KREG_ECX
gregs->kregs[KREG_ECX] = regs->r_ecx;
kregs[KREG_SS], kregs[KREG_ECX], kregs[KREG_ECX]);
{ "ecx", KREG_ECX, MDB_TGT_R_EXPORT },
{ "cx", KREG_ECX, MDB_TGT_R_EXPORT | MDB_TGT_R_16 },
{ "ch", KREG_ECX, MDB_TGT_R_EXPORT | MDB_TGT_R_8H },
{ "cl", KREG_ECX, MDB_TGT_R_EXPORT | MDB_TGT_R_8L },