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/lldb-private.h"
20 #include "lldb/Target/Unwind.h"
21 
22 namespace lldb_private {
23 
24 class HistoryUnwind : public lldb_private::Unwind
25 {
26 public:
27     HistoryUnwind (Thread &thread, std::vector<lldb::addr_t> pcs, bool stop_id_is_valid);
28 
29     ~HistoryUnwind() override;
30 
31 protected:
32     void
33     DoClear() override;
34 
35     lldb::RegisterContextSP
36     DoCreateRegisterContextForFrame(StackFrame *frame) override;
37 
38     bool
39     DoGetFrameInfoAtIndex(uint32_t frame_idx,
40                           lldb::addr_t& cfa,
41                           lldb::addr_t& pc) override;
42     uint32_t
43     DoGetFrameCount() override;
44 
45 private:
46 
47     std::vector<lldb::addr_t>   m_pcs;
48     bool                        m_stop_id_is_valid;
49 };
50 
51 } // namespace lldb_private
52 
53 #endif // liblldb_HistoryUnwind_h_
54