Mercurial > jdk8-mips64-public > hotspot / annotate
src/share/vm/memory/barrierSet.cpp@6acf14e730dd (annotated)
src/share/vm/memory/barrierSet.cpp
Tue, 16 Feb 2016 21:42:29 +0000
- author
- poonam
- date
- Tue, 16 Feb 2016 21:42:29 +0000
- changeset 8308
- 6acf14e730dd
- parent 2708
- 1d1603768966
- child 6876
- 710a3c8b516e
- permissions
- -rw-r--r--
8072725: Provide more granular levels for GC verification
Summary: Add option VerifySubSet to selectively verify the memory sub-systems
Reviewed-by: kevinw, jmasa
| ysr@777 | 1 | /* |
| trims@2708 | 2 | * Copyright (c) 1997, 2011, Oracle and/or its affiliates. All rights reserved. |
| ysr@777 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| ysr@777 | 4 | * |
| ysr@777 | 5 | * This code is free software; you can redistribute it and/or modify it |
| ysr@777 | 6 | * under the terms of the GNU General Public License version 2 only, as |
| ysr@777 | 7 | * published by the Free Software Foundation. |
| ysr@777 | 8 | * |
| ysr@777 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
| ysr@777 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| ysr@777 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| ysr@777 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
| ysr@777 | 13 | * accompanied this code). |
| ysr@777 | 14 | * |
| ysr@777 | 15 | * You should have received a copy of the GNU General Public License version |
| ysr@777 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
| ysr@777 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| ysr@777 | 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. |
| ysr@777 | 22 | * |
| ysr@777 | 23 | */ |
| ysr@777 | 24 | |
| stefank@2314 | 25 | #include "precompiled.hpp" |
| stefank@2314 | 26 | #include "gc_interface/collectedHeap.hpp" |
| stefank@2314 | 27 | #include "memory/barrierSet.inline.hpp" |
| stefank@2314 | 28 | #include "memory/universe.hpp" |
| ysr@777 | 29 | |
| ysr@1280 | 30 | // count is number of array elements being written |
| ysr@777 | 31 | void BarrierSet::static_write_ref_array_pre(HeapWord* start, size_t count) { |
| ysr@1280 | 32 | assert(count <= (size_t)max_intx, "count too large"); |
| ysr@1280 | 33 | #if 0 |
| ysr@1280 | 34 | warning("Pre: \t" INTPTR_FORMAT "[" SIZE_FORMAT "]\t", |
| ysr@1280 | 35 | start, count); |
| ysr@1280 | 36 | #endif |
| ysr@1280 | 37 | if (UseCompressedOops) { |
| iveresov@2606 | 38 | Universe::heap()->barrier_set()->write_ref_array_pre((narrowOop*)start, (int)count, false); |
| ysr@1280 | 39 | } else { |
| iveresov@2606 | 40 | Universe::heap()->barrier_set()->write_ref_array_pre( (oop*)start, (int)count, false); |
| ysr@1280 | 41 | } |
| ysr@777 | 42 | } |
| ysr@777 | 43 | |
| ysr@1280 | 44 | // count is number of array elements being written |
| ysr@777 | 45 | void BarrierSet::static_write_ref_array_post(HeapWord* start, size_t count) { |
| ysr@1526 | 46 | // simply delegate to instance method |
| ysr@1526 | 47 | Universe::heap()->barrier_set()->write_ref_array(start, count); |
| ysr@777 | 48 | } |
