The primary purpose of a call stack is to store the return addresses of each active function (subroutine). When a function (subroutine) is called, the location (address) of the instruction at which the calling routine can later resume is stored in the call stack.
More generally, a call stack is a stack data structure that stores information about the active subroutines (function) of a computer program.
Same as:
Call stack is also known as :
and is often shortened to just the stack.
The process is as follow:
If the pushing consumes all of the space allocated for the call stack, an error called a wiki/stack overflow occurs, generally causing the program to crash.
There is usually exactly one call stack associated with a process