cmd: update vendored golang.org/x/sys

This brings in support for openbsd/arm64.

Updated via 'go get' and 'go mod vendor'.

Updates #31656

Change-Id: I18ffbc622d542f61ca0442b9dab28271fa2cfa85
Reviewed-on: https://go-review.googlesource.com/c/go/+/174118Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
Run-TryBot: Brad Fitzpatrick <bradfitz@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>

src/cmd/go.mod

@@ -7,6 +7,6 @@ require (
 	github.com/ianlancetaylor/demangle v0.0.0-20180524225900-fc6590592b44 // indirect
 	golang.org/x/arch v0.0.0-20181203225421-5a4828bb7045
 	golang.org/x/crypto v0.0.0-20190325154230-a5d413f7728c
-	golang.org/x/sys v0.0.0-20190322080309-f49334f85ddc // indirect
+	golang.org/x/sys v0.0.0-20190424175732-18eb32c0e2f0 // indirect
 	golang.org/x/tools v0.0.0-20190325223049-1d95b17f1b04
 )

src/cmd/go.sum

@@ -11,6 +11,8 @@ golang.org/x/net v0.0.0-20190311183353-d8887717615a/go.mod h1:t9HGtf8HONx5eT2rtn
 golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20190322080309-f49334f85ddc h1:4gbWbmmPFp4ySWICouJl6emP0MyS31yy9SrTlAGFT+g=
 golang.org/x/sys v0.0.0-20190322080309-f49334f85ddc/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20190424175732-18eb32c0e2f0 h1:V+O002es++Mnym06Rj/S6Fl7VCsgRBgVDGb/NoZVHUg=
+golang.org/x/sys v0.0.0-20190424175732-18eb32c0e2f0/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/tools v0.0.0-20190325223049-1d95b17f1b04 h1:SRYGE+BqJRgY8JH4p2NmwTPeuREKqKYw5IuEmthTHKQ=
 golang.org/x/tools v0.0.0-20190325223049-1d95b17f1b04/go.mod h1:LCzVGOaR6xXOjkQ3onu1FJEFr0SW1gC7cKk1uF8kGRs=

src/cmd/vendor/golang.org/x/sys/unix/asm_openbsd_arm64.s

+// Copyright 2019 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// +build !gccgo
+
+#include "textflag.h"
+
+//
+// System call support for arm64, OpenBSD
+//
+
+// Just jump to package syscall's implementation for all these functions.
+// The runtime may know about them.
+
+TEXT	·Syscall(SB),NOSPLIT,$0-56
+	JMP	syscall·Syscall(SB)
+
+TEXT	·Syscall6(SB),NOSPLIT,$0-80
+	JMP	syscall·Syscall6(SB)
+
+TEXT	·Syscall9(SB),NOSPLIT,$0-104
+	JMP	syscall·Syscall9(SB)
+
+TEXT	·RawSyscall(SB),NOSPLIT,$0-56
+	JMP	syscall·RawSyscall(SB)
+
+TEXT	·RawSyscall6(SB),NOSPLIT,$0-80
+	JMP	syscall·RawSyscall6(SB)

src/cmd/vendor/golang.org/x/sys/unix/mkall.sh

@@ -169,6 +169,15 @@ openbsd_arm)
 	# API consistent across platforms.
 	mktypes="GOARCH=$GOARCH go tool cgo -godefs -- -fsigned-char"
 	;;
+openbsd_arm64)
+	mkerrors="$mkerrors -m64"
+	mksyscall="go run mksyscall.go -openbsd"
+	mksysctl="./mksysctl_openbsd.pl"
+	mksysnum="go run mksysnum.go 'https://cvsweb.openbsd.org/cgi-bin/cvsweb/~checkout~/src/sys/kern/syscalls.master'"
+	# Let the type of C char be signed for making the bare syscall
+	# API consistent across platforms.
+	mktypes="GOARCH=$GOARCH go tool cgo -godefs -- -fsigned-char"
+	;;
 solaris_amd64)
 	mksyscall="go run mksyscall_solaris.go"
 	mkerrors="$mkerrors -m64"

src/cmd/vendor/golang.org/x/sys/unix/mkerrors.sh

@@ -222,6 +222,7 @@ struct ltchars {
 #include <linux/hdreg.h>
 #include <linux/rtc.h>
 #include <linux/if_xdp.h>
+#include <linux/cryptouser.h>
 #include <mtd/ubi-user.h>
 #include <net/route.h>
 
@@ -499,6 +500,7 @@ ccflags="$@"
 		$2 ~ /^NFN/ ||
 		$2 ~ /^XDP_/ ||
 		$2 ~ /^(HDIO|WIN|SMART)_/ ||
+		$2 ~ /^CRYPTO_/ ||
 		$2 !~ "WMESGLEN" &&
 		$2 ~ /^W[A-Z0-9]+$/ ||
 		$2 ~/^PPPIOC/ ||

src/cmd/vendor/golang.org/x/sys/unix/openbsd_pledge.go → src/cmd/vendor/golang.org/x/sys/unix/pledge_openbsd.go

@@ -2,9 +2,6 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-// +build openbsd
-// +build 386 amd64 arm
-
 package unix
 
 import (

src/cmd/vendor/golang.org/x/sys/unix/sockcmsg_unix.go

@@ -18,6 +18,9 @@ func cmsgAlignOf(salen int) int {
 	salign := SizeofPtr
 
 	switch runtime.GOOS {
+	case "aix":
+		// There is no alignment on AIX.
+		salign = 1
 	case "darwin", "dragonfly", "solaris":
 		// NOTE: It seems like 64-bit Darwin, DragonFly BSD and
 		// Solaris kernels still require 32-bit aligned access to

src/cmd/vendor/golang.org/x/sys/unix/syscall_aix.go

@@ -444,8 +444,6 @@ func IoctlGetTermios(fd int, req uint) (*Termios, error) {
 //sysnb	Times(tms *Tms) (ticks uintptr, err error)
 //sysnb	Umask(mask int) (oldmask int)
 //sysnb	Uname(buf *Utsname) (err error)
-//TODO umount
-// //sys	Unmount(target string, flags int) (err error) = umount
 //sys   Unlink(path string) (err error)
 //sys   Unlinkat(dirfd int, path string, flags int) (err error)
 //sys	Ustat(dev int, ubuf *Ustat_t) (err error)
@@ -470,8 +468,7 @@ func IoctlGetTermios(fd int, req uint) (*Termios, error) {
 //sys	Pause() (err error)
 //sys	Pread(fd int, p []byte, offset int64) (n int, err error) = pread64
 //sys	Pwrite(fd int, p []byte, offset int64) (n int, err error) = pwrite64
-//TODO Select
-// //sys	Select(nfd int, r *FdSet, w *FdSet, e *FdSet, timeout *Timeval) (n int, err error)
+//sys	Select(nfd int, r *FdSet, w *FdSet, e *FdSet, timeout *Timeval) (n int, err error)
 //sys	Pselect(nfd int, r *FdSet, w *FdSet, e *FdSet, timeout *Timespec, sigmask *Sigset_t) (n int, err error)
 //sysnb	Setregid(rgid int, egid int) (err error)
 //sysnb	Setreuid(ruid int, euid int) (err error)
@@ -493,8 +490,10 @@ func IoctlGetTermios(fd int, req uint) (*Termios, error) {
 //sysnb	getsockname(fd int, rsa *RawSockaddrAny, addrlen *_Socklen) (err error)
 //sys	recvfrom(fd int, p []byte, flags int, from *RawSockaddrAny, fromlen *_Socklen) (n int, err error)
 //sys	sendto(s int, buf []byte, flags int, to unsafe.Pointer, addrlen _Socklen) (err error)
-//sys	recvmsg(s int, msg *Msghdr, flags int) (n int, err error)
-//sys	sendmsg(s int, msg *Msghdr, flags int) (n int, err error)
+
+// In order to use msghdr structure with Control, Controllen, nrecvmsg and nsendmsg must be used.
+//sys	recvmsg(s int, msg *Msghdr, flags int) (n int, err error) = nrecvmsg
+//sys	sendmsg(s int, msg *Msghdr, flags int) (n int, err error) = nsendmsg
 
 //sys	munmap(addr uintptr, length uintptr) (err error)
 
@@ -547,3 +546,12 @@ func Poll(fds []PollFd, timeout int) (n int, err error) {
 //sys	Utime(path string, buf *Utimbuf) (err error)
 
 //sys	Getsystemcfg(label int) (n uint64)
+
+//sys	umount(target string) (err error)
+func Unmount(target string, flags int) (err error) {
+	if flags != 0 {
+		// AIX doesn't have any flags for umount.
+		return ENOSYS
+	}
+	return umount(target)
+}

src/cmd/vendor/golang.org/x/sys/unix/syscall_darwin.go

@@ -144,6 +144,23 @@ func getAttrList(path string, attrList attrList, attrBuf []byte, options uint) (
 
 //sys getattrlist(path *byte, list unsafe.Pointer, buf unsafe.Pointer, size uintptr, options int) (err error)
 
+func SysctlClockinfo(name string) (*Clockinfo, error) {
+	mib, err := sysctlmib(name)
+	if err != nil {
+		return nil, err
+	}
+
+	n := uintptr(SizeofClockinfo)
+	var ci Clockinfo
+	if err := sysctl(mib, (*byte)(unsafe.Pointer(&ci)), &n, nil, 0); err != nil {
+		return nil, err
+	}
+	if n != SizeofClockinfo {
+		return nil, EIO
+	}
+	return &ci, nil
+}
+
 //sysnb pipe() (r int, w int, err error)
 
 func Pipe(p []int) (err error) {

src/cmd/vendor/golang.org/x/sys/unix/syscall_linux.go

@@ -1662,6 +1662,19 @@ func Faccessat(dirfd int, path string, mode uint32, flags int) (err error) {
 	return EACCES
 }
 
+//sys nameToHandleAt(dirFD int, pathname string, fh *fileHandle, mountID *_C_int, flags int) (err error) = SYS_NAME_TO_HANDLE_AT
+//sys openByHandleAt(mountFD int, fh *fileHandle, flags int) (fd int, err error) = SYS_OPEN_BY_HANDLE_AT
+
+// fileHandle is the argument to nameToHandleAt and openByHandleAt. We
+// originally tried to generate it via unix/linux/types.go with "type
+// fileHandle C.struct_file_handle" but that generated empty structs
+// for mips64 and mips64le. Instead, hard code it for now (it's the
+// same everywhere else) until the mips64 generator issue is fixed.
+type fileHandle struct {
+	Bytes uint32
+	Type  int32
+}
+
 /*
  * Unimplemented
  */

src/cmd/vendor/golang.org/x/sys/unix/syscall_openbsd_arm64.go

+// Copyright 2019 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// +build arm64,openbsd
+
+package unix
+
+func setTimespec(sec, nsec int64) Timespec {
+	return Timespec{Sec: sec, Nsec: nsec}
+}
+
+func setTimeval(sec, usec int64) Timeval {
+	return Timeval{Sec: sec, Usec: usec}
+}
+
+func SetKevent(k *Kevent_t, fd, mode, flags int) {
+	k.Ident = uint64(fd)
+	k.Filter = int16(mode)
+	k.Flags = uint16(flags)
+}
+
+func (iov *Iovec) SetLen(length int) {
+	iov.Len = uint64(length)
+}
+
+func (msghdr *Msghdr) SetControllen(length int) {
+	msghdr.Controllen = uint32(length)
+}
+
+func (cmsg *Cmsghdr) SetLen(length int) {
+	cmsg.Len = uint32(length)
+}
+
+// SYS___SYSCTL is used by syscall_bsd.go for all BSDs, but in modern versions
+// of openbsd/amd64 the syscall is called sysctl instead of __sysctl.
+const SYS___SYSCTL = SYS_SYSCTL

src/cmd/vendor/golang.org/x/sys/unix/syscall_unix.go

@@ -294,6 +294,13 @@ func GetsockoptTimeval(fd, level, opt int) (*Timeval, error) {
 	return &tv, err
 }
 
+func GetsockoptUint64(fd, level, opt int) (value uint64, err error) {
+	var n uint64
+	vallen := _Socklen(8)
+	err = getsockopt(fd, level, opt, unsafe.Pointer(&n), &vallen)
+	return n, err
+}
+
 func Recvfrom(fd int, p []byte, flags int) (n int, from Sockaddr, err error) {
 	var rsa RawSockaddrAny
 	var len _Socklen = SizeofSockaddrAny
@@ -344,13 +351,21 @@ func SetsockoptLinger(fd, level, opt int, l *Linger) (err error) {
 }
 
 func SetsockoptString(fd, level, opt int, s string) (err error) {
-	return setsockopt(fd, level, opt, unsafe.Pointer(&[]byte(s)[0]), uintptr(len(s)))
+	var p unsafe.Pointer
+	if len(s) > 0 {
+		p = unsafe.Pointer(&[]byte(s)[0])
+	}
+	return setsockopt(fd, level, opt, p, uintptr(len(s)))
 }
 
 func SetsockoptTimeval(fd, level, opt int, tv *Timeval) (err error) {
 	return setsockopt(fd, level, opt, unsafe.Pointer(tv), unsafe.Sizeof(*tv))
 }
 
+func SetsockoptUint64(fd, level, opt int, value uint64) (err error) {
+	return setsockopt(fd, level, opt, unsafe.Pointer(&value), 8)
+}
+
 func Socket(domain, typ, proto int) (fd int, err error) {
 	if domain == AF_INET6 && SocketDisableIPv6 {
 		return -1, EAFNOSUPPORT

src/cmd/vendor/golang.org/x/sys/unix/openbsd_unveil.go → src/cmd/vendor/golang.org/x/sys/unix/unveil_openbsd.go

@@ -2,8 +2,6 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-// +build openbsd
-
 package unix
 
 import (

src/cmd/vendor/golang.org/x/sys/unix/zerrors_aix_ppc.go

@@ -926,6 +926,8 @@ const (
 	TCSETSF                       = 0x5404
 	TCSETSW                       = 0x5403
 	TCXONC                        = 0x540b
+	TIMER_ABSTIME                 = 0x3e7
+	TIMER_MAX                     = 0x20
 	TIOC                          = 0x5400
 	TIOCCBRK                      = 0x2000747a
 	TIOCCDTR                      = 0x20007478

src/cmd/vendor/golang.org/x/sys/unix/zerrors_aix_ppc64.go

@@ -3,7 +3,7 @@
 
 // +build ppc64,aix
 
-// Created by cgo -godefs - DO NOT EDIT
+// Code generated by cmd/cgo -godefs; DO NOT EDIT.
 // cgo -godefs -- -maix64 _const.go
 
 package unix
@@ -926,6 +926,8 @@ const (
 	TCSETSF                       = 0x5404
 	TCSETSW                       = 0x5403
 	TCXONC                        = 0x540b
+	TIMER_ABSTIME                 = 0x3e7
+	TIMER_MAX                     = 0x20
 	TIOC                          = 0x5400
 	TIOCCBRK                      = 0x2000747a
 	TIOCCDTR                      = 0x20007478

src/cmd/vendor/golang.org/x/sys/unix/zerrors_linux_386.go

@@ -320,6 +320,10 @@ const (
 	CRDLY                                = 0x600
 	CREAD                                = 0x80
 	CRTSCTS                              = 0x80000000
+	CRYPTO_MAX_NAME                      = 0x40
+	CRYPTO_MSG_MAX                       = 0x15
+	CRYPTO_NR_MSGTYPES                   = 0x6
+	CRYPTO_REPORT_MAXSIZE                = 0x160
 	CS5                                  = 0x0
 	CS6                                  = 0x10
 	CS7                                  = 0x20

src/cmd/vendor/golang.org/x/sys/unix/zerrors_linux_amd64.go

@@ -320,6 +320,10 @@ const (
 	CRDLY                                = 0x600
 	CREAD                                = 0x80
 	CRTSCTS                              = 0x80000000
+	CRYPTO_MAX_NAME                      = 0x40
+	CRYPTO_MSG_MAX                       = 0x15
+	CRYPTO_NR_MSGTYPES                   = 0x6
+	CRYPTO_REPORT_MAXSIZE                = 0x160
 	CS5                                  = 0x0
 	CS6                                  = 0x10
 	CS7                                  = 0x20

src/cmd/vendor/golang.org/x/sys/unix/zerrors_linux_arm.go

@@ -320,6 +320,10 @@ const (
 	CRDLY                                = 0x600
 	CREAD                                = 0x80
 	CRTSCTS                              = 0x80000000
+	CRYPTO_MAX_NAME                      = 0x40
+	CRYPTO_MSG_MAX                       = 0x15
+	CRYPTO_NR_MSGTYPES                   = 0x6
+	CRYPTO_REPORT_MAXSIZE                = 0x160
 	CS5                                  = 0x0
 	CS6                                  = 0x10
 	CS7                                  = 0x20

src/cmd/vendor/golang.org/x/sys/unix/zerrors_linux_arm64.go

@@ -320,6 +320,10 @@ const (
 	CRDLY                                = 0x600
 	CREAD                                = 0x80
 	CRTSCTS                              = 0x80000000
+	CRYPTO_MAX_NAME                      = 0x40
+	CRYPTO_MSG_MAX                       = 0x15
+	CRYPTO_NR_MSGTYPES                   = 0x6
+	CRYPTO_REPORT_MAXSIZE                = 0x160
 	CS5                                  = 0x0
 	CS6                                  = 0x10
 	CS7                                  = 0x20

src/cmd/vendor/golang.org/x/sys/unix/zerrors_linux_mips.go

@@ -320,6 +320,10 @@ const (
 	CRDLY                                = 0x600
 	CREAD                                = 0x80
 	CRTSCTS                              = 0x80000000
+	CRYPTO_MAX_NAME                      = 0x40
+	CRYPTO_MSG_MAX                       = 0x15
+	CRYPTO_NR_MSGTYPES                   = 0x6
+	CRYPTO_REPORT_MAXSIZE                = 0x160
 	CS5                                  = 0x0
 	CS6                                  = 0x10
 	CS7                                  = 0x20

src/cmd/vendor/golang.org/x/sys/unix/zerrors_linux_mips64.go

@@ -320,6 +320,10 @@ const (
 	CRDLY                                = 0x600
 	CREAD                                = 0x80
 	CRTSCTS                              = 0x80000000
+	CRYPTO_MAX_NAME                      = 0x40
+	CRYPTO_MSG_MAX                       = 0x15
+	CRYPTO_NR_MSGTYPES                   = 0x6
+	CRYPTO_REPORT_MAXSIZE                = 0x160
 	CS5                                  = 0x0
 	CS6                                  = 0x10
 	CS7                                  = 0x20

src/cmd/vendor/golang.org/x/sys/unix/zerrors_linux_mips64le.go

@@ -320,6 +320,10 @@ const (
 	CRDLY                                = 0x600
 	CREAD                                = 0x80
 	CRTSCTS                              = 0x80000000
+	CRYPTO_MAX_NAME                      = 0x40
+	CRYPTO_MSG_MAX                       = 0x15
+	CRYPTO_NR_MSGTYPES                   = 0x6
+	CRYPTO_REPORT_MAXSIZE                = 0x160
 	CS5                                  = 0x0
 	CS6                                  = 0x10
 	CS7                                  = 0x20

src/cmd/vendor/golang.org/x/sys/unix/zerrors_linux_mipsle.go

@@ -320,6 +320,10 @@ const (
 	CRDLY                                = 0x600
 	CREAD                                = 0x80
 	CRTSCTS                              = 0x80000000
+	CRYPTO_MAX_NAME                      = 0x40
+	CRYPTO_MSG_MAX                       = 0x15
+	CRYPTO_NR_MSGTYPES                   = 0x6
+	CRYPTO_REPORT_MAXSIZE                = 0x160
 	CS5                                  = 0x0
 	CS6                                  = 0x10
 	CS7                                  = 0x20

src/cmd/vendor/golang.org/x/sys/unix/zerrors_linux_ppc64.go

@@ -320,6 +320,10 @@ const (
 	CRDLY                                = 0x3000
 	CREAD                                = 0x800
 	CRTSCTS                              = 0x80000000
+	CRYPTO_MAX_NAME                      = 0x40
+	CRYPTO_MSG_MAX                       = 0x15
+	CRYPTO_NR_MSGTYPES                   = 0x6
+	CRYPTO_REPORT_MAXSIZE                = 0x160
 	CS5                                  = 0x0
 	CS6                                  = 0x100
 	CS7                                  = 0x200

src/cmd/vendor/golang.org/x/sys/unix/zerrors_linux_ppc64le.go

@@ -320,6 +320,10 @@ const (
 	CRDLY                                = 0x3000
 	CREAD                                = 0x800
 	CRTSCTS                              = 0x80000000
+	CRYPTO_MAX_NAME                      = 0x40
+	CRYPTO_MSG_MAX                       = 0x15
+	CRYPTO_NR_MSGTYPES                   = 0x6
+	CRYPTO_REPORT_MAXSIZE                = 0x160
 	CS5                                  = 0x0
 	CS6                                  = 0x100
 	CS7                                  = 0x200

src/cmd/vendor/golang.org/x/sys/unix/zerrors_linux_riscv64.go

@@ -320,6 +320,10 @@ const (
 	CRDLY                                = 0x600
 	CREAD                                = 0x80
 	CRTSCTS                              = 0x80000000
+	CRYPTO_MAX_NAME                      = 0x40
+	CRYPTO_MSG_MAX                       = 0x15
+	CRYPTO_NR_MSGTYPES                   = 0x6
+	CRYPTO_REPORT_MAXSIZE                = 0x160
 	CS5                                  = 0x0
 	CS6                                  = 0x10
 	CS7                                  = 0x20

src/cmd/vendor/golang.org/x/sys/unix/zerrors_linux_s390x.go

@@ -320,6 +320,10 @@ const (
 	CRDLY                                = 0x600
 	CREAD                                = 0x80
 	CRTSCTS                              = 0x80000000
+	CRYPTO_MAX_NAME                      = 0x40
+	CRYPTO_MSG_MAX                       = 0x15
+	CRYPTO_NR_MSGTYPES                   = 0x6
+	CRYPTO_REPORT_MAXSIZE                = 0x160
 	CS5                                  = 0x0
 	CS6                                  = 0x10
 	CS7                                  = 0x20

src/cmd/vendor/golang.org/x/sys/unix/zerrors_linux_sparc64.go

@@ -323,6 +323,10 @@ const (
 	CRDLY                                = 0x600
 	CREAD                                = 0x80
 	CRTSCTS                              = 0x80000000
+	CRYPTO_MAX_NAME                      = 0x40
+	CRYPTO_MSG_MAX                       = 0x15
+	CRYPTO_NR_MSGTYPES                   = 0x6
+	CRYPTO_REPORT_MAXSIZE                = 0x160
 	CS5                                  = 0x0
 	CS6                                  = 0x10
 	CS7                                  = 0x20

src/cmd/vendor/golang.org/x/sys/unix/zsyscall_aix_ppc.go

@@ -83,6 +83,8 @@ int lstat(uintptr_t, uintptr_t);
 int pause();
 int pread64(int, uintptr_t, size_t, long long);
 int pwrite64(int, uintptr_t, size_t, long long);
+#define c_select select
+int select(int, uintptr_t, uintptr_t, uintptr_t, uintptr_t);
 int pselect(int, uintptr_t, uintptr_t, uintptr_t, uintptr_t, uintptr_t);
 int setregid(int, int);
 int setreuid(int, int);
@@ -103,8 +105,8 @@ int getpeername(int, uintptr_t, uintptr_t);
 int getsockname(int, uintptr_t, uintptr_t);
 int recvfrom(int, uintptr_t, size_t, int, uintptr_t, uintptr_t);
 int sendto(int, uintptr_t, size_t, int, uintptr_t, uintptr_t);
-int recvmsg(int, uintptr_t, int);
-int sendmsg(int, uintptr_t, int);
+int nrecvmsg(int, uintptr_t, int);
+int nsendmsg(int, uintptr_t, int);
 int munmap(uintptr_t, uintptr_t);
 int madvise(uintptr_t, size_t, int);
 int mprotect(uintptr_t, size_t, int);
@@ -118,6 +120,8 @@ int poll(uintptr_t, int, int);
 int gettimeofday(uintptr_t, uintptr_t);
 int time(uintptr_t);
 int utime(uintptr_t, uintptr_t);
+unsigned long long getsystemcfg(int);
+int umount(uintptr_t);
 int getrlimit64(int, uintptr_t);
 int setrlimit64(int, uintptr_t);
 long long lseek64(int, long long, int);
@@ -1004,6 +1008,17 @@ func Pwrite(fd int, p []byte, offset int64) (n int, err error) {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func Select(nfd int, r *FdSet, w *FdSet, e *FdSet, timeout *Timeval) (n int, err error) {
+	r0, er := C.c_select(C.int(nfd), C.uintptr_t(uintptr(unsafe.Pointer(r))), C.uintptr_t(uintptr(unsafe.Pointer(w))), C.uintptr_t(uintptr(unsafe.Pointer(e))), C.uintptr_t(uintptr(unsafe.Pointer(timeout))))
+	n = int(r0)
+	if r0 == -1 && er != nil {
+		err = er
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func Pselect(nfd int, r *FdSet, w *FdSet, e *FdSet, timeout *Timespec, sigmask *Sigset_t) (n int, err error) {
 	r0, er := C.pselect(C.int(nfd), C.uintptr_t(uintptr(unsafe.Pointer(r))), C.uintptr_t(uintptr(unsafe.Pointer(w))), C.uintptr_t(uintptr(unsafe.Pointer(e))), C.uintptr_t(uintptr(unsafe.Pointer(timeout))), C.uintptr_t(uintptr(unsafe.Pointer(sigmask))))
 	n = int(r0)
@@ -1225,7 +1240,7 @@ func sendto(s int, buf []byte, flags int, to unsafe.Pointer, addrlen _Socklen) (
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func recvmsg(s int, msg *Msghdr, flags int) (n int, err error) {
-	r0, er := C.recvmsg(C.int(s), C.uintptr_t(uintptr(unsafe.Pointer(msg))), C.int(flags))
+	r0, er := C.nrecvmsg(C.int(s), C.uintptr_t(uintptr(unsafe.Pointer(msg))), C.int(flags))
 	n = int(r0)
 	if r0 == -1 && er != nil {
 		err = er
@@ -1236,7 +1251,7 @@ func recvmsg(s int, msg *Msghdr, flags int) (n int, err error) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func sendmsg(s int, msg *Msghdr, flags int) (n int, err error) {
-	r0, er := C.sendmsg(C.int(s), C.uintptr_t(uintptr(unsafe.Pointer(msg))), C.int(flags))
+	r0, er := C.nsendmsg(C.int(s), C.uintptr_t(uintptr(unsafe.Pointer(msg))), C.int(flags))
 	n = int(r0)
 	if r0 == -1 && er != nil {
 		err = er
@@ -1409,6 +1424,25 @@ func Utime(path string, buf *Utimbuf) (err error) {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func Getsystemcfg(label int) (n uint64) {
+	r0, _ := C.getsystemcfg(C.int(label))
+	n = uint64(r0)
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func umount(target string) (err error) {
+	_p0 := uintptr(unsafe.Pointer(C.CString(target)))
+	r0, er := C.umount(C.uintptr_t(_p0))
+	if r0 == -1 && er != nil {
+		err = er
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func Getrlimit(resource int, rlim *Rlimit) (err error) {
 	r0, er := C.getrlimit64(C.int(resource), C.uintptr_t(uintptr(unsafe.Pointer(rlim))))
 	if r0 == -1 && er != nil {

src/cmd/vendor/golang.org/x/sys/unix/zsyscall_aix_ppc64.go

@@ -960,6 +960,17 @@ func Pwrite(fd int, p []byte, offset int64) (n int, err error) {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func Select(nfd int, r *FdSet, w *FdSet, e *FdSet, timeout *Timeval) (n int, err error) {
+	r0, e1 := callselect(nfd, uintptr(unsafe.Pointer(r)), uintptr(unsafe.Pointer(w)), uintptr(unsafe.Pointer(e)), uintptr(unsafe.Pointer(timeout)))
+	n = int(r0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func Pselect(nfd int, r *FdSet, w *FdSet, e *FdSet, timeout *Timespec, sigmask *Sigset_t) (n int, err error) {
 	r0, e1 := callpselect(nfd, uintptr(unsafe.Pointer(r)), uintptr(unsafe.Pointer(w)), uintptr(unsafe.Pointer(e)), uintptr(unsafe.Pointer(timeout)), uintptr(unsafe.Pointer(sigmask)))
 	n = int(r0)
@@ -1189,7 +1200,7 @@ func sendto(s int, buf []byte, flags int, to unsafe.Pointer, addrlen _Socklen) (
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func recvmsg(s int, msg *Msghdr, flags int) (n int, err error) {
-	r0, e1 := callrecvmsg(s, uintptr(unsafe.Pointer(msg)), flags)
+	r0, e1 := callnrecvmsg(s, uintptr(unsafe.Pointer(msg)), flags)
 	n = int(r0)
 	if e1 != 0 {
 		err = errnoErr(e1)
@@ -1200,7 +1211,7 @@ func recvmsg(s int, msg *Msghdr, flags int) (n int, err error) {
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func sendmsg(s int, msg *Msghdr, flags int) (n int, err error) {
-	r0, e1 := callsendmsg(s, uintptr(unsafe.Pointer(msg)), flags)
+	r0, e1 := callnsendmsg(s, uintptr(unsafe.Pointer(msg)), flags)
 	n = int(r0)
 	if e1 != 0 {
 		err = errnoErr(e1)
@@ -1375,6 +1386,21 @@ func Getsystemcfg(label int) (n uint64) {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func umount(target string) (err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(target)
+	if err != nil {
+		return
+	}
+	_, e1 := callumount(uintptr(unsafe.Pointer(_p0)))
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func Getrlimit(resource int, rlim *Rlimit) (err error) {
 	_, e1 := callgetrlimit(resource, uintptr(unsafe.Pointer(rlim)))
 	if e1 != 0 {

src/cmd/vendor/golang.org/x/sys/unix/zsyscall_aix_ppc64_gc.go

@@ -85,6 +85,7 @@ import (
 //go:cgo_import_dynamic libc_pause pause "libc.a/shr_64.o"
 //go:cgo_import_dynamic libc_pread64 pread64 "libc.a/shr_64.o"
 //go:cgo_import_dynamic libc_pwrite64 pwrite64 "libc.a/shr_64.o"
+//go:cgo_import_dynamic libc_select select "libc.a/shr_64.o"
 //go:cgo_import_dynamic libc_pselect pselect "libc.a/shr_64.o"
 //go:cgo_import_dynamic libc_setregid setregid "libc.a/shr_64.o"
 //go:cgo_import_dynamic libc_setreuid setreuid "libc.a/shr_64.o"
@@ -105,8 +106,8 @@ import (
 //go:cgo_import_dynamic libc_getsockname getsockname "libc.a/shr_64.o"
 //go:cgo_import_dynamic libc_recvfrom recvfrom "libc.a/shr_64.o"
 //go:cgo_import_dynamic libc_sendto sendto "libc.a/shr_64.o"
-//go:cgo_import_dynamic libc_recvmsg recvmsg "libc.a/shr_64.o"
-//go:cgo_import_dynamic libc_sendmsg sendmsg "libc.a/shr_64.o"
+//go:cgo_import_dynamic libc_nrecvmsg nrecvmsg "libc.a/shr_64.o"
+//go:cgo_import_dynamic libc_nsendmsg nsendmsg "libc.a/shr_64.o"
 //go:cgo_import_dynamic libc_munmap munmap "libc.a/shr_64.o"
 //go:cgo_import_dynamic libc_madvise madvise "libc.a/shr_64.o"
 //go:cgo_import_dynamic libc_mprotect mprotect "libc.a/shr_64.o"
@@ -121,6 +122,7 @@ import (
 //go:cgo_import_dynamic libc_time time "libc.a/shr_64.o"
 //go:cgo_import_dynamic libc_utime utime "libc.a/shr_64.o"
 //go:cgo_import_dynamic libc_getsystemcfg getsystemcfg "libc.a/shr_64.o"
+//go:cgo_import_dynamic libc_umount umount "libc.a/shr_64.o"
 //go:cgo_import_dynamic libc_getrlimit getrlimit "libc.a/shr_64.o"
 //go:cgo_import_dynamic libc_setrlimit setrlimit "libc.a/shr_64.o"
 //go:cgo_import_dynamic libc_lseek lseek "libc.a/shr_64.o"
@@ -201,6 +203,7 @@ import (
 //go:linkname libc_pause libc_pause
 //go:linkname libc_pread64 libc_pread64
 //go:linkname libc_pwrite64 libc_pwrite64
+//go:linkname libc_select libc_select
 //go:linkname libc_pselect libc_pselect
 //go:linkname libc_setregid libc_setregid
 //go:linkname libc_setreuid libc_setreuid
@@ -221,8 +224,8 @@ import (
 //go:linkname libc_getsockname libc_getsockname
 //go:linkname libc_recvfrom libc_recvfrom
 //go:linkname libc_sendto libc_sendto
-//go:linkname libc_recvmsg libc_recvmsg
-//go:linkname libc_sendmsg libc_sendmsg
+//go:linkname libc_nrecvmsg libc_nrecvmsg
+//go:linkname libc_nsendmsg libc_nsendmsg
 //go:linkname libc_munmap libc_munmap
 //go:linkname libc_madvise libc_madvise
 //go:linkname libc_mprotect libc_mprotect
@@ -237,6 +240,7 @@ import (
 //go:linkname libc_time libc_time
 //go:linkname libc_utime libc_utime
 //go:linkname libc_getsystemcfg libc_getsystemcfg
+//go:linkname libc_umount libc_umount
 //go:linkname libc_getrlimit libc_getrlimit
 //go:linkname libc_setrlimit libc_setrlimit
 //go:linkname libc_lseek libc_lseek
@@ -320,6 +324,7 @@ var (
 	libc_pause,
 	libc_pread64,
 	libc_pwrite64,
+	libc_select,
 	libc_pselect,
 	libc_setregid,
 	libc_setreuid,
@@ -340,8 +345,8 @@ var (
 	libc_getsockname,
 	libc_recvfrom,
 	libc_sendto,
-	libc_recvmsg,
-	libc_sendmsg,
+	libc_nrecvmsg,
+	libc_nsendmsg,
 	libc_munmap,
 	libc_madvise,
 	libc_mprotect,
@@ -356,6 +361,7 @@ var (
 	libc_time,
 	libc_utime,
 	libc_getsystemcfg,
+	libc_umount,
 	libc_getrlimit,
 	libc_setrlimit,
 	libc_lseek,
@@ -893,6 +899,13 @@ func callpwrite64(fd int, _p0 uintptr, _lenp0 int, offset int64) (r1 uintptr, e1
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func callselect(nfd int, r uintptr, w uintptr, e uintptr, timeout uintptr) (r1 uintptr, e1 Errno) {
+	r1, _, e1 = syscall6(uintptr(unsafe.Pointer(&libc_select)), 5, uintptr(nfd), r, w, e, timeout, 0)
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func callpselect(nfd int, r uintptr, w uintptr, e uintptr, timeout uintptr, sigmask uintptr) (r1 uintptr, e1 Errno) {
 	r1, _, e1 = syscall6(uintptr(unsafe.Pointer(&libc_pselect)), 6, uintptr(nfd), r, w, e, timeout, sigmask)
 	return
@@ -1033,15 +1046,15 @@ func callsendto(s int, _p0 uintptr, _lenp0 int, flags int, to uintptr, addrlen u
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
-func callrecvmsg(s int, msg uintptr, flags int) (r1 uintptr, e1 Errno) {
-	r1, _, e1 = syscall6(uintptr(unsafe.Pointer(&libc_recvmsg)), 3, uintptr(s), msg, uintptr(flags), 0, 0, 0)
+func callnrecvmsg(s int, msg uintptr, flags int) (r1 uintptr, e1 Errno) {
+	r1, _, e1 = syscall6(uintptr(unsafe.Pointer(&libc_nrecvmsg)), 3, uintptr(s), msg, uintptr(flags), 0, 0, 0)
 	return
 }
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
-func callsendmsg(s int, msg uintptr, flags int) (r1 uintptr, e1 Errno) {
-	r1, _, e1 = syscall6(uintptr(unsafe.Pointer(&libc_sendmsg)), 3, uintptr(s), msg, uintptr(flags), 0, 0, 0)
+func callnsendmsg(s int, msg uintptr, flags int) (r1 uintptr, e1 Errno) {
+	r1, _, e1 = syscall6(uintptr(unsafe.Pointer(&libc_nsendmsg)), 3, uintptr(s), msg, uintptr(flags), 0, 0, 0)
 	return
 }
 
@@ -1145,6 +1158,13 @@ func callgetsystemcfg(label int) (r1 uintptr, e1 Errno) {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func callumount(_p0 uintptr) (r1 uintptr, e1 Errno) {
+	r1, _, e1 = syscall6(uintptr(unsafe.Pointer(&libc_umount)), 1, _p0, 0, 0, 0, 0, 0)
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func callgetrlimit(resource int, rlim uintptr) (r1 uintptr, e1 Errno) {
 	r1, _, e1 = rawSyscall6(uintptr(unsafe.Pointer(&libc_getrlimit)), 2, uintptr(resource), rlim, 0, 0, 0, 0)
 	return

src/cmd/vendor/golang.org/x/sys/unix/zsyscall_aix_ppc64_gccgo.go

@@ -83,6 +83,8 @@ int lstat(uintptr_t, uintptr_t);
 int pause();
 int pread64(int, uintptr_t, size_t, long long);
 int pwrite64(int, uintptr_t, size_t, long long);
+#define c_select select
+int select(int, uintptr_t, uintptr_t, uintptr_t, uintptr_t);
 int pselect(int, uintptr_t, uintptr_t, uintptr_t, uintptr_t, uintptr_t);
 int setregid(int, int);
 int setreuid(int, int);
@@ -103,8 +105,8 @@ int getpeername(int, uintptr_t, uintptr_t);
 int getsockname(int, uintptr_t, uintptr_t);
 int recvfrom(int, uintptr_t, size_t, int, uintptr_t, uintptr_t);
 int sendto(int, uintptr_t, size_t, int, uintptr_t, uintptr_t);
-int recvmsg(int, uintptr_t, int);
-int sendmsg(int, uintptr_t, int);
+int nrecvmsg(int, uintptr_t, int);
+int nsendmsg(int, uintptr_t, int);
 int munmap(uintptr_t, uintptr_t);
 int madvise(uintptr_t, size_t, int);
 int mprotect(uintptr_t, size_t, int);
@@ -119,6 +121,7 @@ int gettimeofday(uintptr_t, uintptr_t);
 int time(uintptr_t);
 int utime(uintptr_t, uintptr_t);
 unsigned long long getsystemcfg(int);
+int umount(uintptr_t);
 int getrlimit(int, uintptr_t);
 int setrlimit(int, uintptr_t);
 long long lseek(int, long long, int);
@@ -732,6 +735,14 @@ func callpwrite64(fd int, _p0 uintptr, _lenp0 int, offset int64) (r1 uintptr, e1
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func callselect(nfd int, r uintptr, w uintptr, e uintptr, timeout uintptr) (r1 uintptr, e1 Errno) {
+	r1 = uintptr(C.c_select(C.int(nfd), C.uintptr_t(r), C.uintptr_t(w), C.uintptr_t(e), C.uintptr_t(timeout)))
+	e1 = syscall.GetErrno()
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func callpselect(nfd int, r uintptr, w uintptr, e uintptr, timeout uintptr, sigmask uintptr) (r1 uintptr, e1 Errno) {
 	r1 = uintptr(C.pselect(C.int(nfd), C.uintptr_t(r), C.uintptr_t(w), C.uintptr_t(e), C.uintptr_t(timeout), C.uintptr_t(sigmask)))
 	e1 = syscall.GetErrno()
@@ -892,16 +903,16 @@ func callsendto(s int, _p0 uintptr, _lenp0 int, flags int, to uintptr, addrlen u
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
-func callrecvmsg(s int, msg uintptr, flags int) (r1 uintptr, e1 Errno) {
-	r1 = uintptr(C.recvmsg(C.int(s), C.uintptr_t(msg), C.int(flags)))
+func callnrecvmsg(s int, msg uintptr, flags int) (r1 uintptr, e1 Errno) {
+	r1 = uintptr(C.nrecvmsg(C.int(s), C.uintptr_t(msg), C.int(flags)))
 	e1 = syscall.GetErrno()
 	return
 }
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
-func callsendmsg(s int, msg uintptr, flags int) (r1 uintptr, e1 Errno) {
-	r1 = uintptr(C.sendmsg(C.int(s), C.uintptr_t(msg), C.int(flags)))
+func callnsendmsg(s int, msg uintptr, flags int) (r1 uintptr, e1 Errno) {
+	r1 = uintptr(C.nsendmsg(C.int(s), C.uintptr_t(msg), C.int(flags)))
 	e1 = syscall.GetErrno()
 	return
 }
@@ -1020,6 +1031,14 @@ func callgetsystemcfg(label int) (r1 uintptr, e1 Errno) {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func callumount(_p0 uintptr) (r1 uintptr, e1 Errno) {
+	r1 = uintptr(C.umount(C.uintptr_t(_p0)))
+	e1 = syscall.GetErrno()
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func callgetrlimit(resource int, rlim uintptr) (r1 uintptr, e1 Errno) {
 	r1 = uintptr(C.getrlimit(C.int(resource), C.uintptr_t(rlim)))
 	e1 = syscall.GetErrno()

src/cmd/vendor/golang.org/x/sys/unix/zsyscall_linux_386.go

@@ -1679,6 +1679,32 @@ func faccessat(dirfd int, path string, mode uint32) (err error) {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func nameToHandleAt(dirFD int, pathname string, fh *fileHandle, mountID *_C_int, flags int) (err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(pathname)
+	if err != nil {
+		return
+	}
+	_, _, e1 := Syscall6(SYS_NAME_TO_HANDLE_AT, uintptr(dirFD), uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(fh)), uintptr(unsafe.Pointer(mountID)), uintptr(flags), 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func openByHandleAt(mountFD int, fh *fileHandle, flags int) (fd int, err error) {
+	r0, _, e1 := Syscall(SYS_OPEN_BY_HANDLE_AT, uintptr(mountFD), uintptr(unsafe.Pointer(fh)), uintptr(flags))
+	fd = int(r0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func pipe(p *[2]_C_int) (err error) {
 	_, _, e1 := RawSyscall(SYS_PIPE, uintptr(unsafe.Pointer(p)), 0, 0)
 	if e1 != 0 {

src/cmd/vendor/golang.org/x/sys/unix/zsyscall_linux_amd64.go

@@ -1679,6 +1679,32 @@ func faccessat(dirfd int, path string, mode uint32) (err error) {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func nameToHandleAt(dirFD int, pathname string, fh *fileHandle, mountID *_C_int, flags int) (err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(pathname)
+	if err != nil {
+		return
+	}
+	_, _, e1 := Syscall6(SYS_NAME_TO_HANDLE_AT, uintptr(dirFD), uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(fh)), uintptr(unsafe.Pointer(mountID)), uintptr(flags), 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func openByHandleAt(mountFD int, fh *fileHandle, flags int) (fd int, err error) {
+	r0, _, e1 := Syscall(SYS_OPEN_BY_HANDLE_AT, uintptr(mountFD), uintptr(unsafe.Pointer(fh)), uintptr(flags))
+	fd = int(r0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func Dup2(oldfd int, newfd int) (err error) {
 	_, _, e1 := Syscall(SYS_DUP2, uintptr(oldfd), uintptr(newfd), 0)
 	if e1 != 0 {

src/cmd/vendor/golang.org/x/sys/unix/zsyscall_linux_arm.go

@@ -1679,6 +1679,32 @@ func faccessat(dirfd int, path string, mode uint32) (err error) {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func nameToHandleAt(dirFD int, pathname string, fh *fileHandle, mountID *_C_int, flags int) (err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(pathname)
+	if err != nil {
+		return
+	}
+	_, _, e1 := Syscall6(SYS_NAME_TO_HANDLE_AT, uintptr(dirFD), uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(fh)), uintptr(unsafe.Pointer(mountID)), uintptr(flags), 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func openByHandleAt(mountFD int, fh *fileHandle, flags int) (fd int, err error) {
+	r0, _, e1 := Syscall(SYS_OPEN_BY_HANDLE_AT, uintptr(mountFD), uintptr(unsafe.Pointer(fh)), uintptr(flags))
+	fd = int(r0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func pipe(p *[2]_C_int) (err error) {
 	_, _, e1 := RawSyscall(SYS_PIPE, uintptr(unsafe.Pointer(p)), 0, 0)
 	if e1 != 0 {

src/cmd/vendor/golang.org/x/sys/unix/zsyscall_linux_arm64.go

@@ -1679,6 +1679,32 @@ func faccessat(dirfd int, path string, mode uint32) (err error) {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func nameToHandleAt(dirFD int, pathname string, fh *fileHandle, mountID *_C_int, flags int) (err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(pathname)
+	if err != nil {
+		return
+	}
+	_, _, e1 := Syscall6(SYS_NAME_TO_HANDLE_AT, uintptr(dirFD), uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(fh)), uintptr(unsafe.Pointer(mountID)), uintptr(flags), 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func openByHandleAt(mountFD int, fh *fileHandle, flags int) (fd int, err error) {
+	r0, _, e1 := Syscall(SYS_OPEN_BY_HANDLE_AT, uintptr(mountFD), uintptr(unsafe.Pointer(fh)), uintptr(flags))
+	fd = int(r0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func EpollWait(epfd int, events []EpollEvent, msec int) (n int, err error) {
 	var _p0 unsafe.Pointer
 	if len(events) > 0 {

src/cmd/vendor/golang.org/x/sys/unix/zsyscall_linux_mips.go

@@ -1679,6 +1679,32 @@ func faccessat(dirfd int, path string, mode uint32) (err error) {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func nameToHandleAt(dirFD int, pathname string, fh *fileHandle, mountID *_C_int, flags int) (err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(pathname)
+	if err != nil {
+		return
+	}
+	_, _, e1 := Syscall6(SYS_NAME_TO_HANDLE_AT, uintptr(dirFD), uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(fh)), uintptr(unsafe.Pointer(mountID)), uintptr(flags), 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func openByHandleAt(mountFD int, fh *fileHandle, flags int) (fd int, err error) {
+	r0, _, e1 := Syscall(SYS_OPEN_BY_HANDLE_AT, uintptr(mountFD), uintptr(unsafe.Pointer(fh)), uintptr(flags))
+	fd = int(r0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func Dup2(oldfd int, newfd int) (err error) {
 	_, _, e1 := Syscall(SYS_DUP2, uintptr(oldfd), uintptr(newfd), 0)
 	if e1 != 0 {

src/cmd/vendor/golang.org/x/sys/unix/zsyscall_linux_mips64.go

@@ -1679,6 +1679,32 @@ func faccessat(dirfd int, path string, mode uint32) (err error) {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func nameToHandleAt(dirFD int, pathname string, fh *fileHandle, mountID *_C_int, flags int) (err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(pathname)
+	if err != nil {
+		return
+	}
+	_, _, e1 := Syscall6(SYS_NAME_TO_HANDLE_AT, uintptr(dirFD), uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(fh)), uintptr(unsafe.Pointer(mountID)), uintptr(flags), 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func openByHandleAt(mountFD int, fh *fileHandle, flags int) (fd int, err error) {
+	r0, _, e1 := Syscall(SYS_OPEN_BY_HANDLE_AT, uintptr(mountFD), uintptr(unsafe.Pointer(fh)), uintptr(flags))
+	fd = int(r0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func Dup2(oldfd int, newfd int) (err error) {
 	_, _, e1 := Syscall(SYS_DUP2, uintptr(oldfd), uintptr(newfd), 0)
 	if e1 != 0 {

src/cmd/vendor/golang.org/x/sys/unix/zsyscall_linux_mips64le.go

@@ -1679,6 +1679,32 @@ func faccessat(dirfd int, path string, mode uint32) (err error) {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func nameToHandleAt(dirFD int, pathname string, fh *fileHandle, mountID *_C_int, flags int) (err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(pathname)
+	if err != nil {
+		return
+	}
+	_, _, e1 := Syscall6(SYS_NAME_TO_HANDLE_AT, uintptr(dirFD), uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(fh)), uintptr(unsafe.Pointer(mountID)), uintptr(flags), 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func openByHandleAt(mountFD int, fh *fileHandle, flags int) (fd int, err error) {
+	r0, _, e1 := Syscall(SYS_OPEN_BY_HANDLE_AT, uintptr(mountFD), uintptr(unsafe.Pointer(fh)), uintptr(flags))
+	fd = int(r0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func Dup2(oldfd int, newfd int) (err error) {
 	_, _, e1 := Syscall(SYS_DUP2, uintptr(oldfd), uintptr(newfd), 0)
 	if e1 != 0 {

src/cmd/vendor/golang.org/x/sys/unix/zsyscall_linux_mipsle.go

@@ -1679,6 +1679,32 @@ func faccessat(dirfd int, path string, mode uint32) (err error) {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func nameToHandleAt(dirFD int, pathname string, fh *fileHandle, mountID *_C_int, flags int) (err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(pathname)
+	if err != nil {
+		return
+	}
+	_, _, e1 := Syscall6(SYS_NAME_TO_HANDLE_AT, uintptr(dirFD), uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(fh)), uintptr(unsafe.Pointer(mountID)), uintptr(flags), 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func openByHandleAt(mountFD int, fh *fileHandle, flags int) (fd int, err error) {
+	r0, _, e1 := Syscall(SYS_OPEN_BY_HANDLE_AT, uintptr(mountFD), uintptr(unsafe.Pointer(fh)), uintptr(flags))
+	fd = int(r0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func Dup2(oldfd int, newfd int) (err error) {
 	_, _, e1 := Syscall(SYS_DUP2, uintptr(oldfd), uintptr(newfd), 0)
 	if e1 != 0 {

src/cmd/vendor/golang.org/x/sys/unix/zsyscall_linux_ppc64.go

@@ -1679,6 +1679,32 @@ func faccessat(dirfd int, path string, mode uint32) (err error) {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func nameToHandleAt(dirFD int, pathname string, fh *fileHandle, mountID *_C_int, flags int) (err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(pathname)
+	if err != nil {
+		return
+	}
+	_, _, e1 := Syscall6(SYS_NAME_TO_HANDLE_AT, uintptr(dirFD), uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(fh)), uintptr(unsafe.Pointer(mountID)), uintptr(flags), 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func openByHandleAt(mountFD int, fh *fileHandle, flags int) (fd int, err error) {
+	r0, _, e1 := Syscall(SYS_OPEN_BY_HANDLE_AT, uintptr(mountFD), uintptr(unsafe.Pointer(fh)), uintptr(flags))
+	fd = int(r0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func Dup2(oldfd int, newfd int) (err error) {
 	_, _, e1 := Syscall(SYS_DUP2, uintptr(oldfd), uintptr(newfd), 0)
 	if e1 != 0 {

src/cmd/vendor/golang.org/x/sys/unix/zsyscall_linux_ppc64le.go

@@ -1679,6 +1679,32 @@ func faccessat(dirfd int, path string, mode uint32) (err error) {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func nameToHandleAt(dirFD int, pathname string, fh *fileHandle, mountID *_C_int, flags int) (err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(pathname)
+	if err != nil {
+		return
+	}
+	_, _, e1 := Syscall6(SYS_NAME_TO_HANDLE_AT, uintptr(dirFD), uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(fh)), uintptr(unsafe.Pointer(mountID)), uintptr(flags), 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func openByHandleAt(mountFD int, fh *fileHandle, flags int) (fd int, err error) {
+	r0, _, e1 := Syscall(SYS_OPEN_BY_HANDLE_AT, uintptr(mountFD), uintptr(unsafe.Pointer(fh)), uintptr(flags))
+	fd = int(r0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func Dup2(oldfd int, newfd int) (err error) {
 	_, _, e1 := Syscall(SYS_DUP2, uintptr(oldfd), uintptr(newfd), 0)
 	if e1 != 0 {

src/cmd/vendor/golang.org/x/sys/unix/zsyscall_linux_riscv64.go

@@ -1679,6 +1679,32 @@ func faccessat(dirfd int, path string, mode uint32) (err error) {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func nameToHandleAt(dirFD int, pathname string, fh *fileHandle, mountID *_C_int, flags int) (err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(pathname)
+	if err != nil {
+		return
+	}
+	_, _, e1 := Syscall6(SYS_NAME_TO_HANDLE_AT, uintptr(dirFD), uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(fh)), uintptr(unsafe.Pointer(mountID)), uintptr(flags), 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func openByHandleAt(mountFD int, fh *fileHandle, flags int) (fd int, err error) {
+	r0, _, e1 := Syscall(SYS_OPEN_BY_HANDLE_AT, uintptr(mountFD), uintptr(unsafe.Pointer(fh)), uintptr(flags))
+	fd = int(r0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func EpollWait(epfd int, events []EpollEvent, msec int) (n int, err error) {
 	var _p0 unsafe.Pointer
 	if len(events) > 0 {

src/cmd/vendor/golang.org/x/sys/unix/zsyscall_linux_s390x.go

@@ -1679,6 +1679,32 @@ func faccessat(dirfd int, path string, mode uint32) (err error) {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func nameToHandleAt(dirFD int, pathname string, fh *fileHandle, mountID *_C_int, flags int) (err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(pathname)
+	if err != nil {
+		return
+	}
+	_, _, e1 := Syscall6(SYS_NAME_TO_HANDLE_AT, uintptr(dirFD), uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(fh)), uintptr(unsafe.Pointer(mountID)), uintptr(flags), 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func openByHandleAt(mountFD int, fh *fileHandle, flags int) (fd int, err error) {
+	r0, _, e1 := Syscall(SYS_OPEN_BY_HANDLE_AT, uintptr(mountFD), uintptr(unsafe.Pointer(fh)), uintptr(flags))
+	fd = int(r0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func Dup2(oldfd int, newfd int) (err error) {
 	_, _, e1 := Syscall(SYS_DUP2, uintptr(oldfd), uintptr(newfd), 0)
 	if e1 != 0 {

src/cmd/vendor/golang.org/x/sys/unix/zsyscall_linux_sparc64.go

@@ -1679,6 +1679,32 @@ func faccessat(dirfd int, path string, mode uint32) (err error) {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func nameToHandleAt(dirFD int, pathname string, fh *fileHandle, mountID *_C_int, flags int) (err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(pathname)
+	if err != nil {
+		return
+	}
+	_, _, e1 := Syscall6(SYS_NAME_TO_HANDLE_AT, uintptr(dirFD), uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(fh)), uintptr(unsafe.Pointer(mountID)), uintptr(flags), 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func openByHandleAt(mountFD int, fh *fileHandle, flags int) (fd int, err error) {
+	r0, _, e1 := Syscall(SYS_OPEN_BY_HANDLE_AT, uintptr(mountFD), uintptr(unsafe.Pointer(fh)), uintptr(flags))
+	fd = int(r0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func EpollWait(epfd int, events []EpollEvent, msec int) (n int, err error) {
 	var _p0 unsafe.Pointer
 	if len(events) > 0 {

src/cmd/vendor/golang.org/x/sys/unix/ztypes_aix_ppc64.go

@@ -103,7 +103,6 @@ type Stat_t struct {
 	Gid      uint32
 	Rdev     uint64
 	Ssize    int32
-	_        [4]byte
 	Atim     StTimespec
 	Mtim     StTimespec
 	Ctim     StTimespec
@@ -205,10 +204,8 @@ type Linger struct {
 type Msghdr struct {
 	Name       *byte
 	Namelen    uint32
-	_          [4]byte
 	Iov        *Iovec
 	Iovlen     int32
-	_          [4]byte
 	Control    *byte
 	Controllen uint32
 	Flags      int32
@@ -339,7 +336,6 @@ type Statfs_t struct {
 	Ffree     uint64
 	Fsid      Fsid64_t
 	Vfstype   int32
-	_         [4]byte
 	Fsize     uint64
 	Vfsnumber int32
 	Vfsoff    int32

src/cmd/vendor/golang.org/x/sys/unix/ztypes_darwin_386.go

@@ -487,3 +487,13 @@ type Utsname struct {
 	Version  [256]byte
 	Machine  [256]byte
 }
+
+const SizeofClockinfo = 0x14
+
+type Clockinfo struct {
+	Hz      int32
+	Tick    int32
+	Tickadj int32
+	Stathz  int32
+	Profhz  int32
+}

src/cmd/vendor/golang.org/x/sys/unix/ztypes_darwin_amd64.go

@@ -497,3 +497,13 @@ type Utsname struct {
 	Version  [256]byte
 	Machine  [256]byte
 }
+
+const SizeofClockinfo = 0x14
+
+type Clockinfo struct {
+	Hz      int32
+	Tick    int32
+	Tickadj int32
+	Stathz  int32
+	Profhz  int32
+}

src/cmd/vendor/golang.org/x/sys/unix/ztypes_darwin_arm.go

@@ -488,3 +488,13 @@ type Utsname struct {
 	Version  [256]byte
 	Machine  [256]byte
 }
+
+const SizeofClockinfo = 0x14
+
+type Clockinfo struct {
+	Hz      int32
+	Tick    int32
+	Tickadj int32
+	Stathz  int32
+	Profhz  int32
+}

src/cmd/vendor/golang.org/x/sys/unix/ztypes_darwin_arm64.go

@@ -497,3 +497,13 @@ type Utsname struct {
 	Version  [256]byte
 	Machine  [256]byte
 }
+
+const SizeofClockinfo = 0x14
+
+type Clockinfo struct {
+	Hz      int32
+	Tick    int32
+	Tickadj int32
+	Stathz  int32
+	Profhz  int32
+}

src/cmd/vendor/golang.org/x/sys/windows/mkerrors.go

+// Copyright 2019 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package windows
+
+//go:generate ./mkerrors.bash zerrors_windows.go

src/cmd/vendor/golang.org/x/sys/windows/service.go

@@ -99,8 +99,6 @@ const (
 	SERVICE_CONFIG_DESCRIPTION     = 1
 	SERVICE_CONFIG_FAILURE_ACTIONS = 2
 
-	NO_ERROR = 0
-
 	SC_ENUM_PROCESS_INFO = 0
 )