| // 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 --expose-gc --allow-natives-syntax |
| |
| load("test/mjsunit/wasm/wasm-constants.js"); |
| |
| function makeFFI(func) { |
| var kBodySize = 6; |
| var kNameFunOffset = 24 + kBodySize + 1; |
| var kNameMainOffset = kNameFunOffset + 4; |
| |
| var ffi = new Object(); |
| ffi.fun = func; |
| |
| var data = bytes( |
| // signatures |
| kDeclSignatures, 1, |
| 2, kAstI32, kAstF64, kAstF64, // (f64,f64) -> int |
| // -- foreign function |
| kDeclFunctions, 2, |
| kDeclFunctionName | kDeclFunctionImport, |
| 0, 0, |
| kNameFunOffset, 0, 0, 0, // name offset |
| // -- main function |
| kDeclFunctionName | kDeclFunctionExport, |
| 0, 0, |
| kNameMainOffset, 0, 0, 0, // name offset |
| kBodySize, 0, |
| // main body |
| kExprCallFunction, 0, // -- |
| kExprGetLocal, 0, // -- |
| kExprGetLocal, 1, // -- |
| // names |
| kDeclEnd, |
| 'f', 'u', 'n', 0, // -- |
| 'm', 'a', 'i', 'n', 0 // -- |
| ); |
| |
| var module = _WASMEXP_.instantiateModule(data, ffi); |
| |
| assertEquals("function", typeof module.main); |
| |
| return module.main; |
| } |
| |
| |
| function makeReentrantFFI(func) { |
| var main = makeFFI(reenter); |
| |
| function reenter(a, b) { |
| print(" reenter " + a); |
| if (a > 0) main(a - 1, b); |
| else func(); |
| } |
| return main; |
| } |
| |
| |
| function runTest(builder) { |
| // ---- THROWING TEST ----------------------------------------------- |
| |
| function throwadd(a, b) { |
| print("-- trying throw --"); |
| throw a + b; |
| } |
| |
| function throwa(a) { |
| print("-- trying throw --"); |
| throw a; |
| } |
| |
| function throwstr() { |
| print("-- trying throw --"); |
| throw "string"; |
| } |
| |
| assertThrows(builder(throwadd)); |
| assertThrows(builder(throwa)); |
| assertThrows(builder(throwstr)); |
| |
| try { |
| builder(throwadd)(7.8, 9.9); |
| } catch(e) { |
| print(e); |
| } |
| |
| try { |
| builder(throwa)(11.8, 9.3); |
| } catch(e) { |
| print(e); |
| } |
| |
| |
| try { |
| builder(throwstr)(3, 5); |
| } catch(e) { |
| print(e); |
| } |
| |
| |
| // ---- DEOPT TEST ----------------------------------------------- |
| |
| function deopt() { |
| print("-- trying deopt --"); |
| %DeoptimizeFunction(deopter); |
| } |
| |
| var deopter = builder(deopt); |
| |
| deopter(5, 5); |
| for (var i = 0; i < 9; i++) { |
| deopter(6, 6); |
| } |
| |
| |
| // ---- GC TEST ----------------------------------------------- |
| function dogc(a, b) { |
| print("-- trying gc --"); |
| gc(); |
| gc(); |
| } |
| |
| |
| var gcer = builder(dogc); |
| gcer(7, 7); |
| |
| for (var i = 0; i < 9; i++) { |
| gcer(8, 8); |
| } |
| } |
| |
| runTest(makeReentrantFFI); |
| runTest(makeFFI); |