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Syzkaller
compiler
setBitfieldUnitOffset

How to use setBitfieldUnitOffset method of compiler Package

Best Syzkaller code snippet using compiler.setBitfieldUnitOffset

gen.go

Source:gen.go

...328		}329		if f.IsBitfield() {330			if byteOffset > fieldOffset {331				unitOffset := byteOffset - fieldOffset332				setBitfieldUnitOffset(f, unitOffset)333			}334		}335		newFields = append(newFields, field)336		if f.IsBitfield() {337			bitOffset += f.BitfieldLength()338		} else if !f.Varlen() {339			// Increase offset if the current field except when it's340			// the last field in a struct and has variable length.341			byteOffset += f.Size()342		}343	}344	if bitOffset != 0 {345		pad := roundup(bitOffset, 8) / 8346		byteOffset += pad347		i := len(t.Fields)348		if i != 0 && t.Fields[i-1].IsBitfield() {349			setBitfieldTypeSize(t.Fields[i-1].Type, pad)350		} else {351			newFields = append(newFields, genPad(pad))352		}353	}354	if t.AlignAttr != 0 {355		structAlign = t.AlignAttr356	}357	if !varlen && structAlign != 0 && byteOffset%structAlign != 0 {358		pad := structAlign - byteOffset%structAlign359		newFields = append(newFields, genPad(pad))360	}361	t.Fields = newFields362}363func roundup(v, a uint64) uint64 {364	return rounddown(v+a-1, a)365}366func rounddown(v, a uint64) uint64 {367	if (a & (a - 1)) != 0 {368		panic(fmt.Sprintf("rounddown(%v)", a))369	}370	return v & ^(a - 1)371}372func bitfieldFields(t0 prog.Type) (*uint64, *uint64, *uint64) {373	switch t := t0.(type) {374	case *prog.IntType:375		return &t.TypeSize, &t.BitfieldOff, &t.BitfieldUnitOff376	case *prog.ConstType:377		return &t.TypeSize, &t.BitfieldOff, &t.BitfieldUnitOff378	case *prog.LenType:379		return &t.TypeSize, &t.BitfieldOff, &t.BitfieldUnitOff380	case *prog.FlagsType:381		return &t.TypeSize, &t.BitfieldOff, &t.BitfieldUnitOff382	case *prog.ProcType:383		return &t.TypeSize, &t.BitfieldOff, &t.BitfieldUnitOff384	default:385		panic(fmt.Sprintf("type %#v can't be a bitfield", t))386	}387}388func setBitfieldTypeSize(t prog.Type, v uint64) {389	p, _, _ := bitfieldFields(t)390	*p = v391}392func setBitfieldOffset(t prog.Type, v uint64) {393	_, p, _ := bitfieldFields(t)394	*p = v395}396func setBitfieldUnitOffset(t prog.Type, v uint64) {397	_, _, p := bitfieldFields(t)398	*p = v399}400func genPad(size uint64) prog.Field {401	return prog.Field{402		Type: &prog.ConstType{403			IntTypeCommon: genIntCommon(genCommon("pad", size, false), 0, false),404			IsPad:         true,405		},406	}407}408func (comp *compiler) genFieldArray(fields []*ast.Field, argSizes []uint64) []prog.Field {409	var res []prog.Field410	for i, f := range fields {...

setBitfieldUnitOffset

Using AI Code Generation

1import (2func main() {3	fmt.Println("Hello, playground")4}5import (6func main() {7	fmt.Println("Hello, playground")8}9import (10func main() {11	fmt.Println("Hello, playground")12}13import (14func main() {15	fmt.Println("Hello, playground")16}17import (18func main() {19	fmt.Println("Hello, playground")20}21import (22func main() {23	fmt.Println("Hello, playground")24}25import (26func main() {27	fmt.Println("Hello, playground")28}29import (30func main() {31	fmt.Println("Hello, playground")32}33import (34func main() {35	fmt.Println("Hello, playground")36}37import (38func main() {39	fmt.Println("Hello, playground")40}41import (42func main() {43	fmt.Println("Hello, playground")44}45import (46func main() {47	fmt.Println("Hello, playground")48}

setBitfieldUnitOffset

Using AI Code Generation

1import "fmt"2func main() {3    compiler := new(Compiler)4    compiler.setBitfieldUnitOffset(5)5    fmt.Println("The bitfield unit offset is", compiler.bitfieldUnitOffset)6}7import "fmt"8func main() {9    compiler := new(Compiler)10    compiler.setBitfieldUnitOffset(5)11    fmt.Println("The bitfield unit offset is", compiler.bitfieldUnitOffset)12}13import "fmt"14func main() {15    compiler := new(Compiler)16    compiler.setBitfieldUnitOffset(5)17    fmt.Println("The bitfield unit offset is", compiler.bitfieldUnitOffset)18}19import "fmt"20func main() {21    compiler := new(Compiler)22    compiler.setBitfieldUnitOffset(5)23    fmt.Println("The bitfield unit offset is", compiler.bitfieldUnitOffset)24}25import "fmt"26func main() {27    compiler := new(Compiler)28    compiler.setBitfieldUnitOffset(5)29    fmt.Println("The bitfield unit offset is", compiler.bitfieldUnitOffset)30}31import "fmt"32func main() {33    compiler := new(Compiler)34    compiler.setBitfieldUnitOffset(5)35    fmt.Println("The bitfield unit offset is", compiler.bitfieldUnitOffset)36}37import "fmt"38func main() {39    compiler := new(Compiler)40    compiler.setBitfieldUnitOffset(5)41    fmt.Println("The bitfield unit offset is", compiler.bitfieldUnitOffset)42}43import "fmt"44func main() {45    compiler := new(Compiler)46    compiler.setBitfieldUnitOffset(5)

setBitfieldUnitOffset

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	ast.Print(fset, f)8	ast.Print(fset, f)9	pkgs, err := packages.Load(&packages.Config{10	}, ".")11	if err != nil {12		log.Fatal(err)13	}

setBitfieldUnitOffset

Using AI Code Generation

1import "fmt"2func main() {3    var x struct {4    }5    fmt.Println("x.f1:", unsafe.Offsetof(x.f1))6    fmt.Println("x.f2:", unsafe.Offsetof(x.f2))7    fmt.Println("x.f3:", unsafe.Offsetof(x.f3))8}9import "fmt"10func main() {11    var x struct {12    }13    fmt.Println("x.f1:", unsafe.Offsetof(x.f1))14    fmt.Println("x.f2:", unsafe.Offsetof(x.f2))15    fmt.Println("x.f3:", unsafe.Offsetof(x.f3))16}17import "fmt"18func main() {19    var x struct {20    }21    fmt.Println("x.f1:", unsafe.Offsetof(x.f1))22    fmt.Println("x.f2:", unsafe.Offsetof(x.f2))23    fmt.Println("x.f3:", unsafe.Offsetof(x.f3))24}25import "fmt"26func main() {27    var x struct {28    }29    fmt.Println("x.f1:", unsafe.Offsetof(x.f1))30    fmt.Println("x

setBitfieldUnitOffset

Using AI Code Generation

1import "fmt"2func main() {3    fmt.Println("Enter the 4 units of bitfield")4    fmt.Scan(&unit1, &unit2, &unit3, &unit4)5    fmt.Println("Enter the offset and size of bitfield")6    fmt.Scan(&offset, &size)7    fmt.Println("The bitfield is", setBitfieldUnitOffset(unit1, unit2, unit3, unit4, offset, size))8}9func setBitfieldUnitOffset(unit1, unit2, unit3, unit4, offset, size int) int {10    mask = (1 << size) - 111    mask = mask & (unit2 | (unit3 << 8) | (unit4 << 16))12}

setBitfieldUnitOffset

Using AI Code Generation

1import (2func main() {3 var a struct {4 }5 fmt.Println("Size of struct a is", unsafe.Sizeof(a))6}

setBitfieldUnitOffset

Using AI Code Generation

1func setBitfieldUnitOffset(field, offset) {2}3func getBitfieldUnitOffset(field) {4}5func setBitfieldUnitSize(field, size) {6}7func getBitfieldUnitSize(field) {8}9func setBitfieldOffset(field, offset) {10}

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