mirror of
https://github.com/openjdk/jdk.git
synced 2026-04-04 12:08:36 +00:00
62 lines
2.2 KiB
Java
62 lines
2.2 KiB
Java
|
|
/*
|
|
* Copyright (c) 2026, Oracle and/or its affiliates. All rights reserved.
|
|
* Copyright (c) 2026, NTT DATA
|
|
* 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.
|
|
*/
|
|
|
|
import java.lang.invoke.MethodHandle;
|
|
import java.lang.foreign.FunctionDescriptor;
|
|
import java.lang.foreign.Linker;
|
|
import java.lang.foreign.ValueLayout;
|
|
|
|
import jdk.test.lib.Asserts;
|
|
import jdk.test.lib.apps.LingeredApp;
|
|
|
|
|
|
public class LingeredAppWithVDSOCall extends LingeredApp {
|
|
|
|
private static final MethodHandle gettimeofday;
|
|
|
|
static {
|
|
var desc = FunctionDescriptor.of(ValueLayout.JAVA_INT, // return
|
|
ValueLayout.JAVA_LONG, // tv
|
|
ValueLayout.JAVA_LONG); // tz
|
|
var linker = Linker.nativeLinker();
|
|
var gettimeofdayPtr = linker.defaultLookup().findOrThrow("gettimeofday");
|
|
gettimeofday = linker.downcallHandle(gettimeofdayPtr, desc);
|
|
}
|
|
|
|
private static void crashAtGettimeofday(long tvAddr, long tzAddr) {
|
|
try {
|
|
gettimeofday.invoke(tvAddr, tzAddr);
|
|
} catch (Throwable t) {
|
|
throw new RuntimeException(t);
|
|
}
|
|
Asserts.fail("gettimeofday() didn't crash");
|
|
}
|
|
|
|
public static void main(String[] args) {
|
|
setCrasher(() -> crashAtGettimeofday(100L, 200L));
|
|
LingeredApp.main(args);
|
|
}
|
|
}
|