Hello, I am sorry if my doubt is not appropriate here. A line from linux source is: movl $1f, %1 /*Save EIP*/ May anyone explain me how this instruction saves EIP? (%1 is the structure member holding eip). My doubt is, what is this $1f and how it copies eip to %1. With Regards. Srinivasan ________________________________________________________________________ Yahoo! India Insurance Special: Be informed on the best policies, services, tools and more. Go to: http://in.insurance.yahoo.com/licspecial/index.html