new version update

starlog.go

@@ -1,12 +1,15 @@
 package starlog
 
 import (
+	"errors"
 	"fmt"
 	"io"
+	"math/rand"
 	"os"
 	"path/filepath"
 	"runtime"
 	"strconv"
+	"strings"
 	"sync"
 	"time"
 
@@ -48,40 +51,96 @@ var (
 )
 
 type StarLogger struct {
-	mu        sync.Mutex
-	lock      sync.Mutex
+	mu         *sync.Mutex
+	lock       *sync.Mutex
+	Flag       string
 	out        io.Writer
 	ShowLine   bool
 	ShowLevel  bool
+	ShowFunc   bool
+	ShowThread bool
 	DoWrite    bool
 	DoShow     bool
 	switching  bool
+	isStd      bool
 	//HandleFunc
 	waiting      chan int
 	outshow      io.Writer
 	LogLevel     int
 	HandleFunc   func([]Attr, string)
 	StdFuncColor bool
+	logbuf       string
+	BufSize      int
 }
 
 var Std = New(nil)
+var StdFile *os.File
 
 func init() {
 	Std.DoShow = true
+	Std.Flag = "MAN"
+	Std.isStd = true
+}
+func Close() error {
+	if StdFile == nil {
+		return errors.New("File not Open")
+	}
+	if err := Std.Flush(); err != nil {
+		return err
+	}
+	return StdFile.Close()
 }
 
 func New(out io.Writer) *StarLogger {
+	rand.Seed(time.Now().UnixNano())
 	logger := new(StarLogger)
 	logger.DoShow = false
+	logger.mu = new(sync.Mutex)
+	logger.lock = new(sync.Mutex)
 	logger.ShowLevel = true
 	logger.ShowLine = true
 	logger.DoWrite = true
+	logger.ShowThread = true
+	logger.ShowFunc = false
 	logger.out = out
 	logger.outshow = colorable.NewColorableStdout()
 	logger.StdFuncColor = true
+	logger.BufSize = 0
+	logger.Flag = "MAN"
 	return logger
 }
 
+func (logger *StarLogger) Flush() error {
+	logger.mu.Lock()
+	defer logger.mu.Unlock()
+	logger.write(logger.logbuf)
+	logger.logbuf = ""
+	return nil
+}
+
+func NewFlag() *StarLogger {
+	return Std.NewFlag()
+}
+
+func (logger *StarLogger) NewFlag() *StarLogger {
+	logger2 := new(StarLogger)
+	logger2.out = logger.out
+	logger2.ShowThread = logger.ShowThread
+	logger2.ShowFunc = logger.ShowFunc
+	logger2.DoShow = logger.DoShow
+	logger2.ShowLevel = logger.ShowLevel
+	logger2.ShowLine = logger.ShowLine
+	logger2.DoWrite = logger.DoWrite
+	logger2.outshow = logger.outshow
+	logger2.mu = logger.mu
+	logger2.lock = logger.lock
+	logger2.Flag = string([]byte{uint8(rand.Intn(26) + 65), uint8(rand.Intn(26) + 65), uint8(rand.Intn(26) + 65)})
+	if logger2.Flag == "MAN" {
+		logger2.Flag = "RYZ"
+	}
+	return logger2
+}
+
 func (logger *StarLogger) write(logstr string) {
 	if (!logger.DoWrite) || (logger.out == nil) {
 		return
@@ -106,23 +165,39 @@ func (logger *StarLogger) OutPut(logstr string) {
 
 func (logger *StarLogger) output(level int, logstr string) {
 	var logs string
+	var skip int = 2
 	logger.mu.Lock()
 	defer logger.mu.Unlock()
 	if level < logger.LogLevel {
 		return
 	}
-	_, fname, line, _ := runtime.Caller(3)
+	if logger.isStd {
+		skip++
+	}
+	logger.isStd = false
+	pc, fname, line, ok := runtime.Caller(skip)
+	if !ok {
+		return
+	}
+	funcname := runtime.FuncForPC(pc).Name()
+	funcname = filepath.Ext(funcname)
+	funcname = strings.TrimPrefix(funcname, ".")
 	fname = filepath.Base(fname)
 	date := time.Now().Format("2006-01-02 15:04:05.000 Mon")
-	if logger.ShowLine && logger.ShowLevel {
-		logs = fmt.Sprintf("%s %s %s %s", date, fname+":"+strconv.Itoa(line), `[`+levels[level]+`]`, logstr)
-	} else if logger.ShowLine && !logger.ShowLevel {
-		logs = fmt.Sprintf("%s %s %s", date, fname+":"+strconv.Itoa(line), logstr)
-	} else if !logger.ShowLine && logger.ShowLevel {
-		logs = fmt.Sprintf("%s %s %s", date, `[`+levels[level]+`]`, logstr)
-	} else {
-		logs = fmt.Sprintf("%s %s", date, logstr)
+	logs = date
+	if logger.ShowLine {
+		logs += " " + fname + ":" + strconv.Itoa(line)
+	}
+	if logger.ShowFunc {
+		logs += " <" + funcname + ">"
 	}
+	if logger.ShowThread {
+		logs += " |" + logger.Flag + "|"
+	}
+	if logger.ShowLevel {
+		logs += " " + `[` + levels[level] + `]`
+	}
+	logs += " " + logstr
 	if logger.DoShow {
 		logcolor := NewColor(Colors[level]...)
 		logcolor.Fprint(logger.outshow, logs)
@@ -131,277 +206,260 @@ func (logger *StarLogger) output(level int, logstr string) {
 		go logger.HandleFunc(Colors[level], logs)
 	}
 	if logger.DoWrite {
+		if logger.BufSize == 0 {
 			logger.write(logs)
+		} else {
+			logger.logbuf += logs
+			if len(logger.logbuf) >= logger.BufSize {
+				logger.write(logs)
+			}
+		}
 	}
 }
 
 func (logger *StarLogger) Debug(str ...interface{}) {
-	logger.lock.Lock()
-	defer logger.lock.Unlock()
 	strs := fmt.Sprint(str...)
 	logger.output(LvDebug, strs)
 }
 
 func Debug(str ...interface{}) {
+	Std.isStd = true
 	Std.Debug(str...)
 }
 
 func (logger *StarLogger) Debugf(format string, str ...interface{}) {
-	logger.lock.Lock()
-	defer logger.lock.Unlock()
 	strs := fmt.Sprintf(format, str...)
 	logger.output(LvDebug, strs)
 }
 
 func Debugf(format string, str ...interface{}) {
+	Std.isStd = true
 	Std.Debugf(format, str...)
 }
 
 func (logger *StarLogger) Debugln(str ...interface{}) {
-	logger.lock.Lock()
-	defer logger.lock.Unlock()
 	strs := fmt.Sprintln(str...)
 	logger.output(LvDebug, strs)
 }
 
 func Debugln(str ...interface{}) {
+	Std.isStd = true
 	Std.Debugln(str...)
 }
 
 func (logger *StarLogger) Info(str ...interface{}) {
-	logger.lock.Lock()
-	defer logger.lock.Unlock()
 	strs := fmt.Sprint(str...)
 	logger.output(LvInfo, strs)
 }
 
 func Info(str ...interface{}) {
+	Std.isStd = true
 	Std.Info(str...)
 }
 
 func (logger *StarLogger) Infof(format string, str ...interface{}) {
-	logger.lock.Lock()
-	defer logger.lock.Unlock()
 	strs := fmt.Sprintf(format, str...)
 	logger.output(LvInfo, strs)
 }
 
 func Infof(format string, str ...interface{}) {
+	Std.isStd = true
 	Std.Infof(format, str...)
 }
 
 func (logger *StarLogger) Infoln(str ...interface{}) {
-	logger.lock.Lock()
-	defer logger.lock.Unlock()
 	strs := fmt.Sprintln(str...)
 	logger.output(LvInfo, strs)
 }
 
 func Infoln(str ...interface{}) {
+	Std.isStd = true
 	Std.Infoln(str...)
 }
 
 func (logger *StarLogger) Notice(str ...interface{}) {
-	logger.lock.Lock()
-	defer logger.lock.Unlock()
 	strs := fmt.Sprint(str...)
 	logger.output(LvNotice, strs)
 }
 
 func Notice(str ...interface{}) {
+	Std.isStd = true
 	Std.Notice(str...)
 }
 
 func (logger *StarLogger) Noticef(format string, str ...interface{}) {
-	logger.lock.Lock()
-	defer logger.lock.Unlock()
 	strs := fmt.Sprintf(format, str...)
 	logger.output(LvNotice, strs)
 }
 
 func Noticef(format string, str ...interface{}) {
+	Std.isStd = true
 	Std.Noticef(format, str...)
 }
 
 func (logger *StarLogger) Noticeln(str ...interface{}) {
-	logger.lock.Lock()
-	defer logger.lock.Unlock()
 	strs := fmt.Sprintln(str...)
 	logger.output(LvNotice, strs)
 }
 
 func Noticeln(str ...interface{}) {
+	Std.isStd = true
 	Std.Noticeln(str...)
 }
 
 func (logger *StarLogger) Warning(str ...interface{}) {
-	logger.lock.Lock()
-	defer logger.lock.Unlock()
 	strs := fmt.Sprint(str...)
 	logger.output(LvWarning, strs)
 }
 
 func Warning(str ...interface{}) {
+	Std.isStd = true
 	Std.Warning(str...)
 }
 
 func (logger *StarLogger) Warningf(format string, str ...interface{}) {
-	logger.lock.Lock()
-	defer logger.lock.Unlock()
 	strs := fmt.Sprintf(format, str...)
 	logger.output(LvWarning, strs)
 }
 
 func Warningf(format string, str ...interface{}) {
+	Std.isStd = true
 	Std.Warningf(format, str...)
 }
 
 func (logger *StarLogger) Warningln(str ...interface{}) {
-	logger.lock.Lock()
-	defer logger.lock.Unlock()
 	strs := fmt.Sprintln(str...)
 	logger.output(LvWarning, strs)
 }
 
 func Warningln(str ...interface{}) {
+	Std.isStd = true
 	Std.Warningln(str...)
 }
 
 func (logger *StarLogger) Error(str ...interface{}) {
-	logger.lock.Lock()
-	defer logger.lock.Unlock()
 	strs := fmt.Sprint(str...)
 	logger.output(LvError, strs)
 }
 
 func Error(str ...interface{}) {
+	Std.isStd = true
 	Std.Error(str...)
 }
 
 func (logger *StarLogger) Errorf(format string, str ...interface{}) {
-	logger.lock.Lock()
-	defer logger.lock.Unlock()
 	strs := fmt.Sprintf(format, str...)
 	logger.output(LvError, strs)
 }
 
 func Errorf(format string, str ...interface{}) {
+	Std.isStd = true
 	Std.Errorf(format, str...)
 }
 
 func (logger *StarLogger) Errorln(str ...interface{}) {
-	logger.lock.Lock()
-	defer logger.lock.Unlock()
 	strs := fmt.Sprintln(str...)
 	logger.output(LvError, strs)
 }
 
 func Errorln(str ...interface{}) {
+	Std.isStd = true
 	Std.Errorln(str...)
 }
 
 func (logger *StarLogger) Critical(str ...interface{}) {
-	logger.lock.Lock()
-	defer logger.lock.Unlock()
 	strs := fmt.Sprint(str...)
 	logger.output(LvCritical, strs)
 }
 
 func Critical(str ...interface{}) {
+	Std.isStd = true
 	Std.Critical(str...)
 }
 
 func (logger *StarLogger) Criticalf(format string, str ...interface{}) {
-	logger.lock.Lock()
-	defer logger.lock.Unlock()
 	strs := fmt.Sprintf(format, str...)
 	logger.output(LvCritical, strs)
 }
 
 func Criticalf(format string, str ...interface{}) {
+	Std.isStd = true
 	Std.Criticalf(format, str...)
 }
 
 func (logger *StarLogger) Criticalln(str ...interface{}) {
-	logger.lock.Lock()
-	defer logger.lock.Unlock()
 	strs := fmt.Sprintln(str...)
 	logger.output(LvCritical, strs)
 }
 
 func Criticalln(str ...interface{}) {
+	Std.isStd = true
 	Std.Criticalln(str...)
 }
 
 func (logger *StarLogger) Fatal(str ...interface{}) {
-	logger.lock.Lock()
-	defer logger.lock.Unlock()
 	strs := fmt.Sprint(str...)
 	logger.output(LvFatal, strs)
 	os.Exit(9)
 }
 
 func Fatal(str ...interface{}) {
+	Std.isStd = true
 	Std.Fatal(str...)
 }
 
 func (logger *StarLogger) Fatalf(format string, str ...interface{}) {
-	logger.lock.Lock()
-	defer logger.lock.Unlock()
 	strs := fmt.Sprintf(format, str...)
 	logger.output(LvFatal, strs)
 	os.Exit(9)
 }
 
 func Fatalf(format string, str ...interface{}) {
+	Std.isStd = true
 	Std.Fatalf(format, str...)
 }
 
 func (logger *StarLogger) Fatalln(str ...interface{}) {
-	logger.lock.Lock()
-	defer logger.lock.Unlock()
 	strs := fmt.Sprintln(str...)
 	logger.output(LvFatal, strs)
 	os.Exit(9)
 }
 
 func Fatalln(str ...interface{}) {
+	Std.isStd = true
 	Std.Fatalln(str...)
 }
 
 func (logger *StarLogger) Panic(str ...interface{}) {
-	logger.lock.Lock()
-	defer logger.lock.Unlock()
 	strs := fmt.Sprint(str...)
 	logger.output(LvPanic, strs)
 	panic(str)
 }
 
 func Panic(str ...interface{}) {
+	Std.isStd = true
 	Std.Panic(str...)
 }
 
 func (logger *StarLogger) Panicf(format string, str ...interface{}) {
-	logger.lock.Lock()
-	defer logger.lock.Unlock()
 	strs := fmt.Sprintf(format, str...)
 	logger.output(LvPanic, strs)
 	panic(fmt.Sprintf(format, str...))
 }
 
 func Panicf(format string, str ...interface{}) {
+	Std.isStd = true
 	Std.Panicf(format, str...)
 }
 
 func (logger *StarLogger) Panicln(str ...interface{}) {
-	logger.lock.Lock()
-	defer logger.lock.Unlock()
 	strs := fmt.Sprintln(str...)
 	logger.output(LvPanic, strs)
 	panic(fmt.Sprintln(str...))
 }
 
 func Panicln(str ...interface{}) {
+	Std.isStd = true
 	Std.Panicln(str...)
 }
 
@@ -413,6 +471,7 @@ func (logger *StarLogger) Print(str ...interface{}) {
 }
 
 func Print(str ...interface{}) {
+	Std.isStd = true
 	Std.Print(str...)
 }
 
@@ -424,6 +483,7 @@ func (logger *StarLogger) Printf(format string, str ...interface{}) {
 }
 
 func Printf(format string, str ...interface{}) {
+	Std.isStd = true
 	Std.Printf(format, str...)
 }
 
@@ -435,6 +495,7 @@ func (logger *StarLogger) Println(str ...interface{}) {
 }
 
 func Println(str ...interface{}) {
+	Std.isStd = true
 	Std.Println(str...)
 }
 
@@ -478,7 +539,8 @@ func (logger *StarLogger) SwitchOut(out io.Writer) {
 
 func SetLogFile(path string) error {
 	var err error
-	Std.out, err = os.Create(path)
+	StdFile, err = os.Create(path)
+	Std.out = StdFile
 	Std.switching = false
 	return err
 }

vendor/github.com/mattn/go-colorable/_example/escape-seq/main.go

@@ -1,16 +0,0 @@
-package main
-
-import (
-	"bufio"
-	"fmt"
-
-	"github.com/mattn/go-colorable"
-)
-
-func main() {
-	stdOut := bufio.NewWriter(colorable.NewColorableStdout())
-
-	fmt.Fprint(stdOut, "\x1B[3GMove to 3rd Column\n")
-	fmt.Fprint(stdOut, "\x1B[1;2HMove to 2nd Column on 1st Line\n")
-	stdOut.Flush()
-}

vendor/github.com/mattn/go-colorable/_example/logrus/main.go

@@ -1,16 +0,0 @@
-package main
-
-import (
-	"github.com/mattn/go-colorable"
-	"github.com/sirupsen/logrus"
-)
-
-func main() {
-	logrus.SetFormatter(&logrus.TextFormatter{ForceColors: true})
-	logrus.SetOutput(colorable.NewColorableStdout())
-
-	logrus.Info("succeeded")
-	logrus.Warn("not correct")
-	logrus.Error("something error")
-	logrus.Fatal("panic")
-}

vendor/github.com/mattn/go-colorable/_example/title/main.go

@@ -1,14 +0,0 @@
-package main
-
-import (
-	"fmt"
-	"os"
-	. "github.com/mattn/go-colorable"
-)
-
-func main() {
-	out := NewColorableStdout()
-	fmt.Fprint(out, "\x1B]0;TITLE Changed\007(See title and hit any key)")
-	var c [1]byte
-	os.Stdin.Read(c[:])
-}

vendor/github.com/mattn/go-colorable/colorable_appengine.go

@@ -9,7 +9,7 @@ import (
 	_ "github.com/mattn/go-isatty"
 )
 
-// NewColorable return new instance of Writer which handle escape sequence.
+// NewColorable returns new instance of Writer which handles escape sequence.
 func NewColorable(file *os.File) io.Writer {
 	if file == nil {
 		panic("nil passed instead of *os.File to NewColorable()")
@@ -18,12 +18,20 @@ func NewColorable(file *os.File) io.Writer {
 	return file
 }
 
-// NewColorableStdout return new instance of Writer which handle escape sequence for stdout.
+// NewColorableStdout returns new instance of Writer which handles escape sequence for stdout.
 func NewColorableStdout() io.Writer {
 	return os.Stdout
 }
 
-// NewColorableStderr return new instance of Writer which handle escape sequence for stderr.
+// NewColorableStderr returns new instance of Writer which handles escape sequence for stderr.
 func NewColorableStderr() io.Writer {
 	return os.Stderr
 }
+
+// EnableColorsStdout enable colors if possible.
+func EnableColorsStdout(enabled *bool) func() {
+	if enabled != nil {
+		*enabled = true
+	}
+	return func() {}
+}

vendor/github.com/mattn/go-colorable/colorable_others.go

@@ -10,7 +10,7 @@ import (
 	_ "github.com/mattn/go-isatty"
 )
 
-// NewColorable return new instance of Writer which handle escape sequence.
+// NewColorable returns new instance of Writer which handles escape sequence.
 func NewColorable(file *os.File) io.Writer {
 	if file == nil {
 		panic("nil passed instead of *os.File to NewColorable()")
@@ -19,12 +19,20 @@ func NewColorable(file *os.File) io.Writer {
 	return file
 }
 
-// NewColorableStdout return new instance of Writer which handle escape sequence for stdout.
+// NewColorableStdout returns new instance of Writer which handles escape sequence for stdout.
 func NewColorableStdout() io.Writer {
 	return os.Stdout
 }
 
-// NewColorableStderr return new instance of Writer which handle escape sequence for stderr.
+// NewColorableStderr returns new instance of Writer which handles escape sequence for stderr.
 func NewColorableStderr() io.Writer {
 	return os.Stderr
 }
+
+// EnableColorsStdout enable colors if possible.
+func EnableColorsStdout(enabled *bool) func() {
+	if enabled != nil {
+		*enabled = true
+	}
+	return func() {}
+}

vendor/github.com/mattn/go-colorable/colorable_test.go

@@ -1,83 +0,0 @@
-package colorable
-
-import (
-	"bytes"
-	"os"
-	"runtime"
-	"testing"
-)
-
-// checkEncoding checks that colorable is output encoding agnostic as long as
-// the encoding is a superset of ASCII. This implies that one byte not part of
-// an ANSI sequence must give exactly one byte in output
-func checkEncoding(t *testing.T, data []byte) {
-	// Send non-UTF8 data to colorable
-	b := bytes.NewBuffer(make([]byte, 0, 10))
-	if b.Len() != 0 {
-		t.FailNow()
-	}
-	// TODO move colorable wrapping outside the test
-	c := NewNonColorable(b)
-	c.Write(data)
-	if b.Len() != len(data) {
-		t.Fatalf("%d bytes expected, got %d", len(data), b.Len())
-	}
-}
-
-func TestEncoding(t *testing.T) {
-	checkEncoding(t, []byte{})      // Empty
-	checkEncoding(t, []byte(`abc`)) // "abc"
-	checkEncoding(t, []byte(`é`))   // "é" in UTF-8
-	checkEncoding(t, []byte{233})   // 'é' in Latin-1
-}
-
-func TestNonColorable(t *testing.T) {
-	var buf bytes.Buffer
-	want := "hello"
-	NewNonColorable(&buf).Write([]byte("\x1b[0m" + want + "\x1b[2J"))
-	got := buf.String()
-	if got != "hello" {
-		t.Fatalf("want %q but %q", want, got)
-	}
-
-	buf.Reset()
-	NewNonColorable(&buf).Write([]byte("\x1b["))
-	got = buf.String()
-	if got != "" {
-		t.Fatalf("want %q but %q", "", got)
-	}
-}
-
-func TestNonColorableNil(t *testing.T) {
-	paniced := false
-	func() {
-		defer func() {
-			recover()
-			paniced = true
-		}()
-		NewNonColorable(nil)
-		NewColorable(nil)
-	}()
-
-	if !paniced {
-		t.Fatalf("should panic")
-	}
-}
-
-func TestColorable(t *testing.T) {
-	if runtime.GOOS == "windows" {
-		t.Skipf("skip this test on windows")
-	}
-	_, ok := NewColorableStdout().(*os.File)
-	if !ok {
-		t.Fatalf("should os.Stdout on UNIX")
-	}
-	_, ok = NewColorableStderr().(*os.File)
-	if !ok {
-		t.Fatalf("should os.Stdout on UNIX")
-	}
-	_, ok = NewColorable(os.Stdout).(*os.File)
-	if !ok {
-		t.Fatalf("should os.Stdout on UNIX")
-	}
-}

vendor/github.com/mattn/go-colorable/colorable_windows.go

@@ -27,6 +27,18 @@ const (
 	backgroundRed       = 0x40
 	backgroundIntensity = 0x80
 	backgroundMask      = (backgroundRed | backgroundBlue | backgroundGreen | backgroundIntensity)
+	commonLvbUnderscore = 0x8000
+
+	cENABLE_VIRTUAL_TERMINAL_PROCESSING = 0x4
+)
+
+const (
+	genericRead  = 0x80000000
+	genericWrite = 0x40000000
+)
+
+const (
+	consoleTextmodeBuffer = 0x1
 )
 
 type wchar uint16
@@ -69,23 +81,32 @@ var (
 	procGetConsoleCursorInfo       = kernel32.NewProc("GetConsoleCursorInfo")
 	procSetConsoleCursorInfo       = kernel32.NewProc("SetConsoleCursorInfo")
 	procSetConsoleTitle            = kernel32.NewProc("SetConsoleTitleW")
+	procGetConsoleMode             = kernel32.NewProc("GetConsoleMode")
+	procSetConsoleMode             = kernel32.NewProc("SetConsoleMode")
+	procCreateConsoleScreenBuffer  = kernel32.NewProc("CreateConsoleScreenBuffer")
 )
 
-// Writer provide colorable Writer to the console
+// Writer provides colorable Writer to the console
 type Writer struct {
 	out       io.Writer
 	handle    syscall.Handle
+	althandle syscall.Handle
 	oldattr   word
 	oldpos    coord
+	rest      bytes.Buffer
 }
 
-// NewColorable return new instance of Writer which handle escape sequence from File.
+// NewColorable returns new instance of Writer which handles escape sequence from File.
 func NewColorable(file *os.File) io.Writer {
 	if file == nil {
 		panic("nil passed instead of *os.File to NewColorable()")
 	}
 
 	if isatty.IsTerminal(file.Fd()) {
+		var mode uint32
+		if r, _, _ := procGetConsoleMode.Call(file.Fd(), uintptr(unsafe.Pointer(&mode))); r != 0 && mode&cENABLE_VIRTUAL_TERMINAL_PROCESSING != 0 {
+			return file
+		}
 		var csbi consoleScreenBufferInfo
 		handle := syscall.Handle(file.Fd())
 		procGetConsoleScreenBufferInfo.Call(uintptr(handle), uintptr(unsafe.Pointer(&csbi)))
@@ -94,12 +115,12 @@ func NewColorable(file *os.File) io.Writer {
 	return file
 }
 
-// NewColorableStdout return new instance of Writer which handle escape sequence for stdout.
+// NewColorableStdout returns new instance of Writer which handles escape sequence for stdout.
 func NewColorableStdout() io.Writer {
 	return NewColorable(os.Stdout)
 }
 
-// NewColorableStderr return new instance of Writer which handle escape sequence for stderr.
+// NewColorableStderr returns new instance of Writer which handles escape sequence for stderr.
 func NewColorableStderr() io.Writer {
 	return NewColorable(os.Stderr)
 }
@@ -402,12 +423,31 @@ func doTitleSequence(er *bytes.Reader) error {
 	return nil
 }
 
-// Write write data on console
+// returns Atoi(s) unless s == "" in which case it returns def
+func atoiWithDefault(s string, def int) (int, error) {
+	if s == "" {
+		return def, nil
+	}
+	return strconv.Atoi(s)
+}
+
+// Write writes data on console
 func (w *Writer) Write(data []byte) (n int, err error) {
 	var csbi consoleScreenBufferInfo
 	procGetConsoleScreenBufferInfo.Call(uintptr(w.handle), uintptr(unsafe.Pointer(&csbi)))
 
-	er := bytes.NewReader(data)
+	handle := w.handle
+
+	var er *bytes.Reader
+	if w.rest.Len() > 0 {
+		var rest bytes.Buffer
+		w.rest.WriteTo(&rest)
+		w.rest.Reset()
+		rest.Write(data)
+		er = bytes.NewReader(rest.Bytes())
+	} else {
+		er = bytes.NewReader(data)
+	}
 	var bw [1]byte
 loop:
 	for {
@@ -425,91 +465,123 @@ loop:
 			break loop
 		}
 
-		if c2 == ']' {
-			if err := doTitleSequence(er); err != nil {
+		switch c2 {
+		case '>':
+			continue
+		case ']':
+			w.rest.WriteByte(c1)
+			w.rest.WriteByte(c2)
+			er.WriteTo(&w.rest)
+			if bytes.IndexByte(w.rest.Bytes(), 0x07) == -1 {
 				break loop
 			}
-			continue
+			er = bytes.NewReader(w.rest.Bytes()[2:])
+			err := doTitleSequence(er)
+			if err != nil {
+				break loop
 			}
-		if c2 != 0x5b {
+			w.rest.Reset()
+			continue
+		// https://github.com/mattn/go-colorable/issues/27
+		case '7':
+			procGetConsoleScreenBufferInfo.Call(uintptr(handle), uintptr(unsafe.Pointer(&csbi)))
+			w.oldpos = csbi.cursorPosition
+			continue
+		case '8':
+			procSetConsoleCursorPosition.Call(uintptr(handle), *(*uintptr)(unsafe.Pointer(&w.oldpos)))
+			continue
+		case 0x5b:
+			// execute part after switch
+		default:
 			continue
 		}
 
+		w.rest.WriteByte(c1)
+		w.rest.WriteByte(c2)
+		er.WriteTo(&w.rest)
+
 		var buf bytes.Buffer
 		var m byte
-		for {
-			c, err := er.ReadByte()
-			if err != nil {
-				break loop
-			}
+		for i, c := range w.rest.Bytes()[2:] {
 			if ('a' <= c && c <= 'z') || ('A' <= c && c <= 'Z') || c == '@' {
 				m = c
+				er = bytes.NewReader(w.rest.Bytes()[2+i+1:])
+				w.rest.Reset()
 				break
 			}
 			buf.Write([]byte(string(c)))
 		}
+		if m == 0 {
+			break loop
+		}
 
 		switch m {
 		case 'A':
-			n, err = strconv.Atoi(buf.String())
+			n, err = atoiWithDefault(buf.String(), 1)
 			if err != nil {
 				continue
 			}
-			procGetConsoleScreenBufferInfo.Call(uintptr(w.handle), uintptr(unsafe.Pointer(&csbi)))
+			procGetConsoleScreenBufferInfo.Call(uintptr(handle), uintptr(unsafe.Pointer(&csbi)))
 			csbi.cursorPosition.y -= short(n)
-			procSetConsoleCursorPosition.Call(uintptr(w.handle), *(*uintptr)(unsafe.Pointer(&csbi.cursorPosition)))
+			procSetConsoleCursorPosition.Call(uintptr(handle), *(*uintptr)(unsafe.Pointer(&csbi.cursorPosition)))
 		case 'B':
-			n, err = strconv.Atoi(buf.String())
+			n, err = atoiWithDefault(buf.String(), 1)
 			if err != nil {
 				continue
 			}
-			procGetConsoleScreenBufferInfo.Call(uintptr(w.handle), uintptr(unsafe.Pointer(&csbi)))
+			procGetConsoleScreenBufferInfo.Call(uintptr(handle), uintptr(unsafe.Pointer(&csbi)))
 			csbi.cursorPosition.y += short(n)
-			procSetConsoleCursorPosition.Call(uintptr(w.handle), *(*uintptr)(unsafe.Pointer(&csbi.cursorPosition)))
+			procSetConsoleCursorPosition.Call(uintptr(handle), *(*uintptr)(unsafe.Pointer(&csbi.cursorPosition)))
 		case 'C':
-			n, err = strconv.Atoi(buf.String())
+			n, err = atoiWithDefault(buf.String(), 1)
 			if err != nil {
 				continue
 			}
-			procGetConsoleScreenBufferInfo.Call(uintptr(w.handle), uintptr(unsafe.Pointer(&csbi)))
+			procGetConsoleScreenBufferInfo.Call(uintptr(handle), uintptr(unsafe.Pointer(&csbi)))
 			csbi.cursorPosition.x += short(n)
-			procSetConsoleCursorPosition.Call(uintptr(w.handle), *(*uintptr)(unsafe.Pointer(&csbi.cursorPosition)))
+			procSetConsoleCursorPosition.Call(uintptr(handle), *(*uintptr)(unsafe.Pointer(&csbi.cursorPosition)))
 		case 'D':
-			n, err = strconv.Atoi(buf.String())
+			n, err = atoiWithDefault(buf.String(), 1)
 			if err != nil {
 				continue
 			}
-			procGetConsoleScreenBufferInfo.Call(uintptr(w.handle), uintptr(unsafe.Pointer(&csbi)))
+			procGetConsoleScreenBufferInfo.Call(uintptr(handle), uintptr(unsafe.Pointer(&csbi)))
 			csbi.cursorPosition.x -= short(n)
-			procSetConsoleCursorPosition.Call(uintptr(w.handle), *(*uintptr)(unsafe.Pointer(&csbi.cursorPosition)))
+			if csbi.cursorPosition.x < 0 {
+				csbi.cursorPosition.x = 0
+			}
+			procSetConsoleCursorPosition.Call(uintptr(handle), *(*uintptr)(unsafe.Pointer(&csbi.cursorPosition)))
 		case 'E':
 			n, err = strconv.Atoi(buf.String())
 			if err != nil {
 				continue
 			}
-			procGetConsoleScreenBufferInfo.Call(uintptr(w.handle), uintptr(unsafe.Pointer(&csbi)))
+			procGetConsoleScreenBufferInfo.Call(uintptr(handle), uintptr(unsafe.Pointer(&csbi)))
 			csbi.cursorPosition.x = 0
 			csbi.cursorPosition.y += short(n)
-			procSetConsoleCursorPosition.Call(uintptr(w.handle), *(*uintptr)(unsafe.Pointer(&csbi.cursorPosition)))
+			procSetConsoleCursorPosition.Call(uintptr(handle), *(*uintptr)(unsafe.Pointer(&csbi.cursorPosition)))
 		case 'F':
 			n, err = strconv.Atoi(buf.String())
 			if err != nil {
 				continue
 			}
-			procGetConsoleScreenBufferInfo.Call(uintptr(w.handle), uintptr(unsafe.Pointer(&csbi)))
+			procGetConsoleScreenBufferInfo.Call(uintptr(handle), uintptr(unsafe.Pointer(&csbi)))
 			csbi.cursorPosition.x = 0
 			csbi.cursorPosition.y -= short(n)
-			procSetConsoleCursorPosition.Call(uintptr(w.handle), *(*uintptr)(unsafe.Pointer(&csbi.cursorPosition)))
+			procSetConsoleCursorPosition.Call(uintptr(handle), *(*uintptr)(unsafe.Pointer(&csbi.cursorPosition)))
 		case 'G':
 			n, err = strconv.Atoi(buf.String())
 			if err != nil {
 				continue
 			}
-			procGetConsoleScreenBufferInfo.Call(uintptr(w.handle), uintptr(unsafe.Pointer(&csbi)))
+			if n < 1 {
+				n = 1
+			}
+			procGetConsoleScreenBufferInfo.Call(uintptr(handle), uintptr(unsafe.Pointer(&csbi)))
 			csbi.cursorPosition.x = short(n - 1)
-			procSetConsoleCursorPosition.Call(uintptr(w.handle), *(*uintptr)(unsafe.Pointer(&csbi.cursorPosition)))
+			procSetConsoleCursorPosition.Call(uintptr(handle), *(*uintptr)(unsafe.Pointer(&csbi.cursorPosition)))
 		case 'H', 'f':
-			procGetConsoleScreenBufferInfo.Call(uintptr(w.handle), uintptr(unsafe.Pointer(&csbi)))
+			procGetConsoleScreenBufferInfo.Call(uintptr(handle), uintptr(unsafe.Pointer(&csbi)))
 			if buf.Len() > 0 {
 				token := strings.Split(buf.String(), ";")
 				switch len(token) {
@@ -534,7 +606,7 @@ loop:
 			} else {
 				csbi.cursorPosition.y = 0
 			}
-			procSetConsoleCursorPosition.Call(uintptr(w.handle), *(*uintptr)(unsafe.Pointer(&csbi.cursorPosition)))
+			procSetConsoleCursorPosition.Call(uintptr(handle), *(*uintptr)(unsafe.Pointer(&csbi.cursorPosition)))
 		case 'J':
 			n := 0
 			if buf.Len() > 0 {
@@ -545,20 +617,20 @@ loop:
 			}
 			var count, written dword
 			var cursor coord
-			procGetConsoleScreenBufferInfo.Call(uintptr(w.handle), uintptr(unsafe.Pointer(&csbi)))
+			procGetConsoleScreenBufferInfo.Call(uintptr(handle), uintptr(unsafe.Pointer(&csbi)))
 			switch n {
 			case 0:
 				cursor = coord{x: csbi.cursorPosition.x, y: csbi.cursorPosition.y}
-				count = dword(csbi.size.x - csbi.cursorPosition.x + (csbi.size.y-csbi.cursorPosition.y)*csbi.size.x)
+				count = dword(csbi.size.x) - dword(csbi.cursorPosition.x) + dword(csbi.size.y-csbi.cursorPosition.y)*dword(csbi.size.x)
 			case 1:
 				cursor = coord{x: csbi.window.left, y: csbi.window.top}
-				count = dword(csbi.size.x - csbi.cursorPosition.x + (csbi.window.top-csbi.cursorPosition.y)*csbi.size.x)
+				count = dword(csbi.size.x) - dword(csbi.cursorPosition.x) + dword(csbi.window.top-csbi.cursorPosition.y)*dword(csbi.size.x)
 			case 2:
 				cursor = coord{x: csbi.window.left, y: csbi.window.top}
-				count = dword(csbi.size.x - csbi.cursorPosition.x + (csbi.size.y-csbi.cursorPosition.y)*csbi.size.x)
+				count = dword(csbi.size.x) - dword(csbi.cursorPosition.x) + dword(csbi.size.y-csbi.cursorPosition.y)*dword(csbi.size.x)
 			}
-			procFillConsoleOutputCharacter.Call(uintptr(w.handle), uintptr(' '), uintptr(count), *(*uintptr)(unsafe.Pointer(&cursor)), uintptr(unsafe.Pointer(&written)))
-			procFillConsoleOutputAttribute.Call(uintptr(w.handle), uintptr(csbi.attributes), uintptr(count), *(*uintptr)(unsafe.Pointer(&cursor)), uintptr(unsafe.Pointer(&written)))
+			procFillConsoleOutputCharacter.Call(uintptr(handle), uintptr(' '), uintptr(count), *(*uintptr)(unsafe.Pointer(&cursor)), uintptr(unsafe.Pointer(&written)))
+			procFillConsoleOutputAttribute.Call(uintptr(handle), uintptr(csbi.attributes), uintptr(count), *(*uintptr)(unsafe.Pointer(&cursor)), uintptr(unsafe.Pointer(&written)))
 		case 'K':
 			n := 0
 			if buf.Len() > 0 {
@@ -567,28 +639,42 @@ loop:
 					continue
 				}
 			}
-			procGetConsoleScreenBufferInfo.Call(uintptr(w.handle), uintptr(unsafe.Pointer(&csbi)))
+			procGetConsoleScreenBufferInfo.Call(uintptr(handle), uintptr(unsafe.Pointer(&csbi)))
 			var cursor coord
 			var count, written dword
 			switch n {
 			case 0:
-				cursor = coord{x: csbi.cursorPosition.x + 1, y: csbi.cursorPosition.y}
-				count = dword(csbi.size.x - csbi.cursorPosition.x - 1)
+				cursor = coord{x: csbi.cursorPosition.x, y: csbi.cursorPosition.y}
+				count = dword(csbi.size.x - csbi.cursorPosition.x)
 			case 1:
-				cursor = coord{x: csbi.window.left, y: csbi.window.top + csbi.cursorPosition.y}
+				cursor = coord{x: csbi.window.left, y: csbi.cursorPosition.y}
 				count = dword(csbi.size.x - csbi.cursorPosition.x)
 			case 2:
-				cursor = coord{x: csbi.window.left, y: csbi.window.top + csbi.cursorPosition.y}
+				cursor = coord{x: csbi.window.left, y: csbi.cursorPosition.y}
 				count = dword(csbi.size.x)
 			}
-			procFillConsoleOutputCharacter.Call(uintptr(w.handle), uintptr(' '), uintptr(count), *(*uintptr)(unsafe.Pointer(&cursor)), uintptr(unsafe.Pointer(&written)))
-			procFillConsoleOutputAttribute.Call(uintptr(w.handle), uintptr(csbi.attributes), uintptr(count), *(*uintptr)(unsafe.Pointer(&cursor)), uintptr(unsafe.Pointer(&written)))
+			procFillConsoleOutputCharacter.Call(uintptr(handle), uintptr(' '), uintptr(count), *(*uintptr)(unsafe.Pointer(&cursor)), uintptr(unsafe.Pointer(&written)))
+			procFillConsoleOutputAttribute.Call(uintptr(handle), uintptr(csbi.attributes), uintptr(count), *(*uintptr)(unsafe.Pointer(&cursor)), uintptr(unsafe.Pointer(&written)))
+		case 'X':
+			n := 0
+			if buf.Len() > 0 {
+				n, err = strconv.Atoi(buf.String())
+				if err != nil {
+					continue
+				}
+			}
+			procGetConsoleScreenBufferInfo.Call(uintptr(handle), uintptr(unsafe.Pointer(&csbi)))
+			var cursor coord
+			var written dword
+			cursor = coord{x: csbi.cursorPosition.x, y: csbi.cursorPosition.y}
+			procFillConsoleOutputCharacter.Call(uintptr(handle), uintptr(' '), uintptr(n), *(*uintptr)(unsafe.Pointer(&cursor)), uintptr(unsafe.Pointer(&written)))
+			procFillConsoleOutputAttribute.Call(uintptr(handle), uintptr(csbi.attributes), uintptr(n), *(*uintptr)(unsafe.Pointer(&cursor)), uintptr(unsafe.Pointer(&written)))
 		case 'm':
-			procGetConsoleScreenBufferInfo.Call(uintptr(w.handle), uintptr(unsafe.Pointer(&csbi)))
+			procGetConsoleScreenBufferInfo.Call(uintptr(handle), uintptr(unsafe.Pointer(&csbi)))
 			attr := csbi.attributes
 			cs := buf.String()
 			if cs == "" {
-				procSetConsoleTextAttribute.Call(uintptr(w.handle), uintptr(w.oldattr))
+				procSetConsoleTextAttribute.Call(uintptr(handle), uintptr(w.oldattr))
 				continue
 			}
 			token := strings.Split(cs, ";")
@@ -598,14 +684,19 @@ loop:
 					switch {
 					case n == 0 || n == 100:
 						attr = w.oldattr
-					case 1 <= n && n <= 5:
-						attr |= foregroundIntensity
-					case n == 7:
-						attr = ((attr & foregroundMask) << 4) | ((attr & backgroundMask) >> 4)
-					case n == 22 || n == 25:
+					case n == 4:
+						attr |= commonLvbUnderscore
+					case (1 <= n && n <= 3) || n == 5:
 						attr |= foregroundIntensity
-					case n == 27:
-						attr = ((attr & foregroundMask) << 4) | ((attr & backgroundMask) >> 4)
+					case n == 7 || n == 27:
+						attr =
+							(attr &^ (foregroundMask | backgroundMask)) |
+								((attr & foregroundMask) << 4) |
+								((attr & backgroundMask) >> 4)
+					case n == 22:
+						attr &^= foregroundIntensity
+					case n == 24:
+						attr &^= commonLvbUnderscore
 					case 30 <= n && n <= 37:
 						attr &= backgroundMask
 						if (n-30)&1 != 0 {
@@ -627,6 +718,21 @@ loop:
 								attr |= n256foreAttr[n256]
 								i += 2
 							}
+						} else if len(token) == 5 && token[i+1] == "2" {
+							var r, g, b int
+							r, _ = strconv.Atoi(token[i+2])
+							g, _ = strconv.Atoi(token[i+3])
+							b, _ = strconv.Atoi(token[i+4])
+							i += 4
+							if r > 127 {
+								attr |= foregroundRed
+							}
+							if g > 127 {
+								attr |= foregroundGreen
+							}
+							if b > 127 {
+								attr |= foregroundBlue
+							}
 						} else {
 							attr = attr & (w.oldattr & backgroundMask)
 						}
@@ -654,6 +760,21 @@ loop:
 								attr |= n256backAttr[n256]
 								i += 2
 							}
+						} else if len(token) == 5 && token[i+1] == "2" {
+							var r, g, b int
+							r, _ = strconv.Atoi(token[i+2])
+							g, _ = strconv.Atoi(token[i+3])
+							b, _ = strconv.Atoi(token[i+4])
+							i += 4
+							if r > 127 {
+								attr |= backgroundRed
+							}
+							if g > 127 {
+								attr |= backgroundGreen
+							}
+							if b > 127 {
+								attr |= backgroundBlue
+							}
 						} else {
 							attr = attr & (w.oldattr & foregroundMask)
 						}
@@ -685,38 +806,52 @@ loop:
 							attr |= backgroundBlue
 						}
 					}
-					procSetConsoleTextAttribute.Call(uintptr(w.handle), uintptr(attr))
+					procSetConsoleTextAttribute.Call(uintptr(handle), uintptr(attr))
 				}
 			}
 		case 'h':
 			var ci consoleCursorInfo
 			cs := buf.String()
 			if cs == "5>" {
-				procGetConsoleCursorInfo.Call(uintptr(w.handle), uintptr(unsafe.Pointer(&ci)))
+				procGetConsoleCursorInfo.Call(uintptr(handle), uintptr(unsafe.Pointer(&ci)))
 				ci.visible = 0
-				procSetConsoleCursorInfo.Call(uintptr(w.handle), uintptr(unsafe.Pointer(&ci)))
+				procSetConsoleCursorInfo.Call(uintptr(handle), uintptr(unsafe.Pointer(&ci)))
 			} else if cs == "?25" {
-				procGetConsoleCursorInfo.Call(uintptr(w.handle), uintptr(unsafe.Pointer(&ci)))
+				procGetConsoleCursorInfo.Call(uintptr(handle), uintptr(unsafe.Pointer(&ci)))
 				ci.visible = 1
-				procSetConsoleCursorInfo.Call(uintptr(w.handle), uintptr(unsafe.Pointer(&ci)))
+				procSetConsoleCursorInfo.Call(uintptr(handle), uintptr(unsafe.Pointer(&ci)))
+			} else if cs == "?1049" {
+				if w.althandle == 0 {
+					h, _, _ := procCreateConsoleScreenBuffer.Call(uintptr(genericRead|genericWrite), 0, 0, uintptr(consoleTextmodeBuffer), 0, 0)
+					w.althandle = syscall.Handle(h)
+					if w.althandle != 0 {
+						handle = w.althandle
+					}
+				}
 			}
 		case 'l':
 			var ci consoleCursorInfo
 			cs := buf.String()
 			if cs == "5>" {
-				procGetConsoleCursorInfo.Call(uintptr(w.handle), uintptr(unsafe.Pointer(&ci)))
+				procGetConsoleCursorInfo.Call(uintptr(handle), uintptr(unsafe.Pointer(&ci)))
 				ci.visible = 1
-				procSetConsoleCursorInfo.Call(uintptr(w.handle), uintptr(unsafe.Pointer(&ci)))
+				procSetConsoleCursorInfo.Call(uintptr(handle), uintptr(unsafe.Pointer(&ci)))
 			} else if cs == "?25" {
-				procGetConsoleCursorInfo.Call(uintptr(w.handle), uintptr(unsafe.Pointer(&ci)))
+				procGetConsoleCursorInfo.Call(uintptr(handle), uintptr(unsafe.Pointer(&ci)))
 				ci.visible = 0
-				procSetConsoleCursorInfo.Call(uintptr(w.handle), uintptr(unsafe.Pointer(&ci)))
+				procSetConsoleCursorInfo.Call(uintptr(handle), uintptr(unsafe.Pointer(&ci)))
+			} else if cs == "?1049" {
+				if w.althandle != 0 {
+					syscall.CloseHandle(w.althandle)
+					w.althandle = 0
+					handle = w.handle
+				}
 			}
 		case 's':
-			procGetConsoleScreenBufferInfo.Call(uintptr(w.handle), uintptr(unsafe.Pointer(&csbi)))
+			procGetConsoleScreenBufferInfo.Call(uintptr(handle), uintptr(unsafe.Pointer(&csbi)))
 			w.oldpos = csbi.cursorPosition
 		case 'u':
-			procSetConsoleCursorPosition.Call(uintptr(w.handle), *(*uintptr)(unsafe.Pointer(&w.oldpos)))
+			procSetConsoleCursorPosition.Call(uintptr(handle), *(*uintptr)(unsafe.Pointer(&w.oldpos)))
 		}
 	}
 
@@ -882,3 +1017,23 @@ func n256setup() {
 		n256backAttr[i] = c.backgroundAttr()
 	}
 }
+
+// EnableColorsStdout enable colors if possible.
+func EnableColorsStdout(enabled *bool) func() {
+	var mode uint32
+	h := os.Stdout.Fd()
+	if r, _, _ := procGetConsoleMode.Call(h, uintptr(unsafe.Pointer(&mode))); r != 0 {
+		if r, _, _ = procSetConsoleMode.Call(h, uintptr(mode|cENABLE_VIRTUAL_TERMINAL_PROCESSING)); r != 0 {
+			if enabled != nil {
+				*enabled = true
+			}
+			return func() {
+				procSetConsoleMode.Call(h, uintptr(mode))
+			}
+		}
+	}
+	if enabled != nil {
+		*enabled = true
+	}
+	return func() {}
+}

vendor/github.com/mattn/go-colorable/noncolorable.go

@@ -5,17 +5,17 @@ import (
 	"io"
 )
 
-// NonColorable hold writer but remove escape sequence.
+// NonColorable holds writer but removes escape sequence.
 type NonColorable struct {
 	out io.Writer
 }
 
-// NewNonColorable return new instance of Writer which remove escape sequence from Writer.
+// NewNonColorable returns new instance of Writer which removes escape sequence from Writer.
 func NewNonColorable(w io.Writer) io.Writer {
 	return &NonColorable{out: w}
 }
 
-// Write write data on console
+// Write writes data on console
 func (w *NonColorable) Write(data []byte) (n int, err error) {
 	er := bytes.NewReader(data)
 	var bw [1]byte

vendor/github.com/mattn/go-isatty/example_test.go

@@ -1,18 +0,0 @@
-package isatty_test
-
-import (
-	"fmt"
-	"os"
-
-	"github.com/mattn/go-isatty"
-)
-
-func Example() {
-	if isatty.IsTerminal(os.Stdout.Fd()) {
-		fmt.Println("Is Terminal")
-	} else if isatty.IsCygwinTerminal(os.Stdout.Fd()) {
-		fmt.Println("Is Cygwin/MSYS2 Terminal")
-	} else {
-		fmt.Println("Is Not Terminal")
-	}
-}

vendor/github.com/mattn/go-isatty/isatty_appengine.go

@@ -1,15 +0,0 @@
-// +build appengine
-
-package isatty
-
-// IsTerminal returns true if the file descriptor is terminal which
-// is always false on on appengine classic which is a sandboxed PaaS.
-func IsTerminal(fd uintptr) bool {
-	return false
-}
-
-// IsCygwinTerminal() return true if the file descriptor is a cygwin or msys2
-// terminal. This is also always false on this environment.
-func IsCygwinTerminal(fd uintptr) bool {
-	return false
-}

vendor/github.com/mattn/go-isatty/isatty_bsd.go

@@ -3,16 +3,16 @@
 
 package isatty
 
-import (
-	"syscall"
-	"unsafe"
-)
-
-const ioctlReadTermios = syscall.TIOCGETA
+import "golang.org/x/sys/unix"
 
 // IsTerminal return true if the file descriptor is terminal.
 func IsTerminal(fd uintptr) bool {
-	var termios syscall.Termios
-	_, _, err := syscall.Syscall6(syscall.SYS_IOCTL, fd, ioctlReadTermios, uintptr(unsafe.Pointer(&termios)), 0, 0, 0)
-	return err == 0
+	_, err := unix.IoctlGetTermios(int(fd), unix.TIOCGETA)
+	return err == nil
+}
+
+// IsCygwinTerminal return true if the file descriptor is a cygwin or msys2
+// terminal. This is also always false on this environment.
+func IsCygwinTerminal(fd uintptr) bool {
+	return false
 }

vendor/github.com/mattn/go-isatty/isatty_linux.go

@@ -1,18 +0,0 @@
-// +build linux
-// +build !appengine,!ppc64,!ppc64le
-
-package isatty
-
-import (
-	"syscall"
-	"unsafe"
-)
-
-const ioctlReadTermios = syscall.TCGETS
-
-// IsTerminal return true if the file descriptor is terminal.
-func IsTerminal(fd uintptr) bool {
-	var termios syscall.Termios
-	_, _, err := syscall.Syscall6(syscall.SYS_IOCTL, fd, ioctlReadTermios, uintptr(unsafe.Pointer(&termios)), 0, 0, 0)
-	return err == 0
-}

vendor/github.com/mattn/go-isatty/isatty_linux_ppc64x.go

@@ -1,19 +0,0 @@
-// +build linux
-// +build ppc64 ppc64le
-
-package isatty
-
-import (
-	"unsafe"
-
-	syscall "golang.org/x/sys/unix"
-)
-
-const ioctlReadTermios = syscall.TCGETS
-
-// IsTerminal return true if the file descriptor is terminal.
-func IsTerminal(fd uintptr) bool {
-	var termios syscall.Termios
-	_, _, err := syscall.Syscall6(syscall.SYS_IOCTL, fd, ioctlReadTermios, uintptr(unsafe.Pointer(&termios)), 0, 0, 0)
-	return err == 0
-}

vendor/github.com/mattn/go-isatty/isatty_others.go

@@ -1,8 +1,13 @@
-// +build !windows
-// +build !appengine
+// +build appengine js nacl wasm
 
 package isatty
 
+// IsTerminal returns true if the file descriptor is terminal which
+// is always false on js and appengine classic which is a sandboxed PaaS.
+func IsTerminal(fd uintptr) bool {
+	return false
+}
+
 // IsCygwinTerminal() return true if the file descriptor is a cygwin or msys2
 // terminal. This is also always false on this environment.
 func IsCygwinTerminal(fd uintptr) bool {

vendor/github.com/mattn/go-isatty/isatty_others_test.go

@@ -1,19 +0,0 @@
-// +build !windows
-
-package isatty
-
-import (
-	"os"
-	"testing"
-)
-
-func TestTerminal(t *testing.T) {
-	// test for non-panic
-	IsTerminal(os.Stdout.Fd())
-}
-
-func TestCygwinPipeName(t *testing.T) {
-	if IsCygwinTerminal(os.Stdout.Fd()) {
-		t.Fatal("should be false always")
-	}
-}

vendor/github.com/mattn/go-isatty/isatty_plan9.go

@@ -0,0 +1,22 @@
+// +build plan9
+
+package isatty
+
+import (
+	"syscall"
+)
+
+// IsTerminal returns true if the given file descriptor is a terminal.
+func IsTerminal(fd uintptr) bool {
+	path, err := syscall.Fd2path(int(fd))
+	if err != nil {
+		return false
+	}
+	return path == "/dev/cons" || path == "/mnt/term/dev/cons"
+}
+
+// IsCygwinTerminal return true if the file descriptor is a cygwin or msys2
+// terminal. This is also always false on this environment.
+func IsCygwinTerminal(fd uintptr) bool {
+	return false
+}

vendor/github.com/mattn/go-isatty/isatty_solaris.go

@@ -14,3 +14,9 @@ func IsTerminal(fd uintptr) bool {
 	err := unix.IoctlSetTermio(int(fd), unix.TCGETA, &termio)
 	return err == nil
 }
+
+// IsCygwinTerminal return true if the file descriptor is a cygwin or msys2
+// terminal. This is also always false on this environment.
+func IsCygwinTerminal(fd uintptr) bool {
+	return false
+}

vendor/github.com/mattn/go-isatty/isatty_tcgets.go

@@ -0,0 +1,18 @@
+// +build linux aix
+// +build !appengine
+
+package isatty
+
+import "golang.org/x/sys/unix"
+
+// IsTerminal return true if the file descriptor is terminal.
+func IsTerminal(fd uintptr) bool {
+	_, err := unix.IoctlGetTermios(int(fd), unix.TCGETS)
+	return err == nil
+}
+
+// IsCygwinTerminal return true if the file descriptor is a cygwin or msys2
+// terminal. This is also always false on this environment.
+func IsCygwinTerminal(fd uintptr) bool {
+	return false
+}

vendor/github.com/mattn/go-isatty/isatty_windows.go

@@ -4,6 +4,7 @@
 package isatty
 
 import (
+	"errors"
 	"strings"
 	"syscall"
 	"unicode/utf16"
@@ -11,15 +12,18 @@ import (
 )
 
 const (
-	fileNameInfo uintptr = 2
+	objectNameInfo uintptr = 1
+	fileNameInfo           = 2
 	fileTypePipe           = 3
 )
 
 var (
 	kernel32                         = syscall.NewLazyDLL("kernel32.dll")
+	ntdll                            = syscall.NewLazyDLL("ntdll.dll")
 	procGetConsoleMode               = kernel32.NewProc("GetConsoleMode")
 	procGetFileInformationByHandleEx = kernel32.NewProc("GetFileInformationByHandleEx")
 	procGetFileType                  = kernel32.NewProc("GetFileType")
+	procNtQueryObject                = ntdll.NewProc("NtQueryObject")
 )
 
 func init() {
@@ -45,7 +49,10 @@ func isCygwinPipeName(name string) bool {
 		return false
 	}
 
-	if token[0] != `\msys` && token[0] != `\cygwin` {
+	if token[0] != `\msys` &&
+		token[0] != `\cygwin` &&
+		token[0] != `\Device\NamedPipe\msys` &&
+		token[0] != `\Device\NamedPipe\cygwin` {
 		return false
 	}
 
@@ -68,12 +75,36 @@ func isCygwinPipeName(name string) bool {
 	return true
 }
 
+// getFileNameByHandle use the undocomented ntdll NtQueryObject to get file full name from file handler
+// since GetFileInformationByHandleEx is not avilable under windows Vista and still some old fashion
+// guys are using Windows XP, this is a workaround for those guys, it will also work on system from
+// Windows vista to 10
+// see https://stackoverflow.com/a/18792477 for details
+func getFileNameByHandle(fd uintptr) (string, error) {
+	if procNtQueryObject == nil {
+		return "", errors.New("ntdll.dll: NtQueryObject not supported")
+	}
+
+	var buf [4 + syscall.MAX_PATH]uint16
+	var result int
+	r, _, e := syscall.Syscall6(procNtQueryObject.Addr(), 5,
+		fd, objectNameInfo, uintptr(unsafe.Pointer(&buf)), uintptr(2*len(buf)), uintptr(unsafe.Pointer(&result)), 0)
+	if r != 0 {
+		return "", e
+	}
+	return string(utf16.Decode(buf[4 : 4+buf[0]/2])), nil
+}
+
 // IsCygwinTerminal() return true if the file descriptor is a cygwin or msys2
 // terminal.
 func IsCygwinTerminal(fd uintptr) bool {
 	if procGetFileInformationByHandleEx == nil {
+		name, err := getFileNameByHandle(fd)
+		if err != nil {
 			return false
 		}
+		return isCygwinPipeName(name)
+	}
 
 	// Cygwin/msys's pty is a pipe.
 	ft, _, e := syscall.Syscall(procGetFileType.Addr(), 1, fd, 0, 0)

vendor/github.com/mattn/go-isatty/isatty_windows_test.go

@@ -1,35 +0,0 @@
-// +build windows
-
-package isatty
-
-import (
-	"testing"
-)
-
-func TestCygwinPipeName(t *testing.T) {
-	tests := []struct {
-		name   string
-		result bool
-	}{
-		{``, false},
-		{`\msys-`, false},
-		{`\cygwin-----`, false},
-		{`\msys-x-PTY5-pty1-from-master`, false},
-		{`\cygwin-x-PTY5-from-master`, false},
-		{`\cygwin-x-pty2-from-toaster`, false},
-		{`\cygwin--pty2-from-master`, false},
-		{`\\cygwin-x-pty2-from-master`, false},
-		{`\cygwin-x-pty2-from-master-`, true}, // for the feature
-		{`\cygwin-e022582115c10879-pty4-from-master`, true},
-		{`\msys-e022582115c10879-pty4-to-master`, true},
-		{`\cygwin-e022582115c10879-pty4-to-master`, true},
-	}
-
-	for _, test := range tests {
-		want := test.result
-		got := isCygwinPipeName(test.name)
-		if want != got {
-			t.Fatalf("isatty(%q): got %v, want %v:", test.name, got, want)
-		}
-	}
-}

vendor/golang.org/x/sys/internal/unsafeheader/unsafeheader.go

@@ -0,0 +1,30 @@
+// Copyright 2020 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 unsafeheader contains header declarations for the Go runtime's
+// slice and string implementations.
+//
+// This package allows x/sys to use types equivalent to
+// reflect.SliceHeader and reflect.StringHeader without introducing
+// a dependency on the (relatively heavy) "reflect" package.
+package unsafeheader
+
+import (
+	"unsafe"
+)
+
+// Slice is the runtime representation of a slice.
+// It cannot be used safely or portably and its representation may change in a later release.
+type Slice struct {
+	Data unsafe.Pointer
+	Len  int
+	Cap  int
+}
+
+// String is the runtime representation of a string.
+// It cannot be used safely or portably and its representation may change in a later release.
+type String struct {
+	Data unsafe.Pointer
+	Len  int
+}

vendor/golang.org/x/sys/plan9/const_plan9.go

@@ -1,70 +0,0 @@
-package plan9
-
-// Plan 9 Constants
-
-// Open modes
-const (
-	O_RDONLY  = 0
-	O_WRONLY  = 1
-	O_RDWR    = 2
-	O_TRUNC   = 16
-	O_CLOEXEC = 32
-	O_EXCL    = 0x1000
-)
-
-// Rfork flags
-const (
-	RFNAMEG  = 1 << 0
-	RFENVG   = 1 << 1
-	RFFDG    = 1 << 2
-	RFNOTEG  = 1 << 3
-	RFPROC   = 1 << 4
-	RFMEM    = 1 << 5
-	RFNOWAIT = 1 << 6
-	RFCNAMEG = 1 << 10
-	RFCENVG  = 1 << 11
-	RFCFDG   = 1 << 12
-	RFREND   = 1 << 13
-	RFNOMNT  = 1 << 14
-)
-
-// Qid.Type bits
-const (
-	QTDIR    = 0x80
-	QTAPPEND = 0x40
-	QTEXCL   = 0x20
-	QTMOUNT  = 0x10
-	QTAUTH   = 0x08
-	QTTMP    = 0x04
-	QTFILE   = 0x00
-)
-
-// Dir.Mode bits
-const (
-	DMDIR    = 0x80000000
-	DMAPPEND = 0x40000000
-	DMEXCL   = 0x20000000
-	DMMOUNT  = 0x10000000
-	DMAUTH   = 0x08000000
-	DMTMP    = 0x04000000
-	DMREAD   = 0x4
-	DMWRITE  = 0x2
-	DMEXEC   = 0x1
-)
-
-const (
-	STATMAX    = 65535
-	ERRMAX     = 128
-	STATFIXLEN = 49
-)
-
-// Mount and bind flags
-const (
-	MREPL   = 0x0000
-	MBEFORE = 0x0001
-	MAFTER  = 0x0002
-	MORDER  = 0x0003
-	MCREATE = 0x0004
-	MCACHE  = 0x0010
-	MMASK   = 0x0017
-)

vendor/golang.org/x/sys/plan9/dir_plan9.go

@@ -1,212 +0,0 @@
-// Copyright 2012 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.
-
-// Plan 9 directory marshalling. See intro(5).
-
-package plan9
-
-import "errors"
-
-var (
-	ErrShortStat = errors.New("stat buffer too short")
-	ErrBadStat   = errors.New("malformed stat buffer")
-	ErrBadName   = errors.New("bad character in file name")
-)
-
-// A Qid represents a 9P server's unique identification for a file.
-type Qid struct {
-	Path uint64 // the file server's unique identification for the file
-	Vers uint32 // version number for given Path
-	Type uint8  // the type of the file (plan9.QTDIR for example)
-}
-
-// A Dir contains the metadata for a file.
-type Dir struct {
-	// system-modified data
-	Type uint16 // server type
-	Dev  uint32 // server subtype
-
-	// file data
-	Qid    Qid    // unique id from server
-	Mode   uint32 // permissions
-	Atime  uint32 // last read time
-	Mtime  uint32 // last write time
-	Length int64  // file length
-	Name   string // last element of path
-	Uid    string // owner name
-	Gid    string // group name
-	Muid   string // last modifier name
-}
-
-var nullDir = Dir{
-	Type: ^uint16(0),
-	Dev:  ^uint32(0),
-	Qid: Qid{
-		Path: ^uint64(0),
-		Vers: ^uint32(0),
-		Type: ^uint8(0),
-	},
-	Mode:   ^uint32(0),
-	Atime:  ^uint32(0),
-	Mtime:  ^uint32(0),
-	Length: ^int64(0),
-}
-
-// Null assigns special "don't touch" values to members of d to
-// avoid modifying them during plan9.Wstat.
-func (d *Dir) Null() { *d = nullDir }
-
-// Marshal encodes a 9P stat message corresponding to d into b
-//
-// If there isn't enough space in b for a stat message, ErrShortStat is returned.
-func (d *Dir) Marshal(b []byte) (n int, err error) {
-	n = STATFIXLEN + len(d.Name) + len(d.Uid) + len(d.Gid) + len(d.Muid)
-	if n > len(b) {
-		return n, ErrShortStat
-	}
-
-	for _, c := range d.Name {
-		if c == '/' {
-			return n, ErrBadName
-		}
-	}
-
-	b = pbit16(b, uint16(n)-2)
-	b = pbit16(b, d.Type)
-	b = pbit32(b, d.Dev)
-	b = pbit8(b, d.Qid.Type)
-	b = pbit32(b, d.Qid.Vers)
-	b = pbit64(b, d.Qid.Path)
-	b = pbit32(b, d.Mode)
-	b = pbit32(b, d.Atime)
-	b = pbit32(b, d.Mtime)
-	b = pbit64(b, uint64(d.Length))
-	b = pstring(b, d.Name)
-	b = pstring(b, d.Uid)
-	b = pstring(b, d.Gid)
-	b = pstring(b, d.Muid)
-
-	return n, nil
-}
-
-// UnmarshalDir decodes a single 9P stat message from b and returns the resulting Dir.
-//
-// If b is too small to hold a valid stat message, ErrShortStat is returned.
-//
-// If the stat message itself is invalid, ErrBadStat is returned.
-func UnmarshalDir(b []byte) (*Dir, error) {
-	if len(b) < STATFIXLEN {
-		return nil, ErrShortStat
-	}
-	size, buf := gbit16(b)
-	if len(b) != int(size)+2 {
-		return nil, ErrBadStat
-	}
-	b = buf
-
-	var d Dir
-	d.Type, b = gbit16(b)
-	d.Dev, b = gbit32(b)
-	d.Qid.Type, b = gbit8(b)
-	d.Qid.Vers, b = gbit32(b)
-	d.Qid.Path, b = gbit64(b)
-	d.Mode, b = gbit32(b)
-	d.Atime, b = gbit32(b)
-	d.Mtime, b = gbit32(b)
-
-	n, b := gbit64(b)
-	d.Length = int64(n)
-
-	var ok bool
-	if d.Name, b, ok = gstring(b); !ok {
-		return nil, ErrBadStat
-	}
-	if d.Uid, b, ok = gstring(b); !ok {
-		return nil, ErrBadStat
-	}
-	if d.Gid, b, ok = gstring(b); !ok {
-		return nil, ErrBadStat
-	}
-	if d.Muid, b, ok = gstring(b); !ok {
-		return nil, ErrBadStat
-	}
-
-	return &d, nil
-}
-
-// pbit8 copies the 8-bit number v to b and returns the remaining slice of b.
-func pbit8(b []byte, v uint8) []byte {
-	b[0] = byte(v)
-	return b[1:]
-}
-
-// pbit16 copies the 16-bit number v to b in little-endian order and returns the remaining slice of b.
-func pbit16(b []byte, v uint16) []byte {
-	b[0] = byte(v)
-	b[1] = byte(v >> 8)
-	return b[2:]
-}
-
-// pbit32 copies the 32-bit number v to b in little-endian order and returns the remaining slice of b.
-func pbit32(b []byte, v uint32) []byte {
-	b[0] = byte(v)
-	b[1] = byte(v >> 8)
-	b[2] = byte(v >> 16)
-	b[3] = byte(v >> 24)
-	return b[4:]
-}
-
-// pbit64 copies the 64-bit number v to b in little-endian order and returns the remaining slice of b.
-func pbit64(b []byte, v uint64) []byte {
-	b[0] = byte(v)
-	b[1] = byte(v >> 8)
-	b[2] = byte(v >> 16)
-	b[3] = byte(v >> 24)
-	b[4] = byte(v >> 32)
-	b[5] = byte(v >> 40)
-	b[6] = byte(v >> 48)
-	b[7] = byte(v >> 56)
-	return b[8:]
-}
-
-// pstring copies the string s to b, prepending it with a 16-bit length in little-endian order, and
-// returning the remaining slice of b..
-func pstring(b []byte, s string) []byte {
-	b = pbit16(b, uint16(len(s)))
-	n := copy(b, s)
-	return b[n:]
-}
-
-// gbit8 reads an 8-bit number from b and returns it with the remaining slice of b.
-func gbit8(b []byte) (uint8, []byte) {
-	return uint8(b[0]), b[1:]
-}
-
-// gbit16 reads a 16-bit number in little-endian order from b and returns it with the remaining slice of b.
-func gbit16(b []byte) (uint16, []byte) {
-	return uint16(b[0]) | uint16(b[1])<<8, b[2:]
-}
-
-// gbit32 reads a 32-bit number in little-endian order from b and returns it with the remaining slice of b.
-func gbit32(b []byte) (uint32, []byte) {
-	return uint32(b[0]) | uint32(b[1])<<8 | uint32(b[2])<<16 | uint32(b[3])<<24, b[4:]
-}
-
-// gbit64 reads a 64-bit number in little-endian order from b and returns it with the remaining slice of b.
-func gbit64(b []byte) (uint64, []byte) {
-	lo := uint32(b[0]) | uint32(b[1])<<8 | uint32(b[2])<<16 | uint32(b[3])<<24
-	hi := uint32(b[4]) | uint32(b[5])<<8 | uint32(b[6])<<16 | uint32(b[7])<<24
-	return uint64(lo) | uint64(hi)<<32, b[8:]
-}
-
-// gstring reads a string from b, prefixed with a 16-bit length in little-endian order.
-// It returns the string with the remaining slice of b and a boolean. If the length is
-// greater than the number of bytes in b, the boolean will be false.
-func gstring(b []byte) (string, []byte, bool) {
-	n, b := gbit16(b)
-	if int(n) > len(b) {
-		return "", b, false
-	}
-	return string(b[:n]), b[n:], true
-}

vendor/golang.org/x/sys/plan9/env_plan9.go

@@ -1,31 +0,0 @@
-// Copyright 2011 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.
-
-// Plan 9 environment variables.
-
-package plan9
-
-import (
-	"syscall"
-)
-
-func Getenv(key string) (value string, found bool) {
-	return syscall.Getenv(key)
-}
-
-func Setenv(key, value string) error {
-	return syscall.Setenv(key, value)
-}
-
-func Clearenv() {
-	syscall.Clearenv()
-}
-
-func Environ() []string {
-	return syscall.Environ()
-}
-
-func Unsetenv(key string) error {
-	return syscall.Unsetenv(key)
-}

vendor/golang.org/x/sys/plan9/errors_plan9.go

@@ -1,50 +0,0 @@
-// Copyright 2011 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 plan9
-
-import "syscall"
-
-// Constants
-const (
-	// Invented values to support what package os expects.
-	O_CREAT    = 0x02000
-	O_APPEND   = 0x00400
-	O_NOCTTY   = 0x00000
-	O_NONBLOCK = 0x00000
-	O_SYNC     = 0x00000
-	O_ASYNC    = 0x00000
-
-	S_IFMT   = 0x1f000
-	S_IFIFO  = 0x1000
-	S_IFCHR  = 0x2000
-	S_IFDIR  = 0x4000
-	S_IFBLK  = 0x6000
-	S_IFREG  = 0x8000
-	S_IFLNK  = 0xa000
-	S_IFSOCK = 0xc000
-)
-
-// Errors
-var (
-	EINVAL       = syscall.NewError("bad arg in system call")
-	ENOTDIR      = syscall.NewError("not a directory")
-	EISDIR       = syscall.NewError("file is a directory")
-	ENOENT       = syscall.NewError("file does not exist")
-	EEXIST       = syscall.NewError("file already exists")
-	EMFILE       = syscall.NewError("no free file descriptors")
-	EIO          = syscall.NewError("i/o error")
-	ENAMETOOLONG = syscall.NewError("file name too long")
-	EINTR        = syscall.NewError("interrupted")
-	EPERM        = syscall.NewError("permission denied")
-	EBUSY        = syscall.NewError("no free devices")
-	ETIMEDOUT    = syscall.NewError("connection timed out")
-	EPLAN9       = syscall.NewError("not supported by plan 9")
-
-	// The following errors do not correspond to any
-	// Plan 9 system messages. Invented to support
-	// what package os and others expect.
-	EACCES       = syscall.NewError("access permission denied")
-	EAFNOSUPPORT = syscall.NewError("address family not supported by protocol")
-)

vendor/golang.org/x/sys/plan9/pwd_go15_plan9.go

@@ -1,21 +0,0 @@
-// Copyright 2015 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 go1.5
-
-package plan9
-
-import "syscall"
-
-func fixwd() {
-	syscall.Fixwd()
-}
-
-func Getwd() (wd string, err error) {
-	return syscall.Getwd()
-}
-
-func Chdir(path string) error {
-	return syscall.Chdir(path)
-}

vendor/golang.org/x/sys/plan9/pwd_plan9.go

@@ -1,23 +0,0 @@
-// Copyright 2015 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 !go1.5
-
-package plan9
-
-func fixwd() {
-}
-
-func Getwd() (wd string, err error) {
-	fd, err := open(".", O_RDONLY)
-	if err != nil {
-		return "", err
-	}
-	defer Close(fd)
-	return Fd2path(fd)
-}
-
-func Chdir(path string) error {
-	return chdir(path)
-}

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

@@ -1,30 +0,0 @@
-// Copyright 2012 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 plan9,race
-
-package plan9
-
-import (
-	"runtime"
-	"unsafe"
-)
-
-const raceenabled = true
-
-func raceAcquire(addr unsafe.Pointer) {
-	runtime.RaceAcquire(addr)
-}
-
-func raceReleaseMerge(addr unsafe.Pointer) {
-	runtime.RaceReleaseMerge(addr)
-}
-
-func raceReadRange(addr unsafe.Pointer, len int) {
-	runtime.RaceReadRange(addr, len)
-}
-
-func raceWriteRange(addr unsafe.Pointer, len int) {
-	runtime.RaceWriteRange(addr, len)
-}

vendor/golang.org/x/sys/plan9/race0.go

@@ -1,25 +0,0 @@
-// Copyright 2012 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 plan9,!race
-
-package plan9
-
-import (
-	"unsafe"
-)
-
-const raceenabled = false
-
-func raceAcquire(addr unsafe.Pointer) {
-}
-
-func raceReleaseMerge(addr unsafe.Pointer) {
-}
-
-func raceReadRange(addr unsafe.Pointer, len int) {
-}
-
-func raceWriteRange(addr unsafe.Pointer, len int) {
-}

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

@@ -1,22 +0,0 @@
-// 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.
-
-// +build plan9
-
-package plan9
-
-func itoa(val int) string { // do it here rather than with fmt to avoid dependency
-	if val < 0 {
-		return "-" + itoa(-val)
-	}
-	var buf [32]byte // big enough for int64
-	i := len(buf) - 1
-	for val >= 10 {
-		buf[i] = byte(val%10 + '0')
-		i--
-		val /= 10
-	}
-	buf[i] = byte(val + '0')
-	return string(buf[i:])
-}

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

@@ -1,74 +0,0 @@
-// 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.
-
-// +build plan9
-
-// Package plan9 contains an interface to the low-level operating system
-// primitives. OS details vary depending on the underlying system, and
-// by default, godoc will display the OS-specific documentation for the current
-// system. If you want godoc to display documentation for another
-// system, set $GOOS and $GOARCH to the desired system. For example, if
-// you want to view documentation for freebsd/arm on linux/amd64, set $GOOS
-// to freebsd and $GOARCH to arm.
-// The primary use of this package is inside other packages that provide a more
-// portable interface to the system, such as "os", "time" and "net".  Use
-// those packages rather than this one if you can.
-// For details of the functions and data types in this package consult
-// the manuals for the appropriate operating system.
-// These calls return err == nil to indicate success; otherwise
-// err represents an operating system error describing the failure and
-// holds a value of type syscall.ErrorString.
-package plan9 // import "golang.org/x/sys/plan9"
-
-import "unsafe"
-
-// ByteSliceFromString returns a NUL-terminated slice of bytes
-// containing the text of s. If s contains a NUL byte at any
-// location, it returns (nil, EINVAL).
-func ByteSliceFromString(s string) ([]byte, error) {
-	for i := 0; i < len(s); i++ {
-		if s[i] == 0 {
-			return nil, EINVAL
-		}
-	}
-	a := make([]byte, len(s)+1)
-	copy(a, s)
-	return a, nil
-}
-
-// BytePtrFromString returns a pointer to a NUL-terminated array of
-// bytes containing the text of s. If s contains a NUL byte at any
-// location, it returns (nil, EINVAL).
-func BytePtrFromString(s string) (*byte, error) {
-	a, err := ByteSliceFromString(s)
-	if err != nil {
-		return nil, err
-	}
-	return &a[0], nil
-}
-
-// Single-word zero for use when we need a valid pointer to 0 bytes.
-// See mksyscall.pl.
-var _zero uintptr
-
-func (ts *Timespec) Unix() (sec int64, nsec int64) {
-	return int64(ts.Sec), int64(ts.Nsec)
-}
-
-func (tv *Timeval) Unix() (sec int64, nsec int64) {
-	return int64(tv.Sec), int64(tv.Usec) * 1000
-}
-
-func (ts *Timespec) Nano() int64 {
-	return int64(ts.Sec)*1e9 + int64(ts.Nsec)
-}
-
-func (tv *Timeval) Nano() int64 {
-	return int64(tv.Sec)*1e9 + int64(tv.Usec)*1000
-}
-
-// use is a no-op, but the compiler cannot see that it is.
-// Calling use(p) ensures that p is kept live until that point.
-//go:noescape
-func use(p unsafe.Pointer)

vendor/golang.org/x/sys/plan9/syscall_plan9.go

@@ -1,349 +0,0 @@
-// Copyright 2011 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.
-
-// Plan 9 system calls.
-// This file is compiled as ordinary Go code,
-// but it is also input to mksyscall,
-// which parses the //sys lines and generates system call stubs.
-// Note that sometimes we use a lowercase //sys name and
-// wrap it in our own nicer implementation.
-
-package plan9
-
-import (
-	"syscall"
-	"unsafe"
-)
-
-// A Note is a string describing a process note.
-// It implements the os.Signal interface.
-type Note string
-
-func (n Note) Signal() {}
-
-func (n Note) String() string {
-	return string(n)
-}
-
-var (
-	Stdin  = 0
-	Stdout = 1
-	Stderr = 2
-)
-
-// For testing: clients can set this flag to force
-// creation of IPv6 sockets to return EAFNOSUPPORT.
-var SocketDisableIPv6 bool
-
-func Syscall(trap, a1, a2, a3 uintptr) (r1, r2 uintptr, err syscall.ErrorString)
-func Syscall6(trap, a1, a2, a3, a4, a5, a6 uintptr) (r1, r2 uintptr, err syscall.ErrorString)
-func RawSyscall(trap, a1, a2, a3 uintptr) (r1, r2, err uintptr)
-func RawSyscall6(trap, a1, a2, a3, a4, a5, a6 uintptr) (r1, r2, err uintptr)
-
-func atoi(b []byte) (n uint) {
-	n = 0
-	for i := 0; i < len(b); i++ {
-		n = n*10 + uint(b[i]-'0')
-	}
-	return
-}
-
-func cstring(s []byte) string {
-	for i := range s {
-		if s[i] == 0 {
-			return string(s[0:i])
-		}
-	}
-	return string(s)
-}
-
-func errstr() string {
-	var buf [ERRMAX]byte
-
-	RawSyscall(SYS_ERRSTR, uintptr(unsafe.Pointer(&buf[0])), uintptr(len(buf)), 0)
-
-	buf[len(buf)-1] = 0
-	return cstring(buf[:])
-}
-
-// Implemented in assembly to import from runtime.
-func exit(code int)
-
-func Exit(code int) { exit(code) }
-
-func readnum(path string) (uint, error) {
-	var b [12]byte
-
-	fd, e := Open(path, O_RDONLY)
-	if e != nil {
-		return 0, e
-	}
-	defer Close(fd)
-
-	n, e := Pread(fd, b[:], 0)
-
-	if e != nil {
-		return 0, e
-	}
-
-	m := 0
-	for ; m < n && b[m] == ' '; m++ {
-	}
-
-	return atoi(b[m : n-1]), nil
-}
-
-func Getpid() (pid int) {
-	n, _ := readnum("#c/pid")
-	return int(n)
-}
-
-func Getppid() (ppid int) {
-	n, _ := readnum("#c/ppid")
-	return int(n)
-}
-
-func Read(fd int, p []byte) (n int, err error) {
-	return Pread(fd, p, -1)
-}
-
-func Write(fd int, p []byte) (n int, err error) {
-	return Pwrite(fd, p, -1)
-}
-
-var ioSync int64
-
-//sys	fd2path(fd int, buf []byte) (err error)
-func Fd2path(fd int) (path string, err error) {
-	var buf [512]byte
-
-	e := fd2path(fd, buf[:])
-	if e != nil {
-		return "", e
-	}
-	return cstring(buf[:]), nil
-}
-
-//sys	pipe(p *[2]int32) (err error)
-func Pipe(p []int) (err error) {
-	if len(p) != 2 {
-		return syscall.ErrorString("bad arg in system call")
-	}
-	var pp [2]int32
-	err = pipe(&pp)
-	p[0] = int(pp[0])
-	p[1] = int(pp[1])
-	return
-}
-
-// Underlying system call writes to newoffset via pointer.
-// Implemented in assembly to avoid allocation.
-func seek(placeholder uintptr, fd int, offset int64, whence int) (newoffset int64, err string)
-
-func Seek(fd int, offset int64, whence int) (newoffset int64, err error) {
-	newoffset, e := seek(0, fd, offset, whence)
-
-	if newoffset == -1 {
-		err = syscall.ErrorString(e)
-	}
-	return
-}
-
-func Mkdir(path string, mode uint32) (err error) {
-	fd, err := Create(path, O_RDONLY, DMDIR|mode)
-
-	if fd != -1 {
-		Close(fd)
-	}
-
-	return
-}
-
-type Waitmsg struct {
-	Pid  int
-	Time [3]uint32
-	Msg  string
-}
-
-func (w Waitmsg) Exited() bool   { return true }
-func (w Waitmsg) Signaled() bool { return false }
-
-func (w Waitmsg) ExitStatus() int {
-	if len(w.Msg) == 0 {
-		// a normal exit returns no message
-		return 0
-	}
-	return 1
-}
-
-//sys	await(s []byte) (n int, err error)
-func Await(w *Waitmsg) (err error) {
-	var buf [512]byte
-	var f [5][]byte
-
-	n, err := await(buf[:])
-
-	if err != nil || w == nil {
-		return
-	}
-
-	nf := 0
-	p := 0
-	for i := 0; i < n && nf < len(f)-1; i++ {
-		if buf[i] == ' ' {
-			f[nf] = buf[p:i]
-			p = i + 1
-			nf++
-		}
-	}
-	f[nf] = buf[p:]
-	nf++
-
-	if nf != len(f) {
-		return syscall.ErrorString("invalid wait message")
-	}
-	w.Pid = int(atoi(f[0]))
-	w.Time[0] = uint32(atoi(f[1]))
-	w.Time[1] = uint32(atoi(f[2]))
-	w.Time[2] = uint32(atoi(f[3]))
-	w.Msg = cstring(f[4])
-	if w.Msg == "''" {
-		// await() returns '' for no error
-		w.Msg = ""
-	}
-	return
-}
-
-func Unmount(name, old string) (err error) {
-	fixwd()
-	oldp, err := BytePtrFromString(old)
-	if err != nil {
-		return err
-	}
-	oldptr := uintptr(unsafe.Pointer(oldp))
-
-	var r0 uintptr
-	var e syscall.ErrorString
-
-	// bind(2) man page: If name is zero, everything bound or mounted upon old is unbound or unmounted.
-	if name == "" {
-		r0, _, e = Syscall(SYS_UNMOUNT, _zero, oldptr, 0)
-	} else {
-		namep, err := BytePtrFromString(name)
-		if err != nil {
-			return err
-		}
-		r0, _, e = Syscall(SYS_UNMOUNT, uintptr(unsafe.Pointer(namep)), oldptr, 0)
-	}
-
-	if int32(r0) == -1 {
-		err = e
-	}
-	return
-}
-
-func Fchdir(fd int) (err error) {
-	path, err := Fd2path(fd)
-
-	if err != nil {
-		return
-	}
-
-	return Chdir(path)
-}
-
-type Timespec struct {
-	Sec  int32
-	Nsec int32
-}
-
-type Timeval struct {
-	Sec  int32
-	Usec int32
-}
-
-func NsecToTimeval(nsec int64) (tv Timeval) {
-	nsec += 999 // round up to microsecond
-	tv.Usec = int32(nsec % 1e9 / 1e3)
-	tv.Sec = int32(nsec / 1e9)
-	return
-}
-
-func nsec() int64 {
-	var scratch int64
-
-	r0, _, _ := Syscall(SYS_NSEC, uintptr(unsafe.Pointer(&scratch)), 0, 0)
-	// TODO(aram): remove hack after I fix _nsec in the pc64 kernel.
-	if r0 == 0 {
-		return scratch
-	}
-	return int64(r0)
-}
-
-func Gettimeofday(tv *Timeval) error {
-	nsec := nsec()
-	*tv = NsecToTimeval(nsec)
-	return nil
-}
-
-func Getpagesize() int { return 0x1000 }
-
-func Getegid() (egid int) { return -1 }
-func Geteuid() (euid int) { return -1 }
-func Getgid() (gid int)   { return -1 }
-func Getuid() (uid int)   { return -1 }
-
-func Getgroups() (gids []int, err error) {
-	return make([]int, 0), nil
-}
-
-//sys	open(path string, mode int) (fd int, err error)
-func Open(path string, mode int) (fd int, err error) {
-	fixwd()
-	return open(path, mode)
-}
-
-//sys	create(path string, mode int, perm uint32) (fd int, err error)
-func Create(path string, mode int, perm uint32) (fd int, err error) {
-	fixwd()
-	return create(path, mode, perm)
-}
-
-//sys	remove(path string) (err error)
-func Remove(path string) error {
-	fixwd()
-	return remove(path)
-}
-
-//sys	stat(path string, edir []byte) (n int, err error)
-func Stat(path string, edir []byte) (n int, err error) {
-	fixwd()
-	return stat(path, edir)
-}
-
-//sys	bind(name string, old string, flag int) (err error)
-func Bind(name string, old string, flag int) (err error) {
-	fixwd()
-	return bind(name, old, flag)
-}
-
-//sys	mount(fd int, afd int, old string, flag int, aname string) (err error)
-func Mount(fd int, afd int, old string, flag int, aname string) (err error) {
-	fixwd()
-	return mount(fd, afd, old, flag, aname)
-}
-
-//sys	wstat(path string, edir []byte) (err error)
-func Wstat(path string, edir []byte) (err error) {
-	fixwd()
-	return wstat(path, edir)
-}
-
-//sys	chdir(path string) (err error)
-//sys	Dup(oldfd int, newfd int) (fd int, err error)
-//sys	Pread(fd int, p []byte, offset int64) (n int, err error)
-//sys	Pwrite(fd int, p []byte, offset int64) (n int, err error)
-//sys	Close(fd int) (err error)
-//sys	Fstat(fd int, edir []byte) (n int, err error)
-//sys	Fwstat(fd int, edir []byte) (err error)

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

@@ -1,33 +0,0 @@
-// Copyright 2013 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 plan9
-
-package plan9_test
-
-import (
-	"testing"
-
-	"golang.org/x/sys/plan9"
-)
-
-func testSetGetenv(t *testing.T, key, value string) {
-	err := plan9.Setenv(key, value)
-	if err != nil {
-		t.Fatalf("Setenv failed to set %q: %v", value, err)
-	}
-	newvalue, found := plan9.Getenv(key)
-	if !found {
-		t.Fatalf("Getenv failed to find %v variable (want value %q)", key, value)
-	}
-	if newvalue != value {
-		t.Fatalf("Getenv(%v) = %q; want %q", key, newvalue, value)
-	}
-}
-
-func TestEnv(t *testing.T) {
-	testSetGetenv(t, "TESTENV", "AVALUE")
-	// make sure TESTENV gets set to "", not deleted
-	testSetGetenv(t, "TESTENV", "")
-}

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

@@ -1,292 +0,0 @@
-// mksyscall.pl -l32 -plan9 syscall_plan9.go
-// MACHINE GENERATED BY THE COMMAND ABOVE; DO NOT EDIT
-
-package plan9
-
-import "unsafe"
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func fd2path(fd int, buf []byte) (err error) {
-	var _p0 unsafe.Pointer
-	if len(buf) > 0 {
-		_p0 = unsafe.Pointer(&buf[0])
-	} else {
-		_p0 = unsafe.Pointer(&_zero)
-	}
-	r0, _, e1 := Syscall(SYS_FD2PATH, uintptr(fd), uintptr(_p0), uintptr(len(buf)))
-	if int32(r0) == -1 {
-		err = e1
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func pipe(p *[2]int32) (err error) {
-	r0, _, e1 := Syscall(SYS_PIPE, uintptr(unsafe.Pointer(p)), 0, 0)
-	if int32(r0) == -1 {
-		err = e1
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func await(s []byte) (n int, err error) {
-	var _p0 unsafe.Pointer
-	if len(s) > 0 {
-		_p0 = unsafe.Pointer(&s[0])
-	} else {
-		_p0 = unsafe.Pointer(&_zero)
-	}
-	r0, _, e1 := Syscall(SYS_AWAIT, uintptr(_p0), uintptr(len(s)), 0)
-	n = int(r0)
-	if int32(r0) == -1 {
-		err = e1
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func open(path string, mode int) (fd int, err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(path)
-	if err != nil {
-		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
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func create(path string, mode int, perm uint32) (fd int, err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(path)
-	if err != nil {
-		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
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func remove(path string) (err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(path)
-	if err != nil {
-		return
-	}
-	r0, _, e1 := Syscall(SYS_REMOVE, uintptr(unsafe.Pointer(_p0)), 0, 0)
-	use(unsafe.Pointer(_p0))
-	if int32(r0) == -1 {
-		err = e1
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func stat(path string, edir []byte) (n int, err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(path)
-	if err != nil {
-		return
-	}
-	var _p1 unsafe.Pointer
-	if len(edir) > 0 {
-		_p1 = unsafe.Pointer(&edir[0])
-	} else {
-		_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
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func bind(name string, old string, flag int) (err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(name)
-	if err != nil {
-		return
-	}
-	var _p1 *byte
-	_p1, err = BytePtrFromString(old)
-	if err != nil {
-		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
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func mount(fd int, afd int, old string, flag int, aname string) (err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(old)
-	if err != nil {
-		return
-	}
-	var _p1 *byte
-	_p1, err = BytePtrFromString(aname)
-	if err != nil {
-		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
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func wstat(path string, edir []byte) (err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(path)
-	if err != nil {
-		return
-	}
-	var _p1 unsafe.Pointer
-	if len(edir) > 0 {
-		_p1 = unsafe.Pointer(&edir[0])
-	} else {
-		_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
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func chdir(path string) (err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(path)
-	if err != nil {
-		return
-	}
-	r0, _, e1 := Syscall(SYS_CHDIR, uintptr(unsafe.Pointer(_p0)), 0, 0)
-	use(unsafe.Pointer(_p0))
-	if int32(r0) == -1 {
-		err = e1
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Dup(oldfd int, newfd int) (fd int, err error) {
-	r0, _, e1 := Syscall(SYS_DUP, uintptr(oldfd), uintptr(newfd), 0)
-	fd = int(r0)
-	if int32(r0) == -1 {
-		err = e1
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Pread(fd int, p []byte, offset int64) (n int, err error) {
-	var _p0 unsafe.Pointer
-	if len(p) > 0 {
-		_p0 = unsafe.Pointer(&p[0])
-	} else {
-		_p0 = unsafe.Pointer(&_zero)
-	}
-	r0, _, e1 := Syscall6(SYS_PREAD, uintptr(fd), uintptr(_p0), uintptr(len(p)), uintptr(offset), uintptr(offset>>32), 0)
-	n = int(r0)
-	if int32(r0) == -1 {
-		err = e1
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Pwrite(fd int, p []byte, offset int64) (n int, err error) {
-	var _p0 unsafe.Pointer
-	if len(p) > 0 {
-		_p0 = unsafe.Pointer(&p[0])
-	} else {
-		_p0 = unsafe.Pointer(&_zero)
-	}
-	r0, _, e1 := Syscall6(SYS_PWRITE, uintptr(fd), uintptr(_p0), uintptr(len(p)), uintptr(offset), uintptr(offset>>32), 0)
-	n = int(r0)
-	if int32(r0) == -1 {
-		err = e1
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Close(fd int) (err error) {
-	r0, _, e1 := Syscall(SYS_CLOSE, uintptr(fd), 0, 0)
-	if int32(r0) == -1 {
-		err = e1
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Fstat(fd int, edir []byte) (n int, err error) {
-	var _p0 unsafe.Pointer
-	if len(edir) > 0 {
-		_p0 = unsafe.Pointer(&edir[0])
-	} else {
-		_p0 = unsafe.Pointer(&_zero)
-	}
-	r0, _, e1 := Syscall(SYS_FSTAT, uintptr(fd), uintptr(_p0), uintptr(len(edir)))
-	n = int(r0)
-	if int32(r0) == -1 {
-		err = e1
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Fwstat(fd int, edir []byte) (err error) {
-	var _p0 unsafe.Pointer
-	if len(edir) > 0 {
-		_p0 = unsafe.Pointer(&edir[0])
-	} else {
-		_p0 = unsafe.Pointer(&_zero)
-	}
-	r0, _, e1 := Syscall(SYS_FWSTAT, uintptr(fd), uintptr(_p0), uintptr(len(edir)))
-	if int32(r0) == -1 {
-		err = e1
-	}
-	return
-}

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

@@ -1,292 +0,0 @@
-// mksyscall.pl -l32 -plan9 syscall_plan9.go
-// MACHINE GENERATED BY THE COMMAND ABOVE; DO NOT EDIT
-
-package plan9
-
-import "unsafe"
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func fd2path(fd int, buf []byte) (err error) {
-	var _p0 unsafe.Pointer
-	if len(buf) > 0 {
-		_p0 = unsafe.Pointer(&buf[0])
-	} else {
-		_p0 = unsafe.Pointer(&_zero)
-	}
-	r0, _, e1 := Syscall(SYS_FD2PATH, uintptr(fd), uintptr(_p0), uintptr(len(buf)))
-	if int32(r0) == -1 {
-		err = e1
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func pipe(p *[2]int32) (err error) {
-	r0, _, e1 := Syscall(SYS_PIPE, uintptr(unsafe.Pointer(p)), 0, 0)
-	if int32(r0) == -1 {
-		err = e1
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func await(s []byte) (n int, err error) {
-	var _p0 unsafe.Pointer
-	if len(s) > 0 {
-		_p0 = unsafe.Pointer(&s[0])
-	} else {
-		_p0 = unsafe.Pointer(&_zero)
-	}
-	r0, _, e1 := Syscall(SYS_AWAIT, uintptr(_p0), uintptr(len(s)), 0)
-	n = int(r0)
-	if int32(r0) == -1 {
-		err = e1
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func open(path string, mode int) (fd int, err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(path)
-	if err != nil {
-		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
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func create(path string, mode int, perm uint32) (fd int, err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(path)
-	if err != nil {
-		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
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func remove(path string) (err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(path)
-	if err != nil {
-		return
-	}
-	r0, _, e1 := Syscall(SYS_REMOVE, uintptr(unsafe.Pointer(_p0)), 0, 0)
-	use(unsafe.Pointer(_p0))
-	if int32(r0) == -1 {
-		err = e1
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func stat(path string, edir []byte) (n int, err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(path)
-	if err != nil {
-		return
-	}
-	var _p1 unsafe.Pointer
-	if len(edir) > 0 {
-		_p1 = unsafe.Pointer(&edir[0])
-	} else {
-		_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
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func bind(name string, old string, flag int) (err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(name)
-	if err != nil {
-		return
-	}
-	var _p1 *byte
-	_p1, err = BytePtrFromString(old)
-	if err != nil {
-		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
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func mount(fd int, afd int, old string, flag int, aname string) (err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(old)
-	if err != nil {
-		return
-	}
-	var _p1 *byte
-	_p1, err = BytePtrFromString(aname)
-	if err != nil {
-		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
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func wstat(path string, edir []byte) (err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(path)
-	if err != nil {
-		return
-	}
-	var _p1 unsafe.Pointer
-	if len(edir) > 0 {
-		_p1 = unsafe.Pointer(&edir[0])
-	} else {
-		_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
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func chdir(path string) (err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(path)
-	if err != nil {
-		return
-	}
-	r0, _, e1 := Syscall(SYS_CHDIR, uintptr(unsafe.Pointer(_p0)), 0, 0)
-	use(unsafe.Pointer(_p0))
-	if int32(r0) == -1 {
-		err = e1
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Dup(oldfd int, newfd int) (fd int, err error) {
-	r0, _, e1 := Syscall(SYS_DUP, uintptr(oldfd), uintptr(newfd), 0)
-	fd = int(r0)
-	if int32(r0) == -1 {
-		err = e1
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Pread(fd int, p []byte, offset int64) (n int, err error) {
-	var _p0 unsafe.Pointer
-	if len(p) > 0 {
-		_p0 = unsafe.Pointer(&p[0])
-	} else {
-		_p0 = unsafe.Pointer(&_zero)
-	}
-	r0, _, e1 := Syscall6(SYS_PREAD, uintptr(fd), uintptr(_p0), uintptr(len(p)), uintptr(offset), uintptr(offset>>32), 0)
-	n = int(r0)
-	if int32(r0) == -1 {
-		err = e1
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Pwrite(fd int, p []byte, offset int64) (n int, err error) {
-	var _p0 unsafe.Pointer
-	if len(p) > 0 {
-		_p0 = unsafe.Pointer(&p[0])
-	} else {
-		_p0 = unsafe.Pointer(&_zero)
-	}
-	r0, _, e1 := Syscall6(SYS_PWRITE, uintptr(fd), uintptr(_p0), uintptr(len(p)), uintptr(offset), uintptr(offset>>32), 0)
-	n = int(r0)
-	if int32(r0) == -1 {
-		err = e1
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Close(fd int) (err error) {
-	r0, _, e1 := Syscall(SYS_CLOSE, uintptr(fd), 0, 0)
-	if int32(r0) == -1 {
-		err = e1
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Fstat(fd int, edir []byte) (n int, err error) {
-	var _p0 unsafe.Pointer
-	if len(edir) > 0 {
-		_p0 = unsafe.Pointer(&edir[0])
-	} else {
-		_p0 = unsafe.Pointer(&_zero)
-	}
-	r0, _, e1 := Syscall(SYS_FSTAT, uintptr(fd), uintptr(_p0), uintptr(len(edir)))
-	n = int(r0)
-	if int32(r0) == -1 {
-		err = e1
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Fwstat(fd int, edir []byte) (err error) {
-	var _p0 unsafe.Pointer
-	if len(edir) > 0 {
-		_p0 = unsafe.Pointer(&edir[0])
-	} else {
-		_p0 = unsafe.Pointer(&_zero)
-	}
-	r0, _, e1 := Syscall(SYS_FWSTAT, uintptr(fd), uintptr(_p0), uintptr(len(edir)))
-	if int32(r0) == -1 {
-		err = e1
-	}
-	return
-}

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

@@ -1,284 +0,0 @@
-// mksyscall.pl -l32 -plan9 -tags plan9,arm syscall_plan9.go
-// MACHINE GENERATED BY THE COMMAND ABOVE; DO NOT EDIT
-
-// +build plan9,arm
-
-package plan9
-
-import "unsafe"
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func fd2path(fd int, buf []byte) (err error) {
-	var _p0 unsafe.Pointer
-	if len(buf) > 0 {
-		_p0 = unsafe.Pointer(&buf[0])
-	} else {
-		_p0 = unsafe.Pointer(&_zero)
-	}
-	r0, _, e1 := Syscall(SYS_FD2PATH, uintptr(fd), uintptr(_p0), uintptr(len(buf)))
-	if int32(r0) == -1 {
-		err = e1
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func pipe(p *[2]int32) (err error) {
-	r0, _, e1 := Syscall(SYS_PIPE, uintptr(unsafe.Pointer(p)), 0, 0)
-	if int32(r0) == -1 {
-		err = e1
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func await(s []byte) (n int, err error) {
-	var _p0 unsafe.Pointer
-	if len(s) > 0 {
-		_p0 = unsafe.Pointer(&s[0])
-	} else {
-		_p0 = unsafe.Pointer(&_zero)
-	}
-	r0, _, e1 := Syscall(SYS_AWAIT, uintptr(_p0), uintptr(len(s)), 0)
-	n = int(r0)
-	if int32(r0) == -1 {
-		err = e1
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func open(path string, mode int) (fd int, err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(path)
-	if err != nil {
-		return
-	}
-	r0, _, e1 := Syscall(SYS_OPEN, uintptr(unsafe.Pointer(_p0)), uintptr(mode), 0)
-	fd = int(r0)
-	if int32(r0) == -1 {
-		err = e1
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func create(path string, mode int, perm uint32) (fd int, err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(path)
-	if err != nil {
-		return
-	}
-	r0, _, e1 := Syscall(SYS_CREATE, uintptr(unsafe.Pointer(_p0)), uintptr(mode), uintptr(perm))
-	fd = int(r0)
-	if int32(r0) == -1 {
-		err = e1
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func remove(path string) (err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(path)
-	if err != nil {
-		return
-	}
-	r0, _, e1 := Syscall(SYS_REMOVE, uintptr(unsafe.Pointer(_p0)), 0, 0)
-	if int32(r0) == -1 {
-		err = e1
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func stat(path string, edir []byte) (n int, err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(path)
-	if err != nil {
-		return
-	}
-	var _p1 unsafe.Pointer
-	if len(edir) > 0 {
-		_p1 = unsafe.Pointer(&edir[0])
-	} else {
-		_p1 = unsafe.Pointer(&_zero)
-	}
-	r0, _, e1 := Syscall(SYS_STAT, uintptr(unsafe.Pointer(_p0)), uintptr(_p1), uintptr(len(edir)))
-	n = int(r0)
-	if int32(r0) == -1 {
-		err = e1
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func bind(name string, old string, flag int) (err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(name)
-	if err != nil {
-		return
-	}
-	var _p1 *byte
-	_p1, err = BytePtrFromString(old)
-	if err != nil {
-		return
-	}
-	r0, _, e1 := Syscall(SYS_BIND, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(_p1)), uintptr(flag))
-	if int32(r0) == -1 {
-		err = e1
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func mount(fd int, afd int, old string, flag int, aname string) (err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(old)
-	if err != nil {
-		return
-	}
-	var _p1 *byte
-	_p1, err = BytePtrFromString(aname)
-	if err != nil {
-		return
-	}
-	r0, _, e1 := Syscall6(SYS_MOUNT, uintptr(fd), uintptr(afd), uintptr(unsafe.Pointer(_p0)), uintptr(flag), uintptr(unsafe.Pointer(_p1)), 0)
-	if int32(r0) == -1 {
-		err = e1
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func wstat(path string, edir []byte) (err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(path)
-	if err != nil {
-		return
-	}
-	var _p1 unsafe.Pointer
-	if len(edir) > 0 {
-		_p1 = unsafe.Pointer(&edir[0])
-	} else {
-		_p1 = unsafe.Pointer(&_zero)
-	}
-	r0, _, e1 := Syscall(SYS_WSTAT, uintptr(unsafe.Pointer(_p0)), uintptr(_p1), uintptr(len(edir)))
-	if int32(r0) == -1 {
-		err = e1
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func chdir(path string) (err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(path)
-	if err != nil {
-		return
-	}
-	r0, _, e1 := Syscall(SYS_CHDIR, uintptr(unsafe.Pointer(_p0)), 0, 0)
-	if int32(r0) == -1 {
-		err = e1
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Dup(oldfd int, newfd int) (fd int, err error) {
-	r0, _, e1 := Syscall(SYS_DUP, uintptr(oldfd), uintptr(newfd), 0)
-	fd = int(r0)
-	if int32(r0) == -1 {
-		err = e1
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Pread(fd int, p []byte, offset int64) (n int, err error) {
-	var _p0 unsafe.Pointer
-	if len(p) > 0 {
-		_p0 = unsafe.Pointer(&p[0])
-	} else {
-		_p0 = unsafe.Pointer(&_zero)
-	}
-	r0, _, e1 := Syscall6(SYS_PREAD, uintptr(fd), uintptr(_p0), uintptr(len(p)), uintptr(offset), uintptr(offset>>32), 0)
-	n = int(r0)
-	if int32(r0) == -1 {
-		err = e1
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Pwrite(fd int, p []byte, offset int64) (n int, err error) {
-	var _p0 unsafe.Pointer
-	if len(p) > 0 {
-		_p0 = unsafe.Pointer(&p[0])
-	} else {
-		_p0 = unsafe.Pointer(&_zero)
-	}
-	r0, _, e1 := Syscall6(SYS_PWRITE, uintptr(fd), uintptr(_p0), uintptr(len(p)), uintptr(offset), uintptr(offset>>32), 0)
-	n = int(r0)
-	if int32(r0) == -1 {
-		err = e1
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Close(fd int) (err error) {
-	r0, _, e1 := Syscall(SYS_CLOSE, uintptr(fd), 0, 0)
-	if int32(r0) == -1 {
-		err = e1
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Fstat(fd int, edir []byte) (n int, err error) {
-	var _p0 unsafe.Pointer
-	if len(edir) > 0 {
-		_p0 = unsafe.Pointer(&edir[0])
-	} else {
-		_p0 = unsafe.Pointer(&_zero)
-	}
-	r0, _, e1 := Syscall(SYS_FSTAT, uintptr(fd), uintptr(_p0), uintptr(len(edir)))
-	n = int(r0)
-	if int32(r0) == -1 {
-		err = e1
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Fwstat(fd int, edir []byte) (err error) {
-	var _p0 unsafe.Pointer
-	if len(edir) > 0 {
-		_p0 = unsafe.Pointer(&edir[0])
-	} else {
-		_p0 = unsafe.Pointer(&_zero)
-	}
-	r0, _, e1 := Syscall(SYS_FWSTAT, uintptr(fd), uintptr(_p0), uintptr(len(edir)))
-	if int32(r0) == -1 {
-		err = e1
-	}
-	return
-}

vendor/golang.org/x/sys/plan9/zsysnum_plan9.go

@@ -1,49 +0,0 @@
-// mksysnum_plan9.sh /opt/plan9/sys/src/libc/9syscall/sys.h
-// MACHINE GENERATED BY THE ABOVE COMMAND; DO NOT EDIT
-
-package plan9
-
-const (
-	SYS_SYSR1       = 0
-	SYS_BIND        = 2
-	SYS_CHDIR       = 3
-	SYS_CLOSE       = 4
-	SYS_DUP         = 5
-	SYS_ALARM       = 6
-	SYS_EXEC        = 7
-	SYS_EXITS       = 8
-	SYS_FAUTH       = 10
-	SYS_SEGBRK      = 12
-	SYS_OPEN        = 14
-	SYS_OSEEK       = 16
-	SYS_SLEEP       = 17
-	SYS_RFORK       = 19
-	SYS_PIPE        = 21
-	SYS_CREATE      = 22
-	SYS_FD2PATH     = 23
-	SYS_BRK_        = 24
-	SYS_REMOVE      = 25
-	SYS_NOTIFY      = 28
-	SYS_NOTED       = 29
-	SYS_SEGATTACH   = 30
-	SYS_SEGDETACH   = 31
-	SYS_SEGFREE     = 32
-	SYS_SEGFLUSH    = 33
-	SYS_RENDEZVOUS  = 34
-	SYS_UNMOUNT     = 35
-	SYS_SEMACQUIRE  = 37
-	SYS_SEMRELEASE  = 38
-	SYS_SEEK        = 39
-	SYS_FVERSION    = 40
-	SYS_ERRSTR      = 41
-	SYS_STAT        = 42
-	SYS_FSTAT       = 43
-	SYS_WSTAT       = 44
-	SYS_FWSTAT      = 45
-	SYS_MOUNT       = 46
-	SYS_AWAIT       = 47
-	SYS_PREAD       = 50
-	SYS_PWRITE      = 51
-	SYS_TSEMACQUIRE = 52
-	SYS_NSEC        = 53
-)

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

@@ -7,6 +7,7 @@
 package unix
 
 import (
+	"math/bits"
 	"unsafe"
 )
 
@@ -79,46 +80,7 @@ func (s *CPUSet) IsSet(cpu int) bool {
 func (s *CPUSet) Count() int {
 	c := 0
 	for _, b := range s {
-		c += onesCount64(uint64(b))
+		c += bits.OnesCount64(uint64(b))
 	}
 	return c
 }
-
-// onesCount64 is a copy of Go 1.9's math/bits.OnesCount64.
-// Once this package can require Go 1.9, we can delete this
-// and update the caller to use bits.OnesCount64.
-func onesCount64(x uint64) int {
-	const m0 = 0x5555555555555555 // 01010101 ...
-	const m1 = 0x3333333333333333 // 00110011 ...
-	const m2 = 0x0f0f0f0f0f0f0f0f // 00001111 ...
-	const m3 = 0x00ff00ff00ff00ff // etc.
-	const m4 = 0x0000ffff0000ffff
-
-	// Implementation: Parallel summing of adjacent bits.
-	// See "Hacker's Delight", Chap. 5: Counting Bits.
-	// The following pattern shows the general approach:
-	//
-	//   x = x>>1&(m0&m) + x&(m0&m)
-	//   x = x>>2&(m1&m) + x&(m1&m)
-	//   x = x>>4&(m2&m) + x&(m2&m)
-	//   x = x>>8&(m3&m) + x&(m3&m)
-	//   x = x>>16&(m4&m) + x&(m4&m)
-	//   x = x>>32&(m5&m) + x&(m5&m)
-	//   return int(x)
-	//
-	// Masking (& operations) can be left away when there's no
-	// danger that a field's sum will carry over into the next
-	// field: Since the result cannot be > 64, 8 bits is enough
-	// and we can ignore the masks for the shifts by 8 and up.
-	// Per "Hacker's Delight", the first line can be simplified
-	// more, but it saves at best one instruction, so we leave
-	// it alone for clarity.
-	const m = 1<<64 - 1
-	x = x>>1&(m0&m) + x&(m0&m)
-	x = x>>2&(m1&m) + x&(m1&m)
-	x = (x>>4 + x) & (m2 & m)
-	x += x >> 8
-	x += x >> 16
-	x += x >> 32
-	return int(x) & (1<<7 - 1)
-}

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

@@ -0,0 +1,14 @@
+// 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
+// +build go1.9
+
+package unix
+
+import "syscall"
+
+type Signal = syscall.Signal
+type Errno = syscall.Errno
+type SysProcAttr = syscall.SysProcAttr

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

@@ -23,6 +23,7 @@ const (
 	HCI_CHANNEL_USER    = 1
 	HCI_CHANNEL_MONITOR = 2
 	HCI_CHANNEL_CONTROL = 3
+	HCI_CHANNEL_LOGGING = 4
 )
 
 // Socketoption Level

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

@@ -7,7 +7,7 @@
 package unix
 
 import (
-	errorspkg "errors"
+	"errors"
 	"fmt"
 )
 
@@ -60,26 +60,26 @@ func CapRightsSet(rights *CapRights, setrights []uint64) error {
 
 	n := caparsize(rights)
 	if n < capArSizeMin || n > capArSizeMax {
-		return errorspkg.New("bad rights size")
+		return errors.New("bad rights size")
 	}
 
 	for _, right := range setrights {
 		if caprver(right) != CAP_RIGHTS_VERSION_00 {
-			return errorspkg.New("bad right version")
+			return errors.New("bad right version")
 		}
 		i, err := rightToIndex(right)
 		if err != nil {
 			return err
 		}
 		if i >= n {
-			return errorspkg.New("index overflow")
+			return errors.New("index overflow")
 		}
 		if capidxbit(rights.Rights[i]) != capidxbit(right) {
-			return errorspkg.New("index mismatch")
+			return errors.New("index mismatch")
 		}
 		rights.Rights[i] |= right
 		if capidxbit(rights.Rights[i]) != capidxbit(right) {
-			return errorspkg.New("index mismatch (after assign)")
+			return errors.New("index mismatch (after assign)")
 		}
 	}
 
@@ -95,26 +95,26 @@ func CapRightsClear(rights *CapRights, clearrights []uint64) error {
 
 	n := caparsize(rights)
 	if n < capArSizeMin || n > capArSizeMax {
-		return errorspkg.New("bad rights size")
+		return errors.New("bad rights size")
 	}
 
 	for _, right := range clearrights {
 		if caprver(right) != CAP_RIGHTS_VERSION_00 {
-			return errorspkg.New("bad right version")
+			return errors.New("bad right version")
 		}
 		i, err := rightToIndex(right)
 		if err != nil {
 			return err
 		}
 		if i >= n {
-			return errorspkg.New("index overflow")
+			return errors.New("index overflow")
 		}
 		if capidxbit(rights.Rights[i]) != capidxbit(right) {
-			return errorspkg.New("index mismatch")
+			return errors.New("index mismatch")
 		}
 		rights.Rights[i] &= ^(right & 0x01FFFFFFFFFFFFFF)
 		if capidxbit(rights.Rights[i]) != capidxbit(right) {
-			return errorspkg.New("index mismatch (after assign)")
+			return errors.New("index mismatch (after assign)")
 		}
 	}
 
@@ -130,22 +130,22 @@ func CapRightsIsSet(rights *CapRights, setrights []uint64) (bool, error) {
 
 	n := caparsize(rights)
 	if n < capArSizeMin || n > capArSizeMax {
-		return false, errorspkg.New("bad rights size")
+		return false, errors.New("bad rights size")
 	}
 
 	for _, right := range setrights {
 		if caprver(right) != CAP_RIGHTS_VERSION_00 {
-			return false, errorspkg.New("bad right version")
+			return false, errors.New("bad right version")
 		}
 		i, err := rightToIndex(right)
 		if err != nil {
 			return false, err
 		}
 		if i >= n {
-			return false, errorspkg.New("index overflow")
+			return false, errors.New("index overflow")
 		}
 		if capidxbit(rights.Rights[i]) != capidxbit(right) {
-			return false, errorspkg.New("index mismatch")
+			return false, errors.New("index mismatch")
 		}
 		if (rights.Rights[i] & right) != right {
 			return false, nil

vendor/golang.org/x/sys/unix/constants.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 solaris
+// +build aix darwin dragonfly freebsd linux netbsd openbsd solaris
 
 package unix
 

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

@@ -1,152 +0,0 @@
-// Copyright 2012 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 linux
-
-package unix_test
-
-import (
-	"bytes"
-	"go/build"
-	"net"
-	"os"
-	"syscall"
-	"testing"
-
-	"golang.org/x/sys/unix"
-)
-
-// TestSCMCredentials tests the sending and receiving of credentials
-// (PID, UID, GID) in an ancillary message between two UNIX
-// sockets. The SO_PASSCRED socket option is enabled on the sending
-// socket for this to work.
-func TestSCMCredentials(t *testing.T) {
-	socketTypeTests := []struct {
-		socketType int
-		dataLen    int
-	}{
-		{
-			unix.SOCK_STREAM,
-			1,
-		}, {
-			unix.SOCK_DGRAM,
-			0,
-		},
-	}
-
-	for _, tt := range socketTypeTests {
-		if tt.socketType == unix.SOCK_DGRAM && !atLeast1p10() {
-			t.Log("skipping DGRAM test on pre-1.10")
-			continue
-		}
-
-		fds, err := unix.Socketpair(unix.AF_LOCAL, tt.socketType, 0)
-		if err != nil {
-			t.Fatalf("Socketpair: %v", err)
-		}
-		defer unix.Close(fds[0])
-		defer unix.Close(fds[1])
-
-		err = unix.SetsockoptInt(fds[0], unix.SOL_SOCKET, unix.SO_PASSCRED, 1)
-		if err != nil {
-			t.Fatalf("SetsockoptInt: %v", err)
-		}
-
-		srvFile := os.NewFile(uintptr(fds[0]), "server")
-		defer srvFile.Close()
-		srv, err := net.FileConn(srvFile)
-		if err != nil {
-			t.Errorf("FileConn: %v", err)
-			return
-		}
-		defer srv.Close()
-
-		cliFile := os.NewFile(uintptr(fds[1]), "client")
-		defer cliFile.Close()
-		cli, err := net.FileConn(cliFile)
-		if err != nil {
-			t.Errorf("FileConn: %v", err)
-			return
-		}
-		defer cli.Close()
-
-		var ucred unix.Ucred
-		if os.Getuid() != 0 {
-			ucred.Pid = int32(os.Getpid())
-			ucred.Uid = 0
-			ucred.Gid = 0
-			oob := unix.UnixCredentials(&ucred)
-			_, _, err := cli.(*net.UnixConn).WriteMsgUnix(nil, oob, nil)
-			if op, ok := err.(*net.OpError); ok {
-				err = op.Err
-			}
-			if sys, ok := err.(*os.SyscallError); ok {
-				err = sys.Err
-			}
-			if err != syscall.EPERM {
-				t.Fatalf("WriteMsgUnix failed with %v, want EPERM", err)
-			}
-		}
-
-		ucred.Pid = int32(os.Getpid())
-		ucred.Uid = uint32(os.Getuid())
-		ucred.Gid = uint32(os.Getgid())
-		oob := unix.UnixCredentials(&ucred)
-
-		// On SOCK_STREAM, this is internally going to send a dummy byte
-		n, oobn, err := cli.(*net.UnixConn).WriteMsgUnix(nil, oob, nil)
-		if err != nil {
-			t.Fatalf("WriteMsgUnix: %v", err)
-		}
-		if n != 0 {
-			t.Fatalf("WriteMsgUnix n = %d, want 0", n)
-		}
-		if oobn != len(oob) {
-			t.Fatalf("WriteMsgUnix oobn = %d, want %d", oobn, len(oob))
-		}
-
-		oob2 := make([]byte, 10*len(oob))
-		n, oobn2, flags, _, err := srv.(*net.UnixConn).ReadMsgUnix(nil, oob2)
-		if err != nil {
-			t.Fatalf("ReadMsgUnix: %v", err)
-		}
-		if flags != 0 {
-			t.Fatalf("ReadMsgUnix flags = 0x%x, want 0", flags)
-		}
-		if n != tt.dataLen {
-			t.Fatalf("ReadMsgUnix n = %d, want %d", n, tt.dataLen)
-		}
-		if oobn2 != oobn {
-			// without SO_PASSCRED set on the socket, ReadMsgUnix will
-			// return zero oob bytes
-			t.Fatalf("ReadMsgUnix oobn = %d, want %d", oobn2, oobn)
-		}
-		oob2 = oob2[:oobn2]
-		if !bytes.Equal(oob, oob2) {
-			t.Fatal("ReadMsgUnix oob bytes don't match")
-		}
-
-		scm, err := unix.ParseSocketControlMessage(oob2)
-		if err != nil {
-			t.Fatalf("ParseSocketControlMessage: %v", err)
-		}
-		newUcred, err := unix.ParseUnixCredentials(&scm[0])
-		if err != nil {
-			t.Fatalf("ParseUnixCredentials: %v", err)
-		}
-		if *newUcred != ucred {
-			t.Fatalf("ParseUnixCredentials = %+v, want %+v", newUcred, ucred)
-		}
-	}
-}
-
-// atLeast1p10 reports whether we are running on Go 1.10 or later.
-func atLeast1p10() bool {
-	for _, ver := range build.Default.ReleaseTags {
-		if ver == "go1.10" {
-			return true
-		}
-	}
-	return false
-}

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

@@ -0,0 +1,27 @@
+// 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
+// +build ppc
+
+// Functions to access/create device major and minor numbers matching the
+// encoding used by AIX.
+
+package unix
+
+// Major returns the major component of a Linux device number.
+func Major(dev uint64) uint32 {
+	return uint32((dev >> 16) & 0xffff)
+}
+
+// Minor returns the minor component of a Linux device number.
+func Minor(dev uint64) uint32 {
+	return uint32(dev & 0xffff)
+}
+
+// Mkdev returns a Linux device number generated from the given major and minor
+// components.
+func Mkdev(major, minor uint32) uint64 {
+	return uint64(((major) << 16) | (minor))
+}

vendor/golang.org/x/sys/unix/dev_aix_ppc64.go

@@ -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 aix
+// +build ppc64
+
+// Functions to access/create device major and minor numbers matching the
+// encoding used AIX.
+
+package unix
+
+// Major returns the major component of a Linux device number.
+func Major(dev uint64) uint32 {
+	return uint32((dev & 0x3fffffff00000000) >> 32)
+}
+
+// Minor returns the minor component of a Linux device number.
+func Minor(dev uint64) uint32 {
+	return uint32((dev & 0x00000000ffffffff) >> 0)
+}
+
+// Mkdev returns a Linux device number generated from the given major and minor
+// components.
+func Mkdev(major, minor uint32) uint64 {
+	var DEVNO64 uint64
+	DEVNO64 = 0x8000000000000000
+	return ((uint64(major) << 32) | (uint64(minor) & 0x00000000FFFFFFFF) | DEVNO64)
+}

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

@@ -1,51 +0,0 @@
-// Copyright 2017 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 go1.7
-
-package unix_test
-
-import (
-	"fmt"
-	"testing"
-
-	"golang.org/x/sys/unix"
-)
-
-func TestDevices(t *testing.T) {
-	testCases := []struct {
-		path  string
-		major uint32
-		minor uint32
-	}{
-		// Most of the device major/minor numbers on Darwin are
-		// dynamically generated by devfs. These are some well-known
-		// static numbers.
-		{"/dev/ttyp0", 4, 0},
-		{"/dev/ttys0", 4, 48},
-		{"/dev/ptyp0", 5, 0},
-		{"/dev/ptyr0", 5, 32},
-	}
-	for _, tc := range testCases {
-		t.Run(fmt.Sprintf("%s %v:%v", tc.path, tc.major, tc.minor), func(t *testing.T) {
-			var stat unix.Stat_t
-			err := unix.Stat(tc.path, &stat)
-			if err != nil {
-				t.Errorf("failed to stat device: %v", err)
-				return
-			}
-
-			dev := uint64(stat.Rdev)
-			if unix.Major(dev) != tc.major {
-				t.Errorf("for %s Major(%#x) == %d, want %d", tc.path, dev, unix.Major(dev), tc.major)
-			}
-			if unix.Minor(dev) != tc.minor {
-				t.Errorf("for %s Minor(%#x) == %d, want %d", tc.path, dev, unix.Minor(dev), tc.minor)
-			}
-			if unix.Mkdev(tc.major, tc.minor) != dev {
-				t.Errorf("for %s Mkdev(%d, %d) == %#x, want %#x", tc.path, tc.major, tc.minor, unix.Mkdev(tc.major, tc.minor), dev)
-			}
-		})
-	}
-}

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

@@ -1,50 +0,0 @@
-// Copyright 2017 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 go1.7
-
-package unix_test
-
-import (
-	"fmt"
-	"testing"
-
-	"golang.org/x/sys/unix"
-)
-
-func TestDevices(t *testing.T) {
-	testCases := []struct {
-		path  string
-		major uint32
-		minor uint32
-	}{
-		// Minor is a cookie instead of an index on DragonFlyBSD
-		{"/dev/null", 10, 0x00000002},
-		{"/dev/random", 10, 0x00000003},
-		{"/dev/urandom", 10, 0x00000004},
-		{"/dev/zero", 10, 0x0000000c},
-		{"/dev/bpf", 15, 0xffff00ff},
-	}
-	for _, tc := range testCases {
-		t.Run(fmt.Sprintf("%s %v:%v", tc.path, tc.major, tc.minor), func(t *testing.T) {
-			var stat unix.Stat_t
-			err := unix.Stat(tc.path, &stat)
-			if err != nil {
-				t.Errorf("failed to stat device: %v", err)
-				return
-			}
-
-			dev := uint64(stat.Rdev)
-			if unix.Major(dev) != tc.major {
-				t.Errorf("for %s Major(%#x) == %d, want %d", tc.path, dev, unix.Major(dev), tc.major)
-			}
-			if unix.Minor(dev) != tc.minor {
-				t.Errorf("for %s Minor(%#x) == %d, want %d", tc.path, dev, unix.Minor(dev), tc.minor)
-			}
-			if unix.Mkdev(tc.major, tc.minor) != dev {
-				t.Errorf("for %s Mkdev(%d, %d) == %#x, want %#x", tc.path, tc.major, tc.minor, unix.Mkdev(tc.major, tc.minor), dev)
-			}
-		})
-	}
-}

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

@@ -1,53 +0,0 @@
-// Copyright 2017 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 go1.7
-
-package unix_test
-
-import (
-	"fmt"
-	"testing"
-
-	"golang.org/x/sys/unix"
-)
-
-func TestDevices(t *testing.T) {
-	testCases := []struct {
-		path  string
-		major uint32
-		minor uint32
-	}{
-		// well known major/minor numbers according to
-		// https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/Documentation/admin-guide/devices.txt
-		{"/dev/null", 1, 3},
-		{"/dev/zero", 1, 5},
-		{"/dev/random", 1, 8},
-		{"/dev/full", 1, 7},
-		{"/dev/urandom", 1, 9},
-		{"/dev/tty", 5, 0},
-	}
-	for _, tc := range testCases {
-		t.Run(fmt.Sprintf("%s %v:%v", tc.path, tc.major, tc.minor), func(t *testing.T) {
-			var stat unix.Stat_t
-			err := unix.Stat(tc.path, &stat)
-			if err != nil {
-				t.Errorf("failed to stat device: %v", err)
-				return
-			}
-
-			dev := uint64(stat.Rdev)
-			if unix.Major(dev) != tc.major {
-				t.Errorf("for %s Major(%#x) == %d, want %d", tc.path, dev, unix.Major(dev), tc.major)
-			}
-			if unix.Minor(dev) != tc.minor {
-				t.Errorf("for %s Minor(%#x) == %d, want %d", tc.path, dev, unix.Minor(dev), tc.minor)
-			}
-			if unix.Mkdev(tc.major, tc.minor) != dev {
-				t.Errorf("for %s Mkdev(%d, %d) == %#x, want %#x", tc.path, tc.major, tc.minor, unix.Mkdev(tc.major, tc.minor), dev)
-			}
-		})
-
-	}
-}

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

@@ -1,50 +0,0 @@
-// Copyright 2017 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 go1.7
-
-package unix_test
-
-import (
-	"fmt"
-	"testing"
-
-	"golang.org/x/sys/unix"
-)
-
-func TestDevices(t *testing.T) {
-	testCases := []struct {
-		path  string
-		major uint32
-		minor uint32
-	}{
-		// well known major/minor numbers according to /dev/MAKEDEV on
-		// NetBSD 8.0
-		{"/dev/null", 2, 2},
-		{"/dev/zero", 2, 12},
-		{"/dev/random", 46, 0},
-		{"/dev/urandom", 46, 1},
-	}
-	for _, tc := range testCases {
-		t.Run(fmt.Sprintf("%s %v:%v", tc.path, tc.major, tc.minor), func(t *testing.T) {
-			var stat unix.Stat_t
-			err := unix.Stat(tc.path, &stat)
-			if err != nil {
-				t.Errorf("failed to stat device: %v", err)
-				return
-			}
-
-			dev := uint64(stat.Rdev)
-			if unix.Major(dev) != tc.major {
-				t.Errorf("for %s Major(%#x) == %d, want %d", tc.path, dev, unix.Major(dev), tc.major)
-			}
-			if unix.Minor(dev) != tc.minor {
-				t.Errorf("for %s Minor(%#x) == %d, want %d", tc.path, dev, unix.Minor(dev), tc.minor)
-			}
-			if unix.Mkdev(tc.major, tc.minor) != dev {
-				t.Errorf("for %s Mkdev(%d, %d) == %#x, want %#x", tc.path, tc.major, tc.minor, unix.Mkdev(tc.major, tc.minor), dev)
-			}
-		})
-	}
-}

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

@@ -1,54 +0,0 @@
-// Copyright 2017 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 go1.7
-
-package unix_test
-
-import (
-	"fmt"
-	"testing"
-
-	"golang.org/x/sys/unix"
-)
-
-func TestDevices(t *testing.T) {
-	testCases := []struct {
-		path  string
-		major uint32
-		minor uint32
-	}{
-		// well known major/minor numbers according to /dev/MAKEDEV on
-		// OpenBSD 6.0
-		{"/dev/null", 2, 2},
-		{"/dev/zero", 2, 12},
-		{"/dev/ttyp0", 5, 0},
-		{"/dev/ttyp1", 5, 1},
-		{"/dev/random", 45, 0},
-		{"/dev/srandom", 45, 1},
-		{"/dev/urandom", 45, 2},
-		{"/dev/arandom", 45, 3},
-	}
-	for _, tc := range testCases {
-		t.Run(fmt.Sprintf("%s %v:%v", tc.path, tc.major, tc.minor), func(t *testing.T) {
-			var stat unix.Stat_t
-			err := unix.Stat(tc.path, &stat)
-			if err != nil {
-				t.Errorf("failed to stat device: %v", err)
-				return
-			}
-
-			dev := uint64(stat.Rdev)
-			if unix.Major(dev) != tc.major {
-				t.Errorf("for %s Major(%#x) == %d, want %d", tc.path, dev, unix.Major(dev), tc.major)
-			}
-			if unix.Minor(dev) != tc.minor {
-				t.Errorf("for %s Minor(%#x) == %d, want %d", tc.path, dev, unix.Minor(dev), tc.minor)
-			}
-			if unix.Mkdev(tc.major, tc.minor) != dev {
-				t.Errorf("for %s Mkdev(%d, %d) == %#x, want %#x", tc.path, tc.major, tc.minor, unix.Mkdev(tc.major, tc.minor), dev)
-			}
-		})
-	}
-}

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

@@ -1,51 +0,0 @@
-// Copyright 2017 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 go1.7
-
-package unix_test
-
-import (
-	"fmt"
-	"testing"
-
-	"golang.org/x/sys/unix"
-)
-
-func TestDevices(t *testing.T) {
-	testCases := []struct {
-		path  string
-		major uint32
-		minor uint32
-	}{
-		// Well-known major/minor numbers on OpenSolaris according to
-		// /etc/name_to_major
-		{"/dev/zero", 134, 12},
-		{"/dev/null", 134, 2},
-		{"/dev/ptyp0", 172, 0},
-		{"/dev/ttyp0", 175, 0},
-		{"/dev/ttyp1", 175, 1},
-	}
-	for _, tc := range testCases {
-		t.Run(fmt.Sprintf("%s %v:%v", tc.path, tc.major, tc.minor), func(t *testing.T) {
-			var stat unix.Stat_t
-			err := unix.Stat(tc.path, &stat)
-			if err != nil {
-				t.Errorf("failed to stat device: %v", err)
-				return
-			}
-
-			dev := uint64(stat.Rdev)
-			if unix.Major(dev) != tc.major {
-				t.Errorf("for %s Major(%#x) == %d, want %d", tc.path, dev, unix.Major(dev), tc.major)
-			}
-			if unix.Minor(dev) != tc.minor {
-				t.Errorf("for %s Minor(%#x) == %d, want %d", tc.path, dev, unix.Minor(dev), tc.minor)
-			}
-			if unix.Mkdev(tc.major, tc.minor) != dev {
-				t.Errorf("for %s Mkdev(%d, %d) == %#x, want %#x", tc.path, tc.major, tc.minor, unix.Mkdev(tc.major, tc.minor), dev)
-			}
-		})
-	}
-}

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

@@ -2,16 +2,101 @@
 // 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 nacl netbsd openbsd solaris
+// +build aix darwin dragonfly freebsd linux netbsd openbsd solaris
 
 package unix
 
-import "syscall"
+import "unsafe"
+
+// readInt returns the size-bytes unsigned integer in native byte order at offset off.
+func readInt(b []byte, off, size uintptr) (u uint64, ok bool) {
+	if len(b) < int(off+size) {
+		return 0, false
+	}
+	if isBigEndian {
+		return readIntBE(b[off:], size), true
+	}
+	return readIntLE(b[off:], size), true
+}
+
+func readIntBE(b []byte, size uintptr) uint64 {
+	switch size {
+	case 1:
+		return uint64(b[0])
+	case 2:
+		_ = b[1] // bounds check hint to compiler; see golang.org/issue/14808
+		return uint64(b[1]) | uint64(b[0])<<8
+	case 4:
+		_ = b[3] // bounds check hint to compiler; see golang.org/issue/14808
+		return uint64(b[3]) | uint64(b[2])<<8 | uint64(b[1])<<16 | uint64(b[0])<<24
+	case 8:
+		_ = b[7] // bounds check hint to compiler; see golang.org/issue/14808
+		return uint64(b[7]) | uint64(b[6])<<8 | uint64(b[5])<<16 | uint64(b[4])<<24 |
+			uint64(b[3])<<32 | uint64(b[2])<<40 | uint64(b[1])<<48 | uint64(b[0])<<56
+	default:
+		panic("syscall: readInt with unsupported size")
+	}
+}
+
+func readIntLE(b []byte, size uintptr) uint64 {
+	switch size {
+	case 1:
+		return uint64(b[0])
+	case 2:
+		_ = b[1] // bounds check hint to compiler; see golang.org/issue/14808
+		return uint64(b[0]) | uint64(b[1])<<8
+	case 4:
+		_ = b[3] // bounds check hint to compiler; see golang.org/issue/14808
+		return uint64(b[0]) | uint64(b[1])<<8 | uint64(b[2])<<16 | uint64(b[3])<<24
+	case 8:
+		_ = b[7] // bounds check hint to compiler; see golang.org/issue/14808
+		return uint64(b[0]) | uint64(b[1])<<8 | uint64(b[2])<<16 | uint64(b[3])<<24 |
+			uint64(b[4])<<32 | uint64(b[5])<<40 | uint64(b[6])<<48 | uint64(b[7])<<56
+	default:
+		panic("syscall: readInt with unsupported size")
+	}
+}
 
 // ParseDirent parses up to max directory entries in buf,
 // appending the names to names. It returns the number of
 // bytes consumed from buf, the number of entries added
 // to names, and the new names slice.
 func ParseDirent(buf []byte, max int, names []string) (consumed int, count int, newnames []string) {
-	return syscall.ParseDirent(buf, max, names)
+	origlen := len(buf)
+	count = 0
+	for max != 0 && len(buf) > 0 {
+		reclen, ok := direntReclen(buf)
+		if !ok || reclen > uint64(len(buf)) {
+			return origlen, count, names
+		}
+		rec := buf[:reclen]
+		buf = buf[reclen:]
+		ino, ok := direntIno(rec)
+		if !ok {
+			break
+		}
+		if ino == 0 { // File absent in directory.
+			continue
+		}
+		const namoff = uint64(unsafe.Offsetof(Dirent{}.Name))
+		namlen, ok := direntNamlen(rec)
+		if !ok || namoff+namlen > uint64(len(rec)) {
+			break
+		}
+		name := rec[namoff : namoff+namlen]
+		for i, c := range name {
+			if c == 0 {
+				name = name[:i]
+				break
+			}
+		}
+		// Check for useless names before allocating a string.
+		if string(name) == "." || string(name) == ".." {
+			continue
+		}
+		max--
+		count++
+		names = append(names, string(name))
+	}
+	return origlen - len(buf), count, names
 }

vendor/golang.org/x/sys/unix/endian_little.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 386 amd64 amd64p32 arm arm64 ppc64le mipsle mips64le
+// +build 386 amd64 amd64p32 arm arm64 ppc64le mipsle mips64le riscv64
 
 package unix
 

vendor/golang.org/x/sys/unix/env_unix.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 solaris
+// +build aix darwin dragonfly freebsd linux netbsd openbsd solaris
 
 // Unix environment variables.
 

vendor/golang.org/x/sys/unix/errors_freebsd_386.go

@@ -8,6 +8,7 @@
 package unix
 
 const (
+	DLT_HHDLC                         = 0x79
 	IFF_SMART                         = 0x20
 	IFT_1822                          = 0x2
 	IFT_A12MPPSWITCH                  = 0x82
@@ -210,13 +211,18 @@ const (
 	IFT_XETHER                        = 0x1a
 	IPPROTO_MAXID                     = 0x34
 	IPV6_FAITH                        = 0x1d
+	IPV6_MIN_MEMBERSHIPS              = 0x1f
 	IP_FAITH                          = 0x16
+	IP_MAX_SOURCE_FILTER              = 0x400
+	IP_MIN_MEMBERSHIPS                = 0x1f
 	MAP_NORESERVE                     = 0x40
 	MAP_RENAME                        = 0x20
 	NET_RT_MAXID                      = 0x6
 	RTF_PRCLONING                     = 0x10000
 	RTM_OLDADD                        = 0x9
 	RTM_OLDDEL                        = 0xa
+	RT_CACHING_CONTEXT                = 0x1
+	RT_NORTREF                        = 0x2
 	SIOCADDRT                         = 0x8030720a
 	SIOCALIFADDR                      = 0x8118691b
 	SIOCDELRT                         = 0x8030720b

vendor/golang.org/x/sys/unix/errors_freebsd_amd64.go

@@ -8,6 +8,7 @@
 package unix
 
 const (
+	DLT_HHDLC                         = 0x79
 	IFF_SMART                         = 0x20
 	IFT_1822                          = 0x2
 	IFT_A12MPPSWITCH                  = 0x82
@@ -210,13 +211,18 @@ const (
 	IFT_XETHER                        = 0x1a
 	IPPROTO_MAXID                     = 0x34
 	IPV6_FAITH                        = 0x1d
+	IPV6_MIN_MEMBERSHIPS              = 0x1f
 	IP_FAITH                          = 0x16
+	IP_MAX_SOURCE_FILTER              = 0x400
+	IP_MIN_MEMBERSHIPS                = 0x1f
 	MAP_NORESERVE                     = 0x40
 	MAP_RENAME                        = 0x20
 	NET_RT_MAXID                      = 0x6
 	RTF_PRCLONING                     = 0x10000
 	RTM_OLDADD                        = 0x9
 	RTM_OLDDEL                        = 0xa
+	RT_CACHING_CONTEXT                = 0x1
+	RT_NORTREF                        = 0x2
 	SIOCADDRT                         = 0x8040720a
 	SIOCALIFADDR                      = 0x8118691b
 	SIOCDELRT                         = 0x8040720b

vendor/golang.org/x/sys/unix/errors_freebsd_arm64.go

@@ -0,0 +1,17 @@
+// Copyright 2020 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.
+
+// Constants that were deprecated or moved to enums in the FreeBSD headers. Keep
+// them here for backwards compatibility.
+
+package unix
+
+const (
+	DLT_HHDLC            = 0x79
+	IPV6_MIN_MEMBERSHIPS = 0x1f
+	IP_MAX_SOURCE_FILTER = 0x400
+	IP_MIN_MEMBERSHIPS   = 0x1f
+	RT_CACHING_CONTEXT   = 0x1
+	RT_NORTREF           = 0x2
+)

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

@@ -1,9 +0,0 @@
-// Copyright 2015 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 dragonfly freebsd linux netbsd openbsd solaris
-
-package unix
-
-var Itoa = itoa

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

@@ -2,16 +2,30 @@
 // 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
 
 import "unsafe"
 
 // fcntl64Syscall is usually SYS_FCNTL, but is overridden on 32-bit Linux
-// systems by flock_linux_32bit.go to be SYS_FCNTL64.
+// systems by fcntl_linux_32bit.go to be SYS_FCNTL64.
 var fcntl64Syscall uintptr = SYS_FCNTL
 
+func fcntl(fd int, cmd, arg int) (int, error) {
+	valptr, _, errno := Syscall(fcntl64Syscall, uintptr(fd), uintptr(cmd), uintptr(arg))
+	var err error
+	if errno != 0 {
+		err = errno
+	}
+	return int(valptr), err
+}
+
+// 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 {
 	_, _, errno := Syscall(fcntl64Syscall, fd, uintptr(cmd), uintptr(unsafe.Pointer(lk)))

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/fdset.go

@@ -0,0 +1,29 @@
+// 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 aix darwin dragonfly freebsd linux netbsd openbsd solaris
+
+package unix
+
+// Set adds fd to the set fds.
+func (fds *FdSet) Set(fd int) {
+	fds.Bits[fd/NFDBITS] |= (1 << (uintptr(fd) % NFDBITS))
+}
+
+// Clear removes fd from the set fds.
+func (fds *FdSet) Clear(fd int) {
+	fds.Bits[fd/NFDBITS] &^= (1 << (uintptr(fd) % NFDBITS))
+}
+
+// IsSet returns whether fd is in the set fds.
+func (fds *FdSet) IsSet(fd int) bool {
+	return fds.Bits[fd/NFDBITS]&(1<<(uintptr(fd)%NFDBITS)) != 0
+}
+
+// Zero clears the set fds.
+func (fds *FdSet) Zero() {
+	for i := range fds.Bits {
+		fds.Bits[i] = 0
+	}
+}

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

@@ -3,6 +3,7 @@
 // license that can be found in the LICENSE file.
 
 // +build gccgo
+// +build !aix
 
 package unix
 

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

@@ -0,0 +1,65 @@
+// 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
+
+import (
+	"runtime"
+	"unsafe"
+)
+
+// ioctl itself should not be exposed directly, but additional get/set
+// functions for specific types are permissible.
+
+// IoctlSetInt performs an ioctl operation which sets an integer value
+// on fd, using the specified request number.
+func IoctlSetInt(fd int, req uint, value int) error {
+	return ioctl(fd, req, uintptr(value))
+}
+
+// IoctlSetWinsize performs an ioctl on fd with a *Winsize argument.
+//
+// To change fd's window size, the req argument should be TIOCSWINSZ.
+func IoctlSetWinsize(fd int, req uint, value *Winsize) error {
+	// TODO: if we get the chance, remove the req parameter and
+	// hardcode TIOCSWINSZ.
+	err := ioctl(fd, req, uintptr(unsafe.Pointer(value)))
+	runtime.KeepAlive(value)
+	return err
+}
+
+// IoctlSetTermios performs an ioctl on fd with a *Termios.
+//
+// The req value will usually be TCSETA or TIOCSETA.
+func IoctlSetTermios(fd int, req uint, value *Termios) error {
+	// TODO: if we get the chance, remove the req parameter.
+	err := ioctl(fd, req, uintptr(unsafe.Pointer(value)))
+	runtime.KeepAlive(value)
+	return err
+}
+
+// IoctlGetInt performs an ioctl operation which gets an integer value
+// from fd, using the specified request number.
+//
+// A few ioctl requests use the return value as an output parameter;
+// for those, IoctlRetInt should be used instead of this function.
+func IoctlGetInt(fd int, req uint) (int, error) {
+	var value int
+	err := ioctl(fd, req, uintptr(unsafe.Pointer(&value)))
+	return value, err
+}
+
+func IoctlGetWinsize(fd int, req uint) (*Winsize, error) {
+	var value Winsize
+	err := ioctl(fd, req, uintptr(unsafe.Pointer(&value)))
+	return &value, err
+}
+
+func IoctlGetTermios(fd int, req uint) (*Termios, error) {
+	var value Termios
+	err := ioctl(fd, req, uintptr(unsafe.Pointer(&value)))
+	return &value, err
+}

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

@@ -1,482 +0,0 @@
-// Copyright 2017 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.
-
-// linux/mkall.go - Generates all Linux zsysnum, zsyscall, zerror, and ztype
-// files for all 11 linux architectures supported by the go compiler. See
-// README.md for more information about the build system.
-
-// To run it you must have a git checkout of the Linux kernel and glibc. Once
-// the appropriate sources are ready, the program is run as:
-//     go run linux/mkall.go <linux_dir> <glibc_dir>
-
-// +build ignore
-
-package main
-
-import (
-	"bufio"
-	"bytes"
-	"fmt"
-	"io"
-	"io/ioutil"
-	"os"
-	"os/exec"
-	"path/filepath"
-	"runtime"
-	"strings"
-	"unicode"
-)
-
-// These will be paths to the appropriate source directories.
-var LinuxDir string
-var GlibcDir string
-
-const TempDir = "/tmp"
-const IncludeDir = TempDir + "/include" // To hold our C headers
-const BuildDir = TempDir + "/build"     // To hold intermediate build files
-
-const GOOS = "linux"       // Only for Linux targets
-const BuildArch = "amd64"  // Must be built on this architecture
-const MinKernel = "2.6.23" // https://golang.org/doc/install#requirements
-
-type target struct {
-	GoArch     string // Architecture name according to Go
-	LinuxArch  string // Architecture name according to the Linux Kernel
-	GNUArch    string // Architecture name according to GNU tools (https://wiki.debian.org/Multiarch/Tuples)
-	BigEndian  bool   // Default Little Endian
-	SignedChar bool   // Is -fsigned-char needed (default no)
-	Bits       int
-}
-
-// List of the 11 Linux targets supported by the go compiler. sparc64 is not
-// currently supported, though a port is in progress.
-var targets = []target{
-	{
-		GoArch:    "386",
-		LinuxArch: "x86",
-		GNUArch:   "i686-linux-gnu", // Note "i686" not "i386"
-		Bits:      32,
-	},
-	{
-		GoArch:    "amd64",
-		LinuxArch: "x86",
-		GNUArch:   "x86_64-linux-gnu",
-		Bits:      64,
-	},
-	{
-		GoArch:     "arm64",
-		LinuxArch:  "arm64",
-		GNUArch:    "aarch64-linux-gnu",
-		SignedChar: true,
-		Bits:       64,
-	},
-	{
-		GoArch:    "arm",
-		LinuxArch: "arm",
-		GNUArch:   "arm-linux-gnueabi",
-		Bits:      32,
-	},
-	{
-		GoArch:    "mips",
-		LinuxArch: "mips",
-		GNUArch:   "mips-linux-gnu",
-		BigEndian: true,
-		Bits:      32,
-	},
-	{
-		GoArch:    "mipsle",
-		LinuxArch: "mips",
-		GNUArch:   "mipsel-linux-gnu",
-		Bits:      32,
-	},
-	{
-		GoArch:    "mips64",
-		LinuxArch: "mips",
-		GNUArch:   "mips64-linux-gnuabi64",
-		BigEndian: true,
-		Bits:      64,
-	},
-	{
-		GoArch:    "mips64le",
-		LinuxArch: "mips",
-		GNUArch:   "mips64el-linux-gnuabi64",
-		Bits:      64,
-	},
-	{
-		GoArch:    "ppc64",
-		LinuxArch: "powerpc",
-		GNUArch:   "powerpc64-linux-gnu",
-		BigEndian: true,
-		Bits:      64,
-	},
-	{
-		GoArch:    "ppc64le",
-		LinuxArch: "powerpc",
-		GNUArch:   "powerpc64le-linux-gnu",
-		Bits:      64,
-	},
-	{
-		GoArch:     "s390x",
-		LinuxArch:  "s390",
-		GNUArch:    "s390x-linux-gnu",
-		BigEndian:  true,
-		SignedChar: 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,
-// run each other's binaries.
-var ptracePairs = []struct{ a1, a2 string }{
-	{"386", "amd64"},
-	{"arm", "arm64"},
-	{"mips", "mips64"},
-	{"mipsle", "mips64le"},
-}
-
-func main() {
-	if runtime.GOOS != GOOS || runtime.GOARCH != BuildArch {
-		fmt.Printf("Build system has GOOS_GOARCH = %s_%s, need %s_%s\n",
-			runtime.GOOS, runtime.GOARCH, GOOS, BuildArch)
-		return
-	}
-
-	// Check that we are using the new build system if we should
-	if os.Getenv("GOLANG_SYS_BUILD") != "docker" {
-		fmt.Println("In the new build system, mkall.go should not be called directly.")
-		fmt.Println("See README.md")
-		return
-	}
-
-	// Parse the command line options
-	if len(os.Args) != 3 {
-		fmt.Println("USAGE: go run linux/mkall.go <linux_dir> <glibc_dir>")
-		return
-	}
-	LinuxDir = os.Args[1]
-	GlibcDir = os.Args[2]
-
-	for _, t := range targets {
-		fmt.Printf("----- GENERATING: %s -----\n", t.GoArch)
-		if err := t.generateFiles(); err != nil {
-			fmt.Printf("%v\n***** FAILURE:    %s *****\n\n", err, t.GoArch)
-		} else {
-			fmt.Printf("----- SUCCESS:    %s -----\n\n", t.GoArch)
-		}
-	}
-
-	fmt.Printf("----- GENERATING ptrace pairs -----\n")
-	ok := true
-	for _, p := range ptracePairs {
-		if err := generatePtracePair(p.a1, p.a2); err != nil {
-			fmt.Printf("%v\n***** FAILURE: %s/%s *****\n\n", err, p.a1, p.a2)
-			ok = false
-		}
-	}
-	if ok {
-		fmt.Printf("----- SUCCESS ptrace pairs    -----\n\n")
-	}
-}
-
-// Makes an exec.Cmd with Stderr attached to os.Stderr
-func makeCommand(name string, args ...string) *exec.Cmd {
-	cmd := exec.Command(name, args...)
-	cmd.Stderr = os.Stderr
-	return cmd
-}
-
-// Runs the command, pipes output to a formatter, pipes that to an output file.
-func (t *target) commandFormatOutput(formatter string, outputFile string,
-	name string, args ...string) (err error) {
-	mainCmd := makeCommand(name, args...)
-
-	fmtCmd := makeCommand(formatter)
-	if formatter == "mkpost" {
-		fmtCmd = makeCommand("go", "run", "mkpost.go")
-		// Set GOARCH_TARGET so mkpost knows what GOARCH is..
-		fmtCmd.Env = append(os.Environ(), "GOARCH_TARGET="+t.GoArch)
-		// Set GOARCH to host arch for mkpost, so it can run natively.
-		for i, s := range fmtCmd.Env {
-			if strings.HasPrefix(s, "GOARCH=") {
-				fmtCmd.Env[i] = "GOARCH=" + BuildArch
-			}
-		}
-	}
-
-	// mainCmd | fmtCmd > outputFile
-	if fmtCmd.Stdin, err = mainCmd.StdoutPipe(); err != nil {
-		return
-	}
-	if fmtCmd.Stdout, err = os.Create(outputFile); err != nil {
-		return
-	}
-
-	// Make sure the formatter eventually closes
-	if err = fmtCmd.Start(); err != nil {
-		return
-	}
-	defer func() {
-		fmtErr := fmtCmd.Wait()
-		if err == nil {
-			err = fmtErr
-		}
-	}()
-
-	return mainCmd.Run()
-}
-
-// Generates all the files for a Linux target
-func (t *target) generateFiles() error {
-	// Setup environment variables
-	os.Setenv("GOOS", GOOS)
-	os.Setenv("GOARCH", t.GoArch)
-
-	// Get appropriate compiler and emulator (unless on x86)
-	if t.LinuxArch != "x86" {
-		// Check/Setup cross compiler
-		compiler := t.GNUArch + "-gcc"
-		if _, err := exec.LookPath(compiler); err != nil {
-			return err
-		}
-		os.Setenv("CC", compiler)
-
-		// Check/Setup emulator (usually first component of GNUArch)
-		qemuArchName := t.GNUArch[:strings.Index(t.GNUArch, "-")]
-		if t.LinuxArch == "powerpc" {
-			qemuArchName = t.GoArch
-		}
-		os.Setenv("GORUN", "qemu-"+qemuArchName)
-	} else {
-		os.Setenv("CC", "gcc")
-	}
-
-	// Make the include directory and fill it with headers
-	if err := os.MkdirAll(IncludeDir, os.ModePerm); err != nil {
-		return err
-	}
-	defer os.RemoveAll(IncludeDir)
-	if err := t.makeHeaders(); err != nil {
-		return fmt.Errorf("could not make header files: %v", err)
-	}
-	fmt.Println("header files generated")
-
-	// Make each of the four files
-	if err := t.makeZSysnumFile(); err != nil {
-		return fmt.Errorf("could not make zsysnum file: %v", err)
-	}
-	fmt.Println("zsysnum file generated")
-
-	if err := t.makeZSyscallFile(); err != nil {
-		return fmt.Errorf("could not make zsyscall file: %v", err)
-	}
-	fmt.Println("zsyscall file generated")
-
-	if err := t.makeZTypesFile(); err != nil {
-		return fmt.Errorf("could not make ztypes file: %v", err)
-	}
-	fmt.Println("ztypes file generated")
-
-	if err := t.makeZErrorsFile(); err != nil {
-		return fmt.Errorf("could not make zerrors file: %v", err)
-	}
-	fmt.Println("zerrors file generated")
-
-	return nil
-}
-
-// Create the Linux and glibc headers in the include directory.
-func (t *target) makeHeaders() error {
-	// Make the Linux headers we need for this architecture
-	linuxMake := makeCommand("make", "headers_install", "ARCH="+t.LinuxArch, "INSTALL_HDR_PATH="+TempDir)
-	linuxMake.Dir = LinuxDir
-	if err := linuxMake.Run(); err != nil {
-		return err
-	}
-
-	// A Temporary build directory for glibc
-	if err := os.MkdirAll(BuildDir, os.ModePerm); err != nil {
-		return err
-	}
-	defer os.RemoveAll(BuildDir)
-
-	// Make the glibc headers we need for this architecture
-	confScript := filepath.Join(GlibcDir, "configure")
-	glibcConf := makeCommand(confScript, "--prefix="+TempDir, "--host="+t.GNUArch, "--enable-kernel="+MinKernel)
-	glibcConf.Dir = BuildDir
-	if err := glibcConf.Run(); err != nil {
-		return err
-	}
-	glibcMake := makeCommand("make", "install-headers")
-	glibcMake.Dir = BuildDir
-	if err := glibcMake.Run(); err != nil {
-		return err
-	}
-	// We only need an empty stubs file
-	stubsFile := filepath.Join(IncludeDir, "gnu/stubs.h")
-	if file, err := os.Create(stubsFile); err != nil {
-		return err
-	} else {
-		file.Close()
-	}
-
-	return nil
-}
-
-// makes the zsysnum_linux_$GOARCH.go file
-func (t *target) makeZSysnumFile() error {
-	zsysnumFile := fmt.Sprintf("zsysnum_linux_%s.go", t.GoArch)
-	unistdFile := filepath.Join(IncludeDir, "asm/unistd.h")
-
-	args := append(t.cFlags(), unistdFile)
-	return t.commandFormatOutput("gofmt", zsysnumFile, "linux/mksysnum.pl", args...)
-}
-
-// makes the zsyscall_linux_$GOARCH.go file
-func (t *target) makeZSyscallFile() error {
-	zsyscallFile := fmt.Sprintf("zsyscall_linux_%s.go", t.GoArch)
-	// Find the correct architecture syscall file (might end with x.go)
-	archSyscallFile := fmt.Sprintf("syscall_linux_%s.go", t.GoArch)
-	if _, err := os.Stat(archSyscallFile); os.IsNotExist(err) {
-		shortArch := strings.TrimSuffix(t.GoArch, "le")
-		archSyscallFile = fmt.Sprintf("syscall_linux_%sx.go", shortArch)
-	}
-
-	args := append(t.mksyscallFlags(), "-tags", "linux,"+t.GoArch,
-		"syscall_linux.go", archSyscallFile)
-	return t.commandFormatOutput("gofmt", zsyscallFile, "./mksyscall.pl", args...)
-}
-
-// makes the zerrors_linux_$GOARCH.go file
-func (t *target) makeZErrorsFile() error {
-	zerrorsFile := fmt.Sprintf("zerrors_linux_%s.go", t.GoArch)
-
-	return t.commandFormatOutput("gofmt", zerrorsFile, "./mkerrors.sh", t.cFlags()...)
-}
-
-// makes the ztypes_linux_$GOARCH.go file
-func (t *target) makeZTypesFile() error {
-	ztypesFile := fmt.Sprintf("ztypes_linux_%s.go", t.GoArch)
-
-	args := []string{"tool", "cgo", "-godefs", "--"}
-	args = append(args, t.cFlags()...)
-	args = append(args, "linux/types.go")
-	return t.commandFormatOutput("mkpost", ztypesFile, "go", args...)
-}
-
-// Flags that should be given to gcc and cgo for this target
-func (t *target) cFlags() []string {
-	// Compile statically to avoid cross-architecture dynamic linking.
-	flags := []string{"-Wall", "-Werror", "-static", "-I" + IncludeDir}
-
-	// Architecture-specific flags
-	if t.SignedChar {
-		flags = append(flags, "-fsigned-char")
-	}
-	if t.LinuxArch == "x86" {
-		flags = append(flags, fmt.Sprintf("-m%d", t.Bits))
-	}
-
-	return flags
-}
-
-// Flags that should be given to mksyscall for this target
-func (t *target) mksyscallFlags() (flags []string) {
-	if t.Bits == 32 {
-		if t.BigEndian {
-			flags = append(flags, "-b32")
-		} else {
-			flags = append(flags, "-l32")
-		}
-	}
-
-	// This flag menas a 64-bit value should use (even, odd)-pair.
-	if t.GoArch == "arm" || (t.LinuxArch == "mips" && t.Bits == 32) {
-		flags = append(flags, "-arm")
-	}
-	return
-}
-
-// generatePtracePair takes a pair of GOARCH values that can run each
-// other's binaries, such as 386 and amd64. It extracts the PtraceRegs
-// type for each one. It writes a new file defining the types
-// PtraceRegsArch1 and PtraceRegsArch2 and the corresponding functions
-// Ptrace{Get,Set}Regs{arch1,arch2}. This permits debugging the other
-// binary on a native system.
-func generatePtracePair(arch1, arch2 string) error {
-	def1, err := ptraceDef(arch1)
-	if err != nil {
-		return err
-	}
-	def2, err := ptraceDef(arch2)
-	if err != nil {
-		return err
-	}
-	f, err := os.Create(fmt.Sprintf("zptrace%s_linux.go", arch1))
-	if err != nil {
-		return err
-	}
-	buf := bufio.NewWriter(f)
-	fmt.Fprintf(buf, "// Code generated by linux/mkall.go generatePtracePair(%s, %s). DO NOT EDIT.\n", arch1, arch2)
-	fmt.Fprintf(buf, "\n")
-	fmt.Fprintf(buf, "// +build linux\n")
-	fmt.Fprintf(buf, "// +build %s %s\n", arch1, arch2)
-	fmt.Fprintf(buf, "\n")
-	fmt.Fprintf(buf, "package unix\n")
-	fmt.Fprintf(buf, "\n")
-	fmt.Fprintf(buf, "%s\n", `import "unsafe"`)
-	fmt.Fprintf(buf, "\n")
-	writeOnePtrace(buf, arch1, def1)
-	fmt.Fprintf(buf, "\n")
-	writeOnePtrace(buf, arch2, def2)
-	if err := buf.Flush(); err != nil {
-		return err
-	}
-	if err := f.Close(); err != nil {
-		return err
-	}
-	return nil
-}
-
-// ptraceDef returns the definition of PtraceRegs for arch.
-func ptraceDef(arch string) (string, error) {
-	filename := fmt.Sprintf("ztypes_linux_%s.go", arch)
-	data, err := ioutil.ReadFile(filename)
-	if err != nil {
-		return "", fmt.Errorf("reading %s: %v", filename, err)
-	}
-	start := bytes.Index(data, []byte("type PtraceRegs struct"))
-	if start < 0 {
-		return "", fmt.Errorf("%s: no definition of PtraceRegs", filename)
-	}
-	data = data[start:]
-	end := bytes.Index(data, []byte("\n}\n"))
-	if end < 0 {
-		return "", fmt.Errorf("%s: can't find end of PtraceRegs definition", filename)
-	}
-	return string(data[:end+2]), nil
-}
-
-// writeOnePtrace writes out the ptrace definitions for arch.
-func writeOnePtrace(w io.Writer, arch, def string) {
-	uarch := string(unicode.ToUpper(rune(arch[0]))) + arch[1:]
-	fmt.Fprintf(w, "// PtraceRegs%s is the registers used by %s binaries.\n", uarch, arch)
-	fmt.Fprintf(w, "%s\n", strings.Replace(def, "PtraceRegs", "PtraceRegs"+uarch, 1))
-	fmt.Fprintf(w, "\n")
-	fmt.Fprintf(w, "// PtraceGetRegs%s fetches the registers used by %s binaries.\n", uarch, arch)
-	fmt.Fprintf(w, "func PtraceGetRegs%s(pid int, regsout *PtraceRegs%s) error {\n", uarch, uarch)
-	fmt.Fprintf(w, "\treturn ptrace(PTRACE_GETREGS, pid, 0, uintptr(unsafe.Pointer(regsout)))\n")
-	fmt.Fprintf(w, "}\n")
-	fmt.Fprintf(w, "\n")
-	fmt.Fprintf(w, "// PtraceSetRegs%s sets the registers used by %s binaries.\n", uarch, arch)
-	fmt.Fprintf(w, "func PtraceSetRegs%s(pid int, regs *PtraceRegs%s) error {\n", uarch, uarch)
-	fmt.Fprintf(w, "\treturn ptrace(PTRACE_SETREGS, pid, 0, uintptr(unsafe.Pointer(regs)))\n")
-	fmt.Fprintf(w, "}\n")
-}

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

@@ -1,670 +0,0 @@
-// 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.
-
-// +build ignore
-
-/*
-Input to cgo -godefs.  See README.md
-*/
-
-// +godefs map struct_in_addr [4]byte /* in_addr */
-// +godefs map struct_in6_addr [16]byte /* in6_addr */
-
-package unix
-
-/*
-#define _LARGEFILE_SOURCE
-#define _LARGEFILE64_SOURCE
-#define _FILE_OFFSET_BITS 64
-#define _GNU_SOURCE
-
-#include <dirent.h>
-#include <netinet/in.h>
-#include <netinet/tcp.h>
-#include <netpacket/packet.h>
-#include <poll.h>
-#include <sched.h>
-#include <signal.h>
-#include <stdio.h>
-#include <sys/epoll.h>
-#include <sys/inotify.h>
-#include <sys/ioctl.h>
-#include <sys/mman.h>
-#include <sys/mount.h>
-#include <sys/param.h>
-#include <sys/ptrace.h>
-#include <sys/resource.h>
-#include <sys/select.h>
-#include <sys/signal.h>
-#include <sys/statfs.h>
-#include <sys/sysinfo.h>
-#include <sys/time.h>
-#include <sys/times.h>
-#include <sys/timex.h>
-#include <sys/un.h>
-#include <sys/user.h>
-#include <sys/utsname.h>
-#include <sys/wait.h>
-#include <linux/filter.h>
-#include <linux/icmpv6.h>
-#include <linux/keyctl.h>
-#include <linux/netlink.h>
-#include <linux/perf_event.h>
-#include <linux/rtnetlink.h>
-#include <linux/stat.h>
-#include <asm/termbits.h>
-#include <asm/ptrace.h>
-#include <time.h>
-#include <unistd.h>
-#include <ustat.h>
-#include <utime.h>
-#include <linux/can.h>
-#include <linux/if_alg.h>
-#include <linux/fs.h>
-#include <linux/vm_sockets.h>
-#include <linux/random.h>
-#include <linux/taskstats.h>
-#include <linux/cgroupstats.h>
-#include <linux/genetlink.h>
-
-// On mips64, the glibc stat and kernel stat do not agree
-#if (defined(__mips__) && _MIPS_SIM == _MIPS_SIM_ABI64)
-
-// Use the stat defined by the kernel with a few modifications. These are:
-//	* The time fields (like st_atime and st_atimensec) use the timespec
-//	  struct (like st_atim) for consitancy with the glibc fields.
-//	* The padding fields get different names to not break compatibility.
-//	* st_blocks is signed, again for compatibility.
-struct stat {
-	unsigned int		st_dev;
-	unsigned int		st_pad1[3]; // Reserved for st_dev expansion
-
-	unsigned long		st_ino;
-
-	mode_t			st_mode;
-	__u32			st_nlink;
-
-	uid_t			st_uid;
-	gid_t			st_gid;
-
-	unsigned int		st_rdev;
-	unsigned int		st_pad2[3]; // Reserved for st_rdev expansion
-
-	off_t			st_size;
-
-	// These are declared as speperate fields in the kernel. Here we use
-	// the timespec struct for consistancy with the other stat structs.
-	struct timespec		st_atim;
-	struct timespec		st_mtim;
-	struct timespec		st_ctim;
-
-	unsigned int		st_blksize;
-	unsigned int		st_pad4;
-
-	long			st_blocks;
-};
-
-// These are needed because we do not include fcntl.h or sys/types.h
-#include <linux/fcntl.h>
-#include <linux/fadvise.h>
-
-#else
-
-// Use the stat defined by glibc
-#include <fcntl.h>
-#include <sys/types.h>
-
-#endif
-
-// These are defined in linux/fcntl.h, but including it globally causes
-// conflicts with fcntl.h
-#ifndef AT_STATX_SYNC_TYPE
-# define AT_STATX_SYNC_TYPE	0x6000	// Type of synchronisation required from statx()
-#endif
-#ifndef AT_STATX_SYNC_AS_STAT
-# define AT_STATX_SYNC_AS_STAT	0x0000	// - Do whatever stat() does
-#endif
-#ifndef AT_STATX_FORCE_SYNC
-# define AT_STATX_FORCE_SYNC	0x2000	// - Force the attributes to be sync'd with the server
-#endif
-#ifndef AT_STATX_DONT_SYNC
-# define AT_STATX_DONT_SYNC	0x4000	// - Don't sync attributes with the server
-#endif
-
-#ifdef TCSETS2
-// On systems that have "struct termios2" use this as type Termios.
-typedef struct termios2 termios_t;
-#else
-typedef struct termios termios_t;
-#endif
-
-enum {
-	sizeofPtr = sizeof(void*),
-};
-
-union sockaddr_all {
-	struct sockaddr s1;	// this one gets used for fields
-	struct sockaddr_in s2;	// these pad it out
-	struct sockaddr_in6 s3;
-	struct sockaddr_un s4;
-	struct sockaddr_ll s5;
-	struct sockaddr_nl s6;
-};
-
-struct sockaddr_any {
-	struct sockaddr addr;
-	char pad[sizeof(union sockaddr_all) - sizeof(struct sockaddr)];
-};
-
-// copied from /usr/include/bluetooth/hci.h
-struct sockaddr_hci {
-        sa_family_t     hci_family;
-        unsigned short  hci_dev;
-        unsigned short  hci_channel;
-};
-
-// copied from /usr/include/bluetooth/bluetooth.h
-#define BDADDR_BREDR           0x00
-#define BDADDR_LE_PUBLIC       0x01
-#define BDADDR_LE_RANDOM       0x02
-
-// copied from /usr/include/bluetooth/l2cap.h
-struct sockaddr_l2 {
-	sa_family_t	l2_family;
-	unsigned short	l2_psm;
-	uint8_t		l2_bdaddr[6];
-	unsigned short	l2_cid;
-	uint8_t		l2_bdaddr_type;
-};
-
-// copied from /usr/include/linux/un.h
-struct my_sockaddr_un {
-	sa_family_t sun_family;
-#if defined(__ARM_EABI__) || defined(__powerpc64__)
-	// on ARM char is by default unsigned
-	signed char sun_path[108];
-#else
-	char sun_path[108];
-#endif
-};
-
-#ifdef __ARM_EABI__
-typedef struct user_regs PtraceRegs;
-#elif defined(__aarch64__)
-typedef struct user_pt_regs PtraceRegs;
-#elif defined(__mips__) || defined(__powerpc64__)
-typedef struct pt_regs PtraceRegs;
-#elif defined(__s390x__)
-typedef struct _user_regs_struct PtraceRegs;
-#elif defined(__sparc__)
-#include <asm/ptrace.h>
-typedef struct pt_regs PtraceRegs;
-#else
-typedef struct user_regs_struct PtraceRegs;
-#endif
-
-#if defined(__s390x__)
-typedef struct _user_psw_struct ptracePsw;
-typedef struct _user_fpregs_struct ptraceFpregs;
-typedef struct _user_per_struct ptracePer;
-#else
-typedef struct {} ptracePsw;
-typedef struct {} ptraceFpregs;
-typedef struct {} ptracePer;
-#endif
-
-// The real epoll_event is a union, and godefs doesn't handle it well.
-struct my_epoll_event {
-	uint32_t events;
-#if defined(__ARM_EABI__) || defined(__aarch64__) || (defined(__mips__) && _MIPS_SIM == _ABIO32)
-	// padding is not specified in linux/eventpoll.h but added to conform to the
-	// alignment requirements of EABI
-	int32_t padFd;
-#elif defined(__powerpc64__) || defined(__s390x__) || defined(__sparc__)
-	int32_t _padFd;
-#endif
-	int32_t fd;
-	int32_t pad;
-};
-
-*/
-import "C"
-
-// Machine characteristics; for internal use.
-
-const (
-	sizeofPtr      = C.sizeofPtr
-	sizeofShort    = C.sizeof_short
-	sizeofInt      = C.sizeof_int
-	sizeofLong     = C.sizeof_long
-	sizeofLongLong = C.sizeof_longlong
-	PathMax        = C.PATH_MAX
-)
-
-// Basic types
-
-type (
-	_C_short     C.short
-	_C_int       C.int
-	_C_long      C.long
-	_C_long_long C.longlong
-)
-
-// Time
-
-type Timespec C.struct_timespec
-
-type Timeval C.struct_timeval
-
-type Timex C.struct_timex
-
-type Time_t C.time_t
-
-type Tms C.struct_tms
-
-type Utimbuf C.struct_utimbuf
-
-// Processes
-
-type Rusage C.struct_rusage
-
-type Rlimit C.struct_rlimit
-
-type _Gid_t C.gid_t
-
-// Files
-
-type Stat_t C.struct_stat
-
-type Statfs_t C.struct_statfs
-
-type StatxTimestamp C.struct_statx_timestamp
-
-type Statx_t C.struct_statx
-
-type Dirent C.struct_dirent
-
-type Fsid C.fsid_t
-
-type Flock_t C.struct_flock
-
-// Filesystem Encryption
-
-type FscryptPolicy C.struct_fscrypt_policy
-
-type FscryptKey C.struct_fscrypt_key
-
-// Structure for Keyctl
-
-type KeyctlDHParams C.struct_keyctl_dh_params
-
-// Advice to Fadvise
-
-const (
-	FADV_NORMAL     = C.POSIX_FADV_NORMAL
-	FADV_RANDOM     = C.POSIX_FADV_RANDOM
-	FADV_SEQUENTIAL = C.POSIX_FADV_SEQUENTIAL
-	FADV_WILLNEED   = C.POSIX_FADV_WILLNEED
-	FADV_DONTNEED   = C.POSIX_FADV_DONTNEED
-	FADV_NOREUSE    = C.POSIX_FADV_NOREUSE
-)
-
-// Sockets
-
-type RawSockaddrInet4 C.struct_sockaddr_in
-
-type RawSockaddrInet6 C.struct_sockaddr_in6
-
-type RawSockaddrUnix C.struct_my_sockaddr_un
-
-type RawSockaddrLinklayer C.struct_sockaddr_ll
-
-type RawSockaddrNetlink C.struct_sockaddr_nl
-
-type RawSockaddrHCI C.struct_sockaddr_hci
-
-type RawSockaddrL2 C.struct_sockaddr_l2
-
-type RawSockaddrCAN C.struct_sockaddr_can
-
-type RawSockaddrALG C.struct_sockaddr_alg
-
-type RawSockaddrVM C.struct_sockaddr_vm
-
-type RawSockaddr C.struct_sockaddr
-
-type RawSockaddrAny C.struct_sockaddr_any
-
-type _Socklen C.socklen_t
-
-type Linger C.struct_linger
-
-type Iovec C.struct_iovec
-
-type IPMreq C.struct_ip_mreq
-
-type IPMreqn C.struct_ip_mreqn
-
-type IPv6Mreq C.struct_ipv6_mreq
-
-type PacketMreq C.struct_packet_mreq
-
-type Msghdr C.struct_msghdr
-
-type Cmsghdr C.struct_cmsghdr
-
-type Inet4Pktinfo C.struct_in_pktinfo
-
-type Inet6Pktinfo C.struct_in6_pktinfo
-
-type IPv6MTUInfo C.struct_ip6_mtuinfo
-
-type ICMPv6Filter C.struct_icmp6_filter
-
-type Ucred C.struct_ucred
-
-type TCPInfo C.struct_tcp_info
-
-const (
-	SizeofSockaddrInet4     = C.sizeof_struct_sockaddr_in
-	SizeofSockaddrInet6     = C.sizeof_struct_sockaddr_in6
-	SizeofSockaddrAny       = C.sizeof_struct_sockaddr_any
-	SizeofSockaddrUnix      = C.sizeof_struct_sockaddr_un
-	SizeofSockaddrLinklayer = C.sizeof_struct_sockaddr_ll
-	SizeofSockaddrNetlink   = C.sizeof_struct_sockaddr_nl
-	SizeofSockaddrHCI       = C.sizeof_struct_sockaddr_hci
-	SizeofSockaddrL2        = C.sizeof_struct_sockaddr_l2
-	SizeofSockaddrCAN       = C.sizeof_struct_sockaddr_can
-	SizeofSockaddrALG       = C.sizeof_struct_sockaddr_alg
-	SizeofSockaddrVM        = C.sizeof_struct_sockaddr_vm
-	SizeofLinger            = C.sizeof_struct_linger
-	SizeofIovec             = C.sizeof_struct_iovec
-	SizeofIPMreq            = C.sizeof_struct_ip_mreq
-	SizeofIPMreqn           = C.sizeof_struct_ip_mreqn
-	SizeofIPv6Mreq          = C.sizeof_struct_ipv6_mreq
-	SizeofPacketMreq        = C.sizeof_struct_packet_mreq
-	SizeofMsghdr            = C.sizeof_struct_msghdr
-	SizeofCmsghdr           = C.sizeof_struct_cmsghdr
-	SizeofInet4Pktinfo      = C.sizeof_struct_in_pktinfo
-	SizeofInet6Pktinfo      = C.sizeof_struct_in6_pktinfo
-	SizeofIPv6MTUInfo       = C.sizeof_struct_ip6_mtuinfo
-	SizeofICMPv6Filter      = C.sizeof_struct_icmp6_filter
-	SizeofUcred             = C.sizeof_struct_ucred
-	SizeofTCPInfo           = C.sizeof_struct_tcp_info
-)
-
-// Netlink routing and interface messages
-
-const (
-	IFA_UNSPEC          = C.IFA_UNSPEC
-	IFA_ADDRESS         = C.IFA_ADDRESS
-	IFA_LOCAL           = C.IFA_LOCAL
-	IFA_LABEL           = C.IFA_LABEL
-	IFA_BROADCAST       = C.IFA_BROADCAST
-	IFA_ANYCAST         = C.IFA_ANYCAST
-	IFA_CACHEINFO       = C.IFA_CACHEINFO
-	IFA_MULTICAST       = C.IFA_MULTICAST
-	IFLA_UNSPEC         = C.IFLA_UNSPEC
-	IFLA_ADDRESS        = C.IFLA_ADDRESS
-	IFLA_BROADCAST      = C.IFLA_BROADCAST
-	IFLA_IFNAME         = C.IFLA_IFNAME
-	IFLA_MTU            = C.IFLA_MTU
-	IFLA_LINK           = C.IFLA_LINK
-	IFLA_QDISC          = C.IFLA_QDISC
-	IFLA_STATS          = C.IFLA_STATS
-	IFLA_COST           = C.IFLA_COST
-	IFLA_PRIORITY       = C.IFLA_PRIORITY
-	IFLA_MASTER         = C.IFLA_MASTER
-	IFLA_WIRELESS       = C.IFLA_WIRELESS
-	IFLA_PROTINFO       = C.IFLA_PROTINFO
-	IFLA_TXQLEN         = C.IFLA_TXQLEN
-	IFLA_MAP            = C.IFLA_MAP
-	IFLA_WEIGHT         = C.IFLA_WEIGHT
-	IFLA_OPERSTATE      = C.IFLA_OPERSTATE
-	IFLA_LINKMODE       = C.IFLA_LINKMODE
-	IFLA_LINKINFO       = C.IFLA_LINKINFO
-	IFLA_NET_NS_PID     = C.IFLA_NET_NS_PID
-	IFLA_IFALIAS        = C.IFLA_IFALIAS
-	IFLA_MAX            = C.IFLA_MAX
-	RT_SCOPE_UNIVERSE   = C.RT_SCOPE_UNIVERSE
-	RT_SCOPE_SITE       = C.RT_SCOPE_SITE
-	RT_SCOPE_LINK       = C.RT_SCOPE_LINK
-	RT_SCOPE_HOST       = C.RT_SCOPE_HOST
-	RT_SCOPE_NOWHERE    = C.RT_SCOPE_NOWHERE
-	RT_TABLE_UNSPEC     = C.RT_TABLE_UNSPEC
-	RT_TABLE_COMPAT     = C.RT_TABLE_COMPAT
-	RT_TABLE_DEFAULT    = C.RT_TABLE_DEFAULT
-	RT_TABLE_MAIN       = C.RT_TABLE_MAIN
-	RT_TABLE_LOCAL      = C.RT_TABLE_LOCAL
-	RT_TABLE_MAX        = C.RT_TABLE_MAX
-	RTA_UNSPEC          = C.RTA_UNSPEC
-	RTA_DST             = C.RTA_DST
-	RTA_SRC             = C.RTA_SRC
-	RTA_IIF             = C.RTA_IIF
-	RTA_OIF             = C.RTA_OIF
-	RTA_GATEWAY         = C.RTA_GATEWAY
-	RTA_PRIORITY        = C.RTA_PRIORITY
-	RTA_PREFSRC         = C.RTA_PREFSRC
-	RTA_METRICS         = C.RTA_METRICS
-	RTA_MULTIPATH       = C.RTA_MULTIPATH
-	RTA_FLOW            = C.RTA_FLOW
-	RTA_CACHEINFO       = C.RTA_CACHEINFO
-	RTA_TABLE           = C.RTA_TABLE
-	RTN_UNSPEC          = C.RTN_UNSPEC
-	RTN_UNICAST         = C.RTN_UNICAST
-	RTN_LOCAL           = C.RTN_LOCAL
-	RTN_BROADCAST       = C.RTN_BROADCAST
-	RTN_ANYCAST         = C.RTN_ANYCAST
-	RTN_MULTICAST       = C.RTN_MULTICAST
-	RTN_BLACKHOLE       = C.RTN_BLACKHOLE
-	RTN_UNREACHABLE     = C.RTN_UNREACHABLE
-	RTN_PROHIBIT        = C.RTN_PROHIBIT
-	RTN_THROW           = C.RTN_THROW
-	RTN_NAT             = C.RTN_NAT
-	RTN_XRESOLVE        = C.RTN_XRESOLVE
-	RTNLGRP_NONE        = C.RTNLGRP_NONE
-	RTNLGRP_LINK        = C.RTNLGRP_LINK
-	RTNLGRP_NOTIFY      = C.RTNLGRP_NOTIFY
-	RTNLGRP_NEIGH       = C.RTNLGRP_NEIGH
-	RTNLGRP_TC          = C.RTNLGRP_TC
-	RTNLGRP_IPV4_IFADDR = C.RTNLGRP_IPV4_IFADDR
-	RTNLGRP_IPV4_MROUTE = C.RTNLGRP_IPV4_MROUTE
-	RTNLGRP_IPV4_ROUTE  = C.RTNLGRP_IPV4_ROUTE
-	RTNLGRP_IPV4_RULE   = C.RTNLGRP_IPV4_RULE
-	RTNLGRP_IPV6_IFADDR = C.RTNLGRP_IPV6_IFADDR
-	RTNLGRP_IPV6_MROUTE = C.RTNLGRP_IPV6_MROUTE
-	RTNLGRP_IPV6_ROUTE  = C.RTNLGRP_IPV6_ROUTE
-	RTNLGRP_IPV6_IFINFO = C.RTNLGRP_IPV6_IFINFO
-	RTNLGRP_IPV6_PREFIX = C.RTNLGRP_IPV6_PREFIX
-	RTNLGRP_IPV6_RULE   = C.RTNLGRP_IPV6_RULE
-	RTNLGRP_ND_USEROPT  = C.RTNLGRP_ND_USEROPT
-	SizeofNlMsghdr      = C.sizeof_struct_nlmsghdr
-	SizeofNlMsgerr      = C.sizeof_struct_nlmsgerr
-	SizeofRtGenmsg      = C.sizeof_struct_rtgenmsg
-	SizeofNlAttr        = C.sizeof_struct_nlattr
-	SizeofRtAttr        = C.sizeof_struct_rtattr
-	SizeofIfInfomsg     = C.sizeof_struct_ifinfomsg
-	SizeofIfAddrmsg     = C.sizeof_struct_ifaddrmsg
-	SizeofRtMsg         = C.sizeof_struct_rtmsg
-	SizeofRtNexthop     = C.sizeof_struct_rtnexthop
-)
-
-type NlMsghdr C.struct_nlmsghdr
-
-type NlMsgerr C.struct_nlmsgerr
-
-type RtGenmsg C.struct_rtgenmsg
-
-type NlAttr C.struct_nlattr
-
-type RtAttr C.struct_rtattr
-
-type IfInfomsg C.struct_ifinfomsg
-
-type IfAddrmsg C.struct_ifaddrmsg
-
-type RtMsg C.struct_rtmsg
-
-type RtNexthop C.struct_rtnexthop
-
-// Linux socket filter
-
-const (
-	SizeofSockFilter = C.sizeof_struct_sock_filter
-	SizeofSockFprog  = C.sizeof_struct_sock_fprog
-)
-
-type SockFilter C.struct_sock_filter
-
-type SockFprog C.struct_sock_fprog
-
-// Inotify
-
-type InotifyEvent C.struct_inotify_event
-
-const SizeofInotifyEvent = C.sizeof_struct_inotify_event
-
-// Ptrace
-
-// Register structures
-type PtraceRegs C.PtraceRegs
-
-// Structures contained in PtraceRegs on s390x (exported by mkpost.go)
-type PtracePsw C.ptracePsw
-
-type PtraceFpregs C.ptraceFpregs
-
-type PtracePer C.ptracePer
-
-// Misc
-
-type FdSet C.fd_set
-
-type Sysinfo_t C.struct_sysinfo
-
-type Utsname C.struct_utsname
-
-type Ustat_t C.struct_ustat
-
-type EpollEvent C.struct_my_epoll_event
-
-const (
-	AT_EMPTY_PATH   = C.AT_EMPTY_PATH
-	AT_FDCWD        = C.AT_FDCWD
-	AT_NO_AUTOMOUNT = C.AT_NO_AUTOMOUNT
-	AT_REMOVEDIR    = C.AT_REMOVEDIR
-
-	AT_STATX_SYNC_AS_STAT = C.AT_STATX_SYNC_AS_STAT
-	AT_STATX_FORCE_SYNC   = C.AT_STATX_FORCE_SYNC
-	AT_STATX_DONT_SYNC    = C.AT_STATX_DONT_SYNC
-
-	AT_SYMLINK_FOLLOW   = C.AT_SYMLINK_FOLLOW
-	AT_SYMLINK_NOFOLLOW = C.AT_SYMLINK_NOFOLLOW
-)
-
-type PollFd C.struct_pollfd
-
-const (
-	POLLIN    = C.POLLIN
-	POLLPRI   = C.POLLPRI
-	POLLOUT   = C.POLLOUT
-	POLLRDHUP = C.POLLRDHUP
-	POLLERR   = C.POLLERR
-	POLLHUP   = C.POLLHUP
-	POLLNVAL  = C.POLLNVAL
-)
-
-type Sigset_t C.sigset_t
-
-const RNDGETENTCNT = C.RNDGETENTCNT
-
-const PERF_IOC_FLAG_GROUP = C.PERF_IOC_FLAG_GROUP
-
-// Terminal handling
-
-type Termios C.termios_t
-
-type Winsize C.struct_winsize
-
-// Taskstats and cgroup stats.
-
-type Taskstats C.struct_taskstats
-
-const (
-	TASKSTATS_CMD_UNSPEC                  = C.TASKSTATS_CMD_UNSPEC
-	TASKSTATS_CMD_GET                     = C.TASKSTATS_CMD_GET
-	TASKSTATS_CMD_NEW                     = C.TASKSTATS_CMD_NEW
-	TASKSTATS_TYPE_UNSPEC                 = C.TASKSTATS_TYPE_UNSPEC
-	TASKSTATS_TYPE_PID                    = C.TASKSTATS_TYPE_PID
-	TASKSTATS_TYPE_TGID                   = C.TASKSTATS_TYPE_TGID
-	TASKSTATS_TYPE_STATS                  = C.TASKSTATS_TYPE_STATS
-	TASKSTATS_TYPE_AGGR_PID               = C.TASKSTATS_TYPE_AGGR_PID
-	TASKSTATS_TYPE_AGGR_TGID              = C.TASKSTATS_TYPE_AGGR_TGID
-	TASKSTATS_TYPE_NULL                   = C.TASKSTATS_TYPE_NULL
-	TASKSTATS_CMD_ATTR_UNSPEC             = C.TASKSTATS_CMD_ATTR_UNSPEC
-	TASKSTATS_CMD_ATTR_PID                = C.TASKSTATS_CMD_ATTR_PID
-	TASKSTATS_CMD_ATTR_TGID               = C.TASKSTATS_CMD_ATTR_TGID
-	TASKSTATS_CMD_ATTR_REGISTER_CPUMASK   = C.TASKSTATS_CMD_ATTR_REGISTER_CPUMASK
-	TASKSTATS_CMD_ATTR_DEREGISTER_CPUMASK = C.TASKSTATS_CMD_ATTR_DEREGISTER_CPUMASK
-)
-
-type CGroupStats C.struct_cgroupstats
-
-const (
-	CGROUPSTATS_CMD_UNSPEC        = C.__TASKSTATS_CMD_MAX
-	CGROUPSTATS_CMD_GET           = C.CGROUPSTATS_CMD_GET
-	CGROUPSTATS_CMD_NEW           = C.CGROUPSTATS_CMD_NEW
-	CGROUPSTATS_TYPE_UNSPEC       = C.CGROUPSTATS_TYPE_UNSPEC
-	CGROUPSTATS_TYPE_CGROUP_STATS = C.CGROUPSTATS_TYPE_CGROUP_STATS
-	CGROUPSTATS_CMD_ATTR_UNSPEC   = C.CGROUPSTATS_CMD_ATTR_UNSPEC
-	CGROUPSTATS_CMD_ATTR_FD       = C.CGROUPSTATS_CMD_ATTR_FD
-)
-
-// Generic netlink
-
-type Genlmsghdr C.struct_genlmsghdr
-
-const (
-	CTRL_CMD_UNSPEC            = C.CTRL_CMD_UNSPEC
-	CTRL_CMD_NEWFAMILY         = C.CTRL_CMD_NEWFAMILY
-	CTRL_CMD_DELFAMILY         = C.CTRL_CMD_DELFAMILY
-	CTRL_CMD_GETFAMILY         = C.CTRL_CMD_GETFAMILY
-	CTRL_CMD_NEWOPS            = C.CTRL_CMD_NEWOPS
-	CTRL_CMD_DELOPS            = C.CTRL_CMD_DELOPS
-	CTRL_CMD_GETOPS            = C.CTRL_CMD_GETOPS
-	CTRL_CMD_NEWMCAST_GRP      = C.CTRL_CMD_NEWMCAST_GRP
-	CTRL_CMD_DELMCAST_GRP      = C.CTRL_CMD_DELMCAST_GRP
-	CTRL_CMD_GETMCAST_GRP      = C.CTRL_CMD_GETMCAST_GRP
-	CTRL_ATTR_UNSPEC           = C.CTRL_ATTR_UNSPEC
-	CTRL_ATTR_FAMILY_ID        = C.CTRL_ATTR_FAMILY_ID
-	CTRL_ATTR_FAMILY_NAME      = C.CTRL_ATTR_FAMILY_NAME
-	CTRL_ATTR_VERSION          = C.CTRL_ATTR_VERSION
-	CTRL_ATTR_HDRSIZE          = C.CTRL_ATTR_HDRSIZE
-	CTRL_ATTR_MAXATTR          = C.CTRL_ATTR_MAXATTR
-	CTRL_ATTR_OPS              = C.CTRL_ATTR_OPS
-	CTRL_ATTR_MCAST_GROUPS     = C.CTRL_ATTR_MCAST_GROUPS
-	CTRL_ATTR_OP_UNSPEC        = C.CTRL_ATTR_OP_UNSPEC
-	CTRL_ATTR_OP_ID            = C.CTRL_ATTR_OP_ID
-	CTRL_ATTR_OP_FLAGS         = C.CTRL_ATTR_OP_FLAGS
-	CTRL_ATTR_MCAST_GRP_UNSPEC = C.CTRL_ATTR_MCAST_GRP_UNSPEC
-	CTRL_ATTR_MCAST_GRP_NAME   = C.CTRL_ATTR_MCAST_GRP_NAME
-	CTRL_ATTR_MCAST_GRP_ID     = C.CTRL_ATTR_MCAST_GRP_ID
-)
-
-// CPU affinity
-
-type cpuMask C.__cpu_mask
-
-const (
-	_CPU_SETSIZE = C.__CPU_SETSIZE
-	_NCPUBITS    = C.__NCPUBITS
-)
-
-// Bluetooth
-
-const (
-	BDADDR_BREDR     = C.BDADDR_BREDR
-	BDADDR_LE_PUBLIC = C.BDADDR_LE_PUBLIC
-	BDADDR_LE_RANDOM = C.BDADDR_LE_RANDOM
-)

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

@@ -0,0 +1,78 @@
+// 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 writeASMFile(in string, fileName string, buildTags string) {
+	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 %s\n", buildTags)
+	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(fileName, out.Bytes(), 0644)
+	if err != nil {
+		log.Fatalf("can't write %s: %s", fileName, err)
+	}
+}
+
+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)
+
+	writeASMFile(in, fmt.Sprintf("zsyscall_darwin_%s.s", arch), "go1.12")
+
+	in1, err = ioutil.ReadFile("syscall_darwin.1_13.go")
+	if err != nil {
+		log.Fatalf("can't open syscall_darwin.1_13.go: %s", err)
+	}
+	in2, err = ioutil.ReadFile(fmt.Sprintf("zsyscall_darwin_%s.1_13.go", arch))
+	if err != nil {
+		log.Fatalf("can't open zsyscall_darwin_%s.1_13.go: %s", arch, err)
+	}
+
+	in = string(in1) + string(in2)
+
+	writeASMFile(in, fmt.Sprintf("zsyscall_darwin_%s.1_13.s", arch), "go1.13")
+}

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

@@ -0,0 +1,521 @@
+// Copyright 2020 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
+
+// mkmerge.go parses generated source files and merges common
+// consts, funcs, and types into a common source file, per GOOS.
+//
+// Usage:
+//     $ go run mkmerge.go -out MERGED FILE [FILE ...]
+//
+// Example:
+//     # Remove all common consts, funcs, and types from zerrors_linux_*.go
+//     # and write the common code into zerrors_linux.go
+//     $ go run mkmerge.go -out zerrors_linux.go zerrors_linux_*.go
+//
+// mkmerge.go performs the merge in the following steps:
+// 1. Construct the set of common code that is idential in all
+//    architecture-specific files.
+// 2. Write this common code to the merged file.
+// 3. Remove the common code from all architecture-specific files.
+package main
+
+import (
+	"bufio"
+	"bytes"
+	"flag"
+	"fmt"
+	"go/ast"
+	"go/format"
+	"go/parser"
+	"go/token"
+	"io"
+	"io/ioutil"
+	"log"
+	"os"
+	"path"
+	"path/filepath"
+	"regexp"
+	"strconv"
+	"strings"
+)
+
+const validGOOS = "aix|darwin|dragonfly|freebsd|linux|netbsd|openbsd|solaris"
+
+// getValidGOOS returns GOOS, true if filename ends with a valid "_GOOS.go"
+func getValidGOOS(filename string) (string, bool) {
+	matches := regexp.MustCompile(`_(` + validGOOS + `)\.go$`).FindStringSubmatch(filename)
+	if len(matches) != 2 {
+		return "", false
+	}
+	return matches[1], true
+}
+
+// codeElem represents an ast.Decl in a comparable way.
+type codeElem struct {
+	tok token.Token // e.g. token.CONST, token.TYPE, or token.FUNC
+	src string      // the declaration formatted as source code
+}
+
+// newCodeElem returns a codeElem based on tok and node, or an error is returned.
+func newCodeElem(tok token.Token, node ast.Node) (codeElem, error) {
+	var b strings.Builder
+	err := format.Node(&b, token.NewFileSet(), node)
+	if err != nil {
+		return codeElem{}, err
+	}
+	return codeElem{tok, b.String()}, nil
+}
+
+// codeSet is a set of codeElems
+type codeSet struct {
+	set map[codeElem]bool // true for all codeElems in the set
+}
+
+// newCodeSet returns a new codeSet
+func newCodeSet() *codeSet { return &codeSet{make(map[codeElem]bool)} }
+
+// add adds elem to c
+func (c *codeSet) add(elem codeElem) { c.set[elem] = true }
+
+// has returns true if elem is in c
+func (c *codeSet) has(elem codeElem) bool { return c.set[elem] }
+
+// isEmpty returns true if the set is empty
+func (c *codeSet) isEmpty() bool { return len(c.set) == 0 }
+
+// intersection returns a new set which is the intersection of c and a
+func (c *codeSet) intersection(a *codeSet) *codeSet {
+	res := newCodeSet()
+
+	for elem := range c.set {
+		if a.has(elem) {
+			res.add(elem)
+		}
+	}
+	return res
+}
+
+// keepCommon is a filterFn for filtering the merged file with common declarations.
+func (c *codeSet) keepCommon(elem codeElem) bool {
+	switch elem.tok {
+	case token.VAR:
+		// Remove all vars from the merged file
+		return false
+	case token.CONST, token.TYPE, token.FUNC, token.COMMENT:
+		// Remove arch-specific consts, types, functions, and file-level comments from the merged file
+		return c.has(elem)
+	case token.IMPORT:
+		// Keep imports, they are handled by filterImports
+		return true
+	}
+
+	log.Fatalf("keepCommon: invalid elem %v", elem)
+	return true
+}
+
+// keepArchSpecific is a filterFn for filtering the GOARC-specific files.
+func (c *codeSet) keepArchSpecific(elem codeElem) bool {
+	switch elem.tok {
+	case token.CONST, token.TYPE, token.FUNC:
+		// Remove common consts, types, or functions from the arch-specific file
+		return !c.has(elem)
+	}
+	return true
+}
+
+// srcFile represents a source file
+type srcFile struct {
+	name string
+	src  []byte
+}
+
+// filterFn is a helper for filter
+type filterFn func(codeElem) bool
+
+// filter parses and filters Go source code from src, removing top
+// level declarations using keep as predicate.
+// For src parameter, please see docs for parser.ParseFile.
+func filter(src interface{}, keep filterFn) ([]byte, error) {
+	// Parse the src into an ast
+	fset := token.NewFileSet()
+	f, err := parser.ParseFile(fset, "", src, parser.ParseComments)
+	if err != nil {
+		return nil, err
+	}
+	cmap := ast.NewCommentMap(fset, f, f.Comments)
+
+	// Group const/type specs on adjacent lines
+	var groups specGroups = make(map[string]int)
+	var groupID int
+
+	decls := f.Decls
+	f.Decls = f.Decls[:0]
+	for _, decl := range decls {
+		switch decl := decl.(type) {
+		case *ast.GenDecl:
+			// Filter imports, consts, types, vars
+			specs := decl.Specs
+			decl.Specs = decl.Specs[:0]
+			for i, spec := range specs {
+				elem, err := newCodeElem(decl.Tok, spec)
+				if err != nil {
+					return nil, err
+				}
+
+				// Create new group if there are empty lines between this and the previous spec
+				if i > 0 && fset.Position(specs[i-1].End()).Line < fset.Position(spec.Pos()).Line-1 {
+					groupID++
+				}
+
+				// Check if we should keep this spec
+				if keep(elem) {
+					decl.Specs = append(decl.Specs, spec)
+					groups.add(elem.src, groupID)
+				}
+			}
+			// Check if we should keep this decl
+			if len(decl.Specs) > 0 {
+				f.Decls = append(f.Decls, decl)
+			}
+		case *ast.FuncDecl:
+			// Filter funcs
+			elem, err := newCodeElem(token.FUNC, decl)
+			if err != nil {
+				return nil, err
+			}
+			if keep(elem) {
+				f.Decls = append(f.Decls, decl)
+			}
+		}
+	}
+
+	// Filter file level comments
+	if cmap[f] != nil {
+		commentGroups := cmap[f]
+		cmap[f] = cmap[f][:0]
+		for _, cGrp := range commentGroups {
+			if keep(codeElem{token.COMMENT, cGrp.Text()}) {
+				cmap[f] = append(cmap[f], cGrp)
+			}
+		}
+	}
+	f.Comments = cmap.Filter(f).Comments()
+
+	// Generate code for the filtered ast
+	var buf bytes.Buffer
+	if err = format.Node(&buf, fset, f); err != nil {
+		return nil, err
+	}
+
+	groupedSrc, err := groups.filterEmptyLines(&buf)
+	if err != nil {
+		return nil, err
+	}
+
+	return filterImports(groupedSrc)
+}
+
+// getCommonSet returns the set of consts, types, and funcs that are present in every file.
+func getCommonSet(files []srcFile) (*codeSet, error) {
+	if len(files) == 0 {
+		return nil, fmt.Errorf("no files provided")
+	}
+	// Use the first architecture file as the baseline
+	baseSet, err := getCodeSet(files[0].src)
+	if err != nil {
+		return nil, err
+	}
+
+	// Compare baseline set with other architecture files: discard any element,
+	// that doesn't exist in other architecture files.
+	for _, f := range files[1:] {
+		set, err := getCodeSet(f.src)
+		if err != nil {
+			return nil, err
+		}
+
+		baseSet = baseSet.intersection(set)
+	}
+	return baseSet, nil
+}
+
+// getCodeSet returns the set of all top-level consts, types, and funcs from src.
+// src must be string, []byte, or io.Reader (see go/parser.ParseFile docs)
+func getCodeSet(src interface{}) (*codeSet, error) {
+	set := newCodeSet()
+
+	fset := token.NewFileSet()
+	f, err := parser.ParseFile(fset, "", src, parser.ParseComments)
+	if err != nil {
+		return nil, err
+	}
+
+	for _, decl := range f.Decls {
+		switch decl := decl.(type) {
+		case *ast.GenDecl:
+			// Add const, and type declarations
+			if !(decl.Tok == token.CONST || decl.Tok == token.TYPE) {
+				break
+			}
+
+			for _, spec := range decl.Specs {
+				elem, err := newCodeElem(decl.Tok, spec)
+				if err != nil {
+					return nil, err
+				}
+
+				set.add(elem)
+			}
+		case *ast.FuncDecl:
+			// Add func declarations
+			elem, err := newCodeElem(token.FUNC, decl)
+			if err != nil {
+				return nil, err
+			}
+
+			set.add(elem)
+		}
+	}
+
+	// Add file level comments
+	cmap := ast.NewCommentMap(fset, f, f.Comments)
+	for _, cGrp := range cmap[f] {
+		set.add(codeElem{token.COMMENT, cGrp.Text()})
+	}
+
+	return set, nil
+}
+
+// importName returns the identifier (PackageName) for an imported package
+func importName(iSpec *ast.ImportSpec) (string, error) {
+	if iSpec.Name == nil {
+		name, err := strconv.Unquote(iSpec.Path.Value)
+		if err != nil {
+			return "", err
+		}
+		return path.Base(name), nil
+	}
+	return iSpec.Name.Name, nil
+}
+
+// specGroups tracks grouped const/type specs with a map of line: groupID pairs
+type specGroups map[string]int
+
+// add spec source to group
+func (s specGroups) add(src string, groupID int) error {
+	srcBytes, err := format.Source(bytes.TrimSpace([]byte(src)))
+	if err != nil {
+		return err
+	}
+	s[string(srcBytes)] = groupID
+	return nil
+}
+
+// filterEmptyLines removes empty lines within groups of const/type specs.
+// Returns the filtered source.
+func (s specGroups) filterEmptyLines(src io.Reader) ([]byte, error) {
+	scanner := bufio.NewScanner(src)
+	var out bytes.Buffer
+
+	var emptyLines bytes.Buffer
+	prevGroupID := -1 // Initialize to invalid group
+	for scanner.Scan() {
+		line := bytes.TrimSpace(scanner.Bytes())
+
+		if len(line) == 0 {
+			fmt.Fprintf(&emptyLines, "%s\n", scanner.Bytes())
+			continue
+		}
+
+		// Discard emptyLines if previous non-empty line belonged to the same
+		// group as this line
+		if src, err := format.Source(line); err == nil {
+			groupID, ok := s[string(src)]
+			if ok && groupID == prevGroupID {
+				emptyLines.Reset()
+			}
+			prevGroupID = groupID
+		}
+
+		emptyLines.WriteTo(&out)
+		fmt.Fprintf(&out, "%s\n", scanner.Bytes())
+	}
+	if err := scanner.Err(); err != nil {
+		return nil, err
+	}
+	return out.Bytes(), nil
+}
+
+// filterImports removes unused imports from fileSrc, and returns a formatted src.
+func filterImports(fileSrc []byte) ([]byte, error) {
+	fset := token.NewFileSet()
+	file, err := parser.ParseFile(fset, "", fileSrc, parser.ParseComments)
+	if err != nil {
+		return nil, err
+	}
+	cmap := ast.NewCommentMap(fset, file, file.Comments)
+
+	// create set of references to imported identifiers
+	keepImport := make(map[string]bool)
+	for _, u := range file.Unresolved {
+		keepImport[u.Name] = true
+	}
+
+	// filter import declarations
+	decls := file.Decls
+	file.Decls = file.Decls[:0]
+	for _, decl := range decls {
+		importDecl, ok := decl.(*ast.GenDecl)
+
+		// Keep non-import declarations
+		if !ok || importDecl.Tok != token.IMPORT {
+			file.Decls = append(file.Decls, decl)
+			continue
+		}
+
+		// Filter the import specs
+		specs := importDecl.Specs
+		importDecl.Specs = importDecl.Specs[:0]
+		for _, spec := range specs {
+			iSpec := spec.(*ast.ImportSpec)
+			name, err := importName(iSpec)
+			if err != nil {
+				return nil, err
+			}
+
+			if keepImport[name] {
+				importDecl.Specs = append(importDecl.Specs, iSpec)
+			}
+		}
+		if len(importDecl.Specs) > 0 {
+			file.Decls = append(file.Decls, importDecl)
+		}
+	}
+
+	// filter file.Imports
+	imports := file.Imports
+	file.Imports = file.Imports[:0]
+	for _, spec := range imports {
+		name, err := importName(spec)
+		if err != nil {
+			return nil, err
+		}
+
+		if keepImport[name] {
+			file.Imports = append(file.Imports, spec)
+		}
+	}
+	file.Comments = cmap.Filter(file).Comments()
+
+	var buf bytes.Buffer
+	err = format.Node(&buf, fset, file)
+	if err != nil {
+		return nil, err
+	}
+
+	return buf.Bytes(), nil
+}
+
+// merge extracts duplicate code from archFiles and merges it to mergeFile.
+// 1. Construct commonSet: the set of code that is idential in all archFiles.
+// 2. Write the code in commonSet to mergedFile.
+// 3. Remove the commonSet code from all archFiles.
+func merge(mergedFile string, archFiles ...string) error {
+	// extract and validate the GOOS part of the merged filename
+	goos, ok := getValidGOOS(mergedFile)
+	if !ok {
+		return fmt.Errorf("invalid GOOS in merged file name %s", mergedFile)
+	}
+
+	// Read architecture files
+	var inSrc []srcFile
+	for _, file := range archFiles {
+		src, err := ioutil.ReadFile(file)
+		if err != nil {
+			return fmt.Errorf("cannot read archfile %s: %w", file, err)
+		}
+
+		inSrc = append(inSrc, srcFile{file, src})
+	}
+
+	// 1. Construct the set of top-level declarations common for all files
+	commonSet, err := getCommonSet(inSrc)
+	if err != nil {
+		return err
+	}
+	if commonSet.isEmpty() {
+		// No common code => do not modify any files
+		return nil
+	}
+
+	// 2. Write the merged file
+	mergedSrc, err := filter(inSrc[0].src, commonSet.keepCommon)
+	if err != nil {
+		return err
+	}
+
+	f, err := os.Create(mergedFile)
+	if err != nil {
+		return err
+	}
+
+	buf := bufio.NewWriter(f)
+	fmt.Fprintln(buf, "// Code generated by mkmerge.go; DO NOT EDIT.")
+	fmt.Fprintln(buf)
+	fmt.Fprintf(buf, "// +build %s\n", goos)
+	fmt.Fprintln(buf)
+	buf.Write(mergedSrc)
+
+	err = buf.Flush()
+	if err != nil {
+		return err
+	}
+	err = f.Close()
+	if err != nil {
+		return err
+	}
+
+	// 3. Remove duplicate declarations from the architecture files
+	for _, inFile := range inSrc {
+		src, err := filter(inFile.src, commonSet.keepArchSpecific)
+		if err != nil {
+			return err
+		}
+		err = ioutil.WriteFile(inFile.name, src, 0644)
+		if err != nil {
+			return err
+		}
+	}
+	return nil
+}
+
+func main() {
+	var mergedFile string
+	flag.StringVar(&mergedFile, "out", "", "Write merged code to `FILE`")
+	flag.Parse()
+
+	// Expand wildcards
+	var filenames []string
+	for _, arg := range flag.Args() {
+		matches, err := filepath.Glob(arg)
+		if err != nil {
+			fmt.Fprintf(os.Stderr, "Invalid command line argument %q: %v\n", arg, err)
+			os.Exit(1)
+		}
+		filenames = append(filenames, matches...)
+	}
+
+	if len(filenames) < 2 {
+		// No need to merge
+		return
+	}
+
+	err := merge(mergedFile, filenames...)
+	if err != nil {
+		fmt.Fprintf(os.Stderr, "Merge failed with error: %v\n", err)
+		os.Exit(1)
+	}
+}

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

@@ -0,0 +1,505 @@
+// Copyright 2020 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
+
+// Test cases for mkmerge.go.
+// Usage:
+//     $ go test mkmerge.go mkmerge_test.go
+package main
+
+import (
+	"bytes"
+	"fmt"
+	"go/parser"
+	"go/token"
+	"html/template"
+	"strings"
+	"testing"
+)
+
+func TestImports(t *testing.T) {
+	t.Run("importName", func(t *testing.T) {
+		cases := []struct {
+			src   string
+			ident string
+		}{
+			{`"syscall"`, "syscall"},
+			{`. "foobar"`, "."},
+			{`"go/ast"`, "ast"},
+			{`moo "go/format"`, "moo"},
+			{`. "go/token"`, "."},
+			{`"golang.org/x/sys/unix"`, "unix"},
+			{`nix "golang.org/x/sys/unix"`, "nix"},
+			{`_ "golang.org/x/sys/unix"`, "_"},
+		}
+
+		for _, c := range cases {
+			pkgSrc := fmt.Sprintf("package main\nimport %s", c.src)
+
+			f, err := parser.ParseFile(token.NewFileSet(), "", pkgSrc, parser.ImportsOnly)
+			if err != nil {
+				t.Error(err)
+				continue
+			}
+			if len(f.Imports) != 1 {
+				t.Errorf("Got %d imports, expected 1", len(f.Imports))
+				continue
+			}
+
+			got, err := importName(f.Imports[0])
+			if err != nil {
+				t.Fatal(err)
+			}
+			if got != c.ident {
+				t.Errorf("Got %q, expected %q", got, c.ident)
+			}
+		}
+	})
+
+	t.Run("filterImports", func(t *testing.T) {
+		cases := []struct{ before, after string }{
+			{`package test
+
+			import (
+				"foo"
+				"bar"
+			)`,
+				"package test\n"},
+			{`package test
+
+			import (
+				"foo"
+				"bar"
+			)
+
+			func useFoo() { foo.Usage() }`,
+				`package test
+
+import (
+	"foo"
+)
+
+func useFoo() { foo.Usage() }
+`},
+		}
+		for _, c := range cases {
+			got, err := filterImports([]byte(c.before))
+			if err != nil {
+				t.Error(err)
+			}
+
+			if string(got) != c.after {
+				t.Errorf("Got:\n%s\nExpected:\n%s\n", got, c.after)
+			}
+		}
+	})
+}
+
+func TestMerge(t *testing.T) {
+	// Input architecture files
+	inTmpl := template.Must(template.New("input").Parse(`
+// Package comments
+
+// build directives for arch{{.}}
+
+// +build goos,arch{{.}}
+
+package main
+
+/*
+#include <stdint.h>
+#include <stddef.h>
+int utimes(uintptr_t, uintptr_t);
+int utimensat(int, uintptr_t, uintptr_t, int);
+*/
+import "C"
+
+// The imports
+import (
+	"commonDep"
+	"uniqueDep{{.}}"
+)
+
+// Vars
+var (
+	commonVar = commonDep.Use("common")
+
+	uniqueVar{{.}} = "unique{{.}}"
+)
+
+// Common free standing comment
+
+// Common comment
+const COMMON_INDEPENDENT = 1234
+const UNIQUE_INDEPENDENT_{{.}} = "UNIQUE_INDEPENDENT_{{.}}"
+
+// Group comment
+const (
+	COMMON_GROUP = "COMMON_GROUP"
+	UNIQUE_GROUP_{{.}} = "UNIQUE_GROUP_{{.}}"
+)
+
+// Group2 comment
+const (
+	UNIQUE_GROUP21_{{.}} = "UNIQUE_GROUP21_{{.}}"
+	UNIQUE_GROUP22_{{.}} = "UNIQUE_GROUP22_{{.}}"
+)
+
+// Group3 comment
+const (
+	sub1Common1 = 11
+	sub1Unique2{{.}} = 12
+	sub1Common3_LONG = 13
+
+	sub2Unique1{{.}} = 21
+	sub2Common2 = 22
+	sub2Common3 = 23
+	sub2Unique4{{.}} = 24
+)
+
+type commonInt int
+
+type uniqueInt{{.}} int
+
+func commonF() string {
+	return commonDep.Use("common")
+	}
+
+func uniqueF() string {
+	C.utimes(0, 0)
+	return uniqueDep{{.}}.Use("{{.}}")
+	}
+
+// Group4 comment
+const (
+	sub3Common1 = 31
+	sub3Unique2{{.}} = 32
+	sub3Unique3{{.}} = 33
+	sub3Common4 = 34
+
+	sub4Common1, sub4Unique2{{.}} = 41, 42
+	sub4Unique3{{.}}, sub4Common4 = 43, 44
+)
+`))
+
+	// Filtered architecture files
+	outTmpl := template.Must(template.New("output").Parse(`// Package comments
+
+// build directives for arch{{.}}
+
+// +build goos,arch{{.}}
+
+package main
+
+/*
+#include <stdint.h>
+#include <stddef.h>
+int utimes(uintptr_t, uintptr_t);
+int utimensat(int, uintptr_t, uintptr_t, int);
+*/
+import "C"
+
+// The imports
+import (
+	"commonDep"
+	"uniqueDep{{.}}"
+)
+
+// Vars
+var (
+	commonVar = commonDep.Use("common")
+
+	uniqueVar{{.}} = "unique{{.}}"
+)
+
+const UNIQUE_INDEPENDENT_{{.}} = "UNIQUE_INDEPENDENT_{{.}}"
+
+// Group comment
+const (
+	UNIQUE_GROUP_{{.}} = "UNIQUE_GROUP_{{.}}"
+)
+
+// Group2 comment
+const (
+	UNIQUE_GROUP21_{{.}} = "UNIQUE_GROUP21_{{.}}"
+	UNIQUE_GROUP22_{{.}} = "UNIQUE_GROUP22_{{.}}"
+)
+
+// Group3 comment
+const (
+	sub1Unique2{{.}} = 12
+
+	sub2Unique1{{.}} = 21
+	sub2Unique4{{.}} = 24
+)
+
+type uniqueInt{{.}} int
+
+func uniqueF() string {
+	C.utimes(0, 0)
+	return uniqueDep{{.}}.Use("{{.}}")
+}
+
+// Group4 comment
+const (
+	sub3Unique2{{.}} = 32
+	sub3Unique3{{.}} = 33
+
+	sub4Common1, sub4Unique2{{.}} = 41, 42
+	sub4Unique3{{.}}, sub4Common4 = 43, 44
+)
+`))
+
+	const mergedFile = `// Package comments
+
+package main
+
+// The imports
+import (
+	"commonDep"
+)
+
+// Common free standing comment
+
+// Common comment
+const COMMON_INDEPENDENT = 1234
+
+// Group comment
+const (
+	COMMON_GROUP = "COMMON_GROUP"
+)
+
+// Group3 comment
+const (
+	sub1Common1      = 11
+	sub1Common3_LONG = 13
+
+	sub2Common2 = 22
+	sub2Common3 = 23
+)
+
+type commonInt int
+
+func commonF() string {
+	return commonDep.Use("common")
+}
+
+// Group4 comment
+const (
+	sub3Common1 = 31
+	sub3Common4 = 34
+)
+`
+
+	// Generate source code for different "architectures"
+	var inFiles, outFiles []srcFile
+	for _, arch := range strings.Fields("A B C D") {
+		buf := new(bytes.Buffer)
+		err := inTmpl.Execute(buf, arch)
+		if err != nil {
+			t.Fatal(err)
+		}
+		inFiles = append(inFiles, srcFile{"file" + arch, buf.Bytes()})
+
+		buf = new(bytes.Buffer)
+		err = outTmpl.Execute(buf, arch)
+		if err != nil {
+			t.Fatal(err)
+		}
+		outFiles = append(outFiles, srcFile{"file" + arch, buf.Bytes()})
+	}
+
+	t.Run("getCodeSet", func(t *testing.T) {
+		got, err := getCodeSet(inFiles[0].src)
+		if err != nil {
+			t.Fatal(err)
+		}
+
+		expectedElems := []codeElem{
+			{token.COMMENT, "Package comments\n"},
+			{token.COMMENT, "build directives for archA\n"},
+			{token.COMMENT, "+build goos,archA\n"},
+			{token.CONST, `COMMON_INDEPENDENT = 1234`},
+			{token.CONST, `UNIQUE_INDEPENDENT_A = "UNIQUE_INDEPENDENT_A"`},
+			{token.CONST, `COMMON_GROUP = "COMMON_GROUP"`},
+			{token.CONST, `UNIQUE_GROUP_A = "UNIQUE_GROUP_A"`},
+			{token.CONST, `UNIQUE_GROUP21_A = "UNIQUE_GROUP21_A"`},
+			{token.CONST, `UNIQUE_GROUP22_A = "UNIQUE_GROUP22_A"`},
+			{token.CONST, `sub1Common1 = 11`},
+			{token.CONST, `sub1Unique2A = 12`},
+			{token.CONST, `sub1Common3_LONG = 13`},
+			{token.CONST, `sub2Unique1A = 21`},
+			{token.CONST, `sub2Common2 = 22`},
+			{token.CONST, `sub2Common3 = 23`},
+			{token.CONST, `sub2Unique4A = 24`},
+			{token.CONST, `sub3Common1 = 31`},
+			{token.CONST, `sub3Unique2A = 32`},
+			{token.CONST, `sub3Unique3A = 33`},
+			{token.CONST, `sub3Common4 = 34`},
+			{token.CONST, `sub4Common1, sub4Unique2A = 41, 42`},
+			{token.CONST, `sub4Unique3A, sub4Common4 = 43, 44`},
+			{token.TYPE, `commonInt int`},
+			{token.TYPE, `uniqueIntA int`},
+			{token.FUNC, `func commonF() string {
+	return commonDep.Use("common")
+}`},
+			{token.FUNC, `func uniqueF() string {
+	C.utimes(0, 0)
+	return uniqueDepA.Use("A")
+}`},
+		}
+		expected := newCodeSet()
+		for _, d := range expectedElems {
+			expected.add(d)
+		}
+
+		if len(got.set) != len(expected.set) {
+			t.Errorf("Got %d codeElems, expected %d", len(got.set), len(expected.set))
+		}
+		for expElem := range expected.set {
+			if !got.has(expElem) {
+				t.Errorf("Didn't get expected codeElem %#v", expElem)
+			}
+		}
+		for gotElem := range got.set {
+			if !expected.has(gotElem) {
+				t.Errorf("Got unexpected codeElem %#v", gotElem)
+			}
+		}
+	})
+
+	t.Run("getCommonSet", func(t *testing.T) {
+		got, err := getCommonSet(inFiles)
+		if err != nil {
+			t.Fatal(err)
+		}
+
+		expected := newCodeSet()
+		expected.add(codeElem{token.COMMENT, "Package comments\n"})
+		expected.add(codeElem{token.CONST, `COMMON_INDEPENDENT = 1234`})
+		expected.add(codeElem{token.CONST, `COMMON_GROUP = "COMMON_GROUP"`})
+		expected.add(codeElem{token.CONST, `sub1Common1 = 11`})
+		expected.add(codeElem{token.CONST, `sub1Common3_LONG = 13`})
+		expected.add(codeElem{token.CONST, `sub2Common2 = 22`})
+		expected.add(codeElem{token.CONST, `sub2Common3 = 23`})
+		expected.add(codeElem{token.CONST, `sub3Common1 = 31`})
+		expected.add(codeElem{token.CONST, `sub3Common4 = 34`})
+		expected.add(codeElem{token.TYPE, `commonInt int`})
+		expected.add(codeElem{token.FUNC, `func commonF() string {
+	return commonDep.Use("common")
+}`})
+
+		if len(got.set) != len(expected.set) {
+			t.Errorf("Got %d codeElems, expected %d", len(got.set), len(expected.set))
+		}
+		for expElem := range expected.set {
+			if !got.has(expElem) {
+				t.Errorf("Didn't get expected codeElem %#v", expElem)
+			}
+		}
+		for gotElem := range got.set {
+			if !expected.has(gotElem) {
+				t.Errorf("Got unexpected codeElem %#v", gotElem)
+			}
+		}
+	})
+
+	t.Run("filter(keepCommon)", func(t *testing.T) {
+		commonSet, err := getCommonSet(inFiles)
+		if err != nil {
+			t.Fatal(err)
+		}
+
+		got, err := filter(inFiles[0].src, commonSet.keepCommon)
+		expected := []byte(mergedFile)
+
+		if !bytes.Equal(got, expected) {
+			t.Errorf("Got:\n%s\nExpected:\n%s", addLineNr(got), addLineNr(expected))
+			diffLines(t, got, expected)
+		}
+	})
+
+	t.Run("filter(keepArchSpecific)", func(t *testing.T) {
+		commonSet, err := getCommonSet(inFiles)
+		if err != nil {
+			t.Fatal(err)
+		}
+
+		for i := range inFiles {
+			got, err := filter(inFiles[i].src, commonSet.keepArchSpecific)
+			if err != nil {
+				t.Fatal(err)
+			}
+
+			expected := outFiles[i].src
+
+			if !bytes.Equal(got, expected) {
+				t.Errorf("Got:\n%s\nExpected:\n%s", addLineNr(got), addLineNr(expected))
+				diffLines(t, got, expected)
+			}
+		}
+	})
+}
+
+func TestMergedName(t *testing.T) {
+	t.Run("getValidGOOS", func(t *testing.T) {
+		testcases := []struct {
+			filename, goos string
+			ok             bool
+		}{
+			{"zerrors_aix.go", "aix", true},
+			{"zerrors_darwin.go", "darwin", true},
+			{"zerrors_dragonfly.go", "dragonfly", true},
+			{"zerrors_freebsd.go", "freebsd", true},
+			{"zerrors_linux.go", "linux", true},
+			{"zerrors_netbsd.go", "netbsd", true},
+			{"zerrors_openbsd.go", "openbsd", true},
+			{"zerrors_solaris.go", "solaris", true},
+			{"zerrors_multics.go", "", false},
+		}
+		for _, tc := range testcases {
+			goos, ok := getValidGOOS(tc.filename)
+			if goos != tc.goos {
+				t.Errorf("got GOOS %q, expected %q", goos, tc.goos)
+			}
+			if ok != tc.ok {
+				t.Errorf("got ok %v, expected %v", ok, tc.ok)
+			}
+		}
+	})
+}
+
+// Helper functions to diff test sources
+
+func diffLines(t *testing.T, got, expected []byte) {
+	t.Helper()
+
+	gotLines := bytes.Split(got, []byte{'\n'})
+	expLines := bytes.Split(expected, []byte{'\n'})
+
+	i := 0
+	for i < len(gotLines) && i < len(expLines) {
+		if !bytes.Equal(gotLines[i], expLines[i]) {
+			t.Errorf("Line %d: Got:\n%q\nExpected:\n%q", i+1, gotLines[i], expLines[i])
+			return
+		}
+		i++
+	}
+
+	if i < len(gotLines) && i >= len(expLines) {
+		t.Errorf("Line %d: got %q, expected EOF", i+1, gotLines[i])
+	}
+	if i >= len(gotLines) && i < len(expLines) {
+		t.Errorf("Line %d: got EOF, expected %q", i+1, gotLines[i])
+	}
+}
+
+func addLineNr(src []byte) []byte {
+	lines := bytes.Split(src, []byte("\n"))
+	for i, line := range lines {
+		lines[i] = []byte(fmt.Sprintf("%d: %s", i+1, line))
+	}
+	return bytes.Join(lines, []byte("\n"))
+}

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)
 		}
@@ -42,6 +42,21 @@ func main() {
 		log.Fatal(err)
 	}
 
+	if goos == "aix" {
+		// Replace type of Atim, Mtim and Ctim by Timespec in Stat_t
+		// to avoid having both StTimespec and Timespec.
+		sttimespec := regexp.MustCompile(`_Ctype_struct_st_timespec`)
+		b = sttimespec.ReplaceAll(b, []byte("Timespec"))
+	}
+
+	// Intentionally export __val fields in Fsid and Sigset_t
+	valRegex := regexp.MustCompile(`type (Fsid|Sigset_t) struct {(\s+)X__(bits|val)(\s+\S+\s+)}`)
+	b = valRegex.ReplaceAll(b, []byte("type $1 struct {${2}Val$4}"))
+
+	// Intentionally export __fds_bits field in FdSet
+	fdSetRegex := regexp.MustCompile(`type (FdSet) struct {(\s+)X__fds_bits(\s+\S+\s+)}`)
+	b = fdSetRegex.ReplaceAll(b, []byte("type $1 struct {${2}Bits$3}"))
+
 	// If we have empty Ptrace structs, we should delete them. Only s390x emits
 	// nonempty Ptrace structs.
 	ptraceRexexp := regexp.MustCompile(`type Ptrace((Psw|Fpregs|Per) struct {\s*})`)
@@ -61,6 +76,15 @@ func main() {
 	convertUtsnameRegex := regexp.MustCompile(`((Sys|Node|Domain)name|Release|Version|Machine)(\s+)\[(\d+)\]u?int8`)
 	b = convertUtsnameRegex.ReplaceAll(b, []byte("$1$3[$4]byte"))
 
+	// Convert [n]int8 to [n]byte in Statvfs_t members to simplify
+	// conversion to string.
+	convertStatvfsRegex := regexp.MustCompile(`((Fstype|Mnton|Mntfrom)name)(\s+)\[(\d+)\]int8`)
+	b = convertStatvfsRegex.ReplaceAll(b, []byte("$1$3[$4]byte"))
+
+	// Convert [1024]int8 to [1024]byte in Ptmget members
+	convertPtmget := regexp.MustCompile(`([SC]n)(\s+)\[(\d+)\]u?int8`)
+	b = convertPtmget.ReplaceAll(b, []byte("$1[$3]byte"))
+
 	// Remove spare fields (e.g. in Statx_t)
 	spareFieldsRegex := regexp.MustCompile(`X__spare\S*`)
 	b = spareFieldsRegex.ReplaceAll(b, []byte("_"))
@@ -69,12 +93,9 @@ func main() {
 	removePaddingFieldsRegex := regexp.MustCompile(`Pad_cgo_\d+`)
 	b = removePaddingFieldsRegex.ReplaceAll(b, []byte("_"))
 
-	// We refuse to export private fields on s390x
-	if goarch == "s390x" && goos == "linux" {
 	// Remove padding, hidden, or unused fields
-		removeFieldsRegex = regexp.MustCompile(`\bX_\S+`)
+	removeFieldsRegex = regexp.MustCompile(`\b(X_\S+|Padding)`)
 	b = removeFieldsRegex.ReplaceAll(b, []byte("_"))
-	}
 
 	// Remove the first line of warning from cgo
 	b = b[bytes.IndexByte(b, '\n')+1:]
@@ -87,6 +108,15 @@ func main() {
 	cgoCommandRegex := regexp.MustCompile(`(cgo -godefs .*)`)
 	b = cgoCommandRegex.ReplaceAll(b, []byte(replacement))
 
+	// Rename Stat_t time fields
+	if goos == "freebsd" && goarch == "386" {
+		// Hide Stat_t.[AMCB]tim_ext fields
+		renameStatTimeExtFieldsRegex := regexp.MustCompile(`[AMCB]tim_ext`)
+		b = renameStatTimeExtFieldsRegex.ReplaceAll(b, []byte("_"))
+	}
+	renameStatTimeFieldsRegex := regexp.MustCompile(`([AMCB])(?:irth)?time?(?:spec)?\s+(Timespec|StTimespec)`)
+	b = renameStatTimeFieldsRegex.ReplaceAll(b, []byte("${1}tim ${2}"))
+
 	// gofmt
 	b, err = format.Source(b)
 	if err != nil {

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

@@ -0,0 +1,402 @@
+// 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_darwin.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")
+	if goos == "" {
+		fmt.Fprintln(os.Stderr, "GOOS not defined in environment")
+		os.Exit(1)
+	}
+	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") || strings.Contains(buildTags(), ",go1.13")) {
+		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]
+
+			// ClockGettime doesn't have a syscall number on Darwin, only generate libc wrappers.
+			if goos == "darwin" && !libc && funct == "ClockGettime" {
+				continue
+			}
+
+			// 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" || p.Type == "uint64") && 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
+				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 unix
+
+import (
+	"syscall"
+	"unsafe"
+)
+
+var _ syscall.Errno
+
+%s
+`

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

@@ -0,0 +1,415 @@
+// 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" {
+				if sysname == "select" {
+					// select is a keyword of Go. Its name is
+					// changed to c_select.
+					cExtern += "#define c_select select\n"
+				}
+				// 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 += ""
+			}
+			if sysname == "select" {
+				// select is a keyword of Go. Its name is
+				// changed to c_select.
+				call += fmt.Sprintf("C.c_%s(%s)", sysname, arglist)
+			} else {
+				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_ppc64.go

@@ -0,0 +1,614 @@
+// 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
+
+
+This program will generate three files and handle both gc and gccgo implementation:
+  - zsyscall_aix_ppc64.go: the common part of each implementation (error handler, pointer creation)
+  - zsyscall_aix_ppc64_gc.go: gc part with //go_cgo_import_dynamic and a call to syscall6
+  - zsyscall_aix_ppc64_gccgo.go: gccgo part with C function and conversion to C type.
+
+ The generated code looks like this
+
+zsyscall_aix_ppc64.go
+func asyscall(...) (n int, err error) {
+	 // Pointer Creation
+	 r1, e1 := callasyscall(...)
+	 // Type Conversion
+	 // Error Handler
+	 return
+}
+
+zsyscall_aix_ppc64_gc.go
+//go:cgo_import_dynamic libc_asyscall asyscall "libc.a/shr_64.o"
+//go:linkname libc_asyscall libc_asyscall
+var asyscall syscallFunc
+
+func callasyscall(...) (r1 uintptr, e1 Errno) {
+	 r1, _, e1 = syscall6(uintptr(unsafe.Pointer(&libc_asyscall)), "nb_args", ... )
+	 return
+}
+
+zsyscall_aix_ppc64_ggcgo.go
+
+// int asyscall(...)
+
+import "C"
+
+func callasyscall(...) (r1 uintptr, e1 Errno) {
+	 r1 = uintptr(C.asyscall(...))
+	 e1 = syscall.GetErrno()
+	 return
+}
+*/
+
+package main
+
+import (
+	"bufio"
+	"flag"
+	"fmt"
+	"io/ioutil"
+	"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_ppc64.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_ppc64.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*)$`).FindStringSubmatch(p)
+	if ps == nil {
+		fmt.Fprintf(os.Stderr, "malformed parameter: %s\n", p)
+		os.Exit(1)
+	}
+	return Param{ps[1], ps[2]}
+}
+
+func main() {
+	flag.Usage = usage
+	flag.Parse()
+	if len(flag.Args()) <= 0 {
+		fmt.Fprintf(os.Stderr, "no files to parse provided\n")
+		usage()
+	}
+
+	endianness := ""
+	if *b32 {
+		endianness = "big-endian"
+	} else if *l32 {
+		endianness = "little-endian"
+	}
+
+	pack := ""
+	// GCCGO
+	textgccgo := ""
+	cExtern := "/*\n#include <stdint.h>\n"
+	// GC
+	textgc := ""
+	dynimports := ""
+	linknames := ""
+	var vars []string
+	// COMMON
+	textcommon := ""
+	for _, path := range flag.Args() {
+		file, err := os.Open(path)
+		if err != nil {
+			fmt.Fprintf(os.Stderr, err.Error())
+			os.Exit(1)
+		}
+		s := bufio.NewScanner(file)
+		for s.Scan() {
+			t := s.Text()
+			t = strings.TrimSpace(t)
+			t = regexp.MustCompile(`\s+`).ReplaceAllString(t, ` `)
+			if p := regexp.MustCompile(`^package (\S+)$`).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*))?$`).FindStringSubmatch(t)
+			if f == nil {
+				fmt.Fprintf(os.Stderr, "%s:%s\nmalformed //sys declaration\n", path, t)
+				os.Exit(1)
+			}
+			funct, inps, outps, modname, sysname := f[2], f[3], f[4], f[5], f[6]
+
+			// Split argument lists on comma.
+			in := parseParamList(inps)
+			out := parseParamList(outps)
+
+			inps = strings.Join(in, ", ")
+			outps = strings.Join(out, ", ")
+
+			if sysname == "" {
+				sysname = funct
+			}
+
+			onlyCommon := false
+			if funct == "readlen" || funct == "writelen" || funct == "FcntlInt" || funct == "FcntlFlock" {
+				// This function call another syscall which is already implemented.
+				// Therefore, the gc and gccgo part must not be generated.
+				onlyCommon = true
+			}
+
+			// Try in vain to keep people from editing this file.
+			// The theory is that they jump into the middle of the file
+			// without reading the header.
+
+			textcommon += "// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT\n\n"
+			if !onlyCommon {
+				textgccgo += "// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT\n\n"
+				textgc += "// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT\n\n"
+			}
+
+			// Check if value return, err return available
+			errvar := ""
+			rettype := ""
+			for _, param := range out {
+				p := parseParam(param)
+				if p.Type == "error" {
+					errvar = p.Name
+				} else {
+					rettype = p.Type
+				}
+			}
+
+			sysname = regexp.MustCompile(`([a-z])([A-Z])`).ReplaceAllString(sysname, `${1}_$2`)
+			sysname = strings.ToLower(sysname) // All libc functions are lowercase.
+
+			// GCCGO Prototype return type
+			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"
+			}
+
+			// GCCGO Prototype arguments type
+			var cIn []string
+			for i, 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" {
+					if (i == 0 || i == 2) && funct == "fcntl" {
+						// These fcntl arguments needs to be uintptr to be able to call FcntlInt and FcntlFlock
+						cIn = append(cIn, "uintptr_t")
+					} else {
+						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 !onlyCommon {
+				// GCCGO Prototype Generation
+				// Imports of system calls from libc
+				if sysname == "select" {
+					// select is a keyword of Go. Its name is
+					// changed to c_select.
+					cExtern += "#define c_select select\n"
+				}
+				cExtern += fmt.Sprintf("%s %s", cRettype, sysname)
+				cIn := strings.Join(cIn, ", ")
+				cExtern += fmt.Sprintf("(%s);\n", cIn)
+			}
+			// GC Library name
+			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)
+			}
+			sysvarname := fmt.Sprintf("libc_%s", sysname)
+
+			if !onlyCommon {
+				// GC Runtime import of function to allow cross-platform builds.
+				dynimports += fmt.Sprintf("//go:cgo_import_dynamic %s %s \"%s\"\n", sysvarname, sysname, modname)
+				// GC Link symbol to proc address variable.
+				linknames += fmt.Sprintf("//go:linkname %s %s\n", sysvarname, sysvarname)
+				// GC Library proc address variable.
+				vars = append(vars, sysvarname)
+			}
+
+			strconvfunc := "BytePtrFromString"
+			strconvtype := "*byte"
+
+			// Go function header.
+			if outps != "" {
+				outps = fmt.Sprintf(" (%s)", outps)
+			}
+			if textcommon != "" {
+				textcommon += "\n"
+			}
+
+			textcommon += fmt.Sprintf("func %s(%s)%s {\n", funct, strings.Join(in, ", "), outps)
+
+			// Prepare arguments tocall.
+			var argscommon []string // Arguments in the common part
+			var argscall []string   // Arguments for call prototype
+			var argsgc []string     // Arguments for gc call (with syscall6)
+			var argsgccgo []string  // Arguments for gccgo call (with C.name_of_syscall)
+			n := 0
+			argN := 0
+			for _, param := range in {
+				p := parseParam(param)
+				if regexp.MustCompile(`^\*`).FindStringSubmatch(p.Type) != nil {
+					argscommon = append(argscommon, fmt.Sprintf("uintptr(unsafe.Pointer(%s))", p.Name))
+					argscall = append(argscall, fmt.Sprintf("%s uintptr", p.Name))
+					argsgc = append(argsgc, p.Name)
+					argsgccgo = append(argsgccgo, fmt.Sprintf("C.uintptr_t(%s)", p.Name))
+				} else if p.Type == "string" && errvar != "" {
+					textcommon += fmt.Sprintf("\tvar _p%d %s\n", n, strconvtype)
+					textcommon += fmt.Sprintf("\t_p%d, %s = %s(%s)\n", n, errvar, strconvfunc, p.Name)
+					textcommon += fmt.Sprintf("\tif %s != nil {\n\t\treturn\n\t}\n", errvar)
+
+					argscommon = append(argscommon, fmt.Sprintf("uintptr(unsafe.Pointer(_p%d))", n))
+					argscall = append(argscall, fmt.Sprintf("_p%d uintptr ", n))
+					argsgc = append(argsgc, fmt.Sprintf("_p%d", n))
+					argsgccgo = append(argsgccgo, 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")
+					textcommon += fmt.Sprintf("\tvar _p%d %s\n", n, strconvtype)
+					textcommon += fmt.Sprintf("\t_p%d, %s = %s(%s)\n", n, errvar, strconvfunc, p.Name)
+					textcommon += fmt.Sprintf("\tif %s != nil {\n\t\treturn\n\t}\n", errvar)
+
+					argscommon = append(argscommon, fmt.Sprintf("uintptr(unsafe.Pointer(_p%d))", n))
+					argscall = append(argscall, fmt.Sprintf("_p%d uintptr", n))
+					argsgc = append(argsgc, fmt.Sprintf("_p%d", n))
+					argsgccgo = append(argsgccgo, 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.
+					textcommon += fmt.Sprintf("\tvar _p%d *%s\n", n, m[1])
+					textcommon += fmt.Sprintf("\tif len(%s) > 0 {\n\t\t_p%d = &%s[0]\n\t}\n", p.Name, n, p.Name)
+					argscommon = append(argscommon, fmt.Sprintf("uintptr(unsafe.Pointer(_p%d))", n), fmt.Sprintf("len(%s)", p.Name))
+					argscall = append(argscall, fmt.Sprintf("_p%d uintptr", n), fmt.Sprintf("_lenp%d int", n))
+					argsgc = append(argsgc, fmt.Sprintf("_p%d", n), fmt.Sprintf("uintptr(_lenp%d)", n))
+					argsgccgo = append(argsgccgo, fmt.Sprintf("C.uintptr_t(_p%d)", n), fmt.Sprintf("C.size_t(_lenp%d)", n))
+					n++
+				} else if p.Type == "int64" && endianness != "" {
+					fmt.Fprintf(os.Stderr, path+":"+funct+" uses int64 with 32 bits mode. Case not yet implemented\n")
+				} else if p.Type == "bool" {
+					fmt.Fprintf(os.Stderr, path+":"+funct+" uses bool. Case not yet implemented\n")
+				} else if regexp.MustCompile(`^_`).FindStringSubmatch(p.Type) != nil || p.Type == "unsafe.Pointer" {
+					argscommon = append(argscommon, fmt.Sprintf("uintptr(%s)", p.Name))
+					argscall = append(argscall, fmt.Sprintf("%s uintptr", p.Name))
+					argsgc = append(argsgc, p.Name)
+					argsgccgo = append(argsgccgo, fmt.Sprintf("C.uintptr_t(%s)", p.Name))
+				} else if p.Type == "int" {
+					if (argN == 0 || argN == 2) && ((funct == "fcntl") || (funct == "FcntlInt") || (funct == "FcntlFlock")) {
+						// These fcntl arguments need to be uintptr to be able to call FcntlInt and FcntlFlock
+						argscommon = append(argscommon, fmt.Sprintf("uintptr(%s)", p.Name))
+						argscall = append(argscall, fmt.Sprintf("%s uintptr", p.Name))
+						argsgc = append(argsgc, p.Name)
+						argsgccgo = append(argsgccgo, fmt.Sprintf("C.uintptr_t(%s)", p.Name))
+
+					} else {
+						argscommon = append(argscommon, p.Name)
+						argscall = append(argscall, fmt.Sprintf("%s int", p.Name))
+						argsgc = append(argsgc, fmt.Sprintf("uintptr(%s)", p.Name))
+						argsgccgo = append(argsgccgo, fmt.Sprintf("C.int(%s)", p.Name))
+					}
+				} else if p.Type == "int32" {
+					argscommon = append(argscommon, p.Name)
+					argscall = append(argscall, fmt.Sprintf("%s int32", p.Name))
+					argsgc = append(argsgc, fmt.Sprintf("uintptr(%s)", p.Name))
+					argsgccgo = append(argsgccgo, fmt.Sprintf("C.int(%s)", p.Name))
+				} else if p.Type == "int64" {
+					argscommon = append(argscommon, p.Name)
+					argscall = append(argscall, fmt.Sprintf("%s int64", p.Name))
+					argsgc = append(argsgc, fmt.Sprintf("uintptr(%s)", p.Name))
+					argsgccgo = append(argsgccgo, fmt.Sprintf("C.longlong(%s)", p.Name))
+				} else if p.Type == "uint32" {
+					argscommon = append(argscommon, p.Name)
+					argscall = append(argscall, fmt.Sprintf("%s uint32", p.Name))
+					argsgc = append(argsgc, fmt.Sprintf("uintptr(%s)", p.Name))
+					argsgccgo = append(argsgccgo, fmt.Sprintf("C.uint(%s)", p.Name))
+				} else if p.Type == "uint64" {
+					argscommon = append(argscommon, p.Name)
+					argscall = append(argscall, fmt.Sprintf("%s uint64", p.Name))
+					argsgc = append(argsgc, fmt.Sprintf("uintptr(%s)", p.Name))
+					argsgccgo = append(argsgccgo, fmt.Sprintf("C.ulonglong(%s)", p.Name))
+				} else if p.Type == "uintptr" {
+					argscommon = append(argscommon, p.Name)
+					argscall = append(argscall, fmt.Sprintf("%s uintptr", p.Name))
+					argsgc = append(argsgc, p.Name)
+					argsgccgo = append(argsgccgo, fmt.Sprintf("C.uintptr_t(%s)", p.Name))
+				} else {
+					argscommon = append(argscommon, fmt.Sprintf("int(%s)", p.Name))
+					argscall = append(argscall, fmt.Sprintf("%s int", p.Name))
+					argsgc = append(argsgc, fmt.Sprintf("uintptr(%s)", p.Name))
+					argsgccgo = append(argsgccgo, fmt.Sprintf("C.int(%s)", p.Name))
+				}
+				argN++
+			}
+			nargs := len(argsgc)
+
+			// COMMON function generation
+			argscommonlist := strings.Join(argscommon, ", ")
+			callcommon := fmt.Sprintf("call%s(%s)", sysname, argscommonlist)
+			ret := []string{"_", "_"}
+			body := ""
+			doErrno := false
+			for i := 0; i < len(out); i++ {
+				p := parseParam(out[i])
+				reg := ""
+				if p.Name == "err" {
+					reg = "e1"
+					ret[1] = reg
+					doErrno = true
+				} else {
+					reg = "r0"
+					ret[0] = reg
+				}
+				if p.Type == "bool" {
+					reg = fmt.Sprintf("%s != 0", reg)
+				}
+				if reg != "e1" {
+					body += fmt.Sprintf("\t%s = %s(%s)\n", p.Name, p.Type, reg)
+				}
+			}
+			if ret[0] == "_" && ret[1] == "_" {
+				textcommon += fmt.Sprintf("\t%s\n", callcommon)
+			} else {
+				textcommon += fmt.Sprintf("\t%s, %s := %s\n", ret[0], ret[1], callcommon)
+			}
+			textcommon += body
+
+			if doErrno {
+				textcommon += "\tif e1 != 0 {\n"
+				textcommon += "\t\terr = errnoErr(e1)\n"
+				textcommon += "\t}\n"
+			}
+			textcommon += "\treturn\n"
+			textcommon += "}\n"
+
+			if onlyCommon {
+				continue
+			}
+
+			// CALL Prototype
+			callProto := fmt.Sprintf("func call%s(%s) (r1 uintptr, e1 Errno) {\n", sysname, strings.Join(argscall, ", "))
+
+			// GC function generation
+			asm := "syscall6"
+			if nonblock != nil {
+				asm = "rawSyscall6"
+			}
+
+			if len(argsgc) <= 6 {
+				for len(argsgc) < 6 {
+					argsgc = append(argsgc, "0")
+				}
+			} else {
+				fmt.Fprintf(os.Stderr, "%s: too many arguments to system call", funct)
+				os.Exit(1)
+			}
+			argsgclist := strings.Join(argsgc, ", ")
+			callgc := fmt.Sprintf("%s(uintptr(unsafe.Pointer(&%s)), %d, %s)", asm, sysvarname, nargs, argsgclist)
+
+			textgc += callProto
+			textgc += fmt.Sprintf("\tr1, _, e1 = %s\n", callgc)
+			textgc += "\treturn\n}\n"
+
+			// GCCGO function generation
+			argsgccgolist := strings.Join(argsgccgo, ", ")
+			var callgccgo string
+			if sysname == "select" {
+				// select is a keyword of Go. Its name is
+				// changed to c_select.
+				callgccgo = fmt.Sprintf("C.c_%s(%s)", sysname, argsgccgolist)
+			} else {
+				callgccgo = fmt.Sprintf("C.%s(%s)", sysname, argsgccgolist)
+			}
+			textgccgo += callProto
+			textgccgo += fmt.Sprintf("\tr1 = uintptr(%s)\n", callgccgo)
+			textgccgo += "\te1 = syscall.GetErrno()\n"
+			textgccgo += "\treturn\n}\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"
+
+	}
+
+	// Print zsyscall_aix_ppc64.go
+	err := ioutil.WriteFile("zsyscall_aix_ppc64.go",
+		[]byte(fmt.Sprintf(srcTemplate1, cmdLine(), buildTags(), pack, imp, textcommon)),
+		0644)
+	if err != nil {
+		fmt.Fprintf(os.Stderr, err.Error())
+		os.Exit(1)
+	}
+
+	// Print zsyscall_aix_ppc64_gc.go
+	vardecls := "\t" + strings.Join(vars, ",\n\t")
+	vardecls += " syscallFunc"
+	err = ioutil.WriteFile("zsyscall_aix_ppc64_gc.go",
+		[]byte(fmt.Sprintf(srcTemplate2, cmdLine(), buildTags(), pack, imp, dynimports, linknames, vardecls, textgc)),
+		0644)
+	if err != nil {
+		fmt.Fprintf(os.Stderr, err.Error())
+		os.Exit(1)
+	}
+
+	// Print zsyscall_aix_ppc64_gccgo.go
+	err = ioutil.WriteFile("zsyscall_aix_ppc64_gccgo.go",
+		[]byte(fmt.Sprintf(srcTemplate3, cmdLine(), buildTags(), pack, cExtern, imp, textgccgo)),
+		0644)
+	if err != nil {
+		fmt.Fprintf(os.Stderr, err.Error())
+		os.Exit(1)
+	}
+}
+
+const srcTemplate1 = `// %s
+// Code generated by the command above; see README.md. DO NOT EDIT.
+
+// +build %s
+
+package %s
+
+import (
+	"unsafe"
+)
+
+
+%s
+
+%s
+`
+const srcTemplate2 = `// %s
+// Code generated by the command above; see README.md. DO NOT EDIT.
+
+// +build %s
+// +build !gccgo
+
+package %s
+
+import (
+	"unsafe"
+)
+%s
+%s
+%s
+type syscallFunc uintptr
+
+var (
+%s
+)
+
+// Implemented in runtime/syscall_aix.go.
+func rawSyscall6(trap, nargs, a1, a2, a3, a4, a5, a6 uintptr) (r1, r2 uintptr, err Errno)
+func syscall6(trap, nargs, a1, a2, a3, a4, a5, a6 uintptr) (r1, r2 uintptr, err Errno)
+
+%s
+`
+const srcTemplate3 = `// %s
+// Code generated by the command above; see README.md. DO NOT EDIT.
+
+// +build %s
+// +build gccgo
+
+package %s
+
+%s
+*/
+import "C"
+import (
+	"syscall"
+)
+
+
+%s
+
+%s
+`

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

@@ -0,0 +1,341 @@
+// 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_solaris.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")
+	tags    = flag.String("tags", "", "build tags")
+	illumos = flag.Bool("illumos", false, "illumos specific code generation")
+)
+
+// cmdLine returns this programs's commandline arguments
+func cmdLine() string {
+	return "go run mksyscall_solaris.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_solaris.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*)$`).FindStringSubmatch(p)
+	if ps == nil {
+		fmt.Fprintf(os.Stderr, "malformed parameter: %s\n", p)
+		os.Exit(1)
+	}
+	return Param{ps[1], ps[2]}
+}
+
+func main() {
+	flag.Usage = usage
+	flag.Parse()
+	if len(flag.Args()) <= 0 {
+		fmt.Fprintf(os.Stderr, "no files to parse provided\n")
+		usage()
+	}
+
+	endianness := ""
+	if *b32 {
+		endianness = "big-endian"
+	} else if *l32 {
+		endianness = "little-endian"
+	}
+
+	pack := ""
+	text := ""
+	dynimports := ""
+	linknames := ""
+	var vars []string
+	for _, path := range flag.Args() {
+		file, err := os.Open(path)
+		if err != nil {
+			fmt.Fprintf(os.Stderr, err.Error())
+			os.Exit(1)
+		}
+		s := bufio.NewScanner(file)
+		for s.Scan() {
+			t := s.Text()
+			t = strings.TrimSpace(t)
+			t = regexp.MustCompile(`\s+`).ReplaceAllString(t, ` `)
+			if p := regexp.MustCompile(`^package (\S+)$`).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"
+
+			// So file name.
+			if modname == "" {
+				modname = "libc"
+			}
+
+			// System call name.
+			if sysname == "" {
+				sysname = funct
+			}
+
+			// System call pointer variable name.
+			sysvarname := fmt.Sprintf("proc%s", sysname)
+
+			strconvfunc := "BytePtrFromString"
+			strconvtype := "*byte"
+
+			sysname = strings.ToLower(sysname) // All libc functions are lowercase.
+
+			// Runtime import of function to allow cross-platform builds.
+			dynimports += fmt.Sprintf("//go:cgo_import_dynamic libc_%s %s \"%s.so\"\n", sysname, sysname, modname)
+			// Link symbol to proc address variable.
+			linknames += fmt.Sprintf("//go:linkname %s libc_%s\n", sysvarname, sysname)
+			// Library proc address variable.
+			vars = append(vars, sysvarname)
+
+			// Go function header.
+			outlist := strings.Join(out, ", ")
+			if outlist != "" {
+				outlist = fmt.Sprintf(" (%s)", outlist)
+			}
+			if text != "" {
+				text += "\n"
+			}
+			text += fmt.Sprintf("func %s(%s)%s {\n", funct, strings.Join(in, ", "), outlist)
+
+			// Check if err return available
+			errvar := ""
+			for _, param := range out {
+				p := parseParam(param)
+				if p.Type == "error" {
+					errvar = p.Name
+					continue
+				}
+			}
+
+			// 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 %s\n", n, strconvtype)
+					text += fmt.Sprintf("\t_p%d, %s = %s(%s)\n", n, errvar, strconvfunc, 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 %s\n", n, strconvtype)
+					text += fmt.Sprintf("\t_p%d, _ = %s(%s)\n", n, strconvfunc, p.Name)
+					args = append(args, fmt.Sprintf("uintptr(unsafe.Pointer(_p%d))", n))
+					n++
+				} else if s := regexp.MustCompile(`^\[\](.*)`).FindStringSubmatch(p.Type); s != 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, s[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("uintptr(unsafe.Pointer(_p%d))", n), fmt.Sprintf("uintptr(len(%s))", p.Name))
+					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))
+					}
+				} 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("uintptr(_p%d)", n))
+					n++
+				} else {
+					args = append(args, fmt.Sprintf("uintptr(%s)", p.Name))
+				}
+			}
+			nargs := len(args)
+
+			// Determine which form to use; pad args with zeros.
+			asm := "sysvicall6"
+			if nonblock != nil {
+				asm = "rawSysvicall6"
+			}
+			if len(args) <= 6 {
+				for len(args) < 6 {
+					args = append(args, "0")
+				}
+			} else {
+				fmt.Fprintf(os.Stderr, "%s: too many arguments to system call\n", path)
+				os.Exit(1)
+			}
+
+			// Actual call.
+			arglist := strings.Join(args, ", ")
+			call := fmt.Sprintf("%s(uintptr(unsafe.Pointer(&%s)), %d, %s)", asm, sysvarname, nargs, 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" {
+					reg = "e1"
+					ret[2] = reg
+					doErrno = true
+				} else {
+					reg = fmt.Sprintf("r%d", i)
+					ret[i] = reg
+				}
+				if p.Type == "bool" {
+					reg = fmt.Sprintf("%d != 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: not enough registers for int64 return\n", path)
+						os.Exit(1)
+					}
+					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" {
+					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 {
+				text += fmt.Sprintf("\t%s, %s, %s := %s\n", ret[0], ret[1], ret[2], call)
+			}
+			text += body
+
+			if doErrno {
+				text += "\tif e1 != 0 {\n"
+				text += "\t\terr = e1\n"
+				text += "\t}\n"
+			}
+			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"
+	}
+
+	syscallimp := ""
+	if !*illumos {
+		syscallimp = "\"syscall\""
+	}
+
+	vardecls := "\t" + strings.Join(vars, ",\n\t")
+	vardecls += " syscallFunc"
+	fmt.Printf(srcTemplate, cmdLine(), buildTags(), pack, syscallimp, imp, dynimports, linknames, vardecls, text)
+}
+
+const srcTemplate = `// %s
+// Code generated by the command above; see README.md. DO NOT EDIT.
+
+// +build %s
+
+package %s
+
+import (
+        "unsafe"
+        %s
+)
+%s
+%s
+%s
+var (
+%s	
+)
+
+%s
+`

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

@@ -0,0 +1,355 @@
+// 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
+
+// Parse the header files for OpenBSD and generate a Go usable sysctl MIB.
+//
+// Build a MIB with each entry being an array containing the level, type and
+// a hash that will contain additional entries if the current entry is a node.
+// We then walk this MIB and create a flattened sysctl name to OID hash.
+
+package main
+
+import (
+	"bufio"
+	"fmt"
+	"os"
+	"path/filepath"
+	"regexp"
+	"sort"
+	"strings"
+)
+
+var (
+	goos, goarch string
+)
+
+// cmdLine returns this programs's commandline arguments.
+func cmdLine() string {
+	return "go run mksysctl_openbsd.go " + strings.Join(os.Args[1:], " ")
+}
+
+// buildTags returns build tags.
+func buildTags() string {
+	return fmt.Sprintf("%s,%s", goarch, goos)
+}
+
+// reMatch performs regular expression match and stores the substring slice to value pointed by m.
+func reMatch(re *regexp.Regexp, str string, m *[]string) bool {
+	*m = re.FindStringSubmatch(str)
+	if *m != nil {
+		return true
+	}
+	return false
+}
+
+type nodeElement struct {
+	n  int
+	t  string
+	pE *map[string]nodeElement
+}
+
+var (
+	debugEnabled bool
+	mib          map[string]nodeElement
+	node         *map[string]nodeElement
+	nodeMap      map[string]string
+	sysCtl       []string
+)
+
+var (
+	ctlNames1RE = regexp.MustCompile(`^#define\s+(CTL_NAMES)\s+{`)
+	ctlNames2RE = regexp.MustCompile(`^#define\s+(CTL_(.*)_NAMES)\s+{`)
+	ctlNames3RE = regexp.MustCompile(`^#define\s+((.*)CTL_NAMES)\s+{`)
+	netInetRE   = regexp.MustCompile(`^netinet/`)
+	netInet6RE  = regexp.MustCompile(`^netinet6/`)
+	netRE       = regexp.MustCompile(`^net/`)
+	bracesRE    = regexp.MustCompile(`{.*}`)
+	ctlTypeRE   = regexp.MustCompile(`{\s+"(\w+)",\s+(CTLTYPE_[A-Z]+)\s+}`)
+	fsNetKernRE = regexp.MustCompile(`^(fs|net|kern)_`)
+)
+
+func debug(s string) {
+	if debugEnabled {
+		fmt.Fprintln(os.Stderr, s)
+	}
+}
+
+// Walk the MIB and build a sysctl name to OID mapping.
+func buildSysctl(pNode *map[string]nodeElement, name string, oid []int) {
+	lNode := pNode // local copy of pointer to node
+	var keys []string
+	for k := range *lNode {
+		keys = append(keys, k)
+	}
+	sort.Strings(keys)
+
+	for _, key := range keys {
+		nodename := name
+		if name != "" {
+			nodename += "."
+		}
+		nodename += key
+
+		nodeoid := append(oid, (*pNode)[key].n)
+
+		if (*pNode)[key].t == `CTLTYPE_NODE` {
+			if _, ok := nodeMap[nodename]; ok {
+				lNode = &mib
+				ctlName := nodeMap[nodename]
+				for _, part := range strings.Split(ctlName, ".") {
+					lNode = ((*lNode)[part]).pE
+				}
+			} else {
+				lNode = (*pNode)[key].pE
+			}
+			buildSysctl(lNode, nodename, nodeoid)
+		} else if (*pNode)[key].t != "" {
+			oidStr := []string{}
+			for j := range nodeoid {
+				oidStr = append(oidStr, fmt.Sprintf("%d", nodeoid[j]))
+			}
+			text := "\t{ \"" + nodename + "\", []_C_int{ " + strings.Join(oidStr, ", ") + " } }, \n"
+			sysCtl = append(sysCtl, text)
+		}
+	}
+}
+
+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)
+	}
+
+	mib = make(map[string]nodeElement)
+	headers := [...]string{
+		`sys/sysctl.h`,
+		`sys/socket.h`,
+		`sys/tty.h`,
+		`sys/malloc.h`,
+		`sys/mount.h`,
+		`sys/namei.h`,
+		`sys/sem.h`,
+		`sys/shm.h`,
+		`sys/vmmeter.h`,
+		`uvm/uvmexp.h`,
+		`uvm/uvm_param.h`,
+		`uvm/uvm_swap_encrypt.h`,
+		`ddb/db_var.h`,
+		`net/if.h`,
+		`net/if_pfsync.h`,
+		`net/pipex.h`,
+		`netinet/in.h`,
+		`netinet/icmp_var.h`,
+		`netinet/igmp_var.h`,
+		`netinet/ip_ah.h`,
+		`netinet/ip_carp.h`,
+		`netinet/ip_divert.h`,
+		`netinet/ip_esp.h`,
+		`netinet/ip_ether.h`,
+		`netinet/ip_gre.h`,
+		`netinet/ip_ipcomp.h`,
+		`netinet/ip_ipip.h`,
+		`netinet/pim_var.h`,
+		`netinet/tcp_var.h`,
+		`netinet/udp_var.h`,
+		`netinet6/in6.h`,
+		`netinet6/ip6_divert.h`,
+		`netinet6/pim6_var.h`,
+		`netinet/icmp6.h`,
+		`netmpls/mpls.h`,
+	}
+
+	ctls := [...]string{
+		`kern`,
+		`vm`,
+		`fs`,
+		`net`,
+		//debug			/* Special handling required */
+		`hw`,
+		//machdep		/* Arch specific */
+		`user`,
+		`ddb`,
+		//vfs			/* Special handling required */
+		`fs.posix`,
+		`kern.forkstat`,
+		`kern.intrcnt`,
+		`kern.malloc`,
+		`kern.nchstats`,
+		`kern.seminfo`,
+		`kern.shminfo`,
+		`kern.timecounter`,
+		`kern.tty`,
+		`kern.watchdog`,
+		`net.bpf`,
+		`net.ifq`,
+		`net.inet`,
+		`net.inet.ah`,
+		`net.inet.carp`,
+		`net.inet.divert`,
+		`net.inet.esp`,
+		`net.inet.etherip`,
+		`net.inet.gre`,
+		`net.inet.icmp`,
+		`net.inet.igmp`,
+		`net.inet.ip`,
+		`net.inet.ip.ifq`,
+		`net.inet.ipcomp`,
+		`net.inet.ipip`,
+		`net.inet.mobileip`,
+		`net.inet.pfsync`,
+		`net.inet.pim`,
+		`net.inet.tcp`,
+		`net.inet.udp`,
+		`net.inet6`,
+		`net.inet6.divert`,
+		`net.inet6.ip6`,
+		`net.inet6.icmp6`,
+		`net.inet6.pim6`,
+		`net.inet6.tcp6`,
+		`net.inet6.udp6`,
+		`net.mpls`,
+		`net.mpls.ifq`,
+		`net.key`,
+		`net.pflow`,
+		`net.pfsync`,
+		`net.pipex`,
+		`net.rt`,
+		`vm.swapencrypt`,
+		//vfsgenctl		/* Special handling required */
+	}
+
+	// Node name "fixups"
+	ctlMap := map[string]string{
+		"ipproto":             "net.inet",
+		"net.inet.ipproto":    "net.inet",
+		"net.inet6.ipv6proto": "net.inet6",
+		"net.inet6.ipv6":      "net.inet6.ip6",
+		"net.inet.icmpv6":     "net.inet6.icmp6",
+		"net.inet6.divert6":   "net.inet6.divert",
+		"net.inet6.tcp6":      "net.inet.tcp",
+		"net.inet6.udp6":      "net.inet.udp",
+		"mpls":                "net.mpls",
+		"swpenc":              "vm.swapencrypt",
+	}
+
+	// Node mappings
+	nodeMap = map[string]string{
+		"net.inet.ip.ifq": "net.ifq",
+		"net.inet.pfsync": "net.pfsync",
+		"net.mpls.ifq":    "net.ifq",
+	}
+
+	mCtls := make(map[string]bool)
+	for _, ctl := range ctls {
+		mCtls[ctl] = true
+	}
+
+	for _, header := range headers {
+		debug("Processing " + header)
+		file, err := os.Open(filepath.Join("/usr/include", header))
+		if err != nil {
+			fmt.Fprintf(os.Stderr, "%v\n", err)
+			os.Exit(1)
+		}
+		s := bufio.NewScanner(file)
+		for s.Scan() {
+			var sub []string
+			if reMatch(ctlNames1RE, s.Text(), &sub) ||
+				reMatch(ctlNames2RE, s.Text(), &sub) ||
+				reMatch(ctlNames3RE, s.Text(), &sub) {
+				if sub[1] == `CTL_NAMES` {
+					// Top level.
+					node = &mib
+				} else {
+					// Node.
+					nodename := strings.ToLower(sub[2])
+					ctlName := ""
+					if reMatch(netInetRE, header, &sub) {
+						ctlName = "net.inet." + nodename
+					} else if reMatch(netInet6RE, header, &sub) {
+						ctlName = "net.inet6." + nodename
+					} else if reMatch(netRE, header, &sub) {
+						ctlName = "net." + nodename
+					} else {
+						ctlName = nodename
+						ctlName = fsNetKernRE.ReplaceAllString(ctlName, `$1.`)
+					}
+
+					if val, ok := ctlMap[ctlName]; ok {
+						ctlName = val
+					}
+					if _, ok := mCtls[ctlName]; !ok {
+						debug("Ignoring " + ctlName + "...")
+						continue
+					}
+
+					// Walk down from the top of the MIB.
+					node = &mib
+					for _, part := range strings.Split(ctlName, ".") {
+						if _, ok := (*node)[part]; !ok {
+							debug("Missing node " + part)
+							(*node)[part] = nodeElement{n: 0, t: "", pE: &map[string]nodeElement{}}
+						}
+						node = (*node)[part].pE
+					}
+				}
+
+				// Populate current node with entries.
+				i := -1
+				for !strings.HasPrefix(s.Text(), "}") {
+					s.Scan()
+					if reMatch(bracesRE, s.Text(), &sub) {
+						i++
+					}
+					if !reMatch(ctlTypeRE, s.Text(), &sub) {
+						continue
+					}
+					(*node)[sub[1]] = nodeElement{n: i, t: sub[2], pE: &map[string]nodeElement{}}
+				}
+			}
+		}
+		err = s.Err()
+		if err != nil {
+			fmt.Fprintf(os.Stderr, "%v\n", err)
+			os.Exit(1)
+		}
+		file.Close()
+	}
+	buildSysctl(&mib, "", []int{})
+
+	sort.Strings(sysCtl)
+	text := strings.Join(sysCtl, "")
+
+	fmt.Printf(srcTemplate, cmdLine(), buildTags(), text)
+}
+
+const srcTemplate = `// %s
+// Code generated by the command above; DO NOT EDIT.
+
+// +build %s
+
+package unix
+
+type mibentry struct {
+	ctlname string
+	ctloid []_C_int
+}
+
+var sysctlMib = []mibentry {
+%s
+}
+`

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+).*)$`) {
+				num, proto := t.sub[1], t.sub[2]
+				name := fmt.Sprintf("SYS_%s", t.sub[3])
+				text += format(name, num, proto)
+			}
+		case "freebsd":
+			if t.Match(`^([0-9]+)\s+\S+\s+(?:(?:NO)?STD|COMPAT10)\s+({ \S+\s+(\w+).*)$`) {
+				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/mmap_unix_test.go

@@ -1,35 +0,0 @@
-// Copyright 2014 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 dragonfly freebsd linux netbsd openbsd solaris
-
-package unix_test
-
-import (
-	"testing"
-
-	"golang.org/x/sys/unix"
-)
-
-func TestMmap(t *testing.T) {
-	b, err := unix.Mmap(-1, 0, unix.Getpagesize(), unix.PROT_NONE, unix.MAP_ANON|unix.MAP_PRIVATE)
-	if err != nil {
-		t.Fatalf("Mmap: %v", err)
-	}
-	if err := unix.Mprotect(b, unix.PROT_READ|unix.PROT_WRITE); err != nil {
-		t.Fatalf("Mprotect: %v", err)
-	}
-
-	b[0] = 42
-
-	if err := unix.Msync(b, unix.MS_SYNC); err != nil {
-		t.Fatalf("Msync: %v", err)
-	}
-	if err := unix.Madvise(b, unix.MADV_DONTNEED); err != nil {
-		t.Fatalf("Madvise: %v", err)
-	}
-	if err := unix.Munmap(b); err != nil {
-		t.Fatalf("Munmap: %v", err)
-	}
-}

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

@@ -1,38 +0,0 @@
-// Copyright 2016 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 openbsd
-// +build 386 amd64 arm
-
-package unix
-
-import (
-	"syscall"
-	"unsafe"
-)
-
-const (
-	SYS_PLEDGE = 108
-)
-
-// Pledge implements the pledge syscall. For more information see pledge(2).
-func Pledge(promises string, paths []string) error {
-	promisesPtr, err := syscall.BytePtrFromString(promises)
-	if err != nil {
-		return err
-	}
-	promisesUnsafe, pathsUnsafe := unsafe.Pointer(promisesPtr), unsafe.Pointer(nil)
-	if paths != nil {
-		var pathsPtr []*byte
-		if pathsPtr, err = syscall.SlicePtrFromStrings(paths); err != nil {
-			return err
-		}
-		pathsUnsafe = unsafe.Pointer(&pathsPtr[0])
-	}
-	_, _, e := syscall.Syscall(SYS_PLEDGE, uintptr(promisesUnsafe), uintptr(pathsUnsafe), 0)
-	if e != 0 {
-		return e
-	}
-	return nil
-}

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

@@ -1,113 +0,0 @@
-// Copyright 2016 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 openbsd
-
-// This, on the face of it, bizarre testing mechanism is necessary because
-// the only reliable way to gauge whether or not a pledge(2) call has succeeded
-// is that the program has been killed as a result of breaking its pledge.
-
-package unix_test
-
-import (
-	"flag"
-	"fmt"
-	"io/ioutil"
-	"os"
-	"os/exec"
-	"path/filepath"
-	"testing"
-
-	"golang.org/x/sys/unix"
-)
-
-type testProc struct {
-	fn      func()       // should always exit instead of returning
-	cleanup func() error // for instance, delete coredumps from testing pledge
-	success bool         // whether zero-exit means success or failure
-}
-
-var (
-	testProcs = map[string]testProc{}
-	procName  = ""
-)
-
-const (
-	optName = "sys-unix-internal-procname"
-)
-
-func init() {
-	flag.StringVar(&procName, optName, "", "internal use only")
-}
-
-// testCmd generates a proper command that, when executed, runs the test
-// corresponding to the given key.
-func testCmd(procName string) (*exec.Cmd, error) {
-	exe, err := filepath.Abs(os.Args[0])
-	if err != nil {
-		return nil, err
-	}
-	cmd := exec.Command(exe, "-"+optName+"="+procName)
-	cmd.Stdout, cmd.Stderr = os.Stdout, os.Stderr
-	return cmd, nil
-}
-
-// ExitsCorrectly is a comprehensive, one-line-of-use wrapper for testing
-// a testProc with a key.
-func ExitsCorrectly(procName string, t *testing.T) {
-	s := testProcs[procName]
-	c, err := testCmd(procName)
-	defer func() {
-		if s.cleanup() != nil {
-			t.Fatalf("Failed to run cleanup for %s", procName)
-		}
-	}()
-	if err != nil {
-		t.Fatalf("Failed to construct command for %s", procName)
-	}
-	if (c.Run() == nil) != s.success {
-		result := "succeed"
-		if !s.success {
-			result = "fail"
-		}
-		t.Fatalf("Process did not %s when it was supposed to", result)
-	}
-}
-
-func TestMain(m *testing.M) {
-	flag.Parse()
-	if procName != "" {
-		testProcs[procName].fn()
-	}
-	os.Exit(m.Run())
-}
-
-// For example, add a test for pledge.
-func init() {
-	testProcs["pledge"] = testProc{
-		func() {
-			fmt.Println(unix.Pledge("", nil))
-			os.Exit(0)
-		},
-		func() error {
-			files, err := ioutil.ReadDir(".")
-			if err != nil {
-				return err
-			}
-			for _, file := range files {
-				if filepath.Ext(file.Name()) == ".core" {
-					if err := os.Remove(file.Name()); err != nil {
-						return err
-					}
-				}
-			}
-			return nil
-		},
-		false,
-	}
-}
-
-func TestPledge(t *testing.T) {
-	ExitsCorrectly("pledge", t)
-}

vendor/golang.org/x/sys/unix/pagesize_unix.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 solaris
+// +build aix darwin dragonfly freebsd linux netbsd openbsd solaris
 
 // For Unix, get the pagesize from the runtime.
 

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

@@ -0,0 +1,163 @@
+// Copyright 2016 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 (
+	"errors"
+	"fmt"
+	"strconv"
+	"syscall"
+	"unsafe"
+)
+
+// Pledge implements the pledge syscall.
+//
+// The pledge syscall does not accept execpromises on OpenBSD releases
+// before 6.3.
+//
+// execpromises must be empty when Pledge is called on OpenBSD
+// releases predating 6.3, otherwise an error will be returned.
+//
+// For more information see pledge(2).
+func Pledge(promises, execpromises string) error {
+	maj, min, err := majmin()
+	if err != nil {
+		return err
+	}
+
+	err = pledgeAvailable(maj, min, execpromises)
+	if err != nil {
+		return err
+	}
+
+	pptr, err := syscall.BytePtrFromString(promises)
+	if err != nil {
+		return err
+	}
+
+	// This variable will hold either a nil unsafe.Pointer or
+	// an unsafe.Pointer to a string (execpromises).
+	var expr unsafe.Pointer
+
+	// If we're running on OpenBSD > 6.2, pass execpromises to the syscall.
+	if maj > 6 || (maj == 6 && min > 2) {
+		exptr, err := syscall.BytePtrFromString(execpromises)
+		if err != nil {
+			return err
+		}
+		expr = unsafe.Pointer(exptr)
+	}
+
+	_, _, e := syscall.Syscall(SYS_PLEDGE, uintptr(unsafe.Pointer(pptr)), uintptr(expr), 0)
+	if e != 0 {
+		return e
+	}
+
+	return nil
+}
+
+// PledgePromises implements the pledge syscall.
+//
+// This changes the promises and leaves the execpromises untouched.
+//
+// For more information see pledge(2).
+func PledgePromises(promises string) error {
+	maj, min, err := majmin()
+	if err != nil {
+		return err
+	}
+
+	err = pledgeAvailable(maj, min, "")
+	if err != nil {
+		return err
+	}
+
+	// This variable holds the execpromises and is always nil.
+	var expr unsafe.Pointer
+
+	pptr, err := syscall.BytePtrFromString(promises)
+	if err != nil {
+		return err
+	}
+
+	_, _, e := syscall.Syscall(SYS_PLEDGE, uintptr(unsafe.Pointer(pptr)), uintptr(expr), 0)
+	if e != 0 {
+		return e
+	}
+
+	return nil
+}
+
+// PledgeExecpromises implements the pledge syscall.
+//
+// This changes the execpromises and leaves the promises untouched.
+//
+// For more information see pledge(2).
+func PledgeExecpromises(execpromises string) error {
+	maj, min, err := majmin()
+	if err != nil {
+		return err
+	}
+
+	err = pledgeAvailable(maj, min, execpromises)
+	if err != nil {
+		return err
+	}
+
+	// This variable holds the promises and is always nil.
+	var pptr unsafe.Pointer
+
+	exptr, err := syscall.BytePtrFromString(execpromises)
+	if err != nil {
+		return err
+	}
+
+	_, _, e := syscall.Syscall(SYS_PLEDGE, uintptr(pptr), uintptr(unsafe.Pointer(exptr)), 0)
+	if e != 0 {
+		return e
+	}
+
+	return nil
+}
+
+// majmin returns major and minor version number for an OpenBSD system.
+func majmin() (major int, minor int, err error) {
+	var v Utsname
+	err = Uname(&v)
+	if err != nil {
+		return
+	}
+
+	major, err = strconv.Atoi(string(v.Release[0]))
+	if err != nil {
+		err = errors.New("cannot parse major version number returned by uname")
+		return
+	}
+
+	minor, err = strconv.Atoi(string(v.Release[2]))
+	if err != nil {
+		err = errors.New("cannot parse minor version number returned by uname")
+		return
+	}
+
+	return
+}
+
+// pledgeAvailable checks for availability of the pledge(2) syscall
+// based on the running OpenBSD version.
+func pledgeAvailable(maj, min int, execpromises string) error {
+	// If OpenBSD <= 5.9, pledge is not available.
+	if (maj == 5 && min != 9) || maj < 5 {
+		return fmt.Errorf("pledge syscall is not available on OpenBSD %d.%d", maj, min)
+	}
+
+	// If OpenBSD <= 6.2 and execpromises is not empty,
+	// return an error - execpromises is not available before 6.3
+	if (maj < 6 || (maj == 6 && min <= 2)) && execpromises != "" {
+		return fmt.Errorf("cannot use execpromises on OpenBSD %d.%d", maj, min)
+	}
+
+	return nil
+}

vendor/golang.org/x/sys/unix/race0.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,!race linux,!race freebsd,!race netbsd openbsd solaris dragonfly
+// +build aix darwin,!race linux,!race freebsd,!race netbsd openbsd solaris dragonfly
 
 package unix
 

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

@@ -0,0 +1,12 @@
+// 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 aix dragonfly freebsd linux netbsd openbsd
+
+package unix
+
+// ReadDirent reads directory entries from fd and writes them into buf.
+func ReadDirent(fd int, buf []byte) (n int, err error) {
+	return Getdents(fd, buf)
+}

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

@@ -0,0 +1,19 @@
+// 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 darwin
+
+package unix
+
+import "unsafe"
+
+// ReadDirent reads directory entries from fd and writes them into buf.
+func ReadDirent(fd int, buf []byte) (n int, err error) {
+	// Final argument is (basep *uintptr) and the syscall doesn't take nil.
+	// 64 bits should be enough. (32 bits isn't even on 386). Since the
+	// actual system call is getdirentries64, 64 is a good guess.
+	// TODO(rsc): Can we use a single global basep for all calls?
+	var base = (*uintptr)(unsafe.Pointer(new(uint64)))
+	return Getdirentries(fd, buf, base)
+}

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

@@ -0,0 +1,16 @@
+// 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
+
+// Round the length of a raw sockaddr up to align it properly.
+func cmsgAlignOf(salen int) int {
+	salign := SizeofPtr
+	if SizeofPtr == 8 && !supportsABI(_dragonflyABIChangeVersion) {
+		// 64-bit Dragonfly before the September 2019 ABI changes still requires
+		// 32-bit aligned access to network subsystem.
+		salign = 4
+	}
+	return (salen + salign - 1) & ^(salign - 1)
+}

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

@@ -17,7 +17,7 @@ func UnixCredentials(ucred *Ucred) []byte {
 	h.Level = SOL_SOCKET
 	h.Type = SCM_CREDENTIALS
 	h.SetLen(CmsgLen(SizeofUcred))
-	*((*Ucred)(cmsgData(h))) = *ucred
+	*(*Ucred)(h.data(0)) = *ucred
 	return b
 }
 

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

@@ -2,25 +2,15 @@
 // 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 solaris
+// +build aix darwin dragonfly freebsd linux netbsd openbsd solaris
 
 // Socket control messages
 
 package unix
 
-import "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
-	}
-	return (salen + salign - 1) & ^(salign - 1)
-}
+import (
+	"unsafe"
+)
 
 // CmsgLen returns the value to store in the Len field of the Cmsghdr
 // structure, taking into account any necessary alignment.
@@ -34,8 +24,8 @@ func CmsgSpace(datalen int) int {
 	return cmsgAlignOf(SizeofCmsghdr) + cmsgAlignOf(datalen)
 }
 
-func cmsgData(h *Cmsghdr) unsafe.Pointer {
-	return unsafe.Pointer(uintptr(unsafe.Pointer(h)) + uintptr(cmsgAlignOf(SizeofCmsghdr)))
+func (h *Cmsghdr) data(offset uintptr) unsafe.Pointer {
+	return unsafe.Pointer(uintptr(unsafe.Pointer(h)) + uintptr(cmsgAlignOf(SizeofCmsghdr)) + offset)
 }
 
 // SocketControlMessage represents a socket control message.
@@ -78,10 +68,8 @@ func UnixRights(fds ...int) []byte {
 	h.Level = SOL_SOCKET
 	h.Type = SCM_RIGHTS
 	h.SetLen(CmsgLen(datalen))
-	data := cmsgData(h)
-	for _, fd := range fds {
-		*(*int32)(data) = int32(fd)
-		data = unsafe.Pointer(uintptr(data) + 4)
+	for i, fd := range fds {
+		*(*int32)(h.data(4 * uintptr(i))) = int32(fd)
 	}
 	return b
 }

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

@@ -0,0 +1,38 @@
+// 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 aix darwin freebsd linux netbsd openbsd solaris
+
+package unix
+
+import (
+	"runtime"
+)
+
+// Round the length of a raw sockaddr up to align it properly.
+func cmsgAlignOf(salen int) int {
+	salign := SizeofPtr
+
+	// dragonfly needs to check ABI version at runtime, see cmsgAlignOf in
+	// sockcmsg_dragonfly.go
+	switch runtime.GOOS {
+	case "aix":
+		// There is no alignment on AIX.
+		salign = 1
+	case "darwin", "illumos", "solaris":
+		// NOTE: It seems like 64-bit Darwin, Illumos and Solaris
+		// kernels still require 32-bit aligned access to network
+		// subsystem.
+		if SizeofPtr == 8 {
+			salign = 4
+		}
+	case "netbsd", "openbsd":
+		// NetBSD and OpenBSD armv7 require 64-bit alignment.
+		if runtime.GOARCH == "arm" {
+			salign = 8
+		}
+	}
+
+	return (salen + salign - 1) & ^(salign - 1)
+}

vendor/golang.org/x/sys/unix/str.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 solaris
+// +build aix darwin dragonfly freebsd linux netbsd openbsd solaris
 
 package unix
 

vendor/golang.org/x/sys/unix/syscall.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 solaris
+// +build aix darwin dragonfly freebsd linux netbsd openbsd solaris
 
 // Package unix contains an interface to the low-level operating system
 // primitives. OS details vary depending on the underlying system, and
@@ -11,25 +11,28 @@
 // system, set $GOOS and $GOARCH to the desired system. For example, if
 // you want to view documentation for freebsd/arm on linux/amd64, set $GOOS
 // to freebsd and $GOARCH to arm.
+//
 // The primary use of this package is inside other packages that provide a more
 // portable interface to the system, such as "os", "time" and "net".  Use
 // those packages rather than this one if you can.
+//
 // For details of the functions and data types in this package consult
 // the manuals for the appropriate operating system.
+//
 // These calls return err == nil to indicate success; otherwise
 // err represents an operating system error describing the failure and
 // holds a value of type syscall.Errno.
 package unix // import "golang.org/x/sys/unix"
 
+import "strings"
+
 // ByteSliceFromString returns a NUL-terminated slice of bytes
 // containing the text of s. If s contains a NUL byte at any
 // location, it returns (nil, EINVAL).
 func ByteSliceFromString(s string) ([]byte, error) {
-	for i := 0; i < len(s); i++ {
-		if s[i] == 0 {
+	if strings.IndexByte(s, 0) != -1 {
 		return nil, EINVAL
 	}
-	}
 	a := make([]byte, len(s)+1)
 	copy(a, s)
 	return a, nil
@@ -47,5 +50,4 @@ func BytePtrFromString(s string) (*byte, error) {
 }
 
 // Single-word zero for use when we need a valid pointer to 0 bytes.
-// See mkunix.pl.
 var _zero uintptr

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

@@ -0,0 +1,536 @@
+// 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
+
+// Aix system calls.
+// This file is compiled as ordinary Go code,
+// but it is also input to mksyscall,
+// which parses the //sys lines and generates system call stubs.
+// Note that sometimes we use a lowercase //sys name and
+// wrap it in our own nicer implementation.
+
+package unix
+
+import "unsafe"
+
+/*
+ * Wrapped
+ */
+
+//sys	utimes(path string, times *[2]Timeval) (err error)
+func Utimes(path string, tv []Timeval) error {
+	if len(tv) != 2 {
+		return EINVAL
+	}
+	return utimes(path, (*[2]Timeval)(unsafe.Pointer(&tv[0])))
+}
+
+//sys	utimensat(dirfd int, path string, times *[2]Timespec, flag int) (err error)
+func UtimesNano(path string, ts []Timespec) error {
+	if len(ts) != 2 {
+		return EINVAL
+	}
+	return utimensat(AT_FDCWD, path, (*[2]Timespec)(unsafe.Pointer(&ts[0])), 0)
+}
+
+func UtimesNanoAt(dirfd int, path string, ts []Timespec, flags int) error {
+	if ts == nil {
+		return utimensat(dirfd, path, nil, flags)
+	}
+	if len(ts) != 2 {
+		return EINVAL
+	}
+	return utimensat(dirfd, path, (*[2]Timespec)(unsafe.Pointer(&ts[0])), flags)
+}
+
+func (sa *SockaddrInet4) sockaddr() (unsafe.Pointer, _Socklen, error) {
+	if sa.Port < 0 || sa.Port > 0xFFFF {
+		return nil, 0, EINVAL
+	}
+	sa.raw.Family = AF_INET
+	p := (*[2]byte)(unsafe.Pointer(&sa.raw.Port))
+	p[0] = byte(sa.Port >> 8)
+	p[1] = byte(sa.Port)
+	for i := 0; i < len(sa.Addr); i++ {
+		sa.raw.Addr[i] = sa.Addr[i]
+	}
+	return unsafe.Pointer(&sa.raw), SizeofSockaddrInet4, nil
+}
+
+func (sa *SockaddrInet6) sockaddr() (unsafe.Pointer, _Socklen, error) {
+	if sa.Port < 0 || sa.Port > 0xFFFF {
+		return nil, 0, EINVAL
+	}
+	sa.raw.Family = AF_INET6
+	p := (*[2]byte)(unsafe.Pointer(&sa.raw.Port))
+	p[0] = byte(sa.Port >> 8)
+	p[1] = byte(sa.Port)
+	sa.raw.Scope_id = sa.ZoneId
+	for i := 0; i < len(sa.Addr); i++ {
+		sa.raw.Addr[i] = sa.Addr[i]
+	}
+	return unsafe.Pointer(&sa.raw), SizeofSockaddrInet6, nil
+}
+
+func (sa *SockaddrUnix) sockaddr() (unsafe.Pointer, _Socklen, error) {
+	name := sa.Name
+	n := len(name)
+	if n > len(sa.raw.Path) {
+		return nil, 0, EINVAL
+	}
+	if n == len(sa.raw.Path) && name[0] != '@' {
+		return nil, 0, EINVAL
+	}
+	sa.raw.Family = AF_UNIX
+	for i := 0; i < n; i++ {
+		sa.raw.Path[i] = uint8(name[i])
+	}
+	// length is family (uint16), name, NUL.
+	sl := _Socklen(2)
+	if n > 0 {
+		sl += _Socklen(n) + 1
+	}
+	if sa.raw.Path[0] == '@' {
+		sa.raw.Path[0] = 0
+		// Don't count trailing NUL for abstract address.
+		sl--
+	}
+
+	return unsafe.Pointer(&sa.raw), sl, nil
+}
+
+func Getsockname(fd int) (sa Sockaddr, err error) {
+	var rsa RawSockaddrAny
+	var len _Socklen = SizeofSockaddrAny
+	if err = getsockname(fd, &rsa, &len); err != nil {
+		return
+	}
+	return anyToSockaddr(fd, &rsa)
+}
+
+//sys	getcwd(buf []byte) (err error)
+
+const ImplementsGetwd = true
+
+func Getwd() (ret string, err error) {
+	for len := uint64(4096); ; len *= 2 {
+		b := make([]byte, len)
+		err := getcwd(b)
+		if err == nil {
+			i := 0
+			for b[i] != 0 {
+				i++
+			}
+			return string(b[0:i]), nil
+		}
+		if err != ERANGE {
+			return "", err
+		}
+	}
+}
+
+func Getcwd(buf []byte) (n int, err error) {
+	err = getcwd(buf)
+	if err == nil {
+		i := 0
+		for buf[i] != 0 {
+			i++
+		}
+		n = i + 1
+	}
+	return
+}
+
+func Getgroups() (gids []int, err error) {
+	n, err := getgroups(0, nil)
+	if err != nil {
+		return nil, err
+	}
+	if n == 0 {
+		return nil, nil
+	}
+
+	// Sanity check group count. Max is 16 on BSD.
+	if n < 0 || n > 1000 {
+		return nil, EINVAL
+	}
+
+	a := make([]_Gid_t, n)
+	n, err = getgroups(n, &a[0])
+	if err != nil {
+		return nil, err
+	}
+	gids = make([]int, n)
+	for i, v := range a[0:n] {
+		gids[i] = int(v)
+	}
+	return
+}
+
+func Setgroups(gids []int) (err error) {
+	if len(gids) == 0 {
+		return setgroups(0, nil)
+	}
+
+	a := make([]_Gid_t, len(gids))
+	for i, v := range gids {
+		a[i] = _Gid_t(v)
+	}
+	return setgroups(len(a), &a[0])
+}
+
+/*
+ * Socket
+ */
+
+//sys	accept(s int, rsa *RawSockaddrAny, addrlen *_Socklen) (fd int, err error)
+
+func Accept(fd int) (nfd int, sa Sockaddr, err error) {
+	var rsa RawSockaddrAny
+	var len _Socklen = SizeofSockaddrAny
+	nfd, err = accept(fd, &rsa, &len)
+	if nfd == -1 {
+		return
+	}
+	sa, err = anyToSockaddr(fd, &rsa)
+	if err != nil {
+		Close(nfd)
+		nfd = 0
+	}
+	return
+}
+
+func Recvmsg(fd int, p, oob []byte, flags int) (n, oobn int, recvflags int, from Sockaddr, err error) {
+	// Recvmsg not implemented on AIX
+	sa := new(SockaddrUnix)
+	return -1, -1, -1, sa, ENOSYS
+}
+
+func Sendmsg(fd int, p, oob []byte, to Sockaddr, flags int) (err error) {
+	_, err = SendmsgN(fd, p, oob, to, flags)
+	return
+}
+
+func SendmsgN(fd int, p, oob []byte, to Sockaddr, flags int) (n int, err error) {
+	// SendmsgN not implemented on AIX
+	return -1, ENOSYS
+}
+
+func anyToSockaddr(fd int, rsa *RawSockaddrAny) (Sockaddr, error) {
+	switch rsa.Addr.Family {
+
+	case AF_UNIX:
+		pp := (*RawSockaddrUnix)(unsafe.Pointer(rsa))
+		sa := new(SockaddrUnix)
+
+		// Some versions of AIX have a bug in getsockname (see IV78655).
+		// We can't rely on sa.Len being set correctly.
+		n := SizeofSockaddrUnix - 3 // subtract leading Family, Len, terminating NUL.
+		for i := 0; i < n; i++ {
+			if pp.Path[i] == 0 {
+				n = i
+				break
+			}
+		}
+
+		bytes := (*[10000]byte)(unsafe.Pointer(&pp.Path[0]))[0:n]
+		sa.Name = string(bytes)
+		return sa, nil
+
+	case AF_INET:
+		pp := (*RawSockaddrInet4)(unsafe.Pointer(rsa))
+		sa := new(SockaddrInet4)
+		p := (*[2]byte)(unsafe.Pointer(&pp.Port))
+		sa.Port = int(p[0])<<8 + int(p[1])
+		for i := 0; i < len(sa.Addr); i++ {
+			sa.Addr[i] = pp.Addr[i]
+		}
+		return sa, nil
+
+	case AF_INET6:
+		pp := (*RawSockaddrInet6)(unsafe.Pointer(rsa))
+		sa := new(SockaddrInet6)
+		p := (*[2]byte)(unsafe.Pointer(&pp.Port))
+		sa.Port = int(p[0])<<8 + int(p[1])
+		sa.ZoneId = pp.Scope_id
+		for i := 0; i < len(sa.Addr); i++ {
+			sa.Addr[i] = pp.Addr[i]
+		}
+		return sa, nil
+	}
+	return nil, EAFNOSUPPORT
+}
+
+func Gettimeofday(tv *Timeval) (err error) {
+	err = gettimeofday(tv, nil)
+	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
+}
+
+func direntIno(buf []byte) (uint64, bool) {
+	return readInt(buf, unsafe.Offsetof(Dirent{}.Ino), unsafe.Sizeof(Dirent{}.Ino))
+}
+
+func direntReclen(buf []byte) (uint64, bool) {
+	return readInt(buf, unsafe.Offsetof(Dirent{}.Reclen), unsafe.Sizeof(Dirent{}.Reclen))
+}
+
+func direntNamlen(buf []byte) (uint64, bool) {
+	reclen, ok := direntReclen(buf)
+	if !ok {
+		return 0, false
+	}
+	return reclen - uint64(unsafe.Offsetof(Dirent{}.Name)), true
+}
+
+//sys	getdirent(fd int, buf []byte) (n int, err error)
+func Getdents(fd int, buf []byte) (n int, err error) {
+	return getdirent(fd, buf)
+}
+
+//sys	wait4(pid Pid_t, status *_C_int, options int, rusage *Rusage) (wpid Pid_t, err error)
+func Wait4(pid int, wstatus *WaitStatus, options int, rusage *Rusage) (wpid int, err error) {
+	var status _C_int
+	var r Pid_t
+	err = ERESTART
+	// AIX wait4 may return with ERESTART errno, while the processus is still
+	// active.
+	for err == ERESTART {
+		r, err = wait4(Pid_t(pid), &status, options, rusage)
+	}
+	wpid = int(r)
+	if wstatus != nil {
+		*wstatus = WaitStatus(status)
+	}
+	return
+}
+
+/*
+ * Wait
+ */
+
+type WaitStatus uint32
+
+func (w WaitStatus) Stopped() bool { return w&0x40 != 0 }
+func (w WaitStatus) StopSignal() Signal {
+	if !w.Stopped() {
+		return -1
+	}
+	return Signal(w>>8) & 0xFF
+}
+
+func (w WaitStatus) Exited() bool { return w&0xFF == 0 }
+func (w WaitStatus) ExitStatus() int {
+	if !w.Exited() {
+		return -1
+	}
+	return int((w >> 8) & 0xFF)
+}
+
+func (w WaitStatus) Signaled() bool { return w&0x40 == 0 && w&0xFF != 0 }
+func (w WaitStatus) Signal() Signal {
+	if !w.Signaled() {
+		return -1
+	}
+	return Signal(w>>16) & 0xFF
+}
+
+func (w WaitStatus) Continued() bool { return w&0x01000000 != 0 }
+
+func (w WaitStatus) CoreDump() bool { return w&0x80 == 0x80 }
+
+func (w WaitStatus) TrapCause() int { return -1 }
+
+//sys	ioctl(fd int, req uint, arg uintptr) (err error)
+
+// fcntl must never be called with cmd=F_DUP2FD because it doesn't work on AIX
+// There is no way to create a custom fcntl and to keep //sys fcntl easily,
+// Therefore, the programmer must call dup2 instead of fcntl in this case.
+
+// FcntlInt performs a fcntl syscall on fd with the provided command and argument.
+//sys	FcntlInt(fd uintptr, cmd int, arg int) (r int,err error) = fcntl
+
+// FcntlFlock performs a fcntl syscall for the F_GETLK, F_SETLK or F_SETLKW command.
+//sys	FcntlFlock(fd uintptr, cmd int, lk *Flock_t) (err error) = fcntl
+
+//sys	fcntl(fd int, cmd int, arg int) (val int, err error)
+
+/*
+ * Direct access
+ */
+
+//sys	Acct(path string) (err error)
+//sys	Chdir(path string) (err error)
+//sys	Chroot(path string) (err error)
+//sys	Close(fd int) (err error)
+//sys	Dup(oldfd int) (fd int, err error)
+//sys	Exit(code int)
+//sys	Faccessat(dirfd int, path string, mode uint32, flags int) (err error)
+//sys	Fchdir(fd int) (err error)
+//sys	Fchmod(fd int, mode uint32) (err error)
+//sys	Fchmodat(dirfd int, path string, mode uint32, flags int) (err error)
+//sys	Fchownat(dirfd int, path string, uid int, gid int, flags int) (err error)
+//sys	Fdatasync(fd int) (err error)
+//sys	Fsync(fd int) (err error)
+// readdir_r
+//sysnb	Getpgid(pid int) (pgid int, err error)
+
+//sys	Getpgrp() (pid int)
+
+//sysnb	Getpid() (pid int)
+//sysnb	Getppid() (ppid int)
+//sys	Getpriority(which int, who int) (prio int, err error)
+//sysnb	Getrusage(who int, rusage *Rusage) (err error)
+//sysnb	Getsid(pid int) (sid int, err error)
+//sysnb	Kill(pid int, sig Signal) (err error)
+//sys	Klogctl(typ int, buf []byte) (n int, err error) = syslog
+//sys	Mkdir(dirfd int, path string, mode uint32) (err error)
+//sys	Mkdirat(dirfd int, path string, mode uint32) (err error)
+//sys	Mkfifo(path string, mode uint32) (err error)
+//sys	Mknod(path string, mode uint32, dev int) (err error)
+//sys	Mknodat(dirfd int, path string, mode uint32, dev int) (err error)
+//sys	Nanosleep(time *Timespec, leftover *Timespec) (err error)
+//sys   Open(path string, mode int, perm uint32) (fd int, err error) = open64
+//sys   Openat(dirfd int, path string, flags int, mode uint32) (fd int, err error)
+//sys	read(fd int, p []byte) (n int, err error)
+//sys	Readlink(path string, buf []byte) (n int, err error)
+//sys	Renameat(olddirfd int, oldpath string, newdirfd int, newpath string) (err error)
+//sys	Setdomainname(p []byte) (err error)
+//sys	Sethostname(p []byte) (err error)
+//sysnb	Setpgid(pid int, pgid int) (err error)
+//sysnb	Setsid() (pid int, err error)
+//sysnb	Settimeofday(tv *Timeval) (err error)
+
+//sys	Setuid(uid int) (err error)
+//sys	Setgid(uid int) (err error)
+
+//sys	Setpriority(which int, who int, prio int) (err error)
+//sys	Statx(dirfd int, path string, flags int, mask int, stat *Statx_t) (err error)
+//sys	Sync()
+//sysnb	Times(tms *Tms) (ticks uintptr, err error)
+//sysnb	Umask(mask int) (oldmask int)
+//sysnb	Uname(buf *Utsname) (err error)
+//sys   Unlink(path string) (err error)
+//sys   Unlinkat(dirfd int, path string, flags int) (err error)
+//sys	Ustat(dev int, ubuf *Ustat_t) (err error)
+//sys	write(fd int, p []byte) (n int, err error)
+//sys	readlen(fd int, p *byte, np int) (n int, err error) = read
+//sys	writelen(fd int, p *byte, np int) (n int, err error) = write
+
+//sys	Dup2(oldfd int, newfd int) (err error)
+//sys	Fadvise(fd int, offset int64, length int64, advice int) (err error) = posix_fadvise64
+//sys	Fchown(fd int, uid int, gid int) (err error)
+//sys	fstat(fd int, stat *Stat_t) (err error)
+//sys	fstatat(dirfd int, path string, stat *Stat_t, flags int) (err error) = fstatat
+//sys	Fstatfs(fd int, buf *Statfs_t) (err error)
+//sys	Ftruncate(fd int, length int64) (err error)
+//sysnb	Getegid() (egid int)
+//sysnb	Geteuid() (euid int)
+//sysnb	Getgid() (gid int)
+//sysnb	Getuid() (uid int)
+//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)
+//sys	Pause() (err error)
+//sys	Pread(fd int, p []byte, offset int64) (n int, err error) = pread64
+//sys	Pwrite(fd int, p []byte, offset int64) (n int, err error) = pwrite64
+//sys	Select(nfd int, r *FdSet, w *FdSet, e *FdSet, timeout *Timeval) (n int, err error)
+//sys	Pselect(nfd int, r *FdSet, w *FdSet, e *FdSet, timeout *Timespec, sigmask *Sigset_t) (n int, err error)
+//sysnb	Setregid(rgid int, egid int) (err error)
+//sysnb	Setreuid(ruid int, euid int) (err error)
+//sys	Shutdown(fd int, how int) (err error)
+//sys	Splice(rfd int, roff *int64, wfd int, woff *int64, len int, flags int) (n int64, err error)
+//sys	stat(path string, statptr *Stat_t) (err error)
+//sys	Statfs(path string, buf *Statfs_t) (err error)
+//sys	Truncate(path string, length int64) (err error)
+
+//sys	bind(s int, addr unsafe.Pointer, addrlen _Socklen) (err error)
+//sys	connect(s int, addr unsafe.Pointer, addrlen _Socklen) (err error)
+//sysnb	getgroups(n int, list *_Gid_t) (nn int, err error)
+//sysnb	setgroups(n int, list *_Gid_t) (err error)
+//sys	getsockopt(s int, level int, name int, val unsafe.Pointer, vallen *_Socklen) (err error)
+//sys	setsockopt(s int, level int, name int, val unsafe.Pointer, vallen uintptr) (err error)
+//sysnb	socket(domain int, typ int, proto int) (fd int, err error)
+//sysnb	socketpair(domain int, typ int, proto int, fd *[2]int32) (err error)
+//sysnb	getpeername(fd int, rsa *RawSockaddrAny, addrlen *_Socklen) (err error)
+//sysnb	getsockname(fd int, rsa *RawSockaddrAny, addrlen *_Socklen) (err error)
+//sys	recvfrom(fd int, p []byte, flags int, from *RawSockaddrAny, fromlen *_Socklen) (n int, err error)
+//sys	sendto(s int, buf []byte, flags int, to unsafe.Pointer, addrlen _Socklen) (err error)
+
+// In order to use msghdr structure with Control, Controllen, nrecvmsg and nsendmsg must be used.
+//sys	recvmsg(s int, msg *Msghdr, flags int) (n int, err error) = nrecvmsg
+//sys	sendmsg(s int, msg *Msghdr, flags int) (n int, err error) = nsendmsg
+
+//sys	munmap(addr uintptr, length uintptr) (err error)
+
+var mapper = &mmapper{
+	active: make(map[*byte][]byte),
+	mmap:   mmap,
+	munmap: munmap,
+}
+
+func Mmap(fd int, offset int64, length int, prot int, flags int) (data []byte, err error) {
+	return mapper.Mmap(fd, offset, length, prot, flags)
+}
+
+func Munmap(b []byte) (err error) {
+	return mapper.Munmap(b)
+}
+
+//sys	Madvise(b []byte, advice int) (err error)
+//sys	Mprotect(b []byte, prot int) (err error)
+//sys	Mlock(b []byte) (err error)
+//sys	Mlockall(flags int) (err error)
+//sys	Msync(b []byte, flags int) (err error)
+//sys	Munlock(b []byte) (err error)
+//sys	Munlockall() (err error)
+
+//sysnb pipe(p *[2]_C_int) (err error)
+
+func Pipe(p []int) (err error) {
+	if len(p) != 2 {
+		return EINVAL
+	}
+	var pp [2]_C_int
+	err = pipe(&pp)
+	p[0] = int(pp[0])
+	p[1] = int(pp[1])
+	return
+}
+
+//sys	poll(fds *PollFd, nfds int, timeout int) (n int, err error)
+
+func Poll(fds []PollFd, timeout int) (n int, err error) {
+	if len(fds) == 0 {
+		return poll(nil, 0, timeout)
+	}
+	return poll(&fds[0], len(fds), timeout)
+}
+
+//sys	gettimeofday(tv *Timeval, tzp *Timezone) (err error)
+//sysnb	Time(t *Time_t) (tt Time_t, err error)
+//sys	Utime(path string, buf *Utimbuf) (err error)
+
+//sys	Getsystemcfg(label int) (n uint64)
+
+//sys	umount(target string) (err error)
+func Unmount(target string, flags int) (err error) {
+	if flags != 0 {
+		// AIX doesn't have any flags for umount.
+		return ENOSYS
+	}
+	return umount(target)
+}

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

@@ -0,0 +1,54 @@
+// 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
+// +build ppc
+
+package unix
+
+//sysnb	Getrlimit(resource int, rlim *Rlimit) (err error) = getrlimit64
+//sysnb	Setrlimit(resource int, rlim *Rlimit) (err error) = setrlimit64
+//sys	Seek(fd int, offset int64, whence int) (off int64, err error) = lseek64
+
+//sys	mmap(addr uintptr, length uintptr, prot int, flags int, fd int, offset int64) (xaddr uintptr, err error)
+
+func setTimespec(sec, nsec int64) Timespec {
+	return Timespec{Sec: int32(sec), Nsec: int32(nsec)}
+}
+
+func setTimeval(sec, usec int64) Timeval {
+	return Timeval{Sec: int32(sec), Usec: int32(usec)}
+}
+
+func (iov *Iovec) SetLen(length int) {
+	iov.Len = uint32(length)
+}
+
+func (msghdr *Msghdr) SetControllen(length int) {
+	msghdr.Controllen = uint32(length)
+}
+
+func (msghdr *Msghdr) SetIovlen(length int) {
+	msghdr.Iovlen = int32(length)
+}
+
+func (cmsg *Cmsghdr) SetLen(length int) {
+	cmsg.Len = uint32(length)
+}
+
+func Fstat(fd int, stat *Stat_t) error {
+	return fstat(fd, stat)
+}
+
+func Fstatat(dirfd int, path string, stat *Stat_t, flags int) error {
+	return fstatat(dirfd, path, stat, flags)
+}
+
+func Lstat(path string, stat *Stat_t) error {
+	return lstat(path, stat)
+}
+
+func Stat(path string, statptr *Stat_t) error {
+	return stat(path, statptr)
+}

vendor/golang.org/x/sys/unix/syscall_aix_ppc64.go

@@ -0,0 +1,85 @@
+// 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
+// +build ppc64
+
+package unix
+
+//sysnb	Getrlimit(resource int, rlim *Rlimit) (err error)
+//sysnb	Setrlimit(resource int, rlim *Rlimit) (err error)
+//sys	Seek(fd int, offset int64, whence int) (off int64, err error) = lseek
+
+//sys	mmap(addr uintptr, length uintptr, prot int, flags int, fd int, offset int64) (xaddr uintptr, err error) = mmap64
+
+func setTimespec(sec, nsec int64) Timespec {
+	return Timespec{Sec: sec, Nsec: nsec}
+}
+
+func setTimeval(sec, usec int64) Timeval {
+	return Timeval{Sec: int64(sec), Usec: int32(usec)}
+}
+
+func (iov *Iovec) SetLen(length int) {
+	iov.Len = uint64(length)
+}
+
+func (msghdr *Msghdr) SetControllen(length int) {
+	msghdr.Controllen = uint32(length)
+}
+
+func (msghdr *Msghdr) SetIovlen(length int) {
+	msghdr.Iovlen = int32(length)
+}
+
+func (cmsg *Cmsghdr) SetLen(length int) {
+	cmsg.Len = uint32(length)
+}
+
+// In order to only have Timespec structure, type of Stat_t's fields
+// Atim, Mtim and Ctim is changed from StTimespec to Timespec during
+// ztypes generation.
+// On ppc64, Timespec.Nsec is an int64 while StTimespec.Nsec is an
+// int32, so the fields' value must be modified.
+func fixStatTimFields(stat *Stat_t) {
+	stat.Atim.Nsec >>= 32
+	stat.Mtim.Nsec >>= 32
+	stat.Ctim.Nsec >>= 32
+}
+
+func Fstat(fd int, stat *Stat_t) error {
+	err := fstat(fd, stat)
+	if err != nil {
+		return err
+	}
+	fixStatTimFields(stat)
+	return nil
+}
+
+func Fstatat(dirfd int, path string, stat *Stat_t, flags int) error {
+	err := fstatat(dirfd, path, stat, flags)
+	if err != nil {
+		return err
+	}
+	fixStatTimFields(stat)
+	return nil
+}
+
+func Lstat(path string, stat *Stat_t) error {
+	err := lstat(path, stat)
+	if err != nil {
+		return err
+	}
+	fixStatTimFields(stat)
+	return nil
+}
+
+func Stat(path string, statptr *Stat_t) error {
+	err := stat(path, statptr)
+	if err != nil {
+		return err
+	}
+	fixStatTimFields(statptr)
+	return nil
+}

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

@@ -63,15 +63,6 @@ func Setgroups(gids []int) (err error) {
 	return setgroups(len(a), &a[0])
 }
 
-func ReadDirent(fd int, buf []byte) (n int, err error) {
-	// Final argument is (basep *uintptr) and the syscall doesn't take nil.
-	// 64 bits should be enough. (32 bits isn't even on 386). Since the
-	// actual system call is getdirentries64, 64 is a good guess.
-	// TODO(rsc): Can we use a single global basep for all calls?
-	var base = (*uintptr)(unsafe.Pointer(new(uint64)))
-	return Getdirentries(fd, buf, base)
-}
-
 // Wait status is 7 bits at bottom, either 0 (exited),
 // 0x7F (stopped), or a signal number that caused an exit.
 // The 0x80 bit is whether there was a core dump.
@@ -86,6 +77,7 @@ const (
 	shift = 8
 
 	exited  = 0
+	killed  = 9
 	stopped = 0x7F
 )
 
@@ -112,6 +104,8 @@ func (w WaitStatus) CoreDump() bool { return w.Signaled() && w&core != 0 }
 
 func (w WaitStatus) Stopped() bool { return w&mask == stopped && syscall.Signal(w>>shift) != SIGSTOP }
 
+func (w WaitStatus) Killed() bool { return w&mask == killed && syscall.Signal(w>>shift) != SIGKILL }
+
 func (w WaitStatus) Continued() bool { return w&mask == stopped && syscall.Signal(w>>shift) == SIGSTOP }
 
 func (w WaitStatus) StopSignal() syscall.Signal {
@@ -206,7 +200,7 @@ func (sa *SockaddrDatalink) sockaddr() (unsafe.Pointer, _Socklen, error) {
 	return unsafe.Pointer(&sa.raw), SizeofSockaddrDatalink, nil
 }
 
-func anyToSockaddr(rsa *RawSockaddrAny) (Sockaddr, error) {
+func anyToSockaddr(fd int, rsa *RawSockaddrAny) (Sockaddr, error) {
 	switch rsa.Addr.Family {
 	case AF_LINK:
 		pp := (*RawSockaddrDatalink)(unsafe.Pointer(rsa))
@@ -243,7 +237,7 @@ func anyToSockaddr(rsa *RawSockaddrAny) (Sockaddr, error) {
 				break
 			}
 		}
-		bytes := (*[10000]byte)(unsafe.Pointer(&pp.Path[0]))[0:n]
+		bytes := (*[len(pp.Path)]byte)(unsafe.Pointer(&pp.Path[0]))[0:n]
 		sa.Name = string(bytes)
 		return sa, nil
 
@@ -286,7 +280,7 @@ func Accept(fd int) (nfd int, sa Sockaddr, err error) {
 		Close(nfd)
 		return 0, nil, ECONNABORTED
 	}
-	sa, err = anyToSockaddr(&rsa)
+	sa, err = anyToSockaddr(fd, &rsa)
 	if err != nil {
 		Close(nfd)
 		nfd = 0
@@ -306,52 +300,11 @@ func Getsockname(fd int) (sa Sockaddr, err error) {
 		rsa.Addr.Family = AF_UNIX
 		rsa.Addr.Len = SizeofSockaddrUnix
 	}
-	return anyToSockaddr(&rsa)
+	return anyToSockaddr(fd, &rsa)
 }
 
 //sysnb socketpair(domain int, typ int, proto int, fd *[2]int32) (err error)
 
-func GetsockoptByte(fd, level, opt int) (value byte, err error) {
-	var n byte
-	vallen := _Socklen(1)
-	err = getsockopt(fd, level, opt, unsafe.Pointer(&n), &vallen)
-	return n, err
-}
-
-func GetsockoptInet4Addr(fd, level, opt int) (value [4]byte, err error) {
-	vallen := _Socklen(4)
-	err = getsockopt(fd, level, opt, unsafe.Pointer(&value[0]), &vallen)
-	return value, err
-}
-
-func GetsockoptIPMreq(fd, level, opt int) (*IPMreq, error) {
-	var value IPMreq
-	vallen := _Socklen(SizeofIPMreq)
-	err := getsockopt(fd, level, opt, unsafe.Pointer(&value), &vallen)
-	return &value, err
-}
-
-func GetsockoptIPv6Mreq(fd, level, opt int) (*IPv6Mreq, error) {
-	var value IPv6Mreq
-	vallen := _Socklen(SizeofIPv6Mreq)
-	err := getsockopt(fd, level, opt, unsafe.Pointer(&value), &vallen)
-	return &value, err
-}
-
-func GetsockoptIPv6MTUInfo(fd, level, opt int) (*IPv6MTUInfo, error) {
-	var value IPv6MTUInfo
-	vallen := _Socklen(SizeofIPv6MTUInfo)
-	err := getsockopt(fd, level, opt, unsafe.Pointer(&value), &vallen)
-	return &value, err
-}
-
-func GetsockoptICMPv6Filter(fd, level, opt int) (*ICMPv6Filter, error) {
-	var value ICMPv6Filter
-	vallen := _Socklen(SizeofICMPv6Filter)
-	err := getsockopt(fd, level, opt, unsafe.Pointer(&value), &vallen)
-	return &value, err
-}
-
 // GetsockoptString returns the string value of the socket option opt for the
 // socket associated with fd at the given socket level.
 func GetsockoptString(fd, level, opt int) (string, error) {
@@ -397,7 +350,7 @@ func Recvmsg(fd int, p, oob []byte, flags int) (n, oobn int, recvflags int, from
 	recvflags = int(msg.Flags)
 	// source address is only specified if the socket is unconnected
 	if rsa.Addr.Family != AF_UNSPEC {
-		from, err = anyToSockaddr(&rsa)
+		from, err = anyToSockaddr(fd, &rsa)
 	}
 	return
 }
@@ -460,8 +413,6 @@ func Kevent(kq int, changes, events []Kevent_t, timeout *Timespec) (n int, err e
 	return kevent(kq, change, len(changes), event, len(events), timeout)
 }
 
-//sys	sysctl(mib []_C_int, old *byte, oldlen *uintptr, new *byte, newlen uintptr) (err error) = SYS___SYSCTL
-
 // sysctlmib translates name to mib number and appends any additional args.
 func sysctlmib(name string, args ...int) ([]_C_int, error) {
 	// Translate name to mib number.
@@ -559,6 +510,23 @@ func SysctlRaw(name string, args ...int) ([]byte, error) {
 	return buf[:n], nil
 }
 
+func SysctlClockinfo(name string) (*Clockinfo, error) {
+	mib, err := sysctlmib(name)
+	if err != nil {
+		return nil, err
+	}
+
+	n := uintptr(SizeofClockinfo)
+	var ci Clockinfo
+	if err := sysctl(mib, (*byte)(unsafe.Pointer(&ci)), &n, nil, 0); err != nil {
+		return nil, err
+	}
+	if n != SizeofClockinfo {
+		return nil, EIO
+	}
+	return &ci, nil
+}
+
 //sys	utimes(path string, timeval *[2]Timeval) (err error)
 
 func Utimes(path string, tv []Timeval) error {
@@ -626,8 +594,6 @@ func Futimes(fd int, tv []Timeval) error {
 	return futimes(fd, (*[2]Timeval)(unsafe.Pointer(&tv[0])))
 }
 
-//sys	fcntl(fd int, cmd int, arg int) (val int, err error)
-
 //sys   poll(fds *PollFd, nfds int, timeout int) (n int, err error)
 
 func Poll(fds []PollFd, timeout int) (n int, err error) {

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

@@ -1,93 +0,0 @@
-// Copyright 2014 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 dragonfly freebsd openbsd
-
-package unix_test
-
-import (
-	"os/exec"
-	"runtime"
-	"testing"
-	"time"
-
-	"golang.org/x/sys/unix"
-)
-
-const MNT_WAIT = 1
-const MNT_NOWAIT = 2
-
-func TestGetfsstat(t *testing.T) {
-	const flags = MNT_NOWAIT // see golang.org/issue/16937
-	n, err := unix.Getfsstat(nil, flags)
-	if err != nil {
-		t.Fatal(err)
-	}
-
-	data := make([]unix.Statfs_t, n)
-	n2, err := unix.Getfsstat(data, flags)
-	if err != nil {
-		t.Fatal(err)
-	}
-	if n != n2 {
-		t.Errorf("Getfsstat(nil) = %d, but subsequent Getfsstat(slice) = %d", n, n2)
-	}
-	for i, stat := range data {
-		if stat == (unix.Statfs_t{}) {
-			t.Errorf("index %v is an empty Statfs_t struct", i)
-		}
-	}
-	if t.Failed() {
-		for i, stat := range data[:n2] {
-			t.Logf("data[%v] = %+v", i, stat)
-		}
-		mount, err := exec.Command("mount").CombinedOutput()
-		if err != nil {
-			t.Logf("mount: %v\n%s", err, mount)
-		} else {
-			t.Logf("mount: %s", mount)
-		}
-	}
-}
-
-func TestSelect(t *testing.T) {
-	err := unix.Select(0, nil, nil, nil, &unix.Timeval{Sec: 0, Usec: 0})
-	if err != nil {
-		t.Fatalf("Select: %v", err)
-	}
-
-	dur := 250 * time.Millisecond
-	tv := unix.NsecToTimeval(int64(dur))
-	start := time.Now()
-	err = unix.Select(0, nil, nil, nil, &tv)
-	took := time.Since(start)
-	if err != nil {
-		t.Fatalf("Select: %v", err)
-	}
-
-	// On some BSDs the actual timeout might also be slightly less than the requested.
-	// Add an acceptable margin to avoid flaky tests.
-	if took < dur*2/3 {
-		t.Errorf("Select: timeout should have been at least %v, got %v", dur, took)
-	}
-}
-
-func TestSysctlRaw(t *testing.T) {
-	if runtime.GOOS == "openbsd" {
-		t.Skip("kern.proc.pid does not exist on OpenBSD")
-	}
-
-	_, err := unix.SysctlRaw("kern.proc.pid", unix.Getpid())
-	if err != nil {
-		t.Fatal(err)
-	}
-}
-
-func TestSysctlUint32(t *testing.T) {
-	maxproc, err := unix.SysctlUint32("kern.maxproc")
-	if err != nil {
-		t.Fatal(err)
-	}
-	t.Logf("kern.maxproc: %v", maxproc)
-}

vendor/golang.org/x/sys/unix/syscall_darwin.1_12.go

@@ -0,0 +1,29 @@
+// 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 darwin,go1.12,!go1.13
+
+package unix
+
+import (
+	"unsafe"
+)
+
+func Getdirentries(fd int, buf []byte, basep *uintptr) (n int, err error) {
+	// To implement this using libSystem we'd need syscall_syscallPtr for
+	// fdopendir. However, syscallPtr was only added in Go 1.13, so we fall
+	// back to raw syscalls for this func on Go 1.12.
+	var p unsafe.Pointer
+	if len(buf) > 0 {
+		p = unsafe.Pointer(&buf[0])
+	} else {
+		p = unsafe.Pointer(&_zero)
+	}
+	r0, _, e1 := Syscall6(SYS_GETDIRENTRIES64, uintptr(fd), uintptr(p), uintptr(len(buf)), uintptr(unsafe.Pointer(basep)), 0, 0)
+	n = int(r0)
+	if e1 != 0 {
+		return n, errnoErr(e1)
+	}
+	return n, nil
+}

vendor/golang.org/x/sys/unix/syscall_darwin.1_13.go

@@ -0,0 +1,108 @@
+// 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 darwin,go1.13
+
+package unix
+
+import (
+	"unsafe"
+
+	"golang.org/x/sys/internal/unsafeheader"
+)
+
+//sys	closedir(dir uintptr) (err error)
+//sys	readdir_r(dir uintptr, entry *Dirent, result **Dirent) (res Errno)
+
+func fdopendir(fd int) (dir uintptr, err error) {
+	r0, _, e1 := syscall_syscallPtr(funcPC(libc_fdopendir_trampoline), uintptr(fd), 0, 0)
+	dir = uintptr(r0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+func libc_fdopendir_trampoline()
+
+//go:linkname libc_fdopendir libc_fdopendir
+//go:cgo_import_dynamic libc_fdopendir fdopendir "/usr/lib/libSystem.B.dylib"
+
+func Getdirentries(fd int, buf []byte, basep *uintptr) (n int, err error) {
+	// Simulate Getdirentries using fdopendir/readdir_r/closedir.
+	// We store the number of entries to skip in the seek
+	// offset of fd. See issue #31368.
+	// It's not the full required semantics, but should handle the case
+	// of calling Getdirentries or ReadDirent repeatedly.
+	// It won't handle assigning the results of lseek to *basep, or handle
+	// the directory being edited underfoot.
+	skip, err := Seek(fd, 0, 1 /* SEEK_CUR */)
+	if err != nil {
+		return 0, err
+	}
+
+	// We need to duplicate the incoming file descriptor
+	// because the caller expects to retain control of it, but
+	// fdopendir expects to take control of its argument.
+	// Just Dup'ing the file descriptor is not enough, as the
+	// result shares underlying state. Use Openat to make a really
+	// new file descriptor referring to the same directory.
+	fd2, err := Openat(fd, ".", O_RDONLY, 0)
+	if err != nil {
+		return 0, err
+	}
+	d, err := fdopendir(fd2)
+	if err != nil {
+		Close(fd2)
+		return 0, err
+	}
+	defer closedir(d)
+
+	var cnt int64
+	for {
+		var entry Dirent
+		var entryp *Dirent
+		e := readdir_r(d, &entry, &entryp)
+		if e != 0 {
+			return n, errnoErr(e)
+		}
+		if entryp == nil {
+			break
+		}
+		if skip > 0 {
+			skip--
+			cnt++
+			continue
+		}
+
+		reclen := int(entry.Reclen)
+		if reclen > len(buf) {
+			// Not enough room. Return for now.
+			// The counter will let us know where we should start up again.
+			// Note: this strategy for suspending in the middle and
+			// restarting is O(n^2) in the length of the directory. Oh well.
+			break
+		}
+
+		// Copy entry into return buffer.
+		var s []byte
+		hdr := (*unsafeheader.Slice)(unsafe.Pointer(&s))
+		hdr.Data = unsafe.Pointer(&entry)
+		hdr.Cap = reclen
+		hdr.Len = reclen
+		copy(buf, s)
+
+		buf = buf[reclen:]
+		n += reclen
+		cnt++
+	}
+	// Set the seek offset of the input fd to record
+	// how many files we've already returned.
+	_, err = Seek(fd, cnt, 0 /* SEEK_SET */)
+	if err != nil {
+		return n, err
+	}
+
+	return n, nil
+}

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

@@ -13,7 +13,7 @@
 package unix
 
 import (
-	errorspkg "errors"
+	"errors"
 	"syscall"
 	"unsafe"
 )
@@ -77,7 +77,18 @@ func nametomib(name string) (mib []_C_int, err error) {
 	return buf[0 : n/siz], nil
 }
 
-//sys   ptrace(request int, pid int, addr uintptr, data uintptr) (err error)
+func direntIno(buf []byte) (uint64, bool) {
+	return readInt(buf, unsafe.Offsetof(Dirent{}.Ino), unsafe.Sizeof(Dirent{}.Ino))
+}
+
+func direntReclen(buf []byte) (uint64, bool) {
+	return readInt(buf, unsafe.Offsetof(Dirent{}.Reclen), unsafe.Sizeof(Dirent{}.Reclen))
+}
+
+func direntNamlen(buf []byte) (uint64, bool) {
+	return readInt(buf, unsafe.Offsetof(Dirent{}.Namlen), unsafe.Sizeof(Dirent{}.Namlen))
+}
+
 func PtraceAttach(pid int) (err error) { return ptrace(PT_ATTACH, pid, 0, 0) }
 func PtraceDetach(pid int) (err error) { return ptrace(PT_DETACH, pid, 0, 0) }
 
@@ -98,7 +109,7 @@ type attrList struct {
 
 func getAttrList(path string, attrList attrList, attrBuf []byte, options uint) (attrs [][]byte, err error) {
 	if len(attrBuf) < 4 {
-		return nil, errorspkg.New("attrBuf too small")
+		return nil, errors.New("attrBuf too small")
 	}
 	attrList.bitmapCount = attrBitMapCount
 
@@ -108,17 +119,8 @@ 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]))
 
@@ -134,12 +136,12 @@ func getAttrList(path string, attrList attrList, attrBuf []byte, options uint) (
 	for i := uint32(0); int(i) < len(dat); {
 		header := dat[i:]
 		if len(header) < 8 {
-			return attrs, errorspkg.New("truncated attribute header")
+			return attrs, errors.New("truncated attribute header")
 		}
 		datOff := *(*int32)(unsafe.Pointer(&header[0]))
 		attrLen := *(*uint32)(unsafe.Pointer(&header[4]))
 		if datOff < 0 || uint32(datOff)+attrLen > uint32(len(dat)) {
-			return attrs, errorspkg.New("truncated results; attrBuf too small")
+			return attrs, errors.New("truncated results; attrBuf too small")
 		}
 		end := uint32(datOff) + attrLen
 		attrs = append(attrs, dat[datOff:end])
@@ -151,6 +153,8 @@ 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 +172,113 @@ 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 getfsstat(_p0, bufsize, flags)
 }
-	return
+
+func xattrPointer(dest []byte) *byte {
+	// It's only when dest is set to NULL that the OS X implementations of
+	// getxattr() and listxattr() return the current sizes of the named attributes.
+	// An empty byte array is not sufficient. To maintain the same behaviour as the
+	// linux implementation, we wrap around the system calls and pass in NULL when
+	// dest is empty.
+	var destp *byte
+	if len(dest) > 0 {
+		destp = &dest[0]
+	}
+	return destp
+}
+
+//sys	getxattr(path string, attr string, dest *byte, size int, position uint32, options int) (sz int, err error)
+
+func Getxattr(path string, attr string, dest []byte) (sz int, err error) {
+	return getxattr(path, attr, xattrPointer(dest), len(dest), 0, 0)
+}
+
+func Lgetxattr(link string, attr string, dest []byte) (sz int, err error) {
+	return getxattr(link, attr, xattrPointer(dest), len(dest), 0, XATTR_NOFOLLOW)
+}
+
+//sys	fgetxattr(fd int, attr string, dest *byte, size int, position uint32, options int) (sz int, err error)
+
+func Fgetxattr(fd int, attr string, dest []byte) (sz int, err error) {
+	return fgetxattr(fd, attr, xattrPointer(dest), len(dest), 0, 0)
+}
+
+//sys	setxattr(path string, attr string, data *byte, size int, position uint32, options int) (err error)
+
+func Setxattr(path string, attr string, data []byte, flags int) (err error) {
+	// The parameters for the OS X implementation vary slightly compared to the
+	// linux system call, specifically the position parameter:
+	//
+	//  linux:
+	//      int setxattr(
+	//          const char *path,
+	//          const char *name,
+	//          const void *value,
+	//          size_t size,
+	//          int flags
+	//      );
+	//
+	//  darwin:
+	//      int setxattr(
+	//          const char *path,
+	//          const char *name,
+	//          void *value,
+	//          size_t size,
+	//          u_int32_t position,
+	//          int options
+	//      );
+	//
+	// position specifies the offset within the extended attribute. In the
+	// current implementation, only the resource fork extended attribute makes
+	// use of this argument. For all others, position is reserved. We simply
+	// default to setting it to zero.
+	return setxattr(path, attr, xattrPointer(data), len(data), 0, flags)
+}
+
+func Lsetxattr(link string, attr string, data []byte, flags int) (err error) {
+	return setxattr(link, attr, xattrPointer(data), len(data), 0, flags|XATTR_NOFOLLOW)
+}
+
+//sys	fsetxattr(fd int, attr string, data *byte, size int, position uint32, options int) (err error)
+
+func Fsetxattr(fd int, attr string, data []byte, flags int) (err error) {
+	return fsetxattr(fd, attr, xattrPointer(data), len(data), 0, 0)
+}
+
+//sys	removexattr(path string, attr string, options int) (err error)
+
+func Removexattr(path string, attr string) (err error) {
+	// We wrap around and explicitly zero out the options provided to the OS X
+	// implementation of removexattr, we do so for interoperability with the
+	// linux variant.
+	return removexattr(path, attr, 0)
+}
+
+func Lremovexattr(link string, attr string) (err error) {
+	return removexattr(link, attr, XATTR_NOFOLLOW)
+}
+
+//sys	fremovexattr(fd int, attr string, options int) (err error)
+
+func Fremovexattr(fd int, attr string) (err error) {
+	return fremovexattr(fd, attr, 0)
+}
+
+//sys	listxattr(path string, dest *byte, size int, options int) (sz int, err error)
+
+func Listxattr(path string, dest []byte) (sz int, err error) {
+	return listxattr(path, xattrPointer(dest), len(dest), 0)
+}
+
+func Llistxattr(link string, dest []byte) (sz int, err error) {
+	return listxattr(link, xattrPointer(dest), len(dest), XATTR_NOFOLLOW)
+}
+
+//sys	flistxattr(fd int, dest *byte, size int, options int) (sz int, err error)
+
+func Flistxattr(fd int, dest []byte) (sz int, err error) {
+	return flistxattr(fd, xattrPointer(dest), len(dest), 0)
 }
 
 func setattrlistTimes(path string, times []Timespec, flags int) error {
@@ -192,21 +297,16 @@ 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
@@ -216,48 +316,15 @@ func utimensat(dirfd int, path string, times *[2]Timespec, flags int) error {
  * Wrapped
  */
 
+//sys	fcntl(fd int, cmd int, arg int) (val int, err error)
+
 //sys	kill(pid int, signum int, posix int) (err error)
 
 func Kill(pid int, signum syscall.Signal) (err error) { return kill(pid, int(signum), 1) }
 
 //sys	ioctl(fd int, req uint, arg uintptr) (err error)
 
-// ioctl itself should not be exposed directly, but additional get/set
-// functions for specific types are permissible.
-
-// IoctlSetInt performs an ioctl operation which sets an integer value
-// on fd, using the specified request number.
-func IoctlSetInt(fd int, req uint, value int) error {
-	return ioctl(fd, req, uintptr(value))
-}
-
-func IoctlSetWinsize(fd int, req uint, value *Winsize) error {
-	return ioctl(fd, req, uintptr(unsafe.Pointer(value)))
-}
-
-func IoctlSetTermios(fd int, req uint, value *Termios) error {
-	return ioctl(fd, req, uintptr(unsafe.Pointer(value)))
-}
-
-// IoctlGetInt performs an ioctl operation which gets an integer value
-// from fd, using the specified request number.
-func IoctlGetInt(fd int, req uint) (int, error) {
-	var value int
-	err := ioctl(fd, req, uintptr(unsafe.Pointer(&value)))
-	return value, err
-}
-
-func IoctlGetWinsize(fd int, req uint) (*Winsize, error) {
-	var value Winsize
-	err := ioctl(fd, req, uintptr(unsafe.Pointer(&value)))
-	return &value, err
-}
-
-func IoctlGetTermios(fd int, req uint) (*Termios, error) {
-	var value Termios
-	err := ioctl(fd, req, uintptr(unsafe.Pointer(&value)))
-	return &value, err
-}
+//sys   sysctl(mib []_C_int, old *byte, oldlen *uintptr, new *byte, newlen uintptr) (err error) = SYS_SYSCTL
 
 func Uname(uname *Utsname) error {
 	mib := []_C_int{CTL_KERN, KERN_OSTYPE}
@@ -305,6 +372,18 @@ 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
  */
@@ -315,6 +394,7 @@ func Uname(uname *Utsname) error {
 //sys	Chmod(path string, mode uint32) (err error)
 //sys	Chown(path string, uid int, gid int) (err error)
 //sys	Chroot(path string) (err error)
+//sys	ClockGettime(clockid int32, time *Timespec) (err error)
 //sys	Close(fd int) (err error)
 //sys	Dup(fd int) (nfd int, err error)
 //sys	Dup2(from int, to int) (err error)
@@ -329,11 +409,8 @@ 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	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)
@@ -346,6 +423,7 @@ func Uname(uname *Utsname) error {
 //sysnb	Getrlimit(which int, lim *Rlimit) (err error)
 //sysnb	Getrusage(who int, rusage *Rusage) (err error)
 //sysnb	Getsid(pid int) (sid int, err error)
+//sysnb	Gettimeofday(tp *Timeval) (err error)
 //sysnb	Getuid() (uid int)
 //sysnb	Issetugid() (tainted bool)
 //sys	Kqueue() (fd int, err error)
@@ -353,7 +431,6 @@ 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)
@@ -371,7 +448,7 @@ func Uname(uname *Utsname) error {
 //sys	Revoke(path string) (err error)
 //sys	Rmdir(path string) (err error)
 //sys	Seek(fd int, offset int64, whence int) (newoffset int64, err error) = SYS_LSEEK
-//sys	Select(n int, r *FdSet, w *FdSet, e *FdSet, timeout *Timeval) (err error)
+//sys	Select(nfd int, r *FdSet, w *FdSet, e *FdSet, timeout *Timeval) (n int, err error)
 //sys	Setegid(egid int) (err error)
 //sysnb	Seteuid(euid int) (err error)
 //sysnb	Setgid(gid int) (err error)
@@ -385,8 +462,6 @@ 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)
@@ -446,14 +521,6 @@ func Uname(uname *Utsname) error {
 // Watchevent
 // Waitevent
 // Modwatch
-// Getxattr
-// Fgetxattr
-// Setxattr
-// Fsetxattr
-// Removexattr
-// Fremovexattr
-// Listxattr
-// Flistxattr
 // Fsctl
 // Initgroups
 // Posix_spawn

vendor/golang.org/x/sys/unix/syscall_darwin_386.1_11.go

@@ -0,0 +1,9 @@
+// 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 darwin,386,!go1.12
+
+package unix
+
+//sys  Getdirentries(fd int, buf []byte, basep *uintptr) (n int, err error) = SYS_GETDIRENTRIES64