comparison test/compiler/whitebox/GetNMethodTest.java @ 17817:4abb719c5620

8038240: new WB API to get nmethod Reviewed-by: morris, kvn
author iignatyev
date Thu, 27 Mar 2014 11:17:26 +0400
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17816:3829d0343db0 17817:4abb719c5620
1 /*
2 * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
23 */
24
25 import sun.hotspot.code.NMethod;
26
27 /*
28 * @test GetNMethodTest
29 * @bug 8038240
30 * @library /testlibrary /testlibrary/whitebox
31 * @build GetNMethodTest
32 * @run main ClassFileInstaller sun.hotspot.WhiteBox
33 * @run main/othervm -Xbootclasspath/a:. -Xmixed -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -XX:CompileCommand=compileonly,SimpleTestCase$Helper::* GetNMethodTest
34 * @summary testing of WB::getNMethod()
35 * @author igor.ignatyev@oracle.com
36 */
37 public class GetNMethodTest extends CompilerWhiteBoxTest {
38 public static void main(String[] args) throws Exception {
39 CompilerWhiteBoxTest.main(GetNMethodTest::new, args);
40 }
41
42 private GetNMethodTest(TestCase testCase) {
43 super(testCase);
44 // to prevent inlining of #method
45 WHITE_BOX.testSetDontInlineMethod(method, true);
46 }
47
48 @Override
49 protected void test() throws Exception {
50 checkNotCompiled();
51
52 compile();
53 checkCompiled();
54 NMethod nmethod = NMethod.get(method, testCase.isOsr());
55 if (IS_VERBOSE) {
56 System.out.println("nmethod = " + nmethod);
57 }
58 if (nmethod == null) {
59 throw new RuntimeException("nmethod of compiled method is null");
60 }
61 if (nmethod.insts.length == 0) {
62 throw new RuntimeException("compiled method's instructions is empty");
63 }
64 deoptimize();
65 checkNotCompiled();
66 nmethod = NMethod.get(method, testCase.isOsr());
67 if (nmethod != null) {
68 throw new RuntimeException("nmethod of non-compiled method isn't null");
69 }
70 }
71 }