From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 18713 invoked by alias); 26 Aug 2003 20:10:59 -0000 Mailing-List: contact gdb-patches-help@sources.redhat.com; run by ezmlm Precedence: bulk List-Subscribe: List-Archive: List-Post: List-Help: , Sender: gdb-patches-owner@sources.redhat.com Received: (qmail 18703 invoked from network); 26 Aug 2003 20:10:58 -0000 Received: from unknown (HELO mx1.redhat.com) (66.187.233.31) by sources.redhat.com with SMTP; 26 Aug 2003 20:10:58 -0000 Received: from int-mx1.corp.redhat.com (int-mx1.corp.redhat.com [172.16.52.254]) by mx1.redhat.com (8.11.6/8.11.6) with ESMTP id h7QKAwl30044 for ; Tue, 26 Aug 2003 16:10:58 -0400 Received: from pobox.corp.redhat.com (pobox.corp.redhat.com [172.16.52.156]) by int-mx1.corp.redhat.com (8.11.6/8.11.6) with ESMTP id h7QKAus29631; Tue, 26 Aug 2003 16:10:56 -0400 Received: from localhost.localdomain (vpn50-17.rdu.redhat.com [172.16.50.17]) by pobox.corp.redhat.com (8.12.8/8.12.8) with ESMTP id h7QKAuTN012352; Tue, 26 Aug 2003 16:10:56 -0400 Received: (from kev@localhost) by localhost.localdomain (8.11.6/8.11.6) id h7QKAo726619; Tue, 26 Aug 2003 13:10:50 -0700 Date: Tue, 26 Aug 2003 20:10:00 -0000 From: Kevin Buettner Message-Id: <1030826201050.ZM26618@localhost.localdomain> In-Reply-To: "J. Johnston" "ia64 patch to handle predicated insns in prologue" (Aug 26, 2:30pm) References: <3F4BA737.7030805@redhat.com> To: "J. Johnston" , gdb-patches@sources.redhat.com Subject: Re: ia64 patch to handle predicated insns in prologue MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-SW-Source: 2003-08/txt/msg00457.txt.bz2 On Aug 26, 2:30pm, J. Johnston wrote: > The accompanying patch handles a bug in backtracing through glibc's sleep. > The compiler generates some predicated insns prior to saving the return register > b0 into a register stack register. The current code stops when it sees a > predicated insn. The change makes the prologue examination stop only if the > function is frameless or we have already seen the return register. > > This removes a number of failures in gdb.threads caused when we catch another > thread in sleep and we try and backtrace. > > Ok to commit? Okay. Thanks again, Kevin