[Bug dynamic-link/18134] x86-64 ld.so doesn't preserve bound registers

[cvs-commit at gcc dot gnu.org]

https://sourceware.org/bugzilla/show_bug.cgi?id=18134

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https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=b97eb2bdb1ed72982a7821c3078be591051cef59

commit b97eb2bdb1ed72982a7821c3078be591051cef59
Author: H.J. Lu <hjl.tools@gmail.com>
Date:   Mon Mar 16 14:58:43 2015 -0700

    Preserve bound registers in _dl_runtime_resolve

    We need to add a BND prefix before indirect branch at the end of
    _dl_runtime_resolve to preserve bound registers.

        [BZ #18134]
        * sysdeps/x86_64/dl-trampoline.S (PRESERVE_BND_REGS_PREFIX): New.
        (_dl_runtime_resolve): Add a BND prefix before indirect branch.

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

Summary of changes:
 ChangeLog                      |    5 +++++
 sysdeps/x86_64/dl-trampoline.S |    8 ++++++++
 2 files changed, 13 insertions(+), 0 deletions(-)

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