Practical Examples and Debugging: Testing with Disassemblers and objdump

Testing is a critical phase in assembler development. Verifying that the output machine code matches the intended instructions ensures correctness and...

Practical Examples and Debugging: Encoding Debugger: Step Through Assembly → Machine Code

An essential tool for developing and debugging an x86-64 assembler is an encoding debugger—a specialized utility that enables the developer to step ...

Quantum Processors: A Fundamental Difference from Classical Architectures (x86, ARM, RISC-V)

Since the invention of computers, classical processors (like x86, ARM, and RISC-V) have gradually evolved to become smaller, faster, and more efficien...

Practical Examples and Debugging: Building Step-by-Step with Makefiles.

When developing an x86-64 assembler in C/C++, managing the build process effectively is essential to streamline compilation, facilitate incremental bu...

Practical Examples and Debugging : Writing a Full Sample Assembler in C/C++

Designing and implementing a full assembler in C or C++ is an excellent practical exercise to consolidate the understanding of assembler architecture,...

Assembler Internals: Design Decisions -> Custom Directives and Instruction Macros

 1. Introduction Custom directives and instruction macros are powerful features within assembler design that enhance expressiveness, flexibility, and...

Assembler Internals: Design Decisions -> Label Resolution and PC-Relative Addressing

 1. Overview Label resolution and PC-relative addressing are critical components in the design of an x86-64 assembler, deeply affecting code generati...

Assembler Internals: Design Decisions -> Symbol Resolution Strategies

 1. Introduction Symbol resolution is a fundamental process within an assembler responsible for mapping symbolic names—such as labels, variables, a...

Assembler Internals: Design Decisions -> Macro Processors and Performance Tradeoffs

 1. Introduction Macro processing is a powerful feature in assemblers that allows programmers to define reusable code templates or macros, which can ...

Assembler Internals: Design Decisions -> One-pass vs Two-pass Assemblers

 1. Introduction A fundamental design decision when creating an assembler is choosing between a one-pass or two-pass architecture. This choice signif...

Object File Generation : Creating Relocatable Object Files -> Using Libraries (e.g., libelf, LLD) to Assist

 Introduction Developing a complete assembler capable of producing valid relocatable object files compliant with ELF specifications involves signific...

Object File Generation : Creating Relocatable Object Files -> ELF32 vs ELF64 Differences

 1. Introduction When designing an assembler targeting x86-64 architectures, understanding the distinctions between the 32-bit ELF (ELF32) and 64-bit...