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nm 命令将符号报告为 U 和 T。U 代表未定义,AFAIK 该符号位于另一个库中,但是 T 是什么意思?
0000018c T _myfunc U _myfunc
查看手册页,nm(1)我们看到:
nm(1)
"T" "t" The symbol is in the text (code) section.