1 /*

     1 /*

     3  *

     3  *

     4  * This code is free software; you can redistribute it and/or modify it

     4  * This code is free software; you can redistribute it and/or modify it

     5  * under the terms of the GNU General Public License version 2 only, as

     5  * under the terms of the GNU General Public License version 2 only, as

     6  * published by the Free Software Foundation.

     6  * published by the Free Software Foundation.

     7  *

     7  *

    56 

    56 

    57   void resolve_forward_pointer(MacroAssembler* masm, Register dst, Register tmp = noreg);

    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);

    58   void resolve_forward_pointer_not_null(MacroAssembler* masm, Register dst, Register tmp = noreg);

    59   void load_reference_barrier(MacroAssembler* masm, Register dst, Register tmp);

    59   void load_reference_barrier(MacroAssembler* masm, Register dst, Register tmp);

    60   void load_reference_barrier_not_null(MacroAssembler* masm, Register dst, Register tmp);

    60   void load_reference_barrier_not_null(MacroAssembler* masm, Register dst, Register tmp);

    61 

    62 

    62   address generate_shenandoah_lrb(StubCodeGenerator* cgen);

    63   address generate_shenandoah_lrb(StubCodeGenerator* cgen);

    63 

    64 

    64 public:

    65 public:

    65   static address shenandoah_lrb();

    66   static address shenandoah_lrb();

    68 

    69 

    69 #ifdef COMPILER1

    70 #ifdef COMPILER1

    70   void gen_pre_barrier_stub(LIR_Assembler* ce, ShenandoahPreBarrierStub* stub);

    71   void gen_pre_barrier_stub(LIR_Assembler* ce, ShenandoahPreBarrierStub* stub);

    71   void gen_load_reference_barrier_stub(LIR_Assembler* ce, ShenandoahLoadReferenceBarrierStub* stub);

    72   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_pre_barrier_runtime_stub(StubAssembler* sasm);

    73 #endif

    75 #endif

    74 

    76 

    75   virtual void arraycopy_prologue(MacroAssembler* masm, DecoratorSet decorators, bool is_oop,

    77   virtual void arraycopy_prologue(MacroAssembler* masm, DecoratorSet decorators, bool is_oop,

    76                                   Register src, Register dst, Register count, RegSet saved_regs);

    78                                   Register src, Register dst, Register count, RegSet saved_regs);

    79   virtual void load_at(MacroAssembler* masm, DecoratorSet decorators, BasicType type,

    79   virtual void load_at(MacroAssembler* masm, DecoratorSet decorators, BasicType type,

    80                        Register dst, Address src, Register tmp1, Register tmp_thread);

    80                        Register dst, Address src, Register tmp1, Register tmp_thread);

    81   virtual void store_at(MacroAssembler* masm, DecoratorSet decorators, BasicType type,

    81   virtual void store_at(MacroAssembler* masm, DecoratorSet decorators, BasicType type,

    82                         Address dst, Register val, Register tmp1, Register tmp2);

    82                         Address dst, Register val, Register tmp1, Register tmp2);

    83   void cmpxchg_oop(MacroAssembler* masm, Register addr, Register expected, Register new_val,

    85   void cmpxchg_oop(MacroAssembler* masm, Register addr, Register expected, Register new_val,

    84                    bool acquire, bool release, bool weak, bool is_cae, Register result);

    86                    bool acquire, bool release, bool weak, bool is_cae, Register result);

    85 

    87 

    86   virtual void barrier_stubs_init();

    88   virtual void barrier_stubs_init();

    87 };

    89 };