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| 1 // Copyright 2016 the V8 project authors. All rights reserved. | 1 // Copyright 2016 the V8 project authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 // Flags: --expose-wasm --expose-gc --stress-compaction | 5 // Flags: --expose-wasm --expose-gc --stress-compaction |
| 6 | 6 |
| 7 load("test/mjsunit/wasm/wasm-constants.js"); | 7 load("test/mjsunit/wasm/wasm-constants.js"); |
| 8 load("test/mjsunit/wasm/wasm-module-builder.js"); | 8 load("test/mjsunit/wasm/wasm-module-builder.js"); |
| 9 | 9 |
| 10 var kPageSize = 0x10000; | 10 var kPageSize = 0x10000; |
| 11 | 11 |
| 12 function genGrowMemoryBuilder() { | 12 function genGrowMemoryBuilder() { |
| 13 var builder = new WasmModuleBuilder(); | 13 var builder = new WasmModuleBuilder(); |
| 14 builder.addFunction("grow_memory", kSig_i_i) | 14 builder.addFunction("grow_memory", kSig_i_i) |
| 15 .addBody([kExprGetLocal, 0, kExprGrowMemory]) | 15 .addBody([kExprGetLocal, 0, kExprGrowMemory]) |
| 16 .exportFunc(); | 16 .exportFunc(); |
| 17 builder.addFunction("load", kSig_i_i) | 17 builder.addFunction("load", kSig_i_i) |
| 18 .addBody([kExprGetLocal, 0, kExprI32LoadMem, 0, 0]) | 18 .addBody([kExprGetLocal, 0, kExprI32LoadMem, 0, 0]) |
| 19 .exportFunc(); | 19 .exportFunc(); |
| 20 builder.addFunction("store", kSig_i_ii) | 20 builder.addFunction("store", kSig_i_ii) |
| 21 .addBody([kExprGetLocal, 0, kExprGetLocal, 1, kExprI32StoreMem, 0, 0]) | 21 .addBody([kExprGetLocal, 0, kExprGetLocal, 1, kExprI32StoreMem, 0, 0, |
| 22 kExprGetLocal, 1]) |
| 22 .exportFunc(); | 23 .exportFunc(); |
| 23 builder.addFunction("load16", kSig_i_i) | 24 builder.addFunction("load16", kSig_i_i) |
| 24 .addBody([kExprGetLocal, 0, kExprI32LoadMem16U, 0, 0]) | 25 .addBody([kExprGetLocal, 0, kExprI32LoadMem16U, 0, 0]) |
| 25 .exportFunc(); | 26 .exportFunc(); |
| 26 builder.addFunction("store16", kSig_i_ii) | 27 builder.addFunction("store16", kSig_i_ii) |
| 27 .addBody([kExprGetLocal, 0, kExprGetLocal, 1, kExprI32StoreMem16, 0, 0]) | 28 .addBody([kExprGetLocal, 0, kExprGetLocal, 1, kExprI32StoreMem16, 0, 0, |
| 29 kExprGetLocal, 1]) |
| 28 .exportFunc(); | 30 .exportFunc(); |
| 29 builder.addFunction("load8", kSig_i_i) | 31 builder.addFunction("load8", kSig_i_i) |
| 30 .addBody([kExprGetLocal, 0, kExprI32LoadMem8U, 0, 0]) | 32 .addBody([kExprGetLocal, 0, kExprI32LoadMem8U, 0, 0]) |
| 31 .exportFunc(); | 33 .exportFunc(); |
| 32 builder.addFunction("store8", kSig_i_ii) | 34 builder.addFunction("store8", kSig_i_ii) |
| 33 .addBody([kExprGetLocal, 0, kExprGetLocal, 1, kExprI32StoreMem8, 0, 0]) | 35 .addBody([kExprGetLocal, 0, kExprGetLocal, 1, kExprI32StoreMem8, 0, 0, |
| 36 kExprGetLocal, 1]) |
| 34 .exportFunc(); | 37 .exportFunc(); |
| 35 return builder; | 38 return builder; |
| 36 } | 39 } |
| 37 | 40 |
| 38 function testGrowMemoryReadWrite32() { | 41 function testGrowMemoryReadWrite32() { |
| 39 var builder = genGrowMemoryBuilder(); | 42 var builder = genGrowMemoryBuilder(); |
| 40 builder.addMemory(1, 1, false); | 43 builder.addMemory(1, 1, false); |
| 41 var module = builder.instantiate(); | 44 var module = builder.instantiate(); |
| 42 var offset; | 45 var offset; |
| 43 function peek() { return module.exports.load(offset); } | 46 function peek() { return module.exports.load(offset); } |
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| 237 | 240 |
| 238 function testGrowMemoryCurrentMemory() { | 241 function testGrowMemoryCurrentMemory() { |
| 239 var builder = genGrowMemoryBuilder(); | 242 var builder = genGrowMemoryBuilder(); |
| 240 builder.addMemory(1, 1, false); | 243 builder.addMemory(1, 1, false); |
| 241 builder.addFunction("memory_size", kSig_i_v) | 244 builder.addFunction("memory_size", kSig_i_v) |
| 242 .addBody([kExprMemorySize]) | 245 .addBody([kExprMemorySize]) |
| 243 .exportFunc(); | 246 .exportFunc(); |
| 244 var module = builder.instantiate(); | 247 var module = builder.instantiate(); |
| 245 function growMem(pages) { return module.exports.grow_memory(pages); } | 248 function growMem(pages) { return module.exports.grow_memory(pages); } |
| 246 function MemSize() { return module.exports.memory_size(); } | 249 function MemSize() { return module.exports.memory_size(); } |
| 247 assertEquals(65536, MemSize()); | 250 assertEquals(1, MemSize()); |
| 248 assertEquals(1, growMem(1)); | 251 assertEquals(1, growMem(1)); |
| 249 assertEquals(131072, MemSize()); | 252 assertEquals(2, MemSize()); |
| 250 } | 253 } |
| 251 | 254 |
| 252 testGrowMemoryCurrentMemory(); | 255 testGrowMemoryCurrentMemory(); |
| 253 | 256 |
| 254 function testGrowMemoryPreservesDataMemOp32() { | 257 function testGrowMemoryPreservesDataMemOp32() { |
| 255 var builder = genGrowMemoryBuilder(); | 258 var builder = genGrowMemoryBuilder(); |
| 256 builder.addMemory(1, 1, false); | 259 builder.addMemory(1, 1, false); |
| 257 var module = builder.instantiate(); | 260 var module = builder.instantiate(); |
| 258 var offset, val; | 261 var offset, val; |
| 259 function peek() { return module.exports.load(offset); } | 262 function peek() { return module.exports.load(offset); } |
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| 316 | 319 |
| 317 val = 0; | 320 val = 0; |
| 318 | 321 |
| 319 for(offset = 0; offset <= (kPageSize - 1); offset++, val++) { | 322 for(offset = 0; offset <= (kPageSize - 1); offset++, val++) { |
| 320 assertEquals(val, peek()); | 323 assertEquals(val, peek()); |
| 321 if (val == 255) val = 0; | 324 if (val == 255) val = 0; |
| 322 } | 325 } |
| 323 } | 326 } |
| 324 | 327 |
| 325 testGrowMemoryPreservesDataMemOp8(); | 328 testGrowMemoryPreservesDataMemOp8(); |
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