1 /*
2 * Copyright (c) 2003, 2010, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
29 #include "oops/oop.hpp"
30 #include "runtime/orderAccess.hpp"
31
32 // A constMethodKlass is the klass of a constMethodOop
33
34 class constMethodKlass : public Klass {
35 friend class VMStructs;
36 private:
37 juint _alloc_size; // allocation profiling support
38 public:
39 // Testing
40 bool oop_is_constMethod() const { return true; }
41 virtual bool oop_is_parsable(oop obj) const;
42 virtual bool oop_is_conc_safe(oop obj) const;
43
44
45 // Allocation
46 DEFINE_ALLOCATE_PERMANENT(constMethodKlass);
47 constMethodOop allocate(int byte_code_size, int compressed_line_number_size,
48 int localvariable_table_length,
49 int checked_exceptions_length,
50 bool is_conc_safe,
51 TRAPS);
52 static klassOop create_klass(TRAPS);
53
54 // Sizing
55 int oop_size(oop obj) const;
56 int klass_oop_size() const { return object_size(); }
57
58 // Casting from klassOop
59 static constMethodKlass* cast(klassOop k) {
60 assert(k->klass_part()->oop_is_constMethod(), "cast to constMethodKlass");
61 return (constMethodKlass*) k->klass_part();
62 }
63
64 // Sizing
65 static int header_size() {
66 return oopDesc::header_size() + sizeof(constMethodKlass)/HeapWordSize;
67 }
68 int object_size() const {
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1 /*
2 * Copyright (c) 2003, 2012, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
29 #include "oops/oop.hpp"
30 #include "runtime/orderAccess.hpp"
31
32 // A constMethodKlass is the klass of a constMethodOop
33
34 class constMethodKlass : public Klass {
35 friend class VMStructs;
36 private:
37 juint _alloc_size; // allocation profiling support
38 public:
39 // Testing
40 bool oop_is_constMethod() const { return true; }
41 virtual bool oop_is_parsable(oop obj) const;
42 virtual bool oop_is_conc_safe(oop obj) const;
43
44
45 // Allocation
46 DEFINE_ALLOCATE_PERMANENT(constMethodKlass);
47 constMethodOop allocate(int byte_code_size, int compressed_line_number_size,
48 int localvariable_table_length,
49 int exception_table_length,
50 int checked_exceptions_length,
51 bool is_conc_safe,
52 TRAPS);
53 static klassOop create_klass(TRAPS);
54
55 // Sizing
56 int oop_size(oop obj) const;
57 int klass_oop_size() const { return object_size(); }
58
59 // Casting from klassOop
60 static constMethodKlass* cast(klassOop k) {
61 assert(k->klass_part()->oop_is_constMethod(), "cast to constMethodKlass");
62 return (constMethodKlass*) k->klass_part();
63 }
64
65 // Sizing
66 static int header_size() {
67 return oopDesc::header_size() + sizeof(constMethodKlass)/HeapWordSize;
68 }
69 int object_size() const {
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