1 /*
 2  * Copyright (c) 2018, 2019, Oracle and/or its affiliates. All rights reserved.
 3  * Copyright (c) 2020, 2021, Huawei Technologies Co., Ltd. All rights reserved.
 4  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 5  *
 6  * This code is free software; you can redistribute it and/or modify it
 7  * under the terms of the GNU General Public License version 2 only, as
 8  * published by the Free Software Foundation.
 9  *
10  * This code is distributed in the hope that it will be useful, but WITHOUT
11  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
13  * version 2 for more details (a copy is included in the LICENSE file that
14  * accompanied this code).
15  *
16  * You should have received a copy of the GNU General Public License version
17  * 2 along with this work; if not, write to the Free Software Foundation,
18  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
19  *
20  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
21  * or visit www.oracle.com if you need additional information or have any
22  * questions.
23  *
24  */
25 
26 #include "precompiled.hpp"
27 #include "asm/macroAssembler.inline.hpp"
28 #include "gc/shared/modRefBarrierSetAssembler.hpp"
29 
30 #define __ masm->
31 
32 void ModRefBarrierSetAssembler::arraycopy_prologue(MacroAssembler* masm, DecoratorSet decorators, bool is_oop,
33                                                    Register src, Register dst, Register count, RegSet saved_regs) {
34 
35   if (is_oop) {
36     gen_write_ref_array_pre_barrier(masm, decorators, dst, count, saved_regs);
37   }
38 }
39 
40 void ModRefBarrierSetAssembler::arraycopy_epilogue(MacroAssembler* masm, DecoratorSet decorators, bool is_oop,
41                                                    Register start, Register count, Register tmp,
42                                                    RegSet saved_regs) {
43   if (is_oop) {
44     gen_write_ref_array_post_barrier(masm, decorators, start, count, tmp, saved_regs);
45   }
46 }
47 
48 void ModRefBarrierSetAssembler::store_at(MacroAssembler* masm, DecoratorSet decorators, BasicType type,
49                                          Address dst, Register val, Register tmp1, Register tmp2) {
50   if (is_reference_type(type)) {
51     oop_store_at(masm, decorators, type, dst, val, tmp1, tmp2);
52   } else {
53     BarrierSetAssembler::store_at(masm, decorators, type, dst, val, tmp1, tmp2);
54   }
55 }