linux加载指定目录的so文件
http://blog.csdn.net/win_lin/article/details/8286125
download url
http://download.chinaunix.net/download/0014000/13037.shtml
http://hydra.nixos.org/release/patchelf/patchelf-0.6
原文：http://www.cnblogs.com/chulia20002001/p/7193084.html