public RuntimeProcess(DisassembledFileBase file, ITerminal terminal)
        {
            // intialize this so that we're signaled. this will allow the run task
            // to be initialized to not wait until the user actually commands us to pause
            m_RunTimer = new Stopwatch();
            m_ProcCtrl = new ChildProcControl();
            m_InstructionAddrToBreakpointMap = new Dictionary <int, bool>();
            m_ExecutionState = PrgmExecutionState.Stopped;
            m_Terminal       = terminal;
            m_RegMgr         = new RegisterManager(file.TextSegment.StartingSegmentAddress, CommonConstants.DEFAULT_STACK_ADDRESS);

            m_DataSegment = new RuntimeDataSegmentAccessor(file.DataSegment);

            m_Ctx = new Interpreter.ExecutionContext(this, terminal, m_DataSegment, m_RegMgr, file.TextSegment);

            // initialize the instruction breakpoint map.
            // this will give us a positive performance boost when we execute the program
            // since we will not be creating new boolean entries in the hash table.
            int endingTxtSegmentAddr = file.TextSegment.StartingSegmentAddress + file.TextSegment.SegmentSize;

            for (int instructionAddr = file.TextSegment.StartingSegmentAddress;
                 instructionAddr < endingTxtSegmentAddr;
                 instructionAddr += sizeof(int))
            {
                m_InstructionAddrToBreakpointMap.Add(instructionAddr, false);
            }
        }
Beispiel #2
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        /// <summary>
        /// Task for disassembling one individual file.
        /// </summary>
        /// <param name="logger">The logging implementation to log errors/info to.</param>
        /// <param name="options">The options to use while disassembling.</param>
        /// <returns>True if the disassembler could successfully disassemble the file; otherwise returns false.</returns>
        public bool DisassembleFile(ILogger logger, DisassemblerOptions options)
        {
            bool success = true;

            logger.Log(LogLevel.Info, "Invoking disassembler for file " + options.InputFileName);
            try
            {
                ICompiledFileReader  fileParser = m_FileParserFac.GetFileParser(options.InputFileName);
                DisassembledFileBase fileBase   = fileParser.ParseFile(options.InputFileName, logger);
                IAssemblyFileWriter  fileWriter = fileBase.AssemblyTextFileWriter;
                fileWriter.GenerateOutputFile(options.OutputFileName);
            }
            catch (IOException ex)
            {
                logger.Log(LogLevel.Critical, ex.Message);
                success = false;
            }
            catch (Exception ex)
            {
                logger.Log(LogLevel.Critical, "In file " + options.InputFileName + ":");
                logger.Log(LogLevel.Critical, ex.Message);
                success = false;
            }

            return(success);
        }
Beispiel #3
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        private string DisassembleToTemporaryFile(string inputFileName, ILogger logger)
        {
            string outputFileName = Path.GetTempFileName();

            logger.Log(LogLevel.Info, "Invoking disassembler for file " + inputFileName);
            try
            {
                ICompiledFileReader  fileParser = m_FileParserFac.GetFileParser(inputFileName);
                DisassembledFileBase fileBase   = fileParser.ParseFile(inputFileName, logger);
                IAssemblyFileWriter  fileWriter = fileBase.AssemblyTextFileWriter;
                fileWriter.GenerateOutputFile(outputFileName);
            }
            catch (IOException ex)
            {
                logger.Log(LogLevel.Critical, ex.Message);
                throw;
            }
            catch (Exception ex)
            {
                logger.Log(LogLevel.Critical, "In file " + inputFileName + ":");
                logger.Log(LogLevel.Critical, ex.Message);
                throw;
            }

            return(outputFileName);
        }
        public ConsoleSimulation(string inputFileName, CommandInterpreter interpreter)
        {
            m_Terminal       = new ConsoleEmulator(interpreter);
            m_Logger         = new ConsoleLogger();
            m_TerminationMgr = new TerminationManager(inputFileName);

            var fileParserFac = new FileReaderFactory();
            ICompiledFileReader  fileParser = fileParserFac.GetFileParser(inputFileName);
            DisassembledFileBase file       = fileParser.ParseFile(inputFileName, m_Logger);

            m_Terminal.PrintString("Successfully loaded " + inputFileName +
                                   " (source file: " + file.SourceInformation.SourceFilePath + "; " + file.TotalFileSize + " bytes)\n");

            m_ExecCtx = new RuntimeProcess(file, m_Terminal);

            IEnumerable <InstructionData> programInstructions =
                DisassemblerServices.GenerateInstructionData(file.SymbolTable, file.TextSegment, file.SourceInformation);

            m_SrcMapping = new Dictionary <int, SourceLineInformation>();

            foreach (InstructionData instructionElem in programInstructions)
            {
                m_SrcMapping.Add(instructionElem.ProgramCounterLocation, new SourceLineInformation(instructionElem));
            }

            m_CmdTable = new CommandTable(m_SrcMapping, m_ExecCtx, m_Terminal, m_TerminationMgr);

            m_Terminal.AddAvailableCommands(m_CmdTable.AllCommands);
        }
        public DisassembledFileViewModel(string fileName,
                                         DisassembledFileBase runtimeFile)
        {
            m_UnderlyingFile = runtimeFile;
            m_Instructions   = new BindingList <ProgramInstructionViewModel>();
            m_FilePath       = fileName;
            IEnumerable <InstructionData> programInstructions =
                DisassemblerServices.GenerateInstructionData(runtimeFile.SymbolTable, runtimeFile.TextSegment, runtimeFile.SourceInformation);

            foreach (InstructionData instructionElem in programInstructions)
            {
                m_Instructions.Add(new ProgramInstructionViewModel(instructionElem));
            }
        }
        private void LoadFile(string fileName)
        {
            // see if we already have this file open. if so, just refresh it
            // by removing the existing version and adding a new one to the model.
            int fileIdx = m_FilesToExecute.IndexOf((vm) => vm.FilePath == fileName);

            if (fileIdx >= 0)
            {
                m_FilesToExecute.RemoveAt(fileIdx);
            }

            var fileReader            = m_FileProc.GetFileParser(fileName);
            DisassembledFileBase file = fileReader.ParseFile(fileName, m_LoggerVm.Logger);

            m_FilesToExecute.Add(new DisassembledFileViewModel(fileName, file));
            ActiveTabIdx = (m_FilesToExecute.Count - 1);
        }
 public ElfAssemblyFileWriter(DisassembledFileBase underlyingFile)
 {
     m_UnderlyingFile = underlyingFile;
 }
      public ExecutionViewModel(ITerminal terminal, DisassembledFileViewModel underlyingVm, IList<ProgramInstructionViewModel> instructionVm)
      {
         // intialize this so that we're signaled. this will allow the run task
         // to be initialized to not wait until the user actually commands us to pause
         m_PauseCtrl = new PauseController();
         m_InstructionAddrToBreakpointMap = new Dictionary<int, bool>();
         m_ExecutionState = PrgmExecutionState.Stopped;
         m_Terminal = terminal;
         var registers = new RegisterViewModel[InterpreterCommon.MAX_BASIC_REGISTERS];
         for (int i = 0; i < InterpreterCommon.MAX_BASIC_REGISTERS; ++i)
         {
            if (i == 0)
            {
               registers[i] = new ZeroRegisterViewModel();
            }
            else
            {
               registers[i] = new RegisterViewModel(i);
            }
         }

         DisassembledFileBase file = underlyingVm.FileData;

         var dataSegmentAccessor = new BindableDataSegmentAccessor(file.DataSegment);
         
         var fltPtRegs = new FloatingPointRegisterViewModel[InterpreterCommon.MAX_FLOATING_PT_REGISTERS];
         for (int i = 0; i < fltPtRegs.Length; ++i)
         {
            fltPtRegs[i] = new FloatingPointRegisterViewModel(i);
         }

         m_RegMgr = new RegisterManager(registers, fltPtRegs, file.TextSegment.StartingSegmentAddress, CommonConstants.DEFAULT_STACK_ADDRESS);
         m_Ctx = new Interpreter.ExecutionContext(this, terminal, dataSegmentAccessor, m_RegMgr, file.TextSegment);

         m_DataSegmentElements = new BindingList<DataAddressViewModel>();

         // increment this by 16. Each row will display four words.
         for (int currElem = file.DataSegment.BaseRuntimeDataAddress; 
             currElem < file.DataSegment.BaseRuntimeDataAddress + file.DataSegmentLength;
             currElem += 16)
         {
            m_DataSegmentElements.Add(new DataAddressViewModel(currElem, dataSegmentAccessor));
         }

         m_ExecuteFileCmd = new RelayCommand(() => OnExecutionTaskBegin(), true);
         m_TerminateExecutionCmd = new RelayCommand(() => CancelExecution(), false);
         m_SwitchRepresentationCmd = new RelayCommand<RegisterDisplayType>((param) => SwitchRegisterDisplayType(param), true);
         m_SwitchDataRepresentationCmd = new RelayCommand<RegisterDisplayType>((param) => SwitchDataDisplayType(param), true);
         m_PauseExecutionCmd = new RelayCommand(() => PauseExecution(), false);
         m_ResumeExecutionCmd = new RelayCommand(() => ResumeExecution(), false);
         m_InstructionStepCmd = new RelayCommand(() => TemporarilyUnblockExecutionTask(), false);
         m_SetBreakpointCmd = new RelayCommand<int>(param => SetProgramBreakpoint(param), true);
         m_UnsetBreakpointCmd = new RelayCommand<int>(param => UnsetProgramBreakpoint(param), true);

         // initialize the instruction breakpoint map.
         // this will give us a positive performance boost when we execute the program
         // since we will not be creating new boolean entries in the hash table.
         foreach (var instruction in instructionVm)
         {
            m_InstructionAddrToBreakpointMap.Add(instruction.ProgramCounterLocation, false);
            instruction.PropertyChanged += OnFileViewModelPropertyChanged;
         }
      }