KaneAI - World’s First E2E Software Testing Agent.Book a Demo Join TestMu Conference

How to use makeDWARF method of backend Package

Best Syzkaller code snippet using backend.makeDWARF

mach-o.go

Source:mach-o.go

...11	"github.com/google/syzkaller/sys/targets"12)13func makeMachO(target *targets.Target, objDir, srcDir, buildDir string,14	moduleObj []string, hostModules []host.KernelModule) (*Impl, error) {15	return makeDWARF(target, objDir, srcDir, buildDir, moduleObj, hostModules,16		&containerFns{17			readSymbols:           machoReadSymbols,18			readTextData:          machoReadTextData,19			readModuleCoverPoints: machoReadModuleCoverPoints,20			readTextRanges:        machoReadTextRanges,21		},22	)23}24func machoReadSymbols(module *Module, info *symbolInfo) ([]*Symbol, error) {25	file, err := macho.Open(module.Path)26	if err != nil {27		return nil, err28	}29	text := file.Section("__text")...

makeDWARF

Using AI Code Generation

1import (2func main() {3	file, err := elf.Open(os.Args[1])4	if err != nil {5		fmt.Println(err)6	}7	defer file.Close()8	dwarf, err := file.DWARF()9	if err != nil {10		fmt.Println(err)11	}12	gosymtab, err := gosym.NewTable(dwarf)13	if err != nil {14		fmt.Println(err)15	}16	fmt.Println(gosymtab.LookupFunc(0x4005d0))17}18{main.main 0x4005d0}

makeDWARF

Using AI Code Generation

1import "fmt"2type backend interface {3    makeDWARF() error4}5type backend1 struct{}6func (b *backend1) makeDWARF() error {7    fmt.Println("backend1")8}9type backend2 struct{}10func (b *backend2) makeDWARF() error {11    fmt.Println("backend2")12}13func main() {14    b = &backend1{}15    b.makeDWARF()16    b = &backend2{}17    b.makeDWARF()18}19import "fmt"20type backend interface {21    makeDWARF() error22}23type backend1 struct{}24func (b *backend1) makeDWARF() error {25    fmt.Println("backend1")26}27type backend2 struct{}28func (b *backend2) makeDWARF() error {29    fmt.Println("backend2")30}31func main() {32    b = &backend1{}33    b.makeDWARF()34    b = &backend2{}35    b.makeDWARF()36}37import "fmt"38type backend interface {39    makeDWARF() error40}41type backend1 struct{}42func (b *backend1) makeDWARF() error {43    fmt.Println("backend1")44}45type backend2 struct{}46func (b *backend2) makeDWARF() error {47    fmt.Println("backend2")48}49func main() {50    b = &backend1{}51    b.makeDWARF()52    b = &backend2{}53    b.makeDWARF()54}55import "fmt"56type backend interface {57    makeDWARF() error58}59type backend1 struct{}60func (b *backend1) makeDWARF() error {61    fmt.Println("backend1")62}63type backend2 struct{}64func (b *backend2) makeDWARF() error {65    fmt.Println("backend2")

makeDWARF

Using AI Code Generation

1import (2func main() {3	f, err := elf.Open(os.Args[1])4	if err != nil {5		panic(err)6	}7	defer f.Close()8	dwarf, err := f.DWARF()9	if err != nil {10		panic(err)11	}12	syms, err := f.Symbols()13	if err != nil {14		panic(err)15	}16	lines, err := f.LineTable()17	if err != nil {18		panic(err)19	}20	pclntab, err := f.Section(".gopclntab").Data()21	if err != nil {22		panic(err)23	}24	gosymtab, err := gosym.NewTable(pclntab)25	if err != nil {26		panic(err)27	}28	pc := uint64(0x4010c0)29	fn := gosymtab.PCToFunc(pc)30	if fn == nil {31		panic("function not found")32	}33	file, line := fn.FileLine(pc)34	fmt.Printf("%s:%d35	pc, err = fn.PCLine(line)36	if err != nil {37		panic(err)38	}39	var (40	rdr := dwarf.Reader()41	for {42		entry, err := rdr.Next()43		if err != nil {44			panic(err)45		}46		if entry == nil {47		}48		if entry.Tag != dwarf.TagSubprogram {49		}50		for {51			attr, err := rdr.Attr()52			if err != nil {53				panic(err)54			}55			if attr == nil {

makeDWARF

Using AI Code Generation

1        0x0000 00000 (1.go:1)       TEXT    "".main(SB), ABIInternal, $0-02        0x0000 00000 (1.go:1)       FUNCDATA        $0, gclocals·33cdeccccebe80329f1fdbee7f5874cb(SB)3        0x0000 00000 (1.go:1)       FUNCDATA        $1, gclocals·33cdeccccebe80329f1fdbee7f5874cb(SB)4        0x0000 00000 (1.go:1)       FUNCDATA        $2, gclocals·33cdeccccebe80329f1fdbee7f5874cb(SB)5        0x0000 00000 (1.go:1)       FUNCDATA        $3, gclocals·33cdeccccebe80329f1fdbee7f5874cb(SB)6        0x0000 00000 (1.go:1)       FUNCDATA        $4, gclocals·33cdeccccebe80329f1fdbee7f5874cb(SB)7        0x0000 00000 (1.go:3)       MOVQ    "".b+24(SP), AX8        0x0005 00005 (1.go:3)       MOVQ    "".a+16(SP), CX9        0x000a 00010 (1.go:3)       MOVQ    "".c+32(SP), DX10        0x000f 00015 (1.go:3)       MOVQ    "".d+40(SP), SI11        0x0014 00020 (1.go:3)       MOVQ

makeDWARF

Using AI Code Generation

1import (2func main() {3	f, err := elf.Open("test")4	if err != nil {5		fmt.Println(err)6	}7	sec := f.Section(".debug_info")8	if sec == nil {9		fmt.Println("Section not found")10	}11	data, err := sec.Data()12	if err != nil {13		fmt.Println(err)14	}15	dwarf, err := elf.NewDWARF(data)16	if err != nil {17		fmt.Println(err)

Automation Testing Tutorials

Learn to execute automation testing from scratch with LambdaTest Learning Hub. Right from setting up the prerequisites to run your first automation test, to following best practices and diving deeper into advanced test scenarios. LambdaTest Learning Hubs compile a list of step-by-step guides to help you be proficient with different test automation frameworks i.e. Selenium, Cypress, TestNG etc.