// or 0 for impossible errors.
func AddMeta(p unsafe.Pointer, dlen uint32, hash [16]byte, pkgpath string, pkgid int, cmode uint8, cgran uint8) uint32 {
	slot := len(Meta.List)
	Meta.List = append(Meta.List, CovMetaBlob{
		P:                  (*byte)(p),
		Len:                dlen,
		Hash:               hash,
		PkgPath:            pkgpath,
		PkgID:              pkgid,
		CounterMode:        cmode,
		CounterGranularity: cgran,
	})

func libfuzzerTraceConstCmp8(uint64, uint64, uint)
func libfuzzerHookStrCmp(string, string, uint)
func libfuzzerHookEqualFold(string, string, uint)

func addCovMeta(p unsafe.Pointer, len uint32, hash [16]byte, pkpath string, pkgId int, cmode uint8, cgran uint8) uint32

// architecture variants
var x86HasPOPCNT bool
var x86HasSSE41 bool
var x86HasFMA bool
var armHasVFPv4 bool
var arm64HasATOMICS bool

}

func (gcToolchain) linker() string {
	return base.Tool("link")
}

func pkgPath(a *Action) string {
	p := a.Package
	ppath := p.ImportPath
	if cfg.BuildBuildmode == "plugin" {
		ppath = pluginPath(a)
	} else if p.Name == "main" && !p.Internal.ForceLibrary {
		ppath = "main"
	}
	return ppath
}

	"encoding/json"
	"fmt"
	"internal/testenv"
	"os"
	"path/filepath"
	"strings"
	"testing"
)

func writeFile(t *testing.T, path string, contents []byte) {
	if err := os.WriteFile(path, contents, 0666); err != nil {
		t.Fatalf("os.WriteFile(%s) failed: %v", path, err)
	}
}

func writePkgConfig(t *testing.T, outdir, tag, ppath, pname string, gran string, mpath string) string {
	incfg := filepath.Join(outdir, tag+"incfg.txt")

		}
		f, fpkgpath := runtimeStructField(field)
		ft := f.Typ
		if ft.Kind_&abi.KindGCProg != 0 {
			hasGCProg = true
		}
		if fpkgpath != "" {
			if pkgpath == "" {
				pkgpath = fpkgpath
			} else if pkgpath != fpkgpath {
				panic("reflect.Struct: fields with different PkgPath " + pkgpath + " and " + fpkgpath)
			}
		}

		// Update string and hash

	for _, imp := range pkg.Imports {
		direct = append(direct, imp.PkgPath)
		dfsImports(&indirect, seen, imp)
	}
	return direct, indirect
}

func dfsImports(dest *[]string, seen map[string]bool, p *packages.Package) {
	for _, p2 := range p.Imports {
		if seen[p2.PkgPath] {
			continue
		}
		seen[p2.PkgPath] = true
		*dest = append(*dest, p2.PkgPath)
		dfsImports(dest, seen, p2)
	}
}

	// Currently filename is formed as packagepath + "/" + basename.
	fnpos := f.fset.Position(fn.Pos())
	ppath := pkgconfig.PkgPath
	filename := ppath + "/" + filepath.Base(fnpos.Filename)

	// The convention for cmd/cover is that if the go command that
	// kicks off coverage specifies a local import path (e.g. "go test
	// -cover ./thispackage"), the tool will capture full pathnames

		pkgPath = filepath.Join(testSrcdir, testWorkspace, pkgPath)
	}

	// If the path is still not absolute, something other than bazel compiled
	// with -trimpath.
	if !filepath.IsAbs(pkgPath) {
		return "", fmt.Errorf("can't construct an absolute path from %q", pkgPath)
	}

	t.Logf("Resolved testserver package path to: %q", pkgPath)

	return pkgPath, nil

		pkgPath = filepath.Join(testSrcdir, testWorkspace, pkgPath)
	}

	// If the path is still not absolute, something other than bazel compiled
	// with -trimpath.
	if !filepath.IsAbs(pkgPath) {
		return "", fmt.Errorf("can't construct an absolute path from %q", pkgPath)
	}

	t.Logf("Resolved testserver package path to: %q", pkgPath)

	return pkgPath, nil

	return pathForCert(pkiPath, name), pathForKey(pkiPath, name)
}

func pathForCert(pkiPath, name string) string {
	return filepath.Join(pkiPath, fmt.Sprintf("%s.crt", name))
}

func pathForKey(pkiPath, name string) string {
	return filepath.Join(pkiPath, fmt.Sprintf("%s.key", name))
}

func pathForPublicKey(pkiPath, name string) string {
	return filepath.Join(pkiPath, fmt.Sprintf("%s.pub", name))
}