tests: rewrite getdents test in C for better coverage

* tests/getdents.awk: Remove.
* tests/getdents.out: Remove.
* tests/getdents.c: New file.
* tests/getdents.test: Rewrite.
* tests/getdents64.c: New file.
* tests/getdents64.test: New test.
* tests/Makefile.am (check_PROGRAMS): Add getdents and getdents64.
(TESTS): Add getdents64.test.
(EXTRA_DIST): Remove getdents.awk and getdents.out.
* tests/.gitignore: Add getdents and getdents64.

tests: add readdir.test

* tests/readdir.c: New file.
* tests/readdir.test: New test.
* tests/Makefile.am (check_PROGRAMS): Add readdir.
(TESTS): Add readdir.test.
* tests/.gitignore: Add readdir.

Mpersify parsers of readdir and getdents syscalls

* defs.h (dirent_types): New xlat prototype.
* dirent.c: Stop including "xlat/direnttypes.h".
(kernel_dirent): New typedef.  Mpersify it.
(print_old_dirent): Use it instead of old_dirent_t.
(SYS_FUNC(getdents)): Use it instead of struct kernel_dirent.
Rename direnttypes to dirent_types.
(SYS_FUNC(getdents64)): Move ...
* dirent64.c: ... here.  Rename direnttypes to dirent_types.
Include "xlat/dirent_types.h".
* Makefile.am (strace_SOURCES): Add dirent64.c.
* xlat/direnttypes.in: Rename to xlat/dirent_types.in.

getdents: fix typos in array output

Array should be enclosed by square brakets, and elements should be
separated by commas.

* dirent.c (SYS_FUNC(getdents), SYS_FUNC(getdents64)): Fix typos
in array output.
* tests/getdents.awk: Update regexps to match fixed output.
* tests/getdents.out: Update output.

Signed-off-by: Gabriel Laskar <gabriel@lse.epita.fr>

printcmsghdr: move type and data decoders to a separate function

* net.c (print_scm_rights, print_scm_creds, print_scm_security): Change
to return void.  Move printing of struct cmsghdr closing '}' ...
(printcmsghdr): ... here.  Move type and data decoders to ...
(print_cmsg_type_data): ... new function.

Assume that libc provides sendmsg

Starting with commit v4.6-281-g7af9f35, we implicitly assume that
HAVE_SENDMSG is always defined.  Therefore, the check for sendmsg
availability is redundant and could be safely removed.

* configure.ac (AC_CHECK_FUNCS): Remove sendmsg.
* linux/dummy.h [!HAVE_SENDMSG] (sys_recvmsg, sys_sendmsg): Remove
stub aliases.
* net.c [HAVE_SENDMSG]: Define unconditionally.
* syscall.c (dumpio) [HAVE_SENDMSG]: Likewise.

net.c: move fallback definition of SCM_SECURITY to xlat/

* net.c: Move fallback definition of SCM_SECURITY ...
* xlat/scmvals.in: ... here.

Implement mlock2 syscall decoding

* mem.c: Include "xlat/mlock_flags.h".
(SYS_FUNC(mlock2)): New function.
* xlat/mlock_flags.in: New file.
* xlat/mlockall_flags.in: Add MCL_ONFAULT, add default values.
* linux/dummy.h (mlock2): Remove.
* tests/mlock2.c: New file.
* tests/mlock2.test: New test.
* tests/Makefile.am (check_PROGRAMS): Add mlock2.
(TESTS): Add mlock2.test.
* tests/.gitignore Add mlock2.

Implement membarrier syscall decoding

* membarrier.c: New file.
* Makefile.am (strace_SOURCES): Add it.
* xlat/membarrier_cmds.in: New file.
* linux/dummy.h (membarrier): Remove.
* tests/membarrier.c: New file.
* tests/membarrier.test: New test.
* tests/Makefile.am (check_PROGRAMS): Add membarrier.
(TESTS): Add membarrier.test.
* tests/.gitignore: Add membarrier.

Implement userfaultfd syscall decoding

* userfaultfd.c: New file.
* Makefile.am (strace_SOURCES): Add it.
* xlat/uffd_flags.in: New file.
* linux/dummy.h (userfaultfd): Remove.
* tests/userfaultfd.c: New file.
* tests/userfaultfd.test: New test.
* tests/Makefile.am (check_PROGRAMS): Add userfaultfd.
(TESTS): Add userfaultfd.test.
* tests/.gitignore: Add userfaultfd.

ia64: wire up kcmp syscall

ia64 has kcmp syscall starting with linux kernel commit
v4.3-rc7-1-gd305c47.

* linux/ia64/syscallent.h (kcmp): New entry.

powerpc: wire up direct sysv ipc syscalls

Starting with linux commit v4.3-rc3-33-ga342361, powerpc has
direct sysv ipc syscalls in addition to traditional ipc syscall.

* linux/powerpc/syscallent.h (semop, semget, semctl, semtimedop, msgsnd,
msgrcv, msgget, msgctl, shmat, shmdt, shmget, shmctl): New entries.

Wire up userfaultfd, membarrier, and mlock2 syscalls

* linux/dummy.h (membarrier, mlock2, userfaultfd): New stub aliases.
* linux/32/syscallent.h (userfaultfd, membarrier, mlock2): New entries.
* linux/64/syscallent.h (userfaultfd, membarrier, mlock2): Likewise.
* linux/arm/syscallent.h (userfaultfd, membarrier, mlock2): Likewise.
* linux/hppa/syscallent.h (userfaultfd, membarrier, mlock2): Likewise.
* linux/i386/syscallent.h (userfaultfd, membarrier, mlock2): Likewise.
* linux/ia64/syscallent.h (userfaultfd, membarrier): Likewise.
* linux/m68k/syscallent.h (userfaultfd, membarrier, mlock2): Likewise.
* linux/microblaze/syscallent.h (userfaultfd, membarrier, mlock2): Likewise.
* linux/mips/syscallent-n32.h (userfaultfd, membarrier, mlock2): Likewise.
* linux/mips/syscallent-n64.h (userfaultfd, membarrier, mlock2): Likewise.
* linux/mips/syscallent-o32.h (userfaultfd, membarrier, mlock2): Likewise.
* linux/powerpc/syscallent.h (userfaultfd, membarrier): Likewise.
* linux/s390/syscallent.h (userfaultfd, membarrier, mlock2): Likewise.
* linux/s390x/syscallent.h (userfaultfd, membarrier, mlock2): Likewise.
* linux/sparc/syscallent.h (membarrier, userfaultfd, mlock2): Likewise.
* linux/x32/syscallent.h (userfaultfd, membarrier, mlock2): Likewise.
* linux/x86_64/syscallent.h (userfaultfd, membarrier, mlock2): Likewise.

sprintflags: skip zero flags

Tweak sprintflags behaviour to match printflags.

* util.c (sprintflags): Skip zero flags unless the value passed
to sprintflags is also zero.

printflags: handle empty xlats

If the set of headers are unable to produce a valid list, printflags
will try to pass NULL to tprints which crashes.  Add a sanity check
for this edge case.

* util.c (printflags): Check xlat->str is not NULL.

mpers: forward mpers_DEFS to mpers.sh

mpers_DEFS has to be forwarded to mpers.sh so that config.h would be
properly included by defs.h at preprocessor stage.

* Makefile.am (mpers-m%.stamp): Add the whole $(mpers_sh_opts) set of
options to mpers.sh's CPPFLAGS.

tests/ioctl: workaround glibc ioctl wrapper on powerpc

* tests/ioctl.c (main) [POWERPC] Disable TCGETS test.

powerpc: wire up switch_endian syscall

powerpc has switch_endian syscall starting with linux commit
v4.0-rc4-67-g529d235.

* linux/powerpc/syscallent.h (switch_endian): New entry.

sparc: reserve more space for new syscalls

Move socket subcalls further down the table to make room
for new syscalls.

* linux/sparc/syscallent.h (SYS_socket_subcall): Raise from 353 to 400.

m68k: wire up direct socket syscalls

Starting with linux commit v4.3-rc3-1-g5b3f33e, m68k has direct
socket syscalls in addition to traditional socketcall syscall.

* linux/m68k/syscallent.h (socket, socketpair, bind, connect, listen,
accept4, getsockopt, setsockopt, getsockname, getpeername, sendto,
sendmsg, recvfrom, recvmsg, shutdown, recvmmsg, sendmmsg): New entries.

i386: wire up direct socket syscalls

Starting with linux commit v4.2-rc1-64-g9dea5dc, x86 has direct
socket syscalls in addition to traditional socketcall syscall.

* linux/i386/syscallent.h (socket, socketpair, bind, connect, listen,
accept4, getsockopt, setsockopt, getsockname, getpeername, sendto,
sendmsg, recvfrom, recvmsg, shutdown): New entries.

s390, s390x: update syscall tables

* linux/s390/syscallent.h: Add new syscalls available with kernel 4.3.0.
* linux/s390x/syscallent.h: Likewise.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>

Fix *_printer_defs.h rules ambiguousness

There is an ambiguousness in *_printer_defs.h rules definition:

$ grep '^[^ ]*_defs\.h: ' Makefile.am
m%_defs.h: $(srcdir_mpers_source_files)
%_printer_defs.h: $(srcdir_mpers_source_files)

While it appears to work with GNU make, it has to be fixed nevertheless.

* Makefile.am (m%_defs.h): Rename to m%_type_defs.h.
(mpers_m32_targets): Rename m32_defs.h to m32_type_defs.h.
(mpers_mx32_targets): Rename mx32_defs.h to mx32_type_defs.h.
* mpers_type.h: Rename m32_defs.h to m32_type_defs.h,
mx32_defs.h to mx32_type_defs.h.
* .gitignore: Likewise.

Reported-by: Elliott Hughes <enh@google.com>

fcntl.c: make use of RVAL_DECODED

* fcntl.c (SYS_FUNC(fcntl)): Return RVAL_DECODED for write-only operations.

desc.c: move parser of fcntl syscall to a separate file

* fcntl.c: New file.
* Makefile.am (strace_SOURCES): Add it.
* desc.c (printflock64, printflock, SYS_FUNC(fcntl)): Move to fcntl.c.

desc.c: move parser of flock syscall to a separate file

* flock.c: New file.
* Makefile.am (strace_SOURCES): Add it.
* desc.c (SYS_FUNC(flock)): Move to flock.c.

tests: fix false uio.test failures

* tests/uio.c (main): Use descriptor number 0 in pread/pwrite
and preadv/pwritev syscalls.
* tests/uio.expected: Update regexps.

Reported-by: Lennart Sorensen <lsorense@csclub.uwaterloo.ca>

Fix make -j builds

In files generated by mpers scripts, includes directives are taken from
original files where the type definition was done.  This causes to
include defs.h in multiple files.  defs.h includes printers.h header,
which is a generated header.

This patch add an explicit dependency to printers.h for the mpers
scripts.

* Makefile.am (mpers-m%.stamp): Add printers.h to order-only
prerequisites.

Signed-off-by: Gabriel Laskar <gabriel@lse.epita.fr>
Signed-off-by: Dmitry V. Levin <ldv@altlinux.org>

mpers: fix shell code to conform better to POSIX

The `echo -n` behavior is non-portable, so use printf instead.

* generate_mpers_am.sh: Change `echo -n` to `printf`.

ioctl: fix ioctl command number decoding in case of conflicts

When a command number was decoded through ioctl_decode_command_number(),
there was no check for conflicts with other potential ioctls numbers.

For example:
ioctl(fd, MCE_GET_RECORD_LEN, &i);
output:
ioctl(3, MIXER_READ(1), 0x7ffddce74a58) = 0
instead of:
ioctl(3, MIXER_READ(1) or MCE_GET_RECORD_LEN, 0x7ffee435ce08) = 0

* ioctl.c (SYS_FUNC(ioctl)): Fix ioctl command number decoding
in case of conflicts.
* tests/ioctl.c (main): Add a case for command number conflicts.

Signed-off-by: Gabriel Laskar <gabriel@lse.epita.fr>
Signed-off-by: Dmitry V. Levin <ldv@altlinux.org>

tests: convert ioctl.test from match_grep to match_diff

* tests/ioctl.c (main): Print expected output.
* tests/ioctl.test: Use match_diff instead of match_grep.
* tests/ioctl.expected: Remove.
* tests/Makefile.am (EXTRA_DIST): Remove ioctl.expected.

Convert parser of seccomp filter program to new mpers infrastructure

* seccomp_fprog.h: New file.
* fetch_seccomp_fprog.c: New file.
* Makefile.am (strace_SOURCES): Add them.
* seccomp.c: Include "seccomp_fprog.h".
(print_seccomp_filter): Use fetch_seccomp_fprog.

tests/init.sh: enhance match_grep error diagnostics

* tests/init.sh (match_grep): Check patterns one by one,
output only those patterns that didn't match.

tests/init.sh: fix comment

* tests/init.sh (match_awk): Fix usage description.

tests: add one more case to select.test

* tests/select.c (main): Check how timeout is printed
on exiting syscall.

tests: uncouple pselect6 from select.test

* tests/select.c Do not include <string.h>.
Include <sys/syscall.h>.
[!__NR_select]: Skip the test.
(main): Remove pselect6 support, test just select syscall.
* tests/select.test: Remove all pselect6 checks, test just
select syscall.

tests: robustify select test

* tests/select.c: Do not include <assert.h>.
(main): Skip the test instead of assertions.
Add some padding to the timeval structure.

tests: add one more case to pselect6.test

* tests/pselect6.c (main): Check how timeout is printed
on exiting syscall.

tests: robustify pselect6 test

* tests/pselect6.c: Do not include <assert.h> and <string.h>.
Include <sys/syscall.h>.
[!__NR_pselect6]: Skip the test.
(main): Skip the test instead of assertions.
Add some padding to the timespec structure.

Convert another parser of struct timeval to new mpers infrastructure

* print_time.c (sprint_timeval): New mpers printer.
[ALPHA] (sprint_timeval32): New function.
* defs.h [ALPHA] (sprint_timeval32): New prototype.
(bitness_t, TIMEVAL_TEXT_BUFSIZE, printtv_bitness, sprinttv): Remove.
* desc.c (decode_select): Replace bitness parameter with two printers.
Use them instead of printtv_bitness and sprinttv.
(sys_oldselect, sys_select): Pass print_timeval and sprint_timeval
to decode_select.
[ALPHA] (sys_osf_select): Pass print_timeval32 and sprint_timeval32
to decode_select.
(pselect6): Pass print_timespec and sprint_timespec to decode_select.
* time.c (UTIME_NOW, UTIME_OMIT, current_time_t_is_compat,
struct timeval32, printtv_bitness, do_sprinttv, sprinttv): Remove.

Convert another parser of struct timespec to new mpers infrastructure

* print_time.c (sprint_timespec): New mpers printer.
* defs.h (TIMESPEC_TEXT_BUFSIZE): Update.
(sprint_timespec): Remove.
* time.c (sprint_timespec): Remove.
* net.c (sys_recvmmsg): Update callers.
* poll.c (decode_poll_exiting): Likewise.

tests: add another case to pselect6 test

* tests/pselect6.c: Include <sys/time.h>.
(handler): New function.
(main): Install an interval timer.
Use it to check how ERESTARTNOHAND is printed.

Fix decoding of gettimeofday and settimeofday

* time.c (print_timezone): new function.
(sys_gettimeofday, sys_settimeofday): Use it instead of print_timeval
to print struct timezone.
[ALPHA] (sys_osf_gettimeofday, sys_osf_settimeofday): Use it
instead of print_timeval32 to print struct timezone.
* tests/xettimeofday.c: New file.
* tests/xettimeofday.test: New test.
* tests/Makefile.am (check_PROGRAMS): Add xettimeofday.
(TESTS): Add xettimeofday.
* tests/.gitignore: Add xettimeofday.

Convert parser of struct timeval to new mpers infrastructure

* defs.h (printtv, printtv_special): Remove.
[ALPHA] (print_timeval32, print_timeval32_pair): New prototypes.
* print_time.c (print_timeval): New mpers printer.
[ALPHA] (print_timeval32, print_timeval32_pair): New functions.
* time.c (sys_gettimeofday, sys_settimeofday): Use print_timeval
instead of printtv.
[ALPHA] (sys_osf_gettimeofday, sys_osf_settimeofday):
Use print_timeval32 instead of printtv_bitness.
* utimes.c [ALPHA] (sys_osf_utimes): Use print_timeval32_pair
instead of printtv_bitness.

Convert parser of struct timespec to new mpers infrastructure

* defs.h (print_timespec): Remove.
* print_time.c (print_timespec): New mpers printer.
* futex.c (sys_futex): Use print_timespec instead of printtv.
* ipc_sem.c (sys_semtimedop): Likewise.
* mq.c (sys_mq_timedsend, sys_mq_timedreceive): Likewise.
* time.c (clock_settime, clock_gettime, clock_nanosleep): Likewise.
(print_timespec): Remove.

Remove unused parser of adjtime syscall

* time.c (sys_adjtime): Remove.

Fix decoding of clock_nanosleep

* time.c (sys_clock_nanosleep): Use is_erestart,
temporarily_clear_syserror, and restore_cleared_syserror.
* tests/clock_nanosleep.c: New file.
* tests/clock_nanosleep.test: New test.
* tests/Makefile.am (check_PROGRAMS): Add clock_nanosleep.
(TESTS): Add clock_nanosleep.test.
* tests/.gitignore: Add clock_nanosleep.

Add is_erestart helper function

* defs.h (is_erestart): New prototype.
* syscall.c (is_erestart): New function.
* time.c (sys_nanosleep): Use is_erestart,
temporarily_clear_syserror, and restore_cleared_syserror.

Add helper functions to clear/restore syserror

* defs.h (temporarily_clear_syserror, restore_cleared_syserror):
New prototypes.
* syscall.c (saved_u_error): New variable.
(temporarily_clear_syserror, restore_cleared_syserror): New functions.
* aio.c (sys_io_getevents): Use temporarily_clear_syserror
and restore_cleared_syserror.
* mq.c (sys_mq_timedreceive): Likewise.
* signal.c (sys_rt_sigtimedwait): Likewise.

tests: add nanosleep.test

* tests/nanosleep.c: New file.
* tests/nanosleep.test: New test.
* tests/Makefile.am (check_PROGRAMS): Add nanosleep.
(TESTS): Add nanosleep.test.
* tests/.gitignore: Add nanosleep.

tests: rewrite restart_syscall in C

* tests/restart_syscall.c: New file.
* tests/restart_syscall.expected: Remove.
* tests/restart_syscall_unknown.expected: Remove.
* tests/restart_syscall.test: Update to use restart_syscall.
* tests/Makefile.am (check_PROGRAMS): Add restart_syscall.
(EXTRA_DIST): Remove restart_syscall.expected
and restart_syscall_unknown.expected.
* tests/.gitignore: Add restart_syscall.

Properly initialize siginfo_t object passed to print_stopped function

* strace.c (trace): Clear the whole siginfo_t variable before passing it
to ptrace(PTRACE_GETSIGINFO) because the latter may initialize only a
part of the structure.

tests: add clock_xettime.test

* tests/clock_xettime.c: New file.
* tests/clock_xettime.test: New test.
* tests/Makefile.am (check_PROGRAMS): Add clock_xettime.
(TESTS): Add clock_xettime.test.
* tests/.gitignore: Add clock_xettime.

Convert parser of struct itimerval to new mpers infrastructure

* defs.h [ALPHA] (print_itimerval32): New prototype.
* print_time.c (print_itimerval): New mpers printer.
[ALPHA] (timeval32_t): New typedef.
[ALPHA] (print_timeval32_t, print_itimerval32): New functions.
* time.c (sys_getitimer, sys_setitimer): Use print_itimerval instead
of printitv.
[ALPHA] (sys_osf_getitimer, sys_osf_setitimer): Use print_itimerval32
instead of printitv_bitness.
(tprint_timeval32, tprint_timeval, printitv_bitness, printitv): Remove.

tests: add xetitimer.test

* tests/xetitimer.c: New file.
* tests/xetitimer.test: New test.
* tests/Makefile.am (check_PROGRAMS): Add xetitimer.
(TESTS): Add xetitimer.test.
* tests/.gitignore: Add xetitimer.

Convert parser of struct itimerspec to new mpers infrastructure

* print_time.c (print_itimerspec): New mpers printer.
* time.c (sys_timer_settime, sys_timer_gettime, sys_timerfd,
sys_timerfd_settime, sys_timerfd_gettime): Use it instead of printitv.

print_time.c: introduce print_timespec_t helper

* print_time.c (time_fmt): New constant string.
(print_timeval_t): Use it.
(print_timespec_t): New function.
(print_timespec_t_utime): Use it.

tests: add timerfd_xettime.test

* tests/timerfd_xettime.c: New file.
* tests/timerfd_xettime.test: New test.
* tests/Makefile.am (check_PROGRAMS): Add timerfd_xettime.
(TESTS): Add timerfd_xettime.test.
* tests/.gitignore: Add timerfd_xettime.

tests: add timer_xettime.test

* tests/timer_xettime.c: New file.
* tests/timer_xettime.test: New test.
* tests/Makefile.am (check_PROGRAMS): Add timer_xettime.
(TESTS): Add timer_xettime.test.
* tests/.gitignore: Add timer_xettime.

time.c: move parser of time syscall to print_time.c

* time.c (current_time_t_is_int32): Remove.
(sys_time): Move ...
* print_time.c: ... here.  Mpersify time_t.

print_time.c: remove unused function parameters

* print_time.c (print_timespec_t_utime, print_timeval_t): Remove
"struct tcb *" parameter.
(print_timespec_utime_pair, print_timeval_pair): Update callers.

Add struct timex.tai support

* configure.ac (AC_CHECK_MEMBERS): Add struct timex.tai.
* print_timex.c (print_timex) [HAVE_STRUCT_TIMEX_TAI]: Print tai field.
* tests/adjtimex.c (main) [HAVE_STRUCT_TIMEX_TAI]: Likewise.

Convert parser of struct timex to new mpers infrastructure

* defs.h (adjtimex_modes, adjtimex_status): New xlat prototypes.
* print_timex.c (struct_timex): New typedef.  Mpersify it.
[IN_MPERS]: Do not include "xlat/adjtimex_modes.h"
and "xlat/adjtimex_status.h".
[SUPPORTED_PERSONALITIES > 1]: Remove.
(tprint_timeval): Remove.
(tprint_timex): Rename to print_timex.  Mpersify it.
* time.c (do_adjtimex): Rename tprint_timex to print_timex.
* tests/adjtimex.c: New file.
* tests/adjtimex.test: New test.
* tests/Makefile.am (check_PROGRAMS): Add adjtimex.
(TESTS): Add adjtimex.test.
* tests/.gitignore: Add adjtimex.

Move parser of struct timex to a separate file

* print_timex.c: New file.
* Makefile.am (strace_SOURCES): Add it.
* time.c (tprint_timex32, tprint_timex): Move to print_timex.c.

Enhance parser of struct sigevent

* print_sigevent.c (print_sigevent): Always print names
of struct_sigevent fields along with their values.
Print signal name of sigev_signo for those sigev_notify values
that require valid signal numbers.
* tests/timer_create.c: New file.
* tests/timer_create.test: New test.
* tests/Makefile.am (check_PROGRAMS): Add timer_create.
(TESTS): Add timer_create.test.
* tests/.gitignore: Add timer_create.

Convert parser of struct sigevent to new mpers infrastructure

* defs.h (sigev_value): New prototype.
(printsigevent): Remove.
* print_sigevent.c (struct_sigevent): New typedef.  Mpersify it.
[IN_MPERS]: Do not include "xlat/sigev_value.h".
(printsigevent32): Remove.
(printsigevent): Rename to print_sigevent.  Mpersify it.
* mq.c (sys_mq_notify): Rename printsigevent to print_sigevent.
* time.c (sys_timer_create): Likewise.

Move parser of struct sigevent to a separate file

* print_sigevent.c: New file.
* Makefile.am (strace_SOURCES): Add it.
* time.c (printsigevent32, printsigevent): Move to print_sigevent.c.

time.c: move fallback definitions of SIGEV_* values to xlat/

* time.c: Move fallback definitions of SIGEV_* values ...
* xlat/sigev_value.in: ... here.

Simplify use of mpers printers

* native_defs.h: New file.
* syscall.c: Include it.
* mpers_type.h [!IN_MPERS] (MPERS_DEFS): Change to "native_defs.h".
* defs.h (MPERS_PRINTER_NAME): Remove.
[SUPPORTED_PERSONALITIES > 1] (MPERS_PRINTER_NAME, printers): Move ...
* Makefile.am (printers.h): ... here.
Add macro definitions for mpers printers.
(m%_defs.h): Add redefinition of MPERS_PRINTER_NAME and inclusion
of "$(mpers_PREFIX)printer_decls.h".
(strace_SOURCES): Add native_defs.h.
* README-mpers: Update instructions for using mpers printers.
* ipc_msg.c (tprint_msgsnd, tprint_msgrcv): Call tprint_msgbuf directly.
* mq.c (sys_mq_open, mq_getsetattr): Call printmqattr directly.
* process.c (sys_ptrace): Call printsiginfo_at directly.
* signal.c (print_sigqueueinfo, sys_rt_sigtimedwait): Likewise.
* resource.c (sys_getrusage): Call printrusage directly.
* utimes.c (sys_utimensat): Call print_timespec_utime_pair directly.
(sys_utimes, sys_futimesat): Call print_timeval_pair directly.
* wait.c (printwaitn): Call printrusage directly.
(sys_waitid): Call printrusage and printsiginfo_at directly.

Add a new helper function umove_ulong_array_or_printaddr

* defs.h (umove_ulong_array_or_printaddr): New prototype.
* util.c (umove_ulong_array_or_printaddr): New function.
* desc.c (sys_pselect6): Use it instead of open-coding
a proxy struct parser for different personalities.
* io.c (tprint_iov_upto): Use it instead of open-coding
a struct iovec parser for different personalities.
* kexec.c (print_kexec_segments): Use it instead of open-coding
a struct kexec_segment parser for different personalities.
(print_seg): Pass arguments using an array.

tests: add pselect6.test

* tests/pselect6.c: New file.
* tests/pselect6.test: New test.
* tests/Makefile.am (check_PROGRAMS): Add pselect6.
(TESTS): Add pselect6.test.
* tests/.gitignore: Add pselect6.

Rename umove_long_or_printaddr to umove_ulong_or_printaddr

Rename the recently added function to reflect what kind of data type
it actually deals with: unsigned long int, without sign extension.

* defs.h (umove_long_or_printaddr): Rename to umove_ulong_or_printaddr,
chage 3rd argument to unsigned long *.
* util.c (umove_long_or_printaddr): Likewise.
* aio.c (sys_io_submit): Update callers.

aarch64, ppc64, sparc64, tile: hook up mpers printers

* defs.h [AARCH64 && HAVE_M32_MPERS]: Define PERSONALITY0_INCLUDE_FUNCS,
PERSONALITY0_INCLUDE_PRINTERS_DECLS,
and PERSONALITY0_INCLUDE_PRINTERS_DEFS.
[POWERPC64 && HAVE_M32_MPERS]: Define PERSONALITY1_INCLUDE_FUNCS,
PERSONALITY1_INCLUDE_PRINTERS_DECLS,
and PERSONALITY1_INCLUDE_PRINTERS_DEFS.
[SPARC64 && HAVE_M32_MPERS]: Likewise.
[TILE && HAVE_M32_MPERS]: Likewise.

Add PowerPC specific ptrace constants

* xlat/ptrace_cmds.in: Add PowerPC specific ptrace constants.

Update SCTP_* constants

* xlat/socksctpoptions.in: Add SCTP_GET_ASSOC_ID_LIST, SCTP_AUTO_ASCONF,
SCTP_PEER_ADDR_THLDS, SCTP_RECVRCVINFO, SCTP_RECVNXTINFO,
SCTP_DEFAULT_SNDINFO, SCTP_SOCKOPT_CONNECTX, SCTP_SOCKOPT_CONNECTX3,
and SCTP_GET_ASSOC_STATS.

Update F_* constants

* xlat/fcntlcmds.in: Add F_SETPIPE_SZ, F_GETPIPE_SZ, F_ADD_SEALS,
and F_GET_SEALS.

Update RENAME_* constants

* xlat/rename_flags.in: Add RENAME_WHITEOUT.

Update SO_* constants

* xlat/sockoptions.in: Add SO_ATTACH_BPF, SO_BPF_EXTENSIONS,
SO_BUSY_POLL, SO_DETACH_BPF, SO_GET_FILTER, SO_INCOMING_CPU,
SO_LOCK_FILTER, SO_MAX_PACING_RATE, SO_PEEK_OFF, SO_RXQ_OVFL,
SO_SELECT_ERR_QUEUE, and SO_WIFI_STATUS.

Update INPUT_PROP_* constants

* xlat/evdev_prop.in: Add INPUT_PROP_ACCELEROMETER.

Update KEY_* constants

* xlat/evdev_keycode.in: Add KEY_ROTATE_DISPLAY, KEY_NUMERIC_A,
KEY_NUMERIC_B, KEY_NUMERIC_C, and KEY_NUMERIC_D.

Update FALLOC_FL_* constants

* xlat/falloc_flags.in: Add FALLOC_FL_INSERT_RANGE.

Update AF_* and PF_* constants

* xlat/addrfams.in: Add AF_IB and AF_MPLS.
* xlat/domains.in: Add PF_IB and PF_MPLS.

Update TCP_* constants

* xlat/socktcpoptions.in: Add TCP_NOTSENT_LOWAT, TCP_CC_INFO,
TCP_SAVE_SYN, and TCP_SAVED_SYN.

Update PACKET_* constants

* xlat/sockpacketoptions.in: Add PACKET_VNET_HDR, PACKET_TX_TIMESTAMP,
PACKET_TIMESTAMP, PACKET_FANOUT, PACKET_TX_HAS_OFF, PACKET_QDISC_BYPASS,
PACKET_ROLLOVER_STATS, and PACKET_FANOUT_DATA.

Update BPF_MAP_TYPE_* constants

* xlat/bpf_map_types.in: Add BPF_MAP_TYPE_PERF_EVENT_ARRAY.

Update IPPROTO_* constants

* xlat/inet_protocols.in: Add IPPROTO_MPLS.

Update IP_* constants

* xlat/sockipoptions.in: Add IP_CHECKSUM and IP_BIND_ADDRESS_NO_PORT.

Update PTRACE_O_* constants

* ptrace.h: Define PTRACE_O_SUSPEND_SECCOMP.
* xlat/ptrace_setoptions_flags.in: Add it.

Update PR_* constants

* xlat/prctl_options.in: Add PR_SET_FP_MODE, PR_GET_FP_MODE,
and PR_CAP_AMBIENT.

Update SECBIT_* constants

* xlat/secbits.in: Add SECBIT_NO_CAP_AMBIENT_RAISE
and SECBIT_NO_CAP_AMBIENT_RAISE_LOCKED.

mpers.m4: workaround missing gnu/stubs-*.h files

On some systems missing gnu/stubs-*.h files make -m32/-mx32 compilation
checks fail.  As we want to support multiple personalities despite of
this limitation, workaround the check by creating empty gnu stub files
if necessary.

* m4/mpers.m4 (st_MPERS): Check for the gnu stub file.  Create an empty
gnu stub file if the system one is missing.
* Makefile.am (DISTCLEANFILES): Add gnu/stubs-32.h and gnu/stubs-x32.h.

tests: add times-fail.test

* tests/times-fail.c: New file.
* tests/times-fail.test: New test.
* tests/Makefile.am (check_PROGRAMS): Add times-fail.
(TESTS): Add times-fail.test.
* tests/.gitignore: Add times-fail.

tests: add times.test

* tests/times.c: New file.
* tests/times.test: New test.
* tests/Makefile.am (check_PROGRAMS): Add times.
(TESTS): Add times.test.
(times_LDADD): Define.
* tests/.gitignore: Add times.

Mpersify parser of times syscall

Fix multiple personalities support in parser of times syscall by
mpersifying struct tms.

* times.c (tms_t): New typedef.  Mpersify it.
(sys_times): Use it instead of struct tms.

tests: add sysinfo.test

* tests/sysinfo.c: New file.
* tests/sysinfo.test: New test.
* tests/Makefile.am (check_PROGRAMS): Add sysinfo.
(TESTS): Add sysinfo.test.
* tests/.gitignore: Add sysinfo.

Mpersify parser of sysinfo syscall

Fix multiple personalities support in parser of sysinfo syscall by
mpersifying struct sysinfo.

* sysinfo.c (sysinfo_t): New typedef.  Mpersify it.
(sys_sysinfo): Use it instead of struct sysinfo.

Enhance msgctl syscall decoding

Make parser of msgctl syscall print struct msqid_ds.

* ipc_msgctl.c (msqid_ds_t): New typedef.  Mpersify it.
(print_msqid_ds): New function.  Use msqid_ds_t.
(sys_msgctl): Use print_msqid_ds.
* tests/ipc_msg.c: Update for struct msqid_ds support.

Enhance shmctl syscall decoding

Make parser of shmctl syscall print struct shmid_ds.

* ipc_shmctl.c (shmid_ds_t): New typedef.  Mpersify it.
(print_shmid_ds): New function.  Use shmid_ds_t.
(sys_shmctl): Use print_shmid_ds.
* tests/ipc_shm.c: Update for struct shmid_ds support.

tests: add ipc_msgbuf.test

* tests/ipc_msgbuf.c: New file.
* tests/ipc_msgbuf.expected: Likewise.
* tests/ipc_msgbuf.test: New test.
* tests/Makefile.am (check_PROGRAMS): Add ipc_msgbuf.
(TESTS): Add ipc_msgbuf.test.
(EXTRA_DIST): Add ipc_msgbuf.expected.
* tests/.gitignore: Add ipc_msgbuf.

Mpersify tprint_msgsnd and tprint_msgrcv

Fix multiple personalities support in tprint_msgsnd and tprint_msgrcv
by converting tprint_msgbuf into a mpersified printer.

* print_msgbuf.c (msgbuf_t): New typedef.  Mpersify it.
(tprint_msgbuf): Use it instead of long.
Wrap function name into MPERS_PRINTER_DECL.
* ipc_msg.c (tprint_msgsnd, tprint_msgrcv): Use mpersified
tprint_msgbuf.