From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) by sourceware.org (Postfix) with ESMTPS id 9FC743858D32 for ; Wed, 17 Aug 2022 05:56:17 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org 9FC743858D32 Received: from mimecast-mx02.redhat.com (mx3-rdu2.redhat.com [66.187.233.73]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-271-mqTv-p5lOS2V75w3atCz6A-1; Wed, 17 Aug 2022 01:56:13 -0400 X-MC-Unique: mqTv-p5lOS2V75w3atCz6A-1 Received: from smtp.corp.redhat.com (int-mx07.intmail.prod.int.rdu2.redhat.com [10.11.54.7]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id D8A2F2999B4C; Wed, 17 Aug 2022 05:56:12 +0000 (UTC) Received: from oldenburg.str.redhat.com (unknown [10.39.192.106]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 228B914152E1; Wed, 17 Aug 2022 05:56:11 +0000 (UTC) From: Florian Weimer To: Lv Ying Cc: libc-alpha@sourceware.org, lvying6@huawei.com Subject: Re: [RFC] elf: fine-grained output LD_DEBUG log when symbol lookup error References: <20220807120003.313131-1-lvying.system.thoughts@gmail.com> <875yj2ootn.fsf@oldenburg.str.redhat.com> <87e5a2d3-f7a3-0749-cb70-e86ba27baf48@gmail.com> Date: Wed, 17 Aug 2022 07:56:10 +0200 In-Reply-To: <87e5a2d3-f7a3-0749-cb70-e86ba27baf48@gmail.com> (Lv Ying's message of "Wed, 17 Aug 2022 11:51:58 +0800") Message-ID: <87pmgz5s79.fsf@oldenburg.str.redhat.com> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/27.2 (gnu/linux) MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.85 on 10.11.54.7 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: base64 X-Spam-Status: No, score=-4.1 required=5.0 tests=BAYES_00, BODY_8BITS, DKIMWL_WL_HIGH, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, DKIM_VALID_EF, RCVD_IN_DNSWL_LOW, SPF_HELO_NONE, SPF_NONE, TXREP, T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on server2.sourceware.org X-BeenThere: libc-alpha@sourceware.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Libc-alpha mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 17 Aug 2022 05:56:20 -0000 KiBMdiBZaW5nOg0KDQo+IEhpLCBGbG9yaWFuLg0KPiBTb3JyeSB0byByZXBseSB5b3UgdG9vIGxh dGUsIGFuZCB0aGFua3MgZm9yIHlvdXIgcmVwbHkuIEkgdG9vayBzb21lIHRpbWUgdG8gcmVwcm9k dWNlIHRoaXMgcHJvYmxlbS4NCj4gQW5kIEkgcmVzZW5kIHRoaXMgZW1haWwgYWdhaW4gdG8gY2Mg bGliYy1hbHBoYUBzb3VyY2V3YXJlLm9yZy4NCj4NCj4+IERvIHlvdSBoYXZlIGEgcmVwcm9kdWNl ciB0aGF0IHNob3dzIHdoYXQgeW91IHdhbnQgdG8gZml4Pw0KPiBZZXMsIGhlcmUgaXMgdGhlIHJl cHJvZHVjZSBwcm9jZXNzaW5nOg0KPiBJIHdhbnQgdG8gZ2V0IHNocmFyZWQgb2JqZWN0IGxpYnJh cnkgc2VhcmNoIHBhdGhzIGluIG9wZW5FdWxlciAyMi4wMyhodHRwczovL2Z0cC5iZWxuZXQuYmUv bWlycm9yL29wZW5ldWxlci9vcGVuRXVsZXItMjIuMDMtTFRTLyk6DQo+DQo+DQo+ICMgZXhwb3J0 IExEX0RFQlVHPWxpYnMNCj4gIyB3aG9hbWkNCj4gwqDCoMKgwqAgNDA1MDM6wqDCoMKgIGZpbmQg bGlicmFyeT1saWJjLnNvLjYgWzBdOyBzZWFyY2hpbmcNCj4gwqDCoMKgwqAgNDA1MDM6wqDCoMKg wqAgc2VhcmNoIGNhY2hlPS9ldGMvbGQuc28uY2FjaGUNCj4gwqDCoMKgwqAgNDA1MDM6wqDCoMKg wqDCoCB0cnlpbmcgZmlsZT0vdXNyL2xpYjY0L2xpYmMuc28uNg0KPiDCoMKgwqDCoCA0MDUwMzrC oMKgwqANCj4gwqDCoMKgwqAgNDA1MDM6wqDCoMKgDQo+IMKgwqDCoMKgIDQwNTAzOsKgwqDCoCBj YWxsaW5nIGluaXQ6IC9saWI2NC9sZC1saW51eC14ODYtNjQuc28uMg0KPiDCoMKgwqDCoCA0MDUw MzrCoMKgwqANCj4gwqDCoMKgwqAgNDA1MDM6wqDCoMKgDQo+IMKgwqDCoMKgIDQwNTAzOsKgwqDC oCBjYWxsaW5nIGluaXQ6IC91c3IvbGliNjQvbGliYy5zby42DQo+IMKgwqDCoMKgIDQwNTAzOsKg wqDCoA0KPiDCoMKgwqDCoCA0MDUwMzrCoMKgwqANCj4gwqDCoMKgwqAgNDA1MDM6wqDCoMKgIGlu aXRpYWxpemUgcHJvZ3JhbTogd2hvYW1pDQo+IMKgwqDCoMKgIDQwNTAzOsKgwqDCoA0KPiDCoMKg wqDCoCA0MDUwMzrCoMKgwqANCj4gwqDCoMKgwqAgNDA1MDM6wqDCoMKgIHRyYW5zZmVycmluZyBj b250cm9sOiB3aG9hbWkNCj4gwqDCoMKgwqAgNDA1MDM6wqDCoMKgDQo+IMKgwqDCoMKgIDQwNTAz OsKgwqDCoCBmaW5kIGxpYnJhcnk9bGlibnNzX3Nzcy5zby4yIFswXTsgc2VhcmNoaW5nDQo+IMKg wqDCoMKgIDQwNTAzOsKgwqDCoMKgIHNlYXJjaCBjYWNoZT0vZXRjL2xkLnNvLmNhY2hlDQo+IMKg wqDCoMKgIDQwNTAzOsKgwqDCoMKgwqAgdHJ5aW5nIGZpbGU9L3Vzci9saWI2NC9saWJuc3Nfc3Nz LnNvLjINCj4gwqDCoMKgwqAgNDA1MDM6wqDCoMKgDQo+IMKgwqDCoMKgIDQwNTAzOsKgwqDCoA0K PiDCoMKgwqDCoCA0MDUwMzrCoMKgwqAgY2FsbGluZyBpbml0OiAvdXNyL2xpYjY0L2xpYm5zc19z c3Muc28uMg0KPiDCoMKgwqDCoCA0MDUwMzrCoMKgwqANCj4gwqDCoMKgwqAgNDA1MDM6wqDCoMKg IC91c3IvbGliNjQvbGlibnNzX3Nzcy5zby4yOiBlcnJvcjogc3ltYm9sIGxvb2t1cCBlcnJvcjog dW5kZWZpbmVkIHN5bWJvbDogX25zc19zc3NfZW5kYWxpYXNlbnQgKGZhdGFsKQ0KPiDCoMKgwqDC oCA0MDUwMzrCoMKgwqAgL3Vzci9saWI2NC9saWJuc3Nfc3NzLnNvLjI6IGVycm9yOiBzeW1ib2wg bG9va3VwIGVycm9yOiB1bmRlZmluZWQgc3ltYm9sOiBfbnNzX3Nzc19lbmRldGhlcmVudCAoZmF0 YWwpDQoNCkkgc2VlLiAgSWYgd2Ugd2FudCB0byBtYWtlIHRoZSBjaGFuZ2UsIHdlIHdvdWxkIGhh dmUgdG8gdHdlYWsNCl9kbF9zaWduYWxfY2V4Y2VwdGlvbiwgbm90IHJlbW92ZSB0aGUgY2FsbCB0 byBpdC4gIEJ1dCBJJ20gbm90IHN1cmUgaWYNCnRoaXMga2luZCBvZiBjaGFuZ2Ugd291bGQgYmUg YXBwcm9wcmlhdGUgZm9yICJsaWJzIi4gIE1heWJlIHdlIGNhbiBhZGQgYQ0KbmV3IExEX0RFQlVH IHZhcmlhbnQgdGhhdCBwcmludHMgbW9yZSB1c2VmdWwgaW5mb3JtYXRpb24uDQoNCkluIG15IGV4 cGVyaWVuY2UsIGxkLnNvIHRyYWNlIG91dHB1dCBpc24ndCB0aGF0IGhlbHBmdWwgdG9kYXkgZm9y DQpkaXNjb3ZlcmluZyByb290IGNhdXNlcyBvZiByZWFsIGlzc3Vlcywgc28gSSdkIHdlbGNvbWUg Y29uY3JldGUNCnByb3Bvc2FscyBmb3IgaW1wcm92ZW1lbnRzLg0KDQpUaGFua3MsDQpGbG9yaWFu DQo=