Memory dump formatted like xxd from gdb

Question

I\'m trying to inspect a buffer which contains a binary formatted message, but also contains string data. As an example, I\'m using this C code:

int main (vo         


        

Answer 1

(gdb) define xxd
>dump binary memory dump.bin $arg0 $arg0+$arg1
>shell xxd dump.bin
>end
(gdb) xxd &j 10 
0000000: 0000 0000 0000 0000 0000 0000 4d8c a7f7  ............M...
0000010: ff7f 0000 0000 0000 0000 0000 c8d7 ffff  ................
0000020: ff7f 0000 0000 0000

Seems easy enough ;-)

You could likely write a Python script (modern GDB versions have embedded Python interpreter) to do the same, and get rid of the need to "shell out".