3. [30 Points] Write a simple x86 assembly language function to swap VALUE_A and VALUE_B on...
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3. [30 Points] Write a simple x86 assembly language function to swap VALUE_A and VALUE_B on the stack shown below. You must use the calling convention that is shown in the diagram below and save/restore any required (by convention) temporary registers! [Note: The calling convention is implied by the diagram] At the beginning of the function, the stack looks like this. ESP Return Addr ESP VALUE_A VALUE_B ABCD Upon executing the retn, the stack looks like this. VALUE_B VALUE_A ABCD [5 Points Extra Credit] Perform the same task in at most four instructions, without using add, mov, pop, or push (yes, the return instruction counts as an instruction). 3. [30 Points] Write a simple x86 assembly language function to swap VALUE_A and VALUE_B on the stack shown below. You must use the calling convention that is shown in the diagram below and save/restore any required (by convention) temporary registers! [Note: The calling convention is implied by the diagram] At the beginning of the function, the stack looks like this. ESP Return Addr ESP VALUE_A VALUE_B ABCD Upon executing the retn, the stack looks like this. VALUE_B VALUE_A ABCD [5 Points Extra Credit] Perform the same task in at most four instructions, without using add, mov, pop, or push (yes, the return instruction counts as an instruction).
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Related Book For
Income Tax Fundamentals 2013
ISBN: 9781285586618
31st Edition
Authors: Gerald E. Whittenburg, Martha Altus Buller, Steven L Gill
Posted Date:
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