elf relocation

elf.md

http://blog.csdn.net/wbd880419/article/details/6794592
http://blog.csdn.net/zirconsdu/article/details/8170078

主题: 动态库的文章
http://eli.thegreenplace.net/2011/11/03/position-independent-code-pic-in-shared-libraries/
http://eli.thegreenplace.net/2011/08/25/load-time-relocation-of-shared-libraries/