From: "H.J. Lu" <hjl.tools@gmail.com>
To: Tristan Gingold <gingold@adacore.com>
Cc: gdb-patches@sourceware.org
Subject: Re: [RFA Darwin]: Add push_dummy_call for i386
Date: Sat, 04 Jul 2009 15:31:00 -0000 [thread overview]
Message-ID: <6dc9ffc80907040831n1e87a80cv4d14afefc40dd687@mail.gmail.com> (raw)
In-Reply-To: <20090703155152.GA76089@ulanbator.act-europe.fr>
On Fri, Jul 3, 2009 at 8:51 AM, Tristan Gingold<gingold@adacore.com> wrote:
> Hi,
>
> Darwin i386 ABI is slightly different from the SVR4 one. In particular
> stack alignment is 16. As a consquence, i386 Darwin can't use the standard
> i386-tdeo.c push_dummy_call and this patch provides a Darwin version of this
> call.
>
Well, the code generated by gcc for Linux/i386 assumes that the incoming
stack is aligned at 16byte. If not, functions using SSE registers may crash.
--
H.J.
next prev parent reply other threads:[~2009-07-04 15:31 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-07-03 15:52 Tristan Gingold
2009-07-03 16:49 ` Mark Kettenis
2009-07-06 7:08 ` Tristan Gingold
2009-07-06 10:16 ` Mark Kettenis
2009-07-07 8:15 ` Tristan Gingold
2009-07-03 16:55 ` Joseph S. Myers
2009-07-06 7:00 ` Tristan Gingold
2009-07-04 15:31 ` H.J. Lu [this message]
2009-07-06 6:56 ` Tristan Gingold
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