what is wrong with this little piece of code?

From: Akyl Tulegenov (pcxast_at_nottingham.ac.uk)
Date: 01/31/04 

Date: Sat, 31 Jan 2004 07:43:17 +0000 (UTC)

Dear All!
What's wrong with this little piece of code? I am simply trying to print
out the value of pi variable, but ain't getting any output!

        section .text
        global _start
_start:
        mov eax, 4
        mov ebx, 1
        mov ecx, pi
        int 0x80
        mov eax, 1
        mov ebx, 0
        int 0x80
        section .data
pi: dq 1.0