* elf-bfd.h (elf_backend_data <elf_backend_section_from_bfd_section>):
Remove "Elf_Internal_Shdr *" param.
(_bfd_mips_elf_section_from_bfd_section): Ditto.
* elf32-mips.c (_bfd_mips_elf_section_from_bfd_section): Ditto.
* elf32-m32r.c (_bfd_m32r_elf_section_from_bfd_section): Ditto.
* elf32-v850.c (v850_elf_section_from_bfd_section): Ditto.
* elf64-mmix.c (mmix_elf_section_from_bfd_section): Ditto.
* elfxx-ia64.c (elfNN_hpux_backend_section_from_bfd_section): Ditto.
* elf.c (_bfd_elf_section_from_bfd_section): Allow backend
function to override special sections. Remove hdr arg from
backend call, and don't loop.