a345a442d3
- Add d8.file.read() and d8.file.execute() helpers - Change tools and tests to use new d8.file helper - Unify error throwing in v8::Shell::ReadFile Change-Id: I5ef4cb27f217508a367106f01e872a4059d5e399 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2928505 Commit-Queue: Camillo Bruni <cbruni@chromium.org> Reviewed-by: Maya Lekova <mslekova@chromium.org> Reviewed-by: Marja Hölttä <marja@chromium.org> Cr-Commit-Position: refs/heads/master@{#74883}
84 lines
2.5 KiB
JavaScript
84 lines
2.5 KiB
JavaScript
// Copyright 2018 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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// Flags: --expose-wasm
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d8.file.execute('test/mjsunit/wasm/wasm-module-builder.js');
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let k1GiB = 1 * 1024 * 1024 * 1024;
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let k4GiB = 4 * k1GiB;
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// TODO(4153): Raise this to 4GiB, but only on 64-bit platforms.
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let kMaxMemory = 2 * k1GiB - kPageSize;
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(function Test() {
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var memory;
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function BuildAccessors(type, load_opcode, store_opcode) {
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builder = new WasmModuleBuilder();
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builder.addImportedMemory("i", "mem");
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builder.addFunction("load", makeSig([kWasmI32], [type]))
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.addBody([ // --
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kExprLocalGet, 0, // --
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load_opcode, 0, 0, // --
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]) // --
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.exportFunc();
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builder.addFunction("store", makeSig([kWasmI32, type], []))
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.addBody([ // --
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kExprLocalGet, 0, // --
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kExprLocalGet, 1, // --
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store_opcode, 0, 0, // --
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]) // --
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.exportFunc();
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let i = builder.instantiate({i: {mem: memory}});
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return {load: i.exports.load, store: i.exports.store};
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}
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function probe(a, f) {
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print("------------------------");
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let stride = kPageSize * 32; // Don't check every page to save time.
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let max = kMaxMemory;
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for (let i = 0; i < max; i += stride) {
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a.store(i, f(i));
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}
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for (let i = 0; i < max; i += stride) {
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assertEquals(f(i), a.load(i));
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}
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}
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try {
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let kPages = kMaxMemory / kPageSize;
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memory = new WebAssembly.Memory({ initial: kPages, maximum: kPages });
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} catch (e) {
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print("OOM: sorry, best effort max memory size test.");
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return;
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}
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assertEquals(kMaxMemory, memory.buffer.byteLength);
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{
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let a = BuildAccessors(kWasmI32, kExprI32LoadMem, kExprI32StoreMem);
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probe(a, i => (0xaabbccee ^ ((i >> 11) * 0x110005)) | 0);
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}
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{
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let a = BuildAccessors(kWasmI32, kExprI32LoadMem16U, kExprI32StoreMem16);
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probe(a, i => (0xccee ^ ((i >> 11) * 0x110005)) & 0xFFFF);
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}
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{
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let a = BuildAccessors(kWasmI32, kExprI32LoadMem8U, kExprI32StoreMem8);
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probe(a, i => (0xee ^ ((i >> 11) * 0x05)) & 0xFF);
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}
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{
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let a = BuildAccessors(kWasmF64, kExprF64LoadMem, kExprF64StoreMem);
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probe(a, i => 0xaabbccee ^ ((i >> 11) * 0x110005));
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}
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{
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let a = BuildAccessors(kWasmF32, kExprF32LoadMem, kExprF32StoreMem);
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probe(a, i => Math.fround(0xaabbccee ^ ((i >> 11) * 0x110005)));
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}
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})();
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