Question

Please answer the following Assembly x86 Questions with either TRUE or FALSE.

1. The PUSHAD instruction pushes all the 32-bit general-purpose registers on the stack.

2. The SS register points to the last value pushed on the stack.

3. The POP instruction copies a value from the stack to an operand, then it increments the stack pointer

4. When a macro is invoked, both CALL and RET instructions are needed.

5. When the instruction CALL runs, ESP always changes value.

6. The stack can be used as temporary data storage.

7. There are multiple stack frames in the stack when there is a nested procedure call

8. The RET instruction at the end of a procedure is optional

9. The instruction: ret 8
means that 8 input parameters will be removed from the stack

10. There are 2 conventions to clear input parameters from the stack:
- one that requires the calling procedure (caller) to clean up input parameters
- one that requires the called procedure (callee) to clean up input parameters

Answer 1

Pushed on the st ack ANSTi's statment fake peason Ss known h ne stack segment Register ss egiste Points to he geneal The aye lhat ω.ll be used memor y e stack 3) The Pop ins tuction Ceptes a value from he stack to an opeand, hen t tncre ments the stack pointer

ANTs statement Rehe stack potat ncrementef to point to he net evcilable value tn statk uwhen pop ued y) twhen matyo sinvoked, bolh cate RET nstyut tions ave nee ded Statement s toiuie Reason h a macyoB tavoked bolh calt and RET ave needed. because, catlu used to tyansfe contvol to anoher pYocedure folouinhe cal. instruction ρυ4he all ine 3a-bit eneal u pose reiste e stact AN Thi eas enealejisteu an he Stadk eneval statement nue The pushedtution pushe cu he 32- bit