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annotate test/compiler/6930043/Test6930043.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 c18cbe5936b8
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 /*
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2 * Copyright (c) 2010, 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
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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 6930043
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28 * @summary C2: SIGSEGV in javasoft.sqe.tests.lang.arr017.arr01702.arr01702.loop_forw(II)I
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29 *
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30 * @run main Test6930043
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31 */
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33 import java.io.PrintStream;
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35 public class Test6930043 {
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36 int[] a;
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37 int idx;
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38
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39 public int loop_back(int i, int i_0_) {
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40 int i_1_ = 0;
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41 int[] is = a;
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42 if (is == null) return 0;
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43 for (int i_2_ = i; i_2_ >= i_0_; i_2_--)
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44 i_1_ += is[idx = i_2_];
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45 return i_1_;
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46 }
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47
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48 public int loop_forw(int start, int end) {
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49 int result = 0;
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50 int[] is = a;
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51 if (is == null) return 0;
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52 for (int index = start; index < end; index++)
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53 result += is[index];
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54 // result += is[idx = index];
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55 return result;
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56 }
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57
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58 public static void main(String[] strings) {
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59 Test6930043 var_Test6930043 = new Test6930043();
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60 var_Test6930043.a = new int[1000000];
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61 var_Test6930043.loop_forw(10, 999990);
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62 var_Test6930043.loop_forw(10, 999990);
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63 for (int i = 0; i < 3; i++) {
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64 try {
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65 if (var_Test6930043.loop_forw(-1, 999990) != 0) throw new InternalError();
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66 } catch (ArrayIndexOutOfBoundsException e) { }
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67 }
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68 var_Test6930043.loop_back(999990, 10);
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69 var_Test6930043.loop_back(999990, 10);
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70 for (int i = 0; i < 3; i++) {
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71 try {
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72 if (var_Test6930043.loop_back(999990, -1) != 0) throw new InternalError();
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73 } catch (ArrayIndexOutOfBoundsException e) { }
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74 }
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75 }
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76 }