| /* |
| * Copyright (c) 2011, 2018, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| * |
| */ |
| |
| #include "precompiled.hpp" |
| #include "classfile/javaClasses.hpp" |
| #include "classfile/systemDictionary.hpp" |
| #include "gc/shared/collectedHeap.inline.hpp" |
| #include "memory/iterator.inline.hpp" |
| #include "memory/oopFactory.hpp" |
| #include "oops/instanceKlass.hpp" |
| #include "oops/instanceMirrorKlass.hpp" |
| #include "oops/instanceOop.hpp" |
| #include "oops/oop.inline.hpp" |
| #include "oops/symbol.hpp" |
| #include "runtime/handles.inline.hpp" |
| #include "utilities/macros.hpp" |
| |
| int InstanceMirrorKlass::_offset_of_static_fields = 0; |
| |
| int InstanceMirrorKlass::instance_size(Klass* k) { |
| if (k != NULL && k->is_instance_klass()) { |
| return align_object_size(size_helper() + InstanceKlass::cast(k)->static_field_size()); |
| } |
| return size_helper(); |
| } |
| |
| instanceOop InstanceMirrorKlass::allocate_instance(Klass* k, TRAPS) { |
| // Query before forming handle. |
| int size = instance_size(k); |
| assert(size > 0, "total object size must be positive: %d", size); |
| |
| // Since mirrors can be variable sized because of the static fields, store |
| // the size in the mirror itself. |
| return (instanceOop)Universe::heap()->class_allocate(this, size, CHECK_NULL); |
| } |
| |
| int InstanceMirrorKlass::oop_size(oop obj) const { |
| return java_lang_Class::oop_size(obj); |
| } |
| |
| int InstanceMirrorKlass::compute_static_oop_field_count(oop obj) { |
| Klass* k = java_lang_Class::as_Klass(obj); |
| if (k != NULL && k->is_instance_klass()) { |
| return InstanceKlass::cast(k)->static_oop_field_count(); |
| } |
| return 0; |
| } |
| |
| #if INCLUDE_CDS |
| void InstanceMirrorKlass::serialize_offsets(SerializeClosure* f) { |
| f->do_u4((u4*)&_offset_of_static_fields); |
| } |
| #endif |