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 }