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 isSolaris() {
117 return isOs("sunos");
118 }
119
120 public static boolean isWindows() {
121 return isOs("win");
122 }
123
124 private static boolean isOs(String osname) {
125 return osName.toLowerCase().startsWith(osname.toLowerCase());
126 }
127
128 public static String getOsName() {
129 return osName;
130 }
131
132 // Os version support.
133 private static void init_version() {
134 String[] osVersionTokens = osVersion.split("\\.");
135 try {
136 if (osVersionTokens.length > 0) {
137 osVersionMajor = Integer.parseInt(osVersionTokens[0]);
138 if (osVersionTokens.length > 1) {
139 osVersionMinor = Integer.parseInt(osVersionTokens[1]);
140 }
141 }
142 } catch (NumberFormatException e) {
143 osVersionMajor = osVersionMinor = 0;
144 }
145 }
146
147 public static String getOsVersion() {
148 return osVersion;
149 }
150
151 // Returns major version number from os.version system property.
152 // E.g. 5 on Solaris 10 and 3 on SLES 11.3 (for the linux kernel version).
153 public static int getOsVersionMajor() {
154 if (osVersionMajor == -1) init_version();
155 return osVersionMajor;
156 }
157
158 // Returns minor version number from os.version system property.
159 // E.g. 10 on Solaris 10 and 0 on SLES 11.3 (for the linux kernel version).
160 public static int getOsVersionMinor() {
161 if (osVersionMinor == -1) init_version();
162 return osVersionMinor;
163 }
164
165 public static boolean isDebugBuild() {
166 return (jdkDebug.toLowerCase().contains("debug"));
167 }
168
169 public static boolean isSlowDebugBuild() {
170 return (jdkDebug.toLowerCase().equals("slowdebug"));
171 }
172
173 public static boolean isFastDebugBuild() {
174 return (jdkDebug.toLowerCase().equals("fastdebug"));
175 }
176
177 public static String getVMVersion() {
178 return vmVersion;
179 }
180
181 public static boolean isAArch64() {
182 return isArch("aarch64");
183 }
184
185 public static boolean isARM() {
186 return isArch("arm.*");
187 }
188
189 public static boolean isPPC() {
190 return isArch("ppc.*");
191 }
192
193 // Returns true for IBM z System running linux.
194 public static boolean isS390x() {
195 return isArch("s390.*") || isArch("s/390.*") || isArch("zArch_64");
196 }
197
198 // Returns true for sparc and sparcv9.
199 public static boolean isSparc() {
200 return isArch("sparc.*");
201 }
202
203 public static boolean isX64() {
204 // On OSX it's 'x86_64' and on other (Linux, Windows and Solaris) platforms it's 'amd64'
205 return isArch("(amd64)|(x86_64)");
206 }
207
208 public static boolean isX86() {
209 // On Linux it's 'i386', Windows 'x86' without '_64' suffix.
210 return isArch("(i386)|(x86(?!_64))");
211 }
212
213 public static String getOsArch() {
214 return osArch;
215 }
216
217 public static boolean isRoot() {
218 return userName.equals("root");
219 }
220
221 /**
222 * Return a boolean for whether SA and jhsdb are ported/available
223 * on this platform.
224 */
225 public static boolean hasSA() {
226 if (isAix()) {
227 return false; // SA not implemented.
228 } else if (isSolaris()) {
229 return false; // Testing disabled due to JDK-8193639.
230 } else if (isLinux()) {
231 if (isS390x() || isARM()) {
232 return false; // SA not implemented.
233 }
234 }
235 // Other platforms expected to work:
236 return true;
237 }
238
239 /**
240 * Return true if the test JDK is signed, otherwise false. Only valid on OSX.
241 */
242 public static boolean isSignedOSX() throws IOException {
243 // We only care about signed binaries for 10.14 and later (actually 10.14.5, but
244 // for simplicity we'll also include earlier 10.14 versions).
245 if (getOsVersionMajor() == 10 && getOsVersionMinor() < 14) {
246 return false; // assume not signed
247 }
248
249 // Find the path to the java binary.
250 String jdkPath = System.getProperty("java.home");
251 Path javaPath = Paths.get(jdkPath + "/bin/java");
252 String javaFileName = javaPath.toAbsolutePath().toString();
253 if (!javaPath.toFile().exists()) {
254 throw new FileNotFoundException("Could not find file " + javaFileName);
255 }
256
257 // Run codesign on the java binary.
258 ProcessBuilder pb = new ProcessBuilder("codesign", "-d", "-v", javaFileName);
259 pb.redirectError(ProcessBuilder.Redirect.DISCARD);
260 pb.redirectOutput(ProcessBuilder.Redirect.DISCARD);
261 Process codesignProcess = pb.start();
262 try {
263 if (codesignProcess.waitFor(10, TimeUnit.SECONDS) == false) {
264 System.err.println("Timed out waiting for the codesign process to complete. Assuming not signed.");
265 codesignProcess.destroyForcibly();
266 return false; // assume not signed
267 }
268 } catch (InterruptedException e) {
269 throw new RuntimeException(e);
270 }
271
272 // Check codesign result to see if java binary is signed. Here are the
273 // exit code meanings:
274 // 0: signed
275 // 1: not signed
276 // 2: invalid arguments
277 // 3: only has meaning with the -R argument.
278 // So we should always get 0 or 1 as an exit value.
279 if (codesignProcess.exitValue() == 0) {
280 System.out.println("Target JDK is signed. Some tests may be skipped.");
281 return true; // signed
282 } else if (codesignProcess.exitValue() == 1) {
283 System.out.println("Target JDK is not signed.");
284 return false; // not signed
285 } else {
286 System.err.println("Executing codesign failed. Assuming unsigned: " +
287 codesignProcess.exitValue());
288 return false; // not signed
289 }
290 }
291
292 private static boolean isArch(String archnameRE) {
293 return Pattern.compile(archnameRE, Pattern.CASE_INSENSITIVE)
294 .matcher(osArch)
295 .matches();
296 }
297
298 /**
299 * Returns file extension of shared library, e.g. "so" on linux, "dll" on windows.
300 * @return file extension
301 */
302 public static String sharedLibraryExt() {
303 if (isWindows()) {
304 return "dll";
305 } else if (isOSX()) {
306 return "dylib";
307 } else {
308 return "so";
309 }
310 }
311
312 /*
313 * Returns name of system variable containing paths to shared native libraries.
314 */
315 public static String sharedLibraryPathVariableName() {
316 if (isWindows()) {
317 return "PATH";
318 } else if (isOSX()) {
319 return "DYLD_LIBRARY_PATH";
320 } else if (isAix()) {
321 return "LIBPATH";
322 } else {
323 return "LD_LIBRARY_PATH";
324 }
325 }
326
327 /**
328 * Returns absolute path to directory containing shared libraries in the tested JDK.
329 */
330 public static Path libDir() {
331 Path dir = Paths.get(testJdk);
332 if (Platform.isWindows()) {
333 return dir.resolve("bin").toAbsolutePath();
334 } else {
335 return dir.resolve("lib").toAbsolutePath();
336 }
337 }
338
339 /**
340 * Returns absolute path to directory containing JVM shared library.
341 */
342 public static Path jvmLibDir() {
343 return libDir().resolve(variant());
344 }
345
346 private static String variant() {
347 if (Platform.isServer()) {
348 return "server";
349 } else if (Platform.isClient()) {
350 return "client";
351 } else if (Platform.isMinimal()) {
352 return "minimal";
353 } else {
354 throw new Error("TESTBUG: unsupported vm variant");
355 }
356 }
357
358
359 public static boolean isDefaultCDSArchiveSupported() {
360 return (is64bit() &&
361 isServer() &&
362 (isLinux() ||
363 isOSX() ||
364 isSolaris() ||
365 isWindows()) &&
366 !isZero() &&
367 !isMinimal() &&
368 !isAArch64() &&
369 !isARM());
370 }
371
372 /*
373 * This should match the #if condition in ClassListParser::load_class_from_source().
374 */
375 public static boolean areCustomLoadersSupportedForCDS() {
376 return (is64bit() && (isLinux() || isSolaris() || isOSX()));
377 }
378 }