source/Plugins/Process/Utility/HistoryUnwind.h

   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_