// This function fixes the dummy object allocated by FileDescriptor::allocate()
// before the Universe was fully initialized.
void JarFileParser::fix_bootstrap() {
const int max = MAX_CACHED_PARSERS < MaxCachedJarParsers ?
MAX_CACHED_PARSERS : MaxCachedJarParsers;
for (int i=0; i<max; i++) {
int ref = _cached_parsers[0];
if (ref >= 0) {
JarFileParser::Raw parser = ObjectHeap::get_global_ref_object(ref);
GUARANTEE(parser.not_null(), "must not be GC'ed yet!");
OopDesc** desc = (OopDesc**)parser().file_descriptor();
OopDesc* n = Universe::file_descriptor_class()->prototypical_near();
// Make it a real FileDescriptor object.
oop_write_barrier(desc, n);
// This line tests that n is now really a FileDescriptor.
FileDescriptor::Raw try_it = parser().file_descriptor();
(void)try_it;
}
}
// We still haven't put the fixed up FileDescriptor into the list of
// finalizable objects yet. It's easier just to flush the cache now
// and close the FileDescriptors now ... this code is used only in
// non-product mode, so there's no need to make it fancy.
flush_caches();
}
KNIEXPORT void
KNI_SetObjectField(jobject objectHandle, jfieldID fieldID, jobject fromHandle)
{
OopDesc* object = kni_read_handle(objectHandle);
GUARANTEE(object != 0, "null argument to KNI_SetObjectField");
oop_write_barrier(object->obj_field_addr((int)fieldID),
kni_read_handle(fromHandle));
}
void set_next(FinalizerConsDesc* n) { oop_write_barrier((OopDesc**) next_addr(), n); }
void set_referent(OopDesc* r) { oop_write_barrier(referent_addr(), r); }
void reinitialize(OopDesc* klass) {
GUARANTEE(klass != NULL, "Cannot set class of object to NULL");
oop_write_barrier(&this->_klass, klass);
}
