46 lines
1.4 KiB
JavaScript
46 lines
1.4 KiB
JavaScript
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// 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
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// Tests that we do not define two safepoints at the same offset.
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d8.file.execute('test/mjsunit/wasm/wasm-module-builder.js');
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const builder = new WasmModuleBuilder();
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builder.startRecGroup();
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builder.addStruct([]);
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builder.endRecGroup();
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builder.startRecGroup();
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builder.addArray(kWasmI32, true);
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builder.endRecGroup();
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builder.startRecGroup();
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builder.addType(makeSig([kWasmI32, kWasmI32, kWasmI32], [kWasmI32]));
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builder.endRecGroup();
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builder.addType(makeSig([], []));
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builder.addMemory(16, 32);
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builder.addTable(kWasmFuncRef, 1, 1, undefined)
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builder.addActiveElementSegment(0, wasmI32Const(0), [[kExprRefFunc, 0, ]], kWasmFuncRef);
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builder.addTag(makeSig([], []));
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// Generate function 1 (out of 1).
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builder.addFunction(undefined, 2 /* sig */)
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.addLocals(wasmRefType(kWasmFuncRef), 1)
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.addBodyWithEnd([
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// signature: i_iii
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// body:
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kExprRefFunc, 0x00, // ref.func
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kGCPrefix, kExprRefCastNull, 0x02, // ref.cast null
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kExprRefAsNonNull, // ref.as_non_null
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kExprLocalSet, 0x03, // local.set
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kExprI32Const, 0xfa, 0xab, 0xc5, 0xeb, 0x7a, // i32.const
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kExprEnd, // end @18
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]);
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builder.addExport('main', 0);
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const instance = builder.instantiate();
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try {
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print(instance.exports.main(1, 2, 3));
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} catch (e) {
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print('caught exception', e);
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}
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