Ryan Macnak
eb3fdd7683
Avoids inadvertently covering up data races. TEST=tsan Change-Id: Icb001391638b9f467145cf889363d47527933cd9 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/446988 Reviewed-by: Alexander Aprelev <aam@google.com> Commit-Queue: Ryan Macnak <rmacnak@google.com>
38 lines
1.5 KiB
C++
38 lines
1.5 KiB
C++
// Copyright (c) 2020, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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#include "vm/globals.h"
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#include "vm/object.h"
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#include "vm/symbols.h"
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namespace dart {
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// Add function to a class and that class to the class dictionary so that
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// frame walking can be used.
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const Function& RegisterFakeFunction(const char* name, const Code& code) {
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Thread* thread = Thread::Current();
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const String& class_name = String::Handle(Symbols::New(thread, "ownerClass"));
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const Script& script = Script::Handle();
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const Library& lib = Library::Handle(Library::CoreLibrary());
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const Class& owner_class = Class::Handle(
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Class::New(lib, class_name, script, TokenPosition::kNoSource));
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const String& function_name = String::ZoneHandle(Symbols::New(thread, name));
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const FunctionType& signature = FunctionType::ZoneHandle(FunctionType::New());
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Function& function = Function::ZoneHandle(Function::New(
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signature, function_name, UntaggedFunction::kRegularFunction, true, false,
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false, false, false, owner_class, TokenPosition::kNoSource));
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const Array& functions = Array::Handle(Array::New(1));
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functions.SetAt(0, function);
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{
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SafepointWriteRwLocker ml(thread, thread->isolate_group()->program_lock());
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owner_class.SetFunctions(functions);
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}
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lib.AddClass(owner_class);
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code.set_owner(function);
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function.AttachCode(code);
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return function;
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}
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} // namespace dart
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