Mercurial > hg > truffle
annotate 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 |
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date | Tue, 14 Sep 2010 17:19:35 -0700 |
parents | c18cbe5936b8 |
children | f95d63e2154a |
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342 | 1 /* |
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2 * Copyright (c) 1997, 2006, Oracle and/or its affiliates. All rights reserved. |
342 | 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 * | |
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
342 | 22 * |
23 */ | |
24 | |
25 # include "incls/_precompiled.incl" | |
26 # include "incls/_barrierSet.cpp.incl" | |
27 | |
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28 // count is number of array elements being written |
342 | 29 void BarrierSet::static_write_ref_array_pre(HeapWord* start, size_t count) { |
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30 assert(count <= (size_t)max_intx, "count too large"); |
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31 #if 0 |
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32 warning("Pre: \t" INTPTR_FORMAT "[" SIZE_FORMAT "]\t", |
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33 start, count); |
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34 #endif |
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35 if (UseCompressedOops) { |
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36 Universe::heap()->barrier_set()->write_ref_array_pre((narrowOop*)start, (int)count); |
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37 } else { |
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38 Universe::heap()->barrier_set()->write_ref_array_pre( (oop*)start, (int)count); |
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39 } |
342 | 40 } |
41 | |
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42 // count is number of array elements being written |
342 | 43 void BarrierSet::static_write_ref_array_post(HeapWord* start, size_t count) { |
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44 // simply delegate to instance method |
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45 Universe::heap()->barrier_set()->write_ref_array(start, count); |
342 | 46 } |