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Question 9 What register is used to send the return value to the operating system O/S?

Question 9 What register is used to send the return value to the operating system O/S?

Np Ms Office 365/Excel 2016 I Ntermed
Np Ms Office 365/Excel 2016 I Ntermed
1st Edition
ISBN:9781337508841
Author:Carey
Publisher:Carey
Chapter6: Managing Multiple Worksheets And Workbooks
Section: Chapter Questions
Problem 23RA
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Question 9 What register is used to send the return value to the operating system O/S? A Question 10 what is the exact label used to start this process? Question 11 (En t) What is the initial value in % ebx? Illustrate it in decimal. Question 12 ( it) What line number(s) are commands to re-enter the repetition structure?
Transcribed Image Text:Question 9 What register is used to send the return value to the operating system O/S? A Question 10 what is the exact label used to start this process? Question 11 (En t) What is the initial value in % ebx? Illustrate it in decimal. Question 12 ( it) What line number(s) are commands to re-enter the repetition structure?
/Desktop/cw 1 #Quiz 7 Mystery Code 2.section.data 3 data_items: 4.int 3,4,14,32,45,61,32,18,9,38,99,19 5.section .text 6 .globl _start 7_start: 8 movq $0,%rdi 9 novl data_items(,%rdt,4),%eax 10 movl $0x19,%ebx 11 movl $e, %ecx 12 task_x: 13 cmpl $19, %eax 14 je z_exit 15 incq Xrdi 16 movl data_items(,%rdi,4),Xeax 17 cmpl Xebx, Xeax 18 jle task_x 19 incl Xecx 20 jmp task_x 21 z_exit: 22 movl Xecx,Xebx 23 movq $1,%rax 24 int $ex8e 25 # ld qutz7code.o -o qutz7code 26 #./qutz7code 27 # as quiz7code.s -o quiz7code.o 28 # echo $? Question 13 What line number in the code shows the assignment of the comparison variable to the register as part of the set up for the "if" branching mechanism?
Transcribed Image Text:/Desktop/cw 1 #Quiz 7 Mystery Code 2.section.data 3 data_items: 4.int 3,4,14,32,45,61,32,18,9,38,99,19 5.section .text 6 .globl _start 7_start: 8 movq $0,%rdi 9 novl data_items(,%rdt,4),%eax 10 movl $0x19,%ebx 11 movl $e, %ecx 12 task_x: 13 cmpl $19, %eax 14 je z_exit 15 incq Xrdi 16 movl data_items(,%rdi,4),Xeax 17 cmpl Xebx, Xeax 18 jle task_x 19 incl Xecx 20 jmp task_x 21 z_exit: 22 movl Xecx,Xebx 23 movq $1,%rax 24 int $ex8e 25 # ld qutz7code.o -o qutz7code 26 #./qutz7code 27 # as quiz7code.s -o quiz7code.o 28 # echo $? Question 13 What line number in the code shows the assignment of the comparison variable to the register as part of the set up for the "if" branching mechanism?
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