Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 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 --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 = _WASMEXP_.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); |