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annotate test/compiler/7199742/Test7199742.java @ 10988:cd54c7e92908

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8015660: Test8009761.java "Failed: init recursive calls: 24. After deopt 25" Summary: Windows reserves and only partially commits thread stack. For detecting more thread stack space for execution, Windows installs one-shot page as guard page just before the current commited edge. It will trigger STACK_OVERFLOW_EXCEPTION when lands on last 4 pages of thread stack space. StackYellowPages default value is 2 on Windows (plus 1 page of StackRedPages, 3 pages guarded by hotspot) so the exception happens one page before Yellow pages. Same route executed second time will have one more page brought in, this leads same execution with different stack depth(interpreter mode). We need match Windows settings so the stack overflow exception will not happen before Yellow pages. Reviewed-by: dholmes Contributed-by: andreas.schoesser@sap.com
author minqi
date Tue, 18 Jun 2013 09:08:35 -0700
parents f13867c41f73
children
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1 /*
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2 * Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
f13867c41f73 7199742: A lot of C2 OSR compilations of the same method's bci
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 *
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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20 * or visit www.oracle.com if you need additional information or have any
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21 * questions.
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22 *
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23 */
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24
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25 /**
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26 * @test
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27 * @bug 7199742
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28 * @summary A lot of C2 OSR compilations of the same method's bci
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29 *
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30 * @run main/othervm -Xmx32m -Xbatch Test7199742
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31 */
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32
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33 public class Test7199742 {
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34 private static final int ITERS = 10000000;
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35 public static void main(String args[]) {
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36 Test7199742 t = new Test7199742();
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37 for (int i=0; i<10; i++) {
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38 test(t, 7);
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39 }
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40 }
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41 static Test7199742 test(Test7199742 t, int m) {
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42 int i = -(ITERS/2);
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43 if (i == 0) return null;
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44 Test7199742 v = null;
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45 while(i < ITERS) {
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46 if ((i&m) == 0) {
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47 v = t;
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48 }
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49 i++;
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50 }
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51 return v;
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52 }
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53 }
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54