ss_put_value
int ss_put_value(struct lwp *, vaddr_t, u_int);
ss_put_value(l, l->l_md.md_bpva, l->l_md.md_bpsave[0]);
ss_put_value(l, l->l_md.md_bpva + 4, l->l_md.md_bpsave[1]);
error = ss_put_value(l, l->l_md.md_bpva, SSBREAKPOINT);
error = ss_put_value(l, l->l_md.md_bpva + 4, SSBREAKPOINT);