@TechReport{abadi+:cfi-theory-TR, author = {Mart\'{i}n Abadi and Mihai Budiu and \'{U}lfar Erlingsson and Jay Ligatti}, title = {A Theory of Secure Control Flow}, institution = {Microsoft Research}, year = {2005}, number = {MSR-TR-2005-17}, month = jan, url = {http://www.cs.princeton.edu/~jligatti/papers/MSR-TR-2005-17.pdf} }