7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 
  24 package jdk.tools.jaotc.binformat.macho;
  25 
  26 import java.nio.ByteOrder;
  27 import jdk.tools.jaotc.binformat.macho.MachO;
  28 import jdk.tools.jaotc.binformat.macho.MachO.mach_header_64;
  29 
  30 /**
  31  * Class that abstracts MACH-O target details.
  32  *
  33  */
  34 public class MachOTargetInfo {
  35     /**
  36      * Target architecture and subtype.
  37      */
  38     private static final int arch;
  39     private static final int subarch;
  40 
  41     /**
  42      * Architecture endian-ness.
  43      */
  44     private static final int endian = mach_header_64.CPU_SUBTYPE_LITTLE_ENDIAN;
  45 
  46     /**
  47      * Target OS string.
  48      */
  49     private static final String osName;
  50 
  51     static {
  52         // Find the target arch details
  53         String archStr = System.getProperty("os.arch").toLowerCase();
  54 
  55         if (ByteOrder.nativeOrder() != ByteOrder.LITTLE_ENDIAN) {
  56             System.out.println("Only Little Endian byte order supported!");
  57         }
  58 
  59         if (archStr.equals("amd64") || archStr.equals("x86_64")) {
  60             arch = mach_header_64.CPU_TYPE_X86_64;
  61             subarch = mach_header_64.CPU_SUBTYPE_I386_ALL;
  62         } else {
  63             System.out.println("Unsupported architecture " + archStr);
  64             arch = mach_header_64.CPU_TYPE_ANY;
  65             subarch = 0;
  66         }
  67 
  68         osName = System.getProperty("os.name").toLowerCase();
  69     }
  70 
  71     public static int getMachOArch() {
  72         return arch;
  73     }
  74 
  75     public static int getMachOSubArch() {
  76         return subarch;
  77     }
  78 
  79     public static int getMachOEndian() {
  80         return endian;
  81     }
  82 
  83     public static String getOsName() {
  84         return osName;
  85     }
  86 }
  87 

   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 
  24 package jdk.tools.jaotc.binformat.macho;
  25 
  26 import java.nio.ByteOrder;

  27 import jdk.tools.jaotc.binformat.macho.MachO.mach_header_64;
  28 
  29 /**
  30  * Class that abstracts MACH-O target details.
  31  *
  32  */
  33 final class MachOTargetInfo {
  34     /**
  35      * Target architecture and subtype.
  36      */
  37     private static final int arch;
  38     private static final int subarch;
  39 
  40     /**
  41      * Architecture endian-ness.
  42      */
  43     private static final int endian = mach_header_64.CPU_SUBTYPE_LITTLE_ENDIAN;
  44 
  45     /**
  46      * Target OS string.
  47      */
  48     private static final String osName;
  49 
  50     static {
  51         // Find the target arch details
  52         String archStr = System.getProperty("os.arch").toLowerCase();
  53 
  54         if (ByteOrder.nativeOrder() != ByteOrder.LITTLE_ENDIAN) {
  55             System.out.println("Only Little Endian byte order supported!");
  56         }
  57 
  58         if (archStr.equals("amd64") || archStr.equals("x86_64")) {
  59             arch = mach_header_64.CPU_TYPE_X86_64;
  60             subarch = mach_header_64.CPU_SUBTYPE_I386_ALL;
  61         } else {
  62             System.out.println("Unsupported architecture " + archStr);
  63             arch = mach_header_64.CPU_TYPE_ANY;
  64             subarch = 0;
  65         }
  66 
  67         osName = System.getProperty("os.name").toLowerCase();
  68     }
  69 
  70     static int getMachOArch() {
  71         return arch;
  72     }
  73 
  74     static int getMachOSubArch() {
  75         return subarch;
  76     }
  77 
  78     static int getMachOEndian() {
  79         return endian;
  80     }
  81 
  82     static String getOsName() {
  83         return osName;
  84     }
  85 }