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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 /nss/XXX-lookup.c
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 'nss/XXX-lookup.c')
-rw-r--r--nss/XXX-lookup.c2
1 files changed, 0 insertions, 2 deletions
diff --git a/nss/XXX-lookup.c b/nss/XXX-lookup.c
index 49417691b2..839c96e194 100644
--- a/nss/XXX-lookup.c
+++ b/nss/XXX-lookup.c
@@ -52,8 +52,6 @@
 #define DEFAULT_CONFIG NULL
 #endif
 
-service_user *DATABASE_NAME_SYMBOL attribute_hidden;
-
 int
 DB_LOOKUP_FCT (service_user **ni, const char *fct_name, const char *fct2_name,
 	       void **fctp)