* Makefile.in (sparc_tdep_h): New.

	* Makefile.in (sparc_tdep_h): New.
	(sparc-linux-nat.o, sparc-nat.o, sparc-tdep.o, sparc64nbsd-nat.o)
	(sparcnbsd-nat.o, sparcnbsd-tdep.o): Depend on $(sparc_tdep_h).
	* sparc-linux-nat.c: Include "sparc-tdep.h".
	* sparc-nat.c: Likewise.
	* sparc-tdep.c: Likewise.
	* sparc64nbsd-nat.c: Likewise.
	* sparcnbsd-nat.c: Likewise.
	* sparcnbsd-tdep.c: Likewise.
	* sparc-tdep.h: New file.
	* config/sparc/tm-sparc.h: Remove prototypes for sparc_y_regnum
	and sparc_npc_regnum.