https://mcuoneclipse.com/2012/09/24/code-size-information-with-gcc-for-armkinetis/
https://mcuoneclipse.com/2013/04/14/text-data-and-bss-code-and-data-size-explained/
https://juejin.im/entry/5ae9706d51882567327809d0
https://kb.cnblogs.com/page/189867/
Question: where is the .data located?
ELF 文件的解析
https://www.jianshu.com/p/863b279c941e
Objdump命令解析
http://man.linuxde.net/objdump
nm命令中的type类型解析
https://blog.csdn.net/wvtear/article/details/50016285