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Re: [PATCH v2] symbols: check table sizes don't change between linking passes 2 and 3
- To: Jan Beulich <jbeulich@xxxxxxxx>
- From: Roger Pau Monné <roger.pau@xxxxxxxxxx>
- Date: Wed, 21 Jan 2026 18:38:27 +0100
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- Cc: "xen-devel@xxxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxxx>, Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, Julien Grall <julien@xxxxxxx>, Stefano Stabellini <sstabellini@xxxxxxxxxx>, Anthony PERARD <anthony.perard@xxxxxxxxxx>, Michal Orzel <michal.orzel@xxxxxxx>
- Delivery-date: Wed, 21 Jan 2026 17:38:39 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
On Tue, Dec 09, 2025 at 11:11:40AM +0100, Jan Beulich wrote:
> While sizes (and possibly positions) of the symbol table related symbols
> (and as a result other ones) are expected to change from linking pass 1
> to pass 2, no such change should happen anymore from pass 2 to pass 3, or
> else the internally recorded symbol table wouldn't represent the ELF or
> PE/COFF ones.
>
> For comparing to be actually useful, i.e. most notably also covering the
> last of the arrays emitted, symbol sizes need establishing. Make use of
> the xen/linkage.h machinery to achieve that.
>
> Suggested-by: Roger Pau Monné <roger.pau@xxxxxxxxxx>
> Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>
Acked-by: Roger Pau Monné <roger.pau@xxxxxxxxxx>
Thanks, Roger.
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