src/jdk.internal.vm.ci/share/classes/jdk.vm.ci.meta/src/jdk/vm/ci/meta/MemoryAccessProvider.java

*** 33,54 ****
       * @param kind the {@link JavaKind} of the returned {@link JavaConstant} object
       * @param base the base address from which the value is read
       * @param displacement the displacement within the object in bytes
       * @param bits the number of bits to read from memory
       * @return the read value encapsulated in a {@link JavaConstant} object of {@link JavaKind} kind
!      * @throws IllegalArgumentException if {@code kind} is {@link JavaKind#Void} or not
!      *             {@linkplain JavaKind#isPrimitive() primitive} kind or {@code bits} is not 8, 16,
!      *             32 or 64
       */
      JavaConstant readPrimitiveConstant(JavaKind kind, Constant base, long displacement, int bits) throws IllegalArgumentException;
  
      /**
       * Reads a Java {@link Object} value using a base address and a displacement.
       *
       * @param base the base address from which the value is read
       * @param displacement the displacement within the object in bytes
!      * @return the read value encapsulated in a {@link Constant} object or {@code null} if the
!      *         address computed from {@code base} and {@code displacement} does not denote a
!      *         location holding an {@code Object} value
       */
      JavaConstant readObjectConstant(Constant base, long displacement);
  }
--- 33,54 ----
       * @param kind the {@link JavaKind} of the returned {@link JavaConstant} object
       * @param base the base address from which the value is read
       * @param displacement the displacement within the object in bytes
       * @param bits the number of bits to read from memory
       * @return the read value encapsulated in a {@link JavaConstant} object of {@link JavaKind} kind
!      * @throws IllegalArgumentException if the read is out of bounds of the object or {@code kind}
!      *             is {@link JavaKind#Void} or not {@linkplain JavaKind#isPrimitive() primitive}
!      *             kind or {@code bits} is not 8, 16, 32 or 64
       */
      JavaConstant readPrimitiveConstant(JavaKind kind, Constant base, long displacement, int bits) throws IllegalArgumentException;
  
      /**
       * Reads a Java {@link Object} value using a base address and a displacement.
       *
       * @param base the base address from which the value is read
       * @param displacement the displacement within the object in bytes
!      * @return the read value encapsulated in a {@link Constant} object
!      * @throws IllegalArgumentException if the address computed from {@code base} and
!      *             {@code displacement} does not denote a location holding an {@code Object} value
       */
      JavaConstant readObjectConstant(Constant base, long displacement);
  }