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How to use genPad method of compiler Package

Best Syzkaller code snippet using compiler.genPad

gen.go

Source:gen.go

...191					" which is less than struct size %v",192					structNode.Name.Name, sizeAttr, t.TypeSize)193			}194			if pad := sizeAttr - t.TypeSize; pad != 0 {195				t.Fields = append(t.Fields, genPad(pad))196			}197			t.TypeSize = sizeAttr198		}199	}200}201func (ctx *structGen) walkUnion(t *prog.UnionType) {202	if !ctx.check(t.Key, &t.StructDesc) {203		return204	}205	comp := ctx.comp206	structNode := comp.structNodes[t.StructDesc]207	varlen, sizeAttr := comp.parseUnionAttrs(structNode)208	t.TypeSize = 0209	if !varlen {210		for _, fld := range t.Fields {211			sz := fld.Size()212			if sizeAttr != sizeUnassigned && sz > sizeAttr {213				comp.error(structNode.Pos, "union %v has size attribute %v"+214					" which is less than field %v size %v",215					structNode.Name.Name, sizeAttr, fld.Name(), sz)216			}217			if t.TypeSize < sz {218				t.TypeSize = sz219			}220		}221		if sizeAttr != sizeUnassigned {222			t.TypeSize = sizeAttr223		}224	}225}226func (comp *compiler) genStructDesc(res *prog.StructDesc, n *ast.Struct, dir prog.Dir, varlen bool) {227	// Leave node for genStructDescs to calculate size/padding.228	comp.structNodes[res] = n229	common := genCommon(n.Name.Name, "", sizeUnassigned, dir, false)230	common.IsVarlen = varlen231	*res = prog.StructDesc{232		TypeCommon: common,233		Fields:     comp.genFieldArray(n.Fields, dir, false),234	}235}236func (comp *compiler) markBitfields(fields []prog.Type) {237	var bfOffset uint64238	for i, f := range fields {239		if f.BitfieldLength() == 0 {240			continue241		}242		off, middle := bfOffset, true243		bfOffset += f.BitfieldLength()244		if i == len(fields)-1 || // Last bitfield in a group, if last field of the struct...245			fields[i+1].BitfieldLength() == 0 || // or next field is not a bitfield...246			f.Size() != fields[i+1].Size() || // or next field is of different size...247			bfOffset+fields[i+1].BitfieldLength() > f.Size()*8 { // or next field does not fit into the current group.248			middle, bfOffset = false, 0249		}250		setBitfieldOffset(f, off, middle)251	}252}253func setBitfieldOffset(t0 prog.Type, offset uint64, middle bool) {254	switch t := t0.(type) {255	case *prog.IntType:256		t.BitfieldOff, t.BitfieldMdl = offset, middle257	case *prog.ConstType:258		t.BitfieldOff, t.BitfieldMdl = offset, middle259	case *prog.LenType:260		t.BitfieldOff, t.BitfieldMdl = offset, middle261	case *prog.FlagsType:262		t.BitfieldOff, t.BitfieldMdl = offset, middle263	case *prog.ProcType:264		t.BitfieldOff, t.BitfieldMdl = offset, middle265	default:266		panic(fmt.Sprintf("type %#v can't be a bitfield", t))267	}268}269func (comp *compiler) addAlignment(fields []prog.Type, varlen, packed bool, alignAttr uint64) []prog.Type {270	var newFields []prog.Type271	if packed {272		// If a struct is packed, statically sized and has explicitly set alignment,273		// add a padding at the end.274		newFields = fields275		if !varlen && alignAttr != 0 {276			size := uint64(0)277			for _, f := range fields {278				if !f.BitfieldMiddle() {279					size += f.Size()280				}281			}282			if tail := size % alignAttr; tail != 0 {283				newFields = append(newFields, genPad(alignAttr-tail))284			}285		}286		return newFields287	}288	var align, off uint64289	for i, f := range fields {290		if i == 0 || !fields[i-1].BitfieldMiddle() {291			a := comp.typeAlign(f)292			if align < a {293				align = a294			}295			// Append padding if the last field is not a bitfield or it's the last bitfield in a set.296			if off%a != 0 {297				pad := a - off%a298				off += pad299				newFields = append(newFields, genPad(pad))300			}301		}302		newFields = append(newFields, f)303		if !f.BitfieldMiddle() && (i != len(fields)-1 || !f.Varlen()) {304			// Increase offset if the current field is not a bitfield305			// or it's the last bitfield in a set, except when it's306			// the last field in a struct and has variable length.307			off += f.Size()308		}309	}310	if alignAttr != 0 {311		align = alignAttr312	}313	if align != 0 && off%align != 0 && !varlen {314		pad := align - off%align315		off += pad316		newFields = append(newFields, genPad(pad))317	}318	return newFields319}320func (comp *compiler) typeAlign(t0 prog.Type) uint64 {321	switch t0.(type) {322	case *prog.IntType, *prog.ConstType, *prog.LenType, *prog.FlagsType, *prog.ProcType,323		*prog.CsumType, *prog.PtrType, *prog.VmaType, *prog.ResourceType:324		return t0.Size()325	case *prog.BufferType:326		return 1327	}328	switch t := t0.(type) {329	case *prog.ArrayType:330		return comp.typeAlign(t.Type)331	case *prog.StructType:332		packed, _, alignAttr := comp.parseStructAttrs(comp.structNodes[t.StructDesc])333		if alignAttr != 0 {334			return alignAttr // overrided by user attribute335		}336		if packed {337			return 1338		}339		align := uint64(0)340		for _, f := range t.Fields {341			if a := comp.typeAlign(f); align < a {342				align = a343			}344		}345		return align346	case *prog.UnionType:347		align := uint64(0)348		for _, f := range t.Fields {349			if a := comp.typeAlign(f); align < a {350				align = a351			}352		}353		return align354	default:355		panic(fmt.Sprintf("unknown type: %#v", t))356	}357}358func genPad(size uint64) prog.Type {359	return &prog.ConstType{360		IntTypeCommon: genIntCommon(genCommon("pad", "", size, prog.DirIn, false), 0, false),361		IsPad:         true,362	}363}364func (comp *compiler) genField(f *ast.Field, dir prog.Dir, isArg bool) prog.Type {365	return comp.genType(f.Type, f.Name.Name, dir, isArg)366}367func (comp *compiler) genFieldArray(fields []*ast.Field, dir prog.Dir, isArg bool) []prog.Type {368	var res []prog.Type369	for _, f := range fields {370		res = append(res, comp.genField(f, dir, isArg))371	}372	return res...

genPad

Using AI Code Generation

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

genPad

Using AI Code Generation

1import (2func main() {3    fmt.Printf("Enter the length of the pad: ")4    fmt.Scanf("%d", &padLength)5    fmt.Println("Length of pad is ", padLength)6    fmt.Println("The pad is ", compiler.genPad(padLength))7    fmt.Println("The pad is ", compiler.genPad(5))8    fmt.Println("The pad is ", compiler.genPad(10))9    fmt.Println("The pad is ", compiler.genPad(15))10    fmt.Println("The pad is ", compiler.genPad(20))11    fmt.Println("The pad is ", compiler.genPad(25))12    fmt.Println("The pad is ", compiler.genPad(30))13    fmt.Println("The pad is ", compiler.genPad(35))14    fmt.Println("The pad is ", compiler.genPad(40))15    fmt.Println("The pad is ", compiler.genPad(45))16    fmt.Println("The pad is ", compiler.genPad(50))17    fmt.Println("The pad is ", compiler.genPad(55))18    fmt.Println("The pad is ", compiler.genPad(60))19    fmt.Println("The pad is ", compiler.genPad(65))20    fmt.Println("The pad is ", compiler.genPad(70))21    fmt.Println("The pad is ", compiler.genPad(75))22    fmt.Println("The pad is ", compiler.genPad(80))23    fmt.Println("The pad is ", compiler.genPad(85))24    fmt.Println("The pad is ", compiler.genPad(90))25    fmt.Println("The pad is ", compiler.genPad(95))26    fmt.Println("The pad is ", compiler.genPad(100))27    fmt.Println("The pad is ", compiler.genPad(105))28    fmt.Println("The pad is ", compiler.genPad(110))29    fmt.Println("The pad is ", compiler.genPad(115))30    fmt.Println("The pad is ", compiler.genPad(120))31    fmt.Println("The pad is ", compiler.genPad(125))32    fmt.Println("The pad is ", compiler.genPad(130))33    fmt.Println("The pad is ", compiler.genPad(135))34    fmt.Println("The pad is ", compiler.genPad(140))35    fmt.Println("The pad is ", compiler.genPad(145))36    fmt.Println("The pad is

genPad

Using AI Code Generation

1public class 2 {2    public static void main(String[] args) {3        Compiler c = new Compiler();4        System.out.println(c.genPad("int"));5        System.out.println(c.genPad("String"));6        System.out.println(c.genPad("boolean"));7        System.out.println(c.genPad("double"));8    }9}10public class 2 {11    public static void main(String[] args) {12        Compiler c = new Compiler();13        System.out.println(c.genPad("int"));14        System.out.println(c.genPad("String"));15        System.out.println(c.genPad("boolean"));16        System.out.println(c.genPad("double"));17    }18}19public class 2 {20    public static void main(String[] args) {21        Compiler c = new Compiler();22        System.out.println(c.genPad("int"));23        System.out.println(c.genPad("String"));24        System.out.println(c.genPad("boolean"));25        System.out.println(c.genPad("double"));26    }27}28public class 2 {29    public static void main(String[] args) {30        Compiler c = new Compiler();31        System.out.println(c.genPad("int"));32        System.out.println(c.genPad("String"));33        System.out.println(c.genPad("boolean"));34        System.out.println(c.genPad("double"));35    }36}37public class 2 {38    public static void main(String[] args) {

genPad

Using AI Code Generation

1import "fmt"2import "os"3import "bufio"4import "strconv"5import "strings"6import "io/ioutil"7import "encoding/binary"8import "bytes"9import "math"10import "math/rand"11type compiler struct {12}13func (c *compiler) genPad(size int) {14    c.pad = make([]byte, size)15    for i := 0; i < size; i++ {16    }17}18func (c *compiler) genCode(op uint8, rs uint8, rt uint8, rd uint8, imm uint8) {19}20func (c *compiler) genData(value uint32) {21    binary.LittleEndian.PutUint32(c.data[c.sp:], value)22}23func (c *compiler) genCode2(op uint8, rs uint8, rt uint8, rd uint8, imm uint8) {24}25func (c *compiler) genData2(value uint32) {26    binary.LittleEndian.PutUint32(c.data[c.sp:], value)27}28func (c *compiler) genCode3(op uint8, rs uint8, rt uint8, rd uint8, imm uint8) {

genPad

Using AI Code Generation

1import (2type compiler struct {3}4func main() {5	c := compiler{"Go", 1}6	c.genPad()7	fmt.Println("size of c is", unsafe.Sizeof(c))8}9import (10type compiler struct {11}12func main() {13	c := compiler{"Go", 1}14	c.genPad()15	fmt.Println("size of c is", unsafe.Sizeof(c))16}17import (18type compiler struct {19}20func main() {21	c := compiler{"Go", 1}22	c.genPad()23	fmt.Println("size of c is", unsafe.Sizeof(c))24}25import (26type compiler struct {27}28func main() {29	c := compiler{"Go", 1}30	c.genPad()31	fmt.Println("size of c is", unsafe.Sizeof(c))32}33import (34type compiler struct {35}36func main() {37	c := compiler{"Go", 1}

genPad

Using AI Code Generation

1import (2func main() {3    if len(os.Args) != 3 {4        fmt.Println("Usage: 2.go <string to pad> <output file>")5        os.Exit(1)6    }7    c := NewCompiler()8    pad := c.genPad(os.Args[1])9    f, err := os.Create(os.Args[2])10    if err != nil {11        fmt.Println("Error opening file")12        os.Exit(1)13    }14    _, err = f.Write(pad)15    if err != nil {16        fmt.Println("Error writing to file")17        os.Exit(1)18    }19    _, err = f.Write([]byte(os.Args[1]))20    if err != nil {21        fmt.Println("Error writing to file")22        os.Exit(1)23    }24    err = f.Close()25    if err != nil {26        fmt.Println("Error closing file")27        os.Exit(1)28    }29}30import (31func main() {32    if len(os.Args) != 3 {33        fmt.Println("Usage: 2.go <string to pad> <output file>")34        os.Exit(1)35    }36    c := NewCompiler()37    pad := c.genPad(os.Args[1])38    f, err := os.Create(os.Args[2])39    if err != nil {40        fmt.Println("Error opening file")41        os.Exit(1)42    }43    _, err = f.Write(pad)44    if err != nil {45        fmt.Println("Error writing to file")46        os.Exit(1)47    }

genPad

Using AI Code Generation

1import (2type compiler struct {3}4func (c *compiler) genPad() {5	type struct1 struct {6	}7	fmt.Println("Padding size for struct1 is:", unsafe.Sizeof(struct1{}))8	type struct2 struct {9	}10	fmt.Println("Padding size for struct2 is:", unsafe.Sizeof(struct2{}))11}12func main() {13	c := &compiler{}14	c.genPad()15}

genPad

Using AI Code Generation

1import (2func main() {3	compiler := new(Compiler)4	pad := compiler.genPad(4, 4)5	compiler.printPad(pad)6}7type Compiler struct {8}9func (c *Compiler) genPad(rows, cols int) [][]int {10	pad := make([][]int, rows)11	for i := 0; i < rows; i++ {12		pad[i] = make([]int, cols)13	}14}15func (c *Compiler) printPad(pad [][]int) {16	for i := 0; i < len(pad); i++ {17		for j := 0; j < len(pad[i]); j++ {18			fmt.Printf("%d ", pad[i][j])19		}20		fmt.Printf("21	}22}23import (24func main() {25	compiler := new(Compiler)26	pad := compiler.genPad(4, 4)27	compiler.printPad(pad)28}29type Compiler struct {30}31func (c *Compiler) genPad(rows, cols int) [][]int {32	pad := make([][]int, rows)33	for i := 0; i < rows; i++ {34		pad[i] = make([]int, cols)35	}36}37func (c *Compiler) printPad(pad [][]int) {

genPad

Using AI Code Generation

1import (2func main() {3	compiler := new(Compiler)4	s := new(struct {5	})6	offset := compiler.offsetof(s, "i")7	pad := compiler.genPad(offset)8	fmt.Println(pad)9}10type Compiler struct {11}12func (c *Compiler) offsetof(s interface{}, field string) int {13	st := reflect.TypeOf(s)14	f, _ := st.FieldByName(field)15}16func (c *Compiler) genPad(offset int) []byte {17	pad := 4 - (offset % 4)18	p := make([]byte, pad)19}

genPad

Using AI Code Generation

1import (2type compiler struct {3}4func (c compiler) genPad(s interface{}) []byte {5	size := reflect.TypeOf(s).Size()6	sizeNoPad := reflect.TypeOf(s).Size()7	numFields := reflect.ValueOf(s).NumField()8	for i := 0; i < numFields; i++ {9		sizeField := reflect.TypeOf(s).Field(i).Type.Size()10	}11	padSlice := make([]byte, pad)12}13func main() {14	c := new(compiler)15	type myStruct struct {16	}17	s := new(myStruct)18	pad := c.genPad(s)19	file, err := os.Create("padding.txt")20	if err != nil {21		fmt.Println("Error creating file")22	}23	file.Write(pad)24	file.Close()25}26import (27type compiler struct {28}29func (c compiler) genPad(s interface{}) []byte {30	size := reflect.TypeOf(s).Size()

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