gdb动态打印

参考：

https://blog.csdn.net/weixin_41572450/article/details/124885115

https://blog.51cto.com/zoomdy/5871653

https://blog.csdn.net/weixin_32924159/article/details/112434262?utm_medium=distribute.pc_relevant.none-task-blog-2~default~baidujs_baidulandingword~default-2-112434262-blog-124885115.pc_relevant_vip_default&spm=1001.2101.3001.4242.2&utm_relevant_index=5