Date: Wed, 17 Aug 2005 09:55:10 -0500 From: Dan Nelson <dnelson@allantgroup.com> To: Alain De Vos <alain_devos@yahoo.com> Cc: hackers@freebsd.org Subject: Re: hello world but not in 32bit x86 but in amd64 for amd64 platform Message-ID: <20050817145510.GD26422@dan.emsphone.com> In-Reply-To: <20050817122049.29529.qmail@web52009.mail.yahoo.com> References: <20050817122049.29529.qmail@web52009.mail.yahoo.com>
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In the last episode (Aug 17), Alain De Vos said:
> The AMD64 platform is currently a Tier 1 FreeBSD platform,
> but what I currently look for is a
> "Hello World" assembly program written in 64bit assembly
> which I can compile and run on my FreeBSD,AMD64 platform
> Sadly enough I was unable to find such a very basic program :-)
>
> Could you inform me if there exist somewhere such a program
> cfr the 32bit hello world example in
> Chapter 11
> x86 Assembly Language Programming
> FreeBSD Developers' Handbook
The procedure should be the same no matter what architecture you are
using. Just use AMD64 assembly...
You can also generate an assembly hello-world program yourself:
$ cat << EOF > test.c
int main(void)
{
write(1, "Hello world\n", 12);
return 0;
}
EOF
$ gcc -S test.c
$ cat test.s
--
Dan Nelson
dnelson@allantgroup.com
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