116 lines
3.7 KiB
Java
116 lines
3.7 KiB
Java
/*
|
|
* Copyright (c) 2015, 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 8072008
|
|
* @library /testlibrary /test/lib ../patches
|
|
* @modules java.base/jdk.internal.misc
|
|
* java.base/jdk.internal.vm.annotation
|
|
*
|
|
* @build java.base/java.lang.invoke.MethodHandleHelper
|
|
* @build sun.hotspot.WhiteBox
|
|
* @run main/bootclasspath/othervm -XX:+IgnoreUnrecognizedVMOptions
|
|
* -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI
|
|
* -Xbatch -XX:-TieredCompilation -XX:CICompilerCount=1
|
|
* -XX:+FoldStableValues
|
|
* compiler.jsr292.NonInlinedCall.GCTest
|
|
*/
|
|
|
|
package compiler.jsr292.NonInlinedCall;
|
|
|
|
import jdk.internal.vm.annotation.DontInline;
|
|
import jdk.internal.vm.annotation.Stable;
|
|
import sun.hotspot.WhiteBox;
|
|
|
|
import java.lang.invoke.MethodHandle;
|
|
import java.lang.invoke.MethodHandleHelper;
|
|
import java.lang.invoke.MethodHandleHelper.NonInlinedReinvoker;
|
|
import java.lang.invoke.MethodHandles;
|
|
import java.lang.invoke.MethodType;
|
|
import java.lang.ref.PhantomReference;
|
|
import java.lang.ref.Reference;
|
|
import java.lang.ref.ReferenceQueue;
|
|
|
|
import static jdk.test.lib.Asserts.assertEquals;
|
|
|
|
public class GCTest {
|
|
static final MethodHandles.Lookup LOOKUP = MethodHandleHelper.IMPL_LOOKUP;
|
|
|
|
static class T {
|
|
static int f1() { return 0; }
|
|
static int f2() { return 1; }
|
|
}
|
|
|
|
static @Stable MethodHandle mh;
|
|
static PhantomReference<Object> lform;
|
|
|
|
static final ReferenceQueue<Object> rq = new ReferenceQueue<>();
|
|
static final WhiteBox WB = WhiteBox.getWhiteBox();
|
|
|
|
@DontInline
|
|
static int invokeBasic() {
|
|
try {
|
|
return MethodHandleHelper.invokeBasicI(mh);
|
|
} catch (Throwable e) {
|
|
throw new Error(e);
|
|
}
|
|
}
|
|
|
|
static void test(int expected) {
|
|
for (int i = 0; i < 20_000; i++) {
|
|
invokeBasic();
|
|
}
|
|
assertEquals(invokeBasic(), expected);
|
|
}
|
|
|
|
public static void main(String[] args) throws Exception {
|
|
mh = NonInlinedReinvoker.make(
|
|
LOOKUP.findStatic(T.class, "f1", MethodType.methodType(int.class)));
|
|
|
|
// Monitor LambdaForm GC
|
|
lform = new PhantomReference<>(MethodHandleHelper.getLambdaForm(mh), rq);
|
|
|
|
test(0);
|
|
WB.clearInlineCaches();
|
|
test(0);
|
|
|
|
mh = NonInlinedReinvoker.make(
|
|
LOOKUP.findStatic(T.class, "f2", MethodType.methodType(int.class)));
|
|
|
|
Reference<?> ref = null;
|
|
while (ref == null) {
|
|
WB.fullGC();
|
|
try {
|
|
ref = rq.remove(1000);
|
|
} catch (InterruptedException e) { /*ignore*/ }
|
|
}
|
|
|
|
test(1);
|
|
WB.clearInlineCaches();
|
|
test(1);
|
|
|
|
System.out.println("TEST PASSED");
|
|
}
|
|
}
|