v8/test/mjsunit/wasm/bounds-check-turbofan.js
Camillo Bruni a345a442d3 [d8][mjsunit][tools] Improve d8 file API
- 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}
2021-06-01 13:37:57 +00:00

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809 B
JavaScript

// Copyright 2018 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: --allow-natives-syntax
d8.file.execute("test/mjsunit/wasm/wasm-module-builder.js");
const builder = new WasmModuleBuilder();
builder.addMemory(1, undefined, false);
builder.addFunction('load', kSig_i_i)
.addBody([
kExprLocalGet, 0,
kExprI32LoadMem, 0, 100])
.exportFunc();
const module = builder.instantiate();
%WasmTierUpFunction(module, 0);
// 100 is added as part of the load instruction above
// Last valid address (64k - 100 - 4)
assertEquals(0, module.exports.load(0x10000 - 100 - 4));
// First invalid address (64k - 100)
assertTraps(kTrapMemOutOfBounds, _ => { module.exports.load(0x10000 - 100);});