g1BarrierSetAssembler_ppc.hpp

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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
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 * 2 along with this work; if not, write to the Free Software Foundation,
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#ifndef CPU_PPC_GC_G1_G1BARRIERSETASSEMBLER_PPC_HPP
#define CPU_PPC_GC_G1_G1BARRIERSETASSEMBLER_PPC_HPP

#include "asm/macroAssembler.hpp"
#include "gc/shared/modRefBarrierSetAssembler.hpp"
#include "utilities/macros.hpp"

class LIR_Assembler;
class StubAssembler;
class G1PreBarrierStub;
class G1PostBarrierStub;

class G1BarrierSetAssembler: public ModRefBarrierSetAssembler {
protected:
  virtual void gen_write_ref_array_pre_barrier(MacroAssembler* masm, DecoratorSet decorators,
                                               Register from, Register to, Register count,
                                               Register preserve1, Register preserve2);
  virtual void gen_write_ref_array_post_barrier(MacroAssembler* masm, DecoratorSet decorators,
                                                Register addr, Register count,
                                                Register preserve);

  void g1_write_barrier_pre(MacroAssembler* masm, DecoratorSet decorators,
                            Register obj, RegisterOrConstant ind_or_offs, Register pre_val,
                            Register tmp1, Register tmp2,
                            MacroAssembler::PreservationLevel preservation_level);
  void g1_write_barrier_post(MacroAssembler* masm, DecoratorSet decorators,
                             Register store_addr, Register new_val,
                             Register tmp1, Register tmp2, Register tmp3,
                             MacroAssembler::PreservationLevel preservation_level);

  virtual void oop_store_at(MacroAssembler* masm, DecoratorSet decorators, BasicType type,
                            Register base, RegisterOrConstant ind_or_offs, Register val,
                            Register tmp1, Register tmp2, Register tmp3,
                            MacroAssembler::PreservationLevel preservation_level);

public:
#ifdef COMPILER1
  void gen_pre_barrier_stub(LIR_Assembler* ce, G1PreBarrierStub* stub);
  void gen_post_barrier_stub(LIR_Assembler* ce, G1PostBarrierStub* stub);

  void generate_c1_pre_barrier_runtime_stub(StubAssembler* sasm);
  void generate_c1_post_barrier_runtime_stub(StubAssembler* sasm);
#endif

  virtual void load_at(MacroAssembler* masm, DecoratorSet decorators, BasicType type,
                       Register base, RegisterOrConstant ind_or_offs, Register dst,
                       Register tmp1, Register tmp2,
                       MacroAssembler::PreservationLevel preservation_level,
                       Label *L_handle_null = NULL);

  virtual void resolve_jobject(MacroAssembler* masm, Register value,
                               Register tmp1, Register tmp2,
                               MacroAssembler::PreservationLevel preservation_level);
};

#endif // CPU_PPC_GC_G1_G1BARRIERSETASSEMBLER_PPC_HPP