/*
* Copyright ( c ) 1997 , 2021 , 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(&_flags, old_flags, new_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(&_flags, old_flags, new_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_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" );
}
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