src/macosx/native/jobjc/src/core/java/com/apple/jobjc/JObjCRuntime.java

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   1 /*
   2  * Copyright (c) 2011, 2012, 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.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 package com.apple.jobjc;
  26 
  27 import java.lang.reflect.Field;
  28 import java.nio.ByteOrder;
  29 import java.util.ArrayList;
  30 import java.util.List;
  31 
  32 import sun.misc.Unsafe;
  33 
  34 import javax.tools.annotation.GenerateNativeHeader;
  35 
  36 /* No native methods here, but the constants are needed in the supporting JNI code */
  37 @GenerateNativeHeader
  38 public final class JObjCRuntime {
  39     static { System.loadLibrary("JObjC"); }
  40 
  41     @GenerateNativeHeader
  42     public static enum Arch{ ppc, i386, x86_64 };
  43     @GenerateNativeHeader
  44     public static enum Width{ W32, W64 };
  45 
  46     public static final Arch ARCH = getArch();
  47     public static final Width WIDTH = getWidth();
  48 
  49     private static Arch getArch(){
  50         String arch = System.getProperty("os.arch");
  51         if("ppc".equals(arch)) return Arch.ppc;
  52         if("i386".equals(arch)) return Arch.i386;
  53         if("x86_64".equals(arch)) return Arch.x86_64;
  54         if("amd64".equals(arch)) return Arch.x86_64;
  55         if("universal".equals(arch)) return Arch.x86_64;
  56         throw new RuntimeException("Did not recognize os.arch system property: '" + arch + "'");
  57     }
  58 
  59     private static Width getWidth(){
  60         String width = System.getProperty("sun.arch.data.model");
  61         if("32".equals(width)) return Width.W32;
  62         if("64".equals(width)) return Width.W64;
  63         throw new RuntimeException("Did not recognize sun.arch.data.model system property: '" + width + "'");


   1 /*
   2  * Copyright (c) 2011, 2013, 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.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 package com.apple.jobjc;
  26 
  27 import java.lang.reflect.Field;
  28 import java.nio.ByteOrder;
  29 import java.util.ArrayList;
  30 import java.util.List;
  31 
  32 import sun.misc.Unsafe;
  33 

  34 


  35 public final class JObjCRuntime {
  36     static { System.loadLibrary("JObjC"); }
  37 

  38     public static enum Arch{ ppc, i386, x86_64 };

  39     public static enum Width{ W32, W64 };
  40 
  41     public static final Arch ARCH = getArch();
  42     public static final Width WIDTH = getWidth();
  43 
  44     private static Arch getArch(){
  45         String arch = System.getProperty("os.arch");
  46         if("ppc".equals(arch)) return Arch.ppc;
  47         if("i386".equals(arch)) return Arch.i386;
  48         if("x86_64".equals(arch)) return Arch.x86_64;
  49         if("amd64".equals(arch)) return Arch.x86_64;
  50         if("universal".equals(arch)) return Arch.x86_64;
  51         throw new RuntimeException("Did not recognize os.arch system property: '" + arch + "'");
  52     }
  53 
  54     private static Width getWidth(){
  55         String width = System.getProperty("sun.arch.data.model");
  56         if("32".equals(width)) return Width.W32;
  57         if("64".equals(width)) return Width.W64;
  58         throw new RuntimeException("Did not recognize sun.arch.data.model system property: '" + width + "'");