[C++知识库]使用gdb调试C语言程序

将程序加载到调试器中，使用如下命令:

[root@localhost c]# gdb testadd
GNU gdb (GDB) Red Hat Enterprise Linux 7.6.1-120.el7
Copyright (C) 2013 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.  Type "show copying"
and "show warranty" for details.
This GDB was configured as "x86_64-redhat-linux-gnu".
For bug reporting instructions, please see:
<http://www.gnu.org/software/gdb/bugs/>...
Reading symbols from /root/c/testadd...done.

设置断点
b main是将断点设置在mian函数这一行

l命令查看源码

r命令运行程序

s命令跳入函数

p命令打印内容

finish命令跳出函数

n命令单步执行程序

c命令继续执行程序

quit退出调试