50930a0fa0
PR-URL: https://github.com/nodejs/node/pull/39469 Reviewed-By: Jiawen Geng <technicalcute@gmail.com> Reviewed-By: James M Snell <jasnell@gmail.com> Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
19 lines
732 B
JavaScript
19 lines
732 B
JavaScript
// Copyright 2019 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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d8.file.execute('test/mjsunit/wasm/wasm-module-builder.js');
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const memory = new WebAssembly.Memory({initial: 1});
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let builder = new WasmModuleBuilder();
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builder.addImportedMemory("imports", "mem", 1);
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builder.addFunction("copy", kSig_v_iii)
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.addBody([kExprLocalGet, 0, // dst
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kExprLocalGet, 1, // src
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kExprLocalGet, 2, // size
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kNumericPrefix, kExprMemoryCopy, 0, 0]).exportAs("copy");
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let instance = builder.instantiate({imports: {mem: memory}});
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memory.grow(1);
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instance.exports.copy(0, kPageSize, 11);
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