[patch]: Add endianess to valprint routines

[Markus Deuling]

Hi,

this patch adds a new endianess parameter to valprint routines print_hex_chars, print_octal_chars, print_decimal_chars,
print_binary_chars and print_char_chars. Those routines base upon endianess which they currently get via
gdbarch_byte_order. 

I temporarely introduce gdbarch_byte_order in the two callers "print_scalar_formatted" and "val_print_type_code_int".
I'll come up with some more patches to improve printing routines in the near future. Then those current_gdbarch's will
disappear.

Tested on x86_64 without regression. Ok to commit ?

ChangeLog:

	* valprint.c (print_hex_chars, print_octal_chars, print_decimal_chars,
	print_binary_chars, print_char_chars): Add endianess parameter and
	replace gdbarch_byte_order.
	(val_print_type_code_int): Introduce gdbarch_byte_order to get at the
	endianness. Update call to print_hex_chars.
	* valprint.h (print_hex_chars, print_octal_chars, print_decimal_chars,
	print_binary_chars, print_char_chars): Add endianess parameter.
	* printcmd.c (print_scalar_formatted): Introduce gdbarch_byte_order to
	get at the endianness. Update print_*_char calls to use endianness.

Regards,
Markus

-- 
  Markus Deuling
  GNU Toolchain for Linux on Cell BE
  deuling@de.ibm.com

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