--- a/jdk/test/lib/testlibrary/jdk/testlibrary/Platform.java Mon Jul 03 12:58:30 2017 +0530
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,209 +0,0 @@
-/*
- * Copyright (c) 2013, 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.
- *
- * 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.
- */
-
-package jdk.testlibrary;
-import java.util.regex.Pattern;
-import java.io.RandomAccessFile;
-import java.io.FileNotFoundException;
-import java.io.IOException;
-
-/**
- * @deprecated This class is deprecated. Use the one from
- * {@code <root>/test/lib/jdk/test/lib}
- */
-@Deprecated
-public class Platform {
- private static final String osName = System.getProperty("os.name");
- private static final String dataModel = System.getProperty("sun.arch.data.model");
- private static final String vmVersion = System.getProperty("java.vm.version");
- private static final String jdkDebug = System.getProperty("jdk.debug");
- private static final String osArch = System.getProperty("os.arch");
- private static final String vmName = System.getProperty("java.vm.name");
- private static final String userName = System.getProperty("user.name");
- private static final String compiler = System.getProperty("sun.management.compiler");
-
- public static boolean isClient() {
- return vmName.endsWith(" Client VM");
- }
-
- public static boolean isServer() {
- return vmName.endsWith(" Server VM");
- }
-
- public static boolean isGraal() {
- return vmName.endsWith(" Graal VM");
- }
-
- public static boolean isMinimal() {
- return vmName.endsWith(" Minimal VM");
- }
-
- public static boolean isTieredSupported() {
- return compiler.contains("Tiered Compilers");
- }
-
-
- public static boolean is32bit() {
- return dataModel.equals("32");
- }
-
- public static boolean is64bit() {
- return dataModel.equals("64");
- }
-
- public static boolean isAix() {
- return isOs("aix");
- }
-
- public static boolean isLinux() {
- return isOs("linux");
- }
-
- public static boolean isOSX() {
- return isOs("mac");
- }
-
- public static boolean isSolaris() {
- return isOs("sunos");
- }
-
- public static boolean isWindows() {
- return isOs("win");
- }
-
- private static boolean isOs(String osname) {
- return osName.toLowerCase().startsWith(osname.toLowerCase());
- }
-
- public static String getOsName() {
- return osName;
- }
-
- public static boolean isDebugBuild() {
- return (jdkDebug.toLowerCase().contains("debug"));
- }
-
- public static String getVMVersion() {
- return vmVersion;
- }
-
- // Returns true for sparc and sparcv9.
- public static boolean isSparc() {
- return isArch("sparc.*");
- }
-
- public static boolean isARM() {
- return isArch("arm.*");
- }
-
- public static boolean isPPC() {
- return isArch("ppc.*");
- }
-
- public static boolean isX86() {
- // On Linux it's 'i386', Windows 'x86' without '_64' suffix.
- return isArch("(i386)|(x86(?!_64))");
- }
-
- public static boolean isX64() {
- // On OSX it's 'x86_64' and on other (Linux, Windows and Solaris) platforms it's 'amd64'
- return isArch("(amd64)|(x86_64)");
- }
-
- private static boolean isArch(String archnameRE) {
- return Pattern.compile(archnameRE, Pattern.CASE_INSENSITIVE)
- .matcher(osArch)
- .matches();
- }
-
- public static String getOsArch() {
- return osArch;
- }
-
- /**
- * Return a boolean for whether we expect to be able to attach
- * the SA to our own processes on this system.
- */
- public static boolean shouldSAAttach()
- throws IOException {
-
- if (isAix()) {
- return false; // SA not implemented.
- } else if (isLinux()) {
- return canPtraceAttachLinux();
- } else if (isOSX()) {
- return canAttachOSX();
- } else {
- // Other platforms expected to work:
- return true;
- }
- }
-
- /**
- * On Linux, first check the SELinux boolean "deny_ptrace" and return false
- * as we expect to be denied if that is "1".
- */
- public static boolean canPtraceAttachLinux()
- throws IOException {
-
- // SELinux deny_ptrace:
- try(RandomAccessFile file = new RandomAccessFile("/sys/fs/selinux/booleans/deny_ptrace", "r")) {
- if (file.readByte() != '0') {
- return false;
- }
- }
- catch(FileNotFoundException ex) {
- // Ignored
- }
-
- // YAMA enhanced security ptrace_scope:
- // 0 - a process can PTRACE_ATTACH to any other process running under the same uid
- // 1 - restricted ptrace: a process must be a children of the inferior or user is root
- // 2 - only processes with CAP_SYS_PTRACE may use ptrace or user is root
- // 3 - no attach: no processes may use ptrace with PTRACE_ATTACH
-
- try(RandomAccessFile file = new RandomAccessFile("/proc/sys/kernel/yama/ptrace_scope", "r")) {
- byte yama_scope = file.readByte();
- if (yama_scope == '3') {
- return false;
- }
-
- if (!userName.equals("root") && yama_scope != '0') {
- return false;
- }
- }
- catch(FileNotFoundException ex) {
- // Ignored
- }
-
- // Otherwise expect to be permitted:
- return true;
- }
-
- /**
- * On OSX, expect permission to attach only if we are root.
- */
- public static boolean canAttachOSX() {
- return userName.equals("root");
- }
-}