From: Kenneth Johansson <kenneth.johansson@inn.ericsson.se>
To: Wolfgang Denk <wd@denx.de>
Cc: Jerry Van Baren <vanbaren_gerald@si.com>,
linuxppc-embedded@lists.linuxppc.org
Subject: Re: Initial stack frame
Date: Tue, 30 Jan 2001 16:12:17 +0100 [thread overview]
Message-ID: <3A76D9D1.A530BD6F@inn.ericsson.se> (raw)
In-Reply-To: 200101301446.f0UEkTO10556@denx.local.net
Wolfgang Denk wrote:
>
> In message <4.3.2.20010130074919.00bb0a80@falcon.si.com>
> Jerry Van Baren wrote:
> >
> > One of the differences between the ABI and EABI is that the EABI
> > requires 8 byte alignment of the stack and the ABI requires 16 byte
> > alignment (EABI, p.28).
>
> Yes, ok. But what is implemented by GCC and glibc? The SVR4 ABI or
> the EABI?
>
> In other words: Wolfgang Grandegger wants to know if we must align
> "private" stack frames on 8 or 16 byte boundaries...
>
> Wolfgang Denk
>
linux implements SVR4 with exceptions that we don't return small(8 or less
bytes) structs in r3,r4 as the standard say we should. Could be more things I
have not noticed we are anyway closer to SVR4 than EABI.
--
Kenneth Johansson
Ericsson Business Innovation AB Tel: +46 8 404 71 83
Viderögatan 3 Fax: +46 8 404 72 72
164 80 Stockholm kenneth.johansson@inn.ericsson.se
** Sent via the linuxppc-embedded mail list. See http://lists.linuxppc.org/
next prev parent reply other threads:[~2001-01-30 15:12 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-01-27 1:29 Sandpoint 8240 or 7400 Roland Dreier
2001-01-27 1:59 ` Roland Dreier
2001-01-27 2:04 ` Dan Malek
2001-01-29 18:07 ` Roland Dreier
2001-01-29 19:33 ` Dan Malek
2001-01-30 23:55 ` Roland Dreier
[not found] ` <3A75DB0F.29DC7C96@bluewin.ch>
2001-01-30 13:26 ` Initial stack frame Jerry Van Baren
2001-01-30 14:46 ` Wolfgang Denk
2001-01-30 15:12 ` Kenneth Johansson [this message]
2001-01-30 15:27 ` Jerry Van Baren
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