REG_FSBASE
{ "fsbase", REG_FSBASE, MDB_TGT_R_EXPORT },
mdb_printf("%%fsbase = 0x%0?p\n", grs[REG_FSBASE]);
grp[REG_FSBASE] = pcb->pcb_fsbase;
ucp->uc_mcontext.gregs[REG_FSBASE] = (greg_t)ulwp;
uc.uc_mcontext.gregs[REG_FSBASE] = (greg_t)self;
lwp->lwp_status.pr_reg[REG_FSBASE] = prs64->pr_reg.lxr_fs_base;
case REG_FSBASE: return (rdmsr(MSR_AMD_FSBASE));
dst[REG_FSBASE] = lwp->lwp_pcb.pcb_fsbase;
grp[REG_FSBASE] = pcb->pcb_fsbase;
pcb->pcb_fsbase = grp[REG_FSBASE];
(uintptr_t)grp[REG_FSBASE]);