Re: [PATCH 1/2] sh: align .bss section padding to 8-byte boundary

[John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>]

Hi Geert,

On Wed, 2025-03-12 at 09:06 +0100, Geert Uytterhoeven wrote:
> What about moving (or duplicating, e.g. sbss_align alignment is
> done before and after __bss_start)  the stop_align alignment
> from BSS_SECTION() into BSS() instead, i.e. just changing
> include/asm-generic/vmlinux.lds.h for everyone?  I don't think that
> would hurt any platforms, while fixing the issue for good.
> IMHO it is a bit strange that the size of the bss section can differ
> from __bss_stop - __bss_start.

This sounds reasonable. Could you send a patch? I assume that would go
through a different tree as we're touching generic code.

> One last question though: what about sbss? How does the TurtleBoard
> loader handle that?  __bss_stop - __bss_start is not the size of bss,
> but the sum of the sizes of sbss and bss, plus extra alignment in
> between. The latter might cause trouble, too.

Does the compiler actually generate the SBSS section on SH?

Adrian

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