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The stack frame usually includes at least the following items (in push order): the arguments (parameter values) passed to the routine (if any); the return address back to the routine's caller (e.g. in the DrawLine stack frame, an address into DrawSquare's code); and; space for the local variables of the routine (if any).
A "stack pointer" register tracks the top of the stack; it is adjusted each time a value is "pushed" onto the stack. The set of values pushed for one function call is termed a "stack frame". A stack frame consists at minimum of a return address. Automatic variables are also allocated on the stack.
Each stack frame contains the private data of the corresponding call, which typically includes the procedure's parameters and internal variables, and the return address.
In particular, how the stack frame is restored so the caller may continue after the callee has finished. Whether and how metadata describing the arguments is passed; Where the previous value of the frame pointer is stored, which is used to restore the stack frame when the subroutine ends. Options include within the call stack, or in a specific ...
At a minimum, a thread's stack is used to store the location of a return address provided by the caller in order to allow return statements to return to the correct location. The stack is often used to store variables of fixed length local to the currently active functions. Programmers may further choose to explicitly use the stack to store ...
this on stack low address. Return pointer on stack high address. Watcom: AX, DX, BX, CX: RTL (C) Callee Return pointer in SI. IA-32: cdecl: Unix-like : RTL (C) Caller When returning struct/class, the calling code allocates space and passes a pointer to this space via a hidden parameter on the stack. The called function writes the return value ...
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