Mercurial > hg > truffle
view test/compiler/testlibrary/rtm/BufferOverflowProvoker.java @ 20828:89eabd695957
Disable new graph partial evaluator by default
author | Christian Wimmer <christian.wimmer@oracle.com> |
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date | Wed, 08 Apr 2015 23:07:55 -0700 |
parents | 665bbe93823f |
children |
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/* * Copyright (c) 2014, 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. * */ package rtm; /** * In order to provoke transactional execution abort due to * internal's buffer overflow BufferOverflowProvoker modifies * 1MB of BYTES during single transaction. */ class BufferOverflowProvoker extends AbortProvoker { /** * To force buffer overflow abort we modify memory region with * size more then L1d cache size. */ private static final int MORE_THAN_L1D_SIZE = 1024 * 1024; private static final byte[] DATA = new byte[MORE_THAN_L1D_SIZE]; @Override public void forceAbort() { synchronized(monitor) { for (int i = 0; i < BufferOverflowProvoker.DATA.length; i++) { BufferOverflowProvoker.DATA[i]++; } } } }