From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 50765 invoked by alias); 29 Jun 2017 17:28:42 -0000 Mailing-List: contact gdb-help@sourceware.org; run by ezmlm Precedence: bulk List-Id: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: gdb-owner@sourceware.org Received: (qmail 50747 invoked by uid 89); 29 Jun 2017 17:28:40 -0000 Authentication-Results: sourceware.org; auth=none X-Virus-Found: No X-Spam-SWARE-Status: No, score=-1.9 required=5.0 tests=BAYES_00,RP_MATCHES_RCVD,SPF_HELO_PASS autolearn=ham version=3.3.2 spammy=promising, Hx-languages-length:643 X-Spam-User: qpsmtpd, 2 recipients X-HELO: mx1.redhat.com Received: from mx1.redhat.com (HELO mx1.redhat.com) (209.132.183.28) by sourceware.org (qpsmtpd/0.93/v0.84-503-g423c35a) with ESMTP; Thu, 29 Jun 2017 17:28:39 +0000 Received: from smtp.corp.redhat.com (int-mx06.intmail.prod.int.phx2.redhat.com [10.5.11.16]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id BEC8583F3F; Thu, 29 Jun 2017 17:28:37 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mx1.redhat.com BEC8583F3F Authentication-Results: ext-mx03.extmail.prod.ext.phx2.redhat.com; dmarc=none (p=none dis=none) header.from=redhat.com Authentication-Results: ext-mx03.extmail.prod.ext.phx2.redhat.com; spf=pass smtp.mailfrom=palves@redhat.com DKIM-Filter: OpenDKIM Filter v2.11.0 mx1.redhat.com BEC8583F3F Received: from [127.0.0.1] (ovpn04.gateway.prod.ext.ams2.redhat.com [10.39.146.4]) by smtp.corp.redhat.com (Postfix) with ESMTP id 663C383DE0; Thu, 29 Jun 2017 17:28:25 +0000 (UTC) Subject: Re: [RFC PATCH 0/3] Pretty-printing for errno To: Phil Muldoon , Zack Weinberg , libc-alpha@sourceware.org, gdb@sourceware.org References: <20170622224456.1358-1-zackw@panix.com> <3a7946e9-d178-f878-9774-64ff44bcf5df@redhat.com> <9490d183-a57b-b336-3131-6580e4773818@redhat.com> Cc: joseph@codesourcery.com, fweimer@redhat.com, tom@tromey.com, siddhesh@gotplt.org From: Pedro Alves Message-ID: Date: Thu, 29 Jun 2017 17:28:00 -0000 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.4.0 MIME-Version: 1.0 In-Reply-To: <9490d183-a57b-b336-3131-6580e4773818@redhat.com> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-SW-Source: 2017-06/txt/msg00044.txt.bz2 On 06/29/2017 06:02 PM, Pedro Alves wrote: > I suspect we can do that by making "whatis" look at the top of > the expression tree, see if it's an OP_TYPE: That works: With this code: typedef int zzz; zzz z; gdb: (gdb) whatis z type = zzz (gdb) whatis (zzz)0 type = zzz (gdb) whatis zzz type = int and at least make check TESTS="*/whatis*.exp */*ptype*.exp" passes, which is promising. Haven't tried this against a printer, but I think it should start working. We may need OP_SCOPE too. I'll try running this against the full gdb testsuite, and write some test. Thanks, Pedro Alves