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src/hotspot/cpu/aarch64/gc/shared/modRefBarrierSetAssembler_aarch64.hpp

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23  */
24 
25 #ifndef CPU_AARCH64_GC_SHARED_MODREFBARRIERSETASSEMBLER_AARCH64_HPP
26 #define CPU_AARCH64_GC_SHARED_MODREFBARRIERSETASSEMBLER_AARCH64_HPP
27 
28 #include "asm/macroAssembler.hpp"
29 #include "gc/shared/barrierSetAssembler.hpp"
30 
31 // The ModRefBarrierSetAssembler filters away accesses on BasicTypes other
32 // than T_OBJECT/T_ARRAY (oops). The oop accesses call one of the protected
33 // accesses, which are overridden in the concrete BarrierSetAssembler.
34 
35 class ModRefBarrierSetAssembler: public BarrierSetAssembler {
36 protected:
37   virtual void gen_write_ref_array_pre_barrier(MacroAssembler* masm, DecoratorSet decorators,
38                                                Register addr, Register count, RegSet saved_regs) {}
39   virtual void gen_write_ref_array_post_barrier(MacroAssembler* masm, DecoratorSet decorators,
40                                                 Register start, Register count, Register tmp, RegSet saved_regs) {}
41 
42   virtual void oop_store_at(MacroAssembler* masm, DecoratorSet decorators, BasicType type,
43                             Address dst, Register val, Register tmp1, Register tmp2) = 0;
44 
45 public:
46   virtual void arraycopy_prologue(MacroAssembler* masm, DecoratorSet decorators, bool is_oop,
47                                   Register src, Register dst, Register count, RegSet saved_regs);
48   virtual void arraycopy_epilogue(MacroAssembler* masm, DecoratorSet decorators, bool is_oop,
49                                   Register start, Register count, Register tmp, RegSet saved_regs);
50   virtual void store_at(MacroAssembler* masm, DecoratorSet decorators, BasicType type,
51                         Address dst, Register val, Register tmp1, Register tmp2);
52 };
53 
54 #endif // CPU_AARCH64_GC_SHARED_MODREFBARRIERSETASSEMBLER_AARCH64_HPP

23  */
24 
25 #ifndef CPU_AARCH64_GC_SHARED_MODREFBARRIERSETASSEMBLER_AARCH64_HPP
26 #define CPU_AARCH64_GC_SHARED_MODREFBARRIERSETASSEMBLER_AARCH64_HPP
27 
28 #include "asm/macroAssembler.hpp"
29 #include "gc/shared/barrierSetAssembler.hpp"
30 
31 // The ModRefBarrierSetAssembler filters away accesses on BasicTypes other
32 // than T_OBJECT/T_ARRAY (oops). The oop accesses call one of the protected
33 // accesses, which are overridden in the concrete BarrierSetAssembler.
34 
35 class ModRefBarrierSetAssembler: public BarrierSetAssembler {
36 protected:
37   virtual void gen_write_ref_array_pre_barrier(MacroAssembler* masm, DecoratorSet decorators,
38                                                Register addr, Register count, RegSet saved_regs) {}
39   virtual void gen_write_ref_array_post_barrier(MacroAssembler* masm, DecoratorSet decorators,
40                                                 Register start, Register count, Register tmp, RegSet saved_regs) {}
41 
42   virtual void oop_store_at(MacroAssembler* masm, DecoratorSet decorators, BasicType type,
43                             Address dst, Register val, Register tmp1, Register tmp2, Register tmp3) = 0;
44 
45 public:
46   virtual void arraycopy_prologue(MacroAssembler* masm, DecoratorSet decorators, bool is_oop,
47                                   Register src, Register dst, Register count, RegSet saved_regs);
48   virtual void arraycopy_epilogue(MacroAssembler* masm, DecoratorSet decorators, bool is_oop,
49                                   Register start, Register count, Register tmp, RegSet saved_regs);
50   virtual void store_at(MacroAssembler* masm, DecoratorSet decorators, BasicType type,
51                         Address dst, Register val, Register tmp1, Register tmp2, Register tmp3);
52 };
53 
54 #endif // CPU_AARCH64_GC_SHARED_MODREFBARRIERSETASSEMBLER_AARCH64_HPP
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