Beginning x64 Assembly Programming: From Novice to AVX Professional

© Jo Van Hoey 2019

J. Van HoeyBeginning x64 Assembly Programminghttps://doi.org/10.1007/978-1-4842-5076-1_13

13. Stack Alignment and Stack Frame

Jo Van Hoey¹ 

(1)

Hamme, Belgium

 

When your main program calls a function, it will push an 8-byte return address on the stack. That 8-byte address is the address of the instruction to be executed after the function. So, when the function ends, the program execution will find the return address from the stack and continue operation after the function call. Inside the function, we can also use the stack for different purposes. Every time you push something on the stack, the stack pointer will decrease by 8 bytes, and every time you pop something from the stack, the stack pointer will increase by 8 bytes. So, ...