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Re: [PATCH v10 1/2] Do not attempt to workaround older binutils
- To: Frediano Ziglio <frediano.ziglio@xxxxxxxxxx>
- From: Jan Beulich <jbeulich@xxxxxxxx>
- Date: Mon, 8 Dec 2025 14:56:28 +0100
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- Cc: Frediano Ziglio <frediano.ziglio@xxxxxxxxx>, Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, Anthony PERARD <anthony.perard@xxxxxxxxxx>, Michal Orzel <michal.orzel@xxxxxxx>, Julien Grall <julien@xxxxxxx>, Roger Pau Monné <roger.pau@xxxxxxxxxx>, Stefano Stabellini <sstabellini@xxxxxxxxxx>, Frediano Ziglio <freddy77@xxxxxxxxx>, Demi Marie Obenour <demiobenour@xxxxxxxxx>, Marek Marczykowski-Górecki <marmarek@xxxxxxxxxxxxxxxxxxxxxx>, Stewart Hildebrand <stewart.hildebrand@xxxxxxx>, Oleksii Kurochko <oleksii.kurochko@xxxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxxx
- Delivery-date: Mon, 08 Dec 2025 13:58:50 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
On 08.12.2025 14:39, Frediano Ziglio wrote:
> From: Frediano Ziglio <frediano.ziglio@xxxxxxxxx>
>
> Older binutils versions do not handle correctly PE files.
> It looks like they could work if they don't produce debug information
> but they mess the PE file in other way like putting invalid
> flags in sections.
> For instance they set IMAGE_SCN_LNK_NRELOC_OVFL flag which should be
> set only if the number of relocations are more than 64K and not on
> executable (while xen.efi is an executable).
> Although some UEFI implementation do not check for these minor flags
> we should not allow building not working artifacts.
The sentence is self-contradictory imo: When "some UEFI implementation
do not check", what "not working artifacts" are you talking about?
> Also different tools will complain about the format (like
> objdump and strip).
>
> Signed-off-by: Frediano Ziglio <frediano.ziglio@xxxxxxxxx>
> Acked-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
As said in reply to v9 - I don't think we should be taking this step
unless we can prove the generated binaries to be entirely unusable.
Which, again as said, contradicts my personal experience.
Jan
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