Below is a program block written in ARM Assembly
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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Transcribed Image Text:Aşağıda ARM Assembly ile yazılmış bir program bloğu görülmektedir. Başlangıçta PC = 0x2000, Stack pointer sp = 0x400 (stack memoryde hiç veri yoktur ve yanda gösterilmektedir), olduğuna göre, PC = 0x2028 değerine eşit olduğunda (ilgili satır
çalıştırıldığında) LR ve SP değerleri nedir?
Memory
Address
Program (Instructions)
Stack Memory
Ox400
OX3FC
OX3F8
Ox2000
Ox2004
MOV RO,#2
SP-->
BL fun1
Ox2008
B ENDL
LBL1 push (LR)
OX3F4
Ox200C
OX3F0
OX3EC
Ox3E8
Ox2010
MUL RO, RO
Ox2014
ADD RO, #1
Ox2018
BL LBL2
Ox201C
POP (PC)
OX3E4
Ox2020
LBL2 push (LR)
Ox 3E0
Ox2024
MUL RO,RO
OX3DC
Ox2028
ADD RO, #1
OX3D8
Ox202C
BL LBL3
OX3D4
Ox2030
POP (PC)
OX3D0
Ox2034 LBL3 push (LR}
OX3CC
OX3C8
Ox3C4
Ox2038
ADD RO, #1
РОP (РC)
fun1 PUSH (LR}
Ox203C
Ox2040
Ox3C0
Ox2044
BL LBL1
OX3BC
Ox3B8
Ox2048
POP (LR}
Ox204C
BX LR
Ox 3B4
Ox2050 ENDL
Ox3B0
Lütfen birini seçin:
O A. LR = Ox202C,
SP = 0x408
O B. LR = Ox2048,
SP = 0X3F0
O C. LR = Ox2008,
SP = 0X3F8
O D. LR = 0x201C,
SP = 0x404
O E. LR = 0x201C,
SP = 0X3F4
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