duke@435: /*
stefank@2314:  * Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved.
duke@435:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
duke@435:  *
duke@435:  * This code is free software; you can redistribute it and/or modify it
duke@435:  * under the terms of the GNU General Public License version 2 only, as
duke@435:  * published by the Free Software Foundation.
duke@435:  *
duke@435:  * This code is distributed in the hope that it will be useful, but WITHOUT
duke@435:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
duke@435:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
duke@435:  * version 2 for more details (a copy is included in the LICENSE file that
duke@435:  * accompanied this code).
duke@435:  *
duke@435:  * You should have received a copy of the GNU General Public License version
duke@435:  * 2 along with this work; if not, write to the Free Software Foundation,
duke@435:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
duke@435:  *
trims@1907:  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
trims@1907:  * or visit www.oracle.com if you need additional information or have any
trims@1907:  * questions.
duke@435:  *
duke@435:  */
duke@435: 
stefank@2314: #include "precompiled.hpp"
stefank@2314: #include "oops/oop.inline.hpp"
stefank@2314: #include "utilities/accessFlags.hpp"
stefank@2314: #ifdef TARGET_OS_FAMILY_linux
stefank@2314: # include "os_linux.inline.hpp"
stefank@2314: #endif
stefank@2314: #ifdef TARGET_OS_FAMILY_solaris
stefank@2314: # include "os_solaris.inline.hpp"
stefank@2314: #endif
stefank@2314: #ifdef TARGET_OS_FAMILY_windows
stefank@2314: # include "os_windows.inline.hpp"
stefank@2314: #endif
duke@435: 
duke@435: 
duke@435: void AccessFlags::atomic_set_bits(jint bits) {
duke@435:   // Atomically update the flags with the bits given
duke@435:   jint old_flags, new_flags, f;
duke@435:   do {
duke@435:     old_flags = _flags;
duke@435:     new_flags = old_flags | bits;
duke@435:     f = Atomic::cmpxchg(new_flags, &_flags, old_flags);
duke@435:   } while(f != old_flags);
duke@435: }
duke@435: 
duke@435: void AccessFlags::atomic_clear_bits(jint bits) {
duke@435:   // Atomically update the flags with the bits given
duke@435:   jint old_flags, new_flags, f;
duke@435:   do {
duke@435:     old_flags = _flags;
duke@435:     new_flags = old_flags & ~bits;
duke@435:     f = Atomic::cmpxchg(new_flags, &_flags, old_flags);
duke@435:   } while(f != old_flags);
duke@435: }
duke@435: 
duke@435: #ifndef PRODUCT
duke@435: 
duke@435: void AccessFlags::print_on(outputStream* st) const {
duke@435:   if (is_public      ()) st->print("public "      );
duke@435:   if (is_private     ()) st->print("private "     );
duke@435:   if (is_protected   ()) st->print("protected "   );
duke@435:   if (is_static      ()) st->print("static "      );
duke@435:   if (is_final       ()) st->print("final "       );
duke@435:   if (is_synchronized()) st->print("synchronized ");
duke@435:   if (is_volatile    ()) st->print("volatile "    );
duke@435:   if (is_transient   ()) st->print("transient "   );
duke@435:   if (is_native      ()) st->print("native "      );
duke@435:   if (is_interface   ()) st->print("interface "   );
duke@435:   if (is_abstract    ()) st->print("abstract "    );
duke@435:   if (is_strict      ()) st->print("strict "      );
duke@435:   if (is_synthetic   ()) st->print("synthetic "   );
duke@435:   if (is_old         ()) st->print("{old} "       );
duke@435:   if (is_obsolete    ()) st->print("{obsolete} "  );
duke@435: }
duke@435: 
duke@435: #endif
duke@435: 
duke@435: void accessFlags_init() {
duke@435:   assert(sizeof(AccessFlags) == sizeof(jint), "just checking size of flags");
duke@435: }