bfd/

bfd/
	* elf-nacl.c (segment_nonexecutable_and_has_contents): Renamed to ...
	(segment_eligible_for_headers): ... this.  Take new arguments
	MAXPAGESIZE and SIZEOF_HEADERS.  Return false if the first section's
	start address doesn't leave space for the headers.
	(nacl_modify_segment_map): Update caller.