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August 08, 2014

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Say hello to x64 Assembly [part 1]

Introduction There are many developers between us. We write a tons of code every day. Sometime, it is even not a bad code :) Every of us can easily write the simplest code like this: Every of us can understand what's this C code does. But... How this code works at low level? I think that not all of us can answer on this question, and me too. I thought that i can write code on high level programming languages like Haskell, Erlang, Go and etc..., but i absolutely don't know how it works at low level, after compilation. So I decided to take a few deep steps down, to assembly, and to describe my learning way about this. Hope it will be interesting, not only for me. Something about 5 - 6 years ago I already used assembly for writing simple programs, it was in university and i used Turbo assembly and DOS operating system. Now I use Linux-x86-64 operating system. Yes, must be big difference between Linux 64 bit and DOS 16 bit. So let's start.

Say hello to x64 Assembly [part 2]

Say hello to x64 Assembly [part 2] Some days ago I wrote the first blog post - introduction to x64 assembly - Say hello to x64 Assembly [part 1] which to my surprise caused great interest: It motivates me even more to describe my way of learning. During this days I got many feedback from different people. There were many grateful words, but what is more important for me, there were many advices and adequate critics. Especially I want to say thank you words for great feedback to: Fiennes Grienders nkurz And all who took a part in discussion at Reddit and Hacker News. There were many opinions, that first part was a not very clear for absolute beginner, that's why i decided to write more informative posts. So, let's start with second part of Say hello to x64 assembly .

Say hello to x64 Assembly [part 3]

Stack Some time ago i started to write a series of posts about assembly x64 programming. It is third part and it will be about stack. The stack is special region in memory (built into the CPU), which operates on the principle lifo (Last Input, First Output).

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