agent/src/share/classes/sun/jvm/hotspot/interpreter/BytecodeWideable.java
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agent/src/share/classes/sun/jvm/hotspot/interpreter/BytecodeWideable.java

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  21  * questions.
  22  *
  23  */
  24 
  25 package sun.jvm.hotspot.interpreter;
  26 
  27 import sun.jvm.hotspot.oops.*;
  28 
  29 public abstract class BytecodeWideable extends Bytecode {
  30   BytecodeWideable(Method method, int bci) {
  31     super(method, bci);
  32   }
  33 
  34   public boolean isWide() {
  35     int prevBci = bci() - 1;
  36     return (prevBci > -1 && method.getBytecodeOrBPAt(prevBci) == Bytecodes._wide);
  37   }
  38 
  39   // the local variable index
  40   public int getLocalVarIndex() {
  41     return (isWide()) ? (int) (0xFFFF & javaShortAt(1))
  42             : (int) (0xFF & javaByteAt(1));
  43   }
  44 }


  21  * questions.
  22  *
  23  */
  24 
  25 package sun.jvm.hotspot.interpreter;
  26 
  27 import sun.jvm.hotspot.oops.*;
  28 
  29 public abstract class BytecodeWideable extends Bytecode {
  30   BytecodeWideable(Method method, int bci) {
  31     super(method, bci);
  32   }
  33 
  34   public boolean isWide() {
  35     int prevBci = bci() - 1;
  36     return (prevBci > -1 && method.getBytecodeOrBPAt(prevBci) == Bytecodes._wide);
  37   }
  38 
  39   // the local variable index
  40   public int getLocalVarIndex() {
  41     return (isWide()) ? getIndexU2(code(), true) : getIndexU1();

  42   }
  43 }
agent/src/share/classes/sun/jvm/hotspot/interpreter/BytecodeWideable.java
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