Mercurial > hg > truffle
annotate test/compiler/7116216/StackOverflow.java @ 14094:3f27e57439ed
Truffle/Instrumentation: significant rearrangement (including moved class) and extension of the Truffle Instrumentation Framework. New interfaces include DebugContext (which can be attached to the ExecutionContext), through which access is provided to possibly language-specific (a) node instrumentation, (b) debug services manager, (c) notification when programs halt, (d) display of language values, and (e) display of variable identifiers.
| author | Michael Van De Vanter <michael.van.de.vanter@oracle.com> |
|---|---|
| date | Mon, 03 Feb 2014 20:58:23 -0800 |
| parents | b9a9ed0f8eeb |
| children |
| rev | line source |
|---|---|
| 4743 | 1 /* |
|
6842
b9a9ed0f8eeb
7197424: update copyright year to match last edit in jdk8 hotspot repository
mikael
parents:
4778
diff
changeset
|
2 * Copyright (c) 2011, 2012, Oracle and/or its affiliates. All rights reserved. |
| 4743 | 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 /** | |
| 26 * @test | |
| 27 * @bug 7116216 | |
| 28 * @summary The vm crashes when GC happens during throwing a StackOverflow exception | |
| 29 * | |
| 30 * @run main/othervm -Xcomp -Xbatch StackOverflow | |
| 31 */ | |
| 32 | |
| 4778 | 33 public class StackOverflow { |
| 4743 | 34 static String stackOverflow_largeFrame_liveOopForGC; |
| 35 | |
| 36 public static int stackOverflow_largeFrame(int call_count, String liveOopForGC) { | |
| 37 try { | |
| 38 int return_count = stackOverflow_largeFrame(++call_count, liveOopForGC); | |
| 39 if (return_count == 0) { | |
| 40 try { | |
| 41 LargeFrame.method_with_many_locals(liveOopForGC, 2,3,4,5,6,7,liveOopForGC); | |
| 42 } catch (StackOverflowError e2) { | |
| 43 // access liveOopForGC to make it a live variable | |
| 44 stackOverflow_largeFrame_liveOopForGC = liveOopForGC; | |
| 45 } | |
| 46 } | |
| 47 return return_count - 1; | |
| 48 } catch (StackOverflowError e) { | |
| 49 // Return a value that is large enough such that no unrecoverable | |
| 50 // stack overflow will occur afterwards, but that is small enough | |
| 51 // such that calling LargeFrame.method_with_many_locals() will | |
| 52 // cause a StackOverflowError. | |
| 53 // Don't use a call here because we're out of stack space anyway! | |
| 54 int tmp = call_count / 2; | |
| 55 return (tmp < 100 ? tmp : 100); | |
| 56 } | |
| 57 } | |
| 58 public static void main(String args[]) { | |
| 59 LargeFrame.method_with_many_locals(new Object(), 2,3,4,5,6,7,new Object()); | |
| 60 | |
| 61 stackOverflow_largeFrame(0, "this is a live oop to test GC"); | |
| 62 System.out.println("finished ok!"); | |
| 63 } | |
| 64 } |