XXX AVX procfs

*** 1961,1971 ****
  #pragma weak td_thr_getxregsize = __td_thr_getxregsize
  /* ARGSUSED */
  td_err_e
  __td_thr_getxregsize(td_thrhandle_t *th_p, int *xregsize)
  {
- #if defined(__sparc)
          struct ps_prochandle *ph_p;
          td_err_e return_val;
  
          if ((ph_p = ph_lock_th(th_p, &return_val)) == NULL)
                  return (return_val);
--- 1961,1970 ----
*** 1978,2001 ****
                  return_val = TD_DBERR;
  
          (void) ps_pcontinue(ph_p);
          ph_unlock(th_p->th_ta_p);
          return (return_val);
- #else   /* __sparc */
-         return (TD_NOXREGS);
- #endif  /* __sparc */
  }
  
  /*
   * Get a thread's extra state register set.
   */
  #pragma weak td_thr_getxregs = __td_thr_getxregs
  /* ARGSUSED */
  td_err_e
  __td_thr_getxregs(td_thrhandle_t *th_p, void *xregset)
  {
- #if defined(__sparc)
          struct ps_prochandle *ph_p;
          td_err_e return_val;
  
          if ((ph_p = ph_lock_th(th_p, &return_val)) == NULL)
                  return (return_val);
--- 1977,1996 ----
*** 2008,2031 ****
                  return_val = TD_DBERR;
  
          (void) ps_pcontinue(ph_p);
          ph_unlock(th_p->th_ta_p);
          return (return_val);
- #else   /* __sparc */
-         return (TD_NOXREGS);
- #endif  /* __sparc */
  }
  
  /*
   * Set a thread's extra state register set.
   */
  #pragma weak td_thr_setxregs = __td_thr_setxregs
  /* ARGSUSED */
  td_err_e
  __td_thr_setxregs(td_thrhandle_t *th_p, const void *xregset)
  {
- #if defined(__sparc)
          struct ps_prochandle *ph_p;
          td_err_e return_val;
  
          if ((ph_p = ph_lock_th(th_p, &return_val)) == NULL)
                  return (return_val);
--- 2003,2022 ----
*** 2038,2050 ****
                  return_val = TD_DBERR;
  
          (void) ps_pcontinue(ph_p);
          ph_unlock(th_p->th_ta_p);
          return (return_val);
- #else   /* __sparc */
-         return (TD_NOXREGS);
- #endif  /* __sparc */
  }
  
  struct searcher {
          psaddr_t        addr;
          int             status;
--- 2029,2038 ----