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