[Bug dynamic-link/18383] TLS blocks with very large alignment not handled right

[cvs-commit at gcc dot gnu.org]

https://sourceware.org/bugzilla/show_bug.cgi?id=18383

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https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=a7fcc2f8edb26e4d54b6a740aaa3f3bb0caebd14

commit a7fcc2f8edb26e4d54b6a740aaa3f3bb0caebd14
Author: H.J. Lu <hjl.tools@gmail.com>
Date:   Thu May 7 13:26:34 2015 -0700

    Align TCB offset to the maximum alignment

    We need to align TCB offset to the maximum alignment for TLS_TCB_AT_TP
    targets, as _dl_allocate_tls_storage (in elf/dl-tls.c) does using
    __libc_memalign and dl_tls_static_align.

        [BZ #18383]
        * csu/libc-tls.c (__libc_setup_tls) [TLS_TCB_AT_TP]: Align
        TCB_OFFSET to MAX_ALIGN, not just TCBALIGN.  Add comment.
        * elf/Makefile (test-xfail-tst-tlsalign{,-static}): Remove
        comment for i386/x86-64.
        (test-xfail-tst-tlsalign-extern-static): Removed.

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

Summary of changes:
 ChangeLog      |    9 +++++++++
 csu/libc-tls.c |    5 ++++-
 elf/Makefile   |    5 +----
 3 files changed, 14 insertions(+), 5 deletions(-)

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