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.util.regex.Pattern;
27
28 public class Platform {
29 private static final String osName = System.getProperty("os.name");
30 private static final String dataModel = System.getProperty("sun.arch.data.model");
31 private static final String vmVersion = System.getProperty("java.vm.version");
32 private static final String javaVersion = System.getProperty("java.version");
33 private static final String osArch = System.getProperty("os.arch");
34 private static final String vmName = System.getProperty("java.vm.name");
35 private static final String userName = System.getProperty("user.name");
36 private static final String compiler = System.getProperty("sun.management.compiler");
37
38 public static boolean isClient() {
39 return vmName.endsWith(" Client VM");
40 }
41
42 public static boolean isServer() {
43 return vmName.endsWith(" Server VM");
44 }
45
46 public static boolean isGraal() {
47 return vmName.endsWith(" Graal VM");
48 }
49
50 public static boolean isZero() {
51 return vmName.endsWith(" Zero VM");
52 }
53
54 public static boolean isMinimal() {
55 return vmName.endsWith(" Minimal VM");
56 }
57
58 public static boolean isEmbedded() {
59 return vmName.contains("Embedded");
60 }
61
62 public static boolean isTieredSupported() {
63 return compiler.contains("Tiered Compilers");
64 }
65
66 public static boolean is32bit() {
67 return dataModel.equals("32");
68 }
69
70 public static boolean is64bit() {
71 return dataModel.equals("64");
72 }
73
74 public static boolean isAix() {
75 return isOs("aix");
76 }
77
78 public static boolean isLinux() {
79 return isOs("linux");
80 }
81
82 public static boolean isOSX() {
83 return isOs("mac");
84 }
85
118 }
119
120 public static boolean isPPC() {
121 return isArch("ppc.*");
122 }
123
124 public static boolean isX86() {
125 // On Linux it's 'i386', Windows 'x86' without '_64' suffix.
126 return isArch("(i386)|(x86(?!_64))");
127 }
128
129 public static boolean isX64() {
130 // On OSX it's 'x86_64' and on other (Linux, Windows and Solaris) platforms it's 'amd64'
131 return isArch("(amd64)|(x86_64)");
132 }
133
134 public static boolean isAArch64() {
135 return isArch("aarch64");
136 }
137
138 private static boolean isArch(String archnameRE) {
139 return Pattern.compile(archnameRE, Pattern.CASE_INSENSITIVE)
140 .matcher(osArch)
141 .matches();
142 }
143
144 public static String getOsArch() {
145 return osArch;
146 }
147
148 /**
149 * Return a boolean for whether we expect to be able to attach
150 * the SA to our own processes on this system.
151 */
152 public static boolean shouldSAAttach() throws Exception {
153
154 if (isAix()) {
155 return false; // SA not implemented.
156 } else if (isLinux()) {
157 return canPtraceAttachLinux();
158 } else if (isOSX()) {
159 return canAttachOSX();
160 } else {
161 // Other platforms expected to work:
162 return true;
163 }
185 // 3 - no attach: no processes may use ptrace with PTRACE_ATTACH
186 String ptrace_scope = Utils.fileAsString("/proc/sys/kernel/yama/ptrace_scope");
187 if (ptrace_scope != null) {
188 if (ptrace_scope.startsWith("3")) {
189 return false;
190 }
191 if (!userName.equals("root") && !ptrace_scope.startsWith("0")) {
192 // ptrace will be denied:
193 return false;
194 }
195 }
196 // Otherwise expect to be permitted:
197 return true;
198 }
199
200 /**
201 * On OSX, expect permission to attach only if we are root.
202 */
203 public static boolean canAttachOSX() throws Exception {
204 return userName.equals("root");
205 }
206 }
|
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.util.regex.Pattern;
27
28 public class Platform {
29 private static final String osName = System.getProperty("os.name");
30 private static final String dataModel = System.getProperty("sun.arch.data.model");
31 private static final String vmVersion = System.getProperty("java.vm.version");
32 private static final String javaVersion = System.getProperty("java.version");
33 private static final String osArch = System.getProperty("os.arch");
34 private static final String vmName = System.getProperty("java.vm.name");
35 private static final String userName = System.getProperty("user.name");
36 private static final String compiler = System.getProperty("sun.management.compiler");
37 private static final String vmInfo = System.getProperty("java.vm.info");
38
39 public static boolean isClient() {
40 return vmName.endsWith(" Client VM");
41 }
42
43 public static boolean isServer() {
44 return vmName.endsWith(" Server VM");
45 }
46
47 public static boolean isGraal() {
48 return vmName.endsWith(" Graal VM");
49 }
50
51 public static boolean isZero() {
52 return vmName.endsWith(" Zero VM");
53 }
54
55 public static boolean isMinimal() {
56 return vmName.endsWith(" Minimal VM");
57 }
58
59 public static boolean isEmbedded() {
60 return vmName.contains("Embedded");
61 }
62
63 public static boolean isTieredSupported() {
64 return compiler.contains("Tiered Compilers");
65 }
66
67 public static boolean isInt() {
68 return vmInfo.contains("interpreted");
69 }
70
71 public static boolean isMixed() {
72 return vmInfo.contains("mixed");
73 }
74
75 public static boolean isComp() {
76 return vmInfo.contains("compiled");
77 }
78
79 public static boolean is32bit() {
80 return dataModel.equals("32");
81 }
82
83 public static boolean is64bit() {
84 return dataModel.equals("64");
85 }
86
87 public static boolean isAix() {
88 return isOs("aix");
89 }
90
91 public static boolean isLinux() {
92 return isOs("linux");
93 }
94
95 public static boolean isOSX() {
96 return isOs("mac");
97 }
98
131 }
132
133 public static boolean isPPC() {
134 return isArch("ppc.*");
135 }
136
137 public static boolean isX86() {
138 // On Linux it's 'i386', Windows 'x86' without '_64' suffix.
139 return isArch("(i386)|(x86(?!_64))");
140 }
141
142 public static boolean isX64() {
143 // On OSX it's 'x86_64' and on other (Linux, Windows and Solaris) platforms it's 'amd64'
144 return isArch("(amd64)|(x86_64)");
145 }
146
147 public static boolean isAArch64() {
148 return isArch("aarch64");
149 }
150
151 public static String getOsArch() {
152 return osArch;
153 }
154
155 /**
156 * Return a boolean for whether we expect to be able to attach
157 * the SA to our own processes on this system.
158 */
159 public static boolean shouldSAAttach() throws Exception {
160
161 if (isAix()) {
162 return false; // SA not implemented.
163 } else if (isLinux()) {
164 return canPtraceAttachLinux();
165 } else if (isOSX()) {
166 return canAttachOSX();
167 } else {
168 // Other platforms expected to work:
169 return true;
170 }
192 // 3 - no attach: no processes may use ptrace with PTRACE_ATTACH
193 String ptrace_scope = Utils.fileAsString("/proc/sys/kernel/yama/ptrace_scope");
194 if (ptrace_scope != null) {
195 if (ptrace_scope.startsWith("3")) {
196 return false;
197 }
198 if (!userName.equals("root") && !ptrace_scope.startsWith("0")) {
199 // ptrace will be denied:
200 return false;
201 }
202 }
203 // Otherwise expect to be permitted:
204 return true;
205 }
206
207 /**
208 * On OSX, expect permission to attach only if we are root.
209 */
210 public static boolean canAttachOSX() throws Exception {
211 return userName.equals("root");
212 }
213
214 private static boolean isArch(String archnameRE) {
215 return Pattern.compile(archnameRE, Pattern.CASE_INSENSITIVE)
216 .matcher(osArch)
217 .matches();
218 }
219 }
|