"time"
	"unicode/utf8"
)

type InvalidReason int

const (
	// NotAuthorizedToSign results when a certificate is signed by another
	// which isn't marked as a CA certificate.
	NotAuthorizedToSign InvalidReason = iota
	// Expired results when a certificate has expired, based on the time
	// given in the VerifyOptions.
	Expired
	// CANotAuthorizedForThisName results when an intermediate or root

// as to avoid inserting them into the linker's name lookup tables.
const StaticNamePref = ".stmp_"

type traverseFlag uint32

const (
	traverseDefs traverseFlag = 1 << iota
	traverseRefs
	traverseAux
	traversePcdata

	traverseAll = traverseDefs | traverseRefs | traverseAux | traversePcdata
)

// Traverse symbols based on flag, call fn for each symbol.

// amount of detail printed to stderr. Higher values include more detail.
type throwType uint32

const (
	// throwTypeNone means that we are not throwing.
	throwTypeNone throwType = iota

	// throwTypeUser is a throw due to a problem with the application.
	//
	// These throws do not include runtime frames, system goroutines, or
	// frame metadata.
	throwTypeUser

	pc   uintptr
	fn   *byte
	file *byte
	line uintptr
	off  uintptr
	res  uintptr
}

var qq = [...]byte{'?', '?', 0}
var dash = [...]byte{'-', 0}

const (
	raceGetProcCmd = iota
	raceSymbolizeCodeCmd
	raceSymbolizeDataCmd
)

// Callback from C into Go, runs on g0.
func racecallback(cmd uintptr, ctx unsafe.Pointer) {
	switch cmd {
	case raceGetProcCmd:

		}
	}
	return score
}

// NodeOrder sets the ordering for a Sort operation
type NodeOrder int

// Sorting options for node sort.
const (
	FlatNameOrder NodeOrder = iota
	FlatCumNameOrder
	CumNameOrder
	NameOrder
	FileOrder
	AddressOrder
	EntropyOrder
)

// Sort returns a slice of the edges in the map, in a consistent

type color uint32

// An object may be painted in one of three colors.
// Color values other than white or black are considered grey.
const (
	white color = iota
	black
	grey // must be > white and black
)

func (c color) String() string {
	switch c {
	case white:
		return "white"
	case black:
		return "black"
	default:
		return "grey"
	}

// mostly duplicating state that is manipulated under lock in pollDesc.
// The one exception is the pollEventErr bit, which is maintained only
// in the pollInfo.
type pollInfo uint32

const (
	pollClosing = 1 << iota
	pollEventErr
	pollExpiredReadDeadline
	pollExpiredWriteDeadline
	pollFDSeq // 20 bit field, low 20 bits of fdseq field
)

const (
	pollFDSeqBits = 20                   // number of bits in pollFDSeq

//	varkill - killed by the instruction (set)
//
// A kill happens after the use (for an instruction that updates a value, for example).
type liveEffect int

const (
	uevar liveEffect = 1 << iota
	varkill
)

// valueEffects returns the index of a variable in lv.vars and the
// liveness effects v has on that variable.
// If v does not affect any tracked variables, it returns -1, 0.

	case hash == crypto.SHA512: // Ed25519ph
		if l := len(message); l != sha512.Size {
			return nil, errors.New("ed25519: bad Ed25519ph message hash length: " + strconv.Itoa(l))
		}
		if l := len(context); l > 255 {
			return nil, errors.New("ed25519: bad Ed25519ph context length: " + strconv.Itoa(l))
		}
		signature := make([]byte, SignatureSize)
		sign(signature, priv, message, domPrefixPh, context)
		return signature, nil

}

// fuzzContext holds fields common to all fuzz tests.
type fuzzContext struct {
	deps testDeps
	mode fuzzMode
}

type fuzzMode uint8

const (
	seedCorpusOnly fuzzMode = iota
	fuzzCoordinator
	fuzzWorker
)

// runFuzzTests runs the fuzz tests matching the pattern for -run. This will
// only run the (*F).Fuzz function for each seed corpus without using the