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src/share/vm/memory/iterator.inline.hpp

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  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_MEMORY_ITERATOR_INLINE_HPP
  26 #define SHARE_VM_MEMORY_ITERATOR_INLINE_HPP
  27 
  28 #include "classfile/classLoaderData.hpp"
  29 #include "memory/iterator.hpp"
  30 #include "oops/klass.hpp"






  31 #include "utilities/debug.hpp"
  32 
  33 inline void MetadataAwareOopClosure::do_class_loader_data(ClassLoaderData* cld) {
  34   assert(_klass_closure._oop_closure == this, "Must be");
  35 
  36   bool claim = true;  // Must claim the class loader data before processing.
  37   cld->oops_do(_klass_closure._oop_closure, &_klass_closure, claim);
  38 }
  39 
  40 inline void MetadataAwareOopClosure::do_klass_nv(Klass* k) {
  41   ClassLoaderData* cld = k->class_loader_data();
  42   do_class_loader_data(cld);
  43 }
  44 
  45 inline void MetadataAwareOopClosure::do_klass(Klass* k)       { do_klass_nv(k); }



























































  46 
  47 #endif // SHARE_VM_MEMORY_ITERATOR_INLINE_HPP


  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_MEMORY_ITERATOR_INLINE_HPP
  26 #define SHARE_VM_MEMORY_ITERATOR_INLINE_HPP
  27 
  28 #include "classfile/classLoaderData.hpp"
  29 #include "memory/iterator.hpp"
  30 #include "oops/klass.hpp"
  31 #include "oops/instanceKlass.inline.hpp"
  32 #include "oops/instanceMirrorKlass.inline.hpp"
  33 #include "oops/instanceClassLoaderKlass.inline.hpp"
  34 #include "oops/instanceRefKlass.inline.hpp"
  35 #include "oops/objArrayKlass.inline.hpp"
  36 #include "oops/typeArrayKlass.inline.hpp"
  37 #include "utilities/debug.hpp"
  38 
  39 inline void MetadataAwareOopClosure::do_class_loader_data(ClassLoaderData* cld) {
  40   assert(_klass_closure._oop_closure == this, "Must be");
  41 
  42   bool claim = true;  // Must claim the class loader data before processing.
  43   cld->oops_do(_klass_closure._oop_closure, &_klass_closure, claim);
  44 }
  45 
  46 inline void MetadataAwareOopClosure::do_klass_nv(Klass* k) {
  47   ClassLoaderData* cld = k->class_loader_data();
  48   do_class_loader_data(cld);
  49 }
  50 
  51 inline void MetadataAwareOopClosure::do_klass(Klass* k)       { do_klass_nv(k); }
  52 
  53 #ifdef ASSERT
  54 // This verification is applied to all visited oops.
  55 // The closures can turn is off by overriding should_verify_oops().
  56 template <typename T>
  57 void ExtendedOopClosure::verify(T* p) {
  58   if (should_verify_oops()) {
  59     T heap_oop = oopDesc::load_heap_oop(p);
  60     if (!oopDesc::is_null(heap_oop)) {
  61       oop o = oopDesc::decode_heap_oop_not_null(heap_oop);
  62       assert(Universe::heap()->is_in_closed_subset(o),
  63              err_msg("should be in closed *p " PTR_FORMAT " " PTR_FORMAT, p2i(p), p2i(o)));
  64     }
  65   }
  66 }
  67 #endif
  68 
  69 // Implementation of the non-virtual do_oop dispatch.
  70 
  71 template <class OopClosureType, typename T>
  72 inline void Devirtualizer<true>::do_oop(OopClosureType* closure, T* p) {
  73   debug_only(closure->verify(p));
  74   closure->do_oop_nv(p);
  75 }
  76 template <class OopClosureType>
  77 inline void Devirtualizer<true>::do_klass(OopClosureType* closure, Klass* k) {
  78   closure->do_klass_nv(k);
  79 }
  80 template <class OopClosureType>
  81 inline bool Devirtualizer<true>::do_metadata(OopClosureType* closure) {
  82   // Make sure the non-virtual and the virtual versions match.
  83   assert(closure->do_metadata_nv() == closure->do_metadata(), "Inconsistency in do_metadata");
  84   return closure->do_metadata_nv();
  85 }
  86 
  87 // Implementation of the virtual do_oop dispatch.
  88 
  89 template <class OopClosureType, typename T>
  90 void Devirtualizer<false>::do_oop(OopClosureType* closure, T* p) {
  91   debug_only(closure->verify(p));
  92   closure->do_oop(p);
  93 }
  94 template <class OopClosureType>
  95 void Devirtualizer<false>::do_klass(OopClosureType* closure, Klass* k) {
  96   closure->do_klass(k);
  97 }
  98 template <class OopClosureType>
  99 bool Devirtualizer<false>::do_metadata(OopClosureType* closure) {
 100   return closure->do_metadata();
 101 }
 102 
 103 // The list of all "specializable" oop_oop_iterate function definitions.
 104 #define ALL_KLASS_OOP_OOP_ITERATE_DEFN(OopClosureType, nv_suffix)                  \
 105   ALL_INSTANCE_KLASS_OOP_OOP_ITERATE_DEFN(             OopClosureType, nv_suffix)  \
 106   ALL_INSTANCE_REF_KLASS_OOP_OOP_ITERATE_DEFN(         OopClosureType, nv_suffix)  \
 107   ALL_INSTANCE_MIRROR_KLASS_OOP_OOP_ITERATE_DEFN(      OopClosureType, nv_suffix)  \
 108   ALL_INSTANCE_CLASS_LOADER_KLASS_OOP_OOP_ITERATE_DEFN(OopClosureType, nv_suffix)  \
 109   ALL_OBJ_ARRAY_KLASS_OOP_OOP_ITERATE_DEFN(            OopClosureType, nv_suffix)  \
 110   ALL_TYPE_ARRAY_KLASS_OOP_OOP_ITERATE_DEFN(           OopClosureType, nv_suffix)
 111 
 112 #endif // SHARE_VM_MEMORY_ITERATOR_INLINE_HPP
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