58 lines
1.9 KiB
Java
58 lines
1.9 KiB
Java
/*
|
|
* Copyright (c) 2022, 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 8296924
|
|
* @summary Tests compilation of an unreachable unsafe access with a bad base address.
|
|
* @modules java.base/jdk.internal.misc:+open
|
|
* @run main/othervm -XX:CompileCommand=compileonly,TestBadBaseAddress::test -XX:-TieredCompilation -Xcomp TestBadBaseAddress
|
|
*/
|
|
|
|
import java.lang.reflect.*;
|
|
import sun.misc.*;
|
|
|
|
public class TestBadBaseAddress {
|
|
private static Unsafe unsafe;
|
|
|
|
static {
|
|
try {
|
|
Field field = Unsafe.class.getDeclaredField("theUnsafe");
|
|
field.setAccessible(true);
|
|
unsafe = (Unsafe)field.get(null);
|
|
} catch (Exception e) {
|
|
throw new RuntimeException(e);
|
|
}
|
|
}
|
|
|
|
public static void test(boolean b) {
|
|
if (b) {
|
|
unsafe.putLong(-1, 42);
|
|
}
|
|
}
|
|
|
|
public static void main(String[] args) {
|
|
test(false);
|
|
}
|
|
}
|