v8/test/mjsunit/wasm/indirect-calls.js
titzer 995c9fe3dc [wasm] Rename the WASM object to _WASMEXP_.
R=ahaas@chromium.org,bradnelson@chromium.org
LOG=Y
BUG=chromium:575167

Review URL: https://codereview.chromium.org/1577803002

Cr-Commit-Position: refs/heads/master@{#33251}
2016-01-12 20:16:46 +00:00

74 lines
2.3 KiB
JavaScript

// 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
load("test/mjsunit/wasm/wasm-constants.js");
var module = (function () {
var kFuncWithBody = 9;
var kFuncImported = 7;
var kBodySize1 = 5;
var kBodySize2 = 8;
var kFuncTableSize = 8;
var kSubOffset = 13 + kFuncWithBody + kBodySize1 + kFuncImported + kFuncWithBody + kBodySize2 + kFuncTableSize + 1;
var kAddOffset = kSubOffset + 4;
var kMainOffset = kAddOffset + 4;
var ffi = new Object();
ffi.add = (function(a, b) { return a + b | 0; });
return _WASMEXP_.instantiateModule(bytes(
// -- signatures
kDeclSignatures, 2,
2, kAstI32, kAstI32, kAstI32, // int, int -> int
3, kAstI32, kAstI32, kAstI32, kAstI32, // int, int, int -> int
// -- function #0 (sub)
kDeclFunctions, 3,
kDeclFunctionName,
0, 0, // signature offset
kSubOffset, 0, 0, 0, // name offset
kBodySize1, 0, // body size
kExprI32Sub, // --
kExprGetLocal, 0, // --
kExprGetLocal, 1, // --
// -- function #1 (add)
kDeclFunctionName | kDeclFunctionImport,
0, 0, // signature offset
kAddOffset, 0, 0, 0, // name offset
// -- function #2 (main)
kDeclFunctionName | kDeclFunctionExport,
1, 0, // signature offset
kMainOffset, 0, 0, 0, // name offset
kBodySize2, 0, // body size
kExprCallIndirect, 0,
kExprGetLocal, 0,
kExprGetLocal, 1,
kExprGetLocal, 2,
// -- function table
kDeclFunctionTable,
3,
0, 0,
1, 0,
2, 0,
kDeclEnd,
's', 'u', 'b', 0, // name
'a', 'd', 'd', 0, // name
'm', 'a', 'i', 'n', 0 // name
), ffi);
})();
// Check the module exists.
assertFalse(module === undefined);
assertFalse(module === null);
assertFalse(module === 0);
assertEquals("object", typeof module);
assertEquals("function", typeof module.main);
assertEquals(5, module.main(0, 12, 7));
assertEquals(19, module.main(1, 12, 7));
assertTraps(kTrapFuncSigMismatch, "module.main(2, 12, 33)");
assertTraps(kTrapFuncInvalid, "module.main(3, 12, 33)");