Module openj9.dtfj
Package com.ibm.j9ddr.vm29.j9

Class ConstantPoolHelpers

  • public class ConstantPoolHelpers
extends Object

    • Method Summary

      All Methods Static Methods Concrete Methods 
      Modifier and Type Method Description
      static UDATAPointer J9_AFTER_CLASS​(com.ibm.j9ddr.vm29.pointer.generated.J9ClassPointer clazz)  
      static com.ibm.j9ddr.vm29.pointer.generated.J9ClassPointer J9_CLASS_FROM_CP​(com.ibm.j9ddr.vm29.pointer.generated.J9ConstantPoolPointer cp)
      use J9ConstantPoolPointer.ramClass() instead?
      static com.ibm.j9ddr.vm29.pointer.generated.J9ClassPointer J9_CLASS_FROM_METHOD​(com.ibm.j9ddr.vm29.pointer.generated.J9MethodPointer method)  
      static com.ibm.j9ddr.vm29.pointer.generated.J9ConstantPoolPointer J9_CP_FROM_CLASS​(com.ibm.j9ddr.vm29.pointer.generated.J9ClassPointer clazz)
      use J9ClassPointer.ramConstantPool() instead?
      static com.ibm.j9ddr.vm29.pointer.generated.J9ConstantPoolPointer J9_CP_FROM_METHOD​(com.ibm.j9ddr.vm29.pointer.generated.J9MethodPointer method)  
      static long J9_CP_TYPE​(U32Pointer cpShapeDescription, int index)
      This method is Java implementation of the define J9_CP_TYPE in j9cp.h in VM.
      static com.ibm.j9ddr.vm29.pointer.generated.J9ClassPointer J9_CURRENT_CLASS​(com.ibm.j9ddr.vm29.pointer.generated.J9ClassPointer clazz)  
      static boolean J9_IS_CLASS_OBSOLETE​(com.ibm.j9ddr.vm29.pointer.generated.J9ClassPointer clazz)  
      static com.ibm.j9ddr.vm29.pointer.generated.J9ROMConstantPoolItemPointer J9_ROM_CP_FROM_CP​(com.ibm.j9ddr.vm29.pointer.generated.J9ConstantPoolPointer cp)
      use J9ConstantPoolPointer.romConstantPool() instead?
      static com.ibm.j9ddr.vm29.pointer.generated.J9ROMConstantPoolItemPointer J9_ROM_CP_FROM_ROM_CLASS​(com.ibm.j9ddr.vm29.pointer.generated.J9ROMClassPointer romClass)
      use J9ROMClassPointer.romConstantPool() instead?
      static com.ibm.j9ddr.vm29.pointer.generated.J9ClassPointer J9VM_J9CLASS_FROM_HEAPCLASS​(com.ibm.j9ddr.vm29.pointer.generated.J9ObjectPointer clazzObject)  
      static com.ibm.j9ddr.vm29.pointer.generated.J9ObjectPointer J9VM_J9CLASS_TO_HEAPCLASS​(com.ibm.j9ddr.vm29.pointer.generated.J9ClassPointer clazz)  

    • Method Detail

      • J9_AFTER_CLASS

        public static UDATAPointer J9_AFTER_CLASS​(com.ibm.j9ddr.vm29.pointer.generated.J9ClassPointer clazz)

      • J9_CP_FROM_METHOD

        public static com.ibm.j9ddr.vm29.pointer.generated.J9ConstantPoolPointer J9_CP_FROM_METHOD​(com.ibm.j9ddr.vm29.pointer.generated.J9MethodPointer method)
                                                                                    throws CorruptDataException
        Throws:
        CorruptDataException

      • J9_CP_FROM_CLASS

        public static com.ibm.j9ddr.vm29.pointer.generated.J9ConstantPoolPointer J9_CP_FROM_CLASS​(com.ibm.j9ddr.vm29.pointer.generated.J9ClassPointer clazz)
                                                                                   throws CorruptDataException
        use J9ClassPointer.ramConstantPool() instead?
        Throws:
        CorruptDataException

      • J9_CLASS_FROM_CP

        public static com.ibm.j9ddr.vm29.pointer.generated.J9ClassPointer J9_CLASS_FROM_CP​(com.ibm.j9ddr.vm29.pointer.generated.J9ConstantPoolPointer cp)
                                                                            throws CorruptDataException
        use J9ConstantPoolPointer.ramClass() instead?
        Throws:
        CorruptDataException

      • J9_CLASS_FROM_METHOD

        public static com.ibm.j9ddr.vm29.pointer.generated.J9ClassPointer J9_CLASS_FROM_METHOD​(com.ibm.j9ddr.vm29.pointer.generated.J9MethodPointer method)
                                                                                throws CorruptDataException
        Throws:
        CorruptDataException

      • J9_ROM_CP_FROM_CP

        public static com.ibm.j9ddr.vm29.pointer.generated.J9ROMConstantPoolItemPointer J9_ROM_CP_FROM_CP​(com.ibm.j9ddr.vm29.pointer.generated.J9ConstantPoolPointer cp)
                                                                                           throws CorruptDataException
        use J9ConstantPoolPointer.romConstantPool() instead?
        Throws:
        CorruptDataException

      • J9_ROM_CP_FROM_ROM_CLASS

        public static com.ibm.j9ddr.vm29.pointer.generated.J9ROMConstantPoolItemPointer J9_ROM_CP_FROM_ROM_CLASS​(com.ibm.j9ddr.vm29.pointer.generated.J9ROMClassPointer romClass)
                                                                                                  throws CorruptDataException
        use J9ROMClassPointer.romConstantPool() instead?
        Throws:
        CorruptDataException

      • J9_CURRENT_CLASS

        public static com.ibm.j9ddr.vm29.pointer.generated.J9ClassPointer J9_CURRENT_CLASS​(com.ibm.j9ddr.vm29.pointer.generated.J9ClassPointer clazz)
                                                                            throws CorruptDataException
        Throws:
        CorruptDataException

      • J9VM_J9CLASS_FROM_HEAPCLASS

        public static com.ibm.j9ddr.vm29.pointer.generated.J9ClassPointer J9VM_J9CLASS_FROM_HEAPCLASS​(com.ibm.j9ddr.vm29.pointer.generated.J9ObjectPointer clazzObject)
                                                                                       throws CorruptDataException
        Throws:
        CorruptDataException

      • J9VM_J9CLASS_TO_HEAPCLASS

        public static com.ibm.j9ddr.vm29.pointer.generated.J9ObjectPointer J9VM_J9CLASS_TO_HEAPCLASS​(com.ibm.j9ddr.vm29.pointer.generated.J9ClassPointer clazz)
                                                                                      throws CorruptDataException
        Throws:
        CorruptDataException

      • J9_CP_TYPE

        public static long J9_CP_TYPE​(U32Pointer cpShapeDescription,
                              int index)
                       throws CorruptDataException
        This method is Java implementation of the define J9_CP_TYPE in j9cp.h in VM. It basically find out the type of the constant pool entry at the given index. #define J9_CP_TYPE(cpShapeDescription, index) \ (((cpShapeDescription)[(index) / J9_CP_DESCRIPTIONS_PER_U32] >> \ (((index) % J9_CP_DESCRIPTIONS_PER_U32) * J9_CP_BITS_PER_DESCRIPTION)) & J9_CP_DESCRIPTION_MASK)
        Parameters:
        cpShapeDescription - Description of the constantPool
        index - Type index
        Returns:
        Type
        Throws:
        CorruptDataException