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
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
|
extern crate x86_rs;
use x86_rs::{Instruction, Opcode, decode_one};
fn decode(bytes: &[u8]) -> Option<Instruction> {
let mut instr = Instruction::invalid();
match decode_one(bytes, &mut instr) {
Some(()) => Some(instr),
None => None
}
}
#[test]
fn test_mov() {
assert_eq!(&format!("{}", decode(
&[0x48, 0xc7, 0x04, 0x24, 0x00, 0x00, 0x00, 0x00]
).unwrap()), "mov [rsp], 0x0");
assert_eq!(&format!("{}", decode(
&[0x48, 0x89, 0x44, 0x24, 0x08]
).unwrap()), "mov [rsp + 0x8], rax");
assert_eq!(&format!("{}", decode(
&[0x48, 0x89, 0x43, 0x18]
).unwrap()), "mov [rbx + 0x18], rax");
assert_eq!(&format!("{}", decode(
&[0x48, 0xc7, 0x43, 0x10, 0x00, 0x00, 0x00, 0x00]
).unwrap()), "mov [rbx + 0x10], 0x0");
assert_eq!(&format!("{}", decode(
&[0x49, 0x89, 0x4e, 0x08]
).unwrap()), "mov [r14 + 0x8], rcx");
assert_eq!(&format!("{}", decode(
&[0x48, 0x8b, 0x32]
).unwrap()), "mov rsi, [rdx]");
assert_eq!(&format!("{}", decode(
&[0x49, 0x89, 0x46, 0x10]
).unwrap()), "mov [r14 + 0x10], rax");
assert_eq!(&format!("{}", decode(
&[0x4d, 0x0f, 0x43, 0xec, 0x49]
).unwrap()), "cmovnb r13, r12");
assert_eq!(&format!("{}", decode(
&[0x0f, 0xb6, 0x06]
).unwrap()), "movzx eax, byte [rsi]");
assert_eq!(&format!("{}", decode(
&[0x0f, 0xb7, 0x06]
).unwrap()), "movzx eax, word [rsi]");
}
#[test]
fn test_stack() {
assert_eq!(&format!("{}", decode(
&[0x66, 0x41, 0x50]
).unwrap()), "push r8w");
}
#[test]
fn test_prefixes() {
assert_eq!(&format!("{}", decode(
&[0x66, 0x41, 0x31, 0xc0]
).unwrap()), "xor r8w, ax");
assert_eq!(&format!("{}", decode(
&[0x66, 0x41, 0x32, 0xc0]
).unwrap()), "xor al, r8b");
assert_eq!(&format!("{}", decode(
&[0x40, 0x32, 0xc5]
).unwrap()), "xor al, bpl");
}
#[test]
fn test_control_flow() {
assert_eq!(&format!("{}", decode(
&[0x73, 0x31]
).unwrap()), "jnb 0x31");
assert_eq!(&format!("{}", decode(
&[0x72, 0x5a]
).unwrap()), "jb 0x5a");
assert_eq!(&format!("{}", decode(
&[0x0f, 0x86, 0x8b, 0x01, 0x00, 0x00]
).unwrap()), "jna 0x18b");
assert_eq!(&format!("{}", decode(
&[0x74, 0x47]
).unwrap()), "jz 0x47");
assert_eq!(&format!("{}", decode(
&[0xff, 0x15, 0x7e, 0x72, 0x24, 0x00]
).unwrap()), "call [rip + 0x24727e]");
assert_eq!(&format!("{}", decode(
&[0xc3]
).unwrap()), "ret");
}
#[test]
fn test_test_cmp() {
assert_eq!(&format!("{}", decode(
&[0x48, 0x3d, 0x01, 0xf0, 0xff, 0xff]
).unwrap()), "cmp rax, 0xfffffffffffff001");
assert_eq!(&format!("{}", decode(
&[0x3d, 0x01, 0xf0, 0xff, 0xff]
).unwrap()), "cmp eax, 0xfffff001");
assert_eq!(&format!("{}", decode(
&[0x48, 0x83, 0xf8, 0xff]
).unwrap()), "cmp rax, 0xffffffffffffffff");
assert_eq!(&format!("{}", decode(
&[0x48, 0x39, 0xc6]
).unwrap()), "cmp rsi, rax");
}
#[test]
fn test_misc() {
assert_eq!(&format!("{}", decode(
&[0x33, 0xc0]
).unwrap()), "xor eax, eax");
assert_eq!(&format!("{}", decode(
&[0x48, 0x8d, 0x53, 0x08]
).unwrap()), "lea rdx, [rbx + 0x8]");
assert_eq!(&format!("{}", decode(
&[0x31, 0xc9]
).unwrap()), "xor ecx, ecx");
assert_eq!(&format!("{}", decode(
&[0x48, 0x29, 0xc8]
).unwrap()), "sub rax, rcx");
assert_eq!(&format!("{}", decode(
&[0x48, 0x03, 0x0b]
).unwrap()), "add rcx, [rbx]");
assert_eq!(&format!("{}", decode(
&[0x5b]
).unwrap()), "pop rbx");
assert_eq!(&format!("{}", decode(
&[0x41, 0x5e]
).unwrap()), "pop r14");
assert_eq!(&format!("{}", decode(
&[0x48, 0x8d, 0x0c, 0x12]
).unwrap()), "lea rcx, [rdx + rdx]");
assert_eq!(&format!("{}", decode(
&[0xf6, 0xc2, 0x18]
).unwrap()), "test dl, 0x18");
}
|
