[Bug libc/21286] bits/siginfo.h is missing enum definition for TRAP_HWBKPT

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https://sourceware.org/bugzilla/show_bug.cgi?id=21286

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https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=89983cb37c9319806a551e8fe9f3a11ff8f973e1

commit 89983cb37c9319806a551e8fe9f3a11ff8f973e1
Author: Joseph Myers <joseph@codesourcery.com>
Date:   Mon Sep 17 12:41:14 2018 +0000

    Update siginfo constants from Linux kernel (bug 21286).

    As of Linux 4.17, siginfo headers in the Linux kernel have been
    largely unified across architectures (so various constants are defined
    with common values in include/uapi/asm-generic/siginfo.h even if not
    all architectures can generate those particular constants).

    This patch makes glibc reflect that unification and the current set of
    constants in that header as of Linux 4.18.  Various constants are
    added to bits/siginfo-consts.h (under the same feature test macro
    conditions as the other constants with the same prefix), and removed
    from the ia64 bits/siginfo-consts-arch.h where they were previously
    there - this is not limited to constants added by the unification.
    Nothing is done about macros that are defined in
    include/uapi/asm-generic/siginfo.h with names with leading '__' (some
    of those are ia64-specific ones that remain in the ia64
    bits/siginfo-consts-arch.h without the leading '__' there).

    A consequence of these changes is that TRAP_HWBKPT becomes available
    on AArch64 and all other architectures as requested in bug 21286.

    Tested for x86_64; tested with build-many-glibcs.py for ia64.

        [BZ #21286]
        * sysdeps/unix/sysv/linux/bits/siginfo-consts.h (SI_DETHREAD): New
        constant.
        [__USE_XOPEN_EXTENDED || __USE_XOPEN2K8] (ILL_BADIADDR): Likewise.
        [__USE_XOPEN_EXTENDED || __USE_XOPEN2K8] (FPE_FLTUNK): Likewise.
        [__USE_XOPEN_EXTENDED || __USE_XOPEN2K8] (FPE_CONDTRAP): Likewise.
        [__USE_XOPEN_EXTENDED || __USE_XOPEN2K8] (SEGV_ACCADI): Likewise.
        [__USE_XOPEN_EXTENDED || __USE_XOPEN2K8] (SEGV_ADIDERR): Likewise.
        [__USE_XOPEN_EXTENDED || __USE_XOPEN2K8] (SEGV_ADIPERR): Likewise.
        [__USE_XOPEN_EXTENDED] (TRAP_BRANCH): Likewise.
        [__USE_XOPEN_EXTENDED] (TRAP_HWBKPT): Likewise.
        [__USE_XOPEN_EXTENDED] (TRAP_UNK): Likweise.
        * sysdeps/unix/sysv/linux/ia64/bits/siginfo-consts-arch.h
        (ILL_BADIADDR): Remove constant.
        (TRAP_BRANCH): Likewise.
        (TRAP_HWBKPT): Likewise.

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

Summary of changes:
 ChangeLog                                          |   19 ++++++++++++
 sysdeps/unix/sysv/linux/bits/siginfo-consts.h      |   31 ++++++++++++++++---
 .../sysv/linux/ia64/bits/siginfo-consts-arch.h     |   13 +-------
 3 files changed, 46 insertions(+), 17 deletions(-)

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