FRAME_AT
DBREG(at, FRAME_AT),
FRAME_AT,
gdb_regs[KGDB_REG_AT ] = regs->tf_regs[FRAME_AT];
regs->tf_regs[FRAME_AT ] = gdb_regs[KGDB_REG_AT];
regp->r_regs[R_AT] = framep->tf_regs[FRAME_AT];
framep->tf_regs[FRAME_AT] = regp->r_regs[R_AT];
FRAME_AT, FRAME_GP, FRAME_SP, -1,
stq at_reg,(FRAME_AT*8)(sp); \