152 lines
3.8 KiB
JavaScript
152 lines
3.8 KiB
JavaScript
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// Copyright 2017 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
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load("test/mjsunit/wasm/wasm-module-builder.js");
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const kTableSize = 3;
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var m_i_v;
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var m_i_i;
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var m_i_ii;
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(function BuildExportedMethods() {
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print("BuildingExportedMethods...");
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let builder = new WasmModuleBuilder();
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let sig_v_v = builder.addType(kSig_v_v);
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let sig_i_ii = builder.addType(kSig_i_ii);
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let sig_i_i = builder.addType(kSig_i_i);
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let sig_i_v = builder.addType(kSig_i_v);
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print("exported[i_v] = " + sig_i_v);
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print("exported[i_i] = " + sig_i_i);
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print("exported[i_ii] = " + sig_i_ii);
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builder.addFunction("", sig_i_v)
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.addBody([
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kExprI32Const, 41]) // --
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.exportAs("m_i_v");
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builder.addFunction("m_i_i", sig_i_i)
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.addBody([
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kExprI32Const, 42]) // --
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.exportAs("m_i_i");
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builder.addFunction("m_i_ii", sig_i_ii)
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.addBody([
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kExprI32Const, 43]) // --
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.exportAs("m_i_ii");
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let module = new WebAssembly.Module(builder.toBuffer());
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let instance = new WebAssembly.Instance(module);
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m_i_v = instance.exports.m_i_v;
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m_i_i = instance.exports.m_i_i;
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m_i_ii = instance.exports.m_i_ii;
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m_i_v.sig = kSig_i_v;
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m_i_i.sig = kSig_i_i;
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m_i_ii.sig = kSig_i_ii;
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})();
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function caller_module() {
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let builder = new WasmModuleBuilder();
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let sig_i_v = builder.addType(kSig_i_v);
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let sig_i_ii = builder.addType(kSig_i_ii);
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let sig_i_i = builder.addType(kSig_i_i);
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print("imported[i_v] = " + sig_i_v);
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print("imported[i_i] = " + sig_i_i);
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print("imported[i_ii] = " + sig_i_ii);
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builder.addFunction("call1", sig_i_i)
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.addBody([
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kExprGetLocal, 0, // --
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kExprCallIndirect, sig_i_v, kTableZero]) // --
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.exportAs("call1");
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builder.addFunction("call2", sig_i_i)
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.addBody([
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kExprI32Const, 11, // --
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kExprGetLocal, 0,
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kExprCallIndirect, sig_i_i, kTableZero]) // --
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.exportAs("call2");
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builder.addFunction("call3", sig_i_i)
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.addBody([
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kExprI32Const, 21,
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kExprI32Const, 22,
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kExprGetLocal, 0,
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kExprCallIndirect, sig_i_ii, kTableZero]) // --
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.exportAs("call3");
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builder.addImportedTable("imp", "table", kTableSize, kTableSize);
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return builder.toModule();
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}
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function call(func, ...args) {
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try {
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return "" + func.apply(undefined, args);
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} catch (e) {
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return "!" + e;
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}
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}
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function DoCalls(table, calls) {
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for (func of calls) {
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print("func = " + func);
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for (var i = 0; i < 4; i++) {
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print(" i = " + i);
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var expectThrow = true;
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var exp = null;
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if (i < table.length) {
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exported = table.get(i);
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expectThrow = (exported.sig != func.sig);
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print(" exp=" + exported);
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print(" throw=" + expectThrow);
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} else {
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print(" exp=<oob>");
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}
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print(" result=" + call(func, i));
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if (expectThrow) {
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assertThrows(() => func(i), WebAssembly.RuntimeError);
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} else {
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assertEquals(exported(0), func(i));
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}
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}
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}
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}
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(function TestExecute() {
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print("TestExecute");
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let module = caller_module();
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let table = new WebAssembly.Table({element: "anyfunc",
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initial: kTableSize, maximum: kTableSize});
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let instance = new WebAssembly.Instance(module, {imp: {table: table}});
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instance.exports.call1.sig = kSig_i_v;
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instance.exports.call2.sig = kSig_i_i;
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instance.exports.call3.sig = kSig_i_ii;
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let exports = [m_i_v, m_i_i, m_i_ii];
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let calls = [instance.exports.call1,
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instance.exports.call2,
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instance.exports.call3];
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for (f0 of exports) {
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for (f1 of exports) {
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for (f2 of exports) {
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table.set(0, f0);
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table.set(1, f1);
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table.set(2, f2);
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DoCalls(table, calls);
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}
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}
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}
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})();
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