src/hotspot/share/gc/shenandoah/shenandoahRuntime.hpp
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     1 /*
       
     2  * Copyright (c) 2018, Red Hat, Inc. All rights reserved.
       
     3  *
       
     4  * This code is free software; you can redistribute it and/or modify it
       
     5  * under the terms of the GNU General Public License version 2 only, as
       
     6  * published by the Free Software Foundation.
       
     7  *
       
     8  * This code is distributed in the hope that it will be useful, but WITHOUT
       
     9  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
       
    10  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
       
    11  * version 2 for more details (a copy is included in the LICENSE file that
       
    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 SHARE_VM_GC_SHENANDOAH_SHENANDOAHRUNTIME_HPP
       
    25 #define SHARE_VM_GC_SHENANDOAH_SHENANDOAHRUNTIME_HPP
       
    26 
       
    27 #include "memory/allocation.hpp"
       
    28 #include "oops/oopsHierarchy.hpp"
       
    29 
       
    30 class HeapWord;
       
    31 class JavaThread;
       
    32 class oopDesc;
       
    33 
       
    34 class ShenandoahRuntime : public AllStatic {
       
    35 public:
       
    36   static void write_ref_array_pre_oop_entry(oop* dst, size_t length);
       
    37   static void write_ref_array_pre_narrow_oop_entry(narrowOop* dst, size_t length);
       
    38   static void write_ref_array_post_entry(HeapWord* dst, size_t length);
       
    39   static void write_ref_field_pre_entry(oopDesc* orig, JavaThread* thread);
       
    40 
       
    41   static oopDesc* write_barrier_JRT(oopDesc* src);
       
    42 
       
    43   static void shenandoah_clone_barrier(oopDesc* obj);
       
    44 };
       
    45 
       
    46 #endif // SHARE_VM_GC_SHENANDOAH_SHENANDOAHRUNTIME_HPP