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_BARRIERSETC1_HPP
26 #define SHARE_GC_SHARED_C1_BARRIERSETC1_HPP
27
28 #include "c1/c1_Decorators.hpp"
29 #include "c1/c1_LIRGenerator.hpp"
30 #include "c1/c1_Instruction.hpp"
31 #include "c1/c1_LIR.hpp"
32 #include "memory/allocation.hpp"
33
34 class LIRGenerator;
35 class LIRItem;
36
37 class BarrierSetC1: public CHeapObj<mtGC> {
38 protected:
39 virtual LIR_Opr resolve_address(LIRGenerator* lir_generator, DecoratorSet decorators, BasicType type,
40 LIRItem& base, LIR_Opr offset, bool resolve_in_register);
41
42 virtual void generate_referent_check(LIRGenerator* lir_generator, LIRItem& base, LIR_Opr offset, LabelObj* cont);
43
44 // Accesses with resolved address
45 virtual void store_at_resolved(LIRGenerator* lir_generator, DecoratorSet decorators, BasicType type,
46 LIR_Opr addr, LIRItem& base, LIR_Opr offset, LIR_Opr value,
47 CodeEmitInfo* patch_info, CodeEmitInfo* store_emit_info);
48
49 virtual void load_at_resolved(LIRGenerator* lir_generator, DecoratorSet decorators, BasicType type,
50 LIR_Opr addr, LIRItem& base, LIR_Opr offset, LIR_Opr result,
51 CodeEmitInfo* patch_info, CodeEmitInfo* load_emit_info);
52
53 virtual LIR_Opr atomic_cmpxchg_resolved(LIRGenerator* lir_generator, DecoratorSet decorators, BasicType type,
54 LIR_Opr addr, LIRItem& base, LIRItem& offset, LIRItem& cmp_value, LIRItem& new_value);
55
56 virtual LIR_Opr atomic_xchg_resolved(LIRGenerator* lir_generator, DecoratorSet decorators, BasicType type,
57 LIR_Opr addr, LIRItem& base, LIRItem& offset, LIRItem& value);
58
59 virtual LIR_Opr atomic_add_at_resolved(LIRGenerator* lir_generator, DecoratorSet decorators, BasicType type,
60 LIR_Opr addr, LIRItem& base, LIRItem& offset, LIRItem& value);
61
62 public:
63 virtual void store_at(LIRGenerator* lir_generator, DecoratorSet decorators, BasicType type,
64 LIRItem& base, LIR_Opr offset, LIR_Opr value,
65 CodeEmitInfo* patch_info, CodeEmitInfo* store_emit_info);
66
67 virtual void load_at(LIRGenerator* lir_generator, DecoratorSet decorators, BasicType type,
68 LIRItem& base, LIR_Opr offset, LIR_Opr result,
69 CodeEmitInfo* patch_info, CodeEmitInfo* load_emit_info);
70
71 virtual LIR_Opr atomic_cmpxchg_at(LIRGenerator* lir_generator, DecoratorSet decorators, BasicType type,
72 LIRItem& base, LIRItem& offset, LIRItem& cmp_value, LIRItem& new_value);
73
74 virtual LIR_Opr atomic_xchg(LIRGenerator* lir_generator, DecoratorSet decorators, BasicType type,
75 LIRItem& base, LIRItem& offset, LIRItem& value);
76
77 virtual LIR_Opr atomic_add_at(LIRGenerator* lir_generator, DecoratorSet decorators, BasicType type,
78 LIRItem& base, LIRItem& offset, LIRItem& value);
79
80 virtual void generate_c1_runtime_stubs(BufferBlob* buffer_blob) {}
81 };
82
83 #endif // SHARE_GC_SHARED_C1_BARRIERSETC1_HPP