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src/share/vm/oops/klass.cpp

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rev 8362 : [mq]: hotspot


   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  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 #include "precompiled.hpp"
  26 #include "classfile/javaClasses.hpp"
  27 #include "classfile/dictionary.hpp"

  28 #include "classfile/systemDictionary.hpp"
  29 #include "classfile/vmSymbols.hpp"
  30 #include "gc_interface/collectedHeap.inline.hpp"
  31 #include "memory/heapInspection.hpp"
  32 #include "memory/metadataFactory.hpp"
  33 #include "memory/oopFactory.hpp"
  34 #include "memory/resourceArea.hpp"
  35 #include "oops/instanceKlass.hpp"
  36 #include "oops/klass.inline.hpp"
  37 #include "oops/oop.inline.hpp"
  38 #include "runtime/atomic.inline.hpp"
  39 #include "runtime/orderAccess.inline.hpp"
  40 #include "trace/traceMacros.hpp"
  41 #include "utilities/macros.hpp"
  42 #include "utilities/stack.inline.hpp"
  43 #if INCLUDE_ALL_GCS
  44 #include "gc_implementation/g1/g1SATBCardTableModRefBS.hpp"
  45 #endif // INCLUDE_ALL_GCS
  46 
  47 void Klass::set_name(Symbol* n) {
  48   _name = n;
  49   if (_name != NULL) _name->increment_refcount();
  50 }
  51 
  52 bool Klass::is_subclass_of(const Klass* k) const {
  53   // Run up the super chain and check
  54   if (this == k) return true;
  55 
  56   Klass* t = const_cast<Klass*>(this)->super();
  57 
  58   while (t != NULL) {
  59     if (t == k) return true;
  60     t = t->super();
  61   }
  62   return false;
  63 }
  64 




   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  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 #include "precompiled.hpp"

  26 #include "classfile/dictionary.hpp"
  27 #include "classfile/javaClasses.hpp"
  28 #include "classfile/systemDictionary.hpp"
  29 #include "classfile/vmSymbols.hpp"
  30 #include "gc/shared/collectedHeap.inline.hpp"
  31 #include "memory/heapInspection.hpp"
  32 #include "memory/metadataFactory.hpp"
  33 #include "memory/oopFactory.hpp"
  34 #include "memory/resourceArea.hpp"
  35 #include "oops/instanceKlass.hpp"
  36 #include "oops/klass.inline.hpp"
  37 #include "oops/oop.inline.hpp"
  38 #include "runtime/atomic.inline.hpp"
  39 #include "runtime/orderAccess.inline.hpp"
  40 #include "trace/traceMacros.hpp"
  41 #include "utilities/macros.hpp"
  42 #include "utilities/stack.inline.hpp"
  43 #if INCLUDE_ALL_GCS
  44 #include "gc/g1/g1SATBCardTableModRefBS.hpp"
  45 #endif // INCLUDE_ALL_GCS
  46 
  47 void Klass::set_name(Symbol* n) {
  48   _name = n;
  49   if (_name != NULL) _name->increment_refcount();
  50 }
  51 
  52 bool Klass::is_subclass_of(const Klass* k) const {
  53   // Run up the super chain and check
  54   if (this == k) return true;
  55 
  56   Klass* t = const_cast<Klass*>(this)->super();
  57 
  58   while (t != NULL) {
  59     if (t == k) return true;
  60     t = t->super();
  61   }
  62   return false;
  63 }
  64 


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