All of lore.kernel.org
 help / color / mirror / Atom feed
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

      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]

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=4768F89B.1030507@dev.mellanox.co.il \
    --to=dotanb@dev.mellanox.co.il \
    --cc=dada1@cosmosbay.com \
    --cc=linux-kernel@vger.kernel.org \
    /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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.