mapelfexec
if (error = mapelfexec(vp, ehdr, nphdrs, phdrbase, &uphdr, &dynphdr,
error = mapelfexec(vp, ehdrp, nphdrs, phdrbase, &uphdr, &intphdr,
error = mapelfexec(nvp, ehdrp, nphdrs, phdrbase, NULL, &junk,
static int mapelfexec(vnode_t *, Ehdr *, uint_t, caddr_t, Phdr **, Phdr **,