llvm-project/lldb/tools/lldb-mi/MICmdCmdFile.cpp

184 lines
6.7 KiB
C++

//===-- MICmdCmdFile.cpp ----------------------------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//++
// File: MICmdCmdFile.cpp
//
// Overview: CMICmdCmdFileExecAndSymbols 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>
// In-house headers:
#include "MICmdCmdFile.h"
#include "MICmnMIResultRecord.h"
#include "MICmnLLDBDebugger.h"
#include "MICmnLLDBDebugSessionInfo.h"
#include "MIUtilFileStd.h"
#include "MICmdArgValFile.h"
#include "MICmdArgValOptionLong.h"
//++ ------------------------------------------------------------------------------------
// Details: CMICmdCmdFileExecAndSymbols constructor.
// Type: Method.
// Args: None.
// Return: None.
// Throws: None.
//--
CMICmdCmdFileExecAndSymbols::CMICmdCmdFileExecAndSymbols( void )
: m_constStrArgNameFile( "file" )
, m_constStrArgThreadGrp( "thread-group" )
{
// Command factory matches this name with that received from the stdin stream
m_strMiCmd = "file-exec-and-symbols";
// Required by the CMICmdFactory when registering *this command
m_pSelfCreatorFn = &CMICmdCmdFileExecAndSymbols::CreateSelf;
}
//++ ------------------------------------------------------------------------------------
// Details: CMICmdCmdFileExecAndSymbols destructor.
// Type: Overrideable.
// Args: None.
// Return: None.
// Throws: None.
//--
CMICmdCmdFileExecAndSymbols::~CMICmdCmdFileExecAndSymbols( 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 CMICmdCmdFileExecAndSymbols::ParseArgs( void )
{
bool bOk = m_setCmdArgs.Add( *(new CMICmdArgValOptionLong( m_constStrArgThreadGrp, false, false, CMICmdArgValListBase::eArgValType_ThreadGrp, 1 ) ) );
bOk = bOk && m_setCmdArgs.Add( *(new CMICmdArgValFile( m_constStrArgNameFile, 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: -file-exec-and-symbols file
// Ref: http://sourceware.org/gdb/onlinedocs/gdb/GDB_002fMI-File-Commands.html#GDB_002fMI-File-Commands
// Type: Overridden.
// Args: None.
// Return: MIstatus::success - Functional succeeded.
// MIstatus::failure - Functional failed.
// Throws: None.
//--
bool CMICmdCmdFileExecAndSymbols::Execute( void )
{
CMICMDBASE_GETOPTION( pArgNamedFile, File, m_constStrArgNameFile );
CMICmdArgValFile * pArgFile = static_cast< CMICmdArgValFile * >( pArgNamedFile );
const CMIUtilString & strExeFilePath( pArgFile->GetValue() );
CMICmnLLDBDebugSessionInfo & rSessionInfo( CMICmnLLDBDebugSessionInfo::Instance() );
lldb::SBDebugger & rDbgr = rSessionInfo.m_rLldbDebugger;
lldb::SBError error;
const MIchar * pTargetTriple = nullptr; // Let LLDB discover the triple required
const MIchar * pTargetPlatformName = "";
const bool bAddDepModules = false;
lldb::SBTarget target = rDbgr.CreateTarget( strExeFilePath.c_str(), pTargetTriple, pTargetPlatformName, bAddDepModules, error );
CMIUtilString strWkDir;
const CMIUtilString & rStrKeyWkDir( rSessionInfo.m_constStrSharedDataKeyWkDir );
if( !rSessionInfo.SharedDataRetrieve< CMIUtilString >( rStrKeyWkDir, strWkDir ) )
{
strWkDir = CMIUtilFileStd().StripOffFileName( strExeFilePath );
if( !rSessionInfo.SharedDataAdd< CMIUtilString >( rStrKeyWkDir, strWkDir ) )
{
SetError( CMIUtilString::Format( MIRSRC( IDS_DBGSESSION_ERR_SHARED_DATA_ADD ), m_cmdData.strMiCmd.c_str(), rStrKeyWkDir.c_str() ) );
return MIstatus::failure;
}
}
if( !rDbgr.SetCurrentPlatformSDKRoot( strWkDir.c_str() ) )
{
SetError( CMIUtilString::Format( MIRSRC( IDS_CMD_ERR_FNFAILED ), m_cmdData.strMiCmd.c_str(), "SetCurrentPlatformSDKRoot()" ) );
return MIstatus::failure;
}
lldb::SBStream err;
if( error.Fail() )
{
const bool bOk = error.GetDescription( err ); MIunused( bOk );
}
if( !target.IsValid() )
{
SetError( CMIUtilString::Format( MIRSRC( IDS_CMD_ERR_INVALID_TARGET ), m_cmdData.strMiCmd.c_str(), strExeFilePath.c_str(), err.GetData() ) );
return MIstatus::failure;
}
if( error.Fail() )
{
SetError( CMIUtilString::Format( MIRSRC( IDS_CMD_ERR_CREATE_TARGET ), m_cmdData.strMiCmd.c_str(), err.GetData() ) );
return MIstatus::failure;
}
rSessionInfo.m_lldbTarget = target;
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 CMICmdCmdFileExecAndSymbols::Acknowledge( void )
{
const CMICmnMIResultRecord miRecordResult( m_cmdData.strMiCmdToken, CMICmnMIResultRecord::eResultClass_Done );
m_miResultRecord = miRecordResult;
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 * CMICmdCmdFileExecAndSymbols::CreateSelf( void )
{
return new CMICmdCmdFileExecAndSymbols();
}
//++ ------------------------------------------------------------------------------------
// Details: If the MI Driver is not operating via a client i.e. Eclipse but say operating
// on a executable passed in as a argument to the drive then what should the driver
// do on a command failing? Either continue operating or exit the application.
// Override this function where a command failure cannot allow the driver to
// continue operating.
// Type: Overridden.
// Args: None.
// Return: bool - True = Fatal if command fails, false = can continue if command fails.
// Throws: None.
//--
bool CMICmdCmdFileExecAndSymbols::GetExitAppOnCommandFailure( void ) const
{
return true;
}