27. Given the following ARM64 assembly code for a function, add comments to each line, use its stack frame with corresponding variables, and trace the code execution to- ligure out what it does. Notice that local variables are stored in the function's stack frame. Hint: this is a void function that takes two input parameters. tunct: sub sp. sp, #32 str x0, (sp, 8] str x1, [sp) Idr x0, Isp, 8) Idr wo, [x0] str wo, [sp, 28] Idr x0, (sp) Idr w1, [x0] Idr x0, (sp, 8] str w1, [x0] Idr x0, [sp) Idr w1, [sp, 28] Address Contents Sp Sp +4 Sp+8 Sp + 12 Sp + 16 Sp + 20 Sp + 24 Sp + 28 str w1, [X0] pop add sp. sp, 32 ret
27. Given the following ARM64 assembly code for a function, add comments to each line, use its stack frame with corresponding variables, and trace the code execution to- ligure out what it does. Notice that local variables are stored in the function's stack frame. Hint: this is a void function that takes two input parameters. tunct: sub sp. sp, #32 str x0, (sp, 8] str x1, [sp) Idr x0, Isp, 8) Idr wo, [x0] str wo, [sp, 28] Idr x0, (sp) Idr w1, [x0] Idr x0, (sp, 8] str w1, [x0] Idr x0, [sp) Idr w1, [sp, 28] Address Contents Sp Sp +4 Sp+8 Sp + 12 Sp + 16 Sp + 20 Sp + 24 Sp + 28 str w1, [X0] pop add sp. sp, 32 ret
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...
Related questions
Question
![Q7. ] Given the following ARM64 assembly code for a function, add comments to
each line, use its stack frame with corresponding variables, and trace the code execution to
figure out what it does. Notice that local variables are stored in the function's stack frame.
Hint: this is a void function that takes two input parameters.
tunct:
sub sp. sp, #32
str
x0, (sp, 8]
Address
Contents
x1, [sp)
Idr x0, Isp, 81
str
SP
Sp + 4
Sp +8
Sp + 12
Sp + 16
Sp + 20
Sp + 24
Sp + 28
Idr wo, [x0]
str
wo, [sp, 28]
Idr x0, [sp)
Idr w1, [x0]
Idr x0, [sp, 8]
w1, [x0]
Idr x0, Isp)
str
Idr w1, [sp, 28]
str w1, [x0]
DOR
add
Sp. sp, 32
ret](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F3c6b8cdf-da8e-4162-bf3d-a21753dafdbd%2Fd55a718f-c98c-43ee-bfc9-80bab57b02c6%2Fygksjcg_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Q7. ] Given the following ARM64 assembly code for a function, add comments to
each line, use its stack frame with corresponding variables, and trace the code execution to
figure out what it does. Notice that local variables are stored in the function's stack frame.
Hint: this is a void function that takes two input parameters.
tunct:
sub sp. sp, #32
str
x0, (sp, 8]
Address
Contents
x1, [sp)
Idr x0, Isp, 81
str
SP
Sp + 4
Sp +8
Sp + 12
Sp + 16
Sp + 20
Sp + 24
Sp + 28
Idr wo, [x0]
str
wo, [sp, 28]
Idr x0, [sp)
Idr w1, [x0]
Idr x0, [sp, 8]
w1, [x0]
Idr x0, Isp)
str
Idr w1, [sp, 28]
str w1, [x0]
DOR
add
Sp. sp, 32
ret
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