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Patch to add --keep-unique option to gold for unfolding user-specified symbols.

From: Sriraman Tallam <tmsriram at google dot com>
To: binutils at sourceware dot org
Date: Wed, 12 Aug 2009 11:54:36 -0700
Subject: Patch to add --keep-unique option to gold for unfolding user-specified symbols.

Hi,

     I am committing this patch to gold to support --keep-unique
option during ICF which
does not fold user specified symbols. Ian and Cary approved this patch off-line.

Thanks,
-Sriraman.

2009-08-12  Sriraman Tallam  <tmsriram@google.com>

	* icf.cc (Icf::find_identical_sections): Unfold symbols that have
	been maked as --keep-unique.
	(Icf::unfold_section): New function.
	* icf.h (Icf::unfold_section): New function.
	* options.h (Genereal_options::keep_unique): New option.
	* testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
	* testsuite/Makefile.in: Regenerate.
	* testsuite/icf_keep_unique_test.sh: New file.
	* testsuite/icf_keep_unique_test.cc: New file.

Attachment: keep_unique_patch
Description: Binary data

Follow-Ups:
- Re: Patch to add --keep-unique option to gold for unfolding user-specified symbols.
  - From: Sriraman Tallam

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