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 // Flags: --expose-wasm 6 7 load("test/mjsunit/wasm/wasm-constants.js"); 8 9 var module = (function () { 10 var kFuncWithBody = 9; 11 var kFuncImported = 7; 12 var kBodySize1 = 5; 13 var kBodySize2 = 8; 14 var kFuncTableSize = 8; 15 var kSubOffset = 13 + kFuncWithBody + kBodySize1 + kFuncImported + kFuncWithBody + kBodySize2 + kFuncTableSize + 1; 16 var kAddOffset = kSubOffset + 4; 17 var kMainOffset = kAddOffset + 4; 18 19 var ffi = new Object(); 20 ffi.add = (function(a, b) { return a + b | 0; }); 21 22 return _WASMEXP_.instantiateModule(bytes( 23 // -- signatures 24 kDeclSignatures, 2, 25 2, kAstI32, kAstI32, kAstI32, // int, int -> int 26 3, kAstI32, kAstI32, kAstI32, kAstI32, // int, int, int -> int 27 // -- function #0 (sub) 28 kDeclFunctions, 3, 29 kDeclFunctionName, 30 0, 0, // signature offset 31 kSubOffset, 0, 0, 0, // name offset 32 kBodySize1, 0, // body size 33 kExprI32Sub, // -- 34 kExprGetLocal, 0, // -- 35 kExprGetLocal, 1, // -- 36 // -- function #1 (add) 37 kDeclFunctionName | kDeclFunctionImport, 38 0, 0, // signature offset 39 kAddOffset, 0, 0, 0, // name offset 40 // -- function #2 (main) 41 kDeclFunctionName | kDeclFunctionExport, 42 1, 0, // signature offset 43 kMainOffset, 0, 0, 0, // name offset 44 kBodySize2, 0, // body size 45 kExprCallIndirect, 0, 46 kExprGetLocal, 0, 47 kExprGetLocal, 1, 48 kExprGetLocal, 2, 49 // -- function table 50 kDeclFunctionTable, 51 3, 52 0, 0, 53 1, 0, 54 2, 0, 55 kDeclEnd, 56 's', 'u', 'b', 0, // name 57 'a', 'd', 'd', 0, // name 58 'm', 'a', 'i', 'n', 0 // name 59 ), ffi); 60 })(); 61 62 // Check the module exists. 63 assertFalse(module === undefined); 64 assertFalse(module === null); 65 assertFalse(module === 0); 66 assertEquals("object", typeof module); 67 assertEquals("function", typeof module.main); 68 69 assertEquals(5, module.main(0, 12, 7)); 70 assertEquals(19, module.main(1, 12, 7)); 71 72 assertTraps(kTrapFuncSigMismatch, "module.main(2, 12, 33)"); 73 assertTraps(kTrapFuncInvalid, "module.main(3, 12, 33)"); 74
