How to use writeArg method of prog Package

Best Syzkaller code snippet using prog.writeArg

encodingexec.go

Source:encodingexec.go

...83		w.write(ExecNoCopyout)84	}85	w.write(uint64(len(c.Args)))86	for _, arg := range c.Args {87		w.writeArg(arg)88	}89	// Generate copyout instructions that persist interesting return values.90	w.writeCopyout(c)91}92type execContext struct {93	target     *Target94	buf        []byte95	eof        bool96	args       map[Arg]argInfo97	copyoutSeq uint6498	// Per-call state cached here to not pass it through all functions.99	csumMap  map[Arg]CsumInfo100	csumUses map[Arg]struct{}101}102type argInfo struct {103	Addr uint64 // physical addr104	Idx  uint64 // copyout instruction index105	Ret  bool106}107func (w *execContext) writeCopyin(c *Call) {108	ForeachArg(c, func(arg Arg, ctx *ArgCtx) {109		if ctx.Base == nil {110			return111		}112		addr := w.target.PhysicalAddr(ctx.Base) + ctx.Offset113		addr -= arg.Type().UnitOffset()114		if w.willBeUsed(arg) {115			w.args[arg] = argInfo{Addr: addr}116		}117		switch arg.(type) {118		case *GroupArg, *UnionArg:119			return120		}121		typ := arg.Type()122		if arg.Dir() == DirOut || IsPad(typ) || (arg.Size() == 0 && !typ.IsBitfield()) {123			return124		}125		w.write(execInstrCopyin)126		w.write(addr)127		w.writeArg(arg)128	})129}130func (w *execContext) willBeUsed(arg Arg) bool {131	if res, ok := arg.(*ResultArg); ok && len(res.uses) != 0 {132		return true133	}134	_, ok1 := w.csumMap[arg]135	_, ok2 := w.csumUses[arg]136	return ok1 || ok2137}138func (w *execContext) writeChecksums() {139	if len(w.csumMap) == 0 {140		return141	}142	csumArgs := make([]Arg, 0, len(w.csumMap))143	for arg := range w.csumMap {144		csumArgs = append(csumArgs, arg)145	}146	sort.Slice(csumArgs, func(i, j int) bool {147		return w.args[csumArgs[i]].Addr < w.args[csumArgs[j]].Addr148	})149	for i := len(csumArgs) - 1; i >= 0; i-- {150		arg := csumArgs[i]151		info := w.csumMap[arg]152		if _, ok := arg.Type().(*CsumType); !ok {153			panic("csum arg is not csum type")154		}155		w.write(execInstrCopyin)156		w.write(w.args[arg].Addr)157		w.write(execArgCsum)158		w.write(arg.Size())159		switch info.Kind {160		case CsumInet:161			w.write(ExecArgCsumInet)162			w.write(uint64(len(info.Chunks)))163			for _, chunk := range info.Chunks {164				switch chunk.Kind {165				case CsumChunkArg:166					w.write(ExecArgCsumChunkData)167					w.write(w.args[chunk.Arg].Addr)168					w.write(chunk.Arg.Size())169				case CsumChunkConst:170					w.write(ExecArgCsumChunkConst)171					w.write(chunk.Value)172					w.write(chunk.Size)173				default:174					panic(fmt.Sprintf("csum chunk has unknown kind %v", chunk.Kind))175				}176			}177		default:178			panic(fmt.Sprintf("csum arg has unknown kind %v", info.Kind))179		}180	}181}182func (w *execContext) writeCopyout(c *Call) {183	ForeachArg(c, func(arg Arg, _ *ArgCtx) {184		if res, ok := arg.(*ResultArg); ok && len(res.uses) != 0 {185			// Create a separate copyout instruction that has own Idx.186			info := w.args[arg]187			if info.Ret {188				return // Idx is already assigned above.189			}190			info.Idx = w.copyoutSeq191			w.copyoutSeq++192			w.args[arg] = info193			w.write(execInstrCopyout)194			w.write(info.Idx)195			w.write(info.Addr)196			w.write(arg.Size())197		}198	})199}200func (w *execContext) write(v uint64) {201	if len(w.buf) < 8 {202		w.eof = true203		return204	}205	w.buf[0] = byte(v >> 0)206	w.buf[1] = byte(v >> 8)207	w.buf[2] = byte(v >> 16)208	w.buf[3] = byte(v >> 24)209	w.buf[4] = byte(v >> 32)210	w.buf[5] = byte(v >> 40)211	w.buf[6] = byte(v >> 48)212	w.buf[7] = byte(v >> 56)213	w.buf = w.buf[8:]214}215func (w *execContext) writeArg(arg Arg) {216	switch a := arg.(type) {217	case *ConstArg:218		val, pidStride := a.Value()219		typ := a.Type()220		w.writeConstArg(typ.UnitSize(), val, typ.BitfieldOffset(), typ.BitfieldLength(), pidStride, typ.Format())221	case *ResultArg:222		if a.Res == nil {223			w.writeConstArg(a.Size(), a.Val, 0, 0, 0, a.Type().Format())224		} else {225			info, ok := w.args[a.Res]226			if !ok {227				panic("no copyout index")228			}229			w.write(execArgResult)230			meta := a.Size() | uint64(a.Type().Format())<<8231			w.write(meta)232			w.write(info.Idx)233			w.write(a.OpDiv)234			w.write(a.OpAdd)235			w.write(a.Type().(*ResourceType).Default())236		}237	case *PointerArg:238		w.writeConstArg(a.Size(), w.target.PhysicalAddr(a), 0, 0, 0, FormatNative)239	case *DataArg:240		data := a.Data()241		if len(data) == 0 {242			return243		}244		w.write(execArgData)245		flags := uint64(len(data))246		if isReadableDataType(a.Type().(*BufferType)) {247			flags |= execArgDataReadable248		}249		w.write(flags)250		padded := len(data)251		if pad := 8 - len(data)%8; pad != 8 {252			padded += pad253		}254		if len(w.buf) < padded {255			w.eof = true256		} else {257			copy(w.buf, data)258			copy(w.buf[len(data):], make([]byte, 8))259			w.buf = w.buf[padded:]260		}261	case *UnionArg:262		w.writeArg(a.Option)263	default:264		panic("unknown arg type")265	}266}267func (w *execContext) writeConstArg(size, val, bfOffset, bfLength, pidStride uint64, bf BinaryFormat) {268	w.write(execArgConst)269	meta := size | uint64(bf)<<8 | bfOffset<<16 | bfLength<<24 | pidStride<<32270	w.write(meta)271	w.write(val)272}...

writeArg

Using AI Code Generation

1import (2func main() {3    fmt.Println(os.Args[0])4    fmt.Println(os.Args[1])5    fmt.Println(os.Args[2])6    fmt.Println(os.Args[3])7    fmt.Println(os.Args[4])8    fmt.Println(os.Args[5])9}10import (11func main() {12    fmt.Println(os.Args[0])13    fmt.Println(os.Args[1])14    fmt.Println(os.Args[2])15    fmt.Println(os.Args[3])16    fmt.Println(os.Args[4])17    fmt.Println(os.Args[5])18}19import (20func main() {21    fmt.Println(os.Args[0])22    fmt.Println(os.Args[1])23    fmt.Println(os.Args[2])24    fmt.Println(os.Args[3])25    fmt.Println(os.Args[4])26    fmt.Println(os.Args[5])27}28import (29func main() {30    fmt.Println(os.Args[0])31    fmt.Println(os.Args[1])32    fmt.Println(os.Args[2])33    fmt.Println(os.Args[3])34    fmt.Println(os.Args[4])35    fmt.Println(os.Args[5])36}37import (38func main() {39    fmt.Println(os.Args[0])40    fmt.Println(os.Args[1])41    fmt.Println(os.Args[2])42    fmt.Println(os.Args[3])43    fmt.Println(os.Args[4])44    fmt.Println(os.Args[5])45}46import (47func main() {48    fmt.Println(os.Args[0])49    fmt.Println(os.Args[1])50    fmt.Println(os.Args[2])51    fmt.Println(os.Args[3])52    fmt.Println(os.Args[4])53    fmt.Println(os.Args[5])54}

writeArg

Using AI Code Generation

1import (2type prog struct {3}4func (p prog) writeArg() {5	fmt.Println(p.name, p.age)6}7func main() {8	p := prog{"golang", 5}9	p.writeArg()10}11import (12type prog struct {13}14func (p prog) writeArg() {15	fmt.Println(p.name, p.age)16}17func main() {18	p := prog{"golang", 5}19	p.writeArg()20}21import (22type prog struct {23}24func (p prog) writeArg() {25	fmt.Println(p.name, p.age)26}27func main() {28	p := prog{"golang", 5}29	p.writeArg()30}31import (32type prog struct {33}34func (p prog) writeArg() {35	fmt.Println(p.name, p.age)36}37func main() {38	p := prog{"golang", 5}39	p.writeArg()40}41import (42type prog struct {43}44func (p prog) writeArg() {45	fmt.Println(p.name, p.age)46}47func main() {48	p := prog{"golang", 5}49	p.writeArg()50}51import (52type prog struct {53}54func (p prog) writeArg() {55	fmt.Println(p.name, p.age)56}57func main() {58	p := prog{"golang", 5}59	p.writeArg()60}61import (62type prog struct {63}64func (p prog) writeArg() {65	fmt.Println(p.name,

writeArg

Using AI Code Generation

1import "fmt"2func main() {3    p := new(prog)4    p.writeArg()5}6import "fmt"7func main() {8    p := new(prog)9    p.writeArg()10}11import "fmt"12func main() {13    p := new(prog)14    p.writeArg()15}16import "fmt"17func main() {18    p := new(prog)19    p.writeArg()20}21import "fmt"22func main() {23    p := new(prog)24    p.writeArg()25}26import "fmt"27func main() {28    p := new(prog)29    p.writeArg()30}31import "fmt"32func main() {33    p := new(prog)34    p.writeArg()35}36import "fmt"37func main() {38    p := new(prog)39    p.writeArg()40}41import "fmt"42func main() {43    p := new(prog)44    p.writeArg()45}46import "fmt"47func main() {48    p := new(prog)49    p.writeArg()50}51import "fmt"52func main() {53    p := new(prog)54    p.writeArg()55}56import "fmt"57func main() {58    p := new(prog)59    p.writeArg()60}61import "fmt

writeArg

Using AI Code Generation

1import (2func main() {3	prog.WriteArg()4}5import (6func WriteArg() {7	for i, arg := range os.Args[1:] {8		fmt.Printf("%d: %s9	}10}11import (12func WriteArg() {13	for i, arg := range os.Args[1:] {14		fmt.Printf("%d: %s15	}16}17import (18func WriteArg() {19	for i, arg := range os.Args[1:] {20		fmt.Printf("%d: %s21	}22}23import (24func WriteArg() {25	for i, arg := range os.Args[1:] {26		fmt.Printf("%d: %s27	}28}29import (30func WriteArg() {31	for i, arg := range os.Args[1:] {32		fmt.Printf("%d: %s33	}34}35import (36func WriteArg() {37	for i, arg := range os.Args[1:] {38		fmt.Printf("%d: %s39	}40}41import (42func WriteArg() {43	for i, arg := range os.Args[1:] {44		fmt.Printf("%d: %s45	}46}47import (48func WriteArg() {49	for i, arg := range os.Args[1:] {50		fmt.Printf("%d: %s51	}52}53import (54func WriteArg() {55	for i, arg := range os.Args[1:] {56		fmt.Printf("%d:

writeArg

Using AI Code Generation

1import (2type prog struct {3}4func main() {5	p := prog{name: "Naveen", age: 50}6	p.writeArg()7}8import (9type prog struct {10}11func (p prog) writeArg() {12	fmt.Println(p.name)13	fmt.Println(p.age)14}15func main() {16	p := prog{name: "Naveen", age: 50}17	p.writeArg()18}19import (20type prog struct {21}22func (p *prog) writeArg() {23	fmt.Println(p.name)24	fmt.Println(p.age)25}26func main() {27	p := prog{name: "Naveen", age: 50}28	p.writeArg()29}30import (31type prog struct {32}33func (p prog) writeArg() {34	fmt.Println(p.name)35	fmt.Println(p.age)36}37func main() {38	p := prog{name: "Naveen", age: 50}39	p.writeArg()40	fmt.Println(p.name)41}42import (43type prog struct {44}45func (p *prog) writeArg() {46	fmt.Println(p.name)47	fmt.Println(p.age)48}49func main() {50	p := prog{name: "Naveen", age: 50}51	p.writeArg()52	fmt.Println(p.name)53}54import (55type prog struct {56}57func (p prog) writeArg() {58	fmt.Println(p.name)59	fmt.Println(p.age)60}61func main() {62	p := prog{name: "Naveen", age: 50}63	p.writeArg()64	fmt.Println(p.name)65	fmt.Println(p.age)66}67import (68type prog struct {69}70func (p *prog) writeArg() {71	fmt.Println(p.name)72	fmt.Println(p.age)73}74func main() {75	p := prog{name: "Naveen", age: 50}76	p.writeArg()77	fmt.Println(p.name)

writeArg

Using AI Code Generation

1import (2func main() {3    fmt.Println("Output from writeArg method: ", writeArg(s))4}5import (6func writeArg(s string) string {7    return fmt.Sprintf("Hello %s", s)8}9I am very new to Go and I am trying to create a package and import it in another file. I am getting this error: prog.go:3:8: cannot find package "fmt" in any of: /usr/local/Cellar/go/1.10.3/libexec/src/fmt (from $GOROOT) /Users/xxxx/go/src/fmt (from $GOPATH) I have created a folder called prog and inside that I have created two files: prog.go and 2.go. prog.go contains the code to use the writeArg method and 2.go contains the code for the writeArg method. I am trying to run the 2.go file using the command: go run 2.go and I am getting the error: prog.go:3:8: cannot find package "fmt" in any of: /usr/local/Cellar/go/1.10.3/libexec/src/fmt (from $GOROOT) /Users/xxxx/go/src/fmt (from $GOPATH) Can anyone help me with this? Thanks in advance. go share | improve this question edited Mar 20 at 13:35 asked Mar 20 at 13:24 user3994461 1 1

writeArg

Using AI Code Generation

1import (2func main() {3	num1, _ := strconv.Atoi(args[1])4	num2, _ := strconv.Atoi(args[2])5	result := prog.writeArg(num1, num2)6	fmt.Println("The result is ", result)7}8type prog struct {9}10func (p prog) writeArg(num1, num2 int) int {11}12import (13func main() {14	num1, _ := strconv.Atoi(args[1])15	num2, _ := strconv.Atoi(args[2])16	result := prog.writeArg(num1, num2)17	fmt.Println("The result is ", result)18}19type prog struct {20}21func (p prog) writeArg(num1, num2 int) int {22}23import (24func main() {25	num1, _ := strconv.Atoi(args[1])26	num2, _ := strconv.Atoi(args[2])27	result := prog.writeArg(num1, num2)28	fmt.Println("The result is ", result)29}30type prog struct {31}32func (p prog) writeArg(num1, num2 int) int {33}34import (35func main() {

writeArg

Using AI Code Generation

1import (2func main() {3    prog.writeArg()4}5import (6func main() {7    prog.writeArg()8}9import (10func main() {11    prog.writeArg()12}13import (14func main() {15    prog.writeArg()16}17import (18func main() {19    prog.writeArg()20}21import (22func main() {23    prog.writeArg()24}25import (26func main() {27    prog.writeArg()28}29import (30func main() {31    prog.writeArg()32}33import (34func main() {

writeArg

Using AI Code Generation

1import (2func main() {3    fmt.Println(s)4}5import (6func main() {7    fmt.Println(s)8}9import (10func main() {11    fmt.Println(s)12}13import (14func main() {15    fmt.Println(s)16}17import (18func main() {19    fmt.Println(s)20}21import (22func main() {23    fmt.Println(s)24}25import (26func main() {27    fmt.Println(s)28}29import (30func main() {31    fmt.Println(s)32}

writeArg

Using AI Code Generation

1import (2type prog struct {3}4func (p prog) writeArg(arg int) {5	fmt.Println(arg)6}7func main() {8	p := prog{2}9	p.writeArg(2)10}

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