An interactive concept flow for what a function call places in a stack frame, from its assumptions through the main operation and boundary checks.
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readyA function call transfers control while preserving enough state for the caller to resume. A calling convention defines how arguments, return values, registers, and stack alignment are handled. A stack frame commonly holds saved registers, local storage, and bookkeeping, though optimizers can keep values in registers or remove frames.
Use the stages in order to explain what a function call places in a stack frame. Each stage makes one assumption visible: what the operation promises, what representation it uses, how state changes, which boundary can invalidate a shortcut, and what evidence confirms the result.
For a worked explanation, continue to the topic article and execution trace.
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