/*

 * Copyright (c) 2011, 2012, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

 * or visit www.oracle.com if you need additional information or have any

 * questions.

 *

 */

#include "precompiled.hpp"

#include "ci/ciBaseObject.hpp"

#include "ci/ciUtilities.hpp"

#include "gc_interface/collectedHeap.inline.hpp"

#include "oops/oop.inline2.hpp"

// ------------------------------------------------------------------

// ciBaseObject::set_ident

//

// Set the unique identity number of a ciBaseObject.

void ciBaseObject::set_ident(uint id) {

  assert((_ident >> FLAG_BITS) == 0, "must only initialize once");

  assert( id < ((uint)1 << (BitsPerInt-FLAG_BITS)), "id too big");

  _ident = _ident + (id << FLAG_BITS);

}

// ------------------------------------------------------------------

// ciBaseObject::ident

//

// Report the unique identity number of a ciBaseObject.

uint ciBaseObject::ident() {

  uint id = _ident >> FLAG_BITS;

  assert(id != 0, "must be initialized");

  return id;

}