src/share/vm/memory/genRemSet.cpp

Sun, 01 Apr 2012 17:04:26 -0400

author
acorn
date
Sun, 01 Apr 2012 17:04:26 -0400
changeset 3686
749b1464aa81
parent 2314
f95d63e2154a
child 4037
da91efe96a93
permissions
-rw-r--r--

Merge

duke@435 1 /*
stefank@2314 2 * Copyright (c) 2001, 2010, Oracle and/or its affiliates. All rights reserved.
duke@435 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
duke@435 4 *
duke@435 5 * This code is free software; you can redistribute it and/or modify it
duke@435 6 * under the terms of the GNU General Public License version 2 only, as
duke@435 7 * published by the Free Software Foundation.
duke@435 8 *
duke@435 9 * This code is distributed in the hope that it will be useful, but WITHOUT
duke@435 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
duke@435 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
duke@435 12 * version 2 for more details (a copy is included in the LICENSE file that
duke@435 13 * accompanied this code).
duke@435 14 *
duke@435 15 * You should have received a copy of the GNU General Public License version
duke@435 16 * 2 along with this work; if not, write to the Free Software Foundation,
duke@435 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
duke@435 18 *
trims@1907 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
trims@1907 20 * or visit www.oracle.com if you need additional information or have any
trims@1907 21 * questions.
duke@435 22 *
duke@435 23 */
duke@435 24
stefank@2314 25 #include "precompiled.hpp"
stefank@2314 26 #include "memory/cardTableRS.hpp"
stefank@2314 27 #include "memory/genRemSet.hpp"
stefank@2314 28
duke@435 29 // This kind of "BarrierSet" allows a "CollectedHeap" to detect and
duke@435 30 // enumerate ref fields that have been modified (since the last
duke@435 31 // enumeration.)
duke@435 32
duke@435 33 uintx GenRemSet::max_alignment_constraint(Name nm) {
duke@435 34 switch (nm) {
duke@435 35 case GenRemSet::CardTable:
duke@435 36 return CardTableRS::ct_max_alignment_constraint();
duke@435 37 default:
duke@435 38 guarantee(false, "Unrecognized GenRemSet type.");
duke@435 39 return (0); // Make Windows compiler happy
duke@435 40 }
duke@435 41 }

mercurial