1 /*
 2  * Copyright (c) 2018, 2020, 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 
25 #ifndef SHARE_VM_OOPS_FLATARRAYOOP_INLINE_HPP
26 #define SHARE_VM_OOPS_FLATARRAYOOP_INLINE_HPP
27 
28 #include "oops/access.inline.hpp"
29 #include "oops/flatArrayOop.hpp"
30 #include "oops/inlineKlass.inline.hpp"
31 #include "oops/oop.inline.hpp"
32 #include "runtime/globals.hpp"
33 
34 inline void* flatArrayOopDesc::base() const { return arrayOopDesc::base(T_INLINE_TYPE); }
35 
36 inline void* flatArrayOopDesc::value_at_addr(int index, jint lh) const {
37   assert(is_within_bounds(index), "index out of bounds");
38 
39   address addr = (address) base();
40   addr += (index << Klass::layout_helper_log2_element_size(lh));
41   return (void*) addr;
42 }
43 
44 inline int flatArrayOopDesc::object_size() const {
45   return object_size(klass()->layout_helper(), length());
46 }
47 
48 inline oop flatArrayOopDesc::value_alloc_copy_from_index(flatArrayHandle vah, int index, TRAPS) {
49   FlatArrayKlass* vaklass = FlatArrayKlass::cast(vah->klass());
50   InlineKlass* vklass = vaklass->element_klass();
51   if (vklass->is_empty_inline_type()) {
52     return vklass->default_value();
53   } else {
54     oop buf = vklass->allocate_instance_buffer(CHECK_NULL);
55     vklass->inline_copy_payload_to_new_oop(vah->value_at_addr(index, vaklass->layout_helper()), buf);
56     return buf;
57   }
58 }
59 
60 inline void flatArrayOopDesc::value_copy_from_index(int index, oop dst) const {
61   FlatArrayKlass* vaklass = FlatArrayKlass::cast(klass());
62   InlineKlass* vklass = vaklass->element_klass();
63   void* src = value_at_addr(index, vaklass->layout_helper());
64   return vklass->inline_copy_payload_to_new_oop(src, dst);
65 }
66 
67 inline void flatArrayOopDesc::value_copy_to_index(oop src, int index) const {
68   FlatArrayKlass* vaklass = FlatArrayKlass::cast(klass());
69   InlineKlass* vklass = vaklass->element_klass();
70   if (vklass->is_empty_inline_type()) {
71     return;
72   }
73   void* dst = value_at_addr(index, vaklass->layout_helper());
74   vklass->inline_copy_oop_to_payload(src, dst);
75 }
76 
77 
78 
79 #endif // SHARE_VM_OOPS_FLATARRAYOOP_INLINE_HPP