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comparison src/share/vm/oops/objArrayKlassKlass.hpp @ 0:a61af66fc99e jdk7-b24

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author duke
date Sat, 01 Dec 2007 00:00:00 +0000
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1 /*
2 * Copyright 1997-2006 Sun Microsystems, Inc. All Rights Reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
20 * CA 95054 USA or visit www.sun.com if you need additional information or
21 * have any questions.
22 *
23 */
24
25 // The objArrayKlassKlass is klass for all objArrayKlass'
26
27 class objArrayKlassKlass : public arrayKlassKlass {
28 public:
29 // Testing
30 virtual bool oop_is_objArrayKlass() const { return true; }
31
32 // Dispatched operation
33 int oop_size(oop obj) const { return objArrayKlass::cast(klassOop(obj))->object_size(); }
34 int klass_oop_size() const { return object_size(); }
35
36 // Allocation
37 DEFINE_ALLOCATE_PERMANENT(objArrayKlassKlass);
38 static klassOop create_klass(TRAPS);
39 klassOop allocate_objArray_klass(int n, KlassHandle element_klass, TRAPS);
40 klassOop allocate_system_objArray_klass(TRAPS); // Used for bootstrapping in Universe::genesis
41
42 // Casting from klassOop
43 static objArrayKlassKlass* cast(klassOop k) {
44 assert(k->klass_part()->oop_is_klass(), "cast to objArrayKlassKlass");
45 return (objArrayKlassKlass*) k->klass_part();
46 }
47
48 // Sizing
49 static int header_size() { return oopDesc::header_size() + sizeof(objArrayKlassKlass)/HeapWordSize; }
50 int object_size() const { return align_object_size(header_size()); }
51
52 // Garbage collection
53 void oop_follow_contents(oop obj);
54 int oop_adjust_pointers(oop obj);
55
56 // Parallel Scavenge and Parallel Old
57 PARALLEL_GC_DECLS
58
59 // Iterators
60 int oop_oop_iterate(oop obj, OopClosure* blk);
61 int oop_oop_iterate_m(oop obj, OopClosure* blk, MemRegion mr);
62
63 private:
64 // helpers
65 static klassOop allocate_objArray_klass_impl(objArrayKlassKlassHandle this_oop, int n, KlassHandle element_klass, TRAPS);
66
67 #ifndef PRODUCT
68 public:
69 // Printing
70 void oop_print_on(oop obj, outputStream* st);
71 void oop_print_value_on(oop obj, outputStream* st);
72 #endif
73
74 public:
75 // Verification
76 const char* internal_name() const;
77 void oop_verify_on(oop obj, outputStream* st);
78
79 };