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//===-- MICmdCmdTarget.cpp --------------------------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//++
// File: MICmdCmdTarget.cpp
//
// Overview: CMICmdCmdTargetSelect 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/SBStream.h>
#include <lldb/API/SBCommandInterpreter.h>
#include <lldb/API/SBCommandReturnObject.h>
// In-house headers:
#include "MICmdCmdTarget.h"
#include "MICmnMIResultRecord.h"
#include "MICmnMIValueConst.h"
#include "MICmnMIOutOfBandRecord.h"
#include "MICmnLLDBDebugger.h"
#include "MICmnLLDBDebugSessionInfo.h"
#include "MICmdArgValString.h"
//++ ------------------------------------------------------------------------------------
// Details: CMICmdCmdTargetSelect constructor.
// Type: Method.
// Args: None.
// Return: None.
// Throws: None.
//--
CMICmdCmdTargetSelect::CMICmdCmdTargetSelect(void)
: m_constStrArgNamedType("type")
, m_constStrArgNamedParameters("parameters")
{
// Command factory matches this name with that received from the stdin stream
m_strMiCmd = "target-select";
// Required by the CMICmdFactory when registering *this command
m_pSelfCreatorFn = &CMICmdCmdTargetSelect::CreateSelf;
}
//++ ------------------------------------------------------------------------------------
// Details: CMICmdCmdTargetSelect destructor.
// Type: Overrideable.
// Args: None.
// Return: None.
// Throws: None.
//--
CMICmdCmdTargetSelect::~CMICmdCmdTargetSelect(void)
{
}
//++ ------------------------------------------------------------------------------------
// Details: The invoker requires this function. The parses the command line options
// arguments to extract values for each of those arguments.
// Type: Overridden.
// Args: None.
// Return: MIstatus::success - Functional succeeded.
// MIstatus::failure - Functional failed.
// Throws: None.
//--
bool
CMICmdCmdTargetSelect::ParseArgs(void)
{
bool bOk = m_setCmdArgs.Add(*(new CMICmdArgValString(m_constStrArgNamedType, true, true)));
bOk = bOk && m_setCmdArgs.Add(*(new CMICmdArgValString(m_constStrArgNamedParameters, true, true)));
return (bOk && ParseValidateCmdOptions());
}
//++ ------------------------------------------------------------------------------------
// Details: The invoker requires this function. The command does work in this function.
// The command is likely to communicate with the LLDB SBDebugger in here.
// Synopsis: -target-select type parameters ...
// Ref: http://sourceware.org/gdb/onlinedocs/gdb/GDB_002fMI-Target-Manipulation.html#GDB_002fMI-Target-Manipulation
// Type: Overridden.
// Args: None.
// Return: MIstatus::success - Functional succeeded.
// MIstatus::failure - Functional failed.
// Throws: None.
//--
bool
CMICmdCmdTargetSelect::Execute(void)
{
CMICMDBASE_GETOPTION(pArgType, String, m_constStrArgNamedType);
CMICMDBASE_GETOPTION(pArgParameters, String, m_constStrArgNamedParameters);
CMICmnLLDBDebugSessionInfo &rSessionInfo(CMICmnLLDBDebugSessionInfo::Instance());
// Check we have a valid target
// Note: target created via 'file-exec-and-symbols' command
if (!rSessionInfo.m_lldbTarget.IsValid())
{
SetError(CMIUtilString::Format(MIRSRC(IDS_CMD_ERR_INVALID_TARGET_CURRENT), m_cmdData.strMiCmd.c_str()));
return MIstatus::failure;
}
// Verify that we are executing remotely
const CMIUtilString &rRemoteType(pArgType->GetValue());
if (rRemoteType != "remote")
{
SetError(CMIUtilString::Format(MIRSRC(IDS_CMD_ERR_INVALID_TARGET_TYPE), m_cmdData.strMiCmd.c_str(), rRemoteType.c_str()));
return MIstatus::failure;
}
// Create a URL pointing to the remote gdb stub
const CMIUtilString strUrl = CMIUtilString::Format("connect://%s", pArgParameters->GetValue().c_str());
// Ask LLDB to collect to the target port
const MIchar *pPlugin("gdb-remote");
lldb::SBError error;
lldb::SBProcess process = rSessionInfo.m_lldbTarget.ConnectRemote(rSessionInfo.m_rLlldbListener, strUrl.c_str(), pPlugin, error);
// Verify that we have managed to connect successfully
lldb::SBStream errMsg;
if (!process.IsValid())
{
SetError(CMIUtilString::Format(MIRSRC(IDS_CMD_ERR_INVALID_TARGET_PLUGIN), m_cmdData.strMiCmd.c_str(), errMsg.GetData()));
return MIstatus::failure;
}
if (error.Fail())
{
SetError(CMIUtilString::Format(MIRSRC(IDS_CMD_ERR_CONNECT_TO_TARGET), m_cmdData.strMiCmd.c_str(), errMsg.GetData()));
return MIstatus::failure;
}
// Save the process in the session info
// Note: Order is important here since this process handle may be used by CMICmnLLDBDebugHandleEvents
// which can fire when interpreting via HandleCommand() below.
rSessionInfo.m_lldbProcess = process;
// Set the environment path if we were given one
CMIUtilString strWkDir;
if (rSessionInfo.SharedDataRetrieve<CMIUtilString>(rSessionInfo.m_constStrSharedDataKeyWkDir, strWkDir))
{
lldb::SBDebugger &rDbgr = rSessionInfo.m_rLldbDebugger;
if (!rDbgr.SetCurrentPlatformSDKRoot(strWkDir.c_str()))
{
SetError(CMIUtilString::Format(MIRSRC(IDS_CMD_ERR_FNFAILED), m_cmdData.strMiCmd.c_str(), "target-select"));
return MIstatus::failure;
}
}
// Set the shared object path if we were given one
CMIUtilString strSolibPath;
if (rSessionInfo.SharedDataRetrieve<CMIUtilString>(rSessionInfo.m_constStrSharedDataSolibPath, strSolibPath))
{
lldb::SBDebugger &rDbgr = rSessionInfo.m_rLldbDebugger;
lldb::SBCommandInterpreter cmdIterpreter = rDbgr.GetCommandInterpreter();
CMIUtilString strCmdString = CMIUtilString::Format("target modules search-paths add . %s", strSolibPath.c_str());
lldb::SBCommandReturnObject retObj;
cmdIterpreter.HandleCommand(strCmdString.c_str(), retObj, false);
if (!retObj.Succeeded())
{
SetError(CMIUtilString::Format(MIRSRC(IDS_CMD_ERR_FNFAILED), m_cmdData.strMiCmd.c_str(), "target-select"));
return MIstatus::failure;
}
}
return MIstatus::success;
}
//++ ------------------------------------------------------------------------------------
// Details: The invoker requires this function. The command prepares a MI Record Result
// for the work carried out in the Execute().
// Type: Overridden.
// Args: None.
// Return: MIstatus::success - Functional succeeded.
// MIstatus::failure - Functional failed.
// Throws: None.
//--
bool
CMICmdCmdTargetSelect::Acknowledge(void)
{
const CMICmnMIResultRecord miRecordResult(m_cmdData.strMiCmdToken, CMICmnMIResultRecord::eResultClass_Connected);
m_miResultRecord = miRecordResult;
CMICmnLLDBDebugSessionInfo &rSessionInfo(CMICmnLLDBDebugSessionInfo::Instance());
lldb::pid_t pid = rSessionInfo.m_lldbProcess.GetProcessID();
// Prod the client i.e. Eclipse with out-of-band results to help it 'continue' because it is using LLDB debugger
// Give the client '=thread-group-started,id="i1"'
m_bHasResultRecordExtra = true;
const CMICmnMIValueConst miValueConst2("i1");
const CMICmnMIValueResult miValueResult2("id", miValueConst2);
const CMIUtilString strPid(CMIUtilString::Format("%lld", pid));
const CMICmnMIValueConst miValueConst(strPid);
const CMICmnMIValueResult miValueResult("pid", miValueConst);
CMICmnMIOutOfBandRecord miOutOfBand(CMICmnMIOutOfBandRecord::eOutOfBand_ThreadGroupStarted, miValueResult2);
miOutOfBand.Add(miValueResult);
m_miResultRecordExtra = miOutOfBand.GetString();
return MIstatus::success;
}
//++ ------------------------------------------------------------------------------------
// Details: Required by the CMICmdFactory when registering *this command. The factory
// calls this function to create an instance of *this command.
// Type: Static method.
// Args: None.
// Return: CMICmdBase * - Pointer to a new command.
// Throws: None.
//--
CMICmdBase *
CMICmdCmdTargetSelect::CreateSelf(void)
{
return new CMICmdCmdTargetSelect();
}
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