kdb_trap
int kdb_trap(int, int, struct trapframe *);
if ((debugger_on_panic || db_active) && kdb_trap(type, code, frame))
kdb_trap(type, 0, frame);
if (kdb_trap(type, 0, frame))
kdb_trap(type, 0, frame);
kdb_trap(type, 0, frame);
if (kdb_trap (type, 0, frame))
if (kdb_trap(&psl))
if ((debugger_on_panic || db_active) && kdb_trap(type, code, frame))