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Question

How does a RET instruction with a numeric operand provide information about a function's calling convention?

a.

It tells the processor how many bytes of stack to unwind

b.

It tells the processor which function to call next

c.

It tells the processor which register to use for the return value

d.

It tells the processor which data structure to use for parameter passing

Posted under Reverse Engineering

Answer: (a).It tells the processor how many bytes of stack to unwind Explanation:The operand passed to RET tells the processor how many bytes of stack to unwind (in addition to the return value).

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Q. How does a RET instruction with a numeric operand provide information about a function's calling convention?

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