1 // Copyright 2019 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #ifndef BASE_PROFILER_NATIVE_UNWINDER_WIN_H_ 6 #define BASE_PROFILER_NATIVE_UNWINDER_WIN_H_ 7 8 #include "base/macros.h" 9 #include "base/profiler/unwinder.h" 10 11 namespace base { 12 13 // Native unwinder implementation for Windows, using RtlVirtualUnwind. 14 class NativeUnwinderWin : public Unwinder { 15 public: 16 NativeUnwinderWin() = default; 17 18 NativeUnwinderWin(const NativeUnwinderWin&) = delete; 19 NativeUnwinderWin& operator=(const NativeUnwinderWin&) = delete; 20 21 // Unwinder: 22 bool CanUnwindFrom(const Frame& current_frame) const override; 23 UnwindResult TryUnwind(RegisterContext* thread_context, 24 uintptr_t stack_top, 25 ModuleCache* module_cache, 26 std::vector<Frame>* stack) const override; 27 }; 28 29 } // namespace base 30 31 #endif // BASE_PROFILER_NATIVE_UNWINDER_WIN_H_ 32