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ee8e8fc7bf
It was possible for the static instance to become null even though an active trace logger instance existed
333 lines
10 KiB
C++
333 lines
10 KiB
C++
#include "stdafx.h"
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#include <regex>
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#include "TraceLogger.h"
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#include "DisassemblyInfo.h"
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#include "DebuggerTypes.h"
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#include "Console.h"
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#include "Debugger.h"
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#include "MemoryManager.h"
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#include "LabelManager.h"
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#include "EmulationSettings.h"
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#include "ExpressionEvaluator.h"
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#include "../Utilities/HexUtilities.h"
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#include "../Utilities/FolderUtilities.h"
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string TraceLogger::_executionTrace = "";
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TraceLogger::TraceLogger(Debugger* debugger, shared_ptr<MemoryManager> memoryManager, shared_ptr<LabelManager> labelManager)
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{
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_expEvaluator = shared_ptr<ExpressionEvaluator>(new ExpressionEvaluator(debugger));
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_memoryManager = memoryManager;
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_labelManager = labelManager;
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_currentPos = 0;
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_logCount = 0;
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_logToFile = false;
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_pendingLog = false;
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}
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TraceLogger::~TraceLogger()
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{
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StopLogging();
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}
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template<typename T>
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void TraceLogger::WriteValue(string &output, T value, RowPart& rowPart)
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{
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string str = rowPart.DisplayInHex ? HexUtilities::ToHex(value) : std::to_string(value);
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output += str;
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if(rowPart.MinWidth > (int)str.size()) {
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output += std::string(rowPart.MinWidth - str.size(), ' ');
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}
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}
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template<>
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void TraceLogger::WriteValue(string &output, string value, RowPart& rowPart)
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{
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output += value;
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if(rowPart.MinWidth > (int)value.size()) {
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output += std::string(rowPart.MinWidth - value.size(), ' ');
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}
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}
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void TraceLogger::SetOptions(TraceLoggerOptions options)
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{
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_options = options;
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string condition = _options.Condition;
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string format = _options.Format;
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auto lock = _lock.AcquireSafe();
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_conditionRpnList.clear();
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if(!condition.empty()) {
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vector<int> *rpnList = _expEvaluator->GetRpnList(condition);
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if(rpnList) {
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_conditionRpnList = *rpnList;
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}
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}
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_rowParts.clear();
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std::regex formatRegex = std::regex("(\\[\\s*([^[]*?)\\s*(,\\s*([\\d]*)\\s*(h){0,1}){0,1}\\s*\\])|([^[]*)", std::regex_constants::icase);
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std::sregex_iterator start = std::sregex_iterator(format.cbegin(), format.cend(), formatRegex);
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std::sregex_iterator end = std::sregex_iterator();
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for(std::sregex_iterator it = start; it != end; it++) {
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const std::smatch& match = *it;
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if(match.str(1) == "") {
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RowPart part = {};
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part.DataType = RowDataType::Text;
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part.Text = match.str(6);
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_rowParts.push_back(part);
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} else {
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RowPart part = {};
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string dataType = match.str(2);
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if(dataType == "ByteCode") {
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part.DataType = RowDataType::ByteCode;
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} else if(dataType == "Disassembly") {
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part.DataType = RowDataType::Disassembly;
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} else if(dataType == "EffectiveAddress") {
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part.DataType = RowDataType::EffectiveAddress;
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} else if(dataType == "MemoryValue") {
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part.DataType = RowDataType::MemoryValue;
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} else if(dataType == "Align") {
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part.DataType = RowDataType::Align;
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} else if(dataType == "PC") {
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part.DataType = RowDataType::PC;
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} else if(dataType == "A") {
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part.DataType = RowDataType::A;
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} else if(dataType == "X") {
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part.DataType = RowDataType::X;
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} else if(dataType == "Y") {
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part.DataType = RowDataType::Y;
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} else if(dataType == "P") {
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part.DataType = RowDataType::PS;
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} else if(dataType == "SP") {
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part.DataType = RowDataType::SP;
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} else if(dataType == "Cycle") {
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part.DataType = RowDataType::Cycle;
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} else if(dataType == "Scanline") {
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part.DataType = RowDataType::Scanline;
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} else if(dataType == "FrameCount") {
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part.DataType = RowDataType::FrameCount;
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} else if(dataType == "CycleCount") {
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part.DataType = RowDataType::CycleCount;
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} else {
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part.DataType = RowDataType::Text;
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part.Text = "[Invalid tag]";
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}
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if(!match.str(4).empty()) {
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try {
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part.MinWidth = std::stoi(match.str(4));
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} catch(std::exception) {
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}
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}
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part.DisplayInHex = match.str(5) == "h";
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_rowParts.push_back(part);
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}
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}
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}
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void TraceLogger::StartLogging(string filename)
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{
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_outputBuffer.clear();
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_outputFile.open(filename, ios::out | ios::binary);
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_logToFile = true;
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}
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void TraceLogger::StopLogging()
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{
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if(_logToFile) {
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_logToFile = false;
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if(_outputFile) {
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if(!_outputBuffer.empty()) {
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_outputFile << _outputBuffer;
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}
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_outputFile.close();
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}
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}
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}
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void TraceLogger::LogExtraInfo(const char *log)
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{
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if(_logToFile && _options.ShowExtraInfo) {
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//Flush current buffer
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_outputFile << _outputBuffer;
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_outputBuffer.clear();
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_outputFile << "[" << log << " - Cycle: " << std::to_string(CPU::GetCycleCount()) << "]" << (_options.UseWindowsEol ? "\r\n" : "\n");
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}
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}
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void TraceLogger::GetStatusFlag(string &output, uint8_t ps, RowPart& part)
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{
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if(part.DisplayInHex) {
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WriteValue(output, ps, part);
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} else {
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constexpr char activeStatusLetters[8] = { 'N', 'V', '-', '-', 'D', 'I', 'Z', 'C' };
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constexpr char inactiveStatusLetters[8] = { 'n', 'v', '-', '-', 'd', 'i', 'z', 'c' };
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string flags;
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for(int i = 0; i < 8; i++) {
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if(ps & 0x80) {
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flags += activeStatusLetters[i];
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} else if(part.MinWidth >= 8) {
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flags += inactiveStatusLetters[i];
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}
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ps <<= 1;
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}
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WriteValue(output, flags, part);
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}
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}
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void TraceLogger::GetTraceRow(string &output, State &cpuState, PPUDebugState &ppuState, DisassemblyInfo &disassemblyInfo)
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{
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int originalSize = (int)output.size();
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for(RowPart& rowPart : _rowParts) {
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switch(rowPart.DataType) {
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case RowDataType::Text: output += rowPart.Text; break;
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case RowDataType::ByteCode: {
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string byteCode;
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disassemblyInfo.GetByteCode(byteCode);
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if(!rowPart.DisplayInHex) {
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//Remove $ marks if not in "hex" mode (but still display the bytes as hex)
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byteCode.erase(std::remove(byteCode.begin(), byteCode.end(), '$'), byteCode.end());
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}
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WriteValue(output, byteCode, rowPart);
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break;
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}
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case RowDataType::Disassembly: {
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int indentLevel = 0;
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string code;
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if(_options.IndentCode) {
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indentLevel = 0xFF - cpuState.SP;
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code = std::string(indentLevel, ' ');
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}
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LabelManager* labelManager = _options.UseLabels ? _labelManager.get() : nullptr;
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disassemblyInfo.ToString(code, cpuState.DebugPC, _memoryManager.get(), labelManager, _options.ExtendZeroPage);
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WriteValue(output, code, rowPart);
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break;
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}
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case RowDataType::EffectiveAddress:{
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string effectiveAddress;
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disassemblyInfo.GetEffectiveAddressString(effectiveAddress, cpuState, _memoryManager.get(), _options.UseLabels ? _labelManager.get() : nullptr);
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WriteValue(output, effectiveAddress, rowPart);
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break;
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}
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case RowDataType::MemoryValue:{
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int32_t value = disassemblyInfo.GetMemoryValue(cpuState, _memoryManager.get());
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if(value >= 0) {
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output += rowPart.DisplayInHex ? "= $" : "= ";
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WriteValue(output, (uint8_t)value, rowPart);
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}
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break;
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}
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case RowDataType::Align:
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if((int)output.size() - originalSize < rowPart.MinWidth) {
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output += std::string(rowPart.MinWidth - (output.size() - originalSize), ' ');
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}
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break;
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case RowDataType::PC: WriteValue(output, cpuState.DebugPC, rowPart); break;
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case RowDataType::A: WriteValue(output, cpuState.A, rowPart); break;
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case RowDataType::X: WriteValue(output, cpuState.X, rowPart); break;
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case RowDataType::Y: WriteValue(output, cpuState.Y, rowPart); break;
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case RowDataType::SP: WriteValue(output, cpuState.SP, rowPart); break;
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case RowDataType::PS: GetStatusFlag(output, cpuState.PS, rowPart); break;
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case RowDataType::Cycle: WriteValue(output, ppuState.Cycle, rowPart); break;
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case RowDataType::Scanline: WriteValue(output, ppuState.Scanline, rowPart); break;
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case RowDataType::FrameCount: WriteValue(output, ppuState.FrameCount, rowPart); break;
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case RowDataType::CycleCount: WriteValue(output, cpuState.CycleCount, rowPart); break;
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}
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}
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output += _options.UseWindowsEol ? "\r\n" : "\n";
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}
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bool TraceLogger::ConditionMatches(DebugState &state, DisassemblyInfo &disassemblyInfo, OperationInfo &operationInfo)
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{
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if(!_conditionRpnList.empty()) {
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EvalResultType type;
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if(!_expEvaluator->Evaluate(_conditionRpnList, state, type, operationInfo)) {
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if(operationInfo.OperationType == MemoryOperationType::ExecOpCode) {
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//Condition did not match, keep state/disassembly info for instruction's subsequent cycles
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_lastState = state;
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_lastDisassemblyInfo = disassemblyInfo;
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_pendingLog = true;
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}
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return false;
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}
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}
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return true;
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}
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void TraceLogger::AddRow(DisassemblyInfo &disassemblyInfo, DebugState &state)
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{
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_disassemblyCache[_currentPos] = disassemblyInfo;
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_cpuStateCache[_currentPos] = state.CPU;
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_ppuStateCache[_currentPos] = state.PPU;
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_currentPos = (_currentPos + 1) % ExecutionLogSize;
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_pendingLog = false;
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if(_logCount < ExecutionLogSize) {
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_logCount++;
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}
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if(_logToFile) {
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GetTraceRow(_outputBuffer, state.CPU, state.PPU, disassemblyInfo);
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if(_outputBuffer.size() > 32768) {
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_outputFile << _outputBuffer;
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_outputBuffer.clear();
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}
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}
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}
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void TraceLogger::LogNonExec(OperationInfo& operationInfo)
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{
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if(_pendingLog) {
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auto lock = _lock.AcquireSafe();
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if(ConditionMatches(_lastState, _lastDisassemblyInfo, operationInfo)) {
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AddRow(_lastDisassemblyInfo, _lastState);
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}
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}
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}
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void TraceLogger::Log(DebugState &state, DisassemblyInfo &disassemblyInfo, OperationInfo &operationInfo)
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{
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auto lock = _lock.AcquireSafe();
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if(ConditionMatches(state, disassemblyInfo, operationInfo)) {
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AddRow(disassemblyInfo, state);
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}
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}
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const char* TraceLogger::GetExecutionTrace(uint32_t lineCount)
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{
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int startPos;
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_executionTrace.clear();
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{
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auto lock = _lock.AcquireSafe();
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lineCount = std::min(lineCount, _logCount);
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memcpy(_cpuStateCacheCopy, _cpuStateCache, sizeof(_cpuStateCache));
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memcpy(_ppuStateCacheCopy, _ppuStateCache, sizeof(_ppuStateCache));
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memcpy(_disassemblyCacheCopy, _disassemblyCache, sizeof(_disassemblyCache));
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startPos = _currentPos + ExecutionLogSize - lineCount;
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}
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for(int i = 0; i < (int)lineCount; i++) {
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int index = (startPos + i) % ExecutionLogSize;
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_executionTrace += HexUtilities::ToHex(_cpuStateCacheCopy[index].DebugPC) + "\x1";
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string byteCode;
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_disassemblyCacheCopy[index].GetByteCode(byteCode);
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_executionTrace += byteCode + "\x1";
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GetTraceRow(_executionTrace, _cpuStateCacheCopy[index], _ppuStateCacheCopy[index], _disassemblyCacheCopy[index]);
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}
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return _executionTrace.c_str();
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} |