1 /*
2 * Copyright (c) 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 #ifndef CPU_AARCH64_GC_Z_ZBARRIERSETASSEMBLER_AARCH64_HPP
25 #define CPU_AARCH64_GC_Z_ZBARRIERSETASSEMBLER_AARCH64_HPP
26
27 #include "code/vmreg.hpp"
28 #include "oops/accessDecorators.hpp"
29 #ifdef COMPILER2
30 #include "opto/optoreg.hpp"
31 #endif // COMPILER2
32
33 #ifdef COMPILER1
34 class LIR_Assembler;
35 class LIR_OprDesc;
36 typedef LIR_OprDesc* LIR_Opr;
37 class StubAssembler;
38 class ZLoadBarrierStubC1;
39 #endif // COMPILER1
40
41 #ifdef COMPILER2
42 class Node;
43 class ZLoadBarrierStubC2;
44 #endif // COMPILER2
45
46 class ZBarrierSetAssembler : public ZBarrierSetAssemblerBase {
47 public:
48 virtual void load_at(MacroAssembler* masm,
49 DecoratorSet decorators,
50 BasicType type,
51 Register dst,
52 Address src,
53 Register tmp1,
54 Register tmp_thread);
55
56 #ifdef ASSERT
57 virtual void store_at(MacroAssembler* masm,
58 DecoratorSet decorators,
59 BasicType type,
60 Address dst,
61 Register val,
62 Register tmp1,
63 Register tmp2);
64 #endif // ASSERT
65
66 virtual void arraycopy_prologue(MacroAssembler* masm,
67 DecoratorSet decorators,
68 bool is_oop,
69 Register src,
70 Register dst,
71 Register count,
72 RegSet saved_regs);
73
74 virtual void try_resolve_jobject_in_native(MacroAssembler* masm,
75 Register jni_env,
76 Register robj,
77 Register tmp,
78 Label& slowpath);
79
80 #ifdef COMPILER1
81 void generate_c1_load_barrier_test(LIR_Assembler* ce,
82 LIR_Opr ref) const;
83
84 void generate_c1_load_barrier_stub(LIR_Assembler* ce,
85 ZLoadBarrierStubC1* stub) const;
86
87 void generate_c1_load_barrier_runtime_stub(StubAssembler* sasm,
88 DecoratorSet decorators) const;
89 #endif // COMPILER1
90
91 #ifdef COMPILER2
92 OptoReg::Name refine_register(const Node* node,
93 OptoReg::Name opto_reg);
94
95 void generate_c2_load_barrier_stub(MacroAssembler* masm,
96 ZLoadBarrierStubC2* stub) const;
97 #endif // COMPILER2
98 };
99
100 #endif // CPU_AARCH64_GC_Z_ZBARRIERSETASSEMBLER_AARCH64_HPP