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

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  12  * accompanied this code).
  13  *
  14  * You should have received a copy of the GNU General Public License version
  15  * 2 along with this work; if not, write to the Free Software Foundation,
  16  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  17  *
  18  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  19  * or visit www.oracle.com if you need additional information or have any
  20  * questions.
  21  *
  22  */
  23 
  24 #ifndef CPU_AARCH64_GC_SHENANDOAH_SHENANDOAHBARRIERSETASSEMBLER_AARCH64_HPP
  25 #define CPU_AARCH64_GC_SHENANDOAH_SHENANDOAHBARRIERSETASSEMBLER_AARCH64_HPP
  26 
  27 #include "asm/macroAssembler.hpp"
  28 #include "gc/shared/barrierSetAssembler.hpp"
  29 #ifdef COMPILER1
  30 class LIR_Assembler;
  31 class ShenandoahPreBarrierStub;
  32 class ShenandoahWriteBarrierStub;
  33 class StubAssembler;
  34 class StubCodeGenerator;
  35 #endif
  36 
  37 class ShenandoahBarrierSetAssembler: public BarrierSetAssembler {
  38 private:
  39 
  40   static address _shenandoah_wb;
  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 read_barrier(MacroAssembler* masm, Register dst);
  58   void read_barrier_impl(MacroAssembler* masm, Register dst);
  59   void read_barrier_not_null(MacroAssembler* masm, Register dst);
  60   void read_barrier_not_null_impl(MacroAssembler* masm, Register dst);
  61   void write_barrier(MacroAssembler* masm, Register dst);
  62   void write_barrier_impl(MacroAssembler* masm, Register dst);
  63   void storeval_barrier(MacroAssembler* masm, Register dst, Register tmp);
  64   void asm_acmp_barrier(MacroAssembler* masm, Register op1, Register op2);
  65 
  66   address generate_shenandoah_wb(StubCodeGenerator* cgen);
  67 
  68 public:
  69   static address shenandoah_wb();


  70 
  71 #ifdef COMPILER1
  72   void gen_pre_barrier_stub(LIR_Assembler* ce, ShenandoahPreBarrierStub* stub);
  73   void gen_write_barrier_stub(LIR_Assembler* ce, ShenandoahWriteBarrierStub* stub);
  74   void generate_c1_pre_barrier_runtime_stub(StubAssembler* sasm);
  75 #endif
  76 
  77   virtual void arraycopy_prologue(MacroAssembler* masm, DecoratorSet decorators, bool is_oop,
  78                                   Register addr, Register count, RegSet saved_regs);
  79   virtual void arraycopy_epilogue(MacroAssembler* masm, DecoratorSet decorators, bool is_oop,
  80                                   Register start, Register end, Register tmp, RegSet saved_regs);
  81   virtual void load_at(MacroAssembler* masm, DecoratorSet decorators, BasicType type,
  82                        Register dst, Address src, Register tmp1, Register tmp_thread);
  83   virtual void store_at(MacroAssembler* masm, DecoratorSet decorators, BasicType type,
  84                         Address dst, Register val, Register tmp1, Register tmp2);
  85   virtual void obj_equals(MacroAssembler* masm, Register src1, Register src2);
  86   virtual void resolve(MacroAssembler* masm, DecoratorSet decorators, Register obj);
  87   virtual void tlab_allocate(MacroAssembler* masm, Register obj,
  88                              Register var_size_in_bytes,
  89                              int con_size_in_bytes,
  90                              Register t1,
  91                              Register t2,
  92                              Label& slow_case);
  93 
  94   void cmpxchg_oop(MacroAssembler* masm, Register addr, Register expected, Register new_val,
  95                    bool acquire, bool release, bool weak, bool encode,
  96                    Register tmp1, Register tmp2, Register tmp3 = rscratch2,
  97                    Register result = noreg);
  98 
  99   virtual void barrier_stubs_init();
 100 };
 101 
 102 #endif // CPU_AARCH64_GC_SHENANDOAH_SHENANDOAHBARRIERSETASSEMBLER_AARCH64_HPP


  12  * accompanied this code).
  13  *
  14  * You should have received a copy of the GNU General Public License version
  15  * 2 along with this work; if not, write to the Free Software Foundation,
  16  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  17  *
  18  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  19  * or visit www.oracle.com if you need additional information or have any
  20  * questions.
  21  *
  22  */
  23 
  24 #ifndef CPU_AARCH64_GC_SHENANDOAH_SHENANDOAHBARRIERSETASSEMBLER_AARCH64_HPP
  25 #define CPU_AARCH64_GC_SHENANDOAH_SHENANDOAHBARRIERSETASSEMBLER_AARCH64_HPP
  26 
  27 #include "asm/macroAssembler.hpp"
  28 #include "gc/shared/barrierSetAssembler.hpp"
  29 #ifdef COMPILER1
  30 class LIR_Assembler;
  31 class ShenandoahPreBarrierStub;
  32 class ShenandoahLoadReferenceBarrierStub;
  33 class StubAssembler;
  34 class StubCodeGenerator;
  35 #endif
  36 
  37 class ShenandoahBarrierSetAssembler: public BarrierSetAssembler {
  38 private:
  39 
  40   static address _shenandoah_lrb;
  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);
  58   void resolve_forward_pointer_not_null(MacroAssembler* masm, Register dst);
  59   void load_reference_barrier(MacroAssembler* masm, Register dst, Register tmp);
  60   void load_reference_barrier_not_null(MacroAssembler* masm, Register dst, Register tmp);




  61 
  62   address generate_shenandoah_lrb(StubCodeGenerator* cgen);
  63 
  64 public:
  65   static address shenandoah_lrb();
  66 
  67   void storeval_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 #endif
  74 
  75   virtual void arraycopy_prologue(MacroAssembler* masm, DecoratorSet decorators, bool is_oop,
  76                                   Register addr, Register count, RegSet saved_regs);
  77   virtual void arraycopy_epilogue(MacroAssembler* masm, DecoratorSet decorators, bool is_oop,
  78                                   Register start, Register end, Register tmp, RegSet saved_regs);
  79   virtual void load_at(MacroAssembler* masm, DecoratorSet decorators, BasicType type,
  80                        Register dst, Address src, Register tmp1, Register tmp_thread);
  81   virtual void store_at(MacroAssembler* masm, DecoratorSet decorators, BasicType type,
  82                         Address dst, Register val, Register tmp1, Register tmp2);


  83   virtual void tlab_allocate(MacroAssembler* masm, Register obj,
  84                              Register var_size_in_bytes,
  85                              int con_size_in_bytes,
  86                              Register t1,
  87                              Register t2,
  88                              Label& slow_case);
  89 
  90   void cmpxchg_oop(MacroAssembler* masm, Register addr, Register expected, Register new_val,
  91                    bool acquire, bool release, bool weak, bool is_cae, Register result);


  92 
  93   virtual void barrier_stubs_init();
  94 };
  95 
  96 #endif // CPU_AARCH64_GC_SHENANDOAH_SHENANDOAHBARRIERSETASSEMBLER_AARCH64_HPP
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