1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/src/share/vm/oops/methodDataKlass.hpp Sat Dec 01 00:00:00 2007 +0000
1.3 @@ -0,0 +1,85 @@
1.4 +/*
1.5 + * Copyright 2000-2006 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
1.23 + * CA 95054 USA or visit www.sun.com if you need additional information or
1.24 + * have any questions.
1.25 + *
1.26 + */
1.27 +
1.28 +// a methodDataKlass is the klass of a methodDataOop
1.29 +
1.30 +class methodDataKlass : public Klass {
1.31 + friend class VMStructs;
1.32 + private:
1.33 + juint _alloc_size; // allocation profiling support
1.34 + public:
1.35 + // Testing
1.36 + bool oop_is_methodData() const { return true; }
1.37 +
1.38 + // Allocation
1.39 + DEFINE_ALLOCATE_PERMANENT(methodDataKlass);
1.40 + methodDataOop allocate(methodHandle method, TRAPS);
1.41 + static klassOop create_klass(TRAPS);
1.42 +
1.43 + // Sizing
1.44 + int oop_size(oop obj) const;
1.45 + int klass_oop_size() const { return object_size(); }
1.46 +
1.47 + // Casting from klassOop
1.48 + static methodDataKlass* cast(klassOop k) {
1.49 + assert(k->klass_part()->oop_is_methodData(), "cast to methodDataKlass");
1.50 + return (methodDataKlass*) k->klass_part();
1.51 + }
1.52 +
1.53 + // Sizing
1.54 + static int header_size() {
1.55 + return oopDesc::header_size() + sizeof(methodDataKlass)/wordSize;
1.56 + }
1.57 + int object_size() const {
1.58 + return align_object_size(header_size());
1.59 + }
1.60 +
1.61 + // Garbage collection
1.62 + void oop_follow_contents(oop obj);
1.63 + int oop_adjust_pointers(oop obj);
1.64 + bool oop_is_parsable(oop obj) const;
1.65 +
1.66 + // Parallel Scavenge and Parallel Old
1.67 + PARALLEL_GC_DECLS
1.68 +
1.69 + // Allocation profiling support
1.70 + juint alloc_size() const { return _alloc_size; }
1.71 + void set_alloc_size(juint n) { _alloc_size = n; }
1.72 +
1.73 + // Iterators
1.74 + int oop_oop_iterate(oop obj, OopClosure* blk);
1.75 + int oop_oop_iterate_m(oop obj, OopClosure* blk, MemRegion mr);
1.76 +
1.77 +#ifndef PRODUCT
1.78 + public:
1.79 + // Printing
1.80 + void oop_print_on (oop obj, outputStream* st);
1.81 + void oop_print_value_on(oop obj, outputStream* st);
1.82 +#endif // !PRODUCT
1.83 +
1.84 + public:
1.85 + // Verify operations
1.86 + const char* internal_name() const;
1.87 + void oop_verify_on(oop obj, outputStream* st);
1.88 +};
