1 /*
   2  * Copyright (c) 2017, 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 SHARE_VM_GC_SHARED_C1MODREFBSCODEGEN_HPP
  26 #define SHARE_VM_GC_SHARED_C1MODREFBSCODEGEN_HPP
  27 
  28 #include "gc/shared/c1BarrierSetCodeGen.hpp"
  29 
  30 class C1ModRefBSCodeGen : public C1BarrierSetCodeGen {
  31 protected:
  32   virtual void pre_barrier(LIRGenerator* lir_generator, C1DecoratorSet decorators,
  33                            LIR_Opr addr_opr, LIR_Opr pre_val, CodeEmitInfo* info) {}
  34   virtual void post_barrier(LIRGenerator* lir_generator, C1DecoratorSet decorators,
  35                             LIR_OprDesc* addr, LIR_OprDesc* new_val) {}
  36 
  37   virtual void store_at_resolved(LIRGenerator* lir_generator, C1DecoratorSet decorators, BasicType type,
  38                                  LIR_Opr addr, LIRItem& base, LIR_Opr offset, LIR_Opr value,
  39                                  CodeEmitInfo* patch_info, CodeEmitInfo* store_emit_info);
  40 
  41   virtual LIR_Opr cas_at_resolved(LIRGenerator* lir_generator, C1DecoratorSet decorators, BasicType type,
  42                                   LIR_Opr addr, LIRItem& base, LIRItem& offset, LIRItem& cmp_value, LIRItem& new_value);
  43 
  44   virtual LIR_Opr swap_at_resolved(LIRGenerator* lir_generator, C1DecoratorSet decorators, BasicType type,
  45                                    LIR_Opr addr, LIRItem& base, LIRItem& offset, LIRItem& value);
  46 };
  47 
  48 #endif // SHARE_VM_GC_SHARED_C1MODREFBSCODEGEN_HPP