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 691893858281; Tue, 19 Jul 2022 08:36:35 +0000 (GMT)
DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 691893858281
From: "vries at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org>
To: gdb-prs@sourceware.org
Subject: [Bug symtab/29381] [gdb, debug-types, debug-names] read.h:309:
 internal-error: set_length: Assertion `m_length == length' failed.
Date: Tue, 19 Jul 2022 08:36:35 +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-29381-4717-DtYYwrTqeO@http.sourceware.org/bugzilla/>
In-Reply-To: <bug-29381-4717@http.sourceware.org/bugzilla/>
References: <bug-29381-4717@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: Tue, 19 Jul 2022 08:36:35 -0000

https://sourceware.org/bugzilla/show_bug.cgi?id=3D29381

--- Comment #1 from Tom de Vries <vries at gcc dot gnu.org> ---
This addresses problem 2, both for .debug_names and .gdb_index:
...
diff --git a/gdb/dwarf2/read.c b/gdb/dwarf2/read.c
index bcd01107377..3b4409fa8ca 100644
--- a/gdb/dwarf2/read.c
+++ b/gdb/dwarf2/read.c
@@ -2696,7 +2696,10 @@ dwarf2_read_gdb_index
       /* We can only handle a single .debug_types when we have an
         index.  */
       if (per_bfd->types.size () !=3D 1)
-       return 0;
+       {
+         per_bfd->all_comp_units.clear ();
+         return 0;
+       }

       dwarf2_section_info *section =3D &per_bfd->types[0];

@@ -4701,7 +4704,10 @@ dwarf2_read_debug_names (dwarf2_per_objfile
*per_objfile)

       /* We can only handle a single .debug_types when we have an
         index.  */
       if (per_bfd->types.size () !=3D 1)
-       return false;
+       {
+         per_bfd->all_comp_units.clear ();
+         return false;
+       }

       dwarf2_section_info *section =3D &per_bfd->types[0];

@@ -7206,6 +7212,7 @@ static void
 create_all_comp_units (dwarf2_per_objfile *per_objfile)
 {
   htab_up types_htab;
+  gdb_assert (per_objfile->per_bfd->all_comp_units.empty ());

   read_comp_units_from_section (per_objfile, &per_objfile->per_bfd->info,
                                &per_objfile->per_bfd->abbrev, 0,
...

Also adds an assert to detect the problem asap.  A similar assert is already
present in create_cus_from_index and create_cus_from_debug_names.

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