2010-01-11 Doug Kwan <dougkwan@google.com>

2010-01-11  Doug Kwan  <dougkwan@google.com>

	* arm.cc (Arm_relocate_functions::thumb32_branch_offset,
	Arm_relocate_functions::thumb32_branch_upper,
	Arm_relocate_functions::thumb32_branch_lower,
	Arm_relocate_functions::thumb32_cond_branch_offset,
	Arm_relocate_functions::thumb32_cond_branch_upper,
	Arm_relocate_functions::thumb32_cond_branch_lower,
	Arm_relocate_functions::thm_jump19): New methods to handle THUMB
	branch offset encoding.
	(Arm_relocate_functions::thumb_branch_common): Use new branch
	offset encoding methods to avoid code duplication.
	(Stub_template::Stub_template) Handle THUMB16_SPECIAL_TYPE.
	(Stub_addend_reader::operator()): Use new branch encoding method
	to avoid code duplication.