108 lines
4.3 KiB
Java
108 lines
4.3 KiB
Java
/*
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* Copyright (c) 2015, 2020, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/*
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* @test
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* @bug 8136421
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* @requires vm.jvmci
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* @library /test/lib /
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* @library ../common/patches
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* @modules java.base/jdk.internal.misc
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* @modules java.base/jdk.internal.org.objectweb.asm
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* java.base/jdk.internal.org.objectweb.asm.tree
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* jdk.internal.vm.ci/jdk.vm.ci.code
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* jdk.internal.vm.ci/jdk.vm.ci.hotspot
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* jdk.internal.vm.ci/jdk.vm.ci.meta
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* jdk.internal.vm.ci/jdk.vm.ci.runtime
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*
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* @build jdk.internal.vm.ci/jdk.vm.ci.hotspot.CompilerToVMHelper
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* @build sun.hotspot.WhiteBox
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* compiler.jvmci.compilerToVM.DisassembleCodeBlobTest
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* @run driver ClassFileInstaller sun.hotspot.WhiteBox
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* @run main/othervm -Xbootclasspath/a:.
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* -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI
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* -XX:+UnlockExperimentalVMOptions -XX:+EnableJVMCI
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* -XX:-BackgroundCompilation
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* compiler.jvmci.compilerToVM.DisassembleCodeBlobTest
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*/
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package compiler.jvmci.compilerToVM;
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import jdk.test.lib.Asserts;
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import jdk.test.lib.Utils;
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import jdk.vm.ci.code.InstalledCode;
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import jdk.vm.ci.hotspot.CompilerToVMHelper;
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import sun.hotspot.code.NMethod;
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import java.util.List;
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public class DisassembleCodeBlobTest {
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public static void main(String[] args) {
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DisassembleCodeBlobTest test
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= new DisassembleCodeBlobTest();
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List<CompileCodeTestCase> testCases
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= CompileCodeTestCase.generate(/* bci = */ -1);
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testCases.forEach(test::check);
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testCases.stream().findAny().ifPresent(test::checkZero);
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test.checkNull();
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}
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private void checkNull() {
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Utils.runAndCheckException(
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() -> { CompilerToVMHelper.disassembleCodeBlob(null); },
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NullPointerException.class);
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}
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private void checkZero(CompileCodeTestCase testCase) {
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System.out.println("checkZero for " + testCase);
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testCase.deoptimize();
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InstalledCode installedCode = testCase.toInstalledCode();
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String str = CompilerToVMHelper.disassembleCodeBlob(installedCode);
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Asserts.assertNull(str, testCase
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+ " : non-null return value for invalid installCode");
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}
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private void check(CompileCodeTestCase testCase) {
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System.out.println(testCase);
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// to have a clean state
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NMethod nMethod = testCase.deoptimizeAndCompile();
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if (nMethod == null) {
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throw new Error(testCase + " : method is not compiled");
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}
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InstalledCode installedCode = testCase.toInstalledCode();
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String str1 = CompilerToVMHelper.disassembleCodeBlob(installedCode);
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if (str1 != null) {
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Asserts.assertGT(str1.length(), 0,
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testCase + " : returned string has to be non-zero length");
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}
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// The very first call to the disassembler contains a string specifying the
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// architecture: [Disassembling for mach='i386:x86-64']
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// Therefore compare strings 2 and 3.
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String str2 = CompilerToVMHelper.disassembleCodeBlob(installedCode);
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String str3 = CompilerToVMHelper.disassembleCodeBlob(installedCode);
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Asserts.assertEQ(str2, str3,
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testCase + " : 3nd invocation returned different value from 2nd");
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}
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}
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