[PATCH][GOLD] Enable use of stubs in THUMB branches.

[=?big5?b?RG91ZyBLd2FuICjD9q62vHcp?= <dougkwan at google dot com>]

Hi,

    This patch enables use of stubs in thumb branches.  It also fixes
a few minor problem.

-Doug

2009-11-15  Doug Kwan  <dougkwan@google.com>

        * arm.cc (Target_arm::may_use_thumb2_nop): New method definition.
        (Arm_relocate_functions::thumb_branch_common): New metod declaration.
        (Arm_relocate_functions::abs12, Arm_relocate_functions::abs16): Fix
        formatting.
        (Arm_relocate_functions::thm_call): Replace body with a call to
        Arm_relocate_functions::thumb_branch_common.
        (Arm_relocate_functions::thm_jump24,
        Arm_relocate_functions::thm_xpc22): New method definitions.
        (Arm_relocate_functions::thumb_branch_common): New method definition.
        (Reloc_stub::stbu_type_for_reloc): Fix incorrect uses of bit-wise-or
        operator.
        (Target_arm::Relocate::relocate): Adjust call to thm_call.
        Add code to handle R_ARM_THM_XPC22 and R_ARM_THM_JUMP24.

Attachment: patch.txt
Description: Text document