GDB_REG_T0
if (regnum >= GDB_REG_T0 && regnum < GDB_REG_FP)
kdb_frame->tf_t[regnum - GDB_REG_T0] = regval;
if (regnum >= GDB_REG_T0 && regnum < GDB_REG_FP)
return (&kdb_frame->tf_t[regnum - GDB_REG_T0]);