src/share/vm/gc_implementation/g1/g1RemSet.inline.hpp

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   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 inline size_t G1RemSet::n_workers() {
  26   if (_g1->workers() != NULL) {
  27     return _g1->workers()->total_workers();
  28   } else {
  29     return 1;
  30   }
  31 }
  32 
  33 template <class T>
  34 inline void G1RemSet::write_ref_nv(HeapRegion* from, T* p) {
  35   par_write_ref_nv(from, p, 0);
  36 }
  37 
  38 inline bool G1RemSet::self_forwarded(oop obj) {
  39   bool result =  (obj->is_forwarded() && (obj->forwardee()== obj));
  40   return result;
  41 }
  42 
  43 template <class T>
  44 inline void G1RemSet::par_write_ref_nv(HeapRegion* from, T* p, int tid) {


  91       to->rem_set()->add_reference(p, tid);
  92     }
  93   }
  94 }
  95 
  96 template <class T>
  97 inline void UpdateRSOopClosure::do_oop_work(T* p) {
  98   assert(_from != NULL, "from region must be non-NULL");
  99   _rs->par_write_ref(_from, p, _worker_i);
 100 }
 101 
 102 template <class T>
 103 inline void UpdateRSetImmediate::do_oop_work(T* p) {
 104   assert(_from->is_in_reserved(p), "paranoia");
 105   T heap_oop = oopDesc::load_heap_oop(p);
 106   if (!oopDesc::is_null(heap_oop) && !_from->is_survivor()) {
 107     _g1_rem_set->par_write_ref(_from, p, 0);
 108   }
 109 }
 110 




   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_IMPLEMENTATION_G1_G1REMSET_INLINE_HPP
  26 #define SHARE_VM_GC_IMPLEMENTATION_G1_G1REMSET_INLINE_HPP
  27 
  28 #include "gc_implementation/g1/g1RemSet.hpp"
  29 #include "gc_implementation/g1/heapRegionRemSet.hpp"
  30 #include "oops/oop.inline.hpp"
  31 
  32 inline size_t G1RemSet::n_workers() {
  33   if (_g1->workers() != NULL) {
  34     return _g1->workers()->total_workers();
  35   } else {
  36     return 1;
  37   }
  38 }
  39 
  40 template <class T>
  41 inline void G1RemSet::write_ref_nv(HeapRegion* from, T* p) {
  42   par_write_ref_nv(from, p, 0);
  43 }
  44 
  45 inline bool G1RemSet::self_forwarded(oop obj) {
  46   bool result =  (obj->is_forwarded() && (obj->forwardee()== obj));
  47   return result;
  48 }
  49 
  50 template <class T>
  51 inline void G1RemSet::par_write_ref_nv(HeapRegion* from, T* p, int tid) {


  98       to->rem_set()->add_reference(p, tid);
  99     }
 100   }
 101 }
 102 
 103 template <class T>
 104 inline void UpdateRSOopClosure::do_oop_work(T* p) {
 105   assert(_from != NULL, "from region must be non-NULL");
 106   _rs->par_write_ref(_from, p, _worker_i);
 107 }
 108 
 109 template <class T>
 110 inline void UpdateRSetImmediate::do_oop_work(T* p) {
 111   assert(_from->is_in_reserved(p), "paranoia");
 112   T heap_oop = oopDesc::load_heap_oop(p);
 113   if (!oopDesc::is_null(heap_oop) && !_from->is_survivor()) {
 114     _g1_rem_set->par_write_ref(_from, p, 0);
 115   }
 116 }
 117 
 118 
 119 #endif // SHARE_VM_GC_IMPLEMENTATION_G1_G1REMSET_INLINE_HPP