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src/hotspot/cpu/aarch64/gc/shenandoah/shenandoahBarrierSetAssembler_aarch64.hpp

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37 class StubCodeGenerator;
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 tmp,
47                               bool tosca_live,
48                               bool expand_call);
49   void shenandoah_write_barrier_pre(MacroAssembler* masm,
50                                     Register obj,
51                                     Register pre_val,
52                                     Register thread,
53                                     Register tmp,
54                                     bool tosca_live,
55                                     bool expand_call);
56 


57   void resolve_forward_pointer(MacroAssembler* masm, Register dst, Register tmp = noreg);
58   void resolve_forward_pointer_not_null(MacroAssembler* masm, Register dst, Register tmp = noreg);
59   void load_reference_barrier(MacroAssembler* masm, Register dst, Address load_addr, DecoratorSet decorators);
60 


61 public:
62 
63   void iu_barrier(MacroAssembler* masm, Register dst, Register tmp);
64 
65   virtual NMethodPatchingType nmethod_patching_type() { return NMethodPatchingType::conc_data_patch; }
66 
67 #ifdef COMPILER1
68   void gen_pre_barrier_stub(LIR_Assembler* ce, ShenandoahPreBarrierStub* stub);
69   void gen_load_reference_barrier_stub(LIR_Assembler* ce, ShenandoahLoadReferenceBarrierStub* stub);
70   void generate_c1_pre_barrier_runtime_stub(StubAssembler* sasm);
71   void generate_c1_load_reference_barrier_runtime_stub(StubAssembler* sasm, DecoratorSet decorators);
72 #endif
73 
74   virtual void arraycopy_prologue(MacroAssembler* masm, DecoratorSet decorators, bool is_oop,
75                                   Register src, Register dst, Register count, RegSet saved_regs);


76   virtual void load_at(MacroAssembler* masm, DecoratorSet decorators, BasicType type,
77                        Register dst, Address src, Register tmp1, Register tmp_thread);
78   virtual void store_at(MacroAssembler* masm, DecoratorSet decorators, BasicType type,
79                         Address dst, Register val, Register tmp1, Register tmp2);
80   virtual void try_resolve_jobject_in_native(MacroAssembler* masm, Register jni_env,
81                                              Register obj, Register tmp, Label& slowpath);
82   void cmpxchg_oop(MacroAssembler* masm, Register addr, Register expected, Register new_val,
83                    bool acquire, bool release, bool is_cae, Register result);
84 };
85 
86 #endif // CPU_AARCH64_GC_SHENANDOAH_SHENANDOAHBARRIERSETASSEMBLER_AARCH64_HPP

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