rpcs3/rpcs3/rpcs3qt/debugger_list.cpp
2023-05-30 13:11:03 +02:00

434 lines
10 KiB
C++

#include "debugger_list.h"
#include "gui_settings.h"
#include "qt_utils.h"
#include "breakpoint_handler.h"
#include "Emu/Cell/SPUThread.h"
#include "Emu/Cell/PPUThread.h"
#include "Emu/CPU/CPUDisAsm.h"
#include "Emu/CPU/CPUThread.h"
#include "Emu/RSX/RSXDisAsm.h"
#include "Emu/RSX/RSXThread.h"
#include "Emu/System.h"
#include <QMouseEvent>
#include <QWheelEvent>
#include <QVBoxLayout>
#include <QLabel>
#include <memory>
constexpr auto qstr = QString::fromStdString;
debugger_list::debugger_list(QWidget* parent, std::shared_ptr<gui_settings> gui_settings, breakpoint_handler* handler)
: QListWidget(parent)
, m_gui_settings(std::move(gui_settings))
, m_ppu_breakpoint_handler(handler)
{
setWindowTitle(tr("ASM"));
for (uint i = 0; i < m_item_count; ++i)
{
insertItem(i, new QListWidgetItem(""));
}
setSizeAdjustPolicy(QListWidget::AdjustToContents);
setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
connect(this, &QListWidget::currentRowChanged, this, [this](int row)
{
if (row < 0)
{
m_selected_instruction = -1;
m_showing_selected_instruction = false;
return;
}
u32 pc = m_start_addr;
for (; m_cpu && m_cpu->id_type() == 0x55 && row; row--)
{
// If scrolling forwards (downwards), we can skip entire commands
pc += std::max<u32>(m_disasm->disasm(pc), 4);
}
m_selected_instruction = pc + row * 4;
});
}
void debugger_list::UpdateCPUData(cpu_thread* cpu, CPUDisAsm* disasm)
{
if (m_cpu != cpu)
{
m_cpu = cpu;
m_selected_instruction = -1;
m_showing_selected_instruction = false;
}
m_disasm = disasm;
}
u32 debugger_list::GetStartAddress(u32 address)
{
const u32 steps = m_item_count / 3;
u32 result = address;
if (m_cpu && m_cpu->id_type() == 0x55)
{
if (auto [count, res] = static_cast<rsx::thread*>(m_cpu)->try_get_pc_of_x_cmds_backwards(steps, address); count == steps)
{
result = res;
}
}
else
{
result = address - (steps * 4);
}
if (address > m_pc || m_start_addr > address)
{
m_pc = address;
m_start_addr = result;
}
return m_start_addr;
}
void debugger_list::ShowAddress(u32 addr, bool select_addr, bool direct)
{
const decltype(spu_thread::local_breakpoints)* spu_bps_list{};
if (m_cpu && m_cpu->id_type() == 2)
{
spu_bps_list = &static_cast<spu_thread*>(m_cpu)->local_breakpoints;
}
auto IsBreakpoint = [&](u32 pc)
{
switch (m_cpu ? m_cpu->id_type() : 0)
{
case 1: return m_ppu_breakpoint_handler->HasBreakpoint(pc);
case 2: return (*spu_bps_list)[pc / 4].load();
default: return false;
}
};
if (select_addr || direct)
{
// The user wants to survey a specific memory location, do not interfere from this point forth
m_follow_thread = false;
}
m_dirty_flag = false;
u32 pc = m_start_addr;
if (!direct && (m_follow_thread || select_addr))
{
pc = GetStartAddress(addr);
}
const auto& default_foreground = palette().color(foregroundRole());
const auto& default_background = palette().color(backgroundRole());
m_showing_selected_instruction = false;
if (select_addr)
{
m_selected_instruction = addr;
}
for (uint i = 0; i < m_item_count; ++i)
{
if (auto list_item = item(i); list_item->isSelected())
{
list_item->setSelected(false);
}
}
if (!m_cpu || !m_disasm || +m_cpu->state + cpu_flag::exit + cpu_flag::wait == +m_cpu->state)
{
for (uint i = 0; i < m_item_count; ++i)
{
QListWidgetItem* list_item = item(i);
list_item->setText(qstr(fmt::format(" [%08x] ?? ?? ?? ??:", 0)));
list_item->setForeground(default_foreground);
list_item->setBackground(default_background);
}
}
else
{
const bool is_spu = m_cpu->id_type() == 2;
const u32 address_limits = (is_spu ? 0x3fffc : ~3);
const u32 current_pc = m_cpu->get_pc();
m_start_addr &= address_limits;
pc = m_start_addr;
for (uint i = 0, count = 4; i < m_item_count; ++i, pc = (pc + count) & address_limits)
{
QListWidgetItem* list_item = item(i);
if (pc == current_pc)
{
list_item->setForeground(m_text_color_pc);
list_item->setBackground(m_color_pc);
}
else if (pc == m_selected_instruction)
{
// setSelected may invoke a resize event which causes stack overflow, terminate recursion
if (!list_item->isSelected())
{
list_item->setSelected(true);
}
m_showing_selected_instruction = true;
}
else if (IsBreakpoint(pc))
{
list_item->setForeground(m_text_color_bp);
list_item->setBackground(m_color_bp);
}
else
{
list_item->setForeground(default_foreground);
list_item->setBackground(default_background);
}
if (m_cpu->id_type() == 1 && !vm::check_addr(pc, 0))
{
list_item->setText((IsBreakpoint(pc) ? ">> " : " ") + qstr(fmt::format("[%08x] ?? ?? ?? ??:", pc)));
count = 4;
continue;
}
if (m_cpu->id_type() == 1 && !vm::check_addr(pc, vm::page_executable))
{
const u32 data = *vm::get_super_ptr<atomic_be_t<u32>>(pc);
list_item->setText((IsBreakpoint(pc) ? ">> " : " ") + qstr(fmt::format("[%08x] %02x %02x %02x %02x:", pc,
static_cast<u8>(data >> 24),
static_cast<u8>(data >> 16),
static_cast<u8>(data >> 8),
static_cast<u8>(data >> 0))));
count = 4;
continue;
}
count = m_disasm->disasm(pc);
if (!count)
{
list_item->setText((IsBreakpoint(pc) ? ">> " : " ") + qstr(fmt::format("[%08x] ??? ?? ??", pc)));
count = 4;
continue;
}
list_item->setText((IsBreakpoint(pc) ? ">> " : " ") + qstr(m_disasm->last_opcode));
}
}
setLineWidth(-1);
}
void debugger_list::RefreshView()
{
const bool old = std::exchange(m_follow_thread, false);
ShowAddress(0, false);
m_follow_thread = old;
}
void debugger_list::EnableThreadFollowing(bool enable)
{
m_follow_thread = enable;
}
void debugger_list::scroll(s32 steps)
{
for (; m_cpu && m_cpu->id_type() == 0x55 && steps > 0; steps--)
{
// If scrolling forwards (downwards), we can skip entire commands
m_start_addr += std::max<u32>(m_disasm->disasm(m_start_addr), 4);
}
if (m_cpu && m_cpu->id_type() == 0x55 && steps < 0)
{
// If scrolling backwards (upwards), try to obtain the start of commands tail
if (auto [count, res] = static_cast<rsx::thread*>(m_cpu)->try_get_pc_of_x_cmds_backwards(-steps, m_start_addr); count == 0u - steps)
{
steps = 0;
m_start_addr = res;
}
}
EnableThreadFollowing(false);
m_start_addr += steps * 4;
ShowAddress(0, false, true);
}
void debugger_list::keyPressEvent(QKeyEvent* event)
{
// Always accept event (so it would not bubble upwards, debugger_frame already sees it)
struct accept_event_t
{
QKeyEvent* event;
~accept_event_t() noexcept
{
event->accept();
}
} accept_event{event};
if (!isActiveWindow())
{
QListWidget::keyPressEvent(event);
return;
}
if (event->modifiers())
{
QListWidget::keyPressEvent(event);
return;
}
switch (event->key())
{
case Qt::Key_PageUp: scroll(0 - m_item_count); return;
case Qt::Key_PageDown: scroll(m_item_count); return;
case Qt::Key_Up: scroll(1); return;
case Qt::Key_Down: scroll(-1); return;
case Qt::Key_I:
{
if (event->isAutoRepeat())
{
QListWidget::keyPressEvent(event);
return;
}
if (m_cpu && m_cpu->id_type() == 0x55)
{
create_rsx_command_detail(m_showing_selected_instruction ? m_selected_instruction : m_pc);
return;
}
break;
}
default: break;
}
QListWidget::keyPressEvent(event);
}
void debugger_list::showEvent(QShowEvent* event)
{
if (m_cmd_detail) m_cmd_detail->show();
QListWidget::showEvent(event);
}
void debugger_list::hideEvent(QHideEvent* event)
{
if (m_cmd_detail) m_cmd_detail->hide();
QListWidget::hideEvent(event);
}
void debugger_list::create_rsx_command_detail(u32 pc)
{
RSXDisAsm rsx_dis = *static_cast<RSXDisAsm*>(m_disasm);
rsx_dis.change_mode(cpu_disasm_mode::list);
// Either invalid or not a method
if (rsx_dis.disasm(pc) <= 4) return;
if (m_cmd_detail)
{
// Edit the existing dialog
m_detail_label->setText(QString::fromStdString(rsx_dis.last_opcode));
m_cmd_detail->setFixedSize(m_cmd_detail->sizeHint());
return;
}
m_cmd_detail = new QDialog(this);
m_cmd_detail->setWindowTitle(tr("RSX Command Detail"));
m_detail_label = new QLabel(QString::fromStdString(rsx_dis.last_opcode), this);
m_detail_label->setFont(font());
gui::utils::set_font_size(*m_detail_label, 10);
m_detail_label->setTextInteractionFlags(Qt::TextSelectableByMouse | Qt::TextSelectableByKeyboard);
QVBoxLayout* layout = new QVBoxLayout(this);
layout->addWidget(m_detail_label);
m_cmd_detail->setLayout(layout);
m_cmd_detail->setFixedSize(m_cmd_detail->sizeHint());
m_cmd_detail->show();
connect(m_cmd_detail, &QDialog::finished, [this](int)
{
// Cleanup
std::exchange(m_cmd_detail, nullptr)->deleteLater();
});
}
void debugger_list::mouseDoubleClickEvent(QMouseEvent* event)
{
if (event->button() == Qt::LeftButton)
{
int i = currentRow();
if (i < 0) return;
u32 pc = m_start_addr;
for (; m_cpu && m_cpu->id_type() == 0x55 && i; i--)
{
// If scrolling forwards (downwards), we can skip entire commands
pc += std::max<u32>(m_disasm->disasm(pc), 4);
}
pc += i * 4;
m_selected_instruction = pc;
// Let debugger_frame know about breakpoint.
// Other option is to add to breakpoint manager directly and have a signal there instead.
// Either the flow goes from debugger_list->breakpoint_manager->debugger_frame, or it goes debugger_list->debugger_frame, and I felt this was easier to read for now.
Q_EMIT BreakpointRequested(pc);
}
}
void debugger_list::wheelEvent(QWheelEvent* event)
{
const QPoint numSteps = event->angleDelta() / 8 / 15; // http://doc.qt.io/qt-5/qwheelevent.html#pixelDelta
const int value = numSteps.y();
const auto direction = (event->modifiers() == Qt::ControlModifier);
scroll(direction ? value : -value);
}
void debugger_list::resizeEvent(QResizeEvent* event)
{
QListWidget::resizeEvent(event);
if (count() < 1 || visualItemRect(item(0)).height() < 1)
{
return;
}
const u32 old_size = m_item_count;
// It is fine if the QWidgetList is a tad bit larger than the frame
m_item_count = utils::aligned_div<u32>(rect().height() - frameWidth() * 2, visualItemRect(item(0)).height());
if (old_size <= m_item_count)
{
for (u32 i = old_size; i < m_item_count; ++i)
{
insertItem(i, new QListWidgetItem(""));
m_dirty_flag = true;
}
}
else
{
for (u32 i = old_size - 1; i >= m_item_count; --i)
{
delete takeItem(i);
}
}
}