1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/src/share/vm/oops/instanceClassLoaderKlass.hpp Sat Sep 01 13:25:18 2012 -0400
1.3 @@ -0,0 +1,79 @@
1.4 +/*
1.5 + * Copyright (c) 2011, 2012, Oracle and/or its affiliates. All rights reserved.
1.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
1.7 + *
1.8 + * This code is free software; you can redistribute it and/or modify it
1.9 + * under the terms of the GNU General Public License version 2 only, as
1.10 + * published by the Free Software Foundation.
1.11 + *
1.12 + * This code is distributed in the hope that it will be useful, but WITHOUT
1.13 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
1.14 + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
1.15 + * version 2 for more details (a copy is included in the LICENSE file that
1.16 + * accompanied this code).
1.17 + *
1.18 + * You should have received a copy of the GNU General Public License version
1.19 + * 2 along with this work; if not, write to the Free Software Foundation,
1.20 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
1.21 + *
1.22 + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
1.23 + * or visit www.oracle.com if you need additional information or have any
1.24 + * questions.
1.25 + *
1.26 + */
1.27 +
1.28 +#ifndef SHARE_VM_OOPS_INSTANCECLASSLOADERKLASS_HPP
1.29 +#define SHARE_VM_OOPS_INSTANCECLASSLOADERKLASS_HPP
1.30 +
1.31 +#include "oops/instanceKlass.hpp"
1.32 +
1.33 +// An instanceClassLoaderKlass is a specialization of the InstanceKlass. It does
1.34 +// not add any field. It is added to walk the dependencies for the class loader
1.35 +// key that this class loader points to. This is how the loader_data graph is
1.36 +// walked and dependant class loaders are kept alive. I thought we walked
1.37 +// the list later?
1.38 +
1.39 +class instanceClassLoaderKlass: public InstanceKlass {
1.40 + friend class VMStructs;
1.41 + friend class InstanceKlass;
1.42 +
1.43 + // Constructor
1.44 + instanceClassLoaderKlass(int vtable_len, int itable_len, int static_field_size, int nonstatic_oop_map_size, ReferenceType rt, AccessFlags access_flags, bool is_anonymous)
1.45 + : InstanceKlass(vtable_len, itable_len, static_field_size, nonstatic_oop_map_size, rt, access_flags, is_anonymous) {}
1.46 +
1.47 +public:
1.48 + virtual bool oop_is_instanceClassLoader() const { return true; }
1.49 +
1.50 + instanceClassLoaderKlass() { assert(DumpSharedSpaces || UseSharedSpaces, "only for CDS"); }
1.51 +
1.52 + // Iterators
1.53 + int oop_oop_iterate(oop obj, ExtendedOopClosure* blk) {
1.54 + return oop_oop_iterate_v(obj, blk);
1.55 + }
1.56 + int oop_oop_iterate_m(oop obj, ExtendedOopClosure* blk, MemRegion mr) {
1.57 + return oop_oop_iterate_v_m(obj, blk, mr);
1.58 + }
1.59 +
1.60 +#define InstanceClassLoaderKlass_OOP_OOP_ITERATE_DECL(OopClosureType, nv_suffix) \
1.61 + int oop_oop_iterate##nv_suffix(oop obj, OopClosureType* blk); \
1.62 + int oop_oop_iterate##nv_suffix##_m(oop obj, OopClosureType* blk, MemRegion mr);
1.63 +
1.64 + ALL_OOP_OOP_ITERATE_CLOSURES_1(InstanceClassLoaderKlass_OOP_OOP_ITERATE_DECL)
1.65 + ALL_OOP_OOP_ITERATE_CLOSURES_2(InstanceClassLoaderKlass_OOP_OOP_ITERATE_DECL)
1.66 +
1.67 +#ifndef SERIALGC
1.68 +#define InstanceClassLoaderKlass_OOP_OOP_ITERATE_BACKWARDS_DECL(OopClosureType, nv_suffix) \
1.69 + int oop_oop_iterate_backwards##nv_suffix(oop obj, OopClosureType* blk);
1.70 +
1.71 + ALL_OOP_OOP_ITERATE_CLOSURES_1(InstanceClassLoaderKlass_OOP_OOP_ITERATE_BACKWARDS_DECL)
1.72 + ALL_OOP_OOP_ITERATE_CLOSURES_2(InstanceClassLoaderKlass_OOP_OOP_ITERATE_BACKWARDS_DECL)
1.73 +#endif // !SERIALGC
1.74 +
1.75 + // Garbage collection
1.76 + void oop_follow_contents(oop obj);
1.77 +
1.78 + // Parallel Scavenge and Parallel Old
1.79 + PARALLEL_GC_DECLS
1.80 +};
1.81 +
1.82 +#endif // SHARE_VM_OOPS_INSTANCECLASSLOADERKLASS_HPP
