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 #include <vector>
  14
  15 #include "lldb/lldb-private.h"
  16 #include "lldb/Host/Mutex.h"
  17 #include "lldb/Target/Unwind.h"
  18
  19 namespace lldb_private {
  20
  21 class HistoryUnwind : public lldb_private::Unwind
  22 {
  23 public:
  24     HistoryUnwind (Thread &thread, std::vector<lldb::addr_t> pcs, uint32_t stop_id, bool stop_id_is_valid);
  25
  26     virtual ~HistoryUnwind ();
  27
  28 protected:
  29     void
  30     DoClear();
  31
  32     lldb::RegisterContextSP
  33     DoCreateRegisterContextForFrame (StackFrame *frame);
  34
  35     bool
  36     DoGetFrameInfoAtIndex (uint32_t frame_idx,
  37                            lldb::addr_t& cfa,
  38                            lldb::addr_t& pc);
  39     uint32_t
  40     DoGetFrameCount ();
  41
  42 private:
  43
  44     std::vector<lldb::addr_t>   m_pcs;
  45     uint32_t                    m_stop_id;
  46     bool                        m_stop_id_is_valid;
  47 };
  48
  49 } // namespace lldb_private
  50
  51 #endif  // liblldb_HistoryUnwind_h_