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 * sun.hotspot.WhiteBox$WhiteBoxPermission
34 * @run main/othervm -Xbootclasspath/a:. -Xmixed -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -XX:CompileCommand=compileonly,SimpleTestCase$Helper::* GetNMethodTest
35 * @summary testing of WB::getNMethod()
36 * @author igor.ignatyev@oracle.com
37 */
38 public class GetNMethodTest extends CompilerWhiteBoxTest {
39 public static void main(String[] args) throws Exception {
40 CompilerWhiteBoxTest.main(GetNMethodTest::new, args);
41 }
42
43 private GetNMethodTest(TestCase testCase) {
44 super(testCase);
45 // to prevent inlining of #method
46 WHITE_BOX.testSetDontInlineMethod(method, true);
47 }
48
49 @Override
50 protected void test() throws Exception {
51 checkNotCompiled();
52
53 compile();
54 checkCompiled();
55 NMethod nmethod = NMethod.get(method, testCase.isOsr());
56 if (IS_VERBOSE) {
57 System.out.println("nmethod = " + nmethod);
58 }
59 if (nmethod == null) {
60 throw new RuntimeException("nmethod of compiled method is null");
61 }
62 if (nmethod.insts.length == 0) {
63 throw new RuntimeException("compiled method's instructions is empty");
64 }
65 deoptimize();
66 checkNotCompiled();
67 nmethod = NMethod.get(method, testCase.isOsr());
68 if (nmethod != null) {
69 throw new RuntimeException("nmethod of non-compiled method isn't null");
70 }
71 }
72 }
|
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.BlobType;
26 import sun.hotspot.code.NMethod;
27 import com.oracle.java.testlibrary.Asserts;
28
29 /*
30 * @test GetNMethodTest
31 * @bug 8038240
32 * @library /testlibrary /testlibrary/whitebox
33 * @build GetNMethodTest
34 * @run main ClassFileInstaller sun.hotspot.WhiteBox
35 * sun.hotspot.WhiteBox$WhiteBoxPermission
36 * @run main/othervm -Xbootclasspath/a:. -Xmixed -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -XX:CompileCommand=compileonly,SimpleTestCase$Helper::* GetNMethodTest
37 * @summary testing of WB::getNMethod()
38 * @author igor.ignatyev@oracle.com
39 */
40 public class GetNMethodTest extends CompilerWhiteBoxTest {
41 public static void main(String[] args) throws Exception {
42 CompilerWhiteBoxTest.main(GetNMethodTest::new, args);
43 }
44
45 private GetNMethodTest(TestCase testCase) {
46 super(testCase);
47 // to prevent inlining of #method
48 WHITE_BOX.testSetDontInlineMethod(method, true);
49 }
50
51 @Override
52 protected void test() throws Exception {
53 checkNotCompiled();
54
55 compile();
56 checkCompiled();
57
58 NMethod nmethod = NMethod.get(method, testCase.isOsr());
59 if (IS_VERBOSE) {
60 System.out.println("nmethod = " + nmethod);
61 }
62 Asserts.assertNotNull(nmethod,
63 "nmethod of compiled method is null");
64 Asserts.assertNotNull(nmethod.insts,
65 "nmethod.insts of compiled method is null");
66 Asserts.assertGT(nmethod.insts.length, 0,
67 "compiled method's instructions is empty");
68 Asserts.assertNotNull(nmethod.code_blob_type, "blob type is null");
69 if (WHITE_BOX.getBooleanVMFlag("SegmentedCodeCache")) {
70 Asserts.assertNE(nmethod.code_blob_type, BlobType.All);
71 switch (nmethod.comp_level) {
72 case 1:
73 case 4:
74 checkBlockType(nmethod, BlobType.MethodNonProfiled);
75 break;
76 case 2:
77 case 3:
78 checkBlockType(nmethod, BlobType.MethodNonProfiled);
79 break;
80 default:
81 throw new Error("unexpected comp level " + nmethod);
82 }
83 } else {
84 Asserts.assertEQ(nmethod.code_blob_type, BlobType.All);
85 }
86
87 deoptimize();
88 checkNotCompiled();
89 nmethod = NMethod.get(method, testCase.isOsr());
90 Asserts.assertNull(nmethod,
91 "nmethod of non-compiled method isn't null");
92 }
93
94 private void checkBlockType(NMethod nmethod, BlobType expectedType) {
95 Asserts.assertEQ(nmethod.code_blob_type, expectedType,
96 String.format("blob_type[%s] for %d level isn't %s",
97 nmethod.code_blob_type, nmethod.comp_level, expectedType));
98 }
99 }
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