KREG_EAX
gregs->kregs[KREG_EAX] = regs->r_eax;
kregs[KREG_CS], kregs[KREG_EAX], kregs[KREG_EAX]);
{ "eax", KREG_EAX, MDB_TGT_R_EXPORT },
{ "ax", KREG_EAX, MDB_TGT_R_EXPORT | MDB_TGT_R_16 },
{ "ah", KREG_EAX, MDB_TGT_R_EXPORT | MDB_TGT_R_8H },
{ "al", KREG_EAX, MDB_TGT_R_EXPORT | MDB_TGT_R_8L },