Set the default _dl_sysinfo in _dl_aux_init to avoid RELATIVE relocation
in static PIE.
This is needed for fixing bug 27072 on x86.
Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
struct dl_scope_free_list *_dl_scope_free_list;
#ifdef NEED_DL_SYSINFO
-/* Needed for improved syscall handling on at least x86/Linux. */
-uintptr_t _dl_sysinfo = DL_SYSINFO_DEFAULT;
+/* Needed for improved syscall handling on at least x86/Linux. NB: Don't
+ initialize it here to avoid RELATIVE relocation in static PIE. */
+uintptr_t _dl_sysinfo;
#endif
#ifdef NEED_DL_SYSINFO_DSO
/* Address of the ELF headers in the vsyscall page. */
uid_t uid = 0;
gid_t gid = 0;
+#ifdef NEED_DL_SYSINFO
+ /* NB: Avoid RELATIVE relocation in static PIE. */
+ GL(dl_sysinfo) = DL_SYSINFO_DEFAULT;
+#endif
+
_dl_auxv = av;
for (; av->a_type != AT_NULL; ++av)
switch (av->a_type)