From: Brian Gerst <bgerst@didntduck.org>
To: Richard Henderson <rth@twiddle.net>
Cc: Petr Vandrovec <VANDROVE@vc.cvut.cz>,
"Richard B. Johnson" <root@chaos.analogic.com>,
dvorak <dvorak@xs4all.nl>,
linux-kernel@vger.kernel.org
Subject: Re: Syscall changes registers beyond %eax, on linux-i386
Date: Thu, 19 Sep 2002 14:51:44 -0400 [thread overview]
Message-ID: <3D8A1CC0.8070407@didntduck.org> (raw)
In-Reply-To: 20020919113048.A22520@twiddle.net
Richard Henderson wrote:
> On Thu, Sep 19, 2002 at 02:04:43PM -0400, Brian Gerst wrote:
>
>>Now that I've thought about it more, I think the best solution is to go
>>through all the syscalls (a big job, I know), and declare the parameters
>>as const, so that gcc knows it can't modify them, and will throw a
>>warning if we try.
>
>
> The parameter area belongs to the callee, and it may *always* be modified.
>
>
> r~
>
The parameters can not be modified if they are declared const though,
that's my point.
--
Brian Gerst
next prev parent reply other threads:[~2002-09-19 18:47 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-09-19 17:44 Syscall changes registers beyond %eax, on linux-i386 Petr Vandrovec
2002-09-19 18:04 ` Brian Gerst
2002-09-19 18:30 ` Richard Henderson
2002-09-19 18:51 ` Brian Gerst [this message]
2002-09-19 18:57 ` Richard Henderson
2002-09-19 19:40 ` Richard B. Johnson
2002-09-19 19:41 ` Richard Henderson
2002-09-19 19:53 ` Richard B. Johnson
2002-09-19 22:46 ` J.A. Magallon
2002-09-20 12:27 ` Richard B. Johnson
2002-09-20 17:16 ` Richard Henderson
2002-09-22 1:33 ` Pavel Machek
2002-09-23 13:11 ` Richard B. Johnson
2002-09-23 18:31 ` Pavel Machek
2002-09-19 19:18 ` Richard B. Johnson
2002-09-19 19:24 ` Daniel Jacobowitz
2002-09-19 20:25 ` Mikael Pettersson
2002-09-20 8:32 ` george anzinger
2002-09-21 6:19 ` Richard Henderson
2002-09-21 8:09 ` george anzinger
2002-09-21 15:08 ` Richard Henderson
2002-09-24 18:02 ` CHECKER bate: " george anzinger
-- strict thread matches above, loose matches on Subject: below --
2002-09-19 14:45 dvorak
2002-09-19 16:11 ` Richard B. Johnson
2002-09-19 17:09 ` Brian Gerst
2002-09-19 17:22 ` Richard B. Johnson
2002-09-19 17:51 ` Brian Gerst
2002-09-19 18:30 ` Richard B. Johnson
2002-09-19 17:59 ` dvorak
2002-09-19 18:32 ` Richard B. Johnson
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