From 1dbbb1ec7af9026bbdc6dd265525de0c3958406c Mon Sep 17 00:00:00 2001 From: "H.J. Lu" Date: Mon, 21 Aug 2017 05:31:02 -0700 Subject: 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. --- sysdeps/posix/getaddrinfo.c | 1 - 1 file changed, 1 deletion(-) (limited to 'sysdeps/posix') diff --git a/sysdeps/posix/getaddrinfo.c b/sysdeps/posix/getaddrinfo.c index f02bbbe533..fcc5d79362 100644 --- a/sysdeps/posix/getaddrinfo.c +++ b/sysdeps/posix/getaddrinfo.c @@ -318,7 +318,6 @@ typedef enum nss_status (*nss_gethostbyname3_r) typedef enum nss_status (*nss_getcanonname_r) (const char *name, char *buffer, size_t buflen, char **result, int *errnop, int *h_errnop); -extern service_user *__nss_hosts_database attribute_hidden; /* This function is called if a canonical name is requested, but if the service function did not provide it. It tries to obtain the -- cgit 1.4.1