34
35 class LIR_Assembler;
36 class ShenandoahPreBarrierStub;
37 class ShenandoahLoadReferenceBarrierStub;
38 class StubAssembler;
39
40 #endif
41
42 class StubCodeGenerator;
43
44 class ShenandoahBarrierSetAssembler: public BarrierSetAssembler {
45 private:
46
47 /* ==== Actual barrier implementations ==== */
48 void satb_write_barrier_impl(MacroAssembler* masm, DecoratorSet decorators,
49 Register base, RegisterOrConstant ind_or_offs,
50 Register pre_val,
51 Register tmp1, Register tmp2,
52 MacroAssembler::PreservationLevel preservation_level);
53
54 void load_reference_barrier_impl(MacroAssembler* masm, DecoratorSet decorators,
55 Register base, RegisterOrConstant ind_or_offs,
56 Register dst,
57 Register tmp1, Register tmp2,
58 MacroAssembler::PreservationLevel preservation_level);
59
60 /* ==== Helper methods for barrier implementations ==== */
61 void resolve_forward_pointer_not_null(MacroAssembler* masm, Register dst, Register tmp);
62
63 public:
64
65 /* ==== C1 stubs ==== */
66 #ifdef COMPILER1
67
68 void gen_pre_barrier_stub(LIR_Assembler* ce, ShenandoahPreBarrierStub* stub);
69
70 void gen_load_reference_barrier_stub(LIR_Assembler* ce, ShenandoahLoadReferenceBarrierStub* stub);
71
72 void generate_c1_pre_barrier_runtime_stub(StubAssembler* sasm);
73
74 void generate_c1_load_reference_barrier_runtime_stub(StubAssembler* sasm, DecoratorSet decorators);
75
76 #endif
77
78 /* ==== Available barriers (facades of the actual implementations) ==== */
79 void satb_write_barrier(MacroAssembler* masm,
80 Register base, RegisterOrConstant ind_or_offs,
81 Register tmp1, Register tmp2, Register tmp3,
82 MacroAssembler::PreservationLevel preservation_level);
83
84 void iu_barrier(MacroAssembler* masm,
85 Register val,
86 Register tmp1, Register tmp2,
87 MacroAssembler::PreservationLevel preservation_level, DecoratorSet decorators = 0);
88
89 void load_reference_barrier(MacroAssembler* masm, DecoratorSet decorators,
90 Register base, RegisterOrConstant ind_or_offs,
91 Register dst,
92 Register tmp1, Register tmp2,
93 MacroAssembler::PreservationLevel preservation_level);
94
95 /* ==== Helper methods used by C1 and C2 ==== */
96 void cmpxchg_oop(MacroAssembler* masm, Register base_addr, Register expected, Register new_val,
97 Register tmp1, Register tmp2,
98 bool is_cae, Register result);
99
100 /* ==== Access api ==== */
101 virtual void arraycopy_prologue(MacroAssembler* masm, DecoratorSet decorators, BasicType type,
102 Register src, Register dst, Register count, Register preserve1, Register preserve2);
103
104 virtual void store_at(MacroAssembler* masm, DecoratorSet decorators, BasicType type,
105 Register base, RegisterOrConstant ind_or_offs, Register val,
106 Register tmp1, Register tmp2, Register tmp3,
107 MacroAssembler::PreservationLevel preservation_level);
108
109 virtual void load_at(MacroAssembler* masm, DecoratorSet decorators, BasicType type,
110 Register base, RegisterOrConstant ind_or_offs, Register dst,
111 Register tmp1, Register tmp2,
112 MacroAssembler::PreservationLevel preservation_level, Label* L_handle_null = NULL);
113
114 virtual void try_resolve_jobject_in_native(MacroAssembler* masm, Register dst, Register jni_env,
115 Register obj, Register tmp, Label& slowpath);
116 };
117
118 #endif // CPU_PPC_GC_SHENANDOAH_SHENANDOAHBARRIERSETASSEMBLER_PPC_HPP
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34
35 class LIR_Assembler;
36 class ShenandoahPreBarrierStub;
37 class ShenandoahLoadReferenceBarrierStub;
38 class StubAssembler;
39
40 #endif
41
42 class StubCodeGenerator;
43
44 class ShenandoahBarrierSetAssembler: public BarrierSetAssembler {
45 private:
46
47 /* ==== Actual barrier implementations ==== */
48 void satb_write_barrier_impl(MacroAssembler* masm, DecoratorSet decorators,
49 Register base, RegisterOrConstant ind_or_offs,
50 Register pre_val,
51 Register tmp1, Register tmp2,
52 MacroAssembler::PreservationLevel preservation_level);
53
54 void store_check(MacroAssembler* masm,
55 Register base, RegisterOrConstant ind_or_offs,
56 Register tmp);
57
58 void load_reference_barrier_impl(MacroAssembler* masm, DecoratorSet decorators,
59 Register base, RegisterOrConstant ind_or_offs,
60 Register dst,
61 Register tmp1, Register tmp2,
62 MacroAssembler::PreservationLevel preservation_level);
63
64 /* ==== Helper methods for barrier implementations ==== */
65 void resolve_forward_pointer_not_null(MacroAssembler* masm, Register dst, Register tmp);
66
67 void gen_write_ref_array_post_barrier(MacroAssembler* masm, DecoratorSet decorators,
68 Register addr, Register count,
69 Register preserve);
70
71 public:
72
73 /* ==== C1 stubs ==== */
74 #ifdef COMPILER1
75
76 void gen_pre_barrier_stub(LIR_Assembler* ce, ShenandoahPreBarrierStub* stub);
77
78 void gen_load_reference_barrier_stub(LIR_Assembler* ce, ShenandoahLoadReferenceBarrierStub* stub);
79
80 void generate_c1_pre_barrier_runtime_stub(StubAssembler* sasm);
81
82 void generate_c1_load_reference_barrier_runtime_stub(StubAssembler* sasm, DecoratorSet decorators);
83
84 #endif
85
86 /* ==== Available barriers (facades of the actual implementations) ==== */
87 void satb_write_barrier(MacroAssembler* masm,
88 Register base, RegisterOrConstant ind_or_offs,
89 Register tmp1, Register tmp2, Register tmp3,
90 MacroAssembler::PreservationLevel preservation_level);
91
92 void iu_barrier(MacroAssembler* masm,
93 Register val,
94 Register tmp1, Register tmp2,
95 MacroAssembler::PreservationLevel preservation_level, DecoratorSet decorators = 0);
96
97 void load_reference_barrier(MacroAssembler* masm, DecoratorSet decorators,
98 Register base, RegisterOrConstant ind_or_offs,
99 Register dst,
100 Register tmp1, Register tmp2,
101 MacroAssembler::PreservationLevel preservation_level);
102
103 /* ==== Helper methods used by C1 and C2 ==== */
104 void cmpxchg_oop(MacroAssembler* masm, Register base_addr, Register expected, Register new_val,
105 Register tmp1, Register tmp2,
106 bool is_cae, Register result);
107
108 /* ==== Access api ==== */
109 virtual void arraycopy_prologue(MacroAssembler* masm, DecoratorSet decorators, BasicType type,
110 Register src, Register dst, Register count,
111 Register preserve1, Register preserve2);
112 virtual void arraycopy_epilogue(MacroAssembler* masm, DecoratorSet decorators, BasicType type,
113 Register dst, Register count,
114 Register preserve);
115
116 virtual void store_at(MacroAssembler* masm, DecoratorSet decorators, BasicType type,
117 Register base, RegisterOrConstant ind_or_offs, Register val,
118 Register tmp1, Register tmp2, Register tmp3,
119 MacroAssembler::PreservationLevel preservation_level);
120
121 virtual void load_at(MacroAssembler* masm, DecoratorSet decorators, BasicType type,
122 Register base, RegisterOrConstant ind_or_offs, Register dst,
123 Register tmp1, Register tmp2,
124 MacroAssembler::PreservationLevel preservation_level, Label* L_handle_null = NULL);
125
126 virtual void try_resolve_jobject_in_native(MacroAssembler* masm, Register dst, Register jni_env,
127 Register obj, Register tmp, Label& slowpath);
128 };
129
130 #endif // CPU_PPC_GC_SHENANDOAH_SHENANDOAHBARRIERSETASSEMBLER_PPC_HPP
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