* readelf.c (get_machine_flags): Add support for E_FLAG_RX_ABI.
(guess_is_rela): Add EM_V800.
(dump_relocations): Likewise.
(get_machine_name): Update EM_V800.
(get_machine_flags): Add support for RH850 ABI flags.
(is_32bit_abs_reloc): Add support for RH850 ABI reloc.
* config/tc-v850.c (v850_target_arch): New.
(v850_target_format): New.
(set_machine): Use v850_target_arch.
(md_begin): Likewise.
(md_show_usage): Document new switches.
(md_parse_option): Add -mgcc-abi, -mrh850-abi, -m8byte-align and
-m4byte-align.
* config/tc-v850.c (TARGET_ARCH) Use v850_target_arch.
(TARGET_FORMAT): Use v850_target_format.
* doc/c-v850.texi: Document new options.
* v850.h: Add RH850 ABI values.
* Makefile.am: (ALL_EMULATION_SOURCES): Add ev850_rh850.c.
* Makefile.in: Regenerate.
* configure.tgt (v850*-*-*): Make v850_rh850 the default
emulation. Add vanilla v850 as an extra emulation.
* emulparams/v850_rh850.sh: New file.
* scripttempl/v850_rh850.sc: New file.