GDB_REG_FP
if (regnum >= GDB_REG_T0 && regnum < GDB_REG_FP)
case GDB_REG_FP: kdb_thrctx->pcb_s[0] = regval; break;
if (regnum >= GDB_REG_T0 && regnum < GDB_REG_FP)
case GDB_REG_FP: return (&kdb_thrctx->pcb_s[0]);
case GDB_REG_FP: kdb_frame->tf_s[0] = regval; break;