linux-assembly.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Frederic Marmond <fmarmond@gmail.com>
To: blurrpp@yahoo.com
Cc: linux-assembly@vger.kernel.org
Subject: Re: Passing parameters to assembler functions in 'C' 64 style.
Date: Thu, 4 Dec 2008 21:55:30 +0100	[thread overview]
Message-ID: <200812042155.30433.fmarmond@gmail.com> (raw)
In-Reply-To: <5360.11799.qm@web50303.mail.re2.yahoo.com>

Hi Luke,

maybe this document may answer your question:
http://www.x86-64.org/documentation/abi.pdf

Have a particular look to section 3.2

Fred

Le Thursday 04 December 2008 à 21:20, £ukasz a écrit :
> Hi.
> I started to write assembler functions for C on 64-bit arch. On 32-bit
> arch. every parameters ware put on stack, now is different, what can be
> easyly seen reading source program. For example if im passing one (int *)
> parameter, adress (&int) is kept in %rdi register, and so one if u are
> passing more parameters. Ofcurse is not dificult to use it if u know but is
> there any key according to which parameters are stored?. I've made some
> "experiments" with different numbers and kind parameters, but the "key"
> must be described somewhere.
>
> Luke
>
>
>
> --
> To unsubscribe from this list: send the line "unsubscribe linux-assembly"
> in the body of a message to majordomo@vger.kernel.org
> More majordomo info at  http://vger.kernel.org/majordomo-info.html


-- 
DeepSee project, few links:
web: http://www.sand-labs.org/deepsee
blog: http://fmarmond.blogspot.com/search/label/DeepSee
twitt: http://twitter.com/fmarmond
IRC: #deepsee on freenode
--
To unsubscribe from this list: send the line "unsubscribe linux-assembly" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html

  parent reply	other threads:[~2008-12-04 20:55 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-12-04 20:20 Passing parameters to assembler functions in 'C' 64 style £ukasz
2008-12-04 20:54 ` Robert Plantz
2008-12-04 20:55 ` Frederic Marmond [this message]
2008-12-04 21:22 ` £ukasz

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=200812042155.30433.fmarmond@gmail.com \
    --to=fmarmond@gmail.com \
    --cc=blurrpp@yahoo.com \
    --cc=linux-assembly@vger.kernel.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).