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https://github.com/yuzu-emu/yuzu.git
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citra-qt: Rewrite disassembly view.
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parent
469fe42fad
commit
fd78786828
@ -1,5 +1,3 @@
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#include <QtGui>
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#include "disassembler.hxx"
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#include "../bootmanager.hxx"
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@ -14,14 +12,143 @@
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#include "core/arm/interpreter/armdefs.h"
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#include "core/arm/disassembler/arm_disasm.h"
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DisassemblerModel::DisassemblerModel(QObject* parent) : QAbstractItemModel(parent), base_address(0), code_size(0), program_counter(0), selection(QModelIndex()) {
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}
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QModelIndex DisassemblerModel::index(int row, int column, const QModelIndex& parent) const {
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return createIndex(row, column);
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}
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QModelIndex DisassemblerModel::parent(const QModelIndex& child) const {
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return QModelIndex();
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}
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int DisassemblerModel::columnCount(const QModelIndex& parent) const {
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return 3;
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}
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int DisassemblerModel::rowCount(const QModelIndex& parent) const {
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return code_size;
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}
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QVariant DisassemblerModel::data(const QModelIndex& index, int role) const {
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switch (role) {
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case Qt::DisplayRole:
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{
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static char result[255];
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u32 address = base_address + index.row() * 4;
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ARM_Disasm::disasm(address, Memory::Read32(address), result);
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if (index.column() == 0) {
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return QString("0x%1").arg((uint)(address), 8, 16, QLatin1Char('0'));
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} else if (index.column() == 1) {
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return QString::fromLatin1(result);
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} else if (index.column() == 2 && Symbols::HasSymbol(address)) {
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TSymbol symbol = Symbols::GetSymbol(address);
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return QString("%1 - Size:%2").arg(QString::fromStdString(symbol.name))
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.arg(symbol.size / 4); // divide by 4 to get instruction count
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}
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break;
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}
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case Qt::BackgroundRole:
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{
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unsigned int address = base_address + 4 * index.row();
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if (breakpoints.IsAddressBreakPoint(address))
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return QBrush(QColor(0xFF, 0xC0, 0xC0));
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else if (address == program_counter)
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return QBrush(QColor(0xC0, 0xC0, 0xFF));
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break;
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}
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default:
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break;
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}
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return QVariant();
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}
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QModelIndex DisassemblerModel::IndexFromAbsoluteAddress(unsigned int address) const {
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return index((address - base_address) / 4, 0);
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}
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const BreakPoints& DisassemblerModel::GetBreakPoints() const {
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return breakpoints;
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}
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void DisassemblerModel::ParseFromAddress(unsigned int address) {
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const unsigned int chunk_size = 1000*1000; // 10*1000*1000 is critical
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// If we haven't loaded anything yet, initialize base address to the parameter address
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if (code_size == 0)
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base_address = address;
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// If the new area is already loaded, just continue
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if (base_address + code_size > address + chunk_size && base_address <= address)
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return;
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// Insert rows before currently loaded data
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if (base_address > address) {
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unsigned int num_rows = (address - base_address) / 4;
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beginInsertRows(QModelIndex(), 0, num_rows);
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code_size += num_rows;
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base_address = address;
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endInsertRows();
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}
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// Insert rows after currently loaded data
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if (base_address + code_size < address + chunk_size) {
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unsigned int num_rows = (base_address + chunk_size - code_size - address) / 4;
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beginInsertRows(QModelIndex(), 0, num_rows);
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code_size += num_rows;
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endInsertRows();
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}
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SetNextInstruction(address);
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}
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void DisassemblerModel::OnSelectionChanged(const QModelIndex& new_selection) {
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selection = new_selection;
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}
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void DisassemblerModel::OnSetOrUnsetBreakpoint() {
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if (!selection.isValid())
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return;
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unsigned int address = base_address + selection.row() * 4;
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if (breakpoints.IsAddressBreakPoint(address)) {
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breakpoints.Remove(address);
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} else {
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breakpoints.Add(address);
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}
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emit dataChanged(selection, selection);
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}
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void DisassemblerModel::SetNextInstruction(unsigned int address) {
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QModelIndex cur_index = IndexFromAbsoluteAddress(program_counter);
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QModelIndex prev_index = IndexFromAbsoluteAddress(address);
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program_counter = address;
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emit dataChanged(cur_index, cur_index);
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emit dataChanged(prev_index, prev_index);
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}
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DisassemblerWidget::DisassemblerWidget(QWidget* parent, EmuThread& emu_thread) : QDockWidget(parent), base_addr(0), emu_thread(emu_thread)
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{
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disasm_ui.setupUi(this);
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breakpoints = new BreakPoints();
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model = new QStandardItemModel(this);
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model->setColumnCount(3);
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model = new DisassemblerModel(this);
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disasm_ui.treeView->setModel(model);
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RegisterHotkey("Disassembler", "Start/Stop", QKeySequence(Qt::Key_F5), Qt::ApplicationShortcut);
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@ -29,70 +156,33 @@ DisassemblerWidget::DisassemblerWidget(QWidget* parent, EmuThread& emu_thread) :
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RegisterHotkey("Disassembler", "Step into", QKeySequence(Qt::Key_F11), Qt::ApplicationShortcut);
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RegisterHotkey("Disassembler", "Set Breakpoint", QKeySequence(Qt::Key_F9), Qt::ApplicationShortcut);
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connect(disasm_ui.button_breakpoint, SIGNAL(clicked()), this, SLOT(OnSetBreakpoint()));
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connect(disasm_ui.button_breakpoint, SIGNAL(clicked()), model, SLOT(OnSetOrUnsetBreakpoint()));
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connect(disasm_ui.button_step, SIGNAL(clicked()), this, SLOT(OnStep()));
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connect(disasm_ui.button_pause, SIGNAL(clicked()), this, SLOT(OnPause()));
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connect(disasm_ui.button_continue, SIGNAL(clicked()), this, SLOT(OnContinue()));
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connect(disasm_ui.treeView->selectionModel(), SIGNAL(currentChanged(const QModelIndex&, const QModelIndex&)),
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model, SLOT(OnSelectionChanged(const QModelIndex&)));
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connect(GetHotkey("Disassembler", "Start/Stop", this), SIGNAL(activated()), this, SLOT(OnToggleStartStop()));
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connect(GetHotkey("Disassembler", "Step", this), SIGNAL(activated()), this, SLOT(OnStep()));
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connect(GetHotkey("Disassembler", "Step into", this), SIGNAL(activated()), this, SLOT(OnStepInto()));
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connect(GetHotkey("Disassembler", "Set Breakpoint", this), SIGNAL(activated()), this, SLOT(OnSetBreakpoint()));
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connect(GetHotkey("Disassembler", "Set Breakpoint", this), SIGNAL(activated()), model, SLOT(OnSetOrUnsetBreakpoint()));
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}
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void DisassemblerWidget::Init()
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{
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ARM_Disasm* disasm = new ARM_Disasm();
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model->ParseFromAddress(Core::g_app_core->GetPC());
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base_addr = Core::g_app_core->GetPC();
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unsigned int curInstAddr = base_addr;
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char result[255];
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for (int i = 0; i < 20000; i++) // fixed for now
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{
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disasm->disasm(curInstAddr, Memory::Read32(curInstAddr), result);
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model->setItem(i, 0, new QStandardItem(QString("0x%1").arg((uint)(curInstAddr), 8, 16, QLatin1Char('0'))));
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model->setItem(i, 1, new QStandardItem(QString(result)));
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if (Symbols::HasSymbol(curInstAddr))
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{
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TSymbol symbol = Symbols::GetSymbol(curInstAddr);
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model->setItem(i, 2, new QStandardItem(QString("%1 - Size:%2").arg(QString::fromStdString(symbol.name))
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.arg(symbol.size / 4))); // divide by 4 to get instruction count
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}
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curInstAddr += 4;
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}
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disasm_ui.treeView->resizeColumnToContents(0);
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disasm_ui.treeView->resizeColumnToContents(1);
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disasm_ui.treeView->resizeColumnToContents(2);
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QModelIndex model_index = model->index(0, 0);
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QModelIndex model_index = model->IndexFromAbsoluteAddress(Core::g_app_core->GetPC());
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disasm_ui.treeView->scrollTo(model_index);
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disasm_ui.treeView->selectionModel()->setCurrentIndex(model_index, QItemSelectionModel::SelectCurrent | QItemSelectionModel::Rows);
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}
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void DisassemblerWidget::OnSetBreakpoint()
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{
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int selected_row = SelectedRow();
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if (selected_row == -1)
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return;
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u32 address = base_addr + (selected_row * 4);
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if (breakpoints->IsAddressBreakPoint(address))
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{
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breakpoints->Remove(address);
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model->item(selected_row, 0)->setBackground(QBrush());
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model->item(selected_row, 1)->setBackground(QBrush());
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}
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else
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{
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breakpoints->Add(address);
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model->item(selected_row, 0)->setBackground(QBrush(QColor(0xFF, 0x99, 0x99)));
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model->item(selected_row, 1)->setBackground(QBrush(QColor(0xFF, 0x99, 0x99)));
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}
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}
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void DisassemblerWidget::OnContinue()
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{
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emu_thread.SetCpuRunning(true);
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@ -112,6 +202,9 @@ void DisassemblerWidget::OnStepInto()
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void DisassemblerWidget::OnPause()
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{
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emu_thread.SetCpuRunning(false);
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// TODO: By now, the CPU might not have actually stopped...
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model->SetNextInstruction(Core::g_app_core->GetPC());
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}
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void DisassemblerWidget::OnToggleStartStop()
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@ -123,13 +216,15 @@ void DisassemblerWidget::OnCPUStepped()
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{
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ARMword next_instr = Core::g_app_core->GetPC();
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if (breakpoints->IsAddressBreakPoint(next_instr))
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// TODO: Make BreakPoints less crappy (i.e. const-correct) so that this doesn't need a const_cast.
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if (const_cast<BreakPoints&>(model->GetBreakPoints()).IsAddressBreakPoint(next_instr))
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{
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emu_thread.SetCpuRunning(false);
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}
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unsigned int index = (next_instr - base_addr) / 4;
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QModelIndex model_index = model->index(index, 0);
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model->SetNextInstruction(next_instr);
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QModelIndex model_index = model->IndexFromAbsoluteAddress(next_instr);
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disasm_ui.treeView->scrollTo(model_index);
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disasm_ui.treeView->selectionModel()->setCurrentIndex(model_index, QItemSelectionModel::SelectCurrent | QItemSelectionModel::Rows);
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}
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@ -140,5 +235,5 @@ int DisassemblerWidget::SelectedRow()
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if (!index.isValid())
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return -1;
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return model->itemFromIndex(disasm_ui.treeView->selectionModel()->currentIndex())->row();
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}
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return disasm_ui.treeView->selectionModel()->currentIndex().row();
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}
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@ -1,3 +1,4 @@
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#include <QAbstractItemModel>
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#include <QDockWidget>
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#include "ui_disassembler.h"
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@ -5,9 +6,41 @@
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#include "common/break_points.h"
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class QAction;
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class QStandardItemModel;
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class EmuThread;
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class DisassemblerModel : public QAbstractItemModel
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{
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Q_OBJECT
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public:
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DisassemblerModel(QObject* parent);
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QModelIndex index(int row, int column, const QModelIndex& parent = QModelIndex()) const override;
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QModelIndex parent(const QModelIndex& child) const override;
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int columnCount(const QModelIndex& parent = QModelIndex()) const override;
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int rowCount(const QModelIndex& parent = QModelIndex()) const override;
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QVariant data(const QModelIndex& index, int role = Qt::DisplayRole) const override;
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QModelIndex IndexFromAbsoluteAddress(unsigned int address) const;
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const BreakPoints& GetBreakPoints() const;
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public slots:
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void ParseFromAddress(unsigned int address);
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void OnSelectionChanged(const QModelIndex&);
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void OnSetOrUnsetBreakpoint();
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void SetNextInstruction(unsigned int address);
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private:
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unsigned int base_address;
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unsigned int code_size;
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unsigned int program_counter;
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QModelIndex selection;
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// TODO: Make BreakPoints less crappy (i.e. const-correct) so that this needn't be mutable.
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mutable BreakPoints breakpoints;
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};
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class DisassemblerWidget : public QDockWidget
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{
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Q_OBJECT
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@ -18,7 +51,6 @@ public:
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void Init();
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public slots:
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void OnSetBreakpoint();
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void OnContinue();
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void OnStep();
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void OnStepInto();
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@ -32,11 +64,10 @@ private:
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int SelectedRow();
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Ui::DockWidget disasm_ui;
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QStandardItemModel* model;
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DisassemblerModel* model;
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u32 base_addr;
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BreakPoints* breakpoints;
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EmuThread& emu_thread;
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};
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