diff options
Diffstat (limited to 'tools/lldb-mi/MICmdCmdGdbInfo.cpp')
-rw-r--r-- | tools/lldb-mi/MICmdCmdGdbInfo.cpp | 232 |
1 files changed, 232 insertions, 0 deletions
diff --git a/tools/lldb-mi/MICmdCmdGdbInfo.cpp b/tools/lldb-mi/MICmdCmdGdbInfo.cpp new file mode 100644 index 000000000000..62bb1f280bc3 --- /dev/null +++ b/tools/lldb-mi/MICmdCmdGdbInfo.cpp @@ -0,0 +1,232 @@ +//===-- MICmdCmdGdbInfo.cpp ------------------------*- C++ -*-===// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// + +//++ +// File: MICmdCmdGdbInfo.cpp +// +// Overview: CMICmdCmdGdbInfo 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/SBCommandReturnObject.h> + +// In-house headers: +#include "MICmdCmdGdbInfo.h" +#include "MICmnMIResultRecord.h" +#include "MICmnMIValueConst.h" +#include "MICmdArgValString.h" +#include "MICmnStreamStdout.h" +#include "MICmnLLDBDebugSessionInfo.h" + +// Instantiations: +const CMICmdCmdGdbInfo::MapPrintFnNameToPrintFn_t CMICmdCmdGdbInfo::ms_mapPrintFnNameToPrintFn = +{ + { "sharedlibrary", &CMICmdCmdGdbInfo::PrintFnSharedLibrary } +}; + +//++ ------------------------------------------------------------------------------------ +// Details: CMICmdCmdGdbInfo constructor. +// Type: Method. +// Args: None. +// Return: None. +// Throws: None. +//-- +CMICmdCmdGdbInfo::CMICmdCmdGdbInfo( void ) +: m_constStrArgNamedPrint( "print" ) +, m_bPrintFnRecognised( true ) +, m_bPrintFnSuccessful( false ) +, m_strPrintFnError( MIRSRC( IDS_WORD_ERR_MSG_NOT_IMPLEMENTED_BRKTS ) ) +{ + // Command factory matches this name with that received from the stdin stream + m_strMiCmd = "info"; + + // Required by the CMICmdFactory when registering *this command + m_pSelfCreatorFn = &CMICmdCmdGdbInfo::CreateSelf; +} + +//++ ------------------------------------------------------------------------------------ +// Details: CMICmdCmdGdbInfo destructor. +// Type: Overrideable. +// Args: None. +// Return: None. +// Throws: None. +//-- +CMICmdCmdGdbInfo::~CMICmdCmdGdbInfo( 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 CMICmdCmdGdbInfo::ParseArgs( void ) +{ + bool bOk = m_setCmdArgs.Add( *(new CMICmdArgValString( m_constStrArgNamedPrint, 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. +// Type: Overridden. +// Args: None. +// Return: MIstatus::success - Functional succeeded. +// MIstatus::failure - Functional failed. +// Throws: None. +//-- +bool CMICmdCmdGdbInfo::Execute( void ) +{ + CMICMDBASE_GETOPTION( pArgPrint, String, m_constStrArgNamedPrint ); + const CMIUtilString & rPrintRequest( pArgPrint->GetValue() ); + + FnPrintPtr pPrintRequestFn = nullptr; + if( !GetPrintFn( rPrintRequest, pPrintRequestFn ) ) + { + m_strPrintFnName = rPrintRequest; + m_bPrintFnRecognised = false; + return MIstatus::success; + } + + m_bPrintFnSuccessful = (this->*(pPrintRequestFn))(); + + 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 CMICmdCmdGdbInfo::Acknowledge( void ) +{ + if( !m_bPrintFnRecognised ) + { + const CMICmnMIValueConst miValueConst( CMIUtilString::Format( MIRSRC( IDS_CMD_ERR_INFO_PRINTFN_NOT_FOUND ), m_strPrintFnName.c_str() ) ); + const CMICmnMIValueResult miValueResult( "msg", miValueConst ); + const CMICmnMIResultRecord miRecordResult( m_cmdData.strMiCmdToken, CMICmnMIResultRecord::eResultClass_Error, miValueResult ); + m_miResultRecord = miRecordResult; + return MIstatus::success; + } + + if( m_bPrintFnSuccessful ) + { + const CMICmnMIResultRecord miRecordResult( m_cmdData.strMiCmdToken, CMICmnMIResultRecord::eResultClass_Done ); + m_miResultRecord = miRecordResult; + return MIstatus::success; + } + + const CMICmnMIValueConst miValueConst( CMIUtilString::Format( MIRSRC( IDS_CMD_ERR_INFO_PRINTFN_FAILED ), m_strPrintFnError.c_str() ) ); + const CMICmnMIValueResult miValueResult( "msg", miValueConst ); + const CMICmnMIResultRecord miRecordResult( m_cmdData.strMiCmdToken, CMICmnMIResultRecord::eResultClass_Error, miValueResult ); + 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 * CMICmdCmdGdbInfo::CreateSelf( void ) +{ + return new CMICmdCmdGdbInfo(); +} + +//++ ------------------------------------------------------------------------------------ +// Details: Retrieve the print function's pointer for the matching print request. +// Type: Method. +// Args: vrPrintFnName - (R) The info requested. +// vrwpFn - (W) The print function's pointer of the function to carry out +// Return: bool - True = Print request is implemented, false = not found. +// Throws: None. +//-- +bool CMICmdCmdGdbInfo::GetPrintFn( const CMIUtilString & vrPrintFnName, FnPrintPtr & vrwpFn ) const +{ + vrwpFn = nullptr; + + const MapPrintFnNameToPrintFn_t::const_iterator it = ms_mapPrintFnNameToPrintFn.find( vrPrintFnName ); + if( it != ms_mapPrintFnNameToPrintFn.end() ) + { + vrwpFn = (*it).second; + return true; + } + + return false; +} + +//++ ------------------------------------------------------------------------------------ +// Details: Carry out work to complete the request to prepare and send back information +// asked for. +// Type: Method. +// Args: None. +// Return: MIstatus::success - Functional succeeded. +// MIstatus::failure - Functional failed. +// Throws: None. +//-- +bool CMICmdCmdGdbInfo::PrintFnSharedLibrary( void ) +{ + CMICmnStreamStdout & rStdout = CMICmnStreamStdout::Instance(); + bool bOk = rStdout.TextToStdout( "~\"From To Syms Read Shared Object Library\"" ); + + CMICmnLLDBDebugSessionInfo & rSessionInfo( CMICmnLLDBDebugSessionInfo::Instance() ); + lldb::SBTarget & rTarget = rSessionInfo.m_lldbTarget; + const MIuint nModules = rTarget.GetNumModules(); + for( MIuint i = 0; bOk && (i < nModules); i++ ) + { + lldb::SBModule module = rTarget.GetModuleAtIndex( i ); + if( module.IsValid() ) + { + const CMIUtilString strModuleFilePath( module.GetFileSpec().GetDirectory() ); + const CMIUtilString strModuleFileName( module.GetFileSpec().GetFilename() ); + const CMIUtilString strModuleFullPath( CMIUtilString::Format( "%s/%s", strModuleFilePath.c_str(), strModuleFileName.c_str() ) ); + const CMIUtilString strHasSymbols = (module.GetNumSymbols() > 0) ? "Yes" : "No"; + lldb::addr_t addrLoadS = 0xffffffff; + lldb::addr_t addrLoadSize = 0; + bool bHaveAddrLoad = false; + const MIuint nSections = module.GetNumSections(); + for( MIuint j = 0; j < nSections; j++ ) + { + lldb::SBSection section = module.GetSectionAtIndex( j ); + lldb::addr_t addrLoad = section.GetLoadAddress( rTarget ); + if( addrLoad != (lldb::addr_t) -1 ) + { + if( !bHaveAddrLoad ) + { + bHaveAddrLoad = true; + addrLoadS = addrLoad; + } + + addrLoadSize += section.GetByteSize(); + } + } + bOk = bOk && rStdout.TextToStdout( CMIUtilString::Format( "~\"0x%08x\t0x%08x\t%s\t\t%s\"", addrLoadS, addrLoadS + addrLoadSize, strHasSymbols.c_str(), strModuleFullPath.c_str() ) ); + } + } + + return bOk; +} |