Mercurial > hg > graal-compiler
view test/compiler/6833129/Test.java @ 2320:41d4973cf100
6942326: x86 code in string_indexof() could read beyond reserved heap space
Summary: copy small (<8) strings on stack if str+16 crosses a page boundary and load from stack into XMM. Back up pointer when loading string's tail.
Reviewed-by: never
author | kvn |
---|---|
date | Sat, 26 Feb 2011 12:10:54 -0800 |
parents | c18cbe5936b8 |
children |
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/* * Copyright (c) 2009, 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. */ /** * @test * @bug 6833129 * @summary Object.clone() and Arrays.copyOf ignore coping with -XX:+DeoptimizeALot * @run main/othervm -Xbatch -XX:+IgnoreUnrecognizedVMOptions -XX:+DeoptimizeALot Test */ public class Test{ public static void init(int src[]) { for (int i =0; i<src.length; i++) { src[i] = i; } } public static void clone_and_verify(int src[]) { for (int i = 0; i < src.length; i++) { int [] src_clone = src.clone(); if (src[i] != src_clone[i]) { System.out.println("Error: allocated but not copied: "); for( int j =0; j < src_clone.length; j++) System.out.print(" " + src_clone[j]); System.out.println(); System.exit(97); } } } public static void test() { int[] src = new int[34]; init(src); clone_and_verify(src); } public static void main(String[] args) { for (int i=0; i< 20000; i++) { test(); } } }