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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.
//
//===----------------------------------------------------------------------===//
// Third party headers:
#include "lldb/API/SBAddress.h"
#include "lldb/API/SBBreakpoint.h"
#include "lldb/API/SBCommandInterpreter.h"
#include "lldb/API/SBCommandReturnObject.h"
#include "lldb/API/SBEvent.h"
#include "lldb/API/SBProcess.h"
#include "lldb/API/SBStream.h"
#include "lldb/API/SBTarget.h"
#include "lldb/API/SBThread.h"
#include "lldb/API/SBUnixSignals.h"
#include "llvm/Support/Compiler.h"
#ifdef _WIN32
#include <io.h> // For the ::_access()
#else
#include <unistd.h> // For the ::access()
#endif // _WIN32
// In-house headers:
#include "MICmnLLDBDebugSessionInfo.h"
#include "MICmnLLDBDebugger.h"
#include "MICmnLLDBDebuggerHandleEvents.h"
#include "MICmnLog.h"
#include "MICmnMIOutOfBandRecord.h"
#include "MICmnMIResultRecord.h"
#include "MICmnMIValueConst.h"
#include "MICmnMIValueList.h"
#include "MICmnResources.h"
#include "MICmnStreamStderr.h"
#include "MICmnStreamStdout.h"
#include "MIDriver.h"
#include "MIUtilDebug.h"
#include "Platform.h" // for PATH_MAX
#include <algorithm>
//++
//------------------------------------------------------------------------------------
// Details: CMICmnLLDBDebuggerHandleEvents constructor.
// Type: Method.
// Args: None.
// Return: None.
// Throws: None.
//--
CMICmnLLDBDebuggerHandleEvents::CMICmnLLDBDebuggerHandleEvents() {}
//++
//------------------------------------------------------------------------------------
// Details: CMICmnLLDBDebuggerHandleEvents destructor.
// Type: Overridable.
// Args: None.
// Return: None.
// Throws: None.
//--
CMICmnLLDBDebuggerHandleEvents::~CMICmnLLDBDebuggerHandleEvents() {
Shutdown();
}
//++
//------------------------------------------------------------------------------------
// Details: Initialize resources for *this broadcaster object.
// Type: Method.
// Args: None.
// Return: MIstatus::success - Functionality succeeded.
// MIstatus::failure - Functionality failed.
// Throws: None.
//--
bool CMICmnLLDBDebuggerHandleEvents::Initialize() {
m_clientUsageRefCnt++;
if (m_bInitialized)
return MIstatus::success;
m_bInitialized = MIstatus::success;
m_bSignalsInitialized = false;
m_SIGINT = 0;
m_SIGSTOP = 0;
m_SIGSEGV = 0;
m_SIGTRAP = 0;
return m_bInitialized;
}
//++
//------------------------------------------------------------------------------------
// Details: Release resources for *this broadcaster object.
// Type: Method.
// Args: None.
// Return: MIstatus::success - Functionality succeeded.
// MIstatus::failure - Functionality failed.
// Throws: None.
//--
bool CMICmnLLDBDebuggerHandleEvents::Shutdown() {
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 ascertain 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.
// Return: MIstatus::success - Functionality succeeded.
// MIstatus::failure - Functionality failed.
// Throws: None.
//--
bool CMICmnLLDBDebuggerHandleEvents::HandleEvent(const lldb::SBEvent &vEvent,
bool &vrbHandledEvent) {
bool bOk = MIstatus::success;
vrbHandledEvent = false;
if (lldb::SBProcess::EventIsProcessEvent(vEvent)) {
vrbHandledEvent = true;
bOk = HandleEventSBProcess(vEvent);
} else if (lldb::SBBreakpoint::EventIsBreakpointEvent(vEvent)) {
vrbHandledEvent = true;
bOk = HandleEventSBBreakPoint(vEvent);
} else if (lldb::SBThread::EventIsThreadEvent(vEvent)) {
vrbHandledEvent = true;
bOk = HandleEventSBThread(vEvent);
} else if (lldb::SBTarget::EventIsTargetEvent(vEvent)) {
vrbHandledEvent = true;
bOk = HandleEventSBTarget(vEvent);
} else if (lldb::SBCommandInterpreter::EventIsCommandInterpreterEvent(
vEvent)) {
vrbHandledEvent = true;
bOk = HandleEventSBCommandInterpreter(vEvent);
}
return bOk;
}
//++
//------------------------------------------------------------------------------------
// Details: Handle a LLDB SBProcess event.
// Type: Method.
// Args: vEvent - (R) An LLDB broadcast event.
// Return: MIstatus::success - Functionality succeeded.
// MIstatus::failure - Functionality failed.
// Throws: None.
//--
bool CMICmnLLDBDebuggerHandleEvents::HandleEventSBProcess(
const lldb::SBEvent &vEvent) {
bool bOk = MIstatus::success;
const char *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::eBroadcastBitStructuredData:
pEventType = "eBroadcastBitStructuredData";
break;
case lldb::SBProcess::eBroadcastBitStateChanged:
pEventType = "eBroadcastBitStateChanged";
bOk = HandleProcessEventBroadcastBitStateChanged(vEvent);
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 char *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 = HandleEventSBBreakpointAdded(vEvent);
break;
case lldb::eBreakpointEventTypeRemoved:
pEventType = "eBreakpointEventTypeRemoved";
bOk = HandleEventSBBreakpointCmn(vEvent);
break;
case lldb::eBreakpointEventTypeLocationsResolved:
pEventType = "eBreakpointEventTypeLocationsResolved";
bOk = HandleEventSBBreakpointCmn(vEvent);
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;
case lldb::eBreakpointEventTypeAutoContinueChanged:
pEventType = "eBreakpointEventTypeAutoContinueChanged";
bOk = HandleEventSBBreakpointCmn(vEvent);
break;
}
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%016"
// PRIx64 "\",
// 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);
bool bOk = MiOutOfBandRecordToStdout(miOutOfBandRecord);
bOk = bOk && CMICmnStreamStdout::WritePrompt();
return bOk;
}
//++
//------------------------------------------------------------------------------------
// Details: Handle a LLDB SBBreakpoint added event.
// Add more breakpoint information or overwrite existing information.
// Normally a break point session info objects exists by now when an MI
// command
// was issued to insert a break so the retrieval would normally always
// succeed
// however should a user type "b main" into a console then LLDB will
// create a
// breakpoint directly, hence no MI command, hence no previous record
// of the
// breakpoint so RecordBrkPtInfoGet() will fail. We still get the event
// though
// so need to create a breakpoint info object here and send appropriate
// MI
// response.
// Type: Method.
// Args: vEvent - (R) An LLDB broadcast event.
// Return: MIstatus::success - Functionality succeeded.
// MIstatus::failure - Functionality failed.
// Throws: None.
//--
bool CMICmnLLDBDebuggerHandleEvents::HandleEventSBBreakpointAdded(
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),
"HandleEventSBBreakpointAdded()", brkPt.GetID()));
return MIstatus::failure;
}
// CODETAG_LLDB_BREAKPOINT_CREATION
// This is in a worker thread
CMICmnLLDBDebugSessionInfo::SBrkPtInfo sBrkPtInfoRec;
const bool bBrkPtExistAlready =
rSessionInfo.RecordBrkPtInfoGet(brkPt.GetID(), sBrkPtInfoRec);
if (bBrkPtExistAlready) {
// Update breakpoint information object
sBrkPtInfo.m_bDisp = sBrkPtInfoRec.m_bDisp;
sBrkPtInfo.m_bEnabled = brkPt.IsEnabled();
sBrkPtInfo.m_bHaveArgOptionThreadGrp = false;
sBrkPtInfo.m_strOptThrdGrp.clear();
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;
} else {
// Create a breakpoint information object
sBrkPtInfo.m_bDisp = brkPt.IsOneShot();
sBrkPtInfo.m_bEnabled = brkPt.IsEnabled();
sBrkPtInfo.m_bHaveArgOptionThreadGrp = false;
sBrkPtInfo.m_strOptThrdGrp.clear();
sBrkPtInfo.m_strOrigLoc = CMIUtilString::Format(
"%s:%d", sBrkPtInfo.m_fileName.c_str(), sBrkPtInfo.m_nLine);
sBrkPtInfo.m_nIgnore = brkPt.GetIgnoreCount();
sBrkPtInfo.m_bPending = false;
const char *pStrCondition = brkPt.GetCondition();
sBrkPtInfo.m_bCondition = (pStrCondition != nullptr) ? true : false;
sBrkPtInfo.m_strCondition =
(pStrCondition != nullptr) ? pStrCondition : "??";
sBrkPtInfo.m_bBrkPtThreadId = (brkPt.GetThreadID() != 0) ? true : false;
sBrkPtInfo.m_nBrkPtThreadId = brkPt.GetThreadID();
}
CMICmnMIValueTuple miValueTuple;
if (!rSessionInfo.MIResponseFormBrkPtInfo(sBrkPtInfo, miValueTuple)) {
SetErrorDescription(
CMIUtilString::Format(MIRSRC(IDS_LLDBOUTOFBAND_ERR_FORM_MI_RESPONSE),
"HandleEventSBBreakpointAdded()"));
return MIstatus::failure;
}
bool bOk = MIstatus::success;
if (bBrkPtExistAlready) {
// MI print
// "=breakpoint-modified,bkpt={number=\"%d\",type=\"breakpoint\",disp=\"%s\",enabled=\"%c\",addr=\"0x%016"
// PRIx64
// "\",func=\"%s\",file=\"%s\",fullname=\"%s/%s\",line=\"%d\",times=\"%d\",original-location=\"%s\"}"
const CMICmnMIValueResult miValueResult("bkpt", miValueTuple);
const CMICmnMIOutOfBandRecord miOutOfBandRecord(
CMICmnMIOutOfBandRecord::eOutOfBand_BreakPointModified, miValueResult);
bOk = MiOutOfBandRecordToStdout(miOutOfBandRecord);
bOk = bOk && CMICmnStreamStdout::WritePrompt();
} else {
// CODETAG_LLDB_BRKPT_ID_MAX
if (brkPt.GetID() > (lldb::break_id_t)rSessionInfo.m_nBrkPointCntMax) {
SetErrorDescription(CMIUtilString::Format(
MIRSRC(IDS_CMD_ERR_BRKPT_CNT_EXCEEDED),
"HandleEventSBBreakpointAdded()", rSessionInfo.m_nBrkPointCntMax,
sBrkPtInfo.m_id));
return MIstatus::failure;
}
if (!rSessionInfo.RecordBrkPtInfo(brkPt.GetID(), sBrkPtInfo)) {
SetErrorDescription(CMIUtilString::Format(
MIRSRC(IDS_LLDBOUTOFBAND_ERR_BRKPT_INFO_SET),
"HandleEventSBBreakpointAdded()", sBrkPtInfo.m_id));
return MIstatus::failure;
}
// MI print
// "=breakpoint-created,bkpt={number=\"%d\",type=\"breakpoint\",disp=\"%s\",enabled=\"%c\",addr=\"0x%016"
// PRIx64
// "\",func=\"%s\",file=\"%s\",fullname=\"%s/%s\",line=\"%d\",times=\"%d\",original-location=\"%s\"}"
const CMICmnMIValueResult miValueResult("bkpt", miValueTuple);
const CMICmnMIOutOfBandRecord miOutOfBandRecord(
CMICmnMIOutOfBandRecord::eOutOfBand_BreakPointCreated, miValueResult);
bOk = MiOutOfBandRecordToStdout(miOutOfBandRecord);
bOk = bOk && CMICmnStreamStdout::WritePrompt();
}
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 char *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);
miOutOfBandRecord.Add(miValueResult2);
return MiOutOfBandRecordToStdout(miOutOfBandRecord);
}
//++
//------------------------------------------------------------------------------------
// 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 SBTarget event.
// Type: Method.
// Args: vEvent - (R) An LLDB broadcast event.
// Return: MIstatus::success - Functional succeeded.
// MIstatus::failure - Functional failed.
// Throws: None.
//--
bool CMICmnLLDBDebuggerHandleEvents::HandleEventSBTarget(
const lldb::SBEvent &vEvent) {
if (!ChkForStateChanges())
return MIstatus::failure;
bool bOk = MIstatus::success;
const char *pEventType = "";
const MIuint nEventType = vEvent.GetType();
switch (nEventType) {
case lldb::SBTarget::eBroadcastBitBreakpointChanged:
pEventType = "eBroadcastBitBreakpointChanged";
break;
case lldb::SBTarget::eBroadcastBitModulesLoaded:
pEventType = "eBroadcastBitModulesLoaded";
bOk = HandleTargetEventBroadcastBitModulesLoaded(vEvent);
break;
case lldb::SBTarget::eBroadcastBitModulesUnloaded:
pEventType = "eBroadcastBitModulesUnloaded";
bOk = HandleTargetEventBroadcastBitModulesUnloaded(vEvent);
break;
case lldb::SBTarget::eBroadcastBitWatchpointChanged:
pEventType = "eBroadcastBitWatchpointChanged";
break;
case lldb::SBTarget::eBroadcastBitSymbolsLoaded:
pEventType = "eBroadcastBitSymbolsLoaded";
break;
default: {
const CMIUtilString msg(
CMIUtilString::Format(MIRSRC(IDS_LLDBOUTOFBAND_ERR_UNKNOWN_EVENT),
"SBTarget", (MIuint)nEventType));
SetErrorDescription(msg);
return MIstatus::failure;
}
}
m_pLog->WriteLog(CMIUtilString::Format("##### An SBTarget event occurred: %s",
pEventType));
return bOk;
}
//++
//------------------------------------------------------------------------------------
// Details: Print to stdout
// "=library-loaded,id=\"%s\",target-name=\"%s\",host-name=\"%s\",symbols-loaded="%d"[,symbols-path=\"%s\"],loaded_addr=\"0x%016"
// PRIx64"\""
// Type: Method.
// Args: None.
// Return: MIstatus::success - Function succeeded.
// MIstatus::failure - Function failed.
// Throws: None.
//--
bool CMICmnLLDBDebuggerHandleEvents::HandleTargetEventBroadcastBitModulesLoaded(
const lldb::SBEvent &vEvent) {
bool bOk = MIstatus::failure;
const MIuint nSize = lldb::SBTarget::GetNumModulesFromEvent(vEvent);
for (MIuint nIndex = 0; nIndex < nSize; ++nIndex) {
const lldb::SBModule sbModule =
lldb::SBTarget::GetModuleAtIndexFromEvent(nIndex, vEvent);
CMICmnMIOutOfBandRecord miOutOfBandRecord(
CMICmnMIOutOfBandRecord::eOutOfBand_TargetModuleLoaded);
const bool bWithExtraFields = true;
bOk = MiHelpGetModuleInfo(sbModule, bWithExtraFields, miOutOfBandRecord);
bOk = bOk && MiOutOfBandRecordToStdout(miOutOfBandRecord);
if (!bOk)
break;
}
return bOk;
}
//++
//------------------------------------------------------------------------------------
// Details: Print to stdout
// "=library-unloaded,id=\"%s\",target-name=\"%s\",host-name=\"%s\",symbols-loaded="%d"[,symbols-path=\"%s\"],loaded_addr=\"0x%016"
// PRIx64"\""
// Type: Method.
// Args: None.
// Return: MIstatus::success - Function succeeded.
// MIstatus::failure - Function failed.
// Throws: None.
//--
bool CMICmnLLDBDebuggerHandleEvents::
HandleTargetEventBroadcastBitModulesUnloaded(const lldb::SBEvent &vEvent) {
bool bOk = MIstatus::failure;
const MIuint nSize = lldb::SBTarget::GetNumModulesFromEvent(vEvent);
for (MIuint nIndex = 0; nIndex < nSize; ++nIndex) {
const lldb::SBModule sbModule =
lldb::SBTarget::GetModuleAtIndexFromEvent(nIndex, vEvent);
CMICmnMIOutOfBandRecord miOutOfBandRecord(
CMICmnMIOutOfBandRecord::eOutOfBand_TargetModuleUnloaded);
const bool bWithExtraFields = false;
bOk = MiHelpGetModuleInfo(sbModule, bWithExtraFields, miOutOfBandRecord);
bOk = bOk && MiOutOfBandRecordToStdout(miOutOfBandRecord);
if (!bOk)
break;
}
return bOk;
}
//++
//------------------------------------------------------------------------------------
// Details: Build module information for =library-loaded/=library-unloaded:
// "id=\"%s\",target-name=\"%s\",host-name=\"%s\",symbols-loaded="%d"[,symbols-path=\"%s\"],loaded_addr=\"0x%016"
// PRIx64"\""
// Type: Method.
// Args: vwrMiValueList - (W) MI value list object.
// Return: MIstatus::success - Function succeeded.
// MIstatus::failure - Function failed.
// Throws: None.
//--
bool CMICmnLLDBDebuggerHandleEvents::MiHelpGetModuleInfo(
const lldb::SBModule &vModule, const bool vbWithExtraFields,
CMICmnMIOutOfBandRecord &vwrMiOutOfBandRecord) {
bool bOk = MIstatus::success;
// First, build standard fields:
// Build "id" field
std::unique_ptr<char[]> apPath(new char[PATH_MAX]);
vModule.GetFileSpec().GetPath(apPath.get(), PATH_MAX);
const CMIUtilString strTargetPath(apPath.get());
const CMICmnMIValueConst miValueConst(strTargetPath.AddSlashes());
const CMICmnMIValueResult miValueResult("id", miValueConst);
vwrMiOutOfBandRecord.Add(miValueResult);
// Build "target-name" field
const CMICmnMIValueConst miValueConst2(strTargetPath.AddSlashes());
const CMICmnMIValueResult miValueResult2("target-name", miValueConst2);
vwrMiOutOfBandRecord.Add(miValueResult2);
// Build "host-name" field
vModule.GetPlatformFileSpec().GetPath(apPath.get(), PATH_MAX);
const CMIUtilString strHostPath(apPath.get());
const CMICmnMIValueConst miValueConst3(strHostPath.AddSlashes());
const CMICmnMIValueResult miValueResult3("host-name", miValueConst3);
vwrMiOutOfBandRecord.Add(miValueResult3);
// Then build extra fields if needed:
if (vbWithExtraFields) {
// Build "symbols-loaded" field
vModule.GetSymbolFileSpec().GetPath(apPath.get(), PATH_MAX);
const CMIUtilString strSymbolsPath(apPath.get());
const bool bSymbolsLoaded =
!CMIUtilString::Compare(strHostPath, strSymbolsPath);
const CMICmnMIValueConst miValueConst4(
CMIUtilString::Format("%d", bSymbolsLoaded));
const CMICmnMIValueResult miValueResult4("symbols-loaded", miValueConst4);
vwrMiOutOfBandRecord.Add(miValueResult4);
// Build "symbols-path" field
if (bSymbolsLoaded) {
const CMICmnMIValueConst miValueConst5(strSymbolsPath.AddSlashes());
const CMICmnMIValueResult miValueResult5("symbols-path", miValueConst5);
vwrMiOutOfBandRecord.Add(miValueResult5);
}
// Build "loaded_addr" field
lldb::SBAddress sbAddress(vModule.GetObjectFileHeaderAddress());
CMICmnLLDBDebugSessionInfo &rSessionInfo(
CMICmnLLDBDebugSessionInfo::Instance());
const lldb::addr_t nLoadAddress(
sbAddress.GetLoadAddress(rSessionInfo.GetTarget()));
const CMIUtilString strLoadedAddr(
nLoadAddress != LLDB_INVALID_ADDRESS
? CMIUtilString::Format("0x%016" PRIx64, nLoadAddress)
: "-");
const CMICmnMIValueConst miValueConst6(strLoadedAddr);
const CMICmnMIValueResult miValueResult6("loaded_addr", miValueConst6);
vwrMiOutOfBandRecord.Add(miValueResult6);
// Build "size" field
lldb::SBSection sbSection = sbAddress.GetSection();
const CMIUtilString strSize(
CMIUtilString::Format("%" PRIu64, sbSection.GetByteSize()));
const CMICmnMIValueConst miValueConst7(strSize);
const CMICmnMIValueResult miValueResult7("size", miValueConst7);
vwrMiOutOfBandRecord.Add(miValueResult7);
}
return bOk;
}
//++
//------------------------------------------------------------------------------------
// 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 char *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";
const bool bForceExit = true;
CMICmnLLDBDebugger::Instance().GetDriver().SetExitApplicationFlag(
bForceExit);
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.
// Return: MIstatus::success - Functionality succeeded.
// MIstatus::failure - Functionality failed.
// Throws: None.
//--
bool CMICmnLLDBDebuggerHandleEvents::HandleProcessEventBroadcastBitStateChanged(
const lldb::SBEvent &vEvent) {
// Make sure the program hasn't been auto-restarted:
if (lldb::SBProcess::GetRestartedFromEvent(vEvent))
return MIstatus::success;
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 char *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(vEvent, bShouldBrk);
if (bShouldBrk)
break;
LLVM_FALLTHROUGH;
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:
// Don't exit from lldb-mi here. We should be able to re-run target.
pEventType = "eStateExited";
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) {
bool bOk = MIstatus::success;
lldb::SBDebugger &rDebugger =
CMICmnLLDBDebugSessionInfo::Instance().GetDebugger();
lldb::SBProcess sbProcess =
CMICmnLLDBDebugSessionInfo::Instance().GetProcess();
lldb::SBTarget target = sbProcess.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(
const lldb::SBEvent &vrEvent, bool &vwrbShouldBrk) {
if (!UpdateSelectedThread())
return MIstatus::failure;
const char *pEventType = "";
bool bOk = MIstatus::success;
lldb::SBProcess sbProcess =
CMICmnLLDBDebugSessionInfo::Instance().GetProcess();
const lldb::StopReason eStoppedReason =
sbProcess.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(vrEvent);
break;
case lldb::eStopReasonException:
pEventType = "eStopReasonException";
bOk = HandleProcessEventStopException();
break;
case lldb::eStopReasonExec:
pEventType = "eStopReasonExec";
break;
case lldb::eStopReasonPlanComplete:
pEventType = "eStopReasonPlanComplete";
bOk = HandleProcessEventStopReasonTrace();
break;
case lldb::eStopReasonThreadExiting:
pEventType = "eStopReasonThreadExiting";
break;
case lldb::eStopReasonInstrumentation:
pEventType = "eStopReasonInstrumentation";
break;
}
// 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: vrEvent - (R) An LLDB broadcast event.
// Return: MIstatus::success - Functionality succeeded.
// MIstatus::failure - Functionality failed.
// Throws: None.
//--
bool CMICmnLLDBDebuggerHandleEvents::HandleProcessEventStopSignal(
const lldb::SBEvent &vrEvent) {
bool bOk = MIstatus::success;
InitializeSignals();
lldb::SBProcess sbProcess =
CMICmnLLDBDebugSessionInfo::Instance().GetProcess();
const MIuint64 nStopReason =
sbProcess.GetSelectedThread().GetStopReasonDataAtIndex(0);
const bool bInterrupted = lldb::SBProcess::GetInterruptedFromEvent(vrEvent);
if (nStopReason == m_SIGINT || (nStopReason == m_SIGSTOP && bInterrupted)) {
// MI print
// "*stopped,reason=\"signal-received\",signal-name=\"SIGINT\",signal-meaning=\"Interrupt\",frame={%s},thread-id=\"%d\",stopped-threads=\"all\""
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);
miOutOfBandRecord.Add(miValueResult2);
const CMICmnMIValueConst miValueConst3("Interrupt");
const CMICmnMIValueResult miValueResult3("signal-meaning", miValueConst3);
miOutOfBandRecord.Add(miValueResult3);
CMICmnMIValueTuple miValueTuple;
bOk = bOk && MiHelpGetCurrentThreadFrame(miValueTuple);
const CMICmnMIValueResult miValueResult4("frame", miValueTuple);
miOutOfBandRecord.Add(miValueResult4);
const CMIUtilString strThreadId(CMIUtilString::Format(
"%" PRIu32, sbProcess.GetSelectedThread().GetIndexID()));
const CMICmnMIValueConst miValueConst5(strThreadId);
const CMICmnMIValueResult miValueResult5("thread-id", miValueConst5);
miOutOfBandRecord.Add(miValueResult5);
const CMICmnMIValueConst miValueConst6("all");
const CMICmnMIValueResult miValueResult6("stopped-threads", miValueConst6);
miOutOfBandRecord.Add(miValueResult6);
bOk = bOk && MiOutOfBandRecordToStdout(miOutOfBandRecord);
bOk = bOk && CMICmnStreamStdout::WritePrompt();
} else if (nStopReason == m_SIGSTOP) {
// MI print
// "*stopped,reason=\"signal-received\",signal-name=\"SIGSTOP\",signal-meaning=\"Stop\",frame={%s},thread-id=\"%d\",stopped-threads=\"all\""
const CMICmnMIValueConst miValueConst("signal-received");
const CMICmnMIValueResult miValueResult("reason", miValueConst);
CMICmnMIOutOfBandRecord miOutOfBandRecord(
CMICmnMIOutOfBandRecord::eOutOfBand_Stopped, miValueResult);
const CMICmnMIValueConst miValueConst2("SIGSTOP");
const CMICmnMIValueResult miValueResult2("signal-name", miValueConst2);
miOutOfBandRecord.Add(miValueResult2);
const CMICmnMIValueConst miValueConst3("Stop");
const CMICmnMIValueResult miValueResult3("signal-meaning", miValueConst3);
miOutOfBandRecord.Add(miValueResult3);
CMICmnMIValueTuple miValueTuple;
bOk = bOk && MiHelpGetCurrentThreadFrame(miValueTuple);
const CMICmnMIValueResult miValueResult4("frame", miValueTuple);
miOutOfBandRecord.Add(miValueResult4);
const CMIUtilString strThreadId(CMIUtilString::Format(
"%" PRIu32, sbProcess.GetSelectedThread().GetIndexID()));
const CMICmnMIValueConst miValueConst5(strThreadId);
const CMICmnMIValueResult miValueResult5("thread-id", miValueConst5);
miOutOfBandRecord.Add(miValueResult5);
const CMICmnMIValueConst miValueConst6("all");
const CMICmnMIValueResult miValueResult6("stopped-threads", miValueConst6);
miOutOfBandRecord.Add(miValueResult6);
bOk = bOk && MiOutOfBandRecordToStdout(miOutOfBandRecord);
bOk = bOk && CMICmnStreamStdout::WritePrompt();
} else if (nStopReason == m_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);
miOutOfBandRecord.Add(miValueResult2);
const CMICmnMIValueConst miValueConst3("Segmentation fault");
const CMICmnMIValueResult miValueResult3("signal-meaning", miValueConst3);
miOutOfBandRecord.Add(miValueResult3);
CMICmnMIValueTuple miValueTuple;
bOk = bOk && MiHelpGetCurrentThreadFrame(miValueTuple);
const CMICmnMIValueResult miValueResult4("frame", miValueTuple);
miOutOfBandRecord.Add(miValueResult4);
const CMIUtilString strThreadId(CMIUtilString::Format(
"%d", sbProcess.GetSelectedThread().GetIndexID()));
const CMICmnMIValueConst miValueConst5(strThreadId);
const CMICmnMIValueResult miValueResult5("thread-id", miValueConst5);
miOutOfBandRecord.Add(miValueResult5);
bOk = bOk && MiOutOfBandRecordToStdout(miOutOfBandRecord);
// Note no "(gdb)" output here
} else if (nStopReason == m_SIGTRAP) {
lldb::SBThread thread = sbProcess.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 (sbProcess.IsValid())
sbProcess.Continue();
}
}
}
} else {
// MI print
// "*stopped,reason=\"signal-received\",signal-name=\"%s\",thread-id=\"%d\",stopped-threads=\"all\""
// MI print
// "*stopped,reason=\"signal-received\",signal=\"%d\",thread-id=\"%d\",stopped-threads=\"all\""
const CMICmnMIValueConst miValueConst("signal-received");
const CMICmnMIValueResult miValueResult("reason", miValueConst);
CMICmnMIOutOfBandRecord miOutOfBandRecord(
CMICmnMIOutOfBandRecord::eOutOfBand_Stopped, miValueResult);
lldb::SBUnixSignals sbUnixSignals = sbProcess.GetUnixSignals();
const char *pSignal = sbUnixSignals.GetSignalAsCString(nStopReason);
if (pSignal) {
const CMICmnMIValueConst miValueConst2(pSignal);
const CMICmnMIValueResult miValueResult2("signal-name", miValueConst2);
miOutOfBandRecord.Add(miValueResult2);
} else {
const CMIUtilString strSignal(
CMIUtilString::Format("%" PRIu64, nStopReason));
const CMICmnMIValueConst miValueConst2(strSignal);
const CMICmnMIValueResult miValueResult2("signal", miValueConst2);
miOutOfBandRecord.Add(miValueResult2);
}
const CMIUtilString strThreadId(CMIUtilString::Format(
"%d", sbProcess.GetSelectedThread().GetIndexID()));
const CMICmnMIValueConst miValueConst3(strThreadId);
const CMICmnMIValueResult miValueResult3("thread-id", miValueConst3);
miOutOfBandRecord.Add(miValueResult3);
const CMICmnMIValueConst miValueConst4("all");
const CMICmnMIValueResult miValueResult4("stopped-threads", miValueConst4);
miOutOfBandRecord.Add(miValueResult4);
bOk = bOk && MiOutOfBandRecordToStdout(miOutOfBandRecord);
bOk = bOk && CMICmnStreamStdout::WritePrompt();
}
return bOk;
}
//++
//------------------------------------------------------------------------------------
// Details: Asynchronous event handler for LLDB Process stop exception.
// Type: Method.
// Args: None.
// Return: MIstatus::success - Functional succeeded.
// MIstatus::failure - Functional failed.
// Throws: None.
//--
bool CMICmnLLDBDebuggerHandleEvents::HandleProcessEventStopException() {
const lldb::SBProcess sbProcess =
CMICmnLLDBDebugSessionInfo::Instance().GetProcess();
lldb::SBThread sbThread = sbProcess.GetSelectedThread();
const size_t nStopDescriptionLen = sbThread.GetStopDescription(nullptr, 0);
std::unique_ptr<char[]> apStopDescription(new char[nStopDescriptionLen]);
sbThread.GetStopDescription(apStopDescription.get(), nStopDescriptionLen);
// MI print
// "*stopped,reason=\"exception-received\",exception=\"%s\",thread-id=\"%d\",stopped-threads=\"all\""
const CMICmnMIValueConst miValueConst("exception-received");
const CMICmnMIValueResult miValueResult("reason", miValueConst);
CMICmnMIOutOfBandRecord miOutOfBandRecord(
CMICmnMIOutOfBandRecord::eOutOfBand_Stopped, miValueResult);
const CMIUtilString strReason(apStopDescription.get());
const CMICmnMIValueConst miValueConst2(strReason);
const CMICmnMIValueResult miValueResult2("exception", miValueConst2);
miOutOfBandRecord.Add(miValueResult2);
const CMIUtilString strThreadId(
CMIUtilString::Format("%d", sbThread.GetIndexID()));
const CMICmnMIValueConst miValueConst3(strThreadId);
const CMICmnMIValueResult miValueResult3("thread-id", miValueConst3);
miOutOfBandRecord.Add(miValueResult3);
const CMICmnMIValueConst miValueConst4("all");
const CMICmnMIValueResult miValueResult4("stopped-threads", miValueConst4);
miOutOfBandRecord.Add(miValueResult4);
bool bOk = MiOutOfBandRecordToStdout(miOutOfBandRecord);
bOk = bOk && CMICmnStreamStdout::WritePrompt();
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 sbProcess =
CMICmnLLDBDebugSessionInfo::Instance().GetProcess();
lldb::SBThread thread = sbProcess.GetSelectedThread();
const MIuint nFrame = thread.GetNumFrames();
if (nFrame == 0) {
// MI print
// "addr=\"??\",func=\"??\",file=\"??\",fullname=\"??\",line=\"??\""
const CMICmnMIValueConst miValueConst("??");
const CMICmnMIValueResult miValueResult("addr", miValueConst);
CMICmnMIValueTuple miValueTuple(miValueResult);
const CMICmnMIValueResult miValueResult2("func", miValueConst);
miValueTuple.Add(miValueResult2);
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, CMICmnLLDBDebugSessionInfo::eFrameInfoFormat_NoArguments,
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() {
// 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 sbProcess =
CMICmnLLDBDebugSessionInfo::Instance().GetProcess();
const MIuint64 brkPtId =
sbProcess.GetSelectedThread().GetStopReasonDataAtIndex(0);
lldb::SBBreakpoint brkPt =
CMICmnLLDBDebugSessionInfo::Instance().GetTarget().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 sbProcess =
CMICmnLLDBDebugSessionInfo::Instance().GetProcess();
lldb::SBThread thread = sbProcess.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);
miOutOfBandRecord.Add(miValueResult2);
const CMIUtilString strBkp(CMIUtilString::Format("%d", vBrkPtId));
const CMICmnMIValueConst miValueConst3(strBkp);
CMICmnMIValueResult miValueResult3("bkptno", miValueConst3);
miOutOfBandRecord.Add(miValueResult3);
const CMICmnMIValueConst miValueConst4("{}");
const CMICmnMIValueResult miValueResult4("frame", miValueConst4);
miOutOfBandRecord.Add(miValueResult4);
const CMIUtilString strThreadId(
CMIUtilString::Format("%d", vBrkPt.GetThreadIndex()));
const CMICmnMIValueConst miValueConst5(strThreadId);
const CMICmnMIValueResult miValueResult5("thread-id", miValueConst5);
miOutOfBandRecord.Add(miValueResult5);
const CMICmnMIValueConst miValueConst6("all");
const CMICmnMIValueResult miValueResult6("stopped-threads", miValueConst6);
miOutOfBandRecord.Add(miValueResult6);
bOk = bOk && MiOutOfBandRecordToStdout(miOutOfBandRecord);
bOk = bOk && CMICmnStreamStdout::WritePrompt();
return bOk;
}
CMICmnLLDBDebugSessionInfo &rSessionInfo(
CMICmnLLDBDebugSessionInfo::Instance());
// MI print
// "*stopped,reason=\"breakpoint-hit\",disp=\"del\",bkptno=\"%d\",frame={addr=\"0x%016"
// PRIx64
// "\",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);
miOutOfBandRecord.Add(miValueResultA);
const CMIUtilString strBkp(CMIUtilString::Format("%d", vBrkPtId));
const CMICmnMIValueConst miValueConstB(strBkp);
CMICmnMIValueResult miValueResultB("bkptno", miValueConstB);
miOutOfBandRecord.Add(miValueResultB);
// frame={addr=\"0x%016" PRIx64
// "\",func=\"%s\",args=[],file=\"%s\",fullname=\"%s\",line=\"%d\"}
if (bOk) {
CMICmnMIValueTuple miValueTuple;
bOk = bOk &&
rSessionInfo.MIResponseFormFrameInfo(
thread, 0,
CMICmnLLDBDebugSessionInfo::eFrameInfoFormat_AllArguments,
miValueTuple);
const CMICmnMIValueResult miValueResult8("frame", miValueTuple);
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);
miOutOfBandRecord.Add(miValueResult8);
}
if (bOk) {
const CMICmnMIValueConst miValueConst9("all");
const CMICmnMIValueResult miValueResult9("stopped-threads", miValueConst9);
miOutOfBandRecord.Add(miValueResult9);
bOk = MiOutOfBandRecordToStdout(miOutOfBandRecord);
bOk = bOk && CMICmnStreamStdout::WritePrompt();
}
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() {
bool bOk = true;
lldb::SBProcess sbProcess =
CMICmnLLDBDebugSessionInfo::Instance().GetProcess();
lldb::SBThread thread = sbProcess.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);
miOutOfBandRecord.Add(miValueResult2);
bOk = MiOutOfBandRecordToStdout(miOutOfBandRecord);
bOk = bOk && CMICmnStreamStdout::WritePrompt();
return bOk;
}
CMICmnLLDBDebugSessionInfo &rSessionInfo(
CMICmnLLDBDebugSessionInfo::Instance());
// MI print
// "*stopped,reason=\"end-stepping-range\",frame={addr=\"0x%016" PRIx64
// "\",func=\"%s\",args=[\"%s\"],file=\"%s\",fullname=\"%s\",line=\"%d\"},thread-id=\"%d\",stopped-threads=\"all\""
// Function args
CMICmnMIValueTuple miValueTuple;
if (!rSessionInfo.MIResponseFormFrameInfo(
thread, 0, CMICmnLLDBDebugSessionInfo::eFrameInfoFormat_AllArguments,
miValueTuple))
return MIstatus::failure;
const CMICmnMIValueConst miValueConst("end-stepping-range");
const CMICmnMIValueResult miValueResult("reason", miValueConst);
CMICmnMIOutOfBandRecord miOutOfBandRecord(
CMICmnMIOutOfBandRecord::eOutOfBand_Stopped, miValueResult);
const CMICmnMIValueResult miValueResult2("frame", miValueTuple);
miOutOfBandRecord.Add(miValueResult2);
// Add to MI thread-id=\"%d\",stopped-threads=\"all\"
const CMIUtilString strThreadId(
CMIUtilString::Format("%d", thread.GetIndexID()));
const CMICmnMIValueConst miValueConst8(strThreadId);
const CMICmnMIValueResult miValueResult8("thread-id", miValueConst8);
miOutOfBandRecord.Add(miValueResult8);
const CMICmnMIValueConst miValueConst9("all");
const CMICmnMIValueResult miValueResult9("stopped-threads", miValueConst9);
miOutOfBandRecord.Add(miValueResult9);
bOk = MiOutOfBandRecordToStdout(miOutOfBandRecord);
bOk = bOk && CMICmnStreamStdout::WritePrompt();
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() {
lldb::SBProcess process = CMICmnLLDBDebugSessionInfo::Instance()
.GetDebugger()
.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() {
CMICmnMIValueConst miValueConst("all");
CMICmnMIValueResult miValueResult("thread-id", miValueConst);
CMICmnMIOutOfBandRecord miOutOfBandRecord(
CMICmnMIOutOfBandRecord::eOutOfBand_Running, miValueResult);
bool bOk = MiOutOfBandRecordToStdout(miOutOfBandRecord);
bOk = bOk && CMICmnStreamStdout::WritePrompt();
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() {
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);
miOutOfBandRecord.Add(miValueResult2);
bool 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);
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 && CMICmnStreamStdout::WritePrompt();
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() {
CMIUtilString text;
std::unique_ptr<char[]> apStdoutBuffer(new char[1024]);
lldb::SBProcess process = CMICmnLLDBDebugSessionInfo::Instance()
.GetDebugger()
.GetSelectedTarget()
.GetProcess();
while (1) {
const size_t nBytes = process.GetSTDOUT(apStdoutBuffer.get(), 1024);
text.append(apStdoutBuffer.get(), nBytes);
while (1) {
const size_t nNewLine = text.find('\n');
if (nNewLine == std::string::npos)
break;
const CMIUtilString line(text.substr(0, nNewLine + 1));
text.erase(0, nNewLine + 1);
const bool bEscapeQuotes(true);
CMICmnMIValueConst miValueConst(line.Escape(bEscapeQuotes));
CMICmnMIOutOfBandRecord miOutOfBandRecord(
CMICmnMIOutOfBandRecord::eOutOfBand_TargetStreamOutput, miValueConst);
const bool bOk = MiOutOfBandRecordToStdout(miOutOfBandRecord);
if (!bOk)
return MIstatus::failure;
}
if (nBytes == 0) {
if (!text.empty()) {
const bool bEscapeQuotes(true);
CMICmnMIValueConst miValueConst(text.Escape(bEscapeQuotes));
CMICmnMIOutOfBandRecord miOutOfBandRecord(
CMICmnMIOutOfBandRecord::eOutOfBand_TargetStreamOutput,
miValueConst);
return MiOutOfBandRecordToStdout(miOutOfBandRecord);
}
break;
}
}
return MIstatus::success;
}
//++
//------------------------------------------------------------------------------------
// 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() {
CMIUtilString text;
std::unique_ptr<char[]> apStderrBuffer(new char[1024]);
lldb::SBProcess process = CMICmnLLDBDebugSessionInfo::Instance()
.GetDebugger()
.GetSelectedTarget()
.GetProcess();
while (1) {
const size_t nBytes = process.GetSTDERR(apStderrBuffer.get(), 1024);
text.append(apStderrBuffer.get(), nBytes);
while (1) {
const size_t nNewLine = text.find('\n');
if (nNewLine == std::string::npos)
break;
const CMIUtilString line(text.substr(0, nNewLine + 1));
const bool bEscapeQuotes(true);
CMICmnMIValueConst miValueConst(line.Escape(bEscapeQuotes));
CMICmnMIOutOfBandRecord miOutOfBandRecord(
CMICmnMIOutOfBandRecord::eOutOfBand_TargetStreamOutput, miValueConst);
const bool bOk = MiOutOfBandRecordToStdout(miOutOfBandRecord);
if (!bOk)
return MIstatus::failure;
}
if (nBytes == 0) {
if (!text.empty()) {
const bool bEscapeQuotes(true);
CMICmnMIValueConst miValueConst(text.Escape(bEscapeQuotes));
CMICmnMIOutOfBandRecord miOutOfBandRecord(
CMICmnMIOutOfBandRecord::eOutOfBand_TargetStreamOutput,
miValueConst);
return MiOutOfBandRecordToStdout(miOutOfBandRecord);
}
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() {
CMICmnLLDBDebugSessionInfo &rSessionInfo(
CMICmnLLDBDebugSessionInfo::Instance());
lldb::SBProcess sbProcess = rSessionInfo.GetProcess();
if (!sbProcess.IsValid())
return MIstatus::success;
// Check for created threads
const MIuint nThread = sbProcess.GetNumThreads();
for (MIuint i = 0; i < nThread; i++) {
// GetThreadAtIndex() uses a base 0 index
// GetThreadByIndexID() uses a base 1 index
lldb::SBThread thread = sbProcess.GetThreadAtIndex(i);
if (!thread.IsValid())
continue;
const MIuint threadIndexID = thread.GetIndexID();
const bool bFound =
std::find(rSessionInfo.m_vecActiveThreadId.cbegin(),
rSessionInfo.m_vecActiveThreadId.cend(),
threadIndexID) != rSessionInfo.m_vecActiveThreadId.end();
if (!bFound) {
rSessionInfo.m_vecActiveThreadId.push_back(threadIndexID);
// Form MI "=thread-created,id=\"%d\",group-id=\"i1\""
const CMIUtilString strValue(CMIUtilString::Format("%d", threadIndexID));
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);
miOutOfBand.Add(miValueResult2);
bool bOk = MiOutOfBandRecordToStdout(miOutOfBand);
if (!bOk)
return MIstatus::failure;
}
}
lldb::SBThread currentThread = sbProcess.GetSelectedThread();
if (currentThread.IsValid()) {
const MIuint currentThreadIndexID = currentThread.GetIndexID();
if (rSessionInfo.m_currentSelectedThread != currentThreadIndexID) {
rSessionInfo.m_currentSelectedThread = currentThreadIndexID;
// Form MI "=thread-selected,id=\"%d\""
const CMIUtilString strValue(
CMIUtilString::Format("%d", currentThreadIndexID));
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::iterator it =
rSessionInfo.m_vecActiveThreadId.begin();
while (it != rSessionInfo.m_vecActiveThreadId.end()) {
const MIuint threadIndexID = *it;
lldb::SBThread thread = sbProcess.GetThreadByIndexID(threadIndexID);
if (!thread.IsValid()) {
// Form MI "=thread-exited,id=\"%ld\",group-id=\"i1\""
const CMIUtilString strValue(CMIUtilString::Format("%ld", threadIndexID));
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);
miOutOfBand.Add(miValueResult2);
bool bOk = MiOutOfBandRecordToStdout(miOutOfBand);
if (!bOk)
return MIstatus::failure;
// Remove current thread from cache and get next
it = rSessionInfo.m_vecActiveThreadId.erase(it);
} else
// Next
++it;
}
return CMICmnStreamStdout::WritePrompt();
}
//++
//------------------------------------------------------------------------------------
// 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);
}
//++
//------------------------------------------------------------------------------------
// Details: Initialize the member variables with the signal values in this
// process
// file.
// Type: Method.
// Args: None
// Return: Noen
// Throws: None.
//--
void CMICmnLLDBDebuggerHandleEvents::InitializeSignals() {
if (!m_bSignalsInitialized) {
lldb::SBProcess sbProcess =
CMICmnLLDBDebugSessionInfo::Instance().GetProcess();
if (sbProcess.IsValid()) {
lldb::SBUnixSignals unix_signals = sbProcess.GetUnixSignals();
m_SIGINT = unix_signals.GetSignalNumberFromName("SIGINT");
m_SIGSTOP = unix_signals.GetSignalNumberFromName("SIGSTOP");
m_SIGSEGV = unix_signals.GetSignalNumberFromName("SIGSEGV");
m_SIGTRAP = unix_signals.GetSignalNumberFromName("SIGTRAP");
m_bSignalsInitialized = true;
}
}
}
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