From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <sourceware-bugzilla@sourceware.org>
Received: by sourceware.org (Postfix, from userid 48)
 id 7BE2F3857C65; Thu, 26 Aug 2021 12:39:05 +0000 (GMT)
DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 7BE2F3857C65
From: "vries at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org>
To: gdb-prs@sourceware.org
Subject: [Bug symtab/28159] [gdb/symtab] gdb generates .gdb_index with only
 empty hashtable entries, then fails to recognize it as empty
Date: Thu, 26 Aug 2021 12:39:05 +0000
X-Bugzilla-Reason: CC
X-Bugzilla-Type: changed
X-Bugzilla-Watch-Reason: None
X-Bugzilla-Product: gdb
X-Bugzilla-Component: symtab
X-Bugzilla-Version: HEAD
X-Bugzilla-Keywords: 
X-Bugzilla-Severity: normal
X-Bugzilla-Who: vries at gcc dot gnu.org
X-Bugzilla-Status: NEW
X-Bugzilla-Resolution: 
X-Bugzilla-Priority: P2
X-Bugzilla-Assigned-To: unassigned at sourceware dot org
X-Bugzilla-Target-Milestone: ---
X-Bugzilla-Flags: 
X-Bugzilla-Changed-Fields: 
Message-ID: <bug-28159-4717-yD2ZbSKHQR@http.sourceware.org/bugzilla/>
In-Reply-To: <bug-28159-4717@http.sourceware.org/bugzilla/>
References: <bug-28159-4717@http.sourceware.org/bugzilla/>
Content-Type: text/plain; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable
X-Bugzilla-URL: http://sourceware.org/bugzilla/
Auto-Submitted: auto-generated
MIME-Version: 1.0
X-BeenThere: gdb-prs@sourceware.org
X-Mailman-Version: 2.1.29
Precedence: list
List-Id: Gdb-prs mailing list <gdb-prs.sourceware.org>
List-Unsubscribe: <https://sourceware.org/mailman/options/gdb-prs>,
 <mailto:gdb-prs-request@sourceware.org?subject=unsubscribe>
List-Archive: <https://sourceware.org/pipermail/gdb-prs/>
List-Help: <mailto:gdb-prs-request@sourceware.org?subject=help>
List-Subscribe: <https://sourceware.org/mailman/listinfo/gdb-prs>,
 <mailto:gdb-prs-request@sourceware.org?subject=subscribe>
X-List-Received-Date: Thu, 26 Aug 2021 12:39:05 -0000

https://sourceware.org/bugzilla/show_bug.cgi?id=3D28159

--- Comment #5 from Tom de Vries <vries at gcc dot gnu.org> ---
(In reply to Tom de Vries from comment #2)
> (In reply to Tom de Vries from comment #0)
> > This shows two problems:
> > - gdb generates such an index
>=20
> Fixed by:
> ...
> diff --git a/gdb/dwarf2/index-write.c b/gdb/dwarf2/index-write.c
> index 4e00c716d91..5de07a6c07b 100644
> --- a/gdb/dwarf2/index-write.c
> +++ b/gdb/dwarf2/index-write.c
> @@ -1385,6 +1385,9 @@ write_gdbindex (dwarf2_per_objfile *per_objfile, FI=
LE
> *out_file,
>    uniquify_cu_indices (&symtab);
>=20=20
>    data_buf symtab_vec, constant_pool;
> +  if (symtab.n_elements =3D=3D 0)
> +    symtab.data.resize (0);
> +
>    write_hash_table (&symtab, symtab_vec, constant_pool);
>=20=20
>    write_gdbindex_1(out_file, objfile_cu_list, types_cu_list, addr_vec,
> ...

Submitted here:
https://sourceware.org/pipermail/gdb-patches/2021-August/181673.html .

--=20
You are receiving this mail because:
You are on the CC list for the bug.=