view test/sanity/WBApi.java @ 6615:09aad8452938

7190310: Inlining WeakReference.get(), and hoisting $referent may lead to non-terminating loops Summary: In C2 add software membar after load from Reference.referent field to prevent commoning of loads across safepoint since GC can change its value. In C1 always generate Reference.get() intrinsic. Reviewed-by: roland, twisti, dholmes, johnc
author kvn
date Mon, 20 Aug 2012 09:58:58 -0700
parents 2d503de963b3
children 1b0dc9f87e75
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/*
 * @test WBApi
 * @summary verify that whitebox functions can be linked and executed
 * @run compile -J-XX:+UnlockDiagnosticVMOptions -J-XX:+WhiteBoxAPI WBApi.java
 * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI WBApi
 */

import sun.hotspot.WhiteBox;
public class WBApi {
    public static void main(String... args) {
        System.out.printf("args at: %x\n",WhiteBox.getWhiteBox().getObjectAddress(args));
    }
}