mp := acquirem()
	span.ensureSwept()

	offset := uintptr(p) - span.base()
	kind := s.kind

	lock(&span.speciallock)

	// Find splice point, check for existing record.
	iter, exists := span.specialFindSplicePoint(offset, kind)
	if !exists {
		// Splice in record, fill in offset.
		s.offset = uint16(offset)
		s.next = *iter
		*iter = s
		spanHasSpecials(span)
	}

	{56, "EISCONN", "socket is already connected"},
	{57, "ENOTCONN", "socket is not connected"},
	{58, "ESHUTDOWN", "can't send after socket shutdown"},
	{59, "ETOOMANYREFS", "too many references: can't splice"},
	{60, "ETIMEDOUT", "connection timed out"},
	{61, "ECONNREFUSED", "connection refused"},
	{62, "ELOOP", "too many levels of symbolic links"},
	{63, "ENAMETOOLONG", "file name too long"},

	{56, "EISCONN", "socket is already connected"},
	{57, "ENOTCONN", "socket is not connected"},
	{58, "ESHUTDOWN", "can't send after socket shutdown"},
	{59, "ETOOMANYREFS", "too many references: can't splice"},
	{60, "ETIMEDOUT", "connection timed out"},
	{61, "ECONNREFUSED", "connection refused"},
	{62, "ELOOP", "too many levels of symbolic links"},
	{63, "ENAMETOOLONG", "file name too long"},

	{56, "EISCONN", "socket is already connected"},
	{57, "ENOTCONN", "socket is not connected"},
	{58, "ESHUTDOWN", "can't send after socket shutdown"},
	{59, "ETOOMANYREFS", "too many references: can't splice"},
	{60, "ETIMEDOUT", "connection timed out"},
	{61, "ECONNREFUSED", "connection refused"},
	{62, "ELOOP", "too many levels of symbolic links"},
	{63, "ENAMETOOLONG", "file name too long"},

	{56, "EISCONN", "socket is already connected"},
	{57, "ENOTCONN", "socket is not connected"},
	{58, "ESHUTDOWN", "can't send after socket shutdown"},
	{59, "ETOOMANYREFS", "too many references: can't splice"},
	{60, "ETIMEDOUT", "operation timed out"},
	{61, "ECONNREFUSED", "connection refused"},
	{62, "ELOOP", "too many levels of symbolic links"},
	{63, "ENAMETOOLONG", "file name too long"},

	{56, "EISCONN", "socket is already connected"},
	{57, "ENOTCONN", "socket is not connected"},
	{58, "ESHUTDOWN", "can't send after socket shutdown"},
	{59, "ETOOMANYREFS", "too many references: can't splice"},
	{60, "ETIMEDOUT", "operation timed out"},
	{61, "ECONNREFUSED", "connection refused"},
	{62, "ELOOP", "too many levels of symbolic links"},
	{63, "ENAMETOOLONG", "file name too long"},

	{56, "EISCONN", "socket is already connected"},
	{57, "ENOTCONN", "socket is not connected"},
	{58, "ESHUTDOWN", "can't send after socket shutdown"},
	{59, "ETOOMANYREFS", "too many references: can't splice"},
	{60, "ETIMEDOUT", "operation timed out"},
	{61, "ECONNREFUSED", "connection refused"},
	{62, "ELOOP", "too many levels of symbolic links"},
	{63, "ENAMETOOLONG", "file name too long"},

	{56, "EISCONN", "socket is already connected"},
	{57, "ENOTCONN", "socket is not connected"},
	{58, "ESHUTDOWN", "can't send after socket shutdown"},
	{59, "ETOOMANYREFS", "too many references: can't splice"},
	{60, "ETIMEDOUT", "operation timed out"},
	{61, "ECONNREFUSED", "connection refused"},
	{62, "ELOOP", "too many levels of symbolic links"},
	{63, "ENAMETOOLONG", "file name too long"},

	// JoinPath joins the sequence of path fragments into a single path.
	// If JoinPath is nil, Import uses filepath.Join.
	JoinPath func(elem ...string) string

	// SplitPathList splits the path list into a slice of individual paths.
	// If SplitPathList is nil, Import uses filepath.SplitList.
	SplitPathList func(list string) []string

	// IsAbsPath reports whether path is an absolute path.

	{112, "ENOATTR", "no attribute found"},
	{113, "ESAD", "security Authentication Denied"},
	{114, "ENOTRUST", "not a Trusted Program"},
	{115, "ETOOMANYREFS", "too many references: can't splice"},
	{116, "EILSEQ", "invalid wide character"},
	{117, "ECANCELED", "asynchronous I/O cancelled"},
	{118, "ENOSR", "out of STREAMS resources"},
	{119, "ETIME", "system call timed out"},