| /* |
| * Copyright (c) 2011, 2013, 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. |
| * |
| */ |
| |
| #ifndef SHARE_VM_OOPS_INSTANCECLASSLOADERKLASS_HPP |
| #define SHARE_VM_OOPS_INSTANCECLASSLOADERKLASS_HPP |
| |
| #include "oops/instanceKlass.hpp" |
| #include "utilities/macros.hpp" |
| |
| // An InstanceClassLoaderKlass is a specialization of the InstanceKlass. It does |
| // not add any field. It is added to walk the dependencies for the class loader |
| // key that this class loader points to. This is how the loader_data graph is |
| // walked and dependant class loaders are kept alive. I thought we walked |
| // the list later? |
| |
| class InstanceClassLoaderKlass: public InstanceKlass { |
| friend class VMStructs; |
| friend class InstanceKlass; |
| |
| // Constructor |
| InstanceClassLoaderKlass(int vtable_len, int itable_len, int static_field_size, int nonstatic_oop_map_size, ReferenceType rt, AccessFlags access_flags, bool is_anonymous) |
| : InstanceKlass(vtable_len, itable_len, static_field_size, nonstatic_oop_map_size, rt, access_flags, is_anonymous) {} |
| |
| public: |
| virtual bool oop_is_instanceClassLoader() const { return true; } |
| |
| InstanceClassLoaderKlass() { assert(DumpSharedSpaces || UseSharedSpaces, "only for CDS"); } |
| |
| // Iterators |
| int oop_oop_iterate(oop obj, ExtendedOopClosure* blk) { |
| return oop_oop_iterate_v(obj, blk); |
| } |
| int oop_oop_iterate_m(oop obj, ExtendedOopClosure* blk, MemRegion mr) { |
| return oop_oop_iterate_v_m(obj, blk, mr); |
| } |
| |
| #define InstanceClassLoaderKlass_OOP_OOP_ITERATE_DECL(OopClosureType, nv_suffix) \ |
| int oop_oop_iterate##nv_suffix(oop obj, OopClosureType* blk); \ |
| int oop_oop_iterate##nv_suffix##_m(oop obj, OopClosureType* blk, MemRegion mr); |
| |
| ALL_OOP_OOP_ITERATE_CLOSURES_1(InstanceClassLoaderKlass_OOP_OOP_ITERATE_DECL) |
| ALL_OOP_OOP_ITERATE_CLOSURES_2(InstanceClassLoaderKlass_OOP_OOP_ITERATE_DECL) |
| |
| #if INCLUDE_ALL_GCS |
| #define InstanceClassLoaderKlass_OOP_OOP_ITERATE_BACKWARDS_DECL(OopClosureType, nv_suffix) \ |
| int oop_oop_iterate_backwards##nv_suffix(oop obj, OopClosureType* blk); |
| |
| ALL_OOP_OOP_ITERATE_CLOSURES_1(InstanceClassLoaderKlass_OOP_OOP_ITERATE_BACKWARDS_DECL) |
| ALL_OOP_OOP_ITERATE_CLOSURES_2(InstanceClassLoaderKlass_OOP_OOP_ITERATE_BACKWARDS_DECL) |
| #endif // INCLUDE_ALL_GCS |
| |
| // Garbage collection |
| void oop_follow_contents(oop obj); |
| |
| // Parallel Scavenge and Parallel Old |
| PARALLEL_GC_DECLS |
| }; |
| |
| #endif // SHARE_VM_OOPS_INSTANCECLASSLOADERKLASS_HPP |