在sdk中添加了一个输入的GPIO驱动，用了4bit（默认是32bit），在edk中bit流生成后，在sdk中先初始化，
XGpio_Initialize(&DIP4bit,XPAR_AXI_GPIO_1_DEVICE_ID)，
然后设置方向XGpio_SetDataDirection(&DIP4bit, 1, 0xffffffff);
然后读这个端口psb_check = XGpio_DiscreteRead(&DIP4bit,1);发现函数运行到读函数就不见了，debug了跟踪了一下，出现下面提示：
.gdbinit: No such file or directory.
Current language: auto; currently c
Previous frame identical to this frame (corrupt stack?)
Current language: auto; currently c++
Current language: auto; currently c
No symbol "XGPIO_DATA_OFFSET" in current context.
No symbol "XGPIO_DATA_OFFSET" in current context.
No symbol "XGPIO_DATA_OFFSET" in current context.
然后还出现这样的提示：
Process STDIO not connected to console.
If you'd like to see UART output in this console, please modify STDIO settings in the Run/Debug configuration.
请问是怎么回事？
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