Mercurial > hg > graal-compiler
view test/compiler/7116216/StackOverflow.java @ 13745:978587c91373
Merge
author | Tom Rodriguez <tom.rodriguez@oracle.com> |
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date | Thu, 23 Jan 2014 16:35:57 -0800 |
parents | b9a9ed0f8eeb |
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/* * Copyright (c) 2011, 2012, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. * */ /** * @test * @bug 7116216 * @summary The vm crashes when GC happens during throwing a StackOverflow exception * * @run main/othervm -Xcomp -Xbatch StackOverflow */ public class StackOverflow { static String stackOverflow_largeFrame_liveOopForGC; public static int stackOverflow_largeFrame(int call_count, String liveOopForGC) { try { int return_count = stackOverflow_largeFrame(++call_count, liveOopForGC); if (return_count == 0) { try { LargeFrame.method_with_many_locals(liveOopForGC, 2,3,4,5,6,7,liveOopForGC); } catch (StackOverflowError e2) { // access liveOopForGC to make it a live variable stackOverflow_largeFrame_liveOopForGC = liveOopForGC; } } return return_count - 1; } catch (StackOverflowError e) { // Return a value that is large enough such that no unrecoverable // stack overflow will occur afterwards, but that is small enough // such that calling LargeFrame.method_with_many_locals() will // cause a StackOverflowError. // Don't use a call here because we're out of stack space anyway! int tmp = call_count / 2; return (tmp < 100 ? tmp : 100); } } public static void main(String args[]) { LargeFrame.method_with_many_locals(new Object(), 2,3,4,5,6,7,new Object()); stackOverflow_largeFrame(0, "this is a live oop to test GC"); System.out.println("finished ok!"); } }