2010-05-26 Doug Kwan <dougkwan@google.com>

2010-05-26  Doug Kwan  <dougkwan@google.com>

	* arm.cc (Arm_scan_relocatable_relocs): New class.
	(Target_arm::relocate_special_relocatable): New method.
	(Arm_relocate_functions::arm_branch_common): Handle relocatable link.
	(Arm_relocate_functions::thumb_branch_common): Same.
	(Target_arm::scan_relocatable_relocs): Use Arm_scan_relocatable_relocs
	instead of Default_scan_relocatable_relocs.
	* target-reloc.h (relocate_for_relocatable): Let target handle
	relocation strategy Relocatable_relocs::RELOC_SPECIAL.
	* target.h (Sized_target::relocate_special_relocatable): New method.