1 /*
   2  * Copyright (c) 2017, 2018, 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_BARRIERSETCONFIG_HPP
  26 #define SHARE_VM_GC_SHARED_BARRIERSETCONFIG_HPP
  27 
  28 #include "utilities/macros.hpp"
  29 
  30 // Do something for each concrete barrier set part of the build.
  31 #define FOR_EACH_CONCRETE_BARRIER_SET_DO(f)          \
  32   f(CardTableBarrierSet)                             \
  33   EPSILONGC_ONLY(f(EpsilonBarrierSet))               \
  34   G1GC_ONLY(f(G1BarrierSet))                         \
  35   ZGC_ONLY(f(ZBarrierSet))                           \
  36   SHENANDOAHGC_ONLY(f(ShenandoahBarrierSet))
  37 
  38 #define FOR_EACH_ABSTRACT_BARRIER_SET_DO(f)          \
  39   f(ModRef)
  40 
  41 // Do something for each known barrier set.
  42 #define FOR_EACH_BARRIER_SET_DO(f)    \
  43   FOR_EACH_ABSTRACT_BARRIER_SET_DO(f) \
  44   FOR_EACH_CONCRETE_BARRIER_SET_DO(f)
  45 
  46 // To enable runtime-resolution of GC barriers on primitives, please
  47 // define SUPPORT_BARRIER_ON_PRIMITIVES.
  48 #ifdef SUPPORT_BARRIER_ON_PRIMITIVES
  49 #define ACCESS_PRIMITIVE_SUPPORT INTERNAL_BT_BARRIER_ON_PRIMITIVES
  50 #else
  51 #define ACCESS_PRIMITIVE_SUPPORT INTERNAL_EMPTY
  52 #endif
  53 
  54 #ifdef SUPPORT_NOT_TO_SPACE_INVARIANT
  55 #define ACCESS_TO_SPACE_INVARIANT_SUPPORT INTERNAL_EMPTY
  56 #else
  57 #define ACCESS_TO_SPACE_INVARIANT_SUPPORT INTERNAL_BT_TO_SPACE_INVARIANT
  58 #endif
  59 
  60 #define BT_BUILDTIME_DECORATORS (ACCESS_PRIMITIVE_SUPPORT | ACCESS_TO_SPACE_INVARIANT_SUPPORT)
  61 
  62 #endif // SHARE_VM_GC_SHARED_BARRIERSETCONFIG_HPP