113 lines
4.4 KiB
C++
113 lines
4.4 KiB
C++
/*
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* Copyright (c) 2014, 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_MEMORY_ITERATOR_INLINE_HPP
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#define SHARE_VM_MEMORY_ITERATOR_INLINE_HPP
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#include "classfile/classLoaderData.hpp"
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#include "memory/iterator.hpp"
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#include "oops/klass.hpp"
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#include "oops/instanceKlass.inline.hpp"
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#include "oops/instanceMirrorKlass.inline.hpp"
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#include "oops/instanceClassLoaderKlass.inline.hpp"
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#include "oops/instanceRefKlass.inline.hpp"
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#include "oops/objArrayKlass.inline.hpp"
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#include "oops/typeArrayKlass.inline.hpp"
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#include "utilities/debug.hpp"
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inline void MetadataAwareOopClosure::do_class_loader_data(ClassLoaderData* cld) {
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assert(_klass_closure._oop_closure == this, "Must be");
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bool claim = true; // Must claim the class loader data before processing.
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cld->oops_do(_klass_closure._oop_closure, &_klass_closure, claim);
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}
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inline void MetadataAwareOopClosure::do_klass_nv(Klass* k) {
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ClassLoaderData* cld = k->class_loader_data();
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do_class_loader_data(cld);
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}
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inline void MetadataAwareOopClosure::do_klass(Klass* k) { do_klass_nv(k); }
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#ifdef ASSERT
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// This verification is applied to all visited oops.
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// The closures can turn is off by overriding should_verify_oops().
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template <typename T>
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void ExtendedOopClosure::verify(T* p) {
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if (should_verify_oops()) {
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T heap_oop = oopDesc::load_heap_oop(p);
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if (!oopDesc::is_null(heap_oop)) {
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oop o = oopDesc::decode_heap_oop_not_null(heap_oop);
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assert(Universe::heap()->is_in_closed_subset(o),
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err_msg("should be in closed *p " PTR_FORMAT " " PTR_FORMAT, p2i(p), p2i(o)));
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}
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}
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}
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#endif
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// Implementation of the non-virtual do_oop dispatch.
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template <class OopClosureType, typename T>
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inline void Devirtualizer<true>::do_oop(OopClosureType* closure, T* p) {
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debug_only(closure->verify(p));
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closure->do_oop_nv(p);
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}
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template <class OopClosureType>
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inline void Devirtualizer<true>::do_klass(OopClosureType* closure, Klass* k) {
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closure->do_klass_nv(k);
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}
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template <class OopClosureType>
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inline bool Devirtualizer<true>::do_metadata(OopClosureType* closure) {
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// Make sure the non-virtual and the virtual versions match.
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assert(closure->do_metadata_nv() == closure->do_metadata(), "Inconsistency in do_metadata");
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return closure->do_metadata_nv();
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}
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// Implementation of the virtual do_oop dispatch.
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template <class OopClosureType, typename T>
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void Devirtualizer<false>::do_oop(OopClosureType* closure, T* p) {
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debug_only(closure->verify(p));
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closure->do_oop(p);
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}
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template <class OopClosureType>
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void Devirtualizer<false>::do_klass(OopClosureType* closure, Klass* k) {
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closure->do_klass(k);
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}
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template <class OopClosureType>
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bool Devirtualizer<false>::do_metadata(OopClosureType* closure) {
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return closure->do_metadata();
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}
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// The list of all "specializable" oop_oop_iterate function definitions.
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#define ALL_KLASS_OOP_OOP_ITERATE_DEFN(OopClosureType, nv_suffix) \
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ALL_INSTANCE_KLASS_OOP_OOP_ITERATE_DEFN( OopClosureType, nv_suffix) \
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ALL_INSTANCE_REF_KLASS_OOP_OOP_ITERATE_DEFN( OopClosureType, nv_suffix) \
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ALL_INSTANCE_MIRROR_KLASS_OOP_OOP_ITERATE_DEFN( OopClosureType, nv_suffix) \
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ALL_INSTANCE_CLASS_LOADER_KLASS_OOP_OOP_ITERATE_DEFN(OopClosureType, nv_suffix) \
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ALL_OBJ_ARRAY_KLASS_OOP_OOP_ITERATE_DEFN( OopClosureType, nv_suffix) \
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ALL_TYPE_ARRAY_KLASS_OOP_OOP_ITERATE_DEFN( OopClosureType, nv_suffix)
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#endif // SHARE_VM_MEMORY_ITERATOR_INLINE_HPP
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