How to use machoReadTextData method of backend Package

Best Syzkaller code snippet using backend.machoReadTextData

mach-o.go

Source:mach-o.go

...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")30	if text == nil {31		return nil, fmt.Errorf("no __text section in the object file")32	}33	if file.Symtab == nil {34		return nil, fmt.Errorf("failed to read Mach-O symbols")35	}36	info.textAddr = text.Addr37	// We don't get symbol lengths or symbol ends in Mach-O symbols. So we38	// guesstimate them by taking the next symbols beginning -1. That only39	// works after we have sorted them.40	sort.Slice(file.Symtab.Syms, func(i, j int) bool {41		return file.Symtab.Syms[i].Value < file.Symtab.Syms[j].Value42	})43	var symbols []*Symbol44	for i, symb := range file.Symtab.Syms {45		// Mach-Os doesn't contain the Symbol size like in ELF46		symbEnd := text.Addr + text.Size47		if i < len(file.Symtab.Syms)-1 {48			symbEnd = file.Symtab.Syms[i+1].Value49		}50		text := symb.Value >= text.Addr && symbEnd <= text.Addr+text.Size51		if text {52			symbStart := symb.Value + module.Addr53			symbols = append(symbols, &Symbol{54				Module: module,55				ObjectUnit: ObjectUnit{56					Name: symb.Name,57				},58				Start: symbStart,59				End:   symbEnd,60			})61		}62		if strings.HasPrefix(symb.Name, "___sanitizer_cov_trace_") {63			if symb.Name == "___sanitizer_cov_trace_pc_guard" {64				info.tracePCIdx[i] = true65				if text {66					info.tracePC = symb.Value67				}68			} else {69				info.traceCmpIdx[i] = true70				if text {71					info.traceCmp[symb.Value] = true72				}73			}74		}75	}76	return symbols, nil77}78func machoReadTextRanges(module *Module) ([]pcRange, []*CompileUnit, error) {79	dir, kernel := filepath.Split(module.Path)80	dSYMPath := filepath.Join(dir, fmt.Sprintf(81		"%[1]s.dSYM/Contents/Resources/DWARF/%[1]s", kernel))82	dSYM, err := macho.Open(dSYMPath)83	if err != nil {84		return nil, nil, err85	}86	debugInfo, err := dSYM.DWARF()87	if err != nil {88		return nil, nil, fmt.Errorf("failed to parse DWARF: %v", err)89	}90	return readTextRanges(debugInfo, module, nil)91}92func machoReadTextData(module *Module) ([]byte, error) {93	file, err := macho.Open(module.Path)94	if err != nil {95		return nil, err96	}97	text := file.Section("__text")98	if text == nil {99		return nil, fmt.Errorf("no __text section in the object file")100	}101	return text.Data()102}103func machoReadModuleCoverPoints(target *targets.Target, module *Module, info *symbolInfo) ([2][]uint64, error) {104	// TODO: Linux/ELF supports module symbols. We should probably also do that105	// for XNU/Mach-O. To maximize code re-use we already have a lot of the106	// plumbing for module support. I think we mainly miss an equivalent to...

machoReadTextData

Using AI Code Generation

1import (2func main() {3    machoFile, err := macho.Open("test")4    if err != nil {5        fmt.Println(err)6        os.Exit(1)7    }8    defer machoFile.Close()9    text, err := machoFile.Text()10    if err != nil {11        fmt.Println(err)12        os.Exit(1)13    }14    fmt.Printf("%s", string(text))15}16import (17func main() {18    machoFile, err := macho.Open("test")19    if err != nil {20        fmt.Println(err)21        os.Exit(1)22    }23    defer machoFile.Close()24    text, err := machoFile.Text()25    if err != nil {26        fmt.Println(err)27        os.Exit(1)28    }29    fmt.Printf("%s", string(text))30}31import (32func main() {33    machoFile, err := macho.Open("test")34    if err != nil {35        fmt.Println(err)36        os.Exit(1)37    }38    defer machoFile.Close()39    text, err := machoFile.Text()40    if err != nil {41        fmt.Println(err)42        os.Exit(1)43    }44    fmt.Printf("%s", string(text))45}46import (47func main() {48    machoFile, err := macho.Open("test")49    if err != nil {50        fmt.Println(err)51        os.Exit(1)52    }53    defer machoFile.Close()54    text, err := machoFile.Text()55    if err != nil {56        fmt.Println(err)

machoReadTextData

Using AI Code Generation

1import (2func main() {3}4import (5type Backend struct {6}7func NewBackend() *Backend {8	return &Backend{}9}10func (b *Backend) MachoReadTextData(path string) ([]byte, error) {11	f, err := os.Open(path)12	if err != nil {13	}14	defer f.Close()15}16import (17func main() {18}19import (20type Backend struct {21}22func NewBackend() *Backend {23	return &Backend{}24}25func (b *Backend) MachoReadTextData(path string) ([]byte, error) {26	f, err := os.Open(path)27	if err != nil {28	}29	defer f.Close()30}31I'm trying to use a backend class in my code, I want to use this backend class in all the packages in my project. I want to do this in a way that I don't need to import the backend class in every package. I want to do this in a way that I can use the backend class in all the packages in my project. Is there a way to do this?

machoReadTextData

Using AI Code Generation

1import (2func main() {3	file, err := os.Open("test")4	if err != nil {5		fmt.Println(err)6	}7	defer file.Close()8	backend, err := NewBackend(file)9	if err != nil {10		fmt.Println(err)11	}12	textData, err := backend.machoReadTextData()13	if err != nil {14		fmt.Println(err)15	}16	fmt.Printf("%s", textData)17}18import (19func main() {20	file, err := os.Open("test")21	if err != nil {22		fmt.Println(err)23	}24	defer file.Close()25	backend, err := NewBackend(file)26	if err != nil {27		fmt.Println(err)28	}29	data, err := backend.machoReadData()30	if err != nil {31		fmt.Println(err)32	}33	fmt.Printf("%s", data)34}35import (36func main() {37	file, err := os.Open("test")38	if err != nil {39		fmt.Println(err)40	}41	defer file.Close()42	backend, err := NewBackend(file)43	if err != nil {44		fmt.Println(err)45	}46	data, err := backend.machoReadData()47	if err != nil {48		fmt.Println(err)49	}50	fmt.Printf("%s", data)51}

machoReadTextData

Using AI Code Generation

1func main() {2    f, err := os.Open(fname)3    if err != nil {4        log.Fatal(err)5    }6    defer f.Close()7    mf, err := macho.NewFile(f)8    if err != nil {9        log.Fatal(err)10    }11    data, err := machoReadTextData(mf)12    if err != nil {13        log.Fatal(err)14    }15    fmt.Printf("%s", data)16}17func machoReadTextData(mf *macho.File) ([]byte, error) {18    text, err := mf.Section("__text")19    if err != nil {20    }21    data, err := text.Data()22    if err != nil {23    }24}

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