< prev index next >

src/share/vm/oops/instanceMirrorKlass.cpp

Print this page




  22  *
  23  */
  24 
  25 #include "precompiled.hpp"
  26 #include "classfile/javaClasses.hpp"
  27 #include "classfile/systemDictionary.hpp"
  28 #include "gc/shared/collectedHeap.inline.hpp"
  29 #include "gc/shared/specialized_oop_closures.hpp"
  30 #include "memory/iterator.inline.hpp"
  31 #include "memory/oopFactory.hpp"
  32 #include "oops/instanceKlass.hpp"
  33 #include "oops/instanceMirrorKlass.hpp"
  34 #include "oops/instanceOop.hpp"
  35 #include "oops/oop.inline.hpp"
  36 #include "oops/symbol.hpp"
  37 #include "runtime/handles.inline.hpp"
  38 #include "utilities/macros.hpp"
  39 
  40 int InstanceMirrorKlass::_offset_of_static_fields = 0;
  41 
  42 int InstanceMirrorKlass::instance_size(KlassHandle k) {
  43   if (k() != NULL && k->is_instance_klass()) {
  44     return align_object_size(size_helper() + InstanceKlass::cast(k())->static_field_size());
  45   }
  46   return size_helper();
  47 }
  48 
  49 instanceOop InstanceMirrorKlass::allocate_instance(KlassHandle k, TRAPS) {
  50   // Query before forming handle.
  51   int size = instance_size(k);
  52   KlassHandle h_k(THREAD, this);
  53 
  54   assert(size > 0, "total object size must be positive: %d", size);
  55 
  56   // Since mirrors can be variable sized because of the static fields, store
  57   // the size in the mirror itself.
  58   return (instanceOop)CollectedHeap::class_allocate(h_k, size, CHECK_NULL);
  59 }
  60 
  61 int InstanceMirrorKlass::oop_size(oop obj) const {
  62   return java_lang_Class::oop_size(obj);
  63 }
  64 
  65 int InstanceMirrorKlass::compute_static_oop_field_count(oop obj) {
  66   Klass* k = java_lang_Class::as_Klass(obj);
  67   if (k != NULL && k->is_instance_klass()) {
  68     return InstanceKlass::cast(k)->static_oop_field_count();
  69   }
  70   return 0;
  71 }


  22  *
  23  */
  24 
  25 #include "precompiled.hpp"
  26 #include "classfile/javaClasses.hpp"
  27 #include "classfile/systemDictionary.hpp"
  28 #include "gc/shared/collectedHeap.inline.hpp"
  29 #include "gc/shared/specialized_oop_closures.hpp"
  30 #include "memory/iterator.inline.hpp"
  31 #include "memory/oopFactory.hpp"
  32 #include "oops/instanceKlass.hpp"
  33 #include "oops/instanceMirrorKlass.hpp"
  34 #include "oops/instanceOop.hpp"
  35 #include "oops/oop.inline.hpp"
  36 #include "oops/symbol.hpp"
  37 #include "runtime/handles.inline.hpp"
  38 #include "utilities/macros.hpp"
  39 
  40 int InstanceMirrorKlass::_offset_of_static_fields = 0;
  41 
  42 int InstanceMirrorKlass::instance_size(Klass* k) {
  43   if (k != NULL && k->is_instance_klass()) {
  44     return align_object_size(size_helper() + InstanceKlass::cast(k)->static_field_size());
  45   }
  46   return size_helper();
  47 }
  48 
  49 instanceOop InstanceMirrorKlass::allocate_instance(Klass* k, TRAPS) {
  50   // Query before forming handle.
  51   int size = instance_size(k);


  52   assert(size > 0, "total object size must be positive: %d", size);
  53 
  54   // Since mirrors can be variable sized because of the static fields, store
  55   // the size in the mirror itself.
  56   return (instanceOop)CollectedHeap::class_allocate(this, size, CHECK_NULL);
  57 }
  58 
  59 int InstanceMirrorKlass::oop_size(oop obj) const {
  60   return java_lang_Class::oop_size(obj);
  61 }
  62 
  63 int InstanceMirrorKlass::compute_static_oop_field_count(oop obj) {
  64   Klass* k = java_lang_Class::as_Klass(obj);
  65   if (k != NULL && k->is_instance_klass()) {
  66     return InstanceKlass::cast(k)->static_oop_field_count();
  67   }
  68   return 0;
  69 }
< prev index next >