2009-10-28 Kai Tietz <kai.tietz@onevision.com>

2009-10-28  Kai Tietz <kai.tietz@onevision.com>

	* dlltool.c (leading_underscore): New local variable.
	(asm_prefix): Interpret leading_underscore.
	(xlate): Likewise.
	(add_excludes): Use leading_underscore for making
	symbol name.
	(gen_exp_file): Use leading_underscore for internal
	_imp_ symbols.
	(usage): Add display of --no-leading-underscore and
	--leading-underscore option.
	(OPTION_NO_LEADING_UNDERSCORE): New.
	(OPTION_LEADING_UNDERSCORE): New.
	(long_options): Add --no-leading-underscore and
	--leading-underscore option.
	(main): Handle new options.
	* doc/binutils.text: Add documentation of the options
	--no-leading-underscore and --leading-underscore.