使用gdb在linux命令行调试c++代码（1）

gdb main

break 7

break anyFunctionWithSourceCode

run

run -c config.json

print I_am_a_int

set I_am_a_int = 5

print compute_sum(I_am_a_int , I_am_a_int)

如果报错

Cannot resolve function compute_sum to any overloaded instance

输入

set overload-resolution off

注意函数参数必须是已在内存里的变量
否则报错

Attempt to take address of value not located in memory

后续介绍如何调试一个会崩溃的程序，通过查询堆栈定位崩溃点