[U-Boot-Users] ELF Loader

[Chris Elston]

I'll make changes to clear the BSS and provide a patch,

Chris.

> -----Original Message-----
> From: Wolfgang Denk [mailto:wd at denx.de]
> Sent: 04 April 2003 00:03
> To: Chris Elston
> Cc: U-Boot Mailing List (E-mail)
> Subject: Re: [U-Boot-Users] ELF Loader 
> 
> 
> Chris,
> 
> in message 
> <A1DD009E87CDD2119E940008C7334DA4021CCB18 at ns.radstone.co.uk> 
> you wrote:
> > I've come across a problem using the ELF loader, the 
> existing one relocates
> > the data in the ELF image using section headers.  This 
> prevented a LynxOS
> > image I have being loaded correctly.  I was lead to believe 
> by the ELF
> > standard that section headers are for linking, not loading 
> and execution.  
> > I have reimplemented the ELF loader using program headers, 
> this is shown in
> > the code snippet below.  (The original code is left in for 
> reference but
> > commmented out)  Can anyone tell me if there is a valid 
> reason for the way
> > it was done originally?  
> 
> I think your code is correct. As far as I can tell, according to  the
> standard  an  ELF file is supposed to be loaded using program headers
> and not section headers.
> 
> Can you please submit your new code as a patch  against  the  current
> CVS tree?
> 
> 
> Ummm... are you aware of the fact that you don't clear the  BSS  are,
> which is required by the standard?
> 
> Best regards,
> 
> Wolfgang Denk
> 
> -- 
> Software Engineering:  Embedded and Realtime Systems,  Embedded Linux
> Phone: (+49)-8142-4596-87  Fax: (+49)-8142-4596-88  Email: wd at denx.de
> We, the unwilling, led by the unknowing, are doing the impossible for
> the ungrateful. We have done so much, for so long, with so little, we
> are now qualified to do anything with nothing.
> 
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