Learming Assembly

Goals

• Learn lower level software concepts.

Project Content

• /programming_ground_up abandoned - Progress through the book "Programming from the ground up"
• /ltpwa complete - Progress through the book "Learn to Program with Assembly"
• /projects/allocator complete "enough"
• /projects/compiler - coming soon?

Assembly Project Ideas

• Generate a binary executable by hand
  • https://oswalt.dev/2020/11/anatomy-of-a-binary-executable/
  • https://www.youtube.com/watch?v=1VnnbpHDBBA
  • https://www.youtube.com/watch?v=nC1U1LJQL8o
• Sorting algorithms
• Game of life
• Polish notation processor
• Brainfuck interpreter
• Find information about environment
  • Env vars
  • Args
  • Page size (system calls?)
• Data structures
  • Fixed size array (arbitrary element size)
  • Dynamic size array (arbitrary element size)
• File tokeniser
• Message logger with string interpolation
  • Int parsing/stringification
• Static file server
• Challenges from
  • Project Euler
  • Advent of Code

Useful Commands

# Read ELF
readelf -aW ./hello

# Hex dump
hd ./hello

Misc Notes

• https://stackoverflow.com/questions/6401586/intel-x86-opcode-reference