From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 28187 invoked by alias); 23 Jun 2017 11:17:51 -0000 Mailing-List: contact libabigail-help@sourceware.org; run by ezmlm Precedence: bulk List-Post: List-Help: List-Id: List-Subscribe: Sender: libabigail-owner@sourceware.org Received: (qmail 27532 invoked by uid 48); 23 Jun 2017 11:17:46 -0000 From: "dodji at redhat dot com" To: libabigail@sourceware.org Subject: [Bug default/21629] [dodji/kabidiff branch] Libabigail fails to ensure that two equivalent DIEs must be of the same DIE source Date: Sun, 01 Jan 2017 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: normal X-Bugzilla-Who: dodji at redhat 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: bug_status short_desc 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: 2017-q2/txt/msg00099.txt.bz2 https://sourceware.org/bugzilla/show_bug.cgi?id=3D21629 dodji at redhat dot com changed: What |Removed |Added ---------------------------------------------------------------------------- Status|NEW |ASSIGNED Summary|[dodji/kabidiff branch] |[dodji/kabidiff branch] |fedabipkgdiff fails on |Libabigail fails to ensure |evolution-data-server in |that two equivalent DIEs |fc25 |must be of the same DIE | |source --- Comment #1 from dodji at redhat dot com --- A prerequisite to represent the relationship "DIE 'D' has canonical DIE C",= is that D and C come from the same DIE source. A DIE source being either the = main debug info file, the alternate debug info file (both having DIEs in their .debug_info section), or a .debug_type section. This prerequisite is a result of the design of the current libabigail's DWA= RF reader. The problem in this issue is that the code that compares DIEs and that upda= tes the canonical DIEs of the compared DIEs (in case the two DIEs are equivalen= t) sometimes fails to honour that prerequisite, causing other troubles down the road. This is in the compare_dies function, in abg-dwarf-reader.cc. --=20 You are receiving this mail because: You are on the CC list for the bug.