摘要：
直接上命令：gcc -gdwarf-2 -g3 xxx.c怎么得到的呢？man gcc找到-glevel Level 3 includes extra information, such as all the macro definitions present in the program. Some debuggers support macro expansion when you use -g3. -gdwarf-2 does not accept a concatenated debug level, because GCC used to support an option ... 阅读全文