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Re: writable text segments?

From: Ian Lance Taylor <ian at wasabisystems dot com>
To: Matthew P Donovan <mpd at cs dot pdx dot edu>
Cc: gcc-help at gcc dot gnu dot org
Date: 02 Apr 2004 10:32:49 -0500
Subject: Re: writable text segments?
References: <Pine.LNX.4.58.0404012324001.29705@mars.cse.iitb.ac.in><Pine.GSO.4.58.0404011021150.28183@sadr.cs.pdx.edu>

Matthew P Donovan <mpd@cs.pdx.edu> writes:

> My professor has me hunting for a way to make text segments writable in
> compiled binaries (ELF format).  I found a passing reference to a -N
> command line option, but haven't been able to find any documentation about
> it.  Can someone point me to a reference that talks about this?

-N is a linker option.  The documentation, such as it is, is here:
    http://sources.redhat.com/binutils/docs-2.12/ld.info/Options.html#Options

If you pass -N to gcc when doing a link, gcc will pass -N on to the
linker.  As far as I know this behaviour is undocumented.

Ian

References:
- Understanding gcc source
  - From: Hari
- writable text segments?
  - From: Matthew P Donovan

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