9fans - fans of the OS Plan 9 from Bell Labs
 help / color / mirror / Atom feed
From: Enrico Weigelt <weigelt@metux.de>
To: 9fans@9fans.net
Subject: Re: [9fans] GNU/Linux/Plan 9 disto
Date: Sun, 21 Aug 2011 18:20:29 +0200	[thread overview]
Message-ID: <20110821162029.GB18887@nibiru.local> (raw)
In-Reply-To: <e0528e3226378bb8dc097d60f5194935@terzarima.net>

* Charles Forsyth <forsyth@terzarima.net> wrote:
> >waserror() depends on callee-save.
>
> caller-save, and a few other conventions (or rather, no need for more conventions).
> specifically, it's enough to save the pc and stack. all variables will
> have the right values on non-zero return from setjmp, regardless of the
> presence or absence of "volatile", and that return can be done by
> simply setting the pc and the stack pointer to the values in the jmp_buf.

What exactly is different between these calling conventions ?
How much does the Plan9 code depend on them ?


cu
--
----------------------------------------------------------------------
 Enrico Weigelt, metux IT service -- http://www.metux.de/

 phone:  +49 36207 519931  email: weigelt@metux.de
 mobile: +49 151 27565287  icq:   210169427         skype: nekrad666
----------------------------------------------------------------------
 Embedded-Linux / Portierung / Opensource-QM / Verteilte Systeme
----------------------------------------------------------------------



  reply	other threads:[~2011-08-21 16:20 UTC|newest]

Thread overview: 31+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-07-11 16:05 rbnsw-plan9
2011-07-11 16:41 ` Jens Staal
2011-07-11 16:59   ` Gorka Guardiola
2011-07-11 19:31     ` Charles Forsyth
2011-07-12  5:59       ` Pavel Zholkover
2011-07-12 15:13         ` [9fans] Plan 9 Go (Was: GNU/Linux/Plan 9 disto) Lucio De Re
2011-07-12 18:35           ` Francisco J Ballesteros
2011-07-13 18:31             ` Lucio De Re
2011-07-13 18:45               ` Lucio De Re
2011-07-14 18:59                 ` stephano zanzin
2011-07-14 20:21                   ` Lucio De Re
2011-07-14 20:35                     ` Iruatã Souza
2011-07-15  2:37                     ` Fazlul Shahriar
2011-07-22  4:40               ` Lucio De Re
2011-07-22 14:37                 ` Ethan Grammatikidis
2011-07-27  2:55                   ` kokamoto
2011-07-12 18:44           ` Skip Tavakkolian
2011-07-12 12:35       ` [9fans] GNU/Linux/Plan 9 disto Ethan Grammatikidis
2011-07-12  5:50     ` Jens Staal
     [not found]   ` <CACm3i_j1dxqY=sfunozAXRY+uhO83BnTodfpWvNb+4rSNouC_g@mail.gmail.c>
2011-07-11 17:43     ` erik quanstrom
2011-07-11 19:29       ` Charles Forsyth
2011-08-21 16:20         ` Enrico Weigelt [this message]
2011-08-21 17:27           ` erik quanstrom
2011-08-21 16:16   ` Enrico Weigelt
2011-07-11 17:56 ` hiro
     [not found] ` <CAFSF3XO7ejhGBq5Zqj1oL7UnnPf7naTtwbG56hN4k1fz3koxBw@mail.gmail.c>
2011-07-11 18:12   ` erik quanstrom
2011-07-12  0:10     ` hiro
2011-07-12 13:35       ` Ethan Grammatikidis
2011-07-12 17:18         ` hiro
2011-07-12 18:09       ` Richard Miller
2011-07-12 19:08         ` Ethan Grammatikidis

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=20110821162029.GB18887@nibiru.local \
    --to=weigelt@metux.de \
    --cc=9fans@9fans.net \
    /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).