GetNumSections();
            for (MIuint j = 0; j < nSections; j++)
            {
                lldb::SBSection section = module.GetSectionAtIndex(j);
                lldb::addr_t addrLoad = section.GetLoadAddress(sbTarget);
                if (addrLoad != (lldb::addr_t) - 1)
                {
                    if (!bHaveAddrLoad)
                    {
                        bHaveAddrLoad = true;
                        addrLoadS = addrLoad;
                    }

                    addrLoadSize += section.GetByteSize();
                }
            }
            bOk = bOk &&
                  rStdout.TextToStdout(CMIUtilString::Format("~\"0x%08x\t0x%08x\t%s\t\t%s\"", addrLoadS, addrLoadS + addrLoadSize,
                                                             strHasSymbols.c_str(), strModuleFullPath.c_str()));
        }
    }

    return bOk;
}

//++ ------------------------------------------------------------------------------------
// Details:	The invoker requires this function. The command does work in this function.
//			The command is likely to communicate with the LLDB SBDebugger in here.
// Type:	Overridden.
// Args:	None.
// Return:	MIstatus::success - Functional succeeded.
//			MIstatus::failure - Functional failed.
// Throws:	None.
//--
bool CMICmdCmdStackInfoDepth::Execute( void )
{
	CMICMDBASE_GETOPTION( pArgThread, OptionLong, m_constStrArgThread );
	CMICMDBASE_GETOPTION( pArgMaxDepth, Number, m_constStrArgMaxDepth );
	
	// Retrieve the --thread option's thread ID (only 1)
	MIuint64 nThreadId = UINT64_MAX;
	if( !pArgThread->GetExpectedOption< CMICmdArgValNumber, MIuint64 >( nThreadId ) )
	{
		SetError( CMIUtilString::Format( MIRSRC( IDS_CMD_ERR_OPTION_NOT_FOUND ), m_cmdData.strMiCmd.c_str(), m_constStrArgThread.c_str() ) );
		return MIstatus::failure;
	}

	CMICmnLLDBDebugSessionInfo & rSessionInfo( CMICmnLLDBDebugSessionInfo::Instance() );
	m_nThreadFrames = rSessionInfo.m_lldbProcess.GetThreadByIndexID( nThreadId ).GetNumFrames();

	return MIstatus::success;
}

//++ ------------------------------------------------------------------------------------
// Details: The invoker requires this function. The command does work in this function.
//          The command is likely to communicate with the LLDB SBDebugger in here.
// Type:    Overridden.
// Args:    None.
// Return:  MIstatus::success - Function succeeded.
//          MIstatus::failure - Function failed.
// Throws:  None.
//--
bool
CMICmdCmdStackInfoFrame::Execute(void)
{
    CMICmnLLDBDebugSessionInfo &rSessionInfo(CMICmnLLDBDebugSessionInfo::Instance());
    lldb::SBProcess sbProcess = rSessionInfo.GetProcess();
    if (!sbProcess.IsValid())
    {
        SetError(CMIUtilString::Format(MIRSRC(IDS_CMD_ERR_INVALID_PROCESS), m_cmdData.strMiCmd.c_str()));
        return MIstatus::failure;
    }

    lldb::SBThread sbThread = sbProcess.GetSelectedThread();
    MIuint nFrameId = sbThread.GetSelectedFrame().GetFrameID();
    if (!rSessionInfo.MIResponseFormFrameInfo(sbThread, nFrameId, m_miValueTuple))
         return MIstatus::failure;

    return MIstatus::success;
}

//++ ------------------------------------------------------------------------------------
// Details: The invoker requires this function. The command does work in this function.
//          The command is likely to communicate with the LLDB SBDebugger in here.
// Type:    Overridden.
// Args:    None.
// Return:  MIstatus::success - Function succeeded.
//          MIstatus::failure - Function failed.
// Throws:  None.
//--
bool
CMICmdCmdStackSelectFrame::Execute(void)
{
    CMICMDBASE_GETOPTION(pArgFrame, Number, m_constStrArgFrame);

    CMICmnLLDBDebugSessionInfo &rSessionInfo(CMICmnLLDBDebugSessionInfo::Instance());
    lldb::SBThread sbThread = rSessionInfo.GetProcess().GetSelectedThread();

    const MIuint nFrameId = pArgFrame->GetValue();
    m_bFrameInvalid = (nFrameId >= sbThread.GetNumFrames());
    if (m_bFrameInvalid)
        return MIstatus::success;

    lldb::SBFrame sbFrame = sbThread.SetSelectedFrame(nFrameId);
    m_bFrameInvalid = !sbFrame.IsValid();

    return MIstatus::success;
}

//++ ------------------------------------------------------------------------------------
// Details: The invoker requires this function. The command does work in this function.
//          The command is likely to communicate with the LLDB SBDebugger in here.
// Type:    Overridden.
// Args:    None.
// Return:  MIstatus::success - Functional succeeded.
//          MIstatus::failure - Functional failed.
// Throws:  None.
//--
bool
CMICmdCmdExecInterrupt::Execute()
{
    CMICmnLLDBDebugSessionInfo &rSessionInfo(CMICmnLLDBDebugSessionInfo::Instance());
    lldb::SBDebugger &rDebugger = rSessionInfo.GetDebugger();
    CMIUtilString strCmd("process interrupt");
    const lldb::ReturnStatus status = rDebugger.GetCommandInterpreter().HandleCommand(strCmd.c_str(), m_lldbResult, false);
    MIunused(status);

    // CODETAG_DEBUG_SESSION_RUNNING_PROG_RECEIVED_SIGINT_PAUSE_PROGRAM
    if (!CMIDriver::Instance().SetDriverStateRunningNotDebugging())
    {
        const CMIUtilString &rErrMsg(CMIDriver::Instance().GetErrorDescription());
        SetErrorDescription(CMIUtilString::Format(MIRSRC(IDS_CMD_ERR_SET_NEW_DRIVER_STATE), strCmd.c_str(), rErrMsg.c_str()));
        return MIstatus::failure;
    }

    return MIstatus::success;
}

//++
//------------------------------------------------------------------------------------
// Details: The invoker requires this function. The command does work in this
// function.
//          The command is likely to communicate with the LLDB SBDebugger in
//          here.
// Type:    Overridden.
// Args:    None.
// Return:  MIstatus::success - Functional succeeded.
//          MIstatus::failure - Functional failed.
// Throws:  None.
//--
bool CMICmdCmdInterpreterExec::Execute() {
  CMICMDBASE_GETOPTION(pArgInterpreter, String, m_constStrArgNamedInterpreter);
  CMICMDBASE_GETOPTION(pArgCommand, String, m_constStrArgNamedCommand);

  // Handle the interpreter parameter by do nothing on purpose (set to 'handled'
  // in
  // the arg definition above)
  const CMIUtilString &rStrInterpreter(pArgInterpreter->GetValue());
  MIunused(rStrInterpreter);

  const CMIUtilString &rStrCommand(pArgCommand->GetValue());
  CMICmnLLDBDebugSessionInfo &rSessionInfo(
      CMICmnLLDBDebugSessionInfo::Instance());
  const lldb::ReturnStatus rtn =
      rSessionInfo.GetDebugger().GetCommandInterpreter().HandleCommand(
          rStrCommand.c_str(), m_lldbResult, true);
  MIunused(rtn);

  return MIstatus::success;
}

//++ ------------------------------------------------------------------------------------
// Details: The invoker requires this function. The command does work in this function.
//          The command is likely to communicate with the LLDB SBDebugger in here.
// Type:    Overridden.
// Args:    None.
// Return:  MIstatus::success - Function succeeded.
//          MIstatus::failure - Function failed.
// Throws:  None.
//--
bool
CMICmdCmdExecAbort::Execute()
{
    CMICmnLLDBDebugSessionInfo &rSessionInfo(CMICmnLLDBDebugSessionInfo::Instance());
    lldb::SBProcess sbProcess = rSessionInfo.GetProcess();
    if (!sbProcess.IsValid())
    {
        SetError(CMIUtilString::Format(MIRSRC(IDS_CMD_ERR_INVALID_PROCESS), m_cmdData.strMiCmd.c_str()));
        return MIstatus::failure;
    }

    lldb::SBError sbError = sbProcess.Destroy();
    if (sbError.Fail())
    {
        SetError(CMIUtilString::Format(MIRSRC(IDS_CMD_ERR_LLDBPROCESS_DESTROY), m_cmdData.strMiCmd.c_str(), sbError.GetCString()));
        return MIstatus::failure;
    }

    return MIstatus::success;
}

//++ ------------------------------------------------------------------------------------
// Details: The invoker requires this function. The command prepares a MI Record Result
//          for the work carried out in the Execute().
// Type:    Overridden.
// Args:    None.
// Return:  MIstatus::success - Functional succeeded.
//          MIstatus::failure - Functional failed.
// Throws:  None.
//--
bool
CMICmdCmdBreakInsert::Acknowledge()
{
    // Get breakpoint information
    CMICmnLLDBDebugSessionInfo &rSessionInfo(CMICmnLLDBDebugSessionInfo::Instance());
    CMICmnLLDBDebugSessionInfo::SBrkPtInfo sBrkPtInfo;
    if (!rSessionInfo.RecordBrkPtInfoGet(m_brkPt.GetID(), sBrkPtInfo))
        return MIstatus::failure;

    // MI print
    // "^done,bkpt={number=\"%d\",type=\"breakpoint\",disp=\"%s\",enabled=\"%c\",addr=\"0x%016" PRIx64 "\",func=\"%s\",file=\"%s\",fullname=\"%s/%s\",line=\"%d\",thread-groups=[\"%s\"],times=\"%d\",original-location=\"%s\"}"
    CMICmnMIValueTuple miValueTuple;
    if (!rSessionInfo.MIResponseFormBrkPtInfo(sBrkPtInfo, miValueTuple))
        return MIstatus::failure;

    const CMICmnMIValueResult miValueResultD("bkpt", miValueTuple);
    const CMICmnMIResultRecord miRecordResult(m_cmdData.strMiCmdToken, CMICmnMIResultRecord::eResultClass_Done, miValueResultD);
    m_miResultRecord = miRecordResult;

    return MIstatus::success;
}

//++ ------------------------------------------------------------------------------------
// Details: The invoker requires this function. The command prepares a MI Record Result
//          for the work carried out in the Execute().
//          Called only if Execute() set status as successful on completion.
// Type:    Overridden.
// Args:    None.
// Return:  MIstatus::success - Functional succeeded.
//          MIstatus::failure - Functional failed.
// Throws:  None.
//--
bool
CMICmdCmdExecRun::Acknowledge()
{
    const CMICmnMIResultRecord miRecordResult(m_cmdData.strMiCmdToken, CMICmnMIResultRecord::eResultClass_Running);
    m_miResultRecord = miRecordResult;

    CMICmnLLDBDebugSessionInfo &rSessionInfo(CMICmnLLDBDebugSessionInfo::Instance());
    lldb::pid_t pid = rSessionInfo.GetProcess().GetProcessID();
    // Give the client '=thread-group-started,id="i1" pid="xyz"'
    m_bHasResultRecordExtra = true;
    const CMICmnMIValueConst miValueConst2("i1");
    const CMICmnMIValueResult miValueResult2("id", miValueConst2);
    const CMIUtilString strPid(CMIUtilString::Format("%lld", pid));
    const CMICmnMIValueConst miValueConst(strPid);
    const CMICmnMIValueResult miValueResult("pid", miValueConst);
    CMICmnMIOutOfBandRecord miOutOfBand(CMICmnMIOutOfBandRecord::eOutOfBand_ThreadGroupStarted, miValueResult2);
    miOutOfBand.Add(miValueResult);
    m_miResultRecordExtra = miOutOfBand.GetString();

    return MIstatus::success;
}

//++ ------------------------------------------------------------------------------------
// Details:	The invoker requires this function. The command prepares a MI Record Result
//			for the work carried out in the Execute().
// Type:	Overridden.
// Args:	None.
// Return:	MIstatus::success - Functional succeeded.
//			MIstatus::failure - Functional failed.
// Throws:	None.
//--
bool CMICmdCmdTargetSelect::Acknowledge( void )
{
	const CMICmnMIResultRecord miRecordResult( m_cmdData.strMiCmdToken, CMICmnMIResultRecord::eResultClass_Connected );
	m_miResultRecord = miRecordResult;
	
	CMICmnLLDBDebugSessionInfo & rSessionInfo( CMICmnLLDBDebugSessionInfo::Instance() );
	lldb::pid_t pid = rSessionInfo.m_lldbProcess.GetProcessID();
	// Prod the client i.e. Eclipse with out-of-band results to help it 'continue' because it is using LLDB debugger
	// Give the client '=thread-group-started,id="i1"'
	m_bHasResultRecordExtra = true;
	const CMICmnMIValueConst miValueConst2( "i1" );
	const CMICmnMIValueResult miValueResult2( "id", miValueConst2 );
	const CMIUtilString strPid( CMIUtilString::Format( "%lld", pid ) );
	const CMICmnMIValueConst miValueConst( strPid );
	const CMICmnMIValueResult miValueResult( "pid", miValueConst );
	CMICmnMIOutOfBandRecord miOutOfBand( CMICmnMIOutOfBandRecord::eOutOfBand_ThreadGroupStarted, miValueResult2 );
	miOutOfBand.Add( miValueResult );
	m_miResultRecordExtra = miOutOfBand.GetString();

	return MIstatus::success;
}

//++ ------------------------------------------------------------------------------------
// Details: The invoker requires this function. The command does work in this function.
//          The command is likely to communicate with the LLDB SBDebugger in here.
// Type:    Overridden.
// Args:    None.
// Return:  MIstatus::success - Functional succeeded.
//          MIstatus::failure - Functional failed.
// Throws:  None.
//--
bool
CMICmdCmdExecFinish::Execute()
{
    CMICMDBASE_GETOPTION(pArgThread, OptionLong, m_constStrArgThread);

    // Retrieve the --thread option's thread ID (only 1)
    MIuint64 nThreadId = UINT64_MAX;
    if (pArgThread->GetFound() && !pArgThread->GetExpectedOption<CMICmdArgValNumber, MIuint64>(nThreadId))
    {
        SetError(CMIUtilString::Format(MIRSRC(IDS_CMD_ERR_OPTION_NOT_FOUND), m_cmdData.strMiCmd.c_str(), m_constStrArgThread.c_str()));
        return MIstatus::failure;
    }

    CMICmnLLDBDebugSessionInfo &rSessionInfo(CMICmnLLDBDebugSessionInfo::Instance());
    lldb::SBDebugger &rDebugger = rSessionInfo.GetDebugger();
    CMIUtilString strCmd("thread step-out");
    if (nThreadId != UINT64_MAX)
        strCmd += CMIUtilString::Format(" %llu", nThreadId);
    rDebugger.GetCommandInterpreter().HandleCommand(strCmd.c_str(), m_lldbResult, false);

    return MIstatus::success;
}

//++ ------------------------------------------------------------------------------------
// Details:	The invoker requires this function. The command prepares a MI Record Result
//			for the work carried out in the Execute().
// Type:	Overridden.
// Args:	None.
// Return:	MIstatus::success - Functional succeeded.
//			MIstatus::failure - Functional failed.
// Throws:	None.
//--
bool CMICmdCmdBreakInsert::Acknowledge( void )
{
	// Get breakpoint information
	CMICmnLLDBDebugSessionInfo & rSessionInfo( CMICmnLLDBDebugSessionInfo::Instance() );
	CMICmnLLDBDebugSessionInfo::SBrkPtInfo sBrkPtInfo;
	if( !rSessionInfo.GetBrkPtInfo( m_brkPt, sBrkPtInfo ) )
	{
		return MIstatus::failure;
	}

	// CODETAG_LLDB_BREAKPOINT_CREATION
	// Add more breakpoint information or overwrite existing information
	sBrkPtInfo.m_bDisp = m_bBrkPtIsTemp;					
	sBrkPtInfo.m_bEnabled = m_bBrkPtEnabled;			
	sBrkPtInfo.m_bHaveArgOptionThreadGrp = m_bHaveArgOptionThreadGrp; 
	sBrkPtInfo.m_strOptThrdGrp = m_strArgOptionThreadGrp;	
	sBrkPtInfo.m_nTimes = m_brkPt.GetNumLocations();		
	sBrkPtInfo.m_strOrigLoc = m_brkName;					
	sBrkPtInfo.m_nIgnore = m_nBrkPtIgnoreCount;
	sBrkPtInfo.m_bPending = m_bBrkPtIsPending;
	sBrkPtInfo.m_bCondition = m_bBrkPtCondition;
	sBrkPtInfo.m_strCondition = m_brkPtCondition;
	sBrkPtInfo.m_bBrkPtThreadId = m_bBrkPtThreadId;
	sBrkPtInfo.m_nBrkPtThreadId = m_nBrkPtThreadId;
	
	// MI print "^done,bkpt={number=\"%d\",type=\"breakpoint\",disp=\"%s\",enabled=\"%c\",addr=\"0x%08x\",func=\"%s\",file=\"%s\",fullname=\"%s/%s\",line=\"%d\",thread-groups=[\"%s\"],times=\"%d\",original-location=\"%s\"}"
	CMICmnMIValueTuple miValueTuple;
	if( !rSessionInfo.MIResponseFormBrkPtInfo( sBrkPtInfo, miValueTuple ) )				
	{
		return MIstatus::failure;
	}

	const CMICmnMIValueResult miValueResultD( "bkpt", miValueTuple );
	const CMICmnMIResultRecord miRecordResult( m_cmdData.strMiCmdToken, CMICmnMIResultRecord::eResultClass_Done, miValueResultD );
	m_miResultRecord = miRecordResult;

	return MIstatus::success;
}

//++
//------------------------------------------------------------------------------------
// Details: Retrieve from the LLDB SB Value object the value of the variable
// described in
//          text. If the value is invalid (or the SBValue object invalid) then
//          "??" is
//          returned.
// Type:    Method.
// Args:    None.
// Return:  CMIUtilString   - Text description of the variable's value or "??".
// Throws:  None.
//--
CMIUtilString CMICmnLLDBUtilSBValue::GetValue(
    const bool vbExpandAggregates /* = false */) const {
  if (!m_bValidSBValue)
    return m_pUnkwn;

  CMICmnLLDBDebugSessionInfo &rSessionInfo(
      CMICmnLLDBDebugSessionInfo::Instance());
  bool bPrintExpandAggregates = false;
  bPrintExpandAggregates = rSessionInfo.SharedDataRetrieve<bool>(
                               rSessionInfo.m_constStrPrintExpandAggregates,
                               bPrintExpandAggregates) &&
                           bPrintExpandAggregates;

  const bool bHandleArrayTypeAsSimple =
      m_bHandleArrayType && !vbExpandAggregates && !bPrintExpandAggregates;
  CMIUtilString value;
  const bool bIsSimpleValue = GetSimpleValue(bHandleArrayTypeAsSimple, value);
  if (bIsSimpleValue)
    return value;

  if (!vbExpandAggregates && !bPrintExpandAggregates)
    return m_pComposite;

  bool bPrintAggregateFieldNames = false;
  bPrintAggregateFieldNames =
      !rSessionInfo.SharedDataRetrieve<bool>(
          rSessionInfo.m_constStrPrintAggregateFieldNames,
          bPrintAggregateFieldNames) ||
      bPrintAggregateFieldNames;

  CMICmnMIValueTuple miValueTuple;
  const bool bOk = GetCompositeValue(bPrintAggregateFieldNames, miValueTuple);
  if (!bOk)
    return m_pUnkwn;

  value = miValueTuple.GetString();
  return value;
}

//++ ------------------------------------------------------------------------------------
// Details:	The invoker requires this function. The command does work in this function.
//			The command is likely to communicate with the LLDB SBDebugger in here.
// Type:	Overridden.
// Args:	None.
// Return:	MIstatus::success - Functional succeeded.
//			MIstatus::failure - Functional failed.
// Throws:	None.
//--
bool CMICmdCmdBreakEnable::Execute( void )
{
	CMICMDBASE_GETOPTION( pArgBrkPt, ListOfN, m_constStrArgNamedBrkPt );

	// ATM we only handle one break point ID
	MIuint64 nBrk = UINT64_MAX;
	if( !pArgBrkPt->GetExpectedOption< CMICmdArgValNumber, MIuint64 >( nBrk ) )
	{
		SetError( CMIUtilString::Format( MIRSRC( IDS_CMD_ERR_BRKPT_INVALID ), m_cmdData.strMiCmd.c_str(), m_constStrArgNamedBrkPt.c_str() ) );
		return MIstatus::failure;
	}

	CMICmnLLDBDebugSessionInfo & rSessionInfo( CMICmnLLDBDebugSessionInfo::Instance() );
	lldb::SBBreakpoint brkPt = rSessionInfo.m_lldbTarget.FindBreakpointByID( static_cast< lldb::break_id_t >( nBrk ) );
	if( brkPt.IsValid() )
	{
		m_bBrkPtEnabledOk = true;
		brkPt.SetEnabled( false );
		m_nBrkPtId = nBrk;
	}

	return MIstatus::success;
}