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authorH.J. Lu <hjl.tools@gmail.com>2017-08-21 05:31:02 -0700
committerH.J. Lu <hjl.tools@gmail.com>2017-08-21 05:31:19 -0700
commit1dbbb1ec7af9026bbdc6dd265525de0c3958406c (patch)
tree21aa5ee4232f9e0c8a0f45f7b8476711fce828e7 /grp
parent2585d7b839559e665d5723734862fbe62264b25d (diff)
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Mark internal nss symbols with attribute_hidden [BZ #18822]
Mark internal nss symbols with attribute_hidden to allow direct access within libc.so and libc.a without using GOT nor PLT. Tested on x86-64 with and without --disable-nscd. [BZ #18822] * grp/initgroups.c (__nss_group_database): Removed. (__nss_initgroups_database): Likewise. * nscd/gai.c (__nss_hosts_database): Likewise. * nss/XXX-lookup.c (DATABASE_NAME_SYMBOL): Likewise. * posix/tst-rfc3484-2.c (__nss_hosts_database): Likewise. * posix/tst-rfc3484-3.c (__nss_hosts_database): Likewise. * posix/tst-rfc3484.c (__nss_hosts_database): Likewise. * sysdeps/posix/getaddrinfo.c (__nss_hosts_database): Likewise. * nss/getXXent.c (INTERNAL (REENTRANT_GETNAME)): Add attribute_hidden. * nss/nsswitch.c (__nss_database_custom): Define only if USE_NSCD is defined. (__nss_configure_lookup): Use __nss_database_custom only if USE_NSCD is defined. * nss/nsswitch.h (__nss_database_custom): Declare only if USE_NSCD is defined. Add attribute_hidden. (__nss_setent): Add attribute_hidden. (__nss_endent): Likewise. (__nss_getent_r): Likewise. (__nss_getent): Likewise. (DEFINE_DATABASE): Declare __nss_##arg##_database.
Diffstat (limited to 'grp')
-rw-r--r--grp/initgroups.c2
1 files changed, 0 insertions, 2 deletions
diff --git a/grp/initgroups.c b/grp/initgroups.c
index 0d5b841..3e4a3de 100644
--- a/grp/initgroups.c
+++ b/grp/initgroups.c
@@ -36,8 +36,6 @@ typedef enum nss_status (*initgroups_dyn_function) (const char *, gid_t,
long int *, long int *,
gid_t **, long int, int *);
-extern service_user *__nss_group_database attribute_hidden;
-service_user *__nss_initgroups_database;
static bool use_initgroups_entry;