64-ia-32-architectures-software-developer-manual-325462.pdf : http://www.intel.com/content/dam/www/public/us/en/documents/manuals/64-ia-32-architectures-software-developer-manual-325462.pdf 319433-019.pdf : https://software.intel.com/sites/default/files/managed/68/8b/319433-019.pdf fischer-smep.pdf: https://www.ncsi.com/nsatc11/presentations/wednesday/emerging_technologies/fischer.pdf