1 /*
2 * Copyright (c) 2018, 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 #ifndef SHARE_GC_SHARED_C1_MODREFBARRIERSETC1_HPP
26 #define SHARE_GC_SHARED_C1_MODREFBARRIERSETC1_HPP
27
28 #include "gc/shared/c1/barrierSetC1.hpp"
29
30 class ModRefBarrierSetC1 : public BarrierSetC1 {
31 public:
32 virtual void pre_barrier(LIRGenerator* lir_generator, DecoratorSet decorators,
33 LIR_Opr addr_opr, LIR_Opr pre_val, CodeEmitInfo* info) {}
34 virtual void post_barrier(LIRGenerator* lir_generator, DecoratorSet decorators,
35 LIR_OprDesc* addr, LIR_OprDesc* new_val) {}
36
37 protected:
38 virtual void store_at_resolved(LIRGenerator* lir_generator, DecoratorSet decorators, BasicType type,
39 LIR_Opr addr, LIRItem& base, LIR_Opr offset, LIR_Opr value,
40 CodeEmitInfo* patch_info, CodeEmitInfo* store_emit_info);
41
42 virtual LIR_Opr atomic_cmpxchg_resolved(LIRGenerator* lir_generator, DecoratorSet decorators, BasicType type,
43 LIR_Opr addr, LIRItem& base, LIRItem& offset, LIRItem& cmp_value, LIRItem& new_value);
44
45 virtual LIR_Opr atomic_xchg_resolved(LIRGenerator* lir_generator, DecoratorSet decorators, BasicType type,
46 LIR_Opr addr, LIRItem& base, LIRItem& offset, LIRItem& value);
47
48 public:
49 void store_at(LIRGenerator *lir_generator, DecoratorSet decorators, BasicType type,
50 LIRItem& base, LIR_Opr offset, LIR_Opr value,
51 CodeEmitInfo* patch_info, CodeEmitInfo* store_emit_info);
52 };
53
54 #endif // SHARE_GC_SHARED_C1_MODREFBARRIERSETC1_HPP