/*

 * Copyright (c) 1997, 2016, 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 "oops/oop.inline.hpp"

#include "runtime/atomic.hpp"

#include "utilities/accessFlags.hpp"

void AccessFlags::atomic_set_bits(jint bits) {

  // Atomically update the flags with the bits given

  jint old_flags, new_flags, f;

  do {

    old_flags = _flags;

    new_flags = old_flags | bits;

    f = Atomic::cmpxchg(new_flags, &_flags, old_flags);

  } while(f != old_flags);

}

void AccessFlags::atomic_clear_bits(jint bits) {

  // Atomically update the flags with the bits given

  jint old_flags, new_flags, f;

  do {

    old_flags = _flags;

    new_flags = old_flags & ~bits;

    f = Atomic::cmpxchg(new_flags, &_flags, old_flags);

  } while(f != old_flags);

}

#if !defined(PRODUCT) || INCLUDE_JVMTI

void AccessFlags::print_on(outputStream* st) const {

  if (is_public      ()) st->print("public "      );

  if (is_private     ()) st->print("private "     );

  if (is_protected   ()) st->print("protected "   );

  if (is_static      ()) st->print("static "      );

  if (is_final       ()) st->print("final "       );

  if (is_synchronized()) st->print("synchronized ");

  if (is_volatile    ()) st->print("volatile "    );

  if (is_transient   ()) st->print("transient "   );

  if (is_native      ()) st->print("native "      );

  if (is_interface   ()) st->print("interface "   );

  if (is_abstract    ()) st->print("abstract "    );

  if (is_strict      ()) st->print("strict "      );

  if (is_synthetic   ()) st->print("synthetic "   );

  if (is_old         ()) st->print("{old} "       );

  if (is_obsolete    ()) st->print("{obsolete} "  );

  if (on_stack       ()) st->print("{on_stack} "  );

}

#endif // !PRODUCT || INCLUDE_JVMTI

void accessFlags_init() {

  assert(sizeof(AccessFlags) == sizeof(jint), "just checking size of flags");

}