101 lines
3.8 KiB
C++
101 lines
3.8 KiB
C++
/*
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* Copyright (c) 2012, 2020, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*
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*/
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#include "precompiled.hpp"
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#include "classfile/classLoaderData.hpp"
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#include "logging/log.hpp"
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#include "memory/metadataFactory.hpp"
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#include "memory/metaspaceClosure.hpp"
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#include "memory/oopFactory.hpp"
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#include "oops/annotations.hpp"
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#include "oops/instanceKlass.hpp"
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#include "oops/typeArrayOop.inline.hpp"
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#include "utilities/ostream.hpp"
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// Allocate annotations in metadata area
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Annotations* Annotations::allocate(ClassLoaderData* loader_data, TRAPS) {
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return new (loader_data, size(), MetaspaceObj::AnnotationsType, THREAD) Annotations();
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}
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// helper
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void Annotations::free_contents(ClassLoaderData* loader_data, Array<AnnotationArray*>* p) {
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if (p != NULL) {
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for (int i = 0; i < p->length(); i++) {
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MetadataFactory::free_array<u1>(loader_data, p->at(i));
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}
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MetadataFactory::free_array<AnnotationArray*>(loader_data, p);
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}
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}
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void Annotations::deallocate_contents(ClassLoaderData* loader_data) {
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if (class_annotations() != NULL) {
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MetadataFactory::free_array<u1>(loader_data, class_annotations());
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}
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free_contents(loader_data, fields_annotations());
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if (class_type_annotations() != NULL) {
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MetadataFactory::free_array<u1>(loader_data, class_type_annotations());
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}
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free_contents(loader_data, fields_type_annotations());
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}
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// Copy annotations to JVM call or reflection to the java heap.
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// The alternative to creating this array and adding to Java heap pressure
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// is to have a hashtable of the already created typeArrayOops
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typeArrayOop Annotations::make_java_array(AnnotationArray* annotations, TRAPS) {
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if (annotations != NULL) {
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int length = annotations->length();
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typeArrayOop copy = oopFactory::new_byteArray(length, CHECK_NULL);
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for (int i = 0; i< length; i++) {
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copy->byte_at_put(i, annotations->at(i));
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}
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return copy;
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} else {
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return NULL;
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}
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}
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void Annotations::metaspace_pointers_do(MetaspaceClosure* it) {
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log_trace(cds)("Iter(Annotations): %p", this);
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it->push(&_class_annotations);
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it->push(&_fields_annotations);
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it->push(&_class_type_annotations);
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it->push(&_fields_type_annotations); // FIXME: need a test case where _fields_type_annotations != NULL
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}
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void Annotations::print_value_on(outputStream* st) const {
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st->print("Annotations(" INTPTR_FORMAT ")", p2i(this));
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}
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#define BULLET " - "
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#ifndef PRODUCT
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void Annotations::print_on(outputStream* st) const {
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st->print(BULLET"class_annotations "); class_annotations()->print_value_on(st);
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st->print(BULLET"fields_annotations "); fields_annotations()->print_value_on(st);
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st->print(BULLET"class_type_annotations "); class_type_annotations()->print_value_on(st);
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st->print(BULLET"fields_type_annotations "); fields_type_annotations()->print_value_on(st);
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}
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#endif // PRODUCT
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