diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux')
-rw-r--r-- | sysdeps/unix/sysv/linux/aarch64/gettimeofday.c | 4 | ||||
-rw-r--r-- | sysdeps/unix/sysv/linux/clock_getres.c | 36 | ||||
-rw-r--r-- | sysdeps/unix/sysv/linux/clock_gettime.c | 38 | ||||
-rw-r--r-- | sysdeps/unix/sysv/linux/getcpu.c | 9 | ||||
-rw-r--r-- | sysdeps/unix/sysv/linux/powerpc/gettimeofday.c | 4 | ||||
-rw-r--r-- | sysdeps/unix/sysv/linux/powerpc/time.c | 4 | ||||
-rw-r--r-- | sysdeps/unix/sysv/linux/sched_getcpu.c | 15 | ||||
-rw-r--r-- | sysdeps/unix/sysv/linux/sysdep-vdso.h | 34 | ||||
-rw-r--r-- | sysdeps/unix/sysv/linux/x86/gettimeofday.c | 4 | ||||
-rw-r--r-- | sysdeps/unix/sysv/linux/x86/time.c | 8 |
10 files changed, 58 insertions, 98 deletions
diff --git a/sysdeps/unix/sysv/linux/aarch64/gettimeofday.c b/sysdeps/unix/sysv/linux/aarch64/gettimeofday.c index c53c223a73..d50faac054 100644 --- a/sysdeps/unix/sysv/linux/aarch64/gettimeofday.c +++ b/sysdeps/unix/sysv/linux/aarch64/gettimeofday.c @@ -22,10 +22,6 @@ #include <time.h> #include <sysdep.h> - -#ifdef HAVE_GETTIMEOFDAY_VSYSCALL -# define HAVE_VSYSCALL -#endif #include <sysdep-vdso.h> /* Used as a fallback in the ifunc resolver if VDSO is not available diff --git a/sysdeps/unix/sysv/linux/clock_getres.c b/sysdeps/unix/sysv/linux/clock_getres.c index f55cf39d31..d3cabfcb2f 100644 --- a/sysdeps/unix/sysv/linux/clock_getres.c +++ b/sysdeps/unix/sysv/linux/clock_getres.c @@ -20,9 +20,6 @@ #include <errno.h> #include <time.h> -#ifdef HAVE_CLOCK_GETRES_VSYSCALL -# define HAVE_VSYSCALL -#endif #include <sysdep-vdso.h> #include <shlib-compat.h> #include <kernel-features.h> @@ -32,23 +29,34 @@ int __clock_getres64 (clockid_t clock_id, struct __timespec64 *res) { #ifdef __ASSUME_TIME64_SYSCALLS -# ifndef __NR_clock_getres_time64 - return INLINE_VSYSCALL (clock_getres, 2, clock_id, res); + /* 64 bit ABIs or Newer 32-bit ABIs that only support 64-bit time_t. */ +# ifdef __NR_clock_getres_time64 + return INLINE_SYSCALL_CALL (clock_getres_time64, clock_id, res); # else - return INLINE_SYSCALL (clock_getres_time64, 2, clock_id, res); +# ifdef HAVE_CLOCK_GETRES_VSYSCALL + return INLINE_VSYSCALL (clock_getres, 2, clock_id, res); +# else + return INLINE_SYSCALL_CALL (clock_getres, clock_id, res); +# endif # endif #else + int r; + /* Old 32-bit ABI with possible 64-bit time_t support. */ # ifdef __NR_clock_getres_time64 - int ret = INLINE_SYSCALL (clock_getres_time64, 2, clock_id, res); - if (ret == 0 || errno != ENOSYS) - return ret; + r = INLINE_SYSCALL_CALL (clock_getres_time64, clock_id, res); + if (r == 0 || errno != ENOSYS) + return r; # endif + /* Fallback code that uses 32-bit support. */ struct timespec ts32; - int retval = INLINE_VSYSCALL (clock_getres, 2, clock_id, &ts32); - if (! retval && res) +# ifdef HAVE_CLOCK_GETRES_VSYSCALL + r = INLINE_VSYSCALL (clock_getres, 2, clock_id, &ts32); +# else + r = INLINE_SYSCALL_CALL (clock_getres, clock_id, &ts32); +# endif + if (r == 0) *res = valid_timespec_to_timespec64 (ts32); - - return retval; + return r; #endif } @@ -60,7 +68,7 @@ __clock_getres (clockid_t clock_id, struct timespec *res) int retval; retval = __clock_getres64 (clock_id, &ts64); - if (! retval && res) + if (retval == 0 && res != NULL) *res = valid_timespec64_to_timespec (ts64); return retval; diff --git a/sysdeps/unix/sysv/linux/clock_gettime.c b/sysdeps/unix/sysv/linux/clock_gettime.c index fe6de68620..74aadbfbd4 100644 --- a/sysdeps/unix/sysv/linux/clock_gettime.c +++ b/sysdeps/unix/sysv/linux/clock_gettime.c @@ -21,10 +21,6 @@ #include <errno.h> #include <time.h> #include "kernel-posix-cpu-timers.h" - -#ifdef HAVE_CLOCK_GETTIME_VSYSCALL -# define HAVE_VSYSCALL -#endif #include <sysdep-vdso.h> #include <shlib-compat.h> @@ -34,22 +30,34 @@ int __clock_gettime64 (clockid_t clock_id, struct __timespec64 *tp) { #ifdef __ASSUME_TIME64_SYSCALLS -# ifndef __NR_clock_gettime64 -# define __NR_clock_gettime64 __NR_clock_gettime -# define __vdso_clock_gettime64 __vdso_clock_gettime + /* 64 bit ABIs or Newer 32-bit ABIs that only support 64-bit time_t. */ +# ifdef __NR_clock_gettime64 + return INLINE_SYSCALL_CALL (clock_gettime64, clock_id, tp); +# else +# ifdef HAVE_CLOCK_GETTIME_VSYSCALL + return INLINE_VSYSCALL (clock_gettime, 2, clock_id, tp); +# else + return INLINE_SYSCALL_CALL (clock_gettime, clock_id, tp); +# endif # endif - return INLINE_VSYSCALL (clock_gettime64, 2, clock_id, tp); #else -# if defined HAVE_CLOCK_GETTIME64_VSYSCALL - int ret64 = INLINE_VSYSCALL (clock_gettime64, 2, clock_id, tp); - if (ret64 == 0 || errno != ENOSYS) - return ret64; + int r; + /* Old 32-bit ABI with possible 64-bit time_t support. */ +# ifdef __NR_clock_gettime64 + r = INLINE_SYSCALL_CALL (clock_gettime64, clock_id, tp); + if (r == 0 || errno != ENOSYS) + return r; # endif + /* Fallback code that uses 32-bit support. */ struct timespec tp32; - int ret = INLINE_VSYSCALL (clock_gettime, 2, clock_id, &tp32); - if (ret == 0) +# ifdef HAVE_CLOCK_GETTIME_VSYSCALL + r = INLINE_VSYSCALL (clock_gettime, 2, clock_id, &tp32); +# else + r = INLINE_SYSCALL_CALL (clock_gettime, clock_id, &tp32); +# endif + if (r == 0) *tp = valid_timespec_to_timespec64 (tp32); - return ret; + return r; #endif } diff --git a/sysdeps/unix/sysv/linux/getcpu.c b/sysdeps/unix/sysv/linux/getcpu.c index c16652d954..db381d33a8 100644 --- a/sysdeps/unix/sysv/linux/getcpu.c +++ b/sysdeps/unix/sysv/linux/getcpu.c @@ -18,20 +18,15 @@ #include <errno.h> #include <sched.h> #include <sysdep.h> - -#ifdef HAVE_GETCPU_VSYSCALL -# define HAVE_VSYSCALL -#endif #include <sysdep-vdso.h> int __getcpu (unsigned int *cpu, unsigned int *node) { -#ifdef __NR_getcpu +#ifdef HAVE_GETCPU_VSYSCALL return INLINE_VSYSCALL (getcpu, 3, cpu, node, NULL); #else - __set_errno (ENOSYS); - return -1; + return INLINE_SYSCALL_CALL (getcpu, cpu, node, NULL); #endif } weak_alias (__getcpu, getcpu) diff --git a/sysdeps/unix/sysv/linux/powerpc/gettimeofday.c b/sysdeps/unix/sysv/linux/powerpc/gettimeofday.c index ff3949124a..6f68b11f74 100644 --- a/sysdeps/unix/sysv/linux/powerpc/gettimeofday.c +++ b/sysdeps/unix/sysv/linux/powerpc/gettimeofday.c @@ -17,10 +17,6 @@ #include <time.h> #include <sysdep.h> - -#ifdef HAVE_GETTIMEOFDAY_VSYSCALL -# define HAVE_VSYSCALL -#endif #include <sysdep-vdso.h> static int diff --git a/sysdeps/unix/sysv/linux/powerpc/time.c b/sysdeps/unix/sysv/linux/powerpc/time.c index 253dfd5b8d..e226f4479b 100644 --- a/sysdeps/unix/sysv/linux/powerpc/time.c +++ b/sysdeps/unix/sysv/linux/powerpc/time.c @@ -18,10 +18,6 @@ #include <time.h> #include <sysdep.h> - -#ifdef HAVE_TIME_VSYSCALL -# define HAVE_VSYSCALL -#endif #include <sysdep-vdso.h> static time_t diff --git a/sysdeps/unix/sysv/linux/sched_getcpu.c b/sysdeps/unix/sysv/linux/sched_getcpu.c index 2eb99ec4b5..c019cfb3cf 100644 --- a/sysdeps/unix/sysv/linux/sched_getcpu.c +++ b/sysdeps/unix/sysv/linux/sched_getcpu.c @@ -18,22 +18,17 @@ #include <errno.h> #include <sched.h> #include <sysdep.h> - -#ifdef HAVE_GETCPU_VSYSCALL -# define HAVE_VSYSCALL -#endif #include <sysdep-vdso.h> int sched_getcpu (void) { -#ifdef __NR_getcpu unsigned int cpu; - int r = INLINE_VSYSCALL (getcpu, 3, &cpu, NULL, NULL); - - return r == -1 ? r : cpu; + int r = -1; +#ifdef HAVE_GETCPU_VSYSCALL + r = INLINE_VSYSCALL (getcpu, 3, &cpu, NULL, NULL); #else - __set_errno (ENOSYS); - return -1; + r = INLINE_SYSCALL_CALL (getcpu, &cpu, NULL, NULL); #endif + return r == -1 ? r : cpu; } diff --git a/sysdeps/unix/sysv/linux/sysdep-vdso.h b/sysdeps/unix/sysv/linux/sysdep-vdso.h index 3af56cd3b4..f0cc384d78 100644 --- a/sysdeps/unix/sysv/linux/sysdep-vdso.h +++ b/sysdeps/unix/sysv/linux/sysdep-vdso.h @@ -20,17 +20,14 @@ # define SYSDEP_VDSO_LINUX_H #include <dl-vdso.h> +#include <libc-vdso.h> #ifndef INTERNAL_VSYSCALL_CALL # define INTERNAL_VSYSCALL_CALL(funcptr, err, nr, args...) \ funcptr (args) #endif -#ifdef HAVE_VSYSCALL - -# include <libc-vdso.h> - -# define INLINE_VSYSCALL(name, nr, args...) \ +#define INLINE_VSYSCALL(name, nr, args...) \ ({ \ __label__ out; \ __label__ iserr; \ @@ -59,31 +56,4 @@ sc_ret; \ }) -# define INTERNAL_VSYSCALL(name, err, nr, args...) \ - ({ \ - __label__ out; \ - long v_ret; \ - \ - __typeof (__vdso_##name) vdsop = __vdso_##name; \ - PTR_DEMANGLE (vdsop); \ - if (vdsop != NULL) \ - { \ - v_ret = INTERNAL_VSYSCALL_CALL (vdsop, err, nr, ##args); \ - if (!INTERNAL_SYSCALL_ERROR_P (v_ret, err) \ - || INTERNAL_SYSCALL_ERRNO (v_ret, err) != ENOSYS) \ - goto out; \ - } \ - v_ret = INTERNAL_SYSCALL (name, err, nr, ##args); \ - out: \ - v_ret; \ - }) -#else - -# define INLINE_VSYSCALL(name, nr, args...) \ - INLINE_SYSCALL (name, nr, ##args) -# define INTERNAL_VSYSCALL(name, err, nr, args...) \ - INTERNAL_SYSCALL (name, err, nr, ##args) - -#endif /* USE_VSYSCALL && defined HAVE_VSYSCALL */ - #endif /* SYSDEP_VDSO_LINUX_H */ diff --git a/sysdeps/unix/sysv/linux/x86/gettimeofday.c b/sysdeps/unix/sysv/linux/x86/gettimeofday.c index 7b12219d62..3fb4e8d1c4 100644 --- a/sysdeps/unix/sysv/linux/x86/gettimeofday.c +++ b/sysdeps/unix/sysv/linux/x86/gettimeofday.c @@ -18,10 +18,6 @@ #include <time.h> #include <sysdep.h> - -#ifdef HAVE_GETTIMEOFDAY_VSYSCALL -# define HAVE_VSYSCALL -#endif #include <sysdep-vdso.h> static int diff --git a/sysdeps/unix/sysv/linux/x86/time.c b/sysdeps/unix/sysv/linux/x86/time.c index 0cb70a7816..9074f1e10e 100644 --- a/sysdeps/unix/sysv/linux/x86/time.c +++ b/sysdeps/unix/sysv/linux/x86/time.c @@ -18,16 +18,16 @@ #include <time.h> #include <sysdep.h> - -#ifdef HAVE_TIME_VSYSCALL -# define HAVE_VSYSCALL -#endif #include <sysdep-vdso.h> static time_t time_vsyscall (time_t *t) { +#ifdef HAVE_TIME_VSYSCALL return INLINE_VSYSCALL (time, 1, t); +#else + return INLINE_SYSCALL_CALL (time, t); +#endif } #ifdef SHARED |