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[Bug libc/19170] __gmon_start__ defined in hppa in crtn.S


https://sourceware.org/bugzilla/show_bug.cgi?id=19170

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https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=b3f7fb12f5c490787d548ecc479920e608f6f904

commit b3f7fb12f5c490787d548ecc479920e608f6f904
Author: John David Anglin <danglin@gcc.gnu.org>
Date:   Sat Dec 2 14:43:28 2017 -0500

    Handle __gmon_start__ as undefined weak on hppa.

        [BZ libc/19170]
        * sysdeps/hppa/crti.S: Declare PREINIT_FUNCTION weak_extern when
        PREINIT_FUNCTION_WEAK is nonzero.
        (gmon_initializer): New function.  Put procedure label for it in
        .init_array section.
        (_init): Don't call PREINIT_FUNCTION.
        * sysdeps/hppa/crtn.S (__gmon_start__): Remove.
        * sysdeps/hppa/dl-lookupcfg.h (DL_FIXUP_MAKE_VALUE): Create null fixup
        value when map argument is null.

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

Summary of changes:
 ChangeLog                   |   10 ++++
 sysdeps/hppa/crti.S         |   97 +++++++++++++++++++++++++++++++++++++++----
 sysdeps/hppa/crtn.S         |   21 ---------
 sysdeps/hppa/dl-lookupcfg.h |    3 +-
 4 files changed, 101 insertions(+), 30 deletions(-)

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