.text
        .global countrec
countrec:
        push    %ebp
        mov     %esp, %ebp

        push    %edi
        push    %esi
        push    %ebx

        mov     8(%ebp), %edi
        movl    0(%edi), %esi
        movl    4(%edi), %ecx
        addl    %esi, %ecx
        mov     $0, %ebx

while:
        mov     4(%ebp), %edx
        cmpl    %edx, %esi
        jl      end
        mov     4(%ebp), %edx
        cmpl    %edx, %ecx
        jg      end
        addl    $1, %ebx
        movl    (%ebp), %ebp
        jmp     while

end:
        movl    8(%edi), %eax
        movl    %ebx, (%eax)

        pop     %ebx
        pop     %esi
        pop     %edi
        mov     %esp, %ebp
        pop     %ebp
        ret