| /* |
| * 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"); |
| } |