Adds step out funcionality (#598)

* Added step out functionality to toolbar and its shortcut
* Remove step out button when emulating

src/Cutter.cpp

@@ -1028,6 +1028,16 @@ void CutterCore::stepOverDebug()
     }
 }
 
+void CutterCore::stepOutDebug()
+{
+    if (currentlyDebugging) {
+        cmd("dsf");
+        QString programCounterValue = cmd("dr?`drn PC`").trimmed();
+        seek(programCounterValue);
+        emit registersChanged();
+    }
+}
+
 QStringList CutterCore::getDebugPlugins()
 {
     QStringList plugins;

src/Cutter.h

@@ -514,6 +514,7 @@ public:
     void continueUntilDebug(QString offset);
     void stepDebug();
     void stepOverDebug();
+    void stepOutDebug();
     void toggleBreakpoint(RVA addr);
     void toggleBreakpoint(QString addr);
     void delBreakpoint(RVA addr);

src/MainWindow.cpp

@@ -138,6 +138,7 @@ void MainWindow::initUI()
     ui->menuDebug->addSeparator();
     ui->menuDebug->addAction(debugToolbar->actionStep);
     ui->menuDebug->addAction(debugToolbar->actionStepOver);
+    ui->menuDebug->addAction(debugToolbar->actionStepOut);
     ui->menuDebug->addSeparator();
     // ui->menuDebug->addAction(debugToolbar->actionContinue);
     // ui->menuDebug->addAction(debugToolbar->actionContinueUntilCall);

src/img/icons/step_out_light.svg

@@ -0,0 +1,7 @@
+<!DOCTYPE svg  PUBLIC '-//W3C//DTD SVG 1.1//EN'  'http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd'>
+<svg style="enable-background:new 0 0 24 32" xmlns="http://www.w3.org/2000/svg" xml:space="preserve" height="32px" width="24px" version="1.1" y="0px" x="0px" xmlns:xlink="http://www.w3.org/1999/xlink" viewBox="0 0 24 32">
+	<g fill="#aaacaf">
+		<rect width="24" height="4.6"/>
+		<polygon points="8 14 8 32 16 32 16 14 20 14 12 4.6 4 14"/>
+	</g>
+</svg>

src/resources.qrc

@@ -29,6 +29,7 @@
         <file>img/icons/continue_until_syscall.svg</file>
         <file>img/icons/step_light.svg</file>
         <file>img/icons/step_over_light.svg</file>
+        <file>img/icons/step_out_light.svg</file>
         <file>img/icons/cloud.svg</file>
         <file>img/icons/down.svg</file>
         <file>img/icons/down_white.svg</file>

src/widgets/DebugToolbar.cpp

@@ -23,6 +23,7 @@ DebugToolbar::DebugToolbar(MainWindow *main, QWidget *parent) :
     QIcon continueUntilSyscallIcon = QIcon(":/img/icons/continue_until_syscall.svg");
     QIcon stepIcon = QIcon(":/img/icons/step_light.svg");
     QIcon stepOverIcon = QIcon(":/img/icons/step_over_light.svg");
+    QIcon stepOutIcon = QIcon(":/img/icons/step_out_light.svg");
 
     actionStart = new QAction(startDebugIcon, tr("Start debug"), parent);
     actionStart->setShortcut(QKeySequence(Qt::Key_F9));
@@ -39,6 +40,8 @@ DebugToolbar::DebugToolbar(MainWindow *main, QWidget *parent) :
     actionStep->setShortcut(QKeySequence(Qt::Key_F7));
     actionStepOver = new QAction(stepOverIcon, tr("Step over"), parent);
     actionStepOver->setShortcut(QKeySequence(Qt::Key_F8));
+    actionStepOut = new QAction(stepOutIcon, tr("Step out"), parent);
+    actionStepOut->setShortcut(QKeySequence(Qt::CTRL + Qt::Key_F8));
 
     QToolButton *startButton = new QToolButton;
     startButton->setPopupMode(QToolButton::MenuButtonPopup);
@@ -68,6 +71,7 @@ DebugToolbar::DebugToolbar(MainWindow *main, QWidget *parent) :
     addWidget(continueUntilButton);
     addAction(actionStep);
     addAction(actionStepOver);
+    addAction(actionStepOut);
 
     connect(actionStop, &QAction::triggered, Core(), &CutterCore::stopDebug);
     connect(actionStop, &QAction::triggered, [ = ]() {
@@ -76,6 +80,7 @@ DebugToolbar::DebugToolbar(MainWindow *main, QWidget *parent) :
         actionStartEmul->setVisible(true);
         actionAttach->setVisible(true);
         actionContinueUntilMain->setVisible(true);
+        actionStepOut->setVisible(true);
         this->colorToolbar(false);
     });
     connect(actionStep, &QAction::triggered, Core(), &CutterCore::stepDebug);
@@ -100,10 +105,12 @@ DebugToolbar::DebugToolbar(MainWindow *main, QWidget *parent) :
         actionStart->setVisible(false);
         actionAttach->setVisible(false);
         actionContinueUntilMain->setVisible(false);
+        actionStepOut->setVisible(false);
         continueUntilButton->setDefaultAction(actionContinueUntilSyscall);
         this->colorToolbar(true);
     });
     connect(actionStepOver, &QAction::triggered, Core(), &CutterCore::stepOverDebug);
+    connect(actionStepOut, &QAction::triggered, Core(), &CutterCore::stepOutDebug);
     connect(actionContinue, &QAction::triggered, Core(), &CutterCore::continueDebug);
     connect(actionContinueUntilMain, &QAction::triggered, this, &DebugToolbar::continueUntilMain);
     connect(actionContinueUntilCall, &QAction::triggered, Core(), &CutterCore::continueUntilCall);

src/widgets/DebugToolbar.h

@@ -20,6 +20,7 @@ public:
     QAction *actionContinueUntilSyscall;
     QAction *actionStep;
     QAction *actionStepOver;
+    QAction *actionStepOut;
 
 private:
     MainWindow *main;