Wilco Dijkstra <wilco.dijks...@arm.com> writes:
> Hi Richard,
>
> I've added a comment - as usual it's just a number. A quick grep in gcc and
> glibc showed that priorities 98-101 are used, so I just went a bit below so it
> has a higher priority than typical initializations.
Thanks. OK for trunk, and for backports after a trial period.
Richard
> Cheers,
> Wilco
>
> Here is v2:
>
> Increase the priority of the init_have_lse_atomics constructor so it runs
> before other constructors. This improves chances that rr works when LSE
> atomics are supported.
>
> Regress and bootstrap pass, OK for commit?
>
> 2022-05-24 Wilco Dijkstra <wdijk...@arm.com>
>
> libgcc/
> PR libgcc/105708
> * config/aarch64/lse-init.c: Increase constructor priority.
>
> ---
>
> diff --git a/libgcc/config/aarch64/lse-init.c
> b/libgcc/config/aarch64/lse-init.c
> index
> fc875b7fe80e947623e570eac130e7a14b516551..33b97c8d766895cf0101a851e1dc4ed6a1a053d9
> 100644
> --- a/libgcc/config/aarch64/lse-init.c
> +++ b/libgcc/config/aarch64/lse-init.c
> @@ -38,7 +38,9 @@ _Bool __aarch64_have_lse_atomics
>
> unsigned long int __getauxval (unsigned long int);
>
> -static void __attribute__((constructor))
> +/* Use a higher priority to ensure it runs before user constructors
> + and library constructors with priority 100. */
> +static void __attribute__((constructor (90)))
> init_have_lse_atomics (void)
> {
> unsigned long hwcap = __getauxval (AT_HWCAP);
