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 #ifdef COMPILER1
66 void gen_pre_barrier_stub(LIR_Assembler* ce, ShenandoahPreBarrierStub* stub);
67 void gen_load_reference_barrier_stub(LIR_Assembler* ce, ShenandoahLoadReferenceBarrierStub* stub);
68 void generate_c1_pre_barrier_runtime_stub(StubAssembler* sasm);
69 void generate_c1_load_reference_barrier_runtime_stub(StubAssembler* sasm, DecoratorSet decorators);
70 #endif
71
72 virtual void arraycopy_prologue(MacroAssembler* masm, DecoratorSet decorators, bool is_oop,
73 Register src, Register dst, Register count, RegSet saved_regs);
74 virtual void load_at(MacroAssembler* masm, DecoratorSet decorators, BasicType type,
75 Register dst, Address src, Register tmp1, Register tmp_thread);
76 virtual void store_at(MacroAssembler* masm, DecoratorSet decorators, BasicType type,
77 Address dst, Register val, Register tmp1, Register tmp2);
78 virtual void try_resolve_jobject_in_native(MacroAssembler* masm, Register jni_env,
79 Register obj, Register tmp, Label& slowpath);
80 void cmpxchg_oop(MacroAssembler* masm, Register addr, Register expected, Register new_val,
81 bool acquire, bool release, bool is_cae, Register result);
82 };
83
84 #endif // 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 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 #ifdef COMPILER1
70 void gen_pre_barrier_stub(LIR_Assembler* ce, ShenandoahPreBarrierStub* stub);
71 void gen_load_reference_barrier_stub(LIR_Assembler* ce, ShenandoahLoadReferenceBarrierStub* stub);
72 void generate_c1_pre_barrier_runtime_stub(StubAssembler* sasm);
73 void generate_c1_load_reference_barrier_runtime_stub(StubAssembler* sasm, DecoratorSet decorators);
74 #endif
75
76 virtual void arraycopy_prologue(MacroAssembler* masm, DecoratorSet decorators, bool is_oop,
77 Register src, Register dst, Register count, RegSet saved_regs);
78 virtual void arraycopy_epilogue(MacroAssembler* masm, DecoratorSet decorators, bool is_oop,
79 Register start, Register count, Register tmp, RegSet saved_regs);
80 virtual void load_at(MacroAssembler* masm, DecoratorSet decorators, BasicType type,
81 Register dst, Address src, Register tmp1, Register tmp_thread);
82 virtual void store_at(MacroAssembler* masm, DecoratorSet decorators, BasicType type,
83 Address dst, Register val, Register tmp1, Register tmp2);
84 virtual void try_resolve_jobject_in_native(MacroAssembler* masm, Register jni_env,
85 Register obj, Register tmp, Label& slowpath);
86 void cmpxchg_oop(MacroAssembler* masm, Register addr, Register expected, Register new_val,
87 bool acquire, bool release, bool is_cae, Register result);
88 };
89
90 #endif // CPU_AARCH64_GC_SHENANDOAH_SHENANDOAHBARRIERSETASSEMBLER_AARCH64_HPP
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