1 //===-- HistoryUnwind.h -----------------------------------------*- C++ -*-===//
2 //
3 //                     The LLVM Compiler Infrastructure
4 //
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9 
10 #ifndef liblldb_HistoryUnwind_h_
11 #define liblldb_HistoryUnwind_h_
12 
13 // C Includes
14 // C++ Includes
15 #include <vector>
16 
17 // Other libraries and framework includes
18 // Project includes
19 #include "lldb/Target/Unwind.h"
20 #include "lldb/lldb-private.h"
21 
22 namespace lldb_private {
23 
24 class HistoryUnwind : public lldb_private::Unwind {
25 public:
26   HistoryUnwind(Thread &thread, std::vector<lldb::addr_t> pcs,
27                 bool stop_id_is_valid);
28 
29   ~HistoryUnwind() override;
30 
31 protected:
32   void DoClear() override;
33 
34   lldb::RegisterContextSP
35   DoCreateRegisterContextForFrame(StackFrame *frame) override;
36 
37   bool DoGetFrameInfoAtIndex(uint32_t frame_idx, lldb::addr_t &cfa,
38                              lldb::addr_t &pc) override;
39   uint32_t DoGetFrameCount() override;
40 
41 private:
42   std::vector<lldb::addr_t> m_pcs;
43   bool m_stop_id_is_valid;
44 };
45 
46 } // namespace lldb_private
47 
48 #endif // liblldb_HistoryUnwind_h_
49