40
41 class ShenandoahBarrierSetAssembler: public BarrierSetAssembler {
42 private:
43
44 void satb_write_barrier_pre(MacroAssembler* masm,
45 Register obj,
46 Register pre_val,
47 Register thread,
48 Register tmp1,
49 Register tmp2,
50 bool tosca_live,
51 bool expand_call);
52 void shenandoah_write_barrier_pre(MacroAssembler* masm,
53 Register obj,
54 Register pre_val,
55 Register thread,
56 Register tmp,
57 bool tosca_live,
58 bool expand_call);
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 public:
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
78 virtual void load_at(MacroAssembler* masm, DecoratorSet decorators, BasicType type,
79 Register dst, Address src, Register tmp1, Register tmp2);
80 virtual void store_at(MacroAssembler* masm, DecoratorSet decorators, BasicType type,
81 Address dst, Register val, Register tmp1, Register tmp2, Register tmp3);
82
83 virtual void try_resolve_jobject_in_native(MacroAssembler* masm, Register jni_env,
84 Register obj, Register tmp, Label& slowpath);
85
86 void cmpxchg_oop(MacroAssembler* masm, Register addr, Register expected, Register new_val,
87 Assembler::Aqrl acquire, Assembler::Aqrl release, bool is_cae, Register result);
88 };
89
90 #endif // CPU_RISCV_GC_SHENANDOAH_SHENANDOAHBARRIERSETASSEMBLER_RISCV_HPP
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40
41 class ShenandoahBarrierSetAssembler: public BarrierSetAssembler {
42 private:
43
44 void satb_write_barrier_pre(MacroAssembler* masm,
45 Register obj,
46 Register pre_val,
47 Register thread,
48 Register tmp1,
49 Register tmp2,
50 bool tosca_live,
51 bool expand_call);
52 void shenandoah_write_barrier_pre(MacroAssembler* masm,
53 Register obj,
54 Register pre_val,
55 Register thread,
56 Register tmp,
57 bool tosca_live,
58 bool expand_call);
59
60 void store_check(MacroAssembler* masm, Register obj);
61
62 void resolve_forward_pointer(MacroAssembler* masm, Register dst, Register tmp = noreg);
63 void resolve_forward_pointer_not_null(MacroAssembler* masm, Register dst, Register tmp = noreg);
64 void load_reference_barrier(MacroAssembler* masm, Register dst, Address load_addr, DecoratorSet decorators);
65
66 void gen_write_ref_array_post_barrier(MacroAssembler* masm, DecoratorSet decorators,
67 Register start, Register count,
68 Register tmp, RegSet saved_regs);
69
70 public:
71
72 virtual NMethodPatchingType nmethod_patching_type() { return NMethodPatchingType::conc_data_patch; }
73
74 #ifdef COMPILER1
75 void gen_pre_barrier_stub(LIR_Assembler* ce, ShenandoahPreBarrierStub* stub);
76 void gen_load_reference_barrier_stub(LIR_Assembler* ce, ShenandoahLoadReferenceBarrierStub* stub);
77 void generate_c1_pre_barrier_runtime_stub(StubAssembler* sasm);
78 void generate_c1_load_reference_barrier_runtime_stub(StubAssembler* sasm, DecoratorSet decorators);
79 #endif
80
81 virtual void arraycopy_prologue(MacroAssembler* masm, DecoratorSet decorators, bool is_oop,
82 Register src, Register dst, Register count, RegSet saved_regs);
83
84 virtual void arraycopy_epilogue(MacroAssembler* masm, DecoratorSet decorators, bool is_oop,
85 Register start, Register count, Register tmp, RegSet saved_regs);
86
87 virtual void load_at(MacroAssembler* masm, DecoratorSet decorators, BasicType type,
88 Register dst, Address src, Register tmp1, Register tmp2);
89 virtual void store_at(MacroAssembler* masm, DecoratorSet decorators, BasicType type,
90 Address dst, Register val, Register tmp1, Register tmp2, Register tmp3);
91
92 virtual void try_resolve_jobject_in_native(MacroAssembler* masm, Register jni_env,
93 Register obj, Register tmp, Label& slowpath);
94
95 void cmpxchg_oop(MacroAssembler* masm, Register addr, Register expected, Register new_val,
96 Assembler::Aqrl acquire, Assembler::Aqrl release, bool is_cae, Register result);
97 };
98
99 #endif // CPU_RISCV_GC_SHENANDOAH_SHENANDOAHBARRIERSETASSEMBLER_RISCV_HPP
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