How to use covFilterAddRawPCs method of main Package

Best Syzkaller code snippet using main.covFilterAddRawPCs

covfilter.go

Source:covfilter.go

...38	}39	if err := covFilterAddFilter(pcs, mgr.cfg.CovFilter.Files, foreachUnit); err != nil {40		return nil, nil, err41	}42	if err := covFilterAddRawPCs(pcs, mgr.cfg.CovFilter.RawPCs); err != nil {43		return nil, nil, err44	}45	if len(pcs) == 0 {46		return nil, nil, nil47	}48	if !mgr.cfg.SysTarget.ExecutorUsesShmem {49		return nil, nil, fmt.Errorf("coverage filter is only supported for targets that use shmem")50	}51	bitmap := createCoverageBitmap(mgr.cfg.SysTarget, pcs)52	// After finish writing down bitmap file, for accurate filtered coverage,53	// pcs from CMPs should be deleted.54	for _, sym := range rg.Symbols {55		for _, pc := range sym.CMPs {56			delete(pcs, uint32(pc))57		}58	}59	return bitmap, pcs, nil60}61func covFilterAddFilter(pcs map[uint32]uint32, filters []string, foreach func(func(*backend.ObjectUnit))) error {62	res, err := compileRegexps(filters)63	if err != nil {64		return err65	}66	used := make(map[*regexp.Regexp][]string)67	foreach(func(unit *backend.ObjectUnit) {68		for _, re := range res {69			if re.MatchString(unit.Name) {70				// We add both coverage points and comparison interception points71				// because executor filters comparisons as well.72				for _, pc := range unit.PCs {73					pcs[uint32(pc)] = 174				}75				for _, pc := range unit.CMPs {76					pcs[uint32(pc)] = 177				}78				used[re] = append(used[re], unit.Name)79				break80			}81		}82	})83	for _, re := range res {84		sort.Strings(used[re])85		log.Logf(0, "coverage filter: %v: %v", re, used[re])86	}87	if len(res) != len(used) {88		return fmt.Errorf("some filters don't match anything")89	}90	return nil91}92func covFilterAddRawPCs(pcs map[uint32]uint32, rawPCsFiles []string) error {93	re := regexp.MustCompile(`(0x[0-9a-f]+)(?:: (0x[0-9a-f]+))?`)94	for _, f := range rawPCsFiles {95		rawFile, err := os.Open(f)96		if err != nil {97			return fmt.Errorf("failed to open raw PCs file: %v", err)98		}99		defer rawFile.Close()100		s := bufio.NewScanner(rawFile)101		for s.Scan() {102			match := re.FindStringSubmatch(s.Text())103			if match == nil {104				return fmt.Errorf("bad line: %q", s.Text())105			}106			pc, err := strconv.ParseUint(match[1], 0, 64)...

covFilterAddRawPCs

Using AI Code Generation

1import (2func main() {3    cfg := csource.Config{4    }5    target, err := sys.GetTarget("linux", "amd64")6    if err != nil {7        fmt.Fprintf(os.Stderr, "%v8        os.Exit(1)9    }10    rs := csource.NewRandSource(0)11    p := csource.NewProg(target, rs)12    p.Calls = append(p.Calls, &csource.Call{13    })14    fmt.Println(p.SerializeForC(cfg

covFilterAddRawPCs

Using AI Code Generation

1import (2func main() {3	covFilterAddRawPCs()4}5func covFilterAddRawPCs() {6	cmd := exec.Command(binaryPath, "tool", "cover", "-func=coverage.out")7	out, err := cmd.Output()8	if err != nil {9		fmt.Println(err)10	}11	outString := string(out)12	lines := strings.Split(outString, "13	w := bufio.NewWriter(&buf)14	for _, line := range lines {15		if strings.Contains(line, "total:") {16			w.WriteString(line)17			w.WriteString("18		}19	}20	w.Flush()21	s := buf.String()22	lines = strings.Split(s, "23	m := make(map[string]string)24	for _, line := range lines {25		fields := strings.Split(line, "\t")26		if len(fields) > 1 {27			if fileName != "" {28				if _, ok := m[fileName]; !ok {29				}30			}31		}32	}

covFilterAddRawPCs

Using AI Code Generation

1import "C"2import "fmt"3import "unsafe"4func main() {5    fmt.Println("Hello, playground")6    var a = []byte{1,2,3,4,5,6,7,8,9,10}7    var b = []byte{1,2,3,4,5,6,7,8,9,10}8    var c = []byte{1,2,3,4,5,6,7,8,9,10}9    var d = []byte{1,2,3,4,5,6,7,8,9,10}10    var e = []byte{1,2,3,4,5,6,7,8,9,10}11    var f = []byte{1,2,3,4,5,6,7,8,9,10}12    var g = []byte{1,2,3,4,5,6,7,8,9,10}13    var h = []byte{1,2,3,4,5,6,7,8,9,10}14    var i = []byte{1,2,3,4,5,6,7,8,9,10}15    var j = []byte{1,2,3,4,5,6,7,8,9,10}16    var k = []byte{1,2,3,4,5,6,7,8,9,10}17    var l = []byte{1,2,3,4,5,6,7,8,9,10}18    var m = []byte{1,2,3,4,5,6,7,8,9,10}19    var n = []byte{1,2,3,4,5,6,7,8,9,10}20    var o = []byte{1,2,3,4,5,6,7,8,9,10}21    var p = []byte{1,2,3,4,5,6,7,8,9,10}22    var q = []byte{1,2,3,4,5,6,7,8,9,10}23    var r = []byte{1,2,3

covFilterAddRawPCs

Using AI Code Generation

1import (2func main() {3    filter := debug.MakeCovFilter()4    filter.AddRawPCs([]uintptr{0x1234})5    filter.AddRawPCs([]uintptr{0x5678, 0x5679, 0x567a})6    for _, pc := range filter.RawPCs() {7        fmt.Printf("0x%x8    }9    debug.SetCovFilter(filter)10    runtime.Goexit()11}12import (13func main() {14    filter := debug.MakeCovFilter()15    filter.AddFileLinePCs("file.go", 1)16    filter.AddFileLinePCs("file.go", 3, 4)17    for _, pc := range filter.RawPCs() {18        fmt.Printf("0x%x19    }20    debug.SetCovFilter(filter)21    runtime.Goexit()22}23import (24func main() {25    filter := debug.MakeCovFilter()26    filter.AddFuncPCs(main)27    filter.AddFuncPCs(main, main)28    for _, pc := range filter.RawPCs() {29        fmt.Printf("0x%x30    }

covFilterAddRawPCs

Using AI Code Generation

1import (2func main() {3	covFilter := new(CoverageFilter)4	covFilter = covFilter.covFilterNew()5	covFilter.covFilterAddRawPCs(0x400000, 0x400001, 0x400002, 0x400003, 0x400004)6	fmt.Println("PCs added to the coverage filter are: ", covFilter.PCs)7}8import (9func main() {10	covFilter := new(CoverageFilter)11	covFilter = covFilter.covFilterNew()12	covFilter.covFilterAddRawPCs(0x400000, 0x400001, 0x400002, 0x400003, 0x400004)13	fmt.Println("PCs added to the coverage filter are: ", covFilter.PCs)14}15import (16func main() {17	covFilter := new(CoverageFilter)18	covFilter = covFilter.covFilterNew()19	covFilter.covFilterAddRawPCs(0x400000, 0x400001, 0x400002, 0x400003, 0x400004)20	fmt.Println("PCs added to the coverage filter are: ", covFilter.PCs)21}

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