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 }