Shubhangi Jadhav wrote: > how does crt0.base move to c_start.S. I did not find any reference to > c_start.S from crt0.base or any other .inc files included in crt0.base > The bottom of crt0.base jumps to c_start.S using loader "magic". c_start.S runs in ram in the C code address space. crt0.base runs in rom. -Steve