| /* |
| * Copyright (c) 2015, 2016, 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 8136421 |
| * @requires (vm.simpleArch == "x64" | vm.simpleArch == "sparcv9" | vm.simpleArch == "aarch64") |
| * @library /test/lib / |
| * @library ../common/patches |
| * @modules java.base/jdk.internal.misc |
| * @modules java.base/jdk.internal.org.objectweb.asm |
| * java.base/jdk.internal.org.objectweb.asm.tree |
| * jdk.vm.ci/jdk.vm.ci.hotspot |
| * jdk.vm.ci/jdk.vm.ci.code |
| * |
| * @ignore 8139700 |
| * @build jdk.vm.ci/jdk.vm.ci.hotspot.CompilerToVMHelper sun.hotspot.WhiteBox |
| * @run driver ClassFileInstaller sun.hotspot.WhiteBox |
| * sun.hotspot.WhiteBox$WhiteBoxPermission |
| * @run main/othervm -Xbootclasspath/a:. |
| * -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI |
| * -XX:+UnlockExperimentalVMOptions -XX:+EnableJVMCI |
| * compiler.jvmci.compilerToVM.DisassembleCodeBlobTest |
| */ |
| |
| package compiler.jvmci.compilerToVM; |
| |
| import jdk.test.lib.Asserts; |
| import jdk.test.lib.Utils; |
| import jdk.vm.ci.code.InstalledCode; |
| import jdk.vm.ci.hotspot.CompilerToVMHelper; |
| import sun.hotspot.code.NMethod; |
| |
| import java.util.List; |
| |
| public class DisassembleCodeBlobTest { |
| |
| public static void main(String[] args) { |
| DisassembleCodeBlobTest test |
| = new DisassembleCodeBlobTest(); |
| List<CompileCodeTestCase> testCases |
| = CompileCodeTestCase.generate(/* bci = */ -1); |
| testCases.addAll(CompileCodeTestCase.generate(/* bci = */ 0)); |
| testCases.forEach(test::check); |
| testCases.stream().findAny().ifPresent(test::checkZero); |
| test.checkNull(); |
| } |
| |
| private void checkNull() { |
| Utils.runAndCheckException( |
| () -> CompilerToVMHelper.disassembleCodeBlob(null), |
| NullPointerException.class); |
| } |
| |
| private void checkZero(CompileCodeTestCase testCase) { |
| System.out.println("checkZero for " + testCase); |
| testCase.deoptimize(); |
| InstalledCode installedCode = testCase.toInstalledCode(); |
| String str = CompilerToVMHelper.disassembleCodeBlob(installedCode); |
| Asserts.assertNull(str, testCase |
| + " : non-null return value for invalid installCode"); |
| } |
| |
| private void check(CompileCodeTestCase testCase) { |
| System.out.println(testCase); |
| // to have a clean state |
| NMethod nMethod = testCase.deoptimizeAndCompile(); |
| if (nMethod == null) { |
| throw new Error(testCase + " : method is not compiled"); |
| } |
| InstalledCode installedCode = testCase.toInstalledCode(); |
| String str = CompilerToVMHelper.disassembleCodeBlob(installedCode); |
| if (str != null) { |
| Asserts.assertGT(str.length(), 0, |
| testCase + " : returned string has to be non-zero length"); |
| } |
| String str2 = CompilerToVMHelper.disassembleCodeBlob(installedCode); |
| Asserts.assertEQ(str, str2, |
| testCase + " : 2nd invocation returned different value"); |
| } |
| } |