| // Copyright 2015 the V8 project authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| // Flags: --expose-wasm |
| |
| load("test/mjsunit/wasm/wasm-constants.js"); |
| |
| var module = (function () { |
| var kFuncWithBody = 9; |
| var kFuncImported = 7; |
| var kBodySize1 = 5; |
| var kBodySize2 = 8; |
| var kFuncTableSize = 8; |
| var kSubOffset = 13 + kFuncWithBody + kBodySize1 + kFuncImported + kFuncWithBody + kBodySize2 + kFuncTableSize + 1; |
| var kAddOffset = kSubOffset + 4; |
| var kMainOffset = kAddOffset + 4; |
| |
| var ffi = new Object(); |
| ffi.add = (function(a, b) { return a + b | 0; }); |
| |
| return _WASMEXP_.instantiateModule(bytes( |
| // -- signatures |
| kDeclSignatures, 2, |
| 2, kAstI32, kAstI32, kAstI32, // int, int -> int |
| 3, kAstI32, kAstI32, kAstI32, kAstI32, // int, int, int -> int |
| // -- function #0 (sub) |
| kDeclFunctions, 3, |
| kDeclFunctionName, |
| 0, 0, // signature offset |
| kSubOffset, 0, 0, 0, // name offset |
| kBodySize1, 0, // body size |
| kExprI32Sub, // -- |
| kExprGetLocal, 0, // -- |
| kExprGetLocal, 1, // -- |
| // -- function #1 (add) |
| kDeclFunctionName | kDeclFunctionImport, |
| 0, 0, // signature offset |
| kAddOffset, 0, 0, 0, // name offset |
| // -- function #2 (main) |
| kDeclFunctionName | kDeclFunctionExport, |
| 1, 0, // signature offset |
| kMainOffset, 0, 0, 0, // name offset |
| kBodySize2, 0, // body size |
| kExprCallIndirect, 0, |
| kExprGetLocal, 0, |
| kExprGetLocal, 1, |
| kExprGetLocal, 2, |
| // -- function table |
| kDeclFunctionTable, |
| 3, |
| 0, 0, |
| 1, 0, |
| 2, 0, |
| kDeclEnd, |
| 's', 'u', 'b', 0, // name |
| 'a', 'd', 'd', 0, // name |
| 'm', 'a', 'i', 'n', 0 // name |
| ), ffi); |
| })(); |
| |
| // Check the module exists. |
| assertFalse(module === undefined); |
| assertFalse(module === null); |
| assertFalse(module === 0); |
| assertEquals("object", typeof module); |
| assertEquals("function", typeof module.main); |
| |
| assertEquals(5, module.main(0, 12, 7)); |
| assertEquals(19, module.main(1, 12, 7)); |
| |
| assertTraps(kTrapFuncSigMismatch, "module.main(2, 12, 33)"); |
| assertTraps(kTrapFuncInvalid, "module.main(3, 12, 33)"); |