<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body dir="auto"><div>So the "zero-cost exception model" is the new feature?<br><br>Sent from my iPad</div><div><br>On Oct 11, 2013, at 2:05 AM, Jean-Daniel Dupas <<a href="mailto:devlists@shadowlab.org">devlists@shadowlab.org</a>> wrote:<br><br></div><blockquote type="cite"><div><meta http-equiv="Content-Type" content="text/html charset=iso-8859-1">While using zero-cost exception model, unwinding is done at runtime by parsing and interpreting external exception tables.<div>The code to perform such task is not part of the language nor it is generated by the compiler. You have to use some external library (like libunwind or now libcxxabi) to perform such task.</div><div><br></div><div><div><div><div>Le 11 oct. 2013 à 00:23, James Gregurich <<a href="mailto:bayoubengal@mac.com">bayoubengal@mac.com</a>> a écrit :</div><br class="Apple-interchange-newline"><blockquote type="cite"><meta http-equiv="Content-Type" content="text/html charset=iso-8859-1"><div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><div>Could you elaborate on the practical significance of this change? Stack unwinding is a fundamental part of C++. It doesn't make sense that it be just added to the system. Therefore, I must not understand what you are talking about.</div><div><br></div><div><br></div><br><div><div>On Oct 10, 2013, at 3:14 PM, Jean-Daniel Dupas <<a href="mailto:devlists@shadowlab.org">devlists@shadowlab.org</a>> wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite"><span style="font-family: Helvetica; font-size: inherit; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: -webkit-auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; float: none; display: inline !important;"> libcxxabi now included unwind support </span></blockquote></div><br></div>_______________________________________________<br>cfe-dev mailing list<br><a href="mailto:cfe-dev@cs.uiuc.edu">cfe-dev@cs.uiuc.edu</a><br><a href="http://lists.cs.uiuc.edu/mailman/listinfo/cfe-dev">http://lists.cs.uiuc.edu/mailman/listinfo/cfe-dev</a><br></blockquote></div><br><div>
<span class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); font-family: Helvetica; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; "><div>-- Jean-Daniel</div><div><br></div><div><br></div></span><br class="Apple-interchange-newline">
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