Outline:

1. Working with the stack
   • push/pop
   • function calls and the stack
2. Assignment 6—please post/DM any questions on Slack!

After class:

3. Lab 6: debugging the stack in x86-64 with gdb

Reminder: Quiz #6 on Monday

You will see these Quiz Learning Objectives:

• AI 1: addressing modes
• AI 2: move instructions
• AI 4: arithmetic instructions (new!)
• AI 5: jump instructions (new!)
• AI 6: stack (new!)
• NR 4: floating point

Videos to watch after class:

• video: using gdb to explore the proc() function (Lab 6: Step 1)
• video: local variables and the stack
• video: using gdb to explore a function that calls proc() (Lab 6: Step 2)
• video: using gdb to solve an assembly puzzle (Lab 6: Step 3)

Reading assignment (to be completed by the next class):

• Watch the videos!
• DiS Sec. 7.6: Recursion
• DiS Sec. 7.10: Buffer Overflows