/*

 * Copyright 1998-2003 Sun Microsystems, Inc.  All Rights Reserved.

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.

 *

 * This code is distributed in the hope that it will be useful, but WITHOUT

 * 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.

 *

 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,

 * CA 95054 USA or visit www.sun.com if you need additional information or

 * have any questions.

 *

 */

// these inline functions are in a separate file to break an include cycle

// between Thread and Handle

inline Handle::Handle(oop obj) {

  if (obj == NULL) {

    _handle = NULL;

  } else {

    _handle = Thread::current()->handle_area()->allocate_handle(obj);

  }

}

#ifndef ASSERT

inline Handle::Handle(Thread* thread, oop obj) {

  assert(thread == Thread::current(), "sanity check");

  if (obj == NULL) {

    _handle = NULL;

  } else {

    _handle = thread->handle_area()->allocate_handle(obj);

  }

}

#endif // ASSERT

inline HandleMark::HandleMark() {

  initialize(Thread::current());

}

inline void HandleMark::push() {

  // This is intentionally a NOP. pop_and_restore will reset

  // values to the HandleMark further down the stack, typically

  // in JavaCalls::call_helper.

  debug_only(_area->_handle_mark_nesting++);

}

inline void HandleMark::pop_and_restore() {

  HandleArea* area = _area;   // help compilers with poor alias analysis

  // Delete later chunks

  if( _chunk->next() ) {

    _chunk->next_chop();

  }

  // Roll back arena to saved top markers

  area->_chunk = _chunk;

  area->_hwm = _hwm;

  area->_max = _max;

  NOT_PRODUCT(area->set_size_in_bytes(_size_in_bytes);)

  debug_only(area->_handle_mark_nesting--);

}