format ELF
section '.text' executable
public memset

memset:
    push    edi
    mov     edi, [esp+8]
    mov     eax, [esp+12]
    mov     ecx, [esp+16]
    jecxz  .no_set
    cld
    rep     stosb
.no_set:
    mov     eax, [esp+8]
    pop     edi
    ret