reconcile merge

Signed-off-by: Huamin Chen <hchen@redhat.com>

vendor/golang.org/x/sys/cpu/cpu.go

@@ -36,3 +36,52 @@ var X86 struct {
 	HasSSE42     bool // Streaming SIMD extension 4 and 4.2
 	_            CacheLinePad
 }
+
+// ARM64 contains the supported CPU features of the
+// current ARMv8(aarch64) platform. If the current platform
+// is not arm64 then all feature flags are false.
+var ARM64 struct {
+	_           CacheLinePad
+	HasFP       bool // Floating-point instruction set (always available)
+	HasASIMD    bool // Advanced SIMD (always available)
+	HasEVTSTRM  bool // Event stream support
+	HasAES      bool // AES hardware implementation
+	HasPMULL    bool // Polynomial multiplication instruction set
+	HasSHA1     bool // SHA1 hardware implementation
+	HasSHA2     bool // SHA2 hardware implementation
+	HasCRC32    bool // CRC32 hardware implementation
+	HasATOMICS  bool // Atomic memory operation instruction set
+	HasFPHP     bool // Half precision floating-point instruction set
+	HasASIMDHP  bool // Advanced SIMD half precision instruction set
+	HasCPUID    bool // CPUID identification scheme registers
+	HasASIMDRDM bool // Rounding double multiply add/subtract instruction set
+	HasJSCVT    bool // Javascript conversion from floating-point to integer
+	HasFCMA     bool // Floating-point multiplication and addition of complex numbers
+	HasLRCPC    bool // Release Consistent processor consistent support
+	HasDCPOP    bool // Persistent memory support
+	HasSHA3     bool // SHA3 hardware implementation
+	HasSM3      bool // SM3 hardware implementation
+	HasSM4      bool // SM4 hardware implementation
+	HasASIMDDP  bool // Advanced SIMD double precision instruction set
+	HasSHA512   bool // SHA512 hardware implementation
+	HasSVE      bool // Scalable Vector Extensions
+	HasASIMDFHM bool // Advanced SIMD multiplication FP16 to FP32
+	_           CacheLinePad
+}
+
+// PPC64 contains the supported CPU features of the current ppc64/ppc64le platforms.
+// If the current platform is not ppc64/ppc64le then all feature flags are false.
+//
+// For ppc64/ppc64le, it is safe to check only for ISA level starting on ISA v3.00,
+// since there are no optional categories. There are some exceptions that also
+// require kernel support to work (DARN, SCV), so there are feature bits for
+// those as well. The minimum processor requirement is POWER8 (ISA 2.07).
+// The struct is padded to avoid false sharing.
+var PPC64 struct {
+	_        CacheLinePad
+	HasDARN  bool // Hardware random number generator (requires kernel enablement)
+	HasSCV   bool // Syscall vectored (requires kernel enablement)
+	IsPOWER8 bool // ISA v2.07 (POWER8)
+	IsPOWER9 bool // ISA v3.00 (POWER9)
+	_        CacheLinePad
+}

vendor/golang.org/x/sys/cpu/cpu_arm.go

@@ -5,3 +5,5 @@
 package cpu
 
 const cacheLineSize = 32
+
+func doinit() {}

vendor/golang.org/x/sys/cpu/cpu_arm64.go

@@ -5,3 +5,63 @@
 package cpu
 
 const cacheLineSize = 64
+
+// HWCAP/HWCAP2 bits. These are exposed by Linux.
+const (
+	hwcap_FP       = 1 << 0
+	hwcap_ASIMD    = 1 << 1
+	hwcap_EVTSTRM  = 1 << 2
+	hwcap_AES      = 1 << 3
+	hwcap_PMULL    = 1 << 4
+	hwcap_SHA1     = 1 << 5
+	hwcap_SHA2     = 1 << 6
+	hwcap_CRC32    = 1 << 7
+	hwcap_ATOMICS  = 1 << 8
+	hwcap_FPHP     = 1 << 9
+	hwcap_ASIMDHP  = 1 << 10
+	hwcap_CPUID    = 1 << 11
+	hwcap_ASIMDRDM = 1 << 12
+	hwcap_JSCVT    = 1 << 13
+	hwcap_FCMA     = 1 << 14
+	hwcap_LRCPC    = 1 << 15
+	hwcap_DCPOP    = 1 << 16
+	hwcap_SHA3     = 1 << 17
+	hwcap_SM3      = 1 << 18
+	hwcap_SM4      = 1 << 19
+	hwcap_ASIMDDP  = 1 << 20
+	hwcap_SHA512   = 1 << 21
+	hwcap_SVE      = 1 << 22
+	hwcap_ASIMDFHM = 1 << 23
+)
+
+func doinit() {
+	// HWCAP feature bits
+	ARM64.HasFP = isSet(HWCap, hwcap_FP)
+	ARM64.HasASIMD = isSet(HWCap, hwcap_ASIMD)
+	ARM64.HasEVTSTRM = isSet(HWCap, hwcap_EVTSTRM)
+	ARM64.HasAES = isSet(HWCap, hwcap_AES)
+	ARM64.HasPMULL = isSet(HWCap, hwcap_PMULL)
+	ARM64.HasSHA1 = isSet(HWCap, hwcap_SHA1)
+	ARM64.HasSHA2 = isSet(HWCap, hwcap_SHA2)
+	ARM64.HasCRC32 = isSet(HWCap, hwcap_CRC32)
+	ARM64.HasATOMICS = isSet(HWCap, hwcap_ATOMICS)
+	ARM64.HasFPHP = isSet(HWCap, hwcap_FPHP)
+	ARM64.HasASIMDHP = isSet(HWCap, hwcap_ASIMDHP)
+	ARM64.HasCPUID = isSet(HWCap, hwcap_CPUID)
+	ARM64.HasASIMDRDM = isSet(HWCap, hwcap_ASIMDRDM)
+	ARM64.HasJSCVT = isSet(HWCap, hwcap_JSCVT)
+	ARM64.HasFCMA = isSet(HWCap, hwcap_FCMA)
+	ARM64.HasLRCPC = isSet(HWCap, hwcap_LRCPC)
+	ARM64.HasDCPOP = isSet(HWCap, hwcap_DCPOP)
+	ARM64.HasSHA3 = isSet(HWCap, hwcap_SHA3)
+	ARM64.HasSM3 = isSet(HWCap, hwcap_SM3)
+	ARM64.HasSM4 = isSet(HWCap, hwcap_SM4)
+	ARM64.HasASIMDDP = isSet(HWCap, hwcap_ASIMDDP)
+	ARM64.HasSHA512 = isSet(HWCap, hwcap_SHA512)
+	ARM64.HasSVE = isSet(HWCap, hwcap_SVE)
+	ARM64.HasASIMDFHM = isSet(HWCap, hwcap_ASIMDFHM)
+}
+
+func isSet(hwc uint, value uint) bool {
+	return hwc&value != 0
+}

vendor/golang.org/x/sys/cpu/cpu_linux.go

@@ -0,0 +1,61 @@
+// Copyright 2018 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 !amd64,!amd64p32,!386
+
+package cpu
+
+import (
+	"encoding/binary"
+	"io/ioutil"
+	"runtime"
+)
+
+const (
+	_AT_HWCAP  = 16
+	_AT_HWCAP2 = 26
+
+	procAuxv = "/proc/self/auxv"
+
+	uintSize uint = 32 << (^uint(0) >> 63)
+)
+
+// For those platforms don't have a 'cpuid' equivalent we use HWCAP/HWCAP2
+// These are initialized in cpu_$GOARCH.go
+// and should not be changed after they are initialized.
+var HWCap uint
+var HWCap2 uint
+
+func init() {
+	buf, err := ioutil.ReadFile(procAuxv)
+	if err != nil {
+		panic("read proc auxv failed: " + err.Error())
+	}
+
+	pb := int(uintSize / 8)
+
+	for i := 0; i < len(buf)-pb*2; i += pb * 2 {
+		var tag, val uint
+		switch uintSize {
+		case 32:
+			tag = uint(binary.LittleEndian.Uint32(buf[i:]))
+			val = uint(binary.LittleEndian.Uint32(buf[i+pb:]))
+		case 64:
+			if runtime.GOARCH == "ppc64" {
+				tag = uint(binary.BigEndian.Uint64(buf[i:]))
+				val = uint(binary.BigEndian.Uint64(buf[i+pb:]))
+			} else {
+				tag = uint(binary.LittleEndian.Uint64(buf[i:]))
+				val = uint(binary.LittleEndian.Uint64(buf[i+pb:]))
+			}
+		}
+		switch tag {
+		case _AT_HWCAP:
+			HWCap = val
+		case _AT_HWCAP2:
+			HWCap2 = val
+		}
+	}
+	doinit()
+}

vendor/golang.org/x/sys/cpu/cpu_mips64x.go

@@ -7,3 +7,5 @@
 package cpu
 
 const cacheLineSize = 32
+
+func doinit() {}

vendor/golang.org/x/sys/cpu/cpu_mipsx.go

@@ -7,3 +7,5 @@
 package cpu
 
 const cacheLineSize = 32
+
+func doinit() {}

vendor/golang.org/x/sys/cpu/cpu_ppc64x.go

@@ -7,3 +7,26 @@
 package cpu
 
 const cacheLineSize = 128
+
+// HWCAP/HWCAP2 bits. These are exposed by the kernel.
+const (
+	// ISA Level
+	_PPC_FEATURE2_ARCH_2_07 = 0x80000000
+	_PPC_FEATURE2_ARCH_3_00 = 0x00800000
+
+	// CPU features
+	_PPC_FEATURE2_DARN = 0x00200000
+	_PPC_FEATURE2_SCV  = 0x00100000
+)
+
+func doinit() {
+	// HWCAP2 feature bits
+	PPC64.IsPOWER8 = isSet(HWCap2, _PPC_FEATURE2_ARCH_2_07)
+	PPC64.IsPOWER9 = isSet(HWCap2, _PPC_FEATURE2_ARCH_3_00)
+	PPC64.HasDARN = isSet(HWCap2, _PPC_FEATURE2_DARN)
+	PPC64.HasSCV = isSet(HWCap2, _PPC_FEATURE2_SCV)
+}
+
+func isSet(hwc uint, value uint) bool {
+	return hwc&value != 0
+}

vendor/golang.org/x/sys/cpu/cpu_s390x.go

@@ -5,3 +5,5 @@
 package cpu
 
 const cacheLineSize = 256
+
+func doinit() {}

vendor/golang.org/x/sys/cpu/cpu_test.go

@@ -26,3 +26,29 @@ func TestAVX2hasAVX(t *testing.T) {
 		}
 	}
 }
+
+func TestARM64minimalFeatures(t *testing.T) {
+	if runtime.GOARCH != "arm64" || runtime.GOOS != "linux" {
+		return
+	}
+	if !cpu.ARM64.HasASIMD {
+		t.Fatal("HasASIMD expected true, got false")
+	}
+	if !cpu.ARM64.HasFP {
+		t.Fatal("HasFP expected true, got false")
+	}
+}
+
+// On ppc64x, the ISA bit for POWER8 should always be set on POWER8 and beyond.
+func TestPPC64minimalFeatures(t *testing.T) {
+	// Do not run this with gccgo on ppc64, as it doesn't have POWER8 as a minimum
+	// requirement.
+	if runtime.Compiler == "gccgo" && runtime.GOARCH == "ppc64" {
+		t.Skip("gccgo does not require POWER8 on ppc64; skipping")
+	}
+	if runtime.GOARCH == "ppc64" || runtime.GOARCH == "ppc64le" {
+		if !cpu.PPC64.IsPOWER8 {
+			t.Fatal("IsPOWER8 expected true, got false")
+		}
+	}
+}

vendor/golang.org/x/sys/plan9/mksyscall.go

@@ -0,0 +1,393 @@
+// Copyright 2018 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 ignore
+
+/*
+This program reads a file containing function prototypes
+(like syscall_plan9.go) and generates system call bodies.
+The prototypes are marked by lines beginning with "//sys"
+and read like func declarations if //sys is replaced by func, but:
+	* The parameter lists must give a name for each argument.
+	  This includes return parameters.
+	* The parameter lists must give a type for each argument:
+	  the (x, y, z int) shorthand is not allowed.
+	* If the return parameter is an error number, it must be named errno.
+
+A line beginning with //sysnb is like //sys, except that the
+goroutine will not be suspended during the execution of the system
+call.  This must only be used for system calls which can never
+block, as otherwise the system call could cause all goroutines to
+hang.
+*/
+package main
+
+import (
+	"bufio"
+	"flag"
+	"fmt"
+	"os"
+	"regexp"
+	"strings"
+)
+
+var (
+	b32       = flag.Bool("b32", false, "32bit big-endian")
+	l32       = flag.Bool("l32", false, "32bit little-endian")
+	plan9     = flag.Bool("plan9", false, "plan9")
+	openbsd   = flag.Bool("openbsd", false, "openbsd")
+	netbsd    = flag.Bool("netbsd", false, "netbsd")
+	dragonfly = flag.Bool("dragonfly", false, "dragonfly")
+	arm       = flag.Bool("arm", false, "arm") // 64-bit value should use (even, odd)-pair
+	tags      = flag.String("tags", "", "build tags")
+	filename  = flag.String("output", "", "output file name (standard output if omitted)")
+)
+
+// cmdLine returns this programs's commandline arguments
+func cmdLine() string {
+	return "go run mksyscall.go " + strings.Join(os.Args[1:], " ")
+}
+
+// buildTags returns build tags
+func buildTags() string {
+	return *tags
+}
+
+// Param is function parameter
+type Param struct {
+	Name string
+	Type string
+}
+
+// usage prints the program usage
+func usage() {
+	fmt.Fprintf(os.Stderr, "usage: go run mksyscall.go [-b32 | -l32] [-tags x,y] [file ...]\n")
+	os.Exit(1)
+}
+
+// parseParamList parses parameter list and returns a slice of parameters
+func parseParamList(list string) []string {
+	list = strings.TrimSpace(list)
+	if list == "" {
+		return []string{}
+	}
+	return regexp.MustCompile(`\s*,\s*`).Split(list, -1)
+}
+
+// parseParam splits a parameter into name and type
+func parseParam(p string) Param {
+	ps := regexp.MustCompile(`^(\S*) (\S*)$`).FindStringSubmatch(p)
+	if ps == nil {
+		fmt.Fprintf(os.Stderr, "malformed parameter: %s\n", p)
+		os.Exit(1)
+	}
+	return Param{ps[1], ps[2]}
+}
+
+func main() {
+	// Get the OS and architecture (using GOARCH_TARGET if it exists)
+	goos := os.Getenv("GOOS")
+	goarch := os.Getenv("GOARCH_TARGET")
+	if goarch == "" {
+		goarch = os.Getenv("GOARCH")
+	}
+
+	// Check that we are using the Docker-based build system if we should
+	if goos == "linux" {
+		if os.Getenv("GOLANG_SYS_BUILD") != "docker" {
+			fmt.Fprintf(os.Stderr, "In the Docker-based build system, mksyscall should not be called directly.\n")
+			fmt.Fprintf(os.Stderr, "See README.md\n")
+			os.Exit(1)
+		}
+	}
+
+	flag.Usage = usage
+	flag.Parse()
+	if len(flag.Args()) <= 0 {
+		fmt.Fprintf(os.Stderr, "no files to parse provided\n")
+		usage()
+	}
+
+	endianness := ""
+	if *b32 {
+		endianness = "big-endian"
+	} else if *l32 {
+		endianness = "little-endian"
+	}
+
+	libc := false
+	if goos == "darwin" && strings.Contains(buildTags(), ",go1.12") {
+		libc = true
+	}
+	trampolines := map[string]bool{}
+
+	text := ""
+	for _, path := range flag.Args() {
+		file, err := os.Open(path)
+		if err != nil {
+			fmt.Fprintf(os.Stderr, err.Error())
+			os.Exit(1)
+		}
+		s := bufio.NewScanner(file)
+		for s.Scan() {
+			t := s.Text()
+			t = strings.TrimSpace(t)
+			t = regexp.MustCompile(`\s+`).ReplaceAllString(t, ` `)
+			nonblock := regexp.MustCompile(`^\/\/sysnb `).FindStringSubmatch(t)
+			if regexp.MustCompile(`^\/\/sys `).FindStringSubmatch(t) == nil && nonblock == nil {
+				continue
+			}
+
+			// Line must be of the form
+			//	func Open(path string, mode int, perm int) (fd int, errno error)
+			// Split into name, in params, out params.
+			f := regexp.MustCompile(`^\/\/sys(nb)? (\w+)\(([^()]*)\)\s*(?:\(([^()]+)\))?\s*(?:=\s*((?i)SYS_[A-Z0-9_]+))?$`).FindStringSubmatch(t)
+			if f == nil {
+				fmt.Fprintf(os.Stderr, "%s:%s\nmalformed //sys declaration\n", path, t)
+				os.Exit(1)
+			}
+			funct, inps, outps, sysname := f[2], f[3], f[4], f[5]
+
+			// Split argument lists on comma.
+			in := parseParamList(inps)
+			out := parseParamList(outps)
+
+			// Try in vain to keep people from editing this file.
+			// The theory is that they jump into the middle of the file
+			// without reading the header.
+			text += "// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT\n\n"
+
+			// Go function header.
+			outDecl := ""
+			if len(out) > 0 {
+				outDecl = fmt.Sprintf(" (%s)", strings.Join(out, ", "))
+			}
+			text += fmt.Sprintf("func %s(%s)%s {\n", funct, strings.Join(in, ", "), outDecl)
+
+			// Check if err return available
+			errvar := ""
+			for _, param := range out {
+				p := parseParam(param)
+				if p.Type == "error" {
+					errvar = p.Name
+					break
+				}
+			}
+
+			// Prepare arguments to Syscall.
+			var args []string
+			n := 0
+			for _, param := range in {
+				p := parseParam(param)
+				if regexp.MustCompile(`^\*`).FindStringSubmatch(p.Type) != nil {
+					args = append(args, "uintptr(unsafe.Pointer("+p.Name+"))")
+				} else if p.Type == "string" && errvar != "" {
+					text += fmt.Sprintf("\tvar _p%d *byte\n", n)
+					text += fmt.Sprintf("\t_p%d, %s = BytePtrFromString(%s)\n", n, errvar, p.Name)
+					text += fmt.Sprintf("\tif %s != nil {\n\t\treturn\n\t}\n", errvar)
+					args = append(args, fmt.Sprintf("uintptr(unsafe.Pointer(_p%d))", n))
+					n++
+				} else if p.Type == "string" {
+					fmt.Fprintf(os.Stderr, path+":"+funct+" uses string arguments, but has no error return\n")
+					text += fmt.Sprintf("\tvar _p%d *byte\n", n)
+					text += fmt.Sprintf("\t_p%d, _ = BytePtrFromString(%s)\n", n, p.Name)
+					args = append(args, fmt.Sprintf("uintptr(unsafe.Pointer(_p%d))", n))
+					n++
+				} else if regexp.MustCompile(`^\[\](.*)`).FindStringSubmatch(p.Type) != nil {
+					// Convert slice into pointer, length.
+					// Have to be careful not to take address of &a[0] if len == 0:
+					// pass dummy pointer in that case.
+					// Used to pass nil, but some OSes or simulators reject write(fd, nil, 0).
+					text += fmt.Sprintf("\tvar _p%d unsafe.Pointer\n", n)
+					text += fmt.Sprintf("\tif len(%s) > 0 {\n\t\t_p%d = unsafe.Pointer(&%s[0])\n\t}", p.Name, n, p.Name)
+					text += fmt.Sprintf(" else {\n\t\t_p%d = unsafe.Pointer(&_zero)\n\t}\n", n)
+					args = append(args, fmt.Sprintf("uintptr(_p%d)", n), fmt.Sprintf("uintptr(len(%s))", p.Name))
+					n++
+				} else if p.Type == "int64" && (*openbsd || *netbsd) {
+					args = append(args, "0")
+					if endianness == "big-endian" {
+						args = append(args, fmt.Sprintf("uintptr(%s>>32)", p.Name), fmt.Sprintf("uintptr(%s)", p.Name))
+					} else if endianness == "little-endian" {
+						args = append(args, fmt.Sprintf("uintptr(%s)", p.Name), fmt.Sprintf("uintptr(%s>>32)", p.Name))
+					} else {
+						args = append(args, fmt.Sprintf("uintptr(%s)", p.Name))
+					}
+				} else if p.Type == "int64" && *dragonfly {
+					if regexp.MustCompile(`^(?i)extp(read|write)`).FindStringSubmatch(funct) == nil {
+						args = append(args, "0")
+					}
+					if endianness == "big-endian" {
+						args = append(args, fmt.Sprintf("uintptr(%s>>32)", p.Name), fmt.Sprintf("uintptr(%s)", p.Name))
+					} else if endianness == "little-endian" {
+						args = append(args, fmt.Sprintf("uintptr(%s)", p.Name), fmt.Sprintf("uintptr(%s>>32)", p.Name))
+					} else {
+						args = append(args, fmt.Sprintf("uintptr(%s)", p.Name))
+					}
+				} else if p.Type == "int64" && endianness != "" {
+					if len(args)%2 == 1 && *arm {
+						// arm abi specifies 64-bit argument uses
+						// (even, odd) pair
+						args = append(args, "0")
+					}
+					if endianness == "big-endian" {
+						args = append(args, fmt.Sprintf("uintptr(%s>>32)", p.Name), fmt.Sprintf("uintptr(%s)", p.Name))
+					} else {
+						args = append(args, fmt.Sprintf("uintptr(%s)", p.Name), fmt.Sprintf("uintptr(%s>>32)", p.Name))
+					}
+				} else {
+					args = append(args, fmt.Sprintf("uintptr(%s)", p.Name))
+				}
+			}
+
+			// Determine which form to use; pad args with zeros.
+			asm := "Syscall"
+			if nonblock != nil {
+				if errvar == "" && goos == "linux" {
+					asm = "RawSyscallNoError"
+				} else {
+					asm = "RawSyscall"
+				}
+			} else {
+				if errvar == "" && goos == "linux" {
+					asm = "SyscallNoError"
+				}
+			}
+			if len(args) <= 3 {
+				for len(args) < 3 {
+					args = append(args, "0")
+				}
+			} else if len(args) <= 6 {
+				asm += "6"
+				for len(args) < 6 {
+					args = append(args, "0")
+				}
+			} else if len(args) <= 9 {
+				asm += "9"
+				for len(args) < 9 {
+					args = append(args, "0")
+				}
+			} else {
+				fmt.Fprintf(os.Stderr, "%s:%s too many arguments to system call\n", path, funct)
+			}
+
+			// System call number.
+			if sysname == "" {
+				sysname = "SYS_" + funct
+				sysname = regexp.MustCompile(`([a-z])([A-Z])`).ReplaceAllString(sysname, `${1}_$2`)
+				sysname = strings.ToUpper(sysname)
+			}
+
+			var libcFn string
+			if libc {
+				asm = "syscall_" + strings.ToLower(asm[:1]) + asm[1:] // internal syscall call
+				sysname = strings.TrimPrefix(sysname, "SYS_")         // remove SYS_
+				sysname = strings.ToLower(sysname)                    // lowercase
+				if sysname == "getdirentries64" {
+					// Special case - libSystem name and
+					// raw syscall name don't match.
+					sysname = "__getdirentries64"
+				}
+				libcFn = sysname
+				sysname = "funcPC(libc_" + sysname + "_trampoline)"
+			}
+
+			// Actual call.
+			arglist := strings.Join(args, ", ")
+			call := fmt.Sprintf("%s(%s, %s)", asm, sysname, arglist)
+
+			// Assign return values.
+			body := ""
+			ret := []string{"_", "_", "_"}
+			doErrno := false
+			for i := 0; i < len(out); i++ {
+				p := parseParam(out[i])
+				reg := ""
+				if p.Name == "err" && !*plan9 {
+					reg = "e1"
+					ret[2] = reg
+					doErrno = true
+				} else if p.Name == "err" && *plan9 {
+					ret[0] = "r0"
+					ret[2] = "e1"
+					break
+				} else {
+					reg = fmt.Sprintf("r%d", i)
+					ret[i] = reg
+				}
+				if p.Type == "bool" {
+					reg = fmt.Sprintf("%s != 0", reg)
+				}
+				if p.Type == "int64" && endianness != "" {
+					// 64-bit number in r1:r0 or r0:r1.
+					if i+2 > len(out) {
+						fmt.Fprintf(os.Stderr, "%s:%s not enough registers for int64 return\n", path, funct)
+					}
+					if endianness == "big-endian" {
+						reg = fmt.Sprintf("int64(r%d)<<32 | int64(r%d)", i, i+1)
+					} else {
+						reg = fmt.Sprintf("int64(r%d)<<32 | int64(r%d)", i+1, i)
+					}
+					ret[i] = fmt.Sprintf("r%d", i)
+					ret[i+1] = fmt.Sprintf("r%d", i+1)
+				}
+				if reg != "e1" || *plan9 {
+					body += fmt.Sprintf("\t%s = %s(%s)\n", p.Name, p.Type, reg)
+				}
+			}
+			if ret[0] == "_" && ret[1] == "_" && ret[2] == "_" {
+				text += fmt.Sprintf("\t%s\n", call)
+			} else {
+				if errvar == "" && goos == "linux" {
+					// raw syscall without error on Linux, see golang.org/issue/22924
+					text += fmt.Sprintf("\t%s, %s := %s\n", ret[0], ret[1], call)
+				} else {
+					text += fmt.Sprintf("\t%s, %s, %s := %s\n", ret[0], ret[1], ret[2], call)
+				}
+			}
+			text += body
+
+			if *plan9 && ret[2] == "e1" {
+				text += "\tif int32(r0) == -1 {\n"
+				text += "\t\terr = e1\n"
+				text += "\t}\n"
+			} else if doErrno {
+				text += "\tif e1 != 0 {\n"
+				text += "\t\terr = errnoErr(e1)\n"
+				text += "\t}\n"
+			}
+			text += "\treturn\n"
+			text += "}\n\n"
+
+			if libc && !trampolines[libcFn] {
+				// some system calls share a trampoline, like read and readlen.
+				trampolines[libcFn] = true
+				// Declare assembly trampoline.
+				text += fmt.Sprintf("func libc_%s_trampoline()\n", libcFn)
+				// Assembly trampoline calls the libc_* function, which this magic
+				// redirects to use the function from libSystem.
+				text += fmt.Sprintf("//go:linkname libc_%s libc_%s\n", libcFn, libcFn)
+				text += fmt.Sprintf("//go:cgo_import_dynamic libc_%s %s \"/usr/lib/libSystem.B.dylib\"\n", libcFn, libcFn)
+				text += "\n"
+			}
+		}
+		if err := s.Err(); err != nil {
+			fmt.Fprintf(os.Stderr, err.Error())
+			os.Exit(1)
+		}
+		file.Close()
+	}
+	fmt.Printf(srcTemplate, cmdLine(), buildTags(), text)
+}
+
+const srcTemplate = `// %s
+// Code generated by the command above; see README.md. DO NOT EDIT.
+
+// +build %s
+
+package plan9
+
+import "unsafe"
+
+%s
+`

vendor/golang.org/x/sys/plan9/mksyscall.pl

@@ -1,319 +0,0 @@
-#!/usr/bin/env perl
-# Copyright 2009 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.
-
-# This program reads a file containing function prototypes
-# (like syscall_plan9.go) and generates system call bodies.
-# The prototypes are marked by lines beginning with "//sys"
-# and read like func declarations if //sys is replaced by func, but:
-#	* The parameter lists must give a name for each argument.
-#	  This includes return parameters.
-#	* The parameter lists must give a type for each argument:
-#	  the (x, y, z int) shorthand is not allowed.
-#	* If the return parameter is an error number, it must be named errno.
-
-# A line beginning with //sysnb is like //sys, except that the
-# goroutine will not be suspended during the execution of the system
-# call.  This must only be used for system calls which can never
-# block, as otherwise the system call could cause all goroutines to
-# hang.
-
-use strict;
-
-my $cmdline = "mksyscall.pl " . join(' ', @ARGV);
-my $errors = 0;
-my $_32bit = "";
-my $plan9 = 0;
-my $openbsd = 0;
-my $netbsd = 0;
-my $dragonfly = 0;
-my $nacl = 0;
-my $arm = 0; # 64-bit value should use (even, odd)-pair
-
-if($ARGV[0] eq "-b32") {
-	$_32bit = "big-endian";
-	shift;
-} elsif($ARGV[0] eq "-l32") {
-	$_32bit = "little-endian";
-	shift;
-}
-if($ARGV[0] eq "-plan9") {
-	$plan9 = 1;
-	shift;
-}
-if($ARGV[0] eq "-openbsd") {
-	$openbsd = 1;
-	shift;
-}
-if($ARGV[0] eq "-netbsd") {
-	$netbsd = 1;
-	shift;
-}
-if($ARGV[0] eq "-dragonfly") {
-	$dragonfly = 1;
-	shift;
-}
-if($ARGV[0] eq "-nacl") {
-	$nacl = 1;
-	shift;
-}
-if($ARGV[0] eq "-arm") {
-	$arm = 1;
-	shift;
-}
-
-if($ARGV[0] =~ /^-/) {
-	print STDERR "usage: mksyscall.pl [-b32 | -l32] [file ...]\n";
-	exit 1;
-}
-
-sub parseparamlist($) {
-	my ($list) = @_;
-	$list =~ s/^\s*//;
-	$list =~ s/\s*$//;
-	if($list eq "") {
-		return ();
-	}
-	return split(/\s*,\s*/, $list);
-}
-
-sub parseparam($) {
-	my ($p) = @_;
-	if($p !~ /^(\S*) (\S*)$/) {
-		print STDERR "$ARGV:$.: malformed parameter: $p\n";
-		$errors = 1;
-		return ("xx", "int");
-	}
-	return ($1, $2);
-}
-
-my $text = "";
-while(<>) {
-	chomp;
-	s/\s+/ /g;
-	s/^\s+//;
-	s/\s+$//;
-	my $nonblock = /^\/\/sysnb /;
-	next if !/^\/\/sys / && !$nonblock;
-
-	# Line must be of the form
-	#	func Open(path string, mode int, perm int) (fd int, errno error)
-	# Split into name, in params, out params.
-	if(!/^\/\/sys(nb)? (\w+)\(([^()]*)\)\s*(?:\(([^()]+)\))?\s*(?:=\s*((?i)SYS_[A-Z0-9_]+))?$/) {
-		print STDERR "$ARGV:$.: malformed //sys declaration\n";
-		$errors = 1;
-		next;
-	}
-	my ($func, $in, $out, $sysname) = ($2, $3, $4, $5);
-
-	# Split argument lists on comma.
-	my @in = parseparamlist($in);
-	my @out = parseparamlist($out);
-
-	# Try in vain to keep people from editing this file.
-	# The theory is that they jump into the middle of the file
-	# without reading the header.
-	$text .= "// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT\n\n";
-
-	# Go function header.
-	my $out_decl = @out ? sprintf(" (%s)", join(', ', @out)) : "";
-	$text .= sprintf "func %s(%s)%s {\n", $func, join(', ', @in), $out_decl;
-
-	# Check if err return available
-	my $errvar = "";
-	foreach my $p (@out) {
-		my ($name, $type) = parseparam($p);
-		if($type eq "error") {
-			$errvar = $name;
-			last;
-		}
-	}
-
-	# Prepare arguments to Syscall.
-	my @args = ();
-	my @uses = ();
-	my $n = 0;
-	foreach my $p (@in) {
-		my ($name, $type) = parseparam($p);
-		if($type =~ /^\*/) {
-			push @args, "uintptr(unsafe.Pointer($name))";
-		} elsif($type eq "string" && $errvar ne "") {
-			$text .= "\tvar _p$n *byte\n";
-			$text .= "\t_p$n, $errvar = BytePtrFromString($name)\n";
-			$text .= "\tif $errvar != nil {\n\t\treturn\n\t}\n";
-			push @args, "uintptr(unsafe.Pointer(_p$n))";
-			push @uses, "use(unsafe.Pointer(_p$n))";
-			$n++;
-		} elsif($type eq "string") {
-			print STDERR "$ARGV:$.: $func uses string arguments, but has no error return\n";
-			$text .= "\tvar _p$n *byte\n";
-			$text .= "\t_p$n, _ = BytePtrFromString($name)\n";
-			push @args, "uintptr(unsafe.Pointer(_p$n))";
-			push @uses, "use(unsafe.Pointer(_p$n))";
-			$n++;
-		} elsif($type =~ /^\[\](.*)/) {
-			# Convert slice into pointer, length.
-			# Have to be careful not to take address of &a[0] if len == 0:
-			# pass dummy pointer in that case.
-			# Used to pass nil, but some OSes or simulators reject write(fd, nil, 0).
-			$text .= "\tvar _p$n unsafe.Pointer\n";
-			$text .= "\tif len($name) > 0 {\n\t\t_p$n = unsafe.Pointer(\&${name}[0])\n\t}";
-			$text .= " else {\n\t\t_p$n = unsafe.Pointer(&_zero)\n\t}";
-			$text .= "\n";
-			push @args, "uintptr(_p$n)", "uintptr(len($name))";
-			$n++;
-		} elsif($type eq "int64" && ($openbsd || $netbsd)) {
-			push @args, "0";
-			if($_32bit eq "big-endian") {
-				push @args, "uintptr($name>>32)", "uintptr($name)";
-			} elsif($_32bit eq "little-endian") {
-				push @args, "uintptr($name)", "uintptr($name>>32)";
-			} else {
-				push @args, "uintptr($name)";
-			}
-		} elsif($type eq "int64" && $dragonfly) {
-			if ($func !~ /^extp(read|write)/i) {
-				push @args, "0";
-			}
-			if($_32bit eq "big-endian") {
-				push @args, "uintptr($name>>32)", "uintptr($name)";
-			} elsif($_32bit eq "little-endian") {
-				push @args, "uintptr($name)", "uintptr($name>>32)";
-			} else {
-				push @args, "uintptr($name)";
-			}
-		} elsif($type eq "int64" && $_32bit ne "") {
-			if(@args % 2 && $arm) {
-				# arm abi specifies 64-bit argument uses 
-				# (even, odd) pair
-				push @args, "0"
-			}
-			if($_32bit eq "big-endian") {
-				push @args, "uintptr($name>>32)", "uintptr($name)";
-			} else {
-				push @args, "uintptr($name)", "uintptr($name>>32)";
-			}
-		} else {
-			push @args, "uintptr($name)";
-		}
-	}
-
-	# Determine which form to use; pad args with zeros.
-	my $asm = "Syscall";
-	if ($nonblock) {
-		$asm = "RawSyscall";
-	}
-	if(@args <= 3) {
-		while(@args < 3) {
-			push @args, "0";
-		}
-	} elsif(@args <= 6) {
-		$asm .= "6";
-		while(@args < 6) {
-			push @args, "0";
-		}
-	} elsif(@args <= 9) {
-		$asm .= "9";
-		while(@args < 9) {
-			push @args, "0";
-		}
-	} else {
-		print STDERR "$ARGV:$.: too many arguments to system call\n";
-	}
-
-	# System call number.
-	if($sysname eq "") {
-		$sysname = "SYS_$func";
-		$sysname =~ s/([a-z])([A-Z])/${1}_$2/g;	# turn FooBar into Foo_Bar
-		$sysname =~ y/a-z/A-Z/;
-		if($nacl) {
-			$sysname =~ y/A-Z/a-z/;
-		}
-	}
-
-	# Actual call.
-	my $args = join(', ', @args);
-	my $call = "$asm($sysname, $args)";
-
-	# Assign return values.
-	my $body = "";
-	my @ret = ("_", "_", "_");
-	my $do_errno = 0;
-	for(my $i=0; $i<@out; $i++) {
-		my $p = $out[$i];
-		my ($name, $type) = parseparam($p);
-		my $reg = "";
-		if($name eq "err" && !$plan9) {
-			$reg = "e1";
-			$ret[2] = $reg;
-			$do_errno = 1;
-		} elsif($name eq "err" && $plan9) {
-			$ret[0] = "r0";
-			$ret[2] = "e1";
-			next;
-		} else {
-			$reg = sprintf("r%d", $i);
-			$ret[$i] = $reg;
-		}
-		if($type eq "bool") {
-			$reg = "$reg != 0";
-		}
-		if($type eq "int64" && $_32bit ne "") {
-			# 64-bit number in r1:r0 or r0:r1.
-			if($i+2 > @out) {
-				print STDERR "$ARGV:$.: not enough registers for int64 return\n";
-			}
-			if($_32bit eq "big-endian") {
-				$reg = sprintf("int64(r%d)<<32 | int64(r%d)", $i, $i+1);
-			} else {
-				$reg = sprintf("int64(r%d)<<32 | int64(r%d)", $i+1, $i);
-			}
-			$ret[$i] = sprintf("r%d", $i);
-			$ret[$i+1] = sprintf("r%d", $i+1);
-		}
-		if($reg ne "e1" || $plan9) {
-			$body .= "\t$name = $type($reg)\n";
-		}
-	}
-	if ($ret[0] eq "_" && $ret[1] eq "_" && $ret[2] eq "_") {
-		$text .= "\t$call\n";
-	} else {
-		$text .= "\t$ret[0], $ret[1], $ret[2] := $call\n";
-	}
-	foreach my $use (@uses) {
-		$text .= "\t$use\n";
-	}
-	$text .= $body;
-	
-	if ($plan9 && $ret[2] eq "e1") {
-		$text .= "\tif int32(r0) == -1 {\n";
-		$text .= "\t\terr = e1\n";
-		$text .= "\t}\n";
-	} elsif ($do_errno) {
-		$text .= "\tif e1 != 0 {\n";
-		$text .= "\t\terr = e1\n";
-		$text .= "\t}\n";
-	}
-	$text .= "\treturn\n";
-	$text .= "}\n\n";
-}
-
-chomp $text;
-chomp $text;
-
-if($errors) {
-	exit 1;
-}
-
-print <<EOF;
-// $cmdline
-// Code generated by the command above; DO NOT EDIT.
-
-package plan9
-
-import "unsafe"
-
-$text
-EOF
-exit 0;

vendor/golang.org/x/sys/plan9/zsyscall_plan9_386.go

@@ -1,5 +1,7 @@
-// mksyscall.pl -l32 -plan9 syscall_plan9.go
-// Code generated by the command above; DO NOT EDIT.
+// go run mksyscall.go -l32 -plan9 -tags plan9,386 syscall_plan9.go
+// Code generated by the command above; see README.md. DO NOT EDIT.
+
+// +build plan9,386
 
 package plan9
 
@@ -57,7 +59,6 @@ func open(path string, mode int) (fd int, err error) {
 		return
 	}
 	r0, _, e1 := Syscall(SYS_OPEN, uintptr(unsafe.Pointer(_p0)), uintptr(mode), 0)
-	use(unsafe.Pointer(_p0))
 	fd = int(r0)
 	if int32(r0) == -1 {
 		err = e1
@@ -74,7 +75,6 @@ func create(path string, mode int, perm uint32) (fd int, err error) {
 		return
 	}
 	r0, _, e1 := Syscall(SYS_CREATE, uintptr(unsafe.Pointer(_p0)), uintptr(mode), uintptr(perm))
-	use(unsafe.Pointer(_p0))
 	fd = int(r0)
 	if int32(r0) == -1 {
 		err = e1
@@ -91,7 +91,6 @@ func remove(path string) (err error) {
 		return
 	}
 	r0, _, e1 := Syscall(SYS_REMOVE, uintptr(unsafe.Pointer(_p0)), 0, 0)
-	use(unsafe.Pointer(_p0))
 	if int32(r0) == -1 {
 		err = e1
 	}
@@ -113,7 +112,6 @@ func stat(path string, edir []byte) (n int, err error) {
 		_p1 = unsafe.Pointer(&_zero)
 	}
 	r0, _, e1 := Syscall(SYS_STAT, uintptr(unsafe.Pointer(_p0)), uintptr(_p1), uintptr(len(edir)))
-	use(unsafe.Pointer(_p0))
 	n = int(r0)
 	if int32(r0) == -1 {
 		err = e1
@@ -135,8 +133,6 @@ func bind(name string, old string, flag int) (err error) {
 		return
 	}
 	r0, _, e1 := Syscall(SYS_BIND, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(_p1)), uintptr(flag))
-	use(unsafe.Pointer(_p0))
-	use(unsafe.Pointer(_p1))
 	if int32(r0) == -1 {
 		err = e1
 	}
@@ -157,8 +153,6 @@ func mount(fd int, afd int, old string, flag int, aname string) (err error) {
 		return
 	}
 	r0, _, e1 := Syscall6(SYS_MOUNT, uintptr(fd), uintptr(afd), uintptr(unsafe.Pointer(_p0)), uintptr(flag), uintptr(unsafe.Pointer(_p1)), 0)
-	use(unsafe.Pointer(_p0))
-	use(unsafe.Pointer(_p1))
 	if int32(r0) == -1 {
 		err = e1
 	}
@@ -180,7 +174,6 @@ func wstat(path string, edir []byte) (err error) {
 		_p1 = unsafe.Pointer(&_zero)
 	}
 	r0, _, e1 := Syscall(SYS_WSTAT, uintptr(unsafe.Pointer(_p0)), uintptr(_p1), uintptr(len(edir)))
-	use(unsafe.Pointer(_p0))
 	if int32(r0) == -1 {
 		err = e1
 	}
@@ -196,7 +189,6 @@ func chdir(path string) (err error) {
 		return
 	}
 	r0, _, e1 := Syscall(SYS_CHDIR, uintptr(unsafe.Pointer(_p0)), 0, 0)
-	use(unsafe.Pointer(_p0))
 	if int32(r0) == -1 {
 		err = e1
 	}

vendor/golang.org/x/sys/plan9/zsyscall_plan9_amd64.go

@@ -1,5 +1,7 @@
-// mksyscall.pl -l32 -plan9 syscall_plan9.go
-// Code generated by the command above; DO NOT EDIT.
+// go run mksyscall.go -l32 -plan9 -tags plan9,amd64 syscall_plan9.go
+// Code generated by the command above; see README.md. DO NOT EDIT.
+
+// +build plan9,amd64
 
 package plan9
 
@@ -57,7 +59,6 @@ func open(path string, mode int) (fd int, err error) {
 		return
 	}
 	r0, _, e1 := Syscall(SYS_OPEN, uintptr(unsafe.Pointer(_p0)), uintptr(mode), 0)
-	use(unsafe.Pointer(_p0))
 	fd = int(r0)
 	if int32(r0) == -1 {
 		err = e1
@@ -74,7 +75,6 @@ func create(path string, mode int, perm uint32) (fd int, err error) {
 		return
 	}
 	r0, _, e1 := Syscall(SYS_CREATE, uintptr(unsafe.Pointer(_p0)), uintptr(mode), uintptr(perm))
-	use(unsafe.Pointer(_p0))
 	fd = int(r0)
 	if int32(r0) == -1 {
 		err = e1
@@ -91,7 +91,6 @@ func remove(path string) (err error) {
 		return
 	}
 	r0, _, e1 := Syscall(SYS_REMOVE, uintptr(unsafe.Pointer(_p0)), 0, 0)
-	use(unsafe.Pointer(_p0))
 	if int32(r0) == -1 {
 		err = e1
 	}
@@ -113,7 +112,6 @@ func stat(path string, edir []byte) (n int, err error) {
 		_p1 = unsafe.Pointer(&_zero)
 	}
 	r0, _, e1 := Syscall(SYS_STAT, uintptr(unsafe.Pointer(_p0)), uintptr(_p1), uintptr(len(edir)))
-	use(unsafe.Pointer(_p0))
 	n = int(r0)
 	if int32(r0) == -1 {
 		err = e1
@@ -135,8 +133,6 @@ func bind(name string, old string, flag int) (err error) {
 		return
 	}
 	r0, _, e1 := Syscall(SYS_BIND, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(_p1)), uintptr(flag))
-	use(unsafe.Pointer(_p0))
-	use(unsafe.Pointer(_p1))
 	if int32(r0) == -1 {
 		err = e1
 	}
@@ -157,8 +153,6 @@ func mount(fd int, afd int, old string, flag int, aname string) (err error) {
 		return
 	}
 	r0, _, e1 := Syscall6(SYS_MOUNT, uintptr(fd), uintptr(afd), uintptr(unsafe.Pointer(_p0)), uintptr(flag), uintptr(unsafe.Pointer(_p1)), 0)
-	use(unsafe.Pointer(_p0))
-	use(unsafe.Pointer(_p1))
 	if int32(r0) == -1 {
 		err = e1
 	}
@@ -180,7 +174,6 @@ func wstat(path string, edir []byte) (err error) {
 		_p1 = unsafe.Pointer(&_zero)
 	}
 	r0, _, e1 := Syscall(SYS_WSTAT, uintptr(unsafe.Pointer(_p0)), uintptr(_p1), uintptr(len(edir)))
-	use(unsafe.Pointer(_p0))
 	if int32(r0) == -1 {
 		err = e1
 	}
@@ -196,7 +189,6 @@ func chdir(path string) (err error) {
 		return
 	}
 	r0, _, e1 := Syscall(SYS_CHDIR, uintptr(unsafe.Pointer(_p0)), 0, 0)
-	use(unsafe.Pointer(_p0))
 	if int32(r0) == -1 {
 		err = e1
 	}

vendor/golang.org/x/sys/plan9/zsyscall_plan9_arm.go

@@ -1,5 +1,5 @@
-// mksyscall.pl -l32 -plan9 -tags plan9,arm syscall_plan9.go
-// Code generated by the command above; DO NOT EDIT.
+// go run mksyscall.go -l32 -plan9 -tags plan9,arm syscall_plan9.go
+// Code generated by the command above; see README.md. DO NOT EDIT.
 
 // +build plan9,arm
 

vendor/golang.org/x/sys/unix/README.md

@@ -14,7 +14,7 @@ migrating the build system to use containers so the builds are reproducible.
 This is being done on an OS-by-OS basis. Please update this documentation as
 components of the build system change.
 
-### Old Build System (currently for `GOOS != "Linux" || GOARCH == "sparc64"`)
+### Old Build System (currently for `GOOS != "linux"`)
 
 The old build system generates the Go files based on the C header files
 present on your system. This means that files
@@ -34,7 +34,7 @@ your specific system. Running `mkall.sh -n` shows the commands that will be run.
 
 Requirements: bash, perl, go
 
-### New Build System (currently for `GOOS == "Linux" && GOARCH != "sparc64"`)
+### New Build System (currently for `GOOS == "linux"`)
 
 The new build system uses a Docker container to generate the go files directly
 from source checkouts of the kernel and various system libraries. This means

vendor/golang.org/x/sys/unix/asm_freebsd_arm64.s

@@ -0,0 +1,29 @@
+// Copyright 2018 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, FreeBSD
+//
+
+// 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)

vendor/golang.org/x/sys/unix/darwin_test.go

@@ -0,0 +1,210 @@
+// Copyright 2018 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 darwin,go1.12,amd64 darwin,go1.12,386
+
+package unix
+
+import (
+	"os"
+	"os/exec"
+	"strings"
+	"testing"
+)
+
+type darwinTest struct {
+	name string
+	f    func()
+}
+
+// TODO(khr): decide whether to keep this test enabled permanently or
+// only temporarily.
+func TestDarwinLoader(t *testing.T) {
+	// Make sure the Darwin dynamic loader can actually resolve
+	// all the system calls into libSystem.dylib. Unfortunately
+	// there is no easy way to test this at compile time. So we
+	// implement a crazy hack here, calling into the syscall
+	// function with all its arguments set to junk, and see what
+	// error we get. We are happy with any error (or none) except
+	// an error from the dynamic loader.
+	//
+	// We have to run each test in a separate subprocess for fault isolation.
+	//
+	// Hopefully the junk args won't accidentally ask the system to do "rm -fr /".
+	//
+	// In an ideal world each syscall would have its own test, so this test
+	// would be unnecessary. Unfortunately, we do not live in that world.
+	for _, test := range darwinTests {
+		// Call the test binary recursively, giving it a magic argument
+		// (see init below) and the name of the test to run.
+		cmd := exec.Command(os.Args[0], "testDarwinLoader", test.name)
+
+		// Run subprocess, collect results. Note that we expect the subprocess
+		// to fail somehow, so the error is irrelevant.
+		out, _ := cmd.CombinedOutput()
+
+		if strings.Contains(string(out), "dyld: Symbol not found:") {
+			t.Errorf("can't resolve %s in libSystem.dylib", test.name)
+		}
+		if !strings.Contains(string(out), "success") {
+			// Not really an error. Might be a syscall that never returns,
+			// like exit, or one that segfaults, like gettimeofday.
+			t.Logf("test never finished: %s: %s", test.name, string(out))
+		}
+	}
+}
+
+func init() {
+	// The test binary execs itself with the "testDarwinLoader" argument.
+	// Run the test specified by os.Args[2], then panic.
+	if len(os.Args) >= 3 && os.Args[1] == "testDarwinLoader" {
+		for _, test := range darwinTests {
+			if test.name == os.Args[2] {
+				test.f()
+			}
+		}
+		// Panic with a "success" label, so the parent process can check it.
+		panic("success")
+	}
+}
+
+// All the _trampoline functions in zsyscall_darwin_$ARCH.s
+var darwinTests = [...]darwinTest{
+	{"getgroups", libc_getgroups_trampoline},
+	{"setgroups", libc_setgroups_trampoline},
+	{"wait4", libc_wait4_trampoline},
+	{"accept", libc_accept_trampoline},
+	{"bind", libc_bind_trampoline},
+	{"connect", libc_connect_trampoline},
+	{"socket", libc_socket_trampoline},
+	{"getsockopt", libc_getsockopt_trampoline},
+	{"setsockopt", libc_setsockopt_trampoline},
+	{"getpeername", libc_getpeername_trampoline},
+	{"getsockname", libc_getsockname_trampoline},
+	{"shutdown", libc_shutdown_trampoline},
+	{"socketpair", libc_socketpair_trampoline},
+	{"recvfrom", libc_recvfrom_trampoline},
+	{"sendto", libc_sendto_trampoline},
+	{"recvmsg", libc_recvmsg_trampoline},
+	{"sendmsg", libc_sendmsg_trampoline},
+	{"kevent", libc_kevent_trampoline},
+	{"__sysctl", libc___sysctl_trampoline},
+	{"utimes", libc_utimes_trampoline},
+	{"futimes", libc_futimes_trampoline},
+	{"fcntl", libc_fcntl_trampoline},
+	{"poll", libc_poll_trampoline},
+	{"madvise", libc_madvise_trampoline},
+	{"mlock", libc_mlock_trampoline},
+	{"mlockall", libc_mlockall_trampoline},
+	{"mprotect", libc_mprotect_trampoline},
+	{"msync", libc_msync_trampoline},
+	{"munlock", libc_munlock_trampoline},
+	{"munlockall", libc_munlockall_trampoline},
+	{"ptrace", libc_ptrace_trampoline},
+	{"pipe", libc_pipe_trampoline},
+	{"getxattr", libc_getxattr_trampoline},
+	{"fgetxattr", libc_fgetxattr_trampoline},
+	{"setxattr", libc_setxattr_trampoline},
+	{"fsetxattr", libc_fsetxattr_trampoline},
+	{"removexattr", libc_removexattr_trampoline},
+	{"fremovexattr", libc_fremovexattr_trampoline},
+	{"listxattr", libc_listxattr_trampoline},
+	{"flistxattr", libc_flistxattr_trampoline},
+	{"kill", libc_kill_trampoline},
+	{"ioctl", libc_ioctl_trampoline},
+	{"access", libc_access_trampoline},
+	{"adjtime", libc_adjtime_trampoline},
+	{"chdir", libc_chdir_trampoline},
+	{"chflags", libc_chflags_trampoline},
+	{"chmod", libc_chmod_trampoline},
+	{"chown", libc_chown_trampoline},
+	{"chroot", libc_chroot_trampoline},
+	{"close", libc_close_trampoline},
+	{"dup", libc_dup_trampoline},
+	{"dup2", libc_dup2_trampoline},
+	{"exchangedata", libc_exchangedata_trampoline},
+	{"exit", libc_exit_trampoline},
+	{"faccessat", libc_faccessat_trampoline},
+	{"fchdir", libc_fchdir_trampoline},
+	{"fchflags", libc_fchflags_trampoline},
+	{"fchmod", libc_fchmod_trampoline},
+	{"fchmodat", libc_fchmodat_trampoline},
+	{"fchown", libc_fchown_trampoline},
+	{"fchownat", libc_fchownat_trampoline},
+	{"flock", libc_flock_trampoline},
+	{"fpathconf", libc_fpathconf_trampoline},
+	{"fstat64", libc_fstat64_trampoline},
+	{"fstatat64", libc_fstatat64_trampoline},
+	{"fstatfs64", libc_fstatfs64_trampoline},
+	{"fsync", libc_fsync_trampoline},
+	{"ftruncate", libc_ftruncate_trampoline},
+	{"__getdirentries64", libc___getdirentries64_trampoline},
+	{"getdtablesize", libc_getdtablesize_trampoline},
+	{"getegid", libc_getegid_trampoline},
+	{"geteuid", libc_geteuid_trampoline},
+	{"getgid", libc_getgid_trampoline},
+	{"getpgid", libc_getpgid_trampoline},
+	{"getpgrp", libc_getpgrp_trampoline},
+	{"getpid", libc_getpid_trampoline},
+	{"getppid", libc_getppid_trampoline},
+	{"getpriority", libc_getpriority_trampoline},
+	{"getrlimit", libc_getrlimit_trampoline},
+	{"getrusage", libc_getrusage_trampoline},
+	{"getsid", libc_getsid_trampoline},
+	{"getuid", libc_getuid_trampoline},
+	{"issetugid", libc_issetugid_trampoline},
+	{"kqueue", libc_kqueue_trampoline},
+	{"lchown", libc_lchown_trampoline},
+	{"link", libc_link_trampoline},
+	{"linkat", libc_linkat_trampoline},
+	{"listen", libc_listen_trampoline},
+	{"lstat64", libc_lstat64_trampoline},
+	{"mkdir", libc_mkdir_trampoline},
+	{"mkdirat", libc_mkdirat_trampoline},
+	{"mkfifo", libc_mkfifo_trampoline},
+	{"mknod", libc_mknod_trampoline},
+	{"open", libc_open_trampoline},
+	{"openat", libc_openat_trampoline},
+	{"pathconf", libc_pathconf_trampoline},
+	{"pread", libc_pread_trampoline},
+	{"pwrite", libc_pwrite_trampoline},
+	{"read", libc_read_trampoline},
+	{"readlink", libc_readlink_trampoline},
+	{"readlinkat", libc_readlinkat_trampoline},
+	{"rename", libc_rename_trampoline},
+	{"renameat", libc_renameat_trampoline},
+	{"revoke", libc_revoke_trampoline},
+	{"rmdir", libc_rmdir_trampoline},
+	{"lseek", libc_lseek_trampoline},
+	{"select", libc_select_trampoline},
+	{"setegid", libc_setegid_trampoline},
+	{"seteuid", libc_seteuid_trampoline},
+	{"setgid", libc_setgid_trampoline},
+	{"setlogin", libc_setlogin_trampoline},
+	{"setpgid", libc_setpgid_trampoline},
+	{"setpriority", libc_setpriority_trampoline},
+	{"setprivexec", libc_setprivexec_trampoline},
+	{"setregid", libc_setregid_trampoline},
+	{"setreuid", libc_setreuid_trampoline},
+	{"setrlimit", libc_setrlimit_trampoline},
+	{"setsid", libc_setsid_trampoline},
+	{"settimeofday", libc_settimeofday_trampoline},
+	{"setuid", libc_setuid_trampoline},
+	{"stat64", libc_stat64_trampoline},
+	{"statfs64", libc_statfs64_trampoline},
+	{"symlink", libc_symlink_trampoline},
+	{"symlinkat", libc_symlinkat_trampoline},
+	{"sync", libc_sync_trampoline},
+	{"truncate", libc_truncate_trampoline},
+	{"umask", libc_umask_trampoline},
+	{"undelete", libc_undelete_trampoline},
+	{"unlink", libc_unlink_trampoline},
+	{"unlinkat", libc_unlinkat_trampoline},
+	{"unmount", libc_unmount_trampoline},
+	{"write", libc_write_trampoline},
+	{"mmap", libc_mmap_trampoline},
+	{"munmap", libc_munmap_trampoline},
+	{"gettimeofday", libc_gettimeofday_trampoline},
+	{"getfsstat64", libc_getfsstat64_trampoline},
+}

vendor/golang.org/x/sys/unix/example_exec_test.go

@@ -0,0 +1,19 @@
+// Copyright 2018 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 aix darwin dragonfly freebsd linux netbsd openbsd solaris
+
+package unix_test
+
+import (
+	"log"
+	"os"
+
+	"golang.org/x/sys/unix"
+)
+
+func ExampleExec() {
+	err := unix.Exec("/bin/ls", []string{"ls", "-al"}, os.Environ())
+	log.Fatal(err)
+}

vendor/golang.org/x/sys/unix/example_flock_test.go

@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-// +build aix darwin dragonfly freebsd linux netbsd openbsd solaris
+// +build darwin dragonfly freebsd linux netbsd openbsd solaris
 
 package unix_test
 
@@ -13,11 +13,6 @@ import (
 	"golang.org/x/sys/unix"
 )
 
-func ExampleExec() {
-	err := unix.Exec("/bin/ls", []string{"ls", "-al"}, os.Environ())
-	log.Fatal(err)
-}
-
 func ExampleFlock() {
 	f, _ := os.Create("example.lock")
 	if err := unix.Flock(int(f.Fd()), unix.LOCK_EX); err != nil {

vendor/golang.org/x/sys/unix/fcntl.go

@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-// +build darwin dragonfly freebsd linux netbsd openbsd
+// +build dragonfly freebsd linux netbsd openbsd
 
 package unix
 

vendor/golang.org/x/sys/unix/fcntl_darwin.go

@@ -0,0 +1,18 @@
+// 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 unix
+
+import "unsafe"
+
+// FcntlInt performs a fcntl syscall on fd with the provided command and argument.
+func FcntlInt(fd uintptr, cmd, arg int) (int, error) {
+	return fcntl(int(fd), cmd, arg)
+}
+
+// FcntlFlock performs a fcntl syscall for the F_GETLK, F_SETLK or F_SETLKW command.
+func FcntlFlock(fd uintptr, cmd int, lk *Flock_t) error {
+	_, err := fcntl(int(fd), cmd, int(uintptr(unsafe.Pointer(lk))))
+	return err
+}

vendor/golang.org/x/sys/unix/linux/Dockerfile

@@ -11,15 +11,15 @@ RUN apt-get update && apt-get install -y  --no-install-recommends \
 # Get the git sources. If not cached, this takes O(5 minutes).
 WORKDIR /git
 RUN git config --global advice.detachedHead false
-# Linux Kernel: Released 22 Oct 2018
-RUN git clone --branch v4.19 --depth 1 https://kernel.googlesource.com/pub/scm/linux/kernel/git/torvalds/linux
+# Linux Kernel: Released 23 Dec 2018
+RUN git clone --branch v4.20 --depth 1 https://kernel.googlesource.com/pub/scm/linux/kernel/git/torvalds/linux
 # GNU C library: Released 01 Aug 2018 (we should try to get a secure way to clone this)
 RUN git clone --branch glibc-2.28 --depth 1 git://sourceware.org/git/glibc.git
 
 # Get Go
-ENV GOLANG_VERSION 1.11
+ENV GOLANG_VERSION 1.12beta1
 ENV GOLANG_DOWNLOAD_URL https://golang.org/dl/go$GOLANG_VERSION.linux-amd64.tar.gz
-ENV GOLANG_DOWNLOAD_SHA256 b3fcf280ff86558e0559e185b601c9eade0fd24c900b4c63cd14d1d38613e499
+ENV GOLANG_DOWNLOAD_SHA256 65bfd4a99925f1f85d712f4c1109977aa24ee4c6e198162bf8e819fdde19e875
 
 RUN curl -fsSL "$GOLANG_DOWNLOAD_URL" -o golang.tar.gz \
     && echo "$GOLANG_DOWNLOAD_SHA256  golang.tar.gz" | sha256sum -c - \

vendor/golang.org/x/sys/unix/linux/mkall.go

@@ -52,8 +52,9 @@ type target struct {
 	Bits       int
 }
 
-// List of all Linux targets supported by the go compiler. sparc64 is not
-// currently supported, though a port is in progress.
+// List of all Linux targets supported by the go compiler. Currently, riscv64
+// and sparc64 are not fully supported, but there is enough support already to
+// generate Go type and error definitions.
 var targets = []target{
 	{
 		GoArch:    "386",
@@ -133,13 +134,13 @@ var targets = []target{
 		SignedChar: true,
 		Bits:       64,
 	},
-	// {
-	// 	GoArch:    "sparc64",
-	// 	LinuxArch: "sparc",
-	// 	GNUArch:   "sparc64-linux-gnu",
-	// 	BigEndian: true,
-	// 	Bits:      64,
-	// },
+	{
+		GoArch:    "sparc64",
+		LinuxArch: "sparc",
+		GNUArch:   "sparc64-linux-gnu",
+		BigEndian: true,
+		Bits:      64,
+	},
 }
 
 // ptracePairs is a list of pairs of targets that can, in some cases,
@@ -222,6 +223,10 @@ func (t *target) commandFormatOutput(formatter string, outputFile string,
 		args = append([]string{"run", "mksyscall.go"}, args...)
 		mainCmd = makeCommand("go", args...)
 		t.setTargetBuildArch(mainCmd)
+	} else if name == "mksysnum" {
+		args = append([]string{"run", "linux/mksysnum.go"}, args...)
+		mainCmd = makeCommand("go", args...)
+		t.setTargetBuildArch(mainCmd)
 	}
 
 	fmtCmd := makeCommand(formatter)
@@ -467,7 +472,7 @@ func (t *target) makeZSysnumFile() error {
 	unistdFile := filepath.Join(IncludeDir, "asm/unistd.h")
 
 	args := append(t.cFlags(), unistdFile)
-	return t.commandFormatOutput("gofmt", zsysnumFile, "linux/mksysnum.pl", args...)
+	return t.commandFormatOutput("gofmt", zsysnumFile, "mksysnum", args...)
 }
 
 // makes the zsyscall_linux_$GOARCH.go file
@@ -528,7 +533,7 @@ func (t *target) mksyscallFlags() (flags []string) {
 		}
 	}
 
-	// This flag menas a 64-bit value should use (even, odd)-pair.
+	// This flag means a 64-bit value should use (even, odd)-pair.
 	if t.GoArch == "arm" || (t.LinuxArch == "mips" && t.Bits == 32) {
 		flags = append(flags, "-arm")
 	}

vendor/golang.org/x/sys/unix/linux/mksysnum.go

@@ -0,0 +1,143 @@
+// Copyright 2018 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 ignore
+
+package main
+
+import (
+	"bufio"
+	"fmt"
+	"os"
+	"os/exec"
+	"regexp"
+	"strconv"
+	"strings"
+)
+
+var (
+	goos, goarch string
+)
+
+// cmdLine returns this programs's commandline arguments
+func cmdLine() string {
+	return "go run linux/mksysnum.go " + strings.Join(os.Args[1:], " ")
+}
+
+// buildTags returns build tags
+func buildTags() string {
+	return fmt.Sprintf("%s,%s", goarch, goos)
+}
+
+func format(name string, num int, offset int) string {
+	if num > 999 {
+		// ignore deprecated syscalls that are no longer implemented
+		// https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/tree/include/uapi/asm-generic/unistd.h?id=refs/heads/master#n716
+		return ""
+	}
+	name = strings.ToUpper(name)
+	num = num + offset
+	return fmt.Sprintf("	SYS_%s = %d;\n", name, num)
+}
+
+func checkErr(err error) {
+	if err != nil {
+		fmt.Fprintf(os.Stderr, "%v\n", err)
+		os.Exit(1)
+	}
+}
+
+// source string and substring slice for regexp
+type re struct {
+	str string   // source string
+	sub []string // matched sub-string
+}
+
+// Match performs regular expression match
+func (r *re) Match(exp string) bool {
+	r.sub = regexp.MustCompile(exp).FindStringSubmatch(r.str)
+	if r.sub != nil {
+		return true
+	}
+	return false
+}
+
+func main() {
+	// Get the OS and architecture (using GOARCH_TARGET if it exists)
+	goos = os.Getenv("GOOS")
+	goarch = os.Getenv("GOARCH_TARGET")
+	if goarch == "" {
+		goarch = os.Getenv("GOARCH")
+	}
+	// Check if GOOS and GOARCH environment variables are defined
+	if goarch == "" || goos == "" {
+		fmt.Fprintf(os.Stderr, "GOARCH or GOOS not defined in environment\n")
+		os.Exit(1)
+	}
+	// Check that we are using the new build system if we should
+	if os.Getenv("GOLANG_SYS_BUILD") != "docker" {
+		fmt.Fprintf(os.Stderr, "In the new build system, mksysnum should not be called directly.\n")
+		fmt.Fprintf(os.Stderr, "See README.md\n")
+		os.Exit(1)
+	}
+
+	cc := os.Getenv("CC")
+	if cc == "" {
+		fmt.Fprintf(os.Stderr, "CC is not defined in environment\n")
+		os.Exit(1)
+	}
+	args := os.Args[1:]
+	args = append([]string{"-E", "-dD"}, args...)
+	cmd, err := exec.Command(cc, args...).Output() // execute command and capture output
+	if err != nil {
+		fmt.Fprintf(os.Stderr, "can't run %s", cc)
+		os.Exit(1)
+	}
+	text := ""
+	s := bufio.NewScanner(strings.NewReader(string(cmd)))
+	var offset, prev int
+	for s.Scan() {
+		t := re{str: s.Text()}
+		if t.Match(`^#define __NR_Linux\s+([0-9]+)`) {
+			// mips/mips64: extract offset
+			offset, _ = strconv.Atoi(t.sub[1]) // Make offset=0 if empty or non-numeric
+		} else if t.Match(`^#define __NR(\w*)_SYSCALL_BASE\s+([0-9]+)`) {
+			// arm: extract offset
+			offset, _ = strconv.Atoi(t.sub[1]) // Make offset=0 if empty or non-numeric
+		} else if t.Match(`^#define __NR_syscalls\s+`) {
+			// ignore redefinitions of __NR_syscalls
+		} else if t.Match(`^#define __NR_(\w*)Linux_syscalls\s+`) {
+			// mips/mips64: ignore definitions about the number of syscalls
+		} else if t.Match(`^#define __NR_(\w+)\s+([0-9]+)`) {
+			prev, err = strconv.Atoi(t.sub[2])
+			checkErr(err)
+			text += format(t.sub[1], prev, offset)
+		} else if t.Match(`^#define __NR3264_(\w+)\s+([0-9]+)`) {
+			prev, err = strconv.Atoi(t.sub[2])
+			checkErr(err)
+			text += format(t.sub[1], prev, offset)
+		} else if t.Match(`^#define __NR_(\w+)\s+\(\w+\+\s*([0-9]+)\)`) {
+			r2, err := strconv.Atoi(t.sub[2])
+			checkErr(err)
+			text += format(t.sub[1], prev+r2, offset)
+		} else if t.Match(`^#define __NR_(\w+)\s+\(__NR_(?:SYSCALL_BASE|Linux) \+ ([0-9]+)`) {
+			r2, err := strconv.Atoi(t.sub[2])
+			checkErr(err)
+			text += format(t.sub[1], r2, offset)
+		}
+	}
+	err = s.Err()
+	checkErr(err)
+	fmt.Printf(template, cmdLine(), buildTags(), text)
+}
+
+const template = `// %s
+// Code generated by the command above; see README.md. DO NOT EDIT.
+
+// +build %s
+
+package unix
+
+const(
+%s)`

vendor/golang.org/x/sys/unix/linux/mksysnum.pl

@@ -1,85 +0,0 @@
-#!/usr/bin/env perl
-# Copyright 2009 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.
-
-use strict;
-
-if($ENV{'GOARCH'} eq "" || $ENV{'GOOS'} eq "") {
-	print STDERR "GOARCH or GOOS not defined in environment\n";
-	exit 1;
-}
-
-# Check that we are using the new build system if we should
-if($ENV{'GOLANG_SYS_BUILD'} ne "docker") {
-	print STDERR "In the new build system, mksysnum should not be called directly.\n";
-	print STDERR "See README.md\n";
-	exit 1;
-}
-
-my $command = "$0 ". join(' ', @ARGV);
-
-print <<EOF;
-// $command
-// Code generated by the command above; see README.md. DO NOT EDIT.
-
-// +build $ENV{'GOARCH'},$ENV{'GOOS'}
-
-package unix
-
-const(
-EOF
-
-my $offset = 0;
-
-sub fmt {
-	my ($name, $num) = @_;
-	if($num > 999){
-		# ignore deprecated syscalls that are no longer implemented
-		# https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/tree/include/uapi/asm-generic/unistd.h?id=refs/heads/master#n716
-		return;
-	}
-	$name =~ y/a-z/A-Z/;
-	$num = $num + $offset;
-	print "	SYS_$name = $num;\n";
-}
-
-my $prev;
-open(CC, "$ENV{'CC'} -E -dD @ARGV |") || die "can't run $ENV{'CC'}";
-while(<CC>){
-	if(/^#define __NR_Linux\s+([0-9]+)/){
-		# mips/mips64: extract offset
-		$offset = $1;
-	}
-	elsif(/^#define __NR(\w*)_SYSCALL_BASE\s+([0-9]+)/){
-		# arm: extract offset
-		$offset = $1;
-	}
-	elsif(/^#define __NR_syscalls\s+/) {
-		# ignore redefinitions of __NR_syscalls
-	}
-	elsif(/^#define __NR_(\w*)Linux_syscalls\s+/) {
-		# mips/mips64: ignore definitions about the number of syscalls
-	}
-	elsif(/^#define __NR_(\w+)\s+([0-9]+)/){
-		$prev = $2;
-		fmt($1, $2);
-	}
-	elsif(/^#define __NR3264_(\w+)\s+([0-9]+)/){
-		$prev = $2;
-		fmt($1, $2);
-	}
-	elsif(/^#define __NR_(\w+)\s+\(\w+\+\s*([0-9]+)\)/){
-		fmt($1, $prev+$2)
-	}
-	elsif(/^#define __NR_(\w+)\s+\(__NR_Linux \+ ([0-9]+)/){
-		fmt($1, $2);
-	}
-	elsif(/^#define __NR_(\w+)\s+\(__NR_SYSCALL_BASE \+ ([0-9]+)/){
-		fmt($1, $2);
-	}
-}
-
-print <<EOF;
-)
-EOF

vendor/golang.org/x/sys/unix/linux/types.go

@@ -36,6 +36,7 @@ package unix
 #include <sys/resource.h>
 #include <sys/select.h>
 #include <sys/signal.h>
+#include <sys/signalfd.h>
 #include <sys/statfs.h>
 #include <sys/statvfs.h>
 #include <sys/sysinfo.h>
@@ -57,7 +58,28 @@ package unix
 #include <linux/perf_event.h>
 #include <linux/rtnetlink.h>
 #include <linux/stat.h>
+#if defined(__sparc__)
+// On sparc{,64}, the kernel defines struct termios2 itself which clashes with the
+// definition in glibc. Duplicate the kernel version here.
+#if defined(__arch64__)
+typedef unsigned int tcflag_t;
+#else
+typedef unsigned long tcflag_t;
+#endif
+
+struct termios2 {
+	tcflag_t c_iflag;
+	tcflag_t c_oflag;
+	tcflag_t c_cflag;
+	tcflag_t c_lflag;
+	unsigned char c_line;
+	unsigned char c_cc[19];
+	unsigned int c_ispeed;
+	unsigned int c_ospeed;
+};
+#else
 #include <asm/termbits.h>
+#endif
 #include <asm/ptrace.h>
 #include <time.h>
 #include <unistd.h>
@@ -727,6 +749,8 @@ const (
 
 type Sigset_t C.sigset_t
 
+type SignalfdSiginfo C.struct_signalfd_siginfo
+
 const RNDGETENTCNT = C.RNDGETENTCNT
 
 const PERF_IOC_FLAG_GROUP = C.PERF_IOC_FLAG_GROUP

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

@@ -17,6 +17,7 @@ mksysctl=""
 zsysctl="zsysctl_$GOOSARCH.go"
 mksysnum=
 mktypes=
+mkasm=
 run="sh"
 cmd=""
 
@@ -45,8 +46,8 @@ case "$#" in
 	exit 2
 esac
 
-if [[ "$GOOS" = "linux" ]] && [[ "$GOARCH" != "sparc64" ]]; then
-	# Use then new build system
+if [[ "$GOOS" = "linux" ]]; then
+	# Use the Docker-based build system
 	# Files generated through docker (use $cmd so you can Ctl-C the build or run)
 	$cmd docker build --tag generate:$GOOS $GOOS
 	$cmd docker run --interactive --tty --volume $(dirname "$(readlink -f "$0")"):/build generate:$GOOS
@@ -61,7 +62,7 @@ _* | *_ | _)
 	;;
 aix_ppc)
 	mkerrors="$mkerrors -maix32"
-	mksyscall="./mksyscall_aix_ppc.pl -aix"
+	mksyscall="go run mksyscall_aix_ppc.go -aix"
 	mktypes="GOARCH=$GOARCH go tool cgo -godefs"
 	;;
 aix_ppc64)
@@ -72,72 +73,75 @@ aix_ppc64)
 darwin_386)
 	mkerrors="$mkerrors -m32"
 	mksyscall="go run mksyscall.go -l32"
-	mksysnum="./mksysnum_darwin.pl $(xcrun --show-sdk-path --sdk macosx)/usr/include/sys/syscall.h"
+	mksysnum="go run mksysnum.go $(xcrun --show-sdk-path --sdk macosx)/usr/include/sys/syscall.h"
 	mktypes="GOARCH=$GOARCH go tool cgo -godefs"
+	mkasm="go run mkasm_darwin.go"
 	;;
 darwin_amd64)
 	mkerrors="$mkerrors -m64"
-	mksysnum="./mksysnum_darwin.pl $(xcrun --show-sdk-path --sdk macosx)/usr/include/sys/syscall.h"
+	mksysnum="go run mksysnum.go $(xcrun --show-sdk-path --sdk macosx)/usr/include/sys/syscall.h"
 	mktypes="GOARCH=$GOARCH go tool cgo -godefs"
+	mkasm="go run mkasm_darwin.go"
 	;;
 darwin_arm)
 	mkerrors="$mkerrors"
-	mksysnum="./mksysnum_darwin.pl $(xcrun --show-sdk-path --sdk iphoneos)/usr/include/sys/syscall.h"
+	mksyscall="go run mksyscall.go -l32"
+	mksysnum="go run mksysnum.go $(xcrun --show-sdk-path --sdk iphoneos)/usr/include/sys/syscall.h"
 	mktypes="GOARCH=$GOARCH go tool cgo -godefs"
+	mkasm="go run mkasm_darwin.go"
 	;;
 darwin_arm64)
 	mkerrors="$mkerrors -m64"
-	mksysnum="./mksysnum_darwin.pl $(xcrun --show-sdk-path --sdk iphoneos)/usr/include/sys/syscall.h"
+	mksysnum="go run mksysnum.go $(xcrun --show-sdk-path --sdk iphoneos)/usr/include/sys/syscall.h"
 	mktypes="GOARCH=$GOARCH go tool cgo -godefs"
+	mkasm="go run mkasm_darwin.go"
 	;;
 dragonfly_amd64)
 	mkerrors="$mkerrors -m64"
 	mksyscall="go run mksyscall.go -dragonfly"
-	mksysnum="curl -s 'http://gitweb.dragonflybsd.org/dragonfly.git/blob_plain/HEAD:/sys/kern/syscalls.master' | ./mksysnum_dragonfly.pl"
+	mksysnum="go run mksysnum.go 'https://gitweb.dragonflybsd.org/dragonfly.git/blob_plain/HEAD:/sys/kern/syscalls.master'"
 	mktypes="GOARCH=$GOARCH go tool cgo -godefs"
 	;;
 freebsd_386)
 	mkerrors="$mkerrors -m32"
 	mksyscall="go run mksyscall.go -l32"
-	mksysnum="curl -s 'http://svn.freebsd.org/base/stable/10/sys/kern/syscalls.master' | ./mksysnum_freebsd.pl"
+	mksysnum="go run mksysnum.go 'https://svn.freebsd.org/base/stable/10/sys/kern/syscalls.master'"
 	mktypes="GOARCH=$GOARCH go tool cgo -godefs"
 	;;
 freebsd_amd64)
 	mkerrors="$mkerrors -m64"
-	mksysnum="curl -s 'http://svn.freebsd.org/base/stable/10/sys/kern/syscalls.master' | ./mksysnum_freebsd.pl"
+	mksysnum="go run mksysnum.go 'https://svn.freebsd.org/base/stable/10/sys/kern/syscalls.master'"
 	mktypes="GOARCH=$GOARCH go tool cgo -godefs"
 	;;
 freebsd_arm)
 	mkerrors="$mkerrors"
 	mksyscall="go run mksyscall.go -l32 -arm"
-	mksysnum="curl -s 'http://svn.freebsd.org/base/stable/10/sys/kern/syscalls.master' | ./mksysnum_freebsd.pl"
+	mksysnum="go run mksysnum.go 'https://svn.freebsd.org/base/stable/10/sys/kern/syscalls.master'"
 	# Let the type of C char be signed for making the bare syscall
 	# API consistent across platforms.
 	mktypes="GOARCH=$GOARCH go tool cgo -godefs -- -fsigned-char"
 	;;
-linux_sparc64)
-	GOOSARCH_in=syscall_linux_sparc64.go
-	unistd_h=/usr/include/sparc64-linux-gnu/asm/unistd.h
+freebsd_arm64)
 	mkerrors="$mkerrors -m64"
-	mksysnum="./mksysnum_linux.pl $unistd_h"
+	mksysnum="go run mksysnum.go 'https://svn.freebsd.org/base/stable/10/sys/kern/syscalls.master'"
 	mktypes="GOARCH=$GOARCH go tool cgo -godefs"
 	;;
 netbsd_386)
 	mkerrors="$mkerrors -m32"
 	mksyscall="go run mksyscall.go -l32 -netbsd"
-	mksysnum="curl -s 'http://cvsweb.netbsd.org/bsdweb.cgi/~checkout~/src/sys/kern/syscalls.master' | ./mksysnum_netbsd.pl"
+	mksysnum="go run mksysnum.go 'http://cvsweb.netbsd.org/bsdweb.cgi/~checkout~/src/sys/kern/syscalls.master'"
 	mktypes="GOARCH=$GOARCH go tool cgo -godefs"
 	;;
 netbsd_amd64)
 	mkerrors="$mkerrors -m64"
 	mksyscall="go run mksyscall.go -netbsd"
-	mksysnum="curl -s 'http://cvsweb.netbsd.org/bsdweb.cgi/~checkout~/src/sys/kern/syscalls.master' | ./mksysnum_netbsd.pl"
+	mksysnum="go run mksysnum.go 'http://cvsweb.netbsd.org/bsdweb.cgi/~checkout~/src/sys/kern/syscalls.master'"
 	mktypes="GOARCH=$GOARCH go tool cgo -godefs"
 	;;
 netbsd_arm)
 	mkerrors="$mkerrors"
 	mksyscall="go run mksyscall.go -l32 -netbsd -arm"
-	mksysnum="curl -s 'http://cvsweb.netbsd.org/bsdweb.cgi/~checkout~/src/sys/kern/syscalls.master' | ./mksysnum_netbsd.pl"
+	mksysnum="go run mksysnum.go 'http://cvsweb.netbsd.org/bsdweb.cgi/~checkout~/src/sys/kern/syscalls.master'"
 	# Let the type of C char be signed for making the bare syscall
 	# API consistent across platforms.
 	mktypes="GOARCH=$GOARCH go tool cgo -godefs -- -fsigned-char"
@@ -146,21 +150,21 @@ openbsd_386)
 	mkerrors="$mkerrors -m32"
 	mksyscall="go run mksyscall.go -l32 -openbsd"
 	mksysctl="./mksysctl_openbsd.pl"
-	mksysnum="curl -s 'http://cvsweb.openbsd.org/cgi-bin/cvsweb/~checkout~/src/sys/kern/syscalls.master' | ./mksysnum_openbsd.pl"
+	mksysnum="go run mksysnum.go 'https://cvsweb.openbsd.org/cgi-bin/cvsweb/~checkout~/src/sys/kern/syscalls.master'"
 	mktypes="GOARCH=$GOARCH go tool cgo -godefs"
 	;;
 openbsd_amd64)
 	mkerrors="$mkerrors -m64"
 	mksyscall="go run mksyscall.go -openbsd"
 	mksysctl="./mksysctl_openbsd.pl"
-	mksysnum="curl -s 'http://cvsweb.openbsd.org/cgi-bin/cvsweb/~checkout~/src/sys/kern/syscalls.master' | ./mksysnum_openbsd.pl"
+	mksysnum="go run mksysnum.go 'https://cvsweb.openbsd.org/cgi-bin/cvsweb/~checkout~/src/sys/kern/syscalls.master'"
 	mktypes="GOARCH=$GOARCH go tool cgo -godefs"
 	;;
 openbsd_arm)
 	mkerrors="$mkerrors"
 	mksyscall="go run mksyscall.go -l32 -openbsd -arm"
 	mksysctl="./mksysctl_openbsd.pl"
-	mksysnum="curl -s 'http://cvsweb.openbsd.org/cgi-bin/cvsweb/~checkout~/src/sys/kern/syscalls.master' | ./mksysnum_openbsd.pl"
+	mksysnum="go run mksysnum.go 'https://cvsweb.openbsd.org/cgi-bin/cvsweb/~checkout~/src/sys/kern/syscalls.master'"
 	# Let the type of C char be signed for making the bare syscall
 	# API consistent across platforms.
 	mktypes="GOARCH=$GOARCH go tool cgo -godefs -- -fsigned-char"
@@ -191,6 +195,11 @@ esac
 			if [ "$GOOSARCH" == "aix_ppc64" ]; then
 				# aix/ppc64 script generates files instead of writing to stdin.
 				echo "$mksyscall -tags $GOOS,$GOARCH $syscall_goos $GOOSARCH_in && gofmt -w zsyscall_$GOOSARCH.go && gofmt -w zsyscall_"$GOOSARCH"_gccgo.go && gofmt -w zsyscall_"$GOOSARCH"_gc.go " ;
+			elif [ "$GOOS" == "darwin" ]; then
+			        # pre-1.12, direct syscalls
+			        echo "$mksyscall -tags $GOOS,$GOARCH,!go1.12 $syscall_goos $GOOSARCH_in |gofmt >zsyscall_$GOOSARCH.1_11.go";
+			        # 1.12 and later, syscalls via libSystem
+				echo "$mksyscall -tags $GOOS,$GOARCH,go1.12 $syscall_goos $GOOSARCH_in |gofmt >zsyscall_$GOOSARCH.go";
 			else
 				echo "$mksyscall -tags $GOOS,$GOARCH $syscall_goos $GOOSARCH_in |gofmt >zsyscall_$GOOSARCH.go";
 			fi
@@ -200,5 +209,6 @@ esac
 	if [ -n "$mksysnum" ]; then echo "$mksysnum |gofmt >zsysnum_$GOOSARCH.go"; fi
 	if [ -n "$mktypes" ]; then
 		echo "$mktypes types_$GOOS.go | go run mkpost.go > ztypes_$GOOSARCH.go";
+	if [ -n "$mkasm" ]; then echo "$mkasm $GOARCH"; fi
 	fi
 ) | $run

vendor/golang.org/x/sys/unix/mkasm_darwin.go

@@ -0,0 +1,61 @@
+// Copyright 2018 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 ignore
+
+// mkasm_darwin.go generates assembly trampolines to call libSystem routines from Go.
+//This program must be run after mksyscall.go.
+package main
+
+import (
+	"bytes"
+	"fmt"
+	"io/ioutil"
+	"log"
+	"os"
+	"strings"
+)
+
+func main() {
+	in1, err := ioutil.ReadFile("syscall_darwin.go")
+	if err != nil {
+		log.Fatalf("can't open syscall_darwin.go: %s", err)
+	}
+	arch := os.Args[1]
+	in2, err := ioutil.ReadFile(fmt.Sprintf("syscall_darwin_%s.go", arch))
+	if err != nil {
+		log.Fatalf("can't open syscall_darwin_%s.go: %s", arch, err)
+	}
+	in3, err := ioutil.ReadFile(fmt.Sprintf("zsyscall_darwin_%s.go", arch))
+	if err != nil {
+		log.Fatalf("can't open zsyscall_darwin_%s.go: %s", arch, err)
+	}
+	in := string(in1) + string(in2) + string(in3)
+
+	trampolines := map[string]bool{}
+
+	var out bytes.Buffer
+
+	fmt.Fprintf(&out, "// go run mkasm_darwin.go %s\n", strings.Join(os.Args[1:], " "))
+	fmt.Fprintf(&out, "// Code generated by the command above; DO NOT EDIT.\n")
+	fmt.Fprintf(&out, "\n")
+	fmt.Fprintf(&out, "// +build go1.12\n")
+	fmt.Fprintf(&out, "\n")
+	fmt.Fprintf(&out, "#include \"textflag.h\"\n")
+	for _, line := range strings.Split(in, "\n") {
+		if !strings.HasPrefix(line, "func ") || !strings.HasSuffix(line, "_trampoline()") {
+			continue
+		}
+		fn := line[5 : len(line)-13]
+		if !trampolines[fn] {
+			trampolines[fn] = true
+			fmt.Fprintf(&out, "TEXT ·%s_trampoline(SB),NOSPLIT,$0-0\n", fn)
+			fmt.Fprintf(&out, "\tJMP\t%s(SB)\n", fn)
+		}
+	}
+	err = ioutil.WriteFile(fmt.Sprintf("zsyscall_darwin_%s.s", arch), out.Bytes(), 0644)
+	if err != nil {
+		log.Fatalf("can't write zsyscall_darwin_%s.s: %s", arch, err)
+	}
+}

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

@@ -17,12 +17,10 @@ if test -z "$GOARCH" -o -z "$GOOS"; then
 fi
 
 # Check that we are using the new build system if we should
-if [[ "$GOOS" = "linux" ]] && [[ "$GOARCH" != "sparc64" ]]; then
-	if [[ "$GOLANG_SYS_BUILD" != "docker" ]]; then
-		echo 1>&2 "In the new build system, mkerrors should not be called directly."
-		echo 1>&2 "See README.md"
-		exit 1
-	fi
+if [[ "$GOOS" = "linux" ]] && [[ "$GOLANG_SYS_BUILD" != "docker" ]]; then
+	echo 1>&2 "In the Docker based build system, mkerrors should not be called directly."
+	echo 1>&2 "See README.md"
+	exit 1
 fi
 
 if [[ "$GOOS" = "aix" ]]; then
@@ -181,6 +179,7 @@ struct ltchars {
 #include <sys/stat.h>
 #include <sys/types.h>
 #include <sys/time.h>
+#include <sys/signalfd.h>
 #include <sys/socket.h>
 #include <sys/xattr.h>
 #include <linux/if.h>
@@ -223,7 +222,15 @@ struct ltchars {
 #include <linux/if_xdp.h>
 #include <mtd/ubi-user.h>
 #include <net/route.h>
+
+#if defined(__sparc__)
+// On sparc{,64}, the kernel defines struct termios2 itself which clashes with the
+// definition in glibc. As only the error constants are needed here, include the
+// generic termibits.h (which is included by termbits.h on sparc).
+#include <asm-generic/termbits.h>
+#else
 #include <asm/termbits.h>
+#endif
 
 #ifndef MSG_FASTOPEN
 #define MSG_FASTOPEN    0x20000000
@@ -447,7 +454,7 @@ ccflags="$@"
 		$2 !~ "MNT_BITS" &&
 		$2 ~ /^(MS|MNT|UMOUNT)_/ ||
 		$2 ~ /^TUN(SET|GET|ATTACH|DETACH)/ ||
-		$2 ~ /^(O|F|E?FD|NAME|S|PTRACE|PT)_/ ||
+		$2 ~ /^(O|F|[ES]?FD|NAME|S|PTRACE|PT)_/ ||
 		$2 ~ /^KEXEC_/ ||
 		$2 ~ /^LINUX_REBOOT_CMD_/ ||
 		$2 ~ /^LINUX_REBOOT_MAGIC[12]$/ ||
@@ -468,7 +475,7 @@ ccflags="$@"
 		$2 ~ /^CLONE_[A-Z_]+/ ||
 		$2 !~ /^(BPF_TIMEVAL)$/ &&
 		$2 ~ /^(BPF|DLT)_/ ||
-		$2 ~ /^CLOCK_/ ||
+		$2 ~ /^(CLOCK|TIMER)_/ ||
 		$2 ~ /^CAN_/ ||
 		$2 ~ /^CAP_/ ||
 		$2 ~ /^ALG_/ ||

vendor/golang.org/x/sys/unix/mkpost.go

@@ -28,10 +28,10 @@ func main() {
 	if goarch == "" {
 		goarch = os.Getenv("GOARCH")
 	}
-	// Check that we are using the new build system if we should be.
-	if goos == "linux" && goarch != "sparc64" {
+	// Check that we are using the Docker-based build system if we should be.
+	if goos == "linux" {
 		if os.Getenv("GOLANG_SYS_BUILD") != "docker" {
-			os.Stderr.WriteString("In the new build system, mkpost should not be called directly.\n")
+			os.Stderr.WriteString("In the Docker-based build system, mkpost should not be called directly.\n")
 			os.Stderr.WriteString("See README.md\n")
 			os.Exit(1)
 		}

vendor/golang.org/x/sys/unix/mksyscall.go

@@ -93,10 +93,10 @@ func main() {
 		goarch = os.Getenv("GOARCH")
 	}
 
-	// Check that we are using the new build system if we should
-	if goos == "linux" && goarch != "sparc64" {
+	// Check that we are using the Docker-based build system if we should
+	if goos == "linux" {
 		if os.Getenv("GOLANG_SYS_BUILD") != "docker" {
-			fmt.Fprintf(os.Stderr, "In the new build system, mksyscall should not be called directly.\n")
+			fmt.Fprintf(os.Stderr, "In the Docker-based build system, mksyscall should not be called directly.\n")
 			fmt.Fprintf(os.Stderr, "See README.md\n")
 			os.Exit(1)
 		}
@@ -116,6 +116,12 @@ func main() {
 		endianness = "little-endian"
 	}
 
+	libc := false
+	if goos == "darwin" && strings.Contains(buildTags(), ",go1.12") {
+		libc = true
+	}
+	trampolines := map[string]bool{}
+
 	text := ""
 	for _, path := range flag.Args() {
 		file, err := os.Open(path)
@@ -272,6 +278,20 @@ func main() {
 				sysname = strings.ToUpper(sysname)
 			}
 
+			var libcFn string
+			if libc {
+				asm = "syscall_" + strings.ToLower(asm[:1]) + asm[1:] // internal syscall call
+				sysname = strings.TrimPrefix(sysname, "SYS_")         // remove SYS_
+				sysname = strings.ToLower(sysname)                    // lowercase
+				if sysname == "getdirentries64" {
+					// Special case - libSystem name and
+					// raw syscall name don't match.
+					sysname = "__getdirentries64"
+				}
+				libcFn = sysname
+				sysname = "funcPC(libc_" + sysname + "_trampoline)"
+			}
+
 			// Actual call.
 			arglist := strings.Join(args, ", ")
 			call := fmt.Sprintf("%s(%s, %s)", asm, sysname, arglist)
@@ -339,6 +359,17 @@ func main() {
 			text += "\treturn\n"
 			text += "}\n\n"
 
+			if libc && !trampolines[libcFn] {
+				// some system calls share a trampoline, like read and readlen.
+				trampolines[libcFn] = true
+				// Declare assembly trampoline.
+				text += fmt.Sprintf("func libc_%s_trampoline()\n", libcFn)
+				// Assembly trampoline calls the libc_* function, which this magic
+				// redirects to use the function from libSystem.
+				text += fmt.Sprintf("//go:linkname libc_%s libc_%s\n", libcFn, libcFn)
+				text += fmt.Sprintf("//go:cgo_import_dynamic libc_%s %s \"/usr/lib/libSystem.B.dylib\"\n", libcFn, libcFn)
+				text += "\n"
+			}
 		}
 		if err := s.Err(); err != nil {
 			fmt.Fprintf(os.Stderr, err.Error())

vendor/golang.org/x/sys/unix/mksyscall_aix_ppc.go

@@ -0,0 +1,404 @@
+// 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 ignore
+
+/*
+This program reads a file containing function prototypes
+(like syscall_aix.go) and generates system call bodies.
+The prototypes are marked by lines beginning with "//sys"
+and read like func declarations if //sys is replaced by func, but:
+	* The parameter lists must give a name for each argument.
+	  This includes return parameters.
+	* The parameter lists must give a type for each argument:
+	  the (x, y, z int) shorthand is not allowed.
+	* If the return parameter is an error number, it must be named err.
+	* If go func name needs to be different than its libc name,
+	* or the function is not in libc, name could be specified
+	* at the end, after "=" sign, like
+	  //sys getsockopt(s int, level int, name int, val uintptr, vallen *_Socklen) (err error) = libsocket.getsockopt
+*/
+package main
+
+import (
+	"bufio"
+	"flag"
+	"fmt"
+	"os"
+	"regexp"
+	"strings"
+)
+
+var (
+	b32  = flag.Bool("b32", false, "32bit big-endian")
+	l32  = flag.Bool("l32", false, "32bit little-endian")
+	aix  = flag.Bool("aix", false, "aix")
+	tags = flag.String("tags", "", "build tags")
+)
+
+// cmdLine returns this programs's commandline arguments
+func cmdLine() string {
+	return "go run mksyscall_aix_ppc.go " + strings.Join(os.Args[1:], " ")
+}
+
+// buildTags returns build tags
+func buildTags() string {
+	return *tags
+}
+
+// Param is function parameter
+type Param struct {
+	Name string
+	Type string
+}
+
+// usage prints the program usage
+func usage() {
+	fmt.Fprintf(os.Stderr, "usage: go run mksyscall_aix_ppc.go [-b32 | -l32] [-tags x,y] [file ...]\n")
+	os.Exit(1)
+}
+
+// parseParamList parses parameter list and returns a slice of parameters
+func parseParamList(list string) []string {
+	list = strings.TrimSpace(list)
+	if list == "" {
+		return []string{}
+	}
+	return regexp.MustCompile(`\s*,\s*`).Split(list, -1)
+}
+
+// parseParam splits a parameter into name and type
+func parseParam(p string) Param {
+	ps := regexp.MustCompile(`^(\S*) (\S*)$`).FindStringSubmatch(p)
+	if ps == nil {
+		fmt.Fprintf(os.Stderr, "malformed parameter: %s\n", p)
+		os.Exit(1)
+	}
+	return Param{ps[1], ps[2]}
+}
+
+func main() {
+	flag.Usage = usage
+	flag.Parse()
+	if len(flag.Args()) <= 0 {
+		fmt.Fprintf(os.Stderr, "no files to parse provided\n")
+		usage()
+	}
+
+	endianness := ""
+	if *b32 {
+		endianness = "big-endian"
+	} else if *l32 {
+		endianness = "little-endian"
+	}
+
+	pack := ""
+	text := ""
+	cExtern := "/*\n#include <stdint.h>\n#include <stddef.h>\n"
+	for _, path := range flag.Args() {
+		file, err := os.Open(path)
+		if err != nil {
+			fmt.Fprintf(os.Stderr, err.Error())
+			os.Exit(1)
+		}
+		s := bufio.NewScanner(file)
+		for s.Scan() {
+			t := s.Text()
+			t = strings.TrimSpace(t)
+			t = regexp.MustCompile(`\s+`).ReplaceAllString(t, ` `)
+			if p := regexp.MustCompile(`^package (\S+)$`).FindStringSubmatch(t); p != nil && pack == "" {
+				pack = p[1]
+			}
+			nonblock := regexp.MustCompile(`^\/\/sysnb `).FindStringSubmatch(t)
+			if regexp.MustCompile(`^\/\/sys `).FindStringSubmatch(t) == nil && nonblock == nil {
+				continue
+			}
+
+			// Line must be of the form
+			//	func Open(path string, mode int, perm int) (fd int, err error)
+			// Split into name, in params, out params.
+			f := regexp.MustCompile(`^\/\/sys(nb)? (\w+)\(([^()]*)\)\s*(?:\(([^()]+)\))?\s*(?:=\s*(?:(\w*)\.)?(\w*))?$`).FindStringSubmatch(t)
+			if f == nil {
+				fmt.Fprintf(os.Stderr, "%s:%s\nmalformed //sys declaration\n", path, t)
+				os.Exit(1)
+			}
+			funct, inps, outps, modname, sysname := f[2], f[3], f[4], f[5], f[6]
+
+			// Split argument lists on comma.
+			in := parseParamList(inps)
+			out := parseParamList(outps)
+
+			inps = strings.Join(in, ", ")
+			outps = strings.Join(out, ", ")
+
+			// Try in vain to keep people from editing this file.
+			// The theory is that they jump into the middle of the file
+			// without reading the header.
+			text += "// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT\n\n"
+
+			// Check if value return, err return available
+			errvar := ""
+			retvar := ""
+			rettype := ""
+			for _, param := range out {
+				p := parseParam(param)
+				if p.Type == "error" {
+					errvar = p.Name
+				} else {
+					retvar = p.Name
+					rettype = p.Type
+				}
+			}
+
+			// System call name.
+			if sysname == "" {
+				sysname = funct
+			}
+			sysname = regexp.MustCompile(`([a-z])([A-Z])`).ReplaceAllString(sysname, `${1}_$2`)
+			sysname = strings.ToLower(sysname) // All libc functions are lowercase.
+
+			cRettype := ""
+			if rettype == "unsafe.Pointer" {
+				cRettype = "uintptr_t"
+			} else if rettype == "uintptr" {
+				cRettype = "uintptr_t"
+			} else if regexp.MustCompile(`^_`).FindStringSubmatch(rettype) != nil {
+				cRettype = "uintptr_t"
+			} else if rettype == "int" {
+				cRettype = "int"
+			} else if rettype == "int32" {
+				cRettype = "int"
+			} else if rettype == "int64" {
+				cRettype = "long long"
+			} else if rettype == "uint32" {
+				cRettype = "unsigned int"
+			} else if rettype == "uint64" {
+				cRettype = "unsigned long long"
+			} else {
+				cRettype = "int"
+			}
+			if sysname == "exit" {
+				cRettype = "void"
+			}
+
+			// Change p.Types to c
+			var cIn []string
+			for _, param := range in {
+				p := parseParam(param)
+				if regexp.MustCompile(`^\*`).FindStringSubmatch(p.Type) != nil {
+					cIn = append(cIn, "uintptr_t")
+				} else if p.Type == "string" {
+					cIn = append(cIn, "uintptr_t")
+				} else if regexp.MustCompile(`^\[\](.*)`).FindStringSubmatch(p.Type) != nil {
+					cIn = append(cIn, "uintptr_t", "size_t")
+				} else if p.Type == "unsafe.Pointer" {
+					cIn = append(cIn, "uintptr_t")
+				} else if p.Type == "uintptr" {
+					cIn = append(cIn, "uintptr_t")
+				} else if regexp.MustCompile(`^_`).FindStringSubmatch(p.Type) != nil {
+					cIn = append(cIn, "uintptr_t")
+				} else if p.Type == "int" {
+					cIn = append(cIn, "int")
+				} else if p.Type == "int32" {
+					cIn = append(cIn, "int")
+				} else if p.Type == "int64" {
+					cIn = append(cIn, "long long")
+				} else if p.Type == "uint32" {
+					cIn = append(cIn, "unsigned int")
+				} else if p.Type == "uint64" {
+					cIn = append(cIn, "unsigned long long")
+				} else {
+					cIn = append(cIn, "int")
+				}
+			}
+
+			if funct != "fcntl" && funct != "FcntlInt" && funct != "readlen" && funct != "writelen" {
+				// Imports of system calls from libc
+				cExtern += fmt.Sprintf("%s %s", cRettype, sysname)
+				cIn := strings.Join(cIn, ", ")
+				cExtern += fmt.Sprintf("(%s);\n", cIn)
+			}
+
+			// So file name.
+			if *aix {
+				if modname == "" {
+					modname = "libc.a/shr_64.o"
+				} else {
+					fmt.Fprintf(os.Stderr, "%s: only syscall using libc are available\n", funct)
+					os.Exit(1)
+				}
+			}
+
+			strconvfunc := "C.CString"
+
+			// Go function header.
+			if outps != "" {
+				outps = fmt.Sprintf(" (%s)", outps)
+			}
+			if text != "" {
+				text += "\n"
+			}
+
+			text += fmt.Sprintf("func %s(%s)%s {\n", funct, strings.Join(in, ", "), outps)
+
+			// Prepare arguments to Syscall.
+			var args []string
+			n := 0
+			argN := 0
+			for _, param := range in {
+				p := parseParam(param)
+				if regexp.MustCompile(`^\*`).FindStringSubmatch(p.Type) != nil {
+					args = append(args, "C.uintptr_t(uintptr(unsafe.Pointer("+p.Name+")))")
+				} else if p.Type == "string" && errvar != "" {
+					text += fmt.Sprintf("\t_p%d := uintptr(unsafe.Pointer(%s(%s)))\n", n, strconvfunc, p.Name)
+					args = append(args, fmt.Sprintf("C.uintptr_t(_p%d)", n))
+					n++
+				} else if p.Type == "string" {
+					fmt.Fprintf(os.Stderr, path+":"+funct+" uses string arguments, but has no error return\n")
+					text += fmt.Sprintf("\t_p%d := uintptr(unsafe.Pointer(%s(%s)))\n", n, strconvfunc, p.Name)
+					args = append(args, fmt.Sprintf("C.uintptr_t(_p%d)", n))
+					n++
+				} else if m := regexp.MustCompile(`^\[\](.*)`).FindStringSubmatch(p.Type); m != nil {
+					// Convert slice into pointer, length.
+					// Have to be careful not to take address of &a[0] if len == 0:
+					// pass nil in that case.
+					text += fmt.Sprintf("\tvar _p%d *%s\n", n, m[1])
+					text += fmt.Sprintf("\tif len(%s) > 0 {\n\t\t_p%d = &%s[0]\n\t}\n", p.Name, n, p.Name)
+					args = append(args, fmt.Sprintf("C.uintptr_t(uintptr(unsafe.Pointer(_p%d)))", n))
+					n++
+					text += fmt.Sprintf("\tvar _p%d int\n", n)
+					text += fmt.Sprintf("\t_p%d = len(%s)\n", n, p.Name)
+					args = append(args, fmt.Sprintf("C.size_t(_p%d)", n))
+					n++
+				} else if p.Type == "int64" && endianness != "" {
+					if endianness == "big-endian" {
+						args = append(args, fmt.Sprintf("uintptr(%s>>32)", p.Name), fmt.Sprintf("uintptr(%s)", p.Name))
+					} else {
+						args = append(args, fmt.Sprintf("uintptr(%s)", p.Name), fmt.Sprintf("uintptr(%s>>32)", p.Name))
+					}
+					n++
+				} else if p.Type == "bool" {
+					text += fmt.Sprintf("\tvar _p%d uint32\n", n)
+					text += fmt.Sprintf("\tif %s {\n\t\t_p%d = 1\n\t} else {\n\t\t_p%d = 0\n\t}\n", p.Name, n, n)
+					args = append(args, fmt.Sprintf("_p%d", n))
+				} else if regexp.MustCompile(`^_`).FindStringSubmatch(p.Type) != nil {
+					args = append(args, fmt.Sprintf("C.uintptr_t(uintptr(%s))", p.Name))
+				} else if p.Type == "unsafe.Pointer" {
+					args = append(args, fmt.Sprintf("C.uintptr_t(uintptr(%s))", p.Name))
+				} else if p.Type == "int" {
+					if (argN == 2) && ((funct == "readlen") || (funct == "writelen")) {
+						args = append(args, fmt.Sprintf("C.size_t(%s)", p.Name))
+					} else if argN == 0 && funct == "fcntl" {
+						args = append(args, fmt.Sprintf("C.uintptr_t(%s)", p.Name))
+					} else if (argN == 2) && ((funct == "fcntl") || (funct == "FcntlInt")) {
+						args = append(args, fmt.Sprintf("C.uintptr_t(%s)", p.Name))
+					} else {
+						args = append(args, fmt.Sprintf("C.int(%s)", p.Name))
+					}
+				} else if p.Type == "int32" {
+					args = append(args, fmt.Sprintf("C.int(%s)", p.Name))
+				} else if p.Type == "int64" {
+					args = append(args, fmt.Sprintf("C.longlong(%s)", p.Name))
+				} else if p.Type == "uint32" {
+					args = append(args, fmt.Sprintf("C.uint(%s)", p.Name))
+				} else if p.Type == "uint64" {
+					args = append(args, fmt.Sprintf("C.ulonglong(%s)", p.Name))
+				} else if p.Type == "uintptr" {
+					args = append(args, fmt.Sprintf("C.uintptr_t(%s)", p.Name))
+				} else {
+					args = append(args, fmt.Sprintf("C.int(%s)", p.Name))
+				}
+				argN++
+			}
+
+			// Actual call.
+			arglist := strings.Join(args, ", ")
+			call := ""
+			if sysname == "exit" {
+				if errvar != "" {
+					call += "er :="
+				} else {
+					call += ""
+				}
+			} else if errvar != "" {
+				call += "r0,er :="
+			} else if retvar != "" {
+				call += "r0,_ :="
+			} else {
+				call += ""
+			}
+			call += fmt.Sprintf("C.%s(%s)", sysname, arglist)
+
+			// Assign return values.
+			body := ""
+			for i := 0; i < len(out); i++ {
+				p := parseParam(out[i])
+				reg := ""
+				if p.Name == "err" {
+					reg = "e1"
+				} else {
+					reg = "r0"
+				}
+				if reg != "e1" {
+					body += fmt.Sprintf("\t%s = %s(%s)\n", p.Name, p.Type, reg)
+				}
+			}
+
+			// verify return
+			if sysname != "exit" && errvar != "" {
+				if regexp.MustCompile(`^uintptr`).FindStringSubmatch(cRettype) != nil {
+					body += "\tif (uintptr(r0) ==^uintptr(0) && er != nil) {\n"
+					body += fmt.Sprintf("\t\t%s = er\n", errvar)
+					body += "\t}\n"
+				} else {
+					body += "\tif (r0 ==-1 && er != nil) {\n"
+					body += fmt.Sprintf("\t\t%s = er\n", errvar)
+					body += "\t}\n"
+				}
+			} else if errvar != "" {
+				body += "\tif (er != nil) {\n"
+				body += fmt.Sprintf("\t\t%s = er\n", errvar)
+				body += "\t}\n"
+			}
+
+			text += fmt.Sprintf("\t%s\n", call)
+			text += body
+
+			text += "\treturn\n"
+			text += "}\n"
+		}
+		if err := s.Err(); err != nil {
+			fmt.Fprintf(os.Stderr, err.Error())
+			os.Exit(1)
+		}
+		file.Close()
+	}
+	imp := ""
+	if pack != "unix" {
+		imp = "import \"golang.org/x/sys/unix\"\n"
+
+	}
+	fmt.Printf(srcTemplate, cmdLine(), buildTags(), pack, cExtern, imp, text)
+}
+
+const srcTemplate = `// %s
+// Code generated by the command above; see README.md. DO NOT EDIT.
+
+// +build %s
+
+package %s
+
+
+%s
+*/
+import "C"
+import (
+	"unsafe"
+)
+
+
+%s
+
+%s
+`

vendor/golang.org/x/sys/unix/mksyscall_aix_ppc.pl

@@ -1,384 +0,0 @@
-#!/usr/bin/env perl
-# Copyright 2018 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.
-
-# This program reads a file containing function prototypes
-# (like syscall_aix.go) and generates system call bodies.
-# The prototypes are marked by lines beginning with "//sys"
-# and read like func declarations if //sys is replaced by func, but:
-#	* The parameter lists must give a name for each argument.
-#	  This includes return parameters.
-#	* The parameter lists must give a type for each argument:
-#	  the (x, y, z int) shorthand is not allowed.
-#	* If the return parameter is an error number, it must be named err.
-#	* If go func name needs to be different than its libc name,
-#	* or the function is not in libc, name could be specified
-#	* at the end, after "=" sign, like
-#	  //sys getsockopt(s int, level int, name int, val uintptr, vallen *_Socklen) (err error) = libsocket.getsockopt
-
-use strict;
-
-my $cmdline = "mksyscall_aix_ppc.pl " . join(' ', @ARGV);
-my $errors = 0;
-my $_32bit = "";
-my $tags = "";  # build tags
-my $aix = 0;
-my $solaris = 0;
-
-binmode STDOUT;
-
-if($ARGV[0] eq "-b32") {
-	$_32bit = "big-endian";
-	shift;
-} elsif($ARGV[0] eq "-l32") {
-	$_32bit = "little-endian";
-	shift;
-}
-if($ARGV[0] eq "-aix") {
-	$aix = 1;
-	shift;
-}
-if($ARGV[0] eq "-tags") {
-	shift;
-	$tags = $ARGV[0];
-	shift;
-}
-
-if($ARGV[0] =~ /^-/) {
-	print STDERR "usage: mksyscall_aix.pl [-b32 | -l32] [-tags x,y] [file ...]\n";
-	exit 1;
-}
-
-sub parseparamlist($) {
-	my ($list) = @_;
-	$list =~ s/^\s*//;
-	$list =~ s/\s*$//;
-	if($list eq "") {
-		return ();
-	}
-	return split(/\s*,\s*/, $list);
-}
-
-sub parseparam($) {
-	my ($p) = @_;
-	if($p !~ /^(\S*) (\S*)$/) {
-		print STDERR "$ARGV:$.: malformed parameter: $p\n";
-		$errors = 1;
-		return ("xx", "int");
-	}
-	return ($1, $2);
-}
-
-my $package = "";
-my $text = "";
-my $c_extern = "/*\n#include <stdint.h>\n#include <stddef.h>\n";
-my @vars = ();
-while(<>) {
-	chomp;
-	s/\s+/ /g;
-	s/^\s+//;
-	s/\s+$//;
-	$package = $1 if !$package && /^package (\S+)$/;
-	my $nonblock = /^\/\/sysnb /;
-	next if !/^\/\/sys / && !$nonblock;
-
-	# Line must be of the form
-	# func Open(path string, mode int, perm int) (fd int, err error)
-	# Split into name, in params, out params.
-	if(!/^\/\/sys(nb)? (\w+)\(([^()]*)\)\s*(?:\(([^()]+)\))?\s*(?:=\s*(?:(\w*)\.)?(\w*))?$/) {
-		print STDERR "$ARGV:$.: malformed //sys declaration\n";
-		$errors = 1;
-		next;
-	}
-	my ($nb, $func, $in, $out, $modname, $sysname) = ($1, $2, $3, $4, $5, $6);
-
-	# Split argument lists on comma.
-	my @in = parseparamlist($in);
-	my @out = parseparamlist($out);
-
-	$in = join(', ', @in);
-	$out = join(', ', @out);
-
-	# Try in vain to keep people from editing this file.
-	# The theory is that they jump into the middle of the file
-	# without reading the header.
-	$text .= "// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT\n\n";
-
-	# Check if value return, err return available
-	my $errvar = "";
-	my $retvar = "";
-	my $rettype = "";
-	foreach my $p (@out) {
-		my ($name, $type) = parseparam($p);
-		if($type eq "error") {
-			$errvar = $name;
-		} else {
-			$retvar = $name;
-			$rettype = $type;
-		}
-	}
-
-	# System call name.
-	#if($func ne "fcntl") {
-
-	if($sysname eq "") {
-		$sysname = "$func";
-	}
-
-	$sysname =~ s/([a-z])([A-Z])/${1}_$2/g;
-	$sysname =~ y/A-Z/a-z/; # All libc functions are lowercase.
-
-	my $C_rettype = "";
-	if($rettype eq "unsafe.Pointer") {
-		$C_rettype = "uintptr_t";
-	} elsif($rettype eq "uintptr") {
-		$C_rettype = "uintptr_t";
-	} elsif($rettype =~ /^_/) {
-		$C_rettype = "uintptr_t";
-	} elsif($rettype eq "int") {
-		$C_rettype = "int";
-	} elsif($rettype eq "int32") {
-		$C_rettype = "int";
-	} elsif($rettype eq "int64") {
-		$C_rettype = "long long";
-	} elsif($rettype eq "uint32") {
-		$C_rettype = "unsigned int";
-	} elsif($rettype eq "uint64") {
-		$C_rettype = "unsigned long long";
-	} else {
-		$C_rettype = "int";
-	}
-	if($sysname eq "exit") {
-		$C_rettype = "void";
-	}
-
-	# Change types to c
-	my @c_in = ();
-	foreach my $p (@in) {
-		my ($name, $type) = parseparam($p);
-		if($type =~ /^\*/) {
-			push @c_in, "uintptr_t";
-			} elsif($type eq "string") {
-			push @c_in, "uintptr_t";
-		} elsif($type =~ /^\[\](.*)/) {
-			push @c_in, "uintptr_t", "size_t";
-		} elsif($type eq "unsafe.Pointer") {
-			push @c_in, "uintptr_t";
-		} elsif($type eq "uintptr") {
-			push @c_in, "uintptr_t";
-		} elsif($type =~ /^_/) {
-			push @c_in, "uintptr_t";
-		} elsif($type eq "int") {
-			push @c_in, "int";
-		} elsif($type eq "int32") {
-			push @c_in, "int";
-		} elsif($type eq "int64") {
-			push @c_in, "long long";
-		} elsif($type eq "uint32") {
-			push @c_in, "unsigned int";
-		} elsif($type eq "uint64") {
-			push @c_in, "unsigned long long";
-		} else {
-			push @c_in, "int";
-		}
-	}
-
-	if ($func ne "fcntl" && $func ne "FcntlInt" && $func ne "readlen" && $func ne "writelen") {
-		# Imports of system calls from libc
-		$c_extern .= "$C_rettype $sysname";
-		my $c_in = join(', ', @c_in);
-		$c_extern .= "($c_in);\n";
-	}
-
-	# So file name.
-	if($aix) {
-		if($modname eq "") {
-			$modname = "libc.a/shr_64.o";
-		} else {
-			print STDERR "$func: only syscall using libc are available\n";
-			$errors = 1;
-			next;
-		}
-	}
-
-	my $strconvfunc = "C.CString";
-	my $strconvtype = "*byte";
-
-	# Go function header.
-	if($out ne "") {
-		$out = " ($out)";
-	}
-	if($text ne "") {
-		$text .= "\n"
-	}
-
-	$text .= sprintf "func %s(%s)%s {\n", $func, join(', ', @in), $out ;
-
-	# Prepare arguments to call.
-	my @args = ();
-	my $n = 0;
-	my $arg_n = 0;
-	foreach my $p (@in) {
-		my ($name, $type) = parseparam($p);
-		if($type =~ /^\*/) {
-			push @args, "C.uintptr_t(uintptr(unsafe.Pointer($name)))";
-		} elsif($type eq "string" && $errvar ne "") {
-			$text .= "\t_p$n := uintptr(unsafe.Pointer($strconvfunc($name)))\n";
-			push @args, "C.uintptr_t(_p$n)";
-			$n++;
-		} elsif($type eq "string") {
-			print STDERR "$ARGV:$.: $func uses string arguments, but has no error return\n";
-			$text .= "\t_p$n := uintptr(unsafe.Pointer($strconvfunc($name)))\n";
-			push @args, "C.uintptr_t(_p$n)";
-			$n++;
-		} elsif($type =~ /^\[\](.*)/) {
-			# Convert slice into pointer, length.
-			# Have to be careful not to take address of &a[0] if len == 0:
-			# pass nil in that case.
-			$text .= "\tvar _p$n *$1\n";
-			$text .= "\tif len($name) > 0 {\n\t\t_p$n = \&$name\[0]\n\t}\n";
-			push @args, "C.uintptr_t(uintptr(unsafe.Pointer(_p$n)))";
-			$n++;
-			$text .= "\tvar _p$n int\n";
-			$text .= "\t_p$n = len($name)\n";
-			push @args, "C.size_t(_p$n)";
-			$n++;
-		} elsif($type eq "int64" && $_32bit ne "") {
-			if($_32bit eq "big-endian") {
-				push @args, "uintptr($name >> 32)", "uintptr($name)";
-			} else {
-				push @args, "uintptr($name)", "uintptr($name >> 32)";
-			}
-			$n++;
-		} elsif($type eq "bool") {
-			$text .= "\tvar _p$n uint32\n";
-			$text .= "\tif $name {\n\t\t_p$n = 1\n\t} else {\n\t\t_p$n = 0\n\t}\n";
-			push @args, "_p$n";
-			$n++;
-		} elsif($type =~ /^_/) {
-			push @args, "C.uintptr_t(uintptr($name))";
-		} elsif($type eq "unsafe.Pointer") {
-			push @args, "C.uintptr_t(uintptr($name))";
-		} elsif($type eq "int") {
-			if (($arg_n == 2) && (($func eq "readlen") || ($func eq "writelen"))) {
-				push @args, "C.size_t($name)";
-			} elsif ($arg_n == 0 && $func eq "fcntl") {
-				push @args, "C.uintptr_t($name)";
-			} elsif (($arg_n == 2) && (($func eq "fcntl") || ($func eq "FcntlInt"))) {
-				push @args, "C.uintptr_t($name)";
-			} else {
-				push @args, "C.int($name)";
-			}
-		} elsif($type eq "int32") {
-			push @args, "C.int($name)";
-		} elsif($type eq "int64") {
-			push @args, "C.longlong($name)";
-		} elsif($type eq "uint32") {
-			push @args, "C.uint($name)";
-		} elsif($type eq "uint64") {
-			push @args, "C.ulonglong($name)";
-		} elsif($type eq "uintptr") {
-			push @args, "C.uintptr_t($name)";
-		} else {
-			push @args, "C.int($name)";
-		}
-		$arg_n++;
-	}
-	my $nargs = @args;
-
-
-	# Determine which form to use; pad args with zeros.
-	if ($nonblock) {
-	}
-
-	my $args = join(', ', @args);
-	my $call = "";
-	if ($sysname eq "exit") {
-		if ($errvar ne "") {
-			$call .= "er :=";
-		} else {
-			$call .= "";
-		}
-	}  elsif ($errvar ne "") {
-		$call .= "r0,er :=";
-	}  elsif ($retvar ne "") {
-		$call .= "r0,_ :=";
-	}  else {
-		$call .= ""
-	}
-	$call .= "C.$sysname($args)";
-
-	# Assign return values.
-	my $body = "";
-	my $failexpr = "";
-
-	for(my $i=0; $i<@out; $i++) {
-		my $p = $out[$i];
-		my ($name, $type) = parseparam($p);
-		my $reg = "";
-		if($name eq "err") {
-			$reg = "e1";
-		} else {
-			$reg = "r0";
-		}
-		if($reg ne "e1" ) {
-						$body .= "\t$name = $type($reg)\n";
-		}
-	}
-
-	# verify return
-	if ($sysname ne "exit" && $errvar ne "") {
-		if ($C_rettype =~ /^uintptr/) {
-			$body .= "\tif \(uintptr\(r0\) ==\^uintptr\(0\) && er != nil\) {\n";
-			$body .= "\t\t$errvar = er\n";
-			$body .= "\t}\n";
-		} else {
-			$body .= "\tif \(r0 ==-1 && er != nil\) {\n";
-			$body .= "\t\t$errvar = er\n";
-			$body .= "\t}\n";
-		}
-	} elsif ($errvar ne "") {
-		$body .= "\tif \(er != nil\) {\n";
-		$body .= "\t\t$errvar = er\n";
-		$body .= "\t}\n";
-	}
-
-	$text .= "\t$call\n";
-	$text .= $body;
-
-	$text .= "\treturn\n";
-	$text .= "}\n";
-}
-
-if($errors) {
-	exit 1;
-}
-
-print <<EOF;
-// $cmdline
-// Code generated by the command above; see README.md. DO NOT EDIT.
-
-// +build $tags
-
-package $package
-
-
-$c_extern
-*/
-import "C"
-import (
-	"unsafe"
-)
-
-
-EOF
-
-print "import \"golang.org/x/sys/unix\"\n" if $package ne "unix";
-
-chomp($_=<<EOF);
-
-$text
-EOF
-print $_;
-exit 0;

vendor/golang.org/x/sys/unix/mksysnum.go

@@ -0,0 +1,190 @@
+// Copyright 2018 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 ignore
+
+// Generate system call table for DragonFly, NetBSD,
+// FreeBSD, OpenBSD or Darwin from master list
+// (for example, /usr/src/sys/kern/syscalls.master or
+// sys/syscall.h).
+package main
+
+import (
+	"bufio"
+	"fmt"
+	"io"
+	"io/ioutil"
+	"net/http"
+	"os"
+	"regexp"
+	"strings"
+)
+
+var (
+	goos, goarch string
+)
+
+// cmdLine returns this programs's commandline arguments
+func cmdLine() string {
+	return "go run mksysnum.go " + strings.Join(os.Args[1:], " ")
+}
+
+// buildTags returns build tags
+func buildTags() string {
+	return fmt.Sprintf("%s,%s", goarch, goos)
+}
+
+func checkErr(err error) {
+	if err != nil {
+		fmt.Fprintf(os.Stderr, "%v\n", err)
+		os.Exit(1)
+	}
+}
+
+// source string and substring slice for regexp
+type re struct {
+	str string   // source string
+	sub []string // matched sub-string
+}
+
+// Match performs regular expression match
+func (r *re) Match(exp string) bool {
+	r.sub = regexp.MustCompile(exp).FindStringSubmatch(r.str)
+	if r.sub != nil {
+		return true
+	}
+	return false
+}
+
+// fetchFile fetches a text file from URL
+func fetchFile(URL string) io.Reader {
+	resp, err := http.Get(URL)
+	checkErr(err)
+	defer resp.Body.Close()
+	body, err := ioutil.ReadAll(resp.Body)
+	checkErr(err)
+	return strings.NewReader(string(body))
+}
+
+// readFile reads a text file from path
+func readFile(path string) io.Reader {
+	file, err := os.Open(os.Args[1])
+	checkErr(err)
+	return file
+}
+
+func format(name, num, proto string) string {
+	name = strings.ToUpper(name)
+	// There are multiple entries for enosys and nosys, so comment them out.
+	nm := re{str: name}
+	if nm.Match(`^SYS_E?NOSYS$`) {
+		name = fmt.Sprintf("// %s", name)
+	}
+	if name == `SYS_SYS_EXIT` {
+		name = `SYS_EXIT`
+	}
+	return fmt.Sprintf("	%s = %s;  // %s\n", name, num, proto)
+}
+
+func main() {
+	// Get the OS (using GOOS_TARGET if it exist)
+	goos = os.Getenv("GOOS_TARGET")
+	if goos == "" {
+		goos = os.Getenv("GOOS")
+	}
+	// Get the architecture (using GOARCH_TARGET if it exists)
+	goarch = os.Getenv("GOARCH_TARGET")
+	if goarch == "" {
+		goarch = os.Getenv("GOARCH")
+	}
+	// Check if GOOS and GOARCH environment variables are defined
+	if goarch == "" || goos == "" {
+		fmt.Fprintf(os.Stderr, "GOARCH or GOOS not defined in environment\n")
+		os.Exit(1)
+	}
+
+	file := strings.TrimSpace(os.Args[1])
+	var syscalls io.Reader
+	if strings.HasPrefix(file, "https://") || strings.HasPrefix(file, "http://") {
+		// Download syscalls.master file
+		syscalls = fetchFile(file)
+	} else {
+		syscalls = readFile(file)
+	}
+
+	var text, line string
+	s := bufio.NewScanner(syscalls)
+	for s.Scan() {
+		t := re{str: line}
+		if t.Match(`^(.*)\\$`) {
+			// Handle continuation
+			line = t.sub[1]
+			line += strings.TrimLeft(s.Text(), " \t")
+		} else {
+			// New line
+			line = s.Text()
+		}
+		t = re{str: line}
+		if t.Match(`\\$`) {
+			continue
+		}
+		t = re{str: line}
+
+		switch goos {
+		case "dragonfly":
+			if t.Match(`^([0-9]+)\s+STD\s+({ \S+\s+(\w+).*)$`) {
+				num, proto := t.sub[1], t.sub[2]
+				name := fmt.Sprintf("SYS_%s", t.sub[3])
+				text += format(name, num, proto)
+			}
+		case "freebsd":
+			if t.Match(`^([0-9]+)\s+\S+\s+(?:NO)?STD\s+({ \S+\s+(\w+).*)$`) {
+				num, proto := t.sub[1], t.sub[2]
+				name := fmt.Sprintf("SYS_%s", t.sub[3])
+				text += format(name, num, proto)
+			}
+		case "openbsd":
+			if t.Match(`^([0-9]+)\s+STD\s+(NOLOCK\s+)?({ \S+\s+\*?(\w+).*)$`) {
+				num, proto, name := t.sub[1], t.sub[3], t.sub[4]
+				text += format(name, num, proto)
+			}
+		case "netbsd":
+			if t.Match(`^([0-9]+)\s+((STD)|(NOERR))\s+(RUMP\s+)?({\s+\S+\s*\*?\s*\|(\S+)\|(\S*)\|(\w+).*\s+})(\s+(\S+))?$`) {
+				num, proto, compat := t.sub[1], t.sub[6], t.sub[8]
+				name := t.sub[7] + "_" + t.sub[9]
+				if t.sub[11] != "" {
+					name = t.sub[7] + "_" + t.sub[11]
+				}
+				name = strings.ToUpper(name)
+				if compat == "" || compat == "13" || compat == "30" || compat == "50" {
+					text += fmt.Sprintf("	%s = %s;  // %s\n", name, num, proto)
+				}
+			}
+		case "darwin":
+			if t.Match(`^#define\s+SYS_(\w+)\s+([0-9]+)`) {
+				name, num := t.sub[1], t.sub[2]
+				name = strings.ToUpper(name)
+				text += fmt.Sprintf("	SYS_%s = %s;\n", name, num)
+			}
+		default:
+			fmt.Fprintf(os.Stderr, "unrecognized GOOS=%s\n", goos)
+			os.Exit(1)
+
+		}
+	}
+	err := s.Err()
+	checkErr(err)
+
+	fmt.Printf(template, cmdLine(), buildTags(), text)
+}
+
+const template = `// %s
+// Code generated by the command above; see README.md. DO NOT EDIT.
+
+// +build %s
+
+package unix
+
+const(
+%s)`

vendor/golang.org/x/sys/unix/mksysnum_darwin.pl

@@ -1,39 +0,0 @@
-#!/usr/bin/env perl
-# Copyright 2009 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.
-#
-# Generate system call table for Darwin from sys/syscall.h
-
-use strict;
-
-if($ENV{'GOARCH'} eq "" || $ENV{'GOOS'} eq "") {
-	print STDERR "GOARCH or GOOS not defined in environment\n";
-	exit 1;
-}
-
-my $command = "mksysnum_darwin.pl " . join(' ', @ARGV);
-
-print <<EOF;
-// $command
-// Code generated by the command above; see README.md. DO NOT EDIT.
-
-// +build $ENV{'GOARCH'},$ENV{'GOOS'}
-
-package unix
-
-const (
-EOF
-
-while(<>){
-	if(/^#define\s+SYS_(\w+)\s+([0-9]+)/){
-		my $name = $1;
-		my $num = $2;
-		$name =~ y/a-z/A-Z/;
-		print "	SYS_$name = $num;"
-	}
-}
-
-print <<EOF;
-)
-EOF

vendor/golang.org/x/sys/unix/mksysnum_dragonfly.pl

@@ -1,50 +0,0 @@
-#!/usr/bin/env perl
-# Copyright 2009 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.
-#
-# Generate system call table for DragonFly from master list
-# (for example, /usr/src/sys/kern/syscalls.master).
-
-use strict;
-
-if($ENV{'GOARCH'} eq "" || $ENV{'GOOS'} eq "") {
-	print STDERR "GOARCH or GOOS not defined in environment\n";
-	exit 1;
-}
-
-my $command = "mksysnum_dragonfly.pl " . join(' ', @ARGV);
-
-print <<EOF;
-// $command
-// Code generated by the command above; see README.md. DO NOT EDIT.
-
-// +build $ENV{'GOARCH'},$ENV{'GOOS'}
-
-package unix
-
-const (
-EOF
-
-while(<>){
-	if(/^([0-9]+)\s+STD\s+({ \S+\s+(\w+).*)$/){
-		my $num = $1;
-		my $proto = $2;
-		my $name = "SYS_$3";
-		$name =~ y/a-z/A-Z/;
-
-		# There are multiple entries for enosys and nosys, so comment them out.
-		if($name =~ /^SYS_E?NOSYS$/){
-			$name = "// $name";
-		}
-		if($name eq 'SYS_SYS_EXIT'){
-			$name = 'SYS_EXIT';
-		}
-
-		print "	$name = $num;  // $proto\n";
-	}
-}
-
-print <<EOF;
-)
-EOF

vendor/golang.org/x/sys/unix/mksysnum_freebsd.pl

@@ -1,50 +0,0 @@
-#!/usr/bin/env perl
-# Copyright 2009 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.
-#
-# Generate system call table for FreeBSD from master list
-# (for example, /usr/src/sys/kern/syscalls.master).
-
-use strict;
-
-if($ENV{'GOARCH'} eq "" || $ENV{'GOOS'} eq "") {
-	print STDERR "GOARCH or GOOS not defined in environment\n";
-	exit 1;
-}
-
-my $command = "mksysnum_freebsd.pl " . join(' ', @ARGV);
-
-print <<EOF;
-// $command
-// Code generated by the command above; see README.md. DO NOT EDIT.
-
-// +build $ENV{'GOARCH'},$ENV{'GOOS'}
-
-package unix
-
-const (
-EOF
-
-while(<>){
-	if(/^([0-9]+)\s+\S+\s+(?:NO)?STD\s+({ \S+\s+(\w+).*)$/){
-		my $num = $1;
-		my $proto = $2;
-		my $name = "SYS_$3";
-		$name =~ y/a-z/A-Z/;
-
-		# There are multiple entries for enosys and nosys, so comment them out.
-		if($name =~ /^SYS_E?NOSYS$/){
-			$name = "// $name";
-		}
-		if($name eq 'SYS_SYS_EXIT'){
-			$name = 'SYS_EXIT';
-		}
-
-		print "	$name = $num;  // $proto\n";
-	}
-}
-
-print <<EOF;
-)
-EOF

vendor/golang.org/x/sys/unix/mksysnum_netbsd.pl

@@ -1,58 +0,0 @@
-#!/usr/bin/env perl
-# Copyright 2009 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.
-#
-# Generate system call table for OpenBSD from master list
-# (for example, /usr/src/sys/kern/syscalls.master).
-
-use strict;
-
-if($ENV{'GOARCH'} eq "" || $ENV{'GOOS'} eq "") {
-	print STDERR "GOARCH or GOOS not defined in environment\n";
-	exit 1;
-}
-
-my $command = "mksysnum_netbsd.pl " . join(' ', @ARGV);
-
-print <<EOF;
-// $command
-// Code generated by the command above; see README.md. DO NOT EDIT.
-
-// +build $ENV{'GOARCH'},$ENV{'GOOS'}
-
-package unix
-
-const (
-EOF
-
-my $line = '';
-while(<>){
-	if($line =~ /^(.*)\\$/) {
-		# Handle continuation
-		$line = $1;
-		$_ =~ s/^\s+//;
-		$line .= $_;
-	} else {
-		# New line
-		$line = $_;
-	}
-	next if $line =~ /\\$/;
-	if($line =~ /^([0-9]+)\s+((STD)|(NOERR))\s+(RUMP\s+)?({\s+\S+\s*\*?\s*\|(\S+)\|(\S*)\|(\w+).*\s+})(\s+(\S+))?$/) {
-		my $num = $1;
-		my $proto = $6;
-		my $compat = $8;
-		my $name = "$7_$9";
-
-		$name = "$7_$11" if $11 ne '';
-		$name =~ y/a-z/A-Z/;
-
-		if($compat eq '' || $compat eq '13' || $compat eq '30' || $compat eq '50') {
-			print "	$name = $num;  // $proto\n";
-		}
-	}
-}
-
-print <<EOF;
-)
-EOF

vendor/golang.org/x/sys/unix/mksysnum_openbsd.pl

@@ -1,50 +0,0 @@
-#!/usr/bin/env perl
-# Copyright 2009 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.
-#
-# Generate system call table for OpenBSD from master list
-# (for example, /usr/src/sys/kern/syscalls.master).
-
-use strict;
-
-if($ENV{'GOARCH'} eq "" || $ENV{'GOOS'} eq "") {
-	print STDERR "GOARCH or GOOS not defined in environment\n";
-	exit 1;
-}
-
-my $command = "mksysnum_openbsd.pl " . join(' ', @ARGV);
-
-print <<EOF;
-// $command
-// Code generated by the command above; see README.md. DO NOT EDIT.
-
-// +build $ENV{'GOARCH'},$ENV{'GOOS'}
-
-package unix
-
-const (
-EOF
-
-while(<>){
-	if(/^([0-9]+)\s+STD\s+(NOLOCK\s+)?({ \S+\s+\*?(\w+).*)$/){
-		my $num = $1;
-		my $proto = $3;
-		my $name = $4;
-		$name =~ y/a-z/A-Z/;
-
-		# There are multiple entries for enosys and nosys, so comment them out.
-		if($name =~ /^SYS_E?NOSYS$/){
-			$name = "// $name";
-		}
-		if($name eq 'SYS_SYS_EXIT'){
-			$name = 'SYS_EXIT';
-		}
-
-		print "	$name = $num;  // $proto\n";
-	}
-}
-
-print <<EOF;
-)
-EOF

vendor/golang.org/x/sys/unix/sendfile_test.go

@@ -0,0 +1,98 @@
+// Copyright 2018 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 darwin,amd64 darwin,386 dragonfly freebsd linux solaris
+
+package unix_test
+
+import (
+	"io/ioutil"
+	"net"
+	"os"
+	"path/filepath"
+	"testing"
+
+	"golang.org/x/sys/unix"
+)
+
+func TestSendfile(t *testing.T) {
+	// Set up source data file.
+	tempDir, err := ioutil.TempDir("", "TestSendfile")
+	if err != nil {
+		t.Fatal(err)
+	}
+	defer os.RemoveAll(tempDir)
+	name := filepath.Join(tempDir, "source")
+	const contents = "contents"
+	err = ioutil.WriteFile(name, []byte(contents), 0666)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	done := make(chan bool)
+
+	// Start server listening on a socket.
+	ln, err := net.Listen("tcp", "127.0.0.1:0")
+	if err != nil {
+		t.Skipf("listen failed: %s\n", err)
+	}
+	defer ln.Close()
+	go func() {
+		conn, err := ln.Accept()
+		if err != nil {
+			t.Fatal(err)
+		}
+		defer conn.Close()
+		b, err := ioutil.ReadAll(conn)
+		if string(b) != contents {
+			t.Errorf("contents not transmitted: got %s (len=%d), want %s", string(b), len(b), contents)
+		}
+		done <- true
+	}()
+
+	// Open source file.
+	src, err := os.Open(name)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	// Send source file to server.
+	conn, err := net.Dial("tcp", ln.Addr().String())
+	if err != nil {
+		t.Fatal(err)
+	}
+	file, err := conn.(*net.TCPConn).File()
+	if err != nil {
+		t.Fatal(err)
+	}
+	var off int64
+	n, err := unix.Sendfile(int(file.Fd()), int(src.Fd()), &off, len(contents))
+	if err != nil {
+		t.Errorf("Sendfile failed %s\n", err)
+	}
+	if n != len(contents) {
+		t.Errorf("written count wrong: want %d, got %d", len(contents), n)
+	}
+	// Note: off is updated on some systems and not others. Oh well.
+	// Linux: increments off by the amount sent.
+	// Darwin: leaves off unchanged.
+	// It would be nice to fix Darwin if we can.
+	if off != 0 && off != int64(len(contents)) {
+		t.Errorf("offset wrong: god %d, want %d or %d", off, 0, len(contents))
+	}
+	// The cursor position should be unchanged.
+	pos, err := src.Seek(0, 1)
+	if err != nil {
+		t.Errorf("can't get cursor position %s\n", err)
+	}
+	if pos != 0 {
+		t.Errorf("cursor position wrong: got %d, want 0", pos)
+	}
+
+	file.Close() // Note: required to have the close below really send EOF to the server.
+	conn.Close()
+
+	// Wait for server to close.
+	<-done
+}

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

@@ -8,17 +8,30 @@
 
 package unix
 
-import "unsafe"
+import (
+	"runtime"
+	"unsafe"
+)
 
 // Round the length of a raw sockaddr up to align it properly.
 func cmsgAlignOf(salen int) int {
 	salign := SizeofPtr
-	// NOTE: It seems like 64-bit Darwin, DragonFly BSD and
-	// Solaris kernels still require 32-bit aligned access to
-	// network subsystem.
-	if darwin64Bit || dragonfly64Bit || solaris64Bit {
-		salign = 4
+
+	switch runtime.GOOS {
+	case "darwin", "dragonfly", "solaris":
+		// NOTE: It seems like 64-bit Darwin, DragonFly BSD and
+		// Solaris kernels still require 32-bit aligned access to
+		// network subsystem.
+		if SizeofPtr == 8 {
+			salign = 4
+		}
+	case "openbsd":
+		// OpenBSD armv7 requires 64-bit alignment.
+		if runtime.GOARCH == "arm" {
+			salign = 8
+		}
 	}
+
 	return (salen + salign - 1) & ^(salign - 1)
 }
 

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

@@ -13,10 +13,7 @@
 
 package unix
 
-import (
-	"syscall"
-	"unsafe"
-)
+import "unsafe"
 
 /*
  * Wrapped
@@ -271,6 +268,13 @@ func Gettimeofday(tv *Timeval) (err error) {
 	return
 }
 
+func Sendfile(outfd int, infd int, offset *int64, count int) (written int, err error) {
+	if raceenabled {
+		raceReleaseMerge(unsafe.Pointer(&ioSync))
+	}
+	return sendfile(outfd, infd, offset, count)
+}
+
 // TODO
 func sendfile(outfd int, infd int, offset *int64, count int) (written int, err error) {
 	return -1, ENOSYS
@@ -385,10 +389,6 @@ func IoctlGetTermios(fd int, req uint) (*Termios, error) {
 
 //sys	fcntl(fd int, cmd int, arg int) (val int, err error)
 
-func Flock(fd int, how int) (err error) {
-	return syscall.Flock(fd, how)
-}
-
 /*
  * Direct access
  */

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

@@ -108,17 +108,8 @@ func getAttrList(path string, attrList attrList, attrBuf []byte, options uint) (
 		return nil, err
 	}
 
-	_, _, e1 := Syscall6(
-		SYS_GETATTRLIST,
-		uintptr(unsafe.Pointer(_p0)),
-		uintptr(unsafe.Pointer(&attrList)),
-		uintptr(unsafe.Pointer(&attrBuf[0])),
-		uintptr(len(attrBuf)),
-		uintptr(options),
-		0,
-	)
-	if e1 != 0 {
-		return nil, e1
+	if err := getattrlist(_p0, unsafe.Pointer(&attrList), unsafe.Pointer(&attrBuf[0]), uintptr(len(attrBuf)), int(options)); err != nil {
+		return nil, err
 	}
 	size := *(*uint32)(unsafe.Pointer(&attrBuf[0]))
 
@@ -151,6 +142,8 @@ func getAttrList(path string, attrList attrList, attrBuf []byte, options uint) (
 	return
 }
 
+//sys getattrlist(path *byte, list unsafe.Pointer, buf unsafe.Pointer, size uintptr, options int) (err error)
+
 //sysnb pipe() (r int, w int, err error)
 
 func Pipe(p []int) (err error) {
@@ -168,12 +161,7 @@ func Getfsstat(buf []Statfs_t, flags int) (n int, err error) {
 		_p0 = unsafe.Pointer(&buf[0])
 		bufsize = unsafe.Sizeof(Statfs_t{}) * uintptr(len(buf))
 	}
-	r0, _, e1 := Syscall(SYS_GETFSSTAT64, uintptr(_p0), bufsize, uintptr(flags))
-	n = int(r0)
-	if e1 != 0 {
-		err = e1
-	}
-	return
+	return getfsstat(_p0, bufsize, flags)
 }
 
 func xattrPointer(dest []byte) *byte {
@@ -298,21 +286,16 @@ func setattrlistTimes(path string, times []Timespec, flags int) error {
 	if flags&AT_SYMLINK_NOFOLLOW != 0 {
 		options |= FSOPT_NOFOLLOW
 	}
-	_, _, e1 := Syscall6(
-		SYS_SETATTRLIST,
-		uintptr(unsafe.Pointer(_p0)),
-		uintptr(unsafe.Pointer(&attrList)),
-		uintptr(unsafe.Pointer(&attributes)),
-		uintptr(unsafe.Sizeof(attributes)),
-		uintptr(options),
-		0,
-	)
-	if e1 != 0 {
-		return e1
-	}
-	return nil
+	return setattrlist(
+		_p0,
+		unsafe.Pointer(&attrList),
+		unsafe.Pointer(&attributes),
+		unsafe.Sizeof(attributes),
+		options)
 }
 
+//sys setattrlist(path *byte, list unsafe.Pointer, buf unsafe.Pointer, size uintptr, options int) (err error)
+
 func utimensat(dirfd int, path string, times *[2]Timespec, flags int) error {
 	// Darwin doesn't support SYS_UTIMENSAT
 	return ENOSYS
@@ -411,6 +394,18 @@ func Uname(uname *Utsname) error {
 	return nil
 }
 
+func Sendfile(outfd int, infd int, offset *int64, count int) (written int, err error) {
+	if raceenabled {
+		raceReleaseMerge(unsafe.Pointer(&ioSync))
+	}
+	var length = int64(count)
+	err = sendfile(infd, outfd, *offset, &length, nil, 0)
+	written = int(length)
+	return
+}
+
+//sys	sendfile(infd int, outfd int, offset int64, len *int64, hdtr unsafe.Pointer, flags int) (err error)
+
 /*
  * Exposed directly
  */
@@ -435,12 +430,8 @@ func Uname(uname *Utsname) error {
 //sys	Fchownat(dirfd int, path string, uid int, gid int, flags int) (err error)
 //sys	Flock(fd int, how int) (err error)
 //sys	Fpathconf(fd int, name int) (val int, err error)
-//sys	Fstat(fd int, stat *Stat_t) (err error) = SYS_FSTAT64
-//sys	Fstatat(fd int, path string, stat *Stat_t, flags int) (err error) = SYS_FSTATAT64
-//sys	Fstatfs(fd int, stat *Statfs_t) (err error) = SYS_FSTATFS64
 //sys	Fsync(fd int) (err error)
 //sys	Ftruncate(fd int, length int64) (err error)
-//sys	Getdirentries(fd int, buf []byte, basep *uintptr) (n int, err error) = SYS_GETDIRENTRIES64
 //sys	Getdtablesize() (size int)
 //sysnb	Getegid() (egid int)
 //sysnb	Geteuid() (uid int)
@@ -460,7 +451,6 @@ func Uname(uname *Utsname) error {
 //sys	Link(path string, link string) (err error)
 //sys	Linkat(pathfd int, path string, linkfd int, link string, flags int) (err error)
 //sys	Listen(s int, backlog int) (err error)
-//sys	Lstat(path string, stat *Stat_t) (err error) = SYS_LSTAT64
 //sys	Mkdir(path string, mode uint32) (err error)
 //sys	Mkdirat(dirfd int, path string, mode uint32) (err error)
 //sys	Mkfifo(path string, mode uint32) (err error)
@@ -492,8 +482,6 @@ func Uname(uname *Utsname) error {
 //sysnb	Setsid() (pid int, err error)
 //sysnb	Settimeofday(tp *Timeval) (err error)
 //sysnb	Setuid(uid int) (err error)
-//sys	Stat(path string, stat *Stat_t) (err error) = SYS_STAT64
-//sys	Statfs(path string, stat *Statfs_t) (err error) = SYS_STATFS64
 //sys	Symlink(path string, link string) (err error)
 //sys	Symlinkat(oldpath string, newdirfd int, newpath string) (err error)
 //sys	Sync() (err error)

vendor/golang.org/x/sys/unix/syscall_darwin_386.go

@@ -8,7 +8,6 @@ package unix
 
 import (
 	"syscall"
-	"unsafe"
 )
 
 func setTimespec(sec, nsec int64) Timespec {
@@ -48,21 +47,17 @@ func (cmsg *Cmsghdr) SetLen(length int) {
 	cmsg.Len = uint32(length)
 }
 
-func sendfile(outfd int, infd int, offset *int64, count int) (written int, err error) {
-	var length = uint64(count)
-
-	_, _, e1 := Syscall9(SYS_SENDFILE, uintptr(infd), uintptr(outfd), uintptr(*offset), uintptr(*offset>>32), uintptr(unsafe.Pointer(&length)), 0, 0, 0, 0)
-
-	written = int(length)
-
-	if e1 != 0 {
-		err = e1
-	}
-	return
-}
-
 func Syscall9(num, a1, a2, a3, a4, a5, a6, a7, a8, a9 uintptr) (r1, r2 uintptr, err syscall.Errno)
 
 // SYS___SYSCTL is used by syscall_bsd.go for all BSDs, but in modern versions
 // of darwin/386 the syscall is called sysctl instead of __sysctl.
 const SYS___SYSCTL = SYS_SYSCTL
+
+//sys	Fstat(fd int, stat *Stat_t) (err error) = SYS_FSTAT64
+//sys	Fstatat(fd int, path string, stat *Stat_t, flags int) (err error) = SYS_FSTATAT64
+//sys	Fstatfs(fd int, stat *Statfs_t) (err error) = SYS_FSTATFS64
+//sys	Getdirentries(fd int, buf []byte, basep *uintptr) (n int, err error) = SYS_GETDIRENTRIES64
+//sys	getfsstat(buf unsafe.Pointer, size uintptr, flags int) (n int, err error) = SYS_GETFSSTAT64
+//sys	Lstat(path string, stat *Stat_t) (err error) = SYS_LSTAT64
+//sys	Stat(path string, stat *Stat_t) (err error) = SYS_STAT64
+//sys	Statfs(path string, stat *Statfs_t) (err error) = SYS_STATFS64

vendor/golang.org/x/sys/unix/syscall_darwin_amd64.go

@@ -8,7 +8,6 @@ package unix
 
 import (
 	"syscall"
-	"unsafe"
 )
 
 func setTimespec(sec, nsec int64) Timespec {
@@ -48,21 +47,17 @@ func (cmsg *Cmsghdr) SetLen(length int) {
 	cmsg.Len = uint32(length)
 }
 
-func sendfile(outfd int, infd int, offset *int64, count int) (written int, err error) {
-	var length = uint64(count)
-
-	_, _, e1 := Syscall6(SYS_SENDFILE, uintptr(infd), uintptr(outfd), uintptr(*offset), uintptr(unsafe.Pointer(&length)), 0, 0)
-
-	written = int(length)
-
-	if e1 != 0 {
-		err = e1
-	}
-	return
-}
-
 func Syscall9(num, a1, a2, a3, a4, a5, a6, a7, a8, a9 uintptr) (r1, r2 uintptr, err syscall.Errno)
 
 // SYS___SYSCTL is used by syscall_bsd.go for all BSDs, but in modern versions
 // of darwin/amd64 the syscall is called sysctl instead of __sysctl.
 const SYS___SYSCTL = SYS_SYSCTL
+
+//sys	Fstat(fd int, stat *Stat_t) (err error) = SYS_FSTAT64
+//sys	Fstatat(fd int, path string, stat *Stat_t, flags int) (err error) = SYS_FSTATAT64
+//sys	Fstatfs(fd int, stat *Statfs_t) (err error) = SYS_FSTATFS64
+//sys	Getdirentries(fd int, buf []byte, basep *uintptr) (n int, err error) = SYS_GETDIRENTRIES64
+//sys	getfsstat(buf unsafe.Pointer, size uintptr, flags int) (n int, err error) = SYS_GETFSSTAT64
+//sys	Lstat(path string, stat *Stat_t) (err error) = SYS_LSTAT64
+//sys	Stat(path string, stat *Stat_t) (err error) = SYS_STAT64
+//sys	Statfs(path string, stat *Statfs_t) (err error) = SYS_STATFS64

vendor/golang.org/x/sys/unix/syscall_darwin_arm.go

@@ -6,7 +6,6 @@ package unix
 
 import (
 	"syscall"
-	"unsafe"
 )
 
 func setTimespec(sec, nsec int64) Timespec {
@@ -46,21 +45,20 @@ func (cmsg *Cmsghdr) SetLen(length int) {
 	cmsg.Len = uint32(length)
 }
 
-func sendfile(outfd int, infd int, offset *int64, count int) (written int, err error) {
-	var length = uint64(count)
-
-	_, _, e1 := Syscall9(SYS_SENDFILE, uintptr(infd), uintptr(outfd), uintptr(*offset), uintptr(*offset>>32), uintptr(unsafe.Pointer(&length)), 0, 0, 0, 0)
-
-	written = int(length)
-
-	if e1 != 0 {
-		err = e1
-	}
-	return
-}
-
 func Syscall9(num, a1, a2, a3, a4, a5, a6, a7, a8, a9 uintptr) (r1, r2 uintptr, err syscall.Errno) // sic
 
 // SYS___SYSCTL is used by syscall_bsd.go for all BSDs, but in modern versions
 // of darwin/arm the syscall is called sysctl instead of __sysctl.
 const SYS___SYSCTL = SYS_SYSCTL
+
+//sys	Fstat(fd int, stat *Stat_t) (err error)
+//sys	Fstatat(fd int, path string, stat *Stat_t, flags int) (err error)
+//sys	Fstatfs(fd int, stat *Statfs_t) (err error)
+//sys	getfsstat(buf unsafe.Pointer, size uintptr, flags int) (n int, err error) = SYS_GETFSSTAT
+//sys	Lstat(path string, stat *Stat_t) (err error)
+//sys	Stat(path string, stat *Stat_t) (err error)
+//sys	Statfs(path string, stat *Statfs_t) (err error)
+
+func Getdirentries(fd int, buf []byte, basep *uintptr) (n int, err error) {
+	return 0, ENOSYS
+}

vendor/golang.org/x/sys/unix/syscall_darwin_arm64.go

@@ -8,7 +8,6 @@ package unix
 
 import (
 	"syscall"
-	"unsafe"
 )
 
 func setTimespec(sec, nsec int64) Timespec {
@@ -48,21 +47,20 @@ func (cmsg *Cmsghdr) SetLen(length int) {
 	cmsg.Len = uint32(length)
 }
 
-func sendfile(outfd int, infd int, offset *int64, count int) (written int, err error) {
-	var length = uint64(count)
-
-	_, _, e1 := Syscall6(SYS_SENDFILE, uintptr(infd), uintptr(outfd), uintptr(*offset), uintptr(unsafe.Pointer(&length)), 0, 0)
-
-	written = int(length)
-
-	if e1 != 0 {
-		err = e1
-	}
-	return
-}
-
 func Syscall9(num, a1, a2, a3, a4, a5, a6, a7, a8, a9 uintptr) (r1, r2 uintptr, err syscall.Errno) // sic
 
 // SYS___SYSCTL is used by syscall_bsd.go for all BSDs, but in modern versions
 // of darwin/arm64 the syscall is called sysctl instead of __sysctl.
 const SYS___SYSCTL = SYS_SYSCTL
+
+//sys	Fstat(fd int, stat *Stat_t) (err error)
+//sys	Fstatat(fd int, path string, stat *Stat_t, flags int) (err error)
+//sys	Fstatfs(fd int, stat *Statfs_t) (err error)
+//sys	getfsstat(buf unsafe.Pointer, size uintptr, flags int) (n int, err error) = SYS_GETFSSTAT
+//sys	Lstat(path string, stat *Stat_t) (err error)
+//sys	Stat(path string, stat *Stat_t) (err error)
+//sys	Statfs(path string, stat *Statfs_t) (err error)
+
+func Getdirentries(fd int, buf []byte, basep *uintptr) (n int, err error) {
+	return 0, ENOSYS
+}

vendor/golang.org/x/sys/unix/syscall_darwin_libSystem.go

@@ -0,0 +1,31 @@
+// Copyright 2018 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 darwin,go1.12
+
+package unix
+
+import "unsafe"
+
+// Implemented in the runtime package (runtime/sys_darwin.go)
+func syscall_syscall(fn, a1, a2, a3 uintptr) (r1, r2 uintptr, err Errno)
+func syscall_syscall6(fn, a1, a2, a3, a4, a5, a6 uintptr) (r1, r2 uintptr, err Errno)
+func syscall_syscall6X(fn, a1, a2, a3, a4, a5, a6 uintptr) (r1, r2 uintptr, err Errno)
+func syscall_syscall9(fn, a1, a2, a3, a4, a5, a6, a7, a8, a9 uintptr) (r1, r2 uintptr, err Errno) // 32-bit only
+func syscall_rawSyscall(fn, a1, a2, a3 uintptr) (r1, r2 uintptr, err Errno)
+func syscall_rawSyscall6(fn, a1, a2, a3, a4, a5, a6 uintptr) (r1, r2 uintptr, err Errno)
+
+//go:linkname syscall_syscall syscall.syscall
+//go:linkname syscall_syscall6 syscall.syscall6
+//go:linkname syscall_syscall6X syscall.syscall6X
+//go:linkname syscall_syscall9 syscall.syscall9
+//go:linkname syscall_rawSyscall syscall.rawSyscall
+//go:linkname syscall_rawSyscall6 syscall.rawSyscall6
+
+// Find the entry point for f. See comments in runtime/proc.go for the
+// function of the same name.
+//go:nosplit
+func funcPC(f func()) uintptr {
+	return **(**uintptr)(unsafe.Pointer(&f))
+}

vendor/golang.org/x/sys/unix/syscall_dragonfly.go

@@ -234,6 +234,13 @@ func Uname(uname *Utsname) error {
 	return nil
 }
 
+func Sendfile(outfd int, infd int, offset *int64, count int) (written int, err error) {
+	if raceenabled {
+		raceReleaseMerge(unsafe.Pointer(&ioSync))
+	}
+	return sendfile(outfd, infd, offset, count)
+}
+
 /*
  * Exposed directly
  */

vendor/golang.org/x/sys/unix/syscall_freebsd.go

@@ -500,6 +500,13 @@ func convertFromDirents11(buf []byte, old []byte) int {
 	return dstPos
 }
 
+func Sendfile(outfd int, infd int, offset *int64, count int) (written int, err error) {
+	if raceenabled {
+		raceReleaseMerge(unsafe.Pointer(&ioSync))
+	}
+	return sendfile(outfd, infd, offset, count)
+}
+
 /*
  * Exposed directly
  */

vendor/golang.org/x/sys/unix/syscall_freebsd_arm64.go

@@ -0,0 +1,52 @@
+// Copyright 2018 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,freebsd
+
+package unix
+
+import (
+	"syscall"
+	"unsafe"
+)
+
+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)
+}
+
+func sendfile(outfd int, infd int, offset *int64, count int) (written int, err error) {
+	var writtenOut uint64 = 0
+	_, _, e1 := Syscall9(SYS_SENDFILE, uintptr(infd), uintptr(outfd), uintptr(*offset), uintptr(count), 0, uintptr(unsafe.Pointer(&writtenOut)), 0, 0, 0)
+
+	written = int(writtenOut)
+
+	if e1 != 0 {
+		err = e1
+	}
+	return
+}
+
+func Syscall9(num, a1, a2, a3, a4, a5, a6, a7, a8, a9 uintptr) (r1, r2 uintptr, err syscall.Errno)

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

@@ -1360,6 +1360,13 @@ func Mount(source string, target string, fstype string, flags uintptr, data stri
 	return mount(source, target, fstype, flags, datap)
 }
 
+func Sendfile(outfd int, infd int, offset *int64, count int) (written int, err error) {
+	if raceenabled {
+		raceReleaseMerge(unsafe.Pointer(&ioSync))
+	}
+	return sendfile(outfd, infd, offset, count)
+}
+
 // Sendto
 // Recvfrom
 // Socketpair
@@ -1374,6 +1381,7 @@ func Mount(source string, target string, fstype string, flags uintptr, data stri
 //sys	Chroot(path string) (err error)
 //sys	ClockGetres(clockid int32, res *Timespec) (err error)
 //sys	ClockGettime(clockid int32, time *Timespec) (err error)
+//sys	ClockNanosleep(clockid int32, flags int, request *Timespec, remain *Timespec) (err error)
 //sys	Close(fd int) (err error)
 //sys	CopyFileRange(rfd int, roff *int64, wfd int, woff *int64, len int, flags int) (n int, err error)
 //sys	DeleteModule(name string, flags int) (err error)
@@ -1459,6 +1467,7 @@ func Setgid(uid int) (err error) {
 
 //sys	Setpriority(which int, who int, prio int) (err error)
 //sys	Setxattr(path string, attr string, data []byte, flags int) (err error)
+//sys	Signalfd(fd int, mask *Sigset_t, flags int) = SYS_SIGNALFD4
 //sys	Statx(dirfd int, path string, flags int, mask int, stat *Statx_t) (err error)
 //sys	Sync()
 //sys	Syncfs(fd int) (err error)
@@ -1503,15 +1512,12 @@ func Munmap(b []byte) (err error) {
 // Vmsplice splices user pages from a slice of Iovecs into a pipe specified by fd,
 // using the specified flags.
 func Vmsplice(fd int, iovs []Iovec, flags int) (int, error) {
-	n, _, errno := Syscall6(
-		SYS_VMSPLICE,
-		uintptr(fd),
-		uintptr(unsafe.Pointer(&iovs[0])),
-		uintptr(len(iovs)),
-		uintptr(flags),
-		0,
-		0,
-	)
+	var p unsafe.Pointer
+	if len(iovs) > 0 {
+		p = unsafe.Pointer(&iovs[0])
+	}
+
+	n, _, errno := Syscall6(SYS_VMSPLICE, uintptr(fd), uintptr(p), uintptr(len(iovs)), uintptr(flags), 0, 0)
 	if errno != 0 {
 		return 0, syscall.Errno(errno)
 	}
@@ -1678,7 +1684,6 @@ func Faccessat(dirfd int, path string, mode uint32, flags int) (err error) {
 // Shmdt
 // Shmget
 // Sigaltstack
-// Signalfd
 // Swapoff
 // Swapon
 // Sysfs

vendor/golang.org/x/sys/unix/syscall_linux_amd64.go

@@ -20,12 +20,26 @@ package unix
 //sysnb	Getgid() (gid int)
 //sysnb	Getrlimit(resource int, rlim *Rlimit) (err error)
 //sysnb	Getuid() (uid int)
-//sysnb	InotifyInit() (fd int, err error)
+//sysnb	inotifyInit() (fd int, err error)
+
+func InotifyInit() (fd int, err error) {
+	// First try inotify_init1, because Android's seccomp policy blocks the latter.
+	fd, err = InotifyInit1(0)
+	if err == ENOSYS {
+		fd, err = inotifyInit()
+	}
+	return
+}
+
 //sys	Ioperm(from int, num int, on int) (err error)
 //sys	Iopl(level int) (err error)
 //sys	Lchown(path string, uid int, gid int) (err error)
 //sys	Listen(s int, n int) (err error)
-//sys	Lstat(path string, stat *Stat_t) (err error)
+
+func Lstat(path string, stat *Stat_t) (err error) {
+	return Fstatat(AT_FDCWD, path, stat, AT_SYMLINK_NOFOLLOW)
+}
+
 //sys	Pause() (err error)
 //sys	Pread(fd int, p []byte, offset int64) (n int, err error) = SYS_PREAD64
 //sys	Pwrite(fd int, p []byte, offset int64) (n int, err error) = SYS_PWRITE64

vendor/golang.org/x/sys/unix/syscall_linux_arm.go

@@ -257,3 +257,11 @@ func Poll(fds []PollFd, timeout int) (n int, err error) {
 	}
 	return poll(&fds[0], len(fds), timeout)
 }
+
+//sys	armSyncFileRange(fd int, flags int, off int64, n int64) (err error) = SYS_ARM_SYNC_FILE_RANGE
+
+func SyncFileRange(fd int, off int64, n int64, flags int) error {
+	// The sync_file_range and arm_sync_file_range syscalls differ only in the
+	// order of their arguments.
+	return armSyncFileRange(fd, flags, off, n)
+}

vendor/golang.org/x/sys/unix/syscall_linux_mips64x.go

@@ -12,7 +12,6 @@ package unix
 //sys	EpollWait(epfd int, events []EpollEvent, msec int) (n int, err error)
 //sys	Fadvise(fd int, offset int64, length int64, advice int) (err error) = SYS_FADVISE64
 //sys	Fchown(fd int, uid int, gid int) (err error)
-//sys	Fstatat(dirfd int, path string, stat *Stat_t, flags int) (err error) = SYS_NEWFSTATAT
 //sys	Fstatfs(fd int, buf *Statfs_t) (err error)
 //sys	Ftruncate(fd int, length int64) (err error)
 //sysnb	Getegid() (egid int)
@@ -148,6 +147,7 @@ type stat_t struct {
 }
 
 //sys	fstat(fd int, st *stat_t) (err error)
+//sys	fstatat(dirfd int, path string, st *stat_t, flags int) (err error) = SYS_NEWFSTATAT
 //sys	lstat(path string, st *stat_t) (err error)
 //sys	stat(path string, st *stat_t) (err error)
 
@@ -158,6 +158,13 @@ func Fstat(fd int, s *Stat_t) (err error) {
 	return
 }
 
+func Fstatat(dirfd int, path string, s *Stat_t, flags int) (err error) {
+	st := &stat_t{}
+	err = fstatat(dirfd, path, st, flags)
+	fillStat_t(s, st)
+	return
+}
+
 func Lstat(path string, s *Stat_t) (err error) {
 	st := &stat_t{}
 	err = lstat(path, st)

vendor/golang.org/x/sys/unix/syscall_linux_test.go

@@ -482,3 +482,36 @@ func TestSyncFileRange(t *testing.T) {
 		t.Fatalf("SyncFileRange: unexpected error: %v, want EINVAL", err)
 	}
 }
+
+func TestClockNanosleep(t *testing.T) {
+	delay := 100 * time.Millisecond
+
+	// Relative timespec.
+	start := time.Now()
+	rel := unix.NsecToTimespec(delay.Nanoseconds())
+	err := unix.ClockNanosleep(unix.CLOCK_MONOTONIC, 0, &rel, nil)
+	if err == unix.ENOSYS || err == unix.EPERM {
+		t.Skip("clock_nanosleep syscall is not available, skipping test")
+	} else if err != nil {
+		t.Errorf("ClockNanosleep(CLOCK_MONOTONIC, 0, %#v, nil) = %v", &rel, err)
+	} else if slept := time.Now().Sub(start); slept < delay {
+		t.Errorf("ClockNanosleep(CLOCK_MONOTONIC, 0, %#v, nil) slept only %v", &rel, slept)
+	}
+
+	// Absolute timespec.
+	start = time.Now()
+	until := start.Add(delay)
+	abs := unix.NsecToTimespec(until.UnixNano())
+	err = unix.ClockNanosleep(unix.CLOCK_REALTIME, unix.TIMER_ABSTIME, &abs, nil)
+	if err != nil {
+		t.Errorf("ClockNanosleep(CLOCK_REALTIME, TIMER_ABSTIME, %#v (=%v), nil) = %v", &abs, until, err)
+	} else if slept := time.Now().Sub(start); slept < delay {
+		t.Errorf("ClockNanosleep(CLOCK_REALTIME, TIMER_ABSTIME, %#v (=%v), nil) slept only %v", &abs, until, slept)
+	}
+
+	// Invalid clock. clock_nanosleep(2) says EINVAL, but it’s actually EOPNOTSUPP.
+	err = unix.ClockNanosleep(unix.CLOCK_THREAD_CPUTIME_ID, 0, &rel, nil)
+	if err != unix.EINVAL && err != unix.EOPNOTSUPP {
+		t.Errorf("ClockNanosleep(CLOCK_THREAD_CPUTIME_ID, 0, %#v, nil) = %v, want EINVAL or EOPNOTSUPP", &rel, err)
+	}
+}

vendor/golang.org/x/sys/unix/syscall_netbsd.go

@@ -244,6 +244,13 @@ func Uname(uname *Utsname) error {
 	return nil
 }
 
+func Sendfile(outfd int, infd int, offset *int64, count int) (written int, err error) {
+	if raceenabled {
+		raceReleaseMerge(unsafe.Pointer(&ioSync))
+	}
+	return sendfile(outfd, infd, offset, count)
+}
+
 /*
  * Exposed directly
  */

vendor/golang.org/x/sys/unix/syscall_openbsd.go

@@ -94,6 +94,13 @@ func Getwd() (string, error) {
 	return string(buf[:n]), nil
 }
 
+func Sendfile(outfd int, infd int, offset *int64, count int) (written int, err error) {
+	if raceenabled {
+		raceReleaseMerge(unsafe.Pointer(&ioSync))
+	}
+	return sendfile(outfd, infd, offset, count)
+}
+
 // TODO
 func sendfile(outfd int, infd int, offset *int64, count int) (written int, err error) {
 	return -1, ENOSYS

vendor/golang.org/x/sys/unix/syscall_solaris.go

@@ -585,6 +585,13 @@ func Poll(fds []PollFd, timeout int) (n int, err error) {
 	return poll(&fds[0], len(fds), timeout)
 }
 
+func Sendfile(outfd int, infd int, offset *int64, count int) (written int, err error) {
+	if raceenabled {
+		raceReleaseMerge(unsafe.Pointer(&ioSync))
+	}
+	return sendfile(outfd, infd, offset, count)
+}
+
 /*
  * Exposed directly
  */

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

@@ -8,7 +8,6 @@ package unix
 
 import (
 	"bytes"
-	"runtime"
 	"sort"
 	"sync"
 	"syscall"
@@ -21,13 +20,6 @@ var (
 	Stderr = 2
 )
 
-const (
-	darwin64Bit    = runtime.GOOS == "darwin" && SizeofPtr == 8
-	dragonfly64Bit = runtime.GOOS == "dragonfly" && SizeofPtr == 8
-	netbsd32Bit    = runtime.GOOS == "netbsd" && SizeofPtr == 4
-	solaris64Bit   = runtime.GOOS == "solaris" && SizeofPtr == 8
-)
-
 // Do the interface allocations only once for common
 // Errno values.
 var (
@@ -359,13 +351,6 @@ func Socketpair(domain, typ, proto int) (fd [2]int, err error) {
 	return
 }
 
-func Sendfile(outfd int, infd int, offset *int64, count int) (written int, err error) {
-	if raceenabled {
-		raceReleaseMerge(unsafe.Pointer(&ioSync))
-	}
-	return sendfile(outfd, infd, offset, count)
-}
-
 var ioSync int64
 
 func CloseOnExec(fd int) { fcntl(fd, F_SETFD, FD_CLOEXEC) }

vendor/golang.org/x/sys/unix/syscall_unix_test.go

@@ -337,6 +337,12 @@ func TestRlimit(t *testing.T) {
 	}
 	set := rlimit
 	set.Cur = set.Max - 1
+	if runtime.GOOS == "darwin" && set.Cur > 10240 {
+		// The max file limit is 10240, even though
+		// the max returned by Getrlimit is 1<<63-1.
+		// This is OPEN_MAX in sys/syslimits.h.
+		set.Cur = 10240
+	}
 	err = unix.Setrlimit(unix.RLIMIT_NOFILE, &set)
 	if err != nil {
 		t.Fatalf("Setrlimit: set failed: %#v %v", set, err)

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

@@ -639,7 +639,7 @@ const (
 	IFA_F_STABLE_PRIVACY                 = 0x800
 	IFA_F_TEMPORARY                      = 0x1
 	IFA_F_TENTATIVE                      = 0x40
-	IFA_MAX                              = 0x9
+	IFA_MAX                              = 0xa
 	IFF_ALLMULTI                         = 0x200
 	IFF_ATTACH_QUEUE                     = 0x200
 	IFF_AUTOMEDIA                        = 0x4000
@@ -913,6 +913,11 @@ const (
 	KEYCTL_JOIN_SESSION_KEYRING          = 0x1
 	KEYCTL_LINK                          = 0x8
 	KEYCTL_NEGATE                        = 0xd
+	KEYCTL_PKEY_DECRYPT                  = 0x1a
+	KEYCTL_PKEY_ENCRYPT                  = 0x19
+	KEYCTL_PKEY_QUERY                    = 0x18
+	KEYCTL_PKEY_SIGN                     = 0x1b
+	KEYCTL_PKEY_VERIFY                   = 0x1c
 	KEYCTL_READ                          = 0xb
 	KEYCTL_REJECT                        = 0x13
 	KEYCTL_RESTRICT_KEYRING              = 0x1d
@@ -922,6 +927,10 @@ const (
 	KEYCTL_SETPERM                       = 0x5
 	KEYCTL_SET_REQKEY_KEYRING            = 0xe
 	KEYCTL_SET_TIMEOUT                   = 0xf
+	KEYCTL_SUPPORTS_DECRYPT              = 0x2
+	KEYCTL_SUPPORTS_ENCRYPT              = 0x1
+	KEYCTL_SUPPORTS_SIGN                 = 0x4
+	KEYCTL_SUPPORTS_VERIFY               = 0x8
 	KEYCTL_UNLINK                        = 0x9
 	KEYCTL_UPDATE                        = 0x2
 	KEY_REQKEY_DEFL_DEFAULT              = 0x0
@@ -1101,6 +1110,7 @@ const (
 	NETLINK_FIB_LOOKUP                   = 0xa
 	NETLINK_FIREWALL                     = 0x3
 	NETLINK_GENERIC                      = 0x10
+	NETLINK_GET_STRICT_CHK               = 0xc
 	NETLINK_INET_DIAG                    = 0x4
 	NETLINK_IP6_FW                       = 0xd
 	NETLINK_ISCSI                        = 0x8
@@ -1244,6 +1254,7 @@ const (
 	PACKET_FASTROUTE                     = 0x6
 	PACKET_HDRLEN                        = 0xb
 	PACKET_HOST                          = 0x0
+	PACKET_IGNORE_OUTGOING               = 0x17
 	PACKET_KERNEL                        = 0x7
 	PACKET_LOOPBACK                      = 0x5
 	PACKET_LOSS                          = 0xe
@@ -1424,6 +1435,7 @@ const (
 	PR_SPEC_DISABLE                      = 0x4
 	PR_SPEC_ENABLE                       = 0x2
 	PR_SPEC_FORCE_DISABLE                = 0x8
+	PR_SPEC_INDIRECT_BRANCH              = 0x1
 	PR_SPEC_NOT_AFFECTED                 = 0x0
 	PR_SPEC_PRCTL                        = 0x1
 	PR_SPEC_STORE_BYPASS                 = 0x0
@@ -1732,6 +1744,8 @@ const (
 	SECCOMP_MODE_STRICT                  = 0x1
 	SECURITYFS_MAGIC                     = 0x73636673
 	SELINUX_MAGIC                        = 0xf97cff8c
+	SFD_CLOEXEC                          = 0x80000
+	SFD_NONBLOCK                         = 0x800
 	SHUT_RD                              = 0x0
 	SHUT_RDWR                            = 0x2
 	SHUT_WR                              = 0x1
@@ -2012,7 +2026,7 @@ const (
 	TASKSTATS_GENL_NAME                  = "TASKSTATS"
 	TASKSTATS_GENL_VERSION               = 0x1
 	TASKSTATS_TYPE_MAX                   = 0x6
-	TASKSTATS_VERSION                    = 0x8
+	TASKSTATS_VERSION                    = 0x9
 	TCFLSH                               = 0x540b
 	TCGETA                               = 0x5405
 	TCGETS                               = 0x5401
@@ -2089,6 +2103,7 @@ const (
 	TCSETXF                              = 0x5434
 	TCSETXW                              = 0x5435
 	TCXONC                               = 0x540a
+	TIMER_ABSTIME                        = 0x1
 	TIOCCBRK                             = 0x5428
 	TIOCCONS                             = 0x541d
 	TIOCEXCL                             = 0x540c
@@ -2096,6 +2111,7 @@ const (
 	TIOCGETD                             = 0x5424
 	TIOCGEXCL                            = 0x80045440
 	TIOCGICOUNT                          = 0x545d
+	TIOCGISO7816                         = 0x80285442
 	TIOCGLCKTRMIOS                       = 0x5456
 	TIOCGPGRP                            = 0x540f
 	TIOCGPKT                             = 0x80045438
@@ -2149,6 +2165,7 @@ const (
 	TIOCSER_TEMT                         = 0x1
 	TIOCSETD                             = 0x5423
 	TIOCSIG                              = 0x40045436
+	TIOCSISO7816                         = 0xc0285443
 	TIOCSLCKTRMIOS                       = 0x5457
 	TIOCSPGRP                            = 0x5410
 	TIOCSPTLCK                           = 0x40045431
@@ -2379,6 +2396,7 @@ const (
 	XDP_UMEM_REG                         = 0x4
 	XDP_ZEROCOPY                         = 0x4
 	XENFS_SUPER_MAGIC                    = 0xabba1974
+	XFS_SUPER_MAGIC                      = 0x58465342
 	XTABS                                = 0x1800
 	ZSMALLOC_MAGIC                       = 0x58295829
 )

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

@@ -639,7 +639,7 @@ const (
 	IFA_F_STABLE_PRIVACY                 = 0x800
 	IFA_F_TEMPORARY                      = 0x1
 	IFA_F_TENTATIVE                      = 0x40
-	IFA_MAX                              = 0x9
+	IFA_MAX                              = 0xa
 	IFF_ALLMULTI                         = 0x200
 	IFF_ATTACH_QUEUE                     = 0x200
 	IFF_AUTOMEDIA                        = 0x4000
@@ -913,6 +913,11 @@ const (
 	KEYCTL_JOIN_SESSION_KEYRING          = 0x1
 	KEYCTL_LINK                          = 0x8
 	KEYCTL_NEGATE                        = 0xd
+	KEYCTL_PKEY_DECRYPT                  = 0x1a
+	KEYCTL_PKEY_ENCRYPT                  = 0x19
+	KEYCTL_PKEY_QUERY                    = 0x18
+	KEYCTL_PKEY_SIGN                     = 0x1b
+	KEYCTL_PKEY_VERIFY                   = 0x1c
 	KEYCTL_READ                          = 0xb
 	KEYCTL_REJECT                        = 0x13
 	KEYCTL_RESTRICT_KEYRING              = 0x1d
@@ -922,6 +927,10 @@ const (
 	KEYCTL_SETPERM                       = 0x5
 	KEYCTL_SET_REQKEY_KEYRING            = 0xe
 	KEYCTL_SET_TIMEOUT                   = 0xf
+	KEYCTL_SUPPORTS_DECRYPT              = 0x2
+	KEYCTL_SUPPORTS_ENCRYPT              = 0x1
+	KEYCTL_SUPPORTS_SIGN                 = 0x4
+	KEYCTL_SUPPORTS_VERIFY               = 0x8
 	KEYCTL_UNLINK                        = 0x9
 	KEYCTL_UPDATE                        = 0x2
 	KEY_REQKEY_DEFL_DEFAULT              = 0x0
@@ -1101,6 +1110,7 @@ const (
 	NETLINK_FIB_LOOKUP                   = 0xa
 	NETLINK_FIREWALL                     = 0x3
 	NETLINK_GENERIC                      = 0x10
+	NETLINK_GET_STRICT_CHK               = 0xc
 	NETLINK_INET_DIAG                    = 0x4
 	NETLINK_IP6_FW                       = 0xd
 	NETLINK_ISCSI                        = 0x8
@@ -1244,6 +1254,7 @@ const (
 	PACKET_FASTROUTE                     = 0x6
 	PACKET_HDRLEN                        = 0xb
 	PACKET_HOST                          = 0x0
+	PACKET_IGNORE_OUTGOING               = 0x17
 	PACKET_KERNEL                        = 0x7
 	PACKET_LOOPBACK                      = 0x5
 	PACKET_LOSS                          = 0xe
@@ -1424,6 +1435,7 @@ const (
 	PR_SPEC_DISABLE                      = 0x4
 	PR_SPEC_ENABLE                       = 0x2
 	PR_SPEC_FORCE_DISABLE                = 0x8
+	PR_SPEC_INDIRECT_BRANCH              = 0x1
 	PR_SPEC_NOT_AFFECTED                 = 0x0
 	PR_SPEC_PRCTL                        = 0x1
 	PR_SPEC_STORE_BYPASS                 = 0x0
@@ -1733,6 +1745,8 @@ const (
 	SECCOMP_MODE_STRICT                  = 0x1
 	SECURITYFS_MAGIC                     = 0x73636673
 	SELINUX_MAGIC                        = 0xf97cff8c
+	SFD_CLOEXEC                          = 0x80000
+	SFD_NONBLOCK                         = 0x800
 	SHUT_RD                              = 0x0
 	SHUT_RDWR                            = 0x2
 	SHUT_WR                              = 0x1
@@ -2013,7 +2027,7 @@ const (
 	TASKSTATS_GENL_NAME                  = "TASKSTATS"
 	TASKSTATS_GENL_VERSION               = 0x1
 	TASKSTATS_TYPE_MAX                   = 0x6
-	TASKSTATS_VERSION                    = 0x8
+	TASKSTATS_VERSION                    = 0x9
 	TCFLSH                               = 0x540b
 	TCGETA                               = 0x5405
 	TCGETS                               = 0x5401
@@ -2090,6 +2104,7 @@ const (
 	TCSETXF                              = 0x5434
 	TCSETXW                              = 0x5435
 	TCXONC                               = 0x540a
+	TIMER_ABSTIME                        = 0x1
 	TIOCCBRK                             = 0x5428
 	TIOCCONS                             = 0x541d
 	TIOCEXCL                             = 0x540c
@@ -2097,6 +2112,7 @@ const (
 	TIOCGETD                             = 0x5424
 	TIOCGEXCL                            = 0x80045440
 	TIOCGICOUNT                          = 0x545d
+	TIOCGISO7816                         = 0x80285442
 	TIOCGLCKTRMIOS                       = 0x5456
 	TIOCGPGRP                            = 0x540f
 	TIOCGPKT                             = 0x80045438
@@ -2150,6 +2166,7 @@ const (
 	TIOCSER_TEMT                         = 0x1
 	TIOCSETD                             = 0x5423
 	TIOCSIG                              = 0x40045436
+	TIOCSISO7816                         = 0xc0285443
 	TIOCSLCKTRMIOS                       = 0x5457
 	TIOCSPGRP                            = 0x5410
 	TIOCSPTLCK                           = 0x40045431
@@ -2379,6 +2396,7 @@ const (
 	XDP_UMEM_REG                         = 0x4
 	XDP_ZEROCOPY                         = 0x4
 	XENFS_SUPER_MAGIC                    = 0xabba1974
+	XFS_SUPER_MAGIC                      = 0x58465342
 	XTABS                                = 0x1800
 	ZSMALLOC_MAGIC                       = 0x58295829
 )

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

@@ -638,7 +638,7 @@ const (
 	IFA_F_STABLE_PRIVACY                 = 0x800
 	IFA_F_TEMPORARY                      = 0x1
 	IFA_F_TENTATIVE                      = 0x40
-	IFA_MAX                              = 0x9
+	IFA_MAX                              = 0xa
 	IFF_ALLMULTI                         = 0x200
 	IFF_ATTACH_QUEUE                     = 0x200
 	IFF_AUTOMEDIA                        = 0x4000
@@ -912,6 +912,11 @@ const (
 	KEYCTL_JOIN_SESSION_KEYRING          = 0x1
 	KEYCTL_LINK                          = 0x8
 	KEYCTL_NEGATE                        = 0xd
+	KEYCTL_PKEY_DECRYPT                  = 0x1a
+	KEYCTL_PKEY_ENCRYPT                  = 0x19
+	KEYCTL_PKEY_QUERY                    = 0x18
+	KEYCTL_PKEY_SIGN                     = 0x1b
+	KEYCTL_PKEY_VERIFY                   = 0x1c
 	KEYCTL_READ                          = 0xb
 	KEYCTL_REJECT                        = 0x13
 	KEYCTL_RESTRICT_KEYRING              = 0x1d
@@ -921,6 +926,10 @@ const (
 	KEYCTL_SETPERM                       = 0x5
 	KEYCTL_SET_REQKEY_KEYRING            = 0xe
 	KEYCTL_SET_TIMEOUT                   = 0xf
+	KEYCTL_SUPPORTS_DECRYPT              = 0x2
+	KEYCTL_SUPPORTS_ENCRYPT              = 0x1
+	KEYCTL_SUPPORTS_SIGN                 = 0x4
+	KEYCTL_SUPPORTS_VERIFY               = 0x8
 	KEYCTL_UNLINK                        = 0x9
 	KEYCTL_UPDATE                        = 0x2
 	KEY_REQKEY_DEFL_DEFAULT              = 0x0
@@ -1099,6 +1108,7 @@ const (
 	NETLINK_FIB_LOOKUP                   = 0xa
 	NETLINK_FIREWALL                     = 0x3
 	NETLINK_GENERIC                      = 0x10
+	NETLINK_GET_STRICT_CHK               = 0xc
 	NETLINK_INET_DIAG                    = 0x4
 	NETLINK_IP6_FW                       = 0xd
 	NETLINK_ISCSI                        = 0x8
@@ -1242,6 +1252,7 @@ const (
 	PACKET_FASTROUTE                     = 0x6
 	PACKET_HDRLEN                        = 0xb
 	PACKET_HOST                          = 0x0
+	PACKET_IGNORE_OUTGOING               = 0x17
 	PACKET_KERNEL                        = 0x7
 	PACKET_LOOPBACK                      = 0x5
 	PACKET_LOSS                          = 0xe
@@ -1422,6 +1433,7 @@ const (
 	PR_SPEC_DISABLE                      = 0x4
 	PR_SPEC_ENABLE                       = 0x2
 	PR_SPEC_FORCE_DISABLE                = 0x8
+	PR_SPEC_INDIRECT_BRANCH              = 0x1
 	PR_SPEC_NOT_AFFECTED                 = 0x0
 	PR_SPEC_PRCTL                        = 0x1
 	PR_SPEC_STORE_BYPASS                 = 0x0
@@ -1739,6 +1751,8 @@ const (
 	SECCOMP_MODE_STRICT                  = 0x1
 	SECURITYFS_MAGIC                     = 0x73636673
 	SELINUX_MAGIC                        = 0xf97cff8c
+	SFD_CLOEXEC                          = 0x80000
+	SFD_NONBLOCK                         = 0x800
 	SHUT_RD                              = 0x0
 	SHUT_RDWR                            = 0x2
 	SHUT_WR                              = 0x1
@@ -2019,7 +2033,7 @@ const (
 	TASKSTATS_GENL_NAME                  = "TASKSTATS"
 	TASKSTATS_GENL_VERSION               = 0x1
 	TASKSTATS_TYPE_MAX                   = 0x6
-	TASKSTATS_VERSION                    = 0x8
+	TASKSTATS_VERSION                    = 0x9
 	TCFLSH                               = 0x540b
 	TCGETA                               = 0x5405
 	TCGETS                               = 0x5401
@@ -2096,6 +2110,7 @@ const (
 	TCSETXF                              = 0x5434
 	TCSETXW                              = 0x5435
 	TCXONC                               = 0x540a
+	TIMER_ABSTIME                        = 0x1
 	TIOCCBRK                             = 0x5428
 	TIOCCONS                             = 0x541d
 	TIOCEXCL                             = 0x540c
@@ -2103,6 +2118,7 @@ const (
 	TIOCGETD                             = 0x5424
 	TIOCGEXCL                            = 0x80045440
 	TIOCGICOUNT                          = 0x545d
+	TIOCGISO7816                         = 0x80285442
 	TIOCGLCKTRMIOS                       = 0x5456
 	TIOCGPGRP                            = 0x540f
 	TIOCGPKT                             = 0x80045438
@@ -2156,6 +2172,7 @@ const (
 	TIOCSER_TEMT                         = 0x1
 	TIOCSETD                             = 0x5423
 	TIOCSIG                              = 0x40045436
+	TIOCSISO7816                         = 0xc0285443
 	TIOCSLCKTRMIOS                       = 0x5457
 	TIOCSPGRP                            = 0x5410
 	TIOCSPTLCK                           = 0x40045431
@@ -2385,6 +2402,7 @@ const (
 	XDP_UMEM_REG                         = 0x4
 	XDP_ZEROCOPY                         = 0x4
 	XENFS_SUPER_MAGIC                    = 0xabba1974
+	XFS_SUPER_MAGIC                      = 0x58465342
 	XTABS                                = 0x1800
 	ZSMALLOC_MAGIC                       = 0x58295829
 )

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

@@ -641,7 +641,7 @@ const (
 	IFA_F_STABLE_PRIVACY                 = 0x800
 	IFA_F_TEMPORARY                      = 0x1
 	IFA_F_TENTATIVE                      = 0x40
-	IFA_MAX                              = 0x9
+	IFA_MAX                              = 0xa
 	IFF_ALLMULTI                         = 0x200
 	IFF_ATTACH_QUEUE                     = 0x200
 	IFF_AUTOMEDIA                        = 0x4000
@@ -915,6 +915,11 @@ const (
 	KEYCTL_JOIN_SESSION_KEYRING          = 0x1
 	KEYCTL_LINK                          = 0x8
 	KEYCTL_NEGATE                        = 0xd
+	KEYCTL_PKEY_DECRYPT                  = 0x1a
+	KEYCTL_PKEY_ENCRYPT                  = 0x19
+	KEYCTL_PKEY_QUERY                    = 0x18
+	KEYCTL_PKEY_SIGN                     = 0x1b
+	KEYCTL_PKEY_VERIFY                   = 0x1c
 	KEYCTL_READ                          = 0xb
 	KEYCTL_REJECT                        = 0x13
 	KEYCTL_RESTRICT_KEYRING              = 0x1d
@@ -924,6 +929,10 @@ const (
 	KEYCTL_SETPERM                       = 0x5
 	KEYCTL_SET_REQKEY_KEYRING            = 0xe
 	KEYCTL_SET_TIMEOUT                   = 0xf
+	KEYCTL_SUPPORTS_DECRYPT              = 0x2
+	KEYCTL_SUPPORTS_ENCRYPT              = 0x1
+	KEYCTL_SUPPORTS_SIGN                 = 0x4
+	KEYCTL_SUPPORTS_VERIFY               = 0x8
 	KEYCTL_UNLINK                        = 0x9
 	KEYCTL_UPDATE                        = 0x2
 	KEY_REQKEY_DEFL_DEFAULT              = 0x0
@@ -1102,6 +1111,7 @@ const (
 	NETLINK_FIB_LOOKUP                   = 0xa
 	NETLINK_FIREWALL                     = 0x3
 	NETLINK_GENERIC                      = 0x10
+	NETLINK_GET_STRICT_CHK               = 0xc
 	NETLINK_INET_DIAG                    = 0x4
 	NETLINK_IP6_FW                       = 0xd
 	NETLINK_ISCSI                        = 0x8
@@ -1245,6 +1255,7 @@ const (
 	PACKET_FASTROUTE                     = 0x6
 	PACKET_HDRLEN                        = 0xb
 	PACKET_HOST                          = 0x0
+	PACKET_IGNORE_OUTGOING               = 0x17
 	PACKET_KERNEL                        = 0x7
 	PACKET_LOOPBACK                      = 0x5
 	PACKET_LOSS                          = 0xe
@@ -1425,6 +1436,7 @@ const (
 	PR_SPEC_DISABLE                      = 0x4
 	PR_SPEC_ENABLE                       = 0x2
 	PR_SPEC_FORCE_DISABLE                = 0x8
+	PR_SPEC_INDIRECT_BRANCH              = 0x1
 	PR_SPEC_NOT_AFFECTED                 = 0x0
 	PR_SPEC_PRCTL                        = 0x1
 	PR_SPEC_STORE_BYPASS                 = 0x0
@@ -1723,6 +1735,8 @@ const (
 	SECCOMP_MODE_STRICT                  = 0x1
 	SECURITYFS_MAGIC                     = 0x73636673
 	SELINUX_MAGIC                        = 0xf97cff8c
+	SFD_CLOEXEC                          = 0x80000
+	SFD_NONBLOCK                         = 0x800
 	SHUT_RD                              = 0x0
 	SHUT_RDWR                            = 0x2
 	SHUT_WR                              = 0x1
@@ -2004,7 +2018,7 @@ const (
 	TASKSTATS_GENL_NAME                  = "TASKSTATS"
 	TASKSTATS_GENL_VERSION               = 0x1
 	TASKSTATS_TYPE_MAX                   = 0x6
-	TASKSTATS_VERSION                    = 0x8
+	TASKSTATS_VERSION                    = 0x9
 	TCFLSH                               = 0x540b
 	TCGETA                               = 0x5405
 	TCGETS                               = 0x5401
@@ -2081,6 +2095,7 @@ const (
 	TCSETXF                              = 0x5434
 	TCSETXW                              = 0x5435
 	TCXONC                               = 0x540a
+	TIMER_ABSTIME                        = 0x1
 	TIOCCBRK                             = 0x5428
 	TIOCCONS                             = 0x541d
 	TIOCEXCL                             = 0x540c
@@ -2088,6 +2103,7 @@ const (
 	TIOCGETD                             = 0x5424
 	TIOCGEXCL                            = 0x80045440
 	TIOCGICOUNT                          = 0x545d
+	TIOCGISO7816                         = 0x80285442
 	TIOCGLCKTRMIOS                       = 0x5456
 	TIOCGPGRP                            = 0x540f
 	TIOCGPKT                             = 0x80045438
@@ -2141,6 +2157,7 @@ const (
 	TIOCSER_TEMT                         = 0x1
 	TIOCSETD                             = 0x5423
 	TIOCSIG                              = 0x40045436
+	TIOCSISO7816                         = 0xc0285443
 	TIOCSLCKTRMIOS                       = 0x5457
 	TIOCSPGRP                            = 0x5410
 	TIOCSPTLCK                           = 0x40045431
@@ -2370,6 +2387,7 @@ const (
 	XDP_UMEM_REG                         = 0x4
 	XDP_ZEROCOPY                         = 0x4
 	XENFS_SUPER_MAGIC                    = 0xabba1974
+	XFS_SUPER_MAGIC                      = 0x58465342
 	XTABS                                = 0x1800
 	ZSMALLOC_MAGIC                       = 0x58295829
 )

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

@@ -638,7 +638,7 @@ const (
 	IFA_F_STABLE_PRIVACY                 = 0x800
 	IFA_F_TEMPORARY                      = 0x1
 	IFA_F_TENTATIVE                      = 0x40
-	IFA_MAX                              = 0x9
+	IFA_MAX                              = 0xa
 	IFF_ALLMULTI                         = 0x200
 	IFF_ATTACH_QUEUE                     = 0x200
 	IFF_AUTOMEDIA                        = 0x4000
@@ -912,6 +912,11 @@ const (
 	KEYCTL_JOIN_SESSION_KEYRING          = 0x1
 	KEYCTL_LINK                          = 0x8
 	KEYCTL_NEGATE                        = 0xd
+	KEYCTL_PKEY_DECRYPT                  = 0x1a
+	KEYCTL_PKEY_ENCRYPT                  = 0x19
+	KEYCTL_PKEY_QUERY                    = 0x18
+	KEYCTL_PKEY_SIGN                     = 0x1b
+	KEYCTL_PKEY_VERIFY                   = 0x1c
 	KEYCTL_READ                          = 0xb
 	KEYCTL_REJECT                        = 0x13
 	KEYCTL_RESTRICT_KEYRING              = 0x1d
@@ -921,6 +926,10 @@ const (
 	KEYCTL_SETPERM                       = 0x5
 	KEYCTL_SET_REQKEY_KEYRING            = 0xe
 	KEYCTL_SET_TIMEOUT                   = 0xf
+	KEYCTL_SUPPORTS_DECRYPT              = 0x2
+	KEYCTL_SUPPORTS_ENCRYPT              = 0x1
+	KEYCTL_SUPPORTS_SIGN                 = 0x4
+	KEYCTL_SUPPORTS_VERIFY               = 0x8
 	KEYCTL_UNLINK                        = 0x9
 	KEYCTL_UPDATE                        = 0x2
 	KEY_REQKEY_DEFL_DEFAULT              = 0x0
@@ -1099,6 +1108,7 @@ const (
 	NETLINK_FIB_LOOKUP                   = 0xa
 	NETLINK_FIREWALL                     = 0x3
 	NETLINK_GENERIC                      = 0x10
+	NETLINK_GET_STRICT_CHK               = 0xc
 	NETLINK_INET_DIAG                    = 0x4
 	NETLINK_IP6_FW                       = 0xd
 	NETLINK_ISCSI                        = 0x8
@@ -1242,6 +1252,7 @@ const (
 	PACKET_FASTROUTE                     = 0x6
 	PACKET_HDRLEN                        = 0xb
 	PACKET_HOST                          = 0x0
+	PACKET_IGNORE_OUTGOING               = 0x17
 	PACKET_KERNEL                        = 0x7
 	PACKET_LOOPBACK                      = 0x5
 	PACKET_LOSS                          = 0xe
@@ -1422,6 +1433,7 @@ const (
 	PR_SPEC_DISABLE                      = 0x4
 	PR_SPEC_ENABLE                       = 0x2
 	PR_SPEC_FORCE_DISABLE                = 0x8
+	PR_SPEC_INDIRECT_BRANCH              = 0x1
 	PR_SPEC_NOT_AFFECTED                 = 0x0
 	PR_SPEC_PRCTL                        = 0x1
 	PR_SPEC_STORE_BYPASS                 = 0x0
@@ -1732,6 +1744,8 @@ const (
 	SECCOMP_MODE_STRICT                  = 0x1
 	SECURITYFS_MAGIC                     = 0x73636673
 	SELINUX_MAGIC                        = 0xf97cff8c
+	SFD_CLOEXEC                          = 0x80000
+	SFD_NONBLOCK                         = 0x80
 	SHUT_RD                              = 0x0
 	SHUT_RDWR                            = 0x2
 	SHUT_WR                              = 0x1
@@ -2013,7 +2027,7 @@ const (
 	TASKSTATS_GENL_NAME                  = "TASKSTATS"
 	TASKSTATS_GENL_VERSION               = 0x1
 	TASKSTATS_TYPE_MAX                   = 0x6
-	TASKSTATS_VERSION                    = 0x8
+	TASKSTATS_VERSION                    = 0x9
 	TCFLSH                               = 0x5407
 	TCGETA                               = 0x5401
 	TCGETS                               = 0x540d
@@ -2086,6 +2100,7 @@ const (
 	TCSETSW                              = 0x540f
 	TCSETSW2                             = 0x8030542c
 	TCXONC                               = 0x5406
+	TIMER_ABSTIME                        = 0x1
 	TIOCCBRK                             = 0x5428
 	TIOCCONS                             = 0x80047478
 	TIOCEXCL                             = 0x740d
@@ -2094,6 +2109,7 @@ const (
 	TIOCGETP                             = 0x7408
 	TIOCGEXCL                            = 0x40045440
 	TIOCGICOUNT                          = 0x5492
+	TIOCGISO7816                         = 0x40285442
 	TIOCGLCKTRMIOS                       = 0x548b
 	TIOCGLTC                             = 0x7474
 	TIOCGPGRP                            = 0x40047477
@@ -2150,6 +2166,7 @@ const (
 	TIOCSETN                             = 0x740a
 	TIOCSETP                             = 0x7409
 	TIOCSIG                              = 0x80045436
+	TIOCSISO7816                         = 0xc0285443
 	TIOCSLCKTRMIOS                       = 0x548c
 	TIOCSLTC                             = 0x7475
 	TIOCSPGRP                            = 0x80047476
@@ -2381,6 +2398,7 @@ const (
 	XDP_UMEM_REG                         = 0x4
 	XDP_ZEROCOPY                         = 0x4
 	XENFS_SUPER_MAGIC                    = 0xabba1974
+	XFS_SUPER_MAGIC                      = 0x58465342
 	XTABS                                = 0x1800
 	ZSMALLOC_MAGIC                       = 0x58295829
 )

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

@@ -638,7 +638,7 @@ const (
 	IFA_F_STABLE_PRIVACY                 = 0x800
 	IFA_F_TEMPORARY                      = 0x1
 	IFA_F_TENTATIVE                      = 0x40
-	IFA_MAX                              = 0x9
+	IFA_MAX                              = 0xa
 	IFF_ALLMULTI                         = 0x200
 	IFF_ATTACH_QUEUE                     = 0x200
 	IFF_AUTOMEDIA                        = 0x4000
@@ -912,6 +912,11 @@ const (
 	KEYCTL_JOIN_SESSION_KEYRING          = 0x1
 	KEYCTL_LINK                          = 0x8
 	KEYCTL_NEGATE                        = 0xd
+	KEYCTL_PKEY_DECRYPT                  = 0x1a
+	KEYCTL_PKEY_ENCRYPT                  = 0x19
+	KEYCTL_PKEY_QUERY                    = 0x18
+	KEYCTL_PKEY_SIGN                     = 0x1b
+	KEYCTL_PKEY_VERIFY                   = 0x1c
 	KEYCTL_READ                          = 0xb
 	KEYCTL_REJECT                        = 0x13
 	KEYCTL_RESTRICT_KEYRING              = 0x1d
@@ -921,6 +926,10 @@ const (
 	KEYCTL_SETPERM                       = 0x5
 	KEYCTL_SET_REQKEY_KEYRING            = 0xe
 	KEYCTL_SET_TIMEOUT                   = 0xf
+	KEYCTL_SUPPORTS_DECRYPT              = 0x2
+	KEYCTL_SUPPORTS_ENCRYPT              = 0x1
+	KEYCTL_SUPPORTS_SIGN                 = 0x4
+	KEYCTL_SUPPORTS_VERIFY               = 0x8
 	KEYCTL_UNLINK                        = 0x9
 	KEYCTL_UPDATE                        = 0x2
 	KEY_REQKEY_DEFL_DEFAULT              = 0x0
@@ -1099,6 +1108,7 @@ const (
 	NETLINK_FIB_LOOKUP                   = 0xa
 	NETLINK_FIREWALL                     = 0x3
 	NETLINK_GENERIC                      = 0x10
+	NETLINK_GET_STRICT_CHK               = 0xc
 	NETLINK_INET_DIAG                    = 0x4
 	NETLINK_IP6_FW                       = 0xd
 	NETLINK_ISCSI                        = 0x8
@@ -1242,6 +1252,7 @@ const (
 	PACKET_FASTROUTE                     = 0x6
 	PACKET_HDRLEN                        = 0xb
 	PACKET_HOST                          = 0x0
+	PACKET_IGNORE_OUTGOING               = 0x17
 	PACKET_KERNEL                        = 0x7
 	PACKET_LOOPBACK                      = 0x5
 	PACKET_LOSS                          = 0xe
@@ -1422,6 +1433,7 @@ const (
 	PR_SPEC_DISABLE                      = 0x4
 	PR_SPEC_ENABLE                       = 0x2
 	PR_SPEC_FORCE_DISABLE                = 0x8
+	PR_SPEC_INDIRECT_BRANCH              = 0x1
 	PR_SPEC_NOT_AFFECTED                 = 0x0
 	PR_SPEC_PRCTL                        = 0x1
 	PR_SPEC_STORE_BYPASS                 = 0x0
@@ -1732,6 +1744,8 @@ const (
 	SECCOMP_MODE_STRICT                  = 0x1
 	SECURITYFS_MAGIC                     = 0x73636673
 	SELINUX_MAGIC                        = 0xf97cff8c
+	SFD_CLOEXEC                          = 0x80000
+	SFD_NONBLOCK                         = 0x80
 	SHUT_RD                              = 0x0
 	SHUT_RDWR                            = 0x2
 	SHUT_WR                              = 0x1
@@ -2013,7 +2027,7 @@ const (
 	TASKSTATS_GENL_NAME                  = "TASKSTATS"
 	TASKSTATS_GENL_VERSION               = 0x1
 	TASKSTATS_TYPE_MAX                   = 0x6
-	TASKSTATS_VERSION                    = 0x8
+	TASKSTATS_VERSION                    = 0x9
 	TCFLSH                               = 0x5407
 	TCGETA                               = 0x5401
 	TCGETS                               = 0x540d
@@ -2086,6 +2100,7 @@ const (
 	TCSETSW                              = 0x540f
 	TCSETSW2                             = 0x8030542c
 	TCXONC                               = 0x5406
+	TIMER_ABSTIME                        = 0x1
 	TIOCCBRK                             = 0x5428
 	TIOCCONS                             = 0x80047478
 	TIOCEXCL                             = 0x740d
@@ -2094,6 +2109,7 @@ const (
 	TIOCGETP                             = 0x7408
 	TIOCGEXCL                            = 0x40045440
 	TIOCGICOUNT                          = 0x5492
+	TIOCGISO7816                         = 0x40285442
 	TIOCGLCKTRMIOS                       = 0x548b
 	TIOCGLTC                             = 0x7474
 	TIOCGPGRP                            = 0x40047477
@@ -2150,6 +2166,7 @@ const (
 	TIOCSETN                             = 0x740a
 	TIOCSETP                             = 0x7409
 	TIOCSIG                              = 0x80045436
+	TIOCSISO7816                         = 0xc0285443
 	TIOCSLCKTRMIOS                       = 0x548c
 	TIOCSLTC                             = 0x7475
 	TIOCSPGRP                            = 0x80047476
@@ -2381,6 +2398,7 @@ const (
 	XDP_UMEM_REG                         = 0x4
 	XDP_ZEROCOPY                         = 0x4
 	XENFS_SUPER_MAGIC                    = 0xabba1974
+	XFS_SUPER_MAGIC                      = 0x58465342
 	XTABS                                = 0x1800
 	ZSMALLOC_MAGIC                       = 0x58295829
 )

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

@@ -638,7 +638,7 @@ const (
 	IFA_F_STABLE_PRIVACY                 = 0x800
 	IFA_F_TEMPORARY                      = 0x1
 	IFA_F_TENTATIVE                      = 0x40
-	IFA_MAX                              = 0x9
+	IFA_MAX                              = 0xa
 	IFF_ALLMULTI                         = 0x200
 	IFF_ATTACH_QUEUE                     = 0x200
 	IFF_AUTOMEDIA                        = 0x4000
@@ -912,6 +912,11 @@ const (
 	KEYCTL_JOIN_SESSION_KEYRING          = 0x1
 	KEYCTL_LINK                          = 0x8
 	KEYCTL_NEGATE                        = 0xd
+	KEYCTL_PKEY_DECRYPT                  = 0x1a
+	KEYCTL_PKEY_ENCRYPT                  = 0x19
+	KEYCTL_PKEY_QUERY                    = 0x18
+	KEYCTL_PKEY_SIGN                     = 0x1b
+	KEYCTL_PKEY_VERIFY                   = 0x1c
 	KEYCTL_READ                          = 0xb
 	KEYCTL_REJECT                        = 0x13
 	KEYCTL_RESTRICT_KEYRING              = 0x1d
@@ -921,6 +926,10 @@ const (
 	KEYCTL_SETPERM                       = 0x5
 	KEYCTL_SET_REQKEY_KEYRING            = 0xe
 	KEYCTL_SET_TIMEOUT                   = 0xf
+	KEYCTL_SUPPORTS_DECRYPT              = 0x2
+	KEYCTL_SUPPORTS_ENCRYPT              = 0x1
+	KEYCTL_SUPPORTS_SIGN                 = 0x4
+	KEYCTL_SUPPORTS_VERIFY               = 0x8
 	KEYCTL_UNLINK                        = 0x9
 	KEYCTL_UPDATE                        = 0x2
 	KEY_REQKEY_DEFL_DEFAULT              = 0x0
@@ -1099,6 +1108,7 @@ const (
 	NETLINK_FIB_LOOKUP                   = 0xa
 	NETLINK_FIREWALL                     = 0x3
 	NETLINK_GENERIC                      = 0x10
+	NETLINK_GET_STRICT_CHK               = 0xc
 	NETLINK_INET_DIAG                    = 0x4
 	NETLINK_IP6_FW                       = 0xd
 	NETLINK_ISCSI                        = 0x8
@@ -1242,6 +1252,7 @@ const (
 	PACKET_FASTROUTE                     = 0x6
 	PACKET_HDRLEN                        = 0xb
 	PACKET_HOST                          = 0x0
+	PACKET_IGNORE_OUTGOING               = 0x17
 	PACKET_KERNEL                        = 0x7
 	PACKET_LOOPBACK                      = 0x5
 	PACKET_LOSS                          = 0xe
@@ -1422,6 +1433,7 @@ const (
 	PR_SPEC_DISABLE                      = 0x4
 	PR_SPEC_ENABLE                       = 0x2
 	PR_SPEC_FORCE_DISABLE                = 0x8
+	PR_SPEC_INDIRECT_BRANCH              = 0x1
 	PR_SPEC_NOT_AFFECTED                 = 0x0
 	PR_SPEC_PRCTL                        = 0x1
 	PR_SPEC_STORE_BYPASS                 = 0x0
@@ -1732,6 +1744,8 @@ const (
 	SECCOMP_MODE_STRICT                  = 0x1
 	SECURITYFS_MAGIC                     = 0x73636673
 	SELINUX_MAGIC                        = 0xf97cff8c
+	SFD_CLOEXEC                          = 0x80000
+	SFD_NONBLOCK                         = 0x80
 	SHUT_RD                              = 0x0
 	SHUT_RDWR                            = 0x2
 	SHUT_WR                              = 0x1
@@ -2013,7 +2027,7 @@ const (
 	TASKSTATS_GENL_NAME                  = "TASKSTATS"
 	TASKSTATS_GENL_VERSION               = 0x1
 	TASKSTATS_TYPE_MAX                   = 0x6
-	TASKSTATS_VERSION                    = 0x8
+	TASKSTATS_VERSION                    = 0x9
 	TCFLSH                               = 0x5407
 	TCGETA                               = 0x5401
 	TCGETS                               = 0x540d
@@ -2086,6 +2100,7 @@ const (
 	TCSETSW                              = 0x540f
 	TCSETSW2                             = 0x8030542c
 	TCXONC                               = 0x5406
+	TIMER_ABSTIME                        = 0x1
 	TIOCCBRK                             = 0x5428
 	TIOCCONS                             = 0x80047478
 	TIOCEXCL                             = 0x740d
@@ -2094,6 +2109,7 @@ const (
 	TIOCGETP                             = 0x7408
 	TIOCGEXCL                            = 0x40045440
 	TIOCGICOUNT                          = 0x5492
+	TIOCGISO7816                         = 0x40285442
 	TIOCGLCKTRMIOS                       = 0x548b
 	TIOCGLTC                             = 0x7474
 	TIOCGPGRP                            = 0x40047477
@@ -2150,6 +2166,7 @@ const (
 	TIOCSETN                             = 0x740a
 	TIOCSETP                             = 0x7409
 	TIOCSIG                              = 0x80045436
+	TIOCSISO7816                         = 0xc0285443
 	TIOCSLCKTRMIOS                       = 0x548c
 	TIOCSLTC                             = 0x7475
 	TIOCSPGRP                            = 0x80047476
@@ -2381,6 +2398,7 @@ const (
 	XDP_UMEM_REG                         = 0x4
 	XDP_ZEROCOPY                         = 0x4
 	XENFS_SUPER_MAGIC                    = 0xabba1974
+	XFS_SUPER_MAGIC                      = 0x58465342
 	XTABS                                = 0x1800
 	ZSMALLOC_MAGIC                       = 0x58295829
 )

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

@@ -638,7 +638,7 @@ const (
 	IFA_F_STABLE_PRIVACY                 = 0x800
 	IFA_F_TEMPORARY                      = 0x1
 	IFA_F_TENTATIVE                      = 0x40
-	IFA_MAX                              = 0x9
+	IFA_MAX                              = 0xa
 	IFF_ALLMULTI                         = 0x200
 	IFF_ATTACH_QUEUE                     = 0x200
 	IFF_AUTOMEDIA                        = 0x4000
@@ -912,6 +912,11 @@ const (
 	KEYCTL_JOIN_SESSION_KEYRING          = 0x1
 	KEYCTL_LINK                          = 0x8
 	KEYCTL_NEGATE                        = 0xd
+	KEYCTL_PKEY_DECRYPT                  = 0x1a
+	KEYCTL_PKEY_ENCRYPT                  = 0x19
+	KEYCTL_PKEY_QUERY                    = 0x18
+	KEYCTL_PKEY_SIGN                     = 0x1b
+	KEYCTL_PKEY_VERIFY                   = 0x1c
 	KEYCTL_READ                          = 0xb
 	KEYCTL_REJECT                        = 0x13
 	KEYCTL_RESTRICT_KEYRING              = 0x1d
@@ -921,6 +926,10 @@ const (
 	KEYCTL_SETPERM                       = 0x5
 	KEYCTL_SET_REQKEY_KEYRING            = 0xe
 	KEYCTL_SET_TIMEOUT                   = 0xf
+	KEYCTL_SUPPORTS_DECRYPT              = 0x2
+	KEYCTL_SUPPORTS_ENCRYPT              = 0x1
+	KEYCTL_SUPPORTS_SIGN                 = 0x4
+	KEYCTL_SUPPORTS_VERIFY               = 0x8
 	KEYCTL_UNLINK                        = 0x9
 	KEYCTL_UPDATE                        = 0x2
 	KEY_REQKEY_DEFL_DEFAULT              = 0x0
@@ -1099,6 +1108,7 @@ const (
 	NETLINK_FIB_LOOKUP                   = 0xa
 	NETLINK_FIREWALL                     = 0x3
 	NETLINK_GENERIC                      = 0x10
+	NETLINK_GET_STRICT_CHK               = 0xc
 	NETLINK_INET_DIAG                    = 0x4
 	NETLINK_IP6_FW                       = 0xd
 	NETLINK_ISCSI                        = 0x8
@@ -1242,6 +1252,7 @@ const (
 	PACKET_FASTROUTE                     = 0x6
 	PACKET_HDRLEN                        = 0xb
 	PACKET_HOST                          = 0x0
+	PACKET_IGNORE_OUTGOING               = 0x17
 	PACKET_KERNEL                        = 0x7
 	PACKET_LOOPBACK                      = 0x5
 	PACKET_LOSS                          = 0xe
@@ -1422,6 +1433,7 @@ const (
 	PR_SPEC_DISABLE                      = 0x4
 	PR_SPEC_ENABLE                       = 0x2
 	PR_SPEC_FORCE_DISABLE                = 0x8
+	PR_SPEC_INDIRECT_BRANCH              = 0x1
 	PR_SPEC_NOT_AFFECTED                 = 0x0
 	PR_SPEC_PRCTL                        = 0x1
 	PR_SPEC_STORE_BYPASS                 = 0x0
@@ -1732,6 +1744,8 @@ const (
 	SECCOMP_MODE_STRICT                  = 0x1
 	SECURITYFS_MAGIC                     = 0x73636673
 	SELINUX_MAGIC                        = 0xf97cff8c
+	SFD_CLOEXEC                          = 0x80000
+	SFD_NONBLOCK                         = 0x80
 	SHUT_RD                              = 0x0
 	SHUT_RDWR                            = 0x2
 	SHUT_WR                              = 0x1
@@ -2013,7 +2027,7 @@ const (
 	TASKSTATS_GENL_NAME                  = "TASKSTATS"
 	TASKSTATS_GENL_VERSION               = 0x1
 	TASKSTATS_TYPE_MAX                   = 0x6
-	TASKSTATS_VERSION                    = 0x8
+	TASKSTATS_VERSION                    = 0x9
 	TCFLSH                               = 0x5407
 	TCGETA                               = 0x5401
 	TCGETS                               = 0x540d
@@ -2086,6 +2100,7 @@ const (
 	TCSETSW                              = 0x540f
 	TCSETSW2                             = 0x8030542c
 	TCXONC                               = 0x5406
+	TIMER_ABSTIME                        = 0x1
 	TIOCCBRK                             = 0x5428
 	TIOCCONS                             = 0x80047478
 	TIOCEXCL                             = 0x740d
@@ -2094,6 +2109,7 @@ const (
 	TIOCGETP                             = 0x7408
 	TIOCGEXCL                            = 0x40045440
 	TIOCGICOUNT                          = 0x5492
+	TIOCGISO7816                         = 0x40285442
 	TIOCGLCKTRMIOS                       = 0x548b
 	TIOCGLTC                             = 0x7474
 	TIOCGPGRP                            = 0x40047477
@@ -2150,6 +2166,7 @@ const (
 	TIOCSETN                             = 0x740a
 	TIOCSETP                             = 0x7409
 	TIOCSIG                              = 0x80045436
+	TIOCSISO7816                         = 0xc0285443
 	TIOCSLCKTRMIOS                       = 0x548c
 	TIOCSLTC                             = 0x7475
 	TIOCSPGRP                            = 0x80047476
@@ -2381,6 +2398,7 @@ const (
 	XDP_UMEM_REG                         = 0x4
 	XDP_ZEROCOPY                         = 0x4
 	XENFS_SUPER_MAGIC                    = 0xabba1974
+	XFS_SUPER_MAGIC                      = 0x58465342
 	XTABS                                = 0x1800
 	ZSMALLOC_MAGIC                       = 0x58295829
 )

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

@@ -638,7 +638,7 @@ const (
 	IFA_F_STABLE_PRIVACY                 = 0x800
 	IFA_F_TEMPORARY                      = 0x1
 	IFA_F_TENTATIVE                      = 0x40
-	IFA_MAX                              = 0x9
+	IFA_MAX                              = 0xa
 	IFF_ALLMULTI                         = 0x200
 	IFF_ATTACH_QUEUE                     = 0x200
 	IFF_AUTOMEDIA                        = 0x4000
@@ -912,6 +912,11 @@ const (
 	KEYCTL_JOIN_SESSION_KEYRING          = 0x1
 	KEYCTL_LINK                          = 0x8
 	KEYCTL_NEGATE                        = 0xd
+	KEYCTL_PKEY_DECRYPT                  = 0x1a
+	KEYCTL_PKEY_ENCRYPT                  = 0x19
+	KEYCTL_PKEY_QUERY                    = 0x18
+	KEYCTL_PKEY_SIGN                     = 0x1b
+	KEYCTL_PKEY_VERIFY                   = 0x1c
 	KEYCTL_READ                          = 0xb
 	KEYCTL_REJECT                        = 0x13
 	KEYCTL_RESTRICT_KEYRING              = 0x1d
@@ -921,6 +926,10 @@ const (
 	KEYCTL_SETPERM                       = 0x5
 	KEYCTL_SET_REQKEY_KEYRING            = 0xe
 	KEYCTL_SET_TIMEOUT                   = 0xf
+	KEYCTL_SUPPORTS_DECRYPT              = 0x2
+	KEYCTL_SUPPORTS_ENCRYPT              = 0x1
+	KEYCTL_SUPPORTS_SIGN                 = 0x4
+	KEYCTL_SUPPORTS_VERIFY               = 0x8
 	KEYCTL_UNLINK                        = 0x9
 	KEYCTL_UPDATE                        = 0x2
 	KEY_REQKEY_DEFL_DEFAULT              = 0x0
@@ -1098,6 +1107,7 @@ const (
 	NETLINK_FIB_LOOKUP                   = 0xa
 	NETLINK_FIREWALL                     = 0x3
 	NETLINK_GENERIC                      = 0x10
+	NETLINK_GET_STRICT_CHK               = 0xc
 	NETLINK_INET_DIAG                    = 0x4
 	NETLINK_IP6_FW                       = 0xd
 	NETLINK_ISCSI                        = 0x8
@@ -1243,6 +1253,7 @@ const (
 	PACKET_FASTROUTE                     = 0x6
 	PACKET_HDRLEN                        = 0xb
 	PACKET_HOST                          = 0x0
+	PACKET_IGNORE_OUTGOING               = 0x17
 	PACKET_KERNEL                        = 0x7
 	PACKET_LOOPBACK                      = 0x5
 	PACKET_LOSS                          = 0xe
@@ -1424,6 +1435,7 @@ const (
 	PR_SPEC_DISABLE                      = 0x4
 	PR_SPEC_ENABLE                       = 0x2
 	PR_SPEC_FORCE_DISABLE                = 0x8
+	PR_SPEC_INDIRECT_BRANCH              = 0x1
 	PR_SPEC_NOT_AFFECTED                 = 0x0
 	PR_SPEC_PRCTL                        = 0x1
 	PR_SPEC_STORE_BYPASS                 = 0x0
@@ -1502,6 +1514,8 @@ const (
 	PTRACE_SINGLEBLOCK                   = 0x100
 	PTRACE_SINGLESTEP                    = 0x9
 	PTRACE_SYSCALL                       = 0x18
+	PTRACE_SYSEMU                        = 0x1d
+	PTRACE_SYSEMU_SINGLESTEP             = 0x1e
 	PTRACE_TRACEME                       = 0x0
 	PT_CCR                               = 0x26
 	PT_CTR                               = 0x23
@@ -1788,6 +1802,8 @@ const (
 	SECCOMP_MODE_STRICT                  = 0x1
 	SECURITYFS_MAGIC                     = 0x73636673
 	SELINUX_MAGIC                        = 0xf97cff8c
+	SFD_CLOEXEC                          = 0x80000
+	SFD_NONBLOCK                         = 0x800
 	SHUT_RD                              = 0x0
 	SHUT_RDWR                            = 0x2
 	SHUT_WR                              = 0x1
@@ -2068,7 +2084,7 @@ const (
 	TASKSTATS_GENL_NAME                  = "TASKSTATS"
 	TASKSTATS_GENL_VERSION               = 0x1
 	TASKSTATS_TYPE_MAX                   = 0x6
-	TASKSTATS_VERSION                    = 0x8
+	TASKSTATS_VERSION                    = 0x9
 	TCFLSH                               = 0x2000741f
 	TCGETA                               = 0x40147417
 	TCGETS                               = 0x402c7413
@@ -2137,6 +2153,7 @@ const (
 	TCSETSF                              = 0x802c7416
 	TCSETSW                              = 0x802c7415
 	TCXONC                               = 0x2000741e
+	TIMER_ABSTIME                        = 0x1
 	TIOCCBRK                             = 0x5428
 	TIOCCONS                             = 0x541d
 	TIOCEXCL                             = 0x540c
@@ -2146,6 +2163,7 @@ const (
 	TIOCGETP                             = 0x40067408
 	TIOCGEXCL                            = 0x40045440
 	TIOCGICOUNT                          = 0x545d
+	TIOCGISO7816                         = 0x40285442
 	TIOCGLCKTRMIOS                       = 0x5456
 	TIOCGLTC                             = 0x40067474
 	TIOCGPGRP                            = 0x40047477
@@ -2206,6 +2224,7 @@ const (
 	TIOCSETN                             = 0x8006740a
 	TIOCSETP                             = 0x80067409
 	TIOCSIG                              = 0x80045436
+	TIOCSISO7816                         = 0xc0285443
 	TIOCSLCKTRMIOS                       = 0x5457
 	TIOCSLTC                             = 0x80067475
 	TIOCSPGRP                            = 0x80047476
@@ -2438,6 +2457,7 @@ const (
 	XDP_UMEM_REG                         = 0x4
 	XDP_ZEROCOPY                         = 0x4
 	XENFS_SUPER_MAGIC                    = 0xabba1974
+	XFS_SUPER_MAGIC                      = 0x58465342
 	XTABS                                = 0xc00
 	ZSMALLOC_MAGIC                       = 0x58295829
 )

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

@@ -638,7 +638,7 @@ const (
 	IFA_F_STABLE_PRIVACY                 = 0x800
 	IFA_F_TEMPORARY                      = 0x1
 	IFA_F_TENTATIVE                      = 0x40
-	IFA_MAX                              = 0x9
+	IFA_MAX                              = 0xa
 	IFF_ALLMULTI                         = 0x200
 	IFF_ATTACH_QUEUE                     = 0x200
 	IFF_AUTOMEDIA                        = 0x4000
@@ -912,6 +912,11 @@ const (
 	KEYCTL_JOIN_SESSION_KEYRING          = 0x1
 	KEYCTL_LINK                          = 0x8
 	KEYCTL_NEGATE                        = 0xd
+	KEYCTL_PKEY_DECRYPT                  = 0x1a
+	KEYCTL_PKEY_ENCRYPT                  = 0x19
+	KEYCTL_PKEY_QUERY                    = 0x18
+	KEYCTL_PKEY_SIGN                     = 0x1b
+	KEYCTL_PKEY_VERIFY                   = 0x1c
 	KEYCTL_READ                          = 0xb
 	KEYCTL_REJECT                        = 0x13
 	KEYCTL_RESTRICT_KEYRING              = 0x1d
@@ -921,6 +926,10 @@ const (
 	KEYCTL_SETPERM                       = 0x5
 	KEYCTL_SET_REQKEY_KEYRING            = 0xe
 	KEYCTL_SET_TIMEOUT                   = 0xf
+	KEYCTL_SUPPORTS_DECRYPT              = 0x2
+	KEYCTL_SUPPORTS_ENCRYPT              = 0x1
+	KEYCTL_SUPPORTS_SIGN                 = 0x4
+	KEYCTL_SUPPORTS_VERIFY               = 0x8
 	KEYCTL_UNLINK                        = 0x9
 	KEYCTL_UPDATE                        = 0x2
 	KEY_REQKEY_DEFL_DEFAULT              = 0x0
@@ -1098,6 +1107,7 @@ const (
 	NETLINK_FIB_LOOKUP                   = 0xa
 	NETLINK_FIREWALL                     = 0x3
 	NETLINK_GENERIC                      = 0x10
+	NETLINK_GET_STRICT_CHK               = 0xc
 	NETLINK_INET_DIAG                    = 0x4
 	NETLINK_IP6_FW                       = 0xd
 	NETLINK_ISCSI                        = 0x8
@@ -1243,6 +1253,7 @@ const (
 	PACKET_FASTROUTE                     = 0x6
 	PACKET_HDRLEN                        = 0xb
 	PACKET_HOST                          = 0x0
+	PACKET_IGNORE_OUTGOING               = 0x17
 	PACKET_KERNEL                        = 0x7
 	PACKET_LOOPBACK                      = 0x5
 	PACKET_LOSS                          = 0xe
@@ -1424,6 +1435,7 @@ const (
 	PR_SPEC_DISABLE                      = 0x4
 	PR_SPEC_ENABLE                       = 0x2
 	PR_SPEC_FORCE_DISABLE                = 0x8
+	PR_SPEC_INDIRECT_BRANCH              = 0x1
 	PR_SPEC_NOT_AFFECTED                 = 0x0
 	PR_SPEC_PRCTL                        = 0x1
 	PR_SPEC_STORE_BYPASS                 = 0x0
@@ -1502,6 +1514,8 @@ const (
 	PTRACE_SINGLEBLOCK                   = 0x100
 	PTRACE_SINGLESTEP                    = 0x9
 	PTRACE_SYSCALL                       = 0x18
+	PTRACE_SYSEMU                        = 0x1d
+	PTRACE_SYSEMU_SINGLESTEP             = 0x1e
 	PTRACE_TRACEME                       = 0x0
 	PT_CCR                               = 0x26
 	PT_CTR                               = 0x23
@@ -1788,6 +1802,8 @@ const (
 	SECCOMP_MODE_STRICT                  = 0x1
 	SECURITYFS_MAGIC                     = 0x73636673
 	SELINUX_MAGIC                        = 0xf97cff8c
+	SFD_CLOEXEC                          = 0x80000
+	SFD_NONBLOCK                         = 0x800
 	SHUT_RD                              = 0x0
 	SHUT_RDWR                            = 0x2
 	SHUT_WR                              = 0x1
@@ -2068,7 +2084,7 @@ const (
 	TASKSTATS_GENL_NAME                  = "TASKSTATS"
 	TASKSTATS_GENL_VERSION               = 0x1
 	TASKSTATS_TYPE_MAX                   = 0x6
-	TASKSTATS_VERSION                    = 0x8
+	TASKSTATS_VERSION                    = 0x9
 	TCFLSH                               = 0x2000741f
 	TCGETA                               = 0x40147417
 	TCGETS                               = 0x402c7413
@@ -2137,6 +2153,7 @@ const (
 	TCSETSF                              = 0x802c7416
 	TCSETSW                              = 0x802c7415
 	TCXONC                               = 0x2000741e
+	TIMER_ABSTIME                        = 0x1
 	TIOCCBRK                             = 0x5428
 	TIOCCONS                             = 0x541d
 	TIOCEXCL                             = 0x540c
@@ -2146,6 +2163,7 @@ const (
 	TIOCGETP                             = 0x40067408
 	TIOCGEXCL                            = 0x40045440
 	TIOCGICOUNT                          = 0x545d
+	TIOCGISO7816                         = 0x40285442
 	TIOCGLCKTRMIOS                       = 0x5456
 	TIOCGLTC                             = 0x40067474
 	TIOCGPGRP                            = 0x40047477
@@ -2206,6 +2224,7 @@ const (
 	TIOCSETN                             = 0x8006740a
 	TIOCSETP                             = 0x80067409
 	TIOCSIG                              = 0x80045436
+	TIOCSISO7816                         = 0xc0285443
 	TIOCSLCKTRMIOS                       = 0x5457
 	TIOCSLTC                             = 0x80067475
 	TIOCSPGRP                            = 0x80047476
@@ -2438,6 +2457,7 @@ const (
 	XDP_UMEM_REG                         = 0x4
 	XDP_ZEROCOPY                         = 0x4
 	XENFS_SUPER_MAGIC                    = 0xabba1974
+	XFS_SUPER_MAGIC                      = 0x58465342
 	XTABS                                = 0xc00
 	ZSMALLOC_MAGIC                       = 0x58295829
 )

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

@@ -638,7 +638,7 @@ const (
 	IFA_F_STABLE_PRIVACY                 = 0x800
 	IFA_F_TEMPORARY                      = 0x1
 	IFA_F_TENTATIVE                      = 0x40
-	IFA_MAX                              = 0x9
+	IFA_MAX                              = 0xa
 	IFF_ALLMULTI                         = 0x200
 	IFF_ATTACH_QUEUE                     = 0x200
 	IFF_AUTOMEDIA                        = 0x4000
@@ -912,6 +912,11 @@ const (
 	KEYCTL_JOIN_SESSION_KEYRING          = 0x1
 	KEYCTL_LINK                          = 0x8
 	KEYCTL_NEGATE                        = 0xd
+	KEYCTL_PKEY_DECRYPT                  = 0x1a
+	KEYCTL_PKEY_ENCRYPT                  = 0x19
+	KEYCTL_PKEY_QUERY                    = 0x18
+	KEYCTL_PKEY_SIGN                     = 0x1b
+	KEYCTL_PKEY_VERIFY                   = 0x1c
 	KEYCTL_READ                          = 0xb
 	KEYCTL_REJECT                        = 0x13
 	KEYCTL_RESTRICT_KEYRING              = 0x1d
@@ -921,6 +926,10 @@ const (
 	KEYCTL_SETPERM                       = 0x5
 	KEYCTL_SET_REQKEY_KEYRING            = 0xe
 	KEYCTL_SET_TIMEOUT                   = 0xf
+	KEYCTL_SUPPORTS_DECRYPT              = 0x2
+	KEYCTL_SUPPORTS_ENCRYPT              = 0x1
+	KEYCTL_SUPPORTS_SIGN                 = 0x4
+	KEYCTL_SUPPORTS_VERIFY               = 0x8
 	KEYCTL_UNLINK                        = 0x9
 	KEYCTL_UPDATE                        = 0x2
 	KEY_REQKEY_DEFL_DEFAULT              = 0x0
@@ -1099,6 +1108,7 @@ const (
 	NETLINK_FIB_LOOKUP                   = 0xa
 	NETLINK_FIREWALL                     = 0x3
 	NETLINK_GENERIC                      = 0x10
+	NETLINK_GET_STRICT_CHK               = 0xc
 	NETLINK_INET_DIAG                    = 0x4
 	NETLINK_IP6_FW                       = 0xd
 	NETLINK_ISCSI                        = 0x8
@@ -1242,6 +1252,7 @@ const (
 	PACKET_FASTROUTE                     = 0x6
 	PACKET_HDRLEN                        = 0xb
 	PACKET_HOST                          = 0x0
+	PACKET_IGNORE_OUTGOING               = 0x17
 	PACKET_KERNEL                        = 0x7
 	PACKET_LOOPBACK                      = 0x5
 	PACKET_LOSS                          = 0xe
@@ -1422,6 +1433,7 @@ const (
 	PR_SPEC_DISABLE                      = 0x4
 	PR_SPEC_ENABLE                       = 0x2
 	PR_SPEC_FORCE_DISABLE                = 0x8
+	PR_SPEC_INDIRECT_BRANCH              = 0x1
 	PR_SPEC_NOT_AFFECTED                 = 0x0
 	PR_SPEC_PRCTL                        = 0x1
 	PR_SPEC_STORE_BYPASS                 = 0x0
@@ -1720,6 +1732,8 @@ const (
 	SECCOMP_MODE_STRICT                  = 0x1
 	SECURITYFS_MAGIC                     = 0x73636673
 	SELINUX_MAGIC                        = 0xf97cff8c
+	SFD_CLOEXEC                          = 0x80000
+	SFD_NONBLOCK                         = 0x800
 	SHUT_RD                              = 0x0
 	SHUT_RDWR                            = 0x2
 	SHUT_WR                              = 0x1
@@ -2000,7 +2014,7 @@ const (
 	TASKSTATS_GENL_NAME                  = "TASKSTATS"
 	TASKSTATS_GENL_VERSION               = 0x1
 	TASKSTATS_TYPE_MAX                   = 0x6
-	TASKSTATS_VERSION                    = 0x8
+	TASKSTATS_VERSION                    = 0x9
 	TCFLSH                               = 0x540b
 	TCGETA                               = 0x5405
 	TCGETS                               = 0x5401
@@ -2077,6 +2091,7 @@ const (
 	TCSETXF                              = 0x5434
 	TCSETXW                              = 0x5435
 	TCXONC                               = 0x540a
+	TIMER_ABSTIME                        = 0x1
 	TIOCCBRK                             = 0x5428
 	TIOCCONS                             = 0x541d
 	TIOCEXCL                             = 0x540c
@@ -2084,6 +2099,7 @@ const (
 	TIOCGETD                             = 0x5424
 	TIOCGEXCL                            = 0x80045440
 	TIOCGICOUNT                          = 0x545d
+	TIOCGISO7816                         = 0x80285442
 	TIOCGLCKTRMIOS                       = 0x5456
 	TIOCGPGRP                            = 0x540f
 	TIOCGPKT                             = 0x80045438
@@ -2137,6 +2153,7 @@ const (
 	TIOCSER_TEMT                         = 0x1
 	TIOCSETD                             = 0x5423
 	TIOCSIG                              = 0x40045436
+	TIOCSISO7816                         = 0xc0285443
 	TIOCSLCKTRMIOS                       = 0x5457
 	TIOCSPGRP                            = 0x5410
 	TIOCSPTLCK                           = 0x40045431
@@ -2366,6 +2383,7 @@ const (
 	XDP_UMEM_REG                         = 0x4
 	XDP_ZEROCOPY                         = 0x4
 	XENFS_SUPER_MAGIC                    = 0xabba1974
+	XFS_SUPER_MAGIC                      = 0x58465342
 	XTABS                                = 0x1800
 	ZSMALLOC_MAGIC                       = 0x58295829
 )

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

@@ -638,7 +638,7 @@ const (
 	IFA_F_STABLE_PRIVACY                 = 0x800
 	IFA_F_TEMPORARY                      = 0x1
 	IFA_F_TENTATIVE                      = 0x40
-	IFA_MAX                              = 0x9
+	IFA_MAX                              = 0xa
 	IFF_ALLMULTI                         = 0x200
 	IFF_ATTACH_QUEUE                     = 0x200
 	IFF_AUTOMEDIA                        = 0x4000
@@ -912,6 +912,11 @@ const (
 	KEYCTL_JOIN_SESSION_KEYRING          = 0x1
 	KEYCTL_LINK                          = 0x8
 	KEYCTL_NEGATE                        = 0xd
+	KEYCTL_PKEY_DECRYPT                  = 0x1a
+	KEYCTL_PKEY_ENCRYPT                  = 0x19
+	KEYCTL_PKEY_QUERY                    = 0x18
+	KEYCTL_PKEY_SIGN                     = 0x1b
+	KEYCTL_PKEY_VERIFY                   = 0x1c
 	KEYCTL_READ                          = 0xb
 	KEYCTL_REJECT                        = 0x13
 	KEYCTL_RESTRICT_KEYRING              = 0x1d
@@ -921,6 +926,10 @@ const (
 	KEYCTL_SETPERM                       = 0x5
 	KEYCTL_SET_REQKEY_KEYRING            = 0xe
 	KEYCTL_SET_TIMEOUT                   = 0xf
+	KEYCTL_SUPPORTS_DECRYPT              = 0x2
+	KEYCTL_SUPPORTS_ENCRYPT              = 0x1
+	KEYCTL_SUPPORTS_SIGN                 = 0x4
+	KEYCTL_SUPPORTS_VERIFY               = 0x8
 	KEYCTL_UNLINK                        = 0x9
 	KEYCTL_UPDATE                        = 0x2
 	KEY_REQKEY_DEFL_DEFAULT              = 0x0
@@ -1099,6 +1108,7 @@ const (
 	NETLINK_FIB_LOOKUP                   = 0xa
 	NETLINK_FIREWALL                     = 0x3
 	NETLINK_GENERIC                      = 0x10
+	NETLINK_GET_STRICT_CHK               = 0xc
 	NETLINK_INET_DIAG                    = 0x4
 	NETLINK_IP6_FW                       = 0xd
 	NETLINK_ISCSI                        = 0x8
@@ -1242,6 +1252,7 @@ const (
 	PACKET_FASTROUTE                     = 0x6
 	PACKET_HDRLEN                        = 0xb
 	PACKET_HOST                          = 0x0
+	PACKET_IGNORE_OUTGOING               = 0x17
 	PACKET_KERNEL                        = 0x7
 	PACKET_LOOPBACK                      = 0x5
 	PACKET_LOSS                          = 0xe
@@ -1422,6 +1433,7 @@ const (
 	PR_SPEC_DISABLE                      = 0x4
 	PR_SPEC_ENABLE                       = 0x2
 	PR_SPEC_FORCE_DISABLE                = 0x8
+	PR_SPEC_INDIRECT_BRANCH              = 0x1
 	PR_SPEC_NOT_AFFECTED                 = 0x0
 	PR_SPEC_PRCTL                        = 0x1
 	PR_SPEC_STORE_BYPASS                 = 0x0
@@ -1793,6 +1805,8 @@ const (
 	SECCOMP_MODE_STRICT                  = 0x1
 	SECURITYFS_MAGIC                     = 0x73636673
 	SELINUX_MAGIC                        = 0xf97cff8c
+	SFD_CLOEXEC                          = 0x80000
+	SFD_NONBLOCK                         = 0x800
 	SHUT_RD                              = 0x0
 	SHUT_RDWR                            = 0x2
 	SHUT_WR                              = 0x1
@@ -2073,7 +2087,7 @@ const (
 	TASKSTATS_GENL_NAME                  = "TASKSTATS"
 	TASKSTATS_GENL_VERSION               = 0x1
 	TASKSTATS_TYPE_MAX                   = 0x6
-	TASKSTATS_VERSION                    = 0x8
+	TASKSTATS_VERSION                    = 0x9
 	TCFLSH                               = 0x540b
 	TCGETA                               = 0x5405
 	TCGETS                               = 0x5401
@@ -2150,6 +2164,7 @@ const (
 	TCSETXF                              = 0x5434
 	TCSETXW                              = 0x5435
 	TCXONC                               = 0x540a
+	TIMER_ABSTIME                        = 0x1
 	TIOCCBRK                             = 0x5428
 	TIOCCONS                             = 0x541d
 	TIOCEXCL                             = 0x540c
@@ -2157,6 +2172,7 @@ const (
 	TIOCGETD                             = 0x5424
 	TIOCGEXCL                            = 0x80045440
 	TIOCGICOUNT                          = 0x545d
+	TIOCGISO7816                         = 0x80285442
 	TIOCGLCKTRMIOS                       = 0x5456
 	TIOCGPGRP                            = 0x540f
 	TIOCGPKT                             = 0x80045438
@@ -2210,6 +2226,7 @@ const (
 	TIOCSER_TEMT                         = 0x1
 	TIOCSETD                             = 0x5423
 	TIOCSIG                              = 0x40045436
+	TIOCSISO7816                         = 0xc0285443
 	TIOCSLCKTRMIOS                       = 0x5457
 	TIOCSPGRP                            = 0x5410
 	TIOCSPTLCK                           = 0x40045431
@@ -2439,6 +2456,7 @@ const (
 	XDP_UMEM_REG                         = 0x4
 	XDP_ZEROCOPY                         = 0x4
 	XENFS_SUPER_MAGIC                    = 0xabba1974
+	XFS_SUPER_MAGIC                      = 0x58465342
 	XTABS                                = 0x1800
 	ZSMALLOC_MAGIC                       = 0x58295829
 )

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

@@ -1,4 +1,4 @@
-// mksyscall_aix_ppc.pl -aix -tags aix,ppc syscall_aix.go syscall_aix_ppc.go
+// go run mksyscall_aix_ppc.go -aix -tags aix,ppc syscall_aix.go syscall_aix_ppc.go
 // Code generated by the command above; see README.md. DO NOT EDIT.
 
 // +build aix,ppc

vendor/golang.org/x/sys/unix/zsyscall_darwin_386.s

@@ -0,0 +1,284 @@
+// go run mkasm_darwin.go 386
+// Code generated by the command above; DO NOT EDIT.
+
+// +build go1.12
+
+#include "textflag.h"
+TEXT ·libc_getgroups_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_getgroups(SB)
+TEXT ·libc_setgroups_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_setgroups(SB)
+TEXT ·libc_wait4_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_wait4(SB)
+TEXT ·libc_accept_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_accept(SB)
+TEXT ·libc_bind_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_bind(SB)
+TEXT ·libc_connect_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_connect(SB)
+TEXT ·libc_socket_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_socket(SB)
+TEXT ·libc_getsockopt_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_getsockopt(SB)
+TEXT ·libc_setsockopt_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_setsockopt(SB)
+TEXT ·libc_getpeername_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_getpeername(SB)
+TEXT ·libc_getsockname_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_getsockname(SB)
+TEXT ·libc_shutdown_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_shutdown(SB)
+TEXT ·libc_socketpair_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_socketpair(SB)
+TEXT ·libc_recvfrom_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_recvfrom(SB)
+TEXT ·libc_sendto_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_sendto(SB)
+TEXT ·libc_recvmsg_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_recvmsg(SB)
+TEXT ·libc_sendmsg_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_sendmsg(SB)
+TEXT ·libc_kevent_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_kevent(SB)
+TEXT ·libc___sysctl_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc___sysctl(SB)
+TEXT ·libc_utimes_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_utimes(SB)
+TEXT ·libc_futimes_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_futimes(SB)
+TEXT ·libc_fcntl_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_fcntl(SB)
+TEXT ·libc_poll_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_poll(SB)
+TEXT ·libc_madvise_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_madvise(SB)
+TEXT ·libc_mlock_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_mlock(SB)
+TEXT ·libc_mlockall_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_mlockall(SB)
+TEXT ·libc_mprotect_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_mprotect(SB)
+TEXT ·libc_msync_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_msync(SB)
+TEXT ·libc_munlock_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_munlock(SB)
+TEXT ·libc_munlockall_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_munlockall(SB)
+TEXT ·libc_ptrace_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_ptrace(SB)
+TEXT ·libc_getattrlist_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_getattrlist(SB)
+TEXT ·libc_pipe_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_pipe(SB)
+TEXT ·libc_getxattr_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_getxattr(SB)
+TEXT ·libc_fgetxattr_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_fgetxattr(SB)
+TEXT ·libc_setxattr_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_setxattr(SB)
+TEXT ·libc_fsetxattr_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_fsetxattr(SB)
+TEXT ·libc_removexattr_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_removexattr(SB)
+TEXT ·libc_fremovexattr_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_fremovexattr(SB)
+TEXT ·libc_listxattr_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_listxattr(SB)
+TEXT ·libc_flistxattr_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_flistxattr(SB)
+TEXT ·libc_setattrlist_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_setattrlist(SB)
+TEXT ·libc_kill_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_kill(SB)
+TEXT ·libc_ioctl_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_ioctl(SB)
+TEXT ·libc_sendfile_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_sendfile(SB)
+TEXT ·libc_access_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_access(SB)
+TEXT ·libc_adjtime_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_adjtime(SB)
+TEXT ·libc_chdir_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_chdir(SB)
+TEXT ·libc_chflags_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_chflags(SB)
+TEXT ·libc_chmod_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_chmod(SB)
+TEXT ·libc_chown_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_chown(SB)
+TEXT ·libc_chroot_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_chroot(SB)
+TEXT ·libc_close_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_close(SB)
+TEXT ·libc_dup_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_dup(SB)
+TEXT ·libc_dup2_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_dup2(SB)
+TEXT ·libc_exchangedata_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_exchangedata(SB)
+TEXT ·libc_exit_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_exit(SB)
+TEXT ·libc_faccessat_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_faccessat(SB)
+TEXT ·libc_fchdir_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_fchdir(SB)
+TEXT ·libc_fchflags_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_fchflags(SB)
+TEXT ·libc_fchmod_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_fchmod(SB)
+TEXT ·libc_fchmodat_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_fchmodat(SB)
+TEXT ·libc_fchown_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_fchown(SB)
+TEXT ·libc_fchownat_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_fchownat(SB)
+TEXT ·libc_flock_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_flock(SB)
+TEXT ·libc_fpathconf_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_fpathconf(SB)
+TEXT ·libc_fsync_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_fsync(SB)
+TEXT ·libc_ftruncate_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_ftruncate(SB)
+TEXT ·libc_getdtablesize_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_getdtablesize(SB)
+TEXT ·libc_getegid_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_getegid(SB)
+TEXT ·libc_geteuid_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_geteuid(SB)
+TEXT ·libc_getgid_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_getgid(SB)
+TEXT ·libc_getpgid_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_getpgid(SB)
+TEXT ·libc_getpgrp_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_getpgrp(SB)
+TEXT ·libc_getpid_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_getpid(SB)
+TEXT ·libc_getppid_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_getppid(SB)
+TEXT ·libc_getpriority_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_getpriority(SB)
+TEXT ·libc_getrlimit_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_getrlimit(SB)
+TEXT ·libc_getrusage_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_getrusage(SB)
+TEXT ·libc_getsid_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_getsid(SB)
+TEXT ·libc_getuid_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_getuid(SB)
+TEXT ·libc_issetugid_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_issetugid(SB)
+TEXT ·libc_kqueue_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_kqueue(SB)
+TEXT ·libc_lchown_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_lchown(SB)
+TEXT ·libc_link_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_link(SB)
+TEXT ·libc_linkat_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_linkat(SB)
+TEXT ·libc_listen_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_listen(SB)
+TEXT ·libc_mkdir_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_mkdir(SB)
+TEXT ·libc_mkdirat_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_mkdirat(SB)
+TEXT ·libc_mkfifo_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_mkfifo(SB)
+TEXT ·libc_mknod_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_mknod(SB)
+TEXT ·libc_open_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_open(SB)
+TEXT ·libc_openat_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_openat(SB)
+TEXT ·libc_pathconf_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_pathconf(SB)
+TEXT ·libc_pread_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_pread(SB)
+TEXT ·libc_pwrite_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_pwrite(SB)
+TEXT ·libc_read_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_read(SB)
+TEXT ·libc_readlink_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_readlink(SB)
+TEXT ·libc_readlinkat_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_readlinkat(SB)
+TEXT ·libc_rename_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_rename(SB)
+TEXT ·libc_renameat_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_renameat(SB)
+TEXT ·libc_revoke_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_revoke(SB)
+TEXT ·libc_rmdir_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_rmdir(SB)
+TEXT ·libc_lseek_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_lseek(SB)
+TEXT ·libc_select_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_select(SB)
+TEXT ·libc_setegid_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_setegid(SB)
+TEXT ·libc_seteuid_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_seteuid(SB)
+TEXT ·libc_setgid_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_setgid(SB)
+TEXT ·libc_setlogin_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_setlogin(SB)
+TEXT ·libc_setpgid_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_setpgid(SB)
+TEXT ·libc_setpriority_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_setpriority(SB)
+TEXT ·libc_setprivexec_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_setprivexec(SB)
+TEXT ·libc_setregid_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_setregid(SB)
+TEXT ·libc_setreuid_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_setreuid(SB)
+TEXT ·libc_setrlimit_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_setrlimit(SB)
+TEXT ·libc_setsid_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_setsid(SB)
+TEXT ·libc_settimeofday_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_settimeofday(SB)
+TEXT ·libc_setuid_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_setuid(SB)
+TEXT ·libc_symlink_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_symlink(SB)
+TEXT ·libc_symlinkat_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_symlinkat(SB)
+TEXT ·libc_sync_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_sync(SB)
+TEXT ·libc_truncate_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_truncate(SB)
+TEXT ·libc_umask_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_umask(SB)
+TEXT ·libc_undelete_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_undelete(SB)
+TEXT ·libc_unlink_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_unlink(SB)
+TEXT ·libc_unlinkat_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_unlinkat(SB)
+TEXT ·libc_unmount_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_unmount(SB)
+TEXT ·libc_write_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_write(SB)
+TEXT ·libc_mmap_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_mmap(SB)
+TEXT ·libc_munmap_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_munmap(SB)
+TEXT ·libc_gettimeofday_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_gettimeofday(SB)
+TEXT ·libc_fstat64_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_fstat64(SB)
+TEXT ·libc_fstatat64_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_fstatat64(SB)
+TEXT ·libc_fstatfs64_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_fstatfs64(SB)
+TEXT ·libc___getdirentries64_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc___getdirentries64(SB)
+TEXT ·libc_getfsstat64_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_getfsstat64(SB)
+TEXT ·libc_lstat64_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_lstat64(SB)
+TEXT ·libc_stat64_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_stat64(SB)
+TEXT ·libc_statfs64_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_statfs64(SB)

vendor/golang.org/x/sys/unix/zsyscall_darwin_amd64.s

@@ -0,0 +1,284 @@
+// go run mkasm_darwin.go amd64
+// Code generated by the command above; DO NOT EDIT.
+
+// +build go1.12
+
+#include "textflag.h"
+TEXT ·libc_getgroups_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_getgroups(SB)
+TEXT ·libc_setgroups_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_setgroups(SB)
+TEXT ·libc_wait4_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_wait4(SB)
+TEXT ·libc_accept_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_accept(SB)
+TEXT ·libc_bind_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_bind(SB)
+TEXT ·libc_connect_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_connect(SB)
+TEXT ·libc_socket_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_socket(SB)
+TEXT ·libc_getsockopt_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_getsockopt(SB)
+TEXT ·libc_setsockopt_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_setsockopt(SB)
+TEXT ·libc_getpeername_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_getpeername(SB)
+TEXT ·libc_getsockname_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_getsockname(SB)
+TEXT ·libc_shutdown_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_shutdown(SB)
+TEXT ·libc_socketpair_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_socketpair(SB)
+TEXT ·libc_recvfrom_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_recvfrom(SB)
+TEXT ·libc_sendto_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_sendto(SB)
+TEXT ·libc_recvmsg_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_recvmsg(SB)
+TEXT ·libc_sendmsg_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_sendmsg(SB)
+TEXT ·libc_kevent_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_kevent(SB)
+TEXT ·libc___sysctl_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc___sysctl(SB)
+TEXT ·libc_utimes_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_utimes(SB)
+TEXT ·libc_futimes_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_futimes(SB)
+TEXT ·libc_fcntl_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_fcntl(SB)
+TEXT ·libc_poll_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_poll(SB)
+TEXT ·libc_madvise_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_madvise(SB)
+TEXT ·libc_mlock_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_mlock(SB)
+TEXT ·libc_mlockall_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_mlockall(SB)
+TEXT ·libc_mprotect_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_mprotect(SB)
+TEXT ·libc_msync_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_msync(SB)
+TEXT ·libc_munlock_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_munlock(SB)
+TEXT ·libc_munlockall_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_munlockall(SB)
+TEXT ·libc_ptrace_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_ptrace(SB)
+TEXT ·libc_getattrlist_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_getattrlist(SB)
+TEXT ·libc_pipe_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_pipe(SB)
+TEXT ·libc_getxattr_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_getxattr(SB)
+TEXT ·libc_fgetxattr_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_fgetxattr(SB)
+TEXT ·libc_setxattr_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_setxattr(SB)
+TEXT ·libc_fsetxattr_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_fsetxattr(SB)
+TEXT ·libc_removexattr_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_removexattr(SB)
+TEXT ·libc_fremovexattr_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_fremovexattr(SB)
+TEXT ·libc_listxattr_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_listxattr(SB)
+TEXT ·libc_flistxattr_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_flistxattr(SB)
+TEXT ·libc_setattrlist_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_setattrlist(SB)
+TEXT ·libc_kill_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_kill(SB)
+TEXT ·libc_ioctl_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_ioctl(SB)
+TEXT ·libc_sendfile_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_sendfile(SB)
+TEXT ·libc_access_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_access(SB)
+TEXT ·libc_adjtime_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_adjtime(SB)
+TEXT ·libc_chdir_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_chdir(SB)
+TEXT ·libc_chflags_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_chflags(SB)
+TEXT ·libc_chmod_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_chmod(SB)
+TEXT ·libc_chown_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_chown(SB)
+TEXT ·libc_chroot_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_chroot(SB)
+TEXT ·libc_close_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_close(SB)
+TEXT ·libc_dup_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_dup(SB)
+TEXT ·libc_dup2_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_dup2(SB)
+TEXT ·libc_exchangedata_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_exchangedata(SB)
+TEXT ·libc_exit_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_exit(SB)
+TEXT ·libc_faccessat_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_faccessat(SB)
+TEXT ·libc_fchdir_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_fchdir(SB)
+TEXT ·libc_fchflags_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_fchflags(SB)
+TEXT ·libc_fchmod_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_fchmod(SB)
+TEXT ·libc_fchmodat_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_fchmodat(SB)
+TEXT ·libc_fchown_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_fchown(SB)
+TEXT ·libc_fchownat_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_fchownat(SB)
+TEXT ·libc_flock_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_flock(SB)
+TEXT ·libc_fpathconf_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_fpathconf(SB)
+TEXT ·libc_fsync_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_fsync(SB)
+TEXT ·libc_ftruncate_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_ftruncate(SB)
+TEXT ·libc_getdtablesize_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_getdtablesize(SB)
+TEXT ·libc_getegid_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_getegid(SB)
+TEXT ·libc_geteuid_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_geteuid(SB)
+TEXT ·libc_getgid_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_getgid(SB)
+TEXT ·libc_getpgid_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_getpgid(SB)
+TEXT ·libc_getpgrp_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_getpgrp(SB)
+TEXT ·libc_getpid_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_getpid(SB)
+TEXT ·libc_getppid_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_getppid(SB)
+TEXT ·libc_getpriority_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_getpriority(SB)
+TEXT ·libc_getrlimit_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_getrlimit(SB)
+TEXT ·libc_getrusage_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_getrusage(SB)
+TEXT ·libc_getsid_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_getsid(SB)
+TEXT ·libc_getuid_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_getuid(SB)
+TEXT ·libc_issetugid_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_issetugid(SB)
+TEXT ·libc_kqueue_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_kqueue(SB)
+TEXT ·libc_lchown_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_lchown(SB)
+TEXT ·libc_link_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_link(SB)
+TEXT ·libc_linkat_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_linkat(SB)
+TEXT ·libc_listen_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_listen(SB)
+TEXT ·libc_mkdir_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_mkdir(SB)
+TEXT ·libc_mkdirat_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_mkdirat(SB)
+TEXT ·libc_mkfifo_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_mkfifo(SB)
+TEXT ·libc_mknod_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_mknod(SB)
+TEXT ·libc_open_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_open(SB)
+TEXT ·libc_openat_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_openat(SB)
+TEXT ·libc_pathconf_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_pathconf(SB)
+TEXT ·libc_pread_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_pread(SB)
+TEXT ·libc_pwrite_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_pwrite(SB)
+TEXT ·libc_read_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_read(SB)
+TEXT ·libc_readlink_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_readlink(SB)
+TEXT ·libc_readlinkat_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_readlinkat(SB)
+TEXT ·libc_rename_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_rename(SB)
+TEXT ·libc_renameat_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_renameat(SB)
+TEXT ·libc_revoke_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_revoke(SB)
+TEXT ·libc_rmdir_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_rmdir(SB)
+TEXT ·libc_lseek_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_lseek(SB)
+TEXT ·libc_select_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_select(SB)
+TEXT ·libc_setegid_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_setegid(SB)
+TEXT ·libc_seteuid_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_seteuid(SB)
+TEXT ·libc_setgid_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_setgid(SB)
+TEXT ·libc_setlogin_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_setlogin(SB)
+TEXT ·libc_setpgid_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_setpgid(SB)
+TEXT ·libc_setpriority_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_setpriority(SB)
+TEXT ·libc_setprivexec_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_setprivexec(SB)
+TEXT ·libc_setregid_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_setregid(SB)
+TEXT ·libc_setreuid_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_setreuid(SB)
+TEXT ·libc_setrlimit_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_setrlimit(SB)
+TEXT ·libc_setsid_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_setsid(SB)
+TEXT ·libc_settimeofday_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_settimeofday(SB)
+TEXT ·libc_setuid_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_setuid(SB)
+TEXT ·libc_symlink_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_symlink(SB)
+TEXT ·libc_symlinkat_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_symlinkat(SB)
+TEXT ·libc_sync_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_sync(SB)
+TEXT ·libc_truncate_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_truncate(SB)
+TEXT ·libc_umask_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_umask(SB)
+TEXT ·libc_undelete_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_undelete(SB)
+TEXT ·libc_unlink_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_unlink(SB)
+TEXT ·libc_unlinkat_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_unlinkat(SB)
+TEXT ·libc_unmount_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_unmount(SB)
+TEXT ·libc_write_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_write(SB)
+TEXT ·libc_mmap_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_mmap(SB)
+TEXT ·libc_munmap_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_munmap(SB)
+TEXT ·libc_gettimeofday_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_gettimeofday(SB)
+TEXT ·libc_fstat64_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_fstat64(SB)
+TEXT ·libc_fstatat64_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_fstatat64(SB)
+TEXT ·libc_fstatfs64_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_fstatfs64(SB)
+TEXT ·libc___getdirentries64_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc___getdirentries64(SB)
+TEXT ·libc_getfsstat64_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_getfsstat64(SB)
+TEXT ·libc_lstat64_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_lstat64(SB)
+TEXT ·libc_stat64_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_stat64(SB)
+TEXT ·libc_statfs64_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_statfs64(SB)

vendor/golang.org/x/sys/unix/zsyscall_darwin_arm.s

@@ -0,0 +1,282 @@
+// go run mkasm_darwin.go arm
+// Code generated by the command above; DO NOT EDIT.
+
+// +build go1.12
+
+#include "textflag.h"
+TEXT ·libc_getgroups_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_getgroups(SB)
+TEXT ·libc_setgroups_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_setgroups(SB)
+TEXT ·libc_wait4_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_wait4(SB)
+TEXT ·libc_accept_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_accept(SB)
+TEXT ·libc_bind_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_bind(SB)
+TEXT ·libc_connect_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_connect(SB)
+TEXT ·libc_socket_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_socket(SB)
+TEXT ·libc_getsockopt_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_getsockopt(SB)
+TEXT ·libc_setsockopt_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_setsockopt(SB)
+TEXT ·libc_getpeername_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_getpeername(SB)
+TEXT ·libc_getsockname_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_getsockname(SB)
+TEXT ·libc_shutdown_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_shutdown(SB)
+TEXT ·libc_socketpair_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_socketpair(SB)
+TEXT ·libc_recvfrom_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_recvfrom(SB)
+TEXT ·libc_sendto_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_sendto(SB)
+TEXT ·libc_recvmsg_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_recvmsg(SB)
+TEXT ·libc_sendmsg_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_sendmsg(SB)
+TEXT ·libc_kevent_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_kevent(SB)
+TEXT ·libc___sysctl_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc___sysctl(SB)
+TEXT ·libc_utimes_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_utimes(SB)
+TEXT ·libc_futimes_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_futimes(SB)
+TEXT ·libc_fcntl_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_fcntl(SB)
+TEXT ·libc_poll_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_poll(SB)
+TEXT ·libc_madvise_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_madvise(SB)
+TEXT ·libc_mlock_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_mlock(SB)
+TEXT ·libc_mlockall_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_mlockall(SB)
+TEXT ·libc_mprotect_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_mprotect(SB)
+TEXT ·libc_msync_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_msync(SB)
+TEXT ·libc_munlock_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_munlock(SB)
+TEXT ·libc_munlockall_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_munlockall(SB)
+TEXT ·libc_ptrace_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_ptrace(SB)
+TEXT ·libc_getattrlist_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_getattrlist(SB)
+TEXT ·libc_pipe_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_pipe(SB)
+TEXT ·libc_getxattr_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_getxattr(SB)
+TEXT ·libc_fgetxattr_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_fgetxattr(SB)
+TEXT ·libc_setxattr_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_setxattr(SB)
+TEXT ·libc_fsetxattr_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_fsetxattr(SB)
+TEXT ·libc_removexattr_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_removexattr(SB)
+TEXT ·libc_fremovexattr_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_fremovexattr(SB)
+TEXT ·libc_listxattr_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_listxattr(SB)
+TEXT ·libc_flistxattr_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_flistxattr(SB)
+TEXT ·libc_setattrlist_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_setattrlist(SB)
+TEXT ·libc_kill_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_kill(SB)
+TEXT ·libc_ioctl_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_ioctl(SB)
+TEXT ·libc_sendfile_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_sendfile(SB)
+TEXT ·libc_access_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_access(SB)
+TEXT ·libc_adjtime_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_adjtime(SB)
+TEXT ·libc_chdir_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_chdir(SB)
+TEXT ·libc_chflags_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_chflags(SB)
+TEXT ·libc_chmod_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_chmod(SB)
+TEXT ·libc_chown_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_chown(SB)
+TEXT ·libc_chroot_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_chroot(SB)
+TEXT ·libc_close_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_close(SB)
+TEXT ·libc_dup_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_dup(SB)
+TEXT ·libc_dup2_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_dup2(SB)
+TEXT ·libc_exchangedata_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_exchangedata(SB)
+TEXT ·libc_exit_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_exit(SB)
+TEXT ·libc_faccessat_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_faccessat(SB)
+TEXT ·libc_fchdir_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_fchdir(SB)
+TEXT ·libc_fchflags_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_fchflags(SB)
+TEXT ·libc_fchmod_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_fchmod(SB)
+TEXT ·libc_fchmodat_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_fchmodat(SB)
+TEXT ·libc_fchown_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_fchown(SB)
+TEXT ·libc_fchownat_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_fchownat(SB)
+TEXT ·libc_flock_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_flock(SB)
+TEXT ·libc_fpathconf_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_fpathconf(SB)
+TEXT ·libc_fsync_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_fsync(SB)
+TEXT ·libc_ftruncate_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_ftruncate(SB)
+TEXT ·libc_getdtablesize_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_getdtablesize(SB)
+TEXT ·libc_getegid_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_getegid(SB)
+TEXT ·libc_geteuid_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_geteuid(SB)
+TEXT ·libc_getgid_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_getgid(SB)
+TEXT ·libc_getpgid_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_getpgid(SB)
+TEXT ·libc_getpgrp_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_getpgrp(SB)
+TEXT ·libc_getpid_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_getpid(SB)
+TEXT ·libc_getppid_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_getppid(SB)
+TEXT ·libc_getpriority_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_getpriority(SB)
+TEXT ·libc_getrlimit_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_getrlimit(SB)
+TEXT ·libc_getrusage_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_getrusage(SB)
+TEXT ·libc_getsid_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_getsid(SB)
+TEXT ·libc_getuid_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_getuid(SB)
+TEXT ·libc_issetugid_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_issetugid(SB)
+TEXT ·libc_kqueue_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_kqueue(SB)
+TEXT ·libc_lchown_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_lchown(SB)
+TEXT ·libc_link_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_link(SB)
+TEXT ·libc_linkat_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_linkat(SB)
+TEXT ·libc_listen_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_listen(SB)
+TEXT ·libc_mkdir_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_mkdir(SB)
+TEXT ·libc_mkdirat_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_mkdirat(SB)
+TEXT ·libc_mkfifo_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_mkfifo(SB)
+TEXT ·libc_mknod_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_mknod(SB)
+TEXT ·libc_open_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_open(SB)
+TEXT ·libc_openat_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_openat(SB)
+TEXT ·libc_pathconf_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_pathconf(SB)
+TEXT ·libc_pread_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_pread(SB)
+TEXT ·libc_pwrite_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_pwrite(SB)
+TEXT ·libc_read_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_read(SB)
+TEXT ·libc_readlink_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_readlink(SB)
+TEXT ·libc_readlinkat_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_readlinkat(SB)
+TEXT ·libc_rename_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_rename(SB)
+TEXT ·libc_renameat_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_renameat(SB)
+TEXT ·libc_revoke_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_revoke(SB)
+TEXT ·libc_rmdir_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_rmdir(SB)
+TEXT ·libc_lseek_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_lseek(SB)
+TEXT ·libc_select_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_select(SB)
+TEXT ·libc_setegid_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_setegid(SB)
+TEXT ·libc_seteuid_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_seteuid(SB)
+TEXT ·libc_setgid_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_setgid(SB)
+TEXT ·libc_setlogin_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_setlogin(SB)
+TEXT ·libc_setpgid_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_setpgid(SB)
+TEXT ·libc_setpriority_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_setpriority(SB)
+TEXT ·libc_setprivexec_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_setprivexec(SB)
+TEXT ·libc_setregid_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_setregid(SB)
+TEXT ·libc_setreuid_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_setreuid(SB)
+TEXT ·libc_setrlimit_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_setrlimit(SB)
+TEXT ·libc_setsid_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_setsid(SB)
+TEXT ·libc_settimeofday_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_settimeofday(SB)
+TEXT ·libc_setuid_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_setuid(SB)
+TEXT ·libc_symlink_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_symlink(SB)
+TEXT ·libc_symlinkat_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_symlinkat(SB)
+TEXT ·libc_sync_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_sync(SB)
+TEXT ·libc_truncate_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_truncate(SB)
+TEXT ·libc_umask_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_umask(SB)
+TEXT ·libc_undelete_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_undelete(SB)
+TEXT ·libc_unlink_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_unlink(SB)
+TEXT ·libc_unlinkat_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_unlinkat(SB)
+TEXT ·libc_unmount_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_unmount(SB)
+TEXT ·libc_write_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_write(SB)
+TEXT ·libc_mmap_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_mmap(SB)
+TEXT ·libc_munmap_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_munmap(SB)
+TEXT ·libc_gettimeofday_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_gettimeofday(SB)
+TEXT ·libc_fstat_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_fstat(SB)
+TEXT ·libc_fstatat_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_fstatat(SB)
+TEXT ·libc_fstatfs_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_fstatfs(SB)
+TEXT ·libc_getfsstat_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_getfsstat(SB)
+TEXT ·libc_lstat_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_lstat(SB)
+TEXT ·libc_stat_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_stat(SB)
+TEXT ·libc_statfs_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_statfs(SB)

vendor/golang.org/x/sys/unix/zsyscall_darwin_arm64.s

@@ -0,0 +1,282 @@
+// go run mkasm_darwin.go arm64
+// Code generated by the command above; DO NOT EDIT.
+
+// +build go1.12
+
+#include "textflag.h"
+TEXT ·libc_getgroups_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_getgroups(SB)
+TEXT ·libc_setgroups_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_setgroups(SB)
+TEXT ·libc_wait4_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_wait4(SB)
+TEXT ·libc_accept_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_accept(SB)
+TEXT ·libc_bind_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_bind(SB)
+TEXT ·libc_connect_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_connect(SB)
+TEXT ·libc_socket_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_socket(SB)
+TEXT ·libc_getsockopt_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_getsockopt(SB)
+TEXT ·libc_setsockopt_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_setsockopt(SB)
+TEXT ·libc_getpeername_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_getpeername(SB)
+TEXT ·libc_getsockname_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_getsockname(SB)
+TEXT ·libc_shutdown_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_shutdown(SB)
+TEXT ·libc_socketpair_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_socketpair(SB)
+TEXT ·libc_recvfrom_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_recvfrom(SB)
+TEXT ·libc_sendto_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_sendto(SB)
+TEXT ·libc_recvmsg_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_recvmsg(SB)
+TEXT ·libc_sendmsg_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_sendmsg(SB)
+TEXT ·libc_kevent_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_kevent(SB)
+TEXT ·libc___sysctl_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc___sysctl(SB)
+TEXT ·libc_utimes_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_utimes(SB)
+TEXT ·libc_futimes_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_futimes(SB)
+TEXT ·libc_fcntl_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_fcntl(SB)
+TEXT ·libc_poll_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_poll(SB)
+TEXT ·libc_madvise_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_madvise(SB)
+TEXT ·libc_mlock_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_mlock(SB)
+TEXT ·libc_mlockall_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_mlockall(SB)
+TEXT ·libc_mprotect_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_mprotect(SB)
+TEXT ·libc_msync_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_msync(SB)
+TEXT ·libc_munlock_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_munlock(SB)
+TEXT ·libc_munlockall_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_munlockall(SB)
+TEXT ·libc_ptrace_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_ptrace(SB)
+TEXT ·libc_getattrlist_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_getattrlist(SB)
+TEXT ·libc_pipe_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_pipe(SB)
+TEXT ·libc_getxattr_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_getxattr(SB)
+TEXT ·libc_fgetxattr_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_fgetxattr(SB)
+TEXT ·libc_setxattr_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_setxattr(SB)
+TEXT ·libc_fsetxattr_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_fsetxattr(SB)
+TEXT ·libc_removexattr_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_removexattr(SB)
+TEXT ·libc_fremovexattr_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_fremovexattr(SB)
+TEXT ·libc_listxattr_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_listxattr(SB)
+TEXT ·libc_flistxattr_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_flistxattr(SB)
+TEXT ·libc_setattrlist_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_setattrlist(SB)
+TEXT ·libc_kill_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_kill(SB)
+TEXT ·libc_ioctl_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_ioctl(SB)
+TEXT ·libc_sendfile_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_sendfile(SB)
+TEXT ·libc_access_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_access(SB)
+TEXT ·libc_adjtime_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_adjtime(SB)
+TEXT ·libc_chdir_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_chdir(SB)
+TEXT ·libc_chflags_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_chflags(SB)
+TEXT ·libc_chmod_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_chmod(SB)
+TEXT ·libc_chown_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_chown(SB)
+TEXT ·libc_chroot_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_chroot(SB)
+TEXT ·libc_close_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_close(SB)
+TEXT ·libc_dup_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_dup(SB)
+TEXT ·libc_dup2_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_dup2(SB)
+TEXT ·libc_exchangedata_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_exchangedata(SB)
+TEXT ·libc_exit_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_exit(SB)
+TEXT ·libc_faccessat_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_faccessat(SB)
+TEXT ·libc_fchdir_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_fchdir(SB)
+TEXT ·libc_fchflags_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_fchflags(SB)
+TEXT ·libc_fchmod_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_fchmod(SB)
+TEXT ·libc_fchmodat_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_fchmodat(SB)
+TEXT ·libc_fchown_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_fchown(SB)
+TEXT ·libc_fchownat_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_fchownat(SB)
+TEXT ·libc_flock_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_flock(SB)
+TEXT ·libc_fpathconf_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_fpathconf(SB)
+TEXT ·libc_fsync_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_fsync(SB)
+TEXT ·libc_ftruncate_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_ftruncate(SB)
+TEXT ·libc_getdtablesize_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_getdtablesize(SB)
+TEXT ·libc_getegid_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_getegid(SB)
+TEXT ·libc_geteuid_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_geteuid(SB)
+TEXT ·libc_getgid_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_getgid(SB)
+TEXT ·libc_getpgid_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_getpgid(SB)
+TEXT ·libc_getpgrp_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_getpgrp(SB)
+TEXT ·libc_getpid_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_getpid(SB)
+TEXT ·libc_getppid_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_getppid(SB)
+TEXT ·libc_getpriority_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_getpriority(SB)
+TEXT ·libc_getrlimit_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_getrlimit(SB)
+TEXT ·libc_getrusage_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_getrusage(SB)
+TEXT ·libc_getsid_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_getsid(SB)
+TEXT ·libc_getuid_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_getuid(SB)
+TEXT ·libc_issetugid_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_issetugid(SB)
+TEXT ·libc_kqueue_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_kqueue(SB)
+TEXT ·libc_lchown_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_lchown(SB)
+TEXT ·libc_link_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_link(SB)
+TEXT ·libc_linkat_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_linkat(SB)
+TEXT ·libc_listen_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_listen(SB)
+TEXT ·libc_mkdir_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_mkdir(SB)
+TEXT ·libc_mkdirat_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_mkdirat(SB)
+TEXT ·libc_mkfifo_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_mkfifo(SB)
+TEXT ·libc_mknod_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_mknod(SB)
+TEXT ·libc_open_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_open(SB)
+TEXT ·libc_openat_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_openat(SB)
+TEXT ·libc_pathconf_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_pathconf(SB)
+TEXT ·libc_pread_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_pread(SB)
+TEXT ·libc_pwrite_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_pwrite(SB)
+TEXT ·libc_read_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_read(SB)
+TEXT ·libc_readlink_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_readlink(SB)
+TEXT ·libc_readlinkat_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_readlinkat(SB)
+TEXT ·libc_rename_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_rename(SB)
+TEXT ·libc_renameat_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_renameat(SB)
+TEXT ·libc_revoke_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_revoke(SB)
+TEXT ·libc_rmdir_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_rmdir(SB)
+TEXT ·libc_lseek_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_lseek(SB)
+TEXT ·libc_select_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_select(SB)
+TEXT ·libc_setegid_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_setegid(SB)
+TEXT ·libc_seteuid_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_seteuid(SB)
+TEXT ·libc_setgid_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_setgid(SB)
+TEXT ·libc_setlogin_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_setlogin(SB)
+TEXT ·libc_setpgid_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_setpgid(SB)
+TEXT ·libc_setpriority_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_setpriority(SB)
+TEXT ·libc_setprivexec_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_setprivexec(SB)
+TEXT ·libc_setregid_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_setregid(SB)
+TEXT ·libc_setreuid_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_setreuid(SB)
+TEXT ·libc_setrlimit_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_setrlimit(SB)
+TEXT ·libc_setsid_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_setsid(SB)
+TEXT ·libc_settimeofday_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_settimeofday(SB)
+TEXT ·libc_setuid_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_setuid(SB)
+TEXT ·libc_symlink_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_symlink(SB)
+TEXT ·libc_symlinkat_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_symlinkat(SB)
+TEXT ·libc_sync_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_sync(SB)
+TEXT ·libc_truncate_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_truncate(SB)
+TEXT ·libc_umask_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_umask(SB)
+TEXT ·libc_undelete_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_undelete(SB)
+TEXT ·libc_unlink_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_unlink(SB)
+TEXT ·libc_unlinkat_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_unlinkat(SB)
+TEXT ·libc_unmount_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_unmount(SB)
+TEXT ·libc_write_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_write(SB)
+TEXT ·libc_mmap_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_mmap(SB)
+TEXT ·libc_munmap_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_munmap(SB)
+TEXT ·libc_gettimeofday_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_gettimeofday(SB)
+TEXT ·libc_fstat_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_fstat(SB)
+TEXT ·libc_fstatat_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_fstatat(SB)
+TEXT ·libc_fstatfs_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_fstatfs(SB)
+TEXT ·libc_getfsstat_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_getfsstat(SB)
+TEXT ·libc_lstat_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_lstat(SB)
+TEXT ·libc_stat_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_stat(SB)
+TEXT ·libc_statfs_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_statfs(SB)

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

@@ -437,6 +437,16 @@ func ClockGettime(clockid int32, time *Timespec) (err error) {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func ClockNanosleep(clockid int32, flags int, request *Timespec, remain *Timespec) (err error) {
+	_, _, e1 := Syscall6(SYS_CLOCK_NANOSLEEP, uintptr(clockid), uintptr(flags), uintptr(unsafe.Pointer(request)), uintptr(unsafe.Pointer(remain)), 0, 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func Close(fd int) (err error) {
 	_, _, e1 := Syscall(SYS_CLOSE, uintptr(fd), 0, 0)
 	if e1 != 0 {
@@ -1370,6 +1380,13 @@ func Setxattr(path string, attr string, data []byte, flags int) (err error) {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func Signalfd(fd int, mask *Sigset_t, flags int) {
+	SyscallNoError(SYS_SIGNALFD4, uintptr(fd), uintptr(unsafe.Pointer(mask)), uintptr(flags))
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func Statx(dirfd int, path string, flags int, mask int, stat *Statx_t) (err error) {
 	var _p0 *byte
 	_p0, err = BytePtrFromString(path)

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

@@ -437,6 +437,16 @@ func ClockGettime(clockid int32, time *Timespec) (err error) {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func ClockNanosleep(clockid int32, flags int, request *Timespec, remain *Timespec) (err error) {
+	_, _, e1 := Syscall6(SYS_CLOCK_NANOSLEEP, uintptr(clockid), uintptr(flags), uintptr(unsafe.Pointer(request)), uintptr(unsafe.Pointer(remain)), 0, 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func Close(fd int) (err error) {
 	_, _, e1 := Syscall(SYS_CLOSE, uintptr(fd), 0, 0)
 	if e1 != 0 {
@@ -1370,6 +1380,13 @@ func Setxattr(path string, attr string, data []byte, flags int) (err error) {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func Signalfd(fd int, mask *Sigset_t, flags int) {
+	SyscallNoError(SYS_SIGNALFD4, uintptr(fd), uintptr(unsafe.Pointer(mask)), uintptr(flags))
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func Statx(dirfd int, path string, flags int, mask int, stat *Statx_t) (err error) {
 	var _p0 *byte
 	_p0, err = BytePtrFromString(path)
@@ -1806,7 +1823,7 @@ func Getuid() (uid int) {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
-func InotifyInit() (fd int, err error) {
+func inotifyInit() (fd int, err error) {
 	r0, _, e1 := RawSyscall(SYS_INOTIFY_INIT, 0, 0, 0)
 	fd = int(r0)
 	if e1 != 0 {
@@ -1862,21 +1879,6 @@ func Listen(s int, n int) (err error) {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
-func Lstat(path string, stat *Stat_t) (err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(path)
-	if err != nil {
-		return
-	}
-	_, _, e1 := Syscall(SYS_LSTAT, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(stat)), 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
 func Pause() (err error) {
 	_, _, e1 := Syscall(SYS_PAUSE, 0, 0, 0)
 	if e1 != 0 {

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

@@ -437,6 +437,16 @@ func ClockGettime(clockid int32, time *Timespec) (err error) {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func ClockNanosleep(clockid int32, flags int, request *Timespec, remain *Timespec) (err error) {
+	_, _, e1 := Syscall6(SYS_CLOCK_NANOSLEEP, uintptr(clockid), uintptr(flags), uintptr(unsafe.Pointer(request)), uintptr(unsafe.Pointer(remain)), 0, 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func Close(fd int) (err error) {
 	_, _, e1 := Syscall(SYS_CLOSE, uintptr(fd), 0, 0)
 	if e1 != 0 {
@@ -1370,6 +1380,13 @@ func Setxattr(path string, attr string, data []byte, flags int) (err error) {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func Signalfd(fd int, mask *Sigset_t, flags int) {
+	SyscallNoError(SYS_SIGNALFD4, uintptr(fd), uintptr(unsafe.Pointer(mask)), uintptr(flags))
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func Statx(dirfd int, path string, flags int, mask int, stat *Statx_t) (err error) {
 	var _p0 *byte
 	_p0, err = BytePtrFromString(path)
@@ -2282,3 +2299,13 @@ func poll(fds *PollFd, nfds int, timeout int) (n int, err error) {
 	}
 	return
 }
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func armSyncFileRange(fd int, flags int, off int64, n int64) (err error) {
+	_, _, e1 := Syscall6(SYS_ARM_SYNC_FILE_RANGE, uintptr(fd), uintptr(flags), uintptr(off), uintptr(off>>32), uintptr(n), uintptr(n>>32))
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}

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

@@ -437,6 +437,16 @@ func ClockGettime(clockid int32, time *Timespec) (err error) {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func ClockNanosleep(clockid int32, flags int, request *Timespec, remain *Timespec) (err error) {
+	_, _, e1 := Syscall6(SYS_CLOCK_NANOSLEEP, uintptr(clockid), uintptr(flags), uintptr(unsafe.Pointer(request)), uintptr(unsafe.Pointer(remain)), 0, 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func Close(fd int) (err error) {
 	_, _, e1 := Syscall(SYS_CLOSE, uintptr(fd), 0, 0)
 	if e1 != 0 {
@@ -1370,6 +1380,13 @@ func Setxattr(path string, attr string, data []byte, flags int) (err error) {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func Signalfd(fd int, mask *Sigset_t, flags int) {
+	SyscallNoError(SYS_SIGNALFD4, uintptr(fd), uintptr(unsafe.Pointer(mask)), uintptr(flags))
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func Statx(dirfd int, path string, flags int, mask int, stat *Statx_t) (err error) {
 	var _p0 *byte
 	_p0, err = BytePtrFromString(path)

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

@@ -437,6 +437,16 @@ func ClockGettime(clockid int32, time *Timespec) (err error) {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func ClockNanosleep(clockid int32, flags int, request *Timespec, remain *Timespec) (err error) {
+	_, _, e1 := Syscall6(SYS_CLOCK_NANOSLEEP, uintptr(clockid), uintptr(flags), uintptr(unsafe.Pointer(request)), uintptr(unsafe.Pointer(remain)), 0, 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func Close(fd int) (err error) {
 	_, _, e1 := Syscall(SYS_CLOSE, uintptr(fd), 0, 0)
 	if e1 != 0 {
@@ -1370,6 +1380,13 @@ func Setxattr(path string, attr string, data []byte, flags int) (err error) {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func Signalfd(fd int, mask *Sigset_t, flags int) {
+	SyscallNoError(SYS_SIGNALFD4, uintptr(fd), uintptr(unsafe.Pointer(mask)), uintptr(flags))
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func Statx(dirfd int, path string, flags int, mask int, stat *Statx_t) (err error) {
 	var _p0 *byte
 	_p0, err = BytePtrFromString(path)

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

@@ -437,6 +437,16 @@ func ClockGettime(clockid int32, time *Timespec) (err error) {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func ClockNanosleep(clockid int32, flags int, request *Timespec, remain *Timespec) (err error) {
+	_, _, e1 := Syscall6(SYS_CLOCK_NANOSLEEP, uintptr(clockid), uintptr(flags), uintptr(unsafe.Pointer(request)), uintptr(unsafe.Pointer(remain)), 0, 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func Close(fd int) (err error) {
 	_, _, e1 := Syscall(SYS_CLOSE, uintptr(fd), 0, 0)
 	if e1 != 0 {
@@ -1370,6 +1380,13 @@ func Setxattr(path string, attr string, data []byte, flags int) (err error) {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func Signalfd(fd int, mask *Sigset_t, flags int) {
+	SyscallNoError(SYS_SIGNALFD4, uintptr(fd), uintptr(unsafe.Pointer(mask)), uintptr(flags))
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func Statx(dirfd int, path string, flags int, mask int, stat *Statx_t) (err error) {
 	var _p0 *byte
 	_p0, err = BytePtrFromString(path)
@@ -1719,21 +1736,6 @@ func Fchown(fd int, uid int, gid int) (err error) {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
-func Fstatat(dirfd int, path string, stat *Stat_t, flags int) (err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(path)
-	if err != nil {
-		return
-	}
-	_, _, e1 := Syscall6(SYS_NEWFSTATAT, uintptr(dirfd), uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(stat)), 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 Fstatfs(fd int, buf *Statfs_t) (err error) {
 	_, _, e1 := Syscall(SYS_FSTATFS, uintptr(fd), uintptr(unsafe.Pointer(buf)), 0)
 	if e1 != 0 {
@@ -2293,6 +2295,21 @@ func fstat(fd int, st *stat_t) (err error) {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func fstatat(dirfd int, path string, st *stat_t, flags int) (err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(path)
+	if err != nil {
+		return
+	}
+	_, _, e1 := Syscall6(SYS_NEWFSTATAT, uintptr(dirfd), uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(st)), 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 lstat(path string, st *stat_t) (err error) {
 	var _p0 *byte
 	_p0, err = BytePtrFromString(path)

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

@@ -437,6 +437,16 @@ func ClockGettime(clockid int32, time *Timespec) (err error) {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func ClockNanosleep(clockid int32, flags int, request *Timespec, remain *Timespec) (err error) {
+	_, _, e1 := Syscall6(SYS_CLOCK_NANOSLEEP, uintptr(clockid), uintptr(flags), uintptr(unsafe.Pointer(request)), uintptr(unsafe.Pointer(remain)), 0, 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func Close(fd int) (err error) {
 	_, _, e1 := Syscall(SYS_CLOSE, uintptr(fd), 0, 0)
 	if e1 != 0 {
@@ -1370,6 +1380,13 @@ func Setxattr(path string, attr string, data []byte, flags int) (err error) {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func Signalfd(fd int, mask *Sigset_t, flags int) {
+	SyscallNoError(SYS_SIGNALFD4, uintptr(fd), uintptr(unsafe.Pointer(mask)), uintptr(flags))
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func Statx(dirfd int, path string, flags int, mask int, stat *Statx_t) (err error) {
 	var _p0 *byte
 	_p0, err = BytePtrFromString(path)
@@ -1719,21 +1736,6 @@ func Fchown(fd int, uid int, gid int) (err error) {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
-func Fstatat(dirfd int, path string, stat *Stat_t, flags int) (err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(path)
-	if err != nil {
-		return
-	}
-	_, _, e1 := Syscall6(SYS_NEWFSTATAT, uintptr(dirfd), uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(stat)), 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 Fstatfs(fd int, buf *Statfs_t) (err error) {
 	_, _, e1 := Syscall(SYS_FSTATFS, uintptr(fd), uintptr(unsafe.Pointer(buf)), 0)
 	if e1 != 0 {
@@ -2293,6 +2295,21 @@ func fstat(fd int, st *stat_t) (err error) {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func fstatat(dirfd int, path string, st *stat_t, flags int) (err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(path)
+	if err != nil {
+		return
+	}
+	_, _, e1 := Syscall6(SYS_NEWFSTATAT, uintptr(dirfd), uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(st)), 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 lstat(path string, st *stat_t) (err error) {
 	var _p0 *byte
 	_p0, err = BytePtrFromString(path)

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

@@ -437,6 +437,16 @@ func ClockGettime(clockid int32, time *Timespec) (err error) {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func ClockNanosleep(clockid int32, flags int, request *Timespec, remain *Timespec) (err error) {
+	_, _, e1 := Syscall6(SYS_CLOCK_NANOSLEEP, uintptr(clockid), uintptr(flags), uintptr(unsafe.Pointer(request)), uintptr(unsafe.Pointer(remain)), 0, 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func Close(fd int) (err error) {
 	_, _, e1 := Syscall(SYS_CLOSE, uintptr(fd), 0, 0)
 	if e1 != 0 {
@@ -1370,6 +1380,13 @@ func Setxattr(path string, attr string, data []byte, flags int) (err error) {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func Signalfd(fd int, mask *Sigset_t, flags int) {
+	SyscallNoError(SYS_SIGNALFD4, uintptr(fd), uintptr(unsafe.Pointer(mask)), uintptr(flags))
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func Statx(dirfd int, path string, flags int, mask int, stat *Statx_t) (err error) {
 	var _p0 *byte
 	_p0, err = BytePtrFromString(path)

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

@@ -437,6 +437,16 @@ func ClockGettime(clockid int32, time *Timespec) (err error) {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func ClockNanosleep(clockid int32, flags int, request *Timespec, remain *Timespec) (err error) {
+	_, _, e1 := Syscall6(SYS_CLOCK_NANOSLEEP, uintptr(clockid), uintptr(flags), uintptr(unsafe.Pointer(request)), uintptr(unsafe.Pointer(remain)), 0, 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func Close(fd int) (err error) {
 	_, _, e1 := Syscall(SYS_CLOSE, uintptr(fd), 0, 0)
 	if e1 != 0 {
@@ -1370,6 +1380,13 @@ func Setxattr(path string, attr string, data []byte, flags int) (err error) {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func Signalfd(fd int, mask *Sigset_t, flags int) {
+	SyscallNoError(SYS_SIGNALFD4, uintptr(fd), uintptr(unsafe.Pointer(mask)), uintptr(flags))
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func Statx(dirfd int, path string, flags int, mask int, stat *Statx_t) (err error) {
 	var _p0 *byte
 	_p0, err = BytePtrFromString(path)

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

@@ -437,6 +437,16 @@ func ClockGettime(clockid int32, time *Timespec) (err error) {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func ClockNanosleep(clockid int32, flags int, request *Timespec, remain *Timespec) (err error) {
+	_, _, e1 := Syscall6(SYS_CLOCK_NANOSLEEP, uintptr(clockid), uintptr(flags), uintptr(unsafe.Pointer(request)), uintptr(unsafe.Pointer(remain)), 0, 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func Close(fd int) (err error) {
 	_, _, e1 := Syscall(SYS_CLOSE, uintptr(fd), 0, 0)
 	if e1 != 0 {
@@ -1370,6 +1380,13 @@ func Setxattr(path string, attr string, data []byte, flags int) (err error) {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func Signalfd(fd int, mask *Sigset_t, flags int) {
+	SyscallNoError(SYS_SIGNALFD4, uintptr(fd), uintptr(unsafe.Pointer(mask)), uintptr(flags))
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func Statx(dirfd int, path string, flags int, mask int, stat *Statx_t) (err error) {
 	var _p0 *byte
 	_p0, err = BytePtrFromString(path)

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

@@ -437,6 +437,16 @@ func ClockGettime(clockid int32, time *Timespec) (err error) {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func ClockNanosleep(clockid int32, flags int, request *Timespec, remain *Timespec) (err error) {
+	_, _, e1 := Syscall6(SYS_CLOCK_NANOSLEEP, uintptr(clockid), uintptr(flags), uintptr(unsafe.Pointer(request)), uintptr(unsafe.Pointer(remain)), 0, 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func Close(fd int) (err error) {
 	_, _, e1 := Syscall(SYS_CLOSE, uintptr(fd), 0, 0)
 	if e1 != 0 {
@@ -1370,6 +1380,13 @@ func Setxattr(path string, attr string, data []byte, flags int) (err error) {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func Signalfd(fd int, mask *Sigset_t, flags int) {
+	SyscallNoError(SYS_SIGNALFD4, uintptr(fd), uintptr(unsafe.Pointer(mask)), uintptr(flags))
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func Statx(dirfd int, path string, flags int, mask int, stat *Statx_t) (err error) {
 	var _p0 *byte
 	_p0, err = BytePtrFromString(path)