_SPARC_MAXREGWINDOW
__greg_t * __spbuf[_SPARC_MAXREGWINDOW];
__rwindow_t __wbuf[_SPARC_MAXREGWINDOW];
netbsd32___greg32p_t __spbuf[_SPARC_MAXREGWINDOW];
__rwindow32_t __wbuf[_SPARC_MAXREGWINDOW];