GDB：调试时传递参数

有时需要在通过gdb调试的时候，向程序传递命令行参数，假设如下程序：

#include <iostream>
using namespace std;

int main(int argc, char *argv[])
{
    for(int i = 0; i < argc; i++)
    {
        cout << i << " :" << argv[i] << endl;
    }
    return 0;
}

可以使用以下几种方法：

1.运行gdb时通过--args传递参数

$ gdb --args main_args 1 2 3
GNU gdb (Ubuntu 12.1-0ubuntu1~22.04.2) 12.1
Copyright (C) 2022 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 "