38
39 class ShenandoahBarrierSetAssembler: public BarrierSetAssembler {
40 private:
41
42 void satb_write_barrier_pre(MacroAssembler* masm,
43 Register obj,
44 Register pre_val,
45 Register thread,
46 Register tmp1,
47 Register tmp2,
48 bool tosca_live,
49 bool expand_call);
50 void shenandoah_write_barrier_pre(MacroAssembler* masm,
51 Register obj,
52 Register pre_val,
53 Register thread,
54 Register tmp,
55 bool tosca_live,
56 bool expand_call);
57
58 void resolve_forward_pointer(MacroAssembler* masm, Register dst, Register tmp = noreg);
59 void resolve_forward_pointer_not_null(MacroAssembler* masm, Register dst, Register tmp = noreg);
60 void load_reference_barrier(MacroAssembler* masm, Register dst, Address load_addr, DecoratorSet decorators);
61
62 public:
63
64 void iu_barrier(MacroAssembler* masm, Register dst, Register tmp);
65
66 virtual NMethodPatchingType nmethod_patching_type() { return NMethodPatchingType::conc_data_patch; }
67
68 #ifdef COMPILER1
69 void gen_pre_barrier_stub(LIR_Assembler* ce, ShenandoahPreBarrierStub* stub);
70 void gen_load_reference_barrier_stub(LIR_Assembler* ce, ShenandoahLoadReferenceBarrierStub* stub);
71 void generate_c1_pre_barrier_runtime_stub(StubAssembler* sasm);
72 void generate_c1_load_reference_barrier_runtime_stub(StubAssembler* sasm, DecoratorSet decorators);
73 #endif
74
75 virtual void arraycopy_prologue(MacroAssembler* masm, DecoratorSet decorators, bool is_oop,
76 Register src, Register dst, Register count, RegSet saved_regs);
77 virtual void load_at(MacroAssembler* masm, DecoratorSet decorators, BasicType type,
78 Register dst, Address src, Register tmp1, Register tmp2);
79 virtual void store_at(MacroAssembler* masm, DecoratorSet decorators, BasicType type,
80 Address dst, Register val, Register tmp1, Register tmp2, Register tmp3);
81 virtual void try_resolve_jobject_in_native(MacroAssembler* masm, Register jni_env,
82 Register obj, Register tmp, Label& slowpath);
83 void cmpxchg_oop(MacroAssembler* masm, Register addr, Register expected, Register new_val,
84 bool acquire, bool release, bool is_cae, Register result);
85 };
86
87 #endif // CPU_AARCH64_GC_SHENANDOAH_SHENANDOAHBARRIERSETASSEMBLER_AARCH64_HPP
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38
39 class ShenandoahBarrierSetAssembler: public BarrierSetAssembler {
40 private:
41
42 void satb_write_barrier_pre(MacroAssembler* masm,
43 Register obj,
44 Register pre_val,
45 Register thread,
46 Register tmp1,
47 Register tmp2,
48 bool tosca_live,
49 bool expand_call);
50 void shenandoah_write_barrier_pre(MacroAssembler* masm,
51 Register obj,
52 Register pre_val,
53 Register thread,
54 Register tmp,
55 bool tosca_live,
56 bool expand_call);
57
58 void store_check(MacroAssembler* masm, Register obj);
59
60 void resolve_forward_pointer(MacroAssembler* masm, Register dst, Register tmp = noreg);
61 void resolve_forward_pointer_not_null(MacroAssembler* masm, Register dst, Register tmp = noreg);
62 void load_reference_barrier(MacroAssembler* masm, Register dst, Address load_addr, DecoratorSet decorators);
63
64 void gen_write_ref_array_post_barrier(MacroAssembler* masm, DecoratorSet decorators, Register start, Register count, Register scratch, RegSet saved_regs);
65
66 public:
67
68 void iu_barrier(MacroAssembler* masm, Register dst, Register tmp);
69
70 virtual NMethodPatchingType nmethod_patching_type() { return NMethodPatchingType::conc_data_patch; }
71
72 #ifdef COMPILER1
73 void gen_pre_barrier_stub(LIR_Assembler* ce, ShenandoahPreBarrierStub* stub);
74 void gen_load_reference_barrier_stub(LIR_Assembler* ce, ShenandoahLoadReferenceBarrierStub* stub);
75 void generate_c1_pre_barrier_runtime_stub(StubAssembler* sasm);
76 void generate_c1_load_reference_barrier_runtime_stub(StubAssembler* sasm, DecoratorSet decorators);
77 #endif
78
79 virtual void arraycopy_prologue(MacroAssembler* masm, DecoratorSet decorators, bool is_oop,
80 Register src, Register dst, Register count, RegSet saved_regs);
81 virtual void arraycopy_epilogue(MacroAssembler* masm, DecoratorSet decorators, bool is_oop,
82 Register start, Register count, Register tmp, RegSet saved_regs);
83 virtual void load_at(MacroAssembler* masm, DecoratorSet decorators, BasicType type,
84 Register dst, Address src, Register tmp1, Register tmp2);
85 virtual void store_at(MacroAssembler* masm, DecoratorSet decorators, BasicType type,
86 Address dst, Register val, Register tmp1, Register tmp2, Register tmp3);
87 virtual void try_resolve_jobject_in_native(MacroAssembler* masm, Register jni_env,
88 Register obj, Register tmp, Label& slowpath);
89 void cmpxchg_oop(MacroAssembler* masm, Register addr, Register expected, Register new_val,
90 bool acquire, bool release, bool is_cae, Register result);
91 };
92
93 #endif // CPU_AARCH64_GC_SHENANDOAH_SHENANDOAHBARRIERSETASSEMBLER_AARCH64_HPP
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