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Use libc_ifunc macro for clock_* symbols in librt.

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This patch uses the libc_ifunc macro to create already existing ifunc functions
clock_getres, clock_gettime, clock_settime, clock_getcpuclockid and
clock_nanosleep. If HAVE_IFUNC is defined, the macro COMPAT_REDIRECT uses
the libc_ifunc macro.
Furthermore some whitespace damage is cleaned.

ChangeLog:

	* rt/clock-compat.c (COMPAT_REDIRECT): Use libc_ifunc macro.
This commit is contained in:
Stefan Liebler 2016-10-07 09:56:47 +02:00
parent a4d7fe35cd
commit 98ac7b7c85
2 changed files with 19 additions and 19 deletions
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4
ChangeLog
View File

@ -1,3 +1,7 @@
2016-10-07 Stefan Liebler <stli@linux.vnet.ibm.com>
* rt/clock-compat.c (COMPAT_REDIRECT): Use libc_ifunc macro.
2016-10-07 Stefan Liebler <stli@linux.vnet.ibm.com>
* sysdeps/unix/sysv/linux/powerpc/gettimeofday.c (__gettimeofday):

34
rt/clock-compat.c
View File

@ -28,13 +28,9 @@
#include <time.h>
#if HAVE_IFUNC
# define COMPAT_REDIRECT(name, proto, arglist) \
__typeof (name) *name##_ifunc (void) asm (#name); \
__typeof (name) *name##_ifunc (void) \
{ \
return &__##name; \
} \
asm (".type " #name ", %gnu_indirect_function");
# undef INIT_ARCH
# define INIT_ARCH()
# define COMPAT_REDIRECT(name, proto, arglist) libc_ifunc (name, &__##name)
#else
# define COMPAT_REDIRECT(name, proto, arglist) \
int \
@ -45,21 +41,21 @@
#endif
COMPAT_REDIRECT (clock_getres,
(clockid_t clock_id, struct timespec *res),
(clock_id, res))
(clockid_t clock_id, struct timespec *res),
(clock_id, res))
COMPAT_REDIRECT (clock_gettime,
(clockid_t clock_id, struct timespec *tp),
(clock_id, tp))
(clockid_t clock_id, struct timespec *tp),
(clock_id, tp))
COMPAT_REDIRECT (clock_settime,
(clockid_t clock_id, const struct timespec *tp),
(clock_id, tp))
(clockid_t clock_id, const struct timespec *tp),
(clock_id, tp))
COMPAT_REDIRECT (clock_getcpuclockid,
(pid_t pid, clockid_t *clock_id),
(pid, clock_id))
(pid_t pid, clockid_t *clock_id),
(pid, clock_id))
COMPAT_REDIRECT (clock_nanosleep,
(clockid_t clock_id, int flags,
const struct timespec *req,
struct timespec *rem),
(clock_id, flags, req, rem))
(clockid_t clock_id, int flags,
const struct timespec *req,
struct timespec *rem),
(clock_id, flags, req, rem))
#endif