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 // An instanceKlassKlass is the klass of an instanceKlass
26
27 class instanceKlassKlass : public klassKlass {
28 public:
29 // Dispatched operation
30 bool oop_is_klass() const { return true; }
31 bool oop_is_instanceKlass() const { return true; }
32
33 int oop_size(oop obj) const;
34 int klass_oop_size() const { return object_size(); }
35
36 // Allocation
37 DEFINE_ALLOCATE_PERMANENT(instanceKlassKlass);
38 static klassOop create_klass(TRAPS);
39 klassOop allocate_instance_klass(int vtable_len,
40 int itable_len,
41 int static_field_size,
42 unsigned int nonstatic_oop_map_count,
43 ReferenceType rt,
44 TRAPS);
66 int oop_oop_iterate_m(oop obj, OopClosure* blk, MemRegion mr);
67
68 private:
69 // Apply closure to the InstanceKlass oops that are outside the java heap.
70 inline void iterate_c_heap_oops(instanceKlass* ik, OopClosure* closure);
71
72 public:
73 // Printing
74 void oop_print_value_on(oop obj, outputStream* st);
75 #ifndef PRODUCT
76 void oop_print_on(oop obj, outputStream* st);
77 #endif
78
79 // Verification
80 const char* internal_name() const;
81 void oop_verify_on(oop obj, outputStream* st);
82 // tells whether obj is partially constructed (gc during class loading)
83 bool oop_partially_loaded(oop obj) const;
84 void oop_set_partially_loaded(oop obj);
85 };
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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_INSTANCEKLASSKLASS_HPP
26 #define SHARE_VM_OOPS_INSTANCEKLASSKLASS_HPP
27
28 #include "oops/klassKlass.hpp"
29
30 // An instanceKlassKlass is the klass of an instanceKlass
31
32 class instanceKlassKlass : public klassKlass {
33 public:
34 // Dispatched operation
35 bool oop_is_klass() const { return true; }
36 bool oop_is_instanceKlass() const { return true; }
37
38 int oop_size(oop obj) const;
39 int klass_oop_size() const { return object_size(); }
40
41 // Allocation
42 DEFINE_ALLOCATE_PERMANENT(instanceKlassKlass);
43 static klassOop create_klass(TRAPS);
44 klassOop allocate_instance_klass(int vtable_len,
45 int itable_len,
46 int static_field_size,
47 unsigned int nonstatic_oop_map_count,
48 ReferenceType rt,
49 TRAPS);
71 int oop_oop_iterate_m(oop obj, OopClosure* blk, MemRegion mr);
72
73 private:
74 // Apply closure to the InstanceKlass oops that are outside the java heap.
75 inline void iterate_c_heap_oops(instanceKlass* ik, OopClosure* closure);
76
77 public:
78 // Printing
79 void oop_print_value_on(oop obj, outputStream* st);
80 #ifndef PRODUCT
81 void oop_print_on(oop obj, outputStream* st);
82 #endif
83
84 // Verification
85 const char* internal_name() const;
86 void oop_verify_on(oop obj, outputStream* st);
87 // tells whether obj is partially constructed (gc during class loading)
88 bool oop_partially_loaded(oop obj) const;
89 void oop_set_partially_loaded(oop obj);
90 };
91
92 #endif // SHARE_VM_OOPS_INSTANCEKLASSKLASS_HPP
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