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How to use assignSyscallNumbers method of compiler Package

Best Syzkaller code snippet using compiler.assignSyscallNumbers

compiler.go

Source:compiler.go

...19//    This step also does verification of include/incdir/define AST nodes.20// 3. User translates constants to values.21// 4. Compile on AST and const values does the rest of the work and returns Prog22//    containing generated prog objects.23// 4.1. assignSyscallNumbers: uses consts to assign syscall numbers.24//      This step also detects unsupported syscalls and discards no longer25//      needed AST nodes (inlcude, define, comments, etc).26// 4.2. patchConsts: patches Int nodes refering to consts with corresponding values.27//      Also detects unsupported syscalls, structs, resources due to missing consts.28// 4.3. check: does extensive semantical checks of AST.29// 4.4. gen: generates prog objects from AST.30// Prog is description compilation result.31type Prog struct {32	Resources   []*prog.ResourceDesc33	Syscalls    []*prog.Syscall34	StructDescs []*prog.KeyedStruct35	// Set of unsupported syscalls/flags.36	Unsupported map[string]bool37}38// Compile compiles sys description.39func Compile(desc *ast.Description, consts map[string]uint64, target *targets.Target, eh ast.ErrorHandler) *Prog {40	if eh == nil {41		eh = ast.LoggingHandler42	}43	comp := &compiler{44		desc:         ast.Clone(desc),45		target:       target,46		eh:           eh,47		ptrSize:      target.PtrSize,48		unsupported:  make(map[string]bool),49		resources:    make(map[string]*ast.Resource),50		structs:      make(map[string]*ast.Struct),51		intFlags:     make(map[string]*ast.IntFlags),52		strFlags:     make(map[string]*ast.StrFlags),53		used:         make(map[string]bool),54		structDescs:  make(map[prog.StructKey]*prog.StructDesc),55		structNodes:  make(map[*prog.StructDesc]*ast.Struct),56		structVarlen: make(map[string]bool),57	}58	comp.assignSyscallNumbers(consts)59	comp.patchConsts(consts)60	comp.check()61	if comp.errors != 0 {62		return nil63	}64	for _, w := range comp.warnings {65		eh(w.pos, w.msg)66	}67	syscalls := comp.genSyscalls()68	return &Prog{69		Resources:   comp.genResources(),70		Syscalls:    syscalls,71		StructDescs: comp.genStructDescs(syscalls),72		Unsupported: comp.unsupported,...

assignSyscallNumbers

Using AI Code Generation

1import (2func main() {3	f, err := parser.ParseFile(fset, "2.go", nil, parser.ParseComments)4	if err != nil {5		log.Fatal(err)6	}7	fmt.Println("Imports:")8	for _, s := range f.Imports {

assignSyscallNumbers

Using AI Code Generation

1import (2func main() {3	f, err := parser.ParseFile(fset, "2.go", nil, 0)4	if err != nil {5		log.Fatal(err)6	}7	ast.Inspect(f, func(node ast.Node) bool {8		switch x := node.(type) {9			if x.Name.Name == "main" {10				fmt.Println("found main")11				fmt.Println(x.Body.List[0])12			}

assignSyscallNumbers

Using AI Code Generation

1import (2func main() {3	fset := token.NewFileSet()4	f, err := parser.ParseFile(fset, "1.go", nil, parser.ParseComments)5	if err != nil {6		fmt.Println(err)7	}8	ast.Print(fset, f)9}10import (11func main() {12	fset := token.NewFileSet()13	f, err := parser.ParseFile(fset, "1.go", nil, parser.ParseComments)14	if err != nil {15		fmt.Println(err)16	}17	ast.Print(fset, f)18}19import (20func main() {21	fset := token.NewFileSet()22	f, err := parser.ParseFile(fset, "1.go", nil, parser.ParseComments)23	if err != nil {24		fmt.Println(err)25	}26	ast.Print(fset, f)27}28import (29func main() {30	fset := token.NewFileSet()31	f, err := parser.ParseFile(fset, "1.go", nil, parser.ParseComments)32	if err != nil {33		fmt.Println(err)34	}35	ast.Print(fset, f)36}37import (38func main() {39	fset := token.NewFileSet()40	f, err := parser.ParseFile(fset, "1.go", nil, parser.ParseComments)41	if err != nil {42		fmt.Println(err)43	}44	ast.Print(fset, f)45}46import

assignSyscallNumbers

Using AI Code Generation

1import (2func main() {3	fset := token.NewFileSet()4	f, err := parser.ParseFile(fset, "1.go", nil, parser.AllErrors)5	if err != nil {6		fmt.Println(err)7	}8	c.init()9	c.assignSyscallNumbers(f)10}11type compiler struct {12}13func (c *compiler) init() {14}15func (c *compiler) assignSyscallNumbers(f *ast.File) {16}17import (18func main() {19	fset := token.NewFileSet()20	f, err := parser.ParseFile(fset, "1.go", nil, parser.AllErrors)21	if err != nil {22		fmt.Println(err)23	}24	c.init()25	c.assignSyscallNumbers(f)26}27type compiler struct {28}29func (c *compiler) init() {30}31func (c *compiler) assignSyscallNumbers(f *ast.File) {32}33import (34func main() {35	fset := token.NewFileSet()36	f, err := parser.ParseFile(fset, "1.go", nil, parser.AllErrors)37	if err != nil {38		fmt.Println(err)39	}40	c.init()41	c.assignSyscallNumbers(f)42}43type compiler struct {44}45func (c *compiler) init() {46}47func (c

assignSyscallNumbers

Using AI Code Generation

1import (2type compiler struct {3}4func (c *compiler) assignSyscallNumbers() {5	syscallFile, err := os.Open("syscall.txt")6	if err != nil {7		fmt.Println("Error in opening syscall.txt")8	}9	defer syscallFile.Close()10	scanner := bufio.NewScanner(syscallFile)11	for scanner.Scan() {12		line := scanner.Text()13		if strings.HasPrefix(line, "syscall") {14			line = strings.Replace(line, "syscall", "", -1)15			line = strings.TrimSpace(line)16			fmt.Printf("syscall%s = %d17		}18	}19}20func main() {21	c := compiler{}22	c.assignSyscallNumbers()23}

assignSyscallNumbers

Using AI Code Generation

1import (2func main() {3	file, err := os.Open("1.go")4	if err != nil {5		fmt.Println(err)6	}7	defer file.Close()8	scanner := bufio.NewScanner(file)9	for scanner.Scan() {10		lines = append(lines, scanner.Text())11	}12	for i, line := range lines {13		if strings.Contains(line, "func (c *compiler) assignSyscallNumbers() {") {14		}15	}16	newFile, err := os.Create("2.go")17	if err != nil {18		fmt.Println(err)19	}20	defer newFile.Close()21	for i, line := range lines {22		if i == index+1 {23			_, err = newFile.WriteString("24			if err != nil {25				fmt.Println(err)26			}27			_, err = newFile.WriteString("c.syscallNumbers = map[string]int{")28			if err != nil {29				fmt.Println(err)30			}31			for _, syscall := range syscalls {32				_, err = newFile.WriteString("33				if err != nil {34					fmt.Println(err)35				}36				_, err = newFile.WriteString(fmt.Sprintf("%q: %d,", syscall.Name, syscall.Number))37				if err != nil {38					fmt.Println(err)39				}40			}41			_, err = newFile.WriteString("42}")43			if err != nil {44				fmt.Println(err)45			}46			_, err = newFile.WriteString("47			if err != nil {48				fmt.Println(err)49			}50		}51		_, err = newFile.WriteString(line)52		if err != nil {53			fmt.Println(err)54		}55		_, err = newFile.WriteString("56		if err != nil {

assignSyscallNumbers

Using AI Code Generation

1import (2func main() {3    if len(os.Args) < 3 {4        fmt.Println("Usage: go run 2.go <file> <syscall>...")5        os.Exit(1)6    }7    file, err = os.Create(os.Args[1])8    if err != nil {9        fmt.Println("Error: ", err)10        os.Exit(1)11    }12    defer file.Close()13    syscallNumbers = syscall.SyscallNumbers(syscalls)14    if len(syscalls) != len(syscallNumbers) {15        fmt.Println("Error: could not generate syscall numbers")16        os.Exit(1)17    }18    for i, syscallNumber = range syscallNumbers {19        s = syscallName + " = " + strconv.Itoa(syscallNumber) + "20        num, err = file.WriteString(s)21        if err != nil {22            fmt.Println("Error: ", err)23            os.Exit(1)24        }25        if num != len(s) {26            fmt.Println("Error: could not write to file")27            os.Exit(1)28        }29    }30}

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