e97ca6ec47
Imports and exports in 0xC can be much more than functions, including tables, memories, and globals. This CL refactors the underlying organization of imports and exports to support these new import types. BUG= Committed: https://crrev.com/599f8a83420346d9cba5ff97bd2a7520468207b6 Review-Url: https://codereview.chromium.org/2390113003 Cr-Original-Commit-Position: refs/heads/master@{#40033} Cr-Commit-Position: refs/heads/master@{#40050}
101 lines
3.0 KiB
JavaScript
101 lines
3.0 KiB
JavaScript
// Copyright 2015 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 --allow-natives-syntax --expose-gc
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load("test/mjsunit/wasm/wasm-constants.js");
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load("test/mjsunit/wasm/wasm-module-builder.js");
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(function SerializeAndDeserializeModule() {
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var builder = new WasmModuleBuilder();
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builder.addMemory(1,1, true);
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var kSig_v_i = makeSig([kAstI32], []);
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var signature = builder.addType(kSig_v_i);
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builder.addImport("some_value", kSig_i_v);
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builder.addImport("writer", signature);
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builder.addFunction("main", kSig_i_i)
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.addBody([
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kExprGetLocal, 0,
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kExprI32LoadMem, 0, 0,
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kExprI32Const, 1,
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kExprCallIndirect, signature,
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kExprGetLocal,0,
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kExprI32LoadMem,0, 0,
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kExprCallFunction, 0,
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kExprI32Add
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]).exportFunc();
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// writer(mem[i]);
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// return mem[i] + some_value();
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builder.addFunction("_wrap_writer", signature)
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.addBody([
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kExprGetLocal, 0,
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kExprCallFunction, 1]);
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builder.appendToTable([2, 3]);
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var module = new WebAssembly.Module(builder.toBuffer());
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var buff = %SerializeWasmModule(module);
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module = null;
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gc();
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module = %DeserializeWasmModule(buff);
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var mem_1 = new ArrayBuffer(4);
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var view_1 = new Int32Array(mem_1);
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view_1[0] = 42;
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var outval_1;
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var i1 = new WebAssembly.Instance(module, {some_value: () => 1,
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writer: (x)=>outval_1 = x }, mem_1);
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assertEquals(43, i1.exports.main(0));
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assertEquals(42, outval_1);
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})();
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(function DeserializeInvalidObject() {
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var invalid_buffer = new ArrayBuffer(10);
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module = %DeserializeWasmModule(invalid_buffer);
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assertEquals(module, undefined);
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})();
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(function RelationBetweenModuleAndClone() {
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let builder = new WasmModuleBuilder();
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builder.addFunction("main", kSig_i_v)
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.addBody([kExprI8Const, 42])
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.exportFunc();
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var compiled_module = new WebAssembly.Module(builder.toBuffer());
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var serialized = %SerializeWasmModule(compiled_module);
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var clone = %DeserializeWasmModule(serialized);
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assertNotNull(clone);
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assertFalse(clone == undefined);
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assertFalse(clone == compiled_module);
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assertEquals(clone.constructor, compiled_module.constructor);
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})();
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(function SerializeAfterInstantiation() {
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let builder = new WasmModuleBuilder();
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builder.addFunction("main", kSig_i_v)
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.addBody([kExprI8Const, 42])
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.exportFunc();
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var compiled_module = new WebAssembly.Module(builder.toBuffer());
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var instance1 = new WebAssembly.Instance(compiled_module);
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var instance2 = new WebAssembly.Instance(compiled_module);
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var serialized = %SerializeWasmModule(compiled_module);
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var clone = %DeserializeWasmModule(serialized);
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assertNotNull(clone);
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assertFalse(clone == undefined);
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assertFalse(clone == compiled_module);
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assertEquals(clone.constructor, compiled_module.constructor);
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var instance3 = new WebAssembly.Instance(clone);
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assertFalse(instance3 == undefined);
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})();
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