[Bug libc/18822] Internal functions are called via PLT

["cvs-commit at gcc dot gnu.org" <sourceware-bugzilla at sourceware dot org>]

https://sourceware.org/bugzilla/show_bug.cgi?id=18822

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https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=825adeeed1e95990fd1efb70d9ac3eb7f1ea802a

commit 825adeeed1e95990fd1efb70d9ac3eb7f1ea802a
Author: H.J. Lu <hjl.tools@gmail.com>
Date:   Tue Sep 26 16:53:25 2017 -0700

    Mark __dso_handle as hidden [BZ #18822]

    Since __dso_handle is always defined by either crtbegin.o from GCC or
    dso_handle.c, it should be marked as hidden and be passed directly.

        [BZ #18822]
        * dlfcn/modatexit.c (foo): Remove __dso_handle check.
        * dlfcn/modcxaatexit.c: Include <dso_handle.h>.
        (__dso_handle): Remove declaration.
        * dlfcn/tstatexit.c (__dso_handle): Removed.
        (main): Don't check __dso_handle.
        * dlfcn/tstcxaatexit.c (__dso_handle): Removed.
        (main): Don't check __dso_handle.
        * include/dso_handle.h: New file.
        * malloc/mtrace.c: Include <dso_handle.h>.
        (mtrace): Pass __dso_handle directly.
        * nptl/pthread_atfork.c: Include <dso_handle.h>.
        (__dso_handle): Remove declaration.
        (__pthread_atfork): Pass __dso_handle directly.
        * nptl/tst-atfork2mod.c: Include <dso_handle.h>.
        (__dso_handle): Removed.
        * posix/wordexp-test.c: Include <dso_handle.h>.
        (__dso_handle): Remove declaration.
        (__app_register_atfork): Pass __dso_handle directly.
        * stdlib/at_quick_exit.c: Include <dso_handle.h>.
        (__dso_handle): Remove declaration.
        (at_quick_exit): Pass __dso_handle directly.
        * stdlib/atexit.c: Include <dso_handle.h>.
        (__dso_handle): Remove declaration.
        (atexit): Pass __dso_handle directly.
        * stdlib/tst-tls-atexit-lib.c: Include <dso_handle.h>.
        (__dso_handle): Removed.

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

Summary of changes:
 ChangeLog                   |   30 ++++++++++++++++++++++++++++++
 dlfcn/modatexit.c           |    2 --
 dlfcn/modcxaatexit.c        |    2 +-
 dlfcn/tstatexit.c           |    8 --------
 dlfcn/tstcxaatexit.c        |    8 --------
 include/dso_handle.h        |    3 +++
 malloc/mtrace.c             |    4 ++--
 nptl/pthread_atfork.c       |    8 ++------
 nptl/tst-atfork2mod.c       |    2 +-
 posix/wordexp-test.c        |    5 ++---
 stdlib/at_quick_exit.c      |    8 ++------
 stdlib/atexit.c             |    9 ++-------
 stdlib/tst-tls-atexit-lib.c |    3 +--
 13 files changed, 46 insertions(+), 46 deletions(-)
 create mode 100644 include/dso_handle.h

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