XXX AVX procfs

*** 585,595 ****
          P->nauxv = (int)n;
  
          return (0);
  }
  
- #ifdef __sparc
  static int
  note_xreg(struct ps_prochandle *P, size_t nbytes)
  {
          lwp_info_t *lwp = P->core->core_lwp;
          size_t xbytes = sizeof (prxregset_t);
--- 585,594 ----
*** 598,618 ****
          if (lwp == NULL || lwp->lwp_xregs != NULL || nbytes < xbytes)
                  return (0);     /* No lwp yet, already seen, or bad size */
  
          if ((xregs = malloc(xbytes)) == NULL)
                  return (-1);
! 
          if (read(P->asfd, xregs, xbytes) != xbytes) {
                  dprintf("Pgrab_core: failed to read NT_PRXREG\n");
                  free(xregs);
                  return (-1);
          }
- 
          lwp->lwp_xregs = xregs;
          return (0);
  }
  
  static int
  note_gwindows(struct ps_prochandle *P, size_t nbytes)
  {
          lwp_info_t *lwp = P->core->core_lwp;
  
--- 597,620 ----
          if (lwp == NULL || lwp->lwp_xregs != NULL || nbytes < xbytes)
                  return (0);     /* No lwp yet, already seen, or bad size */
  
          if ((xregs = malloc(xbytes)) == NULL)
                  return (-1);
! #ifdef __sparc
          if (read(P->asfd, xregs, xbytes) != xbytes) {
+ #else
+         panic("port me");
+ #endif
                  dprintf("Pgrab_core: failed to read NT_PRXREG\n");
                  free(xregs);
                  return (-1);
          }
          lwp->lwp_xregs = xregs;
          return (0);
  }
  
+ #ifdef __sparc
  static int
  note_gwindows(struct ps_prochandle *P, size_t nbytes)
  {
          lwp_info_t *lwp = P->core->core_lwp;
  
*** 687,701 ****
  static int (*nhdlrs[])(struct ps_prochandle *, size_t) = {
          note_notsup,            /*  0   unassigned              */
          note_notsup,            /*  1   NT_PRSTATUS (old)       */
          note_notsup,            /*  2   NT_PRFPREG (old)        */
          note_notsup,            /*  3   NT_PRPSINFO (old)       */
- #ifdef __sparc
          note_xreg,              /*  4   NT_PRXREG               */
- #else
-         note_notsup,            /*  4   NT_PRXREG               */
- #endif
          note_platform,          /*  5   NT_PLATFORM             */
          note_auxv,              /*  6   NT_AUXV                 */
  #ifdef __sparc
          note_gwindows,          /*  7   NT_GWINDOWS             */
  #ifdef __sparcv9
--- 689,699 ----