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linux: Add support for clock_gettime64 vDSO

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No architecture currently defines the vDSO symbol.  On architectures
with 64-bit time_t the HAVE_CLOCK_GETTIME_VSYSCALL is renamed to
HAVE_CLOCK_GETTIME64_VSYSCALL, it simplifies clock_gettime code.

Reviewed-by: Siddhesh Poyarekar <siddhesh@sourceware.org>
This commit is contained in:
Adhemerval Zanella
2019-12-11 11:13:50 -03:00
parent 1bdda52fe9
commit ff500a623d
9 changed files with 34 additions and 12 deletions
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4
sysdeps/unix/sysv/linux/dl-vdso-setup.c
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@ -45,6 +45,10 @@
PROCINFO_CLASS int (*_dl_vdso_clock_gettime) (clockid_t,
struct timespec *) RELRO;
#endif
# ifdef HAVE_CLOCK_GETTIME64_VSYSCALL
PROCINFO_CLASS int (*_dl_vdso_clock_gettime64) (clockid_t,
struct __timespec64 *) RELRO;
#endif
# ifdef HAVE_GETTIMEOFDAY_VSYSCALL
PROCINFO_CLASS int (*_dl_vdso_gettimeofday) (struct timeval *, void *) RELRO;
#endif