1 /*
 2  * Copyright (c) 2018, 2019, 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
21  * questions.
22  *
23  */
24 
25 #include "precompiled.hpp"
26 #include "asm/macroAssembler.inline.hpp"
27 #include "gc/shared/modRefBarrierSetAssembler.hpp"
28 
29 #define __ masm->
30 
31 void ModRefBarrierSetAssembler::arraycopy_prologue(MacroAssembler* masm, DecoratorSet decorators, bool is_oop,
32                                                    Register src, Register dst, Register count, RegSet saved_regs) {
33 
34   if (is_oop) {
35     gen_write_ref_array_pre_barrier(masm, decorators, dst, count, saved_regs);
36   }
37 }
38 
39 void ModRefBarrierSetAssembler::arraycopy_epilogue(MacroAssembler* masm, DecoratorSet decorators, bool is_oop,
40                                                    Register start, Register count, Register tmp,
41                                                    RegSet saved_regs) {
42   if (is_oop) {
43     gen_write_ref_array_post_barrier(masm, decorators, start, count, tmp, saved_regs);
44   }
45 }
46 
47 void ModRefBarrierSetAssembler::store_at(MacroAssembler* masm, DecoratorSet decorators, BasicType type,
48                                          Address dst, Register val, Register tmp1, Register tmp2, Register tmp3) {
49   if (is_reference_type(type)) {
50     oop_store_at(masm, decorators, type, dst, val, tmp1, tmp2, tmp3);
51   } else {
52     BarrierSetAssembler::store_at(masm, decorators, type, dst, val, tmp1, tmp2, tmp3);
53   }
54 }