The zsysnum_{freebsd,netbsd}_arm64.go files were generated before
mksysnum was converted to Go in CL 152677. Regenerate them to adjust the
comment specifying the command used for generation.

Change-Id: I8f00249848fe20e388f255e9e615da1e0727c140
Reviewed-on: https://go-review.googlesource.com/c/159778
Run-TryBot: Tobias Klauser <tobias.klauser@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>

It shouldn't make a difference for generating types and consts, but
let's use the glibc release branch anyway.

Fixes golang/go#29873

Change-Id: I15a3df250f5ae6181b2d036a10e0523ebe44ac3f
Reviewed-on: https://go-review.googlesource.com/c/158997Reviewed-by: Ian Lance Taylor <iant@golang.org>

Port mksyscall_aix_ppc64.pl Perl script to mksyscall_aix_ppc64.go.
mkall.sh script is modified to run mksyscall.go. Running
mkall.sh does not generate any git diff besides the command
name in comments of generated files.

Updates golang/go#27779

Change-Id: Ie888c0df470dcfc75034faa12cf3422b2d426629
Reviewed-on: https://go-review.googlesource.com/c/158699
Run-TryBot: Tobias Klauser <tobias.klauser@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Tobias Klauser <tobias.klauser@gmail.com>

Also add additional packet timestamping constants and types defined
in the same header.

Change-Id: I4280f925b46e229f4c3a83a7fee4612592314016
Reviewed-on: https://go-review.googlesource.com/c/158761
Run-TryBot: Tobias Klauser <tobias.klauser@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>

This isn't a real generation, it's mostly a copy of the amd64
files, due to difficulties in generation.

There should be little to no differences between netbsd 64bit
archs.

Change-Id: I1c7b25cfef87220c827018e73695e5ca08987156
GitHub-Last-Rev: 043207b2c25fbfe959e66bddc238d5b2f053a04f
GitHub-Pull-Request: golang/sys#27
Reviewed-on: https://go-review.googlesource.com/c/155738Reviewed-by: Tobias Klauser <tobias.klauser@gmail.com>
Run-TryBot: Tobias Klauser <tobias.klauser@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>

On linux/riscv64, char defaults to unsigned, so explicitly make
RawSockaddrUnix.Path signed.

Patch by Ryan O'Leary.

Updates golang/go#27532

Change-Id: If99a3953462ad98f61d8fafcda3ebb71b44e6018
Reviewed-on: https://go-review.googlesource.com/c/157900
Run-TryBot: Tobias Klauser <tobias.klauser@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>

On linux/riscv64, the renameat syscall no longer exists and has been
superseded by renameat2. Use Renameat2 to implement Renameat on
linux/riscv64.

Based on a patch by Ryan O'Leary.

Updates golang/go#27532

Change-Id: I7c60c7f824750408265f67397b8ac1fa7226f425
Reviewed-on: https://go-review.googlesource.com/c/157899
Run-TryBot: Tobias Klauser <tobias.klauser@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>

Also add a test now that all unices have Renameat.

Change-Id: I9098662569e9910122dc686559bbd04be06328fa
Reviewed-on: https://go-review.googlesource.com/c/157898
Run-TryBot: Tobias Klauser <tobias.klauser@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>

Also add the SFD_* constants and SignalfdSiginfo type.

Change-Id: I3415c212b85c9d5a940ba2bf70f43739a2630d78
Reviewed-on: https://go-review.googlesource.com/c/157897
Run-TryBot: Tobias Klauser <tobias.klauser@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>

This adds the ClockNanosleep syscall and the TIMER_* constants;
currently only TIMER_ABSTIME for specifying an absolute timestamp.

Change-Id: Ic8d857eb92818529aadab569cd8646a19bb9c055
Reviewed-on: https://go-review.googlesource.com/c/157658
Run-TryBot: Tobias Klauser <tobias.klauser@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Tobias Klauser <tobias.klauser@gmail.com>

Use the https:// URLs to get syscalls.master for freebsd, openbsd and
dragonfly. For netbsd, keep using the http:// URL since HTTPS is not
supported.

Change-Id: Ibcbd19d5e3b4585552ea65dcdc742c2e7bfce944
Reviewed-on: https://go-review.googlesource.com/c/157057
Run-TryBot: Tobias Klauser <tobias.klauser@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>

Port mksyscall_aix_ppc.pl Perl script to mksyscall_aix_ppc.go.
mkall.sh script is modified to run mksyscall.go. Running
mkall.sh does not generate any git diff besides the command
name in comments of generated files.

Updates golang/go#27779

Change-Id: I57b0e5f9fe44dadd96d0e512046bb63e8e1b9f66
Reviewed-on: https://go-review.googlesource.com/c/156778Reviewed-by: Clément Chigot <clement.chigot@atos.net>
Reviewed-by: Tobias Klauser <tobias.klauser@gmail.com>
Run-TryBot: Tobias Klauser <tobias.klauser@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>

Port from Go internal/cpu.

Fixes golang/go#25185

Change-Id: Id3cac18da6ffec9d10df755c4032ce3068ab634d
Reviewed-on: https://go-review.googlesource.com/c/152938Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>

Modify unix/mksyscall.go to support plan9.
This does not generate any git diff besides the
command name in comments of generated files and
addition of +build tags.

Updates golang/go#27779

Change-Id: I359a80d1c08837d92a7095e5235867c29a2d2a60
Reviewed-on: https://go-review.googlesource.com/c/156157
Run-TryBot: Tobias Klauser <tobias.klauser@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Tobias Klauser <tobias.klauser@gmail.com>

Missed this one.

Update golang/go#17490.

Change-Id: I5ab2197f9981b712b37d3060f72209bebcadf291
Reviewed-on: https://go-review.googlesource.com/c/156346
Run-TryBot: Keith Randall <khr@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>

Update mksyscall.pl to skip generating calls to "use".

See issue https://golang.org/issue/16607
and CL https://golang.org/cl/36616

Change-Id: Id36614fce5d98a8538edf4f4a7276e650b99b839
Reviewed-on: https://go-review.googlesource.com/c/156437Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
Reviewed-by: Tobias Klauser <tobias.klauser@gmail.com>
Run-TryBot: Brad Fitzpatrick <bradfitz@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>

Change-Id: Iadc92b5afd18a5c1df0bc42b0d6f52f0b768b47a
Reviewed-on: https://go-review.googlesource.com/c/155979
Run-TryBot: Tobias Klauser <tobias.klauser@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>

This wasn't actually generated on freebsd/arm64 yet. It's mostly a copy
of the amd64 files for now.

Updates golang/go#24715

Change-Id: If24c3c5803a4708f0b26d738f690cbea1694ca88
Reviewed-on: https://go-review.googlesource.com/c/155978
Run-TryBot: Tobias Klauser <tobias.klauser@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>

The stat structure on linux/mips64x differ between C library and the kernel,
as described in the stat(2) man page.

Fstat, Lstat and Stat on linux/mips64x already converts the stat structure
using a fillStat_t function, very similar to __xstat_conv in GLIBC.
Doing the same for Fstatat before calling SYS_NEWFSTATAT fixes the
"Fstatat: returned stat does not match Stat/Lstat" error in TestFstatat.

Fixes golang/go#29401

Change-Id: I0b2a7b274acc3c7c9fc7ae2afe722dd6225da383
Reviewed-on: https://go-review.googlesource.com/c/155747Reviewed-by: Ian Lance Taylor <iant@golang.org>
Reviewed-by: Tobias Klauser <tobias.klauser@gmail.com>

Previously the +build line was taken as a package comment, due to how Go
handles cases like the following:

  // +build <foo>
  package foo

And thus caused build failures because of package name conflict issues.

Fixes: https://golang.org/cl/152677

Change-Id: I7360ee100a739b00beaa1337b0408bb06fa240a6
GitHub-Last-Rev: b67a58691f3a5be12f2c5c510fbb4bd95fdd6e05
GitHub-Pull-Request: golang/sys#28
Reviewed-on: https://go-review.googlesource.com/c/155748Reviewed-by: Tobias Klauser <tobias.klauser@gmail.com>

Port mksysnum_{(open|net|free)bsd,dragonfly,darwin}.pl Perl
scripts to mksysnum.go.

mkall.sh script is modified to run mksysnum.go. Running
./mkall.sh generates no git diff besides command name and
function prototype in comments of generated files.

Updates golang/go#27779

Change-Id: I534734a9c7fda186ca133ba19e14481e55832be1
Reviewed-on: https://go-review.googlesource.com/c/152677Reviewed-by: Tobias Klauser <tobias.klauser@gmail.com>

With cgo supporting sparc64 as of CL 102555 and CL 132155, the Docker
based build system can be used to generate file for linux/sparc64 as
well.

Updates golang/go#15282

Change-Id: I109e55f39d3229b24b0029c42074e439c6c54dc8
Reviewed-on: https://go-review.googlesource.com/c/102655
Run-TryBot: Tobias Klauser <tobias.klauser@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>

Fix a compile error due to unused import introduced by CL 154663.

Change-Id: I2a732380c35cd98dfff36289f5d72fd7d7222205
GitHub-Last-Rev: 5c7065d26c8bf85d5dd7dc74f1631ab3532f69a9
GitHub-Pull-Request: golang/sys#26
Reviewed-on: https://go-review.googlesource.com/c/155460Reviewed-by: Tobias Klauser <tobias.klauser@gmail.com>
Run-TryBot: Tobias Klauser <tobias.klauser@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>

Change-Id: Iab98581ade90ffb6c9faa29d4a45558498fff82a
Reviewed-on: https://go-review.googlesource.com/c/155398Reviewed-by: Tobias Klauser <tobias.klauser@gmail.com>
Reviewed-by: Ian Lance Taylor <iant@golang.org>

Make 1.11 the explicitly named case, and 1.12 the default.

Change-Id: Ic3674860eb9e8a5bb1cf1da12c5ac583cc0b0633
Reviewed-on: https://go-review.googlesource.com/c/155397Reviewed-by: Tobias Klauser <tobias.klauser@gmail.com>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>

There wasn't one. I was mucking around with the Sendfile internals in
CL 154663 so I need one to make sure I didn't break anything.

Change-Id: I38b25de4995831680fdac440dfa7f26542d2624f
Reviewed-on: https://go-review.googlesource.com/c/154664
Run-TryBot: Keith Randall <khr@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>

Change mode of mksysnum.go to 644.

I also checked all the other files with 755 mode, to verify that no
other Go file has this issue. After this change, only .sh and .pl
files are executable:

  $ git ls-files -s * | grep 100755
  100755 9f73c60660b8978be4cc7041362dc8c220c71bd7 0	plan9/mkall.sh
  100755 85309c4a5ba73b0d05d53c6c262eeaf8d1038f5b 0	plan9/mkerrors.sh
  100755 252e89e14d9cbd083ce61e52f8dd34a62e5fc828 0	plan9/mksyscall.pl
  100755 3c3ab05810ee1203c0d578654dc3069587ba4e94 0	plan9/mksysnum_plan9.sh
  100755 f8dab7511d90d51fbd1470a4b3e718cc559cf7f4 0	unix/mkall.sh
  100755 955dd50f9af178321c881fe1fd5b5f95726dd28c 0	unix/mkerrors.sh
  100755 c44de8d310ef46c084ed38cdaffe74dffbbcbbd5 0	unix/mksyscall_aix_ppc.pl
  100755 53df26bb93acbd6b9841e36ac47ef73f4654b7ad 0	unix/mksyscall_aix_ppc64.pl
  100755 a354df5a6bfd678cb722ccd7ed0795f7c94ac4c2 0	unix/mksyscall_solaris.pl
  100755 20632e14608e37ba2ff7c5b3f467009cf315b51a 0	unix/mksysctl_openbsd.pl
  100755 5453c53b192319c95d47c672a40d7a73f626105f 0	unix/mksysnum_darwin.pl
  100755 6804f41216e732851470c89cb2ae1c552e5515cd 0	unix/mksysnum_dragonfly.pl
  100755 198993d0954d65da7ed143d8edd9bd12117ac697 0	unix/mksysnum_freebsd.pl
  100755 85988b140b9d843c104fe6a2a9f921eab6abcb03 0	unix/mksysnum_netbsd.pl
  100755 84edf60ca12d90b0a6a080947b1a08fb7b6c3b20 0	unix/mksysnum_openbsd.pl

Fixes golang/go#29369

Change-Id: I66eae4cec07806ea6289e229819aef8dbbad9335
Reviewed-on: https://go-review.googlesource.com/c/155417Reviewed-by: Tobias Klauser <tobias.klauser@gmail.com>

Update golang/go#17490

Change-Id: Iaec54b8ffda1a24d4c8b5671185d570fb8683155
Reviewed-on: https://go-review.googlesource.com/c/154663Reviewed-by: Ian Lance Taylor <iant@golang.org>

Update golang/go#17490

Change-Id: I55ea10ce2eb5fb1c0518a57900e78e5f0a29b893
Reviewed-on: https://go-review.googlesource.com/c/154662Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>

Update golang/go#17490

Change-Id: I29feed5ddea976b39bd4c43bd1ff5942f47df083
Reviewed-on: https://go-review.googlesource.com/c/154661Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>

Use libc version instead.

Update golang/go#17490

Change-Id: Ibcedccb9715961904d12fc85f69a7139b6c26658
Reviewed-on: https://go-review.googlesource.com/c/154660Reviewed-by: Ian Lance Taylor <iant@golang.org>

This system call doesn't exist on iOS.

Update golang/go#28984

Change-Id: I92eb6fd3eb263863a31338bc18c9826a2242434b
Reviewed-on: https://go-review.googlesource.com/c/154659Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>

Parallel to CL 151938 for package x/sys/unix instead of syscall.

iOS needs to use these functions without the "64" postfix.
(The functions do exist, but the App Store bans their use.)

Updates golang/go#28984

Change-Id: I6b82950700cc8a1afca612844b05fa007574e008
Reviewed-on: https://go-review.googlesource.com/c/154658Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>

Call into libSystem (Darwin's libc equivalent) to do system calls.
Raw syscalls are not a supported ABI on Darwin, they want us to use
libSystem calls instead.

The stdlib has already been converted to this new regime.  This
package is vendored into the stdlib, so we need to fix it also, then
vendor it in again.

Because this package isn't tied to a Go release, we need to keep the
old code around and use the new code only for 1.12 and up.

Update golang/go#17490

Change-Id: Idbcacff096b5bfeac871aa75dfd971570ac93322
Reviewed-on: https://go-review.googlesource.com/c/154179Reviewed-by: Ian Lance Taylor <iant@golang.org>

The removed paddings are expected behavior resulting from CL 150602.

Change-Id: I2c80405e20f92cca4890230c6f0644b724a8076e
Reviewed-on: https://go-review.googlesource.com/c/155257
Run-TryBot: Tobias Klauser <tobias.klauser@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>

Use wevtutil.exe to query event log instead of powershell's Get-EventLog
command, which is not available on Windows IoT Core.

Updates golang/go#26148

Change-Id: Idc16d0b18d2826730d2b4062388b2a764c4886c6
Reviewed-on: https://go-review.googlesource.com/c/154817
Run-TryBot: Brad Fitzpatrick <bradfitz@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>

pdh.dll is not available on Windows IoT core. Use netevent.dll instead.

Update golang/go#26148

Change-Id: I80c299ad030944954d5d7d182d91dc15e71341f9
Reviewed-on: https://go-review.googlesource.com/c/154560Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
Run-TryBot: Brad Fitzpatrick <bradfitz@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>

AIX doesn't provide a flock() syscall, it was previously emulated in
package syscall by using fcntl. This emulation was removed in CL 152397.
Since unix.Flock wraps syscall.Flock, the build currently fails on aix
without this change.

Change-Id: Ie887619cd64ae009ea43f00c74e450a5b8f998ac
Reviewed-on: https://go-review.googlesource.com/c/153938
Run-TryBot: Tobias Klauser <tobias.klauser@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Clément Chigot <clement.chigot@atos.net>
Reviewed-by: Ian Lance Taylor <iant@golang.org>

Use the arm_sync_file_range to implement SyncFileRange.

This is an alias for sync_file_range2 syscall which is already used to
implement SyncFileRange on ppc64x. These have the order of the flags and
offset arguments reversed in order to fit the syscall arguments within 6
registers.

For more information see:
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=edd5cd4a9424f22b0fa08bef5e299d41befd5622

This makes TestSyncFileRange build and pass on linux/arm.

Change-Id: I1316328ebcf550a3fb70f9ce5ebf54d8bcaa932c
Reviewed-on: https://go-review.googlesource.com/c/153939
Run-TryBot: Tobias Klauser <tobias.klauser@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>

runtime.GOOS and runtime.GOARCH are constants, thus all comparisons are
evaluated at compile time.

Follow-up for CL 153619 to make the code consistent with the syscall
package, cf. CL 153837

Change-Id: I0520d88c1636c6ed2acad69fce85a28042eafe56
Reviewed-on: https://go-review.googlesource.com/c/153937
Run-TryBot: Tobias Klauser <tobias.klauser@gmail.com>
Reviewed-by: Joel Sing <joel@sing.id.au>
TryBot-Result: Gobot Gobot <gobot@golang.org>