diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/x86/cpu-features.c')
| -rw-r--r-- | sysdeps/unix/sysv/linux/x86/cpu-features.c | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/sysdeps/unix/sysv/linux/x86/cpu-features.c b/sysdeps/unix/sysv/linux/x86/cpu-features.c index 41e7600..0e6e2bf 100644 --- a/sysdeps/unix/sysv/linux/x86/cpu-features.c +++ b/sysdeps/unix/sysv/linux/x86/cpu-features.c @@ -23,10 +23,15 @@ static inline int __attribute__ ((always_inline)) get_cet_status (void) { - unsigned long long cet_status[3]; - if (INTERNAL_SYSCALL_CALL (arch_prctl, ARCH_CET_STATUS, cet_status) == 0) - return cet_status[0]; - return 0; + unsigned long long kernel_feature; + unsigned int status = 0; + if (INTERNAL_SYSCALL_CALL (arch_prctl, ARCH_SHSTK_STATUS, + &kernel_feature) == 0) + { + if ((kernel_feature & ARCH_SHSTK_SHSTK) != 0) + status = GNU_PROPERTY_X86_FEATURE_1_SHSTK; + } + return status; } # ifndef SHARED |