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How to use writeConstArg method of prog Package

Best Syzkaller code snippet using prog.writeConstArg

encodingexec.go

Source:encodingexec.go

...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}...

writeConstArg

Using AI Code Generation

1import (2func main() {3 target, err := prog.GetTarget("linux", "amd64")4 if err != nil {5 log.Fatal(err)6 }

writeConstArg

Using AI Code Generation

1import (2func main() {3	f, err := parser.ParseFile(fset, "2.go", nil, parser.ParseComments)4	if err != nil {5		log.Fatal(err)6	}7	for _, s := range f.Imports {8		fmt.Printf("%s\n", s.Path.Value)9	}10	ast.Print(fset, f)11}

writeConstArg

Using AI Code Generation

1import (2func main() {3	target, err := prog.GetTarget("linux", "amd64")4	if err != nil {5		fmt.Println("Error in getting target: ", err)6	}7	prog := target.MakeProg()8	prog.WriteConstArg(sys.TypeInt32, 10)9	prog.WriteConstArg(sys.TypeString, "This is a string")10	prog.WriteConstArg(sys.TypeBoolean, true)11	prog.WriteConstArg(sys.TypeResource, 100)12	prog.WriteConstArg(sys.TypeFile, 10)13	prog.WriteConstArg(sys.TypePointer, 10)14	prog.WriteConstArg(sys.TypeUnion, 10)15	prog.WriteConstArg(sys.TypeArray, 10)16	prog.WriteConstArg(sys.TypeVma, 10)17	prog.WriteConstArg(sys.TypeFlags, 10)18	prog.WriteConstArg(sys.TypeInet, 10)19	prog.WriteConstArg(sys.TypeLen, 10)20	prog.WriteConstArg(sys.TypeProc, 10)21	prog.WriteConstArg(sys.TypeCgroup, 10)22	prog.WriteConstArg(sys.TypeFd, 10)23	prog.WriteConstArg(sys.TypeResource, 10)24	prog.WriteConstArg(sys.TypeText, 10)25	prog.WriteConstArg(sys.TypeConst, 10)

writeConstArg

Using AI Code Generation

1import (2func main() {3	p := prog.InitTarget("linux", "amd64")4	fmt.Printf("p: %v\n", p)5	fmt.Printf("p.Syscalls: %v\n", p.Syscalls)6	fmt.Printf("p.Syscalls[0]: %v\n", p.Syscalls[0])7	fmt.Printf("p.Syscalls[0].Args: %v\n", p.Syscalls[0].Args)8	fmt.Printf("p.Syscalls[0].Args[0]: %v\n", p.Syscalls[0].Args[0])9	fmt.Printf("p.Syscalls[0].Args[0].Type: %v\n", p.Syscalls[0].Args[0].Type)10	fmt.Printf("p.Syscalls[0].Args[0].Type.Name(): %v\n", p.Syscalls[0].Args[0].Type.Name())11	fmt.Printf("p.Syscalls[0].Args[0].Type.(*prog.ConstType): %v\n", p.Syscalls[0].Args[0].Type.(*prog.ConstType))12	fmt.Printf("p.Syscalls[0].Args[0].Type.(*prog.ConstType).Values: %v\n", p.Syscalls[0].Args[0].Type.(*prog.ConstType).Values)13	fmt.Printf("p.Syscalls[0].Args[0].Type.(*prog.ConstType).Values[0]: %v\n", p.Syscalls[0].Args[0].Type.(*prog.ConstType).Values[0])14	fmt.Printf("p.Syscalls[0].Args[0].Type.(*prog.ConstType).Values[0].Val: %v\n", p.Syscalls[0].Args[0].Type.(*prog.ConstType).Values[0].Val)15	fmt.Printf("p.Syscalls[0].Args[0].Type.(*prog.ConstType).Values[0].Name: %v\n", p.Syscalls[0].Args[0].Type.(*prog.ConstType).Values[0].Name)16	fmt.Printf("p.Syscalls[0].Args[0].Type.(*prog.ConstType).Values[0].Name: %v\n", p.Syscalls[0].Args[0].Type.(*prog.ConstType).Values[1].Name)

writeConstArg

Using AI Code Generation

1import "fmt"2func main() {3 fmt.Println("Inside main")4 prog := Prog{}5 prog.writeConstArg()6}

writeConstArg

Using AI Code Generation

1import (2func main() {3	prog := new(program)4	prog.writeConstArg(10)5}6import "fmt"7type program struct {8}9func (p *program) writeConstArg(x int) {10	fmt.Println("hello")11}12import (13func main() {14	prog := new(program)15	prog.writeConstArg(10)16}17import "fmt"18type program struct {19}20func (p *program) writeConstArg(x int) {21	fmt.Println("hello")22}23import "fmt"24type IWriter interface {25	writeConstArg(x int)26}27import "fmt"28type program struct {29}30func (p *program) writeConstArg(x int) {31	fmt.Println("hello")32}33func main() {34	prog := new(program)35	prog.writeConstArg(10)36}

writeConstArg

Using AI Code Generation

1import (2type Prog struct {3}4func NewProg(path string) *Prog {5	fset := token.NewFileSet()6	f, err := parser.ParseFile(fset, path, nil, parser.AllErrors)7	if err != nil {8		log.Fatal(err)9	}10	prog := &Prog{ProgName: f.Name.Name, ProgPath: path, ProgFile: f}11	prog.writeFunc()12	prog.writeBody()13	prog.writeArgs()14	prog.writeConstArg()15	prog.writeVarArg()16	prog.writeVarArgType()17	prog.writeVarArgName()18	prog.writeVarArgNameType()

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