Top "Att" questions

Declaring Arrays In x86 Assembly

I am learning Assembly and I need to make a large array. I have looked around at how to declare …

arrays assembly x86 nasm att

What does the bracket in `movl (%eax), %eax` mean?

I have googled enough but could not figure out what the bracket () means. Also, I see some syntax as movl 8(%…

assembly x86 gnu-assembler att addressing-mode

What do the dollar ($) and percentage (%) signs represent in x86 assembly?

I am trying to understand how the assembly language works for a micro-computer architecture class, and I keep facing different …

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The difference between mov and movl instruction in X86? and I meet some trouble when reading assembly

Recently, I read some books about computer science. I wrote some C code, and disassembled them, using gcc and objdump. …

gcc assembly x86 att objdump

lea assembly instruction

I Just want to make sure I am reading this right: movl 12(%ebp), %edx leal (%edx, %edx, 4), %eax I read …

assembly x86 att addressing-mode

NASM Vs GAS (Practical differences)

I'm not trying to prompt an Intel vs AT&T war (moot point anyway, now that they both support …

assembly x86 nasm gnu-assembler att

assembly cltq and movslq difference

Chapter 3 of Computer Systems A Programmer's Perspective (2nd Edition) mentions that cltq is equivalent to movslq %eax, %rax. Why did …

assembly x86 x86-64 att sign-extension

Embed URL Link in SMS via PHP

Is there a way I can embed a URL link i.e. <a href='www.google.com'>google&…

php url sms att

Appending two string in x86 assembly

I'm currently working on an assignment in AT&T Assembly and now I have to append two strings: message: .…

string x86 string-concatenation att

mov instruction in x86 assembly

From what I've read about mov, it copies the second argument into the first argument. Then, what does this do? …

assembly x86 att mov