1 files changed, 20 insertions, 3 deletions
diff --git a/src/script/api/qscriptengine.cpp b/src/script/api/qscriptengine.cpp
index c14e38a..46c6abb 100644
--- a/src/script/api/qscriptengine.cpp
+++ b/src/script/api/qscriptengine.cpp
@@ -468,7 +468,7 @@ bool isFunction(JSC::JSValue value)
 static JSC::JSValue JSC_HOST_CALL functionConnect(JSC::ExecState*, JSC::JSObject*, JSC::JSValue, const JSC::ArgList&);
 static JSC::JSValue JSC_HOST_CALL functionDisconnect(JSC::ExecState*, JSC::JSObject*, JSC::JSValue, const JSC::ArgList&);
 
-JSC::JSValue JSC_HOST_CALL functionDisconnect(JSC::ExecState *exec, JSC::JSObject */*callee*/, JSC::JSValue thisObject, const JSC::ArgList &args)
+JSC::JSValue JSC_HOST_CALL functionDisconnect(JSC::ExecState *exec, JSC::JSObject * /*callee*/, JSC::JSValue thisObject, const JSC::ArgList &args)
 {
 #ifndef QT_NO_QOBJECT
     if (args.size() == 0) {
@@ -533,7 +533,7 @@ JSC::JSValue JSC_HOST_CALL functionDisconnect(JSC::ExecState *exec, JSC::JSObjec
 #endif // QT_NO_QOBJECT
 }
 
-JSC::JSValue JSC_HOST_CALL functionConnect(JSC::ExecState *exec, JSC::JSObject */*callee*/, JSC::JSValue thisObject, const JSC::ArgList &args)
+JSC::JSValue JSC_HOST_CALL functionConnect(JSC::ExecState *exec, JSC::JSObject * /*callee*/, JSC::JSValue thisObject, const JSC::ArgList &args)
 {
 #ifndef QT_NO_QOBJECT
     if (args.size() == 0) {
@@ -2259,8 +2259,11 @@ JSC::CallFrame *QScriptEnginePrivate::pushContext(JSC::CallFrame *exec, JSC::JSV
     if (calledAsConstructor)
         flags |= CalledAsConstructorContext;
 
+    //build a frame
     JSC::CallFrame *newCallFrame = exec;
-    if (callee == 0 || !(exec->callee() == callee && exec->returnPC() != 0)) {
+    if (callee == 0 //called from  public QScriptEngine::pushContext
+        || exec->returnPC() == 0 || (contextFlags(exec) & NativeContext)  //called from native-native call
+        || (exec->codeBlock() && exec->callee() != callee)) { //the interpreter did not build a frame for us.
         //We need to check if the Interpreter might have already created a frame for function called from JS.
         JSC::Interpreter *interp = exec->interpreter();
         JSC::Register *oldEnd = interp->registerFile().end();
@@ -2278,6 +2281,9 @@ JSC::CallFrame *QScriptEnginePrivate::pushContext(JSC::CallFrame *exec, JSC::JSV
         newCallFrame->init(0, /*vPC=*/0, exec->scopeChain(), exec, flags, argc, callee);
     } else {
         setContextFlags(newCallFrame, flags);
+#if ENABLE(JIT)
+        exec->registers()[JSC::RegisterFile::Callee] = JSC::JSValue(callee); //JIT let the callee set the 'callee'
+#endif
         if (calledAsConstructor) {
             //update the new created this
             JSC::Register* thisRegister = newCallFrame->registers() - JSC::RegisterFile::CallFrameHeaderSize - newCallFrame->argumentCount();
@@ -3783,4 +3789,15 @@ QScriptSyntaxCheckResult &QScriptSyntaxCheckResult::operator=(const QScriptSynta
     return *this;
 }
 
+#ifdef QT_BUILD_INTERNAL
+Q_AUTOTEST_EXPORT bool qt_script_isJITEnabled()
+{
+#if ENABLE(JIT)
+    return true;
+#else
+    return false;
+#endif
+}
+#endif
+
 QT_END_NAMESPACE