Mark internal getXXXbyYYY functions with attribute_hidden [BZ #18822]
Mark internal getXXXbyYYY functions with attribute_hidden to allow direct access within libc.so and libc.a without using GOT nor PLT. [BZ #18822] * include/aliases.h (__getaliasbyname_r): Add attribute_hidden. * include/netdb.h (__gethostbyaddr_r): Likewise. (__gethostbyname_r): Likewise. (__gethostbyname2_r): Likewise. (__getnetbyaddr_r): Likewise. (__getnetbyname_r): Likewise. (__getservbyname_r): Likewise. (__getservbyport_r): Likewise. (__getprotobyname_r): Likewise. (__getprotobynumber_r): Likewise. (__getnetgrent_r): Likewise. * include/rpc/netdb.h (__getrpcbyname_r): Likewise. (__getrpcbynumber_r): Likewise. * nss/getXXbyYY.c (INTERNAL (REENTRANT_NAME)): Likewise.
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H.J. Lu
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2e0a69097d
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18
ChangeLog
18
ChangeLog
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@ -1,3 +1,21 @@
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2017-10-01 H.J. Lu <hongjiu.lu@intel.com>
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[BZ #18822]
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* include/aliases.h (__getaliasbyname_r): Add attribute_hidden.
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* include/netdb.h (__gethostbyaddr_r): Likewise.
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(__gethostbyname_r): Likewise.
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(__gethostbyname2_r): Likewise.
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(__getnetbyaddr_r): Likewise.
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(__getnetbyname_r): Likewise.
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(__getservbyname_r): Likewise.
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(__getservbyport_r): Likewise.
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(__getprotobyname_r): Likewise.
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(__getprotobynumber_r): Likewise.
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(__getnetgrent_r): Likewise.
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* include/rpc/netdb.h (__getrpcbyname_r): Likewise.
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(__getrpcbynumber_r): Likewise.
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* nss/getXXbyYY.c (INTERNAL (REENTRANT_NAME)): Likewise.
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2017-10-01 H.J. Lu <hongjiu.lu@intel.com>
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[BZ #18822]
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@ -14,7 +14,8 @@ extern int __old_getaliasent_r (struct aliasent *__restrict __result_buf,
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extern int __getaliasbyname_r (const char *__restrict __name,
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struct aliasent *__restrict __result_buf,
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char *__restrict __buffer, size_t __buflen,
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struct aliasent **__restrict __result);
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struct aliasent **__restrict __result)
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attribute_hidden;
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extern int __old_getaliasbyname_r (const char *__restrict __name,
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struct aliasent *__restrict __result_buf,
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char *__restrict __buffer, size_t __buflen,
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@ -43,7 +43,8 @@ extern int __gethostbyaddr_r (const void *__restrict __addr,
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struct hostent *__restrict __result_buf,
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char *__restrict __buf, size_t __buflen,
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struct hostent **__restrict __result,
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int *__restrict __h_errnop);
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int *__restrict __h_errnop)
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attribute_hidden;
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extern int __old_gethostbyaddr_r (const void *__restrict __addr,
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socklen_t __len, int __type,
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struct hostent *__restrict __result_buf,
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@ -63,7 +64,8 @@ extern int __gethostbyname_r (const char *__restrict __name,
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struct hostent *__restrict __result_buf,
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char *__restrict __buf, size_t __buflen,
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struct hostent **__restrict __result,
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int *__restrict __h_errnop);
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int *__restrict __h_errnop)
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attribute_hidden;
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extern int __old_gethostbyname_r (const char *__restrict __name,
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struct hostent *__restrict __result_buf,
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char *__restrict __buf, size_t __buflen,
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@ -74,7 +76,8 @@ extern int __gethostbyname2_r (const char *__restrict __name, int __af,
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struct hostent *__restrict __result_buf,
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char *__restrict __buf, size_t __buflen,
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struct hostent **__restrict __result,
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int *__restrict __h_errnop);
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int *__restrict __h_errnop)
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attribute_hidden;
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extern int __old_gethostbyname2_r (const char *__restrict __name, int __af,
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struct hostent *__restrict __result_buf,
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char *__restrict __buf, size_t __buflen,
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@ -101,7 +104,8 @@ extern int __getnetbyaddr_r (uint32_t __net, int __type,
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struct netent *__restrict __result_buf,
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char *__restrict __buf, size_t __buflen,
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struct netent **__restrict __result,
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int *__restrict __h_errnop);
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int *__restrict __h_errnop)
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attribute_hidden;
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extern int __old_getnetbyaddr_r (uint32_t __net, int __type,
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struct netent *__restrict __result_buf,
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char *__restrict __buf, size_t __buflen,
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@ -112,7 +116,8 @@ extern int __getnetbyname_r (const char *__restrict __name,
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struct netent *__restrict __result_buf,
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char *__restrict __buf, size_t __buflen,
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struct netent **__restrict __result,
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int *__restrict __h_errnop);
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int *__restrict __h_errnop)
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attribute_hidden;
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extern int __old_getnetbyname_r (const char *__restrict __name,
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struct netent *__restrict __result_buf,
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char *__restrict __buf, size_t __buflen,
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@ -131,7 +136,8 @@ extern int __getservbyname_r (const char *__restrict __name,
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const char *__restrict __proto,
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struct servent *__restrict __result_buf,
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char *__restrict __buf, size_t __buflen,
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struct servent **__restrict __result);
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struct servent **__restrict __result)
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attribute_hidden;
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extern int __old_getservbyname_r (const char *__restrict __name,
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const char *__restrict __proto,
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struct servent *__restrict __result_buf,
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@ -142,7 +148,8 @@ extern int __getservbyport_r (int __port,
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const char *__restrict __proto,
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struct servent *__restrict __result_buf,
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char *__restrict __buf, size_t __buflen,
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struct servent **__restrict __result);
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struct servent **__restrict __result)
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attribute_hidden;
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extern int __old_getservbyport_r (int __port,
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const char *__restrict __proto,
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struct servent *__restrict __result_buf,
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@ -160,7 +167,8 @@ extern int __old_getprotoent_r (struct protoent *__restrict __result_buf,
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extern int __getprotobyname_r (const char *__restrict __name,
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struct protoent *__restrict __result_buf,
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char *__restrict __buf, size_t __buflen,
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struct protoent **__restrict __result);
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struct protoent **__restrict __result)
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attribute_hidden;
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extern int __old_getprotobyname_r (const char *__restrict __name,
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struct protoent *__restrict __result_buf,
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char *__restrict __buf, size_t __buflen,
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@ -169,7 +177,8 @@ extern int __old_getprotobyname_r (const char *__restrict __name,
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extern int __getprotobynumber_r (int __proto,
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struct protoent *__restrict __res_buf,
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char *__restrict __buf, size_t __buflen,
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struct protoent **__restrict __result);
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struct protoent **__restrict __result)
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attribute_hidden;
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extern int __old_getprotobynumber_r (int __proto,
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struct protoent *__restrict __res_buf,
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char *__restrict __buf, size_t __buflen,
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@ -178,7 +187,8 @@ extern int __old_getprotobynumber_r (int __proto,
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extern int __getnetgrent_r (char **__restrict __hostp,
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char **__restrict __userp,
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char **__restrict __domainp,
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char *__restrict __buffer, size_t __buflen);
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char *__restrict __buffer, size_t __buflen)
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attribute_hidden;
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extern int ruserpass (const char *host, const char **aname,
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const char **apass);
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@ -5,7 +5,7 @@
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extern int __getrpcbyname_r (const char *__name, struct rpcent *__result_buf,
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char *__buffer, size_t __buflen,
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struct rpcent **__result);
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struct rpcent **__result) attribute_hidden;
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extern int __old_getrpcbyname_r (const char *__name,
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struct rpcent *__result_buf,
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char *__buffer, size_t __buflen,
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@ -13,7 +13,7 @@ extern int __old_getrpcbyname_r (const char *__name,
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extern int __getrpcbynumber_r (int __number, struct rpcent *__result_buf,
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char *__buffer, size_t __buflen,
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struct rpcent **__result);
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struct rpcent **__result) attribute_hidden;
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extern int __old_getrpcbynumber_r (int __number, struct rpcent *__result_buf,
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char *__buffer, size_t __buflen,
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struct rpcent **__result);
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@ -79,7 +79,8 @@
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/* Prototype for reentrant version we use here. */
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extern int INTERNAL (REENTRANT_NAME) (ADD_PARAMS, LOOKUP_TYPE *resbuf,
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char *buffer, size_t buflen,
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LOOKUP_TYPE **result H_ERRNO_PARM);
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LOOKUP_TYPE **result H_ERRNO_PARM)
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attribute_hidden;
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/* We need to protect the dynamic buffer handling. */
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__libc_lock_define_initialized (static, lock);
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