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 6AD093853D76 for ; Fri, 18 Nov 2022 15:41:35 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org 6AD093853D76 Authentication-Results: sourceware.org; dmarc=pass (p=none dis=none) header.from=redhat.com Authentication-Results: sourceware.org; spf=pass smtp.mailfrom=redhat.com DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1668786095; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=eh4Zr/aLN+5Jr1o93hCsfKDHm8pnq7c7+hXaszXBCqE=; b=Jd7HAKs6I2emN0Cn0A1oSvlJ5ige6BejUraiG/37IVTfb7EmGyBuObZnTWPtPzuMgONNwF W0bQ4PtmCCMDwJ3+yl4wlJ76U5hgAwY8h+xQRbIxWvynQ+P14PoJ2tC0jSq40SJHxS9gs5 PcU9nk2fmZOospLXhbH+9ummZIgCaw4= Received: from mimecast-mx02.redhat.com (mimecast-mx02.redhat.com [66.187.233.88]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-657-PvqpFVR1NYm3aHYf66knMQ-1; Fri, 18 Nov 2022 10:41:33 -0500 X-MC-Unique: PvqpFVR1NYm3aHYf66knMQ-1 Received: from smtp.corp.redhat.com (int-mx09.intmail.prod.int.rdu2.redhat.com [10.11.54.9]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 7A3B4101A52A; Fri, 18 Nov 2022 15:41:33 +0000 (UTC) Received: from redhat.com (unknown [10.2.16.25]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 6714A477F55; Fri, 18 Nov 2022 15:41:33 +0000 (UTC) Received: from [127.0.0.1] (helo=vm-rhel7) by redhat.com with esmtp (Exim 4.94.2) (envelope-from ) id 1ow3Ug-0000fS-13; Fri, 18 Nov 2022 10:41:30 -0500 From: fche@redhat.com (Frank Ch. Eigler) To: Yibin Zhao Cc: systemtap@sourceware.org Subject: Re: How to translate from user space symbol name to address? References: Date: Fri, 18 Nov 2022 10:41:30 -0500 In-Reply-To: (Yibin Zhao via Systemtap's message of "Wed, 9 Nov 2022 17:58:18 +0800") Message-ID: <87y1s8jmmt.fsf@redhat.com> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.3 (gnu/linux) MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.1 on 10.11.54.9 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain X-Spam-Status: No, score=-7.7 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH,DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_NONE,RCVD_IN_MSPIKE_H2,SPF_HELO_NONE,SPF_NONE,TXREP autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on server2.sourceware.org List-Id: Yibin Zhao via Systemtap writes: > I can get the ubacktrace and translate the addresses to symbols one by > one, and try to find the relationship between the symbol and the > address, but it's a bit tricky I think. We don't have a runtime tapset function for that direction of mapping, but a new one could be written, whether slowish/linear, or sorted/binary like the address-to-symbol table. - FChE