how do i write assembly code in amd64

Nate Eldredge nge at
Sat Dec 22 20:29:47 PST 2007

On Sun, 23 Dec 2007, zhang feng wrote:

> hello,all
> i write asm32 code in linux.when i run the code in freebsd amd64, it cannt
> run.
> someone give me a help for coding asm64 in freebsd.

amd64 has a whole different instruction set than 32-bit x86, though there 
are similarities.  Documentation is available at,,30_2252_9044,00.html 
, under "AMD64 Architecture Programmers' Manuals".

Nate Eldredge
nge at

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