EXC_MCHK
bcopy(&restorebridge, (void *)EXC_MCHK, trap_offset);
bcopy(&dblow, (void *)(EXC_MCHK + trap_offset), (size_t)&dbend -
case EXC_MCHK: trapstr = "MCHK"; break;
{ EXC_MCHK, "machine check" },
case EXC_MCHK:
case EXC_MCHK:
case EXC_MCHK:
case EXC_MCHK:
case EXC_MCHK: