9210 remove KMDB branch debugging support
9211 ::crregs could do with cr2/cr3 support
9209 ::ttrace should be able to filter by thread
Reviewed by: Patrick Mooney <patrick.mooney@joyent.com>

*** 8,18 ****
   * source.  A copy of the CDDL is also available via the Internet at
   * http://www.illumos.org/license/CDDL.
   */
  
  /*
!  * Copyright 2015 Joyent, Inc.
   */
  
  #ifndef _UNIX_SUP_H
  #define _UNIX_SUP_H
  
--- 8,18 ----
   * source.  A copy of the CDDL is also available via the Internet at
   * http://www.illumos.org/license/CDDL.
   */
  
  /*
!  * Copyright 2018 Joyent, Inc.
   */
  
  #ifndef _UNIX_SUP_H
  #define _UNIX_SUP_H
  
*** 25,34 ****
--- 25,36 ----
  #ifdef __cplusplus
  extern "C" {
  #endif
  
  extern ulong_t kmdb_unix_getcr0(void);
+ extern ulong_t kmdb_unix_getcr2(void);
+ extern ulong_t kmdb_unix_getcr3(void);
  extern ulong_t kmdb_unix_getcr4(void);
  
  #ifdef __cplusplus
  }
  #endif