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diff --git a/src/java/com/jogamp/gluegen/runtime/CPU.java b/src/java/com/jogamp/gluegen/runtime/CPU.java
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+/*
+ * 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.jogamp.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 final static boolean is32Bit;
+
+ static {
+
+ NativeLibrary.ensureNativeLibLoaded();
+
+ // Try to use Sun's sun.arch.data.model first ..
+ int bits = getPointerSizeInBits();
+ if ( 32 == bits || 64 == bits ) {
+ is32Bit = ( 32 == bits );
+ }else {
+ // 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"))) {
+ is32Bit = false;
+ }else{
+ throw new RuntimeException("Please port CPU detection (32/64 bit) to your platform (" + os + "/" + cpu + ")");
+ }
+ }
+ }
+
+ public static boolean is32Bit() {
+ return is32Bit;
+ }
+
+ public static native int getPointerSizeInBits();
+
+}