annotate src/share/vm/oops/constMethodKlass.hpp @ 196:d1605aabd0a1 jdk7-b30

6719955: Update copyright year Summary: Update copyright year for files that have been modified in 2008 Reviewed-by: ohair, tbell
author xdono
date Wed, 02 Jul 2008 12:55:16 -0700
parents a61af66fc99e
children 0af8b0718fc9
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1 /*
a61af66fc99e Initial load
duke
parents:
diff changeset
2 * Copyright 2003-2006 Sun Microsystems, Inc. All Rights Reserved.
a61af66fc99e Initial load
duke
parents:
diff changeset
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
a61af66fc99e Initial load
duke
parents:
diff changeset
4 *
a61af66fc99e Initial load
duke
parents:
diff changeset
5 * This code is free software; you can redistribute it and/or modify it
a61af66fc99e Initial load
duke
parents:
diff changeset
6 * under the terms of the GNU General Public License version 2 only, as
a61af66fc99e Initial load
duke
parents:
diff changeset
7 * published by the Free Software Foundation.
a61af66fc99e Initial load
duke
parents:
diff changeset
8 *
a61af66fc99e Initial load
duke
parents:
diff changeset
9 * This code is distributed in the hope that it will be useful, but WITHOUT
a61af66fc99e Initial load
duke
parents:
diff changeset
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
a61af66fc99e Initial load
duke
parents:
diff changeset
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
a61af66fc99e Initial load
duke
parents:
diff changeset
12 * version 2 for more details (a copy is included in the LICENSE file that
a61af66fc99e Initial load
duke
parents:
diff changeset
13 * accompanied this code).
a61af66fc99e Initial load
duke
parents:
diff changeset
14 *
a61af66fc99e Initial load
duke
parents:
diff changeset
15 * You should have received a copy of the GNU General Public License version
a61af66fc99e Initial load
duke
parents:
diff changeset
16 * 2 along with this work; if not, write to the Free Software Foundation,
a61af66fc99e Initial load
duke
parents:
diff changeset
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
a61af66fc99e Initial load
duke
parents:
diff changeset
18 *
a61af66fc99e Initial load
duke
parents:
diff changeset
19 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
a61af66fc99e Initial load
duke
parents:
diff changeset
20 * CA 95054 USA or visit www.sun.com if you need additional information or
a61af66fc99e Initial load
duke
parents:
diff changeset
21 * have any questions.
a61af66fc99e Initial load
duke
parents:
diff changeset
22 *
a61af66fc99e Initial load
duke
parents:
diff changeset
23 */
a61af66fc99e Initial load
duke
parents:
diff changeset
24
a61af66fc99e Initial load
duke
parents:
diff changeset
25 // A constMethodKlass is the klass of a constMethodOop
a61af66fc99e Initial load
duke
parents:
diff changeset
26
a61af66fc99e Initial load
duke
parents:
diff changeset
27 class constMethodKlass : public Klass {
a61af66fc99e Initial load
duke
parents:
diff changeset
28 friend class VMStructs;
a61af66fc99e Initial load
duke
parents:
diff changeset
29 private:
a61af66fc99e Initial load
duke
parents:
diff changeset
30 juint _alloc_size; // allocation profiling support
a61af66fc99e Initial load
duke
parents:
diff changeset
31 public:
a61af66fc99e Initial load
duke
parents:
diff changeset
32 // Testing
a61af66fc99e Initial load
duke
parents:
diff changeset
33 bool oop_is_constMethod() const { return true; }
a61af66fc99e Initial load
duke
parents:
diff changeset
34 virtual bool oop_is_parsable(oop obj) const;
a61af66fc99e Initial load
duke
parents:
diff changeset
35
a61af66fc99e Initial load
duke
parents:
diff changeset
36 // Allocation
a61af66fc99e Initial load
duke
parents:
diff changeset
37 DEFINE_ALLOCATE_PERMANENT(constMethodKlass);
a61af66fc99e Initial load
duke
parents:
diff changeset
38 constMethodOop allocate(int byte_code_size, int compressed_line_number_size,
a61af66fc99e Initial load
duke
parents:
diff changeset
39 int localvariable_table_length,
a61af66fc99e Initial load
duke
parents:
diff changeset
40 int checked_exceptions_length, TRAPS);
a61af66fc99e Initial load
duke
parents:
diff changeset
41 static klassOop create_klass(TRAPS);
a61af66fc99e Initial load
duke
parents:
diff changeset
42
a61af66fc99e Initial load
duke
parents:
diff changeset
43 // Sizing
a61af66fc99e Initial load
duke
parents:
diff changeset
44 int oop_size(oop obj) const;
a61af66fc99e Initial load
duke
parents:
diff changeset
45 int klass_oop_size() const { return object_size(); }
a61af66fc99e Initial load
duke
parents:
diff changeset
46
a61af66fc99e Initial load
duke
parents:
diff changeset
47 // Casting from klassOop
a61af66fc99e Initial load
duke
parents:
diff changeset
48 static constMethodKlass* cast(klassOop k) {
a61af66fc99e Initial load
duke
parents:
diff changeset
49 assert(k->klass_part()->oop_is_constMethod(), "cast to constMethodKlass");
a61af66fc99e Initial load
duke
parents:
diff changeset
50 return (constMethodKlass*) k->klass_part();
a61af66fc99e Initial load
duke
parents:
diff changeset
51 }
a61af66fc99e Initial load
duke
parents:
diff changeset
52
a61af66fc99e Initial load
duke
parents:
diff changeset
53 // Sizing
a61af66fc99e Initial load
duke
parents:
diff changeset
54 static int header_size() {
a61af66fc99e Initial load
duke
parents:
diff changeset
55 return oopDesc::header_size() + sizeof(constMethodKlass)/HeapWordSize;
a61af66fc99e Initial load
duke
parents:
diff changeset
56 }
a61af66fc99e Initial load
duke
parents:
diff changeset
57 int object_size() const {
a61af66fc99e Initial load
duke
parents:
diff changeset
58 return align_object_size(header_size());
a61af66fc99e Initial load
duke
parents:
diff changeset
59 }
a61af66fc99e Initial load
duke
parents:
diff changeset
60
a61af66fc99e Initial load
duke
parents:
diff changeset
61 // Garbage collection
a61af66fc99e Initial load
duke
parents:
diff changeset
62 void oop_follow_contents(oop obj);
a61af66fc99e Initial load
duke
parents:
diff changeset
63 int oop_adjust_pointers(oop obj);
a61af66fc99e Initial load
duke
parents:
diff changeset
64
a61af66fc99e Initial load
duke
parents:
diff changeset
65 // Parallel Scavenge and Parallel Old
a61af66fc99e Initial load
duke
parents:
diff changeset
66 PARALLEL_GC_DECLS
a61af66fc99e Initial load
duke
parents:
diff changeset
67
a61af66fc99e Initial load
duke
parents:
diff changeset
68 // Allocation profiling support
a61af66fc99e Initial load
duke
parents:
diff changeset
69 juint alloc_size() const { return _alloc_size; }
a61af66fc99e Initial load
duke
parents:
diff changeset
70 void set_alloc_size(juint n) { _alloc_size = n; }
a61af66fc99e Initial load
duke
parents:
diff changeset
71
a61af66fc99e Initial load
duke
parents:
diff changeset
72 // Iterators
a61af66fc99e Initial load
duke
parents:
diff changeset
73 int oop_oop_iterate(oop obj, OopClosure* blk);
a61af66fc99e Initial load
duke
parents:
diff changeset
74 int oop_oop_iterate_m(oop obj, OopClosure* blk, MemRegion mr);
a61af66fc99e Initial load
duke
parents:
diff changeset
75
a61af66fc99e Initial load
duke
parents:
diff changeset
76 #ifndef PRODUCT
a61af66fc99e Initial load
duke
parents:
diff changeset
77 public:
a61af66fc99e Initial load
duke
parents:
diff changeset
78 // Printing
a61af66fc99e Initial load
duke
parents:
diff changeset
79 void oop_print_on (oop obj, outputStream* st);
a61af66fc99e Initial load
duke
parents:
diff changeset
80 void oop_print_value_on(oop obj, outputStream* st);
a61af66fc99e Initial load
duke
parents:
diff changeset
81
a61af66fc99e Initial load
duke
parents:
diff changeset
82 #endif
a61af66fc99e Initial load
duke
parents:
diff changeset
83
a61af66fc99e Initial load
duke
parents:
diff changeset
84 public:
a61af66fc99e Initial load
duke
parents:
diff changeset
85 // Verify operations
a61af66fc99e Initial load
duke
parents:
diff changeset
86 const char* internal_name() const;
a61af66fc99e Initial load
duke
parents:
diff changeset
87 void oop_verify_on(oop obj, outputStream* st);
a61af66fc99e Initial load
duke
parents:
diff changeset
88 bool oop_partially_loaded(oop obj) const;
a61af66fc99e Initial load
duke
parents:
diff changeset
89 void oop_set_partially_loaded(oop obj);
a61af66fc99e Initial load
duke
parents:
diff changeset
90 };