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[PATCH] gold: add dynamic symbol support for ARM target.


This patch adds code to support dynamic symbols in arm.cc (PLT, GOT
and copy relocs), the code is mostly based on existing i386 target
with some modification.  Currently this only compiles.  The code that
exercises these functionalities will be submitted in later patches.

-Doug

2009-05-28  Doug Kwan  <dougkwan@google.com>

	* gold/arm.cc (Output_data_plt_arm): Forward declaration for new
	template class.
	(class Target_arm): Update comments.
	(Target_arm::Target_arm): Initialize new data members GOT_,
	PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
	Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
	and Target_arm::rel_dyn_section.
	Declare new_enum Target_arm::Got_type.
	Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
	and DYNBSS_.
	(Target_arm::got_size, Target_arm::plt_section,
	Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
	new methods inside class defintion.
	(Target_arm::got_section): Define new method.
	(Target_arm::rel_dyn_section): Same.
	(Output_data_plt_arm): New template class.
	(Output_data_plt_arm::Output_data_plt_arm): Define constructor.
	(Output_data_plt_arm:do_adjust_output_section): Define new method.
	(Output_data_plt_arm::add_entry): Same.
	(Output_data_plt_arm::first_plt_entry): Define new
	static data member for PLT instruction template.
	(Output_data_plt_arm::plt_entry): Same.
	(Output_data_plt_arm::do_write): Define new method.
	(Target_arm::make_plt_entry): Same.
	(Target_arm::do_finalize_sections): Same.
	(Target_arm::do_dynsym_value): Same.

Attachment: patch.txt
Description: Text document


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