Mercurial > jdk8-mips64-public > hotspot / file comparison
comparison: test/compiler/7116216/StackOverflow.java
test/compiler/7116216/StackOverflow.java
- changeset 3372
- dca455dea3a7
- child 3407
- 35acf8f0a2e4
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| 3371:8fdf463085e1 | 3372:dca455dea3a7 |
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| 1 /* | |
| 2 * Copyright (c) 2011, 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 /** | |
| 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 | |
| 33 class StackOverflow { | |
| 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 } |
