a.out.go raw
1 // Copyright 2018 The Go Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style
3 // license that can be found in the LICENSE file.
4
5 package wasm
6
7 import "github.com/twitchyliquid64/golang-asm/obj"
8
9 //go:generate go run ../stringer.go -i $GOFILE -o anames.go -p wasm
10
11 const (
12 /* mark flags */
13 DONE = 1 << iota
14 PRESERVEFLAGS // not allowed to clobber flags
15 )
16
17 /*
18 * wasm
19 */
20 const (
21 ACallImport = obj.ABaseWasm + obj.A_ARCHSPECIFIC + iota
22 AGet
23 ASet
24 ATee
25 ANot // alias for I32Eqz
26
27 // The following are low-level WebAssembly instructions.
28 // Their order matters, since it matches the opcode encoding.
29 // Gaps in the encoding are indicated by comments.
30
31 AUnreachable // opcode 0x00
32 ANop
33 ABlock
34 ALoop
35 AIf
36 AElse
37
38 AEnd // opcode 0x0B
39 ABr
40 ABrIf
41 ABrTable
42 // ACall and AReturn are WebAssembly instructions. obj.ACALL and obj.ARET are higher level instructions
43 // with Go semantics, e.g. they manipulate the Go stack on the linear memory.
44 AReturn
45 ACall
46 ACallIndirect
47
48 ADrop // opcode 0x1A
49 ASelect
50
51 ALocalGet // opcode 0x20
52 ALocalSet
53 ALocalTee
54 AGlobalGet
55 AGlobalSet
56
57 AI32Load // opcode 0x28
58 AI64Load
59 AF32Load
60 AF64Load
61 AI32Load8S
62 AI32Load8U
63 AI32Load16S
64 AI32Load16U
65 AI64Load8S
66 AI64Load8U
67 AI64Load16S
68 AI64Load16U
69 AI64Load32S
70 AI64Load32U
71 AI32Store
72 AI64Store
73 AF32Store
74 AF64Store
75 AI32Store8
76 AI32Store16
77 AI64Store8
78 AI64Store16
79 AI64Store32
80 ACurrentMemory
81 AGrowMemory
82
83 AI32Const
84 AI64Const
85 AF32Const
86 AF64Const
87
88 AI32Eqz
89 AI32Eq
90 AI32Ne
91 AI32LtS
92 AI32LtU
93 AI32GtS
94 AI32GtU
95 AI32LeS
96 AI32LeU
97 AI32GeS
98 AI32GeU
99
100 AI64Eqz
101 AI64Eq
102 AI64Ne
103 AI64LtS
104 AI64LtU
105 AI64GtS
106 AI64GtU
107 AI64LeS
108 AI64LeU
109 AI64GeS
110 AI64GeU
111
112 AF32Eq
113 AF32Ne
114 AF32Lt
115 AF32Gt
116 AF32Le
117 AF32Ge
118
119 AF64Eq
120 AF64Ne
121 AF64Lt
122 AF64Gt
123 AF64Le
124 AF64Ge
125
126 AI32Clz
127 AI32Ctz
128 AI32Popcnt
129 AI32Add
130 AI32Sub
131 AI32Mul
132 AI32DivS
133 AI32DivU
134 AI32RemS
135 AI32RemU
136 AI32And
137 AI32Or
138 AI32Xor
139 AI32Shl
140 AI32ShrS
141 AI32ShrU
142 AI32Rotl
143 AI32Rotr
144
145 AI64Clz
146 AI64Ctz
147 AI64Popcnt
148 AI64Add
149 AI64Sub
150 AI64Mul
151 AI64DivS
152 AI64DivU
153 AI64RemS
154 AI64RemU
155 AI64And
156 AI64Or
157 AI64Xor
158 AI64Shl
159 AI64ShrS
160 AI64ShrU
161 AI64Rotl
162 AI64Rotr
163
164 AF32Abs
165 AF32Neg
166 AF32Ceil
167 AF32Floor
168 AF32Trunc
169 AF32Nearest
170 AF32Sqrt
171 AF32Add
172 AF32Sub
173 AF32Mul
174 AF32Div
175 AF32Min
176 AF32Max
177 AF32Copysign
178
179 AF64Abs
180 AF64Neg
181 AF64Ceil
182 AF64Floor
183 AF64Trunc
184 AF64Nearest
185 AF64Sqrt
186 AF64Add
187 AF64Sub
188 AF64Mul
189 AF64Div
190 AF64Min
191 AF64Max
192 AF64Copysign
193
194 AI32WrapI64
195 AI32TruncF32S
196 AI32TruncF32U
197 AI32TruncF64S
198 AI32TruncF64U
199 AI64ExtendI32S
200 AI64ExtendI32U
201 AI64TruncF32S
202 AI64TruncF32U
203 AI64TruncF64S
204 AI64TruncF64U
205 AF32ConvertI32S
206 AF32ConvertI32U
207 AF32ConvertI64S
208 AF32ConvertI64U
209 AF32DemoteF64
210 AF64ConvertI32S
211 AF64ConvertI32U
212 AF64ConvertI64S
213 AF64ConvertI64U
214 AF64PromoteF32
215 AI32ReinterpretF32
216 AI64ReinterpretF64
217 AF32ReinterpretI32
218 AF64ReinterpretI64
219 AI32Extend8S
220 AI32Extend16S
221 AI64Extend8S
222 AI64Extend16S
223 AI64Extend32S
224
225 AI32TruncSatF32S // opcode 0xFC 0x00
226 AI32TruncSatF32U
227 AI32TruncSatF64S
228 AI32TruncSatF64U
229 AI64TruncSatF32S
230 AI64TruncSatF32U
231 AI64TruncSatF64S
232 AI64TruncSatF64U
233
234 ALast // Sentinel: End of low-level WebAssembly instructions.
235
236 ARESUMEPOINT
237 // ACALLNORESUME is a call which is not followed by a resume point.
238 // It is allowed inside of WebAssembly blocks, whereas obj.ACALL is not.
239 // However, it is not allowed to switch goroutines while inside of an ACALLNORESUME call.
240 ACALLNORESUME
241
242 ARETUNWIND
243
244 AMOVB
245 AMOVH
246 AMOVW
247 AMOVD
248
249 AWORD
250 ALAST
251 )
252
253 const (
254 REG_NONE = 0
255 )
256
257 const (
258 // globals
259 REG_SP = obj.RBaseWasm + iota // SP is currently 32-bit, until 64-bit memory operations are available
260 REG_CTXT
261 REG_g
262 // RET* are used by runtime.return0 and runtime.reflectcall. These functions pass return values in registers.
263 REG_RET0
264 REG_RET1
265 REG_RET2
266 REG_RET3
267 REG_PAUSE
268
269 // i32 locals
270 REG_R0
271 REG_R1
272 REG_R2
273 REG_R3
274 REG_R4
275 REG_R5
276 REG_R6
277 REG_R7
278 REG_R8
279 REG_R9
280 REG_R10
281 REG_R11
282 REG_R12
283 REG_R13
284 REG_R14
285 REG_R15
286
287 // f32 locals
288 REG_F0
289 REG_F1
290 REG_F2
291 REG_F3
292 REG_F4
293 REG_F5
294 REG_F6
295 REG_F7
296 REG_F8
297 REG_F9
298 REG_F10
299 REG_F11
300 REG_F12
301 REG_F13
302 REG_F14
303 REG_F15
304
305 // f64 locals
306 REG_F16
307 REG_F17
308 REG_F18
309 REG_F19
310 REG_F20
311 REG_F21
312 REG_F22
313 REG_F23
314 REG_F24
315 REG_F25
316 REG_F26
317 REG_F27
318 REG_F28
319 REG_F29
320 REG_F30
321 REG_F31
322
323 REG_PC_B // also first parameter, i32
324
325 MAXREG
326
327 MINREG = REG_SP
328 REGSP = REG_SP
329 REGCTXT = REG_CTXT
330 REGG = REG_g
331 )
332