jdk-24/hotspot/src/share/vm/oops/instanceClassLoaderKlass.inline.hpp

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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
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 * 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 "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 int InstanceClassLoaderKlass::oop_oop_iterate(oop obj, OopClosureType* closure) {
  int size = 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) {
      closure->do_class_loader_data(cld);
    }
  }

  return size;
}

#if INCLUDE_ALL_GCS
template <bool nv, class OopClosureType>
inline int InstanceClassLoaderKlass::oop_oop_iterate_reverse(oop obj, OopClosureType* closure) {
  int size = InstanceKlass::oop_oop_iterate_reverse<nv>(obj, closure);

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

  return size;
}
#endif // INCLUDE_ALL_GCS


template <bool nv, class OopClosureType>
inline int InstanceClassLoaderKlass::oop_oop_iterate_bounded(oop obj, OopClosureType* closure, MemRegion mr) {
  int size = 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) {
        closure->do_class_loader_data(cld);
      }
    }
  }

  return size;
}


#define InstanceClassLoaderKlass_OOP_OOP_ITERATE_DEFN(OopClosureType, nv_suffix)              \
                                                                                              \
int InstanceClassLoaderKlass::oop_oop_iterate##nv_suffix(oop obj, OopClosureType* closure) {  \
  return oop_oop_iterate<nvs_to_bool(nv_suffix)>(obj, closure);                               \
}

#if INCLUDE_ALL_GCS
#define InstanceClassLoaderKlass_OOP_OOP_ITERATE_BACKWARDS_DEFN(OopClosureType, nv_suffix)              \
                                                                                                        \
int InstanceClassLoaderKlass::oop_oop_iterate_backwards##nv_suffix(oop obj, OopClosureType* closure) {  \
  return oop_oop_iterate_reverse<nvs_to_bool(nv_suffix)>(obj, closure);                                 \
}
#else
#define InstanceClassLoaderKlass_OOP_OOP_ITERATE_BACKWARDS_DEFN(OopClosureType, nv_suffix)
#endif


#define InstanceClassLoaderKlass_OOP_OOP_ITERATE_DEFN_m(OopClosureType, nv_suffix)                              \
                                                                                                                \
int InstanceClassLoaderKlass::oop_oop_iterate##nv_suffix##_m(oop obj, OopClosureType* closure, MemRegion mr) {  \
  return oop_oop_iterate_bounded<nvs_to_bool(nv_suffix)>(obj, closure, mr);                                     \
}

#define ALL_INSTANCE_CLASS_LOADER_KLASS_OOP_OOP_ITERATE_DEFN(OopClosureType, nv_suffix)  \
  InstanceClassLoaderKlass_OOP_OOP_ITERATE_DEFN(          OopClosureType, nv_suffix)     \
  InstanceClassLoaderKlass_OOP_OOP_ITERATE_DEFN_m(        OopClosureType, nv_suffix)     \
  InstanceClassLoaderKlass_OOP_OOP_ITERATE_BACKWARDS_DEFN(OopClosureType, nv_suffix)

#endif // SHARE_VM_OOPS_INSTANCECLASSLOADERKLASS_INLINE_HPP