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Re: [PATCH v1 1/3] xen: gcov: add support for gcc 14.1
- To: Volodymyr Babchuk <Volodymyr_Babchuk@xxxxxxxx>
- From: Jan Beulich <jbeulich@xxxxxxxx>
- Date: Thu, 27 Mar 2025 08:55:31 +0100
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- Cc: 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>, "xen-devel@xxxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxxx>
- Delivery-date: Thu, 27 Mar 2025 07:55:41 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
On 27.03.2025 01:40, Volodymyr Babchuk wrote:
> GCC 14.1 has 9 gcov counters and also can call new merge function
> __gcov_merge_ior(), so we need a new stub for it.
>
> Signed-off-by: Volodymyr Babchuk <volodymyr_babchuk@xxxxxxxx>
As to the title - what about 14.2.0? Or the soon to appear 14.3.0? I recommend
to say just 14.
> --- a/xen/common/coverage/gcc_4_7.c
> +++ b/xen/common/coverage/gcc_4_7.c
> @@ -28,8 +28,10 @@
> #define GCOV_COUNTERS 10
> #elif GCC_VERSION < 100000
> #define GCOV_COUNTERS 9
> -#else
> +#elif GCC_VERSION < 140100
The situation is a little less clear here because the development window is
fuzzy to cover. Nevertheless with all other conditionals here using only a
major version, with subversion being 0, I think the same should go for 14.
Unless of course there is a good reason to be inconsistent.
With both adjustments:
Reviewed-by: Jan Beulich <jbeulich@xxxxxxxx>
Jan
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