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comparison src/share/vm/oops/constMethodKlass.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 2003-2006 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 // A constMethodKlass is the klass of a constMethodOop
26
27 class constMethodKlass : public Klass {
28 friend class VMStructs;
29 private:
30 juint _alloc_size; // allocation profiling support
31 public:
32 // Testing
33 bool oop_is_constMethod() const { return true; }
34 virtual bool oop_is_parsable(oop obj) const;
35
36 // Allocation
37 DEFINE_ALLOCATE_PERMANENT(constMethodKlass);
38 constMethodOop allocate(int byte_code_size, int compressed_line_number_size,
39 int localvariable_table_length,
40 int checked_exceptions_length, TRAPS);
41 static klassOop create_klass(TRAPS);
42
43 // Sizing
44 int oop_size(oop obj) const;
45 int klass_oop_size() const { return object_size(); }
46
47 // Casting from klassOop
48 static constMethodKlass* cast(klassOop k) {
49 assert(k->klass_part()->oop_is_constMethod(), "cast to constMethodKlass");
50 return (constMethodKlass*) k->klass_part();
51 }
52
53 // Sizing
54 static int header_size() {
55 return oopDesc::header_size() + sizeof(constMethodKlass)/HeapWordSize;
56 }
57 int object_size() const {
58 return align_object_size(header_size());
59 }
60
61 // Garbage collection
62 void oop_follow_contents(oop obj);
63 int oop_adjust_pointers(oop obj);
64
65 // Parallel Scavenge and Parallel Old
66 PARALLEL_GC_DECLS
67
68 // Allocation profiling support
69 juint alloc_size() const { return _alloc_size; }
70 void set_alloc_size(juint n) { _alloc_size = n; }
71
72 // Iterators
73 int oop_oop_iterate(oop obj, OopClosure* blk);
74 int oop_oop_iterate_m(oop obj, OopClosure* blk, MemRegion mr);
75
76 #ifndef PRODUCT
77 public:
78 // Printing
79 void oop_print_on (oop obj, outputStream* st);
80 void oop_print_value_on(oop obj, outputStream* st);
81
82 #endif
83
84 public:
85 // Verify operations
86 const char* internal_name() const;
87 void oop_verify_on(oop obj, outputStream* st);
88 bool oop_partially_loaded(oop obj) const;
89 void oop_set_partially_loaded(oop obj);
90 };