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- // Copyright 2019 The Chromium Authors. All rights reserved.
- // Use of this source code is governed by a BSD-style license that can be
- // found in the LICENSE file.
- #ifndef BASE_PROFILER_THREAD_DELEGATE_POSIX_H_
- #define BASE_PROFILER_THREAD_DELEGATE_POSIX_H_
- #include "base/base_export.h"
- #include "base/profiler/sampling_profiler_thread_token.h"
- #include "base/profiler/thread_delegate.h"
- #include "base/threading/platform_thread.h"
- namespace base {
- // Platform- and thread-specific implementation in support of stack sampling on
- // POSIX.
- class BASE_EXPORT ThreadDelegatePosix : public ThreadDelegate {
- public:
- static std::unique_ptr<ThreadDelegatePosix> Create(
- SamplingProfilerThreadToken thread_token);
- ~ThreadDelegatePosix() override;
- ThreadDelegatePosix(const ThreadDelegatePosix&) = delete;
- ThreadDelegatePosix& operator=(const ThreadDelegatePosix&) = delete;
- // ThreadDelegate
- PlatformThreadId GetThreadId() const override;
- uintptr_t GetStackBaseAddress() const override;
- std::vector<uintptr_t*> GetRegistersToRewrite(
- RegisterContext* thread_context) override;
- private:
- ThreadDelegatePosix(PlatformThreadId id, uintptr_t base_address);
- const PlatformThreadId thread_id_;
- const uintptr_t thread_stack_base_address_;
- };
- } // namespace base
- #endif // BASE_PROFILER_THREAD_DELEGATE_POSIX_H_
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