cfbf9e0d14
PR-URL: https://github.com/nodejs/node/pull/52465 Reviewed-By: Matteo Collina <matteo.collina@gmail.com> Reviewed-By: Rafael Gonzaga <rafael.nunu@hotmail.com> Reviewed-By: Michael Dawson <midawson@redhat.com>
97 lines
2.9 KiB
JavaScript
97 lines
2.9 KiB
JavaScript
// Copyright 2024 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: --wasm-staging --no-liftoff --future
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d8.file.execute('test/mjsunit/wasm/wasm-module-builder.js');
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let generateUselessCode = (n) => new Array(n).fill([kExprMemoryGrow, 0]).flat();
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const builder = new WasmModuleBuilder();
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builder.startRecGroup();
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builder.addArray(kWasmI8, true, kNoSuperType, true);
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builder.endRecGroup();
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builder.startRecGroup();
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builder.addArray(kWasmI16, true, kNoSuperType, true);
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builder.endRecGroup();
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builder.addStruct([], kNoSuperType, false);
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let mainSig = builder.addType(
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makeSig([kWasmI32, kWasmI32, kWasmI32], [kWasmI32]));
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let decodeSig = builder.addType(makeSig(
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[wasmRefNullType(0), kWasmI32, kWasmI32], [wasmRefType(kWasmExternRef)]));
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let decode = builder.addImport(
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'wasm:text-decoder', 'decodeStringFromUTF8Array', decodeSig);
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builder.addMemory(16, 32);
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builder.addPassiveDataSegment([]);
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builder.addTable(kWasmFuncRef, 1, 1, undefined)
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builder.addFunction('main', mainSig)
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.addLocals(kWasmF64, 2).addLocals(kWasmF32, 1)
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.addLocals(kWasmF64, 2).addLocals(kWasmI32, 1)
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.addBody([
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kExprI32Const, 0x06,
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kExprLocalSet, 0x08,
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kExprLoop, 0x40,
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kExprI32Const, 0x07,
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kExprLocalSet, 0x02,
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kExprLoop, 0x40,
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kExprLocalGet, 0x02,
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kExprI32Const, 0x01,
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kExprI32Sub,
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kExprLocalTee, 0x02,
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kExprIf, 0x40,
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kExprI32Const, 0x00,
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kExprI32Const, 0x01,
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kGCPrefix, kExprArrayNew, 0x01,
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kGCPrefix, kExprRefTestNull, 0x02,
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kExprI32Const, 0x00,
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kSimdPrefix, kExprI8x16Splat,
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kExprI32Const, 0xf1, 0x9f, 0x7e,
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kExprLocalTee, 0x01,
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kExprF64SConvertI32,
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kExprI32Const, 1,
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kExprI32Const, 0x91, 0x03,
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kExprI32Const, 0x00,
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kGCPrefix, kExprArrayNew, 0x00,
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kExprDrop,
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kExprI32Const, 0x84, 0xfc, 0x00,
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kExprLocalGet, 0x08,
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kExprI32Eqz,
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kExprBrIf, 0x02,
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kExprBr, 0x01,
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kExprEnd,
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kExprEnd,
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kExprLocalGet, 0x08,
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kExprI32Const, 0x01,
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kExprI32Sub,
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kExprLocalTee, 0x08,
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kExprIf, 0x40,
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kExprBr, 0x01,
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kExprEnd,
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kExprEnd,
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kExprLoop, 0x7f,
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kExprRefNull, 0x00,
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kGCPrefix, kExprRefCastNull, 0x00,
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kExprI32Const, 0x01,
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// We need to make sure that the loop is large to prevent loop unrolling.
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...generateUselessCode(20),
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kExprI32Const, 0xbc, 0xe9, 0xe9, 0x01,
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kExprCallFunction, decode, // call function #16: r_nii
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kExprDrop,
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kExprI32Const, 0x01,
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kExprI32Const, 0x3c,
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kExprI32Const, 0x01,
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kExprI32RemU,
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kGCPrefix, kExprArrayNew, 0x01,
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kExprI32Const, 0x01,
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kExprBrIf, 0x00,
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kExprI32Const, 0xe2, 0xec, 0x8c, 0xb2, 0x02,
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kExprReturn,
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kExprEnd,
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kExprDrop,
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kExprI32Const, 1,
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]).exportFunc();
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const instance = builder.instantiate({}, {builtins: ['text-decoder']});
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assertTraps(kTrapNullDereference, () => instance.exports.main(1, 2, 3));
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