From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 5135 invoked by alias); 18 Feb 2014 13:08:50 -0000 Mailing-List: contact gcc-bugs-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Id: List-Archive: List-Post: List-Help: Sender: gcc-bugs-owner@gcc.gnu.org Received: (qmail 5018 invoked by uid 48); 18 Feb 2014 13:08:47 -0000 From: "jan.kratochvil at redhat dot com" To: gcc-bugs@gcc.gnu.org Subject: [Bug sanitizer/60142] [4.9 Regression][asan] -fsanitize=address breaks debugging - stepping into functions no longer possible Date: Tue, 18 Feb 2014 13:08:00 -0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: sanitizer X-Bugzilla-Version: 4.9.0 X-Bugzilla-Keywords: wrong-debug X-Bugzilla-Severity: normal X-Bugzilla-Who: jan.kratochvil at redhat dot com X-Bugzilla-Status: UNCONFIRMED X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org X-Bugzilla-Target-Milestone: 4.9.0 X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit X-Bugzilla-URL: http://gcc.gnu.org/bugzilla/ Auto-Submitted: auto-generated MIME-Version: 1.0 X-SW-Source: 2014-02/txt/msg01832.txt.bz2 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60142 --- Comment #6 from Jan Kratochvil --- (In reply to Jakub Jelinek from comment #5) > as in the case of the varargs x86_64 function that might need > saving xmm registers, [...] > So, does GDB have a > disassemble matcher for the ... prologue, or does that fail too? For the XMM registers saving block there is prologue matching workaround of GCC: https://sourceware.org/git/?p=binutils-gdb.git;a=commitdiff;h=df15bd07dfd59a5176e0fa7699ab1179205491d9