Problem 2. For each of the following assembly code sequences, say what value ends up in %rax atthe end of the sequence of instructions. Assume the starting state is what was given for the previousproblem.a.b.C.movq (%rdi), %raxmovq (%rax), %raxmovq (%rax), %raxmovq (%rax), %raxaddq %rcx, %raxmovq (%rdi, %rdx), %raxmovq (%rdi,%rdx, 4), %rbxshlq $3, %rbxaddq rbx, raxmovq 56(%rdi), rbxmovq 8(%rdi), %rcxsubq %rbx, %rcxleaq (rcx,%rbx, 2), %rax3

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a. movq (%rdi), %rax movq (%rax), %rax movq (%rax), %rax movq (%rax), %rax addq %rcx, %rax

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Concept explainers

Embedded Software Development

Using specific programming languages (like C and C++) to write code for a specific hardware device in which it runs is called embedded software development. It makes the device smart by performing actions based on user's input which improves the user experience. They are designed to perform function-specific tasks rather than doing multiple tasks like computers. The embedded system is incredibly intuitive. An embedded software system could be a system developed and organized on any device, apart from an old-fashioned computer. It is the brain of a specific device; however, it is a solely useless tool and simple to elucidate what software system is embedded.

Question

Problem 2. For each of the following assembly code sequences, say what value ends up in %rax at
the end of the sequence of instructions. Assume the starting state is what was given for the previous
problem.
a.
b.
C.
movq (%rdi), %rax
movq (%rax), %rax
movq (%rax), %rax
movq (%rax), %rax
addq %rcx, %rax
movq (%rdi, %rdx), %rax
movq (%rdi,%rdx, 4), %rbx
shlq $3, %rbx
addq rbx, rax
movq 56(%rdi), rbx
movq 8(%rdi), %rcx
subq %rbx, %rcx
leaq (rcx,%rbx, 2), %rax
3

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