view test/sanity/WhiteBox.java @ 13212:eb03a7335eb0

Use fixed instead of virtual register for target in far foreign call, since the register allocator does not support virtual registers to be used at call sites.
author Christian Wimmer <christian.wimmer@oracle.com>
date Mon, 02 Dec 2013 14:20:32 -0800
parents dc7db03f5aa2
children
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/*
 * Copyright (c) 2013, 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 WhiteBox
 * @bug 8011675
 * @summary verify that whitebox can be used even if not all functions are declared in java-part
 * @author igor.ignatyev@oracle.com
 * @library /testlibrary
 * @compile WhiteBox.java
 * @run main ClassFileInstaller sun.hotspot.WhiteBox
 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI sun.hotspot.WhiteBox
 * @clean sun.hotspot.WhiteBox
 */

package sun.hotspot;

public class WhiteBox {
    private static native void registerNatives();
    static { registerNatives(); }
    public native int notExistedMethod();
    public native int getHeapOopSize();
    public static void main(String[] args) {
        WhiteBox wb = new WhiteBox();
        if (wb.getHeapOopSize() < 0) {
            throw new Error("wb.getHeapOopSize() < 0");
        }
        boolean catched = false;
        try {
            wb.notExistedMethod();
        } catch (UnsatisfiedLinkError e) {
            catched = true;
        }
        if (!catched) {
            throw new Error("wb.notExistedMethod() was invoked");
        }
    }
}