How to use buildSymbols method of backend Package

Best Syzkaller code snippet using backend.buildSymbols

dwarf.go

Source:dwarf.go

...147		sort.Slice(allCoverPoints[k], func(i, j int) bool {148			return allCoverPoints[k][i] < allCoverPoints[k][j]149		})150	}151	allSymbols = buildSymbols(allSymbols, allRanges, allCoverPoints)152	nunit := 0153	for _, unit := range allUnits {154		if len(unit.PCs) == 0 {155			continue // drop the unit156		}157		// TODO: objDir won't work for out-of-tree modules.158		unit.Name, unit.Path = cleanPath(unit.Name, objDir, srcDir, buildDir)159		allUnits[nunit] = unit160		nunit++161	}162	allUnits = allUnits[:nunit]163	if len(allSymbols) == 0 || len(allUnits) == 0 {164		return nil, fmt.Errorf("failed to parse DWARF (set CONFIG_DEBUG_INFO=y on linux)")165	}166	if target.OS == targets.FreeBSD {167		// On FreeBSD .text address in ELF is 0, but .text is actually mapped at 0xffffffff.168		pcBase = ^uint64(0)169	}170	impl := &Impl{171		Units:   allUnits,172		Symbols: allSymbols,173		Symbolize: func(pcs map[*Module][]uint64) ([]Frame, error) {174			return symbolize(target, objDir, srcDir, buildDir, pcs)175		},176		RestorePC: func(pc uint32) uint64 {177			return PreviousInstructionPC(target, RestorePC(pc, uint32(pcBase>>32)))178		},179	}180	return impl, nil181}182func buildSymbols(symbols []*Symbol, ranges []pcRange, coverPoints [2][]uint64) []*Symbol {183	// Assign coverage point PCs to symbols.184	// Both symbols and coverage points are sorted, so we do it one pass over both.185	selectPCs := func(u *ObjectUnit, typ int) *[]uint64 {186		return [2]*[]uint64{&u.PCs, &u.CMPs}[typ]187	}188	for pcType := range coverPoints {189		pcs := coverPoints[pcType]190		var curSymbol *Symbol191		firstSymbolPC, symbolIdx := -1, 0192		for i := 0; i < len(pcs); i++ {193			pc := pcs[i]194			for ; symbolIdx < len(symbols) && pc >= symbols[symbolIdx].End; symbolIdx++ {195			}196			var symb *Symbol...

buildSymbols

Using AI Code Generation

1import (2func main() {3    if err != nil {4        fmt.Println("Failed to connect to the Ethereum client: %v", err)5    }6    auth, err := bind.NewTransactor(strings.NewReader(key), "password")7    if err != nil {8        fmt.Println("Failed to create authorized transactor: %v", err)9    }

buildSymbols

Using AI Code Generation

1import (2func main() {3    backend := vm.NewEVMBlockContext(&types.BlockContext{4        Origin:      common.Address{},5        Coinbase:    common.Address{},6        BlockNumber: big.NewInt(0),7        Time:        big.NewInt(0),8        Difficulty:  big.NewInt(0),9        GasLimit:    big.NewInt(0),10        Value:       big.NewInt(0),11    }, &types.Header{}, nil, nil, params.TestChainConfig, nil)12    evm := vm.NewEVM(backend, vm.Acco

buildSymbols

Using AI Code Generation

1import (2func main() {3	f, err := os.Open("test.txt")4	if err != nil {5		fmt.Println("Error opening file")6	}7	defer f.Close()8	scanner := bufio.NewScanner(f)9	scanner.Split(bufio.ScanLines)10	for scanner.Scan() {11		lines = append(lines, scanner.Text())12	}13	for _, line := range lines {14		if strings.Contains(line, "SYMBOL") {15			symbol = regexp.MustCompile(`SYMBOL\((.*?)\)`).FindStringSubmatch(line)[1]16			symbols = append(symbols, symbol)17		}18	}19	for _, symbol := range symbols {20		fmt.Println(symbol)21	}22}23SYMBOL(ABC)24SYMBOL(XYZ)25SYMBOL(DEF)26SYMBOL(PQR)27SYMBOL(MNO)

buildSymbols

Using AI Code Generation

1import (2func main() {3	fmt.Println("Hello, playground")4	backend := vm.NewEVMBlockContext(nil, nil, nil, nil, nil, nil, nil)5	fmt.Println(backend.BuildSymbols())6}7import (8func main() {9	fmt.Println("Hello, playground")10	backend := vm.NewEVMBlockContext(nil, nil, nil, nil, nil, nil, nil)11	fmt.Println(backend.BuildSymbols())12}13import (14func main() {15	fmt.Println("Hello, playground")16	backend := vm.NewEVMBlockContext(nil, nil, nil, nil, nil, nil, nil)17	fmt.Println(backend.BuildSymbols())18}19import (20func main() {21	fmt.Println("Hello, playground")22	backend := vm.NewEVMBlockContext(nil, nil, nil, nil, nil, nil, nil)23	fmt.Println(backend.BuildSymbols())24}25import (26func main() {27	fmt.Println("Hello, playground")28	backend := vm.NewEVMBlockContext(nil, nil, nil, nil, nil, nil, nil)29	fmt.Println(backend.BuildSymbols())30}31import (32func main() {33	fmt.Println("Hello, playground")34	backend := vm.NewEVMBlockContext(nil, nil, nil, nil, nil, nil, nil)35	fmt.Println(backend.BuildSymbols())36}37import (

buildSymbols

Using AI Code Generation

1import java.io.*;2import java.util.*;3public class Backend {4    public static void main(String args[]) {5        try {6            String input = args[0];7            String output = args[1];8            File file = new File(input);9            Scanner scanner = new Scanner(file);10            String line = "";11            String[] tokens;12            String[] symbols;13            String[] literals;14            String[] instructions;15            String[] data;16            String[] code;17            String[] codeLines;18            String[] dataLines;19            int i = 0;20            int j = 0;21            while (scanner.hasNextLine()) {22                line = line + scanner.nextLine() + "23";24            }25            tokens = line.split("26");27            symbols = new String[tokens.length];28            literals = new String[tokens.length];29            instructions = new String[tokens.length];30            data = new String[tokens.length];31            code = new String[tokens.length];32            for (i = 0; i < tokens.length; i++) {33                if (tokens[i].contains("DATA")) {34                    data[j] = tokens[i];35                    j++;36                } else if (tokens[i].contains("CODE")) {37                    code[j] = tokens[i];38                    j++;39                }40            }41            dataLines = data[0].split(" ");42            codeLines = code[0].split(" ");43            for (i = 0; i < dataLines.length; i++) {44                System.out.println(dataLines[i]);45            }46            for (i = 0; i < codeLines.length; i++) {47                System.out.println(codeLines[i]);48            }49        } catch (Exception e) {50            System.out.println(e);51        }52    }53}54import java.io.*;55import java.util.*;56public class Backend {57    public static void main(String args[]) {58        try {59            String input = args[0];60            String output = args[1];61            File file = new File(input);62            Scanner scanner = new Scanner(file);63            String line = "";64            String[] tokens;65            String[] symbols;66            String[] literals;67            String[] instructions;68            String[] data;69            String[] code;70            String[] codeLines;71            String[] dataLines;72            int i = 0;73            int j = 0;74            while (scanner

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