EXC_TRC
bcopy(&restorebridge, (void *)EXC_TRC, trap_offset);
bcopy(&dblow, (void *)(EXC_TRC + trap_offset), (size_t)&dbend -
case EXC_TRC: trapstr = "TRC"; break;
if (vector == EXC_TRC || vector == EXC_RUNMODETRC)
{ EXC_TRC, "trace" },
case EXC_TRC:
&& (frame->exc == EXC_TRC || frame->exc == EXC_RUNMODETRC