From: Albert ARIBAUD <albert.u.boot@aribaud.net>
To: u-boot@lists.denx.de
Subject: [U-Boot] Code relocation in U-boot.
Date: Mon, 07 Nov 2011 21:35:15 +0100 [thread overview]
Message-ID: <4EB84103.9000809@aribaud.net> (raw)
In-Reply-To: <CAP2F0fctTroW7R4U33JQCc+C37e7pV9ghqxPuPbQGbBin6sd_g@mail.gmail.com>
Le 07/11/2011 14:41, Sandeep Sharma a ?crit :
> Hi,
>
> I am analyzing U-Boot code for "relocate_code" function. In this function
> after copying the text section and before clearing the bss section we are
> doing "fix .rel.dyn relocations". I want to know that what actually we are
> doing in this section of code. What does this section actually contains and
> what kind of fix we are doing in this. What are relative and absolute fix
> that we are doing in this section.
>
> Any kind of help will we highly appreciated.
Hi Sandeep,
I assume you are specifically talking about ARM code in start.S? This
code is an implementation of the relocation mechanism defined in the ELF
specifications. Look up
<http://en.wikipedia.org/wiki/Executable_and_Linkable_Format#References>
for details.
Amicalement,
--
Albert.
next prev parent reply other threads:[~2011-11-07 20:35 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-11-07 13:41 [U-Boot] Code relocation in U-boot Sandeep Sharma
2011-11-07 20:35 ` Albert ARIBAUD [this message]
2011-11-08 7:02 ` Sandeep Sharma
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=4EB84103.9000809@aribaud.net \
--to=albert.u.boot@aribaud.net \
--cc=u-boot@lists.denx.de \
/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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox