memcpy(regsptr, (void *)ust_reg_stack_ptr, sizeof(struct registers)); \
ust_reg_stack_ptr = (void *)(((long)ust_reg_stack_ptr) + sizeof(struct registers));
memcpy(regsptr, (void *)ust_reg_stack_ptr, sizeof(struct registers)); \
ust_reg_stack_ptr = (void *)(((long)ust_reg_stack_ptr) + sizeof(struct registers));