Mercurial > hg > truffle
view test/gc/arguments/TestDynMinHeapFreeRatio.java @ 20228:f72d8917322a
8050978: Fix bad field access check in C1 and C2
Summary: JCK8 test vm/constantpool/accessControl/accessControl004/accessControl00402m3/accessControl00402m3.html fails with -Xbatch -Xcomp due to bad field access check in C1 and C2. Fix: In ciField::ciField(), just before the canonical holder is stored into the _holder variable (and which is used by ciField::will_link()) perform an additional access check with the holder declared in the class file. If this check fails, store the declared holder instead and ciField::will_link() will bail out compilation for this field later on. Then, the interpreter will throw an PrivilegedAccessException at runtime.
Reviewed-by: kvn, vlivanov
Contributed-by: andreas.schoesser@sap.com
author | goetz |
---|---|
date | Fri, 18 Jul 2014 09:04:01 +0200 |
parents | 3b4e1b5c13a0 |
children | e2976043eac3 |
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/* * Copyright (c) 2014, 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 TestDynMinHeapFreeRatio * @bug 8028391 * @summary Verify that MinHeapFreeRatio flag is manageable * @library /testlibrary * @run main TestDynMinHeapFreeRatio * @run main/othervm -XX:MinHeapFreeRatio=0 -XX:MaxHeapFreeRatio=100 TestDynMinHeapFreeRatio * @run main/othervm -XX:MinHeapFreeRatio=10 -XX:MaxHeapFreeRatio=50 -XX:-UseAdaptiveSizePolicy TestDynMinHeapFreeRatio * @run main/othervm -XX:MinHeapFreeRatio=10 -XX:MaxHeapFreeRatio=50 TestDynMinHeapFreeRatio * @run main/othervm -XX:MinHeapFreeRatio=51 -XX:MaxHeapFreeRatio=52 TestDynMinHeapFreeRatio * @run main/othervm -XX:MinHeapFreeRatio=75 -XX:MaxHeapFreeRatio=100 TestDynMinHeapFreeRatio */ import com.oracle.java.testlibrary.TestDynamicVMOption; import com.oracle.java.testlibrary.DynamicVMOptionChecker; public class TestDynMinHeapFreeRatio extends TestDynamicVMOption { public static final String MinFreeRatioFlagName = "MinHeapFreeRatio"; public static final String MaxFreeRatioFlagName = "MaxHeapFreeRatio"; public TestDynMinHeapFreeRatio() { super(MinFreeRatioFlagName); } public void test() { int maxHeapFreeValue = DynamicVMOptionChecker.getIntValue(MaxFreeRatioFlagName); System.out.println(MaxFreeRatioFlagName + " = " + maxHeapFreeValue); testPercentageValues(); checkInvalidValue(Integer.toString(maxHeapFreeValue + 1)); checkValidValue(Integer.toString(maxHeapFreeValue)); checkValidValue("0"); } public static void main(String args[]) throws Exception { new TestDynMinHeapFreeRatio().test(); } }