From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 3911 invoked by alias); 20 Jul 2016 16:53:56 -0000 Mailing-List: contact libabigail-help@sourceware.org; run by ezmlm Precedence: bulk List-Post: List-Help: List-Subscribe: Sender: libabigail-owner@sourceware.org Received: (qmail 3826 invoked by uid 48); 20 Jul 2016 16:53:43 -0000 From: "andrew.c.morrow at gmail dot com" To: libabigail@sourceware.org Subject: [Bug default/20369] Support DW_TAG_type_unit Date: Fri, 01 Jan 2016 00:00:00 -0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: libabigail X-Bugzilla-Component: default X-Bugzilla-Version: unspecified X-Bugzilla-Keywords: X-Bugzilla-Severity: enhancement X-Bugzilla-Who: andrew.c.morrow at gmail dot com X-Bugzilla-Status: ASSIGNED X-Bugzilla-Resolution: X-Bugzilla-Priority: P2 X-Bugzilla-Assigned-To: dodji at redhat dot com X-Bugzilla-Target-Milestone: --- X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: 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-SW-Source: 2016-q3/txt/msg00072.txt.bz2 https://sourceware.org/bugzilla/show_bug.cgi?id=3D20369 --- Comment #14 from andrew.c.morrow at gmail dot com --- Well, based on libbase.so.bad (built with -fdebug-types-sections) and libbase.so.good (built without) attached in this bug, it looks like using -fdebug-types-sections shaved off about .4MB from the total file, so about a 10% reduction, which isn't nothing. I'd not heard that -fdebug-types-sections was disfavored, nor have I done a careful investigation of what it may save at linker runtime (we are using ld.gold, btw). As I mentioned elsewhere, I am also experimenting with -Wl,--compress-debug-sections=3Dzlib-gabi, which I think is more or less th= e same thing as using 'dwz'. The improvements there are quite nice. I definitely haven't looked into the combined effects of compresing the deb= ug info and -fdebug-types-section. It might be interesting to compare the four combinations. In any event, -fdebug-types-sections is a documented GCC option that certai= nly looks like a good thing to use, so I'd expect at least some projects to use= it in the wild, in which case I think libabigail should be able to tolerate it. --=20 You are receiving this mail because: You are on the CC list for the bug.