1 // Copyright 2015 the V8 project authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #ifndef V8_WASM_MACRO_GEN_H_ 6 #define V8_WASM_MACRO_GEN_H_ 7 8 #include "src/wasm/wasm-opcodes.h" 9 10 #include "src/zone-containers.h" 11 12 #define U32_LE(v) \ 13 static_cast<byte>(v), static_cast<byte>((v) >> 8), \ 14 static_cast<byte>((v) >> 16), static_cast<byte>((v) >> 24) 15 16 #define U16_LE(v) static_cast<byte>(v), static_cast<byte>((v) >> 8) 17 18 #define WASM_MODULE_HEADER U32_LE(kWasmMagic), U32_LE(kWasmVersion) 19 20 #define SIG_INDEX(v) U16_LE(v) 21 // TODO(binji): make SIG_INDEX match this. 22 #define IMPORT_SIG_INDEX(v) U32V_1(v) 23 #define FUNC_INDEX(v) U32V_1(v) 24 #define NO_NAME U32V_1(0) 25 #define NAME_LENGTH(v) U32V_1(v) 26 27 #define ZERO_ALIGNMENT 0 28 #define ZERO_OFFSET 0 29 30 #define BR_TARGET(v) U32_LE(v) 31 32 #define MASK_7 ((1 << 7) - 1) 33 #define MASK_14 ((1 << 14) - 1) 34 #define MASK_21 ((1 << 21) - 1) 35 #define MASK_28 ((1 << 28) - 1) 36 37 #define U32V_1(x) static_cast<byte>((x)&MASK_7) 38 #define U32V_2(x) \ 39 static_cast<byte>(((x)&MASK_7) | 0x80), static_cast<byte>(((x) >> 7) & MASK_7) 40 #define U32V_3(x) \ 41 static_cast<byte>((((x)) & MASK_7) | 0x80), \ 42 static_cast<byte>((((x) >> 7) & MASK_7) | 0x80), \ 43 static_cast<byte>(((x) >> 14) & MASK_7) 44 #define U32V_4(x) \ 45 static_cast<byte>(((x)&MASK_7) | 0x80), \ 46 static_cast<byte>((((x) >> 7) & MASK_7) | 0x80), \ 47 static_cast<byte>((((x) >> 14) & MASK_7) | 0x80), \ 48 static_cast<byte>(((x) >> 21) & MASK_7) 49 #define U32V_5(x) \ 50 static_cast<byte>(((x)&MASK_7) | 0x80), \ 51 static_cast<byte>((((x) >> 7) & MASK_7) | 0x80), \ 52 static_cast<byte>((((x) >> 14) & MASK_7) | 0x80), \ 53 static_cast<byte>((((x) >> 21) & MASK_7) | 0x80), \ 54 static_cast<byte>((((x) >> 28) & MASK_7)) 55 56 // Convenience macros for building Wasm bytecode directly into a byte array. 57 58 //------------------------------------------------------------------------------ 59 // Control. 60 //------------------------------------------------------------------------------ 61 #define WASM_NOP kExprNop 62 63 #define ARITY_0 0 64 #define ARITY_1 1 65 #define DEPTH_0 0 66 #define DEPTH_1 1 67 68 #define WASM_BLOCK(count, ...) kExprBlock, __VA_ARGS__, kExprEnd 69 #define WASM_INFINITE_LOOP kExprLoop, kExprBr, ARITY_0, DEPTH_0, kExprEnd 70 #define WASM_LOOP(count, ...) kExprLoop, __VA_ARGS__, kExprEnd 71 #define WASM_IF(cond, tstmt) cond, kExprIf, tstmt, kExprEnd 72 #define WASM_IF_ELSE(cond, tstmt, fstmt) \ 73 cond, kExprIf, tstmt, kExprElse, fstmt, kExprEnd 74 #define WASM_SELECT(tval, fval, cond) tval, fval, cond, kExprSelect 75 #define WASM_BR(depth) kExprBr, ARITY_0, static_cast<byte>(depth) 76 #define WASM_BR_IF(depth, cond) \ 77 cond, kExprBrIf, ARITY_0, static_cast<byte>(depth) 78 #define WASM_BRV(depth, val) val, kExprBr, ARITY_1, static_cast<byte>(depth) 79 #define WASM_BRV_IF(depth, val, cond) \ 80 val, cond, kExprBrIf, ARITY_1, static_cast<byte>(depth) 81 #define WASM_BREAK(depth) kExprBr, ARITY_0, static_cast<byte>(depth + 1) 82 #define WASM_CONTINUE(depth) kExprBr, ARITY_0, static_cast<byte>(depth) 83 #define WASM_BREAKV(depth, val) \ 84 val, kExprBr, ARITY_1, static_cast<byte>(depth + 1) 85 #define WASM_RETURN0 kExprReturn, ARITY_0 86 #define WASM_RETURN1(val) val, kExprReturn, ARITY_1 87 #define WASM_RETURNN(count, ...) __VA_ARGS__, kExprReturn, count 88 #define WASM_UNREACHABLE kExprUnreachable 89 90 #define WASM_BR_TABLE(key, count, ...) \ 91 key, kExprBrTable, ARITY_0, U32V_1(count), __VA_ARGS__ 92 93 #define WASM_BR_TABLEV(val, key, count, ...) \ 94 val, key, kExprBrTable, ARITY_1, U32V_1(count), __VA_ARGS__ 95 96 #define WASM_CASE(x) static_cast<byte>(x), static_cast<byte>(x >> 8) 97 #define WASM_CASE_BR(x) static_cast<byte>(x), static_cast<byte>(0x80 | (x) >> 8) 98 99 //------------------------------------------------------------------------------ 100 // Misc expressions. 101 //------------------------------------------------------------------------------ 102 #define WASM_ID(...) __VA_ARGS__ 103 #define WASM_ZERO kExprI8Const, 0 104 #define WASM_ONE kExprI8Const, 1 105 #define WASM_I8(val) kExprI8Const, static_cast<byte>(val) 106 107 #define I32V_MIN(length) -(1 << (6 + (7 * ((length) - 1)))) 108 #define I32V_MAX(length) ((1 << (6 + (7 * ((length) - 1)))) - 1) 109 #define I64V_MIN(length) -(1LL << (6 + (7 * ((length) - 1)))) 110 #define I64V_MAX(length) ((1LL << (6 + 7 * ((length) - 1))) - 1) 111 112 #define I32V_IN_RANGE(value, length) \ 113 ((value) >= I32V_MIN(length) && (value) <= I32V_MAX(length)) 114 #define I64V_IN_RANGE(value, length) \ 115 ((value) >= I64V_MIN(length) && (value) <= I64V_MAX(length)) 116 117 #define WASM_NO_LOCALS 0 118 119 namespace v8 { 120 namespace internal { 121 namespace wasm { 122 123 inline void CheckI32v(int32_t value, int length) { 124 DCHECK(length >= 1 && length <= 5); 125 DCHECK(length == 5 || I32V_IN_RANGE(value, length)); 126 } 127 128 inline void CheckI64v(int64_t value, int length) { 129 DCHECK(length >= 1 && length <= 10); 130 DCHECK(length == 10 || I64V_IN_RANGE(value, length)); 131 } 132 133 // A helper for encoding local declarations prepended to the body of a 134 // function. 135 // TODO(titzer): move this to an appropriate header. 136 class LocalDeclEncoder { 137 public: 138 explicit LocalDeclEncoder(Zone* zone, FunctionSig* s = nullptr) 139 : sig(s), local_decls(zone), total(0) {} 140 141 // Prepend local declarations by creating a new buffer and copying data 142 // over. The new buffer must be delete[]'d by the caller. 143 void Prepend(Zone* zone, const byte** start, const byte** end) const { 144 size_t size = (*end - *start); 145 byte* buffer = reinterpret_cast<byte*>(zone->New(Size() + size)); 146 size_t pos = Emit(buffer); 147 memcpy(buffer + pos, *start, size); 148 pos += size; 149 *start = buffer; 150 *end = buffer + pos; 151 } 152 153 size_t Emit(byte* buffer) const { 154 size_t pos = 0; 155 pos = WriteUint32v(buffer, pos, static_cast<uint32_t>(local_decls.size())); 156 for (size_t i = 0; i < local_decls.size(); ++i) { 157 pos = WriteUint32v(buffer, pos, local_decls[i].first); 158 buffer[pos++] = WasmOpcodes::LocalTypeCodeFor(local_decls[i].second); 159 } 160 DCHECK_EQ(Size(), pos); 161 return pos; 162 } 163 164 // Add locals declarations to this helper. Return the index of the newly added 165 // local(s), with an optional adjustment for the parameters. 166 uint32_t AddLocals(uint32_t count, LocalType type) { 167 uint32_t result = 168 static_cast<uint32_t>(total + (sig ? sig->parameter_count() : 0)); 169 total += count; 170 if (local_decls.size() > 0 && local_decls.back().second == type) { 171 count += local_decls.back().first; 172 local_decls.pop_back(); 173 } 174 local_decls.push_back(std::pair<uint32_t, LocalType>(count, type)); 175 return result; 176 } 177 178 size_t Size() const { 179 size_t size = SizeofUint32v(static_cast<uint32_t>(local_decls.size())); 180 for (auto p : local_decls) size += 1 + SizeofUint32v(p.first); 181 return size; 182 } 183 184 bool has_sig() const { return sig != nullptr; } 185 FunctionSig* get_sig() const { return sig; } 186 void set_sig(FunctionSig* s) { sig = s; } 187 188 private: 189 FunctionSig* sig; 190 ZoneVector<std::pair<uint32_t, LocalType>> local_decls; 191 size_t total; 192 193 size_t SizeofUint32v(uint32_t val) const { 194 size_t size = 1; 195 while (true) { 196 byte b = val & MASK_7; 197 if (b == val) return size; 198 size++; 199 val = val >> 7; 200 } 201 } 202 203 // TODO(titzer): lift encoding of u32v to a common place. 204 size_t WriteUint32v(byte* buffer, size_t pos, uint32_t val) const { 205 while (true) { 206 byte b = val & MASK_7; 207 if (b == val) { 208 buffer[pos++] = b; 209 break; 210 } 211 buffer[pos++] = 0x80 | b; 212 val = val >> 7; 213 } 214 return pos; 215 } 216 }; 217 } // namespace wasm 218 } // namespace internal 219 } // namespace v8 220 221 //------------------------------------------------------------------------------ 222 // Int32 Const operations 223 //------------------------------------------------------------------------------ 224 #define WASM_I32V(val) kExprI32Const, U32V_5(val) 225 226 #define WASM_I32V_1(val) \ 227 static_cast<byte>(CheckI32v((val), 1), kExprI32Const), U32V_1(val) 228 #define WASM_I32V_2(val) \ 229 static_cast<byte>(CheckI32v((val), 2), kExprI32Const), U32V_2(val) 230 #define WASM_I32V_3(val) \ 231 static_cast<byte>(CheckI32v((val), 3), kExprI32Const), U32V_3(val) 232 #define WASM_I32V_4(val) \ 233 static_cast<byte>(CheckI32v((val), 4), kExprI32Const), U32V_4(val) 234 #define WASM_I32V_5(val) \ 235 static_cast<byte>(CheckI32v((val), 5), kExprI32Const), U32V_5(val) 236 237 //------------------------------------------------------------------------------ 238 // Int64 Const operations 239 //------------------------------------------------------------------------------ 240 #define WASM_I64V(val) \ 241 kExprI64Const, \ 242 static_cast<byte>((static_cast<int64_t>(val) & MASK_7) | 0x80), \ 243 static_cast<byte>(((static_cast<int64_t>(val) >> 7) & MASK_7) | 0x80), \ 244 static_cast<byte>(((static_cast<int64_t>(val) >> 14) & MASK_7) | 0x80), \ 245 static_cast<byte>(((static_cast<int64_t>(val) >> 21) & MASK_7) | 0x80), \ 246 static_cast<byte>(((static_cast<int64_t>(val) >> 28) & MASK_7) | 0x80), \ 247 static_cast<byte>(((static_cast<int64_t>(val) >> 35) & MASK_7) | 0x80), \ 248 static_cast<byte>(((static_cast<int64_t>(val) >> 42) & MASK_7) | 0x80), \ 249 static_cast<byte>(((static_cast<int64_t>(val) >> 49) & MASK_7) | 0x80), \ 250 static_cast<byte>(((static_cast<int64_t>(val) >> 56) & MASK_7) | 0x80), \ 251 static_cast<byte>((static_cast<int64_t>(val) >> 63) & MASK_7) 252 253 #define WASM_I64V_1(val) \ 254 static_cast<byte>(CheckI64v(static_cast<int64_t>(val), 1), kExprI64Const), \ 255 static_cast<byte>(static_cast<int64_t>(val) & MASK_7) 256 #define WASM_I64V_2(val) \ 257 static_cast<byte>(CheckI64v(static_cast<int64_t>(val), 2), kExprI64Const), \ 258 static_cast<byte>((static_cast<int64_t>(val) & MASK_7) | 0x80), \ 259 static_cast<byte>((static_cast<int64_t>(val) >> 7) & MASK_7) 260 #define WASM_I64V_3(val) \ 261 static_cast<byte>(CheckI64v(static_cast<int64_t>(val), 3), kExprI64Const), \ 262 static_cast<byte>((static_cast<int64_t>(val) & MASK_7) | 0x80), \ 263 static_cast<byte>(((static_cast<int64_t>(val) >> 7) & MASK_7) | 0x80), \ 264 static_cast<byte>((static_cast<int64_t>(val) >> 14) & MASK_7) 265 #define WASM_I64V_4(val) \ 266 static_cast<byte>(CheckI64v(static_cast<int64_t>(val), 4), kExprI64Const), \ 267 static_cast<byte>((static_cast<int64_t>(val) & MASK_7) | 0x80), \ 268 static_cast<byte>(((static_cast<int64_t>(val) >> 7) & MASK_7) | 0x80), \ 269 static_cast<byte>(((static_cast<int64_t>(val) >> 14) & MASK_7) | 0x80), \ 270 static_cast<byte>((static_cast<int64_t>(val) >> 21) & MASK_7) 271 #define WASM_I64V_5(val) \ 272 static_cast<byte>(CheckI64v(static_cast<int64_t>(val), 5), kExprI64Const), \ 273 static_cast<byte>((static_cast<int64_t>(val) & MASK_7) | 0x80), \ 274 static_cast<byte>(((static_cast<int64_t>(val) >> 7) & MASK_7) | 0x80), \ 275 static_cast<byte>(((static_cast<int64_t>(val) >> 14) & MASK_7) | 0x80), \ 276 static_cast<byte>(((static_cast<int64_t>(val) >> 21) & MASK_7) | 0x80), \ 277 static_cast<byte>((static_cast<int64_t>(val) >> 28) & MASK_7) 278 #define WASM_I64V_6(val) \ 279 static_cast<byte>(CheckI64v(static_cast<int64_t>(val), 6), kExprI64Const), \ 280 static_cast<byte>((static_cast<int64_t>(val) & MASK_7) | 0x80), \ 281 static_cast<byte>(((static_cast<int64_t>(val) >> 7) & MASK_7) | 0x80), \ 282 static_cast<byte>(((static_cast<int64_t>(val) >> 14) & MASK_7) | 0x80), \ 283 static_cast<byte>(((static_cast<int64_t>(val) >> 21) & MASK_7) | 0x80), \ 284 static_cast<byte>(((static_cast<int64_t>(val) >> 28) & MASK_7) | 0x80), \ 285 static_cast<byte>((static_cast<int64_t>(val) >> 35) & MASK_7) 286 #define WASM_I64V_7(val) \ 287 static_cast<byte>(CheckI64v(static_cast<int64_t>(val), 7), kExprI64Const), \ 288 static_cast<byte>((static_cast<int64_t>(val) & MASK_7) | 0x80), \ 289 static_cast<byte>(((static_cast<int64_t>(val) >> 7) & MASK_7) | 0x80), \ 290 static_cast<byte>(((static_cast<int64_t>(val) >> 14) & MASK_7) | 0x80), \ 291 static_cast<byte>(((static_cast<int64_t>(val) >> 21) & MASK_7) | 0x80), \ 292 static_cast<byte>(((static_cast<int64_t>(val) >> 28) & MASK_7) | 0x80), \ 293 static_cast<byte>(((static_cast<int64_t>(val) >> 35) & MASK_7) | 0x80), \ 294 static_cast<byte>((static_cast<int64_t>(val) >> 42) & MASK_7) 295 #define WASM_I64V_8(val) \ 296 static_cast<byte>(CheckI64v(static_cast<int64_t>(val), 8), kExprI64Const), \ 297 static_cast<byte>((static_cast<int64_t>(val) & MASK_7) | 0x80), \ 298 static_cast<byte>(((static_cast<int64_t>(val) >> 7) & MASK_7) | 0x80), \ 299 static_cast<byte>(((static_cast<int64_t>(val) >> 14) & MASK_7) | 0x80), \ 300 static_cast<byte>(((static_cast<int64_t>(val) >> 21) & MASK_7) | 0x80), \ 301 static_cast<byte>(((static_cast<int64_t>(val) >> 28) & MASK_7) | 0x80), \ 302 static_cast<byte>(((static_cast<int64_t>(val) >> 35) & MASK_7) | 0x80), \ 303 static_cast<byte>(((static_cast<int64_t>(val) >> 42) & MASK_7) | 0x80), \ 304 static_cast<byte>((static_cast<int64_t>(val) >> 49) & MASK_7) 305 #define WASM_I64V_9(val) \ 306 static_cast<byte>(CheckI64v(static_cast<int64_t>(val), 9), kExprI64Const), \ 307 static_cast<byte>((static_cast<int64_t>(val) & MASK_7) | 0x80), \ 308 static_cast<byte>(((static_cast<int64_t>(val) >> 7) & MASK_7) | 0x80), \ 309 static_cast<byte>(((static_cast<int64_t>(val) >> 14) & MASK_7) | 0x80), \ 310 static_cast<byte>(((static_cast<int64_t>(val) >> 21) & MASK_7) | 0x80), \ 311 static_cast<byte>(((static_cast<int64_t>(val) >> 28) & MASK_7) | 0x80), \ 312 static_cast<byte>(((static_cast<int64_t>(val) >> 35) & MASK_7) | 0x80), \ 313 static_cast<byte>(((static_cast<int64_t>(val) >> 42) & MASK_7) | 0x80), \ 314 static_cast<byte>(((static_cast<int64_t>(val) >> 49) & MASK_7) | 0x80), \ 315 static_cast<byte>((static_cast<int64_t>(val) >> 56) & MASK_7) 316 #define WASM_I64V_10(val) \ 317 static_cast<byte>(CheckI64v(static_cast<int64_t>(val), 10), kExprI64Const), \ 318 static_cast<byte>((static_cast<int64_t>(val) & MASK_7) | 0x80), \ 319 static_cast<byte>(((static_cast<int64_t>(val) >> 7) & MASK_7) | 0x80), \ 320 static_cast<byte>(((static_cast<int64_t>(val) >> 14) & MASK_7) | 0x80), \ 321 static_cast<byte>(((static_cast<int64_t>(val) >> 21) & MASK_7) | 0x80), \ 322 static_cast<byte>(((static_cast<int64_t>(val) >> 28) & MASK_7) | 0x80), \ 323 static_cast<byte>(((static_cast<int64_t>(val) >> 35) & MASK_7) | 0x80), \ 324 static_cast<byte>(((static_cast<int64_t>(val) >> 42) & MASK_7) | 0x80), \ 325 static_cast<byte>(((static_cast<int64_t>(val) >> 49) & MASK_7) | 0x80), \ 326 static_cast<byte>(((static_cast<int64_t>(val) >> 56) & MASK_7) | 0x80), \ 327 static_cast<byte>((static_cast<int64_t>(val) >> 63) & MASK_7) 328 329 #define WASM_F32(val) \ 330 kExprF32Const, \ 331 static_cast<byte>(bit_cast<int32_t>(static_cast<float>(val))), \ 332 static_cast<byte>(bit_cast<uint32_t>(static_cast<float>(val)) >> 8), \ 333 static_cast<byte>(bit_cast<uint32_t>(static_cast<float>(val)) >> 16), \ 334 static_cast<byte>(bit_cast<uint32_t>(static_cast<float>(val)) >> 24) 335 #define WASM_F64(val) \ 336 kExprF64Const, static_cast<byte>(bit_cast<uint64_t>(val)), \ 337 static_cast<byte>(bit_cast<uint64_t>(val) >> 8), \ 338 static_cast<byte>(bit_cast<uint64_t>(val) >> 16), \ 339 static_cast<byte>(bit_cast<uint64_t>(val) >> 24), \ 340 static_cast<byte>(bit_cast<uint64_t>(val) >> 32), \ 341 static_cast<byte>(bit_cast<uint64_t>(val) >> 40), \ 342 static_cast<byte>(bit_cast<uint64_t>(val) >> 48), \ 343 static_cast<byte>(bit_cast<uint64_t>(val) >> 56) 344 #define WASM_GET_LOCAL(index) kExprGetLocal, static_cast<byte>(index) 345 #define WASM_SET_LOCAL(index, val) val, kExprSetLocal, static_cast<byte>(index) 346 #define WASM_LOAD_GLOBAL(index) kExprLoadGlobal, static_cast<byte>(index) 347 #define WASM_STORE_GLOBAL(index, val) \ 348 val, kExprStoreGlobal, static_cast<byte>(index) 349 #define WASM_LOAD_MEM(type, index) \ 350 index, static_cast<byte>( \ 351 v8::internal::wasm::WasmOpcodes::LoadStoreOpcodeOf(type, false)), \ 352 ZERO_ALIGNMENT, ZERO_OFFSET 353 #define WASM_STORE_MEM(type, index, val) \ 354 index, val, \ 355 static_cast<byte>( \ 356 v8::internal::wasm::WasmOpcodes::LoadStoreOpcodeOf(type, true)), \ 357 ZERO_ALIGNMENT, ZERO_OFFSET 358 #define WASM_LOAD_MEM_OFFSET(type, offset, index) \ 359 index, static_cast<byte>( \ 360 v8::internal::wasm::WasmOpcodes::LoadStoreOpcodeOf(type, false)), \ 361 ZERO_ALIGNMENT, static_cast<byte>(offset) 362 #define WASM_STORE_MEM_OFFSET(type, offset, index, val) \ 363 index, val, \ 364 static_cast<byte>( \ 365 v8::internal::wasm::WasmOpcodes::LoadStoreOpcodeOf(type, true)), \ 366 ZERO_ALIGNMENT, static_cast<byte>(offset) 367 #define WASM_LOAD_MEM_ALIGNMENT(type, index, alignment) \ 368 index, static_cast<byte>( \ 369 v8::internal::wasm::WasmOpcodes::LoadStoreOpcodeOf(type, false)), \ 370 alignment, ZERO_OFFSET 371 #define WASM_STORE_MEM_ALIGNMENT(type, index, alignment, val) \ 372 index, val, \ 373 static_cast<byte>( \ 374 v8::internal::wasm::WasmOpcodes::LoadStoreOpcodeOf(type, true)), \ 375 alignment, ZERO_OFFSET 376 377 #define WASM_CALL_FUNCTION0(index) \ 378 kExprCallFunction, 0, static_cast<byte>(index) 379 #define WASM_CALL_FUNCTION1(index, a) \ 380 a, kExprCallFunction, 1, static_cast<byte>(index) 381 #define WASM_CALL_FUNCTION2(index, a, b) \ 382 a, b, kExprCallFunction, 2, static_cast<byte>(index) 383 #define WASM_CALL_FUNCTION3(index, a, b, c) \ 384 a, b, c, kExprCallFunction, 3, static_cast<byte>(index) 385 #define WASM_CALL_FUNCTION4(index, a, b, c, d) \ 386 a, b, c, d, kExprCallFunction, 4, static_cast<byte>(index) 387 #define WASM_CALL_FUNCTION5(index, a, b, c, d, e) \ 388 kExprCallFunction, 5, static_cast<byte>(index) 389 #define WASM_CALL_FUNCTIONN(arity, index, ...) \ 390 __VA_ARGS__, kExprCallFunction, arity, static_cast<byte>(index) 391 392 #define WASM_CALL_IMPORT0(index) kExprCallImport, 0, static_cast<byte>(index) 393 #define WASM_CALL_IMPORT1(index, a) \ 394 a, kExprCallImport, 1, static_cast<byte>(index) 395 #define WASM_CALL_IMPORT2(index, a, b) \ 396 a, b, kExprCallImport, 2, static_cast<byte>(index) 397 #define WASM_CALL_IMPORT3(index, a, b, c) \ 398 a, b, c, kExprCallImport, 3, static_cast<byte>(index) 399 #define WASM_CALL_IMPORT4(index, a, b, c, d) \ 400 a, b, c, d, kExprCallImport, 4, static_cast<byte>(index) 401 #define WASM_CALL_IMPORT5(index, a, b, c, d, e) \ 402 a, b, c, d, e, kExprCallImport, 5, static_cast<byte>(index) 403 #define WASM_CALL_IMPORTN(arity, index, ...) \ 404 __VA_ARGS__, kExprCallImport, U32V_1(arity), static_cast<byte>(index), 405 406 #define WASM_CALL_INDIRECT0(index, func) \ 407 func, kExprCallIndirect, 0, static_cast<byte>(index) 408 #define WASM_CALL_INDIRECT1(index, func, a) \ 409 func, a, kExprCallIndirect, 1, static_cast<byte>(index) 410 #define WASM_CALL_INDIRECT2(index, func, a, b) \ 411 func, a, b, kExprCallIndirect, 2, static_cast<byte>(index) 412 #define WASM_CALL_INDIRECT3(index, func, a, b, c) \ 413 func, a, b, c, kExprCallIndirect, 3, static_cast<byte>(index) 414 #define WASM_CALL_INDIRECT4(index, func, a, b, c, d) \ 415 func, a, b, c, d, kExprCallIndirect, 4, static_cast<byte>(index) 416 #define WASM_CALL_INDIRECT5(index, func, a, b, c, d, e) \ 417 func, a, b, c, d, e, kExprCallIndirect, 5, static_cast<byte>(index) 418 #define WASM_CALL_INDIRECTN(arity, index, func, ...) \ 419 func, __VA_ARGS__, kExprCallIndirect, U32V_1(arity), static_cast<byte>(index) 420 421 #define WASM_NOT(x) x, kExprI32Eqz 422 #define WASM_SEQ(...) __VA_ARGS__ 423 424 //------------------------------------------------------------------------------ 425 // Constructs that are composed of multiple bytecodes. 426 //------------------------------------------------------------------------------ 427 #define WASM_WHILE(x, y) \ 428 kExprLoop, x, kExprIf, y, kExprBr, ARITY_1, DEPTH_1, kExprEnd, kExprEnd 429 #define WASM_INC_LOCAL(index) \ 430 kExprGetLocal, static_cast<byte>(index), kExprI8Const, 1, kExprI32Add, \ 431 kExprSetLocal, static_cast<byte>(index) 432 #define WASM_INC_LOCAL_BY(index, count) \ 433 kExprGetLocal, static_cast<byte>(index), kExprI8Const, \ 434 static_cast<byte>(count), kExprI32Add, kExprSetLocal, \ 435 static_cast<byte>(index) 436 #define WASM_UNOP(opcode, x) x, static_cast<byte>(opcode) 437 #define WASM_BINOP(opcode, x, y) x, y, static_cast<byte>(opcode) 438 439 //------------------------------------------------------------------------------ 440 // Int32 operations 441 //------------------------------------------------------------------------------ 442 #define WASM_I32_ADD(x, y) x, y, kExprI32Add 443 #define WASM_I32_SUB(x, y) x, y, kExprI32Sub 444 #define WASM_I32_MUL(x, y) x, y, kExprI32Mul 445 #define WASM_I32_DIVS(x, y) x, y, kExprI32DivS 446 #define WASM_I32_DIVU(x, y) x, y, kExprI32DivU 447 #define WASM_I32_REMS(x, y) x, y, kExprI32RemS 448 #define WASM_I32_REMU(x, y) x, y, kExprI32RemU 449 #define WASM_I32_AND(x, y) x, y, kExprI32And 450 #define WASM_I32_IOR(x, y) x, y, kExprI32Ior 451 #define WASM_I32_XOR(x, y) x, y, kExprI32Xor 452 #define WASM_I32_SHL(x, y) x, y, kExprI32Shl 453 #define WASM_I32_SHR(x, y) x, y, kExprI32ShrU 454 #define WASM_I32_SAR(x, y) x, y, kExprI32ShrS 455 #define WASM_I32_ROR(x, y) x, y, kExprI32Ror 456 #define WASM_I32_ROL(x, y) x, y, kExprI32Rol 457 #define WASM_I32_EQ(x, y) x, y, kExprI32Eq 458 #define WASM_I32_NE(x, y) x, y, kExprI32Ne 459 #define WASM_I32_LTS(x, y) x, y, kExprI32LtS 460 #define WASM_I32_LES(x, y) x, y, kExprI32LeS 461 #define WASM_I32_LTU(x, y) x, y, kExprI32LtU 462 #define WASM_I32_LEU(x, y) x, y, kExprI32LeU 463 #define WASM_I32_GTS(x, y) x, y, kExprI32GtS 464 #define WASM_I32_GES(x, y) x, y, kExprI32GeS 465 #define WASM_I32_GTU(x, y) x, y, kExprI32GtU 466 #define WASM_I32_GEU(x, y) x, y, kExprI32GeU 467 #define WASM_I32_CLZ(x) x, kExprI32Clz 468 #define WASM_I32_CTZ(x) x, kExprI32Ctz 469 #define WASM_I32_POPCNT(x) x, kExprI32Popcnt 470 #define WASM_I32_EQZ(x) x, kExprI32Eqz 471 472 //------------------------------------------------------------------------------ 473 // Int64 operations 474 //------------------------------------------------------------------------------ 475 #define WASM_I64_ADD(x, y) x, y, kExprI64Add 476 #define WASM_I64_SUB(x, y) x, y, kExprI64Sub 477 #define WASM_I64_MUL(x, y) x, y, kExprI64Mul 478 #define WASM_I64_DIVS(x, y) x, y, kExprI64DivS 479 #define WASM_I64_DIVU(x, y) x, y, kExprI64DivU 480 #define WASM_I64_REMS(x, y) x, y, kExprI64RemS 481 #define WASM_I64_REMU(x, y) x, y, kExprI64RemU 482 #define WASM_I64_AND(x, y) x, y, kExprI64And 483 #define WASM_I64_IOR(x, y) x, y, kExprI64Ior 484 #define WASM_I64_XOR(x, y) x, y, kExprI64Xor 485 #define WASM_I64_SHL(x, y) x, y, kExprI64Shl 486 #define WASM_I64_SHR(x, y) x, y, kExprI64ShrU 487 #define WASM_I64_SAR(x, y) x, y, kExprI64ShrS 488 #define WASM_I64_ROR(x, y) x, y, kExprI64Ror 489 #define WASM_I64_ROL(x, y) x, y, kExprI64Rol 490 #define WASM_I64_EQ(x, y) x, y, kExprI64Eq 491 #define WASM_I64_NE(x, y) x, y, kExprI64Ne 492 #define WASM_I64_LTS(x, y) x, y, kExprI64LtS 493 #define WASM_I64_LES(x, y) x, y, kExprI64LeS 494 #define WASM_I64_LTU(x, y) x, y, kExprI64LtU 495 #define WASM_I64_LEU(x, y) x, y, kExprI64LeU 496 #define WASM_I64_GTS(x, y) x, y, kExprI64GtS 497 #define WASM_I64_GES(x, y) x, y, kExprI64GeS 498 #define WASM_I64_GTU(x, y) x, y, kExprI64GtU 499 #define WASM_I64_GEU(x, y) x, y, kExprI64GeU 500 #define WASM_I64_CLZ(x) x, kExprI64Clz 501 #define WASM_I64_CTZ(x) x, kExprI64Ctz 502 #define WASM_I64_POPCNT(x) x, kExprI64Popcnt 503 #define WASM_I64_EQZ(x) x, kExprI64Eqz 504 505 //------------------------------------------------------------------------------ 506 // Float32 operations 507 //------------------------------------------------------------------------------ 508 #define WASM_F32_ADD(x, y) x, y, kExprF32Add 509 #define WASM_F32_SUB(x, y) x, y, kExprF32Sub 510 #define WASM_F32_MUL(x, y) x, y, kExprF32Mul 511 #define WASM_F32_DIV(x, y) x, y, kExprF32Div 512 #define WASM_F32_MIN(x, y) x, y, kExprF32Min 513 #define WASM_F32_MAX(x, y) x, y, kExprF32Max 514 #define WASM_F32_ABS(x) x, kExprF32Abs 515 #define WASM_F32_NEG(x) x, kExprF32Neg 516 #define WASM_F32_COPYSIGN(x, y) x, y, kExprF32CopySign 517 #define WASM_F32_CEIL(x) x, kExprF32Ceil 518 #define WASM_F32_FLOOR(x) x, kExprF32Floor 519 #define WASM_F32_TRUNC(x) x, kExprF32Trunc 520 #define WASM_F32_NEARESTINT(x) x, kExprF32NearestInt 521 #define WASM_F32_SQRT(x) x, kExprF32Sqrt 522 #define WASM_F32_EQ(x, y) x, y, kExprF32Eq 523 #define WASM_F32_NE(x, y) x, y, kExprF32Ne 524 #define WASM_F32_LT(x, y) x, y, kExprF32Lt 525 #define WASM_F32_LE(x, y) x, y, kExprF32Le 526 #define WASM_F32_GT(x, y) x, y, kExprF32Gt 527 #define WASM_F32_GE(x, y) x, y, kExprF32Ge 528 529 //------------------------------------------------------------------------------ 530 // Float64 operations 531 //------------------------------------------------------------------------------ 532 #define WASM_F64_ADD(x, y) x, y, kExprF64Add 533 #define WASM_F64_SUB(x, y) x, y, kExprF64Sub 534 #define WASM_F64_MUL(x, y) x, y, kExprF64Mul 535 #define WASM_F64_DIV(x, y) x, y, kExprF64Div 536 #define WASM_F64_MIN(x, y) x, y, kExprF64Min 537 #define WASM_F64_MAX(x, y) x, y, kExprF64Max 538 #define WASM_F64_ABS(x) x, kExprF64Abs 539 #define WASM_F64_NEG(x) x, kExprF64Neg 540 #define WASM_F64_COPYSIGN(x, y) x, y, kExprF64CopySign 541 #define WASM_F64_CEIL(x) x, kExprF64Ceil 542 #define WASM_F64_FLOOR(x) x, kExprF64Floor 543 #define WASM_F64_TRUNC(x) x, kExprF64Trunc 544 #define WASM_F64_NEARESTINT(x) x, kExprF64NearestInt 545 #define WASM_F64_SQRT(x) x, kExprF64Sqrt 546 #define WASM_F64_EQ(x, y) x, y, kExprF64Eq 547 #define WASM_F64_NE(x, y) x, y, kExprF64Ne 548 #define WASM_F64_LT(x, y) x, y, kExprF64Lt 549 #define WASM_F64_LE(x, y) x, y, kExprF64Le 550 #define WASM_F64_GT(x, y) x, y, kExprF64Gt 551 #define WASM_F64_GE(x, y) x, y, kExprF64Ge 552 553 //------------------------------------------------------------------------------ 554 // Type conversions. 555 //------------------------------------------------------------------------------ 556 #define WASM_I32_SCONVERT_F32(x) x, kExprI32SConvertF32 557 #define WASM_I32_SCONVERT_F64(x) x, kExprI32SConvertF64 558 #define WASM_I32_UCONVERT_F32(x) x, kExprI32UConvertF32 559 #define WASM_I32_UCONVERT_F64(x) x, kExprI32UConvertF64 560 #define WASM_I32_CONVERT_I64(x) x, kExprI32ConvertI64 561 #define WASM_I64_SCONVERT_F32(x) x, kExprI64SConvertF32 562 #define WASM_I64_SCONVERT_F64(x) x, kExprI64SConvertF64 563 #define WASM_I64_UCONVERT_F32(x) x, kExprI64UConvertF32 564 #define WASM_I64_UCONVERT_F64(x) x, kExprI64UConvertF64 565 #define WASM_I64_SCONVERT_I32(x) x, kExprI64SConvertI32 566 #define WASM_I64_UCONVERT_I32(x) x, kExprI64UConvertI32 567 #define WASM_F32_SCONVERT_I32(x) x, kExprF32SConvertI32 568 #define WASM_F32_UCONVERT_I32(x) x, kExprF32UConvertI32 569 #define WASM_F32_SCONVERT_I64(x) x, kExprF32SConvertI64 570 #define WASM_F32_UCONVERT_I64(x) x, kExprF32UConvertI64 571 #define WASM_F32_CONVERT_F64(x) x, kExprF32ConvertF64 572 #define WASM_F32_REINTERPRET_I32(x) x, kExprF32ReinterpretI32 573 #define WASM_F64_SCONVERT_I32(x) x, kExprF64SConvertI32 574 #define WASM_F64_UCONVERT_I32(x) x, kExprF64UConvertI32 575 #define WASM_F64_SCONVERT_I64(x) x, kExprF64SConvertI64 576 #define WASM_F64_UCONVERT_I64(x) x, kExprF64UConvertI64 577 #define WASM_F64_CONVERT_F32(x) x, kExprF64ConvertF32 578 #define WASM_F64_REINTERPRET_I64(x) x, kExprF64ReinterpretI64 579 #define WASM_I32_REINTERPRET_F32(x) x, kExprI32ReinterpretF32 580 #define WASM_I64_REINTERPRET_F64(x) x, kExprI64ReinterpretF64 581 582 #define SIG_ENTRY_v_v kWasmFunctionTypeForm, 0, 0 583 #define SIZEOF_SIG_ENTRY_v_v 3 584 585 #define SIG_ENTRY_v_x(a) kWasmFunctionTypeForm, 1, a, 0 586 #define SIG_ENTRY_v_xx(a, b) kWasmFunctionTypeForm, 2, a, b, 0 587 #define SIG_ENTRY_v_xxx(a, b, c) kWasmFunctionTypeForm, 3, a, b, c, 0 588 #define SIZEOF_SIG_ENTRY_v_x 4 589 #define SIZEOF_SIG_ENTRY_v_xx 5 590 #define SIZEOF_SIG_ENTRY_v_xxx 6 591 592 #define SIG_ENTRY_x(r) kWasmFunctionTypeForm, 0, 1, r 593 #define SIG_ENTRY_x_x(r, a) kWasmFunctionTypeForm, 1, a, 1, r 594 #define SIG_ENTRY_x_xx(r, a, b) kWasmFunctionTypeForm, 2, a, b, 1, r 595 #define SIG_ENTRY_x_xxx(r, a, b, c) kWasmFunctionTypeForm, 3, a, b, c, 1, r 596 #define SIZEOF_SIG_ENTRY_x 4 597 #define SIZEOF_SIG_ENTRY_x_x 5 598 #define SIZEOF_SIG_ENTRY_x_xx 6 599 #define SIZEOF_SIG_ENTRY_x_xxx 7 600 601 #endif // V8_WASM_MACRO_GEN_H_ 602
