1 /*
2 * Copyright (c) 1997, 2009, 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 *
23 */
24
25 // A constantPoolKlass is the klass of a constantPoolOop
26
27 class constantPoolKlass : public Klass {
28 juint _alloc_size; // allocation profiling support
29 public:
30 // Dispatched klass operations
31 bool oop_is_constantPool() const { return true; }
32 int oop_size(oop obj) const;
33 int klass_oop_size() const { return object_size(); }
34
35 // Allocation
36 DEFINE_ALLOCATE_PERMANENT(constantPoolKlass);
37 constantPoolOop allocate(int length, bool is_conc_safe, TRAPS);
38 static klassOop create_klass(TRAPS);
39
40 // Casting from klassOop
41 static constantPoolKlass* cast(klassOop k) {
42 assert(k->klass_part()->oop_is_constantPool(), "cast to constantPoolKlass");
43 return (constantPoolKlass*) k->klass_part();
44 }
62
63 // Allocation profiling support
64 juint alloc_size() const { return _alloc_size; }
65 void set_alloc_size(juint n) { _alloc_size = n; }
66
67 // Printing
68 void oop_print_value_on(oop obj, outputStream* st);
69 void oop_print_on(oop obj, outputStream* st);
70
71 // Verification
72 const char* internal_name() const;
73 void oop_verify_on(oop obj, outputStream* st);
74 // tells whether obj is partially constructed (gc during class loading)
75 bool oop_partially_loaded(oop obj) const;
76 void oop_set_partially_loaded(oop obj);
77 #ifndef PRODUCT
78 // Compile the world support
79 static void preload_and_initialize_all_classes(oop constant_pool, TRAPS);
80 #endif
81 };
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1 /*
2 * Copyright (c) 1997, 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 *
23 */
24
25 #ifndef SHARE_VM_OOPS_CONSTANTPOOLKLASS_HPP
26 #define SHARE_VM_OOPS_CONSTANTPOOLKLASS_HPP
27
28 #include "oops/arrayKlass.hpp"
29 #include "oops/instanceKlass.hpp"
30
31 // A constantPoolKlass is the klass of a constantPoolOop
32
33 class constantPoolKlass : public Klass {
34 juint _alloc_size; // allocation profiling support
35 public:
36 // Dispatched klass operations
37 bool oop_is_constantPool() const { return true; }
38 int oop_size(oop obj) const;
39 int klass_oop_size() const { return object_size(); }
40
41 // Allocation
42 DEFINE_ALLOCATE_PERMANENT(constantPoolKlass);
43 constantPoolOop allocate(int length, bool is_conc_safe, TRAPS);
44 static klassOop create_klass(TRAPS);
45
46 // Casting from klassOop
47 static constantPoolKlass* cast(klassOop k) {
48 assert(k->klass_part()->oop_is_constantPool(), "cast to constantPoolKlass");
49 return (constantPoolKlass*) k->klass_part();
50 }
68
69 // Allocation profiling support
70 juint alloc_size() const { return _alloc_size; }
71 void set_alloc_size(juint n) { _alloc_size = n; }
72
73 // Printing
74 void oop_print_value_on(oop obj, outputStream* st);
75 void oop_print_on(oop obj, outputStream* st);
76
77 // Verification
78 const char* internal_name() const;
79 void oop_verify_on(oop obj, outputStream* st);
80 // tells whether obj is partially constructed (gc during class loading)
81 bool oop_partially_loaded(oop obj) const;
82 void oop_set_partially_loaded(oop obj);
83 #ifndef PRODUCT
84 // Compile the world support
85 static void preload_and_initialize_all_classes(oop constant_pool, TRAPS);
86 #endif
87 };
88
89 #endif // SHARE_VM_OOPS_CONSTANTPOOLKLASS_HPP
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