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Re: PATCH: ld/2338: objdump -d -l doesn't work correctly


On Mon, Feb 20, 2006 at 03:21:21PM +0100, Eric Botcazou wrote:
> > There's a bit of nasty code to do this that I added to GDB, for
> > basically the same reason.  It's in symfile.c:place_section.
> 
> I presume it's the following lines:
> 
>   /* For relocatable files, all loadable sections will start at zero.
>      The zero is meaningless, so try to pick arbitrary addresses such
>      that no loadable sections overlap.  This algorithm is quadratic,
>      but the number of sections in a single object file is generally
>      small.  */
>   if ((bfd_get_file_flags (objfile->obfd) & (EXEC_P | DYNAMIC)) == 0)
>     {
>       struct place_section_arg arg;
>       arg.offsets = objfile->section_offsets;
>       arg.lowest = 0;
>       bfd_map_over_sections (objfile->obfd, place_section, &arg);
>     }
> 
> Note that the comment seems to be overlooking -ffunction-sections.

Well, generally the number of functions in a single source file is
adequately small that there isn't a problem.  If someone wanted to
unquadraticify the algorithm, I wouldn't complain...

-- 
Daniel Jacobowitz
CodeSourcery


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