https://sourceware.org/bugzilla/show_bug.cgi?id=17639
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https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=c924eb67e143722e4098d84c1cb91123a51c988f
commit c924eb67e143722e4098d84c1cb91123a51c988f
Author: Cary Coutant <ccout...@google.com>
Date: Tue Nov 25 13:55:42 2014 -0800
Fix corrupted .eh_frame section with LTO and --gc-sections.
When --gc-sections is turned on during an LTO link, the .eh_frame sections
from deferred files are processed before those from the replacement files.
As a result, the section end-cap from crtendS.o is placed ahead of
the .eh_frame data from the replacement files. This patch fixes the bug
by skipping the layout of the deferred sections during GC pass 2.
gold/
PR gold/17639
* object.cc (Sized_relobj_file): Initialize is_deferred_layout_.
(Sized_relobj_file::do_layout): Handle deferred sections properly
during GC pass 1. Don't add reloc sections to deferred list twice.
* object.h (Sized_relobj_file::is_deferred_layout): New function.
(Sized_relobj_file::is_deferred_layout_): New data member.
-----------------------------------------------------------------------
Summary of changes:
gold/ChangeLog | 9 +++++++++
gold/object.cc | 20 ++++++++++++++------
gold/object.h | 7 +++++++
3 files changed, 30 insertions(+), 6 deletions(-)
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