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src/jdk.aot/share/classes/jdk.tools.jaotc/src/jdk/tools/jaotc/InstructionDecoder.java

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   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;
  25 
  26 import jdk.tools.jaotc.amd64.AMD64InstructionDecoder;

  27 
  28 import jdk.vm.ci.amd64.AMD64;

  29 import jdk.vm.ci.code.Architecture;
  30 import jdk.vm.ci.code.TargetDescription;
  31 
  32 public abstract class InstructionDecoder {
  33 
  34     public static InstructionDecoder getInstructionDecoder(TargetDescription target) {
  35         Architecture architecture = target.arch;
  36         if (architecture instanceof AMD64) {
  37             return new AMD64InstructionDecoder(target);


  38         } else {
  39             throw new InternalError("Unsupported architecture " + architecture);
  40         }
  41     }
  42 
  43     public abstract void decodePosition(final byte[] code, int pcOffset);
  44 
  45     public abstract int currentEndOfInstruction();
  46 
  47 }


   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;
  25 
  26 import jdk.tools.jaotc.amd64.AMD64InstructionDecoder;
  27 import jdk.tools.jaotc.aarch64.AArch64InstructionDecoder;
  28 
  29 import jdk.vm.ci.amd64.AMD64;
  30 import jdk.vm.ci.aarch64.AArch64;
  31 import jdk.vm.ci.code.Architecture;
  32 import jdk.vm.ci.code.TargetDescription;
  33 
  34 public abstract class InstructionDecoder {
  35 
  36     public static InstructionDecoder getInstructionDecoder(TargetDescription target) {
  37         Architecture architecture = target.arch;
  38         if (architecture instanceof AMD64) {
  39             return new AMD64InstructionDecoder(target);
  40         } else if (architecture instanceof AArch64) {
  41             return new AArch64InstructionDecoder(target);
  42         } else {
  43             throw new InternalError("Unsupported architecture " + architecture);
  44         }
  45     }
  46 
  47     public abstract void decodePosition(final byte[] code, int pcOffset);
  48 
  49     public abstract int currentEndOfInstruction();
  50 
  51 }
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