87 lines
3.8 KiB
Java
87 lines
3.8 KiB
Java
/*
|
|
* Copyright (c) 2022, Oracle and/or its affiliates. All rights reserved.
|
|
* Copyright (c) 2022 SAP SE. All rights reserved.ights 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 MHIntrinsicAllocFailureTest
|
|
* @bug 8295724
|
|
* @requires vm.compMode == "Xmixed"
|
|
* @requires vm.opt.TieredCompilation == null | vm.opt.TieredCompilation == true
|
|
* @requires vm.opt.TieredStopAtLevel == null | vm.opt.TieredStopAtLevel == 4
|
|
* @summary test allocation failure of method handle intrinsic in profiled/non-profiled space
|
|
* @library /test/lib
|
|
* @modules java.base/jdk.internal.misc
|
|
* java.management
|
|
*
|
|
* @build jdk.test.whitebox.WhiteBox
|
|
* @run driver jdk.test.lib.helpers.ClassFileInstaller jdk.test.whitebox.WhiteBox
|
|
* @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
|
|
* -XX:+WhiteBoxAPI -XX:CompileCommand=compileonly,null::*
|
|
* -XX:ReservedCodeCacheSize=16m -XX:+SegmentedCodeCache
|
|
* compiler.codecache.MHIntrinsicAllocFailureTest
|
|
*/
|
|
|
|
package compiler.codecache;
|
|
|
|
import jdk.test.lib.Asserts;
|
|
import jdk.test.whitebox.WhiteBox;
|
|
import jdk.test.whitebox.code.BlobType;
|
|
|
|
import java.lang.management.MemoryPoolMXBean;
|
|
|
|
public class MHIntrinsicAllocFailureTest {
|
|
private static final WhiteBox WHITE_BOX = WhiteBox.getWhiteBox();
|
|
|
|
private interface TestInterface {
|
|
int testMethod(int a, int b, Object c);
|
|
}
|
|
|
|
private static void fillCodeCacheSegment(BlobType type) {
|
|
// Fill with large blobs.
|
|
MemoryPoolMXBean bean = type.getMemoryPool();
|
|
int size = (int) (bean.getUsage().getMax() >> 7);
|
|
while (WHITE_BOX.allocateCodeBlob(size, type.id) != 0) {}
|
|
// Fill rest with minimal blobs.
|
|
while (WHITE_BOX.allocateCodeBlob(1, type.id) != 0) {}
|
|
}
|
|
|
|
public static void main(String[] args) {
|
|
// Lock compilation to be able to better control code cache space
|
|
WHITE_BOX.lockCompilation();
|
|
fillCodeCacheSegment(BlobType.MethodNonProfiled);
|
|
fillCodeCacheSegment(BlobType.MethodProfiled);
|
|
// JIT compilers should be off, now.
|
|
Asserts.assertNotEquals(WHITE_BOX.getCompilationActivityMode(), 1);
|
|
System.out.println("Code cache segments for non-profiled and profiled nmethods are full.");
|
|
// Generate and use a MH itrinsic. Should not trigger one of the following:
|
|
// - VirtualMachineError: Out of space in CodeCache for method handle intrinsic
|
|
// - InternalError: java.lang.NoSuchMethodException: no such method:
|
|
// java.lang.invoke.MethodHandle.linkToStatic(int,int,Object,MemberName)int/invokeStatic
|
|
TestInterface add2ints = (a, b, c) -> a + b;
|
|
System.out.println("Result of lambda expression: " + add2ints.testMethod(1, 2, null));
|
|
// Let GC check the code cache.
|
|
WHITE_BOX.unlockCompilation();
|
|
WHITE_BOX.fullGC();
|
|
}
|
|
}
|