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test/runtime/ReservedStack/ReservedStackTest.java

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*** 1,7 **** /* ! * Copyright (c) 2015, 2016, 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. --- 1,7 ---- /* ! * Copyright (c) 2015, 2017, 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.
*** 110,119 **** --- 110,121 ---- * */ import java.util.concurrent.locks.ReentrantLock; import jdk.test.lib.Platform; + import jdk.test.lib.process.ProcessTools; + import jdk.test.lib.process.OutputAnalyzer; public class ReservedStackTest { static class ReentrantLockTest {
*** 195,212 **** System.out.println("Framework got StackOverflowError at frame = " + counter); System.out.println("Test started execution at frame = " + (counter - deframe)); String result = test.getResult(); // The feature is not fully implemented on all platforms, // corruptions are still possible. ! boolean supportedPlatform = ! Platform.isAix() || ! (Platform.isLinux() && ! (Platform.isPPC() || Platform.isS390x() || Platform.isX64() || ! Platform.isX86() || Platform.isAArch64())) || ! Platform.isOSX() || ! Platform.isSolaris(); ! if (supportedPlatform && !result.contains("PASSED")) { System.out.println(result); throw new Error(result); } else { // Either the test passed or this platform is not supported. // On not supported platforms, we only expect the VM to --- 197,207 ---- System.out.println("Framework got StackOverflowError at frame = " + counter); System.out.println("Test started execution at frame = " + (counter - deframe)); String result = test.getResult(); // The feature is not fully implemented on all platforms, // corruptions are still possible. ! if (isSupportedPlatform && !result.contains("PASSED")) { System.out.println(result); throw new Error(result); } else { // Either the test passed or this platform is not supported. // On not supported platforms, we only expect the VM to
*** 235,245 **** test.run(); } } } ! public static void main(String[] args) { for (int i = 0; i < 1000; i++) { // Each iteration has to be executed by a new thread. The test // relies on the random size area pushed by the VM at the beginning // of the stack of each Java thread it creates. Thread thread = new Thread(new RunWithSOEContext(new ReentrantLockTest(), 256)); --- 230,296 ---- test.run(); } } } ! public static boolean isAlwaysSupportedPlatform() { ! // Note: To date Aarch64 is the only platform that we don't statically ! // know if it supports the reserved stack area. This is because the ! // open Aarch64 port supports it and the Oracle arm64 port does not. ! return Platform.isAix() || ! (Platform.isLinux() && ! (Platform.isPPC() || Platform.isS390x() || Platform.isX64() || ! Platform.isX86())) || ! Platform.isOSX() || ! Platform.isSolaris(); ! } ! ! public static boolean isNeverSupportedPlatform() { ! return !isAlwaysSupportedPlatform() && !Platform.isAArch64(); ! } ! ! public static boolean isSupportedPlatform; ! ! public static void initIsSupportedPlatform() throws Exception { ! // In order to dynamicaly determine if the platform supports the reserved ! // stack area, run with -XX:StackReservedPages=1 and see if we get the ! // expected warning message for platforms that don't support it. ! ProcessBuilder pb = ProcessTools.createJavaProcessBuilder("-XX:StackReservedPages=1", "-version"); ! OutputAnalyzer output = new OutputAnalyzer(pb.start()); ! System.out.println("StackReservedPages=1 log: [" + output.getOutput() + "]"); ! if (output.getExitValue() != 0) { ! String msg = "Could not launch with -XX:StackReservedPages=1: exit " + output.getExitValue(); ! System.err.println("FAILED: " + msg); ! throw new RuntimeException(msg); ! } ! ! boolean isSupportedPlatform = true; ! String matchStr = "Reserved Stack Area not supported on this platform"; ! int match_idx = output.getOutput().indexOf(matchStr); ! if (match_idx >= 0) { ! isSupportedPlatform = false; ! } ! ! // Do a sanity check. Some platforms we know are always supported. Make sure ! // we didn't determine that one of those platforms is not supported. ! if (!isSupportedPlatform && isAlwaysSupportedPlatform()) { ! String msg = "This platform should be supported: " + Platform.getOsArch(); ! System.err.println("FAILED: " + msg); ! throw new RuntimeException(msg); ! } ! ! // And some platforms we know are never supported. Make sure ! // we didn't determine that one of those platforms is supported. ! if (isSupportedPlatform && isNeverSupportedPlatform()) { ! String msg = "This platform should not be supported: " + Platform.getOsArch(); ! System.err.println("FAILED: " + msg); ! throw new RuntimeException(msg); ! } ! } ! ! public static void main(String[] args) throws Exception { ! initIsSupportedPlatform(); for (int i = 0; i < 1000; i++) { // Each iteration has to be executed by a new thread. The test // relies on the random size area pushed by the VM at the beginning // of the stack of each Java thread it creates. Thread thread = new Thread(new RunWithSOEContext(new ReentrantLockTest(), 256));
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