1 /*
 2  * Copyright (c) 2017, 2025, 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
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23  */
24 #ifndef SHARE_VM_OOPS_INLINEKLASS_INLINE_HPP
25 #define SHARE_VM_OOPS_INLINEKLASS_INLINE_HPP
26 
27 #include "oops/inlineKlass.hpp"
28 
29 #include "oops/instanceKlass.inline.hpp"
30 #include "utilities/devirtualizer.inline.hpp"
31 
32 inline address InlineKlass::payload_addr(oop o) const {
33   return cast_from_oop<address>(o) + payload_offset();
34 }
35 
36 template <typename T, class OopClosureType>
37 void InlineKlass::oop_iterate_specialized(const address oop_addr, OopClosureType* closure) {
38   OopMapBlock* map = start_of_nonstatic_oop_maps();
39   OopMapBlock* const end_map = map + nonstatic_oop_map_count();
40 
41   for (; map < end_map; map++) {
42     T* p = (T*) (oop_addr + map->offset());
43     T* const end = p + map->count();
44     for (; p < end; ++p) {
45       Devirtualizer::do_oop(closure, p);
46     }
47   }
48 }
49 
50 template <typename T, class OopClosureType>
51 inline void InlineKlass::oop_iterate_specialized_bounded(const address oop_addr, OopClosureType* closure, void* lo, void* hi) {
52   OopMapBlock* map = start_of_nonstatic_oop_maps();
53   OopMapBlock* const end_map = map + nonstatic_oop_map_count();
54 
55   T* const l   = (T*) lo;
56   T* const h   = (T*) hi;
57 
58   for (; map < end_map; map++) {
59     T* p = (T*) (oop_addr + map->offset());
60     T* end = p + map->count();
61     if (p < l) {
62       p = l;
63     }
64     if (end > h) {
65       end = h;
66     }
67     for (; p < end; ++p) {
68       Devirtualizer::do_oop(closure, p);
69     }
70   }
71 }
72 
73 
74 #endif // SHARE_VM_OOPS_INLINEKLASS_INLINE_HPP