1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
|
;; Walk a human link list and print its information
main:
TEST RDI, RDI
JZ next
PUSH RBX
MOV RBX, RDI
loop_arg:
LEA RSI, QWORD PTR [RBX+0x10]
LEA RDI, QWORD PTR [name-_+RIP]
XOR EAX, EAX
CALL printf
MOVZX ESI, WORD PTR [RBX+0x8]
LEA RDI, QWORD PTR [age-_+RIP]
XOR EAX, EAX
CALL printf
MOV ESI, DWORD PTR [RBX+0xC]
XOR EAX, EAX
LEA RDI, QWORD PTR [height-_+RIP]
CALL printf
MOV RBX, QWORD PTR [RBX]
TEST RBX, RBX
JNZ loop_arg
POP RBX
next:
LEA RBX, QWORD PTR [struct_human_ptr-_+RIP]
loop_global:
CMP RBX, 0
JZ end
LEA RSI, QWORD PTR [RBX+0x10]
LEA RDI, QWORD PTR [name-_+RIP]
XOR EAX, EAX
CALL printf
MOV RBX, QWORD PTR [RBX]
JMP loop_global
end:
RET
printf:
;; Dummy printf
RET
age:
.string "Age: %d\n"
height:
.string "Height: %d\n"
name:
.string "Name: %s\n"
struct_human_ptr:
.dword 0xdead, 0xcafe
|