LWPGS_SEL
ucp->uc_mcontext.gregs[GS] = (greg_t)LWPGS_SEL;
uc.uc_mcontext.gregs[GS] = (greg_t)LWPGS_SEL;
case LWPGS_SEL:
if (grp[REG_GS] == LWPGS_SEL)
if (grp[GS] == LWPGS_SEL)
if (pcb->pcb_gs == LWPGS_SEL || pcb->pcb_gs == 0) {
rval = pcb->pcb_gs = LWPGS_SEL;
if (pcb->pcb_gs == LWPGS_SEL)
if (rp->r_gs == LWPGS_SEL)