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// Copyright 2018 Dolphin Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#include "DolphinQt/Debugger/JITWidget.h"
#include <QPushButton>
#include <QSplitter>
#include <QTableWidget>
#include <QTextBrowser>
#include <QVBoxLayout>
#include <fmt/format.h>
#include "Common/GekkoDisassembler.h"
#include "Core/Core.h"
#include "Core/PowerPC/PPCAnalyst.h"
#include "Core/System.h"
#include "UICommon/Disassembler.h"
#include "DolphinQt/Host.h"
#include "DolphinQt/Settings.h"
JITWidget::JITWidget(QWidget* parent) : QDockWidget(parent)
{
setWindowTitle(tr("JIT Blocks"));
setObjectName(QStringLiteral("jitwidget"));
setHidden(!Settings::Instance().IsJITVisible() || !Settings::Instance().IsDebugModeEnabled());
setAllowedAreas(Qt::AllDockWidgetAreas);
auto& settings = Settings::GetQSettings();
CreateWidgets();
restoreGeometry(settings.value(QStringLiteral("jitwidget/geometry")).toByteArray());
// macOS: setHidden() needs to be evaluated before setFloating() for proper window presentation
// according to Settings
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,
[this](bool visible) { setHidden(!visible); });
connect(&Settings::Instance(), &Settings::DebugModeToggled, this,
[this](bool enabled) { setHidden(!enabled || !Settings::Instance().IsJITVisible()); });
connect(&Settings::Instance(), &Settings::EmulationStateChanged, this, &JITWidget::Update);
connect(Host::GetInstance(), &Host::UpdateDisasmDialog, this, &JITWidget::Update);
ConnectWidgets();
#if defined(_M_X86_64)
m_disassembler = GetNewDisassembler("x86");
#elif defined(_M_ARM_64)
m_disassembler = GetNewDisassembler("aarch64");
#else
m_disassembler = GetNewDisassembler("UNK");
#endif
}
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->setTabKeyNavigation(false);
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::clicked, this, &JITWidget::Update);
}
void JITWidget::Compare(u32 address)
{
m_address = address;
Settings::Instance().SetJITVisible(true);
raise();
m_host_asm_widget->setFocus();
Update();
}
void JITWidget::Update()
{
if (!isVisible())
return;
if (!m_address || (Core::GetState(Core::System::GetInstance()) != Core::State::Paused))
{
m_ppc_asm_widget->setHtml(QStringLiteral("<i>%1</i>").arg(tr("(ppc)")));
m_host_asm_widget->setHtml(QStringLiteral("<i>%1</i>").arg(tr("(host)")));
return;
}
// TODO: Actually do something with the table (Wx doesn't)
// Get host side code disassembly
auto host_instructions_disasm = DisassembleBlock(m_disassembler.get(), m_address);
m_address = host_instructions_disasm.entry_address;
m_host_asm_widget->setHtml(
QStringLiteral("<pre>%1</pre>").arg(QString::fromStdString(host_instructions_disasm.text)));
// == 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.SetDebuggingEnabled(Config::IsDebuggingEnabled());
analyzer.SetBranchFollowingEnabled(Config::Get(Config::MAIN_JIT_FOLLOW_BRANCH));
analyzer.SetFloatExceptionsEnabled(Config::Get(Config::MAIN_FLOAT_EXCEPTIONS));
analyzer.SetDivByZeroExceptionsEnabled(Config::Get(Config::MAIN_DIVIDE_BY_ZERO_EXCEPTIONS));
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::string ppc_disasm_str;
auto ppc_disasm = std::back_inserter(ppc_disasm_str);
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);
fmt::format_to(ppc_disasm, "{:08x} {}\n", op.address, opcode);
}
// Add stats to the end of the ppc box since it's generally the shortest.
fmt::format_to(ppc_disasm, "\n{} estimated cycles", st.numCycles);
fmt::format_to(ppc_disasm, "\nNum instr: PPC: {} Host: {}", code_block.m_num_instructions,
host_instructions_disasm.instruction_count);
if (code_block.m_num_instructions != 0 && host_instructions_disasm.instruction_count != 0)
{
fmt::format_to(
ppc_disasm, " (blowup: {}%)",
100 * host_instructions_disasm.instruction_count / code_block.m_num_instructions - 100);
}
fmt::format_to(ppc_disasm, "\nNum bytes: PPC: {} Host: {}", code_block.m_num_instructions * 4,
host_instructions_disasm.code_size);
if (code_block.m_num_instructions != 0 && host_instructions_disasm.code_size != 0)
{
fmt::format_to(
ppc_disasm, " (blowup: {}%)",
100 * host_instructions_disasm.code_size / (4 * code_block.m_num_instructions) - 100);
}
m_ppc_asm_widget->setHtml(
QStringLiteral("<pre>%1</pre>").arg(QString::fromStdString(ppc_disasm_str)));
}
else
{
m_host_asm_widget->setHtml(
QStringLiteral("<pre>%1</pre>")
.arg(QString::fromStdString(fmt::format("(non-code address: {:08x})", m_address))));
m_ppc_asm_widget->setHtml(QStringLiteral("<i>---</i>"));
}
}
void JITWidget::closeEvent(QCloseEvent*)
{
Settings::Instance().SetJITVisible(false);
}
void JITWidget::showEvent(QShowEvent* event)
{
Update();
}
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