1 /*
 2  * Copyright (c) 2015, 2020, 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 
25 #ifndef SHARE_OOPS_OBJARRAYOOP_INLINE_HPP
26 #define SHARE_OOPS_OBJARRAYOOP_INLINE_HPP
27 
28 #include "oops/objArrayOop.hpp"
29 
30 #include "oops/access.hpp"
31 #include "oops/arrayOop.hpp"
32 #include "oops/oop.inline.hpp"
33 #include "runtime/globals.hpp"
34 
35 inline HeapWord* objArrayOopDesc::base() const { return (HeapWord*) arrayOopDesc::base(T_OBJECT); }
36 
37 template <class T> T* objArrayOopDesc::obj_at_addr(int index) const {
38   assert(is_within_bounds(index), "index %d out of bounds %d", index, length());
39   return &((T*)base())[index];
40 }
41 
42 inline oop objArrayOopDesc::obj_at(int index) const {
43   assert(is_within_bounds(index), "index %d out of bounds %d", index, length());
44   ptrdiff_t offset = UseCompressedOops ? obj_at_offset<narrowOop>(index) : obj_at_offset<oop>(index);
45   return HeapAccess<IS_ARRAY>::oop_load_at(as_oop(), offset);
46 }
47 
48 inline void objArrayOopDesc::obj_at_put(int index, oop value) {
49   assert(is_within_bounds(index), "index %d out of bounds %d", index, length());
50   ptrdiff_t offset = UseCompressedOops ? obj_at_offset<narrowOop>(index) : obj_at_offset<oop>(index);
51   HeapAccess<IS_ARRAY>::oop_store_at(as_oop(), offset, value);
52 }
53 
54 #endif // SHARE_OOPS_OBJARRAYOOP_INLINE_HPP