[U-Boot-Users] New Image format: headers hashes.

[Luigi 'Comio' Mantellini]

Hi Bartlomej,


On gio, 2008-04-03 at 13:48 +0200, Bartlomiej Sieka wrote:
...
> >>
> > 
> > Before to make this test, you should strip the elf-file in order to omit
> > the non-used code. Alternatively you should check the size of the
> > u-boot.bin file (that is striped by definition).
> 
> "objcopy -O binary" which is used to create u-boot.bin from u-boot
> doesn't remove unused functions -- code for fit_image_set_hashes (and
> other functions removed from under #ifdef USE_HOSTCC by the patch) is
> present in u-boot.bin.

I'm sorry, I believed (wrongly) that linker was sufficiently intelligent
to discard the unused symbols and reallocate the rest.
Do you know tools (or ld options) that allow to discard unused
symbols/functions?

Thanks a lot. today I learned something new.

luigi

> If you add enough of such dead code, you'll see the increase in size of 
> u-boot.bin, or run into linking problems -- depending on the particular 
> linker script used for the target.
> 
> Regards,
> Bartlomiej
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