* gdbarch.sh (stab_reg_to_regnum, dwarf_reg_to_regnum)

	* gdbarch.sh (stab_reg_to_regnum, dwarf_reg_to_regnum)
	( dwarf2_reg_to_regnum, sdb_reg_to_regnum, ecoff_reg_to_regnum): Add
	gdbarch as parameter.
	* gdbarch.{c,h}: Regenerate.

	* xtensa-tdep.c (xtensa_reg_to_regnum): Add gdbarch as parameter.
	Replace current_gdbarch by gdbarch.
	* s390-tdep.c (s390_dwarf_reg_to_regnum): Likewise.
	* rs6000-tdep.c (rs6000_stab_reg_to_regnum)
	(rs6000_dwarf2_reg_to_regnum): Likewise.
	* mips-tdep.c (mips_stab_reg_to_regnum)
	(mips_dwarf_dwarf2_ecoff_reg_to_regnum): Likewise.
	* mep-tdep.c (mep_debug_reg_to_regnum): Likewise.
	* m32c-tdep.c (m32c_debug_info_reg_to_regnum): Likewise.
	* i386-tdep.c (i386_dbx_reg_to_regnum)
	(i386_svr4_reg_to_regnum): Likewise
	* h8300-tdep.c (h8300s_dbg_reg_to_regnum)
	(h8300_dbg_reg_to_regnum): Likewise.
	* amd64-tdep.c (amd64_dwarf_reg_to_regnum): Likewise.
	* arch-utils.c (no_op_reg_to_regnum): Likewise.
	* arch-utils.h (no_op_reg_to_regnum): Likewise.
	* arm-tdep.c (arm_dwarf_reg_to_regnum): Likewise.
	* cris-tdep.c (cris_dwarf2_reg_to_regnum): Likewise.
	* hppa-tdep.c (hppa64_dwarf_reg_to_regnum): Likewise.
	* ia64-tdep.c (ia64_dwarf_reg_to_regnum): Likewise.
	* m68k-tdep.c (m68k_dwarf_reg_to_regnum): Likewise.