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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 /nscd
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 'nscd')
-rw-r--r--nscd/gai.c3
1 files changed, 0 insertions, 3 deletions
diff --git a/nscd/gai.c b/nscd/gai.c
index a1aeada..084a1fe 100644
--- a/nscd/gai.c
+++ b/nscd/gai.c
@@ -43,6 +43,3 @@
#ifdef HAVE_LIBIDN
# include <libidn/idn-stub.c>
#endif
-
-/* Some variables normally defined in libc. */
-service_user *__nss_hosts_database;