1 /*
2 * Copyright (c) 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 #ifndef CPU_RISCV_GC_Z_ZBARRIERSETASSEMBLER_RISCV_HPP
27 #define CPU_RISCV_GC_Z_ZBARRIERSETASSEMBLER_RISCV_HPP
28
29 #include "code/vmreg.hpp"
30 #include "oops/accessDecorators.hpp"
31 #ifdef COMPILER2
32 #include "opto/optoreg.hpp"
33 #endif // COMPILER2
34
35 #ifdef COMPILER1
36 class LIR_Assembler;
37 class LIR_OprDesc;
38 typedef LIR_OprDesc* LIR_Opr;
39 class StubAssembler;
40 class ZLoadBarrierStubC1;
41 #endif // COMPILER1
42
43 #ifdef COMPILER2
44 class Node;
45 class ZLoadBarrierStubC2;
46 #endif // COMPILER2
47
48 class ZBarrierSetAssembler : public ZBarrierSetAssemblerBase {
49 public:
50 virtual void load_at(MacroAssembler* masm,
51 DecoratorSet decorators,
52 BasicType type,
53 Register dst,
54 Address src,
55 Register tmp1,
56 Register tmp_thread);
57
58 #ifdef ASSERT
59 virtual void store_at(MacroAssembler* masm,
60 DecoratorSet decorators,
61 BasicType type,
62 Address dst,
63 Register val,
64 Register tmp1,
65 Register tmp2);
66 #endif // ASSERT
67
68 virtual void arraycopy_prologue(MacroAssembler* masm,
69 DecoratorSet decorators,
70 bool is_oop,
71 Register src,
72 Register dst,
73 Register count,
74 RegSet saved_regs);
75
76 virtual void try_resolve_jobject_in_native(MacroAssembler* masm,
77 Register jni_env,
78 Register robj,
79 Register tmp,
80 Label& slowpath);
81
82 #ifdef COMPILER1
83 void generate_c1_load_barrier_test(LIR_Assembler* ce,
84 LIR_Opr ref) const;
85
86 void generate_c1_load_barrier_stub(LIR_Assembler* ce,
87 ZLoadBarrierStubC1* stub) const;
88
89 void generate_c1_load_barrier_runtime_stub(StubAssembler* sasm,
90 DecoratorSet decorators) const;
91 #endif // COMPILER1
92
93 #ifdef COMPILER2
94 OptoReg::Name refine_register(const Node* node,
95 OptoReg::Name opto_reg);
96
97 void generate_c2_load_barrier_stub(MacroAssembler* masm,
98 ZLoadBarrierStubC2* stub) const;
99 #endif // COMPILER2
100 };
101
102 #endif // CPU_RISCV_GC_Z_ZBARRIERSETASSEMBLER_RISCV_HPP