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comparison agent/src/share/classes/sun/jvm/hotspot/utilities/PlatformInfo.java @ 0:a61af66fc99e jdk7-b24

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author duke
date Sat, 01 Dec 2007 00:00:00 +0000
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1 /*
2 * Copyright 2000-2003 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
20 * CA 95054 USA or visit www.sun.com if you need additional information or
21 * have any 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.startsWith("Windows")) {
41 return "win32";
42 } else {
43 throw new UnsupportedPlatformException("Operating system " + os + " not yet supported");
44 }
45 }
46
47 /* Returns "sparc" if on SPARC, "x86" if on x86. */
48 public static String getCPU() throws UnsupportedPlatformException {
49 String cpu = System.getProperty("os.arch");
50 if (cpu.equals("i386")) {
51 return "x86";
52 } else if (cpu.equals("sparc") || cpu.equals("x86") || cpu.equals("ia64")) {
53 return cpu;
54 } else if (cpu.equals("sparcv9")) {
55 return "sparc";
56 } else if (cpu.equals("x86_64") || cpu.equals("amd64")) {
57 return "amd64";
58 } else {
59 throw new UnsupportedPlatformException("CPU type " + cpu + " not yet supported");
60 }
61 }
62
63 // this main is invoked from Makefile to make platform specific agent Makefile(s).
64 public static void main(String[] args) {
65 System.out.println(getOS());
66 }
67 }