1 /* 2 * Copyright (c) 2000, 2003, 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.equals("Darwin")) { 47 return "bsd"; 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 /* Returns "sparc" if on SPARC, "x86" if on x86. */ 56 public static String getCPU() throws UnsupportedPlatformException { 57 String cpu = System.getProperty("os.arch"); 58 if (cpu.equals("i386")) { 59 return "x86"; 60 } else if (cpu.equals("sparc") || cpu.equals("x86") || cpu.equals("ia64")) { 61 return cpu; 62 } else if (cpu.equals("sparcv9")) { 63 return "sparc"; 64 } else if (cpu.equals("x86_64") || cpu.equals("amd64")) { 65 return "amd64"; 66 } else { 67 throw new UnsupportedPlatformException("CPU type " + cpu + " not yet supported"); 68 } 69 } 70 71 // this main is invoked from Makefile to make platform specific agent Makefile(s). 72 public static void main(String[] args) { 73 System.out.println(getOS()); 74 } 75 }