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From: Thiemo Seufer <ica2_ts@csv.ica.uni-stuttgart.de>
To: Nick Clifton <nickc@redhat.com>
Cc: eagle_zhou@ali.com.tw, binutils@sources.redhat.com
Subject: Re: the question about PT_DYNAMIC's p_offset value in elf file for mips platform
Date: Tue, 26 Oct 2004 13:18:00 -0000	[thread overview]
Message-ID: <20041026131820.GE24545@rembrandt.csv.ica.uni-stuttgart.de> (raw)
In-Reply-To: <417E295F.9030006@redhat.com>

Nick Clifton wrote:
> Hi Eagle,
> 
> >I think that .dynamic section should be the first section of dynamic
> >segment.
> 
> For most ports this is true.  But for the MIPS it is not.  I will let a 
> MIPS expert explain why, as I do not actually know the reason.

I guess it is for historic reasons and/or compatibility to other
(read IRIX) operating systems.

> >If .dynamic section is not the first section in dynamic segment,
> >how can i get other dynamic section information?
> 
> If you have a section header then discovering this information is 
> simple.  Otherwise there is no easy way.  I think that with MIPS ports 
> which do not have the .dynamic section at the start of the PT_DYNAMIC 
> segment there is a requirement to keep the section header in an 
> executable.  (I expect someone will correct me on this).

Glibc's ld.so finds the offset from the magic _DYNAMIC symbol.


Thiemo

  reply	other threads:[~2004-10-26 13:18 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2004-10-26  9:10 eagle_zhou
2004-10-26 10:33 ` Nick Clifton
2004-10-26 13:18   ` Thiemo Seufer [this message]
  -- strict thread matches above, loose matches on Subject: below --
2004-10-26  7:21 eagle_zhou
2004-10-26  8:24 ` Nick Clifton

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