.section ".note.openbsd.ident", "a"
        .int 8
        .int 4
        .int 0x01
        .ascii "OpenBSD\0"
        .int 201305

        .section .data
s:
        .ascii "hello world\n\0"

        .section .text
        .globl _start
_start:
        pushl $12
        pushl $s
        pushl $1
        xor %eax,%eax
        pushl %eax
        mov $4, %eax
        int $0x80

        xorl %eax,%eax
        pushl %eax
        pushl %eax
        incl %eax
        int $0x80