《软件调试的艺术》学习笔记——GDB使用技巧摘要(2)

command命令可以在每次发生断点的时候自动执行一系列命令，解放程序员的双手。

见示例：

(gdb) command 1

Type commands for when breakpoint 1 is hit, one per line.

End with a line saying just "end"

>silent

>printf "fibonacci was passed %d./n", n

> continue

>end

(gdb) run

Starting program: fibonacci

fibonacci was passed 3.

fibonacci was passed 2.

fibonacci was passed 1.

fibonacci was passed 0.

fibonacci was passed 1.

Fibonacci(3) is 3.

Program exited normally.

(gdb)