Question

Given the following code snippet and assembly instructions, align the code with the corresponding assembly. The first line has already been done for you. [6 points] __Z3fooii: 100000f60: 55 pushq %rbp 100000f61: 48 89 e5 movq %rsp, %rbp 100000f64: 89 7d fc movl %edi, -4(%rbp) int foo(int num1, int num2){ 100000f67: 89 75 f8 movl %esi, -8(%rbp) int val1 = 2; 100000f6a: c7 45 f4 02 00 00 00 movl $2, -12(%rbp) int val2 = 3 * num1; 100000f71: 6b 75 fc 03 imull $3, -4(%rbp), %esi 100000f75: 89 75 f0 movl %esi, -16(%rbp) int val3 = num2 + val1; 100000f78: 8b 75 f8 movl -8(%rbp), %esi 100000f7b: 03 75 f4 addl -12(%rbp), %esi int result = val1 - val2; 100000f7e: 89 75 ec movl %esi, -20(%rbp) 100000f81: 8b 75 f4 movl -12(%rbp), %esi return result; 100000f84: 2b 75 f0 subl -16(%rbp), %esi 100000f87: 89 75 e8 movl %esi, -24(%rbp) 100000f8a: 8b 45 e8 movl -24(%rbp), %eax } 100000f8d: 5d popq %rbp 100000f8e: c3 retq int foo(int num1, int num2): pushq %rbp movq %rsp, %rbp movl %edi, -4(%rbp) movl %esi, -8(%rbp) 3. In the above three examples, we see -X(%rbp) where X is some integer. How are these values for X determined? What is the significance of this when it comes to what we already know regarding a program's relationship with memory during a program's execution?

          Given the following code snippet and assembly instructions, align the code with the
corresponding assembly. The first line has already been done for you. [6 points]
__Z3fooii:
100000f60: 55 pushq %rbp
100000f61: 48 89 e5 movq %rsp, %rbp
100000f64: 89 7d fc movl %edi, -4(%rbp)
int foo(int num1, int num2){ 100000f67: 89 75 f8 movl %esi, -8(%rbp)
int val1 = 2; 100000f6a: c7 45 f4 02 00 00 00 movl $2, -12(%rbp)
int val2 = 3 * num1; 100000f71: 6b 75 fc 03 imull $3, -4(%rbp), %esi
100000f75: 89 75 f0 movl %esi, -16(%rbp)
int val3 = num2 + val1; 100000f78: 8b 75 f8 movl -8(%rbp), %esi
100000f7b: 03 75 f4 addl -12(%rbp), %esi
int result = val1 - val2; 100000f7e: 89 75 ec movl %esi, -20(%rbp)
100000f81: 8b 75 f4 movl -12(%rbp), %esi
return result; 100000f84: 2b 75 f0 subl -16(%rbp), %esi
100000f87: 89 75 e8 movl %esi, -24(%rbp)
100000f8a: 8b 45 e8 movl -24(%rbp), %eax
} 100000f8d: 5d popq %rbp
100000f8e: c3 retq
int foo(int num1, int num2):
pushq %rbp
movq %rsp, %rbp
movl %edi, -4(%rbp)
movl %esi, -8(%rbp)
3. In the above three examples, we see -X(%rbp) where X is some integer. How are these
values for X determined? What is the significance of this when it comes to what we already
know regarding a program's relationship with memory during a program's execution?

Given the following code snippet and assembly instructions, align the code with the
corresponding assembly. The first line has already been done for you. [6 points]
Z3fooii:
100000f60: 55 pushq %rbp
100000f61: 48 89 e5 movq %rsp, %rbp
100000f64: 89 7d fc movl %edi, -4(%rbp)
int foo(int num1, int num2) 100000f67: 89 75 f8 movl %esi, -8(%rbp)
int val1 = 2; 100000f6a: c7 45 f4 02 00 00 00 movl 2, -12(%rbp)
int val2 = 3 * num1; 100000f71: 6b 75 fc 03 imull3, -4(%rbp), %esi
100000f75: 89 75 f0 movl %esi, -16(%rbp)
int val3 = num2 + val1; 100000f78: 8b 75 f8 movl -8(%rbp), %esi
100000f7b: 03 75 f4 addl -12(%rbp), %esi
int result = val1 - val2; 100000f7e: 89 75 ec movl %esi, -20(%rbp)
100000f81: 8b 75 f4 movl -12(%rbp), %esi
return result; 100000f84: 2b 75 f0 subl -16(%rbp), %esi
100000f87: 89 75 e8 movl %esi, -24(%rbp)
100000f8a: 8b 45 e8 movl -24(%rbp), %eax
100000f8d: 5d popq %rbp
100000f8e: c3 retq
int foo(int num1, int num2):
pushq %rbp
movq %rsp, %rbp
movl %edi, -4(%rbp)
movl %esi, -8(%rbp)
3. In the above three examples, we see -X(%rbp) where X is some integer. How are these
values for X determined? What is the significance of this when it comes to what we already
know regarding a program's relationship with memory during a program's execution?

Added by Megan O.

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