diff options
Diffstat (limited to 'src/java/com/sun/gluegen/runtime/CPU.java')
-rwxr-xr-x | src/java/com/sun/gluegen/runtime/CPU.java | 85 |
1 files changed, 85 insertions, 0 deletions
diff --git a/src/java/com/sun/gluegen/runtime/CPU.java b/src/java/com/sun/gluegen/runtime/CPU.java new file mode 100755 index 0000000..0456e9f --- /dev/null +++ b/src/java/com/sun/gluegen/runtime/CPU.java @@ -0,0 +1,85 @@ +/* + * Copyright (c) 2005 Sun Microsystems, Inc. All Rights Reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: + * + * - Redistribution of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * - Redistribution in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * Neither the name of Sun Microsystems, Inc. or the names of + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * This software is provided "AS IS," without a warranty of any kind. ALL + * EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES, + * INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A + * PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN + * MICROSYSTEMS, INC. ("SUN") AND ITS LICENSORS SHALL NOT BE LIABLE FOR + * ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR + * DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN OR + * ITS LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR FOR + * DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE + * DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY, + * ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE, EVEN IF + * SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. + * + * You acknowledge that this software is not designed or intended for use + * in the design, construction, operation or maintenance of any nuclear + * facility. + * + * Sun gratefully acknowledges that this software was originally authored + * and developed by Kenneth Bradley Russell and Christopher John Kline. + */ + +package com.sun.gluegen.runtime; + +/** Provides information to autogenerated struct accessors about what + kind of data model (32- or 64-bit) is being used by the currently + running process. */ + +public class CPU { + private static boolean is32Bit; + + static { + // We don't seem to need an AccessController.doPrivileged() block + // here as these system properties are visible even to unsigned + // applets + // Note: this code is replicated in StructLayout.java + String os = System.getProperty("os.name").toLowerCase(); + String cpu = System.getProperty("os.arch").toLowerCase(); + if ((os.startsWith("windows") && cpu.equals("x86")) || + (os.startsWith("windows") && cpu.equals("arm")) || + (os.startsWith("linux") && cpu.equals("i386")) || + (os.startsWith("linux") && cpu.equals("x86")) || + (os.startsWith("mac os") && cpu.equals("ppc")) || + (os.startsWith("mac os") && cpu.equals("i386")) || + (os.startsWith("darwin") && cpu.equals("ppc")) || + (os.startsWith("darwin") && cpu.equals("i386")) || + (os.startsWith("sunos") && cpu.equals("sparc")) || + (os.startsWith("sunos") && cpu.equals("x86")) || + (os.startsWith("freebsd") && cpu.equals("i386")) || + (os.startsWith("hp-ux") && cpu.equals("pa_risc2.0"))) { + is32Bit = true; + } else if ((os.startsWith("windows") && cpu.equals("amd64")) || + (os.startsWith("linux") && cpu.equals("amd64")) || + (os.startsWith("linux") && cpu.equals("x86_64")) || + (os.startsWith("linux") && cpu.equals("ia64")) || + (os.startsWith("mac os") && cpu.equals("x86_64")) || + (os.startsWith("darwin") && cpu.equals("x86_64")) || + (os.startsWith("sunos") && cpu.equals("sparcv9")) || + (os.startsWith("sunos") && cpu.equals("amd64"))) { + } else { + throw new RuntimeException("Please port CPU detection (32/64 bit) to your platform (" + os + "/" + cpu + ")"); + } + } + + public static boolean is32Bit() { + return is32Bit; + } +} |