nCodeSlots    uint32 // number of ordinary (code) hash slots
	codeLimit     uint32 // limit to main image signature range
	hashSize      uint8  // size of each hash in bytes
	hashType      uint8  // type of hash (cdHashType* constants)
	_pad1         uint8  // unused (must be zero)
	pageSize      uint8  // log2(page size in bytes); 0 => infinite
	_pad2         uint32 // unused (must be zero)

	r = Addrel(syms[4])
	r.Sym = syms[0]
	// s5 references s1
	r = Addrel(syms[5])
	r.Sym = syms[1]
	// s6 references s2
	r = Addrel(syms[6])
	r.Sym = syms[2]

	// compute hashes
	h := make([]goobj.HashType, len(syms))
	w := &writer{}
	for i := range h {
		h[i] = w.contentHash(syms[i])
	}

	tests := []struct {
		a, b  int
		equal bool
	}{
		{0, 1, true},  // same contents, no relocs