Mercurial > jdk8-mips64-public > hotspot / annotate
test/compiler/6865265/StackOverflowBug.java@8c95980d0b66 (annotated)
test/compiler/6865265/StackOverflowBug.java
Sat, 07 Nov 2020 10:30:02 +0800
- author
- aoqi
- date
- Sat, 07 Nov 2020 10:30:02 +0800
- changeset 10026
- 8c95980d0b66
- parent 6876
- 710a3c8b516e
- permissions
- -rw-r--r--
Added tag mips-jdk8u275-b01 for changeset d3b4d62f391f
| aoqi@0 | 1 | /* |
| aoqi@0 | 2 | * Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved. |
| aoqi@0 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| aoqi@0 | 4 | * |
| aoqi@0 | 5 | * This code is free software; you can redistribute it and/or modify it |
| aoqi@0 | 6 | * under the terms of the GNU General Public License version 2 only, as |
| aoqi@0 | 7 | * published by the Free Software Foundation. |
| aoqi@0 | 8 | * |
| aoqi@0 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
| aoqi@0 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| aoqi@0 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| aoqi@0 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
| aoqi@0 | 13 | * accompanied this code). |
| aoqi@0 | 14 | * |
| aoqi@0 | 15 | * You should have received a copy of the GNU General Public License version |
| aoqi@0 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
| aoqi@0 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| aoqi@0 | 18 | * |
| aoqi@0 | 19 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| aoqi@0 | 20 | * or visit www.oracle.com if you need additional information or have any |
| aoqi@0 | 21 | * questions. |
| aoqi@0 | 22 | * |
| aoqi@0 | 23 | */ |
| aoqi@0 | 24 | |
| aoqi@0 | 25 | /** |
| aoqi@0 | 26 | * @test |
| aoqi@0 | 27 | * @bug 6865265 |
| aoqi@0 | 28 | * @summary JVM crashes with "missing exception handler" error |
| aoqi@0 | 29 | * @author volker.simonis@sap.com |
| aoqi@0 | 30 | * |
| aoqi@0 | 31 | * @run main/othervm -XX:CompileThreshold=100 -Xbatch -Xss248k StackOverflowBug |
| aoqi@0 | 32 | */ |
| aoqi@0 | 33 | |
| aoqi@0 | 34 | |
| aoqi@0 | 35 | public class StackOverflowBug { |
| aoqi@0 | 36 | |
| aoqi@0 | 37 | public static int run() { |
| aoqi@0 | 38 | try { |
| aoqi@0 | 39 | try { |
| aoqi@0 | 40 | return run(); |
| aoqi@0 | 41 | } catch (Throwable e) { |
| aoqi@0 | 42 | // Notice that the class 'Throwable' is NOT resolved by the verifier, |
| aoqi@0 | 43 | // because the verifier only checks if 'Throwable' is assignable to |
| aoqi@0 | 44 | // 'java.lang.Throwable' and this check succeeds immediately if the two |
| aoqi@0 | 45 | // types have equal names (see 'VerificationType::is_assignable_from' which |
| aoqi@0 | 46 | // is called from 'ClassVerifier::verify_exception_handler_table'). |
| aoqi@0 | 47 | // This is strange, because if the two classes have different names, |
| aoqi@0 | 48 | // 'is_assignable_from()' calls 'is_reference_assignable_from()' which resolves |
| aoqi@0 | 49 | // both classes by calling 'SystemDictionary::resolve_or_fail()'. This call |
| aoqi@0 | 50 | // also takes into account the current class loader (i.e. the one which was used |
| aoqi@0 | 51 | // to load this class) and would place a corresponding |
| aoqi@0 | 52 | // "java.lang.Throwable / current-Classloader" entry into the system dictionary. |
| aoqi@0 | 53 | // This would in turn allow C2 to see 'java.lang.Throwable' as "loaded" |
| aoqi@0 | 54 | // (see 'Parse::catch_inline_exceptions()') when this method is compiled. |
| aoqi@0 | 55 | return 42; |
| aoqi@0 | 56 | } |
| aoqi@0 | 57 | } |
| aoqi@0 | 58 | finally { |
| aoqi@0 | 59 | } |
| aoqi@0 | 60 | } |
| aoqi@0 | 61 | |
| aoqi@0 | 62 | public static void main(String argv[]) { |
| aoqi@0 | 63 | run(); |
| aoqi@0 | 64 | } |
| aoqi@0 | 65 | } |
| aoqi@0 | 66 | |
| aoqi@0 | 67 | /* |
| aoqi@0 | 68 | public static int run(); |
| aoqi@0 | 69 | Code: |
| aoqi@0 | 70 | 0: invokestatic #2 // Method run:()I |
| aoqi@0 | 71 | 3: istore_0 |
| aoqi@0 | 72 | 4: iload_0 |
| aoqi@0 | 73 | 5: ireturn |
| aoqi@0 | 74 | 6: astore_0 |
| aoqi@0 | 75 | 7: bipush 42 |
| aoqi@0 | 76 | 9: istore_1 |
| aoqi@0 | 77 | 10: iload_1 |
| aoqi@0 | 78 | 11: ireturn |
| aoqi@0 | 79 | 12: astore_2 |
| aoqi@0 | 80 | 13: aload_2 |
| aoqi@0 | 81 | 14: athrow |
| aoqi@0 | 82 | Exception table: |
| aoqi@0 | 83 | from to target type |
| aoqi@0 | 84 | 0 4 6 Class java/lang/Throwable |
| aoqi@0 | 85 | 0 4 12 any |
| aoqi@0 | 86 | 6 10 12 any |
| aoqi@0 | 87 | 12 13 12 any |
| aoqi@0 | 88 | |
| aoqi@0 | 89 | */ |
