Mercurial > hg > truffle
view src/share/vm/memory/barrierSet.cpp @ 1795:a8b66e00933b
6984368: Large default heap size does not allow to use zero based compressed oops
Summary: take into account HeapBaseMinAddress and round down MaxPermSize
Reviewed-by: never
author | kvn |
---|---|
date | Tue, 14 Sep 2010 17:19:35 -0700 |
parents | c18cbe5936b8 |
children | f95d63e2154a |
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/* * Copyright (c) 1997, 2006, 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 "incls/_precompiled.incl" # include "incls/_barrierSet.cpp.incl" // count is number of array elements being written void BarrierSet::static_write_ref_array_pre(HeapWord* start, size_t count) { assert(count <= (size_t)max_intx, "count too large"); #if 0 warning("Pre: \t" INTPTR_FORMAT "[" SIZE_FORMAT "]\t", start, count); #endif if (UseCompressedOops) { Universe::heap()->barrier_set()->write_ref_array_pre((narrowOop*)start, (int)count); } else { Universe::heap()->barrier_set()->write_ref_array_pre( (oop*)start, (int)count); } } // count is number of array elements being written void BarrierSet::static_write_ref_array_post(HeapWord* start, size_t count) { // simply delegate to instance method Universe::heap()->barrier_set()->write_ref_array(start, count); }