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

*** 24,33 ****
--- 24,34 ----
  
  package sun.jvm.hotspot.interpreter;
  
  import sun.jvm.hotspot.oops.*;
  import sun.jvm.hotspot.utilities.*;
+ import sun.jvm.hotspot.runtime.VM;
  
  public class Bytecode {
    Method method;
    int bci;
    static final int jintSize = 4;
*** 43,52 ****
--- 44,70 ----
    // NOTE: assumes that the start of the method's bytecodes is 4-byte aligned
    int alignedOffset(int offset) {
      return Bits.roundTo(bci + offset, jintSize) - bci;
    }
  
+   public int     getIndexU1()               { return method.getBytecodeOrBPAt(bci() + 1) & 0xFF; }
+   public int     getIndexU2(int bc, boolean isWide) {
+     if (can_use_native_byte_order(bc, isWide)) {
+       return method.getNativeShortArg(bci() + (isWide ? 2 : 1)) & 0xFFFF;
+     }
+     return method.getBytecodeShortArg(bci() + (isWide ? 2 : 1)) & 0xFFFF;
+   }
+   public int     getIndexU4()               { return method.getNativeIntArg(bci() + 1); }
+   public boolean hasIndexU4()               { return code() == Bytecodes._invokedynamic; }
+ 
+   public int     getIndexU1Cpcache()        { return method.getBytecodeOrBPAt(bci() + 1) & 0xFF; }
+   public int     getIndexU2Cpcache()        { return method.getNativeShortArg(bci() + 1) & 0xFFFF; }
+ 
+   static boolean can_use_native_byte_order(int bc, boolean is_wide) {
+     return (VM.getVM().isBigEndian() || Bytecodes.native_byte_order(bc /*, is_wide*/));
+   }
+ 
    int javaSignedWordAt(int offset) {
      return method.getBytecodeIntArg(bci + offset);
    }
  
    short javaShortAt(int offset) {