What are the expected 6 numbers of the following x84-64 code? I can tell that the base case is 0 but unsure how to get the remaining 5. 1445 WNH236789101112131415165599171819202122232425262728293031323334353637000000000000164b164b:164f:1650:1651:1655:165c:165e:1663:1665:1668:166d:1671:1673:1676:167b:167d:1682:1684:1687:168b:168e:1690:1692:1695:1698:169a:169f::fo of le fa5516a1:16a6:16ad:16af:16b1:16b5:16b6:16b7:16b8:5348 83 ec 2864 48 8b 04 25 28 0000 0048 89 44 24 1831 có48 89 e6e8 36 08 00 0083 3c 24 0078 0a48 89 e5bb 01 00 00 00eb 13e8 df 07 00 00eb ef83 c3 0148 83 c5 0483 fb 0674 1189 d803 45 0039 45 0474 eae8 c2 07 00 00eb e348 8b 44 24 1864 48 2b 04 25 28 0000 0075 0748 83 c4 285b5dc3e8 c3 fb ff ffendbr64pushpushsubmovmovxormovcallcmpljsmovmovjmpcalljmpaddaddcmpjemovaddcmpjecalljmpmovsubjneaddpoppopretcall%rbp%rbx$0x28,%rsp%fs:0x28,%rax%rax, 0x18 (%rsp)%eax,%eax%rsp,%rsilea3 $0x0, (%rsp) // 0 Base case167d %rsp,%rbp$0x1,%ebx1690 1e61 1673 $0x1,%ebx$0x4,%rbp$0x6,%ebx16a1 %ebx,%eax0x0 (%rbp), %eax%eax, 0x4 (%rbp)1684 1e61 1684 0x18 (%rsp), %rax%fs:0x28,%rax16b8 $0x28,%rsp%rbx%rbp1280 < _stack_chk_fail@plt

Answered: What are the expected 6 numbers of the…

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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What are the expected 6 numbers of the following x84-64 code? I can tell that the base case is 0 but unsure how to get the remaining 5.

1
445 WNH
2
3
6
7
8
9
10
11
12
13
14
15
16
55
99
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
000000000000164b
164b:
164f:
1650:
1651:
1655:
165c:
165e:
1663:
1665:
1668:
166d:
1671:
1673:
1676:
167b:
167d:
1682:
1684:
1687:
168b:
168e:
1690:
1692:
1695:
1698:
169a:
169f:
<phase_2>:
fo of le fa
55
16a1:
16a6:
16ad:
16af:
16b1:
16b5:
16b6:
16b7:
16b8:
53
48 83 ec 28
64 48 8b 04 25 28 00
00 00
48 89 44 24 18
31 có
48 89 e6
e8 36 08 00 00
83 3c 24 00
78 0a
48 89 e5
bb 01 00 00 00
eb 13
e8 df 07 00 00
eb ef
83 c3 01
48 83 c5 04
83 fb 06
74 11
89 d8
03 45 00
39 45 04
74 ea
e8 c2 07 00 00
eb e3
48 8b 44 24 18
64 48 2b 04 25 28 00
00 00
75 07
48 83 c4 28
5b
5d
c3
e8 c3 fb ff ff
endbr64
push
push
sub
mov
mov
xor
mov
call
cmpl
js
mov
mov
jmp
call
jmp
add
add
cmp
je
mov
add
cmp
je
call
jmp
mov
sub
jne
add
pop
pop
ret
call
%rbp
%rbx
$0x28,%rsp
%fs:0x28,%rax
%rax, 0x18 (%rsp)
%eax,%eax
%rsp,%rsi
lea3 <read six numbers>
$0x0, (%rsp) // 0 Base case
167d <phase_2+0x32>
%rsp,%rbp
$0x1,%ebx
1690 <phase_2+0x45>
1e61 <explode_bomb>
1673 <phase_2+0x28>
$0x1,%ebx
$0x4,%rbp
$0x6,%ebx
16a1 <phase_2+0x56>
%ebx,%eax
0x0 (%rbp), %eax
%eax, 0x4 (%rbp)
1684 <phase_2+0x39>
1e61 <explode_bomb>
1684 <phase_2+0x39>
0x18 (%rsp), %rax
%fs:0x28,%rax
16b8 <phase_2+0x6d>
$0x28,%rsp
%rbx
%rbp
1280 < _stack_chk_fail@plt

Expert Solution

Step 1

frog:
pushl %ebp
movl %esp, %ebp
movl 8(%ebp), %edx
movl 12(%ebp), %eax
cmpl $7, %edx
ja .L8
jmp *.L9(,%edx,4)
.section .rodata
.align 4
.align 4
.L9:
.long .L8
.long .L4
.long .L8
.long .L5
.long .L8
.long .L4
.long .L6
.long .L2
.text
.L4:
movl $7, %eax
jmp .L2
.L5:
decl %eax
jmp .L2
.L6:
incl %eax
jmp .L2
.L8:
movl $-1, %eax
.L2:
popl %ebp
ret

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