https://sourceware.org/bugzilla/show_bug.cgi?id=17005
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=9860cbcfb60bdae2f9800e6a6ea5f21ef1507d08
commit 9860cbcfb60bdae2f9800e6a6ea5f21ef1507d08
Author: Cary Coutant <ccout...@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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