src/hotspot/share/oops/instanceClassLoaderKlass.inline.hpp

/*
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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#ifndef SHARE_VM_OOPS_INSTANCECLASSLOADERKLASS_INLINE_HPP
#define SHARE_VM_OOPS_INSTANCECLASSLOADERKLASS_INLINE_HPP

#include "classfile/javaClasses.hpp"
#include "memory/iterator.inline.hpp"
#include "oops/instanceClassLoaderKlass.hpp"
#include "oops/instanceKlass.inline.hpp"
#include "oops/oop.inline.hpp"
#include "utilities/debug.hpp"
#include "utilities/globalDefinitions.hpp"
#include "utilities/macros.hpp"

template <bool nv, class OopClosureType>
inline void InstanceClassLoaderKlass::oop_oop_iterate(oop obj, OopClosureType* closure) {
  InstanceKlass::oop_oop_iterate<nv>(obj, closure);

  if (Devirtualizer<nv>::do_metadata(closure)) {
    ClassLoaderData* cld = java_lang_ClassLoader::loader_data(obj);
    // cld can be null if we have a non-registered class loader.
    if (cld != NULL) {
      Devirtualizer<nv>::do_cld(closure, cld);
    }
  }
}

#if INCLUDE_OOP_OOP_ITERATE_BACKWARDS
template <bool nv, class OopClosureType>
inline void InstanceClassLoaderKlass::oop_oop_iterate_reverse(oop obj, OopClosureType* closure) {
  InstanceKlass::oop_oop_iterate_reverse<nv>(obj, closure);

  assert(!Devirtualizer<nv>::do_metadata(closure),
      "Code to handle metadata is not implemented");
}
#endif // INCLUDE_OOP_OOP_ITERATE_BACKWARDS


template <bool nv, class OopClosureType>
inline void InstanceClassLoaderKlass::oop_oop_iterate_bounded(oop obj, OopClosureType* closure, MemRegion mr) {
  InstanceKlass::oop_oop_iterate_bounded<nv>(obj, closure, mr);

  if (Devirtualizer<nv>::do_metadata(closure)) {
    if (mr.contains(obj)) {
      ClassLoaderData* cld = java_lang_ClassLoader::loader_data(obj);
      // cld can be null if we have a non-registered class loader.
      if (cld != NULL) {
        Devirtualizer<nv>::do_cld(closure, cld);
      }
    }
  }
}

#define ALL_INSTANCE_CLASS_LOADER_KLASS_OOP_OOP_ITERATE_DEFN(OopClosureType, nv_suffix)  \
  OOP_OOP_ITERATE_DEFN(          InstanceClassLoaderKlass, OopClosureType, nv_suffix)    \
  OOP_OOP_ITERATE_DEFN_BOUNDED(  InstanceClassLoaderKlass, OopClosureType, nv_suffix)    \
  OOP_OOP_ITERATE_DEFN_BACKWARDS(InstanceClassLoaderKlass, OopClosureType, nv_suffix)

#endif // SHARE_VM_OOPS_INSTANCECLASSLOADERKLASS_INLINE_HPP