title: where is amd64 psABI?
body: <p>The AMD64 psABI used to be hosted at x86-64.org.</p>
  
  <p>I have a copy of pdf file and it says explicitly:</p>
  
  <blockquote>
    <p>The architecture specification is available on the web at
    <a href="http://www.x86-64.org/documentation" rel="noreferrer">http://www.x86-64.org/documentation</a>.</p>
  </blockquote>
  
  <p>but <a href="http://www.x86-64.org" rel="noreferrer">http://www.x86-64.org</a> is down for a long time already. Several months at least.</p>
  
  <p>Does anyone know where the latest psABI can be taken from?</p>