hotspot/src/share/vm/oops/instanceMirrorKlass.cpp
changeset 13738 d67be49a5beb
parent 13728 882756847a04
child 15482 470d0b0c09f1
equal deleted inserted replaced
13737:aa8c9eb6d900 13738:d67be49a5beb
    45 #include "gc_implementation/parallelScavenge/psPromotionManager.inline.hpp"
    45 #include "gc_implementation/parallelScavenge/psPromotionManager.inline.hpp"
    46 #include "gc_implementation/parallelScavenge/psScavenge.inline.hpp"
    46 #include "gc_implementation/parallelScavenge/psScavenge.inline.hpp"
    47 #include "oops/oop.pcgc.inline.hpp"
    47 #include "oops/oop.pcgc.inline.hpp"
    48 #endif
    48 #endif
    49 
    49 
    50 int instanceMirrorKlass::_offset_of_static_fields = 0;
    50 int InstanceMirrorKlass::_offset_of_static_fields = 0;
    51 
    51 
    52 #ifdef ASSERT
    52 #ifdef ASSERT
    53 template <class T> void assert_is_in(T *p) {
    53 template <class T> void assert_is_in(T *p) {
    54   T heap_oop = oopDesc::load_heap_oop(p);
    54   T heap_oop = oopDesc::load_heap_oop(p);
    55   if (!oopDesc::is_null(heap_oop)) {
    55   if (!oopDesc::is_null(heap_oop)) {
   146       do_oop, assert_fn)                                                   \
   146       do_oop, assert_fn)                                                   \
   147   }                                                                        \
   147   }                                                                        \
   148 }
   148 }
   149 
   149 
   150 
   150 
   151 void instanceMirrorKlass::oop_follow_contents(oop obj) {
   151 void InstanceMirrorKlass::oop_follow_contents(oop obj) {
   152   InstanceKlass::oop_follow_contents(obj);
   152   InstanceKlass::oop_follow_contents(obj);
   153 
   153 
   154   // Follow the klass field in the mirror.
   154   // Follow the klass field in the mirror.
   155   Klass* klass = java_lang_Class::as_Klass(obj);
   155   Klass* klass = java_lang_Class::as_Klass(obj);
   156   if (klass != NULL) {
   156   if (klass != NULL) {
   167     MarkSweep::mark_and_push(p),                                                      \
   167     MarkSweep::mark_and_push(p),                                                      \
   168     assert_is_in_closed_subset)
   168     assert_is_in_closed_subset)
   169 }
   169 }
   170 
   170 
   171 #ifndef SERIALGC
   171 #ifndef SERIALGC
   172 void instanceMirrorKlass::oop_follow_contents(ParCompactionManager* cm,
   172 void InstanceMirrorKlass::oop_follow_contents(ParCompactionManager* cm,
   173                                               oop obj) {
   173                                               oop obj) {
   174   InstanceKlass::oop_follow_contents(cm, obj);
   174   InstanceKlass::oop_follow_contents(cm, obj);
   175 
   175 
   176   // Follow the klass field in the mirror.
   176   // Follow the klass field in the mirror.
   177   Klass* klass = java_lang_Class::as_Klass(obj);
   177   Klass* klass = java_lang_Class::as_Klass(obj);
   189     PSParallelCompact::mark_and_push(cm, p),                                          \
   189     PSParallelCompact::mark_and_push(cm, p),                                          \
   190     assert_is_in)
   190     assert_is_in)
   191 }
   191 }
   192 #endif // SERIALGC
   192 #endif // SERIALGC
   193 
   193 
   194 int instanceMirrorKlass::oop_adjust_pointers(oop obj) {
   194 int InstanceMirrorKlass::oop_adjust_pointers(oop obj) {
   195   int size = oop_size(obj);
   195   int size = oop_size(obj);
   196   InstanceKlass::oop_adjust_pointers(obj);
   196   InstanceKlass::oop_adjust_pointers(obj);
   197 
   197 
   198   // Follow the klass field in the mirror.
   198   // Follow the klass field in the mirror.
   199   Klass* klass = java_lang_Class::as_Klass(obj);
   199   Klass* klass = java_lang_Class::as_Klass(obj);
   233   /* Make sure the non-virtual and the virtual versions match. */     \
   233   /* Make sure the non-virtual and the virtual versions match. */     \
   234   assert(closure->do_metadata##nv_suffix() == closure->do_metadata(), \
   234   assert(closure->do_metadata##nv_suffix() == closure->do_metadata(), \
   235       "Inconsistency in do_metadata");                                \
   235       "Inconsistency in do_metadata");                                \
   236   if (closure->do_metadata##nv_suffix())
   236   if (closure->do_metadata##nv_suffix())
   237 
   237 
   238 // Macro to define instanceMirrorKlass::oop_oop_iterate for virtual/nonvirtual for
   238 // Macro to define InstanceMirrorKlass::oop_oop_iterate for virtual/nonvirtual for
   239 // all closures.  Macros calling macros above for each oop size.
   239 // all closures.  Macros calling macros above for each oop size.
   240 
   240 
   241 #define InstanceMirrorKlass_OOP_OOP_ITERATE_DEFN(OopClosureType, nv_suffix)           \
   241 #define InstanceMirrorKlass_OOP_OOP_ITERATE_DEFN(OopClosureType, nv_suffix)           \
   242                                                                                       \
   242                                                                                       \
   243 int instanceMirrorKlass::                                                             \
   243 int InstanceMirrorKlass::                                                             \
   244 oop_oop_iterate##nv_suffix(oop obj, OopClosureType* closure) {                        \
   244 oop_oop_iterate##nv_suffix(oop obj, OopClosureType* closure) {                        \
   245   /* Get size before changing pointers */                                             \
   245   /* Get size before changing pointers */                                             \
   246   SpecializationStats::record_iterate_call##nv_suffix(SpecializationStats::irk);      \
   246   SpecializationStats::record_iterate_call##nv_suffix(SpecializationStats::irk);      \
   247                                                                                       \
   247                                                                                       \
   248   InstanceKlass::oop_oop_iterate##nv_suffix(obj, closure);                            \
   248   InstanceKlass::oop_oop_iterate##nv_suffix(obj, closure);                            \
   263 }
   263 }
   264 
   264 
   265 #ifndef SERIALGC
   265 #ifndef SERIALGC
   266 #define InstanceMirrorKlass_OOP_OOP_ITERATE_BACKWARDS_DEFN(OopClosureType, nv_suffix) \
   266 #define InstanceMirrorKlass_OOP_OOP_ITERATE_BACKWARDS_DEFN(OopClosureType, nv_suffix) \
   267                                                                                       \
   267                                                                                       \
   268 int instanceMirrorKlass::                                                             \
   268 int InstanceMirrorKlass::                                                             \
   269 oop_oop_iterate_backwards##nv_suffix(oop obj, OopClosureType* closure) {              \
   269 oop_oop_iterate_backwards##nv_suffix(oop obj, OopClosureType* closure) {              \
   270   /* Get size before changing pointers */                                             \
   270   /* Get size before changing pointers */                                             \
   271   SpecializationStats::record_iterate_call##nv_suffix(SpecializationStats::irk);      \
   271   SpecializationStats::record_iterate_call##nv_suffix(SpecializationStats::irk);      \
   272                                                                                       \
   272                                                                                       \
   273   InstanceKlass::oop_oop_iterate_backwards##nv_suffix(obj, closure);                  \
   273   InstanceKlass::oop_oop_iterate_backwards##nv_suffix(obj, closure);                  \
   281 #endif // !SERIALGC
   281 #endif // !SERIALGC
   282 
   282 
   283 
   283 
   284 #define InstanceMirrorKlass_OOP_OOP_ITERATE_DEFN_m(OopClosureType, nv_suffix)         \
   284 #define InstanceMirrorKlass_OOP_OOP_ITERATE_DEFN_m(OopClosureType, nv_suffix)         \
   285                                                                                       \
   285                                                                                       \
   286 int instanceMirrorKlass::                                                             \
   286 int InstanceMirrorKlass::                                                             \
   287 oop_oop_iterate##nv_suffix##_m(oop obj,                                               \
   287 oop_oop_iterate##nv_suffix##_m(oop obj,                                               \
   288                                OopClosureType* closure,                               \
   288                                OopClosureType* closure,                               \
   289                                MemRegion mr) {                                        \
   289                                MemRegion mr) {                                        \
   290   SpecializationStats::record_iterate_call##nv_suffix(SpecializationStats::irk);      \
   290   SpecializationStats::record_iterate_call##nv_suffix(SpecializationStats::irk);      \
   291                                                                                       \
   291                                                                                       \
   316 #endif // SERIALGC
   316 #endif // SERIALGC
   317 ALL_OOP_OOP_ITERATE_CLOSURES_1(InstanceMirrorKlass_OOP_OOP_ITERATE_DEFN_m)
   317 ALL_OOP_OOP_ITERATE_CLOSURES_1(InstanceMirrorKlass_OOP_OOP_ITERATE_DEFN_m)
   318 ALL_OOP_OOP_ITERATE_CLOSURES_2(InstanceMirrorKlass_OOP_OOP_ITERATE_DEFN_m)
   318 ALL_OOP_OOP_ITERATE_CLOSURES_2(InstanceMirrorKlass_OOP_OOP_ITERATE_DEFN_m)
   319 
   319 
   320 #ifndef SERIALGC
   320 #ifndef SERIALGC
   321 void instanceMirrorKlass::oop_push_contents(PSPromotionManager* pm, oop obj) {
   321 void InstanceMirrorKlass::oop_push_contents(PSPromotionManager* pm, oop obj) {
   322   // Note that we don't have to follow the mirror -> klass pointer, since all
   322   // Note that we don't have to follow the mirror -> klass pointer, since all
   323   // klasses that are dirty will be scavenged when we iterate over the
   323   // klasses that are dirty will be scavenged when we iterate over the
   324   // ClassLoaderData objects.
   324   // ClassLoaderData objects.
   325 
   325 
   326   InstanceKlass::oop_push_contents(pm, obj);
   326   InstanceKlass::oop_push_contents(pm, obj);
   330       pm->claim_or_forward_depth(p);                                          \
   330       pm->claim_or_forward_depth(p);                                          \
   331     },                                                                        \
   331     },                                                                        \
   332     assert_nothing )
   332     assert_nothing )
   333 }
   333 }
   334 
   334 
   335 int instanceMirrorKlass::oop_update_pointers(ParCompactionManager* cm, oop obj) {
   335 int InstanceMirrorKlass::oop_update_pointers(ParCompactionManager* cm, oop obj) {
   336   int size = oop_size(obj);
   336   int size = oop_size(obj);
   337   InstanceKlass::oop_update_pointers(cm, obj);
   337   InstanceKlass::oop_update_pointers(cm, obj);
   338 
   338 
   339   // Follow the klass field in the mirror.
   339   // Follow the klass field in the mirror.
   340   Klass* klass = java_lang_Class::as_Klass(obj);
   340   Klass* klass = java_lang_Class::as_Klass(obj);
   353     assert_nothing)
   353     assert_nothing)
   354   return size;
   354   return size;
   355 }
   355 }
   356 #endif // SERIALGC
   356 #endif // SERIALGC
   357 
   357 
   358 int instanceMirrorKlass::instance_size(KlassHandle k) {
   358 int InstanceMirrorKlass::instance_size(KlassHandle k) {
   359   if (k() != NULL && k->oop_is_instance()) {
   359   if (k() != NULL && k->oop_is_instance()) {
   360     return align_object_size(size_helper() + InstanceKlass::cast(k())->static_field_size());
   360     return align_object_size(size_helper() + InstanceKlass::cast(k())->static_field_size());
   361   }
   361   }
   362   return size_helper();
   362   return size_helper();
   363 }
   363 }
   364 
   364 
   365 instanceOop instanceMirrorKlass::allocate_instance(KlassHandle k, TRAPS) {
   365 instanceOop InstanceMirrorKlass::allocate_instance(KlassHandle k, TRAPS) {
   366   // Query before forming handle.
   366   // Query before forming handle.
   367   int size = instance_size(k);
   367   int size = instance_size(k);
   368   KlassHandle h_k(THREAD, this);
   368   KlassHandle h_k(THREAD, this);
   369   instanceOop i = (instanceOop) CollectedHeap::Class_obj_allocate(h_k, size, k, CHECK_NULL);
   369   instanceOop i = (instanceOop) CollectedHeap::Class_obj_allocate(h_k, size, k, CHECK_NULL);
   370   return i;
   370   return i;
   371 }
   371 }
   372 
   372 
   373 int instanceMirrorKlass::oop_size(oop obj) const {
   373 int InstanceMirrorKlass::oop_size(oop obj) const {
   374   return java_lang_Class::oop_size(obj);
   374   return java_lang_Class::oop_size(obj);
   375 }
   375 }
   376 
   376 
   377 int instanceMirrorKlass::compute_static_oop_field_count(oop obj) {
   377 int InstanceMirrorKlass::compute_static_oop_field_count(oop obj) {
   378   Klass* k = java_lang_Class::as_Klass(obj);
   378   Klass* k = java_lang_Class::as_Klass(obj);
   379   if (k != NULL && k->oop_is_instance()) {
   379   if (k != NULL && k->oop_is_instance()) {
   380     return InstanceKlass::cast(k)->static_oop_field_count();
   380     return InstanceKlass::cast(k)->static_oop_field_count();
   381   }
   381   }
   382   return 0;
   382   return 0;