4474 DTrace Userland CTF Support
4475 DTrace userland Keyword
4476 DTrace tests should be better citizens
4479 pid provider types
4480 dof emulation missing checks
Reviewed by: Bryan Cantrill <bryan@joyent.com>

*** 23,34 ****
   * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
   * Use is subject to license terms.
   */
  
  /*
!  * Copyright (c) 2012, Joyent, Inc. All rights reserved.
!  * Copyright (c) 2012 by Delphix. All rights reserved.
   */
  
  #ifndef _SYS_DTRACE_H
  #define _SYS_DTRACE_H
  
--- 23,34 ----
   * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
   * Use is subject to license terms.
   */
  
  /*
!  * Copyright (c) 2013, Joyent, Inc. All rights reserved.
!  * Copyright (c) 2013 by Delphix. All rights reserved.
   */
  
  #ifndef _SYS_DTRACE_H
  #define _SYS_DTRACE_H
  
*** 352,361 ****
--- 352,362 ----
  
  #define DIF_TYPE_CTF            0       /* type is a CTF type */
  #define DIF_TYPE_STRING         1       /* type is a D string */
  
  #define DIF_TF_BYREF            0x1     /* type is passed by reference */
+ #define DIF_TF_BYUREF           0x2     /* user type is passed by reference */
  
  /*
   * A DTrace Intermediate Format variable record is used to describe each of the
   * variables referenced by a given DIF object.  It contains an integer variable
   * identifier along with variable scope and properties, as shown below.  The