66 lines
2.7 KiB
Java
66 lines
2.7 KiB
Java
/*
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* Copyright (c) 2011, 2012, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/**
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* @test
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* @bug 7116216
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* @summary The vm crashes when GC happens during throwing a StackOverflow exception
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* @library /
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* @run main/othervm -Xcomp -Xbatch compiler.interpreter.cr7116216.StackOverflow
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*/
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package compiler.interpreter.cr7116216;
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public class StackOverflow {
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static String stackOverflow_largeFrame_liveOopForGC;
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public static int stackOverflow_largeFrame(int call_count, String liveOopForGC) {
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try {
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int return_count = stackOverflow_largeFrame(++call_count, liveOopForGC);
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if (return_count == 0) {
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try {
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LargeFrame.method_with_many_locals(liveOopForGC, 2,3,4,5,6,7,liveOopForGC);
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} catch (StackOverflowError e2) {
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// access liveOopForGC to make it a live variable
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stackOverflow_largeFrame_liveOopForGC = liveOopForGC;
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}
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}
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return return_count - 1;
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} catch (StackOverflowError e) {
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// Return a value that is large enough such that no unrecoverable
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// stack overflow will occur afterwards, but that is small enough
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// such that calling LargeFrame.method_with_many_locals() will
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// cause a StackOverflowError.
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// Don't use a call here because we're out of stack space anyway!
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int tmp = call_count / 2;
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return (tmp < 100 ? tmp : 100);
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}
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}
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public static void main(String args[]) {
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LargeFrame.method_with_many_locals(new Object(), 2,3,4,5,6,7,new Object());
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stackOverflow_largeFrame(0, "this is a live oop to test GC");
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System.out.println("finished ok!");
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}
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}
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