1 /*
2 * Copyright (c) 2000, 2015, 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
25 package sun.jvm.hotspot.utilities;
26
27 /** Provides canonicalized OS and CPU information for the rest of the
28 system. */
29
30 public class PlatformInfo {
31 /* Returns "solaris" if on Solaris; "win32" if Windows; "linux" if
32 Linux. Used to determine location of dbx and import module, or
33 possible debugger agent on win32. */
34 public static String getOS() throws UnsupportedPlatformException {
35 String os = System.getProperty("os.name");
36 if (os.equals("SunOS")) {
37 return "solaris";
38 } else if (os.equals("Linux")) {
39 return "linux";
40 } else if (os.equals("FreeBSD")) {
41 return "bsd";
42 } else if (os.equals("NetBSD")) {
43 return "bsd";
44 } else if (os.equals("OpenBSD")) {
45 return "bsd";
46 } else if (os.contains("Darwin") || os.contains("OS X")) {
47 return "darwin";
48 } else if (os.startsWith("Windows")) {
49 return "win32";
50 } else {
51 throw new UnsupportedPlatformException("Operating system " + os + " not yet supported");
52 }
53 }
54
55 public static boolean knownCPU(String cpu) {
56 final String[] KNOWN =
57 new String[] {"i386", "x86", "x86_64", "amd64", "sparc", "sparcv9", "ppc64", "ppc64le", "aarch64"};
58
59 for(String s : KNOWN) {
60 if(s.equals(cpu))
61 return true;
62 }
63
64 return false;
65 }
66
67 /* Returns "sparc" for SPARC based platforms "x86" for x86 based
68 platforms and x86_64 for 64bit x86 based platform. Otherwise
69 returns the value of os.arch. If the value is not recognized as supported,
70 an exception is thrown instead. */
71
72 public static String getCPU() throws UnsupportedPlatformException {
73 String cpu = System.getProperty("os.arch");
74
75 // Check that CPU is supported
76 if (!knownCPU(cpu)) {
77 throw new UnsupportedPlatformException("CPU type " + cpu + " not yet supported");
78 }
79
80 // Tweeks
81 if (cpu.equals("i386"))
82 return "x86";
83
84 if (cpu.equals("sparcv9"))
85 return "sparc";
86
87 if (cpu.equals("x86_64"))
88 return "amd64";
89
90 if (cpu.equals("ppc64le"))
91 return "ppc64";
92
93 return cpu;
94
95 }
96
97 // this main is invoked from Makefile to make platform specific agent Makefile(s).
98 public static void main(String[] args) {
99 System.out.println(getOS());
100 }
101 }
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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 *
23 */
24
25 package sun.jvm.hotspot.utilities;
26
27 /** Provides canonicalized OS and CPU information for the rest of the
28 system. */
29
30 public class PlatformInfo {
31 /* Returns "win32" if Windows; "linux" if Linux. */
32 public static String getOS() throws UnsupportedPlatformException {
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");
74 }
75
76 // Tweeks
77 if (cpu.equals("i386"))
78 return "x86";
79
80 if (cpu.equals("x86_64"))
81 return "amd64";
82
83 if (cpu.equals("ppc64le"))
84 return "ppc64";
85
86 return cpu;
87
88 }
89
90 // this main is invoked from Makefile to make platform specific agent Makefile(s).
91 public static void main(String[] args) {
92 System.out.println(getOS());
93 }
94 }
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