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elf: Remove LD_HWCAP_MASK / tunable glibc.cpu.hwcap_mask

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Remove the environment variable LD_HWCAP_MASK and the tunable
glibc.cpu.hwcap_mask as those are not used anymore in common-code
after removal in elf/dl-cache.c:search_cache().

The only remaining user is sparc32 where it is used in
elf_machine_matches_host().  If sparc32 does not need it anymore,
we can get rid of it at all.  Otherwise we could also move
LD_HWCAP_MASK / tunable glibc.cpu.hwcap_mask to be sparc32 specific.
Reviewed-by: Adhemerval Zanella  <adhemerval.zanella@linaro.org>
This commit is contained in:
Stefan Liebler
2024-06-07 13:42:43 +02:00
parent 343439a31e
commit ad0aa1f549
6 changed files with 6 additions and 32 deletions
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6
sysdeps/sparc/sparc32/dl-machine.h
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@ -39,13 +39,7 @@ elf_machine_matches_host (const Elf32_Ehdr *ehdr)
return 1;
else if (ehdr->e_machine == EM_SPARC32PLUS)
{
#if defined SHARED
uint64_t hwcap_mask = TUNABLE_GET (glibc, cpu, hwcap_mask, uint64_t,
NULL);
return GLRO(dl_hwcap) & hwcap_mask & HWCAP_SPARC_V9;
#else
return GLRO(dl_hwcap) & HWCAP_SPARC_V9;
#endif
}
else
return 0;