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63ff4a6d17
This patch replaces auto generated wrapper (as described in sysdeps/unix/sysv/linux/syscalls.list) for clock_adjtime with one which adds extra support for reading 64 bit time values on machines with __TIMESIZE != 64. To achieve this goal new __clock_adjtime64 explicit 64 bit function for adjusting Linux clock has been added. Moreover, a 32 bit version - __clock_adjtime has been refactored to internally use __clock_adjtime64. The __clock_adjtime is now supposed to be used on systems still supporting 32 bit time (__TIMESIZE != 64) - hence the necessary conversions between 64 bit struct __timespec64 and struct timespec. The new __clock_adjtime64 syscall available from Linux 5.1+ has been used, when applicable. Up till v5.4 in the Linux kernel there was a bug preventing this call from obtaining correct struct's timex time.tv_sec time after time_t overflow (i.e. not being Y2038 safe). Build tests: - ./src/scripts/build-many-glibcs.py glibcs Run-time tests: - Run specific tests on ARM/x86 32bit systems (qemu): https://github.com/lmajewski/meta-y2038 and run tests: https://github.com/lmajewski/y2038-tests/commits/master Linux kernel, headers and minimal kernel version for glibc build test matrix: - Linux v5.1 (with clock_adjtime64) and glibc build with v5.1 as minimal kernel version (--enable-kernel="5.1.0") The __ASSUME_TIME64_SYSCALLS flag defined. - Linux v5.1 and default minimal kernel version The __ASSUME_TIME64_SYSCALLS not defined, but kernel supports clock_adjtime64 syscall. - Linux v4.19 (no clock_adjtime64 support) with default minimal kernel version for contemporary glibc (3.2.0) This kernel doesn't support clock_adjtime64 syscall, so the fallback to clock_adjtime is tested. Above tests were performed with Y2038 redirection applied as well as without (so the __TIMESIZE != 64 execution path is checked as well). No regressions were observed. Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
104 lines
4.4 KiB
Plaintext
104 lines
4.4 KiB
Plaintext
# File name Caller Syscall name Args Strong name Weak names
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alarm - alarm i:i alarm
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bdflush EXTRA bdflush i:ii __compat_bdflush bdflush@GLIBC_2.0:GLIBC_2.23
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capget EXTRA capget i:pp capget
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capset EXTRA capset i:pp capset
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create_module EXTRA create_module 3 __compat_create_module create_module@GLIBC_2.0:GLIBC_2.23
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delete_module EXTRA delete_module 3 delete_module
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epoll_create EXTRA epoll_create i:i epoll_create
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epoll_create1 EXTRA epoll_create1 i:i epoll_create1
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epoll_ctl EXTRA epoll_ctl i:iiip epoll_ctl
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eventfd EXTRA eventfd2 i:ii eventfd
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execve - execve i:spp __execve execve
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flock - flock i:ii __flock flock
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get_kernel_syms EXTRA get_kernel_syms i:p __compat_get_kernel_syms get_kernel_syms@GLIBC_2.0:GLIBC_2.23
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getpid - getpid Ei: __getpid getpid
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getegid - getegid Ei: __getegid getegid
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geteuid - geteuid Ei: __geteuid geteuid
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getpgid - getpgid i:i __getpgid getpgid
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getpgrp - getpgrp Ei: getpgrp
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getppid - getppid Ei: __getppid getppid
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getresuid - getresuid i:ppp getresuid
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getresgid - getresgid i:ppp getresgid
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getsid - getsid i:i getsid
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init_module EXTRA init_module 5 init_module
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inotify_add_watch EXTRA inotify_add_watch i:isi inotify_add_watch
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inotify_init EXTRA inotify_init i: inotify_init
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inotify_init1 EXTRA inotify_init1 i:I inotify_init1
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inotify_rm_watch EXTRA inotify_rm_watch i:ii inotify_rm_watch
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ioperm - ioperm i:UUi ioperm
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iopl - iopl i:i iopl
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klogctl EXTRA syslog i:isi klogctl
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lchown - lchown i:sii __lchown lchown
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mincore - mincore i:aUV mincore
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mlock - mlock i:bU mlock
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mlockall - mlockall i:i mlockall
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mount EXTRA mount i:sssUp __mount mount
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mremap EXTRA mremap b:aUUip __mremap mremap
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munlock - munlock i:aU munlock
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munlockall - munlockall i: munlockall
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nfsservctl EXTRA nfsservctl i:ipp __compat_nfsservctl nfsservctl@GLIBC_2.0:GLIBC_2.28
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pipe - pipe i:f __pipe pipe
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pipe2 - pipe2 i:fi __pipe2 pipe2
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pivot_root EXTRA pivot_root i:ss pivot_root
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query_module EXTRA query_module i:sipip __compat_query_module query_module@GLIBC_2.0:GLIBC_2.23
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quotactl EXTRA quotactl i:isip quotactl
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remap_file_pages - remap_file_pages i:pUiUi __remap_file_pages remap_file_pages
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sched_getp - sched_getparam i:ip __sched_getparam sched_getparam
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sched_gets - sched_getscheduler i:i __sched_getscheduler sched_getscheduler
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sched_primax - sched_get_priority_max i:i __sched_get_priority_max sched_get_priority_max
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sched_primin - sched_get_priority_min i:i __sched_get_priority_min sched_get_priority_min
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sched_setp - sched_setparam i:ip __sched_setparam sched_setparam
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sched_sets - sched_setscheduler i:iip __sched_setscheduler sched_setscheduler
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sched_yield - sched_yield i: __sched_yield sched_yield
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sendfile - sendfile i:iipU sendfile
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sendfile64 - sendfile64 i:iipU sendfile64
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setfsgid EXTRA setfsgid i:i setfsgid
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setfsuid EXTRA setfsuid i:i setfsuid
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setpgid - setpgid i:ii __setpgid setpgid
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sigaltstack - sigaltstack i:PP __sigaltstack sigaltstack
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sysinfo EXTRA sysinfo i:p __sysinfo sysinfo
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swapon - swapon i:si __swapon swapon
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swapoff - swapoff i:s __swapoff swapoff
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unshare EXTRA unshare i:i unshare
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uselib EXTRA uselib i:s __compat_uselib uselib@GLIBC_2.0:GLIBC_2.23
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chown - chown i:sii __libc_chown __chown chown
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fchownat - fchownat i:isiii fchownat
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linkat - linkat i:isisi linkat
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mkdirat - mkdirat i:isi mkdirat
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readlinkat - readlinkat i:issU readlinkat
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symlinkat - symlinkat i:sis symlinkat
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unlinkat - unlinkat i:isi unlinkat
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setxattr - setxattr i:sspUi setxattr
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lsetxattr - lsetxattr i:sspUi lsetxattr
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fsetxattr - fsetxattr i:ispUi fsetxattr
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getxattr - getxattr i:sspU getxattr
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lgetxattr - lgetxattr i:sspU lgetxattr
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fgetxattr - fgetxattr i:ispU fgetxattr
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listxattr - listxattr i:ssU listxattr
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llistxattr - llistxattr i:ssU llistxattr
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flistxattr - flistxattr i:isU flistxattr
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removexattr - removexattr i:ss removexattr
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lremovexattr - lremovexattr i:ss lremovexattr
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fremovexattr - fremovexattr i:is fremovexattr
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mq_setattr - mq_getsetattr i:ipp mq_setattr
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timerfd_create EXTRA timerfd_create i:ii timerfd_create
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fanotify_init EXTRA fanotify_init i:ii fanotify_init
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name_to_handle_at EXTRA name_to_handle_at i:isppi name_to_handle_at
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setns EXTRA setns i:ii setns
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memfd_create EXTRA memfd_create i:si memfd_create
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pkey_alloc EXTRA pkey_alloc i:ii pkey_alloc
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pkey_free EXTRA pkey_free i:i pkey_free
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gettid EXTRA gettid Ei: __gettid gettid
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tgkill EXTRA tgkill i:iii __tgkill tgkill
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