v8/test/mjsunit/regress/wasm/regress-737069.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

35 lines
1.0 KiB
JavaScript

// 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.
// Flags: --expose-wasm
d8.file.execute("test/mjsunit/wasm/wasm-module-builder.js");
let binary = new Binary;
binary.emit_header();
binary.emit_section(kTypeSectionCode, section => {
section.emit_u32v(1); // number of types
section.emit_u8(kWasmFunctionTypeForm);
section.emit_u32v(0); // number of parameters
section.emit_u32v(0); // number of returns
});
binary.emit_section(kFunctionSectionCode, section => {
section.emit_u32v(1); // number of functions
section.emit_u32v(0); // type index
});
binary.emit_u8(kCodeSectionCode);
binary.emit_u8(0x02); // section length
binary.emit_u8(0x01); // number of functions
binary.emit_u8(0x40); // function body size
// Function body is missing here.
let buffer = new ArrayBuffer(binary.length);
let view = new Uint8Array(buffer);
for (let i = 0; i < binary.length; i++) {
view[i] = binary[i] | 0;
}
WebAssembly.validate(buffer);