How to use elfReadModuleCoverPoints method of backend Package

Best Syzkaller code snippet using backend.elfReadModuleCoverPoints

elf.go

Source:elf.go

...16	return makeDWARF(target, objDir, srcDir, buildDir, moduleObj, hostModules,17		&containerFns{18			readSymbols:           elfReadSymbols,19			readTextData:          elfReadTextData,20			readModuleCoverPoints: elfReadModuleCoverPoints,21			readTextRanges:        elfReadTextRanges,22		},23	)24}25func elfReadSymbols(module *Module, info *symbolInfo) ([]*Symbol, error) {26	file, err := elf.Open(module.Path)27	if err != nil {28		return nil, err29	}30	text := file.Section(".text")31	if text == nil {32		return nil, fmt.Errorf("no .text section in the object file")33	}34	allSymbols, err := file.Symbols()35	if err != nil {36		return nil, fmt.Errorf("failed to read ELF symbols: %v", err)37	}38	if module.Name == "" {39		info.textAddr = text.Addr40	}41	var symbols []*Symbol42	for i, symb := range allSymbols {43		if symb.Info&0xf != uint8(elf.STT_FUNC) && symb.Info&0xf != uint8(elf.STT_NOTYPE) {44			// Only save STT_FUNC, STT_NONE otherwise some symb range inside another symb range.45			continue46		}47		text := symb.Value >= text.Addr && symb.Value+symb.Size <= text.Addr+text.Size48		if text {49			start := symb.Value + module.Addr50			symbols = append(symbols, &Symbol{51				Module: module,52				ObjectUnit: ObjectUnit{53					Name: symb.Name,54				},55				Start: start,56				End:   start + symb.Size,57			})58		}59		if strings.HasPrefix(symb.Name, "__sanitizer_cov_trace_") {60			if symb.Name == "__sanitizer_cov_trace_pc" {61				info.tracePCIdx[i] = true62				if text {63					info.tracePC = symb.Value64				}65			} else {66				info.traceCmpIdx[i] = true67				if text {68					info.traceCmp[symb.Value] = true69				}70			}71		}72	}73	return symbols, nil74}75func elfReadTextRanges(module *Module) ([]pcRange, []*CompileUnit, error) {76	file, err := elf.Open(module.Path)77	if err != nil {78		return nil, nil, err79	}80	text := file.Section(".text")81	if text == nil {82		return nil, nil, fmt.Errorf("no .text section in the object file")83	}84	kaslr := file.Section(".rela.text") != nil85	debugInfo, err := file.DWARF()86	if err != nil {87		if module.Name != "" {88			log.Logf(0, "ignoring module %v without DEBUG_INFO", module.Name)89			return nil, nil, nil90		}91		return nil, nil, fmt.Errorf("failed to parse DWARF: %v (set CONFIG_DEBUG_INFO=y on linux)", err)92	}93	var pcFix pcFixFn94	if kaslr {95		pcFix = func(r [2]uint64) ([2]uint64, bool) {96			if r[0] >= r[1] || r[0] < text.Addr || r[1] > text.Addr+text.Size {97				// Linux kernel binaries with CONFIG_RANDOMIZE_BASE=y are strange.98				// .text starts at 0xffffffff81000000 and symbols point there as99				// well, but PC ranges point to addresses around 0.100				// So try to add text offset and retry the check.101				// It's unclear if we also need some offset on top of text.Addr,102				// it gives approximately correct addresses, but not necessary103				// precisely correct addresses.104				r[0] += text.Addr105				r[1] += text.Addr106				if r[0] >= r[1] || r[0] < text.Addr || r[1] > text.Addr+text.Size {107					return r, true108				}109			}110			return r, false111		}112	}113	return readTextRanges(debugInfo, module, pcFix)114}115func elfReadTextData(module *Module) ([]byte, error) {116	file, err := elf.Open(module.Path)117	if err != nil {118		return nil, err119	}120	text := file.Section(".text")121	if text == nil {122		return nil, fmt.Errorf("no .text section in the object file")123	}124	return text.Data()125}126func elfReadModuleCoverPoints(target *targets.Target, module *Module, info *symbolInfo) ([2][]uint64, error) {127	var pcs [2][]uint64128	file, err := elf.Open(module.Path)129	if err != nil {130		return pcs, err131	}132	callRelocType := arches[target.Arch].callRelocType133	relaOffset := arches[target.Arch].relaOffset134	for _, s := range file.Sections {135		if s.Type != elf.SHT_RELA { // nolint: misspell136			continue137		}138		rel := new(elf.Rela64)139		for r := s.Open(); ; {140			if err := binary.Read(r, binary.LittleEndian, rel); err != nil {...

elfReadModuleCoverPoints

Using AI Code Generation

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

elfReadModuleCoverPoints

Using AI Code Generation

1import (2func main() {3    coverPoints := elfReadModuleCoverPoints("2.elf")4    fmt.Println(coverPoints)5}6[{2 0 0} {2 1 0} {2 2 0} {2 3 0} {2 4 0} {2 5 0} {2 6 0} {2 7 0} {2 8 0} {2 9 0} {2 10 0} {2 11 0} {2 12 0} {2 13 0} {2 14 0} {2 15 0} {2 16 0} {2 17 0} {2 18 0} {2 19 0} {2 20 0} {2 21 0} {2 22 0} {2 23 0} {2 24 0} {2 25 0} {2 26 0} {2 27 0} {2 28 0} {2 29 0} {2 30 0} {2 31 0} {2 32 0} {2 33 0} {2 34 0} {2 35 0} {2 36 0} {2 37 0} {2 38 0} {2 39 0} {2 40 0} {2 41 0} {2 42 0} {2 43 0} {2 44 0} {2 45 0} {2 46 0} {2 47 0} {2 48 0} {2 49 0} {2 50 0} {2 51 0} {2 52 0} {2 53 0} {2 54 0} {2 55 0} {2 56 0} {2 57 0} {2 58 0} {2 59 0} {2

elfReadModuleCoverPoints

Using AI Code Generation

1import "github.com/accuknox/elfreader"2func main(){3    elfreader.Init("path of elf file")4    elfreader.elfReadModuleCoverPoints()5}6import "github.com/accuknox/elfreader"7func main(){8    elfreader.Init("path of elf file")9    elfreader.elfReadModuleCoverPoints()10}11import "github.com/accuknox/elfreader"12func main(){13    elfreader.Init("path of elf file")14    elfreader.elfReadModuleCoverPoints()15}16import "github.com/accuknox/elfreader"17func main(){18    elfreader.Init("path of elf file")19    elfreader.elfReadModuleCoverPoints()20}21import "github.com/accuknox/elfreader"22func main(){23    elfreader.Init("path of elf file")24    elfreader.elfReadModuleCoverPoints()25}26import "github.com/accuknox/elfreader"27func main(){28    elfreader.Init("path of elf file")29    elfreader.elfReadModuleCoverPoints()30}31import "github.com/accuknox/elfreader"32func main(){33    elfreader.Init("path of elf file")34    elfreader.elfReadModuleCoverPoints()35}36import "github.com/accuknox/elfreader"37func main(){38    elfreader.Init("path of elf file")39    elfreader.elfReadModuleCoverPoints()40}41import "github.com/accuknox/elfreader"42func main(){

elfReadModuleCoverPoints

Using AI Code Generation

1import (2func main() {3	coverPoints := elf.ElfReadModuleCoverPoints("./test/test.so")4	for _, point := range coverPoints {5		fmt.Println(point)6	}7}8import (9func main() {10	coverPoints := elf.ElfReadModuleCoverPoints("./test/test.so")11	for _, point := range coverPoints {12		fmt.Println(point)13	}14}15import (16func main() {17	coverPoints := elf.ElfReadModuleCoverPoints("./test/test.so")18	for _, point := range coverPoints {19		fmt.Println(point)20	}21}22import (23func main() {24	coverPoints := elf.ElfReadModuleCoverPoints("./test/test.so")25	for _, point := range coverPoints {26		fmt.Println(point)27	}28}29import (30func main() {31	coverPoints := elf.ElfReadModuleCoverPoints("./test/test.so")32	for _, point := range coverPoints {33		fmt.Println(point)34	}35}

elfReadModuleCoverPoints

Using AI Code Generation

1import (2func main() {3	elfReadModule.elfReadModuleCoverPoints("C:/Users/Abhishek/Desktop/elfRead/elfReadModule/elfReadModule.go")4}5import (6func elfReadModuleCoverPoints(filePath string) {7	file, err := os.Open(filePath)8	if err != nil {9		fmt.Println(err)10	}11	defer file.Close()12	scanner := bufio.NewScanner(file)13	for scanner.Scan() {14		fmt.Println(scanner.Text())15	}16	if err := scanner.Err(); err != nil {17		fmt.Println(err)18	}19}20import (21func main() {22	elfReadModule.elfReadModuleCoverPoints("C:/Users/Abhishek/Desktop/elfRead/elfReadModule/elfReadModule.go")23}24import (25func elfReadModuleCoverPoints(filePath string) {26	file, err := os.Open(filePath)27	if err != nil {28		fmt.Println(err)29	}30	defer file.Close()31	scanner := bufio.NewScanner(file)32	for scanner.Scan() {33		fmt.Println(scanner.Text())34	}35	if err := scanner.Err(); err != nil {36		fmt.Println(err)37	}38}39import (40func main() {41	elfReadModule.elfReadModuleCoverPoints("C:/Users/Abhishek/Desktop/elfRead/elfReadModule/elfReadModule.go")42}43import (44func elfReadModuleCoverPoints(filePath string) {

elfReadModuleCoverPoints

Using AI Code Generation

1import (2func main() {3	if len(os.Args) < 3 {4		fmt.Println("Usage: ", os.Args[0], "elf_file_name database_name")5		os.Exit(1)6	}7	backend := elfparser.NewBackend()8	backend.ElfReadModuleCoverPoints(elfFileName, databaseName)9}10import (11type Backend struct {12}13func NewBackend() *Backend {14	return &Backend{}15}16func (b *Backend) ElfReadModuleCoverPoints(elfFileName string, databaseName string) {17	elfFile, err := os.Open(elfFileName)18	if err != nil {19		fmt.Println("Error: ", err)20		os.Exit(1)21	}22	defer elfFile.Close()23	database, err := sql.Open("sqlite3", databaseName)24	if err != nil {25		fmt.Println("Error: ", err)26		os.Exit(1)27	}28	defer database.Close()29	scanner := bufio.NewScanner(elfFile)

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.