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Re: [PATCH] xen: always consider '/' as a division in assembly
- To: Roger Pau Monné <roger.pau@xxxxxxxxxx>
- From: Bertrand Marquis <Bertrand.Marquis@xxxxxxx>
- Date: Tue, 10 Feb 2026 15:57:17 +0000
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- Cc: "xen-devel@xxxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxxx>, Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, Anthony PERARD <anthony.perard@xxxxxxxxxx>, Michal Orzel <michal.orzel@xxxxxxx>, Jan Beulich <jbeulich@xxxxxxxx>, Julien Grall <julien@xxxxxxx>, Stefano Stabellini <sstabellini@xxxxxxxxxx>
- Delivery-date: Tue, 10 Feb 2026 15:58:33 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
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- Thread-topic: [PATCH] xen: always consider '/' as a division in assembly
Hi Roger
> On 10 Feb 2026, at 16:55, Roger Pau Monné <roger.pau@xxxxxxxxxx> wrote:
>
> On Tue, Feb 10, 2026 at 03:44:33PM +0000, Bertrand Marquis wrote:
>> Hi Roger,
>>
>>> On 10 Feb 2026, at 16:11, Roger Pau Monne <roger.pau@xxxxxxxxxx> wrote:
>>>
>>> GNU assembler will consider '/' as the start of comment marker on some
>>> platforms. This is incorrect with Xen's usage, which does use '/' in
>>> assembly files as a mathematical operator.
>>>
>>> The behavior of the assembler can be altered by passing the --divide
>>> option; unconditionally pass this option when available to force the
>>> expected behavior.
>>
>> This is solving the issue and I can build for arm with what and further
>> for x86 on mac os but it fails on check-endbr.sh:
>>
>> /bin/sh ../tools/check-endbr.sh xen-syms
>> stat: illegal option -- c
>
> Yeah, I know. I've fixed the stat issue, but there's a further one
> about an illegal bit sequence in grep. I'm looking into that.
LC_ALL=C grep is fixing that one on my side
with that and stat -c replaced with wc -c < xx I can fully compile x86 on Mac
os.
Cheers
Bertrand
>
> Thanks, Roger.
|
