Difference between x86, x32, and x64 architectures?
Sep 19, 2015 · Please explain the difference between x86, x32 and x64? Its a bit confusing when it comes to x86 and x32 because most of the time 32-bit programs run on x86... Related/possible …
C# - How to get Program Files (x86) on Windows 64 bit
On Windows XP and 32-bit versions of Windows Vista this works fine. However, on x64 Windows Vista the code returns the x64 Program Files folder, whereas the application is installed in Program Files …
x86 - What does ORG Assembly Instruction do? - Stack Overflow
Aug 4, 2010 · can anyone give me a comprehensive description about ORG directive? When and why is it used in assembly written applications? Using Nasm on x86 or AMD64.
How to tell the length of an x86 instruction? - Stack Overflow
Writing an x86 disassembler is a very challenging task. There is no simple rule to know how long an instruction is as there is no system for which opcode receives what operands. Prefixes make this …
What do square brackets mean in x86 assembly? - Stack Overflow
Feb 4, 2018 · In x86 assembly some registers can be used as data registers or as address registers (a difference to other architectures). These registers are called GPRs ("General Purpose Registers"). …
x86 - assembly to compare two numbers - Stack Overflow
Jul 14, 2009 · In TASM (x86 assembly) it can look like this: cmp BL, BH je EQUAL ; BL = BH jg GREATER ; BL > BH jmp LESS ; BL < BH in this case it compares two 8bit numbers that we …
x86 - What’s the difference between EAX, EBX, and ECX in assembly ...
Nov 14, 2019 · eax, ebx, ecx and so on are actually registers, which can be seen as "hardware" variables, somewhat similar to higher level-language's variables. Registers can be used in your …
What registers are preserved through a linux x86-64 function call
Feb 4, 2024 · I believe I understand how the linux x86-64 ABI uses registers and stack to pass parameters to a function (cf. previous ABI discussion). What I'm confused about is if/what registers …
x86 - MUL function in assembly - Stack Overflow
Nov 30, 2020 · I am trying to execute simple multiplication in Assembly. However, I do not see the registers change when the MUL function is called. mov bx, 5 mov cx, 10 mul cx
Where is the x86-64 System V ABI documented? - Stack Overflow
Aug 8, 2013 · The x32 ABI (32-bit pointers in long mode) is part of the x86-64 aka AMD64 ABI doc. See Chapter 10: ILP32 Programming Model. The GitLab repo auto-builds a PDF of the current x86-64 …