80 lines
3.3 KiB
C++
80 lines
3.3 KiB
C++
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/*
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* Copyright (c) 2011, 2012, 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_INSTANCECLASSLOADERKLASS_HPP
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#define SHARE_VM_OOPS_INSTANCECLASSLOADERKLASS_HPP
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#include "oops/instanceKlass.hpp"
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// An instanceClassLoaderKlass is a specialization of the InstanceKlass. It does
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// not add any field. It is added to walk the dependencies for the class loader
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// key that this class loader points to. This is how the loader_data graph is
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// walked and dependant class loaders are kept alive. I thought we walked
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// the list later?
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class instanceClassLoaderKlass: public InstanceKlass {
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friend class VMStructs;
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friend class InstanceKlass;
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// Constructor
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instanceClassLoaderKlass(int vtable_len, int itable_len, int static_field_size, int nonstatic_oop_map_size, ReferenceType rt, AccessFlags access_flags, bool is_anonymous)
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: InstanceKlass(vtable_len, itable_len, static_field_size, nonstatic_oop_map_size, rt, access_flags, is_anonymous) {}
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public:
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virtual bool oop_is_instanceClassLoader() const { return true; }
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instanceClassLoaderKlass() { assert(DumpSharedSpaces || UseSharedSpaces, "only for CDS"); }
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// Iterators
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int oop_oop_iterate(oop obj, ExtendedOopClosure* blk) {
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return oop_oop_iterate_v(obj, blk);
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}
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int oop_oop_iterate_m(oop obj, ExtendedOopClosure* blk, MemRegion mr) {
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return oop_oop_iterate_v_m(obj, blk, mr);
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}
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#define InstanceClassLoaderKlass_OOP_OOP_ITERATE_DECL(OopClosureType, nv_suffix) \
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int oop_oop_iterate##nv_suffix(oop obj, OopClosureType* blk); \
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int oop_oop_iterate##nv_suffix##_m(oop obj, OopClosureType* blk, MemRegion mr);
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ALL_OOP_OOP_ITERATE_CLOSURES_1(InstanceClassLoaderKlass_OOP_OOP_ITERATE_DECL)
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ALL_OOP_OOP_ITERATE_CLOSURES_2(InstanceClassLoaderKlass_OOP_OOP_ITERATE_DECL)
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#ifndef SERIALGC
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#define InstanceClassLoaderKlass_OOP_OOP_ITERATE_BACKWARDS_DECL(OopClosureType, nv_suffix) \
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int oop_oop_iterate_backwards##nv_suffix(oop obj, OopClosureType* blk);
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ALL_OOP_OOP_ITERATE_CLOSURES_1(InstanceClassLoaderKlass_OOP_OOP_ITERATE_BACKWARDS_DECL)
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ALL_OOP_OOP_ITERATE_CLOSURES_2(InstanceClassLoaderKlass_OOP_OOP_ITERATE_BACKWARDS_DECL)
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#endif // !SERIALGC
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// Garbage collection
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void oop_follow_contents(oop obj);
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// Parallel Scavenge and Parallel Old
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PARALLEL_GC_DECLS
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};
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#endif // SHARE_VM_OOPS_INSTANCECLASSLOADERKLASS_HPP
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