165 lines
6.1 KiB
C++
165 lines
6.1 KiB
C++
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/* Copyright (c) 2015, 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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#ifndef SHARE_VM_OOPS_INSTANCEMIRRORKLASS_INLINE_HPP
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#define SHARE_VM_OOPS_INSTANCEMIRRORKLASS_INLINE_HPP
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#include "classfile/javaClasses.hpp"
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#include "oops/instanceKlass.inline.hpp"
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#include "oops/instanceMirrorKlass.hpp"
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#include "oops/oop.inline.hpp"
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#include "utilities/debug.hpp"
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#include "utilities/globalDefinitions.hpp"
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#include "utilities/macros.hpp"
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template <bool nv, typename T, class OopClosureType>
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void InstanceMirrorKlass::oop_oop_iterate_statics_specialized(oop obj, OopClosureType* closure) {
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T* p = (T*)start_of_static_fields(obj);
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T* const end = p + java_lang_Class::static_oop_field_count(obj);
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for (; p < end; ++p) {
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Devirtualizer<nv>::do_oop(closure, p);
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}
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}
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template <bool nv, class OopClosureType>
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void InstanceMirrorKlass::oop_oop_iterate_statics(oop obj, OopClosureType* closure) {
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if (UseCompressedOops) {
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oop_oop_iterate_statics_specialized<nv, narrowOop>(obj, closure);
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} else {
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oop_oop_iterate_statics_specialized<nv, oop>(obj, closure);
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}
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}
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template <bool nv, class OopClosureType>
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int InstanceMirrorKlass::oop_oop_iterate(oop obj, OopClosureType* closure) {
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InstanceKlass::oop_oop_iterate<nv>(obj, closure);
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if (Devirtualizer<nv>::do_metadata(closure)) {
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Klass* klass = java_lang_Class::as_Klass(obj);
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// We'll get NULL for primitive mirrors.
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if (klass != NULL) {
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Devirtualizer<nv>::do_klass(closure, klass);
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}
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}
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oop_oop_iterate_statics<nv>(obj, closure);
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return oop_size(obj);
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}
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#if INCLUDE_ALL_GCS
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template <bool nv, class OopClosureType>
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int InstanceMirrorKlass::oop_oop_iterate_reverse(oop obj, OopClosureType* closure) {
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InstanceKlass::oop_oop_iterate_reverse<nv>(obj, closure);
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InstanceMirrorKlass::oop_oop_iterate_statics<nv>(obj, closure);
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return oop_size(obj);
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}
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#endif
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template <bool nv, typename T, class OopClosureType>
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void InstanceMirrorKlass::oop_oop_iterate_statics_specialized_bounded(oop obj,
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OopClosureType* closure,
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MemRegion mr) {
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T* p = (T*)start_of_static_fields(obj);
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T* end = p + java_lang_Class::static_oop_field_count(obj);
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T* const l = (T*)mr.start();
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T* const h = (T*)mr.end();
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assert(mask_bits((intptr_t)l, sizeof(T)-1) == 0 &&
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mask_bits((intptr_t)h, sizeof(T)-1) == 0,
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"bounded region must be properly aligned");
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if (p < l) {
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p = l;
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}
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if (end > h) {
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end = h;
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}
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for (;p < end; ++p) {
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Devirtualizer<nv>::do_oop(closure, p);
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}
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}
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template <bool nv, class OopClosureType>
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void InstanceMirrorKlass::oop_oop_iterate_statics_bounded(oop obj, OopClosureType* closure, MemRegion mr) {
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if (UseCompressedOops) {
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oop_oop_iterate_statics_specialized_bounded<nv, narrowOop>(obj, closure, mr);
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} else {
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oop_oop_iterate_statics_specialized_bounded<nv, oop>(obj, closure, mr);
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}
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}
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template <bool nv, class OopClosureType>
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int InstanceMirrorKlass::oop_oop_iterate_bounded(oop obj, OopClosureType* closure, MemRegion mr) {
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InstanceKlass::oop_oop_iterate_bounded<nv>(obj, closure, mr);
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if (Devirtualizer<nv>::do_metadata(closure)) {
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if (mr.contains(obj)) {
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Klass* klass = java_lang_Class::as_Klass(obj);
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// We'll get NULL for primitive mirrors.
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if (klass != NULL) {
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Devirtualizer<nv>::do_klass(closure, klass);
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}
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}
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}
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oop_oop_iterate_statics_bounded<nv>(obj, closure, mr);
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return oop_size(obj);
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}
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#define InstanceMirrorKlass_OOP_OOP_ITERATE_DEFN(OopClosureType, nv_suffix) \
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\
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int InstanceMirrorKlass::oop_oop_iterate##nv_suffix(oop obj, OopClosureType* closure) { \
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return oop_oop_iterate<nvs_to_bool(nv_suffix)>(obj, closure); \
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}
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#if INCLUDE_ALL_GCS
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#define InstanceMirrorKlass_OOP_OOP_ITERATE_BACKWARDS_DEFN(OopClosureType, nv_suffix) \
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\
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int InstanceMirrorKlass::oop_oop_iterate_backwards##nv_suffix(oop obj, OopClosureType* closure) { \
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return oop_oop_iterate_reverse<nvs_to_bool(nv_suffix)>(obj, closure); \
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}
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#else
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#define InstanceMirrorKlass_OOP_OOP_ITERATE_BACKWARDS_DEFN(OopClosureType, nv_suffix)
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#endif
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#define InstanceMirrorKlass_OOP_OOP_ITERATE_DEFN_m(OopClosureType, nv_suffix) \
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\
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int InstanceMirrorKlass::oop_oop_iterate##nv_suffix##_m(oop obj, OopClosureType* closure, MemRegion mr) { \
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return oop_oop_iterate_bounded<nvs_to_bool(nv_suffix)>(obj, closure, mr); \
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}
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#define ALL_INSTANCE_MIRROR_KLASS_OOP_OOP_ITERATE_DEFN(OopClosureType, nv_suffix) \
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InstanceMirrorKlass_OOP_OOP_ITERATE_DEFN( OopClosureType, nv_suffix) \
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InstanceMirrorKlass_OOP_OOP_ITERATE_DEFN_m( OopClosureType, nv_suffix) \
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InstanceMirrorKlass_OOP_OOP_ITERATE_BACKWARDS_DEFN(OopClosureType, nv_suffix)
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#endif // SHARE_VM_OOPS_INSTANCEMIRRORKLASS_INLINE_HPP
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