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// Copyright 2023 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "src/base/platform/platform.h"
namespace v8 {
namespace base {
namespace {
// A pointer to current thread's stack beginning.
thread_local void* thread_stack_start = nullptr;
} // namespace
// static
Stack::StackSlot Stack::GetStackStart() {
DCHECK_IMPLIES(thread_stack_start,
thread_stack_start == ObtainCurrentThreadStackStart());
if (!thread_stack_start) {
thread_stack_start = ObtainCurrentThreadStackStart();
}
return thread_stack_start;
}
} // namespace base
} // namespace v8
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