// function can be cold from suspen enabled and disabled mode
void exn_rethrow()
{
// exception is throwing, so suspend can be disabeled without following enabling
if (hythread_is_suspend_enabled()) {
tmn_suspend_disable();
}
assert(!hythread_is_suspend_enabled());
BEGIN_RAISE_AREA;
#ifndef VM_LAZY_EXCEPTION
ManagedObject *exn = get_exception_object_internal();
assert(exn);
clear_exception_internal();
check_pop_frame(exn);
exn_throw_for_JIT(exn, NULL, NULL, NULL, NULL);
#else
vm_thread_t vm_thread = p_TLS_vmthread;
if (NULL != vm_thread->thread_exception.exc_object) {
ManagedObject* exn_mng_object = vm_thread->thread_exception.exc_object;
clear_exception_internal();
check_pop_frame(exn_mng_object);
exn_throw_for_JIT(exn_mng_object, NULL, NULL, NULL, NULL);
} else if (NULL != vm_thread->thread_exception.exc_class) {
Class * exc_class = vm_thread->thread_exception.exc_class;
const char* exc_message = vm_thread->thread_exception.exc_message;
jthrowable exc_cause = NULL;
if (vm_thread->thread_exception.exc_cause){
exc_cause = oh_allocate_local_handle();
exc_cause->object = vm_thread->thread_exception.exc_cause;
}
clear_exception_internal();
exn_throw_by_class_internal(exc_class, exc_message, exc_cause);
} else {
LDIE(60, "There is no exception.");
}
#endif
DIE(("It's Unreachable place."));
END_RAISE_AREA;
} //exn_rethrow
// function can be safe point & should be called with disable reqursion = 1
void exn_athrow(ManagedObject* exn_obj, Class_Handle exn_class,
Method_Handle exn_constr, U_8* exn_constr_args)
{
assert(!hythread_is_suspend_enabled());
BEGIN_RAISE_AREA;
exn_throw_for_JIT(exn_obj, exn_class, exn_constr, exn_constr_args, NULL);
END_RAISE_AREA;
}
void exn_throw_object_internal(jthrowable exc_object)
{
BEGIN_RAISE_AREA;
// functions can be invoked in suspend disabled and enabled state
if (hythread_is_suspend_enabled()) {
tmn_suspend_disable();
}
assert(!hythread_is_suspend_enabled());
CTRACE(("%s", "exn_throw_object(), delegating to exn_throw_for_JIT()"));
exn_throw_for_JIT(exc_object->object, NULL, NULL, NULL, NULL);
END_RAISE_AREA;
}
void exn_throw_by_class_internal(Class* exc_class, const char* exc_message,
jthrowable exc_cause)
{
BEGIN_RAISE_AREA;
// functions can be invoked in suspend disabled and enabled state
if (!hythread_is_suspend_enabled()) {
// exception is throwing, so suspend can be enabled safely
tmn_suspend_enable();
}
assert(hythread_is_suspend_enabled());
#ifdef VM_LAZY_EXCEPTION
//set_unwindable(false);
jvalue args[3];
Method* exc_init = prepare_exc_creating(
exc_class, args, exc_message, exc_cause);
if (NULL == exc_init) {
CTRACE(("%s",
"exn_throw_by_class(),create exception and delegating to exn_throw_for_JIT()"));
jthrowable exc_object = exn_create(exc_class, exc_message, exc_cause);
exn_rethrow_if_pending();
//set_unwindable(true);
exn_throw_object_internal(exc_object);
} else {
CTRACE(("%s", "exn_throw_by_class(), lazy delegating to exn_throw_for_JIT()"));
//set_unwindable(true);
// no return, so enable isn't required
tmn_suspend_disable();
exn_throw_for_JIT(NULL, exc_class, exc_init, NULL, args);
//tmn_suspend_enable();
}
#else
jthrowable exc_object = exn_create(exc_class, exc_message, exc_cause);
exn_rethrow_if_pending();
exn_throw_object_internal(exc_object);
#endif
END_RAISE_AREA;
}