llvm-project/lldb/tools/lldb-mi/MICmnLLDBDebuggerHandleEven...

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//===-- MICmnLLDBDebuggerHandleEvents.cpp --------------------------------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//++
// File: MICmnLLDBDebuggerHandleEvents.cpp
//
// Overview: CMICmnLLDBDebuggerHandleEvents implementation.
//
// Environment: Compilers: Visual C++ 12.
// gcc (Ubuntu/Linaro 4.8.1-10ubuntu9) 4.8.1
// Libraries: See MIReadmetxt.
//
// Copyright: None.
//--
// Third party headers:
#include <lldb/API/SBEvent.h>
#include <lldb/API/SBProcess.h>
#include <lldb/API/SBBreakpoint.h>
#include <lldb/API/SBStream.h>
#include <lldb/API/SBThread.h>
#include <lldb/API/SBCommandInterpreter.h>
#include <lldb/API/SBCommandReturnObject.h>
#ifdef _WIN32
#include <io.h> // For the ::_access()
#else
#include <unistd.h> // For the ::access()
#endif // _WIN32
#include <limits.h>
// In-house headers:
#include "MICmnLLDBDebuggerHandleEvents.h"
#include "MICmnResources.h"
#include "MICmnLog.h"
#include "MICmnLLDBDebugSessionInfo.h"
#include "MICmnMIResultRecord.h"
#include "MICmnMIValueConst.h"
#include "MICmnMIValueList.h"
#include "MICmnMIOutOfBandRecord.h"
#include "MICmnStreamStdout.h"
#include "MICmnStreamStderr.h"
#include "MIUtilDebug.h"
#include "MIDriver.h"
//++ ------------------------------------------------------------------------------------
// Details: CMICmnLLDBDebuggerHandleEvents constructor.
// Type: Method.
// Args: None.
// Return: None.
// Throws: None.
//--
CMICmnLLDBDebuggerHandleEvents::CMICmnLLDBDebuggerHandleEvents( void )
{
}
//++ ------------------------------------------------------------------------------------
// Details: CMICmnLLDBDebuggerHandleEvents destructor.
// Type: Overridable.
// Args: None.
// Return: None.
// Throws: None.
//--
CMICmnLLDBDebuggerHandleEvents::~CMICmnLLDBDebuggerHandleEvents( void )
{
Shutdown();
}
//++ ------------------------------------------------------------------------------------
// Details: Initialize resources for *this broardcaster object.
// Type: Method.
// Args: None.
// Return: MIstatus::success - Functionality succeeded.
// MIstatus::failure - Functionality failed.
// Throws: None.
//--
bool CMICmnLLDBDebuggerHandleEvents::Initialize( void )
{
m_clientUsageRefCnt++;
if( m_bInitialized )
return MIstatus::success;
m_bInitialized = MIstatus::success;
return m_bInitialized;
}
//++ ------------------------------------------------------------------------------------
// Details: Release resources for *this broardcaster object.
// Type: Method.
// Args: None.
// Return: MIstatus::success - Functionality succeeded.
// MIstatus::failure - Functionality failed.
// Throws: None.
//--
bool CMICmnLLDBDebuggerHandleEvents::Shutdown( void )
{
if( --m_clientUsageRefCnt > 0 )
return MIstatus::success;
if( !m_bInitialized )
return MIstatus::success;
m_bInitialized = false;
return MIstatus::success;
}
//++ ------------------------------------------------------------------------------------
// Details: Interpret the event object to asscertain the action to take or information to
// to form and put in a MI Out-of-band record object which is given to stdout.
// Type: Method.
// Args: vEvent - (R) An LLDB broadcast event.
// vrbHandledEvent - (W) True - event handled, false = not handled.
// vrbExitAppEvent - (W) True - Received LLDB exit app event, false = did not.
// Return: MIstatus::success - Functionality succeeded.
// MIstatus::failure - Functionality failed.
// Throws: None.
//--
bool CMICmnLLDBDebuggerHandleEvents::HandleEvent( const lldb::SBEvent & vEvent, bool & vrbHandledEvent, bool & vrbExitAppEvent )
{
bool bOk = MIstatus::success;
vrbHandledEvent = false;
vrbExitAppEvent = false;
if( lldb::SBProcess::EventIsProcessEvent( vEvent ) )
{
vrbHandledEvent = true;
bOk = HandleEventSBProcess( vEvent, vrbExitAppEvent );
}
else if( lldb::SBBreakpoint::EventIsBreakpointEvent( vEvent ) )
{
vrbHandledEvent = true;
bOk = HandleEventSBBreakPoint( vEvent );
}
else if( lldb::SBThread::EventIsThreadEvent( vEvent ) )
{
vrbHandledEvent = true;
bOk = HandleEventSBThread( vEvent );
}
return bOk;
}
//++ ------------------------------------------------------------------------------------
// Details: Handle a LLDB SBProcess event.
// Type: Method.
// Args: vEvent - (R) An LLDB broadcast event.
// vrbExitAppEvent - (W) True - Received LLDB exit app event, false = did not.
// Return: MIstatus::success - Functionality succeeded.
// MIstatus::failure - Functionality failed.
// Throws: None.
//--
bool CMICmnLLDBDebuggerHandleEvents::HandleEventSBProcess( const lldb::SBEvent & vEvent, bool & vrbExitAppEvent )
{
bool bOk = MIstatus::success;
const MIchar * pEventType = "";
const MIuint nEventType = vEvent.GetType();
switch( nEventType )
{
case lldb::SBProcess::eBroadcastBitInterrupt:
pEventType = "eBroadcastBitInterrupt";
break;
case lldb::SBProcess::eBroadcastBitProfileData:
pEventType = "eBroadcastBitProfileData";
break;
case lldb::SBProcess::eBroadcastBitStateChanged:
pEventType = "eBroadcastBitStateChanged";
bOk = HandleProcessEventBroadcastBitStateChanged( vEvent, vrbExitAppEvent );
break;
case lldb::SBProcess::eBroadcastBitSTDERR:
pEventType = "eBroadcastBitSTDERR";
bOk = GetProcessStderr();
break;
case lldb::SBProcess::eBroadcastBitSTDOUT:
pEventType = "eBroadcastBitSTDOUT";
bOk = GetProcessStdout();
break;
default:
{
const CMIUtilString msg( CMIUtilString::Format( MIRSRC( IDS_LLDBOUTOFBAND_ERR_UNKNOWN_EVENT ), "SBProcess", (MIuint) nEventType ) );
SetErrorDescription( msg );
return MIstatus::failure;
}
}
m_pLog->WriteLog( CMIUtilString::Format( "##### An SB Process event occurred: %s", pEventType ) );
return bOk;
}
//++ ------------------------------------------------------------------------------------
// Details: Handle a LLDB SBBreakpoint event.
// Type: Method.
// Args: vEvent - (R) An LLDB broadcast event.
// Return: MIstatus::success - Functionality succeeded.
// MIstatus::failure - Functionality failed.
// Throws: None.
//--
bool CMICmnLLDBDebuggerHandleEvents::HandleEventSBBreakPoint( const lldb::SBEvent & vEvent )
{
bool bOk = MIstatus::success;
const MIchar * pEventType ="";
const lldb::BreakpointEventType eEvent = lldb::SBBreakpoint::GetBreakpointEventTypeFromEvent( vEvent );
switch( eEvent )
{
case lldb::eBreakpointEventTypeThreadChanged:
pEventType = "eBreakpointEventTypeThreadChanged";
break;
case lldb::eBreakpointEventTypeLocationsRemoved:
pEventType = "eBreakpointEventTypeLocationsRemoved";
break;
case lldb::eBreakpointEventTypeInvalidType:
pEventType = "eBreakpointEventTypeInvalidType";
break;
case lldb::eBreakpointEventTypeLocationsAdded:
pEventType = "eBreakpointEventTypeLocationsAdded";
bOk = HandleEventSBBreakpointLocationsAdded( vEvent );
break;
case lldb::eBreakpointEventTypeAdded:
pEventType = "eBreakpointEventTypeAdded";
bOk = HandleEventSBBreakpointCmn( vEvent );
break;
case lldb::eBreakpointEventTypeRemoved:
pEventType = "eBreakpointEventTypeRemoved";
bOk = HandleEventSBBreakpointCmn( vEvent );
break;
case lldb::eBreakpointEventTypeLocationsResolved:
pEventType = "eBreakpointEventTypeLocationsResolved";
break;
case lldb::eBreakpointEventTypeEnabled:
pEventType ="eBreakpointEventTypeEnabled";
bOk = HandleEventSBBreakpointCmn( vEvent );
break;
case lldb::eBreakpointEventTypeDisabled:
pEventType = "eBreakpointEventTypeDisabled";
bOk = HandleEventSBBreakpointCmn( vEvent );
break;
case lldb::eBreakpointEventTypeCommandChanged:
pEventType = "eBreakpointEventTypeCommandChanged";
bOk = HandleEventSBBreakpointCmn( vEvent );
break;
case lldb::eBreakpointEventTypeConditionChanged:
pEventType ="eBreakpointEventTypeConditionChanged";
bOk = HandleEventSBBreakpointCmn( vEvent );
break;
case lldb::eBreakpointEventTypeIgnoreChanged:
pEventType = "eBreakpointEventTypeIgnoreChanged";
bOk = HandleEventSBBreakpointCmn( vEvent );
break;
default:
{
const CMIUtilString msg( CMIUtilString::Format( MIRSRC( IDS_LLDBOUTOFBAND_ERR_UNKNOWN_EVENT ), "SBBreakPoint", (MIuint) eEvent ) );
SetErrorDescription( msg );
return MIstatus::failure;
}
}
m_pLog->WriteLog( CMIUtilString::Format( "##### An SB Breakpoint event occurred: %s", pEventType ) );
return bOk;
}
//++ ------------------------------------------------------------------------------------
// Details: Handle a LLDB SBBreakpoint event.
// Type: Method.
// Args: vEvent - (R) An LLDB broadcast event.
// Return: MIstatus::success - Functionality succeeded.
// MIstatus::failure - Functionality failed.
// Throws: None.
//--
bool CMICmnLLDBDebuggerHandleEvents::HandleEventSBBreakpointLocationsAdded( const lldb::SBEvent & vEvent )
{
const MIuint nLoc = lldb::SBBreakpoint::GetNumBreakpointLocationsFromEvent( vEvent );
if( nLoc == 0 )
return MIstatus::success;
lldb::SBBreakpoint brkPt = lldb::SBBreakpoint::GetBreakpointFromEvent( vEvent );
const CMIUtilString plural( (nLoc == 1) ? "" : "s" );
const CMIUtilString msg( CMIUtilString::Format( "%d location%s added to breakpoint %d", nLoc, plural.c_str(), brkPt.GetID() ) );
return TextToStdout( msg );
}
//++ ------------------------------------------------------------------------------------
// Details: Handle a LLDB SBBreakpoint event.
// Type: Method.
// Args: vEvent - (R) An LLDB broadcast event.
// Return: MIstatus::success - Functionality succeeded.
// MIstatus::failure - Functionality failed.
// Throws: None.
//--
bool CMICmnLLDBDebuggerHandleEvents::HandleEventSBBreakpointCmn( const lldb::SBEvent & vEvent )
{
lldb::SBBreakpoint brkPt = lldb::SBBreakpoint::GetBreakpointFromEvent( vEvent );
if( !brkPt.IsValid() )
return MIstatus::success;
CMICmnLLDBDebugSessionInfo & rSessionInfo( CMICmnLLDBDebugSessionInfo::Instance() );
CMICmnLLDBDebugSessionInfo::SBrkPtInfo sBrkPtInfo;
if( !rSessionInfo.GetBrkPtInfo( brkPt, sBrkPtInfo ) )
{
SetErrorDescription( CMIUtilString::Format( MIRSRC( IDS_LLDBOUTOFBAND_ERR_BRKPT_INFO_GET ), "HandleEventSBBreakpointCmn()", brkPt.GetID() ) );
return MIstatus::failure;
}
// CODETAG_LLDB_BREAKPOINT_CREATION
// This is in a worker thread
// Add more breakpoint information or overwrite existing information
CMICmnLLDBDebugSessionInfo::SBrkPtInfo sBrkPtInfoRec;
if( !rSessionInfo.RecordBrkPtInfoGet( brkPt.GetID(), sBrkPtInfoRec ) )
{
SetErrorDescription( CMIUtilString::Format( MIRSRC( IDS_LLDBOUTOFBAND_ERR_BRKPT_NOTFOUND ), "HandleEventSBBreakpointCmn()", brkPt.GetID() ) );
return MIstatus::failure;
}
sBrkPtInfo.m_bDisp = sBrkPtInfoRec.m_bDisp;
sBrkPtInfo.m_bEnabled = brkPt.IsEnabled();
sBrkPtInfo.m_bHaveArgOptionThreadGrp = false;
sBrkPtInfo.m_strOptThrdGrp = "";
sBrkPtInfo.m_nTimes = brkPt.GetHitCount();
sBrkPtInfo.m_strOrigLoc = sBrkPtInfoRec.m_strOrigLoc;
sBrkPtInfo.m_nIgnore = sBrkPtInfoRec.m_nIgnore;
sBrkPtInfo.m_bPending = sBrkPtInfoRec.m_bPending;
sBrkPtInfo.m_bCondition = sBrkPtInfoRec.m_bCondition;
sBrkPtInfo.m_strCondition = sBrkPtInfoRec.m_strCondition;
sBrkPtInfo.m_bBrkPtThreadId = sBrkPtInfoRec.m_bBrkPtThreadId;
sBrkPtInfo.m_nBrkPtThreadId = sBrkPtInfoRec.m_nBrkPtThreadId;
// MI print "=breakpoint-modified,bkpt={number=\"%d\",type=\"breakpoint\",disp=\"%s\",enabled=\"%c\",addr=\"0x%08x\", func=\"%s\",file=\"%s\",fullname=\"%s/%s\",line=\"%d\",times=\"%d\",original-location=\"%s\"}"
CMICmnMIValueTuple miValueTuple;
if( !rSessionInfo.MIResponseFormBrkPtInfo( sBrkPtInfo, miValueTuple ) )
{
SetErrorDescription( CMIUtilString::Format( MIRSRC( IDS_LLDBOUTOFBAND_ERR_FORM_MI_RESPONSE ), "HandleEventSBBreakpointCmn()" ) );
return MIstatus::failure;
}
const CMICmnMIValueResult miValueResultC( "bkpt", miValueTuple );
const CMICmnMIOutOfBandRecord miOutOfBandRecord( CMICmnMIOutOfBandRecord::eOutOfBand_BreakPointModified, miValueResultC );
const bool bOk = MiOutOfBandRecordToStdout( miOutOfBandRecord );
return bOk;
}
//++ ------------------------------------------------------------------------------------
// Details: Handle a LLDB SBThread event.
// Type: Method.
// Args: vEvent - (R) An LLDB broadcast event.
// Return: MIstatus::success - Functionality succeeded.
// MIstatus::failure - Functionality failed.
// Throws: None.
//--
bool CMICmnLLDBDebuggerHandleEvents::HandleEventSBThread( const lldb::SBEvent & vEvent )
{
if( !ChkForStateChanges() )
return MIstatus::failure;
bool bOk = MIstatus::success;
const MIchar * pEventType = "";
const MIuint nEventType = vEvent.GetType();
switch( nEventType )
{
case lldb::SBThread::eBroadcastBitStackChanged:
pEventType = "eBroadcastBitStackChanged";
bOk = HandleEventSBThreadBitStackChanged( vEvent );
break;
case lldb::SBThread::eBroadcastBitThreadSuspended:
pEventType = "eBroadcastBitThreadSuspended";
bOk = HandleEventSBThreadSuspended( vEvent );
break;
case lldb::SBThread::eBroadcastBitThreadResumed:
pEventType = "eBroadcastBitThreadResumed";
break;
case lldb::SBThread::eBroadcastBitSelectedFrameChanged:
pEventType = "eBroadcastBitSelectedFrameChanged";
break;
case lldb::SBThread::eBroadcastBitThreadSelected:
pEventType = "eBroadcastBitThreadSelected";
break;
default:
{
const CMIUtilString msg( CMIUtilString::Format( MIRSRC( IDS_LLDBOUTOFBAND_ERR_UNKNOWN_EVENT ), "SBThread", (MIuint) nEventType ) );
SetErrorDescription( msg );
return MIstatus::failure;
}
}
m_pLog->WriteLog( CMIUtilString::Format( "##### An SBThread event occurred: %s", pEventType ) );
return bOk;
}
//++ ------------------------------------------------------------------------------------
// Details: Handle a LLDB SBThread event.
// Type: Method.
// Args: vEvent - (R) An LLDB broadcast event.
// Return: MIstatus::success - Functionality succeeded.
// MIstatus::failure - Functionality failed.
// Throws: None.
//--
bool CMICmnLLDBDebuggerHandleEvents::HandleEventSBThreadSuspended( const lldb::SBEvent & vEvent )
{
lldb::SBThread thread = lldb::SBThread::GetThreadFromEvent( vEvent );
if( !thread.IsValid() )
return MIstatus::success;
const lldb::StopReason eStopReason = thread.GetStopReason();
if( eStopReason != lldb::eStopReasonSignal )
return MIstatus::success;
// MI print "@thread=%d,signal=%lld"
const MIuint64 nId = thread.GetStopReasonDataAtIndex( 0 );
const CMIUtilString strThread( CMIUtilString::Format( "%d", thread.GetThreadID() ) );
const CMICmnMIValueConst miValueConst( strThread );
const CMICmnMIValueResult miValueResult( "thread", miValueConst );
CMICmnMIOutOfBandRecord miOutOfBandRecord( CMICmnMIOutOfBandRecord::eOutOfBand_Thread, miValueResult );
const CMIUtilString strSignal( CMIUtilString::Format( "%lld", nId ) );
const CMICmnMIValueConst miValueConst2( strSignal );
const CMICmnMIValueResult miValueResult2( "signal", miValueConst2 );
bool bOk = miOutOfBandRecord.Add( miValueResult2 );
bOk = bOk && MiOutOfBandRecordToStdout( miOutOfBandRecord );
return bOk;
}
//++ ------------------------------------------------------------------------------------
// Details: Handle a LLDB SBThread event.
// Type: Method.
// Args: vEvent - (R) An LLDB broadcast event.
// Return: MIstatus::success - Functionality succeeded.
// MIstatus::failure - Functionality failed.
// Throws: None.
//--
bool CMICmnLLDBDebuggerHandleEvents::HandleEventSBThreadBitStackChanged( const lldb::SBEvent & vEvent )
{
lldb::SBThread thread = lldb::SBThread::GetThreadFromEvent( vEvent );
if( !thread.IsValid() )
return MIstatus::success;
lldb::SBStream streamOut;
const bool bOk = thread.GetStatus( streamOut );
return bOk && TextToStdout( streamOut.GetData() );
}
//++ ------------------------------------------------------------------------------------
// Details: Handle a LLDB SBCommandInterpreter event.
// Type: Method.
// Args: vEvent - (R) An LLDB command interpreter event.
// Return: MIstatus::success - Functionality succeeded.
// MIstatus::failure - Functionality failed.
// Throws: None.
//--
bool CMICmnLLDBDebuggerHandleEvents::HandleEventSBCommandInterpreter( const lldb::SBEvent & vEvent )
{
// This function is not used
// *** This function is under development
const MIchar * pEventType = "";
const MIuint nEventType = vEvent.GetType();
switch( nEventType )
{
case lldb::SBCommandInterpreter::eBroadcastBitThreadShouldExit:
pEventType ="eBroadcastBitThreadShouldExit";
// ToDo: IOR: Reminder to maybe handle this here
//const MIuint nEventType = event.GetType();
//if( nEventType & lldb::SBCommandInterpreter::eBroadcastBitThreadShouldExit )
//{
// m_pClientDriver->SetExitApplicationFlag();
// vrbYesExit = true;
// return MIstatus::success;
//} break;
case lldb::SBCommandInterpreter::eBroadcastBitResetPrompt:
pEventType = "eBroadcastBitResetPrompt";
break;
case lldb::SBCommandInterpreter::eBroadcastBitQuitCommandReceived:
pEventType = "eBroadcastBitQuitCommandReceived";
break;
case lldb::SBCommandInterpreter::eBroadcastBitAsynchronousOutputData:
pEventType = "eBroadcastBitAsynchronousOutputData";
break;
case lldb::SBCommandInterpreter::eBroadcastBitAsynchronousErrorData:
pEventType = "eBroadcastBitAsynchronousErrorData";
break;
default:
{
const CMIUtilString msg( CMIUtilString::Format( MIRSRC( IDS_LLDBOUTOFBAND_ERR_UNKNOWN_EVENT ), "SBCommandInterpreter", (MIuint) nEventType ) );
SetErrorDescription( msg );
return MIstatus::failure;
}
}
m_pLog->WriteLog( CMIUtilString::Format( "##### An SBCommandInterpreter event occurred: %s", pEventType ) );
return MIstatus::success;
}
//++ ------------------------------------------------------------------------------------
// Details: Handle SBProcess event eBroadcastBitStateChanged.
// Type: Method.
// Args: vEvent - (R) An LLDB event object.
// vrbExitAppEvent - (W) True - Received LLDB exit app event, false = did not.
// Return: MIstatus::success - Functionality succeeded.
// MIstatus::failure - Functionality failed.
// Throws: None.
//--
bool CMICmnLLDBDebuggerHandleEvents::HandleProcessEventBroadcastBitStateChanged( const lldb::SBEvent & vEvent, bool & vrbExitAppEvent )
{
bool bOk = ChkForStateChanges();
bOk = bOk && GetProcessStdout();
bOk = bOk && GetProcessStderr();
if( !bOk )
return MIstatus::failure;
// Something changed in the process; get the event and report the process's current
// status and location
const lldb::StateType eEventState = lldb::SBProcess::GetStateFromEvent( vEvent );
if( eEventState == lldb::eStateInvalid )
return MIstatus::success;
lldb::SBProcess process = lldb::SBProcess::GetProcessFromEvent( vEvent );
if( !process.IsValid() )
{
const CMIUtilString msg( CMIUtilString::Format( MIRSRC( IDS_LLDBOUTOFBAND_ERR_PROCESS_INVALID ), "SBProcess", "HandleProcessEventBroadcastBitStateChanged()" ) );
SetErrorDescription( msg );
return MIstatus::failure;
}
bool bShouldBrk = true;
const MIchar * pEventType = "";
switch( eEventState )
{
case lldb::eStateUnloaded:
pEventType = "eStateUnloaded";
break;
case lldb::eStateConnected:
pEventType = "eStateConnected";
break;
case lldb::eStateAttaching:
pEventType = "eStateAttaching";
break;
case lldb::eStateLaunching:
pEventType ="eStateLaunching";
break;
case lldb::eStateStopped:
pEventType = "eStateStopped";
bOk = HandleProcessEventStateStopped( bShouldBrk );
if( bShouldBrk )
break;
case lldb::eStateCrashed:
case lldb::eStateSuspended:
pEventType = "eStateSuspended";
bOk = HandleProcessEventStateSuspended( vEvent );
break;
case lldb::eStateRunning:
pEventType = "eStateRunning";
bOk = HandleProcessEventStateRunning();
break;
case lldb::eStateStepping:
pEventType = "eStateStepping";
break;
case lldb::eStateDetached:
pEventType = "eStateDetached";
break;
case lldb::eStateExited:
pEventType = "eStateExited";
vrbExitAppEvent = true;
bOk = HandleProcessEventStateExited();
break;
default:
{
const CMIUtilString msg( CMIUtilString::Format( MIRSRC( IDS_LLDBOUTOFBAND_ERR_UNKNOWN_EVENT ), "SBProcess BroadcastBitStateChanged", (MIuint) eEventState ) );
SetErrorDescription( msg );
return MIstatus::failure;
}
}
// ToDo: Remove when finished coding application
m_pLog->WriteLog( CMIUtilString::Format( "##### An SB Process event BroadcastBitStateChanged occurred: %s", pEventType ) );
return bOk;
}
//++ ------------------------------------------------------------------------------------
// Details: Asynchronous event handler for LLDB Process state suspended.
// Type: Method.
// Args: vEvent - (R) An LLDB event object.
// Return: MIstatus::success - Functionality succeeded.
// MIstatus::failure - Functionality failed.
// Throws: None.
//--
bool CMICmnLLDBDebuggerHandleEvents::HandleProcessEventStateSuspended( const lldb::SBEvent & vEvent )
{
// Make sure the program hasn't been auto-restarted:
if( lldb::SBProcess::GetRestartedFromEvent( vEvent ) )
return MIstatus::success;
bool bOk = MIstatus::success;
lldb::SBDebugger & rDebugger = CMICmnLLDBDebugSessionInfo::Instance().m_rLldbDebugger;
lldb::SBProcess & rProcess = CMICmnLLDBDebugSessionInfo::Instance().m_lldbProcess;
lldb::SBTarget target = rProcess.GetTarget();
if( rDebugger.GetSelectedTarget() == target )
{
if( !UpdateSelectedThread() )
return MIstatus::failure;
lldb::SBCommandReturnObject result;
const lldb::ReturnStatus status = rDebugger.GetCommandInterpreter().HandleCommand( "process status", result, false ); MIunused( status );
bOk = TextToStderr( result.GetError() );
bOk = bOk && TextToStdout( result.GetOutput() );
}
else
{
lldb::SBStream streamOut;
const MIuint nTargetIndex = rDebugger.GetIndexOfTarget( target );
if( nTargetIndex != UINT_MAX )
streamOut.Printf( "Target %d: (", nTargetIndex );
else
streamOut.Printf( "Target <unknown index>: (" );
target.GetDescription( streamOut, lldb::eDescriptionLevelBrief );
streamOut.Printf( ") stopped.\n" );
bOk = TextToStdout( streamOut.GetData() );
}
return bOk;
}
//++ ------------------------------------------------------------------------------------
// Details: Print to stdout MI formatted text to indicate process stopped.
// Type: Method.
// Args: vwrbShouldBrk - (W) True = Yes break, false = do not.
// Return: MIstatus::success - Functionality succeeded.
// MIstatus::failure - Functionality failed.
// Throws: None.
//--
bool CMICmnLLDBDebuggerHandleEvents::HandleProcessEventStateStopped( bool & vwrbShouldBrk )
{
if( !UpdateSelectedThread() )
return MIstatus::failure;
const MIchar * pEventType = "";
bool bOk = MIstatus::success;
lldb::SBProcess & rProcess = CMICmnLLDBDebugSessionInfo::Instance().m_lldbProcess;
const lldb::StopReason eStoppedReason = rProcess.GetSelectedThread().GetStopReason();
switch( eStoppedReason )
{
case lldb::eStopReasonInvalid:
pEventType = "eStopReasonInvalid";
vwrbShouldBrk = false;
break;
case lldb::eStopReasonNone:
pEventType = "eStopReasonNone";
break;
case lldb::eStopReasonTrace:
pEventType = "eStopReasonTrace";
bOk = HandleProcessEventStopReasonTrace();
break;
case lldb::eStopReasonBreakpoint:
pEventType = "eStopReasonBreakpoint";
bOk = HandleProcessEventStopReasonBreakpoint();
break;
case lldb::eStopReasonWatchpoint:
pEventType = "eStopReasonWatchpoint";
break;
case lldb::eStopReasonSignal:
pEventType = "eStopReasonSignal";
bOk = HandleProcessEventStopSignal( vwrbShouldBrk );
break;
case lldb::eStopReasonException:
pEventType ="eStopReasonException";
break;
case lldb::eStopReasonExec:
pEventType = "eStopReasonExec";
break;
case lldb::eStopReasonPlanComplete:
pEventType = "eStopReasonPlanComplete";
bOk = HandleProcessEventStopReasonTrace();
break;
case lldb::eStopReasonThreadExiting:
pEventType = "eStopReasonThreadExiting";
break;
default:
{
vwrbShouldBrk = false;
// MI print "*stopped,reason=\"%d\",stopped-threads=\"all\",from-thread=\"%u\""
const CMIUtilString strReason( CMIUtilString::Format( "%d", eStoppedReason ) );
const CMICmnMIValueConst miValueConst( strReason );
const CMICmnMIValueResult miValueResult( "reason", miValueConst );
CMICmnMIOutOfBandRecord miOutOfBandRecord( CMICmnMIOutOfBandRecord::eOutOfBand_Stopped, miValueResult );
const CMICmnMIValueConst miValueConst2( "all" );
const CMICmnMIValueResult miValueResult2( "stopped-threads", miValueConst2 );
bOk = miOutOfBandRecord.Add( miValueResult2 );
const CMIUtilString strFromThread( CMIUtilString::Format( "%u", rProcess.GetSelectedThread().GetIndexID() ) );
const CMICmnMIValueConst miValueConst3( strFromThread );
const CMICmnMIValueResult miValueResult3( "from-thread", miValueConst3 );
bOk = bOk && miOutOfBandRecord.Add( miValueResult3 );
bOk = bOk && MiOutOfBandRecordToStdout( miOutOfBandRecord );
bOk = bOk && TextToStdout( "(gdb)" );
}
}
// ToDo: Remove when finished coding application
m_pLog->WriteLog( CMIUtilString::Format( "##### An SB Process event stop state occurred: %s", pEventType ) );
return bOk;
}
//++ ------------------------------------------------------------------------------------
// Details: Asynchronous event handler for LLDB Process stop signal.
// Type: Method.
// Args: vwrbShouldBrk - (W) True = Yes break, false = do not.
// Return: MIstatus::success - Functionality succeeded.
// MIstatus::failure - Functionality failed.
// Throws: None.
//--
bool CMICmnLLDBDebuggerHandleEvents::HandleProcessEventStopSignal( bool & vwrbShouldBrk )
{
bool bOk = MIstatus::success;
lldb::SBProcess & rProcess = CMICmnLLDBDebugSessionInfo::Instance().m_lldbProcess;
const MIuint64 nStopReason = rProcess.GetSelectedThread().GetStopReasonDataAtIndex( 0 );
switch( nStopReason )
{
case 2: // Terminal interrupt signal. SIGINT
{
// MI print "*stopped,reason=\"signal-received\",signal-name=\"SIGNINT\",signal-meaning=\"Interrupt\",frame={%s}"
const CMICmnMIValueConst miValueConst( "signal-received" );
const CMICmnMIValueResult miValueResult( "reason", miValueConst );
CMICmnMIOutOfBandRecord miOutOfBandRecord( CMICmnMIOutOfBandRecord::eOutOfBand_Stopped, miValueResult );
const CMICmnMIValueConst miValueConst2( "SIGINT" );
const CMICmnMIValueResult miValueResult2( "signal-name", miValueConst2 );
bOk = miOutOfBandRecord.Add( miValueResult2 );
const CMICmnMIValueConst miValueConst3( "Interrupt" );
const CMICmnMIValueResult miValueResult3( "signal-meaning", miValueConst3 );
bOk = bOk && miOutOfBandRecord.Add( miValueResult3 );
CMICmnMIValueTuple miValueTuple;
bOk = bOk && MiHelpGetCurrentThreadFrame( miValueTuple );
const CMICmnMIValueResult miValueResult5( "frame", miValueTuple );
bOk = bOk && miOutOfBandRecord.Add( miValueResult5 );
bOk = bOk && MiOutOfBandRecordToStdout( miOutOfBandRecord );
bOk = bOk && TextToStdout( "(gdb)" );
}
break;
case 11: // Invalid memory reference. SIGSEGV
{
// MI print "*stopped,reason=\"signal-received\",signal-name=\"SIGSEGV\",signal-meaning=\"Segmentation fault\",thread-id=\"%d\",frame={%s}"
const CMICmnMIValueConst miValueConst( "signal-received" );
const CMICmnMIValueResult miValueResult( "reason", miValueConst );
CMICmnMIOutOfBandRecord miOutOfBandRecord( CMICmnMIOutOfBandRecord::eOutOfBand_Stopped, miValueResult );
const CMICmnMIValueConst miValueConst2( "SIGSEGV" );
const CMICmnMIValueResult miValueResult2( "signal-name", miValueConst2 );
bOk = miOutOfBandRecord.Add( miValueResult2 );
const CMICmnMIValueConst miValueConst3( "Segmentation fault" );
const CMICmnMIValueResult miValueResult3( "signal-meaning", miValueConst3 );
bOk = bOk && miOutOfBandRecord.Add( miValueResult3 );
const CMIUtilString strThreadId( CMIUtilString::Format( "%d", rProcess.GetSelectedThread().GetIndexID() ) );
const CMICmnMIValueConst miValueConst4( strThreadId );
const CMICmnMIValueResult miValueResult4( "thread-id", miValueConst4 );
bOk = bOk && miOutOfBandRecord.Add( miValueResult4 );
CMICmnMIValueTuple miValueTuple;
bOk = bOk && MiHelpGetCurrentThreadFrame( miValueTuple );
const CMICmnMIValueResult miValueResult5( "frame", miValueTuple );
bOk = bOk && miOutOfBandRecord.Add( miValueResult5 );
bOk = bOk && MiOutOfBandRecordToStdout( miOutOfBandRecord );
// Note no "(gdb)" output here
}
break;
case 19:
if( rProcess.IsValid() )
rProcess.Continue();
break;
case 5: // Trace/breakpoint trap. SIGTRAP
{
lldb::SBThread thread = rProcess.GetSelectedThread();
const MIuint nFrames = thread.GetNumFrames();
if( nFrames > 0 )
{
lldb::SBFrame frame = thread.GetFrameAtIndex( 0 );
const char * pFnName = frame.GetFunctionName();
if( pFnName != nullptr )
{
const CMIUtilString fnName = CMIUtilString( pFnName );
static const CMIUtilString threadCloneFn = CMIUtilString( "__pthread_clone" );
if( CMIUtilString::Compare( threadCloneFn, fnName ) )
{
if( rProcess.IsValid() )
{
rProcess.Continue();
vwrbShouldBrk = true;
break;
}
}
}
}
}
default:
{
// MI print "*stopped,reason=\"signal-received\",signal=\"%lld\",stopped-threads=\"all\""
const CMICmnMIValueConst miValueConst( "signal-received" );
const CMICmnMIValueResult miValueResult( "reason", miValueConst );
CMICmnMIOutOfBandRecord miOutOfBandRecord( CMICmnMIOutOfBandRecord::eOutOfBand_Stopped, miValueResult );
const CMIUtilString strReason( CMIUtilString::Format( "%lld", nStopReason ) );
const CMICmnMIValueConst miValueConst2( strReason );
const CMICmnMIValueResult miValueResult2( "signal", miValueConst2 );
bOk = miOutOfBandRecord.Add( miValueResult2 );
const CMICmnMIValueConst miValueConst3( "all" );
const CMICmnMIValueResult miValueResult3( "stopped-threads", miValueConst3 );
bOk = bOk && miOutOfBandRecord.Add( miValueResult3 );
bOk = bOk && MiOutOfBandRecordToStdout( miOutOfBandRecord );
bOk = bOk && TextToStdout( "(gdb)" );
}
} // switch( nStopReason )
return bOk;
}
//++ ------------------------------------------------------------------------------------
// Details: Form partial MI response in a MI value tuple object.
// Type: Method.
// Args: vwrMiValueTuple - (W) MI value tuple object.
// Return: MIstatus::success - Functionality succeeded.
// MIstatus::failure - Functionality failed.
// Throws: None.
//--
bool CMICmnLLDBDebuggerHandleEvents::MiHelpGetCurrentThreadFrame( CMICmnMIValueTuple & vwrMiValueTuple )
{
CMIUtilString strThreadFrame;
lldb::SBProcess & rProcess = CMICmnLLDBDebugSessionInfo::Instance().m_lldbProcess;
lldb::SBThread thread = rProcess.GetSelectedThread();
const MIuint nFrame = thread.GetNumFrames();
if( nFrame == 0 )
{
// MI print "addr=\"??\",func=\"??\",args=[],file=\"??\",fullname=\"??\",line=\"??\""
const CMICmnMIValueConst miValueConst( "??" );
const CMICmnMIValueResult miValueResult( "addr", miValueConst );
CMICmnMIValueTuple miValueTuple( miValueResult );
const CMICmnMIValueResult miValueResult2( "func", miValueConst );
miValueTuple.Add( miValueResult2 );
const CMICmnMIValueConst miValueConst2( "[]", true );
const CMICmnMIValueResult miValueResult3( "args", miValueConst2 );
miValueTuple.Add( miValueResult3 );
const CMICmnMIValueResult miValueResult4( "file", miValueConst );
miValueTuple.Add( miValueResult4 );
const CMICmnMIValueResult miValueResult5( "fullname", miValueConst );
miValueTuple.Add( miValueResult5 );
const CMICmnMIValueResult miValueResult6( "line", miValueConst );
miValueTuple.Add( miValueResult6 );
vwrMiValueTuple = miValueTuple;
return MIstatus::success;
}
CMICmnMIValueTuple miValueTuple;
if( !CMICmnLLDBDebugSessionInfo::Instance().MIResponseFormFrameInfo( thread, 0, miValueTuple ) )
{
SetErrorDescription( CMIUtilString::Format( MIRSRC( IDS_LLDBOUTOFBAND_ERR_FORM_MI_RESPONSE ), "MiHelpGetCurrentThreadFrame()" ) );
return MIstatus::failure;
}
vwrMiValueTuple = miValueTuple;
return MIstatus::success;
}
//++ ------------------------------------------------------------------------------------
// Details: Asynchronous event handler for LLDB Process stop reason breakpoint.
// Type: Method.
// Args: None.
// Return: MIstatus::success - Functionality succeeded.
// MIstatus::failure - Functionality failed.
// Throws: None.
//--
bool CMICmnLLDBDebuggerHandleEvents::HandleProcessEventStopReasonBreakpoint( void )
{
// CODETAG_DEBUG_SESSION_RUNNING_PROG_RECEIVED_SIGINT_PAUSE_PROGRAM
if( !CMIDriver::Instance().SetDriverStateRunningNotDebugging() )
{
const CMIUtilString & rErrMsg( CMIDriver::Instance().GetErrorDescription() );
SetErrorDescription( CMIUtilString::Format( MIRSRC( IDS_LLDBOUTOFBAND_ERR_SETNEWDRIVERSTATE ), "HandleProcessEventStopReasonBreakpoint()", rErrMsg.c_str() ) );
return MIstatus::failure;
}
lldb::SBProcess & rProcess = CMICmnLLDBDebugSessionInfo::Instance().m_lldbProcess;
const MIuint64 brkPtId = rProcess.GetSelectedThread().GetStopReasonDataAtIndex( 0 );
lldb::SBBreakpoint brkPt = CMICmnLLDBDebugSessionInfo::Instance().m_lldbTarget.GetBreakpointAtIndex( (MIuint) brkPtId );
return MiStoppedAtBreakPoint( brkPtId, brkPt );
}
//++ ------------------------------------------------------------------------------------
// Details: Form the MI Out-of-band response for stopped reason on hitting a break point.
// Type: Method.
// Args: vBrkPtId - (R) The LLDB break point's ID
// vBrkPt - (R) THe LLDB break point object.
// Return: MIstatus::success - Functionality succeeded.
// MIstatus::failure - Functionality failed.
// Throws: None.
//--
bool CMICmnLLDBDebuggerHandleEvents::MiStoppedAtBreakPoint( const MIuint64 vBrkPtId, const lldb::SBBreakpoint & vBrkPt )
{
bool bOk = MIstatus::success;
lldb::SBProcess & rProcess = CMICmnLLDBDebugSessionInfo::Instance().m_lldbProcess;
lldb::SBThread thread = rProcess.GetSelectedThread();
const MIuint nFrame = thread.GetNumFrames();
if( nFrame == 0 )
{
// MI print "*stopped,reason=\"breakpoint-hit\",disp=\"del\",bkptno=\"%d\",frame={},thread-id=\"%d\",stopped-threads=\"all\""
const CMICmnMIValueConst miValueConst( "breakpoint-hit" );
const CMICmnMIValueResult miValueResult( "reason", miValueConst );
CMICmnMIOutOfBandRecord miOutOfBandRecord( CMICmnMIOutOfBandRecord::eOutOfBand_Stopped, miValueResult );
const CMICmnMIValueConst miValueConst2( "del" );
const CMICmnMIValueResult miValueResult2( "disp", miValueConst2 );
bOk = miOutOfBandRecord.Add( miValueResult2 );
const CMIUtilString strBkp( CMIUtilString::Format( "%d", vBrkPtId ) );
const CMICmnMIValueConst miValueConst3( strBkp );
CMICmnMIValueResult miValueResult3( "bkptno", miValueConst3 );
bOk = bOk && miOutOfBandRecord.Add( miValueResult3 );
const CMICmnMIValueConst miValueConst4( "{}" );
const CMICmnMIValueResult miValueResult4( "frame", miValueConst4 );
bOk = bOk && miOutOfBandRecord.Add( miValueResult4 );
const CMIUtilString strThreadId( CMIUtilString::Format( "%d", vBrkPt.GetThreadIndex() ) );
const CMICmnMIValueConst miValueConst5( strThreadId );
const CMICmnMIValueResult miValueResult5( "thread-id", miValueConst5 );
bOk = bOk && miOutOfBandRecord.Add( miValueResult5 );
const CMICmnMIValueConst miValueConst6( "all" );
const CMICmnMIValueResult miValueResult6( "stopped-threads", miValueConst6 );
bOk = bOk && miOutOfBandRecord.Add( miValueResult6 );
bOk = bOk && MiOutOfBandRecordToStdout( miOutOfBandRecord );
bOk = bOk && TextToStdout( "(gdb)" );
return bOk;
}
CMICmnLLDBDebugSessionInfo & rSession = CMICmnLLDBDebugSessionInfo::Instance();
lldb::SBFrame frame = thread.GetFrameAtIndex( 0 );
lldb::addr_t pc = 0;
CMIUtilString fnName;
CMIUtilString fileName;
CMIUtilString path;
MIuint nLine = 0;
if( !rSession.GetFrameInfo( frame, pc, fnName, fileName, path, nLine ) )
{
SetErrorDescription( CMIUtilString::Format( MIRSRC( IDS_LLDBOUTOFBAND_ERR_FRAME_INFO_GET ), "MiStoppedAtBreakPoint()" ) );
return MIstatus::failure;
}
// MI print "*stopped,reason=\"breakpoint-hit\",disp=\"del\",bkptno=\"%d\",frame={addr=\"0x%08x\",func=\"%s\",args=[],file=\"%s\",fullname=\"%s\",line=\"%d\"},thread-id=\"%d\",stopped-threads=\"all\""
const CMICmnMIValueConst miValueConst( "breakpoint-hit" );
const CMICmnMIValueResult miValueResult( "reason", miValueConst );
CMICmnMIOutOfBandRecord miOutOfBandRecord( CMICmnMIOutOfBandRecord::eOutOfBand_Stopped, miValueResult );
const CMICmnMIValueConst miValueConstA( "del" );
const CMICmnMIValueResult miValueResultA( "disp", miValueConstA );
bOk = miOutOfBandRecord.Add( miValueResultA );
const CMIUtilString strBkp( CMIUtilString::Format( "%d", vBrkPtId ) );
const CMICmnMIValueConst miValueConstB( strBkp );
CMICmnMIValueResult miValueResultB( "bkptno", miValueConstB );
bOk = bOk && miOutOfBandRecord.Add( miValueResultB );
// frame={addr=\"0x%08x\",func=\"%s\",args=[],file=\"%s\",fullname=\"%s\",line=\"%d\"}
if( bOk )
{
CMICmnMIValueList miValueList( true );
const MIuint vMaskVarTypes = 0x1000;
bOk = rSession.MIResponseFormVariableInfo( frame, vMaskVarTypes, miValueList );
CMICmnMIValueTuple miValueTuple;
bOk = bOk && rSession.MIResponseFormFrameInfo( pc, fnName, miValueList.GetString(), fileName, path, nLine, miValueTuple );
const CMICmnMIValueResult miValueResult8( "frame", miValueTuple );
bOk = bOk && miOutOfBandRecord.Add( miValueResult8 );
}
// Add to MI thread-id=\"%d\",stopped-threads=\"all\"
if( bOk )
{
const CMIUtilString strThreadId( CMIUtilString::Format( "%d", thread.GetIndexID() ) );
const CMICmnMIValueConst miValueConst8( strThreadId );
const CMICmnMIValueResult miValueResult8( "thread-id", miValueConst8 );
bOk = miOutOfBandRecord.Add( miValueResult8 );
}
if( bOk )
{
const CMICmnMIValueConst miValueConst9( "all" );
const CMICmnMIValueResult miValueResult9( "stopped-threads", miValueConst9 );
bOk = miOutOfBandRecord.Add( miValueResult9 );
bOk = MiOutOfBandRecordToStdout( miOutOfBandRecord );
bOk = bOk && TextToStdout( "(gdb)" );
}
return MIstatus::success;
}
//++ ------------------------------------------------------------------------------------
// Details: Asynchronous event handler for LLDB Process stop reason trace.
// Type: Method.
// Args: None.
// Return: MIstatus::success - Functionality succeeded.
// MIstatus::failure - Functionality failed.
// Throws: None.
//--
bool CMICmnLLDBDebuggerHandleEvents::HandleProcessEventStopReasonTrace( void )
{
bool bOk = true;
lldb::SBProcess & rProcess = CMICmnLLDBDebugSessionInfo::Instance().m_lldbProcess;
lldb::SBThread thread = rProcess.GetSelectedThread();
const MIuint nFrame = thread.GetNumFrames();
if( nFrame == 0 )
{
// MI print "*stopped,reason=\"trace\",stopped-threads=\"all\""
const CMICmnMIValueConst miValueConst( "trace" );
const CMICmnMIValueResult miValueResult( "reason", miValueConst );
CMICmnMIOutOfBandRecord miOutOfBandRecord( CMICmnMIOutOfBandRecord::eOutOfBand_Stopped, miValueResult );
const CMICmnMIValueConst miValueConst2( "all" );
const CMICmnMIValueResult miValueResult2( "stopped-threads", miValueConst2 );
bOk = miOutOfBandRecord.Add( miValueResult2 );
bOk = MiOutOfBandRecordToStdout( miOutOfBandRecord );
bOk = bOk && TextToStdout( "(gdb)" );
return bOk;
}
CMICmnLLDBDebugSessionInfo & rSession = CMICmnLLDBDebugSessionInfo::Instance();
// MI print "*stopped,reason=\"end-stepping-range\",frame={addr=\"0x%08x\",func=\"%s\",args=[],file=\"%s\",fullname=\"%s\",line=\"%d\"},thread-id=\"%d\",stopped-threads=\"all\""
lldb::SBFrame frame = thread.GetFrameAtIndex( 0 );
lldb::addr_t pc = 0;
CMIUtilString fnName;
CMIUtilString fileName;
CMIUtilString path;
MIuint nLine = 0;
if( !rSession.GetFrameInfo( frame, pc, fnName, fileName, path, nLine ) )
{
SetErrorDescription( CMIUtilString::Format( MIRSRC( IDS_LLDBOUTOFBAND_ERR_FRAME_INFO_GET ), "HandleProcessEventStopReasonTrace()" ) );
return MIstatus::failure;
}
// frame={addr=\"0x%08x\",func=\"%s\",args=[],file=\"%s\",fullname=\"%s\",line=\"%d\"}
CMICmnMIValueTuple miValueTuple;
if( !rSession.MIResponseFormFrameInfo( pc, fnName, "[]", fileName, path, nLine, miValueTuple ) )
return MIstatus::failure;
const CMICmnMIValueConst miValueConst( "end-stepping-range" );
const CMICmnMIValueResult miValueResult( "reason", miValueConst );
CMICmnMIOutOfBandRecord miOutOfBandRecord( CMICmnMIOutOfBandRecord::eOutOfBand_Stopped, miValueResult );
bOk = miOutOfBandRecord.Add( miValueTuple );
// Add to MI thread-id=\"%d\",stopped-threads=\"all\"
if( bOk )
{
const CMIUtilString strThreadId( CMIUtilString::Format( "%d", thread.GetIndexID() ) );
const CMICmnMIValueConst miValueConst8( strThreadId );
const CMICmnMIValueResult miValueResult8( "thread-id", miValueConst8 );
bOk = miOutOfBandRecord.Add( miValueResult8 );
}
if( bOk )
{
const CMICmnMIValueConst miValueConst9( "all" );
const CMICmnMIValueResult miValueResult9( "stopped-threads", miValueConst9 );
bOk = miOutOfBandRecord.Add( miValueResult9 );
bOk = MiOutOfBandRecordToStdout( miOutOfBandRecord );
bOk = bOk && TextToStdout( "(gdb)" );
}
return bOk;
}
//++ ------------------------------------------------------------------------------------
// Details: Asynchronous function update selected thread.
// Type: Method.
// Args: None.
// Return: MIstatus::success - Functionality succeeded.
// MIstatus::failure - Functionality failed.
// Throws: None.
//--
bool CMICmnLLDBDebuggerHandleEvents::UpdateSelectedThread( void )
{
lldb::SBProcess process = CMICmnLLDBDebugSessionInfo::Instance().m_rLldbDebugger.GetSelectedTarget().GetProcess();
if( !process.IsValid() )
return MIstatus::success;
lldb::SBThread currentThread = process.GetSelectedThread();
lldb::SBThread thread;
const lldb::StopReason eCurrentThreadStoppedReason = currentThread.GetStopReason();
if( !currentThread.IsValid() || (eCurrentThreadStoppedReason == lldb::eStopReasonInvalid) || (eCurrentThreadStoppedReason == lldb::eStopReasonNone) )
{
// Prefer a thread that has just completed its plan over another thread as current thread
lldb::SBThread planThread;
lldb::SBThread otherThread;
const size_t nThread = process.GetNumThreads();
for( MIuint i = 0; i < nThread; i++ )
{
// GetThreadAtIndex() uses a base 0 index
// GetThreadByIndexID() uses a base 1 index
thread = process.GetThreadAtIndex( i );
const lldb::StopReason eThreadStopReason = thread.GetStopReason();
switch( eThreadStopReason )
{
case lldb::eStopReasonTrace:
case lldb::eStopReasonBreakpoint:
case lldb::eStopReasonWatchpoint:
case lldb::eStopReasonSignal:
case lldb::eStopReasonException:
if( !otherThread.IsValid() )
otherThread = thread;
break;
case lldb::eStopReasonPlanComplete:
if( !planThread.IsValid() )
planThread = thread;
break;
case lldb::eStopReasonInvalid:
case lldb::eStopReasonNone:
default:
break;
}
}
if( planThread.IsValid() )
process.SetSelectedThread( planThread );
else if( otherThread.IsValid() )
process.SetSelectedThread( otherThread );
else
{
if( currentThread.IsValid() )
thread = currentThread;
else
thread = process.GetThreadAtIndex( 0 );
if( thread.IsValid() )
process.SetSelectedThread( thread );
}
} // if( !currentThread.IsValid() || (eCurrentThreadStoppedReason == lldb::eStopReasonInvalid) || (eCurrentThreadStoppedReason == lldb::eStopReasonNone) )
return MIstatus::success;
}
//++ ------------------------------------------------------------------------------------
// Details: Print to stdout "*running,thread-id=\"all\"", "(gdb)".
// Type: Method.
// Args: None.
// Return: MIstatus::success - Functionality succeeded.
// MIstatus::failure - Functionality failed.
// Throws: None.
//--
bool CMICmnLLDBDebuggerHandleEvents::HandleProcessEventStateRunning( void )
{
CMICmnMIValueConst miValueConst( "all" );
CMICmnMIValueResult miValueResult( "thread-id", miValueConst );
CMICmnMIOutOfBandRecord miOutOfBandRecord( CMICmnMIOutOfBandRecord::eOutOfBand_Running, miValueResult );
bool bOk = MiOutOfBandRecordToStdout( miOutOfBandRecord );
bOk = bOk && TextToStdout( "(gdb)" );
return bOk;
}
//++ ------------------------------------------------------------------------------------
// Details: Print to stdout "=thread-exited,id=\"%ld\",group-id=\"i1\"",
// "=thread-group-exited,id=\"i1\",exit-code=\"0\""),
// "*stopped,reason=\"exited-normally\"",
// "(gdb)"
// Type: Method.
// Args: None.
// Return: MIstatus::success - Functionality succeeded.
// MIstatus::failure - Functionality failed.
// Throws: None.
//--
bool CMICmnLLDBDebuggerHandleEvents::HandleProcessEventStateExited( void )
{
const CMIUtilString strId( CMIUtilString::Format( "%ld", 1 ) );
CMICmnMIValueConst miValueConst( strId );
CMICmnMIValueResult miValueResult( "id", miValueConst );
CMICmnMIOutOfBandRecord miOutOfBandRecord( CMICmnMIOutOfBandRecord::eOutOfBand_ThreadExited, miValueResult );
CMICmnMIValueConst miValueConst2( "i1" );
CMICmnMIValueResult miValueResult2( "group-id", miValueConst2 );
bool bOk = miOutOfBandRecord.Add( miValueResult2 );
bOk = bOk && MiOutOfBandRecordToStdout( miOutOfBandRecord );
if( bOk )
{
CMICmnMIValueConst miValueConst3( "i1" );
CMICmnMIValueResult miValueResult3( "id", miValueConst3 );
CMICmnMIOutOfBandRecord miOutOfBandRecord2( CMICmnMIOutOfBandRecord::eOutOfBand_ThreadGroupExited, miValueResult3 );
CMICmnMIValueConst miValueConst2( "0" );
CMICmnMIValueResult miValueResult2( "exit-code", miValueConst2 );
bOk = miOutOfBandRecord2.Add( miValueResult2 );
bOk = bOk && MiOutOfBandRecordToStdout( miOutOfBandRecord2 );
}
if( bOk )
{
CMICmnMIValueConst miValueConst4( "exited-normally" );
CMICmnMIValueResult miValueResult4( "reason", miValueConst4 );
CMICmnMIOutOfBandRecord miOutOfBandRecord3( CMICmnMIOutOfBandRecord::eOutOfBand_Stopped, miValueResult4 );
bOk = MiOutOfBandRecordToStdout( miOutOfBandRecord3 );
}
bOk = bOk && TextToStdout( "(gdb)" );
return bOk;
}
//++ ------------------------------------------------------------------------------------
// Details: Drain all stdout so we don't see any output come after we print our prompts.
// The process has stuff waiting for stdout; get it and write it out to the
// appropriate place.
// Type: Method.
// Args: None.
// Return: MIstatus::success - Functionality succeeded.
// MIstatus::failure - Functionality failed.
// Throws: None.
//--
bool CMICmnLLDBDebuggerHandleEvents::GetProcessStdout( void )
{
bool bOk = MIstatus::success;
char c;
size_t nBytes = 0;
CMIUtilString text;
lldb::SBProcess process = CMICmnLLDBDebugSessionInfo::Instance().m_rLldbDebugger.GetSelectedTarget().GetProcess();
while( process.GetSTDOUT( &c, 1 ) > 0 )
{
CMIUtilString str;
if( ConvertPrintfCtrlCodeToString( c, str ) )
text += str;
nBytes++;
}
if( nBytes > 0 )
{
const CMIUtilString t( CMIUtilString::Format( "~\"%s\"", text.c_str() ) );
bOk = TextToStdout( t );
}
return bOk;
}
//++ ------------------------------------------------------------------------------------
// Details: Drain all stderr so we don't see any output come after we print our prompts.
// The process has stuff waiting for stderr; get it and write it out to the
// appropriate place.
// Type: Method.
// Args: None.
// Return: MIstatus::success - Functionality succeeded.
// MIstatus::failure - Functionality failed.
// Throws: None.
//--
bool CMICmnLLDBDebuggerHandleEvents::GetProcessStderr( void )
{
bool bOk = MIstatus::success;
char c;
size_t nBytes = 0;
CMIUtilString text;
lldb::SBProcess process = CMICmnLLDBDebugSessionInfo::Instance().m_rLldbDebugger.GetSelectedTarget().GetProcess();
while( process.GetSTDERR( &c, 1 ) > 0 )
{
CMIUtilString str;
if( ConvertPrintfCtrlCodeToString( c, str ) )
text += str;
nBytes++;
}
if( nBytes > 0 )
{
const CMIUtilString t( CMIUtilString::Format( "~\"%s\"", text.c_str() ) );
bOk = TextToStdout( t );
}
return bOk;
}
//++ ------------------------------------------------------------------------------------
// Details: Convert text stream control codes to text equivalent.
// Type: Method.
// Args: vCtrl - (R) The control code.
// vwrStrEquivalent - (W) The text equivalent.
// Return: MIstatus::success - Functionality succeeded.
// MIstatus::failure - Functionality failed.
// Throws: None.
//--
bool CMICmnLLDBDebuggerHandleEvents::ConvertPrintfCtrlCodeToString( const MIchar vCtrl, CMIUtilString & vwrStrEquivalent )
{
switch( vCtrl )
{
case '\033': vwrStrEquivalent = "\\e"; break;
case '\a': vwrStrEquivalent = "\\a"; break;
case '\b': vwrStrEquivalent = "\\b"; break;
case '\f': vwrStrEquivalent = "\\f"; break;
case '\n': vwrStrEquivalent = "\\n"; break;
case '\r': vwrStrEquivalent = "\\r"; break;
case '\t': vwrStrEquivalent = "\\t"; break;
case '\v': vwrStrEquivalent = "\\v"; break;
default:
vwrStrEquivalent = CMIUtilString::Format( "%c", vCtrl );
break;
}
return MIstatus::success;
}
//++ ------------------------------------------------------------------------------------
// Details: Asynchronous event function check for state changes.
// Type: Method.
// Args: None.
// Return: MIstatus::success - Functionality succeeded.
// MIstatus::failure - Functionality failed.
// Throws: None.
//--
bool CMICmnLLDBDebuggerHandleEvents::ChkForStateChanges( void )
{
lldb::SBProcess & rProcess = CMICmnLLDBDebugSessionInfo::Instance().m_lldbProcess;
if( !rProcess.IsValid() )
return MIstatus::success;
lldb::SBTarget & rTarget = CMICmnLLDBDebugSessionInfo::Instance().m_lldbTarget;
if( !rTarget.IsValid() )
return MIstatus::success;
bool bOk = MIstatus::success;
// Check for created threads
const MIuint nThread = rProcess.GetNumThreads();
for( MIuint i = 0; i < nThread; i++ )
{
// GetThreadAtIndex() uses a base 0 index
// GetThreadByIndexID() uses a base 1 index
lldb::SBThread thread = rProcess.GetThreadAtIndex( i );
if( !thread.IsValid() )
continue;
CMICmnLLDBDebugSessionInfo::VecActiveThreadId_t::const_iterator it = CMICmnLLDBDebugSessionInfo::Instance().m_vecActiveThreadId.begin();
bool bFound = false;
while( it != CMICmnLLDBDebugSessionInfo::Instance().m_vecActiveThreadId.end() )
{
const MIuint nThreadId = *it;
if( nThreadId == i )
{
bFound = true;
break;
}
// Next
++it;
}
if( !bFound )
{
CMICmnLLDBDebugSessionInfo::Instance().m_vecActiveThreadId.push_back( i );
// Form MI "=thread-created,id=\"%d\",group-id=\"i1\""
const CMIUtilString strValue( CMIUtilString::Format( "%d", thread.GetIndexID() ) );
const CMICmnMIValueConst miValueConst( strValue );
const CMICmnMIValueResult miValueResult( "id", miValueConst );
CMICmnMIOutOfBandRecord miOutOfBand( CMICmnMIOutOfBandRecord::eOutOfBand_ThreadCreated, miValueResult );
const CMICmnMIValueConst miValueConst2( "i1" );
const CMICmnMIValueResult miValueResult2( "group-id", miValueConst2 );
bOk = miOutOfBand.Add( miValueResult2 );
bOk = bOk && MiOutOfBandRecordToStdout( miOutOfBand );
if( !bOk )
return MIstatus::failure;
}
}
lldb::SBThread currentThread = rProcess.GetSelectedThread();
if( currentThread.IsValid() )
{
const MIuint threadId = currentThread.GetIndexID();
if( CMICmnLLDBDebugSessionInfo::Instance().m_currentSelectedThread != threadId )
{
CMICmnLLDBDebugSessionInfo::Instance().m_currentSelectedThread = threadId;
// Form MI "=thread-selected,id=\"%d\""
const CMIUtilString strValue( CMIUtilString::Format( "%d", currentThread.GetIndexID() ) );
const CMICmnMIValueConst miValueConst( strValue );
const CMICmnMIValueResult miValueResult( "id", miValueConst );
CMICmnMIOutOfBandRecord miOutOfBand( CMICmnMIOutOfBandRecord::eOutOfBand_ThreadSelected, miValueResult );
if( !MiOutOfBandRecordToStdout( miOutOfBand ) )
return MIstatus::failure;
}
}
// Check for invalid (removed) threads
CMICmnLLDBDebugSessionInfo::VecActiveThreadId_t::const_iterator it = CMICmnLLDBDebugSessionInfo::Instance().m_vecActiveThreadId.begin();
while( it != CMICmnLLDBDebugSessionInfo::Instance().m_vecActiveThreadId.end() )
{
const MIuint nThreadId = *it;
lldb::SBThread thread = rProcess.GetThreadAtIndex( nThreadId );
if( !thread.IsValid() )
{
// Form MI "=thread-exited,id=\"%ld\",group-id=\"i1\""
const CMIUtilString strValue( CMIUtilString::Format( "%ld", thread.GetIndexID() ) );
const CMICmnMIValueConst miValueConst( strValue );
const CMICmnMIValueResult miValueResult( "id", miValueConst );
CMICmnMIOutOfBandRecord miOutOfBand( CMICmnMIOutOfBandRecord::eOutOfBand_ThreadExited, miValueResult );
const CMICmnMIValueConst miValueConst2( "i1" );
const CMICmnMIValueResult miValueResult2( "group-id", miValueConst2 );
bOk = miOutOfBand.Add( miValueResult2 );
bOk = bOk && MiOutOfBandRecordToStdout( miOutOfBand );
if( !bOk )
return MIstatus::failure;
}
// Next
++it;
}
return TextToStdout( "(gdb)" );
}
//++ ------------------------------------------------------------------------------------
// Details: Take a fully formed MI result record and send to the stdout stream.
// Also output to the MI Log file.
// Type: Method.
// Args: vrMiResultRecord - (R) MI result record object.
// Return: MIstatus::success - Functionality succeeded.
// MIstatus::failure - Functionality failed.
// Throws: None.
//--
bool CMICmnLLDBDebuggerHandleEvents::MiResultRecordToStdout( const CMICmnMIResultRecord & vrMiResultRecord )
{
return TextToStdout( vrMiResultRecord.GetString() );
}
//++ ------------------------------------------------------------------------------------
// Details: Take a fully formed MI Out-of-band record and send to the stdout stream.
// Also output to the MI Log file.
// Type: Method.
// Args: vrMiOutOfBandRecord - (R) MI Out-of-band record object.
// Return: MIstatus::success - Functionality succeeded.
// MIstatus::failure - Functionality failed.
// Throws: None.
//--
bool CMICmnLLDBDebuggerHandleEvents::MiOutOfBandRecordToStdout( const CMICmnMIOutOfBandRecord & vrMiOutOfBandRecord )
{
return TextToStdout( vrMiOutOfBandRecord.GetString() );
}
//++ ------------------------------------------------------------------------------------
// Details: Take a text data and send to the stdout stream. Also output to the MI Log
// file.
// Type: Method.
// Args: vrTxt - (R) Text.
// Return: MIstatus::success - Functionality succeeded.
// MIstatus::failure - Functionality failed.
// Throws: None.
//--
bool CMICmnLLDBDebuggerHandleEvents::TextToStdout( const CMIUtilString & vrTxt )
{
return CMICmnStreamStdout::TextToStdout( vrTxt );
}
//++ ------------------------------------------------------------------------------------
// Details: Take a text data and send to the stderr stream. Also output to the MI Log
// file.
// Type: Method.
// Args: vrTxt - (R) Text.
// Return: MIstatus::success - Functionality succeeded.
// MIstatus::failure - Functionality failed.
// Throws: None.
//--
bool CMICmnLLDBDebuggerHandleEvents::TextToStderr( const CMIUtilString & vrTxt )
{
return CMICmnStreamStderr::TextToStderr( vrTxt );
}