X-Recipient: archive-cygwin@delorie.com X-Spam-Check-By: sourceware.org From: "Dave Korn" To: References: <20070905080321.29259AB0.matsuoka@mol.nagoya-u.ac.jp> <46DE0C86.61C0ABB0@dessent.net> <46DFFE96.70907@ajrh.net> <46E006AB.F600C446@dessent.net> <46E0D4F7.1050006@ajrh.net> <46E146D0.9C1F7289@dessent.net> <01e501c7f154$2ff08ff0$2e08a8c0@CAM.ARTIMI.COM> <46E155A7.8E3B6034@dessent.net> Subject: RE: Slowness problem due to sjlj-exceptions for Octave Date: Fri, 7 Sep 2007 15:13:13 +0100 Message-ID: <01f401c7f159$3a2b7b60$2e08a8c0@CAM.ARTIMI.COM> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit X-Mailer: Microsoft Office Outlook 11 In-Reply-To: <46E155A7.8E3B6034@dessent.net> Mailing-List: contact cygwin-help@cygwin.com; run by ezmlm Precedence: bulk List-Id: List-Unsubscribe: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: cygwin-owner@cygwin.com Mail-Followup-To: cygwin@cygwin.com Delivered-To: mailing list cygwin@cygwin.com On 07 September 2007 14:44, Brian Dessent wrote: > Dave Korn wrote: > >> Does anyone know how MSVC handles unwinding through API frames? > > MSVC implements C++ exception handling with SEH. And there is/was a > GSoC project to port SEH to gcc, but I don't know if it went anywhere. Right, so IOW, the SEH support does all the required unwinding for us. Ultimately I guess that's the only solution that's going to be both complete and correct. (The only other thing I could even imagine would be some kind of hideous .pdb abuse using the M$ official symbol files to extract the frame and FPO information for frames in API functions...) cheers, DaveK -- Can't think of a witty .sigline today.... -- Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple Problem reports: http://cygwin.com/problems.html Documentation: http://cygwin.com/docs.html FAQ: http://cygwin.com/faq/