* dummy-frame.c (deprecated_pc_in_call_dummy): Add GDBARCH parameter,

	use it instead of current_gdbarch.
	* frame.h (deprecated_pc_in_call_dummy): Add GDBARCH parameter.
	* arm-tdep.c (arm_skip_prologue): Pass architecture to
	deprecated_pc_in_call_dummy.

	* symtab.c (skip_prologue_using_sal): Add GDBARCH parameter.
	Use it instead of current_gdbarch.
	* symtab.h (skip_prologue_using_sal): Add GDBARCH parameter.
	* breakpoint.c (expand_line_sal_maybe): Pass architecture to
	skip_prologue_using_sal.
	* arm-tdep.c (skip_prologue_using_sal): Likewise.
	* lm32-tdep.c (lm32_skip_prologue): Likewise.
	* m32-tdep.c (m32c_skip_prologue): Likewise.
	* mips-tdep.c (mips_skip_prologue): Likewise.
	* moxie-tdep.c (moxie_skip_prologue): Likewise.
	* mt-tdep.c (mt_frame_unwind_cache): Likewise.
	* rs6000-tdep.c (rs6000_skip_prologue): Likewise.
	* frv-tdep.c (frv_analyze_prologue): Add GDBARCH parameter, pass
	it to skip_prologue_using_sal.  Update call sites ...
	(frv_skip_prologue, frv_frame_unwind_cache): ... here.

	* mn10300-tdep.c (struct mn10300_prologue): Add GDBARCH member.
	(check_for_saved): Use it instead of current_gdbarch.
	(mn10300_analyze_prologue): Set it.

	* value.c (using_struct_return): Add GDBARCH parameter.  Use it
	instead of current_gdbarch.
	* value.h (using_struct_return): Add GDBARCH parameter.
	* eval.c (evaluate_subexp_standard): Pass architecture to
	using_struct_return.
	* infcall.c (call_function_by_hand): Likewise.
	* stack.c (return_command): Likewise.
	* sparc-tdep.c (sparc32_push_dummy_code): Likewise.

	* symtab.c (in_prologue): Add GDBARCH parameter.  Use it instead of
	current_gdbarch.
	* symtab.h (in_prologue): Add GDBARCH parameter.
	* infrun.c (handle_inferior_event): Pass architecture to in_prologue.

	* eval.c (evaluate_subexp_standard): Use expression architecture
	instead of current_gdbarch.

	* c-lang.c (evaluate_subexp_c): Use expression architecture and
	language instead of current_gdbarch and current_language.

	* printcmd.c (do_one_display): Use expression architecture instead
	of current_gdbarch.

	* infcmd.c (print_return_value): Use architecture of stop_regcache
	instead of current_gdbarch.
	(print_vector_info, print_float_info): Remove GDBARCH argument,
	use frame architecture instead.
	(vector_info, float_info): Update calls.

	* objc-lang.c (objc_skip_trampoline): Use frame architecture
	instead of current_gdbarch.

	* parse.c (write_dollar_variable): Use parse architecture instead
	of current_gdbarch.

	* source.c (line_info): Use objfile architecture instead of
	current_gdbarch.

	* symtab.c (find_function_start_sal): Use gdbarch instead of
	current_gdbarch.
	(print_msymbol_info): Use objfile architecture instead of
	current_gdbarch.

	* valops.c (value_assign): Use frame architecture instead of
	current_gdbarch.