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charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: CH3PR12MB9079.namprd12.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: cf1607c4-d6f4-40c8-a54e-08dc52f08aa2 X-MS-Exchange-CrossTenant-originalarrivaltime: 02 Apr 2024 08:40:25.1293 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: eyR+lJ1wWh5SC2+jGchA6IDQRHGT6MaGnapvEw89gKPzjS5VF2hgxjsWtUygZkJZeN5OCRSCc3AoX3vzSvF7xQ== X-MS-Exchange-Transport-CrossTenantHeadersStamped: DS7PR12MB6119 X-Spam-Status: No, score=-4.1 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH,DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,FORGED_SPF_HELO,RCVD_IN_MSPIKE_H2,SPF_HELO_PASS,SPF_NONE,TXREP autolearn=no autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on server2.sourceware.org List-Id: [AMD Official Use Only - General] > Lancelot> A consequence of this change is that the per_bfd->dwz_file > optional > Lancelot> object can now remain empty (instead of containing a nullptr), = so > also > Lancelot> this patch also adjusts dwarf2_get_dwz_file to account for this > Lancelot> possibility. This effectively reverts the changes to > Lancelot> dwarf2_get_dwz_file done by e9b738dfbdc. > > I'm curious about the motivation for this change. > Can dwarf2_get_dwz_file be called when dwarf2_has_info returns false? > > Tom It can be called when doing "save gdb-index" (dwarf2/index-write.c: save_gd= b_index_command). This case is exercised by "gdb.dwarf2/gdb-index-nodebug.= exp". Maybe a better approach could be to modify save_gdb_index_command to check = if there is any debug info before calling write_dwarf_index, but the curren= t try/catch approach is the construct currently taking core of that. Havin= g dwarf2_get_dwz_file return nullptr in that case does made sense to me, bu= t I can also go another direction. Best, Lancelot.