2011-05-06  Tristan Gingold  <gingold@adacore.com>
	* vms-alpha.c (evax_section_flags): Remove SEC_IN_MEMORY.
	(_bfd_vms_slurp_egsd): Rename old_flags to vms_flags.  Handle
	any code section.  Add comments.
	(alpha_vms_object_p): Use void * instead of PTR.
	(alpha_vms_create_eisd_for_section): Fix test for setting DZRO.
	(build_module_list): Guard against no DST section.  Add comments.
	(alpha_vms_link_output_symbol): Discard undefined symbols.
	(alpha_vms_get_section_contents): Simply memcpy if the section was
	already loaded.  Fix typo.
	(vms_new_section_hook): Use void * instead of PTR.
	(vms_alpha_vec): Ditto.