How to break on assembly instruction at a given address in gdb?

Question

0x0000000000400448 :    push   %rbp
0x0000000000400449 :    mov    %rsp,%rbp
0x000000000040044c :    mov    $0x6,%eax
0x000         


        

Answer 1

Another way:

break *main+4

This will add a breakpoint at 0x000000000040044c
I think this is easier than writing the whole address!

Answer 2

try break *0x0000000000400448