http://wenku.baidu.com/view/4513a8f9aef8941ea76e0510.html
http://blog.csdn.net/gdt_a20/article/details/7231652
http://blog.chinaunix.net/uid-26872853-id-3428938.html
http://www.kgdb.info/
IDA http://www.doc88.com/p-739479754476.html
