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authorH.J. Lu <hjl.tools@gmail.com>2017-10-01 15:17:19 -0700
committerH.J. Lu <hjl.tools@gmail.com>2017-10-01 15:17:32 -0700
commitb0f5678494d727b6868435dfc32b066ade6d3e49 (patch)
tree71a8c2c77620e4e45f4c4b23306c189206b288a6
parenta4338d994fe4b1802db040140153b4b6bc36c817 (diff)
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Mark internal time functions with attribute_hidden [BZ #18822]
Mark internal time functions with attribute_hidden to allow direct access within libc.so and libc.a without using GOT nor PLT. [BZ #18822] * include/time.h (__tzstring): Add attribute_hidden. (__tzfile_read): Likewise. (__tzfile_compute): Likewise. (__tzfile_default): Likewise. (__tzset_parse_tz): Likewise. (__offtime): Likewise. (__asctime_r): Likewise. (__tzset): Likewise. (__tz_convert): Likewise. (__getdate_r): Likewise. (__getclktck): Likewise.
-rw-r--r--ChangeLog15
-rw-r--r--include/time.h26
2 files changed, 30 insertions, 11 deletions
diff --git a/ChangeLog b/ChangeLog
index 170d079..4a8d173 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,6 +1,21 @@
2017-10-01 H.J. Lu <hongjiu.lu@intel.com>
[BZ #18822]
+ * include/time.h (__tzstring): Add attribute_hidden.
+ (__tzfile_read): Likewise.
+ (__tzfile_compute): Likewise.
+ (__tzfile_default): Likewise.
+ (__tzset_parse_tz): Likewise.
+ (__offtime): Likewise.
+ (__asctime_r): Likewise.
+ (__tzset): Likewise.
+ (__tz_convert): Likewise.
+ (__getdate_r): Likewise.
+ (__getclktck): Likewise.
+
+2017-10-01 H.J. Lu <hongjiu.lu@intel.com>
+
+ [BZ #18822]
* nscd/nscd-client.h (__nscd_get_map_ref): Add attribute_hidden.
(__nscd_unmap): Likewise.
(__nscd_cache_search): Likewise.
diff --git a/include/time.h b/include/time.h
index e8c07bb..aab26d7 100644
--- a/include/time.h
+++ b/include/time.h
@@ -33,18 +33,19 @@ extern const unsigned short int __mon_yday[2][13] attribute_hidden;
extern struct tm _tmbuf attribute_hidden;
/* Defined in tzset.c. */
-extern char *__tzstring (const char *string);
+extern char *__tzstring (const char *string) attribute_hidden;
extern int __use_tzfile attribute_hidden;
extern void __tzfile_read (const char *file, size_t extra,
- char **extrap);
+ char **extrap) attribute_hidden;
extern void __tzfile_compute (time_t timer, int use_localtime,
long int *leap_correct, int *leap_hit,
- struct tm *tp);
+ struct tm *tp) attribute_hidden;
extern void __tzfile_default (const char *std, const char *dst,
- long int stdoff, long int dstoff);
-extern void __tzset_parse_tz (const char *tz);
+ long int stdoff, long int dstoff)
+ attribute_hidden;
+extern void __tzset_parse_tz (const char *tz) attribute_hidden;
extern void __tz_compute (time_t timer, struct tm *tm, int use_localtime)
__THROW attribute_hidden;
@@ -68,22 +69,25 @@ libc_hidden_proto (__gmtime_r)
Return nonzero if successful. */
extern int __offtime (const time_t *__timer,
long int __offset,
- struct tm *__tp);
+ struct tm *__tp) attribute_hidden;
-extern char *__asctime_r (const struct tm *__tp, char *__buf);
-extern void __tzset (void);
+extern char *__asctime_r (const struct tm *__tp, char *__buf)
+ attribute_hidden;
+extern void __tzset (void) attribute_hidden;
/* Prototype for the internal function to get information based on TZ. */
-extern struct tm *__tz_convert (const time_t *timer, int use_localtime, struct tm *tp);
+extern struct tm *__tz_convert (const time_t *timer, int use_localtime,
+ struct tm *tp) attribute_hidden;
extern int __nanosleep (const struct timespec *__requested_time,
struct timespec *__remaining);
hidden_proto (__nanosleep)
-extern int __getdate_r (const char *__string, struct tm *__resbufp);
+extern int __getdate_r (const char *__string, struct tm *__resbufp)
+ attribute_hidden;
/* Determine CLK_TCK value. */
-extern int __getclktck (void);
+extern int __getclktck (void) attribute_hidden;
/* strptime support. */