From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 19734 invoked by alias); 19 Dec 2013 16:45:18 -0000 Mailing-List: contact gdb-patches-help@sourceware.org; run by ezmlm Precedence: bulk List-Id: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: gdb-patches-owner@sourceware.org Received: (qmail 19630 invoked by uid 89); 19 Dec 2013 16:45:18 -0000 Authentication-Results: sourceware.org; auth=none X-Virus-Found: No X-Spam-SWARE-Status: No, score=-3.4 required=5.0 tests=AWL,BAYES_00,RP_MATCHES_RCVD autolearn=ham version=3.3.2 X-HELO: mga02.intel.com Received: from mga02.intel.com (HELO mga02.intel.com) (134.134.136.20) by sourceware.org (qpsmtpd/0.93/v0.84-503-g423c35a) with ESMTP; Thu, 19 Dec 2013 16:45:17 +0000 Received: from orsmga001.jf.intel.com ([10.7.209.18]) by orsmga101.jf.intel.com with ESMTP; 19 Dec 2013 08:45:10 -0800 X-ExtLoop1: 1 Received: from irvmail001.ir.intel.com ([163.33.26.43]) by orsmga001.jf.intel.com with ESMTP; 19 Dec 2013 08:45:02 -0800 Received: from ulvlx001.iul.intel.com (ulvlx001.iul.intel.com [172.28.207.17]) by irvmail001.ir.intel.com (8.14.3/8.13.6/MailSET/Hub) with ESMTP id rBJGj1NP026063; Thu, 19 Dec 2013 16:45:01 GMT Received: from ulvlx001.iul.intel.com (localhost [127.0.0.1]) by ulvlx001.iul.intel.com with ESMTP id rBJGj1tR029865; Thu, 19 Dec 2013 17:45:01 +0100 Received: (from mmetzger@localhost) by ulvlx001.iul.intel.com with œ id rBJGj1Vh029861; Thu, 19 Dec 2013 17:45:01 +0100 From: Markus Metzger To: jan.kratochvil@redhat.com, palves@redhat.com Cc: gdb-patches@sourceware.org Subject: [PATCH v9 18/29] frame: do not assume unwinding will succeed Date: Thu, 19 Dec 2013 16:45:00 -0000 Message-Id: <1387471499-29444-19-git-send-email-markus.t.metzger@intel.com> In-Reply-To: <1387471499-29444-1-git-send-email-markus.t.metzger@intel.com> References: <1387471499-29444-1-git-send-email-markus.t.metzger@intel.com> X-IsSubscribed: yes X-SW-Source: 2013-12/txt/msg00759.txt.bz2 In get_frame_unwind_stop_reason, remove the assumption that further frame unwinding will succeed. gdb/ 2013-02-11 Jan Kratochvil * frame.c (get_frame_unwind_stop_reason): Unconditionally call get_prev_frame_1. --- gdb/frame.c | 9 +++------ 1 file changed, 3 insertions(+), 6 deletions(-) diff --git a/gdb/frame.c b/gdb/frame.c index 8facdc00..8dd4714 100644 --- a/gdb/frame.c +++ b/gdb/frame.c @@ -2533,13 +2533,10 @@ get_frame_sp (struct frame_info *this_frame) enum unwind_stop_reason get_frame_unwind_stop_reason (struct frame_info *frame) { - /* If we haven't tried to unwind past this point yet, then assume - that unwinding would succeed. */ - if (frame->prev_p == 0) - return UNWIND_NO_REASON; + /* Fill-in STOP_REASON. */ + get_prev_frame_1 (frame); + gdb_assert (frame->prev_p); - /* Otherwise, we set a reason when we succeeded (or failed) to - unwind. */ return frame->stop_reason; } -- 1.8.3.1