// Copyright 2017 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. d8.file.execute("test/mjsunit/wasm/wasm-module-builder.js"); const builder = new WasmModuleBuilder(); builder.addMemory(1, undefined, false); builder.addFunction('load', kSig_i_ii) .addBody([ kExprLocalGet, 0, kExprI64SConvertI32, kExprLocalGet, 1, kExprI64SConvertI32, kExprI64Shl, kExprI32ConvertI64, kExprI32LoadMem, 0, 0]) .exportFunc(); const module = builder.instantiate(); let start = 12; let address = start; for (i = 0; i < 64; i++) { // This is the address which will be accessed in the code. We cannot use // shifts to calculate the address because JS shifts work on 32-bit integers. print(`address=${address}`); if (address < kPageSize) { assertEquals(0, module.exports.load(start, i)); } else { assertTraps(kTrapMemOutOfBounds, _ => { module.exports.load(start, i);}); } address = (address * 2) % 4294967296; }