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// Copyright 2016 Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include <array>
#include <fmt/format.h>
#include "yuzu/debugger/wait_tree.h"
#include "yuzu/uisettings.h"
#include "yuzu/util/util.h"
#include "common/assert.h"
#include "core/arm/arm_interface.h"
#include "core/core.h"
#include "core/hle/kernel/handle_table.h"
#include "core/hle/kernel/k_scheduler.h"
#include "core/hle/kernel/k_synchronization_object.h"
#include "core/hle/kernel/mutex.h"
#include "core/hle/kernel/process.h"
#include "core/hle/kernel/readable_event.h"
#include "core/hle/kernel/thread.h"
#include "core/memory.h"
namespace {
constexpr std::array<std::array<Qt::GlobalColor, 2>, 10> WaitTreeColors{{
{Qt::GlobalColor::darkGreen, Qt::GlobalColor::green},
{Qt::GlobalColor::darkBlue, Qt::GlobalColor::cyan},
{Qt::GlobalColor::lightGray, Qt::GlobalColor::lightGray},
{Qt::GlobalColor::lightGray, Qt::GlobalColor::lightGray},
{Qt::GlobalColor::darkRed, Qt::GlobalColor::red},
{Qt::GlobalColor::darkYellow, Qt::GlobalColor::yellow},
{Qt::GlobalColor::red, Qt::GlobalColor::red},
{Qt::GlobalColor::darkCyan, Qt::GlobalColor::cyan},
{Qt::GlobalColor::gray, Qt::GlobalColor::gray},
}};
bool IsDarkTheme() {
const auto& theme = UISettings::values.theme;
return theme == QStringLiteral("qdarkstyle") ||
theme == QStringLiteral("qdarkstyle_midnight_blue") ||
theme == QStringLiteral("colorful_dark") ||
theme == QStringLiteral("colorful_midnight_blue");
}
} // namespace
WaitTreeItem::WaitTreeItem() = default;
WaitTreeItem::~WaitTreeItem() = default;
QColor WaitTreeItem::GetColor() const {
if (IsDarkTheme()) {
return QColor(Qt::GlobalColor::white);
} else {
return QColor(Qt::GlobalColor::black);
}
}
std::vector<std::unique_ptr<WaitTreeItem>> WaitTreeItem::GetChildren() const {
return {};
}
void WaitTreeItem::Expand() {
if (IsExpandable() && !expanded) {
children = GetChildren();
for (std::size_t i = 0; i < children.size(); ++i) {
children[i]->parent = this;
children[i]->row = i;
}
expanded = true;
}
}
WaitTreeItem* WaitTreeItem::Parent() const {
return parent;
}
const std::vector<std::unique_ptr<WaitTreeItem>>& WaitTreeItem::Children() const {
return children;
}
bool WaitTreeItem::IsExpandable() const {
return false;
}
std::size_t WaitTreeItem::Row() const {
return row;
}
std::vector<std::unique_ptr<WaitTreeThread>> WaitTreeItem::MakeThreadItemList() {
std::vector<std::unique_ptr<WaitTreeThread>> item_list;
std::size_t row = 0;
auto add_threads = [&](const std::vector<std::shared_ptr<Kernel::Thread>>& threads) {
for (std::size_t i = 0; i < threads.size(); ++i) {
if (!threads[i]->IsHLEThread()) {
item_list.push_back(std::make_unique<WaitTreeThread>(*threads[i]));
item_list.back()->row = row;
}
++row;
}
};
const auto& system = Core::System::GetInstance();
add_threads(system.GlobalSchedulerContext().GetThreadList());
return item_list;
}
WaitTreeText::WaitTreeText(QString t) : text(std::move(t)) {}
WaitTreeText::~WaitTreeText() = default;
QString WaitTreeText::GetText() const {
return text;
}
WaitTreeMutexInfo::WaitTreeMutexInfo(VAddr mutex_address, const Kernel::HandleTable& handle_table)
: mutex_address(mutex_address) {
mutex_value = Core::System::GetInstance().Memory().Read32(mutex_address);
owner_handle = static_cast<Kernel::Handle>(mutex_value & Kernel::Mutex::MutexOwnerMask);
owner = handle_table.Get<Kernel::Thread>(owner_handle);
}
WaitTreeMutexInfo::~WaitTreeMutexInfo() = default;
QString WaitTreeMutexInfo::GetText() const {
return tr("waiting for mutex 0x%1").arg(mutex_address, 16, 16, QLatin1Char{'0'});
}
std::vector<std::unique_ptr<WaitTreeItem>> WaitTreeMutexInfo::GetChildren() const {
const bool has_waiters = (mutex_value & Kernel::Mutex::MutexHasWaitersFlag) != 0;
std::vector<std::unique_ptr<WaitTreeItem>> list;
list.push_back(std::make_unique<WaitTreeText>(tr("has waiters: %1").arg(has_waiters)));
list.push_back(std::make_unique<WaitTreeText>(
tr("owner handle: 0x%1").arg(owner_handle, 8, 16, QLatin1Char{'0'})));
if (owner != nullptr) {
list.push_back(std::make_unique<WaitTreeThread>(*owner));
}
return list;
}
WaitTreeCallstack::WaitTreeCallstack(const Kernel::Thread& thread) : thread(thread) {}
WaitTreeCallstack::~WaitTreeCallstack() = default;
QString WaitTreeCallstack::GetText() const {
return tr("Call stack");
}
std::vector<std::unique_ptr<WaitTreeItem>> WaitTreeCallstack::GetChildren() const {
std::vector<std::unique_ptr<WaitTreeItem>> list;
if (thread.IsHLEThread()) {
return list;
}
if (thread.GetOwnerProcess() == nullptr || !thread.GetOwnerProcess()->Is64BitProcess()) {
return list;
}
auto backtrace = Core::ARM_Interface::GetBacktraceFromContext(Core::System::GetInstance(),
thread.GetContext64());
for (auto& entry : backtrace) {
std::string s = fmt::format("{:20}{:016X} {:016X} {:016X} {}", entry.module, entry.address,
entry.original_address, entry.offset, entry.name);
list.push_back(std::make_unique<WaitTreeText>(QString::fromStdString(s)));
}
return list;
}
WaitTreeSynchronizationObject::WaitTreeSynchronizationObject(
const Kernel::KSynchronizationObject& o)
: object(o) {}
WaitTreeSynchronizationObject::~WaitTreeSynchronizationObject() = default;
WaitTreeExpandableItem::WaitTreeExpandableItem() = default;
WaitTreeExpandableItem::~WaitTreeExpandableItem() = default;
bool WaitTreeExpandableItem::IsExpandable() const {
return true;
}
QString WaitTreeSynchronizationObject::GetText() const {
return tr("[%1]%2 %3")
.arg(object.GetObjectId())
.arg(QString::fromStdString(object.GetTypeName()),
QString::fromStdString(object.GetName()));
}
std::unique_ptr<WaitTreeSynchronizationObject> WaitTreeSynchronizationObject::make(
const Kernel::KSynchronizationObject& object) {
switch (object.GetHandleType()) {
case Kernel::HandleType::ReadableEvent:
return std::make_unique<WaitTreeEvent>(static_cast<const Kernel::ReadableEvent&>(object));
case Kernel::HandleType::Thread:
return std::make_unique<WaitTreeThread>(static_cast<const Kernel::Thread&>(object));
default:
return std::make_unique<WaitTreeSynchronizationObject>(object);
}
}
std::vector<std::unique_ptr<WaitTreeItem>> WaitTreeSynchronizationObject::GetChildren() const {
std::vector<std::unique_ptr<WaitTreeItem>> list;
const auto& threads = object.GetWaitingThreadsForDebugging();
if (threads.empty()) {
list.push_back(std::make_unique<WaitTreeText>(tr("waited by no thread")));
} else {
list.push_back(std::make_unique<WaitTreeThreadList>(threads));
}
return list;
}
WaitTreeObjectList::WaitTreeObjectList(const std::vector<Kernel::KSynchronizationObject*>& list,
bool w_all)
: object_list(list), wait_all(w_all) {}
WaitTreeObjectList::~WaitTreeObjectList() = default;
QString WaitTreeObjectList::GetText() const {
if (wait_all)
return tr("waiting for all objects");
return tr("waiting for one of the following objects");
}
std::vector<std::unique_ptr<WaitTreeItem>> WaitTreeObjectList::GetChildren() const {
std::vector<std::unique_ptr<WaitTreeItem>> list(object_list.size());
std::transform(object_list.begin(), object_list.end(), list.begin(),
[](const auto& t) { return WaitTreeSynchronizationObject::make(*t); });
return list;
}
WaitTreeThread::WaitTreeThread(const Kernel::Thread& thread)
: WaitTreeSynchronizationObject(thread) {}
WaitTreeThread::~WaitTreeThread() = default;
QString WaitTreeThread::GetText() const {
const auto& thread = static_cast<const Kernel::Thread&>(object);
QString status;
switch (thread.GetState()) {
case Kernel::ThreadState::Runnable:
if (!thread.IsPaused()) {
if (thread.WasRunning()) {
status = tr("running");
} else {
status = tr("ready");
}
} else {
status = tr("paused");
}
break;
case Kernel::ThreadState::Waiting:
status = tr("waiting");
break;
case Kernel::ThreadState::Initialized:
status = tr("initialized");
break;
case Kernel::ThreadState::Terminated:
status = tr("terminated");
break;
}
const auto& context = thread.GetContext64();
const QString pc_info = tr(" PC = 0x%1 LR = 0x%2")
.arg(context.pc, 8, 16, QLatin1Char{'0'})
.arg(context.cpu_registers[30], 8, 16, QLatin1Char{'0'});
return QStringLiteral("%1%2 (%3) ")
.arg(WaitTreeSynchronizationObject::GetText(), pc_info, status);
}
QColor WaitTreeThread::GetColor() const {
const std::size_t color_index = IsDarkTheme() ? 1 : 0;
const auto& thread = static_cast<const Kernel::Thread&>(object);
switch (thread.GetState()) {
case Kernel::ThreadState::Runnable:
if (!thread.IsPaused()) {
if (thread.WasRunning()) {
return QColor(WaitTreeColors[0][color_index]);
} else {
return QColor(WaitTreeColors[1][color_index]);
}
} else {
return QColor(WaitTreeColors[2][color_index]);
}
case Kernel::ThreadState::Waiting:
return QColor(WaitTreeColors[3][color_index]);
case Kernel::ThreadState::Initialized:
return QColor(WaitTreeColors[7][color_index]);
case Kernel::ThreadState::Terminated:
return QColor(WaitTreeColors[8][color_index]);
default:
return WaitTreeItem::GetColor();
}
}
std::vector<std::unique_ptr<WaitTreeItem>> WaitTreeThread::GetChildren() const {
std::vector<std::unique_ptr<WaitTreeItem>> list(WaitTreeSynchronizationObject::GetChildren());
const auto& thread = static_cast<const Kernel::Thread&>(object);
QString processor;
switch (thread.GetProcessorID()) {
case Kernel::ThreadProcessorId::THREADPROCESSORID_IDEAL:
processor = tr("ideal");
break;
case Kernel::ThreadProcessorId::THREADPROCESSORID_0:
case Kernel::ThreadProcessorId::THREADPROCESSORID_1:
case Kernel::ThreadProcessorId::THREADPROCESSORID_2:
case Kernel::ThreadProcessorId::THREADPROCESSORID_3:
processor = tr("core %1").arg(thread.GetProcessorID());
break;
default:
processor = tr("Unknown processor %1").arg(thread.GetProcessorID());
break;
}
list.push_back(std::make_unique<WaitTreeText>(tr("processor = %1").arg(processor)));
list.push_back(
std::make_unique<WaitTreeText>(tr("ideal core = %1").arg(thread.GetIdealCore())));
list.push_back(std::make_unique<WaitTreeText>(
tr("affinity mask = %1").arg(thread.GetAffinityMask().GetAffinityMask())));
list.push_back(std::make_unique<WaitTreeText>(tr("thread id = %1").arg(thread.GetThreadID())));
list.push_back(std::make_unique<WaitTreeText>(tr("priority = %1(current) / %2(normal)")
.arg(thread.GetPriority())
.arg(thread.GetNominalPriority())));
list.push_back(std::make_unique<WaitTreeText>(
tr("last running ticks = %1").arg(thread.GetLastScheduledTick())));
const VAddr mutex_wait_address = thread.GetMutexWaitAddress();
if (mutex_wait_address != 0) {
const auto& handle_table = thread.GetOwnerProcess()->GetHandleTable();
list.push_back(std::make_unique<WaitTreeMutexInfo>(mutex_wait_address, handle_table));
} else {
list.push_back(std::make_unique<WaitTreeText>(tr("not waiting for mutex")));
}
if (thread.GetState() == Kernel::ThreadState::Waiting) {
list.push_back(std::make_unique<WaitTreeObjectList>(thread.GetWaitObjectsForDebugging(),
thread.IsCancellable()));
}
list.push_back(std::make_unique<WaitTreeCallstack>(thread));
return list;
}
WaitTreeEvent::WaitTreeEvent(const Kernel::ReadableEvent& object)
: WaitTreeSynchronizationObject(object) {}
WaitTreeEvent::~WaitTreeEvent() = default;
WaitTreeThreadList::WaitTreeThreadList(const std::vector<Kernel::Thread*>& list)
: thread_list(list) {}
WaitTreeThreadList::~WaitTreeThreadList() = default;
QString WaitTreeThreadList::GetText() const {
return tr("waited by thread");
}
std::vector<std::unique_ptr<WaitTreeItem>> WaitTreeThreadList::GetChildren() const {
std::vector<std::unique_ptr<WaitTreeItem>> list(thread_list.size());
std::transform(thread_list.begin(), thread_list.end(), list.begin(),
[](const auto& t) { return std::make_unique<WaitTreeThread>(*t); });
return list;
}
WaitTreeModel::WaitTreeModel(QObject* parent) : QAbstractItemModel(parent) {}
WaitTreeModel::~WaitTreeModel() = default;
QModelIndex WaitTreeModel::index(int row, int column, const QModelIndex& parent) const {
if (!hasIndex(row, column, parent))
return {};
if (parent.isValid()) {
WaitTreeItem* parent_item = static_cast<WaitTreeItem*>(parent.internalPointer());
parent_item->Expand();
return createIndex(row, column, parent_item->Children()[row].get());
}
return createIndex(row, column, thread_items[row].get());
}
QModelIndex WaitTreeModel::parent(const QModelIndex& index) const {
if (!index.isValid())
return {};
WaitTreeItem* parent_item = static_cast<WaitTreeItem*>(index.internalPointer())->Parent();
if (!parent_item) {
return QModelIndex();
}
return createIndex(static_cast<int>(parent_item->Row()), 0, parent_item);
}
int WaitTreeModel::rowCount(const QModelIndex& parent) const {
if (!parent.isValid())
return static_cast<int>(thread_items.size());
WaitTreeItem* parent_item = static_cast<WaitTreeItem*>(parent.internalPointer());
parent_item->Expand();
return static_cast<int>(parent_item->Children().size());
}
int WaitTreeModel::columnCount(const QModelIndex&) const {
return 1;
}
QVariant WaitTreeModel::data(const QModelIndex& index, int role) const {
if (!index.isValid())
return {};
switch (role) {
case Qt::DisplayRole:
return static_cast<WaitTreeItem*>(index.internalPointer())->GetText();
case Qt::ForegroundRole:
return static_cast<WaitTreeItem*>(index.internalPointer())->GetColor();
default:
return {};
}
}
void WaitTreeModel::ClearItems() {
thread_items.clear();
}
void WaitTreeModel::InitItems() {
thread_items = WaitTreeItem::MakeThreadItemList();
}
WaitTreeWidget::WaitTreeWidget(QWidget* parent) : QDockWidget(tr("&Wait Tree"), parent) {
setObjectName(QStringLiteral("WaitTreeWidget"));
view = new QTreeView(this);
view->setHeaderHidden(true);
setWidget(view);
setEnabled(false);
}
WaitTreeWidget::~WaitTreeWidget() = default;
void WaitTreeWidget::OnDebugModeEntered() {
if (!Core::System::GetInstance().IsPoweredOn())
return;
model->InitItems();
view->setModel(model);
setEnabled(true);
}
void WaitTreeWidget::OnDebugModeLeft() {
setEnabled(false);
view->setModel(nullptr);
model->ClearItems();
}
void WaitTreeWidget::OnEmulationStarting(EmuThread* emu_thread) {
model = new WaitTreeModel(this);
view->setModel(model);
setEnabled(false);
}
void WaitTreeWidget::OnEmulationStopping() {
view->setModel(nullptr);
delete model;
setEnabled(false);
}
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