struct S7 { short m1; short m2; short m3; int m4 [12]; struct S7*next; };

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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Consider:
struct S7 {
short m1;
short m2;
short m3;
int
m4 [12];
struct S7*next;
};
int find_m4 (struct S7*p, int i) {
return (&(p->m4[i]));
}
If we wrote find_m4() in x86-64 assembler, which instruction returns the
correct value?
O movl 8(%rdi, %rsi,4), %eax
movq 6(%rdi, %rsi,8), %rax
leaq 8(%rdi, %rsi,4), %rax
leal 6(%rdi, %rsi,4), %eax
None of these
Transcribed Image Text:Consider: struct S7 { short m1; short m2; short m3; int m4 [12]; struct S7*next; }; int find_m4 (struct S7*p, int i) { return (&(p->m4[i])); } If we wrote find_m4() in x86-64 assembler, which instruction returns the correct value? O movl 8(%rdi, %rsi,4), %eax movq 6(%rdi, %rsi,8), %rax leaq 8(%rdi, %rsi,4), %rax leal 6(%rdi, %rsi,4), %eax None of these
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