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From: "cvs-commit at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org>
To: gdb-prs@sourceware.org
Subject: [Bug testsuite/30538] [gdb/testsuite, aarch64] FAIL:
 gdb.python/py-rbreak.exp: check number of returned breakpoints is 11
Date: Mon, 12 Jun 2023 10:59:56 +0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=3D30538

--- Comment #1 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gn=
u.org> ---
The master branch has been updated by Tom de Vries <vries@sourceware.org>:

https://sourceware.org/git/gitweb.cgi?p=3Dbinutils-gdb.git;h=3D9f82823f8972=
fbd4bba0230b27828d87f0548cbc

commit 9f82823f8972fbd4bba0230b27828d87f0548cbc
Author: Tom de Vries <tdevries@suse.de>
Date:   Mon Jun 12 13:00:09 2023 +0200

    [gdb/testsuite] Relax breakpoint count check in gdb.python/py-rbreak.exp

    With a gdb 13.2 based package on SLE-15 aarch64,  I run into:
    ...
    (gdb) PASS: gdb.python/py-rbreak.exp: nosharedlibrary
    py sl =3D gdb.rbreak("^[^_]",minsyms=3DFalse)^M
    Breakpoint 2 at 0x4004ac: file ../sysdeps/aarch64/crti.S, line 63.^M
      ...
    (gdb) py print(len(sl))^M
    12^M
    (gdb) FAIL: gdb.python/py-rbreak.exp: check number of returned breakpoi=
nts
is 11
    ...

    The FAIL is due to:
    - the glibc object crti.o containing debug information for function
      call_weak_fn, and
    - the test-case not expecting this.

    The debug information is there due to compiling glibc using a binutils
which
    contains commit 591cc9fbbfd ("gas/Dwarf: record functions").

    I've run into a similar issue before, see commit 3fbbcf473a5
("[gdb/testsuite]
    Fix regexp in py-rbreak.exp").

    The fix I applied there was to use a regexp "^[^_]" to filter out
    __libc_csu_fini and __libc_csu_init, but that doesn't work for
call_weak_fn.

    Fix this by:
    - reverting the regexp to "", and
    - rewriting the check to require at least 11 functions, rather than a
precise
      match.

    Tested on x86_64-linux.

    PR testsuite/30538
    Bug: https://sourceware.org/bugzilla/show_bug.cgi?id=3D30538

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