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src/hotspot/share/gc/z/zBarrier.hpp

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 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 #ifndef SHARE_GC_Z_ZBARRIER_HPP
 25 #define SHARE_GC_Z_ZBARRIER_HPP
 26 
 27 #include "memory/allocation.hpp"
 28 #include "memory/iterator.hpp"
 29 #include "oops/oop.hpp"

 30 
 31 typedef bool (*ZBarrierFastPath)(uintptr_t);
 32 typedef uintptr_t (*ZBarrierSlowPath)(uintptr_t);
 33 
 34 class ZBarrier : public AllStatic {
 35 private:
 36   static const bool GCThread    = true;
 37   static const bool AnyThread   = false;
 38 
 39   static const bool Follow      = true;
 40   static const bool DontFollow  = false;
 41 
 42   static const bool Strong      = false;
 43   static const bool Finalizable = true;
 44 
 45   static const bool Publish     = true;
 46   static const bool Overflow    = false;
 47 
 48   template <ZBarrierFastPath fast_path> static void self_heal(volatile oop* p, uintptr_t addr, uintptr_t heal_addr);
 49 

 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 #ifndef SHARE_GC_Z_ZBARRIER_HPP
 25 #define SHARE_GC_Z_ZBARRIER_HPP
 26 
 27 #include "memory/allocation.hpp"
 28 #include "memory/iterator.hpp"
 29 #include "oops/oop.hpp"
 30 #include "oops/inlineKlass.hpp"
 31 
 32 typedef bool (*ZBarrierFastPath)(uintptr_t);
 33 typedef uintptr_t (*ZBarrierSlowPath)(uintptr_t);
 34 
 35 class ZBarrier : public AllStatic {
 36 private:
 37   static const bool GCThread    = true;
 38   static const bool AnyThread   = false;
 39 
 40   static const bool Follow      = true;
 41   static const bool DontFollow  = false;
 42 
 43   static const bool Strong      = false;
 44   static const bool Finalizable = true;
 45 
 46   static const bool Publish     = true;
 47   static const bool Overflow    = false;
 48 
 49   template <ZBarrierFastPath fast_path> static void self_heal(volatile oop* p, uintptr_t addr, uintptr_t heal_addr);
 50 
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