1 /*
   2  * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  *
  23  */
  24 
  25 #ifndef CPU_SPARC_VM_GC_G1_G1BSCODEGEN_SPARC_HPP
  26 #define CPU_SPARC_VM_GC_G1_G1BSCODEGEN_SPARC_HPP
  27 
  28 #include "asm/macroAssembler.hpp"
  29 #include "gc/shared/modRefBSCodeGen.hpp"
  30 
  31 class LIR_Assembler;
  32 class StubAssembler;
  33 class G1PreBarrierStub;
  34 class G1PostBarrierStub;
  35 
  36 class G1BSCodeGen: public ModRefBSCodeGen {
  37 protected:
  38   virtual void gen_write_ref_array_pre_barrier(MacroAssembler* masm, DecoratorSet decorators, Register addr, Register count);
  39   virtual void gen_write_ref_array_post_barrier(MacroAssembler* masm, DecoratorSet decorators, Register addr, Register count, Register tmp);
  40 
  41   void g1_write_barrier_pre(MacroAssembler* masm, Register obj, Register index, int offset, Register pre_val, Register tmp, bool preserve_o_regs);
  42   void g1_write_barrier_post(MacroAssembler* masm, Register store_addr, Register new_val, Register tmp);
  43 
  44   virtual void oop_store_at(MacroAssembler* masm, DecoratorSet decorators, BasicType type,
  45                             Register base, Register index, int offset, Register val, Register tmp);
  46 
  47 public:
  48   void gen_g1_pre_barrier_stub(LIR_Assembler* ce, G1PreBarrierStub* stub);
  49   void gen_g1_post_barrier_stub(LIR_Assembler* ce, G1PostBarrierStub* stub);
  50 
  51   void generate_c1_pre_barrier_runtime_stub(StubAssembler* sasm);
  52   void generate_c1_post_barrier_runtime_stub(StubAssembler* sasm);
  53 
  54   virtual void load_at(MacroAssembler* masm, DecoratorSet decorators, BasicType type,
  55                        Register base, Register index, int offset, Register dst, Register tmp);
  56 };
  57 
  58 #endif // CPU_SPARC_VM_GC_G1_G1BSCODEGEN_SPARC_HPP
  59