diff options
Diffstat (limited to 'sysdeps')
| -rw-r--r-- | sysdeps/generic/ldsodefs.h | 2 | ||||
| -rw-r--r-- | sysdeps/sparc/sparc32/dl-machine.h | 4 | ||||
| -rw-r--r-- | sysdeps/x86/cpu-features.c | 4 |
3 files changed, 9 insertions, 1 deletions
diff --git a/sysdeps/generic/ldsodefs.h b/sysdeps/generic/ldsodefs.h index f26a8b2051..695ac24c77 100644 --- a/sysdeps/generic/ldsodefs.h +++ b/sysdeps/generic/ldsodefs.h @@ -515,8 +515,10 @@ struct rtld_global_ro /* Mask for hardware capabilities that are available. */ EXTERN uint64_t _dl_hwcap; +#if !HAVE_TUNABLES /* Mask for important hardware capabilities we honour. */ EXTERN uint64_t _dl_hwcap_mask; +#endif #ifdef HAVE_AUX_VECTOR /* Pointer to the auxv list supplied to the program at startup. */ diff --git a/sysdeps/sparc/sparc32/dl-machine.h b/sysdeps/sparc/sparc32/dl-machine.h index e17ac8e4cd..f9ae13300d 100644 --- a/sysdeps/sparc/sparc32/dl-machine.h +++ b/sysdeps/sparc/sparc32/dl-machine.h @@ -27,6 +27,7 @@ #include <sysdep.h> #include <tls.h> #include <dl-plt.h> +#include <elf/dl-hwcaps.h> /* Return nonzero iff ELF header is compatible with the running host. */ static inline int @@ -37,7 +38,8 @@ elf_machine_matches_host (const Elf32_Ehdr *ehdr) else if (ehdr->e_machine == EM_SPARC32PLUS) { #ifdef SHARED - return GLRO(dl_hwcap) & GLRO(dl_hwcap_mask) & HWCAP_SPARC_V9; + uint64_t hwcap_mask = GET_HWCAP_MASK(); + return GLRO(dl_hwcap) & hwcap_mask & HWCAP_SPARC_V9; #else return GLRO(dl_hwcap) & HWCAP_SPARC_V9; #endif diff --git a/sysdeps/x86/cpu-features.c b/sysdeps/x86/cpu-features.c index b481f50e75..4fe58bfd51 100644 --- a/sysdeps/x86/cpu-features.c +++ b/sysdeps/x86/cpu-features.c @@ -316,7 +316,11 @@ no_cpuid: /* Reuse dl_platform, dl_hwcap and dl_hwcap_mask for x86. */ GLRO(dl_platform) = NULL; GLRO(dl_hwcap) = 0; +#if !HAVE_TUNABLES + /* The glibc.tune.hwcap_mask tunable is initialized already, so no need to do + this. */ GLRO(dl_hwcap_mask) = HWCAP_IMPORTANT; +#endif # ifdef __x86_64__ if (cpu_features->kind == arch_kind_intel) |