1 /* 2 * Copyright (c) 2013, 2020, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 package jdk.test.lib; 25 26 import java.io.File; 27 import java.io.FileNotFoundException; 28 import java.io.IOException; 29 import java.nio.file.Path; 30 import java.nio.file.Paths; 31 import java.security.AccessController; 32 import java.security.PrivilegedAction; 33 import java.util.concurrent.TimeUnit; 34 import java.util.regex.Pattern; 35 36 public class Platform { 37 public static final String vmName = privilegedGetProperty("java.vm.name"); 38 public static final String vmInfo = privilegedGetProperty("java.vm.info"); 39 private static final String osVersion = privilegedGetProperty("os.version"); 40 private static int osVersionMajor = -1; 41 private static int osVersionMinor = -1; 42 private static final String osName = privilegedGetProperty("os.name"); 43 private static final String dataModel = privilegedGetProperty("sun.arch.data.model"); 44 private static final String vmVersion = privilegedGetProperty("java.vm.version"); 45 private static final String jdkDebug = privilegedGetProperty("jdk.debug"); 46 private static final String osArch = privilegedGetProperty("os.arch"); 47 private static final String userName = privilegedGetProperty("user.name"); 48 private static final String compiler = privilegedGetProperty("sun.management.compiler"); 49 private static final String testJdk = privilegedGetProperty("test.jdk"); 50 51 private static String privilegedGetProperty(String key) { 52 return AccessController.doPrivileged(( 53 PrivilegedAction<String>) () -> System.getProperty(key)); 54 } 55 56 public static boolean isClient() { 57 return vmName.endsWith(" Client VM"); 58 } 59 60 public static boolean isServer() { 61 return vmName.endsWith(" Server VM"); 62 } 63 64 public static boolean isZero() { 65 return vmName.endsWith(" Zero VM"); 66 } 67 68 public static boolean isMinimal() { 69 return vmName.endsWith(" Minimal VM"); 70 } 71 72 public static boolean isEmbedded() { 73 return vmName.contains("Embedded"); 74 } 75 76 public static boolean isEmulatedClient() { 77 return vmInfo.contains(" emulated-client"); 78 } 79 80 public static boolean isTieredSupported() { 81 return compiler.contains("Tiered Compilers"); 82 } 83 84 public static boolean isInt() { 85 return vmInfo.contains("interpreted"); 86 } 87 88 public static boolean isMixed() { 89 return vmInfo.contains("mixed"); 90 } 91 92 public static boolean isComp() { 93 return vmInfo.contains("compiled"); 94 } 95 96 public static boolean is32bit() { 97 return dataModel.equals("32"); 98 } 99 100 public static boolean is64bit() { 101 return dataModel.equals("64"); 102 } 103 104 public static boolean isAix() { 105 return isOs("aix"); 106 } 107 108 public static boolean isLinux() { 109 return isOs("linux"); 110 } 111 112 public static boolean isOSX() { 113 return isOs("mac"); 114 } 115 116 public static boolean isWindows() { 117 return isOs("win"); 118 } 119 120 private static boolean isOs(String osname) { 121 return osName.toLowerCase().startsWith(osname.toLowerCase()); 122 } 123 124 public static String getOsName() { 125 return osName; 126 } 127 128 // Os version support. 129 private static void init_version() { 130 String[] osVersionTokens = osVersion.split("\\."); 131 try { 132 if (osVersionTokens.length > 0) { 133 osVersionMajor = Integer.parseInt(osVersionTokens[0]); 134 if (osVersionTokens.length > 1) { 135 osVersionMinor = Integer.parseInt(osVersionTokens[1]); 136 } 137 } 138 } catch (NumberFormatException e) { 139 osVersionMajor = osVersionMinor = 0; 140 } 141 } 142 143 public static String getOsVersion() { 144 return osVersion; 145 } 146 147 // Returns major version number from os.version system property. 148 // E.g. 3 on SLES 11.3 (for the linux kernel version). 149 public static int getOsVersionMajor() { 150 if (osVersionMajor == -1) init_version(); 151 return osVersionMajor; 152 } 153 154 // Returns minor version number from os.version system property. 155 // E.g. 0 on SLES 11.3 (for the linux kernel version). 156 public static int getOsVersionMinor() { 157 if (osVersionMinor == -1) init_version(); 158 return osVersionMinor; 159 } 160 161 public static boolean isDebugBuild() { 162 return (jdkDebug.toLowerCase().contains("debug")); 163 } 164 165 public static boolean isSlowDebugBuild() { 166 return (jdkDebug.toLowerCase().equals("slowdebug")); 167 } 168 169 public static boolean isFastDebugBuild() { 170 return (jdkDebug.toLowerCase().equals("fastdebug")); 171 } 172 173 public static String getVMVersion() { 174 return vmVersion; 175 } 176 177 public static boolean isAArch64() { 178 return isArch("aarch64"); 179 } 180 181 public static boolean isARM() { 182 return isArch("arm.*"); 183 } 184 185 public static boolean isPPC() { 186 return isArch("ppc.*"); 187 } 188 189 // Returns true for IBM z System running linux. 190 public static boolean isS390x() { 191 return isArch("s390.*") || isArch("s/390.*") || isArch("zArch_64"); 192 } 193 194 public static boolean isX64() { 195 // On OSX it's 'x86_64' and on other (Linux and Windows) platforms it's 'amd64' 196 return isArch("(amd64)|(x86_64)"); 197 } 198 199 public static boolean isX86() { 200 // On Linux it's 'i386', Windows 'x86' without '_64' suffix. 201 return isArch("(i386)|(x86(?!_64))"); 202 } 203 204 public static String getOsArch() { 205 return osArch; 206 } 207 208 public static boolean isRoot() { 209 return userName.equals("root"); 210 } 211 212 /** 213 * Return a boolean for whether SA and jhsdb are ported/available 214 * on this platform. 215 */ 216 public static boolean hasSA() { 217 if (isAix()) { 218 return false; // SA not implemented. 219 } else if (isLinux()) { 220 if (isS390x() || isARM()) { 221 return false; // SA not implemented. 222 } 223 } 224 // Other platforms expected to work: 225 return true; 226 } 227 228 /** 229 * Return true if the test JDK is signed, otherwise false. Only valid on OSX. 230 */ 231 public static boolean isSignedOSX() throws IOException { 232 // We only care about signed binaries for 10.14 and later (actually 10.14.5, but 233 // for simplicity we'll also include earlier 10.14 versions). 234 if (getOsVersionMajor() == 10 && getOsVersionMinor() < 14) { 235 return false; // assume not signed 236 } 237 238 // Find the path to the java binary. 239 String jdkPath = System.getProperty("java.home"); 240 Path javaPath = Paths.get(jdkPath + "/bin/java"); 241 String javaFileName = javaPath.toAbsolutePath().toString(); 242 if (!javaPath.toFile().exists()) { 243 throw new FileNotFoundException("Could not find file " + javaFileName); 244 } 245 246 // Run codesign on the java binary. 247 ProcessBuilder pb = new ProcessBuilder("codesign", "-d", "-v", javaFileName); 248 pb.redirectError(ProcessBuilder.Redirect.DISCARD); 249 pb.redirectOutput(ProcessBuilder.Redirect.DISCARD); 250 Process codesignProcess = pb.start(); 251 try { 252 if (codesignProcess.waitFor(10, TimeUnit.SECONDS) == false) { 253 System.err.println("Timed out waiting for the codesign process to complete. Assuming not signed."); 254 codesignProcess.destroyForcibly(); 255 return false; // assume not signed 256 } 257 } catch (InterruptedException e) { 258 throw new RuntimeException(e); 259 } 260 261 // Check codesign result to see if java binary is signed. Here are the 262 // exit code meanings: 263 // 0: signed 264 // 1: not signed 265 // 2: invalid arguments 266 // 3: only has meaning with the -R argument. 267 // So we should always get 0 or 1 as an exit value. 268 if (codesignProcess.exitValue() == 0) { 269 System.out.println("Target JDK is signed. Some tests may be skipped."); 270 return true; // signed 271 } else if (codesignProcess.exitValue() == 1) { 272 System.out.println("Target JDK is not signed."); 273 return false; // not signed 274 } else { 275 System.err.println("Executing codesign failed. Assuming unsigned: " + 276 codesignProcess.exitValue()); 277 return false; // not signed 278 } 279 } 280 281 private static boolean isArch(String archnameRE) { 282 return Pattern.compile(archnameRE, Pattern.CASE_INSENSITIVE) 283 .matcher(osArch) 284 .matches(); 285 } 286 287 /** 288 * Returns file extension of shared library, e.g. "so" on linux, "dll" on windows. 289 * @return file extension 290 */ 291 public static String sharedLibraryExt() { 292 if (isWindows()) { 293 return "dll"; 294 } else if (isOSX()) { 295 return "dylib"; 296 } else { 297 return "so"; 298 } 299 } 300 301 /* 302 * Returns name of system variable containing paths to shared native libraries. 303 */ 304 public static String sharedLibraryPathVariableName() { 305 if (isWindows()) { 306 return "PATH"; 307 } else if (isOSX()) { 308 return "DYLD_LIBRARY_PATH"; 309 } else if (isAix()) { 310 return "LIBPATH"; 311 } else { 312 return "LD_LIBRARY_PATH"; 313 } 314 } 315 316 /** 317 * Returns absolute path to directory containing shared libraries in the tested JDK. 318 */ 319 public static Path libDir() { 320 Path dir = Paths.get(testJdk); 321 if (Platform.isWindows()) { 322 return dir.resolve("bin").toAbsolutePath(); 323 } else { 324 return dir.resolve("lib").toAbsolutePath(); 325 } 326 } 327 328 /** 329 * Returns absolute path to directory containing JVM shared library. 330 */ 331 public static Path jvmLibDir() { 332 return libDir().resolve(variant()); 333 } 334 335 private static String variant() { 336 if (Platform.isServer()) { 337 return "server"; 338 } else if (Platform.isClient()) { 339 return "client"; 340 } else if (Platform.isMinimal()) { 341 return "minimal"; 342 } else { 343 throw new Error("TESTBUG: unsupported vm variant"); 344 } 345 } 346 347 348 public static boolean isDefaultCDSArchiveSupported() { 349 return (is64bit() && 350 isServer() && 351 (isLinux() || 352 isOSX() || 353 isWindows()) && 354 !isZero() && 355 !isMinimal() && 356 !isAArch64() && 357 !isARM()); 358 } 359 360 /* 361 * This should match the #if condition in ClassListParser::load_class_from_source(). 362 */ 363 public static boolean areCustomLoadersSupportedForCDS() { 364 return (is64bit() && (isLinux() || isOSX())); 365 } 366 }