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 3 // found in the LICENSE file. 4 5 // Flags: --expose-wasm --expose-gc 6 7 load("test/mjsunit/wasm/wasm-constants.js"); 8 load("test/mjsunit/wasm/wasm-module-builder.js"); 9 10 function makeFFI(func, t) { 11 var builder = new WasmModuleBuilder(); 12 13 var sig_index = builder.addType(makeSig([t,t,t,t,t,t,t,t,t,t], [t])); 14 builder.addImport("func", sig_index); 15 // Try to create a frame with lots of spilled values and parameters 16 // on the stack to try to catch GC bugs in the reference maps for 17 // the different parts of the stack. 18 builder.addFunction("main", sig_index) 19 .addBody([ 20 kExprGetLocal, 0, // -- 21 kExprGetLocal, 1, // -- 22 kExprGetLocal, 2, // -- 23 kExprGetLocal, 3, // -- 24 kExprGetLocal, 4, // -- 25 kExprGetLocal, 5, // -- 26 kExprGetLocal, 6, // -- 27 kExprGetLocal, 7, // -- 28 kExprGetLocal, 8, // -- 29 kExprGetLocal, 9, // -- 30 kExprCallImport, 10, 0, // -- 31 kExprGetLocal, 0, // -- 32 kExprGetLocal, 1, // -- 33 kExprGetLocal, 2, // -- 34 kExprGetLocal, 3, // -- 35 kExprGetLocal, 4, // -- 36 kExprGetLocal, 5, // -- 37 kExprGetLocal, 6, // -- 38 kExprGetLocal, 7, // -- 39 kExprGetLocal, 8, // -- 40 kExprGetLocal, 9, // -- 41 kExprCallImport, 10, 0 // -- 42 ]) // -- 43 .exportFunc(); 44 45 return builder.instantiate({func: func}).exports.main; 46 } 47 48 49 function print10(a, b, c, d, e, f, g, h, i) { 50 print(a + ",", b + ",", c + ",", d + ",", e + ",", f + ",", g + ",", h + ",", i); 51 gc(); 52 print(a + ",", b + ",", c + ",", d + ",", e + ",", f + ",", g + ",", h + ",", i); 53 } 54 55 (function I32Test() { 56 var main = makeFFI(print10, kAstI32); 57 for (var i = 1; i < 0xFFFFFFF; i <<= 2) { 58 main(i - 1, i, i + 2, i + 3, i + 4, i + 5, i + 6, i + 7, i + 8); 59 } 60 })(); 61 62 (function F32Test() { 63 var main = makeFFI(print10, kAstF32); 64 for (var i = 1; i < 2e+30; i *= -157) { 65 main(i - 1, i, i + 2, i + 3, i + 4, i + 5, i + 6, i + 7, i + 8); 66 } 67 })(); 68 69 (function F64Test() { 70 var main = makeFFI(print10, kAstF64); 71 for (var i = 1; i < 2e+80; i *= -1137) { 72 main(i - 1, i, i + 2, i + 3, i + 4, i + 5, i + 6, i + 7, i + 8); 73 } 74 })(); 75 76 (function GCInJSToWasmTest() { 77 var builder = new WasmModuleBuilder(); 78 79 var sig_index = builder.addType(kSig_i_i); 80 builder.addFunction("main", sig_index) 81 .addBody([ 82 kExprGetLocal, 0, // -- 83 ]) // -- 84 .exportFunc(); 85 86 var main = builder.instantiate({}).exports.main; 87 88 var gc_object = { 89 valueOf: function() { 90 // Call the GC in valueOf, which is called within the JSToWasm wrapper. 91 gc(); 92 return {}; 93 } 94 }; 95 96 main(gc_object); 97 })(); 98
