* Makefile.in (ALLDEPFILES): Add amd64-sol2-tdep.c.

	* Makefile.in (ALLDEPFILES): Add amd64-sol2-tdep.c.
	(amd64-sol2-tdep.o): Add dependencies.
	* amd64-sol2-tdep.c, config/i386/sol2-64.mh,
	config/i386/sol2-64.mt: New files.
	* i386-sol2-nat.c (amd64_sol2_gregset64_reg_offset,
	amd64_sol2_gregset32_reg_offset, _initialize_amd64_sol2_nat): New.
	(supply_gregset): Correct order of arguments to
	amd64_supply_native_gregset.
	(fill_gregset): Correct order of arguments to
	amd64_collect_native_gregset.
	* configure.host (i[34567]86-*-solaris2.1[0-9]*): Add new case.
	* configure.tgt (i[34567]86-*-solaris2.1[0-9]*): Likewise.
	* configure.in (*-*-solaris2.[[6789]]): Add *-*-solaris2.1[[0-9]]
	for definition of NEW_PROC_API.
	* configure: Regenerate.