コード例 #1
0
ファイル: klassKlass.cpp プロジェクト: ismo1652/jvmnotebook
int klassKlass::oop_oop_iterate(oop obj, OopClosure* blk) {
  // Get size before changing pointers
  int size = oop_size(obj);
  Klass* k = Klass::cast(klassOop(obj));
  blk->do_oop(k->adr_super());
  for (juint i = 0; i < Klass::primary_super_limit(); i++)
    blk->do_oop(k->adr_primary_supers()+i);
  blk->do_oop(k->adr_secondary_super_cache());
  blk->do_oop(k->adr_secondary_supers());
  blk->do_oop(k->adr_java_mirror());
  blk->do_oop(k->adr_name());
  // The following are in the perm gen and are treated
  // specially in a later phase of a perm gen collection; ...
  assert(oop(k)->is_perm(), "should be in perm");
  assert(oop(k->subklass())->is_perm_or_null(), "should be in perm");
  assert(oop(k->next_sibling())->is_perm_or_null(), "should be in perm");
  // ... don't scan them normally, but remember this klassKlass
  // for later (see, for instance, oop_follow_contents above
  // for what MarkSweep does with it.
  if (blk->should_remember_klasses()) {
    blk->remember_klass(k);
  }
  obj->oop_iterate_header(blk);
  return size;
}
コード例 #2
0
ファイル: klassKlass.cpp プロジェクト: ismo1652/jvmnotebook
int klassKlass::oop_oop_iterate_m(oop obj, OopClosure* blk, MemRegion mr) {
  // Get size before changing pointers
  int size = oop_size(obj);
  Klass* k = Klass::cast(klassOop(obj));
  oop* adr;
  adr = k->adr_super();
  if (mr.contains(adr)) blk->do_oop(adr);
  for (juint i = 0; i < Klass::primary_super_limit(); i++) {
    adr = k->adr_primary_supers()+i;
    if (mr.contains(adr)) blk->do_oop(adr);
  }
  adr = k->adr_secondary_super_cache();
  if (mr.contains(adr)) blk->do_oop(adr);
  adr = k->adr_secondary_supers();
  if (mr.contains(adr)) blk->do_oop(adr);
  adr = k->adr_java_mirror();
  if (mr.contains(adr)) blk->do_oop(adr);
  adr = k->adr_name();
  if (mr.contains(adr)) blk->do_oop(adr);
  // The following are "weak links" in the perm gen and are
  // treated specially in a later phase of a perm gen collection.
  assert(oop(k)->is_perm(), "should be in perm");
  assert(oop(k->adr_subklass())->is_perm(), "should be in perm");
  assert(oop(k->adr_next_sibling())->is_perm(), "should be in perm");
  if (blk->should_remember_klasses()
      && (mr.contains(k->adr_subklass())
          || mr.contains(k->adr_next_sibling()))) {
    blk->remember_klass(k);
  }
  obj->oop_iterate_header(blk, mr);
  return size;
}
コード例 #3
0
int instanceMirrorKlass::oop_update_pointers(ParCompactionManager* cm, oop obj) {
  instanceKlass::oop_update_pointers(cm, obj);
  InstanceMirrorKlass_OOP_ITERATE(                                            \
    start_of_static_fields(obj), java_lang_Class::static_oop_field_count(obj),\
    PSParallelCompact::adjust_pointer(p),                                     \
    assert_nothing)
  return oop_size(obj);
}
コード例 #4
0
int instanceMirrorKlass::oop_adjust_pointers(oop obj) {
  int size = oop_size(obj);
  instanceKlass::oop_adjust_pointers(obj);
  InstanceMirrorKlass_OOP_ITERATE(                                                    \
    start_of_static_fields(obj), java_lang_Class::static_oop_field_count(obj),        \
    MarkSweep::adjust_pointer(p),                                                     \
    assert_nothing)
  return size;
}
コード例 #5
0
ファイル: klassKlass.cpp プロジェクト: ismo1652/jvmnotebook
int klassKlass::oop_update_pointers(ParCompactionManager* cm, oop obj) {
  Klass* k = Klass::cast(klassOop(obj));

  oop* const beg_oop = k->oop_block_beg();
  oop* const end_oop = k->oop_block_end();
  for (oop* cur_oop = beg_oop; cur_oop < end_oop; ++cur_oop) {
    PSParallelCompact::adjust_pointer(cur_oop);
  }

  return oop_size(obj);
}
コード例 #6
0
ファイル: klassKlass.cpp プロジェクト: ismo1652/jvmnotebook
int klassKlass::oop_adjust_pointers(oop obj) {
  // Get size before changing pointers
  int size = oop_size(obj);
  obj->adjust_header();

  Klass* k = Klass::cast(klassOop(obj));

  MarkSweep::adjust_pointer(k->adr_super());
  for (juint i = 0; i < Klass::primary_super_limit(); i++)
    MarkSweep::adjust_pointer(k->adr_primary_supers()+i);
  MarkSweep::adjust_pointer(k->adr_secondary_super_cache());
  MarkSweep::adjust_pointer(k->adr_secondary_supers());
  MarkSweep::adjust_pointer(k->adr_java_mirror());
  MarkSweep::adjust_pointer(k->adr_name());
  MarkSweep::adjust_pointer(k->adr_subklass());
  MarkSweep::adjust_pointer(k->adr_next_sibling());
  return size;
}
コード例 #7
0
 int GC_oop_size(oop obj) const { return oop_size(obj); }