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glibc/sysdeps/unix/sysv/linux/Versions
Adhemerval Zanella 47f24c21ee y2038: Add support for 64-bit time on legacy ABIs
A new build flag, _TIME_BITS, enables the usage of the newer 64-bit
time symbols for legacy ABI (where 32-bit time_t is default).  The 64
bit time support is only enabled if LFS (_FILE_OFFSET_BITS=64) is
also used.

Different than LFS support, the y2038 symbols are added only for the
required ABIs (armhf, csky, hppa, i386, m68k, microblaze, mips32,
mips64-n32, nios2, powerpc32, sparc32, s390-32, and sh).  The ABIs with
64-bit time support are unchanged, both for symbol and types
redirection.

On Linux the full 64-bit time support requires a minimum of kernel
version v5.1.  Otherwise, the 32-bit fallbacks are used and might
results in error with overflow return code (EOVERFLOW).

The i686-gnu does not yet support 64-bit time.

This patch exports following rediretions to support 64-bit time:

  * libc:
    adjtime
    adjtimex
    clock_adjtime
    clock_getres
    clock_gettime
    clock_nanosleep
    clock_settime
    cnd_timedwait
    ctime
    ctime_r
    difftime
    fstat
    fstatat
    futimens
    futimes
    futimesat
    getitimer
    getrusage
    gettimeofday
    gmtime
    gmtime_r
    localtime
    localtime_r
    lstat_time
    lutimes
    mktime
    msgctl
    mtx_timedlock
    nanosleep
    nanosleep
    ntp_gettime
    ntp_gettimex
    ppoll
    pselec
    pselect
    pthread_clockjoin_np
    pthread_cond_clockwait
    pthread_cond_timedwait
    pthread_mutex_clocklock
    pthread_mutex_timedlock
    pthread_rwlock_clockrdlock
    pthread_rwlock_clockwrlock
    pthread_rwlock_timedrdlock
    pthread_rwlock_timedwrlock
    pthread_timedjoin_np
    recvmmsg
    sched_rr_get_interval
    select
    sem_clockwait
    semctl
    semtimedop
    sem_timedwait
    setitimer
    settimeofday
    shmctl
    sigtimedwait
    stat
    thrd_sleep
    time
    timegm
    timerfd_gettime
    timerfd_settime
    timespec_get
    utime
    utimensat
    utimes
    utimes
    wait3
    wait4

  * librt:
    aio_suspend
    mq_timedreceive
    mq_timedsend
    timer_gettime
    timer_settime

  * libanl:
    gai_suspend

Reviewed-by: Lukasz Majewski <lukma@denx.de>
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
Tested-by: Carlos O'Donell <carlos@redhat.com>
2021-06-15 10:42:11 -03:00

304 lines
5.2 KiB
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%include <time64-compat.h>
libc {
GLIBC_2.0 {
# functions used in inline functions or macros
__cmsg_nxthdr;
# functions used in other libraries
__clone;
# helper functions
__errno_location;
# b*
bdflush;
# c*
clone; create_module;
# d*
delete_module;
# g*
get_kernel_syms; getresgid; getresuid;
# i*
init_module;
# k*
klogctl;
# l*
llseek;
# m*
mremap;
# n*
nfsservctl;
# p*
personality; prctl;
# q*
query_module; quotactl;
# s*
setfsgid; setfsuid;
# s*
setresgid; setresuid; swapoff; swapon; sysctl; sysinfo;
# u*
umount; uselib;
_sys_errlist; sys_errlist; _sys_nerr; sys_nerr;
}
GLIBC_2.1 {
# functions used in inline functions or macros
__libc_sa_len;
# Since we have new signals this structure changed.
_sys_siglist; sys_siglist; sys_sigabbrev;
# New errlist.
_sys_errlist; sys_errlist; _sys_nerr; sys_nerr;
# chown interface change.
chown;
# Change in pthread_attr_t.
pthread_attr_init;
# c*
capget; capset;
# n*
ntp_adjtime; ntp_gettime;
# u*
umount2;
_sys_errlist; sys_errlist; _sys_nerr; sys_nerr;
}
GLIBC_2.2 {
# needed in other libraries.
__endmntent; __getmntent_r; __setmntent; __statfs; __sysctl;
# ipc ctl interface change.
semctl; shmctl; msgctl;
# Old symbol versions from libpthread.
__pread64;
__pwrite64;
lseek64;
open64;
pread;
pread64;
pwrite;
pwrite64;
}
GLIBC_2.2.1 {
# p*
pivot_root;
}
GLIBC_2.3 {
# r*
readahead;
_sys_errlist; sys_errlist; _sys_nerr; sys_nerr;
}
GLIBC_2.3.2 {
# New kernel interfaces.
epoll_create; epoll_ctl; epoll_wait;
}
GLIBC_2.3.3 {
_sys_siglist;
gnu_dev_major;
gnu_dev_makedev;
gnu_dev_minor;
posix_fadvise64;
posix_fallocate64;
sys_sigabbrev;
sys_siglist;
}
GLIBC_2.3.4 {
sched_getaffinity; sched_setaffinity;
}
GLIBC_2.4 {
inotify_init; inotify_add_watch; inotify_rm_watch;
unshare;
_sys_errlist; sys_errlist; _sys_nerr; sys_nerr;
}
GLIBC_2.5 {
splice; tee; vmsplice;
}
GLIBC_2.6 {
epoll_pwait; sync_file_range; sched_getcpu;
}
GLIBC_2.7 {
eventfd; eventfd_read; eventfd_write; signalfd;
}
GLIBC_2.8 {
timerfd_create; timerfd_settime; timerfd_gettime;
}
GLIBC_2.9 {
epoll_create1; inotify_init1;
}
GLIBC_2.10 {
fallocate;
}
GLIBC_2.12 {
_sys_errlist; sys_errlist; _sys_nerr; sys_nerr;
ntp_gettimex;
recvmmsg;
}
GLIBC_2.13 {
prlimit; prlimit64;
fanotify_init; fanotify_mark;
}
GLIBC_2.14 {
clock_adjtime;
name_to_handle_at; open_by_handle_at;
setns;
sendmmsg;
}
GLIBC_2.15 {
process_vm_readv; process_vm_writev;
}
GLIBC_2.27 {
memfd_create;
mlock2;
pkey_alloc; pkey_free; pkey_set; pkey_get; pkey_mprotect;
}
GLIBC_2.29 {
getcpu;
}
GLIBC_2.30 {
getdents64; gettid; tgkill;
}
GLIBC_2.32 {
}
GLIBC_2.34 {
%ifdef TIME64_NON_DEFAULT
# 64-bit time_t support
__adjtime64;
___adjtimex64;
__clock_adjtime64;
__clock_getres64;
__clock_gettime64;
__clock_nanosleep_time64;
__clock_settime64;
__cnd_timedwait64;
__ctime64;
__ctime64_r;
__difftime64;
__fstat64_time64;
__fstatat64_time64;
__futimens64;
__futimes64;
__futimesat64;
__getitimer64;
__getrusage64;
__gettimeofday64;
__gmtime64;
__gmtime64_r;
__localtime64;
__localtime64_r;
__lstat64_time64;
__lutimes64;
__mktime64;
__msgctl64;
__mtx_timedlock64;
__nanosleep64;
__nanosleep64;
__ntp_gettime64;
__ntp_gettimex64;
__ppoll64;
__pselec64;
__pselect64;
__pthread_clockjoin_np64;
__pthread_cond_clockwait64;
__pthread_cond_timedwait64;
__pthread_mutex_clocklock64;
__pthread_mutex_timedlock64;
__pthread_rwlock_clockrdlock64;
__pthread_rwlock_clockwrlock64;
__pthread_rwlock_timedrdlock64;
__pthread_rwlock_timedwrlock64;
__pthread_timedjoin_np64;
__recvmmsg64;
__sched_rr_get_interval64;
__select64;
__sem_clockwait64;
__semctl64;
__semtimedop64;
__sem_timedwait64;
__setitimer64;
__settimeofday64;
__shmctl64;
__sigtimedwait64;
__stat64_time64;
__thrd_sleep64;
__time64;
__timegm64;
__timerfd_gettime64;
__timerfd_settime64;
__timespec_get64;
__timespec_getres64;
__utime64;
__utimensat64;
__utimes64;
__utimes64;
__wait3_time64;
__wait4_time64;
%endif
}
GLIBC_PRIVATE {
# functions used in other libraries
__syscall_rt_sigqueueinfo;
__open_nocancel;
__read_nocancel;
__pread64_nocancel;
__close_nocancel;
__sigtimedwait;
# functions used by nscd
__netlink_assert_response;
}
}
ld {
GLIBC_PRIVATE {
__nptl_change_stack_perm;
}
}
librt {
GLIBC_2.34 {
%ifdef TIME64_NON_DEFAULT
# 64-bit time_t support
__aio_suspend_time64;
__mq_timedsend_time64;
__mq_timedreceive_time64;
__timer_gettime64;
__timer_settime64;
%endif
}
}
libanl {
%ifdef TIME64_NON_DEFAULT
GLIBC_2.34 {
__gai_suspend_time64;
}
%endif
}