diff options
Diffstat (limited to 'sysdeps/unix')
| -rw-r--r-- | sysdeps/unix/clock_gettime.c | 56 | ||||
| -rw-r--r-- | sysdeps/unix/syscalls.list | 1 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/aarch64/gettimeofday.c | 34 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/alpha/gettimeofday.c (renamed from sysdeps/unix/sysv/linux/i386/gettimeofday.c) | 25 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/alpha/osf_gettimeofday.c | 11 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/alpha/tv32-compat.h | 6 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/gettimeofday.c | 49 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/powerpc/gettimeofday.c | 69 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/x86/gettimeofday.c | 43 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/x86_64/x32/gettimeofday.c | 1 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/x86_64/x32/syscalls.list | 1 |
11 files changed, 74 insertions, 222 deletions
diff --git a/sysdeps/unix/clock_gettime.c b/sysdeps/unix/clock_gettime.c deleted file mode 100644 index aa74e11703..0000000000 --- a/sysdeps/unix/clock_gettime.c +++ /dev/null @@ -1,56 +0,0 @@ -/* clock_gettime -- Get the current time from a POSIX clockid_t. Unix version. - Copyright (C) 1999-2019 Free Software Foundation, Inc. - This file is part of the GNU C Library. - - The GNU C Library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - The GNU C Library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, see - <https://www.gnu.org/licenses/>. */ - -#include <errno.h> -#include <time.h> -#include <sys/time.h> -#include <shlib-compat.h> - -/* Get current value of CLOCK and store it in TP. */ -int -__clock_gettime (clockid_t clock_id, struct timespec *tp) -{ - int retval = -1; - - switch (clock_id) - { - case CLOCK_REALTIME: - { - struct timeval tv; - retval = __gettimeofday (&tv, NULL); - if (retval == 0) - TIMEVAL_TO_TIMESPEC (&tv, tp); - } - break; - - default: - __set_errno (EINVAL); - break; - } - - return retval; -} -libc_hidden_def (__clock_gettime) - -versioned_symbol (libc, __clock_gettime, clock_gettime, GLIBC_2_17); -/* clock_gettime moved to libc in version 2.17; - old binaries may expect the symbol version it had in librt. */ -#if SHLIB_COMPAT (libc, GLIBC_2_2, GLIBC_2_17) -strong_alias (__clock_gettime, __clock_gettime_2); -compat_symbol (libc, __clock_gettime_2, clock_gettime, GLIBC_2_2); -#endif diff --git a/sysdeps/unix/syscalls.list b/sysdeps/unix/syscalls.list index 5fedd5733d..e28e801c7a 100644 --- a/sysdeps/unix/syscalls.list +++ b/sysdeps/unix/syscalls.list @@ -33,7 +33,6 @@ getrlimit - getrlimit i:ip __getrlimit getrlimit getrusage - getrusage i:ip __getrusage getrusage getsockname - getsockname i:ibN __getsockname getsockname getsockopt - getsockopt i:iiiBN getsockopt -gettimeofday - gettimeofday i:pP __gettimeofday gettimeofday getuid - getuid Ei: __getuid getuid ioctl - ioctl i:iiI __ioctl ioctl kill - kill i:ii __kill kill diff --git a/sysdeps/unix/sysv/linux/aarch64/gettimeofday.c b/sysdeps/unix/sysv/linux/aarch64/gettimeofday.c index 4ff74fa285..075af3d0d3 100644 --- a/sysdeps/unix/sysv/linux/aarch64/gettimeofday.c +++ b/sysdeps/unix/sysv/linux/aarch64/gettimeofday.c @@ -20,39 +20,39 @@ putting it into *tv and *tz. If tz is null, *tz is not filled. Returns 0 on success, -1 on errors. */ -#include <sys/time.h> +#include <time.h> +#include <sysdep.h> -#ifdef SHARED - -# include <dl-vdso.h> -# include <sysdep-vdso.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 and for libc.so internal __gettimeofday calls. */ - static int __gettimeofday_vsyscall (struct timeval *tv, struct timezone *tz) { + if (__glibc_unlikely (tz != 0)) + memset (tz, 0, sizeof *tz); + return INLINE_VSYSCALL (gettimeofday, 2, tv, tz); } +#ifdef SHARED +# include <dl-vdso.h> +# include <sysdep-vdso.h> + # define INIT_ARCH() -libc_ifunc_hidden (__gettimeofday, __gettimeofday, - (get_vdso_symbol (HAVE_GETTIMEOFDAY_VSYSCALL) - ?: __gettimeofday_vsyscall)) -libc_hidden_def (__gettimeofday) +libc_ifunc (__gettimeofday, + (get_vdso_symbol (HAVE_GETTIMEOFDAY_VSYSCALL) + ?: __gettimeofday_vsyscall)) #else - -# include <sysdep.h> int __gettimeofday (struct timeval *tv, struct timezone *tz) { - return INLINE_SYSCALL (gettimeofday, 2, tv, tz); + return __gettimeofday_vsyscall (tv, tz); } -libc_hidden_def (__gettimeofday) - #endif - weak_alias (__gettimeofday, gettimeofday) -libc_hidden_weak (gettimeofday) diff --git a/sysdeps/unix/sysv/linux/i386/gettimeofday.c b/sysdeps/unix/sysv/linux/alpha/gettimeofday.c index f6faecb21e..262a3c2352 100644 --- a/sysdeps/unix/sysv/linux/i386/gettimeofday.c +++ b/sysdeps/unix/sysv/linux/alpha/gettimeofday.c @@ -1,5 +1,5 @@ -/* gettimeofday - get the time. Linux/i386 version. - Copyright (C) 2015-2019 Free Software Foundation, Inc. +/* gettimeofday -- Get the current time of day. Linux/Alpha/tv64 version. + Copyright (C) 2019 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -16,20 +16,7 @@ License along with the GNU C Library; if not, see <https://www.gnu.org/licenses/>. */ -#ifdef SHARED -# define __gettimeofday __redirect___gettimeofday -#endif - -#include <sys/time.h> - -#ifdef SHARED -# undef __gettimeofday -# define __gettimeofday_type __redirect___gettimeofday - -# undef libc_hidden_def -# define libc_hidden_def(name) \ - __hidden_ver1 (__gettimeofday_syscall, __GI___gettimeofday, \ - __gettimeofday_syscall); -#endif - -#include <sysdeps/unix/sysv/linux/x86/gettimeofday.c> +/* We can use the generic implementation, but we have to override its + default symbol version. */ +#define VERSION_gettimeofday GLIBC_2.1 +#include <time/gettimeofday.c> diff --git a/sysdeps/unix/sysv/linux/alpha/osf_gettimeofday.c b/sysdeps/unix/sysv/linux/alpha/osf_gettimeofday.c index 59fc614523..4698c8a5db 100644 --- a/sysdeps/unix/sysv/linux/alpha/osf_gettimeofday.c +++ b/sysdeps/unix/sysv/linux/alpha/osf_gettimeofday.c @@ -20,6 +20,8 @@ #if SHLIB_COMPAT (libc, GLIBC_2_0, GLIBC_2_1) +#include <string.h> +#include <time.h> #include <sys/time.h> #include <tv32-compat.h> @@ -30,10 +32,13 @@ int attribute_compat_text_section __gettimeofday_tv32 (struct timeval32 *restrict tv32, void *restrict tz) { - struct timeval tv; - __gettimeofday (&tv, tz); + if (__glibc_unlikely (tz != 0)) + memset (tz, 0, sizeof (struct timezone)); - *tv32 = valid_timeval64_to_timeval (tv); + struct timespec ts; + __clock_gettime (CLOCK_REALTIME, &ts); + + *tv32 = valid_timespec_to_timeval32 (ts); return 0; } diff --git a/sysdeps/unix/sysv/linux/alpha/tv32-compat.h b/sysdeps/unix/sysv/linux/alpha/tv32-compat.h index 5f86e66e08..0fbf284bb5 100644 --- a/sysdeps/unix/sysv/linux/alpha/tv32-compat.h +++ b/sysdeps/unix/sysv/linux/alpha/tv32-compat.h @@ -89,6 +89,12 @@ valid_timeval32_to_timespec (const struct timeval32 tv) return (struct timespec) { tv.tv_sec, tv.tv_usec * 1000 }; } +static inline struct timeval32 +valid_timespec_to_timeval32 (const struct timespec ts) +{ + return (struct timeval32) { (time_t) ts.tv_sec, ts.tv_nsec / 1000 }; +} + static inline void rusage64_to_rusage32 (struct rusage32 *restrict r32, const struct rusage *restrict r64) diff --git a/sysdeps/unix/sysv/linux/gettimeofday.c b/sysdeps/unix/sysv/linux/gettimeofday.c deleted file mode 100644 index c9597d6405..0000000000 --- a/sysdeps/unix/sysv/linux/gettimeofday.c +++ /dev/null @@ -1,49 +0,0 @@ -/* Copyright (C) 2015-2019 Free Software Foundation, Inc. - - This file is part of the GNU C Library. - - The GNU C Library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public License as - published by the Free Software Foundation; either version 2.1 of the - License, or (at your option) any later version. - - The GNU C Library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, see - <https://www.gnu.org/licenses/>. */ - -#include <errno.h> -#include <sys/time.h> - -#undef __gettimeofday - -#ifdef HAVE_GETTIMEOFDAY_VSYSCALL -# define HAVE_VSYSCALL -#endif -#include <sysdep-vdso.h> - -/* Get the current time of day and timezone information, - putting it into *tv and *tz. If tz is null, *tz is not filled. - Returns 0 on success, -1 on errors. */ -int -___gettimeofday (struct timeval *tv, struct timezone *tz) -{ - return INLINE_VSYSCALL (gettimeofday, 2, tv, tz); -} - -#ifdef VERSION_gettimeofday -weak_alias (___gettimeofday, __wgettimeofday); -default_symbol_version (___gettimeofday, __gettimeofday, VERSION_gettimeofday); -default_symbol_version (__wgettimeofday, gettimeofday, VERSION_gettimeofday); -libc_hidden_ver (___gettimeofday, __gettimeofday); -libc_hidden_ver (___gettimeofday, gettimeofday); -#else -strong_alias (___gettimeofday, __gettimeofday) -weak_alias (___gettimeofday, gettimeofday) -libc_hidden_def (__gettimeofday) -libc_hidden_weak (gettimeofday) -#endif diff --git a/sysdeps/unix/sysv/linux/powerpc/gettimeofday.c b/sysdeps/unix/sysv/linux/powerpc/gettimeofday.c index 13a1fd292a..02486dee3a 100644 --- a/sysdeps/unix/sysv/linux/powerpc/gettimeofday.c +++ b/sysdeps/unix/sysv/linux/powerpc/gettimeofday.c @@ -15,71 +15,40 @@ License along with the GNU C Library; if not, see <https://www.gnu.org/licenses/>. */ -#if defined SHARED && !defined __powerpc64__ -# define __gettimeofday __redirect___gettimeofday -#else -# define __redirect___gettimeofday __gettimeofday -#endif - -#include <sys/time.h> - -#ifdef SHARED - -# include <dl-vdso.h> -# include <libc-vdso.h> -# include <dl-machine.h> -# include <sysdep.h> - -# ifndef __powerpc64__ -# undef __gettimeofday - -int -__gettimeofday_vsyscall (struct timeval *tv, struct timezone *tz) -{ - return INLINE_VSYSCALL (gettimeofday, 2, tv, tz); -} - -/* __GI___gettimeofday is defined as hidden and for ppc32 it enables the - compiler make a local call (symbol@local) for internal GLIBC usage. It - means the PLT won't be used and the ifunc resolver will be called directly. - For ppc64 a call to a function in another translation unit might use a - different toc pointer thus disallowing direct branchess and making internal - ifuncs calls safe. */ -# undef libc_hidden_def -# define libc_hidden_def(name) \ - __hidden_ver1 (__gettimeofday_vsyscall, __GI___gettimeofday, \ - __gettimeofday_vsyscall); +#include <time.h> +#include <sysdep.h> -# endif /* !__powerpc64__ */ +#ifdef HAVE_GETTIMEOFDAY_VSYSCALL +# define HAVE_VSYSCALL +#endif +#include <sysdep-vdso.h> static int __gettimeofday_syscall (struct timeval *tv, struct timezone *tz) { - return INLINE_SYSCALL (gettimeofday, 2, tv, tz); + if (__glibc_unlikely (tz != 0)) + memset (tz, 0, sizeof *tz); + + return INLINE_VSYSCALL (gettimeofday, 2, tv, tz); } +#ifdef SHARED +# include <dl-vdso.h> +# include <libc-vdso.h> + # define INIT_ARCH() \ void *vdso_gettimeofday = get_vdso_symbol (HAVE_GETTIMEOFDAY_VSYSCALL) /* If the vDSO is not available we fall back syscall. */ -libc_ifunc_hidden (__redirect___gettimeofday, __gettimeofday, - vdso_gettimeofday - ? VDSO_IFUNC_RET (vdso_gettimeofday) - : (void *) __gettimeofday_syscall); -libc_hidden_def (__gettimeofday) - +libc_ifunc (__gettimeofday, + vdso_gettimeofday + ? VDSO_IFUNC_RET (vdso_gettimeofday) + : (void *) __gettimeofday_syscall); #else - -# include <sysdep.h> -# include <errno.h> - int __gettimeofday (struct timeval *tv, struct timezone *tz) { - return INLINE_SYSCALL (gettimeofday, 2, tv, tz); + return __gettimeofday_syscall (tv, tz); } -libc_hidden_def (__gettimeofday) - #endif weak_alias (__gettimeofday, gettimeofday) -libc_hidden_weak (gettimeofday) diff --git a/sysdeps/unix/sysv/linux/x86/gettimeofday.c b/sysdeps/unix/sysv/linux/x86/gettimeofday.c index 2d9248ee26..cb20e358d8 100644 --- a/sysdeps/unix/sysv/linux/x86/gettimeofday.c +++ b/sysdeps/unix/sysv/linux/x86/gettimeofday.c @@ -16,47 +16,38 @@ License along with the GNU C Library; if not, see <https://www.gnu.org/licenses/>. */ -#include <sys/time.h> +#include <time.h> +#include <sysdep.h> -#ifdef SHARED - -# include <dl-vdso.h> -# include <errno.h> -# include <sysdep-vdso.h> -# include <sysdep-vdso.h> +#ifdef HAVE_GETTIMEOFDAY_VSYSCALL +# define HAVE_VSYSCALL +#endif +#include <sysdep-vdso.h> static int __gettimeofday_syscall (struct timeval *tv, struct timezone *tz) { - return INLINE_SYSCALL (gettimeofday, 2, tv, tz); + if (__glibc_unlikely (tz != 0)) + memset (tz, 0, sizeof *tz); + + return INLINE_VSYSCALL (gettimeofday, 2, tv, tz); } -# ifndef __gettimeofday_type -/* The i386 gettimeofday.c includes this file with a defined - __gettimeofday_type macro. For x86_64 we have to define it to __gettimeofday - as the internal symbol is the ifunc'ed one. */ -# define __gettimeofday_type __gettimeofday -# endif +#ifdef SHARED +# include <dl-vdso.h> +# include <libc-vdso.h> # define INIT_ARCH() /* If the vDSO is not available we fall back to syscall. */ -libc_ifunc_hidden (__gettimeofday_type, __gettimeofday, - (get_vdso_symbol ("__vdso_gettimeofday") - ?: __gettimeofday_syscall)); -libc_hidden_def (__gettimeofday) +libc_ifunc (__gettimeofday, + (get_vdso_symbol (HAVE_GETTIMEOFDAY_VSYSCALL) + ?: __gettimeofday_syscall)); #else - -# include <sysdep.h> -# include <errno.h> - int __gettimeofday (struct timeval *tv, struct timezone *tz) { - return INLINE_SYSCALL (gettimeofday, 2, tv, tz); + return __gettimeofday_syscall (tv, tz); } -libc_hidden_def (__gettimeofday) - #endif weak_alias (__gettimeofday, gettimeofday) -libc_hidden_weak (gettimeofday) diff --git a/sysdeps/unix/sysv/linux/x86_64/x32/gettimeofday.c b/sysdeps/unix/sysv/linux/x86_64/x32/gettimeofday.c new file mode 100644 index 0000000000..cd342f33ad --- /dev/null +++ b/sysdeps/unix/sysv/linux/x86_64/x32/gettimeofday.c @@ -0,0 +1 @@ +#include <sysdeps/unix/sysv/linux/x86/gettimeofday.c> diff --git a/sysdeps/unix/sysv/linux/x86_64/x32/syscalls.list b/sysdeps/unix/sysv/linux/x86_64/x32/syscalls.list index b44f6f99e9..786c884232 100644 --- a/sysdeps/unix/sysv/linux/x86_64/x32/syscalls.list +++ b/sysdeps/unix/sysv/linux/x86_64/x32/syscalls.list @@ -1,6 +1,5 @@ # File name Caller Syscall name # args Strong name Weak names -gettimeofday - gettimeofday:__vdso_gettimeofday@LINUX_2.6 i:pP __gettimeofday gettimeofday personality EXTRA personality Ei:i __personality personality posix_fadvise64 - fadvise64 Vi:iiii posix_fadvise posix_fadvise64 time - time:__vdso_time@LINUX_2.6 Ei:P time |