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

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  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_G1_G1REMSET_INLINE_HPP
  26 #define SHARE_VM_GC_G1_G1REMSET_INLINE_HPP
  27 
  28 #include "gc/g1/g1RemSet.hpp"
  29 #include "gc/g1/heapRegion.hpp"
  30 #include "gc/g1/heapRegionRemSet.hpp"
  31 #include "oops/oop.inline.hpp"
  32 
  33 inline uint G1RemSet::n_workers() {
  34   return _g1->workers()->total_workers();
  35 }
  36 
  37 template <class T>
  38 inline void G1RemSet::write_ref(HeapRegion* from, T* p) {
  39   par_write_ref(from, p, 0);
  40 }
  41 
  42 template <class T>
  43 inline void G1RemSet::par_write_ref(HeapRegion* from, T* p, uint tid) {
  44   oop obj = oopDesc::load_decode_heap_oop(p);
  45   if (obj == NULL) {
  46     return;
  47   }
  48 
  49 #ifdef ASSERT
  50   // can't do because of races
  51   // assert(obj == NULL || obj->is_oop(), "expected an oop");
  52 
  53   // Do the safe subset of is_oop
  54 #ifdef CHECK_UNHANDLED_OOPS
  55   oopDesc* o = obj.obj();
  56 #else
  57   oopDesc* o = obj;
  58 #endif // CHECK_UNHANDLED_OOPS
  59   assert((intptr_t)o % MinObjAlignmentInBytes == 0, "not oop aligned");
  60   assert(_g1->is_in_reserved(obj), "must be in heap");
  61 #endif // ASSERT
  62 


  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_G1_G1REMSET_INLINE_HPP
  26 #define SHARE_VM_GC_G1_G1REMSET_INLINE_HPP
  27 
  28 #include "gc/g1/g1RemSet.hpp"
  29 #include "gc/g1/heapRegion.hpp"
  30 #include "gc/g1/heapRegionRemSet.hpp"
  31 #include "oops/oop.inline.hpp"
  32 
  33 inline uint G1RemSet::n_workers() {
  34   return _g1->workers()->total_workers();
  35 }
  36 
  37 template <class T>





  38 inline void G1RemSet::par_write_ref(HeapRegion* from, T* p, uint tid) {
  39   oop obj = oopDesc::load_decode_heap_oop(p);
  40   if (obj == NULL) {
  41     return;
  42   }
  43 
  44 #ifdef ASSERT
  45   // can't do because of races
  46   // assert(obj == NULL || obj->is_oop(), "expected an oop");
  47 
  48   // Do the safe subset of is_oop
  49 #ifdef CHECK_UNHANDLED_OOPS
  50   oopDesc* o = obj.obj();
  51 #else
  52   oopDesc* o = obj;
  53 #endif // CHECK_UNHANDLED_OOPS
  54   assert((intptr_t)o % MinObjAlignmentInBytes == 0, "not oop aligned");
  55   assert(_g1->is_in_reserved(obj), "must be in heap");
  56 #endif // ASSERT
  57