With the GDB debugger (four) with GDB debugger (c) with the GDB debugger (b)

Source file test.cpp

#include <stdio.h>

int func(int n)
{
    int sum = 0, i;
    for (i = 0; i < n; i++) {
        sum += i;
    }
    return sum;
}

int main ()
{
    int i;
    long result = 0;
    for (i = 1; i <= 100; i++) {
        result += i;
    }
    printf("result[1-100] = %ld /n", result);
    printf("result[1-250] = %d /n", func(250));
}

Executable files compiled with debug information

g++ -g test.cpp -o test

Start gdb

gdb test

gdb commands

r, run, run the program

q, quit, quit gdb

l, llst, source lists

 

References:

With the GDB debugger (a)

With the GDB debugger (b)

With the GDB debugger (c)

With the GDB debugger (d)

Reproduced in: https: //www.cnblogs.com/gattaca/p/7582398.html