From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 19289 invoked by alias); 19 Dec 2013 16:45:16 -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 19191 invoked by uid 89); 19 Dec 2013 16:45:15 -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 16:45:14 +0000 Received: from orsmga001.jf.intel.com ([10.7.209.18]) by orsmga101.jf.intel.com with ESMTP; 19 Dec 2013 08:45:09 -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 rBJGj1ah026062; 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 rBJGj119029858; Thu, 19 Dec 2013 17:45:01 +0100 Received: (from mmetzger@localhost) by ulvlx001.iul.intel.com with œ id rBJGj1fG029840; 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 17/29] frame, cfa: check unwind stop reason first Date: Thu, 19 Dec 2013 16:45:00 -0000 Message-Id: <1387471499-29444-18-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/msg00773.txt.bz2 Swap the unwind stop reason check and the unwinder check to allow non-dwarf2 frame types to fail with a recoverable error. gdb/ 2013-02-11 Jan Kratochvil * dwarf2-frame.c (dwarf2_frame_cfa): Move UNWIND_UNAVAILABLE check earlier. --- gdb/dwarf2-frame.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/gdb/dwarf2-frame.c b/gdb/dwarf2-frame.c index 91b2120..adad2dc 100644 --- a/gdb/dwarf2-frame.c +++ b/gdb/dwarf2-frame.c @@ -1512,16 +1512,16 @@ dwarf2_frame_cfa (struct frame_info *this_frame) { while (get_frame_type (this_frame) == INLINE_FRAME) this_frame = get_prev_frame (this_frame); + if (get_frame_unwind_stop_reason (this_frame) == UNWIND_UNAVAILABLE) + throw_error (NOT_AVAILABLE_ERROR, + _("can't compute CFA for this frame: " + "required registers or memory are unavailable")); /* This restriction could be lifted if other unwinders are known to compute the frame base in a way compatible with the DWARF unwinder. */ if (!frame_unwinder_is (this_frame, &dwarf2_frame_unwind) && !frame_unwinder_is (this_frame, &dwarf2_tailcall_frame_unwind)) error (_("can't compute CFA for this frame")); - if (get_frame_unwind_stop_reason (this_frame) == UNWIND_UNAVAILABLE) - throw_error (NOT_AVAILABLE_ERROR, - _("can't compute CFA for this frame: " - "required registers or memory are unavailable")); return get_frame_base (this_frame); } -- 1.8.3.1