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src/jdk.hotspot.agent/share/classes/sun/jvm/hotspot/utilities/PlatformInfo.java

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 1 /*
 2  * Copyright (c) 2000, 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  *

33     String os = System.getProperty("os.name");
34     if (os.equals("Linux")) {
35       return "linux";
36     } else if (os.equals("FreeBSD")) {
37       return "bsd";
38     } else if (os.equals("NetBSD")) {
39       return "bsd";
40     } else if (os.equals("OpenBSD")) {
41       return "bsd";
42     } else if (os.contains("Darwin") || os.contains("OS X")) {
43       return "darwin";
44     } else if (os.startsWith("Windows")) {
45       return "win32";
46     } else {
47       throw new UnsupportedPlatformException("Operating system " + os + " not yet supported");
48     }
49   }
50 
51   public static boolean knownCPU(String cpu) {
52     final String[] KNOWN =
53         new String[] {"i386", "x86", "x86_64", "amd64", "ppc64", "ppc64le", "aarch64"};
54 
55     for(String s : KNOWN) {
56       if(s.equals(cpu))
57         return true;
58     }
59 
60     return false;
61   }
62 
63   /* Returns "x86" for x86 based platforms and x86_64 for 64bit x86
64      based platform. Otherwise returns the value of os.arch. If the
65      value is not recognized as supported, an exception is thrown
66      instead. */
67 
68   public static String getCPU() throws UnsupportedPlatformException {
69     String cpu = System.getProperty("os.arch");
70 
71     // Check that CPU is supported
72     if (!knownCPU(cpu)) {
73        throw new UnsupportedPlatformException("CPU type " + cpu + " not yet supported");

 1 /*
 2  * Copyright (c) 2000, 2021, 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  *

33     String os = System.getProperty("os.name");
34     if (os.equals("Linux")) {
35       return "linux";
36     } else if (os.equals("FreeBSD")) {
37       return "bsd";
38     } else if (os.equals("NetBSD")) {
39       return "bsd";
40     } else if (os.equals("OpenBSD")) {
41       return "bsd";
42     } else if (os.contains("Darwin") || os.contains("OS X")) {
43       return "darwin";
44     } else if (os.startsWith("Windows")) {
45       return "win32";
46     } else {
47       throw new UnsupportedPlatformException("Operating system " + os + " not yet supported");
48     }
49   }
50 
51   public static boolean knownCPU(String cpu) {
52     final String[] KNOWN =
53         new String[] {"i386", "x86", "x86_64", "amd64", "ppc64", "ppc64le", "aarch64", "riscv64"};
54 
55     for(String s : KNOWN) {
56       if(s.equals(cpu))
57         return true;
58     }
59 
60     return false;
61   }
62 
63   /* Returns "x86" for x86 based platforms and x86_64 for 64bit x86
64      based platform. Otherwise returns the value of os.arch. If the
65      value is not recognized as supported, an exception is thrown
66      instead. */
67 
68   public static String getCPU() throws UnsupportedPlatformException {
69     String cpu = System.getProperty("os.arch");
70 
71     // Check that CPU is supported
72     if (!knownCPU(cpu)) {
73        throw new UnsupportedPlatformException("CPU type " + cpu + " not yet supported");
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