一.什么是ASM 首先看下官方中的说明 ASM a very small and fast Java bytecode manipulation framework. ASM是一个JAVA字节码分析.创建和修改的开源应用框架.它可以动态生成二进制格式的stub类或其他代理类,或者在类被JAVA虚拟机装入内存之前,动态修改类.在ASM中提供了诸多的API用于对类的内容进行字节码操作的方法.与传统的BCEL和SERL不同,在ASM中提供了更为优雅和灵活的操作字节码的方式.ASM相当小巧,并且它有更高
注:在linux下开发经常使用的辅助小工具: readelf .hexdump.od.objdump.nm.telnet.nc 等,详细能够man一下. 我们用以下的C代码来研究函数调用的过程. C++ Code 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 int bar(int c, int d) { int e = c + d; return e; } int foo(int a, int b) { return bar(a, b
A. Vladik and Courtesy 题面 At regular competition Vladik and Valera won a and b candies respectively. Vladik offered 1 his candy to Valera. After that Valera gave Vladik 2 his candies, so that no one thought that he was less generous. Vladik for same