PCLP2 Lab 08 Recap

"The road to power is paved with hypocrisy... and casualties."

• Frank Underwood, House of Cards

• Jim Gordon, Batman Begins

• Emperor Palpatine, Star Wars, the Last Jedi

• Jean-Luc Picard, Star Trek: The Next Generation

What is the stack used for?

• Local variables

• Passing parameters to functions

• Returning from function calls

• Global Variables

What is the effect of the following sequence: "sub esp, 20"

• Place for 20 bytes is allocated on the stack

• The stack is freed of 20 bytes

• Place for 80 bytes is allocated on the stack

• The stack is freed of 80 bytes

What is the role of EBP?

• It retains the beginning of the current stack

• It retains the end of the current stack

• It retains the last pushed element on the stack

• It is a general-purpose register

True or False? The stack grows towards big addresses

• True

• False

What is the effect of the following sequence? "push eax; push ebx; pop eax; pop ebx"

• eax and ebx are swapped

• eax and ebx remain the same

• eax and ebx become 0

• eax and ebx become undefined

"Men's hearts hold shadows darker than any tainted spirit."

• Flemeth, Dragon Age: Origins

• Paarthurnax, The Elder Scrolls: Skyrim

• Zed, League of Legends

• Sylvanas Windrunner, World of Warcraft, The Burning Crusade