PlaceholderEntry* PlaceholderTable::new_entry(int hash, symbolOop name,
oop loader, bool havesupername,
symbolOop supername) {
PlaceholderEntry* entry = (PlaceholderEntry*)Hashtable::new_entry(hash, name);
entry->set_loader(loader);
entry->set_havesupername(havesupername);
entry->set_supername(supername);
entry->set_superThreadQ(NULL);
entry->set_loadInstanceThreadQ(NULL);
entry->set_defineThreadQ(NULL);
entry->set_definer(NULL);
entry->set_instanceKlass(NULL);
return entry;
}
// find_and_add returns probe pointer - old or new
// If no entry exists, add a placeholder entry
// If entry exists, reuse entry
// For both, push SeenThread for classloadAction
// if havesupername: this is used for circularity for instanceklass loading
PlaceholderEntry* PlaceholderTable::find_and_add(int index, unsigned int hash, symbolHandle name, Handle loader, classloadAction action, symbolHandle supername, Thread* thread) {
PlaceholderEntry* probe = get_entry(index, hash, name, loader);
if (probe == NULL) {
// Nothing found, add place holder
add_entry(index, hash, name, loader, (action == LOAD_SUPER), supername);
probe = get_entry(index, hash, name, loader);
} else {
if (action == LOAD_SUPER) {
probe->set_havesupername(true);
probe->set_supername(supername());
}
}
if (probe) probe->add_seen_thread(thread, action);
return probe;
}
PlaceholderEntry* PlaceholderTable::new_entry(int hash, Symbol* name,
ClassLoaderData* loader_data,
bool havesupername,
Symbol* supername) {
PlaceholderEntry* entry = (PlaceholderEntry*)Hashtable<Symbol*, mtClass>::new_entry(hash, name);
// Hashtable with Symbol* literal must increment and decrement refcount.
name->increment_refcount();
entry->set_loader_data(loader_data);
entry->set_havesupername(havesupername);
entry->set_supername(supername);
entry->set_superThreadQ(NULL);
entry->set_loadInstanceThreadQ(NULL);
entry->set_defineThreadQ(NULL);
entry->set_definer(NULL);
entry->set_instance_klass(NULL);
return entry;
}