<br><br><div class="gmail_quote">On Mon, Oct 18, 2010 at 2:50 PM, Andres Valloud <span dir="ltr"><<a href="mailto:avalloud@smalltalk.comcastbiz.net">avalloud@smalltalk.comcastbiz.net</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">
<div class="im">On 10/18/10 10:31 , Jecel Assumpcao Jr. wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
We have had several discussions about the tags in Squeak. xxxxxx1 is a<br>
SmallInteger and xxxxxx00 is an object pointer, but xxxxxx10 is not<br>
generally used.<br>
</blockquote>
<br></div>
How does the mark and sweep GC handle mark stack overflows? Is there a bit in the object header for that?<br></blockquote><div><br></div><div>The Squeak GC uses a pointer-reversal algorithm for marking and so is immune to mark stack overflow. </div>
<div><br></div><div>cheers,</div><div>Eliot</div><div><br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;"><font color="#888888">
<br>
Andres.<br>
<br>
</font></blockquote></div><br>