diff --git a/src/plugins/debugger/debuggercore.h b/src/plugins/debugger/debuggercore.h
new file mode 100644
index 0000000000000000000000000000000000000000..c48441d46a52df8214b885ee3741a55a01b02747
--- /dev/null
+++ b/src/plugins/debugger/debuggercore.h
@@ -0,0 +1,121 @@
+/**************************************************************************
+**
+** This file is part of Qt Creator
+**
+** Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).
+**
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** Commercial Usage
+**
+** Licensees holding valid Qt Commercial licenses may use this file in
+** accordance with the Qt Commercial License Agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and Nokia.
+**
+** GNU Lesser General Public License Usage
+**
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at http://qt.nokia.com/contact.
+**
+**************************************************************************/
+
+#ifndef DEBUGGERCORE_H
+#define DEBUGGERCORE_H
+
+#include "debugger_global.h"
+#include "debuggerconstants.h"
+
+#include <QtCore/QObject>
+
+QT_BEGIN_NAMESPACE
+class QIcon;
+class QMessageBox;
+class QWidget;
+QT_END_NAMESPACE
+
+namespace CPlusPlus {
+class Snapshot;
+}
+
+namespace Debugger {
+
+class DebuggerEngine;
+class DebuggerRunControl;
+class DebuggerStartParameters;
+
+namespace Internal {
+
+class BreakHandler;
+class SnapshotHandler;
+
+// This is the "internal" interface of the debugger plugin that's
+// used by debugger views and debugger engines. The interface is
+// implemented in DebuggerPluginPrivate.
+
+class DebuggerCore : public QObject
+{
+    Q_OBJECT
+
+public:
+    DebuggerCore() {}
+    virtual ~DebuggerCore() {}
+
+    static DebuggerCore *instance();
+
+    virtual QVariant sessionValue(const QString &name) = 0;
+    virtual void setSessionValue(const QString &name, const QVariant &value) = 0;
+    virtual QVariant configValue(const QString &name) const = 0;
+    virtual void setConfigValue(const QString &name, const QVariant &value) = 0;
+    virtual void updateState(DebuggerEngine *engine) = 0;
+    virtual void showQtDumperLibraryWarning(const QString &details) = 0;
+    virtual QIcon locationMarkIcon() const = 0;
+    virtual const CPlusPlus::Snapshot &cppCodeModelSnapshot() const = 0;
+    virtual bool isRegisterViewVisible() const = 0;
+    virtual bool hasSnapshots() const = 0;
+    virtual void openTextEditor(const QString &titlePattern, const QString &contents) = 0;
+    virtual Internal::BreakHandler *breakHandler() const = 0;
+    virtual Internal::SnapshotHandler *snapshotHandler() const = 0;
+    virtual DebuggerEngine *currentEngine() const = 0;
+    virtual bool isActiveDebugLanguage(int language) const = 0;
+
+public slots: // FIXME: Slot needed?
+    virtual void clearCppCodeModelSnapshot() = 0;
+    virtual void ensureLogVisible() = 0;
+
+    // void runTest(const QString &fileName);
+    virtual void showMessage(const QString &msg, int channel, int timeout = -1) = 0;
+    virtual void gotoLocation(const QString &fileName, int lineNumber = -1,
+        bool setMarker = false) = 0;
+
+    virtual void resetLocation() = 0;
+    virtual void readSettings() = 0;
+    virtual void writeSettings() const = 0;
+
+    virtual bool isReverseDebugging() const = 0;
+    virtual void createNewDock(QWidget *widget) = 0;
+    virtual void runControlStarted(DebuggerRunControl *runControl) = 0;
+    virtual void runControlFinished(DebuggerRunControl *runControl) = 0;
+    virtual void displayDebugger(DebuggerEngine *engine, bool updateEngine) = 0;
+    virtual DebuggerLanguages activeLanguages() const = 0;
+
+    virtual QMessageBox *showMessageBox(int icon, const QString &title,
+        const QString &text, int buttons = 0) = 0;
+
+    virtual bool initialize(const QStringList &arguments, QString *errorMessage) = 0;
+    virtual QWidget *mainWindow() const = 0;
+};
+
+DebuggerCore *debuggerCore();
+
+} // namespace Internal
+} // namespace Debugger
+
+#endif // DEBUGGERPLUGIN_H