1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
|
// 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.
load("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;
}
|
