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09a8440b45
PR-URL: https://github.com/nodejs/node/pull/51362 Reviewed-By: Matteo Collina <matteo.collina@gmail.com> Reviewed-By: Antoine du Hamel <duhamelantoine1995@gmail.com> Reviewed-By: Rafael Gonzaga <rafael.nunu@hotmail.com>
45 lines
1.6 KiB
JavaScript
45 lines
1.6 KiB
JavaScript
// Copyright 2023 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-to-js-generic-wrapper --expose-gc --allow-natives-syntax
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// Flags: --experimental-wasm-stack-switching
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// Test the stack-switching export wrapper in combination with the generic
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// import wrapper, in particular to test that the generic wrapper switches to
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// the central stack.
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d8.file.execute("test/mjsunit/wasm/stack-switching-export.js");
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// Throw an exception from JS, catch it in wasm and then overflow the stack.
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// This tests the implicit stack switch when the exception leaves JS (central
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// stack) and re-enters wasm (secondary stack). If the stack limit is not
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// updated during unwinding, the stack overflow is likely to crash.
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(function testGenericWrapperException() {
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print(arguments.callee.name);
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let builder = new WasmModuleBuilder();
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let sig_index = builder.addType(kSig_v_r);
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let func_index = builder.addImport("mod", "func", kSig_v_v);
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builder.addFunction("main", sig_index)
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.addBody([
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kExprTry, kWasmVoid,
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kExprCallFunction, func_index,
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kExprCatchAll,
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kExprEnd,
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kExprCallFunction, 2
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])
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.exportFunc();
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builder.addFunction("stackOverflow", kSig_v_v)
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.addBody([
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kExprCallFunction, 2
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]);
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function import_func() {
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%CheckIsOnCentralStack();
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throw new Error();
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}
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let instance = builder.instantiate({ mod: { func: import_func } });
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let main = ToPromising(instance.exports.main);
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assertThrowsAsync(main(), RangeError, /Maximum call stack size exceeded/);
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})();
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