2010-01-21 Doug Kwan <dougkwan@google.com>

2010-01-21  Doug Kwan  <dougkwan@google.com>

	* arm.cc (Arm_exidx_input_section): New class.
	(Arm_relobj::exidx_input_section_by_link,
	Arm_relobj::exidx_input_section_by_shndx,
	Arm_relobj::make_exidx_input_section): New methods.
	(read_arm_attributes_section): Remove.
	(Arm_relobj::do_read_symbols): Look for ARM.exidx sections and record
	information about them.
	(Arm_dynobj::do_read_symbols): Move code in read_arm_attributes_section
	to here.