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authorH.J. Lu <hjl.tools@gmail.com>2017-10-01 15:51:44 -0700
committerH.J. Lu <hjl.tools@gmail.com>2017-10-01 15:51:56 -0700
commit59c04e67631d370738b80923d42d4d1539d8f95f (patch)
treef89921d970aa995215b7ae4740832f4b4f1702c4 /login
parent4587a421c54a8912b3e24913c7e1501293042b40 (diff)
Mark internal utmp functions with attribute_hidden [BZ #18822]
Mark internal utmp functions with attribute_hidden to allow direct access within libc.so and libc.a without using GOT nor PLT. [BZ #18822] * include/utmp.h (__updwtmp): Add libc_hidden_proto. (__getutent): Likewise. (__getutid): Likewise. (__getutline): Likewise. (__pututline): Likewise. (__getutent_r): Likewise. (__getutid_r): Likewise. (__getutline_r): Likewise. (__utmpname): Add attribute_hidden. (__setutent): Likewise. (__endutent): Likewise. * login/getutent.c (__getutent): Add libc_hidden_def. * login/getutent_r.c (__getutent_r): Likewise. (__pututline): Likewise. * login/getutid.c (__getutid): Likewise. * login/getutid_r.c (__getutid_r): Likewise. * login/getutline.c (__getutline): Likewise. * login/getutline_r.c (__getutline_r): Likewise. * login/updwtmp.c (__updwtmp): Likewise.
Diffstat (limited to 'login')
-rw-r--r--login/getutent.c1
-rw-r--r--login/getutent_r.c2
-rw-r--r--login/getutid.c1
-rw-r--r--login/getutid_r.c1
-rw-r--r--login/getutline.c1
-rw-r--r--login/getutline_r.c1
-rw-r--r--login/updwtmp.c1
7 files changed, 8 insertions, 0 deletions
diff --git a/login/getutent.c b/login/getutent.c
index 114f7dbbc7..2f6ccf0d3b 100644
--- a/login/getutent.c
+++ b/login/getutent.c
@@ -41,4 +41,5 @@ __getutent (void)
return result;
}
+libc_hidden_def (__getutent)
weak_alias (__getutent, getutent)
diff --git a/login/getutent_r.c b/login/getutent_r.c
index 62272a2841..1b126f088a 100644
--- a/login/getutent_r.c
+++ b/login/getutent_r.c
@@ -151,6 +151,7 @@ __getutent_r (struct utmp *buffer, struct utmp **result)
return retval;
}
+libc_hidden_def (__getutent_r)
weak_alias (__getutent_r, getutent_r)
@@ -167,6 +168,7 @@ __pututline (const struct utmp *data)
return buffer;
}
+libc_hidden_def (__pututline)
weak_alias (__pututline, pututline)
diff --git a/login/getutid.c b/login/getutid.c
index 003bc657e6..62924f0fcf 100644
--- a/login/getutid.c
+++ b/login/getutid.c
@@ -39,4 +39,5 @@ __getutid (const struct utmp *id)
return result;
}
+libc_hidden_def (__getutid)
weak_alias (__getutid, getutid)
diff --git a/login/getutid_r.c b/login/getutid_r.c
index f82301322f..36ddbb228a 100644
--- a/login/getutid_r.c
+++ b/login/getutid_r.c
@@ -59,4 +59,5 @@ __getutid_r (const struct utmp *id, struct utmp *buffer, struct utmp **result)
return -1;
#endif
}
+libc_hidden_def (__getutid_r)
weak_alias (__getutid_r, getutid_r)
diff --git a/login/getutline.c b/login/getutline.c
index f5291e8a8e..636b8feec8 100644
--- a/login/getutline.c
+++ b/login/getutline.c
@@ -40,4 +40,5 @@ __getutline (const struct utmp *line)
return result;
}
+libc_hidden_def (__getutline)
weak_alias (__getutline, getutline)
diff --git a/login/getutline_r.c b/login/getutline_r.c
index 1a6f1688ee..3adc3d0d66 100644
--- a/login/getutline_r.c
+++ b/login/getutline_r.c
@@ -42,4 +42,5 @@ __getutline_r (const struct utmp *line, struct utmp *buffer,
return retval;
}
+libc_hidden_def (__getutline_r)
weak_alias (__getutline_r, getutline_r)
diff --git a/login/updwtmp.c b/login/updwtmp.c
index 7788614ed3..3fcbaf643d 100644
--- a/login/updwtmp.c
+++ b/login/updwtmp.c
@@ -31,4 +31,5 @@ __updwtmp (const char *wtmp_file, const struct utmp *utmp)
(*__libc_utmp_file_functions.updwtmp) (file_name, utmp);
}
+libc_hidden_def (__updwtmp)
weak_alias (__updwtmp, updwtmp)