From: Dotan Barak <dotanb@dev.mellanox.co.il>
To: Eric Dumazet <dada1@cosmosbay.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: The code segment of the user level in PPC64 are in VMAs with write permissions
Date: Wed, 19 Dec 2007 12:55:23 +0200 [thread overview]
Message-ID: <4768F89B.1030507@dev.mellanox.co.il> (raw)
In-Reply-To: <4768E02F.20700@cosmosbay.com>
Eric Dumazet wrote:
> This is because on PPC architecture, address of a function points to a
> small
> data area (a function descriptor) where the caller can find
> informations about :
>
> - Address (in the text segment, so readonly) of the target function
> - Address of the TOC for this function.
>
>
> http://www.linux-foundation.org/spec/ELF/ppc64/PPC-elf64abi-1.9.html#FUNC-ADDRESS
>
>
thank you very much for clearing this issue.
Dotan
prev parent reply other threads:[~2007-12-19 10:55 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-12-19 7:21 The code segment of the user level in PPC64 are in VMAs with write permissions Dotan Barak
2007-12-19 9:11 ` Eric Dumazet
2007-12-19 10:55 ` Dotan Barak [this message]
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