/*

 * Copyright (c) 2000, 2003, Oracle and/or its affiliates. All rights reserved.

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.

 *

 * This code is distributed in the hope that it will be useful, but WITHOUT

 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

 * or visit www.oracle.com if you need additional information or have any

 * questions.

 *

 */

package sun.jvm.hotspot.utilities;

/** Provides canonicalized OS and CPU information for the rest of the

    system. */

public class PlatformInfo {

  /* Returns "solaris" if on Solaris; "win32" if Windows; "linux" if

     Linux. Used to determine location of dbx and import module, or

     possible debugger agent on win32. */

  public static String getOS() throws UnsupportedPlatformException {

    String os = System.getProperty("os.name");

    if (os.equals("SunOS")) {

      return "solaris";

    } else if (os.equals("Linux")) {

      return "linux";

    } else if (os.equals("FreeBSD")) {

      return "bsd";

    } else if (os.equals("NetBSD")) {

      return "bsd";

    } else if (os.equals("OpenBSD")) {

      return "bsd";

      return "bsd";

    } else if (os.startsWith("Windows")) {

      return "win32";

    } else {

      throw new UnsupportedPlatformException("Operating system " + os + " not yet supported");

    }

  }

  /* Returns "sparc" if on SPARC, "x86" if on x86. */

  public static String getCPU() throws UnsupportedPlatformException {

    String cpu = System.getProperty("os.arch");

    if (cpu.equals("i386")) {

      return "x86";

    } else if (cpu.equals("sparc") || cpu.equals("x86") || cpu.equals("ia64")) {

      return cpu;

    } else if (cpu.equals("sparcv9")) {

      return "sparc";

    } else if (cpu.equals("x86_64") || cpu.equals("amd64")) {

      return "amd64";

    } else {

      throw new UnsupportedPlatformException("CPU type " + cpu + " not yet supported");

    }

  }

  // this main is invoked from Makefile to make platform specific agent Makefile(s).

  public static void main(String[] args) {

    System.out.println(getOS());

  }

}