* x86-64-tdep.h (X86_64_NUM_REGS, X86_64_NUM_GREGS): Delete #defines.

	* x86-64-tdep.h (X86_64_NUM_REGS, X86_64_NUM_GREGS): Delete #defines.
	(x86_64_num_regs, x86_64_num_gregs): Added extern variables.
	* x86-64-linux-nat.c (x86_64_regmap): Swapped RBX <> RDX, added DS, ES, FS, GS.
	(x86_64_linux_dr_get_status, supply_gregset),
	(fill_gregset): Changed X86_64_NUM_GREGS to x86_64_num_gregs.
	* x86-64-tdep.c (x86_64_register_raw_size_table): Delete.
	(x86_64_register_info_table): Add.
	(X86_64_NUM_REGS, X86_64_NUM_GREGS): Add.
	(x86_64_register_raw_size, x86_64_register_virtual_type),
	(x86_64_register_name, _initialize_x86_64_tdep): Changed to reflect new
	general x86_64_register_info_table.
	(i386_gdbarch_init): gdbarch_register_bytes is now set
	dynamicaly during initialization.
	* regformats/reg-x86-64.dat: Synced with changes to registers above.
	* gdbserver/linux-x86-64-low.c: Ditto.