luaur_code_gen/methods/
assembly_builder_x_64_nop.rs

1use crate::records::assembly_builder_x_64::AssemblyBuilderX64;
2
3impl AssemblyBuilderX64 {
4    pub fn nop(&mut self, mut length: u32) {
5        while length != 0 {
6            let step = if length > 9 { 9 } else { length };
7            length -= step;
8
9            match step {
10                1 => {
11                    if self.log_text {
12                        self.log_append(format_args!(" nop\n"));
13                    }
14                    self.place(0x90);
15                }
16                2 => {
17                    if self.log_text {
18                        self.log_append(format_args!(" xchg        ax, ax ; {}-byte nop\n", step));
19                    }
20                    self.place(0x66);
21                    self.place(0x90);
22                }
23                3 => {
24                    if self.log_text {
25                        self.log_append(format_args!(
26                            " nop         dword ptr[rax] ; {}-byte nop\n",
27                            step
28                        ));
29                    }
30                    self.place(0x0f);
31                    self.place(0x1f);
32                    self.place(0x00);
33                }
34                4 => {
35                    if self.log_text {
36                        self.log_append(format_args!(
37                            " nop         dword ptr[rax] ; {}-byte nop\n",
38                            step
39                        ));
40                    }
41                    self.place(0x0f);
42                    self.place(0x1f);
43                    self.place(0x40);
44                    self.place(0x00);
45                }
46                5 => {
47                    if self.log_text {
48                        self.log_append(format_args!(
49                            " nop         dword ptr[rax+rax] ; {}-byte nop\n",
50                            step
51                        ));
52                    }
53                    self.place(0x0f);
54                    self.place(0x1f);
55                    self.place(0x44);
56                    self.place(0x00);
57                    self.place(0x00);
58                }
59                6 => {
60                    if self.log_text {
61                        self.log_append(format_args!(
62                            " nop         word ptr[rax+rax] ; {}-byte nop\n",
63                            step
64                        ));
65                    }
66                    self.place(0x66);
67                    self.place(0x0f);
68                    self.place(0x1f);
69                    self.place(0x44);
70                    self.place(0x00);
71                    self.place(0x00);
72                }
73                7 => {
74                    if self.log_text {
75                        self.log_append(format_args!(
76                            " nop         dword ptr[rax] ; {}-byte nop\n",
77                            step
78                        ));
79                    }
80                    self.place(0x0f);
81                    self.place(0x1f);
82                    self.place(0x80);
83                    self.place(0x00);
84                    self.place(0x00);
85                    self.place(0x00);
86                    self.place(0x00);
87                }
88                8 => {
89                    if self.log_text {
90                        self.log_append(format_args!(
91                            " nop         dword ptr[rax+rax] ; {}-byte nop\n",
92                            step
93                        ));
94                    }
95                    self.place(0x0f);
96                    self.place(0x1f);
97                    self.place(0x84);
98                    self.place(0x00);
99                    self.place(0x00);
100                    self.place(0x00);
101                    self.place(0x00);
102                    self.place(0x00);
103                }
104                9 => {
105                    if self.log_text {
106                        self.log_append(format_args!(
107                            " nop         word ptr[rax+rax] ; {}-byte nop\n",
108                            step
109                        ));
110                    }
111                    self.place(0x66);
112                    self.place(0x0f);
113                    self.place(0x1f);
114                    self.place(0x84);
115                    self.place(0x00);
116                    self.place(0x00);
117                    self.place(0x00);
118                    self.place(0x00);
119                    self.place(0x00);
120                }
121                _ => {}
122            }
123
124            self.commit();
125        }
126    }
127}
luaur_code_gen/methods/assembly_builder_x_64_nop.rs

luaur_code_gen/methods/
assembly_builder_x_64_nop.rs
