Noteworthy changes in strace 5.1 (2019-05-22)

=============================================

* Bug fixes
  * Fixed decoding of last two arguments of clone syscall on riscv.

* Improvements
  * Added C-SKY architecture support.
  * Implemented decoding of SO_TIMESTAMP*_NEW control messages.
  * Implemented decoding of clock_gettime64, clock_settime64, clock_adjtime64,
    clock_getres_time64, clock_nanosleep_time64, timer_gettime64,
    timer_settime64, timerfd_gettime64, timerfd_settime64, utimensat_time64,
    pselect6_time64, ppoll_time64, io_pgetevents_time64, recvmmsg_time64,
    mq_timedsend_time64, mq_timedreceive_time64, semtimedop_time64,
    rt_sigtimedwait_time64, futex_time64, sched_rr_get_interval_time64,
    pidfd_send_signal, io_uring_setup, io_uring_enter, and io_uring_register
    syscalls.
  * Enhanced decoding of bpf syscall.
  * Wired up getegid, geteuid, getppid, io_pgetevents, statfs64, and fstatfs64
    syscalls on alpha.
  * Wired up kexec_file_load and migrate_pages syscalls on arm.
  * Wired up io_pgetevents, perf_event_open, seccomp, and statx syscalls
    on ia64.
  * Wired up seccomp syscall on m68k.
  * Wired up statx syscall on sh.
  * Wired up pkey_mprotect, pkey_alloc, and pkey_free syscalls on alpha, hppa,
    ia64, m68k, s390, s390x, sh, sparc, and sparc64.
  * Wired up rseq syscall on alpha, hppa, ia64, m68k, sh, sparc, sparc64,
    and xtensa.
  * Wired up direct ipc syscalls on m68k, mips o32, powerpc, powerpc64,
    s390, s390x, sh, sparc, sparc64, and x86.
  * Updated lists of BPF_*, FAN_*, F_SEAL_*, IPV6_*, NT_*, PR_SPEC_*, SO_*,
    and V4L2_* constants.
  * Updated lists of ioctl commands from Linux 5.1.

Contributors
============

This release was made possible by the contributions of many people.
The maintainers are grateful to everyone who has contributed
changes or bug reports.  These include:

* Dmitry V. Levin
* Eugene Syromyatnikov
* Gleb Fotengauer-Malinovskiy
* Guo Ren

Please refer to the CREDITS file for the full list of strace contributors.
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