|
49906
|
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 |
// The ModRefBarrierSetC1 filters away accesses on BasicTypes other
|
|
|
31 |
// than T_OBJECT/T_ARRAY (oops). The oop accesses call one of the protected
|
|
|
32 |
// accesses, which are overridden in the concrete BarrierSetAssembler.
|
|
|
33 |
|
|
|
34 |
class ModRefBarrierSetC1 : public BarrierSetC1 {
|
|
|
35 |
protected:
|
|
|
36 |
virtual void pre_barrier(LIRAccess& access, LIR_Opr addr_opr,
|
|
|
37 |
LIR_Opr pre_val, CodeEmitInfo* info) {}
|
|
|
38 |
virtual void post_barrier(LIRAccess& access, LIR_OprDesc* addr,
|
|
|
39 |
LIR_OprDesc* new_val) {}
|
|
|
40 |
|
|
|
41 |
virtual LIR_Opr resolve_address(LIRAccess& access, bool resolve_in_register);
|
|
|
42 |
|
|
|
43 |
virtual void store_at_resolved(LIRAccess& access, LIR_Opr value);
|
|
|
44 |
|
|
|
45 |
virtual LIR_Opr atomic_cmpxchg_at_resolved(LIRAccess& access, LIRItem& cmp_value, LIRItem& new_value);
|
|
|
46 |
|
|
|
47 |
virtual LIR_Opr atomic_xchg_at_resolved(LIRAccess& access, LIRItem& value);
|
|
|
48 |
};
|
|
|
49 |
|
|
|
50 |
#endif // SHARE_GC_SHARED_C1_MODREFBARRIERSETC1_HPP
|