This repository has been archived by the owner on Feb 27, 2025. It is now read-only.
-
Notifications
You must be signed in to change notification settings - Fork 7
/
Copy pathStore_test.go
239 lines (232 loc) · 13.2 KB
/
Store_test.go
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
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
package asm_test
import (
"testing"
"github.com/akyoto/asm"
"github.com/akyoto/assert"
)
func TestStoreNumber(t *testing.T) {
usagePatterns := []struct {
Register string
Offset byte
ByteCount byte
Number int64
Code []byte
}{
// No offset
{"rax", 0, 8, 0x7f, []byte{0x48, 0xc7, 0x00, 0x7f, 0x00, 0x00, 0x00}},
{"rax", 0, 4, 0x7f, []byte{0xc7, 0x00, 0x7f, 0x00, 0x00, 0x00}},
{"rax", 0, 2, 0x7f, []byte{0x66, 0xc7, 0x00, 0x7f, 0x00}},
{"rax", 0, 1, 0x7f, []byte{0xc6, 0x00, 0x7f}},
{"rcx", 0, 8, 0x7f, []byte{0x48, 0xc7, 0x01, 0x7f, 0x00, 0x00, 0x00}},
{"rcx", 0, 4, 0x7f, []byte{0xc7, 0x01, 0x7f, 0x00, 0x00, 0x00}},
{"rcx", 0, 2, 0x7f, []byte{0x66, 0xc7, 0x01, 0x7f, 0x00}},
{"rcx", 0, 1, 0x7f, []byte{0xc6, 0x01, 0x7f}},
{"rdx", 0, 8, 0x7f, []byte{0x48, 0xc7, 0x02, 0x7f, 0x00, 0x00, 0x00}},
{"rdx", 0, 4, 0x7f, []byte{0xc7, 0x02, 0x7f, 0x00, 0x00, 0x00}},
{"rdx", 0, 2, 0x7f, []byte{0x66, 0xc7, 0x02, 0x7f, 0x00}},
{"rdx", 0, 1, 0x7f, []byte{0xc6, 0x02, 0x7f}},
{"rbx", 0, 8, 0x7f, []byte{0x48, 0xc7, 0x03, 0x7f, 0x00, 0x00, 0x00}},
{"rbx", 0, 4, 0x7f, []byte{0xc7, 0x03, 0x7f, 0x00, 0x00, 0x00}},
{"rbx", 0, 2, 0x7f, []byte{0x66, 0xc7, 0x03, 0x7f, 0x00}},
{"rbx", 0, 1, 0x7f, []byte{0xc6, 0x03, 0x7f}},
{"rdi", 0, 8, 0x7f, []byte{0x48, 0xc7, 0x07, 0x7f, 0x00, 0x00, 0x00}},
{"rdi", 0, 4, 0x7f, []byte{0xc7, 0x07, 0x7f, 0x00, 0x00, 0x00}},
{"rdi", 0, 2, 0x7f, []byte{0x66, 0xc7, 0x07, 0x7f, 0x00}},
{"rdi", 0, 1, 0x7f, []byte{0xc6, 0x07, 0x7f}},
{"rsi", 0, 8, 0x7f, []byte{0x48, 0xc7, 0x06, 0x7f, 0x00, 0x00, 0x00}},
{"rsi", 0, 4, 0x7f, []byte{0xc7, 0x06, 0x7f, 0x00, 0x00, 0x00}},
{"rsi", 0, 2, 0x7f, []byte{0x66, 0xc7, 0x06, 0x7f, 0x00}},
{"rsi", 0, 1, 0x7f, []byte{0xc6, 0x06, 0x7f}},
{"rbp", 0, 8, 0x7f, []byte{0x48, 0xc7, 0x45, 0x00, 0x7f, 0x00, 0x00, 0x00}},
{"rbp", 0, 4, 0x7f, []byte{0xc7, 0x45, 0x00, 0x7f, 0x00, 0x00, 0x00}},
{"rbp", 0, 2, 0x7f, []byte{0x66, 0xc7, 0x45, 0x00, 0x7f, 0x00}},
{"rbp", 0, 1, 0x7f, []byte{0xc6, 0x45, 0x00, 0x7f}},
{"rsp", 0, 8, 0x7f, []byte{0x48, 0xc7, 0x04, 0x24, 0x7f, 0x00, 0x00, 0x00}},
{"rsp", 0, 4, 0x7f, []byte{0xc7, 0x04, 0x24, 0x7f, 0x00, 0x00, 0x00}},
{"rsp", 0, 2, 0x7f, []byte{0x66, 0xc7, 0x04, 0x24, 0x7f, 0x00}},
{"rsp", 0, 1, 0x7f, []byte{0xc6, 0x04, 0x24, 0x7f}},
{"r8", 0, 8, 0x7f, []byte{0x49, 0xc7, 0x00, 0x7f, 0x00, 0x00, 0x00}},
{"r8", 0, 4, 0x7f, []byte{0x41, 0xc7, 0x00, 0x7f, 0x00, 0x00, 0x00}},
{"r8", 0, 2, 0x7f, []byte{0x66, 0x41, 0xc7, 0x00, 0x7f, 0x00}},
{"r8", 0, 1, 0x7f, []byte{0x41, 0xc6, 0x00, 0x7f}},
{"r9", 0, 8, 0x7f, []byte{0x49, 0xc7, 0x01, 0x7f, 0x00, 0x00, 0x00}},
{"r9", 0, 4, 0x7f, []byte{0x41, 0xc7, 0x01, 0x7f, 0x00, 0x00, 0x00}},
{"r9", 0, 2, 0x7f, []byte{0x66, 0x41, 0xc7, 0x01, 0x7f, 0x00}},
{"r9", 0, 1, 0x7f, []byte{0x41, 0xc6, 0x01, 0x7f}},
{"r10", 0, 8, 0x7f, []byte{0x49, 0xc7, 0x02, 0x7f, 0x00, 0x00, 0x00}},
{"r10", 0, 4, 0x7f, []byte{0x41, 0xc7, 0x02, 0x7f, 0x00, 0x00, 0x00}},
{"r10", 0, 2, 0x7f, []byte{0x66, 0x41, 0xc7, 0x02, 0x7f, 0x00}},
{"r10", 0, 1, 0x7f, []byte{0x41, 0xc6, 0x02, 0x7f}},
{"r11", 0, 8, 0x7f, []byte{0x49, 0xc7, 0x03, 0x7f, 0x00, 0x00, 0x00}},
{"r11", 0, 4, 0x7f, []byte{0x41, 0xc7, 0x03, 0x7f, 0x00, 0x00, 0x00}},
{"r11", 0, 2, 0x7f, []byte{0x66, 0x41, 0xc7, 0x03, 0x7f, 0x00}},
{"r11", 0, 1, 0x7f, []byte{0x41, 0xc6, 0x03, 0x7f}},
{"r12", 0, 8, 0x7f, []byte{0x49, 0xc7, 0x04, 0x24, 0x7f, 0x00, 0x00, 0x00}},
{"r12", 0, 4, 0x7f, []byte{0x41, 0xc7, 0x04, 0x24, 0x7f, 0x00, 0x00, 0x00}},
{"r12", 0, 2, 0x7f, []byte{0x66, 0x41, 0xc7, 0x04, 0x24, 0x7f, 0x00}},
{"r12", 0, 1, 0x7f, []byte{0x41, 0xc6, 0x04, 0x24, 0x7f}},
{"r13", 0, 8, 0x7f, []byte{0x49, 0xc7, 0x45, 0x00, 0x7f, 0x00, 0x00, 0x00}},
{"r13", 0, 4, 0x7f, []byte{0x41, 0xc7, 0x45, 0x00, 0x7f, 0x00, 0x00, 0x00}},
{"r13", 0, 2, 0x7f, []byte{0x66, 0x41, 0xc7, 0x45, 0x00, 0x7f, 0x00}},
{"r13", 0, 1, 0x7f, []byte{0x41, 0xc6, 0x45, 0x00, 0x7f}},
{"r14", 0, 8, 0x7f, []byte{0x49, 0xc7, 0x06, 0x7f, 0x00, 0x00, 0x00}},
{"r14", 0, 4, 0x7f, []byte{0x41, 0xc7, 0x06, 0x7f, 0x00, 0x00, 0x00}},
{"r14", 0, 2, 0x7f, []byte{0x66, 0x41, 0xc7, 0x06, 0x7f, 0x00}},
{"r14", 0, 1, 0x7f, []byte{0x41, 0xc6, 0x06, 0x7f}},
{"r15", 0, 8, 0x7f, []byte{0x49, 0xc7, 0x07, 0x7f, 0x00, 0x00, 0x00}},
{"r15", 0, 4, 0x7f, []byte{0x41, 0xc7, 0x07, 0x7f, 0x00, 0x00, 0x00}},
{"r15", 0, 2, 0x7f, []byte{0x66, 0x41, 0xc7, 0x07, 0x7f, 0x00}},
{"r15", 0, 1, 0x7f, []byte{0x41, 0xc6, 0x07, 0x7f}},
// Offset of 1
{"rax", 1, 8, 0x7f, []byte{0x48, 0xc7, 0x40, 0x01, 0x7f, 0x00, 0x00, 0x00}},
{"rax", 1, 4, 0x7f, []byte{0xc7, 0x40, 0x01, 0x7f, 0x00, 0x00, 0x00}},
{"rax", 1, 2, 0x7f, []byte{0x66, 0xc7, 0x40, 0x01, 0x7f, 0x00}},
{"rax", 1, 1, 0x7f, []byte{0xc6, 0x40, 0x01, 0x7f}},
{"rcx", 1, 8, 0x7f, []byte{0x48, 0xc7, 0x41, 0x01, 0x7f, 0x00, 0x00, 0x00}},
{"rcx", 1, 4, 0x7f, []byte{0xc7, 0x41, 0x01, 0x7f, 0x00, 0x00, 0x00}},
{"rcx", 1, 2, 0x7f, []byte{0x66, 0xc7, 0x41, 0x01, 0x7f, 0x00}},
{"rcx", 1, 1, 0x7f, []byte{0xc6, 0x41, 0x01, 0x7f}},
{"rdx", 1, 8, 0x7f, []byte{0x48, 0xc7, 0x42, 0x01, 0x7f, 0x00, 0x00, 0x00}},
{"rdx", 1, 4, 0x7f, []byte{0xc7, 0x42, 0x01, 0x7f, 0x00, 0x00, 0x00}},
{"rdx", 1, 2, 0x7f, []byte{0x66, 0xc7, 0x42, 0x01, 0x7f, 0x00}},
{"rdx", 1, 1, 0x7f, []byte{0xc6, 0x42, 0x01, 0x7f}},
{"rbx", 1, 8, 0x7f, []byte{0x48, 0xc7, 0x43, 0x01, 0x7f, 0x00, 0x00, 0x00}},
{"rbx", 1, 4, 0x7f, []byte{0xc7, 0x43, 0x01, 0x7f, 0x00, 0x00, 0x00}},
{"rbx", 1, 2, 0x7f, []byte{0x66, 0xc7, 0x43, 0x01, 0x7f, 0x00}},
{"rbx", 1, 1, 0x7f, []byte{0xc6, 0x43, 0x01, 0x7f}},
{"rdi", 1, 8, 0x7f, []byte{0x48, 0xc7, 0x47, 0x01, 0x7f, 0x00, 0x00, 0x00}},
{"rdi", 1, 4, 0x7f, []byte{0xc7, 0x47, 0x01, 0x7f, 0x00, 0x00, 0x00}},
{"rdi", 1, 2, 0x7f, []byte{0x66, 0xc7, 0x47, 0x01, 0x7f, 0x00}},
{"rdi", 1, 1, 0x7f, []byte{0xc6, 0x47, 0x01, 0x7f}},
{"rsi", 1, 8, 0x7f, []byte{0x48, 0xc7, 0x46, 0x01, 0x7f, 0x00, 0x00, 0x00}},
{"rsi", 1, 4, 0x7f, []byte{0xc7, 0x46, 0x01, 0x7f, 0x00, 0x00, 0x00}},
{"rsi", 1, 2, 0x7f, []byte{0x66, 0xc7, 0x46, 0x01, 0x7f, 0x00}},
{"rsi", 1, 1, 0x7f, []byte{0xc6, 0x46, 0x01, 0x7f}},
{"rbp", 1, 8, 0x7f, []byte{0x48, 0xc7, 0x45, 0x01, 0x7f, 0x00, 0x00, 0x00}},
{"rbp", 1, 4, 0x7f, []byte{0xc7, 0x45, 0x01, 0x7f, 0x00, 0x00, 0x00}},
{"rbp", 1, 2, 0x7f, []byte{0x66, 0xc7, 0x45, 0x01, 0x7f, 0x00}},
{"rbp", 1, 1, 0x7f, []byte{0xc6, 0x45, 0x01, 0x7f}},
{"rsp", 1, 8, 0x7f, []byte{0x48, 0xc7, 0x44, 0x24, 0x01, 0x7f, 0x00, 0x00, 0x00}},
{"rsp", 1, 4, 0x7f, []byte{0xc7, 0x44, 0x24, 0x01, 0x7f, 0x00, 0x00, 0x00}},
{"rsp", 1, 2, 0x7f, []byte{0x66, 0xc7, 0x44, 0x24, 0x01, 0x7f, 0x00}},
{"rsp", 1, 1, 0x7f, []byte{0xc6, 0x44, 0x24, 0x01, 0x7f}},
{"r8", 1, 8, 0x7f, []byte{0x49, 0xc7, 0x40, 0x01, 0x7f, 0x00, 0x00, 0x00}},
{"r8", 1, 4, 0x7f, []byte{0x41, 0xc7, 0x40, 0x01, 0x7f, 0x00, 0x00, 0x00}},
{"r8", 1, 2, 0x7f, []byte{0x66, 0x41, 0xc7, 0x40, 0x01, 0x7f, 0x00}},
{"r8", 1, 1, 0x7f, []byte{0x41, 0xc6, 0x40, 0x01, 0x7f}},
{"r9", 1, 8, 0x7f, []byte{0x49, 0xc7, 0x41, 0x01, 0x7f, 0x00, 0x00, 0x00}},
{"r9", 1, 4, 0x7f, []byte{0x41, 0xc7, 0x41, 0x01, 0x7f, 0x00, 0x00, 0x00}},
{"r9", 1, 2, 0x7f, []byte{0x66, 0x41, 0xc7, 0x41, 0x01, 0x7f, 0x00}},
{"r9", 1, 1, 0x7f, []byte{0x41, 0xc6, 0x41, 0x01, 0x7f}},
{"r10", 1, 8, 0x7f, []byte{0x49, 0xc7, 0x42, 0x01, 0x7f, 0x00, 0x00, 0x00}},
{"r10", 1, 4, 0x7f, []byte{0x41, 0xc7, 0x42, 0x01, 0x7f, 0x00, 0x00, 0x00}},
{"r10", 1, 2, 0x7f, []byte{0x66, 0x41, 0xc7, 0x42, 0x01, 0x7f, 0x00}},
{"r10", 1, 1, 0x7f, []byte{0x41, 0xc6, 0x42, 0x01, 0x7f}},
{"r11", 1, 8, 0x7f, []byte{0x49, 0xc7, 0x43, 0x01, 0x7f, 0x00, 0x00, 0x00}},
{"r11", 1, 4, 0x7f, []byte{0x41, 0xc7, 0x43, 0x01, 0x7f, 0x00, 0x00, 0x00}},
{"r11", 1, 2, 0x7f, []byte{0x66, 0x41, 0xc7, 0x43, 0x01, 0x7f, 0x00}},
{"r11", 1, 1, 0x7f, []byte{0x41, 0xc6, 0x43, 0x01, 0x7f}},
{"r12", 1, 8, 0x7f, []byte{0x49, 0xc7, 0x44, 0x24, 0x01, 0x7f, 0x00, 0x00, 0x00}},
{"r12", 1, 4, 0x7f, []byte{0x41, 0xc7, 0x44, 0x24, 0x01, 0x7f, 0x00, 0x00, 0x00}},
{"r12", 1, 2, 0x7f, []byte{0x66, 0x41, 0xc7, 0x44, 0x24, 0x01, 0x7f, 0x00}},
{"r12", 1, 1, 0x7f, []byte{0x41, 0xc6, 0x44, 0x24, 0x01, 0x7f}},
{"r13", 1, 8, 0x7f, []byte{0x49, 0xc7, 0x45, 0x01, 0x7f, 0x00, 0x00, 0x00}},
{"r13", 1, 4, 0x7f, []byte{0x41, 0xc7, 0x45, 0x01, 0x7f, 0x00, 0x00, 0x00}},
{"r13", 1, 2, 0x7f, []byte{0x66, 0x41, 0xc7, 0x45, 0x01, 0x7f, 0x00}},
{"r13", 1, 1, 0x7f, []byte{0x41, 0xc6, 0x45, 0x01, 0x7f}},
{"r14", 1, 8, 0x7f, []byte{0x49, 0xc7, 0x46, 0x01, 0x7f, 0x00, 0x00, 0x00}},
{"r14", 1, 4, 0x7f, []byte{0x41, 0xc7, 0x46, 0x01, 0x7f, 0x00, 0x00, 0x00}},
{"r14", 1, 2, 0x7f, []byte{0x66, 0x41, 0xc7, 0x46, 0x01, 0x7f, 0x00}},
{"r14", 1, 1, 0x7f, []byte{0x41, 0xc6, 0x46, 0x01, 0x7f}},
{"r15", 1, 8, 0x7f, []byte{0x49, 0xc7, 0x47, 0x01, 0x7f, 0x00, 0x00, 0x00}},
{"r15", 1, 4, 0x7f, []byte{0x41, 0xc7, 0x47, 0x01, 0x7f, 0x00, 0x00, 0x00}},
{"r15", 1, 2, 0x7f, []byte{0x66, 0x41, 0xc7, 0x47, 0x01, 0x7f, 0x00}},
{"r15", 1, 1, 0x7f, []byte{0x41, 0xc6, 0x47, 0x01, 0x7f}},
}
for _, pattern := range usagePatterns {
a := asm.New()
t.Logf("store %dB [%s+%d], %d", pattern.ByteCount, pattern.Register, pattern.Offset, pattern.Number)
a.StoreNumber(pattern.Register, pattern.Offset, pattern.ByteCount, uint64(pattern.Number))
assert.DeepEqual(t, a.Code(), pattern.Code)
}
}
func TestStoreRegister(t *testing.T) {
usagePatterns := []struct {
RegisterTo string
Offset byte
ByteCount byte
RegisterFrom string
Code []byte
}{
{"rax", 1, 8, "rax", []byte{0x48, 0x89, 0x40, 0x01}},
{"rax", 1, 4, "eax", []byte{0x89, 0x40, 0x01}},
{"rax", 1, 2, "ax", []byte{0x66, 0x89, 0x40, 0x01}},
{"rax", 1, 1, "al", []byte{0x88, 0x40, 0x01}},
{"rcx", 1, 8, "rcx", []byte{0x48, 0x89, 0x49, 0x01}},
{"rcx", 1, 4, "ecx", []byte{0x89, 0x49, 0x01}},
{"rcx", 1, 2, "cx", []byte{0x66, 0x89, 0x49, 0x01}},
{"rcx", 1, 1, "cl", []byte{0x88, 0x49, 0x01}},
{"rdx", 1, 8, "rdx", []byte{0x48, 0x89, 0x52, 0x01}},
{"rdx", 1, 4, "edx", []byte{0x89, 0x52, 0x01}},
{"rdx", 1, 2, "dx", []byte{0x66, 0x89, 0x52, 0x01}},
{"rdx", 1, 1, "dl", []byte{0x88, 0x52, 0x01}},
{"rbx", 1, 8, "rbx", []byte{0x48, 0x89, 0x5b, 0x01}},
{"rbx", 1, 4, "ebx", []byte{0x89, 0x5b, 0x01}},
{"rbx", 1, 2, "bx", []byte{0x66, 0x89, 0x5b, 0x01}},
{"rbx", 1, 1, "bl", []byte{0x88, 0x5b, 0x01}},
{"rdi", 1, 8, "rdi", []byte{0x48, 0x89, 0x7f, 0x01}},
{"rdi", 1, 4, "edi", []byte{0x89, 0x7f, 0x01}},
{"rdi", 1, 2, "di", []byte{0x66, 0x89, 0x7f, 0x01}},
{"rdi", 1, 1, "dl", []byte{0x88, 0x57, 0x01}},
{"rsi", 1, 8, "rsi", []byte{0x48, 0x89, 0x76, 0x01}},
{"rsi", 1, 4, "esi", []byte{0x89, 0x76, 0x01}},
{"rsi", 1, 2, "si", []byte{0x66, 0x89, 0x76, 0x01}},
{"rsi", 1, 1, "sil", []byte{0x40, 0x88, 0x76, 0x01}},
{"rbp", 1, 8, "rbp", []byte{0x48, 0x89, 0x6d, 0x01}},
{"rbp", 1, 4, "ebp", []byte{0x89, 0x6d, 0x01}},
{"rbp", 1, 2, "bp", []byte{0x66, 0x89, 0x6d, 0x01}},
{"rbp", 1, 1, "bl", []byte{0x88, 0x5d, 0x01}},
{"rsp", 1, 8, "rsp", []byte{0x48, 0x89, 0x64, 0x24, 0x01}},
{"rsp", 1, 4, "esp", []byte{0x89, 0x64, 0x24, 0x01}},
{"rsp", 1, 2, "sp", []byte{0x66, 0x89, 0x64, 0x24, 0x01}},
{"rsp", 1, 1, "spl", []byte{0x40, 0x88, 0x64, 0x24, 0x01}},
{"r8", 1, 8, "r8", []byte{0x4d, 0x89, 0x40, 0x01}},
{"r8", 1, 4, "r8d", []byte{0x45, 0x89, 0x40, 0x01}},
{"r8", 1, 2, "r8w", []byte{0x66, 0x45, 0x89, 0x40, 0x01}},
{"r8", 1, 1, "r8b", []byte{0x45, 0x88, 0x40, 0x01}},
{"r9", 1, 8, "r9", []byte{0x4d, 0x89, 0x49, 0x01}},
{"r9", 1, 4, "r9d", []byte{0x45, 0x89, 0x49, 0x01}},
{"r9", 1, 2, "r9w", []byte{0x66, 0x45, 0x89, 0x49, 0x01}},
{"r9", 1, 1, "r9b", []byte{0x45, 0x88, 0x49, 0x01}},
{"r10", 1, 8, "r10", []byte{0x4d, 0x89, 0x52, 0x01}},
{"r10", 1, 4, "r10d", []byte{0x45, 0x89, 0x52, 0x01}},
{"r10", 1, 2, "r10w", []byte{0x66, 0x45, 0x89, 0x52, 0x01}},
{"r10", 1, 1, "r10b", []byte{0x45, 0x88, 0x52, 0x01}},
{"r11", 1, 8, "r11", []byte{0x4d, 0x89, 0x5b, 0x01}},
{"r11", 1, 4, "r11d", []byte{0x45, 0x89, 0x5b, 0x01}},
{"r11", 1, 2, "r11w", []byte{0x66, 0x45, 0x89, 0x5b, 0x01}},
{"r11", 1, 1, "r11b", []byte{0x45, 0x88, 0x5b, 0x01}},
{"r12", 1, 8, "r12", []byte{0x4d, 0x89, 0x64, 0x24, 0x01}},
{"r12", 1, 4, "r12d", []byte{0x45, 0x89, 0x64, 0x24, 0x01}},
{"r12", 1, 2, "r12w", []byte{0x66, 0x45, 0x89, 0x64, 0x24, 0x01}},
{"r12", 1, 1, "r12b", []byte{0x45, 0x88, 0x64, 0x24, 0x01}},
{"r13", 1, 8, "r13", []byte{0x4d, 0x89, 0x6d, 0x01}},
{"r13", 1, 4, "r13d", []byte{0x45, 0x89, 0x6d, 0x01}},
{"r13", 1, 2, "r13w", []byte{0x66, 0x45, 0x89, 0x6d, 0x01}},
{"r13", 1, 1, "r13b", []byte{0x45, 0x88, 0x6d, 0x01}},
{"r14", 1, 8, "r14", []byte{0x4d, 0x89, 0x76, 0x01}},
{"r14", 1, 4, "r14d", []byte{0x45, 0x89, 0x76, 0x01}},
{"r14", 1, 2, "r14w", []byte{0x66, 0x45, 0x89, 0x76, 0x01}},
{"r14", 1, 1, "r14b", []byte{0x45, 0x88, 0x76, 0x01}},
{"r15", 1, 8, "r15", []byte{0x4d, 0x89, 0x7f, 0x01}},
{"r15", 1, 4, "r15d", []byte{0x45, 0x89, 0x7f, 0x01}},
{"r15", 1, 2, "r15w", []byte{0x66, 0x45, 0x89, 0x7f, 0x01}},
{"r15", 1, 1, "r15b", []byte{0x45, 0x88, 0x7f, 0x01}},
}
for _, pattern := range usagePatterns {
a := asm.New()
t.Logf("store %dB [%s+%d], %s", pattern.ByteCount, pattern.RegisterTo, pattern.Offset, pattern.RegisterFrom)
a.StoreRegister(pattern.RegisterTo, pattern.Offset, pattern.ByteCount, pattern.RegisterFrom)
assert.DeepEqual(t, a.Code(), pattern.Code)
}
}