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view test/gc/g1/TestPrintRegionRememberedSetInfo.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 | e3c8767c5cf8 |
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 TestPrintRegionRememberedSetInfo * @key gc * @bug 8014240 * @summary Test output of G1PrintRegionRememberedSetInfo * @library /testlibrary * @run main TestPrintRegionRememberedSetInfo * @author thomas.schatzl@oracle.com */ import com.oracle.java.testlibrary.*; import java.lang.Thread; import java.util.ArrayList; import java.util.Arrays; class RunAndWaitForMarking { public static void main(String[] args) { System.gc(); try { Thread.sleep(200); } catch (InterruptedException e) { } } } public class TestPrintRegionRememberedSetInfo { public static String runTest(String arg) throws Exception { ArrayList<String> finalargs = new ArrayList<String>(); String[] defaultArgs = new String[] { "-XX:+UseG1GC", "-Xmx10m", "-XX:+ExplicitGCInvokesConcurrent", "-XX:+UnlockDiagnosticVMOptions", "-XX:+G1PrintRegionLivenessInfo", "-XX:G1HeapRegionSize=1M", "-XX:InitiatingHeapOccupancyPercent=0", }; finalargs.addAll(Arrays.asList(defaultArgs)); finalargs.add(arg); finalargs.add(RunAndWaitForMarking.class.getName()); ProcessBuilder pb = ProcessTools.createJavaProcessBuilder( finalargs.toArray(new String[0])); OutputAnalyzer output = new OutputAnalyzer(pb.start()); output.shouldHaveExitValue(0); String result = output.getStdout(); return result; } public static void main(String[] args) throws Exception { String result; result = runTest("-XX:+G1PrintRegionLivenessInfo"); // check that we got region statistics output if (result.indexOf("PHASE") == -1) { throw new RuntimeException("Unexpected output from -XX:+PrintRegionLivenessInfo found."); } result = runTest("-XX:-G1PrintRegionLivenessInfo"); if (result.indexOf("remset") != -1) { throw new RuntimeException("Should find remembered set information in output."); } } }