Individual processor configurations for sh-elf / sh-linux:

Individual processor configurations for sh-elf / sh-linux:

gcc:
	* config.gcc: Add support for sh[234]*-*-elf*, sh[2346lbe]*-*-linux*.
	* config/sh/linux.h (TARGET_DEFAULT): Use TARGET_CPU_DEFAULT.
	* sh.h (SELECT_SH1, SELECT_SH2, SELECT_SH3, SELECT_SH3E): New macros.
	(SELECT_SH4_NOFPU, SELECT_SH4_SINGLE_ONLY, SELECT_SH4): Likewise.
	(SELECT_SH4_SINGLE, SELECT_SH5_64, SELECT_SH5_64_NOFPU): Likewise.
	(SELECT_SH5_32, SELECT_SH5_32_NOFPU, SELECT_SH5_COMPACT): Likewise.
	(SELECT_SH5_COMPACT_NOFPU): Likewise.
	(TARGET_SWITCHES): Use them.
	(TARGET_CPU_DEFAULT): Define if not already defined.
	(TARGET_DEFAULT): Use it.
	(LINK_DEFAULT_CPU_EMUL): Value now depends on TARGET_CPU_DEFAULT.
	* config/sh/t-linux (MULTILIB_OPTIONS): Use MULTILIB_ENDIAN.
	* config/sh/t-monolib: New file.

bfd:
	config.bfd: Add support for sh[1234]l*-*-elf* | sh3el*-*-elf*,
	sh[1234]*-elf*.

ld:
	* configure.tgt: Add support for sh[1234]*le*-*-elf, sh[1234]*-*-elf.

Still outstanding:
	config.sub:
		* config.sub: Add support for sh[12], sh3e, sh[1234]le, sh3ele,
		shle, sh[1234]le, sh3ele, sh64le.