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
21  * questions.
22  *
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/flatArrayOop.inline.hpp"
33 #include "oops/objArrayKlass.inline.hpp"
34 #include "oops/oop.inline.hpp"
35 #include "oops/refArrayKlass.inline.hpp"
36 #include "runtime/globals.hpp"
37 
38 inline HeapWord* objArrayOopDesc::base() const { return (HeapWord*) arrayOopDesc::base(T_OBJECT); }
39 
40 inline objArrayOop objArrayOopDesc::cast(oop o) {
41   assert(o->is_objArray(), "Must be a refArray");
42   return (objArrayOop)o;
43 }
44 
45 template <class T> T* objArrayOopDesc::obj_at_addr(int index) const {
46   assert(is_within_bounds(index), "index %d out of bounds %d", index, length());
47   return &((T*)base())[index];
48 }
49 
50 inline oop objArrayOopDesc::obj_at(int index) const {
51   assert(is_within_bounds(index), "index %d out of bounds %d", index, length());
52   if (is_flatArray()) {
53     return ((const flatArrayOopDesc* )this)->obj_at(index);
54   } else {
55     return ((const refArrayOopDesc* )this)->obj_at(index);
56   }
57 }
58 
59 inline oop objArrayOopDesc::obj_at(int index, TRAPS) const {
60   assert(is_within_bounds(index), "index %d out of bounds %d", index, length());
61   if (is_flatArray()) {
62     return ((const flatArrayOopDesc* )this)->obj_at(index, CHECK_NULL);
63   } else {
64     return ((const refArrayOopDesc* )this)->obj_at(index, CHECK_NULL);
65   }
66 }
67 
68 inline void objArrayOopDesc::obj_at_put(int index, oop value) {
69   assert(is_within_bounds(index), "index %d out of bounds %d", index, length());
70   if (is_flatArray()) {
71     ((flatArrayOopDesc* )this)->obj_at_put(index, value);
72   } else {
73     ((refArrayOopDesc* )this)->obj_at_put(index, value);
74   }
75 }
76 
77 inline void objArrayOopDesc::obj_at_put(int index, oop value, TRAPS) {
78   assert(is_within_bounds(index), "index %d out of bounds %d", index, length());
79   if (is_flatArray()) {
80     ((flatArrayOopDesc* )this)->obj_at_put(index, value, CHECK);
81   } else {
82     ((refArrayOopDesc* )this)->obj_at_put(index, value, CHECK);
83   }
84 }
85 
86 template <typename OopClosureType>
87 void objArrayOopDesc::oop_iterate_elements_range(OopClosureType* blk, int start, int end) {
88   ShouldNotReachHere();
89 }
90 
91 #endif // SHARE_OOPS_OBJARRAYOOP_INLINE_HPP