wasmtime-cli 44.0.1

Command-line interface for Wasmtime
Documentation 
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

;; Load i32 data with different offset/align arguments

(module
  (memory $mem0 0)
  (memory $mem1 1)
  (data (memory $mem1) (i32.const 0) "abcdefghijklmnopqrstuvwxyz")

  (func (export "8u_good1") (param $i i32) (result i32)
    (i32.load8_u $mem1 offset=0 (local.get $i))                   ;; 97 'a'
  )
  (func (export "8u_good2") (param $i i32) (result i32)
    (i32.load8_u $mem1 align=1 (local.get $i))                    ;; 97 'a'
  )
  (func (export "8u_good3") (param $i i32) (result i32)
    (i32.load8_u $mem1 offset=1 align=1 (local.get $i))           ;; 98 'b'
  )
  (func (export "8u_good4") (param $i i32) (result i32)
    (i32.load8_u $mem1 offset=2 align=1 (local.get $i))           ;; 99 'c'
  )
  (func (export "8u_good5") (param $i i32) (result i32)
    (i32.load8_u $mem1 offset=25 align=1 (local.get $i))          ;; 122 'z'
  )

  (func (export "8s_good1") (param $i i32) (result i32)
    (i32.load8_s $mem1 offset=0 (local.get $i))                   ;; 97 'a'
  )
  (func (export "8s_good2") (param $i i32) (result i32)
    (i32.load8_s $mem1 align=1 (local.get $i))                    ;; 97 'a'
  )
  (func (export "8s_good3") (param $i i32) (result i32)
    (i32.load8_s $mem1 offset=1 align=1 (local.get $i))           ;; 98 'b'
  )
  (func (export "8s_good4") (param $i i32) (result i32)
    (i32.load8_s $mem1 offset=2 align=1 (local.get $i))           ;; 99 'c'
  )
  (func (export "8s_good5") (param $i i32) (result i32)
    (i32.load8_s $mem1 offset=25 align=1 (local.get $i))          ;; 122 'z'
  )

  (func (export "16u_good1") (param $i i32) (result i32)
    (i32.load16_u $mem1 offset=0 (local.get $i))                  ;; 25185 'ab'
  )
  (func (export "16u_good2") (param $i i32) (result i32)
    (i32.load16_u $mem1 align=1 (local.get $i))                   ;; 25185 'ab'
  )
  (func (export "16u_good3") (param $i i32) (result i32)
    (i32.load16_u $mem1 offset=1 align=1 (local.get $i))          ;; 25442 'bc'
  )
  (func (export "16u_good4") (param $i i32) (result i32)
    (i32.load16_u $mem1 offset=2 align=2 (local.get $i))          ;; 25699 'cd'
  )
  (func (export "16u_good5") (param $i i32) (result i32)
    (i32.load16_u $mem1 offset=25 align=2 (local.get $i))         ;; 122 'z\0'
  )

  (func (export "16s_good1") (param $i i32) (result i32)
    (i32.load16_s $mem1 offset=0 (local.get $i))                  ;; 25185 'ab'
  )
  (func (export "16s_good2") (param $i i32) (result i32)
    (i32.load16_s $mem1 align=1 (local.get $i))                   ;; 25185 'ab'
  )
  (func (export "16s_good3") (param $i i32) (result i32)
    (i32.load16_s $mem1 offset=1 align=1 (local.get $i))          ;; 25442 'bc'
  )
  (func (export "16s_good4") (param $i i32) (result i32)
    (i32.load16_s $mem1 offset=2 align=2 (local.get $i))          ;; 25699 'cd'
  )
  (func (export "16s_good5") (param $i i32) (result i32)
    (i32.load16_s $mem1 offset=25 align=2 (local.get $i))         ;; 122 'z\0'
  )

  (func (export "32_good1") (param $i i32) (result i32)
    (i32.load $mem1 offset=0 (local.get $i))                      ;; 1684234849 'abcd'
  )
  (func (export "32_good2") (param $i i32) (result i32)
    (i32.load $mem1 align=1 (local.get $i))                       ;; 1684234849 'abcd'
  )
  (func (export "32_good3") (param $i i32) (result i32)
    (i32.load $mem1 offset=1 align=1 (local.get $i))              ;; 1701077858 'bcde'
  )
  (func (export "32_good4") (param $i i32) (result i32)
    (i32.load $mem1 offset=2 align=2 (local.get $i))              ;; 1717920867 'cdef'
  )
  (func (export "32_good5") (param $i i32) (result i32)
    (i32.load $mem1 offset=25 align=4 (local.get $i))             ;; 122 'z\0\0\0'
  )

  (func (export "8u_bad") (param $i i32)
    (drop (i32.load8_u $mem1 offset=4294967295 (local.get $i)))
  )
  (func (export "8s_bad") (param $i i32)
    (drop (i32.load8_s $mem1 offset=4294967295 (local.get $i)))
  )
  (func (export "16u_bad") (param $i i32)
    (drop (i32.load16_u $mem1 offset=4294967295 (local.get $i)))
  )
  (func (export "16s_bad") (param $i i32)
    (drop (i32.load16_s $mem1 offset=4294967295 (local.get $i)))
  )
  (func (export "32_bad") (param $i i32)
    (drop (i32.load $mem1 offset=4294967295 (local.get $i)))
  )
)

(assert_return (invoke "8u_good1" (i32.const 0)) (i32.const 97))
(assert_return (invoke "8u_good2" (i32.const 0)) (i32.const 97))
(assert_return (invoke "8u_good3" (i32.const 0)) (i32.const 98))
(assert_return (invoke "8u_good4" (i32.const 0)) (i32.const 99))
(assert_return (invoke "8u_good5" (i32.const 0)) (i32.const 122))

(assert_return (invoke "8s_good1" (i32.const 0)) (i32.const 97))
(assert_return (invoke "8s_good2" (i32.const 0)) (i32.const 97))
(assert_return (invoke "8s_good3" (i32.const 0)) (i32.const 98))
(assert_return (invoke "8s_good4" (i32.const 0)) (i32.const 99))
(assert_return (invoke "8s_good5" (i32.const 0)) (i32.const 122))

(assert_return (invoke "16u_good1" (i32.const 0)) (i32.const 25185))
(assert_return (invoke "16u_good2" (i32.const 0)) (i32.const 25185))
(assert_return (invoke "16u_good3" (i32.const 0)) (i32.const 25442))
(assert_return (invoke "16u_good4" (i32.const 0)) (i32.const 25699))
(assert_return (invoke "16u_good5" (i32.const 0)) (i32.const 122))

(assert_return (invoke "16s_good1" (i32.const 0)) (i32.const 25185))
(assert_return (invoke "16s_good2" (i32.const 0)) (i32.const 25185))
(assert_return (invoke "16s_good3" (i32.const 0)) (i32.const 25442))
(assert_return (invoke "16s_good4" (i32.const 0)) (i32.const 25699))
(assert_return (invoke "16s_good5" (i32.const 0)) (i32.const 122))

(assert_return (invoke "32_good1" (i32.const 0)) (i32.const 1684234849))
(assert_return (invoke "32_good2" (i32.const 0)) (i32.const 1684234849))
(assert_return (invoke "32_good3" (i32.const 0)) (i32.const 1701077858))
(assert_return (invoke "32_good4" (i32.const 0)) (i32.const 1717920867))
(assert_return (invoke "32_good5" (i32.const 0)) (i32.const 122))

(assert_return (invoke "8u_good1" (i32.const 65507)) (i32.const 0))
(assert_return (invoke "8u_good2" (i32.const 65507)) (i32.const 0))
(assert_return (invoke "8u_good3" (i32.const 65507)) (i32.const 0))
(assert_return (invoke "8u_good4" (i32.const 65507)) (i32.const 0))
(assert_return (invoke "8u_good5" (i32.const 65507)) (i32.const 0))

(assert_return (invoke "8s_good1" (i32.const 65507)) (i32.const 0))
(assert_return (invoke "8s_good2" (i32.const 65507)) (i32.const 0))
(assert_return (invoke "8s_good3" (i32.const 65507)) (i32.const 0))
(assert_return (invoke "8s_good4" (i32.const 65507)) (i32.const 0))
(assert_return (invoke "8s_good5" (i32.const 65507)) (i32.const 0))

(assert_return (invoke "16u_good1" (i32.const 65507)) (i32.const 0))
(assert_return (invoke "16u_good2" (i32.const 65507)) (i32.const 0))
(assert_return (invoke "16u_good3" (i32.const 65507)) (i32.const 0))
(assert_return (invoke "16u_good4" (i32.const 65507)) (i32.const 0))
(assert_return (invoke "16u_good5" (i32.const 65507)) (i32.const 0))

(assert_return (invoke "16s_good1" (i32.const 65507)) (i32.const 0))
(assert_return (invoke "16s_good2" (i32.const 65507)) (i32.const 0))
(assert_return (invoke "16s_good3" (i32.const 65507)) (i32.const 0))
(assert_return (invoke "16s_good4" (i32.const 65507)) (i32.const 0))
(assert_return (invoke "16s_good5" (i32.const 65507)) (i32.const 0))

(assert_return (invoke "32_good1" (i32.const 65507)) (i32.const 0))
(assert_return (invoke "32_good2" (i32.const 65507)) (i32.const 0))
(assert_return (invoke "32_good3" (i32.const 65507)) (i32.const 0))
(assert_return (invoke "32_good4" (i32.const 65507)) (i32.const 0))
(assert_return (invoke "32_good5" (i32.const 65507)) (i32.const 0))

(assert_return (invoke "8u_good1" (i32.const 65508)) (i32.const 0))
(assert_return (invoke "8u_good2" (i32.const 65508)) (i32.const 0))
(assert_return (invoke "8u_good3" (i32.const 65508)) (i32.const 0))
(assert_return (invoke "8u_good4" (i32.const 65508)) (i32.const 0))
(assert_return (invoke "8u_good5" (i32.const 65508)) (i32.const 0))

(assert_return (invoke "8s_good1" (i32.const 65508)) (i32.const 0))
(assert_return (invoke "8s_good2" (i32.const 65508)) (i32.const 0))
(assert_return (invoke "8s_good3" (i32.const 65508)) (i32.const 0))
(assert_return (invoke "8s_good4" (i32.const 65508)) (i32.const 0))
(assert_return (invoke "8s_good5" (i32.const 65508)) (i32.const 0))

(assert_return (invoke "16u_good1" (i32.const 65508)) (i32.const 0))
(assert_return (invoke "16u_good2" (i32.const 65508)) (i32.const 0))
(assert_return (invoke "16u_good3" (i32.const 65508)) (i32.const 0))
(assert_return (invoke "16u_good4" (i32.const 65508)) (i32.const 0))
(assert_return (invoke "16u_good5" (i32.const 65508)) (i32.const 0))

(assert_return (invoke "16s_good1" (i32.const 65508)) (i32.const 0))
(assert_return (invoke "16s_good2" (i32.const 65508)) (i32.const 0))
(assert_return (invoke "16s_good3" (i32.const 65508)) (i32.const 0))
(assert_return (invoke "16s_good4" (i32.const 65508)) (i32.const 0))
(assert_return (invoke "16s_good5" (i32.const 65508)) (i32.const 0))

(assert_return (invoke "32_good1" (i32.const 65508)) (i32.const 0))
(assert_return (invoke "32_good2" (i32.const 65508)) (i32.const 0))
(assert_return (invoke "32_good3" (i32.const 65508)) (i32.const 0))
(assert_return (invoke "32_good4" (i32.const 65508)) (i32.const 0))
(assert_trap (invoke "32_good5" (i32.const 65508)) "out of bounds memory access")

(assert_trap (invoke "8u_good3" (i32.const -1)) "out of bounds memory access")
(assert_trap (invoke "8s_good3" (i32.const -1)) "out of bounds memory access")
(assert_trap (invoke "16u_good3" (i32.const -1)) "out of bounds memory access")
(assert_trap (invoke "16s_good3" (i32.const -1)) "out of bounds memory access")
(assert_trap (invoke "32_good3" (i32.const -1)) "out of bounds memory access")
(assert_trap (invoke "32_good3" (i32.const -1)) "out of bounds memory access")

(assert_trap (invoke "8u_bad" (i32.const 0)) "out of bounds memory access")
(assert_trap (invoke "8s_bad" (i32.const 0)) "out of bounds memory access")
(assert_trap (invoke "16u_bad" (i32.const 0)) "out of bounds memory access")
(assert_trap (invoke "16s_bad" (i32.const 0)) "out of bounds memory access")
(assert_trap (invoke "32_bad" (i32.const 0)) "out of bounds memory access")

(assert_trap (invoke "8u_bad" (i32.const 1)) "out of bounds memory access")
(assert_trap (invoke "8s_bad" (i32.const 1)) "out of bounds memory access")
(assert_trap (invoke "16u_bad" (i32.const 1)) "out of bounds memory access")
(assert_trap (invoke "16s_bad" (i32.const 1)) "out of bounds memory access")
(assert_trap (invoke "32_bad" (i32.const 1)) "out of bounds memory access")