Added an option to stop the debug session and enabled continue and step back

src/core/Cutter.cpp

@@ -2135,7 +2135,7 @@ void CutterCore::setDebugPlugin(QString plugin)
     setConfig("dbg.backend", plugin);
 }
 
-void CutterCore::addTraceSession()
+void CutterCore::startTraceSession()
 {
     if (!currentlyDebugging) {
         return;
@@ -2170,6 +2170,41 @@ void CutterCore::addTraceSession()
     debugTask->startTask();
 }
 
+void CutterCore::stopTraceSession()
+{
+    if (!currentlyDebugging) {
+        return;
+    }
+
+    if (currentlyEmulating) {
+        if (!asyncCmdEsil("aets-", debugTask)) {
+            return;
+        }
+    } else {
+        if (!asyncCmd("dts-", debugTask)) {
+            return;
+        }
+    }
+    emit debugTaskStateChanged();
+
+    connect(debugTask.data(), &R2Task::finished, this, [this] () {
+        if (debugTaskDialog) {
+            delete debugTaskDialog;
+        }
+        debugTask.clear();
+
+        emit debugTaskStateChanged();
+    });
+
+    debugTaskDialog = new R2TaskDialog(debugTask);
+    debugTaskDialog->setBreakOnClose(true);
+    debugTaskDialog->setAttribute(Qt::WA_DeleteOnClose);
+    debugTaskDialog->setDesc(tr("Stopping debug session..."));
+    debugTaskDialog->show();
+
+    debugTask->startTask();
+}
+
 void CutterCore::toggleBreakpoint(RVA addr)
 {
     cmdRaw(QString("dbs %1").arg(addr));

src/core/Cutter.h

@@ -402,7 +402,8 @@ public:
     void stepOverDebug();
     void stepOutDebug();
     void stepBackDebug();
-    void addTraceSession();
+    void startTraceSession();
+    void stopTraceSession();
 
     void addBreakpoint(const BreakpointDescription &config);
     void updateBreakpoint(int index, const BreakpointDescription &config);

src/core/MainWindow.cpp

@@ -301,7 +301,7 @@ void MainWindow::initToolBar()
     ui->menuDebug->addAction(debugActions->actionContinueUntilSyscall);
     ui->menuDebug->addAction(debugActions->actionContinueBack);
     ui->menuDebug->addSeparator();
-    ui->menuDebug->addAction(debugActions->actionAddTraceSession);
+    ui->menuDebug->addAction(debugActions->actionTrace);
 
     // Sepparator between undo/redo and goto lineEdit
     QWidget *spacer4 = new QWidget();

src/widgets/DebugActions.cpp

@@ -26,7 +26,8 @@ DebugActions::DebugActions(QToolBar *toolBar, MainWindow *main) :
     QIcon startRemoteIcon = QIcon(":/img/icons/play_light_remote.svg");
     QIcon continueBackIcon = QIcon(":/img/icons/reverse_continue.svg");
     QIcon stepBackIcon = QIcon(":/img/icons/reverse_step.svg");
-    QIcon addTraceSessionIcon = QIcon(":/img/icons/record_trace.svg");
+    QIcon startTraceIcon = QIcon(":/img/icons/record_trace.svg");
+    QIcon stopTraceIcon = QIcon(":/img/icons/record_trace.svg");
     stopIcon = QIcon(":/img/icons/media-stop_light.svg");
     restartIcon = QIcon(":/img/icons/spin_light.svg");
     detachIcon = QIcon(":/img/icons/detach_debugger.svg");
@@ -49,7 +50,8 @@ DebugActions::DebugActions(QToolBar *toolBar, MainWindow *main) :
     QString stepOverLabel = tr("Step over");
     QString stepOutLabel = tr("Step out");
     QString stepBackLabel = tr("Step backwards");
-    QString addTraceSessionLabel = tr("Add trace session");
+    QString startTraceLabel = tr("Start trace session");
+    QString stopTraceLabel = tr("Stop trace session");
     suspendLabel = tr("Suspend the process");
     continueLabel = tr("Continue");
     restartDebugLabel = tr("Restart program");
@@ -77,14 +79,13 @@ DebugActions::DebugActions(QToolBar *toolBar, MainWindow *main) :
     actionStepOut->setShortcut(QKeySequence(Qt::CTRL + Qt::Key_F8));
     actionStepBack = new QAction(stepBackIcon, stepBackLabel, this);
     actionStepBack->setShortcut(QKeySequence(Qt::CTRL + Qt::Key_F7));
-    actionAddTraceSession = new QAction(addTraceSessionIcon, addTraceSessionLabel, this);
+    actionTrace = new QAction(startTraceIcon, startTraceLabel, this);
 
     QToolButton *startButton = new QToolButton;
     startButton->setPopupMode(QToolButton::MenuButtonPopup);
     connect(startButton, &QToolButton::triggered, startButton, &QToolButton::setDefaultAction);
     QMenu *startMenu = new QMenu(startButton);
 
-    // only emulation is currently allowed
     startMenu->addAction(actionStart);
     startMenu->addAction(actionStartEmul);
     startMenu->addAction(actionAttach);
@@ -113,11 +114,11 @@ DebugActions::DebugActions(QToolBar *toolBar, MainWindow *main) :
     toolBar->addAction(actionStepOut);
     toolBar->addAction(actionStepBack);
     toolBar->addAction(actionContinueBack);
-    toolBar->addAction(actionAddTraceSession);
+    toolBar->addAction(actionTrace);
 
     allActions = {actionStop, actionAllContinues, actionContinue, actionContinueUntilCall,
         actionContinueUntilMain, actionContinueUntilSyscall, actionStep, actionStepOut,
-        actionStepOver, actionContinueBack, actionStepBack, actionAddTraceSession};
+        actionStepOver, actionContinueBack, actionStepBack, actionTrace};
 
     // Hide all actions
     setAllActionsVisible(false);
@@ -126,7 +127,7 @@ DebugActions::DebugActions(QToolBar *toolBar, MainWindow *main) :
     // necessary to avoid staying stuck
     toggleActions = {actionStepOver, actionStep, actionStepOut, actionContinueUntilMain,
         actionContinueUntilCall, actionContinueUntilSyscall, actionStepBack,
-        actionContinueBack, actionAddTraceSession};
+        actionContinueBack, actionTrace};
     toggleConnectionActions = {actionAttach, actionStartRemote};
 
     connect(Core(), &CutterCore::debugProcessFinished, this, [ = ](int pid) {
@@ -171,7 +172,10 @@ DebugActions::DebugActions(QToolBar *toolBar, MainWindow *main) :
         continueUntilButton->setDefaultAction(actionContinueUntilMain);
         setAllActionsVisible(false);
     });
+
     connect(actionStep, &QAction::triggered, Core(), &CutterCore::stepDebug);
+    connect(actionStepBack, &QAction::triggered, Core(), &CutterCore::stepBackDebug);
+
     connect(actionStart, &QAction::triggered, this, &DebugActions::startDebug);
 
     connect(actionAttach, &QAction::triggered, this, &DebugActions::attachProcessDialog);
@@ -195,7 +199,8 @@ DebugActions::DebugActions(QToolBar *toolBar, MainWindow *main) :
     connect(actionContinueUntilMain, &QAction::triggered, this, &DebugActions::continueUntilMain);
     connect(actionContinueUntilCall, &QAction::triggered, Core(), &CutterCore::continueUntilCall);
     connect(actionContinueUntilSyscall, &QAction::triggered, Core(), &CutterCore::continueUntilSyscall);
-    connect(actionContinue, &QAction::triggered, Core(), [ = ]() {
+    connect(actionContinueBack, &QAction::triggered, Core(), &CutterCore::continueBackDebug);
+    connect(actionContinue, &QAction::triggered, Core(), [=]() {
         // Switch between continue and suspend depending on the debugger's state
         if (Core()->isDebugTaskInProgress()) {
             Core()->suspendDebug();
@@ -204,6 +209,19 @@ DebugActions::DebugActions(QToolBar *toolBar, MainWindow *main) :
         }
     });
 
+    connect(actionTrace, &QAction::triggered, Core(), [=]() {
+        // Check if a debug session was created to switch between start and stop
+        if (!Core()->core()->dbg->session) {
+            Core()->startTraceSession();
+            actionTrace->setText(stopTraceLabel);
+            actionTrace->setIcon(stopTraceIcon);
+        } else {
+            Core()->stopTraceSession();
+            actionTrace->setText(startTraceLabel);
+            actionTrace->setIcon(startTraceIcon);
+        }
+    });
+
     connect(Config(), &Configuration::interfaceThemeChanged, this, &DebugActions::chooseThemeIcons);
     chooseThemeIcons();
 }

src/widgets/DebugActions.h

@@ -33,7 +33,7 @@ public:
     QAction *actionStepBack;
     QAction *actionStop;
     QAction *actionAllContinues;
-    QAction *actionAddTraceSession;
+    QAction *actionTrace;
 
     // Continue/suspend and start/restart interchange during runtime
     QIcon continueIcon;