| //===-- HistoryUnwind.h -----------------------------------------*- C++ -*-===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #ifndef LLDB_SOURCE_PLUGINS_PROCESS_UTILITY_HISTORYUNWIND_H |
| #define LLDB_SOURCE_PLUGINS_PROCESS_UTILITY_HISTORYUNWIND_H |
| |
| #include <vector> |
| |
| #include "lldb/Target/Unwind.h" |
| #include "lldb/lldb-private.h" |
| |
| namespace lldb_private { |
| |
| class HistoryUnwind : public lldb_private::Unwind { |
| public: |
| HistoryUnwind(Thread &thread, std::vector<lldb::addr_t> pcs, |
| bool pcs_are_call_addresses = false); |
| |
| ~HistoryUnwind() override; |
| |
| protected: |
| void DoClear() override; |
| |
| lldb::RegisterContextSP |
| DoCreateRegisterContextForFrame(StackFrame *frame) override; |
| |
| bool DoGetFrameInfoAtIndex(uint32_t frame_idx, lldb::addr_t &cfa, |
| lldb::addr_t &pc, |
| bool &behaves_like_zeroth_frame) override; |
| uint32_t DoGetFrameCount() override; |
| |
| private: |
| std::vector<lldb::addr_t> m_pcs; |
| /// This boolean indicates that the PCs in the non-0 frames are call |
| /// addresses and not return addresses. |
| bool m_pcs_are_call_addresses; |
| }; |
| |
| } // namespace lldb_private |
| |
| #endif // LLDB_SOURCE_PLUGINS_PROCESS_UTILITY_HISTORYUNWIND_H |