unix: add *at functions (POSIX.1-2008) on darwin/{arm,arm64}

Follow golang.org/cl/50450 and add the Faccessat, Fchmodat, Fchownat,
Linkat, Mkdirat, Openat, Readlinkat, Renameat, Symlinkat and Unlinkat
functions (to conform to POSIX.1-2008) for darwin/arm and darwin/amd64.
Also add the missing AT_* constants.

Generated on Mac OS 10.11 (Darwin 15.6.0). This also regenerates the
syscall numbers for arm and arm64 akin to golang.org/cl/14151

Also fix the mksysnum call in mkall.sh to work for darwin/arm.

Fixes golang/go#14457

Change-Id: Ia3c36dbca9e6f1e4873afdfafcc4f7d8050644f9
Reviewed-on: https://go-review.googlesource.com/54271
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
Run-TryBot: Brad Fitzpatrick <bradfitz@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
diff --git a/unix/mkall.sh b/unix/mkall.sh
index f0d6566..09b3c7a 100755
--- a/unix/mkall.sh
+++ b/unix/mkall.sh
@@ -72,7 +72,7 @@
 	;;
 darwin_arm)
 	mkerrors="$mkerrors"
-	mksysnum="./mksysnum_darwin.pl /usr/include/sys/syscall.h"
+	mksysnum="./mksysnum_darwin.pl $(xcrun --show-sdk-path --sdk iphoneos)/usr/include/sys/syscall.h"
 	mktypes="GOARCH=$GOARCH go tool cgo -godefs"
 	;;
 darwin_arm64)
diff --git a/unix/zsyscall_darwin_arm.go b/unix/zsyscall_darwin_arm.go
index f4566bd..6e5bd75 100644
--- a/unix/zsyscall_darwin_arm.go
+++ b/unix/zsyscall_darwin_arm.go
@@ -221,7 +221,7 @@
 	} else {
 		_p0 = unsafe.Pointer(&_zero)
 	}
-	_, _, e1 := Syscall6(SYS___SYSCTL, uintptr(_p0), uintptr(len(mib)), uintptr(unsafe.Pointer(old)), uintptr(unsafe.Pointer(oldlen)), uintptr(unsafe.Pointer(new)), uintptr(newlen))
+	_, _, e1 := Syscall6(SYS_SYSCTL, uintptr(_p0), uintptr(len(mib)), uintptr(unsafe.Pointer(old)), uintptr(unsafe.Pointer(oldlen)), uintptr(unsafe.Pointer(new)), uintptr(newlen))
 	if e1 != 0 {
 		err = errnoErr(e1)
 	}
@@ -466,6 +466,21 @@
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func Faccessat(dirfd int, path string, mode uint32, flags int) (err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(path)
+	if err != nil {
+		return
+	}
+	_, _, e1 := Syscall6(SYS_FACCESSAT, uintptr(dirfd), uintptr(unsafe.Pointer(_p0)), uintptr(mode), uintptr(flags), 0, 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func Fchdir(fd int) (err error) {
 	_, _, e1 := Syscall(SYS_FCHDIR, uintptr(fd), 0, 0)
 	if e1 != 0 {
@@ -496,6 +511,21 @@
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func Fchmodat(dirfd int, path string, mode uint32, flags int) (err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(path)
+	if err != nil {
+		return
+	}
+	_, _, e1 := Syscall6(SYS_FCHMODAT, uintptr(dirfd), uintptr(unsafe.Pointer(_p0)), uintptr(mode), uintptr(flags), 0, 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func Fchown(fd int, uid int, gid int) (err error) {
 	_, _, e1 := Syscall(SYS_FCHOWN, uintptr(fd), uintptr(uid), uintptr(gid))
 	if e1 != 0 {
@@ -506,6 +536,21 @@
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func Fchownat(dirfd int, path string, uid int, gid int, flags int) (err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(path)
+	if err != nil {
+		return
+	}
+	_, _, e1 := Syscall6(SYS_FCHOWNAT, uintptr(dirfd), uintptr(unsafe.Pointer(_p0)), uintptr(uid), uintptr(gid), uintptr(flags), 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func Flock(fd int, how int) (err error) {
 	_, _, e1 := Syscall(SYS_FLOCK, uintptr(fd), uintptr(how), 0)
 	if e1 != 0 {
@@ -755,6 +800,26 @@
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func Linkat(pathfd int, path string, linkfd int, link string, flags int) (err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(path)
+	if err != nil {
+		return
+	}
+	var _p1 *byte
+	_p1, err = BytePtrFromString(link)
+	if err != nil {
+		return
+	}
+	_, _, e1 := Syscall6(SYS_LINKAT, uintptr(pathfd), uintptr(unsafe.Pointer(_p0)), uintptr(linkfd), uintptr(unsafe.Pointer(_p1)), uintptr(flags), 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func Listen(s int, backlog int) (err error) {
 	_, _, e1 := Syscall(SYS_LISTEN, uintptr(s), uintptr(backlog), 0)
 	if e1 != 0 {
@@ -795,6 +860,21 @@
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func Mkdirat(dirfd int, path string, mode uint32) (err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(path)
+	if err != nil {
+		return
+	}
+	_, _, e1 := Syscall(SYS_MKDIRAT, uintptr(dirfd), uintptr(unsafe.Pointer(_p0)), uintptr(mode))
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func Mkfifo(path string, mode uint32) (err error) {
 	var _p0 *byte
 	_p0, err = BytePtrFromString(path)
@@ -909,6 +989,22 @@
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func Openat(dirfd int, path string, mode int, perm uint32) (fd int, err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(path)
+	if err != nil {
+		return
+	}
+	r0, _, e1 := Syscall6(SYS_OPENAT, uintptr(dirfd), uintptr(unsafe.Pointer(_p0)), uintptr(mode), uintptr(perm), 0, 0)
+	fd = int(r0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func Pathconf(path string, name int) (val int, err error) {
 	var _p0 *byte
 	_p0, err = BytePtrFromString(path)
@@ -998,6 +1094,28 @@
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func Readlinkat(dirfd int, path string, buf []byte) (n int, err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(path)
+	if err != nil {
+		return
+	}
+	var _p1 unsafe.Pointer
+	if len(buf) > 0 {
+		_p1 = unsafe.Pointer(&buf[0])
+	} else {
+		_p1 = unsafe.Pointer(&_zero)
+	}
+	r0, _, e1 := Syscall6(SYS_READLINKAT, uintptr(dirfd), uintptr(unsafe.Pointer(_p0)), uintptr(_p1), uintptr(len(buf)), 0, 0)
+	n = int(r0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func Rename(from string, to string) (err error) {
 	var _p0 *byte
 	_p0, err = BytePtrFromString(from)
@@ -1018,6 +1136,26 @@
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func Renameat(fromfd int, from string, tofd int, to string) (err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(from)
+	if err != nil {
+		return
+	}
+	var _p1 *byte
+	_p1, err = BytePtrFromString(to)
+	if err != nil {
+		return
+	}
+	_, _, e1 := Syscall6(SYS_RENAMEAT, uintptr(fromfd), uintptr(unsafe.Pointer(_p0)), uintptr(tofd), uintptr(unsafe.Pointer(_p1)), 0, 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func Revoke(path string) (err error) {
 	var _p0 *byte
 	_p0, err = BytePtrFromString(path)
@@ -1255,6 +1393,26 @@
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func Symlinkat(oldpath string, newdirfd int, newpath string) (err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(oldpath)
+	if err != nil {
+		return
+	}
+	var _p1 *byte
+	_p1, err = BytePtrFromString(newpath)
+	if err != nil {
+		return
+	}
+	_, _, e1 := Syscall(SYS_SYMLINKAT, uintptr(unsafe.Pointer(_p0)), uintptr(newdirfd), uintptr(unsafe.Pointer(_p1)))
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func Sync() (err error) {
 	_, _, e1 := Syscall(SYS_SYNC, 0, 0, 0)
 	if e1 != 0 {
@@ -1318,6 +1476,21 @@
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func Unlinkat(dirfd int, path string, flags int) (err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(path)
+	if err != nil {
+		return
+	}
+	_, _, e1 := Syscall(SYS_UNLINKAT, uintptr(dirfd), uintptr(unsafe.Pointer(_p0)), uintptr(flags))
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func Unmount(path string, flags int) (err error) {
 	var _p0 *byte
 	_p0, err = BytePtrFromString(path)
diff --git a/unix/zsyscall_darwin_arm64.go b/unix/zsyscall_darwin_arm64.go
index 9274b9a..7005b8d 100644
--- a/unix/zsyscall_darwin_arm64.go
+++ b/unix/zsyscall_darwin_arm64.go
@@ -466,6 +466,21 @@
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func Faccessat(dirfd int, path string, mode uint32, flags int) (err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(path)
+	if err != nil {
+		return
+	}
+	_, _, e1 := Syscall6(SYS_FACCESSAT, uintptr(dirfd), uintptr(unsafe.Pointer(_p0)), uintptr(mode), uintptr(flags), 0, 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func Fchdir(fd int) (err error) {
 	_, _, e1 := Syscall(SYS_FCHDIR, uintptr(fd), 0, 0)
 	if e1 != 0 {
@@ -496,6 +511,21 @@
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func Fchmodat(dirfd int, path string, mode uint32, flags int) (err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(path)
+	if err != nil {
+		return
+	}
+	_, _, e1 := Syscall6(SYS_FCHMODAT, uintptr(dirfd), uintptr(unsafe.Pointer(_p0)), uintptr(mode), uintptr(flags), 0, 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func Fchown(fd int, uid int, gid int) (err error) {
 	_, _, e1 := Syscall(SYS_FCHOWN, uintptr(fd), uintptr(uid), uintptr(gid))
 	if e1 != 0 {
@@ -506,6 +536,21 @@
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func Fchownat(dirfd int, path string, uid int, gid int, flags int) (err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(path)
+	if err != nil {
+		return
+	}
+	_, _, e1 := Syscall6(SYS_FCHOWNAT, uintptr(dirfd), uintptr(unsafe.Pointer(_p0)), uintptr(uid), uintptr(gid), uintptr(flags), 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func Flock(fd int, how int) (err error) {
 	_, _, e1 := Syscall(SYS_FLOCK, uintptr(fd), uintptr(how), 0)
 	if e1 != 0 {
@@ -755,6 +800,26 @@
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func Linkat(pathfd int, path string, linkfd int, link string, flags int) (err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(path)
+	if err != nil {
+		return
+	}
+	var _p1 *byte
+	_p1, err = BytePtrFromString(link)
+	if err != nil {
+		return
+	}
+	_, _, e1 := Syscall6(SYS_LINKAT, uintptr(pathfd), uintptr(unsafe.Pointer(_p0)), uintptr(linkfd), uintptr(unsafe.Pointer(_p1)), uintptr(flags), 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func Listen(s int, backlog int) (err error) {
 	_, _, e1 := Syscall(SYS_LISTEN, uintptr(s), uintptr(backlog), 0)
 	if e1 != 0 {
@@ -795,6 +860,21 @@
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func Mkdirat(dirfd int, path string, mode uint32) (err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(path)
+	if err != nil {
+		return
+	}
+	_, _, e1 := Syscall(SYS_MKDIRAT, uintptr(dirfd), uintptr(unsafe.Pointer(_p0)), uintptr(mode))
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func Mkfifo(path string, mode uint32) (err error) {
 	var _p0 *byte
 	_p0, err = BytePtrFromString(path)
@@ -909,6 +989,22 @@
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func Openat(dirfd int, path string, mode int, perm uint32) (fd int, err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(path)
+	if err != nil {
+		return
+	}
+	r0, _, e1 := Syscall6(SYS_OPENAT, uintptr(dirfd), uintptr(unsafe.Pointer(_p0)), uintptr(mode), uintptr(perm), 0, 0)
+	fd = int(r0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func Pathconf(path string, name int) (val int, err error) {
 	var _p0 *byte
 	_p0, err = BytePtrFromString(path)
@@ -998,6 +1094,28 @@
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func Readlinkat(dirfd int, path string, buf []byte) (n int, err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(path)
+	if err != nil {
+		return
+	}
+	var _p1 unsafe.Pointer
+	if len(buf) > 0 {
+		_p1 = unsafe.Pointer(&buf[0])
+	} else {
+		_p1 = unsafe.Pointer(&_zero)
+	}
+	r0, _, e1 := Syscall6(SYS_READLINKAT, uintptr(dirfd), uintptr(unsafe.Pointer(_p0)), uintptr(_p1), uintptr(len(buf)), 0, 0)
+	n = int(r0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func Rename(from string, to string) (err error) {
 	var _p0 *byte
 	_p0, err = BytePtrFromString(from)
@@ -1018,6 +1136,26 @@
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func Renameat(fromfd int, from string, tofd int, to string) (err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(from)
+	if err != nil {
+		return
+	}
+	var _p1 *byte
+	_p1, err = BytePtrFromString(to)
+	if err != nil {
+		return
+	}
+	_, _, e1 := Syscall6(SYS_RENAMEAT, uintptr(fromfd), uintptr(unsafe.Pointer(_p0)), uintptr(tofd), uintptr(unsafe.Pointer(_p1)), 0, 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func Revoke(path string) (err error) {
 	var _p0 *byte
 	_p0, err = BytePtrFromString(path)
@@ -1255,6 +1393,26 @@
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func Symlinkat(oldpath string, newdirfd int, newpath string) (err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(oldpath)
+	if err != nil {
+		return
+	}
+	var _p1 *byte
+	_p1, err = BytePtrFromString(newpath)
+	if err != nil {
+		return
+	}
+	_, _, e1 := Syscall(SYS_SYMLINKAT, uintptr(unsafe.Pointer(_p0)), uintptr(newdirfd), uintptr(unsafe.Pointer(_p1)))
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func Sync() (err error) {
 	_, _, e1 := Syscall(SYS_SYNC, 0, 0, 0)
 	if e1 != 0 {
@@ -1318,6 +1476,21 @@
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func Unlinkat(dirfd int, path string, flags int) (err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(path)
+	if err != nil {
+		return
+	}
+	_, _, e1 := Syscall(SYS_UNLINKAT, uintptr(dirfd), uintptr(unsafe.Pointer(_p0)), uintptr(flags))
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func Unmount(path string, flags int) (err error) {
 	var _p0 *byte
 	_p0, err = BytePtrFromString(path)
diff --git a/unix/zsysnum_darwin_arm.go b/unix/zsysnum_darwin_arm.go
index b8c9aea..41cb6ed 100644
--- a/unix/zsysnum_darwin_arm.go
+++ b/unix/zsysnum_darwin_arm.go
@@ -1,5 +1,5 @@
-// mksysnum_darwin.pl /usr/include/sys/syscall.h
-// MACHINE GENERATED BY THE ABOVE COMMAND; DO NOT EDIT
+// mksysnum_darwin.pl /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS10.2.sdk/usr/include/sys/syscall.h
+// Code generated by the command above; see README.md. DO NOT EDIT.
 
 // +build arm,darwin
 
@@ -121,12 +121,14 @@
 	SYS_CSOPS                          = 169
 	SYS_CSOPS_AUDITTOKEN               = 170
 	SYS_WAITID                         = 173
+	SYS_KDEBUG_TYPEFILTER              = 177
+	SYS_KDEBUG_TRACE_STRING            = 178
+	SYS_KDEBUG_TRACE64                 = 179
 	SYS_KDEBUG_TRACE                   = 180
 	SYS_SETGID                         = 181
 	SYS_SETEGID                        = 182
 	SYS_SETEUID                        = 183
 	SYS_SIGRETURN                      = 184
-	SYS_CHUD                           = 185
 	SYS_FDATASYNC                      = 187
 	SYS_STAT                           = 188
 	SYS_FSTAT                          = 189
@@ -140,17 +142,10 @@
 	SYS_LSEEK                          = 199
 	SYS_TRUNCATE                       = 200
 	SYS_FTRUNCATE                      = 201
-	SYS___SYSCTL                       = 202
+	SYS_SYSCTL                         = 202
 	SYS_MLOCK                          = 203
 	SYS_MUNLOCK                        = 204
 	SYS_UNDELETE                       = 205
-	SYS_ATSOCKET                       = 206
-	SYS_ATGETMSG                       = 207
-	SYS_ATPUTMSG                       = 208
-	SYS_ATPSNDREQ                      = 209
-	SYS_ATPSNDRSP                      = 210
-	SYS_ATPGETREQ                      = 211
-	SYS_ATPGETRSP                      = 212
 	SYS_OPEN_DPROTECTED_NP             = 216
 	SYS_GETATTRLIST                    = 220
 	SYS_SETATTRLIST                    = 221
@@ -202,9 +197,7 @@
 	SYS_SEM_WAIT                       = 271
 	SYS_SEM_TRYWAIT                    = 272
 	SYS_SEM_POST                       = 273
-	SYS_SEM_GETVALUE                   = 274
-	SYS_SEM_INIT                       = 275
-	SYS_SEM_DESTROY                    = 276
+	SYS_SYSCTLBYNAME                   = 274
 	SYS_OPEN_EXTENDED                  = 277
 	SYS_UMASK_EXTENDED                 = 278
 	SYS_STAT_EXTENDED                  = 279
@@ -286,7 +279,6 @@
 	SYS_KQUEUE                         = 362
 	SYS_KEVENT                         = 363
 	SYS_LCHOWN                         = 364
-	SYS_STACK_SNAPSHOT                 = 365
 	SYS_BSDTHREAD_REGISTER             = 366
 	SYS_WORKQ_OPEN                     = 367
 	SYS_WORKQ_KERNRETURN               = 368
@@ -295,6 +287,7 @@
 	SYS___OLD_SEMWAIT_SIGNAL_NOCANCEL  = 371
 	SYS_THREAD_SELFID                  = 372
 	SYS_LEDGER                         = 373
+	SYS_KEVENT_QOS                     = 374
 	SYS___MAC_EXECVE                   = 380
 	SYS___MAC_SYSCALL                  = 381
 	SYS___MAC_GET_FILE                 = 382
@@ -306,11 +299,8 @@
 	SYS___MAC_GET_FD                   = 388
 	SYS___MAC_SET_FD                   = 389
 	SYS___MAC_GET_PID                  = 390
-	SYS___MAC_GET_LCID                 = 391
-	SYS___MAC_GET_LCTX                 = 392
-	SYS___MAC_SET_LCTX                 = 393
-	SYS_SETLCID                        = 394
-	SYS_GETLCID                        = 395
+	SYS_PSELECT                        = 394
+	SYS_PSELECT_NOCANCEL               = 395
 	SYS_READ_NOCANCEL                  = 396
 	SYS_WRITE_NOCANCEL                 = 397
 	SYS_OPEN_NOCANCEL                  = 398
@@ -354,5 +344,83 @@
 	SYS_PID_SHUTDOWN_SOCKETS           = 436
 	SYS_SHARED_REGION_MAP_AND_SLIDE_NP = 438
 	SYS_KAS_INFO                       = 439
-	SYS_MAXSYSCALL                     = 440
+	SYS_MEMORYSTATUS_CONTROL           = 440
+	SYS_GUARDED_OPEN_NP                = 441
+	SYS_GUARDED_CLOSE_NP               = 442
+	SYS_GUARDED_KQUEUE_NP              = 443
+	SYS_CHANGE_FDGUARD_NP              = 444
+	SYS_USRCTL                         = 445
+	SYS_PROC_RLIMIT_CONTROL            = 446
+	SYS_CONNECTX                       = 447
+	SYS_DISCONNECTX                    = 448
+	SYS_PEELOFF                        = 449
+	SYS_SOCKET_DELEGATE                = 450
+	SYS_TELEMETRY                      = 451
+	SYS_PROC_UUID_POLICY               = 452
+	SYS_MEMORYSTATUS_GET_LEVEL         = 453
+	SYS_SYSTEM_OVERRIDE                = 454
+	SYS_VFS_PURGE                      = 455
+	SYS_SFI_CTL                        = 456
+	SYS_SFI_PIDCTL                     = 457
+	SYS_COALITION                      = 458
+	SYS_COALITION_INFO                 = 459
+	SYS_NECP_MATCH_POLICY              = 460
+	SYS_GETATTRLISTBULK                = 461
+	SYS_CLONEFILEAT                    = 462
+	SYS_OPENAT                         = 463
+	SYS_OPENAT_NOCANCEL                = 464
+	SYS_RENAMEAT                       = 465
+	SYS_FACCESSAT                      = 466
+	SYS_FCHMODAT                       = 467
+	SYS_FCHOWNAT                       = 468
+	SYS_FSTATAT                        = 469
+	SYS_FSTATAT64                      = 470
+	SYS_LINKAT                         = 471
+	SYS_UNLINKAT                       = 472
+	SYS_READLINKAT                     = 473
+	SYS_SYMLINKAT                      = 474
+	SYS_MKDIRAT                        = 475
+	SYS_GETATTRLISTAT                  = 476
+	SYS_PROC_TRACE_LOG                 = 477
+	SYS_BSDTHREAD_CTL                  = 478
+	SYS_OPENBYID_NP                    = 479
+	SYS_RECVMSG_X                      = 480
+	SYS_SENDMSG_X                      = 481
+	SYS_THREAD_SELFUSAGE               = 482
+	SYS_CSRCTL                         = 483
+	SYS_GUARDED_OPEN_DPROTECTED_NP     = 484
+	SYS_GUARDED_WRITE_NP               = 485
+	SYS_GUARDED_PWRITE_NP              = 486
+	SYS_GUARDED_WRITEV_NP              = 487
+	SYS_RENAMEATX_NP                   = 488
+	SYS_MREMAP_ENCRYPTED               = 489
+	SYS_NETAGENT_TRIGGER               = 490
+	SYS_STACK_SNAPSHOT_WITH_CONFIG     = 491
+	SYS_MICROSTACKSHOT                 = 492
+	SYS_GRAB_PGO_DATA                  = 493
+	SYS_PERSONA                        = 494
+	SYS_WORK_INTERVAL_CTL              = 499
+	SYS_GETENTROPY                     = 500
+	SYS_NECP_OPEN                      = 501
+	SYS_NECP_CLIENT_ACTION             = 502
+	SYS___NEXUS_OPEN                   = 503
+	SYS___NEXUS_REGISTER               = 504
+	SYS___NEXUS_DEREGISTER             = 505
+	SYS___NEXUS_CREATE                 = 506
+	SYS___NEXUS_DESTROY                = 507
+	SYS___NEXUS_GET_OPT                = 508
+	SYS___NEXUS_SET_OPT                = 509
+	SYS___CHANNEL_OPEN                 = 510
+	SYS___CHANNEL_GET_INFO             = 511
+	SYS___CHANNEL_SYNC                 = 512
+	SYS___CHANNEL_GET_OPT              = 513
+	SYS___CHANNEL_SET_OPT              = 514
+	SYS_ULOCK_WAIT                     = 515
+	SYS_ULOCK_WAKE                     = 516
+	SYS_FCLONEFILEAT                   = 517
+	SYS_FS_SNAPSHOT                    = 518
+	SYS_TERMINATE_WITH_PAYLOAD         = 520
+	SYS_ABORT_WITH_PAYLOAD             = 521
+	SYS_MAXSYSCALL                     = 522
+	SYS_INVALID                        = 63
 )
diff --git a/unix/zsysnum_darwin_arm64.go b/unix/zsysnum_darwin_arm64.go
index 26677eb..075816c 100644
--- a/unix/zsysnum_darwin_arm64.go
+++ b/unix/zsysnum_darwin_arm64.go
@@ -1,5 +1,5 @@
-// mksysnum_darwin.pl /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS8.4.sdk/usr/include/sys/syscall.h
-// MACHINE GENERATED BY THE ABOVE COMMAND; DO NOT EDIT
+// mksysnum_darwin.pl /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS10.2.sdk/usr/include/sys/syscall.h
+// Code generated by the command above; see README.md. DO NOT EDIT.
 
 // +build arm64,darwin
 
@@ -121,13 +121,14 @@
 	SYS_CSOPS                          = 169
 	SYS_CSOPS_AUDITTOKEN               = 170
 	SYS_WAITID                         = 173
+	SYS_KDEBUG_TYPEFILTER              = 177
+	SYS_KDEBUG_TRACE_STRING            = 178
 	SYS_KDEBUG_TRACE64                 = 179
 	SYS_KDEBUG_TRACE                   = 180
 	SYS_SETGID                         = 181
 	SYS_SETEGID                        = 182
 	SYS_SETEUID                        = 183
 	SYS_SIGRETURN                      = 184
-	SYS_CHUD                           = 185
 	SYS_FDATASYNC                      = 187
 	SYS_STAT                           = 188
 	SYS_FSTAT                          = 189
@@ -278,7 +279,6 @@
 	SYS_KQUEUE                         = 362
 	SYS_KEVENT                         = 363
 	SYS_LCHOWN                         = 364
-	SYS_STACK_SNAPSHOT                 = 365
 	SYS_BSDTHREAD_REGISTER             = 366
 	SYS_WORKQ_OPEN                     = 367
 	SYS_WORKQ_KERNRETURN               = 368
@@ -287,6 +287,7 @@
 	SYS___OLD_SEMWAIT_SIGNAL_NOCANCEL  = 371
 	SYS_THREAD_SELFID                  = 372
 	SYS_LEDGER                         = 373
+	SYS_KEVENT_QOS                     = 374
 	SYS___MAC_EXECVE                   = 380
 	SYS___MAC_SYSCALL                  = 381
 	SYS___MAC_GET_FILE                 = 382
@@ -298,11 +299,8 @@
 	SYS___MAC_GET_FD                   = 388
 	SYS___MAC_SET_FD                   = 389
 	SYS___MAC_GET_PID                  = 390
-	SYS___MAC_GET_LCID                 = 391
-	SYS___MAC_GET_LCTX                 = 392
-	SYS___MAC_SET_LCTX                 = 393
-	SYS_SETLCID                        = 394
-	SYS_GETLCID                        = 395
+	SYS_PSELECT                        = 394
+	SYS_PSELECT_NOCANCEL               = 395
 	SYS_READ_NOCANCEL                  = 396
 	SYS_WRITE_NOCANCEL                 = 397
 	SYS_OPEN_NOCANCEL                  = 398
@@ -351,6 +349,7 @@
 	SYS_GUARDED_CLOSE_NP               = 442
 	SYS_GUARDED_KQUEUE_NP              = 443
 	SYS_CHANGE_FDGUARD_NP              = 444
+	SYS_USRCTL                         = 445
 	SYS_PROC_RLIMIT_CONTROL            = 446
 	SYS_CONNECTX                       = 447
 	SYS_DISCONNECTX                    = 448
@@ -367,6 +366,7 @@
 	SYS_COALITION_INFO                 = 459
 	SYS_NECP_MATCH_POLICY              = 460
 	SYS_GETATTRLISTBULK                = 461
+	SYS_CLONEFILEAT                    = 462
 	SYS_OPENAT                         = 463
 	SYS_OPENAT_NOCANCEL                = 464
 	SYS_RENAMEAT                       = 465
@@ -392,7 +392,35 @@
 	SYS_GUARDED_WRITE_NP               = 485
 	SYS_GUARDED_PWRITE_NP              = 486
 	SYS_GUARDED_WRITEV_NP              = 487
-	SYS_RENAME_EXT                     = 488
+	SYS_RENAMEATX_NP                   = 488
 	SYS_MREMAP_ENCRYPTED               = 489
-	SYS_MAXSYSCALL                     = 490
+	SYS_NETAGENT_TRIGGER               = 490
+	SYS_STACK_SNAPSHOT_WITH_CONFIG     = 491
+	SYS_MICROSTACKSHOT                 = 492
+	SYS_GRAB_PGO_DATA                  = 493
+	SYS_PERSONA                        = 494
+	SYS_WORK_INTERVAL_CTL              = 499
+	SYS_GETENTROPY                     = 500
+	SYS_NECP_OPEN                      = 501
+	SYS_NECP_CLIENT_ACTION             = 502
+	SYS___NEXUS_OPEN                   = 503
+	SYS___NEXUS_REGISTER               = 504
+	SYS___NEXUS_DEREGISTER             = 505
+	SYS___NEXUS_CREATE                 = 506
+	SYS___NEXUS_DESTROY                = 507
+	SYS___NEXUS_GET_OPT                = 508
+	SYS___NEXUS_SET_OPT                = 509
+	SYS___CHANNEL_OPEN                 = 510
+	SYS___CHANNEL_GET_INFO             = 511
+	SYS___CHANNEL_SYNC                 = 512
+	SYS___CHANNEL_GET_OPT              = 513
+	SYS___CHANNEL_SET_OPT              = 514
+	SYS_ULOCK_WAIT                     = 515
+	SYS_ULOCK_WAKE                     = 516
+	SYS_FCLONEFILEAT                   = 517
+	SYS_FS_SNAPSHOT                    = 518
+	SYS_TERMINATE_WITH_PAYLOAD         = 520
+	SYS_ABORT_WITH_PAYLOAD             = 521
+	SYS_MAXSYSCALL                     = 522
+	SYS_INVALID                        = 63
 )
diff --git a/unix/ztypes_darwin_arm.go b/unix/ztypes_darwin_arm.go
index be3efa3..4dca0d4 100644
--- a/unix/ztypes_darwin_arm.go
+++ b/unix/ztypes_darwin_arm.go
@@ -454,3 +454,10 @@
 	Xpixel uint16
 	Ypixel uint16
 }
+
+const (
+	AT_FDCWD            = -0x2
+	AT_REMOVEDIR        = 0x80
+	AT_SYMLINK_FOLLOW   = 0x40
+	AT_SYMLINK_NOFOLLOW = 0x20
+)
diff --git a/unix/ztypes_darwin_arm64.go b/unix/ztypes_darwin_arm64.go
index 8756d04..f2881fd 100644
--- a/unix/ztypes_darwin_arm64.go
+++ b/unix/ztypes_darwin_arm64.go
@@ -462,3 +462,10 @@
 	Xpixel uint16
 	Ypixel uint16
 }
+
+const (
+	AT_FDCWD            = -0x2
+	AT_REMOVEDIR        = 0x80
+	AT_SYMLINK_FOLLOW   = 0x40
+	AT_SYMLINK_NOFOLLOW = 0x20
+)