gdb and binutils branch master updated. 9860cbcfb60bdae2f9800e6a6ea5f21ef1507d08

[ccoutant at sourceware dot org]

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https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=9860cbcfb60bdae2f9800e6a6ea5f21ef1507d08

commit 9860cbcfb60bdae2f9800e6a6ea5f21ef1507d08
Author: Cary Coutant <ccoutant@google.com>
Date:   Wed Jul 2 09:39:41 2014 -0700

    Fix problem with optimization of .eh_frame section and --sort-section option.
    
    When --sort-section=name is used, gold will sort the linker-generated contents
    of .eh_frame (after optimization) after the endcap provided by crtendS.o.
    This causes two problems: the .eh_frame_hdr section is generated assuming that
    the optimized .eh_frame contents will be placed at the very beginning of the
    section, and the endcap no longer appears at the end of the section.
    
    This patch fixes the first problem by adjusting FDE offsets to take into account
    the actual starting offset within the output section, and fixes the second
    problem by sorting linker-generated (Output_section_data) sections based on the
    name of the output section.
    
    gold/
    	PR gold/17005
    	* ehframe.cc (Fde::write): Add output_offset parameter.
    	(Cie::write): Likewise.
    	(Eh_frame::set_final_data_size): Account for offset within output
    	section.
    	(Eh_frame::do_sized_write): Likewise.
    	* ehframe.h (Fde::write): Add output_offset parameter.
    	(Cie::write): Likewise.
    	* output.cc (Output_section::Input_section_sort_entry): Remove
    	section_has_name_; add output_section_name parameter. Use
    	output section name for non-input sections.
    	(Output_section::Input_section_sort_entry::section_has_name): Remove.
    	(Output_section::Input_section_sort_entry::section_has_name_): Remove.
    	(Output_section::Input_section_sort_compare): Remove logic for
    	sections without names.
    	(Output_section::Input_section_sort_init_fini_compare): Likewise.
    	(Output_section::Input_section_sort_section_prefix_special_ordering_compare):
    	Likewise.
    	(Output_section::Input_section_sort_section_name_compare): Likewise.

-----------------------------------------------------------------------

Summary of changes:
 gold/ChangeLog  |   22 ++++++++++++++++
 gold/ehframe.cc |   55 ++++++++++++++++++++++++-----------------
 gold/ehframe.h  |    7 +++--
 gold/output.cc  |   73 ++++++++++--------------------------------------------
 4 files changed, 72 insertions(+), 85 deletions(-)


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