1 /*
2 * Copyright (c) 2018, 2021, Red Hat, Inc. All rights reserved.
3 * Copyright Amazon.com Inc. or its affiliates. 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_X86_GC_SHENANDOAH_SHENANDOAHBARRIERSETASSEMBLER_X86_HPP
27 #define CPU_X86_GC_SHENANDOAH_SHENANDOAHBARRIERSETASSEMBLER_X86_HPP
28
29 #include "asm/macroAssembler.hpp"
30 #include "gc/shared/barrierSetAssembler.hpp"
31 #include "gc/shenandoah/shenandoahBarrierSet.hpp"
32
33 #ifdef COMPILER1
34 class LIR_Assembler;
35 class ShenandoahPreBarrierStub;
36 class ShenandoahLoadReferenceBarrierStub;
37 class StubAssembler;
38 #endif
39 #ifdef COMPILER2
40 class MachNode;
41 #endif
42 class StubCodeGenerator;
43
44 class ShenandoahBarrierSetAssembler: public BarrierSetAssembler {
45 private:
46
47 void satb_barrier(MacroAssembler* masm,
48 Register obj,
49 Register pre_val,
50 Register tmp,
51 bool tosca_live,
52 bool expand_call);
53
54 void card_barrier(MacroAssembler* masm, Register obj);
55
56 void gen_write_ref_array_post_barrier(MacroAssembler* masm, DecoratorSet decorators,
57 Register addr, Register count,
58 Register tmp);
59
60 public:
61 #ifdef COMPILER1
62 void gen_pre_barrier_stub(LIR_Assembler* ce, ShenandoahPreBarrierStub* stub);
63 void gen_load_reference_barrier_stub(LIR_Assembler* ce, ShenandoahLoadReferenceBarrierStub* stub);
64 void generate_c1_pre_barrier_runtime_stub(StubAssembler* sasm);
65 void generate_c1_load_reference_barrier_runtime_stub(StubAssembler* sasm, DecoratorSet decorators);
66 #endif
67
68 void load_reference_barrier(MacroAssembler* masm, Register dst, Address src, DecoratorSet decorators);
69
70 void cmpxchg_oop(MacroAssembler* masm,
71 Register res, Address addr, Register oldval, Register newval,
72 bool exchange, Register tmp1, Register tmp2);
73 #ifdef COMPILER2
74 void gc_state_check_c2(MacroAssembler* masm, const char test_state, BarrierStubC2* slow_stub);
75
76 void load_ref_barrier_c2(const MachNode* node, MacroAssembler* masm, Register obj, Register addr, Register tmp1, Register tmp2, Register tmp3, bool narrow);
77 void satb_barrier_c2(const MachNode* node, MacroAssembler* masm,
78 Register addr, Register preval, Register tmp);
79 void card_barrier_c2(const MachNode* node, MacroAssembler* masm,
80 Register addr, Register addr_tmp, Register tmp);
81 void cmpxchg_oop_c2(const MachNode* node, MacroAssembler* masm,
82 Register res, Address addr, Register oldval, Register newval, Register tmp1, Register tmp2,
83 bool exchange);
84 void load_c2(const MachNode* node, MacroAssembler* masm, Register dst, Address src, bool narrow, Register tmp);
85 void store_c2(const MachNode* node, MacroAssembler* masm, Address dst, bool dst_narrow, Register src, bool src_narrow, Register tmp);
86 #endif
87 virtual void arraycopy_prologue(MacroAssembler* masm, DecoratorSet decorators, BasicType type,
88 Register src, Register dst, Register count);
89 virtual void arraycopy_epilogue(MacroAssembler* masm, DecoratorSet decorators, BasicType type,
90 Register src, Register dst, Register count);
91 virtual void load_at(MacroAssembler* masm, DecoratorSet decorators, BasicType type,
92 Register dst, Address src, Register tmp1);
93 virtual void store_at(MacroAssembler* masm, DecoratorSet decorators, BasicType type,
94 Address dst, Register val, Register tmp1, Register tmp2, Register tmp3);
95 virtual void try_resolve_jobject_in_native(MacroAssembler* masm, Register jni_env,
96 Register obj, Register tmp, Label& slowpath);
97 };
98
99 #endif // CPU_X86_GC_SHENANDOAH_SHENANDOAHBARRIERSETASSEMBLER_X86_HPP