tf_t4
tf->tf_r16, tf->tf_r17, tf->tf_r18, tf->tf_t4);
{ "r19(t4)", (long *)&ddb_regs.tf_t4, FCN_NULL, NULL },
_FRAME_POSITION(tf_t4), /* r19 */
tf->tf_t4 = gr[19];
gr[19] = tf->tf_t4;
KGDB_MOVEREG(19, tf_t4); /* r19 */ \
tf->tf_t4 = regs->r_regs[19];
regs->r_regs[19] = tf->tf_t4;
offsetof(struct trapframe, tf_t4 ) / sizeof(register_t),
u_int tf_t4; /* r19 */
{ "t4", (void *)offsetof(struct trapframe, tf_t4), db_rw_ddbreg, NULL },