Master LLVM IR in this hands-on tutorial. Learn SSA form, basic blocks, and PHI nodes with real Clang output and Godbolt examples — from C to IR to x86-64 and ARM64.
LLVM IR Tutorial: The Hidden Language Between Your C Code and Assembly Read Post »
Learn how a compiler lexer and parser transform C source into tokens and ASTs. Hands-on with Clang’s -dump-tokens and -ast-dump across real examples.
Compiler Lexer & Parser Demystified: How Compilers Read Your C Code Read Post »
Trace the complete C compilation process from source code to executable binary. See each stage — preprocessing, compilation, assembly, and linking — with real GCC and Clang output across x86-64 and ARM64.
How a C Program Becomes Machine Code: The 6-Stage C Compilation Process Explained Read Post »
Understanding the bridge between your code and the kernel is the final key to demystifying how software works. Up to
Build a Debugger from Scratch: Ultimate 3 OS Guide (Part 8) Read Post »
How does your program actually *do* anything? We dive deep into the `syscall` instruction, kernel mode transitions, and the differences between Linux, macOS, and Windows system calls.
System Calls Demystified: 4 Essential Facts About the User-Kernel Bridge Read Post »
How does code call functions that aren’t there yet? We dive deep into the Global Offset Table (GOT), Procedure Linkage Table (PLT), and the lazy binding dance.
Dynamic Linking & Relocations: How the GOT and PLT Work Read Post »
Curious about process loading? We trace the journey from disk to execution, covering the OS loader, ASLR, and dynamic linking on Linux, macOS, and Windows.
Process Loading & Creation: The Life of a Binary Read Post »
In Part 3 of this series, we examined how functions organize themselves on the stack. But before a program can
Executable File Formats: ELF, PE, and Mach-O Explained Read Post »
Master stack frame prologue and epilogue patterns across x86-64 and ARM64 architectures. Learn how function calls work at the assembly level on Linux, macOS, and Windows.
Stack Frames & Function Prologues Demystified: x86-64 & ARM64 Guide Read Post »
Learn x86-64 and ARM64 calling conventions across Linux, macOS, and Windows. Master parameter passing, stack frames, and register preservation with hands-on assembly examples.
x86-64 & ARM64 Calling Conventions Demystified Read Post »
