// ------------------------------------------------------------------
// ciObjectFactory::get_metadata
//
// Get the ciMetadata corresponding to some Metadata. If the ciMetadata has
// already been created, it is returned. Otherwise, a new ciMetadata
// is created.
ciMetadata* ciObjectFactory::get_metadata(Metadata* key) {
ASSERT_IN_VM;
#ifdef ASSERT
if (CIObjectFactoryVerify) {
Metadata* last = NULL;
for (int j = 0; j< _ci_metadata->length(); j++) {
Metadata* o = _ci_metadata->at(j)->constant_encoding();
assert(last < o, "out of order");
last = o;
}
}
#endif // ASSERT
int len = _ci_metadata->length();
int index = find(key, _ci_metadata);
#ifdef ASSERT
if (CIObjectFactoryVerify) {
for (int i=0; i<_ci_metadata->length(); i++) {
if (_ci_metadata->at(i)->constant_encoding() == key) {
assert(index == i, " bad lookup");
}
}
}
#endif
if (!is_found_at(index, key, _ci_metadata)) {
// The ciMetadata does not yet exist. Create it and insert it
// into the cache.
ciMetadata* new_object = create_new_metadata(key);
init_ident_of(new_object);
assert(new_object->is_metadata(), "must be");
if (len != _ci_metadata->length()) {
// creating the new object has recursively entered new objects
// into the table. We need to recompute our index.
index = find(key, _ci_metadata);
}
assert(!is_found_at(index, key, _ci_metadata), "no double insert");
insert(index, new_object, _ci_metadata);
return new_object;
}
return _ci_metadata->at(index)->as_metadata();
}
// ------------------------------------------------------------------
// ciObjectFactory::get
//
// Get the ciObject corresponding to some oop. If the ciObject has
// already been created, it is returned. Otherwise, a new ciObject
// is created.
ciObject* ciObjectFactory::get(oop key) {
ASSERT_IN_VM;
#ifdef ASSERT
if (CIObjectFactoryVerify) {
oop last = NULL;
for (int j = 0; j< _ci_objects->length(); j++) {
oop o = _ci_objects->at(j)->get_oop();
assert(last < o, "out of order");
last = o;
}
}
#endif // ASSERT
int len = _ci_objects->length();
int index = find(key, _ci_objects);
#ifdef ASSERT
if (CIObjectFactoryVerify) {
for (int i=0; i<_ci_objects->length(); i++) {
if (_ci_objects->at(i)->get_oop() == key) {
assert(index == i, " bad lookup");
}
}
}
#endif
if (!is_found_at(index, key, _ci_objects)) {
// Check in the non-perm area before putting it in the list.
NonPermObject* &bucket = find_non_perm(key);
if (bucket != NULL) {
return bucket->object();
}
// Check in the shared symbol area before putting it in the list.
if (key->is_symbol()) {
vmSymbols::SID sid = vmSymbols::find_sid((symbolOop)key);
if (sid != vmSymbols::NO_SID) {
// do not pollute the main cache with it
return vm_symbol_at(sid);
}
}
// The ciObject does not yet exist. Create it and insert it
// into the cache.
Handle keyHandle(key);
ciObject* new_object = create_new_object(keyHandle());
assert(keyHandle() == new_object->get_oop(), "must be properly recorded");
init_ident_of(new_object);
if (!new_object->is_perm()) {
// Not a perm-space object.
insert_non_perm(bucket, keyHandle(), new_object);
return new_object;
}
if (len != _ci_objects->length()) {
// creating the new object has recursively entered new objects
// into the table. We need to recompute our index.
index = find(keyHandle(), _ci_objects);
}
assert(!is_found_at(index, keyHandle(), _ci_objects), "no double insert");
insert(index, new_object, _ci_objects);
return new_object;
}
return _ci_objects->at(index);
}
