函数栈变化过程分析

http://blog.21ic.com/user1/5585/archives/2009/56681.html堆栈与函数调用
http://blog.csdn.net/cos_sin_tan/article/details/6769493C函数调用与堆栈的变化
http://www.linuxso.com/linuxbiancheng/14561.html深入剖析GCC函数调用堆栈变化过程