Mercurial > hg > graal-compiler
comparison src/share/vm/utilities/accessFlags.cpp @ 0:a61af66fc99e jdk7-b24
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| author | duke |
|---|---|
| date | Sat, 01 Dec 2007 00:00:00 +0000 |
| parents | |
| children | c18cbe5936b8 |
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| -1:000000000000 | 0:a61af66fc99e |
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| 1 /* | |
| 2 * Copyright 1997-2006 Sun Microsystems, Inc. All Rights Reserved. | |
| 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | |
| 4 * | |
| 5 * This code is free software; you can redistribute it and/or modify it | |
| 6 * under the terms of the GNU General Public License version 2 only, as | |
| 7 * published by the Free Software Foundation. | |
| 8 * | |
| 9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
| 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 12 * version 2 for more details (a copy is included in the LICENSE file that | |
| 13 * accompanied this code). | |
| 14 * | |
| 15 * You should have received a copy of the GNU General Public License version | |
| 16 * 2 along with this work; if not, write to the Free Software Foundation, | |
| 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
| 18 * | |
| 19 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, | |
| 20 * CA 95054 USA or visit www.sun.com if you need additional information or | |
| 21 * have any questions. | |
| 22 * | |
| 23 */ | |
| 24 | |
| 25 # include "incls/_precompiled.incl" | |
| 26 # include "incls/_accessFlags.cpp.incl" | |
| 27 | |
| 28 | |
| 29 void AccessFlags::atomic_set_bits(jint bits) { | |
| 30 // Atomically update the flags with the bits given | |
| 31 jint old_flags, new_flags, f; | |
| 32 do { | |
| 33 old_flags = _flags; | |
| 34 new_flags = old_flags | bits; | |
| 35 f = Atomic::cmpxchg(new_flags, &_flags, old_flags); | |
| 36 } while(f != old_flags); | |
| 37 } | |
| 38 | |
| 39 void AccessFlags::atomic_clear_bits(jint bits) { | |
| 40 // Atomically update the flags with the bits given | |
| 41 jint old_flags, new_flags, f; | |
| 42 do { | |
| 43 old_flags = _flags; | |
| 44 new_flags = old_flags & ~bits; | |
| 45 f = Atomic::cmpxchg(new_flags, &_flags, old_flags); | |
| 46 } while(f != old_flags); | |
| 47 } | |
| 48 | |
| 49 #ifndef PRODUCT | |
| 50 | |
| 51 void AccessFlags::print_on(outputStream* st) const { | |
| 52 if (is_public ()) st->print("public " ); | |
| 53 if (is_private ()) st->print("private " ); | |
| 54 if (is_protected ()) st->print("protected " ); | |
| 55 if (is_static ()) st->print("static " ); | |
| 56 if (is_final ()) st->print("final " ); | |
| 57 if (is_synchronized()) st->print("synchronized "); | |
| 58 if (is_volatile ()) st->print("volatile " ); | |
| 59 if (is_transient ()) st->print("transient " ); | |
| 60 if (is_native ()) st->print("native " ); | |
| 61 if (is_interface ()) st->print("interface " ); | |
| 62 if (is_abstract ()) st->print("abstract " ); | |
| 63 if (is_strict ()) st->print("strict " ); | |
| 64 if (is_synthetic ()) st->print("synthetic " ); | |
| 65 if (is_old ()) st->print("{old} " ); | |
| 66 if (is_obsolete ()) st->print("{obsolete} " ); | |
| 67 } | |
| 68 | |
| 69 #endif | |
| 70 | |
| 71 void accessFlags_init() { | |
| 72 assert(sizeof(AccessFlags) == sizeof(jint), "just checking size of flags"); | |
| 73 } |