// Copyright 2018 Dolphin Emulator Project // Licensed under GPLv2+ // Refer to the license.txt file included. #include "DolphinQt/Debugger/JITWidget.h" #include #include #include #include #include #include "Common/GekkoDisassembler.h" #include "Common/StringUtil.h" #include "Core/PowerPC/PPCAnalyst.h" #include "UICommon/Disassembler.h" #include "DolphinQt/Settings.h" JITWidget::JITWidget(QWidget* parent) : QDockWidget(parent) { setWindowTitle(tr("JIT Blocks")); setObjectName(QStringLiteral("jitwidget")); setAllowedAreas(Qt::AllDockWidgetAreas); auto& settings = Settings::GetQSettings(); CreateWidgets(); restoreGeometry(settings.value(QStringLiteral("jitwidget/geometry")).toByteArray()); setFloating(settings.value(QStringLiteral("jitwidget/floating")).toBool()); m_table_splitter->restoreState( settings.value(QStringLiteral("jitwidget/tablesplitter")).toByteArray()); m_asm_splitter->restoreState( settings.value(QStringLiteral("jitwidget/asmsplitter")).toByteArray()); connect(&Settings::Instance(), &Settings::JITVisibilityChanged, [this](bool visible) { setHidden(!visible); }); connect(&Settings::Instance(), &Settings::DebugModeToggled, [this](bool enabled) { setHidden(!enabled || !Settings::Instance().IsJITVisible()); }); connect(&Settings::Instance(), &Settings::EmulationStateChanged, this, &JITWidget::Update); setHidden(!Settings::Instance().IsJITVisible() || !Settings::Instance().IsDebugModeEnabled()); ConnectWidgets(); #if defined(_M_X86) m_disassembler = GetNewDisassembler("x86"); #elif defined(_M_ARM_64) m_disassembler = GetNewDisassembler("aarch64"); #else m_disassembler = GetNewDisassembler("UNK"); #endif Update(); } JITWidget::~JITWidget() { auto& settings = Settings::GetQSettings(); settings.setValue(QStringLiteral("jitwidget/geometry"), saveGeometry()); settings.setValue(QStringLiteral("jitwidget/floating"), isFloating()); settings.setValue(QStringLiteral("jitwidget/tablesplitter"), m_table_splitter->saveState()); settings.setValue(QStringLiteral("jitwidget/asmsplitter"), m_asm_splitter->saveState()); } void JITWidget::CreateWidgets() { m_table_widget = new QTableWidget; m_table_widget->setColumnCount(7); m_table_widget->setHorizontalHeaderLabels( {tr("Address"), tr("PPC Size"), tr("Host Size"), // i18n: The symbolic name of a code block tr("Symbol"), // i18n: These are the kinds of flags that a CPU uses (e.g. carry), // not the kinds of flags that represent e.g. countries tr("Flags"), // i18n: The number of times a code block has been executed tr("NumExec"), // i18n: Performance cost, not monetary cost tr("Cost")}); m_ppc_asm_widget = new QTextBrowser; m_host_asm_widget = new QTextBrowser; m_table_splitter = new QSplitter(Qt::Vertical); m_asm_splitter = new QSplitter(Qt::Horizontal); m_refresh_button = new QPushButton(tr("Refresh")); m_table_splitter->addWidget(m_table_widget); m_table_splitter->addWidget(m_asm_splitter); m_asm_splitter->addWidget(m_ppc_asm_widget); m_asm_splitter->addWidget(m_host_asm_widget); QWidget* widget = new QWidget; auto* layout = new QVBoxLayout; layout->setContentsMargins(2, 2, 2, 2); widget->setLayout(layout); layout->addWidget(m_table_splitter); layout->addWidget(m_refresh_button); setWidget(widget); } void JITWidget::ConnectWidgets() { connect(m_refresh_button, &QPushButton::pressed, this, &JITWidget::Update); } void JITWidget::Compare(u32 address) { m_address = address; Update(); } void JITWidget::Update() { if (!m_address) { m_ppc_asm_widget->setHtml(QStringLiteral("%1").arg(tr("(ppc)"))); m_host_asm_widget->setHtml(QStringLiteral("%1").arg(tr("(host)"))); return; } // TODO: Actually do something with the table (Wx doesn't) // Get host side code disassembly u32 host_instructions_count = 0; u32 host_code_size = 0; std::string host_instructions_disasm; host_instructions_disasm = DisassembleBlock(m_disassembler.get(), &m_address, &host_instructions_count, &host_code_size); m_host_asm_widget->setHtml( QStringLiteral("
%1
").arg(QString::fromStdString(host_instructions_disasm))); // == Fill in ppc box u32 ppc_addr = m_address; PPCAnalyst::CodeBuffer code_buffer(32000); PPCAnalyst::BlockStats st; PPCAnalyst::BlockRegStats gpa; PPCAnalyst::BlockRegStats fpa; PPCAnalyst::CodeBlock code_block; PPCAnalyst::PPCAnalyzer analyzer; analyzer.SetOption(PPCAnalyst::PPCAnalyzer::OPTION_CONDITIONAL_CONTINUE); analyzer.SetOption(PPCAnalyst::PPCAnalyzer::OPTION_BRANCH_FOLLOW); code_block.m_stats = &st; code_block.m_gpa = &gpa; code_block.m_fpa = &fpa; if (analyzer.Analyze(ppc_addr, &code_block, &code_buffer, code_buffer.size()) != 0xFFFFFFFF) { std::ostringstream ppc_disasm; for (u32 i = 0; i < code_block.m_num_instructions; i++) { const PPCAnalyst::CodeOp& op = code_buffer[i]; const std::string opcode = Common::GekkoDisassembler::Disassemble(op.inst.hex, op.address); ppc_disasm << std::setfill('0') << std::setw(8) << std::hex << op.address; ppc_disasm << " " << opcode << std::endl; } // Add stats to the end of the ppc box since it's generally the shortest. ppc_disasm << std::dec << std::endl; // Add some generic analysis if (st.isFirstBlockOfFunction) ppc_disasm << "(first block of function)" << std::endl; if (st.isLastBlockOfFunction) ppc_disasm << "(last block of function)" << std::endl; ppc_disasm << st.numCycles << " estimated cycles" << std::endl; ppc_disasm << "Num instr: PPC: " << code_block.m_num_instructions << " Host: " << host_instructions_count << " (blowup: " << 100 * host_instructions_count / code_block.m_num_instructions - 100 << "%)" << std::endl; ppc_disasm << "Num bytes: PPC: " << code_block.m_num_instructions * 4 << " Host: " << host_code_size << " (blowup: " << 100 * host_code_size / (4 * code_block.m_num_instructions) - 100 << "%)" << std::endl; m_ppc_asm_widget->setHtml( QStringLiteral("
%1
").arg(QString::fromStdString(ppc_disasm.str()))); } else { m_host_asm_widget->setHtml( QStringLiteral("
%1
") .arg(QString::fromStdString(StringFromFormat("(non-code address: %08x)", m_address)))); m_ppc_asm_widget->setHtml(QStringLiteral("---")); } } void JITWidget::closeEvent(QCloseEvent*) { Settings::Instance().SetJITVisible(false); }