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.
This commit is contained in:
H.J. Lu 2017-10-01 15:17:19 -07:00
parent a4338d994f
commit b0f5678494
2 changed files with 30 additions and 11 deletions

View File

@ -1,3 +1,18 @@
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]

View File

@ -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. */