set_exception_table_vec
extern void *set_exception_table_vec(unsigned int vec, void *handler);
return set_exception_table_vec(evt >> 5, handler);
set_exception_table_vec(TRAP_RESERVED_INST, do_reserved_inst);
set_exception_table_vec(TRAP_ILLEGAL_SLOT_INST, do_illegal_slot_inst);
set_exception_table_vec(TRAP_ADDRESS_ERROR, address_error_trap_handler);
set_exception_table_vec(TRAP_DIVZERO_ERROR, do_divide_error);
set_exception_table_vec(TRAP_DIVOVF_ERROR, do_divide_error);
set_exception_table_vec(TRAP_FPU_ERROR, fpu_error_trap_handler);
set_exception_table_vec(TRAP_UBC, breakpoint_trap_handler);