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Re: RFC: Add <sys/platform/x86.h> to glibc 2.29

On 08/17/2018 06:43 PM, H.J. Lu wrote:

Are these functions supposed to be usable in IFUNC resolvers?


They have the same limitation as

/* Used from outside of glibc to get access to the CPU features
     structure.  */
extern const struct cpu_features *__get_cpu_features (void)
       __attribute__ ((const));


Sorry, this does not answer my question.



Just like __get_cpu_features, they can be used in IFUNC resolvers.


Then we need something like this:

  <https://sourceware.org/ml/libc-alpha/2018-06/msg00077.html>

Thanks,
Florian
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