1 files changed, 75 insertions, 0 deletions
diff --git a/src/classes/com/sun/gluegen/runtime/CPU.java b/src/classes/com/sun/gluegen/runtime/CPU.java
new file mode 100755
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+++ b/src/classes/com/sun/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.sun.gluegen.runtime;
+
+/** Provides information to autogenerated struct accessors about what
+    kind of architecture (32- or 64-bit) we are currently running
+    on. */
+
+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("linux") && cpu.equals("i386")) ||
+        (os.startsWith("mac os") && cpu.equals("ppc")) ||
+        (os.startsWith("sunos") && cpu.equals("sparc")) ||
+        (os.startsWith("sunos") && cpu.equals("x86")) ||
+        (os.startsWith("freebsd") && cpu.equals("i386"))) {
+      is32Bit = true;
+    } else if ((os.startsWith("linux") && cpu.equals("amd64")) ||
+               (os.startsWith("linux") && cpu.equals("x86_64")) ||
+               (os.startsWith("linux") && cpu.equals("ia64")) ||
+               (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;
+  }
+}