0
Its not a stack counter - its a stack pointer. The stack pointer is a register that points to the top of the stack. In the Intel configuration, it points to the next item to be popped off the stack. To push an item requires that the stack pointer be decremented first, and then the item is written. The inverse operation - the pop - requires read then increment.
What else can I help you with?
What is the difference between stack pointer and program counter?
The stack pointer keeps track of the top of the stack used by the current thread. The program counter keeps track of the next instruction in a program. Both are registers and both store a memory address.
How is the old stack pointer value recovered on a function return?
If your stack grows bottom-up, it's decremented when you leave a function; if the stack grows top-down, the stack pointer is incremented.
What will happen when pop instruction is executed?
The top of stack to copied to the specified register and the stack pointer is incremented by 2. A special form of POP, RET, has the program continuing with the popped address in the program counter, i.e. a return from subroutine or function call.
What is the function of a stack pointer?
Stack pointer points to the topmost / most recently referenced location on the stack; - Nutan
What is the purpose of the program stack?
Its main use is to store local variables, arguments and return address each time a function is called.When your program calls a function the following happen :- The function arguments are put on the stack- The current instruction pointer is put on the stack- The program jumps to the start of the function- Space is allocated on the stack to hold local variables- The function executes- The space holding local variables is de-allocated- The instruction pointer is restored and removed from the stack (we are now leaving the function and resuming the calling procedure)- The arguments are removed from the stack
How can I effectively use a stack counter to optimize my gameplay strategy?
To effectively use a stack counter in gameplay strategy, track the number of actions or resources available to you and your opponent. Use this information to make informed decisions and anticipate your opponent's moves. By optimizing your gameplay based on the stack counter, you can gain a strategic advantage and improve your overall performance.
Which function call Does not consume stack space?
Calling an in-line function, which is not actually a function-call.
Why are programme counter and stack pointer register 16 bit registers?
The program counter (PC) and stack pointer (SP) registers are 16-bit registers in the 8085 and in the 8086/8088 because that is how Intel designed the processors.
What does 'stack overflow' mean?
stack overflow is when you've used up more memory for the stack than your program was supposed to use. In embedded systems you might only have 256 bytes for the stack, and if each function takes up 32 bytes then you can only have function calls 8 deep - function 1 calls function 2 who calls function 3 who calls function 4 .... who calls function 8 who calls function 9, but function 9 overwrites memory outside the stack. This might overwrite memory, code, etc Many programmers make this mistake by calling function A that then calls function B, that then calls function C, that then calls function A. It might work most of the time, but just once the wrong input will cause it to go in that circle forever until the computer recognizes that the stack is overblown. By - Jatin
What does the function counter do and what are its parameters?
There is no builtin function 'counta' in C.
Basic concept and application of stack?
A stack is a last in first out (LIFO) data structure. Stacks are typically used in backtracking algorithms where values are popped off the stack in the reverse order they were pushed onto the stack. Procedural programming languages make use of a call stack so that functions can easily return control to their callers -- which is vital when a function may have more than one call site. The calling function pushes the return address onto the call stack and then passes control to the callee function. When the callee has finished its task, the return address is popped off the stack and control returned to that address. In this way, functions can call other functions (including themselves) without losing track of where those calls came from. The call stack is also used to store a function's local variables as well as any arguments that were passed to the function by its caller. The function's exception handlers can also be placed on the stack. When an unhandled exception occurs, the call stack unwinds until a stack frame with a suitable exception handler is located. If the call stack unwinds all the way to the program's entry point (the main function) and there is still no handler, the program terminates with an unhandled exception error.
What does 'stack overflow at line 1776' mean?
This probably means that the stack ran out of memory when the program reached line 1776. This is in many cases caused by a function that calls itself too many times, since each function call takes up memory on the stack and that memory is not returned until the function exits.
