contrib/llvm/tools/lldb/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/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_