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| 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-gc --allow-natives-syntax |
| 6 |
| 7 load("test/mjsunit/wasm/wasm-constants.js"); |
| 8 |
| 9 function makeFFI(func) { |
| 10 var kBodySize = 6; |
| 11 var kNameFunOffset = 24 + kBodySize + 1; |
| 12 var kNameMainOffset = kNameFunOffset + 4; |
| 13 |
| 14 var ffi = new Object(); |
| 15 ffi.fun = func; |
| 16 |
| 17 var data = bytes( |
| 18 // signatures |
| 19 kDeclSignatures, 1, |
| 20 2, kAstI32, kAstF64, kAstF64, // (f64,f64) -> int |
| 21 // -- foreign function |
| 22 kDeclFunctions, 2, |
| 23 kDeclFunctionName | kDeclFunctionImport, |
| 24 0, 0, |
| 25 kNameFunOffset, 0, 0, 0, // name offset |
| 26 // -- main function |
| 27 kDeclFunctionName | kDeclFunctionExport, |
| 28 0, 0, |
| 29 kNameMainOffset, 0, 0, 0, // name offset |
| 30 kBodySize, 0, |
| 31 // main body |
| 32 kExprCallFunction, 0, // -- |
| 33 kExprGetLocal, 0, // -- |
| 34 kExprGetLocal, 1, // -- |
| 35 // names |
| 36 kDeclEnd, |
| 37 'f', 'u', 'n', 0, // -- |
| 38 'm', 'a', 'i', 'n', 0 // -- |
| 39 ); |
| 40 |
| 41 var module = WASM.instantiateModule(data, ffi); |
| 42 |
| 43 assertEquals("function", typeof module.main); |
| 44 |
| 45 return module.main; |
| 46 } |
| 47 |
| 48 |
| 49 function makeReentrantFFI(func) { |
| 50 var main = makeFFI(reenter); |
| 51 |
| 52 function reenter(a, b) { |
| 53 print(" reenter " + a); |
| 54 if (a > 0) main(a - 1, b); |
| 55 else func(); |
| 56 } |
| 57 return main; |
| 58 } |
| 59 |
| 60 |
| 61 function runTest(builder) { |
| 62 // ---- THROWING TEST ----------------------------------------------- |
| 63 |
| 64 function throwadd(a, b) { |
| 65 print("-- trying throw --"); |
| 66 throw a + b; |
| 67 } |
| 68 |
| 69 function throwa(a) { |
| 70 print("-- trying throw --"); |
| 71 throw a; |
| 72 } |
| 73 |
| 74 function throwstr() { |
| 75 print("-- trying throw --"); |
| 76 throw "string"; |
| 77 } |
| 78 |
| 79 assertThrows(builder(throwadd)); |
| 80 assertThrows(builder(throwa)); |
| 81 assertThrows(builder(throwstr)); |
| 82 |
| 83 try { |
| 84 builder(throwadd)(7.8, 9.9); |
| 85 } catch(e) { |
| 86 print(e); |
| 87 } |
| 88 |
| 89 try { |
| 90 builder(throwa)(11.8, 9.3); |
| 91 } catch(e) { |
| 92 print(e); |
| 93 } |
| 94 |
| 95 |
| 96 try { |
| 97 builder(throwstr)(3, 5); |
| 98 } catch(e) { |
| 99 print(e); |
| 100 } |
| 101 |
| 102 |
| 103 // ---- DEOPT TEST ----------------------------------------------- |
| 104 |
| 105 function deopt() { |
| 106 print("-- trying deopt --"); |
| 107 %DeoptimizeFunction(deopter); |
| 108 } |
| 109 |
| 110 var deopter = builder(deopt); |
| 111 |
| 112 deopter(5, 5); |
| 113 for (var i = 0; i < 9; i++) { |
| 114 deopter(6, 6); |
| 115 } |
| 116 |
| 117 |
| 118 // ---- GC TEST ----------------------------------------------- |
| 119 function dogc(a, b) { |
| 120 print("-- trying gc --"); |
| 121 gc(); |
| 122 gc(); |
| 123 } |
| 124 |
| 125 |
| 126 var gcer = builder(dogc); |
| 127 gcer(7, 7); |
| 128 |
| 129 for (var i = 0; i < 9; i++) { |
| 130 gcer(8, 8); |
| 131 } |
| 132 } |
| 133 |
| 134 runTest(makeReentrantFFI); |
| 135 runTest(makeFFI); |
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